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#include <stdio.h>
#include <errno.h>
#include "bio_local.h"
#include "internal/cryptlib.h"
#include "internal/safe_math.h"
#if !defined(OPENSSL_NO_DGRAM) && !defined(OPENSSL_NO_SOCK)
OSSL_SAFE_MATH_UNSIGNED(size_t, size_t)
struct ring_buf {
unsigned char *start;
size_t len;
size_t count;
size_t idx[2];
};
static int ring_buf_init(struct ring_buf *r, size_t nbytes)
{
r->start = OPENSSL_malloc(nbytes);
if (r->start == NULL)
return 0;
r->len = nbytes;
r->idx[0] = r->idx[1] = r->count = 0;
return 1;
}
static void ring_buf_destroy(struct ring_buf *r)
{
OPENSSL_free(r->start);
r->start = NULL;
r->len = 0;
r->count = 0;
}
static void ring_buf_head_tail(struct ring_buf *r, int idx, uint8_t **buf, size_t *len)
{
size_t max_len = r->len - r->idx[idx];
if (idx == 0 && max_len > r->len - r->count)
max_len = r->len - r->count;
if (idx == 1 && max_len > r->count)
max_len = r->count;
*buf = (uint8_t *)r->start + r->idx[idx];
*len = max_len;
}
#define ring_buf_head(r, buf, len) ring_buf_head_tail((r), 0, (buf), (len))
#define ring_buf_tail(r, buf, len) ring_buf_head_tail((r), 1, (buf), (len))
static void ring_buf_push_pop(struct ring_buf *r, int idx, size_t num_bytes)
{
size_t new_idx;
if (!ossl_assert(num_bytes <= r->len - r->idx[idx]))
return;
if (!ossl_assert(idx != 0 ? num_bytes <= r->count
: num_bytes + r->count <= r->len))
return;
new_idx = r->idx[idx] + num_bytes;
if (new_idx == r->len)
new_idx = 0;
r->idx[idx] = new_idx;
if (idx != 0)
r->count -= num_bytes;
else
r->count += num_bytes;
}
#define ring_buf_push(r, num_bytes) ring_buf_push_pop((r), 0, (num_bytes))
#define ring_buf_pop(r, num_bytes) ring_buf_push_pop((r), 1, (num_bytes))
static void ring_buf_clear(struct ring_buf *r)
{
r->idx[0] = r->idx[1] = r->count = 0;
}
static int ring_buf_resize(struct ring_buf *r, size_t nbytes)
{
unsigned char *new_start;
if (r->start == NULL)
return ring_buf_init(r, nbytes);
if (nbytes == r->len)
return 1;
if (r->count > 0 && nbytes < r->len)
return 0;
new_start = OPENSSL_realloc(r->start, nbytes);
if (new_start == NULL)
return 0;
if (r->count > 0) {
if (r->idx[0] <= r->idx[1]) {
size_t offset = nbytes - r->len;
memmove(new_start + r->idx[1] + offset, new_start + r->idx[1],
r->len - r->idx[1]);
r->idx[1] += offset;
}
} else {
r->idx[0] = r->idx[1] = 0;
}
r->start = new_start;
r->len = nbytes;
return 1;
}
struct bio_dgram_pair_st;
static int dgram_pair_write(BIO *bio, const char *buf, int sz_);
static int dgram_pair_read(BIO *bio, char *buf, int sz_);
static int dgram_mem_read(BIO *bio, char *buf, int sz_);
static long dgram_pair_ctrl(BIO *bio, int cmd, long num, void *ptr);
static long dgram_mem_ctrl(BIO *bio, int cmd, long num, void *ptr);
static int dgram_pair_init(BIO *bio);
static int dgram_mem_init(BIO *bio);
static int dgram_pair_free(BIO *bio);
static int dgram_pair_sendmmsg(BIO *b, BIO_MSG *msg, size_t stride,
size_t num_msg, uint64_t flags,
size_t *num_processed);
static int dgram_pair_recvmmsg(BIO *b, BIO_MSG *msg, size_t stride,
size_t num_msg, uint64_t flags,
size_t *num_processed);
static int dgram_pair_ctrl_destroy_bio_pair(BIO *bio1);
static size_t dgram_pair_read_inner(struct bio_dgram_pair_st *b, uint8_t *buf,
size_t sz);
#define BIO_MSG_N(array, n) (*(BIO_MSG *)((char *)(array) + (n)*stride))
static const BIO_METHOD dgram_pair_method = {
BIO_TYPE_DGRAM_PAIR,
"BIO dgram pair",
bwrite_conv,
dgram_pair_write,
bread_conv,
dgram_pair_read,
NULL,
NULL,
dgram_pair_ctrl,
dgram_pair_init,
dgram_pair_free,
NULL,
dgram_pair_sendmmsg,
dgram_pair_recvmmsg,
};
static const BIO_METHOD dgram_mem_method = {
BIO_TYPE_DGRAM_MEM,
"BIO dgram mem",
bwrite_conv,
dgram_pair_write,
bread_conv,
dgram_mem_read,
NULL,
NULL,
dgram_mem_ctrl,
dgram_mem_init,
dgram_pair_free,
NULL,
dgram_pair_sendmmsg,
dgram_pair_recvmmsg,
};
const BIO_METHOD *BIO_s_dgram_pair(void)
{
return &dgram_pair_method;
}
const BIO_METHOD *BIO_s_dgram_mem(void)
{
return &dgram_mem_method;
}
struct dgram_hdr {
size_t len;
BIO_ADDR src_addr, dst_addr;
};
struct bio_dgram_pair_st {
BIO *peer;
struct ring_buf rbuf;
size_t req_buf_len;
size_t mtu;
uint32_t cap;
CRYPTO_RWLOCK *lock;
unsigned int no_trunc : 1;
unsigned int local_addr_enable : 1;
unsigned int role : 1;
unsigned int grows_on_write : 1;
};
#define MIN_BUF_LEN (1024)
#define is_dgram_pair(b) (b->peer != NULL)
static int dgram_pair_init(BIO *bio)
{
struct bio_dgram_pair_st *b = OPENSSL_zalloc(sizeof(*b));
if (b == NULL)
return 0;
b->mtu = 1472;
b->req_buf_len = 9 * (sizeof(struct dgram_hdr) + b->mtu);
b->lock = CRYPTO_THREAD_lock_new();
if (b->lock == NULL) {
OPENSSL_free(b);
return 0;
}
bio->ptr = b;
return 1;
}
static int dgram_mem_init(BIO *bio)
{
struct bio_dgram_pair_st *b;
if (!dgram_pair_init(bio))
return 0;
b = bio->ptr;
if (ring_buf_init(&b->rbuf, b->req_buf_len) == 0) {
ERR_raise(ERR_LIB_BIO, ERR_R_BIO_LIB);
return 0;
}
b->grows_on_write = 1;
bio->init = 1;
return 1;
}
static int dgram_pair_free(BIO *bio)
{
struct bio_dgram_pair_st *b;
if (bio == NULL)
return 0;
b = bio->ptr;
if (!ossl_assert(b != NULL))
return 0;
dgram_pair_ctrl_destroy_bio_pair(bio);
CRYPTO_THREAD_lock_free(b->lock);
OPENSSL_free(b);
return 1;
}
static int dgram_pair_ctrl_make_bio_pair(BIO *bio1, BIO *bio2)
{
struct bio_dgram_pair_st *b1, *b2;
if (bio1 == NULL || bio2 == NULL) {
ERR_raise(ERR_LIB_BIO, BIO_R_INVALID_ARGUMENT);
return 0;
}
if (bio1->method != &dgram_pair_method || bio2->method != &dgram_pair_method) {
ERR_raise_data(ERR_LIB_BIO, BIO_R_INVALID_ARGUMENT,
"both BIOs must be BIO_dgram_pair");
return 0;
}
b1 = bio1->ptr;
b2 = bio2->ptr;
if (!ossl_assert(b1 != NULL && b2 != NULL)) {
ERR_raise(ERR_LIB_BIO, BIO_R_UNINITIALIZED);
return 0;
}
if (b1->peer != NULL || b2->peer != NULL) {
ERR_raise_data(ERR_LIB_BIO, BIO_R_IN_USE,
"cannot associate a BIO_dgram_pair which is already in use");
return 0;
}
if (!ossl_assert(b1->req_buf_len >= MIN_BUF_LEN
&& b2->req_buf_len >= MIN_BUF_LEN)) {
ERR_raise(ERR_LIB_BIO, BIO_R_UNINITIALIZED);
return 0;
}
if (b1->rbuf.len != b1->req_buf_len)
if (ring_buf_init(&b1->rbuf, b1->req_buf_len) == 0) {
ERR_raise(ERR_LIB_BIO, ERR_R_BIO_LIB);
return 0;
}
if (b2->rbuf.len != b2->req_buf_len)
if (ring_buf_init(&b2->rbuf, b2->req_buf_len) == 0) {
ERR_raise(ERR_LIB_BIO, ERR_R_BIO_LIB);
ring_buf_destroy(&b1->rbuf);
return 0;
}
b1->peer = bio2;
b2->peer = bio1;
b1->role = 0;
b2->role = 1;
bio1->init = 1;
bio2->init = 1;
return 1;
}
static int dgram_pair_ctrl_destroy_bio_pair(BIO *bio1)
{
BIO *bio2;
struct bio_dgram_pair_st *b1 = bio1->ptr, *b2;
ring_buf_destroy(&b1->rbuf);
bio1->init = 0;
if (b1->peer == NULL)
return 1;
bio2 = b1->peer;
b2 = bio2->ptr;
if (!ossl_assert(b2->peer == bio1))
return 0;
ring_buf_destroy(&b2->rbuf);
bio2->init = 0;
b1->peer = NULL;
b2->peer = NULL;
return 1;
}
static int dgram_pair_ctrl_eof(BIO *bio)
{
struct bio_dgram_pair_st *b = bio->ptr, *peerb;
if (!ossl_assert(b != NULL))
return -1;
if (!bio->init)
return 1;
if (!is_dgram_pair(b))
return 0;
peerb = b->peer->ptr;
if (!ossl_assert(peerb != NULL))
return -1;
return 0;
}
static int dgram_pair_ctrl_set_write_buf_size(BIO *bio, size_t len)
{
struct bio_dgram_pair_st *b = bio->ptr;
if (b->peer != NULL) {
ERR_raise(ERR_LIB_BIO, BIO_R_IN_USE);
return 0;
}
if (len < MIN_BUF_LEN)
len = MIN_BUF_LEN;
if (b->rbuf.start != NULL) {
if (!ring_buf_resize(&b->rbuf, len))
return 0;
}
b->req_buf_len = len;
b->grows_on_write = 0;
return 1;
}
static int dgram_pair_ctrl_reset(BIO *bio)
{
struct bio_dgram_pair_st *b = bio->ptr;
ring_buf_clear(&b->rbuf);
return 1;
}
static size_t dgram_pair_ctrl_pending(BIO *bio)
{
size_t saved_idx, saved_count;
struct bio_dgram_pair_st *b = bio->ptr, *readb;
struct dgram_hdr hdr;
size_t l;
if (!bio->init)
return 0;
if (is_dgram_pair(b))
readb = b->peer->ptr;
else
readb = b;
if (CRYPTO_THREAD_write_lock(readb->lock) == 0)
return 0;
saved_idx = readb->rbuf.idx[1];
saved_count = readb->rbuf.count;
l = dgram_pair_read_inner(readb, (uint8_t *)&hdr, sizeof(hdr));
readb->rbuf.idx[1] = saved_idx;
readb->rbuf.count = saved_count;
CRYPTO_THREAD_unlock(readb->lock);
if (!ossl_assert(l == 0 || l == sizeof(hdr)))
return 0;
return l > 0 ? hdr.len : 0;
}
static size_t dgram_pair_ctrl_get_write_guarantee(BIO *bio)
{
size_t l;
struct bio_dgram_pair_st *b = bio->ptr;
if (CRYPTO_THREAD_read_lock(b->lock) == 0)
return 0;
l = b->rbuf.len - b->rbuf.count;
if (l >= sizeof(struct dgram_hdr))
l -= sizeof(struct dgram_hdr);
if (l < b->mtu)
l = 0;
CRYPTO_THREAD_unlock(b->lock);
return l;
}
static int dgram_pair_ctrl_get_local_addr_cap(BIO *bio)
{
struct bio_dgram_pair_st *b = bio->ptr, *readb;
if (!bio->init)
return 0;
if (is_dgram_pair(b))
readb = b->peer->ptr;
else
readb = b;
return (~readb->cap & (BIO_DGRAM_CAP_HANDLES_SRC_ADDR
| BIO_DGRAM_CAP_PROVIDES_DST_ADDR)) == 0;
}
static int dgram_pair_ctrl_get_effective_caps(BIO *bio)
{
struct bio_dgram_pair_st *b = bio->ptr, *peerb;
if (b->peer == NULL)
return 0;
peerb = b->peer->ptr;
return peerb->cap;
}
static uint32_t dgram_pair_ctrl_get_caps(BIO *bio)
{
struct bio_dgram_pair_st *b = bio->ptr;
return b->cap;
}
static int dgram_pair_ctrl_set_caps(BIO *bio, uint32_t caps)
{
struct bio_dgram_pair_st *b = bio->ptr;
b->cap = caps;
return 1;
}
static int dgram_pair_ctrl_get_local_addr_enable(BIO *bio)
{
struct bio_dgram_pair_st *b = bio->ptr;
return b->local_addr_enable;
}
static int dgram_pair_ctrl_set_local_addr_enable(BIO *bio, int enable)
{
struct bio_dgram_pair_st *b = bio->ptr;
if (dgram_pair_ctrl_get_local_addr_cap(bio) == 0)
return 0;
b->local_addr_enable = (enable != 0 ? 1 : 0);
return 1;
}
static int dgram_pair_ctrl_get_mtu(BIO *bio)
{
struct bio_dgram_pair_st *b = bio->ptr;
return b->mtu;
}
static int dgram_pair_ctrl_set_mtu(BIO *bio, size_t mtu)
{
struct bio_dgram_pair_st *b = bio->ptr, *peerb;
b->mtu = mtu;
if (b->peer != NULL) {
peerb = b->peer->ptr;
peerb->mtu = mtu;
}
return 1;
}
static long dgram_mem_ctrl(BIO *bio, int cmd, long num, void *ptr)
{
long ret = 1;
struct bio_dgram_pair_st *b = bio->ptr;
if (!ossl_assert(b != NULL))
return 0;
switch (cmd) {
case BIO_C_SET_WRITE_BUF_SIZE:
ret = (long)dgram_pair_ctrl_set_write_buf_size(bio, (size_t)num);
break;
case BIO_C_GET_WRITE_BUF_SIZE:
ret = (long)b->req_buf_len;
break;
case BIO_CTRL_RESET:
dgram_pair_ctrl_reset(bio);
break;
case BIO_C_GET_WRITE_GUARANTEE:
ret = (long)dgram_pair_ctrl_get_write_guarantee(bio);
break;
case BIO_CTRL_PENDING:
ret = (long)dgram_pair_ctrl_pending(bio);
break;
case BIO_CTRL_FLUSH:
break;
case BIO_CTRL_DGRAM_GET_NO_TRUNC:
ret = (long)b->no_trunc;
break;
case BIO_CTRL_DGRAM_SET_NO_TRUNC:
b->no_trunc = (num > 0);
break;
case BIO_CTRL_DGRAM_GET_LOCAL_ADDR_ENABLE:
*(int *)ptr = (int)dgram_pair_ctrl_get_local_addr_enable(bio);
break;
case BIO_CTRL_DGRAM_SET_LOCAL_ADDR_ENABLE:
ret = (long)dgram_pair_ctrl_set_local_addr_enable(bio, num);
break;
case BIO_CTRL_DGRAM_GET_LOCAL_ADDR_CAP:
ret = (long)dgram_pair_ctrl_get_local_addr_cap(bio);
break;
case BIO_CTRL_DGRAM_GET_EFFECTIVE_CAPS:
case BIO_CTRL_DGRAM_GET_CAPS:
ret = (long)dgram_pair_ctrl_get_caps(bio);
break;
case BIO_CTRL_DGRAM_SET_CAPS:
ret = (long)dgram_pair_ctrl_set_caps(bio, (uint32_t)num);
break;
case BIO_CTRL_DGRAM_GET_MTU:
ret = (long)dgram_pair_ctrl_get_mtu(bio);
break;
case BIO_CTRL_DGRAM_SET_MTU:
ret = (long)dgram_pair_ctrl_set_mtu(bio, (uint32_t)num);
break;
case BIO_CTRL_EOF:
ret = (long)dgram_pair_ctrl_eof(bio);
break;
default:
ret = 0;
break;
}
return ret;
}
static long dgram_pair_ctrl(BIO *bio, int cmd, long num, void *ptr)
{
long ret = 1;
switch (cmd) {
case BIO_C_MAKE_BIO_PAIR:
ret = (long)dgram_pair_ctrl_make_bio_pair(bio, (BIO *)ptr);
break;
case BIO_C_DESTROY_BIO_PAIR:
dgram_pair_ctrl_destroy_bio_pair(bio);
break;
case BIO_CTRL_DGRAM_GET_EFFECTIVE_CAPS:
ret = (long)dgram_pair_ctrl_get_effective_caps(bio);
break;
default:
ret = dgram_mem_ctrl(bio, cmd, num, ptr);
break;
}
return ret;
}
int BIO_new_bio_dgram_pair(BIO **pbio1, size_t writebuf1,
BIO **pbio2, size_t writebuf2)
{
int ret = 0;
long r;
BIO *bio1 = NULL, *bio2 = NULL;
bio1 = BIO_new(BIO_s_dgram_pair());
if (bio1 == NULL)
goto err;
bio2 = BIO_new(BIO_s_dgram_pair());
if (bio2 == NULL)
goto err;
if (writebuf1 > 0) {
r = BIO_set_write_buf_size(bio1, writebuf1);
if (r == 0)
goto err;
}
if (writebuf2 > 0) {
r = BIO_set_write_buf_size(bio2, writebuf2);
if (r == 0)
goto err;
}
r = BIO_make_bio_pair(bio1, bio2);
if (r == 0)
goto err;
ret = 1;
err:
if (ret == 0) {
BIO_free(bio1);
bio1 = NULL;
BIO_free(bio2);
bio2 = NULL;
}
*pbio1 = bio1;
*pbio2 = bio2;
return ret;
}
static size_t dgram_pair_read_inner(struct bio_dgram_pair_st *b, uint8_t *buf, size_t sz)
{
size_t total_read = 0;
while (sz > 0) {
uint8_t *src_buf = NULL;
size_t src_len = 0;
ring_buf_tail(&b->rbuf, &src_buf, &src_len);
if (src_len == 0)
break;
if (src_len > sz)
src_len = sz;
if (buf != NULL)
memcpy(buf, src_buf, src_len);
ring_buf_pop(&b->rbuf, src_len);
if (buf != NULL)
buf += src_len;
total_read += src_len;
sz -= src_len;
}
return total_read;
}
static ossl_ssize_t dgram_pair_read_actual(BIO *bio, char *buf, size_t sz,
BIO_ADDR *local, BIO_ADDR *peer,
int is_multi)
{
size_t l, trunc = 0, saved_idx, saved_count;
struct bio_dgram_pair_st *b = bio->ptr, *readb;
struct dgram_hdr hdr;
if (!is_multi)
BIO_clear_retry_flags(bio);
if (!bio->init)
return -BIO_R_UNINITIALIZED;
if (!ossl_assert(b != NULL))
return -BIO_R_TRANSFER_ERROR;
if (is_dgram_pair(b))
readb = b->peer->ptr;
else
readb = b;
if (!ossl_assert(readb != NULL && readb->rbuf.start != NULL))
return -BIO_R_TRANSFER_ERROR;
if (sz > 0 && buf == NULL)
return -BIO_R_INVALID_ARGUMENT;
if (local != NULL && b->local_addr_enable == 0)
return -BIO_R_LOCAL_ADDR_NOT_AVAILABLE;
saved_idx = readb->rbuf.idx[1];
saved_count = readb->rbuf.count;
l = dgram_pair_read_inner(readb, (uint8_t *)&hdr, sizeof(hdr));
if (l == 0) {
if (!is_multi)
BIO_set_retry_read(bio);
return -BIO_R_NON_FATAL;
}
if (!ossl_assert(l == sizeof(hdr)))
return -BIO_R_BROKEN_PIPE;
if (sz > hdr.len) {
sz = hdr.len;
} else if (sz < hdr.len) {
trunc = hdr.len - sz;
if (b->no_trunc) {
readb->rbuf.idx[1] = saved_idx;
readb->rbuf.count = saved_count;
return -BIO_R_NON_FATAL;
}
}
l = dgram_pair_read_inner(readb, (uint8_t *)buf, sz);
if (!ossl_assert(l == sz))
return -BIO_R_TRANSFER_ERROR;
if (trunc > 0 && !ossl_assert(dgram_pair_read_inner(readb, NULL, trunc) == trunc))
return -BIO_R_TRANSFER_ERROR;
if (local != NULL)
*local = hdr.dst_addr;
if (peer != NULL)
*peer = hdr.src_addr;
return (ossl_ssize_t)l;
}
static int dgram_pair_lock_both_write(struct bio_dgram_pair_st *a,
struct bio_dgram_pair_st *b)
{
struct bio_dgram_pair_st *x, *y;
x = (a->role == 1) ? a : b;
y = (a->role == 1) ? b : a;
if (!ossl_assert(a->role != b->role))
return 0;
if (!ossl_assert(a != b && x != y))
return 0;
if (CRYPTO_THREAD_write_lock(x->lock) == 0)
return 0;
if (CRYPTO_THREAD_write_lock(y->lock) == 0) {
CRYPTO_THREAD_unlock(x->lock);
return 0;
}
return 1;
}
static void dgram_pair_unlock_both(struct bio_dgram_pair_st *a,
struct bio_dgram_pair_st *b)
{
CRYPTO_THREAD_unlock(a->lock);
CRYPTO_THREAD_unlock(b->lock);
}
static int dgram_pair_read(BIO *bio, char *buf, int sz_)
{
int ret;
ossl_ssize_t l;
struct bio_dgram_pair_st *b = bio->ptr, *peerb;
if (sz_ < 0) {
ERR_raise(ERR_LIB_BIO, BIO_R_INVALID_ARGUMENT);
return -1;
}
if (b->peer == NULL) {
ERR_raise(ERR_LIB_BIO, BIO_R_BROKEN_PIPE);
return -1;
}
peerb = b->peer->ptr;
if (dgram_pair_lock_both_write(peerb, b) == 0) {
ERR_raise(ERR_LIB_BIO, ERR_R_UNABLE_TO_GET_WRITE_LOCK);
return -1;
}
l = dgram_pair_read_actual(bio, buf, (size_t)sz_, NULL, NULL, 0);
if (l < 0) {
if (l != -BIO_R_NON_FATAL)
ERR_raise(ERR_LIB_BIO, -l);
ret = -1;
} else {
ret = (int)l;
}
dgram_pair_unlock_both(peerb, b);
return ret;
}
static int dgram_pair_recvmmsg(BIO *bio, BIO_MSG *msg,
size_t stride, size_t num_msg,
uint64_t flags,
size_t *num_processed)
{
int ret;
ossl_ssize_t l;
BIO_MSG *m;
size_t i;
struct bio_dgram_pair_st *b = bio->ptr, *readb;
if (num_msg == 0) {
*num_processed = 0;
return 1;
}
if (!bio->init) {
ERR_raise(ERR_LIB_BIO, BIO_R_BROKEN_PIPE);
*num_processed = 0;
return 0;
}
if (is_dgram_pair(b))
readb = b->peer->ptr;
else
readb = b;
if (CRYPTO_THREAD_write_lock(readb->lock) == 0) {
ERR_raise(ERR_LIB_BIO, ERR_R_UNABLE_TO_GET_WRITE_LOCK);
*num_processed = 0;
return 0;
}
for (i = 0; i < num_msg; ++i) {
m = &BIO_MSG_N(msg, i);
l = dgram_pair_read_actual(bio, m->data, m->data_len,
m->local, m->peer, 1);
if (l < 0) {
*num_processed = i;
if (i > 0) {
ret = 1;
} else {
ERR_raise(ERR_LIB_BIO, -l);
ret = 0;
}
goto out;
}
m->data_len = l;
m->flags = 0;
}
*num_processed = i;
ret = 1;
out:
CRYPTO_THREAD_unlock(readb->lock);
return ret;
}
static int dgram_mem_read(BIO *bio, char *buf, int sz_)
{
int ret;
ossl_ssize_t l;
struct bio_dgram_pair_st *b = bio->ptr;
if (sz_ < 0) {
ERR_raise(ERR_LIB_BIO, BIO_R_INVALID_ARGUMENT);
return -1;
}
if (CRYPTO_THREAD_write_lock(b->lock) == 0) {
ERR_raise(ERR_LIB_BIO, ERR_R_UNABLE_TO_GET_WRITE_LOCK);
return -1;
}
l = dgram_pair_read_actual(bio, buf, (size_t)sz_, NULL, NULL, 0);
if (l < 0) {
if (l != -BIO_R_NON_FATAL)
ERR_raise(ERR_LIB_BIO, -l);
ret = -1;
} else {
ret = (int)l;
}
CRYPTO_THREAD_unlock(b->lock);
return ret;
}
static const size_t max_rbuf_size = SIZE_MAX / 2;
static ossl_inline size_t compute_rbuf_growth(size_t target, size_t current)
{
int err = 0;
while (current < target) {
if (current >= max_rbuf_size)
return 0;
current = safe_muldiv_size_t(current, 8, 5, &err);
if (err)
return 0;
if (current >= max_rbuf_size)
current = max_rbuf_size;
}
return current;
}
static size_t dgram_pair_write_inner(struct bio_dgram_pair_st *b,
const uint8_t *buf, size_t sz)
{
size_t total_written = 0;
while (sz > 0) {
size_t dst_len;
uint8_t *dst_buf;
ring_buf_head(&b->rbuf, &dst_buf, &dst_len);
if (dst_len == 0) {
size_t new_len;
if (!b->grows_on_write)
break;
new_len = compute_rbuf_growth(b->req_buf_len + sz, b->req_buf_len);
if (new_len == 0 || !ring_buf_resize(&b->rbuf, new_len))
break;
b->req_buf_len = new_len;
}
if (dst_len > sz)
dst_len = sz;
memcpy(dst_buf, buf, dst_len);
ring_buf_push(&b->rbuf, dst_len);
buf += dst_len;
sz -= dst_len;
total_written += dst_len;
}
return total_written;
}
static ossl_ssize_t dgram_pair_write_actual(BIO *bio, const char *buf, size_t sz,
const BIO_ADDR *local, const BIO_ADDR *peer,
int is_multi)
{
static const BIO_ADDR zero_addr;
size_t saved_idx, saved_count;
struct bio_dgram_pair_st *b = bio->ptr, *readb;
struct dgram_hdr hdr = {0};
if (!is_multi)
BIO_clear_retry_flags(bio);
if (!bio->init)
return -BIO_R_UNINITIALIZED;
if (!ossl_assert(b != NULL && b->rbuf.start != NULL))
return -BIO_R_TRANSFER_ERROR;
if (sz > 0 && buf == NULL)
return -BIO_R_INVALID_ARGUMENT;
if (local != NULL && b->local_addr_enable == 0)
return -BIO_R_LOCAL_ADDR_NOT_AVAILABLE;
if (is_dgram_pair(b))
readb = b->peer->ptr;
else
readb = b;
if (peer != NULL && (readb->cap & BIO_DGRAM_CAP_HANDLES_DST_ADDR) == 0)
return -BIO_R_PEER_ADDR_NOT_AVAILABLE;
hdr.len = sz;
hdr.dst_addr = (peer != NULL ? *peer : zero_addr);
hdr.src_addr = (local != NULL ? *local : zero_addr);
saved_idx = b->rbuf.idx[0];
saved_count = b->rbuf.count;
if (dgram_pair_write_inner(b, (const uint8_t *)&hdr, sizeof(hdr)) != sizeof(hdr)
|| dgram_pair_write_inner(b, (const uint8_t *)buf, sz) != sz) {
b->rbuf.idx[0] = saved_idx;
b->rbuf.count = saved_count;
if (!is_multi)
BIO_set_retry_write(bio);
return -BIO_R_NON_FATAL;
}
return sz;
}
static int dgram_pair_write(BIO *bio, const char *buf, int sz_)
{
int ret;
ossl_ssize_t l;
struct bio_dgram_pair_st *b = bio->ptr;
if (sz_ < 0) {
ERR_raise(ERR_LIB_BIO, BIO_R_INVALID_ARGUMENT);
return -1;
}
if (CRYPTO_THREAD_write_lock(b->lock) == 0) {
ERR_raise(ERR_LIB_BIO, ERR_R_UNABLE_TO_GET_WRITE_LOCK);
return -1;
}
l = dgram_pair_write_actual(bio, buf, (size_t)sz_, NULL, NULL, 0);
if (l < 0) {
ERR_raise(ERR_LIB_BIO, -l);
ret = -1;
} else {
ret = (int)l;
}
CRYPTO_THREAD_unlock(b->lock);
return ret;
}
static int dgram_pair_sendmmsg(BIO *bio, BIO_MSG *msg,
size_t stride, size_t num_msg,
uint64_t flags, size_t *num_processed)
{
ossl_ssize_t ret, l;
BIO_MSG *m;
size_t i;
struct bio_dgram_pair_st *b = bio->ptr;
if (num_msg == 0) {
*num_processed = 0;
return 1;
}
if (CRYPTO_THREAD_write_lock(b->lock) == 0) {
ERR_raise(ERR_LIB_BIO, ERR_R_UNABLE_TO_GET_WRITE_LOCK);
*num_processed = 0;
return 0;
}
for (i = 0; i < num_msg; ++i) {
m = &BIO_MSG_N(msg, i);
l = dgram_pair_write_actual(bio, m->data, m->data_len,
m->local, m->peer, 1);
if (l < 0) {
*num_processed = i;
if (i > 0) {
ret = 1;
} else {
ERR_raise(ERR_LIB_BIO, -l);
ret = 0;
}
goto out;
}
m->flags = 0;
}
*num_processed = i;
ret = 1;
out:
CRYPTO_THREAD_unlock(b->lock);
return ret;
}
#endif
| bio | openssl/crypto/bio/bss_dgram_pair.c | openssl |
#define OPENSSL_SUPPRESS_DEPRECATED
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "bio_local.h"
#include "internal/cryptlib.h"
#include <openssl/err.h>
long BIO_debug_callback_ex(BIO *bio, int cmd, const char *argp, size_t len,
int argi, long argl, int ret, size_t *processed)
{
BIO *b;
char buf[256];
char *p;
int left;
size_t l = 0;
BIO_MMSG_CB_ARGS *args;
long ret_ = ret;
if (processed != NULL)
l = *processed;
left = BIO_snprintf(buf, sizeof(buf), "BIO[%p]: ", (void *)bio);
if (left < 0)
left = 0;
p = buf + left;
left = sizeof(buf) - left;
switch (cmd) {
case BIO_CB_FREE:
BIO_snprintf(p, left, "Free - %s\n", bio->method->name);
break;
case BIO_CB_READ:
if (bio->method->type & BIO_TYPE_DESCRIPTOR)
BIO_snprintf(p, left, "read(%d,%zu) - %s fd=%d\n",
bio->num, len,
bio->method->name, bio->num);
else
BIO_snprintf(p, left, "read(%d,%zu) - %s\n",
bio->num, len, bio->method->name);
break;
case BIO_CB_WRITE:
if (bio->method->type & BIO_TYPE_DESCRIPTOR)
BIO_snprintf(p, left, "write(%d,%zu) - %s fd=%d\n",
bio->num, len,
bio->method->name, bio->num);
else
BIO_snprintf(p, left, "write(%d,%zu) - %s\n",
bio->num, len, bio->method->name);
break;
case BIO_CB_PUTS:
BIO_snprintf(p, left, "puts() - %s\n", bio->method->name);
break;
case BIO_CB_GETS:
BIO_snprintf(p, left, "gets(%zu) - %s\n", len,
bio->method->name);
break;
case BIO_CB_CTRL:
BIO_snprintf(p, left, "ctrl(%d) - %s\n", argi,
bio->method->name);
break;
case BIO_CB_RECVMMSG:
args = (BIO_MMSG_CB_ARGS *)argp;
BIO_snprintf(p, left, "recvmmsg(%zu) - %s",
args->num_msg, bio->method->name);
break;
case BIO_CB_SENDMMSG:
args = (BIO_MMSG_CB_ARGS *)argp;
BIO_snprintf(p, left, "sendmmsg(%zu) - %s",
args->num_msg, bio->method->name);
break;
case BIO_CB_RETURN | BIO_CB_READ:
BIO_snprintf(p, left, "read return %d processed: %zu\n", ret, l);
break;
case BIO_CB_RETURN | BIO_CB_WRITE:
BIO_snprintf(p, left, "write return %d processed: %zu\n", ret, l);
break;
case BIO_CB_RETURN | BIO_CB_GETS:
BIO_snprintf(p, left, "gets return %d processed: %zu\n", ret, l);
break;
case BIO_CB_RETURN | BIO_CB_PUTS:
BIO_snprintf(p, left, "puts return %d processed: %zu\n", ret, l);
break;
case BIO_CB_RETURN | BIO_CB_CTRL:
BIO_snprintf(p, left, "ctrl return %d\n", ret);
break;
case BIO_CB_RETURN | BIO_CB_RECVMMSG:
BIO_snprintf(p, left, "recvmmsg processed: %zu\n", len);
ret_ = (long)len;
break;
case BIO_CB_RETURN | BIO_CB_SENDMMSG:
BIO_snprintf(p, left, "sendmmsg processed: %zu\n", len);
ret_ = (long)len;
break;
default:
BIO_snprintf(p, left, "bio callback - unknown type (%d)\n", cmd);
break;
}
b = (BIO *)bio->cb_arg;
if (b != NULL)
BIO_write(b, buf, strlen(buf));
#if !defined(OPENSSL_NO_STDIO)
else
fputs(buf, stderr);
#endif
return ret_;
}
#ifndef OPENSSL_NO_DEPRECATED_3_0
long BIO_debug_callback(BIO *bio, int cmd, const char *argp,
int argi, long argl, long ret)
{
size_t processed = 0;
if (ret > 0)
processed = (size_t)ret;
BIO_debug_callback_ex(bio, cmd, argp, (size_t)argi,
argi, argl, ret > 0 ? 1 : (int)ret, &processed);
return ret;
}
#endif
| bio | openssl/crypto/bio/bio_cb.c | openssl |
#include <stdio.h>
#include <errno.h>
#include "bio_local.h"
#if defined(OPENSSL_NO_POSIX_IO)
BIO *BIO_new_fd(int fd, int close_flag)
{
return NULL;
}
int BIO_fd_non_fatal_error(int err)
{
return 0;
}
int BIO_fd_should_retry(int i)
{
return 0;
}
const BIO_METHOD *BIO_s_fd(void)
{
return NULL;
}
#else
static int fd_write(BIO *h, const char *buf, int num);
static int fd_read(BIO *h, char *buf, int size);
static int fd_puts(BIO *h, const char *str);
static int fd_gets(BIO *h, char *buf, int size);
static long fd_ctrl(BIO *h, int cmd, long arg1, void *arg2);
static int fd_new(BIO *h);
static int fd_free(BIO *data);
int BIO_fd_should_retry(int s);
static const BIO_METHOD methods_fdp = {
BIO_TYPE_FD,
"file descriptor",
bwrite_conv,
fd_write,
bread_conv,
fd_read,
fd_puts,
fd_gets,
fd_ctrl,
fd_new,
fd_free,
NULL,
};
const BIO_METHOD *BIO_s_fd(void)
{
return &methods_fdp;
}
BIO *BIO_new_fd(int fd, int close_flag)
{
BIO *ret;
ret = BIO_new(BIO_s_fd());
if (ret == NULL)
return NULL;
BIO_set_fd(ret, fd, close_flag);
return ret;
}
static int fd_new(BIO *bi)
{
bi->init = 0;
bi->num = -1;
bi->ptr = NULL;
bi->flags = BIO_FLAGS_UPLINK_INTERNAL;
return 1;
}
static int fd_free(BIO *a)
{
if (a == NULL)
return 0;
if (a->shutdown) {
if (a->init) {
UP_close(a->num);
}
a->init = 0;
a->flags = BIO_FLAGS_UPLINK_INTERNAL;
}
return 1;
}
static int fd_read(BIO *b, char *out, int outl)
{
int ret = 0;
if (out != NULL) {
clear_sys_error();
ret = UP_read(b->num, out, outl);
BIO_clear_retry_flags(b);
if (ret <= 0) {
if (BIO_fd_should_retry(ret))
BIO_set_retry_read(b);
else if (ret == 0)
b->flags |= BIO_FLAGS_IN_EOF;
}
}
return ret;
}
static int fd_write(BIO *b, const char *in, int inl)
{
int ret;
clear_sys_error();
ret = UP_write(b->num, in, inl);
BIO_clear_retry_flags(b);
if (ret <= 0) {
if (BIO_fd_should_retry(ret))
BIO_set_retry_write(b);
}
return ret;
}
static long fd_ctrl(BIO *b, int cmd, long num, void *ptr)
{
long ret = 1;
int *ip;
switch (cmd) {
case BIO_CTRL_RESET:
num = 0;
case BIO_C_FILE_SEEK:
ret = (long)UP_lseek(b->num, num, 0);
break;
case BIO_C_FILE_TELL:
case BIO_CTRL_INFO:
ret = (long)UP_lseek(b->num, 0, 1);
break;
case BIO_C_SET_FD:
fd_free(b);
b->num = *((int *)ptr);
b->shutdown = (int)num;
b->init = 1;
break;
case BIO_C_GET_FD:
if (b->init) {
ip = (int *)ptr;
if (ip != NULL)
*ip = b->num;
ret = b->num;
} else
ret = -1;
break;
case BIO_CTRL_GET_CLOSE:
ret = b->shutdown;
break;
case BIO_CTRL_SET_CLOSE:
b->shutdown = (int)num;
break;
case BIO_CTRL_PENDING:
case BIO_CTRL_WPENDING:
ret = 0;
break;
case BIO_CTRL_DUP:
case BIO_CTRL_FLUSH:
ret = 1;
break;
case BIO_CTRL_EOF:
ret = (b->flags & BIO_FLAGS_IN_EOF) != 0;
break;
default:
ret = 0;
break;
}
return ret;
}
static int fd_puts(BIO *bp, const char *str)
{
int n, ret;
n = strlen(str);
ret = fd_write(bp, str, n);
return ret;
}
static int fd_gets(BIO *bp, char *buf, int size)
{
int ret = 0;
char *ptr = buf;
char *end = buf + size - 1;
while (ptr < end && fd_read(bp, ptr, 1) > 0) {
if (*ptr++ == '\n')
break;
}
ptr[0] = '\0';
if (buf[0] != '\0')
ret = strlen(buf);
return ret;
}
int BIO_fd_should_retry(int i)
{
int err;
if ((i == 0) || (i == -1)) {
err = get_last_sys_error();
return BIO_fd_non_fatal_error(err);
}
return 0;
}
int BIO_fd_non_fatal_error(int err)
{
switch (err) {
# ifdef EWOULDBLOCK
# ifdef WSAEWOULDBLOCK
# if WSAEWOULDBLOCK != EWOULDBLOCK
case EWOULDBLOCK:
# endif
# else
case EWOULDBLOCK:
# endif
# endif
# if defined(ENOTCONN)
case ENOTCONN:
# endif
# ifdef EINTR
case EINTR:
# endif
# ifdef EAGAIN
# if EWOULDBLOCK != EAGAIN
case EAGAIN:
# endif
# endif
# ifdef EPROTO
case EPROTO:
# endif
# ifdef EINPROGRESS
case EINPROGRESS:
# endif
# ifdef EALREADY
case EALREADY:
# endif
return 1;
default:
break;
}
return 0;
}
#endif
| bio | openssl/crypto/bio/bss_fd.c | openssl |
#include <stdio.h>
#include <errno.h>
#include "bio_local.h"
#include "internal/cryptlib.h"
#include <openssl/evp.h>
static int linebuffer_write(BIO *h, const char *buf, int num);
static int linebuffer_read(BIO *h, char *buf, int size);
static int linebuffer_puts(BIO *h, const char *str);
static int linebuffer_gets(BIO *h, char *str, int size);
static long linebuffer_ctrl(BIO *h, int cmd, long arg1, void *arg2);
static int linebuffer_new(BIO *h);
static int linebuffer_free(BIO *data);
static long linebuffer_callback_ctrl(BIO *h, int cmd, BIO_info_cb *fp);
#define DEFAULT_LINEBUFFER_SIZE 1024*10
static const BIO_METHOD methods_linebuffer = {
BIO_TYPE_LINEBUFFER,
"linebuffer",
bwrite_conv,
linebuffer_write,
bread_conv,
linebuffer_read,
linebuffer_puts,
linebuffer_gets,
linebuffer_ctrl,
linebuffer_new,
linebuffer_free,
linebuffer_callback_ctrl,
};
const BIO_METHOD *BIO_f_linebuffer(void)
{
return &methods_linebuffer;
}
typedef struct bio_linebuffer_ctx_struct {
char *obuf;
int obuf_size;
int obuf_len;
} BIO_LINEBUFFER_CTX;
static int linebuffer_new(BIO *bi)
{
BIO_LINEBUFFER_CTX *ctx;
if ((ctx = OPENSSL_malloc(sizeof(*ctx))) == NULL)
return 0;
ctx->obuf = OPENSSL_malloc(DEFAULT_LINEBUFFER_SIZE);
if (ctx->obuf == NULL) {
OPENSSL_free(ctx);
return 0;
}
ctx->obuf_size = DEFAULT_LINEBUFFER_SIZE;
ctx->obuf_len = 0;
bi->init = 1;
bi->ptr = (char *)ctx;
bi->flags = 0;
return 1;
}
static int linebuffer_free(BIO *a)
{
BIO_LINEBUFFER_CTX *b;
if (a == NULL)
return 0;
b = (BIO_LINEBUFFER_CTX *)a->ptr;
OPENSSL_free(b->obuf);
OPENSSL_free(a->ptr);
a->ptr = NULL;
a->init = 0;
a->flags = 0;
return 1;
}
static int linebuffer_read(BIO *b, char *out, int outl)
{
int ret = 0;
if (out == NULL)
return 0;
if (b->next_bio == NULL)
return 0;
ret = BIO_read(b->next_bio, out, outl);
BIO_clear_retry_flags(b);
BIO_copy_next_retry(b);
return ret;
}
static int linebuffer_write(BIO *b, const char *in, int inl)
{
int i, num = 0, foundnl;
BIO_LINEBUFFER_CTX *ctx;
if ((in == NULL) || (inl <= 0))
return 0;
ctx = (BIO_LINEBUFFER_CTX *)b->ptr;
if ((ctx == NULL) || (b->next_bio == NULL))
return 0;
BIO_clear_retry_flags(b);
do {
const char *p;
char c;
for (p = in, c = '\0'; p < in + inl && (c = *p) != '\n'; p++) ;
if (c == '\n') {
p++;
foundnl = 1;
} else
foundnl = 0;
while ((foundnl || p - in > ctx->obuf_size - ctx->obuf_len)
&& ctx->obuf_len > 0) {
int orig_olen = ctx->obuf_len;
i = ctx->obuf_size - ctx->obuf_len;
if (p - in > 0) {
if (i >= p - in) {
memcpy(&(ctx->obuf[ctx->obuf_len]), in, p - in);
ctx->obuf_len += p - in;
inl -= p - in;
num += p - in;
in = p;
} else {
memcpy(&(ctx->obuf[ctx->obuf_len]), in, i);
ctx->obuf_len += i;
inl -= i;
in += i;
num += i;
}
}
i = BIO_write(b->next_bio, ctx->obuf, ctx->obuf_len);
if (i <= 0) {
ctx->obuf_len = orig_olen;
BIO_copy_next_retry(b);
if (i < 0)
return ((num > 0) ? num : i);
if (i == 0)
return num;
}
if (i < ctx->obuf_len)
memmove(ctx->obuf, ctx->obuf + i, ctx->obuf_len - i);
ctx->obuf_len -= i;
}
if ((foundnl || p - in > ctx->obuf_size) && p - in > 0) {
i = BIO_write(b->next_bio, in, p - in);
if (i <= 0) {
BIO_copy_next_retry(b);
if (i < 0)
return ((num > 0) ? num : i);
if (i == 0)
return num;
}
num += i;
in += i;
inl -= i;
}
}
while (foundnl && inl > 0);
if (inl > 0) {
memcpy(&(ctx->obuf[ctx->obuf_len]), in, inl);
ctx->obuf_len += inl;
num += inl;
}
return num;
}
static long linebuffer_ctrl(BIO *b, int cmd, long num, void *ptr)
{
BIO *dbio;
BIO_LINEBUFFER_CTX *ctx;
long ret = 1;
char *p;
int r;
int obs;
ctx = (BIO_LINEBUFFER_CTX *)b->ptr;
switch (cmd) {
case BIO_CTRL_RESET:
ctx->obuf_len = 0;
if (b->next_bio == NULL)
return 0;
ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
break;
case BIO_CTRL_INFO:
ret = (long)ctx->obuf_len;
break;
case BIO_CTRL_WPENDING:
ret = (long)ctx->obuf_len;
if (ret == 0) {
if (b->next_bio == NULL)
return 0;
ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
}
break;
case BIO_C_SET_BUFF_SIZE:
if (num > INT_MAX)
return 0;
obs = (int)num;
p = ctx->obuf;
if ((obs > DEFAULT_LINEBUFFER_SIZE) && (obs != ctx->obuf_size)) {
p = OPENSSL_malloc((size_t)obs);
if (p == NULL)
return 0;
}
if (ctx->obuf != p) {
if (ctx->obuf_len > obs) {
ctx->obuf_len = obs;
}
memcpy(p, ctx->obuf, ctx->obuf_len);
OPENSSL_free(ctx->obuf);
ctx->obuf = p;
ctx->obuf_size = obs;
}
break;
case BIO_C_DO_STATE_MACHINE:
if (b->next_bio == NULL)
return 0;
BIO_clear_retry_flags(b);
ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
BIO_copy_next_retry(b);
break;
case BIO_CTRL_FLUSH:
if (b->next_bio == NULL)
return 0;
if (ctx->obuf_len <= 0) {
ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
BIO_copy_next_retry(b);
break;
}
for (;;) {
BIO_clear_retry_flags(b);
if (ctx->obuf_len > 0) {
r = BIO_write(b->next_bio, ctx->obuf, ctx->obuf_len);
BIO_copy_next_retry(b);
if (r <= 0)
return (long)r;
if (r < ctx->obuf_len)
memmove(ctx->obuf, ctx->obuf + r, ctx->obuf_len - r);
ctx->obuf_len -= r;
} else {
ctx->obuf_len = 0;
break;
}
}
ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
BIO_copy_next_retry(b);
break;
case BIO_CTRL_DUP:
dbio = (BIO *)ptr;
if (BIO_set_write_buffer_size(dbio, ctx->obuf_size) <= 0)
ret = 0;
break;
default:
if (b->next_bio == NULL)
return 0;
ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
break;
}
return ret;
}
static long linebuffer_callback_ctrl(BIO *b, int cmd, BIO_info_cb *fp)
{
if (b->next_bio == NULL)
return 0;
return BIO_callback_ctrl(b->next_bio, cmd, fp);
}
static int linebuffer_gets(BIO *b, char *buf, int size)
{
if (b->next_bio == NULL)
return 0;
return BIO_gets(b->next_bio, buf, size);
}
static int linebuffer_puts(BIO *b, const char *str)
{
return linebuffer_write(b, str, strlen(str));
}
| bio | openssl/crypto/bio/bf_lbuf.c | openssl |
#include <stdio.h>
#include <errno.h>
#include "bio_local.h"
#include "internal/cryptlib.h"
#define DEFAULT_BUFFER_SIZE 4096
static int readbuffer_write(BIO *h, const char *buf, int num);
static int readbuffer_read(BIO *h, char *buf, int size);
static int readbuffer_puts(BIO *h, const char *str);
static int readbuffer_gets(BIO *h, char *str, int size);
static long readbuffer_ctrl(BIO *h, int cmd, long arg1, void *arg2);
static int readbuffer_new(BIO *h);
static int readbuffer_free(BIO *data);
static long readbuffer_callback_ctrl(BIO *h, int cmd, BIO_info_cb *fp);
static const BIO_METHOD methods_readbuffer = {
BIO_TYPE_BUFFER,
"readbuffer",
bwrite_conv,
readbuffer_write,
bread_conv,
readbuffer_read,
readbuffer_puts,
readbuffer_gets,
readbuffer_ctrl,
readbuffer_new,
readbuffer_free,
readbuffer_callback_ctrl,
};
const BIO_METHOD *BIO_f_readbuffer(void)
{
return &methods_readbuffer;
}
static int readbuffer_new(BIO *bi)
{
BIO_F_BUFFER_CTX *ctx = OPENSSL_zalloc(sizeof(*ctx));
if (ctx == NULL)
return 0;
ctx->ibuf_size = DEFAULT_BUFFER_SIZE;
ctx->ibuf = OPENSSL_zalloc(DEFAULT_BUFFER_SIZE);
if (ctx->ibuf == NULL) {
OPENSSL_free(ctx);
return 0;
}
bi->init = 1;
bi->ptr = (char *)ctx;
bi->flags = 0;
return 1;
}
static int readbuffer_free(BIO *a)
{
BIO_F_BUFFER_CTX *b;
if (a == NULL)
return 0;
b = (BIO_F_BUFFER_CTX *)a->ptr;
OPENSSL_free(b->ibuf);
OPENSSL_free(a->ptr);
a->ptr = NULL;
a->init = 0;
a->flags = 0;
return 1;
}
static int readbuffer_resize(BIO_F_BUFFER_CTX *ctx, int sz)
{
char *tmp;
sz += (ctx->ibuf_off + DEFAULT_BUFFER_SIZE - 1);
sz = DEFAULT_BUFFER_SIZE * (sz / DEFAULT_BUFFER_SIZE);
if (sz > ctx->ibuf_size) {
tmp = OPENSSL_realloc(ctx->ibuf, sz);
if (tmp == NULL)
return 0;
ctx->ibuf = tmp;
ctx->ibuf_size = sz;
}
return 1;
}
static int readbuffer_read(BIO *b, char *out, int outl)
{
int i, num = 0;
BIO_F_BUFFER_CTX *ctx;
if (out == NULL || outl == 0)
return 0;
ctx = (BIO_F_BUFFER_CTX *)b->ptr;
if ((ctx == NULL) || (b->next_bio == NULL))
return 0;
BIO_clear_retry_flags(b);
for (;;) {
i = ctx->ibuf_len;
if (i != 0) {
if (i > outl)
i = outl;
memcpy(out, &(ctx->ibuf[ctx->ibuf_off]), i);
ctx->ibuf_off += i;
ctx->ibuf_len -= i;
num += i;
if (outl == i)
return num;
outl -= i;
out += i;
}
if (!readbuffer_resize(ctx, outl))
return 0;
i = BIO_read(b->next_bio, ctx->ibuf + ctx->ibuf_off, outl);
if (i <= 0) {
BIO_copy_next_retry(b);
if (i < 0)
return ((num > 0) ? num : i);
else
return num;
}
ctx->ibuf_len = i;
}
}
static int readbuffer_write(BIO *b, const char *in, int inl)
{
return 0;
}
static int readbuffer_puts(BIO *b, const char *str)
{
return 0;
}
static long readbuffer_ctrl(BIO *b, int cmd, long num, void *ptr)
{
BIO_F_BUFFER_CTX *ctx;
long ret = 1, sz;
ctx = (BIO_F_BUFFER_CTX *)b->ptr;
switch (cmd) {
case BIO_CTRL_EOF:
if (ctx->ibuf_len > 0)
return 0;
if (b->next_bio == NULL)
return 1;
ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
break;
case BIO_C_FILE_SEEK:
case BIO_CTRL_RESET:
sz = ctx->ibuf_off + ctx->ibuf_len;
if (num < 0 || num > sz)
return 0;
ctx->ibuf_off = num;
ctx->ibuf_len = sz - num;
break;
case BIO_C_FILE_TELL:
case BIO_CTRL_INFO:
ret = (long)ctx->ibuf_off;
break;
case BIO_CTRL_PENDING:
ret = (long)ctx->ibuf_len;
if (ret == 0) {
if (b->next_bio == NULL)
return 0;
ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
}
break;
case BIO_CTRL_DUP:
case BIO_CTRL_FLUSH:
ret = 1;
break;
default:
ret = 0;
break;
}
return ret;
}
static long readbuffer_callback_ctrl(BIO *b, int cmd, BIO_info_cb *fp)
{
if (b->next_bio == NULL)
return 0;
return BIO_callback_ctrl(b->next_bio, cmd, fp);
}
static int readbuffer_gets(BIO *b, char *buf, int size)
{
BIO_F_BUFFER_CTX *ctx;
int num = 0, num_chars, found_newline;
char *p;
int i, j;
if (size == 0)
return 0;
--size;
ctx = (BIO_F_BUFFER_CTX *)b->ptr;
BIO_clear_retry_flags(b);
if (ctx->ibuf_len > 0) {
p = ctx->ibuf + ctx->ibuf_off;
found_newline = 0;
for (num_chars = 0;
(num_chars < ctx->ibuf_len) && (num_chars < size);
num_chars++) {
*buf++ = p[num_chars];
if (p[num_chars] == '\n') {
found_newline = 1;
num_chars++;
break;
}
}
num += num_chars;
size -= num_chars;
ctx->ibuf_len -= num_chars;
ctx->ibuf_off += num_chars;
if (found_newline || size == 0) {
*buf = '\0';
return num;
}
}
if (!readbuffer_resize(ctx, 1 + size))
return 0;
p = ctx->ibuf + ctx->ibuf_off;
for (i = 0; i < size; ++i) {
j = BIO_read(b->next_bio, p, 1);
if (j <= 0) {
BIO_copy_next_retry(b);
*buf = '\0';
return num > 0 ? num : j;
}
*buf++ = *p;
num++;
ctx->ibuf_off++;
if (*p == '\n')
break;
++p;
}
*buf = '\0';
return num;
}
| bio | openssl/crypto/bio/bf_readbuff.c | openssl |
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include "bio_local.h"
static int prefix_write(BIO *b, const char *out, size_t outl,
size_t *numwritten);
static int prefix_read(BIO *b, char *buf, size_t size, size_t *numread);
static int prefix_puts(BIO *b, const char *str);
static int prefix_gets(BIO *b, char *str, int size);
static long prefix_ctrl(BIO *b, int cmd, long arg1, void *arg2);
static int prefix_create(BIO *b);
static int prefix_destroy(BIO *b);
static long prefix_callback_ctrl(BIO *b, int cmd, BIO_info_cb *fp);
static const BIO_METHOD prefix_meth = {
BIO_TYPE_BUFFER,
"prefix",
prefix_write,
NULL,
prefix_read,
NULL,
prefix_puts,
prefix_gets,
prefix_ctrl,
prefix_create,
prefix_destroy,
prefix_callback_ctrl,
};
const BIO_METHOD *BIO_f_prefix(void)
{
return &prefix_meth;
}
typedef struct prefix_ctx_st {
char *prefix;
unsigned int indent;
int linestart;
} PREFIX_CTX;
static int prefix_create(BIO *b)
{
PREFIX_CTX *ctx = OPENSSL_zalloc(sizeof(*ctx));
if (ctx == NULL)
return 0;
ctx->prefix = NULL;
ctx->indent = 0;
ctx->linestart = 1;
BIO_set_data(b, ctx);
BIO_set_init(b, 1);
return 1;
}
static int prefix_destroy(BIO *b)
{
PREFIX_CTX *ctx = BIO_get_data(b);
OPENSSL_free(ctx->prefix);
OPENSSL_free(ctx);
return 1;
}
static int prefix_read(BIO *b, char *in, size_t size, size_t *numread)
{
return BIO_read_ex(BIO_next(b), in, size, numread);
}
static int prefix_write(BIO *b, const char *out, size_t outl,
size_t *numwritten)
{
PREFIX_CTX *ctx = BIO_get_data(b);
if (ctx == NULL)
return 0;
if ((ctx->prefix == NULL || *ctx->prefix == '\0')
&& ctx->indent == 0) {
if (outl > 0)
ctx->linestart = (out[outl-1] == '\n');
return BIO_write_ex(BIO_next(b), out, outl, numwritten);
}
*numwritten = 0;
while (outl > 0) {
size_t i;
char c;
if (ctx->linestart) {
size_t dontcare;
if (ctx->prefix != NULL
&& !BIO_write_ex(BIO_next(b), ctx->prefix, strlen(ctx->prefix),
&dontcare))
return 0;
BIO_printf(BIO_next(b), "%*s", ctx->indent, "");
ctx->linestart = 0;
}
for (i = 0, c = '\0'; i < outl && (c = out[i]) != '\n'; i++)
continue;
if (c == '\n')
i++;
while (i > 0) {
size_t num = 0;
if (!BIO_write_ex(BIO_next(b), out, i, &num))
return 0;
out += num;
outl -= num;
*numwritten += num;
i -= num;
}
if (c == '\n')
ctx->linestart = 1;
}
return 1;
}
static long prefix_ctrl(BIO *b, int cmd, long num, void *ptr)
{
long ret = 0;
PREFIX_CTX *ctx;
if (b == NULL || (ctx = BIO_get_data(b)) == NULL)
return -1;
switch (cmd) {
case BIO_CTRL_SET_PREFIX:
OPENSSL_free(ctx->prefix);
if (ptr == NULL) {
ctx->prefix = NULL;
ret = 1;
} else {
ctx->prefix = OPENSSL_strdup((const char *)ptr);
ret = ctx->prefix != NULL;
}
break;
case BIO_CTRL_SET_INDENT:
if (num >= 0) {
ctx->indent = (unsigned int)num;
ret = 1;
}
break;
case BIO_CTRL_GET_INDENT:
ret = (long)ctx->indent;
break;
default:
switch (cmd) {
case BIO_C_FILE_SEEK:
case BIO_CTRL_RESET:
ctx->linestart = 1;
break;
}
if (BIO_next(b) != NULL)
ret = BIO_ctrl(BIO_next(b), cmd, num, ptr);
break;
}
return ret;
}
static long prefix_callback_ctrl(BIO *b, int cmd, BIO_info_cb *fp)
{
return BIO_callback_ctrl(BIO_next(b), cmd, fp);
}
static int prefix_gets(BIO *b, char *buf, int size)
{
return BIO_gets(BIO_next(b), buf, size);
}
static int prefix_puts(BIO *b, const char *str)
{
return BIO_write(b, str, strlen(str));
}
| bio | openssl/crypto/bio/bf_prefix.c | openssl |
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include "bio_local.h"
#include "internal/ktls.h"
#include "internal/bio_tfo.h"
#include <openssl/err.h>
#ifndef OPENSSL_NO_SOCK
# ifdef SO_MAXCONN
# define MAX_LISTEN SO_MAXCONN
# elif defined(SOMAXCONN)
# define MAX_LISTEN SOMAXCONN
# else
# define MAX_LISTEN 32
# endif
int BIO_socket(int domain, int socktype, int protocol, int options)
{
int sock = -1;
if (BIO_sock_init() != 1)
return INVALID_SOCKET;
sock = socket(domain, socktype, protocol);
if (sock == -1) {
ERR_raise_data(ERR_LIB_SYS, get_last_socket_error(),
"calling socket()");
ERR_raise(ERR_LIB_BIO, BIO_R_UNABLE_TO_CREATE_SOCKET);
return INVALID_SOCKET;
}
return sock;
}
int BIO_connect(int sock, const BIO_ADDR *addr, int options)
{
const int on = 1;
if (sock == -1) {
ERR_raise(ERR_LIB_BIO, BIO_R_INVALID_SOCKET);
return 0;
}
if (!BIO_socket_nbio(sock, (options & BIO_SOCK_NONBLOCK) != 0))
return 0;
if (options & BIO_SOCK_KEEPALIVE) {
if (setsockopt(sock, SOL_SOCKET, SO_KEEPALIVE,
(const void *)&on, sizeof(on)) != 0) {
ERR_raise_data(ERR_LIB_SYS, get_last_socket_error(),
"calling setsockopt()");
ERR_raise(ERR_LIB_BIO, BIO_R_UNABLE_TO_KEEPALIVE);
return 0;
}
}
if (options & BIO_SOCK_NODELAY) {
if (setsockopt(sock, IPPROTO_TCP, TCP_NODELAY,
(const void *)&on, sizeof(on)) != 0) {
ERR_raise_data(ERR_LIB_SYS, get_last_socket_error(),
"calling setsockopt()");
ERR_raise(ERR_LIB_BIO, BIO_R_UNABLE_TO_NODELAY);
return 0;
}
}
if (options & BIO_SOCK_TFO) {
# if defined(OSSL_TFO_CLIENT_FLAG)
# if defined(OSSL_TFO_SYSCTL_CLIENT)
int enabled = 0;
size_t enabledlen = sizeof(enabled);
if (sysctlbyname(OSSL_TFO_SYSCTL_CLIENT, &enabled, &enabledlen, NULL, 0) < 0) {
ERR_raise(ERR_LIB_BIO, BIO_R_TFO_NO_KERNEL_SUPPORT);
return 0;
}
if (!(enabled & OSSL_TFO_CLIENT_FLAG)) {
ERR_raise(ERR_LIB_BIO, BIO_R_TFO_DISABLED);
return 0;
}
# elif defined(OSSL_TFO_SYSCTL)
int enabled = 0;
size_t enabledlen = sizeof(enabled);
if (sysctlbyname(OSSL_TFO_SYSCTL, &enabled, &enabledlen, NULL, 0) < 0) {
ERR_raise(ERR_LIB_BIO, BIO_R_TFO_NO_KERNEL_SUPPORT);
return 0;
}
if (!(enabled & OSSL_TFO_CLIENT_FLAG)) {
ERR_raise(ERR_LIB_BIO, BIO_R_TFO_DISABLED);
return 0;
}
# endif
# endif
# if defined(OSSL_TFO_CONNECTX)
sa_endpoints_t sae;
memset(&sae, 0, sizeof(sae));
sae.sae_dstaddr = BIO_ADDR_sockaddr(addr);
sae.sae_dstaddrlen = BIO_ADDR_sockaddr_size(addr);
if (connectx(sock, &sae, SAE_ASSOCID_ANY,
CONNECT_DATA_IDEMPOTENT | CONNECT_RESUME_ON_READ_WRITE,
NULL, 0, NULL, NULL) == -1) {
if (!BIO_sock_should_retry(-1)) {
ERR_raise_data(ERR_LIB_SYS, get_last_socket_error(),
"calling connectx()");
ERR_raise(ERR_LIB_BIO, BIO_R_CONNECT_ERROR);
}
return 0;
}
# endif
# if defined(OSSL_TFO_CLIENT_SOCKOPT)
if (setsockopt(sock, IPPROTO_TCP, OSSL_TFO_CLIENT_SOCKOPT,
(const void *)&on, sizeof(on)) != 0) {
ERR_raise_data(ERR_LIB_SYS, get_last_socket_error(),
"calling setsockopt()");
ERR_raise(ERR_LIB_BIO, BIO_R_UNABLE_TO_TFO);
return 0;
}
# endif
# if defined(OSSL_TFO_DO_NOT_CONNECT)
return 1;
# endif
}
if (connect(sock, BIO_ADDR_sockaddr(addr),
BIO_ADDR_sockaddr_size(addr)) == -1) {
if (!BIO_sock_should_retry(-1)) {
ERR_raise_data(ERR_LIB_SYS, get_last_socket_error(),
"calling connect()");
ERR_raise(ERR_LIB_BIO, BIO_R_CONNECT_ERROR);
}
return 0;
}
# ifndef OPENSSL_NO_KTLS
ktls_enable(sock);
# endif
return 1;
}
int BIO_bind(int sock, const BIO_ADDR *addr, int options)
{
# ifndef OPENSSL_SYS_WINDOWS
int on = 1;
# endif
if (sock == -1) {
ERR_raise(ERR_LIB_BIO, BIO_R_INVALID_SOCKET);
return 0;
}
# ifndef OPENSSL_SYS_WINDOWS
if (options & BIO_SOCK_REUSEADDR) {
if (setsockopt(sock, SOL_SOCKET, SO_REUSEADDR,
(const void *)&on, sizeof(on)) != 0) {
ERR_raise_data(ERR_LIB_SYS, get_last_socket_error(),
"calling setsockopt()");
ERR_raise(ERR_LIB_BIO, BIO_R_UNABLE_TO_REUSEADDR);
return 0;
}
}
# endif
if (bind(sock, BIO_ADDR_sockaddr(addr), BIO_ADDR_sockaddr_size(addr)) != 0) {
ERR_raise_data(ERR_LIB_SYS, get_last_socket_error() ,
"calling bind()");
ERR_raise(ERR_LIB_BIO, BIO_R_UNABLE_TO_BIND_SOCKET);
return 0;
}
return 1;
}
int BIO_listen(int sock, const BIO_ADDR *addr, int options)
{
int on = 1;
int socktype;
socklen_t socktype_len = sizeof(socktype);
if (sock == -1) {
ERR_raise(ERR_LIB_BIO, BIO_R_INVALID_SOCKET);
return 0;
}
if (getsockopt(sock, SOL_SOCKET, SO_TYPE,
(void *)&socktype, &socktype_len) != 0
|| socktype_len != sizeof(socktype)) {
ERR_raise_data(ERR_LIB_SYS, get_last_socket_error(),
"calling getsockopt()");
ERR_raise(ERR_LIB_BIO, BIO_R_GETTING_SOCKTYPE);
return 0;
}
if (!BIO_socket_nbio(sock, (options & BIO_SOCK_NONBLOCK) != 0))
return 0;
if (options & BIO_SOCK_KEEPALIVE) {
if (setsockopt(sock, SOL_SOCKET, SO_KEEPALIVE,
(const void *)&on, sizeof(on)) != 0) {
ERR_raise_data(ERR_LIB_SYS, get_last_socket_error(),
"calling setsockopt()");
ERR_raise(ERR_LIB_BIO, BIO_R_UNABLE_TO_KEEPALIVE);
return 0;
}
}
if (options & BIO_SOCK_NODELAY) {
if (setsockopt(sock, IPPROTO_TCP, TCP_NODELAY,
(const void *)&on, sizeof(on)) != 0) {
ERR_raise_data(ERR_LIB_SYS, get_last_socket_error(),
"calling setsockopt()");
ERR_raise(ERR_LIB_BIO, BIO_R_UNABLE_TO_NODELAY);
return 0;
}
}
# if defined(IPV6_V6ONLY) && !defined(__OpenBSD__)
if (BIO_ADDR_family(addr) == AF_INET6) {
on = options & BIO_SOCK_V6_ONLY ? 1 : 0;
if (setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY,
(const void *)&on, sizeof(on)) != 0) {
ERR_raise_data(ERR_LIB_SYS, get_last_socket_error(),
"calling setsockopt()");
ERR_raise(ERR_LIB_BIO, BIO_R_LISTEN_V6_ONLY);
return 0;
}
}
# endif
if (!BIO_bind(sock, addr, options))
return 0;
if (socktype != SOCK_DGRAM && listen(sock, MAX_LISTEN) == -1) {
ERR_raise_data(ERR_LIB_SYS, get_last_socket_error(),
"calling listen()");
ERR_raise(ERR_LIB_BIO, BIO_R_UNABLE_TO_LISTEN_SOCKET);
return 0;
}
# if defined(OSSL_TFO_SERVER_SOCKOPT)
if ((options & BIO_SOCK_TFO) && socktype != SOCK_DGRAM) {
int q = OSSL_TFO_SERVER_SOCKOPT_VALUE;
# if defined(OSSL_TFO_CLIENT_FLAG)
# if defined(OSSL_TFO_SYSCTL_SERVER)
int enabled = 0;
size_t enabledlen = sizeof(enabled);
if (sysctlbyname(OSSL_TFO_SYSCTL_SERVER, &enabled, &enabledlen, NULL, 0) < 0) {
ERR_raise(ERR_LIB_BIO, BIO_R_TFO_NO_KERNEL_SUPPORT);
return 0;
}
if (!(enabled & OSSL_TFO_SERVER_FLAG)) {
ERR_raise(ERR_LIB_BIO, BIO_R_TFO_DISABLED);
return 0;
}
# elif defined(OSSL_TFO_SYSCTL)
int enabled = 0;
size_t enabledlen = sizeof(enabled);
if (sysctlbyname(OSSL_TFO_SYSCTL, &enabled, &enabledlen, NULL, 0) < 0) {
ERR_raise(ERR_LIB_BIO, BIO_R_TFO_NO_KERNEL_SUPPORT);
return 0;
}
if (!(enabled & OSSL_TFO_SERVER_FLAG)) {
ERR_raise(ERR_LIB_BIO, BIO_R_TFO_DISABLED);
return 0;
}
# endif
# endif
if (setsockopt(sock, IPPROTO_TCP, OSSL_TFO_SERVER_SOCKOPT,
(void *)&q, sizeof(q)) < 0) {
ERR_raise_data(ERR_LIB_SYS, get_last_socket_error(),
"calling setsockopt()");
ERR_raise(ERR_LIB_BIO, BIO_R_UNABLE_TO_TFO);
return 0;
}
}
# endif
return 1;
}
int BIO_accept_ex(int accept_sock, BIO_ADDR *addr_, int options)
{
socklen_t len;
int accepted_sock;
BIO_ADDR locaddr;
BIO_ADDR *addr = addr_ == NULL ? &locaddr : addr_;
len = sizeof(*addr);
accepted_sock = accept(accept_sock,
BIO_ADDR_sockaddr_noconst(addr), &len);
if (accepted_sock == -1) {
if (!BIO_sock_should_retry(accepted_sock)) {
ERR_raise_data(ERR_LIB_SYS, get_last_socket_error(),
"calling accept()");
ERR_raise(ERR_LIB_BIO, BIO_R_ACCEPT_ERROR);
}
return INVALID_SOCKET;
}
if (!BIO_socket_nbio(accepted_sock, (options & BIO_SOCK_NONBLOCK) != 0)) {
closesocket(accepted_sock);
return INVALID_SOCKET;
}
return accepted_sock;
}
int BIO_closesocket(int sock)
{
if (sock < 0 || closesocket(sock) < 0)
return 0;
return 1;
}
#endif
| bio | openssl/crypto/bio/bio_sock2.c | openssl |
#include <stdio.h>
#include <errno.h>
#include "bio_local.h"
#include "internal/cryptlib.h"
static int nullf_write(BIO *h, const char *buf, int num);
static int nullf_read(BIO *h, char *buf, int size);
static int nullf_puts(BIO *h, const char *str);
static int nullf_gets(BIO *h, char *str, int size);
static long nullf_ctrl(BIO *h, int cmd, long arg1, void *arg2);
static long nullf_callback_ctrl(BIO *h, int cmd, BIO_info_cb *fp);
static const BIO_METHOD methods_nullf = {
BIO_TYPE_NULL_FILTER,
"NULL filter",
bwrite_conv,
nullf_write,
bread_conv,
nullf_read,
nullf_puts,
nullf_gets,
nullf_ctrl,
NULL,
NULL,
nullf_callback_ctrl,
};
const BIO_METHOD *BIO_f_null(void)
{
return &methods_nullf;
}
static int nullf_read(BIO *b, char *out, int outl)
{
int ret = 0;
if (out == NULL)
return 0;
if (b->next_bio == NULL)
return 0;
ret = BIO_read(b->next_bio, out, outl);
BIO_clear_retry_flags(b);
BIO_copy_next_retry(b);
return ret;
}
static int nullf_write(BIO *b, const char *in, int inl)
{
int ret = 0;
if ((in == NULL) || (inl <= 0))
return 0;
if (b->next_bio == NULL)
return 0;
ret = BIO_write(b->next_bio, in, inl);
BIO_clear_retry_flags(b);
BIO_copy_next_retry(b);
return ret;
}
static long nullf_ctrl(BIO *b, int cmd, long num, void *ptr)
{
long ret;
if (b->next_bio == NULL)
return 0;
switch (cmd) {
case BIO_C_DO_STATE_MACHINE:
BIO_clear_retry_flags(b);
ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
BIO_copy_next_retry(b);
break;
case BIO_CTRL_DUP:
ret = 0L;
break;
default:
ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
}
return ret;
}
static long nullf_callback_ctrl(BIO *b, int cmd, BIO_info_cb *fp)
{
if (b->next_bio == NULL)
return 0;
return BIO_callback_ctrl(b->next_bio, cmd, fp);
}
static int nullf_gets(BIO *bp, char *buf, int size)
{
if (bp->next_bio == NULL)
return 0;
return BIO_gets(bp->next_bio, buf, size);
}
static int nullf_puts(BIO *bp, const char *str)
{
if (bp->next_bio == NULL)
return 0;
return BIO_puts(bp->next_bio, str);
}
| bio | openssl/crypto/bio/bf_null.c | openssl |
#include <openssl/core.h>
#include "bio_local.h"
struct ossl_core_bio_st {
CRYPTO_REF_COUNT ref_cnt;
BIO *bio;
};
static OSSL_CORE_BIO *core_bio_new(void)
{
OSSL_CORE_BIO *cb = OPENSSL_malloc(sizeof(*cb));
if (cb == NULL || !CRYPTO_NEW_REF(&cb->ref_cnt, 1)) {
OPENSSL_free(cb);
return NULL;
}
return cb;
}
int ossl_core_bio_up_ref(OSSL_CORE_BIO *cb)
{
int ref = 0;
return CRYPTO_UP_REF(&cb->ref_cnt, &ref);
}
int ossl_core_bio_free(OSSL_CORE_BIO *cb)
{
int ref = 0, res = 1;
if (cb != NULL) {
CRYPTO_DOWN_REF(&cb->ref_cnt, &ref);
if (ref <= 0) {
res = BIO_free(cb->bio);
CRYPTO_FREE_REF(&cb->ref_cnt);
OPENSSL_free(cb);
}
}
return res;
}
OSSL_CORE_BIO *ossl_core_bio_new_from_bio(BIO *bio)
{
OSSL_CORE_BIO *cb = core_bio_new();
if (cb == NULL || !BIO_up_ref(bio)) {
ossl_core_bio_free(cb);
return NULL;
}
cb->bio = bio;
return cb;
}
static OSSL_CORE_BIO *core_bio_new_from_new_bio(BIO *bio)
{
OSSL_CORE_BIO *cb = NULL;
if (bio == NULL)
return NULL;
if ((cb = core_bio_new()) == NULL) {
BIO_free(bio);
return NULL;
}
cb->bio = bio;
return cb;
}
OSSL_CORE_BIO *ossl_core_bio_new_file(const char *filename, const char *mode)
{
return core_bio_new_from_new_bio(BIO_new_file(filename, mode));
}
OSSL_CORE_BIO *ossl_core_bio_new_mem_buf(const void *buf, int len)
{
return core_bio_new_from_new_bio(BIO_new_mem_buf(buf, len));
}
int ossl_core_bio_read_ex(OSSL_CORE_BIO *cb, void *data, size_t dlen,
size_t *readbytes)
{
return BIO_read_ex(cb->bio, data, dlen, readbytes);
}
int ossl_core_bio_write_ex(OSSL_CORE_BIO *cb, const void *data, size_t dlen,
size_t *written)
{
return BIO_write_ex(cb->bio, data, dlen, written);
}
int ossl_core_bio_gets(OSSL_CORE_BIO *cb, char *buf, int size)
{
return BIO_gets(cb->bio, buf, size);
}
int ossl_core_bio_puts(OSSL_CORE_BIO *cb, const char *buf)
{
return BIO_puts(cb->bio, buf);
}
long ossl_core_bio_ctrl(OSSL_CORE_BIO *cb, int cmd, long larg, void *parg)
{
return BIO_ctrl(cb->bio, cmd, larg, parg);
}
int ossl_core_bio_vprintf(OSSL_CORE_BIO *cb, const char *format, va_list args)
{
return BIO_vprintf(cb->bio, format, args);
}
| bio | openssl/crypto/bio/ossl_core_bio.c | openssl |
#include <stdio.h>
#include <errno.h>
#include "bio_local.h"
#include "internal/cryptlib.h"
static int null_write(BIO *h, const char *buf, int num);
static int null_read(BIO *h, char *buf, int size);
static int null_puts(BIO *h, const char *str);
static int null_gets(BIO *h, char *str, int size);
static long null_ctrl(BIO *h, int cmd, long arg1, void *arg2);
static const BIO_METHOD null_method = {
BIO_TYPE_NULL,
"NULL",
bwrite_conv,
null_write,
bread_conv,
null_read,
null_puts,
null_gets,
null_ctrl,
NULL,
NULL,
NULL,
};
const BIO_METHOD *BIO_s_null(void)
{
return &null_method;
}
static int null_read(BIO *b, char *out, int outl)
{
return 0;
}
static int null_write(BIO *b, const char *in, int inl)
{
return inl;
}
static long null_ctrl(BIO *b, int cmd, long num, void *ptr)
{
long ret = 1;
switch (cmd) {
case BIO_CTRL_RESET:
case BIO_CTRL_EOF:
case BIO_CTRL_SET:
case BIO_CTRL_SET_CLOSE:
case BIO_CTRL_FLUSH:
case BIO_CTRL_DUP:
ret = 1;
break;
case BIO_CTRL_GET_CLOSE:
case BIO_CTRL_INFO:
case BIO_CTRL_GET:
case BIO_CTRL_PENDING:
case BIO_CTRL_WPENDING:
default:
ret = 0;
break;
}
return ret;
}
static int null_gets(BIO *bp, char *buf, int size)
{
return 0;
}
static int null_puts(BIO *bp, const char *str)
{
if (str == NULL)
return 0;
return strlen(str);
}
| bio | openssl/crypto/bio/bss_null.c | openssl |
#define OPENSSL_SUPPRESS_DEPRECATED
#include <stdio.h>
#include <errno.h>
#include <openssl/crypto.h>
#include "internal/numbers.h"
#include "bio_local.h"
#define HAS_LEN_OPER(o) ((o) == BIO_CB_READ || (o) == BIO_CB_WRITE \
|| (o) == BIO_CB_GETS)
#ifndef OPENSSL_NO_DEPRECATED_3_0
# define HAS_CALLBACK(b) ((b)->callback != NULL || (b)->callback_ex != NULL)
#else
# define HAS_CALLBACK(b) ((b)->callback_ex != NULL)
#endif
static long bio_call_callback(BIO *b, int oper, const char *argp, size_t len,
int argi, long argl, long inret,
size_t *processed)
{
long ret = inret;
#ifndef OPENSSL_NO_DEPRECATED_3_0
int bareoper;
if (b->callback_ex != NULL)
#endif
return b->callback_ex(b, oper, argp, len, argi, argl, inret, processed);
#ifndef OPENSSL_NO_DEPRECATED_3_0
bareoper = oper & ~BIO_CB_RETURN;
if (HAS_LEN_OPER(bareoper)) {
if (len > INT_MAX)
return -1;
argi = (int)len;
}
if (inret > 0 && (oper & BIO_CB_RETURN) && bareoper != BIO_CB_CTRL) {
if (*processed > INT_MAX)
return -1;
inret = *processed;
}
ret = b->callback(b, oper, argp, argi, argl, inret);
if (ret > 0 && (oper & BIO_CB_RETURN) && bareoper != BIO_CB_CTRL) {
*processed = (size_t)ret;
ret = 1;
}
#endif
return ret;
}
BIO *BIO_new_ex(OSSL_LIB_CTX *libctx, const BIO_METHOD *method)
{
BIO *bio = OPENSSL_zalloc(sizeof(*bio));
if (bio == NULL)
return NULL;
bio->libctx = libctx;
bio->method = method;
bio->shutdown = 1;
if (!CRYPTO_NEW_REF(&bio->references, 1))
goto err;
if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_BIO, bio, &bio->ex_data))
goto err;
if (method->create != NULL && !method->create(bio)) {
ERR_raise(ERR_LIB_BIO, ERR_R_INIT_FAIL);
CRYPTO_free_ex_data(CRYPTO_EX_INDEX_BIO, bio, &bio->ex_data);
goto err;
}
if (method->create == NULL)
bio->init = 1;
return bio;
err:
CRYPTO_FREE_REF(&bio->references);
OPENSSL_free(bio);
return NULL;
}
BIO *BIO_new(const BIO_METHOD *method)
{
return BIO_new_ex(NULL, method);
}
int BIO_free(BIO *a)
{
int ret;
if (a == NULL)
return 0;
if (CRYPTO_DOWN_REF(&a->references, &ret) <= 0)
return 0;
REF_PRINT_COUNT("BIO", a);
if (ret > 0)
return 1;
REF_ASSERT_ISNT(ret < 0);
if (HAS_CALLBACK(a)) {
ret = (int)bio_call_callback(a, BIO_CB_FREE, NULL, 0, 0, 0L, 1L, NULL);
if (ret <= 0)
return 0;
}
if ((a->method != NULL) && (a->method->destroy != NULL))
a->method->destroy(a);
CRYPTO_free_ex_data(CRYPTO_EX_INDEX_BIO, a, &a->ex_data);
CRYPTO_FREE_REF(&a->references);
OPENSSL_free(a);
return 1;
}
void BIO_set_data(BIO *a, void *ptr)
{
a->ptr = ptr;
}
void *BIO_get_data(BIO *a)
{
return a->ptr;
}
void BIO_set_init(BIO *a, int init)
{
a->init = init;
}
int BIO_get_init(BIO *a)
{
return a->init;
}
void BIO_set_shutdown(BIO *a, int shut)
{
a->shutdown = shut;
}
int BIO_get_shutdown(BIO *a)
{
return a->shutdown;
}
void BIO_vfree(BIO *a)
{
BIO_free(a);
}
int BIO_up_ref(BIO *a)
{
int i;
if (CRYPTO_UP_REF(&a->references, &i) <= 0)
return 0;
REF_PRINT_COUNT("BIO", a);
REF_ASSERT_ISNT(i < 2);
return i > 1;
}
void BIO_clear_flags(BIO *b, int flags)
{
b->flags &= ~flags;
}
int BIO_test_flags(const BIO *b, int flags)
{
return (b->flags & flags);
}
void BIO_set_flags(BIO *b, int flags)
{
b->flags |= flags;
}
#ifndef OPENSSL_NO_DEPRECATED_3_0
BIO_callback_fn BIO_get_callback(const BIO *b)
{
return b->callback;
}
void BIO_set_callback(BIO *b, BIO_callback_fn cb)
{
b->callback = cb;
}
#endif
BIO_callback_fn_ex BIO_get_callback_ex(const BIO *b)
{
return b->callback_ex;
}
void BIO_set_callback_ex(BIO *b, BIO_callback_fn_ex cb)
{
b->callback_ex = cb;
}
void BIO_set_callback_arg(BIO *b, char *arg)
{
b->cb_arg = arg;
}
char *BIO_get_callback_arg(const BIO *b)
{
return b->cb_arg;
}
const char *BIO_method_name(const BIO *b)
{
return b->method->name;
}
int BIO_method_type(const BIO *b)
{
return b->method->type;
}
static int bio_read_intern(BIO *b, void *data, size_t dlen, size_t *readbytes)
{
int ret;
if (b == NULL) {
ERR_raise(ERR_LIB_BIO, ERR_R_PASSED_NULL_PARAMETER);
return -1;
}
if (b->method == NULL || b->method->bread == NULL) {
ERR_raise(ERR_LIB_BIO, BIO_R_UNSUPPORTED_METHOD);
return -2;
}
if (HAS_CALLBACK(b) &&
((ret = (int)bio_call_callback(b, BIO_CB_READ, data, dlen, 0, 0L, 1L,
NULL)) <= 0))
return ret;
if (!b->init) {
ERR_raise(ERR_LIB_BIO, BIO_R_UNINITIALIZED);
return -1;
}
ret = b->method->bread(b, data, dlen, readbytes);
if (ret > 0)
b->num_read += (uint64_t)*readbytes;
if (HAS_CALLBACK(b))
ret = (int)bio_call_callback(b, BIO_CB_READ | BIO_CB_RETURN, data,
dlen, 0, 0L, ret, readbytes);
if (ret > 0 && *readbytes > dlen) {
ERR_raise(ERR_LIB_BIO, ERR_R_INTERNAL_ERROR);
return -1;
}
return ret;
}
int BIO_read(BIO *b, void *data, int dlen)
{
size_t readbytes;
int ret;
if (dlen < 0)
return 0;
ret = bio_read_intern(b, data, (size_t)dlen, &readbytes);
if (ret > 0) {
ret = (int)readbytes;
}
return ret;
}
int BIO_read_ex(BIO *b, void *data, size_t dlen, size_t *readbytes)
{
return bio_read_intern(b, data, dlen, readbytes) > 0;
}
static int bio_write_intern(BIO *b, const void *data, size_t dlen,
size_t *written)
{
size_t local_written;
int ret;
if (written != NULL)
*written = 0;
if (b == NULL)
return 0;
if (b->method == NULL || b->method->bwrite == NULL) {
ERR_raise(ERR_LIB_BIO, BIO_R_UNSUPPORTED_METHOD);
return -2;
}
if (HAS_CALLBACK(b) &&
((ret = (int)bio_call_callback(b, BIO_CB_WRITE, data, dlen, 0, 0L, 1L,
NULL)) <= 0))
return ret;
if (!b->init) {
ERR_raise(ERR_LIB_BIO, BIO_R_UNINITIALIZED);
return -1;
}
ret = b->method->bwrite(b, data, dlen, &local_written);
if (ret > 0)
b->num_write += (uint64_t)local_written;
if (HAS_CALLBACK(b))
ret = (int)bio_call_callback(b, BIO_CB_WRITE | BIO_CB_RETURN, data,
dlen, 0, 0L, ret, &local_written);
if (written != NULL)
*written = local_written;
return ret;
}
int BIO_write(BIO *b, const void *data, int dlen)
{
size_t written;
int ret;
if (dlen <= 0)
return 0;
ret = bio_write_intern(b, data, (size_t)dlen, &written);
if (ret > 0) {
ret = (int)written;
}
return ret;
}
int BIO_write_ex(BIO *b, const void *data, size_t dlen, size_t *written)
{
return bio_write_intern(b, data, dlen, written) > 0
|| (b != NULL && dlen == 0);
}
int BIO_sendmmsg(BIO *b, BIO_MSG *msg,
size_t stride, size_t num_msg, uint64_t flags,
size_t *msgs_processed)
{
size_t ret;
BIO_MMSG_CB_ARGS args;
if (b == NULL) {
*msgs_processed = 0;
ERR_raise(ERR_LIB_BIO, ERR_R_PASSED_NULL_PARAMETER);
return 0;
}
if (b->method == NULL || b->method->bsendmmsg == NULL) {
*msgs_processed = 0;
ERR_raise(ERR_LIB_BIO, BIO_R_UNSUPPORTED_METHOD);
return 0;
}
if (HAS_CALLBACK(b)) {
args.msg = msg;
args.stride = stride;
args.num_msg = num_msg;
args.flags = flags;
args.msgs_processed = msgs_processed;
ret = (size_t)bio_call_callback(b, BIO_CB_SENDMMSG, (void *)&args,
0, 0, 0, 1, NULL);
if (ret <= 0)
return 0;
}
if (!b->init) {
*msgs_processed = 0;
ERR_raise(ERR_LIB_BIO, BIO_R_UNINITIALIZED);
return 0;
}
ret = b->method->bsendmmsg(b, msg, stride, num_msg, flags, msgs_processed);
if (HAS_CALLBACK(b))
ret = (size_t)bio_call_callback(b, BIO_CB_SENDMMSG | BIO_CB_RETURN,
(void *)&args, ret, 0, 0, ret, NULL);
return ret;
}
int BIO_recvmmsg(BIO *b, BIO_MSG *msg,
size_t stride, size_t num_msg, uint64_t flags,
size_t *msgs_processed)
{
size_t ret;
BIO_MMSG_CB_ARGS args;
if (b == NULL) {
*msgs_processed = 0;
ERR_raise(ERR_LIB_BIO, ERR_R_PASSED_NULL_PARAMETER);
return 0;
}
if (b->method == NULL || b->method->brecvmmsg == NULL) {
*msgs_processed = 0;
ERR_raise(ERR_LIB_BIO, BIO_R_UNSUPPORTED_METHOD);
return 0;
}
if (HAS_CALLBACK(b)) {
args.msg = msg;
args.stride = stride;
args.num_msg = num_msg;
args.flags = flags;
args.msgs_processed = msgs_processed;
ret = bio_call_callback(b, BIO_CB_RECVMMSG, (void *)&args,
0, 0, 0, 1, NULL);
if (ret <= 0)
return 0;
}
if (!b->init) {
*msgs_processed = 0;
ERR_raise(ERR_LIB_BIO, BIO_R_UNINITIALIZED);
return 0;
}
ret = b->method->brecvmmsg(b, msg, stride, num_msg, flags, msgs_processed);
if (HAS_CALLBACK(b))
ret = (size_t)bio_call_callback(b, BIO_CB_RECVMMSG | BIO_CB_RETURN,
(void *)&args, ret, 0, 0, ret, NULL);
return ret;
}
int BIO_get_rpoll_descriptor(BIO *b, BIO_POLL_DESCRIPTOR *desc)
{
return BIO_ctrl(b, BIO_CTRL_GET_RPOLL_DESCRIPTOR, 0, desc);
}
int BIO_get_wpoll_descriptor(BIO *b, BIO_POLL_DESCRIPTOR *desc)
{
return BIO_ctrl(b, BIO_CTRL_GET_WPOLL_DESCRIPTOR, 0, desc);
}
int BIO_puts(BIO *b, const char *buf)
{
int ret;
size_t written = 0;
if (b == NULL) {
ERR_raise(ERR_LIB_BIO, ERR_R_PASSED_NULL_PARAMETER);
return -1;
}
if (b->method == NULL || b->method->bputs == NULL) {
ERR_raise(ERR_LIB_BIO, BIO_R_UNSUPPORTED_METHOD);
return -2;
}
if (HAS_CALLBACK(b)) {
ret = (int)bio_call_callback(b, BIO_CB_PUTS, buf, 0, 0, 0L, 1L, NULL);
if (ret <= 0)
return ret;
}
if (!b->init) {
ERR_raise(ERR_LIB_BIO, BIO_R_UNINITIALIZED);
return -1;
}
ret = b->method->bputs(b, buf);
if (ret > 0) {
b->num_write += (uint64_t)ret;
written = ret;
ret = 1;
}
if (HAS_CALLBACK(b))
ret = (int)bio_call_callback(b, BIO_CB_PUTS | BIO_CB_RETURN, buf, 0, 0,
0L, ret, &written);
if (ret > 0) {
if (written > INT_MAX) {
ERR_raise(ERR_LIB_BIO, BIO_R_LENGTH_TOO_LONG);
ret = -1;
} else {
ret = (int)written;
}
}
return ret;
}
int BIO_gets(BIO *b, char *buf, int size)
{
int ret;
size_t readbytes = 0;
if (b == NULL) {
ERR_raise(ERR_LIB_BIO, ERR_R_PASSED_NULL_PARAMETER);
return -1;
}
if (b->method == NULL || b->method->bgets == NULL) {
ERR_raise(ERR_LIB_BIO, BIO_R_UNSUPPORTED_METHOD);
return -2;
}
if (size < 0) {
ERR_raise(ERR_LIB_BIO, BIO_R_INVALID_ARGUMENT);
return -1;
}
if (HAS_CALLBACK(b)) {
ret = (int)bio_call_callback(b, BIO_CB_GETS, buf, size, 0, 0L, 1, NULL);
if (ret <= 0)
return ret;
}
if (!b->init) {
ERR_raise(ERR_LIB_BIO, BIO_R_UNINITIALIZED);
return -1;
}
ret = b->method->bgets(b, buf, size);
if (ret > 0) {
readbytes = ret;
ret = 1;
}
if (HAS_CALLBACK(b))
ret = (int)bio_call_callback(b, BIO_CB_GETS | BIO_CB_RETURN, buf, size,
0, 0L, ret, &readbytes);
if (ret > 0) {
if (readbytes > (size_t)size)
ret = -1;
else
ret = (int)readbytes;
}
return ret;
}
int BIO_get_line(BIO *bio, char *buf, int size)
{
int ret = 0;
char *ptr = buf;
if (buf == NULL) {
ERR_raise(ERR_LIB_BIO, ERR_R_PASSED_NULL_PARAMETER);
return -1;
}
if (size <= 0) {
ERR_raise(ERR_LIB_BIO, BIO_R_INVALID_ARGUMENT);
return -1;
}
*buf = '\0';
if (bio == NULL) {
ERR_raise(ERR_LIB_BIO, ERR_R_PASSED_NULL_PARAMETER);
return -1;
}
if (!bio->init) {
ERR_raise(ERR_LIB_BIO, BIO_R_UNINITIALIZED);
return -1;
}
while (size-- > 1 && (ret = BIO_read(bio, ptr, 1)) > 0)
if (*ptr++ == '\n')
break;
*ptr = '\0';
return ret > 0 || BIO_eof(bio) ? ptr - buf : ret;
}
int BIO_indent(BIO *b, int indent, int max)
{
if (indent < 0)
indent = 0;
if (indent > max)
indent = max;
while (indent--)
if (BIO_puts(b, " ") != 1)
return 0;
return 1;
}
long BIO_int_ctrl(BIO *b, int cmd, long larg, int iarg)
{
int i;
i = iarg;
return BIO_ctrl(b, cmd, larg, (char *)&i);
}
void *BIO_ptr_ctrl(BIO *b, int cmd, long larg)
{
void *p = NULL;
if (BIO_ctrl(b, cmd, larg, (char *)&p) <= 0)
return NULL;
else
return p;
}
long BIO_ctrl(BIO *b, int cmd, long larg, void *parg)
{
long ret;
if (b == NULL)
return -1;
if (b->method == NULL || b->method->ctrl == NULL) {
ERR_raise(ERR_LIB_BIO, BIO_R_UNSUPPORTED_METHOD);
return -2;
}
if (HAS_CALLBACK(b)) {
ret = bio_call_callback(b, BIO_CB_CTRL, parg, 0, cmd, larg, 1L, NULL);
if (ret <= 0)
return ret;
}
ret = b->method->ctrl(b, cmd, larg, parg);
if (HAS_CALLBACK(b))
ret = bio_call_callback(b, BIO_CB_CTRL | BIO_CB_RETURN, parg, 0, cmd,
larg, ret, NULL);
return ret;
}
long BIO_callback_ctrl(BIO *b, int cmd, BIO_info_cb *fp)
{
long ret;
if (b == NULL)
return -2;
if (b->method == NULL || b->method->callback_ctrl == NULL
|| cmd != BIO_CTRL_SET_CALLBACK) {
ERR_raise(ERR_LIB_BIO, BIO_R_UNSUPPORTED_METHOD);
return -2;
}
if (HAS_CALLBACK(b)) {
ret = bio_call_callback(b, BIO_CB_CTRL, (void *)&fp, 0, cmd, 0, 1L,
NULL);
if (ret <= 0)
return ret;
}
ret = b->method->callback_ctrl(b, cmd, fp);
if (HAS_CALLBACK(b))
ret = bio_call_callback(b, BIO_CB_CTRL | BIO_CB_RETURN, (void *)&fp, 0,
cmd, 0, ret, NULL);
return ret;
}
size_t BIO_ctrl_pending(BIO *bio)
{
long ret = BIO_ctrl(bio, BIO_CTRL_PENDING, 0, NULL);
if (ret < 0)
ret = 0;
#if LONG_MAX > SIZE_MAX
if (ret > SIZE_MAX)
ret = SIZE_MAX;
#endif
return (size_t)ret;
}
size_t BIO_ctrl_wpending(BIO *bio)
{
long ret = BIO_ctrl(bio, BIO_CTRL_WPENDING, 0, NULL);
if (ret < 0)
ret = 0;
#if LONG_MAX > SIZE_MAX
if (ret > SIZE_MAX)
ret = SIZE_MAX;
#endif
return (size_t)ret;
}
BIO *BIO_push(BIO *b, BIO *bio)
{
BIO *lb;
if (b == NULL)
return bio;
lb = b;
while (lb->next_bio != NULL)
lb = lb->next_bio;
lb->next_bio = bio;
if (bio != NULL)
bio->prev_bio = lb;
BIO_ctrl(b, BIO_CTRL_PUSH, 0, lb);
return b;
}
BIO *BIO_pop(BIO *b)
{
BIO *ret;
if (b == NULL)
return NULL;
ret = b->next_bio;
BIO_ctrl(b, BIO_CTRL_POP, 0, b);
if (b->prev_bio != NULL)
b->prev_bio->next_bio = b->next_bio;
if (b->next_bio != NULL)
b->next_bio->prev_bio = b->prev_bio;
b->next_bio = NULL;
b->prev_bio = NULL;
return ret;
}
BIO *BIO_get_retry_BIO(BIO *bio, int *reason)
{
BIO *b, *last;
b = last = bio;
for (;;) {
if (!BIO_should_retry(b))
break;
last = b;
b = b->next_bio;
if (b == NULL)
break;
}
if (reason != NULL)
*reason = last->retry_reason;
return last;
}
int BIO_get_retry_reason(BIO *bio)
{
return bio->retry_reason;
}
void BIO_set_retry_reason(BIO *bio, int reason)
{
bio->retry_reason = reason;
}
BIO *BIO_find_type(BIO *bio, int type)
{
int mt, mask;
if (bio == NULL) {
ERR_raise(ERR_LIB_BIO, ERR_R_PASSED_NULL_PARAMETER);
return NULL;
}
mask = type & BIO_TYPE_MASK;
do {
if (bio->method != NULL) {
mt = bio->method->type;
if (!mask) {
if (mt & type)
return bio;
} else if (mt == type) {
return bio;
}
}
bio = bio->next_bio;
} while (bio != NULL);
return NULL;
}
BIO *BIO_next(BIO *b)
{
if (b == NULL)
return NULL;
return b->next_bio;
}
void BIO_set_next(BIO *b, BIO *next)
{
b->next_bio = next;
}
void BIO_free_all(BIO *bio)
{
BIO *b;
int ref;
while (bio != NULL) {
b = bio;
CRYPTO_GET_REF(&b->references, &ref);
bio = bio->next_bio;
BIO_free(b);
if (ref > 1)
break;
}
}
BIO *BIO_dup_chain(BIO *in)
{
BIO *ret = NULL, *eoc = NULL, *bio, *new_bio;
for (bio = in; bio != NULL; bio = bio->next_bio) {
if ((new_bio = BIO_new(bio->method)) == NULL)
goto err;
#ifndef OPENSSL_NO_DEPRECATED_3_0
new_bio->callback = bio->callback;
#endif
new_bio->callback_ex = bio->callback_ex;
new_bio->cb_arg = bio->cb_arg;
new_bio->init = bio->init;
new_bio->shutdown = bio->shutdown;
new_bio->flags = bio->flags;
new_bio->num = bio->num;
if (BIO_dup_state(bio, (char *)new_bio) <= 0) {
BIO_free(new_bio);
goto err;
}
if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_BIO, &new_bio->ex_data,
&bio->ex_data)) {
BIO_free(new_bio);
goto err;
}
if (ret == NULL) {
eoc = new_bio;
ret = eoc;
} else {
BIO_push(eoc, new_bio);
eoc = new_bio;
}
}
return ret;
err:
BIO_free_all(ret);
return NULL;
}
void BIO_copy_next_retry(BIO *b)
{
BIO_set_flags(b, BIO_get_retry_flags(b->next_bio));
b->retry_reason = b->next_bio->retry_reason;
}
int BIO_set_ex_data(BIO *bio, int idx, void *data)
{
return CRYPTO_set_ex_data(&(bio->ex_data), idx, data);
}
void *BIO_get_ex_data(const BIO *bio, int idx)
{
return CRYPTO_get_ex_data(&(bio->ex_data), idx);
}
uint64_t BIO_number_read(BIO *bio)
{
if (bio)
return bio->num_read;
return 0;
}
uint64_t BIO_number_written(BIO *bio)
{
if (bio)
return bio->num_write;
return 0;
}
void bio_free_ex_data(BIO *bio)
{
CRYPTO_free_ex_data(CRYPTO_EX_INDEX_BIO, bio, &bio->ex_data);
}
void bio_cleanup(void)
{
#ifndef OPENSSL_NO_SOCK
bio_sock_cleanup_int();
CRYPTO_THREAD_lock_free(bio_lookup_lock);
bio_lookup_lock = NULL;
#endif
CRYPTO_FREE_REF(&bio_type_count);
}
static int bio_wait(BIO *bio, time_t max_time, unsigned int nap_milliseconds)
{
#ifndef OPENSSL_NO_SOCK
int fd;
#endif
long sec_diff;
if (max_time == 0)
return 1;
#ifndef OPENSSL_NO_SOCK
if (BIO_get_fd(bio, &fd) > 0 && fd < FD_SETSIZE)
return BIO_socket_wait(fd, BIO_should_read(bio), max_time);
#endif
sec_diff = (long)(max_time - time(NULL));
if (sec_diff < 0)
return 0;
if (sec_diff == 0) {
if (nap_milliseconds > 1000)
nap_milliseconds = 1000;
} else {
if ((unsigned long)sec_diff * 1000 < nap_milliseconds)
nap_milliseconds = (unsigned int)sec_diff * 1000;
}
OSSL_sleep(nap_milliseconds);
return 1;
}
int BIO_wait(BIO *bio, time_t max_time, unsigned int nap_milliseconds)
{
int rv = bio_wait(bio, max_time, nap_milliseconds);
if (rv <= 0)
ERR_raise(ERR_LIB_BIO,
rv == 0 ? BIO_R_TRANSFER_TIMEOUT : BIO_R_TRANSFER_ERROR);
return rv;
}
int BIO_do_connect_retry(BIO *bio, int timeout, int nap_milliseconds)
{
int blocking = timeout <= 0;
time_t max_time = timeout > 0 ? time(NULL) + timeout : 0;
int rv;
if (bio == NULL) {
ERR_raise(ERR_LIB_BIO, ERR_R_PASSED_NULL_PARAMETER);
return -1;
}
if (nap_milliseconds < 0)
nap_milliseconds = 100;
BIO_set_nbio(bio, !blocking);
retry:
ERR_set_mark();
rv = BIO_do_connect(bio);
if (rv <= 0) {
int err = ERR_peek_last_error();
int reason = ERR_GET_REASON(err);
int do_retry = BIO_should_retry(bio);
if (ERR_GET_LIB(err) == ERR_LIB_BIO) {
switch (reason) {
case ERR_R_SYS_LIB:
case BIO_R_CONNECT_ERROR:
case BIO_R_NBIO_CONNECT_ERROR:
(void)BIO_reset(bio);
do_retry = 1;
break;
default:
break;
}
}
if (timeout >= 0 && do_retry) {
ERR_pop_to_mark();
rv = bio_wait(bio, max_time, nap_milliseconds);
if (rv > 0)
goto retry;
ERR_raise(ERR_LIB_BIO,
rv == 0 ? BIO_R_CONNECT_TIMEOUT : BIO_R_CONNECT_ERROR);
} else {
ERR_clear_last_mark();
rv = -1;
if (err == 0)
ERR_raise(ERR_LIB_BIO, BIO_R_CONNECT_ERROR);
}
} else {
ERR_clear_last_mark();
}
return rv;
}
| bio | openssl/crypto/bio/bio_lib.c | openssl |
#include <stdio.h>
#include <errno.h>
#include "bio_local.h"
#include "internal/cryptlib.h"
#include <openssl/rand.h>
static int nbiof_write(BIO *h, const char *buf, int num);
static int nbiof_read(BIO *h, char *buf, int size);
static int nbiof_puts(BIO *h, const char *str);
static int nbiof_gets(BIO *h, char *str, int size);
static long nbiof_ctrl(BIO *h, int cmd, long arg1, void *arg2);
static int nbiof_new(BIO *h);
static int nbiof_free(BIO *data);
static long nbiof_callback_ctrl(BIO *h, int cmd, BIO_info_cb *fp);
typedef struct nbio_test_st {
int lrn;
int lwn;
} NBIO_TEST;
static const BIO_METHOD methods_nbiof = {
BIO_TYPE_NBIO_TEST,
"non-blocking IO test filter",
bwrite_conv,
nbiof_write,
bread_conv,
nbiof_read,
nbiof_puts,
nbiof_gets,
nbiof_ctrl,
nbiof_new,
nbiof_free,
nbiof_callback_ctrl,
};
const BIO_METHOD *BIO_f_nbio_test(void)
{
return &methods_nbiof;
}
static int nbiof_new(BIO *bi)
{
NBIO_TEST *nt;
if ((nt = OPENSSL_zalloc(sizeof(*nt))) == NULL)
return 0;
nt->lrn = -1;
nt->lwn = -1;
bi->ptr = (char *)nt;
bi->init = 1;
return 1;
}
static int nbiof_free(BIO *a)
{
if (a == NULL)
return 0;
OPENSSL_free(a->ptr);
a->ptr = NULL;
a->init = 0;
a->flags = 0;
return 1;
}
static int nbiof_read(BIO *b, char *out, int outl)
{
int ret = 0;
int num;
unsigned char n;
if (out == NULL)
return 0;
if (b->next_bio == NULL)
return 0;
BIO_clear_retry_flags(b);
if (RAND_priv_bytes(&n, 1) <= 0)
return -1;
num = (n & 0x07);
if (outl > num)
outl = num;
if (num == 0) {
ret = -1;
BIO_set_retry_read(b);
} else {
ret = BIO_read(b->next_bio, out, outl);
if (ret < 0)
BIO_copy_next_retry(b);
}
return ret;
}
static int nbiof_write(BIO *b, const char *in, int inl)
{
NBIO_TEST *nt;
int ret = 0;
int num;
unsigned char n;
if ((in == NULL) || (inl <= 0))
return 0;
if (b->next_bio == NULL)
return 0;
nt = (NBIO_TEST *)b->ptr;
BIO_clear_retry_flags(b);
if (nt->lwn > 0) {
num = nt->lwn;
nt->lwn = 0;
} else {
if (RAND_priv_bytes(&n, 1) <= 0)
return -1;
num = (n & 7);
}
if (inl > num)
inl = num;
if (num == 0) {
ret = -1;
BIO_set_retry_write(b);
} else {
ret = BIO_write(b->next_bio, in, inl);
if (ret < 0) {
BIO_copy_next_retry(b);
nt->lwn = inl;
}
}
return ret;
}
static long nbiof_ctrl(BIO *b, int cmd, long num, void *ptr)
{
long ret;
if (b->next_bio == NULL)
return 0;
switch (cmd) {
case BIO_C_DO_STATE_MACHINE:
BIO_clear_retry_flags(b);
ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
BIO_copy_next_retry(b);
break;
case BIO_CTRL_DUP:
ret = 0L;
break;
default:
ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
break;
}
return ret;
}
static long nbiof_callback_ctrl(BIO *b, int cmd, BIO_info_cb *fp)
{
if (b->next_bio == NULL)
return 0;
return BIO_callback_ctrl(b->next_bio, cmd, fp);
}
static int nbiof_gets(BIO *bp, char *buf, int size)
{
if (bp->next_bio == NULL)
return 0;
return BIO_gets(bp->next_bio, buf, size);
}
static int nbiof_puts(BIO *bp, const char *str)
{
if (bp->next_bio == NULL)
return 0;
return BIO_puts(bp->next_bio, str);
}
| bio | openssl/crypto/bio/bf_nbio.c | openssl |
#include <stdio.h>
#include <errno.h>
#include "bio_local.h"
#include "internal/cryptlib.h"
static int mem_write(BIO *h, const char *buf, int num);
static int mem_read(BIO *h, char *buf, int size);
static int mem_puts(BIO *h, const char *str);
static int mem_gets(BIO *h, char *str, int size);
static long mem_ctrl(BIO *h, int cmd, long arg1, void *arg2);
static int mem_new(BIO *h);
static int secmem_new(BIO *h);
static int mem_free(BIO *data);
static int mem_buf_free(BIO *data);
static int mem_buf_sync(BIO *h);
static const BIO_METHOD mem_method = {
BIO_TYPE_MEM,
"memory buffer",
bwrite_conv,
mem_write,
bread_conv,
mem_read,
mem_puts,
mem_gets,
mem_ctrl,
mem_new,
mem_free,
NULL,
};
static const BIO_METHOD secmem_method = {
BIO_TYPE_MEM,
"secure memory buffer",
bwrite_conv,
mem_write,
bread_conv,
mem_read,
mem_puts,
mem_gets,
mem_ctrl,
secmem_new,
mem_free,
NULL,
};
typedef struct bio_buf_mem_st {
struct buf_mem_st *buf;
struct buf_mem_st *readp;
} BIO_BUF_MEM;
const BIO_METHOD *BIO_s_mem(void)
{
return &mem_method;
}
const BIO_METHOD *BIO_s_secmem(void)
{
return(&secmem_method);
}
BIO *BIO_new_mem_buf(const void *buf, int len)
{
BIO *ret;
BUF_MEM *b;
BIO_BUF_MEM *bb;
size_t sz;
if (buf == NULL) {
ERR_raise(ERR_LIB_BIO, ERR_R_PASSED_NULL_PARAMETER);
return NULL;
}
sz = (len < 0) ? strlen(buf) : (size_t)len;
if ((ret = BIO_new(BIO_s_mem())) == NULL)
return NULL;
bb = (BIO_BUF_MEM *)ret->ptr;
b = bb->buf;
b->data = (void *)buf;
b->length = sz;
b->max = sz;
*bb->readp = *bb->buf;
ret->flags |= BIO_FLAGS_MEM_RDONLY;
ret->num = 0;
return ret;
}
static int mem_init(BIO *bi, unsigned long flags)
{
BIO_BUF_MEM *bb = OPENSSL_zalloc(sizeof(*bb));
if (bb == NULL)
return 0;
if ((bb->buf = BUF_MEM_new_ex(flags)) == NULL) {
OPENSSL_free(bb);
return 0;
}
if ((bb->readp = OPENSSL_zalloc(sizeof(*bb->readp))) == NULL) {
BUF_MEM_free(bb->buf);
OPENSSL_free(bb);
return 0;
}
*bb->readp = *bb->buf;
bi->shutdown = 1;
bi->init = 1;
bi->num = -1;
bi->ptr = (char *)bb;
return 1;
}
static int mem_new(BIO *bi)
{
return mem_init(bi, 0L);
}
static int secmem_new(BIO *bi)
{
return mem_init(bi, BUF_MEM_FLAG_SECURE);
}
static int mem_free(BIO *a)
{
BIO_BUF_MEM *bb;
if (a == NULL)
return 0;
bb = (BIO_BUF_MEM *)a->ptr;
if (!mem_buf_free(a))
return 0;
OPENSSL_free(bb->readp);
OPENSSL_free(bb);
return 1;
}
static int mem_buf_free(BIO *a)
{
if (a == NULL)
return 0;
if (a->shutdown && a->init && a->ptr != NULL) {
BIO_BUF_MEM *bb = (BIO_BUF_MEM *)a->ptr;
BUF_MEM *b = bb->buf;
if (a->flags & BIO_FLAGS_MEM_RDONLY)
b->data = NULL;
BUF_MEM_free(b);
}
return 1;
}
static int mem_buf_sync(BIO *b)
{
if (b != NULL && b->init != 0 && b->ptr != NULL) {
BIO_BUF_MEM *bbm = (BIO_BUF_MEM *)b->ptr;
if (bbm->readp->data != bbm->buf->data) {
memmove(bbm->buf->data, bbm->readp->data, bbm->readp->length);
bbm->buf->length = bbm->readp->length;
bbm->readp->data = bbm->buf->data;
}
}
return 0;
}
static int mem_read(BIO *b, char *out, int outl)
{
int ret = -1;
BIO_BUF_MEM *bbm = (BIO_BUF_MEM *)b->ptr;
BUF_MEM *bm = bbm->readp;
if (b->flags & BIO_FLAGS_MEM_RDONLY)
bm = bbm->buf;
BIO_clear_retry_flags(b);
ret = (outl >= 0 && (size_t)outl > bm->length) ? (int)bm->length : outl;
if ((out != NULL) && (ret > 0)) {
memcpy(out, bm->data, ret);
bm->length -= ret;
bm->max -= ret;
bm->data += ret;
} else if (bm->length == 0) {
ret = b->num;
if (ret != 0)
BIO_set_retry_read(b);
}
return ret;
}
static int mem_write(BIO *b, const char *in, int inl)
{
int ret = -1;
int blen;
BIO_BUF_MEM *bbm = (BIO_BUF_MEM *)b->ptr;
if (b->flags & BIO_FLAGS_MEM_RDONLY) {
ERR_raise(ERR_LIB_BIO, BIO_R_WRITE_TO_READ_ONLY_BIO);
goto end;
}
BIO_clear_retry_flags(b);
if (inl == 0)
return 0;
if (in == NULL) {
ERR_raise(ERR_LIB_BIO, ERR_R_PASSED_NULL_PARAMETER);
goto end;
}
blen = bbm->readp->length;
mem_buf_sync(b);
if (BUF_MEM_grow_clean(bbm->buf, blen + inl) == 0)
goto end;
memcpy(bbm->buf->data + blen, in, inl);
*bbm->readp = *bbm->buf;
ret = inl;
end:
return ret;
}
static long mem_ctrl(BIO *b, int cmd, long num, void *ptr)
{
long ret = 1;
char **pptr;
BIO_BUF_MEM *bbm = (BIO_BUF_MEM *)b->ptr;
BUF_MEM *bm, *bo;
long off, remain;
if (b->flags & BIO_FLAGS_MEM_RDONLY) {
bm = bbm->buf;
bo = bbm->readp;
} else {
bm = bbm->readp;
bo = bbm->buf;
}
off = (bm->data == bo->data) ? 0 : bm->data - bo->data;
remain = bm->length;
switch (cmd) {
case BIO_CTRL_RESET:
bm = bbm->buf;
if (bm->data != NULL) {
if (!(b->flags & BIO_FLAGS_MEM_RDONLY)) {
if (!(b->flags & BIO_FLAGS_NONCLEAR_RST)) {
memset(bm->data, 0, bm->max);
bm->length = 0;
}
*bbm->readp = *bbm->buf;
} else {
*bbm->buf = *bbm->readp;
}
}
break;
case BIO_C_FILE_SEEK:
if (num < 0 || num > off + remain)
return -1;
bm->data = (num != 0) ? bo->data + num : bo->data;
bm->length = bo->length - num;
bm->max = bo->max - num;
off = num;
case BIO_C_FILE_TELL:
ret = off;
break;
case BIO_CTRL_EOF:
ret = (long)(bm->length == 0);
break;
case BIO_C_SET_BUF_MEM_EOF_RETURN:
b->num = (int)num;
break;
case BIO_CTRL_INFO:
ret = (long)bm->length;
if (ptr != NULL) {
pptr = (char **)ptr;
*pptr = (char *)(bm->data);
}
break;
case BIO_C_SET_BUF_MEM:
mem_buf_free(b);
b->shutdown = (int)num;
bbm->buf = ptr;
*bbm->readp = *bbm->buf;
break;
case BIO_C_GET_BUF_MEM_PTR:
if (ptr != NULL) {
if (!(b->flags & BIO_FLAGS_MEM_RDONLY))
mem_buf_sync(b);
bm = bbm->buf;
pptr = (char **)ptr;
*pptr = (char *)bm;
}
break;
case BIO_CTRL_GET_CLOSE:
ret = (long)b->shutdown;
break;
case BIO_CTRL_SET_CLOSE:
b->shutdown = (int)num;
break;
case BIO_CTRL_WPENDING:
ret = 0L;
break;
case BIO_CTRL_PENDING:
ret = (long)bm->length;
break;
case BIO_CTRL_DUP:
case BIO_CTRL_FLUSH:
ret = 1;
break;
case BIO_CTRL_PUSH:
case BIO_CTRL_POP:
default:
ret = 0;
break;
}
return ret;
}
static int mem_gets(BIO *bp, char *buf, int size)
{
int i, j;
int ret = -1;
char *p;
BIO_BUF_MEM *bbm = (BIO_BUF_MEM *)bp->ptr;
BUF_MEM *bm = bbm->readp;
if (bp->flags & BIO_FLAGS_MEM_RDONLY)
bm = bbm->buf;
BIO_clear_retry_flags(bp);
j = bm->length;
if ((size - 1) < j)
j = size - 1;
if (j <= 0) {
*buf = '\0';
return 0;
}
p = bm->data;
for (i = 0; i < j; i++) {
if (p[i] == '\n') {
i++;
break;
}
}
i = mem_read(bp, buf, i);
if (i > 0)
buf[i] = '\0';
ret = i;
return ret;
}
static int mem_puts(BIO *bp, const char *str)
{
int n, ret;
n = strlen(str);
ret = mem_write(bp, str, n);
return ret;
}
| bio | openssl/crypto/bio/bss_mem.c | openssl |
#include "bio_local.h"
#include "internal/thread_once.h"
CRYPTO_REF_COUNT bio_type_count;
static CRYPTO_ONCE bio_type_init = CRYPTO_ONCE_STATIC_INIT;
DEFINE_RUN_ONCE_STATIC(do_bio_type_init)
{
return CRYPTO_NEW_REF(&bio_type_count, BIO_TYPE_START);
}
int BIO_get_new_index(void)
{
int newval;
if (!RUN_ONCE(&bio_type_init, do_bio_type_init)) {
ERR_raise(ERR_LIB_BIO, ERR_R_CRYPTO_LIB);
return -1;
}
if (!CRYPTO_UP_REF(&bio_type_count, &newval))
return -1;
if (newval > BIO_TYPE_MASK)
return -1;
return newval;
}
BIO_METHOD *BIO_meth_new(int type, const char *name)
{
BIO_METHOD *biom = OPENSSL_zalloc(sizeof(BIO_METHOD));
if (biom == NULL
|| (biom->name = OPENSSL_strdup(name)) == NULL) {
OPENSSL_free(biom);
return NULL;
}
biom->type = type;
return biom;
}
void BIO_meth_free(BIO_METHOD *biom)
{
if (biom != NULL) {
OPENSSL_free(biom->name);
OPENSSL_free(biom);
}
}
int (*BIO_meth_get_write(const BIO_METHOD *biom)) (BIO *, const char *, int)
{
return biom->bwrite_old;
}
int (*BIO_meth_get_write_ex(const BIO_METHOD *biom)) (BIO *, const char *, size_t,
size_t *)
{
return biom->bwrite;
}
int bwrite_conv(BIO *bio, const char *data, size_t datal, size_t *written)
{
int ret;
if (datal > INT_MAX)
datal = INT_MAX;
ret = bio->method->bwrite_old(bio, data, (int)datal);
if (ret <= 0) {
*written = 0;
return ret;
}
*written = (size_t)ret;
return 1;
}
int BIO_meth_set_write(BIO_METHOD *biom,
int (*bwrite) (BIO *, const char *, int))
{
biom->bwrite_old = bwrite;
biom->bwrite = bwrite_conv;
return 1;
}
int BIO_meth_set_write_ex(BIO_METHOD *biom,
int (*bwrite) (BIO *, const char *, size_t, size_t *))
{
biom->bwrite_old = NULL;
biom->bwrite = bwrite;
return 1;
}
int (*BIO_meth_get_read(const BIO_METHOD *biom)) (BIO *, char *, int)
{
return biom->bread_old;
}
int (*BIO_meth_get_read_ex(const BIO_METHOD *biom)) (BIO *, char *, size_t, size_t *)
{
return biom->bread;
}
int bread_conv(BIO *bio, char *data, size_t datal, size_t *readbytes)
{
int ret;
if (datal > INT_MAX)
datal = INT_MAX;
ret = bio->method->bread_old(bio, data, (int)datal);
if (ret <= 0) {
*readbytes = 0;
return ret;
}
*readbytes = (size_t)ret;
return 1;
}
int BIO_meth_set_read(BIO_METHOD *biom,
int (*bread) (BIO *, char *, int))
{
biom->bread_old = bread;
biom->bread = bread_conv;
return 1;
}
int BIO_meth_set_read_ex(BIO_METHOD *biom,
int (*bread) (BIO *, char *, size_t, size_t *))
{
biom->bread_old = NULL;
biom->bread = bread;
return 1;
}
int (*BIO_meth_get_puts(const BIO_METHOD *biom)) (BIO *, const char *)
{
return biom->bputs;
}
int BIO_meth_set_puts(BIO_METHOD *biom,
int (*bputs) (BIO *, const char *))
{
biom->bputs = bputs;
return 1;
}
int (*BIO_meth_get_gets(const BIO_METHOD *biom)) (BIO *, char *, int)
{
return biom->bgets;
}
int BIO_meth_set_gets(BIO_METHOD *biom,
int (*bgets) (BIO *, char *, int))
{
biom->bgets = bgets;
return 1;
}
long (*BIO_meth_get_ctrl(const BIO_METHOD *biom)) (BIO *, int, long, void *)
{
return biom->ctrl;
}
int BIO_meth_set_ctrl(BIO_METHOD *biom,
long (*ctrl) (BIO *, int, long, void *))
{
biom->ctrl = ctrl;
return 1;
}
int (*BIO_meth_get_create(const BIO_METHOD *biom)) (BIO *)
{
return biom->create;
}
int BIO_meth_set_create(BIO_METHOD *biom, int (*create) (BIO *))
{
biom->create = create;
return 1;
}
int (*BIO_meth_get_destroy(const BIO_METHOD *biom)) (BIO *)
{
return biom->destroy;
}
int BIO_meth_set_destroy(BIO_METHOD *biom, int (*destroy) (BIO *))
{
biom->destroy = destroy;
return 1;
}
long (*BIO_meth_get_callback_ctrl(const BIO_METHOD *biom)) (BIO *, int, BIO_info_cb *)
{
return biom->callback_ctrl;
}
int BIO_meth_set_callback_ctrl(BIO_METHOD *biom,
long (*callback_ctrl) (BIO *, int,
BIO_info_cb *))
{
biom->callback_ctrl = callback_ctrl;
return 1;
}
int BIO_meth_set_sendmmsg(BIO_METHOD *biom,
int (*bsendmmsg) (BIO *, BIO_MSG *, size_t, size_t, uint64_t, size_t *))
{
biom->bsendmmsg = bsendmmsg;
return 1;
}
int (*BIO_meth_get_sendmmsg(const BIO_METHOD *biom))(BIO *, BIO_MSG *, size_t, size_t, uint64_t, size_t *) {
return biom->bsendmmsg;
}
int BIO_meth_set_recvmmsg(BIO_METHOD *biom,
int (*brecvmmsg) (BIO *, BIO_MSG *, size_t, size_t, uint64_t, size_t *))
{
biom->brecvmmsg = brecvmmsg;
return 1;
}
int (*BIO_meth_get_recvmmsg(const BIO_METHOD *biom))(BIO *, BIO_MSG *, size_t, size_t, uint64_t, size_t *) {
return biom->brecvmmsg;
}
| bio | openssl/crypto/bio/bio_meth.c | openssl |
#include <stdio.h>
#include <errno.h>
#include "bio_local.h"
#include "internal/cryptlib.h"
#if defined(OPENSSL_SYS_WINCE)
#elif defined(OPENSSL_SYS_WIN32)
#elif defined(__wasi__)
# define NO_SYSLOG
#elif defined(OPENSSL_SYS_VMS)
# include <opcdef.h>
# include <descrip.h>
# include <lib$routines.h>
# include <starlet.h>
# if __INITIAL_POINTER_SIZE && defined _ANSI_C_SOURCE
# if __INITIAL_POINTER_SIZE == 64
# pragma pointer_size save
# pragma pointer_size 32
void *_malloc32(__size_t);
# pragma pointer_size restore
# endif
# endif
#elif defined(__DJGPP__) && defined(OPENSSL_NO_SOCK)
# define NO_SYSLOG
#elif (!defined(MSDOS) || defined(WATT32)) && !defined(OPENSSL_SYS_VXWORKS) && !defined(NO_SYSLOG)
# include <syslog.h>
#endif
#include <openssl/buffer.h>
#include <openssl/err.h>
#ifndef NO_SYSLOG
# if defined(OPENSSL_SYS_WIN32)
# define LOG_EMERG 0
# define LOG_ALERT 1
# define LOG_CRIT 2
# define LOG_ERR 3
# define LOG_WARNING 4
# define LOG_NOTICE 5
# define LOG_INFO 6
# define LOG_DEBUG 7
# define LOG_DAEMON (3<<3)
# elif defined(OPENSSL_SYS_VMS)
# define LOG_EMERG 0
# define LOG_ALERT 1
# define LOG_CRIT 2
# define LOG_ERR 3
# define LOG_WARNING 4
# define LOG_NOTICE 5
# define LOG_INFO 6
# define LOG_DEBUG 7
# define LOG_DAEMON OPC$M_NM_NTWORK
# endif
static int slg_write(BIO *h, const char *buf, int num);
static int slg_puts(BIO *h, const char *str);
static long slg_ctrl(BIO *h, int cmd, long arg1, void *arg2);
static int slg_new(BIO *h);
static int slg_free(BIO *data);
static void xopenlog(BIO *bp, char *name, int level);
static void xsyslog(BIO *bp, int priority, const char *string);
static void xcloselog(BIO *bp);
static const BIO_METHOD methods_slg = {
BIO_TYPE_MEM,
"syslog",
bwrite_conv,
slg_write,
NULL,
NULL,
slg_puts,
NULL,
slg_ctrl,
slg_new,
slg_free,
NULL,
};
const BIO_METHOD *BIO_s_log(void)
{
return &methods_slg;
}
static int slg_new(BIO *bi)
{
bi->init = 1;
bi->num = 0;
bi->ptr = NULL;
xopenlog(bi, "application", LOG_DAEMON);
return 1;
}
static int slg_free(BIO *a)
{
if (a == NULL)
return 0;
xcloselog(a);
return 1;
}
static int slg_write(BIO *b, const char *in, int inl)
{
int ret = inl;
char *buf;
char *pp;
int priority, i;
static const struct {
int strl;
char str[10];
int log_level;
} mapping[] = {
{
6, "PANIC ", LOG_EMERG
},
{
6, "EMERG ", LOG_EMERG
},
{
4, "EMR ", LOG_EMERG
},
{
6, "ALERT ", LOG_ALERT
},
{
4, "ALR ", LOG_ALERT
},
{
5, "CRIT ", LOG_CRIT
},
{
4, "CRI ", LOG_CRIT
},
{
6, "ERROR ", LOG_ERR
},
{
4, "ERR ", LOG_ERR
},
{
8, "WARNING ", LOG_WARNING
},
{
5, "WARN ", LOG_WARNING
},
{
4, "WAR ", LOG_WARNING
},
{
7, "NOTICE ", LOG_NOTICE
},
{
5, "NOTE ", LOG_NOTICE
},
{
4, "NOT ", LOG_NOTICE
},
{
5, "INFO ", LOG_INFO
},
{
4, "INF ", LOG_INFO
},
{
6, "DEBUG ", LOG_DEBUG
},
{
4, "DBG ", LOG_DEBUG
},
{
0, "", LOG_ERR
}
};
if (inl < 0)
return 0;
if ((buf = OPENSSL_malloc(inl + 1)) == NULL)
return 0;
memcpy(buf, in, inl);
buf[inl] = '\0';
i = 0;
while (strncmp(buf, mapping[i].str, mapping[i].strl) != 0)
i++;
priority = mapping[i].log_level;
pp = buf + mapping[i].strl;
xsyslog(b, priority, pp);
OPENSSL_free(buf);
return ret;
}
static long slg_ctrl(BIO *b, int cmd, long num, void *ptr)
{
switch (cmd) {
case BIO_CTRL_SET:
xcloselog(b);
xopenlog(b, ptr, num);
break;
default:
break;
}
return 0;
}
static int slg_puts(BIO *bp, const char *str)
{
int n, ret;
n = strlen(str);
ret = slg_write(bp, str, n);
return ret;
}
# if defined(OPENSSL_SYS_WIN32)
static void xopenlog(BIO *bp, char *name, int level)
{
if (check_winnt())
bp->ptr = RegisterEventSourceA(NULL, name);
else
bp->ptr = NULL;
}
static void xsyslog(BIO *bp, int priority, const char *string)
{
LPCSTR lpszStrings[2];
WORD evtype = EVENTLOG_ERROR_TYPE;
char pidbuf[DECIMAL_SIZE(DWORD) + 4];
if (bp->ptr == NULL)
return;
switch (priority) {
case LOG_EMERG:
case LOG_ALERT:
case LOG_CRIT:
case LOG_ERR:
evtype = EVENTLOG_ERROR_TYPE;
break;
case LOG_WARNING:
evtype = EVENTLOG_WARNING_TYPE;
break;
case LOG_NOTICE:
case LOG_INFO:
case LOG_DEBUG:
evtype = EVENTLOG_INFORMATION_TYPE;
break;
default:
evtype = EVENTLOG_ERROR_TYPE;
break;
}
sprintf(pidbuf, "[%lu] ", GetCurrentProcessId());
lpszStrings[0] = pidbuf;
lpszStrings[1] = string;
ReportEventA(bp->ptr, evtype, 0, 1024, NULL, 2, 0, lpszStrings, NULL);
}
static void xcloselog(BIO *bp)
{
if (bp->ptr)
DeregisterEventSource((HANDLE) (bp->ptr));
bp->ptr = NULL;
}
# elif defined(OPENSSL_SYS_VMS)
static int VMS_OPC_target = LOG_DAEMON;
static void xopenlog(BIO *bp, char *name, int level)
{
VMS_OPC_target = level;
}
static void xsyslog(BIO *bp, int priority, const char *string)
{
struct dsc$descriptor_s opc_dsc;
# if __INITIAL_POINTER_SIZE == 64
# pragma pointer_size save
# pragma pointer_size 32
# define OPCDEF_TYPE __char_ptr32
# define OPCDEF_MALLOC _malloc32
# else
# define OPCDEF_TYPE char *
# define OPCDEF_MALLOC OPENSSL_malloc
# endif
struct opcdef *opcdef_p;
# if __INITIAL_POINTER_SIZE == 64
# pragma pointer_size restore
# endif
char buf[10240];
unsigned int len;
struct dsc$descriptor_s buf_dsc;
$DESCRIPTOR(fao_cmd, "!AZ: !AZ");
char *priority_tag;
switch (priority) {
case LOG_EMERG:
priority_tag = "Emergency";
break;
case LOG_ALERT:
priority_tag = "Alert";
break;
case LOG_CRIT:
priority_tag = "Critical";
break;
case LOG_ERR:
priority_tag = "Error";
break;
case LOG_WARNING:
priority_tag = "Warning";
break;
case LOG_NOTICE:
priority_tag = "Notice";
break;
case LOG_INFO:
priority_tag = "Info";
break;
case LOG_DEBUG:
priority_tag = "DEBUG";
break;
}
buf_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
buf_dsc.dsc$b_class = DSC$K_CLASS_S;
buf_dsc.dsc$a_pointer = buf;
buf_dsc.dsc$w_length = sizeof(buf) - 1;
lib$sys_fao(&fao_cmd, &len, &buf_dsc, priority_tag, string);
opcdef_p = OPCDEF_MALLOC(8 + len);
opcdef_p->opc$b_ms_type = OPC$_RQ_RQST;
memcpy(opcdef_p->opc$z_ms_target_classes, &VMS_OPC_target, 3);
opcdef_p->opc$l_ms_rqstid = 0;
memcpy(&opcdef_p->opc$l_ms_text, buf, len);
opc_dsc.dsc$b_dtype = DSC$K_DTYPE_T;
opc_dsc.dsc$b_class = DSC$K_CLASS_S;
opc_dsc.dsc$a_pointer = (OPCDEF_TYPE) opcdef_p;
opc_dsc.dsc$w_length = len + 8;
sys$sndopr(opc_dsc, 0);
OPENSSL_free(opcdef_p);
}
static void xcloselog(BIO *bp)
{
}
# else
static void xopenlog(BIO *bp, char *name, int level)
{
# ifdef WATT32
openlog(name, LOG_PID | LOG_CONS | LOG_NDELAY, level);
# else
openlog(name, LOG_PID | LOG_CONS, level);
# endif
}
static void xsyslog(BIO *bp, int priority, const char *string)
{
syslog(priority, "%s", string);
}
static void xcloselog(BIO *bp)
{
closelog();
}
# endif
#else
const BIO_METHOD *BIO_s_log(void)
{
return NULL;
}
#endif
| bio | openssl/crypto/bio/bss_log.c | openssl |
#if defined(__linux) || defined(__sun) || defined(__hpux)
# ifndef _FILE_OFFSET_BITS
# define _FILE_OFFSET_BITS 64
# endif
#endif
#include <stdio.h>
#include <errno.h>
#include "bio_local.h"
#include <openssl/err.h>
#if !defined(OPENSSL_NO_STDIO)
static int file_write(BIO *h, const char *buf, int num);
static int file_read(BIO *h, char *buf, int size);
static int file_puts(BIO *h, const char *str);
static int file_gets(BIO *h, char *str, int size);
static long file_ctrl(BIO *h, int cmd, long arg1, void *arg2);
static int file_new(BIO *h);
static int file_free(BIO *data);
static const BIO_METHOD methods_filep = {
BIO_TYPE_FILE,
"FILE pointer",
bwrite_conv,
file_write,
bread_conv,
file_read,
file_puts,
file_gets,
file_ctrl,
file_new,
file_free,
NULL,
};
BIO *BIO_new_file(const char *filename, const char *mode)
{
BIO *ret;
FILE *file = openssl_fopen(filename, mode);
int fp_flags = BIO_CLOSE;
if (strchr(mode, 'b') == NULL)
fp_flags |= BIO_FP_TEXT;
if (file == NULL) {
ERR_raise_data(ERR_LIB_SYS, get_last_sys_error(),
"calling fopen(%s, %s)",
filename, mode);
if (errno == ENOENT
#ifdef ENXIO
|| errno == ENXIO
#endif
)
ERR_raise(ERR_LIB_BIO, BIO_R_NO_SUCH_FILE);
else
ERR_raise(ERR_LIB_BIO, ERR_R_SYS_LIB);
return NULL;
}
if ((ret = BIO_new(BIO_s_file())) == NULL) {
fclose(file);
return NULL;
}
BIO_clear_flags(ret, BIO_FLAGS_UPLINK_INTERNAL);
BIO_set_fp(ret, file, fp_flags);
return ret;
}
BIO *BIO_new_fp(FILE *stream, int close_flag)
{
BIO *ret;
if ((ret = BIO_new(BIO_s_file())) == NULL)
return NULL;
BIO_set_flags(ret, BIO_FLAGS_UPLINK_INTERNAL);
BIO_set_fp(ret, stream, close_flag);
return ret;
}
const BIO_METHOD *BIO_s_file(void)
{
return &methods_filep;
}
static int file_new(BIO *bi)
{
bi->init = 0;
bi->num = 0;
bi->ptr = NULL;
bi->flags = BIO_FLAGS_UPLINK_INTERNAL;
return 1;
}
static int file_free(BIO *a)
{
if (a == NULL)
return 0;
if (a->shutdown) {
if ((a->init) && (a->ptr != NULL)) {
if (a->flags & BIO_FLAGS_UPLINK_INTERNAL)
UP_fclose(a->ptr);
else
fclose(a->ptr);
a->ptr = NULL;
a->flags = BIO_FLAGS_UPLINK_INTERNAL;
}
a->init = 0;
}
return 1;
}
static int file_read(BIO *b, char *out, int outl)
{
int ret = 0;
if (b->init && (out != NULL)) {
if (b->flags & BIO_FLAGS_UPLINK_INTERNAL)
ret = UP_fread(out, 1, (int)outl, b->ptr);
else
ret = fread(out, 1, (int)outl, (FILE *)b->ptr);
if (ret == 0
&& (b->flags & BIO_FLAGS_UPLINK_INTERNAL
? UP_ferror((FILE *)b->ptr) : ferror((FILE *)b->ptr))) {
ERR_raise_data(ERR_LIB_SYS, get_last_sys_error(),
"calling fread()");
ERR_raise(ERR_LIB_BIO, ERR_R_SYS_LIB);
ret = -1;
}
}
return ret;
}
static int file_write(BIO *b, const char *in, int inl)
{
int ret = 0;
if (b->init && (in != NULL)) {
if (b->flags & BIO_FLAGS_UPLINK_INTERNAL)
ret = UP_fwrite(in, (int)inl, 1, b->ptr);
else
ret = fwrite(in, (int)inl, 1, (FILE *)b->ptr);
if (ret)
ret = inl;
}
return ret;
}
static long file_ctrl(BIO *b, int cmd, long num, void *ptr)
{
long ret = 1;
FILE *fp = (FILE *)b->ptr;
FILE **fpp;
char p[4];
int st;
switch (cmd) {
case BIO_C_FILE_SEEK:
case BIO_CTRL_RESET:
if (b->flags & BIO_FLAGS_UPLINK_INTERNAL)
ret = (long)UP_fseek(b->ptr, num, 0);
else
ret = (long)fseek(fp, num, 0);
break;
case BIO_CTRL_EOF:
if (b->flags & BIO_FLAGS_UPLINK_INTERNAL)
ret = (long)UP_feof(fp);
else
ret = (long)feof(fp);
break;
case BIO_C_FILE_TELL:
case BIO_CTRL_INFO:
if (b->flags & BIO_FLAGS_UPLINK_INTERNAL)
ret = UP_ftell(b->ptr);
else
ret = ftell(fp);
break;
case BIO_C_SET_FILE_PTR:
file_free(b);
b->shutdown = (int)num & BIO_CLOSE;
b->ptr = ptr;
b->init = 1;
# if BIO_FLAGS_UPLINK_INTERNAL!=0
# if defined(__MINGW32__) && defined(__MSVCRT__) && !defined(_IOB_ENTRIES)
# define _IOB_ENTRIES 20
# endif
# if (defined(_MSC_VER) && _MSC_VER>=1900) || defined(__BORLANDC__)
if (ptr == stdin || ptr == stdout || ptr == stderr)
BIO_clear_flags(b, BIO_FLAGS_UPLINK_INTERNAL);
# elif defined(_IOB_ENTRIES)
if ((size_t)ptr >= (size_t)stdin &&
(size_t)ptr < (size_t)(stdin + _IOB_ENTRIES))
BIO_clear_flags(b, BIO_FLAGS_UPLINK_INTERNAL);
# endif
# endif
# ifdef UP_fsetmod
if (b->flags & BIO_FLAGS_UPLINK_INTERNAL)
UP_fsetmod(b->ptr, (char)((num & BIO_FP_TEXT) ? 't' : 'b'));
else
# endif
{
# if defined(OPENSSL_SYS_WINDOWS)
int fd = _fileno((FILE *)ptr);
if (num & BIO_FP_TEXT)
_setmode(fd, _O_TEXT);
else
_setmode(fd, _O_BINARY);
if ((num & BIO_FP_TEXT) != 0)
setvbuf((FILE *)ptr, NULL, _IONBF, 0);
# elif defined(OPENSSL_SYS_MSDOS)
int fd = fileno((FILE *)ptr);
if (num & BIO_FP_TEXT)
_setmode(fd, _O_TEXT);
else {
if (fd == STDIN_FILENO || fd == STDOUT_FILENO) {
if (isatty(fd) <= 0)
_setmode(fd, _O_BINARY);
} else
_setmode(fd, _O_BINARY);
}
# elif defined(OPENSSL_SYS_WIN32_CYGWIN)
int fd = fileno((FILE *)ptr);
if (!(num & BIO_FP_TEXT))
setmode(fd, O_BINARY);
# endif
}
break;
case BIO_C_SET_FILENAME:
file_free(b);
b->shutdown = (int)num & BIO_CLOSE;
if (num & BIO_FP_APPEND) {
if (num & BIO_FP_READ)
OPENSSL_strlcpy(p, "a+", sizeof(p));
else
OPENSSL_strlcpy(p, "a", sizeof(p));
} else if ((num & BIO_FP_READ) && (num & BIO_FP_WRITE))
OPENSSL_strlcpy(p, "r+", sizeof(p));
else if (num & BIO_FP_WRITE)
OPENSSL_strlcpy(p, "w", sizeof(p));
else if (num & BIO_FP_READ)
OPENSSL_strlcpy(p, "r", sizeof(p));
else {
ERR_raise(ERR_LIB_BIO, BIO_R_BAD_FOPEN_MODE);
ret = 0;
break;
}
# if defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_WINDOWS)
if (!(num & BIO_FP_TEXT))
OPENSSL_strlcat(p, "b", sizeof(p));
else
OPENSSL_strlcat(p, "t", sizeof(p));
# elif defined(OPENSSL_SYS_WIN32_CYGWIN)
if (!(num & BIO_FP_TEXT))
OPENSSL_strlcat(p, "b", sizeof(p));
# endif
fp = openssl_fopen(ptr, p);
if (fp == NULL) {
ERR_raise_data(ERR_LIB_SYS, get_last_sys_error(),
"calling fopen(%s, %s)",
ptr, p);
ERR_raise(ERR_LIB_BIO, ERR_R_SYS_LIB);
ret = 0;
break;
}
b->ptr = fp;
b->init = 1;
BIO_clear_flags(b, BIO_FLAGS_UPLINK_INTERNAL);
break;
case BIO_C_GET_FILE_PTR:
if (ptr != NULL) {
fpp = (FILE **)ptr;
*fpp = (FILE *)b->ptr;
}
break;
case BIO_CTRL_GET_CLOSE:
ret = (long)b->shutdown;
break;
case BIO_CTRL_SET_CLOSE:
b->shutdown = (int)num;
break;
case BIO_CTRL_FLUSH:
st = b->flags & BIO_FLAGS_UPLINK_INTERNAL
? UP_fflush(b->ptr) : fflush((FILE *)b->ptr);
if (st == EOF) {
ERR_raise_data(ERR_LIB_SYS, get_last_sys_error(),
"calling fflush()");
ERR_raise(ERR_LIB_BIO, ERR_R_SYS_LIB);
ret = 0;
}
break;
case BIO_CTRL_DUP:
ret = 1;
break;
case BIO_CTRL_WPENDING:
case BIO_CTRL_PENDING:
case BIO_CTRL_PUSH:
case BIO_CTRL_POP:
default:
ret = 0;
break;
}
return ret;
}
static int file_gets(BIO *bp, char *buf, int size)
{
int ret = 0;
buf[0] = '\0';
if (bp->flags & BIO_FLAGS_UPLINK_INTERNAL) {
if (!UP_fgets(buf, size, bp->ptr))
goto err;
} else {
if (!fgets(buf, size, (FILE *)bp->ptr))
goto err;
}
if (buf[0] != '\0')
ret = strlen(buf);
err:
return ret;
}
static int file_puts(BIO *bp, const char *str)
{
int n, ret;
n = strlen(str);
ret = file_write(bp, str, n);
return ret;
}
#else
static int file_write(BIO *b, const char *in, int inl)
{
return -1;
}
static int file_read(BIO *b, char *out, int outl)
{
return -1;
}
static int file_puts(BIO *bp, const char *str)
{
return -1;
}
static int file_gets(BIO *bp, char *buf, int size)
{
return 0;
}
static long file_ctrl(BIO *b, int cmd, long num, void *ptr)
{
return 0;
}
static int file_new(BIO *bi)
{
return 0;
}
static int file_free(BIO *a)
{
return 0;
}
static const BIO_METHOD methods_filep = {
BIO_TYPE_FILE,
"FILE pointer",
bwrite_conv,
file_write,
bread_conv,
file_read,
file_puts,
file_gets,
file_ctrl,
file_new,
file_free,
NULL,
};
const BIO_METHOD *BIO_s_file(void)
{
return &methods_filep;
}
BIO *BIO_new_file(const char *filename, const char *mode)
{
return NULL;
}
#endif
| bio | openssl/crypto/bio/bss_file.c | openssl |
#include <openssl/err.h>
#include <openssl/bioerr.h>
#include "crypto/bioerr.h"
#ifndef OPENSSL_NO_ERR
static const ERR_STRING_DATA BIO_str_reasons[] = {
{ERR_PACK(ERR_LIB_BIO, 0, BIO_R_ACCEPT_ERROR), "accept error"},
{ERR_PACK(ERR_LIB_BIO, 0, BIO_R_ADDRINFO_ADDR_IS_NOT_AF_INET),
"addrinfo addr is not af inet"},
{ERR_PACK(ERR_LIB_BIO, 0, BIO_R_AMBIGUOUS_HOST_OR_SERVICE),
"ambiguous host or service"},
{ERR_PACK(ERR_LIB_BIO, 0, BIO_R_BAD_FOPEN_MODE), "bad fopen mode"},
{ERR_PACK(ERR_LIB_BIO, 0, BIO_R_BROKEN_PIPE), "broken pipe"},
{ERR_PACK(ERR_LIB_BIO, 0, BIO_R_CONNECT_ERROR), "connect error"},
{ERR_PACK(ERR_LIB_BIO, 0, BIO_R_CONNECT_TIMEOUT), "connect timeout"},
{ERR_PACK(ERR_LIB_BIO, 0, BIO_R_GETHOSTBYNAME_ADDR_IS_NOT_AF_INET),
"gethostbyname addr is not af inet"},
{ERR_PACK(ERR_LIB_BIO, 0, BIO_R_GETSOCKNAME_ERROR), "getsockname error"},
{ERR_PACK(ERR_LIB_BIO, 0, BIO_R_GETSOCKNAME_TRUNCATED_ADDRESS),
"getsockname truncated address"},
{ERR_PACK(ERR_LIB_BIO, 0, BIO_R_GETTING_SOCKTYPE), "getting socktype"},
{ERR_PACK(ERR_LIB_BIO, 0, BIO_R_INVALID_ARGUMENT), "invalid argument"},
{ERR_PACK(ERR_LIB_BIO, 0, BIO_R_INVALID_SOCKET), "invalid socket"},
{ERR_PACK(ERR_LIB_BIO, 0, BIO_R_IN_USE), "in use"},
{ERR_PACK(ERR_LIB_BIO, 0, BIO_R_LENGTH_TOO_LONG), "length too long"},
{ERR_PACK(ERR_LIB_BIO, 0, BIO_R_LISTEN_V6_ONLY), "listen v6 only"},
{ERR_PACK(ERR_LIB_BIO, 0, BIO_R_LOOKUP_RETURNED_NOTHING),
"lookup returned nothing"},
{ERR_PACK(ERR_LIB_BIO, 0, BIO_R_MALFORMED_HOST_OR_SERVICE),
"malformed host or service"},
{ERR_PACK(ERR_LIB_BIO, 0, BIO_R_NBIO_CONNECT_ERROR), "nbio connect error"},
{ERR_PACK(ERR_LIB_BIO, 0, BIO_R_NO_ACCEPT_ADDR_OR_SERVICE_SPECIFIED),
"no accept addr or service specified"},
{ERR_PACK(ERR_LIB_BIO, 0, BIO_R_NO_HOSTNAME_OR_SERVICE_SPECIFIED),
"no hostname or service specified"},
{ERR_PACK(ERR_LIB_BIO, 0, BIO_R_NO_PORT_DEFINED), "no port defined"},
{ERR_PACK(ERR_LIB_BIO, 0, BIO_R_NO_SUCH_FILE), "no such file"},
{ERR_PACK(ERR_LIB_BIO, 0, BIO_R_PORT_MISMATCH), "port mismatch"},
{ERR_PACK(ERR_LIB_BIO, 0, BIO_R_TFO_DISABLED), "tfo disabled"},
{ERR_PACK(ERR_LIB_BIO, 0, BIO_R_TFO_NO_KERNEL_SUPPORT),
"tfo no kernel support"},
{ERR_PACK(ERR_LIB_BIO, 0, BIO_R_TRANSFER_ERROR), "transfer error"},
{ERR_PACK(ERR_LIB_BIO, 0, BIO_R_TRANSFER_TIMEOUT), "transfer timeout"},
{ERR_PACK(ERR_LIB_BIO, 0, BIO_R_UNABLE_TO_BIND_SOCKET),
"unable to bind socket"},
{ERR_PACK(ERR_LIB_BIO, 0, BIO_R_UNABLE_TO_CREATE_SOCKET),
"unable to create socket"},
{ERR_PACK(ERR_LIB_BIO, 0, BIO_R_UNABLE_TO_KEEPALIVE),
"unable to keepalive"},
{ERR_PACK(ERR_LIB_BIO, 0, BIO_R_UNABLE_TO_LISTEN_SOCKET),
"unable to listen socket"},
{ERR_PACK(ERR_LIB_BIO, 0, BIO_R_UNABLE_TO_NODELAY), "unable to nodelay"},
{ERR_PACK(ERR_LIB_BIO, 0, BIO_R_UNABLE_TO_REUSEADDR),
"unable to reuseaddr"},
{ERR_PACK(ERR_LIB_BIO, 0, BIO_R_UNABLE_TO_TFO), "unable to tfo"},
{ERR_PACK(ERR_LIB_BIO, 0, BIO_R_UNAVAILABLE_IP_FAMILY),
"unavailable ip family"},
{ERR_PACK(ERR_LIB_BIO, 0, BIO_R_UNINITIALIZED), "uninitialized"},
{ERR_PACK(ERR_LIB_BIO, 0, BIO_R_UNKNOWN_INFO_TYPE), "unknown info type"},
{ERR_PACK(ERR_LIB_BIO, 0, BIO_R_UNSUPPORTED_IP_FAMILY),
"unsupported ip family"},
{ERR_PACK(ERR_LIB_BIO, 0, BIO_R_UNSUPPORTED_METHOD), "unsupported method"},
{ERR_PACK(ERR_LIB_BIO, 0, BIO_R_UNSUPPORTED_PROTOCOL_FAMILY),
"unsupported protocol family"},
{ERR_PACK(ERR_LIB_BIO, 0, BIO_R_WRITE_TO_READ_ONLY_BIO),
"write to read only BIO"},
{ERR_PACK(ERR_LIB_BIO, 0, BIO_R_WSASTARTUP), "WSAStartup"},
{ERR_PACK(ERR_LIB_BIO, 0, BIO_R_LOCAL_ADDR_NOT_AVAILABLE),
"local address not available"},
{ERR_PACK(ERR_LIB_BIO, 0, BIO_R_PEER_ADDR_NOT_AVAILABLE),
"peer address not available"},
{ERR_PACK(ERR_LIB_BIO, 0, BIO_R_NON_FATAL),
"non-fatal or transient error"},
{ERR_PACK(ERR_LIB_BIO, 0, BIO_R_PORT_MISMATCH),
"port mismatch"},
{0, NULL}
};
#endif
int ossl_err_load_BIO_strings(void)
{
#ifndef OPENSSL_NO_ERR
if (ERR_reason_error_string(BIO_str_reasons[0].error) == NULL)
ERR_load_strings_const(BIO_str_reasons);
#endif
return 1;
}
#ifndef OPENSSL_NO_SOCK
int BIO_err_is_non_fatal(unsigned int errcode)
{
if (ERR_SYSTEM_ERROR(errcode))
return BIO_sock_non_fatal_error(ERR_GET_REASON(errcode));
else if (ERR_GET_LIB(errcode) == ERR_LIB_BIO
&& ERR_GET_REASON(errcode) == BIO_R_NON_FATAL)
return 1;
else
return 0;
}
#endif
| bio | openssl/crypto/bio/bio_err.c | openssl |
#include <openssl/core_dispatch.h>
#include "bio_local.h"
#include "internal/cryptlib.h"
#include "crypto/context.h"
typedef struct {
OSSL_FUNC_BIO_read_ex_fn *c_bio_read_ex;
OSSL_FUNC_BIO_write_ex_fn *c_bio_write_ex;
OSSL_FUNC_BIO_gets_fn *c_bio_gets;
OSSL_FUNC_BIO_puts_fn *c_bio_puts;
OSSL_FUNC_BIO_ctrl_fn *c_bio_ctrl;
OSSL_FUNC_BIO_up_ref_fn *c_bio_up_ref;
OSSL_FUNC_BIO_free_fn *c_bio_free;
} BIO_CORE_GLOBALS;
void ossl_bio_core_globals_free(void *vbcg)
{
OPENSSL_free(vbcg);
}
void *ossl_bio_core_globals_new(OSSL_LIB_CTX *ctx)
{
return OPENSSL_zalloc(sizeof(BIO_CORE_GLOBALS));
}
static ossl_inline BIO_CORE_GLOBALS *get_globals(OSSL_LIB_CTX *libctx)
{
return ossl_lib_ctx_get_data(libctx, OSSL_LIB_CTX_BIO_CORE_INDEX);
}
static int bio_core_read_ex(BIO *bio, char *data, size_t data_len,
size_t *bytes_read)
{
BIO_CORE_GLOBALS *bcgbl = get_globals(bio->libctx);
if (bcgbl == NULL || bcgbl->c_bio_read_ex == NULL)
return 0;
return bcgbl->c_bio_read_ex(BIO_get_data(bio), data, data_len, bytes_read);
}
static int bio_core_write_ex(BIO *bio, const char *data, size_t data_len,
size_t *written)
{
BIO_CORE_GLOBALS *bcgbl = get_globals(bio->libctx);
if (bcgbl == NULL || bcgbl->c_bio_write_ex == NULL)
return 0;
return bcgbl->c_bio_write_ex(BIO_get_data(bio), data, data_len, written);
}
static long bio_core_ctrl(BIO *bio, int cmd, long num, void *ptr)
{
BIO_CORE_GLOBALS *bcgbl = get_globals(bio->libctx);
if (bcgbl == NULL || bcgbl->c_bio_ctrl == NULL)
return -1;
return bcgbl->c_bio_ctrl(BIO_get_data(bio), cmd, num, ptr);
}
static int bio_core_gets(BIO *bio, char *buf, int size)
{
BIO_CORE_GLOBALS *bcgbl = get_globals(bio->libctx);
if (bcgbl == NULL || bcgbl->c_bio_gets == NULL)
return -1;
return bcgbl->c_bio_gets(BIO_get_data(bio), buf, size);
}
static int bio_core_puts(BIO *bio, const char *str)
{
BIO_CORE_GLOBALS *bcgbl = get_globals(bio->libctx);
if (bcgbl == NULL || bcgbl->c_bio_puts == NULL)
return -1;
return bcgbl->c_bio_puts(BIO_get_data(bio), str);
}
static int bio_core_new(BIO *bio)
{
BIO_set_init(bio, 1);
return 1;
}
static int bio_core_free(BIO *bio)
{
BIO_CORE_GLOBALS *bcgbl = get_globals(bio->libctx);
if (bcgbl == NULL)
return 0;
BIO_set_init(bio, 0);
bcgbl->c_bio_free(BIO_get_data(bio));
return 1;
}
static const BIO_METHOD corebiometh = {
BIO_TYPE_CORE_TO_PROV,
"BIO to Core filter",
bio_core_write_ex,
NULL,
bio_core_read_ex,
NULL,
bio_core_puts,
bio_core_gets,
bio_core_ctrl,
bio_core_new,
bio_core_free,
NULL,
};
const BIO_METHOD *BIO_s_core(void)
{
return &corebiometh;
}
BIO *BIO_new_from_core_bio(OSSL_LIB_CTX *libctx, OSSL_CORE_BIO *corebio)
{
BIO *outbio;
BIO_CORE_GLOBALS *bcgbl = get_globals(libctx);
if (bcgbl == NULL || (bcgbl->c_bio_write_ex == NULL && bcgbl->c_bio_read_ex == NULL))
return NULL;
if ((outbio = BIO_new_ex(libctx, BIO_s_core())) == NULL)
return NULL;
if (!bcgbl->c_bio_up_ref(corebio)) {
BIO_free(outbio);
return NULL;
}
BIO_set_data(outbio, corebio);
return outbio;
}
int ossl_bio_init_core(OSSL_LIB_CTX *libctx, const OSSL_DISPATCH *fns)
{
BIO_CORE_GLOBALS *bcgbl = get_globals(libctx);
if (bcgbl == NULL)
return 0;
for (; fns->function_id != 0; fns++) {
switch (fns->function_id) {
case OSSL_FUNC_BIO_READ_EX:
if (bcgbl->c_bio_read_ex == NULL)
bcgbl->c_bio_read_ex = OSSL_FUNC_BIO_read_ex(fns);
break;
case OSSL_FUNC_BIO_WRITE_EX:
if (bcgbl->c_bio_write_ex == NULL)
bcgbl->c_bio_write_ex = OSSL_FUNC_BIO_write_ex(fns);
break;
case OSSL_FUNC_BIO_GETS:
if (bcgbl->c_bio_gets == NULL)
bcgbl->c_bio_gets = OSSL_FUNC_BIO_gets(fns);
break;
case OSSL_FUNC_BIO_PUTS:
if (bcgbl->c_bio_puts == NULL)
bcgbl->c_bio_puts = OSSL_FUNC_BIO_puts(fns);
break;
case OSSL_FUNC_BIO_CTRL:
if (bcgbl->c_bio_ctrl == NULL)
bcgbl->c_bio_ctrl = OSSL_FUNC_BIO_ctrl(fns);
break;
case OSSL_FUNC_BIO_UP_REF:
if (bcgbl->c_bio_up_ref == NULL)
bcgbl->c_bio_up_ref = OSSL_FUNC_BIO_up_ref(fns);
break;
case OSSL_FUNC_BIO_FREE:
if (bcgbl->c_bio_free == NULL)
bcgbl->c_bio_free = OSSL_FUNC_BIO_free(fns);
break;
}
}
return 1;
}
| bio | openssl/crypto/bio/bss_core.c | openssl |
#include <stdio.h>
#include <errno.h>
#include "bio_local.h"
#include "internal/bio_tfo.h"
#include "internal/cryptlib.h"
#include "internal/ktls.h"
#ifndef OPENSSL_NO_SOCK
# include <openssl/bio.h>
# ifdef WATT32
# undef sock_write
# undef sock_read
# undef sock_puts
# define sock_write SockWrite
# define sock_read SockRead
# define sock_puts SockPuts
# endif
struct bss_sock_st {
BIO_ADDR tfo_peer;
int tfo_first;
#ifndef OPENSSL_NO_KTLS
unsigned char ktls_record_type;
#endif
};
static int sock_write(BIO *h, const char *buf, int num);
static int sock_read(BIO *h, char *buf, int size);
static int sock_puts(BIO *h, const char *str);
static long sock_ctrl(BIO *h, int cmd, long arg1, void *arg2);
static int sock_new(BIO *h);
static int sock_free(BIO *data);
int BIO_sock_should_retry(int s);
static const BIO_METHOD methods_sockp = {
BIO_TYPE_SOCKET,
"socket",
bwrite_conv,
sock_write,
bread_conv,
sock_read,
sock_puts,
NULL,
sock_ctrl,
sock_new,
sock_free,
NULL,
};
const BIO_METHOD *BIO_s_socket(void)
{
return &methods_sockp;
}
BIO *BIO_new_socket(int fd, int close_flag)
{
BIO *ret;
ret = BIO_new(BIO_s_socket());
if (ret == NULL)
return NULL;
BIO_set_fd(ret, fd, close_flag);
# ifndef OPENSSL_NO_KTLS
{
ktls_enable(fd);
}
# endif
return ret;
}
static int sock_new(BIO *bi)
{
bi->init = 0;
bi->num = 0;
bi->flags = 0;
bi->ptr = OPENSSL_zalloc(sizeof(struct bss_sock_st));
if (bi->ptr == NULL)
return 0;
return 1;
}
static int sock_free(BIO *a)
{
if (a == NULL)
return 0;
if (a->shutdown) {
if (a->init) {
BIO_closesocket(a->num);
}
a->init = 0;
a->flags = 0;
}
OPENSSL_free(a->ptr);
a->ptr = NULL;
return 1;
}
static int sock_read(BIO *b, char *out, int outl)
{
int ret = 0;
if (out != NULL) {
clear_socket_error();
# ifndef OPENSSL_NO_KTLS
if (BIO_get_ktls_recv(b))
ret = ktls_read_record(b->num, out, outl);
else
# endif
ret = readsocket(b->num, out, outl);
BIO_clear_retry_flags(b);
if (ret <= 0) {
if (BIO_sock_should_retry(ret))
BIO_set_retry_read(b);
else if (ret == 0)
b->flags |= BIO_FLAGS_IN_EOF;
}
}
return ret;
}
static int sock_write(BIO *b, const char *in, int inl)
{
int ret = 0;
# if !defined(OPENSSL_NO_KTLS) || defined(OSSL_TFO_SENDTO)
struct bss_sock_st *data = (struct bss_sock_st *)b->ptr;
# endif
clear_socket_error();
# ifndef OPENSSL_NO_KTLS
if (BIO_should_ktls_ctrl_msg_flag(b)) {
unsigned char record_type = data->ktls_record_type;
ret = ktls_send_ctrl_message(b->num, record_type, in, inl);
if (ret >= 0) {
ret = inl;
BIO_clear_ktls_ctrl_msg_flag(b);
}
} else
# endif
# if defined(OSSL_TFO_SENDTO)
if (data->tfo_first) {
struct bss_sock_st *data = (struct bss_sock_st *)b->ptr;
socklen_t peerlen = BIO_ADDR_sockaddr_size(&data->tfo_peer);
ret = sendto(b->num, in, inl, OSSL_TFO_SENDTO,
BIO_ADDR_sockaddr(&data->tfo_peer), peerlen);
data->tfo_first = 0;
} else
# endif
ret = writesocket(b->num, in, inl);
BIO_clear_retry_flags(b);
if (ret <= 0) {
if (BIO_sock_should_retry(ret))
BIO_set_retry_write(b);
}
return ret;
}
static long sock_ctrl(BIO *b, int cmd, long num, void *ptr)
{
long ret = 1;
int *ip;
struct bss_sock_st *data = (struct bss_sock_st *)b->ptr;
# ifndef OPENSSL_NO_KTLS
ktls_crypto_info_t *crypto_info;
# endif
switch (cmd) {
case BIO_C_SET_FD:
if (b->shutdown) {
if (b->init)
BIO_closesocket(b->num);
b->flags = 0;
}
b->num = *((int *)ptr);
b->shutdown = (int)num;
b->init = 1;
data->tfo_first = 0;
memset(&data->tfo_peer, 0, sizeof(data->tfo_peer));
break;
case BIO_C_GET_FD:
if (b->init) {
ip = (int *)ptr;
if (ip != NULL)
*ip = b->num;
ret = b->num;
} else
ret = -1;
break;
case BIO_CTRL_GET_CLOSE:
ret = b->shutdown;
break;
case BIO_CTRL_SET_CLOSE:
b->shutdown = (int)num;
break;
case BIO_CTRL_DUP:
case BIO_CTRL_FLUSH:
ret = 1;
break;
case BIO_CTRL_GET_RPOLL_DESCRIPTOR:
case BIO_CTRL_GET_WPOLL_DESCRIPTOR:
{
BIO_POLL_DESCRIPTOR *pd = ptr;
if (!b->init) {
ret = 0;
break;
}
pd->type = BIO_POLL_DESCRIPTOR_TYPE_SOCK_FD;
pd->value.fd = b->num;
}
break;
# ifndef OPENSSL_NO_KTLS
case BIO_CTRL_SET_KTLS:
crypto_info = (ktls_crypto_info_t *)ptr;
ret = ktls_start(b->num, crypto_info, num);
if (ret)
BIO_set_ktls_flag(b, num);
break;
case BIO_CTRL_GET_KTLS_SEND:
return BIO_should_ktls_flag(b, 1) != 0;
case BIO_CTRL_GET_KTLS_RECV:
return BIO_should_ktls_flag(b, 0) != 0;
case BIO_CTRL_SET_KTLS_TX_SEND_CTRL_MSG:
BIO_set_ktls_ctrl_msg_flag(b);
data->ktls_record_type = (unsigned char)num;
ret = 0;
break;
case BIO_CTRL_CLEAR_KTLS_TX_CTRL_MSG:
BIO_clear_ktls_ctrl_msg_flag(b);
ret = 0;
break;
case BIO_CTRL_SET_KTLS_TX_ZEROCOPY_SENDFILE:
ret = ktls_enable_tx_zerocopy_sendfile(b->num);
if (ret)
BIO_set_ktls_zerocopy_sendfile_flag(b);
break;
# endif
case BIO_CTRL_EOF:
ret = (b->flags & BIO_FLAGS_IN_EOF) != 0;
break;
case BIO_C_GET_CONNECT:
if (ptr != NULL && num == 2) {
const char **pptr = (const char **)ptr;
*pptr = (const char *)&data->tfo_peer;
} else {
ret = 0;
}
break;
case BIO_C_SET_CONNECT:
if (ptr != NULL && num == 2) {
ret = BIO_ADDR_make(&data->tfo_peer,
BIO_ADDR_sockaddr((const BIO_ADDR *)ptr));
if (ret)
data->tfo_first = 1;
} else {
ret = 0;
}
break;
default:
ret = 0;
break;
}
return ret;
}
static int sock_puts(BIO *bp, const char *str)
{
int n, ret;
n = strlen(str);
ret = sock_write(bp, str, n);
return ret;
}
int BIO_sock_should_retry(int i)
{
int err;
if ((i == 0) || (i == -1)) {
err = get_last_socket_error();
return BIO_sock_non_fatal_error(err);
}
return 0;
}
int BIO_sock_non_fatal_error(int err)
{
switch (err) {
# if defined(OPENSSL_SYS_WINDOWS)
# if defined(WSAEWOULDBLOCK)
case WSAEWOULDBLOCK:
# endif
# endif
# ifdef EWOULDBLOCK
# ifdef WSAEWOULDBLOCK
# if WSAEWOULDBLOCK != EWOULDBLOCK
case EWOULDBLOCK:
# endif
# else
case EWOULDBLOCK:
# endif
# endif
# if defined(ENOTCONN)
case ENOTCONN:
# endif
# ifdef EINTR
case EINTR:
# endif
# ifdef EAGAIN
# if EWOULDBLOCK != EAGAIN
case EAGAIN:
# endif
# endif
# ifdef EPROTO
case EPROTO:
# endif
# ifdef EINPROGRESS
case EINPROGRESS:
# endif
# ifdef EALREADY
case EALREADY:
# endif
return 1;
default:
break;
}
return 0;
}
#endif
| bio | openssl/crypto/bio/bss_sock.c | openssl |
#include "internal/e_os.h"
#include <assert.h>
#include <limits.h>
#include <stdlib.h>
#include <string.h>
#include "bio_local.h"
#include <openssl/err.h>
#include <openssl/crypto.h>
static int bio_new(BIO *bio);
static int bio_free(BIO *bio);
static int bio_read(BIO *bio, char *buf, int size);
static int bio_write(BIO *bio, const char *buf, int num);
static long bio_ctrl(BIO *bio, int cmd, long num, void *ptr);
static int bio_puts(BIO *bio, const char *str);
static int bio_make_pair(BIO *bio1, BIO *bio2);
static void bio_destroy_pair(BIO *bio);
static const BIO_METHOD methods_biop = {
BIO_TYPE_BIO,
"BIO pair",
bwrite_conv,
bio_write,
bread_conv,
bio_read,
bio_puts,
NULL ,
bio_ctrl,
bio_new,
bio_free,
NULL
};
const BIO_METHOD *BIO_s_bio(void)
{
return &methods_biop;
}
struct bio_bio_st {
BIO *peer;
int closed;
size_t len;
size_t offset;
size_t size;
char *buf;
size_t request;
};
static int bio_new(BIO *bio)
{
struct bio_bio_st *b = OPENSSL_zalloc(sizeof(*b));
if (b == NULL)
return 0;
b->size = 17 * 1024;
bio->ptr = b;
return 1;
}
static int bio_free(BIO *bio)
{
struct bio_bio_st *b;
if (bio == NULL)
return 0;
b = bio->ptr;
assert(b != NULL);
if (b->peer)
bio_destroy_pair(bio);
OPENSSL_free(b->buf);
OPENSSL_free(b);
return 1;
}
static int bio_read(BIO *bio, char *buf, int size_)
{
size_t size = size_;
size_t rest;
struct bio_bio_st *b, *peer_b;
BIO_clear_retry_flags(bio);
if (!bio->init)
return 0;
b = bio->ptr;
assert(b != NULL);
assert(b->peer != NULL);
peer_b = b->peer->ptr;
assert(peer_b != NULL);
assert(peer_b->buf != NULL);
peer_b->request = 0;
if (buf == NULL || size == 0)
return 0;
if (peer_b->len == 0) {
if (peer_b->closed)
return 0;
else {
BIO_set_retry_read(bio);
if (size <= peer_b->size)
peer_b->request = size;
else
peer_b->request = peer_b->size;
return -1;
}
}
if (peer_b->len < size)
size = peer_b->len;
rest = size;
assert(rest > 0);
do {
size_t chunk;
assert(rest <= peer_b->len);
if (peer_b->offset + rest <= peer_b->size)
chunk = rest;
else
chunk = peer_b->size - peer_b->offset;
assert(peer_b->offset + chunk <= peer_b->size);
memcpy(buf, peer_b->buf + peer_b->offset, chunk);
peer_b->len -= chunk;
if (peer_b->len) {
peer_b->offset += chunk;
assert(peer_b->offset <= peer_b->size);
if (peer_b->offset == peer_b->size)
peer_b->offset = 0;
buf += chunk;
} else {
assert(chunk == rest);
peer_b->offset = 0;
}
rest -= chunk;
}
while (rest);
return size;
}
static ossl_ssize_t bio_nread0(BIO *bio, char **buf)
{
struct bio_bio_st *b, *peer_b;
ossl_ssize_t num;
BIO_clear_retry_flags(bio);
if (!bio->init)
return 0;
b = bio->ptr;
assert(b != NULL);
assert(b->peer != NULL);
peer_b = b->peer->ptr;
assert(peer_b != NULL);
assert(peer_b->buf != NULL);
peer_b->request = 0;
if (peer_b->len == 0) {
char dummy;
return bio_read(bio, &dummy, 1);
}
num = peer_b->len;
if (peer_b->size < peer_b->offset + num)
num = peer_b->size - peer_b->offset;
assert(num > 0);
if (buf != NULL)
*buf = peer_b->buf + peer_b->offset;
return num;
}
static ossl_ssize_t bio_nread(BIO *bio, char **buf, size_t num_)
{
struct bio_bio_st *b, *peer_b;
ossl_ssize_t num, available;
if (num_ > OSSL_SSIZE_MAX)
num = OSSL_SSIZE_MAX;
else
num = (ossl_ssize_t) num_;
available = bio_nread0(bio, buf);
if (num > available)
num = available;
if (num <= 0)
return num;
b = bio->ptr;
peer_b = b->peer->ptr;
peer_b->len -= num;
if (peer_b->len) {
peer_b->offset += num;
assert(peer_b->offset <= peer_b->size);
if (peer_b->offset == peer_b->size)
peer_b->offset = 0;
} else
peer_b->offset = 0;
return num;
}
static int bio_write(BIO *bio, const char *buf, int num_)
{
size_t num = num_;
size_t rest;
struct bio_bio_st *b;
BIO_clear_retry_flags(bio);
if (!bio->init || buf == NULL || num_ <= 0)
return 0;
b = bio->ptr;
assert(b != NULL);
assert(b->peer != NULL);
assert(b->buf != NULL);
b->request = 0;
if (b->closed) {
ERR_raise(ERR_LIB_BIO, BIO_R_BROKEN_PIPE);
return -1;
}
assert(b->len <= b->size);
if (b->len == b->size) {
BIO_set_retry_write(bio);
return -1;
}
if (num > b->size - b->len)
num = b->size - b->len;
rest = num;
assert(rest > 0);
do {
size_t write_offset;
size_t chunk;
assert(b->len + rest <= b->size);
write_offset = b->offset + b->len;
if (write_offset >= b->size)
write_offset -= b->size;
if (write_offset + rest <= b->size)
chunk = rest;
else
chunk = b->size - write_offset;
memcpy(b->buf + write_offset, buf, chunk);
b->len += chunk;
assert(b->len <= b->size);
rest -= chunk;
buf += chunk;
}
while (rest);
return num;
}
static ossl_ssize_t bio_nwrite0(BIO *bio, char **buf)
{
struct bio_bio_st *b;
size_t num;
size_t write_offset;
BIO_clear_retry_flags(bio);
if (!bio->init)
return 0;
b = bio->ptr;
assert(b != NULL);
assert(b->peer != NULL);
assert(b->buf != NULL);
b->request = 0;
if (b->closed) {
ERR_raise(ERR_LIB_BIO, BIO_R_BROKEN_PIPE);
return -1;
}
assert(b->len <= b->size);
if (b->len == b->size) {
BIO_set_retry_write(bio);
return -1;
}
num = b->size - b->len;
write_offset = b->offset + b->len;
if (write_offset >= b->size)
write_offset -= b->size;
if (write_offset + num > b->size)
num = b->size - write_offset;
if (buf != NULL)
*buf = b->buf + write_offset;
assert(write_offset + num <= b->size);
return num;
}
static ossl_ssize_t bio_nwrite(BIO *bio, char **buf, size_t num_)
{
struct bio_bio_st *b;
ossl_ssize_t num, space;
if (num_ > OSSL_SSIZE_MAX)
num = OSSL_SSIZE_MAX;
else
num = (ossl_ssize_t) num_;
space = bio_nwrite0(bio, buf);
if (num > space)
num = space;
if (num <= 0)
return num;
b = bio->ptr;
assert(b != NULL);
b->len += num;
assert(b->len <= b->size);
return num;
}
static long bio_ctrl(BIO *bio, int cmd, long num, void *ptr)
{
long ret;
struct bio_bio_st *b = bio->ptr;
assert(b != NULL);
switch (cmd) {
case BIO_C_SET_WRITE_BUF_SIZE:
if (b->peer) {
ERR_raise(ERR_LIB_BIO, BIO_R_IN_USE);
ret = 0;
} else if (num == 0) {
ERR_raise(ERR_LIB_BIO, BIO_R_INVALID_ARGUMENT);
ret = 0;
} else {
size_t new_size = num;
if (b->size != new_size) {
OPENSSL_free(b->buf);
b->buf = NULL;
b->size = new_size;
}
ret = 1;
}
break;
case BIO_C_GET_WRITE_BUF_SIZE:
ret = (long)b->size;
break;
case BIO_C_MAKE_BIO_PAIR:
{
BIO *other_bio = ptr;
if (bio_make_pair(bio, other_bio))
ret = 1;
else
ret = 0;
}
break;
case BIO_C_DESTROY_BIO_PAIR:
bio_destroy_pair(bio);
ret = 1;
break;
case BIO_C_GET_WRITE_GUARANTEE:
if (b->peer == NULL || b->closed)
ret = 0;
else
ret = (long)b->size - b->len;
break;
case BIO_C_GET_READ_REQUEST:
ret = (long)b->request;
break;
case BIO_C_RESET_READ_REQUEST:
b->request = 0;
ret = 1;
break;
case BIO_C_SHUTDOWN_WR:
b->closed = 1;
ret = 1;
break;
case BIO_C_NREAD0:
ret = (long)bio_nread0(bio, ptr);
break;
case BIO_C_NREAD:
ret = (long)bio_nread(bio, ptr, (size_t)num);
break;
case BIO_C_NWRITE0:
ret = (long)bio_nwrite0(bio, ptr);
break;
case BIO_C_NWRITE:
ret = (long)bio_nwrite(bio, ptr, (size_t)num);
break;
case BIO_CTRL_RESET:
if (b->buf != NULL) {
b->len = 0;
b->offset = 0;
}
ret = 0;
break;
case BIO_CTRL_GET_CLOSE:
ret = bio->shutdown;
break;
case BIO_CTRL_SET_CLOSE:
bio->shutdown = (int)num;
ret = 1;
break;
case BIO_CTRL_PENDING:
if (b->peer != NULL) {
struct bio_bio_st *peer_b = b->peer->ptr;
ret = (long)peer_b->len;
} else
ret = 0;
break;
case BIO_CTRL_WPENDING:
if (b->buf != NULL)
ret = (long)b->len;
else
ret = 0;
break;
case BIO_CTRL_DUP:
{
BIO *other_bio = ptr;
struct bio_bio_st *other_b;
assert(other_bio != NULL);
other_b = other_bio->ptr;
assert(other_b != NULL);
assert(other_b->buf == NULL);
other_b->size = b->size;
}
ret = 1;
break;
case BIO_CTRL_FLUSH:
ret = 1;
break;
case BIO_CTRL_EOF:
if (b->peer != NULL) {
struct bio_bio_st *peer_b = b->peer->ptr;
if (peer_b->len == 0 && peer_b->closed)
ret = 1;
else
ret = 0;
} else {
ret = 1;
}
break;
default:
ret = 0;
}
return ret;
}
static int bio_puts(BIO *bio, const char *str)
{
return bio_write(bio, str, strlen(str));
}
static int bio_make_pair(BIO *bio1, BIO *bio2)
{
struct bio_bio_st *b1, *b2;
assert(bio1 != NULL);
assert(bio2 != NULL);
b1 = bio1->ptr;
b2 = bio2->ptr;
if (b1->peer != NULL || b2->peer != NULL) {
ERR_raise(ERR_LIB_BIO, BIO_R_IN_USE);
return 0;
}
if (b1->buf == NULL) {
b1->buf = OPENSSL_malloc(b1->size);
if (b1->buf == NULL)
return 0;
b1->len = 0;
b1->offset = 0;
}
if (b2->buf == NULL) {
b2->buf = OPENSSL_malloc(b2->size);
if (b2->buf == NULL)
return 0;
b2->len = 0;
b2->offset = 0;
}
b1->peer = bio2;
b1->closed = 0;
b1->request = 0;
b2->peer = bio1;
b2->closed = 0;
b2->request = 0;
bio1->init = 1;
bio2->init = 1;
return 1;
}
static void bio_destroy_pair(BIO *bio)
{
struct bio_bio_st *b = bio->ptr;
if (b != NULL) {
BIO *peer_bio = b->peer;
if (peer_bio != NULL) {
struct bio_bio_st *peer_b = peer_bio->ptr;
assert(peer_b != NULL);
assert(peer_b->peer == bio);
peer_b->peer = NULL;
peer_bio->init = 0;
assert(peer_b->buf != NULL);
peer_b->len = 0;
peer_b->offset = 0;
b->peer = NULL;
bio->init = 0;
assert(b->buf != NULL);
b->len = 0;
b->offset = 0;
}
}
}
int BIO_new_bio_pair(BIO **bio1_p, size_t writebuf1,
BIO **bio2_p, size_t writebuf2)
{
BIO *bio1 = NULL, *bio2 = NULL;
long r;
int ret = 0;
bio1 = BIO_new(BIO_s_bio());
if (bio1 == NULL)
goto err;
bio2 = BIO_new(BIO_s_bio());
if (bio2 == NULL)
goto err;
if (writebuf1) {
r = BIO_set_write_buf_size(bio1, writebuf1);
if (!r)
goto err;
}
if (writebuf2) {
r = BIO_set_write_buf_size(bio2, writebuf2);
if (!r)
goto err;
}
r = BIO_make_bio_pair(bio1, bio2);
if (!r)
goto err;
ret = 1;
err:
if (ret == 0) {
BIO_free(bio1);
bio1 = NULL;
BIO_free(bio2);
bio2 = NULL;
}
*bio1_p = bio1;
*bio2_p = bio2;
return ret;
}
size_t BIO_ctrl_get_write_guarantee(BIO *bio)
{
return BIO_ctrl(bio, BIO_C_GET_WRITE_GUARANTEE, 0, NULL);
}
size_t BIO_ctrl_get_read_request(BIO *bio)
{
return BIO_ctrl(bio, BIO_C_GET_READ_REQUEST, 0, NULL);
}
int BIO_ctrl_reset_read_request(BIO *bio)
{
return (BIO_ctrl(bio, BIO_C_RESET_READ_REQUEST, 0, NULL) != 0);
}
int BIO_nread0(BIO *bio, char **buf)
{
long ret;
if (!bio->init) {
ERR_raise(ERR_LIB_BIO, BIO_R_UNINITIALIZED);
return -2;
}
ret = BIO_ctrl(bio, BIO_C_NREAD0, 0, buf);
if (ret > INT_MAX)
return INT_MAX;
else
return (int)ret;
}
int BIO_nread(BIO *bio, char **buf, int num)
{
int ret;
if (!bio->init) {
ERR_raise(ERR_LIB_BIO, BIO_R_UNINITIALIZED);
return -2;
}
ret = (int)BIO_ctrl(bio, BIO_C_NREAD, num, buf);
if (ret > 0)
bio->num_read += ret;
return ret;
}
int BIO_nwrite0(BIO *bio, char **buf)
{
long ret;
if (!bio->init) {
ERR_raise(ERR_LIB_BIO, BIO_R_UNINITIALIZED);
return -2;
}
ret = BIO_ctrl(bio, BIO_C_NWRITE0, 0, buf);
if (ret > INT_MAX)
return INT_MAX;
else
return (int)ret;
}
int BIO_nwrite(BIO *bio, char **buf, int num)
{
int ret;
if (!bio->init) {
ERR_raise(ERR_LIB_BIO, BIO_R_UNINITIALIZED);
return -2;
}
ret = BIO_ctrl(bio, BIO_C_NWRITE, num, buf);
if (ret > 0)
bio->num_write += ret;
return ret;
}
| bio | openssl/crypto/bio/bss_bio.c | openssl |
#include <stdio.h>
#include "bio_local.h"
#define DUMP_WIDTH 16
#define DUMP_WIDTH_LESS_INDENT(i) (DUMP_WIDTH - ((i - (i > 6 ? 6 : i) + 3) / 4))
#define SPACE(buf, pos, n) (sizeof(buf) - (pos) > (n))
int BIO_dump_cb(int (*cb) (const void *data, size_t len, void *u),
void *u, const void *s, int len)
{
return BIO_dump_indent_cb(cb, u, s, len, 0);
}
int BIO_dump_indent_cb(int (*cb) (const void *data, size_t len, void *u),
void *u, const void *v, int len, int indent)
{
const unsigned char *s = v;
int res, ret = 0;
char buf[288 + 1];
int i, j, rows, n;
unsigned char ch;
int dump_width;
if (indent < 0)
indent = 0;
else if (indent > 64)
indent = 64;
dump_width = DUMP_WIDTH_LESS_INDENT(indent);
rows = len / dump_width;
if ((rows * dump_width) < len)
rows++;
for (i = 0; i < rows; i++) {
n = BIO_snprintf(buf, sizeof(buf), "%*s%04x - ", indent, "",
i * dump_width);
for (j = 0; j < dump_width; j++) {
if (SPACE(buf, n, 3)) {
if (((i * dump_width) + j) >= len) {
strcpy(buf + n, " ");
} else {
ch = *(s + i * dump_width + j) & 0xff;
BIO_snprintf(buf + n, 4, "%02x%c", ch,
j == 7 ? '-' : ' ');
}
n += 3;
}
}
if (SPACE(buf, n, 2)) {
strcpy(buf + n, " ");
n += 2;
}
for (j = 0; j < dump_width; j++) {
if (((i * dump_width) + j) >= len)
break;
if (SPACE(buf, n, 1)) {
ch = *(s + i * dump_width + j) & 0xff;
#ifndef CHARSET_EBCDIC
buf[n++] = ((ch >= ' ') && (ch <= '~')) ? ch : '.';
#else
buf[n++] = ((ch >= os_toascii[' ']) && (ch <= os_toascii['~']))
? os_toebcdic[ch]
: '.';
#endif
buf[n] = '\0';
}
}
if (SPACE(buf, n, 1)) {
buf[n++] = '\n';
buf[n] = '\0';
}
res = cb((void *)buf, n, u);
if (res < 0)
return res;
ret += res;
}
return ret;
}
#ifndef OPENSSL_NO_STDIO
static int write_fp(const void *data, size_t len, void *fp)
{
return UP_fwrite(data, len, 1, fp);
}
int BIO_dump_fp(FILE *fp, const void *s, int len)
{
return BIO_dump_cb(write_fp, fp, s, len);
}
int BIO_dump_indent_fp(FILE *fp, const void *s, int len, int indent)
{
return BIO_dump_indent_cb(write_fp, fp, s, len, indent);
}
#endif
static int write_bio(const void *data, size_t len, void *bp)
{
return BIO_write((BIO *)bp, (const char *)data, len);
}
int BIO_dump(BIO *bp, const void *s, int len)
{
return BIO_dump_cb(write_bio, bp, s, len);
}
int BIO_dump_indent(BIO *bp, const void *s, int len, int indent)
{
return BIO_dump_indent_cb(write_bio, bp, s, len, indent);
}
int BIO_hex_string(BIO *out, int indent, int width, const void *data,
int datalen)
{
const unsigned char *d = data;
int i, j = 0;
if (datalen < 1)
return 1;
for (i = 0; i < datalen - 1; i++) {
if (i && !j)
BIO_printf(out, "%*s", indent, "");
BIO_printf(out, "%02X:", d[i]);
if (++j >= width) {
j = 0;
BIO_printf(out, "\n");
}
}
if (i && !j)
BIO_printf(out, "%*s", indent, "");
BIO_printf(out, "%02X", d[datalen - 1]);
return 1;
}
| bio | openssl/crypto/bio/bio_dump.c | openssl |
#ifndef _GNU_SOURCE
# define _GNU_SOURCE
#endif
#include <stdio.h>
#include <errno.h>
#include "internal/time.h"
#include "bio_local.h"
#ifndef OPENSSL_NO_DGRAM
# ifndef OPENSSL_NO_SCTP
# include <netinet/sctp.h>
# include <fcntl.h>
# define OPENSSL_SCTP_DATA_CHUNK_TYPE 0x00
# define OPENSSL_SCTP_FORWARD_CUM_TSN_CHUNK_TYPE 0xc0
# endif
# if defined(OPENSSL_SYS_LINUX) && !defined(IP_MTU)
# define IP_MTU 14
# endif
# if OPENSSL_USE_IPV6 && !defined(IPPROTO_IPV6)
# define IPPROTO_IPV6 41
# endif
# if defined(__FreeBSD__) && defined(IN6_IS_ADDR_V4MAPPED)
# undef IN6_IS_ADDR_V4MAPPED
# define s6_addr32 __u6_addr.__u6_addr32
# define IN6_IS_ADDR_V4MAPPED(a) \
(((a)->s6_addr32[0] == 0) && \
((a)->s6_addr32[1] == 0) && \
((a)->s6_addr32[2] == htonl(0x0000ffff)))
# endif
# define M_METHOD_NONE 0
# define M_METHOD_RECVMMSG 1
# define M_METHOD_RECVMSG 2
# define M_METHOD_RECVFROM 3
# define M_METHOD_WSARECVMSG 4
# if defined(__GLIBC__) && defined(__GLIBC_PREREQ)
# if !(__GLIBC_PREREQ(2, 14))
# undef NO_RECVMMSG
# define NO_RECVMMSG
# endif
# endif
# if defined(__GNU__)
#undef NO_RECVMSG
#define NO_RECVMSG
# endif
# if defined(__ANDROID_API__) && __ANDROID_API__ < 21
# undef NO_RECVMMSG
# define NO_RECVMMSG
# endif
# if !defined(M_METHOD)
# if defined(OPENSSL_SYS_WINDOWS) && defined(BIO_HAVE_WSAMSG) && !defined(NO_WSARECVMSG)
# define M_METHOD M_METHOD_WSARECVMSG
# elif !defined(OPENSSL_SYS_WINDOWS) && defined(MSG_WAITFORONE) && !defined(NO_RECVMMSG)
# define M_METHOD M_METHOD_RECVMMSG
# elif !defined(OPENSSL_SYS_WINDOWS) && defined(CMSG_LEN) && !defined(NO_RECVMSG)
# define M_METHOD M_METHOD_RECVMSG
# elif !defined(NO_RECVFROM)
# define M_METHOD M_METHOD_RECVFROM
# else
# define M_METHOD M_METHOD_NONE
# endif
# endif
# if defined(OPENSSL_SYS_WINDOWS)
# define BIO_CMSG_SPACE(x) WSA_CMSG_SPACE(x)
# define BIO_CMSG_FIRSTHDR(x) WSA_CMSG_FIRSTHDR(x)
# define BIO_CMSG_NXTHDR(x, y) WSA_CMSG_NXTHDR(x, y)
# define BIO_CMSG_DATA(x) WSA_CMSG_DATA(x)
# define BIO_CMSG_LEN(x) WSA_CMSG_LEN(x)
# define MSGHDR_TYPE WSAMSG
# define CMSGHDR_TYPE WSACMSGHDR
# else
# define MSGHDR_TYPE struct msghdr
# define CMSGHDR_TYPE struct cmsghdr
# define BIO_CMSG_SPACE(x) CMSG_SPACE(x)
# define BIO_CMSG_FIRSTHDR(x) CMSG_FIRSTHDR(x)
# define BIO_CMSG_NXTHDR(x, y) CMSG_NXTHDR(x, y)
# define BIO_CMSG_DATA(x) CMSG_DATA(x)
# define BIO_CMSG_LEN(x) CMSG_LEN(x)
# endif
# if M_METHOD == M_METHOD_RECVMMSG \
|| M_METHOD == M_METHOD_RECVMSG \
|| M_METHOD == M_METHOD_WSARECVMSG
# if defined(__APPLE__)
# define BIO_CMSG_ALLOC_LEN 64
# else
# if defined(IPV6_PKTINFO)
# define BIO_CMSG_ALLOC_LEN_1 BIO_CMSG_SPACE(sizeof(struct in6_pktinfo))
# else
# define BIO_CMSG_ALLOC_LEN_1 0
# endif
# if defined(IP_PKTINFO)
# define BIO_CMSG_ALLOC_LEN_2 BIO_CMSG_SPACE(sizeof(struct in_pktinfo))
# else
# define BIO_CMSG_ALLOC_LEN_2 0
# endif
# if defined(IP_RECVDSTADDR)
# define BIO_CMSG_ALLOC_LEN_3 BIO_CMSG_SPACE(sizeof(struct in_addr))
# else
# define BIO_CMSG_ALLOC_LEN_3 0
# endif
# define BIO_MAX(X,Y) ((X) > (Y) ? (X) : (Y))
# define BIO_CMSG_ALLOC_LEN \
BIO_MAX(BIO_CMSG_ALLOC_LEN_1, \
BIO_MAX(BIO_CMSG_ALLOC_LEN_2, BIO_CMSG_ALLOC_LEN_3))
# endif
# if (defined(IP_PKTINFO) || defined(IP_RECVDSTADDR)) && defined(IPV6_RECVPKTINFO)
# define SUPPORT_LOCAL_ADDR
# endif
# endif
# define BIO_MSG_N(array, stride, n) (*(BIO_MSG *)((char *)(array) + (n)*(stride)))
static int dgram_write(BIO *h, const char *buf, int num);
static int dgram_read(BIO *h, char *buf, int size);
static int dgram_puts(BIO *h, const char *str);
static long dgram_ctrl(BIO *h, int cmd, long arg1, void *arg2);
static int dgram_new(BIO *h);
static int dgram_free(BIO *data);
static int dgram_clear(BIO *bio);
static int dgram_sendmmsg(BIO *b, BIO_MSG *msg,
size_t stride, size_t num_msg,
uint64_t flags, size_t *num_processed);
static int dgram_recvmmsg(BIO *b, BIO_MSG *msg,
size_t stride, size_t num_msg,
uint64_t flags, size_t *num_processed);
# ifndef OPENSSL_NO_SCTP
static int dgram_sctp_write(BIO *h, const char *buf, int num);
static int dgram_sctp_read(BIO *h, char *buf, int size);
static int dgram_sctp_puts(BIO *h, const char *str);
static long dgram_sctp_ctrl(BIO *h, int cmd, long arg1, void *arg2);
static int dgram_sctp_new(BIO *h);
static int dgram_sctp_free(BIO *data);
static int dgram_sctp_wait_for_dry(BIO *b);
static int dgram_sctp_msg_waiting(BIO *b);
# ifdef SCTP_AUTHENTICATION_EVENT
static void dgram_sctp_handle_auth_free_key_event(BIO *b, union sctp_notification
*snp);
# endif
# endif
static int BIO_dgram_should_retry(int s);
static const BIO_METHOD methods_dgramp = {
BIO_TYPE_DGRAM,
"datagram socket",
bwrite_conv,
dgram_write,
bread_conv,
dgram_read,
dgram_puts,
NULL,
dgram_ctrl,
dgram_new,
dgram_free,
NULL,
dgram_sendmmsg,
dgram_recvmmsg,
};
# ifndef OPENSSL_NO_SCTP
static const BIO_METHOD methods_dgramp_sctp = {
BIO_TYPE_DGRAM_SCTP,
"datagram sctp socket",
bwrite_conv,
dgram_sctp_write,
bread_conv,
dgram_sctp_read,
dgram_sctp_puts,
NULL,
dgram_sctp_ctrl,
dgram_sctp_new,
dgram_sctp_free,
NULL,
NULL,
NULL,
};
# endif
typedef struct bio_dgram_data_st {
BIO_ADDR peer;
BIO_ADDR local_addr;
unsigned int connected;
unsigned int _errno;
unsigned int mtu;
OSSL_TIME next_timeout;
OSSL_TIME socket_timeout;
unsigned int peekmode;
char local_addr_enabled;
} bio_dgram_data;
# ifndef OPENSSL_NO_SCTP
typedef struct bio_dgram_sctp_save_message_st {
BIO *bio;
char *data;
int length;
} bio_dgram_sctp_save_message;
typedef struct bio_dgram_sctp_data_st {
bio_dgram_data dgram;
struct bio_dgram_sctp_sndinfo sndinfo;
struct bio_dgram_sctp_rcvinfo rcvinfo;
struct bio_dgram_sctp_prinfo prinfo;
BIO_dgram_sctp_notification_handler_fn handle_notifications;
void *notification_context;
int in_handshake;
int ccs_rcvd;
int ccs_sent;
int save_shutdown;
int peer_auth_tested;
} bio_dgram_sctp_data;
# endif
const BIO_METHOD *BIO_s_datagram(void)
{
return &methods_dgramp;
}
BIO *BIO_new_dgram(int fd, int close_flag)
{
BIO *ret;
ret = BIO_new(BIO_s_datagram());
if (ret == NULL)
return NULL;
BIO_set_fd(ret, fd, close_flag);
return ret;
}
static int dgram_new(BIO *bi)
{
bio_dgram_data *data = OPENSSL_zalloc(sizeof(*data));
if (data == NULL)
return 0;
bi->ptr = data;
return 1;
}
static int dgram_free(BIO *a)
{
bio_dgram_data *data;
if (a == NULL)
return 0;
if (!dgram_clear(a))
return 0;
data = (bio_dgram_data *)a->ptr;
OPENSSL_free(data);
return 1;
}
static int dgram_clear(BIO *a)
{
if (a == NULL)
return 0;
if (a->shutdown) {
if (a->init) {
BIO_closesocket(a->num);
}
a->init = 0;
a->flags = 0;
}
return 1;
}
static void dgram_adjust_rcv_timeout(BIO *b)
{
# if defined(SO_RCVTIMEO)
bio_dgram_data *data = (bio_dgram_data *)b->ptr;
OSSL_TIME timeleft;
if (!ossl_time_is_zero(data->next_timeout)) {
# ifdef OPENSSL_SYS_WINDOWS
int timeout;
int sz = sizeof(timeout);
if (getsockopt(b->num, SOL_SOCKET, SO_RCVTIMEO,
(void *)&timeout, &sz) < 0)
ERR_raise_data(ERR_LIB_SYS, get_last_socket_error(),
"calling getsockopt()");
else
data->socket_timeout = ossl_ms2time(timeout);
# else
struct timeval tv;
socklen_t sz = sizeof(tv);
if (getsockopt(b->num, SOL_SOCKET, SO_RCVTIMEO, &tv, &sz) < 0)
ERR_raise_data(ERR_LIB_SYS, get_last_socket_error(),
"calling getsockopt()");
else
data->socket_timeout = ossl_time_from_timeval(tv);
# endif
timeleft = ossl_time_subtract(data->next_timeout, ossl_time_now());
if (ossl_time_compare(timeleft, ossl_ticks2time(OSSL_TIME_US)) < 0)
timeleft = ossl_ticks2time(OSSL_TIME_US);
if (ossl_time_is_zero(data->socket_timeout)
|| ossl_time_compare(data->socket_timeout, timeleft) >= 0) {
# ifdef OPENSSL_SYS_WINDOWS
timeout = (int)ossl_time2ms(timeleft);
if (setsockopt(b->num, SOL_SOCKET, SO_RCVTIMEO,
(void *)&timeout, sizeof(timeout)) < 0)
ERR_raise_data(ERR_LIB_SYS, get_last_socket_error(),
"calling setsockopt()");
# else
tv = ossl_time_to_timeval(timeleft);
if (setsockopt(b->num, SOL_SOCKET, SO_RCVTIMEO, &tv,
sizeof(tv)) < 0)
ERR_raise_data(ERR_LIB_SYS, get_last_socket_error(),
"calling setsockopt()");
# endif
}
}
# endif
}
static void dgram_update_local_addr(BIO *b)
{
bio_dgram_data *data = (bio_dgram_data *)b->ptr;
socklen_t addr_len = sizeof(data->local_addr);
if (getsockname(b->num, &data->local_addr.sa, &addr_len) < 0)
BIO_ADDR_clear(&data->local_addr);
}
# if M_METHOD == M_METHOD_RECVMMSG || M_METHOD == M_METHOD_RECVMSG || M_METHOD == M_METHOD_WSARECVMSG
static int dgram_get_sock_family(BIO *b)
{
bio_dgram_data *data = (bio_dgram_data *)b->ptr;
return data->local_addr.sa.sa_family;
}
# endif
static void dgram_reset_rcv_timeout(BIO *b)
{
# if defined(SO_RCVTIMEO)
bio_dgram_data *data = (bio_dgram_data *)b->ptr;
if (!ossl_time_is_zero(data->next_timeout)) {
# ifdef OPENSSL_SYS_WINDOWS
int timeout = (int)ossl_time2ms(data->socket_timeout);
if (setsockopt(b->num, SOL_SOCKET, SO_RCVTIMEO,
(void *)&timeout, sizeof(timeout)) < 0)
ERR_raise_data(ERR_LIB_SYS, get_last_socket_error(),
"calling setsockopt()");
# else
struct timeval tv = ossl_time_to_timeval(data->socket_timeout);
if (setsockopt(b->num, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof(tv)) < 0)
ERR_raise_data(ERR_LIB_SYS, get_last_socket_error(),
"calling setsockopt()");
# endif
}
# endif
}
static int dgram_read(BIO *b, char *out, int outl)
{
int ret = 0;
bio_dgram_data *data = (bio_dgram_data *)b->ptr;
int flags = 0;
BIO_ADDR peer;
socklen_t len = sizeof(peer);
if (out != NULL) {
clear_socket_error();
BIO_ADDR_clear(&peer);
dgram_adjust_rcv_timeout(b);
if (data->peekmode)
flags = MSG_PEEK;
ret = recvfrom(b->num, out, outl, flags,
BIO_ADDR_sockaddr_noconst(&peer), &len);
if (!data->connected && ret >= 0)
BIO_ctrl(b, BIO_CTRL_DGRAM_SET_PEER, 0, &peer);
BIO_clear_retry_flags(b);
if (ret < 0) {
if (BIO_dgram_should_retry(ret)) {
BIO_set_retry_read(b);
data->_errno = get_last_socket_error();
}
}
dgram_reset_rcv_timeout(b);
}
return ret;
}
static int dgram_write(BIO *b, const char *in, int inl)
{
int ret;
bio_dgram_data *data = (bio_dgram_data *)b->ptr;
clear_socket_error();
if (data->connected)
ret = writesocket(b->num, in, inl);
else {
int peerlen = BIO_ADDR_sockaddr_size(&data->peer);
ret = sendto(b->num, in, inl, 0,
BIO_ADDR_sockaddr(&data->peer), peerlen);
}
BIO_clear_retry_flags(b);
if (ret <= 0) {
if (BIO_dgram_should_retry(ret)) {
BIO_set_retry_write(b);
data->_errno = get_last_socket_error();
}
}
return ret;
}
static long dgram_get_mtu_overhead(bio_dgram_data *data)
{
long ret;
switch (BIO_ADDR_family(&data->peer)) {
case AF_INET:
ret = 28;
break;
# if OPENSSL_USE_IPV6
case AF_INET6:
{
# ifdef IN6_IS_ADDR_V4MAPPED
struct in6_addr tmp_addr;
if (BIO_ADDR_rawaddress(&data->peer, &tmp_addr, NULL)
&& IN6_IS_ADDR_V4MAPPED(&tmp_addr))
ret = 28;
else
# endif
ret = 48;
}
break;
# endif
default:
ret = 28;
break;
}
return ret;
}
# if defined(SUPPORT_LOCAL_ADDR)
static int enable_local_addr(BIO *b, int enable) {
int af = dgram_get_sock_family(b);
if (af == AF_INET) {
# if defined(IP_PKTINFO)
if (setsockopt(b->num, IPPROTO_IP, IP_PKTINFO,
(void *)&enable, sizeof(enable)) < 0)
return 0;
return 1;
# elif defined(IP_RECVDSTADDR)
if (setsockopt(b->num, IPPROTO_IP, IP_RECVDSTADDR,
&enable, sizeof(enable)) < 0)
return 0;
return 1;
# endif
}
# if OPENSSL_USE_IPV6
if (af == AF_INET6) {
# if defined(IPV6_RECVPKTINFO)
if (setsockopt(b->num, IPPROTO_IPV6, IPV6_RECVPKTINFO,
&enable, sizeof(enable)) < 0)
return 0;
return 1;
# endif
}
# endif
return 0;
}
# endif
static long dgram_ctrl(BIO *b, int cmd, long num, void *ptr)
{
long ret = 1;
int *ip;
bio_dgram_data *data = NULL;
# ifndef __DJGPP__
int sockopt_val = 0;
# endif
int d_errno;
# if defined(OPENSSL_SYS_LINUX) && (defined(IP_MTU_DISCOVER) || defined(IP_MTU))
socklen_t sockopt_len;
socklen_t addr_len;
BIO_ADDR addr;
# endif
data = (bio_dgram_data *)b->ptr;
switch (cmd) {
case BIO_CTRL_RESET:
num = 0;
ret = 0;
break;
case BIO_CTRL_INFO:
ret = 0;
break;
case BIO_C_SET_FD:
dgram_clear(b);
b->num = *((int *)ptr);
b->shutdown = (int)num;
b->init = 1;
dgram_update_local_addr(b);
# if defined(SUPPORT_LOCAL_ADDR)
if (data->local_addr_enabled) {
if (enable_local_addr(b, 1) < 1)
data->local_addr_enabled = 0;
}
# endif
break;
case BIO_C_GET_FD:
if (b->init) {
ip = (int *)ptr;
if (ip != NULL)
*ip = b->num;
ret = b->num;
} else
ret = -1;
break;
case BIO_CTRL_GET_CLOSE:
ret = b->shutdown;
break;
case BIO_CTRL_SET_CLOSE:
b->shutdown = (int)num;
break;
case BIO_CTRL_PENDING:
case BIO_CTRL_WPENDING:
ret = 0;
break;
case BIO_CTRL_DUP:
case BIO_CTRL_FLUSH:
ret = 1;
break;
case BIO_CTRL_DGRAM_CONNECT:
BIO_ADDR_make(&data->peer, BIO_ADDR_sockaddr((BIO_ADDR *)ptr));
break;
case BIO_CTRL_DGRAM_MTU_DISCOVER:
# if defined(OPENSSL_SYS_LINUX) && defined(IP_MTU_DISCOVER) && defined(IP_PMTUDISC_DO)
addr_len = (socklen_t) sizeof(addr);
BIO_ADDR_clear(&addr);
if (getsockname(b->num, &addr.sa, &addr_len) < 0) {
ret = 0;
break;
}
switch (addr.sa.sa_family) {
case AF_INET:
sockopt_val = IP_PMTUDISC_DO;
if ((ret = setsockopt(b->num, IPPROTO_IP, IP_MTU_DISCOVER,
&sockopt_val, sizeof(sockopt_val))) < 0)
ERR_raise_data(ERR_LIB_SYS, get_last_socket_error(),
"calling setsockopt()");
break;
# if OPENSSL_USE_IPV6 && defined(IPV6_MTU_DISCOVER) && defined(IPV6_PMTUDISC_DO)
case AF_INET6:
sockopt_val = IPV6_PMTUDISC_DO;
if ((ret = setsockopt(b->num, IPPROTO_IPV6, IPV6_MTU_DISCOVER,
&sockopt_val, sizeof(sockopt_val))) < 0)
ERR_raise_data(ERR_LIB_SYS, get_last_socket_error(),
"calling setsockopt()");
break;
# endif
default:
ret = -1;
break;
}
# else
ret = -1;
# endif
break;
case BIO_CTRL_DGRAM_QUERY_MTU:
# if defined(OPENSSL_SYS_LINUX) && defined(IP_MTU)
addr_len = (socklen_t) sizeof(addr);
BIO_ADDR_clear(&addr);
if (getsockname(b->num, &addr.sa, &addr_len) < 0) {
ret = 0;
break;
}
sockopt_len = sizeof(sockopt_val);
switch (addr.sa.sa_family) {
case AF_INET:
if ((ret =
getsockopt(b->num, IPPROTO_IP, IP_MTU, (void *)&sockopt_val,
&sockopt_len)) < 0 || sockopt_val < 0) {
ret = 0;
} else {
data->mtu = sockopt_val - 8 - 20;
ret = data->mtu;
}
break;
# if OPENSSL_USE_IPV6 && defined(IPV6_MTU)
case AF_INET6:
if ((ret =
getsockopt(b->num, IPPROTO_IPV6, IPV6_MTU,
(void *)&sockopt_val, &sockopt_len)) < 0
|| sockopt_val < 0) {
ret = 0;
} else {
data->mtu = sockopt_val - 8 - 40;
ret = data->mtu;
}
break;
# endif
default:
ret = 0;
break;
}
# else
ret = 0;
# endif
break;
case BIO_CTRL_DGRAM_GET_FALLBACK_MTU:
ret = -dgram_get_mtu_overhead(data);
switch (BIO_ADDR_family(&data->peer)) {
case AF_INET:
ret += 576;
break;
# if OPENSSL_USE_IPV6
case AF_INET6:
{
# ifdef IN6_IS_ADDR_V4MAPPED
struct in6_addr tmp_addr;
if (BIO_ADDR_rawaddress(&data->peer, &tmp_addr, NULL)
&& IN6_IS_ADDR_V4MAPPED(&tmp_addr))
ret += 576;
else
# endif
ret += 1280;
}
break;
# endif
default:
ret += 576;
break;
}
break;
case BIO_CTRL_DGRAM_GET_MTU:
return data->mtu;
case BIO_CTRL_DGRAM_SET_MTU:
data->mtu = num;
ret = num;
break;
case BIO_CTRL_DGRAM_SET_CONNECTED:
if (ptr != NULL) {
data->connected = 1;
BIO_ADDR_make(&data->peer, BIO_ADDR_sockaddr((BIO_ADDR *)ptr));
} else {
data->connected = 0;
BIO_ADDR_clear(&data->peer);
}
break;
case BIO_CTRL_DGRAM_GET_PEER:
ret = BIO_ADDR_sockaddr_size(&data->peer);
if (num == 0 || num > ret)
num = ret;
memcpy(ptr, &data->peer, (ret = num));
break;
case BIO_CTRL_DGRAM_SET_PEER:
BIO_ADDR_make(&data->peer, BIO_ADDR_sockaddr((BIO_ADDR *)ptr));
break;
case BIO_CTRL_DGRAM_DETECT_PEER_ADDR:
{
BIO_ADDR xaddr, *p = &data->peer;
socklen_t xaddr_len = sizeof(xaddr.sa);
if (BIO_ADDR_family(p) == AF_UNSPEC) {
if (getpeername(b->num, (void *)&xaddr.sa, &xaddr_len) == 0
&& BIO_ADDR_family(&xaddr) != AF_UNSPEC) {
p = &xaddr;
} else {
ret = 0;
break;
}
}
ret = BIO_ADDR_sockaddr_size(p);
if (num == 0 || num > ret)
num = ret;
memcpy(ptr, p, (ret = num));
}
break;
case BIO_C_SET_NBIO:
if (!BIO_socket_nbio(b->num, num != 0))
ret = 0;
break;
case BIO_CTRL_DGRAM_SET_NEXT_TIMEOUT:
data->next_timeout = ossl_time_from_timeval(*(struct timeval *)ptr);
break;
# if defined(SO_RCVTIMEO)
case BIO_CTRL_DGRAM_SET_RECV_TIMEOUT:
# ifdef OPENSSL_SYS_WINDOWS
{
struct timeval *tv = (struct timeval *)ptr;
int timeout = tv->tv_sec * 1000 + tv->tv_usec / 1000;
if ((ret = setsockopt(b->num, SOL_SOCKET, SO_RCVTIMEO,
(void *)&timeout, sizeof(timeout))) < 0)
ERR_raise_data(ERR_LIB_SYS, get_last_socket_error(),
"calling setsockopt()");
}
# else
if ((ret = setsockopt(b->num, SOL_SOCKET, SO_RCVTIMEO, ptr,
sizeof(struct timeval))) < 0)
ERR_raise_data(ERR_LIB_SYS, get_last_socket_error(),
"calling setsockopt()");
# endif
break;
case BIO_CTRL_DGRAM_GET_RECV_TIMEOUT:
{
# ifdef OPENSSL_SYS_WINDOWS
int sz = 0;
int timeout;
struct timeval *tv = (struct timeval *)ptr;
sz = sizeof(timeout);
if ((ret = getsockopt(b->num, SOL_SOCKET, SO_RCVTIMEO,
(void *)&timeout, &sz)) < 0) {
ERR_raise_data(ERR_LIB_SYS, get_last_socket_error(),
"calling getsockopt()");
} else {
tv->tv_sec = timeout / 1000;
tv->tv_usec = (timeout % 1000) * 1000;
ret = sizeof(*tv);
}
# else
socklen_t sz = sizeof(struct timeval);
if ((ret = getsockopt(b->num, SOL_SOCKET, SO_RCVTIMEO,
ptr, &sz)) < 0) {
ERR_raise_data(ERR_LIB_SYS, get_last_socket_error(),
"calling getsockopt()");
} else {
OPENSSL_assert((size_t)sz <= sizeof(struct timeval));
ret = (int)sz;
}
# endif
}
break;
# endif
# if defined(SO_SNDTIMEO)
case BIO_CTRL_DGRAM_SET_SEND_TIMEOUT:
# ifdef OPENSSL_SYS_WINDOWS
{
struct timeval *tv = (struct timeval *)ptr;
int timeout = tv->tv_sec * 1000 + tv->tv_usec / 1000;
if ((ret = setsockopt(b->num, SOL_SOCKET, SO_SNDTIMEO,
(void *)&timeout, sizeof(timeout))) < 0)
ERR_raise_data(ERR_LIB_SYS, get_last_socket_error(),
"calling setsockopt()");
}
# else
if ((ret = setsockopt(b->num, SOL_SOCKET, SO_SNDTIMEO, ptr,
sizeof(struct timeval))) < 0)
ERR_raise_data(ERR_LIB_SYS, get_last_socket_error(),
"calling setsockopt()");
# endif
break;
case BIO_CTRL_DGRAM_GET_SEND_TIMEOUT:
{
# ifdef OPENSSL_SYS_WINDOWS
int sz = 0;
int timeout;
struct timeval *tv = (struct timeval *)ptr;
sz = sizeof(timeout);
if ((ret = getsockopt(b->num, SOL_SOCKET, SO_SNDTIMEO,
(void *)&timeout, &sz)) < 0) {
ERR_raise_data(ERR_LIB_SYS, get_last_socket_error(),
"calling getsockopt()");
} else {
tv->tv_sec = timeout / 1000;
tv->tv_usec = (timeout % 1000) * 1000;
ret = sizeof(*tv);
}
# else
socklen_t sz = sizeof(struct timeval);
if ((ret = getsockopt(b->num, SOL_SOCKET, SO_SNDTIMEO,
ptr, &sz)) < 0) {
ERR_raise_data(ERR_LIB_SYS, get_last_socket_error(),
"calling getsockopt()");
} else {
OPENSSL_assert((size_t)sz <= sizeof(struct timeval));
ret = (int)sz;
}
# endif
}
break;
# endif
case BIO_CTRL_DGRAM_GET_SEND_TIMER_EXP:
case BIO_CTRL_DGRAM_GET_RECV_TIMER_EXP:
# ifdef OPENSSL_SYS_WINDOWS
d_errno = (data->_errno == WSAETIMEDOUT);
# else
d_errno = (data->_errno == EAGAIN);
# endif
if (d_errno) {
ret = 1;
data->_errno = 0;
} else
ret = 0;
break;
# ifdef EMSGSIZE
case BIO_CTRL_DGRAM_MTU_EXCEEDED:
if (data->_errno == EMSGSIZE) {
ret = 1;
data->_errno = 0;
} else
ret = 0;
break;
# endif
case BIO_CTRL_DGRAM_SET_DONT_FRAG:
switch (data->peer.sa.sa_family) {
case AF_INET:
# if defined(IP_DONTFRAG)
sockopt_val = num ? 1 : 0;
if ((ret = setsockopt(b->num, IPPROTO_IP, IP_DONTFRAG,
&sockopt_val, sizeof(sockopt_val))) < 0)
ERR_raise_data(ERR_LIB_SYS, get_last_socket_error(),
"calling setsockopt()");
# elif defined(OPENSSL_SYS_LINUX) && defined(IP_MTU_DISCOVER) && defined (IP_PMTUDISC_PROBE)
sockopt_val = num ? IP_PMTUDISC_PROBE : IP_PMTUDISC_DONT;
if ((ret = setsockopt(b->num, IPPROTO_IP, IP_MTU_DISCOVER,
&sockopt_val, sizeof(sockopt_val))) < 0)
ERR_raise_data(ERR_LIB_SYS, get_last_socket_error(),
"calling setsockopt()");
# elif defined(OPENSSL_SYS_WINDOWS) && defined(IP_DONTFRAGMENT)
sockopt_val = num ? 1 : 0;
if ((ret = setsockopt(b->num, IPPROTO_IP, IP_DONTFRAGMENT,
(const char *)&sockopt_val,
sizeof(sockopt_val))) < 0)
ERR_raise_data(ERR_LIB_SYS, get_last_socket_error(),
"calling setsockopt()");
# else
ret = -1;
# endif
break;
# if OPENSSL_USE_IPV6
case AF_INET6:
# if defined(IPV6_DONTFRAG)
sockopt_val = num ? 1 : 0;
if ((ret = setsockopt(b->num, IPPROTO_IPV6, IPV6_DONTFRAG,
(const void *)&sockopt_val,
sizeof(sockopt_val))) < 0)
ERR_raise_data(ERR_LIB_SYS, get_last_socket_error(),
"calling setsockopt()");
# elif defined(OPENSSL_SYS_LINUX) && defined(IPV6_MTUDISCOVER)
sockopt_val = num ? IP_PMTUDISC_PROBE : IP_PMTUDISC_DONT;
if ((ret = setsockopt(b->num, IPPROTO_IPV6, IPV6_MTU_DISCOVER,
&sockopt_val, sizeof(sockopt_val))) < 0)
ERR_raise_data(ERR_LIB_SYS, get_last_socket_error(),
"calling setsockopt()");
# else
ret = -1;
# endif
break;
# endif
default:
ret = -1;
break;
}
break;
case BIO_CTRL_DGRAM_GET_MTU_OVERHEAD:
ret = dgram_get_mtu_overhead(data);
break;
case BIO_CTRL_DGRAM_SCTP_SET_IN_HANDSHAKE:
case BIO_CTRL_DGRAM_SET_PEEK_MODE:
data->peekmode = (unsigned int)num;
break;
case BIO_CTRL_DGRAM_GET_LOCAL_ADDR_CAP:
# if defined(SUPPORT_LOCAL_ADDR)
ret = 1;
# else
ret = 0;
# endif
break;
case BIO_CTRL_DGRAM_SET_LOCAL_ADDR_ENABLE:
# if defined(SUPPORT_LOCAL_ADDR)
num = num > 0;
if (num != data->local_addr_enabled) {
if (enable_local_addr(b, num) < 1) {
ret = 0;
break;
}
data->local_addr_enabled = (char)num;
}
# else
ret = 0;
# endif
break;
case BIO_CTRL_DGRAM_GET_LOCAL_ADDR_ENABLE:
*(int *)ptr = data->local_addr_enabled;
break;
case BIO_CTRL_DGRAM_GET_EFFECTIVE_CAPS:
ret = (long)(BIO_DGRAM_CAP_HANDLES_DST_ADDR
| BIO_DGRAM_CAP_HANDLES_SRC_ADDR
| BIO_DGRAM_CAP_PROVIDES_DST_ADDR
| BIO_DGRAM_CAP_PROVIDES_SRC_ADDR);
break;
case BIO_CTRL_GET_RPOLL_DESCRIPTOR:
case BIO_CTRL_GET_WPOLL_DESCRIPTOR:
{
BIO_POLL_DESCRIPTOR *pd = ptr;
pd->type = BIO_POLL_DESCRIPTOR_TYPE_SOCK_FD;
pd->value.fd = b->num;
}
break;
default:
ret = 0;
break;
}
if (ret < 0)
ret = -1;
return ret;
}
static int dgram_puts(BIO *bp, const char *str)
{
int n, ret;
n = strlen(str);
ret = dgram_write(bp, str, n);
return ret;
}
# if M_METHOD == M_METHOD_WSARECVMSG
static void translate_msg_win(BIO *b, WSAMSG *mh, WSABUF *iov,
unsigned char *control, BIO_MSG *msg)
{
iov->len = msg->data_len;
iov->buf = msg->data;
mh->name = msg->peer != NULL ? &msg->peer->sa : NULL;
if (msg->peer != NULL && dgram_get_sock_family(b) == AF_INET)
mh->namelen = sizeof(struct sockaddr_in);
# if OPENSSL_USE_IPV6
else if (msg->peer != NULL && dgram_get_sock_family(b) == AF_INET6)
mh->namelen = sizeof(struct sockaddr_in6);
# endif
else
mh->namelen = 0;
mh->lpBuffers = iov;
mh->dwBufferCount = 1;
mh->Control.len = BIO_CMSG_ALLOC_LEN;
mh->Control.buf = control;
mh->dwFlags = 0;
}
# endif
# if M_METHOD == M_METHOD_RECVMMSG || M_METHOD == M_METHOD_RECVMSG
static void translate_msg(BIO *b, struct msghdr *mh, struct iovec *iov,
unsigned char *control, BIO_MSG *msg)
{
iov->iov_base = msg->data;
iov->iov_len = msg->data_len;
mh->msg_name = msg->peer != NULL ? &msg->peer->sa : NULL;
if (msg->peer != NULL && dgram_get_sock_family(b) == AF_INET)
mh->msg_namelen = sizeof(struct sockaddr_in);
# if OPENSSL_USE_IPV6
else if (msg->peer != NULL && dgram_get_sock_family(b) == AF_INET6)
mh->msg_namelen = sizeof(struct sockaddr_in6);
# endif
else
mh->msg_namelen = 0;
mh->msg_iov = iov;
mh->msg_iovlen = 1;
mh->msg_control = msg->local != NULL ? control : NULL;
mh->msg_controllen = msg->local != NULL ? BIO_CMSG_ALLOC_LEN : 0;
mh->msg_flags = 0;
}
# endif
# if M_METHOD == M_METHOD_RECVMMSG || M_METHOD == M_METHOD_RECVMSG || M_METHOD == M_METHOD_WSARECVMSG
static int extract_local(BIO *b, MSGHDR_TYPE *mh, BIO_ADDR *local) {
# if defined(IP_PKTINFO) || defined(IP_RECVDSTADDR) || defined(IPV6_PKTINFO)
CMSGHDR_TYPE *cmsg;
int af = dgram_get_sock_family(b);
for (cmsg = BIO_CMSG_FIRSTHDR(mh); cmsg != NULL;
cmsg = BIO_CMSG_NXTHDR(mh, cmsg)) {
if (af == AF_INET) {
if (cmsg->cmsg_level != IPPROTO_IP)
continue;
# if defined(IP_PKTINFO)
if (cmsg->cmsg_type != IP_PKTINFO)
continue;
local->s_in.sin_addr =
((struct in_pktinfo *)BIO_CMSG_DATA(cmsg))->ipi_addr;
# elif defined(IP_RECVDSTADDR)
if (cmsg->cmsg_type != IP_RECVDSTADDR)
continue;
local->s_in.sin_addr = *(struct in_addr *)BIO_CMSG_DATA(cmsg);
# endif
# if defined(IP_PKTINFO) || defined(IP_RECVDSTADDR)
{
bio_dgram_data *data = b->ptr;
local->s_in.sin_family = AF_INET;
local->s_in.sin_port = data->local_addr.s_in.sin_port;
}
return 1;
# endif
}
# if OPENSSL_USE_IPV6
else if (af == AF_INET6) {
if (cmsg->cmsg_level != IPPROTO_IPV6)
continue;
# if defined(IPV6_RECVPKTINFO)
if (cmsg->cmsg_type != IPV6_PKTINFO)
continue;
{
bio_dgram_data *data = b->ptr;
local->s_in6.sin6_addr =
((struct in6_pktinfo *)BIO_CMSG_DATA(cmsg))->ipi6_addr;
local->s_in6.sin6_family = AF_INET6;
local->s_in6.sin6_port = data->local_addr.s_in6.sin6_port;
local->s_in6.sin6_scope_id =
data->local_addr.s_in6.sin6_scope_id;
local->s_in6.sin6_flowinfo = 0;
}
return 1;
# endif
}
# endif
}
# endif
return 0;
}
static int pack_local(BIO *b, MSGHDR_TYPE *mh, const BIO_ADDR *local) {
int af = dgram_get_sock_family(b);
# if defined(IP_PKTINFO) || defined(IP_RECVDSTADDR) || defined(IPV6_PKTINFO)
CMSGHDR_TYPE *cmsg;
bio_dgram_data *data = b->ptr;
# endif
if (af == AF_INET) {
# if defined(IP_PKTINFO)
struct in_pktinfo *info;
# if defined(OPENSSL_SYS_WINDOWS)
cmsg = (CMSGHDR_TYPE *)mh->Control.buf;
# else
cmsg = (CMSGHDR_TYPE *)mh->msg_control;
# endif
cmsg->cmsg_len = BIO_CMSG_LEN(sizeof(struct in_pktinfo));
cmsg->cmsg_level = IPPROTO_IP;
cmsg->cmsg_type = IP_PKTINFO;
info = (struct in_pktinfo *)BIO_CMSG_DATA(cmsg);
# if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_CYGWIN) && !defined(__FreeBSD__)
info->ipi_spec_dst = local->s_in.sin_addr;
# endif
info->ipi_addr.s_addr = 0;
info->ipi_ifindex = 0;
if (local->s_in.sin_port != 0
&& data->local_addr.s_in.sin_port != local->s_in.sin_port) {
ERR_raise(ERR_LIB_BIO, BIO_R_PORT_MISMATCH);
return 0;
}
# if defined(OPENSSL_SYS_WINDOWS)
mh->Control.len = BIO_CMSG_SPACE(sizeof(struct in_pktinfo));
# else
mh->msg_controllen = BIO_CMSG_SPACE(sizeof(struct in_pktinfo));
# endif
return 1;
# elif defined(IP_SENDSRCADDR)
struct in_addr *info;
if (local->s_in.sin_addr.s_addr == data->local_addr.s_in.sin_addr.s_addr) {
mh->msg_control = NULL;
mh->msg_controllen = 0;
return 1;
}
cmsg = (struct cmsghdr *)mh->msg_control;
cmsg->cmsg_len = BIO_CMSG_LEN(sizeof(struct in_addr));
cmsg->cmsg_level = IPPROTO_IP;
cmsg->cmsg_type = IP_SENDSRCADDR;
info = (struct in_addr *)BIO_CMSG_DATA(cmsg);
*info = local->s_in.sin_addr;
if (local->s_in.sin_port != 0
&& data->local_addr.s_in.sin_port != local->s_in.sin_port) {
ERR_raise(ERR_LIB_BIO, BIO_R_PORT_MISMATCH);
return 0;
}
mh->msg_controllen = BIO_CMSG_SPACE(sizeof(struct in_addr));
return 1;
# endif
}
# if OPENSSL_USE_IPV6
else if (af == AF_INET6) {
# if defined(IPV6_PKTINFO)
struct in6_pktinfo *info;
# if defined(OPENSSL_SYS_WINDOWS)
cmsg = (CMSGHDR_TYPE *)mh->Control.buf;
# else
cmsg = (CMSGHDR_TYPE *)mh->msg_control;
# endif
cmsg->cmsg_len = BIO_CMSG_LEN(sizeof(struct in6_pktinfo));
cmsg->cmsg_level = IPPROTO_IPV6;
cmsg->cmsg_type = IPV6_PKTINFO;
info = (struct in6_pktinfo *)BIO_CMSG_DATA(cmsg);
info->ipi6_addr = local->s_in6.sin6_addr;
info->ipi6_ifindex = 0;
if (local->s_in6.sin6_port != 0
&& data->local_addr.s_in6.sin6_port != local->s_in6.sin6_port) {
ERR_raise(ERR_LIB_BIO, BIO_R_PORT_MISMATCH);
return 0;
}
if (local->s_in6.sin6_scope_id != 0
&& data->local_addr.s_in6.sin6_scope_id != local->s_in6.sin6_scope_id) {
ERR_raise(ERR_LIB_BIO, BIO_R_PORT_MISMATCH);
return 0;
}
# if defined(OPENSSL_SYS_WINDOWS)
mh->Control.len = BIO_CMSG_SPACE(sizeof(struct in6_pktinfo));
# else
mh->msg_controllen = BIO_CMSG_SPACE(sizeof(struct in6_pktinfo));
# endif
return 1;
# endif
}
# endif
return 0;
}
# endif
# if M_METHOD != M_METHOD_NONE
static int translate_flags(uint64_t flags) {
return 0;
}
# endif
static int dgram_sendmmsg(BIO *b, BIO_MSG *msg, size_t stride,
size_t num_msg, uint64_t flags, size_t *num_processed)
{
# if M_METHOD != M_METHOD_NONE && M_METHOD != M_METHOD_RECVMSG
int ret;
# endif
# if M_METHOD == M_METHOD_RECVMMSG
# define BIO_MAX_MSGS_PER_CALL 64
int sysflags;
bio_dgram_data *data = (bio_dgram_data *)b->ptr;
size_t i;
struct mmsghdr mh[BIO_MAX_MSGS_PER_CALL];
struct iovec iov[BIO_MAX_MSGS_PER_CALL];
unsigned char control[BIO_MAX_MSGS_PER_CALL][BIO_CMSG_ALLOC_LEN];
int have_local_enabled = data->local_addr_enabled;
# elif M_METHOD == M_METHOD_RECVMSG
int sysflags;
bio_dgram_data *data = (bio_dgram_data *)b->ptr;
ossl_ssize_t l;
struct msghdr mh;
struct iovec iov;
unsigned char control[BIO_CMSG_ALLOC_LEN];
int have_local_enabled = data->local_addr_enabled;
# elif M_METHOD == M_METHOD_WSARECVMSG
bio_dgram_data *data = (bio_dgram_data *)b->ptr;
int have_local_enabled = data->local_addr_enabled;
WSAMSG wmsg;
WSABUF wbuf;
DWORD num_bytes_sent = 0;
unsigned char control[BIO_CMSG_ALLOC_LEN];
# endif
# if M_METHOD == M_METHOD_RECVFROM || M_METHOD == M_METHOD_WSARECVMSG
int sysflags;
# endif
if (num_msg == 0) {
*num_processed = 0;
return 1;
}
if (num_msg > OSSL_SSIZE_MAX)
num_msg = OSSL_SSIZE_MAX;
# if M_METHOD != M_METHOD_NONE
sysflags = translate_flags(flags);
# endif
# if M_METHOD == M_METHOD_RECVMMSG
if (num_msg > BIO_MAX_MSGS_PER_CALL)
num_msg = BIO_MAX_MSGS_PER_CALL;
for (i = 0; i < num_msg; ++i) {
translate_msg(b, &mh[i].msg_hdr, &iov[i],
control[i], &BIO_MSG_N(msg, stride, i));
if (BIO_MSG_N(msg, stride, i).local != NULL) {
if (!have_local_enabled) {
ERR_raise(ERR_LIB_BIO, BIO_R_LOCAL_ADDR_NOT_AVAILABLE);
*num_processed = 0;
return 0;
}
if (pack_local(b, &mh[i].msg_hdr,
BIO_MSG_N(msg, stride, i).local) < 1) {
ERR_raise(ERR_LIB_BIO, BIO_R_LOCAL_ADDR_NOT_AVAILABLE);
*num_processed = 0;
return 0;
}
}
}
ret = sendmmsg(b->num, mh, num_msg, sysflags);
if (ret < 0) {
ERR_raise(ERR_LIB_SYS, get_last_socket_error());
*num_processed = 0;
return 0;
}
for (i = 0; i < (size_t)ret; ++i) {
BIO_MSG_N(msg, stride, i).data_len = mh[i].msg_len;
BIO_MSG_N(msg, stride, i).flags = 0;
}
*num_processed = (size_t)ret;
return 1;
# elif M_METHOD == M_METHOD_RECVMSG
translate_msg(b, &mh, &iov, control, msg);
if (msg->local != NULL) {
if (!have_local_enabled) {
ERR_raise(ERR_LIB_BIO, BIO_R_LOCAL_ADDR_NOT_AVAILABLE);
*num_processed = 0;
return 0;
}
if (pack_local(b, &mh, msg->local) < 1) {
ERR_raise(ERR_LIB_BIO, BIO_R_LOCAL_ADDR_NOT_AVAILABLE);
*num_processed = 0;
return 0;
}
}
l = sendmsg(b->num, &mh, sysflags);
if (l < 0) {
ERR_raise(ERR_LIB_SYS, get_last_socket_error());
*num_processed = 0;
return 0;
}
msg->data_len = (size_t)l;
msg->flags = 0;
*num_processed = 1;
return 1;
# elif M_METHOD == M_METHOD_WSARECVMSG || M_METHOD == M_METHOD_RECVFROM
# if M_METHOD == M_METHOD_WSARECVMSG
if (bio_WSASendMsg != NULL) {
translate_msg_win(b, &wmsg, &wbuf, control, msg);
if (msg[0].local != NULL) {
if (!have_local_enabled) {
ERR_raise(ERR_LIB_BIO, BIO_R_LOCAL_ADDR_NOT_AVAILABLE);
*num_processed = 0;
return 0;
}
if (pack_local(b, &wmsg, msg[0].local) < 1) {
ERR_raise(ERR_LIB_BIO, BIO_R_LOCAL_ADDR_NOT_AVAILABLE);
*num_processed = 0;
return 0;
}
}
ret = WSASendMsg((SOCKET)b->num, &wmsg, 0, &num_bytes_sent, NULL, NULL);
if (ret < 0) {
ERR_raise(ERR_LIB_SYS, get_last_socket_error());
*num_processed = 0;
return 0;
}
msg[0].data_len = num_bytes_sent;
msg[0].flags = 0;
*num_processed = 1;
return 1;
}
# endif
if (msg[0].local != NULL) {
ERR_raise(ERR_LIB_BIO, BIO_R_LOCAL_ADDR_NOT_AVAILABLE);
*num_processed = 0;
return 0;
}
ret = sendto(b->num, msg[0].data,
# if defined(OPENSSL_SYS_WINDOWS)
(int)msg[0].data_len,
# else
msg[0].data_len,
# endif
sysflags,
msg[0].peer != NULL ? BIO_ADDR_sockaddr(msg[0].peer) : NULL,
msg[0].peer != NULL ? BIO_ADDR_sockaddr_size(msg[0].peer) : 0);
if (ret <= 0) {
ERR_raise(ERR_LIB_SYS, get_last_socket_error());
*num_processed = 0;
return 0;
}
msg[0].data_len = ret;
msg[0].flags = 0;
*num_processed = 1;
return 1;
# else
ERR_raise(ERR_LIB_BIO, BIO_R_UNSUPPORTED_METHOD);
*num_processed = 0;
return 0;
# endif
}
static int dgram_recvmmsg(BIO *b, BIO_MSG *msg,
size_t stride, size_t num_msg,
uint64_t flags, size_t *num_processed)
{
# if M_METHOD != M_METHOD_NONE && M_METHOD != M_METHOD_RECVMSG
int ret;
# endif
# if M_METHOD == M_METHOD_RECVMMSG
int sysflags;
bio_dgram_data *data = (bio_dgram_data *)b->ptr;
size_t i;
struct mmsghdr mh[BIO_MAX_MSGS_PER_CALL];
struct iovec iov[BIO_MAX_MSGS_PER_CALL];
unsigned char control[BIO_MAX_MSGS_PER_CALL][BIO_CMSG_ALLOC_LEN];
int have_local_enabled = data->local_addr_enabled;
# elif M_METHOD == M_METHOD_RECVMSG
int sysflags;
bio_dgram_data *data = (bio_dgram_data *)b->ptr;
ossl_ssize_t l;
struct msghdr mh;
struct iovec iov;
unsigned char control[BIO_CMSG_ALLOC_LEN];
int have_local_enabled = data->local_addr_enabled;
# elif M_METHOD == M_METHOD_WSARECVMSG
bio_dgram_data *data = (bio_dgram_data *)b->ptr;
int have_local_enabled = data->local_addr_enabled;
WSAMSG wmsg;
WSABUF wbuf;
DWORD num_bytes_received = 0;
unsigned char control[BIO_CMSG_ALLOC_LEN];
# endif
# if M_METHOD == M_METHOD_RECVFROM || M_METHOD == M_METHOD_WSARECVMSG
int sysflags;
socklen_t slen;
# endif
if (num_msg == 0) {
*num_processed = 0;
return 1;
}
if (num_msg > OSSL_SSIZE_MAX)
num_msg = OSSL_SSIZE_MAX;
# if M_METHOD != M_METHOD_NONE
sysflags = translate_flags(flags);
# endif
# if M_METHOD == M_METHOD_RECVMMSG
if (num_msg > BIO_MAX_MSGS_PER_CALL)
num_msg = BIO_MAX_MSGS_PER_CALL;
for (i = 0; i < num_msg; ++i) {
translate_msg(b, &mh[i].msg_hdr, &iov[i],
control[i], &BIO_MSG_N(msg, stride, i));
if (BIO_MSG_N(msg, stride, i).local != NULL && !have_local_enabled) {
ERR_raise(ERR_LIB_BIO, BIO_R_LOCAL_ADDR_NOT_AVAILABLE);
*num_processed = 0;
return 0;
}
}
ret = recvmmsg(b->num, mh, num_msg, sysflags, NULL);
if (ret < 0) {
ERR_raise(ERR_LIB_SYS, get_last_socket_error());
*num_processed = 0;
return 0;
}
for (i = 0; i < (size_t)ret; ++i) {
BIO_MSG_N(msg, stride, i).data_len = mh[i].msg_len;
BIO_MSG_N(msg, stride, i).flags = 0;
if (BIO_MSG_N(msg, stride, i).local != NULL)
if (extract_local(b, &mh[i].msg_hdr,
BIO_MSG_N(msg, stride, i).local) < 1)
BIO_ADDR_clear(msg->local);
}
*num_processed = (size_t)ret;
return 1;
# elif M_METHOD == M_METHOD_RECVMSG
translate_msg(b, &mh, &iov, control, msg);
if (msg->local != NULL && !have_local_enabled) {
ERR_raise(ERR_LIB_BIO, BIO_R_LOCAL_ADDR_NOT_AVAILABLE);
*num_processed = 0;
return 0;
}
l = recvmsg(b->num, &mh, sysflags);
if (l < 0) {
ERR_raise(ERR_LIB_SYS, get_last_socket_error());
*num_processed = 0;
return 0;
}
msg->data_len = (size_t)l;
msg->flags = 0;
if (msg->local != NULL)
if (extract_local(b, &mh, msg->local) < 1)
BIO_ADDR_clear(msg->local);
*num_processed = 1;
return 1;
# elif M_METHOD == M_METHOD_RECVFROM || M_METHOD == M_METHOD_WSARECVMSG
# if M_METHOD == M_METHOD_WSARECVMSG
if (bio_WSARecvMsg != NULL) {
translate_msg_win(b, &wmsg, &wbuf, control, msg);
if (msg[0].local != NULL && !have_local_enabled) {
ERR_raise(ERR_LIB_BIO, BIO_R_LOCAL_ADDR_NOT_AVAILABLE);
*num_processed = 0;
return 0;
}
ret = WSARecvMsg((SOCKET)b->num, &wmsg, &num_bytes_received, NULL, NULL);
if (ret < 0) {
ERR_raise(ERR_LIB_SYS, get_last_socket_error());
*num_processed = 0;
return 0;
}
msg[0].data_len = num_bytes_received;
msg[0].flags = 0;
if (msg[0].local != NULL)
if (extract_local(b, &wmsg, msg[0].local) < 1)
BIO_ADDR_clear(msg[0].local);
*num_processed = 1;
return 1;
}
# endif
if (msg[0].local != NULL) {
ERR_raise(ERR_LIB_BIO, BIO_R_LOCAL_ADDR_NOT_AVAILABLE);
*num_processed = 0;
return 0;
}
slen = sizeof(*msg[0].peer);
ret = recvfrom(b->num, msg[0].data,
# if defined(OPENSSL_SYS_WINDOWS)
(int)msg[0].data_len,
# else
msg[0].data_len,
# endif
sysflags,
msg[0].peer != NULL ? &msg[0].peer->sa : NULL,
msg[0].peer != NULL ? &slen : NULL);
if (ret <= 0) {
ERR_raise(ERR_LIB_SYS, get_last_socket_error());
return 0;
}
msg[0].data_len = ret;
msg[0].flags = 0;
*num_processed = 1;
return 1;
# else
ERR_raise(ERR_LIB_BIO, BIO_R_UNSUPPORTED_METHOD);
*num_processed = 0;
return 0;
# endif
}
# ifndef OPENSSL_NO_SCTP
const BIO_METHOD *BIO_s_datagram_sctp(void)
{
return &methods_dgramp_sctp;
}
BIO *BIO_new_dgram_sctp(int fd, int close_flag)
{
BIO *bio;
int ret, optval = 20000;
int auth_data = 0, auth_forward = 0;
unsigned char *p;
struct sctp_authchunk auth;
struct sctp_authchunks *authchunks;
socklen_t sockopt_len;
# ifdef SCTP_AUTHENTICATION_EVENT
# ifdef SCTP_EVENT
struct sctp_event event;
# else
struct sctp_event_subscribe event;
# endif
# endif
bio = BIO_new(BIO_s_datagram_sctp());
if (bio == NULL)
return NULL;
BIO_set_fd(bio, fd, close_flag);
auth.sauth_chunk = OPENSSL_SCTP_DATA_CHUNK_TYPE;
ret =
setsockopt(fd, IPPROTO_SCTP, SCTP_AUTH_CHUNK, &auth,
sizeof(struct sctp_authchunk));
if (ret < 0) {
BIO_vfree(bio);
ERR_raise_data(ERR_LIB_BIO, ERR_R_SYS_LIB,
"Ensure SCTP AUTH chunks are enabled in kernel");
return NULL;
}
auth.sauth_chunk = OPENSSL_SCTP_FORWARD_CUM_TSN_CHUNK_TYPE;
ret =
setsockopt(fd, IPPROTO_SCTP, SCTP_AUTH_CHUNK, &auth,
sizeof(struct sctp_authchunk));
if (ret < 0) {
BIO_vfree(bio);
ERR_raise_data(ERR_LIB_BIO, ERR_R_SYS_LIB,
"Ensure SCTP AUTH chunks are enabled in kernel");
return NULL;
}
sockopt_len = (socklen_t) (sizeof(sctp_assoc_t) + 256 * sizeof(uint8_t));
authchunks = OPENSSL_zalloc(sockopt_len);
if (authchunks == NULL) {
BIO_vfree(bio);
return NULL;
}
ret = getsockopt(fd, IPPROTO_SCTP, SCTP_LOCAL_AUTH_CHUNKS, authchunks,
&sockopt_len);
if (ret < 0) {
OPENSSL_free(authchunks);
BIO_vfree(bio);
return NULL;
}
for (p = (unsigned char *)authchunks->gauth_chunks;
p < (unsigned char *)authchunks + sockopt_len;
p += sizeof(uint8_t)) {
if (*p == OPENSSL_SCTP_DATA_CHUNK_TYPE)
auth_data = 1;
if (*p == OPENSSL_SCTP_FORWARD_CUM_TSN_CHUNK_TYPE)
auth_forward = 1;
}
OPENSSL_free(authchunks);
if (!auth_data || !auth_forward) {
BIO_vfree(bio);
ERR_raise_data(ERR_LIB_BIO, ERR_R_SYS_LIB,
"Ensure SCTP AUTH chunks are enabled on the "
"underlying socket");
return NULL;
}
# ifdef SCTP_AUTHENTICATION_EVENT
# ifdef SCTP_EVENT
memset(&event, 0, sizeof(event));
event.se_assoc_id = 0;
event.se_type = SCTP_AUTHENTICATION_EVENT;
event.se_on = 1;
ret =
setsockopt(fd, IPPROTO_SCTP, SCTP_EVENT, &event,
sizeof(struct sctp_event));
if (ret < 0) {
BIO_vfree(bio);
return NULL;
}
# else
sockopt_len = (socklen_t) sizeof(struct sctp_event_subscribe);
ret = getsockopt(fd, IPPROTO_SCTP, SCTP_EVENTS, &event, &sockopt_len);
if (ret < 0) {
BIO_vfree(bio);
return NULL;
}
event.sctp_authentication_event = 1;
ret =
setsockopt(fd, IPPROTO_SCTP, SCTP_EVENTS, &event,
sizeof(struct sctp_event_subscribe));
if (ret < 0) {
BIO_vfree(bio);
return NULL;
}
# endif
# endif
ret =
setsockopt(fd, IPPROTO_SCTP, SCTP_PARTIAL_DELIVERY_POINT, &optval,
sizeof(optval));
if (ret < 0) {
BIO_vfree(bio);
return NULL;
}
return bio;
}
int BIO_dgram_is_sctp(BIO *bio)
{
return (BIO_method_type(bio) == BIO_TYPE_DGRAM_SCTP);
}
static int dgram_sctp_new(BIO *bi)
{
bio_dgram_sctp_data *data = NULL;
bi->init = 0;
bi->num = 0;
if ((data = OPENSSL_zalloc(sizeof(*data))) == NULL)
return 0;
# ifdef SCTP_PR_SCTP_NONE
data->prinfo.pr_policy = SCTP_PR_SCTP_NONE;
# endif
bi->ptr = data;
bi->flags = 0;
return 1;
}
static int dgram_sctp_free(BIO *a)
{
bio_dgram_sctp_data *data;
if (a == NULL)
return 0;
if (!dgram_clear(a))
return 0;
data = (bio_dgram_sctp_data *) a->ptr;
if (data != NULL)
OPENSSL_free(data);
return 1;
}
# ifdef SCTP_AUTHENTICATION_EVENT
void dgram_sctp_handle_auth_free_key_event(BIO *b,
union sctp_notification *snp)
{
int ret;
struct sctp_authkey_event *authkeyevent = &snp->sn_auth_event;
if (authkeyevent->auth_indication == SCTP_AUTH_FREE_KEY) {
struct sctp_authkeyid authkeyid;
authkeyid.scact_keynumber = authkeyevent->auth_keynumber;
ret = setsockopt(b->num, IPPROTO_SCTP, SCTP_AUTH_DELETE_KEY,
&authkeyid, sizeof(struct sctp_authkeyid));
}
}
# endif
static int dgram_sctp_read(BIO *b, char *out, int outl)
{
int ret = 0, n = 0, i, optval;
socklen_t optlen;
bio_dgram_sctp_data *data = (bio_dgram_sctp_data *) b->ptr;
struct msghdr msg;
struct iovec iov;
struct cmsghdr *cmsg;
char cmsgbuf[512];
if (out != NULL) {
clear_socket_error();
do {
memset(&data->rcvinfo, 0, sizeof(data->rcvinfo));
iov.iov_base = out;
iov.iov_len = outl;
msg.msg_name = NULL;
msg.msg_namelen = 0;
msg.msg_iov = &iov;
msg.msg_iovlen = 1;
msg.msg_control = cmsgbuf;
msg.msg_controllen = 512;
msg.msg_flags = 0;
n = recvmsg(b->num, &msg, 0);
if (n <= 0) {
if (n < 0)
ret = n;
break;
}
if (msg.msg_controllen > 0) {
for (cmsg = CMSG_FIRSTHDR(&msg); cmsg;
cmsg = CMSG_NXTHDR(&msg, cmsg)) {
if (cmsg->cmsg_level != IPPROTO_SCTP)
continue;
# ifdef SCTP_RCVINFO
if (cmsg->cmsg_type == SCTP_RCVINFO) {
struct sctp_rcvinfo *rcvinfo;
rcvinfo = (struct sctp_rcvinfo *)CMSG_DATA(cmsg);
data->rcvinfo.rcv_sid = rcvinfo->rcv_sid;
data->rcvinfo.rcv_ssn = rcvinfo->rcv_ssn;
data->rcvinfo.rcv_flags = rcvinfo->rcv_flags;
data->rcvinfo.rcv_ppid = rcvinfo->rcv_ppid;
data->rcvinfo.rcv_tsn = rcvinfo->rcv_tsn;
data->rcvinfo.rcv_cumtsn = rcvinfo->rcv_cumtsn;
data->rcvinfo.rcv_context = rcvinfo->rcv_context;
}
# endif
# ifdef SCTP_SNDRCV
if (cmsg->cmsg_type == SCTP_SNDRCV) {
struct sctp_sndrcvinfo *sndrcvinfo;
sndrcvinfo =
(struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
data->rcvinfo.rcv_sid = sndrcvinfo->sinfo_stream;
data->rcvinfo.rcv_ssn = sndrcvinfo->sinfo_ssn;
data->rcvinfo.rcv_flags = sndrcvinfo->sinfo_flags;
data->rcvinfo.rcv_ppid = sndrcvinfo->sinfo_ppid;
data->rcvinfo.rcv_tsn = sndrcvinfo->sinfo_tsn;
data->rcvinfo.rcv_cumtsn = sndrcvinfo->sinfo_cumtsn;
data->rcvinfo.rcv_context = sndrcvinfo->sinfo_context;
}
# endif
}
}
if (msg.msg_flags & MSG_NOTIFICATION) {
union sctp_notification snp;
memcpy(&snp, out, sizeof(snp));
if (snp.sn_header.sn_type == SCTP_SENDER_DRY_EVENT) {
# ifdef SCTP_EVENT
struct sctp_event event;
# else
struct sctp_event_subscribe event;
socklen_t eventsize;
# endif
# ifdef SCTP_EVENT
memset(&event, 0, sizeof(event));
event.se_assoc_id = 0;
event.se_type = SCTP_SENDER_DRY_EVENT;
event.se_on = 0;
i = setsockopt(b->num, IPPROTO_SCTP, SCTP_EVENT, &event,
sizeof(struct sctp_event));
if (i < 0) {
ret = i;
break;
}
# else
eventsize = sizeof(struct sctp_event_subscribe);
i = getsockopt(b->num, IPPROTO_SCTP, SCTP_EVENTS, &event,
&eventsize);
if (i < 0) {
ret = i;
break;
}
event.sctp_sender_dry_event = 0;
i = setsockopt(b->num, IPPROTO_SCTP, SCTP_EVENTS, &event,
sizeof(struct sctp_event_subscribe));
if (i < 0) {
ret = i;
break;
}
# endif
}
# ifdef SCTP_AUTHENTICATION_EVENT
if (snp.sn_header.sn_type == SCTP_AUTHENTICATION_EVENT)
dgram_sctp_handle_auth_free_key_event(b, &snp);
# endif
if (data->handle_notifications != NULL)
data->handle_notifications(b, data->notification_context,
(void *)out);
memset(&snp, 0, sizeof(snp));
memset(out, 0, outl);
} else {
ret += n;
}
}
while ((msg.msg_flags & MSG_NOTIFICATION) && (msg.msg_flags & MSG_EOR)
&& (ret < outl));
if (ret > 0 && !(msg.msg_flags & MSG_EOR)) {
if (ret == outl)
return -1;
optlen = (socklen_t) sizeof(int);
ret = getsockopt(b->num, SOL_SOCKET, SO_RCVBUF, &optval, &optlen);
if (ret >= 0)
OPENSSL_assert(optval >= 18445);
optlen = (socklen_t) sizeof(int);
ret =
getsockopt(b->num, IPPROTO_SCTP, SCTP_PARTIAL_DELIVERY_POINT,
&optval, &optlen);
if (ret >= 0)
OPENSSL_assert(optval >= 18445);
OPENSSL_assert(!(msg.msg_flags & MSG_NOTIFICATION));
memset(out, 0, outl);
BIO_set_retry_read(b);
return -1;
}
BIO_clear_retry_flags(b);
if (ret < 0) {
if (BIO_dgram_should_retry(ret)) {
BIO_set_retry_read(b);
data->dgram._errno = get_last_socket_error();
}
}
if (!data->peer_auth_tested) {
int ii, auth_data = 0, auth_forward = 0;
unsigned char *p;
struct sctp_authchunks *authchunks;
optlen =
(socklen_t) (sizeof(sctp_assoc_t) + 256 * sizeof(uint8_t));
authchunks = OPENSSL_malloc(optlen);
if (authchunks == NULL)
return -1;
memset(authchunks, 0, optlen);
ii = getsockopt(b->num, IPPROTO_SCTP, SCTP_PEER_AUTH_CHUNKS,
authchunks, &optlen);
if (ii >= 0)
for (p = (unsigned char *)authchunks->gauth_chunks;
p < (unsigned char *)authchunks + optlen;
p += sizeof(uint8_t)) {
if (*p == OPENSSL_SCTP_DATA_CHUNK_TYPE)
auth_data = 1;
if (*p == OPENSSL_SCTP_FORWARD_CUM_TSN_CHUNK_TYPE)
auth_forward = 1;
}
OPENSSL_free(authchunks);
if (!auth_data || !auth_forward) {
ERR_raise(ERR_LIB_BIO, BIO_R_CONNECT_ERROR);
return -1;
}
data->peer_auth_tested = 1;
}
}
return ret;
}
static int dgram_sctp_write(BIO *b, const char *in, int inl)
{
int ret;
bio_dgram_sctp_data *data = (bio_dgram_sctp_data *) b->ptr;
struct bio_dgram_sctp_sndinfo *sinfo = &(data->sndinfo);
struct bio_dgram_sctp_prinfo *pinfo = &(data->prinfo);
struct bio_dgram_sctp_sndinfo handshake_sinfo;
struct iovec iov[1];
struct msghdr msg;
struct cmsghdr *cmsg;
# if defined(SCTP_SNDINFO) && defined(SCTP_PRINFO)
char cmsgbuf[CMSG_SPACE(sizeof(struct sctp_sndinfo)) +
CMSG_SPACE(sizeof(struct sctp_prinfo))];
struct sctp_sndinfo *sndinfo;
struct sctp_prinfo *prinfo;
# else
char cmsgbuf[CMSG_SPACE(sizeof(struct sctp_sndrcvinfo))];
struct sctp_sndrcvinfo *sndrcvinfo;
# endif
clear_socket_error();
if (in[0] != 23) {
memset(&handshake_sinfo, 0, sizeof(handshake_sinfo));
# ifdef SCTP_SACK_IMMEDIATELY
handshake_sinfo.snd_flags = SCTP_SACK_IMMEDIATELY;
# endif
sinfo = &handshake_sinfo;
}
if (data->save_shutdown) {
ret = BIO_dgram_sctp_wait_for_dry(b);
if (ret < 0)
return -1;
if (ret == 0) {
BIO_clear_retry_flags(b);
BIO_set_retry_write(b);
return -1;
}
}
iov[0].iov_base = (char *)in;
iov[0].iov_len = inl;
msg.msg_name = NULL;
msg.msg_namelen = 0;
msg.msg_iov = iov;
msg.msg_iovlen = 1;
msg.msg_control = (caddr_t) cmsgbuf;
msg.msg_controllen = 0;
msg.msg_flags = 0;
# if defined(SCTP_SNDINFO) && defined(SCTP_PRINFO)
cmsg = (struct cmsghdr *)cmsgbuf;
cmsg->cmsg_level = IPPROTO_SCTP;
cmsg->cmsg_type = SCTP_SNDINFO;
cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndinfo));
sndinfo = (struct sctp_sndinfo *)CMSG_DATA(cmsg);
memset(sndinfo, 0, sizeof(*sndinfo));
sndinfo->snd_sid = sinfo->snd_sid;
sndinfo->snd_flags = sinfo->snd_flags;
sndinfo->snd_ppid = sinfo->snd_ppid;
sndinfo->snd_context = sinfo->snd_context;
msg.msg_controllen += CMSG_SPACE(sizeof(struct sctp_sndinfo));
cmsg =
(struct cmsghdr *)&cmsgbuf[CMSG_SPACE(sizeof(struct sctp_sndinfo))];
cmsg->cmsg_level = IPPROTO_SCTP;
cmsg->cmsg_type = SCTP_PRINFO;
cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_prinfo));
prinfo = (struct sctp_prinfo *)CMSG_DATA(cmsg);
memset(prinfo, 0, sizeof(*prinfo));
prinfo->pr_policy = pinfo->pr_policy;
prinfo->pr_value = pinfo->pr_value;
msg.msg_controllen += CMSG_SPACE(sizeof(struct sctp_prinfo));
# else
cmsg = (struct cmsghdr *)cmsgbuf;
cmsg->cmsg_level = IPPROTO_SCTP;
cmsg->cmsg_type = SCTP_SNDRCV;
cmsg->cmsg_len = CMSG_LEN(sizeof(struct sctp_sndrcvinfo));
sndrcvinfo = (struct sctp_sndrcvinfo *)CMSG_DATA(cmsg);
memset(sndrcvinfo, 0, sizeof(*sndrcvinfo));
sndrcvinfo->sinfo_stream = sinfo->snd_sid;
sndrcvinfo->sinfo_flags = sinfo->snd_flags;
# ifdef __FreeBSD__
sndrcvinfo->sinfo_flags |= pinfo->pr_policy;
# endif
sndrcvinfo->sinfo_ppid = sinfo->snd_ppid;
sndrcvinfo->sinfo_context = sinfo->snd_context;
sndrcvinfo->sinfo_timetolive = pinfo->pr_value;
msg.msg_controllen += CMSG_SPACE(sizeof(struct sctp_sndrcvinfo));
# endif
ret = sendmsg(b->num, &msg, 0);
BIO_clear_retry_flags(b);
if (ret <= 0) {
if (BIO_dgram_should_retry(ret)) {
BIO_set_retry_write(b);
data->dgram._errno = get_last_socket_error();
}
}
return ret;
}
static long dgram_sctp_ctrl(BIO *b, int cmd, long num, void *ptr)
{
long ret = 1;
bio_dgram_sctp_data *data = NULL;
socklen_t sockopt_len = 0;
struct sctp_authkeyid authkeyid;
struct sctp_authkey *authkey = NULL;
data = (bio_dgram_sctp_data *) b->ptr;
switch (cmd) {
case BIO_CTRL_DGRAM_QUERY_MTU:
data->dgram.mtu = 16384;
ret = data->dgram.mtu;
break;
case BIO_CTRL_DGRAM_SET_MTU:
data->dgram.mtu = 16384;
ret = data->dgram.mtu;
break;
case BIO_CTRL_DGRAM_SET_CONNECTED:
case BIO_CTRL_DGRAM_CONNECT:
ret = -1;
break;
case BIO_CTRL_DGRAM_SET_NEXT_TIMEOUT:
break;
case BIO_CTRL_DGRAM_GET_MTU_OVERHEAD:
ret = 0;
break;
case BIO_CTRL_DGRAM_SCTP_SET_IN_HANDSHAKE:
if (num > 0)
data->in_handshake = 1;
else
data->in_handshake = 0;
ret =
setsockopt(b->num, IPPROTO_SCTP, SCTP_NODELAY,
&data->in_handshake, sizeof(int));
break;
case BIO_CTRL_DGRAM_SCTP_ADD_AUTH_KEY:
sockopt_len = sizeof(struct sctp_authkeyid);
ret =
getsockopt(b->num, IPPROTO_SCTP, SCTP_AUTH_ACTIVE_KEY, &authkeyid,
&sockopt_len);
if (ret < 0)
break;
sockopt_len = sizeof(struct sctp_authkey) + 64 * sizeof(uint8_t);
authkey = OPENSSL_malloc(sockopt_len);
if (authkey == NULL) {
ret = -1;
break;
}
memset(authkey, 0, sockopt_len);
authkey->sca_keynumber = authkeyid.scact_keynumber + 1;
# ifndef __FreeBSD__
authkey->sca_keylength = 64;
# endif
memcpy(&authkey->sca_key[0], ptr, 64 * sizeof(uint8_t));
ret =
setsockopt(b->num, IPPROTO_SCTP, SCTP_AUTH_KEY, authkey,
sockopt_len);
OPENSSL_free(authkey);
authkey = NULL;
if (ret < 0)
break;
ret = setsockopt(b->num, IPPROTO_SCTP, SCTP_AUTH_ACTIVE_KEY,
&authkeyid, sizeof(struct sctp_authkeyid));
if (ret < 0)
break;
break;
case BIO_CTRL_DGRAM_SCTP_NEXT_AUTH_KEY:
sockopt_len = sizeof(struct sctp_authkeyid);
ret =
getsockopt(b->num, IPPROTO_SCTP, SCTP_AUTH_ACTIVE_KEY, &authkeyid,
&sockopt_len);
if (ret < 0)
break;
authkeyid.scact_keynumber = authkeyid.scact_keynumber + 1;
ret = setsockopt(b->num, IPPROTO_SCTP, SCTP_AUTH_ACTIVE_KEY,
&authkeyid, sizeof(struct sctp_authkeyid));
if (ret < 0)
break;
data->ccs_sent = 1;
case BIO_CTRL_DGRAM_SCTP_AUTH_CCS_RCVD:
if (cmd == BIO_CTRL_DGRAM_SCTP_AUTH_CCS_RCVD)
data->ccs_rcvd = 1;
if (data->ccs_rcvd == 1 && data->ccs_sent == 1) {
sockopt_len = sizeof(struct sctp_authkeyid);
ret =
getsockopt(b->num, IPPROTO_SCTP, SCTP_AUTH_ACTIVE_KEY,
&authkeyid, &sockopt_len);
if (ret < 0)
break;
authkeyid.scact_keynumber = authkeyid.scact_keynumber - 1;
# ifdef SCTP_AUTH_DEACTIVATE_KEY
sockopt_len = sizeof(struct sctp_authkeyid);
ret = setsockopt(b->num, IPPROTO_SCTP, SCTP_AUTH_DEACTIVATE_KEY,
&authkeyid, sockopt_len);
if (ret < 0)
break;
# endif
# ifndef SCTP_AUTHENTICATION_EVENT
if (authkeyid.scact_keynumber > 0) {
authkeyid.scact_keynumber = authkeyid.scact_keynumber - 1;
ret = setsockopt(b->num, IPPROTO_SCTP, SCTP_AUTH_DELETE_KEY,
&authkeyid, sizeof(struct sctp_authkeyid));
if (ret < 0)
break;
}
# endif
data->ccs_rcvd = 0;
data->ccs_sent = 0;
}
break;
case BIO_CTRL_DGRAM_SCTP_GET_SNDINFO:
if (num > (long)sizeof(struct bio_dgram_sctp_sndinfo))
num = sizeof(struct bio_dgram_sctp_sndinfo);
memcpy(ptr, &(data->sndinfo), num);
ret = num;
break;
case BIO_CTRL_DGRAM_SCTP_SET_SNDINFO:
if (num > (long)sizeof(struct bio_dgram_sctp_sndinfo))
num = sizeof(struct bio_dgram_sctp_sndinfo);
memcpy(&(data->sndinfo), ptr, num);
break;
case BIO_CTRL_DGRAM_SCTP_GET_RCVINFO:
if (num > (long)sizeof(struct bio_dgram_sctp_rcvinfo))
num = sizeof(struct bio_dgram_sctp_rcvinfo);
memcpy(ptr, &data->rcvinfo, num);
ret = num;
break;
case BIO_CTRL_DGRAM_SCTP_SET_RCVINFO:
if (num > (long)sizeof(struct bio_dgram_sctp_rcvinfo))
num = sizeof(struct bio_dgram_sctp_rcvinfo);
memcpy(&(data->rcvinfo), ptr, num);
break;
case BIO_CTRL_DGRAM_SCTP_GET_PRINFO:
if (num > (long)sizeof(struct bio_dgram_sctp_prinfo))
num = sizeof(struct bio_dgram_sctp_prinfo);
memcpy(ptr, &(data->prinfo), num);
ret = num;
break;
case BIO_CTRL_DGRAM_SCTP_SET_PRINFO:
if (num > (long)sizeof(struct bio_dgram_sctp_prinfo))
num = sizeof(struct bio_dgram_sctp_prinfo);
memcpy(&(data->prinfo), ptr, num);
break;
case BIO_CTRL_DGRAM_SCTP_SAVE_SHUTDOWN:
if (num > 0)
data->save_shutdown = 1;
else
data->save_shutdown = 0;
break;
case BIO_CTRL_DGRAM_SCTP_WAIT_FOR_DRY:
return dgram_sctp_wait_for_dry(b);
case BIO_CTRL_DGRAM_SCTP_MSG_WAITING:
return dgram_sctp_msg_waiting(b);
default:
ret = dgram_ctrl(b, cmd, num, ptr);
break;
}
return ret;
}
int BIO_dgram_sctp_notification_cb(BIO *b,
BIO_dgram_sctp_notification_handler_fn handle_notifications,
void *context)
{
bio_dgram_sctp_data *data = (bio_dgram_sctp_data *) b->ptr;
if (handle_notifications != NULL) {
data->handle_notifications = handle_notifications;
data->notification_context = context;
} else
return -1;
return 0;
}
int BIO_dgram_sctp_wait_for_dry(BIO *b)
{
return (int)BIO_ctrl(b, BIO_CTRL_DGRAM_SCTP_WAIT_FOR_DRY, 0, NULL);
}
static int dgram_sctp_wait_for_dry(BIO *b)
{
int is_dry = 0;
int sockflags = 0;
int n, ret;
union sctp_notification snp;
struct msghdr msg;
struct iovec iov;
# ifdef SCTP_EVENT
struct sctp_event event;
# else
struct sctp_event_subscribe event;
socklen_t eventsize;
# endif
bio_dgram_sctp_data *data = (bio_dgram_sctp_data *) b->ptr;
# ifdef SCTP_EVENT
memset(&event, 0, sizeof(event));
event.se_assoc_id = 0;
event.se_type = SCTP_SENDER_DRY_EVENT;
event.se_on = 1;
ret =
setsockopt(b->num, IPPROTO_SCTP, SCTP_EVENT, &event,
sizeof(struct sctp_event));
# else
eventsize = sizeof(struct sctp_event_subscribe);
ret = getsockopt(b->num, IPPROTO_SCTP, SCTP_EVENTS, &event, &eventsize);
if (ret < 0)
return -1;
event.sctp_sender_dry_event = 1;
ret =
setsockopt(b->num, IPPROTO_SCTP, SCTP_EVENTS, &event,
sizeof(struct sctp_event_subscribe));
# endif
if (ret < 0)
return -1;
memset(&snp, 0, sizeof(snp));
iov.iov_base = (char *)&snp;
iov.iov_len = sizeof(union sctp_notification);
msg.msg_name = NULL;
msg.msg_namelen = 0;
msg.msg_iov = &iov;
msg.msg_iovlen = 1;
msg.msg_control = NULL;
msg.msg_controllen = 0;
msg.msg_flags = 0;
n = recvmsg(b->num, &msg, MSG_PEEK);
if (n <= 0) {
if ((n < 0) && (get_last_socket_error() != EAGAIN)
&& (get_last_socket_error() != EWOULDBLOCK))
return -1;
else
return 0;
}
while (msg.msg_flags & MSG_NOTIFICATION) {
memset(&snp, 0, sizeof(snp));
iov.iov_base = (char *)&snp;
iov.iov_len = sizeof(union sctp_notification);
msg.msg_name = NULL;
msg.msg_namelen = 0;
msg.msg_iov = &iov;
msg.msg_iovlen = 1;
msg.msg_control = NULL;
msg.msg_controllen = 0;
msg.msg_flags = 0;
n = recvmsg(b->num, &msg, 0);
if (n <= 0) {
if ((n < 0) && (get_last_socket_error() != EAGAIN)
&& (get_last_socket_error() != EWOULDBLOCK))
return -1;
else
return is_dry;
}
if (snp.sn_header.sn_type == SCTP_SENDER_DRY_EVENT) {
is_dry = 1;
# ifdef SCTP_EVENT
memset(&event, 0, sizeof(event));
event.se_assoc_id = 0;
event.se_type = SCTP_SENDER_DRY_EVENT;
event.se_on = 0;
ret =
setsockopt(b->num, IPPROTO_SCTP, SCTP_EVENT, &event,
sizeof(struct sctp_event));
# else
eventsize = (socklen_t) sizeof(struct sctp_event_subscribe);
ret =
getsockopt(b->num, IPPROTO_SCTP, SCTP_EVENTS, &event,
&eventsize);
if (ret < 0)
return -1;
event.sctp_sender_dry_event = 0;
ret =
setsockopt(b->num, IPPROTO_SCTP, SCTP_EVENTS, &event,
sizeof(struct sctp_event_subscribe));
# endif
if (ret < 0)
return -1;
}
# ifdef SCTP_AUTHENTICATION_EVENT
if (snp.sn_header.sn_type == SCTP_AUTHENTICATION_EVENT)
dgram_sctp_handle_auth_free_key_event(b, &snp);
# endif
if (data->handle_notifications != NULL)
data->handle_notifications(b, data->notification_context,
(void *)&snp);
memset(&snp, 0, sizeof(snp));
iov.iov_base = (char *)&snp;
iov.iov_len = sizeof(union sctp_notification);
msg.msg_name = NULL;
msg.msg_namelen = 0;
msg.msg_iov = &iov;
msg.msg_iovlen = 1;
msg.msg_control = NULL;
msg.msg_controllen = 0;
msg.msg_flags = 0;
if (is_dry) {
sockflags = fcntl(b->num, F_GETFL, 0);
fcntl(b->num, F_SETFL, O_NONBLOCK);
}
n = recvmsg(b->num, &msg, MSG_PEEK);
if (is_dry) {
fcntl(b->num, F_SETFL, sockflags);
}
if (n <= 0) {
if ((n < 0) && (get_last_socket_error() != EAGAIN)
&& (get_last_socket_error() != EWOULDBLOCK))
return -1;
else
return is_dry;
}
}
return is_dry;
}
int BIO_dgram_sctp_msg_waiting(BIO *b)
{
return (int)BIO_ctrl(b, BIO_CTRL_DGRAM_SCTP_MSG_WAITING, 0, NULL);
}
static int dgram_sctp_msg_waiting(BIO *b)
{
int n, sockflags;
union sctp_notification snp;
struct msghdr msg;
struct iovec iov;
bio_dgram_sctp_data *data = (bio_dgram_sctp_data *) b->ptr;
do {
memset(&snp, 0, sizeof(snp));
iov.iov_base = (char *)&snp;
iov.iov_len = sizeof(union sctp_notification);
msg.msg_name = NULL;
msg.msg_namelen = 0;
msg.msg_iov = &iov;
msg.msg_iovlen = 1;
msg.msg_control = NULL;
msg.msg_controllen = 0;
msg.msg_flags = 0;
sockflags = fcntl(b->num, F_GETFL, 0);
fcntl(b->num, F_SETFL, O_NONBLOCK);
n = recvmsg(b->num, &msg, MSG_PEEK);
fcntl(b->num, F_SETFL, sockflags);
if (n > 0 && (msg.msg_flags & MSG_NOTIFICATION)) {
# ifdef SCTP_AUTHENTICATION_EVENT
if (snp.sn_header.sn_type == SCTP_AUTHENTICATION_EVENT)
dgram_sctp_handle_auth_free_key_event(b, &snp);
# endif
memset(&snp, 0, sizeof(snp));
iov.iov_base = (char *)&snp;
iov.iov_len = sizeof(union sctp_notification);
msg.msg_name = NULL;
msg.msg_namelen = 0;
msg.msg_iov = &iov;
msg.msg_iovlen = 1;
msg.msg_control = NULL;
msg.msg_controllen = 0;
msg.msg_flags = 0;
n = recvmsg(b->num, &msg, 0);
if (data->handle_notifications != NULL)
data->handle_notifications(b, data->notification_context,
(void *)&snp);
}
} while (n > 0 && (msg.msg_flags & MSG_NOTIFICATION));
if (n > 0)
return 1;
else
return 0;
}
static int dgram_sctp_puts(BIO *bp, const char *str)
{
int n, ret;
n = strlen(str);
ret = dgram_sctp_write(bp, str, n);
return ret;
}
# endif
static int BIO_dgram_should_retry(int i)
{
int err;
if ((i == 0) || (i == -1)) {
err = get_last_socket_error();
# if defined(OPENSSL_SYS_WINDOWS)
# endif
return BIO_dgram_non_fatal_error(err);
}
return 0;
}
int BIO_dgram_non_fatal_error(int err)
{
switch (err) {
# if defined(OPENSSL_SYS_WINDOWS)
# if defined(WSAEWOULDBLOCK)
case WSAEWOULDBLOCK:
# endif
# endif
# ifdef EWOULDBLOCK
# ifdef WSAEWOULDBLOCK
# if WSAEWOULDBLOCK != EWOULDBLOCK
case EWOULDBLOCK:
# endif
# else
case EWOULDBLOCK:
# endif
# endif
# ifdef EINTR
case EINTR:
# endif
# ifdef EAGAIN
# if EWOULDBLOCK != EAGAIN
case EAGAIN:
# endif
# endif
# ifdef EPROTO
case EPROTO:
# endif
# ifdef EINPROGRESS
case EINPROGRESS:
# endif
# ifdef EALREADY
case EALREADY:
# endif
return 1;
default:
break;
}
return 0;
}
#endif
| bio | openssl/crypto/bio/bss_dgram.c | openssl |
#include <stdio.h>
#include <string.h>
#include "internal/cryptlib.h"
#include "crypto/ctype.h"
#include "internal/numbers.h"
#include <openssl/bio.h>
#include <openssl/configuration.h>
#ifdef HAVE_LONG_DOUBLE
# define LDOUBLE long double
#else
# define LDOUBLE double
#endif
static int fmtstr(char **, char **, size_t *, size_t *,
const char *, int, int, int);
static int fmtint(char **, char **, size_t *, size_t *,
int64_t, int, int, int, int);
#ifndef OPENSSL_SYS_UEFI
static int fmtfp(char **, char **, size_t *, size_t *,
LDOUBLE, int, int, int, int);
#endif
static int doapr_outch(char **, char **, size_t *, size_t *, int);
static int _dopr(char **sbuffer, char **buffer,
size_t *maxlen, size_t *retlen, int *truncated,
const char *format, va_list args);
#define DP_S_DEFAULT 0
#define DP_S_FLAGS 1
#define DP_S_MIN 2
#define DP_S_DOT 3
#define DP_S_MAX 4
#define DP_S_MOD 5
#define DP_S_CONV 6
#define DP_S_DONE 7
#define DP_F_MINUS (1 << 0)
#define DP_F_PLUS (1 << 1)
#define DP_F_SPACE (1 << 2)
#define DP_F_NUM (1 << 3)
#define DP_F_ZERO (1 << 4)
#define DP_F_UP (1 << 5)
#define DP_F_UNSIGNED (1 << 6)
#define DP_C_SHORT 1
#define DP_C_LONG 2
#define DP_C_LDOUBLE 3
#define DP_C_LLONG 4
#define DP_C_SIZE 5
#define F_FORMAT 0
#define E_FORMAT 1
#define G_FORMAT 2
#define char_to_int(p) (p - '0')
#define OSSL_MAX(p,q) ((p >= q) ? p : q)
static int
_dopr(char **sbuffer,
char **buffer,
size_t *maxlen,
size_t *retlen, int *truncated, const char *format, va_list args)
{
char ch;
int64_t value;
#ifndef OPENSSL_SYS_UEFI
LDOUBLE fvalue;
#endif
char *strvalue;
int min;
int max;
int state;
int flags;
int cflags;
size_t currlen;
state = DP_S_DEFAULT;
flags = currlen = cflags = min = 0;
max = -1;
ch = *format++;
while (state != DP_S_DONE) {
if (ch == '\0' || (buffer == NULL && currlen >= *maxlen))
state = DP_S_DONE;
switch (state) {
case DP_S_DEFAULT:
if (ch == '%')
state = DP_S_FLAGS;
else
if (!doapr_outch(sbuffer, buffer, &currlen, maxlen, ch))
return 0;
ch = *format++;
break;
case DP_S_FLAGS:
switch (ch) {
case '-':
flags |= DP_F_MINUS;
ch = *format++;
break;
case '+':
flags |= DP_F_PLUS;
ch = *format++;
break;
case ' ':
flags |= DP_F_SPACE;
ch = *format++;
break;
case '#':
flags |= DP_F_NUM;
ch = *format++;
break;
case '0':
flags |= DP_F_ZERO;
ch = *format++;
break;
default:
state = DP_S_MIN;
break;
}
break;
case DP_S_MIN:
if (ossl_isdigit(ch)) {
min = 10 * min + char_to_int(ch);
ch = *format++;
} else if (ch == '*') {
min = va_arg(args, int);
ch = *format++;
state = DP_S_DOT;
} else
state = DP_S_DOT;
break;
case DP_S_DOT:
if (ch == '.') {
state = DP_S_MAX;
ch = *format++;
} else
state = DP_S_MOD;
break;
case DP_S_MAX:
if (ossl_isdigit(ch)) {
if (max < 0)
max = 0;
max = 10 * max + char_to_int(ch);
ch = *format++;
} else if (ch == '*') {
max = va_arg(args, int);
ch = *format++;
state = DP_S_MOD;
} else
state = DP_S_MOD;
break;
case DP_S_MOD:
switch (ch) {
case 'h':
cflags = DP_C_SHORT;
ch = *format++;
break;
case 'l':
if (*format == 'l') {
cflags = DP_C_LLONG;
format++;
} else
cflags = DP_C_LONG;
ch = *format++;
break;
case 'q':
case 'j':
cflags = DP_C_LLONG;
ch = *format++;
break;
case 'L':
cflags = DP_C_LDOUBLE;
ch = *format++;
break;
case 'z':
cflags = DP_C_SIZE;
ch = *format++;
break;
default:
break;
}
state = DP_S_CONV;
break;
case DP_S_CONV:
switch (ch) {
case 'd':
case 'i':
switch (cflags) {
case DP_C_SHORT:
value = (short int)va_arg(args, int);
break;
case DP_C_LONG:
value = va_arg(args, long int);
break;
case DP_C_LLONG:
value = va_arg(args, int64_t);
break;
case DP_C_SIZE:
value = va_arg(args, ossl_ssize_t);
break;
default:
value = va_arg(args, int);
break;
}
if (!fmtint(sbuffer, buffer, &currlen, maxlen, value, 10, min,
max, flags))
return 0;
break;
case 'X':
flags |= DP_F_UP;
case 'x':
case 'o':
case 'u':
flags |= DP_F_UNSIGNED;
switch (cflags) {
case DP_C_SHORT:
value = (unsigned short int)va_arg(args, unsigned int);
break;
case DP_C_LONG:
value = va_arg(args, unsigned long int);
break;
case DP_C_LLONG:
value = va_arg(args, uint64_t);
break;
case DP_C_SIZE:
value = va_arg(args, size_t);
break;
default:
value = va_arg(args, unsigned int);
break;
}
if (!fmtint(sbuffer, buffer, &currlen, maxlen, value,
ch == 'o' ? 8 : (ch == 'u' ? 10 : 16),
min, max, flags))
return 0;
break;
#ifndef OPENSSL_SYS_UEFI
case 'f':
if (cflags == DP_C_LDOUBLE)
fvalue = va_arg(args, LDOUBLE);
else
fvalue = va_arg(args, double);
if (!fmtfp(sbuffer, buffer, &currlen, maxlen, fvalue, min, max,
flags, F_FORMAT))
return 0;
break;
case 'E':
flags |= DP_F_UP;
case 'e':
if (cflags == DP_C_LDOUBLE)
fvalue = va_arg(args, LDOUBLE);
else
fvalue = va_arg(args, double);
if (!fmtfp(sbuffer, buffer, &currlen, maxlen, fvalue, min, max,
flags, E_FORMAT))
return 0;
break;
case 'G':
flags |= DP_F_UP;
case 'g':
if (cflags == DP_C_LDOUBLE)
fvalue = va_arg(args, LDOUBLE);
else
fvalue = va_arg(args, double);
if (!fmtfp(sbuffer, buffer, &currlen, maxlen, fvalue, min, max,
flags, G_FORMAT))
return 0;
break;
#else
case 'f':
case 'E':
case 'e':
case 'G':
case 'g':
ERR_raise(ERR_LIB_BIO, ERR_R_UNSUPPORTED);
return 0;
#endif
case 'c':
if (!doapr_outch(sbuffer, buffer, &currlen, maxlen,
va_arg(args, int)))
return 0;
break;
case 's':
strvalue = va_arg(args, char *);
if (max < 0) {
if (buffer)
max = INT_MAX;
else
max = *maxlen;
}
if (!fmtstr(sbuffer, buffer, &currlen, maxlen, strvalue,
flags, min, max))
return 0;
break;
case 'p':
value = (size_t)va_arg(args, void *);
if (!fmtint(sbuffer, buffer, &currlen, maxlen,
value, 16, min, max, flags | DP_F_NUM))
return 0;
break;
case 'n':
{
int *num;
num = va_arg(args, int *);
*num = currlen;
}
break;
case '%':
if (!doapr_outch(sbuffer, buffer, &currlen, maxlen, ch))
return 0;
break;
case 'w':
format++;
break;
default:
break;
}
ch = *format++;
state = DP_S_DEFAULT;
flags = cflags = min = 0;
max = -1;
break;
case DP_S_DONE:
break;
default:
break;
}
}
if (buffer == NULL) {
*truncated = (currlen > *maxlen - 1);
if (*truncated)
currlen = *maxlen - 1;
}
if (!doapr_outch(sbuffer, buffer, &currlen, maxlen, '\0'))
return 0;
*retlen = currlen - 1;
return 1;
}
static int
fmtstr(char **sbuffer,
char **buffer,
size_t *currlen,
size_t *maxlen, const char *value, int flags, int min, int max)
{
int padlen;
size_t strln;
int cnt = 0;
if (value == 0)
value = "<NULL>";
strln = OPENSSL_strnlen(value, max < 0 ? SIZE_MAX : (size_t)max);
padlen = min - strln;
if (min < 0 || padlen < 0)
padlen = 0;
if (max >= 0) {
if (max < INT_MAX - padlen)
max += padlen;
else
max = INT_MAX;
}
if (flags & DP_F_MINUS)
padlen = -padlen;
while ((padlen > 0) && (max < 0 || cnt < max)) {
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, ' '))
return 0;
--padlen;
++cnt;
}
while (strln > 0 && (max < 0 || cnt < max)) {
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, *value++))
return 0;
--strln;
++cnt;
}
while ((padlen < 0) && (max < 0 || cnt < max)) {
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, ' '))
return 0;
++padlen;
++cnt;
}
return 1;
}
static int
fmtint(char **sbuffer,
char **buffer,
size_t *currlen,
size_t *maxlen, int64_t value, int base, int min, int max, int flags)
{
int signvalue = 0;
const char *prefix = "";
uint64_t uvalue;
char convert[DECIMAL_SIZE(value) + 3];
int place = 0;
int spadlen = 0;
int zpadlen = 0;
int caps = 0;
if (max < 0)
max = 0;
uvalue = value;
if (!(flags & DP_F_UNSIGNED)) {
if (value < 0) {
signvalue = '-';
uvalue = 0 - (uint64_t)value;
} else if (flags & DP_F_PLUS)
signvalue = '+';
else if (flags & DP_F_SPACE)
signvalue = ' ';
}
if (flags & DP_F_NUM) {
if (base == 8)
prefix = "0";
if (base == 16)
prefix = "0x";
}
if (flags & DP_F_UP)
caps = 1;
do {
convert[place++] = (caps ? "0123456789ABCDEF" : "0123456789abcdef")
[uvalue % (unsigned)base];
uvalue = (uvalue / (unsigned)base);
} while (uvalue && (place < (int)sizeof(convert)));
if (place == sizeof(convert))
place--;
convert[place] = 0;
zpadlen = max - place;
spadlen =
min - OSSL_MAX(max, place) - (signvalue ? 1 : 0) - strlen(prefix);
if (zpadlen < 0)
zpadlen = 0;
if (spadlen < 0)
spadlen = 0;
if (flags & DP_F_ZERO) {
zpadlen = OSSL_MAX(zpadlen, spadlen);
spadlen = 0;
}
if (flags & DP_F_MINUS)
spadlen = -spadlen;
while (spadlen > 0) {
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, ' '))
return 0;
--spadlen;
}
if (signvalue)
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, signvalue))
return 0;
while (*prefix) {
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, *prefix))
return 0;
prefix++;
}
if (zpadlen > 0) {
while (zpadlen > 0) {
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, '0'))
return 0;
--zpadlen;
}
}
while (place > 0) {
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, convert[--place]))
return 0;
}
while (spadlen < 0) {
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, ' '))
return 0;
++spadlen;
}
return 1;
}
#ifndef OPENSSL_SYS_UEFI
static LDOUBLE abs_val(LDOUBLE value)
{
LDOUBLE result = value;
if (value < 0)
result = -value;
return result;
}
static LDOUBLE pow_10(int in_exp)
{
LDOUBLE result = 1;
while (in_exp) {
result *= 10;
in_exp--;
}
return result;
}
static long roundv(LDOUBLE value)
{
long intpart;
intpart = (long)value;
value = value - intpart;
if (value >= 0.5)
intpart++;
return intpart;
}
static int
fmtfp(char **sbuffer,
char **buffer,
size_t *currlen,
size_t *maxlen, LDOUBLE fvalue, int min, int max, int flags, int style)
{
int signvalue = 0;
LDOUBLE ufvalue;
LDOUBLE tmpvalue;
char iconvert[20];
char fconvert[20];
char econvert[20];
int iplace = 0;
int fplace = 0;
int eplace = 0;
int padlen = 0;
int zpadlen = 0;
long exp = 0;
unsigned long intpart;
unsigned long fracpart;
unsigned long max10;
int realstyle;
if (max < 0)
max = 6;
if (fvalue < 0)
signvalue = '-';
else if (flags & DP_F_PLUS)
signvalue = '+';
else if (flags & DP_F_SPACE)
signvalue = ' ';
if (style == G_FORMAT) {
if (fvalue == 0.0) {
realstyle = F_FORMAT;
} else if (fvalue < 0.0001) {
realstyle = E_FORMAT;
} else if ((max == 0 && fvalue >= 10)
|| (max > 0 && fvalue >= pow_10(max))) {
realstyle = E_FORMAT;
} else {
realstyle = F_FORMAT;
}
} else {
realstyle = style;
}
if (style != F_FORMAT) {
tmpvalue = fvalue;
if (fvalue != 0.0) {
while (tmpvalue < 1) {
tmpvalue *= 10;
exp--;
}
while (tmpvalue > 10) {
tmpvalue /= 10;
exp++;
}
}
if (style == G_FORMAT) {
if (max == 0)
max = 1;
if (realstyle == F_FORMAT) {
max -= (exp + 1);
if (max < 0) {
(void)doapr_outch(sbuffer, buffer, currlen, maxlen, '\0');
return 0;
}
} else {
max--;
}
}
if (realstyle == E_FORMAT)
fvalue = tmpvalue;
}
ufvalue = abs_val(fvalue);
if (ufvalue >= (double)(ULONG_MAX - 65535) + 65536.0) {
(void)doapr_outch(sbuffer, buffer, currlen, maxlen, '\0');
return 0;
}
intpart = (unsigned long)ufvalue;
if (max > 9)
max = 9;
max10 = roundv(pow_10(max));
fracpart = roundv(pow_10(max) * (ufvalue - intpart));
if (fracpart >= max10) {
intpart++;
fracpart -= max10;
}
do {
iconvert[iplace++] = "0123456789"[intpart % 10];
intpart = (intpart / 10);
} while (intpart && (iplace < (int)sizeof(iconvert)));
if (iplace == sizeof(iconvert))
iplace--;
iconvert[iplace] = 0;
while (fplace < max) {
if (style == G_FORMAT && fplace == 0 && (fracpart % 10) == 0) {
max--;
fracpart = fracpart / 10;
if (fplace < max)
continue;
break;
}
fconvert[fplace++] = "0123456789"[fracpart % 10];
fracpart = (fracpart / 10);
}
fconvert[fplace] = 0;
if (realstyle == E_FORMAT) {
int tmpexp;
if (exp < 0)
tmpexp = -exp;
else
tmpexp = exp;
do {
econvert[eplace++] = "0123456789"[tmpexp % 10];
tmpexp = (tmpexp / 10);
} while (tmpexp > 0 && eplace < (int)sizeof(econvert));
if (tmpexp > 0) {
(void)doapr_outch(sbuffer, buffer, currlen, maxlen, '\0');
return 0;
}
if (eplace == 1)
econvert[eplace++] = '0';
}
padlen = min - iplace - max - (max > 0 ? 1 : 0) - ((signvalue) ? 1 : 0);
if (realstyle == E_FORMAT)
padlen -= 2 + eplace;
zpadlen = max - fplace;
if (zpadlen < 0)
zpadlen = 0;
if (padlen < 0)
padlen = 0;
if (flags & DP_F_MINUS)
padlen = -padlen;
if ((flags & DP_F_ZERO) && (padlen > 0)) {
if (signvalue) {
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, signvalue))
return 0;
--padlen;
signvalue = 0;
}
while (padlen > 0) {
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, '0'))
return 0;
--padlen;
}
}
while (padlen > 0) {
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, ' '))
return 0;
--padlen;
}
if (signvalue && !doapr_outch(sbuffer, buffer, currlen, maxlen, signvalue))
return 0;
while (iplace > 0) {
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, iconvert[--iplace]))
return 0;
}
if (max > 0 || (flags & DP_F_NUM)) {
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, '.'))
return 0;
while (fplace > 0) {
if (!doapr_outch(sbuffer, buffer, currlen, maxlen,
fconvert[--fplace]))
return 0;
}
}
while (zpadlen > 0) {
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, '0'))
return 0;
--zpadlen;
}
if (realstyle == E_FORMAT) {
char ech;
if ((flags & DP_F_UP) == 0)
ech = 'e';
else
ech = 'E';
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, ech))
return 0;
if (exp < 0) {
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, '-'))
return 0;
} else {
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, '+'))
return 0;
}
while (eplace > 0) {
if (!doapr_outch(sbuffer, buffer, currlen, maxlen,
econvert[--eplace]))
return 0;
}
}
while (padlen < 0) {
if (!doapr_outch(sbuffer, buffer, currlen, maxlen, ' '))
return 0;
++padlen;
}
return 1;
}
#endif
#define BUFFER_INC 1024
static int
doapr_outch(char **sbuffer,
char **buffer, size_t *currlen, size_t *maxlen, int c)
{
if (!ossl_assert(*sbuffer != NULL || buffer != NULL))
return 0;
if (!ossl_assert(*currlen <= *maxlen))
return 0;
if (buffer && *currlen == *maxlen) {
if (*maxlen > INT_MAX - BUFFER_INC)
return 0;
*maxlen += BUFFER_INC;
if (*buffer == NULL) {
if ((*buffer = OPENSSL_malloc(*maxlen)) == NULL)
return 0;
if (*currlen > 0) {
if (!ossl_assert(*sbuffer != NULL))
return 0;
memcpy(*buffer, *sbuffer, *currlen);
}
*sbuffer = NULL;
} else {
char *tmpbuf;
tmpbuf = OPENSSL_realloc(*buffer, *maxlen);
if (tmpbuf == NULL)
return 0;
*buffer = tmpbuf;
}
}
if (*currlen < *maxlen) {
if (*sbuffer)
(*sbuffer)[(*currlen)++] = (char)c;
else
(*buffer)[(*currlen)++] = (char)c;
}
return 1;
}
int BIO_printf(BIO *bio, const char *format, ...)
{
va_list args;
int ret;
va_start(args, format);
ret = BIO_vprintf(bio, format, args);
va_end(args);
return ret;
}
int BIO_vprintf(BIO *bio, const char *format, va_list args)
{
int ret;
size_t retlen;
char hugebuf[1024 * 2];
char *hugebufp = hugebuf;
size_t hugebufsize = sizeof(hugebuf);
char *dynbuf = NULL;
int ignored;
dynbuf = NULL;
if (!_dopr(&hugebufp, &dynbuf, &hugebufsize, &retlen, &ignored, format,
args)) {
OPENSSL_free(dynbuf);
return -1;
}
if (dynbuf) {
ret = BIO_write(bio, dynbuf, (int)retlen);
OPENSSL_free(dynbuf);
} else {
ret = BIO_write(bio, hugebuf, (int)retlen);
}
return ret;
}
int BIO_snprintf(char *buf, size_t n, const char *format, ...)
{
va_list args;
int ret;
va_start(args, format);
ret = BIO_vsnprintf(buf, n, format, args);
va_end(args);
return ret;
}
int BIO_vsnprintf(char *buf, size_t n, const char *format, va_list args)
{
size_t retlen;
int truncated;
if (!_dopr(&buf, NULL, &n, &retlen, &truncated, format, args))
return -1;
if (truncated)
return -1;
return (retlen <= INT_MAX) ? (int)retlen : -1;
}
| bio | openssl/crypto/bio/bio_print.c | openssl |
#include <stdio.h>
#include <stdlib.h>
#include "bio_local.h"
#ifndef OPENSSL_NO_SOCK
# define SOCKET_PROTOCOL IPPROTO_TCP
# ifdef SO_MAXCONN
# define MAX_LISTEN SO_MAXCONN
# elif defined(SOMAXCONN)
# define MAX_LISTEN SOMAXCONN
# else
# define MAX_LISTEN 32
# endif
# if defined(OPENSSL_SYS_WINDOWS)
static int wsa_init_done = 0;
# endif
# if defined __TANDEM
# include <unistd.h>
# include <sys/time.h>
# if defined(OPENSSL_TANDEM_FLOSS)
# include <floss.h(floss_select)>
# endif
# elif defined _WIN32
# include <winsock.h>
# else
# include <unistd.h>
# if defined __VMS
# include <sys/socket.h>
# elif defined _HPUX_SOURCE
# include <sys/time.h>
# else
# include <sys/select.h>
# endif
# endif
# ifndef OPENSSL_NO_DEPRECATED_1_1_0
int BIO_get_host_ip(const char *str, unsigned char *ip)
{
BIO_ADDRINFO *res = NULL;
int ret = 0;
if (BIO_sock_init() != 1)
return 0;
if (BIO_lookup(str, NULL, BIO_LOOKUP_CLIENT, AF_INET, SOCK_STREAM, &res)) {
size_t l;
if (BIO_ADDRINFO_family(res) != AF_INET) {
ERR_raise(ERR_LIB_BIO, BIO_R_GETHOSTBYNAME_ADDR_IS_NOT_AF_INET);
} else if (BIO_ADDR_rawaddress(BIO_ADDRINFO_address(res), NULL, &l)) {
if (ossl_assert(l == 4))
ret = BIO_ADDR_rawaddress(BIO_ADDRINFO_address(res), ip, &l);
}
BIO_ADDRINFO_free(res);
} else {
ERR_add_error_data(2, "host=", str);
}
return ret;
}
int BIO_get_port(const char *str, unsigned short *port_ptr)
{
BIO_ADDRINFO *res = NULL;
int ret = 0;
if (str == NULL) {
ERR_raise(ERR_LIB_BIO, BIO_R_NO_PORT_DEFINED);
return 0;
}
if (BIO_sock_init() != 1)
return 0;
if (BIO_lookup(NULL, str, BIO_LOOKUP_CLIENT, AF_INET, SOCK_STREAM, &res)) {
if (BIO_ADDRINFO_family(res) != AF_INET) {
ERR_raise(ERR_LIB_BIO, BIO_R_ADDRINFO_ADDR_IS_NOT_AF_INET);
} else {
*port_ptr = ntohs(BIO_ADDR_rawport(BIO_ADDRINFO_address(res)));
ret = 1;
}
BIO_ADDRINFO_free(res);
} else {
ERR_add_error_data(2, "host=", str);
}
return ret;
}
# endif
int BIO_sock_error(int sock)
{
int j = 0, i;
socklen_t size = sizeof(j);
i = getsockopt(sock, SOL_SOCKET, SO_ERROR, (void *)&j, &size);
if (i < 0)
return get_last_socket_error();
else
return j;
}
# ifndef OPENSSL_NO_DEPRECATED_1_1_0
struct hostent *BIO_gethostbyname(const char *name)
{
return gethostbyname(name);
}
# endif
# ifdef BIO_HAVE_WSAMSG
LPFN_WSARECVMSG bio_WSARecvMsg;
LPFN_WSASENDMSG bio_WSASendMsg;
# endif
int BIO_sock_init(void)
{
# ifdef OPENSSL_SYS_WINDOWS
static struct WSAData wsa_state;
if (!wsa_init_done) {
wsa_init_done = 1;
memset(&wsa_state, 0, sizeof(wsa_state));
if (WSAStartup(0x0202, &wsa_state) != 0) {
ERR_raise_data(ERR_LIB_SYS, get_last_socket_error(),
"calling wsastartup()");
ERR_raise(ERR_LIB_BIO, BIO_R_WSASTARTUP);
return -1;
}
# ifdef BIO_HAVE_WSAMSG
{
GUID id_WSARecvMsg = WSAID_WSARECVMSG;
GUID id_WSASendMsg = WSAID_WSASENDMSG;
DWORD len_out = 0;
SOCKET s;
s = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
if (s != INVALID_SOCKET) {
if (WSAIoctl(s, SIO_GET_EXTENSION_FUNCTION_POINTER,
&id_WSARecvMsg, sizeof(id_WSARecvMsg),
&bio_WSARecvMsg, sizeof(bio_WSARecvMsg),
&len_out, NULL, NULL) != 0
|| len_out != sizeof(bio_WSARecvMsg))
bio_WSARecvMsg = NULL;
if (WSAIoctl(s, SIO_GET_EXTENSION_FUNCTION_POINTER,
&id_WSASendMsg, sizeof(id_WSASendMsg),
&bio_WSASendMsg, sizeof(bio_WSASendMsg),
&len_out, NULL, NULL) != 0
|| len_out != sizeof(bio_WSASendMsg))
bio_WSASendMsg = NULL;
closesocket(s);
}
}
# endif
}
# endif
# ifdef WATT32
extern int _watt_do_exit;
_watt_do_exit = 0;
if (sock_init())
return -1;
# endif
return 1;
}
void bio_sock_cleanup_int(void)
{
# ifdef OPENSSL_SYS_WINDOWS
if (wsa_init_done) {
wsa_init_done = 0;
WSACleanup();
}
# endif
}
int BIO_socket_ioctl(int fd, long type, void *arg)
{
int i;
# ifdef __DJGPP__
i = ioctlsocket(fd, type, (char *)arg);
# else
# if defined(OPENSSL_SYS_VMS)
# if __INITIAL_POINTER_SIZE == 64
# define ARG arg_32p
# pragma pointer_size save
# pragma pointer_size 32
unsigned long arg_32;
unsigned long *arg_32p;
# pragma pointer_size restore
arg_32p = &arg_32;
arg_32 = *((unsigned long *)arg);
# else
# define ARG arg
# endif
# else
# define ARG arg
# endif
i = ioctlsocket(fd, type, ARG);
# endif
if (i < 0)
ERR_raise_data(ERR_LIB_SYS, get_last_socket_error(),
"calling ioctlsocket()");
return i;
}
# ifndef OPENSSL_NO_DEPRECATED_1_1_0
int BIO_get_accept_socket(char *host, int bind_mode)
{
int s = INVALID_SOCKET;
char *h = NULL, *p = NULL;
BIO_ADDRINFO *res = NULL;
if (!BIO_parse_hostserv(host, &h, &p, BIO_PARSE_PRIO_SERV))
return INVALID_SOCKET;
if (BIO_sock_init() != 1)
return INVALID_SOCKET;
if (BIO_lookup(h, p, BIO_LOOKUP_SERVER, AF_UNSPEC, SOCK_STREAM, &res) != 0)
goto err;
if ((s = BIO_socket(BIO_ADDRINFO_family(res), BIO_ADDRINFO_socktype(res),
BIO_ADDRINFO_protocol(res), 0)) == INVALID_SOCKET) {
s = INVALID_SOCKET;
goto err;
}
if (!BIO_listen(s, BIO_ADDRINFO_address(res),
bind_mode ? BIO_SOCK_REUSEADDR : 0)) {
BIO_closesocket(s);
s = INVALID_SOCKET;
}
err:
BIO_ADDRINFO_free(res);
OPENSSL_free(h);
OPENSSL_free(p);
return s;
}
int BIO_accept(int sock, char **ip_port)
{
BIO_ADDR res;
int ret = -1;
ret = BIO_accept_ex(sock, &res, 0);
if (ret == (int)INVALID_SOCKET) {
if (BIO_sock_should_retry(ret)) {
ret = -2;
goto end;
}
ERR_raise_data(ERR_LIB_SYS, get_last_socket_error(),
"calling accept()");
ERR_raise(ERR_LIB_BIO, BIO_R_ACCEPT_ERROR);
goto end;
}
if (ip_port != NULL) {
char *host = BIO_ADDR_hostname_string(&res, 1);
char *port = BIO_ADDR_service_string(&res, 1);
if (host != NULL && port != NULL) {
*ip_port = OPENSSL_zalloc(strlen(host) + strlen(port) + 2);
} else {
*ip_port = NULL;
ERR_raise(ERR_LIB_BIO, ERR_R_BIO_LIB);
}
if (*ip_port == NULL) {
BIO_closesocket(ret);
ret = (int)INVALID_SOCKET;
} else {
strcpy(*ip_port, host);
strcat(*ip_port, ":");
strcat(*ip_port, port);
}
OPENSSL_free(host);
OPENSSL_free(port);
}
end:
return ret;
}
# endif
int BIO_set_tcp_ndelay(int s, int on)
{
int ret = 0;
# if defined(TCP_NODELAY) && (defined(IPPROTO_TCP) || defined(SOL_TCP))
int opt;
# ifdef SOL_TCP
opt = SOL_TCP;
# else
# ifdef IPPROTO_TCP
opt = IPPROTO_TCP;
# endif
# endif
ret = setsockopt(s, opt, TCP_NODELAY, (char *)&on, sizeof(on));
# endif
return (ret == 0);
}
int BIO_socket_nbio(int s, int mode)
{
int ret = -1;
int l;
l = mode;
# ifdef FIONBIO
l = mode;
ret = BIO_socket_ioctl(s, FIONBIO, &l);
# elif defined(F_GETFL) && defined(F_SETFL) && (defined(O_NONBLOCK) || defined(FNDELAY))
l = fcntl(s, F_GETFL, 0);
if (l == -1) {
ERR_raise_data(ERR_LIB_SYS, get_last_sys_error(),
"calling fcntl()");
ret = -1;
} else {
# if defined(O_NONBLOCK)
l &= ~O_NONBLOCK;
# else
l &= ~FNDELAY;
# endif
if (mode) {
# if defined(O_NONBLOCK)
l |= O_NONBLOCK;
# else
l |= FNDELAY;
# endif
}
ret = fcntl(s, F_SETFL, l);
if (ret < 0) {
ERR_raise_data(ERR_LIB_SYS, get_last_sys_error(),
"calling fcntl()");
}
}
# else
ERR_raise(ERR_LIB_BIO, ERR_R_PASSED_INVALID_ARGUMENT);
# endif
return (ret == 0);
}
int BIO_sock_info(int sock,
enum BIO_sock_info_type type, union BIO_sock_info_u *info)
{
switch (type) {
case BIO_SOCK_INFO_ADDRESS:
{
socklen_t addr_len;
int ret = 0;
addr_len = sizeof(*info->addr);
ret = getsockname(sock, BIO_ADDR_sockaddr_noconst(info->addr),
&addr_len);
if (ret == -1) {
ERR_raise_data(ERR_LIB_SYS, get_last_socket_error(),
"calling getsockname()");
ERR_raise(ERR_LIB_BIO, BIO_R_GETSOCKNAME_ERROR);
return 0;
}
if ((size_t)addr_len > sizeof(*info->addr)) {
ERR_raise(ERR_LIB_BIO, BIO_R_GETSOCKNAME_TRUNCATED_ADDRESS);
return 0;
}
}
break;
default:
ERR_raise(ERR_LIB_BIO, BIO_R_UNKNOWN_INFO_TYPE);
return 0;
}
return 1;
}
int BIO_socket_wait(int fd, int for_read, time_t max_time)
{
fd_set confds;
struct timeval tv;
time_t now;
if (fd < 0 || fd >= FD_SETSIZE)
return -1;
if (max_time == 0)
return 1;
now = time(NULL);
if (max_time < now)
return 0;
FD_ZERO(&confds);
openssl_fdset(fd, &confds);
tv.tv_usec = 0;
tv.tv_sec = (long)(max_time - now);
return select(fd + 1, for_read ? &confds : NULL,
for_read ? NULL : &confds, NULL, &tv);
}
#endif
| bio | openssl/crypto/bio/bio_sock.c | openssl |
#include <stdio.h>
#include <errno.h>
#include "bio_local.h"
#include "internal/cryptlib.h"
static int buffer_write(BIO *h, const char *buf, int num);
static int buffer_read(BIO *h, char *buf, int size);
static int buffer_puts(BIO *h, const char *str);
static int buffer_gets(BIO *h, char *str, int size);
static long buffer_ctrl(BIO *h, int cmd, long arg1, void *arg2);
static int buffer_new(BIO *h);
static int buffer_free(BIO *data);
static long buffer_callback_ctrl(BIO *h, int cmd, BIO_info_cb *fp);
#define DEFAULT_BUFFER_SIZE 4096
static const BIO_METHOD methods_buffer = {
BIO_TYPE_BUFFER,
"buffer",
bwrite_conv,
buffer_write,
bread_conv,
buffer_read,
buffer_puts,
buffer_gets,
buffer_ctrl,
buffer_new,
buffer_free,
buffer_callback_ctrl,
};
const BIO_METHOD *BIO_f_buffer(void)
{
return &methods_buffer;
}
static int buffer_new(BIO *bi)
{
BIO_F_BUFFER_CTX *ctx = OPENSSL_zalloc(sizeof(*ctx));
if (ctx == NULL)
return 0;
ctx->ibuf_size = DEFAULT_BUFFER_SIZE;
ctx->ibuf = OPENSSL_malloc(DEFAULT_BUFFER_SIZE);
if (ctx->ibuf == NULL) {
OPENSSL_free(ctx);
return 0;
}
ctx->obuf_size = DEFAULT_BUFFER_SIZE;
ctx->obuf = OPENSSL_malloc(DEFAULT_BUFFER_SIZE);
if (ctx->obuf == NULL) {
OPENSSL_free(ctx->ibuf);
OPENSSL_free(ctx);
return 0;
}
bi->init = 1;
bi->ptr = (char *)ctx;
bi->flags = 0;
return 1;
}
static int buffer_free(BIO *a)
{
BIO_F_BUFFER_CTX *b;
if (a == NULL)
return 0;
b = (BIO_F_BUFFER_CTX *)a->ptr;
OPENSSL_free(b->ibuf);
OPENSSL_free(b->obuf);
OPENSSL_free(a->ptr);
a->ptr = NULL;
a->init = 0;
a->flags = 0;
return 1;
}
static int buffer_read(BIO *b, char *out, int outl)
{
int i, num = 0;
BIO_F_BUFFER_CTX *ctx;
if (out == NULL)
return 0;
ctx = (BIO_F_BUFFER_CTX *)b->ptr;
if ((ctx == NULL) || (b->next_bio == NULL))
return 0;
num = 0;
BIO_clear_retry_flags(b);
start:
i = ctx->ibuf_len;
if (i != 0) {
if (i > outl)
i = outl;
memcpy(out, &(ctx->ibuf[ctx->ibuf_off]), i);
ctx->ibuf_off += i;
ctx->ibuf_len -= i;
num += i;
if (outl == i)
return num;
outl -= i;
out += i;
}
if (outl > ctx->ibuf_size) {
for (;;) {
i = BIO_read(b->next_bio, out, outl);
if (i <= 0) {
BIO_copy_next_retry(b);
if (i < 0)
return ((num > 0) ? num : i);
if (i == 0)
return num;
}
num += i;
if (outl == i)
return num;
out += i;
outl -= i;
}
}
i = BIO_read(b->next_bio, ctx->ibuf, ctx->ibuf_size);
if (i <= 0) {
BIO_copy_next_retry(b);
if (i < 0)
return ((num > 0) ? num : i);
if (i == 0)
return num;
}
ctx->ibuf_off = 0;
ctx->ibuf_len = i;
goto start;
}
static int buffer_write(BIO *b, const char *in, int inl)
{
int i, num = 0;
BIO_F_BUFFER_CTX *ctx;
if ((in == NULL) || (inl <= 0))
return 0;
ctx = (BIO_F_BUFFER_CTX *)b->ptr;
if ((ctx == NULL) || (b->next_bio == NULL))
return 0;
BIO_clear_retry_flags(b);
start:
i = ctx->obuf_size - (ctx->obuf_len + ctx->obuf_off);
if (i >= inl) {
memcpy(&(ctx->obuf[ctx->obuf_off + ctx->obuf_len]), in, inl);
ctx->obuf_len += inl;
return (num + inl);
}
if (ctx->obuf_len != 0) {
if (i > 0) {
memcpy(&(ctx->obuf[ctx->obuf_off + ctx->obuf_len]), in, i);
in += i;
inl -= i;
num += i;
ctx->obuf_len += i;
}
for (;;) {
i = BIO_write(b->next_bio, &(ctx->obuf[ctx->obuf_off]),
ctx->obuf_len);
if (i <= 0) {
BIO_copy_next_retry(b);
if (i < 0)
return ((num > 0) ? num : i);
if (i == 0)
return num;
}
ctx->obuf_off += i;
ctx->obuf_len -= i;
if (ctx->obuf_len == 0)
break;
}
}
ctx->obuf_off = 0;
while (inl >= ctx->obuf_size) {
i = BIO_write(b->next_bio, in, inl);
if (i <= 0) {
BIO_copy_next_retry(b);
if (i < 0)
return ((num > 0) ? num : i);
if (i == 0)
return num;
}
num += i;
in += i;
inl -= i;
if (inl == 0)
return num;
}
goto start;
}
static long buffer_ctrl(BIO *b, int cmd, long num, void *ptr)
{
BIO *dbio;
BIO_F_BUFFER_CTX *ctx;
long ret = 1;
char *p1, *p2;
int r, i, *ip;
int ibs, obs;
ctx = (BIO_F_BUFFER_CTX *)b->ptr;
switch (cmd) {
case BIO_CTRL_RESET:
ctx->ibuf_off = 0;
ctx->ibuf_len = 0;
ctx->obuf_off = 0;
ctx->obuf_len = 0;
if (b->next_bio == NULL)
return 0;
ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
break;
case BIO_CTRL_EOF:
if (ctx->ibuf_len > 0)
return 0;
ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
break;
case BIO_CTRL_INFO:
ret = (long)ctx->obuf_len;
break;
case BIO_C_GET_BUFF_NUM_LINES:
ret = 0;
p1 = ctx->ibuf;
for (i = 0; i < ctx->ibuf_len; i++) {
if (p1[ctx->ibuf_off + i] == '\n')
ret++;
}
break;
case BIO_CTRL_WPENDING:
ret = (long)ctx->obuf_len;
if (ret == 0) {
if (b->next_bio == NULL)
return 0;
ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
}
break;
case BIO_CTRL_PENDING:
ret = (long)ctx->ibuf_len;
if (ret == 0) {
if (b->next_bio == NULL)
return 0;
ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
}
break;
case BIO_C_SET_BUFF_READ_DATA:
if (num > ctx->ibuf_size) {
if (num <= 0)
return 0;
p1 = OPENSSL_malloc((size_t)num);
if (p1 == NULL)
return 0;
OPENSSL_free(ctx->ibuf);
ctx->ibuf = p1;
}
ctx->ibuf_off = 0;
ctx->ibuf_len = (int)num;
memcpy(ctx->ibuf, ptr, (int)num);
ret = 1;
break;
case BIO_C_SET_BUFF_SIZE:
if (ptr != NULL) {
ip = (int *)ptr;
if (*ip == 0) {
ibs = (int)num;
obs = ctx->obuf_size;
} else {
ibs = ctx->ibuf_size;
obs = (int)num;
}
} else {
ibs = (int)num;
obs = (int)num;
}
p1 = ctx->ibuf;
p2 = ctx->obuf;
if ((ibs > DEFAULT_BUFFER_SIZE) && (ibs != ctx->ibuf_size)) {
if (num <= 0)
return 0;
p1 = OPENSSL_malloc((size_t)num);
if (p1 == NULL)
return 0;
}
if ((obs > DEFAULT_BUFFER_SIZE) && (obs != ctx->obuf_size)) {
p2 = OPENSSL_malloc((size_t)num);
if (p2 == NULL) {
if (p1 != ctx->ibuf)
OPENSSL_free(p1);
return 0;
}
}
if (ctx->ibuf != p1) {
OPENSSL_free(ctx->ibuf);
ctx->ibuf = p1;
ctx->ibuf_off = 0;
ctx->ibuf_len = 0;
ctx->ibuf_size = ibs;
}
if (ctx->obuf != p2) {
OPENSSL_free(ctx->obuf);
ctx->obuf = p2;
ctx->obuf_off = 0;
ctx->obuf_len = 0;
ctx->obuf_size = obs;
}
break;
case BIO_C_DO_STATE_MACHINE:
if (b->next_bio == NULL)
return 0;
BIO_clear_retry_flags(b);
ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
BIO_copy_next_retry(b);
break;
case BIO_CTRL_FLUSH:
if (b->next_bio == NULL)
return 0;
if (ctx->obuf_len <= 0) {
ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
BIO_copy_next_retry(b);
break;
}
for (;;) {
BIO_clear_retry_flags(b);
if (ctx->obuf_len > 0) {
r = BIO_write(b->next_bio,
&(ctx->obuf[ctx->obuf_off]), ctx->obuf_len);
BIO_copy_next_retry(b);
if (r <= 0)
return (long)r;
ctx->obuf_off += r;
ctx->obuf_len -= r;
} else {
ctx->obuf_len = 0;
ctx->obuf_off = 0;
break;
}
}
ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
BIO_copy_next_retry(b);
break;
case BIO_CTRL_DUP:
dbio = (BIO *)ptr;
if (BIO_set_read_buffer_size(dbio, ctx->ibuf_size) <= 0 ||
BIO_set_write_buffer_size(dbio, ctx->obuf_size) <= 0)
ret = 0;
break;
case BIO_CTRL_PEEK:
{
char fake_buf[1];
(void)buffer_read(b, fake_buf, 0);
}
if (num > ctx->ibuf_len)
num = ctx->ibuf_len;
memcpy(ptr, &(ctx->ibuf[ctx->ibuf_off]), num);
ret = num;
break;
default:
if (b->next_bio == NULL)
return 0;
ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
break;
}
return ret;
}
static long buffer_callback_ctrl(BIO *b, int cmd, BIO_info_cb *fp)
{
if (b->next_bio == NULL)
return 0;
return BIO_callback_ctrl(b->next_bio, cmd, fp);
}
static int buffer_gets(BIO *b, char *buf, int size)
{
BIO_F_BUFFER_CTX *ctx;
int num = 0, i, flag;
char *p;
ctx = (BIO_F_BUFFER_CTX *)b->ptr;
size--;
BIO_clear_retry_flags(b);
for (;;) {
if (ctx->ibuf_len > 0) {
p = &(ctx->ibuf[ctx->ibuf_off]);
flag = 0;
for (i = 0; (i < ctx->ibuf_len) && (i < size); i++) {
*(buf++) = p[i];
if (p[i] == '\n') {
flag = 1;
i++;
break;
}
}
num += i;
size -= i;
ctx->ibuf_len -= i;
ctx->ibuf_off += i;
if (flag || size == 0) {
*buf = '\0';
return num;
}
} else {
i = BIO_read(b->next_bio, ctx->ibuf, ctx->ibuf_size);
if (i <= 0) {
BIO_copy_next_retry(b);
*buf = '\0';
if (i < 0)
return ((num > 0) ? num : i);
if (i == 0)
return num;
}
ctx->ibuf_len = i;
ctx->ibuf_off = 0;
}
}
}
static int buffer_puts(BIO *b, const char *str)
{
return buffer_write(b, str, strlen(str));
}
| bio | openssl/crypto/bio/bf_buff.c | openssl |
#include "internal/deprecated.h"
#include <stdio.h>
#include <openssl/opensslv.h>
#include "md4_local.h"
#define INIT_DATA_A (unsigned long)0x67452301L
#define INIT_DATA_B (unsigned long)0xefcdab89L
#define INIT_DATA_C (unsigned long)0x98badcfeL
#define INIT_DATA_D (unsigned long)0x10325476L
int MD4_Init(MD4_CTX *c)
{
memset(c, 0, sizeof(*c));
c->A = INIT_DATA_A;
c->B = INIT_DATA_B;
c->C = INIT_DATA_C;
c->D = INIT_DATA_D;
return 1;
}
#ifndef md4_block_data_order
# ifdef X
# undef X
# endif
void md4_block_data_order(MD4_CTX *c, const void *data_, size_t num)
{
const unsigned char *data = data_;
register unsigned MD32_REG_T A, B, C, D, l;
# ifndef MD32_XARRAY
unsigned MD32_REG_T XX0, XX1, XX2, XX3, XX4, XX5, XX6, XX7,
XX8, XX9, XX10, XX11, XX12, XX13, XX14, XX15;
# define X(i) XX##i
# else
MD4_LONG XX[MD4_LBLOCK];
# define X(i) XX[i]
# endif
A = c->A;
B = c->B;
C = c->C;
D = c->D;
for (; num--;) {
(void)HOST_c2l(data, l);
X(0) = l;
(void)HOST_c2l(data, l);
X(1) = l;
R0(A, B, C, D, X(0), 3, 0);
(void)HOST_c2l(data, l);
X(2) = l;
R0(D, A, B, C, X(1), 7, 0);
(void)HOST_c2l(data, l);
X(3) = l;
R0(C, D, A, B, X(2), 11, 0);
(void)HOST_c2l(data, l);
X(4) = l;
R0(B, C, D, A, X(3), 19, 0);
(void)HOST_c2l(data, l);
X(5) = l;
R0(A, B, C, D, X(4), 3, 0);
(void)HOST_c2l(data, l);
X(6) = l;
R0(D, A, B, C, X(5), 7, 0);
(void)HOST_c2l(data, l);
X(7) = l;
R0(C, D, A, B, X(6), 11, 0);
(void)HOST_c2l(data, l);
X(8) = l;
R0(B, C, D, A, X(7), 19, 0);
(void)HOST_c2l(data, l);
X(9) = l;
R0(A, B, C, D, X(8), 3, 0);
(void)HOST_c2l(data, l);
X(10) = l;
R0(D, A, B, C, X(9), 7, 0);
(void)HOST_c2l(data, l);
X(11) = l;
R0(C, D, A, B, X(10), 11, 0);
(void)HOST_c2l(data, l);
X(12) = l;
R0(B, C, D, A, X(11), 19, 0);
(void)HOST_c2l(data, l);
X(13) = l;
R0(A, B, C, D, X(12), 3, 0);
(void)HOST_c2l(data, l);
X(14) = l;
R0(D, A, B, C, X(13), 7, 0);
(void)HOST_c2l(data, l);
X(15) = l;
R0(C, D, A, B, X(14), 11, 0);
R0(B, C, D, A, X(15), 19, 0);
R1(A, B, C, D, X(0), 3, 0x5A827999L);
R1(D, A, B, C, X(4), 5, 0x5A827999L);
R1(C, D, A, B, X(8), 9, 0x5A827999L);
R1(B, C, D, A, X(12), 13, 0x5A827999L);
R1(A, B, C, D, X(1), 3, 0x5A827999L);
R1(D, A, B, C, X(5), 5, 0x5A827999L);
R1(C, D, A, B, X(9), 9, 0x5A827999L);
R1(B, C, D, A, X(13), 13, 0x5A827999L);
R1(A, B, C, D, X(2), 3, 0x5A827999L);
R1(D, A, B, C, X(6), 5, 0x5A827999L);
R1(C, D, A, B, X(10), 9, 0x5A827999L);
R1(B, C, D, A, X(14), 13, 0x5A827999L);
R1(A, B, C, D, X(3), 3, 0x5A827999L);
R1(D, A, B, C, X(7), 5, 0x5A827999L);
R1(C, D, A, B, X(11), 9, 0x5A827999L);
R1(B, C, D, A, X(15), 13, 0x5A827999L);
R2(A, B, C, D, X(0), 3, 0x6ED9EBA1L);
R2(D, A, B, C, X(8), 9, 0x6ED9EBA1L);
R2(C, D, A, B, X(4), 11, 0x6ED9EBA1L);
R2(B, C, D, A, X(12), 15, 0x6ED9EBA1L);
R2(A, B, C, D, X(2), 3, 0x6ED9EBA1L);
R2(D, A, B, C, X(10), 9, 0x6ED9EBA1L);
R2(C, D, A, B, X(6), 11, 0x6ED9EBA1L);
R2(B, C, D, A, X(14), 15, 0x6ED9EBA1L);
R2(A, B, C, D, X(1), 3, 0x6ED9EBA1L);
R2(D, A, B, C, X(9), 9, 0x6ED9EBA1L);
R2(C, D, A, B, X(5), 11, 0x6ED9EBA1L);
R2(B, C, D, A, X(13), 15, 0x6ED9EBA1L);
R2(A, B, C, D, X(3), 3, 0x6ED9EBA1L);
R2(D, A, B, C, X(11), 9, 0x6ED9EBA1L);
R2(C, D, A, B, X(7), 11, 0x6ED9EBA1L);
R2(B, C, D, A, X(15), 15, 0x6ED9EBA1L);
A = c->A += A;
B = c->B += B;
C = c->C += C;
D = c->D += D;
}
}
#endif
| md4 | openssl/crypto/md4/md4_dgst.c | openssl |
#include "internal/deprecated.h"
#include <stdio.h>
#include <string.h>
#include <openssl/md4.h>
#include <openssl/crypto.h>
#ifdef CHARSET_EBCDIC
# include <openssl/ebcdic.h>
#endif
unsigned char *MD4(const unsigned char *d, size_t n, unsigned char *md)
{
MD4_CTX c;
static unsigned char m[MD4_DIGEST_LENGTH];
if (md == NULL)
md = m;
if (!MD4_Init(&c))
return NULL;
#ifndef CHARSET_EBCDIC
MD4_Update(&c, d, n);
#else
{
char temp[1024];
unsigned long chunk;
while (n > 0) {
chunk = (n > sizeof(temp)) ? sizeof(temp) : n;
ebcdic2ascii(temp, d, chunk);
MD4_Update(&c, temp, chunk);
n -= chunk;
d += chunk;
}
}
#endif
MD4_Final(md, &c);
OPENSSL_cleanse(&c, sizeof(c));
return md;
}
| md4 | openssl/crypto/md4/md4_one.c | openssl |
#define OPENSSL_SUPPRESS_DEPRECATED
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include "internal/cryptlib.h"
#include <openssl/bio.h>
#include <openssl/lhash.h>
#include "lhash_local.h"
# ifndef OPENSSL_NO_STDIO
# ifndef OPENSSL_NO_DEPRECATED_3_1
void OPENSSL_LH_stats(const OPENSSL_LHASH *lh, FILE *fp)
{
BIO *bp;
bp = BIO_new(BIO_s_file());
if (bp == NULL)
return;
BIO_set_fp(bp, fp, BIO_NOCLOSE);
OPENSSL_LH_stats_bio(lh, bp);
BIO_free(bp);
}
void OPENSSL_LH_node_stats(const OPENSSL_LHASH *lh, FILE *fp)
{
BIO *bp;
bp = BIO_new(BIO_s_file());
if (bp == NULL)
return;
BIO_set_fp(bp, fp, BIO_NOCLOSE);
OPENSSL_LH_node_stats_bio(lh, bp);
BIO_free(bp);
}
void OPENSSL_LH_node_usage_stats(const OPENSSL_LHASH *lh, FILE *fp)
{
BIO *bp;
bp = BIO_new(BIO_s_file());
if (bp == NULL)
return;
BIO_set_fp(bp, fp, BIO_NOCLOSE);
OPENSSL_LH_node_usage_stats_bio(lh, bp);
BIO_free(bp);
}
# endif
# endif
# ifndef OPENSSL_NO_DEPRECATED_3_1
void OPENSSL_LH_stats_bio(const OPENSSL_LHASH *lh, BIO *out)
{
BIO_printf(out, "num_items = %lu\n", lh->num_items);
BIO_printf(out, "num_nodes = %u\n", lh->num_nodes);
BIO_printf(out, "num_alloc_nodes = %u\n", lh->num_alloc_nodes);
BIO_printf(out, "num_expands = 0\n");
BIO_printf(out, "num_expand_reallocs = 0\n");
BIO_printf(out, "num_contracts = 0\n");
BIO_printf(out, "num_contract_reallocs = 0\n");
BIO_printf(out, "num_hash_calls = 0\n");
BIO_printf(out, "num_comp_calls = 0\n");
BIO_printf(out, "num_insert = 0\n");
BIO_printf(out, "num_replace = 0\n");
BIO_printf(out, "num_delete = 0\n");
BIO_printf(out, "num_no_delete = 0\n");
BIO_printf(out, "num_retrieve = 0\n");
BIO_printf(out, "num_retrieve_miss = 0\n");
BIO_printf(out, "num_hash_comps = 0\n");
}
void OPENSSL_LH_node_stats_bio(const OPENSSL_LHASH *lh, BIO *out)
{
OPENSSL_LH_NODE *n;
unsigned int i, num;
for (i = 0; i < lh->num_nodes; i++) {
for (n = lh->b[i], num = 0; n != NULL; n = n->next)
num++;
BIO_printf(out, "node %6u -> %3u\n", i, num);
}
}
void OPENSSL_LH_node_usage_stats_bio(const OPENSSL_LHASH *lh, BIO *out)
{
OPENSSL_LH_NODE *n;
unsigned long num;
unsigned int i;
unsigned long total = 0, n_used = 0;
for (i = 0; i < lh->num_nodes; i++) {
for (n = lh->b[i], num = 0; n != NULL; n = n->next)
num++;
if (num != 0) {
n_used++;
total += num;
}
}
BIO_printf(out, "%lu nodes used out of %u\n", n_used, lh->num_nodes);
BIO_printf(out, "%lu items\n", total);
if (n_used == 0)
return;
BIO_printf(out, "load %d.%02d actual load %d.%02d\n",
(int)(total / lh->num_nodes),
(int)((total % lh->num_nodes) * 100 / lh->num_nodes),
(int)(total / n_used), (int)((total % n_used) * 100 / n_used));
}
# endif
| lhash | openssl/crypto/lhash/lh_stats.c | openssl |
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <openssl/crypto.h>
#include <openssl/lhash.h>
#include <openssl/err.h>
#include "crypto/ctype.h"
#include "crypto/lhash.h"
#include "lhash_local.h"
#undef MIN_NODES
#define MIN_NODES 16
#define UP_LOAD (2*LH_LOAD_MULT)
#define DOWN_LOAD (LH_LOAD_MULT)
static int expand(OPENSSL_LHASH *lh);
static void contract(OPENSSL_LHASH *lh);
static OPENSSL_LH_NODE **getrn(OPENSSL_LHASH *lh, const void *data, unsigned long *rhash);
OPENSSL_LHASH *OPENSSL_LH_set_thunks(OPENSSL_LHASH *lh,
OPENSSL_LH_HASHFUNCTHUNK hw,
OPENSSL_LH_COMPFUNCTHUNK cw,
OPENSSL_LH_DOALL_FUNC_THUNK daw,
OPENSSL_LH_DOALL_FUNCARG_THUNK daaw)
{
if (lh == NULL)
return NULL;
lh->compw = cw;
lh->hashw = hw;
lh->daw = daw;
lh->daaw = daaw;
return lh;
}
OPENSSL_LHASH *OPENSSL_LH_new(OPENSSL_LH_HASHFUNC h, OPENSSL_LH_COMPFUNC c)
{
OPENSSL_LHASH *ret;
if ((ret = OPENSSL_zalloc(sizeof(*ret))) == NULL)
return NULL;
if ((ret->b = OPENSSL_zalloc(sizeof(*ret->b) * MIN_NODES)) == NULL)
goto err;
ret->comp = ((c == NULL) ? (OPENSSL_LH_COMPFUNC)strcmp : c);
ret->hash = ((h == NULL) ? (OPENSSL_LH_HASHFUNC)OPENSSL_LH_strhash : h);
ret->num_nodes = MIN_NODES / 2;
ret->num_alloc_nodes = MIN_NODES;
ret->pmax = MIN_NODES / 2;
ret->up_load = UP_LOAD;
ret->down_load = DOWN_LOAD;
return ret;
err:
OPENSSL_free(ret->b);
OPENSSL_free(ret);
return NULL;
}
void OPENSSL_LH_free(OPENSSL_LHASH *lh)
{
if (lh == NULL)
return;
OPENSSL_LH_flush(lh);
OPENSSL_free(lh->b);
OPENSSL_free(lh);
}
void OPENSSL_LH_flush(OPENSSL_LHASH *lh)
{
unsigned int i;
OPENSSL_LH_NODE *n, *nn;
if (lh == NULL)
return;
for (i = 0; i < lh->num_nodes; i++) {
n = lh->b[i];
while (n != NULL) {
nn = n->next;
OPENSSL_free(n);
n = nn;
}
lh->b[i] = NULL;
}
lh->num_items = 0;
}
void *OPENSSL_LH_insert(OPENSSL_LHASH *lh, void *data)
{
unsigned long hash;
OPENSSL_LH_NODE *nn, **rn;
void *ret;
lh->error = 0;
if ((lh->up_load <= (lh->num_items * LH_LOAD_MULT / lh->num_nodes)) && !expand(lh))
return NULL;
rn = getrn(lh, data, &hash);
if (*rn == NULL) {
if ((nn = OPENSSL_malloc(sizeof(*nn))) == NULL) {
lh->error++;
return NULL;
}
nn->data = data;
nn->next = NULL;
nn->hash = hash;
*rn = nn;
ret = NULL;
lh->num_items++;
} else {
ret = (*rn)->data;
(*rn)->data = data;
}
return ret;
}
void *OPENSSL_LH_delete(OPENSSL_LHASH *lh, const void *data)
{
unsigned long hash;
OPENSSL_LH_NODE *nn, **rn;
void *ret;
lh->error = 0;
rn = getrn(lh, data, &hash);
if (*rn == NULL) {
return NULL;
} else {
nn = *rn;
*rn = nn->next;
ret = nn->data;
OPENSSL_free(nn);
}
lh->num_items--;
if ((lh->num_nodes > MIN_NODES) &&
(lh->down_load >= (lh->num_items * LH_LOAD_MULT / lh->num_nodes)))
contract(lh);
return ret;
}
void *OPENSSL_LH_retrieve(OPENSSL_LHASH *lh, const void *data)
{
unsigned long hash;
OPENSSL_LH_NODE **rn;
if (lh->error != 0)
lh->error = 0;
rn = getrn(lh, data, &hash);
return *rn == NULL ? NULL : (*rn)->data;
}
static void doall_util_fn(OPENSSL_LHASH *lh, int use_arg,
OPENSSL_LH_DOALL_FUNC_THUNK wfunc,
OPENSSL_LH_DOALL_FUNC func,
OPENSSL_LH_DOALL_FUNCARG func_arg,
OPENSSL_LH_DOALL_FUNCARG_THUNK wfunc_arg,
void *arg)
{
int i;
OPENSSL_LH_NODE *a, *n;
if (lh == NULL)
return;
for (i = lh->num_nodes - 1; i >= 0; i--) {
a = lh->b[i];
while (a != NULL) {
n = a->next;
if (use_arg)
wfunc_arg(a->data, arg, func_arg);
else
wfunc(a->data, func);
a = n;
}
}
}
void OPENSSL_LH_doall(OPENSSL_LHASH *lh, OPENSSL_LH_DOALL_FUNC func)
{
if (lh == NULL)
return;
doall_util_fn(lh, 0, lh->daw, func, (OPENSSL_LH_DOALL_FUNCARG)NULL,
(OPENSSL_LH_DOALL_FUNCARG_THUNK)NULL, NULL);
}
void OPENSSL_LH_doall_arg(OPENSSL_LHASH *lh,
OPENSSL_LH_DOALL_FUNCARG func, void *arg)
{
if (lh == NULL)
return;
doall_util_fn(lh, 1, (OPENSSL_LH_DOALL_FUNC_THUNK)NULL,
(OPENSSL_LH_DOALL_FUNC)NULL, func, lh->daaw, arg);
}
void OPENSSL_LH_doall_arg_thunk(OPENSSL_LHASH *lh,
OPENSSL_LH_DOALL_FUNCARG_THUNK daaw,
OPENSSL_LH_DOALL_FUNCARG fn, void *arg)
{
doall_util_fn(lh, 1, (OPENSSL_LH_DOALL_FUNC_THUNK)NULL,
(OPENSSL_LH_DOALL_FUNC)NULL, fn, daaw, arg);
}
static int expand(OPENSSL_LHASH *lh)
{
OPENSSL_LH_NODE **n, **n1, **n2, *np;
unsigned int p, pmax, nni, j;
unsigned long hash;
nni = lh->num_alloc_nodes;
p = lh->p;
pmax = lh->pmax;
if (p + 1 >= pmax) {
j = nni * 2;
n = OPENSSL_realloc(lh->b, sizeof(OPENSSL_LH_NODE *) * j);
if (n == NULL) {
lh->error++;
return 0;
}
lh->b = n;
memset(n + nni, 0, sizeof(*n) * (j - nni));
lh->pmax = nni;
lh->num_alloc_nodes = j;
lh->p = 0;
} else {
lh->p++;
}
lh->num_nodes++;
n1 = &(lh->b[p]);
n2 = &(lh->b[p + pmax]);
*n2 = NULL;
for (np = *n1; np != NULL;) {
hash = np->hash;
if ((hash % nni) != p) {
*n1 = (*n1)->next;
np->next = *n2;
*n2 = np;
} else
n1 = &((*n1)->next);
np = *n1;
}
return 1;
}
static void contract(OPENSSL_LHASH *lh)
{
OPENSSL_LH_NODE **n, *n1, *np;
np = lh->b[lh->p + lh->pmax - 1];
lh->b[lh->p + lh->pmax - 1] = NULL;
if (lh->p == 0) {
n = OPENSSL_realloc(lh->b,
(unsigned int)(sizeof(OPENSSL_LH_NODE *) * lh->pmax));
if (n == NULL) {
lh->error++;
} else {
lh->b = n;
}
lh->num_alloc_nodes /= 2;
lh->pmax /= 2;
lh->p = lh->pmax - 1;
} else
lh->p--;
lh->num_nodes--;
n1 = lh->b[(int)lh->p];
if (n1 == NULL)
lh->b[(int)lh->p] = np;
else {
while (n1->next != NULL)
n1 = n1->next;
n1->next = np;
}
}
static OPENSSL_LH_NODE **getrn(OPENSSL_LHASH *lh,
const void *data, unsigned long *rhash)
{
OPENSSL_LH_NODE **ret, *n1;
unsigned long hash, nn;
if (lh->hashw != NULL)
hash = lh->hashw(data, lh->hash);
else
hash = lh->hash(data);
*rhash = hash;
nn = hash % lh->pmax;
if (nn < lh->p)
nn = hash % lh->num_alloc_nodes;
ret = &(lh->b[(int)nn]);
for (n1 = *ret; n1 != NULL; n1 = n1->next) {
if (n1->hash != hash) {
ret = &(n1->next);
continue;
}
if (lh->compw != NULL) {
if (lh->compw(n1->data, data, lh->comp) == 0)
break;
} else {
if (lh->comp(n1->data, data) == 0)
break;
}
ret = &(n1->next);
}
return ret;
}
unsigned long OPENSSL_LH_strhash(const char *c)
{
unsigned long ret = 0;
long n;
unsigned long v;
int r;
if ((c == NULL) || (*c == '\0'))
return ret;
n = 0x100;
while (*c) {
v = n | (*c);
n += 0x100;
r = (int)((v >> 2) ^ v) & 0x0f;
ret = (ret << r) | (unsigned long)((uint64_t)ret >> (32 - r));
ret &= 0xFFFFFFFFL;
ret ^= v * v;
c++;
}
return (ret >> 16) ^ ret;
}
unsigned long ossl_lh_strcasehash(const char *c)
{
unsigned long ret = 0;
long n;
unsigned long v;
int r;
#if defined(CHARSET_EBCDIC) && !defined(CHARSET_EBCDIC_TEST)
const long int case_adjust = ~0x40;
#else
const long int case_adjust = ~0x20;
#endif
if (c == NULL || *c == '\0')
return ret;
for (n = 0x100; *c != '\0'; n += 0x100) {
v = n | (case_adjust & *c);
r = (int)((v >> 2) ^ v) & 0x0f;
ret = (ret << r) | (unsigned long)((uint64_t)ret >> (32 - r));
ret &= 0xFFFFFFFFL;
ret ^= v * v;
c++;
}
return (ret >> 16) ^ ret;
}
unsigned long OPENSSL_LH_num_items(const OPENSSL_LHASH *lh)
{
return lh ? lh->num_items : 0;
}
unsigned long OPENSSL_LH_get_down_load(const OPENSSL_LHASH *lh)
{
return lh->down_load;
}
void OPENSSL_LH_set_down_load(OPENSSL_LHASH *lh, unsigned long down_load)
{
lh->down_load = down_load;
}
int OPENSSL_LH_error(OPENSSL_LHASH *lh)
{
return lh->error;
}
| lhash | openssl/crypto/lhash/lhash.c | openssl |
#if (defined(_WIN64) || defined(_WIN32_WCE)) && !defined(UNICODE)
# define UNICODE
#endif
#if defined(UNICODE) && !defined(_UNICODE)
# define _UNICODE
#endif
#if defined(_UNICODE) && !defined(UNICODE)
# define UNICODE
#endif
#include <windows.h>
#include <tchar.h>
#include <stdio.h>
#include "uplink.h"
void OPENSSL_showfatal(const char *, ...);
static TCHAR msg[128];
static void unimplemented(void)
{
OPENSSL_showfatal(sizeof(TCHAR) == sizeof(char) ? "%s\n" : "%S\n", msg);
TerminateProcess(GetCurrentProcess(), 1);
}
void OPENSSL_Uplink(volatile void **table, int index)
{
static HMODULE volatile apphandle = NULL;
static void **volatile applinktable = NULL;
int len;
void (*func) (void) = unimplemented;
HANDLE h;
void **p;
do {
len = _sntprintf(msg, sizeof(msg) / sizeof(TCHAR),
_T("OPENSSL_Uplink(%p,%02X): "), table, index);
_tcscpy(msg + len, _T("unimplemented function"));
if ((h = apphandle) == NULL) {
if ((h = GetModuleHandle(NULL)) == NULL) {
apphandle = (HMODULE) - 1;
_tcscpy(msg + len, _T("no host application"));
break;
}
apphandle = h;
}
if ((h = apphandle) == (HMODULE) - 1)
break;
if (applinktable == NULL) {
void **(*applink) ();
applink = (void **(*)())GetProcAddress(h, "OPENSSL_Applink");
if (applink == NULL) {
apphandle = (HMODULE) - 1;
_tcscpy(msg + len, _T("no OPENSSL_Applink"));
break;
}
p = (*applink) ();
if (p == NULL) {
apphandle = (HMODULE) - 1;
_tcscpy(msg + len, _T("no ApplinkTable"));
break;
}
applinktable = p;
} else
p = applinktable;
if (index > (int)p[0])
break;
if (p[index])
func = p[index];
} while (0);
table[index] = func;
}
#if (defined(_MSC_VER) || defined(__BORLANDC__)) && defined(_M_IX86)
# if defined(_MSC_VER)
# define LAZY(i) \
__declspec(naked) static void lazy##i (void) { \
_asm push i \
_asm push OFFSET OPENSSL_UplinkTable \
_asm call OPENSSL_Uplink \
_asm add esp,8 \
_asm jmp OPENSSL_UplinkTable+4*i }
# elif defined(__BORLANDC__) && defined(__clang__)
void *OPENSSL_UplinkTable[26];
# define LAZY(i) \
__declspec(naked) static void lazy##i (void) { \
__asm__("pushl $" #i "; " \
"pushl %0; " \
"call %P1; " \
"addl $8, %%esp; " \
"jmp *%2 " \
: \
: "i" (OPENSSL_UplinkTable), \
"i" (OPENSSL_Uplink), \
"m" (OPENSSL_UplinkTable[i])); }
# endif
# if APPLINK_MAX>25
# error "Add more stubs..."
# endif
LAZY(1) LAZY(2) LAZY(3) LAZY(4) LAZY(5)
LAZY(6) LAZY(7) LAZY(8) LAZY(9) LAZY(10)
LAZY(11) LAZY(12) LAZY(13) LAZY(14) LAZY(15)
LAZY(16) LAZY(17) LAZY(18) LAZY(19) LAZY(20)
LAZY(21) LAZY(22) LAZY(23) LAZY(24) LAZY(25)
void *OPENSSL_UplinkTable[] = {
(void *)APPLINK_MAX,
lazy1, lazy2, lazy3, lazy4, lazy5,
lazy6, lazy7, lazy8, lazy9, lazy10,
lazy11, lazy12, lazy13, lazy14, lazy15,
lazy16, lazy17, lazy18, lazy19, lazy20,
lazy21, lazy22, lazy23, lazy24, lazy25,
};
#endif
#ifdef SELFTEST
main()
{
UP_fprintf(UP_stdout, "hello, world!\n");
}
#endif
| ms | openssl/ms/uplink.c | openssl |
#define APPLINK_STDIN 1
#define APPLINK_STDOUT 2
#define APPLINK_STDERR 3
#define APPLINK_FPRINTF 4
#define APPLINK_FGETS 5
#define APPLINK_FREAD 6
#define APPLINK_FWRITE 7
#define APPLINK_FSETMOD 8
#define APPLINK_FEOF 9
#define APPLINK_FCLOSE 10
#define APPLINK_FOPEN 11
#define APPLINK_FSEEK 12
#define APPLINK_FTELL 13
#define APPLINK_FFLUSH 14
#define APPLINK_FERROR 15
#define APPLINK_CLEARERR 16
#define APPLINK_FILENO 17
#define APPLINK_OPEN 18
#define APPLINK_READ 19
#define APPLINK_WRITE 20
#define APPLINK_LSEEK 21
#define APPLINK_CLOSE 22
#define APPLINK_MAX 22
#ifndef APPMACROS_ONLY
# ifndef APPLINK_NO_INCLUDES
# include <stdio.h>
# include <io.h>
# include <fcntl.h>
# endif
# ifdef __BORLANDC__
# undef _lseek
# define _lseek lseek
# endif
static void *app_stdin(void)
{
return stdin;
}
static void *app_stdout(void)
{
return stdout;
}
static void *app_stderr(void)
{
return stderr;
}
static int app_feof(FILE *fp)
{
return feof(fp);
}
static int app_ferror(FILE *fp)
{
return ferror(fp);
}
static void app_clearerr(FILE *fp)
{
clearerr(fp);
}
static int app_fileno(FILE *fp)
{
return _fileno(fp);
}
static int app_fsetmod(FILE *fp, char mod)
{
return _setmode(_fileno(fp), mod == 'b' ? _O_BINARY : _O_TEXT);
}
#ifdef __cplusplus
extern "C" {
#endif
__declspec(dllexport)
void **
# if defined(__BORLANDC__)
__stdcall
# else
__cdecl
# endif
OPENSSL_Applink(void)
{
static int once = 1;
static void *OPENSSL_ApplinkTable[APPLINK_MAX + 1] =
{ (void *)APPLINK_MAX };
if (once) {
OPENSSL_ApplinkTable[APPLINK_STDIN] = app_stdin;
OPENSSL_ApplinkTable[APPLINK_STDOUT] = app_stdout;
OPENSSL_ApplinkTable[APPLINK_STDERR] = app_stderr;
OPENSSL_ApplinkTable[APPLINK_FPRINTF] = fprintf;
OPENSSL_ApplinkTable[APPLINK_FGETS] = fgets;
OPENSSL_ApplinkTable[APPLINK_FREAD] = fread;
OPENSSL_ApplinkTable[APPLINK_FWRITE] = fwrite;
OPENSSL_ApplinkTable[APPLINK_FSETMOD] = app_fsetmod;
OPENSSL_ApplinkTable[APPLINK_FEOF] = app_feof;
OPENSSL_ApplinkTable[APPLINK_FCLOSE] = fclose;
OPENSSL_ApplinkTable[APPLINK_FOPEN] = fopen;
OPENSSL_ApplinkTable[APPLINK_FSEEK] = fseek;
OPENSSL_ApplinkTable[APPLINK_FTELL] = ftell;
OPENSSL_ApplinkTable[APPLINK_FFLUSH] = fflush;
OPENSSL_ApplinkTable[APPLINK_FERROR] = app_ferror;
OPENSSL_ApplinkTable[APPLINK_CLEARERR] = app_clearerr;
OPENSSL_ApplinkTable[APPLINK_FILENO] = app_fileno;
OPENSSL_ApplinkTable[APPLINK_OPEN] = _open;
OPENSSL_ApplinkTable[APPLINK_READ] = _read;
OPENSSL_ApplinkTable[APPLINK_WRITE] = _write;
OPENSSL_ApplinkTable[APPLINK_LSEEK] = _lseek;
OPENSSL_ApplinkTable[APPLINK_CLOSE] = _close;
once = 0;
}
return OPENSSL_ApplinkTable;
}
#ifdef __cplusplus
}
#endif
#endif
| ms | openssl/ms/applink.c | openssl |
#include <stdio.h>
#include <ctype.h>
#include <openssl/objects.h>
#include <openssl/comp.h>
#include <openssl/engine.h>
#include <openssl/crypto.h>
#include <openssl/conf.h>
#include <openssl/trace.h>
#include "internal/nelem.h"
#include "ssl_local.h"
#include "internal/thread_once.h"
#include "internal/cryptlib.h"
typedef struct {
uint32_t mask;
int nid;
} ssl_cipher_table;
static const ssl_cipher_table ssl_cipher_table_cipher[SSL_ENC_NUM_IDX] = {
{SSL_DES, NID_des_cbc},
{SSL_3DES, NID_des_ede3_cbc},
{SSL_RC4, NID_rc4},
{SSL_RC2, NID_rc2_cbc},
{SSL_IDEA, NID_idea_cbc},
{SSL_eNULL, NID_undef},
{SSL_AES128, NID_aes_128_cbc},
{SSL_AES256, NID_aes_256_cbc},
{SSL_CAMELLIA128, NID_camellia_128_cbc},
{SSL_CAMELLIA256, NID_camellia_256_cbc},
{SSL_eGOST2814789CNT, NID_gost89_cnt},
{SSL_SEED, NID_seed_cbc},
{SSL_AES128GCM, NID_aes_128_gcm},
{SSL_AES256GCM, NID_aes_256_gcm},
{SSL_AES128CCM, NID_aes_128_ccm},
{SSL_AES256CCM, NID_aes_256_ccm},
{SSL_AES128CCM8, NID_aes_128_ccm},
{SSL_AES256CCM8, NID_aes_256_ccm},
{SSL_eGOST2814789CNT12, NID_gost89_cnt_12},
{SSL_CHACHA20POLY1305, NID_chacha20_poly1305},
{SSL_ARIA128GCM, NID_aria_128_gcm},
{SSL_ARIA256GCM, NID_aria_256_gcm},
{SSL_MAGMA, NID_magma_ctr_acpkm},
{SSL_KUZNYECHIK, NID_kuznyechik_ctr_acpkm},
};
#define SSL_COMP_NULL_IDX 0
#define SSL_COMP_ZLIB_IDX 1
#define SSL_COMP_NUM_IDX 2
static STACK_OF(SSL_COMP) *ssl_comp_methods = NULL;
#ifndef OPENSSL_NO_COMP
static CRYPTO_ONCE ssl_load_builtin_comp_once = CRYPTO_ONCE_STATIC_INIT;
#endif
static const ssl_cipher_table ssl_cipher_table_mac[SSL_MD_NUM_IDX] = {
{SSL_MD5, NID_md5},
{SSL_SHA1, NID_sha1},
{SSL_GOST94, NID_id_GostR3411_94},
{SSL_GOST89MAC, NID_id_Gost28147_89_MAC},
{SSL_SHA256, NID_sha256},
{SSL_SHA384, NID_sha384},
{SSL_GOST12_256, NID_id_GostR3411_2012_256},
{SSL_GOST89MAC12, NID_gost_mac_12},
{SSL_GOST12_512, NID_id_GostR3411_2012_512},
{0, NID_md5_sha1},
{0, NID_sha224},
{0, NID_sha512},
{SSL_MAGMAOMAC, NID_magma_mac},
{SSL_KUZNYECHIKOMAC, NID_kuznyechik_mac}
};
static const ssl_cipher_table ssl_cipher_table_kx[] = {
{SSL_kRSA, NID_kx_rsa},
{SSL_kECDHE, NID_kx_ecdhe},
{SSL_kDHE, NID_kx_dhe},
{SSL_kECDHEPSK, NID_kx_ecdhe_psk},
{SSL_kDHEPSK, NID_kx_dhe_psk},
{SSL_kRSAPSK, NID_kx_rsa_psk},
{SSL_kPSK, NID_kx_psk},
{SSL_kSRP, NID_kx_srp},
{SSL_kGOST, NID_kx_gost},
{SSL_kGOST18, NID_kx_gost18},
{SSL_kANY, NID_kx_any}
};
static const ssl_cipher_table ssl_cipher_table_auth[] = {
{SSL_aRSA, NID_auth_rsa},
{SSL_aECDSA, NID_auth_ecdsa},
{SSL_aPSK, NID_auth_psk},
{SSL_aDSS, NID_auth_dss},
{SSL_aGOST01, NID_auth_gost01},
{SSL_aGOST12, NID_auth_gost12},
{SSL_aSRP, NID_auth_srp},
{SSL_aNULL, NID_auth_null},
{SSL_aANY, NID_auth_any}
};
static int ssl_cipher_info_find(const ssl_cipher_table *table,
size_t table_cnt, uint32_t mask)
{
size_t i;
for (i = 0; i < table_cnt; i++, table++) {
if (table->mask == mask)
return (int)i;
}
return -1;
}
#define ssl_cipher_info_lookup(table, x) \
ssl_cipher_info_find(table, OSSL_NELEM(table), x)
static const int default_mac_pkey_id[SSL_MD_NUM_IDX] = {
EVP_PKEY_HMAC, EVP_PKEY_HMAC, EVP_PKEY_HMAC, NID_undef,
EVP_PKEY_HMAC, EVP_PKEY_HMAC, EVP_PKEY_HMAC, NID_undef,
EVP_PKEY_HMAC,
NID_undef, NID_undef, NID_undef, NID_undef, NID_undef
};
#define CIPHER_ADD 1
#define CIPHER_KILL 2
#define CIPHER_DEL 3
#define CIPHER_ORD 4
#define CIPHER_SPECIAL 5
#define CIPHER_BUMP 6
typedef struct cipher_order_st {
const SSL_CIPHER *cipher;
int active;
int dead;
struct cipher_order_st *next, *prev;
} CIPHER_ORDER;
static const SSL_CIPHER cipher_aliases[] = {
{0, SSL_TXT_ALL, NULL, 0, 0, 0, ~SSL_eNULL},
{0, SSL_TXT_CMPALL, NULL, 0, 0, 0, SSL_eNULL},
{0, SSL_TXT_CMPDEF, NULL, 0, 0, 0, 0, 0, 0, 0, 0, 0, SSL_NOT_DEFAULT},
{0, SSL_TXT_kRSA, NULL, 0, SSL_kRSA},
{0, SSL_TXT_kEDH, NULL, 0, SSL_kDHE},
{0, SSL_TXT_kDHE, NULL, 0, SSL_kDHE},
{0, SSL_TXT_DH, NULL, 0, SSL_kDHE},
{0, SSL_TXT_kEECDH, NULL, 0, SSL_kECDHE},
{0, SSL_TXT_kECDHE, NULL, 0, SSL_kECDHE},
{0, SSL_TXT_ECDH, NULL, 0, SSL_kECDHE},
{0, SSL_TXT_kPSK, NULL, 0, SSL_kPSK},
{0, SSL_TXT_kRSAPSK, NULL, 0, SSL_kRSAPSK},
{0, SSL_TXT_kECDHEPSK, NULL, 0, SSL_kECDHEPSK},
{0, SSL_TXT_kDHEPSK, NULL, 0, SSL_kDHEPSK},
{0, SSL_TXT_kSRP, NULL, 0, SSL_kSRP},
{0, SSL_TXT_kGOST, NULL, 0, SSL_kGOST},
{0, SSL_TXT_kGOST18, NULL, 0, SSL_kGOST18},
{0, SSL_TXT_aRSA, NULL, 0, 0, SSL_aRSA},
{0, SSL_TXT_aDSS, NULL, 0, 0, SSL_aDSS},
{0, SSL_TXT_DSS, NULL, 0, 0, SSL_aDSS},
{0, SSL_TXT_aNULL, NULL, 0, 0, SSL_aNULL},
{0, SSL_TXT_aECDSA, NULL, 0, 0, SSL_aECDSA},
{0, SSL_TXT_ECDSA, NULL, 0, 0, SSL_aECDSA},
{0, SSL_TXT_aPSK, NULL, 0, 0, SSL_aPSK},
{0, SSL_TXT_aGOST01, NULL, 0, 0, SSL_aGOST01},
{0, SSL_TXT_aGOST12, NULL, 0, 0, SSL_aGOST12},
{0, SSL_TXT_aGOST, NULL, 0, 0, SSL_aGOST01 | SSL_aGOST12},
{0, SSL_TXT_aSRP, NULL, 0, 0, SSL_aSRP},
{0, SSL_TXT_EDH, NULL, 0, SSL_kDHE, ~SSL_aNULL},
{0, SSL_TXT_DHE, NULL, 0, SSL_kDHE, ~SSL_aNULL},
{0, SSL_TXT_EECDH, NULL, 0, SSL_kECDHE, ~SSL_aNULL},
{0, SSL_TXT_ECDHE, NULL, 0, SSL_kECDHE, ~SSL_aNULL},
{0, SSL_TXT_NULL, NULL, 0, 0, 0, SSL_eNULL},
{0, SSL_TXT_RSA, NULL, 0, SSL_kRSA, SSL_aRSA},
{0, SSL_TXT_ADH, NULL, 0, SSL_kDHE, SSL_aNULL},
{0, SSL_TXT_AECDH, NULL, 0, SSL_kECDHE, SSL_aNULL},
{0, SSL_TXT_PSK, NULL, 0, SSL_PSK},
{0, SSL_TXT_SRP, NULL, 0, SSL_kSRP},
{0, SSL_TXT_3DES, NULL, 0, 0, 0, SSL_3DES},
{0, SSL_TXT_RC4, NULL, 0, 0, 0, SSL_RC4},
{0, SSL_TXT_RC2, NULL, 0, 0, 0, SSL_RC2},
{0, SSL_TXT_IDEA, NULL, 0, 0, 0, SSL_IDEA},
{0, SSL_TXT_SEED, NULL, 0, 0, 0, SSL_SEED},
{0, SSL_TXT_eNULL, NULL, 0, 0, 0, SSL_eNULL},
{0, SSL_TXT_GOST, NULL, 0, 0, 0,
SSL_eGOST2814789CNT | SSL_eGOST2814789CNT12 | SSL_MAGMA | SSL_KUZNYECHIK},
{0, SSL_TXT_AES128, NULL, 0, 0, 0,
SSL_AES128 | SSL_AES128GCM | SSL_AES128CCM | SSL_AES128CCM8},
{0, SSL_TXT_AES256, NULL, 0, 0, 0,
SSL_AES256 | SSL_AES256GCM | SSL_AES256CCM | SSL_AES256CCM8},
{0, SSL_TXT_AES, NULL, 0, 0, 0, SSL_AES},
{0, SSL_TXT_AES_GCM, NULL, 0, 0, 0, SSL_AES128GCM | SSL_AES256GCM},
{0, SSL_TXT_AES_CCM, NULL, 0, 0, 0,
SSL_AES128CCM | SSL_AES256CCM | SSL_AES128CCM8 | SSL_AES256CCM8},
{0, SSL_TXT_AES_CCM_8, NULL, 0, 0, 0, SSL_AES128CCM8 | SSL_AES256CCM8},
{0, SSL_TXT_CAMELLIA128, NULL, 0, 0, 0, SSL_CAMELLIA128},
{0, SSL_TXT_CAMELLIA256, NULL, 0, 0, 0, SSL_CAMELLIA256},
{0, SSL_TXT_CAMELLIA, NULL, 0, 0, 0, SSL_CAMELLIA},
{0, SSL_TXT_CHACHA20, NULL, 0, 0, 0, SSL_CHACHA20},
{0, SSL_TXT_GOST2012_GOST8912_GOST8912, NULL, 0, 0, 0, SSL_eGOST2814789CNT12},
{0, SSL_TXT_ARIA, NULL, 0, 0, 0, SSL_ARIA},
{0, SSL_TXT_ARIA_GCM, NULL, 0, 0, 0, SSL_ARIA128GCM | SSL_ARIA256GCM},
{0, SSL_TXT_ARIA128, NULL, 0, 0, 0, SSL_ARIA128GCM},
{0, SSL_TXT_ARIA256, NULL, 0, 0, 0, SSL_ARIA256GCM},
{0, SSL_TXT_CBC, NULL, 0, 0, 0, SSL_CBC},
{0, SSL_TXT_MD5, NULL, 0, 0, 0, 0, SSL_MD5},
{0, SSL_TXT_SHA1, NULL, 0, 0, 0, 0, SSL_SHA1},
{0, SSL_TXT_SHA, NULL, 0, 0, 0, 0, SSL_SHA1},
{0, SSL_TXT_GOST94, NULL, 0, 0, 0, 0, SSL_GOST94},
{0, SSL_TXT_GOST89MAC, NULL, 0, 0, 0, 0, SSL_GOST89MAC | SSL_GOST89MAC12},
{0, SSL_TXT_SHA256, NULL, 0, 0, 0, 0, SSL_SHA256},
{0, SSL_TXT_SHA384, NULL, 0, 0, 0, 0, SSL_SHA384},
{0, SSL_TXT_GOST12, NULL, 0, 0, 0, 0, SSL_GOST12_256},
{0, SSL_TXT_SSLV3, NULL, 0, 0, 0, 0, 0, SSL3_VERSION},
{0, SSL_TXT_TLSV1, NULL, 0, 0, 0, 0, 0, TLS1_VERSION},
{0, "TLSv1.0", NULL, 0, 0, 0, 0, 0, TLS1_VERSION},
{0, SSL_TXT_TLSV1_2, NULL, 0, 0, 0, 0, 0, TLS1_2_VERSION},
{0, SSL_TXT_LOW, NULL, 0, 0, 0, 0, 0, 0, 0, 0, 0, SSL_LOW},
{0, SSL_TXT_MEDIUM, NULL, 0, 0, 0, 0, 0, 0, 0, 0, 0, SSL_MEDIUM},
{0, SSL_TXT_HIGH, NULL, 0, 0, 0, 0, 0, 0, 0, 0, 0, SSL_HIGH},
{0, SSL_TXT_FIPS, NULL, 0, 0, 0, ~SSL_eNULL, 0, 0, 0, 0, 0, SSL_FIPS},
{0, SSL3_TXT_EDH_DSS_DES_192_CBC3_SHA, NULL, 0,
SSL_kDHE, SSL_aDSS, SSL_3DES, SSL_SHA1, 0, 0, 0, 0, SSL_HIGH | SSL_FIPS},
{0, SSL3_TXT_EDH_RSA_DES_192_CBC3_SHA, NULL, 0,
SSL_kDHE, SSL_aRSA, SSL_3DES, SSL_SHA1, 0, 0, 0, 0, SSL_HIGH | SSL_FIPS},
};
#ifdef OPENSSL_NO_ENGINE
static int get_optional_pkey_id(const char *pkey_name)
{
const EVP_PKEY_ASN1_METHOD *ameth;
int pkey_id = 0;
ameth = EVP_PKEY_asn1_find_str(NULL, pkey_name, -1);
if (ameth && EVP_PKEY_asn1_get0_info(&pkey_id, NULL, NULL, NULL, NULL,
ameth) > 0)
return pkey_id;
return 0;
}
#else
static int get_optional_pkey_id(const char *pkey_name)
{
const EVP_PKEY_ASN1_METHOD *ameth;
ENGINE *tmpeng = NULL;
int pkey_id = 0;
ameth = EVP_PKEY_asn1_find_str(&tmpeng, pkey_name, -1);
if (ameth) {
if (EVP_PKEY_asn1_get0_info(&pkey_id, NULL, NULL, NULL, NULL,
ameth) <= 0)
pkey_id = 0;
}
tls_engine_finish(tmpeng);
return pkey_id;
}
#endif
int ssl_load_ciphers(SSL_CTX *ctx)
{
size_t i;
const ssl_cipher_table *t;
EVP_KEYEXCH *kex = NULL;
EVP_SIGNATURE *sig = NULL;
ctx->disabled_enc_mask = 0;
for (i = 0, t = ssl_cipher_table_cipher; i < SSL_ENC_NUM_IDX; i++, t++) {
if (t->nid != NID_undef) {
const EVP_CIPHER *cipher
= ssl_evp_cipher_fetch(ctx->libctx, t->nid, ctx->propq);
ctx->ssl_cipher_methods[i] = cipher;
if (cipher == NULL)
ctx->disabled_enc_mask |= t->mask;
}
}
ctx->disabled_mac_mask = 0;
for (i = 0, t = ssl_cipher_table_mac; i < SSL_MD_NUM_IDX; i++, t++) {
const EVP_MD *md
= ssl_evp_md_fetch(ctx->libctx, t->nid, ctx->propq);
ctx->ssl_digest_methods[i] = md;
if (md == NULL) {
ctx->disabled_mac_mask |= t->mask;
} else {
int tmpsize = EVP_MD_get_size(md);
if (!ossl_assert(tmpsize >= 0))
return 0;
ctx->ssl_mac_secret_size[i] = tmpsize;
}
}
ctx->disabled_mkey_mask = 0;
ctx->disabled_auth_mask = 0;
ERR_set_mark();
sig = EVP_SIGNATURE_fetch(ctx->libctx, "DSA", ctx->propq);
if (sig == NULL)
ctx->disabled_auth_mask |= SSL_aDSS;
else
EVP_SIGNATURE_free(sig);
kex = EVP_KEYEXCH_fetch(ctx->libctx, "DH", ctx->propq);
if (kex == NULL)
ctx->disabled_mkey_mask |= SSL_kDHE | SSL_kDHEPSK;
else
EVP_KEYEXCH_free(kex);
kex = EVP_KEYEXCH_fetch(ctx->libctx, "ECDH", ctx->propq);
if (kex == NULL)
ctx->disabled_mkey_mask |= SSL_kECDHE | SSL_kECDHEPSK;
else
EVP_KEYEXCH_free(kex);
sig = EVP_SIGNATURE_fetch(ctx->libctx, "ECDSA", ctx->propq);
if (sig == NULL)
ctx->disabled_auth_mask |= SSL_aECDSA;
else
EVP_SIGNATURE_free(sig);
ERR_pop_to_mark();
#ifdef OPENSSL_NO_PSK
ctx->disabled_mkey_mask |= SSL_PSK;
ctx->disabled_auth_mask |= SSL_aPSK;
#endif
#ifdef OPENSSL_NO_SRP
ctx->disabled_mkey_mask |= SSL_kSRP;
#endif
memcpy(ctx->ssl_mac_pkey_id, default_mac_pkey_id,
sizeof(ctx->ssl_mac_pkey_id));
ctx->ssl_mac_pkey_id[SSL_MD_GOST89MAC_IDX] =
get_optional_pkey_id(SN_id_Gost28147_89_MAC);
if (ctx->ssl_mac_pkey_id[SSL_MD_GOST89MAC_IDX])
ctx->ssl_mac_secret_size[SSL_MD_GOST89MAC_IDX] = 32;
else
ctx->disabled_mac_mask |= SSL_GOST89MAC;
ctx->ssl_mac_pkey_id[SSL_MD_GOST89MAC12_IDX] =
get_optional_pkey_id(SN_gost_mac_12);
if (ctx->ssl_mac_pkey_id[SSL_MD_GOST89MAC12_IDX])
ctx->ssl_mac_secret_size[SSL_MD_GOST89MAC12_IDX] = 32;
else
ctx->disabled_mac_mask |= SSL_GOST89MAC12;
ctx->ssl_mac_pkey_id[SSL_MD_MAGMAOMAC_IDX] =
get_optional_pkey_id(SN_magma_mac);
if (ctx->ssl_mac_pkey_id[SSL_MD_MAGMAOMAC_IDX])
ctx->ssl_mac_secret_size[SSL_MD_MAGMAOMAC_IDX] = 32;
else
ctx->disabled_mac_mask |= SSL_MAGMAOMAC;
ctx->ssl_mac_pkey_id[SSL_MD_KUZNYECHIKOMAC_IDX] =
get_optional_pkey_id(SN_kuznyechik_mac);
if (ctx->ssl_mac_pkey_id[SSL_MD_KUZNYECHIKOMAC_IDX])
ctx->ssl_mac_secret_size[SSL_MD_KUZNYECHIKOMAC_IDX] = 32;
else
ctx->disabled_mac_mask |= SSL_KUZNYECHIKOMAC;
if (!get_optional_pkey_id(SN_id_GostR3410_2001))
ctx->disabled_auth_mask |= SSL_aGOST01 | SSL_aGOST12;
if (!get_optional_pkey_id(SN_id_GostR3410_2012_256))
ctx->disabled_auth_mask |= SSL_aGOST12;
if (!get_optional_pkey_id(SN_id_GostR3410_2012_512))
ctx->disabled_auth_mask |= SSL_aGOST12;
if ((ctx->disabled_auth_mask & (SSL_aGOST01 | SSL_aGOST12)) ==
(SSL_aGOST01 | SSL_aGOST12))
ctx->disabled_mkey_mask |= SSL_kGOST;
if ((ctx->disabled_auth_mask & SSL_aGOST12) == SSL_aGOST12)
ctx->disabled_mkey_mask |= SSL_kGOST18;
return 1;
}
#ifndef OPENSSL_NO_COMP
static int sk_comp_cmp(const SSL_COMP *const *a, const SSL_COMP *const *b)
{
return ((*a)->id - (*b)->id);
}
DEFINE_RUN_ONCE_STATIC(do_load_builtin_compressions)
{
SSL_COMP *comp = NULL;
COMP_METHOD *method = COMP_zlib();
ssl_comp_methods = sk_SSL_COMP_new(sk_comp_cmp);
if (COMP_get_type(method) != NID_undef && ssl_comp_methods != NULL) {
comp = OPENSSL_malloc(sizeof(*comp));
if (comp != NULL) {
comp->method = method;
comp->id = SSL_COMP_ZLIB_IDX;
comp->name = COMP_get_name(method);
if (!sk_SSL_COMP_push(ssl_comp_methods, comp))
OPENSSL_free(comp);
sk_SSL_COMP_sort(ssl_comp_methods);
}
}
return 1;
}
static int load_builtin_compressions(void)
{
return RUN_ONCE(&ssl_load_builtin_comp_once, do_load_builtin_compressions);
}
#endif
int ssl_cipher_get_evp_cipher(SSL_CTX *ctx, const SSL_CIPHER *sslc,
const EVP_CIPHER **enc)
{
int i = ssl_cipher_info_lookup(ssl_cipher_table_cipher, sslc->algorithm_enc);
if (i == -1) {
*enc = NULL;
} else {
if (i == SSL_ENC_NULL_IDX) {
*enc = EVP_CIPHER_fetch(ctx->libctx, "NULL", ctx->propq);
if (*enc == NULL)
return 0;
} else {
const EVP_CIPHER *cipher = ctx->ssl_cipher_methods[i];
if (cipher == NULL
|| !ssl_evp_cipher_up_ref(cipher))
return 0;
*enc = ctx->ssl_cipher_methods[i];
}
}
return 1;
}
int ssl_cipher_get_evp(SSL_CTX *ctx, const SSL_SESSION *s,
const EVP_CIPHER **enc, const EVP_MD **md,
int *mac_pkey_type, size_t *mac_secret_size,
SSL_COMP **comp, int use_etm)
{
int i;
const SSL_CIPHER *c;
c = s->cipher;
if (c == NULL)
return 0;
if (comp != NULL) {
SSL_COMP ctmp;
#ifndef OPENSSL_NO_COMP
if (!load_builtin_compressions()) {
}
#endif
*comp = NULL;
ctmp.id = s->compress_meth;
if (ssl_comp_methods != NULL) {
i = sk_SSL_COMP_find(ssl_comp_methods, &ctmp);
if (i >= 0)
*comp = sk_SSL_COMP_value(ssl_comp_methods, i);
}
if ((enc == NULL) && (md == NULL))
return 1;
}
if ((enc == NULL) || (md == NULL))
return 0;
if (!ssl_cipher_get_evp_cipher(ctx, c, enc))
return 0;
i = ssl_cipher_info_lookup(ssl_cipher_table_mac, c->algorithm_mac);
if (i == -1) {
*md = NULL;
if (mac_pkey_type != NULL)
*mac_pkey_type = NID_undef;
if (mac_secret_size != NULL)
*mac_secret_size = 0;
if (c->algorithm_mac == SSL_AEAD)
mac_pkey_type = NULL;
} else {
const EVP_MD *digest = ctx->ssl_digest_methods[i];
if (digest == NULL
|| !ssl_evp_md_up_ref(digest)) {
ssl_evp_cipher_free(*enc);
return 0;
}
*md = digest;
if (mac_pkey_type != NULL)
*mac_pkey_type = ctx->ssl_mac_pkey_id[i];
if (mac_secret_size != NULL)
*mac_secret_size = ctx->ssl_mac_secret_size[i];
}
if ((*enc != NULL)
&& (*md != NULL
|| (EVP_CIPHER_get_flags(*enc) & EVP_CIPH_FLAG_AEAD_CIPHER))
&& (!mac_pkey_type || *mac_pkey_type != NID_undef)) {
const EVP_CIPHER *evp = NULL;
if (use_etm
|| s->ssl_version >> 8 != TLS1_VERSION_MAJOR
|| s->ssl_version < TLS1_VERSION)
return 1;
if (c->algorithm_enc == SSL_RC4
&& c->algorithm_mac == SSL_MD5)
evp = ssl_evp_cipher_fetch(ctx->libctx, NID_rc4_hmac_md5,
ctx->propq);
else if (c->algorithm_enc == SSL_AES128
&& c->algorithm_mac == SSL_SHA1)
evp = ssl_evp_cipher_fetch(ctx->libctx,
NID_aes_128_cbc_hmac_sha1,
ctx->propq);
else if (c->algorithm_enc == SSL_AES256
&& c->algorithm_mac == SSL_SHA1)
evp = ssl_evp_cipher_fetch(ctx->libctx,
NID_aes_256_cbc_hmac_sha1,
ctx->propq);
else if (c->algorithm_enc == SSL_AES128
&& c->algorithm_mac == SSL_SHA256)
evp = ssl_evp_cipher_fetch(ctx->libctx,
NID_aes_128_cbc_hmac_sha256,
ctx->propq);
else if (c->algorithm_enc == SSL_AES256
&& c->algorithm_mac == SSL_SHA256)
evp = ssl_evp_cipher_fetch(ctx->libctx,
NID_aes_256_cbc_hmac_sha256,
ctx->propq);
if (evp != NULL) {
ssl_evp_cipher_free(*enc);
ssl_evp_md_free(*md);
*enc = evp;
*md = NULL;
}
return 1;
}
return 0;
}
const EVP_MD *ssl_md(SSL_CTX *ctx, int idx)
{
idx &= SSL_HANDSHAKE_MAC_MASK;
if (idx < 0 || idx >= SSL_MD_NUM_IDX)
return NULL;
return ctx->ssl_digest_methods[idx];
}
const EVP_MD *ssl_handshake_md(SSL_CONNECTION *s)
{
return ssl_md(SSL_CONNECTION_GET_CTX(s), ssl_get_algorithm2(s));
}
const EVP_MD *ssl_prf_md(SSL_CONNECTION *s)
{
return ssl_md(SSL_CONNECTION_GET_CTX(s),
ssl_get_algorithm2(s) >> TLS1_PRF_DGST_SHIFT);
}
#define ITEM_SEP(a) \
(((a) == ':') || ((a) == ' ') || ((a) == ';') || ((a) == ','))
static void ll_append_tail(CIPHER_ORDER **head, CIPHER_ORDER *curr,
CIPHER_ORDER **tail)
{
if (curr == *tail)
return;
if (curr == *head)
*head = curr->next;
if (curr->prev != NULL)
curr->prev->next = curr->next;
if (curr->next != NULL)
curr->next->prev = curr->prev;
(*tail)->next = curr;
curr->prev = *tail;
curr->next = NULL;
*tail = curr;
}
static void ll_append_head(CIPHER_ORDER **head, CIPHER_ORDER *curr,
CIPHER_ORDER **tail)
{
if (curr == *head)
return;
if (curr == *tail)
*tail = curr->prev;
if (curr->next != NULL)
curr->next->prev = curr->prev;
if (curr->prev != NULL)
curr->prev->next = curr->next;
(*head)->prev = curr;
curr->next = *head;
curr->prev = NULL;
*head = curr;
}
static void ssl_cipher_collect_ciphers(const SSL_METHOD *ssl_method,
int num_of_ciphers,
uint32_t disabled_mkey,
uint32_t disabled_auth,
uint32_t disabled_enc,
uint32_t disabled_mac,
CIPHER_ORDER *co_list,
CIPHER_ORDER **head_p,
CIPHER_ORDER **tail_p)
{
int i, co_list_num;
const SSL_CIPHER *c;
co_list_num = 0;
for (i = 0; i < num_of_ciphers; i++) {
c = ssl_method->get_cipher(i);
if (c == NULL || !c->valid)
continue;
if ((c->algorithm_mkey & disabled_mkey) ||
(c->algorithm_auth & disabled_auth) ||
(c->algorithm_enc & disabled_enc) ||
(c->algorithm_mac & disabled_mac))
continue;
if (((ssl_method->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS) == 0) &&
c->min_tls == 0)
continue;
if (((ssl_method->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS) != 0) &&
c->min_dtls == 0)
continue;
co_list[co_list_num].cipher = c;
co_list[co_list_num].next = NULL;
co_list[co_list_num].prev = NULL;
co_list[co_list_num].active = 0;
co_list_num++;
}
if (co_list_num > 0) {
co_list[0].prev = NULL;
if (co_list_num > 1) {
co_list[0].next = &co_list[1];
for (i = 1; i < co_list_num - 1; i++) {
co_list[i].prev = &co_list[i - 1];
co_list[i].next = &co_list[i + 1];
}
co_list[co_list_num - 1].prev = &co_list[co_list_num - 2];
}
co_list[co_list_num - 1].next = NULL;
*head_p = &co_list[0];
*tail_p = &co_list[co_list_num - 1];
}
}
static void ssl_cipher_collect_aliases(const SSL_CIPHER **ca_list,
int num_of_group_aliases,
uint32_t disabled_mkey,
uint32_t disabled_auth,
uint32_t disabled_enc,
uint32_t disabled_mac,
CIPHER_ORDER *head)
{
CIPHER_ORDER *ciph_curr;
const SSL_CIPHER **ca_curr;
int i;
uint32_t mask_mkey = ~disabled_mkey;
uint32_t mask_auth = ~disabled_auth;
uint32_t mask_enc = ~disabled_enc;
uint32_t mask_mac = ~disabled_mac;
ciph_curr = head;
ca_curr = ca_list;
while (ciph_curr != NULL) {
*ca_curr = ciph_curr->cipher;
ca_curr++;
ciph_curr = ciph_curr->next;
}
for (i = 0; i < num_of_group_aliases; i++) {
uint32_t algorithm_mkey = cipher_aliases[i].algorithm_mkey;
uint32_t algorithm_auth = cipher_aliases[i].algorithm_auth;
uint32_t algorithm_enc = cipher_aliases[i].algorithm_enc;
uint32_t algorithm_mac = cipher_aliases[i].algorithm_mac;
if (algorithm_mkey)
if ((algorithm_mkey & mask_mkey) == 0)
continue;
if (algorithm_auth)
if ((algorithm_auth & mask_auth) == 0)
continue;
if (algorithm_enc)
if ((algorithm_enc & mask_enc) == 0)
continue;
if (algorithm_mac)
if ((algorithm_mac & mask_mac) == 0)
continue;
*ca_curr = (SSL_CIPHER *)(cipher_aliases + i);
ca_curr++;
}
*ca_curr = NULL;
}
static void ssl_cipher_apply_rule(uint32_t cipher_id, uint32_t alg_mkey,
uint32_t alg_auth, uint32_t alg_enc,
uint32_t alg_mac, int min_tls,
uint32_t algo_strength, int rule,
int32_t strength_bits, CIPHER_ORDER **head_p,
CIPHER_ORDER **tail_p)
{
CIPHER_ORDER *head, *tail, *curr, *next, *last;
const SSL_CIPHER *cp;
int reverse = 0;
OSSL_TRACE_BEGIN(TLS_CIPHER) {
BIO_printf(trc_out,
"Applying rule %d with %08x/%08x/%08x/%08x/%08x %08x (%d)\n",
rule, (unsigned int)alg_mkey, (unsigned int)alg_auth,
(unsigned int)alg_enc, (unsigned int)alg_mac, min_tls,
(unsigned int)algo_strength, (int)strength_bits);
}
if (rule == CIPHER_DEL || rule == CIPHER_BUMP)
reverse = 1;
head = *head_p;
tail = *tail_p;
if (reverse) {
next = tail;
last = head;
} else {
next = head;
last = tail;
}
curr = NULL;
for (;;) {
if (curr == last)
break;
curr = next;
if (curr == NULL)
break;
next = reverse ? curr->prev : curr->next;
cp = curr->cipher;
if (strength_bits >= 0) {
if (strength_bits != cp->strength_bits)
continue;
} else {
if (trc_out != NULL) {
BIO_printf(trc_out,
"\nName: %s:"
"\nAlgo = %08x/%08x/%08x/%08x/%08x Algo_strength = %08x\n",
cp->name,
(unsigned int)cp->algorithm_mkey,
(unsigned int)cp->algorithm_auth,
(unsigned int)cp->algorithm_enc,
(unsigned int)cp->algorithm_mac,
cp->min_tls,
(unsigned int)cp->algo_strength);
}
if (cipher_id != 0 && (cipher_id != cp->id))
continue;
if (alg_mkey && !(alg_mkey & cp->algorithm_mkey))
continue;
if (alg_auth && !(alg_auth & cp->algorithm_auth))
continue;
if (alg_enc && !(alg_enc & cp->algorithm_enc))
continue;
if (alg_mac && !(alg_mac & cp->algorithm_mac))
continue;
if (min_tls && (min_tls != cp->min_tls))
continue;
if ((algo_strength & SSL_STRONG_MASK)
&& !(algo_strength & SSL_STRONG_MASK & cp->algo_strength))
continue;
if ((algo_strength & SSL_DEFAULT_MASK)
&& !(algo_strength & SSL_DEFAULT_MASK & cp->algo_strength))
continue;
}
if (trc_out != NULL)
BIO_printf(trc_out, "Action = %d\n", rule);
if (rule == CIPHER_ADD) {
if (!curr->active) {
ll_append_tail(&head, curr, &tail);
curr->active = 1;
}
}
else if (rule == CIPHER_ORD) {
if (curr->active) {
ll_append_tail(&head, curr, &tail);
}
} else if (rule == CIPHER_DEL) {
if (curr->active) {
ll_append_head(&head, curr, &tail);
curr->active = 0;
}
} else if (rule == CIPHER_BUMP) {
if (curr->active)
ll_append_head(&head, curr, &tail);
} else if (rule == CIPHER_KILL) {
if (head == curr)
head = curr->next;
else
curr->prev->next = curr->next;
if (tail == curr)
tail = curr->prev;
curr->active = 0;
if (curr->next != NULL)
curr->next->prev = curr->prev;
if (curr->prev != NULL)
curr->prev->next = curr->next;
curr->next = NULL;
curr->prev = NULL;
}
}
*head_p = head;
*tail_p = tail;
OSSL_TRACE_END(TLS_CIPHER);
}
static int ssl_cipher_strength_sort(CIPHER_ORDER **head_p,
CIPHER_ORDER **tail_p)
{
int32_t max_strength_bits;
int i, *number_uses;
CIPHER_ORDER *curr;
max_strength_bits = 0;
curr = *head_p;
while (curr != NULL) {
if (curr->active && (curr->cipher->strength_bits > max_strength_bits))
max_strength_bits = curr->cipher->strength_bits;
curr = curr->next;
}
number_uses = OPENSSL_zalloc(sizeof(int) * (max_strength_bits + 1));
if (number_uses == NULL)
return 0;
curr = *head_p;
while (curr != NULL) {
if (curr->active)
number_uses[curr->cipher->strength_bits]++;
curr = curr->next;
}
for (i = max_strength_bits; i >= 0; i--)
if (number_uses[i] > 0)
ssl_cipher_apply_rule(0, 0, 0, 0, 0, 0, 0, CIPHER_ORD, i, head_p,
tail_p);
OPENSSL_free(number_uses);
return 1;
}
static int ssl_cipher_process_rulestr(const char *rule_str,
CIPHER_ORDER **head_p,
CIPHER_ORDER **tail_p,
const SSL_CIPHER **ca_list, CERT *c)
{
uint32_t alg_mkey, alg_auth, alg_enc, alg_mac, algo_strength;
int min_tls;
const char *l, *buf;
int j, multi, found, rule, retval, ok, buflen;
uint32_t cipher_id = 0;
char ch;
retval = 1;
l = rule_str;
for (;;) {
ch = *l;
if (ch == '\0')
break;
if (ch == '-') {
rule = CIPHER_DEL;
l++;
} else if (ch == '+') {
rule = CIPHER_ORD;
l++;
} else if (ch == '!') {
rule = CIPHER_KILL;
l++;
} else if (ch == '@') {
rule = CIPHER_SPECIAL;
l++;
} else {
rule = CIPHER_ADD;
}
if (ITEM_SEP(ch)) {
l++;
continue;
}
alg_mkey = 0;
alg_auth = 0;
alg_enc = 0;
alg_mac = 0;
min_tls = 0;
algo_strength = 0;
for (;;) {
ch = *l;
buf = l;
buflen = 0;
#ifndef CHARSET_EBCDIC
while (((ch >= 'A') && (ch <= 'Z')) ||
((ch >= '0') && (ch <= '9')) ||
((ch >= 'a') && (ch <= 'z')) ||
(ch == '-') || (ch == '_') || (ch == '.') || (ch == '='))
#else
while (isalnum((unsigned char)ch) || (ch == '-') || (ch == '_') || (ch == '.')
|| (ch == '='))
#endif
{
ch = *(++l);
buflen++;
}
if (buflen == 0) {
ERR_raise(ERR_LIB_SSL, SSL_R_INVALID_COMMAND);
return 0;
}
if (rule == CIPHER_SPECIAL) {
found = 0;
break;
}
if (ch == '+') {
multi = 1;
l++;
} else {
multi = 0;
}
j = found = 0;
cipher_id = 0;
while (ca_list[j]) {
if (strncmp(buf, ca_list[j]->name, buflen) == 0
&& (ca_list[j]->name[buflen] == '\0')) {
found = 1;
break;
} else if (ca_list[j]->stdname != NULL
&& strncmp(buf, ca_list[j]->stdname, buflen) == 0
&& ca_list[j]->stdname[buflen] == '\0') {
found = 1;
break;
} else
j++;
}
if (!found)
break;
if (ca_list[j]->algorithm_mkey) {
if (alg_mkey) {
alg_mkey &= ca_list[j]->algorithm_mkey;
if (!alg_mkey) {
found = 0;
break;
}
} else {
alg_mkey = ca_list[j]->algorithm_mkey;
}
}
if (ca_list[j]->algorithm_auth) {
if (alg_auth) {
alg_auth &= ca_list[j]->algorithm_auth;
if (!alg_auth) {
found = 0;
break;
}
} else {
alg_auth = ca_list[j]->algorithm_auth;
}
}
if (ca_list[j]->algorithm_enc) {
if (alg_enc) {
alg_enc &= ca_list[j]->algorithm_enc;
if (!alg_enc) {
found = 0;
break;
}
} else {
alg_enc = ca_list[j]->algorithm_enc;
}
}
if (ca_list[j]->algorithm_mac) {
if (alg_mac) {
alg_mac &= ca_list[j]->algorithm_mac;
if (!alg_mac) {
found = 0;
break;
}
} else {
alg_mac = ca_list[j]->algorithm_mac;
}
}
if (ca_list[j]->algo_strength & SSL_STRONG_MASK) {
if (algo_strength & SSL_STRONG_MASK) {
algo_strength &=
(ca_list[j]->algo_strength & SSL_STRONG_MASK) |
~SSL_STRONG_MASK;
if (!(algo_strength & SSL_STRONG_MASK)) {
found = 0;
break;
}
} else {
algo_strength = ca_list[j]->algo_strength & SSL_STRONG_MASK;
}
}
if (ca_list[j]->algo_strength & SSL_DEFAULT_MASK) {
if (algo_strength & SSL_DEFAULT_MASK) {
algo_strength &=
(ca_list[j]->algo_strength & SSL_DEFAULT_MASK) |
~SSL_DEFAULT_MASK;
if (!(algo_strength & SSL_DEFAULT_MASK)) {
found = 0;
break;
}
} else {
algo_strength |=
ca_list[j]->algo_strength & SSL_DEFAULT_MASK;
}
}
if (ca_list[j]->valid) {
cipher_id = ca_list[j]->id;
} else {
if (ca_list[j]->min_tls) {
if (min_tls != 0 && min_tls != ca_list[j]->min_tls) {
found = 0;
break;
} else {
min_tls = ca_list[j]->min_tls;
}
}
}
if (!multi)
break;
}
if (rule == CIPHER_SPECIAL) {
ok = 0;
if ((buflen == 8) && HAS_PREFIX(buf, "STRENGTH")) {
ok = ssl_cipher_strength_sort(head_p, tail_p);
} else if (buflen == 10 && CHECK_AND_SKIP_PREFIX(buf, "SECLEVEL=")) {
int level = *buf - '0';
if (level < 0 || level > 5) {
ERR_raise(ERR_LIB_SSL, SSL_R_INVALID_COMMAND);
} else {
c->sec_level = level;
ok = 1;
}
} else {
ERR_raise(ERR_LIB_SSL, SSL_R_INVALID_COMMAND);
}
if (ok == 0)
retval = 0;
while ((*l != '\0') && !ITEM_SEP(*l))
l++;
} else if (found) {
ssl_cipher_apply_rule(cipher_id,
alg_mkey, alg_auth, alg_enc, alg_mac,
min_tls, algo_strength, rule, -1, head_p,
tail_p);
} else {
while ((*l != '\0') && !ITEM_SEP(*l))
l++;
}
if (*l == '\0')
break;
}
return retval;
}
static int check_suiteb_cipher_list(const SSL_METHOD *meth, CERT *c,
const char **prule_str)
{
unsigned int suiteb_flags = 0, suiteb_comb2 = 0;
if (HAS_PREFIX(*prule_str, "SUITEB128ONLY")) {
suiteb_flags = SSL_CERT_FLAG_SUITEB_128_LOS_ONLY;
} else if (HAS_PREFIX(*prule_str, "SUITEB128C2")) {
suiteb_comb2 = 1;
suiteb_flags = SSL_CERT_FLAG_SUITEB_128_LOS;
} else if (HAS_PREFIX(*prule_str, "SUITEB128")) {
suiteb_flags = SSL_CERT_FLAG_SUITEB_128_LOS;
} else if (HAS_PREFIX(*prule_str, "SUITEB192")) {
suiteb_flags = SSL_CERT_FLAG_SUITEB_192_LOS;
}
if (suiteb_flags) {
c->cert_flags &= ~SSL_CERT_FLAG_SUITEB_128_LOS;
c->cert_flags |= suiteb_flags;
} else {
suiteb_flags = c->cert_flags & SSL_CERT_FLAG_SUITEB_128_LOS;
}
if (!suiteb_flags)
return 1;
if (!(meth->ssl3_enc->enc_flags & SSL_ENC_FLAG_TLS1_2_CIPHERS)) {
ERR_raise(ERR_LIB_SSL, SSL_R_AT_LEAST_TLS_1_2_NEEDED_IN_SUITEB_MODE);
return 0;
}
switch (suiteb_flags) {
case SSL_CERT_FLAG_SUITEB_128_LOS:
if (suiteb_comb2)
*prule_str = "ECDHE-ECDSA-AES256-GCM-SHA384";
else
*prule_str =
"ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384";
break;
case SSL_CERT_FLAG_SUITEB_128_LOS_ONLY:
*prule_str = "ECDHE-ECDSA-AES128-GCM-SHA256";
break;
case SSL_CERT_FLAG_SUITEB_192_LOS:
*prule_str = "ECDHE-ECDSA-AES256-GCM-SHA384";
break;
}
return 1;
}
static int ciphersuite_cb(const char *elem, int len, void *arg)
{
STACK_OF(SSL_CIPHER) *ciphersuites = (STACK_OF(SSL_CIPHER) *)arg;
const SSL_CIPHER *cipher;
char name[80];
if (len > (int)(sizeof(name) - 1))
return 1;
memcpy(name, elem, len);
name[len] = '\0';
cipher = ssl3_get_cipher_by_std_name(name);
if (cipher == NULL)
return 1;
if (!sk_SSL_CIPHER_push(ciphersuites, cipher)) {
ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
return 0;
}
return 1;
}
static __owur int set_ciphersuites(STACK_OF(SSL_CIPHER) **currciphers, const char *str)
{
STACK_OF(SSL_CIPHER) *newciphers = sk_SSL_CIPHER_new_null();
if (newciphers == NULL)
return 0;
if (*str != '\0'
&& (CONF_parse_list(str, ':', 1, ciphersuite_cb, newciphers) <= 0
|| sk_SSL_CIPHER_num(newciphers) == 0)) {
ERR_raise(ERR_LIB_SSL, SSL_R_NO_CIPHER_MATCH);
sk_SSL_CIPHER_free(newciphers);
return 0;
}
sk_SSL_CIPHER_free(*currciphers);
*currciphers = newciphers;
return 1;
}
static int update_cipher_list_by_id(STACK_OF(SSL_CIPHER) **cipher_list_by_id,
STACK_OF(SSL_CIPHER) *cipherstack)
{
STACK_OF(SSL_CIPHER) *tmp_cipher_list = sk_SSL_CIPHER_dup(cipherstack);
if (tmp_cipher_list == NULL) {
return 0;
}
sk_SSL_CIPHER_free(*cipher_list_by_id);
*cipher_list_by_id = tmp_cipher_list;
(void)sk_SSL_CIPHER_set_cmp_func(*cipher_list_by_id, ssl_cipher_ptr_id_cmp);
sk_SSL_CIPHER_sort(*cipher_list_by_id);
return 1;
}
static int update_cipher_list(SSL_CTX *ctx,
STACK_OF(SSL_CIPHER) **cipher_list,
STACK_OF(SSL_CIPHER) **cipher_list_by_id,
STACK_OF(SSL_CIPHER) *tls13_ciphersuites)
{
int i;
STACK_OF(SSL_CIPHER) *tmp_cipher_list = sk_SSL_CIPHER_dup(*cipher_list);
if (tmp_cipher_list == NULL)
return 0;
while (sk_SSL_CIPHER_num(tmp_cipher_list) > 0
&& sk_SSL_CIPHER_value(tmp_cipher_list, 0)->min_tls
== TLS1_3_VERSION)
(void)sk_SSL_CIPHER_delete(tmp_cipher_list, 0);
for (i = sk_SSL_CIPHER_num(tls13_ciphersuites) - 1; i >= 0; i--) {
const SSL_CIPHER *sslc = sk_SSL_CIPHER_value(tls13_ciphersuites, i);
if ((sslc->algorithm_enc & ctx->disabled_enc_mask) == 0
&& (ssl_cipher_table_mac[sslc->algorithm2
& SSL_HANDSHAKE_MAC_MASK].mask
& ctx->disabled_mac_mask) == 0) {
sk_SSL_CIPHER_unshift(tmp_cipher_list, sslc);
}
}
if (!update_cipher_list_by_id(cipher_list_by_id, tmp_cipher_list)) {
sk_SSL_CIPHER_free(tmp_cipher_list);
return 0;
}
sk_SSL_CIPHER_free(*cipher_list);
*cipher_list = tmp_cipher_list;
return 1;
}
int SSL_CTX_set_ciphersuites(SSL_CTX *ctx, const char *str)
{
int ret = set_ciphersuites(&(ctx->tls13_ciphersuites), str);
if (ret && ctx->cipher_list != NULL)
return update_cipher_list(ctx, &ctx->cipher_list, &ctx->cipher_list_by_id,
ctx->tls13_ciphersuites);
return ret;
}
int SSL_set_ciphersuites(SSL *s, const char *str)
{
STACK_OF(SSL_CIPHER) *cipher_list;
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
int ret;
if (sc == NULL)
return 0;
ret = set_ciphersuites(&(sc->tls13_ciphersuites), str);
if (sc->cipher_list == NULL) {
if ((cipher_list = SSL_get_ciphers(s)) != NULL)
sc->cipher_list = sk_SSL_CIPHER_dup(cipher_list);
}
if (ret && sc->cipher_list != NULL)
return update_cipher_list(s->ctx, &sc->cipher_list,
&sc->cipher_list_by_id,
sc->tls13_ciphersuites);
return ret;
}
STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(SSL_CTX *ctx,
STACK_OF(SSL_CIPHER) *tls13_ciphersuites,
STACK_OF(SSL_CIPHER) **cipher_list,
STACK_OF(SSL_CIPHER) **cipher_list_by_id,
const char *rule_str,
CERT *c)
{
int ok, num_of_ciphers, num_of_alias_max, num_of_group_aliases, i;
uint32_t disabled_mkey, disabled_auth, disabled_enc, disabled_mac;
STACK_OF(SSL_CIPHER) *cipherstack;
const char *rule_p;
CIPHER_ORDER *co_list = NULL, *head = NULL, *tail = NULL, *curr;
const SSL_CIPHER **ca_list = NULL;
const SSL_METHOD *ssl_method = ctx->method;
if (rule_str == NULL || cipher_list == NULL || cipher_list_by_id == NULL)
return NULL;
if (!check_suiteb_cipher_list(ssl_method, c, &rule_str))
return NULL;
disabled_mkey = ctx->disabled_mkey_mask;
disabled_auth = ctx->disabled_auth_mask;
disabled_enc = ctx->disabled_enc_mask;
disabled_mac = ctx->disabled_mac_mask;
num_of_ciphers = ssl_method->num_ciphers();
if (num_of_ciphers > 0) {
co_list = OPENSSL_malloc(sizeof(*co_list) * num_of_ciphers);
if (co_list == NULL)
return NULL;
}
ssl_cipher_collect_ciphers(ssl_method, num_of_ciphers,
disabled_mkey, disabled_auth, disabled_enc,
disabled_mac, co_list, &head, &tail);
ssl_cipher_apply_rule(0, SSL_kECDHE, SSL_aECDSA, 0, 0, 0, 0, CIPHER_ADD,
-1, &head, &tail);
ssl_cipher_apply_rule(0, SSL_kECDHE, 0, 0, 0, 0, 0, CIPHER_ADD, -1, &head,
&tail);
ssl_cipher_apply_rule(0, SSL_kECDHE, 0, 0, 0, 0, 0, CIPHER_DEL, -1, &head,
&tail);
ssl_cipher_apply_rule(0, 0, 0, SSL_AESGCM, 0, 0, 0, CIPHER_ADD, -1,
&head, &tail);
ssl_cipher_apply_rule(0, 0, 0, SSL_CHACHA20, 0, 0, 0, CIPHER_ADD, -1,
&head, &tail);
ssl_cipher_apply_rule(0, 0, 0, SSL_AES ^ SSL_AESGCM, 0, 0, 0, CIPHER_ADD,
-1, &head, &tail);
ssl_cipher_apply_rule(0, 0, 0, 0, 0, 0, 0, CIPHER_ADD, -1, &head, &tail);
ssl_cipher_apply_rule(0, 0, 0, 0, SSL_MD5, 0, 0, CIPHER_ORD, -1, &head,
&tail);
ssl_cipher_apply_rule(0, 0, SSL_aNULL, 0, 0, 0, 0, CIPHER_ORD, -1, &head,
&tail);
ssl_cipher_apply_rule(0, SSL_kRSA, 0, 0, 0, 0, 0, CIPHER_ORD, -1, &head,
&tail);
ssl_cipher_apply_rule(0, SSL_kPSK, 0, 0, 0, 0, 0, CIPHER_ORD, -1, &head,
&tail);
ssl_cipher_apply_rule(0, 0, 0, SSL_RC4, 0, 0, 0, CIPHER_ORD, -1, &head,
&tail);
if (!ssl_cipher_strength_sort(&head, &tail)) {
OPENSSL_free(co_list);
return NULL;
}
ssl_cipher_apply_rule(0, 0, 0, 0, 0, TLS1_2_VERSION, 0, CIPHER_BUMP, -1,
&head, &tail);
ssl_cipher_apply_rule(0, 0, 0, 0, SSL_AEAD, 0, 0, CIPHER_BUMP, -1,
&head, &tail);
ssl_cipher_apply_rule(0, SSL_kDHE | SSL_kECDHE, 0, 0, 0, 0, 0,
CIPHER_BUMP, -1, &head, &tail);
ssl_cipher_apply_rule(0, SSL_kDHE | SSL_kECDHE, 0, 0, SSL_AEAD, 0, 0,
CIPHER_BUMP, -1, &head, &tail);
ssl_cipher_apply_rule(0, 0, 0, 0, 0, 0, 0, CIPHER_DEL, -1, &head, &tail);
num_of_group_aliases = OSSL_NELEM(cipher_aliases);
num_of_alias_max = num_of_ciphers + num_of_group_aliases + 1;
ca_list = OPENSSL_malloc(sizeof(*ca_list) * num_of_alias_max);
if (ca_list == NULL) {
OPENSSL_free(co_list);
return NULL;
}
ssl_cipher_collect_aliases(ca_list, num_of_group_aliases,
disabled_mkey, disabled_auth, disabled_enc,
disabled_mac, head);
ok = 1;
rule_p = rule_str;
if (HAS_PREFIX(rule_str, "DEFAULT")) {
ok = ssl_cipher_process_rulestr(OSSL_default_cipher_list(),
&head, &tail, ca_list, c);
rule_p += 7;
if (*rule_p == ':')
rule_p++;
}
if (ok && (rule_p[0] != '\0'))
ok = ssl_cipher_process_rulestr(rule_p, &head, &tail, ca_list, c);
OPENSSL_free(ca_list);
if (!ok) {
OPENSSL_free(co_list);
return NULL;
}
if ((cipherstack = sk_SSL_CIPHER_new_null()) == NULL) {
OPENSSL_free(co_list);
return NULL;
}
for (i = 0; i < sk_SSL_CIPHER_num(tls13_ciphersuites); i++) {
const SSL_CIPHER *sslc = sk_SSL_CIPHER_value(tls13_ciphersuites, i);
if ((sslc->algorithm_enc & disabled_enc) != 0
|| (ssl_cipher_table_mac[sslc->algorithm2
& SSL_HANDSHAKE_MAC_MASK].mask
& ctx->disabled_mac_mask) != 0) {
sk_SSL_CIPHER_delete(tls13_ciphersuites, i);
i--;
continue;
}
if (!sk_SSL_CIPHER_push(cipherstack, sslc)) {
OPENSSL_free(co_list);
sk_SSL_CIPHER_free(cipherstack);
return NULL;
}
}
OSSL_TRACE_BEGIN(TLS_CIPHER) {
BIO_printf(trc_out, "cipher selection:\n");
}
for (curr = head; curr != NULL; curr = curr->next) {
if (curr->active) {
if (!sk_SSL_CIPHER_push(cipherstack, curr->cipher)) {
OPENSSL_free(co_list);
sk_SSL_CIPHER_free(cipherstack);
OSSL_TRACE_CANCEL(TLS_CIPHER);
return NULL;
}
if (trc_out != NULL)
BIO_printf(trc_out, "<%s>\n", curr->cipher->name);
}
}
OPENSSL_free(co_list);
OSSL_TRACE_END(TLS_CIPHER);
if (!update_cipher_list_by_id(cipher_list_by_id, cipherstack)) {
sk_SSL_CIPHER_free(cipherstack);
return NULL;
}
sk_SSL_CIPHER_free(*cipher_list);
*cipher_list = cipherstack;
return cipherstack;
}
char *SSL_CIPHER_description(const SSL_CIPHER *cipher, char *buf, int len)
{
const char *ver;
const char *kx, *au, *enc, *mac;
uint32_t alg_mkey, alg_auth, alg_enc, alg_mac;
static const char *const format = "%-30s %-7s Kx=%-8s Au=%-5s Enc=%-22s Mac=%-4s\n";
if (buf == NULL) {
len = 128;
if ((buf = OPENSSL_malloc(len)) == NULL)
return NULL;
} else if (len < 128) {
return NULL;
}
alg_mkey = cipher->algorithm_mkey;
alg_auth = cipher->algorithm_auth;
alg_enc = cipher->algorithm_enc;
alg_mac = cipher->algorithm_mac;
ver = ssl_protocol_to_string(cipher->min_tls);
switch (alg_mkey) {
case SSL_kRSA:
kx = "RSA";
break;
case SSL_kDHE:
kx = "DH";
break;
case SSL_kECDHE:
kx = "ECDH";
break;
case SSL_kPSK:
kx = "PSK";
break;
case SSL_kRSAPSK:
kx = "RSAPSK";
break;
case SSL_kECDHEPSK:
kx = "ECDHEPSK";
break;
case SSL_kDHEPSK:
kx = "DHEPSK";
break;
case SSL_kSRP:
kx = "SRP";
break;
case SSL_kGOST:
kx = "GOST";
break;
case SSL_kGOST18:
kx = "GOST18";
break;
case SSL_kANY:
kx = "any";
break;
default:
kx = "unknown";
}
switch (alg_auth) {
case SSL_aRSA:
au = "RSA";
break;
case SSL_aDSS:
au = "DSS";
break;
case SSL_aNULL:
au = "None";
break;
case SSL_aECDSA:
au = "ECDSA";
break;
case SSL_aPSK:
au = "PSK";
break;
case SSL_aSRP:
au = "SRP";
break;
case SSL_aGOST01:
au = "GOST01";
break;
case (SSL_aGOST12 | SSL_aGOST01):
au = "GOST12";
break;
case SSL_aANY:
au = "any";
break;
default:
au = "unknown";
break;
}
switch (alg_enc) {
case SSL_DES:
enc = "DES(56)";
break;
case SSL_3DES:
enc = "3DES(168)";
break;
case SSL_RC4:
enc = "RC4(128)";
break;
case SSL_RC2:
enc = "RC2(128)";
break;
case SSL_IDEA:
enc = "IDEA(128)";
break;
case SSL_eNULL:
enc = "None";
break;
case SSL_AES128:
enc = "AES(128)";
break;
case SSL_AES256:
enc = "AES(256)";
break;
case SSL_AES128GCM:
enc = "AESGCM(128)";
break;
case SSL_AES256GCM:
enc = "AESGCM(256)";
break;
case SSL_AES128CCM:
enc = "AESCCM(128)";
break;
case SSL_AES256CCM:
enc = "AESCCM(256)";
break;
case SSL_AES128CCM8:
enc = "AESCCM8(128)";
break;
case SSL_AES256CCM8:
enc = "AESCCM8(256)";
break;
case SSL_CAMELLIA128:
enc = "Camellia(128)";
break;
case SSL_CAMELLIA256:
enc = "Camellia(256)";
break;
case SSL_ARIA128GCM:
enc = "ARIAGCM(128)";
break;
case SSL_ARIA256GCM:
enc = "ARIAGCM(256)";
break;
case SSL_SEED:
enc = "SEED(128)";
break;
case SSL_eGOST2814789CNT:
case SSL_eGOST2814789CNT12:
enc = "GOST89(256)";
break;
case SSL_MAGMA:
enc = "MAGMA";
break;
case SSL_KUZNYECHIK:
enc = "KUZNYECHIK";
break;
case SSL_CHACHA20POLY1305:
enc = "CHACHA20/POLY1305(256)";
break;
default:
enc = "unknown";
break;
}
switch (alg_mac) {
case SSL_MD5:
mac = "MD5";
break;
case SSL_SHA1:
mac = "SHA1";
break;
case SSL_SHA256:
mac = "SHA256";
break;
case SSL_SHA384:
mac = "SHA384";
break;
case SSL_AEAD:
mac = "AEAD";
break;
case SSL_GOST89MAC:
case SSL_GOST89MAC12:
mac = "GOST89";
break;
case SSL_GOST94:
mac = "GOST94";
break;
case SSL_GOST12_256:
case SSL_GOST12_512:
mac = "GOST2012";
break;
default:
mac = "unknown";
break;
}
BIO_snprintf(buf, len, format, cipher->name, ver, kx, au, enc, mac);
return buf;
}
const char *SSL_CIPHER_get_version(const SSL_CIPHER *c)
{
if (c == NULL)
return "(NONE)";
if (c->min_tls == TLS1_VERSION)
return "TLSv1.0";
return ssl_protocol_to_string(c->min_tls);
}
const char *SSL_CIPHER_get_name(const SSL_CIPHER *c)
{
if (c != NULL)
return c->name;
return "(NONE)";
}
const char *SSL_CIPHER_standard_name(const SSL_CIPHER *c)
{
if (c != NULL)
return c->stdname;
return "(NONE)";
}
const char *OPENSSL_cipher_name(const char *stdname)
{
const SSL_CIPHER *c;
if (stdname == NULL)
return "(NONE)";
c = ssl3_get_cipher_by_std_name(stdname);
return SSL_CIPHER_get_name(c);
}
int SSL_CIPHER_get_bits(const SSL_CIPHER *c, int *alg_bits)
{
int ret = 0;
if (c != NULL) {
if (alg_bits != NULL)
*alg_bits = (int)c->alg_bits;
ret = (int)c->strength_bits;
}
return ret;
}
uint32_t SSL_CIPHER_get_id(const SSL_CIPHER *c)
{
return c->id;
}
uint16_t SSL_CIPHER_get_protocol_id(const SSL_CIPHER *c)
{
return c->id & 0xFFFF;
}
SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n)
{
SSL_COMP *ctmp;
int i, nn;
if ((n == 0) || (sk == NULL))
return NULL;
nn = sk_SSL_COMP_num(sk);
for (i = 0; i < nn; i++) {
ctmp = sk_SSL_COMP_value(sk, i);
if (ctmp->id == n)
return ctmp;
}
return NULL;
}
#ifdef OPENSSL_NO_COMP
STACK_OF(SSL_COMP) *SSL_COMP_get_compression_methods(void)
{
return NULL;
}
STACK_OF(SSL_COMP) *SSL_COMP_set0_compression_methods(STACK_OF(SSL_COMP)
*meths)
{
return meths;
}
int SSL_COMP_add_compression_method(int id, COMP_METHOD *cm)
{
return 1;
}
#else
STACK_OF(SSL_COMP) *SSL_COMP_get_compression_methods(void)
{
load_builtin_compressions();
return ssl_comp_methods;
}
STACK_OF(SSL_COMP) *SSL_COMP_set0_compression_methods(STACK_OF(SSL_COMP)
*meths)
{
STACK_OF(SSL_COMP) *old_meths = ssl_comp_methods;
ssl_comp_methods = meths;
return old_meths;
}
static void cmeth_free(SSL_COMP *cm)
{
OPENSSL_free(cm);
}
void ssl_comp_free_compression_methods_int(void)
{
STACK_OF(SSL_COMP) *old_meths = ssl_comp_methods;
ssl_comp_methods = NULL;
sk_SSL_COMP_pop_free(old_meths, cmeth_free);
}
int SSL_COMP_add_compression_method(int id, COMP_METHOD *cm)
{
SSL_COMP *comp;
if (cm == NULL || COMP_get_type(cm) == NID_undef)
return 1;
if (id < 193 || id > 255) {
ERR_raise(ERR_LIB_SSL, SSL_R_COMPRESSION_ID_NOT_WITHIN_PRIVATE_RANGE);
return 1;
}
comp = OPENSSL_malloc(sizeof(*comp));
if (comp == NULL)
return 1;
comp->id = id;
comp->method = cm;
load_builtin_compressions();
if (ssl_comp_methods && sk_SSL_COMP_find(ssl_comp_methods, comp) >= 0) {
OPENSSL_free(comp);
ERR_raise(ERR_LIB_SSL, SSL_R_DUPLICATE_COMPRESSION_ID);
return 1;
}
if (ssl_comp_methods == NULL || !sk_SSL_COMP_push(ssl_comp_methods, comp)) {
OPENSSL_free(comp);
ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB);
return 1;
}
return 0;
}
#endif
const char *SSL_COMP_get_name(const COMP_METHOD *comp)
{
#ifndef OPENSSL_NO_COMP
return comp ? COMP_get_name(comp) : NULL;
#else
return NULL;
#endif
}
const char *SSL_COMP_get0_name(const SSL_COMP *comp)
{
#ifndef OPENSSL_NO_COMP
return comp->name;
#else
return NULL;
#endif
}
int SSL_COMP_get_id(const SSL_COMP *comp)
{
#ifndef OPENSSL_NO_COMP
return comp->id;
#else
return -1;
#endif
}
const SSL_CIPHER *ssl_get_cipher_by_char(SSL_CONNECTION *s,
const unsigned char *ptr,
int all)
{
const SSL_CIPHER *c = SSL_CONNECTION_GET_SSL(s)->method->get_cipher_by_char(ptr);
if (c == NULL || (!all && c->valid == 0))
return NULL;
return c;
}
const SSL_CIPHER *SSL_CIPHER_find(SSL *ssl, const unsigned char *ptr)
{
return ssl->method->get_cipher_by_char(ptr);
}
int SSL_CIPHER_get_cipher_nid(const SSL_CIPHER *c)
{
int i;
if (c == NULL)
return NID_undef;
i = ssl_cipher_info_lookup(ssl_cipher_table_cipher, c->algorithm_enc);
if (i == -1)
return NID_undef;
return ssl_cipher_table_cipher[i].nid;
}
int SSL_CIPHER_get_digest_nid(const SSL_CIPHER *c)
{
int i = ssl_cipher_info_lookup(ssl_cipher_table_mac, c->algorithm_mac);
if (i == -1)
return NID_undef;
return ssl_cipher_table_mac[i].nid;
}
int SSL_CIPHER_get_kx_nid(const SSL_CIPHER *c)
{
int i = ssl_cipher_info_lookup(ssl_cipher_table_kx, c->algorithm_mkey);
if (i == -1)
return NID_undef;
return ssl_cipher_table_kx[i].nid;
}
int SSL_CIPHER_get_auth_nid(const SSL_CIPHER *c)
{
int i = ssl_cipher_info_lookup(ssl_cipher_table_auth, c->algorithm_auth);
if (i == -1)
return NID_undef;
return ssl_cipher_table_auth[i].nid;
}
int ssl_get_md_idx(int md_nid) {
int i;
for(i = 0; i < SSL_MD_NUM_IDX; i++) {
if (md_nid == ssl_cipher_table_mac[i].nid)
return i;
}
return -1;
}
const EVP_MD *SSL_CIPHER_get_handshake_digest(const SSL_CIPHER *c)
{
int idx = c->algorithm2 & SSL_HANDSHAKE_MAC_MASK;
if (idx < 0 || idx >= SSL_MD_NUM_IDX)
return NULL;
return EVP_get_digestbynid(ssl_cipher_table_mac[idx].nid);
}
int SSL_CIPHER_is_aead(const SSL_CIPHER *c)
{
return (c->algorithm_mac & SSL_AEAD) ? 1 : 0;
}
int ssl_cipher_get_overhead(const SSL_CIPHER *c, size_t *mac_overhead,
size_t *int_overhead, size_t *blocksize,
size_t *ext_overhead)
{
size_t mac = 0, in = 0, blk = 0, out = 0;
if (c->algorithm_enc & (SSL_AESGCM | SSL_ARIAGCM)) {
out = EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN;
} else if (c->algorithm_enc & (SSL_AES128CCM | SSL_AES256CCM)) {
out = EVP_CCM_TLS_EXPLICIT_IV_LEN + 16;
} else if (c->algorithm_enc & (SSL_AES128CCM8 | SSL_AES256CCM8)) {
out = EVP_CCM_TLS_EXPLICIT_IV_LEN + 8;
} else if (c->algorithm_enc & SSL_CHACHA20POLY1305) {
out = 16;
} else if (c->algorithm_mac & SSL_AEAD) {
return 0;
} else {
int digest_nid = SSL_CIPHER_get_digest_nid(c);
const EVP_MD *e_md = EVP_get_digestbynid(digest_nid);
if (e_md == NULL)
return 0;
mac = EVP_MD_get_size(e_md);
if (c->algorithm_enc != SSL_eNULL) {
int cipher_nid = SSL_CIPHER_get_cipher_nid(c);
const EVP_CIPHER *e_ciph = EVP_get_cipherbynid(cipher_nid);
if (e_ciph == NULL ||
EVP_CIPHER_get_mode(e_ciph) != EVP_CIPH_CBC_MODE)
return 0;
in = 1;
out = EVP_CIPHER_get_iv_length(e_ciph);
blk = EVP_CIPHER_get_block_size(e_ciph);
if (blk == 0)
return 0;
}
}
*mac_overhead = mac;
*int_overhead = in;
*blocksize = blk;
*ext_overhead = out;
return 1;
}
int ssl_cert_is_disabled(SSL_CTX *ctx, size_t idx)
{
const SSL_CERT_LOOKUP *cl;
if (idx >= SSL_PKEY_NUM)
return 0;
cl = ssl_cert_lookup_by_idx(idx, ctx);
if (cl == NULL || (cl->amask & ctx->disabled_auth_mask) != 0)
return 1;
return 0;
}
const char *OSSL_default_cipher_list(void)
{
return "ALL:!COMPLEMENTOFDEFAULT:!eNULL";
}
const char *OSSL_default_ciphersuites(void)
{
return "TLS_AES_256_GCM_SHA384:"
"TLS_CHACHA20_POLY1305_SHA256:"
"TLS_AES_128_GCM_SHA256";
}
| ssl | openssl/ssl/ssl_ciph.c | openssl |
#include <stdio.h>
#include <openssl/objects.h>
#include "ssl_local.h"
#include "quic/quic_local.h"
#ifndef OPENSSL_NO_SRTP
static const SRTP_PROTECTION_PROFILE srtp_known_profiles[] = {
{
"SRTP_AES128_CM_SHA1_80",
SRTP_AES128_CM_SHA1_80,
},
{
"SRTP_AES128_CM_SHA1_32",
SRTP_AES128_CM_SHA1_32,
},
{
"SRTP_AEAD_AES_128_GCM",
SRTP_AEAD_AES_128_GCM,
},
{
"SRTP_AEAD_AES_256_GCM",
SRTP_AEAD_AES_256_GCM,
},
{
"SRTP_DOUBLE_AEAD_AES_128_GCM_AEAD_AES_128_GCM",
SRTP_DOUBLE_AEAD_AES_128_GCM_AEAD_AES_128_GCM,
},
{
"SRTP_DOUBLE_AEAD_AES_256_GCM_AEAD_AES_256_GCM",
SRTP_DOUBLE_AEAD_AES_256_GCM_AEAD_AES_256_GCM,
},
{
"SRTP_ARIA_128_CTR_HMAC_SHA1_80",
SRTP_ARIA_128_CTR_HMAC_SHA1_80,
},
{
"SRTP_ARIA_128_CTR_HMAC_SHA1_32",
SRTP_ARIA_128_CTR_HMAC_SHA1_32,
},
{
"SRTP_ARIA_256_CTR_HMAC_SHA1_80",
SRTP_ARIA_256_CTR_HMAC_SHA1_80,
},
{
"SRTP_ARIA_256_CTR_HMAC_SHA1_32",
SRTP_ARIA_256_CTR_HMAC_SHA1_32,
},
{
"SRTP_AEAD_ARIA_128_GCM",
SRTP_AEAD_ARIA_128_GCM,
},
{
"SRTP_AEAD_ARIA_256_GCM",
SRTP_AEAD_ARIA_256_GCM,
},
{0}
};
static int find_profile_by_name(char *profile_name,
const SRTP_PROTECTION_PROFILE **pptr, size_t len)
{
const SRTP_PROTECTION_PROFILE *p;
p = srtp_known_profiles;
while (p->name) {
if ((len == strlen(p->name))
&& strncmp(p->name, profile_name, len) == 0) {
*pptr = p;
return 0;
}
p++;
}
return 1;
}
static int ssl_ctx_make_profiles(const char *profiles_string,
STACK_OF(SRTP_PROTECTION_PROFILE) **out)
{
STACK_OF(SRTP_PROTECTION_PROFILE) *profiles;
char *col;
char *ptr = (char *)profiles_string;
const SRTP_PROTECTION_PROFILE *p;
if ((profiles = sk_SRTP_PROTECTION_PROFILE_new_null()) == NULL) {
ERR_raise(ERR_LIB_SSL, SSL_R_SRTP_COULD_NOT_ALLOCATE_PROFILES);
return 1;
}
do {
col = strchr(ptr, ':');
if (!find_profile_by_name(ptr, &p, col ? (size_t)(col - ptr)
: strlen(ptr))) {
if (sk_SRTP_PROTECTION_PROFILE_find(profiles,
(SRTP_PROTECTION_PROFILE *)p) >= 0) {
ERR_raise(ERR_LIB_SSL, SSL_R_BAD_SRTP_PROTECTION_PROFILE_LIST);
goto err;
}
if (!sk_SRTP_PROTECTION_PROFILE_push(profiles,
(SRTP_PROTECTION_PROFILE *)p)) {
ERR_raise(ERR_LIB_SSL, SSL_R_SRTP_COULD_NOT_ALLOCATE_PROFILES);
goto err;
}
} else {
ERR_raise(ERR_LIB_SSL, SSL_R_SRTP_UNKNOWN_PROTECTION_PROFILE);
goto err;
}
if (col)
ptr = col + 1;
} while (col);
sk_SRTP_PROTECTION_PROFILE_free(*out);
*out = profiles;
return 0;
err:
sk_SRTP_PROTECTION_PROFILE_free(profiles);
return 1;
}
int SSL_CTX_set_tlsext_use_srtp(SSL_CTX *ctx, const char *profiles)
{
if (IS_QUIC_METHOD(ctx->method))
return 1;
return ssl_ctx_make_profiles(profiles, &ctx->srtp_profiles);
}
int SSL_set_tlsext_use_srtp(SSL *s, const char *profiles)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s);
if (sc == NULL)
return 1;
return ssl_ctx_make_profiles(profiles, &sc->srtp_profiles);
}
STACK_OF(SRTP_PROTECTION_PROFILE) *SSL_get_srtp_profiles(SSL *s)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s);
if (sc != NULL) {
if (sc->srtp_profiles != NULL) {
return sc->srtp_profiles;
} else if ((s->ctx != NULL) && (s->ctx->srtp_profiles != NULL)) {
return s->ctx->srtp_profiles;
}
}
return NULL;
}
SRTP_PROTECTION_PROFILE *SSL_get_selected_srtp_profile(SSL *s)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s);
if (sc == NULL)
return 0;
return sc->srtp_profile;
}
#endif
| ssl | openssl/ssl/d1_srtp.c | openssl |
#include <stdio.h>
#include <openssl/objects.h>
#include "internal/nelem.h"
#include "ssl_local.h"
#include <openssl/md5.h>
#include <openssl/dh.h>
#include <openssl/rand.h>
#include <openssl/trace.h>
#include <openssl/x509v3.h>
#include <openssl/core_names.h>
#include "internal/cryptlib.h"
#define TLS13_NUM_CIPHERS OSSL_NELEM(tls13_ciphers)
#define SSL3_NUM_CIPHERS OSSL_NELEM(ssl3_ciphers)
#define SSL3_NUM_SCSVS OSSL_NELEM(ssl3_scsvs)
const unsigned char tls11downgrade[] = {
0x44, 0x4f, 0x57, 0x4e, 0x47, 0x52, 0x44, 0x00
};
const unsigned char tls12downgrade[] = {
0x44, 0x4f, 0x57, 0x4e, 0x47, 0x52, 0x44, 0x01
};
static SSL_CIPHER tls13_ciphers[] = {
{
1,
TLS1_3_RFC_AES_128_GCM_SHA256,
TLS1_3_RFC_AES_128_GCM_SHA256,
TLS1_3_CK_AES_128_GCM_SHA256,
SSL_kANY,
SSL_aANY,
SSL_AES128GCM,
SSL_AEAD,
TLS1_3_VERSION, TLS1_3_VERSION,
0, 0,
SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA256 | SSL_QUIC,
128,
128,
}, {
1,
TLS1_3_RFC_AES_256_GCM_SHA384,
TLS1_3_RFC_AES_256_GCM_SHA384,
TLS1_3_CK_AES_256_GCM_SHA384,
SSL_kANY,
SSL_aANY,
SSL_AES256GCM,
SSL_AEAD,
TLS1_3_VERSION, TLS1_3_VERSION,
0, 0,
SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA384 | SSL_QUIC,
256,
256,
},
{
1,
TLS1_3_RFC_CHACHA20_POLY1305_SHA256,
TLS1_3_RFC_CHACHA20_POLY1305_SHA256,
TLS1_3_CK_CHACHA20_POLY1305_SHA256,
SSL_kANY,
SSL_aANY,
SSL_CHACHA20POLY1305,
SSL_AEAD,
TLS1_3_VERSION, TLS1_3_VERSION,
0, 0,
SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA256 | SSL_QUIC,
256,
256,
},
{
1,
TLS1_3_RFC_AES_128_CCM_SHA256,
TLS1_3_RFC_AES_128_CCM_SHA256,
TLS1_3_CK_AES_128_CCM_SHA256,
SSL_kANY,
SSL_aANY,
SSL_AES128CCM,
SSL_AEAD,
TLS1_3_VERSION, TLS1_3_VERSION,
0, 0,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA256,
128,
128,
}, {
1,
TLS1_3_RFC_AES_128_CCM_8_SHA256,
TLS1_3_RFC_AES_128_CCM_8_SHA256,
TLS1_3_CK_AES_128_CCM_8_SHA256,
SSL_kANY,
SSL_aANY,
SSL_AES128CCM8,
SSL_AEAD,
TLS1_3_VERSION, TLS1_3_VERSION,
0, 0,
SSL_NOT_DEFAULT | SSL_MEDIUM,
SSL_HANDSHAKE_MAC_SHA256,
64,
128,
}
};
static SSL_CIPHER ssl3_ciphers[] = {
{
1,
SSL3_TXT_RSA_NULL_MD5,
SSL3_RFC_RSA_NULL_MD5,
SSL3_CK_RSA_NULL_MD5,
SSL_kRSA,
SSL_aRSA,
SSL_eNULL,
SSL_MD5,
SSL3_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_STRONG_NONE,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
0,
0,
},
{
1,
SSL3_TXT_RSA_NULL_SHA,
SSL3_RFC_RSA_NULL_SHA,
SSL3_CK_RSA_NULL_SHA,
SSL_kRSA,
SSL_aRSA,
SSL_eNULL,
SSL_SHA1,
SSL3_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_STRONG_NONE | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
0,
0,
},
#ifndef OPENSSL_NO_WEAK_SSL_CIPHERS
{
1,
SSL3_TXT_RSA_DES_192_CBC3_SHA,
SSL3_RFC_RSA_DES_192_CBC3_SHA,
SSL3_CK_RSA_DES_192_CBC3_SHA,
SSL_kRSA,
SSL_aRSA,
SSL_3DES,
SSL_SHA1,
SSL3_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_MEDIUM | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
112,
168,
},
{
1,
SSL3_TXT_DHE_DSS_DES_192_CBC3_SHA,
SSL3_RFC_DHE_DSS_DES_192_CBC3_SHA,
SSL3_CK_DHE_DSS_DES_192_CBC3_SHA,
SSL_kDHE,
SSL_aDSS,
SSL_3DES,
SSL_SHA1,
SSL3_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_MEDIUM | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
112,
168,
},
{
1,
SSL3_TXT_DHE_RSA_DES_192_CBC3_SHA,
SSL3_RFC_DHE_RSA_DES_192_CBC3_SHA,
SSL3_CK_DHE_RSA_DES_192_CBC3_SHA,
SSL_kDHE,
SSL_aRSA,
SSL_3DES,
SSL_SHA1,
SSL3_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_MEDIUM | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
112,
168,
},
{
1,
SSL3_TXT_ADH_DES_192_CBC_SHA,
SSL3_RFC_ADH_DES_192_CBC_SHA,
SSL3_CK_ADH_DES_192_CBC_SHA,
SSL_kDHE,
SSL_aNULL,
SSL_3DES,
SSL_SHA1,
SSL3_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_MEDIUM | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
112,
168,
},
#endif
{
1,
TLS1_TXT_RSA_WITH_AES_128_SHA,
TLS1_RFC_RSA_WITH_AES_128_SHA,
TLS1_CK_RSA_WITH_AES_128_SHA,
SSL_kRSA,
SSL_aRSA,
SSL_AES128,
SSL_SHA1,
SSL3_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
128,
128,
},
{
1,
TLS1_TXT_DHE_DSS_WITH_AES_128_SHA,
TLS1_RFC_DHE_DSS_WITH_AES_128_SHA,
TLS1_CK_DHE_DSS_WITH_AES_128_SHA,
SSL_kDHE,
SSL_aDSS,
SSL_AES128,
SSL_SHA1,
SSL3_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
128,
128,
},
{
1,
TLS1_TXT_DHE_RSA_WITH_AES_128_SHA,
TLS1_RFC_DHE_RSA_WITH_AES_128_SHA,
TLS1_CK_DHE_RSA_WITH_AES_128_SHA,
SSL_kDHE,
SSL_aRSA,
SSL_AES128,
SSL_SHA1,
SSL3_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
128,
128,
},
{
1,
TLS1_TXT_ADH_WITH_AES_128_SHA,
TLS1_RFC_ADH_WITH_AES_128_SHA,
TLS1_CK_ADH_WITH_AES_128_SHA,
SSL_kDHE,
SSL_aNULL,
SSL_AES128,
SSL_SHA1,
SSL3_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
128,
128,
},
{
1,
TLS1_TXT_RSA_WITH_AES_256_SHA,
TLS1_RFC_RSA_WITH_AES_256_SHA,
TLS1_CK_RSA_WITH_AES_256_SHA,
SSL_kRSA,
SSL_aRSA,
SSL_AES256,
SSL_SHA1,
SSL3_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
256,
256,
},
{
1,
TLS1_TXT_DHE_DSS_WITH_AES_256_SHA,
TLS1_RFC_DHE_DSS_WITH_AES_256_SHA,
TLS1_CK_DHE_DSS_WITH_AES_256_SHA,
SSL_kDHE,
SSL_aDSS,
SSL_AES256,
SSL_SHA1,
SSL3_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
256,
256,
},
{
1,
TLS1_TXT_DHE_RSA_WITH_AES_256_SHA,
TLS1_RFC_DHE_RSA_WITH_AES_256_SHA,
TLS1_CK_DHE_RSA_WITH_AES_256_SHA,
SSL_kDHE,
SSL_aRSA,
SSL_AES256,
SSL_SHA1,
SSL3_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
256,
256,
},
{
1,
TLS1_TXT_ADH_WITH_AES_256_SHA,
TLS1_RFC_ADH_WITH_AES_256_SHA,
TLS1_CK_ADH_WITH_AES_256_SHA,
SSL_kDHE,
SSL_aNULL,
SSL_AES256,
SSL_SHA1,
SSL3_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
256,
256,
},
{
1,
TLS1_TXT_RSA_WITH_NULL_SHA256,
TLS1_RFC_RSA_WITH_NULL_SHA256,
TLS1_CK_RSA_WITH_NULL_SHA256,
SSL_kRSA,
SSL_aRSA,
SSL_eNULL,
SSL_SHA256,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_STRONG_NONE | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
0,
0,
},
{
1,
TLS1_TXT_RSA_WITH_AES_128_SHA256,
TLS1_RFC_RSA_WITH_AES_128_SHA256,
TLS1_CK_RSA_WITH_AES_128_SHA256,
SSL_kRSA,
SSL_aRSA,
SSL_AES128,
SSL_SHA256,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
128,
128,
},
{
1,
TLS1_TXT_RSA_WITH_AES_256_SHA256,
TLS1_RFC_RSA_WITH_AES_256_SHA256,
TLS1_CK_RSA_WITH_AES_256_SHA256,
SSL_kRSA,
SSL_aRSA,
SSL_AES256,
SSL_SHA256,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
256,
256,
},
{
1,
TLS1_TXT_DHE_DSS_WITH_AES_128_SHA256,
TLS1_RFC_DHE_DSS_WITH_AES_128_SHA256,
TLS1_CK_DHE_DSS_WITH_AES_128_SHA256,
SSL_kDHE,
SSL_aDSS,
SSL_AES128,
SSL_SHA256,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
128,
128,
},
{
1,
TLS1_TXT_DHE_RSA_WITH_AES_128_SHA256,
TLS1_RFC_DHE_RSA_WITH_AES_128_SHA256,
TLS1_CK_DHE_RSA_WITH_AES_128_SHA256,
SSL_kDHE,
SSL_aRSA,
SSL_AES128,
SSL_SHA256,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
128,
128,
},
{
1,
TLS1_TXT_DHE_DSS_WITH_AES_256_SHA256,
TLS1_RFC_DHE_DSS_WITH_AES_256_SHA256,
TLS1_CK_DHE_DSS_WITH_AES_256_SHA256,
SSL_kDHE,
SSL_aDSS,
SSL_AES256,
SSL_SHA256,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
256,
256,
},
{
1,
TLS1_TXT_DHE_RSA_WITH_AES_256_SHA256,
TLS1_RFC_DHE_RSA_WITH_AES_256_SHA256,
TLS1_CK_DHE_RSA_WITH_AES_256_SHA256,
SSL_kDHE,
SSL_aRSA,
SSL_AES256,
SSL_SHA256,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
256,
256,
},
{
1,
TLS1_TXT_ADH_WITH_AES_128_SHA256,
TLS1_RFC_ADH_WITH_AES_128_SHA256,
TLS1_CK_ADH_WITH_AES_128_SHA256,
SSL_kDHE,
SSL_aNULL,
SSL_AES128,
SSL_SHA256,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
128,
128,
},
{
1,
TLS1_TXT_ADH_WITH_AES_256_SHA256,
TLS1_RFC_ADH_WITH_AES_256_SHA256,
TLS1_CK_ADH_WITH_AES_256_SHA256,
SSL_kDHE,
SSL_aNULL,
SSL_AES256,
SSL_SHA256,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
256,
256,
},
{
1,
TLS1_TXT_RSA_WITH_AES_128_GCM_SHA256,
TLS1_RFC_RSA_WITH_AES_128_GCM_SHA256,
TLS1_CK_RSA_WITH_AES_128_GCM_SHA256,
SSL_kRSA,
SSL_aRSA,
SSL_AES128GCM,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
128,
128,
},
{
1,
TLS1_TXT_RSA_WITH_AES_256_GCM_SHA384,
TLS1_RFC_RSA_WITH_AES_256_GCM_SHA384,
TLS1_CK_RSA_WITH_AES_256_GCM_SHA384,
SSL_kRSA,
SSL_aRSA,
SSL_AES256GCM,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_SHA384 | TLS1_PRF_SHA384,
256,
256,
},
{
1,
TLS1_TXT_DHE_RSA_WITH_AES_128_GCM_SHA256,
TLS1_RFC_DHE_RSA_WITH_AES_128_GCM_SHA256,
TLS1_CK_DHE_RSA_WITH_AES_128_GCM_SHA256,
SSL_kDHE,
SSL_aRSA,
SSL_AES128GCM,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
128,
128,
},
{
1,
TLS1_TXT_DHE_RSA_WITH_AES_256_GCM_SHA384,
TLS1_RFC_DHE_RSA_WITH_AES_256_GCM_SHA384,
TLS1_CK_DHE_RSA_WITH_AES_256_GCM_SHA384,
SSL_kDHE,
SSL_aRSA,
SSL_AES256GCM,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_SHA384 | TLS1_PRF_SHA384,
256,
256,
},
{
1,
TLS1_TXT_DHE_DSS_WITH_AES_128_GCM_SHA256,
TLS1_RFC_DHE_DSS_WITH_AES_128_GCM_SHA256,
TLS1_CK_DHE_DSS_WITH_AES_128_GCM_SHA256,
SSL_kDHE,
SSL_aDSS,
SSL_AES128GCM,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
128,
128,
},
{
1,
TLS1_TXT_DHE_DSS_WITH_AES_256_GCM_SHA384,
TLS1_RFC_DHE_DSS_WITH_AES_256_GCM_SHA384,
TLS1_CK_DHE_DSS_WITH_AES_256_GCM_SHA384,
SSL_kDHE,
SSL_aDSS,
SSL_AES256GCM,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_SHA384 | TLS1_PRF_SHA384,
256,
256,
},
{
1,
TLS1_TXT_ADH_WITH_AES_128_GCM_SHA256,
TLS1_RFC_ADH_WITH_AES_128_GCM_SHA256,
TLS1_CK_ADH_WITH_AES_128_GCM_SHA256,
SSL_kDHE,
SSL_aNULL,
SSL_AES128GCM,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
128,
128,
},
{
1,
TLS1_TXT_ADH_WITH_AES_256_GCM_SHA384,
TLS1_RFC_ADH_WITH_AES_256_GCM_SHA384,
TLS1_CK_ADH_WITH_AES_256_GCM_SHA384,
SSL_kDHE,
SSL_aNULL,
SSL_AES256GCM,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_SHA384 | TLS1_PRF_SHA384,
256,
256,
},
{
1,
TLS1_TXT_RSA_WITH_AES_128_CCM,
TLS1_RFC_RSA_WITH_AES_128_CCM,
TLS1_CK_RSA_WITH_AES_128_CCM,
SSL_kRSA,
SSL_aRSA,
SSL_AES128CCM,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
128,
128,
},
{
1,
TLS1_TXT_RSA_WITH_AES_256_CCM,
TLS1_RFC_RSA_WITH_AES_256_CCM,
TLS1_CK_RSA_WITH_AES_256_CCM,
SSL_kRSA,
SSL_aRSA,
SSL_AES256CCM,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
256,
256,
},
{
1,
TLS1_TXT_DHE_RSA_WITH_AES_128_CCM,
TLS1_RFC_DHE_RSA_WITH_AES_128_CCM,
TLS1_CK_DHE_RSA_WITH_AES_128_CCM,
SSL_kDHE,
SSL_aRSA,
SSL_AES128CCM,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
128,
128,
},
{
1,
TLS1_TXT_DHE_RSA_WITH_AES_256_CCM,
TLS1_RFC_DHE_RSA_WITH_AES_256_CCM,
TLS1_CK_DHE_RSA_WITH_AES_256_CCM,
SSL_kDHE,
SSL_aRSA,
SSL_AES256CCM,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
256,
256,
},
{
1,
TLS1_TXT_RSA_WITH_AES_128_CCM_8,
TLS1_RFC_RSA_WITH_AES_128_CCM_8,
TLS1_CK_RSA_WITH_AES_128_CCM_8,
SSL_kRSA,
SSL_aRSA,
SSL_AES128CCM8,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_MEDIUM,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
64,
128,
},
{
1,
TLS1_TXT_RSA_WITH_AES_256_CCM_8,
TLS1_RFC_RSA_WITH_AES_256_CCM_8,
TLS1_CK_RSA_WITH_AES_256_CCM_8,
SSL_kRSA,
SSL_aRSA,
SSL_AES256CCM8,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_MEDIUM,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
64,
256,
},
{
1,
TLS1_TXT_DHE_RSA_WITH_AES_128_CCM_8,
TLS1_RFC_DHE_RSA_WITH_AES_128_CCM_8,
TLS1_CK_DHE_RSA_WITH_AES_128_CCM_8,
SSL_kDHE,
SSL_aRSA,
SSL_AES128CCM8,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_MEDIUM,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
64,
128,
},
{
1,
TLS1_TXT_DHE_RSA_WITH_AES_256_CCM_8,
TLS1_RFC_DHE_RSA_WITH_AES_256_CCM_8,
TLS1_CK_DHE_RSA_WITH_AES_256_CCM_8,
SSL_kDHE,
SSL_aRSA,
SSL_AES256CCM8,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_MEDIUM,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
64,
256,
},
{
1,
TLS1_TXT_PSK_WITH_AES_128_CCM,
TLS1_RFC_PSK_WITH_AES_128_CCM,
TLS1_CK_PSK_WITH_AES_128_CCM,
SSL_kPSK,
SSL_aPSK,
SSL_AES128CCM,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
128,
128,
},
{
1,
TLS1_TXT_PSK_WITH_AES_256_CCM,
TLS1_RFC_PSK_WITH_AES_256_CCM,
TLS1_CK_PSK_WITH_AES_256_CCM,
SSL_kPSK,
SSL_aPSK,
SSL_AES256CCM,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
256,
256,
},
{
1,
TLS1_TXT_DHE_PSK_WITH_AES_128_CCM,
TLS1_RFC_DHE_PSK_WITH_AES_128_CCM,
TLS1_CK_DHE_PSK_WITH_AES_128_CCM,
SSL_kDHEPSK,
SSL_aPSK,
SSL_AES128CCM,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
128,
128,
},
{
1,
TLS1_TXT_DHE_PSK_WITH_AES_256_CCM,
TLS1_RFC_DHE_PSK_WITH_AES_256_CCM,
TLS1_CK_DHE_PSK_WITH_AES_256_CCM,
SSL_kDHEPSK,
SSL_aPSK,
SSL_AES256CCM,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
256,
256,
},
{
1,
TLS1_TXT_PSK_WITH_AES_128_CCM_8,
TLS1_RFC_PSK_WITH_AES_128_CCM_8,
TLS1_CK_PSK_WITH_AES_128_CCM_8,
SSL_kPSK,
SSL_aPSK,
SSL_AES128CCM8,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_MEDIUM,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
64,
128,
},
{
1,
TLS1_TXT_PSK_WITH_AES_256_CCM_8,
TLS1_RFC_PSK_WITH_AES_256_CCM_8,
TLS1_CK_PSK_WITH_AES_256_CCM_8,
SSL_kPSK,
SSL_aPSK,
SSL_AES256CCM8,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_MEDIUM,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
64,
256,
},
{
1,
TLS1_TXT_DHE_PSK_WITH_AES_128_CCM_8,
TLS1_RFC_DHE_PSK_WITH_AES_128_CCM_8,
TLS1_CK_DHE_PSK_WITH_AES_128_CCM_8,
SSL_kDHEPSK,
SSL_aPSK,
SSL_AES128CCM8,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_MEDIUM,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
64,
128,
},
{
1,
TLS1_TXT_DHE_PSK_WITH_AES_256_CCM_8,
TLS1_RFC_DHE_PSK_WITH_AES_256_CCM_8,
TLS1_CK_DHE_PSK_WITH_AES_256_CCM_8,
SSL_kDHEPSK,
SSL_aPSK,
SSL_AES256CCM8,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_MEDIUM,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
64,
256,
},
{
1,
TLS1_TXT_ECDHE_ECDSA_WITH_AES_128_CCM,
TLS1_RFC_ECDHE_ECDSA_WITH_AES_128_CCM,
TLS1_CK_ECDHE_ECDSA_WITH_AES_128_CCM,
SSL_kECDHE,
SSL_aECDSA,
SSL_AES128CCM,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
128,
128,
},
{
1,
TLS1_TXT_ECDHE_ECDSA_WITH_AES_256_CCM,
TLS1_RFC_ECDHE_ECDSA_WITH_AES_256_CCM,
TLS1_CK_ECDHE_ECDSA_WITH_AES_256_CCM,
SSL_kECDHE,
SSL_aECDSA,
SSL_AES256CCM,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
256,
256,
},
{
1,
TLS1_TXT_ECDHE_ECDSA_WITH_AES_128_CCM_8,
TLS1_RFC_ECDHE_ECDSA_WITH_AES_128_CCM_8,
TLS1_CK_ECDHE_ECDSA_WITH_AES_128_CCM_8,
SSL_kECDHE,
SSL_aECDSA,
SSL_AES128CCM8,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_MEDIUM,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
64,
128,
},
{
1,
TLS1_TXT_ECDHE_ECDSA_WITH_AES_256_CCM_8,
TLS1_RFC_ECDHE_ECDSA_WITH_AES_256_CCM_8,
TLS1_CK_ECDHE_ECDSA_WITH_AES_256_CCM_8,
SSL_kECDHE,
SSL_aECDSA,
SSL_AES256CCM8,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_MEDIUM,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
64,
256,
},
{
1,
TLS1_TXT_ECDHE_ECDSA_WITH_NULL_SHA,
TLS1_RFC_ECDHE_ECDSA_WITH_NULL_SHA,
TLS1_CK_ECDHE_ECDSA_WITH_NULL_SHA,
SSL_kECDHE,
SSL_aECDSA,
SSL_eNULL,
SSL_SHA1,
TLS1_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_STRONG_NONE | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
0,
0,
},
# ifndef OPENSSL_NO_WEAK_SSL_CIPHERS
{
1,
TLS1_TXT_ECDHE_ECDSA_WITH_DES_192_CBC3_SHA,
TLS1_RFC_ECDHE_ECDSA_WITH_DES_192_CBC3_SHA,
TLS1_CK_ECDHE_ECDSA_WITH_DES_192_CBC3_SHA,
SSL_kECDHE,
SSL_aECDSA,
SSL_3DES,
SSL_SHA1,
TLS1_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_MEDIUM | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
112,
168,
},
# endif
{
1,
TLS1_TXT_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
TLS1_RFC_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
TLS1_CK_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
SSL_kECDHE,
SSL_aECDSA,
SSL_AES128,
SSL_SHA1,
TLS1_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
128,
128,
},
{
1,
TLS1_TXT_ECDHE_ECDSA_WITH_AES_256_CBC_SHA,
TLS1_RFC_ECDHE_ECDSA_WITH_AES_256_CBC_SHA,
TLS1_CK_ECDHE_ECDSA_WITH_AES_256_CBC_SHA,
SSL_kECDHE,
SSL_aECDSA,
SSL_AES256,
SSL_SHA1,
TLS1_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
256,
256,
},
{
1,
TLS1_TXT_ECDHE_RSA_WITH_NULL_SHA,
TLS1_RFC_ECDHE_RSA_WITH_NULL_SHA,
TLS1_CK_ECDHE_RSA_WITH_NULL_SHA,
SSL_kECDHE,
SSL_aRSA,
SSL_eNULL,
SSL_SHA1,
TLS1_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_STRONG_NONE | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
0,
0,
},
# ifndef OPENSSL_NO_WEAK_SSL_CIPHERS
{
1,
TLS1_TXT_ECDHE_RSA_WITH_DES_192_CBC3_SHA,
TLS1_RFC_ECDHE_RSA_WITH_DES_192_CBC3_SHA,
TLS1_CK_ECDHE_RSA_WITH_DES_192_CBC3_SHA,
SSL_kECDHE,
SSL_aRSA,
SSL_3DES,
SSL_SHA1,
TLS1_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_MEDIUM | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
112,
168,
},
# endif
{
1,
TLS1_TXT_ECDHE_RSA_WITH_AES_128_CBC_SHA,
TLS1_RFC_ECDHE_RSA_WITH_AES_128_CBC_SHA,
TLS1_CK_ECDHE_RSA_WITH_AES_128_CBC_SHA,
SSL_kECDHE,
SSL_aRSA,
SSL_AES128,
SSL_SHA1,
TLS1_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
128,
128,
},
{
1,
TLS1_TXT_ECDHE_RSA_WITH_AES_256_CBC_SHA,
TLS1_RFC_ECDHE_RSA_WITH_AES_256_CBC_SHA,
TLS1_CK_ECDHE_RSA_WITH_AES_256_CBC_SHA,
SSL_kECDHE,
SSL_aRSA,
SSL_AES256,
SSL_SHA1,
TLS1_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
256,
256,
},
{
1,
TLS1_TXT_ECDH_anon_WITH_NULL_SHA,
TLS1_RFC_ECDH_anon_WITH_NULL_SHA,
TLS1_CK_ECDH_anon_WITH_NULL_SHA,
SSL_kECDHE,
SSL_aNULL,
SSL_eNULL,
SSL_SHA1,
TLS1_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_STRONG_NONE | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
0,
0,
},
# ifndef OPENSSL_NO_WEAK_SSL_CIPHERS
{
1,
TLS1_TXT_ECDH_anon_WITH_DES_192_CBC3_SHA,
TLS1_RFC_ECDH_anon_WITH_DES_192_CBC3_SHA,
TLS1_CK_ECDH_anon_WITH_DES_192_CBC3_SHA,
SSL_kECDHE,
SSL_aNULL,
SSL_3DES,
SSL_SHA1,
TLS1_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_MEDIUM | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
112,
168,
},
# endif
{
1,
TLS1_TXT_ECDH_anon_WITH_AES_128_CBC_SHA,
TLS1_RFC_ECDH_anon_WITH_AES_128_CBC_SHA,
TLS1_CK_ECDH_anon_WITH_AES_128_CBC_SHA,
SSL_kECDHE,
SSL_aNULL,
SSL_AES128,
SSL_SHA1,
TLS1_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
128,
128,
},
{
1,
TLS1_TXT_ECDH_anon_WITH_AES_256_CBC_SHA,
TLS1_RFC_ECDH_anon_WITH_AES_256_CBC_SHA,
TLS1_CK_ECDH_anon_WITH_AES_256_CBC_SHA,
SSL_kECDHE,
SSL_aNULL,
SSL_AES256,
SSL_SHA1,
TLS1_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
256,
256,
},
{
1,
TLS1_TXT_ECDHE_ECDSA_WITH_AES_128_SHA256,
TLS1_RFC_ECDHE_ECDSA_WITH_AES_128_SHA256,
TLS1_CK_ECDHE_ECDSA_WITH_AES_128_SHA256,
SSL_kECDHE,
SSL_aECDSA,
SSL_AES128,
SSL_SHA256,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
128,
128,
},
{
1,
TLS1_TXT_ECDHE_ECDSA_WITH_AES_256_SHA384,
TLS1_RFC_ECDHE_ECDSA_WITH_AES_256_SHA384,
TLS1_CK_ECDHE_ECDSA_WITH_AES_256_SHA384,
SSL_kECDHE,
SSL_aECDSA,
SSL_AES256,
SSL_SHA384,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_SHA384 | TLS1_PRF_SHA384,
256,
256,
},
{
1,
TLS1_TXT_ECDHE_RSA_WITH_AES_128_SHA256,
TLS1_RFC_ECDHE_RSA_WITH_AES_128_SHA256,
TLS1_CK_ECDHE_RSA_WITH_AES_128_SHA256,
SSL_kECDHE,
SSL_aRSA,
SSL_AES128,
SSL_SHA256,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
128,
128,
},
{
1,
TLS1_TXT_ECDHE_RSA_WITH_AES_256_SHA384,
TLS1_RFC_ECDHE_RSA_WITH_AES_256_SHA384,
TLS1_CK_ECDHE_RSA_WITH_AES_256_SHA384,
SSL_kECDHE,
SSL_aRSA,
SSL_AES256,
SSL_SHA384,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_SHA384 | TLS1_PRF_SHA384,
256,
256,
},
{
1,
TLS1_TXT_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
TLS1_RFC_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
TLS1_CK_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
SSL_kECDHE,
SSL_aECDSA,
SSL_AES128GCM,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
128,
128,
},
{
1,
TLS1_TXT_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,
TLS1_RFC_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,
TLS1_CK_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,
SSL_kECDHE,
SSL_aECDSA,
SSL_AES256GCM,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_SHA384 | TLS1_PRF_SHA384,
256,
256,
},
{
1,
TLS1_TXT_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
TLS1_RFC_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
TLS1_CK_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
SSL_kECDHE,
SSL_aRSA,
SSL_AES128GCM,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
128,
128,
},
{
1,
TLS1_TXT_ECDHE_RSA_WITH_AES_256_GCM_SHA384,
TLS1_RFC_ECDHE_RSA_WITH_AES_256_GCM_SHA384,
TLS1_CK_ECDHE_RSA_WITH_AES_256_GCM_SHA384,
SSL_kECDHE,
SSL_aRSA,
SSL_AES256GCM,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_SHA384 | TLS1_PRF_SHA384,
256,
256,
},
{
1,
TLS1_TXT_PSK_WITH_NULL_SHA,
TLS1_RFC_PSK_WITH_NULL_SHA,
TLS1_CK_PSK_WITH_NULL_SHA,
SSL_kPSK,
SSL_aPSK,
SSL_eNULL,
SSL_SHA1,
SSL3_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_STRONG_NONE | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
0,
0,
},
{
1,
TLS1_TXT_DHE_PSK_WITH_NULL_SHA,
TLS1_RFC_DHE_PSK_WITH_NULL_SHA,
TLS1_CK_DHE_PSK_WITH_NULL_SHA,
SSL_kDHEPSK,
SSL_aPSK,
SSL_eNULL,
SSL_SHA1,
SSL3_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_STRONG_NONE | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
0,
0,
},
{
1,
TLS1_TXT_RSA_PSK_WITH_NULL_SHA,
TLS1_RFC_RSA_PSK_WITH_NULL_SHA,
TLS1_CK_RSA_PSK_WITH_NULL_SHA,
SSL_kRSAPSK,
SSL_aRSA,
SSL_eNULL,
SSL_SHA1,
SSL3_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_STRONG_NONE | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
0,
0,
},
# ifndef OPENSSL_NO_WEAK_SSL_CIPHERS
{
1,
TLS1_TXT_PSK_WITH_3DES_EDE_CBC_SHA,
TLS1_RFC_PSK_WITH_3DES_EDE_CBC_SHA,
TLS1_CK_PSK_WITH_3DES_EDE_CBC_SHA,
SSL_kPSK,
SSL_aPSK,
SSL_3DES,
SSL_SHA1,
SSL3_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_MEDIUM | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
112,
168,
},
# endif
{
1,
TLS1_TXT_PSK_WITH_AES_128_CBC_SHA,
TLS1_RFC_PSK_WITH_AES_128_CBC_SHA,
TLS1_CK_PSK_WITH_AES_128_CBC_SHA,
SSL_kPSK,
SSL_aPSK,
SSL_AES128,
SSL_SHA1,
SSL3_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
128,
128,
},
{
1,
TLS1_TXT_PSK_WITH_AES_256_CBC_SHA,
TLS1_RFC_PSK_WITH_AES_256_CBC_SHA,
TLS1_CK_PSK_WITH_AES_256_CBC_SHA,
SSL_kPSK,
SSL_aPSK,
SSL_AES256,
SSL_SHA1,
SSL3_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
256,
256,
},
# ifndef OPENSSL_NO_WEAK_SSL_CIPHERS
{
1,
TLS1_TXT_DHE_PSK_WITH_3DES_EDE_CBC_SHA,
TLS1_RFC_DHE_PSK_WITH_3DES_EDE_CBC_SHA,
TLS1_CK_DHE_PSK_WITH_3DES_EDE_CBC_SHA,
SSL_kDHEPSK,
SSL_aPSK,
SSL_3DES,
SSL_SHA1,
SSL3_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_MEDIUM | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
112,
168,
},
# endif
{
1,
TLS1_TXT_DHE_PSK_WITH_AES_128_CBC_SHA,
TLS1_RFC_DHE_PSK_WITH_AES_128_CBC_SHA,
TLS1_CK_DHE_PSK_WITH_AES_128_CBC_SHA,
SSL_kDHEPSK,
SSL_aPSK,
SSL_AES128,
SSL_SHA1,
SSL3_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
128,
128,
},
{
1,
TLS1_TXT_DHE_PSK_WITH_AES_256_CBC_SHA,
TLS1_RFC_DHE_PSK_WITH_AES_256_CBC_SHA,
TLS1_CK_DHE_PSK_WITH_AES_256_CBC_SHA,
SSL_kDHEPSK,
SSL_aPSK,
SSL_AES256,
SSL_SHA1,
SSL3_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
256,
256,
},
# ifndef OPENSSL_NO_WEAK_SSL_CIPHERS
{
1,
TLS1_TXT_RSA_PSK_WITH_3DES_EDE_CBC_SHA,
TLS1_RFC_RSA_PSK_WITH_3DES_EDE_CBC_SHA,
TLS1_CK_RSA_PSK_WITH_3DES_EDE_CBC_SHA,
SSL_kRSAPSK,
SSL_aRSA,
SSL_3DES,
SSL_SHA1,
SSL3_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_MEDIUM | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
112,
168,
},
# endif
{
1,
TLS1_TXT_RSA_PSK_WITH_AES_128_CBC_SHA,
TLS1_RFC_RSA_PSK_WITH_AES_128_CBC_SHA,
TLS1_CK_RSA_PSK_WITH_AES_128_CBC_SHA,
SSL_kRSAPSK,
SSL_aRSA,
SSL_AES128,
SSL_SHA1,
SSL3_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
128,
128,
},
{
1,
TLS1_TXT_RSA_PSK_WITH_AES_256_CBC_SHA,
TLS1_RFC_RSA_PSK_WITH_AES_256_CBC_SHA,
TLS1_CK_RSA_PSK_WITH_AES_256_CBC_SHA,
SSL_kRSAPSK,
SSL_aRSA,
SSL_AES256,
SSL_SHA1,
SSL3_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
256,
256,
},
{
1,
TLS1_TXT_PSK_WITH_AES_128_GCM_SHA256,
TLS1_RFC_PSK_WITH_AES_128_GCM_SHA256,
TLS1_CK_PSK_WITH_AES_128_GCM_SHA256,
SSL_kPSK,
SSL_aPSK,
SSL_AES128GCM,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
128,
128,
},
{
1,
TLS1_TXT_PSK_WITH_AES_256_GCM_SHA384,
TLS1_RFC_PSK_WITH_AES_256_GCM_SHA384,
TLS1_CK_PSK_WITH_AES_256_GCM_SHA384,
SSL_kPSK,
SSL_aPSK,
SSL_AES256GCM,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_SHA384 | TLS1_PRF_SHA384,
256,
256,
},
{
1,
TLS1_TXT_DHE_PSK_WITH_AES_128_GCM_SHA256,
TLS1_RFC_DHE_PSK_WITH_AES_128_GCM_SHA256,
TLS1_CK_DHE_PSK_WITH_AES_128_GCM_SHA256,
SSL_kDHEPSK,
SSL_aPSK,
SSL_AES128GCM,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
128,
128,
},
{
1,
TLS1_TXT_DHE_PSK_WITH_AES_256_GCM_SHA384,
TLS1_RFC_DHE_PSK_WITH_AES_256_GCM_SHA384,
TLS1_CK_DHE_PSK_WITH_AES_256_GCM_SHA384,
SSL_kDHEPSK,
SSL_aPSK,
SSL_AES256GCM,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_SHA384 | TLS1_PRF_SHA384,
256,
256,
},
{
1,
TLS1_TXT_RSA_PSK_WITH_AES_128_GCM_SHA256,
TLS1_RFC_RSA_PSK_WITH_AES_128_GCM_SHA256,
TLS1_CK_RSA_PSK_WITH_AES_128_GCM_SHA256,
SSL_kRSAPSK,
SSL_aRSA,
SSL_AES128GCM,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
128,
128,
},
{
1,
TLS1_TXT_RSA_PSK_WITH_AES_256_GCM_SHA384,
TLS1_RFC_RSA_PSK_WITH_AES_256_GCM_SHA384,
TLS1_CK_RSA_PSK_WITH_AES_256_GCM_SHA384,
SSL_kRSAPSK,
SSL_aRSA,
SSL_AES256GCM,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_SHA384 | TLS1_PRF_SHA384,
256,
256,
},
{
1,
TLS1_TXT_PSK_WITH_AES_128_CBC_SHA256,
TLS1_RFC_PSK_WITH_AES_128_CBC_SHA256,
TLS1_CK_PSK_WITH_AES_128_CBC_SHA256,
SSL_kPSK,
SSL_aPSK,
SSL_AES128,
SSL_SHA256,
TLS1_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
128,
128,
},
{
1,
TLS1_TXT_PSK_WITH_AES_256_CBC_SHA384,
TLS1_RFC_PSK_WITH_AES_256_CBC_SHA384,
TLS1_CK_PSK_WITH_AES_256_CBC_SHA384,
SSL_kPSK,
SSL_aPSK,
SSL_AES256,
SSL_SHA384,
TLS1_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_SHA384 | TLS1_PRF_SHA384,
256,
256,
},
{
1,
TLS1_TXT_PSK_WITH_NULL_SHA256,
TLS1_RFC_PSK_WITH_NULL_SHA256,
TLS1_CK_PSK_WITH_NULL_SHA256,
SSL_kPSK,
SSL_aPSK,
SSL_eNULL,
SSL_SHA256,
TLS1_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_STRONG_NONE | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
0,
0,
},
{
1,
TLS1_TXT_PSK_WITH_NULL_SHA384,
TLS1_RFC_PSK_WITH_NULL_SHA384,
TLS1_CK_PSK_WITH_NULL_SHA384,
SSL_kPSK,
SSL_aPSK,
SSL_eNULL,
SSL_SHA384,
TLS1_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_STRONG_NONE | SSL_FIPS,
SSL_HANDSHAKE_MAC_SHA384 | TLS1_PRF_SHA384,
0,
0,
},
{
1,
TLS1_TXT_DHE_PSK_WITH_AES_128_CBC_SHA256,
TLS1_RFC_DHE_PSK_WITH_AES_128_CBC_SHA256,
TLS1_CK_DHE_PSK_WITH_AES_128_CBC_SHA256,
SSL_kDHEPSK,
SSL_aPSK,
SSL_AES128,
SSL_SHA256,
TLS1_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
128,
128,
},
{
1,
TLS1_TXT_DHE_PSK_WITH_AES_256_CBC_SHA384,
TLS1_RFC_DHE_PSK_WITH_AES_256_CBC_SHA384,
TLS1_CK_DHE_PSK_WITH_AES_256_CBC_SHA384,
SSL_kDHEPSK,
SSL_aPSK,
SSL_AES256,
SSL_SHA384,
TLS1_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_SHA384 | TLS1_PRF_SHA384,
256,
256,
},
{
1,
TLS1_TXT_DHE_PSK_WITH_NULL_SHA256,
TLS1_RFC_DHE_PSK_WITH_NULL_SHA256,
TLS1_CK_DHE_PSK_WITH_NULL_SHA256,
SSL_kDHEPSK,
SSL_aPSK,
SSL_eNULL,
SSL_SHA256,
TLS1_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_STRONG_NONE | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
0,
0,
},
{
1,
TLS1_TXT_DHE_PSK_WITH_NULL_SHA384,
TLS1_RFC_DHE_PSK_WITH_NULL_SHA384,
TLS1_CK_DHE_PSK_WITH_NULL_SHA384,
SSL_kDHEPSK,
SSL_aPSK,
SSL_eNULL,
SSL_SHA384,
TLS1_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_STRONG_NONE | SSL_FIPS,
SSL_HANDSHAKE_MAC_SHA384 | TLS1_PRF_SHA384,
0,
0,
},
{
1,
TLS1_TXT_RSA_PSK_WITH_AES_128_CBC_SHA256,
TLS1_RFC_RSA_PSK_WITH_AES_128_CBC_SHA256,
TLS1_CK_RSA_PSK_WITH_AES_128_CBC_SHA256,
SSL_kRSAPSK,
SSL_aRSA,
SSL_AES128,
SSL_SHA256,
TLS1_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
128,
128,
},
{
1,
TLS1_TXT_RSA_PSK_WITH_AES_256_CBC_SHA384,
TLS1_RFC_RSA_PSK_WITH_AES_256_CBC_SHA384,
TLS1_CK_RSA_PSK_WITH_AES_256_CBC_SHA384,
SSL_kRSAPSK,
SSL_aRSA,
SSL_AES256,
SSL_SHA384,
TLS1_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_SHA384 | TLS1_PRF_SHA384,
256,
256,
},
{
1,
TLS1_TXT_RSA_PSK_WITH_NULL_SHA256,
TLS1_RFC_RSA_PSK_WITH_NULL_SHA256,
TLS1_CK_RSA_PSK_WITH_NULL_SHA256,
SSL_kRSAPSK,
SSL_aRSA,
SSL_eNULL,
SSL_SHA256,
TLS1_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_STRONG_NONE | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
0,
0,
},
{
1,
TLS1_TXT_RSA_PSK_WITH_NULL_SHA384,
TLS1_RFC_RSA_PSK_WITH_NULL_SHA384,
TLS1_CK_RSA_PSK_WITH_NULL_SHA384,
SSL_kRSAPSK,
SSL_aRSA,
SSL_eNULL,
SSL_SHA384,
TLS1_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_STRONG_NONE | SSL_FIPS,
SSL_HANDSHAKE_MAC_SHA384 | TLS1_PRF_SHA384,
0,
0,
},
# ifndef OPENSSL_NO_WEAK_SSL_CIPHERS
{
1,
TLS1_TXT_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA,
TLS1_RFC_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA,
TLS1_CK_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA,
SSL_kECDHEPSK,
SSL_aPSK,
SSL_3DES,
SSL_SHA1,
TLS1_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_MEDIUM | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
112,
168,
},
# endif
{
1,
TLS1_TXT_ECDHE_PSK_WITH_AES_128_CBC_SHA,
TLS1_RFC_ECDHE_PSK_WITH_AES_128_CBC_SHA,
TLS1_CK_ECDHE_PSK_WITH_AES_128_CBC_SHA,
SSL_kECDHEPSK,
SSL_aPSK,
SSL_AES128,
SSL_SHA1,
TLS1_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
128,
128,
},
{
1,
TLS1_TXT_ECDHE_PSK_WITH_AES_256_CBC_SHA,
TLS1_RFC_ECDHE_PSK_WITH_AES_256_CBC_SHA,
TLS1_CK_ECDHE_PSK_WITH_AES_256_CBC_SHA,
SSL_kECDHEPSK,
SSL_aPSK,
SSL_AES256,
SSL_SHA1,
TLS1_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
256,
256,
},
{
1,
TLS1_TXT_ECDHE_PSK_WITH_AES_128_CBC_SHA256,
TLS1_RFC_ECDHE_PSK_WITH_AES_128_CBC_SHA256,
TLS1_CK_ECDHE_PSK_WITH_AES_128_CBC_SHA256,
SSL_kECDHEPSK,
SSL_aPSK,
SSL_AES128,
SSL_SHA256,
TLS1_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
128,
128,
},
{
1,
TLS1_TXT_ECDHE_PSK_WITH_AES_256_CBC_SHA384,
TLS1_RFC_ECDHE_PSK_WITH_AES_256_CBC_SHA384,
TLS1_CK_ECDHE_PSK_WITH_AES_256_CBC_SHA384,
SSL_kECDHEPSK,
SSL_aPSK,
SSL_AES256,
SSL_SHA384,
TLS1_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_HIGH | SSL_FIPS,
SSL_HANDSHAKE_MAC_SHA384 | TLS1_PRF_SHA384,
256,
256,
},
{
1,
TLS1_TXT_ECDHE_PSK_WITH_NULL_SHA,
TLS1_RFC_ECDHE_PSK_WITH_NULL_SHA,
TLS1_CK_ECDHE_PSK_WITH_NULL_SHA,
SSL_kECDHEPSK,
SSL_aPSK,
SSL_eNULL,
SSL_SHA1,
TLS1_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_STRONG_NONE | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
0,
0,
},
{
1,
TLS1_TXT_ECDHE_PSK_WITH_NULL_SHA256,
TLS1_RFC_ECDHE_PSK_WITH_NULL_SHA256,
TLS1_CK_ECDHE_PSK_WITH_NULL_SHA256,
SSL_kECDHEPSK,
SSL_aPSK,
SSL_eNULL,
SSL_SHA256,
TLS1_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_STRONG_NONE | SSL_FIPS,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
0,
0,
},
{
1,
TLS1_TXT_ECDHE_PSK_WITH_NULL_SHA384,
TLS1_RFC_ECDHE_PSK_WITH_NULL_SHA384,
TLS1_CK_ECDHE_PSK_WITH_NULL_SHA384,
SSL_kECDHEPSK,
SSL_aPSK,
SSL_eNULL,
SSL_SHA384,
TLS1_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_STRONG_NONE | SSL_FIPS,
SSL_HANDSHAKE_MAC_SHA384 | TLS1_PRF_SHA384,
0,
0,
},
# ifndef OPENSSL_NO_WEAK_SSL_CIPHERS
{
1,
TLS1_TXT_SRP_SHA_WITH_3DES_EDE_CBC_SHA,
TLS1_RFC_SRP_SHA_WITH_3DES_EDE_CBC_SHA,
TLS1_CK_SRP_SHA_WITH_3DES_EDE_CBC_SHA,
SSL_kSRP,
SSL_aSRP,
SSL_3DES,
SSL_SHA1,
SSL3_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_MEDIUM,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
112,
168,
},
{
1,
TLS1_TXT_SRP_SHA_RSA_WITH_3DES_EDE_CBC_SHA,
TLS1_RFC_SRP_SHA_RSA_WITH_3DES_EDE_CBC_SHA,
TLS1_CK_SRP_SHA_RSA_WITH_3DES_EDE_CBC_SHA,
SSL_kSRP,
SSL_aRSA,
SSL_3DES,
SSL_SHA1,
SSL3_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_MEDIUM,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
112,
168,
},
{
1,
TLS1_TXT_SRP_SHA_DSS_WITH_3DES_EDE_CBC_SHA,
TLS1_RFC_SRP_SHA_DSS_WITH_3DES_EDE_CBC_SHA,
TLS1_CK_SRP_SHA_DSS_WITH_3DES_EDE_CBC_SHA,
SSL_kSRP,
SSL_aDSS,
SSL_3DES,
SSL_SHA1,
SSL3_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_MEDIUM,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
112,
168,
},
# endif
{
1,
TLS1_TXT_SRP_SHA_WITH_AES_128_CBC_SHA,
TLS1_RFC_SRP_SHA_WITH_AES_128_CBC_SHA,
TLS1_CK_SRP_SHA_WITH_AES_128_CBC_SHA,
SSL_kSRP,
SSL_aSRP,
SSL_AES128,
SSL_SHA1,
SSL3_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_HIGH,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
128,
128,
},
{
1,
TLS1_TXT_SRP_SHA_RSA_WITH_AES_128_CBC_SHA,
TLS1_RFC_SRP_SHA_RSA_WITH_AES_128_CBC_SHA,
TLS1_CK_SRP_SHA_RSA_WITH_AES_128_CBC_SHA,
SSL_kSRP,
SSL_aRSA,
SSL_AES128,
SSL_SHA1,
SSL3_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_HIGH,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
128,
128,
},
{
1,
TLS1_TXT_SRP_SHA_DSS_WITH_AES_128_CBC_SHA,
TLS1_RFC_SRP_SHA_DSS_WITH_AES_128_CBC_SHA,
TLS1_CK_SRP_SHA_DSS_WITH_AES_128_CBC_SHA,
SSL_kSRP,
SSL_aDSS,
SSL_AES128,
SSL_SHA1,
SSL3_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
128,
128,
},
{
1,
TLS1_TXT_SRP_SHA_WITH_AES_256_CBC_SHA,
TLS1_RFC_SRP_SHA_WITH_AES_256_CBC_SHA,
TLS1_CK_SRP_SHA_WITH_AES_256_CBC_SHA,
SSL_kSRP,
SSL_aSRP,
SSL_AES256,
SSL_SHA1,
SSL3_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_HIGH,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
256,
256,
},
{
1,
TLS1_TXT_SRP_SHA_RSA_WITH_AES_256_CBC_SHA,
TLS1_RFC_SRP_SHA_RSA_WITH_AES_256_CBC_SHA,
TLS1_CK_SRP_SHA_RSA_WITH_AES_256_CBC_SHA,
SSL_kSRP,
SSL_aRSA,
SSL_AES256,
SSL_SHA1,
SSL3_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_HIGH,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
256,
256,
},
{
1,
TLS1_TXT_SRP_SHA_DSS_WITH_AES_256_CBC_SHA,
TLS1_RFC_SRP_SHA_DSS_WITH_AES_256_CBC_SHA,
TLS1_CK_SRP_SHA_DSS_WITH_AES_256_CBC_SHA,
SSL_kSRP,
SSL_aDSS,
SSL_AES256,
SSL_SHA1,
SSL3_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
256,
256,
},
{
1,
TLS1_TXT_DHE_RSA_WITH_CHACHA20_POLY1305,
TLS1_RFC_DHE_RSA_WITH_CHACHA20_POLY1305,
TLS1_CK_DHE_RSA_WITH_CHACHA20_POLY1305,
SSL_kDHE,
SSL_aRSA,
SSL_CHACHA20POLY1305,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
256,
256,
},
{
1,
TLS1_TXT_ECDHE_RSA_WITH_CHACHA20_POLY1305,
TLS1_RFC_ECDHE_RSA_WITH_CHACHA20_POLY1305,
TLS1_CK_ECDHE_RSA_WITH_CHACHA20_POLY1305,
SSL_kECDHE,
SSL_aRSA,
SSL_CHACHA20POLY1305,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
256,
256,
},
{
1,
TLS1_TXT_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,
TLS1_RFC_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,
TLS1_CK_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,
SSL_kECDHE,
SSL_aECDSA,
SSL_CHACHA20POLY1305,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
256,
256,
},
{
1,
TLS1_TXT_PSK_WITH_CHACHA20_POLY1305,
TLS1_RFC_PSK_WITH_CHACHA20_POLY1305,
TLS1_CK_PSK_WITH_CHACHA20_POLY1305,
SSL_kPSK,
SSL_aPSK,
SSL_CHACHA20POLY1305,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
256,
256,
},
{
1,
TLS1_TXT_ECDHE_PSK_WITH_CHACHA20_POLY1305,
TLS1_RFC_ECDHE_PSK_WITH_CHACHA20_POLY1305,
TLS1_CK_ECDHE_PSK_WITH_CHACHA20_POLY1305,
SSL_kECDHEPSK,
SSL_aPSK,
SSL_CHACHA20POLY1305,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
256,
256,
},
{
1,
TLS1_TXT_DHE_PSK_WITH_CHACHA20_POLY1305,
TLS1_RFC_DHE_PSK_WITH_CHACHA20_POLY1305,
TLS1_CK_DHE_PSK_WITH_CHACHA20_POLY1305,
SSL_kDHEPSK,
SSL_aPSK,
SSL_CHACHA20POLY1305,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
256,
256,
},
{
1,
TLS1_TXT_RSA_PSK_WITH_CHACHA20_POLY1305,
TLS1_RFC_RSA_PSK_WITH_CHACHA20_POLY1305,
TLS1_CK_RSA_PSK_WITH_CHACHA20_POLY1305,
SSL_kRSAPSK,
SSL_aRSA,
SSL_CHACHA20POLY1305,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
256,
256,
},
{
1,
TLS1_TXT_RSA_WITH_CAMELLIA_128_CBC_SHA256,
TLS1_RFC_RSA_WITH_CAMELLIA_128_CBC_SHA256,
TLS1_CK_RSA_WITH_CAMELLIA_128_CBC_SHA256,
SSL_kRSA,
SSL_aRSA,
SSL_CAMELLIA128,
SSL_SHA256,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
128,
128,
},
{
1,
TLS1_TXT_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA256,
TLS1_RFC_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA256,
TLS1_CK_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA256,
SSL_kDHE,
SSL_aDSS,
SSL_CAMELLIA128,
SSL_SHA256,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
128,
128,
},
{
1,
TLS1_TXT_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256,
TLS1_RFC_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256,
TLS1_CK_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256,
SSL_kDHE,
SSL_aRSA,
SSL_CAMELLIA128,
SSL_SHA256,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
128,
128,
},
{
1,
TLS1_TXT_ADH_WITH_CAMELLIA_128_CBC_SHA256,
TLS1_RFC_ADH_WITH_CAMELLIA_128_CBC_SHA256,
TLS1_CK_ADH_WITH_CAMELLIA_128_CBC_SHA256,
SSL_kDHE,
SSL_aNULL,
SSL_CAMELLIA128,
SSL_SHA256,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
128,
128,
},
{
1,
TLS1_TXT_RSA_WITH_CAMELLIA_256_CBC_SHA256,
TLS1_RFC_RSA_WITH_CAMELLIA_256_CBC_SHA256,
TLS1_CK_RSA_WITH_CAMELLIA_256_CBC_SHA256,
SSL_kRSA,
SSL_aRSA,
SSL_CAMELLIA256,
SSL_SHA256,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
256,
256,
},
{
1,
TLS1_TXT_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA256,
TLS1_RFC_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA256,
TLS1_CK_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA256,
SSL_kDHE,
SSL_aDSS,
SSL_CAMELLIA256,
SSL_SHA256,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
256,
256,
},
{
1,
TLS1_TXT_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256,
TLS1_RFC_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256,
TLS1_CK_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256,
SSL_kDHE,
SSL_aRSA,
SSL_CAMELLIA256,
SSL_SHA256,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
256,
256,
},
{
1,
TLS1_TXT_ADH_WITH_CAMELLIA_256_CBC_SHA256,
TLS1_RFC_ADH_WITH_CAMELLIA_256_CBC_SHA256,
TLS1_CK_ADH_WITH_CAMELLIA_256_CBC_SHA256,
SSL_kDHE,
SSL_aNULL,
SSL_CAMELLIA256,
SSL_SHA256,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
256,
256,
},
{
1,
TLS1_TXT_RSA_WITH_CAMELLIA_256_CBC_SHA,
TLS1_RFC_RSA_WITH_CAMELLIA_256_CBC_SHA,
TLS1_CK_RSA_WITH_CAMELLIA_256_CBC_SHA,
SSL_kRSA,
SSL_aRSA,
SSL_CAMELLIA256,
SSL_SHA1,
SSL3_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
256,
256,
},
{
1,
TLS1_TXT_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA,
TLS1_RFC_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA,
TLS1_CK_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA,
SSL_kDHE,
SSL_aDSS,
SSL_CAMELLIA256,
SSL_SHA1,
SSL3_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
256,
256,
},
{
1,
TLS1_TXT_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA,
TLS1_RFC_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA,
TLS1_CK_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA,
SSL_kDHE,
SSL_aRSA,
SSL_CAMELLIA256,
SSL_SHA1,
SSL3_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
256,
256,
},
{
1,
TLS1_TXT_ADH_WITH_CAMELLIA_256_CBC_SHA,
TLS1_RFC_ADH_WITH_CAMELLIA_256_CBC_SHA,
TLS1_CK_ADH_WITH_CAMELLIA_256_CBC_SHA,
SSL_kDHE,
SSL_aNULL,
SSL_CAMELLIA256,
SSL_SHA1,
SSL3_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
256,
256,
},
{
1,
TLS1_TXT_RSA_WITH_CAMELLIA_128_CBC_SHA,
TLS1_RFC_RSA_WITH_CAMELLIA_128_CBC_SHA,
TLS1_CK_RSA_WITH_CAMELLIA_128_CBC_SHA,
SSL_kRSA,
SSL_aRSA,
SSL_CAMELLIA128,
SSL_SHA1,
SSL3_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
128,
128,
},
{
1,
TLS1_TXT_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA,
TLS1_RFC_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA,
TLS1_CK_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA,
SSL_kDHE,
SSL_aDSS,
SSL_CAMELLIA128,
SSL_SHA1,
SSL3_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
128,
128,
},
{
1,
TLS1_TXT_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA,
TLS1_RFC_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA,
TLS1_CK_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA,
SSL_kDHE,
SSL_aRSA,
SSL_CAMELLIA128,
SSL_SHA1,
SSL3_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
128,
128,
},
{
1,
TLS1_TXT_ADH_WITH_CAMELLIA_128_CBC_SHA,
TLS1_RFC_ADH_WITH_CAMELLIA_128_CBC_SHA,
TLS1_CK_ADH_WITH_CAMELLIA_128_CBC_SHA,
SSL_kDHE,
SSL_aNULL,
SSL_CAMELLIA128,
SSL_SHA1,
SSL3_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
128,
128,
},
{
1,
TLS1_TXT_ECDHE_ECDSA_WITH_CAMELLIA_128_CBC_SHA256,
TLS1_RFC_ECDHE_ECDSA_WITH_CAMELLIA_128_CBC_SHA256,
TLS1_CK_ECDHE_ECDSA_WITH_CAMELLIA_128_CBC_SHA256,
SSL_kECDHE,
SSL_aECDSA,
SSL_CAMELLIA128,
SSL_SHA256,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
128,
128,
},
{
1,
TLS1_TXT_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384,
TLS1_RFC_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384,
TLS1_CK_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384,
SSL_kECDHE,
SSL_aECDSA,
SSL_CAMELLIA256,
SSL_SHA384,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA384 | TLS1_PRF_SHA384,
256,
256,
},
{
1,
TLS1_TXT_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256,
TLS1_RFC_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256,
TLS1_CK_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256,
SSL_kECDHE,
SSL_aRSA,
SSL_CAMELLIA128,
SSL_SHA256,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
128,
128,
},
{
1,
TLS1_TXT_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384,
TLS1_RFC_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384,
TLS1_CK_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384,
SSL_kECDHE,
SSL_aRSA,
SSL_CAMELLIA256,
SSL_SHA384,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA384 | TLS1_PRF_SHA384,
256,
256,
},
{
1,
TLS1_TXT_PSK_WITH_CAMELLIA_128_CBC_SHA256,
TLS1_RFC_PSK_WITH_CAMELLIA_128_CBC_SHA256,
TLS1_CK_PSK_WITH_CAMELLIA_128_CBC_SHA256,
SSL_kPSK,
SSL_aPSK,
SSL_CAMELLIA128,
SSL_SHA256,
TLS1_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
128,
128,
},
{
1,
TLS1_TXT_PSK_WITH_CAMELLIA_256_CBC_SHA384,
TLS1_RFC_PSK_WITH_CAMELLIA_256_CBC_SHA384,
TLS1_CK_PSK_WITH_CAMELLIA_256_CBC_SHA384,
SSL_kPSK,
SSL_aPSK,
SSL_CAMELLIA256,
SSL_SHA384,
TLS1_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA384 | TLS1_PRF_SHA384,
256,
256,
},
{
1,
TLS1_TXT_DHE_PSK_WITH_CAMELLIA_128_CBC_SHA256,
TLS1_RFC_DHE_PSK_WITH_CAMELLIA_128_CBC_SHA256,
TLS1_CK_DHE_PSK_WITH_CAMELLIA_128_CBC_SHA256,
SSL_kDHEPSK,
SSL_aPSK,
SSL_CAMELLIA128,
SSL_SHA256,
TLS1_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
128,
128,
},
{
1,
TLS1_TXT_DHE_PSK_WITH_CAMELLIA_256_CBC_SHA384,
TLS1_RFC_DHE_PSK_WITH_CAMELLIA_256_CBC_SHA384,
TLS1_CK_DHE_PSK_WITH_CAMELLIA_256_CBC_SHA384,
SSL_kDHEPSK,
SSL_aPSK,
SSL_CAMELLIA256,
SSL_SHA384,
TLS1_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA384 | TLS1_PRF_SHA384,
256,
256,
},
{
1,
TLS1_TXT_RSA_PSK_WITH_CAMELLIA_128_CBC_SHA256,
TLS1_RFC_RSA_PSK_WITH_CAMELLIA_128_CBC_SHA256,
TLS1_CK_RSA_PSK_WITH_CAMELLIA_128_CBC_SHA256,
SSL_kRSAPSK,
SSL_aRSA,
SSL_CAMELLIA128,
SSL_SHA256,
TLS1_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
128,
128,
},
{
1,
TLS1_TXT_RSA_PSK_WITH_CAMELLIA_256_CBC_SHA384,
TLS1_RFC_RSA_PSK_WITH_CAMELLIA_256_CBC_SHA384,
TLS1_CK_RSA_PSK_WITH_CAMELLIA_256_CBC_SHA384,
SSL_kRSAPSK,
SSL_aRSA,
SSL_CAMELLIA256,
SSL_SHA384,
TLS1_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA384 | TLS1_PRF_SHA384,
256,
256,
},
{
1,
TLS1_TXT_ECDHE_PSK_WITH_CAMELLIA_128_CBC_SHA256,
TLS1_RFC_ECDHE_PSK_WITH_CAMELLIA_128_CBC_SHA256,
TLS1_CK_ECDHE_PSK_WITH_CAMELLIA_128_CBC_SHA256,
SSL_kECDHEPSK,
SSL_aPSK,
SSL_CAMELLIA128,
SSL_SHA256,
TLS1_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
128,
128,
},
{
1,
TLS1_TXT_ECDHE_PSK_WITH_CAMELLIA_256_CBC_SHA384,
TLS1_RFC_ECDHE_PSK_WITH_CAMELLIA_256_CBC_SHA384,
TLS1_CK_ECDHE_PSK_WITH_CAMELLIA_256_CBC_SHA384,
SSL_kECDHEPSK,
SSL_aPSK,
SSL_CAMELLIA256,
SSL_SHA384,
TLS1_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA384 | TLS1_PRF_SHA384,
256,
256,
},
#ifndef OPENSSL_NO_GOST
{
1,
"GOST2001-GOST89-GOST89",
"TLS_GOSTR341001_WITH_28147_CNT_IMIT",
0x3000081,
SSL_kGOST,
SSL_aGOST01,
SSL_eGOST2814789CNT,
SSL_GOST89MAC,
TLS1_VERSION, TLS1_2_VERSION,
0, 0,
SSL_HIGH,
SSL_HANDSHAKE_MAC_GOST94 | TLS1_PRF_GOST94 | TLS1_STREAM_MAC,
256,
256,
},
{
1,
"GOST2001-NULL-GOST94",
"TLS_GOSTR341001_WITH_NULL_GOSTR3411",
0x3000083,
SSL_kGOST,
SSL_aGOST01,
SSL_eNULL,
SSL_GOST94,
TLS1_VERSION, TLS1_2_VERSION,
0, 0,
SSL_STRONG_NONE,
SSL_HANDSHAKE_MAC_GOST94 | TLS1_PRF_GOST94,
0,
0,
},
{
1,
"IANA-GOST2012-GOST8912-GOST8912",
NULL,
0x0300c102,
SSL_kGOST,
SSL_aGOST12 | SSL_aGOST01,
SSL_eGOST2814789CNT12,
SSL_GOST89MAC12,
TLS1_VERSION, TLS1_2_VERSION,
0, 0,
SSL_HIGH,
SSL_HANDSHAKE_MAC_GOST12_256 | TLS1_PRF_GOST12_256 | TLS1_STREAM_MAC,
256,
256,
},
{
1,
"LEGACY-GOST2012-GOST8912-GOST8912",
NULL,
0x0300ff85,
SSL_kGOST,
SSL_aGOST12 | SSL_aGOST01,
SSL_eGOST2814789CNT12,
SSL_GOST89MAC12,
TLS1_VERSION, TLS1_2_VERSION,
0, 0,
SSL_HIGH,
SSL_HANDSHAKE_MAC_GOST12_256 | TLS1_PRF_GOST12_256 | TLS1_STREAM_MAC,
256,
256,
},
{
1,
"GOST2012-NULL-GOST12",
NULL,
0x0300ff87,
SSL_kGOST,
SSL_aGOST12 | SSL_aGOST01,
SSL_eNULL,
SSL_GOST12_256,
TLS1_VERSION, TLS1_2_VERSION,
0, 0,
SSL_STRONG_NONE,
SSL_HANDSHAKE_MAC_GOST12_256 | TLS1_PRF_GOST12_256 | TLS1_STREAM_MAC,
0,
0,
},
{
1,
"GOST2012-KUZNYECHIK-KUZNYECHIKOMAC",
NULL,
0x0300C100,
SSL_kGOST18,
SSL_aGOST12,
SSL_KUZNYECHIK,
SSL_KUZNYECHIKOMAC,
TLS1_2_VERSION, TLS1_2_VERSION,
0, 0,
SSL_HIGH,
SSL_HANDSHAKE_MAC_GOST12_256 | TLS1_PRF_GOST12_256 | TLS1_TLSTREE,
256,
256,
},
{
1,
"GOST2012-MAGMA-MAGMAOMAC",
NULL,
0x0300C101,
SSL_kGOST18,
SSL_aGOST12,
SSL_MAGMA,
SSL_MAGMAOMAC,
TLS1_2_VERSION, TLS1_2_VERSION,
0, 0,
SSL_HIGH,
SSL_HANDSHAKE_MAC_GOST12_256 | TLS1_PRF_GOST12_256 | TLS1_TLSTREE,
256,
256,
},
#endif
{
1,
SSL3_TXT_RSA_IDEA_128_SHA,
SSL3_RFC_RSA_IDEA_128_SHA,
SSL3_CK_RSA_IDEA_128_SHA,
SSL_kRSA,
SSL_aRSA,
SSL_IDEA,
SSL_SHA1,
SSL3_VERSION, TLS1_1_VERSION,
DTLS1_BAD_VER, DTLS1_VERSION,
SSL_NOT_DEFAULT | SSL_MEDIUM,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
128,
128,
},
{
1,
TLS1_TXT_RSA_WITH_SEED_SHA,
TLS1_RFC_RSA_WITH_SEED_SHA,
TLS1_CK_RSA_WITH_SEED_SHA,
SSL_kRSA,
SSL_aRSA,
SSL_SEED,
SSL_SHA1,
SSL3_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_MEDIUM,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
128,
128,
},
{
1,
TLS1_TXT_DHE_DSS_WITH_SEED_SHA,
TLS1_RFC_DHE_DSS_WITH_SEED_SHA,
TLS1_CK_DHE_DSS_WITH_SEED_SHA,
SSL_kDHE,
SSL_aDSS,
SSL_SEED,
SSL_SHA1,
SSL3_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_MEDIUM,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
128,
128,
},
{
1,
TLS1_TXT_DHE_RSA_WITH_SEED_SHA,
TLS1_RFC_DHE_RSA_WITH_SEED_SHA,
TLS1_CK_DHE_RSA_WITH_SEED_SHA,
SSL_kDHE,
SSL_aRSA,
SSL_SEED,
SSL_SHA1,
SSL3_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_MEDIUM,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
128,
128,
},
{
1,
TLS1_TXT_ADH_WITH_SEED_SHA,
TLS1_RFC_ADH_WITH_SEED_SHA,
TLS1_CK_ADH_WITH_SEED_SHA,
SSL_kDHE,
SSL_aNULL,
SSL_SEED,
SSL_SHA1,
SSL3_VERSION, TLS1_2_VERSION,
DTLS1_BAD_VER, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_MEDIUM,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
128,
128,
},
#ifndef OPENSSL_NO_WEAK_SSL_CIPHERS
{
1,
SSL3_TXT_RSA_RC4_128_MD5,
SSL3_RFC_RSA_RC4_128_MD5,
SSL3_CK_RSA_RC4_128_MD5,
SSL_kRSA,
SSL_aRSA,
SSL_RC4,
SSL_MD5,
SSL3_VERSION, TLS1_2_VERSION,
0, 0,
SSL_NOT_DEFAULT | SSL_MEDIUM,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
80,
128,
},
{
1,
SSL3_TXT_RSA_RC4_128_SHA,
SSL3_RFC_RSA_RC4_128_SHA,
SSL3_CK_RSA_RC4_128_SHA,
SSL_kRSA,
SSL_aRSA,
SSL_RC4,
SSL_SHA1,
SSL3_VERSION, TLS1_2_VERSION,
0, 0,
SSL_NOT_DEFAULT | SSL_MEDIUM,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
80,
128,
},
{
1,
SSL3_TXT_ADH_RC4_128_MD5,
SSL3_RFC_ADH_RC4_128_MD5,
SSL3_CK_ADH_RC4_128_MD5,
SSL_kDHE,
SSL_aNULL,
SSL_RC4,
SSL_MD5,
SSL3_VERSION, TLS1_2_VERSION,
0, 0,
SSL_NOT_DEFAULT | SSL_MEDIUM,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
80,
128,
},
{
1,
TLS1_TXT_ECDHE_PSK_WITH_RC4_128_SHA,
TLS1_RFC_ECDHE_PSK_WITH_RC4_128_SHA,
TLS1_CK_ECDHE_PSK_WITH_RC4_128_SHA,
SSL_kECDHEPSK,
SSL_aPSK,
SSL_RC4,
SSL_SHA1,
TLS1_VERSION, TLS1_2_VERSION,
0, 0,
SSL_NOT_DEFAULT | SSL_MEDIUM,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
80,
128,
},
{
1,
TLS1_TXT_ECDH_anon_WITH_RC4_128_SHA,
TLS1_RFC_ECDH_anon_WITH_RC4_128_SHA,
TLS1_CK_ECDH_anon_WITH_RC4_128_SHA,
SSL_kECDHE,
SSL_aNULL,
SSL_RC4,
SSL_SHA1,
TLS1_VERSION, TLS1_2_VERSION,
0, 0,
SSL_NOT_DEFAULT | SSL_MEDIUM,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
80,
128,
},
{
1,
TLS1_TXT_ECDHE_ECDSA_WITH_RC4_128_SHA,
TLS1_RFC_ECDHE_ECDSA_WITH_RC4_128_SHA,
TLS1_CK_ECDHE_ECDSA_WITH_RC4_128_SHA,
SSL_kECDHE,
SSL_aECDSA,
SSL_RC4,
SSL_SHA1,
TLS1_VERSION, TLS1_2_VERSION,
0, 0,
SSL_NOT_DEFAULT | SSL_MEDIUM,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
80,
128,
},
{
1,
TLS1_TXT_ECDHE_RSA_WITH_RC4_128_SHA,
TLS1_RFC_ECDHE_RSA_WITH_RC4_128_SHA,
TLS1_CK_ECDHE_RSA_WITH_RC4_128_SHA,
SSL_kECDHE,
SSL_aRSA,
SSL_RC4,
SSL_SHA1,
TLS1_VERSION, TLS1_2_VERSION,
0, 0,
SSL_NOT_DEFAULT | SSL_MEDIUM,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
80,
128,
},
{
1,
TLS1_TXT_PSK_WITH_RC4_128_SHA,
TLS1_RFC_PSK_WITH_RC4_128_SHA,
TLS1_CK_PSK_WITH_RC4_128_SHA,
SSL_kPSK,
SSL_aPSK,
SSL_RC4,
SSL_SHA1,
SSL3_VERSION, TLS1_2_VERSION,
0, 0,
SSL_NOT_DEFAULT | SSL_MEDIUM,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
80,
128,
},
{
1,
TLS1_TXT_RSA_PSK_WITH_RC4_128_SHA,
TLS1_RFC_RSA_PSK_WITH_RC4_128_SHA,
TLS1_CK_RSA_PSK_WITH_RC4_128_SHA,
SSL_kRSAPSK,
SSL_aRSA,
SSL_RC4,
SSL_SHA1,
SSL3_VERSION, TLS1_2_VERSION,
0, 0,
SSL_NOT_DEFAULT | SSL_MEDIUM,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
80,
128,
},
{
1,
TLS1_TXT_DHE_PSK_WITH_RC4_128_SHA,
TLS1_RFC_DHE_PSK_WITH_RC4_128_SHA,
TLS1_CK_DHE_PSK_WITH_RC4_128_SHA,
SSL_kDHEPSK,
SSL_aPSK,
SSL_RC4,
SSL_SHA1,
SSL3_VERSION, TLS1_2_VERSION,
0, 0,
SSL_NOT_DEFAULT | SSL_MEDIUM,
SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF,
80,
128,
},
#endif
{
1,
TLS1_TXT_RSA_WITH_ARIA_128_GCM_SHA256,
TLS1_RFC_RSA_WITH_ARIA_128_GCM_SHA256,
TLS1_CK_RSA_WITH_ARIA_128_GCM_SHA256,
SSL_kRSA,
SSL_aRSA,
SSL_ARIA128GCM,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
128,
128,
},
{
1,
TLS1_TXT_RSA_WITH_ARIA_256_GCM_SHA384,
TLS1_RFC_RSA_WITH_ARIA_256_GCM_SHA384,
TLS1_CK_RSA_WITH_ARIA_256_GCM_SHA384,
SSL_kRSA,
SSL_aRSA,
SSL_ARIA256GCM,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA384 | TLS1_PRF_SHA384,
256,
256,
},
{
1,
TLS1_TXT_DHE_RSA_WITH_ARIA_128_GCM_SHA256,
TLS1_RFC_DHE_RSA_WITH_ARIA_128_GCM_SHA256,
TLS1_CK_DHE_RSA_WITH_ARIA_128_GCM_SHA256,
SSL_kDHE,
SSL_aRSA,
SSL_ARIA128GCM,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
128,
128,
},
{
1,
TLS1_TXT_DHE_RSA_WITH_ARIA_256_GCM_SHA384,
TLS1_RFC_DHE_RSA_WITH_ARIA_256_GCM_SHA384,
TLS1_CK_DHE_RSA_WITH_ARIA_256_GCM_SHA384,
SSL_kDHE,
SSL_aRSA,
SSL_ARIA256GCM,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA384 | TLS1_PRF_SHA384,
256,
256,
},
{
1,
TLS1_TXT_DHE_DSS_WITH_ARIA_128_GCM_SHA256,
TLS1_RFC_DHE_DSS_WITH_ARIA_128_GCM_SHA256,
TLS1_CK_DHE_DSS_WITH_ARIA_128_GCM_SHA256,
SSL_kDHE,
SSL_aDSS,
SSL_ARIA128GCM,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
128,
128,
},
{
1,
TLS1_TXT_DHE_DSS_WITH_ARIA_256_GCM_SHA384,
TLS1_RFC_DHE_DSS_WITH_ARIA_256_GCM_SHA384,
TLS1_CK_DHE_DSS_WITH_ARIA_256_GCM_SHA384,
SSL_kDHE,
SSL_aDSS,
SSL_ARIA256GCM,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA384 | TLS1_PRF_SHA384,
256,
256,
},
{
1,
TLS1_TXT_ECDHE_ECDSA_WITH_ARIA_128_GCM_SHA256,
TLS1_RFC_ECDHE_ECDSA_WITH_ARIA_128_GCM_SHA256,
TLS1_CK_ECDHE_ECDSA_WITH_ARIA_128_GCM_SHA256,
SSL_kECDHE,
SSL_aECDSA,
SSL_ARIA128GCM,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
128,
128,
},
{
1,
TLS1_TXT_ECDHE_ECDSA_WITH_ARIA_256_GCM_SHA384,
TLS1_RFC_ECDHE_ECDSA_WITH_ARIA_256_GCM_SHA384,
TLS1_CK_ECDHE_ECDSA_WITH_ARIA_256_GCM_SHA384,
SSL_kECDHE,
SSL_aECDSA,
SSL_ARIA256GCM,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA384 | TLS1_PRF_SHA384,
256,
256,
},
{
1,
TLS1_TXT_ECDHE_RSA_WITH_ARIA_128_GCM_SHA256,
TLS1_RFC_ECDHE_RSA_WITH_ARIA_128_GCM_SHA256,
TLS1_CK_ECDHE_RSA_WITH_ARIA_128_GCM_SHA256,
SSL_kECDHE,
SSL_aRSA,
SSL_ARIA128GCM,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
128,
128,
},
{
1,
TLS1_TXT_ECDHE_RSA_WITH_ARIA_256_GCM_SHA384,
TLS1_RFC_ECDHE_RSA_WITH_ARIA_256_GCM_SHA384,
TLS1_CK_ECDHE_RSA_WITH_ARIA_256_GCM_SHA384,
SSL_kECDHE,
SSL_aRSA,
SSL_ARIA256GCM,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA384 | TLS1_PRF_SHA384,
256,
256,
},
{
1,
TLS1_TXT_PSK_WITH_ARIA_128_GCM_SHA256,
TLS1_RFC_PSK_WITH_ARIA_128_GCM_SHA256,
TLS1_CK_PSK_WITH_ARIA_128_GCM_SHA256,
SSL_kPSK,
SSL_aPSK,
SSL_ARIA128GCM,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
128,
128,
},
{
1,
TLS1_TXT_PSK_WITH_ARIA_256_GCM_SHA384,
TLS1_RFC_PSK_WITH_ARIA_256_GCM_SHA384,
TLS1_CK_PSK_WITH_ARIA_256_GCM_SHA384,
SSL_kPSK,
SSL_aPSK,
SSL_ARIA256GCM,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA384 | TLS1_PRF_SHA384,
256,
256,
},
{
1,
TLS1_TXT_DHE_PSK_WITH_ARIA_128_GCM_SHA256,
TLS1_RFC_DHE_PSK_WITH_ARIA_128_GCM_SHA256,
TLS1_CK_DHE_PSK_WITH_ARIA_128_GCM_SHA256,
SSL_kDHEPSK,
SSL_aPSK,
SSL_ARIA128GCM,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
128,
128,
},
{
1,
TLS1_TXT_DHE_PSK_WITH_ARIA_256_GCM_SHA384,
TLS1_RFC_DHE_PSK_WITH_ARIA_256_GCM_SHA384,
TLS1_CK_DHE_PSK_WITH_ARIA_256_GCM_SHA384,
SSL_kDHEPSK,
SSL_aPSK,
SSL_ARIA256GCM,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA384 | TLS1_PRF_SHA384,
256,
256,
},
{
1,
TLS1_TXT_RSA_PSK_WITH_ARIA_128_GCM_SHA256,
TLS1_RFC_RSA_PSK_WITH_ARIA_128_GCM_SHA256,
TLS1_CK_RSA_PSK_WITH_ARIA_128_GCM_SHA256,
SSL_kRSAPSK,
SSL_aRSA,
SSL_ARIA128GCM,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256,
128,
128,
},
{
1,
TLS1_TXT_RSA_PSK_WITH_ARIA_256_GCM_SHA384,
TLS1_RFC_RSA_PSK_WITH_ARIA_256_GCM_SHA384,
TLS1_CK_RSA_PSK_WITH_ARIA_256_GCM_SHA384,
SSL_kRSAPSK,
SSL_aRSA,
SSL_ARIA256GCM,
SSL_AEAD,
TLS1_2_VERSION, TLS1_2_VERSION,
DTLS1_2_VERSION, DTLS1_2_VERSION,
SSL_NOT_DEFAULT | SSL_HIGH,
SSL_HANDSHAKE_MAC_SHA384 | TLS1_PRF_SHA384,
256,
256,
},
};
static SSL_CIPHER ssl3_scsvs[] = {
{
0,
"TLS_EMPTY_RENEGOTIATION_INFO_SCSV",
"TLS_EMPTY_RENEGOTIATION_INFO_SCSV",
SSL3_CK_SCSV,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
},
{
0,
"TLS_FALLBACK_SCSV",
"TLS_FALLBACK_SCSV",
SSL3_CK_FALLBACK_SCSV,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
},
};
static int cipher_compare(const void *a, const void *b)
{
const SSL_CIPHER *ap = (const SSL_CIPHER *)a;
const SSL_CIPHER *bp = (const SSL_CIPHER *)b;
if (ap->id == bp->id)
return 0;
return ap->id < bp->id ? -1 : 1;
}
void ssl_sort_cipher_list(void)
{
qsort(tls13_ciphers, TLS13_NUM_CIPHERS, sizeof(tls13_ciphers[0]),
cipher_compare);
qsort(ssl3_ciphers, SSL3_NUM_CIPHERS, sizeof(ssl3_ciphers[0]),
cipher_compare);
qsort(ssl3_scsvs, SSL3_NUM_SCSVS, sizeof(ssl3_scsvs[0]), cipher_compare);
}
static int sslcon_undefined_function_1(SSL_CONNECTION *sc, unsigned char *r,
size_t s, const char *t, size_t u,
const unsigned char *v, size_t w, int x)
{
(void)r;
(void)s;
(void)t;
(void)u;
(void)v;
(void)w;
(void)x;
return ssl_undefined_function(SSL_CONNECTION_GET_SSL(sc));
}
const SSL3_ENC_METHOD SSLv3_enc_data = {
ssl3_setup_key_block,
ssl3_generate_master_secret,
ssl3_change_cipher_state,
ssl3_final_finish_mac,
SSL3_MD_CLIENT_FINISHED_CONST, 4,
SSL3_MD_SERVER_FINISHED_CONST, 4,
ssl3_alert_code,
sslcon_undefined_function_1,
0,
ssl3_set_handshake_header,
tls_close_construct_packet,
ssl3_handshake_write
};
OSSL_TIME ssl3_default_timeout(void)
{
return ossl_seconds2time(60 * 60 * 2);
}
int ssl3_num_ciphers(void)
{
return SSL3_NUM_CIPHERS;
}
const SSL_CIPHER *ssl3_get_cipher(unsigned int u)
{
if (u < SSL3_NUM_CIPHERS)
return &(ssl3_ciphers[SSL3_NUM_CIPHERS - 1 - u]);
else
return NULL;
}
int ssl3_set_handshake_header(SSL_CONNECTION *s, WPACKET *pkt, int htype)
{
if (htype == SSL3_MT_CHANGE_CIPHER_SPEC)
return 1;
if (!WPACKET_put_bytes_u8(pkt, htype)
|| !WPACKET_start_sub_packet_u24(pkt))
return 0;
return 1;
}
int ssl3_handshake_write(SSL_CONNECTION *s)
{
return ssl3_do_write(s, SSL3_RT_HANDSHAKE);
}
int ssl3_new(SSL *s)
{
#ifndef OPENSSL_NO_SRP
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return 0;
if (!ssl_srp_ctx_init_intern(sc))
return 0;
#endif
if (!s->method->ssl_clear(s))
return 0;
return 1;
}
void ssl3_free(SSL *s)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return;
ssl3_cleanup_key_block(sc);
EVP_PKEY_free(sc->s3.peer_tmp);
sc->s3.peer_tmp = NULL;
EVP_PKEY_free(sc->s3.tmp.pkey);
sc->s3.tmp.pkey = NULL;
ssl_evp_cipher_free(sc->s3.tmp.new_sym_enc);
ssl_evp_md_free(sc->s3.tmp.new_hash);
OPENSSL_free(sc->s3.tmp.ctype);
sk_X509_NAME_pop_free(sc->s3.tmp.peer_ca_names, X509_NAME_free);
OPENSSL_free(sc->s3.tmp.ciphers_raw);
OPENSSL_clear_free(sc->s3.tmp.pms, sc->s3.tmp.pmslen);
OPENSSL_free(sc->s3.tmp.peer_sigalgs);
OPENSSL_free(sc->s3.tmp.peer_cert_sigalgs);
OPENSSL_free(sc->s3.tmp.valid_flags);
ssl3_free_digest_list(sc);
OPENSSL_free(sc->s3.alpn_selected);
OPENSSL_free(sc->s3.alpn_proposed);
#ifndef OPENSSL_NO_PSK
OPENSSL_free(sc->s3.tmp.psk);
#endif
#ifndef OPENSSL_NO_SRP
ssl_srp_ctx_free_intern(sc);
#endif
memset(&sc->s3, 0, sizeof(sc->s3));
}
int ssl3_clear(SSL *s)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
int flags;
if (sc == NULL)
return 0;
ssl3_cleanup_key_block(sc);
OPENSSL_free(sc->s3.tmp.ctype);
sk_X509_NAME_pop_free(sc->s3.tmp.peer_ca_names, X509_NAME_free);
OPENSSL_free(sc->s3.tmp.ciphers_raw);
OPENSSL_clear_free(sc->s3.tmp.pms, sc->s3.tmp.pmslen);
OPENSSL_free(sc->s3.tmp.peer_sigalgs);
OPENSSL_free(sc->s3.tmp.peer_cert_sigalgs);
OPENSSL_free(sc->s3.tmp.valid_flags);
EVP_PKEY_free(sc->s3.tmp.pkey);
EVP_PKEY_free(sc->s3.peer_tmp);
ssl3_free_digest_list(sc);
OPENSSL_free(sc->s3.alpn_selected);
OPENSSL_free(sc->s3.alpn_proposed);
flags = sc->s3.flags & TLS1_FLAGS_QUIC;
memset(&sc->s3, 0, sizeof(sc->s3));
sc->s3.flags |= flags;
if (!ssl_free_wbio_buffer(sc))
return 0;
sc->version = SSL3_VERSION;
#if !defined(OPENSSL_NO_NEXTPROTONEG)
OPENSSL_free(sc->ext.npn);
sc->ext.npn = NULL;
sc->ext.npn_len = 0;
#endif
return 1;
}
#ifndef OPENSSL_NO_SRP
static char *srp_password_from_info_cb(SSL *s, void *arg)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return NULL;
return OPENSSL_strdup(sc->srp_ctx.info);
}
#endif
static int ssl3_set_req_cert_type(CERT *c, const unsigned char *p, size_t len);
long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg)
{
int ret = 0;
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return ret;
switch (cmd) {
case SSL_CTRL_GET_CLIENT_CERT_REQUEST:
break;
case SSL_CTRL_GET_NUM_RENEGOTIATIONS:
ret = sc->s3.num_renegotiations;
break;
case SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS:
ret = sc->s3.num_renegotiations;
sc->s3.num_renegotiations = 0;
break;
case SSL_CTRL_GET_TOTAL_RENEGOTIATIONS:
ret = sc->s3.total_renegotiations;
break;
case SSL_CTRL_GET_FLAGS:
ret = (int)(sc->s3.flags);
break;
#if !defined(OPENSSL_NO_DEPRECATED_3_0)
case SSL_CTRL_SET_TMP_DH:
{
EVP_PKEY *pkdh = NULL;
if (parg == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_NULL_PARAMETER);
return 0;
}
pkdh = ssl_dh_to_pkey(parg);
if (pkdh == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_DH_LIB);
return 0;
}
if (!SSL_set0_tmp_dh_pkey(s, pkdh)) {
EVP_PKEY_free(pkdh);
return 0;
}
return 1;
}
break;
case SSL_CTRL_SET_TMP_DH_CB:
{
ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
return ret;
}
#endif
case SSL_CTRL_SET_DH_AUTO:
sc->cert->dh_tmp_auto = larg;
return 1;
#if !defined(OPENSSL_NO_DEPRECATED_3_0)
case SSL_CTRL_SET_TMP_ECDH:
{
if (parg == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_NULL_PARAMETER);
return 0;
}
return ssl_set_tmp_ecdh_groups(&sc->ext.supportedgroups,
&sc->ext.supportedgroups_len,
parg);
}
#endif
case SSL_CTRL_SET_TLSEXT_HOSTNAME:
if (larg == TLSEXT_NAMETYPE_host_name) {
size_t len;
OPENSSL_free(sc->ext.hostname);
sc->ext.hostname = NULL;
ret = 1;
if (parg == NULL)
break;
len = strlen((char *)parg);
if (len == 0 || len > TLSEXT_MAXLEN_host_name) {
ERR_raise(ERR_LIB_SSL, SSL_R_SSL3_EXT_INVALID_SERVERNAME);
return 0;
}
if ((sc->ext.hostname = OPENSSL_strdup((char *)parg)) == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
return 0;
}
} else {
ERR_raise(ERR_LIB_SSL, SSL_R_SSL3_EXT_INVALID_SERVERNAME_TYPE);
return 0;
}
break;
case SSL_CTRL_SET_TLSEXT_DEBUG_ARG:
sc->ext.debug_arg = parg;
ret = 1;
break;
case SSL_CTRL_GET_TLSEXT_STATUS_REQ_TYPE:
ret = sc->ext.status_type;
break;
case SSL_CTRL_SET_TLSEXT_STATUS_REQ_TYPE:
sc->ext.status_type = larg;
ret = 1;
break;
case SSL_CTRL_GET_TLSEXT_STATUS_REQ_EXTS:
*(STACK_OF(X509_EXTENSION) **)parg = sc->ext.ocsp.exts;
ret = 1;
break;
case SSL_CTRL_SET_TLSEXT_STATUS_REQ_EXTS:
sc->ext.ocsp.exts = parg;
ret = 1;
break;
case SSL_CTRL_GET_TLSEXT_STATUS_REQ_IDS:
*(STACK_OF(OCSP_RESPID) **)parg = sc->ext.ocsp.ids;
ret = 1;
break;
case SSL_CTRL_SET_TLSEXT_STATUS_REQ_IDS:
sc->ext.ocsp.ids = parg;
ret = 1;
break;
case SSL_CTRL_GET_TLSEXT_STATUS_REQ_OCSP_RESP:
*(unsigned char **)parg = sc->ext.ocsp.resp;
if (sc->ext.ocsp.resp_len == 0
|| sc->ext.ocsp.resp_len > LONG_MAX)
return -1;
return (long)sc->ext.ocsp.resp_len;
case SSL_CTRL_SET_TLSEXT_STATUS_REQ_OCSP_RESP:
OPENSSL_free(sc->ext.ocsp.resp);
sc->ext.ocsp.resp = parg;
sc->ext.ocsp.resp_len = larg;
ret = 1;
break;
case SSL_CTRL_CHAIN:
if (larg)
return ssl_cert_set1_chain(sc, NULL, (STACK_OF(X509) *)parg);
else
return ssl_cert_set0_chain(sc, NULL, (STACK_OF(X509) *)parg);
case SSL_CTRL_CHAIN_CERT:
if (larg)
return ssl_cert_add1_chain_cert(sc, NULL, (X509 *)parg);
else
return ssl_cert_add0_chain_cert(sc, NULL, (X509 *)parg);
case SSL_CTRL_GET_CHAIN_CERTS:
*(STACK_OF(X509) **)parg = sc->cert->key->chain;
ret = 1;
break;
case SSL_CTRL_SELECT_CURRENT_CERT:
return ssl_cert_select_current(sc->cert, (X509 *)parg);
case SSL_CTRL_SET_CURRENT_CERT:
if (larg == SSL_CERT_SET_SERVER) {
const SSL_CIPHER *cipher;
if (!sc->server)
return 0;
cipher = sc->s3.tmp.new_cipher;
if (cipher == NULL)
return 0;
if (cipher->algorithm_auth & (SSL_aNULL | SSL_aSRP))
return 2;
if (sc->s3.tmp.cert == NULL)
return 0;
sc->cert->key = sc->s3.tmp.cert;
return 1;
}
return ssl_cert_set_current(sc->cert, larg);
case SSL_CTRL_GET_GROUPS:
{
uint16_t *clist;
size_t clistlen;
if (!sc->session)
return 0;
clist = sc->ext.peer_supportedgroups;
clistlen = sc->ext.peer_supportedgroups_len;
if (parg) {
size_t i;
int *cptr = parg;
for (i = 0; i < clistlen; i++) {
const TLS_GROUP_INFO *cinf
= tls1_group_id_lookup(s->ctx, clist[i]);
if (cinf != NULL)
cptr[i] = tls1_group_id2nid(cinf->group_id, 1);
else
cptr[i] = TLSEXT_nid_unknown | clist[i];
}
}
return (int)clistlen;
}
case SSL_CTRL_SET_GROUPS:
return tls1_set_groups(&sc->ext.supportedgroups,
&sc->ext.supportedgroups_len, parg, larg);
case SSL_CTRL_SET_GROUPS_LIST:
return tls1_set_groups_list(s->ctx, &sc->ext.supportedgroups,
&sc->ext.supportedgroups_len, parg);
case SSL_CTRL_GET_SHARED_GROUP:
{
uint16_t id = tls1_shared_group(sc, larg);
if (larg != -1)
return tls1_group_id2nid(id, 1);
return id;
}
case SSL_CTRL_GET_NEGOTIATED_GROUP:
{
unsigned int id;
if (SSL_CONNECTION_IS_TLS13(sc) && sc->s3.did_kex)
id = sc->s3.group_id;
else
id = sc->session->kex_group;
ret = tls1_group_id2nid(id, 1);
break;
}
case SSL_CTRL_SET_SIGALGS:
return tls1_set_sigalgs(sc->cert, parg, larg, 0);
case SSL_CTRL_SET_SIGALGS_LIST:
return tls1_set_sigalgs_list(s->ctx, sc->cert, parg, 0);
case SSL_CTRL_SET_CLIENT_SIGALGS:
return tls1_set_sigalgs(sc->cert, parg, larg, 1);
case SSL_CTRL_SET_CLIENT_SIGALGS_LIST:
return tls1_set_sigalgs_list(s->ctx, sc->cert, parg, 1);
case SSL_CTRL_GET_CLIENT_CERT_TYPES:
{
const unsigned char **pctype = parg;
if (sc->server || !sc->s3.tmp.cert_req)
return 0;
if (pctype)
*pctype = sc->s3.tmp.ctype;
return sc->s3.tmp.ctype_len;
}
case SSL_CTRL_SET_CLIENT_CERT_TYPES:
if (!sc->server)
return 0;
return ssl3_set_req_cert_type(sc->cert, parg, larg);
case SSL_CTRL_BUILD_CERT_CHAIN:
return ssl_build_cert_chain(sc, NULL, larg);
case SSL_CTRL_SET_VERIFY_CERT_STORE:
return ssl_cert_set_cert_store(sc->cert, parg, 0, larg);
case SSL_CTRL_SET_CHAIN_CERT_STORE:
return ssl_cert_set_cert_store(sc->cert, parg, 1, larg);
case SSL_CTRL_GET_VERIFY_CERT_STORE:
return ssl_cert_get_cert_store(sc->cert, parg, 0);
case SSL_CTRL_GET_CHAIN_CERT_STORE:
return ssl_cert_get_cert_store(sc->cert, parg, 1);
case SSL_CTRL_GET_PEER_SIGNATURE_NID:
if (sc->s3.tmp.peer_sigalg == NULL)
return 0;
*(int *)parg = sc->s3.tmp.peer_sigalg->hash;
return 1;
case SSL_CTRL_GET_SIGNATURE_NID:
if (sc->s3.tmp.sigalg == NULL)
return 0;
*(int *)parg = sc->s3.tmp.sigalg->hash;
return 1;
case SSL_CTRL_GET_PEER_TMP_KEY:
if (sc->session == NULL || sc->s3.peer_tmp == NULL) {
return 0;
} else {
EVP_PKEY_up_ref(sc->s3.peer_tmp);
*(EVP_PKEY **)parg = sc->s3.peer_tmp;
return 1;
}
case SSL_CTRL_GET_TMP_KEY:
if (sc->session == NULL || sc->s3.tmp.pkey == NULL) {
return 0;
} else {
EVP_PKEY_up_ref(sc->s3.tmp.pkey);
*(EVP_PKEY **)parg = sc->s3.tmp.pkey;
return 1;
}
case SSL_CTRL_GET_EC_POINT_FORMATS:
{
const unsigned char **pformat = parg;
if (sc->ext.peer_ecpointformats == NULL)
return 0;
*pformat = sc->ext.peer_ecpointformats;
return (int)sc->ext.peer_ecpointformats_len;
}
case SSL_CTRL_GET_IANA_GROUPS:
{
if (parg != NULL) {
*(uint16_t **)parg = (uint16_t *)sc->ext.peer_supportedgroups;
}
return (int)sc->ext.peer_supportedgroups_len;
}
case SSL_CTRL_SET_MSG_CALLBACK_ARG:
sc->msg_callback_arg = parg;
return 1;
default:
break;
}
return ret;
}
long ssl3_callback_ctrl(SSL *s, int cmd, void (*fp) (void))
{
int ret = 0;
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return ret;
switch (cmd) {
#if !defined(OPENSSL_NO_DEPRECATED_3_0)
case SSL_CTRL_SET_TMP_DH_CB:
sc->cert->dh_tmp_cb = (DH *(*)(SSL *, int, int))fp;
ret = 1;
break;
#endif
case SSL_CTRL_SET_TLSEXT_DEBUG_CB:
sc->ext.debug_cb = (void (*)(SSL *, int, int,
const unsigned char *, int, void *))fp;
ret = 1;
break;
case SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB:
sc->not_resumable_session_cb = (int (*)(SSL *, int))fp;
ret = 1;
break;
case SSL_CTRL_SET_MSG_CALLBACK:
sc->msg_callback = (ossl_msg_cb)fp;
return 1;
default:
break;
}
return ret;
}
long ssl3_ctx_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg)
{
switch (cmd) {
#if !defined(OPENSSL_NO_DEPRECATED_3_0)
case SSL_CTRL_SET_TMP_DH:
{
EVP_PKEY *pkdh = NULL;
if (parg == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_NULL_PARAMETER);
return 0;
}
pkdh = ssl_dh_to_pkey(parg);
if (pkdh == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_DH_LIB);
return 0;
}
if (!SSL_CTX_set0_tmp_dh_pkey(ctx, pkdh)) {
EVP_PKEY_free(pkdh);
return 0;
}
return 1;
}
case SSL_CTRL_SET_TMP_DH_CB:
{
ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
return 0;
}
#endif
case SSL_CTRL_SET_DH_AUTO:
ctx->cert->dh_tmp_auto = larg;
return 1;
#if !defined(OPENSSL_NO_DEPRECATED_3_0)
case SSL_CTRL_SET_TMP_ECDH:
{
if (parg == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_NULL_PARAMETER);
return 0;
}
return ssl_set_tmp_ecdh_groups(&ctx->ext.supportedgroups,
&ctx->ext.supportedgroups_len,
parg);
}
#endif
case SSL_CTRL_SET_TLSEXT_SERVERNAME_ARG:
ctx->ext.servername_arg = parg;
break;
case SSL_CTRL_SET_TLSEXT_TICKET_KEYS:
case SSL_CTRL_GET_TLSEXT_TICKET_KEYS:
{
unsigned char *keys = parg;
long tick_keylen = (sizeof(ctx->ext.tick_key_name) +
sizeof(ctx->ext.secure->tick_hmac_key) +
sizeof(ctx->ext.secure->tick_aes_key));
if (keys == NULL)
return tick_keylen;
if (larg != tick_keylen) {
ERR_raise(ERR_LIB_SSL, SSL_R_INVALID_TICKET_KEYS_LENGTH);
return 0;
}
if (cmd == SSL_CTRL_SET_TLSEXT_TICKET_KEYS) {
memcpy(ctx->ext.tick_key_name, keys,
sizeof(ctx->ext.tick_key_name));
memcpy(ctx->ext.secure->tick_hmac_key,
keys + sizeof(ctx->ext.tick_key_name),
sizeof(ctx->ext.secure->tick_hmac_key));
memcpy(ctx->ext.secure->tick_aes_key,
keys + sizeof(ctx->ext.tick_key_name) +
sizeof(ctx->ext.secure->tick_hmac_key),
sizeof(ctx->ext.secure->tick_aes_key));
} else {
memcpy(keys, ctx->ext.tick_key_name,
sizeof(ctx->ext.tick_key_name));
memcpy(keys + sizeof(ctx->ext.tick_key_name),
ctx->ext.secure->tick_hmac_key,
sizeof(ctx->ext.secure->tick_hmac_key));
memcpy(keys + sizeof(ctx->ext.tick_key_name) +
sizeof(ctx->ext.secure->tick_hmac_key),
ctx->ext.secure->tick_aes_key,
sizeof(ctx->ext.secure->tick_aes_key));
}
return 1;
}
case SSL_CTRL_GET_TLSEXT_STATUS_REQ_TYPE:
return ctx->ext.status_type;
case SSL_CTRL_SET_TLSEXT_STATUS_REQ_TYPE:
ctx->ext.status_type = larg;
break;
case SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB_ARG:
ctx->ext.status_arg = parg;
return 1;
case SSL_CTRL_GET_TLSEXT_STATUS_REQ_CB_ARG:
*(void**)parg = ctx->ext.status_arg;
break;
case SSL_CTRL_GET_TLSEXT_STATUS_REQ_CB:
*(int (**)(SSL*, void*))parg = ctx->ext.status_cb;
break;
#ifndef OPENSSL_NO_SRP
case SSL_CTRL_SET_TLS_EXT_SRP_USERNAME:
ctx->srp_ctx.srp_Mask |= SSL_kSRP;
OPENSSL_free(ctx->srp_ctx.login);
ctx->srp_ctx.login = NULL;
if (parg == NULL)
break;
if (strlen((const char *)parg) > 255 || strlen((const char *)parg) < 1) {
ERR_raise(ERR_LIB_SSL, SSL_R_INVALID_SRP_USERNAME);
return 0;
}
if ((ctx->srp_ctx.login = OPENSSL_strdup((char *)parg)) == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
return 0;
}
break;
case SSL_CTRL_SET_TLS_EXT_SRP_PASSWORD:
ctx->srp_ctx.SRP_give_srp_client_pwd_callback =
srp_password_from_info_cb;
if (ctx->srp_ctx.info != NULL)
OPENSSL_free(ctx->srp_ctx.info);
if ((ctx->srp_ctx.info = OPENSSL_strdup((char *)parg)) == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
return 0;
}
break;
case SSL_CTRL_SET_SRP_ARG:
ctx->srp_ctx.srp_Mask |= SSL_kSRP;
ctx->srp_ctx.SRP_cb_arg = parg;
break;
case SSL_CTRL_SET_TLS_EXT_SRP_STRENGTH:
ctx->srp_ctx.strength = larg;
break;
#endif
case SSL_CTRL_SET_GROUPS:
return tls1_set_groups(&ctx->ext.supportedgroups,
&ctx->ext.supportedgroups_len,
parg, larg);
case SSL_CTRL_SET_GROUPS_LIST:
return tls1_set_groups_list(ctx, &ctx->ext.supportedgroups,
&ctx->ext.supportedgroups_len,
parg);
case SSL_CTRL_SET_SIGALGS:
return tls1_set_sigalgs(ctx->cert, parg, larg, 0);
case SSL_CTRL_SET_SIGALGS_LIST:
return tls1_set_sigalgs_list(ctx, ctx->cert, parg, 0);
case SSL_CTRL_SET_CLIENT_SIGALGS:
return tls1_set_sigalgs(ctx->cert, parg, larg, 1);
case SSL_CTRL_SET_CLIENT_SIGALGS_LIST:
return tls1_set_sigalgs_list(ctx, ctx->cert, parg, 1);
case SSL_CTRL_SET_CLIENT_CERT_TYPES:
return ssl3_set_req_cert_type(ctx->cert, parg, larg);
case SSL_CTRL_BUILD_CERT_CHAIN:
return ssl_build_cert_chain(NULL, ctx, larg);
case SSL_CTRL_SET_VERIFY_CERT_STORE:
return ssl_cert_set_cert_store(ctx->cert, parg, 0, larg);
case SSL_CTRL_SET_CHAIN_CERT_STORE:
return ssl_cert_set_cert_store(ctx->cert, parg, 1, larg);
case SSL_CTRL_GET_VERIFY_CERT_STORE:
return ssl_cert_get_cert_store(ctx->cert, parg, 0);
case SSL_CTRL_GET_CHAIN_CERT_STORE:
return ssl_cert_get_cert_store(ctx->cert, parg, 1);
case SSL_CTRL_EXTRA_CHAIN_CERT:
if (ctx->extra_certs == NULL) {
if ((ctx->extra_certs = sk_X509_new_null()) == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB);
return 0;
}
}
if (!sk_X509_push(ctx->extra_certs, (X509 *)parg)) {
ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB);
return 0;
}
break;
case SSL_CTRL_GET_EXTRA_CHAIN_CERTS:
if (ctx->extra_certs == NULL && larg == 0)
*(STACK_OF(X509) **)parg = ctx->cert->key->chain;
else
*(STACK_OF(X509) **)parg = ctx->extra_certs;
break;
case SSL_CTRL_CLEAR_EXTRA_CHAIN_CERTS:
OSSL_STACK_OF_X509_free(ctx->extra_certs);
ctx->extra_certs = NULL;
break;
case SSL_CTRL_CHAIN:
if (larg)
return ssl_cert_set1_chain(NULL, ctx, (STACK_OF(X509) *)parg);
else
return ssl_cert_set0_chain(NULL, ctx, (STACK_OF(X509) *)parg);
case SSL_CTRL_CHAIN_CERT:
if (larg)
return ssl_cert_add1_chain_cert(NULL, ctx, (X509 *)parg);
else
return ssl_cert_add0_chain_cert(NULL, ctx, (X509 *)parg);
case SSL_CTRL_GET_CHAIN_CERTS:
*(STACK_OF(X509) **)parg = ctx->cert->key->chain;
break;
case SSL_CTRL_SELECT_CURRENT_CERT:
return ssl_cert_select_current(ctx->cert, (X509 *)parg);
case SSL_CTRL_SET_CURRENT_CERT:
return ssl_cert_set_current(ctx->cert, larg);
default:
return 0;
}
return 1;
}
long ssl3_ctx_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp) (void))
{
switch (cmd) {
#if !defined(OPENSSL_NO_DEPRECATED_3_0)
case SSL_CTRL_SET_TMP_DH_CB:
{
ctx->cert->dh_tmp_cb = (DH *(*)(SSL *, int, int))fp;
}
break;
#endif
case SSL_CTRL_SET_TLSEXT_SERVERNAME_CB:
ctx->ext.servername_cb = (int (*)(SSL *, int *, void *))fp;
break;
case SSL_CTRL_SET_TLSEXT_STATUS_REQ_CB:
ctx->ext.status_cb = (int (*)(SSL *, void *))fp;
break;
# ifndef OPENSSL_NO_DEPRECATED_3_0
case SSL_CTRL_SET_TLSEXT_TICKET_KEY_CB:
ctx->ext.ticket_key_cb = (int (*)(SSL *, unsigned char *,
unsigned char *,
EVP_CIPHER_CTX *,
HMAC_CTX *, int))fp;
break;
#endif
#ifndef OPENSSL_NO_SRP
case SSL_CTRL_SET_SRP_VERIFY_PARAM_CB:
ctx->srp_ctx.srp_Mask |= SSL_kSRP;
ctx->srp_ctx.SRP_verify_param_callback = (int (*)(SSL *, void *))fp;
break;
case SSL_CTRL_SET_TLS_EXT_SRP_USERNAME_CB:
ctx->srp_ctx.srp_Mask |= SSL_kSRP;
ctx->srp_ctx.TLS_ext_srp_username_callback =
(int (*)(SSL *, int *, void *))fp;
break;
case SSL_CTRL_SET_SRP_GIVE_CLIENT_PWD_CB:
ctx->srp_ctx.srp_Mask |= SSL_kSRP;
ctx->srp_ctx.SRP_give_srp_client_pwd_callback =
(char *(*)(SSL *, void *))fp;
break;
#endif
case SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB:
{
ctx->not_resumable_session_cb = (int (*)(SSL *, int))fp;
}
break;
default:
return 0;
}
return 1;
}
int SSL_CTX_set_tlsext_ticket_key_evp_cb
(SSL_CTX *ctx, int (*fp)(SSL *, unsigned char *, unsigned char *,
EVP_CIPHER_CTX *, EVP_MAC_CTX *, int))
{
ctx->ext.ticket_key_evp_cb = fp;
return 1;
}
const SSL_CIPHER *ssl3_get_cipher_by_id(uint32_t id)
{
SSL_CIPHER c;
const SSL_CIPHER *cp;
c.id = id;
cp = OBJ_bsearch_ssl_cipher_id(&c, tls13_ciphers, TLS13_NUM_CIPHERS);
if (cp != NULL)
return cp;
cp = OBJ_bsearch_ssl_cipher_id(&c, ssl3_ciphers, SSL3_NUM_CIPHERS);
if (cp != NULL)
return cp;
return OBJ_bsearch_ssl_cipher_id(&c, ssl3_scsvs, SSL3_NUM_SCSVS);
}
const SSL_CIPHER *ssl3_get_cipher_by_std_name(const char *stdname)
{
SSL_CIPHER *tbl;
SSL_CIPHER *alltabs[] = {tls13_ciphers, ssl3_ciphers, ssl3_scsvs};
size_t i, j, tblsize[] = {TLS13_NUM_CIPHERS, SSL3_NUM_CIPHERS,
SSL3_NUM_SCSVS};
for (j = 0; j < OSSL_NELEM(alltabs); j++) {
for (i = 0, tbl = alltabs[j]; i < tblsize[j]; i++, tbl++) {
if (tbl->stdname == NULL)
continue;
if (strcmp(stdname, tbl->stdname) == 0) {
return tbl;
}
}
}
return NULL;
}
const SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p)
{
return ssl3_get_cipher_by_id(SSL3_CK_CIPHERSUITE_FLAG
| ((uint32_t)p[0] << 8L)
| (uint32_t)p[1]);
}
int ssl3_put_cipher_by_char(const SSL_CIPHER *c, WPACKET *pkt, size_t *len)
{
if ((c->id & 0xff000000) != SSL3_CK_CIPHERSUITE_FLAG) {
*len = 0;
return 1;
}
if (!WPACKET_put_bytes_u16(pkt, c->id & 0xffff))
return 0;
*len = 2;
return 1;
}
const SSL_CIPHER *ssl3_choose_cipher(SSL_CONNECTION *s, STACK_OF(SSL_CIPHER) *clnt,
STACK_OF(SSL_CIPHER) *srvr)
{
const SSL_CIPHER *c, *ret = NULL;
STACK_OF(SSL_CIPHER) *prio, *allow;
int i, ii, ok, prefer_sha256 = 0;
unsigned long alg_k = 0, alg_a = 0, mask_k = 0, mask_a = 0;
STACK_OF(SSL_CIPHER) *prio_chacha = NULL;
OSSL_TRACE_BEGIN(TLS_CIPHER) {
BIO_printf(trc_out, "Server has %d from %p:\n",
sk_SSL_CIPHER_num(srvr), (void *)srvr);
for (i = 0; i < sk_SSL_CIPHER_num(srvr); ++i) {
c = sk_SSL_CIPHER_value(srvr, i);
BIO_printf(trc_out, "%p:%s\n", (void *)c, c->name);
}
BIO_printf(trc_out, "Client sent %d from %p:\n",
sk_SSL_CIPHER_num(clnt), (void *)clnt);
for (i = 0; i < sk_SSL_CIPHER_num(clnt); ++i) {
c = sk_SSL_CIPHER_value(clnt, i);
BIO_printf(trc_out, "%p:%s\n", (void *)c, c->name);
}
} OSSL_TRACE_END(TLS_CIPHER);
if (tls1_suiteb(s)) {
prio = srvr;
allow = clnt;
} else if (s->options & SSL_OP_CIPHER_SERVER_PREFERENCE) {
prio = srvr;
allow = clnt;
if (s->options & SSL_OP_PRIORITIZE_CHACHA && sk_SSL_CIPHER_num(clnt) > 0) {
c = sk_SSL_CIPHER_value(clnt, 0);
if (c->algorithm_enc == SSL_CHACHA20POLY1305) {
int num = sk_SSL_CIPHER_num(srvr);
int found = 0;
for (i = 0; i < num; i++) {
c = sk_SSL_CIPHER_value(srvr, i);
if (c->algorithm_enc == SSL_CHACHA20POLY1305) {
found = 1;
break;
}
}
if (found) {
prio_chacha = sk_SSL_CIPHER_new_reserve(NULL, num);
if (prio_chacha != NULL) {
sk_SSL_CIPHER_push(prio_chacha, c);
for (i++; i < num; i++) {
c = sk_SSL_CIPHER_value(srvr, i);
if (c->algorithm_enc == SSL_CHACHA20POLY1305)
sk_SSL_CIPHER_push(prio_chacha, c);
}
for (i = 0; i < num; i++) {
c = sk_SSL_CIPHER_value(srvr, i);
if (c->algorithm_enc != SSL_CHACHA20POLY1305)
sk_SSL_CIPHER_push(prio_chacha, c);
}
prio = prio_chacha;
}
}
}
}
} else {
prio = clnt;
allow = srvr;
}
if (SSL_CONNECTION_IS_TLS13(s)) {
#ifndef OPENSSL_NO_PSK
size_t j;
if (s->psk_server_callback != NULL) {
for (j = 0; j < s->ssl_pkey_num && !ssl_has_cert(s, j); j++);
if (j == s->ssl_pkey_num) {
prefer_sha256 = 1;
}
}
#endif
} else {
tls1_set_cert_validity(s);
ssl_set_masks(s);
}
for (i = 0; i < sk_SSL_CIPHER_num(prio); i++) {
int minversion, maxversion;
c = sk_SSL_CIPHER_value(prio, i);
minversion = SSL_CONNECTION_IS_DTLS(s) ? c->min_dtls : c->min_tls;
maxversion = SSL_CONNECTION_IS_DTLS(s) ? c->max_dtls : c->max_tls;
if (ssl_version_cmp(s, s->version, minversion) < 0
|| ssl_version_cmp(s, s->version, maxversion) > 0)
continue;
if (!SSL_CONNECTION_IS_TLS13(s)) {
mask_k = s->s3.tmp.mask_k;
mask_a = s->s3.tmp.mask_a;
#ifndef OPENSSL_NO_SRP
if (s->srp_ctx.srp_Mask & SSL_kSRP) {
mask_k |= SSL_kSRP;
mask_a |= SSL_aSRP;
}
#endif
alg_k = c->algorithm_mkey;
alg_a = c->algorithm_auth;
#ifndef OPENSSL_NO_PSK
if ((alg_k & SSL_PSK) && s->psk_server_callback == NULL)
continue;
#endif
ok = (alg_k & mask_k) && (alg_a & mask_a);
OSSL_TRACE7(TLS_CIPHER,
"%d:[%08lX:%08lX:%08lX:%08lX]%p:%s\n",
ok, alg_k, alg_a, mask_k, mask_a, (void *)c, c->name);
if (alg_k & SSL_kECDHE)
ok = ok && tls1_check_ec_tmp_key(s, c->id);
if (!ok)
continue;
}
ii = sk_SSL_CIPHER_find(allow, c);
if (ii >= 0) {
if (!ssl_security(s, SSL_SECOP_CIPHER_SHARED,
c->strength_bits, 0, (void *)c))
continue;
if ((alg_k & SSL_kECDHE) && (alg_a & SSL_aECDSA)
&& s->s3.is_probably_safari) {
if (!ret)
ret = sk_SSL_CIPHER_value(allow, ii);
continue;
}
if (prefer_sha256) {
const SSL_CIPHER *tmp = sk_SSL_CIPHER_value(allow, ii);
const EVP_MD *md = ssl_md(SSL_CONNECTION_GET_CTX(s),
tmp->algorithm2);
if (md != NULL
&& EVP_MD_is_a(md, OSSL_DIGEST_NAME_SHA2_256)) {
ret = tmp;
break;
}
if (ret == NULL)
ret = tmp;
continue;
}
ret = sk_SSL_CIPHER_value(allow, ii);
break;
}
}
sk_SSL_CIPHER_free(prio_chacha);
return ret;
}
int ssl3_get_req_cert_type(SSL_CONNECTION *s, WPACKET *pkt)
{
uint32_t alg_k, alg_a = 0;
if (s->cert->ctype)
return WPACKET_memcpy(pkt, s->cert->ctype, s->cert->ctype_len);
ssl_set_sig_mask(&alg_a, s, SSL_SECOP_SIGALG_MASK);
alg_k = s->s3.tmp.new_cipher->algorithm_mkey;
#ifndef OPENSSL_NO_GOST
if (s->version >= TLS1_VERSION && (alg_k & SSL_kGOST))
if (!WPACKET_put_bytes_u8(pkt, TLS_CT_GOST01_SIGN)
|| !WPACKET_put_bytes_u8(pkt, TLS_CT_GOST12_IANA_SIGN)
|| !WPACKET_put_bytes_u8(pkt, TLS_CT_GOST12_IANA_512_SIGN)
|| !WPACKET_put_bytes_u8(pkt, TLS_CT_GOST12_LEGACY_SIGN)
|| !WPACKET_put_bytes_u8(pkt, TLS_CT_GOST12_LEGACY_512_SIGN))
return 0;
if (s->version >= TLS1_2_VERSION && (alg_k & SSL_kGOST18))
if (!WPACKET_put_bytes_u8(pkt, TLS_CT_GOST12_IANA_SIGN)
|| !WPACKET_put_bytes_u8(pkt, TLS_CT_GOST12_IANA_512_SIGN))
return 0;
#endif
if ((s->version == SSL3_VERSION) && (alg_k & SSL_kDHE)) {
if (!WPACKET_put_bytes_u8(pkt, SSL3_CT_RSA_EPHEMERAL_DH))
return 0;
if (!(alg_a & SSL_aDSS)
&& !WPACKET_put_bytes_u8(pkt, SSL3_CT_DSS_EPHEMERAL_DH))
return 0;
}
if (!(alg_a & SSL_aRSA) && !WPACKET_put_bytes_u8(pkt, SSL3_CT_RSA_SIGN))
return 0;
if (!(alg_a & SSL_aDSS) && !WPACKET_put_bytes_u8(pkt, SSL3_CT_DSS_SIGN))
return 0;
if (s->version >= TLS1_VERSION
&& !(alg_a & SSL_aECDSA)
&& !WPACKET_put_bytes_u8(pkt, TLS_CT_ECDSA_SIGN))
return 0;
return 1;
}
static int ssl3_set_req_cert_type(CERT *c, const unsigned char *p, size_t len)
{
OPENSSL_free(c->ctype);
c->ctype = NULL;
c->ctype_len = 0;
if (p == NULL || len == 0)
return 1;
if (len > 0xff)
return 0;
c->ctype = OPENSSL_memdup(p, len);
if (c->ctype == NULL)
return 0;
c->ctype_len = len;
return 1;
}
int ssl3_shutdown(SSL *s)
{
int ret;
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s);
if (sc == NULL)
return 0;
if (sc->quiet_shutdown || SSL_in_before(s)) {
sc->shutdown = (SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN);
return 1;
}
if (!(sc->shutdown & SSL_SENT_SHUTDOWN)) {
sc->shutdown |= SSL_SENT_SHUTDOWN;
ssl3_send_alert(sc, SSL3_AL_WARNING, SSL_AD_CLOSE_NOTIFY);
if (sc->s3.alert_dispatch > 0)
return -1;
} else if (sc->s3.alert_dispatch > 0) {
ret = s->method->ssl_dispatch_alert(s);
if (ret == -1) {
return ret;
}
} else if (!(sc->shutdown & SSL_RECEIVED_SHUTDOWN)) {
size_t readbytes;
s->method->ssl_read_bytes(s, 0, NULL, NULL, 0, 0, &readbytes);
if (!(sc->shutdown & SSL_RECEIVED_SHUTDOWN)) {
return -1;
}
}
if ((sc->shutdown == (SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN))
&& sc->s3.alert_dispatch == SSL_ALERT_DISPATCH_NONE)
return 1;
else
return 0;
}
int ssl3_write(SSL *s, const void *buf, size_t len, size_t *written)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s);
if (sc == NULL)
return 0;
clear_sys_error();
if (sc->s3.renegotiate)
ssl3_renegotiate_check(s, 0);
return s->method->ssl_write_bytes(s, SSL3_RT_APPLICATION_DATA, buf, len,
written);
}
static int ssl3_read_internal(SSL *s, void *buf, size_t len, int peek,
size_t *readbytes)
{
int ret;
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s);
if (sc == NULL)
return 0;
clear_sys_error();
if (sc->s3.renegotiate)
ssl3_renegotiate_check(s, 0);
sc->s3.in_read_app_data = 1;
ret =
s->method->ssl_read_bytes(s, SSL3_RT_APPLICATION_DATA, NULL, buf, len,
peek, readbytes);
if ((ret == -1) && (sc->s3.in_read_app_data == 2)) {
ossl_statem_set_in_handshake(sc, 1);
ret =
s->method->ssl_read_bytes(s, SSL3_RT_APPLICATION_DATA, NULL, buf,
len, peek, readbytes);
ossl_statem_set_in_handshake(sc, 0);
} else
sc->s3.in_read_app_data = 0;
return ret;
}
int ssl3_read(SSL *s, void *buf, size_t len, size_t *readbytes)
{
return ssl3_read_internal(s, buf, len, 0, readbytes);
}
int ssl3_peek(SSL *s, void *buf, size_t len, size_t *readbytes)
{
return ssl3_read_internal(s, buf, len, 1, readbytes);
}
int ssl3_renegotiate(SSL *s)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s);
if (sc == NULL)
return 0;
if (sc->handshake_func == NULL)
return 1;
sc->s3.renegotiate = 1;
return 1;
}
int ssl3_renegotiate_check(SSL *s, int initok)
{
int ret = 0;
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s);
if (sc == NULL)
return 0;
if (sc->s3.renegotiate) {
if (!RECORD_LAYER_read_pending(&sc->rlayer)
&& !RECORD_LAYER_write_pending(&sc->rlayer)
&& (initok || !SSL_in_init(s))) {
ossl_statem_set_renegotiate(sc);
sc->s3.renegotiate = 0;
sc->s3.num_renegotiations++;
sc->s3.total_renegotiations++;
ret = 1;
}
}
return ret;
}
long ssl_get_algorithm2(SSL_CONNECTION *s)
{
long alg2;
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
if (s->s3.tmp.new_cipher == NULL)
return -1;
alg2 = s->s3.tmp.new_cipher->algorithm2;
if (ssl->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_SHA256_PRF) {
if (alg2 == (SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF))
return SSL_HANDSHAKE_MAC_SHA256 | TLS1_PRF_SHA256;
} else if (s->s3.tmp.new_cipher->algorithm_mkey & SSL_PSK) {
if (alg2 == (SSL_HANDSHAKE_MAC_SHA384 | TLS1_PRF_SHA384))
return SSL_HANDSHAKE_MAC_DEFAULT | TLS1_PRF;
}
return alg2;
}
int ssl_fill_hello_random(SSL_CONNECTION *s, int server,
unsigned char *result, size_t len,
DOWNGRADE dgrd)
{
int send_time = 0, ret;
if (len < 4)
return 0;
if (server)
send_time = (s->mode & SSL_MODE_SEND_SERVERHELLO_TIME) != 0;
else
send_time = (s->mode & SSL_MODE_SEND_CLIENTHELLO_TIME) != 0;
if (send_time) {
unsigned long Time = (unsigned long)time(NULL);
unsigned char *p = result;
l2n(Time, p);
ret = RAND_bytes_ex(SSL_CONNECTION_GET_CTX(s)->libctx, p, len - 4, 0);
} else {
ret = RAND_bytes_ex(SSL_CONNECTION_GET_CTX(s)->libctx, result, len, 0);
}
if (ret > 0) {
if (!ossl_assert(sizeof(tls11downgrade) < len)
|| !ossl_assert(sizeof(tls12downgrade) < len))
return 0;
if (dgrd == DOWNGRADE_TO_1_2)
memcpy(result + len - sizeof(tls12downgrade), tls12downgrade,
sizeof(tls12downgrade));
else if (dgrd == DOWNGRADE_TO_1_1)
memcpy(result + len - sizeof(tls11downgrade), tls11downgrade,
sizeof(tls11downgrade));
}
return ret;
}
int ssl_generate_master_secret(SSL_CONNECTION *s, unsigned char *pms,
size_t pmslen, int free_pms)
{
unsigned long alg_k = s->s3.tmp.new_cipher->algorithm_mkey;
int ret = 0;
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
if (alg_k & SSL_PSK) {
#ifndef OPENSSL_NO_PSK
unsigned char *pskpms, *t;
size_t psklen = s->s3.tmp.psklen;
size_t pskpmslen;
if (alg_k & SSL_kPSK)
pmslen = psklen;
pskpmslen = 4 + pmslen + psklen;
pskpms = OPENSSL_malloc(pskpmslen);
if (pskpms == NULL)
goto err;
t = pskpms;
s2n(pmslen, t);
if (alg_k & SSL_kPSK)
memset(t, 0, pmslen);
else
memcpy(t, pms, pmslen);
t += pmslen;
s2n(psklen, t);
memcpy(t, s->s3.tmp.psk, psklen);
OPENSSL_clear_free(s->s3.tmp.psk, psklen);
s->s3.tmp.psk = NULL;
s->s3.tmp.psklen = 0;
if (!ssl->method->ssl3_enc->generate_master_secret(s,
s->session->master_key, pskpms, pskpmslen,
&s->session->master_key_length)) {
OPENSSL_clear_free(pskpms, pskpmslen);
goto err;
}
OPENSSL_clear_free(pskpms, pskpmslen);
#else
goto err;
#endif
} else {
if (!ssl->method->ssl3_enc->generate_master_secret(s,
s->session->master_key, pms, pmslen,
&s->session->master_key_length)) {
goto err;
}
}
ret = 1;
err:
if (pms) {
if (free_pms)
OPENSSL_clear_free(pms, pmslen);
else
OPENSSL_cleanse(pms, pmslen);
}
if (s->server == 0) {
s->s3.tmp.pms = NULL;
s->s3.tmp.pmslen = 0;
}
return ret;
}
EVP_PKEY *ssl_generate_pkey(SSL_CONNECTION *s, EVP_PKEY *pm)
{
EVP_PKEY_CTX *pctx = NULL;
EVP_PKEY *pkey = NULL;
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
if (pm == NULL)
return NULL;
pctx = EVP_PKEY_CTX_new_from_pkey(sctx->libctx, pm, sctx->propq);
if (pctx == NULL)
goto err;
if (EVP_PKEY_keygen_init(pctx) <= 0)
goto err;
if (EVP_PKEY_keygen(pctx, &pkey) <= 0) {
EVP_PKEY_free(pkey);
pkey = NULL;
}
err:
EVP_PKEY_CTX_free(pctx);
return pkey;
}
EVP_PKEY *ssl_generate_pkey_group(SSL_CONNECTION *s, uint16_t id)
{
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
const TLS_GROUP_INFO *ginf = tls1_group_id_lookup(sctx, id);
EVP_PKEY_CTX *pctx = NULL;
EVP_PKEY *pkey = NULL;
if (ginf == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
pctx = EVP_PKEY_CTX_new_from_name(sctx->libctx, ginf->algorithm,
sctx->propq);
if (pctx == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB);
goto err;
}
if (EVP_PKEY_keygen_init(pctx) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB);
goto err;
}
if (EVP_PKEY_CTX_set_group_name(pctx, ginf->realname) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB);
goto err;
}
if (EVP_PKEY_keygen(pctx, &pkey) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB);
EVP_PKEY_free(pkey);
pkey = NULL;
}
err:
EVP_PKEY_CTX_free(pctx);
return pkey;
}
EVP_PKEY *ssl_generate_param_group(SSL_CONNECTION *s, uint16_t id)
{
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
EVP_PKEY_CTX *pctx = NULL;
EVP_PKEY *pkey = NULL;
const TLS_GROUP_INFO *ginf = tls1_group_id_lookup(sctx, id);
if (ginf == NULL)
goto err;
pctx = EVP_PKEY_CTX_new_from_name(sctx->libctx, ginf->algorithm,
sctx->propq);
if (pctx == NULL)
goto err;
if (EVP_PKEY_paramgen_init(pctx) <= 0)
goto err;
if (EVP_PKEY_CTX_set_group_name(pctx, ginf->realname) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB);
goto err;
}
if (EVP_PKEY_paramgen(pctx, &pkey) <= 0) {
EVP_PKEY_free(pkey);
pkey = NULL;
}
err:
EVP_PKEY_CTX_free(pctx);
return pkey;
}
int ssl_gensecret(SSL_CONNECTION *s, unsigned char *pms, size_t pmslen)
{
int rv = 0;
if (SSL_CONNECTION_IS_TLS13(s)) {
if (!s->hit)
rv = tls13_generate_secret(s, ssl_handshake_md(s), NULL, NULL,
0,
(unsigned char *)&s->early_secret);
else
rv = 1;
rv = rv && tls13_generate_handshake_secret(s, pms, pmslen);
} else {
rv = ssl_generate_master_secret(s, pms, pmslen, 0);
}
return rv;
}
int ssl_derive(SSL_CONNECTION *s, EVP_PKEY *privkey, EVP_PKEY *pubkey, int gensecret)
{
int rv = 0;
unsigned char *pms = NULL;
size_t pmslen = 0;
EVP_PKEY_CTX *pctx;
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
if (privkey == NULL || pubkey == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
pctx = EVP_PKEY_CTX_new_from_pkey(sctx->libctx, privkey, sctx->propq);
if (EVP_PKEY_derive_init(pctx) <= 0
|| EVP_PKEY_derive_set_peer(pctx, pubkey) <= 0
|| EVP_PKEY_derive(pctx, NULL, &pmslen) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
if (SSL_CONNECTION_IS_TLS13(s) && EVP_PKEY_is_a(privkey, "DH"))
EVP_PKEY_CTX_set_dh_pad(pctx, 1);
pms = OPENSSL_malloc(pmslen);
if (pms == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CRYPTO_LIB);
goto err;
}
if (EVP_PKEY_derive(pctx, pms, &pmslen) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
if (gensecret) {
rv = ssl_gensecret(s, pms, pmslen);
} else {
s->s3.tmp.pms = pms;
s->s3.tmp.pmslen = pmslen;
pms = NULL;
rv = 1;
}
err:
OPENSSL_clear_free(pms, pmslen);
EVP_PKEY_CTX_free(pctx);
return rv;
}
int ssl_decapsulate(SSL_CONNECTION *s, EVP_PKEY *privkey,
const unsigned char *ct, size_t ctlen,
int gensecret)
{
int rv = 0;
unsigned char *pms = NULL;
size_t pmslen = 0;
EVP_PKEY_CTX *pctx;
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
if (privkey == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
pctx = EVP_PKEY_CTX_new_from_pkey(sctx->libctx, privkey, sctx->propq);
if (EVP_PKEY_decapsulate_init(pctx, NULL) <= 0
|| EVP_PKEY_decapsulate(pctx, NULL, &pmslen, ct, ctlen) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
pms = OPENSSL_malloc(pmslen);
if (pms == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CRYPTO_LIB);
goto err;
}
if (EVP_PKEY_decapsulate(pctx, pms, &pmslen, ct, ctlen) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
if (gensecret) {
rv = ssl_gensecret(s, pms, pmslen);
} else {
s->s3.tmp.pms = pms;
s->s3.tmp.pmslen = pmslen;
pms = NULL;
rv = 1;
}
err:
OPENSSL_clear_free(pms, pmslen);
EVP_PKEY_CTX_free(pctx);
return rv;
}
int ssl_encapsulate(SSL_CONNECTION *s, EVP_PKEY *pubkey,
unsigned char **ctp, size_t *ctlenp,
int gensecret)
{
int rv = 0;
unsigned char *pms = NULL, *ct = NULL;
size_t pmslen = 0, ctlen = 0;
EVP_PKEY_CTX *pctx;
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
if (pubkey == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
pctx = EVP_PKEY_CTX_new_from_pkey(sctx->libctx, pubkey, sctx->propq);
if (EVP_PKEY_encapsulate_init(pctx, NULL) <= 0
|| EVP_PKEY_encapsulate(pctx, NULL, &ctlen, NULL, &pmslen) <= 0
|| pmslen == 0 || ctlen == 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
pms = OPENSSL_malloc(pmslen);
ct = OPENSSL_malloc(ctlen);
if (pms == NULL || ct == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CRYPTO_LIB);
goto err;
}
if (EVP_PKEY_encapsulate(pctx, ct, &ctlen, pms, &pmslen) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
if (gensecret) {
rv = ssl_gensecret(s, pms, pmslen);
} else {
s->s3.tmp.pms = pms;
s->s3.tmp.pmslen = pmslen;
pms = NULL;
rv = 1;
}
if (rv > 0) {
*ctp = ct;
*ctlenp = ctlen;
ct = NULL;
}
err:
OPENSSL_clear_free(pms, pmslen);
OPENSSL_free(ct);
EVP_PKEY_CTX_free(pctx);
return rv;
}
const char *SSL_get0_group_name(SSL *s)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
unsigned int id;
if (sc == NULL)
return NULL;
if (SSL_CONNECTION_IS_TLS13(sc) && sc->s3.did_kex)
id = sc->s3.group_id;
else
id = sc->session->kex_group;
return tls1_group_id2name(s->ctx, id);
}
const char *SSL_group_to_name(SSL *s, int nid) {
int group_id = 0;
const TLS_GROUP_INFO *cinf = NULL;
if (nid & TLSEXT_nid_unknown)
group_id = nid & 0xFFFF;
else
group_id = tls1_nid2group_id(nid);
cinf = tls1_group_id_lookup(s->ctx, group_id);
if (cinf != NULL)
return cinf->tlsname;
return NULL;
}
| ssl | openssl/ssl/s3_lib.c | openssl |
#include <stdio.h>
#include "ssl_local.h"
#include <openssl/evp.h>
#include <openssl/md5.h>
#include <openssl/core_names.h>
#include "internal/cryptlib.h"
static int ssl3_generate_key_block(SSL_CONNECTION *s, unsigned char *km, int num)
{
const EVP_MD *md5 = NULL, *sha1 = NULL;
EVP_MD_CTX *m5;
EVP_MD_CTX *s1;
unsigned char buf[16], smd[SHA_DIGEST_LENGTH];
unsigned char c = 'A';
unsigned int i, k;
int ret = 0;
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
#ifdef CHARSET_EBCDIC
c = os_toascii[c];
#endif
k = 0;
md5 = ssl_evp_md_fetch(sctx->libctx, NID_md5, sctx->propq);
sha1 = ssl_evp_md_fetch(sctx->libctx, NID_sha1, sctx->propq);
m5 = EVP_MD_CTX_new();
s1 = EVP_MD_CTX_new();
if (md5 == NULL || sha1 == NULL || m5 == NULL || s1 == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB);
goto err;
}
for (i = 0; (int)i < num; i += MD5_DIGEST_LENGTH) {
k++;
if (k > sizeof(buf)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
memset(buf, c, k);
c++;
if (!EVP_DigestInit_ex(s1, sha1, NULL)
|| !EVP_DigestUpdate(s1, buf, k)
|| !EVP_DigestUpdate(s1, s->session->master_key,
s->session->master_key_length)
|| !EVP_DigestUpdate(s1, s->s3.server_random, SSL3_RANDOM_SIZE)
|| !EVP_DigestUpdate(s1, s->s3.client_random, SSL3_RANDOM_SIZE)
|| !EVP_DigestFinal_ex(s1, smd, NULL)
|| !EVP_DigestInit_ex(m5, md5, NULL)
|| !EVP_DigestUpdate(m5, s->session->master_key,
s->session->master_key_length)
|| !EVP_DigestUpdate(m5, smd, SHA_DIGEST_LENGTH)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
if ((int)(i + MD5_DIGEST_LENGTH) > num) {
if (!EVP_DigestFinal_ex(m5, smd, NULL)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
memcpy(km, smd, (num - i));
} else {
if (!EVP_DigestFinal_ex(m5, km, NULL)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
}
km += MD5_DIGEST_LENGTH;
}
OPENSSL_cleanse(smd, sizeof(smd));
ret = 1;
err:
EVP_MD_CTX_free(m5);
EVP_MD_CTX_free(s1);
ssl_evp_md_free(md5);
ssl_evp_md_free(sha1);
return ret;
}
int ssl3_change_cipher_state(SSL_CONNECTION *s, int which)
{
unsigned char *p, *mac_secret;
size_t md_len;
unsigned char *key, *iv;
const EVP_CIPHER *ciph;
const SSL_COMP *comp = NULL;
const EVP_MD *md;
int mdi;
size_t n, iv_len, key_len;
int direction = (which & SSL3_CC_READ) != 0 ? OSSL_RECORD_DIRECTION_READ
: OSSL_RECORD_DIRECTION_WRITE;
ciph = s->s3.tmp.new_sym_enc;
md = s->s3.tmp.new_hash;
if (!ossl_assert(md != NULL)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
#ifndef OPENSSL_NO_COMP
comp = s->s3.tmp.new_compression;
#endif
p = s->s3.tmp.key_block;
mdi = EVP_MD_get_size(md);
if (mdi < 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
md_len = (size_t)mdi;
key_len = EVP_CIPHER_get_key_length(ciph);
iv_len = EVP_CIPHER_get_iv_length(ciph);
if ((which == SSL3_CHANGE_CIPHER_CLIENT_WRITE) ||
(which == SSL3_CHANGE_CIPHER_SERVER_READ)) {
mac_secret = &(p[0]);
n = md_len + md_len;
key = &(p[n]);
n += key_len + key_len;
iv = &(p[n]);
n += iv_len + iv_len;
} else {
n = md_len;
mac_secret = &(p[n]);
n += md_len + key_len;
key = &(p[n]);
n += key_len + iv_len;
iv = &(p[n]);
n += iv_len;
}
if (n > s->s3.tmp.key_block_length) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
if (!ssl_set_new_record_layer(s, SSL3_VERSION,
direction,
OSSL_RECORD_PROTECTION_LEVEL_APPLICATION,
NULL, 0, key, key_len, iv, iv_len, mac_secret,
md_len, ciph, 0, NID_undef, md, comp, NULL)) {
goto err;
}
return 1;
err:
return 0;
}
int ssl3_setup_key_block(SSL_CONNECTION *s)
{
unsigned char *p;
const EVP_CIPHER *c;
const EVP_MD *hash;
int num;
int ret = 0;
SSL_COMP *comp;
if (s->s3.tmp.key_block_length != 0)
return 1;
if (!ssl_cipher_get_evp(SSL_CONNECTION_GET_CTX(s), s->session, &c, &hash,
NULL, NULL, &comp, 0)) {
SSLfatal_alert(s, SSL_AD_INTERNAL_ERROR);
return 0;
}
ssl_evp_cipher_free(s->s3.tmp.new_sym_enc);
s->s3.tmp.new_sym_enc = c;
ssl_evp_md_free(s->s3.tmp.new_hash);
s->s3.tmp.new_hash = hash;
#ifdef OPENSSL_NO_COMP
s->s3.tmp.new_compression = NULL;
#else
s->s3.tmp.new_compression = comp;
#endif
num = EVP_MD_get_size(hash);
if (num < 0)
return 0;
num = EVP_CIPHER_get_key_length(c) + num + EVP_CIPHER_get_iv_length(c);
num *= 2;
ssl3_cleanup_key_block(s);
if ((p = OPENSSL_malloc(num)) == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CRYPTO_LIB);
return 0;
}
s->s3.tmp.key_block_length = num;
s->s3.tmp.key_block = p;
ret = ssl3_generate_key_block(s, p, num);
return ret;
}
void ssl3_cleanup_key_block(SSL_CONNECTION *s)
{
OPENSSL_clear_free(s->s3.tmp.key_block, s->s3.tmp.key_block_length);
s->s3.tmp.key_block = NULL;
s->s3.tmp.key_block_length = 0;
}
int ssl3_init_finished_mac(SSL_CONNECTION *s)
{
BIO *buf = BIO_new(BIO_s_mem());
if (buf == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_BIO_LIB);
return 0;
}
ssl3_free_digest_list(s);
s->s3.handshake_buffer = buf;
(void)BIO_set_close(s->s3.handshake_buffer, BIO_CLOSE);
return 1;
}
void ssl3_free_digest_list(SSL_CONNECTION *s)
{
BIO_free(s->s3.handshake_buffer);
s->s3.handshake_buffer = NULL;
EVP_MD_CTX_free(s->s3.handshake_dgst);
s->s3.handshake_dgst = NULL;
}
int ssl3_finish_mac(SSL_CONNECTION *s, const unsigned char *buf, size_t len)
{
int ret;
if (s->s3.handshake_dgst == NULL) {
if (len > INT_MAX) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_OVERFLOW_ERROR);
return 0;
}
ret = BIO_write(s->s3.handshake_buffer, (void *)buf, (int)len);
if (ret <= 0 || ret != (int)len) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
} else {
ret = EVP_DigestUpdate(s->s3.handshake_dgst, buf, len);
if (!ret) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
}
return 1;
}
int ssl3_digest_cached_records(SSL_CONNECTION *s, int keep)
{
const EVP_MD *md;
long hdatalen;
void *hdata;
if (s->s3.handshake_dgst == NULL) {
hdatalen = BIO_get_mem_data(s->s3.handshake_buffer, &hdata);
if (hdatalen <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_BAD_HANDSHAKE_LENGTH);
return 0;
}
s->s3.handshake_dgst = EVP_MD_CTX_new();
if (s->s3.handshake_dgst == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB);
return 0;
}
md = ssl_handshake_md(s);
if (md == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR,
SSL_R_NO_SUITABLE_DIGEST_ALGORITHM);
return 0;
}
if (!EVP_DigestInit_ex(s->s3.handshake_dgst, md, NULL)
|| !EVP_DigestUpdate(s->s3.handshake_dgst, hdata, hdatalen)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
}
if (keep == 0) {
BIO_free(s->s3.handshake_buffer);
s->s3.handshake_buffer = NULL;
}
return 1;
}
void ssl3_digest_master_key_set_params(const SSL_SESSION *session,
OSSL_PARAM params[])
{
int n = 0;
params[n++] = OSSL_PARAM_construct_octet_string(OSSL_DIGEST_PARAM_SSL3_MS,
(void *)session->master_key,
session->master_key_length);
params[n++] = OSSL_PARAM_construct_end();
}
size_t ssl3_final_finish_mac(SSL_CONNECTION *s, const char *sender, size_t len,
unsigned char *p)
{
int ret;
EVP_MD_CTX *ctx = NULL;
if (!ssl3_digest_cached_records(s, 0)) {
return 0;
}
if (EVP_MD_CTX_get_type(s->s3.handshake_dgst) != NID_md5_sha1) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_NO_REQUIRED_DIGEST);
return 0;
}
ctx = EVP_MD_CTX_new();
if (ctx == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB);
return 0;
}
if (!EVP_MD_CTX_copy_ex(ctx, s->s3.handshake_dgst)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
ret = 0;
goto err;
}
ret = EVP_MD_CTX_get_size(ctx);
if (ret < 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
ret = 0;
goto err;
}
if (sender != NULL) {
OSSL_PARAM digest_cmd_params[3];
ssl3_digest_master_key_set_params(s->session, digest_cmd_params);
if (EVP_DigestUpdate(ctx, sender, len) <= 0
|| EVP_MD_CTX_set_params(ctx, digest_cmd_params) <= 0
|| EVP_DigestFinal_ex(ctx, p, NULL) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
ret = 0;
}
}
err:
EVP_MD_CTX_free(ctx);
return ret;
}
int ssl3_generate_master_secret(SSL_CONNECTION *s, unsigned char *out,
unsigned char *p,
size_t len, size_t *secret_size)
{
static const unsigned char *const salt[3] = {
#ifndef CHARSET_EBCDIC
(const unsigned char *)"A",
(const unsigned char *)"BB",
(const unsigned char *)"CCC",
#else
(const unsigned char *)"\x41",
(const unsigned char *)"\x42\x42",
(const unsigned char *)"\x43\x43\x43",
#endif
};
unsigned char buf[EVP_MAX_MD_SIZE];
EVP_MD_CTX *ctx = EVP_MD_CTX_new();
int i, ret = 1;
unsigned int n;
size_t ret_secret_size = 0;
if (ctx == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB);
return 0;
}
for (i = 0; i < 3; i++) {
if (EVP_DigestInit_ex(ctx, SSL_CONNECTION_GET_CTX(s)->sha1, NULL) <= 0
|| EVP_DigestUpdate(ctx, salt[i],
strlen((const char *)salt[i])) <= 0
|| EVP_DigestUpdate(ctx, p, len) <= 0
|| EVP_DigestUpdate(ctx, &(s->s3.client_random[0]),
SSL3_RANDOM_SIZE) <= 0
|| EVP_DigestUpdate(ctx, &(s->s3.server_random[0]),
SSL3_RANDOM_SIZE) <= 0
|| EVP_DigestFinal_ex(ctx, buf, &n) <= 0
|| EVP_DigestInit_ex(ctx, SSL_CONNECTION_GET_CTX(s)->md5, NULL) <= 0
|| EVP_DigestUpdate(ctx, p, len) <= 0
|| EVP_DigestUpdate(ctx, buf, n) <= 0
|| EVP_DigestFinal_ex(ctx, out, &n) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
ret = 0;
break;
}
out += n;
ret_secret_size += n;
}
EVP_MD_CTX_free(ctx);
OPENSSL_cleanse(buf, sizeof(buf));
if (ret)
*secret_size = ret_secret_size;
return ret;
}
int ssl3_alert_code(int code)
{
switch (code) {
case SSL_AD_CLOSE_NOTIFY:
return SSL3_AD_CLOSE_NOTIFY;
case SSL_AD_UNEXPECTED_MESSAGE:
return SSL3_AD_UNEXPECTED_MESSAGE;
case SSL_AD_BAD_RECORD_MAC:
return SSL3_AD_BAD_RECORD_MAC;
case SSL_AD_DECRYPTION_FAILED:
return SSL3_AD_BAD_RECORD_MAC;
case SSL_AD_RECORD_OVERFLOW:
return SSL3_AD_BAD_RECORD_MAC;
case SSL_AD_DECOMPRESSION_FAILURE:
return SSL3_AD_DECOMPRESSION_FAILURE;
case SSL_AD_HANDSHAKE_FAILURE:
return SSL3_AD_HANDSHAKE_FAILURE;
case SSL_AD_NO_CERTIFICATE:
return SSL3_AD_NO_CERTIFICATE;
case SSL_AD_BAD_CERTIFICATE:
return SSL3_AD_BAD_CERTIFICATE;
case SSL_AD_UNSUPPORTED_CERTIFICATE:
return SSL3_AD_UNSUPPORTED_CERTIFICATE;
case SSL_AD_CERTIFICATE_REVOKED:
return SSL3_AD_CERTIFICATE_REVOKED;
case SSL_AD_CERTIFICATE_EXPIRED:
return SSL3_AD_CERTIFICATE_EXPIRED;
case SSL_AD_CERTIFICATE_UNKNOWN:
return SSL3_AD_CERTIFICATE_UNKNOWN;
case SSL_AD_ILLEGAL_PARAMETER:
return SSL3_AD_ILLEGAL_PARAMETER;
case SSL_AD_UNKNOWN_CA:
return SSL3_AD_BAD_CERTIFICATE;
case SSL_AD_ACCESS_DENIED:
return SSL3_AD_HANDSHAKE_FAILURE;
case SSL_AD_DECODE_ERROR:
return SSL3_AD_HANDSHAKE_FAILURE;
case SSL_AD_DECRYPT_ERROR:
return SSL3_AD_HANDSHAKE_FAILURE;
case SSL_AD_EXPORT_RESTRICTION:
return SSL3_AD_HANDSHAKE_FAILURE;
case SSL_AD_PROTOCOL_VERSION:
return SSL3_AD_HANDSHAKE_FAILURE;
case SSL_AD_INSUFFICIENT_SECURITY:
return SSL3_AD_HANDSHAKE_FAILURE;
case SSL_AD_INTERNAL_ERROR:
return SSL3_AD_HANDSHAKE_FAILURE;
case SSL_AD_USER_CANCELLED:
return SSL3_AD_HANDSHAKE_FAILURE;
case SSL_AD_NO_RENEGOTIATION:
return -1;
case SSL_AD_UNSUPPORTED_EXTENSION:
return SSL3_AD_HANDSHAKE_FAILURE;
case SSL_AD_CERTIFICATE_UNOBTAINABLE:
return SSL3_AD_HANDSHAKE_FAILURE;
case SSL_AD_UNRECOGNIZED_NAME:
return SSL3_AD_HANDSHAKE_FAILURE;
case SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE:
return SSL3_AD_HANDSHAKE_FAILURE;
case SSL_AD_BAD_CERTIFICATE_HASH_VALUE:
return SSL3_AD_HANDSHAKE_FAILURE;
case SSL_AD_UNKNOWN_PSK_IDENTITY:
return TLS1_AD_UNKNOWN_PSK_IDENTITY;
case SSL_AD_INAPPROPRIATE_FALLBACK:
return TLS1_AD_INAPPROPRIATE_FALLBACK;
case SSL_AD_NO_APPLICATION_PROTOCOL:
return TLS1_AD_NO_APPLICATION_PROTOCOL;
case SSL_AD_CERTIFICATE_REQUIRED:
return SSL_AD_HANDSHAKE_FAILURE;
case TLS13_AD_MISSING_EXTENSION:
return SSL_AD_HANDSHAKE_FAILURE;
default:
return -1;
}
}
| ssl | openssl/ssl/s3_enc.c | openssl |
#define OPENSSL_SUPPRESS_DEPRECATED
#include <openssl/engine.h>
#include "ssl_local.h"
#ifndef OPENSSL_NO_ENGINE
void tls_engine_finish(ENGINE *e)
{
ENGINE_finish(e);
}
#endif
const EVP_CIPHER *tls_get_cipher_from_engine(int nid)
{
const EVP_CIPHER *ret = NULL;
#ifndef OPENSSL_NO_ENGINE
ENGINE *eng;
eng = ENGINE_get_cipher_engine(nid);
if (eng != NULL) {
ret = ENGINE_get_cipher(eng, nid);
ENGINE_finish(eng);
}
#endif
return ret;
}
const EVP_MD *tls_get_digest_from_engine(int nid)
{
const EVP_MD *ret = NULL;
#ifndef OPENSSL_NO_ENGINE
ENGINE *eng;
eng = ENGINE_get_digest_engine(nid);
if (eng != NULL) {
ret = ENGINE_get_digest(eng, nid);
ENGINE_finish(eng);
}
#endif
return ret;
}
#ifndef OPENSSL_NO_ENGINE
int tls_engine_load_ssl_client_cert(SSL_CONNECTION *s, X509 **px509,
EVP_PKEY **ppkey)
{
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
return ENGINE_load_ssl_client_cert(SSL_CONNECTION_GET_CTX(s)->client_cert_engine,
ssl,
SSL_get_client_CA_list(ssl),
px509, ppkey, NULL, NULL, NULL);
}
#endif
#ifndef OPENSSL_NO_ENGINE
int SSL_CTX_set_client_cert_engine(SSL_CTX *ctx, ENGINE *e)
{
if (!ENGINE_init(e)) {
ERR_raise(ERR_LIB_SSL, ERR_R_ENGINE_LIB);
return 0;
}
if (!ENGINE_get_ssl_client_cert_function(e)) {
ERR_raise(ERR_LIB_SSL, SSL_R_NO_CLIENT_CERT_METHOD);
ENGINE_finish(e);
return 0;
}
ctx->client_cert_engine = e;
return 1;
}
#endif
#ifndef OPENSSL_NO_DEPRECATED_3_0
int ssl_hmac_old_new(SSL_HMAC *ret)
{
ret->old_ctx = HMAC_CTX_new();
if (ret->old_ctx == NULL)
return 0;
return 1;
}
void ssl_hmac_old_free(SSL_HMAC *ctx)
{
HMAC_CTX_free(ctx->old_ctx);
}
int ssl_hmac_old_init(SSL_HMAC *ctx, void *key, size_t len, char *md)
{
return HMAC_Init_ex(ctx->old_ctx, key, len, EVP_get_digestbyname(md), NULL);
}
int ssl_hmac_old_update(SSL_HMAC *ctx, const unsigned char *data, size_t len)
{
return HMAC_Update(ctx->old_ctx, data, len);
}
int ssl_hmac_old_final(SSL_HMAC *ctx, unsigned char *md, size_t *len)
{
unsigned int l;
if (HMAC_Final(ctx->old_ctx, md, &l) > 0) {
if (len != NULL)
*len = l;
return 1;
}
return 0;
}
size_t ssl_hmac_old_size(const SSL_HMAC *ctx)
{
return HMAC_size(ctx->old_ctx);
}
HMAC_CTX *ssl_hmac_get0_HMAC_CTX(SSL_HMAC *ctx)
{
return ctx->old_ctx;
}
EVP_PKEY *ssl_dh_to_pkey(DH *dh)
{
# ifndef OPENSSL_NO_DH
EVP_PKEY *ret;
if (dh == NULL)
return NULL;
ret = EVP_PKEY_new();
if (EVP_PKEY_set1_DH(ret, dh) <= 0) {
EVP_PKEY_free(ret);
return NULL;
}
return ret;
# else
return NULL;
# endif
}
int ssl_set_tmp_ecdh_groups(uint16_t **pext, size_t *pextlen,
void *key)
{
# ifndef OPENSSL_NO_EC
const EC_GROUP *group = EC_KEY_get0_group((const EC_KEY *)key);
int nid;
if (group == NULL) {
ERR_raise(ERR_LIB_SSL, SSL_R_MISSING_PARAMETERS);
return 0;
}
nid = EC_GROUP_get_curve_name(group);
if (nid == NID_undef)
return 0;
return tls1_set_groups(pext, pextlen, &nid, 1);
# else
return 0;
# endif
}
# if !defined(OPENSSL_NO_DH)
void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,
DH *(*dh) (SSL *ssl, int is_export,
int keylength))
{
SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_TMP_DH_CB, (void (*)(void))dh);
}
void SSL_set_tmp_dh_callback(SSL *ssl, DH *(*dh) (SSL *ssl, int is_export,
int keylength))
{
SSL_callback_ctrl(ssl, SSL_CTRL_SET_TMP_DH_CB, (void (*)(void))dh);
}
# endif
#endif
| ssl | openssl/ssl/tls_depr.c | openssl |
#include <openssl/sslerr_legacy.h>
#include "sslerr.h"
#ifndef OPENSSL_NO_DEPRECATED_3_0
int ERR_load_SSL_strings(void)
{
return ossl_err_load_SSL_strings();
}
#else
NON_EMPTY_TRANSLATION_UNIT
#endif
| ssl | openssl/ssl/ssl_err_legacy.c | openssl |
#include <stdio.h>
#include "ssl_local.h"
const char *SSL_state_string_long(const SSL *s)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
if (sc == NULL || ossl_statem_in_error(sc))
return "error";
switch (SSL_get_state(s)) {
case TLS_ST_CR_CERT_STATUS:
return "SSLv3/TLS read certificate status";
case TLS_ST_CW_NEXT_PROTO:
return "SSLv3/TLS write next proto";
case TLS_ST_SR_NEXT_PROTO:
return "SSLv3/TLS read next proto";
case TLS_ST_SW_CERT_STATUS:
return "SSLv3/TLS write certificate status";
case TLS_ST_BEFORE:
return "before SSL initialization";
case TLS_ST_OK:
return "SSL negotiation finished successfully";
case TLS_ST_CW_CLNT_HELLO:
return "SSLv3/TLS write client hello";
case TLS_ST_CR_SRVR_HELLO:
return "SSLv3/TLS read server hello";
case TLS_ST_CR_CERT:
return "SSLv3/TLS read server certificate";
case TLS_ST_CR_COMP_CERT:
return "TLSv1.3 read server compressed certificate";
case TLS_ST_CR_KEY_EXCH:
return "SSLv3/TLS read server key exchange";
case TLS_ST_CR_CERT_REQ:
return "SSLv3/TLS read server certificate request";
case TLS_ST_CR_SESSION_TICKET:
return "SSLv3/TLS read server session ticket";
case TLS_ST_CR_SRVR_DONE:
return "SSLv3/TLS read server done";
case TLS_ST_CW_CERT:
return "SSLv3/TLS write client certificate";
case TLS_ST_CW_COMP_CERT:
return "TLSv1.3 write client compressed certificate";
case TLS_ST_CW_KEY_EXCH:
return "SSLv3/TLS write client key exchange";
case TLS_ST_CW_CERT_VRFY:
return "SSLv3/TLS write certificate verify";
case TLS_ST_CW_CHANGE:
case TLS_ST_SW_CHANGE:
return "SSLv3/TLS write change cipher spec";
case TLS_ST_CW_FINISHED:
case TLS_ST_SW_FINISHED:
return "SSLv3/TLS write finished";
case TLS_ST_CR_CHANGE:
case TLS_ST_SR_CHANGE:
return "SSLv3/TLS read change cipher spec";
case TLS_ST_CR_FINISHED:
case TLS_ST_SR_FINISHED:
return "SSLv3/TLS read finished";
case TLS_ST_SR_CLNT_HELLO:
return "SSLv3/TLS read client hello";
case TLS_ST_SW_HELLO_REQ:
return "SSLv3/TLS write hello request";
case TLS_ST_SW_SRVR_HELLO:
return "SSLv3/TLS write server hello";
case TLS_ST_SW_CERT:
return "SSLv3/TLS write certificate";
case TLS_ST_SW_COMP_CERT:
return "TLSv1.3 write server compressed certificate";
case TLS_ST_SW_KEY_EXCH:
return "SSLv3/TLS write key exchange";
case TLS_ST_SW_CERT_REQ:
return "SSLv3/TLS write certificate request";
case TLS_ST_SW_SESSION_TICKET:
return "SSLv3/TLS write session ticket";
case TLS_ST_SW_SRVR_DONE:
return "SSLv3/TLS write server done";
case TLS_ST_SR_CERT:
return "SSLv3/TLS read client certificate";
case TLS_ST_SR_COMP_CERT:
return "TLSv1.3 read client compressed certificate";
case TLS_ST_SR_KEY_EXCH:
return "SSLv3/TLS read client key exchange";
case TLS_ST_SR_CERT_VRFY:
return "SSLv3/TLS read certificate verify";
case DTLS_ST_CR_HELLO_VERIFY_REQUEST:
return "DTLS1 read hello verify request";
case DTLS_ST_SW_HELLO_VERIFY_REQUEST:
return "DTLS1 write hello verify request";
case TLS_ST_SW_ENCRYPTED_EXTENSIONS:
return "TLSv1.3 write encrypted extensions";
case TLS_ST_CR_ENCRYPTED_EXTENSIONS:
return "TLSv1.3 read encrypted extensions";
case TLS_ST_CR_CERT_VRFY:
return "TLSv1.3 read server certificate verify";
case TLS_ST_SW_CERT_VRFY:
return "TLSv1.3 write server certificate verify";
case TLS_ST_CR_HELLO_REQ:
return "SSLv3/TLS read hello request";
case TLS_ST_SW_KEY_UPDATE:
return "TLSv1.3 write server key update";
case TLS_ST_CW_KEY_UPDATE:
return "TLSv1.3 write client key update";
case TLS_ST_SR_KEY_UPDATE:
return "TLSv1.3 read client key update";
case TLS_ST_CR_KEY_UPDATE:
return "TLSv1.3 read server key update";
case TLS_ST_EARLY_DATA:
return "TLSv1.3 early data";
case TLS_ST_PENDING_EARLY_DATA_END:
return "TLSv1.3 pending early data end";
case TLS_ST_CW_END_OF_EARLY_DATA:
return "TLSv1.3 write end of early data";
case TLS_ST_SR_END_OF_EARLY_DATA:
return "TLSv1.3 read end of early data";
default:
return "unknown state";
}
}
const char *SSL_state_string(const SSL *s)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
if (sc == NULL || ossl_statem_in_error(sc))
return "SSLERR";
switch (SSL_get_state(s)) {
case TLS_ST_SR_NEXT_PROTO:
return "TRNP";
case TLS_ST_SW_SESSION_TICKET:
return "TWST";
case TLS_ST_SW_CERT_STATUS:
return "TWCS";
case TLS_ST_CR_CERT_STATUS:
return "TRCS";
case TLS_ST_CR_SESSION_TICKET:
return "TRST";
case TLS_ST_CW_NEXT_PROTO:
return "TWNP";
case TLS_ST_BEFORE:
return "PINIT";
case TLS_ST_OK:
return "SSLOK";
case TLS_ST_CW_CLNT_HELLO:
return "TWCH";
case TLS_ST_CR_SRVR_HELLO:
return "TRSH";
case TLS_ST_CR_CERT:
return "TRSC";
case TLS_ST_CR_COMP_CERT:
return "TRSCC";
case TLS_ST_CR_KEY_EXCH:
return "TRSKE";
case TLS_ST_CR_CERT_REQ:
return "TRCR";
case TLS_ST_CR_SRVR_DONE:
return "TRSD";
case TLS_ST_CW_CERT:
return "TWCC";
case TLS_ST_CW_COMP_CERT:
return "TWCCC";
case TLS_ST_CW_KEY_EXCH:
return "TWCKE";
case TLS_ST_CW_CERT_VRFY:
return "TWCV";
case TLS_ST_SW_CHANGE:
case TLS_ST_CW_CHANGE:
return "TWCCS";
case TLS_ST_SW_FINISHED:
case TLS_ST_CW_FINISHED:
return "TWFIN";
case TLS_ST_SR_CHANGE:
case TLS_ST_CR_CHANGE:
return "TRCCS";
case TLS_ST_SR_FINISHED:
case TLS_ST_CR_FINISHED:
return "TRFIN";
case TLS_ST_SW_HELLO_REQ:
return "TWHR";
case TLS_ST_SR_CLNT_HELLO:
return "TRCH";
case TLS_ST_SW_SRVR_HELLO:
return "TWSH";
case TLS_ST_SW_CERT:
return "TWSC";
case TLS_ST_SW_COMP_CERT:
return "TWSCC";
case TLS_ST_SW_KEY_EXCH:
return "TWSKE";
case TLS_ST_SW_CERT_REQ:
return "TWCR";
case TLS_ST_SW_SRVR_DONE:
return "TWSD";
case TLS_ST_SR_CERT:
return "TRCC";
case TLS_ST_SR_COMP_CERT:
return "TRCCC";
case TLS_ST_SR_KEY_EXCH:
return "TRCKE";
case TLS_ST_SR_CERT_VRFY:
return "TRCV";
case DTLS_ST_CR_HELLO_VERIFY_REQUEST:
return "DRCHV";
case DTLS_ST_SW_HELLO_VERIFY_REQUEST:
return "DWCHV";
case TLS_ST_SW_ENCRYPTED_EXTENSIONS:
return "TWEE";
case TLS_ST_CR_ENCRYPTED_EXTENSIONS:
return "TREE";
case TLS_ST_CR_CERT_VRFY:
return "TRSCV";
case TLS_ST_SW_CERT_VRFY:
return "TWSCV";
case TLS_ST_CR_HELLO_REQ:
return "TRHR";
case TLS_ST_SW_KEY_UPDATE:
return "TWSKU";
case TLS_ST_CW_KEY_UPDATE:
return "TWCKU";
case TLS_ST_SR_KEY_UPDATE:
return "TRCKU";
case TLS_ST_CR_KEY_UPDATE:
return "TRSKU";
case TLS_ST_EARLY_DATA:
return "TED";
case TLS_ST_PENDING_EARLY_DATA_END:
return "TPEDE";
case TLS_ST_CW_END_OF_EARLY_DATA:
return "TWEOED";
case TLS_ST_SR_END_OF_EARLY_DATA:
return "TWEOED";
default:
return "UNKWN";
}
}
const char *SSL_alert_type_string_long(int value)
{
switch (value >> 8) {
case SSL3_AL_WARNING:
return "warning";
case SSL3_AL_FATAL:
return "fatal";
default:
return "unknown";
}
}
const char *SSL_alert_type_string(int value)
{
switch (value >> 8) {
case SSL3_AL_WARNING:
return "W";
case SSL3_AL_FATAL:
return "F";
default:
return "U";
}
}
const char *SSL_alert_desc_string(int value)
{
switch (value & 0xff) {
case SSL3_AD_CLOSE_NOTIFY:
return "CN";
case SSL3_AD_UNEXPECTED_MESSAGE:
return "UM";
case SSL3_AD_BAD_RECORD_MAC:
return "BM";
case SSL3_AD_DECOMPRESSION_FAILURE:
return "DF";
case SSL3_AD_HANDSHAKE_FAILURE:
return "HF";
case SSL3_AD_NO_CERTIFICATE:
return "NC";
case SSL3_AD_BAD_CERTIFICATE:
return "BC";
case SSL3_AD_UNSUPPORTED_CERTIFICATE:
return "UC";
case SSL3_AD_CERTIFICATE_REVOKED:
return "CR";
case SSL3_AD_CERTIFICATE_EXPIRED:
return "CE";
case SSL3_AD_CERTIFICATE_UNKNOWN:
return "CU";
case SSL3_AD_ILLEGAL_PARAMETER:
return "IP";
case TLS1_AD_DECRYPTION_FAILED:
return "DC";
case TLS1_AD_RECORD_OVERFLOW:
return "RO";
case TLS1_AD_UNKNOWN_CA:
return "CA";
case TLS1_AD_ACCESS_DENIED:
return "AD";
case TLS1_AD_DECODE_ERROR:
return "DE";
case TLS1_AD_DECRYPT_ERROR:
return "CY";
case TLS1_AD_EXPORT_RESTRICTION:
return "ER";
case TLS1_AD_PROTOCOL_VERSION:
return "PV";
case TLS1_AD_INSUFFICIENT_SECURITY:
return "IS";
case TLS1_AD_INTERNAL_ERROR:
return "IE";
case TLS1_AD_USER_CANCELLED:
return "US";
case TLS1_AD_NO_RENEGOTIATION:
return "NR";
case TLS1_AD_UNSUPPORTED_EXTENSION:
return "UE";
case TLS1_AD_CERTIFICATE_UNOBTAINABLE:
return "CO";
case TLS1_AD_UNRECOGNIZED_NAME:
return "UN";
case TLS1_AD_BAD_CERTIFICATE_STATUS_RESPONSE:
return "BR";
case TLS1_AD_BAD_CERTIFICATE_HASH_VALUE:
return "BH";
case TLS1_AD_UNKNOWN_PSK_IDENTITY:
return "UP";
default:
return "UK";
}
}
const char *SSL_alert_desc_string_long(int value)
{
switch (value & 0xff) {
case SSL3_AD_CLOSE_NOTIFY:
return "close notify";
case SSL3_AD_UNEXPECTED_MESSAGE:
return "unexpected_message";
case SSL3_AD_BAD_RECORD_MAC:
return "bad record mac";
case SSL3_AD_DECOMPRESSION_FAILURE:
return "decompression failure";
case SSL3_AD_HANDSHAKE_FAILURE:
return "handshake failure";
case SSL3_AD_NO_CERTIFICATE:
return "no certificate";
case SSL3_AD_BAD_CERTIFICATE:
return "bad certificate";
case SSL3_AD_UNSUPPORTED_CERTIFICATE:
return "unsupported certificate";
case SSL3_AD_CERTIFICATE_REVOKED:
return "certificate revoked";
case SSL3_AD_CERTIFICATE_EXPIRED:
return "certificate expired";
case SSL3_AD_CERTIFICATE_UNKNOWN:
return "certificate unknown";
case SSL3_AD_ILLEGAL_PARAMETER:
return "illegal parameter";
case TLS1_AD_DECRYPTION_FAILED:
return "decryption failed";
case TLS1_AD_RECORD_OVERFLOW:
return "record overflow";
case TLS1_AD_UNKNOWN_CA:
return "unknown CA";
case TLS1_AD_ACCESS_DENIED:
return "access denied";
case TLS1_AD_DECODE_ERROR:
return "decode error";
case TLS1_AD_DECRYPT_ERROR:
return "decrypt error";
case TLS1_AD_EXPORT_RESTRICTION:
return "export restriction";
case TLS1_AD_PROTOCOL_VERSION:
return "protocol version";
case TLS1_AD_INSUFFICIENT_SECURITY:
return "insufficient security";
case TLS1_AD_INTERNAL_ERROR:
return "internal error";
case TLS1_AD_USER_CANCELLED:
return "user canceled";
case TLS1_AD_NO_RENEGOTIATION:
return "no renegotiation";
case TLS1_AD_UNSUPPORTED_EXTENSION:
return "unsupported extension";
case TLS1_AD_CERTIFICATE_UNOBTAINABLE:
return "certificate unobtainable";
case TLS1_AD_UNRECOGNIZED_NAME:
return "unrecognized name";
case TLS1_AD_BAD_CERTIFICATE_STATUS_RESPONSE:
return "bad certificate status response";
case TLS1_AD_BAD_CERTIFICATE_HASH_VALUE:
return "bad certificate hash value";
case TLS1_AD_UNKNOWN_PSK_IDENTITY:
return "unknown PSK identity";
case TLS1_AD_NO_APPLICATION_PROTOCOL:
return "no application protocol";
default:
return "unknown";
}
}
| ssl | openssl/ssl/ssl_stat.c | openssl |
#include <stdlib.h>
#include "ssl_local.h"
#include "internal/ktls.h"
#include "record/record_local.h"
#include "internal/cryptlib.h"
#include <openssl/evp.h>
#include <openssl/kdf.h>
#include <openssl/core_names.h>
#define TLS13_MAX_LABEL_LEN 249
static const unsigned char label_prefix[] = "\x74\x6C\x73\x31\x33\x20";
int tls13_hkdf_expand_ex(OSSL_LIB_CTX *libctx, const char *propq,
const EVP_MD *md,
const unsigned char *secret,
const unsigned char *label, size_t labellen,
const unsigned char *data, size_t datalen,
unsigned char *out, size_t outlen, int raise_error)
{
EVP_KDF *kdf = EVP_KDF_fetch(libctx, OSSL_KDF_NAME_TLS1_3_KDF, propq);
EVP_KDF_CTX *kctx;
OSSL_PARAM params[7], *p = params;
int mode = EVP_PKEY_HKDEF_MODE_EXPAND_ONLY;
const char *mdname = EVP_MD_get0_name(md);
int ret;
size_t hashlen;
kctx = EVP_KDF_CTX_new(kdf);
EVP_KDF_free(kdf);
if (kctx == NULL)
return 0;
if (labellen > TLS13_MAX_LABEL_LEN) {
if (raise_error)
ERR_raise(ERR_LIB_SSL, SSL_R_TLS_ILLEGAL_EXPORTER_LABEL);
EVP_KDF_CTX_free(kctx);
return 0;
}
if ((ret = EVP_MD_get_size(md)) <= 0) {
EVP_KDF_CTX_free(kctx);
if (raise_error)
ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
return 0;
}
hashlen = (size_t)ret;
*p++ = OSSL_PARAM_construct_int(OSSL_KDF_PARAM_MODE, &mode);
*p++ = OSSL_PARAM_construct_utf8_string(OSSL_KDF_PARAM_DIGEST,
(char *)mdname, 0);
*p++ = OSSL_PARAM_construct_octet_string(OSSL_KDF_PARAM_KEY,
(unsigned char *)secret, hashlen);
*p++ = OSSL_PARAM_construct_octet_string(OSSL_KDF_PARAM_PREFIX,
(unsigned char *)label_prefix,
sizeof(label_prefix) - 1);
*p++ = OSSL_PARAM_construct_octet_string(OSSL_KDF_PARAM_LABEL,
(unsigned char *)label, labellen);
if (data != NULL)
*p++ = OSSL_PARAM_construct_octet_string(OSSL_KDF_PARAM_DATA,
(unsigned char *)data,
datalen);
*p++ = OSSL_PARAM_construct_end();
ret = EVP_KDF_derive(kctx, out, outlen, params) <= 0;
EVP_KDF_CTX_free(kctx);
if (ret != 0) {
if (raise_error)
ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
}
return ret == 0;
}
int tls13_hkdf_expand(SSL_CONNECTION *s, const EVP_MD *md,
const unsigned char *secret,
const unsigned char *label, size_t labellen,
const unsigned char *data, size_t datalen,
unsigned char *out, size_t outlen, int fatal)
{
int ret;
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
ret = tls13_hkdf_expand_ex(sctx->libctx, sctx->propq, md,
secret, label, labellen, data, datalen,
out, outlen, !fatal);
if (ret == 0 && fatal)
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return ret;
}
int tls13_derive_key(SSL_CONNECTION *s, const EVP_MD *md,
const unsigned char *secret,
unsigned char *key, size_t keylen)
{
static const unsigned char keylabel[] = "\x6B\x65\x79";
return tls13_hkdf_expand(s, md, secret, keylabel, sizeof(keylabel) - 1,
NULL, 0, key, keylen, 1);
}
int tls13_derive_iv(SSL_CONNECTION *s, const EVP_MD *md,
const unsigned char *secret,
unsigned char *iv, size_t ivlen)
{
static const unsigned char ivlabel[] = "\x69\x76";
return tls13_hkdf_expand(s, md, secret, ivlabel, sizeof(ivlabel) - 1,
NULL, 0, iv, ivlen, 1);
}
int tls13_derive_finishedkey(SSL_CONNECTION *s, const EVP_MD *md,
const unsigned char *secret,
unsigned char *fin, size_t finlen)
{
static const unsigned char finishedlabel[] = "\x66\x69\x6E\x69\x73\x68\x65\x64";
return tls13_hkdf_expand(s, md, secret, finishedlabel,
sizeof(finishedlabel) - 1, NULL, 0, fin, finlen, 1);
}
int tls13_generate_secret(SSL_CONNECTION *s, const EVP_MD *md,
const unsigned char *prevsecret,
const unsigned char *insecret,
size_t insecretlen,
unsigned char *outsecret)
{
size_t mdlen;
int mdleni;
int ret;
EVP_KDF *kdf;
EVP_KDF_CTX *kctx;
OSSL_PARAM params[7], *p = params;
int mode = EVP_PKEY_HKDEF_MODE_EXTRACT_ONLY;
const char *mdname = EVP_MD_get0_name(md);
static const char derived_secret_label[] = "\x64\x65\x72\x69\x76\x65\x64";
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
kdf = EVP_KDF_fetch(sctx->libctx, OSSL_KDF_NAME_TLS1_3_KDF, sctx->propq);
kctx = EVP_KDF_CTX_new(kdf);
EVP_KDF_free(kdf);
if (kctx == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
mdleni = EVP_MD_get_size(md);
if (!ossl_assert(mdleni >= 0)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
EVP_KDF_CTX_free(kctx);
return 0;
}
mdlen = (size_t)mdleni;
*p++ = OSSL_PARAM_construct_int(OSSL_KDF_PARAM_MODE, &mode);
*p++ = OSSL_PARAM_construct_utf8_string(OSSL_KDF_PARAM_DIGEST,
(char *)mdname, 0);
if (insecret != NULL)
*p++ = OSSL_PARAM_construct_octet_string(OSSL_KDF_PARAM_KEY,
(unsigned char *)insecret,
insecretlen);
if (prevsecret != NULL)
*p++ = OSSL_PARAM_construct_octet_string(OSSL_KDF_PARAM_SALT,
(unsigned char *)prevsecret, mdlen);
*p++ = OSSL_PARAM_construct_octet_string(OSSL_KDF_PARAM_PREFIX,
(unsigned char *)label_prefix,
sizeof(label_prefix) - 1);
*p++ = OSSL_PARAM_construct_octet_string(OSSL_KDF_PARAM_LABEL,
(unsigned char *)derived_secret_label,
sizeof(derived_secret_label) - 1);
*p++ = OSSL_PARAM_construct_end();
ret = EVP_KDF_derive(kctx, outsecret, mdlen, params) <= 0;
if (ret != 0)
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
EVP_KDF_CTX_free(kctx);
return ret == 0;
}
int tls13_generate_handshake_secret(SSL_CONNECTION *s,
const unsigned char *insecret,
size_t insecretlen)
{
return tls13_generate_secret(s, ssl_handshake_md(s), s->early_secret,
insecret, insecretlen,
(unsigned char *)&s->handshake_secret);
}
int tls13_generate_master_secret(SSL_CONNECTION *s, unsigned char *out,
unsigned char *prev, size_t prevlen,
size_t *secret_size)
{
const EVP_MD *md = ssl_handshake_md(s);
*secret_size = EVP_MD_get_size(md);
return tls13_generate_secret(s, md, prev, NULL, 0, out);
}
size_t tls13_final_finish_mac(SSL_CONNECTION *s, const char *str, size_t slen,
unsigned char *out)
{
const EVP_MD *md = ssl_handshake_md(s);
const char *mdname = EVP_MD_get0_name(md);
unsigned char hash[EVP_MAX_MD_SIZE];
unsigned char finsecret[EVP_MAX_MD_SIZE];
unsigned char *key = NULL;
size_t len = 0, hashlen;
OSSL_PARAM params[2], *p = params;
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
if (md == NULL)
return 0;
if (sctx->propq != NULL)
*p++ = OSSL_PARAM_construct_utf8_string(OSSL_ALG_PARAM_PROPERTIES,
(char *)sctx->propq,
0);
*p = OSSL_PARAM_construct_end();
if (!ssl_handshake_hash(s, hash, sizeof(hash), &hashlen)) {
goto err;
}
if (str == SSL_CONNECTION_GET_SSL(s)->method->ssl3_enc->server_finished_label) {
key = s->server_finished_secret;
} else if (SSL_IS_FIRST_HANDSHAKE(s)) {
key = s->client_finished_secret;
} else {
if (!tls13_derive_finishedkey(s, md,
s->client_app_traffic_secret,
finsecret, hashlen))
goto err;
key = finsecret;
}
if (!EVP_Q_mac(sctx->libctx, "HMAC", sctx->propq, mdname,
params, key, hashlen, hash, hashlen,
out, EVP_MAX_MD_SIZE * 2, &len)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
err:
OPENSSL_cleanse(finsecret, sizeof(finsecret));
return len;
}
int tls13_setup_key_block(SSL_CONNECTION *s)
{
const EVP_CIPHER *c;
const EVP_MD *hash;
s->session->cipher = s->s3.tmp.new_cipher;
if (!ssl_cipher_get_evp(SSL_CONNECTION_GET_CTX(s), s->session, &c, &hash,
NULL, NULL, NULL, 0)) {
SSLfatal_alert(s, SSL_AD_INTERNAL_ERROR);
return 0;
}
ssl_evp_cipher_free(s->s3.tmp.new_sym_enc);
s->s3.tmp.new_sym_enc = c;
ssl_evp_md_free(s->s3.tmp.new_hash);
s->s3.tmp.new_hash = hash;
return 1;
}
static int derive_secret_key_and_iv(SSL_CONNECTION *s, const EVP_MD *md,
const EVP_CIPHER *ciph,
const unsigned char *insecret,
const unsigned char *hash,
const unsigned char *label,
size_t labellen, unsigned char *secret,
unsigned char *key, size_t *keylen,
unsigned char *iv, size_t *ivlen,
size_t *taglen)
{
int hashleni = EVP_MD_get_size(md);
size_t hashlen;
int mode;
if (!ossl_assert(hashleni >= 0)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB);
return 0;
}
hashlen = (size_t)hashleni;
if (!tls13_hkdf_expand(s, md, insecret, label, labellen, hash, hashlen,
secret, hashlen, 1)) {
return 0;
}
*keylen = EVP_CIPHER_get_key_length(ciph);
mode = EVP_CIPHER_get_mode(ciph);
if (mode == EVP_CIPH_CCM_MODE) {
uint32_t algenc;
*ivlen = EVP_CCM_TLS_IV_LEN;
if (s->s3.tmp.new_cipher != NULL) {
algenc = s->s3.tmp.new_cipher->algorithm_enc;
} else if (s->session->cipher != NULL) {
algenc = s->session->cipher->algorithm_enc;
} else if (s->psksession != NULL && s->psksession->cipher != NULL) {
algenc = s->psksession->cipher->algorithm_enc;
} else {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB);
return 0;
}
if (algenc & (SSL_AES128CCM8 | SSL_AES256CCM8))
*taglen = EVP_CCM8_TLS_TAG_LEN;
else
*taglen = EVP_CCM_TLS_TAG_LEN;
} else {
int iivlen;
if (mode == EVP_CIPH_GCM_MODE) {
*taglen = EVP_GCM_TLS_TAG_LEN;
} else {
*taglen = EVP_CHACHAPOLY_TLS_TAG_LEN;
}
iivlen = EVP_CIPHER_get_iv_length(ciph);
if (iivlen < 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB);
return 0;
}
*ivlen = iivlen;
}
if (!tls13_derive_key(s, md, secret, key, *keylen)
|| !tls13_derive_iv(s, md, secret, iv, *ivlen)) {
return 0;
}
return 1;
}
int tls13_change_cipher_state(SSL_CONNECTION *s, int which)
{
static const unsigned char client_early_traffic[] = "\x63\x20\x65\x20\x74\x72\x61\x66\x66\x69\x63";
static const unsigned char client_handshake_traffic[] = "\x63\x20\x68\x73\x20\x74\x72\x61\x66\x66\x69\x63";
static const unsigned char client_application_traffic[] = "\x63\x20\x61\x70\x20\x74\x72\x61\x66\x66\x69\x63";
static const unsigned char server_handshake_traffic[] = "\x73\x20\x68\x73\x20\x74\x72\x61\x66\x66\x69\x63";
static const unsigned char server_application_traffic[] = "\x73\x20\x61\x70\x20\x74\x72\x61\x66\x66\x69\x63";
static const unsigned char exporter_master_secret[] = "\x65\x78\x70\x20\x6D\x61\x73\x74\x65\x72";
static const unsigned char resumption_master_secret[] = "\x72\x65\x73\x20\x6D\x61\x73\x74\x65\x72";
static const unsigned char early_exporter_master_secret[] = "\x65\x20\x65\x78\x70\x20\x6D\x61\x73\x74\x65\x72";
unsigned char iv[EVP_MAX_IV_LENGTH];
unsigned char key[EVP_MAX_KEY_LENGTH];
unsigned char secret[EVP_MAX_MD_SIZE];
unsigned char hashval[EVP_MAX_MD_SIZE];
unsigned char *hash = hashval;
unsigned char *insecret;
unsigned char *finsecret = NULL;
const char *log_label = NULL;
size_t finsecretlen = 0;
const unsigned char *label;
size_t labellen, hashlen = 0;
int ret = 0;
const EVP_MD *md = NULL;
const EVP_CIPHER *cipher = NULL;
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
size_t keylen, ivlen, taglen;
int level;
int direction = (which & SSL3_CC_READ) != 0 ? OSSL_RECORD_DIRECTION_READ
: OSSL_RECORD_DIRECTION_WRITE;
if (((which & SSL3_CC_CLIENT) && (which & SSL3_CC_WRITE))
|| ((which & SSL3_CC_SERVER) && (which & SSL3_CC_READ))) {
if (which & SSL3_CC_EARLY) {
EVP_MD_CTX *mdctx = NULL;
long handlen;
void *hdata;
unsigned int hashlenui;
const SSL_CIPHER *sslcipher = SSL_SESSION_get0_cipher(s->session);
insecret = s->early_secret;
label = client_early_traffic;
labellen = sizeof(client_early_traffic) - 1;
log_label = CLIENT_EARLY_LABEL;
handlen = BIO_get_mem_data(s->s3.handshake_buffer, &hdata);
if (handlen <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_BAD_HANDSHAKE_LENGTH);
goto err;
}
if (s->early_data_state == SSL_EARLY_DATA_CONNECTING
&& s->max_early_data > 0
&& s->session->ext.max_early_data == 0) {
if (!ossl_assert(s->psksession != NULL
&& s->max_early_data ==
s->psksession->ext.max_early_data)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
sslcipher = SSL_SESSION_get0_cipher(s->psksession);
}
if (sslcipher == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_BAD_PSK);
goto err;
}
mdctx = EVP_MD_CTX_new();
if (mdctx == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB);
goto err;
}
if (!ssl_cipher_get_evp_cipher(sctx, sslcipher, &cipher)) {
SSLfatal_alert(s, SSL_AD_INTERNAL_ERROR);
EVP_MD_CTX_free(mdctx);
goto err;
}
md = ssl_md(sctx, sslcipher->algorithm2);
if (md == NULL || !EVP_DigestInit_ex(mdctx, md, NULL)
|| !EVP_DigestUpdate(mdctx, hdata, handlen)
|| !EVP_DigestFinal_ex(mdctx, hashval, &hashlenui)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
EVP_MD_CTX_free(mdctx);
goto err;
}
hashlen = hashlenui;
EVP_MD_CTX_free(mdctx);
if (!tls13_hkdf_expand(s, md, insecret,
early_exporter_master_secret,
sizeof(early_exporter_master_secret) - 1,
hashval, hashlen,
s->early_exporter_master_secret, hashlen,
1)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
if (!ssl_log_secret(s, EARLY_EXPORTER_SECRET_LABEL,
s->early_exporter_master_secret, hashlen)) {
goto err;
}
} else if (which & SSL3_CC_HANDSHAKE) {
insecret = s->handshake_secret;
finsecret = s->client_finished_secret;
finsecretlen = EVP_MD_get_size(ssl_handshake_md(s));
label = client_handshake_traffic;
labellen = sizeof(client_handshake_traffic) - 1;
log_label = CLIENT_HANDSHAKE_LABEL;
hash = s->handshake_traffic_hash;
} else {
insecret = s->master_secret;
label = client_application_traffic;
labellen = sizeof(client_application_traffic) - 1;
log_label = CLIENT_APPLICATION_LABEL;
hash = s->server_finished_hash;
}
} else {
if (which & SSL3_CC_HANDSHAKE) {
insecret = s->handshake_secret;
finsecret = s->server_finished_secret;
finsecretlen = EVP_MD_get_size(ssl_handshake_md(s));
label = server_handshake_traffic;
labellen = sizeof(server_handshake_traffic) - 1;
log_label = SERVER_HANDSHAKE_LABEL;
} else {
insecret = s->master_secret;
label = server_application_traffic;
labellen = sizeof(server_application_traffic) - 1;
log_label = SERVER_APPLICATION_LABEL;
}
}
if (!(which & SSL3_CC_EARLY)) {
md = ssl_handshake_md(s);
cipher = s->s3.tmp.new_sym_enc;
if (!ssl3_digest_cached_records(s, 1)
|| !ssl_handshake_hash(s, hashval, sizeof(hashval), &hashlen)) {
;
goto err;
}
}
if (label == server_application_traffic)
memcpy(s->server_finished_hash, hashval, hashlen);
if (label == server_handshake_traffic)
memcpy(s->handshake_traffic_hash, hashval, hashlen);
if (label == client_application_traffic) {
if (!tls13_hkdf_expand(s, ssl_handshake_md(s), insecret,
resumption_master_secret,
sizeof(resumption_master_secret) - 1,
hashval, hashlen, s->resumption_master_secret,
hashlen, 1)) {
goto err;
}
}
if (!ossl_assert(cipher != NULL))
goto err;
if (!derive_secret_key_and_iv(s, md, cipher,
insecret, hash, label, labellen, secret, key,
&keylen, iv, &ivlen, &taglen)) {
goto err;
}
if (label == server_application_traffic) {
memcpy(s->server_app_traffic_secret, secret, hashlen);
if (!tls13_hkdf_expand(s, ssl_handshake_md(s), insecret,
exporter_master_secret,
sizeof(exporter_master_secret) - 1,
hash, hashlen, s->exporter_master_secret,
hashlen, 1)) {
goto err;
}
if (!ssl_log_secret(s, EXPORTER_SECRET_LABEL, s->exporter_master_secret,
hashlen)) {
goto err;
}
} else if (label == client_application_traffic)
memcpy(s->client_app_traffic_secret, secret, hashlen);
if (!ssl_log_secret(s, log_label, secret, hashlen)) {
goto err;
}
if (finsecret != NULL
&& !tls13_derive_finishedkey(s, ssl_handshake_md(s), secret,
finsecret, finsecretlen)) {
goto err;
}
if ((which & SSL3_CC_WRITE) != 0) {
if (!s->server && label == client_early_traffic)
s->rlayer.wrlmethod->set_plain_alerts(s->rlayer.wrl, 1);
else
s->rlayer.wrlmethod->set_plain_alerts(s->rlayer.wrl, 0);
}
level = (which & SSL3_CC_EARLY) != 0
? OSSL_RECORD_PROTECTION_LEVEL_EARLY
: ((which &SSL3_CC_HANDSHAKE) != 0
? OSSL_RECORD_PROTECTION_LEVEL_HANDSHAKE
: OSSL_RECORD_PROTECTION_LEVEL_APPLICATION);
if (!ssl_set_new_record_layer(s, s->version,
direction,
level, secret, hashlen, key, keylen, iv,
ivlen, NULL, 0, cipher, taglen, NID_undef,
NULL, NULL, md)) {
goto err;
}
ret = 1;
err:
if ((which & SSL3_CC_EARLY) != 0) {
ssl_evp_cipher_free(cipher);
}
OPENSSL_cleanse(key, sizeof(key));
OPENSSL_cleanse(secret, sizeof(secret));
return ret;
}
int tls13_update_key(SSL_CONNECTION *s, int sending)
{
static const unsigned char application_traffic[] = "\x74\x72\x61\x66\x66\x69\x63\x20\x75\x70\x64";
const EVP_MD *md = ssl_handshake_md(s);
size_t hashlen;
unsigned char key[EVP_MAX_KEY_LENGTH];
unsigned char *insecret;
unsigned char secret[EVP_MAX_MD_SIZE];
char *log_label;
size_t keylen, ivlen, taglen;
int ret = 0, l;
int direction = sending ? OSSL_RECORD_DIRECTION_WRITE
: OSSL_RECORD_DIRECTION_READ;
unsigned char iv[EVP_MAX_IV_LENGTH];
if ((l = EVP_MD_get_size(md)) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
hashlen = (size_t)l;
if (s->server == sending)
insecret = s->server_app_traffic_secret;
else
insecret = s->client_app_traffic_secret;
if (!derive_secret_key_and_iv(s, md,
s->s3.tmp.new_sym_enc, insecret, NULL,
application_traffic,
sizeof(application_traffic) - 1, secret, key,
&keylen, iv, &ivlen, &taglen)) {
goto err;
}
memcpy(insecret, secret, hashlen);
if (!ssl_set_new_record_layer(s, s->version,
direction,
OSSL_RECORD_PROTECTION_LEVEL_APPLICATION,
insecret, hashlen, key, keylen, iv, ivlen, NULL, 0,
s->s3.tmp.new_sym_enc, taglen, NID_undef, NULL,
NULL, md)) {
goto err;
}
log_label = s->server == sending ? SERVER_APPLICATION_N_LABEL : CLIENT_APPLICATION_N_LABEL;
if (!ssl_log_secret(s, log_label, secret, hashlen)) {
goto err;
}
ret = 1;
err:
OPENSSL_cleanse(key, sizeof(key));
OPENSSL_cleanse(secret, sizeof(secret));
return ret;
}
int tls13_alert_code(int code)
{
if (code == SSL_AD_MISSING_EXTENSION || code == SSL_AD_CERTIFICATE_REQUIRED)
return code;
return tls1_alert_code(code);
}
int tls13_export_keying_material(SSL_CONNECTION *s,
unsigned char *out, size_t olen,
const char *label, size_t llen,
const unsigned char *context,
size_t contextlen, int use_context)
{
unsigned char exportsecret[EVP_MAX_MD_SIZE];
static const unsigned char exporterlabel[] = "\x65\x78\x70\x6F\x72\x74\x65\x72";
unsigned char hash[EVP_MAX_MD_SIZE], data[EVP_MAX_MD_SIZE];
const EVP_MD *md = ssl_handshake_md(s);
EVP_MD_CTX *ctx = EVP_MD_CTX_new();
unsigned int hashsize, datalen;
int ret = 0;
if (ctx == NULL || md == NULL || !ossl_statem_export_allowed(s))
goto err;
if (!use_context)
contextlen = 0;
if (EVP_DigestInit_ex(ctx, md, NULL) <= 0
|| EVP_DigestUpdate(ctx, context, contextlen) <= 0
|| EVP_DigestFinal_ex(ctx, hash, &hashsize) <= 0
|| EVP_DigestInit_ex(ctx, md, NULL) <= 0
|| EVP_DigestFinal_ex(ctx, data, &datalen) <= 0
|| !tls13_hkdf_expand(s, md, s->exporter_master_secret,
(const unsigned char *)label, llen,
data, datalen, exportsecret, hashsize, 0)
|| !tls13_hkdf_expand(s, md, exportsecret, exporterlabel,
sizeof(exporterlabel) - 1, hash, hashsize,
out, olen, 0))
goto err;
ret = 1;
err:
EVP_MD_CTX_free(ctx);
return ret;
}
int tls13_export_keying_material_early(SSL_CONNECTION *s,
unsigned char *out, size_t olen,
const char *label, size_t llen,
const unsigned char *context,
size_t contextlen)
{
static const unsigned char exporterlabel[] = "\x65\x78\x70\x6F\x72\x74\x65\x72";
unsigned char exportsecret[EVP_MAX_MD_SIZE];
unsigned char hash[EVP_MAX_MD_SIZE], data[EVP_MAX_MD_SIZE];
const EVP_MD *md;
EVP_MD_CTX *ctx = EVP_MD_CTX_new();
unsigned int hashsize, datalen;
int ret = 0;
const SSL_CIPHER *sslcipher;
if (ctx == NULL || !ossl_statem_export_early_allowed(s))
goto err;
if (!s->server && s->max_early_data > 0
&& s->session->ext.max_early_data == 0)
sslcipher = SSL_SESSION_get0_cipher(s->psksession);
else
sslcipher = SSL_SESSION_get0_cipher(s->session);
md = ssl_md(SSL_CONNECTION_GET_CTX(s), sslcipher->algorithm2);
if (md == NULL
|| EVP_DigestInit_ex(ctx, md, NULL) <= 0
|| EVP_DigestUpdate(ctx, context, contextlen) <= 0
|| EVP_DigestFinal_ex(ctx, hash, &hashsize) <= 0
|| EVP_DigestInit_ex(ctx, md, NULL) <= 0
|| EVP_DigestFinal_ex(ctx, data, &datalen) <= 0
|| !tls13_hkdf_expand(s, md, s->early_exporter_master_secret,
(const unsigned char *)label, llen,
data, datalen, exportsecret, hashsize, 0)
|| !tls13_hkdf_expand(s, md, exportsecret, exporterlabel,
sizeof(exporterlabel) - 1, hash, hashsize,
out, olen, 0))
goto err;
ret = 1;
err:
EVP_MD_CTX_free(ctx);
return ret;
}
| ssl | openssl/ssl/tls13_enc.c | openssl |
#include <stdio.h>
#include "ssl_local.h"
#include "internal/e_os.h"
#include <openssl/objects.h>
#include <openssl/x509v3.h>
#include <openssl/rand.h>
#include <openssl/ocsp.h>
#include <openssl/dh.h>
#include <openssl/engine.h>
#include <openssl/async.h>
#include <openssl/ct.h>
#include <openssl/trace.h>
#include <openssl/core_names.h>
#include "internal/cryptlib.h"
#include "internal/nelem.h"
#include "internal/refcount.h"
#include "internal/ktls.h"
#include "quic/quic_local.h"
static int ssl_undefined_function_3(SSL_CONNECTION *sc, unsigned char *r,
unsigned char *s, size_t t, size_t *u)
{
return ssl_undefined_function(SSL_CONNECTION_GET_SSL(sc));
}
static int ssl_undefined_function_4(SSL_CONNECTION *sc, int r)
{
return ssl_undefined_function(SSL_CONNECTION_GET_SSL(sc));
}
static size_t ssl_undefined_function_5(SSL_CONNECTION *sc, const char *r,
size_t s, unsigned char *t)
{
return ssl_undefined_function(SSL_CONNECTION_GET_SSL(sc));
}
static int ssl_undefined_function_6(int r)
{
return ssl_undefined_function(NULL);
}
static int ssl_undefined_function_7(SSL_CONNECTION *sc, unsigned char *r,
size_t s, const char *t, size_t u,
const unsigned char *v, size_t w, int x)
{
return ssl_undefined_function(SSL_CONNECTION_GET_SSL(sc));
}
static int ssl_undefined_function_8(SSL_CONNECTION *sc)
{
return ssl_undefined_function(SSL_CONNECTION_GET_SSL(sc));
}
const SSL3_ENC_METHOD ssl3_undef_enc_method = {
ssl_undefined_function_8,
ssl_undefined_function_3,
ssl_undefined_function_4,
ssl_undefined_function_5,
NULL,
0,
NULL,
0,
ssl_undefined_function_6,
ssl_undefined_function_7,
};
struct ssl_async_args {
SSL *s;
void *buf;
size_t num;
enum { READFUNC, WRITEFUNC, OTHERFUNC } type;
union {
int (*func_read) (SSL *, void *, size_t, size_t *);
int (*func_write) (SSL *, const void *, size_t, size_t *);
int (*func_other) (SSL *);
} f;
};
static const struct {
uint8_t mtype;
uint8_t ord;
int nid;
} dane_mds[] = {
{
DANETLS_MATCHING_FULL, 0, NID_undef
},
{
DANETLS_MATCHING_2256, 1, NID_sha256
},
{
DANETLS_MATCHING_2512, 2, NID_sha512
},
};
static int dane_ctx_enable(struct dane_ctx_st *dctx)
{
const EVP_MD **mdevp;
uint8_t *mdord;
uint8_t mdmax = DANETLS_MATCHING_LAST;
int n = ((int)mdmax) + 1;
size_t i;
if (dctx->mdevp != NULL)
return 1;
mdevp = OPENSSL_zalloc(n * sizeof(*mdevp));
mdord = OPENSSL_zalloc(n * sizeof(*mdord));
if (mdord == NULL || mdevp == NULL) {
OPENSSL_free(mdord);
OPENSSL_free(mdevp);
return 0;
}
for (i = 0; i < OSSL_NELEM(dane_mds); ++i) {
const EVP_MD *md;
if (dane_mds[i].nid == NID_undef ||
(md = EVP_get_digestbynid(dane_mds[i].nid)) == NULL)
continue;
mdevp[dane_mds[i].mtype] = md;
mdord[dane_mds[i].mtype] = dane_mds[i].ord;
}
dctx->mdevp = mdevp;
dctx->mdord = mdord;
dctx->mdmax = mdmax;
return 1;
}
static void dane_ctx_final(struct dane_ctx_st *dctx)
{
OPENSSL_free(dctx->mdevp);
dctx->mdevp = NULL;
OPENSSL_free(dctx->mdord);
dctx->mdord = NULL;
dctx->mdmax = 0;
}
static void tlsa_free(danetls_record *t)
{
if (t == NULL)
return;
OPENSSL_free(t->data);
EVP_PKEY_free(t->spki);
OPENSSL_free(t);
}
static void dane_final(SSL_DANE *dane)
{
sk_danetls_record_pop_free(dane->trecs, tlsa_free);
dane->trecs = NULL;
OSSL_STACK_OF_X509_free(dane->certs);
dane->certs = NULL;
X509_free(dane->mcert);
dane->mcert = NULL;
dane->mtlsa = NULL;
dane->mdpth = -1;
dane->pdpth = -1;
}
static int ssl_dane_dup(SSL_CONNECTION *to, SSL_CONNECTION *from)
{
int num;
int i;
if (!DANETLS_ENABLED(&from->dane))
return 1;
num = sk_danetls_record_num(from->dane.trecs);
dane_final(&to->dane);
to->dane.flags = from->dane.flags;
to->dane.dctx = &SSL_CONNECTION_GET_CTX(to)->dane;
to->dane.trecs = sk_danetls_record_new_reserve(NULL, num);
if (to->dane.trecs == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB);
return 0;
}
for (i = 0; i < num; ++i) {
danetls_record *t = sk_danetls_record_value(from->dane.trecs, i);
if (SSL_dane_tlsa_add(SSL_CONNECTION_GET_SSL(to), t->usage,
t->selector, t->mtype, t->data, t->dlen) <= 0)
return 0;
}
return 1;
}
static int dane_mtype_set(struct dane_ctx_st *dctx,
const EVP_MD *md, uint8_t mtype, uint8_t ord)
{
int i;
if (mtype == DANETLS_MATCHING_FULL && md != NULL) {
ERR_raise(ERR_LIB_SSL, SSL_R_DANE_CANNOT_OVERRIDE_MTYPE_FULL);
return 0;
}
if (mtype > dctx->mdmax) {
const EVP_MD **mdevp;
uint8_t *mdord;
int n = ((int)mtype) + 1;
mdevp = OPENSSL_realloc(dctx->mdevp, n * sizeof(*mdevp));
if (mdevp == NULL)
return -1;
dctx->mdevp = mdevp;
mdord = OPENSSL_realloc(dctx->mdord, n * sizeof(*mdord));
if (mdord == NULL)
return -1;
dctx->mdord = mdord;
for (i = dctx->mdmax + 1; i < mtype; ++i) {
mdevp[i] = NULL;
mdord[i] = 0;
}
dctx->mdmax = mtype;
}
dctx->mdevp[mtype] = md;
dctx->mdord[mtype] = (md == NULL) ? 0 : ord;
return 1;
}
static const EVP_MD *tlsa_md_get(SSL_DANE *dane, uint8_t mtype)
{
if (mtype > dane->dctx->mdmax)
return NULL;
return dane->dctx->mdevp[mtype];
}
static int dane_tlsa_add(SSL_DANE *dane,
uint8_t usage,
uint8_t selector,
uint8_t mtype, const unsigned char *data, size_t dlen)
{
danetls_record *t;
const EVP_MD *md = NULL;
int ilen = (int)dlen;
int i;
int num;
if (dane->trecs == NULL) {
ERR_raise(ERR_LIB_SSL, SSL_R_DANE_NOT_ENABLED);
return -1;
}
if (ilen < 0 || dlen != (size_t)ilen) {
ERR_raise(ERR_LIB_SSL, SSL_R_DANE_TLSA_BAD_DATA_LENGTH);
return 0;
}
if (usage > DANETLS_USAGE_LAST) {
ERR_raise(ERR_LIB_SSL, SSL_R_DANE_TLSA_BAD_CERTIFICATE_USAGE);
return 0;
}
if (selector > DANETLS_SELECTOR_LAST) {
ERR_raise(ERR_LIB_SSL, SSL_R_DANE_TLSA_BAD_SELECTOR);
return 0;
}
if (mtype != DANETLS_MATCHING_FULL) {
md = tlsa_md_get(dane, mtype);
if (md == NULL) {
ERR_raise(ERR_LIB_SSL, SSL_R_DANE_TLSA_BAD_MATCHING_TYPE);
return 0;
}
}
if (md != NULL && dlen != (size_t)EVP_MD_get_size(md)) {
ERR_raise(ERR_LIB_SSL, SSL_R_DANE_TLSA_BAD_DIGEST_LENGTH);
return 0;
}
if (!data) {
ERR_raise(ERR_LIB_SSL, SSL_R_DANE_TLSA_NULL_DATA);
return 0;
}
if ((t = OPENSSL_zalloc(sizeof(*t))) == NULL)
return -1;
t->usage = usage;
t->selector = selector;
t->mtype = mtype;
t->data = OPENSSL_malloc(dlen);
if (t->data == NULL) {
tlsa_free(t);
return -1;
}
memcpy(t->data, data, dlen);
t->dlen = dlen;
if (mtype == DANETLS_MATCHING_FULL) {
const unsigned char *p = data;
X509 *cert = NULL;
EVP_PKEY *pkey = NULL;
switch (selector) {
case DANETLS_SELECTOR_CERT:
if (!d2i_X509(&cert, &p, ilen) || p < data ||
dlen != (size_t)(p - data)) {
X509_free(cert);
tlsa_free(t);
ERR_raise(ERR_LIB_SSL, SSL_R_DANE_TLSA_BAD_CERTIFICATE);
return 0;
}
if (X509_get0_pubkey(cert) == NULL) {
X509_free(cert);
tlsa_free(t);
ERR_raise(ERR_LIB_SSL, SSL_R_DANE_TLSA_BAD_CERTIFICATE);
return 0;
}
if ((DANETLS_USAGE_BIT(usage) & DANETLS_TA_MASK) == 0) {
X509_free(cert);
break;
}
if ((dane->certs == NULL &&
(dane->certs = sk_X509_new_null()) == NULL) ||
!sk_X509_push(dane->certs, cert)) {
ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB);
X509_free(cert);
tlsa_free(t);
return -1;
}
break;
case DANETLS_SELECTOR_SPKI:
if (!d2i_PUBKEY(&pkey, &p, ilen) || p < data ||
dlen != (size_t)(p - data)) {
EVP_PKEY_free(pkey);
tlsa_free(t);
ERR_raise(ERR_LIB_SSL, SSL_R_DANE_TLSA_BAD_PUBLIC_KEY);
return 0;
}
if (usage == DANETLS_USAGE_DANE_TA)
t->spki = pkey;
else
EVP_PKEY_free(pkey);
break;
}
}
num = sk_danetls_record_num(dane->trecs);
for (i = 0; i < num; ++i) {
danetls_record *rec = sk_danetls_record_value(dane->trecs, i);
if (rec->usage > usage)
continue;
if (rec->usage < usage)
break;
if (rec->selector > selector)
continue;
if (rec->selector < selector)
break;
if (dane->dctx->mdord[rec->mtype] > dane->dctx->mdord[mtype])
continue;
break;
}
if (!sk_danetls_record_insert(dane->trecs, t, i)) {
tlsa_free(t);
ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB);
return -1;
}
dane->umask |= DANETLS_USAGE_BIT(usage);
return 1;
}
static int ssl_check_allowed_versions(int min_version, int max_version)
{
int minisdtls = 0, maxisdtls = 0;
if (min_version == DTLS1_BAD_VER
|| min_version >> 8 == DTLS1_VERSION_MAJOR)
minisdtls = 1;
if (max_version == DTLS1_BAD_VER
|| max_version >> 8 == DTLS1_VERSION_MAJOR)
maxisdtls = 1;
if ((minisdtls && !maxisdtls && max_version != 0)
|| (maxisdtls && !minisdtls && min_version != 0)) {
return 0;
}
if (minisdtls || maxisdtls) {
if (min_version == 0)
min_version = DTLS1_VERSION;
if (max_version == 0)
max_version = DTLS1_2_VERSION;
#ifdef OPENSSL_NO_DTLS1_2
if (max_version == DTLS1_2_VERSION)
max_version = DTLS1_VERSION;
#endif
#ifdef OPENSSL_NO_DTLS1
if (min_version == DTLS1_VERSION)
min_version = DTLS1_2_VERSION;
#endif
if (0
#ifdef OPENSSL_NO_DTLS1
|| (DTLS_VERSION_GE(min_version, DTLS1_VERSION)
&& DTLS_VERSION_GE(DTLS1_VERSION, max_version))
#endif
#ifdef OPENSSL_NO_DTLS1_2
|| (DTLS_VERSION_GE(min_version, DTLS1_2_VERSION)
&& DTLS_VERSION_GE(DTLS1_2_VERSION, max_version))
#endif
)
return 0;
} else {
if (min_version == 0)
min_version = SSL3_VERSION;
if (max_version == 0)
max_version = TLS1_3_VERSION;
#ifdef OPENSSL_NO_TLS1_3
if (max_version == TLS1_3_VERSION)
max_version = TLS1_2_VERSION;
#endif
#ifdef OPENSSL_NO_TLS1_2
if (max_version == TLS1_2_VERSION)
max_version = TLS1_1_VERSION;
#endif
#ifdef OPENSSL_NO_TLS1_1
if (max_version == TLS1_1_VERSION)
max_version = TLS1_VERSION;
#endif
#ifdef OPENSSL_NO_TLS1
if (max_version == TLS1_VERSION)
max_version = SSL3_VERSION;
#endif
#ifdef OPENSSL_NO_SSL3
if (min_version == SSL3_VERSION)
min_version = TLS1_VERSION;
#endif
#ifdef OPENSSL_NO_TLS1
if (min_version == TLS1_VERSION)
min_version = TLS1_1_VERSION;
#endif
#ifdef OPENSSL_NO_TLS1_1
if (min_version == TLS1_1_VERSION)
min_version = TLS1_2_VERSION;
#endif
#ifdef OPENSSL_NO_TLS1_2
if (min_version == TLS1_2_VERSION)
min_version = TLS1_3_VERSION;
#endif
if (0
#ifdef OPENSSL_NO_SSL3
|| (min_version <= SSL3_VERSION && SSL3_VERSION <= max_version)
#endif
#ifdef OPENSSL_NO_TLS1
|| (min_version <= TLS1_VERSION && TLS1_VERSION <= max_version)
#endif
#ifdef OPENSSL_NO_TLS1_1
|| (min_version <= TLS1_1_VERSION && TLS1_1_VERSION <= max_version)
#endif
#ifdef OPENSSL_NO_TLS1_2
|| (min_version <= TLS1_2_VERSION && TLS1_2_VERSION <= max_version)
#endif
#ifdef OPENSSL_NO_TLS1_3
|| (min_version <= TLS1_3_VERSION && TLS1_3_VERSION <= max_version)
#endif
)
return 0;
}
return 1;
}
#if defined(__TANDEM) && defined(OPENSSL_VPROC)
# define OPENSSL_VPROC_STRING_(x) x##_SSL
# define OPENSSL_VPROC_STRING(x) OPENSSL_VPROC_STRING_(x)
# define OPENSSL_VPROC_FUNC OPENSSL_VPROC_STRING(OPENSSL_VPROC)
void OPENSSL_VPROC_FUNC(void) {}
#endif
int SSL_clear(SSL *s)
{
if (s->method == NULL) {
ERR_raise(ERR_LIB_SSL, SSL_R_NO_METHOD_SPECIFIED);
return 0;
}
return s->method->ssl_reset(s);
}
int ossl_ssl_connection_reset(SSL *s)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return 0;
if (ssl_clear_bad_session(sc)) {
SSL_SESSION_free(sc->session);
sc->session = NULL;
}
SSL_SESSION_free(sc->psksession);
sc->psksession = NULL;
OPENSSL_free(sc->psksession_id);
sc->psksession_id = NULL;
sc->psksession_id_len = 0;
sc->hello_retry_request = SSL_HRR_NONE;
sc->sent_tickets = 0;
sc->error = 0;
sc->hit = 0;
sc->shutdown = 0;
if (sc->renegotiate) {
ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
return 0;
}
ossl_statem_clear(sc);
sc->version = s->method->version;
sc->client_version = sc->version;
sc->rwstate = SSL_NOTHING;
BUF_MEM_free(sc->init_buf);
sc->init_buf = NULL;
sc->first_packet = 0;
sc->key_update = SSL_KEY_UPDATE_NONE;
memset(sc->ext.compress_certificate_from_peer, 0,
sizeof(sc->ext.compress_certificate_from_peer));
sc->ext.compress_certificate_sent = 0;
EVP_MD_CTX_free(sc->pha_dgst);
sc->pha_dgst = NULL;
sc->dane.mdpth = -1;
sc->dane.pdpth = -1;
X509_free(sc->dane.mcert);
sc->dane.mcert = NULL;
sc->dane.mtlsa = NULL;
X509_VERIFY_PARAM_move_peername(sc->param, NULL);
OPENSSL_free(sc->shared_sigalgs);
sc->shared_sigalgs = NULL;
sc->shared_sigalgslen = 0;
if (s->method != s->defltmeth) {
s->method->ssl_deinit(s);
s->method = s->defltmeth;
if (!s->method->ssl_init(s))
return 0;
} else {
if (!s->method->ssl_clear(s))
return 0;
}
if (!RECORD_LAYER_reset(&sc->rlayer))
return 0;
return 1;
}
#ifndef OPENSSL_NO_DEPRECATED_3_0
int SSL_CTX_set_ssl_version(SSL_CTX *ctx, const SSL_METHOD *meth)
{
STACK_OF(SSL_CIPHER) *sk;
if (IS_QUIC_CTX(ctx)) {
ERR_raise(ERR_LIB_SSL, SSL_R_WRONG_SSL_VERSION);
return 0;
}
ctx->method = meth;
if (!SSL_CTX_set_ciphersuites(ctx, OSSL_default_ciphersuites())) {
ERR_raise(ERR_LIB_SSL, SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS);
return 0;
}
sk = ssl_create_cipher_list(ctx,
ctx->tls13_ciphersuites,
&(ctx->cipher_list),
&(ctx->cipher_list_by_id),
OSSL_default_cipher_list(), ctx->cert);
if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= 0)) {
ERR_raise(ERR_LIB_SSL, SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS);
return 0;
}
return 1;
}
#endif
SSL *SSL_new(SSL_CTX *ctx)
{
if (ctx == NULL) {
ERR_raise(ERR_LIB_SSL, SSL_R_NULL_SSL_CTX);
return NULL;
}
if (ctx->method == NULL) {
ERR_raise(ERR_LIB_SSL, SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION);
return NULL;
}
return ctx->method->ssl_new(ctx);
}
int ossl_ssl_init(SSL *ssl, SSL_CTX *ctx, const SSL_METHOD *method, int type)
{
ssl->type = type;
ssl->lock = CRYPTO_THREAD_lock_new();
if (ssl->lock == NULL)
return 0;
if (!CRYPTO_NEW_REF(&ssl->references, 1)) {
CRYPTO_THREAD_lock_free(ssl->lock);
return 0;
}
if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL, ssl, &ssl->ex_data)) {
CRYPTO_THREAD_lock_free(ssl->lock);
CRYPTO_FREE_REF(&ssl->references);
ssl->lock = NULL;
return 0;
}
SSL_CTX_up_ref(ctx);
ssl->ctx = ctx;
ssl->defltmeth = ssl->method = method;
return 1;
}
SSL *ossl_ssl_connection_new_int(SSL_CTX *ctx, const SSL_METHOD *method)
{
SSL_CONNECTION *s;
SSL *ssl;
s = OPENSSL_zalloc(sizeof(*s));
if (s == NULL)
return NULL;
ssl = &s->ssl;
if (!ossl_ssl_init(ssl, ctx, method, SSL_TYPE_SSL_CONNECTION)) {
OPENSSL_free(s);
s = NULL;
ssl = NULL;
goto sslerr;
}
RECORD_LAYER_init(&s->rlayer, s);
s->options = ctx->options;
s->dane.flags = ctx->dane.flags;
if (method->version == ctx->method->version) {
s->min_proto_version = ctx->min_proto_version;
s->max_proto_version = ctx->max_proto_version;
}
s->mode = ctx->mode;
s->max_cert_list = ctx->max_cert_list;
s->max_early_data = ctx->max_early_data;
s->recv_max_early_data = ctx->recv_max_early_data;
s->num_tickets = ctx->num_tickets;
s->pha_enabled = ctx->pha_enabled;
s->tls13_ciphersuites = sk_SSL_CIPHER_dup(ctx->tls13_ciphersuites);
if (s->tls13_ciphersuites == NULL)
goto cerr;
s->cert = ssl_cert_dup(ctx->cert);
if (s->cert == NULL)
goto sslerr;
RECORD_LAYER_set_read_ahead(&s->rlayer, ctx->read_ahead);
s->msg_callback = ctx->msg_callback;
s->msg_callback_arg = ctx->msg_callback_arg;
s->verify_mode = ctx->verify_mode;
s->not_resumable_session_cb = ctx->not_resumable_session_cb;
s->rlayer.record_padding_cb = ctx->record_padding_cb;
s->rlayer.record_padding_arg = ctx->record_padding_arg;
s->rlayer.block_padding = ctx->block_padding;
s->sid_ctx_length = ctx->sid_ctx_length;
if (!ossl_assert(s->sid_ctx_length <= sizeof(s->sid_ctx)))
goto err;
memcpy(&s->sid_ctx, &ctx->sid_ctx, sizeof(s->sid_ctx));
s->verify_callback = ctx->default_verify_callback;
s->generate_session_id = ctx->generate_session_id;
s->param = X509_VERIFY_PARAM_new();
if (s->param == NULL)
goto asn1err;
X509_VERIFY_PARAM_inherit(s->param, ctx->param);
s->quiet_shutdown = IS_QUIC_CTX(ctx) ? 0 : ctx->quiet_shutdown;
if (!IS_QUIC_CTX(ctx))
s->ext.max_fragment_len_mode = ctx->ext.max_fragment_len_mode;
s->max_send_fragment = ctx->max_send_fragment;
s->split_send_fragment = ctx->split_send_fragment;
s->max_pipelines = ctx->max_pipelines;
s->rlayer.default_read_buf_len = ctx->default_read_buf_len;
s->ext.debug_cb = 0;
s->ext.debug_arg = NULL;
s->ext.ticket_expected = 0;
s->ext.status_type = ctx->ext.status_type;
s->ext.status_expected = 0;
s->ext.ocsp.ids = NULL;
s->ext.ocsp.exts = NULL;
s->ext.ocsp.resp = NULL;
s->ext.ocsp.resp_len = 0;
SSL_CTX_up_ref(ctx);
s->session_ctx = ctx;
if (ctx->ext.ecpointformats) {
s->ext.ecpointformats =
OPENSSL_memdup(ctx->ext.ecpointformats,
ctx->ext.ecpointformats_len);
if (!s->ext.ecpointformats) {
s->ext.ecpointformats_len = 0;
goto err;
}
s->ext.ecpointformats_len =
ctx->ext.ecpointformats_len;
}
if (ctx->ext.supportedgroups) {
s->ext.supportedgroups =
OPENSSL_memdup(ctx->ext.supportedgroups,
ctx->ext.supportedgroups_len
* sizeof(*ctx->ext.supportedgroups));
if (!s->ext.supportedgroups) {
s->ext.supportedgroups_len = 0;
goto err;
}
s->ext.supportedgroups_len = ctx->ext.supportedgroups_len;
}
#ifndef OPENSSL_NO_NEXTPROTONEG
s->ext.npn = NULL;
#endif
if (ctx->ext.alpn != NULL) {
s->ext.alpn = OPENSSL_malloc(ctx->ext.alpn_len);
if (s->ext.alpn == NULL) {
s->ext.alpn_len = 0;
goto err;
}
memcpy(s->ext.alpn, ctx->ext.alpn, ctx->ext.alpn_len);
s->ext.alpn_len = ctx->ext.alpn_len;
}
s->verified_chain = NULL;
s->verify_result = X509_V_OK;
s->default_passwd_callback = ctx->default_passwd_callback;
s->default_passwd_callback_userdata = ctx->default_passwd_callback_userdata;
s->key_update = SSL_KEY_UPDATE_NONE;
if (!IS_QUIC_CTX(ctx)) {
s->allow_early_data_cb = ctx->allow_early_data_cb;
s->allow_early_data_cb_data = ctx->allow_early_data_cb_data;
}
if (!method->ssl_init(ssl))
goto sslerr;
s->server = (method->ssl_accept == ssl_undefined_function) ? 0 : 1;
if (!method->ssl_reset(ssl))
goto sslerr;
#ifndef OPENSSL_NO_PSK
s->psk_client_callback = ctx->psk_client_callback;
s->psk_server_callback = ctx->psk_server_callback;
#endif
s->psk_find_session_cb = ctx->psk_find_session_cb;
s->psk_use_session_cb = ctx->psk_use_session_cb;
s->async_cb = ctx->async_cb;
s->async_cb_arg = ctx->async_cb_arg;
s->job = NULL;
#ifndef OPENSSL_NO_COMP_ALG
memcpy(s->cert_comp_prefs, ctx->cert_comp_prefs, sizeof(s->cert_comp_prefs));
#endif
if (ctx->client_cert_type != NULL) {
s->client_cert_type = OPENSSL_memdup(ctx->client_cert_type,
ctx->client_cert_type_len);
if (s->client_cert_type == NULL)
goto sslerr;
s->client_cert_type_len = ctx->client_cert_type_len;
}
if (ctx->server_cert_type != NULL) {
s->server_cert_type = OPENSSL_memdup(ctx->server_cert_type,
ctx->server_cert_type_len);
if (s->server_cert_type == NULL)
goto sslerr;
s->server_cert_type_len = ctx->server_cert_type_len;
}
#ifndef OPENSSL_NO_CT
if (!SSL_set_ct_validation_callback(ssl, ctx->ct_validation_callback,
ctx->ct_validation_callback_arg))
goto sslerr;
#endif
s->ssl_pkey_num = SSL_PKEY_NUM + ctx->sigalg_list_len;
return ssl;
cerr:
ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB);
goto err;
asn1err:
ERR_raise(ERR_LIB_SSL, ERR_R_ASN1_LIB);
goto err;
sslerr:
ERR_raise(ERR_LIB_SSL, ERR_R_SSL_LIB);
err:
SSL_free(ssl);
return NULL;
}
SSL *ossl_ssl_connection_new(SSL_CTX *ctx)
{
return ossl_ssl_connection_new_int(ctx, ctx->method);
}
int SSL_is_dtls(const SSL *s)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
#ifndef OPENSSL_NO_QUIC
if (s->type == SSL_TYPE_QUIC_CONNECTION || s->type == SSL_TYPE_QUIC_XSO)
return 0;
#endif
if (sc == NULL)
return 0;
return SSL_CONNECTION_IS_DTLS(sc) ? 1 : 0;
}
int SSL_is_tls(const SSL *s)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
#ifndef OPENSSL_NO_QUIC
if (s->type == SSL_TYPE_QUIC_CONNECTION || s->type == SSL_TYPE_QUIC_XSO)
return 0;
#endif
if (sc == NULL)
return 0;
return SSL_CONNECTION_IS_DTLS(sc) ? 0 : 1;
}
int SSL_is_quic(const SSL *s)
{
#ifndef OPENSSL_NO_QUIC
if (s->type == SSL_TYPE_QUIC_CONNECTION || s->type == SSL_TYPE_QUIC_XSO)
return 1;
#endif
return 0;
}
int SSL_up_ref(SSL *s)
{
int i;
if (CRYPTO_UP_REF(&s->references, &i) <= 0)
return 0;
REF_PRINT_COUNT("SSL", s);
REF_ASSERT_ISNT(i < 2);
return ((i > 1) ? 1 : 0);
}
int SSL_CTX_set_session_id_context(SSL_CTX *ctx, const unsigned char *sid_ctx,
unsigned int sid_ctx_len)
{
if (sid_ctx_len > SSL_MAX_SID_CTX_LENGTH) {
ERR_raise(ERR_LIB_SSL, SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG);
return 0;
}
ctx->sid_ctx_length = sid_ctx_len;
memcpy(ctx->sid_ctx, sid_ctx, sid_ctx_len);
return 1;
}
int SSL_set_session_id_context(SSL *ssl, const unsigned char *sid_ctx,
unsigned int sid_ctx_len)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl);
if (sc == NULL)
return 0;
if (sid_ctx_len > SSL_MAX_SID_CTX_LENGTH) {
ERR_raise(ERR_LIB_SSL, SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG);
return 0;
}
sc->sid_ctx_length = sid_ctx_len;
memcpy(sc->sid_ctx, sid_ctx, sid_ctx_len);
return 1;
}
int SSL_CTX_set_generate_session_id(SSL_CTX *ctx, GEN_SESSION_CB cb)
{
if (!CRYPTO_THREAD_write_lock(ctx->lock))
return 0;
ctx->generate_session_id = cb;
CRYPTO_THREAD_unlock(ctx->lock);
return 1;
}
int SSL_set_generate_session_id(SSL *ssl, GEN_SESSION_CB cb)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl);
if (sc == NULL || !CRYPTO_THREAD_write_lock(ssl->lock))
return 0;
sc->generate_session_id = cb;
CRYPTO_THREAD_unlock(ssl->lock);
return 1;
}
int SSL_has_matching_session_id(const SSL *ssl, const unsigned char *id,
unsigned int id_len)
{
SSL_SESSION r, *p;
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(ssl);
if (sc == NULL || id_len > sizeof(r.session_id))
return 0;
r.ssl_version = sc->version;
r.session_id_length = id_len;
memcpy(r.session_id, id, id_len);
if (!CRYPTO_THREAD_read_lock(sc->session_ctx->lock))
return 0;
p = lh_SSL_SESSION_retrieve(sc->session_ctx->sessions, &r);
CRYPTO_THREAD_unlock(sc->session_ctx->lock);
return (p != NULL);
}
int SSL_CTX_set_purpose(SSL_CTX *s, int purpose)
{
return X509_VERIFY_PARAM_set_purpose(s->param, purpose);
}
int SSL_set_purpose(SSL *s, int purpose)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return 0;
return X509_VERIFY_PARAM_set_purpose(sc->param, purpose);
}
int SSL_CTX_set_trust(SSL_CTX *s, int trust)
{
return X509_VERIFY_PARAM_set_trust(s->param, trust);
}
int SSL_set_trust(SSL *s, int trust)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return 0;
return X509_VERIFY_PARAM_set_trust(sc->param, trust);
}
int SSL_set1_host(SSL *s, const char *hostname)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return 0;
if (hostname != NULL
&& X509_VERIFY_PARAM_set1_ip_asc(sc->param, hostname) == 1)
return 1;
return X509_VERIFY_PARAM_set1_host(sc->param, hostname, 0);
}
int SSL_add1_host(SSL *s, const char *hostname)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return 0;
if (hostname)
{
ASN1_OCTET_STRING *ip;
char *old_ip;
ip = a2i_IPADDRESS(hostname);
if (ip) {
ASN1_OCTET_STRING_free(ip);
old_ip = X509_VERIFY_PARAM_get1_ip_asc(sc->param);
if (old_ip)
{
OPENSSL_free(old_ip);
return 0;
}
return X509_VERIFY_PARAM_set1_ip_asc(sc->param, hostname);
}
}
return X509_VERIFY_PARAM_add1_host(sc->param, hostname, 0);
}
void SSL_set_hostflags(SSL *s, unsigned int flags)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return;
X509_VERIFY_PARAM_set_hostflags(sc->param, flags);
}
const char *SSL_get0_peername(SSL *s)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return NULL;
return X509_VERIFY_PARAM_get0_peername(sc->param);
}
int SSL_CTX_dane_enable(SSL_CTX *ctx)
{
return dane_ctx_enable(&ctx->dane);
}
unsigned long SSL_CTX_dane_set_flags(SSL_CTX *ctx, unsigned long flags)
{
unsigned long orig = ctx->dane.flags;
ctx->dane.flags |= flags;
return orig;
}
unsigned long SSL_CTX_dane_clear_flags(SSL_CTX *ctx, unsigned long flags)
{
unsigned long orig = ctx->dane.flags;
ctx->dane.flags &= ~flags;
return orig;
}
int SSL_dane_enable(SSL *s, const char *basedomain)
{
SSL_DANE *dane;
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return 0;
dane = &sc->dane;
if (s->ctx->dane.mdmax == 0) {
ERR_raise(ERR_LIB_SSL, SSL_R_CONTEXT_NOT_DANE_ENABLED);
return 0;
}
if (dane->trecs != NULL) {
ERR_raise(ERR_LIB_SSL, SSL_R_DANE_ALREADY_ENABLED);
return 0;
}
if (sc->ext.hostname == NULL) {
if (!SSL_set_tlsext_host_name(s, basedomain)) {
ERR_raise(ERR_LIB_SSL, SSL_R_ERROR_SETTING_TLSA_BASE_DOMAIN);
return -1;
}
}
if (!X509_VERIFY_PARAM_set1_host(sc->param, basedomain, 0)) {
ERR_raise(ERR_LIB_SSL, SSL_R_ERROR_SETTING_TLSA_BASE_DOMAIN);
return -1;
}
dane->mdpth = -1;
dane->pdpth = -1;
dane->dctx = &s->ctx->dane;
dane->trecs = sk_danetls_record_new_null();
if (dane->trecs == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB);
return -1;
}
return 1;
}
unsigned long SSL_dane_set_flags(SSL *ssl, unsigned long flags)
{
unsigned long orig;
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl);
if (sc == NULL)
return 0;
orig = sc->dane.flags;
sc->dane.flags |= flags;
return orig;
}
unsigned long SSL_dane_clear_flags(SSL *ssl, unsigned long flags)
{
unsigned long orig;
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl);
if (sc == NULL)
return 0;
orig = sc->dane.flags;
sc->dane.flags &= ~flags;
return orig;
}
int SSL_get0_dane_authority(SSL *s, X509 **mcert, EVP_PKEY **mspki)
{
SSL_DANE *dane;
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return -1;
dane = &sc->dane;
if (!DANETLS_ENABLED(dane) || sc->verify_result != X509_V_OK)
return -1;
if (dane->mtlsa) {
if (mcert)
*mcert = dane->mcert;
if (mspki)
*mspki = (dane->mcert == NULL) ? dane->mtlsa->spki : NULL;
}
return dane->mdpth;
}
int SSL_get0_dane_tlsa(SSL *s, uint8_t *usage, uint8_t *selector,
uint8_t *mtype, const unsigned char **data, size_t *dlen)
{
SSL_DANE *dane;
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return -1;
dane = &sc->dane;
if (!DANETLS_ENABLED(dane) || sc->verify_result != X509_V_OK)
return -1;
if (dane->mtlsa) {
if (usage)
*usage = dane->mtlsa->usage;
if (selector)
*selector = dane->mtlsa->selector;
if (mtype)
*mtype = dane->mtlsa->mtype;
if (data)
*data = dane->mtlsa->data;
if (dlen)
*dlen = dane->mtlsa->dlen;
}
return dane->mdpth;
}
SSL_DANE *SSL_get0_dane(SSL *s)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return NULL;
return &sc->dane;
}
int SSL_dane_tlsa_add(SSL *s, uint8_t usage, uint8_t selector,
uint8_t mtype, const unsigned char *data, size_t dlen)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return 0;
return dane_tlsa_add(&sc->dane, usage, selector, mtype, data, dlen);
}
int SSL_CTX_dane_mtype_set(SSL_CTX *ctx, const EVP_MD *md, uint8_t mtype,
uint8_t ord)
{
return dane_mtype_set(&ctx->dane, md, mtype, ord);
}
int SSL_CTX_set1_param(SSL_CTX *ctx, X509_VERIFY_PARAM *vpm)
{
return X509_VERIFY_PARAM_set1(ctx->param, vpm);
}
int SSL_set1_param(SSL *ssl, X509_VERIFY_PARAM *vpm)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl);
if (sc == NULL)
return 0;
return X509_VERIFY_PARAM_set1(sc->param, vpm);
}
X509_VERIFY_PARAM *SSL_CTX_get0_param(SSL_CTX *ctx)
{
return ctx->param;
}
X509_VERIFY_PARAM *SSL_get0_param(SSL *ssl)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl);
if (sc == NULL)
return NULL;
return sc->param;
}
void SSL_certs_clear(SSL *s)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return;
ssl_cert_clear_certs(sc->cert);
}
void SSL_free(SSL *s)
{
int i;
if (s == NULL)
return;
CRYPTO_DOWN_REF(&s->references, &i);
REF_PRINT_COUNT("SSL", s);
if (i > 0)
return;
REF_ASSERT_ISNT(i < 0);
CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL, s, &s->ex_data);
if (s->method != NULL)
s->method->ssl_free(s);
SSL_CTX_free(s->ctx);
CRYPTO_THREAD_lock_free(s->lock);
CRYPTO_FREE_REF(&s->references);
OPENSSL_free(s);
}
void ossl_ssl_connection_free(SSL *ssl)
{
SSL_CONNECTION *s;
s = SSL_CONNECTION_FROM_SSL_ONLY(ssl);
if (s == NULL)
return;
X509_VERIFY_PARAM_free(s->param);
dane_final(&s->dane);
ssl_free_wbio_buffer(s);
RECORD_LAYER_clear(&s->rlayer);
BUF_MEM_free(s->init_buf);
sk_SSL_CIPHER_free(s->cipher_list);
sk_SSL_CIPHER_free(s->cipher_list_by_id);
sk_SSL_CIPHER_free(s->tls13_ciphersuites);
sk_SSL_CIPHER_free(s->peer_ciphers);
if (s->session != NULL) {
ssl_clear_bad_session(s);
SSL_SESSION_free(s->session);
}
SSL_SESSION_free(s->psksession);
OPENSSL_free(s->psksession_id);
ssl_cert_free(s->cert);
OPENSSL_free(s->shared_sigalgs);
OPENSSL_free(s->ext.hostname);
SSL_CTX_free(s->session_ctx);
OPENSSL_free(s->ext.ecpointformats);
OPENSSL_free(s->ext.peer_ecpointformats);
OPENSSL_free(s->ext.supportedgroups);
OPENSSL_free(s->ext.peer_supportedgroups);
sk_X509_EXTENSION_pop_free(s->ext.ocsp.exts, X509_EXTENSION_free);
#ifndef OPENSSL_NO_OCSP
sk_OCSP_RESPID_pop_free(s->ext.ocsp.ids, OCSP_RESPID_free);
#endif
#ifndef OPENSSL_NO_CT
SCT_LIST_free(s->scts);
OPENSSL_free(s->ext.scts);
#endif
OPENSSL_free(s->ext.ocsp.resp);
OPENSSL_free(s->ext.alpn);
OPENSSL_free(s->ext.tls13_cookie);
if (s->clienthello != NULL)
OPENSSL_free(s->clienthello->pre_proc_exts);
OPENSSL_free(s->clienthello);
OPENSSL_free(s->pha_context);
EVP_MD_CTX_free(s->pha_dgst);
sk_X509_NAME_pop_free(s->ca_names, X509_NAME_free);
sk_X509_NAME_pop_free(s->client_ca_names, X509_NAME_free);
OPENSSL_free(s->client_cert_type);
OPENSSL_free(s->server_cert_type);
OSSL_STACK_OF_X509_free(s->verified_chain);
if (ssl->method != NULL)
ssl->method->ssl_deinit(ssl);
ASYNC_WAIT_CTX_free(s->waitctx);
#if !defined(OPENSSL_NO_NEXTPROTONEG)
OPENSSL_free(s->ext.npn);
#endif
#ifndef OPENSSL_NO_SRTP
sk_SRTP_PROTECTION_PROFILE_free(s->srtp_profiles);
#endif
BIO_free_all(s->wbio);
s->wbio = NULL;
BIO_free_all(s->rbio);
s->rbio = NULL;
OPENSSL_free(s->s3.tmp.valid_flags);
}
void SSL_set0_rbio(SSL *s, BIO *rbio)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
#ifndef OPENSSL_NO_QUIC
if (IS_QUIC(s)) {
ossl_quic_conn_set0_net_rbio(s, rbio);
return;
}
#endif
if (sc == NULL)
return;
BIO_free_all(sc->rbio);
sc->rbio = rbio;
sc->rlayer.rrlmethod->set1_bio(sc->rlayer.rrl, sc->rbio);
}
void SSL_set0_wbio(SSL *s, BIO *wbio)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
#ifndef OPENSSL_NO_QUIC
if (IS_QUIC(s)) {
ossl_quic_conn_set0_net_wbio(s, wbio);
return;
}
#endif
if (sc == NULL)
return;
if (sc->bbio != NULL)
sc->wbio = BIO_pop(sc->wbio);
BIO_free_all(sc->wbio);
sc->wbio = wbio;
if (sc->bbio != NULL)
sc->wbio = BIO_push(sc->bbio, sc->wbio);
sc->rlayer.wrlmethod->set1_bio(sc->rlayer.wrl, sc->wbio);
}
void SSL_set_bio(SSL *s, BIO *rbio, BIO *wbio)
{
if (rbio == SSL_get_rbio(s) && wbio == SSL_get_wbio(s))
return;
if (rbio != NULL && rbio == wbio)
BIO_up_ref(rbio);
if (rbio == SSL_get_rbio(s)) {
SSL_set0_wbio(s, wbio);
return;
}
if (wbio == SSL_get_wbio(s) && SSL_get_rbio(s) != SSL_get_wbio(s)) {
SSL_set0_rbio(s, rbio);
return;
}
SSL_set0_rbio(s, rbio);
SSL_set0_wbio(s, wbio);
}
BIO *SSL_get_rbio(const SSL *s)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
#ifndef OPENSSL_NO_QUIC
if (IS_QUIC(s))
return ossl_quic_conn_get_net_rbio(s);
#endif
if (sc == NULL)
return NULL;
return sc->rbio;
}
BIO *SSL_get_wbio(const SSL *s)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
#ifndef OPENSSL_NO_QUIC
if (IS_QUIC(s))
return ossl_quic_conn_get_net_wbio(s);
#endif
if (sc == NULL)
return NULL;
if (sc->bbio != NULL) {
return BIO_next(sc->bbio);
}
return sc->wbio;
}
int SSL_get_fd(const SSL *s)
{
return SSL_get_rfd(s);
}
int SSL_get_rfd(const SSL *s)
{
int ret = -1;
BIO *b, *r;
b = SSL_get_rbio(s);
r = BIO_find_type(b, BIO_TYPE_DESCRIPTOR);
if (r != NULL)
BIO_get_fd(r, &ret);
return ret;
}
int SSL_get_wfd(const SSL *s)
{
int ret = -1;
BIO *b, *r;
b = SSL_get_wbio(s);
r = BIO_find_type(b, BIO_TYPE_DESCRIPTOR);
if (r != NULL)
BIO_get_fd(r, &ret);
return ret;
}
#ifndef OPENSSL_NO_SOCK
static const BIO_METHOD *fd_method(SSL *s)
{
#ifndef OPENSSL_NO_DGRAM
if (IS_QUIC(s))
return BIO_s_datagram();
#endif
return BIO_s_socket();
}
int SSL_set_fd(SSL *s, int fd)
{
int ret = 0;
BIO *bio = NULL;
if (s->type == SSL_TYPE_QUIC_XSO) {
ERR_raise(ERR_LIB_SSL, SSL_R_CONN_USE_ONLY);
goto err;
}
bio = BIO_new(fd_method(s));
if (bio == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_BUF_LIB);
goto err;
}
BIO_set_fd(bio, fd, BIO_NOCLOSE);
SSL_set_bio(s, bio, bio);
#ifndef OPENSSL_NO_KTLS
ktls_enable(fd);
#endif
ret = 1;
err:
return ret;
}
int SSL_set_wfd(SSL *s, int fd)
{
BIO *rbio = SSL_get_rbio(s);
int desired_type = IS_QUIC(s) ? BIO_TYPE_DGRAM : BIO_TYPE_SOCKET;
if (s->type == SSL_TYPE_QUIC_XSO) {
ERR_raise(ERR_LIB_SSL, SSL_R_CONN_USE_ONLY);
return 0;
}
if (rbio == NULL || BIO_method_type(rbio) != desired_type
|| (int)BIO_get_fd(rbio, NULL) != fd) {
BIO *bio = BIO_new(fd_method(s));
if (bio == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_BUF_LIB);
return 0;
}
BIO_set_fd(bio, fd, BIO_NOCLOSE);
SSL_set0_wbio(s, bio);
#ifndef OPENSSL_NO_KTLS
ktls_enable(fd);
#endif
} else {
BIO_up_ref(rbio);
SSL_set0_wbio(s, rbio);
}
return 1;
}
int SSL_set_rfd(SSL *s, int fd)
{
BIO *wbio = SSL_get_wbio(s);
int desired_type = IS_QUIC(s) ? BIO_TYPE_DGRAM : BIO_TYPE_SOCKET;
if (s->type == SSL_TYPE_QUIC_XSO) {
ERR_raise(ERR_LIB_SSL, SSL_R_CONN_USE_ONLY);
return 0;
}
if (wbio == NULL || BIO_method_type(wbio) != desired_type
|| ((int)BIO_get_fd(wbio, NULL) != fd)) {
BIO *bio = BIO_new(fd_method(s));
if (bio == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_BUF_LIB);
return 0;
}
BIO_set_fd(bio, fd, BIO_NOCLOSE);
SSL_set0_rbio(s, bio);
} else {
BIO_up_ref(wbio);
SSL_set0_rbio(s, wbio);
}
return 1;
}
#endif
size_t SSL_get_finished(const SSL *s, void *buf, size_t count)
{
size_t ret = 0;
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
if (sc == NULL)
return 0;
ret = sc->s3.tmp.finish_md_len;
if (count > ret)
count = ret;
memcpy(buf, sc->s3.tmp.finish_md, count);
return ret;
}
size_t SSL_get_peer_finished(const SSL *s, void *buf, size_t count)
{
size_t ret = 0;
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
if (sc == NULL)
return 0;
ret = sc->s3.tmp.peer_finish_md_len;
if (count > ret)
count = ret;
memcpy(buf, sc->s3.tmp.peer_finish_md, count);
return ret;
}
int SSL_get_verify_mode(const SSL *s)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
if (sc == NULL)
return 0;
return sc->verify_mode;
}
int SSL_get_verify_depth(const SSL *s)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
if (sc == NULL)
return 0;
return X509_VERIFY_PARAM_get_depth(sc->param);
}
int (*SSL_get_verify_callback(const SSL *s)) (int, X509_STORE_CTX *) {
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
if (sc == NULL)
return NULL;
return sc->verify_callback;
}
int SSL_CTX_get_verify_mode(const SSL_CTX *ctx)
{
return ctx->verify_mode;
}
int SSL_CTX_get_verify_depth(const SSL_CTX *ctx)
{
return X509_VERIFY_PARAM_get_depth(ctx->param);
}
int (*SSL_CTX_get_verify_callback(const SSL_CTX *ctx)) (int, X509_STORE_CTX *) {
return ctx->default_verify_callback;
}
void SSL_set_verify(SSL *s, int mode,
int (*callback) (int ok, X509_STORE_CTX *ctx))
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return;
sc->verify_mode = mode;
if (callback != NULL)
sc->verify_callback = callback;
}
void SSL_set_verify_depth(SSL *s, int depth)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return;
X509_VERIFY_PARAM_set_depth(sc->param, depth);
}
void SSL_set_read_ahead(SSL *s, int yes)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s);
OSSL_PARAM options[2], *opts = options;
if (sc == NULL)
return;
RECORD_LAYER_set_read_ahead(&sc->rlayer, yes);
*opts++ = OSSL_PARAM_construct_int(OSSL_LIBSSL_RECORD_LAYER_PARAM_READ_AHEAD,
&sc->rlayer.read_ahead);
*opts = OSSL_PARAM_construct_end();
sc->rlayer.rrlmethod->set_options(sc->rlayer.rrl, options);
}
int SSL_get_read_ahead(const SSL *s)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL_ONLY(s);
if (sc == NULL)
return 0;
return RECORD_LAYER_get_read_ahead(&sc->rlayer);
}
int SSL_pending(const SSL *s)
{
size_t pending = s->method->ssl_pending(s);
return pending < INT_MAX ? (int)pending : INT_MAX;
}
int SSL_has_pending(const SSL *s)
{
const SSL_CONNECTION *sc;
#ifndef OPENSSL_NO_QUIC
if (IS_QUIC(s))
return ossl_quic_has_pending(s);
#endif
sc = SSL_CONNECTION_FROM_CONST_SSL(s);
if (SSL_CONNECTION_IS_DTLS(sc)) {
TLS_RECORD *rdata;
pitem *item, *iter;
iter = pqueue_iterator(sc->rlayer.d->buffered_app_data);
while ((item = pqueue_next(&iter)) != NULL) {
rdata = item->data;
if (rdata->length > 0)
return 1;
}
}
if (RECORD_LAYER_processed_read_pending(&sc->rlayer))
return 1;
return RECORD_LAYER_read_pending(&sc->rlayer);
}
X509 *SSL_get1_peer_certificate(const SSL *s)
{
X509 *r = SSL_get0_peer_certificate(s);
if (r != NULL)
X509_up_ref(r);
return r;
}
X509 *SSL_get0_peer_certificate(const SSL *s)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
if (sc == NULL)
return NULL;
if (sc->session == NULL)
return NULL;
else
return sc->session->peer;
}
STACK_OF(X509) *SSL_get_peer_cert_chain(const SSL *s)
{
STACK_OF(X509) *r;
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
if (sc == NULL)
return NULL;
if (sc->session == NULL)
r = NULL;
else
r = sc->session->peer_chain;
return r;
}
int SSL_copy_session_id(SSL *t, const SSL *f)
{
int i;
SSL_CONNECTION *tsc = SSL_CONNECTION_FROM_SSL_ONLY(t);
const SSL_CONNECTION *fsc = SSL_CONNECTION_FROM_CONST_SSL_ONLY(f);
if (tsc == NULL || fsc == NULL)
return 0;
if (!SSL_set_session(t, SSL_get_session(f))) {
return 0;
}
if (t->method != f->method) {
t->method->ssl_deinit(t);
t->method = f->method;
if (t->method->ssl_init(t) == 0)
return 0;
}
CRYPTO_UP_REF(&fsc->cert->references, &i);
ssl_cert_free(tsc->cert);
tsc->cert = fsc->cert;
if (!SSL_set_session_id_context(t, fsc->sid_ctx, (int)fsc->sid_ctx_length)) {
return 0;
}
return 1;
}
int SSL_CTX_check_private_key(const SSL_CTX *ctx)
{
if ((ctx == NULL) || (ctx->cert->key->x509 == NULL)) {
ERR_raise(ERR_LIB_SSL, SSL_R_NO_CERTIFICATE_ASSIGNED);
return 0;
}
if (ctx->cert->key->privatekey == NULL) {
ERR_raise(ERR_LIB_SSL, SSL_R_NO_PRIVATE_KEY_ASSIGNED);
return 0;
}
return X509_check_private_key
(ctx->cert->key->x509, ctx->cert->key->privatekey);
}
int SSL_check_private_key(const SSL *ssl)
{
const SSL_CONNECTION *sc;
if ((sc = SSL_CONNECTION_FROM_CONST_SSL(ssl)) == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_NULL_PARAMETER);
return 0;
}
if (sc->cert->key->x509 == NULL) {
ERR_raise(ERR_LIB_SSL, SSL_R_NO_CERTIFICATE_ASSIGNED);
return 0;
}
if (sc->cert->key->privatekey == NULL) {
ERR_raise(ERR_LIB_SSL, SSL_R_NO_PRIVATE_KEY_ASSIGNED);
return 0;
}
return X509_check_private_key(sc->cert->key->x509,
sc->cert->key->privatekey);
}
int SSL_waiting_for_async(SSL *s)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return 0;
if (sc->job)
return 1;
return 0;
}
int SSL_get_all_async_fds(SSL *s, OSSL_ASYNC_FD *fds, size_t *numfds)
{
ASYNC_WAIT_CTX *ctx;
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return 0;
if ((ctx = sc->waitctx) == NULL)
return 0;
return ASYNC_WAIT_CTX_get_all_fds(ctx, fds, numfds);
}
int SSL_get_changed_async_fds(SSL *s, OSSL_ASYNC_FD *addfd, size_t *numaddfds,
OSSL_ASYNC_FD *delfd, size_t *numdelfds)
{
ASYNC_WAIT_CTX *ctx;
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return 0;
if ((ctx = sc->waitctx) == NULL)
return 0;
return ASYNC_WAIT_CTX_get_changed_fds(ctx, addfd, numaddfds, delfd,
numdelfds);
}
int SSL_CTX_set_async_callback(SSL_CTX *ctx, SSL_async_callback_fn callback)
{
ctx->async_cb = callback;
return 1;
}
int SSL_CTX_set_async_callback_arg(SSL_CTX *ctx, void *arg)
{
ctx->async_cb_arg = arg;
return 1;
}
int SSL_set_async_callback(SSL *s, SSL_async_callback_fn callback)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return 0;
sc->async_cb = callback;
return 1;
}
int SSL_set_async_callback_arg(SSL *s, void *arg)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return 0;
sc->async_cb_arg = arg;
return 1;
}
int SSL_get_async_status(SSL *s, int *status)
{
ASYNC_WAIT_CTX *ctx;
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return 0;
if ((ctx = sc->waitctx) == NULL)
return 0;
*status = ASYNC_WAIT_CTX_get_status(ctx);
return 1;
}
int SSL_accept(SSL *s)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
#ifndef OPENSSL_NO_QUIC
if (IS_QUIC(s))
return s->method->ssl_accept(s);
#endif
if (sc == NULL)
return 0;
if (sc->handshake_func == NULL) {
SSL_set_accept_state(s);
}
return SSL_do_handshake(s);
}
int SSL_connect(SSL *s)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
#ifndef OPENSSL_NO_QUIC
if (IS_QUIC(s))
return s->method->ssl_connect(s);
#endif
if (sc == NULL)
return 0;
if (sc->handshake_func == NULL) {
SSL_set_connect_state(s);
}
return SSL_do_handshake(s);
}
long SSL_get_default_timeout(const SSL *s)
{
return (long int)ossl_time2seconds(s->method->get_timeout());
}
static int ssl_async_wait_ctx_cb(void *arg)
{
SSL *s = (SSL *)arg;
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return 0;
return sc->async_cb(s, sc->async_cb_arg);
}
static int ssl_start_async_job(SSL *s, struct ssl_async_args *args,
int (*func) (void *))
{
int ret;
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return 0;
if (sc->waitctx == NULL) {
sc->waitctx = ASYNC_WAIT_CTX_new();
if (sc->waitctx == NULL)
return -1;
if (sc->async_cb != NULL
&& !ASYNC_WAIT_CTX_set_callback
(sc->waitctx, ssl_async_wait_ctx_cb, s))
return -1;
}
sc->rwstate = SSL_NOTHING;
switch (ASYNC_start_job(&sc->job, sc->waitctx, &ret, func, args,
sizeof(struct ssl_async_args))) {
case ASYNC_ERR:
sc->rwstate = SSL_NOTHING;
ERR_raise(ERR_LIB_SSL, SSL_R_FAILED_TO_INIT_ASYNC);
return -1;
case ASYNC_PAUSE:
sc->rwstate = SSL_ASYNC_PAUSED;
return -1;
case ASYNC_NO_JOBS:
sc->rwstate = SSL_ASYNC_NO_JOBS;
return -1;
case ASYNC_FINISH:
sc->job = NULL;
return ret;
default:
sc->rwstate = SSL_NOTHING;
ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
return -1;
}
}
static int ssl_io_intern(void *vargs)
{
struct ssl_async_args *args;
SSL *s;
void *buf;
size_t num;
SSL_CONNECTION *sc;
args = (struct ssl_async_args *)vargs;
s = args->s;
buf = args->buf;
num = args->num;
if ((sc = SSL_CONNECTION_FROM_SSL(s)) == NULL)
return -1;
switch (args->type) {
case READFUNC:
return args->f.func_read(s, buf, num, &sc->asyncrw);
case WRITEFUNC:
return args->f.func_write(s, buf, num, &sc->asyncrw);
case OTHERFUNC:
return args->f.func_other(s);
}
return -1;
}
int ssl_read_internal(SSL *s, void *buf, size_t num, size_t *readbytes)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
#ifndef OPENSSL_NO_QUIC
if (IS_QUIC(s))
return s->method->ssl_read(s, buf, num, readbytes);
#endif
if (sc == NULL)
return -1;
if (sc->handshake_func == NULL) {
ERR_raise(ERR_LIB_SSL, SSL_R_UNINITIALIZED);
return -1;
}
if (sc->shutdown & SSL_RECEIVED_SHUTDOWN) {
sc->rwstate = SSL_NOTHING;
return 0;
}
if (sc->early_data_state == SSL_EARLY_DATA_CONNECT_RETRY
|| sc->early_data_state == SSL_EARLY_DATA_ACCEPT_RETRY) {
ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
return 0;
}
ossl_statem_check_finish_init(sc, 0);
if ((sc->mode & SSL_MODE_ASYNC) && ASYNC_get_current_job() == NULL) {
struct ssl_async_args args;
int ret;
args.s = s;
args.buf = buf;
args.num = num;
args.type = READFUNC;
args.f.func_read = s->method->ssl_read;
ret = ssl_start_async_job(s, &args, ssl_io_intern);
*readbytes = sc->asyncrw;
return ret;
} else {
return s->method->ssl_read(s, buf, num, readbytes);
}
}
int SSL_read(SSL *s, void *buf, int num)
{
int ret;
size_t readbytes;
if (num < 0) {
ERR_raise(ERR_LIB_SSL, SSL_R_BAD_LENGTH);
return -1;
}
ret = ssl_read_internal(s, buf, (size_t)num, &readbytes);
if (ret > 0)
ret = (int)readbytes;
return ret;
}
int SSL_read_ex(SSL *s, void *buf, size_t num, size_t *readbytes)
{
int ret = ssl_read_internal(s, buf, num, readbytes);
if (ret < 0)
ret = 0;
return ret;
}
int SSL_read_early_data(SSL *s, void *buf, size_t num, size_t *readbytes)
{
int ret;
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s);
if (sc == NULL || !sc->server) {
ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
return SSL_READ_EARLY_DATA_ERROR;
}
switch (sc->early_data_state) {
case SSL_EARLY_DATA_NONE:
if (!SSL_in_before(s)) {
ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
return SSL_READ_EARLY_DATA_ERROR;
}
case SSL_EARLY_DATA_ACCEPT_RETRY:
sc->early_data_state = SSL_EARLY_DATA_ACCEPTING;
ret = SSL_accept(s);
if (ret <= 0) {
sc->early_data_state = SSL_EARLY_DATA_ACCEPT_RETRY;
return SSL_READ_EARLY_DATA_ERROR;
}
case SSL_EARLY_DATA_READ_RETRY:
if (sc->ext.early_data == SSL_EARLY_DATA_ACCEPTED) {
sc->early_data_state = SSL_EARLY_DATA_READING;
ret = SSL_read_ex(s, buf, num, readbytes);
if (ret > 0 || (ret <= 0 && sc->early_data_state
!= SSL_EARLY_DATA_FINISHED_READING)) {
sc->early_data_state = SSL_EARLY_DATA_READ_RETRY;
return ret > 0 ? SSL_READ_EARLY_DATA_SUCCESS
: SSL_READ_EARLY_DATA_ERROR;
}
} else {
sc->early_data_state = SSL_EARLY_DATA_FINISHED_READING;
}
*readbytes = 0;
return SSL_READ_EARLY_DATA_FINISH;
default:
ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
return SSL_READ_EARLY_DATA_ERROR;
}
}
int SSL_get_early_data_status(const SSL *s)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL_ONLY(s);
if (sc == NULL)
return 0;
return sc->ext.early_data;
}
static int ssl_peek_internal(SSL *s, void *buf, size_t num, size_t *readbytes)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
#ifndef OPENSSL_NO_QUIC
if (IS_QUIC(s))
return s->method->ssl_peek(s, buf, num, readbytes);
#endif
if (sc == NULL)
return 0;
if (sc->handshake_func == NULL) {
ERR_raise(ERR_LIB_SSL, SSL_R_UNINITIALIZED);
return -1;
}
if (sc->shutdown & SSL_RECEIVED_SHUTDOWN) {
return 0;
}
if ((sc->mode & SSL_MODE_ASYNC) && ASYNC_get_current_job() == NULL) {
struct ssl_async_args args;
int ret;
args.s = s;
args.buf = buf;
args.num = num;
args.type = READFUNC;
args.f.func_read = s->method->ssl_peek;
ret = ssl_start_async_job(s, &args, ssl_io_intern);
*readbytes = sc->asyncrw;
return ret;
} else {
return s->method->ssl_peek(s, buf, num, readbytes);
}
}
int SSL_peek(SSL *s, void *buf, int num)
{
int ret;
size_t readbytes;
if (num < 0) {
ERR_raise(ERR_LIB_SSL, SSL_R_BAD_LENGTH);
return -1;
}
ret = ssl_peek_internal(s, buf, (size_t)num, &readbytes);
if (ret > 0)
ret = (int)readbytes;
return ret;
}
int SSL_peek_ex(SSL *s, void *buf, size_t num, size_t *readbytes)
{
int ret = ssl_peek_internal(s, buf, num, readbytes);
if (ret < 0)
ret = 0;
return ret;
}
int ssl_write_internal(SSL *s, const void *buf, size_t num,
uint64_t flags, size_t *written)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
#ifndef OPENSSL_NO_QUIC
if (IS_QUIC(s))
return ossl_quic_write_flags(s, buf, num, flags, written);
#endif
if (sc == NULL)
return 0;
if (sc->handshake_func == NULL) {
ERR_raise(ERR_LIB_SSL, SSL_R_UNINITIALIZED);
return -1;
}
if (sc->shutdown & SSL_SENT_SHUTDOWN) {
sc->rwstate = SSL_NOTHING;
ERR_raise(ERR_LIB_SSL, SSL_R_PROTOCOL_IS_SHUTDOWN);
return -1;
}
if (flags != 0) {
ERR_raise(ERR_LIB_SSL, SSL_R_UNSUPPORTED_WRITE_FLAG);
return -1;
}
if (sc->early_data_state == SSL_EARLY_DATA_CONNECT_RETRY
|| sc->early_data_state == SSL_EARLY_DATA_ACCEPT_RETRY
|| sc->early_data_state == SSL_EARLY_DATA_READ_RETRY) {
ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
return 0;
}
ossl_statem_check_finish_init(sc, 1);
if ((sc->mode & SSL_MODE_ASYNC) && ASYNC_get_current_job() == NULL) {
int ret;
struct ssl_async_args args;
args.s = s;
args.buf = (void *)buf;
args.num = num;
args.type = WRITEFUNC;
args.f.func_write = s->method->ssl_write;
ret = ssl_start_async_job(s, &args, ssl_io_intern);
*written = sc->asyncrw;
return ret;
} else {
return s->method->ssl_write(s, buf, num, written);
}
}
ossl_ssize_t SSL_sendfile(SSL *s, int fd, off_t offset, size_t size, int flags)
{
ossl_ssize_t ret;
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s);
if (sc == NULL)
return 0;
if (sc->handshake_func == NULL) {
ERR_raise(ERR_LIB_SSL, SSL_R_UNINITIALIZED);
return -1;
}
if (sc->shutdown & SSL_SENT_SHUTDOWN) {
sc->rwstate = SSL_NOTHING;
ERR_raise(ERR_LIB_SSL, SSL_R_PROTOCOL_IS_SHUTDOWN);
return -1;
}
if (!BIO_get_ktls_send(sc->wbio)) {
ERR_raise(ERR_LIB_SSL, SSL_R_UNINITIALIZED);
return -1;
}
if (sc->s3.alert_dispatch > 0) {
ret = (ossl_ssize_t)s->method->ssl_dispatch_alert(s);
if (ret <= 0) {
return ret;
}
}
sc->rwstate = SSL_WRITING;
if (BIO_flush(sc->wbio) <= 0) {
if (!BIO_should_retry(sc->wbio)) {
sc->rwstate = SSL_NOTHING;
} else {
#ifdef EAGAIN
set_sys_error(EAGAIN);
#endif
}
return -1;
}
#ifdef OPENSSL_NO_KTLS
ERR_raise_data(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR,
"can't call ktls_sendfile(), ktls disabled");
return -1;
#else
ret = ktls_sendfile(SSL_get_wfd(s), fd, offset, size, flags);
if (ret < 0) {
#if defined(EAGAIN) && defined(EINTR) && defined(EBUSY)
if ((get_last_sys_error() == EAGAIN) ||
(get_last_sys_error() == EINTR) ||
(get_last_sys_error() == EBUSY))
BIO_set_retry_write(sc->wbio);
else
#endif
ERR_raise(ERR_LIB_SSL, SSL_R_UNINITIALIZED);
return ret;
}
sc->rwstate = SSL_NOTHING;
return ret;
#endif
}
int SSL_write(SSL *s, const void *buf, int num)
{
int ret;
size_t written;
if (num < 0) {
ERR_raise(ERR_LIB_SSL, SSL_R_BAD_LENGTH);
return -1;
}
ret = ssl_write_internal(s, buf, (size_t)num, 0, &written);
if (ret > 0)
ret = (int)written;
return ret;
}
int SSL_write_ex(SSL *s, const void *buf, size_t num, size_t *written)
{
return SSL_write_ex2(s, buf, num, 0, written);
}
int SSL_write_ex2(SSL *s, const void *buf, size_t num, uint64_t flags,
size_t *written)
{
int ret = ssl_write_internal(s, buf, num, flags, written);
if (ret < 0)
ret = 0;
return ret;
}
int SSL_write_early_data(SSL *s, const void *buf, size_t num, size_t *written)
{
int ret, early_data_state;
size_t writtmp;
uint32_t partialwrite;
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s);
if (sc == NULL)
return 0;
switch (sc->early_data_state) {
case SSL_EARLY_DATA_NONE:
if (sc->server
|| !SSL_in_before(s)
|| ((sc->session == NULL || sc->session->ext.max_early_data == 0)
&& (sc->psk_use_session_cb == NULL))) {
ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
return 0;
}
case SSL_EARLY_DATA_CONNECT_RETRY:
sc->early_data_state = SSL_EARLY_DATA_CONNECTING;
ret = SSL_connect(s);
if (ret <= 0) {
sc->early_data_state = SSL_EARLY_DATA_CONNECT_RETRY;
return 0;
}
case SSL_EARLY_DATA_WRITE_RETRY:
sc->early_data_state = SSL_EARLY_DATA_WRITING;
partialwrite = sc->mode & SSL_MODE_ENABLE_PARTIAL_WRITE;
sc->mode &= ~SSL_MODE_ENABLE_PARTIAL_WRITE;
ret = SSL_write_ex(s, buf, num, &writtmp);
sc->mode |= partialwrite;
if (!ret) {
sc->early_data_state = SSL_EARLY_DATA_WRITE_RETRY;
return ret;
}
sc->early_data_state = SSL_EARLY_DATA_WRITE_FLUSH;
case SSL_EARLY_DATA_WRITE_FLUSH:
if (statem_flush(sc) != 1)
return 0;
*written = num;
sc->early_data_state = SSL_EARLY_DATA_WRITE_RETRY;
return 1;
case SSL_EARLY_DATA_FINISHED_READING:
case SSL_EARLY_DATA_READ_RETRY:
early_data_state = sc->early_data_state;
sc->early_data_state = SSL_EARLY_DATA_UNAUTH_WRITING;
ret = SSL_write_ex(s, buf, num, written);
if (ret)
(void)BIO_flush(sc->wbio);
sc->early_data_state = early_data_state;
return ret;
default:
ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
return 0;
}
}
int SSL_shutdown(SSL *s)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
#ifndef OPENSSL_NO_QUIC
if (IS_QUIC(s))
return ossl_quic_conn_shutdown(s, 0, NULL, 0);
#endif
if (sc == NULL)
return -1;
if (sc->handshake_func == NULL) {
ERR_raise(ERR_LIB_SSL, SSL_R_UNINITIALIZED);
return -1;
}
if (!SSL_in_init(s)) {
if ((sc->mode & SSL_MODE_ASYNC) && ASYNC_get_current_job() == NULL) {
struct ssl_async_args args;
memset(&args, 0, sizeof(args));
args.s = s;
args.type = OTHERFUNC;
args.f.func_other = s->method->ssl_shutdown;
return ssl_start_async_job(s, &args, ssl_io_intern);
} else {
return s->method->ssl_shutdown(s);
}
} else {
ERR_raise(ERR_LIB_SSL, SSL_R_SHUTDOWN_WHILE_IN_INIT);
return -1;
}
}
int SSL_key_update(SSL *s, int updatetype)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
#ifndef OPENSSL_NO_QUIC
if (IS_QUIC(s))
return ossl_quic_key_update(s, updatetype);
#endif
if (sc == NULL)
return 0;
if (!SSL_CONNECTION_IS_TLS13(sc)) {
ERR_raise(ERR_LIB_SSL, SSL_R_WRONG_SSL_VERSION);
return 0;
}
if (updatetype != SSL_KEY_UPDATE_NOT_REQUESTED
&& updatetype != SSL_KEY_UPDATE_REQUESTED) {
ERR_raise(ERR_LIB_SSL, SSL_R_INVALID_KEY_UPDATE_TYPE);
return 0;
}
if (!SSL_is_init_finished(s)) {
ERR_raise(ERR_LIB_SSL, SSL_R_STILL_IN_INIT);
return 0;
}
if (RECORD_LAYER_write_pending(&sc->rlayer)) {
ERR_raise(ERR_LIB_SSL, SSL_R_BAD_WRITE_RETRY);
return 0;
}
ossl_statem_set_in_init(sc, 1);
sc->key_update = updatetype;
return 1;
}
int SSL_get_key_update_type(const SSL *s)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
#ifndef OPENSSL_NO_QUIC
if (IS_QUIC(s))
return ossl_quic_get_key_update_type(s);
#endif
if (sc == NULL)
return 0;
return sc->key_update;
}
static int can_renegotiate(const SSL_CONNECTION *sc)
{
if (SSL_CONNECTION_IS_TLS13(sc)) {
ERR_raise(ERR_LIB_SSL, SSL_R_WRONG_SSL_VERSION);
return 0;
}
if ((sc->options & SSL_OP_NO_RENEGOTIATION) != 0) {
ERR_raise(ERR_LIB_SSL, SSL_R_NO_RENEGOTIATION);
return 0;
}
return 1;
}
int SSL_renegotiate(SSL *s)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s);
if (sc == NULL)
return 0;
if (!can_renegotiate(sc))
return 0;
sc->renegotiate = 1;
sc->new_session = 1;
return s->method->ssl_renegotiate(s);
}
int SSL_renegotiate_abbreviated(SSL *s)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s);
if (sc == NULL)
return 0;
if (!can_renegotiate(sc))
return 0;
sc->renegotiate = 1;
sc->new_session = 0;
return s->method->ssl_renegotiate(s);
}
int SSL_renegotiate_pending(const SSL *s)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s);
if (sc == NULL)
return 0;
return (sc->renegotiate != 0);
}
int SSL_new_session_ticket(SSL *s)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return 0;
if ((SSL_in_init(s) && sc->ext.extra_tickets_expected == 0)
|| SSL_IS_FIRST_HANDSHAKE(sc) || !sc->server
|| !SSL_CONNECTION_IS_TLS13(sc))
return 0;
sc->ext.extra_tickets_expected++;
if (!RECORD_LAYER_write_pending(&sc->rlayer) && !SSL_in_init(s))
ossl_statem_set_in_init(sc, 1);
return 1;
}
long SSL_ctrl(SSL *s, int cmd, long larg, void *parg)
{
return ossl_ctrl_internal(s, cmd, larg, parg, 0);
}
long ossl_ctrl_internal(SSL *s, int cmd, long larg, void *parg, int no_quic)
{
long l;
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (!no_quic && IS_QUIC(s))
return s->method->ssl_ctrl(s, cmd, larg, parg);
if (sc == NULL)
return 0;
switch (cmd) {
case SSL_CTRL_GET_READ_AHEAD:
return RECORD_LAYER_get_read_ahead(&sc->rlayer);
case SSL_CTRL_SET_READ_AHEAD:
l = RECORD_LAYER_get_read_ahead(&sc->rlayer);
RECORD_LAYER_set_read_ahead(&sc->rlayer, larg);
return l;
case SSL_CTRL_MODE:
{
OSSL_PARAM options[2], *opts = options;
sc->mode |= larg;
*opts++ = OSSL_PARAM_construct_uint32(OSSL_LIBSSL_RECORD_LAYER_PARAM_MODE,
&sc->mode);
*opts = OSSL_PARAM_construct_end();
sc->rlayer.rrlmethod->set_options(sc->rlayer.rrl, options);
return sc->mode;
}
case SSL_CTRL_CLEAR_MODE:
return (sc->mode &= ~larg);
case SSL_CTRL_GET_MAX_CERT_LIST:
return (long)sc->max_cert_list;
case SSL_CTRL_SET_MAX_CERT_LIST:
if (larg < 0)
return 0;
l = (long)sc->max_cert_list;
sc->max_cert_list = (size_t)larg;
return l;
case SSL_CTRL_SET_MAX_SEND_FRAGMENT:
if (larg < 512 || larg > SSL3_RT_MAX_PLAIN_LENGTH)
return 0;
#ifndef OPENSSL_NO_KTLS
if (sc->wbio != NULL && BIO_get_ktls_send(sc->wbio))
return 0;
#endif
sc->max_send_fragment = larg;
if (sc->max_send_fragment < sc->split_send_fragment)
sc->split_send_fragment = sc->max_send_fragment;
sc->rlayer.wrlmethod->set_max_frag_len(sc->rlayer.wrl, larg);
return 1;
case SSL_CTRL_SET_SPLIT_SEND_FRAGMENT:
if ((size_t)larg > sc->max_send_fragment || larg == 0)
return 0;
sc->split_send_fragment = larg;
return 1;
case SSL_CTRL_SET_MAX_PIPELINES:
if (larg < 1 || larg > SSL_MAX_PIPELINES)
return 0;
sc->max_pipelines = larg;
if (sc->rlayer.rrlmethod->set_max_pipelines != NULL)
sc->rlayer.rrlmethod->set_max_pipelines(sc->rlayer.rrl, (size_t)larg);
return 1;
case SSL_CTRL_GET_RI_SUPPORT:
return sc->s3.send_connection_binding;
case SSL_CTRL_SET_RETRY_VERIFY:
sc->rwstate = SSL_RETRY_VERIFY;
return 1;
case SSL_CTRL_CERT_FLAGS:
return (sc->cert->cert_flags |= larg);
case SSL_CTRL_CLEAR_CERT_FLAGS:
return (sc->cert->cert_flags &= ~larg);
case SSL_CTRL_GET_RAW_CIPHERLIST:
if (parg) {
if (sc->s3.tmp.ciphers_raw == NULL)
return 0;
*(unsigned char **)parg = sc->s3.tmp.ciphers_raw;
return (int)sc->s3.tmp.ciphers_rawlen;
} else {
return TLS_CIPHER_LEN;
}
case SSL_CTRL_GET_EXTMS_SUPPORT:
if (!sc->session || SSL_in_init(s) || ossl_statem_get_in_handshake(sc))
return -1;
if (sc->session->flags & SSL_SESS_FLAG_EXTMS)
return 1;
else
return 0;
case SSL_CTRL_SET_MIN_PROTO_VERSION:
return ssl_check_allowed_versions(larg, sc->max_proto_version)
&& ssl_set_version_bound(s->defltmeth->version, (int)larg,
&sc->min_proto_version);
case SSL_CTRL_GET_MIN_PROTO_VERSION:
return sc->min_proto_version;
case SSL_CTRL_SET_MAX_PROTO_VERSION:
return ssl_check_allowed_versions(sc->min_proto_version, larg)
&& ssl_set_version_bound(s->defltmeth->version, (int)larg,
&sc->max_proto_version);
case SSL_CTRL_GET_MAX_PROTO_VERSION:
return sc->max_proto_version;
default:
if (IS_QUIC(s))
return SSL_ctrl((SSL *)sc, cmd, larg, parg);
else
return s->method->ssl_ctrl(s, cmd, larg, parg);
}
}
long SSL_callback_ctrl(SSL *s, int cmd, void (*fp) (void))
{
return s->method->ssl_callback_ctrl(s, cmd, fp);
}
LHASH_OF(SSL_SESSION) *SSL_CTX_sessions(SSL_CTX *ctx)
{
return ctx->sessions;
}
static int ssl_tsan_load(SSL_CTX *ctx, TSAN_QUALIFIER int *stat)
{
int res = 0;
if (ssl_tsan_lock(ctx)) {
res = tsan_load(stat);
ssl_tsan_unlock(ctx);
}
return res;
}
long SSL_CTX_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg)
{
long l;
if (ctx == NULL) {
switch (cmd) {
case SSL_CTRL_SET_GROUPS_LIST:
return tls1_set_groups_list(ctx, NULL, NULL, parg);
case SSL_CTRL_SET_SIGALGS_LIST:
case SSL_CTRL_SET_CLIENT_SIGALGS_LIST:
return tls1_set_sigalgs_list(ctx, NULL, parg, 0);
default:
return 0;
}
}
switch (cmd) {
case SSL_CTRL_GET_READ_AHEAD:
return ctx->read_ahead;
case SSL_CTRL_SET_READ_AHEAD:
l = ctx->read_ahead;
ctx->read_ahead = larg;
return l;
case SSL_CTRL_SET_MSG_CALLBACK_ARG:
ctx->msg_callback_arg = parg;
return 1;
case SSL_CTRL_GET_MAX_CERT_LIST:
return (long)ctx->max_cert_list;
case SSL_CTRL_SET_MAX_CERT_LIST:
if (larg < 0)
return 0;
l = (long)ctx->max_cert_list;
ctx->max_cert_list = (size_t)larg;
return l;
case SSL_CTRL_SET_SESS_CACHE_SIZE:
if (larg < 0)
return 0;
l = (long)ctx->session_cache_size;
ctx->session_cache_size = (size_t)larg;
return l;
case SSL_CTRL_GET_SESS_CACHE_SIZE:
return (long)ctx->session_cache_size;
case SSL_CTRL_SET_SESS_CACHE_MODE:
l = ctx->session_cache_mode;
ctx->session_cache_mode = larg;
return l;
case SSL_CTRL_GET_SESS_CACHE_MODE:
return ctx->session_cache_mode;
case SSL_CTRL_SESS_NUMBER:
return lh_SSL_SESSION_num_items(ctx->sessions);
case SSL_CTRL_SESS_CONNECT:
return ssl_tsan_load(ctx, &ctx->stats.sess_connect);
case SSL_CTRL_SESS_CONNECT_GOOD:
return ssl_tsan_load(ctx, &ctx->stats.sess_connect_good);
case SSL_CTRL_SESS_CONNECT_RENEGOTIATE:
return ssl_tsan_load(ctx, &ctx->stats.sess_connect_renegotiate);
case SSL_CTRL_SESS_ACCEPT:
return ssl_tsan_load(ctx, &ctx->stats.sess_accept);
case SSL_CTRL_SESS_ACCEPT_GOOD:
return ssl_tsan_load(ctx, &ctx->stats.sess_accept_good);
case SSL_CTRL_SESS_ACCEPT_RENEGOTIATE:
return ssl_tsan_load(ctx, &ctx->stats.sess_accept_renegotiate);
case SSL_CTRL_SESS_HIT:
return ssl_tsan_load(ctx, &ctx->stats.sess_hit);
case SSL_CTRL_SESS_CB_HIT:
return ssl_tsan_load(ctx, &ctx->stats.sess_cb_hit);
case SSL_CTRL_SESS_MISSES:
return ssl_tsan_load(ctx, &ctx->stats.sess_miss);
case SSL_CTRL_SESS_TIMEOUTS:
return ssl_tsan_load(ctx, &ctx->stats.sess_timeout);
case SSL_CTRL_SESS_CACHE_FULL:
return ssl_tsan_load(ctx, &ctx->stats.sess_cache_full);
case SSL_CTRL_MODE:
return (ctx->mode |= larg);
case SSL_CTRL_CLEAR_MODE:
return (ctx->mode &= ~larg);
case SSL_CTRL_SET_MAX_SEND_FRAGMENT:
if (larg < 512 || larg > SSL3_RT_MAX_PLAIN_LENGTH)
return 0;
ctx->max_send_fragment = larg;
if (ctx->max_send_fragment < ctx->split_send_fragment)
ctx->split_send_fragment = ctx->max_send_fragment;
return 1;
case SSL_CTRL_SET_SPLIT_SEND_FRAGMENT:
if ((size_t)larg > ctx->max_send_fragment || larg == 0)
return 0;
ctx->split_send_fragment = larg;
return 1;
case SSL_CTRL_SET_MAX_PIPELINES:
if (larg < 1 || larg > SSL_MAX_PIPELINES)
return 0;
ctx->max_pipelines = larg;
return 1;
case SSL_CTRL_CERT_FLAGS:
return (ctx->cert->cert_flags |= larg);
case SSL_CTRL_CLEAR_CERT_FLAGS:
return (ctx->cert->cert_flags &= ~larg);
case SSL_CTRL_SET_MIN_PROTO_VERSION:
return ssl_check_allowed_versions(larg, ctx->max_proto_version)
&& ssl_set_version_bound(ctx->method->version, (int)larg,
&ctx->min_proto_version);
case SSL_CTRL_GET_MIN_PROTO_VERSION:
return ctx->min_proto_version;
case SSL_CTRL_SET_MAX_PROTO_VERSION:
return ssl_check_allowed_versions(ctx->min_proto_version, larg)
&& ssl_set_version_bound(ctx->method->version, (int)larg,
&ctx->max_proto_version);
case SSL_CTRL_GET_MAX_PROTO_VERSION:
return ctx->max_proto_version;
default:
return ctx->method->ssl_ctx_ctrl(ctx, cmd, larg, parg);
}
}
long SSL_CTX_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp) (void))
{
switch (cmd) {
case SSL_CTRL_SET_MSG_CALLBACK:
ctx->msg_callback = (void (*)
(int write_p, int version, int content_type,
const void *buf, size_t len, SSL *ssl,
void *arg))(fp);
return 1;
default:
return ctx->method->ssl_ctx_callback_ctrl(ctx, cmd, fp);
}
}
int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b)
{
if (a->id > b->id)
return 1;
if (a->id < b->id)
return -1;
return 0;
}
int ssl_cipher_ptr_id_cmp(const SSL_CIPHER *const *ap,
const SSL_CIPHER *const *bp)
{
if ((*ap)->id > (*bp)->id)
return 1;
if ((*ap)->id < (*bp)->id)
return -1;
return 0;
}
STACK_OF(SSL_CIPHER) *SSL_get_ciphers(const SSL *s)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
if (sc != NULL) {
if (sc->cipher_list != NULL) {
return sc->cipher_list;
} else if ((s->ctx != NULL) && (s->ctx->cipher_list != NULL)) {
return s->ctx->cipher_list;
}
}
return NULL;
}
STACK_OF(SSL_CIPHER) *SSL_get_client_ciphers(const SSL *s)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
if (sc == NULL || !sc->server)
return NULL;
return sc->peer_ciphers;
}
STACK_OF(SSL_CIPHER) *SSL_get1_supported_ciphers(SSL *s)
{
STACK_OF(SSL_CIPHER) *sk = NULL, *ciphers;
int i;
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return NULL;
ciphers = SSL_get_ciphers(s);
if (!ciphers)
return NULL;
if (!ssl_set_client_disabled(sc))
return NULL;
for (i = 0; i < sk_SSL_CIPHER_num(ciphers); i++) {
const SSL_CIPHER *c = sk_SSL_CIPHER_value(ciphers, i);
if (!ssl_cipher_disabled(sc, c, SSL_SECOP_CIPHER_SUPPORTED, 0)) {
if (!sk)
sk = sk_SSL_CIPHER_new_null();
if (!sk)
return NULL;
if (!sk_SSL_CIPHER_push(sk, c)) {
sk_SSL_CIPHER_free(sk);
return NULL;
}
}
}
return sk;
}
STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL_CONNECTION *s)
{
if (s != NULL) {
if (s->cipher_list_by_id != NULL)
return s->cipher_list_by_id;
else if (s->ssl.ctx != NULL
&& s->ssl.ctx->cipher_list_by_id != NULL)
return s->ssl.ctx->cipher_list_by_id;
}
return NULL;
}
const char *SSL_get_cipher_list(const SSL *s, int n)
{
const SSL_CIPHER *c;
STACK_OF(SSL_CIPHER) *sk;
if (s == NULL)
return NULL;
sk = SSL_get_ciphers(s);
if ((sk == NULL) || (sk_SSL_CIPHER_num(sk) <= n))
return NULL;
c = sk_SSL_CIPHER_value(sk, n);
if (c == NULL)
return NULL;
return c->name;
}
STACK_OF(SSL_CIPHER) *SSL_CTX_get_ciphers(const SSL_CTX *ctx)
{
if (ctx != NULL)
return ctx->cipher_list;
return NULL;
}
static int cipher_list_tls12_num(STACK_OF(SSL_CIPHER) *sk)
{
int i, num = 0;
const SSL_CIPHER *c;
if (sk == NULL)
return 0;
for (i = 0; i < sk_SSL_CIPHER_num(sk); ++i) {
c = sk_SSL_CIPHER_value(sk, i);
if (c->min_tls >= TLS1_3_VERSION)
continue;
num++;
}
return num;
}
int SSL_CTX_set_cipher_list(SSL_CTX *ctx, const char *str)
{
STACK_OF(SSL_CIPHER) *sk;
sk = ssl_create_cipher_list(ctx, ctx->tls13_ciphersuites,
&ctx->cipher_list, &ctx->cipher_list_by_id, str,
ctx->cert);
if (sk == NULL)
return 0;
else if (cipher_list_tls12_num(sk) == 0) {
ERR_raise(ERR_LIB_SSL, SSL_R_NO_CIPHER_MATCH);
return 0;
}
return 1;
}
int SSL_set_cipher_list(SSL *s, const char *str)
{
STACK_OF(SSL_CIPHER) *sk;
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return 0;
sk = ssl_create_cipher_list(s->ctx, sc->tls13_ciphersuites,
&sc->cipher_list, &sc->cipher_list_by_id, str,
sc->cert);
if (sk == NULL)
return 0;
else if (cipher_list_tls12_num(sk) == 0) {
ERR_raise(ERR_LIB_SSL, SSL_R_NO_CIPHER_MATCH);
return 0;
}
return 1;
}
char *SSL_get_shared_ciphers(const SSL *s, char *buf, int size)
{
char *p;
STACK_OF(SSL_CIPHER) *clntsk, *srvrsk;
const SSL_CIPHER *c;
int i;
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
if (sc == NULL)
return NULL;
if (!sc->server
|| sc->peer_ciphers == NULL
|| size < 2)
return NULL;
p = buf;
clntsk = sc->peer_ciphers;
srvrsk = SSL_get_ciphers(s);
if (clntsk == NULL || srvrsk == NULL)
return NULL;
if (sk_SSL_CIPHER_num(clntsk) == 0 || sk_SSL_CIPHER_num(srvrsk) == 0)
return NULL;
for (i = 0; i < sk_SSL_CIPHER_num(clntsk); i++) {
int n;
c = sk_SSL_CIPHER_value(clntsk, i);
if (sk_SSL_CIPHER_find(srvrsk, c) < 0)
continue;
n = OPENSSL_strnlen(c->name, size);
if (n >= size) {
if (p != buf)
--p;
*p = '\0';
return buf;
}
memcpy(p, c->name, n);
p += n;
*(p++) = ':';
size -= n + 1;
}
p[-1] = '\0';
return buf;
}
const char *SSL_get_servername(const SSL *s, const int type)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
int server;
if (sc == NULL)
return NULL;
server = sc->handshake_func == NULL ? 0 : sc->server;
if (type != TLSEXT_NAMETYPE_host_name)
return NULL;
if (server) {
if (sc->hit && !SSL_CONNECTION_IS_TLS13(sc))
return sc->session->ext.hostname;
} else {
if (SSL_in_before(s)) {
if (sc->ext.hostname == NULL
&& sc->session != NULL
&& sc->session->ssl_version != TLS1_3_VERSION)
return sc->session->ext.hostname;
} else {
if (!SSL_CONNECTION_IS_TLS13(sc) && sc->hit
&& sc->session->ext.hostname != NULL)
return sc->session->ext.hostname;
}
}
return sc->ext.hostname;
}
int SSL_get_servername_type(const SSL *s)
{
if (SSL_get_servername(s, TLSEXT_NAMETYPE_host_name) != NULL)
return TLSEXT_NAMETYPE_host_name;
return -1;
}
int SSL_select_next_proto(unsigned char **out, unsigned char *outlen,
const unsigned char *server,
unsigned int server_len,
const unsigned char *client, unsigned int client_len)
{
unsigned int i, j;
const unsigned char *result;
int status = OPENSSL_NPN_UNSUPPORTED;
for (i = 0; i < server_len;) {
for (j = 0; j < client_len;) {
if (server[i] == client[j] &&
memcmp(&server[i + 1], &client[j + 1], server[i]) == 0) {
result = &server[i];
status = OPENSSL_NPN_NEGOTIATED;
goto found;
}
j += client[j];
j++;
}
i += server[i];
i++;
}
result = client;
status = OPENSSL_NPN_NO_OVERLAP;
found:
*out = (unsigned char *)result + 1;
*outlen = result[0];
return status;
}
#ifndef OPENSSL_NO_NEXTPROTONEG
void SSL_get0_next_proto_negotiated(const SSL *s, const unsigned char **data,
unsigned *len)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
if (sc == NULL) {
*data = NULL;
*len = 0;
return;
}
*data = sc->ext.npn;
if (*data == NULL) {
*len = 0;
} else {
*len = (unsigned int)sc->ext.npn_len;
}
}
void SSL_CTX_set_npn_advertised_cb(SSL_CTX *ctx,
SSL_CTX_npn_advertised_cb_func cb,
void *arg)
{
if (IS_QUIC_CTX(ctx))
return;
ctx->ext.npn_advertised_cb = cb;
ctx->ext.npn_advertised_cb_arg = arg;
}
void SSL_CTX_set_npn_select_cb(SSL_CTX *ctx,
SSL_CTX_npn_select_cb_func cb,
void *arg)
{
if (IS_QUIC_CTX(ctx))
return;
ctx->ext.npn_select_cb = cb;
ctx->ext.npn_select_cb_arg = arg;
}
#endif
static int alpn_value_ok(const unsigned char *protos, unsigned int protos_len)
{
unsigned int idx;
if (protos_len < 2 || protos == NULL)
return 0;
for (idx = 0; idx < protos_len; idx += protos[idx] + 1) {
if (protos[idx] == 0)
return 0;
}
return idx == protos_len;
}
int SSL_CTX_set_alpn_protos(SSL_CTX *ctx, const unsigned char *protos,
unsigned int protos_len)
{
unsigned char *alpn;
if (protos_len == 0 || protos == NULL) {
OPENSSL_free(ctx->ext.alpn);
ctx->ext.alpn = NULL;
ctx->ext.alpn_len = 0;
return 0;
}
if (!alpn_value_ok(protos, protos_len))
return 1;
alpn = OPENSSL_memdup(protos, protos_len);
if (alpn == NULL)
return 1;
OPENSSL_free(ctx->ext.alpn);
ctx->ext.alpn = alpn;
ctx->ext.alpn_len = protos_len;
return 0;
}
int SSL_set_alpn_protos(SSL *ssl, const unsigned char *protos,
unsigned int protos_len)
{
unsigned char *alpn;
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl);
if (sc == NULL)
return 1;
if (protos_len == 0 || protos == NULL) {
OPENSSL_free(sc->ext.alpn);
sc->ext.alpn = NULL;
sc->ext.alpn_len = 0;
return 0;
}
if (!alpn_value_ok(protos, protos_len))
return 1;
alpn = OPENSSL_memdup(protos, protos_len);
if (alpn == NULL)
return 1;
OPENSSL_free(sc->ext.alpn);
sc->ext.alpn = alpn;
sc->ext.alpn_len = protos_len;
return 0;
}
void SSL_CTX_set_alpn_select_cb(SSL_CTX *ctx,
SSL_CTX_alpn_select_cb_func cb,
void *arg)
{
ctx->ext.alpn_select_cb = cb;
ctx->ext.alpn_select_cb_arg = arg;
}
void SSL_get0_alpn_selected(const SSL *ssl, const unsigned char **data,
unsigned int *len)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(ssl);
if (sc == NULL) {
*data = NULL;
*len = 0;
return;
}
*data = sc->s3.alpn_selected;
if (*data == NULL)
*len = 0;
else
*len = (unsigned int)sc->s3.alpn_selected_len;
}
int SSL_export_keying_material(SSL *s, unsigned char *out, size_t olen,
const char *label, size_t llen,
const unsigned char *context, size_t contextlen,
int use_context)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return -1;
if (sc->session == NULL
|| (sc->version < TLS1_VERSION && sc->version != DTLS1_BAD_VER))
return -1;
return sc->ssl.method->ssl3_enc->export_keying_material(sc, out, olen, label,
llen, context,
contextlen,
use_context);
}
int SSL_export_keying_material_early(SSL *s, unsigned char *out, size_t olen,
const char *label, size_t llen,
const unsigned char *context,
size_t contextlen)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return -1;
if (sc->version != TLS1_3_VERSION)
return 0;
return tls13_export_keying_material_early(sc, out, olen, label, llen,
context, contextlen);
}
static unsigned long ssl_session_hash(const SSL_SESSION *a)
{
const unsigned char *session_id = a->session_id;
unsigned long l;
unsigned char tmp_storage[4];
if (a->session_id_length < sizeof(tmp_storage)) {
memset(tmp_storage, 0, sizeof(tmp_storage));
memcpy(tmp_storage, a->session_id, a->session_id_length);
session_id = tmp_storage;
}
l = (unsigned long)
((unsigned long)session_id[0]) |
((unsigned long)session_id[1] << 8L) |
((unsigned long)session_id[2] << 16L) |
((unsigned long)session_id[3] << 24L);
return l;
}
static int ssl_session_cmp(const SSL_SESSION *a, const SSL_SESSION *b)
{
if (a->ssl_version != b->ssl_version)
return 1;
if (a->session_id_length != b->session_id_length)
return 1;
return memcmp(a->session_id, b->session_id, a->session_id_length);
}
SSL_CTX *SSL_CTX_new_ex(OSSL_LIB_CTX *libctx, const char *propq,
const SSL_METHOD *meth)
{
SSL_CTX *ret = NULL;
#ifndef OPENSSL_NO_COMP_ALG
int i;
#endif
if (meth == NULL) {
ERR_raise(ERR_LIB_SSL, SSL_R_NULL_SSL_METHOD_PASSED);
return NULL;
}
if (!OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS, NULL))
return NULL;
if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0) {
ERR_raise(ERR_LIB_SSL, SSL_R_X509_VERIFICATION_SETUP_PROBLEMS);
goto err;
}
ret = OPENSSL_zalloc(sizeof(*ret));
if (ret == NULL)
return NULL;
if (!CRYPTO_NEW_REF(&ret->references, 1)) {
OPENSSL_free(ret);
return NULL;
}
ret->lock = CRYPTO_THREAD_lock_new();
if (ret->lock == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB);
goto err;
}
#ifdef TSAN_REQUIRES_LOCKING
ret->tsan_lock = CRYPTO_THREAD_lock_new();
if (ret->tsan_lock == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB);
goto err;
}
#endif
ret->libctx = libctx;
if (propq != NULL) {
ret->propq = OPENSSL_strdup(propq);
if (ret->propq == NULL)
goto err;
}
ret->method = meth;
ret->min_proto_version = 0;
ret->max_proto_version = 0;
ret->mode = SSL_MODE_AUTO_RETRY;
ret->session_cache_mode = SSL_SESS_CACHE_SERVER;
ret->session_cache_size = SSL_SESSION_CACHE_MAX_SIZE_DEFAULT;
ret->session_timeout = meth->get_timeout();
ret->max_cert_list = SSL_MAX_CERT_LIST_DEFAULT;
ret->verify_mode = SSL_VERIFY_NONE;
ret->sessions = lh_SSL_SESSION_new(ssl_session_hash, ssl_session_cmp);
if (ret->sessions == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB);
goto err;
}
ret->cert_store = X509_STORE_new();
if (ret->cert_store == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_X509_LIB);
goto err;
}
#ifndef OPENSSL_NO_CT
ret->ctlog_store = CTLOG_STORE_new_ex(libctx, propq);
if (ret->ctlog_store == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_CT_LIB);
goto err;
}
#endif
if (!ssl_load_ciphers(ret)) {
ERR_raise(ERR_LIB_SSL, ERR_R_SSL_LIB);
goto err;
}
if (!ssl_load_groups(ret)) {
ERR_raise(ERR_LIB_SSL, ERR_R_SSL_LIB);
goto err;
}
if (!ssl_load_sigalgs(ret)) {
ERR_raise(ERR_LIB_SSL, ERR_R_SSL_LIB);
goto err;
}
if (!ssl_setup_sigalgs(ret)) {
ERR_raise(ERR_LIB_SSL, ERR_R_SSL_LIB);
goto err;
}
if (!SSL_CTX_set_ciphersuites(ret, OSSL_default_ciphersuites())) {
ERR_raise(ERR_LIB_SSL, ERR_R_SSL_LIB);
goto err;
}
if ((ret->cert = ssl_cert_new(SSL_PKEY_NUM + ret->sigalg_list_len)) == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_SSL_LIB);
goto err;
}
if (!ssl_create_cipher_list(ret,
ret->tls13_ciphersuites,
&ret->cipher_list, &ret->cipher_list_by_id,
OSSL_default_cipher_list(), ret->cert)
|| sk_SSL_CIPHER_num(ret->cipher_list) <= 0) {
ERR_raise(ERR_LIB_SSL, SSL_R_LIBRARY_HAS_NO_CIPHERS);
goto err;
}
ret->param = X509_VERIFY_PARAM_new();
if (ret->param == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_X509_LIB);
goto err;
}
ret->md5 = ssl_evp_md_fetch(libctx, NID_md5, propq);
ret->sha1 = ssl_evp_md_fetch(libctx, NID_sha1, propq);
if ((ret->ca_names = sk_X509_NAME_new_null()) == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB);
goto err;
}
if ((ret->client_ca_names = sk_X509_NAME_new_null()) == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB);
goto err;
}
if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_CTX, ret, &ret->ex_data)) {
ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB);
goto err;
}
if ((ret->ext.secure = OPENSSL_secure_zalloc(sizeof(*ret->ext.secure))) == NULL)
goto err;
if (!(meth->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS))
ret->comp_methods = SSL_COMP_get_compression_methods();
ret->max_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH;
ret->split_send_fragment = SSL3_RT_MAX_PLAIN_LENGTH;
if ((RAND_bytes_ex(libctx, ret->ext.tick_key_name,
sizeof(ret->ext.tick_key_name), 0) <= 0)
|| (RAND_priv_bytes_ex(libctx, ret->ext.secure->tick_hmac_key,
sizeof(ret->ext.secure->tick_hmac_key), 0) <= 0)
|| (RAND_priv_bytes_ex(libctx, ret->ext.secure->tick_aes_key,
sizeof(ret->ext.secure->tick_aes_key), 0) <= 0))
ret->options |= SSL_OP_NO_TICKET;
if (RAND_priv_bytes_ex(libctx, ret->ext.cookie_hmac_key,
sizeof(ret->ext.cookie_hmac_key), 0) <= 0) {
ERR_raise(ERR_LIB_SSL, ERR_R_RAND_LIB);
goto err;
}
#ifndef OPENSSL_NO_SRP
if (!ssl_ctx_srp_ctx_init_intern(ret)) {
ERR_raise(ERR_LIB_SSL, ERR_R_SSL_LIB);
goto err;
}
#endif
#ifndef OPENSSL_NO_ENGINE
# ifdef OPENSSL_SSL_CLIENT_ENGINE_AUTO
# define eng_strx(x) #x
# define eng_str(x) eng_strx(x)
{
ENGINE *eng;
eng = ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO));
if (!eng) {
ERR_clear_error();
ENGINE_load_builtin_engines();
eng = ENGINE_by_id(eng_str(OPENSSL_SSL_CLIENT_ENGINE_AUTO));
}
if (!eng || !SSL_CTX_set_client_cert_engine(ret, eng))
ERR_clear_error();
}
# endif
#endif
#ifndef OPENSSL_NO_COMP_ALG
memset(ret->cert_comp_prefs, 0, sizeof(ret->cert_comp_prefs));
i = 0;
if (ossl_comp_has_alg(TLSEXT_comp_cert_brotli))
ret->cert_comp_prefs[i++] = TLSEXT_comp_cert_brotli;
if (ossl_comp_has_alg(TLSEXT_comp_cert_zlib))
ret->cert_comp_prefs[i++] = TLSEXT_comp_cert_zlib;
if (ossl_comp_has_alg(TLSEXT_comp_cert_zstd))
ret->cert_comp_prefs[i++] = TLSEXT_comp_cert_zstd;
#endif
ret->options |= SSL_OP_NO_COMPRESSION | SSL_OP_ENABLE_MIDDLEBOX_COMPAT;
ret->ext.status_type = TLSEXT_STATUSTYPE_nothing;
ret->max_early_data = 0;
ret->recv_max_early_data = SSL3_RT_MAX_PLAIN_LENGTH;
ret->num_tickets = 2;
ssl_ctx_system_config(ret);
return ret;
err:
SSL_CTX_free(ret);
return NULL;
}
SSL_CTX *SSL_CTX_new(const SSL_METHOD *meth)
{
return SSL_CTX_new_ex(NULL, NULL, meth);
}
int SSL_CTX_up_ref(SSL_CTX *ctx)
{
int i;
if (CRYPTO_UP_REF(&ctx->references, &i) <= 0)
return 0;
REF_PRINT_COUNT("SSL_CTX", ctx);
REF_ASSERT_ISNT(i < 2);
return ((i > 1) ? 1 : 0);
}
void SSL_CTX_free(SSL_CTX *a)
{
int i;
size_t j;
if (a == NULL)
return;
CRYPTO_DOWN_REF(&a->references, &i);
REF_PRINT_COUNT("SSL_CTX", a);
if (i > 0)
return;
REF_ASSERT_ISNT(i < 0);
X509_VERIFY_PARAM_free(a->param);
dane_ctx_final(&a->dane);
if (a->sessions != NULL)
SSL_CTX_flush_sessions(a, 0);
CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_CTX, a, &a->ex_data);
lh_SSL_SESSION_free(a->sessions);
X509_STORE_free(a->cert_store);
#ifndef OPENSSL_NO_CT
CTLOG_STORE_free(a->ctlog_store);
#endif
sk_SSL_CIPHER_free(a->cipher_list);
sk_SSL_CIPHER_free(a->cipher_list_by_id);
sk_SSL_CIPHER_free(a->tls13_ciphersuites);
ssl_cert_free(a->cert);
sk_X509_NAME_pop_free(a->ca_names, X509_NAME_free);
sk_X509_NAME_pop_free(a->client_ca_names, X509_NAME_free);
OSSL_STACK_OF_X509_free(a->extra_certs);
a->comp_methods = NULL;
#ifndef OPENSSL_NO_SRTP
sk_SRTP_PROTECTION_PROFILE_free(a->srtp_profiles);
#endif
#ifndef OPENSSL_NO_SRP
ssl_ctx_srp_ctx_free_intern(a);
#endif
#ifndef OPENSSL_NO_ENGINE
tls_engine_finish(a->client_cert_engine);
#endif
OPENSSL_free(a->ext.ecpointformats);
OPENSSL_free(a->ext.supportedgroups);
OPENSSL_free(a->ext.supported_groups_default);
OPENSSL_free(a->ext.alpn);
OPENSSL_secure_free(a->ext.secure);
ssl_evp_md_free(a->md5);
ssl_evp_md_free(a->sha1);
for (j = 0; j < SSL_ENC_NUM_IDX; j++)
ssl_evp_cipher_free(a->ssl_cipher_methods[j]);
for (j = 0; j < SSL_MD_NUM_IDX; j++)
ssl_evp_md_free(a->ssl_digest_methods[j]);
for (j = 0; j < a->group_list_len; j++) {
OPENSSL_free(a->group_list[j].tlsname);
OPENSSL_free(a->group_list[j].realname);
OPENSSL_free(a->group_list[j].algorithm);
}
OPENSSL_free(a->group_list);
for (j = 0; j < a->sigalg_list_len; j++) {
OPENSSL_free(a->sigalg_list[j].name);
OPENSSL_free(a->sigalg_list[j].sigalg_name);
OPENSSL_free(a->sigalg_list[j].sigalg_oid);
OPENSSL_free(a->sigalg_list[j].sig_name);
OPENSSL_free(a->sigalg_list[j].sig_oid);
OPENSSL_free(a->sigalg_list[j].hash_name);
OPENSSL_free(a->sigalg_list[j].hash_oid);
OPENSSL_free(a->sigalg_list[j].keytype);
OPENSSL_free(a->sigalg_list[j].keytype_oid);
}
OPENSSL_free(a->sigalg_list);
OPENSSL_free(a->ssl_cert_info);
OPENSSL_free(a->sigalg_lookup_cache);
OPENSSL_free(a->tls12_sigalgs);
OPENSSL_free(a->client_cert_type);
OPENSSL_free(a->server_cert_type);
CRYPTO_THREAD_lock_free(a->lock);
CRYPTO_FREE_REF(&a->references);
#ifdef TSAN_REQUIRES_LOCKING
CRYPTO_THREAD_lock_free(a->tsan_lock);
#endif
OPENSSL_free(a->propq);
#ifndef OPENSSL_NO_QLOG
OPENSSL_free(a->qlog_title);
#endif
OPENSSL_free(a);
}
void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb)
{
ctx->default_passwd_callback = cb;
}
void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx, void *u)
{
ctx->default_passwd_callback_userdata = u;
}
pem_password_cb *SSL_CTX_get_default_passwd_cb(SSL_CTX *ctx)
{
return ctx->default_passwd_callback;
}
void *SSL_CTX_get_default_passwd_cb_userdata(SSL_CTX *ctx)
{
return ctx->default_passwd_callback_userdata;
}
void SSL_set_default_passwd_cb(SSL *s, pem_password_cb *cb)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return;
sc->default_passwd_callback = cb;
}
void SSL_set_default_passwd_cb_userdata(SSL *s, void *u)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return;
sc->default_passwd_callback_userdata = u;
}
pem_password_cb *SSL_get_default_passwd_cb(SSL *s)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return NULL;
return sc->default_passwd_callback;
}
void *SSL_get_default_passwd_cb_userdata(SSL *s)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return NULL;
return sc->default_passwd_callback_userdata;
}
void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx,
int (*cb) (X509_STORE_CTX *, void *),
void *arg)
{
ctx->app_verify_callback = cb;
ctx->app_verify_arg = arg;
}
void SSL_CTX_set_verify(SSL_CTX *ctx, int mode,
int (*cb) (int, X509_STORE_CTX *))
{
ctx->verify_mode = mode;
ctx->default_verify_callback = cb;
}
void SSL_CTX_set_verify_depth(SSL_CTX *ctx, int depth)
{
X509_VERIFY_PARAM_set_depth(ctx->param, depth);
}
void SSL_CTX_set_cert_cb(SSL_CTX *c, int (*cb) (SSL *ssl, void *arg), void *arg)
{
ssl_cert_set_cert_cb(c->cert, cb, arg);
}
void SSL_set_cert_cb(SSL *s, int (*cb) (SSL *ssl, void *arg), void *arg)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return;
ssl_cert_set_cert_cb(sc->cert, cb, arg);
}
void ssl_set_masks(SSL_CONNECTION *s)
{
CERT *c = s->cert;
uint32_t *pvalid = s->s3.tmp.valid_flags;
int rsa_enc, rsa_sign, dh_tmp, dsa_sign;
unsigned long mask_k, mask_a;
int have_ecc_cert, ecdsa_ok;
if (c == NULL)
return;
dh_tmp = (c->dh_tmp != NULL
|| c->dh_tmp_cb != NULL
|| c->dh_tmp_auto);
rsa_enc = pvalid[SSL_PKEY_RSA] & CERT_PKEY_VALID;
rsa_sign = pvalid[SSL_PKEY_RSA] & CERT_PKEY_VALID;
dsa_sign = pvalid[SSL_PKEY_DSA_SIGN] & CERT_PKEY_VALID;
have_ecc_cert = pvalid[SSL_PKEY_ECC] & CERT_PKEY_VALID;
mask_k = 0;
mask_a = 0;
OSSL_TRACE4(TLS_CIPHER, "dh_tmp=%d rsa_enc=%d rsa_sign=%d dsa_sign=%d\n",
dh_tmp, rsa_enc, rsa_sign, dsa_sign);
#ifndef OPENSSL_NO_GOST
if (ssl_has_cert(s, SSL_PKEY_GOST12_512)) {
mask_k |= SSL_kGOST | SSL_kGOST18;
mask_a |= SSL_aGOST12;
}
if (ssl_has_cert(s, SSL_PKEY_GOST12_256)) {
mask_k |= SSL_kGOST | SSL_kGOST18;
mask_a |= SSL_aGOST12;
}
if (ssl_has_cert(s, SSL_PKEY_GOST01)) {
mask_k |= SSL_kGOST;
mask_a |= SSL_aGOST01;
}
#endif
if (rsa_enc)
mask_k |= SSL_kRSA;
if (dh_tmp)
mask_k |= SSL_kDHE;
if (rsa_enc || rsa_sign || (ssl_has_cert(s, SSL_PKEY_RSA_PSS_SIGN)
&& pvalid[SSL_PKEY_RSA_PSS_SIGN] & CERT_PKEY_EXPLICIT_SIGN
&& TLS1_get_version(&s->ssl) == TLS1_2_VERSION))
mask_a |= SSL_aRSA;
if (dsa_sign) {
mask_a |= SSL_aDSS;
}
mask_a |= SSL_aNULL;
if (pvalid[SSL_PKEY_RSA] & CERT_PKEY_RPK) {
mask_a |= SSL_aRSA;
mask_k |= SSL_kRSA;
}
if (pvalid[SSL_PKEY_ECC] & CERT_PKEY_RPK)
mask_a |= SSL_aECDSA;
if (TLS1_get_version(&s->ssl) == TLS1_2_VERSION) {
if (pvalid[SSL_PKEY_RSA_PSS_SIGN] & CERT_PKEY_RPK)
mask_a |= SSL_aRSA;
if (pvalid[SSL_PKEY_ED25519] & CERT_PKEY_RPK
|| pvalid[SSL_PKEY_ED448] & CERT_PKEY_RPK)
mask_a |= SSL_aECDSA;
}
if (have_ecc_cert) {
uint32_t ex_kusage;
ex_kusage = X509_get_key_usage(c->pkeys[SSL_PKEY_ECC].x509);
ecdsa_ok = ex_kusage & X509v3_KU_DIGITAL_SIGNATURE;
if (!(pvalid[SSL_PKEY_ECC] & CERT_PKEY_SIGN))
ecdsa_ok = 0;
if (ecdsa_ok)
mask_a |= SSL_aECDSA;
}
if (!(mask_a & SSL_aECDSA) && ssl_has_cert(s, SSL_PKEY_ED25519)
&& pvalid[SSL_PKEY_ED25519] & CERT_PKEY_EXPLICIT_SIGN
&& TLS1_get_version(&s->ssl) == TLS1_2_VERSION)
mask_a |= SSL_aECDSA;
if (!(mask_a & SSL_aECDSA) && ssl_has_cert(s, SSL_PKEY_ED448)
&& pvalid[SSL_PKEY_ED448] & CERT_PKEY_EXPLICIT_SIGN
&& TLS1_get_version(&s->ssl) == TLS1_2_VERSION)
mask_a |= SSL_aECDSA;
mask_k |= SSL_kECDHE;
#ifndef OPENSSL_NO_PSK
mask_k |= SSL_kPSK;
mask_a |= SSL_aPSK;
if (mask_k & SSL_kRSA)
mask_k |= SSL_kRSAPSK;
if (mask_k & SSL_kDHE)
mask_k |= SSL_kDHEPSK;
if (mask_k & SSL_kECDHE)
mask_k |= SSL_kECDHEPSK;
#endif
s->s3.tmp.mask_k = mask_k;
s->s3.tmp.mask_a = mask_a;
}
int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL_CONNECTION *s)
{
if (s->s3.tmp.new_cipher->algorithm_auth & SSL_aECDSA) {
if (!(X509_get_key_usage(x) & X509v3_KU_DIGITAL_SIGNATURE)) {
ERR_raise(ERR_LIB_SSL, SSL_R_ECC_CERT_NOT_FOR_SIGNING);
return 0;
}
}
return 1;
}
int ssl_get_server_cert_serverinfo(SSL_CONNECTION *s,
const unsigned char **serverinfo,
size_t *serverinfo_length)
{
CERT_PKEY *cpk = s->s3.tmp.cert;
*serverinfo_length = 0;
if (cpk == NULL || cpk->serverinfo == NULL)
return 0;
*serverinfo = cpk->serverinfo;
*serverinfo_length = cpk->serverinfo_length;
return 1;
}
void ssl_update_cache(SSL_CONNECTION *s, int mode)
{
int i;
if (s->session->session_id_length == 0)
return;
if (s->server && s->session->sid_ctx_length == 0
&& (s->verify_mode & SSL_VERIFY_PEER) != 0)
return;
i = s->session_ctx->session_cache_mode;
if ((i & mode) != 0
&& (!s->hit || SSL_CONNECTION_IS_TLS13(s))) {
if ((i & SSL_SESS_CACHE_NO_INTERNAL_STORE) == 0
&& (!SSL_CONNECTION_IS_TLS13(s)
|| !s->server
|| (s->max_early_data > 0
&& (s->options & SSL_OP_NO_ANTI_REPLAY) == 0)
|| s->session_ctx->remove_session_cb != NULL
|| (s->options & SSL_OP_NO_TICKET) != 0))
SSL_CTX_add_session(s->session_ctx, s->session);
if (s->session_ctx->new_session_cb != NULL) {
SSL_SESSION_up_ref(s->session);
if (!s->session_ctx->new_session_cb(SSL_CONNECTION_GET_SSL(s),
s->session))
SSL_SESSION_free(s->session);
}
}
if ((!(i & SSL_SESS_CACHE_NO_AUTO_CLEAR)) && ((i & mode) == mode)) {
TSAN_QUALIFIER int *stat;
if (mode & SSL_SESS_CACHE_CLIENT)
stat = &s->session_ctx->stats.sess_connect_good;
else
stat = &s->session_ctx->stats.sess_accept_good;
if ((ssl_tsan_load(s->session_ctx, stat) & 0xff) == 0xff)
SSL_CTX_flush_sessions(s->session_ctx, (unsigned long)time(NULL));
}
}
const SSL_METHOD *SSL_CTX_get_ssl_method(const SSL_CTX *ctx)
{
return ctx->method;
}
const SSL_METHOD *SSL_get_ssl_method(const SSL *s)
{
return s->method;
}
int SSL_set_ssl_method(SSL *s, const SSL_METHOD *meth)
{
int ret = 1;
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL
|| (s->type != SSL_TYPE_SSL_CONNECTION && s->method != meth)
|| (s->type == SSL_TYPE_SSL_CONNECTION && IS_QUIC_METHOD(meth)))
return 0;
if (s->method != meth) {
const SSL_METHOD *sm = s->method;
int (*hf) (SSL *) = sc->handshake_func;
if (sm->version == meth->version)
s->method = meth;
else {
sm->ssl_deinit(s);
s->method = meth;
ret = s->method->ssl_init(s);
}
if (hf == sm->ssl_connect)
sc->handshake_func = meth->ssl_connect;
else if (hf == sm->ssl_accept)
sc->handshake_func = meth->ssl_accept;
}
return ret;
}
int SSL_get_error(const SSL *s, int i)
{
return ossl_ssl_get_error(s, i, 1);
}
int ossl_ssl_get_error(const SSL *s, int i, int check_err)
{
int reason;
unsigned long l;
BIO *bio;
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
if (i > 0)
return SSL_ERROR_NONE;
#ifndef OPENSSL_NO_QUIC
if (IS_QUIC(s)) {
reason = ossl_quic_get_error(s, i);
if (reason != SSL_ERROR_NONE)
return reason;
}
#endif
if (sc == NULL)
return SSL_ERROR_SSL;
if (check_err && (l = ERR_peek_error()) != 0) {
if (ERR_GET_LIB(l) == ERR_LIB_SYS)
return SSL_ERROR_SYSCALL;
else
return SSL_ERROR_SSL;
}
#ifndef OPENSSL_NO_QUIC
if (!IS_QUIC(s))
#endif
{
if (SSL_want_read(s)) {
bio = SSL_get_rbio(s);
if (BIO_should_read(bio))
return SSL_ERROR_WANT_READ;
else if (BIO_should_write(bio))
return SSL_ERROR_WANT_WRITE;
else if (BIO_should_io_special(bio)) {
reason = BIO_get_retry_reason(bio);
if (reason == BIO_RR_CONNECT)
return SSL_ERROR_WANT_CONNECT;
else if (reason == BIO_RR_ACCEPT)
return SSL_ERROR_WANT_ACCEPT;
else
return SSL_ERROR_SYSCALL;
}
}
if (SSL_want_write(s)) {
bio = sc->wbio;
if (BIO_should_write(bio))
return SSL_ERROR_WANT_WRITE;
else if (BIO_should_read(bio))
return SSL_ERROR_WANT_READ;
else if (BIO_should_io_special(bio)) {
reason = BIO_get_retry_reason(bio);
if (reason == BIO_RR_CONNECT)
return SSL_ERROR_WANT_CONNECT;
else if (reason == BIO_RR_ACCEPT)
return SSL_ERROR_WANT_ACCEPT;
else
return SSL_ERROR_SYSCALL;
}
}
}
if (SSL_want_x509_lookup(s))
return SSL_ERROR_WANT_X509_LOOKUP;
if (SSL_want_retry_verify(s))
return SSL_ERROR_WANT_RETRY_VERIFY;
if (SSL_want_async(s))
return SSL_ERROR_WANT_ASYNC;
if (SSL_want_async_job(s))
return SSL_ERROR_WANT_ASYNC_JOB;
if (SSL_want_client_hello_cb(s))
return SSL_ERROR_WANT_CLIENT_HELLO_CB;
if ((sc->shutdown & SSL_RECEIVED_SHUTDOWN) &&
(sc->s3.warn_alert == SSL_AD_CLOSE_NOTIFY))
return SSL_ERROR_ZERO_RETURN;
return SSL_ERROR_SYSCALL;
}
static int ssl_do_handshake_intern(void *vargs)
{
struct ssl_async_args *args = (struct ssl_async_args *)vargs;
SSL *s = args->s;
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return -1;
return sc->handshake_func(s);
}
int SSL_do_handshake(SSL *s)
{
int ret = 1;
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
#ifndef OPENSSL_NO_QUIC
if (IS_QUIC(s))
return ossl_quic_do_handshake(s);
#endif
if (sc->handshake_func == NULL) {
ERR_raise(ERR_LIB_SSL, SSL_R_CONNECTION_TYPE_NOT_SET);
return -1;
}
ossl_statem_check_finish_init(sc, -1);
s->method->ssl_renegotiate_check(s, 0);
if (SSL_in_init(s) || SSL_in_before(s)) {
if ((sc->mode & SSL_MODE_ASYNC) && ASYNC_get_current_job() == NULL) {
struct ssl_async_args args;
memset(&args, 0, sizeof(args));
args.s = s;
ret = ssl_start_async_job(s, &args, ssl_do_handshake_intern);
} else {
ret = sc->handshake_func(s);
}
}
return ret;
}
void SSL_set_accept_state(SSL *s)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s);
#ifndef OPENSSL_NO_QUIC
if (IS_QUIC(s)) {
ossl_quic_set_accept_state(s);
return;
}
#endif
sc->server = 1;
sc->shutdown = 0;
ossl_statem_clear(sc);
sc->handshake_func = s->method->ssl_accept;
RECORD_LAYER_reset(&sc->rlayer);
}
void SSL_set_connect_state(SSL *s)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s);
#ifndef OPENSSL_NO_QUIC
if (IS_QUIC(s)) {
ossl_quic_set_connect_state(s);
return;
}
#endif
sc->server = 0;
sc->shutdown = 0;
ossl_statem_clear(sc);
sc->handshake_func = s->method->ssl_connect;
RECORD_LAYER_reset(&sc->rlayer);
}
int ssl_undefined_function(SSL *s)
{
ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
return 0;
}
int ssl_undefined_void_function(void)
{
ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
return 0;
}
int ssl_undefined_const_function(const SSL *s)
{
return 0;
}
const char *ssl_protocol_to_string(int version)
{
switch (version)
{
case TLS1_3_VERSION:
return "TLSv1.3";
case TLS1_2_VERSION:
return "TLSv1.2";
case TLS1_1_VERSION:
return "TLSv1.1";
case TLS1_VERSION:
return "TLSv1";
case SSL3_VERSION:
return "SSLv3";
case DTLS1_BAD_VER:
return "DTLSv0.9";
case DTLS1_VERSION:
return "DTLSv1";
case DTLS1_2_VERSION:
return "DTLSv1.2";
default:
return "unknown";
}
}
const char *SSL_get_version(const SSL *s)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
#ifndef OPENSSL_NO_QUIC
if (s->type == SSL_TYPE_QUIC_CONNECTION || s->type == SSL_TYPE_QUIC_XSO)
return "QUICv1";
#endif
if (sc == NULL)
return NULL;
return ssl_protocol_to_string(sc->version);
}
__owur int SSL_get_handshake_rtt(const SSL *s, uint64_t *rtt)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
if (sc == NULL)
return -1;
if (sc->ts_msg_write.t <= 0 || sc->ts_msg_read.t <= 0)
return 0;
if (sc->ts_msg_read.t < sc->ts_msg_write.t)
return -1;
*rtt = ossl_time2us(ossl_time_subtract(sc->ts_msg_read, sc->ts_msg_write));
return 1;
}
static int dup_ca_names(STACK_OF(X509_NAME) **dst, STACK_OF(X509_NAME) *src)
{
STACK_OF(X509_NAME) *sk;
X509_NAME *xn;
int i;
if (src == NULL) {
*dst = NULL;
return 1;
}
if ((sk = sk_X509_NAME_new_null()) == NULL)
return 0;
for (i = 0; i < sk_X509_NAME_num(src); i++) {
xn = X509_NAME_dup(sk_X509_NAME_value(src, i));
if (xn == NULL) {
sk_X509_NAME_pop_free(sk, X509_NAME_free);
return 0;
}
if (sk_X509_NAME_insert(sk, xn, i) == 0) {
X509_NAME_free(xn);
sk_X509_NAME_pop_free(sk, X509_NAME_free);
return 0;
}
}
*dst = sk;
return 1;
}
SSL *SSL_dup(SSL *s)
{
SSL *ret;
int i;
SSL_CONNECTION *retsc;
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s);
if (sc == NULL)
return NULL;
if (!SSL_in_init(s) || !SSL_in_before(s)) {
CRYPTO_UP_REF(&s->references, &i);
return s;
}
if ((ret = SSL_new(SSL_get_SSL_CTX(s))) == NULL)
return NULL;
if ((retsc = SSL_CONNECTION_FROM_SSL_ONLY(ret)) == NULL)
goto err;
if (sc->session != NULL) {
if (!SSL_copy_session_id(ret, s))
goto err;
} else {
if (!SSL_set_ssl_method(ret, s->method))
goto err;
if (sc->cert != NULL) {
ssl_cert_free(retsc->cert);
retsc->cert = ssl_cert_dup(sc->cert);
if (retsc->cert == NULL)
goto err;
}
if (!SSL_set_session_id_context(ret, sc->sid_ctx,
(int)sc->sid_ctx_length))
goto err;
}
if (!ssl_dane_dup(retsc, sc))
goto err;
retsc->version = sc->version;
retsc->options = sc->options;
retsc->min_proto_version = sc->min_proto_version;
retsc->max_proto_version = sc->max_proto_version;
retsc->mode = sc->mode;
SSL_set_max_cert_list(ret, SSL_get_max_cert_list(s));
SSL_set_read_ahead(ret, SSL_get_read_ahead(s));
retsc->msg_callback = sc->msg_callback;
retsc->msg_callback_arg = sc->msg_callback_arg;
SSL_set_verify(ret, SSL_get_verify_mode(s), SSL_get_verify_callback(s));
SSL_set_verify_depth(ret, SSL_get_verify_depth(s));
retsc->generate_session_id = sc->generate_session_id;
SSL_set_info_callback(ret, SSL_get_info_callback(s));
if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_SSL, &ret->ex_data, &s->ex_data))
goto err;
retsc->server = sc->server;
if (sc->handshake_func) {
if (sc->server)
SSL_set_accept_state(ret);
else
SSL_set_connect_state(ret);
}
retsc->shutdown = sc->shutdown;
retsc->hit = sc->hit;
retsc->default_passwd_callback = sc->default_passwd_callback;
retsc->default_passwd_callback_userdata = sc->default_passwd_callback_userdata;
X509_VERIFY_PARAM_inherit(retsc->param, sc->param);
if (sc->cipher_list != NULL) {
if ((retsc->cipher_list = sk_SSL_CIPHER_dup(sc->cipher_list)) == NULL)
goto err;
}
if (sc->cipher_list_by_id != NULL)
if ((retsc->cipher_list_by_id = sk_SSL_CIPHER_dup(sc->cipher_list_by_id))
== NULL)
goto err;
if (!dup_ca_names(&retsc->ca_names, sc->ca_names)
|| !dup_ca_names(&retsc->client_ca_names, sc->client_ca_names))
goto err;
return ret;
err:
SSL_free(ret);
return NULL;
}
X509 *SSL_get_certificate(const SSL *s)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return NULL;
if (sc->cert != NULL)
return sc->cert->key->x509;
else
return NULL;
}
EVP_PKEY *SSL_get_privatekey(const SSL *s)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
if (sc == NULL)
return NULL;
if (sc->cert != NULL)
return sc->cert->key->privatekey;
else
return NULL;
}
X509 *SSL_CTX_get0_certificate(const SSL_CTX *ctx)
{
if (ctx->cert != NULL)
return ctx->cert->key->x509;
else
return NULL;
}
EVP_PKEY *SSL_CTX_get0_privatekey(const SSL_CTX *ctx)
{
if (ctx->cert != NULL)
return ctx->cert->key->privatekey;
else
return NULL;
}
const SSL_CIPHER *SSL_get_current_cipher(const SSL *s)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
if (sc == NULL)
return NULL;
if ((sc->session != NULL) && (sc->session->cipher != NULL))
return sc->session->cipher;
return NULL;
}
const SSL_CIPHER *SSL_get_pending_cipher(const SSL *s)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
if (sc == NULL)
return NULL;
return sc->s3.tmp.new_cipher;
}
const COMP_METHOD *SSL_get_current_compression(const SSL *s)
{
#ifndef OPENSSL_NO_COMP
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL_ONLY(s);
if (sc == NULL)
return NULL;
return sc->rlayer.wrlmethod->get_compression(sc->rlayer.wrl);
#else
return NULL;
#endif
}
const COMP_METHOD *SSL_get_current_expansion(const SSL *s)
{
#ifndef OPENSSL_NO_COMP
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL_ONLY(s);
if (sc == NULL)
return NULL;
return sc->rlayer.rrlmethod->get_compression(sc->rlayer.rrl);
#else
return NULL;
#endif
}
int ssl_init_wbio_buffer(SSL_CONNECTION *s)
{
BIO *bbio;
if (s->bbio != NULL) {
return 1;
}
bbio = BIO_new(BIO_f_buffer());
if (bbio == NULL || BIO_set_read_buffer_size(bbio, 1) <= 0) {
BIO_free(bbio);
ERR_raise(ERR_LIB_SSL, ERR_R_BUF_LIB);
return 0;
}
s->bbio = bbio;
s->wbio = BIO_push(bbio, s->wbio);
s->rlayer.wrlmethod->set1_bio(s->rlayer.wrl, s->wbio);
return 1;
}
int ssl_free_wbio_buffer(SSL_CONNECTION *s)
{
if (s->bbio == NULL)
return 1;
s->wbio = BIO_pop(s->wbio);
s->rlayer.wrlmethod->set1_bio(s->rlayer.wrl, s->wbio);
BIO_free(s->bbio);
s->bbio = NULL;
return 1;
}
void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx, int mode)
{
ctx->quiet_shutdown = mode;
}
int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx)
{
return ctx->quiet_shutdown;
}
void SSL_set_quiet_shutdown(SSL *s, int mode)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s);
if (sc == NULL)
return;
sc->quiet_shutdown = mode;
}
int SSL_get_quiet_shutdown(const SSL *s)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL_ONLY(s);
if (sc == NULL)
return 0;
return sc->quiet_shutdown;
}
void SSL_set_shutdown(SSL *s, int mode)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s);
if (sc == NULL)
return;
sc->shutdown = mode;
}
int SSL_get_shutdown(const SSL *s)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL_ONLY(s);
#ifndef OPENSSL_NO_QUIC
if (IS_QUIC(s))
return ossl_quic_get_shutdown(s);
#endif
if (sc == NULL)
return 0;
return sc->shutdown;
}
int SSL_version(const SSL *s)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
#ifndef OPENSSL_NO_QUIC
if (s->type == SSL_TYPE_QUIC_CONNECTION || s->type == SSL_TYPE_QUIC_XSO)
return OSSL_QUIC1_VERSION;
#endif
if (sc == NULL)
return 0;
return sc->version;
}
int SSL_client_version(const SSL *s)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
#ifndef OPENSSL_NO_QUIC
if (s->type == SSL_TYPE_QUIC_CONNECTION || s->type == SSL_TYPE_QUIC_XSO)
return OSSL_QUIC1_VERSION;
#endif
if (sc == NULL)
return 0;
return sc->client_version;
}
SSL_CTX *SSL_get_SSL_CTX(const SSL *ssl)
{
return ssl->ctx;
}
SSL_CTX *SSL_set_SSL_CTX(SSL *ssl, SSL_CTX *ctx)
{
CERT *new_cert;
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(ssl);
if (sc == NULL)
return NULL;
if (ssl->ctx == ctx)
return ssl->ctx;
if (ctx == NULL)
ctx = sc->session_ctx;
new_cert = ssl_cert_dup(ctx->cert);
if (new_cert == NULL) {
return NULL;
}
if (!custom_exts_copy_flags(&new_cert->custext, &sc->cert->custext)) {
ssl_cert_free(new_cert);
return NULL;
}
ssl_cert_free(sc->cert);
sc->cert = new_cert;
if (!ossl_assert(sc->sid_ctx_length <= sizeof(sc->sid_ctx)))
return NULL;
if ((ssl->ctx != NULL) &&
(sc->sid_ctx_length == ssl->ctx->sid_ctx_length) &&
(memcmp(sc->sid_ctx, ssl->ctx->sid_ctx, sc->sid_ctx_length) == 0)) {
sc->sid_ctx_length = ctx->sid_ctx_length;
memcpy(&sc->sid_ctx, &ctx->sid_ctx, sizeof(sc->sid_ctx));
}
SSL_CTX_up_ref(ctx);
SSL_CTX_free(ssl->ctx);
ssl->ctx = ctx;
return ssl->ctx;
}
int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx)
{
return X509_STORE_set_default_paths_ex(ctx->cert_store, ctx->libctx,
ctx->propq);
}
int SSL_CTX_set_default_verify_dir(SSL_CTX *ctx)
{
X509_LOOKUP *lookup;
lookup = X509_STORE_add_lookup(ctx->cert_store, X509_LOOKUP_hash_dir());
if (lookup == NULL)
return 0;
ERR_set_mark();
X509_LOOKUP_add_dir(lookup, NULL, X509_FILETYPE_DEFAULT);
ERR_pop_to_mark();
return 1;
}
int SSL_CTX_set_default_verify_file(SSL_CTX *ctx)
{
X509_LOOKUP *lookup;
lookup = X509_STORE_add_lookup(ctx->cert_store, X509_LOOKUP_file());
if (lookup == NULL)
return 0;
ERR_set_mark();
X509_LOOKUP_load_file_ex(lookup, NULL, X509_FILETYPE_DEFAULT, ctx->libctx,
ctx->propq);
ERR_pop_to_mark();
return 1;
}
int SSL_CTX_set_default_verify_store(SSL_CTX *ctx)
{
X509_LOOKUP *lookup;
lookup = X509_STORE_add_lookup(ctx->cert_store, X509_LOOKUP_store());
if (lookup == NULL)
return 0;
ERR_set_mark();
X509_LOOKUP_add_store_ex(lookup, NULL, ctx->libctx, ctx->propq);
ERR_pop_to_mark();
return 1;
}
int SSL_CTX_load_verify_file(SSL_CTX *ctx, const char *CAfile)
{
return X509_STORE_load_file_ex(ctx->cert_store, CAfile, ctx->libctx,
ctx->propq);
}
int SSL_CTX_load_verify_dir(SSL_CTX *ctx, const char *CApath)
{
return X509_STORE_load_path(ctx->cert_store, CApath);
}
int SSL_CTX_load_verify_store(SSL_CTX *ctx, const char *CAstore)
{
return X509_STORE_load_store_ex(ctx->cert_store, CAstore, ctx->libctx,
ctx->propq);
}
int SSL_CTX_load_verify_locations(SSL_CTX *ctx, const char *CAfile,
const char *CApath)
{
if (CAfile == NULL && CApath == NULL)
return 0;
if (CAfile != NULL && !SSL_CTX_load_verify_file(ctx, CAfile))
return 0;
if (CApath != NULL && !SSL_CTX_load_verify_dir(ctx, CApath))
return 0;
return 1;
}
void SSL_set_info_callback(SSL *ssl,
void (*cb) (const SSL *ssl, int type, int val))
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl);
if (sc == NULL)
return;
sc->info_callback = cb;
}
void (*SSL_get_info_callback(const SSL *ssl)) (const SSL * ,
int ,
int ) {
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(ssl);
if (sc == NULL)
return NULL;
return sc->info_callback;
}
void SSL_set_verify_result(SSL *ssl, long arg)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl);
if (sc == NULL)
return;
sc->verify_result = arg;
}
long SSL_get_verify_result(const SSL *ssl)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(ssl);
if (sc == NULL)
return 0;
return sc->verify_result;
}
size_t SSL_get_client_random(const SSL *ssl, unsigned char *out, size_t outlen)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(ssl);
if (sc == NULL)
return 0;
if (outlen == 0)
return sizeof(sc->s3.client_random);
if (outlen > sizeof(sc->s3.client_random))
outlen = sizeof(sc->s3.client_random);
memcpy(out, sc->s3.client_random, outlen);
return outlen;
}
size_t SSL_get_server_random(const SSL *ssl, unsigned char *out, size_t outlen)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(ssl);
if (sc == NULL)
return 0;
if (outlen == 0)
return sizeof(sc->s3.server_random);
if (outlen > sizeof(sc->s3.server_random))
outlen = sizeof(sc->s3.server_random);
memcpy(out, sc->s3.server_random, outlen);
return outlen;
}
size_t SSL_SESSION_get_master_key(const SSL_SESSION *session,
unsigned char *out, size_t outlen)
{
if (outlen == 0)
return session->master_key_length;
if (outlen > session->master_key_length)
outlen = session->master_key_length;
memcpy(out, session->master_key, outlen);
return outlen;
}
int SSL_SESSION_set1_master_key(SSL_SESSION *sess, const unsigned char *in,
size_t len)
{
if (len > sizeof(sess->master_key))
return 0;
memcpy(sess->master_key, in, len);
sess->master_key_length = len;
return 1;
}
int SSL_set_ex_data(SSL *s, int idx, void *arg)
{
return CRYPTO_set_ex_data(&s->ex_data, idx, arg);
}
void *SSL_get_ex_data(const SSL *s, int idx)
{
return CRYPTO_get_ex_data(&s->ex_data, idx);
}
int SSL_CTX_set_ex_data(SSL_CTX *s, int idx, void *arg)
{
return CRYPTO_set_ex_data(&s->ex_data, idx, arg);
}
void *SSL_CTX_get_ex_data(const SSL_CTX *s, int idx)
{
return CRYPTO_get_ex_data(&s->ex_data, idx);
}
X509_STORE *SSL_CTX_get_cert_store(const SSL_CTX *ctx)
{
return ctx->cert_store;
}
void SSL_CTX_set_cert_store(SSL_CTX *ctx, X509_STORE *store)
{
X509_STORE_free(ctx->cert_store);
ctx->cert_store = store;
}
void SSL_CTX_set1_cert_store(SSL_CTX *ctx, X509_STORE *store)
{
if (store != NULL)
X509_STORE_up_ref(store);
SSL_CTX_set_cert_store(ctx, store);
}
int SSL_want(const SSL *s)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
#ifndef OPENSSL_NO_QUIC
if (IS_QUIC(s))
return ossl_quic_want(s);
#endif
if (sc == NULL)
return SSL_NOTHING;
return sc->rwstate;
}
#ifndef OPENSSL_NO_PSK
int SSL_CTX_use_psk_identity_hint(SSL_CTX *ctx, const char *identity_hint)
{
if (identity_hint != NULL && strlen(identity_hint) > PSK_MAX_IDENTITY_LEN) {
ERR_raise(ERR_LIB_SSL, SSL_R_DATA_LENGTH_TOO_LONG);
return 0;
}
OPENSSL_free(ctx->cert->psk_identity_hint);
if (identity_hint != NULL) {
ctx->cert->psk_identity_hint = OPENSSL_strdup(identity_hint);
if (ctx->cert->psk_identity_hint == NULL)
return 0;
} else
ctx->cert->psk_identity_hint = NULL;
return 1;
}
int SSL_use_psk_identity_hint(SSL *s, const char *identity_hint)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return 0;
if (identity_hint != NULL && strlen(identity_hint) > PSK_MAX_IDENTITY_LEN) {
ERR_raise(ERR_LIB_SSL, SSL_R_DATA_LENGTH_TOO_LONG);
return 0;
}
OPENSSL_free(sc->cert->psk_identity_hint);
if (identity_hint != NULL) {
sc->cert->psk_identity_hint = OPENSSL_strdup(identity_hint);
if (sc->cert->psk_identity_hint == NULL)
return 0;
} else
sc->cert->psk_identity_hint = NULL;
return 1;
}
const char *SSL_get_psk_identity_hint(const SSL *s)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
if (sc == NULL || sc->session == NULL)
return NULL;
return sc->session->psk_identity_hint;
}
const char *SSL_get_psk_identity(const SSL *s)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
if (sc == NULL || sc->session == NULL)
return NULL;
return sc->session->psk_identity;
}
void SSL_set_psk_client_callback(SSL *s, SSL_psk_client_cb_func cb)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return;
sc->psk_client_callback = cb;
}
void SSL_CTX_set_psk_client_callback(SSL_CTX *ctx, SSL_psk_client_cb_func cb)
{
ctx->psk_client_callback = cb;
}
void SSL_set_psk_server_callback(SSL *s, SSL_psk_server_cb_func cb)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return;
sc->psk_server_callback = cb;
}
void SSL_CTX_set_psk_server_callback(SSL_CTX *ctx, SSL_psk_server_cb_func cb)
{
ctx->psk_server_callback = cb;
}
#endif
void SSL_set_psk_find_session_callback(SSL *s, SSL_psk_find_session_cb_func cb)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return;
sc->psk_find_session_cb = cb;
}
void SSL_CTX_set_psk_find_session_callback(SSL_CTX *ctx,
SSL_psk_find_session_cb_func cb)
{
ctx->psk_find_session_cb = cb;
}
void SSL_set_psk_use_session_callback(SSL *s, SSL_psk_use_session_cb_func cb)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return;
sc->psk_use_session_cb = cb;
}
void SSL_CTX_set_psk_use_session_callback(SSL_CTX *ctx,
SSL_psk_use_session_cb_func cb)
{
ctx->psk_use_session_cb = cb;
}
void SSL_CTX_set_msg_callback(SSL_CTX *ctx,
void (*cb) (int write_p, int version,
int content_type, const void *buf,
size_t len, SSL *ssl, void *arg))
{
SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb);
}
void SSL_set_msg_callback(SSL *ssl,
void (*cb) (int write_p, int version,
int content_type, const void *buf,
size_t len, SSL *ssl, void *arg))
{
SSL_callback_ctrl(ssl, SSL_CTRL_SET_MSG_CALLBACK, (void (*)(void))cb);
}
void SSL_CTX_set_not_resumable_session_callback(SSL_CTX *ctx,
int (*cb) (SSL *ssl,
int
is_forward_secure))
{
SSL_CTX_callback_ctrl(ctx, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB,
(void (*)(void))cb);
}
void SSL_set_not_resumable_session_callback(SSL *ssl,
int (*cb) (SSL *ssl,
int is_forward_secure))
{
SSL_callback_ctrl(ssl, SSL_CTRL_SET_NOT_RESUMABLE_SESS_CB,
(void (*)(void))cb);
}
void SSL_CTX_set_record_padding_callback(SSL_CTX *ctx,
size_t (*cb) (SSL *ssl, int type,
size_t len, void *arg))
{
ctx->record_padding_cb = cb;
}
void SSL_CTX_set_record_padding_callback_arg(SSL_CTX *ctx, void *arg)
{
ctx->record_padding_arg = arg;
}
void *SSL_CTX_get_record_padding_callback_arg(const SSL_CTX *ctx)
{
return ctx->record_padding_arg;
}
int SSL_CTX_set_block_padding(SSL_CTX *ctx, size_t block_size)
{
if (IS_QUIC_CTX(ctx) && block_size > 1)
return 0;
if (block_size == 1)
ctx->block_padding = 0;
else if (block_size <= SSL3_RT_MAX_PLAIN_LENGTH)
ctx->block_padding = block_size;
else
return 0;
return 1;
}
int SSL_set_record_padding_callback(SSL *ssl,
size_t (*cb) (SSL *ssl, int type,
size_t len, void *arg))
{
BIO *b;
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(ssl);
if (sc == NULL)
return 0;
b = SSL_get_wbio(ssl);
if (b == NULL || !BIO_get_ktls_send(b)) {
sc->rlayer.record_padding_cb = cb;
return 1;
}
return 0;
}
void SSL_set_record_padding_callback_arg(SSL *ssl, void *arg)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl);
if (sc == NULL)
return;
sc->rlayer.record_padding_arg = arg;
}
void *SSL_get_record_padding_callback_arg(const SSL *ssl)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(ssl);
if (sc == NULL)
return NULL;
return sc->rlayer.record_padding_arg;
}
int SSL_set_block_padding(SSL *ssl, size_t block_size)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl);
if (sc == NULL || (IS_QUIC(ssl) && block_size > 1))
return 0;
if (block_size == 1)
sc->rlayer.block_padding = 0;
else if (block_size <= SSL3_RT_MAX_PLAIN_LENGTH)
sc->rlayer.block_padding = block_size;
else
return 0;
return 1;
}
int SSL_set_num_tickets(SSL *s, size_t num_tickets)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return 0;
sc->num_tickets = num_tickets;
return 1;
}
size_t SSL_get_num_tickets(const SSL *s)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
if (sc == NULL)
return 0;
return sc->num_tickets;
}
int SSL_CTX_set_num_tickets(SSL_CTX *ctx, size_t num_tickets)
{
ctx->num_tickets = num_tickets;
return 1;
}
size_t SSL_CTX_get_num_tickets(const SSL_CTX *ctx)
{
return ctx->num_tickets;
}
int ssl_handshake_hash(SSL_CONNECTION *s,
unsigned char *out, size_t outlen,
size_t *hashlen)
{
EVP_MD_CTX *ctx = NULL;
EVP_MD_CTX *hdgst = s->s3.handshake_dgst;
int hashleni = EVP_MD_CTX_get_size(hdgst);
int ret = 0;
if (hashleni < 0 || (size_t)hashleni > outlen) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
ctx = EVP_MD_CTX_new();
if (ctx == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
if (!EVP_MD_CTX_copy_ex(ctx, hdgst)
|| EVP_DigestFinal_ex(ctx, out, NULL) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
*hashlen = hashleni;
ret = 1;
err:
EVP_MD_CTX_free(ctx);
return ret;
}
int SSL_session_reused(const SSL *s)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
if (sc == NULL)
return 0;
return sc->hit;
}
int SSL_is_server(const SSL *s)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
if (sc == NULL)
return 0;
return sc->server;
}
#ifndef OPENSSL_NO_DEPRECATED_1_1_0
void SSL_set_debug(SSL *s, int debug)
{
(void)s;
(void)debug;
}
#endif
void SSL_set_security_level(SSL *s, int level)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return;
sc->cert->sec_level = level;
}
int SSL_get_security_level(const SSL *s)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
if (sc == NULL)
return 0;
return sc->cert->sec_level;
}
void SSL_set_security_callback(SSL *s,
int (*cb) (const SSL *s, const SSL_CTX *ctx,
int op, int bits, int nid,
void *other, void *ex))
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return;
sc->cert->sec_cb = cb;
}
int (*SSL_get_security_callback(const SSL *s)) (const SSL *s,
const SSL_CTX *ctx, int op,
int bits, int nid, void *other,
void *ex) {
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
if (sc == NULL)
return NULL;
return sc->cert->sec_cb;
}
void SSL_set0_security_ex_data(SSL *s, void *ex)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return;
sc->cert->sec_ex = ex;
}
void *SSL_get0_security_ex_data(const SSL *s)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
if (sc == NULL)
return NULL;
return sc->cert->sec_ex;
}
void SSL_CTX_set_security_level(SSL_CTX *ctx, int level)
{
ctx->cert->sec_level = level;
}
int SSL_CTX_get_security_level(const SSL_CTX *ctx)
{
return ctx->cert->sec_level;
}
void SSL_CTX_set_security_callback(SSL_CTX *ctx,
int (*cb) (const SSL *s, const SSL_CTX *ctx,
int op, int bits, int nid,
void *other, void *ex))
{
ctx->cert->sec_cb = cb;
}
int (*SSL_CTX_get_security_callback(const SSL_CTX *ctx)) (const SSL *s,
const SSL_CTX *ctx,
int op, int bits,
int nid,
void *other,
void *ex) {
return ctx->cert->sec_cb;
}
void SSL_CTX_set0_security_ex_data(SSL_CTX *ctx, void *ex)
{
ctx->cert->sec_ex = ex;
}
void *SSL_CTX_get0_security_ex_data(const SSL_CTX *ctx)
{
return ctx->cert->sec_ex;
}
uint64_t SSL_CTX_get_options(const SSL_CTX *ctx)
{
return ctx->options;
}
uint64_t SSL_get_options(const SSL *s)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
#ifndef OPENSSL_NO_QUIC
if (IS_QUIC(s))
return ossl_quic_get_options(s);
#endif
if (sc == NULL)
return 0;
return sc->options;
}
uint64_t SSL_CTX_set_options(SSL_CTX *ctx, uint64_t op)
{
return ctx->options |= op;
}
uint64_t SSL_set_options(SSL *s, uint64_t op)
{
SSL_CONNECTION *sc;
OSSL_PARAM options[2], *opts = options;
#ifndef OPENSSL_NO_QUIC
if (IS_QUIC(s))
return ossl_quic_set_options(s, op);
#endif
sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return 0;
sc->options |= op;
*opts++ = OSSL_PARAM_construct_uint64(OSSL_LIBSSL_RECORD_LAYER_PARAM_OPTIONS,
&sc->options);
*opts = OSSL_PARAM_construct_end();
sc->rlayer.rrlmethod->set_options(sc->rlayer.rrl, options);
sc->rlayer.wrlmethod->set_options(sc->rlayer.wrl, options);
return sc->options;
}
uint64_t SSL_CTX_clear_options(SSL_CTX *ctx, uint64_t op)
{
return ctx->options &= ~op;
}
uint64_t SSL_clear_options(SSL *s, uint64_t op)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
OSSL_PARAM options[2], *opts = options;
#ifndef OPENSSL_NO_QUIC
if (IS_QUIC(s))
return ossl_quic_clear_options(s, op);
#endif
if (sc == NULL)
return 0;
sc->options &= ~op;
*opts++ = OSSL_PARAM_construct_uint64(OSSL_LIBSSL_RECORD_LAYER_PARAM_OPTIONS,
&sc->options);
*opts = OSSL_PARAM_construct_end();
sc->rlayer.rrlmethod->set_options(sc->rlayer.rrl, options);
sc->rlayer.wrlmethod->set_options(sc->rlayer.wrl, options);
return sc->options;
}
STACK_OF(X509) *SSL_get0_verified_chain(const SSL *s)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
if (sc == NULL)
return NULL;
return sc->verified_chain;
}
IMPLEMENT_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, ssl_cipher_id);
#ifndef OPENSSL_NO_CT
static int ct_move_scts(STACK_OF(SCT) **dst, STACK_OF(SCT) *src,
sct_source_t origin)
{
int scts_moved = 0;
SCT *sct = NULL;
if (*dst == NULL) {
*dst = sk_SCT_new_null();
if (*dst == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB);
goto err;
}
}
while ((sct = sk_SCT_pop(src)) != NULL) {
if (SCT_set_source(sct, origin) != 1)
goto err;
if (!sk_SCT_push(*dst, sct))
goto err;
scts_moved += 1;
}
return scts_moved;
err:
SCT_free(sct);
return -1;
}
static int ct_extract_tls_extension_scts(SSL_CONNECTION *s)
{
int scts_extracted = 0;
if (s->ext.scts != NULL) {
const unsigned char *p = s->ext.scts;
STACK_OF(SCT) *scts = o2i_SCT_LIST(NULL, &p, s->ext.scts_len);
scts_extracted = ct_move_scts(&s->scts, scts, SCT_SOURCE_TLS_EXTENSION);
SCT_LIST_free(scts);
}
return scts_extracted;
}
static int ct_extract_ocsp_response_scts(SSL_CONNECTION *s)
{
# ifndef OPENSSL_NO_OCSP
int scts_extracted = 0;
const unsigned char *p;
OCSP_BASICRESP *br = NULL;
OCSP_RESPONSE *rsp = NULL;
STACK_OF(SCT) *scts = NULL;
int i;
if (s->ext.ocsp.resp == NULL || s->ext.ocsp.resp_len == 0)
goto err;
p = s->ext.ocsp.resp;
rsp = d2i_OCSP_RESPONSE(NULL, &p, (int)s->ext.ocsp.resp_len);
if (rsp == NULL)
goto err;
br = OCSP_response_get1_basic(rsp);
if (br == NULL)
goto err;
for (i = 0; i < OCSP_resp_count(br); ++i) {
OCSP_SINGLERESP *single = OCSP_resp_get0(br, i);
if (single == NULL)
continue;
scts =
OCSP_SINGLERESP_get1_ext_d2i(single, NID_ct_cert_scts, NULL, NULL);
scts_extracted =
ct_move_scts(&s->scts, scts, SCT_SOURCE_OCSP_STAPLED_RESPONSE);
if (scts_extracted < 0)
goto err;
}
err:
SCT_LIST_free(scts);
OCSP_BASICRESP_free(br);
OCSP_RESPONSE_free(rsp);
return scts_extracted;
# else
return 0;
# endif
}
static int ct_extract_x509v3_extension_scts(SSL_CONNECTION *s)
{
int scts_extracted = 0;
X509 *cert = s->session != NULL ? s->session->peer : NULL;
if (cert != NULL) {
STACK_OF(SCT) *scts =
X509_get_ext_d2i(cert, NID_ct_precert_scts, NULL, NULL);
scts_extracted =
ct_move_scts(&s->scts, scts, SCT_SOURCE_X509V3_EXTENSION);
SCT_LIST_free(scts);
}
return scts_extracted;
}
const STACK_OF(SCT) *SSL_get0_peer_scts(SSL *s)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return NULL;
if (!sc->scts_parsed) {
if (ct_extract_tls_extension_scts(sc) < 0 ||
ct_extract_ocsp_response_scts(sc) < 0 ||
ct_extract_x509v3_extension_scts(sc) < 0)
goto err;
sc->scts_parsed = 1;
}
return sc->scts;
err:
return NULL;
}
static int ct_permissive(const CT_POLICY_EVAL_CTX *ctx,
const STACK_OF(SCT) *scts, void *unused_arg)
{
return 1;
}
static int ct_strict(const CT_POLICY_EVAL_CTX *ctx,
const STACK_OF(SCT) *scts, void *unused_arg)
{
int count = scts != NULL ? sk_SCT_num(scts) : 0;
int i;
for (i = 0; i < count; ++i) {
SCT *sct = sk_SCT_value(scts, i);
int status = SCT_get_validation_status(sct);
if (status == SCT_VALIDATION_STATUS_VALID)
return 1;
}
ERR_raise(ERR_LIB_SSL, SSL_R_NO_VALID_SCTS);
return 0;
}
int SSL_set_ct_validation_callback(SSL *s, ssl_ct_validation_cb callback,
void *arg)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return 0;
if (callback != NULL && SSL_CTX_has_client_custom_ext(s->ctx,
TLSEXT_TYPE_signed_certificate_timestamp))
{
ERR_raise(ERR_LIB_SSL, SSL_R_CUSTOM_EXT_HANDLER_ALREADY_INSTALLED);
return 0;
}
if (callback != NULL) {
if (!SSL_set_tlsext_status_type(s, TLSEXT_STATUSTYPE_ocsp))
return 0;
}
sc->ct_validation_callback = callback;
sc->ct_validation_callback_arg = arg;
return 1;
}
int SSL_CTX_set_ct_validation_callback(SSL_CTX *ctx,
ssl_ct_validation_cb callback, void *arg)
{
if (callback != NULL && SSL_CTX_has_client_custom_ext(ctx,
TLSEXT_TYPE_signed_certificate_timestamp))
{
ERR_raise(ERR_LIB_SSL, SSL_R_CUSTOM_EXT_HANDLER_ALREADY_INSTALLED);
return 0;
}
ctx->ct_validation_callback = callback;
ctx->ct_validation_callback_arg = arg;
return 1;
}
int SSL_ct_is_enabled(const SSL *s)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
if (sc == NULL)
return 0;
return sc->ct_validation_callback != NULL;
}
int SSL_CTX_ct_is_enabled(const SSL_CTX *ctx)
{
return ctx->ct_validation_callback != NULL;
}
int ssl_validate_ct(SSL_CONNECTION *s)
{
int ret = 0;
X509 *cert = s->session != NULL ? s->session->peer : NULL;
X509 *issuer;
SSL_DANE *dane = &s->dane;
CT_POLICY_EVAL_CTX *ctx = NULL;
const STACK_OF(SCT) *scts;
if (s->ct_validation_callback == NULL || cert == NULL ||
s->verify_result != X509_V_OK ||
s->verified_chain == NULL || sk_X509_num(s->verified_chain) <= 1)
return 1;
if (DANETLS_ENABLED(dane) && dane->mtlsa != NULL) {
switch (dane->mtlsa->usage) {
case DANETLS_USAGE_DANE_TA:
case DANETLS_USAGE_DANE_EE:
return 1;
}
}
ctx = CT_POLICY_EVAL_CTX_new_ex(SSL_CONNECTION_GET_CTX(s)->libctx,
SSL_CONNECTION_GET_CTX(s)->propq);
if (ctx == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CT_LIB);
goto end;
}
issuer = sk_X509_value(s->verified_chain, 1);
CT_POLICY_EVAL_CTX_set1_cert(ctx, cert);
CT_POLICY_EVAL_CTX_set1_issuer(ctx, issuer);
CT_POLICY_EVAL_CTX_set_shared_CTLOG_STORE(ctx,
SSL_CONNECTION_GET_CTX(s)->ctlog_store);
CT_POLICY_EVAL_CTX_set_time(
ctx, (uint64_t)SSL_SESSION_get_time(s->session) * 1000);
scts = SSL_get0_peer_scts(SSL_CONNECTION_GET_SSL(s));
if (SCT_LIST_validate(scts, ctx) < 0) {
SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_R_SCT_VERIFICATION_FAILED);
goto end;
}
ret = s->ct_validation_callback(ctx, scts, s->ct_validation_callback_arg);
if (ret < 0)
ret = 0;
if (!ret)
SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_R_CALLBACK_FAILED);
end:
CT_POLICY_EVAL_CTX_free(ctx);
if (ret <= 0)
s->verify_result = X509_V_ERR_NO_VALID_SCTS;
return ret;
}
int SSL_CTX_enable_ct(SSL_CTX *ctx, int validation_mode)
{
switch (validation_mode) {
default:
ERR_raise(ERR_LIB_SSL, SSL_R_INVALID_CT_VALIDATION_TYPE);
return 0;
case SSL_CT_VALIDATION_PERMISSIVE:
return SSL_CTX_set_ct_validation_callback(ctx, ct_permissive, NULL);
case SSL_CT_VALIDATION_STRICT:
return SSL_CTX_set_ct_validation_callback(ctx, ct_strict, NULL);
}
}
int SSL_enable_ct(SSL *s, int validation_mode)
{
switch (validation_mode) {
default:
ERR_raise(ERR_LIB_SSL, SSL_R_INVALID_CT_VALIDATION_TYPE);
return 0;
case SSL_CT_VALIDATION_PERMISSIVE:
return SSL_set_ct_validation_callback(s, ct_permissive, NULL);
case SSL_CT_VALIDATION_STRICT:
return SSL_set_ct_validation_callback(s, ct_strict, NULL);
}
}
int SSL_CTX_set_default_ctlog_list_file(SSL_CTX *ctx)
{
return CTLOG_STORE_load_default_file(ctx->ctlog_store);
}
int SSL_CTX_set_ctlog_list_file(SSL_CTX *ctx, const char *path)
{
return CTLOG_STORE_load_file(ctx->ctlog_store, path);
}
void SSL_CTX_set0_ctlog_store(SSL_CTX *ctx, CTLOG_STORE *logs)
{
CTLOG_STORE_free(ctx->ctlog_store);
ctx->ctlog_store = logs;
}
const CTLOG_STORE *SSL_CTX_get0_ctlog_store(const SSL_CTX *ctx)
{
return ctx->ctlog_store;
}
#endif
void SSL_CTX_set_client_hello_cb(SSL_CTX *c, SSL_client_hello_cb_fn cb,
void *arg)
{
c->client_hello_cb = cb;
c->client_hello_cb_arg = arg;
}
int SSL_client_hello_isv2(SSL *s)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return 0;
if (sc->clienthello == NULL)
return 0;
return sc->clienthello->isv2;
}
unsigned int SSL_client_hello_get0_legacy_version(SSL *s)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return 0;
if (sc->clienthello == NULL)
return 0;
return sc->clienthello->legacy_version;
}
size_t SSL_client_hello_get0_random(SSL *s, const unsigned char **out)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return 0;
if (sc->clienthello == NULL)
return 0;
if (out != NULL)
*out = sc->clienthello->random;
return SSL3_RANDOM_SIZE;
}
size_t SSL_client_hello_get0_session_id(SSL *s, const unsigned char **out)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return 0;
if (sc->clienthello == NULL)
return 0;
if (out != NULL)
*out = sc->clienthello->session_id;
return sc->clienthello->session_id_len;
}
size_t SSL_client_hello_get0_ciphers(SSL *s, const unsigned char **out)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return 0;
if (sc->clienthello == NULL)
return 0;
if (out != NULL)
*out = PACKET_data(&sc->clienthello->ciphersuites);
return PACKET_remaining(&sc->clienthello->ciphersuites);
}
size_t SSL_client_hello_get0_compression_methods(SSL *s, const unsigned char **out)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return 0;
if (sc->clienthello == NULL)
return 0;
if (out != NULL)
*out = sc->clienthello->compressions;
return sc->clienthello->compressions_len;
}
int SSL_client_hello_get1_extensions_present(SSL *s, int **out, size_t *outlen)
{
RAW_EXTENSION *ext;
int *present;
size_t num = 0, i;
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return 0;
if (sc->clienthello == NULL || out == NULL || outlen == NULL)
return 0;
for (i = 0; i < sc->clienthello->pre_proc_exts_len; i++) {
ext = sc->clienthello->pre_proc_exts + i;
if (ext->present)
num++;
}
if (num == 0) {
*out = NULL;
*outlen = 0;
return 1;
}
if ((present = OPENSSL_malloc(sizeof(*present) * num)) == NULL)
return 0;
for (i = 0; i < sc->clienthello->pre_proc_exts_len; i++) {
ext = sc->clienthello->pre_proc_exts + i;
if (ext->present) {
if (ext->received_order >= num)
goto err;
present[ext->received_order] = ext->type;
}
}
*out = present;
*outlen = num;
return 1;
err:
OPENSSL_free(present);
return 0;
}
int SSL_client_hello_get_extension_order(SSL *s, uint16_t *exts, size_t *num_exts)
{
RAW_EXTENSION *ext;
size_t num = 0, i;
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return 0;
if (sc->clienthello == NULL || num_exts == NULL)
return 0;
for (i = 0; i < sc->clienthello->pre_proc_exts_len; i++) {
ext = sc->clienthello->pre_proc_exts + i;
if (ext->present)
num++;
}
if (num == 0) {
*num_exts = 0;
return 1;
}
if (exts == NULL) {
*num_exts = num;
return 1;
}
if (*num_exts < num)
return 0;
for (i = 0; i < sc->clienthello->pre_proc_exts_len; i++) {
ext = sc->clienthello->pre_proc_exts + i;
if (ext->present) {
if (ext->received_order >= num)
return 0;
exts[ext->received_order] = ext->type;
}
}
*num_exts = num;
return 1;
}
int SSL_client_hello_get0_ext(SSL *s, unsigned int type, const unsigned char **out,
size_t *outlen)
{
size_t i;
RAW_EXTENSION *r;
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return 0;
if (sc->clienthello == NULL)
return 0;
for (i = 0; i < sc->clienthello->pre_proc_exts_len; ++i) {
r = sc->clienthello->pre_proc_exts + i;
if (r->present && r->type == type) {
if (out != NULL)
*out = PACKET_data(&r->data);
if (outlen != NULL)
*outlen = PACKET_remaining(&r->data);
return 1;
}
}
return 0;
}
int SSL_free_buffers(SSL *ssl)
{
RECORD_LAYER *rl;
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(ssl);
if (sc == NULL)
return 0;
rl = &sc->rlayer;
return rl->rrlmethod->free_buffers(rl->rrl)
&& rl->wrlmethod->free_buffers(rl->wrl);
}
int SSL_alloc_buffers(SSL *ssl)
{
RECORD_LAYER *rl;
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl);
if (sc == NULL)
return 0;
if (IS_QUIC(ssl))
return 1;
rl = &sc->rlayer;
return rl->rrlmethod->alloc_buffers(rl->rrl)
&& rl->wrlmethod->alloc_buffers(rl->wrl);
}
void SSL_CTX_set_keylog_callback(SSL_CTX *ctx, SSL_CTX_keylog_cb_func cb)
{
ctx->keylog_callback = cb;
}
SSL_CTX_keylog_cb_func SSL_CTX_get_keylog_callback(const SSL_CTX *ctx)
{
return ctx->keylog_callback;
}
static int nss_keylog_int(const char *prefix,
SSL_CONNECTION *sc,
const uint8_t *parameter_1,
size_t parameter_1_len,
const uint8_t *parameter_2,
size_t parameter_2_len)
{
char *out = NULL;
char *cursor = NULL;
size_t out_len = 0;
size_t i;
size_t prefix_len;
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(sc);
if (sctx->keylog_callback == NULL)
return 1;
prefix_len = strlen(prefix);
out_len = prefix_len + (2 * parameter_1_len) + (2 * parameter_2_len) + 3;
if ((out = cursor = OPENSSL_malloc(out_len)) == NULL)
return 0;
strcpy(cursor, prefix);
cursor += prefix_len;
*cursor++ = ' ';
for (i = 0; i < parameter_1_len; i++) {
sprintf(cursor, "%02x", parameter_1[i]);
cursor += 2;
}
*cursor++ = ' ';
for (i = 0; i < parameter_2_len; i++) {
sprintf(cursor, "%02x", parameter_2[i]);
cursor += 2;
}
*cursor = '\0';
sctx->keylog_callback(SSL_CONNECTION_GET_SSL(sc), (const char *)out);
OPENSSL_clear_free(out, out_len);
return 1;
}
int ssl_log_rsa_client_key_exchange(SSL_CONNECTION *sc,
const uint8_t *encrypted_premaster,
size_t encrypted_premaster_len,
const uint8_t *premaster,
size_t premaster_len)
{
if (encrypted_premaster_len < 8) {
SSLfatal(sc, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
return nss_keylog_int("RSA",
sc,
encrypted_premaster,
8,
premaster,
premaster_len);
}
int ssl_log_secret(SSL_CONNECTION *sc,
const char *label,
const uint8_t *secret,
size_t secret_len)
{
return nss_keylog_int(label,
sc,
sc->s3.client_random,
SSL3_RANDOM_SIZE,
secret,
secret_len);
}
#define SSLV2_CIPHER_LEN 3
int ssl_cache_cipherlist(SSL_CONNECTION *s, PACKET *cipher_suites, int sslv2format)
{
int n;
n = sslv2format ? SSLV2_CIPHER_LEN : TLS_CIPHER_LEN;
if (PACKET_remaining(cipher_suites) == 0) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_NO_CIPHERS_SPECIFIED);
return 0;
}
if (PACKET_remaining(cipher_suites) % n != 0) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST);
return 0;
}
OPENSSL_free(s->s3.tmp.ciphers_raw);
s->s3.tmp.ciphers_raw = NULL;
s->s3.tmp.ciphers_rawlen = 0;
if (sslv2format) {
size_t numciphers = PACKET_remaining(cipher_suites) / n;
PACKET sslv2ciphers = *cipher_suites;
unsigned int leadbyte;
unsigned char *raw;
raw = OPENSSL_malloc(numciphers * TLS_CIPHER_LEN);
s->s3.tmp.ciphers_raw = raw;
if (raw == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CRYPTO_LIB);
return 0;
}
for (s->s3.tmp.ciphers_rawlen = 0;
PACKET_remaining(&sslv2ciphers) > 0;
raw += TLS_CIPHER_LEN) {
if (!PACKET_get_1(&sslv2ciphers, &leadbyte)
|| (leadbyte == 0
&& !PACKET_copy_bytes(&sslv2ciphers, raw,
TLS_CIPHER_LEN))
|| (leadbyte != 0
&& !PACKET_forward(&sslv2ciphers, TLS_CIPHER_LEN))) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_PACKET);
OPENSSL_free(s->s3.tmp.ciphers_raw);
s->s3.tmp.ciphers_raw = NULL;
s->s3.tmp.ciphers_rawlen = 0;
return 0;
}
if (leadbyte == 0)
s->s3.tmp.ciphers_rawlen += TLS_CIPHER_LEN;
}
} else if (!PACKET_memdup(cipher_suites, &s->s3.tmp.ciphers_raw,
&s->s3.tmp.ciphers_rawlen)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
return 1;
}
int SSL_bytes_to_cipher_list(SSL *s, const unsigned char *bytes, size_t len,
int isv2format, STACK_OF(SSL_CIPHER) **sk,
STACK_OF(SSL_CIPHER) **scsvs)
{
PACKET pkt;
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return 0;
if (!PACKET_buf_init(&pkt, bytes, len))
return 0;
return ossl_bytes_to_cipher_list(sc, &pkt, sk, scsvs, isv2format, 0);
}
int ossl_bytes_to_cipher_list(SSL_CONNECTION *s, PACKET *cipher_suites,
STACK_OF(SSL_CIPHER) **skp,
STACK_OF(SSL_CIPHER) **scsvs_out,
int sslv2format, int fatal)
{
const SSL_CIPHER *c;
STACK_OF(SSL_CIPHER) *sk = NULL;
STACK_OF(SSL_CIPHER) *scsvs = NULL;
int n;
unsigned char cipher[SSLV2_CIPHER_LEN];
n = sslv2format ? SSLV2_CIPHER_LEN : TLS_CIPHER_LEN;
if (PACKET_remaining(cipher_suites) == 0) {
if (fatal)
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_NO_CIPHERS_SPECIFIED);
else
ERR_raise(ERR_LIB_SSL, SSL_R_NO_CIPHERS_SPECIFIED);
return 0;
}
if (PACKET_remaining(cipher_suites) % n != 0) {
if (fatal)
SSLfatal(s, SSL_AD_DECODE_ERROR,
SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST);
else
ERR_raise(ERR_LIB_SSL, SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST);
return 0;
}
sk = sk_SSL_CIPHER_new_null();
scsvs = sk_SSL_CIPHER_new_null();
if (sk == NULL || scsvs == NULL) {
if (fatal)
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CRYPTO_LIB);
else
ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB);
goto err;
}
while (PACKET_copy_bytes(cipher_suites, cipher, n)) {
if (sslv2format && cipher[0] != '\0')
continue;
c = ssl_get_cipher_by_char(s, sslv2format ? &cipher[1] : cipher, 1);
if (c != NULL) {
if ((c->valid && !sk_SSL_CIPHER_push(sk, c)) ||
(!c->valid && !sk_SSL_CIPHER_push(scsvs, c))) {
if (fatal)
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CRYPTO_LIB);
else
ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB);
goto err;
}
}
}
if (PACKET_remaining(cipher_suites) > 0) {
if (fatal)
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_LENGTH);
else
ERR_raise(ERR_LIB_SSL, SSL_R_BAD_LENGTH);
goto err;
}
if (skp != NULL)
*skp = sk;
else
sk_SSL_CIPHER_free(sk);
if (scsvs_out != NULL)
*scsvs_out = scsvs;
else
sk_SSL_CIPHER_free(scsvs);
return 1;
err:
sk_SSL_CIPHER_free(sk);
sk_SSL_CIPHER_free(scsvs);
return 0;
}
int SSL_CTX_set_max_early_data(SSL_CTX *ctx, uint32_t max_early_data)
{
ctx->max_early_data = max_early_data;
return 1;
}
uint32_t SSL_CTX_get_max_early_data(const SSL_CTX *ctx)
{
return ctx->max_early_data;
}
int SSL_set_max_early_data(SSL *s, uint32_t max_early_data)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s);
if (sc == NULL)
return 0;
sc->max_early_data = max_early_data;
return 1;
}
uint32_t SSL_get_max_early_data(const SSL *s)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
if (sc == NULL)
return 0;
return sc->max_early_data;
}
int SSL_CTX_set_recv_max_early_data(SSL_CTX *ctx, uint32_t recv_max_early_data)
{
ctx->recv_max_early_data = recv_max_early_data;
return 1;
}
uint32_t SSL_CTX_get_recv_max_early_data(const SSL_CTX *ctx)
{
return ctx->recv_max_early_data;
}
int SSL_set_recv_max_early_data(SSL *s, uint32_t recv_max_early_data)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s);
if (sc == NULL)
return 0;
sc->recv_max_early_data = recv_max_early_data;
return 1;
}
uint32_t SSL_get_recv_max_early_data(const SSL *s)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
if (sc == NULL)
return 0;
return sc->recv_max_early_data;
}
__owur unsigned int ssl_get_max_send_fragment(const SSL_CONNECTION *sc)
{
if (sc->session != NULL && USE_MAX_FRAGMENT_LENGTH_EXT(sc->session))
return GET_MAX_FRAGMENT_LENGTH(sc->session);
return sc->max_send_fragment;
}
__owur unsigned int ssl_get_split_send_fragment(const SSL_CONNECTION *sc)
{
if (sc->session != NULL && USE_MAX_FRAGMENT_LENGTH_EXT(sc->session)
&& sc->split_send_fragment > GET_MAX_FRAGMENT_LENGTH(sc->session))
return GET_MAX_FRAGMENT_LENGTH(sc->session);
if (sc->split_send_fragment > sc->max_send_fragment)
return sc->max_send_fragment;
return sc->split_send_fragment;
}
int SSL_stateless(SSL *s)
{
int ret;
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s);
if (sc == NULL)
return 0;
if (!SSL_clear(s))
return 0;
ERR_clear_error();
sc->s3.flags |= TLS1_FLAGS_STATELESS;
ret = SSL_accept(s);
sc->s3.flags &= ~TLS1_FLAGS_STATELESS;
if (ret > 0 && sc->ext.cookieok)
return 1;
if (sc->hello_retry_request == SSL_HRR_PENDING && !ossl_statem_in_error(sc))
return 0;
return -1;
}
void SSL_CTX_set_post_handshake_auth(SSL_CTX *ctx, int val)
{
ctx->pha_enabled = val;
}
void SSL_set_post_handshake_auth(SSL *ssl, int val)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(ssl);
if (sc == NULL)
return;
sc->pha_enabled = val;
}
int SSL_verify_client_post_handshake(SSL *ssl)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl);
#ifndef OPENSSL_NO_QUIC
if (IS_QUIC(ssl)) {
ERR_raise(ERR_LIB_SSL, SSL_R_WRONG_SSL_VERSION);
return 0;
}
#endif
if (sc == NULL)
return 0;
if (!SSL_CONNECTION_IS_TLS13(sc)) {
ERR_raise(ERR_LIB_SSL, SSL_R_WRONG_SSL_VERSION);
return 0;
}
if (!sc->server) {
ERR_raise(ERR_LIB_SSL, SSL_R_NOT_SERVER);
return 0;
}
if (!SSL_is_init_finished(ssl)) {
ERR_raise(ERR_LIB_SSL, SSL_R_STILL_IN_INIT);
return 0;
}
switch (sc->post_handshake_auth) {
case SSL_PHA_NONE:
ERR_raise(ERR_LIB_SSL, SSL_R_EXTENSION_NOT_RECEIVED);
return 0;
default:
case SSL_PHA_EXT_SENT:
ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
return 0;
case SSL_PHA_EXT_RECEIVED:
break;
case SSL_PHA_REQUEST_PENDING:
ERR_raise(ERR_LIB_SSL, SSL_R_REQUEST_PENDING);
return 0;
case SSL_PHA_REQUESTED:
ERR_raise(ERR_LIB_SSL, SSL_R_REQUEST_SENT);
return 0;
}
sc->post_handshake_auth = SSL_PHA_REQUEST_PENDING;
if (!send_certificate_request(sc)) {
sc->post_handshake_auth = SSL_PHA_EXT_RECEIVED;
ERR_raise(ERR_LIB_SSL, SSL_R_INVALID_CONFIG);
return 0;
}
ossl_statem_set_in_init(sc, 1);
return 1;
}
int SSL_CTX_set_session_ticket_cb(SSL_CTX *ctx,
SSL_CTX_generate_session_ticket_fn gen_cb,
SSL_CTX_decrypt_session_ticket_fn dec_cb,
void *arg)
{
ctx->generate_ticket_cb = gen_cb;
ctx->decrypt_ticket_cb = dec_cb;
ctx->ticket_cb_data = arg;
return 1;
}
void SSL_CTX_set_allow_early_data_cb(SSL_CTX *ctx,
SSL_allow_early_data_cb_fn cb,
void *arg)
{
ctx->allow_early_data_cb = cb;
ctx->allow_early_data_cb_data = arg;
}
void SSL_set_allow_early_data_cb(SSL *s,
SSL_allow_early_data_cb_fn cb,
void *arg)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s);
if (sc == NULL)
return;
sc->allow_early_data_cb = cb;
sc->allow_early_data_cb_data = arg;
}
const EVP_CIPHER *ssl_evp_cipher_fetch(OSSL_LIB_CTX *libctx,
int nid,
const char *properties)
{
const EVP_CIPHER *ciph;
ciph = tls_get_cipher_from_engine(nid);
if (ciph != NULL)
return ciph;
ERR_set_mark();
ciph = EVP_CIPHER_fetch(libctx, OBJ_nid2sn(nid), properties);
ERR_pop_to_mark();
return ciph;
}
int ssl_evp_cipher_up_ref(const EVP_CIPHER *cipher)
{
if (EVP_CIPHER_get0_provider(cipher) == NULL)
return 1;
return EVP_CIPHER_up_ref((EVP_CIPHER *)cipher);
}
void ssl_evp_cipher_free(const EVP_CIPHER *cipher)
{
if (cipher == NULL)
return;
if (EVP_CIPHER_get0_provider(cipher) != NULL) {
EVP_CIPHER_free((EVP_CIPHER *)cipher);
}
}
const EVP_MD *ssl_evp_md_fetch(OSSL_LIB_CTX *libctx,
int nid,
const char *properties)
{
const EVP_MD *md;
md = tls_get_digest_from_engine(nid);
if (md != NULL)
return md;
ERR_set_mark();
md = EVP_MD_fetch(libctx, OBJ_nid2sn(nid), properties);
ERR_pop_to_mark();
return md;
}
int ssl_evp_md_up_ref(const EVP_MD *md)
{
if (EVP_MD_get0_provider(md) == NULL)
return 1;
return EVP_MD_up_ref((EVP_MD *)md);
}
void ssl_evp_md_free(const EVP_MD *md)
{
if (md == NULL)
return;
if (EVP_MD_get0_provider(md) != NULL) {
EVP_MD_free((EVP_MD *)md);
}
}
int SSL_set0_tmp_dh_pkey(SSL *s, EVP_PKEY *dhpkey)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return 0;
if (!ssl_security(sc, SSL_SECOP_TMP_DH,
EVP_PKEY_get_security_bits(dhpkey), 0, dhpkey)) {
ERR_raise(ERR_LIB_SSL, SSL_R_DH_KEY_TOO_SMALL);
return 0;
}
EVP_PKEY_free(sc->cert->dh_tmp);
sc->cert->dh_tmp = dhpkey;
return 1;
}
int SSL_CTX_set0_tmp_dh_pkey(SSL_CTX *ctx, EVP_PKEY *dhpkey)
{
if (!ssl_ctx_security(ctx, SSL_SECOP_TMP_DH,
EVP_PKEY_get_security_bits(dhpkey), 0, dhpkey)) {
ERR_raise(ERR_LIB_SSL, SSL_R_DH_KEY_TOO_SMALL);
return 0;
}
EVP_PKEY_free(ctx->cert->dh_tmp);
ctx->cert->dh_tmp = dhpkey;
return 1;
}
int SSL_handle_events(SSL *s)
{
SSL_CONNECTION *sc;
#ifndef OPENSSL_NO_QUIC
if (IS_QUIC(s))
return ossl_quic_handle_events(s);
#endif
sc = SSL_CONNECTION_FROM_SSL_ONLY(s);
if (sc != NULL && SSL_CONNECTION_IS_DTLS(sc))
return DTLSv1_handle_timeout(s) >= 0;
return 1;
}
int SSL_get_event_timeout(SSL *s, struct timeval *tv, int *is_infinite)
{
SSL_CONNECTION *sc;
#ifndef OPENSSL_NO_QUIC
if (IS_QUIC(s))
return ossl_quic_get_event_timeout(s, tv, is_infinite);
#endif
sc = SSL_CONNECTION_FROM_SSL_ONLY(s);
if (sc != NULL && SSL_CONNECTION_IS_DTLS(sc)
&& DTLSv1_get_timeout(s, tv)) {
*is_infinite = 0;
return 1;
}
tv->tv_sec = 1000000;
tv->tv_usec = 0;
*is_infinite = 1;
return 1;
}
int SSL_get_rpoll_descriptor(SSL *s, BIO_POLL_DESCRIPTOR *desc)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
#ifndef OPENSSL_NO_QUIC
if (IS_QUIC(s))
return ossl_quic_get_rpoll_descriptor(s, desc);
#endif
if (sc == NULL || sc->rbio == NULL)
return 0;
return BIO_get_rpoll_descriptor(sc->rbio, desc);
}
int SSL_get_wpoll_descriptor(SSL *s, BIO_POLL_DESCRIPTOR *desc)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
#ifndef OPENSSL_NO_QUIC
if (IS_QUIC(s))
return ossl_quic_get_wpoll_descriptor(s, desc);
#endif
if (sc == NULL || sc->wbio == NULL)
return 0;
return BIO_get_wpoll_descriptor(sc->wbio, desc);
}
int SSL_net_read_desired(SSL *s)
{
#ifndef OPENSSL_NO_QUIC
if (!IS_QUIC(s))
return SSL_want_read(s);
return ossl_quic_get_net_read_desired(s);
#else
return SSL_want_read(s);
#endif
}
int SSL_net_write_desired(SSL *s)
{
#ifndef OPENSSL_NO_QUIC
if (!IS_QUIC(s))
return SSL_want_write(s);
return ossl_quic_get_net_write_desired(s);
#else
return SSL_want_write(s);
#endif
}
int SSL_set_blocking_mode(SSL *s, int blocking)
{
#ifndef OPENSSL_NO_QUIC
if (!IS_QUIC(s))
return 0;
return ossl_quic_conn_set_blocking_mode(s, blocking);
#else
return 0;
#endif
}
int SSL_get_blocking_mode(SSL *s)
{
#ifndef OPENSSL_NO_QUIC
if (!IS_QUIC(s))
return -1;
return ossl_quic_conn_get_blocking_mode(s);
#else
return -1;
#endif
}
int SSL_set1_initial_peer_addr(SSL *s, const BIO_ADDR *peer_addr)
{
#ifndef OPENSSL_NO_QUIC
if (!IS_QUIC(s))
return 0;
return ossl_quic_conn_set_initial_peer_addr(s, peer_addr);
#else
return 0;
#endif
}
int SSL_shutdown_ex(SSL *ssl, uint64_t flags,
const SSL_SHUTDOWN_EX_ARGS *args,
size_t args_len)
{
#ifndef OPENSSL_NO_QUIC
if (!IS_QUIC(ssl))
return SSL_shutdown(ssl);
return ossl_quic_conn_shutdown(ssl, flags, args, args_len);
#else
return SSL_shutdown(ssl);
#endif
}
int SSL_stream_conclude(SSL *ssl, uint64_t flags)
{
#ifndef OPENSSL_NO_QUIC
if (!IS_QUIC(ssl))
return 0;
return ossl_quic_conn_stream_conclude(ssl);
#else
return 0;
#endif
}
SSL *SSL_new_stream(SSL *s, uint64_t flags)
{
#ifndef OPENSSL_NO_QUIC
if (!IS_QUIC(s))
return NULL;
return ossl_quic_conn_stream_new(s, flags);
#else
return NULL;
#endif
}
SSL *SSL_get0_connection(SSL *s)
{
#ifndef OPENSSL_NO_QUIC
if (!IS_QUIC(s))
return s;
return ossl_quic_get0_connection(s);
#else
return s;
#endif
}
int SSL_is_connection(SSL *s)
{
return SSL_get0_connection(s) == s;
}
int SSL_get_stream_type(SSL *s)
{
#ifndef OPENSSL_NO_QUIC
if (!IS_QUIC(s))
return SSL_STREAM_TYPE_BIDI;
return ossl_quic_get_stream_type(s);
#else
return SSL_STREAM_TYPE_BIDI;
#endif
}
uint64_t SSL_get_stream_id(SSL *s)
{
#ifndef OPENSSL_NO_QUIC
if (!IS_QUIC(s))
return UINT64_MAX;
return ossl_quic_get_stream_id(s);
#else
return UINT64_MAX;
#endif
}
int SSL_is_stream_local(SSL *s)
{
#ifndef OPENSSL_NO_QUIC
if (!IS_QUIC(s))
return -1;
return ossl_quic_is_stream_local(s);
#else
return -1;
#endif
}
int SSL_set_default_stream_mode(SSL *s, uint32_t mode)
{
#ifndef OPENSSL_NO_QUIC
if (!IS_QUIC(s))
return 0;
return ossl_quic_set_default_stream_mode(s, mode);
#else
return 0;
#endif
}
int SSL_set_incoming_stream_policy(SSL *s, int policy, uint64_t aec)
{
#ifndef OPENSSL_NO_QUIC
if (!IS_QUIC(s))
return 0;
return ossl_quic_set_incoming_stream_policy(s, policy, aec);
#else
return 0;
#endif
}
SSL *SSL_accept_stream(SSL *s, uint64_t flags)
{
#ifndef OPENSSL_NO_QUIC
if (!IS_QUIC(s))
return NULL;
return ossl_quic_accept_stream(s, flags);
#else
return NULL;
#endif
}
size_t SSL_get_accept_stream_queue_len(SSL *s)
{
#ifndef OPENSSL_NO_QUIC
if (!IS_QUIC(s))
return 0;
return ossl_quic_get_accept_stream_queue_len(s);
#else
return 0;
#endif
}
int SSL_stream_reset(SSL *s,
const SSL_STREAM_RESET_ARGS *args,
size_t args_len)
{
#ifndef OPENSSL_NO_QUIC
if (!IS_QUIC(s))
return 0;
return ossl_quic_stream_reset(s, args, args_len);
#else
return 0;
#endif
}
int SSL_get_stream_read_state(SSL *s)
{
#ifndef OPENSSL_NO_QUIC
if (!IS_QUIC(s))
return SSL_STREAM_STATE_NONE;
return ossl_quic_get_stream_read_state(s);
#else
return SSL_STREAM_STATE_NONE;
#endif
}
int SSL_get_stream_write_state(SSL *s)
{
#ifndef OPENSSL_NO_QUIC
if (!IS_QUIC(s))
return SSL_STREAM_STATE_NONE;
return ossl_quic_get_stream_write_state(s);
#else
return SSL_STREAM_STATE_NONE;
#endif
}
int SSL_get_stream_read_error_code(SSL *s, uint64_t *app_error_code)
{
#ifndef OPENSSL_NO_QUIC
if (!IS_QUIC(s))
return -1;
return ossl_quic_get_stream_read_error_code(s, app_error_code);
#else
return -1;
#endif
}
int SSL_get_stream_write_error_code(SSL *s, uint64_t *app_error_code)
{
#ifndef OPENSSL_NO_QUIC
if (!IS_QUIC(s))
return -1;
return ossl_quic_get_stream_write_error_code(s, app_error_code);
#else
return -1;
#endif
}
int SSL_get_conn_close_info(SSL *s, SSL_CONN_CLOSE_INFO *info,
size_t info_len)
{
#ifndef OPENSSL_NO_QUIC
if (!IS_QUIC(s))
return -1;
return ossl_quic_get_conn_close_info(s, info, info_len);
#else
return -1;
#endif
}
int SSL_get_value_uint(SSL *s, uint32_t class_, uint32_t id,
uint64_t *value)
{
#ifndef OPENSSL_NO_QUIC
if (IS_QUIC(s))
return ossl_quic_get_value_uint(s, class_, id, value);
#endif
ERR_raise(ERR_LIB_SSL, SSL_R_UNSUPPORTED_PROTOCOL);
return 0;
}
int SSL_set_value_uint(SSL *s, uint32_t class_, uint32_t id,
uint64_t value)
{
#ifndef OPENSSL_NO_QUIC
if (IS_QUIC(s))
return ossl_quic_set_value_uint(s, class_, id, value);
#endif
ERR_raise(ERR_LIB_SSL, SSL_R_UNSUPPORTED_PROTOCOL);
return 0;
}
int SSL_add_expected_rpk(SSL *s, EVP_PKEY *rpk)
{
unsigned char *data = NULL;
SSL_DANE *dane = SSL_get0_dane(s);
int ret;
if (dane == NULL || dane->dctx == NULL)
return 0;
if ((ret = i2d_PUBKEY(rpk, &data)) <= 0)
return 0;
ret = SSL_dane_tlsa_add(s, DANETLS_USAGE_DANE_EE,
DANETLS_SELECTOR_SPKI,
DANETLS_MATCHING_FULL,
data, (size_t)ret) > 0;
OPENSSL_free(data);
return ret;
}
EVP_PKEY *SSL_get0_peer_rpk(const SSL *s)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL || sc->session == NULL)
return NULL;
return sc->session->peer_rpk;
}
int SSL_get_negotiated_client_cert_type(const SSL *s)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return 0;
return sc->ext.client_cert_type;
}
int SSL_get_negotiated_server_cert_type(const SSL *s)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return 0;
return sc->ext.server_cert_type;
}
static int validate_cert_type(const unsigned char *val, size_t len)
{
size_t i;
int saw_rpk = 0;
int saw_x509 = 0;
if (val == NULL && len == 0)
return 1;
if (val == NULL || len == 0)
return 0;
for (i = 0; i < len; i++) {
switch (val[i]) {
case TLSEXT_cert_type_rpk:
if (saw_rpk)
return 0;
saw_rpk = 1;
break;
case TLSEXT_cert_type_x509:
if (saw_x509)
return 0;
saw_x509 = 1;
break;
case TLSEXT_cert_type_pgp:
case TLSEXT_cert_type_1609dot2:
default:
return 0;
}
}
return 1;
}
static int set_cert_type(unsigned char **cert_type,
size_t *cert_type_len,
const unsigned char *val,
size_t len)
{
unsigned char *tmp = NULL;
if (!validate_cert_type(val, len))
return 0;
if (val != NULL && (tmp = OPENSSL_memdup(val, len)) == NULL)
return 0;
OPENSSL_free(*cert_type);
*cert_type = tmp;
*cert_type_len = len;
return 1;
}
int SSL_set1_client_cert_type(SSL *s, const unsigned char *val, size_t len)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
return set_cert_type(&sc->client_cert_type, &sc->client_cert_type_len,
val, len);
}
int SSL_set1_server_cert_type(SSL *s, const unsigned char *val, size_t len)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
return set_cert_type(&sc->server_cert_type, &sc->server_cert_type_len,
val, len);
}
int SSL_CTX_set1_client_cert_type(SSL_CTX *ctx, const unsigned char *val, size_t len)
{
return set_cert_type(&ctx->client_cert_type, &ctx->client_cert_type_len,
val, len);
}
int SSL_CTX_set1_server_cert_type(SSL_CTX *ctx, const unsigned char *val, size_t len)
{
return set_cert_type(&ctx->server_cert_type, &ctx->server_cert_type_len,
val, len);
}
int SSL_get0_client_cert_type(const SSL *s, unsigned char **t, size_t *len)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
if (t == NULL || len == NULL)
return 0;
*t = sc->client_cert_type;
*len = sc->client_cert_type_len;
return 1;
}
int SSL_get0_server_cert_type(const SSL *s, unsigned char **t, size_t *len)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
if (t == NULL || len == NULL)
return 0;
*t = sc->server_cert_type;
*len = sc->server_cert_type_len;
return 1;
}
int SSL_CTX_get0_client_cert_type(const SSL_CTX *ctx, unsigned char **t, size_t *len)
{
if (t == NULL || len == NULL)
return 0;
*t = ctx->client_cert_type;
*len = ctx->client_cert_type_len;
return 1;
}
int SSL_CTX_get0_server_cert_type(const SSL_CTX *ctx, unsigned char **t, size_t *len)
{
if (t == NULL || len == NULL)
return 0;
*t = ctx->server_cert_type;
*len = ctx->server_cert_type_len;
return 1;
}
| ssl | openssl/ssl/ssl_lib.c | openssl |
#include <stdio.h>
#include "ssl_local.h"
#include <openssl/conf.h>
#include <openssl/objects.h>
#include <openssl/decoder.h>
#include <openssl/core_dispatch.h>
#include "internal/nelem.h"
typedef struct {
const char *name;
int namelen;
unsigned int name_flags;
uint64_t option_value;
} ssl_flag_tbl;
typedef struct {
uint64_t option_value;
unsigned int name_flags;
} ssl_switch_tbl;
#define SSL_TFLAG_INV 0x1
#define SSL_TFLAG_TYPE_MASK 0xf00
#define SSL_TFLAG_OPTION 0x000
#define SSL_TFLAG_CERT 0x100
#define SSL_TFLAG_VFY 0x200
#define SSL_TFLAG_CLIENT SSL_CONF_FLAG_CLIENT
#define SSL_TFLAG_SERVER SSL_CONF_FLAG_SERVER
#define SSL_TFLAG_BOTH (SSL_TFLAG_CLIENT|SSL_TFLAG_SERVER)
#define SSL_FLAG_TBL(str, flag) \
{str, (int)(sizeof(str) - 1), SSL_TFLAG_BOTH, flag}
#define SSL_FLAG_TBL_SRV(str, flag) \
{str, (int)(sizeof(str) - 1), SSL_TFLAG_SERVER, flag}
#define SSL_FLAG_TBL_CLI(str, flag) \
{str, (int)(sizeof(str) - 1), SSL_TFLAG_CLIENT, flag}
#define SSL_FLAG_TBL_INV(str, flag) \
{str, (int)(sizeof(str) - 1), SSL_TFLAG_INV|SSL_TFLAG_BOTH, flag}
#define SSL_FLAG_TBL_SRV_INV(str, flag) \
{str, (int)(sizeof(str) - 1), SSL_TFLAG_INV|SSL_TFLAG_SERVER, flag}
#define SSL_FLAG_TBL_CERT(str, flag) \
{str, (int)(sizeof(str) - 1), SSL_TFLAG_CERT|SSL_TFLAG_BOTH, flag}
#define SSL_FLAG_VFY_CLI(str, flag) \
{str, (int)(sizeof(str) - 1), SSL_TFLAG_VFY | SSL_TFLAG_CLIENT, flag}
#define SSL_FLAG_VFY_SRV(str, flag) \
{str, (int)(sizeof(str) - 1), SSL_TFLAG_VFY | SSL_TFLAG_SERVER, flag}
struct ssl_conf_ctx_st {
unsigned int flags;
char *prefix;
size_t prefixlen;
SSL_CTX *ctx;
SSL *ssl;
uint64_t *poptions;
char *cert_filename[SSL_PKEY_NUM];
uint32_t *pcert_flags;
uint32_t *pvfy_flags;
int *min_version;
int *max_version;
const ssl_flag_tbl *tbl;
size_t ntbl;
STACK_OF(X509_NAME) *canames;
};
static void ssl_set_option(SSL_CONF_CTX *cctx, unsigned int name_flags,
uint64_t option_value, int onoff)
{
uint32_t *pflags;
if (cctx->poptions == NULL)
return;
if (name_flags & SSL_TFLAG_INV)
onoff ^= 1;
switch (name_flags & SSL_TFLAG_TYPE_MASK) {
case SSL_TFLAG_CERT:
pflags = cctx->pcert_flags;
break;
case SSL_TFLAG_VFY:
pflags = cctx->pvfy_flags;
break;
case SSL_TFLAG_OPTION:
if (onoff)
*cctx->poptions |= option_value;
else
*cctx->poptions &= ~option_value;
return;
default:
return;
}
if (onoff)
*pflags |= option_value;
else
*pflags &= ~option_value;
}
static int ssl_match_option(SSL_CONF_CTX *cctx, const ssl_flag_tbl *tbl,
const char *name, int namelen, int onoff)
{
if (!(cctx->flags & tbl->name_flags & SSL_TFLAG_BOTH))
return 0;
if (namelen == -1) {
if (strcmp(tbl->name, name))
return 0;
} else if (tbl->namelen != namelen
|| OPENSSL_strncasecmp(tbl->name, name, namelen))
return 0;
ssl_set_option(cctx, tbl->name_flags, tbl->option_value, onoff);
return 1;
}
static int ssl_set_option_list(const char *elem, int len, void *usr)
{
SSL_CONF_CTX *cctx = usr;
size_t i;
const ssl_flag_tbl *tbl;
int onoff = 1;
if (elem == NULL)
return 0;
if (len != -1) {
if (*elem == '+') {
elem++;
len--;
onoff = 1;
} else if (*elem == '-') {
elem++;
len--;
onoff = 0;
}
}
for (i = 0, tbl = cctx->tbl; i < cctx->ntbl; i++, tbl++) {
if (ssl_match_option(cctx, tbl, elem, len, onoff))
return 1;
}
return 0;
}
static int cmd_SignatureAlgorithms(SSL_CONF_CTX *cctx, const char *value)
{
int rv;
if (cctx->ssl)
rv = SSL_set1_sigalgs_list(cctx->ssl, value);
else
rv = SSL_CTX_set1_sigalgs_list(cctx->ctx, value);
return rv > 0;
}
static int cmd_ClientSignatureAlgorithms(SSL_CONF_CTX *cctx, const char *value)
{
int rv;
if (cctx->ssl)
rv = SSL_set1_client_sigalgs_list(cctx->ssl, value);
else
rv = SSL_CTX_set1_client_sigalgs_list(cctx->ctx, value);
return rv > 0;
}
static int cmd_Groups(SSL_CONF_CTX *cctx, const char *value)
{
int rv;
if (cctx->ssl)
rv = SSL_set1_groups_list(cctx->ssl, value);
else
rv = SSL_CTX_set1_groups_list(cctx->ctx, value);
return rv > 0;
}
static int cmd_Curves(SSL_CONF_CTX *cctx, const char *value)
{
return cmd_Groups(cctx, value);
}
static int cmd_ECDHParameters(SSL_CONF_CTX *cctx, const char *value)
{
int rv = 1;
if ((cctx->flags & SSL_CONF_FLAG_FILE)
&& (OPENSSL_strcasecmp(value, "+automatic") == 0
|| OPENSSL_strcasecmp(value, "automatic") == 0))
return 1;
if ((cctx->flags & SSL_CONF_FLAG_CMDLINE) &&
strcmp(value, "auto") == 0)
return 1;
if (strchr(value, ':') != NULL)
return 0;
if (cctx->ctx)
rv = SSL_CTX_set1_groups_list(cctx->ctx, value);
else if (cctx->ssl)
rv = SSL_set1_groups_list(cctx->ssl, value);
return rv > 0;
}
static int cmd_CipherString(SSL_CONF_CTX *cctx, const char *value)
{
int rv = 1;
if (cctx->ctx)
rv = SSL_CTX_set_cipher_list(cctx->ctx, value);
if (cctx->ssl)
rv = SSL_set_cipher_list(cctx->ssl, value);
return rv > 0;
}
static int cmd_Ciphersuites(SSL_CONF_CTX *cctx, const char *value)
{
int rv = 1;
if (cctx->ctx)
rv = SSL_CTX_set_ciphersuites(cctx->ctx, value);
if (cctx->ssl)
rv = SSL_set_ciphersuites(cctx->ssl, value);
return rv > 0;
}
static int cmd_Protocol(SSL_CONF_CTX *cctx, const char *value)
{
static const ssl_flag_tbl ssl_protocol_list[] = {
SSL_FLAG_TBL_INV("ALL", SSL_OP_NO_SSL_MASK),
SSL_FLAG_TBL_INV("SSLv2", SSL_OP_NO_SSLv2),
SSL_FLAG_TBL_INV("SSLv3", SSL_OP_NO_SSLv3),
SSL_FLAG_TBL_INV("TLSv1", SSL_OP_NO_TLSv1),
SSL_FLAG_TBL_INV("TLSv1.1", SSL_OP_NO_TLSv1_1),
SSL_FLAG_TBL_INV("TLSv1.2", SSL_OP_NO_TLSv1_2),
SSL_FLAG_TBL_INV("TLSv1.3", SSL_OP_NO_TLSv1_3),
SSL_FLAG_TBL_INV("DTLSv1", SSL_OP_NO_DTLSv1),
SSL_FLAG_TBL_INV("DTLSv1.2", SSL_OP_NO_DTLSv1_2)
};
cctx->tbl = ssl_protocol_list;
cctx->ntbl = OSSL_NELEM(ssl_protocol_list);
return CONF_parse_list(value, ',', 1, ssl_set_option_list, cctx);
}
static int protocol_from_string(const char *value)
{
struct protocol_versions {
const char *name;
int version;
};
static const struct protocol_versions versions[] = {
{"None", 0},
{"SSLv3", SSL3_VERSION},
{"TLSv1", TLS1_VERSION},
{"TLSv1.1", TLS1_1_VERSION},
{"TLSv1.2", TLS1_2_VERSION},
{"TLSv1.3", TLS1_3_VERSION},
{"DTLSv1", DTLS1_VERSION},
{"DTLSv1.2", DTLS1_2_VERSION}
};
size_t i;
size_t n = OSSL_NELEM(versions);
for (i = 0; i < n; i++)
if (strcmp(versions[i].name, value) == 0)
return versions[i].version;
return -1;
}
static int min_max_proto(SSL_CONF_CTX *cctx, const char *value, int *bound)
{
int method_version;
int new_version;
if (cctx->ctx != NULL)
method_version = cctx->ctx->method->version;
else if (cctx->ssl != NULL)
method_version = cctx->ssl->defltmeth->version;
else
return 0;
if ((new_version = protocol_from_string(value)) < 0)
return 0;
return ssl_set_version_bound(method_version, new_version, bound);
}
static int cmd_MinProtocol(SSL_CONF_CTX *cctx, const char *value)
{
return min_max_proto(cctx, value, cctx->min_version);
}
static int cmd_MaxProtocol(SSL_CONF_CTX *cctx, const char *value)
{
return min_max_proto(cctx, value, cctx->max_version);
}
static int cmd_Options(SSL_CONF_CTX *cctx, const char *value)
{
static const ssl_flag_tbl ssl_option_list[] = {
SSL_FLAG_TBL_INV("SessionTicket", SSL_OP_NO_TICKET),
SSL_FLAG_TBL_INV("EmptyFragments",
SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS),
SSL_FLAG_TBL("Bugs", SSL_OP_ALL),
SSL_FLAG_TBL_INV("Compression", SSL_OP_NO_COMPRESSION),
SSL_FLAG_TBL_SRV("ServerPreference", SSL_OP_CIPHER_SERVER_PREFERENCE),
SSL_FLAG_TBL_SRV("NoResumptionOnRenegotiation",
SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION),
SSL_FLAG_TBL_SRV("DHSingle", SSL_OP_SINGLE_DH_USE),
SSL_FLAG_TBL_SRV("ECDHSingle", SSL_OP_SINGLE_ECDH_USE),
SSL_FLAG_TBL("UnsafeLegacyRenegotiation",
SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION),
SSL_FLAG_TBL("UnsafeLegacyServerConnect",
SSL_OP_LEGACY_SERVER_CONNECT),
SSL_FLAG_TBL("ClientRenegotiation",
SSL_OP_ALLOW_CLIENT_RENEGOTIATION),
SSL_FLAG_TBL_INV("EncryptThenMac", SSL_OP_NO_ENCRYPT_THEN_MAC),
SSL_FLAG_TBL("NoRenegotiation", SSL_OP_NO_RENEGOTIATION),
SSL_FLAG_TBL("AllowNoDHEKEX", SSL_OP_ALLOW_NO_DHE_KEX),
SSL_FLAG_TBL("PreferNoDHEKEX", SSL_OP_PREFER_NO_DHE_KEX),
SSL_FLAG_TBL("PrioritizeChaCha", SSL_OP_PRIORITIZE_CHACHA),
SSL_FLAG_TBL("MiddleboxCompat", SSL_OP_ENABLE_MIDDLEBOX_COMPAT),
SSL_FLAG_TBL_INV("AntiReplay", SSL_OP_NO_ANTI_REPLAY),
SSL_FLAG_TBL_INV("ExtendedMasterSecret", SSL_OP_NO_EXTENDED_MASTER_SECRET),
SSL_FLAG_TBL_INV("CANames", SSL_OP_DISABLE_TLSEXT_CA_NAMES),
SSL_FLAG_TBL("KTLS", SSL_OP_ENABLE_KTLS),
SSL_FLAG_TBL_CERT("StrictCertCheck", SSL_CERT_FLAG_TLS_STRICT),
SSL_FLAG_TBL_INV("TxCertificateCompression", SSL_OP_NO_TX_CERTIFICATE_COMPRESSION),
SSL_FLAG_TBL_INV("RxCertificateCompression", SSL_OP_NO_RX_CERTIFICATE_COMPRESSION),
SSL_FLAG_TBL("KTLSTxZerocopySendfile", SSL_OP_ENABLE_KTLS_TX_ZEROCOPY_SENDFILE),
SSL_FLAG_TBL("IgnoreUnexpectedEOF", SSL_OP_IGNORE_UNEXPECTED_EOF),
};
if (value == NULL)
return -3;
cctx->tbl = ssl_option_list;
cctx->ntbl = OSSL_NELEM(ssl_option_list);
return CONF_parse_list(value, ',', 1, ssl_set_option_list, cctx);
}
static int cmd_VerifyMode(SSL_CONF_CTX *cctx, const char *value)
{
static const ssl_flag_tbl ssl_vfy_list[] = {
SSL_FLAG_VFY_CLI("Peer", SSL_VERIFY_PEER),
SSL_FLAG_VFY_SRV("Request", SSL_VERIFY_PEER),
SSL_FLAG_VFY_SRV("Require",
SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT),
SSL_FLAG_VFY_SRV("Once", SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE),
SSL_FLAG_VFY_SRV("RequestPostHandshake",
SSL_VERIFY_PEER | SSL_VERIFY_POST_HANDSHAKE),
SSL_FLAG_VFY_SRV("RequirePostHandshake",
SSL_VERIFY_PEER | SSL_VERIFY_POST_HANDSHAKE |
SSL_VERIFY_FAIL_IF_NO_PEER_CERT),
};
if (value == NULL)
return -3;
cctx->tbl = ssl_vfy_list;
cctx->ntbl = OSSL_NELEM(ssl_vfy_list);
return CONF_parse_list(value, ',', 1, ssl_set_option_list, cctx);
}
static int cmd_Certificate(SSL_CONF_CTX *cctx, const char *value)
{
int rv = 1;
CERT *c = NULL;
if (cctx->ctx != NULL) {
rv = SSL_CTX_use_certificate_chain_file(cctx->ctx, value);
c = cctx->ctx->cert;
}
if (cctx->ssl != NULL) {
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(cctx->ssl);
if (sc != NULL) {
rv = SSL_use_certificate_chain_file(cctx->ssl, value);
c = sc->cert;
} else {
rv = 0;
}
}
if (rv > 0 && c != NULL && cctx->flags & SSL_CONF_FLAG_REQUIRE_PRIVATE) {
char **pfilename = &cctx->cert_filename[c->key - c->pkeys];
OPENSSL_free(*pfilename);
*pfilename = OPENSSL_strdup(value);
if (*pfilename == NULL)
rv = 0;
}
return rv > 0;
}
static int cmd_PrivateKey(SSL_CONF_CTX *cctx, const char *value)
{
int rv = 1;
if (!(cctx->flags & SSL_CONF_FLAG_CERTIFICATE))
return -2;
if (cctx->ctx)
rv = SSL_CTX_use_PrivateKey_file(cctx->ctx, value, SSL_FILETYPE_PEM);
if (cctx->ssl)
rv = SSL_use_PrivateKey_file(cctx->ssl, value, SSL_FILETYPE_PEM);
return rv > 0;
}
static int cmd_ServerInfoFile(SSL_CONF_CTX *cctx, const char *value)
{
int rv = 1;
if (cctx->ctx)
rv = SSL_CTX_use_serverinfo_file(cctx->ctx, value);
return rv > 0;
}
static int do_store(SSL_CONF_CTX *cctx,
const char *CAfile, const char *CApath, const char *CAstore,
int verify_store)
{
CERT *cert;
X509_STORE **st;
SSL_CTX *ctx;
OSSL_LIB_CTX *libctx = NULL;
const char *propq = NULL;
if (cctx->ctx != NULL) {
cert = cctx->ctx->cert;
ctx = cctx->ctx;
} else if (cctx->ssl != NULL) {
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(cctx->ssl);
if (sc == NULL)
return 0;
cert = sc->cert;
ctx = cctx->ssl->ctx;
} else {
return 1;
}
if (ctx != NULL) {
libctx = ctx->libctx;
propq = ctx->propq;
}
st = verify_store ? &cert->verify_store : &cert->chain_store;
if (*st == NULL) {
*st = X509_STORE_new();
if (*st == NULL)
return 0;
}
if (CAfile != NULL && !X509_STORE_load_file_ex(*st, CAfile, libctx, propq))
return 0;
if (CApath != NULL && !X509_STORE_load_path(*st, CApath))
return 0;
if (CAstore != NULL && !X509_STORE_load_store_ex(*st, CAstore, libctx,
propq))
return 0;
return 1;
}
static int cmd_ChainCAPath(SSL_CONF_CTX *cctx, const char *value)
{
return do_store(cctx, NULL, value, NULL, 0);
}
static int cmd_ChainCAFile(SSL_CONF_CTX *cctx, const char *value)
{
return do_store(cctx, value, NULL, NULL, 0);
}
static int cmd_ChainCAStore(SSL_CONF_CTX *cctx, const char *value)
{
return do_store(cctx, NULL, NULL, value, 0);
}
static int cmd_VerifyCAPath(SSL_CONF_CTX *cctx, const char *value)
{
return do_store(cctx, NULL, value, NULL, 1);
}
static int cmd_VerifyCAFile(SSL_CONF_CTX *cctx, const char *value)
{
return do_store(cctx, value, NULL, NULL, 1);
}
static int cmd_VerifyCAStore(SSL_CONF_CTX *cctx, const char *value)
{
return do_store(cctx, NULL, NULL, value, 1);
}
static int cmd_RequestCAFile(SSL_CONF_CTX *cctx, const char *value)
{
if (cctx->canames == NULL)
cctx->canames = sk_X509_NAME_new_null();
if (cctx->canames == NULL)
return 0;
return SSL_add_file_cert_subjects_to_stack(cctx->canames, value);
}
static int cmd_ClientCAFile(SSL_CONF_CTX *cctx, const char *value)
{
return cmd_RequestCAFile(cctx, value);
}
static int cmd_RequestCAPath(SSL_CONF_CTX *cctx, const char *value)
{
if (cctx->canames == NULL)
cctx->canames = sk_X509_NAME_new_null();
if (cctx->canames == NULL)
return 0;
return SSL_add_dir_cert_subjects_to_stack(cctx->canames, value);
}
static int cmd_ClientCAPath(SSL_CONF_CTX *cctx, const char *value)
{
return cmd_RequestCAPath(cctx, value);
}
static int cmd_RequestCAStore(SSL_CONF_CTX *cctx, const char *value)
{
if (cctx->canames == NULL)
cctx->canames = sk_X509_NAME_new_null();
if (cctx->canames == NULL)
return 0;
return SSL_add_store_cert_subjects_to_stack(cctx->canames, value);
}
static int cmd_ClientCAStore(SSL_CONF_CTX *cctx, const char *value)
{
return cmd_RequestCAStore(cctx, value);
}
static int cmd_DHParameters(SSL_CONF_CTX *cctx, const char *value)
{
int rv = 0;
EVP_PKEY *dhpkey = NULL;
BIO *in = NULL;
SSL_CTX *sslctx = (cctx->ssl != NULL) ? cctx->ssl->ctx : cctx->ctx;
OSSL_DECODER_CTX *decoderctx = NULL;
if (cctx->ctx != NULL || cctx->ssl != NULL) {
in = BIO_new(BIO_s_file());
if (in == NULL)
goto end;
if (BIO_read_filename(in, value) <= 0)
goto end;
decoderctx
= OSSL_DECODER_CTX_new_for_pkey(&dhpkey, "PEM", NULL, "DH",
OSSL_KEYMGMT_SELECT_DOMAIN_PARAMETERS,
sslctx->libctx, sslctx->propq);
if (decoderctx == NULL)
goto end;
ERR_set_mark();
while (!OSSL_DECODER_from_bio(decoderctx, in)
&& dhpkey == NULL
&& !BIO_eof(in));
OSSL_DECODER_CTX_free(decoderctx);
if (dhpkey == NULL) {
ERR_clear_last_mark();
goto end;
}
ERR_pop_to_mark();
} else {
return 1;
}
if (cctx->ctx != NULL) {
if ((rv = SSL_CTX_set0_tmp_dh_pkey(cctx->ctx, dhpkey)) > 0)
dhpkey = NULL;
}
if (cctx->ssl != NULL) {
if ((rv = SSL_set0_tmp_dh_pkey(cctx->ssl, dhpkey)) > 0)
dhpkey = NULL;
}
end:
EVP_PKEY_free(dhpkey);
BIO_free(in);
return rv > 0;
}
static int cmd_RecordPadding(SSL_CONF_CTX *cctx, const char *value)
{
int rv = 0;
int block_size = atoi(value);
if (block_size >= 0) {
if (cctx->ctx)
rv = SSL_CTX_set_block_padding(cctx->ctx, block_size);
if (cctx->ssl)
rv = SSL_set_block_padding(cctx->ssl, block_size);
}
return rv;
}
static int cmd_NumTickets(SSL_CONF_CTX *cctx, const char *value)
{
int rv = 0;
int num_tickets = atoi(value);
if (num_tickets >= 0) {
if (cctx->ctx)
rv = SSL_CTX_set_num_tickets(cctx->ctx, num_tickets);
if (cctx->ssl)
rv = SSL_set_num_tickets(cctx->ssl, num_tickets);
}
return rv;
}
typedef struct {
int (*cmd) (SSL_CONF_CTX *cctx, const char *value);
const char *str_file;
const char *str_cmdline;
unsigned short flags;
unsigned short value_type;
} ssl_conf_cmd_tbl;
#define SSL_CONF_CMD(name, cmdopt, flags, type) \
{cmd_##name, #name, cmdopt, flags, type}
#define SSL_CONF_CMD_STRING(name, cmdopt, flags) \
SSL_CONF_CMD(name, cmdopt, flags, SSL_CONF_TYPE_STRING)
#define SSL_CONF_CMD_SWITCH(name, flags) \
{0, NULL, name, flags, SSL_CONF_TYPE_NONE}
static const ssl_conf_cmd_tbl ssl_conf_cmds[] = {
SSL_CONF_CMD_SWITCH("no_ssl3", 0),
SSL_CONF_CMD_SWITCH("no_tls1", 0),
SSL_CONF_CMD_SWITCH("no_tls1_1", 0),
SSL_CONF_CMD_SWITCH("no_tls1_2", 0),
SSL_CONF_CMD_SWITCH("no_tls1_3", 0),
SSL_CONF_CMD_SWITCH("bugs", 0),
SSL_CONF_CMD_SWITCH("no_comp", 0),
SSL_CONF_CMD_SWITCH("comp", 0),
SSL_CONF_CMD_SWITCH("no_tx_cert_comp", 0),
SSL_CONF_CMD_SWITCH("tx_cert_comp", 0),
SSL_CONF_CMD_SWITCH("no_rx_cert_comp", 0),
SSL_CONF_CMD_SWITCH("rx_cert_comp", 0),
SSL_CONF_CMD_SWITCH("ecdh_single", SSL_CONF_FLAG_SERVER),
SSL_CONF_CMD_SWITCH("no_ticket", 0),
SSL_CONF_CMD_SWITCH("serverpref", SSL_CONF_FLAG_SERVER),
SSL_CONF_CMD_SWITCH("legacy_renegotiation", 0),
SSL_CONF_CMD_SWITCH("client_renegotiation", SSL_CONF_FLAG_SERVER),
SSL_CONF_CMD_SWITCH("legacy_server_connect", SSL_CONF_FLAG_CLIENT),
SSL_CONF_CMD_SWITCH("no_renegotiation", 0),
SSL_CONF_CMD_SWITCH("no_resumption_on_reneg", SSL_CONF_FLAG_SERVER),
SSL_CONF_CMD_SWITCH("no_legacy_server_connect", SSL_CONF_FLAG_CLIENT),
SSL_CONF_CMD_SWITCH("allow_no_dhe_kex", 0),
SSL_CONF_CMD_SWITCH("prefer_no_dhe_kex", 0),
SSL_CONF_CMD_SWITCH("prioritize_chacha", SSL_CONF_FLAG_SERVER),
SSL_CONF_CMD_SWITCH("strict", 0),
SSL_CONF_CMD_SWITCH("no_middlebox", 0),
SSL_CONF_CMD_SWITCH("anti_replay", SSL_CONF_FLAG_SERVER),
SSL_CONF_CMD_SWITCH("no_anti_replay", SSL_CONF_FLAG_SERVER),
SSL_CONF_CMD_SWITCH("no_etm", 0),
SSL_CONF_CMD_SWITCH("no_ems", 0),
SSL_CONF_CMD_STRING(SignatureAlgorithms, "sigalgs", 0),
SSL_CONF_CMD_STRING(ClientSignatureAlgorithms, "client_sigalgs", 0),
SSL_CONF_CMD_STRING(Curves, "curves", 0),
SSL_CONF_CMD_STRING(Groups, "groups", 0),
SSL_CONF_CMD_STRING(ECDHParameters, "named_curve", SSL_CONF_FLAG_SERVER),
SSL_CONF_CMD_STRING(CipherString, "cipher", 0),
SSL_CONF_CMD_STRING(Ciphersuites, "ciphersuites", 0),
SSL_CONF_CMD_STRING(Protocol, NULL, 0),
SSL_CONF_CMD_STRING(MinProtocol, "min_protocol", 0),
SSL_CONF_CMD_STRING(MaxProtocol, "max_protocol", 0),
SSL_CONF_CMD_STRING(Options, NULL, 0),
SSL_CONF_CMD_STRING(VerifyMode, NULL, 0),
SSL_CONF_CMD(Certificate, "cert", SSL_CONF_FLAG_CERTIFICATE,
SSL_CONF_TYPE_FILE),
SSL_CONF_CMD(PrivateKey, "key", SSL_CONF_FLAG_CERTIFICATE,
SSL_CONF_TYPE_FILE),
SSL_CONF_CMD(ServerInfoFile, NULL,
SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CERTIFICATE,
SSL_CONF_TYPE_FILE),
SSL_CONF_CMD(ChainCAPath, "chainCApath", SSL_CONF_FLAG_CERTIFICATE,
SSL_CONF_TYPE_DIR),
SSL_CONF_CMD(ChainCAFile, "chainCAfile", SSL_CONF_FLAG_CERTIFICATE,
SSL_CONF_TYPE_FILE),
SSL_CONF_CMD(ChainCAStore, "chainCAstore", SSL_CONF_FLAG_CERTIFICATE,
SSL_CONF_TYPE_STORE),
SSL_CONF_CMD(VerifyCAPath, "verifyCApath", SSL_CONF_FLAG_CERTIFICATE,
SSL_CONF_TYPE_DIR),
SSL_CONF_CMD(VerifyCAFile, "verifyCAfile", SSL_CONF_FLAG_CERTIFICATE,
SSL_CONF_TYPE_FILE),
SSL_CONF_CMD(VerifyCAStore, "verifyCAstore", SSL_CONF_FLAG_CERTIFICATE,
SSL_CONF_TYPE_STORE),
SSL_CONF_CMD(RequestCAFile, "requestCAFile", SSL_CONF_FLAG_CERTIFICATE,
SSL_CONF_TYPE_FILE),
SSL_CONF_CMD(ClientCAFile, NULL,
SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CERTIFICATE,
SSL_CONF_TYPE_FILE),
SSL_CONF_CMD(RequestCAPath, NULL, SSL_CONF_FLAG_CERTIFICATE,
SSL_CONF_TYPE_DIR),
SSL_CONF_CMD(ClientCAPath, NULL,
SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CERTIFICATE,
SSL_CONF_TYPE_DIR),
SSL_CONF_CMD(RequestCAStore, "requestCAStore", SSL_CONF_FLAG_CERTIFICATE,
SSL_CONF_TYPE_STORE),
SSL_CONF_CMD(ClientCAStore, NULL,
SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CERTIFICATE,
SSL_CONF_TYPE_STORE),
SSL_CONF_CMD(DHParameters, "dhparam",
SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CERTIFICATE,
SSL_CONF_TYPE_FILE),
SSL_CONF_CMD_STRING(RecordPadding, "record_padding", 0),
SSL_CONF_CMD_STRING(NumTickets, "num_tickets", SSL_CONF_FLAG_SERVER),
};
static const ssl_switch_tbl ssl_cmd_switches[] = {
{SSL_OP_NO_SSLv3, 0},
{SSL_OP_NO_TLSv1, 0},
{SSL_OP_NO_TLSv1_1, 0},
{SSL_OP_NO_TLSv1_2, 0},
{SSL_OP_NO_TLSv1_3, 0},
{SSL_OP_ALL, 0},
{SSL_OP_NO_COMPRESSION, 0},
{SSL_OP_NO_COMPRESSION, SSL_TFLAG_INV},
{SSL_OP_NO_TX_CERTIFICATE_COMPRESSION, 0},
{SSL_OP_NO_TX_CERTIFICATE_COMPRESSION, SSL_TFLAG_INV},
{SSL_OP_NO_RX_CERTIFICATE_COMPRESSION, 0},
{SSL_OP_NO_RX_CERTIFICATE_COMPRESSION, SSL_TFLAG_INV},
{SSL_OP_SINGLE_ECDH_USE, 0},
{SSL_OP_NO_TICKET, 0},
{SSL_OP_CIPHER_SERVER_PREFERENCE, 0},
{SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION, 0},
{SSL_OP_ALLOW_CLIENT_RENEGOTIATION, 0},
{SSL_OP_LEGACY_SERVER_CONNECT, 0},
{SSL_OP_NO_RENEGOTIATION, 0},
{SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION, 0},
{SSL_OP_LEGACY_SERVER_CONNECT, SSL_TFLAG_INV},
{SSL_OP_ALLOW_NO_DHE_KEX, 0},
{SSL_OP_PREFER_NO_DHE_KEX, 0},
{SSL_OP_PRIORITIZE_CHACHA, 0},
{SSL_CERT_FLAG_TLS_STRICT, SSL_TFLAG_CERT},
{SSL_OP_ENABLE_MIDDLEBOX_COMPAT, SSL_TFLAG_INV},
{SSL_OP_NO_ANTI_REPLAY, SSL_TFLAG_INV},
{SSL_OP_NO_ANTI_REPLAY, 0},
{SSL_OP_NO_ENCRYPT_THEN_MAC, 0},
{SSL_OP_NO_EXTENDED_MASTER_SECRET, 0},
};
static int ssl_conf_cmd_skip_prefix(SSL_CONF_CTX *cctx, const char **pcmd)
{
if (pcmd == NULL || *pcmd == NULL)
return 0;
if (cctx->prefix) {
if (strlen(*pcmd) <= cctx->prefixlen)
return 0;
if (cctx->flags & SSL_CONF_FLAG_CMDLINE &&
strncmp(*pcmd, cctx->prefix, cctx->prefixlen))
return 0;
if (cctx->flags & SSL_CONF_FLAG_FILE &&
OPENSSL_strncasecmp(*pcmd, cctx->prefix, cctx->prefixlen))
return 0;
*pcmd += cctx->prefixlen;
} else if (cctx->flags & SSL_CONF_FLAG_CMDLINE) {
if (**pcmd != '-' || !(*pcmd)[1])
return 0;
*pcmd += 1;
}
return 1;
}
static int ssl_conf_cmd_allowed(SSL_CONF_CTX *cctx, const ssl_conf_cmd_tbl *t)
{
unsigned int tfl = t->flags;
unsigned int cfl = cctx->flags;
if ((tfl & SSL_CONF_FLAG_SERVER) && !(cfl & SSL_CONF_FLAG_SERVER))
return 0;
if ((tfl & SSL_CONF_FLAG_CLIENT) && !(cfl & SSL_CONF_FLAG_CLIENT))
return 0;
if ((tfl & SSL_CONF_FLAG_CERTIFICATE)
&& !(cfl & SSL_CONF_FLAG_CERTIFICATE))
return 0;
return 1;
}
static const ssl_conf_cmd_tbl *ssl_conf_cmd_lookup(SSL_CONF_CTX *cctx,
const char *cmd)
{
const ssl_conf_cmd_tbl *t;
size_t i;
if (cmd == NULL)
return NULL;
for (i = 0, t = ssl_conf_cmds; i < OSSL_NELEM(ssl_conf_cmds); i++, t++) {
if (ssl_conf_cmd_allowed(cctx, t)) {
if (cctx->flags & SSL_CONF_FLAG_CMDLINE) {
if (t->str_cmdline && strcmp(t->str_cmdline, cmd) == 0)
return t;
}
if (cctx->flags & SSL_CONF_FLAG_FILE) {
if (t->str_file && OPENSSL_strcasecmp(t->str_file, cmd) == 0)
return t;
}
}
}
return NULL;
}
static int ctrl_switch_option(SSL_CONF_CTX *cctx, const ssl_conf_cmd_tbl *cmd)
{
size_t idx = cmd - ssl_conf_cmds;
const ssl_switch_tbl *scmd;
if (idx >= OSSL_NELEM(ssl_cmd_switches)) {
ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
return 0;
}
scmd = ssl_cmd_switches + idx;
ssl_set_option(cctx, scmd->name_flags, scmd->option_value, 1);
return 1;
}
int SSL_CONF_cmd(SSL_CONF_CTX *cctx, const char *cmd, const char *value)
{
const ssl_conf_cmd_tbl *runcmd;
if (cmd == NULL) {
ERR_raise(ERR_LIB_SSL, SSL_R_INVALID_NULL_CMD_NAME);
return 0;
}
if (!ssl_conf_cmd_skip_prefix(cctx, &cmd))
goto unknown_cmd;
runcmd = ssl_conf_cmd_lookup(cctx, cmd);
if (runcmd) {
int rv = -3;
if (runcmd->value_type == SSL_CONF_TYPE_NONE) {
return ctrl_switch_option(cctx, runcmd);
}
if (value == NULL)
goto bad_value;
rv = runcmd->cmd(cctx, value);
if (rv > 0)
return 2;
if (rv != -2)
rv = 0;
bad_value:
if (cctx->flags & SSL_CONF_FLAG_SHOW_ERRORS)
ERR_raise_data(ERR_LIB_SSL, SSL_R_BAD_VALUE,
"cmd=%s, value=%s", cmd,
value != NULL ? value : "<EMPTY>");
return rv;
}
unknown_cmd:
if (cctx->flags & SSL_CONF_FLAG_SHOW_ERRORS)
ERR_raise_data(ERR_LIB_SSL, SSL_R_UNKNOWN_CMD_NAME, "cmd=%s", cmd);
return -2;
}
int SSL_CONF_cmd_argv(SSL_CONF_CTX *cctx, int *pargc, char ***pargv)
{
int rv;
const char *arg = NULL, *argn;
if (pargc != NULL && *pargc == 0)
return 0;
if (pargc == NULL || *pargc > 0)
arg = **pargv;
if (arg == NULL)
return 0;
if (pargc == NULL || *pargc > 1)
argn = (*pargv)[1];
else
argn = NULL;
cctx->flags &= ~SSL_CONF_FLAG_FILE;
cctx->flags |= SSL_CONF_FLAG_CMDLINE;
rv = SSL_CONF_cmd(cctx, arg, argn);
if (rv > 0) {
(*pargv) += rv;
if (pargc)
(*pargc) -= rv;
return rv;
}
if (rv == -2)
return 0;
if (rv == 0)
return -1;
return rv;
}
int SSL_CONF_cmd_value_type(SSL_CONF_CTX *cctx, const char *cmd)
{
if (ssl_conf_cmd_skip_prefix(cctx, &cmd)) {
const ssl_conf_cmd_tbl *runcmd;
runcmd = ssl_conf_cmd_lookup(cctx, cmd);
if (runcmd)
return runcmd->value_type;
}
return SSL_CONF_TYPE_UNKNOWN;
}
SSL_CONF_CTX *SSL_CONF_CTX_new(void)
{
SSL_CONF_CTX *ret = OPENSSL_zalloc(sizeof(*ret));
return ret;
}
int SSL_CONF_CTX_finish(SSL_CONF_CTX *cctx)
{
size_t i;
CERT *c = NULL;
if (cctx->ctx != NULL) {
c = cctx->ctx->cert;
} else if (cctx->ssl != NULL) {
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(cctx->ssl);
if (sc != NULL)
c = sc->cert;
}
if (c != NULL && cctx->flags & SSL_CONF_FLAG_REQUIRE_PRIVATE) {
for (i = 0; i < SSL_PKEY_NUM; i++) {
const char *p = cctx->cert_filename[i];
if (p && !c->pkeys[i].privatekey) {
if (!cmd_PrivateKey(cctx, p))
return 0;
}
}
}
if (cctx->canames) {
if (cctx->ssl)
SSL_set0_CA_list(cctx->ssl, cctx->canames);
else if (cctx->ctx)
SSL_CTX_set0_CA_list(cctx->ctx, cctx->canames);
else
sk_X509_NAME_pop_free(cctx->canames, X509_NAME_free);
cctx->canames = NULL;
}
return 1;
}
void SSL_CONF_CTX_free(SSL_CONF_CTX *cctx)
{
if (cctx) {
size_t i;
for (i = 0; i < SSL_PKEY_NUM; i++)
OPENSSL_free(cctx->cert_filename[i]);
OPENSSL_free(cctx->prefix);
sk_X509_NAME_pop_free(cctx->canames, X509_NAME_free);
OPENSSL_free(cctx);
}
}
unsigned int SSL_CONF_CTX_set_flags(SSL_CONF_CTX *cctx, unsigned int flags)
{
cctx->flags |= flags;
return cctx->flags;
}
unsigned int SSL_CONF_CTX_clear_flags(SSL_CONF_CTX *cctx, unsigned int flags)
{
cctx->flags &= ~flags;
return cctx->flags;
}
int SSL_CONF_CTX_set1_prefix(SSL_CONF_CTX *cctx, const char *pre)
{
char *tmp = NULL;
if (pre) {
tmp = OPENSSL_strdup(pre);
if (tmp == NULL)
return 0;
}
OPENSSL_free(cctx->prefix);
cctx->prefix = tmp;
if (tmp)
cctx->prefixlen = strlen(tmp);
else
cctx->prefixlen = 0;
return 1;
}
void SSL_CONF_CTX_set_ssl(SSL_CONF_CTX *cctx, SSL *ssl)
{
cctx->ssl = ssl;
cctx->ctx = NULL;
if (ssl != NULL) {
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl);
if (sc == NULL)
return;
cctx->poptions = &sc->options;
cctx->min_version = &sc->min_proto_version;
cctx->max_version = &sc->max_proto_version;
cctx->pcert_flags = &sc->cert->cert_flags;
cctx->pvfy_flags = &sc->verify_mode;
} else {
cctx->poptions = NULL;
cctx->min_version = NULL;
cctx->max_version = NULL;
cctx->pcert_flags = NULL;
cctx->pvfy_flags = NULL;
}
}
void SSL_CONF_CTX_set_ssl_ctx(SSL_CONF_CTX *cctx, SSL_CTX *ctx)
{
cctx->ctx = ctx;
cctx->ssl = NULL;
if (ctx) {
cctx->poptions = &ctx->options;
cctx->min_version = &ctx->min_proto_version;
cctx->max_version = &ctx->max_proto_version;
cctx->pcert_flags = &ctx->cert->cert_flags;
cctx->pvfy_flags = &ctx->verify_mode;
} else {
cctx->poptions = NULL;
cctx->min_version = NULL;
cctx->max_version = NULL;
cctx->pcert_flags = NULL;
cctx->pvfy_flags = NULL;
}
}
| ssl | openssl/ssl/ssl_conf.c | openssl |
#include <stdio.h>
#include <stdlib.h>
#include <openssl/objects.h>
#include <openssl/evp.h>
#include <openssl/hmac.h>
#include <openssl/core_names.h>
#include <openssl/ocsp.h>
#include <openssl/conf.h>
#include <openssl/x509v3.h>
#include <openssl/dh.h>
#include <openssl/bn.h>
#include <openssl/provider.h>
#include <openssl/param_build.h>
#include "internal/nelem.h"
#include "internal/sizes.h"
#include "internal/tlsgroups.h"
#include "ssl_local.h"
#include "quic/quic_local.h"
#include <openssl/ct.h>
static const SIGALG_LOOKUP *find_sig_alg(SSL_CONNECTION *s, X509 *x, EVP_PKEY *pkey);
static int tls12_sigalg_allowed(const SSL_CONNECTION *s, int op, const SIGALG_LOOKUP *lu);
SSL3_ENC_METHOD const TLSv1_enc_data = {
tls1_setup_key_block,
tls1_generate_master_secret,
tls1_change_cipher_state,
tls1_final_finish_mac,
TLS_MD_CLIENT_FINISH_CONST, TLS_MD_CLIENT_FINISH_CONST_SIZE,
TLS_MD_SERVER_FINISH_CONST, TLS_MD_SERVER_FINISH_CONST_SIZE,
tls1_alert_code,
tls1_export_keying_material,
0,
ssl3_set_handshake_header,
tls_close_construct_packet,
ssl3_handshake_write
};
SSL3_ENC_METHOD const TLSv1_1_enc_data = {
tls1_setup_key_block,
tls1_generate_master_secret,
tls1_change_cipher_state,
tls1_final_finish_mac,
TLS_MD_CLIENT_FINISH_CONST, TLS_MD_CLIENT_FINISH_CONST_SIZE,
TLS_MD_SERVER_FINISH_CONST, TLS_MD_SERVER_FINISH_CONST_SIZE,
tls1_alert_code,
tls1_export_keying_material,
SSL_ENC_FLAG_EXPLICIT_IV,
ssl3_set_handshake_header,
tls_close_construct_packet,
ssl3_handshake_write
};
SSL3_ENC_METHOD const TLSv1_2_enc_data = {
tls1_setup_key_block,
tls1_generate_master_secret,
tls1_change_cipher_state,
tls1_final_finish_mac,
TLS_MD_CLIENT_FINISH_CONST, TLS_MD_CLIENT_FINISH_CONST_SIZE,
TLS_MD_SERVER_FINISH_CONST, TLS_MD_SERVER_FINISH_CONST_SIZE,
tls1_alert_code,
tls1_export_keying_material,
SSL_ENC_FLAG_EXPLICIT_IV | SSL_ENC_FLAG_SIGALGS | SSL_ENC_FLAG_SHA256_PRF
| SSL_ENC_FLAG_TLS1_2_CIPHERS,
ssl3_set_handshake_header,
tls_close_construct_packet,
ssl3_handshake_write
};
SSL3_ENC_METHOD const TLSv1_3_enc_data = {
tls13_setup_key_block,
tls13_generate_master_secret,
tls13_change_cipher_state,
tls13_final_finish_mac,
TLS_MD_CLIENT_FINISH_CONST, TLS_MD_CLIENT_FINISH_CONST_SIZE,
TLS_MD_SERVER_FINISH_CONST, TLS_MD_SERVER_FINISH_CONST_SIZE,
tls13_alert_code,
tls13_export_keying_material,
SSL_ENC_FLAG_SIGALGS | SSL_ENC_FLAG_SHA256_PRF,
ssl3_set_handshake_header,
tls_close_construct_packet,
ssl3_handshake_write
};
OSSL_TIME tls1_default_timeout(void)
{
return ossl_seconds2time(60 * 60 * 2);
}
int tls1_new(SSL *s)
{
if (!ssl3_new(s))
return 0;
if (!s->method->ssl_clear(s))
return 0;
return 1;
}
void tls1_free(SSL *s)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return;
OPENSSL_free(sc->ext.session_ticket);
ssl3_free(s);
}
int tls1_clear(SSL *s)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return 0;
if (!ssl3_clear(s))
return 0;
if (s->method->version == TLS_ANY_VERSION)
sc->version = TLS_MAX_VERSION_INTERNAL;
else
sc->version = s->method->version;
return 1;
}
static const struct {
int nid;
uint16_t group_id;
} nid_to_group[] = {
{NID_sect163k1, OSSL_TLS_GROUP_ID_sect163k1},
{NID_sect163r1, OSSL_TLS_GROUP_ID_sect163r1},
{NID_sect163r2, OSSL_TLS_GROUP_ID_sect163r2},
{NID_sect193r1, OSSL_TLS_GROUP_ID_sect193r1},
{NID_sect193r2, OSSL_TLS_GROUP_ID_sect193r2},
{NID_sect233k1, OSSL_TLS_GROUP_ID_sect233k1},
{NID_sect233r1, OSSL_TLS_GROUP_ID_sect233r1},
{NID_sect239k1, OSSL_TLS_GROUP_ID_sect239k1},
{NID_sect283k1, OSSL_TLS_GROUP_ID_sect283k1},
{NID_sect283r1, OSSL_TLS_GROUP_ID_sect283r1},
{NID_sect409k1, OSSL_TLS_GROUP_ID_sect409k1},
{NID_sect409r1, OSSL_TLS_GROUP_ID_sect409r1},
{NID_sect571k1, OSSL_TLS_GROUP_ID_sect571k1},
{NID_sect571r1, OSSL_TLS_GROUP_ID_sect571r1},
{NID_secp160k1, OSSL_TLS_GROUP_ID_secp160k1},
{NID_secp160r1, OSSL_TLS_GROUP_ID_secp160r1},
{NID_secp160r2, OSSL_TLS_GROUP_ID_secp160r2},
{NID_secp192k1, OSSL_TLS_GROUP_ID_secp192k1},
{NID_X9_62_prime192v1, OSSL_TLS_GROUP_ID_secp192r1},
{NID_secp224k1, OSSL_TLS_GROUP_ID_secp224k1},
{NID_secp224r1, OSSL_TLS_GROUP_ID_secp224r1},
{NID_secp256k1, OSSL_TLS_GROUP_ID_secp256k1},
{NID_X9_62_prime256v1, OSSL_TLS_GROUP_ID_secp256r1},
{NID_secp384r1, OSSL_TLS_GROUP_ID_secp384r1},
{NID_secp521r1, OSSL_TLS_GROUP_ID_secp521r1},
{NID_brainpoolP256r1, OSSL_TLS_GROUP_ID_brainpoolP256r1},
{NID_brainpoolP384r1, OSSL_TLS_GROUP_ID_brainpoolP384r1},
{NID_brainpoolP512r1, OSSL_TLS_GROUP_ID_brainpoolP512r1},
{EVP_PKEY_X25519, OSSL_TLS_GROUP_ID_x25519},
{EVP_PKEY_X448, OSSL_TLS_GROUP_ID_x448},
{NID_brainpoolP256r1tls13, OSSL_TLS_GROUP_ID_brainpoolP256r1_tls13},
{NID_brainpoolP384r1tls13, OSSL_TLS_GROUP_ID_brainpoolP384r1_tls13},
{NID_brainpoolP512r1tls13, OSSL_TLS_GROUP_ID_brainpoolP512r1_tls13},
{NID_id_tc26_gost_3410_2012_256_paramSetA, OSSL_TLS_GROUP_ID_gc256A},
{NID_id_tc26_gost_3410_2012_256_paramSetB, OSSL_TLS_GROUP_ID_gc256B},
{NID_id_tc26_gost_3410_2012_256_paramSetC, OSSL_TLS_GROUP_ID_gc256C},
{NID_id_tc26_gost_3410_2012_256_paramSetD, OSSL_TLS_GROUP_ID_gc256D},
{NID_id_tc26_gost_3410_2012_512_paramSetA, OSSL_TLS_GROUP_ID_gc512A},
{NID_id_tc26_gost_3410_2012_512_paramSetB, OSSL_TLS_GROUP_ID_gc512B},
{NID_id_tc26_gost_3410_2012_512_paramSetC, OSSL_TLS_GROUP_ID_gc512C},
{NID_ffdhe2048, OSSL_TLS_GROUP_ID_ffdhe2048},
{NID_ffdhe3072, OSSL_TLS_GROUP_ID_ffdhe3072},
{NID_ffdhe4096, OSSL_TLS_GROUP_ID_ffdhe4096},
{NID_ffdhe6144, OSSL_TLS_GROUP_ID_ffdhe6144},
{NID_ffdhe8192, OSSL_TLS_GROUP_ID_ffdhe8192}
};
static const unsigned char ecformats_default[] = {
TLSEXT_ECPOINTFORMAT_uncompressed,
TLSEXT_ECPOINTFORMAT_ansiX962_compressed_prime,
TLSEXT_ECPOINTFORMAT_ansiX962_compressed_char2
};
static const uint16_t supported_groups_default[] = {
OSSL_TLS_GROUP_ID_x25519,
OSSL_TLS_GROUP_ID_secp256r1,
OSSL_TLS_GROUP_ID_x448,
OSSL_TLS_GROUP_ID_secp521r1,
OSSL_TLS_GROUP_ID_secp384r1,
OSSL_TLS_GROUP_ID_gc256A,
OSSL_TLS_GROUP_ID_gc256B,
OSSL_TLS_GROUP_ID_gc256C,
OSSL_TLS_GROUP_ID_gc256D,
OSSL_TLS_GROUP_ID_gc512A,
OSSL_TLS_GROUP_ID_gc512B,
OSSL_TLS_GROUP_ID_gc512C,
OSSL_TLS_GROUP_ID_ffdhe2048,
OSSL_TLS_GROUP_ID_ffdhe3072,
OSSL_TLS_GROUP_ID_ffdhe4096,
OSSL_TLS_GROUP_ID_ffdhe6144,
OSSL_TLS_GROUP_ID_ffdhe8192,
};
static const uint16_t suiteb_curves[] = {
OSSL_TLS_GROUP_ID_secp256r1,
OSSL_TLS_GROUP_ID_secp384r1,
};
struct provider_ctx_data_st {
SSL_CTX *ctx;
OSSL_PROVIDER *provider;
};
#define TLS_GROUP_LIST_MALLOC_BLOCK_SIZE 10
static OSSL_CALLBACK add_provider_groups;
static int add_provider_groups(const OSSL_PARAM params[], void *data)
{
struct provider_ctx_data_st *pgd = data;
SSL_CTX *ctx = pgd->ctx;
OSSL_PROVIDER *provider = pgd->provider;
const OSSL_PARAM *p;
TLS_GROUP_INFO *ginf = NULL;
EVP_KEYMGMT *keymgmt;
unsigned int gid;
unsigned int is_kem = 0;
int ret = 0;
if (ctx->group_list_max_len == ctx->group_list_len) {
TLS_GROUP_INFO *tmp = NULL;
if (ctx->group_list_max_len == 0)
tmp = OPENSSL_malloc(sizeof(TLS_GROUP_INFO)
* TLS_GROUP_LIST_MALLOC_BLOCK_SIZE);
else
tmp = OPENSSL_realloc(ctx->group_list,
(ctx->group_list_max_len
+ TLS_GROUP_LIST_MALLOC_BLOCK_SIZE)
* sizeof(TLS_GROUP_INFO));
if (tmp == NULL)
return 0;
ctx->group_list = tmp;
memset(tmp + ctx->group_list_max_len,
0,
sizeof(TLS_GROUP_INFO) * TLS_GROUP_LIST_MALLOC_BLOCK_SIZE);
ctx->group_list_max_len += TLS_GROUP_LIST_MALLOC_BLOCK_SIZE;
}
ginf = &ctx->group_list[ctx->group_list_len];
p = OSSL_PARAM_locate_const(params, OSSL_CAPABILITY_TLS_GROUP_NAME);
if (p == NULL || p->data_type != OSSL_PARAM_UTF8_STRING) {
ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_INVALID_ARGUMENT);
goto err;
}
ginf->tlsname = OPENSSL_strdup(p->data);
if (ginf->tlsname == NULL)
goto err;
p = OSSL_PARAM_locate_const(params, OSSL_CAPABILITY_TLS_GROUP_NAME_INTERNAL);
if (p == NULL || p->data_type != OSSL_PARAM_UTF8_STRING) {
ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_INVALID_ARGUMENT);
goto err;
}
ginf->realname = OPENSSL_strdup(p->data);
if (ginf->realname == NULL)
goto err;
p = OSSL_PARAM_locate_const(params, OSSL_CAPABILITY_TLS_GROUP_ID);
if (p == NULL || !OSSL_PARAM_get_uint(p, &gid) || gid > UINT16_MAX) {
ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_INVALID_ARGUMENT);
goto err;
}
ginf->group_id = (uint16_t)gid;
p = OSSL_PARAM_locate_const(params, OSSL_CAPABILITY_TLS_GROUP_ALG);
if (p == NULL || p->data_type != OSSL_PARAM_UTF8_STRING) {
ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_INVALID_ARGUMENT);
goto err;
}
ginf->algorithm = OPENSSL_strdup(p->data);
if (ginf->algorithm == NULL)
goto err;
p = OSSL_PARAM_locate_const(params, OSSL_CAPABILITY_TLS_GROUP_SECURITY_BITS);
if (p == NULL || !OSSL_PARAM_get_uint(p, &ginf->secbits)) {
ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_INVALID_ARGUMENT);
goto err;
}
p = OSSL_PARAM_locate_const(params, OSSL_CAPABILITY_TLS_GROUP_IS_KEM);
if (p != NULL && (!OSSL_PARAM_get_uint(p, &is_kem) || is_kem > 1)) {
ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_INVALID_ARGUMENT);
goto err;
}
ginf->is_kem = 1 & is_kem;
p = OSSL_PARAM_locate_const(params, OSSL_CAPABILITY_TLS_GROUP_MIN_TLS);
if (p == NULL || !OSSL_PARAM_get_int(p, &ginf->mintls)) {
ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_INVALID_ARGUMENT);
goto err;
}
p = OSSL_PARAM_locate_const(params, OSSL_CAPABILITY_TLS_GROUP_MAX_TLS);
if (p == NULL || !OSSL_PARAM_get_int(p, &ginf->maxtls)) {
ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_INVALID_ARGUMENT);
goto err;
}
p = OSSL_PARAM_locate_const(params, OSSL_CAPABILITY_TLS_GROUP_MIN_DTLS);
if (p == NULL || !OSSL_PARAM_get_int(p, &ginf->mindtls)) {
ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_INVALID_ARGUMENT);
goto err;
}
p = OSSL_PARAM_locate_const(params, OSSL_CAPABILITY_TLS_GROUP_MAX_DTLS);
if (p == NULL || !OSSL_PARAM_get_int(p, &ginf->maxdtls)) {
ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_INVALID_ARGUMENT);
goto err;
}
ret = 1;
ERR_set_mark();
keymgmt = EVP_KEYMGMT_fetch(ctx->libctx, ginf->algorithm, ctx->propq);
if (keymgmt != NULL) {
if (EVP_KEYMGMT_get0_provider(keymgmt) == provider) {
ctx->group_list_len++;
ginf = NULL;
}
EVP_KEYMGMT_free(keymgmt);
}
ERR_pop_to_mark();
err:
if (ginf != NULL) {
OPENSSL_free(ginf->tlsname);
OPENSSL_free(ginf->realname);
OPENSSL_free(ginf->algorithm);
ginf->algorithm = ginf->tlsname = ginf->realname = NULL;
}
return ret;
}
static int discover_provider_groups(OSSL_PROVIDER *provider, void *vctx)
{
struct provider_ctx_data_st pgd;
pgd.ctx = vctx;
pgd.provider = provider;
return OSSL_PROVIDER_get_capabilities(provider, "TLS-GROUP",
add_provider_groups, &pgd);
}
int ssl_load_groups(SSL_CTX *ctx)
{
size_t i, j, num_deflt_grps = 0;
uint16_t tmp_supp_groups[OSSL_NELEM(supported_groups_default)];
if (!OSSL_PROVIDER_do_all(ctx->libctx, discover_provider_groups, ctx))
return 0;
for (i = 0; i < OSSL_NELEM(supported_groups_default); i++) {
for (j = 0; j < ctx->group_list_len; j++) {
if (ctx->group_list[j].group_id == supported_groups_default[i]) {
tmp_supp_groups[num_deflt_grps++] = ctx->group_list[j].group_id;
break;
}
}
}
if (num_deflt_grps == 0)
return 1;
ctx->ext.supported_groups_default
= OPENSSL_malloc(sizeof(uint16_t) * num_deflt_grps);
if (ctx->ext.supported_groups_default == NULL)
return 0;
memcpy(ctx->ext.supported_groups_default,
tmp_supp_groups,
num_deflt_grps * sizeof(tmp_supp_groups[0]));
ctx->ext.supported_groups_default_len = num_deflt_grps;
return 1;
}
#define TLS_SIGALG_LIST_MALLOC_BLOCK_SIZE 10
static OSSL_CALLBACK add_provider_sigalgs;
static int add_provider_sigalgs(const OSSL_PARAM params[], void *data)
{
struct provider_ctx_data_st *pgd = data;
SSL_CTX *ctx = pgd->ctx;
OSSL_PROVIDER *provider = pgd->provider;
const OSSL_PARAM *p;
TLS_SIGALG_INFO *sinf = NULL;
EVP_KEYMGMT *keymgmt;
const char *keytype;
unsigned int code_point = 0;
int ret = 0;
if (ctx->sigalg_list_max_len == ctx->sigalg_list_len) {
TLS_SIGALG_INFO *tmp = NULL;
if (ctx->sigalg_list_max_len == 0)
tmp = OPENSSL_malloc(sizeof(TLS_SIGALG_INFO)
* TLS_SIGALG_LIST_MALLOC_BLOCK_SIZE);
else
tmp = OPENSSL_realloc(ctx->sigalg_list,
(ctx->sigalg_list_max_len
+ TLS_SIGALG_LIST_MALLOC_BLOCK_SIZE)
* sizeof(TLS_SIGALG_INFO));
if (tmp == NULL)
return 0;
ctx->sigalg_list = tmp;
memset(tmp + ctx->sigalg_list_max_len, 0,
sizeof(TLS_SIGALG_INFO) * TLS_SIGALG_LIST_MALLOC_BLOCK_SIZE);
ctx->sigalg_list_max_len += TLS_SIGALG_LIST_MALLOC_BLOCK_SIZE;
}
sinf = &ctx->sigalg_list[ctx->sigalg_list_len];
p = OSSL_PARAM_locate_const(params, OSSL_CAPABILITY_TLS_SIGALG_NAME);
if (p == NULL || p->data_type != OSSL_PARAM_UTF8_STRING) {
ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_INVALID_ARGUMENT);
goto err;
}
OPENSSL_free(sinf->sigalg_name);
sinf->sigalg_name = OPENSSL_strdup(p->data);
if (sinf->sigalg_name == NULL)
goto err;
p = OSSL_PARAM_locate_const(params, OSSL_CAPABILITY_TLS_SIGALG_IANA_NAME);
if (p == NULL || p->data_type != OSSL_PARAM_UTF8_STRING) {
ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_INVALID_ARGUMENT);
goto err;
}
OPENSSL_free(sinf->name);
sinf->name = OPENSSL_strdup(p->data);
if (sinf->name == NULL)
goto err;
p = OSSL_PARAM_locate_const(params,
OSSL_CAPABILITY_TLS_SIGALG_CODE_POINT);
if (p == NULL
|| !OSSL_PARAM_get_uint(p, &code_point)
|| code_point > UINT16_MAX) {
ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_INVALID_ARGUMENT);
goto err;
}
sinf->code_point = (uint16_t)code_point;
p = OSSL_PARAM_locate_const(params,
OSSL_CAPABILITY_TLS_SIGALG_SECURITY_BITS);
if (p == NULL || !OSSL_PARAM_get_uint(p, &sinf->secbits)) {
ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_INVALID_ARGUMENT);
goto err;
}
p = OSSL_PARAM_locate_const(params, OSSL_CAPABILITY_TLS_SIGALG_OID);
if (p == NULL) {
sinf->sigalg_oid = NULL;
} else if (p->data_type != OSSL_PARAM_UTF8_STRING) {
goto err;
} else {
OPENSSL_free(sinf->sigalg_oid);
sinf->sigalg_oid = OPENSSL_strdup(p->data);
if (sinf->sigalg_oid == NULL)
goto err;
}
p = OSSL_PARAM_locate_const(params, OSSL_CAPABILITY_TLS_SIGALG_SIG_NAME);
if (p == NULL) {
sinf->sig_name = NULL;
} else if (p->data_type != OSSL_PARAM_UTF8_STRING) {
goto err;
} else {
OPENSSL_free(sinf->sig_name);
sinf->sig_name = OPENSSL_strdup(p->data);
if (sinf->sig_name == NULL)
goto err;
}
p = OSSL_PARAM_locate_const(params, OSSL_CAPABILITY_TLS_SIGALG_SIG_OID);
if (p == NULL) {
sinf->sig_oid = NULL;
} else if (p->data_type != OSSL_PARAM_UTF8_STRING) {
goto err;
} else {
OPENSSL_free(sinf->sig_oid);
sinf->sig_oid = OPENSSL_strdup(p->data);
if (sinf->sig_oid == NULL)
goto err;
}
p = OSSL_PARAM_locate_const(params, OSSL_CAPABILITY_TLS_SIGALG_HASH_NAME);
if (p == NULL) {
sinf->hash_name = NULL;
} else if (p->data_type != OSSL_PARAM_UTF8_STRING) {
goto err;
} else {
OPENSSL_free(sinf->hash_name);
sinf->hash_name = OPENSSL_strdup(p->data);
if (sinf->hash_name == NULL)
goto err;
}
p = OSSL_PARAM_locate_const(params, OSSL_CAPABILITY_TLS_SIGALG_HASH_OID);
if (p == NULL) {
sinf->hash_oid = NULL;
} else if (p->data_type != OSSL_PARAM_UTF8_STRING) {
goto err;
} else {
OPENSSL_free(sinf->hash_oid);
sinf->hash_oid = OPENSSL_strdup(p->data);
if (sinf->hash_oid == NULL)
goto err;
}
p = OSSL_PARAM_locate_const(params, OSSL_CAPABILITY_TLS_SIGALG_KEYTYPE);
if (p == NULL) {
sinf->keytype = NULL;
} else if (p->data_type != OSSL_PARAM_UTF8_STRING) {
goto err;
} else {
OPENSSL_free(sinf->keytype);
sinf->keytype = OPENSSL_strdup(p->data);
if (sinf->keytype == NULL)
goto err;
}
p = OSSL_PARAM_locate_const(params, OSSL_CAPABILITY_TLS_SIGALG_KEYTYPE_OID);
if (p == NULL) {
sinf->keytype_oid = NULL;
} else if (p->data_type != OSSL_PARAM_UTF8_STRING) {
goto err;
} else {
OPENSSL_free(sinf->keytype_oid);
sinf->keytype_oid = OPENSSL_strdup(p->data);
if (sinf->keytype_oid == NULL)
goto err;
}
p = OSSL_PARAM_locate_const(params, OSSL_CAPABILITY_TLS_SIGALG_MIN_TLS);
if (p == NULL || !OSSL_PARAM_get_int(p, &sinf->mintls)) {
ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_INVALID_ARGUMENT);
goto err;
}
if ((sinf->mintls != 0) && (sinf->mintls != -1) &&
((sinf->mintls < TLS1_3_VERSION))) {
ret = 1;
goto err;
}
p = OSSL_PARAM_locate_const(params, OSSL_CAPABILITY_TLS_SIGALG_MAX_TLS);
if (p == NULL || !OSSL_PARAM_get_int(p, &sinf->maxtls)) {
ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_INVALID_ARGUMENT);
goto err;
}
if ((sinf->maxtls != 0) && (sinf->maxtls != -1) &&
((sinf->maxtls < sinf->mintls))) {
ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_INVALID_ARGUMENT);
goto err;
}
if ((sinf->maxtls != 0) && (sinf->maxtls != -1) &&
((sinf->maxtls < TLS1_3_VERSION))) {
ret = 1;
goto err;
}
ret = 1;
ERR_set_mark();
keytype = (sinf->keytype != NULL
? sinf->keytype
: (sinf->sig_name != NULL
? sinf->sig_name
: sinf->sigalg_name));
keymgmt = EVP_KEYMGMT_fetch(ctx->libctx, keytype, ctx->propq);
if (keymgmt != NULL) {
if (EVP_KEYMGMT_get0_provider(keymgmt) == provider) {
OBJ_create(sinf->sigalg_oid, sinf->sigalg_name, NULL);
if ((OBJ_txt2nid(sinf->sigalg_name) == NID_undef) ||
(OBJ_nid2obj(OBJ_txt2nid(sinf->sigalg_name)) == NULL)) {
ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_INVALID_ARGUMENT);
goto err;
}
if (sinf->sig_name != NULL)
OBJ_create(sinf->sig_oid, sinf->sig_name, NULL);
if (sinf->keytype != NULL)
OBJ_create(sinf->keytype_oid, sinf->keytype, NULL);
if (sinf->hash_name != NULL)
OBJ_create(sinf->hash_oid, sinf->hash_name, NULL);
OBJ_add_sigid(OBJ_txt2nid(sinf->sigalg_name),
(sinf->hash_name != NULL
? OBJ_txt2nid(sinf->hash_name)
: NID_undef),
OBJ_txt2nid(keytype));
ctx->sigalg_list_len++;
sinf = NULL;
}
EVP_KEYMGMT_free(keymgmt);
}
ERR_pop_to_mark();
err:
if (sinf != NULL) {
OPENSSL_free(sinf->name);
sinf->name = NULL;
OPENSSL_free(sinf->sigalg_name);
sinf->sigalg_name = NULL;
OPENSSL_free(sinf->sigalg_oid);
sinf->sigalg_oid = NULL;
OPENSSL_free(sinf->sig_name);
sinf->sig_name = NULL;
OPENSSL_free(sinf->sig_oid);
sinf->sig_oid = NULL;
OPENSSL_free(sinf->hash_name);
sinf->hash_name = NULL;
OPENSSL_free(sinf->hash_oid);
sinf->hash_oid = NULL;
OPENSSL_free(sinf->keytype);
sinf->keytype = NULL;
OPENSSL_free(sinf->keytype_oid);
sinf->keytype_oid = NULL;
}
return ret;
}
static int discover_provider_sigalgs(OSSL_PROVIDER *provider, void *vctx)
{
struct provider_ctx_data_st pgd;
pgd.ctx = vctx;
pgd.provider = provider;
OSSL_PROVIDER_get_capabilities(provider, "TLS-SIGALG",
add_provider_sigalgs, &pgd);
return 1;
}
int ssl_load_sigalgs(SSL_CTX *ctx)
{
size_t i;
SSL_CERT_LOOKUP lu;
if (!OSSL_PROVIDER_do_all(ctx->libctx, discover_provider_sigalgs, ctx))
return 0;
if (ctx->sigalg_list_len > 0) {
OPENSSL_free(ctx->ssl_cert_info);
ctx->ssl_cert_info = OPENSSL_zalloc(sizeof(lu) * ctx->sigalg_list_len);
if (ctx->ssl_cert_info == NULL)
return 0;
for(i = 0; i < ctx->sigalg_list_len; i++) {
ctx->ssl_cert_info[i].nid = OBJ_txt2nid(ctx->sigalg_list[i].sigalg_name);
ctx->ssl_cert_info[i].amask = SSL_aANY;
}
}
return 1;
}
static uint16_t tls1_group_name2id(SSL_CTX *ctx, const char *name)
{
size_t i;
for (i = 0; i < ctx->group_list_len; i++) {
if (strcmp(ctx->group_list[i].tlsname, name) == 0
|| strcmp(ctx->group_list[i].realname, name) == 0)
return ctx->group_list[i].group_id;
}
return 0;
}
const TLS_GROUP_INFO *tls1_group_id_lookup(SSL_CTX *ctx, uint16_t group_id)
{
size_t i;
for (i = 0; i < ctx->group_list_len; i++) {
if (ctx->group_list[i].group_id == group_id)
return &ctx->group_list[i];
}
return NULL;
}
const char *tls1_group_id2name(SSL_CTX *ctx, uint16_t group_id)
{
const TLS_GROUP_INFO *tls_group_info = tls1_group_id_lookup(ctx, group_id);
if (tls_group_info == NULL)
return NULL;
return tls_group_info->tlsname;
}
int tls1_group_id2nid(uint16_t group_id, int include_unknown)
{
size_t i;
if (group_id == 0)
return NID_undef;
for (i = 0; i < OSSL_NELEM(nid_to_group); i++)
{
if (nid_to_group[i].group_id == group_id)
return nid_to_group[i].nid;
}
if (!include_unknown)
return NID_undef;
return TLSEXT_nid_unknown | (int)group_id;
}
uint16_t tls1_nid2group_id(int nid)
{
size_t i;
for (i = 0; i < OSSL_NELEM(nid_to_group); i++)
{
if (nid_to_group[i].nid == nid)
return nid_to_group[i].group_id;
}
return 0;
}
void tls1_get_supported_groups(SSL_CONNECTION *s, const uint16_t **pgroups,
size_t *pgroupslen)
{
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
switch (tls1_suiteb(s)) {
case SSL_CERT_FLAG_SUITEB_128_LOS:
*pgroups = suiteb_curves;
*pgroupslen = OSSL_NELEM(suiteb_curves);
break;
case SSL_CERT_FLAG_SUITEB_128_LOS_ONLY:
*pgroups = suiteb_curves;
*pgroupslen = 1;
break;
case SSL_CERT_FLAG_SUITEB_192_LOS:
*pgroups = suiteb_curves + 1;
*pgroupslen = 1;
break;
default:
if (s->ext.supportedgroups == NULL) {
*pgroups = sctx->ext.supported_groups_default;
*pgroupslen = sctx->ext.supported_groups_default_len;
} else {
*pgroups = s->ext.supportedgroups;
*pgroupslen = s->ext.supportedgroups_len;
}
break;
}
}
int tls_valid_group(SSL_CONNECTION *s, uint16_t group_id,
int minversion, int maxversion,
int isec, int *okfortls13)
{
const TLS_GROUP_INFO *ginfo = tls1_group_id_lookup(SSL_CONNECTION_GET_CTX(s),
group_id);
int ret;
int group_minversion, group_maxversion;
if (okfortls13 != NULL)
*okfortls13 = 0;
if (ginfo == NULL)
return 0;
group_minversion = SSL_CONNECTION_IS_DTLS(s) ? ginfo->mindtls : ginfo->mintls;
group_maxversion = SSL_CONNECTION_IS_DTLS(s) ? ginfo->maxdtls : ginfo->maxtls;
if (group_minversion < 0 || group_maxversion < 0)
return 0;
if (group_maxversion == 0)
ret = 1;
else
ret = (ssl_version_cmp(s, minversion, group_maxversion) <= 0);
if (group_minversion > 0)
ret &= (ssl_version_cmp(s, maxversion, group_minversion) >= 0);
if (!SSL_CONNECTION_IS_DTLS(s)) {
if (ret && okfortls13 != NULL && maxversion == TLS1_3_VERSION)
*okfortls13 = (group_maxversion == 0)
|| (group_maxversion >= TLS1_3_VERSION);
}
ret &= !isec
|| strcmp(ginfo->algorithm, "EC") == 0
|| strcmp(ginfo->algorithm, "X25519") == 0
|| strcmp(ginfo->algorithm, "X448") == 0;
return ret;
}
int tls_group_allowed(SSL_CONNECTION *s, uint16_t group, int op)
{
const TLS_GROUP_INFO *ginfo = tls1_group_id_lookup(SSL_CONNECTION_GET_CTX(s),
group);
unsigned char gtmp[2];
if (ginfo == NULL)
return 0;
gtmp[0] = group >> 8;
gtmp[1] = group & 0xff;
return ssl_security(s, op, ginfo->secbits,
tls1_group_id2nid(ginfo->group_id, 0), (void *)gtmp);
}
static int tls1_in_list(uint16_t id, const uint16_t *list, size_t listlen)
{
size_t i;
for (i = 0; i < listlen; i++)
if (list[i] == id)
return 1;
return 0;
}
uint16_t tls1_shared_group(SSL_CONNECTION *s, int nmatch)
{
const uint16_t *pref, *supp;
size_t num_pref, num_supp, i;
int k;
SSL_CTX *ctx = SSL_CONNECTION_GET_CTX(s);
if (s->server == 0)
return 0;
if (nmatch == -2) {
if (tls1_suiteb(s)) {
unsigned long cid = s->s3.tmp.new_cipher->id;
if (cid == TLS1_CK_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256)
return OSSL_TLS_GROUP_ID_secp256r1;
if (cid == TLS1_CK_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384)
return OSSL_TLS_GROUP_ID_secp384r1;
return 0;
}
nmatch = 0;
}
if (s->options & SSL_OP_CIPHER_SERVER_PREFERENCE) {
tls1_get_supported_groups(s, &pref, &num_pref);
tls1_get_peer_groups(s, &supp, &num_supp);
} else {
tls1_get_peer_groups(s, &pref, &num_pref);
tls1_get_supported_groups(s, &supp, &num_supp);
}
for (k = 0, i = 0; i < num_pref; i++) {
uint16_t id = pref[i];
const TLS_GROUP_INFO *inf;
int minversion, maxversion;
if (!tls1_in_list(id, supp, num_supp)
|| !tls_group_allowed(s, id, SSL_SECOP_CURVE_SHARED))
continue;
inf = tls1_group_id_lookup(ctx, id);
if (!ossl_assert(inf != NULL))
return 0;
minversion = SSL_CONNECTION_IS_DTLS(s)
? inf->mindtls : inf->mintls;
maxversion = SSL_CONNECTION_IS_DTLS(s)
? inf->maxdtls : inf->maxtls;
if (maxversion == -1)
continue;
if ((minversion != 0 && ssl_version_cmp(s, s->version, minversion) < 0)
|| (maxversion != 0
&& ssl_version_cmp(s, s->version, maxversion) > 0))
continue;
if (nmatch == k)
return id;
k++;
}
if (nmatch == -1)
return k;
return 0;
}
int tls1_set_groups(uint16_t **pext, size_t *pextlen,
int *groups, size_t ngroups)
{
uint16_t *glist;
size_t i;
unsigned long *dup_list = NULL;
unsigned long dup_list_egrp = 0;
unsigned long dup_list_dhgrp = 0;
if (ngroups == 0) {
ERR_raise(ERR_LIB_SSL, SSL_R_BAD_LENGTH);
return 0;
}
if ((glist = OPENSSL_malloc(ngroups * sizeof(*glist))) == NULL)
return 0;
for (i = 0; i < ngroups; i++) {
unsigned long idmask;
uint16_t id;
id = tls1_nid2group_id(groups[i]);
if ((id & 0x00FF) >= (sizeof(unsigned long) * 8))
goto err;
idmask = 1L << (id & 0x00FF);
dup_list = (id < 0x100) ? &dup_list_egrp : &dup_list_dhgrp;
if (!id || ((*dup_list) & idmask))
goto err;
*dup_list |= idmask;
glist[i] = id;
}
OPENSSL_free(*pext);
*pext = glist;
*pextlen = ngroups;
return 1;
err:
OPENSSL_free(glist);
return 0;
}
# define GROUPLIST_INCREMENT 40
# define GROUP_NAME_BUFFER_LENGTH 64
typedef struct {
SSL_CTX *ctx;
size_t gidcnt;
size_t gidmax;
uint16_t *gid_arr;
} gid_cb_st;
static int gid_cb(const char *elem, int len, void *arg)
{
gid_cb_st *garg = arg;
size_t i;
uint16_t gid = 0;
char etmp[GROUP_NAME_BUFFER_LENGTH];
int ignore_unknown = 0;
if (elem == NULL)
return 0;
if (elem[0] == '?') {
ignore_unknown = 1;
++elem;
--len;
}
if (garg->gidcnt == garg->gidmax) {
uint16_t *tmp =
OPENSSL_realloc(garg->gid_arr,
(garg->gidmax + GROUPLIST_INCREMENT) * sizeof(*garg->gid_arr));
if (tmp == NULL)
return 0;
garg->gidmax += GROUPLIST_INCREMENT;
garg->gid_arr = tmp;
}
if (len > (int)(sizeof(etmp) - 1))
return 0;
memcpy(etmp, elem, len);
etmp[len] = 0;
gid = tls1_group_name2id(garg->ctx, etmp);
if (gid == 0) {
return ignore_unknown;
}
for (i = 0; i < garg->gidcnt; i++)
if (garg->gid_arr[i] == gid) {
return 1;
}
garg->gid_arr[garg->gidcnt++] = gid;
return 1;
}
int tls1_set_groups_list(SSL_CTX *ctx, uint16_t **pext, size_t *pextlen,
const char *str)
{
gid_cb_st gcb;
uint16_t *tmparr;
int ret = 0;
gcb.gidcnt = 0;
gcb.gidmax = GROUPLIST_INCREMENT;
gcb.gid_arr = OPENSSL_malloc(gcb.gidmax * sizeof(*gcb.gid_arr));
if (gcb.gid_arr == NULL)
return 0;
gcb.ctx = ctx;
if (!CONF_parse_list(str, ':', 1, gid_cb, &gcb))
goto end;
if (gcb.gidcnt == 0) {
ERR_raise_data(ERR_LIB_SSL, ERR_R_PASSED_INVALID_ARGUMENT,
"No valid groups in '%s'", str);
goto end;
}
if (pext == NULL) {
ret = 1;
goto end;
}
tmparr = OPENSSL_memdup(gcb.gid_arr, gcb.gidcnt * sizeof(*tmparr));
if (tmparr == NULL)
goto end;
OPENSSL_free(*pext);
*pext = tmparr;
*pextlen = gcb.gidcnt;
ret = 1;
end:
OPENSSL_free(gcb.gid_arr);
return ret;
}
int tls1_check_group_id(SSL_CONNECTION *s, uint16_t group_id,
int check_own_groups)
{
const uint16_t *groups;
size_t groups_len;
if (group_id == 0)
return 0;
if (tls1_suiteb(s) && s->s3.tmp.new_cipher != NULL) {
unsigned long cid = s->s3.tmp.new_cipher->id;
if (cid == TLS1_CK_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256) {
if (group_id != OSSL_TLS_GROUP_ID_secp256r1)
return 0;
} else if (cid == TLS1_CK_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384) {
if (group_id != OSSL_TLS_GROUP_ID_secp384r1)
return 0;
} else {
return 0;
}
}
if (check_own_groups) {
tls1_get_supported_groups(s, &groups, &groups_len);
if (!tls1_in_list(group_id, groups, groups_len))
return 0;
}
if (!tls_group_allowed(s, group_id, SSL_SECOP_CURVE_CHECK))
return 0;
if (!s->server)
return 1;
tls1_get_peer_groups(s, &groups, &groups_len);
if (groups_len == 0)
return 1;
return tls1_in_list(group_id, groups, groups_len);
}
void tls1_get_formatlist(SSL_CONNECTION *s, const unsigned char **pformats,
size_t *num_formats)
{
if (s->ext.ecpointformats) {
*pformats = s->ext.ecpointformats;
*num_formats = s->ext.ecpointformats_len;
} else {
*pformats = ecformats_default;
if (tls1_suiteb(s))
*num_formats = sizeof(ecformats_default) - 1;
else
*num_formats = sizeof(ecformats_default);
}
}
static int tls1_check_pkey_comp(SSL_CONNECTION *s, EVP_PKEY *pkey)
{
unsigned char comp_id;
size_t i;
int point_conv;
if (!EVP_PKEY_is_a(pkey, "EC"))
return 1;
point_conv = EVP_PKEY_get_ec_point_conv_form(pkey);
if (point_conv == 0)
return 0;
if (point_conv == POINT_CONVERSION_UNCOMPRESSED) {
comp_id = TLSEXT_ECPOINTFORMAT_uncompressed;
} else if (SSL_CONNECTION_IS_TLS13(s)) {
return 1;
} else {
int field_type = EVP_PKEY_get_field_type(pkey);
if (field_type == NID_X9_62_prime_field)
comp_id = TLSEXT_ECPOINTFORMAT_ansiX962_compressed_prime;
else if (field_type == NID_X9_62_characteristic_two_field)
comp_id = TLSEXT_ECPOINTFORMAT_ansiX962_compressed_char2;
else
return 0;
}
if (s->ext.peer_ecpointformats == NULL)
return 1;
for (i = 0; i < s->ext.peer_ecpointformats_len; i++) {
if (s->ext.peer_ecpointformats[i] == comp_id)
return 1;
}
return 0;
}
static uint16_t tls1_get_group_id(EVP_PKEY *pkey)
{
int curve_nid = ssl_get_EC_curve_nid(pkey);
if (curve_nid == NID_undef)
return 0;
return tls1_nid2group_id(curve_nid);
}
static int tls1_check_cert_param(SSL_CONNECTION *s, X509 *x, int check_ee_md)
{
uint16_t group_id;
EVP_PKEY *pkey;
pkey = X509_get0_pubkey(x);
if (pkey == NULL)
return 0;
if (!EVP_PKEY_is_a(pkey, "EC"))
return 1;
if (!tls1_check_pkey_comp(s, pkey))
return 0;
group_id = tls1_get_group_id(pkey);
if (!tls1_check_group_id(s, group_id, !s->server))
return 0;
if (check_ee_md && tls1_suiteb(s)) {
int check_md;
size_t i;
if (group_id == OSSL_TLS_GROUP_ID_secp256r1)
check_md = NID_ecdsa_with_SHA256;
else if (group_id == OSSL_TLS_GROUP_ID_secp384r1)
check_md = NID_ecdsa_with_SHA384;
else
return 0;
for (i = 0; i < s->shared_sigalgslen; i++) {
if (check_md == s->shared_sigalgs[i]->sigandhash)
return 1;
}
return 0;
}
return 1;
}
int tls1_check_ec_tmp_key(SSL_CONNECTION *s, unsigned long cid)
{
if (!tls1_suiteb(s))
return tls1_shared_group(s, 0) != 0;
if (cid == TLS1_CK_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256)
return tls1_check_group_id(s, OSSL_TLS_GROUP_ID_secp256r1, 1);
if (cid == TLS1_CK_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384)
return tls1_check_group_id(s, OSSL_TLS_GROUP_ID_secp384r1, 1);
return 0;
}
static const uint16_t tls12_sigalgs[] = {
TLSEXT_SIGALG_ecdsa_secp256r1_sha256,
TLSEXT_SIGALG_ecdsa_secp384r1_sha384,
TLSEXT_SIGALG_ecdsa_secp521r1_sha512,
TLSEXT_SIGALG_ed25519,
TLSEXT_SIGALG_ed448,
TLSEXT_SIGALG_ecdsa_brainpoolP256r1_sha256,
TLSEXT_SIGALG_ecdsa_brainpoolP384r1_sha384,
TLSEXT_SIGALG_ecdsa_brainpoolP512r1_sha512,
TLSEXT_SIGALG_rsa_pss_pss_sha256,
TLSEXT_SIGALG_rsa_pss_pss_sha384,
TLSEXT_SIGALG_rsa_pss_pss_sha512,
TLSEXT_SIGALG_rsa_pss_rsae_sha256,
TLSEXT_SIGALG_rsa_pss_rsae_sha384,
TLSEXT_SIGALG_rsa_pss_rsae_sha512,
TLSEXT_SIGALG_rsa_pkcs1_sha256,
TLSEXT_SIGALG_rsa_pkcs1_sha384,
TLSEXT_SIGALG_rsa_pkcs1_sha512,
TLSEXT_SIGALG_ecdsa_sha224,
TLSEXT_SIGALG_ecdsa_sha1,
TLSEXT_SIGALG_rsa_pkcs1_sha224,
TLSEXT_SIGALG_rsa_pkcs1_sha1,
TLSEXT_SIGALG_dsa_sha224,
TLSEXT_SIGALG_dsa_sha1,
TLSEXT_SIGALG_dsa_sha256,
TLSEXT_SIGALG_dsa_sha384,
TLSEXT_SIGALG_dsa_sha512,
#ifndef OPENSSL_NO_GOST
TLSEXT_SIGALG_gostr34102012_256_intrinsic,
TLSEXT_SIGALG_gostr34102012_512_intrinsic,
TLSEXT_SIGALG_gostr34102012_256_gostr34112012_256,
TLSEXT_SIGALG_gostr34102012_512_gostr34112012_512,
TLSEXT_SIGALG_gostr34102001_gostr3411,
#endif
};
static const uint16_t suiteb_sigalgs[] = {
TLSEXT_SIGALG_ecdsa_secp256r1_sha256,
TLSEXT_SIGALG_ecdsa_secp384r1_sha384
};
static const SIGALG_LOOKUP sigalg_lookup_tbl[] = {
{"ecdsa_secp256r1_sha256", TLSEXT_SIGALG_ecdsa_secp256r1_sha256,
NID_sha256, SSL_MD_SHA256_IDX, EVP_PKEY_EC, SSL_PKEY_ECC,
NID_ecdsa_with_SHA256, NID_X9_62_prime256v1, 1},
{"ecdsa_secp384r1_sha384", TLSEXT_SIGALG_ecdsa_secp384r1_sha384,
NID_sha384, SSL_MD_SHA384_IDX, EVP_PKEY_EC, SSL_PKEY_ECC,
NID_ecdsa_with_SHA384, NID_secp384r1, 1},
{"ecdsa_secp521r1_sha512", TLSEXT_SIGALG_ecdsa_secp521r1_sha512,
NID_sha512, SSL_MD_SHA512_IDX, EVP_PKEY_EC, SSL_PKEY_ECC,
NID_ecdsa_with_SHA512, NID_secp521r1, 1},
{"ed25519", TLSEXT_SIGALG_ed25519,
NID_undef, -1, EVP_PKEY_ED25519, SSL_PKEY_ED25519,
NID_undef, NID_undef, 1},
{"ed448", TLSEXT_SIGALG_ed448,
NID_undef, -1, EVP_PKEY_ED448, SSL_PKEY_ED448,
NID_undef, NID_undef, 1},
{NULL, TLSEXT_SIGALG_ecdsa_sha224,
NID_sha224, SSL_MD_SHA224_IDX, EVP_PKEY_EC, SSL_PKEY_ECC,
NID_ecdsa_with_SHA224, NID_undef, 1},
{NULL, TLSEXT_SIGALG_ecdsa_sha1,
NID_sha1, SSL_MD_SHA1_IDX, EVP_PKEY_EC, SSL_PKEY_ECC,
NID_ecdsa_with_SHA1, NID_undef, 1},
{"ecdsa_brainpoolP256r1_sha256", TLSEXT_SIGALG_ecdsa_brainpoolP256r1_sha256,
NID_sha256, SSL_MD_SHA256_IDX, EVP_PKEY_EC, SSL_PKEY_ECC,
NID_ecdsa_with_SHA256, NID_brainpoolP256r1, 1},
{"ecdsa_brainpoolP384r1_sha384", TLSEXT_SIGALG_ecdsa_brainpoolP384r1_sha384,
NID_sha384, SSL_MD_SHA384_IDX, EVP_PKEY_EC, SSL_PKEY_ECC,
NID_ecdsa_with_SHA384, NID_brainpoolP384r1, 1},
{"ecdsa_brainpoolP512r1_sha512", TLSEXT_SIGALG_ecdsa_brainpoolP512r1_sha512,
NID_sha512, SSL_MD_SHA512_IDX, EVP_PKEY_EC, SSL_PKEY_ECC,
NID_ecdsa_with_SHA512, NID_brainpoolP512r1, 1},
{"rsa_pss_rsae_sha256", TLSEXT_SIGALG_rsa_pss_rsae_sha256,
NID_sha256, SSL_MD_SHA256_IDX, EVP_PKEY_RSA_PSS, SSL_PKEY_RSA,
NID_undef, NID_undef, 1},
{"rsa_pss_rsae_sha384", TLSEXT_SIGALG_rsa_pss_rsae_sha384,
NID_sha384, SSL_MD_SHA384_IDX, EVP_PKEY_RSA_PSS, SSL_PKEY_RSA,
NID_undef, NID_undef, 1},
{"rsa_pss_rsae_sha512", TLSEXT_SIGALG_rsa_pss_rsae_sha512,
NID_sha512, SSL_MD_SHA512_IDX, EVP_PKEY_RSA_PSS, SSL_PKEY_RSA,
NID_undef, NID_undef, 1},
{"rsa_pss_pss_sha256", TLSEXT_SIGALG_rsa_pss_pss_sha256,
NID_sha256, SSL_MD_SHA256_IDX, EVP_PKEY_RSA_PSS, SSL_PKEY_RSA_PSS_SIGN,
NID_undef, NID_undef, 1},
{"rsa_pss_pss_sha384", TLSEXT_SIGALG_rsa_pss_pss_sha384,
NID_sha384, SSL_MD_SHA384_IDX, EVP_PKEY_RSA_PSS, SSL_PKEY_RSA_PSS_SIGN,
NID_undef, NID_undef, 1},
{"rsa_pss_pss_sha512", TLSEXT_SIGALG_rsa_pss_pss_sha512,
NID_sha512, SSL_MD_SHA512_IDX, EVP_PKEY_RSA_PSS, SSL_PKEY_RSA_PSS_SIGN,
NID_undef, NID_undef, 1},
{"rsa_pkcs1_sha256", TLSEXT_SIGALG_rsa_pkcs1_sha256,
NID_sha256, SSL_MD_SHA256_IDX, EVP_PKEY_RSA, SSL_PKEY_RSA,
NID_sha256WithRSAEncryption, NID_undef, 1},
{"rsa_pkcs1_sha384", TLSEXT_SIGALG_rsa_pkcs1_sha384,
NID_sha384, SSL_MD_SHA384_IDX, EVP_PKEY_RSA, SSL_PKEY_RSA,
NID_sha384WithRSAEncryption, NID_undef, 1},
{"rsa_pkcs1_sha512", TLSEXT_SIGALG_rsa_pkcs1_sha512,
NID_sha512, SSL_MD_SHA512_IDX, EVP_PKEY_RSA, SSL_PKEY_RSA,
NID_sha512WithRSAEncryption, NID_undef, 1},
{"rsa_pkcs1_sha224", TLSEXT_SIGALG_rsa_pkcs1_sha224,
NID_sha224, SSL_MD_SHA224_IDX, EVP_PKEY_RSA, SSL_PKEY_RSA,
NID_sha224WithRSAEncryption, NID_undef, 1},
{"rsa_pkcs1_sha1", TLSEXT_SIGALG_rsa_pkcs1_sha1,
NID_sha1, SSL_MD_SHA1_IDX, EVP_PKEY_RSA, SSL_PKEY_RSA,
NID_sha1WithRSAEncryption, NID_undef, 1},
{NULL, TLSEXT_SIGALG_dsa_sha256,
NID_sha256, SSL_MD_SHA256_IDX, EVP_PKEY_DSA, SSL_PKEY_DSA_SIGN,
NID_dsa_with_SHA256, NID_undef, 1},
{NULL, TLSEXT_SIGALG_dsa_sha384,
NID_sha384, SSL_MD_SHA384_IDX, EVP_PKEY_DSA, SSL_PKEY_DSA_SIGN,
NID_undef, NID_undef, 1},
{NULL, TLSEXT_SIGALG_dsa_sha512,
NID_sha512, SSL_MD_SHA512_IDX, EVP_PKEY_DSA, SSL_PKEY_DSA_SIGN,
NID_undef, NID_undef, 1},
{NULL, TLSEXT_SIGALG_dsa_sha224,
NID_sha224, SSL_MD_SHA224_IDX, EVP_PKEY_DSA, SSL_PKEY_DSA_SIGN,
NID_undef, NID_undef, 1},
{NULL, TLSEXT_SIGALG_dsa_sha1,
NID_sha1, SSL_MD_SHA1_IDX, EVP_PKEY_DSA, SSL_PKEY_DSA_SIGN,
NID_dsaWithSHA1, NID_undef, 1},
#ifndef OPENSSL_NO_GOST
{NULL, TLSEXT_SIGALG_gostr34102012_256_intrinsic,
NID_id_GostR3411_2012_256, SSL_MD_GOST12_256_IDX,
NID_id_GostR3410_2012_256, SSL_PKEY_GOST12_256,
NID_undef, NID_undef, 1},
{NULL, TLSEXT_SIGALG_gostr34102012_512_intrinsic,
NID_id_GostR3411_2012_512, SSL_MD_GOST12_512_IDX,
NID_id_GostR3410_2012_512, SSL_PKEY_GOST12_512,
NID_undef, NID_undef, 1},
{NULL, TLSEXT_SIGALG_gostr34102012_256_gostr34112012_256,
NID_id_GostR3411_2012_256, SSL_MD_GOST12_256_IDX,
NID_id_GostR3410_2012_256, SSL_PKEY_GOST12_256,
NID_undef, NID_undef, 1},
{NULL, TLSEXT_SIGALG_gostr34102012_512_gostr34112012_512,
NID_id_GostR3411_2012_512, SSL_MD_GOST12_512_IDX,
NID_id_GostR3410_2012_512, SSL_PKEY_GOST12_512,
NID_undef, NID_undef, 1},
{NULL, TLSEXT_SIGALG_gostr34102001_gostr3411,
NID_id_GostR3411_94, SSL_MD_GOST94_IDX,
NID_id_GostR3410_2001, SSL_PKEY_GOST01,
NID_undef, NID_undef, 1}
#endif
};
static const SIGALG_LOOKUP legacy_rsa_sigalg = {
"rsa_pkcs1_md5_sha1", 0,
NID_md5_sha1, SSL_MD_MD5_SHA1_IDX,
EVP_PKEY_RSA, SSL_PKEY_RSA,
NID_undef, NID_undef, 1
};
static const uint16_t tls_default_sigalg[] = {
TLSEXT_SIGALG_rsa_pkcs1_sha1,
0,
TLSEXT_SIGALG_dsa_sha1,
TLSEXT_SIGALG_ecdsa_sha1,
TLSEXT_SIGALG_gostr34102001_gostr3411,
TLSEXT_SIGALG_gostr34102012_256_intrinsic,
TLSEXT_SIGALG_gostr34102012_512_intrinsic,
0,
0,
};
int ssl_setup_sigalgs(SSL_CTX *ctx)
{
size_t i, cache_idx, sigalgs_len;
const SIGALG_LOOKUP *lu;
SIGALG_LOOKUP *cache = NULL;
uint16_t *tls12_sigalgs_list = NULL;
EVP_PKEY *tmpkey = EVP_PKEY_new();
int ret = 0;
if (ctx == NULL)
goto err;
sigalgs_len = OSSL_NELEM(sigalg_lookup_tbl) + ctx->sigalg_list_len;
cache = OPENSSL_malloc(sizeof(const SIGALG_LOOKUP) * sigalgs_len);
if (cache == NULL || tmpkey == NULL)
goto err;
tls12_sigalgs_list = OPENSSL_malloc(sizeof(uint16_t) * sigalgs_len);
if (tls12_sigalgs_list == NULL)
goto err;
ERR_set_mark();
for (i = 0, lu = sigalg_lookup_tbl;
i < OSSL_NELEM(sigalg_lookup_tbl); lu++, i++) {
EVP_PKEY_CTX *pctx;
cache[i] = *lu;
tls12_sigalgs_list[i] = tls12_sigalgs[i];
if (lu->hash != NID_undef
&& ctx->ssl_digest_methods[lu->hash_idx] == NULL) {
cache[i].enabled = 0;
continue;
}
if (!EVP_PKEY_set_type(tmpkey, lu->sig)) {
cache[i].enabled = 0;
continue;
}
pctx = EVP_PKEY_CTX_new_from_pkey(ctx->libctx, tmpkey, ctx->propq);
if (pctx == NULL)
cache[i].enabled = 0;
EVP_PKEY_CTX_free(pctx);
}
cache_idx = OSSL_NELEM(sigalg_lookup_tbl);
for (i = 0; i < ctx->sigalg_list_len; i++) {
TLS_SIGALG_INFO si = ctx->sigalg_list[i];
cache[cache_idx].name = si.name;
cache[cache_idx].sigalg = si.code_point;
tls12_sigalgs_list[cache_idx] = si.code_point;
cache[cache_idx].hash = si.hash_name?OBJ_txt2nid(si.hash_name):NID_undef;
cache[cache_idx].hash_idx = ssl_get_md_idx(cache[cache_idx].hash);
cache[cache_idx].sig = OBJ_txt2nid(si.sigalg_name);
cache[cache_idx].sig_idx = i + SSL_PKEY_NUM;
cache[cache_idx].sigandhash = OBJ_txt2nid(si.sigalg_name);
cache[cache_idx].curve = NID_undef;
cache[cache_idx].enabled = 1;
cache_idx++;
}
ERR_pop_to_mark();
ctx->sigalg_lookup_cache = cache;
ctx->tls12_sigalgs = tls12_sigalgs_list;
ctx->tls12_sigalgs_len = sigalgs_len;
cache = NULL;
tls12_sigalgs_list = NULL;
ret = 1;
err:
OPENSSL_free(cache);
OPENSSL_free(tls12_sigalgs_list);
EVP_PKEY_free(tmpkey);
return ret;
}
static const SIGALG_LOOKUP *tls1_lookup_sigalg(const SSL_CONNECTION *s,
uint16_t sigalg)
{
size_t i;
const SIGALG_LOOKUP *lu;
for (i = 0, lu = SSL_CONNECTION_GET_CTX(s)->sigalg_lookup_cache;
i < SSL_CONNECTION_GET_CTX(s)->tls12_sigalgs_len;
lu++, i++) {
if (lu->sigalg == sigalg) {
if (!lu->enabled)
return NULL;
return lu;
}
}
return NULL;
}
int tls1_lookup_md(SSL_CTX *ctx, const SIGALG_LOOKUP *lu, const EVP_MD **pmd)
{
const EVP_MD *md;
if (lu == NULL)
return 0;
if (lu->hash == NID_undef) {
md = NULL;
} else {
md = ssl_md(ctx, lu->hash_idx);
if (md == NULL)
return 0;
}
if (pmd)
*pmd = md;
return 1;
}
#define RSA_PSS_MINIMUM_KEY_SIZE(md) (2 * EVP_MD_get_size(md) + 2)
static int rsa_pss_check_min_key_size(SSL_CTX *ctx, const EVP_PKEY *pkey,
const SIGALG_LOOKUP *lu)
{
const EVP_MD *md;
if (pkey == NULL)
return 0;
if (!tls1_lookup_md(ctx, lu, &md) || md == NULL)
return 0;
if (EVP_PKEY_get_size(pkey) < RSA_PSS_MINIMUM_KEY_SIZE(md))
return 0;
return 1;
}
static const SIGALG_LOOKUP *tls1_get_legacy_sigalg(const SSL_CONNECTION *s,
int idx)
{
if (idx == -1) {
if (s->server) {
size_t i;
for (i = 0; i < s->ssl_pkey_num; i++) {
const SSL_CERT_LOOKUP *clu
= ssl_cert_lookup_by_idx(i, SSL_CONNECTION_GET_CTX(s));
if (clu == NULL)
continue;
if (clu->amask & s->s3.tmp.new_cipher->algorithm_auth) {
idx = i;
break;
}
}
if (idx == SSL_PKEY_GOST01 && s->s3.tmp.new_cipher->algorithm_auth != SSL_aGOST01) {
int real_idx;
for (real_idx = SSL_PKEY_GOST12_512; real_idx >= SSL_PKEY_GOST01;
real_idx--) {
if (s->cert->pkeys[real_idx].privatekey != NULL) {
idx = real_idx;
break;
}
}
}
else if (idx == SSL_PKEY_GOST12_256) {
int real_idx;
for (real_idx = SSL_PKEY_GOST12_512; real_idx >= SSL_PKEY_GOST12_256;
real_idx--) {
if (s->cert->pkeys[real_idx].privatekey != NULL) {
idx = real_idx;
break;
}
}
}
} else {
idx = s->cert->key - s->cert->pkeys;
}
}
if (idx < 0 || idx >= (int)OSSL_NELEM(tls_default_sigalg))
return NULL;
if (SSL_USE_SIGALGS(s) || idx != SSL_PKEY_RSA) {
const SIGALG_LOOKUP *lu = tls1_lookup_sigalg(s, tls_default_sigalg[idx]);
if (lu == NULL)
return NULL;
if (!tls1_lookup_md(SSL_CONNECTION_GET_CTX(s), lu, NULL))
return NULL;
if (!tls12_sigalg_allowed(s, SSL_SECOP_SIGALG_SUPPORTED, lu))
return NULL;
return lu;
}
if (!tls12_sigalg_allowed(s, SSL_SECOP_SIGALG_SUPPORTED, &legacy_rsa_sigalg))
return NULL;
return &legacy_rsa_sigalg;
}
int tls1_set_peer_legacy_sigalg(SSL_CONNECTION *s, const EVP_PKEY *pkey)
{
size_t idx;
const SIGALG_LOOKUP *lu;
if (ssl_cert_lookup_by_pkey(pkey, &idx, SSL_CONNECTION_GET_CTX(s)) == NULL)
return 0;
lu = tls1_get_legacy_sigalg(s, idx);
if (lu == NULL)
return 0;
s->s3.tmp.peer_sigalg = lu;
return 1;
}
size_t tls12_get_psigalgs(SSL_CONNECTION *s, int sent, const uint16_t **psigs)
{
switch (tls1_suiteb(s)) {
case SSL_CERT_FLAG_SUITEB_128_LOS:
*psigs = suiteb_sigalgs;
return OSSL_NELEM(suiteb_sigalgs);
case SSL_CERT_FLAG_SUITEB_128_LOS_ONLY:
*psigs = suiteb_sigalgs;
return 1;
case SSL_CERT_FLAG_SUITEB_192_LOS:
*psigs = suiteb_sigalgs + 1;
return 1;
}
if ((s->server == sent) && s->cert->client_sigalgs != NULL) {
*psigs = s->cert->client_sigalgs;
return s->cert->client_sigalgslen;
} else if (s->cert->conf_sigalgs) {
*psigs = s->cert->conf_sigalgs;
return s->cert->conf_sigalgslen;
} else {
*psigs = SSL_CONNECTION_GET_CTX(s)->tls12_sigalgs;
return SSL_CONNECTION_GET_CTX(s)->tls12_sigalgs_len;
}
}
int tls_check_sigalg_curve(const SSL_CONNECTION *s, int curve)
{
const uint16_t *sigs;
size_t siglen, i;
if (s->cert->conf_sigalgs) {
sigs = s->cert->conf_sigalgs;
siglen = s->cert->conf_sigalgslen;
} else {
sigs = SSL_CONNECTION_GET_CTX(s)->tls12_sigalgs;
siglen = SSL_CONNECTION_GET_CTX(s)->tls12_sigalgs_len;
}
for (i = 0; i < siglen; i++) {
const SIGALG_LOOKUP *lu = tls1_lookup_sigalg(s, sigs[i]);
if (lu == NULL)
continue;
if (lu->sig == EVP_PKEY_EC
&& lu->curve != NID_undef
&& curve == lu->curve)
return 1;
}
return 0;
}
static int sigalg_security_bits(SSL_CTX *ctx, const SIGALG_LOOKUP *lu)
{
const EVP_MD *md = NULL;
int secbits = 0;
if (!tls1_lookup_md(ctx, lu, &md))
return 0;
if (md != NULL)
{
int md_type = EVP_MD_get_type(md);
secbits = EVP_MD_get_size(md) * 4;
if (md_type == NID_sha1)
secbits = 64;
else if (md_type == NID_md5_sha1)
secbits = 67;
else if (md_type == NID_md5)
secbits = 39;
} else {
if (lu->sigalg == TLSEXT_SIGALG_ed25519)
secbits = 128;
else if (lu->sigalg == TLSEXT_SIGALG_ed448)
secbits = 224;
}
if ((secbits == 0) && (lu->sig_idx >= SSL_PKEY_NUM)
&& ((lu->sig_idx - SSL_PKEY_NUM) < (int)ctx->sigalg_list_len)) {
secbits = ctx->sigalg_list[lu->sig_idx - SSL_PKEY_NUM].secbits;
}
return secbits;
}
int tls12_check_peer_sigalg(SSL_CONNECTION *s, uint16_t sig, EVP_PKEY *pkey)
{
const uint16_t *sent_sigs;
const EVP_MD *md = NULL;
char sigalgstr[2];
size_t sent_sigslen, i, cidx;
int pkeyid = -1;
const SIGALG_LOOKUP *lu;
int secbits = 0;
pkeyid = EVP_PKEY_get_id(pkey);
if (SSL_CONNECTION_IS_TLS13(s)) {
if (pkeyid == EVP_PKEY_DSA) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_WRONG_SIGNATURE_TYPE);
return 0;
}
if (pkeyid == EVP_PKEY_RSA)
pkeyid = EVP_PKEY_RSA_PSS;
}
lu = tls1_lookup_sigalg(s, sig);
if ((pkeyid == EVP_PKEY_KEYMGMT) && (lu != NULL))
pkeyid = lu->sig;
if (pkeyid == -1)
return -1;
if (lu == NULL
|| (SSL_CONNECTION_IS_TLS13(s)
&& (lu->hash == NID_sha1 || lu->hash == NID_sha224))
|| (pkeyid != lu->sig
&& (lu->sig != EVP_PKEY_RSA_PSS || pkeyid != EVP_PKEY_RSA))) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_WRONG_SIGNATURE_TYPE);
return 0;
}
if (!ssl_cert_lookup_by_nid(
(pkeyid == EVP_PKEY_RSA_PSS) ? EVP_PKEY_get_id(pkey) : pkeyid,
&cidx, SSL_CONNECTION_GET_CTX(s))
|| lu->sig_idx != (int)cidx) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_WRONG_SIGNATURE_TYPE);
return 0;
}
if (pkeyid == EVP_PKEY_EC) {
if (!tls1_check_pkey_comp(s, pkey)) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER,
SSL_R_ILLEGAL_POINT_COMPRESSION);
return 0;
}
if (SSL_CONNECTION_IS_TLS13(s) || tls1_suiteb(s)) {
int curve = ssl_get_EC_curve_nid(pkey);
if (lu->curve != NID_undef && curve != lu->curve) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_WRONG_CURVE);
return 0;
}
}
if (!SSL_CONNECTION_IS_TLS13(s)) {
if (!tls1_check_group_id(s, tls1_get_group_id(pkey), 1)) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_WRONG_CURVE);
return 0;
}
if (tls1_suiteb(s)) {
if (sig != TLSEXT_SIGALG_ecdsa_secp256r1_sha256
&& sig != TLSEXT_SIGALG_ecdsa_secp384r1_sha384) {
SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE,
SSL_R_WRONG_SIGNATURE_TYPE);
return 0;
}
}
}
} else if (tls1_suiteb(s)) {
SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_R_WRONG_SIGNATURE_TYPE);
return 0;
}
sent_sigslen = tls12_get_psigalgs(s, 1, &sent_sigs);
for (i = 0; i < sent_sigslen; i++, sent_sigs++) {
if (sig == *sent_sigs)
break;
}
if (i == sent_sigslen && (lu->hash != NID_sha1
|| s->cert->cert_flags & SSL_CERT_FLAGS_CHECK_TLS_STRICT)) {
SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_R_WRONG_SIGNATURE_TYPE);
return 0;
}
if (!tls1_lookup_md(SSL_CONNECTION_GET_CTX(s), lu, &md)) {
SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_R_UNKNOWN_DIGEST);
return 0;
}
sigalgstr[0] = (sig >> 8) & 0xff;
sigalgstr[1] = sig & 0xff;
secbits = sigalg_security_bits(SSL_CONNECTION_GET_CTX(s), lu);
if (secbits == 0 ||
!ssl_security(s, SSL_SECOP_SIGALG_CHECK, secbits,
md != NULL ? EVP_MD_get_type(md) : NID_undef,
(void *)sigalgstr)) {
SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_R_WRONG_SIGNATURE_TYPE);
return 0;
}
s->s3.tmp.peer_sigalg = lu;
return 1;
}
int SSL_get_peer_signature_type_nid(const SSL *s, int *pnid)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
if (sc == NULL)
return 0;
if (sc->s3.tmp.peer_sigalg == NULL)
return 0;
*pnid = sc->s3.tmp.peer_sigalg->sig;
return 1;
}
int SSL_get_signature_type_nid(const SSL *s, int *pnid)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
if (sc == NULL)
return 0;
if (sc->s3.tmp.sigalg == NULL)
return 0;
*pnid = sc->s3.tmp.sigalg->sig;
return 1;
}
int ssl_set_client_disabled(SSL_CONNECTION *s)
{
s->s3.tmp.mask_a = 0;
s->s3.tmp.mask_k = 0;
ssl_set_sig_mask(&s->s3.tmp.mask_a, s, SSL_SECOP_SIGALG_MASK);
if (ssl_get_min_max_version(s, &s->s3.tmp.min_ver,
&s->s3.tmp.max_ver, NULL) != 0)
return 0;
#ifndef OPENSSL_NO_PSK
if (!s->psk_client_callback) {
s->s3.tmp.mask_a |= SSL_aPSK;
s->s3.tmp.mask_k |= SSL_PSK;
}
#endif
#ifndef OPENSSL_NO_SRP
if (!(s->srp_ctx.srp_Mask & SSL_kSRP)) {
s->s3.tmp.mask_a |= SSL_aSRP;
s->s3.tmp.mask_k |= SSL_kSRP;
}
#endif
return 1;
}
int ssl_cipher_disabled(const SSL_CONNECTION *s, const SSL_CIPHER *c,
int op, int ecdhe)
{
int minversion = SSL_CONNECTION_IS_DTLS(s) ? c->min_dtls : c->min_tls;
int maxversion = SSL_CONNECTION_IS_DTLS(s) ? c->max_dtls : c->max_tls;
if (c->algorithm_mkey & s->s3.tmp.mask_k
|| c->algorithm_auth & s->s3.tmp.mask_a)
return 1;
if (s->s3.tmp.max_ver == 0)
return 1;
if (SSL_IS_QUIC_HANDSHAKE(s))
switch (SSL_CIPHER_get_id(c)) {
case TLS1_3_CK_AES_128_GCM_SHA256:
case TLS1_3_CK_AES_256_GCM_SHA384:
case TLS1_3_CK_CHACHA20_POLY1305_SHA256:
break;
default:
return 1;
}
if (minversion == TLS1_VERSION
&& ecdhe
&& (c->algorithm_mkey & (SSL_kECDHE | SSL_kECDHEPSK)) != 0)
minversion = SSL3_VERSION;
if (ssl_version_cmp(s, minversion, s->s3.tmp.max_ver) > 0
|| ssl_version_cmp(s, maxversion, s->s3.tmp.min_ver) < 0)
return 1;
return !ssl_security(s, op, c->strength_bits, 0, (void *)c);
}
int tls_use_ticket(SSL_CONNECTION *s)
{
if ((s->options & SSL_OP_NO_TICKET))
return 0;
return ssl_security(s, SSL_SECOP_TICKET, 0, 0, NULL);
}
int tls1_set_server_sigalgs(SSL_CONNECTION *s)
{
size_t i;
OPENSSL_free(s->shared_sigalgs);
s->shared_sigalgs = NULL;
s->shared_sigalgslen = 0;
if (s->s3.tmp.valid_flags)
memset(s->s3.tmp.valid_flags, 0, s->ssl_pkey_num * sizeof(uint32_t));
else
s->s3.tmp.valid_flags = OPENSSL_zalloc(s->ssl_pkey_num * sizeof(uint32_t));
if (s->s3.tmp.valid_flags == NULL)
return 0;
if (s->s3.tmp.peer_cert_sigalgs == NULL
&& s->s3.tmp.peer_sigalgs == NULL) {
const uint16_t *sent_sigs;
size_t sent_sigslen = tls12_get_psigalgs(s, 1, &sent_sigs);
for (i = 0; i < s->ssl_pkey_num; i++) {
const SIGALG_LOOKUP *lu = tls1_get_legacy_sigalg(s, i);
size_t j;
if (lu == NULL)
continue;
for (j = 0; j < sent_sigslen; j++) {
if (lu->sigalg == sent_sigs[j]) {
s->s3.tmp.valid_flags[i] = CERT_PKEY_SIGN;
break;
}
}
}
return 1;
}
if (!tls1_process_sigalgs(s)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
if (s->shared_sigalgs != NULL)
return 1;
SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE,
SSL_R_NO_SHARED_SIGNATURE_ALGORITHMS);
return 0;
}
SSL_TICKET_STATUS tls_get_ticket_from_client(SSL_CONNECTION *s,
CLIENTHELLO_MSG *hello,
SSL_SESSION **ret)
{
size_t size;
RAW_EXTENSION *ticketext;
*ret = NULL;
s->ext.ticket_expected = 0;
if (s->version <= SSL3_VERSION || !tls_use_ticket(s))
return SSL_TICKET_NONE;
ticketext = &hello->pre_proc_exts[TLSEXT_IDX_session_ticket];
if (!ticketext->present)
return SSL_TICKET_NONE;
size = PACKET_remaining(&ticketext->data);
return tls_decrypt_ticket(s, PACKET_data(&ticketext->data), size,
hello->session_id, hello->session_id_len, ret);
}
SSL_TICKET_STATUS tls_decrypt_ticket(SSL_CONNECTION *s,
const unsigned char *etick,
size_t eticklen,
const unsigned char *sess_id,
size_t sesslen, SSL_SESSION **psess)
{
SSL_SESSION *sess = NULL;
unsigned char *sdec;
const unsigned char *p;
int slen, ivlen, renew_ticket = 0, declen;
SSL_TICKET_STATUS ret = SSL_TICKET_FATAL_ERR_OTHER;
size_t mlen;
unsigned char tick_hmac[EVP_MAX_MD_SIZE];
SSL_HMAC *hctx = NULL;
EVP_CIPHER_CTX *ctx = NULL;
SSL_CTX *tctx = s->session_ctx;
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
if (eticklen == 0) {
ret = SSL_TICKET_EMPTY;
goto end;
}
if (!SSL_CONNECTION_IS_TLS13(s) && s->ext.session_secret_cb) {
ret = SSL_TICKET_NO_DECRYPT;
goto end;
}
if (eticklen < TLSEXT_KEYNAME_LENGTH + EVP_MAX_IV_LENGTH) {
ret = SSL_TICKET_NO_DECRYPT;
goto end;
}
hctx = ssl_hmac_new(tctx);
if (hctx == NULL) {
ret = SSL_TICKET_FATAL_ERR_MALLOC;
goto end;
}
ctx = EVP_CIPHER_CTX_new();
if (ctx == NULL) {
ret = SSL_TICKET_FATAL_ERR_MALLOC;
goto end;
}
#ifndef OPENSSL_NO_DEPRECATED_3_0
if (tctx->ext.ticket_key_evp_cb != NULL || tctx->ext.ticket_key_cb != NULL)
#else
if (tctx->ext.ticket_key_evp_cb != NULL)
#endif
{
unsigned char *nctick = (unsigned char *)etick;
int rv = 0;
if (tctx->ext.ticket_key_evp_cb != NULL)
rv = tctx->ext.ticket_key_evp_cb(SSL_CONNECTION_GET_SSL(s), nctick,
nctick + TLSEXT_KEYNAME_LENGTH,
ctx,
ssl_hmac_get0_EVP_MAC_CTX(hctx),
0);
#ifndef OPENSSL_NO_DEPRECATED_3_0
else if (tctx->ext.ticket_key_cb != NULL)
rv = tctx->ext.ticket_key_cb(SSL_CONNECTION_GET_SSL(s), nctick,
nctick + TLSEXT_KEYNAME_LENGTH,
ctx, ssl_hmac_get0_HMAC_CTX(hctx), 0);
#endif
if (rv < 0) {
ret = SSL_TICKET_FATAL_ERR_OTHER;
goto end;
}
if (rv == 0) {
ret = SSL_TICKET_NO_DECRYPT;
goto end;
}
if (rv == 2)
renew_ticket = 1;
} else {
EVP_CIPHER *aes256cbc = NULL;
if (memcmp(etick, tctx->ext.tick_key_name,
TLSEXT_KEYNAME_LENGTH) != 0) {
ret = SSL_TICKET_NO_DECRYPT;
goto end;
}
aes256cbc = EVP_CIPHER_fetch(sctx->libctx, "AES-256-CBC",
sctx->propq);
if (aes256cbc == NULL
|| ssl_hmac_init(hctx, tctx->ext.secure->tick_hmac_key,
sizeof(tctx->ext.secure->tick_hmac_key),
"SHA256") <= 0
|| EVP_DecryptInit_ex(ctx, aes256cbc, NULL,
tctx->ext.secure->tick_aes_key,
etick + TLSEXT_KEYNAME_LENGTH) <= 0) {
EVP_CIPHER_free(aes256cbc);
ret = SSL_TICKET_FATAL_ERR_OTHER;
goto end;
}
EVP_CIPHER_free(aes256cbc);
if (SSL_CONNECTION_IS_TLS13(s))
renew_ticket = 1;
}
mlen = ssl_hmac_size(hctx);
if (mlen == 0) {
ret = SSL_TICKET_FATAL_ERR_OTHER;
goto end;
}
ivlen = EVP_CIPHER_CTX_get_iv_length(ctx);
if (ivlen < 0) {
ret = SSL_TICKET_FATAL_ERR_OTHER;
goto end;
}
if (eticklen <= TLSEXT_KEYNAME_LENGTH + ivlen + mlen) {
ret = SSL_TICKET_NO_DECRYPT;
goto end;
}
eticklen -= mlen;
if (ssl_hmac_update(hctx, etick, eticklen) <= 0
|| ssl_hmac_final(hctx, tick_hmac, NULL, sizeof(tick_hmac)) <= 0) {
ret = SSL_TICKET_FATAL_ERR_OTHER;
goto end;
}
if (CRYPTO_memcmp(tick_hmac, etick + eticklen, mlen)) {
ret = SSL_TICKET_NO_DECRYPT;
goto end;
}
p = etick + TLSEXT_KEYNAME_LENGTH + ivlen;
eticklen -= TLSEXT_KEYNAME_LENGTH + ivlen;
sdec = OPENSSL_malloc(eticklen);
if (sdec == NULL || EVP_DecryptUpdate(ctx, sdec, &slen, p,
(int)eticklen) <= 0) {
OPENSSL_free(sdec);
ret = SSL_TICKET_FATAL_ERR_OTHER;
goto end;
}
if (EVP_DecryptFinal(ctx, sdec + slen, &declen) <= 0) {
OPENSSL_free(sdec);
ret = SSL_TICKET_NO_DECRYPT;
goto end;
}
slen += declen;
p = sdec;
sess = d2i_SSL_SESSION_ex(NULL, &p, slen, sctx->libctx, sctx->propq);
slen -= p - sdec;
OPENSSL_free(sdec);
if (sess) {
if (slen != 0) {
SSL_SESSION_free(sess);
sess = NULL;
ret = SSL_TICKET_NO_DECRYPT;
goto end;
}
if (sesslen) {
memcpy(sess->session_id, sess_id, sesslen);
sess->session_id_length = sesslen;
}
if (renew_ticket)
ret = SSL_TICKET_SUCCESS_RENEW;
else
ret = SSL_TICKET_SUCCESS;
goto end;
}
ERR_clear_error();
ret = SSL_TICKET_NO_DECRYPT;
end:
EVP_CIPHER_CTX_free(ctx);
ssl_hmac_free(hctx);
if (s->session_ctx->decrypt_ticket_cb != NULL
&& (ret == SSL_TICKET_EMPTY
|| ret == SSL_TICKET_NO_DECRYPT
|| ret == SSL_TICKET_SUCCESS
|| ret == SSL_TICKET_SUCCESS_RENEW)) {
size_t keyname_len = eticklen;
int retcb;
if (keyname_len > TLSEXT_KEYNAME_LENGTH)
keyname_len = TLSEXT_KEYNAME_LENGTH;
retcb = s->session_ctx->decrypt_ticket_cb(SSL_CONNECTION_GET_SSL(s),
sess, etick, keyname_len,
ret,
s->session_ctx->ticket_cb_data);
switch (retcb) {
case SSL_TICKET_RETURN_ABORT:
ret = SSL_TICKET_FATAL_ERR_OTHER;
break;
case SSL_TICKET_RETURN_IGNORE:
ret = SSL_TICKET_NONE;
SSL_SESSION_free(sess);
sess = NULL;
break;
case SSL_TICKET_RETURN_IGNORE_RENEW:
if (ret != SSL_TICKET_EMPTY && ret != SSL_TICKET_NO_DECRYPT)
ret = SSL_TICKET_NO_DECRYPT;
SSL_SESSION_free(sess);
sess = NULL;
break;
case SSL_TICKET_RETURN_USE:
case SSL_TICKET_RETURN_USE_RENEW:
if (ret != SSL_TICKET_SUCCESS
&& ret != SSL_TICKET_SUCCESS_RENEW)
ret = SSL_TICKET_FATAL_ERR_OTHER;
else if (retcb == SSL_TICKET_RETURN_USE)
ret = SSL_TICKET_SUCCESS;
else
ret = SSL_TICKET_SUCCESS_RENEW;
break;
default:
ret = SSL_TICKET_FATAL_ERR_OTHER;
}
}
if (s->ext.session_secret_cb == NULL || SSL_CONNECTION_IS_TLS13(s)) {
switch (ret) {
case SSL_TICKET_NO_DECRYPT:
case SSL_TICKET_SUCCESS_RENEW:
case SSL_TICKET_EMPTY:
s->ext.ticket_expected = 1;
}
}
*psess = sess;
return ret;
}
static int tls12_sigalg_allowed(const SSL_CONNECTION *s, int op,
const SIGALG_LOOKUP *lu)
{
unsigned char sigalgstr[2];
int secbits;
if (lu == NULL || !lu->enabled)
return 0;
if (SSL_CONNECTION_IS_TLS13(s) && lu->sig == EVP_PKEY_DSA)
return 0;
if (!s->server && !SSL_CONNECTION_IS_DTLS(s)
&& s->s3.tmp.min_ver >= TLS1_3_VERSION
&& (lu->sig == EVP_PKEY_DSA || lu->hash_idx == SSL_MD_SHA1_IDX
|| lu->hash_idx == SSL_MD_MD5_IDX
|| lu->hash_idx == SSL_MD_SHA224_IDX))
return 0;
if (ssl_cert_is_disabled(SSL_CONNECTION_GET_CTX(s), lu->sig_idx))
return 0;
if (lu->sig == NID_id_GostR3410_2012_256
|| lu->sig == NID_id_GostR3410_2012_512
|| lu->sig == NID_id_GostR3410_2001) {
if (s->server && SSL_CONNECTION_IS_TLS13(s))
return 0;
if (!s->server
&& SSL_CONNECTION_GET_SSL(s)->method->version == TLS_ANY_VERSION
&& s->s3.tmp.max_ver >= TLS1_3_VERSION) {
int i, num;
STACK_OF(SSL_CIPHER) *sk;
if (s->s3.tmp.min_ver >= TLS1_3_VERSION)
return 0;
sk = SSL_get_ciphers(SSL_CONNECTION_GET_SSL(s));
num = sk != NULL ? sk_SSL_CIPHER_num(sk) : 0;
for (i = 0; i < num; i++) {
const SSL_CIPHER *c;
c = sk_SSL_CIPHER_value(sk, i);
if (ssl_cipher_disabled(s, c, SSL_SECOP_CIPHER_SUPPORTED, 0))
continue;
if ((c->algorithm_mkey & (SSL_kGOST | SSL_kGOST18)) != 0)
break;
}
if (i == num)
return 0;
}
}
secbits = sigalg_security_bits(SSL_CONNECTION_GET_CTX(s), lu);
sigalgstr[0] = (lu->sigalg >> 8) & 0xff;
sigalgstr[1] = lu->sigalg & 0xff;
return ssl_security(s, op, secbits, lu->hash, (void *)sigalgstr);
}
void ssl_set_sig_mask(uint32_t *pmask_a, SSL_CONNECTION *s, int op)
{
const uint16_t *sigalgs;
size_t i, sigalgslen;
uint32_t disabled_mask = SSL_aRSA | SSL_aDSS | SSL_aECDSA;
sigalgslen = tls12_get_psigalgs(s, 1, &sigalgs);
for (i = 0; i < sigalgslen; i++, sigalgs++) {
const SIGALG_LOOKUP *lu = tls1_lookup_sigalg(s, *sigalgs);
const SSL_CERT_LOOKUP *clu;
if (lu == NULL)
continue;
clu = ssl_cert_lookup_by_idx(lu->sig_idx,
SSL_CONNECTION_GET_CTX(s));
if (clu == NULL)
continue;
if ((clu->amask & disabled_mask) != 0
&& tls12_sigalg_allowed(s, op, lu))
disabled_mask &= ~clu->amask;
}
*pmask_a |= disabled_mask;
}
int tls12_copy_sigalgs(SSL_CONNECTION *s, WPACKET *pkt,
const uint16_t *psig, size_t psiglen)
{
size_t i;
int rv = 0;
for (i = 0; i < psiglen; i++, psig++) {
const SIGALG_LOOKUP *lu = tls1_lookup_sigalg(s, *psig);
if (lu == NULL
|| !tls12_sigalg_allowed(s, SSL_SECOP_SIGALG_SUPPORTED, lu))
continue;
if (!WPACKET_put_bytes_u16(pkt, *psig))
return 0;
if (rv == 0 && (!SSL_CONNECTION_IS_TLS13(s)
|| (lu->sig != EVP_PKEY_RSA
&& lu->hash != NID_sha1
&& lu->hash != NID_sha224)))
rv = 1;
}
if (rv == 0)
ERR_raise(ERR_LIB_SSL, SSL_R_NO_SUITABLE_SIGNATURE_ALGORITHM);
return rv;
}
static size_t tls12_shared_sigalgs(SSL_CONNECTION *s,
const SIGALG_LOOKUP **shsig,
const uint16_t *pref, size_t preflen,
const uint16_t *allow, size_t allowlen)
{
const uint16_t *ptmp, *atmp;
size_t i, j, nmatch = 0;
for (i = 0, ptmp = pref; i < preflen; i++, ptmp++) {
const SIGALG_LOOKUP *lu = tls1_lookup_sigalg(s, *ptmp);
if (lu == NULL
|| !tls12_sigalg_allowed(s, SSL_SECOP_SIGALG_SHARED, lu))
continue;
for (j = 0, atmp = allow; j < allowlen; j++, atmp++) {
if (*ptmp == *atmp) {
nmatch++;
if (shsig)
*shsig++ = lu;
break;
}
}
}
return nmatch;
}
static int tls1_set_shared_sigalgs(SSL_CONNECTION *s)
{
const uint16_t *pref, *allow, *conf;
size_t preflen, allowlen, conflen;
size_t nmatch;
const SIGALG_LOOKUP **salgs = NULL;
CERT *c = s->cert;
unsigned int is_suiteb = tls1_suiteb(s);
OPENSSL_free(s->shared_sigalgs);
s->shared_sigalgs = NULL;
s->shared_sigalgslen = 0;
if (!s->server && c->client_sigalgs && !is_suiteb) {
conf = c->client_sigalgs;
conflen = c->client_sigalgslen;
} else if (c->conf_sigalgs && !is_suiteb) {
conf = c->conf_sigalgs;
conflen = c->conf_sigalgslen;
} else
conflen = tls12_get_psigalgs(s, 0, &conf);
if (s->options & SSL_OP_CIPHER_SERVER_PREFERENCE || is_suiteb) {
pref = conf;
preflen = conflen;
allow = s->s3.tmp.peer_sigalgs;
allowlen = s->s3.tmp.peer_sigalgslen;
} else {
allow = conf;
allowlen = conflen;
pref = s->s3.tmp.peer_sigalgs;
preflen = s->s3.tmp.peer_sigalgslen;
}
nmatch = tls12_shared_sigalgs(s, NULL, pref, preflen, allow, allowlen);
if (nmatch) {
if ((salgs = OPENSSL_malloc(nmatch * sizeof(*salgs))) == NULL)
return 0;
nmatch = tls12_shared_sigalgs(s, salgs, pref, preflen, allow, allowlen);
} else {
salgs = NULL;
}
s->shared_sigalgs = salgs;
s->shared_sigalgslen = nmatch;
return 1;
}
int tls1_save_u16(PACKET *pkt, uint16_t **pdest, size_t *pdestlen)
{
unsigned int stmp;
size_t size, i;
uint16_t *buf;
size = PACKET_remaining(pkt);
if (size == 0 || (size & 1) != 0)
return 0;
size >>= 1;
if ((buf = OPENSSL_malloc(size * sizeof(*buf))) == NULL)
return 0;
for (i = 0; i < size && PACKET_get_net_2(pkt, &stmp); i++)
buf[i] = stmp;
if (i != size) {
OPENSSL_free(buf);
return 0;
}
OPENSSL_free(*pdest);
*pdest = buf;
*pdestlen = size;
return 1;
}
int tls1_save_sigalgs(SSL_CONNECTION *s, PACKET *pkt, int cert)
{
if (!SSL_USE_SIGALGS(s))
return 1;
if (s->cert == NULL)
return 0;
if (cert)
return tls1_save_u16(pkt, &s->s3.tmp.peer_cert_sigalgs,
&s->s3.tmp.peer_cert_sigalgslen);
else
return tls1_save_u16(pkt, &s->s3.tmp.peer_sigalgs,
&s->s3.tmp.peer_sigalgslen);
}
int tls1_process_sigalgs(SSL_CONNECTION *s)
{
size_t i;
uint32_t *pvalid = s->s3.tmp.valid_flags;
if (!tls1_set_shared_sigalgs(s))
return 0;
for (i = 0; i < s->ssl_pkey_num; i++)
pvalid[i] = 0;
for (i = 0; i < s->shared_sigalgslen; i++) {
const SIGALG_LOOKUP *sigptr = s->shared_sigalgs[i];
int idx = sigptr->sig_idx;
if (SSL_CONNECTION_IS_TLS13(s) && sigptr->sig == EVP_PKEY_RSA)
continue;
if (pvalid[idx] == 0
&& !ssl_cert_is_disabled(SSL_CONNECTION_GET_CTX(s), idx))
pvalid[idx] = CERT_PKEY_EXPLICIT_SIGN | CERT_PKEY_SIGN;
}
return 1;
}
int SSL_get_sigalgs(SSL *s, int idx,
int *psign, int *phash, int *psignhash,
unsigned char *rsig, unsigned char *rhash)
{
uint16_t *psig;
size_t numsigalgs;
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return 0;
psig = sc->s3.tmp.peer_sigalgs;
numsigalgs = sc->s3.tmp.peer_sigalgslen;
if (psig == NULL || numsigalgs > INT_MAX)
return 0;
if (idx >= 0) {
const SIGALG_LOOKUP *lu;
if (idx >= (int)numsigalgs)
return 0;
psig += idx;
if (rhash != NULL)
*rhash = (unsigned char)((*psig >> 8) & 0xff);
if (rsig != NULL)
*rsig = (unsigned char)(*psig & 0xff);
lu = tls1_lookup_sigalg(sc, *psig);
if (psign != NULL)
*psign = lu != NULL ? lu->sig : NID_undef;
if (phash != NULL)
*phash = lu != NULL ? lu->hash : NID_undef;
if (psignhash != NULL)
*psignhash = lu != NULL ? lu->sigandhash : NID_undef;
}
return (int)numsigalgs;
}
int SSL_get_shared_sigalgs(SSL *s, int idx,
int *psign, int *phash, int *psignhash,
unsigned char *rsig, unsigned char *rhash)
{
const SIGALG_LOOKUP *shsigalgs;
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return 0;
if (sc->shared_sigalgs == NULL
|| idx < 0
|| idx >= (int)sc->shared_sigalgslen
|| sc->shared_sigalgslen > INT_MAX)
return 0;
shsigalgs = sc->shared_sigalgs[idx];
if (phash != NULL)
*phash = shsigalgs->hash;
if (psign != NULL)
*psign = shsigalgs->sig;
if (psignhash != NULL)
*psignhash = shsigalgs->sigandhash;
if (rsig != NULL)
*rsig = (unsigned char)(shsigalgs->sigalg & 0xff);
if (rhash != NULL)
*rhash = (unsigned char)((shsigalgs->sigalg >> 8) & 0xff);
return (int)sc->shared_sigalgslen;
}
#define TLS_MAX_SIGALGCNT (OSSL_NELEM(sigalg_lookup_tbl) * 2)
typedef struct {
size_t sigalgcnt;
uint16_t sigalgs[TLS_MAX_SIGALGCNT];
SSL_CTX *ctx;
} sig_cb_st;
static void get_sigorhash(int *psig, int *phash, const char *str)
{
if (strcmp(str, "RSA") == 0) {
*psig = EVP_PKEY_RSA;
} else if (strcmp(str, "RSA-PSS") == 0 || strcmp(str, "PSS") == 0) {
*psig = EVP_PKEY_RSA_PSS;
} else if (strcmp(str, "DSA") == 0) {
*psig = EVP_PKEY_DSA;
} else if (strcmp(str, "ECDSA") == 0) {
*psig = EVP_PKEY_EC;
} else {
*phash = OBJ_sn2nid(str);
if (*phash == NID_undef)
*phash = OBJ_ln2nid(str);
}
}
#define TLS_MAX_SIGSTRING_LEN 40
static int sig_cb(const char *elem, int len, void *arg)
{
sig_cb_st *sarg = arg;
size_t i = 0;
const SIGALG_LOOKUP *s;
char etmp[TLS_MAX_SIGSTRING_LEN], *p;
int sig_alg = NID_undef, hash_alg = NID_undef;
int ignore_unknown = 0;
if (elem == NULL)
return 0;
if (elem[0] == '?') {
ignore_unknown = 1;
++elem;
--len;
}
if (sarg->sigalgcnt == TLS_MAX_SIGALGCNT)
return 0;
if (len > (int)(sizeof(etmp) - 1))
return 0;
memcpy(etmp, elem, len);
etmp[len] = 0;
p = strchr(etmp, '+');
if (p == NULL) {
if (sarg->ctx != NULL) {
for (i = 0; i < sarg->ctx->sigalg_list_len; i++) {
if (sarg->ctx->sigalg_list[i].sigalg_name != NULL
&& strcmp(etmp,
sarg->ctx->sigalg_list[i].sigalg_name) == 0) {
sarg->sigalgs[sarg->sigalgcnt++] =
sarg->ctx->sigalg_list[i].code_point;
break;
}
}
}
if (sarg->ctx == NULL || i == sarg->ctx->sigalg_list_len) {
for (i = 0, s = sigalg_lookup_tbl;
i < OSSL_NELEM(sigalg_lookup_tbl); i++, s++) {
if (s->name != NULL && strcmp(etmp, s->name) == 0) {
sarg->sigalgs[sarg->sigalgcnt++] = s->sigalg;
break;
}
}
if (i == OSSL_NELEM(sigalg_lookup_tbl)) {
return ignore_unknown;
}
}
} else {
*p = 0;
p++;
if (*p == 0)
return 0;
get_sigorhash(&sig_alg, &hash_alg, etmp);
get_sigorhash(&sig_alg, &hash_alg, p);
if (sig_alg == NID_undef || hash_alg == NID_undef) {
return ignore_unknown;
}
for (i = 0, s = sigalg_lookup_tbl; i < OSSL_NELEM(sigalg_lookup_tbl);
i++, s++) {
if (s->hash == hash_alg && s->sig == sig_alg) {
sarg->sigalgs[sarg->sigalgcnt++] = s->sigalg;
break;
}
}
if (i == OSSL_NELEM(sigalg_lookup_tbl)) {
return ignore_unknown;
}
}
for (i = 0; i < sarg->sigalgcnt - 1; i++) {
if (sarg->sigalgs[i] == sarg->sigalgs[sarg->sigalgcnt - 1]) {
sarg->sigalgcnt--;
return 1;
}
}
return 1;
}
int tls1_set_sigalgs_list(SSL_CTX *ctx, CERT *c, const char *str, int client)
{
sig_cb_st sig;
sig.sigalgcnt = 0;
if (ctx != NULL && ssl_load_sigalgs(ctx)) {
sig.ctx = ctx;
}
if (!CONF_parse_list(str, ':', 1, sig_cb, &sig))
return 0;
if (sig.sigalgcnt == 0) {
ERR_raise_data(ERR_LIB_SSL, ERR_R_PASSED_INVALID_ARGUMENT,
"No valid signature algorithms in '%s'", str);
return 0;
}
if (c == NULL)
return 1;
return tls1_set_raw_sigalgs(c, sig.sigalgs, sig.sigalgcnt, client);
}
int tls1_set_raw_sigalgs(CERT *c, const uint16_t *psigs, size_t salglen,
int client)
{
uint16_t *sigalgs;
if ((sigalgs = OPENSSL_malloc(salglen * sizeof(*sigalgs))) == NULL)
return 0;
memcpy(sigalgs, psigs, salglen * sizeof(*sigalgs));
if (client) {
OPENSSL_free(c->client_sigalgs);
c->client_sigalgs = sigalgs;
c->client_sigalgslen = salglen;
} else {
OPENSSL_free(c->conf_sigalgs);
c->conf_sigalgs = sigalgs;
c->conf_sigalgslen = salglen;
}
return 1;
}
int tls1_set_sigalgs(CERT *c, const int *psig_nids, size_t salglen, int client)
{
uint16_t *sigalgs, *sptr;
size_t i;
if (salglen & 1)
return 0;
if ((sigalgs = OPENSSL_malloc((salglen / 2) * sizeof(*sigalgs))) == NULL)
return 0;
for (i = 0, sptr = sigalgs; i < salglen; i += 2) {
size_t j;
const SIGALG_LOOKUP *curr;
int md_id = *psig_nids++;
int sig_id = *psig_nids++;
for (j = 0, curr = sigalg_lookup_tbl; j < OSSL_NELEM(sigalg_lookup_tbl);
j++, curr++) {
if (curr->hash == md_id && curr->sig == sig_id) {
*sptr++ = curr->sigalg;
break;
}
}
if (j == OSSL_NELEM(sigalg_lookup_tbl))
goto err;
}
if (client) {
OPENSSL_free(c->client_sigalgs);
c->client_sigalgs = sigalgs;
c->client_sigalgslen = salglen / 2;
} else {
OPENSSL_free(c->conf_sigalgs);
c->conf_sigalgs = sigalgs;
c->conf_sigalgslen = salglen / 2;
}
return 1;
err:
OPENSSL_free(sigalgs);
return 0;
}
static int tls1_check_sig_alg(SSL_CONNECTION *s, X509 *x, int default_nid)
{
int sig_nid, use_pc_sigalgs = 0;
size_t i;
const SIGALG_LOOKUP *sigalg;
size_t sigalgslen;
if (default_nid == -1)
return 1;
sig_nid = X509_get_signature_nid(x);
if (default_nid)
return sig_nid == default_nid ? 1 : 0;
if (SSL_CONNECTION_IS_TLS13(s) && s->s3.tmp.peer_cert_sigalgs != NULL) {
sigalgslen = s->s3.tmp.peer_cert_sigalgslen;
use_pc_sigalgs = 1;
} else {
sigalgslen = s->shared_sigalgslen;
}
for (i = 0; i < sigalgslen; i++) {
sigalg = use_pc_sigalgs
? tls1_lookup_sigalg(s, s->s3.tmp.peer_cert_sigalgs[i])
: s->shared_sigalgs[i];
if (sigalg != NULL && sig_nid == sigalg->sigandhash)
return 1;
}
return 0;
}
static int ssl_check_ca_name(STACK_OF(X509_NAME) *names, X509 *x)
{
const X509_NAME *nm;
int i;
nm = X509_get_issuer_name(x);
for (i = 0; i < sk_X509_NAME_num(names); i++) {
if (!X509_NAME_cmp(nm, sk_X509_NAME_value(names, i)))
return 1;
}
return 0;
}
#define CERT_PKEY_VALID_FLAGS \
(CERT_PKEY_EE_SIGNATURE|CERT_PKEY_EE_PARAM)
#define CERT_PKEY_STRICT_FLAGS \
(CERT_PKEY_VALID_FLAGS|CERT_PKEY_CA_SIGNATURE|CERT_PKEY_CA_PARAM \
| CERT_PKEY_ISSUER_NAME|CERT_PKEY_CERT_TYPE)
int tls1_check_chain(SSL_CONNECTION *s, X509 *x, EVP_PKEY *pk,
STACK_OF(X509) *chain, int idx)
{
int i;
int rv = 0;
int check_flags = 0, strict_mode;
CERT_PKEY *cpk = NULL;
CERT *c = s->cert;
uint32_t *pvalid;
unsigned int suiteb_flags = tls1_suiteb(s);
if (idx != -1) {
if (idx == -2) {
cpk = c->key;
idx = (int)(cpk - c->pkeys);
} else
cpk = c->pkeys + idx;
pvalid = s->s3.tmp.valid_flags + idx;
x = cpk->x509;
pk = cpk->privatekey;
chain = cpk->chain;
strict_mode = c->cert_flags & SSL_CERT_FLAGS_CHECK_TLS_STRICT;
if (tls12_rpk_and_privkey(s, idx)) {
if (EVP_PKEY_is_a(pk, "EC") && !tls1_check_pkey_comp(s, pk))
return 0;
*pvalid = rv = CERT_PKEY_RPK;
return rv;
}
if (x == NULL || pk == NULL)
goto end;
} else {
size_t certidx;
if (x == NULL || pk == NULL)
return 0;
if (ssl_cert_lookup_by_pkey(pk, &certidx,
SSL_CONNECTION_GET_CTX(s)) == NULL)
return 0;
idx = certidx;
pvalid = s->s3.tmp.valid_flags + idx;
if (c->cert_flags & SSL_CERT_FLAGS_CHECK_TLS_STRICT)
check_flags = CERT_PKEY_STRICT_FLAGS;
else
check_flags = CERT_PKEY_VALID_FLAGS;
strict_mode = 1;
}
if (suiteb_flags) {
int ok;
if (check_flags)
check_flags |= CERT_PKEY_SUITEB;
ok = X509_chain_check_suiteb(NULL, x, chain, suiteb_flags);
if (ok == X509_V_OK)
rv |= CERT_PKEY_SUITEB;
else if (!check_flags)
goto end;
}
if (TLS1_get_version(SSL_CONNECTION_GET_SSL(s)) >= TLS1_2_VERSION
&& strict_mode) {
int default_nid;
int rsign = 0;
if (s->s3.tmp.peer_cert_sigalgs != NULL
|| s->s3.tmp.peer_sigalgs != NULL) {
default_nid = 0;
} else {
switch (idx) {
case SSL_PKEY_RSA:
rsign = EVP_PKEY_RSA;
default_nid = NID_sha1WithRSAEncryption;
break;
case SSL_PKEY_DSA_SIGN:
rsign = EVP_PKEY_DSA;
default_nid = NID_dsaWithSHA1;
break;
case SSL_PKEY_ECC:
rsign = EVP_PKEY_EC;
default_nid = NID_ecdsa_with_SHA1;
break;
case SSL_PKEY_GOST01:
rsign = NID_id_GostR3410_2001;
default_nid = NID_id_GostR3411_94_with_GostR3410_2001;
break;
case SSL_PKEY_GOST12_256:
rsign = NID_id_GostR3410_2012_256;
default_nid = NID_id_tc26_signwithdigest_gost3410_2012_256;
break;
case SSL_PKEY_GOST12_512:
rsign = NID_id_GostR3410_2012_512;
default_nid = NID_id_tc26_signwithdigest_gost3410_2012_512;
break;
default:
default_nid = -1;
break;
}
}
if (default_nid > 0 && c->conf_sigalgs) {
size_t j;
const uint16_t *p = c->conf_sigalgs;
for (j = 0; j < c->conf_sigalgslen; j++, p++) {
const SIGALG_LOOKUP *lu = tls1_lookup_sigalg(s, *p);
if (lu != NULL && lu->hash == NID_sha1 && lu->sig == rsign)
break;
}
if (j == c->conf_sigalgslen) {
if (check_flags)
goto skip_sigs;
else
goto end;
}
}
if (SSL_CONNECTION_IS_TLS13(s)) {
if (find_sig_alg(s, x, pk) != NULL)
rv |= CERT_PKEY_EE_SIGNATURE;
} else if (!tls1_check_sig_alg(s, x, default_nid)) {
if (!check_flags)
goto end;
} else
rv |= CERT_PKEY_EE_SIGNATURE;
rv |= CERT_PKEY_CA_SIGNATURE;
for (i = 0; i < sk_X509_num(chain); i++) {
if (!tls1_check_sig_alg(s, sk_X509_value(chain, i), default_nid)) {
if (check_flags) {
rv &= ~CERT_PKEY_CA_SIGNATURE;
break;
} else
goto end;
}
}
}
else if (check_flags)
rv |= CERT_PKEY_EE_SIGNATURE | CERT_PKEY_CA_SIGNATURE;
skip_sigs:
if (tls1_check_cert_param(s, x, 1))
rv |= CERT_PKEY_EE_PARAM;
else if (!check_flags)
goto end;
if (!s->server)
rv |= CERT_PKEY_CA_PARAM;
else if (strict_mode) {
rv |= CERT_PKEY_CA_PARAM;
for (i = 0; i < sk_X509_num(chain); i++) {
X509 *ca = sk_X509_value(chain, i);
if (!tls1_check_cert_param(s, ca, 0)) {
if (check_flags) {
rv &= ~CERT_PKEY_CA_PARAM;
break;
} else
goto end;
}
}
}
if (!s->server && strict_mode) {
STACK_OF(X509_NAME) *ca_dn;
int check_type = 0;
if (EVP_PKEY_is_a(pk, "RSA"))
check_type = TLS_CT_RSA_SIGN;
else if (EVP_PKEY_is_a(pk, "DSA"))
check_type = TLS_CT_DSS_SIGN;
else if (EVP_PKEY_is_a(pk, "EC"))
check_type = TLS_CT_ECDSA_SIGN;
if (check_type) {
const uint8_t *ctypes = s->s3.tmp.ctype;
size_t j;
for (j = 0; j < s->s3.tmp.ctype_len; j++, ctypes++) {
if (*ctypes == check_type) {
rv |= CERT_PKEY_CERT_TYPE;
break;
}
}
if (!(rv & CERT_PKEY_CERT_TYPE) && !check_flags)
goto end;
} else {
rv |= CERT_PKEY_CERT_TYPE;
}
ca_dn = s->s3.tmp.peer_ca_names;
if (ca_dn == NULL
|| sk_X509_NAME_num(ca_dn) == 0
|| ssl_check_ca_name(ca_dn, x))
rv |= CERT_PKEY_ISSUER_NAME;
else
for (i = 0; i < sk_X509_num(chain); i++) {
X509 *xtmp = sk_X509_value(chain, i);
if (ssl_check_ca_name(ca_dn, xtmp)) {
rv |= CERT_PKEY_ISSUER_NAME;
break;
}
}
if (!check_flags && !(rv & CERT_PKEY_ISSUER_NAME))
goto end;
} else
rv |= CERT_PKEY_ISSUER_NAME | CERT_PKEY_CERT_TYPE;
if (!check_flags || (rv & check_flags) == check_flags)
rv |= CERT_PKEY_VALID;
end:
if (TLS1_get_version(SSL_CONNECTION_GET_SSL(s)) >= TLS1_2_VERSION)
rv |= *pvalid & (CERT_PKEY_EXPLICIT_SIGN | CERT_PKEY_SIGN);
else
rv |= CERT_PKEY_SIGN | CERT_PKEY_EXPLICIT_SIGN;
if (!check_flags) {
if (rv & CERT_PKEY_VALID) {
*pvalid = rv;
} else {
*pvalid &= CERT_PKEY_EXPLICIT_SIGN | CERT_PKEY_SIGN;
return 0;
}
}
return rv;
}
void tls1_set_cert_validity(SSL_CONNECTION *s)
{
tls1_check_chain(s, NULL, NULL, NULL, SSL_PKEY_RSA);
tls1_check_chain(s, NULL, NULL, NULL, SSL_PKEY_RSA_PSS_SIGN);
tls1_check_chain(s, NULL, NULL, NULL, SSL_PKEY_DSA_SIGN);
tls1_check_chain(s, NULL, NULL, NULL, SSL_PKEY_ECC);
tls1_check_chain(s, NULL, NULL, NULL, SSL_PKEY_GOST01);
tls1_check_chain(s, NULL, NULL, NULL, SSL_PKEY_GOST12_256);
tls1_check_chain(s, NULL, NULL, NULL, SSL_PKEY_GOST12_512);
tls1_check_chain(s, NULL, NULL, NULL, SSL_PKEY_ED25519);
tls1_check_chain(s, NULL, NULL, NULL, SSL_PKEY_ED448);
}
int SSL_check_chain(SSL *s, X509 *x, EVP_PKEY *pk, STACK_OF(X509) *chain)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return 0;
return tls1_check_chain(sc, x, pk, chain, -1);
}
EVP_PKEY *ssl_get_auto_dh(SSL_CONNECTION *s)
{
EVP_PKEY *dhp = NULL;
BIGNUM *p;
int dh_secbits = 80, sec_level_bits;
EVP_PKEY_CTX *pctx = NULL;
OSSL_PARAM_BLD *tmpl = NULL;
OSSL_PARAM *params = NULL;
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
if (s->cert->dh_tmp_auto != 2) {
if (s->s3.tmp.new_cipher->algorithm_auth & (SSL_aNULL | SSL_aPSK)) {
if (s->s3.tmp.new_cipher->strength_bits == 256)
dh_secbits = 128;
else
dh_secbits = 80;
} else {
if (s->s3.tmp.cert == NULL)
return NULL;
dh_secbits = EVP_PKEY_get_security_bits(s->s3.tmp.cert->privatekey);
}
}
sec_level_bits = ssl_get_security_level_bits(SSL_CONNECTION_GET_SSL(s),
NULL, NULL);
if (dh_secbits < sec_level_bits)
dh_secbits = sec_level_bits;
if (dh_secbits >= 192)
p = BN_get_rfc3526_prime_8192(NULL);
else if (dh_secbits >= 152)
p = BN_get_rfc3526_prime_4096(NULL);
else if (dh_secbits >= 128)
p = BN_get_rfc3526_prime_3072(NULL);
else if (dh_secbits >= 112)
p = BN_get_rfc3526_prime_2048(NULL);
else
p = BN_get_rfc2409_prime_1024(NULL);
if (p == NULL)
goto err;
pctx = EVP_PKEY_CTX_new_from_name(sctx->libctx, "DH", sctx->propq);
if (pctx == NULL
|| EVP_PKEY_fromdata_init(pctx) != 1)
goto err;
tmpl = OSSL_PARAM_BLD_new();
if (tmpl == NULL
|| !OSSL_PARAM_BLD_push_BN(tmpl, OSSL_PKEY_PARAM_FFC_P, p)
|| !OSSL_PARAM_BLD_push_uint(tmpl, OSSL_PKEY_PARAM_FFC_G, 2))
goto err;
params = OSSL_PARAM_BLD_to_param(tmpl);
if (params == NULL
|| EVP_PKEY_fromdata(pctx, &dhp, EVP_PKEY_KEY_PARAMETERS, params) != 1)
goto err;
err:
OSSL_PARAM_free(params);
OSSL_PARAM_BLD_free(tmpl);
EVP_PKEY_CTX_free(pctx);
BN_free(p);
return dhp;
}
static int ssl_security_cert_key(SSL_CONNECTION *s, SSL_CTX *ctx, X509 *x,
int op)
{
int secbits = -1;
EVP_PKEY *pkey = X509_get0_pubkey(x);
if (pkey) {
secbits = EVP_PKEY_get_security_bits(pkey);
}
if (s != NULL)
return ssl_security(s, op, secbits, 0, x);
else
return ssl_ctx_security(ctx, op, secbits, 0, x);
}
static int ssl_security_cert_sig(SSL_CONNECTION *s, SSL_CTX *ctx, X509 *x,
int op)
{
int secbits, nid, pknid;
if ((X509_get_extension_flags(x) & EXFLAG_SS) != 0)
return 1;
if (!X509_get_signature_info(x, &nid, &pknid, &secbits, NULL))
secbits = -1;
if (nid == NID_undef)
nid = pknid;
if (s != NULL)
return ssl_security(s, op, secbits, nid, x);
else
return ssl_ctx_security(ctx, op, secbits, nid, x);
}
int ssl_security_cert(SSL_CONNECTION *s, SSL_CTX *ctx, X509 *x, int vfy,
int is_ee)
{
if (vfy)
vfy = SSL_SECOP_PEER;
if (is_ee) {
if (!ssl_security_cert_key(s, ctx, x, SSL_SECOP_EE_KEY | vfy))
return SSL_R_EE_KEY_TOO_SMALL;
} else {
if (!ssl_security_cert_key(s, ctx, x, SSL_SECOP_CA_KEY | vfy))
return SSL_R_CA_KEY_TOO_SMALL;
}
if (!ssl_security_cert_sig(s, ctx, x, SSL_SECOP_CA_MD | vfy))
return SSL_R_CA_MD_TOO_WEAK;
return 1;
}
int ssl_security_cert_chain(SSL_CONNECTION *s, STACK_OF(X509) *sk,
X509 *x, int vfy)
{
int rv, start_idx, i;
if (x == NULL) {
x = sk_X509_value(sk, 0);
if (x == NULL)
return ERR_R_INTERNAL_ERROR;
start_idx = 1;
} else
start_idx = 0;
rv = ssl_security_cert(s, NULL, x, vfy, 1);
if (rv != 1)
return rv;
for (i = start_idx; i < sk_X509_num(sk); i++) {
x = sk_X509_value(sk, i);
rv = ssl_security_cert(s, NULL, x, vfy, 0);
if (rv != 1)
return rv;
}
return 1;
}
static int tls12_get_cert_sigalg_idx(const SSL_CONNECTION *s,
const SIGALG_LOOKUP *lu)
{
int sig_idx = lu->sig_idx;
const SSL_CERT_LOOKUP *clu = ssl_cert_lookup_by_idx(sig_idx,
SSL_CONNECTION_GET_CTX(s));
if (clu == NULL
|| (clu->amask & s->s3.tmp.new_cipher->algorithm_auth) == 0
|| (clu->nid == EVP_PKEY_RSA_PSS
&& (s->s3.tmp.new_cipher->algorithm_mkey & SSL_kRSA) != 0))
return -1;
if (tls12_rpk_and_privkey(s, sig_idx))
return s->s3.tmp.valid_flags[sig_idx] & CERT_PKEY_RPK ? sig_idx : -1;
return s->s3.tmp.valid_flags[sig_idx] & CERT_PKEY_VALID ? sig_idx : -1;
}
static int check_cert_usable(SSL_CONNECTION *s, const SIGALG_LOOKUP *sig,
X509 *x, EVP_PKEY *pkey)
{
const SIGALG_LOOKUP *lu;
int mdnid, pknid, supported;
size_t i;
const char *mdname = NULL;
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
if (sig->hash != NID_undef)
mdname = OBJ_nid2sn(sig->hash);
supported = EVP_PKEY_digestsign_supports_digest(pkey, sctx->libctx,
mdname,
sctx->propq);
if (supported <= 0)
return 0;
if (s->s3.tmp.peer_cert_sigalgs != NULL) {
if (!X509_get_signature_info(x, &mdnid, &pknid, NULL, NULL))
return 0;
for (i = 0; i < s->s3.tmp.peer_cert_sigalgslen; i++) {
lu = tls1_lookup_sigalg(s, s->s3.tmp.peer_cert_sigalgs[i]);
if (lu == NULL)
continue;
if (mdnid == lu->hash && pknid == lu->sig)
return 1;
}
return 0;
}
return 1;
}
static int has_usable_cert(SSL_CONNECTION *s, const SIGALG_LOOKUP *sig, int idx)
{
if (idx == -1)
idx = sig->sig_idx;
if (!ssl_has_cert(s, idx))
return 0;
return check_cert_usable(s, sig, s->cert->pkeys[idx].x509,
s->cert->pkeys[idx].privatekey);
}
static int is_cert_usable(SSL_CONNECTION *s, const SIGALG_LOOKUP *sig, X509 *x,
EVP_PKEY *pkey)
{
size_t idx;
if (ssl_cert_lookup_by_pkey(pkey, &idx, SSL_CONNECTION_GET_CTX(s)) == NULL)
return 0;
if ((int)idx != sig->sig_idx)
return 0;
return check_cert_usable(s, sig, x, pkey);
}
static const SIGALG_LOOKUP *find_sig_alg(SSL_CONNECTION *s, X509 *x,
EVP_PKEY *pkey)
{
const SIGALG_LOOKUP *lu = NULL;
size_t i;
int curve = -1;
EVP_PKEY *tmppkey;
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
for (i = 0; i < s->shared_sigalgslen; i++) {
lu = s->shared_sigalgs[i];
if (lu->hash == NID_sha1
|| lu->hash == NID_sha224
|| lu->sig == EVP_PKEY_DSA
|| lu->sig == EVP_PKEY_RSA)
continue;
if (!tls1_lookup_md(sctx, lu, NULL))
continue;
if ((pkey == NULL && !has_usable_cert(s, lu, -1))
|| (pkey != NULL && !is_cert_usable(s, lu, x, pkey)))
continue;
tmppkey = (pkey != NULL) ? pkey
: s->cert->pkeys[lu->sig_idx].privatekey;
if (lu->sig == EVP_PKEY_EC) {
if (curve == -1)
curve = ssl_get_EC_curve_nid(tmppkey);
if (lu->curve != NID_undef && curve != lu->curve)
continue;
} else if (lu->sig == EVP_PKEY_RSA_PSS) {
if (!rsa_pss_check_min_key_size(sctx, tmppkey, lu))
continue;
}
break;
}
if (i == s->shared_sigalgslen)
return NULL;
return lu;
}
int tls_choose_sigalg(SSL_CONNECTION *s, int fatalerrs)
{
const SIGALG_LOOKUP *lu = NULL;
int sig_idx = -1;
s->s3.tmp.cert = NULL;
s->s3.tmp.sigalg = NULL;
if (SSL_CONNECTION_IS_TLS13(s)) {
lu = find_sig_alg(s, NULL, NULL);
if (lu == NULL) {
if (!fatalerrs)
return 1;
SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE,
SSL_R_NO_SUITABLE_SIGNATURE_ALGORITHM);
return 0;
}
} else {
if (!(s->s3.tmp.new_cipher->algorithm_auth & SSL_aCERT))
return 1;
if (!s->server && !ssl_has_cert(s, s->cert->key - s->cert->pkeys))
return 1;
if (SSL_USE_SIGALGS(s)) {
size_t i;
if (s->s3.tmp.peer_sigalgs != NULL) {
int curve = -1;
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
if (tls1_suiteb(s))
curve = ssl_get_EC_curve_nid(s->cert->pkeys[SSL_PKEY_ECC]
.privatekey);
for (i = 0; i < s->shared_sigalgslen; i++) {
lu = s->shared_sigalgs[i];
if (s->server) {
if ((sig_idx = tls12_get_cert_sigalg_idx(s, lu)) == -1)
continue;
} else {
int cc_idx = s->cert->key - s->cert->pkeys;
sig_idx = lu->sig_idx;
if (cc_idx != sig_idx)
continue;
}
if (!has_usable_cert(s, lu, sig_idx))
continue;
if (lu->sig == EVP_PKEY_RSA_PSS) {
EVP_PKEY *pkey = s->cert->pkeys[sig_idx].privatekey;
if (!rsa_pss_check_min_key_size(sctx, pkey, lu))
continue;
}
if (curve == -1 || lu->curve == curve)
break;
}
#ifndef OPENSSL_NO_GOST
if (i == s->shared_sigalgslen
&& (s->s3.tmp.new_cipher->algorithm_auth
& (SSL_aGOST01 | SSL_aGOST12)) != 0) {
if ((lu = tls1_get_legacy_sigalg(s, -1)) == NULL) {
if (!fatalerrs)
return 1;
SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE,
SSL_R_NO_SUITABLE_SIGNATURE_ALGORITHM);
return 0;
} else {
i = 0;
sig_idx = lu->sig_idx;
}
}
#endif
if (i == s->shared_sigalgslen) {
if (!fatalerrs)
return 1;
SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE,
SSL_R_NO_SUITABLE_SIGNATURE_ALGORITHM);
return 0;
}
} else {
const uint16_t *sent_sigs;
size_t sent_sigslen;
if ((lu = tls1_get_legacy_sigalg(s, -1)) == NULL) {
if (!fatalerrs)
return 1;
SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE,
SSL_R_NO_SUITABLE_SIGNATURE_ALGORITHM);
return 0;
}
sent_sigslen = tls12_get_psigalgs(s, 1, &sent_sigs);
for (i = 0; i < sent_sigslen; i++, sent_sigs++) {
if (lu->sigalg == *sent_sigs
&& has_usable_cert(s, lu, lu->sig_idx))
break;
}
if (i == sent_sigslen) {
if (!fatalerrs)
return 1;
SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE,
SSL_R_WRONG_SIGNATURE_TYPE);
return 0;
}
}
} else {
if ((lu = tls1_get_legacy_sigalg(s, -1)) == NULL) {
if (!fatalerrs)
return 1;
SSLfatal(s, SSL_AD_INTERNAL_ERROR,
SSL_R_NO_SUITABLE_SIGNATURE_ALGORITHM);
return 0;
}
}
}
if (sig_idx == -1)
sig_idx = lu->sig_idx;
s->s3.tmp.cert = &s->cert->pkeys[sig_idx];
s->cert->key = s->s3.tmp.cert;
s->s3.tmp.sigalg = lu;
return 1;
}
int SSL_CTX_set_tlsext_max_fragment_length(SSL_CTX *ctx, uint8_t mode)
{
if (mode != TLSEXT_max_fragment_length_DISABLED
&& !IS_MAX_FRAGMENT_LENGTH_EXT_VALID(mode)) {
ERR_raise(ERR_LIB_SSL, SSL_R_SSL3_EXT_INVALID_MAX_FRAGMENT_LENGTH);
return 0;
}
ctx->ext.max_fragment_len_mode = mode;
return 1;
}
int SSL_set_tlsext_max_fragment_length(SSL *ssl, uint8_t mode)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl);
if (sc == NULL
|| (IS_QUIC(ssl) && mode != TLSEXT_max_fragment_length_DISABLED))
return 0;
if (mode != TLSEXT_max_fragment_length_DISABLED
&& !IS_MAX_FRAGMENT_LENGTH_EXT_VALID(mode)) {
ERR_raise(ERR_LIB_SSL, SSL_R_SSL3_EXT_INVALID_MAX_FRAGMENT_LENGTH);
return 0;
}
sc->ext.max_fragment_len_mode = mode;
return 1;
}
uint8_t SSL_SESSION_get_max_fragment_length(const SSL_SESSION *session)
{
return session->ext.max_fragment_len_mode;
}
SSL_HMAC *ssl_hmac_new(const SSL_CTX *ctx)
{
SSL_HMAC *ret = OPENSSL_zalloc(sizeof(*ret));
EVP_MAC *mac = NULL;
if (ret == NULL)
return NULL;
#ifndef OPENSSL_NO_DEPRECATED_3_0
if (ctx->ext.ticket_key_evp_cb == NULL
&& ctx->ext.ticket_key_cb != NULL) {
if (!ssl_hmac_old_new(ret))
goto err;
return ret;
}
#endif
mac = EVP_MAC_fetch(ctx->libctx, "HMAC", ctx->propq);
if (mac == NULL || (ret->ctx = EVP_MAC_CTX_new(mac)) == NULL)
goto err;
EVP_MAC_free(mac);
return ret;
err:
EVP_MAC_CTX_free(ret->ctx);
EVP_MAC_free(mac);
OPENSSL_free(ret);
return NULL;
}
void ssl_hmac_free(SSL_HMAC *ctx)
{
if (ctx != NULL) {
EVP_MAC_CTX_free(ctx->ctx);
#ifndef OPENSSL_NO_DEPRECATED_3_0
ssl_hmac_old_free(ctx);
#endif
OPENSSL_free(ctx);
}
}
EVP_MAC_CTX *ssl_hmac_get0_EVP_MAC_CTX(SSL_HMAC *ctx)
{
return ctx->ctx;
}
int ssl_hmac_init(SSL_HMAC *ctx, void *key, size_t len, char *md)
{
OSSL_PARAM params[2], *p = params;
if (ctx->ctx != NULL) {
*p++ = OSSL_PARAM_construct_utf8_string(OSSL_MAC_PARAM_DIGEST, md, 0);
*p = OSSL_PARAM_construct_end();
if (EVP_MAC_init(ctx->ctx, key, len, params))
return 1;
}
#ifndef OPENSSL_NO_DEPRECATED_3_0
if (ctx->old_ctx != NULL)
return ssl_hmac_old_init(ctx, key, len, md);
#endif
return 0;
}
int ssl_hmac_update(SSL_HMAC *ctx, const unsigned char *data, size_t len)
{
if (ctx->ctx != NULL)
return EVP_MAC_update(ctx->ctx, data, len);
#ifndef OPENSSL_NO_DEPRECATED_3_0
if (ctx->old_ctx != NULL)
return ssl_hmac_old_update(ctx, data, len);
#endif
return 0;
}
int ssl_hmac_final(SSL_HMAC *ctx, unsigned char *md, size_t *len,
size_t max_size)
{
if (ctx->ctx != NULL)
return EVP_MAC_final(ctx->ctx, md, len, max_size);
#ifndef OPENSSL_NO_DEPRECATED_3_0
if (ctx->old_ctx != NULL)
return ssl_hmac_old_final(ctx, md, len);
#endif
return 0;
}
size_t ssl_hmac_size(const SSL_HMAC *ctx)
{
if (ctx->ctx != NULL)
return EVP_MAC_CTX_get_mac_size(ctx->ctx);
#ifndef OPENSSL_NO_DEPRECATED_3_0
if (ctx->old_ctx != NULL)
return ssl_hmac_old_size(ctx);
#endif
return 0;
}
int ssl_get_EC_curve_nid(const EVP_PKEY *pkey)
{
char gname[OSSL_MAX_NAME_SIZE];
if (EVP_PKEY_get_group_name(pkey, gname, sizeof(gname), NULL) > 0)
return OBJ_txt2nid(gname);
return NID_undef;
}
__owur int tls13_set_encoded_pub_key(EVP_PKEY *pkey,
const unsigned char *enckey,
size_t enckeylen)
{
if (EVP_PKEY_is_a(pkey, "DH")) {
int bits = EVP_PKEY_get_bits(pkey);
if (bits <= 0 || enckeylen != (size_t)bits / 8)
return 0;
} else if (EVP_PKEY_is_a(pkey, "EC")) {
if (enckeylen < 3
|| enckey[0] != 0x04)
return 0;
}
return EVP_PKEY_set1_encoded_public_key(pkey, enckey, enckeylen);
}
| ssl | openssl/ssl/t1_lib.c | openssl |
#include "internal/e_os.h"
#include <stdio.h>
#include <openssl/objects.h>
#include <openssl/rand.h>
#include "ssl_local.h"
#include "internal/time.h"
static int dtls1_handshake_write(SSL_CONNECTION *s);
static size_t dtls1_link_min_mtu(void);
static const size_t g_probable_mtu[] = { 1500, 512, 256 };
const SSL3_ENC_METHOD DTLSv1_enc_data = {
tls1_setup_key_block,
tls1_generate_master_secret,
tls1_change_cipher_state,
tls1_final_finish_mac,
TLS_MD_CLIENT_FINISH_CONST, TLS_MD_CLIENT_FINISH_CONST_SIZE,
TLS_MD_SERVER_FINISH_CONST, TLS_MD_SERVER_FINISH_CONST_SIZE,
tls1_alert_code,
tls1_export_keying_material,
SSL_ENC_FLAG_DTLS | SSL_ENC_FLAG_EXPLICIT_IV,
dtls1_set_handshake_header,
dtls1_close_construct_packet,
dtls1_handshake_write
};
const SSL3_ENC_METHOD DTLSv1_2_enc_data = {
tls1_setup_key_block,
tls1_generate_master_secret,
tls1_change_cipher_state,
tls1_final_finish_mac,
TLS_MD_CLIENT_FINISH_CONST, TLS_MD_CLIENT_FINISH_CONST_SIZE,
TLS_MD_SERVER_FINISH_CONST, TLS_MD_SERVER_FINISH_CONST_SIZE,
tls1_alert_code,
tls1_export_keying_material,
SSL_ENC_FLAG_DTLS | SSL_ENC_FLAG_EXPLICIT_IV | SSL_ENC_FLAG_SIGALGS
| SSL_ENC_FLAG_SHA256_PRF | SSL_ENC_FLAG_TLS1_2_CIPHERS,
dtls1_set_handshake_header,
dtls1_close_construct_packet,
dtls1_handshake_write
};
OSSL_TIME dtls1_default_timeout(void)
{
return ossl_seconds2time(60 * 60 * 2);
}
int dtls1_new(SSL *ssl)
{
DTLS1_STATE *d1;
SSL_CONNECTION *s = SSL_CONNECTION_FROM_SSL_ONLY(ssl);
if (s == NULL)
return 0;
if (!DTLS_RECORD_LAYER_new(&s->rlayer)) {
return 0;
}
if (!ssl3_new(ssl))
return 0;
if ((d1 = OPENSSL_zalloc(sizeof(*d1))) == NULL) {
ssl3_free(ssl);
return 0;
}
d1->buffered_messages = pqueue_new();
d1->sent_messages = pqueue_new();
if (s->server) {
d1->cookie_len = sizeof(s->d1->cookie);
}
d1->link_mtu = 0;
d1->mtu = 0;
if (d1->buffered_messages == NULL || d1->sent_messages == NULL) {
pqueue_free(d1->buffered_messages);
pqueue_free(d1->sent_messages);
OPENSSL_free(d1);
ssl3_free(ssl);
return 0;
}
s->d1 = d1;
if (!ssl->method->ssl_clear(ssl))
return 0;
return 1;
}
static void dtls1_clear_queues(SSL_CONNECTION *s)
{
dtls1_clear_received_buffer(s);
dtls1_clear_sent_buffer(s);
}
void dtls1_clear_received_buffer(SSL_CONNECTION *s)
{
pitem *item = NULL;
hm_fragment *frag = NULL;
while ((item = pqueue_pop(s->d1->buffered_messages)) != NULL) {
frag = (hm_fragment *)item->data;
dtls1_hm_fragment_free(frag);
pitem_free(item);
}
}
void dtls1_clear_sent_buffer(SSL_CONNECTION *s)
{
pitem *item = NULL;
hm_fragment *frag = NULL;
while ((item = pqueue_pop(s->d1->sent_messages)) != NULL) {
frag = (hm_fragment *)item->data;
if (frag->msg_header.is_ccs
&& frag->msg_header.saved_retransmit_state.wrlmethod != NULL
&& s->rlayer.wrl != frag->msg_header.saved_retransmit_state.wrl) {
frag->msg_header.saved_retransmit_state.wrlmethod->free(frag->msg_header.saved_retransmit_state.wrl);
}
dtls1_hm_fragment_free(frag);
pitem_free(item);
}
}
void dtls1_free(SSL *ssl)
{
SSL_CONNECTION *s = SSL_CONNECTION_FROM_SSL_ONLY(ssl);
if (s == NULL)
return;
if (s->d1 != NULL) {
dtls1_clear_queues(s);
pqueue_free(s->d1->buffered_messages);
pqueue_free(s->d1->sent_messages);
}
DTLS_RECORD_LAYER_free(&s->rlayer);
ssl3_free(ssl);
OPENSSL_free(s->d1);
s->d1 = NULL;
}
int dtls1_clear(SSL *ssl)
{
pqueue *buffered_messages;
pqueue *sent_messages;
size_t mtu;
size_t link_mtu;
SSL_CONNECTION *s = SSL_CONNECTION_FROM_SSL_ONLY(ssl);
if (s == NULL)
return 0;
DTLS_RECORD_LAYER_clear(&s->rlayer);
if (s->d1) {
DTLS_timer_cb timer_cb = s->d1->timer_cb;
buffered_messages = s->d1->buffered_messages;
sent_messages = s->d1->sent_messages;
mtu = s->d1->mtu;
link_mtu = s->d1->link_mtu;
dtls1_clear_queues(s);
memset(s->d1, 0, sizeof(*s->d1));
s->d1->timer_cb = timer_cb;
if (s->server) {
s->d1->cookie_len = sizeof(s->d1->cookie);
}
if (SSL_get_options(ssl) & SSL_OP_NO_QUERY_MTU) {
s->d1->mtu = mtu;
s->d1->link_mtu = link_mtu;
}
s->d1->buffered_messages = buffered_messages;
s->d1->sent_messages = sent_messages;
}
if (!ssl3_clear(ssl))
return 0;
if (ssl->method->version == DTLS_ANY_VERSION)
s->version = DTLS_MAX_VERSION_INTERNAL;
#ifndef OPENSSL_NO_DTLS1_METHOD
else if (s->options & SSL_OP_CISCO_ANYCONNECT)
s->client_version = s->version = DTLS1_BAD_VER;
#endif
else
s->version = ssl->method->version;
return 1;
}
long dtls1_ctrl(SSL *ssl, int cmd, long larg, void *parg)
{
int ret = 0;
OSSL_TIME t;
SSL_CONNECTION *s = SSL_CONNECTION_FROM_SSL_ONLY(ssl);
if (s == NULL)
return 0;
switch (cmd) {
case DTLS_CTRL_GET_TIMEOUT:
if (dtls1_get_timeout(s, &t)) {
*(struct timeval *)parg = ossl_time_to_timeval(t);
ret = 1;
}
break;
case DTLS_CTRL_HANDLE_TIMEOUT:
ret = dtls1_handle_timeout(s);
break;
case DTLS_CTRL_SET_LINK_MTU:
if (larg < (long)dtls1_link_min_mtu())
return 0;
s->d1->link_mtu = larg;
return 1;
case DTLS_CTRL_GET_LINK_MIN_MTU:
return (long)dtls1_link_min_mtu();
case SSL_CTRL_SET_MTU:
if (larg < (long)dtls1_link_min_mtu() - DTLS1_MAX_MTU_OVERHEAD)
return 0;
s->d1->mtu = larg;
return larg;
default:
ret = ssl3_ctrl(ssl, cmd, larg, parg);
break;
}
return ret;
}
static void dtls1_bio_set_next_timeout(BIO *bio, const DTLS1_STATE *d1)
{
struct timeval tv = ossl_time_to_timeval(d1->next_timeout);
BIO_ctrl(bio, BIO_CTRL_DGRAM_SET_NEXT_TIMEOUT, 0, &tv);
}
void dtls1_start_timer(SSL_CONNECTION *s)
{
OSSL_TIME duration;
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
#ifndef OPENSSL_NO_SCTP
if (BIO_dgram_is_sctp(SSL_get_wbio(ssl))) {
s->d1->next_timeout = ossl_time_zero();
return;
}
#endif
if (ossl_time_is_zero(s->d1->next_timeout)) {
if (s->d1->timer_cb != NULL)
s->d1->timeout_duration_us = s->d1->timer_cb(ssl, 0);
else
s->d1->timeout_duration_us = 1000000;
}
duration = ossl_us2time(s->d1->timeout_duration_us);
s->d1->next_timeout = ossl_time_add(ossl_time_now(), duration);
dtls1_bio_set_next_timeout(SSL_get_rbio(ssl), s->d1);
}
int dtls1_get_timeout(const SSL_CONNECTION *s, OSSL_TIME *timeleft)
{
OSSL_TIME timenow;
if (ossl_time_is_zero(s->d1->next_timeout))
return 0;
timenow = ossl_time_now();
*timeleft = ossl_time_subtract(s->d1->next_timeout, timenow);
if (ossl_time_compare(*timeleft, ossl_ms2time(15)) <= 0)
*timeleft = ossl_time_zero();
return 1;
}
int dtls1_is_timer_expired(SSL_CONNECTION *s)
{
OSSL_TIME timeleft;
if (!dtls1_get_timeout(s, &timeleft))
return 0;
if (!ossl_time_is_zero(timeleft))
return 0;
return 1;
}
static void dtls1_double_timeout(SSL_CONNECTION *s)
{
s->d1->timeout_duration_us *= 2;
if (s->d1->timeout_duration_us > 60000000)
s->d1->timeout_duration_us = 60000000;
}
void dtls1_stop_timer(SSL_CONNECTION *s)
{
s->d1->timeout_num_alerts = 0;
s->d1->next_timeout = ossl_time_zero();
s->d1->timeout_duration_us = 1000000;
dtls1_bio_set_next_timeout(s->rbio, s->d1);
dtls1_clear_sent_buffer(s);
}
int dtls1_check_timeout_num(SSL_CONNECTION *s)
{
size_t mtu;
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
s->d1->timeout_num_alerts++;
if (s->d1->timeout_num_alerts > 2
&& !(SSL_get_options(ssl) & SSL_OP_NO_QUERY_MTU)) {
mtu =
BIO_ctrl(SSL_get_wbio(ssl), BIO_CTRL_DGRAM_GET_FALLBACK_MTU, 0, NULL);
if (mtu < s->d1->mtu)
s->d1->mtu = mtu;
}
if (s->d1->timeout_num_alerts > DTLS1_TMO_ALERT_COUNT) {
SSLfatal(s, SSL_AD_NO_ALERT, SSL_R_READ_TIMEOUT_EXPIRED);
return -1;
}
return 0;
}
int dtls1_handle_timeout(SSL_CONNECTION *s)
{
if (!dtls1_is_timer_expired(s)) {
return 0;
}
if (s->d1->timer_cb != NULL)
s->d1->timeout_duration_us = s->d1->timer_cb(SSL_CONNECTION_GET_SSL(s),
s->d1->timeout_duration_us);
else
dtls1_double_timeout(s);
if (dtls1_check_timeout_num(s) < 0) {
return -1;
}
dtls1_start_timer(s);
return dtls1_retransmit_buffered_messages(s);
}
#define LISTEN_SUCCESS 2
#define LISTEN_SEND_VERIFY_REQUEST 1
#ifndef OPENSSL_NO_SOCK
int DTLSv1_listen(SSL *ssl, BIO_ADDR *client)
{
int next, n, ret = 0;
unsigned char cookie[DTLS1_COOKIE_LENGTH];
unsigned char seq[SEQ_NUM_SIZE];
const unsigned char *data;
unsigned char *buf = NULL, *wbuf;
size_t fragoff, fraglen, msglen;
unsigned int rectype, versmajor, versminor, msgseq, msgtype, clientvers, cookielen;
BIO *rbio, *wbio;
BIO_ADDR *tmpclient = NULL;
PACKET pkt, msgpkt, msgpayload, session, cookiepkt;
SSL_CONNECTION *s = SSL_CONNECTION_FROM_SSL_ONLY(ssl);
if (s == NULL)
return -1;
if (s->handshake_func == NULL) {
SSL_set_accept_state(ssl);
}
if (!SSL_clear(ssl))
return -1;
ERR_clear_error();
rbio = SSL_get_rbio(ssl);
wbio = SSL_get_wbio(ssl);
if (!rbio || !wbio) {
ERR_raise(ERR_LIB_SSL, SSL_R_BIO_NOT_SET);
return -1;
}
if ((s->version & 0xff00) != (DTLS1_VERSION & 0xff00)) {
ERR_raise(ERR_LIB_SSL, SSL_R_UNSUPPORTED_SSL_VERSION);
return -1;
}
buf = OPENSSL_malloc(DTLS1_RT_HEADER_LENGTH + SSL3_RT_MAX_PLAIN_LENGTH);
if (buf == NULL)
return -1;
wbuf = OPENSSL_malloc(DTLS1_RT_HEADER_LENGTH + SSL3_RT_MAX_PLAIN_LENGTH);
if (wbuf == NULL) {
OPENSSL_free(buf);
return -1;
}
do {
clear_sys_error();
n = BIO_read(rbio, buf, SSL3_RT_MAX_PLAIN_LENGTH
+ DTLS1_RT_HEADER_LENGTH);
if (n <= 0) {
if (BIO_should_retry(rbio)) {
goto end;
}
ret = -1;
goto end;
}
if (!PACKET_buf_init(&pkt, buf, n)) {
ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
ret = -1;
goto end;
}
if (n < DTLS1_RT_HEADER_LENGTH) {
ERR_raise(ERR_LIB_SSL, SSL_R_RECORD_TOO_SMALL);
goto end;
}
if (!PACKET_get_1(&pkt, &rectype)
|| !PACKET_get_1(&pkt, &versmajor)
|| !PACKET_get_1(&pkt, &versminor)) {
ERR_raise(ERR_LIB_SSL, SSL_R_LENGTH_MISMATCH);
goto end;
}
if (s->msg_callback)
s->msg_callback(0, (versmajor << 8) | versminor, SSL3_RT_HEADER, buf,
DTLS1_RT_HEADER_LENGTH, ssl, s->msg_callback_arg);
if (rectype != SSL3_RT_HANDSHAKE) {
ERR_raise(ERR_LIB_SSL, SSL_R_UNEXPECTED_MESSAGE);
goto end;
}
if (versmajor != DTLS1_VERSION_MAJOR) {
ERR_raise(ERR_LIB_SSL, SSL_R_BAD_PROTOCOL_VERSION_NUMBER);
goto end;
}
if (!PACKET_copy_bytes(&pkt, seq, SEQ_NUM_SIZE)
|| !PACKET_get_length_prefixed_2(&pkt, &msgpkt)) {
ERR_raise(ERR_LIB_SSL, SSL_R_LENGTH_MISMATCH);
goto end;
}
if (seq[0] != 0 || seq[1] != 0) {
ERR_raise(ERR_LIB_SSL, SSL_R_UNEXPECTED_MESSAGE);
goto end;
}
data = PACKET_data(&msgpkt);
if (!PACKET_get_1(&msgpkt, &msgtype)
|| !PACKET_get_net_3_len(&msgpkt, &msglen)
|| !PACKET_get_net_2(&msgpkt, &msgseq)
|| !PACKET_get_net_3_len(&msgpkt, &fragoff)
|| !PACKET_get_net_3_len(&msgpkt, &fraglen)
|| !PACKET_get_sub_packet(&msgpkt, &msgpayload, fraglen)
|| PACKET_remaining(&msgpkt) != 0) {
ERR_raise(ERR_LIB_SSL, SSL_R_LENGTH_MISMATCH);
goto end;
}
if (msgtype != SSL3_MT_CLIENT_HELLO) {
ERR_raise(ERR_LIB_SSL, SSL_R_UNEXPECTED_MESSAGE);
goto end;
}
if (msgseq > 2) {
ERR_raise(ERR_LIB_SSL, SSL_R_INVALID_SEQUENCE_NUMBER);
goto end;
}
if (fragoff != 0 || fraglen > msglen) {
ERR_raise(ERR_LIB_SSL, SSL_R_FRAGMENTED_CLIENT_HELLO);
goto end;
}
if (s->msg_callback)
s->msg_callback(0, s->version, SSL3_RT_HANDSHAKE, data,
fraglen + DTLS1_HM_HEADER_LENGTH, ssl,
s->msg_callback_arg);
if (!PACKET_get_net_2(&msgpayload, &clientvers)) {
ERR_raise(ERR_LIB_SSL, SSL_R_LENGTH_MISMATCH);
goto end;
}
if (DTLS_VERSION_LT(clientvers, (unsigned int)ssl->method->version) &&
ssl->method->version != DTLS_ANY_VERSION) {
ERR_raise(ERR_LIB_SSL, SSL_R_WRONG_VERSION_NUMBER);
goto end;
}
if (!PACKET_forward(&msgpayload, SSL3_RANDOM_SIZE)
|| !PACKET_get_length_prefixed_1(&msgpayload, &session)
|| !PACKET_get_length_prefixed_1(&msgpayload, &cookiepkt)) {
ERR_raise(ERR_LIB_SSL, SSL_R_LENGTH_MISMATCH);
goto end;
}
if (PACKET_remaining(&cookiepkt) == 0) {
next = LISTEN_SEND_VERIFY_REQUEST;
} else {
if (ssl->ctx->app_verify_cookie_cb == NULL) {
ERR_raise(ERR_LIB_SSL, SSL_R_NO_VERIFY_COOKIE_CALLBACK);
ret = -1;
goto end;
}
if (ssl->ctx->app_verify_cookie_cb(ssl, PACKET_data(&cookiepkt),
(unsigned int)PACKET_remaining(&cookiepkt)) == 0) {
next = LISTEN_SEND_VERIFY_REQUEST;
} else {
next = LISTEN_SUCCESS;
}
}
if (next == LISTEN_SEND_VERIFY_REQUEST) {
WPACKET wpkt;
unsigned int version;
size_t wreclen;
if (ssl->ctx->app_gen_cookie_cb == NULL ||
ssl->ctx->app_gen_cookie_cb(ssl, cookie, &cookielen) == 0 ||
cookielen > 255) {
ERR_raise(ERR_LIB_SSL, SSL_R_COOKIE_GEN_CALLBACK_FAILURE);
ret = -1;
goto end;
}
version = (ssl->method->version == DTLS_ANY_VERSION) ? DTLS1_VERSION
: s->version;
if (!WPACKET_init_static_len(&wpkt,
wbuf,
ssl_get_max_send_fragment(s)
+ DTLS1_RT_HEADER_LENGTH,
0)
|| !WPACKET_put_bytes_u8(&wpkt, SSL3_RT_HANDSHAKE)
|| !WPACKET_put_bytes_u16(&wpkt, version)
|| !WPACKET_memcpy(&wpkt, seq, SEQ_NUM_SIZE)
|| !WPACKET_start_sub_packet_u16(&wpkt)
|| !WPACKET_put_bytes_u8(&wpkt,
DTLS1_MT_HELLO_VERIFY_REQUEST)
|| !WPACKET_put_bytes_u24(&wpkt, 0)
|| !WPACKET_put_bytes_u16(&wpkt, 0)
|| !WPACKET_put_bytes_u24(&wpkt, 0)
|| !WPACKET_start_sub_packet_u24(&wpkt)
|| !dtls_raw_hello_verify_request(&wpkt, cookie, cookielen)
|| !WPACKET_close(&wpkt)
|| !WPACKET_close(&wpkt)
|| !WPACKET_get_total_written(&wpkt, &wreclen)
|| !WPACKET_finish(&wpkt)) {
ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
WPACKET_cleanup(&wpkt);
ret = -1;
goto end;
}
memcpy(&wbuf[DTLS1_RT_HEADER_LENGTH + 1],
&wbuf[DTLS1_RT_HEADER_LENGTH + DTLS1_HM_HEADER_LENGTH - 3],
3);
if (s->msg_callback)
s->msg_callback(1, 0, SSL3_RT_HEADER, buf,
DTLS1_RT_HEADER_LENGTH, ssl,
s->msg_callback_arg);
if ((tmpclient = BIO_ADDR_new()) == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_BIO_LIB);
goto end;
}
if (BIO_dgram_get_peer(rbio, tmpclient) > 0) {
(void)BIO_dgram_set_peer(wbio, tmpclient);
}
BIO_ADDR_free(tmpclient);
tmpclient = NULL;
if (BIO_write(wbio, wbuf, wreclen) < (int)wreclen) {
if (BIO_should_retry(wbio)) {
goto end;
}
ret = -1;
goto end;
}
if (BIO_flush(wbio) <= 0) {
if (BIO_should_retry(wbio)) {
goto end;
}
ret = -1;
goto end;
}
}
} while (next != LISTEN_SUCCESS);
s->d1->handshake_read_seq = 1;
s->d1->handshake_write_seq = 1;
s->d1->next_handshake_write_seq = 1;
s->rlayer.wrlmethod->increment_sequence_ctr(s->rlayer.wrl);
SSL_set_options(ssl, SSL_OP_COOKIE_EXCHANGE);
ossl_statem_set_hello_verify_done(s);
if (BIO_dgram_get_peer(rbio, client) <= 0)
BIO_ADDR_clear(client);
if (BIO_write(s->rlayer.rrlnext, buf, n) != n) {
ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
ret = -1;
goto end;
}
if (!ssl_set_new_record_layer(s,
DTLS_ANY_VERSION,
OSSL_RECORD_DIRECTION_READ,
OSSL_RECORD_PROTECTION_LEVEL_NONE, NULL, 0,
NULL, 0, NULL, 0, NULL, 0, NULL, 0,
NID_undef, NULL, NULL, NULL)) {
ret = -1;
goto end;
}
ret = 1;
end:
BIO_ADDR_free(tmpclient);
OPENSSL_free(buf);
OPENSSL_free(wbuf);
return ret;
}
#endif
static int dtls1_handshake_write(SSL_CONNECTION *s)
{
return dtls1_do_write(s, SSL3_RT_HANDSHAKE);
}
int dtls1_shutdown(SSL *s)
{
int ret;
#ifndef OPENSSL_NO_SCTP
BIO *wbio;
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s);
if (s == NULL)
return -1;
wbio = SSL_get_wbio(s);
if (wbio != NULL && BIO_dgram_is_sctp(wbio) &&
!(sc->shutdown & SSL_SENT_SHUTDOWN)) {
ret = BIO_dgram_sctp_wait_for_dry(wbio);
if (ret < 0)
return -1;
if (ret == 0)
BIO_ctrl(SSL_get_wbio(s), BIO_CTRL_DGRAM_SCTP_SAVE_SHUTDOWN, 1,
NULL);
}
#endif
ret = ssl3_shutdown(s);
#ifndef OPENSSL_NO_SCTP
BIO_ctrl(SSL_get_wbio(s), BIO_CTRL_DGRAM_SCTP_SAVE_SHUTDOWN, 0, NULL);
#endif
return ret;
}
int dtls1_query_mtu(SSL_CONNECTION *s)
{
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
if (s->d1->link_mtu) {
s->d1->mtu =
s->d1->link_mtu - BIO_dgram_get_mtu_overhead(SSL_get_wbio(ssl));
s->d1->link_mtu = 0;
}
if (s->d1->mtu < dtls1_min_mtu(s)) {
if (!(SSL_get_options(ssl) & SSL_OP_NO_QUERY_MTU)) {
s->d1->mtu =
BIO_ctrl(SSL_get_wbio(ssl), BIO_CTRL_DGRAM_QUERY_MTU, 0, NULL);
if (s->d1->mtu < dtls1_min_mtu(s)) {
s->d1->mtu = dtls1_min_mtu(s);
BIO_ctrl(SSL_get_wbio(ssl), BIO_CTRL_DGRAM_SET_MTU,
(long)s->d1->mtu, NULL);
}
} else
return 0;
}
return 1;
}
static size_t dtls1_link_min_mtu(void)
{
return (g_probable_mtu[(sizeof(g_probable_mtu) /
sizeof(g_probable_mtu[0])) - 1]);
}
size_t dtls1_min_mtu(SSL_CONNECTION *s)
{
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
return dtls1_link_min_mtu() - BIO_dgram_get_mtu_overhead(SSL_get_wbio(ssl));
}
size_t DTLS_get_data_mtu(const SSL *ssl)
{
size_t mac_overhead, int_overhead, blocksize, ext_overhead;
const SSL_CIPHER *ciph = SSL_get_current_cipher(ssl);
size_t mtu;
const SSL_CONNECTION *s = SSL_CONNECTION_FROM_CONST_SSL_ONLY(ssl);
if (s == NULL)
return 0;
mtu = s->d1->mtu;
if (ciph == NULL)
return 0;
if (!ssl_cipher_get_overhead(ciph, &mac_overhead, &int_overhead,
&blocksize, &ext_overhead))
return 0;
if (SSL_READ_ETM(s))
ext_overhead += mac_overhead;
else
int_overhead += mac_overhead;
if (ext_overhead + DTLS1_RT_HEADER_LENGTH >= mtu)
return 0;
mtu -= ext_overhead + DTLS1_RT_HEADER_LENGTH;
if (blocksize)
mtu -= (mtu % blocksize);
if (int_overhead >= mtu)
return 0;
mtu -= int_overhead;
return mtu;
}
void DTLS_set_timer_cb(SSL *ssl, DTLS_timer_cb cb)
{
SSL_CONNECTION *s = SSL_CONNECTION_FROM_SSL_ONLY(ssl);
if (s == NULL)
return;
s->d1->timer_cb = cb;
}
| ssl | openssl/ssl/d1_lib.c | openssl |
#include "ssl_local.h"
#ifndef OPENSSL_NO_SSL_TRACE
#include "internal/nelem.h"
typedef struct {
int num;
const char *name;
} ssl_trace_tbl;
# define ssl_trace_str(val, tbl) \
do_ssl_trace_str(val, tbl, OSSL_NELEM(tbl))
# define ssl_trace_list(bio, indent, msg, msglen, value, table) \
do_ssl_trace_list(bio, indent, msg, msglen, value, \
table, OSSL_NELEM(table))
static const char *do_ssl_trace_str(int val, const ssl_trace_tbl *tbl,
size_t ntbl)
{
size_t i;
for (i = 0; i < ntbl; i++, tbl++) {
if (tbl->num == val)
return tbl->name;
}
return "UNKNOWN";
}
static int do_ssl_trace_list(BIO *bio, int indent,
const unsigned char *msg, size_t msglen,
size_t vlen, const ssl_trace_tbl *tbl, size_t ntbl)
{
int val;
if (msglen % vlen)
return 0;
while (msglen) {
val = msg[0];
if (vlen == 2)
val = (val << 8) | msg[1];
BIO_indent(bio, indent, 80);
BIO_printf(bio, "%s (%d)\n", do_ssl_trace_str(val, tbl, ntbl), val);
msg += vlen;
msglen -= vlen;
}
return 1;
}
static const ssl_trace_tbl ssl_version_tbl[] = {
{SSL3_VERSION, "SSL 3.0"},
{TLS1_VERSION, "TLS 1.0"},
{TLS1_1_VERSION, "TLS 1.1"},
{TLS1_2_VERSION, "TLS 1.2"},
{TLS1_3_VERSION, "TLS 1.3"},
{DTLS1_VERSION, "DTLS 1.0"},
{DTLS1_2_VERSION, "DTLS 1.2"},
{DTLS1_BAD_VER, "DTLS 1.0 (bad)"}
};
static const ssl_trace_tbl ssl_content_tbl[] = {
{SSL3_RT_CHANGE_CIPHER_SPEC, "ChangeCipherSpec"},
{SSL3_RT_ALERT, "Alert"},
{SSL3_RT_HANDSHAKE, "Handshake"},
{SSL3_RT_APPLICATION_DATA, "ApplicationData"},
};
static const ssl_trace_tbl ssl_handshake_tbl[] = {
{SSL3_MT_HELLO_REQUEST, "HelloRequest"},
{SSL3_MT_CLIENT_HELLO, "ClientHello"},
{SSL3_MT_SERVER_HELLO, "ServerHello"},
{DTLS1_MT_HELLO_VERIFY_REQUEST, "HelloVerifyRequest"},
{SSL3_MT_NEWSESSION_TICKET, "NewSessionTicket"},
{SSL3_MT_END_OF_EARLY_DATA, "EndOfEarlyData"},
{SSL3_MT_ENCRYPTED_EXTENSIONS, "EncryptedExtensions"},
{SSL3_MT_CERTIFICATE, "Certificate"},
{SSL3_MT_SERVER_KEY_EXCHANGE, "ServerKeyExchange"},
{SSL3_MT_CERTIFICATE_REQUEST, "CertificateRequest"},
{SSL3_MT_SERVER_DONE, "ServerHelloDone"},
{SSL3_MT_CERTIFICATE_VERIFY, "CertificateVerify"},
{SSL3_MT_CLIENT_KEY_EXCHANGE, "ClientKeyExchange"},
{SSL3_MT_FINISHED, "Finished"},
{SSL3_MT_CERTIFICATE_URL, "CertificateUrl"},
{SSL3_MT_CERTIFICATE_STATUS, "CertificateStatus"},
{SSL3_MT_SUPPLEMENTAL_DATA, "SupplementalData"},
{SSL3_MT_KEY_UPDATE, "KeyUpdate"},
{SSL3_MT_COMPRESSED_CERTIFICATE, "CompressedCertificate"},
# ifndef OPENSSL_NO_NEXTPROTONEG
{SSL3_MT_NEXT_PROTO, "NextProto"},
# endif
{SSL3_MT_MESSAGE_HASH, "MessageHash"}
};
static const ssl_trace_tbl ssl_ciphers_tbl[] = {
{0x0000, "TLS_NULL_WITH_NULL_NULL"},
{0x0001, "TLS_RSA_WITH_NULL_MD5"},
{0x0002, "TLS_RSA_WITH_NULL_SHA"},
{0x0003, "TLS_RSA_EXPORT_WITH_RC4_40_MD5"},
{0x0004, "TLS_RSA_WITH_RC4_128_MD5"},
{0x0005, "TLS_RSA_WITH_RC4_128_SHA"},
{0x0006, "TLS_RSA_EXPORT_WITH_RC2_CBC_40_MD5"},
{0x0007, "TLS_RSA_WITH_IDEA_CBC_SHA"},
{0x0008, "TLS_RSA_EXPORT_WITH_DES40_CBC_SHA"},
{0x0009, "TLS_RSA_WITH_DES_CBC_SHA"},
{0x000A, "TLS_RSA_WITH_3DES_EDE_CBC_SHA"},
{0x000B, "TLS_DH_DSS_EXPORT_WITH_DES40_CBC_SHA"},
{0x000C, "TLS_DH_DSS_WITH_DES_CBC_SHA"},
{0x000D, "TLS_DH_DSS_WITH_3DES_EDE_CBC_SHA"},
{0x000E, "TLS_DH_RSA_EXPORT_WITH_DES40_CBC_SHA"},
{0x000F, "TLS_DH_RSA_WITH_DES_CBC_SHA"},
{0x0010, "TLS_DH_RSA_WITH_3DES_EDE_CBC_SHA"},
{0x0011, "TLS_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA"},
{0x0012, "TLS_DHE_DSS_WITH_DES_CBC_SHA"},
{0x0013, "TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA"},
{0x0014, "TLS_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA"},
{0x0015, "TLS_DHE_RSA_WITH_DES_CBC_SHA"},
{0x0016, "TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA"},
{0x0017, "TLS_DH_anon_EXPORT_WITH_RC4_40_MD5"},
{0x0018, "TLS_DH_anon_WITH_RC4_128_MD5"},
{0x0019, "TLS_DH_anon_EXPORT_WITH_DES40_CBC_SHA"},
{0x001A, "TLS_DH_anon_WITH_DES_CBC_SHA"},
{0x001B, "TLS_DH_anon_WITH_3DES_EDE_CBC_SHA"},
{0x001D, "SSL_FORTEZZA_KEA_WITH_FORTEZZA_CBC_SHA"},
{0x001E, "SSL_FORTEZZA_KEA_WITH_RC4_128_SHA"},
{0x001F, "TLS_KRB5_WITH_3DES_EDE_CBC_SHA"},
{0x0020, "TLS_KRB5_WITH_RC4_128_SHA"},
{0x0021, "TLS_KRB5_WITH_IDEA_CBC_SHA"},
{0x0022, "TLS_KRB5_WITH_DES_CBC_MD5"},
{0x0023, "TLS_KRB5_WITH_3DES_EDE_CBC_MD5"},
{0x0024, "TLS_KRB5_WITH_RC4_128_MD5"},
{0x0025, "TLS_KRB5_WITH_IDEA_CBC_MD5"},
{0x0026, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA"},
{0x0027, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_SHA"},
{0x0028, "TLS_KRB5_EXPORT_WITH_RC4_40_SHA"},
{0x0029, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5"},
{0x002A, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_MD5"},
{0x002B, "TLS_KRB5_EXPORT_WITH_RC4_40_MD5"},
{0x002C, "TLS_PSK_WITH_NULL_SHA"},
{0x002D, "TLS_DHE_PSK_WITH_NULL_SHA"},
{0x002E, "TLS_RSA_PSK_WITH_NULL_SHA"},
{0x002F, "TLS_RSA_WITH_AES_128_CBC_SHA"},
{0x0030, "TLS_DH_DSS_WITH_AES_128_CBC_SHA"},
{0x0031, "TLS_DH_RSA_WITH_AES_128_CBC_SHA"},
{0x0032, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA"},
{0x0033, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA"},
{0x0034, "TLS_DH_anon_WITH_AES_128_CBC_SHA"},
{0x0035, "TLS_RSA_WITH_AES_256_CBC_SHA"},
{0x0036, "TLS_DH_DSS_WITH_AES_256_CBC_SHA"},
{0x0037, "TLS_DH_RSA_WITH_AES_256_CBC_SHA"},
{0x0038, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA"},
{0x0039, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA"},
{0x003A, "TLS_DH_anon_WITH_AES_256_CBC_SHA"},
{0x003B, "TLS_RSA_WITH_NULL_SHA256"},
{0x003C, "TLS_RSA_WITH_AES_128_CBC_SHA256"},
{0x003D, "TLS_RSA_WITH_AES_256_CBC_SHA256"},
{0x003E, "TLS_DH_DSS_WITH_AES_128_CBC_SHA256"},
{0x003F, "TLS_DH_RSA_WITH_AES_128_CBC_SHA256"},
{0x0040, "TLS_DHE_DSS_WITH_AES_128_CBC_SHA256"},
{0x0041, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA"},
{0x0042, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA"},
{0x0043, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA"},
{0x0044, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA"},
{0x0045, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA"},
{0x0046, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA"},
{0x0067, "TLS_DHE_RSA_WITH_AES_128_CBC_SHA256"},
{0x0068, "TLS_DH_DSS_WITH_AES_256_CBC_SHA256"},
{0x0069, "TLS_DH_RSA_WITH_AES_256_CBC_SHA256"},
{0x006A, "TLS_DHE_DSS_WITH_AES_256_CBC_SHA256"},
{0x006B, "TLS_DHE_RSA_WITH_AES_256_CBC_SHA256"},
{0x006C, "TLS_DH_anon_WITH_AES_128_CBC_SHA256"},
{0x006D, "TLS_DH_anon_WITH_AES_256_CBC_SHA256"},
{0x0081, "TLS_GOSTR341001_WITH_28147_CNT_IMIT"},
{0x0083, "TLS_GOSTR341001_WITH_NULL_GOSTR3411"},
{0x0084, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA"},
{0x0085, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA"},
{0x0086, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA"},
{0x0087, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA"},
{0x0088, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA"},
{0x0089, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA"},
{0x008A, "TLS_PSK_WITH_RC4_128_SHA"},
{0x008B, "TLS_PSK_WITH_3DES_EDE_CBC_SHA"},
{0x008C, "TLS_PSK_WITH_AES_128_CBC_SHA"},
{0x008D, "TLS_PSK_WITH_AES_256_CBC_SHA"},
{0x008E, "TLS_DHE_PSK_WITH_RC4_128_SHA"},
{0x008F, "TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA"},
{0x0090, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA"},
{0x0091, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA"},
{0x0092, "TLS_RSA_PSK_WITH_RC4_128_SHA"},
{0x0093, "TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA"},
{0x0094, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA"},
{0x0095, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA"},
{0x0096, "TLS_RSA_WITH_SEED_CBC_SHA"},
{0x0097, "TLS_DH_DSS_WITH_SEED_CBC_SHA"},
{0x0098, "TLS_DH_RSA_WITH_SEED_CBC_SHA"},
{0x0099, "TLS_DHE_DSS_WITH_SEED_CBC_SHA"},
{0x009A, "TLS_DHE_RSA_WITH_SEED_CBC_SHA"},
{0x009B, "TLS_DH_anon_WITH_SEED_CBC_SHA"},
{0x009C, "TLS_RSA_WITH_AES_128_GCM_SHA256"},
{0x009D, "TLS_RSA_WITH_AES_256_GCM_SHA384"},
{0x009E, "TLS_DHE_RSA_WITH_AES_128_GCM_SHA256"},
{0x009F, "TLS_DHE_RSA_WITH_AES_256_GCM_SHA384"},
{0x00A0, "TLS_DH_RSA_WITH_AES_128_GCM_SHA256"},
{0x00A1, "TLS_DH_RSA_WITH_AES_256_GCM_SHA384"},
{0x00A2, "TLS_DHE_DSS_WITH_AES_128_GCM_SHA256"},
{0x00A3, "TLS_DHE_DSS_WITH_AES_256_GCM_SHA384"},
{0x00A4, "TLS_DH_DSS_WITH_AES_128_GCM_SHA256"},
{0x00A5, "TLS_DH_DSS_WITH_AES_256_GCM_SHA384"},
{0x00A6, "TLS_DH_anon_WITH_AES_128_GCM_SHA256"},
{0x00A7, "TLS_DH_anon_WITH_AES_256_GCM_SHA384"},
{0x00A8, "TLS_PSK_WITH_AES_128_GCM_SHA256"},
{0x00A9, "TLS_PSK_WITH_AES_256_GCM_SHA384"},
{0x00AA, "TLS_DHE_PSK_WITH_AES_128_GCM_SHA256"},
{0x00AB, "TLS_DHE_PSK_WITH_AES_256_GCM_SHA384"},
{0x00AC, "TLS_RSA_PSK_WITH_AES_128_GCM_SHA256"},
{0x00AD, "TLS_RSA_PSK_WITH_AES_256_GCM_SHA384"},
{0x00AE, "TLS_PSK_WITH_AES_128_CBC_SHA256"},
{0x00AF, "TLS_PSK_WITH_AES_256_CBC_SHA384"},
{0x00B0, "TLS_PSK_WITH_NULL_SHA256"},
{0x00B1, "TLS_PSK_WITH_NULL_SHA384"},
{0x00B2, "TLS_DHE_PSK_WITH_AES_128_CBC_SHA256"},
{0x00B3, "TLS_DHE_PSK_WITH_AES_256_CBC_SHA384"},
{0x00B4, "TLS_DHE_PSK_WITH_NULL_SHA256"},
{0x00B5, "TLS_DHE_PSK_WITH_NULL_SHA384"},
{0x00B6, "TLS_RSA_PSK_WITH_AES_128_CBC_SHA256"},
{0x00B7, "TLS_RSA_PSK_WITH_AES_256_CBC_SHA384"},
{0x00B8, "TLS_RSA_PSK_WITH_NULL_SHA256"},
{0x00B9, "TLS_RSA_PSK_WITH_NULL_SHA384"},
{0x00BA, "TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
{0x00BB, "TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA256"},
{0x00BC, "TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
{0x00BD, "TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA256"},
{0x00BE, "TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
{0x00BF, "TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA256"},
{0x00C0, "TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
{0x00C1, "TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA256"},
{0x00C2, "TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
{0x00C3, "TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA256"},
{0x00C4, "TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256"},
{0x00C5, "TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA256"},
{0x00FF, "TLS_EMPTY_RENEGOTIATION_INFO_SCSV"},
{0x5600, "TLS_FALLBACK_SCSV"},
{0xC001, "TLS_ECDH_ECDSA_WITH_NULL_SHA"},
{0xC002, "TLS_ECDH_ECDSA_WITH_RC4_128_SHA"},
{0xC003, "TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA"},
{0xC004, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA"},
{0xC005, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA"},
{0xC006, "TLS_ECDHE_ECDSA_WITH_NULL_SHA"},
{0xC007, "TLS_ECDHE_ECDSA_WITH_RC4_128_SHA"},
{0xC008, "TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA"},
{0xC009, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA"},
{0xC00A, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA"},
{0xC00B, "TLS_ECDH_RSA_WITH_NULL_SHA"},
{0xC00C, "TLS_ECDH_RSA_WITH_RC4_128_SHA"},
{0xC00D, "TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA"},
{0xC00E, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA"},
{0xC00F, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA"},
{0xC010, "TLS_ECDHE_RSA_WITH_NULL_SHA"},
{0xC011, "TLS_ECDHE_RSA_WITH_RC4_128_SHA"},
{0xC012, "TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA"},
{0xC013, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA"},
{0xC014, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA"},
{0xC015, "TLS_ECDH_anon_WITH_NULL_SHA"},
{0xC016, "TLS_ECDH_anon_WITH_RC4_128_SHA"},
{0xC017, "TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA"},
{0xC018, "TLS_ECDH_anon_WITH_AES_128_CBC_SHA"},
{0xC019, "TLS_ECDH_anon_WITH_AES_256_CBC_SHA"},
{0xC01A, "TLS_SRP_SHA_WITH_3DES_EDE_CBC_SHA"},
{0xC01B, "TLS_SRP_SHA_RSA_WITH_3DES_EDE_CBC_SHA"},
{0xC01C, "TLS_SRP_SHA_DSS_WITH_3DES_EDE_CBC_SHA"},
{0xC01D, "TLS_SRP_SHA_WITH_AES_128_CBC_SHA"},
{0xC01E, "TLS_SRP_SHA_RSA_WITH_AES_128_CBC_SHA"},
{0xC01F, "TLS_SRP_SHA_DSS_WITH_AES_128_CBC_SHA"},
{0xC020, "TLS_SRP_SHA_WITH_AES_256_CBC_SHA"},
{0xC021, "TLS_SRP_SHA_RSA_WITH_AES_256_CBC_SHA"},
{0xC022, "TLS_SRP_SHA_DSS_WITH_AES_256_CBC_SHA"},
{0xC023, "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256"},
{0xC024, "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384"},
{0xC025, "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256"},
{0xC026, "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384"},
{0xC027, "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256"},
{0xC028, "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384"},
{0xC029, "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256"},
{0xC02A, "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384"},
{0xC02B, "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256"},
{0xC02C, "TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384"},
{0xC02D, "TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256"},
{0xC02E, "TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384"},
{0xC02F, "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256"},
{0xC030, "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384"},
{0xC031, "TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256"},
{0xC032, "TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384"},
{0xC033, "TLS_ECDHE_PSK_WITH_RC4_128_SHA"},
{0xC034, "TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA"},
{0xC035, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA"},
{0xC036, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA"},
{0xC037, "TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256"},
{0xC038, "TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384"},
{0xC039, "TLS_ECDHE_PSK_WITH_NULL_SHA"},
{0xC03A, "TLS_ECDHE_PSK_WITH_NULL_SHA256"},
{0xC03B, "TLS_ECDHE_PSK_WITH_NULL_SHA384"},
{0xC03C, "TLS_RSA_WITH_ARIA_128_CBC_SHA256"},
{0xC03D, "TLS_RSA_WITH_ARIA_256_CBC_SHA384"},
{0xC03E, "TLS_DH_DSS_WITH_ARIA_128_CBC_SHA256"},
{0xC03F, "TLS_DH_DSS_WITH_ARIA_256_CBC_SHA384"},
{0xC040, "TLS_DH_RSA_WITH_ARIA_128_CBC_SHA256"},
{0xC041, "TLS_DH_RSA_WITH_ARIA_256_CBC_SHA384"},
{0xC042, "TLS_DHE_DSS_WITH_ARIA_128_CBC_SHA256"},
{0xC043, "TLS_DHE_DSS_WITH_ARIA_256_CBC_SHA384"},
{0xC044, "TLS_DHE_RSA_WITH_ARIA_128_CBC_SHA256"},
{0xC045, "TLS_DHE_RSA_WITH_ARIA_256_CBC_SHA384"},
{0xC046, "TLS_DH_anon_WITH_ARIA_128_CBC_SHA256"},
{0xC047, "TLS_DH_anon_WITH_ARIA_256_CBC_SHA384"},
{0xC048, "TLS_ECDHE_ECDSA_WITH_ARIA_128_CBC_SHA256"},
{0xC049, "TLS_ECDHE_ECDSA_WITH_ARIA_256_CBC_SHA384"},
{0xC04A, "TLS_ECDH_ECDSA_WITH_ARIA_128_CBC_SHA256"},
{0xC04B, "TLS_ECDH_ECDSA_WITH_ARIA_256_CBC_SHA384"},
{0xC04C, "TLS_ECDHE_RSA_WITH_ARIA_128_CBC_SHA256"},
{0xC04D, "TLS_ECDHE_RSA_WITH_ARIA_256_CBC_SHA384"},
{0xC04E, "TLS_ECDH_RSA_WITH_ARIA_128_CBC_SHA256"},
{0xC04F, "TLS_ECDH_RSA_WITH_ARIA_256_CBC_SHA384"},
{0xC050, "TLS_RSA_WITH_ARIA_128_GCM_SHA256"},
{0xC051, "TLS_RSA_WITH_ARIA_256_GCM_SHA384"},
{0xC052, "TLS_DHE_RSA_WITH_ARIA_128_GCM_SHA256"},
{0xC053, "TLS_DHE_RSA_WITH_ARIA_256_GCM_SHA384"},
{0xC054, "TLS_DH_RSA_WITH_ARIA_128_GCM_SHA256"},
{0xC055, "TLS_DH_RSA_WITH_ARIA_256_GCM_SHA384"},
{0xC056, "TLS_DHE_DSS_WITH_ARIA_128_GCM_SHA256"},
{0xC057, "TLS_DHE_DSS_WITH_ARIA_256_GCM_SHA384"},
{0xC058, "TLS_DH_DSS_WITH_ARIA_128_GCM_SHA256"},
{0xC059, "TLS_DH_DSS_WITH_ARIA_256_GCM_SHA384"},
{0xC05A, "TLS_DH_anon_WITH_ARIA_128_GCM_SHA256"},
{0xC05B, "TLS_DH_anon_WITH_ARIA_256_GCM_SHA384"},
{0xC05C, "TLS_ECDHE_ECDSA_WITH_ARIA_128_GCM_SHA256"},
{0xC05D, "TLS_ECDHE_ECDSA_WITH_ARIA_256_GCM_SHA384"},
{0xC05E, "TLS_ECDH_ECDSA_WITH_ARIA_128_GCM_SHA256"},
{0xC05F, "TLS_ECDH_ECDSA_WITH_ARIA_256_GCM_SHA384"},
{0xC060, "TLS_ECDHE_RSA_WITH_ARIA_128_GCM_SHA256"},
{0xC061, "TLS_ECDHE_RSA_WITH_ARIA_256_GCM_SHA384"},
{0xC062, "TLS_ECDH_RSA_WITH_ARIA_128_GCM_SHA256"},
{0xC063, "TLS_ECDH_RSA_WITH_ARIA_256_GCM_SHA384"},
{0xC064, "TLS_PSK_WITH_ARIA_128_CBC_SHA256"},
{0xC065, "TLS_PSK_WITH_ARIA_256_CBC_SHA384"},
{0xC066, "TLS_DHE_PSK_WITH_ARIA_128_CBC_SHA256"},
{0xC067, "TLS_DHE_PSK_WITH_ARIA_256_CBC_SHA384"},
{0xC068, "TLS_RSA_PSK_WITH_ARIA_128_CBC_SHA256"},
{0xC069, "TLS_RSA_PSK_WITH_ARIA_256_CBC_SHA384"},
{0xC06A, "TLS_PSK_WITH_ARIA_128_GCM_SHA256"},
{0xC06B, "TLS_PSK_WITH_ARIA_256_GCM_SHA384"},
{0xC06C, "TLS_DHE_PSK_WITH_ARIA_128_GCM_SHA256"},
{0xC06D, "TLS_DHE_PSK_WITH_ARIA_256_GCM_SHA384"},
{0xC06E, "TLS_RSA_PSK_WITH_ARIA_128_GCM_SHA256"},
{0xC06F, "TLS_RSA_PSK_WITH_ARIA_256_GCM_SHA384"},
{0xC070, "TLS_ECDHE_PSK_WITH_ARIA_128_CBC_SHA256"},
{0xC071, "TLS_ECDHE_PSK_WITH_ARIA_256_CBC_SHA384"},
{0xC072, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_CBC_SHA256"},
{0xC073, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384"},
{0xC074, "TLS_ECDH_ECDSA_WITH_CAMELLIA_128_CBC_SHA256"},
{0xC075, "TLS_ECDH_ECDSA_WITH_CAMELLIA_256_CBC_SHA384"},
{0xC076, "TLS_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
{0xC077, "TLS_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384"},
{0xC078, "TLS_ECDH_RSA_WITH_CAMELLIA_128_CBC_SHA256"},
{0xC079, "TLS_ECDH_RSA_WITH_CAMELLIA_256_CBC_SHA384"},
{0xC07A, "TLS_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
{0xC07B, "TLS_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
{0xC07C, "TLS_DHE_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
{0xC07D, "TLS_DHE_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
{0xC07E, "TLS_DH_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
{0xC07F, "TLS_DH_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
{0xC080, "TLS_DHE_DSS_WITH_CAMELLIA_128_GCM_SHA256"},
{0xC081, "TLS_DHE_DSS_WITH_CAMELLIA_256_GCM_SHA384"},
{0xC082, "TLS_DH_DSS_WITH_CAMELLIA_128_GCM_SHA256"},
{0xC083, "TLS_DH_DSS_WITH_CAMELLIA_256_GCM_SHA384"},
{0xC084, "TLS_DH_anon_WITH_CAMELLIA_128_GCM_SHA256"},
{0xC085, "TLS_DH_anon_WITH_CAMELLIA_256_GCM_SHA384"},
{0xC086, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_GCM_SHA256"},
{0xC087, "TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_GCM_SHA384"},
{0xC088, "TLS_ECDH_ECDSA_WITH_CAMELLIA_128_GCM_SHA256"},
{0xC089, "TLS_ECDH_ECDSA_WITH_CAMELLIA_256_GCM_SHA384"},
{0xC08A, "TLS_ECDHE_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
{0xC08B, "TLS_ECDHE_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
{0xC08C, "TLS_ECDH_RSA_WITH_CAMELLIA_128_GCM_SHA256"},
{0xC08D, "TLS_ECDH_RSA_WITH_CAMELLIA_256_GCM_SHA384"},
{0xC08E, "TLS_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
{0xC08F, "TLS_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
{0xC090, "TLS_DHE_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
{0xC091, "TLS_DHE_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
{0xC092, "TLS_RSA_PSK_WITH_CAMELLIA_128_GCM_SHA256"},
{0xC093, "TLS_RSA_PSK_WITH_CAMELLIA_256_GCM_SHA384"},
{0xC094, "TLS_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
{0xC095, "TLS_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
{0xC096, "TLS_DHE_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
{0xC097, "TLS_DHE_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
{0xC098, "TLS_RSA_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
{0xC099, "TLS_RSA_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
{0xC09A, "TLS_ECDHE_PSK_WITH_CAMELLIA_128_CBC_SHA256"},
{0xC09B, "TLS_ECDHE_PSK_WITH_CAMELLIA_256_CBC_SHA384"},
{0xC09C, "TLS_RSA_WITH_AES_128_CCM"},
{0xC09D, "TLS_RSA_WITH_AES_256_CCM"},
{0xC09E, "TLS_DHE_RSA_WITH_AES_128_CCM"},
{0xC09F, "TLS_DHE_RSA_WITH_AES_256_CCM"},
{0xC0A0, "TLS_RSA_WITH_AES_128_CCM_8"},
{0xC0A1, "TLS_RSA_WITH_AES_256_CCM_8"},
{0xC0A2, "TLS_DHE_RSA_WITH_AES_128_CCM_8"},
{0xC0A3, "TLS_DHE_RSA_WITH_AES_256_CCM_8"},
{0xC0A4, "TLS_PSK_WITH_AES_128_CCM"},
{0xC0A5, "TLS_PSK_WITH_AES_256_CCM"},
{0xC0A6, "TLS_DHE_PSK_WITH_AES_128_CCM"},
{0xC0A7, "TLS_DHE_PSK_WITH_AES_256_CCM"},
{0xC0A8, "TLS_PSK_WITH_AES_128_CCM_8"},
{0xC0A9, "TLS_PSK_WITH_AES_256_CCM_8"},
{0xC0AA, "TLS_PSK_DHE_WITH_AES_128_CCM_8"},
{0xC0AB, "TLS_PSK_DHE_WITH_AES_256_CCM_8"},
{0xC0AC, "TLS_ECDHE_ECDSA_WITH_AES_128_CCM"},
{0xC0AD, "TLS_ECDHE_ECDSA_WITH_AES_256_CCM"},
{0xC0AE, "TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8"},
{0xC0AF, "TLS_ECDHE_ECDSA_WITH_AES_256_CCM_8"},
{0xC102, "IANA-GOST2012-GOST8912-GOST8912"},
{0xCCA8, "TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256"},
{0xCCA9, "TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256"},
{0xCCAA, "TLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256"},
{0xCCAB, "TLS_PSK_WITH_CHACHA20_POLY1305_SHA256"},
{0xCCAC, "TLS_ECDHE_PSK_WITH_CHACHA20_POLY1305_SHA256"},
{0xCCAD, "TLS_DHE_PSK_WITH_CHACHA20_POLY1305_SHA256"},
{0xCCAE, "TLS_RSA_PSK_WITH_CHACHA20_POLY1305_SHA256"},
{0x1301, "TLS_AES_128_GCM_SHA256"},
{0x1302, "TLS_AES_256_GCM_SHA384"},
{0x1303, "TLS_CHACHA20_POLY1305_SHA256"},
{0x1304, "TLS_AES_128_CCM_SHA256"},
{0x1305, "TLS_AES_128_CCM_8_SHA256"},
{0xFEFE, "SSL_RSA_FIPS_WITH_DES_CBC_SHA"},
{0xFEFF, "SSL_RSA_FIPS_WITH_3DES_EDE_CBC_SHA"},
{0xFF85, "LEGACY-GOST2012-GOST8912-GOST8912"},
{0xFF87, "GOST2012-NULL-GOST12"},
{0xC100, "GOST2012-KUZNYECHIK-KUZNYECHIKOMAC"},
{0xC101, "GOST2012-MAGMA-MAGMAOMAC"},
{0xC102, "GOST2012-GOST8912-IANA"},
};
static const ssl_trace_tbl ssl_comp_tbl[] = {
{0x0000, "No Compression"},
{0x0001, "Zlib Compression"}
};
static const ssl_trace_tbl ssl_exts_tbl[] = {
{TLSEXT_TYPE_server_name, "server_name"},
{TLSEXT_TYPE_max_fragment_length, "max_fragment_length"},
{TLSEXT_TYPE_client_certificate_url, "client_certificate_url"},
{TLSEXT_TYPE_trusted_ca_keys, "trusted_ca_keys"},
{TLSEXT_TYPE_truncated_hmac, "truncated_hmac"},
{TLSEXT_TYPE_status_request, "status_request"},
{TLSEXT_TYPE_user_mapping, "user_mapping"},
{TLSEXT_TYPE_client_authz, "client_authz"},
{TLSEXT_TYPE_server_authz, "server_authz"},
{TLSEXT_TYPE_cert_type, "cert_type"},
{TLSEXT_TYPE_supported_groups, "supported_groups"},
{TLSEXT_TYPE_ec_point_formats, "ec_point_formats"},
{TLSEXT_TYPE_srp, "srp"},
{TLSEXT_TYPE_signature_algorithms, "signature_algorithms"},
{TLSEXT_TYPE_use_srtp, "use_srtp"},
{TLSEXT_TYPE_application_layer_protocol_negotiation,
"application_layer_protocol_negotiation"},
{TLSEXT_TYPE_signed_certificate_timestamp, "signed_certificate_timestamps"},
{TLSEXT_TYPE_client_cert_type, "client_cert_type"},
{TLSEXT_TYPE_server_cert_type, "server_cert_type"},
{TLSEXT_TYPE_padding, "padding"},
{TLSEXT_TYPE_encrypt_then_mac, "encrypt_then_mac"},
{TLSEXT_TYPE_extended_master_secret, "extended_master_secret"},
{TLSEXT_TYPE_compress_certificate, "compress_certificate"},
{TLSEXT_TYPE_session_ticket, "session_ticket"},
{TLSEXT_TYPE_psk, "psk"},
{TLSEXT_TYPE_early_data, "early_data"},
{TLSEXT_TYPE_supported_versions, "supported_versions"},
{TLSEXT_TYPE_cookie, "cookie_ext"},
{TLSEXT_TYPE_psk_kex_modes, "psk_key_exchange_modes"},
{TLSEXT_TYPE_certificate_authorities, "certificate_authorities"},
{TLSEXT_TYPE_post_handshake_auth, "post_handshake_auth"},
{TLSEXT_TYPE_signature_algorithms_cert, "signature_algorithms_cert"},
{TLSEXT_TYPE_key_share, "key_share"},
{TLSEXT_TYPE_renegotiate, "renegotiate"},
# ifndef OPENSSL_NO_NEXTPROTONEG
{TLSEXT_TYPE_next_proto_neg, "next_proto_neg"},
# endif
};
static const ssl_trace_tbl ssl_groups_tbl[] = {
{1, "sect163k1 (K-163)"},
{2, "sect163r1"},
{3, "sect163r2 (B-163)"},
{4, "sect193r1"},
{5, "sect193r2"},
{6, "sect233k1 (K-233)"},
{7, "sect233r1 (B-233)"},
{8, "sect239k1"},
{9, "sect283k1 (K-283)"},
{10, "sect283r1 (B-283)"},
{11, "sect409k1 (K-409)"},
{12, "sect409r1 (B-409)"},
{13, "sect571k1 (K-571)"},
{14, "sect571r1 (B-571)"},
{15, "secp160k1"},
{16, "secp160r1"},
{17, "secp160r2"},
{18, "secp192k1"},
{19, "secp192r1 (P-192)"},
{20, "secp224k1"},
{21, "secp224r1 (P-224)"},
{22, "secp256k1"},
{23, "secp256r1 (P-256)"},
{24, "secp384r1 (P-384)"},
{25, "secp521r1 (P-521)"},
{26, "brainpoolP256r1"},
{27, "brainpoolP384r1"},
{28, "brainpoolP512r1"},
{29, "ecdh_x25519"},
{30, "ecdh_x448"},
{31, "brainpoolP256r1tls13"},
{32, "brainpoolP384r1tls13"},
{33, "brainpoolP512r1tls13"},
{34, "GC256A"},
{35, "GC256B"},
{36, "GC256C"},
{37, "GC256D"},
{38, "GC512A"},
{39, "GC512B"},
{40, "GC512C"},
{256, "ffdhe2048"},
{257, "ffdhe3072"},
{258, "ffdhe4096"},
{259, "ffdhe6144"},
{260, "ffdhe8192"},
{25497, "X25519Kyber768Draft00"},
{25498, "SecP256r1Kyber768Draft00"},
{0xFF01, "arbitrary_explicit_prime_curves"},
{0xFF02, "arbitrary_explicit_char2_curves"}
};
static const ssl_trace_tbl ssl_point_tbl[] = {
{0, "uncompressed"},
{1, "ansiX962_compressed_prime"},
{2, "ansiX962_compressed_char2"}
};
static const ssl_trace_tbl ssl_mfl_tbl[] = {
{0, "disabled"},
{1, "max_fragment_length := 2^9 (512 bytes)"},
{2, "max_fragment_length := 2^10 (1024 bytes)"},
{3, "max_fragment_length := 2^11 (2048 bytes)"},
{4, "max_fragment_length := 2^12 (4096 bytes)"}
};
static const ssl_trace_tbl ssl_sigalg_tbl[] = {
{TLSEXT_SIGALG_ecdsa_secp256r1_sha256, "ecdsa_secp256r1_sha256"},
{TLSEXT_SIGALG_ecdsa_secp384r1_sha384, "ecdsa_secp384r1_sha384"},
{TLSEXT_SIGALG_ecdsa_secp521r1_sha512, "ecdsa_secp521r1_sha512"},
{TLSEXT_SIGALG_ecdsa_sha224, "ecdsa_sha224"},
{TLSEXT_SIGALG_ed25519, "ed25519"},
{TLSEXT_SIGALG_ed448, "ed448"},
{TLSEXT_SIGALG_ecdsa_sha1, "ecdsa_sha1"},
{TLSEXT_SIGALG_rsa_pss_rsae_sha256, "rsa_pss_rsae_sha256"},
{TLSEXT_SIGALG_rsa_pss_rsae_sha384, "rsa_pss_rsae_sha384"},
{TLSEXT_SIGALG_rsa_pss_rsae_sha512, "rsa_pss_rsae_sha512"},
{TLSEXT_SIGALG_rsa_pss_pss_sha256, "rsa_pss_pss_sha256"},
{TLSEXT_SIGALG_rsa_pss_pss_sha384, "rsa_pss_pss_sha384"},
{TLSEXT_SIGALG_rsa_pss_pss_sha512, "rsa_pss_pss_sha512"},
{TLSEXT_SIGALG_rsa_pkcs1_sha256, "rsa_pkcs1_sha256"},
{TLSEXT_SIGALG_rsa_pkcs1_sha384, "rsa_pkcs1_sha384"},
{TLSEXT_SIGALG_rsa_pkcs1_sha512, "rsa_pkcs1_sha512"},
{TLSEXT_SIGALG_rsa_pkcs1_sha224, "rsa_pkcs1_sha224"},
{TLSEXT_SIGALG_rsa_pkcs1_sha1, "rsa_pkcs1_sha1"},
{TLSEXT_SIGALG_dsa_sha256, "dsa_sha256"},
{TLSEXT_SIGALG_dsa_sha384, "dsa_sha384"},
{TLSEXT_SIGALG_dsa_sha512, "dsa_sha512"},
{TLSEXT_SIGALG_dsa_sha224, "dsa_sha224"},
{TLSEXT_SIGALG_dsa_sha1, "dsa_sha1"},
{TLSEXT_SIGALG_gostr34102012_256_intrinsic, "gost2012_256"},
{TLSEXT_SIGALG_gostr34102012_512_intrinsic, "gost2012_512"},
{TLSEXT_SIGALG_gostr34102012_256_gostr34112012_256, "gost2012_256"},
{TLSEXT_SIGALG_gostr34102012_512_gostr34112012_512, "gost2012_512"},
{TLSEXT_SIGALG_gostr34102001_gostr3411, "gost2001_gost94"},
{TLSEXT_SIGALG_ecdsa_brainpoolP256r1_sha256, "ecdsa_brainpoolP256r1_sha256"},
{TLSEXT_SIGALG_ecdsa_brainpoolP384r1_sha384, "ecdsa_brainpoolP384r1_sha384"},
{TLSEXT_SIGALG_ecdsa_brainpoolP512r1_sha512, "ecdsa_brainpoolP512r1_sha512"},
};
static const ssl_trace_tbl ssl_ctype_tbl[] = {
{1, "rsa_sign"},
{2, "dss_sign"},
{3, "rsa_fixed_dh"},
{4, "dss_fixed_dh"},
{5, "rsa_ephemeral_dh"},
{6, "dss_ephemeral_dh"},
{20, "fortezza_dms"},
{64, "ecdsa_sign"},
{65, "rsa_fixed_ecdh"},
{66, "ecdsa_fixed_ecdh"},
{67, "gost_sign256"},
{68, "gost_sign512"},
};
static const ssl_trace_tbl ssl_psk_kex_modes_tbl[] = {
{TLSEXT_KEX_MODE_KE, "psk_ke"},
{TLSEXT_KEX_MODE_KE_DHE, "psk_dhe_ke"}
};
static const ssl_trace_tbl ssl_key_update_tbl[] = {
{SSL_KEY_UPDATE_NOT_REQUESTED, "update_not_requested"},
{SSL_KEY_UPDATE_REQUESTED, "update_requested"}
};
static const ssl_trace_tbl ssl_comp_cert_tbl[] = {
{TLSEXT_comp_cert_none, "none"},
{TLSEXT_comp_cert_zlib, "zlib"},
{TLSEXT_comp_cert_brotli, "brotli"},
{TLSEXT_comp_cert_zstd, "zstd"}
};
static const ssl_trace_tbl ssl_cert_type_tbl[] = {
{TLSEXT_cert_type_x509, "x509"},
{TLSEXT_cert_type_pgp, "pgp"},
{TLSEXT_cert_type_rpk, "rpk"},
{TLSEXT_cert_type_1609dot2, "1609dot2"}
};
static void ssl_print_hex(BIO *bio, int indent, const char *name,
const unsigned char *msg, size_t msglen)
{
size_t i;
BIO_indent(bio, indent, 80);
BIO_printf(bio, "%s (len=%d): ", name, (int)msglen);
for (i = 0; i < msglen; i++)
BIO_printf(bio, "%02X", msg[i]);
BIO_puts(bio, "\n");
}
static int ssl_print_hexbuf(BIO *bio, int indent, const char *name, size_t nlen,
const unsigned char **pmsg, size_t *pmsglen)
{
size_t blen;
const unsigned char *p = *pmsg;
if (*pmsglen < nlen)
return 0;
blen = p[0];
if (nlen > 1)
blen = (blen << 8) | p[1];
if (*pmsglen < nlen + blen)
return 0;
p += nlen;
ssl_print_hex(bio, indent, name, p, blen);
*pmsg += blen + nlen;
*pmsglen -= blen + nlen;
return 1;
}
static int ssl_print_version(BIO *bio, int indent, const char *name,
const unsigned char **pmsg, size_t *pmsglen,
unsigned int *version)
{
int vers;
if (*pmsglen < 2)
return 0;
vers = ((*pmsg)[0] << 8) | (*pmsg)[1];
if (version != NULL)
*version = vers;
BIO_indent(bio, indent, 80);
BIO_printf(bio, "%s=0x%x (%s)\n",
name, vers, ssl_trace_str(vers, ssl_version_tbl));
*pmsg += 2;
*pmsglen -= 2;
return 1;
}
static int ssl_print_random(BIO *bio, int indent,
const unsigned char **pmsg, size_t *pmsglen)
{
unsigned int tm;
const unsigned char *p = *pmsg;
if (*pmsglen < 32)
return 0;
tm = ((unsigned int)p[0] << 24)
| ((unsigned int)p[1] << 16)
| ((unsigned int)p[2] << 8)
| (unsigned int)p[3];
p += 4;
BIO_indent(bio, indent, 80);
BIO_puts(bio, "Random:\n");
BIO_indent(bio, indent + 2, 80);
BIO_printf(bio, "gmt_unix_time=0x%08X\n", tm);
ssl_print_hex(bio, indent + 2, "random_bytes", p, 28);
*pmsg += 32;
*pmsglen -= 32;
return 1;
}
static int ssl_print_signature(BIO *bio, int indent, const SSL_CONNECTION *sc,
const unsigned char **pmsg, size_t *pmsglen)
{
if (*pmsglen < 2)
return 0;
if (SSL_USE_SIGALGS(sc)) {
const unsigned char *p = *pmsg;
unsigned int sigalg = (p[0] << 8) | p[1];
BIO_indent(bio, indent, 80);
BIO_printf(bio, "Signature Algorithm: %s (0x%04x)\n",
ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
*pmsg += 2;
*pmsglen -= 2;
}
return ssl_print_hexbuf(bio, indent, "Signature", 2, pmsg, pmsglen);
}
static int ssl_print_extension(BIO *bio, int indent, int server,
unsigned char mt, int extype,
const unsigned char *ext, size_t extlen)
{
size_t xlen, share_len;
unsigned int sigalg;
uint32_t max_early_data;
BIO_indent(bio, indent, 80);
BIO_printf(bio, "extension_type=%s(%d), length=%d\n",
ssl_trace_str(extype, ssl_exts_tbl), extype, (int)extlen);
switch (extype) {
case TLSEXT_TYPE_compress_certificate:
if (extlen < 1)
return 0;
xlen = ext[0];
if (extlen != xlen + 1)
return 0;
return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 2, ssl_comp_cert_tbl);
case TLSEXT_TYPE_max_fragment_length:
if (extlen < 1)
return 0;
xlen = extlen;
return ssl_trace_list(bio, indent + 2, ext, xlen, 1, ssl_mfl_tbl);
case TLSEXT_TYPE_ec_point_formats:
if (extlen < 1)
return 0;
xlen = ext[0];
if (extlen != xlen + 1)
return 0;
return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 1, ssl_point_tbl);
case TLSEXT_TYPE_supported_groups:
if (extlen < 2)
return 0;
xlen = (ext[0] << 8) | ext[1];
if (extlen != xlen + 2)
return 0;
return ssl_trace_list(bio, indent + 2, ext + 2, xlen, 2, ssl_groups_tbl);
case TLSEXT_TYPE_application_layer_protocol_negotiation:
if (extlen < 2)
return 0;
xlen = (ext[0] << 8) | ext[1];
if (extlen != xlen + 2)
return 0;
ext += 2;
while (xlen > 0) {
size_t plen = *ext++;
if (plen + 1 > xlen)
return 0;
BIO_indent(bio, indent + 2, 80);
BIO_write(bio, ext, plen);
BIO_puts(bio, "\n");
ext += plen;
xlen -= plen + 1;
}
return 1;
case TLSEXT_TYPE_signature_algorithms:
if (extlen < 2)
return 0;
xlen = (ext[0] << 8) | ext[1];
if (extlen != xlen + 2)
return 0;
if (xlen & 1)
return 0;
ext += 2;
while (xlen > 0) {
BIO_indent(bio, indent + 2, 80);
sigalg = (ext[0] << 8) | ext[1];
BIO_printf(bio, "%s (0x%04x)\n",
ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
xlen -= 2;
ext += 2;
}
break;
case TLSEXT_TYPE_renegotiate:
if (extlen < 1)
return 0;
xlen = ext[0];
if (xlen + 1 != extlen)
return 0;
ext++;
if (xlen) {
if (server) {
if (xlen & 1)
return 0;
xlen >>= 1;
}
ssl_print_hex(bio, indent + 4, "client_verify_data", ext, xlen);
if (server) {
ext += xlen;
ssl_print_hex(bio, indent + 4, "server_verify_data", ext, xlen);
}
} else {
BIO_indent(bio, indent + 4, 80);
BIO_puts(bio, "<EMPTY>\n");
}
break;
case TLSEXT_TYPE_session_ticket:
if (extlen != 0)
ssl_print_hex(bio, indent + 4, "ticket", ext, extlen);
break;
case TLSEXT_TYPE_key_share:
if (server && extlen == 2) {
int group_id;
group_id = (ext[0] << 8) | ext[1];
BIO_indent(bio, indent + 4, 80);
BIO_printf(bio, "NamedGroup: %s (%d)\n",
ssl_trace_str(group_id, ssl_groups_tbl), group_id);
break;
}
if (extlen < 2)
return 0;
if (server) {
xlen = extlen;
} else {
xlen = (ext[0] << 8) | ext[1];
if (extlen != xlen + 2)
return 0;
ext += 2;
}
for (; xlen > 0; ext += share_len, xlen -= share_len) {
int group_id;
if (xlen < 4)
return 0;
group_id = (ext[0] << 8) | ext[1];
share_len = (ext[2] << 8) | ext[3];
ext += 4;
xlen -= 4;
if (xlen < share_len)
return 0;
BIO_indent(bio, indent + 4, 80);
BIO_printf(bio, "NamedGroup: %s (%d)\n",
ssl_trace_str(group_id, ssl_groups_tbl), group_id);
ssl_print_hex(bio, indent + 4, "key_exchange: ", ext, share_len);
}
break;
case TLSEXT_TYPE_supported_versions:
if (server) {
int version;
if (extlen != 2)
return 0;
version = (ext[0] << 8) | ext[1];
BIO_indent(bio, indent + 4, 80);
BIO_printf(bio, "%s (%d)\n",
ssl_trace_str(version, ssl_version_tbl), version);
break;
}
if (extlen < 1)
return 0;
xlen = ext[0];
if (extlen != xlen + 1)
return 0;
return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 2,
ssl_version_tbl);
case TLSEXT_TYPE_psk_kex_modes:
if (extlen < 1)
return 0;
xlen = ext[0];
if (extlen != xlen + 1)
return 0;
return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 1,
ssl_psk_kex_modes_tbl);
case TLSEXT_TYPE_early_data:
if (mt != SSL3_MT_NEWSESSION_TICKET)
break;
if (extlen != 4)
return 0;
max_early_data = ((unsigned int)ext[0] << 24)
| ((unsigned int)ext[1] << 16)
| ((unsigned int)ext[2] << 8)
| (unsigned int)ext[3];
BIO_indent(bio, indent + 2, 80);
BIO_printf(bio, "max_early_data=%u\n", (unsigned int)max_early_data);
break;
case TLSEXT_TYPE_server_cert_type:
case TLSEXT_TYPE_client_cert_type:
if (server) {
if (extlen != 1)
return 0;
return ssl_trace_list(bio, indent + 2, ext, 1, 1, ssl_cert_type_tbl);
}
if (extlen < 1)
return 0;
xlen = ext[0];
if (extlen != xlen + 1)
return 0;
return ssl_trace_list(bio, indent + 2, ext + 1, xlen, 1, ssl_cert_type_tbl);
default:
BIO_dump_indent(bio, (const char *)ext, extlen, indent + 2);
}
return 1;
}
static int ssl_print_extensions(BIO *bio, int indent, int server,
unsigned char mt, const unsigned char **msgin,
size_t *msginlen)
{
size_t extslen, msglen = *msginlen;
const unsigned char *msg = *msgin;
BIO_indent(bio, indent, 80);
if (msglen == 0) {
BIO_puts(bio, "No extensions\n");
return 1;
}
if (msglen < 2)
return 0;
extslen = (msg[0] << 8) | msg[1];
msglen -= 2;
msg += 2;
if (extslen == 0) {
BIO_puts(bio, "No extensions\n");
*msgin = msg;
*msginlen = msglen;
return 1;
}
if (extslen > msglen)
return 0;
BIO_printf(bio, "extensions, length = %d\n", (int)extslen);
msglen -= extslen;
while (extslen > 0) {
int extype;
size_t extlen;
if (extslen < 4)
return 0;
extype = (msg[0] << 8) | msg[1];
extlen = (msg[2] << 8) | msg[3];
if (extslen < extlen + 4) {
BIO_printf(bio, "extensions, extype = %d, extlen = %d\n", extype,
(int)extlen);
BIO_dump_indent(bio, (const char *)msg, extslen, indent + 2);
return 0;
}
msg += 4;
if (!ssl_print_extension(bio, indent + 2, server, mt, extype, msg,
extlen))
return 0;
msg += extlen;
extslen -= extlen + 4;
}
*msgin = msg;
*msginlen = msglen;
return 1;
}
static int ssl_print_client_hello(BIO *bio, const SSL_CONNECTION *sc, int indent,
const unsigned char *msg, size_t msglen)
{
size_t len;
unsigned int cs;
if (!ssl_print_version(bio, indent, "client_version", &msg, &msglen, NULL))
return 0;
if (!ssl_print_random(bio, indent, &msg, &msglen))
return 0;
if (!ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
return 0;
if (SSL_CONNECTION_IS_DTLS(sc)) {
if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
return 0;
}
if (msglen < 2)
return 0;
len = (msg[0] << 8) | msg[1];
msg += 2;
msglen -= 2;
BIO_indent(bio, indent, 80);
BIO_printf(bio, "cipher_suites (len=%d)\n", (int)len);
if (msglen < len || len & 1)
return 0;
while (len > 0) {
cs = (msg[0] << 8) | msg[1];
BIO_indent(bio, indent + 2, 80);
BIO_printf(bio, "{0x%02X, 0x%02X} %s\n",
msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
msg += 2;
msglen -= 2;
len -= 2;
}
if (msglen < 1)
return 0;
len = msg[0];
msg++;
msglen--;
if (msglen < len)
return 0;
BIO_indent(bio, indent, 80);
BIO_printf(bio, "compression_methods (len=%d)\n", (int)len);
while (len > 0) {
BIO_indent(bio, indent + 2, 80);
BIO_printf(bio, "%s (0x%02X)\n",
ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
msg++;
msglen--;
len--;
}
if (!ssl_print_extensions(bio, indent, 0, SSL3_MT_CLIENT_HELLO, &msg,
&msglen))
return 0;
return 1;
}
static int dtls_print_hello_vfyrequest(BIO *bio, int indent,
const unsigned char *msg, size_t msglen)
{
if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen, NULL))
return 0;
if (!ssl_print_hexbuf(bio, indent, "cookie", 1, &msg, &msglen))
return 0;
return 1;
}
static int ssl_print_server_hello(BIO *bio, int indent,
const unsigned char *msg, size_t msglen)
{
unsigned int cs;
unsigned int vers;
if (!ssl_print_version(bio, indent, "server_version", &msg, &msglen, &vers))
return 0;
if (!ssl_print_random(bio, indent, &msg, &msglen))
return 0;
if (vers != TLS1_3_VERSION
&& !ssl_print_hexbuf(bio, indent, "session_id", 1, &msg, &msglen))
return 0;
if (msglen < 2)
return 0;
cs = (msg[0] << 8) | msg[1];
BIO_indent(bio, indent, 80);
BIO_printf(bio, "cipher_suite {0x%02X, 0x%02X} %s\n",
msg[0], msg[1], ssl_trace_str(cs, ssl_ciphers_tbl));
msg += 2;
msglen -= 2;
if (vers != TLS1_3_VERSION) {
if (msglen < 1)
return 0;
BIO_indent(bio, indent, 80);
BIO_printf(bio, "compression_method: %s (0x%02X)\n",
ssl_trace_str(msg[0], ssl_comp_tbl), msg[0]);
msg++;
msglen--;
}
if (!ssl_print_extensions(bio, indent, 1, SSL3_MT_SERVER_HELLO, &msg,
&msglen))
return 0;
return 1;
}
static int ssl_get_keyex(const char **pname, const SSL_CONNECTION *sc)
{
unsigned long alg_k = sc->s3.tmp.new_cipher->algorithm_mkey;
if (alg_k & SSL_kRSA) {
*pname = "rsa";
return SSL_kRSA;
}
if (alg_k & SSL_kDHE) {
*pname = "DHE";
return SSL_kDHE;
}
if (alg_k & SSL_kECDHE) {
*pname = "ECDHE";
return SSL_kECDHE;
}
if (alg_k & SSL_kPSK) {
*pname = "PSK";
return SSL_kPSK;
}
if (alg_k & SSL_kRSAPSK) {
*pname = "RSAPSK";
return SSL_kRSAPSK;
}
if (alg_k & SSL_kDHEPSK) {
*pname = "DHEPSK";
return SSL_kDHEPSK;
}
if (alg_k & SSL_kECDHEPSK) {
*pname = "ECDHEPSK";
return SSL_kECDHEPSK;
}
if (alg_k & SSL_kSRP) {
*pname = "SRP";
return SSL_kSRP;
}
if (alg_k & SSL_kGOST) {
*pname = "GOST";
return SSL_kGOST;
}
if (alg_k & SSL_kGOST18) {
*pname = "GOST18";
return SSL_kGOST18;
}
*pname = "UNKNOWN";
return 0;
}
static int ssl_print_client_keyex(BIO *bio, int indent, const SSL_CONNECTION *sc,
const unsigned char *msg, size_t msglen)
{
const char *algname;
int id = ssl_get_keyex(&algname, sc);
BIO_indent(bio, indent, 80);
BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
if (id & SSL_PSK) {
if (!ssl_print_hexbuf(bio, indent + 2,
"psk_identity", 2, &msg, &msglen))
return 0;
}
switch (id) {
case SSL_kRSA:
case SSL_kRSAPSK:
if (TLS1_get_version(SSL_CONNECTION_GET_SSL(sc)) == SSL3_VERSION) {
ssl_print_hex(bio, indent + 2,
"EncryptedPreMasterSecret", msg, msglen);
} else {
if (!ssl_print_hexbuf(bio, indent + 2,
"EncryptedPreMasterSecret", 2, &msg, &msglen))
return 0;
}
break;
case SSL_kDHE:
case SSL_kDHEPSK:
if (!ssl_print_hexbuf(bio, indent + 2, "dh_Yc", 2, &msg, &msglen))
return 0;
break;
case SSL_kECDHE:
case SSL_kECDHEPSK:
if (!ssl_print_hexbuf(bio, indent + 2, "ecdh_Yc", 1, &msg, &msglen))
return 0;
break;
case SSL_kGOST:
ssl_print_hex(bio, indent + 2, "GostKeyTransportBlob", msg, msglen);
msglen = 0;
break;
case SSL_kGOST18:
ssl_print_hex(bio, indent + 2,
"GOST-wrapped PreMasterSecret", msg, msglen);
msglen = 0;
break;
}
return !msglen;
}
static int ssl_print_server_keyex(BIO *bio, int indent, const SSL_CONNECTION *sc,
const unsigned char *msg, size_t msglen)
{
const char *algname;
int id = ssl_get_keyex(&algname, sc);
BIO_indent(bio, indent, 80);
BIO_printf(bio, "KeyExchangeAlgorithm=%s\n", algname);
if (id & SSL_PSK) {
if (!ssl_print_hexbuf(bio, indent + 2,
"psk_identity_hint", 2, &msg, &msglen))
return 0;
}
switch (id) {
case SSL_kRSA:
if (!ssl_print_hexbuf(bio, indent + 2, "rsa_modulus", 2, &msg, &msglen))
return 0;
if (!ssl_print_hexbuf(bio, indent + 2, "rsa_exponent", 2,
&msg, &msglen))
return 0;
break;
case SSL_kDHE:
case SSL_kDHEPSK:
if (!ssl_print_hexbuf(bio, indent + 2, "dh_p", 2, &msg, &msglen))
return 0;
if (!ssl_print_hexbuf(bio, indent + 2, "dh_g", 2, &msg, &msglen))
return 0;
if (!ssl_print_hexbuf(bio, indent + 2, "dh_Ys", 2, &msg, &msglen))
return 0;
break;
case SSL_kECDHE:
case SSL_kECDHEPSK:
if (msglen < 1)
return 0;
BIO_indent(bio, indent + 2, 80);
if (msg[0] == EXPLICIT_PRIME_CURVE_TYPE)
BIO_puts(bio, "explicit_prime\n");
else if (msg[0] == EXPLICIT_CHAR2_CURVE_TYPE)
BIO_puts(bio, "explicit_char2\n");
else if (msg[0] == NAMED_CURVE_TYPE) {
int curve;
if (msglen < 3)
return 0;
curve = (msg[1] << 8) | msg[2];
BIO_printf(bio, "named_curve: %s (%d)\n",
ssl_trace_str(curve, ssl_groups_tbl), curve);
msg += 3;
msglen -= 3;
if (!ssl_print_hexbuf(bio, indent + 2, "point", 1, &msg, &msglen))
return 0;
} else {
BIO_printf(bio, "UNKNOWN CURVE PARAMETER TYPE %d\n", msg[0]);
return 0;
}
break;
case SSL_kPSK:
case SSL_kRSAPSK:
break;
}
if (!(id & SSL_PSK))
ssl_print_signature(bio, indent, sc, &msg, &msglen);
return !msglen;
}
static int ssl_print_certificate(BIO *bio, const SSL_CONNECTION *sc, int indent,
const unsigned char **pmsg, size_t *pmsglen)
{
size_t msglen = *pmsglen;
size_t clen;
X509 *x;
const unsigned char *p = *pmsg, *q;
SSL_CTX *ctx = SSL_CONNECTION_GET_CTX(sc);
if (msglen < 3)
return 0;
clen = (p[0] << 16) | (p[1] << 8) | p[2];
if (msglen < clen + 3)
return 0;
q = p + 3;
BIO_indent(bio, indent, 80);
BIO_printf(bio, "ASN.1Cert, length=%d", (int)clen);
x = X509_new_ex(ctx->libctx, ctx->propq);
if (x != NULL && d2i_X509(&x, &q, clen) == NULL) {
X509_free(x);
x = NULL;
}
if (x == NULL)
BIO_puts(bio, "<UNPARSEABLE CERTIFICATE>\n");
else {
BIO_puts(bio, "\n------details-----\n");
X509_print_ex(bio, x, XN_FLAG_ONELINE, 0);
PEM_write_bio_X509(bio, x);
BIO_puts(bio, "------------------\n");
X509_free(x);
}
if (q != p + 3 + clen) {
BIO_puts(bio, "<TRAILING GARBAGE AFTER CERTIFICATE>\n");
}
*pmsg += clen + 3;
*pmsglen -= clen + 3;
return 1;
}
static int ssl_print_raw_public_key(BIO *bio, const SSL *ssl, int server,
int indent, const unsigned char **pmsg,
size_t *pmsglen)
{
EVP_PKEY *pkey;
size_t clen;
const unsigned char *msg = *pmsg;
size_t msglen = *pmsglen;
if (msglen < 3)
return 0;
clen = (msg[0] << 16) | (msg[1] << 8) | msg[2];
if (msglen < clen + 3)
return 0;
msg += 3;
BIO_indent(bio, indent, 80);
BIO_printf(bio, "raw_public_key, length=%d\n", (int)clen);
pkey = d2i_PUBKEY_ex(NULL, &msg, clen, ssl->ctx->libctx, ssl->ctx->propq);
if (pkey == NULL)
return 0;
EVP_PKEY_print_public(bio, pkey, indent + 2, NULL);
EVP_PKEY_free(pkey);
*pmsg += clen + 3;
*pmsglen -= clen + 3;
return 1;
}
static int ssl_print_certificates(BIO *bio, const SSL_CONNECTION *sc, int server,
int indent, const unsigned char *msg,
size_t msglen)
{
size_t clen;
if (SSL_CONNECTION_IS_TLS13(sc)
&& !ssl_print_hexbuf(bio, indent, "context", 1, &msg, &msglen))
return 0;
if (msglen < 3)
return 0;
clen = (msg[0] << 16) | (msg[1] << 8) | msg[2];
if (msglen != clen + 3)
return 0;
msg += 3;
if ((server && sc->ext.server_cert_type == TLSEXT_cert_type_rpk)
|| (!server && sc->ext.client_cert_type == TLSEXT_cert_type_rpk)) {
if (!ssl_print_raw_public_key(bio, &sc->ssl, server, indent, &msg, &clen))
return 0;
if (SSL_CONNECTION_IS_TLS13(sc)
&& !ssl_print_extensions(bio, indent + 2, server,
SSL3_MT_CERTIFICATE, &msg, &clen))
return 0;
return 1;
}
BIO_indent(bio, indent, 80);
BIO_printf(bio, "certificate_list, length=%d\n", (int)clen);
while (clen > 0) {
if (!ssl_print_certificate(bio, sc, indent + 2, &msg, &clen))
return 0;
if (SSL_CONNECTION_IS_TLS13(sc)
&& !ssl_print_extensions(bio, indent + 2, server,
SSL3_MT_CERTIFICATE, &msg, &clen))
return 0;
}
return 1;
}
static int ssl_print_compressed_certificates(BIO *bio, const SSL_CONNECTION *sc,
int server, int indent,
const unsigned char *msg,
size_t msglen)
{
size_t uclen;
size_t clen;
unsigned int alg;
int ret = 1;
#ifndef OPENSSL_NO_COMP_ALG
COMP_METHOD *method;
COMP_CTX *comp = NULL;
unsigned char* ucdata = NULL;
#endif
if (msglen < 8)
return 0;
alg = (msg[0] << 8) | msg[1];
uclen = (msg[2] << 16) | (msg[3] << 8) | msg[4];
clen = (msg[5] << 16) | (msg[6] << 8) | msg[7];
if (msglen != clen + 8)
return 0;
msg += 8;
BIO_indent(bio, indent, 80);
BIO_printf(bio, "Compression type=%s (0x%04x)\n", ssl_trace_str(alg, ssl_comp_cert_tbl), alg);
BIO_indent(bio, indent, 80);
BIO_printf(bio, "Uncompressed length=%d\n", (int)uclen);
BIO_indent(bio, indent, 80);
if (clen > 0)
BIO_printf(bio, "Compressed length=%d, Ratio=%f:1\n", (int)clen, (float)uclen / (float)clen);
else
BIO_printf(bio, "Compressed length=%d, Ratio=unknown\n", (int)clen);
BIO_dump_indent(bio, (const char *)msg, clen, indent);
#ifndef OPENSSL_NO_COMP_ALG
if (!ossl_comp_has_alg(alg))
return 0;
if (uclen == 0 || uclen > 0xFFFFFF || (ucdata = OPENSSL_malloc(uclen)) == NULL)
return 0;
switch (alg) {
case TLSEXT_comp_cert_zlib:
method = COMP_zlib();
break;
case TLSEXT_comp_cert_brotli:
method = COMP_brotli_oneshot();
break;
case TLSEXT_comp_cert_zstd:
method = COMP_zstd_oneshot();
break;
default:
goto err;
}
if ((comp = COMP_CTX_new(method)) == NULL
|| COMP_expand_block(comp, ucdata, uclen, (unsigned char*)msg, clen) != (int)uclen)
goto err;
ret = ssl_print_certificates(bio, sc, server, indent, ucdata, uclen);
err:
COMP_CTX_free(comp);
OPENSSL_free(ucdata);
#endif
return ret;
}
static int ssl_print_cert_request(BIO *bio, int indent, const SSL_CONNECTION *sc,
const unsigned char *msg, size_t msglen)
{
size_t xlen;
unsigned int sigalg;
if (SSL_CONNECTION_IS_TLS13(sc)) {
if (!ssl_print_hexbuf(bio, indent, "request_context", 1, &msg, &msglen))
return 0;
if (!ssl_print_extensions(bio, indent, 1,
SSL3_MT_CERTIFICATE_REQUEST, &msg, &msglen))
return 0;
return 1;
} else {
if (msglen < 1)
return 0;
xlen = msg[0];
if (msglen < xlen + 1)
return 0;
msg++;
BIO_indent(bio, indent, 80);
BIO_printf(bio, "certificate_types (len=%d)\n", (int)xlen);
if (!ssl_trace_list(bio, indent + 2, msg, xlen, 1, ssl_ctype_tbl))
return 0;
msg += xlen;
msglen -= xlen + 1;
}
if (SSL_USE_SIGALGS(sc)) {
if (msglen < 2)
return 0;
xlen = (msg[0] << 8) | msg[1];
if (msglen < xlen + 2 || (xlen & 1))
return 0;
msg += 2;
msglen -= xlen + 2;
BIO_indent(bio, indent, 80);
BIO_printf(bio, "signature_algorithms (len=%d)\n", (int)xlen);
while (xlen > 0) {
BIO_indent(bio, indent + 2, 80);
sigalg = (msg[0] << 8) | msg[1];
BIO_printf(bio, "%s (0x%04x)\n",
ssl_trace_str(sigalg, ssl_sigalg_tbl), sigalg);
xlen -= 2;
msg += 2;
}
msg += xlen;
}
if (msglen < 2)
return 0;
xlen = (msg[0] << 8) | msg[1];
BIO_indent(bio, indent, 80);
if (msglen < xlen + 2)
return 0;
msg += 2;
msglen -= 2 + xlen;
BIO_printf(bio, "certificate_authorities (len=%d)\n", (int)xlen);
while (xlen > 0) {
size_t dlen;
X509_NAME *nm;
const unsigned char *p;
if (xlen < 2)
return 0;
dlen = (msg[0] << 8) | msg[1];
if (xlen < dlen + 2)
return 0;
msg += 2;
BIO_indent(bio, indent + 2, 80);
BIO_printf(bio, "DistinguishedName (len=%d): ", (int)dlen);
p = msg;
nm = d2i_X509_NAME(NULL, &p, dlen);
if (!nm) {
BIO_puts(bio, "<UNPARSEABLE DN>\n");
} else {
X509_NAME_print_ex(bio, nm, 0, XN_FLAG_ONELINE);
BIO_puts(bio, "\n");
X509_NAME_free(nm);
}
xlen -= dlen + 2;
msg += dlen;
}
if (SSL_CONNECTION_IS_TLS13(sc)) {
if (!ssl_print_hexbuf(bio, indent, "request_extensions", 2,
&msg, &msglen))
return 0;
}
return msglen == 0;
}
static int ssl_print_ticket(BIO *bio, int indent, const SSL_CONNECTION *sc,
const unsigned char *msg, size_t msglen)
{
unsigned int tick_life;
if (msglen == 0) {
BIO_indent(bio, indent + 2, 80);
BIO_puts(bio, "No Ticket\n");
return 1;
}
if (msglen < 4)
return 0;
tick_life = ((unsigned int)msg[0] << 24)
| ((unsigned int)msg[1] << 16)
| ((unsigned int)msg[2] << 8)
| (unsigned int)msg[3];
msglen -= 4;
msg += 4;
BIO_indent(bio, indent + 2, 80);
BIO_printf(bio, "ticket_lifetime_hint=%u\n", tick_life);
if (SSL_CONNECTION_IS_TLS13(sc)) {
unsigned int ticket_age_add;
if (msglen < 4)
return 0;
ticket_age_add =
((unsigned int)msg[0] << 24)
| ((unsigned int)msg[1] << 16)
| ((unsigned int)msg[2] << 8)
| (unsigned int)msg[3];
msglen -= 4;
msg += 4;
BIO_indent(bio, indent + 2, 80);
BIO_printf(bio, "ticket_age_add=%u\n", ticket_age_add);
if (!ssl_print_hexbuf(bio, indent + 2, "ticket_nonce", 1, &msg,
&msglen))
return 0;
}
if (!ssl_print_hexbuf(bio, indent + 2, "ticket", 2, &msg, &msglen))
return 0;
if (SSL_CONNECTION_IS_TLS13(sc)
&& !ssl_print_extensions(bio, indent + 2, 0,
SSL3_MT_NEWSESSION_TICKET, &msg, &msglen))
return 0;
if (msglen)
return 0;
return 1;
}
static int ssl_print_handshake(BIO *bio, const SSL_CONNECTION *sc, int server,
const unsigned char *msg, size_t msglen,
int indent)
{
size_t hlen;
unsigned char htype;
if (msglen < 4)
return 0;
htype = msg[0];
hlen = (msg[1] << 16) | (msg[2] << 8) | msg[3];
BIO_indent(bio, indent, 80);
BIO_printf(bio, "%s, Length=%d\n",
ssl_trace_str(htype, ssl_handshake_tbl), (int)hlen);
msg += 4;
msglen -= 4;
if (SSL_CONNECTION_IS_DTLS(sc)) {
if (msglen < 8)
return 0;
BIO_indent(bio, indent, 80);
BIO_printf(bio, "message_seq=%d, fragment_offset=%d, "
"fragment_length=%d\n",
(msg[0] << 8) | msg[1],
(msg[2] << 16) | (msg[3] << 8) | msg[4],
(msg[5] << 16) | (msg[6] << 8) | msg[7]);
msg += 8;
msglen -= 8;
}
if (msglen < hlen)
return 0;
switch (htype) {
case SSL3_MT_CLIENT_HELLO:
if (!ssl_print_client_hello(bio, sc, indent + 2, msg, msglen))
return 0;
break;
case DTLS1_MT_HELLO_VERIFY_REQUEST:
if (!dtls_print_hello_vfyrequest(bio, indent + 2, msg, msglen))
return 0;
break;
case SSL3_MT_SERVER_HELLO:
if (!ssl_print_server_hello(bio, indent + 2, msg, msglen))
return 0;
break;
case SSL3_MT_SERVER_KEY_EXCHANGE:
if (!ssl_print_server_keyex(bio, indent + 2, sc, msg, msglen))
return 0;
break;
case SSL3_MT_CLIENT_KEY_EXCHANGE:
if (!ssl_print_client_keyex(bio, indent + 2, sc, msg, msglen))
return 0;
break;
case SSL3_MT_CERTIFICATE:
if (!ssl_print_certificates(bio, sc, server, indent + 2, msg, msglen))
return 0;
break;
case SSL3_MT_COMPRESSED_CERTIFICATE:
if (!ssl_print_compressed_certificates(bio, sc, server, indent + 2, msg, msglen))
return 0;
break;
case SSL3_MT_CERTIFICATE_VERIFY:
if (!ssl_print_signature(bio, indent + 2, sc, &msg, &msglen))
return 0;
break;
case SSL3_MT_CERTIFICATE_REQUEST:
if (!ssl_print_cert_request(bio, indent + 2, sc, msg, msglen))
return 0;
break;
case SSL3_MT_FINISHED:
ssl_print_hex(bio, indent + 2, "verify_data", msg, msglen);
break;
case SSL3_MT_SERVER_DONE:
if (msglen != 0)
ssl_print_hex(bio, indent + 2, "unexpected value", msg, msglen);
break;
case SSL3_MT_NEWSESSION_TICKET:
if (!ssl_print_ticket(bio, indent + 2, sc, msg, msglen))
return 0;
break;
case SSL3_MT_ENCRYPTED_EXTENSIONS:
if (!ssl_print_extensions(bio, indent + 2, 1,
SSL3_MT_ENCRYPTED_EXTENSIONS, &msg, &msglen))
return 0;
break;
case SSL3_MT_KEY_UPDATE:
if (msglen != 1) {
ssl_print_hex(bio, indent + 2, "unexpected value", msg, msglen);
return 0;
}
if (!ssl_trace_list(bio, indent + 2, msg, msglen, 1,
ssl_key_update_tbl))
return 0;
break;
default:
BIO_indent(bio, indent + 2, 80);
BIO_puts(bio, "Unsupported, hex dump follows:\n");
BIO_dump_indent(bio, (const char *)msg, msglen, indent + 4);
}
return 1;
}
void SSL_trace(int write_p, int version, int content_type,
const void *buf, size_t msglen, SSL *ssl, void *arg)
{
const unsigned char *msg = buf;
BIO *bio = arg;
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl);
#ifndef OPENSSL_NO_QUIC
QUIC_CONNECTION *qc = QUIC_CONNECTION_FROM_SSL(ssl);
if (qc != NULL) {
if (ossl_quic_trace(write_p, version, content_type, buf, msglen, ssl,
arg))
return;
}
#endif
if (sc == NULL)
return;
switch (content_type) {
case SSL3_RT_HEADER:
{
int hvers;
if (msglen < (size_t)(SSL_CONNECTION_IS_DTLS(sc) ?
DTLS1_RT_HEADER_LENGTH : SSL3_RT_HEADER_LENGTH)) {
BIO_puts(bio, write_p ? "Sent" : "Received");
ssl_print_hex(bio, 0, " too short message", msg, msglen);
break;
}
hvers = msg[1] << 8 | msg[2];
BIO_puts(bio, write_p ? "Sent" : "Received");
BIO_printf(bio, " TLS Record\nHeader:\n Version = %s (0x%x)\n",
ssl_trace_str(hvers, ssl_version_tbl), hvers);
if (SSL_CONNECTION_IS_DTLS(sc)) {
BIO_printf(bio,
" epoch=%d, sequence_number=%04x%04x%04x\n",
(msg[3] << 8 | msg[4]),
(msg[5] << 8 | msg[6]),
(msg[7] << 8 | msg[8]), (msg[9] << 8 | msg[10]));
}
BIO_printf(bio, " Content Type = %s (%d)\n Length = %d",
ssl_trace_str(msg[0], ssl_content_tbl), msg[0],
msg[msglen - 2] << 8 | msg[msglen - 1]);
}
break;
case SSL3_RT_INNER_CONTENT_TYPE:
BIO_printf(bio, " Inner Content Type = %s (%d)",
ssl_trace_str(msg[0], ssl_content_tbl), msg[0]);
break;
case SSL3_RT_HANDSHAKE:
if (!ssl_print_handshake(bio, sc, sc->server ? write_p : !write_p,
msg, msglen, 4))
BIO_printf(bio, "Message length parse error!\n");
break;
case SSL3_RT_CHANGE_CIPHER_SPEC:
if (msglen == 1 && msg[0] == 1)
BIO_puts(bio, " change_cipher_spec (1)\n");
else
ssl_print_hex(bio, 4, "unknown value", msg, msglen);
break;
case SSL3_RT_ALERT:
if (msglen != 2)
BIO_puts(bio, " Illegal Alert Length\n");
else {
BIO_printf(bio, " Level=%s(%d), description=%s(%d)\n",
SSL_alert_type_string_long(msg[0] << 8),
msg[0], SSL_alert_desc_string_long(msg[1]), msg[1]);
}
}
BIO_puts(bio, "\n");
}
#endif
| ssl | openssl/ssl/t1_trce.c | openssl |
#include <stdio.h>
#include <openssl/conf.h>
#include <openssl/ssl.h>
#include "ssl_local.h"
#include "internal/sslconf.h"
void SSL_add_ssl_module(void)
{
}
static int ssl_do_config(SSL *s, SSL_CTX *ctx, const char *name, int system)
{
SSL_CONF_CTX *cctx = NULL;
size_t i, idx, cmd_count;
int err = 1;
unsigned int flags;
const SSL_METHOD *meth;
const SSL_CONF_CMD *cmds;
OSSL_LIB_CTX *prev_libctx = NULL;
OSSL_LIB_CTX *libctx = NULL;
if (s == NULL && ctx == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_NULL_PARAMETER);
goto err;
}
if (name == NULL && system)
name = "system_default";
if (!conf_ssl_name_find(name, &idx)) {
if (!system)
ERR_raise_data(ERR_LIB_SSL, SSL_R_INVALID_CONFIGURATION_NAME,
"name=%s", name);
goto err;
}
cmds = conf_ssl_get(idx, &name, &cmd_count);
cctx = SSL_CONF_CTX_new();
if (cctx == NULL)
goto err;
flags = SSL_CONF_FLAG_FILE;
if (!system)
flags |= SSL_CONF_FLAG_CERTIFICATE | SSL_CONF_FLAG_REQUIRE_PRIVATE;
if (s != NULL) {
meth = s->method;
SSL_CONF_CTX_set_ssl(cctx, s);
libctx = s->ctx->libctx;
} else {
meth = ctx->method;
SSL_CONF_CTX_set_ssl_ctx(cctx, ctx);
libctx = ctx->libctx;
}
if (meth->ssl_accept != ssl_undefined_function)
flags |= SSL_CONF_FLAG_SERVER;
if (meth->ssl_connect != ssl_undefined_function)
flags |= SSL_CONF_FLAG_CLIENT;
SSL_CONF_CTX_set_flags(cctx, flags);
prev_libctx = OSSL_LIB_CTX_set0_default(libctx);
err = 0;
for (i = 0; i < cmd_count; i++) {
char *cmdstr, *arg;
int rv;
conf_ssl_get_cmd(cmds, i, &cmdstr, &arg);
rv = SSL_CONF_cmd(cctx, cmdstr, arg);
if (rv <= 0)
++err;
}
if (!SSL_CONF_CTX_finish(cctx))
++err;
err:
OSSL_LIB_CTX_set0_default(prev_libctx);
SSL_CONF_CTX_free(cctx);
return err == 0;
}
int SSL_config(SSL *s, const char *name)
{
return ssl_do_config(s, NULL, name, 0);
}
int SSL_CTX_config(SSL_CTX *ctx, const char *name)
{
return ssl_do_config(NULL, ctx, name, 0);
}
void ssl_ctx_system_config(SSL_CTX *ctx)
{
ssl_do_config(NULL, ctx, NULL, 1);
}
| ssl | openssl/ssl/ssl_mcnf.c | openssl |
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <openssl/crypto.h>
#include "internal/bio.h"
#include <openssl/err.h>
#include "ssl_local.h"
static int ssl_write(BIO *h, const char *buf, size_t size, size_t *written);
static int ssl_read(BIO *b, char *buf, size_t size, size_t *readbytes);
static int ssl_puts(BIO *h, const char *str);
static long ssl_ctrl(BIO *h, int cmd, long arg1, void *arg2);
static int ssl_new(BIO *h);
static int ssl_free(BIO *data);
static long ssl_callback_ctrl(BIO *h, int cmd, BIO_info_cb *fp);
typedef struct bio_ssl_st {
SSL *ssl;
int num_renegotiates;
unsigned long renegotiate_count;
size_t byte_count;
unsigned long renegotiate_timeout;
unsigned long last_time;
} BIO_SSL;
static const BIO_METHOD methods_sslp = {
BIO_TYPE_SSL,
"ssl",
ssl_write,
NULL,
ssl_read,
NULL,
ssl_puts,
NULL,
ssl_ctrl,
ssl_new,
ssl_free,
ssl_callback_ctrl,
};
const BIO_METHOD *BIO_f_ssl(void)
{
return &methods_sslp;
}
static int ssl_new(BIO *bi)
{
BIO_SSL *bs = OPENSSL_zalloc(sizeof(*bs));
if (bs == NULL)
return 0;
BIO_set_init(bi, 0);
BIO_set_data(bi, bs);
BIO_clear_flags(bi, ~0);
return 1;
}
static int ssl_free(BIO *a)
{
BIO_SSL *bs;
if (a == NULL)
return 0;
bs = BIO_get_data(a);
if (BIO_get_shutdown(a)) {
if (bs->ssl != NULL)
SSL_shutdown(bs->ssl);
if (BIO_get_init(a))
SSL_free(bs->ssl);
BIO_clear_flags(a, ~0);
BIO_set_init(a, 0);
}
OPENSSL_free(bs);
return 1;
}
static int ssl_read(BIO *b, char *buf, size_t size, size_t *readbytes)
{
int ret = 1;
BIO_SSL *sb;
SSL *ssl;
int retry_reason = 0;
int r = 0;
if (buf == NULL)
return 0;
sb = BIO_get_data(b);
ssl = sb->ssl;
BIO_clear_retry_flags(b);
ret = ssl_read_internal(ssl, buf, size, readbytes);
switch (SSL_get_error(ssl, ret)) {
case SSL_ERROR_NONE:
if (sb->renegotiate_count > 0) {
sb->byte_count += *readbytes;
if (sb->byte_count > sb->renegotiate_count) {
sb->byte_count = 0;
sb->num_renegotiates++;
SSL_renegotiate(ssl);
r = 1;
}
}
if ((sb->renegotiate_timeout > 0) && (!r)) {
unsigned long tm;
tm = (unsigned long)time(NULL);
if (tm > sb->last_time + sb->renegotiate_timeout) {
sb->last_time = tm;
sb->num_renegotiates++;
SSL_renegotiate(ssl);
}
}
break;
case SSL_ERROR_WANT_READ:
BIO_set_retry_read(b);
break;
case SSL_ERROR_WANT_WRITE:
BIO_set_retry_write(b);
break;
case SSL_ERROR_WANT_X509_LOOKUP:
BIO_set_retry_special(b);
retry_reason = BIO_RR_SSL_X509_LOOKUP;
break;
case SSL_ERROR_WANT_ACCEPT:
BIO_set_retry_special(b);
retry_reason = BIO_RR_ACCEPT;
break;
case SSL_ERROR_WANT_CONNECT:
BIO_set_retry_special(b);
retry_reason = BIO_RR_CONNECT;
break;
case SSL_ERROR_SYSCALL:
case SSL_ERROR_SSL:
case SSL_ERROR_ZERO_RETURN:
default:
break;
}
BIO_set_retry_reason(b, retry_reason);
return ret;
}
static int ssl_write(BIO *b, const char *buf, size_t size, size_t *written)
{
int ret, r = 0;
int retry_reason = 0;
SSL *ssl;
BIO_SSL *bs;
if (buf == NULL)
return 0;
bs = BIO_get_data(b);
ssl = bs->ssl;
BIO_clear_retry_flags(b);
ret = ssl_write_internal(ssl, buf, size, 0, written);
switch (SSL_get_error(ssl, ret)) {
case SSL_ERROR_NONE:
if (bs->renegotiate_count > 0) {
bs->byte_count += *written;
if (bs->byte_count > bs->renegotiate_count) {
bs->byte_count = 0;
bs->num_renegotiates++;
SSL_renegotiate(ssl);
r = 1;
}
}
if ((bs->renegotiate_timeout > 0) && (!r)) {
unsigned long tm;
tm = (unsigned long)time(NULL);
if (tm > bs->last_time + bs->renegotiate_timeout) {
bs->last_time = tm;
bs->num_renegotiates++;
SSL_renegotiate(ssl);
}
}
break;
case SSL_ERROR_WANT_WRITE:
BIO_set_retry_write(b);
break;
case SSL_ERROR_WANT_READ:
BIO_set_retry_read(b);
break;
case SSL_ERROR_WANT_X509_LOOKUP:
BIO_set_retry_special(b);
retry_reason = BIO_RR_SSL_X509_LOOKUP;
break;
case SSL_ERROR_WANT_CONNECT:
BIO_set_retry_special(b);
retry_reason = BIO_RR_CONNECT;
case SSL_ERROR_SYSCALL:
case SSL_ERROR_SSL:
default:
break;
}
BIO_set_retry_reason(b, retry_reason);
return ret;
}
static long ssl_ctrl(BIO *b, int cmd, long num, void *ptr)
{
SSL **sslp, *ssl;
BIO_SSL *bs, *dbs;
BIO *dbio, *bio;
long ret = 1;
BIO *next;
SSL_CONNECTION *sc = NULL;
bs = BIO_get_data(b);
next = BIO_next(b);
ssl = bs->ssl;
if (ssl == NULL && cmd != BIO_C_SET_SSL)
return 0;
switch (cmd) {
case BIO_CTRL_RESET:
if ((sc = SSL_CONNECTION_FROM_SSL_ONLY(ssl)) == NULL)
return 0;
SSL_shutdown(ssl);
if (sc->handshake_func == ssl->method->ssl_connect)
SSL_set_connect_state(ssl);
else if (sc->handshake_func == ssl->method->ssl_accept)
SSL_set_accept_state(ssl);
if (!SSL_clear(ssl)) {
ret = 0;
break;
}
if (next != NULL)
ret = BIO_ctrl(next, cmd, num, ptr);
else if (sc->rbio != NULL)
ret = BIO_ctrl(sc->rbio, cmd, num, ptr);
else
ret = 1;
break;
case BIO_CTRL_INFO:
ret = 0;
break;
case BIO_C_SSL_MODE:
if (num)
SSL_set_connect_state(ssl);
else
SSL_set_accept_state(ssl);
break;
case BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT:
ret = bs->renegotiate_timeout;
if (num < 60)
num = 5;
bs->renegotiate_timeout = (unsigned long)num;
bs->last_time = (unsigned long)time(NULL);
break;
case BIO_C_SET_SSL_RENEGOTIATE_BYTES:
ret = bs->renegotiate_count;
if ((long)num >= 512)
bs->renegotiate_count = (unsigned long)num;
break;
case BIO_C_GET_SSL_NUM_RENEGOTIATES:
ret = bs->num_renegotiates;
break;
case BIO_C_SET_SSL:
if (ssl != NULL) {
ssl_free(b);
if (!ssl_new(b))
return 0;
bs = BIO_get_data(b);
}
BIO_set_shutdown(b, num);
ssl = (SSL *)ptr;
bs->ssl = ssl;
bio = SSL_get_rbio(ssl);
if (bio != NULL) {
if (next != NULL)
BIO_push(bio, next);
BIO_set_next(b, bio);
BIO_up_ref(bio);
}
BIO_set_init(b, 1);
break;
case BIO_C_GET_SSL:
if (ptr != NULL) {
sslp = (SSL **)ptr;
*sslp = ssl;
} else
ret = 0;
break;
case BIO_CTRL_GET_CLOSE:
ret = BIO_get_shutdown(b);
break;
case BIO_CTRL_SET_CLOSE:
BIO_set_shutdown(b, (int)num);
break;
case BIO_CTRL_WPENDING:
ret = BIO_ctrl(SSL_get_wbio(ssl), cmd, num, ptr);
break;
case BIO_CTRL_PENDING:
ret = SSL_pending(ssl);
if (ret == 0)
ret = BIO_pending(SSL_get_rbio(ssl));
break;
case BIO_CTRL_FLUSH:
BIO_clear_retry_flags(b);
ret = BIO_ctrl(SSL_get_wbio(ssl), cmd, num, ptr);
BIO_copy_next_retry(b);
break;
case BIO_CTRL_PUSH:
if ((next != NULL) && (next != SSL_get_rbio(ssl))) {
BIO_up_ref(next);
SSL_set_bio(ssl, next, next);
}
break;
case BIO_CTRL_POP:
if (b == ptr) {
SSL_set_bio(ssl, NULL, NULL);
}
break;
case BIO_C_DO_STATE_MACHINE:
BIO_clear_retry_flags(b);
BIO_set_retry_reason(b, 0);
ret = (int)SSL_do_handshake(ssl);
switch (SSL_get_error(ssl, (int)ret)) {
case SSL_ERROR_WANT_READ:
BIO_set_flags(b, BIO_FLAGS_READ | BIO_FLAGS_SHOULD_RETRY);
break;
case SSL_ERROR_WANT_WRITE:
BIO_set_flags(b, BIO_FLAGS_WRITE | BIO_FLAGS_SHOULD_RETRY);
break;
case SSL_ERROR_WANT_CONNECT:
BIO_set_flags(b, BIO_FLAGS_IO_SPECIAL | BIO_FLAGS_SHOULD_RETRY);
BIO_set_retry_reason(b, BIO_get_retry_reason(next));
break;
case SSL_ERROR_WANT_X509_LOOKUP:
BIO_set_retry_special(b);
BIO_set_retry_reason(b, BIO_RR_SSL_X509_LOOKUP);
break;
default:
break;
}
break;
case BIO_CTRL_DUP:
dbio = (BIO *)ptr;
dbs = BIO_get_data(dbio);
SSL_free(dbs->ssl);
dbs->ssl = SSL_dup(ssl);
dbs->num_renegotiates = bs->num_renegotiates;
dbs->renegotiate_count = bs->renegotiate_count;
dbs->byte_count = bs->byte_count;
dbs->renegotiate_timeout = bs->renegotiate_timeout;
dbs->last_time = bs->last_time;
ret = (dbs->ssl != NULL);
break;
case BIO_C_GET_FD:
ret = BIO_ctrl(SSL_get_rbio(ssl), cmd, num, ptr);
break;
case BIO_CTRL_SET_CALLBACK:
ret = 0;
break;
case BIO_CTRL_GET_RPOLL_DESCRIPTOR:
if (!SSL_get_rpoll_descriptor(ssl, (BIO_POLL_DESCRIPTOR *)ptr))
ret = 0;
break;
case BIO_CTRL_GET_WPOLL_DESCRIPTOR:
if (!SSL_get_wpoll_descriptor(ssl, (BIO_POLL_DESCRIPTOR *)ptr))
ret = 0;
break;
default:
ret = BIO_ctrl(SSL_get_rbio(ssl), cmd, num, ptr);
break;
}
return ret;
}
static long ssl_callback_ctrl(BIO *b, int cmd, BIO_info_cb *fp)
{
SSL *ssl;
BIO_SSL *bs;
long ret = 1;
bs = BIO_get_data(b);
ssl = bs->ssl;
switch (cmd) {
case BIO_CTRL_SET_CALLBACK:
ret = BIO_callback_ctrl(SSL_get_rbio(ssl), cmd, fp);
break;
default:
ret = 0;
break;
}
return ret;
}
static int ssl_puts(BIO *bp, const char *str)
{
int n, ret;
n = strlen(str);
ret = BIO_write(bp, str, n);
return ret;
}
BIO *BIO_new_buffer_ssl_connect(SSL_CTX *ctx)
{
#ifndef OPENSSL_NO_SOCK
BIO *ret = NULL, *buf = NULL, *ssl = NULL;
# ifndef OPENSSL_NO_QUIC
if (ctx != NULL && IS_QUIC_CTX(ctx))
return BIO_new_ssl_connect(ctx);
# endif
if ((buf = BIO_new(BIO_f_buffer())) == NULL)
return NULL;
if ((ssl = BIO_new_ssl_connect(ctx)) == NULL)
goto err;
if ((ret = BIO_push(buf, ssl)) == NULL)
goto err;
return ret;
err:
BIO_free(buf);
BIO_free(ssl);
#endif
return NULL;
}
BIO *BIO_new_ssl_connect(SSL_CTX *ctx)
{
#ifndef OPENSSL_NO_SOCK
BIO *ret = NULL, *con = NULL, *ssl = NULL;
if ((con = BIO_new(BIO_s_connect())) == NULL)
return NULL;
# ifndef OPENSSL_NO_QUIC
if (ctx != NULL && IS_QUIC_CTX(ctx))
if (!BIO_set_sock_type(con, SOCK_DGRAM))
goto err;
#endif
if ((ssl = BIO_new_ssl(ctx, 1)) == NULL)
goto err;
if ((ret = BIO_push(ssl, con)) == NULL)
goto err;
return ret;
err:
BIO_free(ssl);
BIO_free(con);
#endif
return NULL;
}
BIO *BIO_new_ssl(SSL_CTX *ctx, int client)
{
BIO *ret;
SSL *ssl;
if ((ret = BIO_new(BIO_f_ssl())) == NULL)
return NULL;
if ((ssl = SSL_new(ctx)) == NULL) {
BIO_free(ret);
return NULL;
}
if (client)
SSL_set_connect_state(ssl);
else
SSL_set_accept_state(ssl);
BIO_set_ssl(ret, ssl, BIO_CLOSE);
return ret;
}
int BIO_ssl_copy_session_id(BIO *t, BIO *f)
{
BIO_SSL *tdata, *fdata;
t = BIO_find_type(t, BIO_TYPE_SSL);
f = BIO_find_type(f, BIO_TYPE_SSL);
if ((t == NULL) || (f == NULL))
return 0;
tdata = BIO_get_data(t);
fdata = BIO_get_data(f);
if ((tdata->ssl == NULL) || (fdata->ssl == NULL))
return 0;
if (!SSL_copy_session_id(tdata->ssl, (fdata->ssl)))
return 0;
return 1;
}
void BIO_ssl_shutdown(BIO *b)
{
BIO_SSL *bdata;
for (; b != NULL; b = BIO_next(b)) {
if (BIO_method_type(b) != BIO_TYPE_SSL)
continue;
bdata = BIO_get_data(b);
if (bdata != NULL && bdata->ssl != NULL)
SSL_shutdown(bdata->ssl);
}
}
| ssl | openssl/ssl/bio_ssl.c | openssl |
#define OPENSSL_SUPPRESS_DEPRECATED
#include <openssl/crypto.h>
#include <openssl/rand.h>
#include <openssl/err.h>
#include "ssl_local.h"
#ifndef OPENSSL_NO_SRP
# include <openssl/srp.h>
int ssl_ctx_srp_ctx_free_intern(SSL_CTX *ctx)
{
if (ctx == NULL)
return 0;
OPENSSL_free(ctx->srp_ctx.login);
OPENSSL_free(ctx->srp_ctx.info);
BN_free(ctx->srp_ctx.N);
BN_free(ctx->srp_ctx.g);
BN_free(ctx->srp_ctx.s);
BN_free(ctx->srp_ctx.B);
BN_free(ctx->srp_ctx.A);
BN_free(ctx->srp_ctx.a);
BN_free(ctx->srp_ctx.b);
BN_free(ctx->srp_ctx.v);
memset(&ctx->srp_ctx, 0, sizeof(ctx->srp_ctx));
ctx->srp_ctx.strength = SRP_MINIMAL_N;
return 1;
}
int SSL_CTX_SRP_CTX_free(SSL_CTX *ctx)
{
return ssl_ctx_srp_ctx_free_intern(ctx);
}
int ssl_srp_ctx_free_intern(SSL_CONNECTION *s)
{
if (s == NULL)
return 0;
OPENSSL_free(s->srp_ctx.login);
OPENSSL_free(s->srp_ctx.info);
BN_free(s->srp_ctx.N);
BN_free(s->srp_ctx.g);
BN_free(s->srp_ctx.s);
BN_free(s->srp_ctx.B);
BN_free(s->srp_ctx.A);
BN_free(s->srp_ctx.a);
BN_free(s->srp_ctx.b);
BN_free(s->srp_ctx.v);
memset(&s->srp_ctx, 0, sizeof(s->srp_ctx));
s->srp_ctx.strength = SRP_MINIMAL_N;
return 1;
}
int SSL_SRP_CTX_free(SSL *s)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
return ssl_srp_ctx_free_intern(sc);
}
int ssl_srp_ctx_init_intern(SSL_CONNECTION *s)
{
SSL_CTX *ctx;
if (s == NULL || (ctx = SSL_CONNECTION_GET_CTX(s)) == NULL)
return 0;
memset(&s->srp_ctx, 0, sizeof(s->srp_ctx));
s->srp_ctx.SRP_cb_arg = ctx->srp_ctx.SRP_cb_arg;
s->srp_ctx.TLS_ext_srp_username_callback =
ctx->srp_ctx.TLS_ext_srp_username_callback;
s->srp_ctx.SRP_verify_param_callback =
ctx->srp_ctx.SRP_verify_param_callback;
s->srp_ctx.SRP_give_srp_client_pwd_callback =
ctx->srp_ctx.SRP_give_srp_client_pwd_callback;
s->srp_ctx.strength = ctx->srp_ctx.strength;
if (((ctx->srp_ctx.N != NULL) &&
((s->srp_ctx.N = BN_dup(ctx->srp_ctx.N)) == NULL)) ||
((ctx->srp_ctx.g != NULL) &&
((s->srp_ctx.g = BN_dup(ctx->srp_ctx.g)) == NULL)) ||
((ctx->srp_ctx.s != NULL) &&
((s->srp_ctx.s = BN_dup(ctx->srp_ctx.s)) == NULL)) ||
((ctx->srp_ctx.B != NULL) &&
((s->srp_ctx.B = BN_dup(ctx->srp_ctx.B)) == NULL)) ||
((ctx->srp_ctx.A != NULL) &&
((s->srp_ctx.A = BN_dup(ctx->srp_ctx.A)) == NULL)) ||
((ctx->srp_ctx.a != NULL) &&
((s->srp_ctx.a = BN_dup(ctx->srp_ctx.a)) == NULL)) ||
((ctx->srp_ctx.v != NULL) &&
((s->srp_ctx.v = BN_dup(ctx->srp_ctx.v)) == NULL)) ||
((ctx->srp_ctx.b != NULL) &&
((s->srp_ctx.b = BN_dup(ctx->srp_ctx.b)) == NULL))) {
ERR_raise(ERR_LIB_SSL, ERR_R_BN_LIB);
goto err;
}
if ((ctx->srp_ctx.login != NULL) &&
((s->srp_ctx.login = OPENSSL_strdup(ctx->srp_ctx.login)) == NULL)) {
ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
goto err;
}
if ((ctx->srp_ctx.info != NULL) &&
((s->srp_ctx.info = OPENSSL_strdup(ctx->srp_ctx.info)) == NULL)) {
ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
goto err;
}
s->srp_ctx.srp_Mask = ctx->srp_ctx.srp_Mask;
return 1;
err:
OPENSSL_free(s->srp_ctx.login);
OPENSSL_free(s->srp_ctx.info);
BN_free(s->srp_ctx.N);
BN_free(s->srp_ctx.g);
BN_free(s->srp_ctx.s);
BN_free(s->srp_ctx.B);
BN_free(s->srp_ctx.A);
BN_free(s->srp_ctx.a);
BN_free(s->srp_ctx.b);
BN_free(s->srp_ctx.v);
memset(&s->srp_ctx, 0, sizeof(s->srp_ctx));
return 0;
}
int SSL_SRP_CTX_init(SSL *s)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
return ssl_srp_ctx_init_intern(sc);
}
int ssl_ctx_srp_ctx_init_intern(SSL_CTX *ctx)
{
if (ctx == NULL)
return 0;
memset(&ctx->srp_ctx, 0, sizeof(ctx->srp_ctx));
ctx->srp_ctx.strength = SRP_MINIMAL_N;
return 1;
}
int SSL_CTX_SRP_CTX_init(SSL_CTX *ctx)
{
return ssl_ctx_srp_ctx_init_intern(ctx);
}
int ssl_srp_server_param_with_username_intern(SSL_CONNECTION *s, int *ad)
{
unsigned char b[SSL_MAX_MASTER_KEY_LENGTH];
int al;
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
*ad = SSL_AD_UNKNOWN_PSK_IDENTITY;
if ((s->srp_ctx.TLS_ext_srp_username_callback != NULL) &&
((al =
s->srp_ctx.TLS_ext_srp_username_callback(SSL_CONNECTION_GET_SSL(s),
ad,
s->srp_ctx.SRP_cb_arg)) !=
SSL_ERROR_NONE))
return al;
*ad = SSL_AD_INTERNAL_ERROR;
if ((s->srp_ctx.N == NULL) ||
(s->srp_ctx.g == NULL) ||
(s->srp_ctx.s == NULL) || (s->srp_ctx.v == NULL))
return SSL3_AL_FATAL;
if (RAND_priv_bytes_ex(SSL_CONNECTION_GET_CTX(s)->libctx, b, sizeof(b),
0) <= 0)
return SSL3_AL_FATAL;
s->srp_ctx.b = BN_bin2bn(b, sizeof(b), NULL);
OPENSSL_cleanse(b, sizeof(b));
return ((s->srp_ctx.B =
SRP_Calc_B_ex(s->srp_ctx.b, s->srp_ctx.N, s->srp_ctx.g,
s->srp_ctx.v, sctx->libctx, sctx->propq)) !=
NULL) ? SSL_ERROR_NONE : SSL3_AL_FATAL;
}
int SSL_srp_server_param_with_username(SSL *s, int *ad)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return SSL3_AL_FATAL;
return ssl_srp_server_param_with_username_intern(sc, ad);
}
int SSL_set_srp_server_param_pw(SSL *s, const char *user, const char *pass,
const char *grp)
{
SRP_gN *GN;
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return -1;
GN = SRP_get_default_gN(grp);
if (GN == NULL)
return -1;
sc->srp_ctx.N = BN_dup(GN->N);
sc->srp_ctx.g = BN_dup(GN->g);
BN_clear_free(sc->srp_ctx.v);
sc->srp_ctx.v = NULL;
BN_clear_free(sc->srp_ctx.s);
sc->srp_ctx.s = NULL;
if (!SRP_create_verifier_BN_ex(user, pass, &sc->srp_ctx.s, &sc->srp_ctx.v,
sc->srp_ctx.N, sc->srp_ctx.g, s->ctx->libctx,
s->ctx->propq))
return -1;
return 1;
}
int SSL_set_srp_server_param(SSL *s, const BIGNUM *N, const BIGNUM *g,
BIGNUM *sa, BIGNUM *v, char *info)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return -1;
if (N != NULL) {
if (sc->srp_ctx.N != NULL) {
if (!BN_copy(sc->srp_ctx.N, N)) {
BN_free(sc->srp_ctx.N);
sc->srp_ctx.N = NULL;
}
} else
sc->srp_ctx.N = BN_dup(N);
}
if (g != NULL) {
if (sc->srp_ctx.g != NULL) {
if (!BN_copy(sc->srp_ctx.g, g)) {
BN_free(sc->srp_ctx.g);
sc->srp_ctx.g = NULL;
}
} else
sc->srp_ctx.g = BN_dup(g);
}
if (sa != NULL) {
if (sc->srp_ctx.s != NULL) {
if (!BN_copy(sc->srp_ctx.s, sa)) {
BN_free(sc->srp_ctx.s);
sc->srp_ctx.s = NULL;
}
} else
sc->srp_ctx.s = BN_dup(sa);
}
if (v != NULL) {
if (sc->srp_ctx.v != NULL) {
if (!BN_copy(sc->srp_ctx.v, v)) {
BN_free(sc->srp_ctx.v);
sc->srp_ctx.v = NULL;
}
} else
sc->srp_ctx.v = BN_dup(v);
}
if (info != NULL) {
if (sc->srp_ctx.info)
OPENSSL_free(sc->srp_ctx.info);
if ((sc->srp_ctx.info = OPENSSL_strdup(info)) == NULL)
return -1;
}
if (!(sc->srp_ctx.N) ||
!(sc->srp_ctx.g) || !(sc->srp_ctx.s) || !(sc->srp_ctx.v))
return -1;
return 1;
}
int srp_generate_server_master_secret(SSL_CONNECTION *s)
{
BIGNUM *K = NULL, *u = NULL;
int ret = 0, tmp_len = 0;
unsigned char *tmp = NULL;
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
if (!SRP_Verify_A_mod_N(s->srp_ctx.A, s->srp_ctx.N))
goto err;
if ((u = SRP_Calc_u_ex(s->srp_ctx.A, s->srp_ctx.B, s->srp_ctx.N,
sctx->libctx, sctx->propq)) == NULL)
goto err;
if ((K = SRP_Calc_server_key(s->srp_ctx.A, s->srp_ctx.v, u, s->srp_ctx.b,
s->srp_ctx.N)) == NULL)
goto err;
tmp_len = BN_num_bytes(K);
if ((tmp = OPENSSL_malloc(tmp_len)) == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CRYPTO_LIB);
goto err;
}
BN_bn2bin(K, tmp);
ret = ssl_generate_master_secret(s, tmp, tmp_len, 1);
err:
BN_clear_free(K);
BN_clear_free(u);
return ret;
}
int srp_generate_client_master_secret(SSL_CONNECTION *s)
{
BIGNUM *x = NULL, *u = NULL, *K = NULL;
int ret = 0, tmp_len = 0;
char *passwd = NULL;
unsigned char *tmp = NULL;
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
if (SRP_Verify_B_mod_N(s->srp_ctx.B, s->srp_ctx.N) == 0
|| (u = SRP_Calc_u_ex(s->srp_ctx.A, s->srp_ctx.B, s->srp_ctx.N,
sctx->libctx, sctx->propq))
== NULL
|| s->srp_ctx.SRP_give_srp_client_pwd_callback == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
if ((passwd = s->srp_ctx.SRP_give_srp_client_pwd_callback(SSL_CONNECTION_GET_SSL(s),
s->srp_ctx.SRP_cb_arg))
== NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_CALLBACK_FAILED);
goto err;
}
if ((x = SRP_Calc_x_ex(s->srp_ctx.s, s->srp_ctx.login, passwd,
sctx->libctx, sctx->propq)) == NULL
|| (K = SRP_Calc_client_key_ex(s->srp_ctx.N, s->srp_ctx.B,
s->srp_ctx.g, x,
s->srp_ctx.a, u,
sctx->libctx,
sctx->propq)) == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
tmp_len = BN_num_bytes(K);
if ((tmp = OPENSSL_malloc(tmp_len)) == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CRYPTO_LIB);
goto err;
}
BN_bn2bin(K, tmp);
ret = ssl_generate_master_secret(s, tmp, tmp_len, 1);
err:
BN_clear_free(K);
BN_clear_free(x);
if (passwd != NULL)
OPENSSL_clear_free(passwd, strlen(passwd));
BN_clear_free(u);
return ret;
}
int srp_verify_server_param(SSL_CONNECTION *s)
{
SRP_CTX *srp = &s->srp_ctx;
if (BN_ucmp(srp->g, srp->N) >= 0 || BN_ucmp(srp->B, srp->N) >= 0
|| BN_is_zero(srp->B)) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_BAD_DATA);
return 0;
}
if (BN_num_bits(srp->N) < srp->strength) {
SSLfatal(s, SSL_AD_INSUFFICIENT_SECURITY, SSL_R_INSUFFICIENT_SECURITY);
return 0;
}
if (srp->SRP_verify_param_callback) {
if (srp->SRP_verify_param_callback(SSL_CONNECTION_GET_SSL(s),
srp->SRP_cb_arg) <= 0) {
SSLfatal(s, SSL_AD_INSUFFICIENT_SECURITY, SSL_R_CALLBACK_FAILED);
return 0;
}
} else if (!SRP_check_known_gN_param(srp->g, srp->N)) {
SSLfatal(s, SSL_AD_INSUFFICIENT_SECURITY,
SSL_R_INSUFFICIENT_SECURITY);
return 0;
}
return 1;
}
int ssl_srp_calc_a_param_intern(SSL_CONNECTION *s)
{
unsigned char rnd[SSL_MAX_MASTER_KEY_LENGTH];
if (RAND_priv_bytes_ex(SSL_CONNECTION_GET_CTX(s)->libctx,
rnd, sizeof(rnd), 0) <= 0)
return 0;
s->srp_ctx.a = BN_bin2bn(rnd, sizeof(rnd), s->srp_ctx.a);
OPENSSL_cleanse(rnd, sizeof(rnd));
if (!(s->srp_ctx.A = SRP_Calc_A(s->srp_ctx.a, s->srp_ctx.N, s->srp_ctx.g)))
return 0;
return 1;
}
int SRP_Calc_A_param(SSL *s)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return 0;
return ssl_srp_calc_a_param_intern(sc);
}
BIGNUM *SSL_get_srp_g(SSL *s)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return NULL;
if (sc->srp_ctx.g != NULL)
return sc->srp_ctx.g;
return s->ctx->srp_ctx.g;
}
BIGNUM *SSL_get_srp_N(SSL *s)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return NULL;
if (sc->srp_ctx.N != NULL)
return sc->srp_ctx.N;
return s->ctx->srp_ctx.N;
}
char *SSL_get_srp_username(SSL *s)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return NULL;
if (sc->srp_ctx.login != NULL)
return sc->srp_ctx.login;
return s->ctx->srp_ctx.login;
}
char *SSL_get_srp_userinfo(SSL *s)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return NULL;
if (sc->srp_ctx.info != NULL)
return sc->srp_ctx.info;
return s->ctx->srp_ctx.info;
}
# define tls1_ctx_ctrl ssl3_ctx_ctrl
# define tls1_ctx_callback_ctrl ssl3_ctx_callback_ctrl
int SSL_CTX_set_srp_username(SSL_CTX *ctx, char *name)
{
return tls1_ctx_ctrl(ctx, SSL_CTRL_SET_TLS_EXT_SRP_USERNAME, 0, name);
}
int SSL_CTX_set_srp_password(SSL_CTX *ctx, char *password)
{
return tls1_ctx_ctrl(ctx, SSL_CTRL_SET_TLS_EXT_SRP_PASSWORD, 0, password);
}
int SSL_CTX_set_srp_strength(SSL_CTX *ctx, int strength)
{
return tls1_ctx_ctrl(ctx, SSL_CTRL_SET_TLS_EXT_SRP_STRENGTH, strength,
NULL);
}
int SSL_CTX_set_srp_verify_param_callback(SSL_CTX *ctx,
int (*cb) (SSL *, void *))
{
return tls1_ctx_callback_ctrl(ctx, SSL_CTRL_SET_SRP_VERIFY_PARAM_CB,
(void (*)(void))cb);
}
int SSL_CTX_set_srp_cb_arg(SSL_CTX *ctx, void *arg)
{
return tls1_ctx_ctrl(ctx, SSL_CTRL_SET_SRP_ARG, 0, arg);
}
int SSL_CTX_set_srp_username_callback(SSL_CTX *ctx,
int (*cb) (SSL *, int *, void *))
{
return tls1_ctx_callback_ctrl(ctx, SSL_CTRL_SET_TLS_EXT_SRP_USERNAME_CB,
(void (*)(void))cb);
}
int SSL_CTX_set_srp_client_pwd_callback(SSL_CTX *ctx,
char *(*cb) (SSL *, void *))
{
return tls1_ctx_callback_ctrl(ctx, SSL_CTRL_SET_SRP_GIVE_CLIENT_PWD_CB,
(void (*)(void))cb);
}
#endif
| ssl | openssl/ssl/tls_srp.c | openssl |
#include "ssl_local.h"
#include <openssl/bn.h>
struct pqueue_st {
pitem *items;
int count;
};
pitem *pitem_new(unsigned char *prio64be, void *data)
{
pitem *item = OPENSSL_malloc(sizeof(*item));
if (item == NULL)
return NULL;
memcpy(item->priority, prio64be, sizeof(item->priority));
item->data = data;
item->next = NULL;
return item;
}
void pitem_free(pitem *item)
{
OPENSSL_free(item);
}
pqueue *pqueue_new(void)
{
pqueue *pq = OPENSSL_zalloc(sizeof(*pq));
return pq;
}
void pqueue_free(pqueue *pq)
{
OPENSSL_free(pq);
}
pitem *pqueue_insert(pqueue *pq, pitem *item)
{
pitem *curr, *next;
if (pq->items == NULL) {
pq->items = item;
return item;
}
for (curr = NULL, next = pq->items;
next != NULL; curr = next, next = next->next) {
int cmp = memcmp(next->priority, item->priority, 8);
if (cmp > 0) {
item->next = next;
if (curr == NULL)
pq->items = item;
else
curr->next = item;
return item;
}
else if (cmp == 0)
return NULL;
}
item->next = NULL;
curr->next = item;
return item;
}
pitem *pqueue_peek(pqueue *pq)
{
return pq->items;
}
pitem *pqueue_pop(pqueue *pq)
{
pitem *item = pq->items;
if (pq->items != NULL)
pq->items = pq->items->next;
return item;
}
pitem *pqueue_find(pqueue *pq, unsigned char *prio64be)
{
pitem *next;
pitem *found = NULL;
if (pq->items == NULL)
return NULL;
for (next = pq->items; next->next != NULL; next = next->next) {
if (memcmp(next->priority, prio64be, 8) == 0) {
found = next;
break;
}
}
if (memcmp(next->priority, prio64be, 8) == 0)
found = next;
if (!found)
return NULL;
return found;
}
pitem *pqueue_iterator(pqueue *pq)
{
return pqueue_peek(pq);
}
pitem *pqueue_next(piterator *item)
{
pitem *ret;
if (item == NULL || *item == NULL)
return NULL;
ret = *item;
*item = (*item)->next;
return ret;
}
size_t pqueue_size(pqueue *pq)
{
pitem *item = pq->items;
size_t count = 0;
while (item != NULL) {
count++;
item = item->next;
}
return count;
}
| ssl | openssl/ssl/pqueue.c | openssl |
#include <stdio.h>
#include <openssl/macros.h>
#include <openssl/objects.h>
#include "ssl_local.h"
IMPLEMENT_tls_meth_func(TLS_ANY_VERSION, 0, 0,
TLS_method,
ossl_statem_accept,
ossl_statem_connect, TLSv1_2_enc_data)
IMPLEMENT_tls_meth_func(TLS1_3_VERSION, 0, SSL_OP_NO_TLSv1_3,
tlsv1_3_method,
ossl_statem_accept,
ossl_statem_connect, TLSv1_3_enc_data)
#ifndef OPENSSL_NO_TLS1_2_METHOD
IMPLEMENT_tls_meth_func(TLS1_2_VERSION, 0, SSL_OP_NO_TLSv1_2,
tlsv1_2_method,
ossl_statem_accept,
ossl_statem_connect, TLSv1_2_enc_data)
#endif
#ifndef OPENSSL_NO_TLS1_1_METHOD
IMPLEMENT_tls_meth_func(TLS1_1_VERSION, SSL_METHOD_NO_SUITEB, SSL_OP_NO_TLSv1_1,
tlsv1_1_method,
ossl_statem_accept,
ossl_statem_connect, TLSv1_1_enc_data)
#endif
#ifndef OPENSSL_NO_TLS1_METHOD
IMPLEMENT_tls_meth_func(TLS1_VERSION, SSL_METHOD_NO_SUITEB, SSL_OP_NO_TLSv1,
tlsv1_method,
ossl_statem_accept, ossl_statem_connect, TLSv1_enc_data)
#endif
#ifndef OPENSSL_NO_SSL3_METHOD
IMPLEMENT_ssl3_meth_func(sslv3_method, ossl_statem_accept, ossl_statem_connect)
#endif
IMPLEMENT_tls_meth_func(TLS_ANY_VERSION, 0, 0,
TLS_server_method,
ossl_statem_accept,
ssl_undefined_function, TLSv1_2_enc_data)
IMPLEMENT_tls_meth_func(TLS1_3_VERSION, 0, SSL_OP_NO_TLSv1_3,
tlsv1_3_server_method,
ossl_statem_accept,
ssl_undefined_function, TLSv1_3_enc_data)
#ifndef OPENSSL_NO_TLS1_2_METHOD
IMPLEMENT_tls_meth_func(TLS1_2_VERSION, 0, SSL_OP_NO_TLSv1_2,
tlsv1_2_server_method,
ossl_statem_accept,
ssl_undefined_function, TLSv1_2_enc_data)
#endif
#ifndef OPENSSL_NO_TLS1_1_METHOD
IMPLEMENT_tls_meth_func(TLS1_1_VERSION, SSL_METHOD_NO_SUITEB, SSL_OP_NO_TLSv1_1,
tlsv1_1_server_method,
ossl_statem_accept,
ssl_undefined_function, TLSv1_1_enc_data)
#endif
#ifndef OPENSSL_NO_TLS1_METHOD
IMPLEMENT_tls_meth_func(TLS1_VERSION, SSL_METHOD_NO_SUITEB, SSL_OP_NO_TLSv1,
tlsv1_server_method,
ossl_statem_accept,
ssl_undefined_function, TLSv1_enc_data)
#endif
#ifndef OPENSSL_NO_SSL3_METHOD
IMPLEMENT_ssl3_meth_func(sslv3_server_method,
ossl_statem_accept, ssl_undefined_function)
#endif
IMPLEMENT_tls_meth_func(TLS_ANY_VERSION, 0, 0,
TLS_client_method,
ssl_undefined_function,
ossl_statem_connect, TLSv1_2_enc_data)
IMPLEMENT_tls_meth_func(TLS1_3_VERSION, 0, SSL_OP_NO_TLSv1_3,
tlsv1_3_client_method,
ssl_undefined_function,
ossl_statem_connect, TLSv1_3_enc_data)
#ifndef OPENSSL_NO_TLS1_2_METHOD
IMPLEMENT_tls_meth_func(TLS1_2_VERSION, 0, SSL_OP_NO_TLSv1_2,
tlsv1_2_client_method,
ssl_undefined_function,
ossl_statem_connect, TLSv1_2_enc_data)
#endif
#ifndef OPENSSL_NO_TLS1_1_METHOD
IMPLEMENT_tls_meth_func(TLS1_1_VERSION, SSL_METHOD_NO_SUITEB, SSL_OP_NO_TLSv1_1,
tlsv1_1_client_method,
ssl_undefined_function,
ossl_statem_connect, TLSv1_1_enc_data)
#endif
#ifndef OPENSSL_NO_TLS1_METHOD
IMPLEMENT_tls_meth_func(TLS1_VERSION, SSL_METHOD_NO_SUITEB, SSL_OP_NO_TLSv1,
tlsv1_client_method,
ssl_undefined_function,
ossl_statem_connect, TLSv1_enc_data)
#endif
#ifndef OPENSSL_NO_SSL3_METHOD
IMPLEMENT_ssl3_meth_func(sslv3_client_method,
ssl_undefined_function, ossl_statem_connect)
#endif
#ifndef OPENSSL_NO_DTLS1_METHOD
IMPLEMENT_dtls1_meth_func(DTLS1_VERSION, SSL_METHOD_NO_SUITEB, SSL_OP_NO_DTLSv1,
dtlsv1_method,
ossl_statem_accept,
ossl_statem_connect, DTLSv1_enc_data)
#endif
#ifndef OPENSSL_NO_DTLS1_2_METHOD
IMPLEMENT_dtls1_meth_func(DTLS1_2_VERSION, 0, SSL_OP_NO_DTLSv1_2,
dtlsv1_2_method,
ossl_statem_accept,
ossl_statem_connect, DTLSv1_2_enc_data)
#endif
IMPLEMENT_dtls1_meth_func(DTLS_ANY_VERSION, 0, 0,
DTLS_method,
ossl_statem_accept,
ossl_statem_connect, DTLSv1_2_enc_data)
#ifndef OPENSSL_NO_DTLS1_METHOD
IMPLEMENT_dtls1_meth_func(DTLS1_VERSION, SSL_METHOD_NO_SUITEB, SSL_OP_NO_DTLSv1,
dtlsv1_server_method,
ossl_statem_accept,
ssl_undefined_function, DTLSv1_enc_data)
#endif
#ifndef OPENSSL_NO_DTLS1_2_METHOD
IMPLEMENT_dtls1_meth_func(DTLS1_2_VERSION, 0, SSL_OP_NO_DTLSv1_2,
dtlsv1_2_server_method,
ossl_statem_accept,
ssl_undefined_function, DTLSv1_2_enc_data)
#endif
IMPLEMENT_dtls1_meth_func(DTLS_ANY_VERSION, 0, 0,
DTLS_server_method,
ossl_statem_accept,
ssl_undefined_function, DTLSv1_2_enc_data)
#ifndef OPENSSL_NO_DTLS1_METHOD
IMPLEMENT_dtls1_meth_func(DTLS1_VERSION, SSL_METHOD_NO_SUITEB, SSL_OP_NO_DTLSv1,
dtlsv1_client_method,
ssl_undefined_function,
ossl_statem_connect, DTLSv1_enc_data)
IMPLEMENT_dtls1_meth_func(DTLS1_BAD_VER, SSL_METHOD_NO_SUITEB, SSL_OP_NO_DTLSv1,
dtls_bad_ver_client_method,
ssl_undefined_function,
ossl_statem_connect, DTLSv1_enc_data)
#endif
#ifndef OPENSSL_NO_DTLS1_2_METHOD
IMPLEMENT_dtls1_meth_func(DTLS1_2_VERSION, 0, SSL_OP_NO_DTLSv1_2,
dtlsv1_2_client_method,
ssl_undefined_function,
ossl_statem_connect, DTLSv1_2_enc_data)
#endif
IMPLEMENT_dtls1_meth_func(DTLS_ANY_VERSION, 0, 0,
DTLS_client_method,
ssl_undefined_function,
ossl_statem_connect, DTLSv1_2_enc_data)
#ifndef OPENSSL_NO_DEPRECATED_1_1_0
# ifndef OPENSSL_NO_TLS1_2_METHOD
const SSL_METHOD *TLSv1_2_method(void)
{
return tlsv1_2_method();
}
const SSL_METHOD *TLSv1_2_server_method(void)
{
return tlsv1_2_server_method();
}
const SSL_METHOD *TLSv1_2_client_method(void)
{
return tlsv1_2_client_method();
}
# endif
# ifndef OPENSSL_NO_TLS1_1_METHOD
const SSL_METHOD *TLSv1_1_method(void)
{
return tlsv1_1_method();
}
const SSL_METHOD *TLSv1_1_server_method(void)
{
return tlsv1_1_server_method();
}
const SSL_METHOD *TLSv1_1_client_method(void)
{
return tlsv1_1_client_method();
}
# endif
# ifndef OPENSSL_NO_TLS1_METHOD
const SSL_METHOD *TLSv1_method(void)
{
return tlsv1_method();
}
const SSL_METHOD *TLSv1_server_method(void)
{
return tlsv1_server_method();
}
const SSL_METHOD *TLSv1_client_method(void)
{
return tlsv1_client_method();
}
# endif
# ifndef OPENSSL_NO_SSL3_METHOD
const SSL_METHOD *SSLv3_method(void)
{
return sslv3_method();
}
const SSL_METHOD *SSLv3_server_method(void)
{
return sslv3_server_method();
}
const SSL_METHOD *SSLv3_client_method(void)
{
return sslv3_client_method();
}
# endif
# ifndef OPENSSL_NO_DTLS1_2_METHOD
const SSL_METHOD *DTLSv1_2_method(void)
{
return dtlsv1_2_method();
}
const SSL_METHOD *DTLSv1_2_server_method(void)
{
return dtlsv1_2_server_method();
}
const SSL_METHOD *DTLSv1_2_client_method(void)
{
return dtlsv1_2_client_method();
}
# endif
# ifndef OPENSSL_NO_DTLS1_METHOD
const SSL_METHOD *DTLSv1_method(void)
{
return dtlsv1_method();
}
const SSL_METHOD *DTLSv1_server_method(void)
{
return dtlsv1_server_method();
}
const SSL_METHOD *DTLSv1_client_method(void)
{
return dtlsv1_client_method();
}
# endif
#endif
| ssl | openssl/ssl/methods.c | openssl |
#include "ssl_local.h"
#ifndef OPENSSL_NO_UNIT_TEST
static const struct openssl_ssl_test_functions ssl_test_functions = {
ssl_init_wbio_buffer,
};
const struct openssl_ssl_test_functions *SSL_test_functions(void)
{
return &ssl_test_functions;
}
#endif
| ssl | openssl/ssl/ssl_utst.c | openssl |
#include "ssl_local.h"
int ssl3_do_change_cipher_spec(SSL_CONNECTION *s)
{
int i;
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
if (s->server)
i = SSL3_CHANGE_CIPHER_SERVER_READ;
else
i = SSL3_CHANGE_CIPHER_CLIENT_READ;
if (s->s3.tmp.key_block == NULL) {
if (s->session == NULL || s->session->master_key_length == 0) {
ERR_raise(ERR_LIB_SSL, SSL_R_CCS_RECEIVED_EARLY);
return 0;
}
s->session->cipher = s->s3.tmp.new_cipher;
if (!ssl->method->ssl3_enc->setup_key_block(s)) {
return 0;
}
}
if (!ssl->method->ssl3_enc->change_cipher_state(s, i)) {
return 0;
}
return 1;
}
int ssl3_send_alert(SSL_CONNECTION *s, int level, int desc)
{
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
if (SSL_CONNECTION_TREAT_AS_TLS13(s))
desc = tls13_alert_code(desc);
else
desc = ssl->method->ssl3_enc->alert_value(desc);
if (s->version == SSL3_VERSION && desc == SSL_AD_PROTOCOL_VERSION)
desc = SSL_AD_HANDSHAKE_FAILURE;
if (desc < 0)
return -1;
if (s->shutdown & SSL_SENT_SHUTDOWN && desc != SSL_AD_CLOSE_NOTIFY)
return -1;
if ((level == SSL3_AL_FATAL) && (s->session != NULL))
SSL_CTX_remove_session(s->session_ctx, s->session);
s->s3.alert_dispatch = SSL_ALERT_DISPATCH_PENDING;
s->s3.send_alert[0] = level;
s->s3.send_alert[1] = desc;
if (!RECORD_LAYER_write_pending(&s->rlayer)) {
return ssl->method->ssl_dispatch_alert(ssl);
}
return -1;
}
int ssl3_dispatch_alert(SSL *s)
{
int i, j;
void (*cb) (const SSL *ssl, int type, int val) = NULL;
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
OSSL_RECORD_TEMPLATE templ;
if (sc == NULL)
return -1;
if (sc->rlayer.wrlmethod == NULL) {
sc->s3.alert_dispatch = SSL_ALERT_DISPATCH_NONE;
return 1;
}
templ.type = SSL3_RT_ALERT;
templ.version = (sc->version == TLS1_3_VERSION) ? TLS1_2_VERSION
: sc->version;
if (SSL_get_state(s) == TLS_ST_CW_CLNT_HELLO
&& !sc->renegotiate
&& TLS1_get_version(s) > TLS1_VERSION
&& sc->hello_retry_request == SSL_HRR_NONE) {
templ.version = TLS1_VERSION;
}
templ.buf = &sc->s3.send_alert[0];
templ.buflen = 2;
if (RECORD_LAYER_write_pending(&sc->rlayer)) {
if (sc->s3.alert_dispatch != SSL_ALERT_DISPATCH_RETRY) {
sc->s3.alert_dispatch = SSL_ALERT_DISPATCH_NONE;
return -1;
}
i = HANDLE_RLAYER_WRITE_RETURN(sc,
sc->rlayer.wrlmethod->retry_write_records(sc->rlayer.wrl));
if (i <= 0) {
return -1;
}
sc->rlayer.wpend_tot = 0;
sc->s3.alert_dispatch = SSL_ALERT_DISPATCH_NONE;
return 1;
}
i = HANDLE_RLAYER_WRITE_RETURN(sc,
sc->rlayer.wrlmethod->write_records(sc->rlayer.wrl, &templ, 1));
if (i <= 0) {
sc->s3.alert_dispatch = SSL_ALERT_DISPATCH_RETRY;
sc->rlayer.wpend_tot = templ.buflen;
sc->rlayer.wpend_type = templ.type;
sc->rlayer.wpend_buf = templ.buf;
} else {
(void)BIO_flush(sc->wbio);
sc->s3.alert_dispatch = SSL_ALERT_DISPATCH_NONE;
if (sc->msg_callback)
sc->msg_callback(1, sc->version, SSL3_RT_ALERT, sc->s3.send_alert,
2, s, sc->msg_callback_arg);
if (sc->info_callback != NULL)
cb = sc->info_callback;
else if (s->ctx->info_callback != NULL)
cb = s->ctx->info_callback;
if (cb != NULL) {
j = (sc->s3.send_alert[0] << 8) | sc->s3.send_alert[1];
cb(s, SSL_CB_WRITE_ALERT, j);
}
}
return i;
}
| ssl | openssl/ssl/s3_msg.c | openssl |
#include <stdio.h>
#include <stdlib.h>
#include "ssl_local.h"
#include <openssl/asn1t.h>
#include <openssl/encoder.h>
#include <openssl/x509.h>
typedef struct {
uint32_t version;
int32_t ssl_version;
ASN1_OCTET_STRING *cipher;
ASN1_OCTET_STRING *comp_id;
ASN1_OCTET_STRING *master_key;
ASN1_OCTET_STRING *session_id;
ASN1_OCTET_STRING *key_arg;
int64_t time;
int64_t timeout;
X509 *peer;
ASN1_OCTET_STRING *session_id_context;
int32_t verify_result;
ASN1_OCTET_STRING *tlsext_hostname;
uint64_t tlsext_tick_lifetime_hint;
uint32_t tlsext_tick_age_add;
ASN1_OCTET_STRING *tlsext_tick;
#ifndef OPENSSL_NO_PSK
ASN1_OCTET_STRING *psk_identity_hint;
ASN1_OCTET_STRING *psk_identity;
#endif
#ifndef OPENSSL_NO_SRP
ASN1_OCTET_STRING *srp_username;
#endif
uint64_t flags;
uint32_t max_early_data;
ASN1_OCTET_STRING *alpn_selected;
uint32_t tlsext_max_fragment_len_mode;
ASN1_OCTET_STRING *ticket_appdata;
uint32_t kex_group;
ASN1_OCTET_STRING *peer_rpk;
} SSL_SESSION_ASN1;
ASN1_SEQUENCE(SSL_SESSION_ASN1) = {
ASN1_EMBED(SSL_SESSION_ASN1, version, UINT32),
ASN1_EMBED(SSL_SESSION_ASN1, ssl_version, INT32),
ASN1_SIMPLE(SSL_SESSION_ASN1, cipher, ASN1_OCTET_STRING),
ASN1_SIMPLE(SSL_SESSION_ASN1, session_id, ASN1_OCTET_STRING),
ASN1_SIMPLE(SSL_SESSION_ASN1, master_key, ASN1_OCTET_STRING),
ASN1_IMP_OPT(SSL_SESSION_ASN1, key_arg, ASN1_OCTET_STRING, 0),
ASN1_EXP_OPT_EMBED(SSL_SESSION_ASN1, time, ZINT64, 1),
ASN1_EXP_OPT_EMBED(SSL_SESSION_ASN1, timeout, ZINT64, 2),
ASN1_EXP_OPT(SSL_SESSION_ASN1, peer, X509, 3),
ASN1_EXP_OPT(SSL_SESSION_ASN1, session_id_context, ASN1_OCTET_STRING, 4),
ASN1_EXP_OPT_EMBED(SSL_SESSION_ASN1, verify_result, ZINT32, 5),
ASN1_EXP_OPT(SSL_SESSION_ASN1, tlsext_hostname, ASN1_OCTET_STRING, 6),
#ifndef OPENSSL_NO_PSK
ASN1_EXP_OPT(SSL_SESSION_ASN1, psk_identity_hint, ASN1_OCTET_STRING, 7),
ASN1_EXP_OPT(SSL_SESSION_ASN1, psk_identity, ASN1_OCTET_STRING, 8),
#endif
ASN1_EXP_OPT_EMBED(SSL_SESSION_ASN1, tlsext_tick_lifetime_hint, ZUINT64, 9),
ASN1_EXP_OPT(SSL_SESSION_ASN1, tlsext_tick, ASN1_OCTET_STRING, 10),
ASN1_EXP_OPT(SSL_SESSION_ASN1, comp_id, ASN1_OCTET_STRING, 11),
#ifndef OPENSSL_NO_SRP
ASN1_EXP_OPT(SSL_SESSION_ASN1, srp_username, ASN1_OCTET_STRING, 12),
#endif
ASN1_EXP_OPT_EMBED(SSL_SESSION_ASN1, flags, ZUINT64, 13),
ASN1_EXP_OPT_EMBED(SSL_SESSION_ASN1, tlsext_tick_age_add, ZUINT32, 14),
ASN1_EXP_OPT_EMBED(SSL_SESSION_ASN1, max_early_data, ZUINT32, 15),
ASN1_EXP_OPT(SSL_SESSION_ASN1, alpn_selected, ASN1_OCTET_STRING, 16),
ASN1_EXP_OPT_EMBED(SSL_SESSION_ASN1, tlsext_max_fragment_len_mode, ZUINT32, 17),
ASN1_EXP_OPT(SSL_SESSION_ASN1, ticket_appdata, ASN1_OCTET_STRING, 18),
ASN1_EXP_OPT_EMBED(SSL_SESSION_ASN1, kex_group, UINT32, 19),
ASN1_EXP_OPT(SSL_SESSION_ASN1, peer_rpk, ASN1_OCTET_STRING, 20)
} static_ASN1_SEQUENCE_END(SSL_SESSION_ASN1)
IMPLEMENT_STATIC_ASN1_ENCODE_FUNCTIONS(SSL_SESSION_ASN1)
static void ssl_session_oinit(ASN1_OCTET_STRING **dest, ASN1_OCTET_STRING *os,
const unsigned char *data, size_t len)
{
os->data = (unsigned char *)data;
os->length = (int)len;
os->flags = 0;
*dest = os;
}
static void ssl_session_sinit(ASN1_OCTET_STRING **dest, ASN1_OCTET_STRING *os,
const char *data)
{
if (data != NULL)
ssl_session_oinit(dest, os, (const unsigned char *)data, strlen(data));
else
*dest = NULL;
}
int i2d_SSL_SESSION(const SSL_SESSION *in, unsigned char **pp)
{
SSL_SESSION_ASN1 as;
ASN1_OCTET_STRING cipher;
unsigned char cipher_data[2];
ASN1_OCTET_STRING master_key, session_id, sid_ctx;
#ifndef OPENSSL_NO_COMP
ASN1_OCTET_STRING comp_id;
unsigned char comp_id_data;
#endif
ASN1_OCTET_STRING tlsext_hostname, tlsext_tick;
#ifndef OPENSSL_NO_SRP
ASN1_OCTET_STRING srp_username;
#endif
#ifndef OPENSSL_NO_PSK
ASN1_OCTET_STRING psk_identity, psk_identity_hint;
#endif
ASN1_OCTET_STRING alpn_selected;
ASN1_OCTET_STRING ticket_appdata;
ASN1_OCTET_STRING peer_rpk;
long l;
int ret;
if ((in == NULL) || ((in->cipher == NULL) && (in->cipher_id == 0)))
return 0;
memset(&as, 0, sizeof(as));
as.version = SSL_SESSION_ASN1_VERSION;
as.ssl_version = in->ssl_version;
as.kex_group = in->kex_group;
if (in->cipher == NULL)
l = in->cipher_id;
else
l = in->cipher->id;
cipher_data[0] = ((unsigned char)(l >> 8L)) & 0xff;
cipher_data[1] = ((unsigned char)(l)) & 0xff;
ssl_session_oinit(&as.cipher, &cipher, cipher_data, 2);
#ifndef OPENSSL_NO_COMP
if (in->compress_meth) {
comp_id_data = (unsigned char)in->compress_meth;
ssl_session_oinit(&as.comp_id, &comp_id, &comp_id_data, 1);
}
#endif
ssl_session_oinit(&as.master_key, &master_key,
in->master_key, in->master_key_length);
ssl_session_oinit(&as.session_id, &session_id,
in->session_id, in->session_id_length);
ssl_session_oinit(&as.session_id_context, &sid_ctx,
in->sid_ctx, in->sid_ctx_length);
as.time = (int64_t)ossl_time_to_time_t(in->time);
as.timeout = (int64_t)ossl_time2seconds(in->timeout);
as.verify_result = in->verify_result;
as.peer = in->peer;
as.peer_rpk = NULL;
peer_rpk.data = NULL;
if (in->peer_rpk != NULL) {
peer_rpk.length = i2d_PUBKEY(in->peer_rpk, &peer_rpk.data);
if (peer_rpk.length > 0 && peer_rpk.data != NULL)
as.peer_rpk = &peer_rpk;
}
ssl_session_sinit(&as.tlsext_hostname, &tlsext_hostname,
in->ext.hostname);
if (in->ext.tick) {
ssl_session_oinit(&as.tlsext_tick, &tlsext_tick,
in->ext.tick, in->ext.ticklen);
}
if (in->ext.tick_lifetime_hint > 0)
as.tlsext_tick_lifetime_hint = in->ext.tick_lifetime_hint;
as.tlsext_tick_age_add = in->ext.tick_age_add;
#ifndef OPENSSL_NO_PSK
ssl_session_sinit(&as.psk_identity_hint, &psk_identity_hint,
in->psk_identity_hint);
ssl_session_sinit(&as.psk_identity, &psk_identity, in->psk_identity);
#endif
#ifndef OPENSSL_NO_SRP
ssl_session_sinit(&as.srp_username, &srp_username, in->srp_username);
#endif
as.flags = in->flags;
as.max_early_data = in->ext.max_early_data;
if (in->ext.alpn_selected == NULL)
as.alpn_selected = NULL;
else
ssl_session_oinit(&as.alpn_selected, &alpn_selected,
in->ext.alpn_selected, in->ext.alpn_selected_len);
as.tlsext_max_fragment_len_mode = in->ext.max_fragment_len_mode;
if (in->ticket_appdata == NULL)
as.ticket_appdata = NULL;
else
ssl_session_oinit(&as.ticket_appdata, &ticket_appdata,
in->ticket_appdata, in->ticket_appdata_len);
ret = i2d_SSL_SESSION_ASN1(&as, pp);
OPENSSL_free(peer_rpk.data);
return ret;
}
static int ssl_session_strndup(char **pdst, ASN1_OCTET_STRING *src)
{
OPENSSL_free(*pdst);
*pdst = NULL;
if (src == NULL)
return 1;
*pdst = OPENSSL_strndup((char *)src->data, src->length);
if (*pdst == NULL)
return 0;
return 1;
}
static int ssl_session_memcpy(unsigned char *dst, size_t *pdstlen,
ASN1_OCTET_STRING *src, size_t maxlen)
{
if (src == NULL || src->length == 0) {
*pdstlen = 0;
return 1;
}
if (src->length < 0 || src->length > (int)maxlen)
return 0;
memcpy(dst, src->data, src->length);
*pdstlen = src->length;
return 1;
}
SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a, const unsigned char **pp,
long length)
{
return d2i_SSL_SESSION_ex(a, pp, length, NULL, NULL);
}
SSL_SESSION *d2i_SSL_SESSION_ex(SSL_SESSION **a, const unsigned char **pp,
long length, OSSL_LIB_CTX *libctx,
const char *propq)
{
long id;
size_t tmpl;
const unsigned char *p = *pp;
SSL_SESSION_ASN1 *as = NULL;
SSL_SESSION *ret = NULL;
as = d2i_SSL_SESSION_ASN1(NULL, &p, length);
if (as == NULL)
goto err;
if (a == NULL || *a == NULL) {
ret = SSL_SESSION_new();
if (ret == NULL)
goto err;
} else {
ret = *a;
}
if (as->version != SSL_SESSION_ASN1_VERSION) {
ERR_raise(ERR_LIB_SSL, SSL_R_UNKNOWN_SSL_VERSION);
goto err;
}
if ((as->ssl_version >> 8) != SSL3_VERSION_MAJOR
&& (as->ssl_version >> 8) != DTLS1_VERSION_MAJOR
&& as->ssl_version != DTLS1_BAD_VER) {
ERR_raise(ERR_LIB_SSL, SSL_R_UNSUPPORTED_SSL_VERSION);
goto err;
}
ret->ssl_version = (int)as->ssl_version;
ret->kex_group = as->kex_group;
if (as->cipher->length != 2) {
ERR_raise(ERR_LIB_SSL, SSL_R_CIPHER_CODE_WRONG_LENGTH);
goto err;
}
id = 0x03000000L | ((unsigned long)as->cipher->data[0] << 8L)
| (unsigned long)as->cipher->data[1];
ret->cipher_id = id;
ret->cipher = ssl3_get_cipher_by_id(id);
if (ret->cipher == NULL)
goto err;
if (!ssl_session_memcpy(ret->session_id, &ret->session_id_length,
as->session_id, SSL3_MAX_SSL_SESSION_ID_LENGTH))
goto err;
if (!ssl_session_memcpy(ret->master_key, &tmpl,
as->master_key, TLS13_MAX_RESUMPTION_PSK_LENGTH))
goto err;
ret->master_key_length = tmpl;
if (as->time != 0)
ret->time = ossl_time_from_time_t(as->time);
else
ret->time = ossl_time_now();
if (as->timeout != 0)
ret->timeout = ossl_seconds2time(as->timeout);
else
ret->timeout = ossl_seconds2time(3);
ssl_session_calculate_timeout(ret);
X509_free(ret->peer);
ret->peer = as->peer;
as->peer = NULL;
EVP_PKEY_free(ret->peer_rpk);
ret->peer_rpk = NULL;
if (as->peer_rpk != NULL) {
const unsigned char *data = as->peer_rpk->data;
ret->peer_rpk = d2i_PUBKEY_ex(NULL, &data, as->peer_rpk->length, libctx, propq);
if (ret->peer_rpk == NULL)
goto err;
}
if (!ssl_session_memcpy(ret->sid_ctx, &ret->sid_ctx_length,
as->session_id_context, SSL_MAX_SID_CTX_LENGTH))
goto err;
ret->verify_result = as->verify_result;
if (!ssl_session_strndup(&ret->ext.hostname, as->tlsext_hostname))
goto err;
#ifndef OPENSSL_NO_PSK
if (!ssl_session_strndup(&ret->psk_identity_hint, as->psk_identity_hint))
goto err;
if (!ssl_session_strndup(&ret->psk_identity, as->psk_identity))
goto err;
#endif
ret->ext.tick_lifetime_hint = (unsigned long)as->tlsext_tick_lifetime_hint;
ret->ext.tick_age_add = as->tlsext_tick_age_add;
OPENSSL_free(ret->ext.tick);
if (as->tlsext_tick != NULL) {
ret->ext.tick = as->tlsext_tick->data;
ret->ext.ticklen = as->tlsext_tick->length;
as->tlsext_tick->data = NULL;
} else {
ret->ext.tick = NULL;
}
#ifndef OPENSSL_NO_COMP
if (as->comp_id) {
if (as->comp_id->length != 1) {
ERR_raise(ERR_LIB_SSL, SSL_R_BAD_LENGTH);
goto err;
}
ret->compress_meth = as->comp_id->data[0];
} else {
ret->compress_meth = 0;
}
#endif
#ifndef OPENSSL_NO_SRP
if (!ssl_session_strndup(&ret->srp_username, as->srp_username))
goto err;
#endif
ret->flags = (int32_t)as->flags;
ret->ext.max_early_data = as->max_early_data;
OPENSSL_free(ret->ext.alpn_selected);
if (as->alpn_selected != NULL) {
ret->ext.alpn_selected = as->alpn_selected->data;
ret->ext.alpn_selected_len = as->alpn_selected->length;
as->alpn_selected->data = NULL;
} else {
ret->ext.alpn_selected = NULL;
ret->ext.alpn_selected_len = 0;
}
ret->ext.max_fragment_len_mode = as->tlsext_max_fragment_len_mode;
OPENSSL_free(ret->ticket_appdata);
if (as->ticket_appdata != NULL) {
ret->ticket_appdata = as->ticket_appdata->data;
ret->ticket_appdata_len = as->ticket_appdata->length;
as->ticket_appdata->data = NULL;
} else {
ret->ticket_appdata = NULL;
ret->ticket_appdata_len = 0;
}
M_ASN1_free_of(as, SSL_SESSION_ASN1);
if ((a != NULL) && (*a == NULL))
*a = ret;
*pp = p;
return ret;
err:
M_ASN1_free_of(as, SSL_SESSION_ASN1);
if ((a == NULL) || (*a != ret))
SSL_SESSION_free(ret);
return NULL;
}
| ssl | openssl/ssl/ssl_asn1.c | openssl |
#include <openssl/err.h>
#include <openssl/sslerr.h>
#include "sslerr.h"
#ifndef OPENSSL_NO_ERR
static const ERR_STRING_DATA SSL_str_reasons[] = {
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_APPLICATION_DATA_AFTER_CLOSE_NOTIFY),
"application data after close notify"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_APP_DATA_IN_HANDSHAKE),
"app data in handshake"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_ATTEMPT_TO_REUSE_SESSION_IN_DIFFERENT_CONTEXT),
"attempt to reuse session in different context"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_AT_LEAST_TLS_1_2_NEEDED_IN_SUITEB_MODE),
"at least (D)TLS 1.2 needed in Suite B mode"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_BAD_CERTIFICATE), "bad certificate"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_BAD_CHANGE_CIPHER_SPEC),
"bad change cipher spec"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_BAD_CIPHER), "bad cipher"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_BAD_COMPRESSION_ALGORITHM),
"bad compression algorithm"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_BAD_DATA), "bad data"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_BAD_DATA_RETURNED_BY_CALLBACK),
"bad data returned by callback"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_BAD_DECOMPRESSION), "bad decompression"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_BAD_DH_VALUE), "bad dh value"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_BAD_DIGEST_LENGTH), "bad digest length"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_BAD_EARLY_DATA), "bad early data"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_BAD_ECC_CERT), "bad ecc cert"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_BAD_ECPOINT), "bad ecpoint"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_BAD_EXTENSION), "bad extension"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_BAD_HANDSHAKE_LENGTH),
"bad handshake length"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_BAD_HANDSHAKE_STATE),
"bad handshake state"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_BAD_HELLO_REQUEST), "bad hello request"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_BAD_HRR_VERSION), "bad hrr version"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_BAD_KEY_SHARE), "bad key share"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_BAD_KEY_UPDATE), "bad key update"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_BAD_LEGACY_VERSION), "bad legacy version"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_BAD_LENGTH), "bad length"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_BAD_PACKET), "bad packet"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_BAD_PACKET_LENGTH), "bad packet length"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_BAD_PROTOCOL_VERSION_NUMBER),
"bad protocol version number"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_BAD_PSK), "bad psk"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_BAD_PSK_IDENTITY), "bad psk identity"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_BAD_RECORD_TYPE), "bad record type"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_BAD_RSA_ENCRYPT), "bad rsa encrypt"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_BAD_SIGNATURE), "bad signature"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_BAD_SRP_A_LENGTH), "bad srp a length"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_BAD_SRP_PARAMETERS), "bad srp parameters"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_BAD_SRTP_MKI_VALUE), "bad srtp mki value"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_BAD_SRTP_PROTECTION_PROFILE_LIST),
"bad srtp protection profile list"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_BAD_SSL_FILETYPE), "bad ssl filetype"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_BAD_VALUE), "bad value"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_BAD_WRITE_RETRY), "bad write retry"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_BINDER_DOES_NOT_VERIFY),
"binder does not verify"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_BIO_NOT_SET), "bio not set"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_BLOCK_CIPHER_PAD_IS_WRONG),
"block cipher pad is wrong"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_BN_LIB), "bn lib"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_CALLBACK_FAILED), "callback failed"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_CANNOT_CHANGE_CIPHER),
"cannot change cipher"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_CANNOT_GET_GROUP_NAME),
"cannot get group name"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_CA_DN_LENGTH_MISMATCH),
"ca dn length mismatch"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_CA_KEY_TOO_SMALL), "ca key too small"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_CA_MD_TOO_WEAK), "ca md too weak"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_CCS_RECEIVED_EARLY), "ccs received early"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_CERTIFICATE_VERIFY_FAILED),
"certificate verify failed"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_CERT_CB_ERROR), "cert cb error"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_CERT_LENGTH_MISMATCH),
"cert length mismatch"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_CIPHERSUITE_DIGEST_HAS_CHANGED),
"ciphersuite digest has changed"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_CIPHER_CODE_WRONG_LENGTH),
"cipher code wrong length"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_CLIENTHELLO_TLSEXT), "clienthello tlsext"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_COMPRESSED_LENGTH_TOO_LONG),
"compressed length too long"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_COMPRESSION_DISABLED),
"compression disabled"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_COMPRESSION_FAILURE),
"compression failure"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_COMPRESSION_ID_NOT_WITHIN_PRIVATE_RANGE),
"compression id not within private range"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_COMPRESSION_LIBRARY_ERROR),
"compression library error"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_CONNECTION_TYPE_NOT_SET),
"connection type not set"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_CONN_USE_ONLY), "conn use only"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_CONTEXT_NOT_DANE_ENABLED),
"context not dane enabled"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_COOKIE_GEN_CALLBACK_FAILURE),
"cookie gen callback failure"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_COOKIE_MISMATCH), "cookie mismatch"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_COPY_PARAMETERS_FAILED),
"copy parameters failed"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_CUSTOM_EXT_HANDLER_ALREADY_INSTALLED),
"custom ext handler already installed"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_DANE_ALREADY_ENABLED),
"dane already enabled"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_DANE_CANNOT_OVERRIDE_MTYPE_FULL),
"dane cannot override mtype full"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_DANE_NOT_ENABLED), "dane not enabled"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_DANE_TLSA_BAD_CERTIFICATE),
"dane tlsa bad certificate"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_DANE_TLSA_BAD_CERTIFICATE_USAGE),
"dane tlsa bad certificate usage"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_DANE_TLSA_BAD_DATA_LENGTH),
"dane tlsa bad data length"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_DANE_TLSA_BAD_DIGEST_LENGTH),
"dane tlsa bad digest length"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_DANE_TLSA_BAD_MATCHING_TYPE),
"dane tlsa bad matching type"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_DANE_TLSA_BAD_PUBLIC_KEY),
"dane tlsa bad public key"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_DANE_TLSA_BAD_SELECTOR),
"dane tlsa bad selector"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_DANE_TLSA_NULL_DATA),
"dane tlsa null data"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_DATA_BETWEEN_CCS_AND_FINISHED),
"data between ccs and finished"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_DATA_LENGTH_TOO_LONG),
"data length too long"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_DECRYPTION_FAILED), "decryption failed"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_DECRYPTION_FAILED_OR_BAD_RECORD_MAC),
"decryption failed or bad record mac"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_DH_KEY_TOO_SMALL), "dh key too small"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_DH_PUBLIC_VALUE_LENGTH_IS_WRONG),
"dh public value length is wrong"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_DIGEST_CHECK_FAILED),
"digest check failed"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_DTLS_MESSAGE_TOO_BIG),
"dtls message too big"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_DUPLICATE_COMPRESSION_ID),
"duplicate compression id"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_ECC_CERT_NOT_FOR_SIGNING),
"ecc cert not for signing"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_ECDH_REQUIRED_FOR_SUITEB_MODE),
"ecdh required for suiteb mode"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_EE_KEY_TOO_SMALL), "ee key too small"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_EMPTY_RAW_PUBLIC_KEY),
"empty raw public key"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_EMPTY_SRTP_PROTECTION_PROFILE_LIST),
"empty srtp protection profile list"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_ENCRYPTED_LENGTH_TOO_LONG),
"encrypted length too long"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_ERROR_IN_RECEIVED_CIPHER_LIST),
"error in received cipher list"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_ERROR_SETTING_TLSA_BASE_DOMAIN),
"error setting tlsa base domain"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_EXCEEDS_MAX_FRAGMENT_SIZE),
"exceeds max fragment size"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_EXCESSIVE_MESSAGE_SIZE),
"excessive message size"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_EXTENSION_NOT_RECEIVED),
"extension not received"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_EXTRA_DATA_IN_MESSAGE),
"extra data in message"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_EXT_LENGTH_MISMATCH),
"ext length mismatch"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_FAILED_TO_GET_PARAMETER),
"failed to get parameter"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_FAILED_TO_INIT_ASYNC),
"failed to init async"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_FEATURE_NEGOTIATION_NOT_COMPLETE),
"feature negotiation not complete"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_FEATURE_NOT_RENEGOTIABLE),
"feature not renegotiable"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_FRAGMENTED_CLIENT_HELLO),
"fragmented client hello"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_GOT_A_FIN_BEFORE_A_CCS),
"got a fin before a ccs"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_HTTPS_PROXY_REQUEST),
"https proxy request"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_HTTP_REQUEST), "http request"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_ILLEGAL_POINT_COMPRESSION),
"illegal point compression"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_ILLEGAL_SUITEB_DIGEST),
"illegal Suite B digest"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_INAPPROPRIATE_FALLBACK),
"inappropriate fallback"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_INCONSISTENT_COMPRESSION),
"inconsistent compression"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_INCONSISTENT_EARLY_DATA_ALPN),
"inconsistent early data alpn"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_INCONSISTENT_EARLY_DATA_SNI),
"inconsistent early data sni"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_INCONSISTENT_EXTMS), "inconsistent extms"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_INSUFFICIENT_SECURITY),
"insufficient security"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_INVALID_ALERT), "invalid alert"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_INVALID_CCS_MESSAGE),
"invalid ccs message"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_INVALID_CERTIFICATE_OR_ALG),
"invalid certificate or alg"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_INVALID_COMMAND), "invalid command"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_INVALID_COMPRESSION_ALGORITHM),
"invalid compression algorithm"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_INVALID_CONFIG), "invalid config"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_INVALID_CONFIGURATION_NAME),
"invalid configuration name"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_INVALID_CONTEXT), "invalid context"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_INVALID_CT_VALIDATION_TYPE),
"invalid ct validation type"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_INVALID_KEY_UPDATE_TYPE),
"invalid key update type"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_INVALID_MAX_EARLY_DATA),
"invalid max early data"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_INVALID_NULL_CMD_NAME),
"invalid null cmd name"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_INVALID_RAW_PUBLIC_KEY),
"invalid raw public key"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_INVALID_RECORD), "invalid record"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_INVALID_SEQUENCE_NUMBER),
"invalid sequence number"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_INVALID_SERVERINFO_DATA),
"invalid serverinfo data"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_INVALID_SESSION_ID), "invalid session id"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_INVALID_SRP_USERNAME),
"invalid srp username"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_INVALID_STATUS_RESPONSE),
"invalid status response"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_INVALID_TICKET_KEYS_LENGTH),
"invalid ticket keys length"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_LEGACY_SIGALG_DISALLOWED_OR_UNSUPPORTED),
"legacy sigalg disallowed or unsupported"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_LENGTH_MISMATCH), "length mismatch"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_LENGTH_TOO_LONG), "length too long"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_LENGTH_TOO_SHORT), "length too short"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_LIBRARY_BUG), "library bug"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_LIBRARY_HAS_NO_CIPHERS),
"library has no ciphers"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_MAXIMUM_ENCRYPTED_PKTS_REACHED),
"maximum encrypted pkts reached"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_MISSING_DSA_SIGNING_CERT),
"missing dsa signing cert"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_MISSING_ECDSA_SIGNING_CERT),
"missing ecdsa signing cert"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_MISSING_FATAL), "missing fatal"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_MISSING_PARAMETERS), "missing parameters"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_MISSING_PSK_KEX_MODES_EXTENSION),
"missing psk kex modes extension"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_MISSING_RSA_CERTIFICATE),
"missing rsa certificate"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_MISSING_RSA_ENCRYPTING_CERT),
"missing rsa encrypting cert"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_MISSING_RSA_SIGNING_CERT),
"missing rsa signing cert"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_MISSING_SIGALGS_EXTENSION),
"missing sigalgs extension"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_MISSING_SIGNING_CERT),
"missing signing cert"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_MISSING_SRP_PARAM),
"can't find SRP server param"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_MISSING_SUPPORTED_GROUPS_EXTENSION),
"missing supported groups extension"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_MISSING_TMP_DH_KEY), "missing tmp dh key"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_MISSING_TMP_ECDH_KEY),
"missing tmp ecdh key"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_MIXED_HANDSHAKE_AND_NON_HANDSHAKE_DATA),
"mixed handshake and non handshake data"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_NOT_ON_RECORD_BOUNDARY),
"not on record boundary"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_NOT_REPLACING_CERTIFICATE),
"not replacing certificate"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_NOT_SERVER), "not server"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_NO_APPLICATION_PROTOCOL),
"no application protocol"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_NO_CERTIFICATES_RETURNED),
"no certificates returned"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_NO_CERTIFICATE_ASSIGNED),
"no certificate assigned"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_NO_CERTIFICATE_SET), "no certificate set"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_NO_CHANGE_FOLLOWING_HRR),
"no change following hrr"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_NO_CIPHERS_AVAILABLE),
"no ciphers available"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_NO_CIPHERS_SPECIFIED),
"no ciphers specified"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_NO_CIPHER_MATCH), "no cipher match"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_NO_CLIENT_CERT_METHOD),
"no client cert method"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_NO_COMPRESSION_SPECIFIED),
"no compression specified"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_NO_COOKIE_CALLBACK_SET),
"no cookie callback set"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_NO_GOST_CERTIFICATE_SENT_BY_PEER),
"Peer haven't sent GOST certificate, required for selected ciphersuite"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_NO_METHOD_SPECIFIED),
"no method specified"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_NO_PEM_EXTENSIONS), "no pem extensions"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_NO_PRIVATE_KEY_ASSIGNED),
"no private key assigned"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_NO_PROTOCOLS_AVAILABLE),
"no protocols available"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_NO_RENEGOTIATION), "no renegotiation"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_NO_REQUIRED_DIGEST), "no required digest"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_NO_SHARED_CIPHER), "no shared cipher"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_NO_SHARED_GROUPS), "no shared groups"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_NO_SHARED_SIGNATURE_ALGORITHMS),
"no shared signature algorithms"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_NO_SRTP_PROFILES), "no srtp profiles"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_NO_STREAM), "no stream"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_NO_SUITABLE_DIGEST_ALGORITHM),
"no suitable digest algorithm"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_NO_SUITABLE_GROUPS), "no suitable groups"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_NO_SUITABLE_KEY_SHARE),
"no suitable key share"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_NO_SUITABLE_RECORD_LAYER),
"no suitable record layer"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_NO_SUITABLE_SIGNATURE_ALGORITHM),
"no suitable signature algorithm"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_NO_VALID_SCTS), "no valid scts"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_NO_VERIFY_COOKIE_CALLBACK),
"no verify cookie callback"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_NULL_SSL_CTX), "null ssl ctx"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_NULL_SSL_METHOD_PASSED),
"null ssl method passed"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_OCSP_CALLBACK_FAILURE),
"ocsp callback failure"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_OLD_SESSION_CIPHER_NOT_RETURNED),
"old session cipher not returned"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_OLD_SESSION_COMPRESSION_ALGORITHM_NOT_RETURNED),
"old session compression algorithm not returned"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_OVERFLOW_ERROR), "overflow error"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_PACKET_LENGTH_TOO_LONG),
"packet length too long"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_PARSE_TLSEXT), "parse tlsext"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_PATH_TOO_LONG), "path too long"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_PEER_DID_NOT_RETURN_A_CERTIFICATE),
"peer did not return a certificate"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_PEM_NAME_BAD_PREFIX),
"pem name bad prefix"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_PEM_NAME_TOO_SHORT), "pem name too short"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_PIPELINE_FAILURE), "pipeline failure"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_POLL_REQUEST_NOT_SUPPORTED),
"poll request not supported"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_POST_HANDSHAKE_AUTH_ENCODING_ERR),
"post handshake auth encoding err"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_PRIVATE_KEY_MISMATCH),
"private key mismatch"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_PROTOCOL_IS_SHUTDOWN),
"protocol is shutdown"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_PSK_IDENTITY_NOT_FOUND),
"psk identity not found"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_PSK_NO_CLIENT_CB), "psk no client cb"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_PSK_NO_SERVER_CB), "psk no server cb"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_QUIC_HANDSHAKE_LAYER_ERROR),
"quic handshake layer error"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_QUIC_NETWORK_ERROR), "quic network error"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_QUIC_PROTOCOL_ERROR),
"quic protocol error"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_READ_BIO_NOT_SET), "read bio not set"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_READ_TIMEOUT_EXPIRED),
"read timeout expired"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_RECORDS_NOT_RELEASED),
"records not released"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_RECORD_LAYER_FAILURE),
"record layer failure"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_RECORD_LENGTH_MISMATCH),
"record length mismatch"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_RECORD_TOO_SMALL), "record too small"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_REMOTE_PEER_ADDRESS_NOT_SET),
"remote peer address not set"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_RENEGOTIATE_EXT_TOO_LONG),
"renegotiate ext too long"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_RENEGOTIATION_ENCODING_ERR),
"renegotiation encoding err"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_RENEGOTIATION_MISMATCH),
"renegotiation mismatch"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_REQUEST_PENDING), "request pending"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_REQUEST_SENT), "request sent"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_REQUIRED_CIPHER_MISSING),
"required cipher missing"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_REQUIRED_COMPRESSION_ALGORITHM_MISSING),
"required compression algorithm missing"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_SCSV_RECEIVED_WHEN_RENEGOTIATING),
"scsv received when renegotiating"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_SCT_VERIFICATION_FAILED),
"sct verification failed"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_SEQUENCE_CTR_WRAPPED),
"sequence ctr wrapped"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_SERVERHELLO_TLSEXT), "serverhello tlsext"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_SESSION_ID_CONTEXT_UNINITIALIZED),
"session id context uninitialized"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_SHUTDOWN_WHILE_IN_INIT),
"shutdown while in init"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_SIGNATURE_ALGORITHMS_ERROR),
"signature algorithms error"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_SIGNATURE_FOR_NON_SIGNING_CERTIFICATE),
"signature for non signing certificate"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_SRP_A_CALC), "error with the srp params"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_SRTP_COULD_NOT_ALLOCATE_PROFILES),
"srtp could not allocate profiles"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_SRTP_PROTECTION_PROFILE_LIST_TOO_LONG),
"srtp protection profile list too long"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_SRTP_UNKNOWN_PROTECTION_PROFILE),
"srtp unknown protection profile"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_SSL3_EXT_INVALID_MAX_FRAGMENT_LENGTH),
"ssl3 ext invalid max fragment length"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_SSL3_EXT_INVALID_SERVERNAME),
"ssl3 ext invalid servername"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_SSL3_EXT_INVALID_SERVERNAME_TYPE),
"ssl3 ext invalid servername type"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_SSL3_SESSION_ID_TOO_LONG),
"ssl3 session id too long"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_SSLV3_ALERT_BAD_CERTIFICATE),
"ssl/tls alert bad certificate"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_SSLV3_ALERT_BAD_RECORD_MAC),
"ssl/tls alert bad record mac"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_SSLV3_ALERT_CERTIFICATE_EXPIRED),
"ssl/tls alert certificate expired"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_SSLV3_ALERT_CERTIFICATE_REVOKED),
"ssl/tls alert certificate revoked"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_SSLV3_ALERT_CERTIFICATE_UNKNOWN),
"ssl/tls alert certificate unknown"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_SSLV3_ALERT_DECOMPRESSION_FAILURE),
"ssl/tls alert decompression failure"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_SSLV3_ALERT_HANDSHAKE_FAILURE),
"ssl/tls alert handshake failure"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_SSLV3_ALERT_ILLEGAL_PARAMETER),
"ssl/tls alert illegal parameter"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_SSLV3_ALERT_NO_CERTIFICATE),
"ssl/tls alert no certificate"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_SSLV3_ALERT_UNEXPECTED_MESSAGE),
"ssl/tls alert unexpected message"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_SSLV3_ALERT_UNSUPPORTED_CERTIFICATE),
"ssl/tls alert unsupported certificate"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_SSL_COMMAND_SECTION_EMPTY),
"ssl command section empty"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_SSL_COMMAND_SECTION_NOT_FOUND),
"ssl command section not found"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION),
"ssl ctx has no default ssl version"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_SSL_HANDSHAKE_FAILURE),
"ssl handshake failure"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_SSL_LIBRARY_HAS_NO_CIPHERS),
"ssl library has no ciphers"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_SSL_NEGATIVE_LENGTH),
"ssl negative length"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_SSL_SECTION_EMPTY), "ssl section empty"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_SSL_SECTION_NOT_FOUND),
"ssl section not found"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_SSL_SESSION_ID_CALLBACK_FAILED),
"ssl session id callback failed"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_SSL_SESSION_ID_CONFLICT),
"ssl session id conflict"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG),
"ssl session id context too long"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_SSL_SESSION_ID_HAS_BAD_LENGTH),
"ssl session id has bad length"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_SSL_SESSION_ID_TOO_LONG),
"ssl session id too long"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_SSL_SESSION_VERSION_MISMATCH),
"ssl session version mismatch"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_STILL_IN_INIT), "still in init"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_STREAM_COUNT_LIMITED),
"stream count limited"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_STREAM_FINISHED), "stream finished"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_STREAM_RECV_ONLY), "stream recv only"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_STREAM_RESET), "stream reset"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_STREAM_SEND_ONLY), "stream send only"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_TLSV13_ALERT_CERTIFICATE_REQUIRED),
"tlsv13 alert certificate required"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_TLSV13_ALERT_MISSING_EXTENSION),
"tlsv13 alert missing extension"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_TLSV1_ALERT_ACCESS_DENIED),
"tlsv1 alert access denied"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_TLSV1_ALERT_DECODE_ERROR),
"tlsv1 alert decode error"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_TLSV1_ALERT_DECRYPTION_FAILED),
"tlsv1 alert decryption failed"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_TLSV1_ALERT_DECRYPT_ERROR),
"tlsv1 alert decrypt error"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_TLSV1_ALERT_EXPORT_RESTRICTION),
"tlsv1 alert export restriction"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_TLSV1_ALERT_INAPPROPRIATE_FALLBACK),
"tlsv1 alert inappropriate fallback"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_TLSV1_ALERT_INSUFFICIENT_SECURITY),
"tlsv1 alert insufficient security"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_TLSV1_ALERT_INTERNAL_ERROR),
"tlsv1 alert internal error"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_TLSV1_ALERT_NO_RENEGOTIATION),
"tlsv1 alert no renegotiation"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_TLSV1_ALERT_PROTOCOL_VERSION),
"tlsv1 alert protocol version"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_TLSV1_ALERT_RECORD_OVERFLOW),
"tlsv1 alert record overflow"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_TLSV1_ALERT_UNKNOWN_CA),
"tlsv1 alert unknown ca"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_TLSV1_ALERT_USER_CANCELLED),
"tlsv1 alert user cancelled"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_TLSV1_BAD_CERTIFICATE_HASH_VALUE),
"tlsv1 bad certificate hash value"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_TLSV1_BAD_CERTIFICATE_STATUS_RESPONSE),
"tlsv1 bad certificate status response"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_TLSV1_CERTIFICATE_UNOBTAINABLE),
"tlsv1 certificate unobtainable"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_TLSV1_UNRECOGNIZED_NAME),
"tlsv1 unrecognized name"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_TLSV1_UNSUPPORTED_EXTENSION),
"tlsv1 unsupported extension"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_TLS_ILLEGAL_EXPORTER_LABEL),
"tls illegal exporter label"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_TLS_INVALID_ECPOINTFORMAT_LIST),
"tls invalid ecpointformat list"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_TOO_MANY_KEY_UPDATES),
"too many key updates"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_TOO_MANY_WARN_ALERTS),
"too many warn alerts"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_TOO_MUCH_EARLY_DATA),
"too much early data"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_UNABLE_TO_FIND_ECDH_PARAMETERS),
"unable to find ecdh parameters"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_UNABLE_TO_FIND_PUBLIC_KEY_PARAMETERS),
"unable to find public key parameters"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_UNABLE_TO_LOAD_SSL3_MD5_ROUTINES),
"unable to load ssl3 md5 routines"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_UNABLE_TO_LOAD_SSL3_SHA1_ROUTINES),
"unable to load ssl3 sha1 routines"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_UNEXPECTED_CCS_MESSAGE),
"unexpected ccs message"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_UNEXPECTED_END_OF_EARLY_DATA),
"unexpected end of early data"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_UNEXPECTED_EOF_WHILE_READING),
"unexpected eof while reading"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_UNEXPECTED_MESSAGE), "unexpected message"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_UNEXPECTED_RECORD), "unexpected record"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_UNINITIALIZED), "uninitialized"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_UNKNOWN_ALERT_TYPE), "unknown alert type"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_UNKNOWN_CERTIFICATE_TYPE),
"unknown certificate type"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_UNKNOWN_CIPHER_RETURNED),
"unknown cipher returned"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_UNKNOWN_CIPHER_TYPE),
"unknown cipher type"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_UNKNOWN_CMD_NAME), "unknown cmd name"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_UNKNOWN_COMMAND), "unknown command"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_UNKNOWN_DIGEST), "unknown digest"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_UNKNOWN_KEY_EXCHANGE_TYPE),
"unknown key exchange type"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_UNKNOWN_MANDATORY_PARAMETER),
"unknown mandatory parameter"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_UNKNOWN_PKEY_TYPE), "unknown pkey type"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_UNKNOWN_PROTOCOL), "unknown protocol"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_UNKNOWN_SSL_VERSION),
"unknown ssl version"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_UNKNOWN_STATE), "unknown state"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_UNSAFE_LEGACY_RENEGOTIATION_DISABLED),
"unsafe legacy renegotiation disabled"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_UNSOLICITED_EXTENSION),
"unsolicited extension"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_UNSUPPORTED_COMPRESSION_ALGORITHM),
"unsupported compression algorithm"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_UNSUPPORTED_CONFIG_VALUE),
"unsupported config value"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_UNSUPPORTED_CONFIG_VALUE_CLASS),
"unsupported config value class"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_UNSUPPORTED_CONFIG_VALUE_OP),
"unsupported config value op"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_UNSUPPORTED_ELLIPTIC_CURVE),
"unsupported elliptic curve"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_UNSUPPORTED_PROTOCOL),
"unsupported protocol"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_UNSUPPORTED_SSL_VERSION),
"unsupported ssl version"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_UNSUPPORTED_STATUS_TYPE),
"unsupported status type"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_UNSUPPORTED_WRITE_FLAG),
"unsupported write flag"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_USE_SRTP_NOT_NEGOTIATED),
"use srtp not negotiated"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_VERSION_TOO_HIGH), "version too high"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_VERSION_TOO_LOW), "version too low"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_WRONG_CERTIFICATE_TYPE),
"wrong certificate type"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_WRONG_CIPHER_RETURNED),
"wrong cipher returned"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_WRONG_CURVE), "wrong curve"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_WRONG_RPK_TYPE), "wrong rpk type"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_WRONG_SIGNATURE_LENGTH),
"wrong signature length"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_WRONG_SIGNATURE_SIZE),
"wrong signature size"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_WRONG_SIGNATURE_TYPE),
"wrong signature type"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_WRONG_SSL_VERSION), "wrong ssl version"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_WRONG_VERSION_NUMBER),
"wrong version number"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_X509_LIB), "x509 lib"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_X509_VERIFICATION_SETUP_PROBLEMS),
"x509 verification setup problems"},
{0, NULL}
};
#endif
int ossl_err_load_SSL_strings(void)
{
#ifndef OPENSSL_NO_ERR
if (ERR_reason_error_string(SSL_str_reasons[0].error) == NULL)
ERR_load_strings_const(SSL_str_reasons);
#endif
return 1;
}
| ssl | openssl/ssl/ssl_err.c | openssl |
#include <stdio.h>
#include "ssl_local.h"
#include "internal/e_os.h"
#include "internal/refcount.h"
size_t ossl_calculate_comp_expansion(int alg, size_t length)
{
size_t ret;
switch (alg) {
case TLSEXT_comp_cert_zlib:
ret = length + 11 + 5 * (length >> 14);
break;
case TLSEXT_comp_cert_brotli:
ret = length + 5 + 3 * (length >> 16);
break;
case TLSEXT_comp_cert_zstd:
ret = length + 22 + 3 * (length >> 17);
break;
default:
return 0;
}
if (ret < length)
return 0;
return ret;
}
int ossl_comp_has_alg(int a)
{
#ifndef OPENSSL_NO_COMP_ALG
if ((a == 0 || a == TLSEXT_comp_cert_brotli) && BIO_f_brotli() != NULL)
return 1;
if ((a == 0 || a == TLSEXT_comp_cert_zstd) && BIO_f_zstd() != NULL)
return 1;
if ((a == 0 || a == TLSEXT_comp_cert_zlib) && BIO_f_zlib() != NULL)
return 1;
#endif
return 0;
}
#ifndef OPENSSL_NO_COMP_ALG
static OSSL_COMP_CERT *OSSL_COMP_CERT_new(unsigned char *data, size_t len, size_t orig_len, int alg)
{
OSSL_COMP_CERT *ret = NULL;
if (!ossl_comp_has_alg(alg)
|| data == NULL
|| (ret = OPENSSL_zalloc(sizeof(*ret))) == NULL
|| !CRYPTO_NEW_REF(&ret->references, 1))
goto err;
ret->data = data;
ret->len = len;
ret->orig_len = orig_len;
ret->alg = alg;
return ret;
err:
ERR_raise(ERR_LIB_SSL, ERR_R_MALLOC_FAILURE);
OPENSSL_free(data);
OPENSSL_free(ret);
return NULL;
}
__owur static OSSL_COMP_CERT *OSSL_COMP_CERT_from_compressed_data(unsigned char *data, size_t len,
size_t orig_len, int alg)
{
return OSSL_COMP_CERT_new(OPENSSL_memdup(data, len), len, orig_len, alg);
}
__owur static OSSL_COMP_CERT *OSSL_COMP_CERT_from_uncompressed_data(unsigned char *data, size_t len,
int alg)
{
OSSL_COMP_CERT *ret = NULL;
size_t max_length;
int comp_length;
COMP_METHOD *method;
unsigned char *comp_data = NULL;
COMP_CTX *comp_ctx = NULL;
switch (alg) {
case TLSEXT_comp_cert_brotli:
method = COMP_brotli_oneshot();
break;
case TLSEXT_comp_cert_zlib:
method = COMP_zlib_oneshot();
break;
case TLSEXT_comp_cert_zstd:
method = COMP_zstd_oneshot();
break;
default:
goto err;
}
if ((max_length = ossl_calculate_comp_expansion(alg, len)) == 0
|| method == NULL
|| (comp_ctx = COMP_CTX_new(method)) == NULL
|| (comp_data = OPENSSL_zalloc(max_length)) == NULL)
goto err;
comp_length = COMP_compress_block(comp_ctx, comp_data, max_length, data, len);
if (comp_length <= 0)
goto err;
ret = OSSL_COMP_CERT_new(comp_data, comp_length, len, alg);
comp_data = NULL;
err:
OPENSSL_free(comp_data);
COMP_CTX_free(comp_ctx);
return ret;
}
void OSSL_COMP_CERT_free(OSSL_COMP_CERT *cc)
{
int i;
if (cc == NULL)
return;
CRYPTO_DOWN_REF(&cc->references, &i);
REF_PRINT_COUNT("OSSL_COMP_CERT", cc);
if (i > 0)
return;
REF_ASSERT_ISNT(i < 0);
OPENSSL_free(cc->data);
CRYPTO_FREE_REF(&cc->references);
OPENSSL_free(cc);
}
int OSSL_COMP_CERT_up_ref(OSSL_COMP_CERT *cc)
{
int i;
if (CRYPTO_UP_REF(&cc->references, &i) <= 0)
return 0;
REF_PRINT_COUNT("OSSL_COMP_CERT", cc);
REF_ASSERT_ISNT(i < 2);
return ((i > 1) ? 1 : 0);
}
static int ssl_set_cert_comp_pref(int *prefs, int *algs, size_t len)
{
size_t j = 0;
size_t i;
int found = 0;
int already_set[TLSEXT_comp_cert_limit];
int tmp_prefs[TLSEXT_comp_cert_limit];
if (len == 0 || algs == NULL) {
memset(prefs, 0, sizeof(tmp_prefs));
return 1;
}
memset(tmp_prefs, 0, sizeof(tmp_prefs));
memset(already_set, 0, sizeof(already_set));
for (i = 0; i < len; i++) {
if (algs[i] != 0 && ossl_comp_has_alg(algs[i])) {
if (already_set[algs[i]])
return 0;
tmp_prefs[j++] = algs[i];
already_set[algs[i]] = 1;
found = 1;
}
}
if (found)
memcpy(prefs, tmp_prefs, sizeof(tmp_prefs));
return found;
}
static size_t ssl_get_cert_to_compress(SSL *ssl, CERT_PKEY *cpk, unsigned char **data)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl);
WPACKET tmppkt;
BUF_MEM buf = { 0 };
size_t ret = 0;
if (sc == NULL
|| cpk == NULL
|| !sc->server
|| !SSL_in_before(ssl))
return 0;
if (!WPACKET_init(&tmppkt, &buf))
goto out;
if (!WPACKET_put_bytes_u8(&tmppkt, 0))
goto out;
if (!ssl3_output_cert_chain(sc, &tmppkt, cpk, 1))
goto out;
WPACKET_get_total_written(&tmppkt, &ret);
out:
WPACKET_cleanup(&tmppkt);
if (ret != 0 && data != NULL)
*data = (unsigned char *)buf.data;
else
OPENSSL_free(buf.data);
return ret;
}
static int ssl_compress_one_cert(SSL *ssl, CERT_PKEY *cpk, int alg)
{
unsigned char *cert_data = NULL;
OSSL_COMP_CERT *comp_cert = NULL;
size_t length;
if (cpk == NULL
|| alg == TLSEXT_comp_cert_none
|| !ossl_comp_has_alg(alg))
return 0;
if ((length = ssl_get_cert_to_compress(ssl, cpk, &cert_data)) == 0)
return 0;
comp_cert = OSSL_COMP_CERT_from_uncompressed_data(cert_data, length, alg);
OPENSSL_free(cert_data);
if (comp_cert == NULL)
return 0;
OSSL_COMP_CERT_free(cpk->comp_cert[alg]);
cpk->comp_cert[alg] = comp_cert;
return 1;
}
static int ssl_compress_certs(SSL *ssl, CERT_PKEY *cpks, int alg_in)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl);
int i;
int j;
int alg;
int count = 0;
if (sc == NULL
|| cpks == NULL
|| !ossl_comp_has_alg(alg_in))
return 0;
for (i = 0; i < TLSEXT_comp_cert_limit; i++) {
alg = sc->cert_comp_prefs[i];
if ((alg_in == 0 && alg != TLSEXT_comp_cert_none)
|| (alg_in != 0 && alg == alg_in)) {
for (j = 0; j < SSL_PKEY_NUM; j++) {
if (cpks[j].x509 == NULL)
continue;
if (!ssl_compress_one_cert(ssl, &cpks[j], alg))
return 0;
if (cpks[j].comp_cert[alg]->len >= cpks[j].comp_cert[alg]->orig_len) {
OSSL_COMP_CERT_free(cpks[j].comp_cert[alg]);
cpks[j].comp_cert[alg] = NULL;
} else {
count++;
}
}
}
}
return (count > 0);
}
static size_t ssl_get_compressed_cert(SSL *ssl, CERT_PKEY *cpk, int alg, unsigned char **data,
size_t *orig_len)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl);
size_t cert_len = 0;
size_t comp_len = 0;
unsigned char *cert_data = NULL;
OSSL_COMP_CERT *comp_cert = NULL;
if (sc == NULL
|| cpk == NULL
|| data == NULL
|| orig_len == NULL
|| !sc->server
|| !SSL_in_before(ssl)
|| !ossl_comp_has_alg(alg))
return 0;
if ((cert_len = ssl_get_cert_to_compress(ssl, cpk, &cert_data)) == 0)
goto err;
comp_cert = OSSL_COMP_CERT_from_uncompressed_data(cert_data, cert_len, alg);
OPENSSL_free(cert_data);
if (comp_cert == NULL)
goto err;
comp_len = comp_cert->len;
*orig_len = comp_cert->orig_len;
*data = comp_cert->data;
comp_cert->data = NULL;
err:
OSSL_COMP_CERT_free(comp_cert);
return comp_len;
}
static int ossl_set1_compressed_cert(CERT *cert, int algorithm,
unsigned char *comp_data, size_t comp_length,
size_t orig_length)
{
OSSL_COMP_CERT *comp_cert;
if (cert == NULL || cert->key == NULL)
return 0;
comp_cert = OSSL_COMP_CERT_from_compressed_data(comp_data, comp_length,
orig_length, algorithm);
if (comp_cert == NULL)
return 0;
OSSL_COMP_CERT_free(cert->key->comp_cert[algorithm]);
cert->key->comp_cert[algorithm] = comp_cert;
return 1;
}
#endif
int SSL_CTX_set1_cert_comp_preference(SSL_CTX *ctx, int *algs, size_t len)
{
#ifndef OPENSSL_NO_COMP_ALG
return ssl_set_cert_comp_pref(ctx->cert_comp_prefs, algs, len);
#else
return 0;
#endif
}
int SSL_set1_cert_comp_preference(SSL *ssl, int *algs, size_t len)
{
#ifndef OPENSSL_NO_COMP_ALG
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl);
if (sc == NULL)
return 0;
return ssl_set_cert_comp_pref(sc->cert_comp_prefs, algs, len);
#else
return 0;
#endif
}
int SSL_compress_certs(SSL *ssl, int alg)
{
#ifndef OPENSSL_NO_COMP_ALG
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl);
if (sc == NULL || sc->cert == NULL)
return 0;
return ssl_compress_certs(ssl, sc->cert->pkeys, alg);
#endif
return 0;
}
int SSL_CTX_compress_certs(SSL_CTX *ctx, int alg)
{
int ret = 0;
#ifndef OPENSSL_NO_COMP_ALG
SSL *new = SSL_new(ctx);
if (new == NULL)
return 0;
ret = ssl_compress_certs(new, ctx->cert->pkeys, alg);
SSL_free(new);
#endif
return ret;
}
size_t SSL_get1_compressed_cert(SSL *ssl, int alg, unsigned char **data, size_t *orig_len)
{
#ifndef OPENSSL_NO_COMP_ALG
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl);
CERT_PKEY *cpk = NULL;
if (sc->cert != NULL)
cpk = sc->cert->key;
else
cpk = ssl->ctx->cert->key;
return ssl_get_compressed_cert(ssl, cpk, alg, data, orig_len);
#else
return 0;
#endif
}
size_t SSL_CTX_get1_compressed_cert(SSL_CTX *ctx, int alg, unsigned char **data, size_t *orig_len)
{
#ifndef OPENSSL_NO_COMP_ALG
size_t ret;
SSL *new = SSL_new(ctx);
ret = ssl_get_compressed_cert(new, ctx->cert->key, alg, data, orig_len);
SSL_free(new);
return ret;
#else
return 0;
#endif
}
int SSL_CTX_set1_compressed_cert(SSL_CTX *ctx, int algorithm, unsigned char *comp_data,
size_t comp_length, size_t orig_length)
{
#ifndef OPENSSL_NO_COMP_ALG
return ossl_set1_compressed_cert(ctx->cert, algorithm, comp_data, comp_length, orig_length);
#else
return 0;
#endif
}
int SSL_set1_compressed_cert(SSL *ssl, int algorithm, unsigned char *comp_data,
size_t comp_length, size_t orig_length)
{
#ifndef OPENSSL_NO_COMP_ALG
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl);
if (sc == NULL || !sc->server)
return 0;
return ossl_set1_compressed_cert(sc->cert, algorithm, comp_data, comp_length, orig_length);
#else
return 0;
#endif
}
| ssl | openssl/ssl/ssl_cert_comp.c | openssl |
#include <stdio.h>
#include "ssl_local.h"
#include "record/record_local.h"
#include "internal/ktls.h"
#include "internal/cryptlib.h"
#include <openssl/comp.h>
#include <openssl/evp.h>
#include <openssl/kdf.h>
#include <openssl/rand.h>
#include <openssl/obj_mac.h>
#include <openssl/core_names.h>
#include <openssl/trace.h>
static int tls1_PRF(SSL_CONNECTION *s,
const void *seed1, size_t seed1_len,
const void *seed2, size_t seed2_len,
const void *seed3, size_t seed3_len,
const void *seed4, size_t seed4_len,
const void *seed5, size_t seed5_len,
const unsigned char *sec, size_t slen,
unsigned char *out, size_t olen, int fatal)
{
const EVP_MD *md = ssl_prf_md(s);
EVP_KDF *kdf;
EVP_KDF_CTX *kctx = NULL;
OSSL_PARAM params[8], *p = params;
const char *mdname;
if (md == NULL) {
if (fatal)
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
else
ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
return 0;
}
kdf = EVP_KDF_fetch(SSL_CONNECTION_GET_CTX(s)->libctx,
OSSL_KDF_NAME_TLS1_PRF,
SSL_CONNECTION_GET_CTX(s)->propq);
if (kdf == NULL)
goto err;
kctx = EVP_KDF_CTX_new(kdf);
EVP_KDF_free(kdf);
if (kctx == NULL)
goto err;
mdname = EVP_MD_get0_name(md);
*p++ = OSSL_PARAM_construct_utf8_string(OSSL_KDF_PARAM_DIGEST,
(char *)mdname, 0);
*p++ = OSSL_PARAM_construct_octet_string(OSSL_KDF_PARAM_SECRET,
(unsigned char *)sec,
(size_t)slen);
*p++ = OSSL_PARAM_construct_octet_string(OSSL_KDF_PARAM_SEED,
(void *)seed1, (size_t)seed1_len);
*p++ = OSSL_PARAM_construct_octet_string(OSSL_KDF_PARAM_SEED,
(void *)seed2, (size_t)seed2_len);
*p++ = OSSL_PARAM_construct_octet_string(OSSL_KDF_PARAM_SEED,
(void *)seed3, (size_t)seed3_len);
*p++ = OSSL_PARAM_construct_octet_string(OSSL_KDF_PARAM_SEED,
(void *)seed4, (size_t)seed4_len);
*p++ = OSSL_PARAM_construct_octet_string(OSSL_KDF_PARAM_SEED,
(void *)seed5, (size_t)seed5_len);
*p = OSSL_PARAM_construct_end();
if (EVP_KDF_derive(kctx, out, olen, params)) {
EVP_KDF_CTX_free(kctx);
return 1;
}
err:
if (fatal)
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
else
ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
EVP_KDF_CTX_free(kctx);
return 0;
}
static int tls1_generate_key_block(SSL_CONNECTION *s, unsigned char *km,
size_t num)
{
int ret;
ret = tls1_PRF(s,
TLS_MD_KEY_EXPANSION_CONST,
TLS_MD_KEY_EXPANSION_CONST_SIZE, s->s3.server_random,
SSL3_RANDOM_SIZE, s->s3.client_random, SSL3_RANDOM_SIZE,
NULL, 0, NULL, 0, s->session->master_key,
s->session->master_key_length, km, num, 1);
return ret;
}
static int tls_iv_length_within_key_block(const EVP_CIPHER *c)
{
if (EVP_CIPHER_get_mode(c) == EVP_CIPH_GCM_MODE)
return EVP_GCM_TLS_FIXED_IV_LEN;
else if (EVP_CIPHER_get_mode(c) == EVP_CIPH_CCM_MODE)
return EVP_CCM_TLS_FIXED_IV_LEN;
else
return EVP_CIPHER_get_iv_length(c);
}
int tls1_change_cipher_state(SSL_CONNECTION *s, int which)
{
unsigned char *p, *mac_secret;
unsigned char *key, *iv;
const EVP_CIPHER *c;
const SSL_COMP *comp = NULL;
const EVP_MD *m;
int mac_type;
size_t mac_secret_size;
size_t n, i, j, k, cl;
int iivlen;
size_t taglen = 0;
int direction;
c = s->s3.tmp.new_sym_enc;
m = s->s3.tmp.new_hash;
mac_type = s->s3.tmp.new_mac_pkey_type;
#ifndef OPENSSL_NO_COMP
comp = s->s3.tmp.new_compression;
#endif
p = s->s3.tmp.key_block;
i = mac_secret_size = s->s3.tmp.new_mac_secret_size;
cl = EVP_CIPHER_get_key_length(c);
j = cl;
iivlen = tls_iv_length_within_key_block(c);
if (iivlen < 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
k = iivlen;
if ((which == SSL3_CHANGE_CIPHER_CLIENT_WRITE) ||
(which == SSL3_CHANGE_CIPHER_SERVER_READ)) {
mac_secret = &(p[0]);
n = i + i;
key = &(p[n]);
n += j + j;
iv = &(p[n]);
n += k + k;
} else {
n = i;
mac_secret = &(p[n]);
n += i + j;
key = &(p[n]);
n += j + k;
iv = &(p[n]);
n += k;
}
if (n > s->s3.tmp.key_block_length) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
switch (EVP_CIPHER_get_mode(c)) {
case EVP_CIPH_GCM_MODE:
taglen = EVP_GCM_TLS_TAG_LEN;
break;
case EVP_CIPH_CCM_MODE:
if ((s->s3.tmp.new_cipher->algorithm_enc
& (SSL_AES128CCM8 | SSL_AES256CCM8)) != 0)
taglen = EVP_CCM8_TLS_TAG_LEN;
else
taglen = EVP_CCM_TLS_TAG_LEN;
break;
default:
if (EVP_CIPHER_is_a(c, "CHACHA20-POLY1305")) {
taglen = EVP_CHACHAPOLY_TLS_TAG_LEN;
} else {
taglen = s->s3.tmp.new_mac_secret_size;
}
break;
}
if (which & SSL3_CC_READ) {
if (s->ext.use_etm)
s->s3.flags |= TLS1_FLAGS_ENCRYPT_THEN_MAC_READ;
else
s->s3.flags &= ~TLS1_FLAGS_ENCRYPT_THEN_MAC_READ;
if (s->s3.tmp.new_cipher->algorithm2 & TLS1_STREAM_MAC)
s->mac_flags |= SSL_MAC_FLAG_READ_MAC_STREAM;
else
s->mac_flags &= ~SSL_MAC_FLAG_READ_MAC_STREAM;
if (s->s3.tmp.new_cipher->algorithm2 & TLS1_TLSTREE)
s->mac_flags |= SSL_MAC_FLAG_READ_MAC_TLSTREE;
else
s->mac_flags &= ~SSL_MAC_FLAG_READ_MAC_TLSTREE;
direction = OSSL_RECORD_DIRECTION_READ;
} else {
if (s->ext.use_etm)
s->s3.flags |= TLS1_FLAGS_ENCRYPT_THEN_MAC_WRITE;
else
s->s3.flags &= ~TLS1_FLAGS_ENCRYPT_THEN_MAC_WRITE;
if (s->s3.tmp.new_cipher->algorithm2 & TLS1_STREAM_MAC)
s->mac_flags |= SSL_MAC_FLAG_WRITE_MAC_STREAM;
else
s->mac_flags &= ~SSL_MAC_FLAG_WRITE_MAC_STREAM;
if (s->s3.tmp.new_cipher->algorithm2 & TLS1_TLSTREE)
s->mac_flags |= SSL_MAC_FLAG_WRITE_MAC_TLSTREE;
else
s->mac_flags &= ~SSL_MAC_FLAG_WRITE_MAC_TLSTREE;
direction = OSSL_RECORD_DIRECTION_WRITE;
}
if (SSL_CONNECTION_IS_DTLS(s))
dtls1_increment_epoch(s, which);
if (!ssl_set_new_record_layer(s, s->version, direction,
OSSL_RECORD_PROTECTION_LEVEL_APPLICATION,
NULL, 0, key, cl, iv, (size_t)k, mac_secret,
mac_secret_size, c, taglen, mac_type,
m, comp, NULL)) {
goto err;
}
OSSL_TRACE_BEGIN(TLS) {
BIO_printf(trc_out, "which = %04X, key:\n", which);
BIO_dump_indent(trc_out, key, EVP_CIPHER_get_key_length(c), 4);
BIO_printf(trc_out, "iv:\n");
BIO_dump_indent(trc_out, iv, k, 4);
} OSSL_TRACE_END(TLS);
return 1;
err:
return 0;
}
int tls1_setup_key_block(SSL_CONNECTION *s)
{
unsigned char *p;
const EVP_CIPHER *c;
const EVP_MD *hash;
SSL_COMP *comp;
int mac_type = NID_undef;
size_t num, mac_secret_size = 0;
int ret = 0;
int ivlen;
if (s->s3.tmp.key_block_length != 0)
return 1;
if (!ssl_cipher_get_evp(SSL_CONNECTION_GET_CTX(s), s->session, &c, &hash,
&mac_type, &mac_secret_size, &comp,
s->ext.use_etm)) {
SSLfatal_alert(s, SSL_AD_INTERNAL_ERROR);
return 0;
}
ssl_evp_cipher_free(s->s3.tmp.new_sym_enc);
s->s3.tmp.new_sym_enc = c;
ssl_evp_md_free(s->s3.tmp.new_hash);
s->s3.tmp.new_hash = hash;
s->s3.tmp.new_mac_pkey_type = mac_type;
s->s3.tmp.new_mac_secret_size = mac_secret_size;
ivlen = tls_iv_length_within_key_block(c);
if (ivlen < 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
num = mac_secret_size + EVP_CIPHER_get_key_length(c) + ivlen;
num *= 2;
ssl3_cleanup_key_block(s);
if ((p = OPENSSL_malloc(num)) == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CRYPTO_LIB);
goto err;
}
s->s3.tmp.key_block_length = num;
s->s3.tmp.key_block = p;
OSSL_TRACE_BEGIN(TLS) {
BIO_printf(trc_out, "key block length: %zu\n", num);
BIO_printf(trc_out, "client random\n");
BIO_dump_indent(trc_out, s->s3.client_random, SSL3_RANDOM_SIZE, 4);
BIO_printf(trc_out, "server random\n");
BIO_dump_indent(trc_out, s->s3.server_random, SSL3_RANDOM_SIZE, 4);
BIO_printf(trc_out, "master key\n");
BIO_dump_indent(trc_out,
s->session->master_key,
s->session->master_key_length, 4);
} OSSL_TRACE_END(TLS);
if (!tls1_generate_key_block(s, p, num)) {
goto err;
}
OSSL_TRACE_BEGIN(TLS) {
BIO_printf(trc_out, "key block\n");
BIO_dump_indent(trc_out, p, num, 4);
} OSSL_TRACE_END(TLS);
ret = 1;
err:
return ret;
}
size_t tls1_final_finish_mac(SSL_CONNECTION *s, const char *str,
size_t slen, unsigned char *out)
{
size_t hashlen;
unsigned char hash[EVP_MAX_MD_SIZE];
size_t finished_size = TLS1_FINISH_MAC_LENGTH;
if (s->s3.tmp.new_cipher->algorithm_mkey & SSL_kGOST18)
finished_size = 32;
if (!ssl3_digest_cached_records(s, 0)) {
return 0;
}
if (!ssl_handshake_hash(s, hash, sizeof(hash), &hashlen)) {
return 0;
}
if (!tls1_PRF(s, str, slen, hash, hashlen, NULL, 0, NULL, 0, NULL, 0,
s->session->master_key, s->session->master_key_length,
out, finished_size, 1)) {
return 0;
}
OPENSSL_cleanse(hash, hashlen);
return finished_size;
}
int tls1_generate_master_secret(SSL_CONNECTION *s, unsigned char *out,
unsigned char *p, size_t len,
size_t *secret_size)
{
if (s->session->flags & SSL_SESS_FLAG_EXTMS) {
unsigned char hash[EVP_MAX_MD_SIZE * 2];
size_t hashlen;
if (!ssl3_digest_cached_records(s, 1)
|| !ssl_handshake_hash(s, hash, sizeof(hash), &hashlen)) {
return 0;
}
OSSL_TRACE_BEGIN(TLS) {
BIO_printf(trc_out, "Handshake hashes:\n");
BIO_dump(trc_out, (char *)hash, hashlen);
} OSSL_TRACE_END(TLS);
if (!tls1_PRF(s,
TLS_MD_EXTENDED_MASTER_SECRET_CONST,
TLS_MD_EXTENDED_MASTER_SECRET_CONST_SIZE,
hash, hashlen,
NULL, 0,
NULL, 0,
NULL, 0, p, len, out,
SSL3_MASTER_SECRET_SIZE, 1)) {
return 0;
}
OPENSSL_cleanse(hash, hashlen);
} else {
if (!tls1_PRF(s,
TLS_MD_MASTER_SECRET_CONST,
TLS_MD_MASTER_SECRET_CONST_SIZE,
s->s3.client_random, SSL3_RANDOM_SIZE,
NULL, 0,
s->s3.server_random, SSL3_RANDOM_SIZE,
NULL, 0, p, len, out,
SSL3_MASTER_SECRET_SIZE, 1)) {
return 0;
}
}
OSSL_TRACE_BEGIN(TLS) {
BIO_printf(trc_out, "Premaster Secret:\n");
BIO_dump_indent(trc_out, p, len, 4);
BIO_printf(trc_out, "Client Random:\n");
BIO_dump_indent(trc_out, s->s3.client_random, SSL3_RANDOM_SIZE, 4);
BIO_printf(trc_out, "Server Random:\n");
BIO_dump_indent(trc_out, s->s3.server_random, SSL3_RANDOM_SIZE, 4);
BIO_printf(trc_out, "Master Secret:\n");
BIO_dump_indent(trc_out,
s->session->master_key,
SSL3_MASTER_SECRET_SIZE, 4);
} OSSL_TRACE_END(TLS);
*secret_size = SSL3_MASTER_SECRET_SIZE;
return 1;
}
int tls1_export_keying_material(SSL_CONNECTION *s, unsigned char *out,
size_t olen, const char *label, size_t llen,
const unsigned char *context,
size_t contextlen, int use_context)
{
unsigned char *val = NULL;
size_t vallen = 0, currentvalpos;
int rv = 0;
if (contextlen > 0xffff) {
ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_INVALID_ARGUMENT);
return 0;
}
vallen = llen + SSL3_RANDOM_SIZE * 2;
if (use_context) {
vallen += 2 + contextlen;
}
val = OPENSSL_malloc(vallen);
if (val == NULL)
goto ret;
currentvalpos = 0;
memcpy(val + currentvalpos, (unsigned char *)label, llen);
currentvalpos += llen;
memcpy(val + currentvalpos, s->s3.client_random, SSL3_RANDOM_SIZE);
currentvalpos += SSL3_RANDOM_SIZE;
memcpy(val + currentvalpos, s->s3.server_random, SSL3_RANDOM_SIZE);
currentvalpos += SSL3_RANDOM_SIZE;
if (use_context) {
val[currentvalpos] = (contextlen >> 8) & 0xff;
currentvalpos++;
val[currentvalpos] = contextlen & 0xff;
currentvalpos++;
if ((contextlen > 0) || (context != NULL)) {
memcpy(val + currentvalpos, context, contextlen);
}
}
if (memcmp(val, TLS_MD_CLIENT_FINISH_CONST,
TLS_MD_CLIENT_FINISH_CONST_SIZE) == 0)
goto err1;
if (memcmp(val, TLS_MD_SERVER_FINISH_CONST,
TLS_MD_SERVER_FINISH_CONST_SIZE) == 0)
goto err1;
if (memcmp(val, TLS_MD_MASTER_SECRET_CONST,
TLS_MD_MASTER_SECRET_CONST_SIZE) == 0)
goto err1;
if (memcmp(val, TLS_MD_EXTENDED_MASTER_SECRET_CONST,
TLS_MD_EXTENDED_MASTER_SECRET_CONST_SIZE) == 0)
goto err1;
if (memcmp(val, TLS_MD_KEY_EXPANSION_CONST,
TLS_MD_KEY_EXPANSION_CONST_SIZE) == 0)
goto err1;
rv = tls1_PRF(s,
val, vallen,
NULL, 0,
NULL, 0,
NULL, 0,
NULL, 0,
s->session->master_key, s->session->master_key_length,
out, olen, 0);
goto ret;
err1:
ERR_raise(ERR_LIB_SSL, SSL_R_TLS_ILLEGAL_EXPORTER_LABEL);
ret:
OPENSSL_clear_free(val, vallen);
return rv;
}
int tls1_alert_code(int code)
{
switch (code) {
case SSL_AD_CLOSE_NOTIFY:
return SSL3_AD_CLOSE_NOTIFY;
case SSL_AD_UNEXPECTED_MESSAGE:
return SSL3_AD_UNEXPECTED_MESSAGE;
case SSL_AD_BAD_RECORD_MAC:
return SSL3_AD_BAD_RECORD_MAC;
case SSL_AD_DECRYPTION_FAILED:
return TLS1_AD_DECRYPTION_FAILED;
case SSL_AD_RECORD_OVERFLOW:
return TLS1_AD_RECORD_OVERFLOW;
case SSL_AD_DECOMPRESSION_FAILURE:
return SSL3_AD_DECOMPRESSION_FAILURE;
case SSL_AD_HANDSHAKE_FAILURE:
return SSL3_AD_HANDSHAKE_FAILURE;
case SSL_AD_NO_CERTIFICATE:
return -1;
case SSL_AD_BAD_CERTIFICATE:
return SSL3_AD_BAD_CERTIFICATE;
case SSL_AD_UNSUPPORTED_CERTIFICATE:
return SSL3_AD_UNSUPPORTED_CERTIFICATE;
case SSL_AD_CERTIFICATE_REVOKED:
return SSL3_AD_CERTIFICATE_REVOKED;
case SSL_AD_CERTIFICATE_EXPIRED:
return SSL3_AD_CERTIFICATE_EXPIRED;
case SSL_AD_CERTIFICATE_UNKNOWN:
return SSL3_AD_CERTIFICATE_UNKNOWN;
case SSL_AD_ILLEGAL_PARAMETER:
return SSL3_AD_ILLEGAL_PARAMETER;
case SSL_AD_UNKNOWN_CA:
return TLS1_AD_UNKNOWN_CA;
case SSL_AD_ACCESS_DENIED:
return TLS1_AD_ACCESS_DENIED;
case SSL_AD_DECODE_ERROR:
return TLS1_AD_DECODE_ERROR;
case SSL_AD_DECRYPT_ERROR:
return TLS1_AD_DECRYPT_ERROR;
case SSL_AD_EXPORT_RESTRICTION:
return TLS1_AD_EXPORT_RESTRICTION;
case SSL_AD_PROTOCOL_VERSION:
return TLS1_AD_PROTOCOL_VERSION;
case SSL_AD_INSUFFICIENT_SECURITY:
return TLS1_AD_INSUFFICIENT_SECURITY;
case SSL_AD_INTERNAL_ERROR:
return TLS1_AD_INTERNAL_ERROR;
case SSL_AD_USER_CANCELLED:
return TLS1_AD_USER_CANCELLED;
case SSL_AD_NO_RENEGOTIATION:
return TLS1_AD_NO_RENEGOTIATION;
case SSL_AD_UNSUPPORTED_EXTENSION:
return TLS1_AD_UNSUPPORTED_EXTENSION;
case SSL_AD_CERTIFICATE_UNOBTAINABLE:
return TLS1_AD_CERTIFICATE_UNOBTAINABLE;
case SSL_AD_UNRECOGNIZED_NAME:
return TLS1_AD_UNRECOGNIZED_NAME;
case SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE:
return TLS1_AD_BAD_CERTIFICATE_STATUS_RESPONSE;
case SSL_AD_BAD_CERTIFICATE_HASH_VALUE:
return TLS1_AD_BAD_CERTIFICATE_HASH_VALUE;
case SSL_AD_UNKNOWN_PSK_IDENTITY:
return TLS1_AD_UNKNOWN_PSK_IDENTITY;
case SSL_AD_INAPPROPRIATE_FALLBACK:
return TLS1_AD_INAPPROPRIATE_FALLBACK;
case SSL_AD_NO_APPLICATION_PROTOCOL:
return TLS1_AD_NO_APPLICATION_PROTOCOL;
case SSL_AD_CERTIFICATE_REQUIRED:
return SSL_AD_HANDSHAKE_FAILURE;
case TLS13_AD_MISSING_EXTENSION:
return SSL_AD_HANDSHAKE_FAILURE;
default:
return -1;
}
}
| ssl | openssl/ssl/t1_enc.c | openssl |
#include <openssl/crypto.h>
#include <openssl/err.h>
#include <assert.h>
#include "internal/priority_queue.h"
#include "internal/safe_math.h"
#include "internal/numbers.h"
OSSL_SAFE_MATH_UNSIGNED(size_t, size_t)
struct pq_heap_st {
void *data;
size_t index;
};
struct pq_elem_st {
size_t posn;
#ifndef NDEBUG
int used;
#endif
};
struct ossl_pqueue_st
{
struct pq_heap_st *heap;
struct pq_elem_st *elements;
int (*compare)(const void *, const void *);
size_t htop;
size_t hmax;
size_t freelist;
};
static const size_t min_nodes = 8;
static const size_t max_nodes =
SIZE_MAX / (sizeof(struct pq_heap_st) > sizeof(struct pq_elem_st)
? sizeof(struct pq_heap_st) : sizeof(struct pq_elem_st));
#ifndef NDEBUG
# define ASSERT_USED(pq, idx) \
assert(pq->elements[pq->heap[idx].index].used); \
assert(pq->elements[pq->heap[idx].index].posn == idx)
# define ASSERT_ELEM_USED(pq, elem) \
assert(pq->elements[elem].used)
#else
# define ASSERT_USED(pq, idx)
# define ASSERT_ELEM_USED(pq, elem)
#endif
static ossl_inline size_t compute_pqueue_growth(size_t target, size_t current)
{
int err = 0;
while (current < target) {
if (current >= max_nodes)
return 0;
current = safe_muldiv_size_t(current, 8, 5, &err);
if (err)
return 0;
if (current >= max_nodes)
current = max_nodes;
}
return current;
}
static ossl_inline void pqueue_swap_elem(OSSL_PQUEUE *pq, size_t i, size_t j)
{
struct pq_heap_st *h = pq->heap, t_h;
struct pq_elem_st *e = pq->elements;
ASSERT_USED(pq, i);
ASSERT_USED(pq, j);
t_h = h[i];
h[i] = h[j];
h[j] = t_h;
e[h[i].index].posn = i;
e[h[j].index].posn = j;
}
static ossl_inline void pqueue_move_elem(OSSL_PQUEUE *pq, size_t from, size_t to)
{
struct pq_heap_st *h = pq->heap;
struct pq_elem_st *e = pq->elements;
ASSERT_USED(pq, from);
h[to] = h[from];
e[h[to].index].posn = to;
}
static ossl_inline void pqueue_force_bottom(OSSL_PQUEUE *pq, size_t n)
{
ASSERT_USED(pq, n);
while (n > 0) {
const size_t p = (n - 1) / 2;
ASSERT_USED(pq, p);
pqueue_swap_elem(pq, n, p);
n = p;
}
}
static ossl_inline void pqueue_move_down(OSSL_PQUEUE *pq, size_t n)
{
struct pq_heap_st *h = pq->heap;
ASSERT_USED(pq, n);
while (n > 0) {
const size_t p = (n - 1) / 2;
ASSERT_USED(pq, p);
if (pq->compare(h[n].data, h[p].data) >= 0)
break;
pqueue_swap_elem(pq, n, p);
n = p;
}
}
static ossl_inline void pqueue_move_up(OSSL_PQUEUE *pq, size_t n)
{
struct pq_heap_st *h = pq->heap;
size_t p = n * 2 + 1;
ASSERT_USED(pq, n);
if (pq->htop > p + 1) {
ASSERT_USED(pq, p);
ASSERT_USED(pq, p + 1);
if (pq->compare(h[p].data, h[p + 1].data) > 0)
p++;
}
while (pq->htop > p && pq->compare(h[p].data, h[n].data) < 0) {
ASSERT_USED(pq, p);
pqueue_swap_elem(pq, n, p);
n = p;
p = n * 2 + 1;
if (pq->htop > p + 1) {
ASSERT_USED(pq, p + 1);
if (pq->compare(h[p].data, h[p + 1].data) > 0)
p++;
}
}
}
int ossl_pqueue_push(OSSL_PQUEUE *pq, void *data, size_t *elem)
{
size_t n, m;
if (!ossl_pqueue_reserve(pq, 1))
return 0;
n = pq->htop++;
m = pq->freelist;
pq->freelist = pq->elements[m].posn;
pq->heap[n].data = data;
pq->heap[n].index = m;
pq->elements[m].posn = n;
#ifndef NDEBUG
pq->elements[m].used = 1;
#endif
pqueue_move_down(pq, n);
if (elem != NULL)
*elem = m;
return 1;
}
void *ossl_pqueue_peek(const OSSL_PQUEUE *pq)
{
if (pq->htop > 0) {
ASSERT_USED(pq, 0);
return pq->heap->data;
}
return NULL;
}
void *ossl_pqueue_pop(OSSL_PQUEUE *pq)
{
void *res;
size_t elem;
if (pq == NULL || pq->htop == 0)
return NULL;
ASSERT_USED(pq, 0);
res = pq->heap->data;
elem = pq->heap->index;
if (--pq->htop != 0) {
pqueue_move_elem(pq, pq->htop, 0);
pqueue_move_up(pq, 0);
}
pq->elements[elem].posn = pq->freelist;
pq->freelist = elem;
#ifndef NDEBUG
pq->elements[elem].used = 0;
#endif
return res;
}
void *ossl_pqueue_remove(OSSL_PQUEUE *pq, size_t elem)
{
size_t n;
if (pq == NULL || elem >= pq->hmax || pq->htop == 0)
return 0;
ASSERT_ELEM_USED(pq, elem);
n = pq->elements[elem].posn;
ASSERT_USED(pq, n);
if (n == pq->htop - 1) {
pq->elements[elem].posn = pq->freelist;
pq->freelist = elem;
#ifndef NDEBUG
pq->elements[elem].used = 0;
#endif
return pq->heap[--pq->htop].data;
}
if (n > 0)
pqueue_force_bottom(pq, n);
return ossl_pqueue_pop(pq);
}
static void pqueue_add_freelist(OSSL_PQUEUE *pq, size_t from)
{
struct pq_elem_st *e = pq->elements;
size_t i;
#ifndef NDEBUG
for (i = from; i < pq->hmax; i++)
e[i].used = 0;
#endif
e[from].posn = pq->freelist;
for (i = from + 1; i < pq->hmax; i++)
e[i].posn = i - 1;
pq->freelist = pq->hmax - 1;
}
int ossl_pqueue_reserve(OSSL_PQUEUE *pq, size_t n)
{
size_t new_max, cur_max;
struct pq_heap_st *h;
struct pq_elem_st *e;
if (pq == NULL)
return 0;
cur_max = pq->hmax;
if (pq->htop + n < cur_max)
return 1;
new_max = compute_pqueue_growth(n + cur_max, cur_max);
if (new_max == 0) {
ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
return 0;
}
h = OPENSSL_realloc(pq->heap, new_max * sizeof(*pq->heap));
if (h == NULL)
return 0;
pq->heap = h;
e = OPENSSL_realloc(pq->elements, new_max * sizeof(*pq->elements));
if (e == NULL)
return 0;
pq->elements = e;
pq->hmax = new_max;
pqueue_add_freelist(pq, cur_max);
return 1;
}
OSSL_PQUEUE *ossl_pqueue_new(int (*compare)(const void *, const void *))
{
OSSL_PQUEUE *pq;
if (compare == NULL)
return NULL;
pq = OPENSSL_malloc(sizeof(*pq));
if (pq == NULL)
return NULL;
pq->compare = compare;
pq->hmax = min_nodes;
pq->htop = 0;
pq->freelist = 0;
pq->heap = OPENSSL_malloc(sizeof(*pq->heap) * min_nodes);
pq->elements = OPENSSL_malloc(sizeof(*pq->elements) * min_nodes);
if (pq->heap == NULL || pq->elements == NULL) {
ossl_pqueue_free(pq);
return NULL;
}
pqueue_add_freelist(pq, 0);
return pq;
}
void ossl_pqueue_free(OSSL_PQUEUE *pq)
{
if (pq != NULL) {
OPENSSL_free(pq->heap);
OPENSSL_free(pq->elements);
OPENSSL_free(pq);
}
}
void ossl_pqueue_pop_free(OSSL_PQUEUE *pq, void (*freefunc)(void *))
{
size_t i;
if (pq != NULL) {
for (i = 0; i < pq->htop; i++)
(*freefunc)(pq->heap[i].data);
ossl_pqueue_free(pq);
}
}
size_t ossl_pqueue_num(const OSSL_PQUEUE *pq)
{
return pq != NULL ? pq->htop : 0;
}
| ssl | openssl/ssl/priority_queue.c | openssl |
#include "ssl_local.h"
int dtls1_write_app_data_bytes(SSL *s, uint8_t type, const void *buf_,
size_t len, size_t *written)
{
int i;
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL_ONLY(s);
if (sc == NULL)
return -1;
if (SSL_in_init(s) && !ossl_statem_get_in_handshake(sc)) {
i = sc->handshake_func(s);
if (i < 0)
return i;
if (i == 0) {
ERR_raise(ERR_LIB_SSL, SSL_R_SSL_HANDSHAKE_FAILURE);
return -1;
}
}
if (len > SSL3_RT_MAX_PLAIN_LENGTH) {
ERR_raise(ERR_LIB_SSL, SSL_R_DTLS_MESSAGE_TOO_BIG);
return -1;
}
return dtls1_write_bytes(sc, type, buf_, len, written);
}
int dtls1_dispatch_alert(SSL *ssl)
{
int i, j;
void (*cb) (const SSL *ssl, int type, int val) = NULL;
unsigned char buf[DTLS1_AL_HEADER_LENGTH];
unsigned char *ptr = &buf[0];
size_t written;
SSL_CONNECTION *s = SSL_CONNECTION_FROM_SSL_ONLY(ssl);
if (s == NULL)
return 0;
s->s3.alert_dispatch = SSL_ALERT_DISPATCH_NONE;
memset(buf, 0, sizeof(buf));
*ptr++ = s->s3.send_alert[0];
*ptr++ = s->s3.send_alert[1];
i = do_dtls1_write(s, SSL3_RT_ALERT, &buf[0], sizeof(buf), &written);
if (i <= 0) {
s->s3.alert_dispatch = 1;
} else {
(void)BIO_flush(s->wbio);
if (s->msg_callback)
s->msg_callback(1, s->version, SSL3_RT_ALERT, s->s3.send_alert,
2, ssl, s->msg_callback_arg);
if (s->info_callback != NULL)
cb = s->info_callback;
else if (ssl->ctx->info_callback != NULL)
cb = ssl->ctx->info_callback;
if (cb != NULL) {
j = (s->s3.send_alert[0] << 8) | s->s3.send_alert[1];
cb(ssl, SSL_CB_WRITE_ALERT, j);
}
}
return i;
}
| ssl | openssl/ssl/d1_msg.c | openssl |
#include <stdlib.h>
#include "internal/event_queue.h"
#include "ssl_local.h"
struct ossl_event_queue_st {
PRIORITY_QUEUE_OF(OSSL_EVENT) *timed_events;
PRIORITY_QUEUE_OF(OSSL_EVENT) *now_events;
};
static int event_compare_times(const OSSL_EVENT *a, const OSSL_EVENT *b)
{
return ossl_time_compare(a->when, b->when);
}
static int event_compare_priority(const OSSL_EVENT *a, const OSSL_EVENT *b)
{
if (a->priority > b->priority)
return -1;
if (a->priority < b->priority)
return 1;
return 0;
}
OSSL_EVENT_QUEUE *ossl_event_queue_new(void)
{
OSSL_EVENT_QUEUE *r = OPENSSL_malloc(sizeof(*r));
if (r != NULL) {
r->timed_events = ossl_pqueue_OSSL_EVENT_new(&event_compare_times);
r->now_events = ossl_pqueue_OSSL_EVENT_new(&event_compare_priority);
if (r->timed_events == NULL || r->now_events == NULL) {
ossl_event_queue_free(r);
return NULL;
}
}
return r;
}
void ossl_event_free(OSSL_EVENT *event)
{
if (event != NULL) {
if (event->flag_dynamic)
OPENSSL_free(event);
else
event->queue = NULL;
}
}
static void event_queue_free(PRIORITY_QUEUE_OF(OSSL_EVENT) *queue)
{
OSSL_EVENT *e;
if (queue != NULL) {
while ((e = ossl_pqueue_OSSL_EVENT_pop(queue)) != NULL)
ossl_event_free(e);
ossl_pqueue_OSSL_EVENT_free(queue);
}
}
void ossl_event_queue_free(OSSL_EVENT_QUEUE *queue)
{
if (queue != NULL) {
event_queue_free(queue->now_events);
event_queue_free(queue->timed_events);
OPENSSL_free(queue);
}
}
static ossl_inline
int event_queue_add(OSSL_EVENT_QUEUE *queue, OSSL_EVENT *event)
{
PRIORITY_QUEUE_OF(OSSL_EVENT) *pq =
ossl_time_compare(event->when, ossl_time_now()) <= 0
? queue->now_events
: queue->timed_events;
if (ossl_pqueue_OSSL_EVENT_push(pq, event, &event->ref)) {
event->queue = pq;
return 1;
}
return 0;
}
static ossl_inline
void ossl_event_set(OSSL_EVENT *event, uint32_t type, uint32_t priority,
OSSL_TIME when, void *ctx,
void *payload, size_t payload_size)
{
event->type = type;
event->priority = priority;
event->when = when;
event->ctx = ctx;
event->payload = payload;
event->payload_size = payload_size;
}
OSSL_EVENT *ossl_event_queue_add_new(OSSL_EVENT_QUEUE *queue,
uint32_t type, uint32_t priority,
OSSL_TIME when, void *ctx,
void *payload, size_t payload_size)
{
OSSL_EVENT *e = OPENSSL_malloc(sizeof(*e));
if (e == NULL || queue == NULL) {
OPENSSL_free(e);
return NULL;
}
ossl_event_set(e, type, priority, when, ctx, payload, payload_size);
e->flag_dynamic = 1;
if (event_queue_add(queue, e))
return e;
OPENSSL_free(e);
return NULL;
}
int ossl_event_queue_add(OSSL_EVENT_QUEUE *queue, OSSL_EVENT *event,
uint32_t type, uint32_t priority,
OSSL_TIME when, void *ctx,
void *payload, size_t payload_size)
{
if (event == NULL || queue == NULL)
return 0;
ossl_event_set(event, type, priority, when, ctx, payload, payload_size);
event->flag_dynamic = 0;
return event_queue_add(queue, event);
}
int ossl_event_queue_remove(OSSL_EVENT_QUEUE *queue, OSSL_EVENT *event)
{
if (event != NULL && event->queue != NULL) {
ossl_pqueue_OSSL_EVENT_remove(event->queue, event->ref);
event->queue = NULL;
}
return 1;
}
OSSL_TIME ossl_event_time_until(const OSSL_EVENT *event)
{
if (event == NULL)
return ossl_time_infinite();
return ossl_time_subtract(event->when, ossl_time_now());
}
OSSL_TIME ossl_event_queue_time_until_next(const OSSL_EVENT_QUEUE *queue)
{
if (queue == NULL)
return ossl_time_infinite();
if (ossl_pqueue_OSSL_EVENT_num(queue->now_events) > 0)
return ossl_time_zero();
return ossl_event_time_until(ossl_pqueue_OSSL_EVENT_peek(queue->timed_events));
}
int ossl_event_queue_postpone_until(OSSL_EVENT_QUEUE *queue,
OSSL_EVENT *event,
OSSL_TIME when)
{
if (ossl_event_queue_remove(queue, event)) {
event->when = when;
return event_queue_add(queue, event);
}
return 0;
}
int ossl_event_queue_get1_next_event(OSSL_EVENT_QUEUE *queue,
OSSL_EVENT **event)
{
OSSL_TIME now = ossl_time_now();
OSSL_EVENT *e;
while ((e = ossl_pqueue_OSSL_EVENT_peek(queue->timed_events)) != NULL
&& ossl_time_compare(e->when, now) <= 0) {
e = ossl_pqueue_OSSL_EVENT_pop(queue->timed_events);
if (!ossl_pqueue_OSSL_EVENT_push(queue->now_events, e, &e->ref)) {
e->queue = NULL;
return 0;
}
}
*event = ossl_pqueue_OSSL_EVENT_pop(queue->now_events);
return 1;
}
| ssl | openssl/ssl/event_queue.c | openssl |
#include <stdio.h>
#include <openssl/buffer.h>
#include "ssl_local.h"
#ifndef OPENSSL_NO_STDIO
int SSL_SESSION_print_fp(FILE *fp, const SSL_SESSION *x)
{
BIO *b;
int ret;
if ((b = BIO_new(BIO_s_file())) == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_BUF_LIB);
return 0;
}
BIO_set_fp(b, fp, BIO_NOCLOSE);
ret = SSL_SESSION_print(b, x);
BIO_free(b);
return ret;
}
#endif
int SSL_SESSION_print(BIO *bp, const SSL_SESSION *x)
{
size_t i;
const char *s;
int istls13;
if (x == NULL)
goto err;
istls13 = (x->ssl_version == TLS1_3_VERSION);
if (BIO_puts(bp, "SSL-Session:\n") <= 0)
goto err;
s = ssl_protocol_to_string(x->ssl_version);
if (BIO_printf(bp, " Protocol : %s\n", s) <= 0)
goto err;
if (x->cipher == NULL) {
if (((x->cipher_id) & 0xff000000) == 0x02000000) {
if (BIO_printf(bp, " Cipher : %06lX\n",
x->cipher_id & 0xffffff) <= 0)
goto err;
} else {
if (BIO_printf(bp, " Cipher : %04lX\n",
x->cipher_id & 0xffff) <= 0)
goto err;
}
} else {
if (BIO_printf(bp, " Cipher : %s\n",
((x->cipher->name == NULL) ? "unknown"
: x->cipher->name)) <= 0)
goto err;
}
if (BIO_puts(bp, " Session-ID: ") <= 0)
goto err;
for (i = 0; i < x->session_id_length; i++) {
if (BIO_printf(bp, "%02X", x->session_id[i]) <= 0)
goto err;
}
if (BIO_puts(bp, "\n Session-ID-ctx: ") <= 0)
goto err;
for (i = 0; i < x->sid_ctx_length; i++) {
if (BIO_printf(bp, "%02X", x->sid_ctx[i]) <= 0)
goto err;
}
if (istls13) {
if (BIO_puts(bp, "\n Resumption PSK: ") <= 0)
goto err;
} else if (BIO_puts(bp, "\n Master-Key: ") <= 0)
goto err;
for (i = 0; i < x->master_key_length; i++) {
if (BIO_printf(bp, "%02X", x->master_key[i]) <= 0)
goto err;
}
#ifndef OPENSSL_NO_PSK
if (BIO_puts(bp, "\n PSK identity: ") <= 0)
goto err;
if (BIO_printf(bp, "%s", x->psk_identity ? x->psk_identity : "None") <= 0)
goto err;
if (BIO_puts(bp, "\n PSK identity hint: ") <= 0)
goto err;
if (BIO_printf
(bp, "%s", x->psk_identity_hint ? x->psk_identity_hint : "None") <= 0)
goto err;
#endif
#ifndef OPENSSL_NO_SRP
if (BIO_puts(bp, "\n SRP username: ") <= 0)
goto err;
if (BIO_printf(bp, "%s", x->srp_username ? x->srp_username : "None") <= 0)
goto err;
#endif
if (x->ext.tick_lifetime_hint) {
if (BIO_printf(bp,
"\n TLS session ticket lifetime hint: %ld (seconds)",
x->ext.tick_lifetime_hint) <= 0)
goto err;
}
if (x->ext.tick) {
if (BIO_puts(bp, "\n TLS session ticket:\n") <= 0)
goto err;
if (BIO_dump_indent
(bp, (const char *)x->ext.tick, (int)x->ext.ticklen, 4)
<= 0)
goto err;
}
#ifndef OPENSSL_NO_COMP
if (x->compress_meth != 0) {
SSL_COMP *comp = NULL;
if (!ssl_cipher_get_evp(NULL, x, NULL, NULL, NULL, NULL, &comp, 0))
goto err;
if (comp == NULL) {
if (BIO_printf(bp, "\n Compression: %d", x->compress_meth) <= 0)
goto err;
} else {
if (BIO_printf(bp, "\n Compression: %d (%s)", comp->id,
comp->name) <= 0)
goto err;
}
}
#endif
if (!ossl_time_is_zero(x->time)) {
if (BIO_printf(bp, "\n Start Time: %lld",
(long long)ossl_time_to_time_t(x->time)) <= 0)
goto err;
}
if (!ossl_time_is_zero(x->timeout)) {
if (BIO_printf(bp, "\n Timeout : %lld (sec)",
(long long)ossl_time2seconds(x->timeout)) <= 0)
goto err;
}
if (BIO_puts(bp, "\n") <= 0)
goto err;
if (BIO_puts(bp, " Verify return code: ") <= 0)
goto err;
if (BIO_printf(bp, "%ld (%s)\n", x->verify_result,
X509_verify_cert_error_string(x->verify_result)) <= 0)
goto err;
if (BIO_printf(bp, " Extended master secret: %s\n",
x->flags & SSL_SESS_FLAG_EXTMS ? "yes" : "no") <= 0)
goto err;
if (istls13) {
if (BIO_printf(bp, " Max Early Data: %u\n",
(unsigned int)x->ext.max_early_data) <= 0)
goto err;
}
return 1;
err:
return 0;
}
int SSL_SESSION_print_keylog(BIO *bp, const SSL_SESSION *x)
{
size_t i;
if (x == NULL)
goto err;
if (x->session_id_length == 0 || x->master_key_length == 0)
goto err;
if (BIO_puts(bp, "RSA ") <= 0)
goto err;
if (BIO_puts(bp, "Session-ID:") <= 0)
goto err;
for (i = 0; i < x->session_id_length; i++) {
if (BIO_printf(bp, "%02X", x->session_id[i]) <= 0)
goto err;
}
if (BIO_puts(bp, " Master-Key:") <= 0)
goto err;
for (i = 0; i < x->master_key_length; i++) {
if (BIO_printf(bp, "%02X", x->master_key[i]) <= 0)
goto err;
}
if (BIO_puts(bp, "\n") <= 0)
goto err;
return 1;
err:
return 0;
}
| ssl | openssl/ssl/ssl_txt.c | openssl |
#include "internal/e_os.h"
#include "internal/err.h"
#include <openssl/crypto.h>
#include <openssl/evp.h>
#include <openssl/trace.h>
#include "ssl_local.h"
#include "sslerr.h"
#include "internal/thread_once.h"
static int stopped;
static void ssl_library_stop(void);
static CRYPTO_ONCE ssl_base = CRYPTO_ONCE_STATIC_INIT;
static int ssl_base_inited = 0;
DEFINE_RUN_ONCE_STATIC(ossl_init_ssl_base)
{
#ifndef OPENSSL_NO_COMP
OSSL_TRACE(INIT, "ossl_init_ssl_base: "
"SSL_COMP_get_compression_methods()\n");
SSL_COMP_get_compression_methods();
#endif
ssl_sort_cipher_list();
OSSL_TRACE(INIT, "ossl_init_ssl_base: SSL_add_ssl_module()\n");
OPENSSL_atexit(ssl_library_stop);
ssl_base_inited = 1;
return 1;
}
static CRYPTO_ONCE ssl_strings = CRYPTO_ONCE_STATIC_INIT;
DEFINE_RUN_ONCE_STATIC(ossl_init_load_ssl_strings)
{
#if !defined(OPENSSL_NO_ERR) && !defined(OPENSSL_NO_AUTOERRINIT)
OSSL_TRACE(INIT, "ossl_init_load_ssl_strings: ossl_err_load_SSL_strings()\n");
ossl_err_load_SSL_strings();
#endif
return 1;
}
DEFINE_RUN_ONCE_STATIC_ALT(ossl_init_no_load_ssl_strings,
ossl_init_load_ssl_strings)
{
return 1;
}
static void ssl_library_stop(void)
{
if (stopped)
return;
stopped = 1;
if (ssl_base_inited) {
#ifndef OPENSSL_NO_COMP
OSSL_TRACE(INIT, "ssl_library_stop: "
"ssl_comp_free_compression_methods_int()\n");
ssl_comp_free_compression_methods_int();
#endif
}
}
int OPENSSL_init_ssl(uint64_t opts, const OPENSSL_INIT_SETTINGS *settings)
{
static int stoperrset = 0;
if (stopped) {
if (!stoperrset) {
stoperrset = 1;
ERR_raise(ERR_LIB_SSL, ERR_R_INIT_FAIL);
}
return 0;
}
opts |= OPENSSL_INIT_ADD_ALL_CIPHERS
| OPENSSL_INIT_ADD_ALL_DIGESTS;
#ifndef OPENSSL_NO_AUTOLOAD_CONFIG
if ((opts & OPENSSL_INIT_NO_LOAD_CONFIG) == 0)
opts |= OPENSSL_INIT_LOAD_CONFIG;
#endif
if (!OPENSSL_init_crypto(opts, settings))
return 0;
if (!RUN_ONCE(&ssl_base, ossl_init_ssl_base))
return 0;
if ((opts & OPENSSL_INIT_NO_LOAD_SSL_STRINGS)
&& !RUN_ONCE_ALT(&ssl_strings, ossl_init_no_load_ssl_strings,
ossl_init_load_ssl_strings))
return 0;
if ((opts & OPENSSL_INIT_LOAD_SSL_STRINGS)
&& !RUN_ONCE(&ssl_strings, ossl_init_load_ssl_strings))
return 0;
return 1;
}
| ssl | openssl/ssl/ssl_init.c | openssl |
#include <stdio.h>
#include <sys/types.h>
#include "internal/nelem.h"
#include "internal/o_dir.h"
#include <openssl/bio.h>
#include <openssl/pem.h>
#include <openssl/store.h>
#include <openssl/x509v3.h>
#include <openssl/dh.h>
#include <openssl/bn.h>
#include <openssl/crypto.h>
#include "internal/refcount.h"
#include "ssl_local.h"
#include "ssl_cert_table.h"
#include "internal/thread_once.h"
#ifndef OPENSSL_NO_POSIX_IO
# include <sys/stat.h>
# ifdef _WIN32
# define stat _stat
# endif
# ifndef S_ISDIR
# define S_ISDIR(a) (((a) & S_IFMT) == S_IFDIR)
# endif
#endif
static int ssl_security_default_callback(const SSL *s, const SSL_CTX *ctx,
int op, int bits, int nid, void *other,
void *ex);
static CRYPTO_ONCE ssl_x509_store_ctx_once = CRYPTO_ONCE_STATIC_INIT;
static volatile int ssl_x509_store_ctx_idx = -1;
DEFINE_RUN_ONCE_STATIC(ssl_x509_store_ctx_init)
{
ssl_x509_store_ctx_idx = X509_STORE_CTX_get_ex_new_index(0,
"SSL for verify callback",
NULL, NULL, NULL);
return ssl_x509_store_ctx_idx >= 0;
}
int SSL_get_ex_data_X509_STORE_CTX_idx(void)
{
if (!RUN_ONCE(&ssl_x509_store_ctx_once, ssl_x509_store_ctx_init))
return -1;
return ssl_x509_store_ctx_idx;
}
CERT *ssl_cert_new(size_t ssl_pkey_num)
{
CERT *ret = NULL;
if (!ossl_assert(ssl_pkey_num >= SSL_PKEY_NUM))
return NULL;
ret = OPENSSL_zalloc(sizeof(*ret));
if (ret == NULL)
return NULL;
ret->ssl_pkey_num = ssl_pkey_num;
ret->pkeys = OPENSSL_zalloc(ret->ssl_pkey_num * sizeof(CERT_PKEY));
if (ret->pkeys == NULL) {
OPENSSL_free(ret);
return NULL;
}
ret->key = &(ret->pkeys[SSL_PKEY_RSA]);
ret->sec_cb = ssl_security_default_callback;
ret->sec_level = OPENSSL_TLS_SECURITY_LEVEL;
ret->sec_ex = NULL;
if (!CRYPTO_NEW_REF(&ret->references, 1)) {
OPENSSL_free(ret->pkeys);
OPENSSL_free(ret);
return NULL;
}
return ret;
}
CERT *ssl_cert_dup(CERT *cert)
{
CERT *ret = OPENSSL_zalloc(sizeof(*ret));
size_t i;
#ifndef OPENSSL_NO_COMP_ALG
int j;
#endif
if (ret == NULL)
return NULL;
ret->ssl_pkey_num = cert->ssl_pkey_num;
ret->pkeys = OPENSSL_zalloc(ret->ssl_pkey_num * sizeof(CERT_PKEY));
if (ret->pkeys == NULL) {
OPENSSL_free(ret);
return NULL;
}
ret->key = &ret->pkeys[cert->key - cert->pkeys];
if (!CRYPTO_NEW_REF(&ret->references, 1)) {
OPENSSL_free(ret->pkeys);
OPENSSL_free(ret);
return NULL;
}
if (cert->dh_tmp != NULL) {
ret->dh_tmp = cert->dh_tmp;
EVP_PKEY_up_ref(ret->dh_tmp);
}
ret->dh_tmp_cb = cert->dh_tmp_cb;
ret->dh_tmp_auto = cert->dh_tmp_auto;
for (i = 0; i < ret->ssl_pkey_num; i++) {
CERT_PKEY *cpk = cert->pkeys + i;
CERT_PKEY *rpk = ret->pkeys + i;
if (cpk->x509 != NULL) {
rpk->x509 = cpk->x509;
X509_up_ref(rpk->x509);
}
if (cpk->privatekey != NULL) {
rpk->privatekey = cpk->privatekey;
EVP_PKEY_up_ref(cpk->privatekey);
}
if (cpk->chain) {
rpk->chain = X509_chain_up_ref(cpk->chain);
if (!rpk->chain) {
ERR_raise(ERR_LIB_SSL, ERR_R_X509_LIB);
goto err;
}
}
if (cpk->serverinfo != NULL) {
rpk->serverinfo = OPENSSL_memdup(cpk->serverinfo, cpk->serverinfo_length);
if (rpk->serverinfo == NULL)
goto err;
rpk->serverinfo_length = cpk->serverinfo_length;
}
#ifndef OPENSSL_NO_COMP_ALG
for (j = TLSEXT_comp_cert_none; j < TLSEXT_comp_cert_limit; j++) {
if (cpk->comp_cert[j] != NULL) {
if (!OSSL_COMP_CERT_up_ref(cpk->comp_cert[j]))
goto err;
rpk->comp_cert[j] = cpk->comp_cert[j];
}
}
#endif
}
if (cert->conf_sigalgs) {
ret->conf_sigalgs = OPENSSL_malloc(cert->conf_sigalgslen
* sizeof(*cert->conf_sigalgs));
if (ret->conf_sigalgs == NULL)
goto err;
memcpy(ret->conf_sigalgs, cert->conf_sigalgs,
cert->conf_sigalgslen * sizeof(*cert->conf_sigalgs));
ret->conf_sigalgslen = cert->conf_sigalgslen;
} else
ret->conf_sigalgs = NULL;
if (cert->client_sigalgs) {
ret->client_sigalgs = OPENSSL_malloc(cert->client_sigalgslen
* sizeof(*cert->client_sigalgs));
if (ret->client_sigalgs == NULL)
goto err;
memcpy(ret->client_sigalgs, cert->client_sigalgs,
cert->client_sigalgslen * sizeof(*cert->client_sigalgs));
ret->client_sigalgslen = cert->client_sigalgslen;
} else
ret->client_sigalgs = NULL;
if (cert->ctype) {
ret->ctype = OPENSSL_memdup(cert->ctype, cert->ctype_len);
if (ret->ctype == NULL)
goto err;
ret->ctype_len = cert->ctype_len;
}
ret->cert_flags = cert->cert_flags;
ret->cert_cb = cert->cert_cb;
ret->cert_cb_arg = cert->cert_cb_arg;
if (cert->verify_store) {
X509_STORE_up_ref(cert->verify_store);
ret->verify_store = cert->verify_store;
}
if (cert->chain_store) {
X509_STORE_up_ref(cert->chain_store);
ret->chain_store = cert->chain_store;
}
ret->sec_cb = cert->sec_cb;
ret->sec_level = cert->sec_level;
ret->sec_ex = cert->sec_ex;
if (!custom_exts_copy(&ret->custext, &cert->custext))
goto err;
#ifndef OPENSSL_NO_PSK
if (cert->psk_identity_hint) {
ret->psk_identity_hint = OPENSSL_strdup(cert->psk_identity_hint);
if (ret->psk_identity_hint == NULL)
goto err;
}
#endif
return ret;
err:
ssl_cert_free(ret);
return NULL;
}
void ssl_cert_clear_certs(CERT *c)
{
size_t i;
#ifndef OPENSSL_NO_COMP_ALG
int j;
#endif
if (c == NULL)
return;
for (i = 0; i < c->ssl_pkey_num; i++) {
CERT_PKEY *cpk = c->pkeys + i;
X509_free(cpk->x509);
cpk->x509 = NULL;
EVP_PKEY_free(cpk->privatekey);
cpk->privatekey = NULL;
OSSL_STACK_OF_X509_free(cpk->chain);
cpk->chain = NULL;
OPENSSL_free(cpk->serverinfo);
cpk->serverinfo = NULL;
cpk->serverinfo_length = 0;
#ifndef OPENSSL_NO_COMP_ALG
for (j = 0; j < TLSEXT_comp_cert_limit; j++) {
OSSL_COMP_CERT_free(cpk->comp_cert[j]);
cpk->comp_cert[j] = NULL;
cpk->cert_comp_used = 0;
}
#endif
}
}
void ssl_cert_free(CERT *c)
{
int i;
if (c == NULL)
return;
CRYPTO_DOWN_REF(&c->references, &i);
REF_PRINT_COUNT("CERT", c);
if (i > 0)
return;
REF_ASSERT_ISNT(i < 0);
EVP_PKEY_free(c->dh_tmp);
ssl_cert_clear_certs(c);
OPENSSL_free(c->conf_sigalgs);
OPENSSL_free(c->client_sigalgs);
OPENSSL_free(c->ctype);
X509_STORE_free(c->verify_store);
X509_STORE_free(c->chain_store);
custom_exts_free(&c->custext);
#ifndef OPENSSL_NO_PSK
OPENSSL_free(c->psk_identity_hint);
#endif
OPENSSL_free(c->pkeys);
CRYPTO_FREE_REF(&c->references);
OPENSSL_free(c);
}
int ssl_cert_set0_chain(SSL_CONNECTION *s, SSL_CTX *ctx, STACK_OF(X509) *chain)
{
int i, r;
CERT_PKEY *cpk = s != NULL ? s->cert->key : ctx->cert->key;
if (!cpk)
return 0;
for (i = 0; i < sk_X509_num(chain); i++) {
X509 *x = sk_X509_value(chain, i);
r = ssl_security_cert(s, ctx, x, 0, 0);
if (r != 1) {
ERR_raise(ERR_LIB_SSL, r);
return 0;
}
}
OSSL_STACK_OF_X509_free(cpk->chain);
cpk->chain = chain;
return 1;
}
int ssl_cert_set1_chain(SSL_CONNECTION *s, SSL_CTX *ctx, STACK_OF(X509) *chain)
{
STACK_OF(X509) *dchain;
if (!chain)
return ssl_cert_set0_chain(s, ctx, NULL);
dchain = X509_chain_up_ref(chain);
if (!dchain)
return 0;
if (!ssl_cert_set0_chain(s, ctx, dchain)) {
OSSL_STACK_OF_X509_free(dchain);
return 0;
}
return 1;
}
int ssl_cert_add0_chain_cert(SSL_CONNECTION *s, SSL_CTX *ctx, X509 *x)
{
int r;
CERT_PKEY *cpk = s ? s->cert->key : ctx->cert->key;
if (!cpk)
return 0;
r = ssl_security_cert(s, ctx, x, 0, 0);
if (r != 1) {
ERR_raise(ERR_LIB_SSL, r);
return 0;
}
if (!cpk->chain)
cpk->chain = sk_X509_new_null();
if (!cpk->chain || !sk_X509_push(cpk->chain, x))
return 0;
return 1;
}
int ssl_cert_add1_chain_cert(SSL_CONNECTION *s, SSL_CTX *ctx, X509 *x)
{
if (!ssl_cert_add0_chain_cert(s, ctx, x))
return 0;
X509_up_ref(x);
return 1;
}
int ssl_cert_select_current(CERT *c, X509 *x)
{
size_t i;
if (x == NULL)
return 0;
for (i = 0; i < c->ssl_pkey_num; i++) {
CERT_PKEY *cpk = c->pkeys + i;
if (cpk->x509 == x && cpk->privatekey) {
c->key = cpk;
return 1;
}
}
for (i = 0; i < c->ssl_pkey_num; i++) {
CERT_PKEY *cpk = c->pkeys + i;
if (cpk->privatekey && cpk->x509 && !X509_cmp(cpk->x509, x)) {
c->key = cpk;
return 1;
}
}
return 0;
}
int ssl_cert_set_current(CERT *c, long op)
{
size_t i, idx;
if (!c)
return 0;
if (op == SSL_CERT_SET_FIRST)
idx = 0;
else if (op == SSL_CERT_SET_NEXT) {
idx = (size_t)(c->key - c->pkeys + 1);
if (idx >= c->ssl_pkey_num)
return 0;
} else
return 0;
for (i = idx; i < c->ssl_pkey_num; i++) {
CERT_PKEY *cpk = c->pkeys + i;
if (cpk->x509 && cpk->privatekey) {
c->key = cpk;
return 1;
}
}
return 0;
}
void ssl_cert_set_cert_cb(CERT *c, int (*cb) (SSL *ssl, void *arg), void *arg)
{
c->cert_cb = cb;
c->cert_cb_arg = arg;
}
static int ssl_verify_internal(SSL_CONNECTION *s, STACK_OF(X509) *sk, EVP_PKEY *rpk)
{
X509 *x;
int i = 0;
X509_STORE *verify_store;
X509_STORE_CTX *ctx = NULL;
X509_VERIFY_PARAM *param;
SSL_CTX *sctx;
if ((sk == NULL || sk_X509_num(sk) == 0) && rpk == NULL)
return 0;
if (sk != NULL && rpk != NULL)
return 0;
sctx = SSL_CONNECTION_GET_CTX(s);
if (s->cert->verify_store)
verify_store = s->cert->verify_store;
else
verify_store = sctx->cert_store;
ctx = X509_STORE_CTX_new_ex(sctx->libctx, sctx->propq);
if (ctx == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_X509_LIB);
return 0;
}
if (sk != NULL) {
x = sk_X509_value(sk, 0);
if (!X509_STORE_CTX_init(ctx, verify_store, x, sk)) {
ERR_raise(ERR_LIB_SSL, ERR_R_X509_LIB);
goto end;
}
} else {
if (!X509_STORE_CTX_init_rpk(ctx, verify_store, rpk)) {
ERR_raise(ERR_LIB_SSL, ERR_R_X509_LIB);
goto end;
}
}
param = X509_STORE_CTX_get0_param(ctx);
X509_VERIFY_PARAM_set_auth_level(param,
SSL_get_security_level(SSL_CONNECTION_GET_SSL(s)));
X509_STORE_CTX_set_flags(ctx, tls1_suiteb(s));
if (!X509_STORE_CTX_set_ex_data(ctx,
SSL_get_ex_data_X509_STORE_CTX_idx(), s)) {
goto end;
}
if (DANETLS_ENABLED(&s->dane))
X509_STORE_CTX_set0_dane(ctx, &s->dane);
X509_STORE_CTX_set_default(ctx, s->server ? "ssl_client" : "ssl_server");
X509_VERIFY_PARAM_set1(param, s->param);
if (s->verify_callback)
X509_STORE_CTX_set_verify_cb(ctx, s->verify_callback);
if (sctx->app_verify_callback != NULL) {
i = sctx->app_verify_callback(ctx, sctx->app_verify_arg);
} else {
i = X509_verify_cert(ctx);
if (i < 0)
i = 0;
}
s->verify_result = X509_STORE_CTX_get_error(ctx);
OSSL_STACK_OF_X509_free(s->verified_chain);
s->verified_chain = NULL;
if (sk != NULL && X509_STORE_CTX_get0_chain(ctx) != NULL) {
s->verified_chain = X509_STORE_CTX_get1_chain(ctx);
if (s->verified_chain == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_X509_LIB);
i = 0;
}
}
X509_VERIFY_PARAM_move_peername(s->param, param);
end:
X509_STORE_CTX_free(ctx);
return i;
}
int ssl_verify_rpk(SSL_CONNECTION *s, EVP_PKEY *rpk)
{
return ssl_verify_internal(s, NULL, rpk);
}
int ssl_verify_cert_chain(SSL_CONNECTION *s, STACK_OF(X509) *sk)
{
return ssl_verify_internal(s, sk, NULL);
}
static void set0_CA_list(STACK_OF(X509_NAME) **ca_list,
STACK_OF(X509_NAME) *name_list)
{
sk_X509_NAME_pop_free(*ca_list, X509_NAME_free);
*ca_list = name_list;
}
STACK_OF(X509_NAME) *SSL_dup_CA_list(const STACK_OF(X509_NAME) *sk)
{
int i;
const int num = sk_X509_NAME_num(sk);
STACK_OF(X509_NAME) *ret;
X509_NAME *name;
ret = sk_X509_NAME_new_reserve(NULL, num);
if (ret == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB);
return NULL;
}
for (i = 0; i < num; i++) {
name = X509_NAME_dup(sk_X509_NAME_value(sk, i));
if (name == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_X509_LIB);
sk_X509_NAME_pop_free(ret, X509_NAME_free);
return NULL;
}
sk_X509_NAME_push(ret, name);
}
return ret;
}
void SSL_set0_CA_list(SSL *s, STACK_OF(X509_NAME) *name_list)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return;
set0_CA_list(&sc->ca_names, name_list);
}
void SSL_CTX_set0_CA_list(SSL_CTX *ctx, STACK_OF(X509_NAME) *name_list)
{
set0_CA_list(&ctx->ca_names, name_list);
}
const STACK_OF(X509_NAME) *SSL_CTX_get0_CA_list(const SSL_CTX *ctx)
{
return ctx->ca_names;
}
const STACK_OF(X509_NAME) *SSL_get0_CA_list(const SSL *s)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
if (sc == NULL)
return NULL;
return sc->ca_names != NULL ? sc->ca_names : s->ctx->ca_names;
}
void SSL_CTX_set_client_CA_list(SSL_CTX *ctx, STACK_OF(X509_NAME) *name_list)
{
set0_CA_list(&ctx->client_ca_names, name_list);
}
STACK_OF(X509_NAME) *SSL_CTX_get_client_CA_list(const SSL_CTX *ctx)
{
return ctx->client_ca_names;
}
void SSL_set_client_CA_list(SSL *s, STACK_OF(X509_NAME) *name_list)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return;
set0_CA_list(&sc->client_ca_names, name_list);
}
const STACK_OF(X509_NAME) *SSL_get0_peer_CA_list(const SSL *s)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
if (sc == NULL)
return NULL;
return sc->s3.tmp.peer_ca_names;
}
STACK_OF(X509_NAME) *SSL_get_client_CA_list(const SSL *s)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
if (sc == NULL)
return NULL;
if (!sc->server)
return sc->s3.tmp.peer_ca_names;
return sc->client_ca_names != NULL ? sc->client_ca_names
: s->ctx->client_ca_names;
}
static int add_ca_name(STACK_OF(X509_NAME) **sk, const X509 *x)
{
X509_NAME *name;
if (x == NULL)
return 0;
if (*sk == NULL && ((*sk = sk_X509_NAME_new_null()) == NULL))
return 0;
if ((name = X509_NAME_dup(X509_get_subject_name(x))) == NULL)
return 0;
if (!sk_X509_NAME_push(*sk, name)) {
X509_NAME_free(name);
return 0;
}
return 1;
}
int SSL_add1_to_CA_list(SSL *ssl, const X509 *x)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl);
if (sc == NULL)
return 0;
return add_ca_name(&sc->ca_names, x);
}
int SSL_CTX_add1_to_CA_list(SSL_CTX *ctx, const X509 *x)
{
return add_ca_name(&ctx->ca_names, x);
}
int SSL_add_client_CA(SSL *ssl, X509 *x)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl);
if (sc == NULL)
return 0;
return add_ca_name(&sc->client_ca_names, x);
}
int SSL_CTX_add_client_CA(SSL_CTX *ctx, X509 *x)
{
return add_ca_name(&ctx->client_ca_names, x);
}
static int xname_cmp(const X509_NAME *a, const X509_NAME *b)
{
unsigned char *abuf = NULL, *bbuf = NULL;
int alen, blen, ret;
alen = i2d_X509_NAME((X509_NAME *)a, &abuf);
blen = i2d_X509_NAME((X509_NAME *)b, &bbuf);
if (alen < 0 || blen < 0)
ret = -2;
else if (alen != blen)
ret = alen - blen;
else
ret = memcmp(abuf, bbuf, alen);
OPENSSL_free(abuf);
OPENSSL_free(bbuf);
return ret;
}
static int xname_sk_cmp(const X509_NAME *const *a, const X509_NAME *const *b)
{
return xname_cmp(*a, *b);
}
static unsigned long xname_hash(const X509_NAME *a)
{
return X509_NAME_hash_ex((X509_NAME *)a, NULL, NULL, NULL);
}
STACK_OF(X509_NAME) *SSL_load_client_CA_file_ex(const char *file,
OSSL_LIB_CTX *libctx,
const char *propq)
{
BIO *in = BIO_new(BIO_s_file());
X509 *x = NULL;
X509_NAME *xn = NULL;
STACK_OF(X509_NAME) *ret = NULL;
LHASH_OF(X509_NAME) *name_hash = lh_X509_NAME_new(xname_hash, xname_cmp);
OSSL_LIB_CTX *prev_libctx = NULL;
if (name_hash == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB);
goto err;
}
if (in == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_BIO_LIB);
goto err;
}
x = X509_new_ex(libctx, propq);
if (x == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_X509_LIB);
goto err;
}
if (BIO_read_filename(in, file) <= 0)
goto err;
prev_libctx = OSSL_LIB_CTX_set0_default(libctx);
for (;;) {
if (PEM_read_bio_X509(in, &x, NULL, NULL) == NULL)
break;
if (ret == NULL) {
ret = sk_X509_NAME_new_null();
if (ret == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB);
goto err;
}
}
if ((xn = X509_get_subject_name(x)) == NULL)
goto err;
xn = X509_NAME_dup(xn);
if (xn == NULL)
goto err;
if (lh_X509_NAME_retrieve(name_hash, xn) != NULL) {
X509_NAME_free(xn);
xn = NULL;
} else {
lh_X509_NAME_insert(name_hash, xn);
if (!sk_X509_NAME_push(ret, xn))
goto err;
}
}
goto done;
err:
X509_NAME_free(xn);
sk_X509_NAME_pop_free(ret, X509_NAME_free);
ret = NULL;
done:
OSSL_LIB_CTX_set0_default(prev_libctx);
BIO_free(in);
X509_free(x);
lh_X509_NAME_free(name_hash);
if (ret != NULL)
ERR_clear_error();
return ret;
}
STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file)
{
return SSL_load_client_CA_file_ex(file, NULL, NULL);
}
int SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack,
const char *file)
{
BIO *in;
X509 *x = NULL;
X509_NAME *xn = NULL;
int ret = 1;
int (*oldcmp) (const X509_NAME *const *a, const X509_NAME *const *b);
oldcmp = sk_X509_NAME_set_cmp_func(stack, xname_sk_cmp);
in = BIO_new(BIO_s_file());
if (in == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_BIO_LIB);
goto err;
}
if (BIO_read_filename(in, file) <= 0)
goto err;
for (;;) {
if (PEM_read_bio_X509(in, &x, NULL, NULL) == NULL)
break;
if ((xn = X509_get_subject_name(x)) == NULL)
goto err;
xn = X509_NAME_dup(xn);
if (xn == NULL)
goto err;
if (sk_X509_NAME_find(stack, xn) >= 0) {
X509_NAME_free(xn);
} else if (!sk_X509_NAME_push(stack, xn)) {
X509_NAME_free(xn);
goto err;
}
}
ERR_clear_error();
goto done;
err:
ret = 0;
done:
BIO_free(in);
X509_free(x);
(void)sk_X509_NAME_set_cmp_func(stack, oldcmp);
return ret;
}
int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack,
const char *dir)
{
OPENSSL_DIR_CTX *d = NULL;
const char *filename;
int ret = 0;
while ((filename = OPENSSL_DIR_read(&d, dir))) {
char buf[1024];
int r;
#ifndef OPENSSL_NO_POSIX_IO
struct stat st;
#else
if (strcmp(filename, ".") == 0 || strcmp(filename, "..") == 0)
continue;
#endif
if (strlen(dir) + strlen(filename) + 2 > sizeof(buf)) {
ERR_raise(ERR_LIB_SSL, SSL_R_PATH_TOO_LONG);
goto err;
}
#ifdef OPENSSL_SYS_VMS
r = BIO_snprintf(buf, sizeof(buf), "%s%s", dir, filename);
#else
r = BIO_snprintf(buf, sizeof(buf), "%s/%s", dir, filename);
#endif
#ifndef OPENSSL_NO_POSIX_IO
if (!stat(buf, &st) && S_ISDIR(st.st_mode))
continue;
#endif
if (r <= 0 || r >= (int)sizeof(buf))
goto err;
if (!SSL_add_file_cert_subjects_to_stack(stack, buf))
goto err;
}
if (errno) {
ERR_raise_data(ERR_LIB_SYS, get_last_sys_error(),
"calling OPENSSL_dir_read(%s)", dir);
ERR_raise(ERR_LIB_SSL, ERR_R_SYS_LIB);
goto err;
}
ret = 1;
err:
if (d)
OPENSSL_DIR_end(&d);
return ret;
}
static int add_uris_recursive(STACK_OF(X509_NAME) *stack,
const char *uri, int depth)
{
int ok = 1;
OSSL_STORE_CTX *ctx = NULL;
X509 *x = NULL;
X509_NAME *xn = NULL;
if ((ctx = OSSL_STORE_open(uri, NULL, NULL, NULL, NULL)) == NULL)
goto err;
while (!OSSL_STORE_eof(ctx) && !OSSL_STORE_error(ctx)) {
OSSL_STORE_INFO *info = OSSL_STORE_load(ctx);
int infotype = info == 0 ? 0 : OSSL_STORE_INFO_get_type(info);
if (info == NULL)
continue;
if (infotype == OSSL_STORE_INFO_NAME) {
if (depth > 0)
ok = add_uris_recursive(stack, OSSL_STORE_INFO_get0_NAME(info),
depth - 1);
} else if (infotype == OSSL_STORE_INFO_CERT) {
if ((x = OSSL_STORE_INFO_get0_CERT(info)) == NULL
|| (xn = X509_get_subject_name(x)) == NULL
|| (xn = X509_NAME_dup(xn)) == NULL)
goto err;
if (sk_X509_NAME_find(stack, xn) >= 0) {
X509_NAME_free(xn);
} else if (!sk_X509_NAME_push(stack, xn)) {
X509_NAME_free(xn);
goto err;
}
}
OSSL_STORE_INFO_free(info);
}
ERR_clear_error();
goto done;
err:
ok = 0;
done:
OSSL_STORE_close(ctx);
return ok;
}
int SSL_add_store_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack,
const char *store)
{
int (*oldcmp) (const X509_NAME *const *a, const X509_NAME *const *b)
= sk_X509_NAME_set_cmp_func(stack, xname_sk_cmp);
int ret = add_uris_recursive(stack, store, 1);
(void)sk_X509_NAME_set_cmp_func(stack, oldcmp);
return ret;
}
int ssl_build_cert_chain(SSL_CONNECTION *s, SSL_CTX *ctx, int flags)
{
CERT *c = s != NULL ? s->cert : ctx->cert;
CERT_PKEY *cpk = c->key;
X509_STORE *chain_store = NULL;
X509_STORE_CTX *xs_ctx = NULL;
STACK_OF(X509) *chain = NULL, *untrusted = NULL;
X509 *x;
SSL_CTX *real_ctx = (s == NULL) ? ctx : SSL_CONNECTION_GET_CTX(s);
int i, rv = 0;
if (cpk->x509 == NULL) {
ERR_raise(ERR_LIB_SSL, SSL_R_NO_CERTIFICATE_SET);
goto err;
}
if (flags & SSL_BUILD_CHAIN_FLAG_CHECK) {
chain_store = X509_STORE_new();
if (chain_store == NULL)
goto err;
for (i = 0; i < sk_X509_num(cpk->chain); i++) {
x = sk_X509_value(cpk->chain, i);
if (!X509_STORE_add_cert(chain_store, x))
goto err;
}
if (!X509_STORE_add_cert(chain_store, cpk->x509))
goto err;
} else {
if (c->chain_store != NULL)
chain_store = c->chain_store;
else
chain_store = real_ctx->cert_store;
if (flags & SSL_BUILD_CHAIN_FLAG_UNTRUSTED)
untrusted = cpk->chain;
}
xs_ctx = X509_STORE_CTX_new_ex(real_ctx->libctx, real_ctx->propq);
if (xs_ctx == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_X509_LIB);
goto err;
}
if (!X509_STORE_CTX_init(xs_ctx, chain_store, cpk->x509, untrusted)) {
ERR_raise(ERR_LIB_SSL, ERR_R_X509_LIB);
goto err;
}
X509_STORE_CTX_set_flags(xs_ctx,
c->cert_flags & SSL_CERT_FLAG_SUITEB_128_LOS);
i = X509_verify_cert(xs_ctx);
if (i <= 0 && flags & SSL_BUILD_CHAIN_FLAG_IGNORE_ERROR) {
if (flags & SSL_BUILD_CHAIN_FLAG_CLEAR_ERROR)
ERR_clear_error();
i = 1;
rv = 2;
}
if (i > 0)
chain = X509_STORE_CTX_get1_chain(xs_ctx);
if (i <= 0) {
i = X509_STORE_CTX_get_error(xs_ctx);
ERR_raise_data(ERR_LIB_SSL, SSL_R_CERTIFICATE_VERIFY_FAILED,
"Verify error:%s", X509_verify_cert_error_string(i));
goto err;
}
x = sk_X509_shift(chain);
X509_free(x);
if (flags & SSL_BUILD_CHAIN_FLAG_NO_ROOT) {
if (sk_X509_num(chain) > 0) {
x = sk_X509_value(chain, sk_X509_num(chain) - 1);
if (X509_get_extension_flags(x) & EXFLAG_SS) {
x = sk_X509_pop(chain);
X509_free(x);
}
}
}
for (i = 0; i < sk_X509_num(chain); i++) {
x = sk_X509_value(chain, i);
rv = ssl_security_cert(s, ctx, x, 0, 0);
if (rv != 1) {
ERR_raise(ERR_LIB_SSL, rv);
OSSL_STACK_OF_X509_free(chain);
rv = 0;
goto err;
}
}
OSSL_STACK_OF_X509_free(cpk->chain);
cpk->chain = chain;
if (rv == 0)
rv = 1;
err:
if (flags & SSL_BUILD_CHAIN_FLAG_CHECK)
X509_STORE_free(chain_store);
X509_STORE_CTX_free(xs_ctx);
return rv;
}
int ssl_cert_set_cert_store(CERT *c, X509_STORE *store, int chain, int ref)
{
X509_STORE **pstore;
if (chain)
pstore = &c->chain_store;
else
pstore = &c->verify_store;
X509_STORE_free(*pstore);
*pstore = store;
if (ref && store)
X509_STORE_up_ref(store);
return 1;
}
int ssl_cert_get_cert_store(CERT *c, X509_STORE **pstore, int chain)
{
*pstore = (chain ? c->chain_store : c->verify_store);
return 1;
}
int ssl_get_security_level_bits(const SSL *s, const SSL_CTX *ctx, int *levelp)
{
int level;
static const int minbits_table[5 + 1] = { 0, 80, 112, 128, 192, 256 };
if (ctx != NULL)
level = SSL_CTX_get_security_level(ctx);
else
level = SSL_get_security_level(s);
if (level > 5)
level = 5;
else if (level < 0)
level = 0;
if (levelp != NULL)
*levelp = level;
return minbits_table[level];
}
static int ssl_security_default_callback(const SSL *s, const SSL_CTX *ctx,
int op, int bits, int nid, void *other,
void *ex)
{
int level, minbits, pfs_mask;
const SSL_CONNECTION *sc;
minbits = ssl_get_security_level_bits(s, ctx, &level);
if (level == 0) {
if (op == SSL_SECOP_TMP_DH && bits < 80)
return 0;
return 1;
}
switch (op) {
case SSL_SECOP_CIPHER_SUPPORTED:
case SSL_SECOP_CIPHER_SHARED:
case SSL_SECOP_CIPHER_CHECK:
{
const SSL_CIPHER *c = other;
if (bits < minbits)
return 0;
if (c->algorithm_auth & SSL_aNULL)
return 0;
if (c->algorithm_mac & SSL_MD5)
return 0;
if (minbits > 160 && c->algorithm_mac & SSL_SHA1)
return 0;
pfs_mask = SSL_kDHE | SSL_kECDHE | SSL_kDHEPSK | SSL_kECDHEPSK;
if (level >= 3 && c->min_tls != TLS1_3_VERSION &&
!(c->algorithm_mkey & pfs_mask))
return 0;
break;
}
case SSL_SECOP_VERSION:
if ((sc = SSL_CONNECTION_FROM_CONST_SSL(s)) == NULL)
return 0;
if (!SSL_CONNECTION_IS_DTLS(sc)) {
if (nid <= TLS1_1_VERSION && level > 0)
return 0;
} else {
if (DTLS_VERSION_LT(nid, DTLS1_2_VERSION) && level > 0)
return 0;
}
break;
case SSL_SECOP_COMPRESSION:
if (level >= 2)
return 0;
break;
case SSL_SECOP_TICKET:
if (level >= 3)
return 0;
break;
default:
if (bits < minbits)
return 0;
}
return 1;
}
int ssl_security(const SSL_CONNECTION *s, int op, int bits, int nid, void *other)
{
return s->cert->sec_cb(SSL_CONNECTION_GET_SSL(s), NULL, op, bits, nid,
other, s->cert->sec_ex);
}
int ssl_ctx_security(const SSL_CTX *ctx, int op, int bits, int nid, void *other)
{
return ctx->cert->sec_cb(NULL, ctx, op, bits, nid, other,
ctx->cert->sec_ex);
}
int ssl_cert_lookup_by_nid(int nid, size_t *pidx, SSL_CTX *ctx)
{
size_t i;
for (i = 0; i < OSSL_NELEM(ssl_cert_info); i++) {
if (ssl_cert_info[i].nid == nid) {
*pidx = i;
return 1;
}
}
for (i = 0; i < ctx->sigalg_list_len; i++) {
if (ctx->ssl_cert_info[i].nid == nid) {
*pidx = SSL_PKEY_NUM + i;
return 1;
}
}
return 0;
}
const SSL_CERT_LOOKUP *ssl_cert_lookup_by_pkey(const EVP_PKEY *pk, size_t *pidx, SSL_CTX *ctx)
{
size_t i;
for (i = 0; i < OSSL_NELEM(ssl_cert_info); i++) {
const SSL_CERT_LOOKUP *tmp_lu = &ssl_cert_info[i];
if (EVP_PKEY_is_a(pk, OBJ_nid2sn(tmp_lu->nid))
|| EVP_PKEY_is_a(pk, OBJ_nid2ln(tmp_lu->nid))) {
if (pidx != NULL)
*pidx = i;
return tmp_lu;
}
}
for (i = 0; ctx->sigalg_list_len; i++) {
SSL_CERT_LOOKUP *tmp_lu = &(ctx->ssl_cert_info[i]);
if (EVP_PKEY_is_a(pk, OBJ_nid2sn(tmp_lu->nid))
|| EVP_PKEY_is_a(pk, OBJ_nid2ln(tmp_lu->nid))) {
if (pidx != NULL)
*pidx = SSL_PKEY_NUM + i;
return &ctx->ssl_cert_info[i];
}
}
return NULL;
}
const SSL_CERT_LOOKUP *ssl_cert_lookup_by_idx(size_t idx, SSL_CTX *ctx)
{
if (idx >= (OSSL_NELEM(ssl_cert_info) + ctx->sigalg_list_len))
return NULL;
else if (idx >= (OSSL_NELEM(ssl_cert_info)))
return &(ctx->ssl_cert_info[idx - SSL_PKEY_NUM]);
return &ssl_cert_info[idx];
}
| ssl | openssl/ssl/ssl_cert.c | openssl |
#define OPENSSL_SUPPRESS_DEPRECATED
#include <openssl/err.h>
#include <openssl/rsa.h>
#include <openssl/ssl.h>
int SSL_use_RSAPrivateKey(SSL *ssl, RSA *rsa)
{
EVP_PKEY *pkey;
int ret;
if (rsa == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_NULL_PARAMETER);
return 0;
}
if ((pkey = EVP_PKEY_new()) == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_EVP_LIB);
return 0;
}
RSA_up_ref(rsa);
if (EVP_PKEY_assign_RSA(pkey, rsa) <= 0) {
RSA_free(rsa);
EVP_PKEY_free(pkey);
return 0;
}
ret = SSL_use_PrivateKey(ssl, pkey);
EVP_PKEY_free(pkey);
return ret;
}
int SSL_use_RSAPrivateKey_file(SSL *ssl, const char *file, int type)
{
int j, ret = 0;
BIO *in;
RSA *rsa = NULL;
in = BIO_new(BIO_s_file());
if (in == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_BUF_LIB);
goto end;
}
if (BIO_read_filename(in, file) <= 0) {
ERR_raise(ERR_LIB_SSL, ERR_R_SYS_LIB);
goto end;
}
if (type == SSL_FILETYPE_ASN1) {
j = ERR_R_ASN1_LIB;
rsa = d2i_RSAPrivateKey_bio(in, NULL);
} else if (type == SSL_FILETYPE_PEM) {
j = ERR_R_PEM_LIB;
rsa = PEM_read_bio_RSAPrivateKey(in, NULL,
SSL_get_default_passwd_cb(ssl),
SSL_get_default_passwd_cb_userdata(ssl));
} else {
ERR_raise(ERR_LIB_SSL, SSL_R_BAD_SSL_FILETYPE);
goto end;
}
if (rsa == NULL) {
ERR_raise(ERR_LIB_SSL, j);
goto end;
}
ret = SSL_use_RSAPrivateKey(ssl, rsa);
RSA_free(rsa);
end:
BIO_free(in);
return ret;
}
int SSL_use_RSAPrivateKey_ASN1(SSL *ssl, const unsigned char *d, long len)
{
int ret;
const unsigned char *p;
RSA *rsa;
p = d;
if ((rsa = d2i_RSAPrivateKey(NULL, &p, (long)len)) == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_ASN1_LIB);
return 0;
}
ret = SSL_use_RSAPrivateKey(ssl, rsa);
RSA_free(rsa);
return ret;
}
int SSL_CTX_use_RSAPrivateKey(SSL_CTX *ctx, RSA *rsa)
{
int ret;
EVP_PKEY *pkey;
if (rsa == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_NULL_PARAMETER);
return 0;
}
if ((pkey = EVP_PKEY_new()) == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_EVP_LIB);
return 0;
}
RSA_up_ref(rsa);
if (EVP_PKEY_assign_RSA(pkey, rsa) <= 0) {
RSA_free(rsa);
EVP_PKEY_free(pkey);
return 0;
}
ret = SSL_CTX_use_PrivateKey(ctx, pkey);
EVP_PKEY_free(pkey);
return ret;
}
int SSL_CTX_use_RSAPrivateKey_file(SSL_CTX *ctx, const char *file, int type)
{
int j, ret = 0;
BIO *in;
RSA *rsa = NULL;
in = BIO_new(BIO_s_file());
if (in == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_BUF_LIB);
goto end;
}
if (BIO_read_filename(in, file) <= 0) {
ERR_raise(ERR_LIB_SSL, ERR_R_SYS_LIB);
goto end;
}
if (type == SSL_FILETYPE_ASN1) {
j = ERR_R_ASN1_LIB;
rsa = d2i_RSAPrivateKey_bio(in, NULL);
} else if (type == SSL_FILETYPE_PEM) {
j = ERR_R_PEM_LIB;
rsa = PEM_read_bio_RSAPrivateKey(in, NULL,
SSL_CTX_get_default_passwd_cb(ctx),
SSL_CTX_get_default_passwd_cb_userdata(ctx));
} else {
ERR_raise(ERR_LIB_SSL, SSL_R_BAD_SSL_FILETYPE);
goto end;
}
if (rsa == NULL) {
ERR_raise(ERR_LIB_SSL, j);
goto end;
}
ret = SSL_CTX_use_RSAPrivateKey(ctx, rsa);
RSA_free(rsa);
end:
BIO_free(in);
return ret;
}
int SSL_CTX_use_RSAPrivateKey_ASN1(SSL_CTX *ctx, const unsigned char *d,
long len)
{
int ret;
const unsigned char *p;
RSA *rsa;
p = d;
if ((rsa = d2i_RSAPrivateKey(NULL, &p, (long)len)) == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_ASN1_LIB);
return 0;
}
ret = SSL_CTX_use_RSAPrivateKey(ctx, rsa);
RSA_free(rsa);
return ret;
}
| ssl | openssl/ssl/ssl_rsa_legacy.c | openssl |
#include <stdio.h>
#include "ssl_local.h"
#include "internal/packet.h"
#include <openssl/bio.h>
#include <openssl/objects.h>
#include <openssl/evp.h>
#include <openssl/x509.h>
#include <openssl/x509v3.h>
#include <openssl/pem.h>
static int ssl_set_cert(CERT *c, X509 *x509, SSL_CTX *ctx);
static int ssl_set_pkey(CERT *c, EVP_PKEY *pkey, SSL_CTX *ctx);
#define SYNTHV1CONTEXT (SSL_EXT_TLS1_2_AND_BELOW_ONLY \
| SSL_EXT_CLIENT_HELLO \
| SSL_EXT_TLS1_2_SERVER_HELLO \
| SSL_EXT_IGNORE_ON_RESUMPTION)
#define NAME_PREFIX1 "SERVERINFO FOR "
#define NAME_PREFIX2 "SERVERINFOV2 FOR "
int SSL_use_certificate(SSL *ssl, X509 *x)
{
int rv;
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl);
if (sc == NULL)
return 0;
if (x == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_NULL_PARAMETER);
return 0;
}
rv = ssl_security_cert(sc, NULL, x, 0, 1);
if (rv != 1) {
ERR_raise(ERR_LIB_SSL, rv);
return 0;
}
return ssl_set_cert(sc->cert, x, SSL_CONNECTION_GET_CTX(sc));
}
int SSL_use_certificate_file(SSL *ssl, const char *file, int type)
{
int j;
BIO *in;
int ret = 0;
X509 *cert = NULL, *x = NULL;
in = BIO_new(BIO_s_file());
if (in == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_BUF_LIB);
goto end;
}
if (BIO_read_filename(in, file) <= 0) {
ERR_raise(ERR_LIB_SSL, ERR_R_SYS_LIB);
goto end;
}
x = X509_new_ex(ssl->ctx->libctx, ssl->ctx->propq);
if (x == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_ASN1_LIB);
goto end;
}
if (type == SSL_FILETYPE_ASN1) {
j = ERR_R_ASN1_LIB;
cert = d2i_X509_bio(in, &x);
} else if (type == SSL_FILETYPE_PEM) {
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl);
if (sc == NULL)
goto end;
j = ERR_R_PEM_LIB;
cert = PEM_read_bio_X509(in, &x, sc->default_passwd_callback,
sc->default_passwd_callback_userdata);
} else {
ERR_raise(ERR_LIB_SSL, SSL_R_BAD_SSL_FILETYPE);
goto end;
}
if (cert == NULL) {
ERR_raise(ERR_LIB_SSL, j);
goto end;
}
ret = SSL_use_certificate(ssl, x);
end:
X509_free(x);
BIO_free(in);
return ret;
}
int SSL_use_certificate_ASN1(SSL *ssl, const unsigned char *d, int len)
{
X509 *x;
int ret;
x = X509_new_ex(ssl->ctx->libctx, ssl->ctx->propq);
if (x == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_ASN1_LIB);
return 0;
}
if (d2i_X509(&x, &d, (long)len)== NULL) {
X509_free(x);
ERR_raise(ERR_LIB_SSL, ERR_R_ASN1_LIB);
return 0;
}
ret = SSL_use_certificate(ssl, x);
X509_free(x);
return ret;
}
static int ssl_set_pkey(CERT *c, EVP_PKEY *pkey, SSL_CTX *ctx)
{
size_t i;
if (ssl_cert_lookup_by_pkey(pkey, &i, ctx) == NULL) {
ERR_raise(ERR_LIB_SSL, SSL_R_UNKNOWN_CERTIFICATE_TYPE);
return 0;
}
if (c->pkeys[i].x509 != NULL
&& !X509_check_private_key(c->pkeys[i].x509, pkey))
return 0;
EVP_PKEY_free(c->pkeys[i].privatekey);
EVP_PKEY_up_ref(pkey);
c->pkeys[i].privatekey = pkey;
c->key = &c->pkeys[i];
return 1;
}
int SSL_use_PrivateKey(SSL *ssl, EVP_PKEY *pkey)
{
int ret;
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl);
if (sc == NULL)
return 0;
if (pkey == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_NULL_PARAMETER);
return 0;
}
ret = ssl_set_pkey(sc->cert, pkey, SSL_CONNECTION_GET_CTX(sc));
return ret;
}
int SSL_use_PrivateKey_file(SSL *ssl, const char *file, int type)
{
int j, ret = 0;
BIO *in;
EVP_PKEY *pkey = NULL;
in = BIO_new(BIO_s_file());
if (in == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_BUF_LIB);
goto end;
}
if (BIO_read_filename(in, file) <= 0) {
ERR_raise(ERR_LIB_SSL, ERR_R_SYS_LIB);
goto end;
}
if (type == SSL_FILETYPE_PEM) {
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl);
if (sc == NULL)
goto end;
j = ERR_R_PEM_LIB;
pkey = PEM_read_bio_PrivateKey_ex(in, NULL,
sc->default_passwd_callback,
sc->default_passwd_callback_userdata,
ssl->ctx->libctx,
ssl->ctx->propq);
} else if (type == SSL_FILETYPE_ASN1) {
j = ERR_R_ASN1_LIB;
pkey = d2i_PrivateKey_ex_bio(in, NULL, ssl->ctx->libctx,
ssl->ctx->propq);
} else {
ERR_raise(ERR_LIB_SSL, SSL_R_BAD_SSL_FILETYPE);
goto end;
}
if (pkey == NULL) {
ERR_raise(ERR_LIB_SSL, j);
goto end;
}
ret = SSL_use_PrivateKey(ssl, pkey);
EVP_PKEY_free(pkey);
end:
BIO_free(in);
return ret;
}
int SSL_use_PrivateKey_ASN1(int type, SSL *ssl, const unsigned char *d,
long len)
{
int ret;
const unsigned char *p;
EVP_PKEY *pkey;
p = d;
if ((pkey = d2i_PrivateKey_ex(type, NULL, &p, (long)len, ssl->ctx->libctx,
ssl->ctx->propq)) == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_ASN1_LIB);
return 0;
}
ret = SSL_use_PrivateKey(ssl, pkey);
EVP_PKEY_free(pkey);
return ret;
}
int SSL_CTX_use_certificate(SSL_CTX *ctx, X509 *x)
{
int rv;
if (x == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_NULL_PARAMETER);
return 0;
}
rv = ssl_security_cert(NULL, ctx, x, 0, 1);
if (rv != 1) {
ERR_raise(ERR_LIB_SSL, rv);
return 0;
}
return ssl_set_cert(ctx->cert, x, ctx);
}
static int ssl_set_cert(CERT *c, X509 *x, SSL_CTX *ctx)
{
EVP_PKEY *pkey;
size_t i;
pkey = X509_get0_pubkey(x);
if (pkey == NULL) {
ERR_raise(ERR_LIB_SSL, SSL_R_X509_LIB);
return 0;
}
if (ssl_cert_lookup_by_pkey(pkey, &i, ctx) == NULL) {
ERR_raise(ERR_LIB_SSL, SSL_R_UNKNOWN_CERTIFICATE_TYPE);
return 0;
}
if (i == SSL_PKEY_ECC && !EVP_PKEY_can_sign(pkey)) {
ERR_raise(ERR_LIB_SSL, SSL_R_ECC_CERT_NOT_FOR_SIGNING);
return 0;
}
if (c->pkeys[i].privatekey != NULL) {
EVP_PKEY_copy_parameters(pkey, c->pkeys[i].privatekey);
ERR_clear_error();
if (!X509_check_private_key(x, c->pkeys[i].privatekey)) {
EVP_PKEY_free(c->pkeys[i].privatekey);
c->pkeys[i].privatekey = NULL;
ERR_clear_error();
}
}
X509_free(c->pkeys[i].x509);
X509_up_ref(x);
c->pkeys[i].x509 = x;
c->key = &(c->pkeys[i]);
return 1;
}
int SSL_CTX_use_certificate_file(SSL_CTX *ctx, const char *file, int type)
{
int j = SSL_R_BAD_VALUE;
BIO *in;
int ret = 0;
X509 *x = NULL, *cert = NULL;
in = BIO_new(BIO_s_file());
if (in == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_BUF_LIB);
goto end;
}
if (BIO_read_filename(in, file) <= 0) {
ERR_raise(ERR_LIB_SSL, ERR_R_SYS_LIB);
goto end;
}
x = X509_new_ex(ctx->libctx, ctx->propq);
if (x == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_ASN1_LIB);
goto end;
}
if (type == SSL_FILETYPE_ASN1) {
j = ERR_R_ASN1_LIB;
cert = d2i_X509_bio(in, &x);
} else if (type == SSL_FILETYPE_PEM) {
j = ERR_R_PEM_LIB;
cert = PEM_read_bio_X509(in, &x, ctx->default_passwd_callback,
ctx->default_passwd_callback_userdata);
} else {
ERR_raise(ERR_LIB_SSL, SSL_R_BAD_SSL_FILETYPE);
goto end;
}
if (cert == NULL) {
ERR_raise(ERR_LIB_SSL, j);
goto end;
}
ret = SSL_CTX_use_certificate(ctx, x);
end:
X509_free(x);
BIO_free(in);
return ret;
}
int SSL_CTX_use_certificate_ASN1(SSL_CTX *ctx, int len, const unsigned char *d)
{
X509 *x;
int ret;
x = X509_new_ex(ctx->libctx, ctx->propq);
if (x == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_ASN1_LIB);
return 0;
}
if (d2i_X509(&x, &d, (long)len) == NULL) {
X509_free(x);
ERR_raise(ERR_LIB_SSL, ERR_R_ASN1_LIB);
return 0;
}
ret = SSL_CTX_use_certificate(ctx, x);
X509_free(x);
return ret;
}
int SSL_CTX_use_PrivateKey(SSL_CTX *ctx, EVP_PKEY *pkey)
{
if (pkey == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_NULL_PARAMETER);
return 0;
}
return ssl_set_pkey(ctx->cert, pkey, ctx);
}
int SSL_CTX_use_PrivateKey_file(SSL_CTX *ctx, const char *file, int type)
{
int j, ret = 0;
BIO *in;
EVP_PKEY *pkey = NULL;
in = BIO_new(BIO_s_file());
if (in == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_BUF_LIB);
goto end;
}
if (BIO_read_filename(in, file) <= 0) {
ERR_raise(ERR_LIB_SSL, ERR_R_SYS_LIB);
goto end;
}
if (type == SSL_FILETYPE_PEM) {
j = ERR_R_PEM_LIB;
pkey = PEM_read_bio_PrivateKey_ex(in, NULL,
ctx->default_passwd_callback,
ctx->default_passwd_callback_userdata,
ctx->libctx, ctx->propq);
} else if (type == SSL_FILETYPE_ASN1) {
j = ERR_R_ASN1_LIB;
pkey = d2i_PrivateKey_ex_bio(in, NULL, ctx->libctx, ctx->propq);
} else {
ERR_raise(ERR_LIB_SSL, SSL_R_BAD_SSL_FILETYPE);
goto end;
}
if (pkey == NULL) {
ERR_raise(ERR_LIB_SSL, j);
goto end;
}
ret = SSL_CTX_use_PrivateKey(ctx, pkey);
EVP_PKEY_free(pkey);
end:
BIO_free(in);
return ret;
}
int SSL_CTX_use_PrivateKey_ASN1(int type, SSL_CTX *ctx,
const unsigned char *d, long len)
{
int ret;
const unsigned char *p;
EVP_PKEY *pkey;
p = d;
if ((pkey = d2i_PrivateKey_ex(type, NULL, &p, (long)len, ctx->libctx,
ctx->propq)) == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_ASN1_LIB);
return 0;
}
ret = SSL_CTX_use_PrivateKey(ctx, pkey);
EVP_PKEY_free(pkey);
return ret;
}
static int use_certificate_chain_file(SSL_CTX *ctx, SSL *ssl, const char *file)
{
BIO *in;
int ret = 0;
X509 *x = NULL;
pem_password_cb *passwd_callback;
void *passwd_callback_userdata;
SSL_CTX *real_ctx = (ssl == NULL) ? ctx : ssl->ctx;
if (ctx == NULL && ssl == NULL)
return 0;
ERR_clear_error();
if (ctx != NULL) {
passwd_callback = ctx->default_passwd_callback;
passwd_callback_userdata = ctx->default_passwd_callback_userdata;
} else {
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl);
if (sc == NULL)
return 0;
passwd_callback = sc->default_passwd_callback;
passwd_callback_userdata = sc->default_passwd_callback_userdata;
}
in = BIO_new(BIO_s_file());
if (in == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_BUF_LIB);
goto end;
}
if (BIO_read_filename(in, file) <= 0) {
ERR_raise(ERR_LIB_SSL, ERR_R_SYS_LIB);
goto end;
}
x = X509_new_ex(real_ctx->libctx, real_ctx->propq);
if (x == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_ASN1_LIB);
goto end;
}
if (PEM_read_bio_X509_AUX(in, &x, passwd_callback,
passwd_callback_userdata) == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_PEM_LIB);
goto end;
}
if (ctx)
ret = SSL_CTX_use_certificate(ctx, x);
else
ret = SSL_use_certificate(ssl, x);
if (ERR_peek_error() != 0)
ret = 0;
if (ret) {
X509 *ca;
int r;
unsigned long err;
if (ctx)
r = SSL_CTX_clear_chain_certs(ctx);
else
r = SSL_clear_chain_certs(ssl);
if (r == 0) {
ret = 0;
goto end;
}
while (1) {
ca = X509_new_ex(real_ctx->libctx, real_ctx->propq);
if (ca == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_ASN1_LIB);
goto end;
}
if (PEM_read_bio_X509(in, &ca, passwd_callback,
passwd_callback_userdata) != NULL) {
if (ctx)
r = SSL_CTX_add0_chain_cert(ctx, ca);
else
r = SSL_add0_chain_cert(ssl, ca);
if (!r) {
X509_free(ca);
ret = 0;
goto end;
}
} else {
X509_free(ca);
break;
}
}
err = ERR_peek_last_error();
if (ERR_GET_LIB(err) == ERR_LIB_PEM
&& ERR_GET_REASON(err) == PEM_R_NO_START_LINE)
ERR_clear_error();
else
ret = 0;
}
end:
X509_free(x);
BIO_free(in);
return ret;
}
int SSL_CTX_use_certificate_chain_file(SSL_CTX *ctx, const char *file)
{
return use_certificate_chain_file(ctx, NULL, file);
}
int SSL_use_certificate_chain_file(SSL *ssl, const char *file)
{
return use_certificate_chain_file(NULL, ssl, file);
}
static int serverinfo_find_extension(const unsigned char *serverinfo,
size_t serverinfo_length,
unsigned int extension_type,
const unsigned char **extension_data,
size_t *extension_length)
{
PACKET pkt, data;
*extension_data = NULL;
*extension_length = 0;
if (serverinfo == NULL || serverinfo_length == 0)
return -1;
if (!PACKET_buf_init(&pkt, serverinfo, serverinfo_length))
return -1;
for (;;) {
unsigned int type = 0;
unsigned long context = 0;
if (PACKET_remaining(&pkt) == 0)
return 0;
if (!PACKET_get_net_4(&pkt, &context)
|| !PACKET_get_net_2(&pkt, &type)
|| !PACKET_get_length_prefixed_2(&pkt, &data))
return -1;
if (type == extension_type) {
*extension_data = PACKET_data(&data);
*extension_length = PACKET_remaining(&data);
return 1;
}
}
}
static int serverinfoex_srv_parse_cb(SSL *s, unsigned int ext_type,
unsigned int context,
const unsigned char *in,
size_t inlen, X509 *x, size_t chainidx,
int *al, void *arg)
{
if (inlen != 0) {
*al = SSL_AD_DECODE_ERROR;
return 0;
}
return 1;
}
static int serverinfo_srv_parse_cb(SSL *s, unsigned int ext_type,
const unsigned char *in,
size_t inlen, int *al, void *arg)
{
return serverinfoex_srv_parse_cb(s, ext_type, 0, in, inlen, NULL, 0, al,
arg);
}
static int serverinfoex_srv_add_cb(SSL *s, unsigned int ext_type,
unsigned int context,
const unsigned char **out,
size_t *outlen, X509 *x, size_t chainidx,
int *al, void *arg)
{
const unsigned char *serverinfo = NULL;
size_t serverinfo_length = 0;
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL) {
*al = SSL_AD_INTERNAL_ERROR;
return -1;
}
if ((context & SSL_EXT_TLS1_3_CERTIFICATE) != 0 && chainidx > 0)
return 0;
if ((ssl_get_server_cert_serverinfo(sc, &serverinfo,
&serverinfo_length)) != 0) {
int retval = serverinfo_find_extension(serverinfo, serverinfo_length,
ext_type, out, outlen);
if (retval == -1) {
*al = SSL_AD_INTERNAL_ERROR;
return -1;
}
if (retval == 0)
return 0;
return 1;
}
return 0;
}
static int serverinfo_srv_add_cb(SSL *s, unsigned int ext_type,
const unsigned char **out, size_t *outlen,
int *al, void *arg)
{
return serverinfoex_srv_add_cb(s, ext_type, 0, out, outlen, NULL, 0, al,
arg);
}
static int serverinfo_process_buffer(unsigned int version,
const unsigned char *serverinfo,
size_t serverinfo_length, SSL_CTX *ctx)
{
PACKET pkt;
if (serverinfo == NULL || serverinfo_length == 0)
return 0;
if (version != SSL_SERVERINFOV1 && version != SSL_SERVERINFOV2)
return 0;
if (!PACKET_buf_init(&pkt, serverinfo, serverinfo_length))
return 0;
while (PACKET_remaining(&pkt)) {
unsigned long context = 0;
unsigned int ext_type = 0;
PACKET data;
if ((version == SSL_SERVERINFOV2 && !PACKET_get_net_4(&pkt, &context))
|| !PACKET_get_net_2(&pkt, &ext_type)
|| !PACKET_get_length_prefixed_2(&pkt, &data))
return 0;
if (ctx == NULL)
continue;
if (version == SSL_SERVERINFOV1 || context == SYNTHV1CONTEXT) {
if (!SSL_CTX_add_server_custom_ext(ctx, ext_type,
serverinfo_srv_add_cb,
NULL, NULL,
serverinfo_srv_parse_cb,
NULL))
return 0;
} else {
if (!SSL_CTX_add_custom_ext(ctx, ext_type, context,
serverinfoex_srv_add_cb,
NULL, NULL,
serverinfoex_srv_parse_cb,
NULL))
return 0;
}
}
return 1;
}
static size_t extension_contextoff(unsigned int version)
{
return version == SSL_SERVERINFOV1 ? 4 : 0;
}
static size_t extension_append_length(unsigned int version, size_t extension_length)
{
return extension_length + extension_contextoff(version);
}
static void extension_append(unsigned int version,
const unsigned char *extension,
const size_t extension_length,
unsigned char *serverinfo)
{
const size_t contextoff = extension_contextoff(version);
if (contextoff > 0) {
serverinfo[0] = 0;
serverinfo[1] = 0;
serverinfo[2] = (SYNTHV1CONTEXT >> 8) & 0xff;
serverinfo[3] = SYNTHV1CONTEXT & 0xff;
}
memcpy(serverinfo + contextoff, extension, extension_length);
}
int SSL_CTX_use_serverinfo_ex(SSL_CTX *ctx, unsigned int version,
const unsigned char *serverinfo,
size_t serverinfo_length)
{
unsigned char *new_serverinfo = NULL;
if (ctx == NULL || serverinfo == NULL || serverinfo_length == 0) {
ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_NULL_PARAMETER);
return 0;
}
if (version == SSL_SERVERINFOV1) {
const size_t sinfo_length = extension_append_length(SSL_SERVERINFOV1,
serverinfo_length);
unsigned char *sinfo;
int ret;
sinfo = OPENSSL_malloc(sinfo_length);
if (sinfo == NULL)
return 0;
extension_append(SSL_SERVERINFOV1, serverinfo, serverinfo_length, sinfo);
ret = SSL_CTX_use_serverinfo_ex(ctx, SSL_SERVERINFOV2, sinfo,
sinfo_length);
OPENSSL_free(sinfo);
return ret;
}
if (!serverinfo_process_buffer(version, serverinfo, serverinfo_length,
NULL)) {
ERR_raise(ERR_LIB_SSL, SSL_R_INVALID_SERVERINFO_DATA);
return 0;
}
if (ctx->cert->key == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
return 0;
}
new_serverinfo = OPENSSL_realloc(ctx->cert->key->serverinfo,
serverinfo_length);
if (new_serverinfo == NULL)
return 0;
ctx->cert->key->serverinfo = new_serverinfo;
memcpy(ctx->cert->key->serverinfo, serverinfo, serverinfo_length);
ctx->cert->key->serverinfo_length = serverinfo_length;
if (!serverinfo_process_buffer(version, serverinfo, serverinfo_length,
ctx)) {
ERR_raise(ERR_LIB_SSL, SSL_R_INVALID_SERVERINFO_DATA);
return 0;
}
return 1;
}
int SSL_CTX_use_serverinfo(SSL_CTX *ctx, const unsigned char *serverinfo,
size_t serverinfo_length)
{
return SSL_CTX_use_serverinfo_ex(ctx, SSL_SERVERINFOV1, serverinfo,
serverinfo_length);
}
int SSL_CTX_use_serverinfo_file(SSL_CTX *ctx, const char *file)
{
unsigned char *serverinfo = NULL;
unsigned char *tmp;
size_t serverinfo_length = 0;
unsigned char *extension = 0;
long extension_length = 0;
char *name = NULL;
char *header = NULL;
unsigned int name_len;
int ret = 0;
BIO *bin = NULL;
size_t num_extensions = 0;
if (ctx == NULL || file == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_NULL_PARAMETER);
goto end;
}
bin = BIO_new(BIO_s_file());
if (bin == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_BUF_LIB);
goto end;
}
if (BIO_read_filename(bin, file) <= 0) {
ERR_raise(ERR_LIB_SSL, ERR_R_SYS_LIB);
goto end;
}
for (num_extensions = 0;; num_extensions++) {
unsigned int version;
size_t append_length;
if (PEM_read_bio(bin, &name, &header, &extension, &extension_length)
== 0) {
if (num_extensions == 0) {
ERR_raise(ERR_LIB_SSL, SSL_R_NO_PEM_EXTENSIONS);
goto end;
} else
break;
}
name_len = strlen(name);
if (name_len < sizeof(NAME_PREFIX1) - 1) {
ERR_raise(ERR_LIB_SSL, SSL_R_PEM_NAME_TOO_SHORT);
goto end;
}
if (HAS_PREFIX(name, NAME_PREFIX1)) {
version = SSL_SERVERINFOV1;
} else {
if (name_len < sizeof(NAME_PREFIX2) - 1) {
ERR_raise(ERR_LIB_SSL, SSL_R_PEM_NAME_TOO_SHORT);
goto end;
}
if (!HAS_PREFIX(name, NAME_PREFIX2)) {
ERR_raise(ERR_LIB_SSL, SSL_R_PEM_NAME_BAD_PREFIX);
goto end;
}
version = SSL_SERVERINFOV2;
}
if (version == SSL_SERVERINFOV1) {
if (extension_length < 4
|| (extension[2] << 8) + extension[3]
!= extension_length - 4) {
ERR_raise(ERR_LIB_SSL, SSL_R_BAD_DATA);
goto end;
}
} else {
if (extension_length < 8
|| (extension[6] << 8) + extension[7]
!= extension_length - 8) {
ERR_raise(ERR_LIB_SSL, SSL_R_BAD_DATA);
goto end;
}
}
append_length = extension_append_length(version, extension_length);
tmp = OPENSSL_realloc(serverinfo, serverinfo_length + append_length);
if (tmp == NULL)
goto end;
serverinfo = tmp;
extension_append(version, extension, extension_length,
serverinfo + serverinfo_length);
serverinfo_length += append_length;
OPENSSL_free(name);
name = NULL;
OPENSSL_free(header);
header = NULL;
OPENSSL_free(extension);
extension = NULL;
}
ret = SSL_CTX_use_serverinfo_ex(ctx, SSL_SERVERINFOV2, serverinfo,
serverinfo_length);
end:
OPENSSL_free(name);
OPENSSL_free(header);
OPENSSL_free(extension);
OPENSSL_free(serverinfo);
BIO_free(bin);
return ret;
}
static int ssl_set_cert_and_key(SSL *ssl, SSL_CTX *ctx, X509 *x509, EVP_PKEY *privatekey,
STACK_OF(X509) *chain, int override)
{
int ret = 0;
size_t i;
int j;
int rv;
CERT *c;
STACK_OF(X509) *dup_chain = NULL;
EVP_PKEY *pubkey = NULL;
SSL_CONNECTION *sc = NULL;
if (ctx == NULL &&
(sc = SSL_CONNECTION_FROM_SSL(ssl)) == NULL)
return 0;
c = sc != NULL ? sc->cert : ctx->cert;
rv = ssl_security_cert(sc, ctx, x509, 0, 1);
if (rv != 1) {
ERR_raise(ERR_LIB_SSL, rv);
goto out;
}
for (j = 0; j < sk_X509_num(chain); j++) {
rv = ssl_security_cert(sc, ctx, sk_X509_value(chain, j), 0, 0);
if (rv != 1) {
ERR_raise(ERR_LIB_SSL, rv);
goto out;
}
}
pubkey = X509_get_pubkey(x509);
if (pubkey == NULL)
goto out;
if (privatekey == NULL) {
privatekey = pubkey;
} else {
if (EVP_PKEY_missing_parameters(privatekey)) {
if (EVP_PKEY_missing_parameters(pubkey)) {
ERR_raise(ERR_LIB_SSL, SSL_R_MISSING_PARAMETERS);
goto out;
} else {
if (!EVP_PKEY_copy_parameters(privatekey, pubkey)) {
ERR_raise(ERR_LIB_SSL, SSL_R_COPY_PARAMETERS_FAILED);
goto out;
}
}
} else if (EVP_PKEY_missing_parameters(pubkey)) {
if (!EVP_PKEY_copy_parameters(pubkey, privatekey)) {
ERR_raise(ERR_LIB_SSL, SSL_R_COPY_PARAMETERS_FAILED);
goto out;
}
}
if (EVP_PKEY_eq(pubkey, privatekey) != 1) {
ERR_raise(ERR_LIB_SSL, SSL_R_PRIVATE_KEY_MISMATCH);
goto out;
}
}
if (ssl_cert_lookup_by_pkey(pubkey, &i, ctx) == NULL) {
ERR_raise(ERR_LIB_SSL, SSL_R_UNKNOWN_CERTIFICATE_TYPE);
goto out;
}
if (!override && (c->pkeys[i].x509 != NULL
|| c->pkeys[i].privatekey != NULL
|| c->pkeys[i].chain != NULL)) {
ERR_raise(ERR_LIB_SSL, SSL_R_NOT_REPLACING_CERTIFICATE);
goto out;
}
if (chain != NULL) {
dup_chain = X509_chain_up_ref(chain);
if (dup_chain == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_X509_LIB);
goto out;
}
}
OSSL_STACK_OF_X509_free(c->pkeys[i].chain);
c->pkeys[i].chain = dup_chain;
X509_free(c->pkeys[i].x509);
X509_up_ref(x509);
c->pkeys[i].x509 = x509;
EVP_PKEY_free(c->pkeys[i].privatekey);
EVP_PKEY_up_ref(privatekey);
c->pkeys[i].privatekey = privatekey;
c->key = &(c->pkeys[i]);
ret = 1;
out:
EVP_PKEY_free(pubkey);
return ret;
}
int SSL_use_cert_and_key(SSL *ssl, X509 *x509, EVP_PKEY *privatekey,
STACK_OF(X509) *chain, int override)
{
return ssl_set_cert_and_key(ssl, NULL, x509, privatekey, chain, override);
}
int SSL_CTX_use_cert_and_key(SSL_CTX *ctx, X509 *x509, EVP_PKEY *privatekey,
STACK_OF(X509) *chain, int override)
{
return ssl_set_cert_and_key(NULL, ctx, x509, privatekey, chain, override);
}
| ssl | openssl/ssl/ssl_rsa.c | openssl |
#if defined(__TANDEM) && defined(_SPT_MODEL_)
# include <spthread.h>
# include <spt_extensions.h>
#endif
#include <stdio.h>
#include <openssl/rand.h>
#include <openssl/engine.h>
#include "internal/refcount.h"
#include "internal/cryptlib.h"
#include "ssl_local.h"
#include "statem/statem_local.h"
static void SSL_SESSION_list_remove(SSL_CTX *ctx, SSL_SESSION *s);
static void SSL_SESSION_list_add(SSL_CTX *ctx, SSL_SESSION *s);
static int remove_session_lock(SSL_CTX *ctx, SSL_SESSION *c, int lck);
DEFINE_STACK_OF(SSL_SESSION)
__owur static ossl_inline int sess_timedout(OSSL_TIME t, SSL_SESSION *ss)
{
return ossl_time_compare(t, ss->calc_timeout) > 0;
}
__owur static ossl_inline int timeoutcmp(SSL_SESSION *a, SSL_SESSION *b)
{
return ossl_time_compare(a->calc_timeout, b->calc_timeout);
}
void ssl_session_calculate_timeout(SSL_SESSION *ss)
{
ss->calc_timeout = ossl_time_add(ss->time, ss->timeout);
}
SSL_SESSION *SSL_get_session(const SSL *ssl)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(ssl);
if (sc == NULL)
return NULL;
return sc->session;
}
SSL_SESSION *SSL_get1_session(SSL *ssl)
{
SSL_SESSION *sess;
if (!CRYPTO_THREAD_read_lock(ssl->lock))
return NULL;
sess = SSL_get_session(ssl);
if (sess != NULL)
SSL_SESSION_up_ref(sess);
CRYPTO_THREAD_unlock(ssl->lock);
return sess;
}
int SSL_SESSION_set_ex_data(SSL_SESSION *s, int idx, void *arg)
{
return CRYPTO_set_ex_data(&s->ex_data, idx, arg);
}
void *SSL_SESSION_get_ex_data(const SSL_SESSION *s, int idx)
{
return CRYPTO_get_ex_data(&s->ex_data, idx);
}
SSL_SESSION *SSL_SESSION_new(void)
{
SSL_SESSION *ss;
if (!OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS, NULL))
return NULL;
ss = OPENSSL_zalloc(sizeof(*ss));
if (ss == NULL)
return NULL;
ss->verify_result = 1;
ss->timeout = ossl_seconds2time(60 * 5 + 4);
ss->time = ossl_time_now();
ssl_session_calculate_timeout(ss);
if (!CRYPTO_NEW_REF(&ss->references, 1)) {
OPENSSL_free(ss);
return NULL;
}
if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_SESSION, ss, &ss->ex_data)) {
CRYPTO_FREE_REF(&ss->references);
OPENSSL_free(ss);
return NULL;
}
return ss;
}
SSL_SESSION *SSL_SESSION_dup(const SSL_SESSION *src)
{
return ssl_session_dup(src, 1);
}
SSL_SESSION *ssl_session_dup(const SSL_SESSION *src, int ticket)
{
SSL_SESSION *dest;
dest = OPENSSL_malloc(sizeof(*dest));
if (dest == NULL)
return NULL;
memcpy(dest, src, sizeof(*dest));
#ifndef OPENSSL_NO_PSK
dest->psk_identity_hint = NULL;
dest->psk_identity = NULL;
#endif
dest->ext.hostname = NULL;
dest->ext.tick = NULL;
dest->ext.alpn_selected = NULL;
#ifndef OPENSSL_NO_SRP
dest->srp_username = NULL;
#endif
dest->peer_chain = NULL;
dest->peer = NULL;
dest->peer_rpk = NULL;
dest->ticket_appdata = NULL;
memset(&dest->ex_data, 0, sizeof(dest->ex_data));
dest->prev = NULL;
dest->next = NULL;
dest->owner = NULL;
if (!CRYPTO_NEW_REF(&dest->references, 1)) {
OPENSSL_free(dest);
return NULL;
}
if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_SSL_SESSION, dest, &dest->ex_data)) {
ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB);
goto err;
}
if (src->peer != NULL) {
if (!X509_up_ref(src->peer)) {
ERR_raise(ERR_LIB_SSL, ERR_R_X509_LIB);
goto err;
}
dest->peer = src->peer;
}
if (src->peer_chain != NULL) {
dest->peer_chain = X509_chain_up_ref(src->peer_chain);
if (dest->peer_chain == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_X509_LIB);
goto err;
}
}
if (src->peer_rpk != NULL) {
if (!EVP_PKEY_up_ref(src->peer_rpk))
goto err;
dest->peer_rpk = src->peer_rpk;
}
#ifndef OPENSSL_NO_PSK
if (src->psk_identity_hint) {
dest->psk_identity_hint = OPENSSL_strdup(src->psk_identity_hint);
if (dest->psk_identity_hint == NULL)
goto err;
}
if (src->psk_identity) {
dest->psk_identity = OPENSSL_strdup(src->psk_identity);
if (dest->psk_identity == NULL)
goto err;
}
#endif
if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_SSL_SESSION,
&dest->ex_data, &src->ex_data)) {
ERR_raise(ERR_LIB_SSL, ERR_R_CRYPTO_LIB);
goto err;
}
if (src->ext.hostname) {
dest->ext.hostname = OPENSSL_strdup(src->ext.hostname);
if (dest->ext.hostname == NULL)
goto err;
}
if (ticket != 0 && src->ext.tick != NULL) {
dest->ext.tick =
OPENSSL_memdup(src->ext.tick, src->ext.ticklen);
if (dest->ext.tick == NULL)
goto err;
} else {
dest->ext.tick_lifetime_hint = 0;
dest->ext.ticklen = 0;
}
if (src->ext.alpn_selected != NULL) {
dest->ext.alpn_selected = OPENSSL_memdup(src->ext.alpn_selected,
src->ext.alpn_selected_len);
if (dest->ext.alpn_selected == NULL)
goto err;
}
#ifndef OPENSSL_NO_SRP
if (src->srp_username) {
dest->srp_username = OPENSSL_strdup(src->srp_username);
if (dest->srp_username == NULL)
goto err;
}
#endif
if (src->ticket_appdata != NULL) {
dest->ticket_appdata =
OPENSSL_memdup(src->ticket_appdata, src->ticket_appdata_len);
if (dest->ticket_appdata == NULL)
goto err;
}
return dest;
err:
SSL_SESSION_free(dest);
return NULL;
}
const unsigned char *SSL_SESSION_get_id(const SSL_SESSION *s, unsigned int *len)
{
if (len)
*len = (unsigned int)s->session_id_length;
return s->session_id;
}
const unsigned char *SSL_SESSION_get0_id_context(const SSL_SESSION *s,
unsigned int *len)
{
if (len != NULL)
*len = (unsigned int)s->sid_ctx_length;
return s->sid_ctx;
}
unsigned int SSL_SESSION_get_compress_id(const SSL_SESSION *s)
{
return s->compress_meth;
}
#define MAX_SESS_ID_ATTEMPTS 10
static int def_generate_session_id(SSL *ssl, unsigned char *id,
unsigned int *id_len)
{
unsigned int retry = 0;
do {
if (RAND_bytes_ex(ssl->ctx->libctx, id, *id_len, 0) <= 0)
return 0;
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
if (retry > 0) {
id[0]++;
}
#endif
} while (SSL_has_matching_session_id(ssl, id, *id_len) &&
(++retry < MAX_SESS_ID_ATTEMPTS)) ;
if (retry < MAX_SESS_ID_ATTEMPTS)
return 1;
return 0;
}
int ssl_generate_session_id(SSL_CONNECTION *s, SSL_SESSION *ss)
{
unsigned int tmp;
GEN_SESSION_CB cb = def_generate_session_id;
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
switch (s->version) {
case SSL3_VERSION:
case TLS1_VERSION:
case TLS1_1_VERSION:
case TLS1_2_VERSION:
case TLS1_3_VERSION:
case DTLS1_BAD_VER:
case DTLS1_VERSION:
case DTLS1_2_VERSION:
ss->session_id_length = SSL3_SSL_SESSION_ID_LENGTH;
break;
default:
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_UNSUPPORTED_SSL_VERSION);
return 0;
}
if (s->ext.ticket_expected) {
ss->session_id_length = 0;
return 1;
}
if (!CRYPTO_THREAD_read_lock(SSL_CONNECTION_GET_SSL(s)->lock))
return 0;
if (!CRYPTO_THREAD_read_lock(s->session_ctx->lock)) {
CRYPTO_THREAD_unlock(ssl->lock);
SSLfatal(s, SSL_AD_INTERNAL_ERROR,
SSL_R_SESSION_ID_CONTEXT_UNINITIALIZED);
return 0;
}
if (s->generate_session_id)
cb = s->generate_session_id;
else if (s->session_ctx->generate_session_id)
cb = s->session_ctx->generate_session_id;
CRYPTO_THREAD_unlock(s->session_ctx->lock);
CRYPTO_THREAD_unlock(ssl->lock);
memset(ss->session_id, 0, ss->session_id_length);
tmp = (int)ss->session_id_length;
if (!cb(ssl, ss->session_id, &tmp)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR,
SSL_R_SSL_SESSION_ID_CALLBACK_FAILED);
return 0;
}
if (tmp == 0 || tmp > ss->session_id_length) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR,
SSL_R_SSL_SESSION_ID_HAS_BAD_LENGTH);
return 0;
}
ss->session_id_length = tmp;
if (SSL_has_matching_session_id(ssl, ss->session_id,
(unsigned int)ss->session_id_length)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_SSL_SESSION_ID_CONFLICT);
return 0;
}
return 1;
}
int ssl_get_new_session(SSL_CONNECTION *s, int session)
{
SSL_SESSION *ss = NULL;
if ((ss = SSL_SESSION_new()) == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_SSL_LIB);
return 0;
}
if (ossl_time_is_zero(s->session_ctx->session_timeout))
ss->timeout = SSL_CONNECTION_GET_SSL(s)->method->get_timeout();
else
ss->timeout = s->session_ctx->session_timeout;
ssl_session_calculate_timeout(ss);
SSL_SESSION_free(s->session);
s->session = NULL;
if (session) {
if (SSL_CONNECTION_IS_TLS13(s)) {
ss->session_id_length = 0;
} else if (!ssl_generate_session_id(s, ss)) {
SSL_SESSION_free(ss);
return 0;
}
} else {
ss->session_id_length = 0;
}
if (s->sid_ctx_length > sizeof(ss->sid_ctx)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
SSL_SESSION_free(ss);
return 0;
}
memcpy(ss->sid_ctx, s->sid_ctx, s->sid_ctx_length);
ss->sid_ctx_length = s->sid_ctx_length;
s->session = ss;
ss->ssl_version = s->version;
ss->verify_result = X509_V_OK;
if (s->s3.flags & TLS1_FLAGS_RECEIVED_EXTMS)
ss->flags |= SSL_SESS_FLAG_EXTMS;
return 1;
}
SSL_SESSION *lookup_sess_in_cache(SSL_CONNECTION *s,
const unsigned char *sess_id,
size_t sess_id_len)
{
SSL_SESSION *ret = NULL;
if ((s->session_ctx->session_cache_mode
& SSL_SESS_CACHE_NO_INTERNAL_LOOKUP) == 0) {
SSL_SESSION data;
data.ssl_version = s->version;
if (!ossl_assert(sess_id_len <= SSL_MAX_SSL_SESSION_ID_LENGTH))
return NULL;
memcpy(data.session_id, sess_id, sess_id_len);
data.session_id_length = sess_id_len;
if (!CRYPTO_THREAD_read_lock(s->session_ctx->lock))
return NULL;
ret = lh_SSL_SESSION_retrieve(s->session_ctx->sessions, &data);
if (ret != NULL) {
SSL_SESSION_up_ref(ret);
}
CRYPTO_THREAD_unlock(s->session_ctx->lock);
if (ret == NULL)
ssl_tsan_counter(s->session_ctx, &s->session_ctx->stats.sess_miss);
}
if (ret == NULL && s->session_ctx->get_session_cb != NULL) {
int copy = 1;
ret = s->session_ctx->get_session_cb(SSL_CONNECTION_GET_SSL(s),
sess_id, sess_id_len, ©);
if (ret != NULL) {
ssl_tsan_counter(s->session_ctx,
&s->session_ctx->stats.sess_cb_hit);
if (copy)
SSL_SESSION_up_ref(ret);
if ((s->session_ctx->session_cache_mode &
SSL_SESS_CACHE_NO_INTERNAL_STORE) == 0) {
(void)SSL_CTX_add_session(s->session_ctx, ret);
}
}
}
return ret;
}
int ssl_get_prev_session(SSL_CONNECTION *s, CLIENTHELLO_MSG *hello)
{
SSL_SESSION *ret = NULL;
int fatal = 0;
int try_session_cache = 0;
SSL_TICKET_STATUS r;
if (SSL_CONNECTION_IS_TLS13(s)) {
s->ext.ticket_expected = 1;
if (!tls_parse_extension(s, TLSEXT_IDX_psk_kex_modes,
SSL_EXT_CLIENT_HELLO, hello->pre_proc_exts,
NULL, 0)
|| !tls_parse_extension(s, TLSEXT_IDX_psk, SSL_EXT_CLIENT_HELLO,
hello->pre_proc_exts, NULL, 0))
return -1;
ret = s->session;
} else {
r = tls_get_ticket_from_client(s, hello, &ret);
switch (r) {
case SSL_TICKET_FATAL_ERR_MALLOC:
case SSL_TICKET_FATAL_ERR_OTHER:
fatal = 1;
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
case SSL_TICKET_NONE:
case SSL_TICKET_EMPTY:
if (hello->session_id_len > 0) {
try_session_cache = 1;
ret = lookup_sess_in_cache(s, hello->session_id,
hello->session_id_len);
}
break;
case SSL_TICKET_NO_DECRYPT:
case SSL_TICKET_SUCCESS:
case SSL_TICKET_SUCCESS_RENEW:
break;
}
}
if (ret == NULL)
goto err;
if (ret->ssl_version != s->version)
goto err;
if (ret->sid_ctx_length != s->sid_ctx_length
|| memcmp(ret->sid_ctx, s->sid_ctx, ret->sid_ctx_length)) {
goto err;
}
if ((s->verify_mode & SSL_VERIFY_PEER) && s->sid_ctx_length == 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR,
SSL_R_SESSION_ID_CONTEXT_UNINITIALIZED);
fatal = 1;
goto err;
}
if (sess_timedout(ossl_time_now(), ret)) {
ssl_tsan_counter(s->session_ctx, &s->session_ctx->stats.sess_timeout);
if (try_session_cache) {
SSL_CTX_remove_session(s->session_ctx, ret);
}
goto err;
}
if (ret->flags & SSL_SESS_FLAG_EXTMS) {
if (!(s->s3.flags & TLS1_FLAGS_RECEIVED_EXTMS)) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_INCONSISTENT_EXTMS);
fatal = 1;
goto err;
}
} else if (s->s3.flags & TLS1_FLAGS_RECEIVED_EXTMS) {
goto err;
}
if (!SSL_CONNECTION_IS_TLS13(s)) {
SSL_SESSION_free(s->session);
s->session = ret;
}
ssl_tsan_counter(s->session_ctx, &s->session_ctx->stats.sess_hit);
s->verify_result = s->session->verify_result;
return 1;
err:
if (ret != NULL) {
SSL_SESSION_free(ret);
if (SSL_CONNECTION_IS_TLS13(s))
s->session = NULL;
if (!try_session_cache) {
s->ext.ticket_expected = 1;
}
}
if (fatal)
return -1;
return 0;
}
int SSL_CTX_add_session(SSL_CTX *ctx, SSL_SESSION *c)
{
int ret = 0;
SSL_SESSION *s;
SSL_SESSION_up_ref(c);
if (!CRYPTO_THREAD_write_lock(ctx->lock)) {
SSL_SESSION_free(c);
return 0;
}
s = lh_SSL_SESSION_insert(ctx->sessions, c);
if (s != NULL && s != c) {
SSL_SESSION_list_remove(ctx, s);
SSL_SESSION_free(s);
s = NULL;
} else if (s == NULL &&
lh_SSL_SESSION_retrieve(ctx->sessions, c) == NULL) {
s = c;
}
if (ctx->session_cache_mode & SSL_SESS_CACHE_UPDATE_TIME) {
c->time = ossl_time_now();
ssl_session_calculate_timeout(c);
}
if (s == NULL) {
ret = 1;
if (SSL_CTX_sess_get_cache_size(ctx) > 0) {
while (SSL_CTX_sess_number(ctx) >= SSL_CTX_sess_get_cache_size(ctx)) {
if (!remove_session_lock(ctx, ctx->session_cache_tail, 0))
break;
else
ssl_tsan_counter(ctx, &ctx->stats.sess_cache_full);
}
}
}
SSL_SESSION_list_add(ctx, c);
if (s != NULL) {
SSL_SESSION_free(s);
ret = 0;
}
CRYPTO_THREAD_unlock(ctx->lock);
return ret;
}
int SSL_CTX_remove_session(SSL_CTX *ctx, SSL_SESSION *c)
{
return remove_session_lock(ctx, c, 1);
}
static int remove_session_lock(SSL_CTX *ctx, SSL_SESSION *c, int lck)
{
SSL_SESSION *r;
int ret = 0;
if ((c != NULL) && (c->session_id_length != 0)) {
if (lck) {
if (!CRYPTO_THREAD_write_lock(ctx->lock))
return 0;
}
if ((r = lh_SSL_SESSION_retrieve(ctx->sessions, c)) != NULL) {
ret = 1;
r = lh_SSL_SESSION_delete(ctx->sessions, r);
SSL_SESSION_list_remove(ctx, r);
}
c->not_resumable = 1;
if (lck)
CRYPTO_THREAD_unlock(ctx->lock);
if (ctx->remove_session_cb != NULL)
ctx->remove_session_cb(ctx, c);
if (ret)
SSL_SESSION_free(r);
}
return ret;
}
void SSL_SESSION_free(SSL_SESSION *ss)
{
int i;
if (ss == NULL)
return;
CRYPTO_DOWN_REF(&ss->references, &i);
REF_PRINT_COUNT("SSL_SESSION", ss);
if (i > 0)
return;
REF_ASSERT_ISNT(i < 0);
CRYPTO_free_ex_data(CRYPTO_EX_INDEX_SSL_SESSION, ss, &ss->ex_data);
OPENSSL_cleanse(ss->master_key, sizeof(ss->master_key));
OPENSSL_cleanse(ss->session_id, sizeof(ss->session_id));
X509_free(ss->peer);
EVP_PKEY_free(ss->peer_rpk);
OSSL_STACK_OF_X509_free(ss->peer_chain);
OPENSSL_free(ss->ext.hostname);
OPENSSL_free(ss->ext.tick);
#ifndef OPENSSL_NO_PSK
OPENSSL_free(ss->psk_identity_hint);
OPENSSL_free(ss->psk_identity);
#endif
#ifndef OPENSSL_NO_SRP
OPENSSL_free(ss->srp_username);
#endif
OPENSSL_free(ss->ext.alpn_selected);
OPENSSL_free(ss->ticket_appdata);
CRYPTO_FREE_REF(&ss->references);
OPENSSL_clear_free(ss, sizeof(*ss));
}
int SSL_SESSION_up_ref(SSL_SESSION *ss)
{
int i;
if (CRYPTO_UP_REF(&ss->references, &i) <= 0)
return 0;
REF_PRINT_COUNT("SSL_SESSION", ss);
REF_ASSERT_ISNT(i < 2);
return ((i > 1) ? 1 : 0);
}
int SSL_set_session(SSL *s, SSL_SESSION *session)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return 0;
ssl_clear_bad_session(sc);
if (s->defltmeth != s->method) {
if (!SSL_set_ssl_method(s, s->defltmeth))
return 0;
}
if (session != NULL) {
SSL_SESSION_up_ref(session);
sc->verify_result = session->verify_result;
}
SSL_SESSION_free(sc->session);
sc->session = session;
return 1;
}
int SSL_SESSION_set1_id(SSL_SESSION *s, const unsigned char *sid,
unsigned int sid_len)
{
if (sid_len > SSL_MAX_SSL_SESSION_ID_LENGTH) {
ERR_raise(ERR_LIB_SSL, SSL_R_SSL_SESSION_ID_TOO_LONG);
return 0;
}
s->session_id_length = sid_len;
if (sid != s->session_id)
memcpy(s->session_id, sid, sid_len);
return 1;
}
long SSL_SESSION_set_timeout(SSL_SESSION *s, long t)
{
OSSL_TIME new_timeout = ossl_seconds2time(t);
if (s == NULL || t < 0)
return 0;
if (s->owner != NULL) {
if (!CRYPTO_THREAD_write_lock(s->owner->lock))
return 0;
s->timeout = new_timeout;
ssl_session_calculate_timeout(s);
SSL_SESSION_list_add(s->owner, s);
CRYPTO_THREAD_unlock(s->owner->lock);
} else {
s->timeout = new_timeout;
ssl_session_calculate_timeout(s);
}
return 1;
}
long SSL_SESSION_get_timeout(const SSL_SESSION *s)
{
if (s == NULL)
return 0;
return (long)ossl_time_to_time_t(s->timeout);
}
long SSL_SESSION_get_time(const SSL_SESSION *s)
{
return (long) SSL_SESSION_get_time_ex(s);
}
time_t SSL_SESSION_get_time_ex(const SSL_SESSION *s)
{
if (s == NULL)
return 0;
return ossl_time_to_time_t(s->time);
}
time_t SSL_SESSION_set_time_ex(SSL_SESSION *s, time_t t)
{
OSSL_TIME new_time = ossl_time_from_time_t(t);
if (s == NULL)
return 0;
if (s->owner != NULL) {
if (!CRYPTO_THREAD_write_lock(s->owner->lock))
return 0;
s->time = new_time;
ssl_session_calculate_timeout(s);
SSL_SESSION_list_add(s->owner, s);
CRYPTO_THREAD_unlock(s->owner->lock);
} else {
s->time = new_time;
ssl_session_calculate_timeout(s);
}
return t;
}
long SSL_SESSION_set_time(SSL_SESSION *s, long t)
{
return (long) SSL_SESSION_set_time_ex(s, (time_t) t);
}
int SSL_SESSION_get_protocol_version(const SSL_SESSION *s)
{
return s->ssl_version;
}
int SSL_SESSION_set_protocol_version(SSL_SESSION *s, int version)
{
s->ssl_version = version;
return 1;
}
const SSL_CIPHER *SSL_SESSION_get0_cipher(const SSL_SESSION *s)
{
return s->cipher;
}
int SSL_SESSION_set_cipher(SSL_SESSION *s, const SSL_CIPHER *cipher)
{
s->cipher = cipher;
return 1;
}
const char *SSL_SESSION_get0_hostname(const SSL_SESSION *s)
{
return s->ext.hostname;
}
int SSL_SESSION_set1_hostname(SSL_SESSION *s, const char *hostname)
{
OPENSSL_free(s->ext.hostname);
if (hostname == NULL) {
s->ext.hostname = NULL;
return 1;
}
s->ext.hostname = OPENSSL_strdup(hostname);
return s->ext.hostname != NULL;
}
int SSL_SESSION_has_ticket(const SSL_SESSION *s)
{
return (s->ext.ticklen > 0) ? 1 : 0;
}
unsigned long SSL_SESSION_get_ticket_lifetime_hint(const SSL_SESSION *s)
{
return s->ext.tick_lifetime_hint;
}
void SSL_SESSION_get0_ticket(const SSL_SESSION *s, const unsigned char **tick,
size_t *len)
{
*len = s->ext.ticklen;
if (tick != NULL)
*tick = s->ext.tick;
}
uint32_t SSL_SESSION_get_max_early_data(const SSL_SESSION *s)
{
return s->ext.max_early_data;
}
int SSL_SESSION_set_max_early_data(SSL_SESSION *s, uint32_t max_early_data)
{
s->ext.max_early_data = max_early_data;
return 1;
}
void SSL_SESSION_get0_alpn_selected(const SSL_SESSION *s,
const unsigned char **alpn,
size_t *len)
{
*alpn = s->ext.alpn_selected;
*len = s->ext.alpn_selected_len;
}
int SSL_SESSION_set1_alpn_selected(SSL_SESSION *s, const unsigned char *alpn,
size_t len)
{
OPENSSL_free(s->ext.alpn_selected);
if (alpn == NULL || len == 0) {
s->ext.alpn_selected = NULL;
s->ext.alpn_selected_len = 0;
return 1;
}
s->ext.alpn_selected = OPENSSL_memdup(alpn, len);
if (s->ext.alpn_selected == NULL) {
s->ext.alpn_selected_len = 0;
return 0;
}
s->ext.alpn_selected_len = len;
return 1;
}
X509 *SSL_SESSION_get0_peer(SSL_SESSION *s)
{
return s->peer;
}
EVP_PKEY *SSL_SESSION_get0_peer_rpk(SSL_SESSION *s)
{
return s->peer_rpk;
}
int SSL_SESSION_set1_id_context(SSL_SESSION *s, const unsigned char *sid_ctx,
unsigned int sid_ctx_len)
{
if (sid_ctx_len > SSL_MAX_SID_CTX_LENGTH) {
ERR_raise(ERR_LIB_SSL, SSL_R_SSL_SESSION_ID_CONTEXT_TOO_LONG);
return 0;
}
s->sid_ctx_length = sid_ctx_len;
if (sid_ctx != s->sid_ctx)
memcpy(s->sid_ctx, sid_ctx, sid_ctx_len);
return 1;
}
int SSL_SESSION_is_resumable(const SSL_SESSION *s)
{
return !s->not_resumable
&& (s->session_id_length > 0 || s->ext.ticklen > 0);
}
long SSL_CTX_set_timeout(SSL_CTX *s, long t)
{
long l;
if (s == NULL)
return 0;
l = (long)ossl_time2seconds(s->session_timeout);
s->session_timeout = ossl_seconds2time(t);
return l;
}
long SSL_CTX_get_timeout(const SSL_CTX *s)
{
if (s == NULL)
return 0;
return (long)ossl_time2seconds(s->session_timeout);
}
int SSL_set_session_secret_cb(SSL *s,
tls_session_secret_cb_fn tls_session_secret_cb,
void *arg)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return 0;
sc->ext.session_secret_cb = tls_session_secret_cb;
sc->ext.session_secret_cb_arg = arg;
return 1;
}
int SSL_set_session_ticket_ext_cb(SSL *s, tls_session_ticket_ext_cb_fn cb,
void *arg)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return 0;
sc->ext.session_ticket_cb = cb;
sc->ext.session_ticket_cb_arg = arg;
return 1;
}
int SSL_set_session_ticket_ext(SSL *s, void *ext_data, int ext_len)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return 0;
if (sc->version >= TLS1_VERSION) {
OPENSSL_free(sc->ext.session_ticket);
sc->ext.session_ticket = NULL;
sc->ext.session_ticket =
OPENSSL_malloc(sizeof(TLS_SESSION_TICKET_EXT) + ext_len);
if (sc->ext.session_ticket == NULL)
return 0;
if (ext_data != NULL) {
sc->ext.session_ticket->length = ext_len;
sc->ext.session_ticket->data = sc->ext.session_ticket + 1;
memcpy(sc->ext.session_ticket->data, ext_data, ext_len);
} else {
sc->ext.session_ticket->length = 0;
sc->ext.session_ticket->data = NULL;
}
return 1;
}
return 0;
}
void SSL_CTX_flush_sessions(SSL_CTX *s, long t)
{
STACK_OF(SSL_SESSION) *sk;
SSL_SESSION *current;
unsigned long i;
const OSSL_TIME timeout = ossl_time_from_time_t(t);
if (!CRYPTO_THREAD_write_lock(s->lock))
return;
sk = sk_SSL_SESSION_new_null();
i = lh_SSL_SESSION_get_down_load(s->sessions);
lh_SSL_SESSION_set_down_load(s->sessions, 0);
while (s->session_cache_tail != NULL) {
current = s->session_cache_tail;
if (t == 0 || sess_timedout(timeout, current)) {
lh_SSL_SESSION_delete(s->sessions, current);
SSL_SESSION_list_remove(s, current);
current->not_resumable = 1;
if (s->remove_session_cb != NULL)
s->remove_session_cb(s, current);
if (sk == NULL || !sk_SSL_SESSION_push(sk, current))
SSL_SESSION_free(current);
} else {
break;
}
}
lh_SSL_SESSION_set_down_load(s->sessions, i);
CRYPTO_THREAD_unlock(s->lock);
sk_SSL_SESSION_pop_free(sk, SSL_SESSION_free);
}
int ssl_clear_bad_session(SSL_CONNECTION *s)
{
if ((s->session != NULL) &&
!(s->shutdown & SSL_SENT_SHUTDOWN) &&
!(SSL_in_init(SSL_CONNECTION_GET_SSL(s))
|| SSL_in_before(SSL_CONNECTION_GET_SSL(s)))) {
SSL_CTX_remove_session(s->session_ctx, s->session);
return 1;
} else
return 0;
}
static void SSL_SESSION_list_remove(SSL_CTX *ctx, SSL_SESSION *s)
{
if ((s->next == NULL) || (s->prev == NULL))
return;
if (s->next == (SSL_SESSION *)&(ctx->session_cache_tail)) {
if (s->prev == (SSL_SESSION *)&(ctx->session_cache_head)) {
ctx->session_cache_head = NULL;
ctx->session_cache_tail = NULL;
} else {
ctx->session_cache_tail = s->prev;
s->prev->next = (SSL_SESSION *)&(ctx->session_cache_tail);
}
} else {
if (s->prev == (SSL_SESSION *)&(ctx->session_cache_head)) {
ctx->session_cache_head = s->next;
s->next->prev = (SSL_SESSION *)&(ctx->session_cache_head);
} else {
s->next->prev = s->prev;
s->prev->next = s->next;
}
}
s->prev = s->next = NULL;
s->owner = NULL;
}
static void SSL_SESSION_list_add(SSL_CTX *ctx, SSL_SESSION *s)
{
SSL_SESSION *next;
if ((s->next != NULL) && (s->prev != NULL))
SSL_SESSION_list_remove(ctx, s);
if (ctx->session_cache_head == NULL) {
ctx->session_cache_head = s;
ctx->session_cache_tail = s;
s->prev = (SSL_SESSION *)&(ctx->session_cache_head);
s->next = (SSL_SESSION *)&(ctx->session_cache_tail);
} else {
if (timeoutcmp(s, ctx->session_cache_head) >= 0) {
s->next = ctx->session_cache_head;
s->next->prev = s;
s->prev = (SSL_SESSION *)&(ctx->session_cache_head);
ctx->session_cache_head = s;
} else if (timeoutcmp(s, ctx->session_cache_tail) < 0) {
s->prev = ctx->session_cache_tail;
s->prev->next = s;
s->next = (SSL_SESSION *)&(ctx->session_cache_tail);
ctx->session_cache_tail = s;
} else {
next = ctx->session_cache_head->next;
while (next != (SSL_SESSION*)&(ctx->session_cache_tail)) {
if (timeoutcmp(s, next) >= 0) {
s->next = next;
s->prev = next->prev;
next->prev->next = s;
next->prev = s;
break;
}
next = next->next;
}
}
}
s->owner = ctx;
}
void SSL_CTX_sess_set_new_cb(SSL_CTX *ctx,
int (*cb) (struct ssl_st *ssl, SSL_SESSION *sess))
{
ctx->new_session_cb = cb;
}
int (*SSL_CTX_sess_get_new_cb(SSL_CTX *ctx)) (SSL *ssl, SSL_SESSION *sess) {
return ctx->new_session_cb;
}
void SSL_CTX_sess_set_remove_cb(SSL_CTX *ctx,
void (*cb) (SSL_CTX *ctx, SSL_SESSION *sess))
{
ctx->remove_session_cb = cb;
}
void (*SSL_CTX_sess_get_remove_cb(SSL_CTX *ctx)) (SSL_CTX *ctx,
SSL_SESSION *sess) {
return ctx->remove_session_cb;
}
void SSL_CTX_sess_set_get_cb(SSL_CTX *ctx,
SSL_SESSION *(*cb) (SSL *ssl,
const unsigned char *data,
int len, int *copy))
{
ctx->get_session_cb = cb;
}
SSL_SESSION *(*SSL_CTX_sess_get_get_cb(SSL_CTX *ctx)) (SSL *ssl,
const unsigned char
*data, int len,
int *copy) {
return ctx->get_session_cb;
}
void SSL_CTX_set_info_callback(SSL_CTX *ctx,
void (*cb) (const SSL *ssl, int type, int val))
{
ctx->info_callback = cb;
}
void (*SSL_CTX_get_info_callback(SSL_CTX *ctx)) (const SSL *ssl, int type,
int val) {
return ctx->info_callback;
}
void SSL_CTX_set_client_cert_cb(SSL_CTX *ctx,
int (*cb) (SSL *ssl, X509 **x509,
EVP_PKEY **pkey))
{
ctx->client_cert_cb = cb;
}
int (*SSL_CTX_get_client_cert_cb(SSL_CTX *ctx)) (SSL *ssl, X509 **x509,
EVP_PKEY **pkey) {
return ctx->client_cert_cb;
}
void SSL_CTX_set_cookie_generate_cb(SSL_CTX *ctx,
int (*cb) (SSL *ssl,
unsigned char *cookie,
unsigned int *cookie_len))
{
ctx->app_gen_cookie_cb = cb;
}
void SSL_CTX_set_cookie_verify_cb(SSL_CTX *ctx,
int (*cb) (SSL *ssl,
const unsigned char *cookie,
unsigned int cookie_len))
{
ctx->app_verify_cookie_cb = cb;
}
int SSL_SESSION_set1_ticket_appdata(SSL_SESSION *ss, const void *data, size_t len)
{
OPENSSL_free(ss->ticket_appdata);
ss->ticket_appdata_len = 0;
if (data == NULL || len == 0) {
ss->ticket_appdata = NULL;
return 1;
}
ss->ticket_appdata = OPENSSL_memdup(data, len);
if (ss->ticket_appdata != NULL) {
ss->ticket_appdata_len = len;
return 1;
}
return 0;
}
int SSL_SESSION_get0_ticket_appdata(SSL_SESSION *ss, void **data, size_t *len)
{
*data = ss->ticket_appdata;
*len = ss->ticket_appdata_len;
return 1;
}
void SSL_CTX_set_stateless_cookie_generate_cb(
SSL_CTX *ctx,
int (*cb) (SSL *ssl,
unsigned char *cookie,
size_t *cookie_len))
{
ctx->gen_stateless_cookie_cb = cb;
}
void SSL_CTX_set_stateless_cookie_verify_cb(
SSL_CTX *ctx,
int (*cb) (SSL *ssl,
const unsigned char *cookie,
size_t cookie_len))
{
ctx->verify_stateless_cookie_cb = cb;
}
IMPLEMENT_PEM_rw(SSL_SESSION, SSL_SESSION, PEM_STRING_SSL_SESSION, SSL_SESSION)
| ssl | openssl/ssl/ssl_sess.c | openssl |
#include <limits.h>
#include <string.h>
#include <stdio.h>
#include "../ssl_local.h"
#include "statem_local.h"
#include "internal/cryptlib.h"
#include <openssl/buffer.h>
#include <openssl/objects.h>
#include <openssl/evp.h>
#include <openssl/rsa.h>
#include <openssl/x509.h>
#include <openssl/trace.h>
#include <openssl/encoder.h>
typedef struct x509err2alert_st {
int x509err;
int alert;
} X509ERR2ALERT;
const unsigned char hrrrandom[] = {
0xcf, 0x21, 0xad, 0x74, 0xe5, 0x9a, 0x61, 0x11, 0xbe, 0x1d, 0x8c, 0x02,
0x1e, 0x65, 0xb8, 0x91, 0xc2, 0xa2, 0x11, 0x16, 0x7a, 0xbb, 0x8c, 0x5e,
0x07, 0x9e, 0x09, 0xe2, 0xc8, 0xa8, 0x33, 0x9c
};
int ossl_statem_set_mutator(SSL *s,
ossl_statem_mutate_handshake_cb mutate_handshake_cb,
ossl_statem_finish_mutate_handshake_cb finish_mutate_handshake_cb,
void *mutatearg)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return 0;
sc->statem.mutate_handshake_cb = mutate_handshake_cb;
sc->statem.mutatearg = mutatearg;
sc->statem.finish_mutate_handshake_cb = finish_mutate_handshake_cb;
return 1;
}
int ssl3_do_write(SSL_CONNECTION *s, uint8_t type)
{
int ret;
size_t written = 0;
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
if (s->statem.mutate_handshake_cb != NULL
&& !s->statem.write_in_progress
&& type == SSL3_RT_HANDSHAKE
&& s->init_num >= SSL3_HM_HEADER_LENGTH) {
unsigned char *msg;
size_t msglen;
if (!s->statem.mutate_handshake_cb((unsigned char *)s->init_buf->data,
s->init_num,
&msg, &msglen,
s->statem.mutatearg))
return -1;
if (msglen < SSL3_HM_HEADER_LENGTH
|| !BUF_MEM_grow(s->init_buf, msglen))
return -1;
memcpy(s->init_buf->data, msg, msglen);
s->init_num = msglen;
s->init_msg = s->init_buf->data + SSL3_HM_HEADER_LENGTH;
s->statem.finish_mutate_handshake_cb(s->statem.mutatearg);
s->statem.write_in_progress = 1;
}
ret = ssl3_write_bytes(ssl, type, &s->init_buf->data[s->init_off],
s->init_num, &written);
if (ret <= 0)
return -1;
if (type == SSL3_RT_HANDSHAKE)
if (!SSL_CONNECTION_IS_TLS13(s)
|| (s->statem.hand_state != TLS_ST_SW_SESSION_TICKET
&& s->statem.hand_state != TLS_ST_CW_KEY_UPDATE
&& s->statem.hand_state != TLS_ST_SW_KEY_UPDATE))
if (!ssl3_finish_mac(s,
(unsigned char *)&s->init_buf->data[s->init_off],
written))
return -1;
if (written == s->init_num) {
s->statem.write_in_progress = 0;
if (s->msg_callback)
s->msg_callback(1, s->version, type, s->init_buf->data,
(size_t)(s->init_off + s->init_num), ssl,
s->msg_callback_arg);
return 1;
}
s->init_off += written;
s->init_num -= written;
return 0;
}
int tls_close_construct_packet(SSL_CONNECTION *s, WPACKET *pkt, int htype)
{
size_t msglen;
if ((htype != SSL3_MT_CHANGE_CIPHER_SPEC && !WPACKET_close(pkt))
|| !WPACKET_get_length(pkt, &msglen)
|| msglen > INT_MAX)
return 0;
s->init_num = (int)msglen;
s->init_off = 0;
return 1;
}
int tls_setup_handshake(SSL_CONNECTION *s)
{
int ver_min, ver_max, ok;
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
if (!ssl3_init_finished_mac(s)) {
return 0;
}
memset(s->ext.extflags, 0, sizeof(s->ext.extflags));
if (ssl_get_min_max_version(s, &ver_min, &ver_max, NULL) != 0) {
SSLfatal(s, SSL_AD_PROTOCOL_VERSION, SSL_R_NO_PROTOCOLS_AVAILABLE);
return 0;
}
if (sctx->ssl_digest_methods[SSL_MD_MD5_SHA1_IDX] == NULL) {
int negotiated_minversion;
int md5sha1_needed_maxversion = SSL_CONNECTION_IS_DTLS(s)
? DTLS1_VERSION : TLS1_1_VERSION;
if (ssl_version_cmp(s, ver_max, md5sha1_needed_maxversion) <= 0) {
SSLfatal_data(s, SSL_AD_HANDSHAKE_FAILURE,
SSL_R_NO_SUITABLE_DIGEST_ALGORITHM,
"The max supported SSL/TLS version needs the"
" MD5-SHA1 digest but it is not available"
" in the loaded providers. Use (D)TLSv1.2 or"
" above, or load different providers");
return 0;
}
ok = 1;
negotiated_minversion = SSL_CONNECTION_IS_DTLS(s) ?
DTLS1_2_VERSION : TLS1_2_VERSION;
if (ssl_version_cmp(s, ver_min, negotiated_minversion) < 0)
ok = SSL_set_min_proto_version(ssl, negotiated_minversion);
if (!ok) {
SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, ERR_R_INTERNAL_ERROR);
return 0;
}
}
ok = 0;
if (s->server) {
STACK_OF(SSL_CIPHER) *ciphers = SSL_get_ciphers(ssl);
int i;
for (i = 0; i < sk_SSL_CIPHER_num(ciphers); i++) {
const SSL_CIPHER *c = sk_SSL_CIPHER_value(ciphers, i);
int cipher_minprotover = SSL_CONNECTION_IS_DTLS(s)
? c->min_dtls : c->min_tls;
int cipher_maxprotover = SSL_CONNECTION_IS_DTLS(s)
? c->max_dtls : c->max_tls;
if (ssl_version_cmp(s, ver_max, cipher_minprotover) >= 0
&& ssl_version_cmp(s, ver_max, cipher_maxprotover) <= 0) {
ok = 1;
break;
}
}
if (!ok) {
SSLfatal_data(s, SSL_AD_HANDSHAKE_FAILURE,
SSL_R_NO_CIPHERS_AVAILABLE,
"No ciphers enabled for max supported "
"SSL/TLS version");
return 0;
}
if (SSL_IS_FIRST_HANDSHAKE(s)) {
ssl_tsan_counter(s->session_ctx, &s->session_ctx->stats.sess_accept);
} else {
ssl_tsan_counter(sctx, &sctx->stats.sess_accept_renegotiate);
s->s3.tmp.cert_request = 0;
}
} else {
if (SSL_IS_FIRST_HANDSHAKE(s))
ssl_tsan_counter(s->session_ctx, &s->session_ctx->stats.sess_connect);
else
ssl_tsan_counter(s->session_ctx,
&s->session_ctx->stats.sess_connect_renegotiate);
memset(s->s3.client_random, 0, sizeof(s->s3.client_random));
s->hit = 0;
s->s3.tmp.cert_req = 0;
if (SSL_CONNECTION_IS_DTLS(s))
s->statem.use_timer = 1;
}
return 1;
}
#define TLS13_TBS_START_SIZE 64
#define TLS13_TBS_PREAMBLE_SIZE (TLS13_TBS_START_SIZE + 33 + 1)
static int get_cert_verify_tbs_data(SSL_CONNECTION *s, unsigned char *tls13tbs,
void **hdata, size_t *hdatalen)
{
static const char servercontext[] = "\x54\x4c\x53\x20\x31\x2e\x33\x2c\x20\x73\x65\x72"
"\x76\x65\x72\x20\x43\x65\x72\x74\x69\x66\x69\x63\x61\x74\x65\x56\x65\x72\x69\x66\x79";
static const char clientcontext[] = "\x54\x4c\x53\x20\x31\x2e\x33\x2c\x20\x63\x6c\x69"
"\x65\x6e\x74\x20\x43\x65\x72\x74\x69\x66\x69\x63\x61\x74\x65\x56\x65\x72\x69\x66\x79";
if (SSL_CONNECTION_IS_TLS13(s)) {
size_t hashlen;
memset(tls13tbs, 32, TLS13_TBS_START_SIZE);
if (s->statem.hand_state == TLS_ST_CR_CERT_VRFY
|| s->statem.hand_state == TLS_ST_SW_CERT_VRFY)
strcpy((char *)tls13tbs + TLS13_TBS_START_SIZE, servercontext);
else
strcpy((char *)tls13tbs + TLS13_TBS_START_SIZE, clientcontext);
if (s->statem.hand_state == TLS_ST_CR_CERT_VRFY
|| s->statem.hand_state == TLS_ST_SR_CERT_VRFY) {
memcpy(tls13tbs + TLS13_TBS_PREAMBLE_SIZE, s->cert_verify_hash,
s->cert_verify_hash_len);
hashlen = s->cert_verify_hash_len;
} else if (!ssl_handshake_hash(s, tls13tbs + TLS13_TBS_PREAMBLE_SIZE,
EVP_MAX_MD_SIZE, &hashlen)) {
return 0;
}
*hdata = tls13tbs;
*hdatalen = TLS13_TBS_PREAMBLE_SIZE + hashlen;
} else {
size_t retlen;
long retlen_l;
retlen = retlen_l = BIO_get_mem_data(s->s3.handshake_buffer, hdata);
if (retlen_l <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
*hdatalen = retlen;
}
return 1;
}
CON_FUNC_RETURN tls_construct_cert_verify(SSL_CONNECTION *s, WPACKET *pkt)
{
EVP_PKEY *pkey = NULL;
const EVP_MD *md = NULL;
EVP_MD_CTX *mctx = NULL;
EVP_PKEY_CTX *pctx = NULL;
size_t hdatalen = 0, siglen = 0;
void *hdata;
unsigned char *sig = NULL;
unsigned char tls13tbs[TLS13_TBS_PREAMBLE_SIZE + EVP_MAX_MD_SIZE];
const SIGALG_LOOKUP *lu = s->s3.tmp.sigalg;
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
if (lu == NULL || s->s3.tmp.cert == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
pkey = s->s3.tmp.cert->privatekey;
if (pkey == NULL || !tls1_lookup_md(sctx, lu, &md)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
mctx = EVP_MD_CTX_new();
if (mctx == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB);
goto err;
}
if (!get_cert_verify_tbs_data(s, tls13tbs, &hdata, &hdatalen)) {
goto err;
}
if (SSL_USE_SIGALGS(s) && !WPACKET_put_bytes_u16(pkt, lu->sigalg)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
if (EVP_DigestSignInit_ex(mctx, &pctx,
md == NULL ? NULL : EVP_MD_get0_name(md),
sctx->libctx, sctx->propq, pkey,
NULL) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB);
goto err;
}
if (lu->sig == EVP_PKEY_RSA_PSS) {
if (EVP_PKEY_CTX_set_rsa_padding(pctx, RSA_PKCS1_PSS_PADDING) <= 0
|| EVP_PKEY_CTX_set_rsa_pss_saltlen(pctx,
RSA_PSS_SALTLEN_DIGEST) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB);
goto err;
}
}
if (s->version == SSL3_VERSION) {
if (EVP_DigestSignUpdate(mctx, hdata, hdatalen) <= 0
|| EVP_MD_CTX_ctrl(mctx, EVP_CTRL_SSL3_MASTER_SECRET,
(int)s->session->master_key_length,
s->session->master_key) <= 0
|| EVP_DigestSignFinal(mctx, NULL, &siglen) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB);
goto err;
}
sig = OPENSSL_malloc(siglen);
if (sig == NULL
|| EVP_DigestSignFinal(mctx, sig, &siglen) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB);
goto err;
}
} else {
if (EVP_DigestSign(mctx, NULL, &siglen, hdata, hdatalen) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB);
goto err;
}
sig = OPENSSL_malloc(siglen);
if (sig == NULL
|| EVP_DigestSign(mctx, sig, &siglen, hdata, hdatalen) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB);
goto err;
}
}
#ifndef OPENSSL_NO_GOST
{
int pktype = lu->sig;
if (pktype == NID_id_GostR3410_2001
|| pktype == NID_id_GostR3410_2012_256
|| pktype == NID_id_GostR3410_2012_512)
BUF_reverse(sig, NULL, siglen);
}
#endif
if (!WPACKET_sub_memcpy_u16(pkt, sig, siglen)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
if (!ssl3_digest_cached_records(s, 0)) {
goto err;
}
OPENSSL_free(sig);
EVP_MD_CTX_free(mctx);
return CON_FUNC_SUCCESS;
err:
OPENSSL_free(sig);
EVP_MD_CTX_free(mctx);
return CON_FUNC_ERROR;
}
MSG_PROCESS_RETURN tls_process_cert_verify(SSL_CONNECTION *s, PACKET *pkt)
{
EVP_PKEY *pkey = NULL;
const unsigned char *data;
#ifndef OPENSSL_NO_GOST
unsigned char *gost_data = NULL;
#endif
MSG_PROCESS_RETURN ret = MSG_PROCESS_ERROR;
int j;
unsigned int len;
const EVP_MD *md = NULL;
size_t hdatalen = 0;
void *hdata;
unsigned char tls13tbs[TLS13_TBS_PREAMBLE_SIZE + EVP_MAX_MD_SIZE];
EVP_MD_CTX *mctx = EVP_MD_CTX_new();
EVP_PKEY_CTX *pctx = NULL;
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
if (mctx == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB);
goto err;
}
pkey = tls_get_peer_pkey(s);
if (pkey == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
if (ssl_cert_lookup_by_pkey(pkey, NULL, sctx) == NULL) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER,
SSL_R_SIGNATURE_FOR_NON_SIGNING_CERTIFICATE);
goto err;
}
if (SSL_USE_SIGALGS(s)) {
unsigned int sigalg;
if (!PACKET_get_net_2(pkt, &sigalg)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_PACKET);
goto err;
}
if (tls12_check_peer_sigalg(s, sigalg, pkey) <= 0) {
goto err;
}
} else if (!tls1_set_peer_legacy_sigalg(s, pkey)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR,
SSL_R_LEGACY_SIGALG_DISALLOWED_OR_UNSUPPORTED);
goto err;
}
if (!tls1_lookup_md(sctx, s->s3.tmp.peer_sigalg, &md)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
if (SSL_USE_SIGALGS(s))
OSSL_TRACE1(TLS, "USING TLSv1.2 HASH %s\n",
md == NULL ? "n/a" : EVP_MD_get0_name(md));
#ifndef OPENSSL_NO_GOST
if (!SSL_USE_SIGALGS(s)
&& ((PACKET_remaining(pkt) == 64
&& (EVP_PKEY_get_id(pkey) == NID_id_GostR3410_2001
|| EVP_PKEY_get_id(pkey) == NID_id_GostR3410_2012_256))
|| (PACKET_remaining(pkt) == 128
&& EVP_PKEY_get_id(pkey) == NID_id_GostR3410_2012_512))) {
len = PACKET_remaining(pkt);
} else
#endif
if (!PACKET_get_net_2(pkt, &len)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
goto err;
}
if (!PACKET_get_bytes(pkt, &data, len)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
goto err;
}
if (!get_cert_verify_tbs_data(s, tls13tbs, &hdata, &hdatalen)) {
goto err;
}
OSSL_TRACE1(TLS, "Using client verify alg %s\n",
md == NULL ? "n/a" : EVP_MD_get0_name(md));
if (EVP_DigestVerifyInit_ex(mctx, &pctx,
md == NULL ? NULL : EVP_MD_get0_name(md),
sctx->libctx, sctx->propq, pkey,
NULL) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB);
goto err;
}
#ifndef OPENSSL_NO_GOST
{
int pktype = EVP_PKEY_get_id(pkey);
if (pktype == NID_id_GostR3410_2001
|| pktype == NID_id_GostR3410_2012_256
|| pktype == NID_id_GostR3410_2012_512) {
if ((gost_data = OPENSSL_malloc(len)) == NULL)
goto err;
BUF_reverse(gost_data, data, len);
data = gost_data;
}
}
#endif
if (SSL_USE_PSS(s)) {
if (EVP_PKEY_CTX_set_rsa_padding(pctx, RSA_PKCS1_PSS_PADDING) <= 0
|| EVP_PKEY_CTX_set_rsa_pss_saltlen(pctx,
RSA_PSS_SALTLEN_DIGEST) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB);
goto err;
}
}
if (s->version == SSL3_VERSION) {
if (EVP_DigestVerifyUpdate(mctx, hdata, hdatalen) <= 0
|| EVP_MD_CTX_ctrl(mctx, EVP_CTRL_SSL3_MASTER_SECRET,
(int)s->session->master_key_length,
s->session->master_key) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB);
goto err;
}
if (EVP_DigestVerifyFinal(mctx, data, len) <= 0) {
SSLfatal(s, SSL_AD_DECRYPT_ERROR, SSL_R_BAD_SIGNATURE);
goto err;
}
} else {
j = EVP_DigestVerify(mctx, data, len, hdata, hdatalen);
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
if (SSL_IS_QUIC_HANDSHAKE(s))
j = 1;
#endif
if (j <= 0) {
SSLfatal(s, SSL_AD_DECRYPT_ERROR, SSL_R_BAD_SIGNATURE);
goto err;
}
}
if (!s->server && SSL_CONNECTION_IS_TLS13(s) && s->s3.tmp.cert_req == 1)
ret = MSG_PROCESS_CONTINUE_PROCESSING;
else
ret = MSG_PROCESS_CONTINUE_READING;
err:
BIO_free(s->s3.handshake_buffer);
s->s3.handshake_buffer = NULL;
EVP_MD_CTX_free(mctx);
#ifndef OPENSSL_NO_GOST
OPENSSL_free(gost_data);
#endif
return ret;
}
CON_FUNC_RETURN tls_construct_finished(SSL_CONNECTION *s, WPACKET *pkt)
{
size_t finish_md_len;
const char *sender;
size_t slen;
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
if (!s->server && s->post_handshake_auth != SSL_PHA_REQUESTED)
s->statem.cleanuphand = 1;
if (SSL_CONNECTION_IS_TLS13(s)
&& !s->server
&& (s->early_data_state != SSL_EARLY_DATA_NONE
|| (s->options & SSL_OP_ENABLE_MIDDLEBOX_COMPAT) != 0)
&& s->s3.tmp.cert_req == 0
&& (!ssl->method->ssl3_enc->change_cipher_state(s,
SSL3_CC_HANDSHAKE | SSL3_CHANGE_CIPHER_CLIENT_WRITE))) {;
return CON_FUNC_ERROR;
}
if (s->server) {
sender = ssl->method->ssl3_enc->server_finished_label;
slen = ssl->method->ssl3_enc->server_finished_label_len;
} else {
sender = ssl->method->ssl3_enc->client_finished_label;
slen = ssl->method->ssl3_enc->client_finished_label_len;
}
finish_md_len = ssl->method->ssl3_enc->final_finish_mac(s,
sender, slen,
s->s3.tmp.finish_md);
if (finish_md_len == 0) {
return CON_FUNC_ERROR;
}
s->s3.tmp.finish_md_len = finish_md_len;
if (!WPACKET_memcpy(pkt, s->s3.tmp.finish_md, finish_md_len)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return CON_FUNC_ERROR;
}
if (!SSL_CONNECTION_IS_TLS13(s)
&& !ssl_log_secret(s, MASTER_SECRET_LABEL, s->session->master_key,
s->session->master_key_length)) {
return CON_FUNC_ERROR;
}
if (!ossl_assert(finish_md_len <= EVP_MAX_MD_SIZE)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return CON_FUNC_ERROR;
}
if (!s->server) {
memcpy(s->s3.previous_client_finished, s->s3.tmp.finish_md,
finish_md_len);
s->s3.previous_client_finished_len = finish_md_len;
} else {
memcpy(s->s3.previous_server_finished, s->s3.tmp.finish_md,
finish_md_len);
s->s3.previous_server_finished_len = finish_md_len;
}
return CON_FUNC_SUCCESS;
}
CON_FUNC_RETURN tls_construct_key_update(SSL_CONNECTION *s, WPACKET *pkt)
{
if (!WPACKET_put_bytes_u8(pkt, s->key_update)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return CON_FUNC_ERROR;
}
s->key_update = SSL_KEY_UPDATE_NONE;
return CON_FUNC_SUCCESS;
}
MSG_PROCESS_RETURN tls_process_key_update(SSL_CONNECTION *s, PACKET *pkt)
{
unsigned int updatetype;
if (RECORD_LAYER_processed_read_pending(&s->rlayer)) {
SSLfatal(s, SSL_AD_UNEXPECTED_MESSAGE, SSL_R_NOT_ON_RECORD_BOUNDARY);
return MSG_PROCESS_ERROR;
}
if (!PACKET_get_1(pkt, &updatetype)
|| PACKET_remaining(pkt) != 0) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_KEY_UPDATE);
return MSG_PROCESS_ERROR;
}
if (updatetype != SSL_KEY_UPDATE_NOT_REQUESTED
&& updatetype != SSL_KEY_UPDATE_REQUESTED) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_BAD_KEY_UPDATE);
return MSG_PROCESS_ERROR;
}
if (updatetype == SSL_KEY_UPDATE_REQUESTED)
s->key_update = SSL_KEY_UPDATE_NOT_REQUESTED;
if (!tls13_update_key(s, 0)) {
return MSG_PROCESS_ERROR;
}
return MSG_PROCESS_FINISHED_READING;
}
int ssl3_take_mac(SSL_CONNECTION *s)
{
const char *sender;
size_t slen;
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
if (!s->server) {
sender = ssl->method->ssl3_enc->server_finished_label;
slen = ssl->method->ssl3_enc->server_finished_label_len;
} else {
sender = ssl->method->ssl3_enc->client_finished_label;
slen = ssl->method->ssl3_enc->client_finished_label_len;
}
s->s3.tmp.peer_finish_md_len =
ssl->method->ssl3_enc->final_finish_mac(s, sender, slen,
s->s3.tmp.peer_finish_md);
if (s->s3.tmp.peer_finish_md_len == 0) {
return 0;
}
return 1;
}
MSG_PROCESS_RETURN tls_process_change_cipher_spec(SSL_CONNECTION *s,
PACKET *pkt)
{
size_t remain;
remain = PACKET_remaining(pkt);
if (SSL_CONNECTION_IS_DTLS(s)) {
if ((s->version == DTLS1_BAD_VER
&& remain != DTLS1_CCS_HEADER_LENGTH + 1)
|| (s->version != DTLS1_BAD_VER
&& remain != DTLS1_CCS_HEADER_LENGTH - 1)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_CHANGE_CIPHER_SPEC);
return MSG_PROCESS_ERROR;
}
} else {
if (remain != 0) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_CHANGE_CIPHER_SPEC);
return MSG_PROCESS_ERROR;
}
}
if (s->s3.tmp.new_cipher == NULL) {
SSLfatal(s, SSL_AD_UNEXPECTED_MESSAGE, SSL_R_CCS_RECEIVED_EARLY);
return MSG_PROCESS_ERROR;
}
s->s3.change_cipher_spec = 1;
if (!ssl3_do_change_cipher_spec(s)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return MSG_PROCESS_ERROR;
}
if (SSL_CONNECTION_IS_DTLS(s)) {
if (s->version == DTLS1_BAD_VER)
s->d1->handshake_read_seq++;
#ifndef OPENSSL_NO_SCTP
BIO_ctrl(SSL_get_wbio(SSL_CONNECTION_GET_SSL(s)),
BIO_CTRL_DGRAM_SCTP_AUTH_CCS_RCVD, 1, NULL);
#endif
}
return MSG_PROCESS_CONTINUE_READING;
}
MSG_PROCESS_RETURN tls_process_finished(SSL_CONNECTION *s, PACKET *pkt)
{
size_t md_len;
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
int was_first = SSL_IS_FIRST_HANDSHAKE(s);
int ok;
if (s->server) {
if (s->rlayer.rrlmethod->set_plain_alerts != NULL)
s->rlayer.rrlmethod->set_plain_alerts(s->rlayer.rrl, 0);
if (s->post_handshake_auth != SSL_PHA_REQUESTED)
s->statem.cleanuphand = 1;
if (SSL_CONNECTION_IS_TLS13(s)
&& !tls13_save_handshake_digest_for_pha(s)) {
return MSG_PROCESS_ERROR;
}
}
if (SSL_CONNECTION_IS_TLS13(s)
&& RECORD_LAYER_processed_read_pending(&s->rlayer)) {
SSLfatal(s, SSL_AD_UNEXPECTED_MESSAGE, SSL_R_NOT_ON_RECORD_BOUNDARY);
return MSG_PROCESS_ERROR;
}
if (!SSL_CONNECTION_IS_TLS13(s) && !s->s3.change_cipher_spec) {
SSLfatal(s, SSL_AD_UNEXPECTED_MESSAGE, SSL_R_GOT_A_FIN_BEFORE_A_CCS);
return MSG_PROCESS_ERROR;
}
s->s3.change_cipher_spec = 0;
md_len = s->s3.tmp.peer_finish_md_len;
if (md_len != PACKET_remaining(pkt)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_DIGEST_LENGTH);
return MSG_PROCESS_ERROR;
}
ok = CRYPTO_memcmp(PACKET_data(pkt), s->s3.tmp.peer_finish_md,
md_len);
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
if (ok != 0) {
if ((PACKET_data(pkt)[0] ^ s->s3.tmp.peer_finish_md[0]) != 0xFF) {
ok = 0;
}
}
#endif
if (ok != 0) {
SSLfatal(s, SSL_AD_DECRYPT_ERROR, SSL_R_DIGEST_CHECK_FAILED);
return MSG_PROCESS_ERROR;
}
if (!ossl_assert(md_len <= EVP_MAX_MD_SIZE)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return MSG_PROCESS_ERROR;
}
if (s->server) {
memcpy(s->s3.previous_client_finished, s->s3.tmp.peer_finish_md,
md_len);
s->s3.previous_client_finished_len = md_len;
} else {
memcpy(s->s3.previous_server_finished, s->s3.tmp.peer_finish_md,
md_len);
s->s3.previous_server_finished_len = md_len;
}
if (SSL_CONNECTION_IS_TLS13(s)) {
if (s->server) {
if (s->post_handshake_auth != SSL_PHA_REQUESTED &&
!ssl->method->ssl3_enc->change_cipher_state(s,
SSL3_CC_APPLICATION | SSL3_CHANGE_CIPHER_SERVER_READ)) {
return MSG_PROCESS_ERROR;
}
} else {
size_t dummy;
if (!ssl->method->ssl3_enc->generate_master_secret(s,
s->master_secret, s->handshake_secret, 0,
&dummy)) {
return MSG_PROCESS_ERROR;
}
if (!ssl->method->ssl3_enc->change_cipher_state(s,
SSL3_CC_APPLICATION | SSL3_CHANGE_CIPHER_CLIENT_READ)) {
return MSG_PROCESS_ERROR;
}
if (!tls_process_initial_server_flight(s)) {
return MSG_PROCESS_ERROR;
}
}
}
if (was_first
&& !SSL_IS_FIRST_HANDSHAKE(s)
&& s->rlayer.rrlmethod->set_first_handshake != NULL)
s->rlayer.rrlmethod->set_first_handshake(s->rlayer.rrl, 0);
return MSG_PROCESS_FINISHED_READING;
}
CON_FUNC_RETURN tls_construct_change_cipher_spec(SSL_CONNECTION *s, WPACKET *pkt)
{
if (!WPACKET_put_bytes_u8(pkt, SSL3_MT_CCS)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return CON_FUNC_ERROR;
}
return CON_FUNC_SUCCESS;
}
static int ssl_add_cert_to_wpacket(SSL_CONNECTION *s, WPACKET *pkt,
X509 *x, int chain, int for_comp)
{
int len;
unsigned char *outbytes;
int context = SSL_EXT_TLS1_3_CERTIFICATE;
if (for_comp)
context |= SSL_EXT_TLS1_3_CERTIFICATE_COMPRESSION;
len = i2d_X509(x, NULL);
if (len < 0) {
if (!for_comp)
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_BUF_LIB);
return 0;
}
if (!WPACKET_sub_allocate_bytes_u24(pkt, len, &outbytes)
|| i2d_X509(x, &outbytes) != len) {
if (!for_comp)
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
if ((SSL_CONNECTION_IS_TLS13(s) || for_comp)
&& !tls_construct_extensions(s, pkt, context, x, chain)) {
return 0;
}
return 1;
}
static int ssl_add_cert_chain(SSL_CONNECTION *s, WPACKET *pkt, CERT_PKEY *cpk, int for_comp)
{
int i, chain_count;
X509 *x;
STACK_OF(X509) *extra_certs;
STACK_OF(X509) *chain = NULL;
X509_STORE *chain_store;
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
if (cpk == NULL || cpk->x509 == NULL)
return 1;
x = cpk->x509;
if (cpk->chain != NULL)
extra_certs = cpk->chain;
else
extra_certs = sctx->extra_certs;
if ((s->mode & SSL_MODE_NO_AUTO_CHAIN) || extra_certs)
chain_store = NULL;
else if (s->cert->chain_store)
chain_store = s->cert->chain_store;
else
chain_store = sctx->cert_store;
if (chain_store != NULL) {
X509_STORE_CTX *xs_ctx = X509_STORE_CTX_new_ex(sctx->libctx,
sctx->propq);
if (xs_ctx == NULL) {
if (!for_comp)
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_X509_LIB);
return 0;
}
if (!X509_STORE_CTX_init(xs_ctx, chain_store, x, NULL)) {
X509_STORE_CTX_free(xs_ctx);
if (!for_comp)
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_X509_LIB);
return 0;
}
(void)X509_verify_cert(xs_ctx);
ERR_clear_error();
chain = X509_STORE_CTX_get0_chain(xs_ctx);
i = ssl_security_cert_chain(s, chain, NULL, 0);
if (i != 1) {
#if 0
ERR_raise(ERR_LIB_SSL, SSL_R_EE_KEY_TOO_SMALL);
ERR_raise(ERR_LIB_SSL, SSL_R_CA_KEY_TOO_SMALL);
ERR_raise(ERR_LIB_SSL, SSL_R_CA_MD_TOO_WEAK);
#endif
X509_STORE_CTX_free(xs_ctx);
if (!for_comp)
SSLfatal(s, SSL_AD_INTERNAL_ERROR, i);
return 0;
}
chain_count = sk_X509_num(chain);
for (i = 0; i < chain_count; i++) {
x = sk_X509_value(chain, i);
if (!ssl_add_cert_to_wpacket(s, pkt, x, i, for_comp)) {
X509_STORE_CTX_free(xs_ctx);
return 0;
}
}
X509_STORE_CTX_free(xs_ctx);
} else {
i = ssl_security_cert_chain(s, extra_certs, x, 0);
if (i != 1) {
if (!for_comp)
SSLfatal(s, SSL_AD_INTERNAL_ERROR, i);
return 0;
}
if (!ssl_add_cert_to_wpacket(s, pkt, x, 0, for_comp)) {
return 0;
}
for (i = 0; i < sk_X509_num(extra_certs); i++) {
x = sk_X509_value(extra_certs, i);
if (!ssl_add_cert_to_wpacket(s, pkt, x, i + 1, for_comp)) {
return 0;
}
}
}
return 1;
}
EVP_PKEY* tls_get_peer_pkey(const SSL_CONNECTION *sc)
{
if (sc->session->peer_rpk != NULL)
return sc->session->peer_rpk;
if (sc->session->peer != NULL)
return X509_get0_pubkey(sc->session->peer);
return NULL;
}
int tls_process_rpk(SSL_CONNECTION *sc, PACKET *pkt, EVP_PKEY **peer_rpk)
{
EVP_PKEY *pkey = NULL;
int ret = 0;
RAW_EXTENSION *rawexts = NULL;
PACKET extensions;
PACKET context;
unsigned long cert_len = 0, spki_len = 0;
const unsigned char *spki, *spkistart;
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(sc);
if (SSL_CONNECTION_IS_TLS13(sc)) {
if (!PACKET_get_length_prefixed_1(pkt, &context)) {
SSLfatal(sc, SSL_AD_DECODE_ERROR, SSL_R_INVALID_CONTEXT);
goto err;
}
if (sc->server) {
if (sc->pha_context == NULL) {
if (PACKET_remaining(&context) != 0) {
SSLfatal(sc, SSL_AD_DECODE_ERROR, SSL_R_INVALID_CONTEXT);
goto err;
}
} else {
if (!PACKET_equal(&context, sc->pha_context, sc->pha_context_len)) {
SSLfatal(sc, SSL_AD_DECODE_ERROR, SSL_R_INVALID_CONTEXT);
goto err;
}
}
} else {
if (PACKET_remaining(&context) != 0) {
SSLfatal(sc, SSL_AD_DECODE_ERROR, SSL_R_INVALID_CONTEXT);
goto err;
}
}
}
if (!PACKET_get_net_3(pkt, &cert_len)
|| PACKET_remaining(pkt) != cert_len) {
SSLfatal(sc, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
goto err;
}
if (cert_len == 0)
return 1;
if (SSL_CONNECTION_IS_TLS13(sc)) {
if (!PACKET_get_net_3(pkt, &spki_len)) {
SSLfatal(sc, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
goto err;
}
if (spki_len == 0) {
SSLfatal(sc, SSL_AD_DECODE_ERROR, SSL_R_EMPTY_RAW_PUBLIC_KEY);
goto err;
}
} else {
spki_len = cert_len;
}
if (!PACKET_get_bytes(pkt, &spki, spki_len)) {
SSLfatal(sc, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
goto err;
}
spkistart = spki;
if ((pkey = d2i_PUBKEY_ex(NULL, &spki, spki_len, sctx->libctx, sctx->propq)) == NULL
|| spki != (spkistart + spki_len)) {
SSLfatal(sc, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
goto err;
}
if (EVP_PKEY_missing_parameters(pkey)) {
SSLfatal(sc, SSL_AD_INTERNAL_ERROR,
SSL_R_UNABLE_TO_FIND_PUBLIC_KEY_PARAMETERS);
goto err;
}
if (SSL_CONNECTION_IS_TLS13(sc)) {
if (PACKET_remaining(pkt) != (cert_len - 3 - spki_len)) {
SSLfatal(sc, SSL_AD_DECODE_ERROR, SSL_R_BAD_LENGTH);
goto err;
}
if (!PACKET_as_length_prefixed_2(pkt, &extensions)
|| PACKET_remaining(pkt) != 0) {
SSLfatal(sc, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
goto err;
}
if (!tls_collect_extensions(sc, &extensions, SSL_EXT_TLS1_3_RAW_PUBLIC_KEY,
&rawexts, NULL, 1)) {
goto err;
}
if (!tls_parse_all_extensions(sc, SSL_EXT_TLS1_3_RAW_PUBLIC_KEY,
rawexts, NULL, 0, 1)) {
goto err;
}
}
ret = 1;
if (peer_rpk != NULL) {
*peer_rpk = pkey;
pkey = NULL;
}
err:
OPENSSL_free(rawexts);
EVP_PKEY_free(pkey);
return ret;
}
unsigned long tls_output_rpk(SSL_CONNECTION *sc, WPACKET *pkt, CERT_PKEY *cpk)
{
int pdata_len = 0;
unsigned char *pdata = NULL;
X509_PUBKEY *xpk = NULL;
unsigned long ret = 0;
X509 *x509 = NULL;
if (cpk != NULL && cpk->x509 != NULL) {
x509 = cpk->x509;
xpk = X509_get_X509_PUBKEY(cpk->x509);
if (xpk == NULL) {
SSLfatal(sc, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
pdata_len = i2d_X509_PUBKEY(xpk, &pdata);
} else if (cpk != NULL && cpk->privatekey != NULL) {
pdata_len = i2d_PUBKEY(cpk->privatekey, &pdata);
} else {
if (sc->server) {
SSLfatal(sc, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
if (!WPACKET_sub_memcpy_u24(pkt, pdata, pdata_len)) {
SSLfatal(sc, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
return 1;
}
if (pdata_len <= 0) {
SSLfatal(sc, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
if (SSL_CONNECTION_IS_TLS13(sc)) {
if (!WPACKET_start_sub_packet_u24(pkt)) {
SSLfatal(sc, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
}
if (!WPACKET_sub_memcpy_u24(pkt, pdata, pdata_len)) {
SSLfatal(sc, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
if (SSL_CONNECTION_IS_TLS13(sc)) {
if (!tls_construct_extensions(sc, pkt, SSL_EXT_TLS1_3_RAW_PUBLIC_KEY,
x509, 0)) {
goto err;
}
if (!WPACKET_close(pkt)) {
SSLfatal(sc, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
}
ret = 1;
err:
OPENSSL_free(pdata);
return ret;
}
unsigned long ssl3_output_cert_chain(SSL_CONNECTION *s, WPACKET *pkt,
CERT_PKEY *cpk, int for_comp)
{
if (!WPACKET_start_sub_packet_u24(pkt)) {
if (!for_comp)
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
if (!ssl_add_cert_chain(s, pkt, cpk, for_comp))
return 0;
if (!WPACKET_close(pkt)) {
if (!for_comp)
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
return 1;
}
WORK_STATE tls_finish_handshake(SSL_CONNECTION *s, ossl_unused WORK_STATE wst,
int clearbufs, int stop)
{
void (*cb) (const SSL *ssl, int type, int val) = NULL;
int cleanuphand = s->statem.cleanuphand;
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
if (clearbufs) {
if (!SSL_CONNECTION_IS_DTLS(s)
#ifndef OPENSSL_NO_SCTP
|| BIO_dgram_is_sctp(SSL_get_wbio(ssl))
#endif
) {
BUF_MEM_free(s->init_buf);
s->init_buf = NULL;
}
if (!ssl_free_wbio_buffer(s)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return WORK_ERROR;
}
s->init_num = 0;
}
if (SSL_CONNECTION_IS_TLS13(s) && !s->server
&& s->post_handshake_auth == SSL_PHA_REQUESTED)
s->post_handshake_auth = SSL_PHA_EXT_SENT;
if (cleanuphand) {
s->renegotiate = 0;
s->new_session = 0;
s->statem.cleanuphand = 0;
s->ext.ticket_expected = 0;
ssl3_cleanup_key_block(s);
if (s->server) {
if (!SSL_CONNECTION_IS_TLS13(s))
ssl_update_cache(s, SSL_SESS_CACHE_SERVER);
ssl_tsan_counter(sctx, &sctx->stats.sess_accept_good);
s->handshake_func = ossl_statem_accept;
} else {
if (SSL_CONNECTION_IS_TLS13(s)) {
if ((s->session_ctx->session_cache_mode
& SSL_SESS_CACHE_CLIENT) != 0)
SSL_CTX_remove_session(s->session_ctx, s->session);
} else {
ssl_update_cache(s, SSL_SESS_CACHE_CLIENT);
}
if (s->hit)
ssl_tsan_counter(s->session_ctx,
&s->session_ctx->stats.sess_hit);
s->handshake_func = ossl_statem_connect;
ssl_tsan_counter(s->session_ctx,
&s->session_ctx->stats.sess_connect_good);
}
if (SSL_CONNECTION_IS_DTLS(s)) {
s->d1->handshake_read_seq = 0;
s->d1->handshake_write_seq = 0;
s->d1->next_handshake_write_seq = 0;
dtls1_clear_received_buffer(s);
}
}
if (s->info_callback != NULL)
cb = s->info_callback;
else if (sctx->info_callback != NULL)
cb = sctx->info_callback;
ossl_statem_set_in_init(s, 0);
if (cb != NULL) {
if (cleanuphand
|| !SSL_CONNECTION_IS_TLS13(s)
|| SSL_IS_FIRST_HANDSHAKE(s))
cb(ssl, SSL_CB_HANDSHAKE_DONE, 1);
}
if (!stop) {
ossl_statem_set_in_init(s, 1);
return WORK_FINISHED_CONTINUE;
}
return WORK_FINISHED_STOP;
}
int tls_get_message_header(SSL_CONNECTION *s, int *mt)
{
int skip_message, i;
uint8_t recvd_type;
unsigned char *p;
size_t l, readbytes;
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
p = (unsigned char *)s->init_buf->data;
do {
while (s->init_num < SSL3_HM_HEADER_LENGTH) {
i = ssl->method->ssl_read_bytes(ssl, SSL3_RT_HANDSHAKE, &recvd_type,
&p[s->init_num],
SSL3_HM_HEADER_LENGTH - s->init_num,
0, &readbytes);
if (i <= 0) {
s->rwstate = SSL_READING;
return 0;
}
if (recvd_type == SSL3_RT_CHANGE_CIPHER_SPEC) {
if (s->init_num != 0 || readbytes != 1 || p[0] != SSL3_MT_CCS) {
SSLfatal(s, SSL_AD_UNEXPECTED_MESSAGE,
SSL_R_BAD_CHANGE_CIPHER_SPEC);
return 0;
}
if (s->statem.hand_state == TLS_ST_BEFORE
&& (s->s3.flags & TLS1_FLAGS_STATELESS) != 0) {
return 0;
}
s->s3.tmp.message_type = *mt = SSL3_MT_CHANGE_CIPHER_SPEC;
s->init_num = readbytes - 1;
s->init_msg = s->init_buf->data;
s->s3.tmp.message_size = readbytes;
return 1;
} else if (recvd_type != SSL3_RT_HANDSHAKE) {
SSLfatal(s, SSL_AD_UNEXPECTED_MESSAGE,
SSL_R_CCS_RECEIVED_EARLY);
return 0;
}
s->init_num += readbytes;
}
skip_message = 0;
if (!s->server)
if (s->statem.hand_state != TLS_ST_OK
&& p[0] == SSL3_MT_HELLO_REQUEST)
if (p[1] == 0 && p[2] == 0 && p[3] == 0) {
s->init_num = 0;
skip_message = 1;
if (s->msg_callback)
s->msg_callback(0, s->version, SSL3_RT_HANDSHAKE,
p, SSL3_HM_HEADER_LENGTH, ssl,
s->msg_callback_arg);
}
} while (skip_message);
*mt = *p;
s->s3.tmp.message_type = *(p++);
if (RECORD_LAYER_is_sslv2_record(&s->rlayer)) {
l = s->rlayer.tlsrecs[0].length + SSL3_HM_HEADER_LENGTH;
s->s3.tmp.message_size = l;
s->init_msg = s->init_buf->data;
s->init_num = SSL3_HM_HEADER_LENGTH;
} else {
n2l3(p, l);
if (l > (INT_MAX - SSL3_HM_HEADER_LENGTH)) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER,
SSL_R_EXCESSIVE_MESSAGE_SIZE);
return 0;
}
s->s3.tmp.message_size = l;
s->init_msg = s->init_buf->data + SSL3_HM_HEADER_LENGTH;
s->init_num = 0;
}
return 1;
}
int tls_get_message_body(SSL_CONNECTION *s, size_t *len)
{
size_t n, readbytes;
unsigned char *p;
int i;
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
if (s->s3.tmp.message_type == SSL3_MT_CHANGE_CIPHER_SPEC) {
*len = (unsigned long)s->init_num;
return 1;
}
p = s->init_msg;
n = s->s3.tmp.message_size - s->init_num;
while (n > 0) {
i = ssl->method->ssl_read_bytes(ssl, SSL3_RT_HANDSHAKE, NULL,
&p[s->init_num], n, 0, &readbytes);
if (i <= 0) {
s->rwstate = SSL_READING;
*len = 0;
return 0;
}
s->init_num += readbytes;
n -= readbytes;
}
if (*(s->init_buf->data) == SSL3_MT_FINISHED && !ssl3_take_mac(s)) {
*len = 0;
return 0;
}
if (RECORD_LAYER_is_sslv2_record(&s->rlayer)) {
if (!ssl3_finish_mac(s, (unsigned char *)s->init_buf->data,
s->init_num)) {
*len = 0;
return 0;
}
if (s->msg_callback)
s->msg_callback(0, SSL2_VERSION, 0, s->init_buf->data,
(size_t)s->init_num, ssl, s->msg_callback_arg);
} else {
#define SERVER_HELLO_RANDOM_OFFSET (SSL3_HM_HEADER_LENGTH + 2)
if (!SSL_CONNECTION_IS_TLS13(s)
|| (s->s3.tmp.message_type != SSL3_MT_NEWSESSION_TICKET
&& s->s3.tmp.message_type != SSL3_MT_KEY_UPDATE)) {
if (s->s3.tmp.message_type != SSL3_MT_SERVER_HELLO
|| s->init_num < SERVER_HELLO_RANDOM_OFFSET + SSL3_RANDOM_SIZE
|| memcmp(hrrrandom,
s->init_buf->data + SERVER_HELLO_RANDOM_OFFSET,
SSL3_RANDOM_SIZE) != 0) {
if (!ssl3_finish_mac(s, (unsigned char *)s->init_buf->data,
s->init_num + SSL3_HM_HEADER_LENGTH)) {
*len = 0;
return 0;
}
}
}
if (s->msg_callback)
s->msg_callback(0, s->version, SSL3_RT_HANDSHAKE, s->init_buf->data,
(size_t)s->init_num + SSL3_HM_HEADER_LENGTH, ssl,
s->msg_callback_arg);
}
*len = s->init_num;
return 1;
}
static const X509ERR2ALERT x509table[] = {
{X509_V_ERR_APPLICATION_VERIFICATION, SSL_AD_HANDSHAKE_FAILURE},
{X509_V_ERR_CA_KEY_TOO_SMALL, SSL_AD_BAD_CERTIFICATE},
{X509_V_ERR_EC_KEY_EXPLICIT_PARAMS, SSL_AD_BAD_CERTIFICATE},
{X509_V_ERR_CA_MD_TOO_WEAK, SSL_AD_BAD_CERTIFICATE},
{X509_V_ERR_CERT_CHAIN_TOO_LONG, SSL_AD_UNKNOWN_CA},
{X509_V_ERR_CERT_HAS_EXPIRED, SSL_AD_CERTIFICATE_EXPIRED},
{X509_V_ERR_CERT_NOT_YET_VALID, SSL_AD_BAD_CERTIFICATE},
{X509_V_ERR_CERT_REJECTED, SSL_AD_BAD_CERTIFICATE},
{X509_V_ERR_CERT_REVOKED, SSL_AD_CERTIFICATE_REVOKED},
{X509_V_ERR_CERT_SIGNATURE_FAILURE, SSL_AD_DECRYPT_ERROR},
{X509_V_ERR_CERT_UNTRUSTED, SSL_AD_BAD_CERTIFICATE},
{X509_V_ERR_CRL_HAS_EXPIRED, SSL_AD_CERTIFICATE_EXPIRED},
{X509_V_ERR_CRL_NOT_YET_VALID, SSL_AD_BAD_CERTIFICATE},
{X509_V_ERR_CRL_SIGNATURE_FAILURE, SSL_AD_DECRYPT_ERROR},
{X509_V_ERR_DANE_NO_MATCH, SSL_AD_BAD_CERTIFICATE},
{X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT, SSL_AD_UNKNOWN_CA},
{X509_V_ERR_EE_KEY_TOO_SMALL, SSL_AD_BAD_CERTIFICATE},
{X509_V_ERR_EMAIL_MISMATCH, SSL_AD_BAD_CERTIFICATE},
{X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD, SSL_AD_BAD_CERTIFICATE},
{X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD, SSL_AD_BAD_CERTIFICATE},
{X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD, SSL_AD_BAD_CERTIFICATE},
{X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD, SSL_AD_BAD_CERTIFICATE},
{X509_V_ERR_HOSTNAME_MISMATCH, SSL_AD_BAD_CERTIFICATE},
{X509_V_ERR_INVALID_CA, SSL_AD_UNKNOWN_CA},
{X509_V_ERR_INVALID_CALL, SSL_AD_INTERNAL_ERROR},
{X509_V_ERR_INVALID_PURPOSE, SSL_AD_UNSUPPORTED_CERTIFICATE},
{X509_V_ERR_IP_ADDRESS_MISMATCH, SSL_AD_BAD_CERTIFICATE},
{X509_V_ERR_OUT_OF_MEM, SSL_AD_INTERNAL_ERROR},
{X509_V_ERR_PATH_LENGTH_EXCEEDED, SSL_AD_UNKNOWN_CA},
{X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN, SSL_AD_UNKNOWN_CA},
{X509_V_ERR_STORE_LOOKUP, SSL_AD_INTERNAL_ERROR},
{X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY, SSL_AD_BAD_CERTIFICATE},
{X509_V_ERR_UNABLE_TO_DECRYPT_CERT_SIGNATURE, SSL_AD_BAD_CERTIFICATE},
{X509_V_ERR_UNABLE_TO_DECRYPT_CRL_SIGNATURE, SSL_AD_BAD_CERTIFICATE},
{X509_V_ERR_UNABLE_TO_GET_CRL, SSL_AD_UNKNOWN_CA},
{X509_V_ERR_UNABLE_TO_GET_CRL_ISSUER, SSL_AD_UNKNOWN_CA},
{X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT, SSL_AD_UNKNOWN_CA},
{X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY, SSL_AD_UNKNOWN_CA},
{X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE, SSL_AD_UNKNOWN_CA},
{X509_V_ERR_UNSPECIFIED, SSL_AD_INTERNAL_ERROR},
{X509_V_OK, SSL_AD_CERTIFICATE_UNKNOWN}
};
int ssl_x509err2alert(int x509err)
{
const X509ERR2ALERT *tp;
for (tp = x509table; tp->x509err != X509_V_OK; ++tp)
if (tp->x509err == x509err)
break;
return tp->alert;
}
int ssl_allow_compression(SSL_CONNECTION *s)
{
if (s->options & SSL_OP_NO_COMPRESSION)
return 0;
return ssl_security(s, SSL_SECOP_COMPRESSION, 0, 0, NULL);
}
int ssl_version_cmp(const SSL_CONNECTION *s, int versiona, int versionb)
{
int dtls = SSL_CONNECTION_IS_DTLS(s);
if (versiona == versionb)
return 0;
if (!dtls)
return versiona < versionb ? -1 : 1;
return DTLS_VERSION_LT(versiona, versionb) ? -1 : 1;
}
typedef struct {
int version;
const SSL_METHOD *(*cmeth) (void);
const SSL_METHOD *(*smeth) (void);
} version_info;
#if TLS_MAX_VERSION_INTERNAL != TLS1_3_VERSION
# error Code needs update for TLS_method() support beyond TLS1_3_VERSION.
#endif
static const version_info tls_version_table[] = {
#ifndef OPENSSL_NO_TLS1_3
{TLS1_3_VERSION, tlsv1_3_client_method, tlsv1_3_server_method},
#else
{TLS1_3_VERSION, NULL, NULL},
#endif
#ifndef OPENSSL_NO_TLS1_2
{TLS1_2_VERSION, tlsv1_2_client_method, tlsv1_2_server_method},
#else
{TLS1_2_VERSION, NULL, NULL},
#endif
#ifndef OPENSSL_NO_TLS1_1
{TLS1_1_VERSION, tlsv1_1_client_method, tlsv1_1_server_method},
#else
{TLS1_1_VERSION, NULL, NULL},
#endif
#ifndef OPENSSL_NO_TLS1
{TLS1_VERSION, tlsv1_client_method, tlsv1_server_method},
#else
{TLS1_VERSION, NULL, NULL},
#endif
#ifndef OPENSSL_NO_SSL3
{SSL3_VERSION, sslv3_client_method, sslv3_server_method},
#else
{SSL3_VERSION, NULL, NULL},
#endif
{0, NULL, NULL},
};
#if DTLS_MAX_VERSION_INTERNAL != DTLS1_2_VERSION
# error Code needs update for DTLS_method() support beyond DTLS1_2_VERSION.
#endif
static const version_info dtls_version_table[] = {
#ifndef OPENSSL_NO_DTLS1_2
{DTLS1_2_VERSION, dtlsv1_2_client_method, dtlsv1_2_server_method},
#else
{DTLS1_2_VERSION, NULL, NULL},
#endif
#ifndef OPENSSL_NO_DTLS1
{DTLS1_VERSION, dtlsv1_client_method, dtlsv1_server_method},
{DTLS1_BAD_VER, dtls_bad_ver_client_method, NULL},
#else
{DTLS1_VERSION, NULL, NULL},
{DTLS1_BAD_VER, NULL, NULL},
#endif
{0, NULL, NULL},
};
static int ssl_method_error(const SSL_CONNECTION *s, const SSL_METHOD *method)
{
int version = method->version;
if ((s->min_proto_version != 0 &&
ssl_version_cmp(s, version, s->min_proto_version) < 0) ||
ssl_security(s, SSL_SECOP_VERSION, 0, version, NULL) == 0)
return SSL_R_VERSION_TOO_LOW;
if (s->max_proto_version != 0 &&
ssl_version_cmp(s, version, s->max_proto_version) > 0)
return SSL_R_VERSION_TOO_HIGH;
if ((s->options & method->mask) != 0)
return SSL_R_UNSUPPORTED_PROTOCOL;
if ((method->flags & SSL_METHOD_NO_SUITEB) != 0 && tls1_suiteb(s))
return SSL_R_AT_LEAST_TLS_1_2_NEEDED_IN_SUITEB_MODE;
return 0;
}
static int is_tls13_capable(const SSL_CONNECTION *s)
{
size_t i;
int curve;
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
if (!ossl_assert(sctx != NULL) || !ossl_assert(s->session_ctx != NULL))
return 0;
if (sctx->ext.servername_cb != NULL
|| s->session_ctx->ext.servername_cb != NULL)
return 1;
#ifndef OPENSSL_NO_PSK
if (s->psk_server_callback != NULL)
return 1;
#endif
if (s->psk_find_session_cb != NULL || s->cert->cert_cb != NULL)
return 1;
for (i = 0; i < s->ssl_pkey_num; i++) {
switch (i) {
case SSL_PKEY_DSA_SIGN:
case SSL_PKEY_GOST01:
case SSL_PKEY_GOST12_256:
case SSL_PKEY_GOST12_512:
continue;
default:
break;
}
if (!ssl_has_cert(s, i))
continue;
if (i != SSL_PKEY_ECC)
return 1;
curve = ssl_get_EC_curve_nid(s->cert->pkeys[SSL_PKEY_ECC].privatekey);
if (tls_check_sigalg_curve(s, curve))
return 1;
}
return 0;
}
int ssl_version_supported(const SSL_CONNECTION *s, int version,
const SSL_METHOD **meth)
{
const version_info *vent;
const version_info *table;
switch (SSL_CONNECTION_GET_SSL(s)->method->version) {
default:
return ssl_version_cmp(s, version, s->version) == 0;
case TLS_ANY_VERSION:
table = tls_version_table;
break;
case DTLS_ANY_VERSION:
table = dtls_version_table;
break;
}
for (vent = table;
vent->version != 0 && ssl_version_cmp(s, version, vent->version) <= 0;
++vent) {
const SSL_METHOD *(*thismeth)(void) = s->server ? vent->smeth
: vent->cmeth;
if (thismeth != NULL
&& ssl_version_cmp(s, version, vent->version) == 0
&& ssl_method_error(s, thismeth()) == 0
&& (!s->server
|| version != TLS1_3_VERSION
|| is_tls13_capable(s))) {
if (meth != NULL)
*meth = thismeth();
return 1;
}
}
return 0;
}
int ssl_check_version_downgrade(SSL_CONNECTION *s)
{
const version_info *vent;
const version_info *table;
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
if (s->version == ssl->defltmeth->version)
return 1;
if (ssl->defltmeth->version == TLS_method()->version)
table = tls_version_table;
else if (ssl->defltmeth->version == DTLS_method()->version)
table = dtls_version_table;
else {
return 0;
}
for (vent = table; vent->version != 0; ++vent) {
if (vent->smeth != NULL && ssl_method_error(s, vent->smeth()) == 0)
return s->version == vent->version;
}
return 0;
}
int ssl_set_version_bound(int method_version, int version, int *bound)
{
int valid_tls;
int valid_dtls;
if (version == 0) {
*bound = version;
return 1;
}
valid_tls = version >= SSL3_VERSION && version <= TLS_MAX_VERSION_INTERNAL;
valid_dtls =
(version == DTLS1_BAD_VER)
|| (DTLS_VERSION_LE(version, DTLS_MAX_VERSION_INTERNAL)
&& DTLS_VERSION_GE(version, DTLS1_VERSION));
if (!valid_tls && !valid_dtls)
return 0;
switch (method_version) {
default:
break;
case TLS_ANY_VERSION:
if (valid_tls)
*bound = version;
break;
case DTLS_ANY_VERSION:
if (valid_dtls)
*bound = version;
break;
}
return 1;
}
static void check_for_downgrade(SSL_CONNECTION *s, int vers, DOWNGRADE *dgrd)
{
if (vers == TLS1_2_VERSION
&& ssl_version_supported(s, TLS1_3_VERSION, NULL)) {
*dgrd = DOWNGRADE_TO_1_2;
} else if (!SSL_CONNECTION_IS_DTLS(s)
&& vers < TLS1_2_VERSION
&& ssl_version_supported(s, TLS1_2_VERSION, NULL)) {
*dgrd = DOWNGRADE_TO_1_1;
} else {
*dgrd = DOWNGRADE_NONE;
}
}
int ssl_choose_server_version(SSL_CONNECTION *s, CLIENTHELLO_MSG *hello,
DOWNGRADE *dgrd)
{
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
int server_version = ssl->method->version;
int client_version = hello->legacy_version;
const version_info *vent;
const version_info *table;
int disabled = 0;
RAW_EXTENSION *suppversions;
s->client_version = client_version;
switch (server_version) {
default:
if (!SSL_CONNECTION_IS_TLS13(s)) {
if (ssl_version_cmp(s, client_version, s->version) < 0)
return SSL_R_WRONG_SSL_VERSION;
*dgrd = DOWNGRADE_NONE;
return 0;
}
case TLS_ANY_VERSION:
table = tls_version_table;
break;
case DTLS_ANY_VERSION:
table = dtls_version_table;
break;
}
suppversions = &hello->pre_proc_exts[TLSEXT_IDX_supported_versions];
if (!suppversions->present && s->hello_retry_request != SSL_HRR_NONE)
return SSL_R_UNSUPPORTED_PROTOCOL;
if (suppversions->present && !SSL_CONNECTION_IS_DTLS(s)) {
unsigned int candidate_vers = 0;
unsigned int best_vers = 0;
const SSL_METHOD *best_method = NULL;
PACKET versionslist;
suppversions->parsed = 1;
if (!PACKET_as_length_prefixed_1(&suppversions->data, &versionslist)) {
return SSL_R_LENGTH_MISMATCH;
}
if (client_version <= SSL3_VERSION)
return SSL_R_BAD_LEGACY_VERSION;
while (PACKET_get_net_2(&versionslist, &candidate_vers)) {
if (ssl_version_cmp(s, candidate_vers, best_vers) <= 0)
continue;
if (ssl_version_supported(s, candidate_vers, &best_method))
best_vers = candidate_vers;
}
if (PACKET_remaining(&versionslist) != 0) {
return SSL_R_LENGTH_MISMATCH;
}
if (best_vers > 0) {
if (s->hello_retry_request != SSL_HRR_NONE) {
if (best_vers != TLS1_3_VERSION)
return SSL_R_UNSUPPORTED_PROTOCOL;
return 0;
}
check_for_downgrade(s, best_vers, dgrd);
s->version = best_vers;
ssl->method = best_method;
if (!ssl_set_record_protocol_version(s, best_vers))
return ERR_R_INTERNAL_ERROR;
return 0;
}
return SSL_R_UNSUPPORTED_PROTOCOL;
}
if (ssl_version_cmp(s, client_version, TLS1_3_VERSION) >= 0)
client_version = TLS1_2_VERSION;
for (vent = table; vent->version != 0; ++vent) {
const SSL_METHOD *method;
if (vent->smeth == NULL ||
ssl_version_cmp(s, client_version, vent->version) < 0)
continue;
method = vent->smeth();
if (ssl_method_error(s, method) == 0) {
check_for_downgrade(s, vent->version, dgrd);
s->version = vent->version;
ssl->method = method;
if (!ssl_set_record_protocol_version(s, s->version))
return ERR_R_INTERNAL_ERROR;
return 0;
}
disabled = 1;
}
return disabled ? SSL_R_UNSUPPORTED_PROTOCOL : SSL_R_VERSION_TOO_LOW;
}
int ssl_choose_client_version(SSL_CONNECTION *s, int version,
RAW_EXTENSION *extensions)
{
const version_info *vent;
const version_info *table;
int ret, ver_min, ver_max, real_max, origv;
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
origv = s->version;
s->version = version;
if (!tls_parse_extension(s, TLSEXT_IDX_supported_versions,
SSL_EXT_TLS1_2_SERVER_HELLO
| SSL_EXT_TLS1_3_SERVER_HELLO, extensions,
NULL, 0)) {
s->version = origv;
return 0;
}
if (s->hello_retry_request != SSL_HRR_NONE
&& s->version != TLS1_3_VERSION) {
s->version = origv;
SSLfatal(s, SSL_AD_PROTOCOL_VERSION, SSL_R_WRONG_SSL_VERSION);
return 0;
}
switch (ssl->method->version) {
default:
if (s->version != ssl->method->version) {
s->version = origv;
SSLfatal(s, SSL_AD_PROTOCOL_VERSION, SSL_R_WRONG_SSL_VERSION);
return 0;
}
if (!ssl_set_record_protocol_version(s, s->version)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
return 1;
case TLS_ANY_VERSION:
table = tls_version_table;
break;
case DTLS_ANY_VERSION:
table = dtls_version_table;
break;
}
ret = ssl_get_min_max_version(s, &ver_min, &ver_max, &real_max);
if (ret != 0) {
s->version = origv;
SSLfatal(s, SSL_AD_PROTOCOL_VERSION, ret);
return 0;
}
if (ssl_version_cmp(s, s->version, ver_min) < 0
|| ssl_version_cmp(s, s->version, ver_max) > 0) {
s->version = origv;
SSLfatal(s, SSL_AD_PROTOCOL_VERSION, SSL_R_UNSUPPORTED_PROTOCOL);
return 0;
}
if ((s->mode & SSL_MODE_SEND_FALLBACK_SCSV) == 0)
real_max = ver_max;
if (s->version == TLS1_2_VERSION && real_max > s->version) {
if (memcmp(tls12downgrade,
s->s3.server_random + SSL3_RANDOM_SIZE
- sizeof(tls12downgrade),
sizeof(tls12downgrade)) == 0) {
s->version = origv;
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER,
SSL_R_INAPPROPRIATE_FALLBACK);
return 0;
}
} else if (!SSL_CONNECTION_IS_DTLS(s)
&& s->version < TLS1_2_VERSION
&& real_max > s->version) {
if (memcmp(tls11downgrade,
s->s3.server_random + SSL3_RANDOM_SIZE
- sizeof(tls11downgrade),
sizeof(tls11downgrade)) == 0) {
s->version = origv;
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER,
SSL_R_INAPPROPRIATE_FALLBACK);
return 0;
}
}
for (vent = table; vent->version != 0; ++vent) {
if (vent->cmeth == NULL || s->version != vent->version)
continue;
ssl->method = vent->cmeth();
if (!ssl_set_record_protocol_version(s, s->version)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
return 1;
}
s->version = origv;
SSLfatal(s, SSL_AD_PROTOCOL_VERSION, SSL_R_UNSUPPORTED_PROTOCOL);
return 0;
}
int ssl_get_min_max_version(const SSL_CONNECTION *s, int *min_version,
int *max_version, int *real_max)
{
int version, tmp_real_max;
int hole;
const SSL_METHOD *method;
const version_info *table;
const version_info *vent;
const SSL *ssl = SSL_CONNECTION_GET_SSL(s);
switch (ssl->method->version) {
default:
*min_version = *max_version = s->version;
if (!ossl_assert(real_max == NULL))
return ERR_R_INTERNAL_ERROR;
return 0;
case TLS_ANY_VERSION:
table = tls_version_table;
break;
case DTLS_ANY_VERSION:
table = dtls_version_table;
break;
}
*min_version = version = 0;
hole = 1;
if (real_max != NULL)
*real_max = 0;
tmp_real_max = 0;
for (vent = table; vent->version != 0; ++vent) {
if (vent->cmeth == NULL) {
hole = 1;
tmp_real_max = 0;
continue;
}
method = vent->cmeth();
if (hole == 1 && tmp_real_max == 0)
tmp_real_max = vent->version;
if (ssl_method_error(s, method) != 0) {
hole = 1;
} else if (!hole) {
*min_version = method->version;
} else {
if (real_max != NULL && tmp_real_max != 0)
*real_max = tmp_real_max;
version = method->version;
*min_version = version;
hole = 0;
}
}
*max_version = version;
if (version == 0)
return SSL_R_NO_PROTOCOLS_AVAILABLE;
return 0;
}
int ssl_set_client_hello_version(SSL_CONNECTION *s)
{
int ver_min, ver_max, ret;
if (!SSL_IS_FIRST_HANDSHAKE(s))
return 0;
ret = ssl_get_min_max_version(s, &ver_min, &ver_max, NULL);
if (ret != 0)
return ret;
s->version = ver_max;
if (SSL_CONNECTION_IS_DTLS(s)) {
if (ver_max == DTLS1_BAD_VER) {
if (!ssl_set_record_protocol_version(s, ver_max))
return 0;
}
} else if (ver_max > TLS1_2_VERSION) {
ver_max = TLS1_2_VERSION;
}
s->client_version = ver_max;
return 0;
}
int check_in_list(SSL_CONNECTION *s, uint16_t group_id, const uint16_t *groups,
size_t num_groups, int checkallow)
{
size_t i;
if (groups == NULL || num_groups == 0)
return 0;
for (i = 0; i < num_groups; i++) {
uint16_t group = groups[i];
if (group_id == group
&& (!checkallow
|| tls_group_allowed(s, group, SSL_SECOP_CURVE_CHECK))) {
return 1;
}
}
return 0;
}
int create_synthetic_message_hash(SSL_CONNECTION *s,
const unsigned char *hashval,
size_t hashlen, const unsigned char *hrr,
size_t hrrlen)
{
unsigned char hashvaltmp[EVP_MAX_MD_SIZE];
unsigned char msghdr[SSL3_HM_HEADER_LENGTH];
memset(msghdr, 0, sizeof(msghdr));
if (hashval == NULL) {
hashval = hashvaltmp;
hashlen = 0;
if (!ssl3_digest_cached_records(s, 0)
|| !ssl_handshake_hash(s, hashvaltmp, sizeof(hashvaltmp),
&hashlen)) {
return 0;
}
}
if (!ssl3_init_finished_mac(s)) {
return 0;
}
msghdr[0] = SSL3_MT_MESSAGE_HASH;
msghdr[SSL3_HM_HEADER_LENGTH - 1] = (unsigned char)hashlen;
if (!ssl3_finish_mac(s, msghdr, SSL3_HM_HEADER_LENGTH)
|| !ssl3_finish_mac(s, hashval, hashlen)) {
return 0;
}
if (hrr != NULL
&& (!ssl3_finish_mac(s, hrr, hrrlen)
|| !ssl3_finish_mac(s, (unsigned char *)s->init_buf->data,
s->s3.tmp.message_size
+ SSL3_HM_HEADER_LENGTH))) {
return 0;
}
return 1;
}
static int ca_dn_cmp(const X509_NAME *const *a, const X509_NAME *const *b)
{
return X509_NAME_cmp(*a, *b);
}
int parse_ca_names(SSL_CONNECTION *s, PACKET *pkt)
{
STACK_OF(X509_NAME) *ca_sk = sk_X509_NAME_new(ca_dn_cmp);
X509_NAME *xn = NULL;
PACKET cadns;
if (ca_sk == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CRYPTO_LIB);
goto err;
}
if (!PACKET_get_length_prefixed_2(pkt, &cadns)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
goto err;
}
while (PACKET_remaining(&cadns)) {
const unsigned char *namestart, *namebytes;
unsigned int name_len;
if (!PACKET_get_net_2(&cadns, &name_len)
|| !PACKET_get_bytes(&cadns, &namebytes, name_len)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
goto err;
}
namestart = namebytes;
if ((xn = d2i_X509_NAME(NULL, &namebytes, name_len)) == NULL) {
SSLfatal(s, SSL_AD_DECODE_ERROR, ERR_R_ASN1_LIB);
goto err;
}
if (namebytes != (namestart + name_len)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_CA_DN_LENGTH_MISMATCH);
goto err;
}
if (!sk_X509_NAME_push(ca_sk, xn)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CRYPTO_LIB);
goto err;
}
xn = NULL;
}
sk_X509_NAME_pop_free(s->s3.tmp.peer_ca_names, X509_NAME_free);
s->s3.tmp.peer_ca_names = ca_sk;
return 1;
err:
sk_X509_NAME_pop_free(ca_sk, X509_NAME_free);
X509_NAME_free(xn);
return 0;
}
const STACK_OF(X509_NAME) *get_ca_names(SSL_CONNECTION *s)
{
const STACK_OF(X509_NAME) *ca_sk = NULL;
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
if (s->server) {
ca_sk = SSL_get_client_CA_list(ssl);
if (ca_sk != NULL && sk_X509_NAME_num(ca_sk) == 0)
ca_sk = NULL;
}
if (ca_sk == NULL)
ca_sk = SSL_get0_CA_list(ssl);
return ca_sk;
}
int construct_ca_names(SSL_CONNECTION *s, const STACK_OF(X509_NAME) *ca_sk,
WPACKET *pkt)
{
if (!WPACKET_start_sub_packet_u16(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
if ((ca_sk != NULL) && !(s->options & SSL_OP_DISABLE_TLSEXT_CA_NAMES)) {
int i;
for (i = 0; i < sk_X509_NAME_num(ca_sk); i++) {
unsigned char *namebytes;
X509_NAME *name = sk_X509_NAME_value(ca_sk, i);
int namelen;
if (name == NULL
|| (namelen = i2d_X509_NAME(name, NULL)) < 0
|| !WPACKET_sub_allocate_bytes_u16(pkt, namelen,
&namebytes)
|| i2d_X509_NAME(name, &namebytes) != namelen) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
}
}
if (!WPACKET_close(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
return 1;
}
size_t construct_key_exchange_tbs(SSL_CONNECTION *s, unsigned char **ptbs,
const void *param, size_t paramlen)
{
size_t tbslen = 2 * SSL3_RANDOM_SIZE + paramlen;
unsigned char *tbs = OPENSSL_malloc(tbslen);
if (tbs == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CRYPTO_LIB);
return 0;
}
memcpy(tbs, s->s3.client_random, SSL3_RANDOM_SIZE);
memcpy(tbs + SSL3_RANDOM_SIZE, s->s3.server_random, SSL3_RANDOM_SIZE);
memcpy(tbs + SSL3_RANDOM_SIZE * 2, param, paramlen);
*ptbs = tbs;
return tbslen;
}
int tls13_save_handshake_digest_for_pha(SSL_CONNECTION *s)
{
if (s->pha_dgst == NULL) {
if (!ssl3_digest_cached_records(s, 1))
return 0;
s->pha_dgst = EVP_MD_CTX_new();
if (s->pha_dgst == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
if (!EVP_MD_CTX_copy_ex(s->pha_dgst,
s->s3.handshake_dgst)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
EVP_MD_CTX_free(s->pha_dgst);
s->pha_dgst = NULL;
return 0;
}
}
return 1;
}
int tls13_restore_handshake_digest_for_pha(SSL_CONNECTION *s)
{
if (s->pha_dgst == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
if (!EVP_MD_CTX_copy_ex(s->s3.handshake_dgst,
s->pha_dgst)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
return 1;
}
#ifndef OPENSSL_NO_COMP_ALG
MSG_PROCESS_RETURN tls13_process_compressed_certificate(SSL_CONNECTION *sc,
PACKET *pkt,
PACKET *tmppkt,
BUF_MEM *buf)
{
MSG_PROCESS_RETURN ret = MSG_PROCESS_ERROR;
int comp_alg;
COMP_METHOD *method = NULL;
COMP_CTX *comp = NULL;
size_t expected_length;
size_t comp_length;
int i;
int found = 0;
if (buf == NULL) {
SSLfatal(sc, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
if (!PACKET_get_net_2(pkt, (unsigned int*)&comp_alg)) {
SSLfatal(sc, SSL_AD_BAD_CERTIFICATE, ERR_R_INTERNAL_ERROR);
goto err;
}
if (sc->cert_comp_prefs[0] != TLSEXT_comp_cert_none) {
for (i = 0; sc->cert_comp_prefs[i] != TLSEXT_comp_cert_none; i++) {
if (sc->cert_comp_prefs[i] == comp_alg) {
found = 1;
break;
}
}
if (!found) {
SSLfatal(sc, SSL_AD_BAD_CERTIFICATE, SSL_R_BAD_COMPRESSION_ALGORITHM);
goto err;
}
}
if (!ossl_comp_has_alg(comp_alg)) {
SSLfatal(sc, SSL_AD_BAD_CERTIFICATE, SSL_R_BAD_COMPRESSION_ALGORITHM);
goto err;
}
switch (comp_alg) {
case TLSEXT_comp_cert_zlib:
method = COMP_zlib_oneshot();
break;
case TLSEXT_comp_cert_brotli:
method = COMP_brotli_oneshot();
break;
case TLSEXT_comp_cert_zstd:
method = COMP_zstd_oneshot();
break;
default:
SSLfatal(sc, SSL_AD_BAD_CERTIFICATE, SSL_R_BAD_COMPRESSION_ALGORITHM);
goto err;
}
if ((comp = COMP_CTX_new(method)) == NULL
|| !PACKET_get_net_3_len(pkt, &expected_length)
|| !PACKET_get_net_3_len(pkt, &comp_length)
|| PACKET_remaining(pkt) != comp_length
|| !BUF_MEM_grow(buf, expected_length)
|| !PACKET_buf_init(tmppkt, (unsigned char *)buf->data, expected_length)
|| COMP_expand_block(comp, (unsigned char *)buf->data, expected_length,
(unsigned char*)PACKET_data(pkt), comp_length) != (int)expected_length) {
SSLfatal(sc, SSL_AD_BAD_CERTIFICATE, SSL_R_BAD_DECOMPRESSION);
goto err;
}
ret = MSG_PROCESS_CONTINUE_PROCESSING;
err:
COMP_CTX_free(comp);
return ret;
}
#endif
| statem | openssl/ssl/statem/statem_lib.c | openssl |
#include <openssl/ct.h>
#include "../ssl_local.h"
#include "internal/cryptlib.h"
#include "statem_local.h"
typedef struct {
void *add_arg;
custom_ext_add_cb add_cb;
custom_ext_free_cb free_cb;
} custom_ext_add_cb_wrap;
typedef struct {
void *parse_arg;
custom_ext_parse_cb parse_cb;
} custom_ext_parse_cb_wrap;
static int custom_ext_add_old_cb_wrap(SSL *s, unsigned int ext_type,
unsigned int context,
const unsigned char **out,
size_t *outlen, X509 *x, size_t chainidx,
int *al, void *add_arg)
{
custom_ext_add_cb_wrap *add_cb_wrap = (custom_ext_add_cb_wrap *)add_arg;
if (add_cb_wrap->add_cb == NULL)
return 1;
return add_cb_wrap->add_cb(s, ext_type, out, outlen, al,
add_cb_wrap->add_arg);
}
static void custom_ext_free_old_cb_wrap(SSL *s, unsigned int ext_type,
unsigned int context,
const unsigned char *out, void *add_arg)
{
custom_ext_add_cb_wrap *add_cb_wrap = (custom_ext_add_cb_wrap *)add_arg;
if (add_cb_wrap->free_cb == NULL)
return;
add_cb_wrap->free_cb(s, ext_type, out, add_cb_wrap->add_arg);
}
static int custom_ext_parse_old_cb_wrap(SSL *s, unsigned int ext_type,
unsigned int context,
const unsigned char *in,
size_t inlen, X509 *x, size_t chainidx,
int *al, void *parse_arg)
{
custom_ext_parse_cb_wrap *parse_cb_wrap =
(custom_ext_parse_cb_wrap *)parse_arg;
if (parse_cb_wrap->parse_cb == NULL)
return 1;
return parse_cb_wrap->parse_cb(s, ext_type, in, inlen, al,
parse_cb_wrap->parse_arg);
}
custom_ext_method *custom_ext_find(const custom_ext_methods *exts,
ENDPOINT role, unsigned int ext_type,
size_t *idx)
{
size_t i;
custom_ext_method *meth = exts->meths;
for (i = 0; i < exts->meths_count; i++, meth++) {
if (ext_type == meth->ext_type
&& (role == ENDPOINT_BOTH || role == meth->role
|| meth->role == ENDPOINT_BOTH)) {
if (idx != NULL)
*idx = i;
return meth;
}
}
return NULL;
}
void custom_ext_init(custom_ext_methods *exts)
{
size_t i;
custom_ext_method *meth = exts->meths;
for (i = 0; i < exts->meths_count; i++, meth++)
meth->ext_flags = 0;
}
int custom_ext_parse(SSL_CONNECTION *s, unsigned int context,
unsigned int ext_type,
const unsigned char *ext_data, size_t ext_size, X509 *x,
size_t chainidx)
{
int al = 0;
custom_ext_methods *exts = &s->cert->custext;
custom_ext_method *meth;
ENDPOINT role = ENDPOINT_BOTH;
if ((context & (SSL_EXT_CLIENT_HELLO | SSL_EXT_TLS1_2_SERVER_HELLO)) != 0)
role = s->server ? ENDPOINT_SERVER : ENDPOINT_CLIENT;
meth = custom_ext_find(exts, role, ext_type, NULL);
if (!meth)
return 1;
if (!extension_is_relevant(s, meth->context, context))
return 1;
if ((context & (SSL_EXT_TLS1_2_SERVER_HELLO
| SSL_EXT_TLS1_3_SERVER_HELLO
| SSL_EXT_TLS1_3_ENCRYPTED_EXTENSIONS)) != 0) {
if ((meth->ext_flags & SSL_EXT_FLAG_SENT) == 0) {
SSLfatal(s, TLS1_AD_UNSUPPORTED_EXTENSION, SSL_R_BAD_EXTENSION);
return 0;
}
}
if ((context & (SSL_EXT_CLIENT_HELLO | SSL_EXT_TLS1_3_CERTIFICATE_REQUEST))
!= 0)
meth->ext_flags |= SSL_EXT_FLAG_RECEIVED;
if (meth->parse_cb == NULL)
return 1;
if (meth->parse_cb(SSL_CONNECTION_GET_SSL(s), ext_type, context, ext_data,
ext_size, x, chainidx, &al, meth->parse_arg) <= 0) {
SSLfatal(s, al, SSL_R_BAD_EXTENSION);
return 0;
}
return 1;
}
int custom_ext_add(SSL_CONNECTION *s, int context, WPACKET *pkt, X509 *x,
size_t chainidx, int maxversion)
{
custom_ext_methods *exts = &s->cert->custext;
custom_ext_method *meth;
size_t i;
int al;
int for_comp = (context & SSL_EXT_TLS1_3_CERTIFICATE_COMPRESSION) != 0;
for (i = 0; i < exts->meths_count; i++) {
const unsigned char *out = NULL;
size_t outlen = 0;
meth = exts->meths + i;
if (!should_add_extension(s, meth->context, context, maxversion))
continue;
if ((context & (SSL_EXT_TLS1_2_SERVER_HELLO
| SSL_EXT_TLS1_3_SERVER_HELLO
| SSL_EXT_TLS1_3_ENCRYPTED_EXTENSIONS
| SSL_EXT_TLS1_3_CERTIFICATE
| SSL_EXT_TLS1_3_RAW_PUBLIC_KEY
| SSL_EXT_TLS1_3_HELLO_RETRY_REQUEST)) != 0) {
if (!(meth->ext_flags & SSL_EXT_FLAG_RECEIVED))
continue;
}
if ((context & SSL_EXT_CLIENT_HELLO) == 0 && meth->add_cb == NULL)
continue;
if (meth->add_cb != NULL) {
int cb_retval = meth->add_cb(SSL_CONNECTION_GET_SSL(s),
meth->ext_type, context, &out,
&outlen, x, chainidx, &al,
meth->add_arg);
if (cb_retval < 0) {
if (!for_comp)
SSLfatal(s, al, SSL_R_CALLBACK_FAILED);
return 0;
}
if (cb_retval == 0)
continue;
}
if (!WPACKET_put_bytes_u16(pkt, meth->ext_type)
|| !WPACKET_start_sub_packet_u16(pkt)
|| (outlen > 0 && !WPACKET_memcpy(pkt, out, outlen))
|| !WPACKET_close(pkt)) {
if (meth->free_cb != NULL)
meth->free_cb(SSL_CONNECTION_GET_SSL(s), meth->ext_type, context,
out, meth->add_arg);
if (!for_comp)
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
if ((context & SSL_EXT_CLIENT_HELLO) != 0) {
if (!ossl_assert((meth->ext_flags & SSL_EXT_FLAG_SENT) == 0)) {
if (meth->free_cb != NULL)
meth->free_cb(SSL_CONNECTION_GET_SSL(s), meth->ext_type,
context, out, meth->add_arg);
if (!for_comp)
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
meth->ext_flags |= SSL_EXT_FLAG_SENT;
}
if (meth->free_cb != NULL)
meth->free_cb(SSL_CONNECTION_GET_SSL(s), meth->ext_type, context,
out, meth->add_arg);
}
return 1;
}
int custom_exts_copy_flags(custom_ext_methods *dst,
const custom_ext_methods *src)
{
size_t i;
custom_ext_method *methsrc = src->meths;
for (i = 0; i < src->meths_count; i++, methsrc++) {
custom_ext_method *methdst = custom_ext_find(dst, methsrc->role,
methsrc->ext_type, NULL);
if (methdst == NULL)
continue;
methdst->ext_flags = methsrc->ext_flags;
}
return 1;
}
int custom_exts_copy(custom_ext_methods *dst, const custom_ext_methods *src)
{
size_t i;
int err = 0;
if (src->meths_count > 0) {
dst->meths =
OPENSSL_memdup(src->meths,
sizeof(*src->meths) * src->meths_count);
if (dst->meths == NULL)
return 0;
dst->meths_count = src->meths_count;
for (i = 0; i < src->meths_count; i++) {
custom_ext_method *methsrc = src->meths + i;
custom_ext_method *methdst = dst->meths + i;
if (methsrc->add_cb != custom_ext_add_old_cb_wrap)
continue;
if (err) {
methdst->add_arg = NULL;
methdst->parse_arg = NULL;
continue;
}
methdst->add_arg = OPENSSL_memdup(methsrc->add_arg,
sizeof(custom_ext_add_cb_wrap));
methdst->parse_arg = OPENSSL_memdup(methsrc->parse_arg,
sizeof(custom_ext_parse_cb_wrap));
if (methdst->add_arg == NULL || methdst->parse_arg == NULL)
err = 1;
}
}
if (err) {
custom_exts_free(dst);
return 0;
}
return 1;
}
void custom_exts_free(custom_ext_methods *exts)
{
size_t i;
custom_ext_method *meth;
for (i = 0, meth = exts->meths; i < exts->meths_count; i++, meth++) {
if (meth->add_cb != custom_ext_add_old_cb_wrap)
continue;
OPENSSL_free(meth->add_arg);
OPENSSL_free(meth->parse_arg);
}
OPENSSL_free(exts->meths);
exts->meths = NULL;
exts->meths_count = 0;
}
int SSL_CTX_has_client_custom_ext(const SSL_CTX *ctx, unsigned int ext_type)
{
return custom_ext_find(&ctx->cert->custext, ENDPOINT_CLIENT, ext_type,
NULL) != NULL;
}
int ossl_tls_add_custom_ext_intern(SSL_CTX *ctx, custom_ext_methods *exts,
ENDPOINT role, unsigned int ext_type,
unsigned int context,
SSL_custom_ext_add_cb_ex add_cb,
SSL_custom_ext_free_cb_ex free_cb,
void *add_arg,
SSL_custom_ext_parse_cb_ex parse_cb,
void *parse_arg)
{
custom_ext_method *meth, *tmp;
if (add_cb == NULL && free_cb != NULL)
return 0;
if (exts == NULL)
exts = &ctx->cert->custext;
#ifndef OPENSSL_NO_CT
if (ext_type == TLSEXT_TYPE_signed_certificate_timestamp
&& (context & SSL_EXT_CLIENT_HELLO) != 0
&& ctx != NULL
&& SSL_CTX_ct_is_enabled(ctx))
return 0;
#endif
if (SSL_extension_supported(ext_type)
&& ext_type != TLSEXT_TYPE_signed_certificate_timestamp)
return 0;
if (ext_type > 0xffff)
return 0;
if (custom_ext_find(exts, role, ext_type, NULL))
return 0;
tmp = OPENSSL_realloc(exts->meths,
(exts->meths_count + 1) * sizeof(custom_ext_method));
if (tmp == NULL)
return 0;
exts->meths = tmp;
meth = exts->meths + exts->meths_count;
memset(meth, 0, sizeof(*meth));
meth->role = role;
meth->context = context;
meth->parse_cb = parse_cb;
meth->add_cb = add_cb;
meth->free_cb = free_cb;
meth->ext_type = ext_type;
meth->add_arg = add_arg;
meth->parse_arg = parse_arg;
exts->meths_count++;
return 1;
}
static int add_old_custom_ext(SSL_CTX *ctx, ENDPOINT role,
unsigned int ext_type,
unsigned int context,
custom_ext_add_cb add_cb,
custom_ext_free_cb free_cb,
void *add_arg,
custom_ext_parse_cb parse_cb, void *parse_arg)
{
custom_ext_add_cb_wrap *add_cb_wrap
= OPENSSL_malloc(sizeof(*add_cb_wrap));
custom_ext_parse_cb_wrap *parse_cb_wrap
= OPENSSL_malloc(sizeof(*parse_cb_wrap));
int ret;
if (add_cb_wrap == NULL || parse_cb_wrap == NULL) {
OPENSSL_free(add_cb_wrap);
OPENSSL_free(parse_cb_wrap);
return 0;
}
add_cb_wrap->add_arg = add_arg;
add_cb_wrap->add_cb = add_cb;
add_cb_wrap->free_cb = free_cb;
parse_cb_wrap->parse_arg = parse_arg;
parse_cb_wrap->parse_cb = parse_cb;
ret = ossl_tls_add_custom_ext_intern(ctx, NULL, role, ext_type,
context,
custom_ext_add_old_cb_wrap,
custom_ext_free_old_cb_wrap,
add_cb_wrap,
custom_ext_parse_old_cb_wrap,
parse_cb_wrap);
if (!ret) {
OPENSSL_free(add_cb_wrap);
OPENSSL_free(parse_cb_wrap);
}
return ret;
}
int SSL_CTX_add_client_custom_ext(SSL_CTX *ctx, unsigned int ext_type,
custom_ext_add_cb add_cb,
custom_ext_free_cb free_cb,
void *add_arg,
custom_ext_parse_cb parse_cb, void *parse_arg)
{
return add_old_custom_ext(ctx, ENDPOINT_CLIENT, ext_type,
SSL_EXT_TLS1_2_AND_BELOW_ONLY
| SSL_EXT_CLIENT_HELLO
| SSL_EXT_TLS1_2_SERVER_HELLO
| SSL_EXT_IGNORE_ON_RESUMPTION,
add_cb, free_cb, add_arg, parse_cb, parse_arg);
}
int SSL_CTX_add_server_custom_ext(SSL_CTX *ctx, unsigned int ext_type,
custom_ext_add_cb add_cb,
custom_ext_free_cb free_cb,
void *add_arg,
custom_ext_parse_cb parse_cb, void *parse_arg)
{
return add_old_custom_ext(ctx, ENDPOINT_SERVER, ext_type,
SSL_EXT_TLS1_2_AND_BELOW_ONLY
| SSL_EXT_CLIENT_HELLO
| SSL_EXT_TLS1_2_SERVER_HELLO
| SSL_EXT_IGNORE_ON_RESUMPTION,
add_cb, free_cb, add_arg, parse_cb, parse_arg);
}
int SSL_CTX_add_custom_ext(SSL_CTX *ctx, unsigned int ext_type,
unsigned int context,
SSL_custom_ext_add_cb_ex add_cb,
SSL_custom_ext_free_cb_ex free_cb,
void *add_arg,
SSL_custom_ext_parse_cb_ex parse_cb, void *parse_arg)
{
return ossl_tls_add_custom_ext_intern(ctx, NULL, ENDPOINT_BOTH, ext_type,
context, add_cb, free_cb, add_arg,
parse_cb, parse_arg);
}
int SSL_extension_supported(unsigned int ext_type)
{
switch (ext_type) {
case TLSEXT_TYPE_application_layer_protocol_negotiation:
case TLSEXT_TYPE_ec_point_formats:
case TLSEXT_TYPE_supported_groups:
case TLSEXT_TYPE_key_share:
#ifndef OPENSSL_NO_NEXTPROTONEG
case TLSEXT_TYPE_next_proto_neg:
#endif
case TLSEXT_TYPE_padding:
case TLSEXT_TYPE_renegotiate:
case TLSEXT_TYPE_max_fragment_length:
case TLSEXT_TYPE_server_name:
case TLSEXT_TYPE_session_ticket:
case TLSEXT_TYPE_signature_algorithms:
#ifndef OPENSSL_NO_SRP
case TLSEXT_TYPE_srp:
#endif
#ifndef OPENSSL_NO_OCSP
case TLSEXT_TYPE_status_request:
#endif
#ifndef OPENSSL_NO_CT
case TLSEXT_TYPE_signed_certificate_timestamp:
#endif
#ifndef OPENSSL_NO_SRTP
case TLSEXT_TYPE_use_srtp:
#endif
case TLSEXT_TYPE_encrypt_then_mac:
case TLSEXT_TYPE_supported_versions:
case TLSEXT_TYPE_extended_master_secret:
case TLSEXT_TYPE_psk_kex_modes:
case TLSEXT_TYPE_cookie:
case TLSEXT_TYPE_early_data:
case TLSEXT_TYPE_certificate_authorities:
case TLSEXT_TYPE_psk:
case TLSEXT_TYPE_post_handshake_auth:
case TLSEXT_TYPE_compress_certificate:
case TLSEXT_TYPE_client_cert_type:
case TLSEXT_TYPE_server_cert_type:
return 1;
default:
return 0;
}
}
| statem | openssl/ssl/statem/extensions_cust.c | openssl |
#if defined(__TANDEM) && defined(_SPT_MODEL_)
# include <spthread.h>
# include <spt_extensions.h>
#endif
#include <string.h>
#include "internal/nelem.h"
#include "internal/cryptlib.h"
#include "../ssl_local.h"
#include "statem_local.h"
static int final_renegotiate(SSL_CONNECTION *s, unsigned int context, int sent);
static int init_server_name(SSL_CONNECTION *s, unsigned int context);
static int final_server_name(SSL_CONNECTION *s, unsigned int context, int sent);
static int final_ec_pt_formats(SSL_CONNECTION *s, unsigned int context,
int sent);
static int init_session_ticket(SSL_CONNECTION *s, unsigned int context);
#ifndef OPENSSL_NO_OCSP
static int init_status_request(SSL_CONNECTION *s, unsigned int context);
#endif
#ifndef OPENSSL_NO_NEXTPROTONEG
static int init_npn(SSL_CONNECTION *s, unsigned int context);
#endif
static int init_alpn(SSL_CONNECTION *s, unsigned int context);
static int final_alpn(SSL_CONNECTION *s, unsigned int context, int sent);
static int init_sig_algs_cert(SSL_CONNECTION *s, unsigned int context);
static int init_sig_algs(SSL_CONNECTION *s, unsigned int context);
static int init_server_cert_type(SSL_CONNECTION *sc, unsigned int context);
static int init_client_cert_type(SSL_CONNECTION *sc, unsigned int context);
static int init_certificate_authorities(SSL_CONNECTION *s,
unsigned int context);
static EXT_RETURN tls_construct_certificate_authorities(SSL_CONNECTION *s,
WPACKET *pkt,
unsigned int context,
X509 *x,
size_t chainidx);
static int tls_parse_certificate_authorities(SSL_CONNECTION *s, PACKET *pkt,
unsigned int context, X509 *x,
size_t chainidx);
#ifndef OPENSSL_NO_SRP
static int init_srp(SSL_CONNECTION *s, unsigned int context);
#endif
static int init_ec_point_formats(SSL_CONNECTION *s, unsigned int context);
static int init_etm(SSL_CONNECTION *s, unsigned int context);
static int init_ems(SSL_CONNECTION *s, unsigned int context);
static int final_ems(SSL_CONNECTION *s, unsigned int context, int sent);
static int init_psk_kex_modes(SSL_CONNECTION *s, unsigned int context);
static int final_key_share(SSL_CONNECTION *s, unsigned int context, int sent);
#ifndef OPENSSL_NO_SRTP
static int init_srtp(SSL_CONNECTION *s, unsigned int context);
#endif
static int final_sig_algs(SSL_CONNECTION *s, unsigned int context, int sent);
static int final_early_data(SSL_CONNECTION *s, unsigned int context, int sent);
static int final_maxfragmentlen(SSL_CONNECTION *s, unsigned int context,
int sent);
static int init_post_handshake_auth(SSL_CONNECTION *s, unsigned int context);
static int final_psk(SSL_CONNECTION *s, unsigned int context, int sent);
static int tls_init_compress_certificate(SSL_CONNECTION *sc, unsigned int context);
static EXT_RETURN tls_construct_compress_certificate(SSL_CONNECTION *sc, WPACKET *pkt,
unsigned int context,
X509 *x, size_t chainidx);
static int tls_parse_compress_certificate(SSL_CONNECTION *sc, PACKET *pkt,
unsigned int context,
X509 *x, size_t chainidx);
typedef struct extensions_definition_st {
unsigned int type;
unsigned int context;
int (*init)(SSL_CONNECTION *s, unsigned int context);
int (*parse_ctos)(SSL_CONNECTION *s, PACKET *pkt, unsigned int context,
X509 *x, size_t chainidx);
int (*parse_stoc)(SSL_CONNECTION *s, PACKET *pkt, unsigned int context,
X509 *x, size_t chainidx);
EXT_RETURN (*construct_stoc)(SSL_CONNECTION *s, WPACKET *pkt,
unsigned int context,
X509 *x, size_t chainidx);
EXT_RETURN (*construct_ctos)(SSL_CONNECTION *s, WPACKET *pkt,
unsigned int context,
X509 *x, size_t chainidx);
int (*final)(SSL_CONNECTION *s, unsigned int context, int sent);
} EXTENSION_DEFINITION;
#define INVALID_EXTENSION { TLSEXT_TYPE_invalid, 0, NULL, NULL, NULL, NULL, NULL, NULL }
static const EXTENSION_DEFINITION ext_defs[] = {
{
TLSEXT_TYPE_renegotiate,
SSL_EXT_CLIENT_HELLO | SSL_EXT_TLS1_2_SERVER_HELLO
| SSL_EXT_SSL3_ALLOWED | SSL_EXT_TLS1_2_AND_BELOW_ONLY,
NULL, tls_parse_ctos_renegotiate, tls_parse_stoc_renegotiate,
tls_construct_stoc_renegotiate, tls_construct_ctos_renegotiate,
final_renegotiate
},
{
TLSEXT_TYPE_server_name,
SSL_EXT_CLIENT_HELLO | SSL_EXT_TLS1_2_SERVER_HELLO
| SSL_EXT_TLS1_3_ENCRYPTED_EXTENSIONS,
init_server_name,
tls_parse_ctos_server_name, tls_parse_stoc_server_name,
tls_construct_stoc_server_name, tls_construct_ctos_server_name,
final_server_name
},
{
TLSEXT_TYPE_max_fragment_length,
SSL_EXT_CLIENT_HELLO | SSL_EXT_TLS1_2_SERVER_HELLO
| SSL_EXT_TLS1_3_ENCRYPTED_EXTENSIONS,
NULL, tls_parse_ctos_maxfragmentlen, tls_parse_stoc_maxfragmentlen,
tls_construct_stoc_maxfragmentlen, tls_construct_ctos_maxfragmentlen,
final_maxfragmentlen
},
#ifndef OPENSSL_NO_SRP
{
TLSEXT_TYPE_srp,
SSL_EXT_CLIENT_HELLO | SSL_EXT_TLS1_2_AND_BELOW_ONLY,
init_srp, tls_parse_ctos_srp, NULL, NULL, tls_construct_ctos_srp, NULL
},
#else
INVALID_EXTENSION,
#endif
{
TLSEXT_TYPE_ec_point_formats,
SSL_EXT_CLIENT_HELLO | SSL_EXT_TLS1_2_SERVER_HELLO
| SSL_EXT_TLS1_2_AND_BELOW_ONLY,
init_ec_point_formats, tls_parse_ctos_ec_pt_formats, tls_parse_stoc_ec_pt_formats,
tls_construct_stoc_ec_pt_formats, tls_construct_ctos_ec_pt_formats,
final_ec_pt_formats
},
{
TLSEXT_TYPE_supported_groups,
SSL_EXT_CLIENT_HELLO | SSL_EXT_TLS1_3_ENCRYPTED_EXTENSIONS
| SSL_EXT_TLS1_2_SERVER_HELLO,
NULL, tls_parse_ctos_supported_groups, NULL,
tls_construct_stoc_supported_groups,
tls_construct_ctos_supported_groups, NULL
},
{
TLSEXT_TYPE_session_ticket,
SSL_EXT_CLIENT_HELLO | SSL_EXT_TLS1_2_SERVER_HELLO
| SSL_EXT_TLS1_2_AND_BELOW_ONLY,
init_session_ticket, tls_parse_ctos_session_ticket,
tls_parse_stoc_session_ticket, tls_construct_stoc_session_ticket,
tls_construct_ctos_session_ticket, NULL
},
#ifndef OPENSSL_NO_OCSP
{
TLSEXT_TYPE_status_request,
SSL_EXT_CLIENT_HELLO | SSL_EXT_TLS1_2_SERVER_HELLO
| SSL_EXT_TLS1_3_CERTIFICATE | SSL_EXT_TLS1_3_CERTIFICATE_REQUEST,
init_status_request, tls_parse_ctos_status_request,
tls_parse_stoc_status_request, tls_construct_stoc_status_request,
tls_construct_ctos_status_request, NULL
},
#else
INVALID_EXTENSION,
#endif
#ifndef OPENSSL_NO_NEXTPROTONEG
{
TLSEXT_TYPE_next_proto_neg,
SSL_EXT_CLIENT_HELLO | SSL_EXT_TLS1_2_SERVER_HELLO
| SSL_EXT_TLS1_2_AND_BELOW_ONLY,
init_npn, tls_parse_ctos_npn, tls_parse_stoc_npn,
tls_construct_stoc_next_proto_neg, tls_construct_ctos_npn, NULL
},
#else
INVALID_EXTENSION,
#endif
{
TLSEXT_TYPE_application_layer_protocol_negotiation,
SSL_EXT_CLIENT_HELLO | SSL_EXT_TLS1_2_SERVER_HELLO
| SSL_EXT_TLS1_3_ENCRYPTED_EXTENSIONS,
init_alpn, tls_parse_ctos_alpn, tls_parse_stoc_alpn,
tls_construct_stoc_alpn, tls_construct_ctos_alpn, final_alpn
},
#ifndef OPENSSL_NO_SRTP
{
TLSEXT_TYPE_use_srtp,
SSL_EXT_CLIENT_HELLO | SSL_EXT_TLS1_2_SERVER_HELLO
| SSL_EXT_TLS1_3_ENCRYPTED_EXTENSIONS | SSL_EXT_DTLS_ONLY,
init_srtp, tls_parse_ctos_use_srtp, tls_parse_stoc_use_srtp,
tls_construct_stoc_use_srtp, tls_construct_ctos_use_srtp, NULL
},
#else
INVALID_EXTENSION,
#endif
{
TLSEXT_TYPE_encrypt_then_mac,
SSL_EXT_CLIENT_HELLO | SSL_EXT_TLS1_2_SERVER_HELLO
| SSL_EXT_TLS1_2_AND_BELOW_ONLY,
init_etm, tls_parse_ctos_etm, tls_parse_stoc_etm,
tls_construct_stoc_etm, tls_construct_ctos_etm, NULL
},
#ifndef OPENSSL_NO_CT
{
TLSEXT_TYPE_signed_certificate_timestamp,
SSL_EXT_CLIENT_HELLO | SSL_EXT_TLS1_2_SERVER_HELLO
| SSL_EXT_TLS1_3_CERTIFICATE | SSL_EXT_TLS1_3_CERTIFICATE_REQUEST,
NULL,
NULL, tls_parse_stoc_sct, NULL, tls_construct_ctos_sct, NULL
},
#else
INVALID_EXTENSION,
#endif
{
TLSEXT_TYPE_extended_master_secret,
SSL_EXT_CLIENT_HELLO | SSL_EXT_TLS1_2_SERVER_HELLO
| SSL_EXT_TLS1_2_AND_BELOW_ONLY,
init_ems, tls_parse_ctos_ems, tls_parse_stoc_ems,
tls_construct_stoc_ems, tls_construct_ctos_ems, final_ems
},
{
TLSEXT_TYPE_signature_algorithms_cert,
SSL_EXT_CLIENT_HELLO | SSL_EXT_TLS1_3_CERTIFICATE_REQUEST,
init_sig_algs_cert, tls_parse_ctos_sig_algs_cert,
tls_parse_ctos_sig_algs_cert,
NULL, NULL, NULL
},
{
TLSEXT_TYPE_post_handshake_auth,
SSL_EXT_CLIENT_HELLO | SSL_EXT_TLS1_3_ONLY,
init_post_handshake_auth,
tls_parse_ctos_post_handshake_auth, NULL,
NULL, tls_construct_ctos_post_handshake_auth,
NULL,
},
{
TLSEXT_TYPE_client_cert_type,
SSL_EXT_CLIENT_HELLO | SSL_EXT_TLS1_3_ENCRYPTED_EXTENSIONS
| SSL_EXT_TLS1_2_SERVER_HELLO,
init_client_cert_type,
tls_parse_ctos_client_cert_type, tls_parse_stoc_client_cert_type,
tls_construct_stoc_client_cert_type, tls_construct_ctos_client_cert_type,
NULL
},
{
TLSEXT_TYPE_server_cert_type,
SSL_EXT_CLIENT_HELLO | SSL_EXT_TLS1_3_ENCRYPTED_EXTENSIONS
| SSL_EXT_TLS1_2_SERVER_HELLO,
init_server_cert_type,
tls_parse_ctos_server_cert_type, tls_parse_stoc_server_cert_type,
tls_construct_stoc_server_cert_type, tls_construct_ctos_server_cert_type,
NULL
},
{
TLSEXT_TYPE_signature_algorithms,
SSL_EXT_CLIENT_HELLO | SSL_EXT_TLS1_3_CERTIFICATE_REQUEST,
init_sig_algs, tls_parse_ctos_sig_algs,
tls_parse_ctos_sig_algs, tls_construct_ctos_sig_algs,
tls_construct_ctos_sig_algs, final_sig_algs
},
{
TLSEXT_TYPE_supported_versions,
SSL_EXT_CLIENT_HELLO | SSL_EXT_TLS1_3_SERVER_HELLO
| SSL_EXT_TLS1_3_HELLO_RETRY_REQUEST | SSL_EXT_TLS_IMPLEMENTATION_ONLY,
NULL,
NULL, tls_parse_stoc_supported_versions,
tls_construct_stoc_supported_versions,
tls_construct_ctos_supported_versions, NULL
},
{
TLSEXT_TYPE_psk_kex_modes,
SSL_EXT_CLIENT_HELLO | SSL_EXT_TLS_IMPLEMENTATION_ONLY
| SSL_EXT_TLS1_3_ONLY,
init_psk_kex_modes, tls_parse_ctos_psk_kex_modes, NULL, NULL,
tls_construct_ctos_psk_kex_modes, NULL
},
{
TLSEXT_TYPE_key_share,
SSL_EXT_CLIENT_HELLO | SSL_EXT_TLS1_3_SERVER_HELLO
| SSL_EXT_TLS1_3_HELLO_RETRY_REQUEST | SSL_EXT_TLS_IMPLEMENTATION_ONLY
| SSL_EXT_TLS1_3_ONLY,
NULL, tls_parse_ctos_key_share, tls_parse_stoc_key_share,
tls_construct_stoc_key_share, tls_construct_ctos_key_share,
final_key_share
},
{
TLSEXT_TYPE_cookie,
SSL_EXT_CLIENT_HELLO | SSL_EXT_TLS1_3_HELLO_RETRY_REQUEST
| SSL_EXT_TLS_IMPLEMENTATION_ONLY | SSL_EXT_TLS1_3_ONLY,
NULL, tls_parse_ctos_cookie, tls_parse_stoc_cookie,
tls_construct_stoc_cookie, tls_construct_ctos_cookie, NULL
},
{
TLSEXT_TYPE_cryptopro_bug,
SSL_EXT_CLIENT_HELLO | SSL_EXT_TLS1_2_SERVER_HELLO
| SSL_EXT_TLS1_2_AND_BELOW_ONLY,
NULL, NULL, NULL, tls_construct_stoc_cryptopro_bug, NULL, NULL
},
{
TLSEXT_TYPE_compress_certificate,
SSL_EXT_CLIENT_HELLO | SSL_EXT_TLS1_3_CERTIFICATE_REQUEST
| SSL_EXT_TLS_IMPLEMENTATION_ONLY | SSL_EXT_TLS1_3_ONLY,
tls_init_compress_certificate,
tls_parse_compress_certificate, tls_parse_compress_certificate,
tls_construct_compress_certificate, tls_construct_compress_certificate,
NULL
},
{
TLSEXT_TYPE_early_data,
SSL_EXT_CLIENT_HELLO | SSL_EXT_TLS1_3_ENCRYPTED_EXTENSIONS
| SSL_EXT_TLS1_3_NEW_SESSION_TICKET | SSL_EXT_TLS1_3_ONLY,
NULL, tls_parse_ctos_early_data, tls_parse_stoc_early_data,
tls_construct_stoc_early_data, tls_construct_ctos_early_data,
final_early_data
},
{
TLSEXT_TYPE_certificate_authorities,
SSL_EXT_CLIENT_HELLO | SSL_EXT_TLS1_3_CERTIFICATE_REQUEST
| SSL_EXT_TLS1_3_ONLY,
init_certificate_authorities,
tls_parse_certificate_authorities, tls_parse_certificate_authorities,
tls_construct_certificate_authorities,
tls_construct_certificate_authorities, NULL,
},
{
TLSEXT_TYPE_padding,
SSL_EXT_CLIENT_HELLO,
NULL,
NULL, NULL, NULL, tls_construct_ctos_padding, NULL
},
{
TLSEXT_TYPE_psk,
SSL_EXT_CLIENT_HELLO | SSL_EXT_TLS1_3_SERVER_HELLO
| SSL_EXT_TLS_IMPLEMENTATION_ONLY | SSL_EXT_TLS1_3_ONLY,
NULL, tls_parse_ctos_psk, tls_parse_stoc_psk, tls_construct_stoc_psk,
tls_construct_ctos_psk, final_psk
}
};
unsigned int ossl_get_extension_type(size_t idx)
{
size_t num_exts = OSSL_NELEM(ext_defs);
if (idx >= num_exts)
return TLSEXT_TYPE_out_of_range;
return ext_defs[idx].type;
}
static int validate_context(SSL_CONNECTION *s, unsigned int extctx,
unsigned int thisctx)
{
if ((thisctx & extctx) == 0)
return 0;
if (SSL_CONNECTION_IS_DTLS(s)) {
if ((extctx & SSL_EXT_TLS_ONLY) != 0)
return 0;
} else if ((extctx & SSL_EXT_DTLS_ONLY) != 0) {
return 0;
}
return 1;
}
int tls_validate_all_contexts(SSL_CONNECTION *s, unsigned int thisctx,
RAW_EXTENSION *exts)
{
size_t i, num_exts, builtin_num = OSSL_NELEM(ext_defs), offset;
RAW_EXTENSION *thisext;
unsigned int context;
ENDPOINT role = ENDPOINT_BOTH;
if ((thisctx & SSL_EXT_CLIENT_HELLO) != 0)
role = ENDPOINT_SERVER;
else if ((thisctx & SSL_EXT_TLS1_2_SERVER_HELLO) != 0)
role = ENDPOINT_CLIENT;
num_exts = builtin_num + s->cert->custext.meths_count;
for (thisext = exts, i = 0; i < num_exts; i++, thisext++) {
if (!thisext->present)
continue;
if (i < builtin_num) {
context = ext_defs[i].context;
} else {
custom_ext_method *meth = NULL;
meth = custom_ext_find(&s->cert->custext, role, thisext->type,
&offset);
if (!ossl_assert(meth != NULL))
return 0;
context = meth->context;
}
if (!validate_context(s, context, thisctx))
return 0;
}
return 1;
}
static int verify_extension(SSL_CONNECTION *s, unsigned int context,
unsigned int type, custom_ext_methods *meths,
RAW_EXTENSION *rawexlist, RAW_EXTENSION **found)
{
size_t i;
size_t builtin_num = OSSL_NELEM(ext_defs);
const EXTENSION_DEFINITION *thisext;
for (i = 0, thisext = ext_defs; i < builtin_num; i++, thisext++) {
if (type == thisext->type) {
if (!validate_context(s, thisext->context, context))
return 0;
*found = &rawexlist[i];
return 1;
}
}
if (meths != NULL) {
size_t offset = 0;
ENDPOINT role = ENDPOINT_BOTH;
custom_ext_method *meth = NULL;
if ((context & SSL_EXT_CLIENT_HELLO) != 0)
role = ENDPOINT_SERVER;
else if ((context & SSL_EXT_TLS1_2_SERVER_HELLO) != 0)
role = ENDPOINT_CLIENT;
meth = custom_ext_find(meths, role, type, &offset);
if (meth != NULL) {
if (!validate_context(s, meth->context, context))
return 0;
*found = &rawexlist[offset + builtin_num];
return 1;
}
}
*found = NULL;
return 1;
}
int extension_is_relevant(SSL_CONNECTION *s, unsigned int extctx,
unsigned int thisctx)
{
int is_tls13;
if ((thisctx & SSL_EXT_TLS1_3_HELLO_RETRY_REQUEST) != 0)
is_tls13 = 1;
else
is_tls13 = SSL_CONNECTION_IS_TLS13(s);
if ((SSL_CONNECTION_IS_DTLS(s)
&& (extctx & SSL_EXT_TLS_IMPLEMENTATION_ONLY) != 0)
|| (s->version == SSL3_VERSION
&& (extctx & SSL_EXT_SSL3_ALLOWED) == 0)
|| (is_tls13 && (extctx & SSL_EXT_TLS1_2_AND_BELOW_ONLY) != 0)
|| (!is_tls13 && (extctx & SSL_EXT_TLS1_3_ONLY) != 0
&& (thisctx & SSL_EXT_CLIENT_HELLO) == 0)
|| (s->server && !is_tls13 && (extctx & SSL_EXT_TLS1_3_ONLY) != 0)
|| (s->hit && (extctx & SSL_EXT_IGNORE_ON_RESUMPTION) != 0))
return 0;
return 1;
}
int tls_collect_extensions(SSL_CONNECTION *s, PACKET *packet,
unsigned int context,
RAW_EXTENSION **res, size_t *len, int init)
{
PACKET extensions = *packet;
size_t i = 0;
size_t num_exts;
custom_ext_methods *exts = &s->cert->custext;
RAW_EXTENSION *raw_extensions = NULL;
const EXTENSION_DEFINITION *thisexd;
*res = NULL;
if ((context & SSL_EXT_CLIENT_HELLO) != 0)
custom_ext_init(&s->cert->custext);
num_exts = OSSL_NELEM(ext_defs) + (exts != NULL ? exts->meths_count : 0);
raw_extensions = OPENSSL_zalloc(num_exts * sizeof(*raw_extensions));
if (raw_extensions == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CRYPTO_LIB);
return 0;
}
i = 0;
while (PACKET_remaining(&extensions) > 0) {
unsigned int type, idx;
PACKET extension;
RAW_EXTENSION *thisex;
if (!PACKET_get_net_2(&extensions, &type) ||
!PACKET_get_length_prefixed_2(&extensions, &extension)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
goto err;
}
if (!verify_extension(s, context, type, exts, raw_extensions, &thisex)
|| (thisex != NULL && thisex->present == 1)
|| (type == TLSEXT_TYPE_psk
&& (context & SSL_EXT_CLIENT_HELLO) != 0
&& PACKET_remaining(&extensions) != 0)) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_BAD_EXTENSION);
goto err;
}
idx = thisex - raw_extensions;
if (idx < OSSL_NELEM(ext_defs)
&& (context & (SSL_EXT_CLIENT_HELLO
| SSL_EXT_TLS1_3_CERTIFICATE_REQUEST
| SSL_EXT_TLS1_3_NEW_SESSION_TICKET)) == 0
&& type != TLSEXT_TYPE_cookie
&& type != TLSEXT_TYPE_renegotiate
&& type != TLSEXT_TYPE_signed_certificate_timestamp
&& (s->ext.extflags[idx] & SSL_EXT_FLAG_SENT) == 0
#ifndef OPENSSL_NO_GOST
&& !((context & SSL_EXT_TLS1_2_SERVER_HELLO) != 0
&& type == TLSEXT_TYPE_cryptopro_bug)
#endif
) {
SSLfatal(s, SSL_AD_UNSUPPORTED_EXTENSION,
SSL_R_UNSOLICITED_EXTENSION);
goto err;
}
if (thisex != NULL) {
thisex->data = extension;
thisex->present = 1;
thisex->type = type;
thisex->received_order = i++;
if (s->ext.debug_cb)
s->ext.debug_cb(SSL_CONNECTION_GET_SSL(s), !s->server,
thisex->type, PACKET_data(&thisex->data),
PACKET_remaining(&thisex->data),
s->ext.debug_arg);
}
}
if (init) {
for (thisexd = ext_defs, i = 0; i < OSSL_NELEM(ext_defs);
i++, thisexd++) {
if (thisexd->init != NULL && (thisexd->context & context) != 0
&& extension_is_relevant(s, thisexd->context, context)
&& !thisexd->init(s, context)) {
goto err;
}
}
}
*res = raw_extensions;
if (len != NULL)
*len = num_exts;
return 1;
err:
OPENSSL_free(raw_extensions);
return 0;
}
int tls_parse_extension(SSL_CONNECTION *s, TLSEXT_INDEX idx, int context,
RAW_EXTENSION *exts, X509 *x, size_t chainidx)
{
RAW_EXTENSION *currext = &exts[idx];
int (*parser)(SSL_CONNECTION *s, PACKET *pkt, unsigned int context, X509 *x,
size_t chainidx) = NULL;
if (!currext->present)
return 1;
if (currext->parsed)
return 1;
currext->parsed = 1;
if (idx < OSSL_NELEM(ext_defs)) {
const EXTENSION_DEFINITION *extdef = &ext_defs[idx];
if (!extension_is_relevant(s, extdef->context, context))
return 1;
parser = s->server ? extdef->parse_ctos : extdef->parse_stoc;
if (parser != NULL)
return parser(s, &currext->data, context, x, chainidx);
}
return custom_ext_parse(s, context, currext->type,
PACKET_data(&currext->data),
PACKET_remaining(&currext->data),
x, chainidx);
}
int tls_parse_all_extensions(SSL_CONNECTION *s, int context,
RAW_EXTENSION *exts, X509 *x,
size_t chainidx, int fin)
{
size_t i, numexts = OSSL_NELEM(ext_defs);
const EXTENSION_DEFINITION *thisexd;
numexts += s->cert->custext.meths_count;
for (i = 0; i < numexts; i++) {
if (!tls_parse_extension(s, i, context, exts, x, chainidx)) {
return 0;
}
}
if (fin) {
for (i = 0, thisexd = ext_defs; i < OSSL_NELEM(ext_defs);
i++, thisexd++) {
if (thisexd->final != NULL && (thisexd->context & context) != 0
&& !thisexd->final(s, context, exts[i].present)) {
return 0;
}
}
}
return 1;
}
int should_add_extension(SSL_CONNECTION *s, unsigned int extctx,
unsigned int thisctx, int max_version)
{
if ((extctx & thisctx) == 0)
return 0;
if (!extension_is_relevant(s, extctx, thisctx)
|| ((extctx & SSL_EXT_TLS1_3_ONLY) != 0
&& (thisctx & SSL_EXT_CLIENT_HELLO) != 0
&& (SSL_CONNECTION_IS_DTLS(s) || max_version < TLS1_3_VERSION)))
return 0;
return 1;
}
int tls_construct_extensions(SSL_CONNECTION *s, WPACKET *pkt,
unsigned int context,
X509 *x, size_t chainidx)
{
size_t i;
int min_version, max_version = 0, reason;
const EXTENSION_DEFINITION *thisexd;
int for_comp = (context & SSL_EXT_TLS1_3_CERTIFICATE_COMPRESSION) != 0;
if (!WPACKET_start_sub_packet_u16(pkt)
|| ((context &
(SSL_EXT_CLIENT_HELLO | SSL_EXT_TLS1_2_SERVER_HELLO)) != 0
&& !WPACKET_set_flags(pkt,
WPACKET_FLAGS_ABANDON_ON_ZERO_LENGTH))) {
if (!for_comp)
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
if ((context & SSL_EXT_CLIENT_HELLO) != 0) {
reason = ssl_get_min_max_version(s, &min_version, &max_version, NULL);
if (reason != 0) {
if (!for_comp)
SSLfatal(s, SSL_AD_INTERNAL_ERROR, reason);
return 0;
}
}
if ((context & SSL_EXT_CLIENT_HELLO) != 0) {
custom_ext_init(&s->cert->custext);
}
if (!custom_ext_add(s, context, pkt, x, chainidx, max_version)) {
return 0;
}
for (i = 0, thisexd = ext_defs; i < OSSL_NELEM(ext_defs); i++, thisexd++) {
EXT_RETURN (*construct)(SSL_CONNECTION *s, WPACKET *pkt,
unsigned int context,
X509 *x, size_t chainidx);
EXT_RETURN ret;
if (!should_add_extension(s, thisexd->context, context, max_version))
continue;
construct = s->server ? thisexd->construct_stoc
: thisexd->construct_ctos;
if (construct == NULL)
continue;
ret = construct(s, pkt, context, x, chainidx);
if (ret == EXT_RETURN_FAIL) {
return 0;
}
if (ret == EXT_RETURN_SENT
&& (context & (SSL_EXT_CLIENT_HELLO
| SSL_EXT_TLS1_3_CERTIFICATE_REQUEST
| SSL_EXT_TLS1_3_NEW_SESSION_TICKET)) != 0)
s->ext.extflags[i] |= SSL_EXT_FLAG_SENT;
}
if (!WPACKET_close(pkt)) {
if (!for_comp)
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
return 1;
}
static int final_renegotiate(SSL_CONNECTION *s, unsigned int context, int sent)
{
if (!s->server) {
if (!(s->options & SSL_OP_LEGACY_SERVER_CONNECT)
&& !(s->options & SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION)
&& !sent) {
SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE,
SSL_R_UNSAFE_LEGACY_RENEGOTIATION_DISABLED);
return 0;
}
return 1;
}
if (s->renegotiate
&& !(s->options & SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION)
&& !sent) {
SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE,
SSL_R_UNSAFE_LEGACY_RENEGOTIATION_DISABLED);
return 0;
}
return 1;
}
static ossl_inline void ssl_tsan_decr(const SSL_CTX *ctx,
TSAN_QUALIFIER int *stat)
{
if (ssl_tsan_lock(ctx)) {
tsan_decr(stat);
ssl_tsan_unlock(ctx);
}
}
static int init_server_name(SSL_CONNECTION *s, unsigned int context)
{
if (s->server) {
s->servername_done = 0;
OPENSSL_free(s->ext.hostname);
s->ext.hostname = NULL;
}
return 1;
}
static int final_server_name(SSL_CONNECTION *s, unsigned int context, int sent)
{
int ret = SSL_TLSEXT_ERR_NOACK;
int altmp = SSL_AD_UNRECOGNIZED_NAME;
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
int was_ticket = (SSL_get_options(ssl) & SSL_OP_NO_TICKET) == 0;
if (!ossl_assert(sctx != NULL) || !ossl_assert(s->session_ctx != NULL)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
if (sctx->ext.servername_cb != NULL)
ret = sctx->ext.servername_cb(ssl, &altmp,
sctx->ext.servername_arg);
else if (s->session_ctx->ext.servername_cb != NULL)
ret = s->session_ctx->ext.servername_cb(ssl, &altmp,
s->session_ctx->ext.servername_arg);
if (s->server) {
if (sent && ret == SSL_TLSEXT_ERR_OK && !s->hit) {
OPENSSL_free(s->session->ext.hostname);
s->session->ext.hostname = OPENSSL_strdup(s->ext.hostname);
if (s->session->ext.hostname == NULL && s->ext.hostname != NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
}
}
}
if (SSL_IS_FIRST_HANDSHAKE(s) && sctx != s->session_ctx
&& s->hello_retry_request == SSL_HRR_NONE) {
ssl_tsan_counter(sctx, &sctx->stats.sess_accept);
ssl_tsan_decr(s->session_ctx, &s->session_ctx->stats.sess_accept);
}
if (ret == SSL_TLSEXT_ERR_OK && s->ext.ticket_expected
&& was_ticket && (SSL_get_options(ssl) & SSL_OP_NO_TICKET) != 0) {
s->ext.ticket_expected = 0;
if (!s->hit) {
SSL_SESSION* ss = SSL_get_session(ssl);
if (ss != NULL) {
OPENSSL_free(ss->ext.tick);
ss->ext.tick = NULL;
ss->ext.ticklen = 0;
ss->ext.tick_lifetime_hint = 0;
ss->ext.tick_age_add = 0;
if (!ssl_generate_session_id(s, ss)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
} else {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
}
}
switch (ret) {
case SSL_TLSEXT_ERR_ALERT_FATAL:
SSLfatal(s, altmp, SSL_R_CALLBACK_FAILED);
return 0;
case SSL_TLSEXT_ERR_ALERT_WARNING:
if (!SSL_CONNECTION_IS_TLS13(s))
ssl3_send_alert(s, SSL3_AL_WARNING, altmp);
s->servername_done = 0;
return 1;
case SSL_TLSEXT_ERR_NOACK:
s->servername_done = 0;
return 1;
default:
return 1;
}
}
static int final_ec_pt_formats(SSL_CONNECTION *s, unsigned int context,
int sent)
{
unsigned long alg_k, alg_a;
if (s->server)
return 1;
alg_k = s->s3.tmp.new_cipher->algorithm_mkey;
alg_a = s->s3.tmp.new_cipher->algorithm_auth;
if (s->ext.ecpointformats != NULL
&& s->ext.ecpointformats_len > 0
&& s->ext.peer_ecpointformats != NULL
&& s->ext.peer_ecpointformats_len > 0
&& ((alg_k & SSL_kECDHE) || (alg_a & SSL_aECDSA))) {
size_t i;
unsigned char *list = s->ext.peer_ecpointformats;
for (i = 0; i < s->ext.peer_ecpointformats_len; i++) {
if (*list++ == TLSEXT_ECPOINTFORMAT_uncompressed)
break;
}
if (i == s->ext.peer_ecpointformats_len) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER,
SSL_R_TLS_INVALID_ECPOINTFORMAT_LIST);
return 0;
}
}
return 1;
}
static int init_session_ticket(SSL_CONNECTION *s, unsigned int context)
{
if (!s->server)
s->ext.ticket_expected = 0;
return 1;
}
#ifndef OPENSSL_NO_OCSP
static int init_status_request(SSL_CONNECTION *s, unsigned int context)
{
if (s->server) {
s->ext.status_type = TLSEXT_STATUSTYPE_nothing;
} else {
OPENSSL_free(s->ext.ocsp.resp);
s->ext.ocsp.resp = NULL;
s->ext.ocsp.resp_len = 0;
}
return 1;
}
#endif
#ifndef OPENSSL_NO_NEXTPROTONEG
static int init_npn(SSL_CONNECTION *s, unsigned int context)
{
s->s3.npn_seen = 0;
return 1;
}
#endif
static int init_alpn(SSL_CONNECTION *s, unsigned int context)
{
OPENSSL_free(s->s3.alpn_selected);
s->s3.alpn_selected = NULL;
s->s3.alpn_selected_len = 0;
if (s->server) {
OPENSSL_free(s->s3.alpn_proposed);
s->s3.alpn_proposed = NULL;
s->s3.alpn_proposed_len = 0;
}
return 1;
}
static int final_alpn(SSL_CONNECTION *s, unsigned int context, int sent)
{
if (!s->server && !sent && s->session->ext.alpn_selected != NULL)
s->ext.early_data_ok = 0;
if (!s->server || !SSL_CONNECTION_IS_TLS13(s))
return 1;
return tls_handle_alpn(s);
}
static int init_sig_algs(SSL_CONNECTION *s, unsigned int context)
{
OPENSSL_free(s->s3.tmp.peer_sigalgs);
s->s3.tmp.peer_sigalgs = NULL;
s->s3.tmp.peer_sigalgslen = 0;
return 1;
}
static int init_sig_algs_cert(SSL_CONNECTION *s,
ossl_unused unsigned int context)
{
OPENSSL_free(s->s3.tmp.peer_cert_sigalgs);
s->s3.tmp.peer_cert_sigalgs = NULL;
s->s3.tmp.peer_cert_sigalgslen = 0;
return 1;
}
#ifndef OPENSSL_NO_SRP
static int init_srp(SSL_CONNECTION *s, unsigned int context)
{
OPENSSL_free(s->srp_ctx.login);
s->srp_ctx.login = NULL;
return 1;
}
#endif
static int init_ec_point_formats(SSL_CONNECTION *s, unsigned int context)
{
OPENSSL_free(s->ext.peer_ecpointformats);
s->ext.peer_ecpointformats = NULL;
s->ext.peer_ecpointformats_len = 0;
return 1;
}
static int init_etm(SSL_CONNECTION *s, unsigned int context)
{
s->ext.use_etm = 0;
return 1;
}
static int init_ems(SSL_CONNECTION *s, unsigned int context)
{
if (s->s3.flags & TLS1_FLAGS_RECEIVED_EXTMS) {
s->s3.flags &= ~TLS1_FLAGS_RECEIVED_EXTMS;
s->s3.flags |= TLS1_FLAGS_REQUIRED_EXTMS;
}
return 1;
}
static int final_ems(SSL_CONNECTION *s, unsigned int context, int sent)
{
if (!(s->s3.flags & TLS1_FLAGS_RECEIVED_EXTMS)
&& (s->s3.flags & TLS1_FLAGS_REQUIRED_EXTMS)) {
SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_R_INCONSISTENT_EXTMS);
return 0;
}
if (!s->server && s->hit) {
if (!(s->s3.flags & TLS1_FLAGS_RECEIVED_EXTMS) !=
!(s->session->flags & SSL_SESS_FLAG_EXTMS)) {
SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_R_INCONSISTENT_EXTMS);
return 0;
}
}
return 1;
}
static int init_certificate_authorities(SSL_CONNECTION *s, unsigned int context)
{
sk_X509_NAME_pop_free(s->s3.tmp.peer_ca_names, X509_NAME_free);
s->s3.tmp.peer_ca_names = NULL;
return 1;
}
static EXT_RETURN tls_construct_certificate_authorities(SSL_CONNECTION *s,
WPACKET *pkt,
unsigned int context,
X509 *x,
size_t chainidx)
{
const STACK_OF(X509_NAME) *ca_sk = get_ca_names(s);
if (ca_sk == NULL || sk_X509_NAME_num(ca_sk) == 0)
return EXT_RETURN_NOT_SENT;
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_certificate_authorities)
|| !WPACKET_start_sub_packet_u16(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
if (!construct_ca_names(s, ca_sk, pkt)) {
return EXT_RETURN_FAIL;
}
if (!WPACKET_close(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
return EXT_RETURN_SENT;
}
static int tls_parse_certificate_authorities(SSL_CONNECTION *s, PACKET *pkt,
unsigned int context, X509 *x,
size_t chainidx)
{
if (!parse_ca_names(s, pkt))
return 0;
if (PACKET_remaining(pkt) != 0) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
return 0;
}
return 1;
}
#ifndef OPENSSL_NO_SRTP
static int init_srtp(SSL_CONNECTION *s, unsigned int context)
{
if (s->server)
s->srtp_profile = NULL;
return 1;
}
#endif
static int final_sig_algs(SSL_CONNECTION *s, unsigned int context, int sent)
{
if (!sent && SSL_CONNECTION_IS_TLS13(s) && !s->hit) {
SSLfatal(s, TLS13_AD_MISSING_EXTENSION,
SSL_R_MISSING_SIGALGS_EXTENSION);
return 0;
}
return 1;
}
static int final_key_share(SSL_CONNECTION *s, unsigned int context, int sent)
{
#if !defined(OPENSSL_NO_TLS1_3)
if (!SSL_CONNECTION_IS_TLS13(s))
return 1;
if ((context & SSL_EXT_TLS1_3_HELLO_RETRY_REQUEST) != 0)
return 1;
if (!s->server
&& !sent
&& (!s->hit
|| (s->ext.psk_kex_mode & TLSEXT_KEX_MODE_FLAG_KE) == 0)) {
SSLfatal(s, SSL_AD_MISSING_EXTENSION, SSL_R_NO_SUITABLE_KEY_SHARE);
return 0;
}
if (s->server) {
if (s->s3.peer_tmp != NULL) {
if ((s->s3.flags & TLS1_FLAGS_STATELESS) != 0
&& !s->ext.cookieok) {
if (!ossl_assert(s->hello_retry_request == SSL_HRR_NONE)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
s->hello_retry_request = SSL_HRR_PENDING;
return 1;
}
} else {
if (s->hello_retry_request == SSL_HRR_NONE && sent
&& (!s->hit
|| (s->ext.psk_kex_mode & TLSEXT_KEX_MODE_FLAG_KE_DHE)
!= 0)) {
const uint16_t *pgroups, *clntgroups;
size_t num_groups, clnt_num_groups, i;
unsigned int group_id = 0;
tls1_get_peer_groups(s, &clntgroups, &clnt_num_groups);
tls1_get_supported_groups(s, &pgroups, &num_groups);
for (i = 0; i < num_groups; i++) {
group_id = pgroups[i];
if (check_in_list(s, group_id, clntgroups, clnt_num_groups,
1)
&& tls_group_allowed(s, group_id,
SSL_SECOP_CURVE_SUPPORTED)
&& tls_valid_group(s, group_id, TLS1_3_VERSION,
TLS1_3_VERSION, 0, NULL))
break;
}
if (i < num_groups) {
s->s3.group_id = group_id;
s->hello_retry_request = SSL_HRR_PENDING;
return 1;
}
}
if (!s->hit
|| (s->ext.psk_kex_mode & TLSEXT_KEX_MODE_FLAG_KE) == 0) {
SSLfatal(s, sent ? SSL_AD_HANDSHAKE_FAILURE
: SSL_AD_MISSING_EXTENSION,
SSL_R_NO_SUITABLE_KEY_SHARE);
return 0;
}
if ((s->s3.flags & TLS1_FLAGS_STATELESS) != 0
&& !s->ext.cookieok) {
if (!ossl_assert(s->hello_retry_request == SSL_HRR_NONE)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
s->hello_retry_request = SSL_HRR_PENDING;
return 1;
}
}
if (s->hello_retry_request == SSL_HRR_PENDING)
s->hello_retry_request = SSL_HRR_COMPLETE;
} else {
if (!sent && !tls13_generate_handshake_secret(s, NULL, 0)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
}
#endif
return 1;
}
static int init_psk_kex_modes(SSL_CONNECTION *s, unsigned int context)
{
s->ext.psk_kex_mode = TLSEXT_KEX_MODE_FLAG_NONE;
return 1;
}
int tls_psk_do_binder(SSL_CONNECTION *s, const EVP_MD *md,
const unsigned char *msgstart,
size_t binderoffset, const unsigned char *binderin,
unsigned char *binderout, SSL_SESSION *sess, int sign,
int external)
{
EVP_PKEY *mackey = NULL;
EVP_MD_CTX *mctx = NULL;
unsigned char hash[EVP_MAX_MD_SIZE], binderkey[EVP_MAX_MD_SIZE];
unsigned char finishedkey[EVP_MAX_MD_SIZE], tmpbinder[EVP_MAX_MD_SIZE];
unsigned char *early_secret;
static const unsigned char resumption_label[] = "\x72\x65\x73\x20\x62\x69\x6E\x64\x65\x72";
static const unsigned char external_label[] = "\x65\x78\x74\x20\x62\x69\x6E\x64\x65\x72";
const unsigned char *label;
size_t bindersize, labelsize, hashsize;
int hashsizei = EVP_MD_get_size(md);
int ret = -1;
int usepskfored = 0;
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
if (!ossl_assert(hashsizei >= 0)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
hashsize = (size_t)hashsizei;
if (external
&& s->early_data_state == SSL_EARLY_DATA_CONNECTING
&& s->session->ext.max_early_data == 0
&& sess->ext.max_early_data > 0)
usepskfored = 1;
if (external) {
label = external_label;
labelsize = sizeof(external_label) - 1;
} else {
label = resumption_label;
labelsize = sizeof(resumption_label) - 1;
}
if (s->server || !external || usepskfored)
early_secret = (unsigned char *)s->early_secret;
else
early_secret = (unsigned char *)sess->early_secret;
if (!tls13_generate_secret(s, md, NULL, sess->master_key,
sess->master_key_length, early_secret)) {
goto err;
}
mctx = EVP_MD_CTX_new();
if (mctx == NULL
|| EVP_DigestInit_ex(mctx, md, NULL) <= 0
|| EVP_DigestFinal_ex(mctx, hash, NULL) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
if (!tls13_hkdf_expand(s, md, early_secret, label, labelsize, hash,
hashsize, binderkey, hashsize, 1)) {
goto err;
}
if (!tls13_derive_finishedkey(s, md, binderkey, finishedkey, hashsize)) {
goto err;
}
if (EVP_DigestInit_ex(mctx, md, NULL) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
if (s->hello_retry_request == SSL_HRR_PENDING) {
size_t hdatalen;
long hdatalen_l;
void *hdata;
hdatalen = hdatalen_l =
BIO_get_mem_data(s->s3.handshake_buffer, &hdata);
if (hdatalen_l <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_BAD_HANDSHAKE_LENGTH);
goto err;
}
if (s->server) {
PACKET hashprefix, msg;
if (!PACKET_buf_init(&hashprefix, hdata, hdatalen)
|| !PACKET_forward(&hashprefix, 1)
|| !PACKET_get_length_prefixed_3(&hashprefix, &msg)
|| !PACKET_forward(&hashprefix, 1)
|| !PACKET_get_length_prefixed_3(&hashprefix, &msg)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
hdatalen -= PACKET_remaining(&hashprefix);
}
if (EVP_DigestUpdate(mctx, hdata, hdatalen) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
}
if (EVP_DigestUpdate(mctx, msgstart, binderoffset) <= 0
|| EVP_DigestFinal_ex(mctx, hash, NULL) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
mackey = EVP_PKEY_new_raw_private_key_ex(sctx->libctx, "HMAC",
sctx->propq, finishedkey,
hashsize);
if (mackey == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
if (!sign)
binderout = tmpbinder;
bindersize = hashsize;
if (EVP_DigestSignInit_ex(mctx, NULL, EVP_MD_get0_name(md), sctx->libctx,
sctx->propq, mackey, NULL) <= 0
|| EVP_DigestSignUpdate(mctx, hash, hashsize) <= 0
|| EVP_DigestSignFinal(mctx, binderout, &bindersize) <= 0
|| bindersize != hashsize) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
if (sign) {
ret = 1;
} else {
ret = (CRYPTO_memcmp(binderin, binderout, hashsize) == 0);
if (!ret)
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_BINDER_DOES_NOT_VERIFY);
}
err:
OPENSSL_cleanse(binderkey, sizeof(binderkey));
OPENSSL_cleanse(finishedkey, sizeof(finishedkey));
EVP_PKEY_free(mackey);
EVP_MD_CTX_free(mctx);
return ret;
}
static int final_early_data(SSL_CONNECTION *s, unsigned int context, int sent)
{
if (!sent)
return 1;
if (!s->server) {
if (context == SSL_EXT_TLS1_3_ENCRYPTED_EXTENSIONS
&& sent
&& !s->ext.early_data_ok) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_BAD_EARLY_DATA);
return 0;
}
return 1;
}
if (s->max_early_data == 0
|| !s->hit
|| s->early_data_state != SSL_EARLY_DATA_ACCEPTING
|| !s->ext.early_data_ok
|| s->hello_retry_request != SSL_HRR_NONE
|| (s->allow_early_data_cb != NULL
&& !s->allow_early_data_cb(SSL_CONNECTION_GET_SSL(s),
s->allow_early_data_cb_data))) {
s->ext.early_data = SSL_EARLY_DATA_REJECTED;
} else {
s->ext.early_data = SSL_EARLY_DATA_ACCEPTED;
if (!tls13_change_cipher_state(s,
SSL3_CC_EARLY | SSL3_CHANGE_CIPHER_SERVER_READ)) {
return 0;
}
}
return 1;
}
static int final_maxfragmentlen(SSL_CONNECTION *s, unsigned int context,
int sent)
{
if (s->server && s->hit && USE_MAX_FRAGMENT_LENGTH_EXT(s->session)
&& !sent ) {
SSLfatal(s, SSL_AD_MISSING_EXTENSION, SSL_R_BAD_EXTENSION);
return 0;
}
if (s->session && USE_MAX_FRAGMENT_LENGTH_EXT(s->session)) {
s->rlayer.rrlmethod->set_max_frag_len(s->rlayer.rrl,
GET_MAX_FRAGMENT_LENGTH(s->session));
s->rlayer.wrlmethod->set_max_frag_len(s->rlayer.wrl,
ssl_get_max_send_fragment(s));
}
return 1;
}
static int init_post_handshake_auth(SSL_CONNECTION *s,
ossl_unused unsigned int context)
{
s->post_handshake_auth = SSL_PHA_NONE;
return 1;
}
static int final_psk(SSL_CONNECTION *s, unsigned int context, int sent)
{
if (s->server && sent && s->clienthello != NULL
&& !s->clienthello->pre_proc_exts[TLSEXT_IDX_psk_kex_modes].present) {
SSLfatal(s, TLS13_AD_MISSING_EXTENSION,
SSL_R_MISSING_PSK_KEX_MODES_EXTENSION);
return 0;
}
return 1;
}
static int tls_init_compress_certificate(SSL_CONNECTION *sc, unsigned int context)
{
memset(sc->ext.compress_certificate_from_peer, 0,
sizeof(sc->ext.compress_certificate_from_peer));
return 1;
}
static EXT_RETURN tls_construct_compress_certificate(SSL_CONNECTION *sc, WPACKET *pkt,
unsigned int context,
X509 *x, size_t chainidx)
{
#ifndef OPENSSL_NO_COMP_ALG
int i;
if (!ossl_comp_has_alg(0))
return EXT_RETURN_NOT_SENT;
if (sc->server && sc->ext.server_cert_type != TLSEXT_cert_type_x509) {
sc->cert_comp_prefs[0] = TLSEXT_comp_cert_none;
return EXT_RETURN_NOT_SENT;
}
if (!sc->server && sc->ext.client_cert_type_ctos) {
sc->cert_comp_prefs[0] = TLSEXT_comp_cert_none;
return EXT_RETURN_NOT_SENT;
}
if ((sc->options & SSL_OP_NO_RX_CERTIFICATE_COMPRESSION) != 0)
return EXT_RETURN_NOT_SENT;
if (sc->cert_comp_prefs[0] == TLSEXT_comp_cert_none)
return EXT_RETURN_NOT_SENT;
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_compress_certificate)
|| !WPACKET_start_sub_packet_u16(pkt)
|| !WPACKET_start_sub_packet_u8(pkt))
goto err;
for (i = 0; sc->cert_comp_prefs[i] != TLSEXT_comp_cert_none; i++) {
if (!WPACKET_put_bytes_u16(pkt, sc->cert_comp_prefs[i]))
goto err;
}
if (!WPACKET_close(pkt) || !WPACKET_close(pkt))
goto err;
sc->ext.compress_certificate_sent = 1;
return EXT_RETURN_SENT;
err:
SSLfatal(sc, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
#else
return EXT_RETURN_NOT_SENT;
#endif
}
#ifndef OPENSSL_NO_COMP_ALG
static int tls_comp_in_pref(SSL_CONNECTION *sc, int alg)
{
int i;
if (alg == 0)
return 0;
if (!ossl_comp_has_alg(alg))
return 0;
if (sc->cert_comp_prefs[0] == TLSEXT_comp_cert_none)
return 1;
for (i = 0; i < TLSEXT_comp_cert_limit; i++)
if (sc->cert_comp_prefs[i] == alg)
return 1;
return 0;
}
#endif
int tls_parse_compress_certificate(SSL_CONNECTION *sc, PACKET *pkt, unsigned int context,
X509 *x, size_t chainidx)
{
#ifndef OPENSSL_NO_COMP_ALG
PACKET supported_comp_algs;
unsigned int comp;
int already_set[TLSEXT_comp_cert_limit];
int j = 0;
if (!ossl_comp_has_alg(0))
return 1;
if (sc->server && sc->ext.server_cert_type != TLSEXT_cert_type_x509)
return 1;
if (!sc->server && sc->ext.client_cert_type != TLSEXT_cert_type_x509)
return 1;
if ((sc->options & SSL_OP_NO_TX_CERTIFICATE_COMPRESSION) != 0)
return 1;
if (!PACKET_as_length_prefixed_1(pkt, &supported_comp_algs)
|| PACKET_remaining(&supported_comp_algs) == 0) {
SSLfatal(sc, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
return 0;
}
memset(already_set, 0, sizeof(already_set));
while (PACKET_get_net_2(&supported_comp_algs, &comp)) {
if (tls_comp_in_pref(sc, comp) && !already_set[comp]) {
sc->ext.compress_certificate_from_peer[j++] = comp;
already_set[comp] = 1;
}
}
#endif
return 1;
}
static int init_server_cert_type(SSL_CONNECTION *sc, unsigned int context)
{
if (sc->server) {
sc->ext.server_cert_type_ctos = OSSL_CERT_TYPE_CTOS_NONE;
sc->ext.server_cert_type = TLSEXT_cert_type_x509;
}
return 1;
}
static int init_client_cert_type(SSL_CONNECTION *sc, unsigned int context)
{
if (sc->server) {
sc->ext.client_cert_type_ctos = OSSL_CERT_TYPE_CTOS_NONE;
sc->ext.client_cert_type = TLSEXT_cert_type_x509;
}
return 1;
}
| statem | openssl/ssl/statem/extensions.c | openssl |
#include <stdio.h>
#include "../ssl_local.h"
#include "statem_local.h"
#include "internal/constant_time.h"
#include "internal/cryptlib.h"
#include <openssl/buffer.h>
#include <openssl/rand.h>
#include <openssl/objects.h>
#include <openssl/evp.h>
#include <openssl/x509.h>
#include <openssl/dh.h>
#include <openssl/rsa.h>
#include <openssl/bn.h>
#include <openssl/md5.h>
#include <openssl/trace.h>
#include <openssl/core_names.h>
#include <openssl/asn1t.h>
#include <openssl/comp.h>
#define TICKET_NONCE_SIZE 8
typedef struct {
ASN1_TYPE *kxBlob;
ASN1_TYPE *opaqueBlob;
} GOST_KX_MESSAGE;
DECLARE_ASN1_FUNCTIONS(GOST_KX_MESSAGE)
ASN1_SEQUENCE(GOST_KX_MESSAGE) = {
ASN1_SIMPLE(GOST_KX_MESSAGE, kxBlob, ASN1_ANY),
ASN1_OPT(GOST_KX_MESSAGE, opaqueBlob, ASN1_ANY),
} ASN1_SEQUENCE_END(GOST_KX_MESSAGE)
IMPLEMENT_ASN1_FUNCTIONS(GOST_KX_MESSAGE)
static CON_FUNC_RETURN tls_construct_encrypted_extensions(SSL_CONNECTION *s,
WPACKET *pkt);
static ossl_inline int received_client_cert(const SSL_CONNECTION *sc)
{
return sc->session->peer_rpk != NULL || sc->session->peer != NULL;
}
static int ossl_statem_server13_read_transition(SSL_CONNECTION *s, int mt)
{
OSSL_STATEM *st = &s->statem;
switch (st->hand_state) {
default:
break;
case TLS_ST_EARLY_DATA:
if (s->hello_retry_request == SSL_HRR_PENDING) {
if (mt == SSL3_MT_CLIENT_HELLO) {
st->hand_state = TLS_ST_SR_CLNT_HELLO;
return 1;
}
break;
} else if (s->ext.early_data == SSL_EARLY_DATA_ACCEPTED) {
if (mt == SSL3_MT_END_OF_EARLY_DATA) {
st->hand_state = TLS_ST_SR_END_OF_EARLY_DATA;
return 1;
}
break;
}
case TLS_ST_SR_END_OF_EARLY_DATA:
case TLS_ST_SW_FINISHED:
if (s->s3.tmp.cert_request) {
if (mt == SSL3_MT_CERTIFICATE) {
st->hand_state = TLS_ST_SR_CERT;
return 1;
}
#ifndef OPENSSL_NO_COMP_ALG
if (mt == SSL3_MT_COMPRESSED_CERTIFICATE
&& s->ext.compress_certificate_sent) {
st->hand_state = TLS_ST_SR_COMP_CERT;
return 1;
}
#endif
} else {
if (mt == SSL3_MT_FINISHED) {
st->hand_state = TLS_ST_SR_FINISHED;
return 1;
}
}
break;
case TLS_ST_SR_COMP_CERT:
case TLS_ST_SR_CERT:
if (!received_client_cert(s)) {
if (mt == SSL3_MT_FINISHED) {
st->hand_state = TLS_ST_SR_FINISHED;
return 1;
}
} else {
if (mt == SSL3_MT_CERTIFICATE_VERIFY) {
st->hand_state = TLS_ST_SR_CERT_VRFY;
return 1;
}
}
break;
case TLS_ST_SR_CERT_VRFY:
if (mt == SSL3_MT_FINISHED) {
st->hand_state = TLS_ST_SR_FINISHED;
return 1;
}
break;
case TLS_ST_OK:
if (s->early_data_state == SSL_EARLY_DATA_READING)
break;
if (s->post_handshake_auth == SSL_PHA_REQUESTED) {
if (mt == SSL3_MT_CERTIFICATE) {
st->hand_state = TLS_ST_SR_CERT;
return 1;
}
#ifndef OPENSSL_NO_COMP_ALG
if (mt == SSL3_MT_COMPRESSED_CERTIFICATE
&& s->ext.compress_certificate_sent) {
st->hand_state = TLS_ST_SR_COMP_CERT;
return 1;
}
#endif
}
if (mt == SSL3_MT_KEY_UPDATE && !SSL_IS_QUIC_HANDSHAKE(s)) {
st->hand_state = TLS_ST_SR_KEY_UPDATE;
return 1;
}
break;
}
return 0;
}
int ossl_statem_server_read_transition(SSL_CONNECTION *s, int mt)
{
OSSL_STATEM *st = &s->statem;
if (SSL_CONNECTION_IS_TLS13(s)) {
if (!ossl_statem_server13_read_transition(s, mt))
goto err;
return 1;
}
switch (st->hand_state) {
default:
break;
case TLS_ST_BEFORE:
case TLS_ST_OK:
case DTLS_ST_SW_HELLO_VERIFY_REQUEST:
if (mt == SSL3_MT_CLIENT_HELLO) {
st->hand_state = TLS_ST_SR_CLNT_HELLO;
return 1;
}
break;
case TLS_ST_SW_SRVR_DONE:
if (mt == SSL3_MT_CLIENT_KEY_EXCHANGE) {
if (s->s3.tmp.cert_request) {
if (s->version == SSL3_VERSION) {
if ((s->verify_mode & SSL_VERIFY_PEER)
&& (s->verify_mode & SSL_VERIFY_FAIL_IF_NO_PEER_CERT)) {
SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE,
SSL_R_PEER_DID_NOT_RETURN_A_CERTIFICATE);
return 0;
}
st->hand_state = TLS_ST_SR_KEY_EXCH;
return 1;
}
} else {
st->hand_state = TLS_ST_SR_KEY_EXCH;
return 1;
}
} else if (s->s3.tmp.cert_request) {
if (mt == SSL3_MT_CERTIFICATE) {
st->hand_state = TLS_ST_SR_CERT;
return 1;
}
}
break;
case TLS_ST_SR_CERT:
if (mt == SSL3_MT_CLIENT_KEY_EXCHANGE) {
st->hand_state = TLS_ST_SR_KEY_EXCH;
return 1;
}
break;
case TLS_ST_SR_KEY_EXCH:
if (!received_client_cert(s) || st->no_cert_verify) {
if (mt == SSL3_MT_CHANGE_CIPHER_SPEC) {
st->hand_state = TLS_ST_SR_CHANGE;
return 1;
}
} else {
if (mt == SSL3_MT_CERTIFICATE_VERIFY) {
st->hand_state = TLS_ST_SR_CERT_VRFY;
return 1;
}
}
break;
case TLS_ST_SR_CERT_VRFY:
if (mt == SSL3_MT_CHANGE_CIPHER_SPEC) {
st->hand_state = TLS_ST_SR_CHANGE;
return 1;
}
break;
case TLS_ST_SR_CHANGE:
#ifndef OPENSSL_NO_NEXTPROTONEG
if (s->s3.npn_seen) {
if (mt == SSL3_MT_NEXT_PROTO) {
st->hand_state = TLS_ST_SR_NEXT_PROTO;
return 1;
}
} else {
#endif
if (mt == SSL3_MT_FINISHED) {
st->hand_state = TLS_ST_SR_FINISHED;
return 1;
}
#ifndef OPENSSL_NO_NEXTPROTONEG
}
#endif
break;
#ifndef OPENSSL_NO_NEXTPROTONEG
case TLS_ST_SR_NEXT_PROTO:
if (mt == SSL3_MT_FINISHED) {
st->hand_state = TLS_ST_SR_FINISHED;
return 1;
}
break;
#endif
case TLS_ST_SW_FINISHED:
if (mt == SSL3_MT_CHANGE_CIPHER_SPEC) {
st->hand_state = TLS_ST_SR_CHANGE;
return 1;
}
break;
}
err:
if (SSL_CONNECTION_IS_DTLS(s) && mt == SSL3_MT_CHANGE_CIPHER_SPEC) {
BIO *rbio;
s->init_num = 0;
s->rwstate = SSL_READING;
rbio = SSL_get_rbio(SSL_CONNECTION_GET_SSL(s));
BIO_clear_retry_flags(rbio);
BIO_set_retry_read(rbio);
return 0;
}
SSLfatal(s, SSL3_AD_UNEXPECTED_MESSAGE, SSL_R_UNEXPECTED_MESSAGE);
return 0;
}
static int send_server_key_exchange(SSL_CONNECTION *s)
{
unsigned long alg_k = s->s3.tmp.new_cipher->algorithm_mkey;
if (alg_k & (SSL_kDHE | SSL_kECDHE)
#ifndef OPENSSL_NO_PSK
|| ((alg_k & (SSL_kPSK | SSL_kRSAPSK))
&& s->cert->psk_identity_hint)
|| (alg_k & (SSL_PSK & (SSL_kDHEPSK | SSL_kECDHEPSK)))
#endif
#ifndef OPENSSL_NO_SRP
|| (alg_k & SSL_kSRP)
#endif
) {
return 1;
}
return 0;
}
static int get_compressed_certificate_alg(SSL_CONNECTION *sc)
{
#ifndef OPENSSL_NO_COMP_ALG
int *alg = sc->ext.compress_certificate_from_peer;
if (sc->s3.tmp.cert == NULL)
return TLSEXT_comp_cert_none;
for (; *alg != TLSEXT_comp_cert_none; alg++) {
if (sc->s3.tmp.cert->comp_cert[*alg] != NULL)
return *alg;
}
#endif
return TLSEXT_comp_cert_none;
}
int send_certificate_request(SSL_CONNECTION *s)
{
if (
s->verify_mode & SSL_VERIFY_PEER
&& (!SSL_CONNECTION_IS_TLS13(s)
|| !(s->verify_mode & SSL_VERIFY_POST_HANDSHAKE)
|| s->post_handshake_auth == SSL_PHA_REQUEST_PENDING)
&& (s->certreqs_sent < 1 ||
!(s->verify_mode & SSL_VERIFY_CLIENT_ONCE))
&& (!(s->s3.tmp.new_cipher->algorithm_auth & SSL_aNULL)
|| (s->verify_mode & SSL_VERIFY_FAIL_IF_NO_PEER_CERT))
&& !(s->s3.tmp.new_cipher->algorithm_auth & SSL_aSRP)
&& !(s->s3.tmp.new_cipher->algorithm_auth & SSL_aPSK)) {
return 1;
}
return 0;
}
static int do_compressed_cert(SSL_CONNECTION *sc)
{
return sc->ext.server_cert_type == TLSEXT_cert_type_x509
&& get_compressed_certificate_alg(sc) != TLSEXT_comp_cert_none;
}
static WRITE_TRAN ossl_statem_server13_write_transition(SSL_CONNECTION *s)
{
OSSL_STATEM *st = &s->statem;
switch (st->hand_state) {
default:
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return WRITE_TRAN_ERROR;
case TLS_ST_OK:
if (s->key_update != SSL_KEY_UPDATE_NONE) {
st->hand_state = TLS_ST_SW_KEY_UPDATE;
return WRITE_TRAN_CONTINUE;
}
if (s->post_handshake_auth == SSL_PHA_REQUEST_PENDING) {
st->hand_state = TLS_ST_SW_CERT_REQ;
return WRITE_TRAN_CONTINUE;
}
if (s->ext.extra_tickets_expected > 0) {
st->hand_state = TLS_ST_SW_SESSION_TICKET;
return WRITE_TRAN_CONTINUE;
}
return WRITE_TRAN_FINISHED;
case TLS_ST_SR_CLNT_HELLO:
st->hand_state = TLS_ST_SW_SRVR_HELLO;
return WRITE_TRAN_CONTINUE;
case TLS_ST_SW_SRVR_HELLO:
if ((s->options & SSL_OP_ENABLE_MIDDLEBOX_COMPAT) != 0
&& s->hello_retry_request != SSL_HRR_COMPLETE)
st->hand_state = TLS_ST_SW_CHANGE;
else if (s->hello_retry_request == SSL_HRR_PENDING)
st->hand_state = TLS_ST_EARLY_DATA;
else
st->hand_state = TLS_ST_SW_ENCRYPTED_EXTENSIONS;
return WRITE_TRAN_CONTINUE;
case TLS_ST_SW_CHANGE:
if (s->hello_retry_request == SSL_HRR_PENDING)
st->hand_state = TLS_ST_EARLY_DATA;
else
st->hand_state = TLS_ST_SW_ENCRYPTED_EXTENSIONS;
return WRITE_TRAN_CONTINUE;
case TLS_ST_SW_ENCRYPTED_EXTENSIONS:
if (s->hit)
st->hand_state = TLS_ST_SW_FINISHED;
else if (send_certificate_request(s))
st->hand_state = TLS_ST_SW_CERT_REQ;
else if (do_compressed_cert(s))
st->hand_state = TLS_ST_SW_COMP_CERT;
else
st->hand_state = TLS_ST_SW_CERT;
return WRITE_TRAN_CONTINUE;
case TLS_ST_SW_CERT_REQ:
if (s->post_handshake_auth == SSL_PHA_REQUEST_PENDING) {
s->post_handshake_auth = SSL_PHA_REQUESTED;
st->hand_state = TLS_ST_OK;
} else if (do_compressed_cert(s)) {
st->hand_state = TLS_ST_SW_COMP_CERT;
} else {
st->hand_state = TLS_ST_SW_CERT;
}
return WRITE_TRAN_CONTINUE;
case TLS_ST_SW_COMP_CERT:
case TLS_ST_SW_CERT:
st->hand_state = TLS_ST_SW_CERT_VRFY;
return WRITE_TRAN_CONTINUE;
case TLS_ST_SW_CERT_VRFY:
st->hand_state = TLS_ST_SW_FINISHED;
return WRITE_TRAN_CONTINUE;
case TLS_ST_SW_FINISHED:
st->hand_state = TLS_ST_EARLY_DATA;
s->ts_msg_write = ossl_time_now();
return WRITE_TRAN_CONTINUE;
case TLS_ST_EARLY_DATA:
return WRITE_TRAN_FINISHED;
case TLS_ST_SR_FINISHED:
s->ts_msg_read = ossl_time_now();
if (s->post_handshake_auth == SSL_PHA_REQUESTED) {
s->post_handshake_auth = SSL_PHA_EXT_RECEIVED;
} else if (!s->ext.ticket_expected) {
st->hand_state = TLS_ST_OK;
return WRITE_TRAN_CONTINUE;
}
if (s->num_tickets > s->sent_tickets)
st->hand_state = TLS_ST_SW_SESSION_TICKET;
else
st->hand_state = TLS_ST_OK;
return WRITE_TRAN_CONTINUE;
case TLS_ST_SR_KEY_UPDATE:
case TLS_ST_SW_KEY_UPDATE:
st->hand_state = TLS_ST_OK;
return WRITE_TRAN_CONTINUE;
case TLS_ST_SW_SESSION_TICKET:
if (!SSL_IS_FIRST_HANDSHAKE(s) && s->ext.extra_tickets_expected > 0) {
return WRITE_TRAN_CONTINUE;
} else if (s->hit || s->num_tickets <= s->sent_tickets) {
st->hand_state = TLS_ST_OK;
}
return WRITE_TRAN_CONTINUE;
}
}
WRITE_TRAN ossl_statem_server_write_transition(SSL_CONNECTION *s)
{
OSSL_STATEM *st = &s->statem;
if (SSL_CONNECTION_IS_TLS13(s))
return ossl_statem_server13_write_transition(s);
switch (st->hand_state) {
default:
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return WRITE_TRAN_ERROR;
case TLS_ST_OK:
if (st->request_state == TLS_ST_SW_HELLO_REQ) {
st->hand_state = TLS_ST_SW_HELLO_REQ;
st->request_state = TLS_ST_BEFORE;
return WRITE_TRAN_CONTINUE;
}
if (!tls_setup_handshake(s)) {
return WRITE_TRAN_ERROR;
}
case TLS_ST_BEFORE:
return WRITE_TRAN_FINISHED;
case TLS_ST_SW_HELLO_REQ:
st->hand_state = TLS_ST_OK;
return WRITE_TRAN_CONTINUE;
case TLS_ST_SR_CLNT_HELLO:
if (SSL_CONNECTION_IS_DTLS(s) && !s->d1->cookie_verified
&& (SSL_get_options(SSL_CONNECTION_GET_SSL(s)) & SSL_OP_COOKIE_EXCHANGE)) {
st->hand_state = DTLS_ST_SW_HELLO_VERIFY_REQUEST;
} else if (s->renegotiate == 0 && !SSL_IS_FIRST_HANDSHAKE(s)) {
st->hand_state = TLS_ST_OK;
return WRITE_TRAN_CONTINUE;
} else {
st->hand_state = TLS_ST_SW_SRVR_HELLO;
}
return WRITE_TRAN_CONTINUE;
case DTLS_ST_SW_HELLO_VERIFY_REQUEST:
return WRITE_TRAN_FINISHED;
case TLS_ST_SW_SRVR_HELLO:
if (s->hit) {
if (s->ext.ticket_expected)
st->hand_state = TLS_ST_SW_SESSION_TICKET;
else
st->hand_state = TLS_ST_SW_CHANGE;
} else {
if (!(s->s3.tmp.new_cipher->algorithm_auth &
(SSL_aNULL | SSL_aSRP | SSL_aPSK))) {
st->hand_state = TLS_ST_SW_CERT;
} else if (send_server_key_exchange(s)) {
st->hand_state = TLS_ST_SW_KEY_EXCH;
} else if (send_certificate_request(s)) {
st->hand_state = TLS_ST_SW_CERT_REQ;
} else {
st->hand_state = TLS_ST_SW_SRVR_DONE;
}
}
return WRITE_TRAN_CONTINUE;
case TLS_ST_SW_CERT:
if (s->ext.status_expected) {
st->hand_state = TLS_ST_SW_CERT_STATUS;
return WRITE_TRAN_CONTINUE;
}
case TLS_ST_SW_CERT_STATUS:
if (send_server_key_exchange(s)) {
st->hand_state = TLS_ST_SW_KEY_EXCH;
return WRITE_TRAN_CONTINUE;
}
case TLS_ST_SW_KEY_EXCH:
if (send_certificate_request(s)) {
st->hand_state = TLS_ST_SW_CERT_REQ;
return WRITE_TRAN_CONTINUE;
}
case TLS_ST_SW_CERT_REQ:
st->hand_state = TLS_ST_SW_SRVR_DONE;
return WRITE_TRAN_CONTINUE;
case TLS_ST_SW_SRVR_DONE:
s->ts_msg_write = ossl_time_now();
return WRITE_TRAN_FINISHED;
case TLS_ST_SR_FINISHED:
s->ts_msg_read = ossl_time_now();
if (s->hit) {
st->hand_state = TLS_ST_OK;
return WRITE_TRAN_CONTINUE;
} else if (s->ext.ticket_expected) {
st->hand_state = TLS_ST_SW_SESSION_TICKET;
} else {
st->hand_state = TLS_ST_SW_CHANGE;
}
return WRITE_TRAN_CONTINUE;
case TLS_ST_SW_SESSION_TICKET:
st->hand_state = TLS_ST_SW_CHANGE;
return WRITE_TRAN_CONTINUE;
case TLS_ST_SW_CHANGE:
st->hand_state = TLS_ST_SW_FINISHED;
return WRITE_TRAN_CONTINUE;
case TLS_ST_SW_FINISHED:
if (s->hit) {
return WRITE_TRAN_FINISHED;
}
st->hand_state = TLS_ST_OK;
return WRITE_TRAN_CONTINUE;
}
}
WORK_STATE ossl_statem_server_pre_work(SSL_CONNECTION *s, WORK_STATE wst)
{
OSSL_STATEM *st = &s->statem;
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
switch (st->hand_state) {
default:
break;
case TLS_ST_SW_HELLO_REQ:
s->shutdown = 0;
if (SSL_CONNECTION_IS_DTLS(s))
dtls1_clear_sent_buffer(s);
break;
case DTLS_ST_SW_HELLO_VERIFY_REQUEST:
s->shutdown = 0;
if (SSL_CONNECTION_IS_DTLS(s)) {
dtls1_clear_sent_buffer(s);
st->use_timer = 0;
}
break;
case TLS_ST_SW_SRVR_HELLO:
if (SSL_CONNECTION_IS_DTLS(s)) {
st->use_timer = 1;
}
break;
case TLS_ST_SW_SRVR_DONE:
#ifndef OPENSSL_NO_SCTP
if (SSL_CONNECTION_IS_DTLS(s) && BIO_dgram_is_sctp(SSL_get_wbio(ssl))) {
return dtls_wait_for_dry(s);
}
#endif
return WORK_FINISHED_CONTINUE;
case TLS_ST_SW_SESSION_TICKET:
if (SSL_CONNECTION_IS_TLS13(s) && s->sent_tickets == 0
&& s->ext.extra_tickets_expected == 0) {
return tls_finish_handshake(s, wst, 0, 0);
}
if (SSL_CONNECTION_IS_DTLS(s)) {
st->use_timer = 0;
}
break;
case TLS_ST_SW_CHANGE:
if (SSL_CONNECTION_IS_TLS13(s))
break;
if (s->session->cipher == NULL) {
s->session->cipher = s->s3.tmp.new_cipher;
} else if (s->session->cipher != s->s3.tmp.new_cipher) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return WORK_ERROR;
}
if (!ssl->method->ssl3_enc->setup_key_block(s)) {
return WORK_ERROR;
}
if (SSL_CONNECTION_IS_DTLS(s)) {
st->use_timer = 0;
}
return WORK_FINISHED_CONTINUE;
case TLS_ST_EARLY_DATA:
if (s->early_data_state != SSL_EARLY_DATA_ACCEPTING
&& (s->s3.flags & TLS1_FLAGS_STATELESS) == 0)
return WORK_FINISHED_CONTINUE;
case TLS_ST_OK:
return tls_finish_handshake(s, wst, 1, 1);
}
return WORK_FINISHED_CONTINUE;
}
static ossl_inline int conn_is_closed(void)
{
switch (get_last_sys_error()) {
#if defined(EPIPE)
case EPIPE:
return 1;
#endif
#if defined(ECONNRESET)
case ECONNRESET:
return 1;
#endif
#if defined(WSAECONNRESET)
case WSAECONNRESET:
return 1;
#endif
default:
return 0;
}
}
WORK_STATE ossl_statem_server_post_work(SSL_CONNECTION *s, WORK_STATE wst)
{
OSSL_STATEM *st = &s->statem;
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
s->init_num = 0;
switch (st->hand_state) {
default:
break;
case TLS_ST_SW_HELLO_REQ:
if (statem_flush(s) != 1)
return WORK_MORE_A;
if (!ssl3_init_finished_mac(s)) {
return WORK_ERROR;
}
break;
case DTLS_ST_SW_HELLO_VERIFY_REQUEST:
if (statem_flush(s) != 1)
return WORK_MORE_A;
if (s->version != DTLS1_BAD_VER && !ssl3_init_finished_mac(s)) {
return WORK_ERROR;
}
s->first_packet = 1;
break;
case TLS_ST_SW_SRVR_HELLO:
if (SSL_CONNECTION_IS_TLS13(s)
&& s->hello_retry_request == SSL_HRR_PENDING) {
if ((s->options & SSL_OP_ENABLE_MIDDLEBOX_COMPAT) == 0
&& statem_flush(s) != 1)
return WORK_MORE_A;
break;
}
#ifndef OPENSSL_NO_SCTP
if (SSL_CONNECTION_IS_DTLS(s) && s->hit) {
unsigned char sctpauthkey[64];
char labelbuffer[sizeof(DTLS1_SCTP_AUTH_LABEL)];
size_t labellen;
memcpy(labelbuffer, DTLS1_SCTP_AUTH_LABEL,
sizeof(DTLS1_SCTP_AUTH_LABEL));
labellen = sizeof(labelbuffer) - 1;
if (s->mode & SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG)
labellen += 1;
if (SSL_export_keying_material(ssl, sctpauthkey,
sizeof(sctpauthkey), labelbuffer,
labellen, NULL, 0,
0) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return WORK_ERROR;
}
BIO_ctrl(SSL_get_wbio(ssl), BIO_CTRL_DGRAM_SCTP_ADD_AUTH_KEY,
sizeof(sctpauthkey), sctpauthkey);
}
#endif
if (!SSL_CONNECTION_IS_TLS13(s)
|| ((s->options & SSL_OP_ENABLE_MIDDLEBOX_COMPAT) != 0
&& s->hello_retry_request != SSL_HRR_COMPLETE))
break;
case TLS_ST_SW_CHANGE:
if (s->hello_retry_request == SSL_HRR_PENDING) {
if (!statem_flush(s))
return WORK_MORE_A;
break;
}
if (SSL_CONNECTION_IS_TLS13(s)) {
if (!ssl->method->ssl3_enc->setup_key_block(s)
|| !ssl->method->ssl3_enc->change_cipher_state(s,
SSL3_CC_HANDSHAKE | SSL3_CHANGE_CIPHER_SERVER_WRITE)) {
return WORK_ERROR;
}
if (s->ext.early_data != SSL_EARLY_DATA_ACCEPTED
&& !ssl->method->ssl3_enc->change_cipher_state(s,
SSL3_CC_HANDSHAKE |SSL3_CHANGE_CIPHER_SERVER_READ)) {
return WORK_ERROR;
}
if (s->rlayer.rrlmethod->set_plain_alerts != NULL)
s->rlayer.rrlmethod->set_plain_alerts(s->rlayer.rrl, 1);
break;
}
#ifndef OPENSSL_NO_SCTP
if (SSL_CONNECTION_IS_DTLS(s) && !s->hit) {
BIO_ctrl(SSL_get_wbio(ssl), BIO_CTRL_DGRAM_SCTP_NEXT_AUTH_KEY,
0, NULL);
}
#endif
if (!ssl->method->ssl3_enc->change_cipher_state(s,
SSL3_CHANGE_CIPHER_SERVER_WRITE)) {
return WORK_ERROR;
}
break;
case TLS_ST_SW_SRVR_DONE:
if (statem_flush(s) != 1)
return WORK_MORE_A;
break;
case TLS_ST_SW_FINISHED:
if (statem_flush(s) != 1)
return WORK_MORE_A;
#ifndef OPENSSL_NO_SCTP
if (SSL_CONNECTION_IS_DTLS(s) && s->hit) {
BIO_ctrl(SSL_get_wbio(ssl), BIO_CTRL_DGRAM_SCTP_NEXT_AUTH_KEY,
0, NULL);
}
#endif
if (SSL_CONNECTION_IS_TLS13(s)) {
size_t dummy;
if (!ssl->method->ssl3_enc->generate_master_secret(s,
s->master_secret, s->handshake_secret, 0,
&dummy)
|| !ssl->method->ssl3_enc->change_cipher_state(s,
SSL3_CC_APPLICATION | SSL3_CHANGE_CIPHER_SERVER_WRITE))
return WORK_ERROR;
}
break;
case TLS_ST_SW_CERT_REQ:
if (s->post_handshake_auth == SSL_PHA_REQUEST_PENDING) {
if (statem_flush(s) != 1)
return WORK_MORE_A;
} else {
if (!SSL_CONNECTION_IS_TLS13(s)
|| (s->options & SSL_OP_NO_TX_CERTIFICATE_COMPRESSION) != 0)
s->ext.compress_certificate_from_peer[0] = TLSEXT_comp_cert_none;
}
break;
case TLS_ST_SW_ENCRYPTED_EXTENSIONS:
if (!s->hit && !send_certificate_request(s)) {
if (!SSL_CONNECTION_IS_TLS13(s)
|| (s->options & SSL_OP_NO_TX_CERTIFICATE_COMPRESSION) != 0)
s->ext.compress_certificate_from_peer[0] = TLSEXT_comp_cert_none;
}
break;
case TLS_ST_SW_KEY_UPDATE:
if (statem_flush(s) != 1)
return WORK_MORE_A;
if (!tls13_update_key(s, 1)) {
return WORK_ERROR;
}
break;
case TLS_ST_SW_SESSION_TICKET:
clear_sys_error();
if (SSL_CONNECTION_IS_TLS13(s) && statem_flush(s) != 1) {
if (SSL_get_error(ssl, 0) == SSL_ERROR_SYSCALL
&& conn_is_closed()) {
s->rwstate = SSL_NOTHING;
break;
}
return WORK_MORE_A;
}
break;
}
return WORK_FINISHED_CONTINUE;
}
int ossl_statem_server_construct_message(SSL_CONNECTION *s,
confunc_f *confunc, int *mt)
{
OSSL_STATEM *st = &s->statem;
switch (st->hand_state) {
default:
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_BAD_HANDSHAKE_STATE);
return 0;
case TLS_ST_SW_CHANGE:
if (SSL_CONNECTION_IS_DTLS(s))
*confunc = dtls_construct_change_cipher_spec;
else
*confunc = tls_construct_change_cipher_spec;
*mt = SSL3_MT_CHANGE_CIPHER_SPEC;
break;
case DTLS_ST_SW_HELLO_VERIFY_REQUEST:
*confunc = dtls_construct_hello_verify_request;
*mt = DTLS1_MT_HELLO_VERIFY_REQUEST;
break;
case TLS_ST_SW_HELLO_REQ:
*confunc = NULL;
*mt = SSL3_MT_HELLO_REQUEST;
break;
case TLS_ST_SW_SRVR_HELLO:
*confunc = tls_construct_server_hello;
*mt = SSL3_MT_SERVER_HELLO;
break;
case TLS_ST_SW_CERT:
*confunc = tls_construct_server_certificate;
*mt = SSL3_MT_CERTIFICATE;
break;
#ifndef OPENSSL_NO_COMP_ALG
case TLS_ST_SW_COMP_CERT:
*confunc = tls_construct_server_compressed_certificate;
*mt = SSL3_MT_COMPRESSED_CERTIFICATE;
break;
#endif
case TLS_ST_SW_CERT_VRFY:
*confunc = tls_construct_cert_verify;
*mt = SSL3_MT_CERTIFICATE_VERIFY;
break;
case TLS_ST_SW_KEY_EXCH:
*confunc = tls_construct_server_key_exchange;
*mt = SSL3_MT_SERVER_KEY_EXCHANGE;
break;
case TLS_ST_SW_CERT_REQ:
*confunc = tls_construct_certificate_request;
*mt = SSL3_MT_CERTIFICATE_REQUEST;
break;
case TLS_ST_SW_SRVR_DONE:
*confunc = tls_construct_server_done;
*mt = SSL3_MT_SERVER_DONE;
break;
case TLS_ST_SW_SESSION_TICKET:
*confunc = tls_construct_new_session_ticket;
*mt = SSL3_MT_NEWSESSION_TICKET;
break;
case TLS_ST_SW_CERT_STATUS:
*confunc = tls_construct_cert_status;
*mt = SSL3_MT_CERTIFICATE_STATUS;
break;
case TLS_ST_SW_FINISHED:
*confunc = tls_construct_finished;
*mt = SSL3_MT_FINISHED;
break;
case TLS_ST_EARLY_DATA:
*confunc = NULL;
*mt = SSL3_MT_DUMMY;
break;
case TLS_ST_SW_ENCRYPTED_EXTENSIONS:
*confunc = tls_construct_encrypted_extensions;
*mt = SSL3_MT_ENCRYPTED_EXTENSIONS;
break;
case TLS_ST_SW_KEY_UPDATE:
*confunc = tls_construct_key_update;
*mt = SSL3_MT_KEY_UPDATE;
break;
}
return 1;
}
#define CLIENT_HELLO_MAX_LENGTH 131396
#define CLIENT_KEY_EXCH_MAX_LENGTH 2048
#define NEXT_PROTO_MAX_LENGTH 514
size_t ossl_statem_server_max_message_size(SSL_CONNECTION *s)
{
OSSL_STATEM *st = &s->statem;
switch (st->hand_state) {
default:
return 0;
case TLS_ST_SR_CLNT_HELLO:
return CLIENT_HELLO_MAX_LENGTH;
case TLS_ST_SR_END_OF_EARLY_DATA:
return END_OF_EARLY_DATA_MAX_LENGTH;
case TLS_ST_SR_COMP_CERT:
case TLS_ST_SR_CERT:
return s->max_cert_list;
case TLS_ST_SR_KEY_EXCH:
return CLIENT_KEY_EXCH_MAX_LENGTH;
case TLS_ST_SR_CERT_VRFY:
return CERTIFICATE_VERIFY_MAX_LENGTH;
#ifndef OPENSSL_NO_NEXTPROTONEG
case TLS_ST_SR_NEXT_PROTO:
return NEXT_PROTO_MAX_LENGTH;
#endif
case TLS_ST_SR_CHANGE:
return CCS_MAX_LENGTH;
case TLS_ST_SR_FINISHED:
return FINISHED_MAX_LENGTH;
case TLS_ST_SR_KEY_UPDATE:
return KEY_UPDATE_MAX_LENGTH;
}
}
MSG_PROCESS_RETURN ossl_statem_server_process_message(SSL_CONNECTION *s,
PACKET *pkt)
{
OSSL_STATEM *st = &s->statem;
switch (st->hand_state) {
default:
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return MSG_PROCESS_ERROR;
case TLS_ST_SR_CLNT_HELLO:
return tls_process_client_hello(s, pkt);
case TLS_ST_SR_END_OF_EARLY_DATA:
return tls_process_end_of_early_data(s, pkt);
case TLS_ST_SR_CERT:
return tls_process_client_certificate(s, pkt);
#ifndef OPENSSL_NO_COMP_ALG
case TLS_ST_SR_COMP_CERT:
return tls_process_client_compressed_certificate(s, pkt);
#endif
case TLS_ST_SR_KEY_EXCH:
return tls_process_client_key_exchange(s, pkt);
case TLS_ST_SR_CERT_VRFY:
return tls_process_cert_verify(s, pkt);
#ifndef OPENSSL_NO_NEXTPROTONEG
case TLS_ST_SR_NEXT_PROTO:
return tls_process_next_proto(s, pkt);
#endif
case TLS_ST_SR_CHANGE:
return tls_process_change_cipher_spec(s, pkt);
case TLS_ST_SR_FINISHED:
return tls_process_finished(s, pkt);
case TLS_ST_SR_KEY_UPDATE:
return tls_process_key_update(s, pkt);
}
}
WORK_STATE ossl_statem_server_post_process_message(SSL_CONNECTION *s,
WORK_STATE wst)
{
OSSL_STATEM *st = &s->statem;
switch (st->hand_state) {
default:
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return WORK_ERROR;
case TLS_ST_SR_CLNT_HELLO:
return tls_post_process_client_hello(s, wst);
case TLS_ST_SR_KEY_EXCH:
return tls_post_process_client_key_exchange(s, wst);
}
}
#ifndef OPENSSL_NO_SRP
static int ssl_check_srp_ext_ClientHello(SSL_CONNECTION *s)
{
int ret;
int al = SSL_AD_UNRECOGNIZED_NAME;
if ((s->s3.tmp.new_cipher->algorithm_mkey & SSL_kSRP) &&
(s->srp_ctx.TLS_ext_srp_username_callback != NULL)) {
if (s->srp_ctx.login == NULL) {
SSLfatal(s, SSL_AD_UNKNOWN_PSK_IDENTITY,
SSL_R_PSK_IDENTITY_NOT_FOUND);
return -1;
} else {
ret = ssl_srp_server_param_with_username_intern(s, &al);
if (ret < 0)
return 0;
if (ret == SSL3_AL_FATAL) {
SSLfatal(s, al,
al == SSL_AD_UNKNOWN_PSK_IDENTITY
? SSL_R_PSK_IDENTITY_NOT_FOUND
: SSL_R_CLIENTHELLO_TLSEXT);
return -1;
}
}
}
return 1;
}
#endif
int dtls_raw_hello_verify_request(WPACKET *pkt, unsigned char *cookie,
size_t cookie_len)
{
if (!WPACKET_put_bytes_u16(pkt, DTLS1_VERSION)
|| !WPACKET_sub_memcpy_u8(pkt, cookie, cookie_len))
return 0;
return 1;
}
CON_FUNC_RETURN dtls_construct_hello_verify_request(SSL_CONNECTION *s,
WPACKET *pkt)
{
unsigned int cookie_leni;
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
if (sctx->app_gen_cookie_cb == NULL
|| sctx->app_gen_cookie_cb(SSL_CONNECTION_GET_SSL(s), s->d1->cookie,
&cookie_leni) == 0
|| cookie_leni > DTLS1_COOKIE_LENGTH) {
SSLfatal(s, SSL_AD_NO_ALERT, SSL_R_COOKIE_GEN_CALLBACK_FAILURE);
return CON_FUNC_ERROR;
}
s->d1->cookie_len = cookie_leni;
if (!dtls_raw_hello_verify_request(pkt, s->d1->cookie,
s->d1->cookie_len)) {
SSLfatal(s, SSL_AD_NO_ALERT, ERR_R_INTERNAL_ERROR);
return CON_FUNC_ERROR;
}
return CON_FUNC_SUCCESS;
}
static void ssl_check_for_safari(SSL_CONNECTION *s,
const CLIENTHELLO_MSG *hello)
{
static const unsigned char kSafariExtensionsBlock[] = {
0x00, 0x0a,
0x00, 0x08,
0x00, 0x06,
0x00, 0x17,
0x00, 0x18,
0x00, 0x19,
0x00, 0x0b,
0x00, 0x02,
0x01,
0x00,
0x00, 0x0d,
0x00, 0x0c,
0x00, 0x0a,
0x05, 0x01,
0x04, 0x01,
0x02, 0x01,
0x04, 0x03,
0x02, 0x03,
};
static const size_t kSafariCommonExtensionsLength = 18;
unsigned int type;
PACKET sni, tmppkt;
size_t ext_len;
tmppkt = hello->extensions;
if (!PACKET_forward(&tmppkt, 2)
|| !PACKET_get_net_2(&tmppkt, &type)
|| !PACKET_get_length_prefixed_2(&tmppkt, &sni)) {
return;
}
if (type != TLSEXT_TYPE_server_name)
return;
ext_len = TLS1_get_client_version(
SSL_CONNECTION_GET_SSL(s)) >= TLS1_2_VERSION ?
sizeof(kSafariExtensionsBlock) : kSafariCommonExtensionsLength;
s->s3.is_probably_safari = PACKET_equal(&tmppkt, kSafariExtensionsBlock,
ext_len);
}
#define RENEG_OPTIONS_OK(options) \
((options & SSL_OP_NO_RENEGOTIATION) == 0 \
&& (options & SSL_OP_ALLOW_CLIENT_RENEGOTIATION) != 0)
MSG_PROCESS_RETURN tls_process_client_hello(SSL_CONNECTION *s, PACKET *pkt)
{
PACKET session_id, compression, extensions, cookie;
static const unsigned char null_compression = 0;
CLIENTHELLO_MSG *clienthello = NULL;
if (s->renegotiate == 0 && !SSL_IS_FIRST_HANDSHAKE(s)) {
if (!ossl_assert(!SSL_CONNECTION_IS_TLS13(s))) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
if (!RENEG_OPTIONS_OK(s->options)
|| (!s->s3.send_connection_binding
&& (s->options
& SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION) == 0)) {
ssl3_send_alert(s, SSL3_AL_WARNING, SSL_AD_NO_RENEGOTIATION);
return MSG_PROCESS_FINISHED_READING;
}
s->renegotiate = 1;
s->new_session = 1;
}
clienthello = OPENSSL_zalloc(sizeof(*clienthello));
if (clienthello == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
clienthello->isv2 = RECORD_LAYER_is_sslv2_record(&s->rlayer);
PACKET_null_init(&cookie);
if (clienthello->isv2) {
unsigned int mt;
if (!SSL_IS_FIRST_HANDSHAKE(s)
|| s->hello_retry_request != SSL_HRR_NONE) {
SSLfatal(s, SSL_AD_UNEXPECTED_MESSAGE, SSL_R_UNEXPECTED_MESSAGE);
goto err;
}
if (!PACKET_get_1(pkt, &mt)
|| mt != SSL2_MT_CLIENT_HELLO) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
}
if (!PACKET_get_net_2(pkt, &clienthello->legacy_version)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_TOO_SHORT);
goto err;
}
if (clienthello->isv2) {
unsigned int ciphersuite_len, session_id_len, challenge_len;
PACKET challenge;
if (!PACKET_get_net_2(pkt, &ciphersuite_len)
|| !PACKET_get_net_2(pkt, &session_id_len)
|| !PACKET_get_net_2(pkt, &challenge_len)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_RECORD_LENGTH_MISMATCH);
goto err;
}
if (session_id_len > SSL_MAX_SSL_SESSION_ID_LENGTH) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_LENGTH_MISMATCH);
goto err;
}
if (!PACKET_get_sub_packet(pkt, &clienthello->ciphersuites,
ciphersuite_len)
|| !PACKET_copy_bytes(pkt, clienthello->session_id, session_id_len)
|| !PACKET_get_sub_packet(pkt, &challenge, challenge_len)
|| PACKET_remaining(pkt) != 0) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_RECORD_LENGTH_MISMATCH);
goto err;
}
clienthello->session_id_len = session_id_len;
challenge_len = challenge_len > SSL3_RANDOM_SIZE
? SSL3_RANDOM_SIZE : challenge_len;
memset(clienthello->random, 0, SSL3_RANDOM_SIZE);
if (!PACKET_copy_bytes(&challenge,
clienthello->random + SSL3_RANDOM_SIZE -
challenge_len, challenge_len)
|| !PACKET_buf_init(&compression, &null_compression, 1)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
PACKET_null_init(&clienthello->extensions);
} else {
if (!PACKET_copy_bytes(pkt, clienthello->random, SSL3_RANDOM_SIZE)
|| !PACKET_get_length_prefixed_1(pkt, &session_id)
|| !PACKET_copy_all(&session_id, clienthello->session_id,
SSL_MAX_SSL_SESSION_ID_LENGTH,
&clienthello->session_id_len)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
goto err;
}
if (SSL_CONNECTION_IS_DTLS(s)) {
if (!PACKET_get_length_prefixed_1(pkt, &cookie)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
goto err;
}
if (!PACKET_copy_all(&cookie, clienthello->dtls_cookie,
DTLS1_COOKIE_LENGTH,
&clienthello->dtls_cookie_len)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
if (SSL_get_options(SSL_CONNECTION_GET_SSL(s)) & SSL_OP_COOKIE_EXCHANGE) {
if (clienthello->dtls_cookie_len == 0) {
OPENSSL_free(clienthello);
return MSG_PROCESS_FINISHED_READING;
}
}
}
if (!PACKET_get_length_prefixed_2(pkt, &clienthello->ciphersuites)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
goto err;
}
if (!PACKET_get_length_prefixed_1(pkt, &compression)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
goto err;
}
if (PACKET_remaining(pkt) == 0) {
PACKET_null_init(&clienthello->extensions);
} else {
if (!PACKET_get_length_prefixed_2(pkt, &clienthello->extensions)
|| PACKET_remaining(pkt) != 0) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
goto err;
}
}
}
if (!PACKET_copy_all(&compression, clienthello->compressions,
MAX_COMPRESSIONS_SIZE,
&clienthello->compressions_len)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
extensions = clienthello->extensions;
if (!tls_collect_extensions(s, &extensions, SSL_EXT_CLIENT_HELLO,
&clienthello->pre_proc_exts,
&clienthello->pre_proc_exts_len, 1)) {
goto err;
}
s->clienthello = clienthello;
return MSG_PROCESS_CONTINUE_PROCESSING;
err:
if (clienthello != NULL)
OPENSSL_free(clienthello->pre_proc_exts);
OPENSSL_free(clienthello);
return MSG_PROCESS_ERROR;
}
static int tls_early_post_process_client_hello(SSL_CONNECTION *s)
{
unsigned int j;
int i, al = SSL_AD_INTERNAL_ERROR;
int protverr;
size_t loop;
unsigned long id;
#ifndef OPENSSL_NO_COMP
SSL_COMP *comp = NULL;
#endif
const SSL_CIPHER *c;
STACK_OF(SSL_CIPHER) *ciphers = NULL;
STACK_OF(SSL_CIPHER) *scsvs = NULL;
CLIENTHELLO_MSG *clienthello = s->clienthello;
DOWNGRADE dgrd = DOWNGRADE_NONE;
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
if (sctx->client_hello_cb != NULL) {
switch (sctx->client_hello_cb(ssl, &al, sctx->client_hello_cb_arg)) {
case SSL_CLIENT_HELLO_SUCCESS:
break;
case SSL_CLIENT_HELLO_RETRY:
s->rwstate = SSL_CLIENT_HELLO_CB;
return -1;
case SSL_CLIENT_HELLO_ERROR:
default:
SSLfatal(s, al, SSL_R_CALLBACK_FAILED);
goto err;
}
}
memcpy(s->s3.client_random, clienthello->random, SSL3_RANDOM_SIZE);
if (clienthello->isv2) {
if (clienthello->legacy_version == SSL2_VERSION
|| (clienthello->legacy_version & 0xff00)
!= (SSL3_VERSION_MAJOR << 8)) {
SSLfatal(s, SSL_AD_PROTOCOL_VERSION, SSL_R_UNKNOWN_PROTOCOL);
goto err;
}
s->client_version = clienthello->legacy_version;
}
protverr = ssl_choose_server_version(s, clienthello, &dgrd);
if (protverr) {
if (SSL_IS_FIRST_HANDSHAKE(s)) {
s->version = s->client_version = clienthello->legacy_version;
}
SSLfatal(s, SSL_AD_PROTOCOL_VERSION, protverr);
goto err;
}
if (SSL_CONNECTION_IS_TLS13(s)
&& RECORD_LAYER_processed_read_pending(&s->rlayer)) {
SSLfatal(s, SSL_AD_UNEXPECTED_MESSAGE, SSL_R_NOT_ON_RECORD_BOUNDARY);
goto err;
}
if (SSL_CONNECTION_IS_DTLS(s)) {
if (SSL_get_options(ssl) & SSL_OP_COOKIE_EXCHANGE) {
if (sctx->app_verify_cookie_cb != NULL) {
if (sctx->app_verify_cookie_cb(ssl, clienthello->dtls_cookie,
clienthello->dtls_cookie_len) == 0) {
SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE,
SSL_R_COOKIE_MISMATCH);
goto err;
}
} else if (s->d1->cookie_len != clienthello->dtls_cookie_len
|| memcmp(clienthello->dtls_cookie, s->d1->cookie,
s->d1->cookie_len) != 0) {
SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_R_COOKIE_MISMATCH);
goto err;
}
s->d1->cookie_verified = 1;
}
}
s->hit = 0;
if (!ssl_cache_cipherlist(s, &clienthello->ciphersuites,
clienthello->isv2) ||
!ossl_bytes_to_cipher_list(s, &clienthello->ciphersuites, &ciphers,
&scsvs, clienthello->isv2, 1)) {
goto err;
}
s->s3.send_connection_binding = 0;
if (scsvs != NULL) {
for (i = 0; i < sk_SSL_CIPHER_num(scsvs); i++) {
c = sk_SSL_CIPHER_value(scsvs, i);
if (SSL_CIPHER_get_id(c) == SSL3_CK_SCSV) {
if (s->renegotiate) {
SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE,
SSL_R_SCSV_RECEIVED_WHEN_RENEGOTIATING);
goto err;
}
s->s3.send_connection_binding = 1;
} else if (SSL_CIPHER_get_id(c) == SSL3_CK_FALLBACK_SCSV &&
!ssl_check_version_downgrade(s)) {
SSLfatal(s, SSL_AD_INAPPROPRIATE_FALLBACK,
SSL_R_INAPPROPRIATE_FALLBACK);
goto err;
}
}
}
if (SSL_CONNECTION_IS_TLS13(s)) {
const SSL_CIPHER *cipher =
ssl3_choose_cipher(s, ciphers, SSL_get_ciphers(ssl));
if (cipher == NULL) {
SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_R_NO_SHARED_CIPHER);
goto err;
}
if (s->hello_retry_request == SSL_HRR_PENDING
&& (s->s3.tmp.new_cipher == NULL
|| s->s3.tmp.new_cipher->id != cipher->id)) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_BAD_CIPHER);
goto err;
}
s->s3.tmp.new_cipher = cipher;
}
if (!tls_parse_extension(s, TLSEXT_IDX_extended_master_secret,
SSL_EXT_CLIENT_HELLO,
clienthello->pre_proc_exts, NULL, 0)) {
goto err;
}
if (clienthello->isv2 ||
(s->new_session &&
(s->options & SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION))) {
if (!ssl_get_new_session(s, 1)) {
goto err;
}
} else {
i = ssl_get_prev_session(s, clienthello);
if (i == 1) {
s->hit = 1;
} else if (i == -1) {
goto err;
} else {
if (!ssl_get_new_session(s, 1)) {
goto err;
}
}
}
if (SSL_CONNECTION_IS_TLS13(s)) {
memcpy(s->tmp_session_id, s->clienthello->session_id,
s->clienthello->session_id_len);
s->tmp_session_id_len = s->clienthello->session_id_len;
}
if (!SSL_CONNECTION_IS_TLS13(s) && s->hit) {
j = 0;
id = s->session->cipher->id;
OSSL_TRACE_BEGIN(TLS_CIPHER) {
BIO_printf(trc_out, "client sent %d ciphers\n",
sk_SSL_CIPHER_num(ciphers));
}
for (i = 0; i < sk_SSL_CIPHER_num(ciphers); i++) {
c = sk_SSL_CIPHER_value(ciphers, i);
if (trc_out != NULL)
BIO_printf(trc_out, "client [%2d of %2d]:%s\n", i,
sk_SSL_CIPHER_num(ciphers), SSL_CIPHER_get_name(c));
if (c->id == id) {
j = 1;
break;
}
}
if (j == 0) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER,
SSL_R_REQUIRED_CIPHER_MISSING);
OSSL_TRACE_CANCEL(TLS_CIPHER);
goto err;
}
OSSL_TRACE_END(TLS_CIPHER);
}
for (loop = 0; loop < clienthello->compressions_len; loop++) {
if (clienthello->compressions[loop] == 0)
break;
}
if (loop >= clienthello->compressions_len) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_NO_COMPRESSION_SPECIFIED);
goto err;
}
if (s->options & SSL_OP_SAFARI_ECDHE_ECDSA_BUG)
ssl_check_for_safari(s, clienthello);
if (!tls_parse_all_extensions(s, SSL_EXT_CLIENT_HELLO,
clienthello->pre_proc_exts, NULL, 0, 1)) {
goto err;
}
{
unsigned char *pos;
pos = s->s3.server_random;
if (ssl_fill_hello_random(s, 1, pos, SSL3_RANDOM_SIZE, dgrd) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
}
if (!s->hit
&& s->version >= TLS1_VERSION
&& !SSL_CONNECTION_IS_TLS13(s)
&& !SSL_CONNECTION_IS_DTLS(s)
&& s->ext.session_secret_cb != NULL) {
const SSL_CIPHER *pref_cipher = NULL;
int master_key_length;
master_key_length = sizeof(s->session->master_key);
if (s->ext.session_secret_cb(ssl, s->session->master_key,
&master_key_length, ciphers,
&pref_cipher,
s->ext.session_secret_cb_arg)
&& master_key_length > 0) {
s->session->master_key_length = master_key_length;
s->hit = 1;
s->peer_ciphers = ciphers;
s->session->verify_result = X509_V_OK;
ciphers = NULL;
if (pref_cipher == NULL)
pref_cipher = ssl3_choose_cipher(s, s->peer_ciphers,
SSL_get_ciphers(ssl));
if (pref_cipher == NULL) {
SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_R_NO_SHARED_CIPHER);
goto err;
}
s->session->cipher = pref_cipher;
sk_SSL_CIPHER_free(s->cipher_list);
s->cipher_list = sk_SSL_CIPHER_dup(s->peer_ciphers);
sk_SSL_CIPHER_free(s->cipher_list_by_id);
s->cipher_list_by_id = sk_SSL_CIPHER_dup(s->peer_ciphers);
}
}
s->s3.tmp.new_compression = NULL;
if (SSL_CONNECTION_IS_TLS13(s)) {
if (clienthello->compressions_len != 1) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER,
SSL_R_INVALID_COMPRESSION_ALGORITHM);
goto err;
}
}
#ifndef OPENSSL_NO_COMP
else if (s->session->compress_meth != 0) {
int m, comp_id = s->session->compress_meth;
unsigned int k;
if (!ssl_allow_compression(s)) {
SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE,
SSL_R_INCONSISTENT_COMPRESSION);
goto err;
}
for (m = 0; m < sk_SSL_COMP_num(sctx->comp_methods); m++) {
comp = sk_SSL_COMP_value(sctx->comp_methods, m);
if (comp_id == comp->id) {
s->s3.tmp.new_compression = comp;
break;
}
}
if (s->s3.tmp.new_compression == NULL) {
SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE,
SSL_R_INVALID_COMPRESSION_ALGORITHM);
goto err;
}
for (k = 0; k < clienthello->compressions_len; k++) {
if (clienthello->compressions[k] == comp_id)
break;
}
if (k >= clienthello->compressions_len) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER,
SSL_R_REQUIRED_COMPRESSION_ALGORITHM_MISSING);
goto err;
}
} else if (s->hit) {
comp = NULL;
} else if (ssl_allow_compression(s) && sctx->comp_methods) {
int m, nn, v, done = 0;
unsigned int o;
nn = sk_SSL_COMP_num(sctx->comp_methods);
for (m = 0; m < nn; m++) {
comp = sk_SSL_COMP_value(sctx->comp_methods, m);
v = comp->id;
for (o = 0; o < clienthello->compressions_len; o++) {
if (v == clienthello->compressions[o]) {
done = 1;
break;
}
}
if (done)
break;
}
if (done)
s->s3.tmp.new_compression = comp;
else
comp = NULL;
}
#else
if (s->session->compress_meth != 0) {
SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_R_INCONSISTENT_COMPRESSION);
goto err;
}
#endif
if (!s->hit || SSL_CONNECTION_IS_TLS13(s)) {
sk_SSL_CIPHER_free(s->peer_ciphers);
s->peer_ciphers = ciphers;
if (ciphers == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
ciphers = NULL;
}
if (!s->hit) {
#ifdef OPENSSL_NO_COMP
s->session->compress_meth = 0;
#else
s->session->compress_meth = (comp == NULL) ? 0 : comp->id;
#endif
if (!tls1_set_server_sigalgs(s)) {
goto err;
}
}
sk_SSL_CIPHER_free(ciphers);
sk_SSL_CIPHER_free(scsvs);
OPENSSL_free(clienthello->pre_proc_exts);
OPENSSL_free(s->clienthello);
s->clienthello = NULL;
return 1;
err:
sk_SSL_CIPHER_free(ciphers);
sk_SSL_CIPHER_free(scsvs);
OPENSSL_free(clienthello->pre_proc_exts);
OPENSSL_free(s->clienthello);
s->clienthello = NULL;
return 0;
}
static int tls_handle_status_request(SSL_CONNECTION *s)
{
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
s->ext.status_expected = 0;
if (s->ext.status_type != TLSEXT_STATUSTYPE_nothing && sctx != NULL
&& sctx->ext.status_cb != NULL) {
int ret;
if (s->s3.tmp.cert != NULL) {
s->cert->key = s->s3.tmp.cert;
ret = sctx->ext.status_cb(SSL_CONNECTION_GET_SSL(s),
sctx->ext.status_arg);
switch (ret) {
case SSL_TLSEXT_ERR_NOACK:
s->ext.status_expected = 0;
break;
case SSL_TLSEXT_ERR_OK:
if (s->ext.ocsp.resp)
s->ext.status_expected = 1;
break;
case SSL_TLSEXT_ERR_ALERT_FATAL:
default:
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_CLIENTHELLO_TLSEXT);
return 0;
}
}
}
return 1;
}
int tls_handle_alpn(SSL_CONNECTION *s)
{
const unsigned char *selected = NULL;
unsigned char selected_len = 0;
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
if (sctx->ext.alpn_select_cb != NULL && s->s3.alpn_proposed != NULL) {
int r = sctx->ext.alpn_select_cb(SSL_CONNECTION_GET_SSL(s),
&selected, &selected_len,
s->s3.alpn_proposed,
(unsigned int)s->s3.alpn_proposed_len,
sctx->ext.alpn_select_cb_arg);
if (r == SSL_TLSEXT_ERR_OK) {
OPENSSL_free(s->s3.alpn_selected);
s->s3.alpn_selected = OPENSSL_memdup(selected, selected_len);
if (s->s3.alpn_selected == NULL) {
s->s3.alpn_selected_len = 0;
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
s->s3.alpn_selected_len = selected_len;
#ifndef OPENSSL_NO_NEXTPROTONEG
s->s3.npn_seen = 0;
#endif
if (s->session->ext.alpn_selected == NULL
|| selected_len != s->session->ext.alpn_selected_len
|| memcmp(selected, s->session->ext.alpn_selected,
selected_len) != 0) {
s->ext.early_data_ok = 0;
if (!s->hit) {
if (!ossl_assert(s->session->ext.alpn_selected == NULL)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR,
ERR_R_INTERNAL_ERROR);
return 0;
}
s->session->ext.alpn_selected = OPENSSL_memdup(selected,
selected_len);
if (s->session->ext.alpn_selected == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR,
ERR_R_INTERNAL_ERROR);
return 0;
}
s->session->ext.alpn_selected_len = selected_len;
}
}
return 1;
} else if (r != SSL_TLSEXT_ERR_NOACK) {
SSLfatal(s, SSL_AD_NO_APPLICATION_PROTOCOL,
SSL_R_NO_APPLICATION_PROTOCOL);
return 0;
}
}
if (s->session->ext.alpn_selected != NULL) {
s->ext.early_data_ok = 0;
}
return 1;
}
WORK_STATE tls_post_process_client_hello(SSL_CONNECTION *s, WORK_STATE wst)
{
const SSL_CIPHER *cipher;
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
if (wst == WORK_MORE_A) {
int rv = tls_early_post_process_client_hello(s);
if (rv == 0) {
goto err;
}
if (rv < 0)
return WORK_MORE_A;
wst = WORK_MORE_B;
}
if (wst == WORK_MORE_B) {
if (!s->hit || SSL_CONNECTION_IS_TLS13(s)) {
if (!s->hit && s->cert->cert_cb != NULL) {
int rv = s->cert->cert_cb(ssl, s->cert->cert_cb_arg);
if (rv == 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_CERT_CB_ERROR);
goto err;
}
if (rv < 0) {
s->rwstate = SSL_X509_LOOKUP;
return WORK_MORE_B;
}
s->rwstate = SSL_NOTHING;
}
if (!SSL_CONNECTION_IS_TLS13(s)) {
cipher =
ssl3_choose_cipher(s, s->peer_ciphers,
SSL_get_ciphers(ssl));
if (cipher == NULL) {
SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE,
SSL_R_NO_SHARED_CIPHER);
goto err;
}
s->s3.tmp.new_cipher = cipher;
}
if (!s->hit) {
if (!tls_choose_sigalg(s, 1)) {
goto err;
}
if (s->not_resumable_session_cb != NULL)
s->session->not_resumable =
s->not_resumable_session_cb(ssl,
((s->s3.tmp.new_cipher->algorithm_mkey
& (SSL_kDHE | SSL_kECDHE)) != 0));
if (s->session->not_resumable)
s->ext.ticket_expected = 0;
}
} else {
s->s3.tmp.new_cipher = s->session->cipher;
}
if (!tls_handle_status_request(s)) {
goto err;
}
if (!SSL_CONNECTION_IS_TLS13(s) && !tls_handle_alpn(s)) {
goto err;
}
wst = WORK_MORE_C;
}
#ifndef OPENSSL_NO_SRP
if (wst == WORK_MORE_C) {
int ret;
if ((ret = ssl_check_srp_ext_ClientHello(s)) == 0) {
s->rwstate = SSL_X509_LOOKUP;
return WORK_MORE_C;
}
if (ret < 0) {
goto err;
}
}
#endif
return WORK_FINISHED_STOP;
err:
return WORK_ERROR;
}
CON_FUNC_RETURN tls_construct_server_hello(SSL_CONNECTION *s, WPACKET *pkt)
{
int compm;
size_t sl, len;
int version;
unsigned char *session_id;
int usetls13 = SSL_CONNECTION_IS_TLS13(s)
|| s->hello_retry_request == SSL_HRR_PENDING;
version = usetls13 ? TLS1_2_VERSION : s->version;
if (!WPACKET_put_bytes_u16(pkt, version)
|| !WPACKET_memcpy(pkt,
s->hello_retry_request == SSL_HRR_PENDING
? hrrrandom : s->s3.server_random,
SSL3_RANDOM_SIZE)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return CON_FUNC_ERROR;
}
if (s->session->not_resumable ||
(!(SSL_CONNECTION_GET_CTX(s)->session_cache_mode & SSL_SESS_CACHE_SERVER)
&& !s->hit))
s->session->session_id_length = 0;
if (usetls13) {
sl = s->tmp_session_id_len;
session_id = s->tmp_session_id;
} else {
sl = s->session->session_id_length;
session_id = s->session->session_id;
}
if (sl > sizeof(s->session->session_id)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return CON_FUNC_ERROR;
}
#ifdef OPENSSL_NO_COMP
compm = 0;
#else
if (usetls13 || s->s3.tmp.new_compression == NULL)
compm = 0;
else
compm = s->s3.tmp.new_compression->id;
#endif
if (!WPACKET_sub_memcpy_u8(pkt, session_id, sl)
|| !SSL_CONNECTION_GET_SSL(s)->method->put_cipher_by_char(s->s3.tmp.new_cipher,
pkt, &len)
|| !WPACKET_put_bytes_u8(pkt, compm)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return CON_FUNC_ERROR;
}
if (!tls_construct_extensions(s, pkt,
s->hello_retry_request == SSL_HRR_PENDING
? SSL_EXT_TLS1_3_HELLO_RETRY_REQUEST
: (SSL_CONNECTION_IS_TLS13(s)
? SSL_EXT_TLS1_3_SERVER_HELLO
: SSL_EXT_TLS1_2_SERVER_HELLO),
NULL, 0)) {
return CON_FUNC_ERROR;
}
if (s->hello_retry_request == SSL_HRR_PENDING) {
SSL_SESSION_free(s->session);
s->session = NULL;
s->hit = 0;
if (!create_synthetic_message_hash(s, NULL, 0, NULL, 0)) {
return CON_FUNC_ERROR;
}
} else if (!(s->verify_mode & SSL_VERIFY_PEER)
&& !ssl3_digest_cached_records(s, 0)) {
;
return CON_FUNC_ERROR;
}
return CON_FUNC_SUCCESS;
}
CON_FUNC_RETURN tls_construct_server_done(SSL_CONNECTION *s, WPACKET *pkt)
{
if (!s->s3.tmp.cert_request) {
if (!ssl3_digest_cached_records(s, 0)) {
return CON_FUNC_ERROR;
}
}
return CON_FUNC_SUCCESS;
}
CON_FUNC_RETURN tls_construct_server_key_exchange(SSL_CONNECTION *s,
WPACKET *pkt)
{
EVP_PKEY *pkdh = NULL;
unsigned char *encodedPoint = NULL;
size_t encodedlen = 0;
int curve_id = 0;
const SIGALG_LOOKUP *lu = s->s3.tmp.sigalg;
int i;
unsigned long type;
BIGNUM *r[4];
EVP_MD_CTX *md_ctx = EVP_MD_CTX_new();
EVP_PKEY_CTX *pctx = NULL;
size_t paramlen, paramoffset;
int freer = 0;
CON_FUNC_RETURN ret = CON_FUNC_ERROR;
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
if (!WPACKET_get_total_written(pkt, ¶moffset)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
if (md_ctx == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB);
goto err;
}
type = s->s3.tmp.new_cipher->algorithm_mkey;
r[0] = r[1] = r[2] = r[3] = NULL;
#ifndef OPENSSL_NO_PSK
if (type & (SSL_kPSK | SSL_kRSAPSK)) {
} else
#endif
if (type & (SSL_kDHE | SSL_kDHEPSK)) {
CERT *cert = s->cert;
EVP_PKEY *pkdhp = NULL;
if (s->cert->dh_tmp_auto) {
pkdh = ssl_get_auto_dh(s);
if (pkdh == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
pkdhp = pkdh;
} else {
pkdhp = cert->dh_tmp;
}
#if !defined(OPENSSL_NO_DEPRECATED_3_0)
if ((pkdhp == NULL) && (s->cert->dh_tmp_cb != NULL)) {
pkdh = ssl_dh_to_pkey(s->cert->dh_tmp_cb(SSL_CONNECTION_GET_SSL(s),
0, 1024));
if (pkdh == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
pkdhp = pkdh;
}
#endif
if (pkdhp == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_MISSING_TMP_DH_KEY);
goto err;
}
if (!ssl_security(s, SSL_SECOP_TMP_DH,
EVP_PKEY_get_security_bits(pkdhp), 0, pkdhp)) {
SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_R_DH_KEY_TOO_SMALL);
goto err;
}
if (s->s3.tmp.pkey != NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
s->s3.tmp.pkey = ssl_generate_pkey(s, pkdhp);
if (s->s3.tmp.pkey == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
EVP_PKEY_free(pkdh);
pkdh = NULL;
freer = 1;
if (!EVP_PKEY_get_bn_param(s->s3.tmp.pkey, OSSL_PKEY_PARAM_FFC_P,
&r[0])
|| !EVP_PKEY_get_bn_param(s->s3.tmp.pkey, OSSL_PKEY_PARAM_FFC_G,
&r[1])
|| !EVP_PKEY_get_bn_param(s->s3.tmp.pkey,
OSSL_PKEY_PARAM_PUB_KEY, &r[2])) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
} else if (type & (SSL_kECDHE | SSL_kECDHEPSK)) {
if (s->s3.tmp.pkey != NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
curve_id = tls1_shared_group(s, -2);
if (curve_id == 0) {
SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE,
SSL_R_UNSUPPORTED_ELLIPTIC_CURVE);
goto err;
}
s->session->kex_group = curve_id;
s->s3.tmp.pkey = ssl_generate_pkey_group(s, curve_id);
if (s->s3.tmp.pkey == NULL) {
goto err;
}
encodedlen = EVP_PKEY_get1_encoded_public_key(s->s3.tmp.pkey,
&encodedPoint);
if (encodedlen == 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EC_LIB);
goto err;
}
r[0] = NULL;
r[1] = NULL;
r[2] = NULL;
r[3] = NULL;
} else
#ifndef OPENSSL_NO_SRP
if (type & SSL_kSRP) {
if ((s->srp_ctx.N == NULL) ||
(s->srp_ctx.g == NULL) ||
(s->srp_ctx.s == NULL) || (s->srp_ctx.B == NULL)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_MISSING_SRP_PARAM);
goto err;
}
r[0] = s->srp_ctx.N;
r[1] = s->srp_ctx.g;
r[2] = s->srp_ctx.s;
r[3] = s->srp_ctx.B;
} else
#endif
{
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_UNKNOWN_KEY_EXCHANGE_TYPE);
goto err;
}
if (((s->s3.tmp.new_cipher->algorithm_auth & (SSL_aNULL | SSL_aSRP)) != 0)
|| ((s->s3.tmp.new_cipher->algorithm_mkey & SSL_PSK)) != 0) {
lu = NULL;
} else if (lu == NULL) {
SSLfatal(s, SSL_AD_DECODE_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
#ifndef OPENSSL_NO_PSK
if (type & SSL_PSK) {
size_t len = (s->cert->psk_identity_hint == NULL)
? 0 : strlen(s->cert->psk_identity_hint);
if (len > PSK_MAX_IDENTITY_LEN
|| !WPACKET_sub_memcpy_u16(pkt, s->cert->psk_identity_hint,
len)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
}
#endif
for (i = 0; i < 4 && r[i] != NULL; i++) {
unsigned char *binval;
int res;
#ifndef OPENSSL_NO_SRP
if ((i == 2) && (type & SSL_kSRP)) {
res = WPACKET_start_sub_packet_u8(pkt);
} else
#endif
res = WPACKET_start_sub_packet_u16(pkt);
if (!res) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
if ((i == 2) && (type & (SSL_kDHE | SSL_kDHEPSK))) {
size_t len = BN_num_bytes(r[0]) - BN_num_bytes(r[2]);
if (len > 0) {
if (!WPACKET_allocate_bytes(pkt, len, &binval)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
memset(binval, 0, len);
}
}
if (!WPACKET_allocate_bytes(pkt, BN_num_bytes(r[i]), &binval)
|| !WPACKET_close(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
BN_bn2bin(r[i], binval);
}
if (type & (SSL_kECDHE | SSL_kECDHEPSK)) {
if (!WPACKET_put_bytes_u8(pkt, NAMED_CURVE_TYPE)
|| !WPACKET_put_bytes_u8(pkt, 0)
|| !WPACKET_put_bytes_u8(pkt, curve_id)
|| !WPACKET_sub_memcpy_u8(pkt, encodedPoint, encodedlen)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
OPENSSL_free(encodedPoint);
encodedPoint = NULL;
}
if (lu != NULL) {
EVP_PKEY *pkey = s->s3.tmp.cert->privatekey;
const EVP_MD *md;
unsigned char *sigbytes1, *sigbytes2, *tbs;
size_t siglen = 0, tbslen;
if (pkey == NULL || !tls1_lookup_md(sctx, lu, &md)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
if (!WPACKET_get_length(pkt, ¶mlen)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
if (SSL_USE_SIGALGS(s) && !WPACKET_put_bytes_u16(pkt, lu->sigalg)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
if (EVP_DigestSignInit_ex(md_ctx, &pctx,
md == NULL ? NULL : EVP_MD_get0_name(md),
sctx->libctx, sctx->propq, pkey,
NULL) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
if (lu->sig == EVP_PKEY_RSA_PSS) {
if (EVP_PKEY_CTX_set_rsa_padding(pctx, RSA_PKCS1_PSS_PADDING) <= 0
|| EVP_PKEY_CTX_set_rsa_pss_saltlen(pctx, RSA_PSS_SALTLEN_DIGEST) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB);
goto err;
}
}
tbslen = construct_key_exchange_tbs(s, &tbs,
s->init_buf->data + paramoffset,
paramlen);
if (tbslen == 0) {
goto err;
}
if (EVP_DigestSign(md_ctx, NULL, &siglen, tbs, tbslen) <=0
|| !WPACKET_sub_reserve_bytes_u16(pkt, siglen, &sigbytes1)
|| EVP_DigestSign(md_ctx, sigbytes1, &siglen, tbs, tbslen) <= 0
|| !WPACKET_sub_allocate_bytes_u16(pkt, siglen, &sigbytes2)
|| sigbytes1 != sigbytes2) {
OPENSSL_free(tbs);
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
OPENSSL_free(tbs);
}
ret = CON_FUNC_SUCCESS;
err:
EVP_PKEY_free(pkdh);
OPENSSL_free(encodedPoint);
EVP_MD_CTX_free(md_ctx);
if (freer) {
BN_free(r[0]);
BN_free(r[1]);
BN_free(r[2]);
BN_free(r[3]);
}
return ret;
}
CON_FUNC_RETURN tls_construct_certificate_request(SSL_CONNECTION *s,
WPACKET *pkt)
{
if (SSL_CONNECTION_IS_TLS13(s)) {
if (s->post_handshake_auth == SSL_PHA_REQUEST_PENDING) {
OPENSSL_free(s->pha_context);
s->pha_context_len = 32;
if ((s->pha_context = OPENSSL_malloc(s->pha_context_len)) == NULL) {
s->pha_context_len = 0;
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return CON_FUNC_ERROR;
}
if (RAND_bytes_ex(SSL_CONNECTION_GET_CTX(s)->libctx,
s->pha_context, s->pha_context_len, 0) <= 0
|| !WPACKET_sub_memcpy_u8(pkt, s->pha_context,
s->pha_context_len)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return CON_FUNC_ERROR;
}
if (!tls13_restore_handshake_digest_for_pha(s)) {
return CON_FUNC_ERROR;
}
} else {
if (!WPACKET_put_bytes_u8(pkt, 0)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return CON_FUNC_ERROR;
}
}
if (!tls_construct_extensions(s, pkt,
SSL_EXT_TLS1_3_CERTIFICATE_REQUEST, NULL,
0)) {
return CON_FUNC_ERROR;
}
goto done;
}
if (!WPACKET_start_sub_packet_u8(pkt)
|| !ssl3_get_req_cert_type(s, pkt) || !WPACKET_close(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return CON_FUNC_ERROR;
}
if (SSL_USE_SIGALGS(s)) {
const uint16_t *psigs;
size_t nl = tls12_get_psigalgs(s, 1, &psigs);
if (!WPACKET_start_sub_packet_u16(pkt)
|| !WPACKET_set_flags(pkt, WPACKET_FLAGS_NON_ZERO_LENGTH)
|| !tls12_copy_sigalgs(s, pkt, psigs, nl)
|| !WPACKET_close(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return CON_FUNC_ERROR;
}
}
if (!construct_ca_names(s, get_ca_names(s), pkt)) {
return CON_FUNC_ERROR;
}
done:
s->certreqs_sent++;
s->s3.tmp.cert_request = 1;
return CON_FUNC_SUCCESS;
}
static int tls_process_cke_psk_preamble(SSL_CONNECTION *s, PACKET *pkt)
{
#ifndef OPENSSL_NO_PSK
unsigned char psk[PSK_MAX_PSK_LEN];
size_t psklen;
PACKET psk_identity;
if (!PACKET_get_length_prefixed_2(pkt, &psk_identity)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
return 0;
}
if (PACKET_remaining(&psk_identity) > PSK_MAX_IDENTITY_LEN) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_DATA_LENGTH_TOO_LONG);
return 0;
}
if (s->psk_server_callback == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_PSK_NO_SERVER_CB);
return 0;
}
if (!PACKET_strndup(&psk_identity, &s->session->psk_identity)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
psklen = s->psk_server_callback(SSL_CONNECTION_GET_SSL(s),
s->session->psk_identity,
psk, sizeof(psk));
if (psklen > PSK_MAX_PSK_LEN) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
} else if (psklen == 0) {
SSLfatal(s, SSL_AD_UNKNOWN_PSK_IDENTITY, SSL_R_PSK_IDENTITY_NOT_FOUND);
return 0;
}
OPENSSL_free(s->s3.tmp.psk);
s->s3.tmp.psk = OPENSSL_memdup(psk, psklen);
OPENSSL_cleanse(psk, psklen);
if (s->s3.tmp.psk == NULL) {
s->s3.tmp.psklen = 0;
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CRYPTO_LIB);
return 0;
}
s->s3.tmp.psklen = psklen;
return 1;
#else
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
#endif
}
static int tls_process_cke_rsa(SSL_CONNECTION *s, PACKET *pkt)
{
size_t outlen;
PACKET enc_premaster;
EVP_PKEY *rsa = NULL;
unsigned char *rsa_decrypt = NULL;
int ret = 0;
EVP_PKEY_CTX *ctx = NULL;
OSSL_PARAM params[3], *p = params;
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
rsa = s->cert->pkeys[SSL_PKEY_RSA].privatekey;
if (rsa == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_MISSING_RSA_CERTIFICATE);
return 0;
}
if (s->version == SSL3_VERSION || s->version == DTLS1_BAD_VER) {
enc_premaster = *pkt;
} else {
if (!PACKET_get_length_prefixed_2(pkt, &enc_premaster)
|| PACKET_remaining(pkt) != 0) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
return 0;
}
}
outlen = SSL_MAX_MASTER_KEY_LENGTH;
rsa_decrypt = OPENSSL_malloc(outlen);
if (rsa_decrypt == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CRYPTO_LIB);
return 0;
}
ctx = EVP_PKEY_CTX_new_from_pkey(sctx->libctx, rsa, sctx->propq);
if (ctx == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB);
goto err;
}
if (EVP_PKEY_decrypt_init(ctx) <= 0
|| EVP_PKEY_CTX_set_rsa_padding(ctx, RSA_PKCS1_WITH_TLS_PADDING) <= 0) {
SSLfatal(s, SSL_AD_DECRYPT_ERROR, SSL_R_DECRYPTION_FAILED);
goto err;
}
*p++ = OSSL_PARAM_construct_uint(OSSL_ASYM_CIPHER_PARAM_TLS_CLIENT_VERSION,
(unsigned int *)&s->client_version);
if ((s->options & SSL_OP_TLS_ROLLBACK_BUG) != 0)
*p++ = OSSL_PARAM_construct_uint(
OSSL_ASYM_CIPHER_PARAM_TLS_NEGOTIATED_VERSION,
(unsigned int *)&s->version);
*p++ = OSSL_PARAM_construct_end();
if (!EVP_PKEY_CTX_set_params(ctx, params)
|| EVP_PKEY_decrypt(ctx, rsa_decrypt, &outlen,
PACKET_data(&enc_premaster),
PACKET_remaining(&enc_premaster)) <= 0) {
SSLfatal(s, SSL_AD_DECRYPT_ERROR, SSL_R_DECRYPTION_FAILED);
goto err;
}
if (outlen != SSL_MAX_MASTER_KEY_LENGTH) {
OPENSSL_cleanse(rsa_decrypt, SSL_MAX_MASTER_KEY_LENGTH);
SSLfatal(s, SSL_AD_DECRYPT_ERROR, SSL_R_DECRYPTION_FAILED);
goto err;
}
if (!ssl_generate_master_secret(s, rsa_decrypt, outlen, 0)) {
goto err;
}
ret = 1;
err:
OPENSSL_free(rsa_decrypt);
EVP_PKEY_CTX_free(ctx);
return ret;
}
static int tls_process_cke_dhe(SSL_CONNECTION *s, PACKET *pkt)
{
EVP_PKEY *skey = NULL;
unsigned int i;
const unsigned char *data;
EVP_PKEY *ckey = NULL;
int ret = 0;
if (!PACKET_get_net_2(pkt, &i) || PACKET_remaining(pkt) != i) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_DH_PUBLIC_VALUE_LENGTH_IS_WRONG);
goto err;
}
skey = s->s3.tmp.pkey;
if (skey == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_MISSING_TMP_DH_KEY);
goto err;
}
if (PACKET_remaining(pkt) == 0L) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_MISSING_TMP_DH_KEY);
goto err;
}
if (!PACKET_get_bytes(pkt, &data, i)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
ckey = EVP_PKEY_new();
if (ckey == NULL || EVP_PKEY_copy_parameters(ckey, skey) == 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_COPY_PARAMETERS_FAILED);
goto err;
}
if (!EVP_PKEY_set1_encoded_public_key(ckey, data, i)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
if (ssl_derive(s, skey, ckey, 1) == 0) {
goto err;
}
ret = 1;
EVP_PKEY_free(s->s3.tmp.pkey);
s->s3.tmp.pkey = NULL;
err:
EVP_PKEY_free(ckey);
return ret;
}
static int tls_process_cke_ecdhe(SSL_CONNECTION *s, PACKET *pkt)
{
EVP_PKEY *skey = s->s3.tmp.pkey;
EVP_PKEY *ckey = NULL;
int ret = 0;
if (PACKET_remaining(pkt) == 0L) {
SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_R_MISSING_TMP_ECDH_KEY);
goto err;
} else {
unsigned int i;
const unsigned char *data;
if (!PACKET_get_1(pkt, &i) || !PACKET_get_bytes(pkt, &data, i)
|| PACKET_remaining(pkt) != 0) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
goto err;
}
if (skey == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_MISSING_TMP_ECDH_KEY);
goto err;
}
ckey = EVP_PKEY_new();
if (ckey == NULL || EVP_PKEY_copy_parameters(ckey, skey) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_COPY_PARAMETERS_FAILED);
goto err;
}
if (EVP_PKEY_set1_encoded_public_key(ckey, data, i) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EC_LIB);
goto err;
}
}
if (ssl_derive(s, skey, ckey, 1) == 0) {
goto err;
}
ret = 1;
EVP_PKEY_free(s->s3.tmp.pkey);
s->s3.tmp.pkey = NULL;
err:
EVP_PKEY_free(ckey);
return ret;
}
static int tls_process_cke_srp(SSL_CONNECTION *s, PACKET *pkt)
{
#ifndef OPENSSL_NO_SRP
unsigned int i;
const unsigned char *data;
if (!PACKET_get_net_2(pkt, &i)
|| !PACKET_get_bytes(pkt, &data, i)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_SRP_A_LENGTH);
return 0;
}
if ((s->srp_ctx.A = BN_bin2bn(data, i, NULL)) == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_BN_LIB);
return 0;
}
if (BN_ucmp(s->srp_ctx.A, s->srp_ctx.N) >= 0 || BN_is_zero(s->srp_ctx.A)) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_BAD_SRP_PARAMETERS);
return 0;
}
OPENSSL_free(s->session->srp_username);
s->session->srp_username = OPENSSL_strdup(s->srp_ctx.login);
if (s->session->srp_username == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CRYPTO_LIB);
return 0;
}
if (!srp_generate_server_master_secret(s)) {
return 0;
}
return 1;
#else
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
#endif
}
static int tls_process_cke_gost(SSL_CONNECTION *s, PACKET *pkt)
{
#ifndef OPENSSL_NO_GOST
EVP_PKEY_CTX *pkey_ctx;
EVP_PKEY *client_pub_pkey = NULL, *pk = NULL;
unsigned char premaster_secret[32];
const unsigned char *start;
size_t outlen = sizeof(premaster_secret), inlen;
unsigned long alg_a;
GOST_KX_MESSAGE *pKX = NULL;
const unsigned char *ptr;
int ret = 0;
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
alg_a = s->s3.tmp.new_cipher->algorithm_auth;
if (alg_a & SSL_aGOST12) {
pk = s->cert->pkeys[SSL_PKEY_GOST12_512].privatekey;
if (pk == NULL) {
pk = s->cert->pkeys[SSL_PKEY_GOST12_256].privatekey;
}
if (pk == NULL) {
pk = s->cert->pkeys[SSL_PKEY_GOST01].privatekey;
}
} else if (alg_a & SSL_aGOST01) {
pk = s->cert->pkeys[SSL_PKEY_GOST01].privatekey;
}
pkey_ctx = EVP_PKEY_CTX_new_from_pkey(sctx->libctx, pk, sctx->propq);
if (pkey_ctx == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB);
return 0;
}
if (EVP_PKEY_decrypt_init(pkey_ctx) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
client_pub_pkey = tls_get_peer_pkey(s);
if (client_pub_pkey) {
if (EVP_PKEY_derive_set_peer(pkey_ctx, client_pub_pkey) <= 0)
ERR_clear_error();
}
ptr = PACKET_data(pkt);
pKX = d2i_GOST_KX_MESSAGE(NULL, &ptr, PACKET_remaining(pkt));
if (pKX == NULL
|| pKX->kxBlob == NULL
|| ASN1_TYPE_get(pKX->kxBlob) != V_ASN1_SEQUENCE) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_DECRYPTION_FAILED);
goto err;
}
if (!PACKET_forward(pkt, ptr - PACKET_data(pkt))) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_DECRYPTION_FAILED);
goto err;
}
if (PACKET_remaining(pkt) != 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_DECRYPTION_FAILED);
goto err;
}
inlen = pKX->kxBlob->value.sequence->length;
start = pKX->kxBlob->value.sequence->data;
if (EVP_PKEY_decrypt(pkey_ctx, premaster_secret, &outlen, start,
inlen) <= 0) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_DECRYPTION_FAILED);
goto err;
}
if (!ssl_generate_master_secret(s, premaster_secret, outlen, 0)) {
goto err;
}
if (EVP_PKEY_CTX_ctrl(pkey_ctx, -1, -1, EVP_PKEY_CTRL_PEER_KEY, 2,
NULL) > 0)
s->statem.no_cert_verify = 1;
ret = 1;
err:
EVP_PKEY_CTX_free(pkey_ctx);
GOST_KX_MESSAGE_free(pKX);
return ret;
#else
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
#endif
}
static int tls_process_cke_gost18(SSL_CONNECTION *s, PACKET *pkt)
{
#ifndef OPENSSL_NO_GOST
unsigned char rnd_dgst[32];
EVP_PKEY_CTX *pkey_ctx = NULL;
EVP_PKEY *pk = NULL;
unsigned char premaster_secret[32];
const unsigned char *start = NULL;
size_t outlen = sizeof(premaster_secret), inlen = 0;
int ret = 0;
int cipher_nid = ossl_gost18_cke_cipher_nid(s);
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
if (cipher_nid == NID_undef) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
if (ossl_gost_ukm(s, rnd_dgst) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
pk = s->cert->pkeys[SSL_PKEY_GOST12_512].privatekey != NULL ?
s->cert->pkeys[SSL_PKEY_GOST12_512].privatekey :
s->cert->pkeys[SSL_PKEY_GOST12_256].privatekey;
if (pk == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_BAD_HANDSHAKE_STATE);
goto err;
}
pkey_ctx = EVP_PKEY_CTX_new_from_pkey(sctx->libctx, pk, sctx->propq);
if (pkey_ctx == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB);
goto err;
}
if (EVP_PKEY_decrypt_init(pkey_ctx) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
if (EVP_PKEY_CTX_ctrl(pkey_ctx, -1, EVP_PKEY_OP_DECRYPT,
EVP_PKEY_CTRL_SET_IV, 32, rnd_dgst) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_LIBRARY_BUG);
goto err;
}
if (EVP_PKEY_CTX_ctrl(pkey_ctx, -1, EVP_PKEY_OP_DECRYPT,
EVP_PKEY_CTRL_CIPHER, cipher_nid, NULL) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_LIBRARY_BUG);
goto err;
}
inlen = PACKET_remaining(pkt);
start = PACKET_data(pkt);
if (EVP_PKEY_decrypt(pkey_ctx, premaster_secret, &outlen, start, inlen) <= 0) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_DECRYPTION_FAILED);
goto err;
}
if (!ssl_generate_master_secret(s, premaster_secret, outlen, 0)) {
goto err;
}
ret = 1;
err:
EVP_PKEY_CTX_free(pkey_ctx);
return ret;
#else
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
#endif
}
MSG_PROCESS_RETURN tls_process_client_key_exchange(SSL_CONNECTION *s,
PACKET *pkt)
{
unsigned long alg_k;
alg_k = s->s3.tmp.new_cipher->algorithm_mkey;
if ((alg_k & SSL_PSK) && !tls_process_cke_psk_preamble(s, pkt)) {
goto err;
}
if (alg_k & SSL_kPSK) {
if (PACKET_remaining(pkt) != 0) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
goto err;
}
if (!ssl_generate_master_secret(s, NULL, 0, 0)) {
goto err;
}
} else if (alg_k & (SSL_kRSA | SSL_kRSAPSK)) {
if (!tls_process_cke_rsa(s, pkt)) {
goto err;
}
} else if (alg_k & (SSL_kDHE | SSL_kDHEPSK)) {
if (!tls_process_cke_dhe(s, pkt)) {
goto err;
}
} else if (alg_k & (SSL_kECDHE | SSL_kECDHEPSK)) {
if (!tls_process_cke_ecdhe(s, pkt)) {
goto err;
}
} else if (alg_k & SSL_kSRP) {
if (!tls_process_cke_srp(s, pkt)) {
goto err;
}
} else if (alg_k & SSL_kGOST) {
if (!tls_process_cke_gost(s, pkt)) {
goto err;
}
} else if (alg_k & SSL_kGOST18) {
if (!tls_process_cke_gost18(s, pkt)) {
goto err;
}
} else {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_UNKNOWN_CIPHER_TYPE);
goto err;
}
return MSG_PROCESS_CONTINUE_PROCESSING;
err:
#ifndef OPENSSL_NO_PSK
OPENSSL_clear_free(s->s3.tmp.psk, s->s3.tmp.psklen);
s->s3.tmp.psk = NULL;
s->s3.tmp.psklen = 0;
#endif
return MSG_PROCESS_ERROR;
}
WORK_STATE tls_post_process_client_key_exchange(SSL_CONNECTION *s,
WORK_STATE wst)
{
#ifndef OPENSSL_NO_SCTP
if (wst == WORK_MORE_A) {
if (SSL_CONNECTION_IS_DTLS(s)) {
unsigned char sctpauthkey[64];
char labelbuffer[sizeof(DTLS1_SCTP_AUTH_LABEL)];
size_t labellen;
memcpy(labelbuffer, DTLS1_SCTP_AUTH_LABEL,
sizeof(DTLS1_SCTP_AUTH_LABEL));
labellen = sizeof(labelbuffer) - 1;
if (s->mode & SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG)
labellen += 1;
if (SSL_export_keying_material(SSL_CONNECTION_GET_SSL(s),
sctpauthkey,
sizeof(sctpauthkey), labelbuffer,
labellen, NULL, 0,
0) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return WORK_ERROR;
}
BIO_ctrl(s->wbio, BIO_CTRL_DGRAM_SCTP_ADD_AUTH_KEY,
sizeof(sctpauthkey), sctpauthkey);
}
}
#endif
if (s->statem.no_cert_verify || !received_client_cert(s)) {
if (!ssl3_digest_cached_records(s, 0)) {
return WORK_ERROR;
}
return WORK_FINISHED_CONTINUE;
} else {
if (!s->s3.handshake_buffer) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return WORK_ERROR;
}
if (!ssl3_digest_cached_records(s, 1)) {
return WORK_ERROR;
}
}
return WORK_FINISHED_CONTINUE;
}
MSG_PROCESS_RETURN tls_process_client_rpk(SSL_CONNECTION *sc, PACKET *pkt)
{
MSG_PROCESS_RETURN ret = MSG_PROCESS_ERROR;
SSL_SESSION *new_sess = NULL;
EVP_PKEY *peer_rpk = NULL;
if (!tls_process_rpk(sc, pkt, &peer_rpk)) {
goto err;
}
if (peer_rpk == NULL) {
if ((sc->verify_mode & SSL_VERIFY_FAIL_IF_NO_PEER_CERT)
&& (sc->verify_mode & SSL_VERIFY_PEER)) {
SSLfatal(sc, SSL_AD_CERTIFICATE_REQUIRED,
SSL_R_PEER_DID_NOT_RETURN_A_CERTIFICATE);
goto err;
}
} else {
if (ssl_verify_rpk(sc, peer_rpk) <= 0) {
SSLfatal(sc, ssl_x509err2alert(sc->verify_result),
SSL_R_CERTIFICATE_VERIFY_FAILED);
goto err;
}
}
if (sc->post_handshake_auth == SSL_PHA_REQUESTED) {
if ((new_sess = ssl_session_dup(sc->session, 0)) == NULL) {
SSLfatal(sc, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE);
goto err;
}
SSL_SESSION_free(sc->session);
sc->session = new_sess;
}
X509_free(sc->session->peer);
sc->session->peer = NULL;
sk_X509_pop_free(sc->session->peer_chain, X509_free);
sc->session->peer_chain = NULL;
EVP_PKEY_free(sc->session->peer_rpk);
sc->session->peer_rpk = peer_rpk;
peer_rpk = NULL;
sc->session->verify_result = sc->verify_result;
if (SSL_CONNECTION_IS_TLS13(sc)) {
if (!ssl3_digest_cached_records(sc, 1)) {
goto err;
}
if (!ssl_handshake_hash(sc, sc->cert_verify_hash,
sizeof(sc->cert_verify_hash),
&sc->cert_verify_hash_len)) {
;
goto err;
}
sc->sent_tickets = 0;
}
ret = MSG_PROCESS_CONTINUE_READING;
err:
EVP_PKEY_free(peer_rpk);
return ret;
}
MSG_PROCESS_RETURN tls_process_client_certificate(SSL_CONNECTION *s,
PACKET *pkt)
{
int i;
MSG_PROCESS_RETURN ret = MSG_PROCESS_ERROR;
X509 *x = NULL;
unsigned long l;
const unsigned char *certstart, *certbytes;
STACK_OF(X509) *sk = NULL;
PACKET spkt, context;
size_t chainidx;
SSL_SESSION *new_sess = NULL;
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
if (s->rlayer.rrlmethod->set_plain_alerts != NULL)
s->rlayer.rrlmethod->set_plain_alerts(s->rlayer.rrl, 0);
if (s->ext.client_cert_type == TLSEXT_cert_type_rpk)
return tls_process_client_rpk(s, pkt);
if (s->ext.client_cert_type != TLSEXT_cert_type_x509) {
SSLfatal(s, SSL_AD_UNSUPPORTED_CERTIFICATE,
SSL_R_UNKNOWN_CERTIFICATE_TYPE);
goto err;
}
if ((sk = sk_X509_new_null()) == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CRYPTO_LIB);
goto err;
}
if (SSL_CONNECTION_IS_TLS13(s)
&& (!PACKET_get_length_prefixed_1(pkt, &context)
|| (s->pha_context == NULL && PACKET_remaining(&context) != 0)
|| (s->pha_context != NULL
&& !PACKET_equal(&context, s->pha_context,
s->pha_context_len)))) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_INVALID_CONTEXT);
goto err;
}
if (!PACKET_get_length_prefixed_3(pkt, &spkt)
|| PACKET_remaining(pkt) != 0) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
goto err;
}
for (chainidx = 0; PACKET_remaining(&spkt) > 0; chainidx++) {
if (!PACKET_get_net_3(&spkt, &l)
|| !PACKET_get_bytes(&spkt, &certbytes, l)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_CERT_LENGTH_MISMATCH);
goto err;
}
certstart = certbytes;
x = X509_new_ex(sctx->libctx, sctx->propq);
if (x == NULL) {
SSLfatal(s, SSL_AD_DECODE_ERROR, ERR_R_X509_LIB);
goto err;
}
if (d2i_X509(&x, (const unsigned char **)&certbytes, l) == NULL) {
SSLfatal(s, SSL_AD_DECODE_ERROR, ERR_R_ASN1_LIB);
goto err;
}
if (certbytes != (certstart + l)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_CERT_LENGTH_MISMATCH);
goto err;
}
if (SSL_CONNECTION_IS_TLS13(s)) {
RAW_EXTENSION *rawexts = NULL;
PACKET extensions;
if (!PACKET_get_length_prefixed_2(&spkt, &extensions)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_LENGTH);
goto err;
}
if (!tls_collect_extensions(s, &extensions,
SSL_EXT_TLS1_3_CERTIFICATE, &rawexts,
NULL, chainidx == 0)
|| !tls_parse_all_extensions(s, SSL_EXT_TLS1_3_CERTIFICATE,
rawexts, x, chainidx,
PACKET_remaining(&spkt) == 0)) {
OPENSSL_free(rawexts);
goto err;
}
OPENSSL_free(rawexts);
}
if (!sk_X509_push(sk, x)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CRYPTO_LIB);
goto err;
}
x = NULL;
}
if (sk_X509_num(sk) <= 0) {
if (s->version == SSL3_VERSION) {
SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE,
SSL_R_NO_CERTIFICATES_RETURNED);
goto err;
}
else if ((s->verify_mode & SSL_VERIFY_PEER) &&
(s->verify_mode & SSL_VERIFY_FAIL_IF_NO_PEER_CERT)) {
SSLfatal(s, SSL_AD_CERTIFICATE_REQUIRED,
SSL_R_PEER_DID_NOT_RETURN_A_CERTIFICATE);
goto err;
}
if (s->s3.handshake_buffer && !ssl3_digest_cached_records(s, 0)) {
goto err;
}
} else {
EVP_PKEY *pkey;
i = ssl_verify_cert_chain(s, sk);
if (i <= 0) {
SSLfatal(s, ssl_x509err2alert(s->verify_result),
SSL_R_CERTIFICATE_VERIFY_FAILED);
goto err;
}
pkey = X509_get0_pubkey(sk_X509_value(sk, 0));
if (pkey == NULL) {
SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE,
SSL_R_UNKNOWN_CERTIFICATE_TYPE);
goto err;
}
}
if (s->post_handshake_auth == SSL_PHA_REQUESTED) {
if ((new_sess = ssl_session_dup(s->session, 0)) == 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_SSL_LIB);
goto err;
}
SSL_SESSION_free(s->session);
s->session = new_sess;
}
X509_free(s->session->peer);
s->session->peer = sk_X509_shift(sk);
s->session->verify_result = s->verify_result;
OSSL_STACK_OF_X509_free(s->session->peer_chain);
s->session->peer_chain = sk;
sk = NULL;
EVP_PKEY_free(s->session->peer_rpk);
s->session->peer_rpk = NULL;
if (SSL_CONNECTION_IS_TLS13(s) && !ssl3_digest_cached_records(s, 1)) {
goto err;
}
if (SSL_CONNECTION_IS_TLS13(s)) {
if (!ssl_handshake_hash(s, s->cert_verify_hash,
sizeof(s->cert_verify_hash),
&s->cert_verify_hash_len)) {
goto err;
}
s->sent_tickets = 0;
}
ret = MSG_PROCESS_CONTINUE_READING;
err:
X509_free(x);
OSSL_STACK_OF_X509_free(sk);
return ret;
}
#ifndef OPENSSL_NO_COMP_ALG
MSG_PROCESS_RETURN tls_process_client_compressed_certificate(SSL_CONNECTION *sc, PACKET *pkt)
{
MSG_PROCESS_RETURN ret = MSG_PROCESS_ERROR;
PACKET tmppkt;
BUF_MEM *buf = BUF_MEM_new();
if (tls13_process_compressed_certificate(sc, pkt, &tmppkt, buf) != MSG_PROCESS_ERROR)
ret = tls_process_client_certificate(sc, &tmppkt);
BUF_MEM_free(buf);
return ret;
}
#endif
CON_FUNC_RETURN tls_construct_server_certificate(SSL_CONNECTION *s, WPACKET *pkt)
{
CERT_PKEY *cpk = s->s3.tmp.cert;
if (cpk == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return CON_FUNC_ERROR;
}
if (SSL_CONNECTION_IS_TLS13(s) && !WPACKET_put_bytes_u8(pkt, 0)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return CON_FUNC_ERROR;
}
switch (s->ext.server_cert_type) {
case TLSEXT_cert_type_rpk:
if (!tls_output_rpk(s, pkt, cpk)) {
return 0;
}
break;
case TLSEXT_cert_type_x509:
if (!ssl3_output_cert_chain(s, pkt, cpk, 0)) {
return 0;
}
break;
default:
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
return CON_FUNC_SUCCESS;
}
#ifndef OPENSSL_NO_COMP_ALG
CON_FUNC_RETURN tls_construct_server_compressed_certificate(SSL_CONNECTION *sc, WPACKET *pkt)
{
int alg = get_compressed_certificate_alg(sc);
OSSL_COMP_CERT *cc = sc->s3.tmp.cert->comp_cert[alg];
if (!ossl_assert(cc != NULL)) {
SSLfatal(sc, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
if (!WPACKET_put_bytes_u16(pkt, alg)
|| !WPACKET_put_bytes_u24(pkt, cc->orig_len)
|| !WPACKET_start_sub_packet_u24(pkt)
|| !WPACKET_memcpy(pkt, cc->data, cc->len)
|| !WPACKET_close(pkt))
return 0;
sc->s3.tmp.cert->cert_comp_used++;
return 1;
}
#endif
static int create_ticket_prequel(SSL_CONNECTION *s, WPACKET *pkt,
uint32_t age_add, unsigned char *tick_nonce)
{
uint32_t timeout = (uint32_t)ossl_time2seconds(s->session->timeout);
#define ONE_WEEK_SEC (7 * 24 * 60 * 60)
if (SSL_CONNECTION_IS_TLS13(s)) {
if (ossl_time_compare(s->session->timeout,
ossl_seconds2time(ONE_WEEK_SEC)) > 0)
timeout = ONE_WEEK_SEC;
} else if (s->hit)
timeout = 0;
if (!WPACKET_put_bytes_u32(pkt, timeout)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
if (SSL_CONNECTION_IS_TLS13(s)) {
if (!WPACKET_put_bytes_u32(pkt, age_add)
|| !WPACKET_sub_memcpy_u8(pkt, tick_nonce, TICKET_NONCE_SIZE)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
}
if (!WPACKET_start_sub_packet_u16(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
return 1;
}
static CON_FUNC_RETURN construct_stateless_ticket(SSL_CONNECTION *s,
WPACKET *pkt,
uint32_t age_add,
unsigned char *tick_nonce)
{
unsigned char *senc = NULL;
EVP_CIPHER_CTX *ctx = NULL;
SSL_HMAC *hctx = NULL;
unsigned char *p, *encdata1, *encdata2, *macdata1, *macdata2;
const unsigned char *const_p;
int len, slen_full, slen, lenfinal;
SSL_SESSION *sess;
size_t hlen;
SSL_CTX *tctx = s->session_ctx;
unsigned char iv[EVP_MAX_IV_LENGTH];
unsigned char key_name[TLSEXT_KEYNAME_LENGTH];
int iv_len;
CON_FUNC_RETURN ok = CON_FUNC_ERROR;
size_t macoffset, macendoffset;
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
slen_full = i2d_SSL_SESSION(s->session, NULL);
if (slen_full == 0 || slen_full > 0xFF00) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
senc = OPENSSL_malloc(slen_full);
if (senc == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CRYPTO_LIB);
goto err;
}
ctx = EVP_CIPHER_CTX_new();
if (ctx == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB);
goto err;
}
hctx = ssl_hmac_new(tctx);
if (hctx == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_SSL_LIB);
goto err;
}
p = senc;
if (!i2d_SSL_SESSION(s->session, &p)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
const_p = senc;
sess = d2i_SSL_SESSION_ex(NULL, &const_p, slen_full, sctx->libctx,
sctx->propq);
if (sess == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
slen = i2d_SSL_SESSION(sess, NULL);
if (slen == 0 || slen > slen_full) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
SSL_SESSION_free(sess);
goto err;
}
p = senc;
if (!i2d_SSL_SESSION(sess, &p)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
SSL_SESSION_free(sess);
goto err;
}
SSL_SESSION_free(sess);
#ifndef OPENSSL_NO_DEPRECATED_3_0
if (tctx->ext.ticket_key_evp_cb != NULL || tctx->ext.ticket_key_cb != NULL)
#else
if (tctx->ext.ticket_key_evp_cb != NULL)
#endif
{
int ret = 0;
if (tctx->ext.ticket_key_evp_cb != NULL)
ret = tctx->ext.ticket_key_evp_cb(ssl, key_name, iv, ctx,
ssl_hmac_get0_EVP_MAC_CTX(hctx),
1);
#ifndef OPENSSL_NO_DEPRECATED_3_0
else if (tctx->ext.ticket_key_cb != NULL)
ret = tctx->ext.ticket_key_cb(ssl, key_name, iv, ctx,
ssl_hmac_get0_HMAC_CTX(hctx), 1);
#endif
if (ret == 0) {
if (SSL_CONNECTION_IS_TLS13(s)) {
ok = CON_FUNC_DONT_SEND;
goto err;
}
if (!WPACKET_put_bytes_u32(pkt, 0)
|| !WPACKET_put_bytes_u16(pkt, 0)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
OPENSSL_free(senc);
EVP_CIPHER_CTX_free(ctx);
ssl_hmac_free(hctx);
return CON_FUNC_SUCCESS;
}
if (ret < 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_CALLBACK_FAILED);
goto err;
}
iv_len = EVP_CIPHER_CTX_get_iv_length(ctx);
if (iv_len < 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
} else {
EVP_CIPHER *cipher = EVP_CIPHER_fetch(sctx->libctx, "AES-256-CBC",
sctx->propq);
if (cipher == NULL) {
SSLfatal_alert(s, SSL_AD_INTERNAL_ERROR);
goto err;
}
iv_len = EVP_CIPHER_get_iv_length(cipher);
if (iv_len < 0
|| RAND_bytes_ex(sctx->libctx, iv, iv_len, 0) <= 0
|| !EVP_EncryptInit_ex(ctx, cipher, NULL,
tctx->ext.secure->tick_aes_key, iv)
|| !ssl_hmac_init(hctx, tctx->ext.secure->tick_hmac_key,
sizeof(tctx->ext.secure->tick_hmac_key),
"SHA256")) {
EVP_CIPHER_free(cipher);
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
EVP_CIPHER_free(cipher);
memcpy(key_name, tctx->ext.tick_key_name,
sizeof(tctx->ext.tick_key_name));
}
if (!create_ticket_prequel(s, pkt, age_add, tick_nonce)) {
goto err;
}
if (!WPACKET_get_total_written(pkt, &macoffset)
|| !WPACKET_memcpy(pkt, key_name, sizeof(key_name))
|| !WPACKET_memcpy(pkt, iv, iv_len)
|| !WPACKET_reserve_bytes(pkt, slen + EVP_MAX_BLOCK_LENGTH,
&encdata1)
|| !EVP_EncryptUpdate(ctx, encdata1, &len, senc, slen)
|| !WPACKET_allocate_bytes(pkt, len, &encdata2)
|| encdata1 != encdata2
|| !EVP_EncryptFinal(ctx, encdata1 + len, &lenfinal)
|| !WPACKET_allocate_bytes(pkt, lenfinal, &encdata2)
|| encdata1 + len != encdata2
|| len + lenfinal > slen + EVP_MAX_BLOCK_LENGTH
|| !WPACKET_get_total_written(pkt, &macendoffset)
|| !ssl_hmac_update(hctx,
(unsigned char *)s->init_buf->data + macoffset,
macendoffset - macoffset)
|| !WPACKET_reserve_bytes(pkt, EVP_MAX_MD_SIZE, &macdata1)
|| !ssl_hmac_final(hctx, macdata1, &hlen, EVP_MAX_MD_SIZE)
|| hlen > EVP_MAX_MD_SIZE
|| !WPACKET_allocate_bytes(pkt, hlen, &macdata2)
|| macdata1 != macdata2) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
if (!WPACKET_close(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
ok = CON_FUNC_SUCCESS;
err:
OPENSSL_free(senc);
EVP_CIPHER_CTX_free(ctx);
ssl_hmac_free(hctx);
return ok;
}
static int construct_stateful_ticket(SSL_CONNECTION *s, WPACKET *pkt,
uint32_t age_add,
unsigned char *tick_nonce)
{
if (!create_ticket_prequel(s, pkt, age_add, tick_nonce)) {
return 0;
}
if (!WPACKET_memcpy(pkt, s->session->session_id,
s->session->session_id_length)
|| !WPACKET_close(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
return 1;
}
static void tls_update_ticket_counts(SSL_CONNECTION *s)
{
s->sent_tickets++;
s->next_ticket_nonce++;
if (s->ext.extra_tickets_expected > 0)
s->ext.extra_tickets_expected--;
}
CON_FUNC_RETURN tls_construct_new_session_ticket(SSL_CONNECTION *s, WPACKET *pkt)
{
SSL_CTX *tctx = s->session_ctx;
unsigned char tick_nonce[TICKET_NONCE_SIZE];
union {
unsigned char age_add_c[sizeof(uint32_t)];
uint32_t age_add;
} age_add_u;
CON_FUNC_RETURN ret = CON_FUNC_ERROR;
age_add_u.age_add = 0;
if (SSL_CONNECTION_IS_TLS13(s)) {
size_t i, hashlen;
uint64_t nonce;
static const unsigned char nonce_label[] = "resumption";
const EVP_MD *md = ssl_handshake_md(s);
int hashleni = EVP_MD_get_size(md);
if (!ossl_assert(hashleni >= 0)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
hashlen = (size_t)hashleni;
if (s->sent_tickets != 0 || s->hit) {
SSL_SESSION *new_sess = ssl_session_dup(s->session, 0);
if (new_sess == NULL) {
goto err;
}
SSL_SESSION_free(s->session);
s->session = new_sess;
}
if (!ssl_generate_session_id(s, s->session)) {
goto err;
}
if (RAND_bytes_ex(SSL_CONNECTION_GET_CTX(s)->libctx,
age_add_u.age_add_c, sizeof(age_add_u), 0) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
s->session->ext.tick_age_add = age_add_u.age_add;
nonce = s->next_ticket_nonce;
for (i = TICKET_NONCE_SIZE; i > 0; i--) {
tick_nonce[i - 1] = (unsigned char)(nonce & 0xff);
nonce >>= 8;
}
if (!tls13_hkdf_expand(s, md, s->resumption_master_secret,
nonce_label,
sizeof(nonce_label) - 1,
tick_nonce,
TICKET_NONCE_SIZE,
s->session->master_key,
hashlen, 1)) {
goto err;
}
s->session->master_key_length = hashlen;
s->session->time = ossl_time_now();
ssl_session_calculate_timeout(s->session);
if (s->s3.alpn_selected != NULL) {
OPENSSL_free(s->session->ext.alpn_selected);
s->session->ext.alpn_selected =
OPENSSL_memdup(s->s3.alpn_selected, s->s3.alpn_selected_len);
if (s->session->ext.alpn_selected == NULL) {
s->session->ext.alpn_selected_len = 0;
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CRYPTO_LIB);
goto err;
}
s->session->ext.alpn_selected_len = s->s3.alpn_selected_len;
}
s->session->ext.max_early_data = s->max_early_data;
}
if (tctx->generate_ticket_cb != NULL &&
tctx->generate_ticket_cb(SSL_CONNECTION_GET_SSL(s),
tctx->ticket_cb_data) == 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
if (SSL_CONNECTION_IS_TLS13(s)
&& ((s->options & SSL_OP_NO_TICKET) != 0
|| (s->max_early_data > 0
&& (s->options & SSL_OP_NO_ANTI_REPLAY) == 0))) {
if (!construct_stateful_ticket(s, pkt, age_add_u.age_add, tick_nonce)) {
goto err;
}
} else {
CON_FUNC_RETURN tmpret;
tmpret = construct_stateless_ticket(s, pkt, age_add_u.age_add,
tick_nonce);
if (tmpret != CON_FUNC_SUCCESS) {
if (tmpret == CON_FUNC_DONT_SEND) {
ret = CON_FUNC_DONT_SEND;
tls_update_ticket_counts(s);
}
goto err;
}
}
if (SSL_CONNECTION_IS_TLS13(s)) {
if (!tls_construct_extensions(s, pkt,
SSL_EXT_TLS1_3_NEW_SESSION_TICKET,
NULL, 0)) {
goto err;
}
tls_update_ticket_counts(s);
ssl_update_cache(s, SSL_SESS_CACHE_SERVER);
}
ret = CON_FUNC_SUCCESS;
err:
return ret;
}
int tls_construct_cert_status_body(SSL_CONNECTION *s, WPACKET *pkt)
{
if (!WPACKET_put_bytes_u8(pkt, s->ext.status_type)
|| !WPACKET_sub_memcpy_u24(pkt, s->ext.ocsp.resp,
s->ext.ocsp.resp_len)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
return 1;
}
CON_FUNC_RETURN tls_construct_cert_status(SSL_CONNECTION *s, WPACKET *pkt)
{
if (!tls_construct_cert_status_body(s, pkt)) {
return CON_FUNC_ERROR;
}
return CON_FUNC_SUCCESS;
}
#ifndef OPENSSL_NO_NEXTPROTONEG
MSG_PROCESS_RETURN tls_process_next_proto(SSL_CONNECTION *s, PACKET *pkt)
{
PACKET next_proto, padding;
size_t next_proto_len;
if (!PACKET_get_length_prefixed_1(pkt, &next_proto)
|| !PACKET_get_length_prefixed_1(pkt, &padding)
|| PACKET_remaining(pkt) > 0) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
return MSG_PROCESS_ERROR;
}
if (!PACKET_memdup(&next_proto, &s->ext.npn, &next_proto_len)) {
s->ext.npn_len = 0;
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return MSG_PROCESS_ERROR;
}
s->ext.npn_len = (unsigned char)next_proto_len;
return MSG_PROCESS_CONTINUE_READING;
}
#endif
static CON_FUNC_RETURN tls_construct_encrypted_extensions(SSL_CONNECTION *s,
WPACKET *pkt)
{
if (!tls_construct_extensions(s, pkt, SSL_EXT_TLS1_3_ENCRYPTED_EXTENSIONS,
NULL, 0)) {
return CON_FUNC_ERROR;
}
return CON_FUNC_SUCCESS;
}
MSG_PROCESS_RETURN tls_process_end_of_early_data(SSL_CONNECTION *s, PACKET *pkt)
{
if (PACKET_remaining(pkt) != 0) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
return MSG_PROCESS_ERROR;
}
if (s->early_data_state != SSL_EARLY_DATA_READING
&& s->early_data_state != SSL_EARLY_DATA_READ_RETRY) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return MSG_PROCESS_ERROR;
}
if (RECORD_LAYER_processed_read_pending(&s->rlayer)) {
SSLfatal(s, SSL_AD_UNEXPECTED_MESSAGE, SSL_R_NOT_ON_RECORD_BOUNDARY);
return MSG_PROCESS_ERROR;
}
s->early_data_state = SSL_EARLY_DATA_FINISHED_READING;
if (!SSL_CONNECTION_GET_SSL(s)->method->ssl3_enc->change_cipher_state(s,
SSL3_CC_HANDSHAKE | SSL3_CHANGE_CIPHER_SERVER_READ)) {
return MSG_PROCESS_ERROR;
}
return MSG_PROCESS_CONTINUE_READING;
}
| statem | openssl/ssl/statem/statem_srvr.c | openssl |
#include <openssl/ocsp.h>
#include "../ssl_local.h"
#include "internal/cryptlib.h"
#include "statem_local.h"
EXT_RETURN tls_construct_ctos_renegotiate(SSL_CONNECTION *s, WPACKET *pkt,
unsigned int context, X509 *x,
size_t chainidx)
{
if (!s->renegotiate)
return EXT_RETURN_NOT_SENT;
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_renegotiate)
|| !WPACKET_start_sub_packet_u16(pkt)
|| !WPACKET_sub_memcpy_u8(pkt, s->s3.previous_client_finished,
s->s3.previous_client_finished_len)
|| !WPACKET_close(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
return EXT_RETURN_SENT;
}
EXT_RETURN tls_construct_ctos_server_name(SSL_CONNECTION *s, WPACKET *pkt,
unsigned int context, X509 *x,
size_t chainidx)
{
if (s->ext.hostname == NULL)
return EXT_RETURN_NOT_SENT;
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_server_name)
|| !WPACKET_start_sub_packet_u16(pkt)
|| !WPACKET_start_sub_packet_u16(pkt)
|| !WPACKET_put_bytes_u8(pkt, TLSEXT_NAMETYPE_host_name)
|| !WPACKET_sub_memcpy_u16(pkt, s->ext.hostname,
strlen(s->ext.hostname))
|| !WPACKET_close(pkt)
|| !WPACKET_close(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
return EXT_RETURN_SENT;
}
EXT_RETURN tls_construct_ctos_maxfragmentlen(SSL_CONNECTION *s, WPACKET *pkt,
unsigned int context, X509 *x,
size_t chainidx)
{
if (s->ext.max_fragment_len_mode == TLSEXT_max_fragment_length_DISABLED)
return EXT_RETURN_NOT_SENT;
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_max_fragment_length)
|| !WPACKET_start_sub_packet_u16(pkt)
|| !WPACKET_put_bytes_u8(pkt, s->ext.max_fragment_len_mode)
|| !WPACKET_close(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
return EXT_RETURN_SENT;
}
#ifndef OPENSSL_NO_SRP
EXT_RETURN tls_construct_ctos_srp(SSL_CONNECTION *s, WPACKET *pkt,
unsigned int context,
X509 *x, size_t chainidx)
{
if (s->srp_ctx.login == NULL)
return EXT_RETURN_NOT_SENT;
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_srp)
|| !WPACKET_start_sub_packet_u16(pkt)
|| !WPACKET_start_sub_packet_u8(pkt)
|| !WPACKET_set_flags(pkt, WPACKET_FLAGS_NON_ZERO_LENGTH)
|| !WPACKET_memcpy(pkt, s->srp_ctx.login,
strlen(s->srp_ctx.login))
|| !WPACKET_close(pkt)
|| !WPACKET_close(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
return EXT_RETURN_SENT;
}
#endif
static int use_ecc(SSL_CONNECTION *s, int min_version, int max_version)
{
int i, end, ret = 0;
unsigned long alg_k, alg_a;
STACK_OF(SSL_CIPHER) *cipher_stack = NULL;
const uint16_t *pgroups = NULL;
size_t num_groups, j;
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
if (s->version == SSL3_VERSION)
return 0;
cipher_stack = SSL_get1_supported_ciphers(ssl);
end = sk_SSL_CIPHER_num(cipher_stack);
for (i = 0; i < end; i++) {
const SSL_CIPHER *c = sk_SSL_CIPHER_value(cipher_stack, i);
alg_k = c->algorithm_mkey;
alg_a = c->algorithm_auth;
if ((alg_k & (SSL_kECDHE | SSL_kECDHEPSK))
|| (alg_a & SSL_aECDSA)
|| c->min_tls >= TLS1_3_VERSION) {
ret = 1;
break;
}
}
sk_SSL_CIPHER_free(cipher_stack);
if (!ret)
return 0;
tls1_get_supported_groups(s, &pgroups, &num_groups);
for (j = 0; j < num_groups; j++) {
uint16_t ctmp = pgroups[j];
if (tls_valid_group(s, ctmp, min_version, max_version, 1, NULL)
&& tls_group_allowed(s, ctmp, SSL_SECOP_CURVE_SUPPORTED))
return 1;
}
return 0;
}
EXT_RETURN tls_construct_ctos_ec_pt_formats(SSL_CONNECTION *s, WPACKET *pkt,
unsigned int context, X509 *x,
size_t chainidx)
{
const unsigned char *pformats;
size_t num_formats;
int reason, min_version, max_version;
reason = ssl_get_min_max_version(s, &min_version, &max_version, NULL);
if (reason != 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, reason);
return EXT_RETURN_FAIL;
}
if (!use_ecc(s, min_version, max_version))
return EXT_RETURN_NOT_SENT;
tls1_get_formatlist(s, &pformats, &num_formats);
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_ec_point_formats)
|| !WPACKET_start_sub_packet_u16(pkt)
|| !WPACKET_sub_memcpy_u8(pkt, pformats, num_formats)
|| !WPACKET_close(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
return EXT_RETURN_SENT;
}
EXT_RETURN tls_construct_ctos_supported_groups(SSL_CONNECTION *s, WPACKET *pkt,
unsigned int context, X509 *x,
size_t chainidx)
{
const uint16_t *pgroups = NULL;
size_t num_groups = 0, i, tls13added = 0, added = 0;
int min_version, max_version, reason;
reason = ssl_get_min_max_version(s, &min_version, &max_version, NULL);
if (reason != 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, reason);
return EXT_RETURN_FAIL;
}
if (!use_ecc(s, min_version, max_version)
&& (SSL_CONNECTION_IS_DTLS(s) || max_version < TLS1_3_VERSION))
return EXT_RETURN_NOT_SENT;
tls1_get_supported_groups(s, &pgroups, &num_groups);
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_supported_groups)
|| !WPACKET_start_sub_packet_u16(pkt)
|| !WPACKET_start_sub_packet_u16(pkt)
|| !WPACKET_set_flags(pkt, WPACKET_FLAGS_NON_ZERO_LENGTH)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
for (i = 0; i < num_groups; i++) {
uint16_t ctmp = pgroups[i];
int okfortls13;
if (tls_valid_group(s, ctmp, min_version, max_version, 0, &okfortls13)
&& tls_group_allowed(s, ctmp, SSL_SECOP_CURVE_SUPPORTED)) {
if (!WPACKET_put_bytes_u16(pkt, ctmp)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
if (okfortls13 && max_version == TLS1_3_VERSION)
tls13added++;
added++;
}
}
if (!WPACKET_close(pkt) || !WPACKET_close(pkt)) {
if (added == 0)
SSLfatal_data(s, SSL_AD_INTERNAL_ERROR, SSL_R_NO_SUITABLE_GROUPS,
"No groups enabled for max supported SSL/TLS version");
else
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
if (tls13added == 0 && max_version == TLS1_3_VERSION) {
SSLfatal_data(s, SSL_AD_INTERNAL_ERROR, SSL_R_NO_SUITABLE_GROUPS,
"No groups enabled for max supported SSL/TLS version");
return EXT_RETURN_FAIL;
}
return EXT_RETURN_SENT;
}
EXT_RETURN tls_construct_ctos_session_ticket(SSL_CONNECTION *s, WPACKET *pkt,
unsigned int context, X509 *x,
size_t chainidx)
{
size_t ticklen;
if (!tls_use_ticket(s))
return EXT_RETURN_NOT_SENT;
if (!s->new_session && s->session != NULL
&& s->session->ext.tick != NULL
&& s->session->ssl_version != TLS1_3_VERSION) {
ticklen = s->session->ext.ticklen;
} else if (s->session && s->ext.session_ticket != NULL
&& s->ext.session_ticket->data != NULL) {
ticklen = s->ext.session_ticket->length;
s->session->ext.tick = OPENSSL_malloc(ticklen);
if (s->session->ext.tick == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
memcpy(s->session->ext.tick,
s->ext.session_ticket->data, ticklen);
s->session->ext.ticklen = ticklen;
} else {
ticklen = 0;
}
if (ticklen == 0 && s->ext.session_ticket != NULL &&
s->ext.session_ticket->data == NULL)
return EXT_RETURN_NOT_SENT;
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_session_ticket)
|| !WPACKET_sub_memcpy_u16(pkt, s->session->ext.tick, ticklen)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
return EXT_RETURN_SENT;
}
EXT_RETURN tls_construct_ctos_sig_algs(SSL_CONNECTION *s, WPACKET *pkt,
unsigned int context, X509 *x,
size_t chainidx)
{
size_t salglen;
const uint16_t *salg;
if (!SSL_CLIENT_USE_SIGALGS(s))
return EXT_RETURN_NOT_SENT;
salglen = tls12_get_psigalgs(s, 1, &salg);
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_signature_algorithms)
|| !WPACKET_start_sub_packet_u16(pkt)
|| !WPACKET_start_sub_packet_u16(pkt)
|| !tls12_copy_sigalgs(s, pkt, salg, salglen)
|| !WPACKET_close(pkt)
|| !WPACKET_close(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
return EXT_RETURN_SENT;
}
#ifndef OPENSSL_NO_OCSP
EXT_RETURN tls_construct_ctos_status_request(SSL_CONNECTION *s, WPACKET *pkt,
unsigned int context, X509 *x,
size_t chainidx)
{
int i;
if (x != NULL)
return EXT_RETURN_NOT_SENT;
if (s->ext.status_type != TLSEXT_STATUSTYPE_ocsp)
return EXT_RETURN_NOT_SENT;
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_status_request)
|| !WPACKET_start_sub_packet_u16(pkt)
|| !WPACKET_put_bytes_u8(pkt, TLSEXT_STATUSTYPE_ocsp)
|| !WPACKET_start_sub_packet_u16(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
for (i = 0; i < sk_OCSP_RESPID_num(s->ext.ocsp.ids); i++) {
unsigned char *idbytes;
OCSP_RESPID *id = sk_OCSP_RESPID_value(s->ext.ocsp.ids, i);
int idlen = i2d_OCSP_RESPID(id, NULL);
if (idlen <= 0
|| !WPACKET_sub_allocate_bytes_u16(pkt, idlen, &idbytes)
|| i2d_OCSP_RESPID(id, &idbytes) != idlen) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
}
if (!WPACKET_close(pkt)
|| !WPACKET_start_sub_packet_u16(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
if (s->ext.ocsp.exts) {
unsigned char *extbytes;
int extlen = i2d_X509_EXTENSIONS(s->ext.ocsp.exts, NULL);
if (extlen < 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
if (!WPACKET_allocate_bytes(pkt, extlen, &extbytes)
|| i2d_X509_EXTENSIONS(s->ext.ocsp.exts, &extbytes)
!= extlen) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
}
if (!WPACKET_close(pkt) || !WPACKET_close(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
return EXT_RETURN_SENT;
}
#endif
#ifndef OPENSSL_NO_NEXTPROTONEG
EXT_RETURN tls_construct_ctos_npn(SSL_CONNECTION *s, WPACKET *pkt,
unsigned int context,
X509 *x, size_t chainidx)
{
if (SSL_CONNECTION_GET_CTX(s)->ext.npn_select_cb == NULL
|| !SSL_IS_FIRST_HANDSHAKE(s))
return EXT_RETURN_NOT_SENT;
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_next_proto_neg)
|| !WPACKET_put_bytes_u16(pkt, 0)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
return EXT_RETURN_SENT;
}
#endif
EXT_RETURN tls_construct_ctos_alpn(SSL_CONNECTION *s, WPACKET *pkt,
unsigned int context,
X509 *x, size_t chainidx)
{
s->s3.alpn_sent = 0;
if (s->ext.alpn == NULL || !SSL_IS_FIRST_HANDSHAKE(s))
return EXT_RETURN_NOT_SENT;
if (!WPACKET_put_bytes_u16(pkt,
TLSEXT_TYPE_application_layer_protocol_negotiation)
|| !WPACKET_start_sub_packet_u16(pkt)
|| !WPACKET_sub_memcpy_u16(pkt, s->ext.alpn, s->ext.alpn_len)
|| !WPACKET_close(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
s->s3.alpn_sent = 1;
return EXT_RETURN_SENT;
}
#ifndef OPENSSL_NO_SRTP
EXT_RETURN tls_construct_ctos_use_srtp(SSL_CONNECTION *s, WPACKET *pkt,
unsigned int context, X509 *x,
size_t chainidx)
{
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
STACK_OF(SRTP_PROTECTION_PROFILE) *clnt = SSL_get_srtp_profiles(ssl);
int i, end;
if (clnt == NULL)
return EXT_RETURN_NOT_SENT;
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_use_srtp)
|| !WPACKET_start_sub_packet_u16(pkt)
|| !WPACKET_start_sub_packet_u16(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
end = sk_SRTP_PROTECTION_PROFILE_num(clnt);
for (i = 0; i < end; i++) {
const SRTP_PROTECTION_PROFILE *prof =
sk_SRTP_PROTECTION_PROFILE_value(clnt, i);
if (prof == NULL || !WPACKET_put_bytes_u16(pkt, prof->id)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
}
if (!WPACKET_close(pkt)
|| !WPACKET_put_bytes_u8(pkt, 0)
|| !WPACKET_close(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
return EXT_RETURN_SENT;
}
#endif
EXT_RETURN tls_construct_ctos_etm(SSL_CONNECTION *s, WPACKET *pkt,
unsigned int context,
X509 *x, size_t chainidx)
{
if (s->options & SSL_OP_NO_ENCRYPT_THEN_MAC)
return EXT_RETURN_NOT_SENT;
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_encrypt_then_mac)
|| !WPACKET_put_bytes_u16(pkt, 0)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
return EXT_RETURN_SENT;
}
#ifndef OPENSSL_NO_CT
EXT_RETURN tls_construct_ctos_sct(SSL_CONNECTION *s, WPACKET *pkt,
unsigned int context,
X509 *x, size_t chainidx)
{
if (s->ct_validation_callback == NULL)
return EXT_RETURN_NOT_SENT;
if (x != NULL)
return EXT_RETURN_NOT_SENT;
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_signed_certificate_timestamp)
|| !WPACKET_put_bytes_u16(pkt, 0)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
return EXT_RETURN_SENT;
}
#endif
EXT_RETURN tls_construct_ctos_ems(SSL_CONNECTION *s, WPACKET *pkt,
unsigned int context,
X509 *x, size_t chainidx)
{
if (s->options & SSL_OP_NO_EXTENDED_MASTER_SECRET)
return EXT_RETURN_NOT_SENT;
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_extended_master_secret)
|| !WPACKET_put_bytes_u16(pkt, 0)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
return EXT_RETURN_SENT;
}
EXT_RETURN tls_construct_ctos_supported_versions(SSL_CONNECTION *s, WPACKET *pkt,
unsigned int context, X509 *x,
size_t chainidx)
{
int currv, min_version, max_version, reason;
reason = ssl_get_min_max_version(s, &min_version, &max_version, NULL);
if (reason != 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, reason);
return EXT_RETURN_FAIL;
}
if (max_version < TLS1_3_VERSION)
return EXT_RETURN_NOT_SENT;
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_supported_versions)
|| !WPACKET_start_sub_packet_u16(pkt)
|| !WPACKET_start_sub_packet_u8(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
for (currv = max_version; currv >= min_version; currv--) {
if (!WPACKET_put_bytes_u16(pkt, currv)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
}
if (!WPACKET_close(pkt) || !WPACKET_close(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
return EXT_RETURN_SENT;
}
EXT_RETURN tls_construct_ctos_psk_kex_modes(SSL_CONNECTION *s, WPACKET *pkt,
unsigned int context, X509 *x,
size_t chainidx)
{
#ifndef OPENSSL_NO_TLS1_3
int nodhe = s->options & SSL_OP_ALLOW_NO_DHE_KEX;
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_psk_kex_modes)
|| !WPACKET_start_sub_packet_u16(pkt)
|| !WPACKET_start_sub_packet_u8(pkt)
|| !WPACKET_put_bytes_u8(pkt, TLSEXT_KEX_MODE_KE_DHE)
|| (nodhe && !WPACKET_put_bytes_u8(pkt, TLSEXT_KEX_MODE_KE))
|| !WPACKET_close(pkt)
|| !WPACKET_close(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
s->ext.psk_kex_mode = TLSEXT_KEX_MODE_FLAG_KE_DHE;
if (nodhe)
s->ext.psk_kex_mode |= TLSEXT_KEX_MODE_FLAG_KE;
#endif
return EXT_RETURN_SENT;
}
#ifndef OPENSSL_NO_TLS1_3
static int add_key_share(SSL_CONNECTION *s, WPACKET *pkt, unsigned int curve_id)
{
unsigned char *encoded_point = NULL;
EVP_PKEY *key_share_key = NULL;
size_t encodedlen;
if (s->s3.tmp.pkey != NULL) {
if (!ossl_assert(s->hello_retry_request == SSL_HRR_PENDING)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
key_share_key = s->s3.tmp.pkey;
} else {
key_share_key = ssl_generate_pkey_group(s, curve_id);
if (key_share_key == NULL) {
return 0;
}
}
encodedlen = EVP_PKEY_get1_encoded_public_key(key_share_key,
&encoded_point);
if (encodedlen == 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EC_LIB);
goto err;
}
if (!WPACKET_put_bytes_u16(pkt, curve_id)
|| !WPACKET_sub_memcpy_u16(pkt, encoded_point, encodedlen)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
s->s3.tmp.pkey = key_share_key;
s->s3.group_id = curve_id;
OPENSSL_free(encoded_point);
return 1;
err:
if (s->s3.tmp.pkey == NULL)
EVP_PKEY_free(key_share_key);
OPENSSL_free(encoded_point);
return 0;
}
#endif
EXT_RETURN tls_construct_ctos_key_share(SSL_CONNECTION *s, WPACKET *pkt,
unsigned int context, X509 *x,
size_t chainidx)
{
#ifndef OPENSSL_NO_TLS1_3
size_t i, num_groups = 0;
const uint16_t *pgroups = NULL;
uint16_t curve_id = 0;
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_key_share)
|| !WPACKET_start_sub_packet_u16(pkt)
|| !WPACKET_start_sub_packet_u16(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
tls1_get_supported_groups(s, &pgroups, &num_groups);
if (s->s3.group_id != 0) {
curve_id = s->s3.group_id;
} else {
for (i = 0; i < num_groups; i++) {
if (!tls_group_allowed(s, pgroups[i], SSL_SECOP_CURVE_SUPPORTED))
continue;
if (!tls_valid_group(s, pgroups[i], TLS1_3_VERSION, TLS1_3_VERSION,
0, NULL))
continue;
curve_id = pgroups[i];
break;
}
}
if (curve_id == 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_NO_SUITABLE_KEY_SHARE);
return EXT_RETURN_FAIL;
}
if (!add_key_share(s, pkt, curve_id)) {
return EXT_RETURN_FAIL;
}
if (!WPACKET_close(pkt) || !WPACKET_close(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
return EXT_RETURN_SENT;
#else
return EXT_RETURN_NOT_SENT;
#endif
}
EXT_RETURN tls_construct_ctos_cookie(SSL_CONNECTION *s, WPACKET *pkt,
unsigned int context,
X509 *x, size_t chainidx)
{
EXT_RETURN ret = EXT_RETURN_FAIL;
if (s->ext.tls13_cookie_len == 0)
return EXT_RETURN_NOT_SENT;
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_cookie)
|| !WPACKET_start_sub_packet_u16(pkt)
|| !WPACKET_sub_memcpy_u16(pkt, s->ext.tls13_cookie,
s->ext.tls13_cookie_len)
|| !WPACKET_close(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto end;
}
ret = EXT_RETURN_SENT;
end:
OPENSSL_free(s->ext.tls13_cookie);
s->ext.tls13_cookie = NULL;
s->ext.tls13_cookie_len = 0;
return ret;
}
EXT_RETURN tls_construct_ctos_early_data(SSL_CONNECTION *s, WPACKET *pkt,
unsigned int context, X509 *x,
size_t chainidx)
{
#ifndef OPENSSL_NO_PSK
char identity[PSK_MAX_IDENTITY_LEN + 1];
#endif
const unsigned char *id = NULL;
size_t idlen = 0;
SSL_SESSION *psksess = NULL;
SSL_SESSION *edsess = NULL;
const EVP_MD *handmd = NULL;
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
if (s->hello_retry_request == SSL_HRR_PENDING)
handmd = ssl_handshake_md(s);
if (s->psk_use_session_cb != NULL
&& (!s->psk_use_session_cb(ssl, handmd, &id, &idlen, &psksess)
|| (psksess != NULL
&& psksess->ssl_version != TLS1_3_VERSION))) {
SSL_SESSION_free(psksess);
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_BAD_PSK);
return EXT_RETURN_FAIL;
}
#ifndef OPENSSL_NO_PSK
if (psksess == NULL && s->psk_client_callback != NULL) {
unsigned char psk[PSK_MAX_PSK_LEN];
size_t psklen = 0;
memset(identity, 0, sizeof(identity));
psklen = s->psk_client_callback(ssl, NULL,
identity, sizeof(identity) - 1,
psk, sizeof(psk));
if (psklen > PSK_MAX_PSK_LEN) {
SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
} else if (psklen > 0) {
const unsigned char tls13_aes128gcmsha256_id[] = { 0x13, 0x01 };
const SSL_CIPHER *cipher;
idlen = strlen(identity);
if (idlen > PSK_MAX_IDENTITY_LEN) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
id = (unsigned char *)identity;
cipher = SSL_CIPHER_find(ssl, tls13_aes128gcmsha256_id);
if (cipher == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
psksess = SSL_SESSION_new();
if (psksess == NULL
|| !SSL_SESSION_set1_master_key(psksess, psk, psklen)
|| !SSL_SESSION_set_cipher(psksess, cipher)
|| !SSL_SESSION_set_protocol_version(psksess, TLS1_3_VERSION)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
OPENSSL_cleanse(psk, psklen);
return EXT_RETURN_FAIL;
}
OPENSSL_cleanse(psk, psklen);
}
}
#endif
SSL_SESSION_free(s->psksession);
s->psksession = psksess;
if (psksess != NULL) {
OPENSSL_free(s->psksession_id);
s->psksession_id = OPENSSL_memdup(id, idlen);
if (s->psksession_id == NULL) {
s->psksession_id_len = 0;
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
s->psksession_id_len = idlen;
}
if (s->early_data_state != SSL_EARLY_DATA_CONNECTING
|| (s->session->ext.max_early_data == 0
&& (psksess == NULL || psksess->ext.max_early_data == 0))) {
s->max_early_data = 0;
return EXT_RETURN_NOT_SENT;
}
edsess = s->session->ext.max_early_data != 0 ? s->session : psksess;
s->max_early_data = edsess->ext.max_early_data;
if (edsess->ext.hostname != NULL) {
if (s->ext.hostname == NULL
|| (s->ext.hostname != NULL
&& strcmp(s->ext.hostname, edsess->ext.hostname) != 0)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR,
SSL_R_INCONSISTENT_EARLY_DATA_SNI);
return EXT_RETURN_FAIL;
}
}
if ((s->ext.alpn == NULL && edsess->ext.alpn_selected != NULL)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_INCONSISTENT_EARLY_DATA_ALPN);
return EXT_RETURN_FAIL;
}
if (edsess->ext.alpn_selected != NULL) {
PACKET prots, alpnpkt;
int found = 0;
if (!PACKET_buf_init(&prots, s->ext.alpn, s->ext.alpn_len)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
while (PACKET_get_length_prefixed_1(&prots, &alpnpkt)) {
if (PACKET_equal(&alpnpkt, edsess->ext.alpn_selected,
edsess->ext.alpn_selected_len)) {
found = 1;
break;
}
}
if (!found) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR,
SSL_R_INCONSISTENT_EARLY_DATA_ALPN);
return EXT_RETURN_FAIL;
}
}
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_early_data)
|| !WPACKET_start_sub_packet_u16(pkt)
|| !WPACKET_close(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
s->ext.early_data = SSL_EARLY_DATA_REJECTED;
s->ext.early_data_ok = 1;
return EXT_RETURN_SENT;
}
#define F5_WORKAROUND_MIN_MSG_LEN 0xff
#define F5_WORKAROUND_MAX_MSG_LEN 0x200
#define PSK_PRE_BINDER_OVERHEAD (2 + 2 + 2 + 2 + 4 + 2 + 1)
EXT_RETURN tls_construct_ctos_padding(SSL_CONNECTION *s, WPACKET *pkt,
unsigned int context, X509 *x,
size_t chainidx)
{
unsigned char *padbytes;
size_t hlen;
if ((s->options & SSL_OP_TLSEXT_PADDING) == 0)
return EXT_RETURN_NOT_SENT;
if (!WPACKET_get_total_written(pkt, &hlen)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
if (s->session->ssl_version == TLS1_3_VERSION
&& s->session->ext.ticklen != 0
&& s->session->cipher != NULL) {
const EVP_MD *md = ssl_md(SSL_CONNECTION_GET_CTX(s),
s->session->cipher->algorithm2);
if (md != NULL) {
hlen += PSK_PRE_BINDER_OVERHEAD + s->session->ext.ticklen
+ EVP_MD_get_size(md);
}
}
if (hlen > F5_WORKAROUND_MIN_MSG_LEN && hlen < F5_WORKAROUND_MAX_MSG_LEN) {
hlen = F5_WORKAROUND_MAX_MSG_LEN - hlen;
if (hlen > 4)
hlen -= 4;
else
hlen = 1;
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_padding)
|| !WPACKET_sub_allocate_bytes_u16(pkt, hlen, &padbytes)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
memset(padbytes, 0, hlen);
}
return EXT_RETURN_SENT;
}
EXT_RETURN tls_construct_ctos_psk(SSL_CONNECTION *s, WPACKET *pkt,
unsigned int context,
X509 *x, size_t chainidx)
{
#ifndef OPENSSL_NO_TLS1_3
uint32_t agesec, agems = 0;
size_t reshashsize = 0, pskhashsize = 0, binderoffset, msglen;
unsigned char *resbinder = NULL, *pskbinder = NULL, *msgstart = NULL;
const EVP_MD *handmd = NULL, *mdres = NULL, *mdpsk = NULL;
int dores = 0;
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
OSSL_TIME t;
s->ext.tick_identity = 0;
if (s->session->ssl_version != TLS1_3_VERSION
|| (s->session->ext.ticklen == 0 && s->psksession == NULL))
return EXT_RETURN_NOT_SENT;
if (s->hello_retry_request == SSL_HRR_PENDING)
handmd = ssl_handshake_md(s);
if (s->session->ext.ticklen != 0) {
if (s->session->cipher == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
mdres = ssl_md(sctx, s->session->cipher->algorithm2);
if (mdres == NULL) {
goto dopsksess;
}
if (s->hello_retry_request == SSL_HRR_PENDING && mdres != handmd) {
goto dopsksess;
}
t = ossl_time_subtract(ossl_time_now(), s->session->time);
agesec = (uint32_t)ossl_time2seconds(t);
if (agesec > 0)
agesec--;
if (s->session->ext.tick_lifetime_hint < agesec) {
goto dopsksess;
}
agems = agesec * (uint32_t)1000;
if (agesec != 0 && agems / (uint32_t)1000 != agesec) {
goto dopsksess;
}
agems += s->session->ext.tick_age_add;
reshashsize = EVP_MD_get_size(mdres);
s->ext.tick_identity++;
dores = 1;
}
dopsksess:
if (!dores && s->psksession == NULL)
return EXT_RETURN_NOT_SENT;
if (s->psksession != NULL) {
mdpsk = ssl_md(sctx, s->psksession->cipher->algorithm2);
if (mdpsk == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_BAD_PSK);
return EXT_RETURN_FAIL;
}
if (s->hello_retry_request == SSL_HRR_PENDING && mdpsk != handmd) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_BAD_PSK);
return EXT_RETURN_FAIL;
}
pskhashsize = EVP_MD_get_size(mdpsk);
}
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_psk)
|| !WPACKET_start_sub_packet_u16(pkt)
|| !WPACKET_start_sub_packet_u16(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
if (dores) {
if (!WPACKET_sub_memcpy_u16(pkt, s->session->ext.tick,
s->session->ext.ticklen)
|| !WPACKET_put_bytes_u32(pkt, agems)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
}
if (s->psksession != NULL) {
if (!WPACKET_sub_memcpy_u16(pkt, s->psksession_id,
s->psksession_id_len)
|| !WPACKET_put_bytes_u32(pkt, 0)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
s->ext.tick_identity++;
}
if (!WPACKET_close(pkt)
|| !WPACKET_get_total_written(pkt, &binderoffset)
|| !WPACKET_start_sub_packet_u16(pkt)
|| (dores
&& !WPACKET_sub_allocate_bytes_u8(pkt, reshashsize, &resbinder))
|| (s->psksession != NULL
&& !WPACKET_sub_allocate_bytes_u8(pkt, pskhashsize, &pskbinder))
|| !WPACKET_close(pkt)
|| !WPACKET_close(pkt)
|| !WPACKET_get_total_written(pkt, &msglen)
|| !WPACKET_fill_lengths(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
msgstart = WPACKET_get_curr(pkt) - msglen;
if (dores
&& tls_psk_do_binder(s, mdres, msgstart, binderoffset, NULL,
resbinder, s->session, 1, 0) != 1) {
return EXT_RETURN_FAIL;
}
if (s->psksession != NULL
&& tls_psk_do_binder(s, mdpsk, msgstart, binderoffset, NULL,
pskbinder, s->psksession, 1, 1) != 1) {
return EXT_RETURN_FAIL;
}
return EXT_RETURN_SENT;
#else
return EXT_RETURN_NOT_SENT;
#endif
}
EXT_RETURN tls_construct_ctos_post_handshake_auth(SSL_CONNECTION *s, WPACKET *pkt,
ossl_unused unsigned int context,
ossl_unused X509 *x,
ossl_unused size_t chainidx)
{
#ifndef OPENSSL_NO_TLS1_3
if (!s->pha_enabled)
return EXT_RETURN_NOT_SENT;
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_post_handshake_auth)
|| !WPACKET_start_sub_packet_u16(pkt)
|| !WPACKET_close(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
s->post_handshake_auth = SSL_PHA_EXT_SENT;
return EXT_RETURN_SENT;
#else
return EXT_RETURN_NOT_SENT;
#endif
}
int tls_parse_stoc_renegotiate(SSL_CONNECTION *s, PACKET *pkt,
unsigned int context,
X509 *x, size_t chainidx)
{
size_t expected_len = s->s3.previous_client_finished_len
+ s->s3.previous_server_finished_len;
size_t ilen;
const unsigned char *data;
if (!ossl_assert(expected_len == 0
|| s->s3.previous_client_finished_len != 0)
|| !ossl_assert(expected_len == 0
|| s->s3.previous_server_finished_len != 0)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
if (!PACKET_get_1_len(pkt, &ilen)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_RENEGOTIATION_ENCODING_ERR);
return 0;
}
if (PACKET_remaining(pkt) != ilen) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_RENEGOTIATION_ENCODING_ERR);
return 0;
}
if (ilen != expected_len) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_RENEGOTIATION_MISMATCH);
return 0;
}
if (!PACKET_get_bytes(pkt, &data, s->s3.previous_client_finished_len)
|| memcmp(data, s->s3.previous_client_finished,
s->s3.previous_client_finished_len) != 0) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_RENEGOTIATION_MISMATCH);
return 0;
}
if (!PACKET_get_bytes(pkt, &data, s->s3.previous_server_finished_len)
|| memcmp(data, s->s3.previous_server_finished,
s->s3.previous_server_finished_len) != 0) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_RENEGOTIATION_MISMATCH);
return 0;
}
s->s3.send_connection_binding = 1;
return 1;
}
int tls_parse_stoc_maxfragmentlen(SSL_CONNECTION *s, PACKET *pkt,
unsigned int context,
X509 *x, size_t chainidx)
{
unsigned int value;
if (PACKET_remaining(pkt) != 1 || !PACKET_get_1(pkt, &value)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
return 0;
}
if (!IS_MAX_FRAGMENT_LENGTH_EXT_VALID(value)) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER,
SSL_R_SSL3_EXT_INVALID_MAX_FRAGMENT_LENGTH);
return 0;
}
if (value != s->ext.max_fragment_len_mode) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER,
SSL_R_SSL3_EXT_INVALID_MAX_FRAGMENT_LENGTH);
return 0;
}
s->session->ext.max_fragment_len_mode = value;
return 1;
}
int tls_parse_stoc_server_name(SSL_CONNECTION *s, PACKET *pkt,
unsigned int context,
X509 *x, size_t chainidx)
{
if (s->ext.hostname == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
if (PACKET_remaining(pkt) > 0) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
return 0;
}
if (!s->hit) {
if (s->session->ext.hostname != NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
s->session->ext.hostname = OPENSSL_strdup(s->ext.hostname);
if (s->session->ext.hostname == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
}
return 1;
}
int tls_parse_stoc_ec_pt_formats(SSL_CONNECTION *s, PACKET *pkt,
unsigned int context,
X509 *x, size_t chainidx)
{
size_t ecpointformats_len;
PACKET ecptformatlist;
if (!PACKET_as_length_prefixed_1(pkt, &ecptformatlist)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
return 0;
}
if (!s->hit) {
ecpointformats_len = PACKET_remaining(&ecptformatlist);
if (ecpointformats_len == 0) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_LENGTH);
return 0;
}
s->ext.peer_ecpointformats_len = 0;
OPENSSL_free(s->ext.peer_ecpointformats);
s->ext.peer_ecpointformats = OPENSSL_malloc(ecpointformats_len);
if (s->ext.peer_ecpointformats == NULL) {
s->ext.peer_ecpointformats_len = 0;
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
s->ext.peer_ecpointformats_len = ecpointformats_len;
if (!PACKET_copy_bytes(&ecptformatlist,
s->ext.peer_ecpointformats,
ecpointformats_len)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
}
return 1;
}
int tls_parse_stoc_session_ticket(SSL_CONNECTION *s, PACKET *pkt,
unsigned int context,
X509 *x, size_t chainidx)
{
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
if (s->ext.session_ticket_cb != NULL &&
!s->ext.session_ticket_cb(ssl, PACKET_data(pkt),
PACKET_remaining(pkt),
s->ext.session_ticket_cb_arg)) {
SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_R_BAD_EXTENSION);
return 0;
}
if (!tls_use_ticket(s)) {
SSLfatal(s, SSL_AD_UNSUPPORTED_EXTENSION, SSL_R_BAD_EXTENSION);
return 0;
}
if (PACKET_remaining(pkt) > 0) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
return 0;
}
s->ext.ticket_expected = 1;
return 1;
}
#ifndef OPENSSL_NO_OCSP
int tls_parse_stoc_status_request(SSL_CONNECTION *s, PACKET *pkt,
unsigned int context,
X509 *x, size_t chainidx)
{
if (context == SSL_EXT_TLS1_3_CERTIFICATE_REQUEST) {
return 1;
}
if (s->ext.status_type != TLSEXT_STATUSTYPE_ocsp) {
SSLfatal(s, SSL_AD_UNSUPPORTED_EXTENSION, SSL_R_BAD_EXTENSION);
return 0;
}
if (!SSL_CONNECTION_IS_TLS13(s) && PACKET_remaining(pkt) > 0) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
return 0;
}
if (SSL_CONNECTION_IS_TLS13(s)) {
if (chainidx != 0)
return 1;
return tls_process_cert_status_body(s, pkt);
}
s->ext.status_expected = 1;
return 1;
}
#endif
#ifndef OPENSSL_NO_CT
int tls_parse_stoc_sct(SSL_CONNECTION *s, PACKET *pkt, unsigned int context,
X509 *x, size_t chainidx)
{
if (context == SSL_EXT_TLS1_3_CERTIFICATE_REQUEST) {
return 1;
}
if (s->ct_validation_callback != NULL) {
size_t size = PACKET_remaining(pkt);
OPENSSL_free(s->ext.scts);
s->ext.scts = NULL;
s->ext.scts_len = (uint16_t)size;
if (size > 0) {
s->ext.scts = OPENSSL_malloc(size);
if (s->ext.scts == NULL) {
s->ext.scts_len = 0;
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CRYPTO_LIB);
return 0;
}
if (!PACKET_copy_bytes(pkt, s->ext.scts, size)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
}
} else {
ENDPOINT role = (context & SSL_EXT_TLS1_2_SERVER_HELLO) != 0
? ENDPOINT_CLIENT : ENDPOINT_BOTH;
if (custom_ext_find(&s->cert->custext, role,
TLSEXT_TYPE_signed_certificate_timestamp,
NULL) == NULL) {
SSLfatal(s, TLS1_AD_UNSUPPORTED_EXTENSION, SSL_R_BAD_EXTENSION);
return 0;
}
if (!custom_ext_parse(s, context,
TLSEXT_TYPE_signed_certificate_timestamp,
PACKET_data(pkt), PACKET_remaining(pkt),
x, chainidx)) {
return 0;
}
}
return 1;
}
#endif
#ifndef OPENSSL_NO_NEXTPROTONEG
static int ssl_next_proto_validate(SSL_CONNECTION *s, PACKET *pkt)
{
PACKET tmp_protocol;
while (PACKET_remaining(pkt)) {
if (!PACKET_get_length_prefixed_1(pkt, &tmp_protocol)
|| PACKET_remaining(&tmp_protocol) == 0) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
return 0;
}
}
return 1;
}
int tls_parse_stoc_npn(SSL_CONNECTION *s, PACKET *pkt, unsigned int context,
X509 *x, size_t chainidx)
{
unsigned char *selected;
unsigned char selected_len;
PACKET tmppkt;
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
if (!SSL_IS_FIRST_HANDSHAKE(s))
return 1;
if (sctx->ext.npn_select_cb == NULL) {
SSLfatal(s, SSL_AD_UNSUPPORTED_EXTENSION, SSL_R_BAD_EXTENSION);
return 0;
}
tmppkt = *pkt;
if (!ssl_next_proto_validate(s, &tmppkt)) {
return 0;
}
if (sctx->ext.npn_select_cb(SSL_CONNECTION_GET_SSL(s),
&selected, &selected_len,
PACKET_data(pkt), PACKET_remaining(pkt),
sctx->ext.npn_select_cb_arg) !=
SSL_TLSEXT_ERR_OK) {
SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_R_BAD_EXTENSION);
return 0;
}
OPENSSL_free(s->ext.npn);
s->ext.npn = OPENSSL_malloc(selected_len);
if (s->ext.npn == NULL) {
s->ext.npn_len = 0;
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
memcpy(s->ext.npn, selected, selected_len);
s->ext.npn_len = selected_len;
s->s3.npn_seen = 1;
return 1;
}
#endif
int tls_parse_stoc_alpn(SSL_CONNECTION *s, PACKET *pkt, unsigned int context,
X509 *x, size_t chainidx)
{
size_t len;
if (!s->s3.alpn_sent) {
SSLfatal(s, SSL_AD_UNSUPPORTED_EXTENSION, SSL_R_BAD_EXTENSION);
return 0;
}
if (!PACKET_get_net_2_len(pkt, &len)
|| PACKET_remaining(pkt) != len || !PACKET_get_1_len(pkt, &len)
|| PACKET_remaining(pkt) != len) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
return 0;
}
OPENSSL_free(s->s3.alpn_selected);
s->s3.alpn_selected = OPENSSL_malloc(len);
if (s->s3.alpn_selected == NULL) {
s->s3.alpn_selected_len = 0;
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
if (!PACKET_copy_bytes(pkt, s->s3.alpn_selected, len)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
return 0;
}
s->s3.alpn_selected_len = len;
if (s->session->ext.alpn_selected == NULL
|| s->session->ext.alpn_selected_len != len
|| memcmp(s->session->ext.alpn_selected, s->s3.alpn_selected, len)
!= 0) {
s->ext.early_data_ok = 0;
}
if (!s->hit) {
if (!ossl_assert(s->session->ext.alpn_selected == NULL)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
s->session->ext.alpn_selected =
OPENSSL_memdup(s->s3.alpn_selected, s->s3.alpn_selected_len);
if (s->session->ext.alpn_selected == NULL) {
s->session->ext.alpn_selected_len = 0;
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
s->session->ext.alpn_selected_len = s->s3.alpn_selected_len;
}
return 1;
}
#ifndef OPENSSL_NO_SRTP
int tls_parse_stoc_use_srtp(SSL_CONNECTION *s, PACKET *pkt,
unsigned int context, X509 *x, size_t chainidx)
{
unsigned int id, ct, mki;
int i;
STACK_OF(SRTP_PROTECTION_PROFILE) *clnt;
SRTP_PROTECTION_PROFILE *prof;
if (!PACKET_get_net_2(pkt, &ct) || ct != 2
|| !PACKET_get_net_2(pkt, &id)
|| !PACKET_get_1(pkt, &mki)
|| PACKET_remaining(pkt) != 0) {
SSLfatal(s, SSL_AD_DECODE_ERROR,
SSL_R_BAD_SRTP_PROTECTION_PROFILE_LIST);
return 0;
}
if (mki != 0) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_BAD_SRTP_MKI_VALUE);
return 0;
}
clnt = SSL_get_srtp_profiles(SSL_CONNECTION_GET_SSL(s));
if (clnt == NULL) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_NO_SRTP_PROFILES);
return 0;
}
for (i = 0; i < sk_SRTP_PROTECTION_PROFILE_num(clnt); i++) {
prof = sk_SRTP_PROTECTION_PROFILE_value(clnt, i);
if (prof->id == id) {
s->srtp_profile = prof;
return 1;
}
}
SSLfatal(s, SSL_AD_DECODE_ERROR,
SSL_R_BAD_SRTP_PROTECTION_PROFILE_LIST);
return 0;
}
#endif
int tls_parse_stoc_etm(SSL_CONNECTION *s, PACKET *pkt, unsigned int context,
X509 *x, size_t chainidx)
{
if (!(s->options & SSL_OP_NO_ENCRYPT_THEN_MAC)
&& s->s3.tmp.new_cipher->algorithm_mac != SSL_AEAD
&& s->s3.tmp.new_cipher->algorithm_enc != SSL_RC4
&& s->s3.tmp.new_cipher->algorithm_enc != SSL_eGOST2814789CNT
&& s->s3.tmp.new_cipher->algorithm_enc != SSL_eGOST2814789CNT12
&& s->s3.tmp.new_cipher->algorithm_enc != SSL_MAGMA
&& s->s3.tmp.new_cipher->algorithm_enc != SSL_KUZNYECHIK)
s->ext.use_etm = 1;
return 1;
}
int tls_parse_stoc_ems(SSL_CONNECTION *s, PACKET *pkt, unsigned int context,
X509 *x, size_t chainidx)
{
if (s->options & SSL_OP_NO_EXTENDED_MASTER_SECRET)
return 1;
s->s3.flags |= TLS1_FLAGS_RECEIVED_EXTMS;
if (!s->hit)
s->session->flags |= SSL_SESS_FLAG_EXTMS;
return 1;
}
int tls_parse_stoc_supported_versions(SSL_CONNECTION *s, PACKET *pkt,
unsigned int context,
X509 *x, size_t chainidx)
{
unsigned int version;
if (!PACKET_get_net_2(pkt, &version)
|| PACKET_remaining(pkt) != 0) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
return 0;
}
if (version != TLS1_3_VERSION) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER,
SSL_R_BAD_PROTOCOL_VERSION_NUMBER);
return 0;
}
if (context == SSL_EXT_TLS1_3_HELLO_RETRY_REQUEST)
return 1;
s->version = version;
if (!ssl_set_record_protocol_version(s, version)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
return 1;
}
int tls_parse_stoc_key_share(SSL_CONNECTION *s, PACKET *pkt,
unsigned int context, X509 *x,
size_t chainidx)
{
#ifndef OPENSSL_NO_TLS1_3
unsigned int group_id;
PACKET encoded_pt;
EVP_PKEY *ckey = s->s3.tmp.pkey, *skey = NULL;
const TLS_GROUP_INFO *ginf = NULL;
if (ckey == NULL || s->s3.peer_tmp != NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
if (!PACKET_get_net_2(pkt, &group_id)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
return 0;
}
if ((context & SSL_EXT_TLS1_3_HELLO_RETRY_REQUEST) != 0) {
const uint16_t *pgroups = NULL;
size_t i, num_groups;
if (PACKET_remaining(pkt) != 0) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
return 0;
}
if (group_id == s->s3.group_id) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_BAD_KEY_SHARE);
return 0;
}
tls1_get_supported_groups(s, &pgroups, &num_groups);
for (i = 0; i < num_groups; i++) {
if (group_id == pgroups[i])
break;
}
if (i >= num_groups
|| !tls_group_allowed(s, group_id, SSL_SECOP_CURVE_SUPPORTED)
|| !tls_valid_group(s, group_id, TLS1_3_VERSION, TLS1_3_VERSION,
0, NULL)) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_BAD_KEY_SHARE);
return 0;
}
s->s3.group_id = group_id;
EVP_PKEY_free(s->s3.tmp.pkey);
s->s3.tmp.pkey = NULL;
return 1;
}
if (group_id != s->s3.group_id) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_BAD_KEY_SHARE);
return 0;
}
if (!s->hit) {
s->session->kex_group = group_id;
} else if (group_id != s->session->kex_group) {
SSL_SESSION *new_sess;
if ((new_sess = ssl_session_dup(s->session, 0)) == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_SSL_LIB);
return 0;
}
SSL_SESSION_free(s->session);
s->session = new_sess;
s->session->kex_group = group_id;
}
if ((ginf = tls1_group_id_lookup(SSL_CONNECTION_GET_CTX(s),
group_id)) == NULL) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_BAD_KEY_SHARE);
return 0;
}
if (!PACKET_as_length_prefixed_2(pkt, &encoded_pt)
|| PACKET_remaining(&encoded_pt) == 0) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
return 0;
}
if (!ginf->is_kem) {
skey = EVP_PKEY_new();
if (skey == NULL || EVP_PKEY_copy_parameters(skey, ckey) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_COPY_PARAMETERS_FAILED);
EVP_PKEY_free(skey);
return 0;
}
if (tls13_set_encoded_pub_key(skey, PACKET_data(&encoded_pt),
PACKET_remaining(&encoded_pt)) <= 0) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_BAD_ECPOINT);
EVP_PKEY_free(skey);
return 0;
}
if (ssl_derive(s, ckey, skey, 1) == 0) {
EVP_PKEY_free(skey);
return 0;
}
s->s3.peer_tmp = skey;
} else {
const unsigned char *ct = PACKET_data(&encoded_pt);
size_t ctlen = PACKET_remaining(&encoded_pt);
if (ssl_decapsulate(s, ckey, ct, ctlen, 1) == 0) {
return 0;
}
}
s->s3.did_kex = 1;
#endif
return 1;
}
int tls_parse_stoc_cookie(SSL_CONNECTION *s, PACKET *pkt, unsigned int context,
X509 *x, size_t chainidx)
{
PACKET cookie;
if (!PACKET_as_length_prefixed_2(pkt, &cookie)
|| !PACKET_memdup(&cookie, &s->ext.tls13_cookie,
&s->ext.tls13_cookie_len)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
return 0;
}
return 1;
}
int tls_parse_stoc_early_data(SSL_CONNECTION *s, PACKET *pkt,
unsigned int context,
X509 *x, size_t chainidx)
{
if (context == SSL_EXT_TLS1_3_NEW_SESSION_TICKET) {
unsigned long max_early_data;
if (!PACKET_get_net_4(pkt, &max_early_data)
|| PACKET_remaining(pkt) != 0) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_INVALID_MAX_EARLY_DATA);
return 0;
}
s->session->ext.max_early_data = max_early_data;
if (SSL_IS_QUIC_HANDSHAKE(s) && max_early_data != 0xffffffff) {
s->session->ext.max_early_data = 1;
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_INVALID_MAX_EARLY_DATA);
return 0;
}
return 1;
}
if (PACKET_remaining(pkt) != 0) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
return 0;
}
if (!s->ext.early_data_ok
|| !s->hit) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_BAD_EXTENSION);
return 0;
}
s->ext.early_data = SSL_EARLY_DATA_ACCEPTED;
return 1;
}
int tls_parse_stoc_psk(SSL_CONNECTION *s, PACKET *pkt,
unsigned int context, X509 *x,
size_t chainidx)
{
#ifndef OPENSSL_NO_TLS1_3
unsigned int identity;
if (!PACKET_get_net_2(pkt, &identity) || PACKET_remaining(pkt) != 0) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
return 0;
}
if (identity >= (unsigned int)s->ext.tick_identity) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_BAD_PSK_IDENTITY);
return 0;
}
if (identity == 0 && (s->psksession == NULL || s->ext.tick_identity == 2)) {
s->hit = 1;
SSL_SESSION_free(s->psksession);
s->psksession = NULL;
return 1;
}
if (s->psksession == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
if ((s->early_data_state != SSL_EARLY_DATA_WRITE_RETRY
&& s->early_data_state != SSL_EARLY_DATA_FINISHED_WRITING)
|| s->session->ext.max_early_data > 0
|| s->psksession->ext.max_early_data == 0)
memcpy(s->early_secret, s->psksession->early_secret, EVP_MAX_MD_SIZE);
SSL_SESSION_free(s->session);
s->session = s->psksession;
s->psksession = NULL;
s->hit = 1;
if (identity != 0)
s->ext.early_data_ok = 0;
#endif
return 1;
}
EXT_RETURN tls_construct_ctos_client_cert_type(SSL_CONNECTION *sc, WPACKET *pkt,
unsigned int context,
X509 *x, size_t chainidx)
{
sc->ext.client_cert_type_ctos = OSSL_CERT_TYPE_CTOS_NONE;
if (sc->client_cert_type == NULL)
return EXT_RETURN_NOT_SENT;
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_client_cert_type)
|| !WPACKET_start_sub_packet_u16(pkt)
|| !WPACKET_sub_memcpy_u8(pkt, sc->client_cert_type, sc->client_cert_type_len)
|| !WPACKET_close(pkt)) {
SSLfatal(sc, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
sc->ext.client_cert_type_ctos = OSSL_CERT_TYPE_CTOS_GOOD;
return EXT_RETURN_SENT;
}
int tls_parse_stoc_client_cert_type(SSL_CONNECTION *sc, PACKET *pkt,
unsigned int context,
X509 *x, size_t chainidx)
{
unsigned int type;
if (PACKET_remaining(pkt) != 1) {
SSLfatal(sc, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
return 0;
}
if (!PACKET_get_1(pkt, &type)) {
SSLfatal(sc, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
return 0;
}
if (!ossl_assert(sc->ext.client_cert_type_ctos == OSSL_CERT_TYPE_CTOS_GOOD)) {
SSLfatal(sc, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
return 0;
}
if (sc->client_cert_type == NULL) {
SSLfatal(sc, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
return 0;
}
if (memchr(sc->client_cert_type, type, sc->client_cert_type_len) == NULL) {
SSLfatal(sc, SSL_AD_DECODE_ERROR, SSL_R_BAD_VALUE);
return 0;
}
sc->ext.client_cert_type = type;
return 1;
}
EXT_RETURN tls_construct_ctos_server_cert_type(SSL_CONNECTION *sc, WPACKET *pkt,
unsigned int context,
X509 *x, size_t chainidx)
{
sc->ext.server_cert_type_ctos = OSSL_CERT_TYPE_CTOS_NONE;
if (sc->server_cert_type == NULL)
return EXT_RETURN_NOT_SENT;
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_server_cert_type)
|| !WPACKET_start_sub_packet_u16(pkt)
|| !WPACKET_sub_memcpy_u8(pkt, sc->server_cert_type, sc->server_cert_type_len)
|| !WPACKET_close(pkt)) {
SSLfatal(sc, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
sc->ext.server_cert_type_ctos = OSSL_CERT_TYPE_CTOS_GOOD;
return EXT_RETURN_SENT;
}
int tls_parse_stoc_server_cert_type(SSL_CONNECTION *sc, PACKET *pkt,
unsigned int context,
X509 *x, size_t chainidx)
{
unsigned int type;
if (PACKET_remaining(pkt) != 1) {
SSLfatal(sc, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
return 0;
}
if (!PACKET_get_1(pkt, &type)) {
SSLfatal(sc, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
return 0;
}
if (!ossl_assert(sc->ext.server_cert_type_ctos == OSSL_CERT_TYPE_CTOS_GOOD)) {
SSLfatal(sc, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
return 0;
}
if (sc->server_cert_type == NULL) {
SSLfatal(sc, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
return 0;
}
if (memchr(sc->server_cert_type, type, sc->server_cert_type_len) == NULL) {
SSLfatal(sc, SSL_AD_DECODE_ERROR, SSL_R_BAD_VALUE);
return 0;
}
sc->ext.server_cert_type = type;
return 1;
}
| statem | openssl/ssl/statem/extensions_clnt.c | openssl |
#include <stdio.h>
#include <time.h>
#include <assert.h>
#include "../ssl_local.h"
#include "statem_local.h"
#include <openssl/buffer.h>
#include <openssl/rand.h>
#include <openssl/objects.h>
#include <openssl/evp.h>
#include <openssl/md5.h>
#include <openssl/dh.h>
#include <openssl/rsa.h>
#include <openssl/bn.h>
#include <openssl/engine.h>
#include <openssl/trace.h>
#include <openssl/core_names.h>
#include <openssl/param_build.h>
#include "internal/cryptlib.h"
static MSG_PROCESS_RETURN tls_process_as_hello_retry_request(SSL_CONNECTION *s,
PACKET *pkt);
static MSG_PROCESS_RETURN tls_process_encrypted_extensions(SSL_CONNECTION *s,
PACKET *pkt);
static ossl_inline int cert_req_allowed(SSL_CONNECTION *s);
static int key_exchange_expected(SSL_CONNECTION *s);
static int ssl_cipher_list_to_bytes(SSL_CONNECTION *s, STACK_OF(SSL_CIPHER) *sk,
WPACKET *pkt);
static ossl_inline int received_server_cert(SSL_CONNECTION *sc)
{
return sc->session->peer_rpk != NULL || sc->session->peer != NULL;
}
static ossl_inline int cert_req_allowed(SSL_CONNECTION *s)
{
if ((s->version > SSL3_VERSION
&& (s->s3.tmp.new_cipher->algorithm_auth & SSL_aNULL))
|| (s->s3.tmp.new_cipher->algorithm_auth & (SSL_aSRP | SSL_aPSK)))
return 0;
return 1;
}
static int key_exchange_expected(SSL_CONNECTION *s)
{
long alg_k = s->s3.tmp.new_cipher->algorithm_mkey;
if (alg_k & (SSL_kDHE | SSL_kECDHE | SSL_kDHEPSK | SSL_kECDHEPSK
| SSL_kSRP)) {
return 1;
}
return 0;
}
static int ossl_statem_client13_read_transition(SSL_CONNECTION *s, int mt)
{
OSSL_STATEM *st = &s->statem;
switch (st->hand_state) {
default:
break;
case TLS_ST_CW_CLNT_HELLO:
if (mt == SSL3_MT_SERVER_HELLO) {
st->hand_state = TLS_ST_CR_SRVR_HELLO;
return 1;
}
break;
case TLS_ST_CR_SRVR_HELLO:
if (mt == SSL3_MT_ENCRYPTED_EXTENSIONS) {
st->hand_state = TLS_ST_CR_ENCRYPTED_EXTENSIONS;
return 1;
}
break;
case TLS_ST_CR_ENCRYPTED_EXTENSIONS:
if (s->hit) {
if (mt == SSL3_MT_FINISHED) {
st->hand_state = TLS_ST_CR_FINISHED;
return 1;
}
} else {
if (mt == SSL3_MT_CERTIFICATE_REQUEST) {
st->hand_state = TLS_ST_CR_CERT_REQ;
return 1;
}
if (mt == SSL3_MT_CERTIFICATE) {
st->hand_state = TLS_ST_CR_CERT;
return 1;
}
#ifndef OPENSSL_NO_COMP_ALG
if (mt == SSL3_MT_COMPRESSED_CERTIFICATE
&& s->ext.compress_certificate_sent) {
st->hand_state = TLS_ST_CR_COMP_CERT;
return 1;
}
#endif
}
break;
case TLS_ST_CR_CERT_REQ:
if (mt == SSL3_MT_CERTIFICATE) {
st->hand_state = TLS_ST_CR_CERT;
return 1;
}
#ifndef OPENSSL_NO_COMP_ALG
if (mt == SSL3_MT_COMPRESSED_CERTIFICATE
&& s->ext.compress_certificate_sent) {
st->hand_state = TLS_ST_CR_COMP_CERT;
return 1;
}
#endif
break;
case TLS_ST_CR_CERT:
case TLS_ST_CR_COMP_CERT:
if (mt == SSL3_MT_CERTIFICATE_VERIFY) {
st->hand_state = TLS_ST_CR_CERT_VRFY;
return 1;
}
break;
case TLS_ST_CR_CERT_VRFY:
if (mt == SSL3_MT_FINISHED) {
st->hand_state = TLS_ST_CR_FINISHED;
return 1;
}
break;
case TLS_ST_OK:
if (mt == SSL3_MT_NEWSESSION_TICKET) {
st->hand_state = TLS_ST_CR_SESSION_TICKET;
return 1;
}
if (mt == SSL3_MT_KEY_UPDATE && !SSL_IS_QUIC_HANDSHAKE(s)) {
st->hand_state = TLS_ST_CR_KEY_UPDATE;
return 1;
}
if (mt == SSL3_MT_CERTIFICATE_REQUEST) {
#if DTLS_MAX_VERSION_INTERNAL != DTLS1_2_VERSION
# error Internal DTLS version error
#endif
if (!SSL_CONNECTION_IS_DTLS(s)
&& s->post_handshake_auth == SSL_PHA_EXT_SENT) {
s->post_handshake_auth = SSL_PHA_REQUESTED;
if (!tls13_restore_handshake_digest_for_pha(s)) {
return 0;
}
st->hand_state = TLS_ST_CR_CERT_REQ;
return 1;
}
}
break;
}
return 0;
}
int ossl_statem_client_read_transition(SSL_CONNECTION *s, int mt)
{
OSSL_STATEM *st = &s->statem;
int ske_expected;
if (SSL_CONNECTION_IS_TLS13(s)) {
if (!ossl_statem_client13_read_transition(s, mt))
goto err;
return 1;
}
switch (st->hand_state) {
default:
break;
case TLS_ST_CW_CLNT_HELLO:
if (mt == SSL3_MT_SERVER_HELLO) {
st->hand_state = TLS_ST_CR_SRVR_HELLO;
return 1;
}
if (SSL_CONNECTION_IS_DTLS(s)) {
if (mt == DTLS1_MT_HELLO_VERIFY_REQUEST) {
st->hand_state = DTLS_ST_CR_HELLO_VERIFY_REQUEST;
return 1;
}
}
break;
case TLS_ST_EARLY_DATA:
if (mt == SSL3_MT_SERVER_HELLO) {
st->hand_state = TLS_ST_CR_SRVR_HELLO;
return 1;
}
break;
case TLS_ST_CR_SRVR_HELLO:
if (s->hit) {
if (s->ext.ticket_expected) {
if (mt == SSL3_MT_NEWSESSION_TICKET) {
st->hand_state = TLS_ST_CR_SESSION_TICKET;
return 1;
}
} else if (mt == SSL3_MT_CHANGE_CIPHER_SPEC) {
st->hand_state = TLS_ST_CR_CHANGE;
return 1;
}
} else {
if (SSL_CONNECTION_IS_DTLS(s)
&& mt == DTLS1_MT_HELLO_VERIFY_REQUEST) {
st->hand_state = DTLS_ST_CR_HELLO_VERIFY_REQUEST;
return 1;
} else if (s->version >= TLS1_VERSION
&& s->ext.session_secret_cb != NULL
&& s->session->ext.tick != NULL
&& mt == SSL3_MT_CHANGE_CIPHER_SPEC) {
s->hit = 1;
st->hand_state = TLS_ST_CR_CHANGE;
return 1;
} else if (!(s->s3.tmp.new_cipher->algorithm_auth
& (SSL_aNULL | SSL_aSRP | SSL_aPSK))) {
if (mt == SSL3_MT_CERTIFICATE) {
st->hand_state = TLS_ST_CR_CERT;
return 1;
}
} else {
ske_expected = key_exchange_expected(s);
if (ske_expected
|| ((s->s3.tmp.new_cipher->algorithm_mkey & SSL_PSK)
&& mt == SSL3_MT_SERVER_KEY_EXCHANGE)) {
if (mt == SSL3_MT_SERVER_KEY_EXCHANGE) {
st->hand_state = TLS_ST_CR_KEY_EXCH;
return 1;
}
} else if (mt == SSL3_MT_CERTIFICATE_REQUEST
&& cert_req_allowed(s)) {
st->hand_state = TLS_ST_CR_CERT_REQ;
return 1;
} else if (mt == SSL3_MT_SERVER_DONE) {
st->hand_state = TLS_ST_CR_SRVR_DONE;
return 1;
}
}
}
break;
case TLS_ST_CR_CERT:
case TLS_ST_CR_COMP_CERT:
if (s->ext.status_expected && mt == SSL3_MT_CERTIFICATE_STATUS) {
st->hand_state = TLS_ST_CR_CERT_STATUS;
return 1;
}
case TLS_ST_CR_CERT_STATUS:
ske_expected = key_exchange_expected(s);
if (ske_expected || ((s->s3.tmp.new_cipher->algorithm_mkey & SSL_PSK)
&& mt == SSL3_MT_SERVER_KEY_EXCHANGE)) {
if (mt == SSL3_MT_SERVER_KEY_EXCHANGE) {
st->hand_state = TLS_ST_CR_KEY_EXCH;
return 1;
}
goto err;
}
case TLS_ST_CR_KEY_EXCH:
if (mt == SSL3_MT_CERTIFICATE_REQUEST) {
if (cert_req_allowed(s)) {
st->hand_state = TLS_ST_CR_CERT_REQ;
return 1;
}
goto err;
}
case TLS_ST_CR_CERT_REQ:
if (mt == SSL3_MT_SERVER_DONE) {
st->hand_state = TLS_ST_CR_SRVR_DONE;
return 1;
}
break;
case TLS_ST_CW_FINISHED:
if (s->ext.ticket_expected) {
if (mt == SSL3_MT_NEWSESSION_TICKET) {
st->hand_state = TLS_ST_CR_SESSION_TICKET;
return 1;
}
} else if (mt == SSL3_MT_CHANGE_CIPHER_SPEC) {
st->hand_state = TLS_ST_CR_CHANGE;
return 1;
}
break;
case TLS_ST_CR_SESSION_TICKET:
if (mt == SSL3_MT_CHANGE_CIPHER_SPEC) {
st->hand_state = TLS_ST_CR_CHANGE;
return 1;
}
break;
case TLS_ST_CR_CHANGE:
if (mt == SSL3_MT_FINISHED) {
st->hand_state = TLS_ST_CR_FINISHED;
return 1;
}
break;
case TLS_ST_OK:
if (mt == SSL3_MT_HELLO_REQUEST) {
st->hand_state = TLS_ST_CR_HELLO_REQ;
return 1;
}
break;
}
err:
if (SSL_CONNECTION_IS_DTLS(s) && mt == SSL3_MT_CHANGE_CIPHER_SPEC) {
BIO *rbio;
s->init_num = 0;
s->rwstate = SSL_READING;
rbio = SSL_get_rbio(SSL_CONNECTION_GET_SSL(s));
BIO_clear_retry_flags(rbio);
BIO_set_retry_read(rbio);
return 0;
}
SSLfatal(s, SSL3_AD_UNEXPECTED_MESSAGE, SSL_R_UNEXPECTED_MESSAGE);
return 0;
}
static int do_compressed_cert(SSL_CONNECTION *sc)
{
return sc->ext.client_cert_type == TLSEXT_cert_type_x509
&& sc->ext.compress_certificate_from_peer[0] != TLSEXT_comp_cert_none;
}
static WRITE_TRAN ossl_statem_client13_write_transition(SSL_CONNECTION *s)
{
OSSL_STATEM *st = &s->statem;
switch (st->hand_state) {
default:
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return WRITE_TRAN_ERROR;
case TLS_ST_CR_CERT_REQ:
if (s->post_handshake_auth == SSL_PHA_REQUESTED) {
if (do_compressed_cert(s))
st->hand_state = TLS_ST_CW_COMP_CERT;
else
st->hand_state = TLS_ST_CW_CERT;
return WRITE_TRAN_CONTINUE;
}
if (!ossl_assert((s->shutdown & SSL_SENT_SHUTDOWN) != 0)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return WRITE_TRAN_ERROR;
}
st->hand_state = TLS_ST_OK;
return WRITE_TRAN_CONTINUE;
case TLS_ST_CR_FINISHED:
if (s->early_data_state == SSL_EARLY_DATA_WRITE_RETRY
|| s->early_data_state == SSL_EARLY_DATA_FINISHED_WRITING)
st->hand_state = TLS_ST_PENDING_EARLY_DATA_END;
else if ((s->options & SSL_OP_ENABLE_MIDDLEBOX_COMPAT) != 0
&& s->hello_retry_request == SSL_HRR_NONE)
st->hand_state = TLS_ST_CW_CHANGE;
else if (s->s3.tmp.cert_req == 0)
st->hand_state = TLS_ST_CW_FINISHED;
else if (do_compressed_cert(s))
st->hand_state = TLS_ST_CW_COMP_CERT;
else
st->hand_state = TLS_ST_CW_CERT;
s->ts_msg_read = ossl_time_now();
return WRITE_TRAN_CONTINUE;
case TLS_ST_PENDING_EARLY_DATA_END:
if (s->ext.early_data == SSL_EARLY_DATA_ACCEPTED) {
st->hand_state = TLS_ST_CW_END_OF_EARLY_DATA;
return WRITE_TRAN_CONTINUE;
}
case TLS_ST_CW_END_OF_EARLY_DATA:
case TLS_ST_CW_CHANGE:
if (s->s3.tmp.cert_req == 0)
st->hand_state = TLS_ST_CW_FINISHED;
else if (do_compressed_cert(s))
st->hand_state = TLS_ST_CW_COMP_CERT;
else
st->hand_state = TLS_ST_CW_CERT;
return WRITE_TRAN_CONTINUE;
case TLS_ST_CW_COMP_CERT:
case TLS_ST_CW_CERT:
st->hand_state = (s->s3.tmp.cert_req == 1) ? TLS_ST_CW_CERT_VRFY
: TLS_ST_CW_FINISHED;
return WRITE_TRAN_CONTINUE;
case TLS_ST_CW_CERT_VRFY:
st->hand_state = TLS_ST_CW_FINISHED;
return WRITE_TRAN_CONTINUE;
case TLS_ST_CR_KEY_UPDATE:
case TLS_ST_CW_KEY_UPDATE:
case TLS_ST_CR_SESSION_TICKET:
case TLS_ST_CW_FINISHED:
st->hand_state = TLS_ST_OK;
return WRITE_TRAN_CONTINUE;
case TLS_ST_OK:
if (s->key_update != SSL_KEY_UPDATE_NONE) {
st->hand_state = TLS_ST_CW_KEY_UPDATE;
return WRITE_TRAN_CONTINUE;
}
return WRITE_TRAN_FINISHED;
}
}
WRITE_TRAN ossl_statem_client_write_transition(SSL_CONNECTION *s)
{
OSSL_STATEM *st = &s->statem;
if (SSL_CONNECTION_IS_TLS13(s))
return ossl_statem_client13_write_transition(s);
switch (st->hand_state) {
default:
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return WRITE_TRAN_ERROR;
case TLS_ST_OK:
if (!s->renegotiate) {
return WRITE_TRAN_FINISHED;
}
case TLS_ST_BEFORE:
st->hand_state = TLS_ST_CW_CLNT_HELLO;
return WRITE_TRAN_CONTINUE;
case TLS_ST_CW_CLNT_HELLO:
if (s->early_data_state == SSL_EARLY_DATA_CONNECTING) {
if ((s->options & SSL_OP_ENABLE_MIDDLEBOX_COMPAT) != 0)
st->hand_state = TLS_ST_CW_CHANGE;
else
st->hand_state = TLS_ST_EARLY_DATA;
return WRITE_TRAN_CONTINUE;
}
s->ts_msg_write = ossl_time_now();
return WRITE_TRAN_FINISHED;
case TLS_ST_CR_SRVR_HELLO:
if ((s->options & SSL_OP_ENABLE_MIDDLEBOX_COMPAT) != 0
&& s->early_data_state != SSL_EARLY_DATA_FINISHED_WRITING)
st->hand_state = TLS_ST_CW_CHANGE;
else
st->hand_state = TLS_ST_CW_CLNT_HELLO;
return WRITE_TRAN_CONTINUE;
case TLS_ST_EARLY_DATA:
s->ts_msg_write = ossl_time_now();
return WRITE_TRAN_FINISHED;
case DTLS_ST_CR_HELLO_VERIFY_REQUEST:
st->hand_state = TLS_ST_CW_CLNT_HELLO;
return WRITE_TRAN_CONTINUE;
case TLS_ST_CR_SRVR_DONE:
s->ts_msg_read = ossl_time_now();
if (s->s3.tmp.cert_req)
st->hand_state = TLS_ST_CW_CERT;
else
st->hand_state = TLS_ST_CW_KEY_EXCH;
return WRITE_TRAN_CONTINUE;
case TLS_ST_CW_CERT:
st->hand_state = TLS_ST_CW_KEY_EXCH;
return WRITE_TRAN_CONTINUE;
case TLS_ST_CW_KEY_EXCH:
if (s->s3.tmp.cert_req == 1) {
st->hand_state = TLS_ST_CW_CERT_VRFY;
} else {
st->hand_state = TLS_ST_CW_CHANGE;
}
if (s->s3.flags & TLS1_FLAGS_SKIP_CERT_VERIFY) {
st->hand_state = TLS_ST_CW_CHANGE;
}
return WRITE_TRAN_CONTINUE;
case TLS_ST_CW_CERT_VRFY:
st->hand_state = TLS_ST_CW_CHANGE;
return WRITE_TRAN_CONTINUE;
case TLS_ST_CW_CHANGE:
if (s->hello_retry_request == SSL_HRR_PENDING) {
st->hand_state = TLS_ST_CW_CLNT_HELLO;
} else if (s->early_data_state == SSL_EARLY_DATA_CONNECTING) {
st->hand_state = TLS_ST_EARLY_DATA;
} else {
#if defined(OPENSSL_NO_NEXTPROTONEG)
st->hand_state = TLS_ST_CW_FINISHED;
#else
if (!SSL_CONNECTION_IS_DTLS(s) && s->s3.npn_seen)
st->hand_state = TLS_ST_CW_NEXT_PROTO;
else
st->hand_state = TLS_ST_CW_FINISHED;
#endif
}
return WRITE_TRAN_CONTINUE;
#if !defined(OPENSSL_NO_NEXTPROTONEG)
case TLS_ST_CW_NEXT_PROTO:
st->hand_state = TLS_ST_CW_FINISHED;
return WRITE_TRAN_CONTINUE;
#endif
case TLS_ST_CW_FINISHED:
if (s->hit) {
st->hand_state = TLS_ST_OK;
return WRITE_TRAN_CONTINUE;
} else {
return WRITE_TRAN_FINISHED;
}
case TLS_ST_CR_FINISHED:
if (s->hit) {
st->hand_state = TLS_ST_CW_CHANGE;
return WRITE_TRAN_CONTINUE;
} else {
st->hand_state = TLS_ST_OK;
return WRITE_TRAN_CONTINUE;
}
case TLS_ST_CR_HELLO_REQ:
if (ssl3_renegotiate_check(SSL_CONNECTION_GET_SSL(s), 1)) {
if (!tls_setup_handshake(s)) {
return WRITE_TRAN_ERROR;
}
st->hand_state = TLS_ST_CW_CLNT_HELLO;
return WRITE_TRAN_CONTINUE;
}
st->hand_state = TLS_ST_OK;
return WRITE_TRAN_CONTINUE;
}
}
WORK_STATE ossl_statem_client_pre_work(SSL_CONNECTION *s, WORK_STATE wst)
{
OSSL_STATEM *st = &s->statem;
switch (st->hand_state) {
default:
break;
case TLS_ST_CW_CLNT_HELLO:
s->shutdown = 0;
if (SSL_CONNECTION_IS_DTLS(s)) {
if (!ssl3_init_finished_mac(s)) {
return WORK_ERROR;
}
} else if (s->ext.early_data == SSL_EARLY_DATA_REJECTED) {
if (!ssl_set_new_record_layer(s,
TLS_ANY_VERSION,
OSSL_RECORD_DIRECTION_WRITE,
OSSL_RECORD_PROTECTION_LEVEL_NONE,
NULL, 0, NULL, 0, NULL, 0, NULL, 0,
NULL, 0, NID_undef, NULL, NULL,
NULL)) {
return WORK_ERROR;
}
}
break;
case TLS_ST_CW_CHANGE:
if (SSL_CONNECTION_IS_DTLS(s)) {
if (s->hit) {
st->use_timer = 0;
}
#ifndef OPENSSL_NO_SCTP
if (BIO_dgram_is_sctp(SSL_get_wbio(SSL_CONNECTION_GET_SSL(s)))) {
return dtls_wait_for_dry(s);
}
#endif
}
break;
case TLS_ST_PENDING_EARLY_DATA_END:
if (s->early_data_state == SSL_EARLY_DATA_FINISHED_WRITING
|| s->early_data_state == SSL_EARLY_DATA_NONE)
return WORK_FINISHED_CONTINUE;
case TLS_ST_EARLY_DATA:
return tls_finish_handshake(s, wst, 0, 1);
case TLS_ST_OK:
return tls_finish_handshake(s, wst, 1, 1);
}
return WORK_FINISHED_CONTINUE;
}
WORK_STATE ossl_statem_client_post_work(SSL_CONNECTION *s, WORK_STATE wst)
{
OSSL_STATEM *st = &s->statem;
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
s->init_num = 0;
switch (st->hand_state) {
default:
break;
case TLS_ST_CW_CLNT_HELLO:
if (s->early_data_state == SSL_EARLY_DATA_CONNECTING
&& s->max_early_data > 0) {
if ((s->options & SSL_OP_ENABLE_MIDDLEBOX_COMPAT) == 0) {
if (!tls13_change_cipher_state(s,
SSL3_CC_EARLY | SSL3_CHANGE_CIPHER_CLIENT_WRITE)) {
return WORK_ERROR;
}
}
} else if (!statem_flush(s)) {
return WORK_MORE_A;
}
if (SSL_CONNECTION_IS_DTLS(s)) {
s->first_packet = 1;
}
break;
case TLS_ST_CW_KEY_EXCH:
if (tls_client_key_exchange_post_work(s) == 0) {
return WORK_ERROR;
}
break;
case TLS_ST_CW_CHANGE:
if (SSL_CONNECTION_IS_TLS13(s)
|| s->hello_retry_request == SSL_HRR_PENDING)
break;
if (s->early_data_state == SSL_EARLY_DATA_CONNECTING
&& s->max_early_data > 0) {
if (!tls13_change_cipher_state(s,
SSL3_CC_EARLY | SSL3_CHANGE_CIPHER_CLIENT_WRITE))
return WORK_ERROR;
break;
}
s->session->cipher = s->s3.tmp.new_cipher;
#ifdef OPENSSL_NO_COMP
s->session->compress_meth = 0;
#else
if (s->s3.tmp.new_compression == NULL)
s->session->compress_meth = 0;
else
s->session->compress_meth = s->s3.tmp.new_compression->id;
#endif
if (!ssl->method->ssl3_enc->setup_key_block(s)) {
return WORK_ERROR;
}
if (!ssl->method->ssl3_enc->change_cipher_state(s,
SSL3_CHANGE_CIPHER_CLIENT_WRITE)) {
return WORK_ERROR;
}
#ifndef OPENSSL_NO_SCTP
if (SSL_CONNECTION_IS_DTLS(s) && s->hit) {
BIO_ctrl(SSL_get_wbio(ssl), BIO_CTRL_DGRAM_SCTP_NEXT_AUTH_KEY,
0, NULL);
}
#endif
break;
case TLS_ST_CW_FINISHED:
#ifndef OPENSSL_NO_SCTP
if (wst == WORK_MORE_A && SSL_CONNECTION_IS_DTLS(s) && s->hit == 0) {
BIO_ctrl(SSL_get_wbio(ssl), BIO_CTRL_DGRAM_SCTP_NEXT_AUTH_KEY,
0, NULL);
}
#endif
if (statem_flush(s) != 1)
return WORK_MORE_B;
if (SSL_CONNECTION_IS_TLS13(s)) {
if (!tls13_save_handshake_digest_for_pha(s)) {
return WORK_ERROR;
}
if (s->post_handshake_auth != SSL_PHA_REQUESTED) {
if (!ssl->method->ssl3_enc->change_cipher_state(s,
SSL3_CC_APPLICATION | SSL3_CHANGE_CIPHER_CLIENT_WRITE)) {
return WORK_ERROR;
}
}
}
break;
case TLS_ST_CW_KEY_UPDATE:
if (statem_flush(s) != 1)
return WORK_MORE_A;
if (!tls13_update_key(s, 1)) {
return WORK_ERROR;
}
break;
}
return WORK_FINISHED_CONTINUE;
}
int ossl_statem_client_construct_message(SSL_CONNECTION *s,
confunc_f *confunc, int *mt)
{
OSSL_STATEM *st = &s->statem;
switch (st->hand_state) {
default:
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_BAD_HANDSHAKE_STATE);
return 0;
case TLS_ST_CW_CHANGE:
if (SSL_CONNECTION_IS_DTLS(s))
*confunc = dtls_construct_change_cipher_spec;
else
*confunc = tls_construct_change_cipher_spec;
*mt = SSL3_MT_CHANGE_CIPHER_SPEC;
break;
case TLS_ST_CW_CLNT_HELLO:
*confunc = tls_construct_client_hello;
*mt = SSL3_MT_CLIENT_HELLO;
break;
case TLS_ST_CW_END_OF_EARLY_DATA:
*confunc = tls_construct_end_of_early_data;
*mt = SSL3_MT_END_OF_EARLY_DATA;
break;
case TLS_ST_PENDING_EARLY_DATA_END:
*confunc = NULL;
*mt = SSL3_MT_DUMMY;
break;
case TLS_ST_CW_CERT:
*confunc = tls_construct_client_certificate;
*mt = SSL3_MT_CERTIFICATE;
break;
#ifndef OPENSSL_NO_COMP_ALG
case TLS_ST_CW_COMP_CERT:
*confunc = tls_construct_client_compressed_certificate;
*mt = SSL3_MT_COMPRESSED_CERTIFICATE;
break;
#endif
case TLS_ST_CW_KEY_EXCH:
*confunc = tls_construct_client_key_exchange;
*mt = SSL3_MT_CLIENT_KEY_EXCHANGE;
break;
case TLS_ST_CW_CERT_VRFY:
*confunc = tls_construct_cert_verify;
*mt = SSL3_MT_CERTIFICATE_VERIFY;
break;
#if !defined(OPENSSL_NO_NEXTPROTONEG)
case TLS_ST_CW_NEXT_PROTO:
*confunc = tls_construct_next_proto;
*mt = SSL3_MT_NEXT_PROTO;
break;
#endif
case TLS_ST_CW_FINISHED:
*confunc = tls_construct_finished;
*mt = SSL3_MT_FINISHED;
break;
case TLS_ST_CW_KEY_UPDATE:
*confunc = tls_construct_key_update;
*mt = SSL3_MT_KEY_UPDATE;
break;
}
return 1;
}
size_t ossl_statem_client_max_message_size(SSL_CONNECTION *s)
{
OSSL_STATEM *st = &s->statem;
switch (st->hand_state) {
default:
return 0;
case TLS_ST_CR_SRVR_HELLO:
return SERVER_HELLO_MAX_LENGTH;
case DTLS_ST_CR_HELLO_VERIFY_REQUEST:
return HELLO_VERIFY_REQUEST_MAX_LENGTH;
case TLS_ST_CR_COMP_CERT:
case TLS_ST_CR_CERT:
return s->max_cert_list;
case TLS_ST_CR_CERT_VRFY:
return CERTIFICATE_VERIFY_MAX_LENGTH;
case TLS_ST_CR_CERT_STATUS:
return SSL3_RT_MAX_PLAIN_LENGTH;
case TLS_ST_CR_KEY_EXCH:
return SERVER_KEY_EXCH_MAX_LENGTH;
case TLS_ST_CR_CERT_REQ:
return s->max_cert_list;
case TLS_ST_CR_SRVR_DONE:
return SERVER_HELLO_DONE_MAX_LENGTH;
case TLS_ST_CR_CHANGE:
if (s->version == DTLS1_BAD_VER)
return 3;
return CCS_MAX_LENGTH;
case TLS_ST_CR_SESSION_TICKET:
return (SSL_CONNECTION_IS_TLS13(s)) ? SESSION_TICKET_MAX_LENGTH_TLS13
: SESSION_TICKET_MAX_LENGTH_TLS12;
case TLS_ST_CR_FINISHED:
return FINISHED_MAX_LENGTH;
case TLS_ST_CR_ENCRYPTED_EXTENSIONS:
return ENCRYPTED_EXTENSIONS_MAX_LENGTH;
case TLS_ST_CR_KEY_UPDATE:
return KEY_UPDATE_MAX_LENGTH;
}
}
MSG_PROCESS_RETURN ossl_statem_client_process_message(SSL_CONNECTION *s,
PACKET *pkt)
{
OSSL_STATEM *st = &s->statem;
switch (st->hand_state) {
default:
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return MSG_PROCESS_ERROR;
case TLS_ST_CR_SRVR_HELLO:
return tls_process_server_hello(s, pkt);
case DTLS_ST_CR_HELLO_VERIFY_REQUEST:
return dtls_process_hello_verify(s, pkt);
case TLS_ST_CR_CERT:
return tls_process_server_certificate(s, pkt);
#ifndef OPENSSL_NO_COMP_ALG
case TLS_ST_CR_COMP_CERT:
return tls_process_server_compressed_certificate(s, pkt);
#endif
case TLS_ST_CR_CERT_VRFY:
return tls_process_cert_verify(s, pkt);
case TLS_ST_CR_CERT_STATUS:
return tls_process_cert_status(s, pkt);
case TLS_ST_CR_KEY_EXCH:
return tls_process_key_exchange(s, pkt);
case TLS_ST_CR_CERT_REQ:
return tls_process_certificate_request(s, pkt);
case TLS_ST_CR_SRVR_DONE:
return tls_process_server_done(s, pkt);
case TLS_ST_CR_CHANGE:
return tls_process_change_cipher_spec(s, pkt);
case TLS_ST_CR_SESSION_TICKET:
return tls_process_new_session_ticket(s, pkt);
case TLS_ST_CR_FINISHED:
return tls_process_finished(s, pkt);
case TLS_ST_CR_HELLO_REQ:
return tls_process_hello_req(s, pkt);
case TLS_ST_CR_ENCRYPTED_EXTENSIONS:
return tls_process_encrypted_extensions(s, pkt);
case TLS_ST_CR_KEY_UPDATE:
return tls_process_key_update(s, pkt);
}
}
WORK_STATE ossl_statem_client_post_process_message(SSL_CONNECTION *s,
WORK_STATE wst)
{
OSSL_STATEM *st = &s->statem;
switch (st->hand_state) {
default:
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return WORK_ERROR;
case TLS_ST_CR_CERT:
case TLS_ST_CR_COMP_CERT:
return tls_post_process_server_certificate(s, wst);
case TLS_ST_CR_CERT_VRFY:
case TLS_ST_CR_CERT_REQ:
return tls_prepare_client_certificate(s, wst);
}
}
CON_FUNC_RETURN tls_construct_client_hello(SSL_CONNECTION *s, WPACKET *pkt)
{
unsigned char *p;
size_t sess_id_len;
int i, protverr;
#ifndef OPENSSL_NO_COMP
SSL_COMP *comp;
#endif
SSL_SESSION *sess = s->session;
unsigned char *session_id;
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
protverr = ssl_set_client_hello_version(s);
if (protverr != 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, protverr);
return CON_FUNC_ERROR;
}
if (sess == NULL
|| !ssl_version_supported(s, sess->ssl_version, NULL)
|| !SSL_SESSION_is_resumable(sess)) {
if (s->hello_retry_request == SSL_HRR_NONE
&& !ssl_get_new_session(s, 0)) {
return CON_FUNC_ERROR;
}
}
p = s->s3.client_random;
if (SSL_CONNECTION_IS_DTLS(s)) {
size_t idx;
i = 1;
for (idx = 0; idx < sizeof(s->s3.client_random); idx++) {
if (p[idx]) {
i = 0;
break;
}
}
} else {
i = (s->hello_retry_request == SSL_HRR_NONE);
}
if (i && ssl_fill_hello_random(s, 0, p, sizeof(s->s3.client_random),
DOWNGRADE_NONE) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return CON_FUNC_ERROR;
}
if (!WPACKET_put_bytes_u16(pkt, s->client_version)
|| !WPACKET_memcpy(pkt, s->s3.client_random, SSL3_RANDOM_SIZE)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return CON_FUNC_ERROR;
}
session_id = s->session->session_id;
if (s->new_session || s->session->ssl_version == TLS1_3_VERSION) {
if (s->version == TLS1_3_VERSION
&& (s->options & SSL_OP_ENABLE_MIDDLEBOX_COMPAT) != 0) {
sess_id_len = sizeof(s->tmp_session_id);
s->tmp_session_id_len = sess_id_len;
session_id = s->tmp_session_id;
if (s->hello_retry_request == SSL_HRR_NONE
&& RAND_bytes_ex(sctx->libctx, s->tmp_session_id,
sess_id_len, 0) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return CON_FUNC_ERROR;
}
} else {
sess_id_len = 0;
}
} else {
assert(s->session->session_id_length <= sizeof(s->session->session_id));
sess_id_len = s->session->session_id_length;
if (s->version == TLS1_3_VERSION) {
s->tmp_session_id_len = sess_id_len;
memcpy(s->tmp_session_id, s->session->session_id, sess_id_len);
}
}
if (!WPACKET_start_sub_packet_u8(pkt)
|| (sess_id_len != 0 && !WPACKET_memcpy(pkt, session_id,
sess_id_len))
|| !WPACKET_close(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return CON_FUNC_ERROR;
}
if (SSL_CONNECTION_IS_DTLS(s)) {
if (s->d1->cookie_len > sizeof(s->d1->cookie)
|| !WPACKET_sub_memcpy_u8(pkt, s->d1->cookie,
s->d1->cookie_len)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return CON_FUNC_ERROR;
}
}
if (!WPACKET_start_sub_packet_u16(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return CON_FUNC_ERROR;
}
if (!ssl_cipher_list_to_bytes(s, SSL_get_ciphers(SSL_CONNECTION_GET_SSL(s)),
pkt)) {
return CON_FUNC_ERROR;
}
if (!WPACKET_close(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return CON_FUNC_ERROR;
}
if (!WPACKET_start_sub_packet_u8(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return CON_FUNC_ERROR;
}
#ifndef OPENSSL_NO_COMP
if (ssl_allow_compression(s)
&& sctx->comp_methods
&& (SSL_CONNECTION_IS_DTLS(s)
|| s->s3.tmp.max_ver < TLS1_3_VERSION)) {
int compnum = sk_SSL_COMP_num(sctx->comp_methods);
for (i = 0; i < compnum; i++) {
comp = sk_SSL_COMP_value(sctx->comp_methods, i);
if (!WPACKET_put_bytes_u8(pkt, comp->id)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return CON_FUNC_ERROR;
}
}
}
#endif
if (!WPACKET_put_bytes_u8(pkt, 0) || !WPACKET_close(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return CON_FUNC_ERROR;
}
if (!tls_construct_extensions(s, pkt, SSL_EXT_CLIENT_HELLO, NULL, 0)) {
return CON_FUNC_ERROR;
}
return CON_FUNC_SUCCESS;
}
MSG_PROCESS_RETURN dtls_process_hello_verify(SSL_CONNECTION *s, PACKET *pkt)
{
size_t cookie_len;
PACKET cookiepkt;
if (!PACKET_forward(pkt, 2)
|| !PACKET_get_length_prefixed_1(pkt, &cookiepkt)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
return MSG_PROCESS_ERROR;
}
cookie_len = PACKET_remaining(&cookiepkt);
if (cookie_len > sizeof(s->d1->cookie)) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_LENGTH_TOO_LONG);
return MSG_PROCESS_ERROR;
}
if (!PACKET_copy_bytes(&cookiepkt, s->d1->cookie, cookie_len)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
return MSG_PROCESS_ERROR;
}
s->d1->cookie_len = cookie_len;
return MSG_PROCESS_FINISHED_READING;
}
static int set_client_ciphersuite(SSL_CONNECTION *s,
const unsigned char *cipherchars)
{
STACK_OF(SSL_CIPHER) *sk;
const SSL_CIPHER *c;
int i;
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
c = ssl_get_cipher_by_char(s, cipherchars, 0);
if (c == NULL) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_UNKNOWN_CIPHER_RETURNED);
return 0;
}
if (ssl_cipher_disabled(s, c, SSL_SECOP_CIPHER_CHECK, 1)) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_WRONG_CIPHER_RETURNED);
return 0;
}
sk = ssl_get_ciphers_by_id(s);
i = sk_SSL_CIPHER_find(sk, c);
if (i < 0) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_WRONG_CIPHER_RETURNED);
return 0;
}
if (SSL_CONNECTION_IS_TLS13(s) && s->s3.tmp.new_cipher != NULL
&& s->s3.tmp.new_cipher->id != c->id) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_WRONG_CIPHER_RETURNED);
return 0;
}
if (s->session->cipher != NULL)
s->session->cipher_id = s->session->cipher->id;
if (s->hit && (s->session->cipher_id != c->id)) {
if (SSL_CONNECTION_IS_TLS13(s)) {
const EVP_MD *md = ssl_md(sctx, c->algorithm2);
if (!ossl_assert(s->session->cipher != NULL)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
if (md == NULL
|| md != ssl_md(sctx, s->session->cipher->algorithm2)) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER,
SSL_R_CIPHERSUITE_DIGEST_HAS_CHANGED);
return 0;
}
} else {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER,
SSL_R_OLD_SESSION_CIPHER_NOT_RETURNED);
return 0;
}
}
s->s3.tmp.new_cipher = c;
return 1;
}
MSG_PROCESS_RETURN tls_process_server_hello(SSL_CONNECTION *s, PACKET *pkt)
{
PACKET session_id, extpkt;
size_t session_id_len;
const unsigned char *cipherchars;
int hrr = 0;
unsigned int compression;
unsigned int sversion;
unsigned int context;
RAW_EXTENSION *extensions = NULL;
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
#ifndef OPENSSL_NO_COMP
SSL_COMP *comp;
#endif
if (!PACKET_get_net_2(pkt, &sversion)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
goto err;
}
if (s->version == TLS1_3_VERSION
&& sversion == TLS1_2_VERSION
&& PACKET_remaining(pkt) >= SSL3_RANDOM_SIZE
&& memcmp(hrrrandom, PACKET_data(pkt), SSL3_RANDOM_SIZE) == 0) {
if (s->hello_retry_request != SSL_HRR_NONE) {
SSLfatal(s, SSL_AD_UNEXPECTED_MESSAGE, SSL_R_UNEXPECTED_MESSAGE);
goto err;
}
s->hello_retry_request = SSL_HRR_PENDING;
if (!ssl_set_record_protocol_version(s, s->version)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
hrr = 1;
if (!PACKET_forward(pkt, SSL3_RANDOM_SIZE)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
goto err;
}
} else {
if (!PACKET_copy_bytes(pkt, s->s3.server_random, SSL3_RANDOM_SIZE)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
goto err;
}
}
if (!PACKET_get_length_prefixed_1(pkt, &session_id)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
goto err;
}
session_id_len = PACKET_remaining(&session_id);
if (session_id_len > sizeof(s->session->session_id)
|| session_id_len > SSL3_SESSION_ID_SIZE) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_SSL3_SESSION_ID_TOO_LONG);
goto err;
}
if (!PACKET_get_bytes(pkt, &cipherchars, TLS_CIPHER_LEN)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
goto err;
}
if (!PACKET_get_1(pkt, &compression)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
goto err;
}
if (PACKET_remaining(pkt) == 0 && !hrr) {
PACKET_null_init(&extpkt);
} else if (!PACKET_as_length_prefixed_2(pkt, &extpkt)
|| PACKET_remaining(pkt) != 0) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_LENGTH);
goto err;
}
if (!hrr) {
if (!tls_collect_extensions(s, &extpkt,
SSL_EXT_TLS1_2_SERVER_HELLO
| SSL_EXT_TLS1_3_SERVER_HELLO,
&extensions, NULL, 1)) {
goto err;
}
if (!ssl_choose_client_version(s, sversion, extensions)) {
goto err;
}
}
if (SSL_CONNECTION_IS_TLS13(s) || hrr) {
if (compression != 0) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER,
SSL_R_INVALID_COMPRESSION_ALGORITHM);
goto err;
}
if (session_id_len != s->tmp_session_id_len
|| memcmp(PACKET_data(&session_id), s->tmp_session_id,
session_id_len) != 0) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_INVALID_SESSION_ID);
goto err;
}
}
if (hrr) {
if (!set_client_ciphersuite(s, cipherchars)) {
goto err;
}
return tls_process_as_hello_retry_request(s, &extpkt);
}
context = SSL_CONNECTION_IS_TLS13(s) ? SSL_EXT_TLS1_3_SERVER_HELLO
: SSL_EXT_TLS1_2_SERVER_HELLO;
if (!tls_validate_all_contexts(s, context, extensions)) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_BAD_EXTENSION);
goto err;
}
s->hit = 0;
if (SSL_CONNECTION_IS_TLS13(s)) {
if (RECORD_LAYER_processed_read_pending(&s->rlayer)) {
SSLfatal(s, SSL_AD_UNEXPECTED_MESSAGE,
SSL_R_NOT_ON_RECORD_BOUNDARY);
goto err;
}
if (!tls_parse_extension(s, TLSEXT_IDX_psk,
SSL_EXT_TLS1_3_SERVER_HELLO,
extensions, NULL, 0)) {
goto err;
}
} else {
if (s->version >= TLS1_VERSION
&& s->ext.session_secret_cb != NULL && s->session->ext.tick) {
const SSL_CIPHER *pref_cipher = NULL;
int master_key_length;
master_key_length = sizeof(s->session->master_key);
if (s->ext.session_secret_cb(ssl, s->session->master_key,
&master_key_length,
NULL, &pref_cipher,
s->ext.session_secret_cb_arg)
&& master_key_length > 0) {
s->session->master_key_length = master_key_length;
s->session->cipher = pref_cipher ?
pref_cipher : ssl_get_cipher_by_char(s, cipherchars, 0);
} else {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
}
if (session_id_len != 0
&& session_id_len == s->session->session_id_length
&& memcmp(PACKET_data(&session_id), s->session->session_id,
session_id_len) == 0)
s->hit = 1;
}
if (s->hit) {
if (s->sid_ctx_length != s->session->sid_ctx_length
|| memcmp(s->session->sid_ctx, s->sid_ctx, s->sid_ctx_length)) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER,
SSL_R_ATTEMPT_TO_REUSE_SESSION_IN_DIFFERENT_CONTEXT);
goto err;
}
} else {
if (s->session->session_id_length > 0) {
ssl_tsan_counter(s->session_ctx, &s->session_ctx->stats.sess_miss);
if (!ssl_get_new_session(s, 0)) {
goto err;
}
}
s->session->ssl_version = s->version;
if (!SSL_CONNECTION_IS_TLS13(s)) {
s->session->session_id_length = session_id_len;
if (session_id_len > 0)
memcpy(s->session->session_id, PACKET_data(&session_id),
session_id_len);
}
}
if (s->version != s->session->ssl_version) {
SSLfatal(s, SSL_AD_PROTOCOL_VERSION,
SSL_R_SSL_SESSION_VERSION_MISMATCH);
goto err;
}
s->s3.tmp.min_ver = s->version;
s->s3.tmp.max_ver = s->version;
if (!set_client_ciphersuite(s, cipherchars)) {
goto err;
}
#ifdef OPENSSL_NO_COMP
if (compression != 0) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER,
SSL_R_UNSUPPORTED_COMPRESSION_ALGORITHM);
goto err;
}
if (s->session->compress_meth != 0) {
SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_R_INCONSISTENT_COMPRESSION);
goto err;
}
#else
if (s->hit && compression != s->session->compress_meth) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER,
SSL_R_OLD_SESSION_COMPRESSION_ALGORITHM_NOT_RETURNED);
goto err;
}
if (compression == 0)
comp = NULL;
else if (!ssl_allow_compression(s)) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_COMPRESSION_DISABLED);
goto err;
} else {
comp = ssl3_comp_find(SSL_CONNECTION_GET_CTX(s)->comp_methods,
compression);
}
if (compression != 0 && comp == NULL) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER,
SSL_R_UNSUPPORTED_COMPRESSION_ALGORITHM);
goto err;
} else {
s->s3.tmp.new_compression = comp;
}
#endif
if (!tls_parse_all_extensions(s, context, extensions, NULL, 0, 1)) {
goto err;
}
#ifndef OPENSSL_NO_SCTP
if (SSL_CONNECTION_IS_DTLS(s) && s->hit) {
unsigned char sctpauthkey[64];
char labelbuffer[sizeof(DTLS1_SCTP_AUTH_LABEL)];
size_t labellen;
memcpy(labelbuffer, DTLS1_SCTP_AUTH_LABEL,
sizeof(DTLS1_SCTP_AUTH_LABEL));
labellen = sizeof(labelbuffer) - 1;
if (s->mode & SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG)
labellen += 1;
if (SSL_export_keying_material(ssl, sctpauthkey,
sizeof(sctpauthkey),
labelbuffer,
labellen, NULL, 0, 0) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
BIO_ctrl(SSL_get_wbio(ssl),
BIO_CTRL_DGRAM_SCTP_ADD_AUTH_KEY,
sizeof(sctpauthkey), sctpauthkey);
}
#endif
if (SSL_CONNECTION_IS_TLS13(s)) {
if (!ssl->method->ssl3_enc->setup_key_block(s)
|| !ssl->method->ssl3_enc->change_cipher_state(s,
SSL3_CC_HANDSHAKE | SSL3_CHANGE_CIPHER_CLIENT_READ)) {
goto err;
}
if (s->early_data_state == SSL_EARLY_DATA_NONE
&& (s->options & SSL_OP_ENABLE_MIDDLEBOX_COMPAT) == 0
&& !ssl->method->ssl3_enc->change_cipher_state(s,
SSL3_CC_HANDSHAKE | SSL3_CHANGE_CIPHER_CLIENT_WRITE)) {
goto err;
}
}
OPENSSL_free(extensions);
return MSG_PROCESS_CONTINUE_READING;
err:
OPENSSL_free(extensions);
return MSG_PROCESS_ERROR;
}
static MSG_PROCESS_RETURN tls_process_as_hello_retry_request(SSL_CONNECTION *s,
PACKET *extpkt)
{
RAW_EXTENSION *extensions = NULL;
if (s->early_data_state == SSL_EARLY_DATA_FINISHED_WRITING
&& !ssl_set_new_record_layer(s,
TLS_ANY_VERSION,
OSSL_RECORD_DIRECTION_WRITE,
OSSL_RECORD_PROTECTION_LEVEL_NONE,
NULL, 0, NULL, 0, NULL, 0, NULL, 0,
NULL, 0, NID_undef, NULL, NULL, NULL)) {
goto err;
}
s->rlayer.wrlmethod->set_protocol_version(s->rlayer.wrl, TLS1_3_VERSION);
if (!tls_collect_extensions(s, extpkt, SSL_EXT_TLS1_3_HELLO_RETRY_REQUEST,
&extensions, NULL, 1)
|| !tls_parse_all_extensions(s, SSL_EXT_TLS1_3_HELLO_RETRY_REQUEST,
extensions, NULL, 0, 1)) {
goto err;
}
OPENSSL_free(extensions);
extensions = NULL;
if (s->ext.tls13_cookie_len == 0 && s->s3.tmp.pkey != NULL) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_NO_CHANGE_FOLLOWING_HRR);
goto err;
}
if (!create_synthetic_message_hash(s, NULL, 0, NULL, 0)) {
goto err;
}
if (!ssl3_finish_mac(s, (unsigned char *)s->init_buf->data,
s->init_num + SSL3_HM_HEADER_LENGTH)) {
goto err;
}
return MSG_PROCESS_FINISHED_READING;
err:
OPENSSL_free(extensions);
return MSG_PROCESS_ERROR;
}
MSG_PROCESS_RETURN tls_process_server_rpk(SSL_CONNECTION *sc, PACKET *pkt)
{
EVP_PKEY *peer_rpk;
if (!tls_process_rpk(sc, pkt, &peer_rpk)) {
return MSG_PROCESS_ERROR;
}
if (peer_rpk == NULL) {
SSLfatal(sc, SSL_AD_DECODE_ERROR, SSL_R_BAD_CERTIFICATE);
return MSG_PROCESS_ERROR;
}
EVP_PKEY_free(sc->session->peer_rpk);
sc->session->peer_rpk = peer_rpk;
return MSG_PROCESS_CONTINUE_PROCESSING;
}
static WORK_STATE tls_post_process_server_rpk(SSL_CONNECTION *sc,
WORK_STATE wst)
{
size_t certidx;
const SSL_CERT_LOOKUP *clu;
if (sc->session->peer_rpk == NULL) {
SSLfatal(sc, SSL_AD_ILLEGAL_PARAMETER,
SSL_R_INVALID_RAW_PUBLIC_KEY);
return WORK_ERROR;
}
if (sc->rwstate == SSL_RETRY_VERIFY)
sc->rwstate = SSL_NOTHING;
if (ssl_verify_rpk(sc, sc->session->peer_rpk) > 0
&& sc->rwstate == SSL_RETRY_VERIFY)
return WORK_MORE_A;
if ((clu = ssl_cert_lookup_by_pkey(sc->session->peer_rpk, &certidx,
SSL_CONNECTION_GET_CTX(sc))) == NULL) {
SSLfatal(sc, SSL_AD_ILLEGAL_PARAMETER, SSL_R_UNKNOWN_CERTIFICATE_TYPE);
return WORK_ERROR;
}
if (!SSL_CONNECTION_IS_TLS13(sc)) {
if ((clu->amask & sc->s3.tmp.new_cipher->algorithm_auth) == 0) {
SSLfatal(sc, SSL_AD_ILLEGAL_PARAMETER, SSL_R_WRONG_RPK_TYPE);
return WORK_ERROR;
}
}
X509_free(sc->session->peer);
sc->session->peer = NULL;
sk_X509_pop_free(sc->session->peer_chain, X509_free);
sc->session->peer_chain = NULL;
sc->session->verify_result = sc->verify_result;
if (SSL_CONNECTION_IS_TLS13(sc)
&& !ssl_handshake_hash(sc, sc->cert_verify_hash,
sizeof(sc->cert_verify_hash),
&sc->cert_verify_hash_len)) {
return WORK_ERROR;
}
return WORK_FINISHED_CONTINUE;
}
MSG_PROCESS_RETURN tls_process_server_certificate(SSL_CONNECTION *s,
PACKET *pkt)
{
unsigned long cert_list_len, cert_len;
X509 *x = NULL;
const unsigned char *certstart, *certbytes;
size_t chainidx;
unsigned int context = 0;
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
if (s->ext.server_cert_type == TLSEXT_cert_type_rpk)
return tls_process_server_rpk(s, pkt);
if (s->ext.server_cert_type != TLSEXT_cert_type_x509) {
SSLfatal(s, SSL_AD_UNSUPPORTED_CERTIFICATE,
SSL_R_UNKNOWN_CERTIFICATE_TYPE);
goto err;
}
if ((s->session->peer_chain = sk_X509_new_null()) == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CRYPTO_LIB);
goto err;
}
if ((SSL_CONNECTION_IS_TLS13(s) && !PACKET_get_1(pkt, &context))
|| context != 0
|| !PACKET_get_net_3(pkt, &cert_list_len)
|| PACKET_remaining(pkt) != cert_list_len
|| PACKET_remaining(pkt) == 0) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
goto err;
}
for (chainidx = 0; PACKET_remaining(pkt); chainidx++) {
if (!PACKET_get_net_3(pkt, &cert_len)
|| !PACKET_get_bytes(pkt, &certbytes, cert_len)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_CERT_LENGTH_MISMATCH);
goto err;
}
certstart = certbytes;
x = X509_new_ex(sctx->libctx, sctx->propq);
if (x == NULL) {
SSLfatal(s, SSL_AD_DECODE_ERROR, ERR_R_ASN1_LIB);
goto err;
}
if (d2i_X509(&x, (const unsigned char **)&certbytes,
cert_len) == NULL) {
SSLfatal(s, SSL_AD_BAD_CERTIFICATE, ERR_R_ASN1_LIB);
goto err;
}
if (certbytes != (certstart + cert_len)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_CERT_LENGTH_MISMATCH);
goto err;
}
if (SSL_CONNECTION_IS_TLS13(s)) {
RAW_EXTENSION *rawexts = NULL;
PACKET extensions;
if (!PACKET_get_length_prefixed_2(pkt, &extensions)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_LENGTH);
goto err;
}
if (!tls_collect_extensions(s, &extensions,
SSL_EXT_TLS1_3_CERTIFICATE, &rawexts,
NULL, chainidx == 0)
|| !tls_parse_all_extensions(s, SSL_EXT_TLS1_3_CERTIFICATE,
rawexts, x, chainidx,
PACKET_remaining(pkt) == 0)) {
OPENSSL_free(rawexts);
goto err;
}
OPENSSL_free(rawexts);
}
if (!sk_X509_push(s->session->peer_chain, x)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CRYPTO_LIB);
goto err;
}
x = NULL;
}
return MSG_PROCESS_CONTINUE_PROCESSING;
err:
X509_free(x);
OSSL_STACK_OF_X509_free(s->session->peer_chain);
s->session->peer_chain = NULL;
return MSG_PROCESS_ERROR;
}
WORK_STATE tls_post_process_server_certificate(SSL_CONNECTION *s,
WORK_STATE wst)
{
X509 *x;
EVP_PKEY *pkey = NULL;
const SSL_CERT_LOOKUP *clu;
size_t certidx;
int i;
if (s->ext.server_cert_type == TLSEXT_cert_type_rpk)
return tls_post_process_server_rpk(s, wst);
if (s->rwstate == SSL_RETRY_VERIFY)
s->rwstate = SSL_NOTHING;
i = ssl_verify_cert_chain(s, s->session->peer_chain);
if (i > 0 && s->rwstate == SSL_RETRY_VERIFY) {
return WORK_MORE_A;
}
if (s->verify_mode != SSL_VERIFY_NONE && i <= 0) {
SSLfatal(s, ssl_x509err2alert(s->verify_result),
SSL_R_CERTIFICATE_VERIFY_FAILED);
return WORK_ERROR;
}
ERR_clear_error();
x = sk_X509_value(s->session->peer_chain, 0);
pkey = X509_get0_pubkey(x);
if (pkey == NULL || EVP_PKEY_missing_parameters(pkey)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR,
SSL_R_UNABLE_TO_FIND_PUBLIC_KEY_PARAMETERS);
return WORK_ERROR;
}
if ((clu = ssl_cert_lookup_by_pkey(pkey, &certidx,
SSL_CONNECTION_GET_CTX(s))) == NULL) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_UNKNOWN_CERTIFICATE_TYPE);
return WORK_ERROR;
}
if (!SSL_CONNECTION_IS_TLS13(s)) {
if ((clu->amask & s->s3.tmp.new_cipher->algorithm_auth) == 0) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_WRONG_CERTIFICATE_TYPE);
return WORK_ERROR;
}
}
X509_free(s->session->peer);
X509_up_ref(x);
s->session->peer = x;
s->session->verify_result = s->verify_result;
EVP_PKEY_free(s->session->peer_rpk);
s->session->peer_rpk = NULL;
if (SSL_CONNECTION_IS_TLS13(s)
&& !ssl_handshake_hash(s, s->cert_verify_hash,
sizeof(s->cert_verify_hash),
&s->cert_verify_hash_len)) {
;
return WORK_ERROR;
}
return WORK_FINISHED_CONTINUE;
}
#ifndef OPENSSL_NO_COMP_ALG
MSG_PROCESS_RETURN tls_process_server_compressed_certificate(SSL_CONNECTION *sc, PACKET *pkt)
{
MSG_PROCESS_RETURN ret = MSG_PROCESS_ERROR;
PACKET tmppkt;
BUF_MEM *buf = BUF_MEM_new();
if (tls13_process_compressed_certificate(sc, pkt, &tmppkt, buf) != MSG_PROCESS_ERROR)
ret = tls_process_server_certificate(sc, &tmppkt);
BUF_MEM_free(buf);
return ret;
}
#endif
static int tls_process_ske_psk_preamble(SSL_CONNECTION *s, PACKET *pkt)
{
#ifndef OPENSSL_NO_PSK
PACKET psk_identity_hint;
if (!PACKET_get_length_prefixed_2(pkt, &psk_identity_hint)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
return 0;
}
if (PACKET_remaining(&psk_identity_hint) > PSK_MAX_IDENTITY_LEN) {
SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_R_DATA_LENGTH_TOO_LONG);
return 0;
}
if (PACKET_remaining(&psk_identity_hint) == 0) {
OPENSSL_free(s->session->psk_identity_hint);
s->session->psk_identity_hint = NULL;
} else if (!PACKET_strndup(&psk_identity_hint,
&s->session->psk_identity_hint)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
return 1;
#else
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
#endif
}
static int tls_process_ske_srp(SSL_CONNECTION *s, PACKET *pkt, EVP_PKEY **pkey)
{
#ifndef OPENSSL_NO_SRP
PACKET prime, generator, salt, server_pub;
if (!PACKET_get_length_prefixed_2(pkt, &prime)
|| !PACKET_get_length_prefixed_2(pkt, &generator)
|| !PACKET_get_length_prefixed_1(pkt, &salt)
|| !PACKET_get_length_prefixed_2(pkt, &server_pub)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
return 0;
}
if ((s->srp_ctx.N =
BN_bin2bn(PACKET_data(&prime),
(int)PACKET_remaining(&prime), NULL)) == NULL
|| (s->srp_ctx.g =
BN_bin2bn(PACKET_data(&generator),
(int)PACKET_remaining(&generator), NULL)) == NULL
|| (s->srp_ctx.s =
BN_bin2bn(PACKET_data(&salt),
(int)PACKET_remaining(&salt), NULL)) == NULL
|| (s->srp_ctx.B =
BN_bin2bn(PACKET_data(&server_pub),
(int)PACKET_remaining(&server_pub), NULL)) == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_BN_LIB);
return 0;
}
if (!srp_verify_server_param(s)) {
return 0;
}
if (s->s3.tmp.new_cipher->algorithm_auth & (SSL_aRSA | SSL_aDSS))
*pkey = tls_get_peer_pkey(s);
return 1;
#else
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
#endif
}
static int tls_process_ske_dhe(SSL_CONNECTION *s, PACKET *pkt, EVP_PKEY **pkey)
{
PACKET prime, generator, pub_key;
EVP_PKEY *peer_tmp = NULL;
BIGNUM *p = NULL, *g = NULL, *bnpub_key = NULL;
EVP_PKEY_CTX *pctx = NULL;
OSSL_PARAM *params = NULL;
OSSL_PARAM_BLD *tmpl = NULL;
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
int ret = 0;
if (!PACKET_get_length_prefixed_2(pkt, &prime)
|| !PACKET_get_length_prefixed_2(pkt, &generator)
|| !PACKET_get_length_prefixed_2(pkt, &pub_key)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
return 0;
}
p = BN_bin2bn(PACKET_data(&prime), (int)PACKET_remaining(&prime), NULL);
g = BN_bin2bn(PACKET_data(&generator), (int)PACKET_remaining(&generator),
NULL);
bnpub_key = BN_bin2bn(PACKET_data(&pub_key),
(int)PACKET_remaining(&pub_key), NULL);
if (p == NULL || g == NULL || bnpub_key == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_BN_LIB);
goto err;
}
tmpl = OSSL_PARAM_BLD_new();
if (tmpl == NULL
|| !OSSL_PARAM_BLD_push_BN(tmpl, OSSL_PKEY_PARAM_FFC_P, p)
|| !OSSL_PARAM_BLD_push_BN(tmpl, OSSL_PKEY_PARAM_FFC_G, g)
|| !OSSL_PARAM_BLD_push_BN(tmpl, OSSL_PKEY_PARAM_PUB_KEY,
bnpub_key)
|| (params = OSSL_PARAM_BLD_to_param(tmpl)) == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
pctx = EVP_PKEY_CTX_new_from_name(sctx->libctx, "DH", sctx->propq);
if (pctx == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
if (EVP_PKEY_fromdata_init(pctx) <= 0
|| EVP_PKEY_fromdata(pctx, &peer_tmp, EVP_PKEY_KEYPAIR, params) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_BAD_DH_VALUE);
goto err;
}
EVP_PKEY_CTX_free(pctx);
pctx = EVP_PKEY_CTX_new_from_pkey(sctx->libctx, peer_tmp, sctx->propq);
if (pctx == NULL
|| EVP_PKEY_param_check_quick(pctx) != 1
|| EVP_PKEY_public_check(pctx) != 1) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_BAD_DH_VALUE);
goto err;
}
if (!ssl_security(s, SSL_SECOP_TMP_DH,
EVP_PKEY_get_security_bits(peer_tmp),
0, peer_tmp)) {
SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_R_DH_KEY_TOO_SMALL);
goto err;
}
s->s3.peer_tmp = peer_tmp;
peer_tmp = NULL;
if (s->s3.tmp.new_cipher->algorithm_auth & (SSL_aRSA | SSL_aDSS))
*pkey = tls_get_peer_pkey(s);
ret = 1;
err:
OSSL_PARAM_BLD_free(tmpl);
OSSL_PARAM_free(params);
EVP_PKEY_free(peer_tmp);
EVP_PKEY_CTX_free(pctx);
BN_free(p);
BN_free(g);
BN_free(bnpub_key);
return ret;
}
static int tls_process_ske_ecdhe(SSL_CONNECTION *s, PACKET *pkt, EVP_PKEY **pkey)
{
PACKET encoded_pt;
unsigned int curve_type, curve_id;
if (!PACKET_get_1(pkt, &curve_type) || !PACKET_get_net_2(pkt, &curve_id)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_TOO_SHORT);
return 0;
}
if (curve_type != NAMED_CURVE_TYPE
|| !tls1_check_group_id(s, curve_id, 1)) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_WRONG_CURVE);
return 0;
}
if ((s->s3.peer_tmp = ssl_generate_param_group(s, curve_id)) == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR,
SSL_R_UNABLE_TO_FIND_ECDH_PARAMETERS);
return 0;
}
if (!PACKET_get_length_prefixed_1(pkt, &encoded_pt)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
return 0;
}
if (EVP_PKEY_set1_encoded_public_key(s->s3.peer_tmp,
PACKET_data(&encoded_pt),
PACKET_remaining(&encoded_pt)) <= 0) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_BAD_ECPOINT);
return 0;
}
if (s->s3.tmp.new_cipher->algorithm_auth & SSL_aECDSA)
*pkey = tls_get_peer_pkey(s);
else if (s->s3.tmp.new_cipher->algorithm_auth & SSL_aRSA)
*pkey = tls_get_peer_pkey(s);
s->session->kex_group = curve_id;
return 1;
}
MSG_PROCESS_RETURN tls_process_key_exchange(SSL_CONNECTION *s, PACKET *pkt)
{
long alg_k;
EVP_PKEY *pkey = NULL;
EVP_MD_CTX *md_ctx = NULL;
EVP_PKEY_CTX *pctx = NULL;
PACKET save_param_start, signature;
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
alg_k = s->s3.tmp.new_cipher->algorithm_mkey;
save_param_start = *pkt;
EVP_PKEY_free(s->s3.peer_tmp);
s->s3.peer_tmp = NULL;
if (alg_k & SSL_PSK) {
if (!tls_process_ske_psk_preamble(s, pkt)) {
goto err;
}
}
if (alg_k & (SSL_kPSK | SSL_kRSAPSK)) {
} else if (alg_k & SSL_kSRP) {
if (!tls_process_ske_srp(s, pkt, &pkey)) {
goto err;
}
} else if (alg_k & (SSL_kDHE | SSL_kDHEPSK)) {
if (!tls_process_ske_dhe(s, pkt, &pkey)) {
goto err;
}
} else if (alg_k & (SSL_kECDHE | SSL_kECDHEPSK)) {
if (!tls_process_ske_ecdhe(s, pkt, &pkey)) {
goto err;
}
} else if (alg_k) {
SSLfatal(s, SSL_AD_UNEXPECTED_MESSAGE, SSL_R_UNEXPECTED_MESSAGE);
goto err;
}
if (pkey != NULL) {
PACKET params;
const EVP_MD *md = NULL;
unsigned char *tbs;
size_t tbslen;
int rv;
if (!PACKET_get_sub_packet(&save_param_start, ¶ms,
PACKET_remaining(&save_param_start) -
PACKET_remaining(pkt))) {
SSLfatal(s, SSL_AD_DECODE_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
if (SSL_USE_SIGALGS(s)) {
unsigned int sigalg;
if (!PACKET_get_net_2(pkt, &sigalg)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_TOO_SHORT);
goto err;
}
if (tls12_check_peer_sigalg(s, sigalg, pkey) <=0) {
goto err;
}
} else if (!tls1_set_peer_legacy_sigalg(s, pkey)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR,
SSL_R_LEGACY_SIGALG_DISALLOWED_OR_UNSUPPORTED);
goto err;
}
if (!tls1_lookup_md(sctx, s->s3.tmp.peer_sigalg, &md)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR,
SSL_R_NO_SUITABLE_DIGEST_ALGORITHM);
goto err;
}
if (SSL_USE_SIGALGS(s))
OSSL_TRACE1(TLS, "USING TLSv1.2 HASH %s\n",
md == NULL ? "n/a" : EVP_MD_get0_name(md));
if (!PACKET_get_length_prefixed_2(pkt, &signature)
|| PACKET_remaining(pkt) != 0) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
goto err;
}
md_ctx = EVP_MD_CTX_new();
if (md_ctx == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB);
goto err;
}
if (EVP_DigestVerifyInit_ex(md_ctx, &pctx,
md == NULL ? NULL : EVP_MD_get0_name(md),
sctx->libctx, sctx->propq, pkey,
NULL) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB);
goto err;
}
if (SSL_USE_PSS(s)) {
if (EVP_PKEY_CTX_set_rsa_padding(pctx, RSA_PKCS1_PSS_PADDING) <= 0
|| EVP_PKEY_CTX_set_rsa_pss_saltlen(pctx,
RSA_PSS_SALTLEN_DIGEST) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB);
goto err;
}
}
tbslen = construct_key_exchange_tbs(s, &tbs, PACKET_data(¶ms),
PACKET_remaining(¶ms));
if (tbslen == 0) {
goto err;
}
rv = EVP_DigestVerify(md_ctx, PACKET_data(&signature),
PACKET_remaining(&signature), tbs, tbslen);
OPENSSL_free(tbs);
if (rv <= 0) {
SSLfatal(s, SSL_AD_DECRYPT_ERROR, SSL_R_BAD_SIGNATURE);
goto err;
}
EVP_MD_CTX_free(md_ctx);
md_ctx = NULL;
} else {
if (!(s->s3.tmp.new_cipher->algorithm_auth & (SSL_aNULL | SSL_aSRP))
&& !(alg_k & SSL_PSK)) {
if (ssl3_check_cert_and_algorithm(s)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_DATA);
}
goto err;
}
if (PACKET_remaining(pkt) != 0) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_EXTRA_DATA_IN_MESSAGE);
goto err;
}
}
return MSG_PROCESS_CONTINUE_READING;
err:
EVP_MD_CTX_free(md_ctx);
return MSG_PROCESS_ERROR;
}
MSG_PROCESS_RETURN tls_process_certificate_request(SSL_CONNECTION *s,
PACKET *pkt)
{
if (s->s3.tmp.valid_flags != NULL)
memset(s->s3.tmp.valid_flags, 0, s->ssl_pkey_num * sizeof(uint32_t));
else
s->s3.tmp.valid_flags = OPENSSL_zalloc(s->ssl_pkey_num * sizeof(uint32_t));
if (s->s3.tmp.valid_flags == NULL)
return 0;
if (SSL_CONNECTION_IS_TLS13(s)) {
PACKET reqctx, extensions;
RAW_EXTENSION *rawexts = NULL;
if ((s->shutdown & SSL_SENT_SHUTDOWN) != 0) {
return MSG_PROCESS_FINISHED_READING;
}
OPENSSL_free(s->s3.tmp.ctype);
s->s3.tmp.ctype = NULL;
s->s3.tmp.ctype_len = 0;
OPENSSL_free(s->pha_context);
s->pha_context = NULL;
s->pha_context_len = 0;
if (!PACKET_get_length_prefixed_1(pkt, &reqctx) ||
!PACKET_memdup(&reqctx, &s->pha_context, &s->pha_context_len)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
return MSG_PROCESS_ERROR;
}
if (!PACKET_get_length_prefixed_2(pkt, &extensions)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_LENGTH);
return MSG_PROCESS_ERROR;
}
if (!tls_collect_extensions(s, &extensions,
SSL_EXT_TLS1_3_CERTIFICATE_REQUEST,
&rawexts, NULL, 1)
|| !tls_parse_all_extensions(s, SSL_EXT_TLS1_3_CERTIFICATE_REQUEST,
rawexts, NULL, 0, 1)) {
OPENSSL_free(rawexts);
return MSG_PROCESS_ERROR;
}
OPENSSL_free(rawexts);
if (!tls1_process_sigalgs(s)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_BAD_LENGTH);
return MSG_PROCESS_ERROR;
}
} else {
PACKET ctypes;
if (!PACKET_get_length_prefixed_1(pkt, &ctypes)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
return MSG_PROCESS_ERROR;
}
if (!PACKET_memdup(&ctypes, &s->s3.tmp.ctype, &s->s3.tmp.ctype_len)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return MSG_PROCESS_ERROR;
}
if (SSL_USE_SIGALGS(s)) {
PACKET sigalgs;
if (!PACKET_get_length_prefixed_2(pkt, &sigalgs)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
return MSG_PROCESS_ERROR;
}
if (!tls1_save_sigalgs(s, &sigalgs, 0)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR,
SSL_R_SIGNATURE_ALGORITHMS_ERROR);
return MSG_PROCESS_ERROR;
}
if (!tls1_process_sigalgs(s)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_SSL_LIB);
return MSG_PROCESS_ERROR;
}
}
if (!parse_ca_names(s, pkt)) {
return MSG_PROCESS_ERROR;
}
}
if (PACKET_remaining(pkt) != 0) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
return MSG_PROCESS_ERROR;
}
s->s3.tmp.cert_req = 1;
if (SSL_CONNECTION_IS_TLS13(s)
&& s->post_handshake_auth != SSL_PHA_REQUESTED)
return MSG_PROCESS_CONTINUE_READING;
return MSG_PROCESS_CONTINUE_PROCESSING;
}
MSG_PROCESS_RETURN tls_process_new_session_ticket(SSL_CONNECTION *s,
PACKET *pkt)
{
unsigned int ticklen;
unsigned long ticket_lifetime_hint, age_add = 0;
unsigned int sess_len;
RAW_EXTENSION *exts = NULL;
PACKET nonce;
EVP_MD *sha256 = NULL;
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
PACKET_null_init(&nonce);
if (!PACKET_get_net_4(pkt, &ticket_lifetime_hint)
|| (SSL_CONNECTION_IS_TLS13(s)
&& (!PACKET_get_net_4(pkt, &age_add)
|| !PACKET_get_length_prefixed_1(pkt, &nonce)))
|| !PACKET_get_net_2(pkt, &ticklen)
|| (SSL_CONNECTION_IS_TLS13(s) ? (ticklen == 0
|| PACKET_remaining(pkt) < ticklen)
: PACKET_remaining(pkt) != ticklen)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
goto err;
}
if (ticklen == 0)
return MSG_PROCESS_CONTINUE_READING;
if (SSL_CONNECTION_IS_TLS13(s) || s->session->session_id_length > 0) {
SSL_SESSION *new_sess;
if ((new_sess = ssl_session_dup(s->session, 0)) == 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_SSL_LIB);
goto err;
}
if ((s->session_ctx->session_cache_mode & SSL_SESS_CACHE_CLIENT) != 0
&& !SSL_CONNECTION_IS_TLS13(s)) {
SSL_CTX_remove_session(s->session_ctx, s->session);
}
SSL_SESSION_free(s->session);
s->session = new_sess;
}
s->session->time = ossl_time_now();
ssl_session_calculate_timeout(s->session);
OPENSSL_free(s->session->ext.tick);
s->session->ext.tick = NULL;
s->session->ext.ticklen = 0;
s->session->ext.tick = OPENSSL_malloc(ticklen);
if (s->session->ext.tick == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CRYPTO_LIB);
goto err;
}
if (!PACKET_copy_bytes(pkt, s->session->ext.tick, ticklen)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
goto err;
}
s->session->ext.tick_lifetime_hint = ticket_lifetime_hint;
s->session->ext.tick_age_add = age_add;
s->session->ext.ticklen = ticklen;
if (SSL_CONNECTION_IS_TLS13(s)) {
PACKET extpkt;
if (!PACKET_as_length_prefixed_2(pkt, &extpkt)
|| PACKET_remaining(pkt) != 0) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
goto err;
}
if (!tls_collect_extensions(s, &extpkt,
SSL_EXT_TLS1_3_NEW_SESSION_TICKET, &exts,
NULL, 1)
|| !tls_parse_all_extensions(s,
SSL_EXT_TLS1_3_NEW_SESSION_TICKET,
exts, NULL, 0, 1)) {
goto err;
}
}
sha256 = EVP_MD_fetch(sctx->libctx, "SHA2-256", sctx->propq);
if (sha256 == NULL) {
SSLfatal_alert(s, SSL_AD_INTERNAL_ERROR);
goto err;
}
if (!EVP_Digest(s->session->ext.tick, ticklen,
s->session->session_id, &sess_len,
sha256, NULL)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB);
goto err;
}
EVP_MD_free(sha256);
sha256 = NULL;
s->session->session_id_length = sess_len;
s->session->not_resumable = 0;
if (SSL_CONNECTION_IS_TLS13(s)) {
const EVP_MD *md = ssl_handshake_md(s);
int hashleni = EVP_MD_get_size(md);
size_t hashlen;
static const unsigned char nonce_label[] = "resumption";
if (!ossl_assert(hashleni >= 0)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
hashlen = (size_t)hashleni;
if (!tls13_hkdf_expand(s, md, s->resumption_master_secret,
nonce_label,
sizeof(nonce_label) - 1,
PACKET_data(&nonce),
PACKET_remaining(&nonce),
s->session->master_key,
hashlen, 1)) {
goto err;
}
s->session->master_key_length = hashlen;
OPENSSL_free(exts);
ssl_update_cache(s, SSL_SESS_CACHE_CLIENT);
return MSG_PROCESS_FINISHED_READING;
}
return MSG_PROCESS_CONTINUE_READING;
err:
EVP_MD_free(sha256);
OPENSSL_free(exts);
return MSG_PROCESS_ERROR;
}
int tls_process_cert_status_body(SSL_CONNECTION *s, PACKET *pkt)
{
size_t resplen;
unsigned int type;
if (!PACKET_get_1(pkt, &type)
|| type != TLSEXT_STATUSTYPE_ocsp) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_UNSUPPORTED_STATUS_TYPE);
return 0;
}
if (!PACKET_get_net_3_len(pkt, &resplen)
|| PACKET_remaining(pkt) != resplen) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
return 0;
}
s->ext.ocsp.resp = OPENSSL_malloc(resplen);
if (s->ext.ocsp.resp == NULL) {
s->ext.ocsp.resp_len = 0;
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CRYPTO_LIB);
return 0;
}
s->ext.ocsp.resp_len = resplen;
if (!PACKET_copy_bytes(pkt, s->ext.ocsp.resp, resplen)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
return 0;
}
return 1;
}
MSG_PROCESS_RETURN tls_process_cert_status(SSL_CONNECTION *s, PACKET *pkt)
{
if (!tls_process_cert_status_body(s, pkt)) {
return MSG_PROCESS_ERROR;
}
return MSG_PROCESS_CONTINUE_READING;
}
int tls_process_initial_server_flight(SSL_CONNECTION *s)
{
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
if (!ssl3_check_cert_and_algorithm(s)) {
return 0;
}
if (s->ext.status_type != TLSEXT_STATUSTYPE_nothing
&& sctx->ext.status_cb != NULL) {
int ret = sctx->ext.status_cb(SSL_CONNECTION_GET_SSL(s),
sctx->ext.status_arg);
if (ret == 0) {
SSLfatal(s, SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE,
SSL_R_INVALID_STATUS_RESPONSE);
return 0;
}
if (ret < 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR,
SSL_R_OCSP_CALLBACK_FAILURE);
return 0;
}
}
#ifndef OPENSSL_NO_CT
if (s->ct_validation_callback != NULL) {
if (!ssl_validate_ct(s) && (s->verify_mode & SSL_VERIFY_PEER)) {
return 0;
}
}
#endif
return 1;
}
MSG_PROCESS_RETURN tls_process_server_done(SSL_CONNECTION *s, PACKET *pkt)
{
if (PACKET_remaining(pkt) > 0) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
return MSG_PROCESS_ERROR;
}
#ifndef OPENSSL_NO_SRP
if (s->s3.tmp.new_cipher->algorithm_mkey & SSL_kSRP) {
if (ssl_srp_calc_a_param_intern(s) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_SRP_A_CALC);
return MSG_PROCESS_ERROR;
}
}
#endif
if (!tls_process_initial_server_flight(s)) {
return MSG_PROCESS_ERROR;
}
return MSG_PROCESS_FINISHED_READING;
}
static int tls_construct_cke_psk_preamble(SSL_CONNECTION *s, WPACKET *pkt)
{
#ifndef OPENSSL_NO_PSK
int ret = 0;
char identity[PSK_MAX_IDENTITY_LEN + 1];
size_t identitylen = 0;
unsigned char psk[PSK_MAX_PSK_LEN];
unsigned char *tmppsk = NULL;
char *tmpidentity = NULL;
size_t psklen = 0;
if (s->psk_client_callback == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_PSK_NO_CLIENT_CB);
goto err;
}
memset(identity, 0, sizeof(identity));
psklen = s->psk_client_callback(SSL_CONNECTION_GET_SSL(s),
s->session->psk_identity_hint,
identity, sizeof(identity) - 1,
psk, sizeof(psk));
if (psklen > PSK_MAX_PSK_LEN) {
SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, ERR_R_INTERNAL_ERROR);
psklen = PSK_MAX_PSK_LEN;
goto err;
} else if (psklen == 0) {
SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_R_PSK_IDENTITY_NOT_FOUND);
goto err;
}
identitylen = strlen(identity);
if (identitylen > PSK_MAX_IDENTITY_LEN) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
tmppsk = OPENSSL_memdup(psk, psklen);
tmpidentity = OPENSSL_strdup(identity);
if (tmppsk == NULL || tmpidentity == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CRYPTO_LIB);
goto err;
}
OPENSSL_free(s->s3.tmp.psk);
s->s3.tmp.psk = tmppsk;
s->s3.tmp.psklen = psklen;
tmppsk = NULL;
OPENSSL_free(s->session->psk_identity);
s->session->psk_identity = tmpidentity;
tmpidentity = NULL;
if (!WPACKET_sub_memcpy_u16(pkt, identity, identitylen)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
ret = 1;
err:
OPENSSL_cleanse(psk, psklen);
OPENSSL_cleanse(identity, sizeof(identity));
OPENSSL_clear_free(tmppsk, psklen);
OPENSSL_clear_free(tmpidentity, identitylen);
return ret;
#else
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
#endif
}
static int tls_construct_cke_rsa(SSL_CONNECTION *s, WPACKET *pkt)
{
unsigned char *encdata = NULL;
EVP_PKEY *pkey = NULL;
EVP_PKEY_CTX *pctx = NULL;
size_t enclen;
unsigned char *pms = NULL;
size_t pmslen = 0;
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
if (!received_server_cert(s)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
if ((pkey = tls_get_peer_pkey(s)) == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
if (!EVP_PKEY_is_a(pkey, "RSA")) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
pmslen = SSL_MAX_MASTER_KEY_LENGTH;
pms = OPENSSL_malloc(pmslen);
if (pms == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CRYPTO_LIB);
return 0;
}
pms[0] = s->client_version >> 8;
pms[1] = s->client_version & 0xff;
if (RAND_bytes_ex(sctx->libctx, pms + 2, pmslen - 2, 0) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_RAND_LIB);
goto err;
}
if (s->version > SSL3_VERSION && !WPACKET_start_sub_packet_u16(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
pctx = EVP_PKEY_CTX_new_from_pkey(sctx->libctx, pkey, sctx->propq);
if (pctx == NULL || EVP_PKEY_encrypt_init(pctx) <= 0
|| EVP_PKEY_encrypt(pctx, NULL, &enclen, pms, pmslen) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB);
goto err;
}
if (!WPACKET_allocate_bytes(pkt, enclen, &encdata)
|| EVP_PKEY_encrypt(pctx, encdata, &enclen, pms, pmslen) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_BAD_RSA_ENCRYPT);
goto err;
}
EVP_PKEY_CTX_free(pctx);
pctx = NULL;
if (s->version > SSL3_VERSION && !WPACKET_close(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
if (!ssl_log_rsa_client_key_exchange(s, encdata, enclen, pms, pmslen)) {
goto err;
}
s->s3.tmp.pms = pms;
s->s3.tmp.pmslen = pmslen;
return 1;
err:
OPENSSL_clear_free(pms, pmslen);
EVP_PKEY_CTX_free(pctx);
return 0;
}
static int tls_construct_cke_dhe(SSL_CONNECTION *s, WPACKET *pkt)
{
EVP_PKEY *ckey = NULL, *skey = NULL;
unsigned char *keybytes = NULL;
int prime_len;
unsigned char *encoded_pub = NULL;
size_t encoded_pub_len, pad_len;
int ret = 0;
skey = s->s3.peer_tmp;
if (skey == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
ckey = ssl_generate_pkey(s, skey);
if (ckey == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
if (ssl_derive(s, ckey, skey, 0) == 0) {
goto err;
}
encoded_pub_len = EVP_PKEY_get1_encoded_public_key(ckey, &encoded_pub);
if (encoded_pub_len == 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
EVP_PKEY_free(ckey);
return EXT_RETURN_FAIL;
}
prime_len = EVP_PKEY_get_size(ckey);
pad_len = prime_len - encoded_pub_len;
if (pad_len > 0) {
if (!WPACKET_sub_allocate_bytes_u16(pkt, pad_len, &keybytes)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
memset(keybytes, 0, pad_len);
}
if (!WPACKET_sub_memcpy_u16(pkt, encoded_pub, encoded_pub_len)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
ret = 1;
err:
OPENSSL_free(encoded_pub);
EVP_PKEY_free(ckey);
return ret;
}
static int tls_construct_cke_ecdhe(SSL_CONNECTION *s, WPACKET *pkt)
{
unsigned char *encodedPoint = NULL;
size_t encoded_pt_len = 0;
EVP_PKEY *ckey = NULL, *skey = NULL;
int ret = 0;
skey = s->s3.peer_tmp;
if (skey == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
ckey = ssl_generate_pkey(s, skey);
if (ckey == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_SSL_LIB);
goto err;
}
if (ssl_derive(s, ckey, skey, 0) == 0) {
goto err;
}
encoded_pt_len = EVP_PKEY_get1_encoded_public_key(ckey, &encodedPoint);
if (encoded_pt_len == 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EC_LIB);
goto err;
}
if (!WPACKET_sub_memcpy_u8(pkt, encodedPoint, encoded_pt_len)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
ret = 1;
err:
OPENSSL_free(encodedPoint);
EVP_PKEY_free(ckey);
return ret;
}
static int tls_construct_cke_gost(SSL_CONNECTION *s, WPACKET *pkt)
{
#ifndef OPENSSL_NO_GOST
EVP_PKEY_CTX *pkey_ctx = NULL;
EVP_PKEY *pkey = NULL;
size_t msglen;
unsigned int md_len;
unsigned char shared_ukm[32], tmp[256];
EVP_MD_CTX *ukm_hash = NULL;
int dgst_nid = NID_id_GostR3411_94;
unsigned char *pms = NULL;
size_t pmslen = 0;
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
if ((s->s3.tmp.new_cipher->algorithm_auth & SSL_aGOST12) != 0)
dgst_nid = NID_id_GostR3411_2012_256;
if ((pkey = tls_get_peer_pkey(s)) == NULL) {
SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE,
SSL_R_NO_GOST_CERTIFICATE_SENT_BY_PEER);
return 0;
}
pkey_ctx = EVP_PKEY_CTX_new_from_pkey(sctx->libctx,
pkey,
sctx->propq);
if (pkey_ctx == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB);
return 0;
}
pmslen = 32;
pms = OPENSSL_malloc(pmslen);
if (pms == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CRYPTO_LIB);
goto err;
}
if (EVP_PKEY_encrypt_init(pkey_ctx) <= 0
|| RAND_bytes_ex(sctx->libctx, pms, pmslen, 0) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
};
ukm_hash = EVP_MD_CTX_new();
if (ukm_hash == NULL
|| EVP_DigestInit(ukm_hash, EVP_get_digestbynid(dgst_nid)) <= 0
|| EVP_DigestUpdate(ukm_hash, s->s3.client_random,
SSL3_RANDOM_SIZE) <= 0
|| EVP_DigestUpdate(ukm_hash, s->s3.server_random,
SSL3_RANDOM_SIZE) <= 0
|| EVP_DigestFinal_ex(ukm_hash, shared_ukm, &md_len) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
EVP_MD_CTX_free(ukm_hash);
ukm_hash = NULL;
if (EVP_PKEY_CTX_ctrl(pkey_ctx, -1, EVP_PKEY_OP_ENCRYPT,
EVP_PKEY_CTRL_SET_IV, 8, shared_ukm) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_LIBRARY_BUG);
goto err;
}
msglen = 255;
if (EVP_PKEY_encrypt(pkey_ctx, tmp, &msglen, pms, pmslen) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_LIBRARY_BUG);
goto err;
}
if (!WPACKET_put_bytes_u8(pkt, V_ASN1_SEQUENCE | V_ASN1_CONSTRUCTED)
|| (msglen >= 0x80 && !WPACKET_put_bytes_u8(pkt, 0x81))
|| !WPACKET_sub_memcpy_u8(pkt, tmp, msglen)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
EVP_PKEY_CTX_free(pkey_ctx);
s->s3.tmp.pms = pms;
s->s3.tmp.pmslen = pmslen;
return 1;
err:
EVP_PKEY_CTX_free(pkey_ctx);
OPENSSL_clear_free(pms, pmslen);
EVP_MD_CTX_free(ukm_hash);
return 0;
#else
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
#endif
}
#ifndef OPENSSL_NO_GOST
int ossl_gost18_cke_cipher_nid(const SSL_CONNECTION *s)
{
if ((s->s3.tmp.new_cipher->algorithm_enc & SSL_MAGMA) != 0)
return NID_magma_ctr;
else if ((s->s3.tmp.new_cipher->algorithm_enc & SSL_KUZNYECHIK) != 0)
return NID_kuznyechik_ctr;
return NID_undef;
}
int ossl_gost_ukm(const SSL_CONNECTION *s, unsigned char *dgst_buf)
{
EVP_MD_CTX *hash = NULL;
unsigned int md_len;
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
const EVP_MD *md = ssl_evp_md_fetch(sctx->libctx, NID_id_GostR3411_2012_256,
sctx->propq);
if (md == NULL)
return 0;
if ((hash = EVP_MD_CTX_new()) == NULL
|| EVP_DigestInit(hash, md) <= 0
|| EVP_DigestUpdate(hash, s->s3.client_random, SSL3_RANDOM_SIZE) <= 0
|| EVP_DigestUpdate(hash, s->s3.server_random, SSL3_RANDOM_SIZE) <= 0
|| EVP_DigestFinal_ex(hash, dgst_buf, &md_len) <= 0) {
EVP_MD_CTX_free(hash);
ssl_evp_md_free(md);
return 0;
}
EVP_MD_CTX_free(hash);
ssl_evp_md_free(md);
return 1;
}
#endif
static int tls_construct_cke_gost18(SSL_CONNECTION *s, WPACKET *pkt)
{
#ifndef OPENSSL_NO_GOST
unsigned char rnd_dgst[32];
unsigned char *encdata = NULL;
EVP_PKEY_CTX *pkey_ctx = NULL;
EVP_PKEY *pkey;
unsigned char *pms = NULL;
size_t pmslen = 0;
size_t msglen;
int cipher_nid = ossl_gost18_cke_cipher_nid(s);
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
if (cipher_nid == NID_undef) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
if (ossl_gost_ukm(s, rnd_dgst) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
pmslen = 32;
pms = OPENSSL_malloc(pmslen);
if (pms == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CRYPTO_LIB);
goto err;
}
if (RAND_bytes_ex(sctx->libctx, pms, pmslen, 0) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
if ((pkey = tls_get_peer_pkey(s)) == NULL) {
SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE,
SSL_R_NO_GOST_CERTIFICATE_SENT_BY_PEER);
goto err;
}
pkey_ctx = EVP_PKEY_CTX_new_from_pkey(sctx->libctx,
pkey,
sctx->propq);
if (pkey_ctx == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB);
goto err;
}
if (EVP_PKEY_encrypt_init(pkey_ctx) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
};
if (EVP_PKEY_CTX_ctrl(pkey_ctx, -1, EVP_PKEY_OP_ENCRYPT,
EVP_PKEY_CTRL_SET_IV, 32, rnd_dgst) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_LIBRARY_BUG);
goto err;
}
if (EVP_PKEY_CTX_ctrl(pkey_ctx, -1, EVP_PKEY_OP_ENCRYPT,
EVP_PKEY_CTRL_CIPHER, cipher_nid, NULL) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_LIBRARY_BUG);
goto err;
}
if (EVP_PKEY_encrypt(pkey_ctx, NULL, &msglen, pms, pmslen) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB);
goto err;
}
if (!WPACKET_allocate_bytes(pkt, msglen, &encdata)
|| EVP_PKEY_encrypt(pkey_ctx, encdata, &msglen, pms, pmslen) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB);
goto err;
}
EVP_PKEY_CTX_free(pkey_ctx);
pkey_ctx = NULL;
s->s3.tmp.pms = pms;
s->s3.tmp.pmslen = pmslen;
return 1;
err:
EVP_PKEY_CTX_free(pkey_ctx);
OPENSSL_clear_free(pms, pmslen);
return 0;
#else
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
#endif
}
static int tls_construct_cke_srp(SSL_CONNECTION *s, WPACKET *pkt)
{
#ifndef OPENSSL_NO_SRP
unsigned char *abytes = NULL;
if (s->srp_ctx.A == NULL
|| !WPACKET_sub_allocate_bytes_u16(pkt, BN_num_bytes(s->srp_ctx.A),
&abytes)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
BN_bn2bin(s->srp_ctx.A, abytes);
OPENSSL_free(s->session->srp_username);
s->session->srp_username = OPENSSL_strdup(s->srp_ctx.login);
if (s->session->srp_username == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CRYPTO_LIB);
return 0;
}
return 1;
#else
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
#endif
}
CON_FUNC_RETURN tls_construct_client_key_exchange(SSL_CONNECTION *s,
WPACKET *pkt)
{
unsigned long alg_k;
alg_k = s->s3.tmp.new_cipher->algorithm_mkey;
if ((alg_k & SSL_PSK)
&& !tls_construct_cke_psk_preamble(s, pkt))
goto err;
if (alg_k & (SSL_kRSA | SSL_kRSAPSK)) {
if (!tls_construct_cke_rsa(s, pkt))
goto err;
} else if (alg_k & (SSL_kDHE | SSL_kDHEPSK)) {
if (!tls_construct_cke_dhe(s, pkt))
goto err;
} else if (alg_k & (SSL_kECDHE | SSL_kECDHEPSK)) {
if (!tls_construct_cke_ecdhe(s, pkt))
goto err;
} else if (alg_k & SSL_kGOST) {
if (!tls_construct_cke_gost(s, pkt))
goto err;
} else if (alg_k & SSL_kGOST18) {
if (!tls_construct_cke_gost18(s, pkt))
goto err;
} else if (alg_k & SSL_kSRP) {
if (!tls_construct_cke_srp(s, pkt))
goto err;
} else if (!(alg_k & SSL_kPSK)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
return CON_FUNC_SUCCESS;
err:
OPENSSL_clear_free(s->s3.tmp.pms, s->s3.tmp.pmslen);
s->s3.tmp.pms = NULL;
s->s3.tmp.pmslen = 0;
#ifndef OPENSSL_NO_PSK
OPENSSL_clear_free(s->s3.tmp.psk, s->s3.tmp.psklen);
s->s3.tmp.psk = NULL;
s->s3.tmp.psklen = 0;
#endif
return CON_FUNC_ERROR;
}
int tls_client_key_exchange_post_work(SSL_CONNECTION *s)
{
unsigned char *pms = NULL;
size_t pmslen = 0;
pms = s->s3.tmp.pms;
pmslen = s->s3.tmp.pmslen;
#ifndef OPENSSL_NO_SRP
if (s->s3.tmp.new_cipher->algorithm_mkey & SSL_kSRP) {
if (!srp_generate_client_master_secret(s)) {
goto err;
}
return 1;
}
#endif
if (pms == NULL && !(s->s3.tmp.new_cipher->algorithm_mkey & SSL_kPSK)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_PASSED_INVALID_ARGUMENT);
goto err;
}
if (!ssl_generate_master_secret(s, pms, pmslen, 1)) {
pms = NULL;
pmslen = 0;
goto err;
}
pms = NULL;
pmslen = 0;
#ifndef OPENSSL_NO_SCTP
if (SSL_CONNECTION_IS_DTLS(s)) {
unsigned char sctpauthkey[64];
char labelbuffer[sizeof(DTLS1_SCTP_AUTH_LABEL)];
size_t labellen;
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
memcpy(labelbuffer, DTLS1_SCTP_AUTH_LABEL,
sizeof(DTLS1_SCTP_AUTH_LABEL));
labellen = sizeof(labelbuffer) - 1;
if (s->mode & SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG)
labellen += 1;
if (SSL_export_keying_material(ssl, sctpauthkey,
sizeof(sctpauthkey), labelbuffer,
labellen, NULL, 0, 0) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
BIO_ctrl(SSL_get_wbio(ssl), BIO_CTRL_DGRAM_SCTP_ADD_AUTH_KEY,
sizeof(sctpauthkey), sctpauthkey);
}
#endif
return 1;
err:
OPENSSL_clear_free(pms, pmslen);
s->s3.tmp.pms = NULL;
s->s3.tmp.pmslen = 0;
return 0;
}
static int ssl3_check_client_certificate(SSL_CONNECTION *s)
{
if (!tls_choose_sigalg(s, 0) || s->s3.tmp.sigalg == NULL)
return 0;
if (s->cert->cert_flags & SSL_CERT_FLAGS_CHECK_TLS_STRICT &&
!tls1_check_chain(s, NULL, NULL, NULL, -2))
return 0;
return 1;
}
WORK_STATE tls_prepare_client_certificate(SSL_CONNECTION *s, WORK_STATE wst)
{
X509 *x509 = NULL;
EVP_PKEY *pkey = NULL;
int i;
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
if (wst == WORK_MORE_A) {
if (s->cert->cert_cb) {
i = s->cert->cert_cb(ssl, s->cert->cert_cb_arg);
if (i < 0) {
s->rwstate = SSL_X509_LOOKUP;
return WORK_MORE_A;
}
if (i == 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_CALLBACK_FAILED);
return WORK_ERROR;
}
s->rwstate = SSL_NOTHING;
}
if (ssl3_check_client_certificate(s)) {
if (s->post_handshake_auth == SSL_PHA_REQUESTED) {
return WORK_FINISHED_STOP;
}
return WORK_FINISHED_CONTINUE;
}
wst = WORK_MORE_B;
}
if (wst == WORK_MORE_B) {
i = ssl_do_client_cert_cb(s, &x509, &pkey);
if (i < 0) {
s->rwstate = SSL_X509_LOOKUP;
return WORK_MORE_B;
}
s->rwstate = SSL_NOTHING;
if ((i == 1) && (pkey != NULL) && (x509 != NULL)) {
if (!SSL_use_certificate(ssl, x509)
|| !SSL_use_PrivateKey(ssl, pkey))
i = 0;
} else if (i == 1) {
i = 0;
ERR_raise(ERR_LIB_SSL, SSL_R_BAD_DATA_RETURNED_BY_CALLBACK);
}
X509_free(x509);
EVP_PKEY_free(pkey);
if (i && !ssl3_check_client_certificate(s))
i = 0;
if (i == 0) {
if (s->version == SSL3_VERSION) {
s->s3.tmp.cert_req = 0;
ssl3_send_alert(s, SSL3_AL_WARNING, SSL_AD_NO_CERTIFICATE);
return WORK_FINISHED_CONTINUE;
} else {
s->s3.tmp.cert_req = 2;
s->ext.compress_certificate_from_peer[0] = TLSEXT_comp_cert_none;
if (!ssl3_digest_cached_records(s, 0)) {
return WORK_ERROR;
}
}
}
if (!SSL_CONNECTION_IS_TLS13(s)
|| (s->options & SSL_OP_NO_TX_CERTIFICATE_COMPRESSION) != 0)
s->ext.compress_certificate_from_peer[0] = TLSEXT_comp_cert_none;
if (s->post_handshake_auth == SSL_PHA_REQUESTED)
return WORK_FINISHED_STOP;
return WORK_FINISHED_CONTINUE;
}
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return WORK_ERROR;
}
CON_FUNC_RETURN tls_construct_client_certificate(SSL_CONNECTION *s,
WPACKET *pkt)
{
CERT_PKEY *cpk = NULL;
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
if (SSL_CONNECTION_IS_TLS13(s)) {
if (s->pha_context == NULL) {
if (!WPACKET_put_bytes_u8(pkt, 0)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return CON_FUNC_ERROR;
}
} else if (!WPACKET_sub_memcpy_u8(pkt, s->pha_context, s->pha_context_len)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return CON_FUNC_ERROR;
}
}
if (s->s3.tmp.cert_req != 2)
cpk = s->cert->key;
switch (s->ext.client_cert_type) {
case TLSEXT_cert_type_rpk:
if (!tls_output_rpk(s, pkt, cpk)) {
return CON_FUNC_ERROR;
}
break;
case TLSEXT_cert_type_x509:
if (!ssl3_output_cert_chain(s, pkt, cpk, 0)) {
return CON_FUNC_ERROR;
}
break;
default:
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return CON_FUNC_ERROR;
}
if (SSL_CONNECTION_IS_TLS13(s)
&& SSL_IS_FIRST_HANDSHAKE(s)
&& (s->early_data_state != SSL_EARLY_DATA_NONE
|| (s->options & SSL_OP_ENABLE_MIDDLEBOX_COMPAT) != 0)
&& (!ssl->method->ssl3_enc->change_cipher_state(s,
SSL3_CC_HANDSHAKE | SSL3_CHANGE_CIPHER_CLIENT_WRITE))) {
SSLfatal(s, SSL_AD_NO_ALERT, SSL_R_CANNOT_CHANGE_CIPHER);
return CON_FUNC_ERROR;
}
return CON_FUNC_SUCCESS;
}
#ifndef OPENSSL_NO_COMP_ALG
CON_FUNC_RETURN tls_construct_client_compressed_certificate(SSL_CONNECTION *sc,
WPACKET *pkt)
{
SSL *ssl = SSL_CONNECTION_GET_SSL(sc);
WPACKET tmppkt;
BUF_MEM *buf = NULL;
size_t length;
size_t max_length;
COMP_METHOD *method;
COMP_CTX *comp = NULL;
int comp_len;
int ret = 0;
int alg = sc->ext.compress_certificate_from_peer[0];
if ((buf = BUF_MEM_new()) == NULL || !WPACKET_init(&tmppkt, buf))
goto err;
if (sc->pha_context == NULL) {
if (!WPACKET_put_bytes_u8(&tmppkt, 0))
goto err;
} else if (!WPACKET_sub_memcpy_u8(&tmppkt, sc->pha_context, sc->pha_context_len))
goto err;
if (!ssl3_output_cert_chain(sc, &tmppkt, sc->cert->key, 0)) {
goto out;
}
if (!WPACKET_put_bytes_u16(pkt, alg)
|| !WPACKET_get_total_written(&tmppkt, &length)
|| !WPACKET_put_bytes_u24(pkt, length))
goto err;
switch (alg) {
case TLSEXT_comp_cert_zlib:
method = COMP_zlib_oneshot();
break;
case TLSEXT_comp_cert_brotli:
method = COMP_brotli_oneshot();
break;
case TLSEXT_comp_cert_zstd:
method = COMP_zstd_oneshot();
break;
default:
goto err;
}
max_length = ossl_calculate_comp_expansion(alg, length);
if ((comp = COMP_CTX_new(method)) == NULL
|| !WPACKET_start_sub_packet_u24(pkt)
|| !WPACKET_reserve_bytes(pkt, max_length, NULL))
goto err;
comp_len = COMP_compress_block(comp, WPACKET_get_curr(pkt), max_length,
(unsigned char *)buf->data, length);
if (comp_len <= 0)
goto err;
if (!WPACKET_allocate_bytes(pkt, comp_len, NULL)
|| !WPACKET_close(pkt))
goto err;
if (SSL_IS_FIRST_HANDSHAKE(sc)
&& (sc->early_data_state != SSL_EARLY_DATA_NONE
|| (sc->options & SSL_OP_ENABLE_MIDDLEBOX_COMPAT) != 0)
&& (!ssl->method->ssl3_enc->change_cipher_state(sc,
SSL3_CC_HANDSHAKE | SSL3_CHANGE_CIPHER_CLIENT_WRITE))) {
SSLfatal(sc, SSL_AD_NO_ALERT, SSL_R_CANNOT_CHANGE_CIPHER);
goto out;
}
ret = 1;
goto out;
err:
SSLfatal(sc, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
out:
if (buf != NULL) {
WPACKET_cleanup(&tmppkt);
}
BUF_MEM_free(buf);
COMP_CTX_free(comp);
return ret;
}
#endif
int ssl3_check_cert_and_algorithm(SSL_CONNECTION *s)
{
const SSL_CERT_LOOKUP *clu;
size_t idx;
long alg_k, alg_a;
EVP_PKEY *pkey;
alg_k = s->s3.tmp.new_cipher->algorithm_mkey;
alg_a = s->s3.tmp.new_cipher->algorithm_auth;
if (!(alg_a & SSL_aCERT))
return 1;
pkey = tls_get_peer_pkey(s);
clu = ssl_cert_lookup_by_pkey(pkey, &idx, SSL_CONNECTION_GET_CTX(s));
if (clu == NULL || (alg_a & clu->amask) == 0) {
SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_R_MISSING_SIGNING_CERT);
return 0;
}
if (alg_k & (SSL_kRSA | SSL_kRSAPSK) && idx != SSL_PKEY_RSA) {
SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE,
SSL_R_MISSING_RSA_ENCRYPTING_CERT);
return 0;
}
if ((alg_k & SSL_kDHE) && (s->s3.peer_tmp == NULL)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
if (s->session->peer_rpk != NULL)
return 1;
if (clu->amask & SSL_aECDSA) {
if (ssl_check_srvr_ecc_cert_and_alg(s->session->peer, s))
return 1;
SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_R_BAD_ECC_CERT);
return 0;
}
return 1;
}
#ifndef OPENSSL_NO_NEXTPROTONEG
CON_FUNC_RETURN tls_construct_next_proto(SSL_CONNECTION *s, WPACKET *pkt)
{
size_t len, padding_len;
unsigned char *padding = NULL;
len = s->ext.npn_len;
padding_len = 32 - ((len + 2) % 32);
if (!WPACKET_sub_memcpy_u8(pkt, s->ext.npn, len)
|| !WPACKET_sub_allocate_bytes_u8(pkt, padding_len, &padding)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return CON_FUNC_ERROR;
}
memset(padding, 0, padding_len);
return CON_FUNC_SUCCESS;
}
#endif
MSG_PROCESS_RETURN tls_process_hello_req(SSL_CONNECTION *s, PACKET *pkt)
{
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
if (PACKET_remaining(pkt) > 0) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
return MSG_PROCESS_ERROR;
}
if ((s->options & SSL_OP_NO_RENEGOTIATION)) {
ssl3_send_alert(s, SSL3_AL_WARNING, SSL_AD_NO_RENEGOTIATION);
return MSG_PROCESS_FINISHED_READING;
}
if (SSL_CONNECTION_IS_DTLS(s))
SSL_renegotiate(ssl);
else
SSL_renegotiate_abbreviated(ssl);
return MSG_PROCESS_FINISHED_READING;
}
static MSG_PROCESS_RETURN tls_process_encrypted_extensions(SSL_CONNECTION *s,
PACKET *pkt)
{
PACKET extensions;
RAW_EXTENSION *rawexts = NULL;
if (!PACKET_as_length_prefixed_2(pkt, &extensions)
|| PACKET_remaining(pkt) != 0) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
goto err;
}
if (!tls_collect_extensions(s, &extensions,
SSL_EXT_TLS1_3_ENCRYPTED_EXTENSIONS, &rawexts,
NULL, 1)
|| !tls_parse_all_extensions(s, SSL_EXT_TLS1_3_ENCRYPTED_EXTENSIONS,
rawexts, NULL, 0, 1)) {
goto err;
}
OPENSSL_free(rawexts);
return MSG_PROCESS_CONTINUE_READING;
err:
OPENSSL_free(rawexts);
return MSG_PROCESS_ERROR;
}
int ssl_do_client_cert_cb(SSL_CONNECTION *s, X509 **px509, EVP_PKEY **ppkey)
{
int i = 0;
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
#ifndef OPENSSL_NO_ENGINE
if (sctx->client_cert_engine) {
i = tls_engine_load_ssl_client_cert(s, px509, ppkey);
if (i != 0)
return i;
}
#endif
if (sctx->client_cert_cb)
i = sctx->client_cert_cb(SSL_CONNECTION_GET_SSL(s), px509, ppkey);
return i;
}
int ssl_cipher_list_to_bytes(SSL_CONNECTION *s, STACK_OF(SSL_CIPHER) *sk,
WPACKET *pkt)
{
int i;
size_t totlen = 0, len, maxlen, maxverok = 0;
int empty_reneg_info_scsv = !s->renegotiate
&& (SSL_CONNECTION_IS_DTLS(s)
|| s->min_proto_version < TLS1_3_VERSION);
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
if (!ssl_set_client_disabled(s)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_NO_PROTOCOLS_AVAILABLE);
return 0;
}
if (sk == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
#ifdef OPENSSL_MAX_TLS1_2_CIPHER_LENGTH
# if OPENSSL_MAX_TLS1_2_CIPHER_LENGTH < 6
# error Max cipher length too short
# endif
if (TLS1_get_version(ssl) >= TLS1_2_VERSION)
maxlen = OPENSSL_MAX_TLS1_2_CIPHER_LENGTH & ~1;
else
#endif
maxlen = 0xfffe;
if (empty_reneg_info_scsv)
maxlen -= 2;
if (s->mode & SSL_MODE_SEND_FALLBACK_SCSV)
maxlen -= 2;
for (i = 0; i < sk_SSL_CIPHER_num(sk) && totlen < maxlen; i++) {
const SSL_CIPHER *c;
c = sk_SSL_CIPHER_value(sk, i);
if (ssl_cipher_disabled(s, c, SSL_SECOP_CIPHER_SUPPORTED, 0))
continue;
if (!ssl->method->put_cipher_by_char(c, pkt, &len)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
if (!maxverok) {
int minproto = SSL_CONNECTION_IS_DTLS(s) ? c->min_dtls : c->min_tls;
int maxproto = SSL_CONNECTION_IS_DTLS(s) ? c->max_dtls : c->max_tls;
if (ssl_version_cmp(s, maxproto, s->s3.tmp.max_ver) >= 0
&& ssl_version_cmp(s, minproto, s->s3.tmp.max_ver) <= 0)
maxverok = 1;
}
totlen += len;
}
if (totlen == 0 || !maxverok) {
const char *maxvertext =
!maxverok
? "No ciphers enabled for max supported SSL/TLS version"
: NULL;
SSLfatal_data(s, SSL_AD_INTERNAL_ERROR, SSL_R_NO_CIPHERS_AVAILABLE,
maxvertext);
return 0;
}
if (totlen != 0) {
if (empty_reneg_info_scsv) {
static const SSL_CIPHER scsv = {
0, NULL, NULL, SSL3_CK_SCSV, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
if (!ssl->method->put_cipher_by_char(&scsv, pkt, &len)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
}
if (s->mode & SSL_MODE_SEND_FALLBACK_SCSV) {
static const SSL_CIPHER scsv = {
0, NULL, NULL, SSL3_CK_FALLBACK_SCSV, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
if (!ssl->method->put_cipher_by_char(&scsv, pkt, &len)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
}
}
return 1;
}
CON_FUNC_RETURN tls_construct_end_of_early_data(SSL_CONNECTION *s, WPACKET *pkt)
{
if (s->early_data_state != SSL_EARLY_DATA_WRITE_RETRY
&& s->early_data_state != SSL_EARLY_DATA_FINISHED_WRITING) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
return CON_FUNC_ERROR;
}
s->early_data_state = SSL_EARLY_DATA_FINISHED_WRITING;
return CON_FUNC_SUCCESS;
}
| statem | openssl/ssl/statem/statem_clnt.c | openssl |
#include <openssl/ocsp.h>
#include "../ssl_local.h"
#include "statem_local.h"
#include "internal/cryptlib.h"
#define COOKIE_STATE_FORMAT_VERSION 1
#define MAX_COOKIE_SIZE (2 + 2 + 2 + 2 + 2 + 1 + 8 + 2 + EVP_MAX_MD_SIZE + 1 \
+ SSL_COOKIE_LENGTH + SHA256_DIGEST_LENGTH)
#define MAX_HRR_SIZE (SSL3_HM_HEADER_LENGTH + 2 + SSL3_RANDOM_SIZE + 1 \
+ SSL_MAX_SSL_SESSION_ID_LENGTH + 2 + 1 + 2 + 6 + 4 \
+ MAX_COOKIE_SIZE)
int tls_parse_ctos_renegotiate(SSL_CONNECTION *s, PACKET *pkt,
unsigned int context,
X509 *x, size_t chainidx)
{
unsigned int ilen;
const unsigned char *data;
int ok;
if (!PACKET_get_1(pkt, &ilen)
|| !PACKET_get_bytes(pkt, &data, ilen)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_RENEGOTIATION_ENCODING_ERR);
return 0;
}
if (ilen != s->s3.previous_client_finished_len) {
SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_R_RENEGOTIATION_MISMATCH);
return 0;
}
ok = memcmp(data, s->s3.previous_client_finished,
s->s3.previous_client_finished_len);
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
if (ok) {
if ((data[0] ^ s->s3.previous_client_finished[0]) != 0xFF) {
ok = 0;
}
}
#endif
if (ok) {
SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_R_RENEGOTIATION_MISMATCH);
return 0;
}
s->s3.send_connection_binding = 1;
return 1;
}
int tls_parse_ctos_server_name(SSL_CONNECTION *s, PACKET *pkt,
unsigned int context, X509 *x, size_t chainidx)
{
unsigned int servname_type;
PACKET sni, hostname;
if (!PACKET_as_length_prefixed_2(pkt, &sni)
|| PACKET_remaining(&sni) == 0) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
return 0;
}
if (!PACKET_get_1(&sni, &servname_type)
|| servname_type != TLSEXT_NAMETYPE_host_name
|| !PACKET_as_length_prefixed_2(&sni, &hostname)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
return 0;
}
if (!s->hit || SSL_CONNECTION_IS_TLS13(s)) {
if (PACKET_remaining(&hostname) > TLSEXT_MAXLEN_host_name) {
SSLfatal(s, SSL_AD_UNRECOGNIZED_NAME, SSL_R_BAD_EXTENSION);
return 0;
}
if (PACKET_contains_zero_byte(&hostname)) {
SSLfatal(s, SSL_AD_UNRECOGNIZED_NAME, SSL_R_BAD_EXTENSION);
return 0;
}
OPENSSL_free(s->ext.hostname);
s->ext.hostname = NULL;
if (!PACKET_strndup(&hostname, &s->ext.hostname)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
s->servername_done = 1;
} else {
s->servername_done = (s->session->ext.hostname != NULL)
&& PACKET_equal(&hostname, s->session->ext.hostname,
strlen(s->session->ext.hostname));
}
return 1;
}
int tls_parse_ctos_maxfragmentlen(SSL_CONNECTION *s, PACKET *pkt,
unsigned int context,
X509 *x, size_t chainidx)
{
unsigned int value;
if (PACKET_remaining(pkt) != 1 || !PACKET_get_1(pkt, &value)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
return 0;
}
if (!IS_MAX_FRAGMENT_LENGTH_EXT_VALID(value)) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER,
SSL_R_SSL3_EXT_INVALID_MAX_FRAGMENT_LENGTH);
return 0;
}
if (s->hit && s->session->ext.max_fragment_len_mode != value) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER,
SSL_R_SSL3_EXT_INVALID_MAX_FRAGMENT_LENGTH);
return 0;
}
s->session->ext.max_fragment_len_mode = value;
return 1;
}
#ifndef OPENSSL_NO_SRP
int tls_parse_ctos_srp(SSL_CONNECTION *s, PACKET *pkt, unsigned int context,
X509 *x, size_t chainidx)
{
PACKET srp_I;
if (!PACKET_as_length_prefixed_1(pkt, &srp_I)
|| PACKET_contains_zero_byte(&srp_I)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
return 0;
}
if (!PACKET_strndup(&srp_I, &s->srp_ctx.login)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
return 1;
}
#endif
int tls_parse_ctos_ec_pt_formats(SSL_CONNECTION *s, PACKET *pkt,
unsigned int context,
X509 *x, size_t chainidx)
{
PACKET ec_point_format_list;
if (!PACKET_as_length_prefixed_1(pkt, &ec_point_format_list)
|| PACKET_remaining(&ec_point_format_list) == 0) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
return 0;
}
if (!s->hit) {
if (!PACKET_memdup(&ec_point_format_list,
&s->ext.peer_ecpointformats,
&s->ext.peer_ecpointformats_len)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
}
return 1;
}
int tls_parse_ctos_session_ticket(SSL_CONNECTION *s, PACKET *pkt,
unsigned int context,
X509 *x, size_t chainidx)
{
if (s->ext.session_ticket_cb &&
!s->ext.session_ticket_cb(SSL_CONNECTION_GET_SSL(s),
PACKET_data(pkt), PACKET_remaining(pkt),
s->ext.session_ticket_cb_arg)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
return 1;
}
int tls_parse_ctos_sig_algs_cert(SSL_CONNECTION *s, PACKET *pkt,
ossl_unused unsigned int context,
ossl_unused X509 *x,
ossl_unused size_t chainidx)
{
PACKET supported_sig_algs;
if (!PACKET_as_length_prefixed_2(pkt, &supported_sig_algs)
|| PACKET_remaining(&supported_sig_algs) == 0) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
return 0;
}
if (!s->hit && !tls1_save_sigalgs(s, &supported_sig_algs, 1)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
return 0;
}
return 1;
}
int tls_parse_ctos_sig_algs(SSL_CONNECTION *s, PACKET *pkt,
unsigned int context, X509 *x, size_t chainidx)
{
PACKET supported_sig_algs;
if (!PACKET_as_length_prefixed_2(pkt, &supported_sig_algs)
|| PACKET_remaining(&supported_sig_algs) == 0) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
return 0;
}
if (!s->hit && !tls1_save_sigalgs(s, &supported_sig_algs, 0)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
return 0;
}
return 1;
}
#ifndef OPENSSL_NO_OCSP
int tls_parse_ctos_status_request(SSL_CONNECTION *s, PACKET *pkt,
unsigned int context,
X509 *x, size_t chainidx)
{
PACKET responder_id_list, exts;
if (s->hit)
return 1;
if (x != NULL)
return 1;
if (!PACKET_get_1(pkt, (unsigned int *)&s->ext.status_type)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
return 0;
}
if (s->ext.status_type != TLSEXT_STATUSTYPE_ocsp) {
s->ext.status_type = TLSEXT_STATUSTYPE_nothing;
return 1;
}
if (!PACKET_get_length_prefixed_2 (pkt, &responder_id_list)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
return 0;
}
sk_OCSP_RESPID_pop_free(s->ext.ocsp.ids, OCSP_RESPID_free);
if (PACKET_remaining(&responder_id_list) > 0) {
s->ext.ocsp.ids = sk_OCSP_RESPID_new_null();
if (s->ext.ocsp.ids == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CRYPTO_LIB);
return 0;
}
} else {
s->ext.ocsp.ids = NULL;
}
while (PACKET_remaining(&responder_id_list) > 0) {
OCSP_RESPID *id;
PACKET responder_id;
const unsigned char *id_data;
if (!PACKET_get_length_prefixed_2(&responder_id_list, &responder_id)
|| PACKET_remaining(&responder_id) == 0) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
return 0;
}
id_data = PACKET_data(&responder_id);
id = d2i_OCSP_RESPID(NULL, &id_data,
(int)PACKET_remaining(&responder_id));
if (id == NULL) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
return 0;
}
if (id_data != PACKET_end(&responder_id)) {
OCSP_RESPID_free(id);
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
return 0;
}
if (!sk_OCSP_RESPID_push(s->ext.ocsp.ids, id)) {
OCSP_RESPID_free(id);
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
}
if (!PACKET_as_length_prefixed_2(pkt, &exts)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
return 0;
}
if (PACKET_remaining(&exts) > 0) {
const unsigned char *ext_data = PACKET_data(&exts);
sk_X509_EXTENSION_pop_free(s->ext.ocsp.exts,
X509_EXTENSION_free);
s->ext.ocsp.exts =
d2i_X509_EXTENSIONS(NULL, &ext_data, (int)PACKET_remaining(&exts));
if (s->ext.ocsp.exts == NULL || ext_data != PACKET_end(&exts)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
return 0;
}
}
return 1;
}
#endif
#ifndef OPENSSL_NO_NEXTPROTONEG
int tls_parse_ctos_npn(SSL_CONNECTION *s, PACKET *pkt, unsigned int context,
X509 *x, size_t chainidx)
{
if (SSL_IS_FIRST_HANDSHAKE(s))
s->s3.npn_seen = 1;
return 1;
}
#endif
int tls_parse_ctos_alpn(SSL_CONNECTION *s, PACKET *pkt, unsigned int context,
X509 *x, size_t chainidx)
{
PACKET protocol_list, save_protocol_list, protocol;
if (!SSL_IS_FIRST_HANDSHAKE(s))
return 1;
if (!PACKET_as_length_prefixed_2(pkt, &protocol_list)
|| PACKET_remaining(&protocol_list) < 2) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
return 0;
}
save_protocol_list = protocol_list;
do {
if (!PACKET_get_length_prefixed_1(&protocol_list, &protocol)
|| PACKET_remaining(&protocol) == 0) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
return 0;
}
} while (PACKET_remaining(&protocol_list) != 0);
OPENSSL_free(s->s3.alpn_proposed);
s->s3.alpn_proposed = NULL;
s->s3.alpn_proposed_len = 0;
if (!PACKET_memdup(&save_protocol_list,
&s->s3.alpn_proposed, &s->s3.alpn_proposed_len)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
return 1;
}
#ifndef OPENSSL_NO_SRTP
int tls_parse_ctos_use_srtp(SSL_CONNECTION *s, PACKET *pkt,
unsigned int context, X509 *x, size_t chainidx)
{
STACK_OF(SRTP_PROTECTION_PROFILE) *srvr;
unsigned int ct, mki_len, id;
int i, srtp_pref;
PACKET subpkt;
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
if (SSL_get_srtp_profiles(ssl) == NULL)
return 1;
if (!PACKET_get_net_2(pkt, &ct) || (ct & 1) != 0
|| !PACKET_get_sub_packet(pkt, &subpkt, ct)) {
SSLfatal(s, SSL_AD_DECODE_ERROR,
SSL_R_BAD_SRTP_PROTECTION_PROFILE_LIST);
return 0;
}
srvr = SSL_get_srtp_profiles(ssl);
s->srtp_profile = NULL;
srtp_pref = sk_SRTP_PROTECTION_PROFILE_num(srvr);
while (PACKET_remaining(&subpkt)) {
if (!PACKET_get_net_2(&subpkt, &id)) {
SSLfatal(s, SSL_AD_DECODE_ERROR,
SSL_R_BAD_SRTP_PROTECTION_PROFILE_LIST);
return 0;
}
for (i = 0; i < srtp_pref; i++) {
SRTP_PROTECTION_PROFILE *sprof =
sk_SRTP_PROTECTION_PROFILE_value(srvr, i);
if (sprof->id == id) {
s->srtp_profile = sprof;
srtp_pref = i;
break;
}
}
}
if (!PACKET_get_1(pkt, &mki_len)) {
SSLfatal(s, SSL_AD_DECODE_ERROR,
SSL_R_BAD_SRTP_PROTECTION_PROFILE_LIST);
return 0;
}
if (!PACKET_forward(pkt, mki_len)
|| PACKET_remaining(pkt)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_SRTP_MKI_VALUE);
return 0;
}
return 1;
}
#endif
int tls_parse_ctos_etm(SSL_CONNECTION *s, PACKET *pkt, unsigned int context,
X509 *x, size_t chainidx)
{
if (!(s->options & SSL_OP_NO_ENCRYPT_THEN_MAC))
s->ext.use_etm = 1;
return 1;
}
int tls_parse_ctos_psk_kex_modes(SSL_CONNECTION *s, PACKET *pkt,
unsigned int context,
X509 *x, size_t chainidx)
{
#ifndef OPENSSL_NO_TLS1_3
PACKET psk_kex_modes;
unsigned int mode;
if (!PACKET_as_length_prefixed_1(pkt, &psk_kex_modes)
|| PACKET_remaining(&psk_kex_modes) == 0) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
return 0;
}
while (PACKET_get_1(&psk_kex_modes, &mode)) {
if (mode == TLSEXT_KEX_MODE_KE_DHE)
s->ext.psk_kex_mode |= TLSEXT_KEX_MODE_FLAG_KE_DHE;
else if (mode == TLSEXT_KEX_MODE_KE
&& (s->options & SSL_OP_ALLOW_NO_DHE_KEX) != 0)
s->ext.psk_kex_mode |= TLSEXT_KEX_MODE_FLAG_KE;
}
if (((s->ext.psk_kex_mode & TLSEXT_KEX_MODE_FLAG_KE) != 0)
&& (s->options & SSL_OP_PREFER_NO_DHE_KEX) != 0) {
s->ext.psk_kex_mode = TLSEXT_KEX_MODE_FLAG_KE;
}
#endif
return 1;
}
int tls_parse_ctos_key_share(SSL_CONNECTION *s, PACKET *pkt,
unsigned int context, X509 *x, size_t chainidx)
{
#ifndef OPENSSL_NO_TLS1_3
unsigned int group_id;
PACKET key_share_list, encoded_pt;
const uint16_t *clntgroups, *srvrgroups;
size_t clnt_num_groups, srvr_num_groups;
int found = 0;
if (s->hit && (s->ext.psk_kex_mode & TLSEXT_KEX_MODE_FLAG_KE_DHE) == 0)
return 1;
if (s->s3.peer_tmp != NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
if (!PACKET_as_length_prefixed_2(pkt, &key_share_list)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
return 0;
}
tls1_get_supported_groups(s, &srvrgroups, &srvr_num_groups);
tls1_get_peer_groups(s, &clntgroups, &clnt_num_groups);
if (clnt_num_groups == 0) {
SSLfatal(s, SSL_AD_MISSING_EXTENSION,
SSL_R_MISSING_SUPPORTED_GROUPS_EXTENSION);
return 0;
}
if (s->s3.group_id != 0 && PACKET_remaining(&key_share_list) == 0) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_BAD_KEY_SHARE);
return 0;
}
while (PACKET_remaining(&key_share_list) > 0) {
if (!PACKET_get_net_2(&key_share_list, &group_id)
|| !PACKET_get_length_prefixed_2(&key_share_list, &encoded_pt)
|| PACKET_remaining(&encoded_pt) == 0) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
return 0;
}
if (found)
continue;
if (s->s3.group_id != 0
&& (group_id != s->s3.group_id
|| PACKET_remaining(&key_share_list) != 0)) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_BAD_KEY_SHARE);
return 0;
}
if (!check_in_list(s, group_id, clntgroups, clnt_num_groups, 0)) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_BAD_KEY_SHARE);
return 0;
}
if (!check_in_list(s, group_id, srvrgroups, srvr_num_groups, 1)
|| !tls_group_allowed(s, group_id, SSL_SECOP_CURVE_SUPPORTED)
|| !tls_valid_group(s, group_id, TLS1_3_VERSION, TLS1_3_VERSION,
0, NULL)) {
continue;
}
s->s3.group_id = group_id;
s->session->kex_group = group_id;
if ((s->s3.peer_tmp = ssl_generate_param_group(s, group_id)) == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR,
SSL_R_UNABLE_TO_FIND_ECDH_PARAMETERS);
return 0;
}
if (tls13_set_encoded_pub_key(s->s3.peer_tmp,
PACKET_data(&encoded_pt),
PACKET_remaining(&encoded_pt)) <= 0) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_BAD_ECPOINT);
return 0;
}
found = 1;
}
#endif
return 1;
}
int tls_parse_ctos_cookie(SSL_CONNECTION *s, PACKET *pkt, unsigned int context,
X509 *x, size_t chainidx)
{
#ifndef OPENSSL_NO_TLS1_3
unsigned int format, version, key_share, group_id;
EVP_MD_CTX *hctx;
EVP_PKEY *pkey;
PACKET cookie, raw, chhash, appcookie;
WPACKET hrrpkt;
const unsigned char *data, *mdin, *ciphdata;
unsigned char hmac[SHA256_DIGEST_LENGTH];
unsigned char hrr[MAX_HRR_SIZE];
size_t rawlen, hmaclen, hrrlen, ciphlen;
uint64_t tm, now;
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
if (sctx->verify_stateless_cookie_cb == NULL
|| (s->s3.flags & TLS1_FLAGS_STATELESS) == 0)
return 1;
if (!PACKET_as_length_prefixed_2(pkt, &cookie)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
return 0;
}
raw = cookie;
data = PACKET_data(&raw);
rawlen = PACKET_remaining(&raw);
if (rawlen < SHA256_DIGEST_LENGTH
|| !PACKET_forward(&raw, rawlen - SHA256_DIGEST_LENGTH)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
return 0;
}
mdin = PACKET_data(&raw);
hctx = EVP_MD_CTX_create();
pkey = EVP_PKEY_new_raw_private_key_ex(sctx->libctx, "HMAC",
sctx->propq,
s->session_ctx->ext.cookie_hmac_key,
sizeof(s->session_ctx->ext.cookie_hmac_key));
if (hctx == NULL || pkey == NULL) {
EVP_MD_CTX_free(hctx);
EVP_PKEY_free(pkey);
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB);
return 0;
}
hmaclen = SHA256_DIGEST_LENGTH;
if (EVP_DigestSignInit_ex(hctx, NULL, "SHA2-256", sctx->libctx,
sctx->propq, pkey, NULL) <= 0
|| EVP_DigestSign(hctx, hmac, &hmaclen, data,
rawlen - SHA256_DIGEST_LENGTH) <= 0
|| hmaclen != SHA256_DIGEST_LENGTH) {
EVP_MD_CTX_free(hctx);
EVP_PKEY_free(pkey);
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
EVP_MD_CTX_free(hctx);
EVP_PKEY_free(pkey);
if (CRYPTO_memcmp(hmac, mdin, SHA256_DIGEST_LENGTH) != 0) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_COOKIE_MISMATCH);
return 0;
}
if (!PACKET_get_net_2(&cookie, &format)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
return 0;
}
if (format != COOKIE_STATE_FORMAT_VERSION)
return 1;
if (!PACKET_get_net_2(&cookie, &version)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
return 0;
}
if (version != TLS1_3_VERSION) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER,
SSL_R_BAD_PROTOCOL_VERSION_NUMBER);
return 0;
}
if (!PACKET_get_net_2(&cookie, &group_id)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
return 0;
}
ciphdata = PACKET_data(&cookie);
if (!PACKET_forward(&cookie, 2)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
return 0;
}
if (group_id != s->s3.group_id
|| s->s3.tmp.new_cipher
!= ssl_get_cipher_by_char(s, ciphdata, 0)) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_BAD_CIPHER);
return 0;
}
if (!PACKET_get_1(&cookie, &key_share)
|| !PACKET_get_net_8(&cookie, &tm)
|| !PACKET_get_length_prefixed_2(&cookie, &chhash)
|| !PACKET_get_length_prefixed_1(&cookie, &appcookie)
|| PACKET_remaining(&cookie) != SHA256_DIGEST_LENGTH) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH);
return 0;
}
now = time(NULL);
if (tm > now || (now - tm) > 600) {
return 1;
}
if (sctx->verify_stateless_cookie_cb(ssl,
PACKET_data(&appcookie),
PACKET_remaining(&appcookie)) == 0) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_COOKIE_MISMATCH);
return 0;
}
if (!WPACKET_init_static_len(&hrrpkt, hrr, sizeof(hrr), 0)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
if (!WPACKET_put_bytes_u8(&hrrpkt, SSL3_MT_SERVER_HELLO)
|| !WPACKET_start_sub_packet_u24(&hrrpkt)
|| !WPACKET_put_bytes_u16(&hrrpkt, TLS1_2_VERSION)
|| !WPACKET_memcpy(&hrrpkt, hrrrandom, SSL3_RANDOM_SIZE)
|| !WPACKET_sub_memcpy_u8(&hrrpkt, s->tmp_session_id,
s->tmp_session_id_len)
|| !ssl->method->put_cipher_by_char(s->s3.tmp.new_cipher, &hrrpkt,
&ciphlen)
|| !WPACKET_put_bytes_u8(&hrrpkt, 0)
|| !WPACKET_start_sub_packet_u16(&hrrpkt)) {
WPACKET_cleanup(&hrrpkt);
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
if (!WPACKET_put_bytes_u16(&hrrpkt, TLSEXT_TYPE_supported_versions)
|| !WPACKET_start_sub_packet_u16(&hrrpkt)
|| !WPACKET_put_bytes_u16(&hrrpkt, s->version)
|| !WPACKET_close(&hrrpkt)) {
WPACKET_cleanup(&hrrpkt);
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
if (key_share) {
if (!WPACKET_put_bytes_u16(&hrrpkt, TLSEXT_TYPE_key_share)
|| !WPACKET_start_sub_packet_u16(&hrrpkt)
|| !WPACKET_put_bytes_u16(&hrrpkt, s->s3.group_id)
|| !WPACKET_close(&hrrpkt)) {
WPACKET_cleanup(&hrrpkt);
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
}
if (!WPACKET_put_bytes_u16(&hrrpkt, TLSEXT_TYPE_cookie)
|| !WPACKET_start_sub_packet_u16(&hrrpkt)
|| !WPACKET_sub_memcpy_u16(&hrrpkt, data, rawlen)
|| !WPACKET_close(&hrrpkt)
|| !WPACKET_close(&hrrpkt)
|| !WPACKET_close(&hrrpkt)
|| !WPACKET_get_total_written(&hrrpkt, &hrrlen)
|| !WPACKET_finish(&hrrpkt)) {
WPACKET_cleanup(&hrrpkt);
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
if (!create_synthetic_message_hash(s, PACKET_data(&chhash),
PACKET_remaining(&chhash), hrr,
hrrlen)) {
return 0;
}
s->hello_retry_request = SSL_HRR_PENDING;
s->ext.cookieok = 1;
#endif
return 1;
}
int tls_parse_ctos_supported_groups(SSL_CONNECTION *s, PACKET *pkt,
unsigned int context,
X509 *x, size_t chainidx)
{
PACKET supported_groups_list;
if (!PACKET_as_length_prefixed_2(pkt, &supported_groups_list)
|| PACKET_remaining(&supported_groups_list) == 0
|| (PACKET_remaining(&supported_groups_list) % 2) != 0) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
return 0;
}
if (!s->hit || SSL_CONNECTION_IS_TLS13(s)) {
OPENSSL_free(s->ext.peer_supportedgroups);
s->ext.peer_supportedgroups = NULL;
s->ext.peer_supportedgroups_len = 0;
if (!tls1_save_u16(&supported_groups_list,
&s->ext.peer_supportedgroups,
&s->ext.peer_supportedgroups_len)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
}
return 1;
}
int tls_parse_ctos_ems(SSL_CONNECTION *s, PACKET *pkt, unsigned int context,
X509 *x, size_t chainidx)
{
if (PACKET_remaining(pkt) != 0) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
return 0;
}
if (s->options & SSL_OP_NO_EXTENDED_MASTER_SECRET)
return 1;
s->s3.flags |= TLS1_FLAGS_RECEIVED_EXTMS;
return 1;
}
int tls_parse_ctos_early_data(SSL_CONNECTION *s, PACKET *pkt, unsigned int context,
X509 *x, size_t chainidx)
{
if (PACKET_remaining(pkt) != 0) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
return 0;
}
if (s->hello_retry_request != SSL_HRR_NONE) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_BAD_EXTENSION);
return 0;
}
return 1;
}
static SSL_TICKET_STATUS tls_get_stateful_ticket(SSL_CONNECTION *s, PACKET *tick,
SSL_SESSION **sess)
{
SSL_SESSION *tmpsess = NULL;
s->ext.ticket_expected = 1;
switch (PACKET_remaining(tick)) {
case 0:
return SSL_TICKET_EMPTY;
case SSL_MAX_SSL_SESSION_ID_LENGTH:
break;
default:
return SSL_TICKET_NO_DECRYPT;
}
tmpsess = lookup_sess_in_cache(s, PACKET_data(tick),
SSL_MAX_SSL_SESSION_ID_LENGTH);
if (tmpsess == NULL)
return SSL_TICKET_NO_DECRYPT;
*sess = tmpsess;
return SSL_TICKET_SUCCESS;
}
int tls_parse_ctos_psk(SSL_CONNECTION *s, PACKET *pkt, unsigned int context,
X509 *x, size_t chainidx)
{
PACKET identities, binders, binder;
size_t binderoffset, hashsize;
SSL_SESSION *sess = NULL;
unsigned int id, i, ext = 0;
const EVP_MD *md = NULL;
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
if ((s->ext.psk_kex_mode
& (TLSEXT_KEX_MODE_FLAG_KE | TLSEXT_KEX_MODE_FLAG_KE_DHE)) == 0)
return 1;
if (!PACKET_get_length_prefixed_2(pkt, &identities)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
return 0;
}
s->ext.ticket_expected = 0;
for (id = 0; PACKET_remaining(&identities) != 0; id++) {
PACKET identity;
unsigned long ticket_agel;
size_t idlen;
if (!PACKET_get_length_prefixed_2(&identities, &identity)
|| !PACKET_get_net_4(&identities, &ticket_agel)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
return 0;
}
idlen = PACKET_remaining(&identity);
if (s->psk_find_session_cb != NULL
&& !s->psk_find_session_cb(ssl, PACKET_data(&identity), idlen,
&sess)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_BAD_EXTENSION);
return 0;
}
#ifndef OPENSSL_NO_PSK
if (sess == NULL
&& s->psk_server_callback != NULL
&& idlen <= PSK_MAX_IDENTITY_LEN) {
char *pskid = NULL;
unsigned char pskdata[PSK_MAX_PSK_LEN];
unsigned int pskdatalen;
if (!PACKET_strndup(&identity, &pskid)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
pskdatalen = s->psk_server_callback(ssl, pskid, pskdata,
sizeof(pskdata));
OPENSSL_free(pskid);
if (pskdatalen > PSK_MAX_PSK_LEN) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
} else if (pskdatalen > 0) {
const SSL_CIPHER *cipher;
const unsigned char tls13_aes128gcmsha256_id[] = { 0x13, 0x01 };
cipher = SSL_CIPHER_find(ssl, tls13_aes128gcmsha256_id);
if (cipher == NULL) {
OPENSSL_cleanse(pskdata, pskdatalen);
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
sess = SSL_SESSION_new();
if (sess == NULL
|| !SSL_SESSION_set1_master_key(sess, pskdata,
pskdatalen)
|| !SSL_SESSION_set_cipher(sess, cipher)
|| !SSL_SESSION_set_protocol_version(sess,
TLS1_3_VERSION)) {
OPENSSL_cleanse(pskdata, pskdatalen);
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
OPENSSL_cleanse(pskdata, pskdatalen);
}
}
#endif
if (sess != NULL) {
SSL_SESSION *sesstmp = ssl_session_dup(sess, 0);
if (sesstmp == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
SSL_SESSION_free(sess);
sess = sesstmp;
memcpy(sess->sid_ctx, s->sid_ctx, s->sid_ctx_length);
sess->sid_ctx_length = s->sid_ctx_length;
ext = 1;
if (id == 0)
s->ext.early_data_ok = 1;
s->ext.ticket_expected = 1;
} else {
OSSL_TIME t, age, expire;
int ret;
if ((s->options & SSL_OP_NO_TICKET) != 0
|| (s->max_early_data > 0
&& (s->options & SSL_OP_NO_ANTI_REPLAY) == 0))
ret = tls_get_stateful_ticket(s, &identity, &sess);
else
ret = tls_decrypt_ticket(s, PACKET_data(&identity),
PACKET_remaining(&identity), NULL, 0,
&sess);
if (ret == SSL_TICKET_EMPTY) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
return 0;
}
if (ret == SSL_TICKET_FATAL_ERR_MALLOC
|| ret == SSL_TICKET_FATAL_ERR_OTHER) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
if (ret == SSL_TICKET_NONE || ret == SSL_TICKET_NO_DECRYPT)
continue;
if (s->max_early_data > 0
&& (s->options & SSL_OP_NO_ANTI_REPLAY) == 0
&& !SSL_CTX_remove_session(s->session_ctx, sess)) {
SSL_SESSION_free(sess);
sess = NULL;
continue;
}
age = ossl_time_subtract(ossl_ms2time(ticket_agel),
ossl_ms2time(sess->ext.tick_age_add));
t = ossl_time_subtract(ossl_time_now(), sess->time);
expire = ossl_time_add(t, ossl_ms2time(1000));
if (id == 0
&& ossl_time_compare(sess->timeout, t) >= 0
&& ossl_time_compare(age, expire) <= 0
&& ossl_time_compare(ossl_time_add(age, TICKET_AGE_ALLOWANCE),
expire) >= 0) {
s->ext.early_data_ok = 1;
}
}
md = ssl_md(sctx, sess->cipher->algorithm2);
if (md == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
if (!EVP_MD_is_a(md,
EVP_MD_get0_name(ssl_md(sctx,
s->s3.tmp.new_cipher->algorithm2)))) {
SSL_SESSION_free(sess);
sess = NULL;
s->ext.early_data_ok = 0;
s->ext.ticket_expected = 0;
continue;
}
break;
}
if (sess == NULL)
return 1;
binderoffset = PACKET_data(pkt) - (const unsigned char *)s->init_buf->data;
hashsize = EVP_MD_get_size(md);
if (!PACKET_get_length_prefixed_2(pkt, &binders)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
goto err;
}
for (i = 0; i <= id; i++) {
if (!PACKET_get_length_prefixed_1(&binders, &binder)) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
goto err;
}
}
if (PACKET_remaining(&binder) != hashsize) {
SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
goto err;
}
if (tls_psk_do_binder(s, md, (const unsigned char *)s->init_buf->data,
binderoffset, PACKET_data(&binder), NULL, sess, 0,
ext) != 1) {
goto err;
}
s->ext.tick_identity = id;
SSL_SESSION_free(s->session);
s->session = sess;
return 1;
err:
SSL_SESSION_free(sess);
return 0;
}
int tls_parse_ctos_post_handshake_auth(SSL_CONNECTION *s, PACKET *pkt,
ossl_unused unsigned int context,
ossl_unused X509 *x,
ossl_unused size_t chainidx)
{
if (PACKET_remaining(pkt) != 0) {
SSLfatal(s, SSL_AD_DECODE_ERROR,
SSL_R_POST_HANDSHAKE_AUTH_ENCODING_ERR);
return 0;
}
s->post_handshake_auth = SSL_PHA_EXT_RECEIVED;
return 1;
}
EXT_RETURN tls_construct_stoc_renegotiate(SSL_CONNECTION *s, WPACKET *pkt,
unsigned int context, X509 *x,
size_t chainidx)
{
if (!s->s3.send_connection_binding)
return EXT_RETURN_NOT_SENT;
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_renegotiate)
|| !WPACKET_start_sub_packet_u16(pkt)
|| !WPACKET_start_sub_packet_u8(pkt)
|| !WPACKET_memcpy(pkt, s->s3.previous_client_finished,
s->s3.previous_client_finished_len)
|| !WPACKET_memcpy(pkt, s->s3.previous_server_finished,
s->s3.previous_server_finished_len)
|| !WPACKET_close(pkt)
|| !WPACKET_close(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
return EXT_RETURN_SENT;
}
EXT_RETURN tls_construct_stoc_server_name(SSL_CONNECTION *s, WPACKET *pkt,
unsigned int context, X509 *x,
size_t chainidx)
{
if (s->servername_done != 1)
return EXT_RETURN_NOT_SENT;
if (s->hit && !SSL_CONNECTION_IS_TLS13(s))
return EXT_RETURN_NOT_SENT;
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_server_name)
|| !WPACKET_put_bytes_u16(pkt, 0)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
return EXT_RETURN_SENT;
}
EXT_RETURN tls_construct_stoc_maxfragmentlen(SSL_CONNECTION *s, WPACKET *pkt,
unsigned int context, X509 *x,
size_t chainidx)
{
if (!USE_MAX_FRAGMENT_LENGTH_EXT(s->session))
return EXT_RETURN_NOT_SENT;
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_max_fragment_length)
|| !WPACKET_start_sub_packet_u16(pkt)
|| !WPACKET_put_bytes_u8(pkt, s->session->ext.max_fragment_len_mode)
|| !WPACKET_close(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
return EXT_RETURN_SENT;
}
EXT_RETURN tls_construct_stoc_ec_pt_formats(SSL_CONNECTION *s, WPACKET *pkt,
unsigned int context, X509 *x,
size_t chainidx)
{
unsigned long alg_k = s->s3.tmp.new_cipher->algorithm_mkey;
unsigned long alg_a = s->s3.tmp.new_cipher->algorithm_auth;
int using_ecc = ((alg_k & SSL_kECDHE) || (alg_a & SSL_aECDSA))
&& (s->ext.peer_ecpointformats != NULL);
const unsigned char *plist;
size_t plistlen;
if (!using_ecc)
return EXT_RETURN_NOT_SENT;
tls1_get_formatlist(s, &plist, &plistlen);
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_ec_point_formats)
|| !WPACKET_start_sub_packet_u16(pkt)
|| !WPACKET_sub_memcpy_u8(pkt, plist, plistlen)
|| !WPACKET_close(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
return EXT_RETURN_SENT;
}
EXT_RETURN tls_construct_stoc_supported_groups(SSL_CONNECTION *s, WPACKET *pkt,
unsigned int context, X509 *x,
size_t chainidx)
{
const uint16_t *groups;
size_t numgroups, i, first = 1;
int version;
if (s->s3.group_id == 0)
return EXT_RETURN_NOT_SENT;
tls1_get_supported_groups(s, &groups, &numgroups);
if (numgroups == 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
version = SSL_version(SSL_CONNECTION_GET_SSL(s));
for (i = 0; i < numgroups; i++) {
uint16_t group = groups[i];
if (tls_valid_group(s, group, version, version, 0, NULL)
&& tls_group_allowed(s, group, SSL_SECOP_CURVE_SUPPORTED)) {
if (first) {
if (s->s3.group_id == group)
return EXT_RETURN_NOT_SENT;
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_supported_groups)
|| !WPACKET_start_sub_packet_u16(pkt)
|| !WPACKET_start_sub_packet_u16(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
first = 0;
}
if (!WPACKET_put_bytes_u16(pkt, group)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
}
}
if (!WPACKET_close(pkt) || !WPACKET_close(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
return EXT_RETURN_SENT;
}
EXT_RETURN tls_construct_stoc_session_ticket(SSL_CONNECTION *s, WPACKET *pkt,
unsigned int context, X509 *x,
size_t chainidx)
{
if (!s->ext.ticket_expected || !tls_use_ticket(s)) {
s->ext.ticket_expected = 0;
return EXT_RETURN_NOT_SENT;
}
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_session_ticket)
|| !WPACKET_put_bytes_u16(pkt, 0)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
return EXT_RETURN_SENT;
}
#ifndef OPENSSL_NO_OCSP
EXT_RETURN tls_construct_stoc_status_request(SSL_CONNECTION *s, WPACKET *pkt,
unsigned int context, X509 *x,
size_t chainidx)
{
if (context == SSL_EXT_TLS1_3_CERTIFICATE_REQUEST)
return EXT_RETURN_NOT_SENT;
if (!s->ext.status_expected)
return EXT_RETURN_NOT_SENT;
if (SSL_CONNECTION_IS_TLS13(s) && chainidx != 0)
return EXT_RETURN_NOT_SENT;
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_status_request)
|| !WPACKET_start_sub_packet_u16(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
if (SSL_CONNECTION_IS_TLS13(s) && !tls_construct_cert_status_body(s, pkt)) {
return EXT_RETURN_FAIL;
}
if (!WPACKET_close(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
return EXT_RETURN_SENT;
}
#endif
#ifndef OPENSSL_NO_NEXTPROTONEG
EXT_RETURN tls_construct_stoc_next_proto_neg(SSL_CONNECTION *s, WPACKET *pkt,
unsigned int context, X509 *x,
size_t chainidx)
{
const unsigned char *npa;
unsigned int npalen;
int ret;
int npn_seen = s->s3.npn_seen;
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
s->s3.npn_seen = 0;
if (!npn_seen || sctx->ext.npn_advertised_cb == NULL)
return EXT_RETURN_NOT_SENT;
ret = sctx->ext.npn_advertised_cb(SSL_CONNECTION_GET_SSL(s), &npa, &npalen,
sctx->ext.npn_advertised_cb_arg);
if (ret == SSL_TLSEXT_ERR_OK) {
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_next_proto_neg)
|| !WPACKET_sub_memcpy_u16(pkt, npa, npalen)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
s->s3.npn_seen = 1;
}
return EXT_RETURN_SENT;
}
#endif
EXT_RETURN tls_construct_stoc_alpn(SSL_CONNECTION *s, WPACKET *pkt, unsigned int context,
X509 *x, size_t chainidx)
{
if (s->s3.alpn_selected == NULL)
return EXT_RETURN_NOT_SENT;
if (!WPACKET_put_bytes_u16(pkt,
TLSEXT_TYPE_application_layer_protocol_negotiation)
|| !WPACKET_start_sub_packet_u16(pkt)
|| !WPACKET_start_sub_packet_u16(pkt)
|| !WPACKET_sub_memcpy_u8(pkt, s->s3.alpn_selected,
s->s3.alpn_selected_len)
|| !WPACKET_close(pkt)
|| !WPACKET_close(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
return EXT_RETURN_SENT;
}
#ifndef OPENSSL_NO_SRTP
EXT_RETURN tls_construct_stoc_use_srtp(SSL_CONNECTION *s, WPACKET *pkt,
unsigned int context, X509 *x,
size_t chainidx)
{
if (s->srtp_profile == NULL)
return EXT_RETURN_NOT_SENT;
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_use_srtp)
|| !WPACKET_start_sub_packet_u16(pkt)
|| !WPACKET_put_bytes_u16(pkt, 2)
|| !WPACKET_put_bytes_u16(pkt, s->srtp_profile->id)
|| !WPACKET_put_bytes_u8(pkt, 0)
|| !WPACKET_close(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
return EXT_RETURN_SENT;
}
#endif
EXT_RETURN tls_construct_stoc_etm(SSL_CONNECTION *s, WPACKET *pkt,
unsigned int context,
X509 *x, size_t chainidx)
{
if (!s->ext.use_etm)
return EXT_RETURN_NOT_SENT;
if (s->s3.tmp.new_cipher->algorithm_mac == SSL_AEAD
|| s->s3.tmp.new_cipher->algorithm_enc == SSL_RC4
|| s->s3.tmp.new_cipher->algorithm_enc == SSL_eGOST2814789CNT
|| s->s3.tmp.new_cipher->algorithm_enc == SSL_eGOST2814789CNT12
|| s->s3.tmp.new_cipher->algorithm_enc == SSL_MAGMA
|| s->s3.tmp.new_cipher->algorithm_enc == SSL_KUZNYECHIK) {
s->ext.use_etm = 0;
return EXT_RETURN_NOT_SENT;
}
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_encrypt_then_mac)
|| !WPACKET_put_bytes_u16(pkt, 0)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
return EXT_RETURN_SENT;
}
EXT_RETURN tls_construct_stoc_ems(SSL_CONNECTION *s, WPACKET *pkt,
unsigned int context,
X509 *x, size_t chainidx)
{
if ((s->s3.flags & TLS1_FLAGS_RECEIVED_EXTMS) == 0)
return EXT_RETURN_NOT_SENT;
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_extended_master_secret)
|| !WPACKET_put_bytes_u16(pkt, 0)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
return EXT_RETURN_SENT;
}
EXT_RETURN tls_construct_stoc_supported_versions(SSL_CONNECTION *s, WPACKET *pkt,
unsigned int context, X509 *x,
size_t chainidx)
{
if (!ossl_assert(SSL_CONNECTION_IS_TLS13(s))) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_supported_versions)
|| !WPACKET_start_sub_packet_u16(pkt)
|| !WPACKET_put_bytes_u16(pkt, s->version)
|| !WPACKET_close(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
return EXT_RETURN_SENT;
}
EXT_RETURN tls_construct_stoc_key_share(SSL_CONNECTION *s, WPACKET *pkt,
unsigned int context, X509 *x,
size_t chainidx)
{
#ifndef OPENSSL_NO_TLS1_3
unsigned char *encodedPoint;
size_t encoded_pt_len = 0;
EVP_PKEY *ckey = s->s3.peer_tmp, *skey = NULL;
const TLS_GROUP_INFO *ginf = NULL;
if (s->hello_retry_request == SSL_HRR_PENDING) {
if (ckey != NULL) {
return EXT_RETURN_NOT_SENT;
}
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_key_share)
|| !WPACKET_start_sub_packet_u16(pkt)
|| !WPACKET_put_bytes_u16(pkt, s->s3.group_id)
|| !WPACKET_close(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
return EXT_RETURN_SENT;
}
if (ckey == NULL) {
if (!s->hit || !tls13_generate_handshake_secret(s, NULL, 0)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
return EXT_RETURN_NOT_SENT;
}
if (s->hit && (s->ext.psk_kex_mode & TLSEXT_KEX_MODE_FLAG_KE_DHE) == 0) {
return EXT_RETURN_NOT_SENT;
}
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_key_share)
|| !WPACKET_start_sub_packet_u16(pkt)
|| !WPACKET_put_bytes_u16(pkt, s->s3.group_id)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
if ((ginf = tls1_group_id_lookup(SSL_CONNECTION_GET_CTX(s),
s->s3.group_id)) == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
if (!ginf->is_kem) {
skey = ssl_generate_pkey(s, ckey);
if (skey == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_SSL_LIB);
return EXT_RETURN_FAIL;
}
encoded_pt_len = EVP_PKEY_get1_encoded_public_key(skey, &encodedPoint);
if (encoded_pt_len == 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EC_LIB);
EVP_PKEY_free(skey);
return EXT_RETURN_FAIL;
}
if (!WPACKET_sub_memcpy_u16(pkt, encodedPoint, encoded_pt_len)
|| !WPACKET_close(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
EVP_PKEY_free(skey);
OPENSSL_free(encodedPoint);
return EXT_RETURN_FAIL;
}
OPENSSL_free(encodedPoint);
s->s3.tmp.pkey = skey;
if (ssl_derive(s, skey, ckey, 1) == 0) {
return EXT_RETURN_FAIL;
}
} else {
unsigned char *ct = NULL;
size_t ctlen = 0;
if (ssl_encapsulate(s, ckey, &ct, &ctlen, 0) == 0) {
return EXT_RETURN_FAIL;
}
if (ctlen == 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
OPENSSL_free(ct);
return EXT_RETURN_FAIL;
}
if (!WPACKET_sub_memcpy_u16(pkt, ct, ctlen)
|| !WPACKET_close(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
OPENSSL_free(ct);
return EXT_RETURN_FAIL;
}
OPENSSL_free(ct);
if (ssl_gensecret(s, s->s3.tmp.pms, s->s3.tmp.pmslen) == 0) {
return EXT_RETURN_FAIL;
}
}
s->s3.did_kex = 1;
return EXT_RETURN_SENT;
#else
return EXT_RETURN_FAIL;
#endif
}
EXT_RETURN tls_construct_stoc_cookie(SSL_CONNECTION *s, WPACKET *pkt,
unsigned int context,
X509 *x, size_t chainidx)
{
#ifndef OPENSSL_NO_TLS1_3
unsigned char *hashval1, *hashval2, *appcookie1, *appcookie2, *cookie;
unsigned char *hmac, *hmac2;
size_t startlen, ciphlen, totcookielen, hashlen, hmaclen, appcookielen;
EVP_MD_CTX *hctx;
EVP_PKEY *pkey;
int ret = EXT_RETURN_FAIL;
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
if ((s->s3.flags & TLS1_FLAGS_STATELESS) == 0)
return EXT_RETURN_NOT_SENT;
if (sctx->gen_stateless_cookie_cb == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_NO_COOKIE_CALLBACK_SET);
return EXT_RETURN_FAIL;
}
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_cookie)
|| !WPACKET_start_sub_packet_u16(pkt)
|| !WPACKET_start_sub_packet_u16(pkt)
|| !WPACKET_get_total_written(pkt, &startlen)
|| !WPACKET_reserve_bytes(pkt, MAX_COOKIE_SIZE, &cookie)
|| !WPACKET_put_bytes_u16(pkt, COOKIE_STATE_FORMAT_VERSION)
|| !WPACKET_put_bytes_u16(pkt, TLS1_3_VERSION)
|| !WPACKET_put_bytes_u16(pkt, s->s3.group_id)
|| !ssl->method->put_cipher_by_char(s->s3.tmp.new_cipher, pkt,
&ciphlen)
|| !WPACKET_put_bytes_u8(pkt, s->s3.peer_tmp == NULL)
|| !WPACKET_put_bytes_u64(pkt, time(NULL))
|| !WPACKET_start_sub_packet_u16(pkt)
|| !WPACKET_reserve_bytes(pkt, EVP_MAX_MD_SIZE, &hashval1)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
if (!ssl3_digest_cached_records(s, 0)
|| !ssl_handshake_hash(s, hashval1, EVP_MAX_MD_SIZE, &hashlen)) {
return EXT_RETURN_FAIL;
}
if (!WPACKET_allocate_bytes(pkt, hashlen, &hashval2)
|| !ossl_assert(hashval1 == hashval2)
|| !WPACKET_close(pkt)
|| !WPACKET_start_sub_packet_u8(pkt)
|| !WPACKET_reserve_bytes(pkt, SSL_COOKIE_LENGTH, &appcookie1)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
if (sctx->gen_stateless_cookie_cb(ssl, appcookie1,
&appcookielen) == 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_COOKIE_GEN_CALLBACK_FAILURE);
return EXT_RETURN_FAIL;
}
if (!WPACKET_allocate_bytes(pkt, appcookielen, &appcookie2)
|| !ossl_assert(appcookie1 == appcookie2)
|| !WPACKET_close(pkt)
|| !WPACKET_get_total_written(pkt, &totcookielen)
|| !WPACKET_reserve_bytes(pkt, SHA256_DIGEST_LENGTH, &hmac)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
hmaclen = SHA256_DIGEST_LENGTH;
totcookielen -= startlen;
if (!ossl_assert(totcookielen <= MAX_COOKIE_SIZE - SHA256_DIGEST_LENGTH)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
hctx = EVP_MD_CTX_create();
pkey = EVP_PKEY_new_raw_private_key_ex(sctx->libctx, "HMAC",
sctx->propq,
s->session_ctx->ext.cookie_hmac_key,
sizeof(s->session_ctx->ext.cookie_hmac_key));
if (hctx == NULL || pkey == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB);
goto err;
}
if (EVP_DigestSignInit_ex(hctx, NULL, "SHA2-256", sctx->libctx,
sctx->propq, pkey, NULL) <= 0
|| EVP_DigestSign(hctx, hmac, &hmaclen, cookie,
totcookielen) <= 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
if (!ossl_assert(totcookielen + hmaclen <= MAX_COOKIE_SIZE)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
if (!WPACKET_allocate_bytes(pkt, hmaclen, &hmac2)
|| !ossl_assert(hmac == hmac2)
|| !ossl_assert(cookie == hmac - totcookielen)
|| !WPACKET_close(pkt)
|| !WPACKET_close(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
ret = EXT_RETURN_SENT;
err:
EVP_MD_CTX_free(hctx);
EVP_PKEY_free(pkey);
return ret;
#else
return EXT_RETURN_FAIL;
#endif
}
EXT_RETURN tls_construct_stoc_cryptopro_bug(SSL_CONNECTION *s, WPACKET *pkt,
unsigned int context, X509 *x,
size_t chainidx)
{
const unsigned char cryptopro_ext[36] = {
0xfd, 0xe8,
0x00, 0x20,
0x30, 0x1e, 0x30, 0x08, 0x06, 0x06, 0x2a, 0x85,
0x03, 0x02, 0x02, 0x09, 0x30, 0x08, 0x06, 0x06,
0x2a, 0x85, 0x03, 0x02, 0x02, 0x16, 0x30, 0x08,
0x06, 0x06, 0x2a, 0x85, 0x03, 0x02, 0x02, 0x17
};
if (((s->s3.tmp.new_cipher->id & 0xFFFF) != 0x80
&& (s->s3.tmp.new_cipher->id & 0xFFFF) != 0x81)
|| (SSL_get_options(SSL_CONNECTION_GET_SSL(s))
& SSL_OP_CRYPTOPRO_TLSEXT_BUG) == 0)
return EXT_RETURN_NOT_SENT;
if (!WPACKET_memcpy(pkt, cryptopro_ext, sizeof(cryptopro_ext))) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
return EXT_RETURN_SENT;
}
EXT_RETURN tls_construct_stoc_early_data(SSL_CONNECTION *s, WPACKET *pkt,
unsigned int context, X509 *x,
size_t chainidx)
{
if (context == SSL_EXT_TLS1_3_NEW_SESSION_TICKET) {
if (s->max_early_data == 0)
return EXT_RETURN_NOT_SENT;
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_early_data)
|| !WPACKET_start_sub_packet_u16(pkt)
|| !WPACKET_put_bytes_u32(pkt, s->max_early_data)
|| !WPACKET_close(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
return EXT_RETURN_SENT;
}
if (s->ext.early_data != SSL_EARLY_DATA_ACCEPTED)
return EXT_RETURN_NOT_SENT;
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_early_data)
|| !WPACKET_start_sub_packet_u16(pkt)
|| !WPACKET_close(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
return EXT_RETURN_SENT;
}
EXT_RETURN tls_construct_stoc_psk(SSL_CONNECTION *s, WPACKET *pkt,
unsigned int context,
X509 *x, size_t chainidx)
{
if (!s->hit)
return EXT_RETURN_NOT_SENT;
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_psk)
|| !WPACKET_start_sub_packet_u16(pkt)
|| !WPACKET_put_bytes_u16(pkt, s->ext.tick_identity)
|| !WPACKET_close(pkt)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
return EXT_RETURN_SENT;
}
EXT_RETURN tls_construct_stoc_client_cert_type(SSL_CONNECTION *sc, WPACKET *pkt,
unsigned int context,
X509 *x, size_t chainidx)
{
if (sc->ext.client_cert_type_ctos == OSSL_CERT_TYPE_CTOS_ERROR
&& (send_certificate_request(sc)
|| sc->post_handshake_auth == SSL_PHA_EXT_RECEIVED)) {
SSLfatal(sc, SSL_AD_UNSUPPORTED_CERTIFICATE, SSL_R_BAD_EXTENSION);
return EXT_RETURN_FAIL;
}
if (sc->ext.client_cert_type == TLSEXT_cert_type_x509) {
sc->ext.client_cert_type_ctos = OSSL_CERT_TYPE_CTOS_NONE;
return EXT_RETURN_NOT_SENT;
}
if ((!send_certificate_request(sc) && sc->post_handshake_auth != SSL_PHA_EXT_RECEIVED)
|| sc->ext.client_cert_type_ctos != OSSL_CERT_TYPE_CTOS_GOOD
|| sc->client_cert_type == NULL) {
sc->ext.client_cert_type_ctos = OSSL_CERT_TYPE_CTOS_NONE;
sc->ext.client_cert_type = TLSEXT_cert_type_x509;
return EXT_RETURN_NOT_SENT;
}
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_client_cert_type)
|| !WPACKET_start_sub_packet_u16(pkt)
|| !WPACKET_put_bytes_u8(pkt, sc->ext.client_cert_type)
|| !WPACKET_close(pkt)) {
SSLfatal(sc, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
return EXT_RETURN_SENT;
}
static int reconcile_cert_type(const unsigned char *pref, size_t pref_len,
const unsigned char *other, size_t other_len,
uint8_t *chosen_cert_type)
{
size_t i;
for (i = 0; i < pref_len; i++) {
if (memchr(other, pref[i], other_len) != NULL) {
*chosen_cert_type = pref[i];
return OSSL_CERT_TYPE_CTOS_GOOD;
}
}
return OSSL_CERT_TYPE_CTOS_ERROR;
}
int tls_parse_ctos_client_cert_type(SSL_CONNECTION *sc, PACKET *pkt,
unsigned int context,
X509 *x, size_t chainidx)
{
PACKET supported_cert_types;
const unsigned char *data;
size_t len;
if (sc->client_cert_type == NULL) {
sc->ext.client_cert_type_ctos = OSSL_CERT_TYPE_CTOS_NONE;
sc->ext.client_cert_type = TLSEXT_cert_type_x509;
return 1;
}
if (!PACKET_as_length_prefixed_1(pkt, &supported_cert_types)) {
sc->ext.client_cert_type_ctos = OSSL_CERT_TYPE_CTOS_ERROR;
SSLfatal(sc, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
return 0;
}
if ((len = PACKET_remaining(&supported_cert_types)) == 0) {
sc->ext.client_cert_type_ctos = OSSL_CERT_TYPE_CTOS_ERROR;
SSLfatal(sc, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
return 0;
}
if (!PACKET_get_bytes(&supported_cert_types, &data, len)) {
sc->ext.client_cert_type_ctos = OSSL_CERT_TYPE_CTOS_ERROR;
SSLfatal(sc, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
return 0;
}
sc->ext.client_cert_type_ctos = reconcile_cert_type(data, len,
sc->client_cert_type, sc->client_cert_type_len,
&sc->ext.client_cert_type);
return 1;
}
EXT_RETURN tls_construct_stoc_server_cert_type(SSL_CONNECTION *sc, WPACKET *pkt,
unsigned int context,
X509 *x, size_t chainidx)
{
if (sc->ext.server_cert_type == TLSEXT_cert_type_x509) {
sc->ext.server_cert_type_ctos = OSSL_CERT_TYPE_CTOS_NONE;
return EXT_RETURN_NOT_SENT;
}
if (sc->ext.server_cert_type_ctos != OSSL_CERT_TYPE_CTOS_GOOD
|| sc->server_cert_type == NULL) {
sc->ext.server_cert_type_ctos = OSSL_CERT_TYPE_CTOS_NONE;
sc->ext.server_cert_type = TLSEXT_cert_type_x509;
return EXT_RETURN_NOT_SENT;
}
if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_server_cert_type)
|| !WPACKET_start_sub_packet_u16(pkt)
|| !WPACKET_put_bytes_u8(pkt, sc->ext.server_cert_type)
|| !WPACKET_close(pkt)) {
SSLfatal(sc, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return EXT_RETURN_FAIL;
}
return EXT_RETURN_SENT;
}
int tls_parse_ctos_server_cert_type(SSL_CONNECTION *sc, PACKET *pkt,
unsigned int context,
X509 *x, size_t chainidx)
{
PACKET supported_cert_types;
const unsigned char *data;
size_t len;
if (sc->server_cert_type == NULL) {
sc->ext.server_cert_type_ctos = OSSL_CERT_TYPE_CTOS_NONE;
sc->ext.server_cert_type = TLSEXT_cert_type_x509;
return 1;
}
if (!PACKET_as_length_prefixed_1(pkt, &supported_cert_types)) {
SSLfatal(sc, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
return 0;
}
if ((len = PACKET_remaining(&supported_cert_types)) == 0) {
SSLfatal(sc, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
return 0;
}
if (!PACKET_get_bytes(&supported_cert_types, &data, len)) {
SSLfatal(sc, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION);
return 0;
}
sc->ext.server_cert_type_ctos = reconcile_cert_type(sc->server_cert_type, sc->server_cert_type_len,
data, len,
&sc->ext.server_cert_type);
if (sc->ext.server_cert_type_ctos == OSSL_CERT_TYPE_CTOS_GOOD)
return 1;
SSLfatal(sc, SSL_AD_UNSUPPORTED_CERTIFICATE, SSL_R_BAD_EXTENSION);
return 0;
}
| statem | openssl/ssl/statem/extensions_srvr.c | openssl |
#include <assert.h>
#include <limits.h>
#include <string.h>
#include <stdio.h>
#include "../ssl_local.h"
#include "statem_local.h"
#include "internal/cryptlib.h"
#include <openssl/buffer.h>
#include <openssl/objects.h>
#include <openssl/evp.h>
#include <openssl/x509.h>
#define RSMBLY_BITMASK_SIZE(msg_len) (((msg_len) + 7) / 8)
#define RSMBLY_BITMASK_MARK(bitmask, start, end) { \
if ((end) - (start) <= 8) { \
long ii; \
for (ii = (start); ii < (end); ii++) bitmask[((ii) >> 3)] |= (1 << ((ii) & 7)); \
} else { \
long ii; \
bitmask[((start) >> 3)] |= bitmask_start_values[((start) & 7)]; \
for (ii = (((start) >> 3) + 1); ii < ((((end) - 1)) >> 3); ii++) bitmask[ii] = 0xff; \
bitmask[(((end) - 1) >> 3)] |= bitmask_end_values[((end) & 7)]; \
} }
#define RSMBLY_BITMASK_IS_COMPLETE(bitmask, msg_len, is_complete) { \
long ii; \
is_complete = 1; \
if (bitmask[(((msg_len) - 1) >> 3)] != bitmask_end_values[((msg_len) & 7)]) is_complete = 0; \
if (is_complete) for (ii = (((msg_len) - 1) >> 3) - 1; ii >= 0 ; ii--) \
if (bitmask[ii] != 0xff) { is_complete = 0; break; } }
static const unsigned char bitmask_start_values[] =
{ 0xff, 0xfe, 0xfc, 0xf8, 0xf0, 0xe0, 0xc0, 0x80 };
static const unsigned char bitmask_end_values[] =
{ 0xff, 0x01, 0x03, 0x07, 0x0f, 0x1f, 0x3f, 0x7f };
static void dtls1_fix_message_header(SSL_CONNECTION *s, size_t frag_off,
size_t frag_len);
static unsigned char *dtls1_write_message_header(SSL_CONNECTION *s,
unsigned char *p);
static void dtls1_set_message_header_int(SSL_CONNECTION *s, unsigned char mt,
size_t len,
unsigned short seq_num,
size_t frag_off,
size_t frag_len);
static int dtls_get_reassembled_message(SSL_CONNECTION *s, int *errtype,
size_t *len);
static hm_fragment *dtls1_hm_fragment_new(size_t frag_len, int reassembly)
{
hm_fragment *frag = NULL;
unsigned char *buf = NULL;
unsigned char *bitmask = NULL;
if ((frag = OPENSSL_zalloc(sizeof(*frag))) == NULL)
return NULL;
if (frag_len) {
if ((buf = OPENSSL_malloc(frag_len)) == NULL) {
OPENSSL_free(frag);
return NULL;
}
}
frag->fragment = buf;
if (reassembly) {
bitmask = OPENSSL_zalloc(RSMBLY_BITMASK_SIZE(frag_len));
if (bitmask == NULL) {
OPENSSL_free(buf);
OPENSSL_free(frag);
return NULL;
}
}
frag->reassembly = bitmask;
return frag;
}
void dtls1_hm_fragment_free(hm_fragment *frag)
{
if (!frag)
return;
OPENSSL_free(frag->fragment);
OPENSSL_free(frag->reassembly);
OPENSSL_free(frag);
}
int dtls1_do_write(SSL_CONNECTION *s, uint8_t type)
{
int ret;
size_t written;
size_t curr_mtu;
int retry = 1;
size_t len, frag_off, overhead, used_len;
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
if (!dtls1_query_mtu(s))
return -1;
if (s->d1->mtu < dtls1_min_mtu(s))
return -1;
if (s->init_off == 0 && type == SSL3_RT_HANDSHAKE) {
if (!ossl_assert(s->init_num ==
s->d1->w_msg_hdr.msg_len + DTLS1_HM_HEADER_LENGTH))
return -1;
}
overhead = s->rlayer.wrlmethod->get_max_record_overhead(s->rlayer.wrl);
frag_off = 0;
s->rwstate = SSL_NOTHING;
while (s->init_num > 0) {
if (type == SSL3_RT_HANDSHAKE && s->init_off != 0) {
if (frag_off > 0) {
if (s->init_off <= DTLS1_HM_HEADER_LENGTH) {
return -1;
}
s->init_off -= DTLS1_HM_HEADER_LENGTH;
s->init_num += DTLS1_HM_HEADER_LENGTH;
} else {
frag_off = s->d1->w_msg_hdr.frag_off;
}
}
used_len = BIO_wpending(s->wbio) + overhead;
if (s->d1->mtu > used_len)
curr_mtu = s->d1->mtu - used_len;
else
curr_mtu = 0;
if (curr_mtu <= DTLS1_HM_HEADER_LENGTH) {
ret = BIO_flush(s->wbio);
if (ret <= 0) {
s->rwstate = SSL_WRITING;
return ret;
}
if (s->d1->mtu > overhead + DTLS1_HM_HEADER_LENGTH) {
curr_mtu = s->d1->mtu - overhead;
} else {
return -1;
}
}
if (((unsigned int)s->init_num) > curr_mtu)
len = curr_mtu;
else
len = s->init_num;
if (len > ssl_get_max_send_fragment(s))
len = ssl_get_max_send_fragment(s);
if (type == SSL3_RT_HANDSHAKE) {
if (len < DTLS1_HM_HEADER_LENGTH) {
return -1;
}
dtls1_fix_message_header(s, frag_off, len - DTLS1_HM_HEADER_LENGTH);
dtls1_write_message_header(s,
(unsigned char *)&s->init_buf->
data[s->init_off]);
}
ret = dtls1_write_bytes(s, type, &s->init_buf->data[s->init_off], len,
&written);
if (ret <= 0) {
if (retry && BIO_ctrl(SSL_get_wbio(ssl),
BIO_CTRL_DGRAM_MTU_EXCEEDED, 0, NULL) > 0) {
if (!(SSL_get_options(ssl) & SSL_OP_NO_QUERY_MTU)) {
if (!dtls1_query_mtu(s))
return -1;
retry = 0;
} else
return -1;
} else {
return -1;
}
} else {
if (!ossl_assert(len == written))
return -1;
assert(s->s3.tmp.new_compression != NULL
|| BIO_wpending(s->wbio) <= (int)s->d1->mtu);
if (type == SSL3_RT_HANDSHAKE && !s->d1->retransmitting) {
unsigned char *p =
(unsigned char *)&s->init_buf->data[s->init_off];
const struct hm_header_st *msg_hdr = &s->d1->w_msg_hdr;
size_t xlen;
if (frag_off == 0 && s->version != DTLS1_BAD_VER) {
*p++ = msg_hdr->type;
l2n3(msg_hdr->msg_len, p);
s2n(msg_hdr->seq, p);
l2n3(0, p);
l2n3(msg_hdr->msg_len, p);
p -= DTLS1_HM_HEADER_LENGTH;
xlen = written;
} else {
p += DTLS1_HM_HEADER_LENGTH;
xlen = written - DTLS1_HM_HEADER_LENGTH;
}
if (!ssl3_finish_mac(s, p, xlen))
return -1;
}
if (written == s->init_num) {
if (s->msg_callback)
s->msg_callback(1, s->version, type, s->init_buf->data,
(size_t)(s->init_off + s->init_num), ssl,
s->msg_callback_arg);
s->init_off = 0;
s->init_num = 0;
return 1;
}
s->init_off += written;
s->init_num -= written;
written -= DTLS1_HM_HEADER_LENGTH;
frag_off += written;
dtls1_fix_message_header(s, frag_off, 0);
}
}
return 0;
}
int dtls_get_message(SSL_CONNECTION *s, int *mt)
{
struct hm_header_st *msg_hdr;
unsigned char *p;
size_t msg_len;
size_t tmplen;
int errtype;
msg_hdr = &s->d1->r_msg_hdr;
memset(msg_hdr, 0, sizeof(*msg_hdr));
again:
if (!dtls_get_reassembled_message(s, &errtype, &tmplen)) {
if (errtype == DTLS1_HM_BAD_FRAGMENT
|| errtype == DTLS1_HM_FRAGMENT_RETRY) {
goto again;
}
return 0;
}
*mt = s->s3.tmp.message_type;
p = (unsigned char *)s->init_buf->data;
if (*mt == SSL3_MT_CHANGE_CIPHER_SPEC) {
if (s->msg_callback) {
s->msg_callback(0, s->version, SSL3_RT_CHANGE_CIPHER_SPEC,
p, 1, SSL_CONNECTION_GET_SSL(s),
s->msg_callback_arg);
}
return 1;
}
msg_len = msg_hdr->msg_len;
*(p++) = msg_hdr->type;
l2n3(msg_len, p);
s2n(msg_hdr->seq, p);
l2n3(0, p);
l2n3(msg_len, p);
memset(msg_hdr, 0, sizeof(*msg_hdr));
s->d1->handshake_read_seq++;
s->init_msg = s->init_buf->data + DTLS1_HM_HEADER_LENGTH;
return 1;
}
int dtls_get_message_body(SSL_CONNECTION *s, size_t *len)
{
unsigned char *msg = (unsigned char *)s->init_buf->data;
size_t msg_len = s->init_num + DTLS1_HM_HEADER_LENGTH;
if (s->s3.tmp.message_type == SSL3_MT_CHANGE_CIPHER_SPEC) {
goto end;
}
if (*(s->init_buf->data) == SSL3_MT_FINISHED && !ssl3_take_mac(s)) {
return 0;
}
if (s->version == DTLS1_BAD_VER) {
msg += DTLS1_HM_HEADER_LENGTH;
msg_len -= DTLS1_HM_HEADER_LENGTH;
}
if (!ssl3_finish_mac(s, msg, msg_len))
return 0;
if (s->msg_callback)
s->msg_callback(0, s->version, SSL3_RT_HANDSHAKE,
s->init_buf->data, s->init_num + DTLS1_HM_HEADER_LENGTH,
SSL_CONNECTION_GET_SSL(s), s->msg_callback_arg);
end:
*len = s->init_num;
return 1;
}
static size_t dtls1_max_handshake_message_len(const SSL_CONNECTION *s)
{
size_t max_len = DTLS1_HM_HEADER_LENGTH + SSL3_RT_MAX_ENCRYPTED_LENGTH;
if (max_len < s->max_cert_list)
return s->max_cert_list;
return max_len;
}
static int dtls1_preprocess_fragment(SSL_CONNECTION *s,
struct hm_header_st *msg_hdr)
{
size_t frag_off, frag_len, msg_len;
msg_len = msg_hdr->msg_len;
frag_off = msg_hdr->frag_off;
frag_len = msg_hdr->frag_len;
if ((frag_off + frag_len) > msg_len
|| msg_len > dtls1_max_handshake_message_len(s)) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_EXCESSIVE_MESSAGE_SIZE);
return 0;
}
if (s->d1->r_msg_hdr.frag_off == 0) {
if (!BUF_MEM_grow_clean(s->init_buf, msg_len + DTLS1_HM_HEADER_LENGTH)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_BUF_LIB);
return 0;
}
s->s3.tmp.message_size = msg_len;
s->d1->r_msg_hdr.msg_len = msg_len;
s->s3.tmp.message_type = msg_hdr->type;
s->d1->r_msg_hdr.type = msg_hdr->type;
s->d1->r_msg_hdr.seq = msg_hdr->seq;
} else if (msg_len != s->d1->r_msg_hdr.msg_len) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_EXCESSIVE_MESSAGE_SIZE);
return 0;
}
return 1;
}
static int dtls1_retrieve_buffered_fragment(SSL_CONNECTION *s, size_t *len)
{
pitem *item;
piterator iter;
hm_fragment *frag;
int ret;
int chretran = 0;
iter = pqueue_iterator(s->d1->buffered_messages);
do {
item = pqueue_next(&iter);
if (item == NULL)
return 0;
frag = (hm_fragment *)item->data;
if (frag->msg_header.seq < s->d1->handshake_read_seq) {
pitem *next;
hm_fragment *nextfrag;
if (!s->server
|| frag->msg_header.seq != 0
|| s->d1->handshake_read_seq != 1
|| s->statem.hand_state != DTLS_ST_SW_HELLO_VERIFY_REQUEST) {
pqueue_pop(s->d1->buffered_messages);
dtls1_hm_fragment_free(frag);
pitem_free(item);
item = NULL;
frag = NULL;
} else {
next = pqueue_next(&iter);
if (next != NULL) {
nextfrag = (hm_fragment *)next->data;
if (nextfrag->msg_header.seq == s->d1->handshake_read_seq) {
pqueue_pop(s->d1->buffered_messages);
dtls1_hm_fragment_free(frag);
pitem_free(item);
item = next;
frag = nextfrag;
} else {
chretran = 1;
}
} else {
chretran = 1;
}
}
}
} while (item == NULL);
if (frag->reassembly != NULL)
return 0;
if (s->d1->handshake_read_seq == frag->msg_header.seq || chretran) {
size_t frag_len = frag->msg_header.frag_len;
pqueue_pop(s->d1->buffered_messages);
ret = dtls1_preprocess_fragment(s, &frag->msg_header);
if (ret && frag->msg_header.frag_len > 0) {
unsigned char *p =
(unsigned char *)s->init_buf->data + DTLS1_HM_HEADER_LENGTH;
memcpy(&p[frag->msg_header.frag_off], frag->fragment,
frag->msg_header.frag_len);
}
dtls1_hm_fragment_free(frag);
pitem_free(item);
if (ret) {
if (chretran) {
s->d1->handshake_read_seq = 0;
s->d1->next_handshake_write_seq = 0;
}
*len = frag_len;
return 1;
}
s->init_num = 0;
return -1;
} else {
return 0;
}
}
static int dtls1_reassemble_fragment(SSL_CONNECTION *s,
const struct hm_header_st *msg_hdr)
{
hm_fragment *frag = NULL;
pitem *item = NULL;
int i = -1, is_complete;
unsigned char seq64be[8];
size_t frag_len = msg_hdr->frag_len;
size_t readbytes;
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
if ((msg_hdr->frag_off + frag_len) > msg_hdr->msg_len ||
msg_hdr->msg_len > dtls1_max_handshake_message_len(s))
goto err;
if (frag_len == 0) {
return DTLS1_HM_FRAGMENT_RETRY;
}
memset(seq64be, 0, sizeof(seq64be));
seq64be[6] = (unsigned char)(msg_hdr->seq >> 8);
seq64be[7] = (unsigned char)msg_hdr->seq;
item = pqueue_find(s->d1->buffered_messages, seq64be);
if (item == NULL) {
frag = dtls1_hm_fragment_new(msg_hdr->msg_len, 1);
if (frag == NULL)
goto err;
memcpy(&(frag->msg_header), msg_hdr, sizeof(*msg_hdr));
frag->msg_header.frag_len = frag->msg_header.msg_len;
frag->msg_header.frag_off = 0;
} else {
frag = (hm_fragment *)item->data;
if (frag->msg_header.msg_len != msg_hdr->msg_len) {
item = NULL;
frag = NULL;
goto err;
}
}
if (frag->reassembly == NULL) {
unsigned char devnull[256];
while (frag_len) {
i = ssl->method->ssl_read_bytes(ssl, SSL3_RT_HANDSHAKE, NULL,
devnull,
frag_len >
sizeof(devnull) ? sizeof(devnull) :
frag_len, 0, &readbytes);
if (i <= 0)
goto err;
frag_len -= readbytes;
}
return DTLS1_HM_FRAGMENT_RETRY;
}
i = ssl->method->ssl_read_bytes(ssl, SSL3_RT_HANDSHAKE, NULL,
frag->fragment + msg_hdr->frag_off,
frag_len, 0, &readbytes);
if (i <= 0 || readbytes != frag_len)
i = -1;
if (i <= 0)
goto err;
RSMBLY_BITMASK_MARK(frag->reassembly, (long)msg_hdr->frag_off,
(long)(msg_hdr->frag_off + frag_len));
if (!ossl_assert(msg_hdr->msg_len > 0))
goto err;
RSMBLY_BITMASK_IS_COMPLETE(frag->reassembly, (long)msg_hdr->msg_len,
is_complete);
if (is_complete) {
OPENSSL_free(frag->reassembly);
frag->reassembly = NULL;
}
if (item == NULL) {
item = pitem_new(seq64be, frag);
if (item == NULL) {
i = -1;
goto err;
}
item = pqueue_insert(s->d1->buffered_messages, item);
if (!ossl_assert(item != NULL))
goto err;
}
return DTLS1_HM_FRAGMENT_RETRY;
err:
if (item == NULL)
dtls1_hm_fragment_free(frag);
return -1;
}
static int dtls1_process_out_of_seq_message(SSL_CONNECTION *s,
const struct hm_header_st *msg_hdr)
{
int i = -1;
hm_fragment *frag = NULL;
pitem *item = NULL;
unsigned char seq64be[8];
size_t frag_len = msg_hdr->frag_len;
size_t readbytes;
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
if ((msg_hdr->frag_off + frag_len) > msg_hdr->msg_len)
goto err;
memset(seq64be, 0, sizeof(seq64be));
seq64be[6] = (unsigned char)(msg_hdr->seq >> 8);
seq64be[7] = (unsigned char)msg_hdr->seq;
item = pqueue_find(s->d1->buffered_messages, seq64be);
if (item != NULL && frag_len != msg_hdr->msg_len)
item = NULL;
if (msg_hdr->seq <= s->d1->handshake_read_seq ||
msg_hdr->seq > s->d1->handshake_read_seq + 10 || item != NULL ||
(s->d1->handshake_read_seq == 0 && msg_hdr->type == SSL3_MT_FINISHED)) {
unsigned char devnull[256];
while (frag_len) {
i = ssl->method->ssl_read_bytes(ssl, SSL3_RT_HANDSHAKE, NULL,
devnull,
frag_len >
sizeof(devnull) ? sizeof(devnull) :
frag_len, 0, &readbytes);
if (i <= 0)
goto err;
frag_len -= readbytes;
}
} else {
if (frag_len != msg_hdr->msg_len) {
return dtls1_reassemble_fragment(s, msg_hdr);
}
if (frag_len > dtls1_max_handshake_message_len(s))
goto err;
frag = dtls1_hm_fragment_new(frag_len, 0);
if (frag == NULL)
goto err;
memcpy(&(frag->msg_header), msg_hdr, sizeof(*msg_hdr));
if (frag_len) {
i = ssl->method->ssl_read_bytes(ssl, SSL3_RT_HANDSHAKE, NULL,
frag->fragment, frag_len, 0,
&readbytes);
if (i<=0 || readbytes != frag_len)
i = -1;
if (i <= 0)
goto err;
}
item = pitem_new(seq64be, frag);
if (item == NULL)
goto err;
item = pqueue_insert(s->d1->buffered_messages, item);
if (!ossl_assert(item != NULL))
goto err;
}
return DTLS1_HM_FRAGMENT_RETRY;
err:
if (item == NULL)
dtls1_hm_fragment_free(frag);
return 0;
}
static int dtls_get_reassembled_message(SSL_CONNECTION *s, int *errtype,
size_t *len)
{
size_t mlen, frag_off, frag_len;
int i, ret;
uint8_t recvd_type;
struct hm_header_st msg_hdr;
size_t readbytes;
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
int chretran = 0;
unsigned char *p;
*errtype = 0;
p = (unsigned char *)s->init_buf->data;
redo:
ret = dtls1_retrieve_buffered_fragment(s, &frag_len);
if (ret < 0) {
return 0;
}
if (ret > 0) {
s->init_num = frag_len;
*len = frag_len;
return 1;
}
i = ssl->method->ssl_read_bytes(ssl, SSL3_RT_HANDSHAKE, &recvd_type, p,
DTLS1_HM_HEADER_LENGTH, 0, &readbytes);
if (i <= 0) {
s->rwstate = SSL_READING;
*len = 0;
return 0;
}
if (recvd_type == SSL3_RT_CHANGE_CIPHER_SPEC) {
if (p[0] != SSL3_MT_CCS) {
SSLfatal(s, SSL_AD_UNEXPECTED_MESSAGE,
SSL_R_BAD_CHANGE_CIPHER_SPEC);
goto f_err;
}
s->init_num = readbytes - 1;
s->init_msg = s->init_buf->data + 1;
s->s3.tmp.message_type = SSL3_MT_CHANGE_CIPHER_SPEC;
s->s3.tmp.message_size = readbytes - 1;
*len = readbytes - 1;
return 1;
}
if (readbytes != DTLS1_HM_HEADER_LENGTH) {
SSLfatal(s, SSL_AD_UNEXPECTED_MESSAGE, SSL_R_UNEXPECTED_MESSAGE);
goto f_err;
}
dtls1_get_message_header(p, &msg_hdr);
mlen = msg_hdr.msg_len;
frag_off = msg_hdr.frag_off;
frag_len = msg_hdr.frag_len;
if (frag_len > s->rlayer.tlsrecs[s->rlayer.curr_rec].length) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_BAD_LENGTH);
goto f_err;
}
if (msg_hdr.seq != s->d1->handshake_read_seq) {
if (!s->server
|| msg_hdr.seq != 0
|| s->d1->handshake_read_seq != 1
|| p[0] != SSL3_MT_CLIENT_HELLO
|| s->statem.hand_state != DTLS_ST_SW_HELLO_VERIFY_REQUEST) {
*errtype = dtls1_process_out_of_seq_message(s, &msg_hdr);
return 0;
}
chretran = 1;
}
if (frag_len && frag_len < mlen) {
*errtype = dtls1_reassemble_fragment(s, &msg_hdr);
return 0;
}
if (!s->server
&& s->d1->r_msg_hdr.frag_off == 0
&& s->statem.hand_state != TLS_ST_OK
&& p[0] == SSL3_MT_HELLO_REQUEST) {
if (p[1] == 0 && p[2] == 0 && p[3] == 0) {
if (s->msg_callback)
s->msg_callback(0, s->version, SSL3_RT_HANDSHAKE,
p, DTLS1_HM_HEADER_LENGTH, ssl,
s->msg_callback_arg);
s->init_num = 0;
goto redo;
} else {
SSLfatal(s, SSL_AD_UNEXPECTED_MESSAGE, SSL_R_UNEXPECTED_MESSAGE);
goto f_err;
}
}
if (!dtls1_preprocess_fragment(s, &msg_hdr)) {
goto f_err;
}
if (frag_len > 0) {
p += DTLS1_HM_HEADER_LENGTH;
i = ssl->method->ssl_read_bytes(ssl, SSL3_RT_HANDSHAKE, NULL,
&p[frag_off], frag_len, 0, &readbytes);
if (i <= 0) {
s->rwstate = SSL_READING;
*len = 0;
return 0;
}
} else {
readbytes = 0;
}
if (readbytes != frag_len) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_BAD_LENGTH);
goto f_err;
}
if (chretran) {
s->d1->handshake_read_seq = 0;
s->d1->next_handshake_write_seq = 0;
}
*len = s->init_num = frag_len;
return 1;
f_err:
s->init_num = 0;
*len = 0;
return 0;
}
CON_FUNC_RETURN dtls_construct_change_cipher_spec(SSL_CONNECTION *s,
WPACKET *pkt)
{
if (s->version == DTLS1_BAD_VER) {
s->d1->next_handshake_write_seq++;
if (!WPACKET_put_bytes_u16(pkt, s->d1->handshake_write_seq)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return CON_FUNC_ERROR;
}
}
return CON_FUNC_SUCCESS;
}
#ifndef OPENSSL_NO_SCTP
WORK_STATE dtls_wait_for_dry(SSL_CONNECTION *s)
{
int ret, errtype;
size_t len;
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
ret = BIO_dgram_sctp_wait_for_dry(SSL_get_wbio(ssl));
if (ret < 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return WORK_ERROR;
}
if (ret == 0) {
if (dtls_get_reassembled_message(s, &errtype, &len)) {
SSLfatal(s, SSL_AD_UNEXPECTED_MESSAGE, SSL_R_UNEXPECTED_MESSAGE);
return WORK_ERROR;
}
s->s3.in_read_app_data = 2;
s->rwstate = SSL_READING;
BIO_clear_retry_flags(SSL_get_rbio(ssl));
BIO_set_retry_read(SSL_get_rbio(ssl));
return WORK_MORE_A;
}
return WORK_FINISHED_CONTINUE;
}
#endif
int dtls1_read_failed(SSL_CONNECTION *s, int code)
{
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
if (code > 0) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
if (!dtls1_is_timer_expired(s) || ossl_statem_in_error(s)) {
return code;
}
if (!SSL_in_init(ssl))
{
BIO_set_flags(SSL_get_rbio(ssl), BIO_FLAGS_READ);
return code;
}
return dtls1_handle_timeout(s);
}
int dtls1_get_queue_priority(unsigned short seq, int is_ccs)
{
return seq * 2 - is_ccs;
}
int dtls1_retransmit_buffered_messages(SSL_CONNECTION *s)
{
pqueue *sent = s->d1->sent_messages;
piterator iter;
pitem *item;
hm_fragment *frag;
int found = 0;
iter = pqueue_iterator(sent);
for (item = pqueue_next(&iter); item != NULL; item = pqueue_next(&iter)) {
frag = (hm_fragment *)item->data;
if (dtls1_retransmit_message(s, (unsigned short)
dtls1_get_queue_priority
(frag->msg_header.seq,
frag->msg_header.is_ccs), &found) <= 0)
return -1;
}
return 1;
}
int dtls1_buffer_message(SSL_CONNECTION *s, int is_ccs)
{
pitem *item;
hm_fragment *frag;
unsigned char seq64be[8];
if (!ossl_assert(s->init_off == 0))
return 0;
frag = dtls1_hm_fragment_new(s->init_num, 0);
if (frag == NULL)
return 0;
memcpy(frag->fragment, s->init_buf->data, s->init_num);
if (is_ccs) {
if (!ossl_assert(s->d1->w_msg_hdr.msg_len +
((s->version ==
DTLS1_BAD_VER) ? 3 : DTLS1_CCS_HEADER_LENGTH)
== (unsigned int)s->init_num)) {
dtls1_hm_fragment_free(frag);
return 0;
}
} else {
if (!ossl_assert(s->d1->w_msg_hdr.msg_len +
DTLS1_HM_HEADER_LENGTH == (unsigned int)s->init_num)) {
dtls1_hm_fragment_free(frag);
return 0;
}
}
frag->msg_header.msg_len = s->d1->w_msg_hdr.msg_len;
frag->msg_header.seq = s->d1->w_msg_hdr.seq;
frag->msg_header.type = s->d1->w_msg_hdr.type;
frag->msg_header.frag_off = 0;
frag->msg_header.frag_len = s->d1->w_msg_hdr.msg_len;
frag->msg_header.is_ccs = is_ccs;
frag->msg_header.saved_retransmit_state.wrlmethod = s->rlayer.wrlmethod;
frag->msg_header.saved_retransmit_state.wrl = s->rlayer.wrl;
memset(seq64be, 0, sizeof(seq64be));
seq64be[6] =
(unsigned
char)(dtls1_get_queue_priority(frag->msg_header.seq,
frag->msg_header.is_ccs) >> 8);
seq64be[7] =
(unsigned
char)(dtls1_get_queue_priority(frag->msg_header.seq,
frag->msg_header.is_ccs));
item = pitem_new(seq64be, frag);
if (item == NULL) {
dtls1_hm_fragment_free(frag);
return 0;
}
pqueue_insert(s->d1->sent_messages, item);
return 1;
}
int dtls1_retransmit_message(SSL_CONNECTION *s, unsigned short seq, int *found)
{
int ret;
pitem *item;
hm_fragment *frag;
unsigned long header_length;
unsigned char seq64be[8];
struct dtls1_retransmit_state saved_state;
memset(seq64be, 0, sizeof(seq64be));
seq64be[6] = (unsigned char)(seq >> 8);
seq64be[7] = (unsigned char)seq;
item = pqueue_find(s->d1->sent_messages, seq64be);
if (item == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
*found = 0;
return 0;
}
*found = 1;
frag = (hm_fragment *)item->data;
if (frag->msg_header.is_ccs)
header_length = DTLS1_CCS_HEADER_LENGTH;
else
header_length = DTLS1_HM_HEADER_LENGTH;
memcpy(s->init_buf->data, frag->fragment,
frag->msg_header.msg_len + header_length);
s->init_num = frag->msg_header.msg_len + header_length;
dtls1_set_message_header_int(s, frag->msg_header.type,
frag->msg_header.msg_len,
frag->msg_header.seq, 0,
frag->msg_header.frag_len);
saved_state.wrlmethod = s->rlayer.wrlmethod;
saved_state.wrl = s->rlayer.wrl;
s->d1->retransmitting = 1;
s->rlayer.wrlmethod = frag->msg_header.saved_retransmit_state.wrlmethod;
s->rlayer.wrl = frag->msg_header.saved_retransmit_state.wrl;
s->rlayer.wrlmethod->set1_bio(s->rlayer.wrl, s->wbio);
ret = dtls1_do_write(s, frag->msg_header.is_ccs ?
SSL3_RT_CHANGE_CIPHER_SPEC : SSL3_RT_HANDSHAKE);
s->rlayer.wrlmethod = saved_state.wrlmethod;
s->rlayer.wrl = saved_state.wrl;
s->d1->retransmitting = 0;
(void)BIO_flush(s->wbio);
return ret;
}
void dtls1_set_message_header(SSL_CONNECTION *s,
unsigned char mt, size_t len,
size_t frag_off, size_t frag_len)
{
if (frag_off == 0) {
s->d1->handshake_write_seq = s->d1->next_handshake_write_seq;
s->d1->next_handshake_write_seq++;
}
dtls1_set_message_header_int(s, mt, len, s->d1->handshake_write_seq,
frag_off, frag_len);
}
static void
dtls1_set_message_header_int(SSL_CONNECTION *s, unsigned char mt,
size_t len, unsigned short seq_num,
size_t frag_off, size_t frag_len)
{
struct hm_header_st *msg_hdr = &s->d1->w_msg_hdr;
msg_hdr->type = mt;
msg_hdr->msg_len = len;
msg_hdr->seq = seq_num;
msg_hdr->frag_off = frag_off;
msg_hdr->frag_len = frag_len;
}
static void
dtls1_fix_message_header(SSL_CONNECTION *s, size_t frag_off, size_t frag_len)
{
struct hm_header_st *msg_hdr = &s->d1->w_msg_hdr;
msg_hdr->frag_off = frag_off;
msg_hdr->frag_len = frag_len;
}
static unsigned char *dtls1_write_message_header(SSL_CONNECTION *s,
unsigned char *p)
{
struct hm_header_st *msg_hdr = &s->d1->w_msg_hdr;
*p++ = msg_hdr->type;
l2n3(msg_hdr->msg_len, p);
s2n(msg_hdr->seq, p);
l2n3(msg_hdr->frag_off, p);
l2n3(msg_hdr->frag_len, p);
return p;
}
void dtls1_get_message_header(const unsigned char *data, struct
hm_header_st *msg_hdr)
{
memset(msg_hdr, 0, sizeof(*msg_hdr));
msg_hdr->type = *(data++);
n2l3(data, msg_hdr->msg_len);
n2s(data, msg_hdr->seq);
n2l3(data, msg_hdr->frag_off);
n2l3(data, msg_hdr->frag_len);
}
int dtls1_set_handshake_header(SSL_CONNECTION *s, WPACKET *pkt, int htype)
{
unsigned char *header;
if (htype == SSL3_MT_CHANGE_CIPHER_SPEC) {
s->d1->handshake_write_seq = s->d1->next_handshake_write_seq;
dtls1_set_message_header_int(s, SSL3_MT_CCS, 0,
s->d1->handshake_write_seq, 0, 0);
if (!WPACKET_put_bytes_u8(pkt, SSL3_MT_CCS))
return 0;
} else {
dtls1_set_message_header(s, htype, 0, 0, 0);
if (!WPACKET_allocate_bytes(pkt, DTLS1_HM_HEADER_LENGTH, &header)
|| !WPACKET_start_sub_packet(pkt))
return 0;
}
return 1;
}
int dtls1_close_construct_packet(SSL_CONNECTION *s, WPACKET *pkt, int htype)
{
size_t msglen;
if ((htype != SSL3_MT_CHANGE_CIPHER_SPEC && !WPACKET_close(pkt))
|| !WPACKET_get_length(pkt, &msglen)
|| msglen > INT_MAX)
return 0;
if (htype != SSL3_MT_CHANGE_CIPHER_SPEC) {
s->d1->w_msg_hdr.msg_len = msglen - DTLS1_HM_HEADER_LENGTH;
s->d1->w_msg_hdr.frag_len = msglen - DTLS1_HM_HEADER_LENGTH;
}
s->init_num = (int)msglen;
s->init_off = 0;
if (htype != DTLS1_MT_HELLO_VERIFY_REQUEST) {
if (!dtls1_buffer_message(s, htype == SSL3_MT_CHANGE_CIPHER_SPEC
? 1 : 0))
return 0;
}
return 1;
}
| statem | openssl/ssl/statem/statem_dtls.c | openssl |
#if defined(__TANDEM) && defined(_SPT_MODEL_)
# include <spthread.h>
# include <spt_extensions.h>
#endif
#include "internal/cryptlib.h"
#include <openssl/rand.h>
#include "../ssl_local.h"
#include "statem_local.h"
#include <assert.h>
typedef enum {
SUB_STATE_ERROR,
SUB_STATE_FINISHED,
SUB_STATE_END_HANDSHAKE
} SUB_STATE_RETURN;
static int state_machine(SSL_CONNECTION *s, int server);
static void init_read_state_machine(SSL_CONNECTION *s);
static SUB_STATE_RETURN read_state_machine(SSL_CONNECTION *s);
static void init_write_state_machine(SSL_CONNECTION *s);
static SUB_STATE_RETURN write_state_machine(SSL_CONNECTION *s);
OSSL_HANDSHAKE_STATE SSL_get_state(const SSL *ssl)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(ssl);
if (sc == NULL)
return TLS_ST_BEFORE;
return sc->statem.hand_state;
}
int SSL_in_init(const SSL *s)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
if (sc == NULL)
return 0;
return sc->statem.in_init;
}
int SSL_is_init_finished(const SSL *s)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
if (sc == NULL)
return 0;
return !(sc->statem.in_init) && (sc->statem.hand_state == TLS_ST_OK);
}
int SSL_in_before(const SSL *s)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
if (sc == NULL)
return 0;
return (sc->statem.hand_state == TLS_ST_BEFORE)
&& (sc->statem.state == MSG_FLOW_UNINITED);
}
OSSL_HANDSHAKE_STATE ossl_statem_get_state(SSL_CONNECTION *s)
{
return s != NULL ? s->statem.hand_state : TLS_ST_BEFORE;
}
void ossl_statem_clear(SSL_CONNECTION *s)
{
s->statem.state = MSG_FLOW_UNINITED;
s->statem.hand_state = TLS_ST_BEFORE;
ossl_statem_set_in_init(s, 1);
s->statem.no_cert_verify = 0;
}
void ossl_statem_set_renegotiate(SSL_CONNECTION *s)
{
ossl_statem_set_in_init(s, 1);
s->statem.request_state = TLS_ST_SW_HELLO_REQ;
}
void ossl_statem_send_fatal(SSL_CONNECTION *s, int al)
{
if (s->statem.in_init && s->statem.state == MSG_FLOW_ERROR)
return;
ossl_statem_set_in_init(s, 1);
s->statem.state = MSG_FLOW_ERROR;
if (al != SSL_AD_NO_ALERT)
ssl3_send_alert(s, SSL3_AL_FATAL, al);
}
void ossl_statem_fatal(SSL_CONNECTION *s, int al, int reason,
const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
ERR_vset_error(ERR_LIB_SSL, reason, fmt, args);
va_end(args);
ossl_statem_send_fatal(s, al);
}
#define check_fatal(s) \
do { \
if (!ossl_assert((s)->statem.in_init \
&& (s)->statem.state == MSG_FLOW_ERROR)) \
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_MISSING_FATAL); \
} while (0)
int ossl_statem_in_error(const SSL_CONNECTION *s)
{
if (s->statem.state == MSG_FLOW_ERROR)
return 1;
return 0;
}
void ossl_statem_set_in_init(SSL_CONNECTION *s, int init)
{
s->statem.in_init = init;
if (s->rlayer.rrlmethod != NULL && s->rlayer.rrlmethod->set_in_init != NULL)
s->rlayer.rrlmethod->set_in_init(s->rlayer.rrl, init);
}
int ossl_statem_get_in_handshake(SSL_CONNECTION *s)
{
return s->statem.in_handshake;
}
void ossl_statem_set_in_handshake(SSL_CONNECTION *s, int inhand)
{
if (inhand)
s->statem.in_handshake++;
else
s->statem.in_handshake--;
}
int ossl_statem_skip_early_data(SSL_CONNECTION *s)
{
if (s->ext.early_data != SSL_EARLY_DATA_REJECTED)
return 0;
if (!s->server
|| s->statem.hand_state != TLS_ST_EARLY_DATA
|| s->hello_retry_request == SSL_HRR_COMPLETE)
return 0;
return 1;
}
void ossl_statem_check_finish_init(SSL_CONNECTION *s, int sending)
{
if (sending == -1) {
if (s->statem.hand_state == TLS_ST_PENDING_EARLY_DATA_END
|| s->statem.hand_state == TLS_ST_EARLY_DATA) {
ossl_statem_set_in_init(s, 1);
if (s->early_data_state == SSL_EARLY_DATA_WRITE_RETRY) {
s->early_data_state = SSL_EARLY_DATA_FINISHED_WRITING;
}
}
} else if (!s->server) {
if ((sending && (s->statem.hand_state == TLS_ST_PENDING_EARLY_DATA_END
|| s->statem.hand_state == TLS_ST_EARLY_DATA)
&& s->early_data_state != SSL_EARLY_DATA_WRITING)
|| (!sending && s->statem.hand_state == TLS_ST_EARLY_DATA)) {
ossl_statem_set_in_init(s, 1);
if (sending && s->early_data_state == SSL_EARLY_DATA_WRITE_RETRY)
s->early_data_state = SSL_EARLY_DATA_FINISHED_WRITING;
}
} else {
if (s->early_data_state == SSL_EARLY_DATA_FINISHED_READING
&& s->statem.hand_state == TLS_ST_EARLY_DATA)
ossl_statem_set_in_init(s, 1);
}
}
void ossl_statem_set_hello_verify_done(SSL_CONNECTION *s)
{
s->statem.state = MSG_FLOW_UNINITED;
ossl_statem_set_in_init(s, 1);
s->statem.hand_state = TLS_ST_SR_CLNT_HELLO;
}
int ossl_statem_connect(SSL *s)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return -1;
return state_machine(sc, 0);
}
int ossl_statem_accept(SSL *s)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return -1;
return state_machine(sc, 1);
}
typedef void (*info_cb) (const SSL *, int, int);
static info_cb get_callback(SSL_CONNECTION *s)
{
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
if (s->info_callback != NULL)
return s->info_callback;
else if (sctx->info_callback != NULL)
return sctx->info_callback;
return NULL;
}
static int state_machine(SSL_CONNECTION *s, int server)
{
BUF_MEM *buf = NULL;
void (*cb) (const SSL *ssl, int type, int val) = NULL;
OSSL_STATEM *st = &s->statem;
int ret = -1;
int ssret;
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
if (st->state == MSG_FLOW_ERROR) {
return -1;
}
ERR_clear_error();
clear_sys_error();
cb = get_callback(s);
st->in_handshake++;
if (!SSL_in_init(ssl) || SSL_in_before(ssl)) {
if ((s->s3.flags & TLS1_FLAGS_STATELESS) == 0 && !SSL_clear(ssl))
return -1;
}
#ifndef OPENSSL_NO_SCTP
if (SSL_CONNECTION_IS_DTLS(s) && BIO_dgram_is_sctp(SSL_get_wbio(ssl))) {
BIO_ctrl(SSL_get_wbio(ssl), BIO_CTRL_DGRAM_SCTP_SET_IN_HANDSHAKE,
st->in_handshake, NULL);
}
#endif
if (st->state == MSG_FLOW_UNINITED
|| st->state == MSG_FLOW_FINISHED) {
if (st->state == MSG_FLOW_UNINITED) {
st->hand_state = TLS_ST_BEFORE;
st->request_state = TLS_ST_BEFORE;
}
s->server = server;
if (cb != NULL) {
if (SSL_IS_FIRST_HANDSHAKE(s) || !SSL_CONNECTION_IS_TLS13(s))
cb(ssl, SSL_CB_HANDSHAKE_START, 1);
}
if (SSL_CONNECTION_IS_DTLS(s)) {
if ((s->version & 0xff00) != (DTLS1_VERSION & 0xff00) &&
(server || (s->version & 0xff00) != (DTLS1_BAD_VER & 0xff00))) {
SSLfatal(s, SSL_AD_NO_ALERT, ERR_R_INTERNAL_ERROR);
goto end;
}
} else {
if ((s->version >> 8) != SSL3_VERSION_MAJOR) {
SSLfatal(s, SSL_AD_NO_ALERT, ERR_R_INTERNAL_ERROR);
goto end;
}
}
if (!ssl_security(s, SSL_SECOP_VERSION, 0, s->version, NULL)) {
SSLfatal(s, SSL_AD_NO_ALERT, ERR_R_INTERNAL_ERROR);
goto end;
}
if (s->init_buf == NULL) {
if ((buf = BUF_MEM_new()) == NULL) {
SSLfatal(s, SSL_AD_NO_ALERT, ERR_R_INTERNAL_ERROR);
goto end;
}
if (!BUF_MEM_grow(buf, SSL3_RT_MAX_PLAIN_LENGTH)) {
SSLfatal(s, SSL_AD_NO_ALERT, ERR_R_INTERNAL_ERROR);
goto end;
}
s->init_buf = buf;
buf = NULL;
}
s->init_num = 0;
s->s3.change_cipher_spec = 0;
#ifndef OPENSSL_NO_SCTP
if (!SSL_CONNECTION_IS_DTLS(s) || !BIO_dgram_is_sctp(SSL_get_wbio(ssl)))
#endif
if (!ssl_init_wbio_buffer(s)) {
SSLfatal(s, SSL_AD_NO_ALERT, ERR_R_INTERNAL_ERROR);
goto end;
}
if ((SSL_in_before(ssl))
|| s->renegotiate) {
if (!tls_setup_handshake(s)) {
goto end;
}
if (SSL_IS_FIRST_HANDSHAKE(s))
st->read_state_first_init = 1;
}
st->state = MSG_FLOW_WRITING;
init_write_state_machine(s);
}
while (st->state != MSG_FLOW_FINISHED) {
if (st->state == MSG_FLOW_READING) {
ssret = read_state_machine(s);
if (ssret == SUB_STATE_FINISHED) {
st->state = MSG_FLOW_WRITING;
init_write_state_machine(s);
} else {
goto end;
}
} else if (st->state == MSG_FLOW_WRITING) {
ssret = write_state_machine(s);
if (ssret == SUB_STATE_FINISHED) {
st->state = MSG_FLOW_READING;
init_read_state_machine(s);
} else if (ssret == SUB_STATE_END_HANDSHAKE) {
st->state = MSG_FLOW_FINISHED;
} else {
goto end;
}
} else {
check_fatal(s);
ERR_raise(ERR_LIB_SSL, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
goto end;
}
}
ret = 1;
end:
st->in_handshake--;
#ifndef OPENSSL_NO_SCTP
if (SSL_CONNECTION_IS_DTLS(s) && BIO_dgram_is_sctp(SSL_get_wbio(ssl))) {
BIO_ctrl(SSL_get_wbio(ssl), BIO_CTRL_DGRAM_SCTP_SET_IN_HANDSHAKE,
st->in_handshake, NULL);
}
#endif
BUF_MEM_free(buf);
if (cb != NULL) {
if (server)
cb(ssl, SSL_CB_ACCEPT_EXIT, ret);
else
cb(ssl, SSL_CB_CONNECT_EXIT, ret);
}
return ret;
}
static void init_read_state_machine(SSL_CONNECTION *s)
{
OSSL_STATEM *st = &s->statem;
st->read_state = READ_STATE_HEADER;
}
static int grow_init_buf(SSL_CONNECTION *s, size_t size) {
size_t msg_offset = (char *)s->init_msg - s->init_buf->data;
if (!BUF_MEM_grow_clean(s->init_buf, (int)size))
return 0;
if (size < msg_offset)
return 0;
s->init_msg = s->init_buf->data + msg_offset;
return 1;
}
static SUB_STATE_RETURN read_state_machine(SSL_CONNECTION *s)
{
OSSL_STATEM *st = &s->statem;
int ret, mt;
size_t len = 0;
int (*transition) (SSL_CONNECTION *s, int mt);
PACKET pkt;
MSG_PROCESS_RETURN(*process_message) (SSL_CONNECTION *s, PACKET *pkt);
WORK_STATE(*post_process_message) (SSL_CONNECTION *s, WORK_STATE wst);
size_t (*max_message_size) (SSL_CONNECTION *s);
void (*cb) (const SSL *ssl, int type, int val) = NULL;
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
cb = get_callback(s);
if (s->server) {
transition = ossl_statem_server_read_transition;
process_message = ossl_statem_server_process_message;
max_message_size = ossl_statem_server_max_message_size;
post_process_message = ossl_statem_server_post_process_message;
} else {
transition = ossl_statem_client_read_transition;
process_message = ossl_statem_client_process_message;
max_message_size = ossl_statem_client_max_message_size;
post_process_message = ossl_statem_client_post_process_message;
}
if (st->read_state_first_init) {
s->first_packet = 1;
st->read_state_first_init = 0;
}
while (1) {
switch (st->read_state) {
case READ_STATE_HEADER:
if (SSL_CONNECTION_IS_DTLS(s)) {
ret = dtls_get_message(s, &mt);
} else {
ret = tls_get_message_header(s, &mt);
}
if (ret == 0) {
return SUB_STATE_ERROR;
}
if (cb != NULL) {
if (s->server)
cb(ssl, SSL_CB_ACCEPT_LOOP, 1);
else
cb(ssl, SSL_CB_CONNECT_LOOP, 1);
}
if (!transition(s, mt))
return SUB_STATE_ERROR;
if (s->s3.tmp.message_size > max_message_size(s)) {
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER,
SSL_R_EXCESSIVE_MESSAGE_SIZE);
return SUB_STATE_ERROR;
}
if (!SSL_CONNECTION_IS_DTLS(s)
&& s->s3.tmp.message_size > 0
&& !grow_init_buf(s, s->s3.tmp.message_size
+ SSL3_HM_HEADER_LENGTH)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_BUF_LIB);
return SUB_STATE_ERROR;
}
st->read_state = READ_STATE_BODY;
case READ_STATE_BODY:
if (SSL_CONNECTION_IS_DTLS(s)) {
ret = dtls_get_message_body(s, &len);
} else {
ret = tls_get_message_body(s, &len);
}
if (ret == 0) {
return SUB_STATE_ERROR;
}
s->first_packet = 0;
if (!PACKET_buf_init(&pkt, s->init_msg, len)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return SUB_STATE_ERROR;
}
ret = process_message(s, &pkt);
s->init_num = 0;
switch (ret) {
case MSG_PROCESS_ERROR:
check_fatal(s);
return SUB_STATE_ERROR;
case MSG_PROCESS_FINISHED_READING:
if (SSL_CONNECTION_IS_DTLS(s)) {
dtls1_stop_timer(s);
}
return SUB_STATE_FINISHED;
case MSG_PROCESS_CONTINUE_PROCESSING:
st->read_state = READ_STATE_POST_PROCESS;
st->read_state_work = WORK_MORE_A;
break;
default:
st->read_state = READ_STATE_HEADER;
break;
}
break;
case READ_STATE_POST_PROCESS:
st->read_state_work = post_process_message(s, st->read_state_work);
switch (st->read_state_work) {
case WORK_ERROR:
check_fatal(s);
case WORK_MORE_A:
case WORK_MORE_B:
case WORK_MORE_C:
return SUB_STATE_ERROR;
case WORK_FINISHED_CONTINUE:
st->read_state = READ_STATE_HEADER;
break;
case WORK_FINISHED_STOP:
if (SSL_CONNECTION_IS_DTLS(s)) {
dtls1_stop_timer(s);
}
return SUB_STATE_FINISHED;
}
break;
default:
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return SUB_STATE_ERROR;
}
}
}
static int statem_do_write(SSL_CONNECTION *s)
{
OSSL_STATEM *st = &s->statem;
if (st->hand_state == TLS_ST_CW_CHANGE
|| st->hand_state == TLS_ST_SW_CHANGE) {
if (SSL_CONNECTION_IS_DTLS(s))
return dtls1_do_write(s, SSL3_RT_CHANGE_CIPHER_SPEC);
else
return ssl3_do_write(s, SSL3_RT_CHANGE_CIPHER_SPEC);
} else {
return ssl_do_write(s);
}
}
static void init_write_state_machine(SSL_CONNECTION *s)
{
OSSL_STATEM *st = &s->statem;
st->write_state = WRITE_STATE_TRANSITION;
}
static SUB_STATE_RETURN write_state_machine(SSL_CONNECTION *s)
{
OSSL_STATEM *st = &s->statem;
int ret;
WRITE_TRAN(*transition) (SSL_CONNECTION *s);
WORK_STATE(*pre_work) (SSL_CONNECTION *s, WORK_STATE wst);
WORK_STATE(*post_work) (SSL_CONNECTION *s, WORK_STATE wst);
int (*get_construct_message_f) (SSL_CONNECTION *s,
CON_FUNC_RETURN (**confunc) (SSL_CONNECTION *s,
WPACKET *pkt),
int *mt);
void (*cb) (const SSL *ssl, int type, int val) = NULL;
CON_FUNC_RETURN (*confunc) (SSL_CONNECTION *s, WPACKET *pkt);
int mt;
WPACKET pkt;
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
cb = get_callback(s);
if (s->server) {
transition = ossl_statem_server_write_transition;
pre_work = ossl_statem_server_pre_work;
post_work = ossl_statem_server_post_work;
get_construct_message_f = ossl_statem_server_construct_message;
} else {
transition = ossl_statem_client_write_transition;
pre_work = ossl_statem_client_pre_work;
post_work = ossl_statem_client_post_work;
get_construct_message_f = ossl_statem_client_construct_message;
}
while (1) {
switch (st->write_state) {
case WRITE_STATE_TRANSITION:
if (cb != NULL) {
if (s->server)
cb(ssl, SSL_CB_ACCEPT_LOOP, 1);
else
cb(ssl, SSL_CB_CONNECT_LOOP, 1);
}
switch (transition(s)) {
case WRITE_TRAN_CONTINUE:
st->write_state = WRITE_STATE_PRE_WORK;
st->write_state_work = WORK_MORE_A;
break;
case WRITE_TRAN_FINISHED:
return SUB_STATE_FINISHED;
break;
case WRITE_TRAN_ERROR:
check_fatal(s);
return SUB_STATE_ERROR;
}
break;
case WRITE_STATE_PRE_WORK:
switch (st->write_state_work = pre_work(s, st->write_state_work)) {
case WORK_ERROR:
check_fatal(s);
case WORK_MORE_A:
case WORK_MORE_B:
case WORK_MORE_C:
return SUB_STATE_ERROR;
case WORK_FINISHED_CONTINUE:
st->write_state = WRITE_STATE_SEND;
break;
case WORK_FINISHED_STOP:
return SUB_STATE_END_HANDSHAKE;
}
if (!get_construct_message_f(s, &confunc, &mt)) {
return SUB_STATE_ERROR;
}
if (mt == SSL3_MT_DUMMY) {
st->write_state = WRITE_STATE_POST_WORK;
st->write_state_work = WORK_MORE_A;
break;
}
if (!WPACKET_init(&pkt, s->init_buf)
|| !ssl_set_handshake_header(s, &pkt, mt)) {
WPACKET_cleanup(&pkt);
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return SUB_STATE_ERROR;
}
if (confunc != NULL) {
CON_FUNC_RETURN tmpret;
tmpret = confunc(s, &pkt);
if (tmpret == CON_FUNC_ERROR) {
WPACKET_cleanup(&pkt);
check_fatal(s);
return SUB_STATE_ERROR;
} else if (tmpret == CON_FUNC_DONT_SEND) {
WPACKET_cleanup(&pkt);
st->write_state = WRITE_STATE_POST_WORK;
st->write_state_work = WORK_MORE_A;
break;
}
}
if (!ssl_close_construct_packet(s, &pkt, mt)
|| !WPACKET_finish(&pkt)) {
WPACKET_cleanup(&pkt);
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return SUB_STATE_ERROR;
}
case WRITE_STATE_SEND:
if (SSL_CONNECTION_IS_DTLS(s) && st->use_timer) {
dtls1_start_timer(s);
}
ret = statem_do_write(s);
if (ret <= 0) {
return SUB_STATE_ERROR;
}
st->write_state = WRITE_STATE_POST_WORK;
st->write_state_work = WORK_MORE_A;
case WRITE_STATE_POST_WORK:
switch (st->write_state_work = post_work(s, st->write_state_work)) {
case WORK_ERROR:
check_fatal(s);
case WORK_MORE_A:
case WORK_MORE_B:
case WORK_MORE_C:
return SUB_STATE_ERROR;
case WORK_FINISHED_CONTINUE:
st->write_state = WRITE_STATE_TRANSITION;
break;
case WORK_FINISHED_STOP:
return SUB_STATE_END_HANDSHAKE;
}
break;
default:
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return SUB_STATE_ERROR;
}
}
}
int statem_flush(SSL_CONNECTION *s)
{
s->rwstate = SSL_WRITING;
if (BIO_flush(s->wbio) <= 0) {
return 0;
}
s->rwstate = SSL_NOTHING;
return 1;
}
int ossl_statem_app_data_allowed(SSL_CONNECTION *s)
{
OSSL_STATEM *st = &s->statem;
if (st->state == MSG_FLOW_UNINITED)
return 0;
if (!s->s3.in_read_app_data || (s->s3.total_renegotiations == 0))
return 0;
if (s->server) {
if (st->hand_state == TLS_ST_BEFORE
|| st->hand_state == TLS_ST_SR_CLNT_HELLO)
return 1;
} else {
if (st->hand_state == TLS_ST_CW_CLNT_HELLO)
return 1;
}
return 0;
}
int ossl_statem_export_allowed(SSL_CONNECTION *s)
{
return s->s3.previous_server_finished_len != 0
&& s->statem.hand_state != TLS_ST_SW_FINISHED;
}
int ossl_statem_export_early_allowed(SSL_CONNECTION *s)
{
return s->ext.early_data == SSL_EARLY_DATA_ACCEPTED
|| (!s->server && s->ext.early_data != SSL_EARLY_DATA_NOT_SENT);
}
| statem | openssl/ssl/statem/statem.c | openssl |
#include <stdio.h>
#include <limits.h>
#include <errno.h>
#include <assert.h>
#include "../ssl_local.h"
#include "../quic/quic_local.h"
#include <openssl/evp.h>
#include <openssl/buffer.h>
#include <openssl/rand.h>
#include <openssl/core_names.h>
#include "record_local.h"
#include "internal/packet.h"
void RECORD_LAYER_init(RECORD_LAYER *rl, SSL_CONNECTION *s)
{
rl->s = s;
}
int RECORD_LAYER_clear(RECORD_LAYER *rl)
{
int ret = 1;
while (rl->curr_rec < rl->num_recs)
ret &= ssl_release_record(rl->s,
&(rl->tlsrecs[rl->curr_rec++]),
0);
rl->wnum = 0;
memset(rl->handshake_fragment, 0, sizeof(rl->handshake_fragment));
rl->handshake_fragment_len = 0;
rl->wpend_tot = 0;
rl->wpend_type = 0;
rl->wpend_buf = NULL;
rl->alert_count = 0;
rl->num_recs = 0;
rl->curr_rec = 0;
BIO_free(rl->rrlnext);
rl->rrlnext = NULL;
if (rl->rrlmethod != NULL)
rl->rrlmethod->free(rl->rrl);
if (rl->wrlmethod != NULL)
rl->wrlmethod->free(rl->wrl);
BIO_free(rl->rrlnext);
rl->rrlmethod = NULL;
rl->wrlmethod = NULL;
rl->rrlnext = NULL;
rl->rrl = NULL;
rl->wrl = NULL;
if (rl->d)
DTLS_RECORD_LAYER_clear(rl);
return ret;
}
int RECORD_LAYER_reset(RECORD_LAYER *rl)
{
int ret;
ret = RECORD_LAYER_clear(rl);
ret &= ssl_set_new_record_layer(rl->s,
SSL_CONNECTION_IS_DTLS(rl->s)
? DTLS_ANY_VERSION : TLS_ANY_VERSION,
OSSL_RECORD_DIRECTION_READ,
OSSL_RECORD_PROTECTION_LEVEL_NONE, NULL, 0,
NULL, 0, NULL, 0, NULL, 0, NULL, 0,
NID_undef, NULL, NULL, NULL);
ret &= ssl_set_new_record_layer(rl->s,
SSL_CONNECTION_IS_DTLS(rl->s)
? DTLS_ANY_VERSION : TLS_ANY_VERSION,
OSSL_RECORD_DIRECTION_WRITE,
OSSL_RECORD_PROTECTION_LEVEL_NONE, NULL, 0,
NULL, 0, NULL, 0, NULL, 0, NULL, 0,
NID_undef, NULL, NULL, NULL);
return ret;
}
int RECORD_LAYER_read_pending(const RECORD_LAYER *rl)
{
return rl->rrlmethod->unprocessed_read_pending(rl->rrl);
}
int RECORD_LAYER_processed_read_pending(const RECORD_LAYER *rl)
{
return (rl->curr_rec < rl->num_recs)
|| rl->rrlmethod->processed_read_pending(rl->rrl);
}
int RECORD_LAYER_write_pending(const RECORD_LAYER *rl)
{
return rl->wpend_tot > 0;
}
static uint32_t ossl_get_max_early_data(SSL_CONNECTION *s)
{
uint32_t max_early_data;
SSL_SESSION *sess = s->session;
if (!s->server && sess->ext.max_early_data == 0) {
if (!ossl_assert(s->psksession != NULL
&& s->psksession->ext.max_early_data > 0)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
sess = s->psksession;
}
if (!s->server)
max_early_data = sess->ext.max_early_data;
else if (s->ext.early_data != SSL_EARLY_DATA_ACCEPTED)
max_early_data = s->recv_max_early_data;
else
max_early_data = s->recv_max_early_data < sess->ext.max_early_data
? s->recv_max_early_data : sess->ext.max_early_data;
return max_early_data;
}
static int ossl_early_data_count_ok(SSL_CONNECTION *s, size_t length,
size_t overhead, int send)
{
uint32_t max_early_data;
max_early_data = ossl_get_max_early_data(s);
if (max_early_data == 0) {
SSLfatal(s, send ? SSL_AD_INTERNAL_ERROR : SSL_AD_UNEXPECTED_MESSAGE,
SSL_R_TOO_MUCH_EARLY_DATA);
return 0;
}
max_early_data += overhead;
if (s->early_data_count + length > max_early_data) {
SSLfatal(s, send ? SSL_AD_INTERNAL_ERROR : SSL_AD_UNEXPECTED_MESSAGE,
SSL_R_TOO_MUCH_EARLY_DATA);
return 0;
}
s->early_data_count += length;
return 1;
}
size_t ssl3_pending(const SSL *s)
{
size_t i, num = 0;
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
if (sc == NULL)
return 0;
if (SSL_CONNECTION_IS_DTLS(sc)) {
TLS_RECORD *rdata;
pitem *item, *iter;
iter = pqueue_iterator(sc->rlayer.d->buffered_app_data);
while ((item = pqueue_next(&iter)) != NULL) {
rdata = item->data;
num += rdata->length;
}
}
for (i = 0; i < sc->rlayer.num_recs; i++) {
if (sc->rlayer.tlsrecs[i].type != SSL3_RT_APPLICATION_DATA)
return num;
num += sc->rlayer.tlsrecs[i].length;
}
num += sc->rlayer.rrlmethod->app_data_pending(sc->rlayer.rrl);
return num;
}
void SSL_CTX_set_default_read_buffer_len(SSL_CTX *ctx, size_t len)
{
ctx->default_read_buf_len = len;
}
void SSL_set_default_read_buffer_len(SSL *s, size_t len)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL || IS_QUIC(s))
return;
sc->rlayer.default_read_buf_len = len;
}
const char *SSL_rstate_string_long(const SSL *s)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
const char *lng;
if (sc == NULL)
return NULL;
if (sc->rlayer.rrlmethod == NULL || sc->rlayer.rrl == NULL)
return "unknown";
sc->rlayer.rrlmethod->get_state(sc->rlayer.rrl, NULL, &lng);
return lng;
}
const char *SSL_rstate_string(const SSL *s)
{
const SSL_CONNECTION *sc = SSL_CONNECTION_FROM_CONST_SSL(s);
const char *shrt;
if (sc == NULL)
return NULL;
if (sc->rlayer.rrlmethod == NULL || sc->rlayer.rrl == NULL)
return "unknown";
sc->rlayer.rrlmethod->get_state(sc->rlayer.rrl, &shrt, NULL);
return shrt;
}
static int tls_write_check_pending(SSL_CONNECTION *s, uint8_t type,
const unsigned char *buf, size_t len)
{
if (s->rlayer.wpend_tot == 0)
return 0;
if ((s->rlayer.wpend_tot > len)
|| (!(s->mode & SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER)
&& (s->rlayer.wpend_buf != buf))
|| (s->rlayer.wpend_type != type)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_BAD_WRITE_RETRY);
return -1;
}
return 1;
}
int ssl3_write_bytes(SSL *ssl, uint8_t type, const void *buf_, size_t len,
size_t *written)
{
const unsigned char *buf = buf_;
size_t tot;
size_t n, max_send_fragment, split_send_fragment, maxpipes;
int i;
SSL_CONNECTION *s = SSL_CONNECTION_FROM_SSL_ONLY(ssl);
OSSL_RECORD_TEMPLATE tmpls[SSL_MAX_PIPELINES];
unsigned int recversion;
if (s == NULL)
return -1;
s->rwstate = SSL_NOTHING;
tot = s->rlayer.wnum;
if ((len < s->rlayer.wnum)
|| ((s->rlayer.wpend_tot != 0)
&& (len < (s->rlayer.wnum + s->rlayer.wpend_tot)))) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_BAD_LENGTH);
return -1;
}
if (s->early_data_state == SSL_EARLY_DATA_WRITING
&& !ossl_early_data_count_ok(s, len, 0, 1)) {
return -1;
}
s->rlayer.wnum = 0;
if (s->rlayer.wpend_tot == 0 && (s->key_update != SSL_KEY_UPDATE_NONE
|| s->ext.extra_tickets_expected > 0))
ossl_statem_set_in_init(s, 1);
if (SSL_in_init(ssl) && !ossl_statem_get_in_handshake(s)
&& s->early_data_state != SSL_EARLY_DATA_UNAUTH_WRITING) {
i = s->handshake_func(ssl);
if (i < 0)
return i;
if (i == 0) {
return -1;
}
}
i = tls_write_check_pending(s, type, buf, len);
if (i < 0) {
return i;
} else if (i > 0) {
i = HANDLE_RLAYER_WRITE_RETURN(s,
s->rlayer.wrlmethod->retry_write_records(s->rlayer.wrl));
if (i <= 0) {
s->rlayer.wnum = tot;
return i;
}
tot += s->rlayer.wpend_tot;
s->rlayer.wpend_tot = 0;
}
if (tot == 0) {
s->rlayer.wpend_tot = 0;
s->rlayer.wpend_type = type;
s->rlayer.wpend_buf = buf;
}
if (tot == len) {
*written = tot;
return 1;
}
if (s->s3.alert_dispatch > 0) {
i = ssl->method->ssl_dispatch_alert(ssl);
if (i <= 0) {
s->rlayer.wnum = tot;
return i;
}
}
n = (len - tot);
max_send_fragment = ssl_get_max_send_fragment(s);
split_send_fragment = ssl_get_split_send_fragment(s);
if (max_send_fragment == 0
|| split_send_fragment == 0
|| split_send_fragment > max_send_fragment) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return -1;
}
recversion = (s->version == TLS1_3_VERSION) ? TLS1_2_VERSION : s->version;
if (SSL_get_state(ssl) == TLS_ST_CW_CLNT_HELLO
&& !s->renegotiate
&& TLS1_get_version(ssl) > TLS1_VERSION
&& s->hello_retry_request == SSL_HRR_NONE)
recversion = TLS1_VERSION;
for (;;) {
size_t tmppipelen, remain;
size_t j, lensofar = 0;
maxpipes = s->rlayer.wrlmethod->get_max_records(s->rlayer.wrl, type, n,
max_send_fragment,
&split_send_fragment);
if (s->max_pipelines > 0 && maxpipes > s->max_pipelines)
maxpipes = s->max_pipelines;
if (maxpipes > SSL_MAX_PIPELINES)
maxpipes = SSL_MAX_PIPELINES;
if (split_send_fragment > max_send_fragment) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return -1;
}
if (n / maxpipes >= split_send_fragment) {
for (j = 0; j < maxpipes; j++) {
tmpls[j].type = type;
tmpls[j].version = recversion;
tmpls[j].buf = &(buf[tot]) + (j * split_send_fragment);
tmpls[j].buflen = split_send_fragment;
}
s->rlayer.wpend_tot = maxpipes * split_send_fragment;
} else {
tmppipelen = n / maxpipes;
remain = n % maxpipes;
if (remain > 0)
tmppipelen++;
for (j = 0; j < maxpipes; j++) {
tmpls[j].type = type;
tmpls[j].version = recversion;
tmpls[j].buf = &(buf[tot]) + lensofar;
tmpls[j].buflen = tmppipelen;
lensofar += tmppipelen;
if (j + 1 == remain)
tmppipelen--;
}
s->rlayer.wpend_tot = n;
}
i = HANDLE_RLAYER_WRITE_RETURN(s,
s->rlayer.wrlmethod->write_records(s->rlayer.wrl, tmpls, maxpipes));
if (i <= 0) {
s->rlayer.wnum = tot;
return i;
}
if (s->rlayer.wpend_tot == n
|| (type == SSL3_RT_APPLICATION_DATA
&& (s->mode & SSL_MODE_ENABLE_PARTIAL_WRITE) != 0)) {
*written = tot + s->rlayer.wpend_tot;
s->rlayer.wpend_tot = 0;
return 1;
}
n -= s->rlayer.wpend_tot;
tot += s->rlayer.wpend_tot;
}
}
int ossl_tls_handle_rlayer_return(SSL_CONNECTION *s, int writing, int ret,
char *file, int line)
{
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
if (ret == OSSL_RECORD_RETURN_RETRY) {
s->rwstate = writing ? SSL_WRITING : SSL_READING;
ret = -1;
} else {
s->rwstate = SSL_NOTHING;
if (ret == OSSL_RECORD_RETURN_EOF) {
if (writing) {
ERR_new();
ERR_set_debug(file, line, 0);
ossl_statem_fatal(s, SSL_AD_INTERNAL_ERROR,
ERR_R_INTERNAL_ERROR, NULL);
ret = OSSL_RECORD_RETURN_FATAL;
} else if ((s->options & SSL_OP_IGNORE_UNEXPECTED_EOF) != 0) {
SSL_set_shutdown(ssl, SSL_RECEIVED_SHUTDOWN);
s->s3.warn_alert = SSL_AD_CLOSE_NOTIFY;
} else {
ERR_new();
ERR_set_debug(file, line, 0);
ossl_statem_fatal(s, SSL_AD_DECODE_ERROR,
SSL_R_UNEXPECTED_EOF_WHILE_READING, NULL);
}
} else if (ret == OSSL_RECORD_RETURN_FATAL) {
int al = s->rlayer.rrlmethod->get_alert_code(s->rlayer.rrl);
if (al != SSL_AD_NO_ALERT) {
ERR_new();
ERR_set_debug(file, line, 0);
ossl_statem_fatal(s, al, SSL_R_RECORD_LAYER_FAILURE, NULL);
}
}
if (ret == OSSL_RECORD_RETURN_NON_FATAL_ERR || ret == OSSL_RECORD_RETURN_EOF)
ret = 0;
else if (ret < OSSL_RECORD_RETURN_NON_FATAL_ERR)
ret = -1;
}
return ret;
}
int ssl_release_record(SSL_CONNECTION *s, TLS_RECORD *rr, size_t length)
{
assert(rr->length >= length);
if (rr->rechandle != NULL) {
if (length == 0)
length = rr->length;
if (HANDLE_RLAYER_READ_RETURN(s,
s->rlayer.rrlmethod->release_record(s->rlayer.rrl,
rr->rechandle,
length)) <= 0) {
return 0;
}
if (length == rr->length)
s->rlayer.curr_rec++;
} else if (length == 0 || length == rr->length) {
OPENSSL_free(rr->allocdata);
rr->allocdata = NULL;
}
rr->length -= length;
if (rr->length > 0)
rr->off += length;
else
rr->off = 0;
return 1;
}
int ssl3_read_bytes(SSL *ssl, uint8_t type, uint8_t *recvd_type,
unsigned char *buf, size_t len,
int peek, size_t *readbytes)
{
int i, j, ret;
size_t n, curr_rec, totalbytes;
TLS_RECORD *rr;
void (*cb) (const SSL *ssl, int type2, int val) = NULL;
int is_tls13;
SSL_CONNECTION *s = SSL_CONNECTION_FROM_SSL_ONLY(ssl);
is_tls13 = SSL_CONNECTION_IS_TLS13(s);
if ((type != 0
&& (type != SSL3_RT_APPLICATION_DATA)
&& (type != SSL3_RT_HANDSHAKE))
|| (peek && (type != SSL3_RT_APPLICATION_DATA))) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return -1;
}
if ((type == SSL3_RT_HANDSHAKE) && (s->rlayer.handshake_fragment_len > 0))
{
unsigned char *src = s->rlayer.handshake_fragment;
unsigned char *dst = buf;
unsigned int k;
n = 0;
while ((len > 0) && (s->rlayer.handshake_fragment_len > 0)) {
*dst++ = *src++;
len--;
s->rlayer.handshake_fragment_len--;
n++;
}
for (k = 0; k < s->rlayer.handshake_fragment_len; k++)
s->rlayer.handshake_fragment[k] = *src++;
if (recvd_type != NULL)
*recvd_type = SSL3_RT_HANDSHAKE;
*readbytes = n;
return 1;
}
if (!ossl_statem_get_in_handshake(s) && SSL_in_init(ssl)) {
i = s->handshake_func(ssl);
if (i < 0)
return i;
if (i == 0)
return -1;
}
start:
s->rwstate = SSL_NOTHING;
if (s->rlayer.curr_rec >= s->rlayer.num_recs) {
s->rlayer.curr_rec = s->rlayer.num_recs = 0;
do {
rr = &s->rlayer.tlsrecs[s->rlayer.num_recs];
ret = HANDLE_RLAYER_READ_RETURN(s,
s->rlayer.rrlmethod->read_record(s->rlayer.rrl,
&rr->rechandle,
&rr->version, &rr->type,
&rr->data, &rr->length,
NULL, NULL));
if (ret <= 0) {
return ret;
}
rr->off = 0;
s->rlayer.num_recs++;
} while (s->rlayer.rrlmethod->processed_read_pending(s->rlayer.rrl)
&& s->rlayer.num_recs < SSL_MAX_PIPELINES);
}
rr = &s->rlayer.tlsrecs[s->rlayer.curr_rec];
if (s->rlayer.handshake_fragment_len > 0
&& rr->type != SSL3_RT_HANDSHAKE
&& SSL_CONNECTION_IS_TLS13(s)) {
SSLfatal(s, SSL_AD_UNEXPECTED_MESSAGE,
SSL_R_MIXED_HANDSHAKE_AND_NON_HANDSHAKE_DATA);
return -1;
}
if (rr->type != SSL3_RT_ALERT && rr->length != 0)
s->rlayer.alert_count = 0;
if (s->s3.change_cipher_spec
&& (rr->type != SSL3_RT_HANDSHAKE)) {
SSLfatal(s, SSL_AD_UNEXPECTED_MESSAGE,
SSL_R_DATA_BETWEEN_CCS_AND_FINISHED);
return -1;
}
if (s->shutdown & SSL_RECEIVED_SHUTDOWN) {
s->rlayer.curr_rec++;
s->rwstate = SSL_NOTHING;
return 0;
}
if (type == rr->type
|| (rr->type == SSL3_RT_CHANGE_CIPHER_SPEC
&& type == SSL3_RT_HANDSHAKE && recvd_type != NULL
&& !is_tls13)) {
if (SSL_in_init(ssl) && type == SSL3_RT_APPLICATION_DATA
&& SSL_IS_FIRST_HANDSHAKE(s)) {
SSLfatal(s, SSL_AD_UNEXPECTED_MESSAGE, SSL_R_APP_DATA_IN_HANDSHAKE);
return -1;
}
if (type == SSL3_RT_HANDSHAKE
&& rr->type == SSL3_RT_CHANGE_CIPHER_SPEC
&& s->rlayer.handshake_fragment_len > 0) {
SSLfatal(s, SSL_AD_UNEXPECTED_MESSAGE, SSL_R_CCS_RECEIVED_EARLY);
return -1;
}
if (recvd_type != NULL)
*recvd_type = rr->type;
if (len == 0) {
if (rr->length == 0 && !ssl_release_record(s, rr, 0))
return -1;
return 0;
}
totalbytes = 0;
curr_rec = s->rlayer.curr_rec;
do {
if (len - totalbytes > rr->length)
n = rr->length;
else
n = len - totalbytes;
memcpy(buf, &(rr->data[rr->off]), n);
buf += n;
if (peek) {
if (rr->length == 0 && !ssl_release_record(s, rr, 0))
return -1;
} else {
if (!ssl_release_record(s, rr, n))
return -1;
}
if (rr->length == 0
|| (peek && n == rr->length)) {
rr++;
curr_rec++;
}
totalbytes += n;
} while (type == SSL3_RT_APPLICATION_DATA
&& curr_rec < s->rlayer.num_recs
&& totalbytes < len);
if (totalbytes == 0) {
goto start;
}
*readbytes = totalbytes;
return 1;
}
if (rr->version == SSL2_VERSION) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return -1;
}
if (ssl->method->version == TLS_ANY_VERSION
&& (s->server || rr->type != SSL3_RT_ALERT)) {
s->version = rr->version;
SSLfatal(s, SSL_AD_UNEXPECTED_MESSAGE, SSL_R_UNEXPECTED_MESSAGE);
return -1;
}
if (rr->type == SSL3_RT_ALERT) {
unsigned int alert_level, alert_descr;
const unsigned char *alert_bytes = rr->data + rr->off;
PACKET alert;
if (!PACKET_buf_init(&alert, alert_bytes, rr->length)
|| !PACKET_get_1(&alert, &alert_level)
|| !PACKET_get_1(&alert, &alert_descr)
|| PACKET_remaining(&alert) != 0) {
SSLfatal(s, SSL_AD_UNEXPECTED_MESSAGE, SSL_R_INVALID_ALERT);
return -1;
}
if (s->msg_callback)
s->msg_callback(0, s->version, SSL3_RT_ALERT, alert_bytes, 2, ssl,
s->msg_callback_arg);
if (s->info_callback != NULL)
cb = s->info_callback;
else if (ssl->ctx->info_callback != NULL)
cb = ssl->ctx->info_callback;
if (cb != NULL) {
j = (alert_level << 8) | alert_descr;
cb(ssl, SSL_CB_READ_ALERT, j);
}
if ((!is_tls13 && alert_level == SSL3_AL_WARNING)
|| (is_tls13 && alert_descr == SSL_AD_USER_CANCELLED)) {
s->s3.warn_alert = alert_descr;
if (!ssl_release_record(s, rr, 0))
return -1;
s->rlayer.alert_count++;
if (s->rlayer.alert_count == MAX_WARN_ALERT_COUNT) {
SSLfatal(s, SSL_AD_UNEXPECTED_MESSAGE,
SSL_R_TOO_MANY_WARN_ALERTS);
return -1;
}
}
if (is_tls13 && alert_descr == SSL_AD_USER_CANCELLED) {
goto start;
} else if (alert_descr == SSL_AD_CLOSE_NOTIFY
&& (is_tls13 || alert_level == SSL3_AL_WARNING)) {
s->shutdown |= SSL_RECEIVED_SHUTDOWN;
return 0;
} else if (alert_level == SSL3_AL_FATAL || is_tls13) {
s->rwstate = SSL_NOTHING;
s->s3.fatal_alert = alert_descr;
SSLfatal_data(s, SSL_AD_NO_ALERT,
SSL_AD_REASON_OFFSET + alert_descr,
"SSL alert number %d", alert_descr);
s->shutdown |= SSL_RECEIVED_SHUTDOWN;
if (!ssl_release_record(s, rr, 0))
return -1;
SSL_CTX_remove_session(s->session_ctx, s->session);
return 0;
} else if (alert_descr == SSL_AD_NO_RENEGOTIATION) {
SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_R_NO_RENEGOTIATION);
return -1;
} else if (alert_level == SSL3_AL_WARNING) {
goto start;
}
SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_UNKNOWN_ALERT_TYPE);
return -1;
}
if ((s->shutdown & SSL_SENT_SHUTDOWN) != 0) {
if (rr->type == SSL3_RT_HANDSHAKE) {
BIO *rbio;
if (!SSL_CONNECTION_IS_TLS13(s)) {
if (!ssl_release_record(s, rr, 0))
return -1;
if ((s->mode & SSL_MODE_AUTO_RETRY) != 0)
goto start;
s->rwstate = SSL_READING;
rbio = SSL_get_rbio(ssl);
BIO_clear_retry_flags(rbio);
BIO_set_retry_read(rbio);
return -1;
}
} else {
if (!ssl_release_record(s, rr, 0))
return -1;
SSLfatal(s, SSL_AD_NO_ALERT,
SSL_R_APPLICATION_DATA_AFTER_CLOSE_NOTIFY);
return -1;
}
}
if (rr->type == SSL3_RT_HANDSHAKE) {
size_t dest_maxlen = sizeof(s->rlayer.handshake_fragment);
unsigned char *dest = s->rlayer.handshake_fragment;
size_t *dest_len = &s->rlayer.handshake_fragment_len;
n = dest_maxlen - *dest_len;
if (rr->length < n)
n = rr->length;
if (n > 0) {
memcpy(dest + *dest_len, rr->data + rr->off, n);
*dest_len += n;
}
if ((n > 0 || rr->length == 0) && !ssl_release_record(s, rr, n))
return -1;
if (*dest_len < dest_maxlen)
goto start;
}
if (rr->type == SSL3_RT_CHANGE_CIPHER_SPEC) {
SSLfatal(s, SSL_AD_UNEXPECTED_MESSAGE, SSL_R_CCS_RECEIVED_EARLY);
return -1;
}
if ((s->rlayer.handshake_fragment_len >= 4)
&& !ossl_statem_get_in_handshake(s)) {
int ined = (s->early_data_state == SSL_EARLY_DATA_READING);
ossl_statem_set_in_init(s, 1);
i = s->handshake_func(ssl);
if (i < 0)
return i;
if (i == 0) {
return -1;
}
if (ined)
return -1;
if (!(s->mode & SSL_MODE_AUTO_RETRY)) {
if (!RECORD_LAYER_read_pending(&s->rlayer)) {
BIO *bio;
s->rwstate = SSL_READING;
bio = SSL_get_rbio(ssl);
BIO_clear_retry_flags(bio);
BIO_set_retry_read(bio);
return -1;
}
}
goto start;
}
switch (rr->type) {
default:
SSLfatal(s, SSL_AD_UNEXPECTED_MESSAGE, SSL_R_UNEXPECTED_RECORD);
return -1;
case SSL3_RT_CHANGE_CIPHER_SPEC:
case SSL3_RT_ALERT:
case SSL3_RT_HANDSHAKE:
SSLfatal(s, SSL_AD_UNEXPECTED_MESSAGE, ERR_R_INTERNAL_ERROR);
return -1;
case SSL3_RT_APPLICATION_DATA:
if (ossl_statem_app_data_allowed(s)) {
s->s3.in_read_app_data = 2;
return -1;
} else if (ossl_statem_skip_early_data(s)) {
if (!ossl_early_data_count_ok(s, rr->length,
EARLY_DATA_CIPHERTEXT_OVERHEAD, 0)) {
return -1;
}
if (!ssl_release_record(s, rr, 0))
return -1;
goto start;
} else {
SSLfatal(s, SSL_AD_UNEXPECTED_MESSAGE, SSL_R_UNEXPECTED_RECORD);
return -1;
}
}
}
int RECORD_LAYER_is_sslv2_record(RECORD_LAYER *rl)
{
if (SSL_CONNECTION_IS_DTLS(rl->s))
return 0;
return rl->tlsrecs[0].version == SSL2_VERSION;
}
static OSSL_FUNC_rlayer_msg_callback_fn rlayer_msg_callback_wrapper;
static void rlayer_msg_callback_wrapper(int write_p, int version,
int content_type, const void *buf,
size_t len, void *cbarg)
{
SSL_CONNECTION *s = cbarg;
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
if (s->msg_callback != NULL)
s->msg_callback(write_p, version, content_type, buf, len, ssl,
s->msg_callback_arg);
}
static OSSL_FUNC_rlayer_security_fn rlayer_security_wrapper;
static int rlayer_security_wrapper(void *cbarg, int op, int bits, int nid,
void *other)
{
SSL_CONNECTION *s = cbarg;
return ssl_security(s, op, bits, nid, other);
}
static OSSL_FUNC_rlayer_padding_fn rlayer_padding_wrapper;
static size_t rlayer_padding_wrapper(void *cbarg, int type, size_t len)
{
SSL_CONNECTION *s = cbarg;
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
return s->rlayer.record_padding_cb(ssl, type, len,
s->rlayer.record_padding_arg);
}
static const OSSL_DISPATCH rlayer_dispatch[] = {
{ OSSL_FUNC_RLAYER_SKIP_EARLY_DATA, (void (*)(void))ossl_statem_skip_early_data },
{ OSSL_FUNC_RLAYER_MSG_CALLBACK, (void (*)(void))rlayer_msg_callback_wrapper },
{ OSSL_FUNC_RLAYER_SECURITY, (void (*)(void))rlayer_security_wrapper },
{ OSSL_FUNC_RLAYER_PADDING, (void (*)(void))rlayer_padding_wrapper },
OSSL_DISPATCH_END
};
void ossl_ssl_set_custom_record_layer(SSL_CONNECTION *s,
const OSSL_RECORD_METHOD *meth,
void *rlarg)
{
s->rlayer.custom_rlmethod = meth;
s->rlayer.rlarg = rlarg;
}
static const OSSL_RECORD_METHOD *ssl_select_next_record_layer(SSL_CONNECTION *s,
int direction,
int level)
{
if (s->rlayer.custom_rlmethod != NULL)
return s->rlayer.custom_rlmethod;
if (level == OSSL_RECORD_PROTECTION_LEVEL_NONE) {
if (SSL_CONNECTION_IS_DTLS(s))
return &ossl_dtls_record_method;
return &ossl_tls_record_method;
}
#ifndef OPENSSL_NO_KTLS
if (level == OSSL_RECORD_PROTECTION_LEVEL_APPLICATION
&& (s->options & SSL_OP_ENABLE_KTLS) != 0
&& (SSL_CONNECTION_IS_TLS13(s) || SSL_IS_FIRST_HANDSHAKE(s)))
return &ossl_ktls_record_method;
#endif
return direction == OSSL_RECORD_DIRECTION_READ ? s->rlayer.rrlmethod
: s->rlayer.wrlmethod;
}
static int ssl_post_record_layer_select(SSL_CONNECTION *s, int direction)
{
const OSSL_RECORD_METHOD *thismethod;
OSSL_RECORD_LAYER *thisrl;
if (direction == OSSL_RECORD_DIRECTION_READ) {
thismethod = s->rlayer.rrlmethod;
thisrl = s->rlayer.rrl;
} else {
thismethod = s->rlayer.wrlmethod;
thisrl = s->rlayer.wrl;
}
#ifndef OPENSSL_NO_KTLS
{
SSL *ssl = SSL_CONNECTION_GET_SSL(s);
if (s->rlayer.rrlmethod == &ossl_ktls_record_method) {
SSL_set_options(ssl, SSL_OP_NO_RENEGOTIATION);
}
}
#endif
if (SSL_IS_FIRST_HANDSHAKE(s) && thismethod->set_first_handshake != NULL)
thismethod->set_first_handshake(thisrl, 1);
if (s->max_pipelines != 0 && thismethod->set_max_pipelines != NULL)
thismethod->set_max_pipelines(thisrl, s->max_pipelines);
return 1;
}
int ssl_set_new_record_layer(SSL_CONNECTION *s, int version,
int direction, int level,
unsigned char *secret, size_t secretlen,
unsigned char *key, size_t keylen,
unsigned char *iv, size_t ivlen,
unsigned char *mackey, size_t mackeylen,
const EVP_CIPHER *ciph, size_t taglen,
int mactype, const EVP_MD *md,
const SSL_COMP *comp, const EVP_MD *kdfdigest)
{
OSSL_PARAM options[5], *opts = options;
OSSL_PARAM settings[6], *set = settings;
const OSSL_RECORD_METHOD **thismethod;
OSSL_RECORD_LAYER **thisrl, *newrl = NULL;
BIO *thisbio;
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(s);
const OSSL_RECORD_METHOD *meth;
int use_etm, stream_mac = 0, tlstree = 0;
unsigned int maxfrag = (direction == OSSL_RECORD_DIRECTION_WRITE)
? ssl_get_max_send_fragment(s)
: SSL3_RT_MAX_PLAIN_LENGTH;
int use_early_data = 0;
uint32_t max_early_data;
COMP_METHOD *compm = (comp == NULL) ? NULL : comp->method;
meth = ssl_select_next_record_layer(s, direction, level);
if (direction == OSSL_RECORD_DIRECTION_READ) {
thismethod = &s->rlayer.rrlmethod;
thisrl = &s->rlayer.rrl;
thisbio = s->rbio;
} else {
thismethod = &s->rlayer.wrlmethod;
thisrl = &s->rlayer.wrl;
thisbio = s->wbio;
}
if (meth == NULL)
meth = *thismethod;
if (!ossl_assert(meth != NULL)) {
ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
return 0;
}
*opts++ = OSSL_PARAM_construct_uint64(OSSL_LIBSSL_RECORD_LAYER_PARAM_OPTIONS,
&s->options);
*opts++ = OSSL_PARAM_construct_uint32(OSSL_LIBSSL_RECORD_LAYER_PARAM_MODE,
&s->mode);
if (direction == OSSL_RECORD_DIRECTION_READ) {
*opts++ = OSSL_PARAM_construct_size_t(OSSL_LIBSSL_RECORD_LAYER_READ_BUFFER_LEN,
&s->rlayer.default_read_buf_len);
*opts++ = OSSL_PARAM_construct_int(OSSL_LIBSSL_RECORD_LAYER_PARAM_READ_AHEAD,
&s->rlayer.read_ahead);
} else {
*opts++ = OSSL_PARAM_construct_size_t(OSSL_LIBSSL_RECORD_LAYER_PARAM_BLOCK_PADDING,
&s->rlayer.block_padding);
}
*opts = OSSL_PARAM_construct_end();
if (direction == OSSL_RECORD_DIRECTION_READ) {
use_etm = SSL_READ_ETM(s) ? 1 : 0;
if ((s->mac_flags & SSL_MAC_FLAG_READ_MAC_STREAM) != 0)
stream_mac = 1;
if ((s->mac_flags & SSL_MAC_FLAG_READ_MAC_TLSTREE) != 0)
tlstree = 1;
} else {
use_etm = SSL_WRITE_ETM(s) ? 1 : 0;
if ((s->mac_flags & SSL_MAC_FLAG_WRITE_MAC_STREAM) != 0)
stream_mac = 1;
if ((s->mac_flags & SSL_MAC_FLAG_WRITE_MAC_TLSTREE) != 0)
tlstree = 1;
}
if (use_etm)
*set++ = OSSL_PARAM_construct_int(OSSL_LIBSSL_RECORD_LAYER_PARAM_USE_ETM,
&use_etm);
if (stream_mac)
*set++ = OSSL_PARAM_construct_int(OSSL_LIBSSL_RECORD_LAYER_PARAM_STREAM_MAC,
&stream_mac);
if (tlstree)
*set++ = OSSL_PARAM_construct_int(OSSL_LIBSSL_RECORD_LAYER_PARAM_TLSTREE,
&tlstree);
if (direction == OSSL_RECORD_DIRECTION_READ
&& s->session != NULL
&& USE_MAX_FRAGMENT_LENGTH_EXT(s->session))
maxfrag = GET_MAX_FRAGMENT_LENGTH(s->session);
if (maxfrag != SSL3_RT_MAX_PLAIN_LENGTH)
*set++ = OSSL_PARAM_construct_uint(OSSL_LIBSSL_RECORD_LAYER_PARAM_MAX_FRAG_LEN,
&maxfrag);
if (s->server && direction == OSSL_RECORD_DIRECTION_READ) {
use_early_data = (level == OSSL_RECORD_PROTECTION_LEVEL_EARLY
|| level == OSSL_RECORD_PROTECTION_LEVEL_HANDSHAKE);
} else if (!s->server && direction == OSSL_RECORD_DIRECTION_WRITE) {
use_early_data = (level == OSSL_RECORD_PROTECTION_LEVEL_EARLY);
}
if (use_early_data) {
max_early_data = ossl_get_max_early_data(s);
if (max_early_data != 0)
*set++ = OSSL_PARAM_construct_uint32(OSSL_LIBSSL_RECORD_LAYER_PARAM_MAX_EARLY_DATA,
&max_early_data);
}
*set = OSSL_PARAM_construct_end();
for (;;) {
int rlret;
BIO *prev = NULL;
BIO *next = NULL;
unsigned int epoch = 0;
OSSL_DISPATCH rlayer_dispatch_tmp[OSSL_NELEM(rlayer_dispatch)];
size_t i, j;
if (direction == OSSL_RECORD_DIRECTION_READ) {
prev = s->rlayer.rrlnext;
if (SSL_CONNECTION_IS_DTLS(s)
&& level != OSSL_RECORD_PROTECTION_LEVEL_NONE)
epoch = dtls1_get_epoch(s, SSL3_CC_READ);
#ifndef OPENSSL_NO_DGRAM
if (SSL_CONNECTION_IS_DTLS(s))
next = BIO_new(BIO_s_dgram_mem());
else
#endif
next = BIO_new(BIO_s_mem());
if (next == NULL) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
s->rlayer.rrlnext = next;
} else {
if (SSL_CONNECTION_IS_DTLS(s)
&& level != OSSL_RECORD_PROTECTION_LEVEL_NONE)
epoch = dtls1_get_epoch(s, SSL3_CC_WRITE);
}
for (i = 0, j = 0; i < OSSL_NELEM(rlayer_dispatch); i++) {
switch (rlayer_dispatch[i].function_id) {
case OSSL_FUNC_RLAYER_MSG_CALLBACK:
if (s->msg_callback == NULL)
continue;
break;
case OSSL_FUNC_RLAYER_PADDING:
if (s->rlayer.record_padding_cb == NULL)
continue;
break;
default:
break;
}
rlayer_dispatch_tmp[j++] = rlayer_dispatch[i];
}
rlret = meth->new_record_layer(sctx->libctx, sctx->propq, version,
s->server, direction, level, epoch,
secret, secretlen, key, keylen, iv,
ivlen, mackey, mackeylen, ciph, taglen,
mactype, md, compm, kdfdigest, prev,
thisbio, next, NULL, NULL, settings,
options, rlayer_dispatch_tmp, s,
s->rlayer.rlarg, &newrl);
BIO_free(prev);
switch (rlret) {
case OSSL_RECORD_RETURN_FATAL:
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_RECORD_LAYER_FAILURE);
return 0;
case OSSL_RECORD_RETURN_NON_FATAL_ERR:
if (*thismethod != meth && *thismethod != NULL) {
meth = *thismethod;
continue;
}
SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_NO_SUITABLE_RECORD_LAYER);
return 0;
case OSSL_RECORD_RETURN_SUCCESS:
break;
default:
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
break;
}
if (!SSL_CONNECTION_IS_DTLS(s)
|| direction == OSSL_RECORD_DIRECTION_READ
|| pqueue_peek(s->d1->sent_messages) == NULL) {
if (*thismethod != NULL && !(*thismethod)->free(*thisrl)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
}
*thisrl = newrl;
*thismethod = meth;
return ssl_post_record_layer_select(s, direction);
}
int ssl_set_record_protocol_version(SSL_CONNECTION *s, int vers)
{
if (!ossl_assert(s->rlayer.rrlmethod != NULL)
|| !ossl_assert(s->rlayer.wrlmethod != NULL))
return 0;
s->rlayer.rrlmethod->set_protocol_version(s->rlayer.rrl, s->version);
s->rlayer.wrlmethod->set_protocol_version(s->rlayer.wrl, s->version);
return 1;
}
| record | openssl/ssl/record/rec_layer_s3.c | openssl |
#include <stdio.h>
#include <errno.h>
#include "../ssl_local.h"
#include <openssl/evp.h>
#include <openssl/buffer.h>
#include "record_local.h"
#include "internal/packet.h"
#include "internal/cryptlib.h"
int DTLS_RECORD_LAYER_new(RECORD_LAYER *rl)
{
DTLS_RECORD_LAYER *d;
if ((d = OPENSSL_malloc(sizeof(*d))) == NULL)
return 0;
rl->d = d;
d->buffered_app_data = pqueue_new();
if (d->buffered_app_data == NULL) {
OPENSSL_free(d);
rl->d = NULL;
return 0;
}
return 1;
}
void DTLS_RECORD_LAYER_free(RECORD_LAYER *rl)
{
if (rl->d == NULL)
return;
DTLS_RECORD_LAYER_clear(rl);
pqueue_free(rl->d->buffered_app_data);
OPENSSL_free(rl->d);
rl->d = NULL;
}
void DTLS_RECORD_LAYER_clear(RECORD_LAYER *rl)
{
DTLS_RECORD_LAYER *d;
pitem *item = NULL;
TLS_RECORD *rec;
pqueue *buffered_app_data;
d = rl->d;
while ((item = pqueue_pop(d->buffered_app_data)) != NULL) {
rec = (TLS_RECORD *)item->data;
if (rl->s->options & SSL_OP_CLEANSE_PLAINTEXT)
OPENSSL_cleanse(rec->allocdata, rec->length);
OPENSSL_free(rec->allocdata);
OPENSSL_free(item->data);
pitem_free(item);
}
buffered_app_data = d->buffered_app_data;
memset(d, 0, sizeof(*d));
d->buffered_app_data = buffered_app_data;
}
static int dtls_buffer_record(SSL_CONNECTION *s, TLS_RECORD *rec)
{
TLS_RECORD *rdata;
pitem *item;
struct pqueue_st *queue = s->rlayer.d->buffered_app_data;
if (pqueue_size(queue) >= 100)
return 0;
if (!ossl_assert(rec->off == 0))
return -1;
rdata = OPENSSL_malloc(sizeof(*rdata));
item = pitem_new(rec->seq_num, rdata);
if (rdata == NULL || item == NULL) {
OPENSSL_free(rdata);
pitem_free(item);
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return -1;
}
*rdata = *rec;
rdata->data = rdata->allocdata = OPENSSL_memdup(rec->data, rec->length);
if (rdata->data == NULL) {
OPENSSL_free(rdata);
pitem_free(item);
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CRYPTO_LIB);
return -1;
}
rdata->rechandle = NULL;
item->data = rdata;
#ifndef OPENSSL_NO_SCTP
if (BIO_dgram_is_sctp(s->rbio) &&
(ossl_statem_get_state(s) == TLS_ST_SR_FINISHED
|| ossl_statem_get_state(s) == TLS_ST_CR_FINISHED)) {
BIO_ctrl(s->rbio, BIO_CTRL_DGRAM_SCTP_GET_RCVINFO,
sizeof(rdata->recordinfo), &rdata->recordinfo);
}
#endif
if (pqueue_insert(queue, item) == NULL) {
OPENSSL_free(rdata->allocdata);
OPENSSL_free(rdata);
pitem_free(item);
}
return 1;
}
static void dtls_unbuffer_record(SSL_CONNECTION *s)
{
TLS_RECORD *rdata;
pitem *item;
if (s->rlayer.curr_rec < s->rlayer.num_recs)
return;
item = pqueue_pop(s->rlayer.d->buffered_app_data);
if (item != NULL) {
rdata = (TLS_RECORD *)item->data;
s->rlayer.tlsrecs[0] = *rdata;
s->rlayer.num_recs = 1;
s->rlayer.curr_rec = 0;
#ifndef OPENSSL_NO_SCTP
if (BIO_dgram_is_sctp(s->rbio)) {
BIO_ctrl(s->rbio, BIO_CTRL_DGRAM_SCTP_SET_RCVINFO,
sizeof(rdata->recordinfo), &rdata->recordinfo);
}
#endif
OPENSSL_free(item->data);
pitem_free(item);
}
}
int dtls1_read_bytes(SSL *s, uint8_t type, uint8_t *recvd_type,
unsigned char *buf, size_t len,
int peek, size_t *readbytes)
{
int i, j, ret;
size_t n;
TLS_RECORD *rr;
void (*cb) (const SSL *ssl, int type2, int val) = NULL;
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
if (sc == NULL)
return -1;
if ((type && (type != SSL3_RT_APPLICATION_DATA) &&
(type != SSL3_RT_HANDSHAKE)) ||
(peek && (type != SSL3_RT_APPLICATION_DATA))) {
SSLfatal(sc, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return -1;
}
if (!ossl_statem_get_in_handshake(sc) && SSL_in_init(s)) {
i = sc->handshake_func(s);
if (i < 0)
return i;
if (i == 0)
return -1;
}
start:
sc->rwstate = SSL_NOTHING;
if (SSL_is_init_finished(s))
dtls_unbuffer_record(sc);
if (dtls1_handle_timeout(sc) > 0) {
goto start;
} else if (ossl_statem_in_error(sc)) {
return -1;
}
if (sc->rlayer.curr_rec >= sc->rlayer.num_recs) {
sc->rlayer.curr_rec = sc->rlayer.num_recs = 0;
do {
rr = &sc->rlayer.tlsrecs[sc->rlayer.num_recs];
ret = HANDLE_RLAYER_READ_RETURN(sc,
sc->rlayer.rrlmethod->read_record(sc->rlayer.rrl,
&rr->rechandle,
&rr->version, &rr->type,
&rr->data, &rr->length,
&rr->epoch, rr->seq_num));
if (ret <= 0) {
ret = dtls1_read_failed(sc, ret);
if (ret <= 0)
return ret;
else
goto start;
}
rr->off = 0;
sc->rlayer.num_recs++;
} while (sc->rlayer.rrlmethod->processed_read_pending(sc->rlayer.rrl)
&& sc->rlayer.num_recs < SSL_MAX_PIPELINES);
}
rr = &sc->rlayer.tlsrecs[sc->rlayer.curr_rec];
if (rr->type != SSL3_RT_ALERT && rr->length != 0)
sc->rlayer.alert_count = 0;
if (sc->s3.change_cipher_spec
&& (rr->type != SSL3_RT_HANDSHAKE)) {
if (dtls_buffer_record(sc, rr) < 0) {
return -1;
}
if (!ssl_release_record(sc, rr, 0))
return -1;
goto start;
}
if (sc->shutdown & SSL_RECEIVED_SHUTDOWN) {
if (!ssl_release_record(sc, rr, 0))
return -1;
sc->rwstate = SSL_NOTHING;
return 0;
}
if (type == rr->type
|| (rr->type == SSL3_RT_CHANGE_CIPHER_SPEC
&& type == SSL3_RT_HANDSHAKE && recvd_type != NULL)) {
if (SSL_in_init(s) && (type == SSL3_RT_APPLICATION_DATA)
&& (SSL_IS_FIRST_HANDSHAKE(sc))) {
SSLfatal(sc, SSL_AD_UNEXPECTED_MESSAGE,
SSL_R_APP_DATA_IN_HANDSHAKE);
return -1;
}
if (recvd_type != NULL)
*recvd_type = rr->type;
if (len == 0) {
if (rr->length == 0 && !ssl_release_record(sc, rr, 0))
return -1;
return 0;
}
if (len > rr->length)
n = rr->length;
else
n = len;
memcpy(buf, &(rr->data[rr->off]), n);
if (peek) {
if (rr->length == 0 && !ssl_release_record(sc, rr, 0))
return -1;
} else {
if (!ssl_release_record(sc, rr, n))
return -1;
}
#ifndef OPENSSL_NO_SCTP
if (BIO_dgram_is_sctp(SSL_get_rbio(s)) &&
sc->d1->shutdown_received
&& BIO_dgram_sctp_msg_waiting(SSL_get_rbio(s)) <= 0) {
sc->shutdown |= SSL_RECEIVED_SHUTDOWN;
return 0;
}
#endif
*readbytes = n;
return 1;
}
if (rr->type == SSL3_RT_ALERT) {
unsigned int alert_level, alert_descr;
const unsigned char *alert_bytes = rr->data + rr->off;
PACKET alert;
if (!PACKET_buf_init(&alert, alert_bytes, rr->length)
|| !PACKET_get_1(&alert, &alert_level)
|| !PACKET_get_1(&alert, &alert_descr)
|| PACKET_remaining(&alert) != 0) {
SSLfatal(sc, SSL_AD_UNEXPECTED_MESSAGE, SSL_R_INVALID_ALERT);
return -1;
}
if (sc->msg_callback)
sc->msg_callback(0, sc->version, SSL3_RT_ALERT, alert_bytes, 2, s,
sc->msg_callback_arg);
if (sc->info_callback != NULL)
cb = sc->info_callback;
else if (s->ctx->info_callback != NULL)
cb = s->ctx->info_callback;
if (cb != NULL) {
j = (alert_level << 8) | alert_descr;
cb(s, SSL_CB_READ_ALERT, j);
}
if (alert_level == SSL3_AL_WARNING) {
sc->s3.warn_alert = alert_descr;
if (!ssl_release_record(sc, rr, 0))
return -1;
sc->rlayer.alert_count++;
if (sc->rlayer.alert_count == MAX_WARN_ALERT_COUNT) {
SSLfatal(sc, SSL_AD_UNEXPECTED_MESSAGE,
SSL_R_TOO_MANY_WARN_ALERTS);
return -1;
}
if (alert_descr == SSL_AD_CLOSE_NOTIFY) {
#ifndef OPENSSL_NO_SCTP
if (BIO_dgram_is_sctp(SSL_get_rbio(s)) &&
BIO_dgram_sctp_msg_waiting(SSL_get_rbio(s)) > 0) {
sc->d1->shutdown_received = 1;
sc->rwstate = SSL_READING;
BIO_clear_retry_flags(SSL_get_rbio(s));
BIO_set_retry_read(SSL_get_rbio(s));
return -1;
}
#endif
sc->shutdown |= SSL_RECEIVED_SHUTDOWN;
return 0;
}
} else if (alert_level == SSL3_AL_FATAL) {
sc->rwstate = SSL_NOTHING;
sc->s3.fatal_alert = alert_descr;
SSLfatal_data(sc, SSL_AD_NO_ALERT,
SSL_AD_REASON_OFFSET + alert_descr,
"SSL alert number %d", alert_descr);
sc->shutdown |= SSL_RECEIVED_SHUTDOWN;
if (!ssl_release_record(sc, rr, 0))
return -1;
SSL_CTX_remove_session(sc->session_ctx, sc->session);
return 0;
} else {
SSLfatal(sc, SSL_AD_ILLEGAL_PARAMETER, SSL_R_UNKNOWN_ALERT_TYPE);
return -1;
}
goto start;
}
if (sc->shutdown & SSL_SENT_SHUTDOWN) {
sc->rwstate = SSL_NOTHING;
if (!ssl_release_record(sc, rr, 0))
return -1;
return 0;
}
if (rr->type == SSL3_RT_CHANGE_CIPHER_SPEC) {
if (!ssl_release_record(sc, rr, 0))
return -1;
goto start;
}
if (rr->type == SSL3_RT_HANDSHAKE && !ossl_statem_get_in_handshake(sc)) {
struct hm_header_st msg_hdr;
if (rr->epoch != sc->rlayer.d->r_epoch
|| rr->length < DTLS1_HM_HEADER_LENGTH) {
if (!ssl_release_record(sc, rr, 0))
return -1;
goto start;
}
dtls1_get_message_header(rr->data, &msg_hdr);
if (msg_hdr.type == SSL3_MT_FINISHED) {
if (dtls1_check_timeout_num(sc) < 0) {
return -1;
}
if (dtls1_retransmit_buffered_messages(sc) <= 0) {
if (ossl_statem_in_error(sc))
return -1;
}
if (!ssl_release_record(sc, rr, 0))
return -1;
if (!(sc->mode & SSL_MODE_AUTO_RETRY)) {
if (!sc->rlayer.rrlmethod->unprocessed_read_pending(sc->rlayer.rrl)) {
BIO *bio;
sc->rwstate = SSL_READING;
bio = SSL_get_rbio(s);
BIO_clear_retry_flags(bio);
BIO_set_retry_read(bio);
return -1;
}
}
goto start;
}
if (!ossl_assert(SSL_is_init_finished(s))) {
SSLfatal(sc, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return -1;
}
ossl_statem_set_in_init(sc, 1);
i = sc->handshake_func(s);
if (i < 0)
return i;
if (i == 0)
return -1;
if (!(sc->mode & SSL_MODE_AUTO_RETRY)) {
if (!sc->rlayer.rrlmethod->unprocessed_read_pending(sc->rlayer.rrl)) {
BIO *bio;
sc->rwstate = SSL_READING;
bio = SSL_get_rbio(s);
BIO_clear_retry_flags(bio);
BIO_set_retry_read(bio);
return -1;
}
}
goto start;
}
switch (rr->type) {
default:
SSLfatal(sc, SSL_AD_UNEXPECTED_MESSAGE, SSL_R_UNEXPECTED_RECORD);
return -1;
case SSL3_RT_CHANGE_CIPHER_SPEC:
case SSL3_RT_ALERT:
case SSL3_RT_HANDSHAKE:
SSLfatal(sc, SSL_AD_UNEXPECTED_MESSAGE, ERR_R_INTERNAL_ERROR);
return -1;
case SSL3_RT_APPLICATION_DATA:
if (sc->s3.in_read_app_data &&
(sc->s3.total_renegotiations != 0) &&
ossl_statem_app_data_allowed(sc)) {
sc->s3.in_read_app_data = 2;
return -1;
} else {
SSLfatal(sc, SSL_AD_UNEXPECTED_MESSAGE, SSL_R_UNEXPECTED_RECORD);
return -1;
}
}
}
int dtls1_write_bytes(SSL_CONNECTION *s, uint8_t type, const void *buf,
size_t len, size_t *written)
{
int i;
if (!ossl_assert(len <= SSL3_RT_MAX_PLAIN_LENGTH)) {
SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return -1;
}
s->rwstate = SSL_NOTHING;
i = do_dtls1_write(s, type, buf, len, written);
return i;
}
int do_dtls1_write(SSL_CONNECTION *sc, uint8_t type, const unsigned char *buf,
size_t len, size_t *written)
{
int i;
OSSL_RECORD_TEMPLATE tmpl;
SSL *s = SSL_CONNECTION_GET_SSL(sc);
int ret;
if (sc->s3.alert_dispatch > 0) {
i = s->method->ssl_dispatch_alert(s);
if (i <= 0)
return i;
}
if (len == 0)
return 0;
if (len > ssl_get_max_send_fragment(sc)) {
SSLfatal(sc, SSL_AD_INTERNAL_ERROR, SSL_R_EXCEEDS_MAX_FRAGMENT_SIZE);
return 0;
}
tmpl.type = type;
if (s->method->version == DTLS_ANY_VERSION
&& sc->max_proto_version != DTLS1_BAD_VER)
tmpl.version = DTLS1_VERSION;
else
tmpl.version = sc->version;
tmpl.buf = buf;
tmpl.buflen = len;
ret = HANDLE_RLAYER_WRITE_RETURN(sc,
sc->rlayer.wrlmethod->write_records(sc->rlayer.wrl, &tmpl, 1));
if (ret > 0)
*written = (int)len;
return ret;
}
void dtls1_increment_epoch(SSL_CONNECTION *s, int rw)
{
if (rw & SSL3_CC_READ) {
s->rlayer.d->r_epoch++;
dtls1_clear_received_buffer(s);
} else {
s->rlayer.d->w_epoch++;
}
}
uint16_t dtls1_get_epoch(SSL_CONNECTION *s, int rw) {
uint16_t epoch;
if (rw & SSL3_CC_READ)
epoch = s->rlayer.d->r_epoch;
else
epoch = s->rlayer.d->w_epoch;
return epoch;
}
| record | openssl/ssl/record/rec_layer_d1.c | openssl |
#include <assert.h>
#include "../../ssl_local.h"
#include "../record_local.h"
#include "recmethod_local.h"
static int satsub64be(const unsigned char *v1, const unsigned char *v2)
{
int64_t ret;
uint64_t l1, l2;
n2l8(v1, l1);
n2l8(v2, l2);
ret = l1 - l2;
if (l1 > l2 && ret < 0)
return 128;
else if (l2 > l1 && ret > 0)
return -128;
if (ret > 128)
return 128;
else if (ret < -128)
return -128;
else
return (int)ret;
}
static int dtls_record_replay_check(OSSL_RECORD_LAYER *rl, DTLS_BITMAP *bitmap)
{
int cmp;
unsigned int shift;
const unsigned char *seq = rl->sequence;
cmp = satsub64be(seq, bitmap->max_seq_num);
if (cmp > 0) {
ossl_tls_rl_record_set_seq_num(&rl->rrec[0], seq);
return 1;
}
shift = -cmp;
if (shift >= sizeof(bitmap->map) * 8)
return 0;
else if (bitmap->map & ((uint64_t)1 << shift))
return 0;
ossl_tls_rl_record_set_seq_num(&rl->rrec[0], seq);
return 1;
}
static void dtls_record_bitmap_update(OSSL_RECORD_LAYER *rl,
DTLS_BITMAP *bitmap)
{
int cmp;
unsigned int shift;
const unsigned char *seq = rl->sequence;
cmp = satsub64be(seq, bitmap->max_seq_num);
if (cmp > 0) {
shift = cmp;
if (shift < sizeof(bitmap->map) * 8)
bitmap->map <<= shift, bitmap->map |= 1UL;
else
bitmap->map = 1UL;
memcpy(bitmap->max_seq_num, seq, SEQ_NUM_SIZE);
} else {
shift = -cmp;
if (shift < sizeof(bitmap->map) * 8)
bitmap->map |= (uint64_t)1 << shift;
}
}
static DTLS_BITMAP *dtls_get_bitmap(OSSL_RECORD_LAYER *rl, TLS_RL_RECORD *rr,
unsigned int *is_next_epoch)
{
*is_next_epoch = 0;
if (rr->epoch == rl->epoch)
return &rl->bitmap;
else if (rr->epoch == rl->epoch + 1) {
*is_next_epoch = 1;
return &rl->next_bitmap;
}
return NULL;
}
static void dtls_set_in_init(OSSL_RECORD_LAYER *rl, int in_init)
{
rl->in_init = in_init;
}
static int dtls_process_record(OSSL_RECORD_LAYER *rl, DTLS_BITMAP *bitmap)
{
int i;
int enc_err;
TLS_RL_RECORD *rr;
int imac_size;
size_t mac_size = 0;
unsigned char md[EVP_MAX_MD_SIZE];
SSL_MAC_BUF macbuf = { NULL, 0 };
int ret = 0;
rr = &rl->rrec[0];
rr->input = &(rl->packet[DTLS1_RT_HEADER_LENGTH]);
if (rr->length > SSL3_RT_MAX_ENCRYPTED_LENGTH) {
RLAYERfatal(rl, SSL_AD_RECORD_OVERFLOW, SSL_R_ENCRYPTED_LENGTH_TOO_LONG);
return 0;
}
rr->data = rr->input;
rr->orig_len = rr->length;
if (rl->md_ctx != NULL) {
const EVP_MD *tmpmd = EVP_MD_CTX_get0_md(rl->md_ctx);
if (tmpmd != NULL) {
imac_size = EVP_MD_get_size(tmpmd);
if (!ossl_assert(imac_size >= 0 && imac_size <= EVP_MAX_MD_SIZE)) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB);
return 0;
}
mac_size = (size_t)imac_size;
}
}
if (rl->use_etm && rl->md_ctx != NULL) {
unsigned char *mac;
if (rr->orig_len < mac_size) {
RLAYERfatal(rl, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_TOO_SHORT);
return 0;
}
rr->length -= mac_size;
mac = rr->data + rr->length;
i = rl->funcs->mac(rl, rr, md, 0 );
if (i == 0 || CRYPTO_memcmp(md, mac, (size_t)mac_size) != 0) {
RLAYERfatal(rl, SSL_AD_BAD_RECORD_MAC,
SSL_R_DECRYPTION_FAILED_OR_BAD_RECORD_MAC);
return 0;
}
mac_size = 0;
}
ERR_set_mark();
enc_err = rl->funcs->cipher(rl, rr, 1, 0, &macbuf, mac_size);
if (enc_err == 0) {
ERR_pop_to_mark();
if (rl->alert != SSL_AD_NO_ALERT) {
goto end;
}
rr->length = 0;
rl->packet_length = 0;
goto end;
}
ERR_clear_last_mark();
OSSL_TRACE_BEGIN(TLS) {
BIO_printf(trc_out, "dec %zd\n", rr->length);
BIO_dump_indent(trc_out, rr->data, rr->length, 4);
} OSSL_TRACE_END(TLS);
if (!rl->use_etm
&& (rl->enc_ctx != NULL)
&& (EVP_MD_CTX_get0_md(rl->md_ctx) != NULL)) {
i = rl->funcs->mac(rl, rr, md, 0 );
if (i == 0 || macbuf.mac == NULL
|| CRYPTO_memcmp(md, macbuf.mac, mac_size) != 0)
enc_err = 0;
if (rr->length > SSL3_RT_MAX_COMPRESSED_LENGTH + mac_size)
enc_err = 0;
}
if (enc_err == 0) {
rr->length = 0;
rl->packet_length = 0;
goto end;
}
if (rl->compctx != NULL) {
if (rr->length > SSL3_RT_MAX_COMPRESSED_LENGTH) {
RLAYERfatal(rl, SSL_AD_RECORD_OVERFLOW,
SSL_R_COMPRESSED_LENGTH_TOO_LONG);
goto end;
}
if (!tls_do_uncompress(rl, rr)) {
RLAYERfatal(rl, SSL_AD_DECOMPRESSION_FAILURE, SSL_R_BAD_DECOMPRESSION);
goto end;
}
}
if (rr->length > rl->max_frag_len) {
RLAYERfatal(rl, SSL_AD_RECORD_OVERFLOW, SSL_R_DATA_LENGTH_TOO_LONG);
goto end;
}
rr->off = 0;
rl->packet_length = 0;
dtls_record_bitmap_update(rl, bitmap);
ret = 1;
end:
if (macbuf.alloced)
OPENSSL_free(macbuf.mac);
return ret;
}
static int dtls_rlayer_buffer_record(OSSL_RECORD_LAYER *rl, struct pqueue_st *queue,
unsigned char *priority)
{
DTLS_RLAYER_RECORD_DATA *rdata;
pitem *item;
if (pqueue_size(queue) >= 100)
return 0;
rdata = OPENSSL_malloc(sizeof(*rdata));
item = pitem_new(priority, rdata);
if (rdata == NULL || item == NULL) {
OPENSSL_free(rdata);
pitem_free(item);
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return -1;
}
rdata->packet = rl->packet;
rdata->packet_length = rl->packet_length;
memcpy(&(rdata->rbuf), &rl->rbuf, sizeof(TLS_BUFFER));
memcpy(&(rdata->rrec), &rl->rrec[0], sizeof(TLS_RL_RECORD));
item->data = rdata;
rl->packet = NULL;
rl->packet_length = 0;
memset(&rl->rbuf, 0, sizeof(TLS_BUFFER));
memset(&rl->rrec[0], 0, sizeof(rl->rrec[0]));
if (!tls_setup_read_buffer(rl)) {
OPENSSL_free(rdata->rbuf.buf);
OPENSSL_free(rdata);
pitem_free(item);
return -1;
}
if (pqueue_insert(queue, item) == NULL) {
OPENSSL_free(rdata->rbuf.buf);
OPENSSL_free(rdata);
pitem_free(item);
}
return 1;
}
static int dtls_copy_rlayer_record(OSSL_RECORD_LAYER *rl, pitem *item)
{
DTLS_RLAYER_RECORD_DATA *rdata;
rdata = (DTLS_RLAYER_RECORD_DATA *)item->data;
ossl_tls_buffer_release(&rl->rbuf);
rl->packet = rdata->packet;
rl->packet_length = rdata->packet_length;
memcpy(&rl->rbuf, &(rdata->rbuf), sizeof(TLS_BUFFER));
memcpy(&rl->rrec[0], &(rdata->rrec), sizeof(TLS_RL_RECORD));
memcpy(&(rl->sequence[2]), &(rdata->packet[5]), 6);
return 1;
}
static int dtls_retrieve_rlayer_buffered_record(OSSL_RECORD_LAYER *rl,
struct pqueue_st *queue)
{
pitem *item;
item = pqueue_pop(queue);
if (item) {
dtls_copy_rlayer_record(rl, item);
OPENSSL_free(item->data);
pitem_free(item);
return 1;
}
return 0;
}
int dtls_get_more_records(OSSL_RECORD_LAYER *rl)
{
int ssl_major, ssl_minor;
int rret;
size_t more, n;
TLS_RL_RECORD *rr;
unsigned char *p = NULL;
DTLS_BITMAP *bitmap;
unsigned int is_next_epoch;
rl->num_recs = 0;
rl->curr_rec = 0;
rl->num_released = 0;
rr = rl->rrec;
if (rl->rbuf.buf == NULL) {
if (!tls_setup_read_buffer(rl)) {
return OSSL_RECORD_RETURN_FATAL;
}
}
again:
if (dtls_retrieve_rlayer_buffered_record(rl, rl->processed_rcds)) {
rl->num_recs = 1;
return OSSL_RECORD_RETURN_SUCCESS;
}
if ((rl->rstate != SSL_ST_READ_BODY) ||
(rl->packet_length < DTLS1_RT_HEADER_LENGTH)) {
rret = rl->funcs->read_n(rl, DTLS1_RT_HEADER_LENGTH,
TLS_BUFFER_get_len(&rl->rbuf), 0, 1, &n);
if (rret < OSSL_RECORD_RETURN_SUCCESS) {
return rret;
}
if (rl->packet_length != DTLS1_RT_HEADER_LENGTH) {
rl->packet_length = 0;
goto again;
}
rl->rstate = SSL_ST_READ_BODY;
p = rl->packet;
rr->type = *(p++);
ssl_major = *(p++);
ssl_minor = *(p++);
rr->rec_version = (ssl_major << 8) | ssl_minor;
n2s(p, rr->epoch);
memcpy(&(rl->sequence[2]), p, 6);
p += 6;
n2s(p, rr->length);
if (rl->msg_callback != NULL)
rl->msg_callback(0, rr->rec_version, SSL3_RT_HEADER, rl->packet, DTLS1_RT_HEADER_LENGTH,
rl->cbarg);
if (!rl->is_first_record && rr->type != SSL3_RT_ALERT) {
if (rr->rec_version != rl->version) {
rr->length = 0;
rl->packet_length = 0;
goto again;
}
}
if (ssl_major !=
(rl->version == DTLS_ANY_VERSION ? DTLS1_VERSION_MAJOR
: rl->version >> 8)) {
rr->length = 0;
rl->packet_length = 0;
goto again;
}
if (rr->length > SSL3_RT_MAX_ENCRYPTED_LENGTH) {
rr->length = 0;
rl->packet_length = 0;
goto again;
}
if (rr->length > rl->max_frag_len + SSL3_RT_MAX_ENCRYPTED_OVERHEAD) {
rr->length = 0;
rl->packet_length = 0;
goto again;
}
}
if (rr->length > rl->packet_length - DTLS1_RT_HEADER_LENGTH) {
more = rr->length;
rret = rl->funcs->read_n(rl, more, more, 1, 1, &n);
if (rret < OSSL_RECORD_RETURN_SUCCESS || n != more) {
if (rl->alert != SSL_AD_NO_ALERT) {
return OSSL_RECORD_RETURN_FATAL;
}
rr->length = 0;
rl->packet_length = 0;
goto again;
}
}
rl->rstate = SSL_ST_READ_HEADER;
bitmap = dtls_get_bitmap(rl, rr, &is_next_epoch);
if (bitmap == NULL) {
rr->length = 0;
rl->packet_length = 0;
goto again;
}
#ifndef OPENSSL_NO_SCTP
if (!BIO_dgram_is_sctp(rl->bio)) {
#endif
if (!dtls_record_replay_check(rl, bitmap)) {
rr->length = 0;
rl->packet_length = 0;
goto again;
}
#ifndef OPENSSL_NO_SCTP
}
#endif
if (rr->length == 0)
goto again;
if (is_next_epoch) {
if (rl->in_init) {
if (dtls_rlayer_buffer_record(rl, rl->unprocessed_rcds,
rr->seq_num) < 0) {
return OSSL_RECORD_RETURN_FATAL;
}
}
rr->length = 0;
rl->packet_length = 0;
goto again;
}
if (!dtls_process_record(rl, bitmap)) {
if (rl->alert != SSL_AD_NO_ALERT) {
return OSSL_RECORD_RETURN_FATAL;
}
rr->length = 0;
rl->packet_length = 0;
goto again;
}
if (rl->funcs->post_process_record && !rl->funcs->post_process_record(rl, rr)) {
return OSSL_RECORD_RETURN_FATAL;
}
rl->num_recs = 1;
return OSSL_RECORD_RETURN_SUCCESS;
}
static int dtls_free(OSSL_RECORD_LAYER *rl)
{
TLS_BUFFER *rbuf;
size_t left, written;
pitem *item;
DTLS_RLAYER_RECORD_DATA *rdata;
int ret = 1;
rbuf = &rl->rbuf;
left = rbuf->left;
if (left > 0) {
ret = BIO_write_ex(rl->next, rbuf->buf + rbuf->offset, left, &written);
rbuf->left = 0;
}
if (rl->unprocessed_rcds != NULL) {
while ((item = pqueue_pop(rl->unprocessed_rcds)) != NULL) {
rdata = (DTLS_RLAYER_RECORD_DATA *)item->data;
ret &= BIO_write_ex(rl->next, rdata->packet, rdata->packet_length,
&written);
OPENSSL_free(rdata->rbuf.buf);
OPENSSL_free(item->data);
pitem_free(item);
}
pqueue_free(rl->unprocessed_rcds);
}
if (rl->processed_rcds!= NULL) {
while ((item = pqueue_pop(rl->processed_rcds)) != NULL) {
rdata = (DTLS_RLAYER_RECORD_DATA *)item->data;
OPENSSL_free(rdata->rbuf.buf);
OPENSSL_free(item->data);
pitem_free(item);
}
pqueue_free(rl->processed_rcds);
}
return tls_free(rl) && ret;
}
static int
dtls_new_record_layer(OSSL_LIB_CTX *libctx, const char *propq, int vers,
int role, int direction, int level, uint16_t epoch,
unsigned char *secret, size_t secretlen,
unsigned char *key, size_t keylen, unsigned char *iv,
size_t ivlen, unsigned char *mackey, size_t mackeylen,
const EVP_CIPHER *ciph, size_t taglen,
int mactype,
const EVP_MD *md, COMP_METHOD *comp,
const EVP_MD *kdfdigest, BIO *prev, BIO *transport,
BIO *next, BIO_ADDR *local, BIO_ADDR *peer,
const OSSL_PARAM *settings, const OSSL_PARAM *options,
const OSSL_DISPATCH *fns, void *cbarg, void *rlarg,
OSSL_RECORD_LAYER **retrl)
{
int ret;
ret = tls_int_new_record_layer(libctx, propq, vers, role, direction, level,
ciph, taglen, md, comp, prev,
transport, next, settings,
options, fns, cbarg, retrl);
if (ret != OSSL_RECORD_RETURN_SUCCESS)
return ret;
(*retrl)->unprocessed_rcds = pqueue_new();
(*retrl)->processed_rcds = pqueue_new();
if ((*retrl)->unprocessed_rcds == NULL
|| (*retrl)->processed_rcds == NULL) {
dtls_free(*retrl);
*retrl = NULL;
ERR_raise(ERR_LIB_SSL, ERR_R_SSL_LIB);
return OSSL_RECORD_RETURN_FATAL;
}
(*retrl)->isdtls = 1;
(*retrl)->epoch = epoch;
(*retrl)->in_init = 1;
switch (vers) {
case DTLS_ANY_VERSION:
(*retrl)->funcs = &dtls_any_funcs;
break;
case DTLS1_2_VERSION:
case DTLS1_VERSION:
case DTLS1_BAD_VER:
(*retrl)->funcs = &dtls_1_funcs;
break;
default:
ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
ret = OSSL_RECORD_RETURN_FATAL;
goto err;
}
ret = (*retrl)->funcs->set_crypto_state(*retrl, level, key, keylen, iv,
ivlen, mackey, mackeylen, ciph,
taglen, mactype, md, comp);
err:
if (ret != OSSL_RECORD_RETURN_SUCCESS) {
dtls_free(*retrl);
*retrl = NULL;
}
return ret;
}
int dtls_prepare_record_header(OSSL_RECORD_LAYER *rl,
WPACKET *thispkt,
OSSL_RECORD_TEMPLATE *templ,
uint8_t rectype,
unsigned char **recdata)
{
size_t maxcomplen;
*recdata = NULL;
maxcomplen = templ->buflen;
if (rl->compctx != NULL)
maxcomplen += SSL3_RT_MAX_COMPRESSED_OVERHEAD;
if (!WPACKET_put_bytes_u8(thispkt, rectype)
|| !WPACKET_put_bytes_u16(thispkt, templ->version)
|| !WPACKET_put_bytes_u16(thispkt, rl->epoch)
|| !WPACKET_memcpy(thispkt, &(rl->sequence[2]), 6)
|| !WPACKET_start_sub_packet_u16(thispkt)
|| (rl->eivlen > 0
&& !WPACKET_allocate_bytes(thispkt, rl->eivlen, NULL))
|| (maxcomplen > 0
&& !WPACKET_reserve_bytes(thispkt, maxcomplen,
recdata))) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
return 1;
}
int dtls_post_encryption_processing(OSSL_RECORD_LAYER *rl,
size_t mac_size,
OSSL_RECORD_TEMPLATE *thistempl,
WPACKET *thispkt,
TLS_RL_RECORD *thiswr)
{
if (!tls_post_encryption_processing_default(rl, mac_size, thistempl,
thispkt, thiswr)) {
return 0;
}
return tls_increment_sequence_ctr(rl);
}
static size_t dtls_get_max_record_overhead(OSSL_RECORD_LAYER *rl)
{
size_t blocksize = 0;
if (rl->enc_ctx != NULL &&
(EVP_CIPHER_CTX_get_mode(rl->enc_ctx) == EVP_CIPH_CBC_MODE))
blocksize = EVP_CIPHER_CTX_get_block_size(rl->enc_ctx);
assert(rl->enc_ctx == NULL || ((blocksize == 0 || rl->eivlen > 0)
&& rl->taglen > 0));
assert(rl->md == NULL || (int)rl->taglen == EVP_MD_size(rl->md));
return DTLS1_RT_HEADER_LENGTH + rl->eivlen + blocksize + rl->taglen;
}
const OSSL_RECORD_METHOD ossl_dtls_record_method = {
dtls_new_record_layer,
dtls_free,
tls_unprocessed_read_pending,
tls_processed_read_pending,
tls_app_data_pending,
tls_get_max_records,
tls_write_records,
tls_retry_write_records,
tls_read_record,
tls_release_record,
tls_get_alert_code,
tls_set1_bio,
tls_set_protocol_version,
NULL,
tls_set_first_handshake,
tls_set_max_pipelines,
dtls_set_in_init,
tls_get_state,
tls_set_options,
tls_get_compression,
tls_set_max_frag_len,
dtls_get_max_record_overhead,
tls_increment_sequence_ctr,
tls_alloc_buffers,
tls_free_buffers
};
| methods | openssl/ssl/record/methods/dtls_meth.c | openssl |
#include <openssl/evp.h>
#include <openssl/core_names.h>
#include "../../ssl_local.h"
#include "../record_local.h"
#include "recmethod_local.h"
static int tls13_set_crypto_state(OSSL_RECORD_LAYER *rl, int level,
unsigned char *key, size_t keylen,
unsigned char *iv, size_t ivlen,
unsigned char *mackey, size_t mackeylen,
const EVP_CIPHER *ciph,
size_t taglen,
int mactype,
const EVP_MD *md,
COMP_METHOD *comp)
{
EVP_CIPHER_CTX *ciph_ctx;
int mode;
int enc = (rl->direction == OSSL_RECORD_DIRECTION_WRITE) ? 1 : 0;
if (ivlen > sizeof(rl->iv)) {
ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
return OSSL_RECORD_RETURN_FATAL;
}
memcpy(rl->iv, iv, ivlen);
ciph_ctx = rl->enc_ctx = EVP_CIPHER_CTX_new();
if (ciph_ctx == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
return OSSL_RECORD_RETURN_FATAL;
}
mode = EVP_CIPHER_get_mode(ciph);
if (EVP_CipherInit_ex(ciph_ctx, ciph, NULL, NULL, NULL, enc) <= 0
|| EVP_CIPHER_CTX_ctrl(ciph_ctx, EVP_CTRL_AEAD_SET_IVLEN, ivlen,
NULL) <= 0
|| (mode == EVP_CIPH_CCM_MODE
&& EVP_CIPHER_CTX_ctrl(ciph_ctx, EVP_CTRL_AEAD_SET_TAG, taglen,
NULL) <= 0)
|| EVP_CipherInit_ex(ciph_ctx, NULL, NULL, key, NULL, enc) <= 0) {
ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
return OSSL_RECORD_RETURN_FATAL;
}
return OSSL_RECORD_RETURN_SUCCESS;
}
static int tls13_cipher(OSSL_RECORD_LAYER *rl, TLS_RL_RECORD *recs,
size_t n_recs, int sending, SSL_MAC_BUF *mac,
size_t macsize)
{
EVP_CIPHER_CTX *ctx;
unsigned char iv[EVP_MAX_IV_LENGTH], recheader[SSL3_RT_HEADER_LENGTH];
size_t ivlen, offset, loop, hdrlen;
unsigned char *staticiv;
unsigned char *seq = rl->sequence;
int lenu, lenf;
TLS_RL_RECORD *rec = &recs[0];
WPACKET wpkt;
const EVP_CIPHER *cipher;
int mode;
if (n_recs != 1) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
ctx = rl->enc_ctx;
staticiv = rl->iv;
cipher = EVP_CIPHER_CTX_get0_cipher(ctx);
if (cipher == NULL) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
mode = EVP_CIPHER_get_mode(cipher);
if (ctx == NULL || rec->type == SSL3_RT_ALERT) {
memmove(rec->data, rec->input, rec->length);
rec->input = rec->data;
return 1;
}
ivlen = EVP_CIPHER_CTX_get_iv_length(ctx);
if (!sending) {
if (rec->length < rl->taglen + 1)
return 0;
rec->length -= rl->taglen;
}
if (ivlen < SEQ_NUM_SIZE) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
offset = ivlen - SEQ_NUM_SIZE;
memcpy(iv, staticiv, offset);
for (loop = 0; loop < SEQ_NUM_SIZE; loop++)
iv[offset + loop] = staticiv[offset + loop] ^ seq[loop];
if (!tls_increment_sequence_ctr(rl)) {
return 0;
}
if (EVP_CipherInit_ex(ctx, NULL, NULL, NULL, iv, sending) <= 0
|| (!sending && EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_SET_TAG,
rl->taglen,
rec->data + rec->length) <= 0)) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
if (!WPACKET_init_static_len(&wpkt, recheader, sizeof(recheader), 0)
|| !WPACKET_put_bytes_u8(&wpkt, rec->type)
|| !WPACKET_put_bytes_u16(&wpkt, rec->rec_version)
|| !WPACKET_put_bytes_u16(&wpkt, rec->length + rl->taglen)
|| !WPACKET_get_total_written(&wpkt, &hdrlen)
|| hdrlen != SSL3_RT_HEADER_LENGTH
|| !WPACKET_finish(&wpkt)) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
WPACKET_cleanup(&wpkt);
return 0;
}
if ((mode == EVP_CIPH_CCM_MODE
&& EVP_CipherUpdate(ctx, NULL, &lenu, NULL,
(unsigned int)rec->length) <= 0)
|| EVP_CipherUpdate(ctx, NULL, &lenu, recheader,
sizeof(recheader)) <= 0
|| EVP_CipherUpdate(ctx, rec->data, &lenu, rec->input,
(unsigned int)rec->length) <= 0
|| EVP_CipherFinal_ex(ctx, rec->data + lenu, &lenf) <= 0
|| (size_t)(lenu + lenf) != rec->length) {
return 0;
}
if (sending) {
if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_AEAD_GET_TAG, rl->taglen,
rec->data + rec->length) <= 0) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
rec->length += rl->taglen;
}
return 1;
}
static int tls13_validate_record_header(OSSL_RECORD_LAYER *rl,
TLS_RL_RECORD *rec)
{
if (rec->type != SSL3_RT_APPLICATION_DATA
&& (rec->type != SSL3_RT_CHANGE_CIPHER_SPEC
|| !rl->is_first_handshake)
&& (rec->type != SSL3_RT_ALERT || !rl->allow_plain_alerts)) {
RLAYERfatal(rl, SSL_AD_UNEXPECTED_MESSAGE, SSL_R_BAD_RECORD_TYPE);
return 0;
}
if (rec->rec_version != TLS1_2_VERSION) {
RLAYERfatal(rl, SSL_AD_DECODE_ERROR, SSL_R_WRONG_VERSION_NUMBER);
return 0;
}
if (rec->length > SSL3_RT_MAX_TLS13_ENCRYPTED_LENGTH) {
RLAYERfatal(rl, SSL_AD_RECORD_OVERFLOW,
SSL_R_ENCRYPTED_LENGTH_TOO_LONG);
return 0;
}
return 1;
}
static int tls13_post_process_record(OSSL_RECORD_LAYER *rl, TLS_RL_RECORD *rec)
{
if (rec->type != SSL3_RT_ALERT) {
size_t end;
if (rec->length == 0
|| rec->type != SSL3_RT_APPLICATION_DATA) {
RLAYERfatal(rl, SSL_AD_UNEXPECTED_MESSAGE,
SSL_R_BAD_RECORD_TYPE);
return 0;
}
for (end = rec->length - 1; end > 0 && rec->data[end] == 0; end--)
continue;
rec->length = end;
rec->type = rec->data[end];
}
if (rec->length > SSL3_RT_MAX_PLAIN_LENGTH) {
RLAYERfatal(rl, SSL_AD_RECORD_OVERFLOW, SSL_R_DATA_LENGTH_TOO_LONG);
return 0;
}
if (!tls13_common_post_process_record(rl, rec)) {
return 0;
}
return 1;
}
static uint8_t tls13_get_record_type(OSSL_RECORD_LAYER *rl,
OSSL_RECORD_TEMPLATE *template)
{
if (rl->allow_plain_alerts && template->type == SSL3_RT_ALERT)
return SSL3_RT_ALERT;
return SSL3_RT_APPLICATION_DATA;
}
static int tls13_add_record_padding(OSSL_RECORD_LAYER *rl,
OSSL_RECORD_TEMPLATE *thistempl,
WPACKET *thispkt,
TLS_RL_RECORD *thiswr)
{
size_t rlen;
if (rl->allow_plain_alerts && thistempl->type != SSL3_RT_ALERT)
return 1;
if (!WPACKET_put_bytes_u8(thispkt, thistempl->type)) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
TLS_RL_RECORD_add_length(thiswr, 1);
rlen = TLS_RL_RECORD_get_length(thiswr);
if (rlen < rl->max_frag_len) {
size_t padding = 0;
size_t max_padding = rl->max_frag_len - rlen;
if (rl->padding != NULL) {
padding = rl->padding(rl->cbarg, thistempl->type, rlen);
} else if (rl->block_padding > 0) {
size_t mask = rl->block_padding - 1;
size_t remainder;
if ((rl->block_padding & mask) == 0)
remainder = rlen & mask;
else
remainder = rlen % rl->block_padding;
if (remainder == 0)
padding = 0;
else
padding = rl->block_padding - remainder;
}
if (padding > 0) {
if (padding > max_padding)
padding = max_padding;
if (!WPACKET_memset(thispkt, 0, padding)) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR,
ERR_R_INTERNAL_ERROR);
return 0;
}
TLS_RL_RECORD_add_length(thiswr, padding);
}
}
return 1;
}
const struct record_functions_st tls_1_3_funcs = {
tls13_set_crypto_state,
tls13_cipher,
NULL,
tls_default_set_protocol_version,
tls_default_read_n,
tls_get_more_records,
tls13_validate_record_header,
tls13_post_process_record,
tls_get_max_records_default,
tls_write_records_default,
tls_allocate_write_buffers_default,
tls_initialise_write_packets_default,
tls13_get_record_type,
tls_prepare_record_header_default,
tls13_add_record_padding,
tls_prepare_for_encryption_default,
tls_post_encryption_processing_default,
NULL
};
| methods | openssl/ssl/record/methods/tls13_meth.c | openssl |
#include <openssl/evp.h>
#include <openssl/core_names.h>
#include "internal/ssl3_cbc.h"
#include "../../ssl_local.h"
#include "../record_local.h"
#include "recmethod_local.h"
static int ssl3_set_crypto_state(OSSL_RECORD_LAYER *rl, int level,
unsigned char *key, size_t keylen,
unsigned char *iv, size_t ivlen,
unsigned char *mackey, size_t mackeylen,
const EVP_CIPHER *ciph,
size_t taglen,
int mactype,
const EVP_MD *md,
COMP_METHOD *comp)
{
EVP_CIPHER_CTX *ciph_ctx;
int enc = (rl->direction == OSSL_RECORD_DIRECTION_WRITE) ? 1 : 0;
if (md == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
return OSSL_RECORD_RETURN_FATAL;
}
if ((rl->enc_ctx = EVP_CIPHER_CTX_new()) == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
return OSSL_RECORD_RETURN_FATAL;
}
ciph_ctx = rl->enc_ctx;
rl->md_ctx = EVP_MD_CTX_new();
if (rl->md_ctx == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
return OSSL_RECORD_RETURN_FATAL;
}
if ((md != NULL && EVP_DigestInit_ex(rl->md_ctx, md, NULL) <= 0)) {
ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
return OSSL_RECORD_RETURN_FATAL;
}
#ifndef OPENSSL_NO_COMP
if (comp != NULL) {
rl->compctx = COMP_CTX_new(comp);
if (rl->compctx == NULL) {
ERR_raise(ERR_LIB_SSL, SSL_R_COMPRESSION_LIBRARY_ERROR);
return OSSL_RECORD_RETURN_FATAL;
}
}
#endif
if (!EVP_CipherInit_ex(ciph_ctx, ciph, NULL, key, iv, enc)) {
ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
return OSSL_RECORD_RETURN_FATAL;
}
if (EVP_CIPHER_get0_provider(EVP_CIPHER_CTX_get0_cipher(ciph_ctx)) != NULL
&& !ossl_set_tls_provider_parameters(rl, ciph_ctx, ciph, md)) {
return OSSL_RECORD_RETURN_FATAL;
}
if (mackeylen > sizeof(rl->mac_secret)) {
ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
return OSSL_RECORD_RETURN_FATAL;
}
memcpy(rl->mac_secret, mackey, mackeylen);
return OSSL_RECORD_RETURN_SUCCESS;
}
static int ssl3_cipher(OSSL_RECORD_LAYER *rl, TLS_RL_RECORD *inrecs,
size_t n_recs, int sending, SSL_MAC_BUF *mac,
size_t macsize)
{
TLS_RL_RECORD *rec;
EVP_CIPHER_CTX *ds;
size_t l, i;
size_t bs;
const EVP_CIPHER *enc;
int provided;
rec = inrecs;
if (n_recs != 1)
return 0;
ds = rl->enc_ctx;
if (ds == NULL || (enc = EVP_CIPHER_CTX_get0_cipher(ds)) == NULL)
return 0;
provided = (EVP_CIPHER_get0_provider(enc) != NULL);
l = rec->length;
bs = EVP_CIPHER_CTX_get_block_size(ds);
if (bs == 0)
return 0;
if ((bs != 1) && sending && !provided) {
i = bs - (l % bs);
l += i;
memset(&rec->input[rec->length], 0, i);
rec->length += i;
rec->input[l - 1] = (unsigned char)(i - 1);
}
if (!sending) {
if (l == 0 || l % bs != 0) {
return 0;
}
}
if (provided) {
int outlen;
if (!EVP_CipherUpdate(ds, rec->data, &outlen, rec->input,
(unsigned int)l))
return 0;
rec->length = outlen;
if (!sending && mac != NULL) {
OSSL_PARAM params[2], *p = params;
mac->alloced = 0;
*p++ = OSSL_PARAM_construct_octet_ptr(OSSL_CIPHER_PARAM_TLS_MAC,
(void **)&mac->mac,
macsize);
*p = OSSL_PARAM_construct_end();
if (!EVP_CIPHER_CTX_get_params(ds, params)) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
}
} else {
if (EVP_Cipher(ds, rec->data, rec->input, (unsigned int)l) < 1) {
RLAYERfatal(rl, SSL_AD_BAD_RECORD_MAC, ERR_R_INTERNAL_ERROR);
return 0;
}
if (!sending)
return ssl3_cbc_remove_padding_and_mac(&rec->length,
rec->orig_len,
rec->data,
(mac != NULL) ? &mac->mac : NULL,
(mac != NULL) ? &mac->alloced : NULL,
bs,
macsize,
rl->libctx);
}
return 1;
}
static const unsigned char ssl3_pad_1[48] = {
0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36
};
static const unsigned char ssl3_pad_2[48] = {
0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c,
0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c,
0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c,
0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c,
0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c,
0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c, 0x5c
};
static int ssl3_mac(OSSL_RECORD_LAYER *rl, TLS_RL_RECORD *rec, unsigned char *md,
int sending)
{
unsigned char *mac_sec, *seq = rl->sequence;
const EVP_MD_CTX *hash;
unsigned char *p, rec_char;
size_t md_size;
size_t npad;
int t;
mac_sec = &(rl->mac_secret[0]);
hash = rl->md_ctx;
t = EVP_MD_CTX_get_size(hash);
if (t <= 0)
return 0;
md_size = t;
npad = (48 / md_size) * md_size;
if (!sending
&& EVP_CIPHER_CTX_get_mode(rl->enc_ctx) == EVP_CIPH_CBC_MODE
&& ssl3_cbc_record_digest_supported(hash)) {
#ifdef OPENSSL_NO_DEPRECATED_3_0
return 0;
#else
unsigned char header[75];
size_t j = 0;
memcpy(header + j, mac_sec, md_size);
j += md_size;
memcpy(header + j, ssl3_pad_1, npad);
j += npad;
memcpy(header + j, seq, 8);
j += 8;
header[j++] = rec->type;
header[j++] = (unsigned char)(rec->length >> 8);
header[j++] = (unsigned char)(rec->length & 0xff);
if (ssl3_cbc_digest_record(EVP_MD_CTX_get0_md(hash),
md, &md_size,
header, rec->input,
rec->length, rec->orig_len,
mac_sec, md_size, 1) <= 0)
return 0;
#endif
} else {
unsigned int md_size_u;
EVP_MD_CTX *md_ctx = EVP_MD_CTX_new();
if (md_ctx == NULL)
return 0;
rec_char = rec->type;
p = md;
s2n(rec->length, p);
if (EVP_MD_CTX_copy_ex(md_ctx, hash) <= 0
|| EVP_DigestUpdate(md_ctx, mac_sec, md_size) <= 0
|| EVP_DigestUpdate(md_ctx, ssl3_pad_1, npad) <= 0
|| EVP_DigestUpdate(md_ctx, seq, 8) <= 0
|| EVP_DigestUpdate(md_ctx, &rec_char, 1) <= 0
|| EVP_DigestUpdate(md_ctx, md, 2) <= 0
|| EVP_DigestUpdate(md_ctx, rec->input, rec->length) <= 0
|| EVP_DigestFinal_ex(md_ctx, md, NULL) <= 0
|| EVP_MD_CTX_copy_ex(md_ctx, hash) <= 0
|| EVP_DigestUpdate(md_ctx, mac_sec, md_size) <= 0
|| EVP_DigestUpdate(md_ctx, ssl3_pad_2, npad) <= 0
|| EVP_DigestUpdate(md_ctx, md, md_size) <= 0
|| EVP_DigestFinal_ex(md_ctx, md, &md_size_u) <= 0) {
EVP_MD_CTX_free(md_ctx);
return 0;
}
EVP_MD_CTX_free(md_ctx);
}
if (!tls_increment_sequence_ctr(rl))
return 0;
return 1;
}
const struct record_functions_st ssl_3_0_funcs = {
ssl3_set_crypto_state,
ssl3_cipher,
ssl3_mac,
tls_default_set_protocol_version,
tls_default_read_n,
tls_get_more_records,
tls_default_validate_record_header,
tls_default_post_process_record,
tls_get_max_records_default,
tls_write_records_default,
tls1_allocate_write_buffers,
tls1_initialise_write_packets,
NULL,
tls_prepare_record_header_default,
NULL,
tls_prepare_for_encryption_default,
tls_post_encryption_processing_default,
NULL
};
| methods | openssl/ssl/record/methods/ssl3_meth.c | openssl |
#include <openssl/evp.h>
#include "../../ssl_local.h"
#include "../record_local.h"
#include "recmethod_local.h"
#define MIN_SSL2_RECORD_LEN 9
static int tls_any_set_crypto_state(OSSL_RECORD_LAYER *rl, int level,
unsigned char *key, size_t keylen,
unsigned char *iv, size_t ivlen,
unsigned char *mackey, size_t mackeylen,
const EVP_CIPHER *ciph,
size_t taglen,
int mactype,
const EVP_MD *md,
COMP_METHOD *comp)
{
if (level != OSSL_RECORD_PROTECTION_LEVEL_NONE) {
ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
return OSSL_RECORD_RETURN_FATAL;
}
return OSSL_RECORD_RETURN_SUCCESS;
}
static int tls_any_cipher(OSSL_RECORD_LAYER *rl, TLS_RL_RECORD *recs,
size_t n_recs, int sending, SSL_MAC_BUF *macs,
size_t macsize)
{
return 1;
}
static int tls_validate_record_header(OSSL_RECORD_LAYER *rl, TLS_RL_RECORD *rec)
{
if (rec->rec_version == SSL2_VERSION) {
if (!ossl_assert(rl->version == TLS_ANY_VERSION)) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
if (rec->length < MIN_SSL2_RECORD_LEN) {
RLAYERfatal(rl, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_TOO_SHORT);
return 0;
}
} else {
if (rl->version == TLS_ANY_VERSION) {
if ((rec->rec_version >> 8) != SSL3_VERSION_MAJOR) {
if (rl->is_first_record) {
unsigned char *p;
p = rl->packet;
if (HAS_PREFIX((char *)p, "GET ") ||
HAS_PREFIX((char *)p, "POST ") ||
HAS_PREFIX((char *)p, "HEAD ") ||
HAS_PREFIX((char *)p, "PUT ")) {
RLAYERfatal(rl, SSL_AD_NO_ALERT, SSL_R_HTTP_REQUEST);
return 0;
} else if (HAS_PREFIX((char *)p, "CONNE")) {
RLAYERfatal(rl, SSL_AD_NO_ALERT,
SSL_R_HTTPS_PROXY_REQUEST);
return 0;
}
RLAYERfatal(rl, SSL_AD_NO_ALERT,
SSL_R_WRONG_VERSION_NUMBER);
return 0;
} else {
RLAYERfatal(rl, SSL_AD_PROTOCOL_VERSION,
SSL_R_WRONG_VERSION_NUMBER);
return 0;
}
}
} else if (rl->version == TLS1_3_VERSION) {
} else if (rec->rec_version != rl->version) {
if ((rl->version & 0xFF00) == (rec->rec_version & 0xFF00)) {
if (rec->type == SSL3_RT_ALERT) {
RLAYERfatal(rl, SSL_AD_NO_ALERT,
SSL_R_WRONG_VERSION_NUMBER);
return 0;
}
rl->version = (unsigned short)rec->rec_version;
}
RLAYERfatal(rl, SSL_AD_PROTOCOL_VERSION,
SSL_R_WRONG_VERSION_NUMBER);
return 0;
}
}
if (rec->length > SSL3_RT_MAX_PLAIN_LENGTH) {
RLAYERfatal(rl, SSL_AD_RECORD_OVERFLOW, SSL_R_DATA_LENGTH_TOO_LONG);
return 0;
}
return 1;
}
static int tls_any_set_protocol_version(OSSL_RECORD_LAYER *rl, int vers)
{
if (rl->version != TLS_ANY_VERSION && rl->version != vers)
return 0;
rl->version = vers;
return 1;
}
static int tls_any_prepare_for_encryption(OSSL_RECORD_LAYER *rl,
size_t mac_size,
WPACKET *thispkt,
TLS_RL_RECORD *thiswr)
{
return 1;
}
const struct record_functions_st tls_any_funcs = {
tls_any_set_crypto_state,
tls_any_cipher,
NULL,
tls_any_set_protocol_version,
tls_default_read_n,
tls_get_more_records,
tls_validate_record_header,
tls_default_post_process_record,
tls_get_max_records_default,
tls_write_records_default,
tls_allocate_write_buffers_default,
tls_initialise_write_packets_default,
NULL,
tls_prepare_record_header_default,
NULL,
tls_any_prepare_for_encryption,
tls_post_encryption_processing_default,
NULL
};
static int dtls_any_set_protocol_version(OSSL_RECORD_LAYER *rl, int vers)
{
if (rl->version != DTLS_ANY_VERSION && rl->version != vers)
return 0;
rl->version = vers;
return 1;
}
const struct record_functions_st dtls_any_funcs = {
tls_any_set_crypto_state,
tls_any_cipher,
NULL,
dtls_any_set_protocol_version,
tls_default_read_n,
dtls_get_more_records,
NULL,
NULL,
NULL,
tls_write_records_default,
tls_allocate_write_buffers_default,
tls_initialise_write_packets_default,
NULL,
dtls_prepare_record_header,
NULL,
tls_prepare_for_encryption_default,
dtls_post_encryption_processing,
NULL
};
| methods | openssl/ssl/record/methods/tlsany_meth.c | openssl |
#include <assert.h>
#include <openssl/bio.h>
#include <openssl/ssl.h>
#include <openssl/err.h>
#include <openssl/core_names.h>
#include <openssl/comp.h>
#include <openssl/ssl.h>
#include "internal/e_os.h"
#include "internal/packet.h"
#include "internal/ssl3_cbc.h"
#include "../../ssl_local.h"
#include "../record_local.h"
#include "recmethod_local.h"
static void tls_int_free(OSSL_RECORD_LAYER *rl);
void ossl_tls_buffer_release(TLS_BUFFER *b)
{
OPENSSL_free(b->buf);
b->buf = NULL;
}
static void TLS_RL_RECORD_release(TLS_RL_RECORD *r, size_t num_recs)
{
size_t i;
for (i = 0; i < num_recs; i++) {
OPENSSL_free(r[i].comp);
r[i].comp = NULL;
}
}
void ossl_tls_rl_record_set_seq_num(TLS_RL_RECORD *r,
const unsigned char *seq_num)
{
memcpy(r->seq_num, seq_num, SEQ_NUM_SIZE);
}
void ossl_rlayer_fatal(OSSL_RECORD_LAYER *rl, int al, int reason,
const char *fmt, ...)
{
va_list args;
va_start(args, fmt);
ERR_vset_error(ERR_LIB_SSL, reason, fmt, args);
va_end(args);
rl->alert = al;
}
int ossl_set_tls_provider_parameters(OSSL_RECORD_LAYER *rl,
EVP_CIPHER_CTX *ctx,
const EVP_CIPHER *ciph,
const EVP_MD *md)
{
OSSL_PARAM params[3], *pprm = params;
size_t macsize = 0;
int imacsize = -1;
if ((EVP_CIPHER_get_flags(ciph) & EVP_CIPH_FLAG_AEAD_CIPHER) == 0
&& !rl->use_etm)
imacsize = EVP_MD_get_size(md);
if (imacsize >= 0)
macsize = (size_t)imacsize;
*pprm++ = OSSL_PARAM_construct_int(OSSL_CIPHER_PARAM_TLS_VERSION,
&rl->version);
*pprm++ = OSSL_PARAM_construct_size_t(OSSL_CIPHER_PARAM_TLS_MAC_SIZE,
&macsize);
*pprm = OSSL_PARAM_construct_end();
if (!EVP_CIPHER_CTX_set_params(ctx, params)) {
ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
return 0;
}
return 1;
}
char ssl3_cbc_record_digest_supported(const EVP_MD_CTX *ctx)
{
switch (EVP_MD_CTX_get_type(ctx)) {
case NID_md5:
case NID_sha1:
case NID_sha224:
case NID_sha256:
case NID_sha384:
case NID_sha512:
return 1;
default:
return 0;
}
}
#ifndef OPENSSL_NO_COMP
static int tls_allow_compression(OSSL_RECORD_LAYER *rl)
{
if (rl->options & SSL_OP_NO_COMPRESSION)
return 0;
return rl->security == NULL
|| rl->security(rl->cbarg, SSL_SECOP_COMPRESSION, 0, 0, NULL);
}
#endif
static void tls_release_write_buffer_int(OSSL_RECORD_LAYER *rl, size_t start)
{
TLS_BUFFER *wb;
size_t pipes;
pipes = rl->numwpipes;
while (pipes > start) {
wb = &rl->wbuf[pipes - 1];
if (TLS_BUFFER_is_app_buffer(wb))
TLS_BUFFER_set_app_buffer(wb, 0);
else
OPENSSL_free(wb->buf);
wb->buf = NULL;
pipes--;
}
}
int tls_setup_write_buffer(OSSL_RECORD_LAYER *rl, size_t numwpipes,
size_t firstlen, size_t nextlen)
{
unsigned char *p;
size_t align = 0, headerlen;
TLS_BUFFER *wb;
size_t currpipe;
size_t defltlen = 0;
size_t contenttypelen = 0;
if (firstlen == 0 || (numwpipes > 1 && nextlen == 0)) {
if (rl->isdtls)
headerlen = DTLS1_RT_HEADER_LENGTH + 1;
else
headerlen = SSL3_RT_HEADER_LENGTH;
if (rl->version == TLS1_3_VERSION)
contenttypelen = 1;
#if defined(SSL3_ALIGN_PAYLOAD) && SSL3_ALIGN_PAYLOAD != 0
align = SSL3_ALIGN_PAYLOAD - 1;
#endif
defltlen = align + headerlen + rl->eivlen + rl->max_frag_len
+ contenttypelen + SSL3_RT_SEND_MAX_ENCRYPTED_OVERHEAD;
#ifndef OPENSSL_NO_COMP
if (tls_allow_compression(rl))
defltlen += SSL3_RT_MAX_COMPRESSED_OVERHEAD;
#endif
if ((rl->options & SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS) == 0)
defltlen += headerlen + align + SSL3_RT_SEND_MAX_ENCRYPTED_OVERHEAD;
}
wb = rl->wbuf;
for (currpipe = 0; currpipe < numwpipes; currpipe++) {
TLS_BUFFER *thiswb = &wb[currpipe];
size_t len = (currpipe == 0) ? firstlen : nextlen;
if (len == 0)
len = defltlen;
if (thiswb->len != len) {
OPENSSL_free(thiswb->buf);
thiswb->buf = NULL;
}
p = thiswb->buf;
if (p == NULL) {
p = OPENSSL_malloc(len);
if (p == NULL) {
if (rl->numwpipes < currpipe)
rl->numwpipes = currpipe;
RLAYERfatal(rl, SSL_AD_NO_ALERT, ERR_R_CRYPTO_LIB);
return 0;
}
}
memset(thiswb, 0, sizeof(TLS_BUFFER));
thiswb->buf = p;
thiswb->len = len;
}
tls_release_write_buffer_int(rl, currpipe);
rl->numwpipes = numwpipes;
return 1;
}
static void tls_release_write_buffer(OSSL_RECORD_LAYER *rl)
{
tls_release_write_buffer_int(rl, 0);
rl->numwpipes = 0;
}
int tls_setup_read_buffer(OSSL_RECORD_LAYER *rl)
{
unsigned char *p;
size_t len, align = 0, headerlen;
TLS_BUFFER *b;
b = &rl->rbuf;
if (rl->isdtls)
headerlen = DTLS1_RT_HEADER_LENGTH;
else
headerlen = SSL3_RT_HEADER_LENGTH;
#if defined(SSL3_ALIGN_PAYLOAD) && SSL3_ALIGN_PAYLOAD != 0
align = (-SSL3_RT_HEADER_LENGTH) & (SSL3_ALIGN_PAYLOAD - 1);
#endif
if (b->buf == NULL) {
len = rl->max_frag_len
+ SSL3_RT_MAX_ENCRYPTED_OVERHEAD + headerlen + align;
#ifndef OPENSSL_NO_COMP
if (tls_allow_compression(rl))
len += SSL3_RT_MAX_COMPRESSED_OVERHEAD;
#endif
if (rl->max_pipelines > 1)
len *= rl->max_pipelines;
if (b->default_len > len)
len = b->default_len;
if ((p = OPENSSL_malloc(len)) == NULL) {
RLAYERfatal(rl, SSL_AD_NO_ALERT, ERR_R_CRYPTO_LIB);
return 0;
}
b->buf = p;
b->len = len;
}
return 1;
}
static int tls_release_read_buffer(OSSL_RECORD_LAYER *rl)
{
TLS_BUFFER *b;
b = &rl->rbuf;
if ((rl->options & SSL_OP_CLEANSE_PLAINTEXT) != 0)
OPENSSL_cleanse(b->buf, b->len);
OPENSSL_free(b->buf);
b->buf = NULL;
return 1;
}
int tls_default_read_n(OSSL_RECORD_LAYER *rl, size_t n, size_t max, int extend,
int clearold, size_t *readbytes)
{
size_t len, left, align = 0;
unsigned char *pkt;
TLS_BUFFER *rb;
if (n == 0)
return OSSL_RECORD_RETURN_NON_FATAL_ERR;
rb = &rl->rbuf;
left = rb->left;
#if defined(SSL3_ALIGN_PAYLOAD) && SSL3_ALIGN_PAYLOAD != 0
align = (size_t)rb->buf + SSL3_RT_HEADER_LENGTH;
align = SSL3_ALIGN_PAYLOAD - 1 - ((align - 1) % SSL3_ALIGN_PAYLOAD);
#endif
if (!extend) {
if (left == 0)
rb->offset = align;
rl->packet = rb->buf + rb->offset;
rl->packet_length = 0;
}
len = rl->packet_length;
pkt = rb->buf + align;
if (rl->packet != pkt && clearold == 1) {
memmove(pkt, rl->packet, len + left);
rl->packet = pkt;
rb->offset = len + align;
}
if (rl->isdtls) {
if (left == 0 && extend) {
return OSSL_RECORD_RETURN_NON_FATAL_ERR;
}
if (left > 0 && n > left)
n = left;
}
if (left >= n) {
rl->packet_length += n;
rb->left = left - n;
rb->offset += n;
*readbytes = n;
return OSSL_RECORD_RETURN_SUCCESS;
}
if (n > rb->len - rb->offset) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return OSSL_RECORD_RETURN_FATAL;
}
if (!rl->read_ahead && !rl->isdtls) {
max = n;
} else {
if (max < n)
max = n;
if (max > rb->len - rb->offset)
max = rb->len - rb->offset;
}
while (left < n) {
size_t bioread = 0;
int ret;
BIO *bio = rl->prev != NULL ? rl->prev : rl->bio;
clear_sys_error();
if (bio != NULL) {
ret = BIO_read(bio, pkt + len + left, max - left);
if (ret > 0) {
bioread = ret;
ret = OSSL_RECORD_RETURN_SUCCESS;
} else if (BIO_should_retry(bio)) {
if (rl->prev != NULL) {
BIO_free(rl->prev);
rl->prev = NULL;
continue;
}
ret = OSSL_RECORD_RETURN_RETRY;
} else if (BIO_eof(bio)) {
ret = OSSL_RECORD_RETURN_EOF;
} else {
ret = OSSL_RECORD_RETURN_FATAL;
}
} else {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, SSL_R_READ_BIO_NOT_SET);
ret = OSSL_RECORD_RETURN_FATAL;
}
if (ret <= OSSL_RECORD_RETURN_RETRY) {
rb->left = left;
if ((rl->mode & SSL_MODE_RELEASE_BUFFERS) != 0 && !rl->isdtls)
if (len + left == 0)
tls_release_read_buffer(rl);
return ret;
}
left += bioread;
if (rl->isdtls) {
if (n > left)
n = left;
}
}
rb->offset += n;
rb->left = left - n;
rl->packet_length += n;
*readbytes = n;
return OSSL_RECORD_RETURN_SUCCESS;
}
static int tls_record_app_data_waiting(OSSL_RECORD_LAYER *rl)
{
TLS_BUFFER *rbuf;
size_t left, len;
unsigned char *p;
rbuf = &rl->rbuf;
p = TLS_BUFFER_get_buf(rbuf);
if (p == NULL)
return 0;
left = TLS_BUFFER_get_left(rbuf);
if (left < SSL3_RT_HEADER_LENGTH)
return 0;
p += TLS_BUFFER_get_offset(rbuf);
if (*p != SSL3_RT_APPLICATION_DATA)
return 0;
p += 3;
n2s(p, len);
if (left < SSL3_RT_HEADER_LENGTH + len)
return 0;
return 1;
}
static int rlayer_early_data_count_ok(OSSL_RECORD_LAYER *rl, size_t length,
size_t overhead, int send)
{
uint32_t max_early_data = rl->max_early_data;
if (max_early_data == 0) {
RLAYERfatal(rl, send ? SSL_AD_INTERNAL_ERROR : SSL_AD_UNEXPECTED_MESSAGE,
SSL_R_TOO_MUCH_EARLY_DATA);
return 0;
}
max_early_data += overhead;
if (rl->early_data_count + length > max_early_data) {
RLAYERfatal(rl, send ? SSL_AD_INTERNAL_ERROR : SSL_AD_UNEXPECTED_MESSAGE,
SSL_R_TOO_MUCH_EARLY_DATA);
return 0;
}
rl->early_data_count += length;
return 1;
}
#define MAX_EMPTY_RECORDS 32
#define SSL2_RT_HEADER_LENGTH 2
int tls_get_more_records(OSSL_RECORD_LAYER *rl)
{
int enc_err, rret;
int i;
size_t more, n;
TLS_RL_RECORD *rr, *thisrr;
TLS_BUFFER *rbuf;
unsigned char *p;
unsigned char md[EVP_MAX_MD_SIZE];
unsigned int version;
size_t mac_size = 0;
int imac_size;
size_t num_recs = 0, max_recs, j;
PACKET pkt, sslv2pkt;
SSL_MAC_BUF *macbufs = NULL;
int ret = OSSL_RECORD_RETURN_FATAL;
rr = rl->rrec;
rbuf = &rl->rbuf;
if (rbuf->buf == NULL) {
if (!tls_setup_read_buffer(rl)) {
return OSSL_RECORD_RETURN_FATAL;
}
}
max_recs = rl->max_pipelines;
if (max_recs == 0)
max_recs = 1;
do {
thisrr = &rr[num_recs];
if ((rl->rstate != SSL_ST_READ_BODY) ||
(rl->packet_length < SSL3_RT_HEADER_LENGTH)) {
size_t sslv2len;
unsigned int type;
rret = rl->funcs->read_n(rl, SSL3_RT_HEADER_LENGTH,
TLS_BUFFER_get_len(rbuf), 0,
num_recs == 0 ? 1 : 0, &n);
if (rret < OSSL_RECORD_RETURN_SUCCESS)
return rret;
rl->rstate = SSL_ST_READ_BODY;
p = rl->packet;
if (!PACKET_buf_init(&pkt, p, rl->packet_length)) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return OSSL_RECORD_RETURN_FATAL;
}
sslv2pkt = pkt;
if (!PACKET_get_net_2_len(&sslv2pkt, &sslv2len)
|| !PACKET_get_1(&sslv2pkt, &type)) {
RLAYERfatal(rl, SSL_AD_DECODE_ERROR, ERR_R_INTERNAL_ERROR);
return OSSL_RECORD_RETURN_FATAL;
}
if (rl->role == OSSL_RECORD_ROLE_SERVER
&& rl->is_first_record
&& (sslv2len & 0x8000) != 0
&& (type == SSL2_MT_CLIENT_HELLO)) {
thisrr->type = SSL3_RT_HANDSHAKE;
thisrr->rec_version = SSL2_VERSION;
thisrr->length = sslv2len & 0x7fff;
if (thisrr->length > TLS_BUFFER_get_len(rbuf)
- SSL2_RT_HEADER_LENGTH) {
RLAYERfatal(rl, SSL_AD_RECORD_OVERFLOW,
SSL_R_PACKET_LENGTH_TOO_LONG);
return OSSL_RECORD_RETURN_FATAL;
}
} else {
if (!PACKET_get_1(&pkt, &type)
|| !PACKET_get_net_2(&pkt, &version)
|| !PACKET_get_net_2_len(&pkt, &thisrr->length)) {
if (rl->msg_callback != NULL)
rl->msg_callback(0, 0, SSL3_RT_HEADER, p, 5, rl->cbarg);
RLAYERfatal(rl, SSL_AD_DECODE_ERROR, ERR_R_INTERNAL_ERROR);
return OSSL_RECORD_RETURN_FATAL;
}
thisrr->type = type;
thisrr->rec_version = version;
if (thisrr->rec_version == SSL2_VERSION) {
RLAYERfatal(rl, SSL_AD_PROTOCOL_VERSION,
SSL_R_WRONG_VERSION_NUMBER);
return OSSL_RECORD_RETURN_FATAL;
}
if (rl->msg_callback != NULL)
rl->msg_callback(0, version, SSL3_RT_HEADER, p, 5, rl->cbarg);
if (thisrr->length >
TLS_BUFFER_get_len(rbuf) - SSL3_RT_HEADER_LENGTH) {
RLAYERfatal(rl, SSL_AD_RECORD_OVERFLOW,
SSL_R_PACKET_LENGTH_TOO_LONG);
return OSSL_RECORD_RETURN_FATAL;
}
}
if (!rl->funcs->validate_record_header(rl, thisrr)) {
return OSSL_RECORD_RETURN_FATAL;
}
}
if (thisrr->rec_version == SSL2_VERSION) {
more = thisrr->length + SSL2_RT_HEADER_LENGTH
- SSL3_RT_HEADER_LENGTH;
} else {
more = thisrr->length;
}
if (more > 0) {
rret = rl->funcs->read_n(rl, more, more, 1, 0, &n);
if (rret < OSSL_RECORD_RETURN_SUCCESS)
return rret;
}
rl->rstate = SSL_ST_READ_HEADER;
if (thisrr->rec_version == SSL2_VERSION)
thisrr->input = &(rl->packet[SSL2_RT_HEADER_LENGTH]);
else
thisrr->input = &(rl->packet[SSL3_RT_HEADER_LENGTH]);
thisrr->data = thisrr->input;
thisrr->orig_len = thisrr->length;
num_recs++;
rl->packet_length = 0;
rl->is_first_record = 0;
} while (num_recs < max_recs
&& thisrr->type == SSL3_RT_APPLICATION_DATA
&& RLAYER_USE_EXPLICIT_IV(rl)
&& rl->enc_ctx != NULL
&& (EVP_CIPHER_get_flags(EVP_CIPHER_CTX_get0_cipher(rl->enc_ctx))
& EVP_CIPH_FLAG_PIPELINE) != 0
&& tls_record_app_data_waiting(rl));
if (num_recs == 1
&& thisrr->type == SSL3_RT_CHANGE_CIPHER_SPEC
&& rl->version == TLS1_3_VERSION
&& rl->is_first_handshake) {
if (thisrr->length != 1 || thisrr->data[0] != 0x01) {
RLAYERfatal(rl, SSL_AD_ILLEGAL_PARAMETER,
SSL_R_INVALID_CCS_MESSAGE);
return OSSL_RECORD_RETURN_FATAL;
}
thisrr->type = SSL3_RT_HANDSHAKE;
if (++(rl->empty_record_count) > MAX_EMPTY_RECORDS) {
RLAYERfatal(rl, SSL_AD_UNEXPECTED_MESSAGE,
SSL_R_UNEXPECTED_CCS_MESSAGE);
return OSSL_RECORD_RETURN_FATAL;
}
rl->num_recs = 0;
rl->curr_rec = 0;
rl->num_released = 0;
return OSSL_RECORD_RETURN_SUCCESS;
}
if (rl->md_ctx != NULL) {
const EVP_MD *tmpmd = EVP_MD_CTX_get0_md(rl->md_ctx);
if (tmpmd != NULL) {
imac_size = EVP_MD_get_size(tmpmd);
if (!ossl_assert(imac_size >= 0 && imac_size <= EVP_MAX_MD_SIZE)) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB);
return OSSL_RECORD_RETURN_FATAL;
}
mac_size = (size_t)imac_size;
}
}
if (rl->use_etm && rl->md_ctx != NULL) {
unsigned char *mac;
for (j = 0; j < num_recs; j++) {
thisrr = &rr[j];
if (thisrr->length < mac_size) {
RLAYERfatal(rl, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_TOO_SHORT);
return OSSL_RECORD_RETURN_FATAL;
}
thisrr->length -= mac_size;
mac = thisrr->data + thisrr->length;
i = rl->funcs->mac(rl, thisrr, md, 0 );
if (i == 0 || CRYPTO_memcmp(md, mac, mac_size) != 0) {
RLAYERfatal(rl, SSL_AD_BAD_RECORD_MAC,
SSL_R_DECRYPTION_FAILED_OR_BAD_RECORD_MAC);
return OSSL_RECORD_RETURN_FATAL;
}
}
mac_size = 0;
}
if (mac_size > 0) {
macbufs = OPENSSL_zalloc(sizeof(*macbufs) * num_recs);
if (macbufs == NULL) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, ERR_R_CRYPTO_LIB);
return OSSL_RECORD_RETURN_FATAL;
}
}
ERR_set_mark();
enc_err = rl->funcs->cipher(rl, rr, num_recs, 0, macbufs, mac_size);
if (enc_err == 0) {
if (rl->alert != SSL_AD_NO_ALERT) {
ERR_clear_last_mark();
goto end;
}
if (num_recs == 1
&& rl->skip_early_data != NULL
&& rl->skip_early_data(rl->cbarg)) {
ERR_pop_to_mark();
thisrr = &rr[0];
if (!rlayer_early_data_count_ok(rl, thisrr->length,
EARLY_DATA_CIPHERTEXT_OVERHEAD, 0)) {
goto end;
}
thisrr->length = 0;
rl->num_recs = 0;
rl->curr_rec = 0;
rl->num_released = 0;
memset(rl->sequence, 0, sizeof(rl->sequence));
ret = 1;
goto end;
}
ERR_clear_last_mark();
RLAYERfatal(rl, SSL_AD_BAD_RECORD_MAC,
SSL_R_DECRYPTION_FAILED_OR_BAD_RECORD_MAC);
goto end;
} else {
ERR_clear_last_mark();
}
OSSL_TRACE_BEGIN(TLS) {
BIO_printf(trc_out, "dec %lu\n", (unsigned long)rr[0].length);
BIO_dump_indent(trc_out, rr[0].data, rr[0].length, 4);
} OSSL_TRACE_END(TLS);
if (rl->enc_ctx != NULL
&& !rl->use_etm
&& EVP_MD_CTX_get0_md(rl->md_ctx) != NULL) {
for (j = 0; j < num_recs; j++) {
SSL_MAC_BUF *thismb = &macbufs[j];
thisrr = &rr[j];
i = rl->funcs->mac(rl, thisrr, md, 0 );
if (i == 0 || thismb == NULL || thismb->mac == NULL
|| CRYPTO_memcmp(md, thismb->mac, (size_t)mac_size) != 0)
enc_err = 0;
if (thisrr->length > SSL3_RT_MAX_COMPRESSED_LENGTH + mac_size)
enc_err = 0;
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
if (enc_err == 0 && mac_size > 0 && thismb != NULL &&
thismb->mac != NULL && (md[0] ^ thismb->mac[0]) != 0xFF) {
enc_err = 1;
}
#endif
}
}
if (enc_err == 0) {
if (rl->alert != SSL_AD_NO_ALERT) {
goto end;
}
RLAYERfatal(rl, SSL_AD_BAD_RECORD_MAC,
SSL_R_DECRYPTION_FAILED_OR_BAD_RECORD_MAC);
goto end;
}
for (j = 0; j < num_recs; j++) {
thisrr = &rr[j];
if (!rl->funcs->post_process_record(rl, thisrr)) {
goto end;
}
if (rl->max_frag_len != SSL3_RT_MAX_PLAIN_LENGTH
&& thisrr->length > rl->max_frag_len) {
RLAYERfatal(rl, SSL_AD_RECORD_OVERFLOW, SSL_R_DATA_LENGTH_TOO_LONG);
goto end;
}
thisrr->off = 0;
if (thisrr->length == 0) {
if (++(rl->empty_record_count) > MAX_EMPTY_RECORDS) {
RLAYERfatal(rl, SSL_AD_UNEXPECTED_MESSAGE,
SSL_R_RECORD_TOO_SMALL);
goto end;
}
} else {
rl->empty_record_count = 0;
}
}
if (rl->level == OSSL_RECORD_PROTECTION_LEVEL_EARLY) {
thisrr = &rr[0];
if (thisrr->type == SSL3_RT_APPLICATION_DATA
&& !rlayer_early_data_count_ok(rl, thisrr->length, 0, 0)) {
goto end;
}
}
rl->num_recs = num_recs;
rl->curr_rec = 0;
rl->num_released = 0;
ret = OSSL_RECORD_RETURN_SUCCESS;
end:
if (macbufs != NULL) {
for (j = 0; j < num_recs; j++) {
if (macbufs[j].alloced)
OPENSSL_free(macbufs[j].mac);
}
OPENSSL_free(macbufs);
}
return ret;
}
int tls_default_validate_record_header(OSSL_RECORD_LAYER *rl, TLS_RL_RECORD *rec)
{
size_t len = SSL3_RT_MAX_ENCRYPTED_LENGTH;
if (rec->rec_version != rl->version) {
RLAYERfatal(rl, SSL_AD_PROTOCOL_VERSION, SSL_R_WRONG_VERSION_NUMBER);
return 0;
}
#ifndef OPENSSL_NO_COMP
if (rl->compctx == NULL)
len -= SSL3_RT_MAX_COMPRESSED_OVERHEAD;
#endif
if (rec->length > len) {
RLAYERfatal(rl, SSL_AD_RECORD_OVERFLOW,
SSL_R_ENCRYPTED_LENGTH_TOO_LONG);
return 0;
}
return 1;
}
int tls_do_compress(OSSL_RECORD_LAYER *rl, TLS_RL_RECORD *wr)
{
#ifndef OPENSSL_NO_COMP
int i;
i = COMP_compress_block(rl->compctx, wr->data,
(int)(wr->length + SSL3_RT_MAX_COMPRESSED_OVERHEAD),
wr->input, (int)wr->length);
if (i < 0)
return 0;
wr->length = i;
wr->input = wr->data;
return 1;
#else
return 0;
#endif
}
int tls_do_uncompress(OSSL_RECORD_LAYER *rl, TLS_RL_RECORD *rec)
{
#ifndef OPENSSL_NO_COMP
int i;
if (rec->comp == NULL) {
rec->comp = (unsigned char *)
OPENSSL_malloc(SSL3_RT_MAX_ENCRYPTED_LENGTH);
}
if (rec->comp == NULL)
return 0;
i = COMP_expand_block(rl->compctx, rec->comp, SSL3_RT_MAX_PLAIN_LENGTH,
rec->data, (int)rec->length);
if (i < 0)
return 0;
else
rec->length = i;
rec->data = rec->comp;
return 1;
#else
return 0;
#endif
}
int tls_default_post_process_record(OSSL_RECORD_LAYER *rl, TLS_RL_RECORD *rec)
{
if (rl->compctx != NULL) {
if (rec->length > SSL3_RT_MAX_COMPRESSED_LENGTH) {
RLAYERfatal(rl, SSL_AD_RECORD_OVERFLOW,
SSL_R_COMPRESSED_LENGTH_TOO_LONG);
return 0;
}
if (!tls_do_uncompress(rl, rec)) {
RLAYERfatal(rl, SSL_AD_DECOMPRESSION_FAILURE,
SSL_R_BAD_DECOMPRESSION);
return 0;
}
}
if (rec->length > SSL3_RT_MAX_PLAIN_LENGTH) {
RLAYERfatal(rl, SSL_AD_RECORD_OVERFLOW, SSL_R_DATA_LENGTH_TOO_LONG);
return 0;
}
return 1;
}
int tls13_common_post_process_record(OSSL_RECORD_LAYER *rl, TLS_RL_RECORD *rec)
{
if (rec->type != SSL3_RT_APPLICATION_DATA
&& rec->type != SSL3_RT_ALERT
&& rec->type != SSL3_RT_HANDSHAKE) {
RLAYERfatal(rl, SSL_AD_UNEXPECTED_MESSAGE, SSL_R_BAD_RECORD_TYPE);
return 0;
}
if (rl->msg_callback != NULL)
rl->msg_callback(0, rl->version, SSL3_RT_INNER_CONTENT_TYPE, &rec->type,
1, rl->cbarg);
if ((rec->type == SSL3_RT_HANDSHAKE || rec->type == SSL3_RT_ALERT)
&& rec->length == 0) {
RLAYERfatal(rl, SSL_AD_UNEXPECTED_MESSAGE, SSL_R_BAD_LENGTH);
return 0;
}
return 1;
}
int tls_read_record(OSSL_RECORD_LAYER *rl, void **rechandle, int *rversion,
uint8_t *type, const unsigned char **data, size_t *datalen,
uint16_t *epoch, unsigned char *seq_num)
{
TLS_RL_RECORD *rec;
while (rl->curr_rec >= rl->num_recs) {
int ret;
if (rl->num_released != rl->num_recs) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, SSL_R_RECORDS_NOT_RELEASED);
return OSSL_RECORD_RETURN_FATAL;
}
ret = rl->funcs->get_more_records(rl);
if (ret != OSSL_RECORD_RETURN_SUCCESS)
return ret;
}
rec = &rl->rrec[rl->curr_rec++];
*rechandle = rec;
*rversion = rec->rec_version;
*type = rec->type;
*data = rec->data + rec->off;
*datalen = rec->length;
if (rl->isdtls) {
*epoch = rec->epoch;
memcpy(seq_num, rec->seq_num, sizeof(rec->seq_num));
}
return OSSL_RECORD_RETURN_SUCCESS;
}
int tls_release_record(OSSL_RECORD_LAYER *rl, void *rechandle, size_t length)
{
TLS_RL_RECORD *rec = &rl->rrec[rl->num_released];
if (!ossl_assert(rl->num_released < rl->curr_rec)
|| !ossl_assert(rechandle == rec)) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, SSL_R_INVALID_RECORD);
return OSSL_RECORD_RETURN_FATAL;
}
if (rec->length < length) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return OSSL_RECORD_RETURN_FATAL;
}
if ((rl->options & SSL_OP_CLEANSE_PLAINTEXT) != 0)
OPENSSL_cleanse(rec->data + rec->off, length);
rec->off += length;
rec->length -= length;
if (rec->length > 0)
return OSSL_RECORD_RETURN_SUCCESS;
rl->num_released++;
if (rl->curr_rec == rl->num_released
&& (rl->mode & SSL_MODE_RELEASE_BUFFERS) != 0
&& TLS_BUFFER_get_left(&rl->rbuf) == 0)
tls_release_read_buffer(rl);
return OSSL_RECORD_RETURN_SUCCESS;
}
int tls_set_options(OSSL_RECORD_LAYER *rl, const OSSL_PARAM *options)
{
const OSSL_PARAM *p;
p = OSSL_PARAM_locate_const(options, OSSL_LIBSSL_RECORD_LAYER_PARAM_OPTIONS);
if (p != NULL && !OSSL_PARAM_get_uint64(p, &rl->options)) {
ERR_raise(ERR_LIB_SSL, SSL_R_FAILED_TO_GET_PARAMETER);
return 0;
}
p = OSSL_PARAM_locate_const(options, OSSL_LIBSSL_RECORD_LAYER_PARAM_MODE);
if (p != NULL && !OSSL_PARAM_get_uint32(p, &rl->mode)) {
ERR_raise(ERR_LIB_SSL, SSL_R_FAILED_TO_GET_PARAMETER);
return 0;
}
if (rl->direction == OSSL_RECORD_DIRECTION_READ) {
p = OSSL_PARAM_locate_const(options,
OSSL_LIBSSL_RECORD_LAYER_READ_BUFFER_LEN);
if (p != NULL && !OSSL_PARAM_get_size_t(p, &rl->rbuf.default_len)) {
ERR_raise(ERR_LIB_SSL, SSL_R_FAILED_TO_GET_PARAMETER);
return 0;
}
} else {
p = OSSL_PARAM_locate_const(options,
OSSL_LIBSSL_RECORD_LAYER_PARAM_BLOCK_PADDING);
if (p != NULL && !OSSL_PARAM_get_size_t(p, &rl->block_padding)) {
ERR_raise(ERR_LIB_SSL, SSL_R_FAILED_TO_GET_PARAMETER);
return 0;
}
}
if (rl->level == OSSL_RECORD_PROTECTION_LEVEL_APPLICATION) {
p = OSSL_PARAM_locate_const(options,
OSSL_LIBSSL_RECORD_LAYER_PARAM_READ_AHEAD);
if (p != NULL && !OSSL_PARAM_get_int(p, &rl->read_ahead)) {
ERR_raise(ERR_LIB_SSL, SSL_R_FAILED_TO_GET_PARAMETER);
return 0;
}
}
return 1;
}
int
tls_int_new_record_layer(OSSL_LIB_CTX *libctx, const char *propq, int vers,
int role, int direction, int level,
const EVP_CIPHER *ciph, size_t taglen,
const EVP_MD *md, COMP_METHOD *comp, BIO *prev,
BIO *transport, BIO *next, const OSSL_PARAM *settings,
const OSSL_PARAM *options,
const OSSL_DISPATCH *fns, void *cbarg,
OSSL_RECORD_LAYER **retrl)
{
OSSL_RECORD_LAYER *rl = OPENSSL_zalloc(sizeof(*rl));
const OSSL_PARAM *p;
*retrl = NULL;
if (rl == NULL)
return OSSL_RECORD_RETURN_FATAL;
rl->max_frag_len = SSL3_RT_MAX_PLAIN_LENGTH;
if (settings != NULL) {
for (p = settings; p->key != NULL; p++) {
if (strcmp(p->key, OSSL_LIBSSL_RECORD_LAYER_PARAM_USE_ETM) == 0) {
if (!OSSL_PARAM_get_int(p, &rl->use_etm)) {
ERR_raise(ERR_LIB_SSL, SSL_R_FAILED_TO_GET_PARAMETER);
goto err;
}
} else if (strcmp(p->key,
OSSL_LIBSSL_RECORD_LAYER_PARAM_MAX_FRAG_LEN) == 0) {
if (!OSSL_PARAM_get_uint(p, &rl->max_frag_len)) {
ERR_raise(ERR_LIB_SSL, SSL_R_FAILED_TO_GET_PARAMETER);
goto err;
}
} else if (strcmp(p->key,
OSSL_LIBSSL_RECORD_LAYER_PARAM_MAX_EARLY_DATA) == 0) {
if (!OSSL_PARAM_get_uint32(p, &rl->max_early_data)) {
ERR_raise(ERR_LIB_SSL, SSL_R_FAILED_TO_GET_PARAMETER);
goto err;
}
} else if (strcmp(p->key,
OSSL_LIBSSL_RECORD_LAYER_PARAM_STREAM_MAC) == 0) {
if (!OSSL_PARAM_get_int(p, &rl->stream_mac)) {
ERR_raise(ERR_LIB_SSL, SSL_R_FAILED_TO_GET_PARAMETER);
goto err;
}
} else if (strcmp(p->key,
OSSL_LIBSSL_RECORD_LAYER_PARAM_TLSTREE) == 0) {
if (!OSSL_PARAM_get_int(p, &rl->tlstree)) {
ERR_raise(ERR_LIB_SSL, SSL_R_FAILED_TO_GET_PARAMETER);
goto err;
}
} else {
ERR_raise(ERR_LIB_SSL, SSL_R_UNKNOWN_MANDATORY_PARAMETER);
goto err;
}
}
}
rl->libctx = libctx;
rl->propq = propq;
rl->version = vers;
rl->role = role;
rl->direction = direction;
rl->level = level;
rl->taglen = taglen;
rl->md = md;
rl->alert = SSL_AD_NO_ALERT;
rl->rstate = SSL_ST_READ_HEADER;
if (level == OSSL_RECORD_PROTECTION_LEVEL_NONE)
rl->is_first_record = 1;
if (!tls_set1_bio(rl, transport))
goto err;
if (prev != NULL && !BIO_up_ref(prev))
goto err;
rl->prev = prev;
if (next != NULL && !BIO_up_ref(next))
goto err;
rl->next = next;
rl->cbarg = cbarg;
if (fns != NULL) {
for (; fns->function_id != 0; fns++) {
switch (fns->function_id) {
case OSSL_FUNC_RLAYER_SKIP_EARLY_DATA:
rl->skip_early_data = OSSL_FUNC_rlayer_skip_early_data(fns);
break;
case OSSL_FUNC_RLAYER_MSG_CALLBACK:
rl->msg_callback = OSSL_FUNC_rlayer_msg_callback(fns);
break;
case OSSL_FUNC_RLAYER_SECURITY:
rl->security = OSSL_FUNC_rlayer_security(fns);
break;
case OSSL_FUNC_RLAYER_PADDING:
rl->padding = OSSL_FUNC_rlayer_padding(fns);
default:
break;
}
}
}
if (!tls_set_options(rl, options)) {
ERR_raise(ERR_LIB_SSL, SSL_R_FAILED_TO_GET_PARAMETER);
goto err;
}
if ((rl->options & SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS) == 0
&& rl->version <= TLS1_VERSION
&& !EVP_CIPHER_is_a(ciph, "NULL")
&& !EVP_CIPHER_is_a(ciph, "RC4")) {
rl->need_empty_fragments = 1;
}
*retrl = rl;
return OSSL_RECORD_RETURN_SUCCESS;
err:
tls_int_free(rl);
return OSSL_RECORD_RETURN_FATAL;
}
static int
tls_new_record_layer(OSSL_LIB_CTX *libctx, const char *propq, int vers,
int role, int direction, int level, uint16_t epoch,
unsigned char *secret, size_t secretlen,
unsigned char *key, size_t keylen, unsigned char *iv,
size_t ivlen, unsigned char *mackey, size_t mackeylen,
const EVP_CIPHER *ciph, size_t taglen,
int mactype,
const EVP_MD *md, COMP_METHOD *comp,
const EVP_MD *kdfdigest, BIO *prev, BIO *transport,
BIO *next, BIO_ADDR *local, BIO_ADDR *peer,
const OSSL_PARAM *settings, const OSSL_PARAM *options,
const OSSL_DISPATCH *fns, void *cbarg, void *rlarg,
OSSL_RECORD_LAYER **retrl)
{
int ret;
ret = tls_int_new_record_layer(libctx, propq, vers, role, direction, level,
ciph, taglen, md, comp, prev,
transport, next, settings,
options, fns, cbarg, retrl);
if (ret != OSSL_RECORD_RETURN_SUCCESS)
return ret;
switch (vers) {
case TLS_ANY_VERSION:
(*retrl)->funcs = &tls_any_funcs;
break;
case TLS1_3_VERSION:
(*retrl)->funcs = &tls_1_3_funcs;
break;
case TLS1_2_VERSION:
case TLS1_1_VERSION:
case TLS1_VERSION:
(*retrl)->funcs = &tls_1_funcs;
break;
case SSL3_VERSION:
(*retrl)->funcs = &ssl_3_0_funcs;
break;
default:
ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
ret = OSSL_RECORD_RETURN_FATAL;
goto err;
}
ret = (*retrl)->funcs->set_crypto_state(*retrl, level, key, keylen, iv,
ivlen, mackey, mackeylen, ciph,
taglen, mactype, md, comp);
err:
if (ret != OSSL_RECORD_RETURN_SUCCESS) {
tls_int_free(*retrl);
*retrl = NULL;
}
return ret;
}
static void tls_int_free(OSSL_RECORD_LAYER *rl)
{
BIO_free(rl->prev);
BIO_free(rl->bio);
BIO_free(rl->next);
ossl_tls_buffer_release(&rl->rbuf);
tls_release_write_buffer(rl);
EVP_CIPHER_CTX_free(rl->enc_ctx);
EVP_MD_CTX_free(rl->md_ctx);
#ifndef OPENSSL_NO_COMP
COMP_CTX_free(rl->compctx);
#endif
if (rl->version == SSL3_VERSION)
OPENSSL_cleanse(rl->mac_secret, sizeof(rl->mac_secret));
TLS_RL_RECORD_release(rl->rrec, SSL_MAX_PIPELINES);
OPENSSL_free(rl);
}
int tls_free(OSSL_RECORD_LAYER *rl)
{
TLS_BUFFER *rbuf;
size_t left, written;
int ret = 1;
if (rl == NULL)
return 1;
rbuf = &rl->rbuf;
left = TLS_BUFFER_get_left(rbuf);
if (left > 0) {
ret = BIO_write_ex(rl->next, rbuf->buf + rbuf->offset, left, &written);
}
tls_int_free(rl);
return ret;
}
int tls_unprocessed_read_pending(OSSL_RECORD_LAYER *rl)
{
return TLS_BUFFER_get_left(&rl->rbuf) != 0;
}
int tls_processed_read_pending(OSSL_RECORD_LAYER *rl)
{
return rl->curr_rec < rl->num_recs;
}
size_t tls_app_data_pending(OSSL_RECORD_LAYER *rl)
{
size_t i;
size_t num = 0;
for (i = rl->curr_rec; i < rl->num_recs; i++) {
if (rl->rrec[i].type != SSL3_RT_APPLICATION_DATA)
return num;
num += rl->rrec[i].length;
}
return num;
}
size_t tls_get_max_records_default(OSSL_RECORD_LAYER *rl, uint8_t type,
size_t len,
size_t maxfrag, size_t *preffrag)
{
if (rl->max_pipelines > 0
&& rl->enc_ctx != NULL
&& (EVP_CIPHER_get_flags(EVP_CIPHER_CTX_get0_cipher(rl->enc_ctx))
& EVP_CIPH_FLAG_PIPELINE) != 0
&& RLAYER_USE_EXPLICIT_IV(rl)) {
size_t pipes;
if (len == 0)
return 1;
pipes = ((len - 1) / *preffrag) + 1;
return (pipes < rl->max_pipelines) ? pipes : rl->max_pipelines;
}
return 1;
}
size_t tls_get_max_records(OSSL_RECORD_LAYER *rl, uint8_t type, size_t len,
size_t maxfrag, size_t *preffrag)
{
return rl->funcs->get_max_records(rl, type, len, maxfrag, preffrag);
}
int tls_allocate_write_buffers_default(OSSL_RECORD_LAYER *rl,
OSSL_RECORD_TEMPLATE *templates,
size_t numtempl,
size_t *prefix)
{
if (!tls_setup_write_buffer(rl, numtempl, 0, 0)) {
return 0;
}
return 1;
}
int tls_initialise_write_packets_default(OSSL_RECORD_LAYER *rl,
OSSL_RECORD_TEMPLATE *templates,
size_t numtempl,
OSSL_RECORD_TEMPLATE *prefixtempl,
WPACKET *pkt,
TLS_BUFFER *bufs,
size_t *wpinited)
{
WPACKET *thispkt;
size_t j, align;
TLS_BUFFER *wb;
for (j = 0; j < numtempl; j++) {
thispkt = &pkt[j];
wb = &bufs[j];
wb->type = templates[j].type;
#if defined(SSL3_ALIGN_PAYLOAD) && SSL3_ALIGN_PAYLOAD != 0
align = (size_t)TLS_BUFFER_get_buf(wb);
align += rl->isdtls ? DTLS1_RT_HEADER_LENGTH : SSL3_RT_HEADER_LENGTH;
align = SSL3_ALIGN_PAYLOAD - 1
- ((align - 1) % SSL3_ALIGN_PAYLOAD);
#endif
TLS_BUFFER_set_offset(wb, align);
if (!WPACKET_init_static_len(thispkt, TLS_BUFFER_get_buf(wb),
TLS_BUFFER_get_len(wb), 0)) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
(*wpinited)++;
if (!WPACKET_allocate_bytes(thispkt, align, NULL)) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
}
return 1;
}
int tls_prepare_record_header_default(OSSL_RECORD_LAYER *rl,
WPACKET *thispkt,
OSSL_RECORD_TEMPLATE *templ,
uint8_t rectype,
unsigned char **recdata)
{
size_t maxcomplen;
*recdata = NULL;
maxcomplen = templ->buflen;
if (rl->compctx != NULL)
maxcomplen += SSL3_RT_MAX_COMPRESSED_OVERHEAD;
if (!WPACKET_put_bytes_u8(thispkt, rectype)
|| !WPACKET_put_bytes_u16(thispkt, templ->version)
|| !WPACKET_start_sub_packet_u16(thispkt)
|| (rl->eivlen > 0
&& !WPACKET_allocate_bytes(thispkt, rl->eivlen, NULL))
|| (maxcomplen > 0
&& !WPACKET_reserve_bytes(thispkt, maxcomplen,
recdata))) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
return 1;
}
int tls_prepare_for_encryption_default(OSSL_RECORD_LAYER *rl,
size_t mac_size,
WPACKET *thispkt,
TLS_RL_RECORD *thiswr)
{
size_t len;
unsigned char *recordstart;
if (!rl->use_etm && mac_size != 0) {
unsigned char *mac;
if (!WPACKET_allocate_bytes(thispkt, mac_size, &mac)
|| !rl->funcs->mac(rl, thiswr, mac, 1)) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
}
if (!WPACKET_reserve_bytes(thispkt, SSL3_RT_SEND_MAX_ENCRYPTED_OVERHEAD
- mac_size, NULL)
|| !WPACKET_get_length(thispkt, &len)) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
recordstart = WPACKET_get_curr(thispkt) - len;
TLS_RL_RECORD_set_data(thiswr, recordstart);
TLS_RL_RECORD_reset_input(thiswr);
TLS_RL_RECORD_set_length(thiswr, len);
return 1;
}
int tls_post_encryption_processing_default(OSSL_RECORD_LAYER *rl,
size_t mac_size,
OSSL_RECORD_TEMPLATE *thistempl,
WPACKET *thispkt,
TLS_RL_RECORD *thiswr)
{
size_t origlen, len;
size_t headerlen = rl->isdtls ? DTLS1_RT_HEADER_LENGTH
: SSL3_RT_HEADER_LENGTH;
if (!WPACKET_get_length(thispkt, &origlen)
|| !ossl_assert(origlen + SSL3_RT_SEND_MAX_ENCRYPTED_OVERHEAD
- mac_size >= thiswr->length)
|| origlen > thiswr->length
|| (thiswr->length > origlen
&& !WPACKET_allocate_bytes(thispkt,
thiswr->length - origlen,
NULL))) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
if (rl->use_etm && mac_size != 0) {
unsigned char *mac;
if (!WPACKET_allocate_bytes(thispkt, mac_size, &mac)
|| !rl->funcs->mac(rl, thiswr, mac, 1)) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
TLS_RL_RECORD_add_length(thiswr, mac_size);
}
if (!WPACKET_get_length(thispkt, &len)
|| !WPACKET_close(thispkt)) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
if (rl->msg_callback != NULL) {
unsigned char *recordstart;
recordstart = WPACKET_get_curr(thispkt) - len - headerlen;
rl->msg_callback(1, thiswr->rec_version, SSL3_RT_HEADER, recordstart,
headerlen, rl->cbarg);
if (rl->version == TLS1_3_VERSION && rl->enc_ctx != NULL) {
unsigned char ctype = thistempl->type;
rl->msg_callback(1, thiswr->rec_version, SSL3_RT_INNER_CONTENT_TYPE,
&ctype, 1, rl->cbarg);
}
}
if (!WPACKET_finish(thispkt)) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
TLS_RL_RECORD_add_length(thiswr, headerlen);
return 1;
}
int tls_write_records_default(OSSL_RECORD_LAYER *rl,
OSSL_RECORD_TEMPLATE *templates,
size_t numtempl)
{
WPACKET pkt[SSL_MAX_PIPELINES + 1];
TLS_RL_RECORD wr[SSL_MAX_PIPELINES + 1];
WPACKET *thispkt;
TLS_RL_RECORD *thiswr;
int mac_size = 0, ret = 0;
size_t wpinited = 0;
size_t j, prefix = 0;
OSSL_RECORD_TEMPLATE prefixtempl;
OSSL_RECORD_TEMPLATE *thistempl;
if (rl->md_ctx != NULL && EVP_MD_CTX_get0_md(rl->md_ctx) != NULL) {
mac_size = EVP_MD_CTX_get_size(rl->md_ctx);
if (mac_size < 0) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
}
if (!rl->funcs->allocate_write_buffers(rl, templates, numtempl, &prefix)) {
goto err;
}
if (!rl->funcs->initialise_write_packets(rl, templates, numtempl,
&prefixtempl, pkt, rl->wbuf,
&wpinited)) {
goto err;
}
memset(wr, 0, sizeof(wr));
for (j = 0; j < numtempl + prefix; j++) {
unsigned char *compressdata = NULL;
uint8_t rectype;
thispkt = &pkt[j];
thiswr = &wr[j];
thistempl = (j < prefix) ? &prefixtempl : &templates[j - prefix];
if (rl->funcs->get_record_type != NULL)
rectype = rl->funcs->get_record_type(rl, thistempl);
else
rectype = thistempl->type;
TLS_RL_RECORD_set_type(thiswr, rectype);
TLS_RL_RECORD_set_rec_version(thiswr, thistempl->version);
if (!rl->funcs->prepare_record_header(rl, thispkt, thistempl, rectype,
&compressdata)) {
goto err;
}
TLS_RL_RECORD_set_data(thiswr, compressdata);
TLS_RL_RECORD_set_length(thiswr, thistempl->buflen);
TLS_RL_RECORD_set_input(thiswr, (unsigned char *)thistempl->buf);
if (rl->compctx != NULL) {
if (!tls_do_compress(rl, thiswr)
|| !WPACKET_allocate_bytes(thispkt, thiswr->length, NULL)) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, SSL_R_COMPRESSION_FAILURE);
goto err;
}
} else if (compressdata != NULL) {
if (!WPACKET_memcpy(thispkt, thiswr->input, thiswr->length)) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
TLS_RL_RECORD_reset_input(&wr[j]);
}
if (rl->funcs->add_record_padding != NULL
&& !rl->funcs->add_record_padding(rl, thistempl, thispkt,
thiswr)) {
goto err;
}
if (!rl->funcs->prepare_for_encryption(rl, mac_size, thispkt, thiswr)) {
goto err;
}
}
if (prefix) {
if (rl->funcs->cipher(rl, wr, 1, 1, NULL, mac_size) < 1) {
if (rl->alert == SSL_AD_NO_ALERT) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
}
goto err;
}
}
if (rl->funcs->cipher(rl, wr + prefix, numtempl, 1, NULL, mac_size) < 1) {
if (rl->alert == SSL_AD_NO_ALERT) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
}
goto err;
}
for (j = 0; j < numtempl + prefix; j++) {
thispkt = &pkt[j];
thiswr = &wr[j];
thistempl = (j < prefix) ? &prefixtempl : &templates[j - prefix];
if (!rl->funcs->post_encryption_processing(rl, mac_size, thistempl,
thispkt, thiswr)) {
goto err;
}
TLS_BUFFER_set_left(&rl->wbuf[j], TLS_RL_RECORD_get_length(thiswr));
}
ret = 1;
err:
for (j = 0; j < wpinited; j++)
WPACKET_cleanup(&pkt[j]);
return ret;
}
int tls_write_records(OSSL_RECORD_LAYER *rl, OSSL_RECORD_TEMPLATE *templates,
size_t numtempl)
{
if (!ossl_assert(rl->nextwbuf >= rl->numwpipes
|| TLS_BUFFER_get_left(&rl->wbuf[rl->nextwbuf]) == 0)) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
return OSSL_RECORD_RETURN_FATAL;
}
if (!rl->funcs->write_records(rl, templates, numtempl)) {
return OSSL_RECORD_RETURN_FATAL;
}
rl->nextwbuf = 0;
return tls_retry_write_records(rl);
}
int tls_retry_write_records(OSSL_RECORD_LAYER *rl)
{
int i, ret;
TLS_BUFFER *thiswb;
size_t tmpwrit = 0;
if (rl->nextwbuf >= rl->numwpipes)
return OSSL_RECORD_RETURN_SUCCESS;
for (;;) {
thiswb = &rl->wbuf[rl->nextwbuf];
clear_sys_error();
if (rl->bio != NULL) {
if (rl->funcs->prepare_write_bio != NULL) {
ret = rl->funcs->prepare_write_bio(rl, thiswb->type);
if (ret != OSSL_RECORD_RETURN_SUCCESS)
return ret;
}
i = BIO_write(rl->bio, (char *)
&(TLS_BUFFER_get_buf(thiswb)
[TLS_BUFFER_get_offset(thiswb)]),
(unsigned int)TLS_BUFFER_get_left(thiswb));
if (i >= 0) {
tmpwrit = i;
if (i == 0 && BIO_should_retry(rl->bio))
ret = OSSL_RECORD_RETURN_RETRY;
else
ret = OSSL_RECORD_RETURN_SUCCESS;
} else {
if (BIO_should_retry(rl->bio))
ret = OSSL_RECORD_RETURN_RETRY;
else
ret = OSSL_RECORD_RETURN_FATAL;
}
} else {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, SSL_R_BIO_NOT_SET);
ret = OSSL_RECORD_RETURN_FATAL;
i = -1;
}
if (i >= 0 && tmpwrit == TLS_BUFFER_get_left(thiswb)) {
TLS_BUFFER_set_left(thiswb, 0);
TLS_BUFFER_add_offset(thiswb, tmpwrit);
if (++(rl->nextwbuf) < rl->numwpipes)
continue;
if (rl->nextwbuf == rl->numwpipes
&& (rl->mode & SSL_MODE_RELEASE_BUFFERS) != 0)
tls_release_write_buffer(rl);
return OSSL_RECORD_RETURN_SUCCESS;
} else if (i <= 0) {
if (rl->isdtls) {
TLS_BUFFER_set_left(thiswb, 0);
if (++(rl->nextwbuf) == rl->numwpipes
&& (rl->mode & SSL_MODE_RELEASE_BUFFERS) != 0)
tls_release_write_buffer(rl);
}
return ret;
}
TLS_BUFFER_add_offset(thiswb, tmpwrit);
TLS_BUFFER_sub_left(thiswb, tmpwrit);
}
}
int tls_get_alert_code(OSSL_RECORD_LAYER *rl)
{
return rl->alert;
}
int tls_set1_bio(OSSL_RECORD_LAYER *rl, BIO *bio)
{
if (bio != NULL && !BIO_up_ref(bio))
return 0;
BIO_free(rl->bio);
rl->bio = bio;
return 1;
}
int tls_default_set_protocol_version(OSSL_RECORD_LAYER *rl, int version)
{
if (rl->version != version)
return 0;
return 1;
}
int tls_set_protocol_version(OSSL_RECORD_LAYER *rl, int version)
{
return rl->funcs->set_protocol_version(rl, version);
}
void tls_set_plain_alerts(OSSL_RECORD_LAYER *rl, int allow)
{
rl->allow_plain_alerts = allow;
}
void tls_set_first_handshake(OSSL_RECORD_LAYER *rl, int first)
{
rl->is_first_handshake = first;
}
void tls_set_max_pipelines(OSSL_RECORD_LAYER *rl, size_t max_pipelines)
{
rl->max_pipelines = max_pipelines;
if (max_pipelines > 1)
rl->read_ahead = 1;
}
void tls_get_state(OSSL_RECORD_LAYER *rl, const char **shortstr,
const char **longstr)
{
const char *shrt, *lng;
switch (rl->rstate) {
case SSL_ST_READ_HEADER:
shrt = "RH";
lng = "read header";
break;
case SSL_ST_READ_BODY:
shrt = "RB";
lng = "read body";
break;
default:
shrt = lng = "unknown";
break;
}
if (shortstr != NULL)
*shortstr = shrt;
if (longstr != NULL)
*longstr = lng;
}
const COMP_METHOD *tls_get_compression(OSSL_RECORD_LAYER *rl)
{
#ifndef OPENSSL_NO_COMP
return (rl->compctx == NULL) ? NULL : COMP_CTX_get_method(rl->compctx);
#else
return NULL;
#endif
}
void tls_set_max_frag_len(OSSL_RECORD_LAYER *rl, size_t max_frag_len)
{
rl->max_frag_len = max_frag_len;
}
int tls_increment_sequence_ctr(OSSL_RECORD_LAYER *rl)
{
int i;
for (i = SEQ_NUM_SIZE; i > 0; i--) {
++(rl->sequence[i - 1]);
if (rl->sequence[i - 1] != 0)
break;
}
if (i == 0) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, SSL_R_SEQUENCE_CTR_WRAPPED);
return 0;
}
return 1;
}
int tls_alloc_buffers(OSSL_RECORD_LAYER *rl)
{
if (rl->direction == OSSL_RECORD_DIRECTION_WRITE) {
if (rl->nextwbuf < rl->numwpipes)
return 1;
if (!tls_setup_write_buffer(rl, 1, 0, 0))
return 0;
TLS_BUFFER_set_left(&rl->wbuf[0], 0);
return 1;
}
if (rl->curr_rec < rl->num_recs || TLS_BUFFER_get_left(&rl->rbuf) != 0)
return 1;
return tls_setup_read_buffer(rl);
}
int tls_free_buffers(OSSL_RECORD_LAYER *rl)
{
if (rl->direction == OSSL_RECORD_DIRECTION_WRITE) {
if (rl->nextwbuf < rl->numwpipes) {
if (rl->nextwbuf != 0
|| rl->numwpipes != 1
|| TLS_BUFFER_get_left(&rl->wbuf[0]) != 0)
return 0;
}
tls_release_write_buffer(rl);
return 1;
}
if (rl->curr_rec < rl->num_recs || TLS_BUFFER_get_left(&rl->rbuf) != 0)
return 0;
return tls_release_read_buffer(rl);
}
const OSSL_RECORD_METHOD ossl_tls_record_method = {
tls_new_record_layer,
tls_free,
tls_unprocessed_read_pending,
tls_processed_read_pending,
tls_app_data_pending,
tls_get_max_records,
tls_write_records,
tls_retry_write_records,
tls_read_record,
tls_release_record,
tls_get_alert_code,
tls_set1_bio,
tls_set_protocol_version,
tls_set_plain_alerts,
tls_set_first_handshake,
tls_set_max_pipelines,
NULL,
tls_get_state,
tls_set_options,
tls_get_compression,
tls_set_max_frag_len,
NULL,
tls_increment_sequence_ctr,
tls_alloc_buffers,
tls_free_buffers
};
| methods | openssl/ssl/record/methods/tls_common.c | openssl |
#include "internal/deprecated.h"
#include <openssl/evp.h>
#ifndef FIPS_MODULE
# include <openssl/md5.h>
#endif
#include <openssl/sha.h>
#include "internal/ssl3_cbc.h"
#include "internal/constant_time.h"
#include "internal/cryptlib.h"
#define MAX_HASH_BIT_COUNT_BYTES 16
#define MAX_HASH_BLOCK_SIZE 128
#ifndef FIPS_MODULE
# define u32toLE(n, p) \
(*((p)++) = (unsigned char)(n ), \
*((p)++) = (unsigned char)(n >> 8), \
*((p)++) = (unsigned char)(n >> 16), \
*((p)++) = (unsigned char)(n >> 24))
static void tls1_md5_final_raw(void *ctx, unsigned char *md_out)
{
MD5_CTX *md5 = ctx;
u32toLE(md5->A, md_out);
u32toLE(md5->B, md_out);
u32toLE(md5->C, md_out);
u32toLE(md5->D, md_out);
}
#endif
static void tls1_sha1_final_raw(void *ctx, unsigned char *md_out)
{
SHA_CTX *sha1 = ctx;
l2n(sha1->h0, md_out);
l2n(sha1->h1, md_out);
l2n(sha1->h2, md_out);
l2n(sha1->h3, md_out);
l2n(sha1->h4, md_out);
}
static void tls1_sha256_final_raw(void *ctx, unsigned char *md_out)
{
SHA256_CTX *sha256 = ctx;
unsigned i;
for (i = 0; i < 8; i++)
l2n(sha256->h[i], md_out);
}
static void tls1_sha512_final_raw(void *ctx, unsigned char *md_out)
{
SHA512_CTX *sha512 = ctx;
unsigned i;
for (i = 0; i < 8; i++)
l2n8(sha512->h[i], md_out);
}
#undef LARGEST_DIGEST_CTX
#define LARGEST_DIGEST_CTX SHA512_CTX
int ssl3_cbc_digest_record(const EVP_MD *md,
unsigned char *md_out,
size_t *md_out_size,
const unsigned char *header,
const unsigned char *data,
size_t data_size,
size_t data_plus_mac_plus_padding_size,
const unsigned char *mac_secret,
size_t mac_secret_length, char is_sslv3)
{
union {
OSSL_UNION_ALIGN;
unsigned char c[sizeof(LARGEST_DIGEST_CTX)];
} md_state;
void (*md_final_raw) (void *ctx, unsigned char *md_out);
void (*md_transform) (void *ctx, const unsigned char *block);
size_t md_size, md_block_size = 64;
size_t sslv3_pad_length = 40, header_length, variance_blocks,
len, max_mac_bytes, num_blocks,
num_starting_blocks, k, mac_end_offset, c, index_a, index_b;
size_t bits;
unsigned char length_bytes[MAX_HASH_BIT_COUNT_BYTES];
unsigned char hmac_pad[MAX_HASH_BLOCK_SIZE];
unsigned char first_block[MAX_HASH_BLOCK_SIZE];
unsigned char mac_out[EVP_MAX_MD_SIZE];
size_t i, j;
unsigned md_out_size_u;
EVP_MD_CTX *md_ctx = NULL;
size_t md_length_size = 8;
char length_is_big_endian = 1;
int ret = 0;
if (!ossl_assert(data_plus_mac_plus_padding_size < 1024 * 1024))
return 0;
if (EVP_MD_is_a(md, "MD5")) {
#ifdef FIPS_MODULE
return 0;
#else
if (MD5_Init((MD5_CTX *)md_state.c) <= 0)
return 0;
md_final_raw = tls1_md5_final_raw;
md_transform =
(void (*)(void *ctx, const unsigned char *block))MD5_Transform;
md_size = 16;
sslv3_pad_length = 48;
length_is_big_endian = 0;
#endif
} else if (EVP_MD_is_a(md, "SHA1")) {
if (SHA1_Init((SHA_CTX *)md_state.c) <= 0)
return 0;
md_final_raw = tls1_sha1_final_raw;
md_transform =
(void (*)(void *ctx, const unsigned char *block))SHA1_Transform;
md_size = 20;
} else if (EVP_MD_is_a(md, "SHA2-224")) {
if (SHA224_Init((SHA256_CTX *)md_state.c) <= 0)
return 0;
md_final_raw = tls1_sha256_final_raw;
md_transform =
(void (*)(void *ctx, const unsigned char *block))SHA256_Transform;
md_size = 224 / 8;
} else if (EVP_MD_is_a(md, "SHA2-256")) {
if (SHA256_Init((SHA256_CTX *)md_state.c) <= 0)
return 0;
md_final_raw = tls1_sha256_final_raw;
md_transform =
(void (*)(void *ctx, const unsigned char *block))SHA256_Transform;
md_size = 32;
} else if (EVP_MD_is_a(md, "SHA2-384")) {
if (SHA384_Init((SHA512_CTX *)md_state.c) <= 0)
return 0;
md_final_raw = tls1_sha512_final_raw;
md_transform =
(void (*)(void *ctx, const unsigned char *block))SHA512_Transform;
md_size = 384 / 8;
md_block_size = 128;
md_length_size = 16;
} else if (EVP_MD_is_a(md, "SHA2-512")) {
if (SHA512_Init((SHA512_CTX *)md_state.c) <= 0)
return 0;
md_final_raw = tls1_sha512_final_raw;
md_transform =
(void (*)(void *ctx, const unsigned char *block))SHA512_Transform;
md_size = 64;
md_block_size = 128;
md_length_size = 16;
} else {
if (md_out_size != NULL)
*md_out_size = 0;
return ossl_assert(0);
}
if (!ossl_assert(md_length_size <= MAX_HASH_BIT_COUNT_BYTES)
|| !ossl_assert(md_block_size <= MAX_HASH_BLOCK_SIZE)
|| !ossl_assert(md_size <= EVP_MAX_MD_SIZE))
return 0;
header_length = 13;
if (is_sslv3) {
header_length = mac_secret_length
+ sslv3_pad_length
+ 8
+ 1
+ 2;
}
variance_blocks = is_sslv3 ? 2
: (((255 + 1 + md_size + md_block_size - 1)
/ md_block_size) + 1);
len = data_plus_mac_plus_padding_size + header_length;
max_mac_bytes = len - md_size - 1;
num_blocks =
(max_mac_bytes + 1 + md_length_size + md_block_size -
1) / md_block_size;
num_starting_blocks = 0;
k = 0;
mac_end_offset = data_size + header_length;
c = mac_end_offset % md_block_size;
index_a = mac_end_offset / md_block_size;
index_b = (mac_end_offset + md_length_size) / md_block_size;
if (num_blocks > variance_blocks + (is_sslv3 ? 1 : 0)) {
num_starting_blocks = num_blocks - variance_blocks;
k = md_block_size * num_starting_blocks;
}
bits = 8 * mac_end_offset;
if (!is_sslv3) {
bits += 8 * md_block_size;
memset(hmac_pad, 0, md_block_size);
if (!ossl_assert(mac_secret_length <= sizeof(hmac_pad)))
return 0;
memcpy(hmac_pad, mac_secret, mac_secret_length);
for (i = 0; i < md_block_size; i++)
hmac_pad[i] ^= 0x36;
md_transform(md_state.c, hmac_pad);
}
if (length_is_big_endian) {
memset(length_bytes, 0, md_length_size - 4);
length_bytes[md_length_size - 4] = (unsigned char)(bits >> 24);
length_bytes[md_length_size - 3] = (unsigned char)(bits >> 16);
length_bytes[md_length_size - 2] = (unsigned char)(bits >> 8);
length_bytes[md_length_size - 1] = (unsigned char)bits;
} else {
memset(length_bytes, 0, md_length_size);
length_bytes[md_length_size - 5] = (unsigned char)(bits >> 24);
length_bytes[md_length_size - 6] = (unsigned char)(bits >> 16);
length_bytes[md_length_size - 7] = (unsigned char)(bits >> 8);
length_bytes[md_length_size - 8] = (unsigned char)bits;
}
if (k > 0) {
if (is_sslv3) {
size_t overhang;
if (header_length <= md_block_size) {
return 0;
}
overhang = header_length - md_block_size;
md_transform(md_state.c, header);
memcpy(first_block, header + md_block_size, overhang);
memcpy(first_block + overhang, data, md_block_size - overhang);
md_transform(md_state.c, first_block);
for (i = 1; i < k / md_block_size - 1; i++)
md_transform(md_state.c, data + md_block_size * i - overhang);
} else {
memcpy(first_block, header, 13);
memcpy(first_block + 13, data, md_block_size - 13);
md_transform(md_state.c, first_block);
for (i = 1; i < k / md_block_size; i++)
md_transform(md_state.c, data + md_block_size * i - 13);
}
}
memset(mac_out, 0, sizeof(mac_out));
for (i = num_starting_blocks; i <= num_starting_blocks + variance_blocks;
i++) {
unsigned char block[MAX_HASH_BLOCK_SIZE];
unsigned char is_block_a = constant_time_eq_8_s(i, index_a);
unsigned char is_block_b = constant_time_eq_8_s(i, index_b);
for (j = 0; j < md_block_size; j++) {
unsigned char b = 0, is_past_c, is_past_cp1;
if (k < header_length)
b = header[k];
else if (k < data_plus_mac_plus_padding_size + header_length)
b = data[k - header_length];
k++;
is_past_c = is_block_a & constant_time_ge_8_s(j, c);
is_past_cp1 = is_block_a & constant_time_ge_8_s(j, c + 1);
b = constant_time_select_8(is_past_c, 0x80, b);
b = b & ~is_past_cp1;
b &= ~is_block_b | is_block_a;
if (j >= md_block_size - md_length_size) {
b = constant_time_select_8(is_block_b,
length_bytes[j -
(md_block_size -
md_length_size)], b);
}
block[j] = b;
}
md_transform(md_state.c, block);
md_final_raw(md_state.c, block);
for (j = 0; j < md_size; j++)
mac_out[j] |= block[j] & is_block_b;
}
md_ctx = EVP_MD_CTX_new();
if (md_ctx == NULL)
goto err;
if (EVP_DigestInit_ex(md_ctx, md, NULL ) <= 0)
goto err;
if (is_sslv3) {
memset(hmac_pad, 0x5c, sslv3_pad_length);
if (EVP_DigestUpdate(md_ctx, mac_secret, mac_secret_length) <= 0
|| EVP_DigestUpdate(md_ctx, hmac_pad, sslv3_pad_length) <= 0
|| EVP_DigestUpdate(md_ctx, mac_out, md_size) <= 0)
goto err;
} else {
for (i = 0; i < md_block_size; i++)
hmac_pad[i] ^= 0x6a;
if (EVP_DigestUpdate(md_ctx, hmac_pad, md_block_size) <= 0
|| EVP_DigestUpdate(md_ctx, mac_out, md_size) <= 0)
goto err;
}
ret = EVP_DigestFinal(md_ctx, md_out, &md_out_size_u);
if (ret && md_out_size)
*md_out_size = md_out_size_u;
ret = 1;
err:
EVP_MD_CTX_free(md_ctx);
return ret;
}
| methods | openssl/ssl/record/methods/ssl3_cbc.c | openssl |
#include "../../ssl_local.h"
#include "../record_local.h"
#include "recmethod_local.h"
#if defined(OPENSSL_SMALL_FOOTPRINT) \
|| !(defined(AES_ASM) && (defined(__x86_64) \
|| defined(__x86_64__) \
|| defined(_M_AMD64) \
|| defined(_M_X64)))
# undef EVP_CIPH_FLAG_TLS1_1_MULTIBLOCK
# define EVP_CIPH_FLAG_TLS1_1_MULTIBLOCK 0
#endif
static int tls_is_multiblock_capable(OSSL_RECORD_LAYER *rl, uint8_t type,
size_t len, size_t fraglen)
{
#if !defined(OPENSSL_NO_MULTIBLOCK) && EVP_CIPH_FLAG_TLS1_1_MULTIBLOCK
if (type == SSL3_RT_APPLICATION_DATA
&& len >= 4 * fraglen
&& rl->compctx == NULL
&& rl->msg_callback == NULL
&& !rl->use_etm
&& RLAYER_USE_EXPLICIT_IV(rl)
&& !BIO_get_ktls_send(rl->bio)
&& (EVP_CIPHER_get_flags(EVP_CIPHER_CTX_get0_cipher(rl->enc_ctx))
& EVP_CIPH_FLAG_TLS1_1_MULTIBLOCK) != 0)
return 1;
#endif
return 0;
}
size_t tls_get_max_records_multiblock(OSSL_RECORD_LAYER *rl, uint8_t type,
size_t len, size_t maxfrag,
size_t *preffrag)
{
if (tls_is_multiblock_capable(rl, type, len, *preffrag)) {
if ((*preffrag & 0xfff) == 0)
*preffrag -= 512;
if (len >= 8 * (*preffrag))
return 8;
return 4;
}
return tls_get_max_records_default(rl, type, len, maxfrag, preffrag);
}
static int tls_write_records_multiblock_int(OSSL_RECORD_LAYER *rl,
OSSL_RECORD_TEMPLATE *templates,
size_t numtempl)
{
#if !defined(OPENSSL_NO_MULTIBLOCK) && EVP_CIPH_FLAG_TLS1_1_MULTIBLOCK
size_t i;
size_t totlen;
TLS_BUFFER *wb;
unsigned char aad[13];
EVP_CTRL_TLS1_1_MULTIBLOCK_PARAM mb_param;
size_t packlen;
int packleni;
if (numtempl != 4 && numtempl != 8)
return 0;
for (i = 1; i < numtempl; i++) {
if (templates[i - 1].type != templates[i].type
|| templates[i - 1].buflen != templates[i].buflen
|| templates[i - 1].buf + templates[i - 1].buflen
!= templates[i].buf)
return 0;
}
totlen = templates[0].buflen * numtempl;
if (!tls_is_multiblock_capable(rl, templates[0].type, totlen,
templates[0].buflen))
return 0;
packlen = EVP_CIPHER_CTX_ctrl(rl->enc_ctx,
EVP_CTRL_TLS1_1_MULTIBLOCK_MAX_BUFSIZE,
(int)templates[0].buflen, NULL);
packlen *= numtempl;
if (!tls_setup_write_buffer(rl, 1, packlen, packlen)) {
return -1;
}
wb = &rl->wbuf[0];
mb_param.interleave = numtempl;
memcpy(aad, rl->sequence, 8);
aad[8] = templates[0].type;
aad[9] = (unsigned char)(templates[0].version >> 8);
aad[10] = (unsigned char)(templates[0].version);
aad[11] = 0;
aad[12] = 0;
mb_param.out = NULL;
mb_param.inp = aad;
mb_param.len = totlen;
packleni = EVP_CIPHER_CTX_ctrl(rl->enc_ctx,
EVP_CTRL_TLS1_1_MULTIBLOCK_AAD,
sizeof(mb_param), &mb_param);
packlen = (size_t)packleni;
if (packleni <= 0 || packlen > wb->len) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return -1;
}
mb_param.out = wb->buf;
mb_param.inp = templates[0].buf;
mb_param.len = totlen;
if (EVP_CIPHER_CTX_ctrl(rl->enc_ctx,
EVP_CTRL_TLS1_1_MULTIBLOCK_ENCRYPT,
sizeof(mb_param), &mb_param) <= 0) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return -1;
}
rl->sequence[7] += mb_param.interleave;
if (rl->sequence[7] < mb_param.interleave) {
int j = 6;
while (j >= 0 && (++rl->sequence[j--]) == 0) ;
}
wb->offset = 0;
wb->left = packlen;
return 1;
#else
return 0;
#endif
}
int tls_write_records_multiblock(OSSL_RECORD_LAYER *rl,
OSSL_RECORD_TEMPLATE *templates,
size_t numtempl)
{
int ret;
ret = tls_write_records_multiblock_int(rl, templates, numtempl);
if (ret < 0) {
return 0;
}
if (ret == 0) {
if (!tls_write_records_default(rl, templates, numtempl)) {
return 0;
}
}
return 1;
}
| methods | openssl/ssl/record/methods/tls_multib.c | openssl |
#include <openssl/evp.h>
#include <openssl/core_names.h>
#include <openssl/rand.h>
#include <openssl/ssl.h>
#include "internal/ssl3_cbc.h"
#include "../../ssl_local.h"
#include "../record_local.h"
#include "recmethod_local.h"
static int tls1_set_crypto_state(OSSL_RECORD_LAYER *rl, int level,
unsigned char *key, size_t keylen,
unsigned char *iv, size_t ivlen,
unsigned char *mackey, size_t mackeylen,
const EVP_CIPHER *ciph,
size_t taglen,
int mactype,
const EVP_MD *md,
COMP_METHOD *comp)
{
EVP_CIPHER_CTX *ciph_ctx;
EVP_PKEY *mac_key;
int enc = (rl->direction == OSSL_RECORD_DIRECTION_WRITE) ? 1 : 0;
if (level != OSSL_RECORD_PROTECTION_LEVEL_APPLICATION)
return OSSL_RECORD_RETURN_FATAL;
if ((rl->enc_ctx = EVP_CIPHER_CTX_new()) == NULL) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, ERR_R_EVP_LIB);
return OSSL_RECORD_RETURN_FATAL;
}
ciph_ctx = rl->enc_ctx;
rl->md_ctx = EVP_MD_CTX_new();
if (rl->md_ctx == NULL) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return OSSL_RECORD_RETURN_FATAL;
}
#ifndef OPENSSL_NO_COMP
if (comp != NULL) {
rl->compctx = COMP_CTX_new(comp);
if (rl->compctx == NULL) {
ERR_raise(ERR_LIB_SSL, SSL_R_COMPRESSION_LIBRARY_ERROR);
return OSSL_RECORD_RETURN_FATAL;
}
}
#endif
if ((EVP_CIPHER_get_flags(ciph) & EVP_CIPH_FLAG_AEAD_CIPHER) == 0) {
if (mactype == EVP_PKEY_HMAC) {
mac_key = EVP_PKEY_new_raw_private_key_ex(rl->libctx, "HMAC",
rl->propq, mackey,
mackeylen);
} else {
mac_key = EVP_PKEY_new_mac_key(mactype, NULL, mackey,
(int)mackeylen);
}
if (mac_key == NULL
|| EVP_DigestSignInit_ex(rl->md_ctx, NULL, EVP_MD_get0_name(md),
rl->libctx, rl->propq, mac_key,
NULL) <= 0) {
EVP_PKEY_free(mac_key);
ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
return OSSL_RECORD_RETURN_FATAL;
}
EVP_PKEY_free(mac_key);
}
if (EVP_CIPHER_get_mode(ciph) == EVP_CIPH_GCM_MODE) {
if (!EVP_CipherInit_ex(ciph_ctx, ciph, NULL, key, NULL, enc)
|| EVP_CIPHER_CTX_ctrl(ciph_ctx, EVP_CTRL_GCM_SET_IV_FIXED,
(int)ivlen, iv) <= 0) {
ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
return OSSL_RECORD_RETURN_FATAL;
}
} else if (EVP_CIPHER_get_mode(ciph) == EVP_CIPH_CCM_MODE) {
if (!EVP_CipherInit_ex(ciph_ctx, ciph, NULL, NULL, NULL, enc)
|| EVP_CIPHER_CTX_ctrl(ciph_ctx, EVP_CTRL_AEAD_SET_IVLEN, 12,
NULL) <= 0
|| EVP_CIPHER_CTX_ctrl(ciph_ctx, EVP_CTRL_AEAD_SET_TAG,
(int)taglen, NULL) <= 0
|| EVP_CIPHER_CTX_ctrl(ciph_ctx, EVP_CTRL_CCM_SET_IV_FIXED,
(int)ivlen, iv) <= 0
|| !EVP_CipherInit_ex(ciph_ctx, NULL, NULL, key, NULL, enc)) {
ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
return OSSL_RECORD_RETURN_FATAL;
}
} else {
if (!EVP_CipherInit_ex(ciph_ctx, ciph, NULL, key, iv, enc)) {
ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
return OSSL_RECORD_RETURN_FATAL;
}
}
if ((EVP_CIPHER_get_flags(ciph) & EVP_CIPH_FLAG_AEAD_CIPHER) != 0
&& mackeylen != 0
&& EVP_CIPHER_CTX_ctrl(ciph_ctx, EVP_CTRL_AEAD_SET_MAC_KEY,
(int)mackeylen, mackey) <= 0) {
ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
return OSSL_RECORD_RETURN_FATAL;
}
if (EVP_CIPHER_get0_provider(EVP_CIPHER_CTX_get0_cipher(ciph_ctx)) != NULL
&& !ossl_set_tls_provider_parameters(rl, ciph_ctx, ciph, md)) {
return OSSL_RECORD_RETURN_FATAL;
}
if (RLAYER_USE_EXPLICIT_IV(rl)) {
int mode = EVP_CIPHER_CTX_get_mode(ciph_ctx);
int eivlen = 0;
if (mode == EVP_CIPH_CBC_MODE) {
eivlen = EVP_CIPHER_CTX_get_iv_length(ciph_ctx);
if (eivlen < 0) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, SSL_R_LIBRARY_BUG);
return OSSL_RECORD_RETURN_FATAL;
}
if (eivlen <= 1)
eivlen = 0;
} else if (mode == EVP_CIPH_GCM_MODE) {
eivlen = EVP_GCM_TLS_EXPLICIT_IV_LEN;
} else if (mode == EVP_CIPH_CCM_MODE) {
eivlen = EVP_CCM_TLS_EXPLICIT_IV_LEN;
}
rl->eivlen = (size_t)eivlen;
}
return OSSL_RECORD_RETURN_SUCCESS;
}
#define MAX_PADDING 256
static int tls1_cipher(OSSL_RECORD_LAYER *rl, TLS_RL_RECORD *recs,
size_t n_recs, int sending, SSL_MAC_BUF *macs,
size_t macsize)
{
EVP_CIPHER_CTX *ds;
size_t reclen[SSL_MAX_PIPELINES];
unsigned char buf[SSL_MAX_PIPELINES][EVP_AEAD_TLS1_AAD_LEN];
unsigned char *data[SSL_MAX_PIPELINES];
int pad = 0, tmpr, provided;
size_t bs, ctr, padnum, loop;
unsigned char padval;
const EVP_CIPHER *enc;
if (n_recs == 0) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
if (EVP_MD_CTX_get0_md(rl->md_ctx)) {
int n = EVP_MD_CTX_get_size(rl->md_ctx);
if (!ossl_assert(n >= 0)) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
}
ds = rl->enc_ctx;
if (!ossl_assert(rl->enc_ctx != NULL)) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
enc = EVP_CIPHER_CTX_get0_cipher(rl->enc_ctx);
if (sending) {
int ivlen;
if (RLAYER_USE_EXPLICIT_IV(rl)
&& EVP_CIPHER_get_mode(enc) == EVP_CIPH_CBC_MODE)
ivlen = EVP_CIPHER_get_iv_length(enc);
else
ivlen = 0;
if (ivlen > 1) {
for (ctr = 0; ctr < n_recs; ctr++) {
if (recs[ctr].data != recs[ctr].input) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
} else if (RAND_bytes_ex(rl->libctx, recs[ctr].input,
ivlen, 0) <= 0) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
}
}
}
if (!ossl_assert(enc != NULL)) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
provided = (EVP_CIPHER_get0_provider(enc) != NULL);
bs = EVP_CIPHER_get_block_size(EVP_CIPHER_CTX_get0_cipher(ds));
if (bs == 0) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, SSL_R_BAD_CIPHER);
return 0;
}
if (n_recs > 1) {
if ((EVP_CIPHER_get_flags(EVP_CIPHER_CTX_get0_cipher(ds))
& EVP_CIPH_FLAG_PIPELINE) == 0) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, SSL_R_PIPELINE_FAILURE);
return 0;
}
}
for (ctr = 0; ctr < n_recs; ctr++) {
reclen[ctr] = recs[ctr].length;
if ((EVP_CIPHER_get_flags(EVP_CIPHER_CTX_get0_cipher(ds))
& EVP_CIPH_FLAG_AEAD_CIPHER) != 0) {
unsigned char *seq;
seq = rl->sequence;
if (rl->isdtls) {
unsigned char dtlsseq[8], *p = dtlsseq;
s2n(rl->epoch, p);
memcpy(p, &seq[2], 6);
memcpy(buf[ctr], dtlsseq, 8);
} else {
memcpy(buf[ctr], seq, 8);
if (!tls_increment_sequence_ctr(rl)) {
return 0;
}
}
buf[ctr][8] = recs[ctr].type;
buf[ctr][9] = (unsigned char)(rl->version >> 8);
buf[ctr][10] = (unsigned char)(rl->version);
buf[ctr][11] = (unsigned char)(recs[ctr].length >> 8);
buf[ctr][12] = (unsigned char)(recs[ctr].length & 0xff);
pad = EVP_CIPHER_CTX_ctrl(ds, EVP_CTRL_AEAD_TLS1_AAD,
EVP_AEAD_TLS1_AAD_LEN, buf[ctr]);
if (pad <= 0) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
if (sending) {
reclen[ctr] += pad;
recs[ctr].length += pad;
}
} else if ((bs != 1) && sending && !provided) {
padnum = bs - (reclen[ctr] % bs);
if (padnum > MAX_PADDING) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
padval = (unsigned char)(padnum - 1);
for (loop = reclen[ctr]; loop < reclen[ctr] + padnum; loop++)
recs[ctr].input[loop] = padval;
reclen[ctr] += padnum;
recs[ctr].length += padnum;
}
if (!sending) {
if (reclen[ctr] == 0 || reclen[ctr] % bs != 0) {
return 0;
}
}
}
if (n_recs > 1) {
for (ctr = 0; ctr < n_recs; ctr++)
data[ctr] = recs[ctr].data;
if (EVP_CIPHER_CTX_ctrl(ds, EVP_CTRL_SET_PIPELINE_OUTPUT_BUFS,
(int)n_recs, data) <= 0) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, SSL_R_PIPELINE_FAILURE);
return 0;
}
for (ctr = 0; ctr < n_recs; ctr++)
data[ctr] = recs[ctr].input;
if (EVP_CIPHER_CTX_ctrl(ds, EVP_CTRL_SET_PIPELINE_INPUT_BUFS,
(int)n_recs, data) <= 0
|| EVP_CIPHER_CTX_ctrl(ds, EVP_CTRL_SET_PIPELINE_INPUT_LENS,
(int)n_recs, reclen) <= 0) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, SSL_R_PIPELINE_FAILURE);
return 0;
}
}
if (!rl->isdtls && rl->tlstree) {
int decrement_seq = 0;
if (sending && !rl->use_etm)
decrement_seq = 1;
if (EVP_CIPHER_CTX_ctrl(ds, EVP_CTRL_TLSTREE, decrement_seq,
rl->sequence) <= 0) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
}
if (provided) {
int outlen;
if (n_recs > 1) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
if (!EVP_CipherUpdate(ds, recs[0].data, &outlen, recs[0].input,
(unsigned int)reclen[0]))
return 0;
recs[0].length = outlen;
if (!sending) {
if (EVP_CIPHER_get_mode(enc) == EVP_CIPH_GCM_MODE) {
recs[0].data += EVP_GCM_TLS_EXPLICIT_IV_LEN;
recs[0].input += EVP_GCM_TLS_EXPLICIT_IV_LEN;
} else if (EVP_CIPHER_get_mode(enc) == EVP_CIPH_CCM_MODE) {
recs[0].data += EVP_CCM_TLS_EXPLICIT_IV_LEN;
recs[0].input += EVP_CCM_TLS_EXPLICIT_IV_LEN;
} else if (bs != 1 && RLAYER_USE_EXPLICIT_IV(rl)) {
recs[0].data += bs;
recs[0].input += bs;
recs[0].orig_len -= bs;
}
if (macs != NULL) {
OSSL_PARAM params[2], *p = params;
macs[0].alloced = 0;
*p++ = OSSL_PARAM_construct_octet_ptr(OSSL_CIPHER_PARAM_TLS_MAC,
(void **)&macs[0].mac,
macsize);
*p = OSSL_PARAM_construct_end();
if (!EVP_CIPHER_CTX_get_params(ds, params)) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR,
ERR_R_INTERNAL_ERROR);
return 0;
}
}
}
} else {
tmpr = EVP_Cipher(ds, recs[0].data, recs[0].input,
(unsigned int)reclen[0]);
if ((EVP_CIPHER_get_flags(EVP_CIPHER_CTX_get0_cipher(ds))
& EVP_CIPH_FLAG_CUSTOM_CIPHER) != 0
? (tmpr < 0)
: (tmpr == 0)) {
return 0;
}
if (!sending) {
for (ctr = 0; ctr < n_recs; ctr++) {
if (EVP_CIPHER_get_mode(enc) == EVP_CIPH_GCM_MODE) {
recs[ctr].data += EVP_GCM_TLS_EXPLICIT_IV_LEN;
recs[ctr].input += EVP_GCM_TLS_EXPLICIT_IV_LEN;
recs[ctr].length -= EVP_GCM_TLS_EXPLICIT_IV_LEN;
} else if (EVP_CIPHER_get_mode(enc) == EVP_CIPH_CCM_MODE) {
recs[ctr].data += EVP_CCM_TLS_EXPLICIT_IV_LEN;
recs[ctr].input += EVP_CCM_TLS_EXPLICIT_IV_LEN;
recs[ctr].length -= EVP_CCM_TLS_EXPLICIT_IV_LEN;
} else if (bs != 1 && RLAYER_USE_EXPLICIT_IV(rl)) {
if (recs[ctr].length < bs)
return 0;
recs[ctr].data += bs;
recs[ctr].input += bs;
recs[ctr].length -= bs;
recs[ctr].orig_len -= bs;
}
if (!tls1_cbc_remove_padding_and_mac(&recs[ctr].length,
recs[ctr].orig_len,
recs[ctr].data,
(macs != NULL) ? &macs[ctr].mac : NULL,
(macs != NULL) ? &macs[ctr].alloced
: NULL,
bs,
pad ? (size_t)pad : macsize,
(EVP_CIPHER_get_flags(enc)
& EVP_CIPH_FLAG_AEAD_CIPHER) != 0,
rl->libctx))
return 0;
}
}
}
return 1;
}
static int tls1_mac(OSSL_RECORD_LAYER *rl, TLS_RL_RECORD *rec, unsigned char *md,
int sending)
{
unsigned char *seq = rl->sequence;
EVP_MD_CTX *hash;
size_t md_size;
EVP_MD_CTX *hmac = NULL, *mac_ctx;
unsigned char header[13];
int t;
int ret = 0;
hash = rl->md_ctx;
t = EVP_MD_CTX_get_size(hash);
if (!ossl_assert(t >= 0))
return 0;
md_size = t;
if (rl->stream_mac) {
mac_ctx = hash;
} else {
hmac = EVP_MD_CTX_new();
if (hmac == NULL || !EVP_MD_CTX_copy(hmac, hash)) {
goto end;
}
mac_ctx = hmac;
}
if (!rl->isdtls
&& rl->tlstree
&& EVP_MD_CTX_ctrl(mac_ctx, EVP_MD_CTRL_TLSTREE, 0, seq) <= 0)
goto end;
if (rl->isdtls) {
unsigned char dtlsseq[8], *p = dtlsseq;
s2n(rl->epoch, p);
memcpy(p, &seq[2], 6);
memcpy(header, dtlsseq, 8);
} else {
memcpy(header, seq, 8);
}
header[8] = rec->type;
header[9] = (unsigned char)(rl->version >> 8);
header[10] = (unsigned char)(rl->version);
header[11] = (unsigned char)(rec->length >> 8);
header[12] = (unsigned char)(rec->length & 0xff);
if (!sending && !rl->use_etm
&& EVP_CIPHER_CTX_get_mode(rl->enc_ctx) == EVP_CIPH_CBC_MODE
&& ssl3_cbc_record_digest_supported(mac_ctx)) {
OSSL_PARAM tls_hmac_params[2], *p = tls_hmac_params;
*p++ = OSSL_PARAM_construct_size_t(OSSL_MAC_PARAM_TLS_DATA_SIZE,
&rec->orig_len);
*p++ = OSSL_PARAM_construct_end();
if (!EVP_PKEY_CTX_set_params(EVP_MD_CTX_get_pkey_ctx(mac_ctx),
tls_hmac_params))
goto end;
}
if (EVP_DigestSignUpdate(mac_ctx, header, sizeof(header)) <= 0
|| EVP_DigestSignUpdate(mac_ctx, rec->input, rec->length) <= 0
|| EVP_DigestSignFinal(mac_ctx, md, &md_size) <= 0)
goto end;
OSSL_TRACE_BEGIN(TLS) {
BIO_printf(trc_out, "seq:\n");
BIO_dump_indent(trc_out, seq, 8, 4);
BIO_printf(trc_out, "rec:\n");
BIO_dump_indent(trc_out, rec->data, rec->length, 4);
} OSSL_TRACE_END(TLS);
if (!rl->isdtls && !tls_increment_sequence_ctr(rl)) {
goto end;
}
OSSL_TRACE_BEGIN(TLS) {
BIO_printf(trc_out, "md:\n");
BIO_dump_indent(trc_out, md, md_size, 4);
} OSSL_TRACE_END(TLS);
ret = 1;
end:
EVP_MD_CTX_free(hmac);
return ret;
}
#if defined(SSL3_ALIGN_PAYLOAD) && SSL3_ALIGN_PAYLOAD != 0
# ifndef OPENSSL_NO_COMP
# define MAX_PREFIX_LEN ((SSL3_ALIGN_PAYLOAD - 1) \
+ SSL3_RT_SEND_MAX_ENCRYPTED_OVERHEAD \
+ SSL3_RT_HEADER_LENGTH \
+ SSL3_RT_MAX_COMPRESSED_OVERHEAD)
# else
# define MAX_PREFIX_LEN ((SSL3_ALIGN_PAYLOAD - 1) \
+ SSL3_RT_SEND_MAX_ENCRYPTED_OVERHEAD \
+ SSL3_RT_HEADER_LENGTH)
# endif
#else
# ifndef OPENSSL_NO_COMP
# define MAX_PREFIX_LEN (SSL3_RT_SEND_MAX_ENCRYPTED_OVERHEAD \
+ SSL3_RT_HEADER_LENGTH \
+ SSL3_RT_MAX_COMPRESSED_OVERHEAD)
# else
# define MAX_PREFIX_LEN (SSL3_RT_SEND_MAX_ENCRYPTED_OVERHEAD \
+ SSL3_RT_HEADER_LENGTH)
# endif
#endif
int tls1_allocate_write_buffers(OSSL_RECORD_LAYER *rl,
OSSL_RECORD_TEMPLATE *templates,
size_t numtempl, size_t *prefix)
{
*prefix = rl->need_empty_fragments
&& templates[0].type == SSL3_RT_APPLICATION_DATA;
if (!tls_setup_write_buffer(rl, numtempl + *prefix,
*prefix ? MAX_PREFIX_LEN : 0, 0)) {
return 0;
}
return 1;
}
int tls1_initialise_write_packets(OSSL_RECORD_LAYER *rl,
OSSL_RECORD_TEMPLATE *templates,
size_t numtempl,
OSSL_RECORD_TEMPLATE *prefixtempl,
WPACKET *pkt,
TLS_BUFFER *bufs,
size_t *wpinited)
{
size_t align = 0;
TLS_BUFFER *wb;
size_t prefix;
prefix = rl->need_empty_fragments
&& templates[0].type == SSL3_RT_APPLICATION_DATA;
if (prefix) {
prefixtempl->buf = NULL;
prefixtempl->version = templates[0].version;
prefixtempl->buflen = 0;
prefixtempl->type = SSL3_RT_APPLICATION_DATA;
wb = &bufs[0];
#if defined(SSL3_ALIGN_PAYLOAD) && SSL3_ALIGN_PAYLOAD != 0
align = (size_t)TLS_BUFFER_get_buf(wb) + SSL3_RT_HEADER_LENGTH;
align = SSL3_ALIGN_PAYLOAD - 1
- ((align - 1) % SSL3_ALIGN_PAYLOAD);
#endif
TLS_BUFFER_set_offset(wb, align);
if (!WPACKET_init_static_len(&pkt[0], TLS_BUFFER_get_buf(wb),
TLS_BUFFER_get_len(wb), 0)) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
*wpinited = 1;
if (!WPACKET_allocate_bytes(&pkt[0], align, NULL)) {
RLAYERfatal(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
}
return tls_initialise_write_packets_default(rl, templates, numtempl,
NULL,
pkt + prefix, bufs + prefix,
wpinited);
}
const struct record_functions_st tls_1_funcs = {
tls1_set_crypto_state,
tls1_cipher,
tls1_mac,
tls_default_set_protocol_version,
tls_default_read_n,
tls_get_more_records,
tls_default_validate_record_header,
tls_default_post_process_record,
tls_get_max_records_multiblock,
tls_write_records_multiblock,
tls1_allocate_write_buffers,
tls1_initialise_write_packets,
NULL,
tls_prepare_record_header_default,
NULL,
tls_prepare_for_encryption_default,
tls_post_encryption_processing_default,
NULL
};
const struct record_functions_st dtls_1_funcs = {
tls1_set_crypto_state,
tls1_cipher,
tls1_mac,
tls_default_set_protocol_version,
tls_default_read_n,
dtls_get_more_records,
NULL,
NULL,
NULL,
tls_write_records_default,
tls_allocate_write_buffers_default,
tls_initialise_write_packets_default,
NULL,
dtls_prepare_record_header,
NULL,
tls_prepare_for_encryption_default,
dtls_post_encryption_processing,
NULL
};
| methods | openssl/ssl/record/methods/tls1_meth.c | openssl |
#include <openssl/evp.h>
#include <openssl/core_names.h>
#include <openssl/rand.h>
#include "../../ssl_local.h"
#include "../record_local.h"
#include "recmethod_local.h"
#include "internal/ktls.h"
static struct record_functions_st ossl_ktls_funcs;
#if defined(__FreeBSD__)
# include "crypto/cryptodev.h"
static int ktls_int_check_supported_cipher(OSSL_RECORD_LAYER *rl,
const EVP_CIPHER *c,
const EVP_MD *md,
size_t taglen)
{
switch (rl->version) {
case TLS1_VERSION:
case TLS1_1_VERSION:
case TLS1_2_VERSION:
#ifdef OPENSSL_KTLS_TLS13
case TLS1_3_VERSION:
#endif
break;
default:
return 0;
}
if (EVP_CIPHER_is_a(c, "AES-128-GCM")
|| EVP_CIPHER_is_a(c, "AES-256-GCM")
# ifdef OPENSSL_KTLS_CHACHA20_POLY1305
|| EVP_CIPHER_is_a(c, "CHACHA20-POLY1305")
# endif
)
return 1;
if (!EVP_CIPHER_is_a(c, "AES-128-CBC")
&& !EVP_CIPHER_is_a(c, "AES-256-CBC"))
return 0;
if (rl->use_etm)
return 0;
if (md == NULL)
return 0;
if (EVP_MD_is_a(md, "SHA1")
|| EVP_MD_is_a(md, "SHA2-256")
|| EVP_MD_is_a(md, "SHA2-384"))
return 1;
return 0;
}
static
int ktls_configure_crypto(OSSL_LIB_CTX *libctx, int version, const EVP_CIPHER *c,
EVP_MD *md, void *rl_sequence,
ktls_crypto_info_t *crypto_info, int is_tx,
unsigned char *iv, size_t ivlen,
unsigned char *key, size_t keylen,
unsigned char *mac_key, size_t mac_secret_size)
{
memset(crypto_info, 0, sizeof(*crypto_info));
if (EVP_CIPHER_is_a(c, "AES-128-GCM")
|| EVP_CIPHER_is_a(c, "AES-256-GCM")) {
crypto_info->cipher_algorithm = CRYPTO_AES_NIST_GCM_16;
crypto_info->iv_len = ivlen;
} else
# ifdef OPENSSL_KTLS_CHACHA20_POLY1305
if (EVP_CIPHER_is_a(c, "CHACHA20-POLY1305")) {
crypto_info->cipher_algorithm = CRYPTO_CHACHA20_POLY1305;
crypto_info->iv_len = ivlen;
} else
# endif
if (EVP_CIPHER_is_a(c, "AES-128-CBC") || EVP_CIPHER_is_a(c, "AES-256-CBC")) {
if (md == NULL)
return 0;
if (EVP_MD_is_a(md, "SHA1"))
crypto_info->auth_algorithm = CRYPTO_SHA1_HMAC;
else if (EVP_MD_is_a(md, "SHA2-256"))
crypto_info->auth_algorithm = CRYPTO_SHA2_256_HMAC;
else if (EVP_MD_is_a(md, "SHA2-384"))
crypto_info->auth_algorithm = CRYPTO_SHA2_384_HMAC;
else
return 0;
crypto_info->cipher_algorithm = CRYPTO_AES_CBC;
crypto_info->iv_len = ivlen;
crypto_info->auth_key = mac_key;
crypto_info->auth_key_len = mac_secret_size;
} else {
return 0;
}
crypto_info->cipher_key = key;
crypto_info->cipher_key_len = keylen;
crypto_info->iv = iv;
crypto_info->tls_vmajor = (version >> 8) & 0x000000ff;
crypto_info->tls_vminor = (version & 0x000000ff);
# ifdef TCP_RXTLS_ENABLE
memcpy(crypto_info->rec_seq, rl_sequence, sizeof(crypto_info->rec_seq));
# else
if (!is_tx)
return 0;
# endif
return 1;
};
#endif
#if defined(OPENSSL_SYS_LINUX)
static int ktls_int_check_supported_cipher(OSSL_RECORD_LAYER *rl,
const EVP_CIPHER *c,
const EVP_MD *md,
size_t taglen)
{
switch (rl->version) {
case TLS1_2_VERSION:
#ifdef OPENSSL_KTLS_TLS13
case TLS1_3_VERSION:
#endif
break;
default:
return 0;
}
# ifdef OPENSSL_KTLS_AES_CCM_128
if (EVP_CIPHER_is_a(c, "AES-128-CCM")) {
if (taglen != EVP_CCM_TLS_TAG_LEN)
return 0;
return 1;
} else
# endif
if (0
# ifdef OPENSSL_KTLS_AES_GCM_128
|| EVP_CIPHER_is_a(c, "AES-128-GCM")
# endif
# ifdef OPENSSL_KTLS_AES_GCM_256
|| EVP_CIPHER_is_a(c, "AES-256-GCM")
# endif
# ifdef OPENSSL_KTLS_CHACHA20_POLY1305
|| EVP_CIPHER_is_a(c, "ChaCha20-Poly1305")
# endif
) {
return 1;
}
return 0;
}
static
int ktls_configure_crypto(OSSL_LIB_CTX *libctx, int version, const EVP_CIPHER *c,
const EVP_MD *md, void *rl_sequence,
ktls_crypto_info_t *crypto_info, int is_tx,
unsigned char *iv, size_t ivlen,
unsigned char *key, size_t keylen,
unsigned char *mac_key, size_t mac_secret_size)
{
unsigned char geniv[EVP_GCM_TLS_EXPLICIT_IV_LEN];
unsigned char *eiv = NULL;
# ifdef OPENSSL_NO_KTLS_RX
if (!is_tx)
return 0;
# endif
if (EVP_CIPHER_get_mode(c) == EVP_CIPH_GCM_MODE
|| EVP_CIPHER_get_mode(c) == EVP_CIPH_CCM_MODE) {
if (!ossl_assert(EVP_GCM_TLS_FIXED_IV_LEN == EVP_CCM_TLS_FIXED_IV_LEN)
|| !ossl_assert(EVP_GCM_TLS_EXPLICIT_IV_LEN
== EVP_CCM_TLS_EXPLICIT_IV_LEN))
return 0;
if (version == TLS1_2_VERSION) {
if (!ossl_assert(ivlen == EVP_GCM_TLS_FIXED_IV_LEN))
return 0;
if (is_tx) {
if (RAND_bytes_ex(libctx, geniv,
EVP_GCM_TLS_EXPLICIT_IV_LEN, 0) <= 0)
return 0;
} else {
memset(geniv, 0, EVP_GCM_TLS_EXPLICIT_IV_LEN);
}
eiv = geniv;
} else {
if (!ossl_assert(ivlen == EVP_GCM_TLS_FIXED_IV_LEN
+ EVP_GCM_TLS_EXPLICIT_IV_LEN))
return 0;
eiv = iv + TLS_CIPHER_AES_GCM_128_SALT_SIZE;
}
}
memset(crypto_info, 0, sizeof(*crypto_info));
switch (EVP_CIPHER_get_nid(c)) {
# ifdef OPENSSL_KTLS_AES_GCM_128
case NID_aes_128_gcm:
if (!ossl_assert(TLS_CIPHER_AES_GCM_128_SALT_SIZE
== EVP_GCM_TLS_FIXED_IV_LEN)
|| !ossl_assert(TLS_CIPHER_AES_GCM_128_IV_SIZE
== EVP_GCM_TLS_EXPLICIT_IV_LEN))
return 0;
crypto_info->gcm128.info.cipher_type = TLS_CIPHER_AES_GCM_128;
crypto_info->gcm128.info.version = version;
crypto_info->tls_crypto_info_len = sizeof(crypto_info->gcm128);
memcpy(crypto_info->gcm128.iv, eiv, TLS_CIPHER_AES_GCM_128_IV_SIZE);
memcpy(crypto_info->gcm128.salt, iv, TLS_CIPHER_AES_GCM_128_SALT_SIZE);
memcpy(crypto_info->gcm128.key, key, keylen);
memcpy(crypto_info->gcm128.rec_seq, rl_sequence,
TLS_CIPHER_AES_GCM_128_REC_SEQ_SIZE);
return 1;
# endif
# ifdef OPENSSL_KTLS_AES_GCM_256
case NID_aes_256_gcm:
if (!ossl_assert(TLS_CIPHER_AES_GCM_256_SALT_SIZE
== EVP_GCM_TLS_FIXED_IV_LEN)
|| !ossl_assert(TLS_CIPHER_AES_GCM_256_IV_SIZE
== EVP_GCM_TLS_EXPLICIT_IV_LEN))
return 0;
crypto_info->gcm256.info.cipher_type = TLS_CIPHER_AES_GCM_256;
crypto_info->gcm256.info.version = version;
crypto_info->tls_crypto_info_len = sizeof(crypto_info->gcm256);
memcpy(crypto_info->gcm256.iv, eiv, TLS_CIPHER_AES_GCM_256_IV_SIZE);
memcpy(crypto_info->gcm256.salt, iv, TLS_CIPHER_AES_GCM_256_SALT_SIZE);
memcpy(crypto_info->gcm256.key, key, keylen);
memcpy(crypto_info->gcm256.rec_seq, rl_sequence,
TLS_CIPHER_AES_GCM_256_REC_SEQ_SIZE);
return 1;
# endif
# ifdef OPENSSL_KTLS_AES_CCM_128
case NID_aes_128_ccm:
if (!ossl_assert(TLS_CIPHER_AES_CCM_128_SALT_SIZE
== EVP_CCM_TLS_FIXED_IV_LEN)
|| !ossl_assert(TLS_CIPHER_AES_CCM_128_IV_SIZE
== EVP_CCM_TLS_EXPLICIT_IV_LEN))
return 0;
crypto_info->ccm128.info.cipher_type = TLS_CIPHER_AES_CCM_128;
crypto_info->ccm128.info.version = version;
crypto_info->tls_crypto_info_len = sizeof(crypto_info->ccm128);
memcpy(crypto_info->ccm128.iv, eiv, TLS_CIPHER_AES_CCM_128_IV_SIZE);
memcpy(crypto_info->ccm128.salt, iv, TLS_CIPHER_AES_CCM_128_SALT_SIZE);
memcpy(crypto_info->ccm128.key, key, keylen);
memcpy(crypto_info->ccm128.rec_seq, rl_sequence,
TLS_CIPHER_AES_CCM_128_REC_SEQ_SIZE);
return 1;
# endif
# ifdef OPENSSL_KTLS_CHACHA20_POLY1305
case NID_chacha20_poly1305:
if (!ossl_assert(ivlen == TLS_CIPHER_CHACHA20_POLY1305_IV_SIZE))
return 0;
crypto_info->chacha20poly1305.info.cipher_type
= TLS_CIPHER_CHACHA20_POLY1305;
crypto_info->chacha20poly1305.info.version = version;
crypto_info->tls_crypto_info_len = sizeof(crypto_info->chacha20poly1305);
memcpy(crypto_info->chacha20poly1305.iv, iv, ivlen);
memcpy(crypto_info->chacha20poly1305.key, key, keylen);
memcpy(crypto_info->chacha20poly1305.rec_seq, rl_sequence,
TLS_CIPHER_CHACHA20_POLY1305_REC_SEQ_SIZE);
return 1;
# endif
default:
return 0;
}
}
#endif
static int ktls_set_crypto_state(OSSL_RECORD_LAYER *rl, int level,
unsigned char *key, size_t keylen,
unsigned char *iv, size_t ivlen,
unsigned char *mackey, size_t mackeylen,
const EVP_CIPHER *ciph,
size_t taglen,
int mactype,
const EVP_MD *md,
COMP_METHOD *comp)
{
ktls_crypto_info_t crypto_info;
if (comp != NULL)
return OSSL_RECORD_RETURN_NON_FATAL_ERR;
if (rl->max_frag_len != SSL3_RT_MAX_PLAIN_LENGTH)
return OSSL_RECORD_RETURN_NON_FATAL_ERR;
if (!ktls_int_check_supported_cipher(rl, ciph, md, taglen))
return OSSL_RECORD_RETURN_NON_FATAL_ERR;
if (rl->direction == OSSL_RECORD_DIRECTION_WRITE) {
if (BIO_flush(rl->bio) <= 0)
return OSSL_RECORD_RETURN_NON_FATAL_ERR;
if (rl->padding != NULL || rl->block_padding > 0)
return OSSL_RECORD_RETURN_NON_FATAL_ERR;
}
if (!ktls_configure_crypto(rl->libctx, rl->version, ciph, md, rl->sequence,
&crypto_info,
rl->direction == OSSL_RECORD_DIRECTION_WRITE,
iv, ivlen, key, keylen, mackey, mackeylen))
return OSSL_RECORD_RETURN_NON_FATAL_ERR;
if (!BIO_set_ktls(rl->bio, &crypto_info, rl->direction))
return OSSL_RECORD_RETURN_NON_FATAL_ERR;
if (rl->direction == OSSL_RECORD_DIRECTION_WRITE &&
(rl->options & SSL_OP_ENABLE_KTLS_TX_ZEROCOPY_SENDFILE) != 0)
BIO_set_ktls_tx_zerocopy_sendfile(rl->bio);
return OSSL_RECORD_RETURN_SUCCESS;
}
static int ktls_read_n(OSSL_RECORD_LAYER *rl, size_t n, size_t max, int extend,
int clearold, size_t *readbytes)
{
int ret;
ret = tls_default_read_n(rl, n, max, extend, clearold, readbytes);
if (ret < OSSL_RECORD_RETURN_RETRY) {
switch (errno) {
case EBADMSG:
RLAYERfatal(rl, SSL_AD_BAD_RECORD_MAC,
SSL_R_DECRYPTION_FAILED_OR_BAD_RECORD_MAC);
break;
case EMSGSIZE:
RLAYERfatal(rl, SSL_AD_RECORD_OVERFLOW,
SSL_R_PACKET_LENGTH_TOO_LONG);
break;
case EINVAL:
RLAYERfatal(rl, SSL_AD_PROTOCOL_VERSION,
SSL_R_WRONG_VERSION_NUMBER);
break;
default:
break;
}
}
return ret;
}
static int ktls_cipher(OSSL_RECORD_LAYER *rl, TLS_RL_RECORD *inrecs,
size_t n_recs, int sending, SSL_MAC_BUF *mac,
size_t macsize)
{
return 1;
}
static int ktls_validate_record_header(OSSL_RECORD_LAYER *rl, TLS_RL_RECORD *rec)
{
if (rec->rec_version != TLS1_2_VERSION) {
RLAYERfatal(rl, SSL_AD_DECODE_ERROR, SSL_R_WRONG_VERSION_NUMBER);
return 0;
}
return 1;
}
static int ktls_post_process_record(OSSL_RECORD_LAYER *rl, TLS_RL_RECORD *rec)
{
if (rl->version == TLS1_3_VERSION)
return tls13_common_post_process_record(rl, rec);
return 1;
}
static int
ktls_new_record_layer(OSSL_LIB_CTX *libctx, const char *propq, int vers,
int role, int direction, int level, uint16_t epoch,
unsigned char *secret, size_t secretlen,
unsigned char *key, size_t keylen, unsigned char *iv,
size_t ivlen, unsigned char *mackey, size_t mackeylen,
const EVP_CIPHER *ciph, size_t taglen,
int mactype,
const EVP_MD *md, COMP_METHOD *comp,
const EVP_MD *kdfdigest, BIO *prev, BIO *transport,
BIO *next, BIO_ADDR *local, BIO_ADDR *peer,
const OSSL_PARAM *settings, const OSSL_PARAM *options,
const OSSL_DISPATCH *fns, void *cbarg, void *rlarg,
OSSL_RECORD_LAYER **retrl)
{
int ret;
ret = tls_int_new_record_layer(libctx, propq, vers, role, direction, level,
ciph, taglen, md, comp, prev,
transport, next, settings,
options, fns, cbarg, retrl);
if (ret != OSSL_RECORD_RETURN_SUCCESS)
return ret;
(*retrl)->funcs = &ossl_ktls_funcs;
ret = (*retrl)->funcs->set_crypto_state(*retrl, level, key, keylen, iv,
ivlen, mackey, mackeylen, ciph,
taglen, mactype, md, comp);
if (ret != OSSL_RECORD_RETURN_SUCCESS) {
OPENSSL_free(*retrl);
*retrl = NULL;
} else {
(*retrl)->read_ahead = 1;
}
return ret;
}
static int ktls_allocate_write_buffers(OSSL_RECORD_LAYER *rl,
OSSL_RECORD_TEMPLATE *templates,
size_t numtempl, size_t *prefix)
{
if (!ossl_assert(numtempl == 1))
return 0;
rl->numwpipes = 1;
return 1;
}
static int ktls_initialise_write_packets(OSSL_RECORD_LAYER *rl,
OSSL_RECORD_TEMPLATE *templates,
size_t numtempl,
OSSL_RECORD_TEMPLATE *prefixtempl,
WPACKET *pkt,
TLS_BUFFER *bufs,
size_t *wpinited)
{
TLS_BUFFER *wb;
wb = &bufs[0];
wb->type = templates[0].type;
TLS_BUFFER_set_buf(wb, (unsigned char *)templates[0].buf);
TLS_BUFFER_set_offset(wb, 0);
TLS_BUFFER_set_app_buffer(wb, 1);
return 1;
}
static int ktls_prepare_record_header(OSSL_RECORD_LAYER *rl,
WPACKET *thispkt,
OSSL_RECORD_TEMPLATE *templ,
uint8_t rectype,
unsigned char **recdata)
{
*recdata = NULL;
return 1;
}
static int ktls_prepare_for_encryption(OSSL_RECORD_LAYER *rl,
size_t mac_size,
WPACKET *thispkt,
TLS_RL_RECORD *thiswr)
{
return 1;
}
static int ktls_post_encryption_processing(OSSL_RECORD_LAYER *rl,
size_t mac_size,
OSSL_RECORD_TEMPLATE *templ,
WPACKET *thispkt,
TLS_RL_RECORD *thiswr)
{
return 1;
}
static int ktls_prepare_write_bio(OSSL_RECORD_LAYER *rl, int type)
{
if (type != SSL3_RT_APPLICATION_DATA) {
int ret, i = BIO_flush(rl->bio);
if (i <= 0) {
if (BIO_should_retry(rl->bio))
ret = OSSL_RECORD_RETURN_RETRY;
else
ret = OSSL_RECORD_RETURN_FATAL;
return ret;
}
BIO_set_ktls_ctrl_msg(rl->bio, type);
}
return OSSL_RECORD_RETURN_SUCCESS;
}
static int ktls_alloc_buffers(OSSL_RECORD_LAYER *rl)
{
if (rl->direction == OSSL_RECORD_DIRECTION_WRITE)
return 1;
return tls_alloc_buffers(rl);
}
static int ktls_free_buffers(OSSL_RECORD_LAYER *rl)
{
if (rl->direction == OSSL_RECORD_DIRECTION_WRITE)
return 1;
return tls_free_buffers(rl);
}
static struct record_functions_st ossl_ktls_funcs = {
ktls_set_crypto_state,
ktls_cipher,
NULL,
tls_default_set_protocol_version,
ktls_read_n,
tls_get_more_records,
ktls_validate_record_header,
ktls_post_process_record,
tls_get_max_records_default,
tls_write_records_default,
ktls_allocate_write_buffers,
ktls_initialise_write_packets,
NULL,
ktls_prepare_record_header,
NULL,
ktls_prepare_for_encryption,
ktls_post_encryption_processing,
ktls_prepare_write_bio
};
const OSSL_RECORD_METHOD ossl_ktls_record_method = {
ktls_new_record_layer,
tls_free,
tls_unprocessed_read_pending,
tls_processed_read_pending,
tls_app_data_pending,
tls_get_max_records,
tls_write_records,
tls_retry_write_records,
tls_read_record,
tls_release_record,
tls_get_alert_code,
tls_set1_bio,
tls_set_protocol_version,
tls_set_plain_alerts,
tls_set_first_handshake,
tls_set_max_pipelines,
NULL,
tls_get_state,
tls_set_options,
tls_get_compression,
tls_set_max_frag_len,
NULL,
tls_increment_sequence_ctr,
ktls_alloc_buffers,
ktls_free_buffers
};
| methods | openssl/ssl/record/methods/ktls_meth.c | openssl |
#include <openssl/rand.h>
#include <openssl/evp.h>
#include "internal/constant_time.h"
#include "internal/cryptlib.h"
#include "internal/ssl3_cbc.h"
static int ssl3_cbc_copy_mac(size_t *reclen,
size_t origreclen,
unsigned char *recdata,
unsigned char **mac,
int *alloced,
size_t block_size,
size_t mac_size,
size_t good,
OSSL_LIB_CTX *libctx);
int ssl3_cbc_remove_padding_and_mac(size_t *reclen,
size_t origreclen,
unsigned char *recdata,
unsigned char **mac,
int *alloced,
size_t block_size, size_t mac_size,
OSSL_LIB_CTX *libctx)
{
size_t padding_length;
size_t good;
const size_t overhead = 1 + mac_size;
if (overhead > *reclen)
return 0;
padding_length = recdata[*reclen - 1];
good = constant_time_ge_s(*reclen, padding_length + overhead);
good &= constant_time_ge_s(block_size, padding_length + 1);
*reclen -= good & (padding_length + 1);
return ssl3_cbc_copy_mac(reclen, origreclen, recdata, mac, alloced,
block_size, mac_size, good, libctx);
}
int tls1_cbc_remove_padding_and_mac(size_t *reclen,
size_t origreclen,
unsigned char *recdata,
unsigned char **mac,
int *alloced,
size_t block_size, size_t mac_size,
int aead,
OSSL_LIB_CTX *libctx)
{
size_t good = -1;
size_t padding_length, to_check, i;
size_t overhead = ((block_size == 1) ? 0 : 1)
+ mac_size;
if (overhead > *reclen)
return 0;
if (block_size != 1) {
padding_length = recdata[*reclen - 1];
if (aead) {
*reclen -= padding_length + 1 + mac_size;
return 1;
}
good = constant_time_ge_s(*reclen, overhead + padding_length);
to_check = 256;
if (to_check > *reclen)
to_check = *reclen;
for (i = 0; i < to_check; i++) {
unsigned char mask = constant_time_ge_8_s(padding_length, i);
unsigned char b = recdata[*reclen - 1 - i];
good &= ~(mask & (padding_length ^ b));
}
good = constant_time_eq_s(0xff, good & 0xff);
*reclen -= good & (padding_length + 1);
}
return ssl3_cbc_copy_mac(reclen, origreclen, recdata, mac, alloced,
block_size, mac_size, good, libctx);
}
#define CBC_MAC_ROTATE_IN_PLACE
static int ssl3_cbc_copy_mac(size_t *reclen,
size_t origreclen,
unsigned char *recdata,
unsigned char **mac,
int *alloced,
size_t block_size,
size_t mac_size,
size_t good,
OSSL_LIB_CTX *libctx)
{
#if defined(CBC_MAC_ROTATE_IN_PLACE)
unsigned char rotated_mac_buf[64 + EVP_MAX_MD_SIZE];
unsigned char *rotated_mac;
char aux1, aux2, aux3, mask;
#else
unsigned char rotated_mac[EVP_MAX_MD_SIZE];
#endif
unsigned char randmac[EVP_MAX_MD_SIZE];
unsigned char *out;
size_t mac_end = *reclen;
size_t mac_start = mac_end - mac_size;
size_t in_mac;
size_t scan_start = 0;
size_t i, j;
size_t rotate_offset;
if (!ossl_assert(origreclen >= mac_size
&& mac_size <= EVP_MAX_MD_SIZE))
return 0;
if (mac_size == 0) {
if (good == 0)
return 0;
return 1;
}
*reclen -= mac_size;
if (block_size == 1) {
if (mac != NULL)
*mac = &recdata[*reclen];
if (alloced != NULL)
*alloced = 0;
return 1;
}
if (RAND_bytes_ex(libctx, randmac, mac_size, 0) <= 0)
return 0;
if (!ossl_assert(mac != NULL && alloced != NULL))
return 0;
*mac = out = OPENSSL_malloc(mac_size);
if (*mac == NULL)
return 0;
*alloced = 1;
#if defined(CBC_MAC_ROTATE_IN_PLACE)
rotated_mac = rotated_mac_buf + ((0 - (size_t)rotated_mac_buf) & 63);
#endif
if (origreclen > mac_size + 255 + 1)
scan_start = origreclen - (mac_size + 255 + 1);
in_mac = 0;
rotate_offset = 0;
memset(rotated_mac, 0, mac_size);
for (i = scan_start, j = 0; i < origreclen; i++) {
size_t mac_started = constant_time_eq_s(i, mac_start);
size_t mac_ended = constant_time_lt_s(i, mac_end);
unsigned char b = recdata[i];
in_mac |= mac_started;
in_mac &= mac_ended;
rotate_offset |= j & mac_started;
rotated_mac[j++] |= b & in_mac;
j &= constant_time_lt_s(j, mac_size);
}
#if defined(CBC_MAC_ROTATE_IN_PLACE)
j = 0;
for (i = 0; i < mac_size; i++) {
aux1 = rotated_mac[rotate_offset & ~32];
aux2 = rotated_mac[rotate_offset | 32];
mask = constant_time_eq_8(rotate_offset & ~32, rotate_offset);
aux3 = constant_time_select_8(mask, aux1, aux2);
rotate_offset++;
out[j++] = constant_time_select_8((unsigned char)(good & 0xff),
aux3,
randmac[i]);
rotate_offset &= constant_time_lt_s(rotate_offset, mac_size);
}
#else
memset(out, 0, mac_size);
rotate_offset = mac_size - rotate_offset;
rotate_offset &= constant_time_lt_s(rotate_offset, mac_size);
for (i = 0; i < mac_size; i++) {
for (j = 0; j < mac_size; j++)
out[j] |= rotated_mac[i] & constant_time_eq_8_s(j, rotate_offset);
rotate_offset++;
rotate_offset &= constant_time_lt_s(rotate_offset, mac_size);
out[i] = constant_time_select_8((unsigned char)(good & 0xff), out[i],
randmac[i]);
}
#endif
return 1;
}
| methods | openssl/ssl/record/methods/tls_pad.c | openssl |
#include "internal/common.h"
#include <openssl/ssl.h>
#include <openssl/err.h>
#include "../ssl_local.h"
#define ITEM_N(items, stride, n) \
(*(SSL_POLL_ITEM *)((char *)(items) + (n)*(stride)))
#define FAIL_FROM(n) \
do { \
size_t j; \
\
for (j = (n); j < num_items; ++j) \
ITEM_N(items, stride, j).revents = 0; \
\
ok = 0; \
goto out; \
} while (0)
#define FAIL_ITEM(i) \
do { \
ITEM_N(items, stride, i).revents = SSL_POLL_EVENT_F; \
++result_count; \
FAIL_FROM(i + 1); \
} while (0)
int SSL_poll(SSL_POLL_ITEM *items,
size_t num_items,
size_t stride,
const struct timeval *timeout,
uint64_t flags,
size_t *p_result_count)
{
int ok = 1;
size_t i, result_count = 0;
SSL_POLL_ITEM *item;
SSL *ssl;
uint64_t revents;
ossl_unused uint64_t events;
ossl_unused int do_tick = ((flags & SSL_POLL_FLAG_NO_HANDLE_EVENTS) == 0);
int is_immediate
= (timeout != NULL
&& timeout->tv_sec == 0 && timeout->tv_usec == 0);
if (!is_immediate) {
ERR_raise_data(ERR_LIB_SSL, SSL_R_POLL_REQUEST_NOT_SUPPORTED,
"SSL_poll does not currently support blocking "
"operation");
FAIL_FROM(0);
}
if (num_items == 0)
goto out;
for (i = 0; i < num_items; ++i) {
item = &ITEM_N(items, stride, i);
events = item->events;
revents = 0;
switch (item->desc.type) {
case BIO_POLL_DESCRIPTOR_TYPE_SSL:
ssl = item->desc.value.ssl;
if (ssl == NULL)
break;
switch (ssl->type) {
#ifndef OPENSSL_NO_QUIC
case SSL_TYPE_QUIC_CONNECTION:
case SSL_TYPE_QUIC_XSO:
if (!ossl_quic_conn_poll_events(ssl, events, do_tick, &revents))
FAIL_ITEM(i);
if (revents != 0)
++result_count;
break;
#endif
default:
ERR_raise_data(ERR_LIB_SSL, SSL_R_POLL_REQUEST_NOT_SUPPORTED,
"SSL_poll currently only supports QUIC SSL "
"objects");
FAIL_ITEM(i);
}
break;
case BIO_POLL_DESCRIPTOR_TYPE_SOCK_FD:
ERR_raise_data(ERR_LIB_SSL, SSL_R_POLL_REQUEST_NOT_SUPPORTED,
"SSL_poll currently does not support polling "
"sockets");
FAIL_ITEM(i);
default:
ERR_raise_data(ERR_LIB_SSL, SSL_R_POLL_REQUEST_NOT_SUPPORTED,
"SSL_poll does not support unknown poll descriptor "
"type %d", item->desc.type);
FAIL_ITEM(i);
}
item->revents = revents;
}
out:
if (p_result_count != NULL)
*p_result_count = result_count;
return ok;
}
| rio | openssl/ssl/rio/poll_immediate.c | openssl |
#include "internal/quic_lcidm.h"
#include "internal/quic_types.h"
#include "internal/quic_vlint.h"
#include "internal/common.h"
#include <openssl/lhash.h>
#include <openssl/rand.h>
#include <openssl/err.h>
typedef struct quic_lcidm_conn_st QUIC_LCIDM_CONN;
enum {
LCID_TYPE_ODCID,
LCID_TYPE_INITIAL,
LCID_TYPE_NCID
};
typedef struct quic_lcid_st {
QUIC_CONN_ID cid;
uint64_t seq_num;
QUIC_LCIDM_CONN *conn;
unsigned int type : 2;
} QUIC_LCID;
DEFINE_LHASH_OF_EX(QUIC_LCID);
DEFINE_LHASH_OF_EX(QUIC_LCIDM_CONN);
struct quic_lcidm_conn_st {
size_t num_active_lcid;
LHASH_OF(QUIC_LCID) *lcids;
void *opaque;
QUIC_LCID *odcid_lcid_obj;
uint64_t next_seq_num;
unsigned int done_odcid : 1;
};
struct quic_lcidm_st {
OSSL_LIB_CTX *libctx;
LHASH_OF(QUIC_LCID) *lcids;
LHASH_OF(QUIC_LCIDM_CONN) *conns;
size_t lcid_len;
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
QUIC_CONN_ID next_lcid;
#endif
};
static unsigned long bin_hash(const unsigned char *buf, size_t buf_len)
{
unsigned long hash = 0;
size_t i;
for (i = 0; i < buf_len; ++i)
hash ^= ((unsigned long)buf[i]) << (8 * (i % sizeof(unsigned long)));
return hash;
}
static unsigned long lcid_hash(const QUIC_LCID *lcid_obj)
{
return bin_hash(lcid_obj->cid.id, lcid_obj->cid.id_len);
}
static int lcid_comp(const QUIC_LCID *a, const QUIC_LCID *b)
{
return !ossl_quic_conn_id_eq(&a->cid, &b->cid);
}
static unsigned long lcidm_conn_hash(const QUIC_LCIDM_CONN *conn)
{
return (unsigned long)(uintptr_t)conn->opaque;
}
static int lcidm_conn_comp(const QUIC_LCIDM_CONN *a, const QUIC_LCIDM_CONN *b)
{
return a->opaque != b->opaque;
}
QUIC_LCIDM *ossl_quic_lcidm_new(OSSL_LIB_CTX *libctx, size_t lcid_len)
{
QUIC_LCIDM *lcidm = NULL;
if (lcid_len > QUIC_MAX_CONN_ID_LEN)
goto err;
if ((lcidm = OPENSSL_zalloc(sizeof(*lcidm))) == NULL)
goto err;
if ((lcidm->lcids = lh_QUIC_LCID_new(lcid_hash, lcid_comp)) == NULL)
goto err;
if ((lcidm->conns = lh_QUIC_LCIDM_CONN_new(lcidm_conn_hash,
lcidm_conn_comp)) == NULL)
goto err;
lcidm->libctx = libctx;
lcidm->lcid_len = lcid_len;
return lcidm;
err:
if (lcidm != NULL) {
lh_QUIC_LCID_free(lcidm->lcids);
lh_QUIC_LCIDM_CONN_free(lcidm->conns);
OPENSSL_free(lcidm);
}
return NULL;
}
static void lcidm_delete_conn(QUIC_LCIDM *lcidm, QUIC_LCIDM_CONN *conn);
static void lcidm_delete_conn_(QUIC_LCIDM_CONN *conn, void *arg)
{
lcidm_delete_conn((QUIC_LCIDM *)arg, conn);
}
void ossl_quic_lcidm_free(QUIC_LCIDM *lcidm)
{
if (lcidm == NULL)
return;
lh_QUIC_LCIDM_CONN_set_down_load(lcidm->conns, 0);
lh_QUIC_LCIDM_CONN_doall_arg(lcidm->conns, lcidm_delete_conn_, lcidm);
lh_QUIC_LCID_free(lcidm->lcids);
lh_QUIC_LCIDM_CONN_free(lcidm->conns);
OPENSSL_free(lcidm);
}
static QUIC_LCID *lcidm_get0_lcid(const QUIC_LCIDM *lcidm, const QUIC_CONN_ID *lcid)
{
QUIC_LCID key;
key.cid = *lcid;
if (key.cid.id_len > QUIC_MAX_CONN_ID_LEN)
return NULL;
return lh_QUIC_LCID_retrieve(lcidm->lcids, &key);
}
static QUIC_LCIDM_CONN *lcidm_get0_conn(const QUIC_LCIDM *lcidm, void *opaque)
{
QUIC_LCIDM_CONN key;
key.opaque = opaque;
return lh_QUIC_LCIDM_CONN_retrieve(lcidm->conns, &key);
}
static QUIC_LCIDM_CONN *lcidm_upsert_conn(const QUIC_LCIDM *lcidm, void *opaque)
{
QUIC_LCIDM_CONN *conn = lcidm_get0_conn(lcidm, opaque);
if (conn != NULL)
return conn;
if ((conn = OPENSSL_zalloc(sizeof(*conn))) == NULL)
goto err;
if ((conn->lcids = lh_QUIC_LCID_new(lcid_hash, lcid_comp)) == NULL)
goto err;
conn->opaque = opaque;
lh_QUIC_LCIDM_CONN_insert(lcidm->conns, conn);
if (lh_QUIC_LCIDM_CONN_error(lcidm->conns))
goto err;
return conn;
err:
if (conn != NULL) {
lh_QUIC_LCID_free(conn->lcids);
OPENSSL_free(conn);
}
return NULL;
}
static void lcidm_delete_conn_lcid(QUIC_LCIDM *lcidm, QUIC_LCID *lcid_obj)
{
lh_QUIC_LCID_delete(lcidm->lcids, lcid_obj);
lh_QUIC_LCID_delete(lcid_obj->conn->lcids, lcid_obj);
assert(lcid_obj->conn->num_active_lcid > 0);
--lcid_obj->conn->num_active_lcid;
OPENSSL_free(lcid_obj);
}
static void lcidm_delete_conn_lcid_(QUIC_LCID *lcid_obj, void *arg)
{
lcidm_delete_conn_lcid((QUIC_LCIDM *)arg, lcid_obj);
}
static void lcidm_delete_conn(QUIC_LCIDM *lcidm, QUIC_LCIDM_CONN *conn)
{
lh_QUIC_LCID_set_down_load(conn->lcids, 0);
lh_QUIC_LCID_doall_arg(conn->lcids, lcidm_delete_conn_lcid_, lcidm);
lh_QUIC_LCIDM_CONN_delete(lcidm->conns, conn);
lh_QUIC_LCID_free(conn->lcids);
OPENSSL_free(conn);
}
static QUIC_LCID *lcidm_conn_new_lcid(QUIC_LCIDM *lcidm, QUIC_LCIDM_CONN *conn,
const QUIC_CONN_ID *lcid)
{
QUIC_LCID *lcid_obj = NULL;
if (lcid->id_len > QUIC_MAX_CONN_ID_LEN)
return NULL;
if ((lcid_obj = OPENSSL_zalloc(sizeof(*lcid_obj))) == NULL)
goto err;
lcid_obj->cid = *lcid;
lcid_obj->conn = conn;
lh_QUIC_LCID_insert(conn->lcids, lcid_obj);
if (lh_QUIC_LCID_error(conn->lcids))
goto err;
lh_QUIC_LCID_insert(lcidm->lcids, lcid_obj);
if (lh_QUIC_LCID_error(lcidm->lcids)) {
lh_QUIC_LCID_delete(conn->lcids, lcid_obj);
goto err;
}
++conn->num_active_lcid;
return lcid_obj;
err:
OPENSSL_free(lcid_obj);
return NULL;
}
size_t ossl_quic_lcidm_get_lcid_len(const QUIC_LCIDM *lcidm)
{
return lcidm->lcid_len;
}
size_t ossl_quic_lcidm_get_num_active_lcid(const QUIC_LCIDM *lcidm,
void *opaque)
{
QUIC_LCIDM_CONN *conn;
conn = lcidm_get0_conn(lcidm, opaque);
if (conn == NULL)
return 0;
return conn->num_active_lcid;
}
static int lcidm_generate_cid(QUIC_LCIDM *lcidm,
QUIC_CONN_ID *cid)
{
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
int i;
lcidm->next_lcid.id_len = (unsigned char)lcidm->lcid_len;
*cid = lcidm->next_lcid;
for (i = lcidm->lcid_len - 1; i >= 0; --i)
if (++lcidm->next_lcid.id[i] != 0)
break;
return 1;
#else
return ossl_quic_gen_rand_conn_id(lcidm->libctx, lcidm->lcid_len, cid);
#endif
}
static int lcidm_generate(QUIC_LCIDM *lcidm,
void *opaque,
unsigned int type,
QUIC_CONN_ID *lcid_out,
uint64_t *seq_num)
{
QUIC_LCIDM_CONN *conn;
QUIC_LCID key, *lcid_obj;
size_t i;
#define MAX_RETRIES 8
if ((conn = lcidm_upsert_conn(lcidm, opaque)) == NULL)
return 0;
if ((type == LCID_TYPE_INITIAL && conn->next_seq_num > 0)
|| conn->next_seq_num > OSSL_QUIC_VLINT_MAX)
return 0;
i = 0;
do {
if (i++ >= MAX_RETRIES)
return 0;
if (!lcidm_generate_cid(lcidm, lcid_out))
return 0;
key.cid = *lcid_out;
} while (lh_QUIC_LCID_retrieve(lcidm->lcids, &key) != NULL);
if ((lcid_obj = lcidm_conn_new_lcid(lcidm, conn, lcid_out)) == NULL)
return 0;
lcid_obj->seq_num = conn->next_seq_num;
lcid_obj->type = type;
if (seq_num != NULL)
*seq_num = lcid_obj->seq_num;
++conn->next_seq_num;
return 1;
}
int ossl_quic_lcidm_enrol_odcid(QUIC_LCIDM *lcidm,
void *opaque,
const QUIC_CONN_ID *initial_odcid)
{
QUIC_LCIDM_CONN *conn;
QUIC_LCID key, *lcid_obj;
if (initial_odcid == NULL || initial_odcid->id_len < QUIC_MIN_ODCID_LEN
|| initial_odcid->id_len > QUIC_MAX_CONN_ID_LEN)
return 0;
if ((conn = lcidm_upsert_conn(lcidm, opaque)) == NULL)
return 0;
if (conn->done_odcid)
return 0;
key.cid = *initial_odcid;
if (lh_QUIC_LCID_retrieve(lcidm->lcids, &key) != NULL)
return 0;
if ((lcid_obj = lcidm_conn_new_lcid(lcidm, conn, initial_odcid)) == NULL)
return 0;
lcid_obj->seq_num = LCIDM_ODCID_SEQ_NUM;
lcid_obj->type = LCID_TYPE_ODCID;
conn->odcid_lcid_obj = lcid_obj;
conn->done_odcid = 1;
return 1;
}
int ossl_quic_lcidm_generate_initial(QUIC_LCIDM *lcidm,
void *opaque,
QUIC_CONN_ID *initial_lcid)
{
return lcidm_generate(lcidm, opaque, LCID_TYPE_INITIAL,
initial_lcid, NULL);
}
int ossl_quic_lcidm_generate(QUIC_LCIDM *lcidm,
void *opaque,
OSSL_QUIC_FRAME_NEW_CONN_ID *ncid_frame)
{
ncid_frame->seq_num = 0;
ncid_frame->retire_prior_to = 0;
return lcidm_generate(lcidm, opaque, LCID_TYPE_NCID,
&ncid_frame->conn_id,
&ncid_frame->seq_num);
}
int ossl_quic_lcidm_retire_odcid(QUIC_LCIDM *lcidm, void *opaque)
{
QUIC_LCIDM_CONN *conn;
if ((conn = lcidm_upsert_conn(lcidm, opaque)) == NULL)
return 0;
if (conn->odcid_lcid_obj == NULL)
return 0;
lcidm_delete_conn_lcid(lcidm, conn->odcid_lcid_obj);
conn->odcid_lcid_obj = NULL;
return 1;
}
struct retire_args {
QUIC_LCID *earliest_seq_num_lcid_obj;
uint64_t earliest_seq_num, retire_prior_to;
};
static void retire_for_conn(QUIC_LCID *lcid_obj, void *arg)
{
struct retire_args *args = arg;
if (lcid_obj->type == LCID_TYPE_ODCID
|| lcid_obj->seq_num >= args->retire_prior_to)
return;
if (lcid_obj->seq_num < args->earliest_seq_num) {
args->earliest_seq_num = lcid_obj->seq_num;
args->earliest_seq_num_lcid_obj = lcid_obj;
}
}
int ossl_quic_lcidm_retire(QUIC_LCIDM *lcidm,
void *opaque,
uint64_t retire_prior_to,
const QUIC_CONN_ID *containing_pkt_dcid,
QUIC_CONN_ID *retired_lcid,
uint64_t *retired_seq_num,
int *did_retire)
{
QUIC_LCIDM_CONN key, *conn;
struct retire_args args = {0};
key.opaque = opaque;
if (did_retire == NULL)
return 0;
*did_retire = 0;
if ((conn = lh_QUIC_LCIDM_CONN_retrieve(lcidm->conns, &key)) == NULL)
return 1;
args.retire_prior_to = retire_prior_to;
args.earliest_seq_num = UINT64_MAX;
lh_QUIC_LCID_doall_arg(conn->lcids, retire_for_conn, &args);
if (args.earliest_seq_num_lcid_obj == NULL)
return 1;
if (containing_pkt_dcid != NULL
&& ossl_quic_conn_id_eq(&args.earliest_seq_num_lcid_obj->cid,
containing_pkt_dcid))
return 0;
*did_retire = 1;
if (retired_lcid != NULL)
*retired_lcid = args.earliest_seq_num_lcid_obj->cid;
if (retired_seq_num != NULL)
*retired_seq_num = args.earliest_seq_num_lcid_obj->seq_num;
lcidm_delete_conn_lcid(lcidm, args.earliest_seq_num_lcid_obj);
return 1;
}
int ossl_quic_lcidm_cull(QUIC_LCIDM *lcidm, void *opaque)
{
QUIC_LCIDM_CONN key, *conn;
key.opaque = opaque;
if ((conn = lh_QUIC_LCIDM_CONN_retrieve(lcidm->conns, &key)) == NULL)
return 0;
lcidm_delete_conn(lcidm, conn);
return 1;
}
int ossl_quic_lcidm_lookup(QUIC_LCIDM *lcidm,
const QUIC_CONN_ID *lcid,
uint64_t *seq_num,
void **opaque)
{
QUIC_LCID *lcid_obj;
if (lcid == NULL)
return 0;
if ((lcid_obj = lcidm_get0_lcid(lcidm, lcid)) == NULL)
return 0;
if (seq_num != NULL)
*seq_num = lcid_obj->seq_num;
if (opaque != NULL)
*opaque = lcid_obj->conn->opaque;
return 1;
}
int ossl_quic_lcidm_debug_remove(QUIC_LCIDM *lcidm,
const QUIC_CONN_ID *lcid)
{
QUIC_LCID key, *lcid_obj;
key.cid = *lcid;
if ((lcid_obj = lh_QUIC_LCID_retrieve(lcidm->lcids, &key)) == NULL)
return 0;
lcidm_delete_conn_lcid(lcidm, lcid_obj);
return 1;
}
int ossl_quic_lcidm_debug_add(QUIC_LCIDM *lcidm, void *opaque,
const QUIC_CONN_ID *lcid,
uint64_t seq_num)
{
QUIC_LCIDM_CONN *conn;
QUIC_LCID key, *lcid_obj;
if (lcid == NULL || lcid->id_len > QUIC_MAX_CONN_ID_LEN)
return 0;
if ((conn = lcidm_upsert_conn(lcidm, opaque)) == NULL)
return 0;
key.cid = *lcid;
if (lh_QUIC_LCID_retrieve(lcidm->lcids, &key) != NULL)
return 0;
if ((lcid_obj = lcidm_conn_new_lcid(lcidm, conn, lcid)) == NULL)
return 0;
lcid_obj->seq_num = seq_num;
lcid_obj->type = LCID_TYPE_NCID;
return 1;
}
| quic | openssl/ssl/quic/quic_lcidm.c | openssl |
#include "internal/quic_record_tx.h"
#include "internal/qlog_event_helpers.h"
#include "internal/bio_addr.h"
#include "internal/common.h"
#include "quic_record_shared.h"
#include "internal/list.h"
#include "../ssl_local.h"
typedef struct txe_st TXE;
struct txe_st {
OSSL_LIST_MEMBER(txe, TXE);
size_t data_len, alloc_len;
BIO_ADDR peer, local;
};
DEFINE_LIST_OF(txe, TXE);
typedef OSSL_LIST(txe) TXE_LIST;
static ossl_inline unsigned char *txe_data(const TXE *e)
{
return (unsigned char *)(e + 1);
}
struct ossl_qtx_st {
OSSL_LIB_CTX *libctx;
const char *propq;
OSSL_QRL_ENC_LEVEL_SET el_set;
BIO *bio;
QLOG *(*get_qlog_cb)(void *arg);
void *get_qlog_cb_arg;
size_t mdpl;
TXE_LIST free;
TXE_LIST pending;
size_t pending_count;
size_t pending_bytes;
TXE *cons;
size_t cons_count;
uint64_t epoch_pkt_count;
uint64_t datagram_count;
ossl_mutate_packet_cb mutatecb;
ossl_finish_mutate_cb finishmutatecb;
void *mutatearg;
ossl_msg_cb msg_callback;
void *msg_callback_arg;
SSL *msg_callback_ssl;
};
OSSL_QTX *ossl_qtx_new(const OSSL_QTX_ARGS *args)
{
OSSL_QTX *qtx;
if (args->mdpl < QUIC_MIN_INITIAL_DGRAM_LEN)
return 0;
qtx = OPENSSL_zalloc(sizeof(OSSL_QTX));
if (qtx == NULL)
return 0;
qtx->libctx = args->libctx;
qtx->propq = args->propq;
qtx->bio = args->bio;
qtx->mdpl = args->mdpl;
qtx->get_qlog_cb = args->get_qlog_cb;
qtx->get_qlog_cb_arg = args->get_qlog_cb_arg;
return qtx;
}
static void qtx_cleanup_txl(TXE_LIST *l)
{
TXE *e, *enext;
for (e = ossl_list_txe_head(l); e != NULL; e = enext) {
enext = ossl_list_txe_next(e);
OPENSSL_free(e);
}
}
void ossl_qtx_free(OSSL_QTX *qtx)
{
uint32_t i;
if (qtx == NULL)
return;
qtx_cleanup_txl(&qtx->pending);
qtx_cleanup_txl(&qtx->free);
OPENSSL_free(qtx->cons);
for (i = 0; i < QUIC_ENC_LEVEL_NUM; ++i)
ossl_qrl_enc_level_set_discard(&qtx->el_set, i);
OPENSSL_free(qtx);
}
void ossl_qtx_set_mutator(OSSL_QTX *qtx, ossl_mutate_packet_cb mutatecb,
ossl_finish_mutate_cb finishmutatecb, void *mutatearg)
{
qtx->mutatecb = mutatecb;
qtx->finishmutatecb = finishmutatecb;
qtx->mutatearg = mutatearg;
}
void ossl_qtx_set_qlog_cb(OSSL_QTX *qtx, QLOG *(*get_qlog_cb)(void *arg),
void *get_qlog_cb_arg)
{
qtx->get_qlog_cb = get_qlog_cb;
qtx->get_qlog_cb_arg = get_qlog_cb_arg;
}
int ossl_qtx_provide_secret(OSSL_QTX *qtx,
uint32_t enc_level,
uint32_t suite_id,
EVP_MD *md,
const unsigned char *secret,
size_t secret_len)
{
if (enc_level >= QUIC_ENC_LEVEL_NUM)
return 0;
return ossl_qrl_enc_level_set_provide_secret(&qtx->el_set,
qtx->libctx,
qtx->propq,
enc_level,
suite_id,
md,
secret,
secret_len,
0,
1);
}
int ossl_qtx_discard_enc_level(OSSL_QTX *qtx, uint32_t enc_level)
{
if (enc_level >= QUIC_ENC_LEVEL_NUM)
return 0;
ossl_qrl_enc_level_set_discard(&qtx->el_set, enc_level);
return 1;
}
int ossl_qtx_is_enc_level_provisioned(OSSL_QTX *qtx, uint32_t enc_level)
{
return ossl_qrl_enc_level_set_get(&qtx->el_set, enc_level, 1) != NULL;
}
static TXE *qtx_alloc_txe(size_t alloc_len)
{
TXE *txe;
if (alloc_len >= SIZE_MAX - sizeof(TXE))
return NULL;
txe = OPENSSL_malloc(sizeof(TXE) + alloc_len);
if (txe == NULL)
return NULL;
ossl_list_txe_init_elem(txe);
txe->alloc_len = alloc_len;
txe->data_len = 0;
return txe;
}
static TXE *qtx_ensure_free_txe(OSSL_QTX *qtx, size_t alloc_len)
{
TXE *txe;
txe = ossl_list_txe_head(&qtx->free);
if (txe != NULL)
return txe;
txe = qtx_alloc_txe(alloc_len);
if (txe == NULL)
return NULL;
ossl_list_txe_insert_tail(&qtx->free, txe);
return txe;
}
static TXE *qtx_resize_txe(OSSL_QTX *qtx, TXE_LIST *txl, TXE *txe, size_t n)
{
TXE *txe2, *p;
if (txe == NULL)
return NULL;
if (n >= SIZE_MAX - sizeof(TXE))
return NULL;
p = ossl_list_txe_prev(txe);
ossl_list_txe_remove(txl, txe);
txe2 = OPENSSL_realloc(txe, sizeof(TXE) + n);
if (txe2 == NULL || txe == txe2) {
if (p == NULL)
ossl_list_txe_insert_head(txl, txe);
else
ossl_list_txe_insert_after(txl, p, txe);
return txe2;
}
if (p == NULL)
ossl_list_txe_insert_head(txl, txe2);
else
ossl_list_txe_insert_after(txl, p, txe2);
if (qtx->cons == txe)
qtx->cons = txe2;
txe2->alloc_len = n;
return txe2;
}
static TXE *qtx_reserve_txe(OSSL_QTX *qtx, TXE_LIST *txl,
TXE *txe, size_t n)
{
if (txe->alloc_len >= n)
return txe;
return qtx_resize_txe(qtx, txl, txe, n);
}
static void qtx_pending_to_free(OSSL_QTX *qtx)
{
TXE *txe = ossl_list_txe_head(&qtx->pending);
assert(txe != NULL);
ossl_list_txe_remove(&qtx->pending, txe);
--qtx->pending_count;
qtx->pending_bytes -= txe->data_len;
ossl_list_txe_insert_tail(&qtx->free, txe);
}
static void qtx_add_to_pending(OSSL_QTX *qtx, TXE *txe)
{
ossl_list_txe_insert_tail(&qtx->pending, txe);
++qtx->pending_count;
qtx->pending_bytes += txe->data_len;
}
struct iovec_cur {
const OSSL_QTX_IOVEC *iovec;
size_t num_iovec, idx, byte_off, bytes_remaining;
};
static size_t iovec_total_bytes(const OSSL_QTX_IOVEC *iovec,
size_t num_iovec)
{
size_t i, l = 0;
for (i = 0; i < num_iovec; ++i)
l += iovec[i].buf_len;
return l;
}
static void iovec_cur_init(struct iovec_cur *cur,
const OSSL_QTX_IOVEC *iovec,
size_t num_iovec)
{
cur->iovec = iovec;
cur->num_iovec = num_iovec;
cur->idx = 0;
cur->byte_off = 0;
cur->bytes_remaining = iovec_total_bytes(iovec, num_iovec);
}
static size_t iovec_cur_get_buffer(struct iovec_cur *cur,
const unsigned char **buf,
size_t max_buf_len)
{
size_t l;
if (max_buf_len == 0) {
*buf = NULL;
return 0;
}
for (;;) {
if (cur->idx >= cur->num_iovec)
return 0;
l = cur->iovec[cur->idx].buf_len - cur->byte_off;
if (l > max_buf_len)
l = max_buf_len;
if (l > 0) {
*buf = cur->iovec[cur->idx].buf + cur->byte_off;
cur->byte_off += l;
cur->bytes_remaining -= l;
return l;
}
++cur->idx;
cur->byte_off = 0;
}
}
int ossl_qtx_calculate_ciphertext_payload_len(OSSL_QTX *qtx, uint32_t enc_level,
size_t plaintext_len,
size_t *ciphertext_len)
{
OSSL_QRL_ENC_LEVEL *el
= ossl_qrl_enc_level_set_get(&qtx->el_set, enc_level, 1);
size_t tag_len;
if (el == NULL) {
*ciphertext_len = 0;
return 0;
}
tag_len = ossl_qrl_get_suite_cipher_tag_len(el->suite_id);
*ciphertext_len = plaintext_len + tag_len;
return 1;
}
int ossl_qtx_calculate_plaintext_payload_len(OSSL_QTX *qtx, uint32_t enc_level,
size_t ciphertext_len,
size_t *plaintext_len)
{
OSSL_QRL_ENC_LEVEL *el
= ossl_qrl_enc_level_set_get(&qtx->el_set, enc_level, 1);
size_t tag_len;
if (el == NULL) {
*plaintext_len = 0;
return 0;
}
tag_len = ossl_qrl_get_suite_cipher_tag_len(el->suite_id);
if (ciphertext_len <= tag_len) {
*plaintext_len = 0;
return 0;
}
*plaintext_len = ciphertext_len - tag_len;
return 1;
}
#define QTX_FAIL_GENERIC (-1)
#define QTX_FAIL_INSUFFICIENT_LEN (-2)
static int qtx_write_hdr(OSSL_QTX *qtx, const QUIC_PKT_HDR *hdr, TXE *txe,
QUIC_PKT_HDR_PTRS *ptrs)
{
WPACKET wpkt;
size_t l = 0;
unsigned char *data = txe_data(txe) + txe->data_len;
if (!WPACKET_init_static_len(&wpkt, data, txe->alloc_len - txe->data_len, 0))
return 0;
if (!ossl_quic_wire_encode_pkt_hdr(&wpkt, hdr->dst_conn_id.id_len,
hdr, ptrs)
|| !WPACKET_get_total_written(&wpkt, &l)) {
WPACKET_finish(&wpkt);
return 0;
}
WPACKET_finish(&wpkt);
if (qtx->msg_callback != NULL)
qtx->msg_callback(1, OSSL_QUIC1_VERSION, SSL3_RT_QUIC_PACKET, data, l,
qtx->msg_callback_ssl, qtx->msg_callback_arg);
txe->data_len += l;
return 1;
}
static int qtx_encrypt_into_txe(OSSL_QTX *qtx, struct iovec_cur *cur, TXE *txe,
uint32_t enc_level, QUIC_PN pn,
const unsigned char *hdr, size_t hdr_len,
QUIC_PKT_HDR_PTRS *ptrs)
{
int l = 0, l2 = 0, nonce_len;
OSSL_QRL_ENC_LEVEL *el
= ossl_qrl_enc_level_set_get(&qtx->el_set, enc_level, 1);
unsigned char nonce[EVP_MAX_IV_LENGTH];
size_t i;
EVP_CIPHER_CTX *cctx = NULL;
if (!ossl_assert(el != NULL)) {
ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
return 0;
}
if (el->op_count >= ossl_qrl_get_suite_max_pkt(el->suite_id)) {
ERR_raise(ERR_LIB_SSL, SSL_R_MAXIMUM_ENCRYPTED_PKTS_REACHED);
return 0;
}
cctx = el->cctx[0];
if (!ossl_assert(cctx != NULL)) {
ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
return 0;
}
nonce_len = EVP_CIPHER_CTX_get_iv_length(cctx);
if (!ossl_assert(nonce_len >= (int)sizeof(QUIC_PN))) {
ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
return 0;
}
memcpy(nonce, el->iv[0], (size_t)nonce_len);
for (i = 0; i < sizeof(QUIC_PN); ++i)
nonce[nonce_len - i - 1] ^= (unsigned char)(pn >> (i * 8));
if (EVP_CipherInit_ex(cctx, NULL, NULL, NULL, nonce, 1) != 1) {
ERR_raise(ERR_LIB_SSL, ERR_R_EVP_LIB);
return 0;
}
if (EVP_CipherUpdate(cctx, NULL, &l, hdr, hdr_len) != 1) {
ERR_raise(ERR_LIB_SSL, ERR_R_EVP_LIB);
return 0;
}
for (;;) {
const unsigned char *src;
size_t src_len;
src_len = iovec_cur_get_buffer(cur, &src, SIZE_MAX);
if (src_len == 0)
break;
if (EVP_CipherUpdate(cctx, txe_data(txe) + txe->data_len,
&l, src, src_len) != 1) {
ERR_raise(ERR_LIB_SSL, ERR_R_EVP_LIB);
return 0;
}
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
memcpy(txe_data(txe) + txe->data_len, src, l);
#endif
assert(l > 0 && src_len == (size_t)l);
txe->data_len += src_len;
}
if (EVP_CipherFinal_ex(cctx, NULL, &l2) != 1) {
ERR_raise(ERR_LIB_SSL, ERR_R_EVP_LIB);
return 0;
}
if (EVP_CIPHER_CTX_ctrl(cctx, EVP_CTRL_AEAD_GET_TAG,
el->tag_len, txe_data(txe) + txe->data_len) != 1) {
ERR_raise(ERR_LIB_SSL, ERR_R_EVP_LIB);
return 0;
}
txe->data_len += el->tag_len;
if (!ossl_quic_hdr_protector_encrypt(&el->hpr, ptrs))
return 0;
++el->op_count;
return 1;
}
static int qtx_write(OSSL_QTX *qtx, const OSSL_QTX_PKT *pkt, TXE *txe,
uint32_t enc_level, QUIC_PKT_HDR *hdr,
const OSSL_QTX_IOVEC *iovec, size_t num_iovec)
{
int ret, needs_encrypt;
size_t hdr_len, pred_hdr_len, payload_len, pkt_len, space_left;
size_t min_len, orig_data_len;
struct iovec_cur cur;
QUIC_PKT_HDR_PTRS ptrs;
unsigned char *hdr_start;
OSSL_QRL_ENC_LEVEL *el = NULL;
if (!ossl_quic_pkt_type_is_encrypted(hdr->type)) {
needs_encrypt = 0;
min_len = QUIC_MIN_VALID_PKT_LEN;
} else {
needs_encrypt = 1;
min_len = QUIC_MIN_VALID_PKT_LEN_CRYPTO;
el = ossl_qrl_enc_level_set_get(&qtx->el_set, enc_level, 1);
if (!ossl_assert(el != NULL))
return 0;
}
orig_data_len = txe->data_len;
space_left = txe->alloc_len - txe->data_len;
if (space_left < min_len) {
ret = QTX_FAIL_INSUFFICIENT_LEN;
goto err;
}
if (hdr->type == QUIC_PKT_TYPE_1RTT)
hdr->key_phase = (unsigned char)(el->key_epoch & 1);
iovec_cur_init(&cur, iovec, num_iovec);
if (cur.bytes_remaining == 0) {
ret = QTX_FAIL_GENERIC;
goto err;
}
if (needs_encrypt)
ossl_qtx_calculate_ciphertext_payload_len(qtx, enc_level,
cur.bytes_remaining,
&payload_len);
else
payload_len = cur.bytes_remaining;
hdr->data = NULL;
hdr->len = payload_len;
pred_hdr_len = ossl_quic_wire_get_encoded_pkt_hdr_len(hdr->dst_conn_id.id_len,
hdr);
if (pred_hdr_len == 0) {
ret = QTX_FAIL_GENERIC;
goto err;
}
pkt_len = pred_hdr_len + payload_len;
if (pkt_len > space_left) {
ret = QTX_FAIL_INSUFFICIENT_LEN;
goto err;
}
if (ossl_quic_pkt_type_has_pn(hdr->type)) {
if (!ossl_quic_wire_encode_pkt_hdr_pn(pkt->pn,
hdr->pn,
hdr->pn_len)) {
ret = QTX_FAIL_GENERIC;
goto err;
}
}
hdr_start = txe_data(txe) + txe->data_len;
if (!qtx_write_hdr(qtx, hdr, txe, &ptrs)) {
ret = QTX_FAIL_GENERIC;
goto err;
}
hdr_len = (txe_data(txe) + txe->data_len) - hdr_start;
assert(hdr_len == pred_hdr_len);
if (!needs_encrypt) {
const unsigned char *src;
size_t src_len;
for (;;) {
src_len = iovec_cur_get_buffer(&cur, &src, SIZE_MAX);
if (src_len == 0)
break;
memcpy(txe_data(txe) + txe->data_len, src, src_len);
txe->data_len += src_len;
}
} else {
if (!qtx_encrypt_into_txe(qtx, &cur, txe, enc_level, pkt->pn,
hdr_start, hdr_len, &ptrs)) {
ret = QTX_FAIL_GENERIC;
goto err;
}
assert(txe->data_len - orig_data_len == pkt_len);
}
return 1;
err:
txe->data_len = orig_data_len;
return ret;
}
static TXE *qtx_ensure_cons(OSSL_QTX *qtx)
{
TXE *txe = qtx->cons;
if (txe != NULL)
return txe;
txe = qtx_ensure_free_txe(qtx, qtx->mdpl);
if (txe == NULL)
return NULL;
ossl_list_txe_remove(&qtx->free, txe);
qtx->cons = txe;
qtx->cons_count = 0;
txe->data_len = 0;
return txe;
}
static QLOG *qtx_get_qlog(OSSL_QTX *qtx)
{
if (qtx->get_qlog_cb == NULL)
return NULL;
return qtx->get_qlog_cb(qtx->get_qlog_cb_arg);
}
static int qtx_mutate_write(OSSL_QTX *qtx, const OSSL_QTX_PKT *pkt, TXE *txe,
uint32_t enc_level)
{
int ret;
QUIC_PKT_HDR *hdr;
const OSSL_QTX_IOVEC *iovec;
size_t num_iovec;
if (qtx->mutatecb != NULL) {
if (!qtx->mutatecb(pkt->hdr, pkt->iovec, pkt->num_iovec, &hdr,
&iovec, &num_iovec, qtx->mutatearg))
return QTX_FAIL_GENERIC;
} else {
hdr = pkt->hdr;
iovec = pkt->iovec;
num_iovec = pkt->num_iovec;
}
ret = qtx_write(qtx, pkt, txe, enc_level,
hdr, iovec, num_iovec);
if (ret == 1)
ossl_qlog_event_transport_packet_sent(qtx_get_qlog(qtx), hdr, pkt->pn,
iovec, num_iovec,
qtx->datagram_count);
if (qtx->finishmutatecb != NULL)
qtx->finishmutatecb(qtx->mutatearg);
return ret;
}
static int addr_eq(const BIO_ADDR *a, const BIO_ADDR *b)
{
return ((a == NULL || BIO_ADDR_family(a) == AF_UNSPEC)
&& (b == NULL || BIO_ADDR_family(b) == AF_UNSPEC))
|| (a != NULL && b != NULL && memcmp(a, b, sizeof(*a)) == 0);
}
int ossl_qtx_write_pkt(OSSL_QTX *qtx, const OSSL_QTX_PKT *pkt)
{
int ret;
int coalescing = (pkt->flags & OSSL_QTX_PKT_FLAG_COALESCE) != 0;
int was_coalescing;
TXE *txe;
uint32_t enc_level;
if (pkt->hdr == NULL)
return 0;
enc_level = ossl_quic_pkt_type_to_enc_level(pkt->hdr->type);
if (!ossl_quic_pkt_type_can_share_dgram(pkt->hdr->type))
ossl_qtx_finish_dgram(qtx);
else if (enc_level >= QUIC_ENC_LEVEL_NUM
|| ossl_qrl_enc_level_set_have_el(&qtx->el_set, enc_level) != 1) {
return 0;
}
was_coalescing = (qtx->cons != NULL && qtx->cons->data_len > 0);
if (was_coalescing)
if (!addr_eq(&qtx->cons->peer, pkt->peer)
|| !addr_eq(&qtx->cons->local, pkt->local)) {
ossl_qtx_finish_dgram(qtx);
was_coalescing = 0;
}
for (;;) {
txe = qtx_ensure_cons(qtx);
if (txe == NULL)
return 0;
if (!qtx_reserve_txe(qtx, NULL, txe, qtx->mdpl))
return 0;
if (!was_coalescing) {
if (pkt->peer != NULL)
txe->peer = *pkt->peer;
else
BIO_ADDR_clear(&txe->peer);
if (pkt->local != NULL)
txe->local = *pkt->local;
else
BIO_ADDR_clear(&txe->local);
}
ret = qtx_mutate_write(qtx, pkt, txe, enc_level);
if (ret == 1) {
break;
} else if (ret == QTX_FAIL_INSUFFICIENT_LEN) {
if (was_coalescing) {
ossl_qtx_finish_dgram(qtx);
was_coalescing = 0;
} else {
return 0;
}
} else {
return 0;
}
}
++qtx->cons_count;
if (ossl_quic_pkt_type_must_be_last(pkt->hdr->type))
coalescing = 0;
if (!coalescing)
ossl_qtx_finish_dgram(qtx);
return 1;
}
void ossl_qtx_finish_dgram(OSSL_QTX *qtx)
{
TXE *txe = qtx->cons;
if (txe == NULL)
return;
if (txe->data_len == 0)
ossl_list_txe_insert_tail(&qtx->free, txe);
else
qtx_add_to_pending(qtx, txe);
qtx->cons = NULL;
qtx->cons_count = 0;
++qtx->datagram_count;
}
static void txe_to_msg(TXE *txe, BIO_MSG *msg)
{
msg->data = txe_data(txe);
msg->data_len = txe->data_len;
msg->flags = 0;
msg->peer
= BIO_ADDR_family(&txe->peer) != AF_UNSPEC ? &txe->peer : NULL;
msg->local
= BIO_ADDR_family(&txe->local) != AF_UNSPEC ? &txe->local : NULL;
}
#define MAX_MSGS_PER_SEND 32
int ossl_qtx_flush_net(OSSL_QTX *qtx)
{
BIO_MSG msg[MAX_MSGS_PER_SEND];
size_t wr, i, total_written = 0;
TXE *txe;
int res;
if (ossl_list_txe_head(&qtx->pending) == NULL)
return QTX_FLUSH_NET_RES_OK;
if (qtx->bio == NULL)
return QTX_FLUSH_NET_RES_PERMANENT_FAIL;
for (;;) {
for (txe = ossl_list_txe_head(&qtx->pending), i = 0;
txe != NULL && i < OSSL_NELEM(msg);
txe = ossl_list_txe_next(txe), ++i)
txe_to_msg(txe, &msg[i]);
if (!i)
break;
ERR_set_mark();
res = BIO_sendmmsg(qtx->bio, msg, sizeof(BIO_MSG), i, 0, &wr);
if (res && wr == 0) {
ERR_clear_last_mark();
break;
} else if (!res) {
if (BIO_err_is_non_fatal(ERR_peek_last_error())) {
ERR_pop_to_mark();
break;
} else {
ERR_clear_last_mark();
return QTX_FLUSH_NET_RES_PERMANENT_FAIL;
}
}
ERR_clear_last_mark();
for (i = 0; i < wr; ++i) {
if (qtx->msg_callback != NULL)
qtx->msg_callback(1, OSSL_QUIC1_VERSION, SSL3_RT_QUIC_DATAGRAM,
msg[i].data, msg[i].data_len,
qtx->msg_callback_ssl,
qtx->msg_callback_arg);
qtx_pending_to_free(qtx);
}
total_written += wr;
}
return total_written > 0
? QTX_FLUSH_NET_RES_OK
: QTX_FLUSH_NET_RES_TRANSIENT_FAIL;
}
int ossl_qtx_pop_net(OSSL_QTX *qtx, BIO_MSG *msg)
{
TXE *txe = ossl_list_txe_head(&qtx->pending);
if (txe == NULL)
return 0;
txe_to_msg(txe, msg);
qtx_pending_to_free(qtx);
return 1;
}
void ossl_qtx_set_bio(OSSL_QTX *qtx, BIO *bio)
{
qtx->bio = bio;
}
int ossl_qtx_set_mdpl(OSSL_QTX *qtx, size_t mdpl)
{
if (mdpl < QUIC_MIN_INITIAL_DGRAM_LEN)
return 0;
qtx->mdpl = mdpl;
return 1;
}
size_t ossl_qtx_get_mdpl(OSSL_QTX *qtx)
{
return qtx->mdpl;
}
size_t ossl_qtx_get_queue_len_datagrams(OSSL_QTX *qtx)
{
return qtx->pending_count;
}
size_t ossl_qtx_get_queue_len_bytes(OSSL_QTX *qtx)
{
return qtx->pending_bytes;
}
size_t ossl_qtx_get_cur_dgram_len_bytes(OSSL_QTX *qtx)
{
return qtx->cons != NULL ? qtx->cons->data_len : 0;
}
size_t ossl_qtx_get_unflushed_pkt_count(OSSL_QTX *qtx)
{
return qtx->cons_count;
}
int ossl_qtx_trigger_key_update(OSSL_QTX *qtx)
{
return ossl_qrl_enc_level_set_key_update(&qtx->el_set,
QUIC_ENC_LEVEL_1RTT);
}
uint64_t ossl_qtx_get_cur_epoch_pkt_count(OSSL_QTX *qtx, uint32_t enc_level)
{
OSSL_QRL_ENC_LEVEL *el;
el = ossl_qrl_enc_level_set_get(&qtx->el_set, enc_level, 1);
if (el == NULL)
return UINT64_MAX;
return el->op_count;
}
uint64_t ossl_qtx_get_max_epoch_pkt_count(OSSL_QTX *qtx, uint32_t enc_level)
{
OSSL_QRL_ENC_LEVEL *el;
el = ossl_qrl_enc_level_set_get(&qtx->el_set, enc_level, 1);
if (el == NULL)
return UINT64_MAX;
return ossl_qrl_get_suite_max_pkt(el->suite_id);
}
void ossl_qtx_set_msg_callback(OSSL_QTX *qtx, ossl_msg_cb msg_callback,
SSL *msg_callback_ssl)
{
qtx->msg_callback = msg_callback;
qtx->msg_callback_ssl = msg_callback_ssl;
}
void ossl_qtx_set_msg_callback_arg(OSSL_QTX *qtx, void *msg_callback_arg)
{
qtx->msg_callback_arg = msg_callback_arg;
}
uint64_t ossl_qtx_get_key_epoch(OSSL_QTX *qtx)
{
OSSL_QRL_ENC_LEVEL *el;
el = ossl_qrl_enc_level_set_get(&qtx->el_set, QUIC_ENC_LEVEL_1RTT, 1);
if (el == NULL)
return 0;
return el->key_epoch;
}
| quic | openssl/ssl/quic/quic_record_tx.c | openssl |
#include "internal/uint_set.h"
#include "internal/common.h"
#include "internal/quic_sf_list.h"
struct stream_frame_st {
struct stream_frame_st *prev, *next;
UINT_RANGE range;
OSSL_QRX_PKT *pkt;
const unsigned char *data;
};
static void stream_frame_free(SFRAME_LIST *fl, STREAM_FRAME *sf)
{
if (fl->cleanse && sf->data != NULL)
OPENSSL_cleanse((unsigned char *)sf->data,
(size_t)(sf->range.end - sf->range.start));
ossl_qrx_pkt_release(sf->pkt);
OPENSSL_free(sf);
}
static STREAM_FRAME *stream_frame_new(UINT_RANGE *range, OSSL_QRX_PKT *pkt,
const unsigned char *data)
{
STREAM_FRAME *sf = OPENSSL_zalloc(sizeof(*sf));
if (sf == NULL)
return NULL;
if (pkt != NULL)
ossl_qrx_pkt_up_ref(pkt);
sf->range = *range;
sf->pkt = pkt;
sf->data = data;
return sf;
}
void ossl_sframe_list_init(SFRAME_LIST *fl)
{
memset(fl, 0, sizeof(*fl));
}
void ossl_sframe_list_destroy(SFRAME_LIST *fl)
{
STREAM_FRAME *sf, *next_frame;
for (sf = fl->head; sf != NULL; sf = next_frame) {
next_frame = sf->next;
stream_frame_free(fl, sf);
}
}
static int append_frame(SFRAME_LIST *fl, UINT_RANGE *range,
OSSL_QRX_PKT *pkt,
const unsigned char *data)
{
STREAM_FRAME *new_frame;
if ((new_frame = stream_frame_new(range, pkt, data)) == NULL)
return 0;
new_frame->prev = fl->tail;
if (fl->tail != NULL)
fl->tail->next = new_frame;
fl->tail = new_frame;
++fl->num_frames;
return 1;
}
int ossl_sframe_list_insert(SFRAME_LIST *fl, UINT_RANGE *range,
OSSL_QRX_PKT *pkt,
const unsigned char *data, int fin)
{
STREAM_FRAME *sf, *new_frame, *prev_frame, *next_frame;
#ifndef NDEBUG
uint64_t curr_end = fl->tail != NULL ? fl->tail->range.end
: fl->offset;
assert((!fin || curr_end <= range->end)
&& (!fl->fin || curr_end >= range->end));
#endif
if (fl->offset >= range->end)
goto end;
if (fl->tail == NULL) {
fl->tail = fl->head = stream_frame_new(range, pkt, data);
if (fl->tail == NULL)
return 0;
++fl->num_frames;
goto end;
}
if (fl->tail->range.start < range->start) {
if (fl->tail->range.end >= range->end)
goto end;
if (!append_frame(fl, range, pkt, data))
return 0;
goto end;
}
prev_frame = NULL;
for (sf = fl->head; sf != NULL && sf->range.start < range->start;
sf = sf->next)
prev_frame = sf;
if (!ossl_assert(sf != NULL))
return 0;
if (prev_frame != NULL && prev_frame->range.end >= range->end)
goto end;
new_frame = stream_frame_new(range, pkt, data);
if (new_frame == NULL)
return 0;
for (next_frame = sf;
next_frame != NULL && next_frame->range.end <= range->end;) {
STREAM_FRAME *drop_frame = next_frame;
next_frame = next_frame->next;
if (next_frame != NULL)
next_frame->prev = drop_frame->prev;
if (prev_frame != NULL)
prev_frame->next = drop_frame->next;
if (fl->head == drop_frame)
fl->head = next_frame;
if (fl->tail == drop_frame)
fl->tail = prev_frame;
--fl->num_frames;
stream_frame_free(fl, drop_frame);
}
if (next_frame != NULL) {
if (prev_frame != NULL
&& next_frame->range.start <= prev_frame->range.end) {
stream_frame_free(fl, new_frame);
goto end;
}
next_frame->prev = new_frame;
} else {
fl->tail = new_frame;
}
new_frame->next = next_frame;
new_frame->prev = prev_frame;
if (prev_frame != NULL)
prev_frame->next = new_frame;
else
fl->head = new_frame;
++fl->num_frames;
end:
fl->fin = fin || fl->fin;
return 1;
}
int ossl_sframe_list_peek(const SFRAME_LIST *fl, void **iter,
UINT_RANGE *range, const unsigned char **data,
int *fin)
{
STREAM_FRAME *sf = *iter;
uint64_t start;
if (sf == NULL) {
start = fl->offset;
sf = fl->head;
} else {
start = sf->range.end;
sf = sf->next;
}
range->start = start;
if (sf == NULL || sf->range.start > start
|| !ossl_assert(start < sf->range.end)) {
range->end = start;
*data = NULL;
*iter = NULL;
*fin = sf == NULL ? fl->fin : 0;
return 0;
}
range->end = sf->range.end;
if (sf->data != NULL)
*data = sf->data + (start - sf->range.start);
else
*data = NULL;
*fin = sf->next == NULL ? fl->fin : 0;
*iter = sf;
return 1;
}
int ossl_sframe_list_drop_frames(SFRAME_LIST *fl, uint64_t limit)
{
STREAM_FRAME *sf;
if (!ossl_assert(limit >= fl->offset)
|| !ossl_assert(fl->tail == NULL
|| limit <= fl->tail->range.end)
|| !ossl_assert(fl->tail != NULL
|| limit == fl->offset))
return 0;
fl->offset = limit;
for (sf = fl->head; sf != NULL && sf->range.end <= limit;) {
STREAM_FRAME *drop_frame = sf;
sf = sf->next;
--fl->num_frames;
stream_frame_free(fl, drop_frame);
}
fl->head = sf;
if (sf != NULL)
sf->prev = NULL;
else
fl->tail = NULL;
fl->head_locked = 0;
return 1;
}
int ossl_sframe_list_lock_head(SFRAME_LIST *fl, UINT_RANGE *range,
const unsigned char **data,
int *fin)
{
int ret;
void *iter = NULL;
if (fl->head_locked)
return 0;
ret = ossl_sframe_list_peek(fl, &iter, range, data, fin);
if (ret)
fl->head_locked = 1;
return ret;
}
int ossl_sframe_list_is_head_locked(SFRAME_LIST *fl)
{
return fl->head_locked;
}
int ossl_sframe_list_move_data(SFRAME_LIST *fl,
sframe_list_write_at_cb *write_at_cb,
void *cb_arg)
{
STREAM_FRAME *sf = fl->head, *prev_frame = NULL;
uint64_t limit = fl->offset;
if (sf == NULL)
return 1;
if (fl->head_locked)
sf = sf->next;
for (; sf != NULL; sf = sf->next) {
size_t len;
const unsigned char *data = sf->data;
if (limit < sf->range.start)
limit = sf->range.start;
if (data != NULL) {
if (limit > sf->range.start)
data += (size_t)(limit - sf->range.start);
len = (size_t)(sf->range.end - limit);
if (!write_at_cb(limit, data, len, cb_arg))
return 0;
if (fl->cleanse)
OPENSSL_cleanse((unsigned char *)sf->data,
(size_t)(sf->range.end - sf->range.start));
sf->data = NULL;
ossl_qrx_pkt_release(sf->pkt);
sf->pkt = NULL;
}
limit = sf->range.end;
if (prev_frame != NULL
&& prev_frame->range.end >= sf->range.start) {
prev_frame->range.end = sf->range.end;
prev_frame->next = sf->next;
if (sf->next != NULL)
sf->next->prev = prev_frame;
else
fl->tail = prev_frame;
--fl->num_frames;
stream_frame_free(fl, sf);
sf = prev_frame;
continue;
}
prev_frame = sf;
}
return 1;
}
| quic | openssl/ssl/quic/quic_sf_list.c | openssl |
#include <openssl/rand.h>
#include <openssl/err.h>
#include "internal/quic_channel.h"
#include "internal/quic_error.h"
#include "internal/quic_rx_depack.h"
#include "internal/quic_lcidm.h"
#include "internal/quic_srtm.h"
#include "internal/qlog_event_helpers.h"
#include "../ssl_local.h"
#include "quic_channel_local.h"
#include "quic_port_local.h"
#include "quic_engine_local.h"
#define INIT_CRYPTO_RECV_BUF_LEN 16384
#define INIT_CRYPTO_SEND_BUF_LEN 16384
#define INIT_APP_BUF_LEN 8192
#define MAX_NAT_INTERVAL (ossl_ms2time(25000))
#define DEFAULT_MAX_ACK_DELAY QUIC_DEFAULT_MAX_ACK_DELAY
DEFINE_LIST_OF_IMPL(ch, QUIC_CHANNEL);
static void ch_save_err_state(QUIC_CHANNEL *ch);
static int ch_rx(QUIC_CHANNEL *ch, int channel_only);
static int ch_tx(QUIC_CHANNEL *ch);
static int ch_tick_tls(QUIC_CHANNEL *ch, int channel_only);
static void ch_rx_handle_packet(QUIC_CHANNEL *ch, int channel_only);
static OSSL_TIME ch_determine_next_tick_deadline(QUIC_CHANNEL *ch);
static int ch_retry(QUIC_CHANNEL *ch,
const unsigned char *retry_token,
size_t retry_token_len,
const QUIC_CONN_ID *retry_scid);
static void ch_cleanup(QUIC_CHANNEL *ch);
static int ch_generate_transport_params(QUIC_CHANNEL *ch);
static int ch_on_transport_params(const unsigned char *params,
size_t params_len,
void *arg);
static int ch_on_handshake_alert(void *arg, unsigned char alert_code);
static int ch_on_handshake_complete(void *arg);
static int ch_on_handshake_yield_secret(uint32_t enc_level, int direction,
uint32_t suite_id, EVP_MD *md,
const unsigned char *secret,
size_t secret_len,
void *arg);
static int ch_on_crypto_recv_record(const unsigned char **buf,
size_t *bytes_read, void *arg);
static int ch_on_crypto_release_record(size_t bytes_read, void *arg);
static int crypto_ensure_empty(QUIC_RSTREAM *rstream);
static int ch_on_crypto_send(const unsigned char *buf, size_t buf_len,
size_t *consumed, void *arg);
static OSSL_TIME get_time(void *arg);
static uint64_t get_stream_limit(int uni, void *arg);
static int rx_late_validate(QUIC_PN pn, int pn_space, void *arg);
static void rxku_detected(QUIC_PN pn, void *arg);
static int ch_retry(QUIC_CHANNEL *ch,
const unsigned char *retry_token,
size_t retry_token_len,
const QUIC_CONN_ID *retry_scid);
static void ch_update_idle(QUIC_CHANNEL *ch);
static int ch_discard_el(QUIC_CHANNEL *ch,
uint32_t enc_level);
static void ch_on_idle_timeout(QUIC_CHANNEL *ch);
static void ch_update_idle(QUIC_CHANNEL *ch);
static void ch_update_ping_deadline(QUIC_CHANNEL *ch);
static void ch_on_terminating_timeout(QUIC_CHANNEL *ch);
static void ch_start_terminating(QUIC_CHANNEL *ch,
const QUIC_TERMINATE_CAUSE *tcause,
int force_immediate);
static void ch_on_txp_ack_tx(const OSSL_QUIC_FRAME_ACK *ack, uint32_t pn_space,
void *arg);
static void ch_rx_handle_version_neg(QUIC_CHANNEL *ch, OSSL_QRX_PKT *pkt);
static void ch_raise_version_neg_failure(QUIC_CHANNEL *ch);
static void ch_record_state_transition(QUIC_CHANNEL *ch, uint32_t new_state);
DEFINE_LHASH_OF_EX(QUIC_SRT_ELEM);
QUIC_NEEDS_LOCK
static QLOG *ch_get_qlog(QUIC_CHANNEL *ch)
{
#ifndef OPENSSL_NO_QLOG
QLOG_TRACE_INFO qti = {0};
if (ch->qlog != NULL)
return ch->qlog;
if (!ch->use_qlog)
return NULL;
if (ch->is_server && ch->init_dcid.id_len == 0)
return NULL;
qti.odcid = ch->init_dcid;
qti.title = ch->qlog_title;
qti.description = NULL;
qti.group_id = NULL;
qti.is_server = ch->is_server;
qti.now_cb = get_time;
qti.now_cb_arg = ch;
if ((ch->qlog = ossl_qlog_new_from_env(&qti)) == NULL) {
ch->use_qlog = 0;
return NULL;
}
return ch->qlog;
#else
return NULL;
#endif
}
QUIC_NEEDS_LOCK
static QLOG *ch_get_qlog_cb(void *arg)
{
QUIC_CHANNEL *ch = arg;
return ch_get_qlog(ch);
}
#define DEFAULT_INIT_CONN_RXFC_WND (768 * 1024)
#define DEFAULT_CONN_RXFC_MAX_WND_MUL 20
#define DEFAULT_INIT_STREAM_RXFC_WND (512 * 1024)
#define DEFAULT_STREAM_RXFC_MAX_WND_MUL 12
#define DEFAULT_INIT_CONN_MAX_STREAMS 100
static int ch_init(QUIC_CHANNEL *ch)
{
OSSL_QUIC_TX_PACKETISER_ARGS txp_args = {0};
OSSL_QTX_ARGS qtx_args = {0};
OSSL_QRX_ARGS qrx_args = {0};
QUIC_TLS_ARGS tls_args = {0};
uint32_t pn_space;
size_t rx_short_dcid_len;
size_t tx_init_dcid_len;
if (ch->port == NULL || ch->lcidm == NULL || ch->srtm == NULL)
goto err;
rx_short_dcid_len = ossl_quic_port_get_rx_short_dcid_len(ch->port);
tx_init_dcid_len = ossl_quic_port_get_tx_init_dcid_len(ch->port);
if (!ch->is_server
&& !ossl_quic_gen_rand_conn_id(ch->port->engine->libctx, tx_init_dcid_len,
&ch->init_dcid))
goto err;
qtx_args.libctx = ch->port->engine->libctx;
qtx_args.get_qlog_cb = ch_get_qlog_cb;
qtx_args.get_qlog_cb_arg = ch;
qtx_args.mdpl = QUIC_MIN_INITIAL_DGRAM_LEN;
ch->rx_max_udp_payload_size = qtx_args.mdpl;
ch->ping_deadline = ossl_time_infinite();
ch->qtx = ossl_qtx_new(&qtx_args);
if (ch->qtx == NULL)
goto err;
ch->txpim = ossl_quic_txpim_new();
if (ch->txpim == NULL)
goto err;
ch->cfq = ossl_quic_cfq_new();
if (ch->cfq == NULL)
goto err;
if (!ossl_quic_txfc_init(&ch->conn_txfc, NULL))
goto err;
ch->tx_init_max_stream_data_bidi_local = DEFAULT_INIT_STREAM_RXFC_WND;
ch->tx_init_max_stream_data_bidi_remote = DEFAULT_INIT_STREAM_RXFC_WND;
ch->tx_init_max_stream_data_uni = DEFAULT_INIT_STREAM_RXFC_WND;
if (!ossl_quic_rxfc_init(&ch->conn_rxfc, NULL,
DEFAULT_INIT_CONN_RXFC_WND,
DEFAULT_CONN_RXFC_MAX_WND_MUL *
DEFAULT_INIT_CONN_RXFC_WND,
get_time, ch))
goto err;
for (pn_space = QUIC_PN_SPACE_INITIAL; pn_space < QUIC_PN_SPACE_NUM; ++pn_space)
if (!ossl_quic_rxfc_init_standalone(&ch->crypto_rxfc[pn_space],
INIT_CRYPTO_RECV_BUF_LEN,
get_time, ch))
goto err;
if (!ossl_quic_rxfc_init_standalone(&ch->max_streams_bidi_rxfc,
DEFAULT_INIT_CONN_MAX_STREAMS,
get_time, ch))
goto err;
if (!ossl_quic_rxfc_init_standalone(&ch->max_streams_uni_rxfc,
DEFAULT_INIT_CONN_MAX_STREAMS,
get_time, ch))
goto err;
if (!ossl_statm_init(&ch->statm))
goto err;
ch->have_statm = 1;
ch->cc_method = &ossl_cc_newreno_method;
if ((ch->cc_data = ch->cc_method->new(get_time, ch)) == NULL)
goto err;
if ((ch->ackm = ossl_ackm_new(get_time, ch, &ch->statm,
ch->cc_method, ch->cc_data)) == NULL)
goto err;
if (!ossl_quic_stream_map_init(&ch->qsm, get_stream_limit, ch,
&ch->max_streams_bidi_rxfc,
&ch->max_streams_uni_rxfc,
ch->is_server))
goto err;
ch->have_qsm = 1;
if (!ch->is_server
&& !ossl_quic_lcidm_generate_initial(ch->lcidm, ch, &txp_args.cur_scid))
goto err;
txp_args.cur_dcid = ch->init_dcid;
txp_args.ack_delay_exponent = 3;
txp_args.qtx = ch->qtx;
txp_args.txpim = ch->txpim;
txp_args.cfq = ch->cfq;
txp_args.ackm = ch->ackm;
txp_args.qsm = &ch->qsm;
txp_args.conn_txfc = &ch->conn_txfc;
txp_args.conn_rxfc = &ch->conn_rxfc;
txp_args.max_streams_bidi_rxfc = &ch->max_streams_bidi_rxfc;
txp_args.max_streams_uni_rxfc = &ch->max_streams_uni_rxfc;
txp_args.cc_method = ch->cc_method;
txp_args.cc_data = ch->cc_data;
txp_args.now = get_time;
txp_args.now_arg = ch;
txp_args.get_qlog_cb = ch_get_qlog_cb;
txp_args.get_qlog_cb_arg = ch;
for (pn_space = QUIC_PN_SPACE_INITIAL; pn_space < QUIC_PN_SPACE_NUM; ++pn_space) {
ch->crypto_send[pn_space] = ossl_quic_sstream_new(INIT_CRYPTO_SEND_BUF_LEN);
if (ch->crypto_send[pn_space] == NULL)
goto err;
txp_args.crypto[pn_space] = ch->crypto_send[pn_space];
}
ch->txp = ossl_quic_tx_packetiser_new(&txp_args);
if (ch->txp == NULL)
goto err;
ossl_quic_tx_packetiser_set_ack_tx_cb(ch->txp, ch_on_txp_ack_tx, ch);
qrx_args.libctx = ch->port->engine->libctx;
qrx_args.demux = ch->port->demux;
qrx_args.short_conn_id_len = rx_short_dcid_len;
qrx_args.max_deferred = 32;
if ((ch->qrx = ossl_qrx_new(&qrx_args)) == NULL)
goto err;
if (!ossl_qrx_set_late_validation_cb(ch->qrx,
rx_late_validate,
ch))
goto err;
if (!ossl_qrx_set_key_update_cb(ch->qrx,
rxku_detected,
ch))
goto err;
for (pn_space = QUIC_PN_SPACE_INITIAL; pn_space < QUIC_PN_SPACE_NUM; ++pn_space) {
ch->crypto_recv[pn_space] = ossl_quic_rstream_new(NULL, NULL, 0);
if (ch->crypto_recv[pn_space] == NULL)
goto err;
}
tls_args.s = ch->tls;
tls_args.crypto_send_cb = ch_on_crypto_send;
tls_args.crypto_send_cb_arg = ch;
tls_args.crypto_recv_rcd_cb = ch_on_crypto_recv_record;
tls_args.crypto_recv_rcd_cb_arg = ch;
tls_args.crypto_release_rcd_cb = ch_on_crypto_release_record;
tls_args.crypto_release_rcd_cb_arg = ch;
tls_args.yield_secret_cb = ch_on_handshake_yield_secret;
tls_args.yield_secret_cb_arg = ch;
tls_args.got_transport_params_cb = ch_on_transport_params;
tls_args.got_transport_params_cb_arg= ch;
tls_args.handshake_complete_cb = ch_on_handshake_complete;
tls_args.handshake_complete_cb_arg = ch;
tls_args.alert_cb = ch_on_handshake_alert;
tls_args.alert_cb_arg = ch;
tls_args.is_server = ch->is_server;
if ((ch->qtls = ossl_quic_tls_new(&tls_args)) == NULL)
goto err;
ch->tx_max_ack_delay = DEFAULT_MAX_ACK_DELAY;
ch->rx_max_ack_delay = QUIC_DEFAULT_MAX_ACK_DELAY;
ch->rx_ack_delay_exp = QUIC_DEFAULT_ACK_DELAY_EXP;
ch->rx_active_conn_id_limit = QUIC_MIN_ACTIVE_CONN_ID_LIMIT;
ch->tx_enc_level = QUIC_ENC_LEVEL_INITIAL;
ch->rx_enc_level = QUIC_ENC_LEVEL_INITIAL;
ch->txku_threshold_override = UINT64_MAX;
ch->max_idle_timeout_local_req = QUIC_DEFAULT_IDLE_TIMEOUT;
ch->max_idle_timeout_remote_req = 0;
ch->max_idle_timeout = ch->max_idle_timeout_local_req;
ossl_ackm_set_tx_max_ack_delay(ch->ackm, ossl_ms2time(ch->tx_max_ack_delay));
ossl_ackm_set_rx_max_ack_delay(ch->ackm, ossl_ms2time(ch->rx_max_ack_delay));
ch_update_idle(ch);
ossl_list_ch_insert_tail(&ch->port->channel_list, ch);
ch->on_port_list = 1;
return 1;
err:
ch_cleanup(ch);
return 0;
}
static void ch_cleanup(QUIC_CHANNEL *ch)
{
uint32_t pn_space;
if (ch->ackm != NULL)
for (pn_space = QUIC_PN_SPACE_INITIAL;
pn_space < QUIC_PN_SPACE_NUM;
++pn_space)
ossl_ackm_on_pkt_space_discarded(ch->ackm, pn_space);
ossl_quic_lcidm_cull(ch->lcidm, ch);
ossl_quic_srtm_cull(ch->srtm, ch);
ossl_quic_tx_packetiser_free(ch->txp);
ossl_quic_txpim_free(ch->txpim);
ossl_quic_cfq_free(ch->cfq);
ossl_qtx_free(ch->qtx);
if (ch->cc_data != NULL)
ch->cc_method->free(ch->cc_data);
if (ch->have_statm)
ossl_statm_destroy(&ch->statm);
ossl_ackm_free(ch->ackm);
if (ch->have_qsm)
ossl_quic_stream_map_cleanup(&ch->qsm);
for (pn_space = QUIC_PN_SPACE_INITIAL; pn_space < QUIC_PN_SPACE_NUM; ++pn_space) {
ossl_quic_sstream_free(ch->crypto_send[pn_space]);
ossl_quic_rstream_free(ch->crypto_recv[pn_space]);
}
ossl_qrx_pkt_release(ch->qrx_pkt);
ch->qrx_pkt = NULL;
ossl_quic_tls_free(ch->qtls);
ossl_qrx_free(ch->qrx);
OPENSSL_free(ch->local_transport_params);
OPENSSL_free((char *)ch->terminate_cause.reason);
OSSL_ERR_STATE_free(ch->err_state);
OPENSSL_free(ch->ack_range_scratch);
if (ch->on_port_list) {
ossl_list_ch_remove(&ch->port->channel_list, ch);
ch->on_port_list = 0;
}
#ifndef OPENSSL_NO_QLOG
if (ch->qlog != NULL)
ossl_qlog_flush(ch->qlog);
OPENSSL_free(ch->qlog_title);
ossl_qlog_free(ch->qlog);
#endif
}
QUIC_CHANNEL *ossl_quic_channel_new(const QUIC_CHANNEL_ARGS *args)
{
QUIC_CHANNEL *ch = NULL;
if ((ch = OPENSSL_zalloc(sizeof(*ch))) == NULL)
return NULL;
ch->port = args->port;
ch->is_server = args->is_server;
ch->tls = args->tls;
ch->lcidm = args->lcidm;
ch->srtm = args->srtm;
#ifndef OPENSSL_NO_QLOG
ch->use_qlog = args->use_qlog;
if (ch->use_qlog && args->qlog_title != NULL) {
if ((ch->qlog_title = OPENSSL_strdup(args->qlog_title)) == NULL) {
OPENSSL_free(ch);
return NULL;
}
}
#endif
if (!ch_init(ch)) {
OPENSSL_free(ch);
return NULL;
}
return ch;
}
void ossl_quic_channel_free(QUIC_CHANNEL *ch)
{
if (ch == NULL)
return;
ch_cleanup(ch);
OPENSSL_free(ch);
}
int ossl_quic_channel_set_mutator(QUIC_CHANNEL *ch,
ossl_mutate_packet_cb mutatecb,
ossl_finish_mutate_cb finishmutatecb,
void *mutatearg)
{
if (ch->qtx == NULL)
return 0;
ossl_qtx_set_mutator(ch->qtx, mutatecb, finishmutatecb, mutatearg);
return 1;
}
int ossl_quic_channel_get_peer_addr(QUIC_CHANNEL *ch, BIO_ADDR *peer_addr)
{
if (!ch->addressed_mode)
return 0;
*peer_addr = ch->cur_peer_addr;
return 1;
}
int ossl_quic_channel_set_peer_addr(QUIC_CHANNEL *ch, const BIO_ADDR *peer_addr)
{
if (ch->state != QUIC_CHANNEL_STATE_IDLE)
return 0;
if (peer_addr == NULL || BIO_ADDR_family(peer_addr) == AF_UNSPEC) {
BIO_ADDR_clear(&ch->cur_peer_addr);
ch->addressed_mode = 0;
return 1;
}
ch->cur_peer_addr = *peer_addr;
ch->addressed_mode = 1;
return 1;
}
QUIC_REACTOR *ossl_quic_channel_get_reactor(QUIC_CHANNEL *ch)
{
return ossl_quic_port_get0_reactor(ch->port);
}
QUIC_STREAM_MAP *ossl_quic_channel_get_qsm(QUIC_CHANNEL *ch)
{
return &ch->qsm;
}
OSSL_STATM *ossl_quic_channel_get_statm(QUIC_CHANNEL *ch)
{
return &ch->statm;
}
QUIC_STREAM *ossl_quic_channel_get_stream_by_id(QUIC_CHANNEL *ch,
uint64_t stream_id)
{
return ossl_quic_stream_map_get_by_id(&ch->qsm, stream_id);
}
int ossl_quic_channel_is_active(const QUIC_CHANNEL *ch)
{
return ch != NULL && ch->state == QUIC_CHANNEL_STATE_ACTIVE;
}
int ossl_quic_channel_is_closing(const QUIC_CHANNEL *ch)
{
return ch->state == QUIC_CHANNEL_STATE_TERMINATING_CLOSING;
}
static int ossl_quic_channel_is_draining(const QUIC_CHANNEL *ch)
{
return ch->state == QUIC_CHANNEL_STATE_TERMINATING_DRAINING;
}
static int ossl_quic_channel_is_terminating(const QUIC_CHANNEL *ch)
{
return ossl_quic_channel_is_closing(ch)
|| ossl_quic_channel_is_draining(ch);
}
int ossl_quic_channel_is_terminated(const QUIC_CHANNEL *ch)
{
return ch->state == QUIC_CHANNEL_STATE_TERMINATED;
}
int ossl_quic_channel_is_term_any(const QUIC_CHANNEL *ch)
{
return ossl_quic_channel_is_terminating(ch)
|| ossl_quic_channel_is_terminated(ch);
}
const QUIC_TERMINATE_CAUSE *
ossl_quic_channel_get_terminate_cause(const QUIC_CHANNEL *ch)
{
return ossl_quic_channel_is_term_any(ch) ? &ch->terminate_cause : NULL;
}
int ossl_quic_channel_is_handshake_complete(const QUIC_CHANNEL *ch)
{
return ch->handshake_complete;
}
int ossl_quic_channel_is_handshake_confirmed(const QUIC_CHANNEL *ch)
{
return ch->handshake_confirmed;
}
QUIC_DEMUX *ossl_quic_channel_get0_demux(QUIC_CHANNEL *ch)
{
return ch->port->demux;
}
QUIC_PORT *ossl_quic_channel_get0_port(QUIC_CHANNEL *ch)
{
return ch->port;
}
QUIC_ENGINE *ossl_quic_channel_get0_engine(QUIC_CHANNEL *ch)
{
return ossl_quic_port_get0_engine(ch->port);
}
CRYPTO_MUTEX *ossl_quic_channel_get_mutex(QUIC_CHANNEL *ch)
{
return ossl_quic_port_get0_mutex(ch->port);
}
int ossl_quic_channel_has_pending(const QUIC_CHANNEL *ch)
{
return ossl_quic_demux_has_pending(ch->port->demux)
|| ossl_qrx_processed_read_pending(ch->qrx);
}
static OSSL_TIME get_time(void *arg)
{
QUIC_CHANNEL *ch = arg;
return ossl_quic_port_get_time(ch->port);
}
static uint64_t get_stream_limit(int uni, void *arg)
{
QUIC_CHANNEL *ch = arg;
return uni ? ch->max_local_streams_uni : ch->max_local_streams_bidi;
}
static int rx_late_validate(QUIC_PN pn, int pn_space, void *arg)
{
QUIC_CHANNEL *ch = arg;
if (!ossl_ackm_is_rx_pn_processable(ch->ackm, pn, pn_space))
return 0;
return 1;
}
QUIC_NEEDS_LOCK
static void ch_trigger_txku(QUIC_CHANNEL *ch)
{
uint64_t next_pn
= ossl_quic_tx_packetiser_get_next_pn(ch->txp, QUIC_PN_SPACE_APP);
if (!ossl_quic_pn_valid(next_pn)
|| !ossl_qtx_trigger_key_update(ch->qtx)) {
ossl_quic_channel_raise_protocol_error(ch, OSSL_QUIC_ERR_INTERNAL_ERROR, 0,
"key update");
return;
}
ch->txku_in_progress = 1;
ch->txku_pn = next_pn;
ch->rxku_expected = ch->ku_locally_initiated;
}
QUIC_NEEDS_LOCK
static int txku_in_progress(QUIC_CHANNEL *ch)
{
if (ch->txku_in_progress
&& ossl_ackm_get_largest_acked(ch->ackm, QUIC_PN_SPACE_APP) >= ch->txku_pn) {
OSSL_TIME pto = ossl_ackm_get_pto_duration(ch->ackm);
ch->txku_in_progress = 0;
ch->txku_cooldown_deadline = ossl_time_add(get_time(ch),
ossl_time_multiply(pto, 3));
}
return ch->txku_in_progress;
}
QUIC_NEEDS_LOCK
static int txku_allowed(QUIC_CHANNEL *ch)
{
return ch->tx_enc_level == QUIC_ENC_LEVEL_1RTT
&& ch->handshake_confirmed
&& !txku_in_progress(ch);
}
QUIC_NEEDS_LOCK
static int txku_recommendable(QUIC_CHANNEL *ch)
{
if (!txku_allowed(ch))
return 0;
return
ossl_time_compare(get_time(ch), ch->txku_cooldown_deadline) >= 0
&& !ch->rxku_in_progress
&& !ch->rxku_pending_confirm;
}
QUIC_NEEDS_LOCK
static int txku_desirable(QUIC_CHANNEL *ch)
{
uint64_t cur_pkt_count, max_pkt_count, thresh_pkt_count;
const uint32_t enc_level = QUIC_ENC_LEVEL_1RTT;
cur_pkt_count = ossl_qtx_get_cur_epoch_pkt_count(ch->qtx, enc_level);
max_pkt_count = ossl_qtx_get_max_epoch_pkt_count(ch->qtx, enc_level);
thresh_pkt_count = max_pkt_count / 2;
if (ch->txku_threshold_override != UINT64_MAX)
thresh_pkt_count = ch->txku_threshold_override;
return cur_pkt_count >= thresh_pkt_count;
}
QUIC_NEEDS_LOCK
static void ch_maybe_trigger_spontaneous_txku(QUIC_CHANNEL *ch)
{
if (!txku_recommendable(ch) || !txku_desirable(ch))
return;
ch->ku_locally_initiated = 1;
ch_trigger_txku(ch);
}
QUIC_NEEDS_LOCK
static int rxku_allowed(QUIC_CHANNEL *ch)
{
return ch->handshake_confirmed && !ch->rxku_pending_confirm;
}
enum rxku_decision {
DECISION_RXKU_ONLY,
DECISION_PROTOCOL_VIOLATION,
DECISION_SOLICITED_TXKU
};
QUIC_NEEDS_LOCK
static void rxku_detected(QUIC_PN pn, void *arg)
{
QUIC_CHANNEL *ch = arg;
enum rxku_decision decision;
OSSL_TIME pto;
assert(!ch->rxku_in_progress);
if (!rxku_allowed(ch))
decision = DECISION_PROTOCOL_VIOLATION;
else if (ch->ku_locally_initiated)
decision = DECISION_RXKU_ONLY;
else
decision = DECISION_SOLICITED_TXKU;
if (decision == DECISION_PROTOCOL_VIOLATION) {
ossl_quic_channel_raise_protocol_error(ch, OSSL_QUIC_ERR_KEY_UPDATE_ERROR,
0, "RX key update again too soon");
return;
}
pto = ossl_ackm_get_pto_duration(ch->ackm);
ch->ku_locally_initiated = 0;
ch->rxku_in_progress = 1;
ch->rxku_pending_confirm = 1;
ch->rxku_trigger_pn = pn;
ch->rxku_update_end_deadline = ossl_time_add(get_time(ch), pto);
ch->rxku_expected = 0;
if (decision == DECISION_SOLICITED_TXKU)
ch_trigger_txku(ch);
ossl_quic_tx_packetiser_schedule_ack(ch->txp, QUIC_PN_SPACE_APP);
}
QUIC_NEEDS_LOCK
static void ch_rxku_tick(QUIC_CHANNEL *ch)
{
if (!ch->rxku_in_progress
|| ossl_time_compare(get_time(ch), ch->rxku_update_end_deadline) < 0)
return;
ch->rxku_update_end_deadline = ossl_time_infinite();
ch->rxku_in_progress = 0;
if (!ossl_qrx_key_update_timeout(ch->qrx, 1))
ossl_quic_channel_raise_protocol_error(ch, OSSL_QUIC_ERR_INTERNAL_ERROR, 0,
"RXKU cooldown internal error");
}
QUIC_NEEDS_LOCK
static void ch_on_txp_ack_tx(const OSSL_QUIC_FRAME_ACK *ack, uint32_t pn_space,
void *arg)
{
QUIC_CHANNEL *ch = arg;
if (pn_space != QUIC_PN_SPACE_APP || !ch->rxku_pending_confirm
|| !ossl_quic_frame_ack_contains_pn(ack, ch->rxku_trigger_pn))
return;
ch->rxku_pending_confirm_done = 1;
}
static int ch_on_crypto_send(const unsigned char *buf, size_t buf_len,
size_t *consumed, void *arg)
{
int ret;
QUIC_CHANNEL *ch = arg;
uint32_t enc_level = ch->tx_enc_level;
uint32_t pn_space = ossl_quic_enc_level_to_pn_space(enc_level);
QUIC_SSTREAM *sstream = ch->crypto_send[pn_space];
if (!ossl_assert(sstream != NULL))
return 0;
ret = ossl_quic_sstream_append(sstream, buf, buf_len, consumed);
return ret;
}
static int crypto_ensure_empty(QUIC_RSTREAM *rstream)
{
size_t avail = 0;
int is_fin = 0;
if (rstream == NULL)
return 1;
if (!ossl_quic_rstream_available(rstream, &avail, &is_fin))
return 0;
return avail == 0;
}
static int ch_on_crypto_recv_record(const unsigned char **buf,
size_t *bytes_read, void *arg)
{
QUIC_CHANNEL *ch = arg;
QUIC_RSTREAM *rstream;
int is_fin = 0;
uint32_t i;
for (i = QUIC_ENC_LEVEL_INITIAL; i < ch->rx_enc_level; ++i)
if (i != QUIC_ENC_LEVEL_0RTT &&
!crypto_ensure_empty(ch->crypto_recv[ossl_quic_enc_level_to_pn_space(i)])) {
ossl_quic_channel_raise_protocol_error(ch, OSSL_QUIC_ERR_PROTOCOL_VIOLATION,
OSSL_QUIC_FRAME_TYPE_CRYPTO,
"crypto stream data in wrong EL");
return 0;
}
rstream = ch->crypto_recv[ossl_quic_enc_level_to_pn_space(ch->rx_enc_level)];
if (rstream == NULL)
return 0;
return ossl_quic_rstream_get_record(rstream, buf, bytes_read,
&is_fin);
}
static int ch_on_crypto_release_record(size_t bytes_read, void *arg)
{
QUIC_CHANNEL *ch = arg;
QUIC_RSTREAM *rstream;
OSSL_RTT_INFO rtt_info;
uint32_t rx_pn_space = ossl_quic_enc_level_to_pn_space(ch->rx_enc_level);
rstream = ch->crypto_recv[rx_pn_space];
if (rstream == NULL)
return 0;
ossl_statm_get_rtt_info(ossl_quic_channel_get_statm(ch), &rtt_info);
if (!ossl_quic_rxfc_on_retire(&ch->crypto_rxfc[rx_pn_space], bytes_read,
rtt_info.smoothed_rtt))
return 0;
return ossl_quic_rstream_release_record(rstream, bytes_read);
}
static int ch_on_handshake_yield_secret(uint32_t enc_level, int direction,
uint32_t suite_id, EVP_MD *md,
const unsigned char *secret,
size_t secret_len,
void *arg)
{
QUIC_CHANNEL *ch = arg;
uint32_t i;
if (enc_level < QUIC_ENC_LEVEL_HANDSHAKE || enc_level >= QUIC_ENC_LEVEL_NUM)
return 0;
if (direction) {
if (enc_level <= ch->tx_enc_level)
return 0;
if (!ossl_qtx_provide_secret(ch->qtx, enc_level,
suite_id, md,
secret, secret_len))
return 0;
ch->tx_enc_level = enc_level;
} else {
if (enc_level <= ch->rx_enc_level)
return 0;
for (i = QUIC_ENC_LEVEL_INITIAL; i < enc_level; ++i)
if (!crypto_ensure_empty(ch->crypto_recv[ossl_quic_enc_level_to_pn_space(i)])) {
ossl_quic_channel_raise_protocol_error(ch, OSSL_QUIC_ERR_PROTOCOL_VIOLATION,
OSSL_QUIC_FRAME_TYPE_CRYPTO,
"crypto stream data in wrong EL");
return 0;
}
if (!ossl_qrx_provide_secret(ch->qrx, enc_level,
suite_id, md,
secret, secret_len))
return 0;
ch->have_new_rx_secret = 1;
ch->rx_enc_level = enc_level;
}
return 1;
}
static int ch_on_handshake_complete(void *arg)
{
QUIC_CHANNEL *ch = arg;
if (!ossl_assert(!ch->handshake_complete))
return 0;
if (!ossl_assert(ch->tx_enc_level == QUIC_ENC_LEVEL_1RTT))
return 0;
if (!ch->got_remote_transport_params) {
ossl_quic_channel_raise_protocol_error(ch, OSSL_QUIC_ERR_CRYPTO_MISSING_EXT,
OSSL_QUIC_FRAME_TYPE_CRYPTO,
"no transport parameters received");
return 0;
}
OPENSSL_free(ch->local_transport_params);
ch->local_transport_params = NULL;
ossl_qrx_allow_1rtt_processing(ch->qrx);
ossl_quic_tx_packetiser_notify_handshake_complete(ch->txp);
ch->handshake_complete = 1;
if (ch->is_server) {
ossl_quic_channel_on_handshake_confirmed(ch);
ossl_quic_tx_packetiser_schedule_handshake_done(ch->txp);
}
ch_record_state_transition(ch, ch->state);
return 1;
}
static int ch_on_handshake_alert(void *arg, unsigned char alert_code)
{
QUIC_CHANNEL *ch = arg;
if (alert_code == SSL_AD_UNEXPECTED_MESSAGE
&& ch->handshake_complete
&& ossl_quic_tls_is_cert_request(ch->qtls))
ossl_quic_channel_raise_protocol_error(ch,
OSSL_QUIC_ERR_PROTOCOL_VIOLATION,
0,
"Post-handshake TLS "
"CertificateRequest received");
else if (alert_code == SSL_AD_ILLEGAL_PARAMETER
&& ch->handshake_complete
&& ossl_quic_tls_has_bad_max_early_data(ch->qtls))
ossl_quic_channel_raise_protocol_error(ch,
OSSL_QUIC_ERR_PROTOCOL_VIOLATION,
0,
"Bad max_early_data received");
else
ossl_quic_channel_raise_protocol_error(ch,
OSSL_QUIC_ERR_CRYPTO_ERR_BEGIN
+ alert_code,
0, "handshake alert");
return 1;
}
#define TP_REASON_SERVER_ONLY(x) \
x " may not be sent by a client"
#define TP_REASON_DUP(x) \
x " appears multiple times"
#define TP_REASON_MALFORMED(x) \
x " is malformed"
#define TP_REASON_EXPECTED_VALUE(x) \
x " does not match expected value"
#define TP_REASON_NOT_RETRY(x) \
x " sent when not performing a retry"
#define TP_REASON_REQUIRED(x) \
x " was not sent but is required"
#define TP_REASON_INTERNAL_ERROR(x) \
x " encountered internal error"
static void txfc_bump_cwm_bidi(QUIC_STREAM *s, void *arg)
{
if (!ossl_quic_stream_is_bidi(s)
|| ossl_quic_stream_is_server_init(s))
return;
ossl_quic_txfc_bump_cwm(&s->txfc, *(uint64_t *)arg);
}
static void txfc_bump_cwm_uni(QUIC_STREAM *s, void *arg)
{
if (ossl_quic_stream_is_bidi(s)
|| ossl_quic_stream_is_server_init(s))
return;
ossl_quic_txfc_bump_cwm(&s->txfc, *(uint64_t *)arg);
}
static void do_update(QUIC_STREAM *s, void *arg)
{
QUIC_CHANNEL *ch = arg;
ossl_quic_stream_map_update_state(&ch->qsm, s);
}
static uint64_t min_u64_ignore_0(uint64_t a, uint64_t b)
{
if (a == 0)
return b;
if (b == 0)
return a;
return a < b ? a : b;
}
static int ch_on_transport_params(const unsigned char *params,
size_t params_len,
void *arg)
{
QUIC_CHANNEL *ch = arg;
PACKET pkt;
uint64_t id, v;
size_t len;
const unsigned char *body;
int got_orig_dcid = 0;
int got_initial_scid = 0;
int got_retry_scid = 0;
int got_initial_max_data = 0;
int got_initial_max_stream_data_bidi_local = 0;
int got_initial_max_stream_data_bidi_remote = 0;
int got_initial_max_stream_data_uni = 0;
int got_initial_max_streams_bidi = 0;
int got_initial_max_streams_uni = 0;
int got_stateless_reset_token = 0;
int got_preferred_addr = 0;
int got_ack_delay_exp = 0;
int got_max_ack_delay = 0;
int got_max_udp_payload_size = 0;
int got_max_idle_timeout = 0;
int got_active_conn_id_limit = 0;
int got_disable_active_migration = 0;
QUIC_CONN_ID cid;
const char *reason = "bad transport parameter";
ossl_unused uint64_t rx_max_idle_timeout = 0;
ossl_unused const void *stateless_reset_token_p = NULL;
QUIC_PREFERRED_ADDR pfa;
if (ch->got_remote_transport_params) {
reason = "multiple transport parameter extensions";
goto malformed;
}
if (!PACKET_buf_init(&pkt, params, params_len)) {
ossl_quic_channel_raise_protocol_error(ch, OSSL_QUIC_ERR_INTERNAL_ERROR, 0,
"internal error (packet buf init)");
return 0;
}
while (PACKET_remaining(&pkt) > 0) {
if (!ossl_quic_wire_peek_transport_param(&pkt, &id))
goto malformed;
switch (id) {
case QUIC_TPARAM_ORIG_DCID:
if (got_orig_dcid) {
reason = TP_REASON_DUP("ORIG_DCID");
goto malformed;
}
if (ch->is_server) {
reason = TP_REASON_SERVER_ONLY("ORIG_DCID");
goto malformed;
}
if (!ossl_quic_wire_decode_transport_param_cid(&pkt, NULL, &cid)) {
reason = TP_REASON_MALFORMED("ORIG_DCID");
goto malformed;
}
#ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
if (!ossl_quic_conn_id_eq(&ch->init_dcid, &cid)) {
reason = TP_REASON_EXPECTED_VALUE("ORIG_DCID");
goto malformed;
}
#endif
got_orig_dcid = 1;
break;
case QUIC_TPARAM_RETRY_SCID:
if (ch->is_server) {
reason = TP_REASON_SERVER_ONLY("RETRY_SCID");
goto malformed;
}
if (got_retry_scid) {
reason = TP_REASON_DUP("RETRY_SCID");
goto malformed;
}
if (!ch->doing_retry) {
reason = TP_REASON_NOT_RETRY("RETRY_SCID");
goto malformed;
}
if (!ossl_quic_wire_decode_transport_param_cid(&pkt, NULL, &cid)) {
reason = TP_REASON_MALFORMED("RETRY_SCID");
goto malformed;
}
if (!ossl_quic_conn_id_eq(&ch->retry_scid, &cid)) {
reason = TP_REASON_EXPECTED_VALUE("RETRY_SCID");
goto malformed;
}
got_retry_scid = 1;
break;
case QUIC_TPARAM_INITIAL_SCID:
if (got_initial_scid) {
reason = TP_REASON_DUP("INITIAL_SCID");
goto malformed;
}
if (!ossl_quic_wire_decode_transport_param_cid(&pkt, NULL, &cid)) {
reason = TP_REASON_MALFORMED("INITIAL_SCID");
goto malformed;
}
if (!ossl_quic_conn_id_eq(&ch->init_scid, &cid)) {
reason = TP_REASON_EXPECTED_VALUE("INITIAL_SCID");
goto malformed;
}
got_initial_scid = 1;
break;
case QUIC_TPARAM_INITIAL_MAX_DATA:
if (got_initial_max_data) {
reason = TP_REASON_DUP("INITIAL_MAX_DATA");
goto malformed;
}
if (!ossl_quic_wire_decode_transport_param_int(&pkt, &id, &v)) {
reason = TP_REASON_MALFORMED("INITIAL_MAX_DATA");
goto malformed;
}
ossl_quic_txfc_bump_cwm(&ch->conn_txfc, v);
got_initial_max_data = 1;
break;
case QUIC_TPARAM_INITIAL_MAX_STREAM_DATA_BIDI_LOCAL:
if (got_initial_max_stream_data_bidi_local) {
reason = TP_REASON_DUP("INITIAL_MAX_STREAM_DATA_BIDI_LOCAL");
goto malformed;
}
if (!ossl_quic_wire_decode_transport_param_int(&pkt, &id, &v)) {
reason = TP_REASON_MALFORMED("INITIAL_MAX_STREAM_DATA_BIDI_LOCAL");
goto malformed;
}
ch->rx_init_max_stream_data_bidi_remote = v;
got_initial_max_stream_data_bidi_local = 1;
break;
case QUIC_TPARAM_INITIAL_MAX_STREAM_DATA_BIDI_REMOTE:
if (got_initial_max_stream_data_bidi_remote) {
reason = TP_REASON_DUP("INITIAL_MAX_STREAM_DATA_BIDI_REMOTE");
goto malformed;
}
if (!ossl_quic_wire_decode_transport_param_int(&pkt, &id, &v)) {
reason = TP_REASON_MALFORMED("INITIAL_MAX_STREAM_DATA_BIDI_REMOTE");
goto malformed;
}
ch->rx_init_max_stream_data_bidi_local = v;
ossl_quic_stream_map_visit(&ch->qsm, txfc_bump_cwm_bidi, &v);
got_initial_max_stream_data_bidi_remote = 1;
break;
case QUIC_TPARAM_INITIAL_MAX_STREAM_DATA_UNI:
if (got_initial_max_stream_data_uni) {
reason = TP_REASON_DUP("INITIAL_MAX_STREAM_DATA_UNI");
goto malformed;
}
if (!ossl_quic_wire_decode_transport_param_int(&pkt, &id, &v)) {
reason = TP_REASON_MALFORMED("INITIAL_MAX_STREAM_DATA_UNI");
goto malformed;
}
ch->rx_init_max_stream_data_uni = v;
ossl_quic_stream_map_visit(&ch->qsm, txfc_bump_cwm_uni, &v);
got_initial_max_stream_data_uni = 1;
break;
case QUIC_TPARAM_ACK_DELAY_EXP:
if (got_ack_delay_exp) {
reason = TP_REASON_DUP("ACK_DELAY_EXP");
goto malformed;
}
if (!ossl_quic_wire_decode_transport_param_int(&pkt, &id, &v)
|| v > QUIC_MAX_ACK_DELAY_EXP) {
reason = TP_REASON_MALFORMED("ACK_DELAY_EXP");
goto malformed;
}
ch->rx_ack_delay_exp = (unsigned char)v;
got_ack_delay_exp = 1;
break;
case QUIC_TPARAM_MAX_ACK_DELAY:
if (got_max_ack_delay) {
reason = TP_REASON_DUP("MAX_ACK_DELAY");
goto malformed;
}
if (!ossl_quic_wire_decode_transport_param_int(&pkt, &id, &v)
|| v >= (((uint64_t)1) << 14)) {
reason = TP_REASON_MALFORMED("MAX_ACK_DELAY");
goto malformed;
}
ch->rx_max_ack_delay = v;
ossl_ackm_set_rx_max_ack_delay(ch->ackm,
ossl_ms2time(ch->rx_max_ack_delay));
got_max_ack_delay = 1;
break;
case QUIC_TPARAM_INITIAL_MAX_STREAMS_BIDI:
if (got_initial_max_streams_bidi) {
reason = TP_REASON_DUP("INITIAL_MAX_STREAMS_BIDI");
goto malformed;
}
if (!ossl_quic_wire_decode_transport_param_int(&pkt, &id, &v)
|| v > (((uint64_t)1) << 60)) {
reason = TP_REASON_MALFORMED("INITIAL_MAX_STREAMS_BIDI");
goto malformed;
}
assert(ch->max_local_streams_bidi == 0);
ch->max_local_streams_bidi = v;
got_initial_max_streams_bidi = 1;
break;
case QUIC_TPARAM_INITIAL_MAX_STREAMS_UNI:
if (got_initial_max_streams_uni) {
reason = TP_REASON_DUP("INITIAL_MAX_STREAMS_UNI");
goto malformed;
}
if (!ossl_quic_wire_decode_transport_param_int(&pkt, &id, &v)
|| v > (((uint64_t)1) << 60)) {
reason = TP_REASON_MALFORMED("INITIAL_MAX_STREAMS_UNI");
goto malformed;
}
assert(ch->max_local_streams_uni == 0);
ch->max_local_streams_uni = v;
got_initial_max_streams_uni = 1;
break;
case QUIC_TPARAM_MAX_IDLE_TIMEOUT:
if (got_max_idle_timeout) {
reason = TP_REASON_DUP("MAX_IDLE_TIMEOUT");
goto malformed;
}
if (!ossl_quic_wire_decode_transport_param_int(&pkt, &id, &v)) {
reason = TP_REASON_MALFORMED("MAX_IDLE_TIMEOUT");
goto malformed;
}
ch->max_idle_timeout_remote_req = v;
ch->max_idle_timeout = min_u64_ignore_0(ch->max_idle_timeout_local_req,
ch->max_idle_timeout_remote_req);
ch_update_idle(ch);
got_max_idle_timeout = 1;
rx_max_idle_timeout = v;
break;
case QUIC_TPARAM_MAX_UDP_PAYLOAD_SIZE:
if (got_max_udp_payload_size) {
reason = TP_REASON_DUP("MAX_UDP_PAYLOAD_SIZE");
goto malformed;
}
if (!ossl_quic_wire_decode_transport_param_int(&pkt, &id, &v)
|| v < QUIC_MIN_INITIAL_DGRAM_LEN) {
reason = TP_REASON_MALFORMED("MAX_UDP_PAYLOAD_SIZE");
goto malformed;
}
ch->rx_max_udp_payload_size = v;
got_max_udp_payload_size = 1;
break;
case QUIC_TPARAM_ACTIVE_CONN_ID_LIMIT:
if (got_active_conn_id_limit) {
reason = TP_REASON_DUP("ACTIVE_CONN_ID_LIMIT");
goto malformed;
}
if (!ossl_quic_wire_decode_transport_param_int(&pkt, &id, &v)
|| v < QUIC_MIN_ACTIVE_CONN_ID_LIMIT) {
reason = TP_REASON_MALFORMED("ACTIVE_CONN_ID_LIMIT");
goto malformed;
}
ch->rx_active_conn_id_limit = v;
got_active_conn_id_limit = 1;
break;
case QUIC_TPARAM_STATELESS_RESET_TOKEN:
if (got_stateless_reset_token) {
reason = TP_REASON_DUP("STATELESS_RESET_TOKEN");
goto malformed;
}
if (ch->is_server) {
reason = TP_REASON_SERVER_ONLY("STATELESS_RESET_TOKEN");
goto malformed;
}
body = ossl_quic_wire_decode_transport_param_bytes(&pkt, &id, &len);
if (body == NULL || len != QUIC_STATELESS_RESET_TOKEN_LEN) {
reason = TP_REASON_MALFORMED("STATELESS_RESET_TOKEN");
goto malformed;
}
if (!ossl_quic_srtm_add(ch->srtm, ch, ch->cur_remote_seq_num,
(const QUIC_STATELESS_RESET_TOKEN *)body)) {
reason = TP_REASON_INTERNAL_ERROR("STATELESS_RESET_TOKEN");
goto malformed;
}
stateless_reset_token_p = body;
got_stateless_reset_token = 1;
break;
case QUIC_TPARAM_PREFERRED_ADDR:
if (got_preferred_addr) {
reason = TP_REASON_DUP("PREFERRED_ADDR");
goto malformed;
}
if (ch->is_server) {
reason = TP_REASON_SERVER_ONLY("PREFERRED_ADDR");
goto malformed;
}
if (ch->cur_remote_dcid.id_len == 0) {
reason = "PREFERRED_ADDR provided for zero-length CID";
goto malformed;
}
if (!ossl_quic_wire_decode_transport_param_preferred_addr(&pkt, &pfa)) {
reason = TP_REASON_MALFORMED("PREFERRED_ADDR");
goto malformed;
}
if (pfa.cid.id_len == 0) {
reason = "zero-length CID in PREFERRED_ADDR";
goto malformed;
}
got_preferred_addr = 1;
break;
case QUIC_TPARAM_DISABLE_ACTIVE_MIGRATION:
if (got_disable_active_migration) {
reason = TP_REASON_DUP("DISABLE_ACTIVE_MIGRATION");
goto malformed;
}
body = ossl_quic_wire_decode_transport_param_bytes(&pkt, &id, &len);
if (body == NULL || len > 0) {
reason = TP_REASON_MALFORMED("DISABLE_ACTIVE_MIGRATION");
goto malformed;
}
got_disable_active_migration = 1;
break;
default:
body = ossl_quic_wire_decode_transport_param_bytes(&pkt, &id,
&len);
if (body == NULL)
goto malformed;
break;
}
}
if (!got_initial_scid) {
reason = TP_REASON_REQUIRED("INITIAL_SCID");
goto malformed;
}
if (!ch->is_server) {
if (!got_orig_dcid) {
reason = TP_REASON_REQUIRED("ORIG_DCID");
goto malformed;
}
if (ch->doing_retry && !got_retry_scid) {
reason = TP_REASON_REQUIRED("RETRY_SCID");
goto malformed;
}
}
ch->got_remote_transport_params = 1;
#ifndef OPENSSL_NO_QLOG
QLOG_EVENT_BEGIN(ch_get_qlog(ch), transport, parameters_set)
QLOG_STR("owner", "remote");
if (got_orig_dcid)
QLOG_CID("original_destination_connection_id",
&ch->init_dcid);
if (got_initial_scid)
QLOG_CID("original_source_connection_id",
&ch->init_dcid);
if (got_retry_scid)
QLOG_CID("retry_source_connection_id",
&ch->retry_scid);
if (got_initial_max_data)
QLOG_U64("initial_max_data",
ossl_quic_txfc_get_cwm(&ch->conn_txfc));
if (got_initial_max_stream_data_bidi_local)
QLOG_U64("initial_max_stream_data_bidi_local",
ch->rx_init_max_stream_data_bidi_local);
if (got_initial_max_stream_data_bidi_remote)
QLOG_U64("initial_max_stream_data_bidi_remote",
ch->rx_init_max_stream_data_bidi_remote);
if (got_initial_max_stream_data_uni)
QLOG_U64("initial_max_stream_data_uni",
ch->rx_init_max_stream_data_uni);
if (got_initial_max_streams_bidi)
QLOG_U64("initial_max_streams_bidi",
ch->max_local_streams_bidi);
if (got_initial_max_streams_uni)
QLOG_U64("initial_max_streams_uni",
ch->max_local_streams_uni);
if (got_ack_delay_exp)
QLOG_U64("ack_delay_exponent", ch->rx_ack_delay_exp);
if (got_max_ack_delay)
QLOG_U64("max_ack_delay", ch->rx_max_ack_delay);
if (got_max_udp_payload_size)
QLOG_U64("max_udp_payload_size", ch->rx_max_udp_payload_size);
if (got_max_idle_timeout)
QLOG_U64("max_idle_timeout", rx_max_idle_timeout);
if (got_active_conn_id_limit)
QLOG_U64("active_connection_id_limit", ch->rx_active_conn_id_limit);
if (got_stateless_reset_token)
QLOG_BIN("stateless_reset_token", stateless_reset_token_p,
QUIC_STATELESS_RESET_TOKEN_LEN);
if (got_preferred_addr) {
QLOG_BEGIN("preferred_addr")
QLOG_U64("port_v4", pfa.ipv4_port);
QLOG_U64("port_v6", pfa.ipv6_port);
QLOG_BIN("ip_v4", pfa.ipv4, sizeof(pfa.ipv4));
QLOG_BIN("ip_v6", pfa.ipv6, sizeof(pfa.ipv6));
QLOG_BIN("stateless_reset_token", pfa.stateless_reset.token,
sizeof(pfa.stateless_reset.token));
QLOG_CID("connection_id", &pfa.cid);
QLOG_END()
}
QLOG_BOOL("disable_active_migration", got_disable_active_migration);
QLOG_EVENT_END()
#endif
if (got_initial_max_data || got_initial_max_stream_data_bidi_remote
|| got_initial_max_streams_bidi || got_initial_max_streams_uni)
ossl_quic_stream_map_visit(&ch->qsm, do_update, ch);
if (ch->is_server && !ch_generate_transport_params(ch)) {
ossl_quic_channel_raise_protocol_error(ch, OSSL_QUIC_ERR_INTERNAL_ERROR, 0,
"internal error");
return 0;
}
return 1;
malformed:
ossl_quic_channel_raise_protocol_error(ch, OSSL_QUIC_ERR_TRANSPORT_PARAMETER_ERROR,
0, reason);
return 0;
}
static int ch_generate_transport_params(QUIC_CHANNEL *ch)
{
int ok = 0;
BUF_MEM *buf_mem = NULL;
WPACKET wpkt;
int wpkt_valid = 0;
size_t buf_len = 0;
if (ch->local_transport_params != NULL || ch->got_local_transport_params)
goto err;
if ((buf_mem = BUF_MEM_new()) == NULL)
goto err;
if (!WPACKET_init(&wpkt, buf_mem))
goto err;
wpkt_valid = 1;
if (ossl_quic_wire_encode_transport_param_bytes(&wpkt, QUIC_TPARAM_DISABLE_ACTIVE_MIGRATION,
NULL, 0) == NULL)
goto err;
if (ch->is_server) {
if (!ossl_quic_wire_encode_transport_param_cid(&wpkt, QUIC_TPARAM_ORIG_DCID,
&ch->init_dcid))
goto err;
if (!ossl_quic_wire_encode_transport_param_cid(&wpkt, QUIC_TPARAM_INITIAL_SCID,
&ch->cur_local_cid))
goto err;
} else {
if (ossl_quic_wire_encode_transport_param_bytes(&wpkt, QUIC_TPARAM_INITIAL_SCID,
NULL, 0) == NULL)
goto err;
}
if (!ossl_quic_wire_encode_transport_param_int(&wpkt, QUIC_TPARAM_MAX_IDLE_TIMEOUT,
ch->max_idle_timeout_local_req))
goto err;
if (!ossl_quic_wire_encode_transport_param_int(&wpkt, QUIC_TPARAM_MAX_UDP_PAYLOAD_SIZE,
QUIC_MIN_INITIAL_DGRAM_LEN))
goto err;
if (!ossl_quic_wire_encode_transport_param_int(&wpkt, QUIC_TPARAM_ACTIVE_CONN_ID_LIMIT,
QUIC_MIN_ACTIVE_CONN_ID_LIMIT))
goto err;
if (ch->tx_max_ack_delay != QUIC_DEFAULT_MAX_ACK_DELAY
&& !ossl_quic_wire_encode_transport_param_int(&wpkt, QUIC_TPARAM_MAX_ACK_DELAY,
ch->tx_max_ack_delay))
goto err;
if (!ossl_quic_wire_encode_transport_param_int(&wpkt, QUIC_TPARAM_INITIAL_MAX_DATA,
ossl_quic_rxfc_get_cwm(&ch->conn_rxfc)))
goto err;
if (!ossl_quic_wire_encode_transport_param_int(&wpkt, QUIC_TPARAM_INITIAL_MAX_STREAM_DATA_BIDI_LOCAL,
ch->tx_init_max_stream_data_bidi_local))
goto err;
if (!ossl_quic_wire_encode_transport_param_int(&wpkt, QUIC_TPARAM_INITIAL_MAX_STREAM_DATA_BIDI_REMOTE,
ch->tx_init_max_stream_data_bidi_remote))
goto err;
if (!ossl_quic_wire_encode_transport_param_int(&wpkt, QUIC_TPARAM_INITIAL_MAX_STREAM_DATA_UNI,
ch->tx_init_max_stream_data_uni))
goto err;
if (!ossl_quic_wire_encode_transport_param_int(&wpkt, QUIC_TPARAM_INITIAL_MAX_STREAMS_BIDI,
ossl_quic_rxfc_get_cwm(&ch->max_streams_bidi_rxfc)))
goto err;
if (!ossl_quic_wire_encode_transport_param_int(&wpkt, QUIC_TPARAM_INITIAL_MAX_STREAMS_UNI,
ossl_quic_rxfc_get_cwm(&ch->max_streams_uni_rxfc)))
goto err;
if (!WPACKET_finish(&wpkt))
goto err;
wpkt_valid = 0;
if (!WPACKET_get_total_written(&wpkt, &buf_len))
goto err;
ch->local_transport_params = (unsigned char *)buf_mem->data;
buf_mem->data = NULL;
if (!ossl_quic_tls_set_transport_params(ch->qtls, ch->local_transport_params,
buf_len))
goto err;
#ifndef OPENSSL_NO_QLOG
QLOG_EVENT_BEGIN(ch_get_qlog(ch), transport, parameters_set)
QLOG_STR("owner", "local");
QLOG_BOOL("disable_active_migration", 1);
if (ch->is_server) {
QLOG_CID("original_destination_connection_id", &ch->init_dcid);
QLOG_CID("initial_source_connection_id", &ch->cur_local_cid);
} else {
QLOG_STR("initial_source_connection_id", "");
}
QLOG_U64("max_idle_timeout", ch->max_idle_timeout);
QLOG_U64("max_udp_payload_size", QUIC_MIN_INITIAL_DGRAM_LEN);
QLOG_U64("active_connection_id_limit", QUIC_MIN_ACTIVE_CONN_ID_LIMIT);
QLOG_U64("max_ack_delay", ch->tx_max_ack_delay);
QLOG_U64("initial_max_data", ossl_quic_rxfc_get_cwm(&ch->conn_rxfc));
QLOG_U64("initial_max_stream_data_bidi_local",
ch->tx_init_max_stream_data_bidi_local);
QLOG_U64("initial_max_stream_data_bidi_remote",
ch->tx_init_max_stream_data_bidi_remote);
QLOG_U64("initial_max_stream_data_uni",
ch->tx_init_max_stream_data_uni);
QLOG_U64("initial_max_streams_bidi",
ossl_quic_rxfc_get_cwm(&ch->max_streams_bidi_rxfc));
QLOG_U64("initial_max_streams_uni",
ossl_quic_rxfc_get_cwm(&ch->max_streams_uni_rxfc));
QLOG_EVENT_END()
#endif
ch->got_local_transport_params = 1;
ok = 1;
err:
if (wpkt_valid)
WPACKET_cleanup(&wpkt);
BUF_MEM_free(buf_mem);
return ok;
}
void ossl_quic_channel_subtick(QUIC_CHANNEL *ch, QUIC_TICK_RESULT *res,
uint32_t flags)
{
OSSL_TIME now, deadline;
int channel_only = (flags & QUIC_REACTOR_TICK_FLAG_CHANNEL_ONLY) != 0;
if (ossl_quic_channel_is_terminated(ch)) {
res->net_read_desired = 0;
res->net_write_desired = 0;
res->tick_deadline = ossl_time_infinite();
return;
}
if (ossl_quic_channel_is_terminating(ch)) {
now = get_time(ch);
if (ossl_time_compare(now, ch->terminate_deadline) >= 0) {
ch_on_terminating_timeout(ch);
res->net_read_desired = 0;
res->net_write_desired = 0;
res->tick_deadline = ossl_time_infinite();
return;
}
}
if (!ch->port->engine->inhibit_tick) {
ch_rxku_tick(ch);
do {
ch->did_tls_tick = 0;
ch->have_new_rx_secret = 0;
ch_rx(ch, channel_only);
if (!ch->did_tls_tick)
ch_tick_tls(ch, channel_only);
} while (ch->have_new_rx_secret);
}
now = get_time(ch);
if (ossl_time_compare(now, ch->idle_deadline) >= 0) {
if (!ch->port->engine->inhibit_tick)
ch_on_idle_timeout(ch);
res->net_read_desired = 0;
res->net_write_desired = 0;
res->tick_deadline = ossl_time_infinite();
return;
}
if (!ch->port->engine->inhibit_tick) {
deadline = ossl_ackm_get_loss_detection_deadline(ch->ackm);
if (!ossl_time_is_zero(deadline)
&& ossl_time_compare(now, deadline) >= 0)
ossl_ackm_on_timeout(ch->ackm);
if (ossl_time_compare(now, ch->ping_deadline) >= 0) {
int pn_space = ossl_quic_enc_level_to_pn_space(ch->tx_enc_level);
ossl_quic_tx_packetiser_schedule_ack_eliciting(ch->txp, pn_space);
ch_update_ping_deadline(ch);
}
ch_tx(ch);
ossl_quic_stream_map_gc(&ch->qsm);
}
res->tick_deadline = ch_determine_next_tick_deadline(ch);
res->net_read_desired = !ossl_quic_channel_is_terminated(ch);
res->net_write_desired
= (!ossl_quic_channel_is_terminated(ch)
&& ossl_qtx_get_queue_len_datagrams(ch->qtx) > 0);
}
static int ch_tick_tls(QUIC_CHANNEL *ch, int channel_only)
{
uint64_t error_code;
const char *error_msg;
ERR_STATE *error_state = NULL;
if (channel_only)
return 1;
ch->did_tls_tick = 1;
ossl_quic_tls_tick(ch->qtls);
if (ossl_quic_tls_get_error(ch->qtls, &error_code, &error_msg,
&error_state)) {
ossl_quic_channel_raise_protocol_error_state(ch, error_code, 0,
error_msg, error_state);
return 0;
}
return 1;
}
static void ch_rx_check_forged_pkt_limit(QUIC_CHANNEL *ch)
{
uint32_t enc_level;
uint64_t limit = UINT64_MAX, l;
for (enc_level = QUIC_ENC_LEVEL_INITIAL;
enc_level < QUIC_ENC_LEVEL_NUM;
++enc_level)
{
if ((ch->el_discarded & (1U << enc_level)) != 0)
continue;
if (enc_level > ch->rx_enc_level)
break;
l = ossl_qrx_get_max_forged_pkt_count(ch->qrx, enc_level);
if (l < limit)
limit = l;
}
if (ossl_qrx_get_cur_forged_pkt_count(ch->qrx) < limit)
return;
ossl_quic_channel_raise_protocol_error(ch, OSSL_QUIC_ERR_AEAD_LIMIT_REACHED, 0,
"forgery limit");
}
static int ch_rx(QUIC_CHANNEL *ch, int channel_only)
{
int handled_any = 0;
const int closing = ossl_quic_channel_is_closing(ch);
if (!ch->is_server && !ch->have_sent_any_pkt)
return 1;
for (;;) {
assert(ch->qrx_pkt == NULL);
if (!ossl_qrx_read_pkt(ch->qrx, &ch->qrx_pkt))
break;
if (closing)
ossl_quic_tx_packetiser_record_received_closing_bytes(
ch->txp, ch->qrx_pkt->hdr->len);
if (!handled_any) {
ch_update_idle(ch);
ch_update_ping_deadline(ch);
}
ch_rx_handle_packet(ch, channel_only);
ossl_qrx_pkt_release(ch->qrx_pkt);
ch->qrx_pkt = NULL;
ch->have_sent_ack_eliciting_since_rx = 0;
handled_any = 1;
}
ch_rx_check_forged_pkt_limit(ch);
if (handled_any && closing)
ch->conn_close_queued = 1;
return 1;
}
static int bio_addr_eq(const BIO_ADDR *a, const BIO_ADDR *b)
{
if (BIO_ADDR_family(a) != BIO_ADDR_family(b))
return 0;
switch (BIO_ADDR_family(a)) {
case AF_INET:
return !memcmp(&a->s_in.sin_addr,
&b->s_in.sin_addr,
sizeof(a->s_in.sin_addr))
&& a->s_in.sin_port == b->s_in.sin_port;
#if OPENSSL_USE_IPV6
case AF_INET6:
return !memcmp(&a->s_in6.sin6_addr,
&b->s_in6.sin6_addr,
sizeof(a->s_in6.sin6_addr))
&& a->s_in6.sin6_port == b->s_in6.sin6_port;
#endif
default:
return 0;
}
return 1;
}
static void ch_rx_handle_packet(QUIC_CHANNEL *ch, int channel_only)
{
uint32_t enc_level;
int old_have_processed_any_pkt = ch->have_processed_any_pkt;
OSSL_QTX_IOVEC iovec;
assert(ch->qrx_pkt != NULL);
if (!ossl_quic_channel_is_active(ch))
return;
if (ossl_quic_pkt_type_is_encrypted(ch->qrx_pkt->hdr->type)) {
if (!ch->have_received_enc_pkt) {
ch->cur_remote_dcid = ch->init_scid = ch->qrx_pkt->hdr->src_conn_id;
ch->have_received_enc_pkt = 1;
ossl_quic_tx_packetiser_set_cur_dcid(ch->txp, &ch->init_scid);
}
enc_level = ossl_quic_pkt_type_to_enc_level(ch->qrx_pkt->hdr->type);
if ((ch->el_discarded & (1U << enc_level)) != 0)
return;
}
if (!ch->is_server
&& ch->qrx_pkt->peer != NULL
&& (
BIO_ADDR_family(&ch->cur_peer_addr) == AF_INET
#if OPENSSL_USE_IPV6
|| BIO_ADDR_family(&ch->cur_peer_addr) == AF_INET6
#endif
)
&& !bio_addr_eq(ch->qrx_pkt->peer, &ch->cur_peer_addr))
return;
if (!ch->is_server
&& ch->have_received_enc_pkt
&& ossl_quic_pkt_type_has_scid(ch->qrx_pkt->hdr->type)) {
if (!ossl_quic_conn_id_eq(&ch->qrx_pkt->hdr->src_conn_id,
&ch->init_scid))
return;
}
if (ossl_quic_pkt_type_has_version(ch->qrx_pkt->hdr->type)
&& ch->qrx_pkt->hdr->version != QUIC_VERSION_1)
return;
ch->have_processed_any_pkt = 1;
if (ossl_quic_pkt_type_is_encrypted(ch->qrx_pkt->hdr->type)
&& ch->qrx_pkt->hdr->reserved != 0) {
ossl_quic_channel_raise_protocol_error(ch, OSSL_QUIC_ERR_PROTOCOL_VIOLATION,
0, "packet header reserved bits");
return;
}
iovec.buf = ch->qrx_pkt->hdr->data;
iovec.buf_len = ch->qrx_pkt->hdr->len;
ossl_qlog_event_transport_packet_received(ch_get_qlog(ch), ch->qrx_pkt->hdr,
ch->qrx_pkt->pn, &iovec, 1,
ch->qrx_pkt->datagram_id);
switch (ch->qrx_pkt->hdr->type) {
case QUIC_PKT_TYPE_RETRY:
if (ch->doing_retry || ch->is_server)
return;
if (ch->have_received_enc_pkt)
return;
if (ch->qrx_pkt->hdr->len <= QUIC_RETRY_INTEGRITY_TAG_LEN)
return;
if (!ossl_quic_validate_retry_integrity_tag(ch->port->engine->libctx,
ch->port->engine->propq,
ch->qrx_pkt->hdr,
&ch->init_dcid))
return;
if (!ch_retry(ch, ch->qrx_pkt->hdr->data,
ch->qrx_pkt->hdr->len - QUIC_RETRY_INTEGRITY_TAG_LEN,
&ch->qrx_pkt->hdr->src_conn_id))
ossl_quic_channel_raise_protocol_error(ch, OSSL_QUIC_ERR_INTERNAL_ERROR,
0, "handling retry packet");
break;
case QUIC_PKT_TYPE_0RTT:
if (!ch->is_server)
return;
break;
case QUIC_PKT_TYPE_INITIAL:
case QUIC_PKT_TYPE_HANDSHAKE:
case QUIC_PKT_TYPE_1RTT:
if (ch->is_server && ch->qrx_pkt->hdr->type == QUIC_PKT_TYPE_HANDSHAKE)
ch_discard_el(ch, QUIC_ENC_LEVEL_INITIAL);
if (ch->rxku_in_progress
&& ch->qrx_pkt->hdr->type == QUIC_PKT_TYPE_1RTT
&& ch->qrx_pkt->pn >= ch->rxku_trigger_pn
&& ch->qrx_pkt->key_epoch < ossl_qrx_get_key_epoch(ch->qrx)) {
ossl_quic_channel_raise_protocol_error(ch, OSSL_QUIC_ERR_KEY_UPDATE_ERROR,
0, "new packet with old keys");
break;
}
if (!ch->is_server
&& ch->qrx_pkt->hdr->type == QUIC_PKT_TYPE_INITIAL
&& ch->qrx_pkt->hdr->token_len > 0) {
ossl_quic_channel_raise_protocol_error(ch, OSSL_QUIC_ERR_PROTOCOL_VIOLATION,
0, "client received initial token");
break;
}
ossl_quic_handle_frames(ch, ch->qrx_pkt);
if (ch->did_crypto_frame)
ch_tick_tls(ch, channel_only);
break;
case QUIC_PKT_TYPE_VERSION_NEG:
if (!old_have_processed_any_pkt)
ch_rx_handle_version_neg(ch, ch->qrx_pkt);
break;
default:
assert(0);
break;
}
}
static void ch_rx_handle_version_neg(QUIC_CHANNEL *ch, OSSL_QRX_PKT *pkt)
{
PACKET vpkt;
unsigned long v;
if (!PACKET_buf_init(&vpkt, pkt->hdr->data, pkt->hdr->len))
return;
while (PACKET_remaining(&vpkt) > 0) {
if (!PACKET_get_net_4(&vpkt, &v))
break;
if ((uint32_t)v == QUIC_VERSION_1)
return;
}
ch_raise_version_neg_failure(ch);
}
static void ch_raise_version_neg_failure(QUIC_CHANNEL *ch)
{
QUIC_TERMINATE_CAUSE tcause = {0};
tcause.error_code = OSSL_QUIC_ERR_CONNECTION_REFUSED;
tcause.reason = "version negotiation failure";
tcause.reason_len = strlen(tcause.reason);
ch_start_terminating(ch, &tcause, 1);
}
static int ch_tx(QUIC_CHANNEL *ch)
{
QUIC_TXP_STATUS status;
int res;
if (ossl_quic_channel_is_draining(ch))
return 0;
if (ossl_quic_channel_is_closing(ch)) {
if (!ch->conn_close_queued)
return 0;
ch->conn_close_queued = 0;
}
ch_maybe_trigger_spontaneous_txku(ch);
ch->rxku_pending_confirm_done = 0;
do {
res = ossl_quic_tx_packetiser_generate(ch->txp, &status);
if (status.sent_pkt > 0) {
ch->have_sent_any_pkt = 1;
ch->port->have_sent_any_pkt = 1;
if (status.sent_ack_eliciting
&& !ch->have_sent_ack_eliciting_since_rx) {
ch_update_idle(ch);
ch->have_sent_ack_eliciting_since_rx = 1;
}
if (!ch->is_server && status.sent_handshake)
ch_discard_el(ch, QUIC_ENC_LEVEL_INITIAL);
if (ch->rxku_pending_confirm_done)
ch->rxku_pending_confirm = 0;
ch_update_ping_deadline(ch);
}
if (!res) {
ossl_quic_channel_raise_protocol_error(ch, OSSL_QUIC_ERR_INTERNAL_ERROR,
0,
"internal error (txp generate)");
break;
}
} while (status.sent_pkt > 0);
switch (ossl_qtx_flush_net(ch->qtx)) {
case QTX_FLUSH_NET_RES_OK:
case QTX_FLUSH_NET_RES_TRANSIENT_FAIL:
break;
case QTX_FLUSH_NET_RES_PERMANENT_FAIL:
default:
ossl_quic_port_raise_net_error(ch->port, ch);
break;
}
return 1;
}
static OSSL_TIME ch_determine_next_tick_deadline(QUIC_CHANNEL *ch)
{
OSSL_TIME deadline;
int i;
if (ossl_quic_channel_is_terminated(ch))
return ossl_time_infinite();
deadline = ossl_ackm_get_loss_detection_deadline(ch->ackm);
if (ossl_time_is_zero(deadline))
deadline = ossl_time_infinite();
for (i = 0; i < QUIC_ENC_LEVEL_NUM; i++) {
if (ossl_qtx_is_enc_level_provisioned(ch->qtx, i)) {
deadline = ossl_time_min(deadline,
ossl_ackm_get_ack_deadline(ch->ackm,
ossl_quic_enc_level_to_pn_space(i)));
}
}
if (!ossl_time_is_infinite(ch->ping_deadline))
deadline = ossl_time_min(deadline, ch->ping_deadline);
deadline = ossl_time_min(deadline,
ossl_quic_tx_packetiser_get_deadline(ch->txp));
if (ossl_quic_channel_is_terminating(ch))
deadline = ossl_time_min(deadline,
ch->terminate_deadline);
else if (!ossl_time_is_infinite(ch->idle_deadline))
deadline = ossl_time_min(deadline,
ch->idle_deadline);
if (ch->rxku_in_progress)
deadline = ossl_time_min(deadline, ch->rxku_update_end_deadline);
return deadline;
}
static void ch_record_state_transition(QUIC_CHANNEL *ch, uint32_t new_state)
{
uint32_t old_state = ch->state;
ch->state = new_state;
ossl_qlog_event_connectivity_connection_state_updated(ch_get_qlog(ch),
old_state,
new_state,
ch->handshake_complete,
ch->handshake_confirmed);
}
int ossl_quic_channel_start(QUIC_CHANNEL *ch)
{
if (ch->is_server)
return 0;
if (ch->state != QUIC_CHANNEL_STATE_IDLE)
return 1;
if (!ossl_quic_tx_packetiser_set_peer(ch->txp, &ch->cur_peer_addr))
return 0;
if (!ossl_quic_provide_initial_secret(ch->port->engine->libctx,
ch->port->engine->propq,
&ch->init_dcid,
ch->is_server,
ch->qrx, ch->qtx))
return 0;
if (!ch->is_server && !ch->got_local_transport_params
&& !ch_generate_transport_params(ch))
return 0;
ch_record_state_transition(ch, QUIC_CHANNEL_STATE_ACTIVE);
ch->doing_proactive_ver_neg = 0;
ossl_qlog_event_connectivity_connection_started(ch_get_qlog(ch),
&ch->init_dcid);
if (!ch_tick_tls(ch, 0))
return 0;
ossl_quic_reactor_tick(ossl_quic_port_get0_reactor(ch->port), 0);
return 1;
}
void ossl_quic_channel_local_close(QUIC_CHANNEL *ch, uint64_t app_error_code,
const char *app_reason)
{
QUIC_TERMINATE_CAUSE tcause = {0};
if (ossl_quic_channel_is_term_any(ch))
return;
tcause.app = 1;
tcause.error_code = app_error_code;
tcause.reason = app_reason;
tcause.reason_len = app_reason != NULL ? strlen(app_reason) : 0;
ch_start_terminating(ch, &tcause, 0);
}
static void free_token(const unsigned char *buf, size_t buf_len, void *arg)
{
OPENSSL_free((unsigned char *)buf);
}
static int ch_retry(QUIC_CHANNEL *ch,
const unsigned char *retry_token,
size_t retry_token_len,
const QUIC_CONN_ID *retry_scid)
{
void *buf;
if (ossl_quic_conn_id_eq(&ch->init_dcid, retry_scid))
return 1;
if (!ossl_quic_tx_packetiser_set_cur_dcid(ch->txp, retry_scid))
return 0;
if ((buf = OPENSSL_memdup(retry_token, retry_token_len)) == NULL)
return 0;
if (!ossl_quic_tx_packetiser_set_initial_token(ch->txp, buf,
retry_token_len,
free_token, NULL)) {
ossl_quic_channel_raise_protocol_error(ch, OSSL_QUIC_ERR_INVALID_TOKEN, 0,
"received oversize token");
OPENSSL_free(buf);
return 0;
}
ch->retry_scid = *retry_scid;
ch->doing_retry = 1;
if (!ossl_ackm_mark_packet_pseudo_lost(ch->ackm, QUIC_PN_SPACE_INITIAL,
0))
return 0;
if (!ossl_quic_provide_initial_secret(ch->port->engine->libctx,
ch->port->engine->propq,
&ch->retry_scid,
0,
ch->qrx, ch->qtx))
return 0;
return 1;
}
static int ch_discard_el(QUIC_CHANNEL *ch,
uint32_t enc_level)
{
if (!ossl_assert(enc_level < QUIC_ENC_LEVEL_1RTT))
return 0;
if ((ch->el_discarded & (1U << enc_level)) != 0)
return 1;
ossl_quic_tx_packetiser_discard_enc_level(ch->txp, enc_level);
ossl_qrx_discard_enc_level(ch->qrx, enc_level);
ossl_qtx_discard_enc_level(ch->qtx, enc_level);
if (enc_level != QUIC_ENC_LEVEL_0RTT) {
uint32_t pn_space = ossl_quic_enc_level_to_pn_space(enc_level);
ossl_ackm_on_pkt_space_discarded(ch->ackm, pn_space);
if (!ossl_assert(ch->crypto_send[pn_space] != NULL)
|| !ossl_assert(ch->crypto_recv[pn_space] != NULL))
return 0;
ossl_quic_sstream_free(ch->crypto_send[pn_space]);
ch->crypto_send[pn_space] = NULL;
ossl_quic_rstream_free(ch->crypto_recv[pn_space]);
ch->crypto_recv[pn_space] = NULL;
}
ch->el_discarded |= (1U << enc_level);
return 1;
}
int ossl_quic_channel_on_handshake_confirmed(QUIC_CHANNEL *ch)
{
if (ch->handshake_confirmed)
return 1;
if (!ch->handshake_complete) {
ossl_quic_channel_raise_protocol_error(ch, OSSL_QUIC_ERR_PROTOCOL_VIOLATION,
OSSL_QUIC_FRAME_TYPE_HANDSHAKE_DONE,
"handshake cannot be confirmed "
"before it is completed");
return 0;
}
ch_discard_el(ch, QUIC_ENC_LEVEL_HANDSHAKE);
ch->handshake_confirmed = 1;
ch_record_state_transition(ch, ch->state);
ossl_ackm_on_handshake_confirmed(ch->ackm);
return 1;
}
static void copy_tcause(QUIC_TERMINATE_CAUSE *dst,
const QUIC_TERMINATE_CAUSE *src)
{
dst->error_code = src->error_code;
dst->frame_type = src->frame_type;
dst->app = src->app;
dst->remote = src->remote;
dst->reason = NULL;
dst->reason_len = 0;
if (src->reason != NULL && src->reason_len > 0) {
size_t l = src->reason_len;
char *r;
if (l >= SIZE_MAX)
--l;
dst->reason = r = OPENSSL_memdup(src->reason, l + 1);
if (r == NULL)
return;
r[l] = '\0';
dst->reason_len = l;
}
}
static void ch_start_terminating(QUIC_CHANNEL *ch,
const QUIC_TERMINATE_CAUSE *tcause,
int force_immediate)
{
if (!ch->have_sent_any_pkt)
force_immediate = 1;
switch (ch->state) {
default:
case QUIC_CHANNEL_STATE_IDLE:
copy_tcause(&ch->terminate_cause, tcause);
ch_on_terminating_timeout(ch);
break;
case QUIC_CHANNEL_STATE_ACTIVE:
copy_tcause(&ch->terminate_cause, tcause);
ossl_qlog_event_connectivity_connection_closed(ch_get_qlog(ch), tcause);
if (!force_immediate) {
ch_record_state_transition(ch, tcause->remote
? QUIC_CHANNEL_STATE_TERMINATING_DRAINING
: QUIC_CHANNEL_STATE_TERMINATING_CLOSING);
ch->terminate_deadline
= ossl_time_add(get_time(ch),
ossl_time_multiply(ossl_ackm_get_pto_duration(ch->ackm),
3));
if (!tcause->remote) {
OSSL_QUIC_FRAME_CONN_CLOSE f = {0};
f.error_code = ch->terminate_cause.error_code;
f.frame_type = ch->terminate_cause.frame_type;
f.is_app = ch->terminate_cause.app;
f.reason = (char *)ch->terminate_cause.reason;
f.reason_len = ch->terminate_cause.reason_len;
ossl_quic_tx_packetiser_schedule_conn_close(ch->txp, &f);
ch->conn_close_queued = 1;
}
} else {
ch_on_terminating_timeout(ch);
}
break;
case QUIC_CHANNEL_STATE_TERMINATING_CLOSING:
if (force_immediate)
ch_on_terminating_timeout(ch);
else if (tcause->remote)
ch_record_state_transition(ch, QUIC_CHANNEL_STATE_TERMINATING_DRAINING);
break;
case QUIC_CHANNEL_STATE_TERMINATING_DRAINING:
if (force_immediate)
ch_on_terminating_timeout(ch);
break;
case QUIC_CHANNEL_STATE_TERMINATED:
break;
}
}
void ossl_quic_channel_on_remote_conn_close(QUIC_CHANNEL *ch,
OSSL_QUIC_FRAME_CONN_CLOSE *f)
{
QUIC_TERMINATE_CAUSE tcause = {0};
if (!ossl_quic_channel_is_active(ch))
return;
tcause.remote = 1;
tcause.app = f->is_app;
tcause.error_code = f->error_code;
tcause.frame_type = f->frame_type;
tcause.reason = f->reason;
tcause.reason_len = f->reason_len;
ch_start_terminating(ch, &tcause, 0);
}
static void free_frame_data(unsigned char *buf, size_t buf_len, void *arg)
{
OPENSSL_free(buf);
}
static int ch_enqueue_retire_conn_id(QUIC_CHANNEL *ch, uint64_t seq_num)
{
BUF_MEM *buf_mem = NULL;
WPACKET wpkt;
size_t l;
ossl_quic_srtm_remove(ch->srtm, ch, seq_num);
if ((buf_mem = BUF_MEM_new()) == NULL)
goto err;
if (!WPACKET_init(&wpkt, buf_mem))
goto err;
if (!ossl_quic_wire_encode_frame_retire_conn_id(&wpkt, seq_num)) {
WPACKET_cleanup(&wpkt);
goto err;
}
WPACKET_finish(&wpkt);
if (!WPACKET_get_total_written(&wpkt, &l))
goto err;
if (ossl_quic_cfq_add_frame(ch->cfq, 1, QUIC_PN_SPACE_APP,
OSSL_QUIC_FRAME_TYPE_RETIRE_CONN_ID, 0,
(unsigned char *)buf_mem->data, l,
free_frame_data, NULL) == NULL)
goto err;
buf_mem->data = NULL;
BUF_MEM_free(buf_mem);
return 1;
err:
ossl_quic_channel_raise_protocol_error(ch,
OSSL_QUIC_ERR_INTERNAL_ERROR,
OSSL_QUIC_FRAME_TYPE_NEW_CONN_ID,
"internal error enqueueing retire conn id");
BUF_MEM_free(buf_mem);
return 0;
}
void ossl_quic_channel_on_new_conn_id(QUIC_CHANNEL *ch,
OSSL_QUIC_FRAME_NEW_CONN_ID *f)
{
uint64_t new_remote_seq_num = ch->cur_remote_seq_num;
uint64_t new_retire_prior_to = ch->cur_retire_prior_to;
if (!ossl_quic_channel_is_active(ch))
return;
if (ch->cur_remote_dcid.id_len == 0) {
ossl_quic_channel_raise_protocol_error(ch,
OSSL_QUIC_ERR_PROTOCOL_VIOLATION,
OSSL_QUIC_FRAME_TYPE_NEW_CONN_ID,
"zero length connection id in use");
return;
}
if (f->seq_num > new_remote_seq_num)
new_remote_seq_num = f->seq_num;
if (f->retire_prior_to > new_retire_prior_to)
new_retire_prior_to = f->retire_prior_to;
if (new_remote_seq_num - new_retire_prior_to > 1) {
ossl_quic_channel_raise_protocol_error(ch,
OSSL_QUIC_ERR_CONNECTION_ID_LIMIT_ERROR,
OSSL_QUIC_FRAME_TYPE_NEW_CONN_ID,
"active_connection_id limit violated");
return;
}
if (new_retire_prior_to - ch->cur_retire_prior_to > 10) {
ossl_quic_channel_raise_protocol_error(ch,
OSSL_QUIC_ERR_CONNECTION_ID_LIMIT_ERROR,
OSSL_QUIC_FRAME_TYPE_NEW_CONN_ID,
"retiring connection id limit violated");
return;
}
if (new_remote_seq_num > ch->cur_remote_seq_num) {
if (!ossl_quic_srtm_add(ch->srtm, ch, new_remote_seq_num,
&f->stateless_reset)) {
ossl_quic_channel_raise_protocol_error(
ch, OSSL_QUIC_ERR_CONNECTION_ID_LIMIT_ERROR,
OSSL_QUIC_FRAME_TYPE_NEW_CONN_ID,
"unable to store stateless reset token");
return;
}
ch->cur_remote_seq_num = new_remote_seq_num;
ch->cur_remote_dcid = f->conn_id;
ossl_quic_tx_packetiser_set_cur_dcid(ch->txp, &ch->cur_remote_dcid);
}
while (new_retire_prior_to > ch->cur_retire_prior_to) {
if (!ch_enqueue_retire_conn_id(ch, ch->cur_retire_prior_to))
break;
++ch->cur_retire_prior_to;
}
}
static void ch_save_err_state(QUIC_CHANNEL *ch)
{
if (ch->err_state == NULL)
ch->err_state = OSSL_ERR_STATE_new();
if (ch->err_state == NULL)
return;
OSSL_ERR_STATE_save(ch->err_state);
}
void ossl_quic_channel_inject(QUIC_CHANNEL *ch, QUIC_URXE *e)
{
ossl_qrx_inject_urxe(ch->qrx, e);
}
void ossl_quic_channel_on_stateless_reset(QUIC_CHANNEL *ch)
{
QUIC_TERMINATE_CAUSE tcause = {0};
tcause.error_code = OSSL_QUIC_ERR_NO_ERROR;
tcause.remote = 1;
ch_start_terminating(ch, &tcause, 0);
}
void ossl_quic_channel_raise_net_error(QUIC_CHANNEL *ch)
{
QUIC_TERMINATE_CAUSE tcause = {0};
if (ch->net_error)
return;
ch->net_error = 1;
tcause.error_code = OSSL_QUIC_ERR_INTERNAL_ERROR;
tcause.reason = "network BIO I/O error";
tcause.reason_len = strlen(tcause.reason);
ch_start_terminating(ch, &tcause, 1);
}
int ossl_quic_channel_net_error(QUIC_CHANNEL *ch)
{
return ch->net_error;
}
void ossl_quic_channel_restore_err_state(QUIC_CHANNEL *ch)
{
if (ch == NULL)
return;
if (!ossl_quic_port_is_running(ch->port))
ossl_quic_port_restore_err_state(ch->port);
else
OSSL_ERR_STATE_restore(ch->err_state);
}
void ossl_quic_channel_raise_protocol_error_loc(QUIC_CHANNEL *ch,
uint64_t error_code,
uint64_t frame_type,
const char *reason,
ERR_STATE *err_state,
const char *src_file,
int src_line,
const char *src_func)
{
QUIC_TERMINATE_CAUSE tcause = {0};
int err_reason = error_code == OSSL_QUIC_ERR_INTERNAL_ERROR
? ERR_R_INTERNAL_ERROR : SSL_R_QUIC_PROTOCOL_ERROR;
const char *err_str = ossl_quic_err_to_string(error_code);
const char *err_str_pfx = " (", *err_str_sfx = ")";
const char *ft_str = NULL;
const char *ft_str_pfx = " (", *ft_str_sfx = ")";
if (ch->protocol_error)
return;
if (err_str == NULL) {
err_str = "";
err_str_pfx = "";
err_str_sfx = "";
}
if (err_state != NULL)
OSSL_ERR_STATE_restore(err_state);
if (frame_type != 0) {
ft_str = ossl_quic_frame_type_to_string(frame_type);
if (ft_str == NULL) {
ft_str = "";
ft_str_pfx = "";
ft_str_sfx = "";
}
ERR_raise_data(ERR_LIB_SSL, err_reason,
"QUIC error code: 0x%llx%s%s%s "
"(triggered by frame type: 0x%llx%s%s%s), reason: \"%s\"",
(unsigned long long) error_code,
err_str_pfx, err_str, err_str_sfx,
(unsigned long long) frame_type,
ft_str_pfx, ft_str, ft_str_sfx,
reason);
} else {
ERR_raise_data(ERR_LIB_SSL, err_reason,
"QUIC error code: 0x%llx%s%s%s, reason: \"%s\"",
(unsigned long long) error_code,
err_str_pfx, err_str, err_str_sfx,
reason);
}
if (src_file != NULL)
ERR_set_debug(src_file, src_line, src_func);
ch_save_err_state(ch);
tcause.error_code = error_code;
tcause.frame_type = frame_type;
tcause.reason = reason;
tcause.reason_len = strlen(reason);
ch->protocol_error = 1;
ch_start_terminating(ch, &tcause, 0);
}
static void ch_on_terminating_timeout(QUIC_CHANNEL *ch)
{
ch_record_state_transition(ch, QUIC_CHANNEL_STATE_TERMINATED);
}
static OSSL_TIME ch_get_effective_idle_timeout_duration(QUIC_CHANNEL *ch)
{
OSSL_TIME pto;
if (ch->max_idle_timeout == 0)
return ossl_time_infinite();
pto = ossl_ackm_get_pto_duration(ch->ackm);
return ossl_time_max(ossl_ms2time(ch->max_idle_timeout),
ossl_time_multiply(pto, 3));
}
static void ch_update_idle(QUIC_CHANNEL *ch)
{
ch->idle_deadline = ossl_time_add(get_time(ch),
ch_get_effective_idle_timeout_duration(ch));
}
static void ch_update_ping_deadline(QUIC_CHANNEL *ch)
{
OSSL_TIME max_span, idle_duration;
idle_duration = ch_get_effective_idle_timeout_duration(ch);
if (ossl_time_is_infinite(idle_duration)) {
ch->ping_deadline = ossl_time_infinite();
return;
}
max_span = ossl_time_divide(idle_duration, 2);
max_span = ossl_time_min(max_span, MAX_NAT_INTERVAL);
ch->ping_deadline = ossl_time_add(get_time(ch), max_span);
}
static void ch_on_idle_timeout(QUIC_CHANNEL *ch)
{
ch->terminate_cause.app = 0;
ch->terminate_cause.error_code = OSSL_QUIC_LOCAL_ERR_IDLE_TIMEOUT;
ch->terminate_cause.frame_type = 0;
ch_record_state_transition(ch, QUIC_CHANNEL_STATE_TERMINATED);
}
int ossl_quic_channel_on_new_conn(QUIC_CHANNEL *ch, const BIO_ADDR *peer,
const QUIC_CONN_ID *peer_scid,
const QUIC_CONN_ID *peer_dcid)
{
if (!ossl_assert(ch->state == QUIC_CHANNEL_STATE_IDLE && ch->is_server))
return 0;
if (!ossl_quic_lcidm_generate_initial(ch->lcidm, ch, &ch->cur_local_cid))
return 0;
ch->cur_peer_addr = *peer;
ch->init_dcid = *peer_dcid;
ch->cur_remote_dcid = *peer_scid;
if (!ossl_quic_tx_packetiser_set_peer(ch->txp, &ch->cur_peer_addr))
return 0;
if (!ossl_quic_tx_packetiser_set_cur_dcid(ch->txp, &ch->cur_remote_dcid))
return 0;
if (!ossl_quic_tx_packetiser_set_cur_scid(ch->txp, &ch->cur_local_cid))
return 0;
ossl_qtx_set_qlog_cb(ch->qtx, ch_get_qlog_cb, ch);
ossl_quic_tx_packetiser_set_qlog_cb(ch->txp, ch_get_qlog_cb, ch);
if (!ossl_quic_provide_initial_secret(ch->port->engine->libctx,
ch->port->engine->propq,
&ch->init_dcid,
1,
ch->qrx, ch->qtx))
return 0;
if (!ossl_quic_lcidm_enrol_odcid(ch->lcidm, ch, &ch->init_dcid))
return 0;
ch_record_state_transition(ch, QUIC_CHANNEL_STATE_ACTIVE);
ch->doing_proactive_ver_neg = 0;
return 1;
}
SSL *ossl_quic_channel_get0_ssl(QUIC_CHANNEL *ch)
{
return ch->tls;
}
static int ch_init_new_stream(QUIC_CHANNEL *ch, QUIC_STREAM *qs,
int can_send, int can_recv)
{
uint64_t rxfc_wnd;
int server_init = ossl_quic_stream_is_server_init(qs);
int local_init = (ch->is_server == server_init);
int is_uni = !ossl_quic_stream_is_bidi(qs);
if (can_send)
if ((qs->sstream = ossl_quic_sstream_new(INIT_APP_BUF_LEN)) == NULL)
goto err;
if (can_recv)
if ((qs->rstream = ossl_quic_rstream_new(NULL, NULL, 0)) == NULL)
goto err;
if (!ossl_quic_txfc_init(&qs->txfc, &ch->conn_txfc))
goto err;
if (ch->got_remote_transport_params) {
if (can_send) {
uint64_t cwm;
if (is_uni)
cwm = ch->rx_init_max_stream_data_uni;
else if (local_init)
cwm = ch->rx_init_max_stream_data_bidi_local;
else
cwm = ch->rx_init_max_stream_data_bidi_remote;
ossl_quic_txfc_bump_cwm(&qs->txfc, cwm);
}
}
if (!can_recv)
rxfc_wnd = 0;
else if (is_uni)
rxfc_wnd = ch->tx_init_max_stream_data_uni;
else if (local_init)
rxfc_wnd = ch->tx_init_max_stream_data_bidi_local;
else
rxfc_wnd = ch->tx_init_max_stream_data_bidi_remote;
if (!ossl_quic_rxfc_init(&qs->rxfc, &ch->conn_rxfc,
rxfc_wnd,
DEFAULT_STREAM_RXFC_MAX_WND_MUL * rxfc_wnd,
get_time, ch))
goto err;
return 1;
err:
ossl_quic_sstream_free(qs->sstream);
qs->sstream = NULL;
ossl_quic_rstream_free(qs->rstream);
qs->rstream = NULL;
return 0;
}
static uint64_t *ch_get_local_stream_next_ordinal_ptr(QUIC_CHANNEL *ch,
int is_uni)
{
return is_uni ? &ch->next_local_stream_ordinal_uni
: &ch->next_local_stream_ordinal_bidi;
}
static const uint64_t *ch_get_local_stream_max_ptr(const QUIC_CHANNEL *ch,
int is_uni)
{
return is_uni ? &ch->max_local_streams_uni
: &ch->max_local_streams_bidi;
}
static const QUIC_RXFC *ch_get_remote_stream_count_rxfc(const QUIC_CHANNEL *ch,
int is_uni)
{
return is_uni ? &ch->max_streams_uni_rxfc
: &ch->max_streams_bidi_rxfc;
}
int ossl_quic_channel_is_new_local_stream_admissible(QUIC_CHANNEL *ch,
int is_uni)
{
const uint64_t *p_next_ordinal = ch_get_local_stream_next_ordinal_ptr(ch, is_uni);
return ossl_quic_stream_map_is_local_allowed_by_stream_limit(&ch->qsm,
*p_next_ordinal,
is_uni);
}
uint64_t ossl_quic_channel_get_local_stream_count_avail(const QUIC_CHANNEL *ch,
int is_uni)
{
const uint64_t *p_next_ordinal, *p_max;
p_next_ordinal = ch_get_local_stream_next_ordinal_ptr((QUIC_CHANNEL *)ch,
is_uni);
p_max = ch_get_local_stream_max_ptr(ch, is_uni);
return *p_max - *p_next_ordinal;
}
uint64_t ossl_quic_channel_get_remote_stream_count_avail(const QUIC_CHANNEL *ch,
int is_uni)
{
return ossl_quic_rxfc_get_credit(ch_get_remote_stream_count_rxfc(ch, is_uni));
}
QUIC_STREAM *ossl_quic_channel_new_stream_local(QUIC_CHANNEL *ch, int is_uni)
{
QUIC_STREAM *qs;
int type;
uint64_t stream_id;
uint64_t *p_next_ordinal;
type = ch->is_server ? QUIC_STREAM_INITIATOR_SERVER
: QUIC_STREAM_INITIATOR_CLIENT;
p_next_ordinal = ch_get_local_stream_next_ordinal_ptr(ch, is_uni);
if (is_uni)
type |= QUIC_STREAM_DIR_UNI;
else
type |= QUIC_STREAM_DIR_BIDI;
if (*p_next_ordinal >= ((uint64_t)1) << 62)
return NULL;
stream_id = ((*p_next_ordinal) << 2) | type;
if ((qs = ossl_quic_stream_map_alloc(&ch->qsm, stream_id, type)) == NULL)
return NULL;
if (!ch_init_new_stream(ch, qs, 1, !is_uni))
goto err;
++*p_next_ordinal;
return qs;
err:
ossl_quic_stream_map_release(&ch->qsm, qs);
return NULL;
}
QUIC_STREAM *ossl_quic_channel_new_stream_remote(QUIC_CHANNEL *ch,
uint64_t stream_id)
{
uint64_t peer_role;
int is_uni;
QUIC_STREAM *qs;
peer_role = ch->is_server
? QUIC_STREAM_INITIATOR_CLIENT
: QUIC_STREAM_INITIATOR_SERVER;
if ((stream_id & QUIC_STREAM_INITIATOR_MASK) != peer_role)
return NULL;
is_uni = ((stream_id & QUIC_STREAM_DIR_MASK) == QUIC_STREAM_DIR_UNI);
qs = ossl_quic_stream_map_alloc(&ch->qsm, stream_id,
stream_id & (QUIC_STREAM_INITIATOR_MASK
| QUIC_STREAM_DIR_MASK));
if (qs == NULL)
return NULL;
if (!ch_init_new_stream(ch, qs, !is_uni, 1))
goto err;
if (ch->incoming_stream_auto_reject)
ossl_quic_channel_reject_stream(ch, qs);
else
ossl_quic_stream_map_push_accept_queue(&ch->qsm, qs);
return qs;
err:
ossl_quic_stream_map_release(&ch->qsm, qs);
return NULL;
}
void ossl_quic_channel_set_incoming_stream_auto_reject(QUIC_CHANNEL *ch,
int enable,
uint64_t aec)
{
ch->incoming_stream_auto_reject = (enable != 0);
ch->incoming_stream_auto_reject_aec = aec;
}
void ossl_quic_channel_reject_stream(QUIC_CHANNEL *ch, QUIC_STREAM *qs)
{
ossl_quic_stream_map_stop_sending_recv_part(&ch->qsm, qs,
ch->incoming_stream_auto_reject_aec);
ossl_quic_stream_map_reset_stream_send_part(&ch->qsm, qs,
ch->incoming_stream_auto_reject_aec);
qs->deleted = 1;
ossl_quic_stream_map_update_state(&ch->qsm, qs);
}
int ossl_quic_channel_replace_local_cid(QUIC_CHANNEL *ch,
const QUIC_CONN_ID *conn_id)
{
if (!ossl_quic_lcidm_debug_remove(ch->lcidm, &ch->cur_local_cid))
return 0;
ch->cur_local_cid = *conn_id;
if (!ossl_quic_tx_packetiser_set_cur_scid(ch->txp, &ch->cur_local_cid))
return 0;
if (!ossl_quic_lcidm_debug_add(ch->lcidm, ch, &ch->cur_local_cid,
100))
return 0;
return 1;
}
void ossl_quic_channel_set_msg_callback(QUIC_CHANNEL *ch,
ossl_msg_cb msg_callback,
SSL *msg_callback_ssl)
{
ch->msg_callback = msg_callback;
ch->msg_callback_ssl = msg_callback_ssl;
ossl_qtx_set_msg_callback(ch->qtx, msg_callback, msg_callback_ssl);
ossl_quic_tx_packetiser_set_msg_callback(ch->txp, msg_callback,
msg_callback_ssl);
ossl_qrx_set_msg_callback(ch->qrx, msg_callback, msg_callback_ssl);
}
void ossl_quic_channel_set_msg_callback_arg(QUIC_CHANNEL *ch,
void *msg_callback_arg)
{
ch->msg_callback_arg = msg_callback_arg;
ossl_qtx_set_msg_callback_arg(ch->qtx, msg_callback_arg);
ossl_quic_tx_packetiser_set_msg_callback_arg(ch->txp, msg_callback_arg);
ossl_qrx_set_msg_callback_arg(ch->qrx, msg_callback_arg);
}
void ossl_quic_channel_set_txku_threshold_override(QUIC_CHANNEL *ch,
uint64_t tx_pkt_threshold)
{
ch->txku_threshold_override = tx_pkt_threshold;
}
uint64_t ossl_quic_channel_get_tx_key_epoch(QUIC_CHANNEL *ch)
{
return ossl_qtx_get_key_epoch(ch->qtx);
}
uint64_t ossl_quic_channel_get_rx_key_epoch(QUIC_CHANNEL *ch)
{
return ossl_qrx_get_key_epoch(ch->qrx);
}
int ossl_quic_channel_trigger_txku(QUIC_CHANNEL *ch)
{
if (!txku_allowed(ch))
return 0;
ch->ku_locally_initiated = 1;
ch_trigger_txku(ch);
return 1;
}
int ossl_quic_channel_ping(QUIC_CHANNEL *ch)
{
int pn_space = ossl_quic_enc_level_to_pn_space(ch->tx_enc_level);
ossl_quic_tx_packetiser_schedule_ack_eliciting(ch->txp, pn_space);
return 1;
}
uint16_t ossl_quic_channel_get_diag_num_rx_ack(QUIC_CHANNEL *ch)
{
return ch->diag_num_rx_ack;
}
void ossl_quic_channel_get_diag_local_cid(QUIC_CHANNEL *ch, QUIC_CONN_ID *cid)
{
*cid = ch->cur_local_cid;
}
int ossl_quic_channel_have_generated_transport_params(const QUIC_CHANNEL *ch)
{
return ch->got_local_transport_params;
}
void ossl_quic_channel_set_max_idle_timeout_request(QUIC_CHANNEL *ch, uint64_t ms)
{
ch->max_idle_timeout_local_req = ms;
}
uint64_t ossl_quic_channel_get_max_idle_timeout_request(const QUIC_CHANNEL *ch)
{
return ch->max_idle_timeout_local_req;
}
uint64_t ossl_quic_channel_get_max_idle_timeout_peer_request(const QUIC_CHANNEL *ch)
{
return ch->max_idle_timeout_remote_req;
}
uint64_t ossl_quic_channel_get_max_idle_timeout_actual(const QUIC_CHANNEL *ch)
{
return ch->max_idle_timeout;
}
| quic | openssl/ssl/quic/quic_channel.c | openssl |
#include "internal/quic_srtm.h"
#include "internal/common.h"
#include <openssl/lhash.h>
#include <openssl/core_names.h>
#include <openssl/rand.h>
typedef struct srtm_item_st SRTM_ITEM;
#define BLINDED_SRT_LEN 16
DEFINE_LHASH_OF_EX(SRTM_ITEM);
struct srtm_item_st {
SRTM_ITEM *next_by_srt_blinded;
SRTM_ITEM *next_by_seq_num;
void *opaque;
uint64_t seq_num;
QUIC_STATELESS_RESET_TOKEN srt;
unsigned char srt_blinded[BLINDED_SRT_LEN];
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
uint32_t debug_token;
#endif
};
struct quic_srtm_st {
EVP_CIPHER_CTX *blind_ctx;
LHASH_OF(SRTM_ITEM) *items_fwd;
LHASH_OF(SRTM_ITEM) *items_rev;
unsigned int alloc_failed : 1;
};
static unsigned long items_fwd_hash(const SRTM_ITEM *item)
{
return (unsigned long)(uintptr_t)item->opaque;
}
static int items_fwd_cmp(const SRTM_ITEM *a, const SRTM_ITEM *b)
{
return a->opaque != b->opaque;
}
static unsigned long items_rev_hash(const SRTM_ITEM *item)
{
unsigned long l;
memcpy(&l, item->srt_blinded, sizeof(l));
return l;
}
static int items_rev_cmp(const SRTM_ITEM *a, const SRTM_ITEM *b)
{
return memcmp(a->srt_blinded, b->srt_blinded, sizeof(a->srt_blinded));
}
static int srtm_check_lh(QUIC_SRTM *srtm, LHASH_OF(SRTM_ITEM) *lh)
{
if (lh_SRTM_ITEM_error(lh)) {
srtm->alloc_failed = 1;
return 0;
}
return 1;
}
QUIC_SRTM *ossl_quic_srtm_new(OSSL_LIB_CTX *libctx, const char *propq)
{
QUIC_SRTM *srtm = NULL;
unsigned char key[16];
EVP_CIPHER *ecb = NULL;
if (RAND_priv_bytes_ex(libctx, key, sizeof(key), sizeof(key) * 8) != 1)
goto err;
if ((srtm = OPENSSL_zalloc(sizeof(*srtm))) == NULL)
return NULL;
if ((ecb = EVP_CIPHER_fetch(libctx, "AES-128-ECB", propq)) == NULL)
goto err;
if ((srtm->blind_ctx = EVP_CIPHER_CTX_new()) == NULL)
goto err;
if (!EVP_EncryptInit_ex2(srtm->blind_ctx, ecb, key, NULL, NULL))
goto err;
EVP_CIPHER_free(ecb);
ecb = NULL;
if ((srtm->items_fwd = lh_SRTM_ITEM_new(items_fwd_hash, items_fwd_cmp)) == NULL
|| (srtm->items_rev = lh_SRTM_ITEM_new(items_rev_hash, items_rev_cmp)) == NULL)
goto err;
return srtm;
err:
ossl_quic_srtm_free(srtm);
EVP_CIPHER_free(ecb);
return NULL;
}
static void srtm_free_each(SRTM_ITEM *ihead)
{
SRTM_ITEM *inext, *item = ihead;
for (item = item->next_by_seq_num; item != NULL; item = inext) {
inext = item->next_by_seq_num;
OPENSSL_free(item);
}
OPENSSL_free(ihead);
}
void ossl_quic_srtm_free(QUIC_SRTM *srtm)
{
if (srtm == NULL)
return;
lh_SRTM_ITEM_free(srtm->items_rev);
if (srtm->items_fwd != NULL) {
lh_SRTM_ITEM_doall(srtm->items_fwd, srtm_free_each);
lh_SRTM_ITEM_free(srtm->items_fwd);
}
EVP_CIPHER_CTX_free(srtm->blind_ctx);
OPENSSL_free(srtm);
}
static SRTM_ITEM *srtm_find(QUIC_SRTM *srtm, void *opaque, uint64_t seq_num,
SRTM_ITEM **head_p, SRTM_ITEM **prev_p)
{
SRTM_ITEM key, *item = NULL, *prev = NULL;
key.opaque = opaque;
item = lh_SRTM_ITEM_retrieve(srtm->items_fwd, &key);
if (head_p != NULL)
*head_p = item;
for (; item != NULL; prev = item, item = item->next_by_seq_num)
if (item->seq_num == seq_num) {
break;
} else if (item->seq_num < seq_num) {
item = NULL;
break;
}
if (prev_p != NULL)
*prev_p = prev;
return item;
}
static void sorted_insert_seq_num(SRTM_ITEM *head, SRTM_ITEM *item, SRTM_ITEM **new_head)
{
uint64_t seq_num = item->seq_num;
SRTM_ITEM *cur = head, **fixup = new_head;
*new_head = head;
while (cur != NULL && cur->seq_num > seq_num) {
fixup = &cur->next_by_seq_num;
cur = cur->next_by_seq_num;
}
item->next_by_seq_num = *fixup;
*fixup = item;
}
static void sorted_insert_srt(SRTM_ITEM *head, SRTM_ITEM *item, SRTM_ITEM **new_head)
{
uintptr_t opaque = (uintptr_t)item->opaque;
SRTM_ITEM *cur = head, **fixup = new_head;
*new_head = head;
while (cur != NULL && (uintptr_t)cur->opaque > opaque) {
fixup = &cur->next_by_srt_blinded;
cur = cur->next_by_srt_blinded;
}
item->next_by_srt_blinded = *fixup;
*fixup = item;
}
static int srtm_compute_blinded(QUIC_SRTM *srtm, SRTM_ITEM *item,
const QUIC_STATELESS_RESET_TOKEN *token)
{
int outl = 0;
if (!EVP_EncryptUpdate(srtm->blind_ctx, item->srt_blinded, &outl,
(const unsigned char *)token, sizeof(*token)))
return 0;
if (!ossl_assert(outl == sizeof(*token)))
return 0;
return 1;
}
int ossl_quic_srtm_add(QUIC_SRTM *srtm, void *opaque, uint64_t seq_num,
const QUIC_STATELESS_RESET_TOKEN *token)
{
SRTM_ITEM *item = NULL, *head = NULL, *new_head, *r_item;
if (srtm->alloc_failed)
return 0;
if ((item = srtm_find(srtm, opaque, seq_num, &head, NULL)) != NULL)
return 0;
if ((item = OPENSSL_zalloc(sizeof(*item))) == NULL)
return 0;
item->opaque = opaque;
item->seq_num = seq_num;
item->srt = *token;
if (!srtm_compute_blinded(srtm, item, &item->srt)) {
OPENSSL_free(item);
return 0;
}
if (head == NULL) {
lh_SRTM_ITEM_insert(srtm->items_fwd, item);
if (!srtm_check_lh(srtm, srtm->items_fwd)) {
OPENSSL_free(item);
return 0;
}
} else {
sorted_insert_seq_num(head, item, &new_head);
if (new_head != head) {
lh_SRTM_ITEM_insert(srtm->items_fwd, new_head);
if (!srtm_check_lh(srtm, srtm->items_fwd)) {
OPENSSL_free(item);
return 0;
}
}
}
r_item = lh_SRTM_ITEM_retrieve(srtm->items_rev, item);
if (r_item == NULL) {
lh_SRTM_ITEM_insert(srtm->items_rev, item);
if (!srtm_check_lh(srtm, srtm->items_rev))
return 0;
} else {
sorted_insert_srt(r_item, item, &new_head);
if (new_head != r_item) {
lh_SRTM_ITEM_insert(srtm->items_rev, new_head);
if (!srtm_check_lh(srtm, srtm->items_rev))
return 0;
}
}
return 1;
}
static int srtm_remove_from_rev(QUIC_SRTM *srtm, SRTM_ITEM *item)
{
SRTM_ITEM *rh_item;
rh_item = lh_SRTM_ITEM_retrieve(srtm->items_rev, item);
assert(rh_item != NULL);
if (rh_item == item) {
if (item->next_by_srt_blinded != NULL) {
lh_SRTM_ITEM_insert(srtm->items_rev, item->next_by_srt_blinded);
if (!srtm_check_lh(srtm, srtm->items_rev))
return 0;
} else {
lh_SRTM_ITEM_delete(srtm->items_rev, item);
}
} else {
for (; rh_item->next_by_srt_blinded != item;
rh_item = rh_item->next_by_srt_blinded);
rh_item->next_by_srt_blinded = item->next_by_srt_blinded;
}
return 1;
}
int ossl_quic_srtm_remove(QUIC_SRTM *srtm, void *opaque, uint64_t seq_num)
{
SRTM_ITEM *item, *prev = NULL;
if (srtm->alloc_failed)
return 0;
if ((item = srtm_find(srtm, opaque, seq_num, NULL, &prev)) == NULL)
return 0;
if (prev == NULL) {
if (item->next_by_seq_num != NULL) {
lh_SRTM_ITEM_insert(srtm->items_fwd, item->next_by_seq_num);
if (!srtm_check_lh(srtm, srtm->items_fwd))
return 0;
} else {
lh_SRTM_ITEM_delete(srtm->items_fwd, item);
}
} else {
prev->next_by_seq_num = item->next_by_seq_num;
}
if (!srtm_remove_from_rev(srtm, item))
return 0;
OPENSSL_free(item);
return 1;
}
int ossl_quic_srtm_cull(QUIC_SRTM *srtm, void *opaque)
{
SRTM_ITEM key, *item = NULL, *inext, *ihead;
key.opaque = opaque;
if (srtm->alloc_failed)
return 0;
if ((ihead = lh_SRTM_ITEM_retrieve(srtm->items_fwd, &key)) == NULL)
return 1;
for (item = ihead; item != NULL; item = inext) {
inext = item->next_by_seq_num;
if (item != ihead) {
srtm_remove_from_rev(srtm, item);
OPENSSL_free(item);
}
}
lh_SRTM_ITEM_delete(srtm->items_fwd, ihead);
srtm_remove_from_rev(srtm, ihead);
OPENSSL_free(ihead);
return 1;
}
int ossl_quic_srtm_lookup(QUIC_SRTM *srtm,
const QUIC_STATELESS_RESET_TOKEN *token,
size_t idx,
void **opaque, uint64_t *seq_num)
{
SRTM_ITEM key, *item;
if (srtm->alloc_failed)
return 0;
if (!srtm_compute_blinded(srtm, &key, token))
return 0;
item = lh_SRTM_ITEM_retrieve(srtm->items_rev, &key);
for (; idx > 0 && item != NULL; --idx, item = item->next_by_srt_blinded);
if (item == NULL)
return 0;
if (opaque != NULL)
*opaque = item->opaque;
if (seq_num != NULL)
*seq_num = item->seq_num;
return 1;
}
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
static uint32_t token_next = 0x5eadbeef;
static size_t tokens_seen;
struct check_args {
uint32_t token;
int mode;
};
static void check_mark(SRTM_ITEM *item, void *arg)
{
struct check_args *arg_ = arg;
uint32_t token = arg_->token;
uint64_t prev_seq_num = 0;
void *prev_opaque = NULL;
int have_prev = 0;
assert(item != NULL);
while (item != NULL) {
if (have_prev) {
assert(!(item->opaque == prev_opaque && item->seq_num == prev_seq_num));
if (!arg_->mode)
assert(item->opaque != prev_opaque || item->seq_num < prev_seq_num);
}
++tokens_seen;
item->debug_token = token;
prev_opaque = item->opaque;
prev_seq_num = item->seq_num;
have_prev = 1;
if (arg_->mode)
item = item->next_by_srt_blinded;
else
item = item->next_by_seq_num;
}
}
static void check_count(SRTM_ITEM *item, void *arg)
{
struct check_args *arg_ = arg;
uint32_t token = arg_->token;
assert(item != NULL);
while (item != NULL) {
++tokens_seen;
assert(item->debug_token == token);
if (arg_->mode)
item = item->next_by_seq_num;
else
item = item->next_by_srt_blinded;
}
}
#endif
void ossl_quic_srtm_check(const QUIC_SRTM *srtm)
{
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
struct check_args args = {0};
size_t tokens_expected, tokens_expected_old;
args.token = token_next;
++token_next;
assert(srtm != NULL);
assert(srtm->blind_ctx != NULL);
assert(srtm->items_fwd != NULL);
assert(srtm->items_rev != NULL);
tokens_seen = 0;
lh_SRTM_ITEM_doall_arg(srtm->items_fwd, check_mark, &args);
tokens_expected = tokens_seen;
tokens_seen = 0;
lh_SRTM_ITEM_doall_arg(srtm->items_rev, check_count, &args);
assert(tokens_seen == tokens_expected);
tokens_expected_old = tokens_expected;
args.token = token_next;
++token_next;
args.mode = 1;
tokens_seen = 0;
lh_SRTM_ITEM_doall_arg(srtm->items_rev, check_mark, &args);
tokens_expected = tokens_seen;
tokens_seen = 0;
lh_SRTM_ITEM_doall_arg(srtm->items_fwd, check_count, &args);
assert(tokens_seen == tokens_expected);
assert(tokens_seen == tokens_expected_old);
#endif
}
| quic | openssl/ssl/quic/quic_srtm.c | openssl |
#include "internal/quic_tserver.h"
#include "internal/quic_channel.h"
#include "internal/quic_statm.h"
#include "internal/quic_port.h"
#include "internal/quic_engine.h"
#include "internal/common.h"
#include "internal/time.h"
#include "quic_local.h"
struct quic_tserver_st {
QUIC_TSERVER_ARGS args;
SSL *ssl;
QUIC_ENGINE *engine;
QUIC_PORT *port;
QUIC_CHANNEL *ch;
CRYPTO_MUTEX *mutex;
SSL_CTX *ctx;
SSL *tls;
BIO_ADDR cur_peer_addr;
unsigned int connected : 1;
};
static int alpn_select_cb(SSL *ssl, const unsigned char **out,
unsigned char *outlen, const unsigned char *in,
unsigned int inlen, void *arg)
{
QUIC_TSERVER *srv = arg;
static const unsigned char alpndeflt[] = {
8, 'o', 's', 's', 'l', 't', 'e', 's', 't'
};
const unsigned char *alpn;
size_t alpnlen;
if (srv->args.alpn == NULL) {
alpn = alpndeflt;
alpnlen = sizeof(alpn);
} else {
alpn = srv->args.alpn;
alpnlen = srv->args.alpnlen;
}
if (SSL_select_next_proto((unsigned char **)out, outlen, alpn, alpnlen,
in, inlen) != OPENSSL_NPN_NEGOTIATED)
return SSL_TLSEXT_ERR_ALERT_FATAL;
return SSL_TLSEXT_ERR_OK;
}
QUIC_TSERVER *ossl_quic_tserver_new(const QUIC_TSERVER_ARGS *args,
const char *certfile, const char *keyfile)
{
QUIC_TSERVER *srv = NULL;
QUIC_ENGINE_ARGS engine_args = {0};
QUIC_PORT_ARGS port_args = {0};
QUIC_CONNECTION *qc = NULL;
if (args->net_rbio == NULL || args->net_wbio == NULL)
goto err;
if ((srv = OPENSSL_zalloc(sizeof(*srv))) == NULL)
goto err;
srv->args = *args;
#if defined(OPENSSL_THREADS)
if ((srv->mutex = ossl_crypto_mutex_new()) == NULL)
goto err;
#endif
if (args->ctx != NULL)
srv->ctx = args->ctx;
else
srv->ctx = SSL_CTX_new_ex(srv->args.libctx, srv->args.propq,
TLS_method());
if (srv->ctx == NULL)
goto err;
if (certfile != NULL
&& SSL_CTX_use_certificate_file(srv->ctx, certfile, SSL_FILETYPE_PEM) <= 0)
goto err;
if (keyfile != NULL
&& SSL_CTX_use_PrivateKey_file(srv->ctx, keyfile, SSL_FILETYPE_PEM) <= 0)
goto err;
SSL_CTX_set_alpn_select_cb(srv->ctx, alpn_select_cb, srv);
srv->tls = SSL_new(srv->ctx);
if (srv->tls == NULL)
goto err;
engine_args.libctx = srv->args.libctx;
engine_args.propq = srv->args.propq;
engine_args.mutex = srv->mutex;
engine_args.now_cb = srv->args.now_cb;
engine_args.now_cb_arg = srv->args.now_cb_arg;
if ((srv->engine = ossl_quic_engine_new(&engine_args)) == NULL)
goto err;
port_args.channel_ctx = srv->ctx;
port_args.is_multi_conn = 1;
if ((srv->port = ossl_quic_engine_create_port(srv->engine, &port_args)) == NULL)
goto err;
if ((srv->ch = ossl_quic_port_create_incoming(srv->port, srv->tls)) == NULL)
goto err;
if (!ossl_quic_port_set_net_rbio(srv->port, srv->args.net_rbio)
|| !ossl_quic_port_set_net_wbio(srv->port, srv->args.net_wbio))
goto err;
qc = OPENSSL_zalloc(sizeof(*qc));
if (qc == NULL)
goto err;
srv->ssl = (SSL *)qc;
qc->ch = srv->ch;
srv->ssl->type = SSL_TYPE_QUIC_CONNECTION;
return srv;
err:
if (srv != NULL) {
if (args->ctx == NULL)
SSL_CTX_free(srv->ctx);
SSL_free(srv->tls);
ossl_quic_channel_free(srv->ch);
ossl_quic_port_free(srv->port);
ossl_quic_engine_free(srv->engine);
#if defined(OPENSSL_THREADS)
ossl_crypto_mutex_free(&srv->mutex);
#endif
OPENSSL_free(qc);
}
OPENSSL_free(srv);
return NULL;
}
void ossl_quic_tserver_free(QUIC_TSERVER *srv)
{
if (srv == NULL)
return;
SSL_free(srv->tls);
ossl_quic_channel_free(srv->ch);
ossl_quic_port_free(srv->port);
ossl_quic_engine_free(srv->engine);
BIO_free_all(srv->args.net_rbio);
BIO_free_all(srv->args.net_wbio);
OPENSSL_free(srv->ssl);
SSL_CTX_free(srv->ctx);
#if defined(OPENSSL_THREADS)
ossl_crypto_mutex_free(&srv->mutex);
#endif
OPENSSL_free(srv);
}
int ossl_quic_tserver_set_plain_packet_mutator(QUIC_TSERVER *srv,
ossl_mutate_packet_cb mutatecb,
ossl_finish_mutate_cb finishmutatecb,
void *mutatearg)
{
return ossl_quic_channel_set_mutator(srv->ch, mutatecb, finishmutatecb,
mutatearg);
}
int ossl_quic_tserver_set_handshake_mutator(QUIC_TSERVER *srv,
ossl_statem_mutate_handshake_cb mutate_handshake_cb,
ossl_statem_finish_mutate_handshake_cb finish_mutate_handshake_cb,
void *mutatearg)
{
return ossl_statem_set_mutator(ossl_quic_channel_get0_ssl(srv->ch),
mutate_handshake_cb,
finish_mutate_handshake_cb,
mutatearg);
}
int ossl_quic_tserver_tick(QUIC_TSERVER *srv)
{
ossl_quic_reactor_tick(ossl_quic_channel_get_reactor(srv->ch), 0);
if (ossl_quic_channel_is_active(srv->ch))
srv->connected = 1;
return 1;
}
int ossl_quic_tserver_is_connected(QUIC_TSERVER *srv)
{
return ossl_quic_channel_is_active(srv->ch);
}
int ossl_quic_tserver_is_term_any(const QUIC_TSERVER *srv)
{
return ossl_quic_channel_is_term_any(srv->ch);
}
const QUIC_TERMINATE_CAUSE *
ossl_quic_tserver_get_terminate_cause(const QUIC_TSERVER *srv)
{
return ossl_quic_channel_get_terminate_cause(srv->ch);
}
int ossl_quic_tserver_is_terminated(const QUIC_TSERVER *srv)
{
return ossl_quic_channel_is_terminated(srv->ch);
}
int ossl_quic_tserver_is_handshake_confirmed(const QUIC_TSERVER *srv)
{
return ossl_quic_channel_is_handshake_confirmed(srv->ch);
}
int ossl_quic_tserver_read(QUIC_TSERVER *srv,
uint64_t stream_id,
unsigned char *buf,
size_t buf_len,
size_t *bytes_read)
{
int is_fin = 0;
QUIC_STREAM *qs;
qs = ossl_quic_stream_map_get_by_id(ossl_quic_channel_get_qsm(srv->ch),
stream_id);
if (qs == NULL) {
int is_client_init
= ((stream_id & QUIC_STREAM_INITIATOR_MASK)
== QUIC_STREAM_INITIATOR_CLIENT);
if (!is_client_init || !ossl_quic_channel_is_active(srv->ch))
return 0;
*bytes_read = 0;
return 1;
}
if (qs->recv_state == QUIC_RSTREAM_STATE_DATA_READ
|| !ossl_quic_stream_has_recv_buffer(qs))
return 0;
if (!ossl_quic_rstream_read(qs->rstream, buf, buf_len,
bytes_read, &is_fin))
return 0;
if (*bytes_read > 0) {
OSSL_RTT_INFO rtt_info;
ossl_statm_get_rtt_info(ossl_quic_channel_get_statm(srv->ch), &rtt_info);
if (!ossl_quic_rxfc_on_retire(&qs->rxfc, *bytes_read,
rtt_info.smoothed_rtt))
return 0;
}
if (is_fin)
ossl_quic_stream_map_notify_totally_read(ossl_quic_channel_get_qsm(srv->ch),
qs);
if (*bytes_read > 0)
ossl_quic_stream_map_update_state(ossl_quic_channel_get_qsm(srv->ch), qs);
return 1;
}
int ossl_quic_tserver_has_read_ended(QUIC_TSERVER *srv, uint64_t stream_id)
{
QUIC_STREAM *qs;
unsigned char buf[1];
size_t bytes_read = 0;
int is_fin = 0;
qs = ossl_quic_stream_map_get_by_id(ossl_quic_channel_get_qsm(srv->ch),
stream_id);
if (qs == NULL)
return 0;
if (qs->recv_state == QUIC_RSTREAM_STATE_DATA_READ)
return 1;
if (!ossl_quic_stream_has_recv_buffer(qs))
return 0;
if (!ossl_quic_rstream_peek(qs->rstream, buf, sizeof(buf),
&bytes_read, &is_fin))
return 0;
if (is_fin && bytes_read == 0) {
if (!ossl_quic_rstream_read(qs->rstream, buf, sizeof(buf),
&bytes_read, &is_fin))
return 0;
assert(is_fin && bytes_read == 0);
assert(qs->recv_state == QUIC_RSTREAM_STATE_DATA_RECVD);
ossl_quic_stream_map_notify_totally_read(ossl_quic_channel_get_qsm(srv->ch),
qs);
ossl_quic_stream_map_update_state(ossl_quic_channel_get_qsm(srv->ch), qs);
return 1;
}
return 0;
}
int ossl_quic_tserver_write(QUIC_TSERVER *srv,
uint64_t stream_id,
const unsigned char *buf,
size_t buf_len,
size_t *bytes_written)
{
QUIC_STREAM *qs;
if (!ossl_quic_channel_is_active(srv->ch))
return 0;
qs = ossl_quic_stream_map_get_by_id(ossl_quic_channel_get_qsm(srv->ch),
stream_id);
if (qs == NULL || !ossl_quic_stream_has_send_buffer(qs))
return 0;
if (!ossl_quic_sstream_append(qs->sstream,
buf, buf_len, bytes_written))
return 0;
if (*bytes_written > 0)
ossl_quic_stream_map_update_state(ossl_quic_channel_get_qsm(srv->ch), qs);
ossl_quic_tserver_tick(srv);
return 1;
}
int ossl_quic_tserver_conclude(QUIC_TSERVER *srv, uint64_t stream_id)
{
QUIC_STREAM *qs;
if (!ossl_quic_channel_is_active(srv->ch))
return 0;
qs = ossl_quic_stream_map_get_by_id(ossl_quic_channel_get_qsm(srv->ch),
stream_id);
if (qs == NULL || !ossl_quic_stream_has_send_buffer(qs))
return 0;
if (!ossl_quic_sstream_get_final_size(qs->sstream, NULL)) {
ossl_quic_sstream_fin(qs->sstream);
ossl_quic_stream_map_update_state(ossl_quic_channel_get_qsm(srv->ch), qs);
}
ossl_quic_tserver_tick(srv);
return 1;
}
int ossl_quic_tserver_stream_new(QUIC_TSERVER *srv,
int is_uni,
uint64_t *stream_id)
{
QUIC_STREAM *qs;
if (!ossl_quic_channel_is_active(srv->ch))
return 0;
if ((qs = ossl_quic_channel_new_stream_local(srv->ch, is_uni)) == NULL)
return 0;
*stream_id = qs->id;
return 1;
}
BIO *ossl_quic_tserver_get0_rbio(QUIC_TSERVER *srv)
{
return srv->args.net_rbio;
}
SSL_CTX *ossl_quic_tserver_get0_ssl_ctx(QUIC_TSERVER *srv)
{
return srv->ctx;
}
int ossl_quic_tserver_stream_has_peer_stop_sending(QUIC_TSERVER *srv,
uint64_t stream_id,
uint64_t *app_error_code)
{
QUIC_STREAM *qs;
qs = ossl_quic_stream_map_get_by_id(ossl_quic_channel_get_qsm(srv->ch),
stream_id);
if (qs == NULL)
return 0;
if (qs->peer_stop_sending && app_error_code != NULL)
*app_error_code = qs->peer_stop_sending_aec;
return qs->peer_stop_sending;
}
int ossl_quic_tserver_stream_has_peer_reset_stream(QUIC_TSERVER *srv,
uint64_t stream_id,
uint64_t *app_error_code)
{
QUIC_STREAM *qs;
qs = ossl_quic_stream_map_get_by_id(ossl_quic_channel_get_qsm(srv->ch),
stream_id);
if (qs == NULL)
return 0;
if (ossl_quic_stream_recv_is_reset(qs) && app_error_code != NULL)
*app_error_code = qs->peer_reset_stream_aec;
return ossl_quic_stream_recv_is_reset(qs);
}
int ossl_quic_tserver_set_new_local_cid(QUIC_TSERVER *srv,
const QUIC_CONN_ID *conn_id)
{
return ossl_quic_channel_replace_local_cid(srv->ch, conn_id);
}
uint64_t ossl_quic_tserver_pop_incoming_stream(QUIC_TSERVER *srv)
{
QUIC_STREAM_MAP *qsm = ossl_quic_channel_get_qsm(srv->ch);
QUIC_STREAM *qs = ossl_quic_stream_map_peek_accept_queue(qsm);
if (qs == NULL)
return UINT64_MAX;
ossl_quic_stream_map_remove_from_accept_queue(qsm, qs, ossl_time_zero());
return qs->id;
}
int ossl_quic_tserver_is_stream_totally_acked(QUIC_TSERVER *srv,
uint64_t stream_id)
{
QUIC_STREAM *qs;
qs = ossl_quic_stream_map_get_by_id(ossl_quic_channel_get_qsm(srv->ch),
stream_id);
if (qs == NULL)
return 1;
return ossl_quic_sstream_is_totally_acked(qs->sstream);
}
int ossl_quic_tserver_get_net_read_desired(QUIC_TSERVER *srv)
{
return ossl_quic_reactor_net_read_desired(
ossl_quic_channel_get_reactor(srv->ch));
}
int ossl_quic_tserver_get_net_write_desired(QUIC_TSERVER *srv)
{
return ossl_quic_reactor_net_write_desired(
ossl_quic_channel_get_reactor(srv->ch));
}
OSSL_TIME ossl_quic_tserver_get_deadline(QUIC_TSERVER *srv)
{
return ossl_quic_reactor_get_tick_deadline(
ossl_quic_channel_get_reactor(srv->ch));
}
int ossl_quic_tserver_shutdown(QUIC_TSERVER *srv, uint64_t app_error_code)
{
ossl_quic_channel_local_close(srv->ch, app_error_code, NULL);
if (ossl_quic_channel_is_terminated(srv->ch))
return 1;
ossl_quic_reactor_tick(ossl_quic_channel_get_reactor(srv->ch), 0);
return ossl_quic_channel_is_terminated(srv->ch);
}
int ossl_quic_tserver_ping(QUIC_TSERVER *srv)
{
if (ossl_quic_channel_is_terminated(srv->ch))
return 0;
if (!ossl_quic_channel_ping(srv->ch))
return 0;
ossl_quic_reactor_tick(ossl_quic_channel_get_reactor(srv->ch), 0);
return 1;
}
QUIC_CHANNEL *ossl_quic_tserver_get_channel(QUIC_TSERVER *srv)
{
return srv->ch;
}
void ossl_quic_tserver_set_msg_callback(QUIC_TSERVER *srv,
void (*f)(int write_p, int version,
int content_type,
const void *buf, size_t len,
SSL *ssl, void *arg),
void *arg)
{
ossl_quic_channel_set_msg_callback(srv->ch, f, srv->ssl);
ossl_quic_channel_set_msg_callback_arg(srv->ch, arg);
SSL_set_msg_callback(srv->tls, f);
SSL_set_msg_callback_arg(srv->tls, arg);
}
int ossl_quic_tserver_new_ticket(QUIC_TSERVER *srv)
{
return SSL_new_session_ticket(srv->tls);
}
int ossl_quic_tserver_set_max_early_data(QUIC_TSERVER *srv,
uint32_t max_early_data)
{
return SSL_set_max_early_data(srv->tls, max_early_data);
}
void ossl_quic_tserver_set_psk_find_session_cb(QUIC_TSERVER *srv,
SSL_psk_find_session_cb_func cb)
{
SSL_set_psk_find_session_callback(srv->tls, cb);
}
| quic | openssl/ssl/quic/quic_tserver.c | openssl |
#include "internal/quic_port.h"
#include "internal/quic_channel.h"
#include "internal/quic_lcidm.h"
#include "internal/quic_srtm.h"
#include "quic_port_local.h"
#include "quic_channel_local.h"
#include "quic_engine_local.h"
#include "../ssl_local.h"
#define INIT_DCID_LEN 8
static int port_init(QUIC_PORT *port);
static void port_cleanup(QUIC_PORT *port);
static OSSL_TIME get_time(void *arg);
static void port_default_packet_handler(QUIC_URXE *e, void *arg,
const QUIC_CONN_ID *dcid);
static void port_rx_pre(QUIC_PORT *port);
DEFINE_LIST_OF_IMPL(ch, QUIC_CHANNEL);
DEFINE_LIST_OF_IMPL(port, QUIC_PORT);
QUIC_PORT *ossl_quic_port_new(const QUIC_PORT_ARGS *args)
{
QUIC_PORT *port;
if ((port = OPENSSL_zalloc(sizeof(QUIC_PORT))) == NULL)
return NULL;
port->engine = args->engine;
port->channel_ctx = args->channel_ctx;
port->is_multi_conn = args->is_multi_conn;
if (!port_init(port)) {
OPENSSL_free(port);
return NULL;
}
return port;
}
void ossl_quic_port_free(QUIC_PORT *port)
{
if (port == NULL)
return;
port_cleanup(port);
OPENSSL_free(port);
}
static int port_init(QUIC_PORT *port)
{
size_t rx_short_dcid_len = (port->is_multi_conn ? INIT_DCID_LEN : 0);
if (port->engine == NULL || port->channel_ctx == NULL)
goto err;
if ((port->err_state = OSSL_ERR_STATE_new()) == NULL)
goto err;
if ((port->demux = ossl_quic_demux_new(NULL,
rx_short_dcid_len,
get_time, port)) == NULL)
goto err;
ossl_quic_demux_set_default_handler(port->demux,
port_default_packet_handler,
port);
if ((port->srtm = ossl_quic_srtm_new(port->engine->libctx,
port->engine->propq)) == NULL)
goto err;
if ((port->lcidm = ossl_quic_lcidm_new(port->engine->libctx,
rx_short_dcid_len)) == NULL)
goto err;
port->rx_short_dcid_len = (unsigned char)rx_short_dcid_len;
port->tx_init_dcid_len = INIT_DCID_LEN;
port->state = QUIC_PORT_STATE_RUNNING;
ossl_list_port_insert_tail(&port->engine->port_list, port);
port->on_engine_list = 1;
return 1;
err:
port_cleanup(port);
return 0;
}
static void port_cleanup(QUIC_PORT *port)
{
assert(ossl_list_ch_num(&port->channel_list) == 0);
ossl_quic_demux_free(port->demux);
port->demux = NULL;
ossl_quic_srtm_free(port->srtm);
port->srtm = NULL;
ossl_quic_lcidm_free(port->lcidm);
port->lcidm = NULL;
OSSL_ERR_STATE_free(port->err_state);
port->err_state = NULL;
if (port->on_engine_list) {
ossl_list_port_remove(&port->engine->port_list, port);
port->on_engine_list = 0;
}
}
static void port_transition_failed(QUIC_PORT *port)
{
if (port->state == QUIC_PORT_STATE_FAILED)
return;
port->state = QUIC_PORT_STATE_FAILED;
}
int ossl_quic_port_is_running(const QUIC_PORT *port)
{
return port->state == QUIC_PORT_STATE_RUNNING;
}
QUIC_ENGINE *ossl_quic_port_get0_engine(QUIC_PORT *port)
{
return port->engine;
}
QUIC_REACTOR *ossl_quic_port_get0_reactor(QUIC_PORT *port)
{
return ossl_quic_engine_get0_reactor(port->engine);
}
QUIC_DEMUX *ossl_quic_port_get0_demux(QUIC_PORT *port)
{
return port->demux;
}
CRYPTO_MUTEX *ossl_quic_port_get0_mutex(QUIC_PORT *port)
{
return ossl_quic_engine_get0_mutex(port->engine);
}
OSSL_TIME ossl_quic_port_get_time(QUIC_PORT *port)
{
return ossl_quic_engine_get_time(port->engine);
}
static OSSL_TIME get_time(void *port)
{
return ossl_quic_port_get_time((QUIC_PORT *)port);
}
int ossl_quic_port_get_rx_short_dcid_len(const QUIC_PORT *port)
{
return port->rx_short_dcid_len;
}
int ossl_quic_port_get_tx_init_dcid_len(const QUIC_PORT *port)
{
return port->tx_init_dcid_len;
}
static int validate_poll_descriptor(const BIO_POLL_DESCRIPTOR *d)
{
if (d->type == BIO_POLL_DESCRIPTOR_TYPE_SOCK_FD && d->value.fd < 0) {
ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_INVALID_ARGUMENT);
return 0;
}
return 1;
}
BIO *ossl_quic_port_get_net_rbio(QUIC_PORT *port)
{
return port->net_rbio;
}
BIO *ossl_quic_port_get_net_wbio(QUIC_PORT *port)
{
return port->net_wbio;
}
static int port_update_poll_desc(QUIC_PORT *port, BIO *net_bio, int for_write)
{
BIO_POLL_DESCRIPTOR d = {0};
if (net_bio == NULL
|| (!for_write && !BIO_get_rpoll_descriptor(net_bio, &d))
|| (for_write && !BIO_get_wpoll_descriptor(net_bio, &d)))
d.type = BIO_POLL_DESCRIPTOR_TYPE_NONE;
if (!validate_poll_descriptor(&d))
return 0;
if (for_write)
ossl_quic_reactor_set_poll_w(&port->engine->rtor, &d);
else
ossl_quic_reactor_set_poll_r(&port->engine->rtor, &d);
return 1;
}
int ossl_quic_port_update_poll_descriptors(QUIC_PORT *port)
{
int ok = 1;
if (!port_update_poll_desc(port, port->net_rbio, 0))
ok = 0;
if (!port_update_poll_desc(port, port->net_wbio, 1))
ok = 0;
return ok;
}
int ossl_quic_port_set_net_rbio(QUIC_PORT *port, BIO *net_rbio)
{
if (port->net_rbio == net_rbio)
return 1;
if (!port_update_poll_desc(port, net_rbio, 0))
return 0;
ossl_quic_demux_set_bio(port->demux, net_rbio);
port->net_rbio = net_rbio;
return 1;
}
int ossl_quic_port_set_net_wbio(QUIC_PORT *port, BIO *net_wbio)
{
QUIC_CHANNEL *ch;
if (port->net_wbio == net_wbio)
return 1;
if (!port_update_poll_desc(port, net_wbio, 1))
return 0;
LIST_FOREACH(ch, ch, &port->channel_list)
ossl_qtx_set_bio(ch->qtx, net_wbio);
port->net_wbio = net_wbio;
return 1;
}
static SSL *port_new_handshake_layer(QUIC_PORT *port)
{
SSL *tls = NULL;
SSL_CONNECTION *tls_conn = NULL;
tls = ossl_ssl_connection_new_int(port->channel_ctx, TLS_method());
if (tls == NULL || (tls_conn = SSL_CONNECTION_FROM_SSL(tls)) == NULL)
return NULL;
tls_conn->s3.flags |= TLS1_FLAGS_QUIC;
tls_conn->options &= OSSL_QUIC_PERMITTED_OPTIONS_CONN;
tls_conn->pha_enabled = 0;
return tls;
}
static QUIC_CHANNEL *port_make_channel(QUIC_PORT *port, SSL *tls, int is_server)
{
QUIC_CHANNEL_ARGS args = {0};
QUIC_CHANNEL *ch;
args.port = port;
args.is_server = is_server;
args.tls = (tls != NULL ? tls : port_new_handshake_layer(port));
args.lcidm = port->lcidm;
args.srtm = port->srtm;
if (args.tls == NULL)
return NULL;
#ifndef OPENSSL_NO_QLOG
args.use_qlog = 1;
args.qlog_title = args.tls->ctx->qlog_title;
#endif
ch = ossl_quic_channel_new(&args);
if (ch == NULL) {
if (tls == NULL)
SSL_free(args.tls);
return NULL;
}
return ch;
}
QUIC_CHANNEL *ossl_quic_port_create_outgoing(QUIC_PORT *port, SSL *tls)
{
return port_make_channel(port, tls, 0);
}
QUIC_CHANNEL *ossl_quic_port_create_incoming(QUIC_PORT *port, SSL *tls)
{
QUIC_CHANNEL *ch;
assert(port->tserver_ch == NULL);
ch = port_make_channel(port, tls, 1);
port->tserver_ch = ch;
port->is_server = 1;
return ch;
}
void ossl_quic_port_subtick(QUIC_PORT *port, QUIC_TICK_RESULT *res,
uint32_t flags)
{
QUIC_CHANNEL *ch;
res->net_read_desired = 0;
res->net_write_desired = 0;
res->tick_deadline = ossl_time_infinite();
if (!port->engine->inhibit_tick) {
if (ossl_quic_port_is_running(port))
port_rx_pre(port);
LIST_FOREACH(ch, ch, &port->channel_list) {
QUIC_TICK_RESULT subr = {0};
ossl_quic_channel_subtick(ch, &subr, flags);
ossl_quic_tick_result_merge_into(res, &subr);
}
}
}
static void port_rx_pre(QUIC_PORT *port)
{
int ret;
if (!port->is_server && !port->have_sent_any_pkt)
return;
ret = ossl_quic_demux_pump(port->demux);
if (ret == QUIC_DEMUX_PUMP_RES_PERMANENT_FAIL)
ossl_quic_port_raise_net_error(port, NULL);
}
static void port_on_new_conn(QUIC_PORT *port, const BIO_ADDR *peer,
const QUIC_CONN_ID *scid,
const QUIC_CONN_ID *dcid,
QUIC_CHANNEL **new_ch)
{
if (port->tserver_ch != NULL) {
if (!ossl_quic_channel_on_new_conn(port->tserver_ch, peer, scid, dcid))
return;
*new_ch = port->tserver_ch;
port->tserver_ch = NULL;
return;
}
}
static int port_try_handle_stateless_reset(QUIC_PORT *port, const QUIC_URXE *e)
{
size_t i;
const unsigned char *data = ossl_quic_urxe_data(e);
void *opaque = NULL;
if (e->data_len < QUIC_STATELESS_RESET_TOKEN_LEN + 5
|| (0100 & *data) != 0100)
return 0;
for (i = 0;; ++i) {
if (!ossl_quic_srtm_lookup(port->srtm,
(QUIC_STATELESS_RESET_TOKEN *)(data + e->data_len
- sizeof(QUIC_STATELESS_RESET_TOKEN)),
i, &opaque, NULL))
break;
assert(opaque != NULL);
ossl_quic_channel_on_stateless_reset((QUIC_CHANNEL *)opaque);
}
return i > 0;
}
static void port_default_packet_handler(QUIC_URXE *e, void *arg,
const QUIC_CONN_ID *dcid)
{
QUIC_PORT *port = arg;
PACKET pkt;
QUIC_PKT_HDR hdr;
QUIC_CHANNEL *ch = NULL, *new_ch = NULL;
if (!ossl_quic_port_is_running(port))
goto undesirable;
if (port_try_handle_stateless_reset(port, e))
goto undesirable;
if (dcid != NULL
&& ossl_quic_lcidm_lookup(port->lcidm, dcid, NULL,
(void **)&ch)) {
assert(ch != NULL);
ossl_quic_channel_inject(ch, e);
return;
}
if (port->tserver_ch == NULL)
goto undesirable;
if (e->data_len < QUIC_MIN_INITIAL_DGRAM_LEN)
goto undesirable;
if (!PACKET_buf_init(&pkt, ossl_quic_urxe_data(e), e->data_len))
goto undesirable;
if (!ossl_quic_wire_decode_pkt_hdr(&pkt, SIZE_MAX, 1, 0, &hdr, NULL))
goto undesirable;
switch (hdr.version) {
case QUIC_VERSION_1:
break;
case QUIC_VERSION_NONE:
default:
goto undesirable;
}
if (hdr.type != QUIC_PKT_TYPE_INITIAL)
goto undesirable;
port_on_new_conn(port, &e->peer, &hdr.src_conn_id, &hdr.dst_conn_id,
&new_ch);
if (new_ch != NULL)
ossl_qrx_inject_urxe(new_ch->qrx, e);
return;
undesirable:
ossl_quic_demux_release_urxe(port->demux, e);
}
void ossl_quic_port_raise_net_error(QUIC_PORT *port,
QUIC_CHANNEL *triggering_ch)
{
QUIC_CHANNEL *ch;
if (!ossl_quic_port_is_running(port))
return;
ERR_raise_data(ERR_LIB_SSL, SSL_R_QUIC_NETWORK_ERROR,
"port failed due to network BIO I/O error");
OSSL_ERR_STATE_save(port->err_state);
port_transition_failed(port);
if (triggering_ch != NULL)
ossl_quic_channel_raise_net_error(triggering_ch);
LIST_FOREACH(ch, ch, &port->channel_list)
if (ch != triggering_ch)
ossl_quic_channel_raise_net_error(ch);
}
void ossl_quic_port_restore_err_state(const QUIC_PORT *port)
{
ERR_clear_error();
OSSL_ERR_STATE_restore(port->err_state);
}
| quic | openssl/ssl/quic/quic_port.c | openssl |
#include "internal/quic_srt_gen.h"
#include <openssl/core_names.h>
#include <openssl/evp.h>
struct quic_srt_gen_st {
EVP_MAC *mac;
EVP_MAC_CTX *mac_ctx;
};
QUIC_SRT_GEN *ossl_quic_srt_gen_new(OSSL_LIB_CTX *libctx, const char *propq,
const unsigned char *key, size_t key_len)
{
QUIC_SRT_GEN *srt_gen;
OSSL_PARAM params[3], *p = params;
if ((srt_gen = OPENSSL_zalloc(sizeof(*srt_gen))) == NULL)
return NULL;
if ((srt_gen->mac = EVP_MAC_fetch(libctx, "HMAC", propq)) == NULL)
goto err;
if ((srt_gen->mac_ctx = EVP_MAC_CTX_new(srt_gen->mac)) == NULL)
goto err;
*p++ = OSSL_PARAM_construct_utf8_string(OSSL_MAC_PARAM_DIGEST, "SHA256", 7);
if (propq != NULL)
*p++ = OSSL_PARAM_construct_utf8_string(OSSL_MAC_PARAM_PROPERTIES,
(char *)propq, 0);
*p++ = OSSL_PARAM_construct_end();
if (!EVP_MAC_init(srt_gen->mac_ctx, key, key_len, params))
goto err;
return srt_gen;
err:
ossl_quic_srt_gen_free(srt_gen);
return NULL;
}
void ossl_quic_srt_gen_free(QUIC_SRT_GEN *srt_gen)
{
if (srt_gen == NULL)
return;
EVP_MAC_CTX_free(srt_gen->mac_ctx);
EVP_MAC_free(srt_gen->mac);
OPENSSL_free(srt_gen);
}
int ossl_quic_srt_gen_calculate_token(QUIC_SRT_GEN *srt_gen,
const QUIC_CONN_ID *dcid,
QUIC_STATELESS_RESET_TOKEN *token)
{
size_t outl = 0;
unsigned char mac[SHA256_DIGEST_LENGTH];
if (!EVP_MAC_init(srt_gen->mac_ctx, NULL, 0, NULL))
return 0;
if (!EVP_MAC_update(srt_gen->mac_ctx, (const unsigned char *)dcid->id,
dcid->id_len))
return 0;
if (!EVP_MAC_final(srt_gen->mac_ctx, mac, &outl, sizeof(mac))
|| outl != sizeof(mac))
return 0;
assert(sizeof(mac) >= sizeof(token->token));
memcpy(token->token, mac, sizeof(token->token));
return 1;
}
| quic | openssl/ssl/quic/quic_srt_gen.c | openssl |
#include <openssl/ssl.h>
#include "internal/recordmethod.h"
#include "internal/quic_tls.h"
#include "../ssl_local.h"
#include "internal/quic_error.h"
#define QUIC_TLS_FATAL(rl, ad, err) \
do { \
if ((rl) != NULL) (rl)->alert = (ad); \
ERR_raise(ERR_LIB_SSL, (err)); \
if ((rl) != NULL) (rl)->qtls->inerror = 1; \
} while(0)
struct quic_tls_st {
QUIC_TLS_ARGS args;
const unsigned char *local_transport_params;
size_t local_transport_params_len;
ERR_STATE *error_state;
uint64_t error_code;
const char *error_msg;
unsigned int configured : 1;
unsigned int inerror : 1;
unsigned int complete : 1;
};
struct ossl_record_layer_st {
QUIC_TLS *qtls;
int level;
BIO *dummybio;
size_t written;
OSSL_RECORD_TEMPLATE template;
int alert;
size_t recread;
size_t recunreleased;
OSSL_FUNC_rlayer_msg_callback_fn *msg_callback;
void *cbarg;
};
static int quic_set1_bio(OSSL_RECORD_LAYER *rl, BIO *bio);
static int quic_free(OSSL_RECORD_LAYER *r);
static int
quic_new_record_layer(OSSL_LIB_CTX *libctx, const char *propq, int vers,
int role, int direction, int level, uint16_t epoch,
unsigned char *secret, size_t secretlen,
unsigned char *key, size_t keylen, unsigned char *iv,
size_t ivlen, unsigned char *mackey, size_t mackeylen,
const EVP_CIPHER *ciph, size_t taglen,
int mactype,
const EVP_MD *md, COMP_METHOD *comp,
const EVP_MD *kdfdigest, BIO *prev, BIO *transport,
BIO *next, BIO_ADDR *local, BIO_ADDR *peer,
const OSSL_PARAM *settings, const OSSL_PARAM *options,
const OSSL_DISPATCH *fns, void *cbarg, void *rlarg,
OSSL_RECORD_LAYER **retrl)
{
OSSL_RECORD_LAYER *rl = OPENSSL_zalloc(sizeof(*rl));
uint32_t enc_level;
int qdir;
uint32_t suite_id = 0;
if (rl == NULL) {
QUIC_TLS_FATAL(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
rl->qtls = (QUIC_TLS *)rlarg;
rl->level = level;
if (!quic_set1_bio(rl, transport)) {
QUIC_TLS_FATAL(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
rl->cbarg = cbarg;
*retrl = rl;
if (fns != NULL) {
for (; fns->function_id != 0; fns++) {
switch (fns->function_id) {
break;
case OSSL_FUNC_RLAYER_MSG_CALLBACK:
rl->msg_callback = OSSL_FUNC_rlayer_msg_callback(fns);
break;
default:
break;
}
}
}
switch (level) {
case OSSL_RECORD_PROTECTION_LEVEL_NONE:
return 1;
case OSSL_RECORD_PROTECTION_LEVEL_EARLY:
enc_level = QUIC_ENC_LEVEL_0RTT;
break;
case OSSL_RECORD_PROTECTION_LEVEL_HANDSHAKE:
enc_level = QUIC_ENC_LEVEL_HANDSHAKE;
break;
case OSSL_RECORD_PROTECTION_LEVEL_APPLICATION:
enc_level = QUIC_ENC_LEVEL_1RTT;
break;
default:
QUIC_TLS_FATAL(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
if (direction == OSSL_RECORD_DIRECTION_READ)
qdir = 0;
else
qdir = 1;
if (EVP_CIPHER_is_a(ciph, "AES-128-GCM")) {
suite_id = QRL_SUITE_AES128GCM;
} else if (EVP_CIPHER_is_a(ciph, "AES-256-GCM")) {
suite_id = QRL_SUITE_AES256GCM;
} else if (EVP_CIPHER_is_a(ciph, "CHACHA20-POLY1305")) {
suite_id = QRL_SUITE_CHACHA20POLY1305;
} else {
QUIC_TLS_FATAL(rl, SSL_AD_INTERNAL_ERROR, SSL_R_UNKNOWN_CIPHER_TYPE);
goto err;
}
if (!EVP_MD_up_ref((EVP_MD *)kdfdigest)) {
QUIC_TLS_FATAL(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
goto err;
}
if (!rl->qtls->args.yield_secret_cb(enc_level, qdir, suite_id,
(EVP_MD *)kdfdigest, secret, secretlen,
rl->qtls->args.yield_secret_cb_arg)) {
QUIC_TLS_FATAL(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
EVP_MD_free((EVP_MD *)kdfdigest);
goto err;
}
return 1;
err:
*retrl = NULL;
quic_free(rl);
return 0;
}
static int quic_free(OSSL_RECORD_LAYER *rl)
{
if (rl == NULL)
return 1;
BIO_free(rl->dummybio);
OPENSSL_free(rl);
return 1;
}
static int quic_unprocessed_read_pending(OSSL_RECORD_LAYER *rl)
{
return 0;
}
static int quic_processed_read_pending(OSSL_RECORD_LAYER *rl)
{
return 0;
}
static size_t quic_get_max_records(OSSL_RECORD_LAYER *rl, uint8_t type,
size_t len,
size_t maxfrag, size_t *preffrag)
{
return 1;
}
static int quic_write_records(OSSL_RECORD_LAYER *rl,
OSSL_RECORD_TEMPLATE *template,
size_t numtempl)
{
size_t consumed;
unsigned char alert;
if (!ossl_assert(numtempl == 1)) {
QUIC_TLS_FATAL(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return OSSL_RECORD_RETURN_FATAL;
}
BIO_clear_retry_flags(rl->dummybio);
if (rl->msg_callback != NULL) {
unsigned char dummyrec[SSL3_RT_HEADER_LENGTH];
dummyrec[0] = (rl->level == OSSL_RECORD_PROTECTION_LEVEL_NONE)
? template->type
: SSL3_RT_APPLICATION_DATA;
dummyrec[1] = (unsigned char)((template->version >> 8) & 0xff);
dummyrec[2] = (unsigned char)(template->version & 0xff);
dummyrec[3] = (unsigned char)((template->buflen >> 8) & 0xff);
dummyrec[4] = (unsigned char)(template->buflen & 0xff);
rl->msg_callback(1, TLS1_3_VERSION, SSL3_RT_HEADER, dummyrec,
SSL3_RT_HEADER_LENGTH, rl->cbarg);
if (rl->level != OSSL_RECORD_PROTECTION_LEVEL_NONE) {
rl->msg_callback(1, TLS1_3_VERSION, SSL3_RT_INNER_CONTENT_TYPE,
&template->type, 1, rl->cbarg);
}
}
switch (template->type) {
case SSL3_RT_ALERT:
if (template->buflen != 2) {
QUIC_TLS_FATAL(rl, SSL_AD_INTERNAL_ERROR, SSL_R_BAD_VALUE);
return OSSL_RECORD_RETURN_FATAL;
}
alert = template->buf[1];
if (!rl->qtls->args.alert_cb(rl->qtls->args.alert_cb_arg, alert)) {
QUIC_TLS_FATAL(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return OSSL_RECORD_RETURN_FATAL;
}
break;
case SSL3_RT_HANDSHAKE:
if (!rl->qtls->args.crypto_send_cb(template->buf + rl->written,
template->buflen - rl->written,
&consumed,
rl->qtls->args.crypto_send_cb_arg)) {
QUIC_TLS_FATAL(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return OSSL_RECORD_RETURN_FATAL;
}
if (consumed + rl->written != template->buflen) {
if (!ossl_assert(consumed + rl->written < template->buflen)) {
QUIC_TLS_FATAL(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return OSSL_RECORD_RETURN_FATAL;
}
rl->written += consumed;
rl->template = *template;
BIO_set_retry_write(rl->dummybio);
return OSSL_RECORD_RETURN_RETRY;
}
rl->written = 0;
break;
default:
QUIC_TLS_FATAL(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return OSSL_RECORD_RETURN_FATAL;
}
return OSSL_RECORD_RETURN_SUCCESS;
}
static int quic_retry_write_records(OSSL_RECORD_LAYER *rl)
{
return quic_write_records(rl, &rl->template, 1);
}
static int quic_read_record(OSSL_RECORD_LAYER *rl, void **rechandle,
int *rversion, uint8_t *type, const unsigned char **data,
size_t *datalen, uint16_t *epoch,
unsigned char *seq_num)
{
if (rl->recread != 0 || rl->recunreleased != 0)
return OSSL_RECORD_RETURN_FATAL;
BIO_clear_retry_flags(rl->dummybio);
if (!rl->qtls->args.crypto_recv_rcd_cb(data, datalen,
rl->qtls->args.crypto_recv_rcd_cb_arg)) {
QUIC_TLS_FATAL(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return OSSL_RECORD_RETURN_FATAL;
}
if (*datalen == 0) {
BIO_set_retry_read(rl->dummybio);
return OSSL_RECORD_RETURN_RETRY;
}
*rechandle = rl;
*rversion = TLS1_3_VERSION;
*type = SSL3_RT_HANDSHAKE;
rl->recread = rl->recunreleased = *datalen;
if (rl->msg_callback != NULL) {
unsigned char dummyrec[SSL3_RT_HEADER_LENGTH];
dummyrec[0] = (rl->level == OSSL_RECORD_PROTECTION_LEVEL_NONE)
? SSL3_RT_HANDSHAKE
: SSL3_RT_APPLICATION_DATA;
dummyrec[1] = (unsigned char)((TLS1_2_VERSION >> 8) & 0xff);
dummyrec[2] = (unsigned char)(TLS1_2_VERSION & 0xff);
dummyrec[3] = (unsigned char)((*datalen >> 8) & 0xff);
dummyrec[4] = (unsigned char)(*datalen & 0xff);
rl->msg_callback(0, TLS1_3_VERSION, SSL3_RT_HEADER, dummyrec,
SSL3_RT_HEADER_LENGTH, rl->cbarg);
rl->msg_callback(0, TLS1_3_VERSION, SSL3_RT_INNER_CONTENT_TYPE, type, 1,
rl->cbarg);
}
return OSSL_RECORD_RETURN_SUCCESS;
}
static int quic_release_record(OSSL_RECORD_LAYER *rl, void *rechandle,
size_t length)
{
if (!ossl_assert(rl->recread > 0)
|| !ossl_assert(rl->recunreleased <= rl->recread)
|| !ossl_assert(rl == rechandle)
|| !ossl_assert(length <= rl->recunreleased)) {
QUIC_TLS_FATAL(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return OSSL_RECORD_RETURN_FATAL;
}
rl->recunreleased -= length;
if (rl->recunreleased > 0)
return OSSL_RECORD_RETURN_SUCCESS;
if (!rl->qtls->args.crypto_release_rcd_cb(rl->recread,
rl->qtls->args.crypto_release_rcd_cb_arg)) {
QUIC_TLS_FATAL(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return OSSL_RECORD_RETURN_FATAL;
}
rl->recread = 0;
return OSSL_RECORD_RETURN_SUCCESS;
}
static int quic_get_alert_code(OSSL_RECORD_LAYER *rl)
{
return rl->alert;
}
static int quic_set_protocol_version(OSSL_RECORD_LAYER *rl, int version)
{
if (!ossl_assert(version == TLS1_3_VERSION)) {
QUIC_TLS_FATAL(rl, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
return 0;
}
return 1;
}
static void quic_set_plain_alerts(OSSL_RECORD_LAYER *rl, int allow)
{
}
static void quic_set_first_handshake(OSSL_RECORD_LAYER *rl, int first)
{
}
static void quic_set_max_pipelines(OSSL_RECORD_LAYER *rl, size_t max_pipelines)
{
}
static void quic_get_state(OSSL_RECORD_LAYER *rl, const char **shortstr,
const char **longstr)
{
if (rl->qtls->inerror) {
if (shortstr != NULL)
*shortstr = "unknown";
if (longstr != NULL)
*longstr = "unknown";
} else {
if (shortstr != NULL)
*shortstr = "RH";
if (longstr != NULL)
*longstr = "read header";
}
}
static int quic_set_options(OSSL_RECORD_LAYER *rl, const OSSL_PARAM *options)
{
return 1;
}
static const COMP_METHOD *quic_get_compression(OSSL_RECORD_LAYER *rl)
{
return NULL;
}
static void quic_set_max_frag_len(OSSL_RECORD_LAYER *rl, size_t max_frag_len)
{
}
static int quic_alloc_buffers(OSSL_RECORD_LAYER *rl)
{
return 1;
}
static int quic_free_buffers(OSSL_RECORD_LAYER *rl)
{
return 1;
}
static int quic_set1_bio(OSSL_RECORD_LAYER *rl, BIO *bio)
{
if (bio != NULL && !BIO_up_ref(bio))
return 0;
BIO_free(rl->dummybio);
rl->dummybio = bio;
return 1;
}
static size_t quic_app_data_pending(OSSL_RECORD_LAYER *rl)
{
QUIC_TLS_FATAL(rl, SSL_AD_INTERNAL_ERROR, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
return (size_t)ossl_assert(0);
}
static size_t quic_get_max_record_overhead(OSSL_RECORD_LAYER *rl)
{
QUIC_TLS_FATAL(rl, SSL_AD_INTERNAL_ERROR, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
return (size_t)ossl_assert(0);
}
static int quic_increment_sequence_ctr(OSSL_RECORD_LAYER *rl)
{
QUIC_TLS_FATAL(rl, SSL_AD_INTERNAL_ERROR, ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED);
return ossl_assert(0);
}
static const OSSL_RECORD_METHOD quic_tls_record_method = {
quic_new_record_layer,
quic_free,
quic_unprocessed_read_pending,
quic_processed_read_pending,
quic_app_data_pending,
quic_get_max_records,
quic_write_records,
quic_retry_write_records,
quic_read_record,
quic_release_record,
quic_get_alert_code,
quic_set1_bio,
quic_set_protocol_version,
quic_set_plain_alerts,
quic_set_first_handshake,
quic_set_max_pipelines,
NULL,
quic_get_state,
quic_set_options,
quic_get_compression,
quic_set_max_frag_len,
quic_get_max_record_overhead,
quic_increment_sequence_ctr,
quic_alloc_buffers,
quic_free_buffers
};
static int add_transport_params_cb(SSL *s, unsigned int ext_type,
unsigned int context,
const unsigned char **out, size_t *outlen,
X509 *x, size_t chainidx, int *al,
void *add_arg)
{
QUIC_TLS *qtls = add_arg;
*out = qtls->local_transport_params;
*outlen = qtls->local_transport_params_len;
return 1;
}
static void free_transport_params_cb(SSL *s, unsigned int ext_type,
unsigned int context,
const unsigned char *out,
void *add_arg)
{
}
static int parse_transport_params_cb(SSL *s, unsigned int ext_type,
unsigned int context,
const unsigned char *in,
size_t inlen, X509 *x,
size_t chainidx,
int *al, void *parse_arg)
{
QUIC_TLS *qtls = parse_arg;
return qtls->args.got_transport_params_cb(in, inlen,
qtls->args.got_transport_params_cb_arg);
}
QUIC_TLS *ossl_quic_tls_new(const QUIC_TLS_ARGS *args)
{
QUIC_TLS *qtls;
if (args->crypto_send_cb == NULL
|| args->crypto_recv_rcd_cb == NULL
|| args->crypto_release_rcd_cb == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_NULL_PARAMETER);
return NULL;
}
qtls = OPENSSL_zalloc(sizeof(*qtls));
if (qtls == NULL)
return NULL;
if ((qtls->error_state = OSSL_ERR_STATE_new()) == NULL) {
OPENSSL_free(qtls);
return NULL;
}
qtls->args = *args;
return qtls;
}
void ossl_quic_tls_free(QUIC_TLS *qtls)
{
if (qtls == NULL)
return;
OSSL_ERR_STATE_free(qtls->error_state);
OPENSSL_free(qtls);
}
static int raise_error(QUIC_TLS *qtls, uint64_t error_code,
const char *error_msg,
const char *src_file,
int src_line,
const char *src_func)
{
ERR_new();
ERR_set_debug(src_file, src_line, src_func);
ERR_set_error(ERR_LIB_SSL, SSL_R_QUIC_HANDSHAKE_LAYER_ERROR,
"handshake layer error, error code %llu (0x%llx) (\"%s\")",
error_code, error_code, error_msg);
OSSL_ERR_STATE_save_to_mark(qtls->error_state);
qtls->error_code = error_code;
qtls->error_msg = error_msg;
qtls->inerror = 1;
ERR_pop_to_mark();
return 0;
}
#define RAISE_ERROR(qtls, error_code, error_msg) \
raise_error((qtls), (error_code), (error_msg), \
OPENSSL_FILE, OPENSSL_LINE, OPENSSL_FUNC)
#define RAISE_INTERNAL_ERROR(qtls) \
RAISE_ERROR((qtls), OSSL_QUIC_ERR_INTERNAL_ERROR, "internal error")
int ossl_quic_tls_tick(QUIC_TLS *qtls)
{
int ret, err;
const unsigned char *alpn;
unsigned int alpnlen;
if (qtls->inerror)
return 0;
ERR_set_mark();
if (!qtls->configured) {
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(qtls->args.s);
SSL_CTX *sctx = SSL_CONNECTION_GET_CTX(sc);
BIO *nullbio;
if (qtls->args.is_server) {
if (sctx->ext.alpn_select_cb == NULL)
return RAISE_INTERNAL_ERROR(qtls);
} else {
if (sc->ext.alpn == NULL || sc->ext.alpn_len == 0)
return RAISE_ERROR(qtls, OSSL_QUIC_ERR_CRYPTO_NO_APP_PROTO,
"ALPN must be configured when using QUIC");
}
if (!SSL_set_min_proto_version(qtls->args.s, TLS1_3_VERSION))
return RAISE_INTERNAL_ERROR(qtls);
SSL_clear_options(qtls->args.s, SSL_OP_ENABLE_MIDDLEBOX_COMPAT);
ossl_ssl_set_custom_record_layer(sc, &quic_tls_record_method, qtls);
if (!ossl_tls_add_custom_ext_intern(NULL, &sc->cert->custext,
qtls->args.is_server ? ENDPOINT_SERVER
: ENDPOINT_CLIENT,
TLSEXT_TYPE_quic_transport_parameters,
SSL_EXT_TLS1_3_ONLY
| SSL_EXT_CLIENT_HELLO
| SSL_EXT_TLS1_3_ENCRYPTED_EXTENSIONS,
add_transport_params_cb,
free_transport_params_cb, qtls,
parse_transport_params_cb, qtls))
return RAISE_INTERNAL_ERROR(qtls);
nullbio = BIO_new(BIO_s_null());
if (nullbio == NULL)
return RAISE_INTERNAL_ERROR(qtls);
SSL_set_bio(qtls->args.s, nullbio, nullbio);
if (qtls->args.is_server)
SSL_set_accept_state(qtls->args.s);
else
SSL_set_connect_state(qtls->args.s);
qtls->configured = 1;
}
if (qtls->complete)
ret = SSL_read(qtls->args.s, NULL, 0);
else
ret = SSL_do_handshake(qtls->args.s);
if (ret <= 0) {
err = ossl_ssl_get_error(qtls->args.s, ret,
ERR_count_to_mark() > 0);
switch (err) {
case SSL_ERROR_WANT_READ:
case SSL_ERROR_WANT_WRITE:
case SSL_ERROR_WANT_CLIENT_HELLO_CB:
case SSL_ERROR_WANT_X509_LOOKUP:
case SSL_ERROR_WANT_RETRY_VERIFY:
ERR_pop_to_mark();
return 1;
default:
return RAISE_INTERNAL_ERROR(qtls);
}
}
if (!qtls->complete) {
SSL_get0_alpn_selected(qtls->args.s, &alpn, &alpnlen);
if (alpn == NULL || alpnlen == 0)
return RAISE_ERROR(qtls, OSSL_QUIC_ERR_CRYPTO_NO_APP_PROTO,
"no application protocol negotiated");
qtls->complete = 1;
ERR_pop_to_mark();
return qtls->args.handshake_complete_cb(qtls->args.handshake_complete_cb_arg);
}
ERR_pop_to_mark();
return 1;
}
int ossl_quic_tls_set_transport_params(QUIC_TLS *qtls,
const unsigned char *transport_params,
size_t transport_params_len)
{
qtls->local_transport_params = transport_params;
qtls->local_transport_params_len = transport_params_len;
return 1;
}
int ossl_quic_tls_get_error(QUIC_TLS *qtls,
uint64_t *error_code,
const char **error_msg,
ERR_STATE **error_state)
{
if (qtls->inerror) {
*error_code = qtls->error_code;
*error_msg = qtls->error_msg;
*error_state = qtls->error_state;
}
return qtls->inerror;
}
int ossl_quic_tls_is_cert_request(QUIC_TLS *qtls)
{
SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(qtls->args.s);
return sc->s3.tmp.message_type == SSL3_MT_CERTIFICATE_REQUEST;
}
int ossl_quic_tls_has_bad_max_early_data(QUIC_TLS *qtls)
{
uint32_t max_early_data = SSL_get0_session(qtls->args.s)->ext.max_early_data;
return max_early_data != 0xffffffff && max_early_data != 0;
}
| quic | openssl/ssl/quic/quic_tls.c | openssl |
#include <openssl/err.h>
#include "internal/common.h"
#include "internal/time.h"
#include "internal/quic_stream.h"
#include "internal/quic_sf_list.h"
#include "internal/ring_buf.h"
struct quic_rstream_st {
SFRAME_LIST fl;
QUIC_RXFC *rxfc;
OSSL_STATM *statm;
UINT_RANGE head_range;
struct ring_buf rbuf;
};
QUIC_RSTREAM *ossl_quic_rstream_new(QUIC_RXFC *rxfc,
OSSL_STATM *statm, size_t rbuf_size)
{
QUIC_RSTREAM *ret = OPENSSL_zalloc(sizeof(*ret));
if (ret == NULL)
return NULL;
ring_buf_init(&ret->rbuf);
if (!ring_buf_resize(&ret->rbuf, rbuf_size, 0)) {
OPENSSL_free(ret);
return NULL;
}
ossl_sframe_list_init(&ret->fl);
ret->rxfc = rxfc;
ret->statm = statm;
return ret;
}
void ossl_quic_rstream_free(QUIC_RSTREAM *qrs)
{
int cleanse;
if (qrs == NULL)
return;
cleanse = qrs->fl.cleanse;
ossl_sframe_list_destroy(&qrs->fl);
ring_buf_destroy(&qrs->rbuf, cleanse);
OPENSSL_free(qrs);
}
int ossl_quic_rstream_queue_data(QUIC_RSTREAM *qrs, OSSL_QRX_PKT *pkt,
uint64_t offset,
const unsigned char *data, uint64_t data_len,
int fin)
{
UINT_RANGE range;
if ((data == NULL && data_len != 0) || (data_len == 0 && fin == 0)) {
ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
return 0;
}
range.start = offset;
range.end = offset + data_len;
return ossl_sframe_list_insert(&qrs->fl, &range, pkt, data, fin);
}
static int read_internal(QUIC_RSTREAM *qrs, unsigned char *buf, size_t size,
size_t *readbytes, int *fin, int drop)
{
void *iter = NULL;
UINT_RANGE range;
const unsigned char *data;
uint64_t offset = 0;
size_t readbytes_ = 0;
int fin_ = 0, ret = 1;
while (ossl_sframe_list_peek(&qrs->fl, &iter, &range, &data, &fin_)) {
size_t l = (size_t)(range.end - range.start);
if (l > size) {
l = size;
fin_ = 0;
}
offset = range.start + l;
if (l == 0)
break;
if (data == NULL) {
size_t max_len;
data = ring_buf_get_ptr(&qrs->rbuf, range.start, &max_len);
if (!ossl_assert(data != NULL))
return 0;
if (max_len < l) {
memcpy(buf, data, max_len);
size -= max_len;
buf += max_len;
readbytes_ += max_len;
l -= max_len;
data = ring_buf_get_ptr(&qrs->rbuf, range.start + max_len,
&max_len);
if (!ossl_assert(data != NULL) || !ossl_assert(max_len > l))
return 0;
}
}
memcpy(buf, data, l);
size -= l;
buf += l;
readbytes_ += l;
if (size == 0)
break;
}
if (drop && offset != 0) {
ret = ossl_sframe_list_drop_frames(&qrs->fl, offset);
ring_buf_cpop_range(&qrs->rbuf, 0, offset - 1, qrs->fl.cleanse);
}
if (ret) {
*readbytes = readbytes_;
*fin = fin_;
}
return ret;
}
static OSSL_TIME get_rtt(QUIC_RSTREAM *qrs)
{
OSSL_TIME rtt;
if (qrs->statm != NULL) {
OSSL_RTT_INFO rtt_info;
ossl_statm_get_rtt_info(qrs->statm, &rtt_info);
rtt = rtt_info.smoothed_rtt;
} else {
rtt = ossl_time_zero();
}
return rtt;
}
int ossl_quic_rstream_read(QUIC_RSTREAM *qrs, unsigned char *buf, size_t size,
size_t *readbytes, int *fin)
{
OSSL_TIME rtt = get_rtt(qrs);
if (!read_internal(qrs, buf, size, readbytes, fin, 1))
return 0;
if (qrs->rxfc != NULL
&& !ossl_quic_rxfc_on_retire(qrs->rxfc, *readbytes, rtt))
return 0;
return 1;
}
int ossl_quic_rstream_peek(QUIC_RSTREAM *qrs, unsigned char *buf, size_t size,
size_t *readbytes, int *fin)
{
return read_internal(qrs, buf, size, readbytes, fin, 0);
}
int ossl_quic_rstream_available(QUIC_RSTREAM *qrs, size_t *avail, int *fin)
{
void *iter = NULL;
UINT_RANGE range;
const unsigned char *data;
uint64_t avail_ = 0;
while (ossl_sframe_list_peek(&qrs->fl, &iter, &range, &data, fin))
avail_ += range.end - range.start;
#if SIZE_MAX < UINT64_MAX
*avail = avail_ > SIZE_MAX ? SIZE_MAX : (size_t)avail_;
#else
*avail = (size_t)avail_;
#endif
return 1;
}
int ossl_quic_rstream_get_record(QUIC_RSTREAM *qrs,
const unsigned char **record, size_t *rec_len,
int *fin)
{
const unsigned char *record_ = NULL;
size_t rec_len_, max_len;
if (!ossl_sframe_list_lock_head(&qrs->fl, &qrs->head_range, &record_, fin)) {
*record = NULL;
*rec_len = 0;
return 1;
}
if (qrs->head_range.end == qrs->head_range.start) {
if (!ossl_assert(*fin))
return 0;
if (!ossl_sframe_list_drop_frames(&qrs->fl, qrs->head_range.end))
return 0;
}
rec_len_ = (size_t)(qrs->head_range.end - qrs->head_range.start);
if (record_ == NULL && rec_len_ != 0) {
record_ = ring_buf_get_ptr(&qrs->rbuf, qrs->head_range.start,
&max_len);
if (!ossl_assert(record_ != NULL))
return 0;
if (max_len < rec_len_) {
rec_len_ = max_len;
qrs->head_range.end = qrs->head_range.start + max_len;
}
}
*rec_len = rec_len_;
*record = record_;
return 1;
}
int ossl_quic_rstream_release_record(QUIC_RSTREAM *qrs, size_t read_len)
{
uint64_t offset;
if (!ossl_sframe_list_is_head_locked(&qrs->fl))
return 0;
if (read_len > qrs->head_range.end - qrs->head_range.start) {
if (read_len != SIZE_MAX)
return 0;
offset = qrs->head_range.end;
} else {
offset = qrs->head_range.start + read_len;
}
if (!ossl_sframe_list_drop_frames(&qrs->fl, offset))
return 0;
if (offset > 0)
ring_buf_cpop_range(&qrs->rbuf, 0, offset - 1, qrs->fl.cleanse);
if (qrs->rxfc != NULL) {
OSSL_TIME rtt = get_rtt(qrs);
if (!ossl_quic_rxfc_on_retire(qrs->rxfc, offset, rtt))
return 0;
}
return 1;
}
static int write_at_ring_buf_cb(uint64_t logical_offset,
const unsigned char *buf,
size_t buf_len,
void *cb_arg)
{
struct ring_buf *rbuf = cb_arg;
return ring_buf_write_at(rbuf, logical_offset, buf, buf_len);
}
int ossl_quic_rstream_move_to_rbuf(QUIC_RSTREAM *qrs)
{
if (ring_buf_avail(&qrs->rbuf) == 0)
return 0;
return ossl_sframe_list_move_data(&qrs->fl,
write_at_ring_buf_cb, &qrs->rbuf);
}
int ossl_quic_rstream_resize_rbuf(QUIC_RSTREAM *qrs, size_t rbuf_size)
{
if (ossl_sframe_list_is_head_locked(&qrs->fl))
return 0;
if (!ring_buf_resize(&qrs->rbuf, rbuf_size, qrs->fl.cleanse))
return 0;
return 1;
}
void ossl_quic_rstream_set_cleanse(QUIC_RSTREAM *qrs, int cleanse)
{
qrs->fl.cleanse = cleanse;
}
| quic | openssl/ssl/quic/quic_rstream.c | openssl |
#include "internal/quic_engine.h"
#include "internal/quic_port.h"
#include "quic_engine_local.h"
#include "quic_port_local.h"
#include "../ssl_local.h"
static int qeng_init(QUIC_ENGINE *qeng);
static void qeng_cleanup(QUIC_ENGINE *qeng);
static void qeng_tick(QUIC_TICK_RESULT *res, void *arg, uint32_t flags);
DEFINE_LIST_OF_IMPL(port, QUIC_PORT);
QUIC_ENGINE *ossl_quic_engine_new(const QUIC_ENGINE_ARGS *args)
{
QUIC_ENGINE *qeng;
if ((qeng = OPENSSL_zalloc(sizeof(QUIC_ENGINE))) == NULL)
return NULL;
qeng->libctx = args->libctx;
qeng->propq = args->propq;
qeng->mutex = args->mutex;
qeng->now_cb = args->now_cb;
qeng->now_cb_arg = args->now_cb_arg;
if (!qeng_init(qeng)) {
OPENSSL_free(qeng);
return NULL;
}
return qeng;
}
void ossl_quic_engine_free(QUIC_ENGINE *qeng)
{
if (qeng == NULL)
return;
qeng_cleanup(qeng);
OPENSSL_free(qeng);
}
static int qeng_init(QUIC_ENGINE *qeng)
{
ossl_quic_reactor_init(&qeng->rtor, qeng_tick, qeng, ossl_time_zero());
return 1;
}
static void qeng_cleanup(QUIC_ENGINE *qeng)
{
assert(ossl_list_port_num(&qeng->port_list) == 0);
}
QUIC_REACTOR *ossl_quic_engine_get0_reactor(QUIC_ENGINE *qeng)
{
return &qeng->rtor;
}
CRYPTO_MUTEX *ossl_quic_engine_get0_mutex(QUIC_ENGINE *qeng)
{
return qeng->mutex;
}
OSSL_TIME ossl_quic_engine_get_time(QUIC_ENGINE *qeng)
{
if (qeng->now_cb == NULL)
return ossl_time_now();
return qeng->now_cb(qeng->now_cb_arg);
}
void ossl_quic_engine_set_inhibit_tick(QUIC_ENGINE *qeng, int inhibit)
{
qeng->inhibit_tick = (inhibit != 0);
}
QUIC_PORT *ossl_quic_engine_create_port(QUIC_ENGINE *qeng,
const QUIC_PORT_ARGS *args)
{
QUIC_PORT_ARGS largs = *args;
if (ossl_list_port_num(&qeng->port_list) > 0)
return NULL;
if (largs.engine != NULL)
return NULL;
largs.engine = qeng;
return ossl_quic_port_new(&largs);
}
static void qeng_tick(QUIC_TICK_RESULT *res, void *arg, uint32_t flags)
{
QUIC_ENGINE *qeng = arg;
QUIC_PORT *port;
res->net_read_desired = 0;
res->net_write_desired = 0;
res->tick_deadline = ossl_time_infinite();
if (qeng->inhibit_tick)
return;
LIST_FOREACH(port, port, &qeng->port_list) {
QUIC_TICK_RESULT subr = {0};
ossl_quic_port_subtick(port, &subr, flags);
ossl_quic_tick_result_merge_into(res, &subr);
}
}
| quic | openssl/ssl/quic/quic_engine.c | openssl |
#include <openssl/bio.h>
#include "../ssl_local.h"
#include "internal/quic_wire_pkt.h"
static const char *packet_type(int type)
{
switch (type) {
case QUIC_PKT_TYPE_INITIAL:
return "Initial";
case QUIC_PKT_TYPE_0RTT:
return "0RTT";
case QUIC_PKT_TYPE_HANDSHAKE:
return "Handshake";
case QUIC_PKT_TYPE_RETRY:
return "Retry";
case QUIC_PKT_TYPE_1RTT:
return "1RTT";
case QUIC_PKT_TYPE_VERSION_NEG:
return "VersionNeg";
default:
return "Unknown";
}
}
static void put_str(BIO *bio, char *str, size_t slen)
{
size_t i;
for (i = 0; i < slen; i++)
BIO_printf(bio, "%c", str[i]);
}
static void put_data(BIO *bio, const uint8_t *data, size_t datalen)
{
size_t i;
for (i = 0; i < datalen; i++)
BIO_printf(bio, "%02x", data[i]);
}
static void put_conn_id(BIO *bio, QUIC_CONN_ID *id)
{
if (id->id_len == 0) {
BIO_puts(bio, "<zero length id>");
return;
}
BIO_puts(bio, "0x");
put_data(bio, id->id, id->id_len);
}
static void put_token(BIO *bio, const uint8_t *token, size_t token_len)
{
if (token_len == 0)
BIO_puts(bio, "<zero length token>");
else
put_data(bio, token, token_len);
}
static int frame_ack(BIO *bio, PACKET *pkt)
{
OSSL_QUIC_FRAME_ACK ack;
OSSL_QUIC_ACK_RANGE *ack_ranges = NULL;
uint64_t total_ranges = 0;
uint64_t i;
if (!ossl_quic_wire_peek_frame_ack_num_ranges(pkt, &total_ranges)
|| total_ranges > SIZE_MAX / sizeof(ack_ranges[0])
|| (ack_ranges = OPENSSL_zalloc(sizeof(ack_ranges[0])
* (size_t)total_ranges)) == NULL)
return 0;
ack.ack_ranges = ack_ranges;
ack.num_ack_ranges = (size_t)total_ranges;
if (!ossl_quic_wire_decode_frame_ack(pkt, 0, &ack, NULL))
return 0;
BIO_printf(bio, " Largest acked: %llu\n",
(unsigned long long)ack.ack_ranges[0].end);
BIO_printf(bio, " Ack delay (raw) %llu\n",
(unsigned long long)ossl_time2ticks(ack.delay_time));
BIO_printf(bio, " Ack range count: %llu\n",
(unsigned long long)total_ranges - 1);
BIO_printf(bio, " First ack range: %llu\n",
(unsigned long long)(ack.ack_ranges[0].end
- ack.ack_ranges[0].start));
for (i = 1; i < total_ranges; i++) {
BIO_printf(bio, " Gap: %llu\n",
(unsigned long long)(ack.ack_ranges[i - 1].start
- ack.ack_ranges[i].end - 2));
BIO_printf(bio, " Ack range len: %llu\n",
(unsigned long long)(ack.ack_ranges[i].end
- ack.ack_ranges[i].start));
}
OPENSSL_free(ack_ranges);
return 1;
}
static int frame_reset_stream(BIO *bio, PACKET *pkt)
{
OSSL_QUIC_FRAME_RESET_STREAM frame_data;
if (!ossl_quic_wire_decode_frame_reset_stream(pkt, &frame_data))
return 0;
BIO_printf(bio, " Stream id: %llu\n",
(unsigned long long)frame_data.stream_id);
BIO_printf(bio, " App Protocol Error Code: %llu\n",
(unsigned long long)frame_data.app_error_code);
BIO_printf(bio, " Final size: %llu\n",
(unsigned long long)frame_data.final_size);
return 1;
}
static int frame_stop_sending(BIO *bio, PACKET *pkt)
{
OSSL_QUIC_FRAME_STOP_SENDING frame_data;
if (!ossl_quic_wire_decode_frame_stop_sending(pkt, &frame_data))
return 0;
BIO_printf(bio, " Stream id: %llu\n",
(unsigned long long)frame_data.stream_id);
BIO_printf(bio, " App Protocol Error Code: %llu\n",
(unsigned long long)frame_data.app_error_code);
return 1;
}
static int frame_crypto(BIO *bio, PACKET *pkt)
{
OSSL_QUIC_FRAME_CRYPTO frame_data;
if (!ossl_quic_wire_decode_frame_crypto(pkt, 1, &frame_data))
return 0;
BIO_printf(bio, " Offset: %llu\n", (unsigned long long)frame_data.offset);
BIO_printf(bio, " Len: %llu\n", (unsigned long long)frame_data.len);
return 1;
}
static int frame_new_token(BIO *bio, PACKET *pkt)
{
const uint8_t *token;
size_t token_len;
if (!ossl_quic_wire_decode_frame_new_token(pkt, &token, &token_len))
return 0;
BIO_puts(bio, " Token: ");
put_token(bio, token, token_len);
BIO_puts(bio, "\n");
return 1;
}
static int frame_stream(BIO *bio, PACKET *pkt, uint64_t frame_type)
{
OSSL_QUIC_FRAME_STREAM frame_data;
BIO_puts(bio, "Stream");
switch(frame_type) {
case OSSL_QUIC_FRAME_TYPE_STREAM:
BIO_puts(bio, "\n");
break;
case OSSL_QUIC_FRAME_TYPE_STREAM_FIN:
BIO_puts(bio, " (Fin)\n");
break;
case OSSL_QUIC_FRAME_TYPE_STREAM_LEN:
BIO_puts(bio, " (Len)\n");
break;
case OSSL_QUIC_FRAME_TYPE_STREAM_LEN_FIN:
BIO_puts(bio, " (Len, Fin)\n");
break;
case OSSL_QUIC_FRAME_TYPE_STREAM_OFF:
BIO_puts(bio, " (Off)\n");
break;
case OSSL_QUIC_FRAME_TYPE_STREAM_OFF_FIN:
BIO_puts(bio, " (Off, Fin)\n");
break;
case OSSL_QUIC_FRAME_TYPE_STREAM_OFF_LEN:
BIO_puts(bio, " (Off, Len)\n");
break;
case OSSL_QUIC_FRAME_TYPE_STREAM_OFF_LEN_FIN:
BIO_puts(bio, " (Off, Len, Fin)\n");
break;
default:
return 0;
}
if (!ossl_quic_wire_decode_frame_stream(pkt, 1, &frame_data))
return 0;
BIO_printf(bio, " Stream id: %llu\n",
(unsigned long long)frame_data.stream_id);
BIO_printf(bio, " Offset: %llu\n",
(unsigned long long)frame_data.offset);
if (frame_data.has_explicit_len)
BIO_printf(bio, " Len: %llu\n", (unsigned long long)frame_data.len);
else
BIO_puts(bio, " Len: <implicit length>\n");
return 1;
}
static int frame_max_data(BIO *bio, PACKET *pkt)
{
uint64_t max_data = 0;
if (!ossl_quic_wire_decode_frame_max_data(pkt, &max_data))
return 0;
BIO_printf(bio, " Max Data: %llu\n", (unsigned long long)max_data);
return 1;
}
static int frame_max_stream_data(BIO *bio, PACKET *pkt)
{
uint64_t stream_id = 0;
uint64_t max_stream_data = 0;
if (!ossl_quic_wire_decode_frame_max_stream_data(pkt, &stream_id,
&max_stream_data))
return 0;
BIO_printf(bio, " Max Stream Data: %llu\n",
(unsigned long long)max_stream_data);
return 1;
}
static int frame_max_streams(BIO *bio, PACKET *pkt)
{
uint64_t max_streams = 0;
if (!ossl_quic_wire_decode_frame_max_streams(pkt, &max_streams))
return 0;
BIO_printf(bio, " Max Streams: %llu\n", (unsigned long long)max_streams);
return 1;
}
static int frame_data_blocked(BIO *bio, PACKET *pkt)
{
uint64_t max_data = 0;
if (!ossl_quic_wire_decode_frame_data_blocked(pkt, &max_data))
return 0;
BIO_printf(bio, " Max Data: %llu\n", (unsigned long long)max_data);
return 1;
}
static int frame_stream_data_blocked(BIO *bio, PACKET *pkt)
{
uint64_t stream_id = 0;
uint64_t max_data = 0;
if (!ossl_quic_wire_decode_frame_stream_data_blocked(pkt, &stream_id,
&max_data))
return 0;
BIO_printf(bio, " Stream id: %llu\n", (unsigned long long)stream_id);
BIO_printf(bio, " Max Data: %llu\n", (unsigned long long)max_data);
return 1;
}
static int frame_streams_blocked(BIO *bio, PACKET *pkt)
{
uint64_t max_data = 0;
if (!ossl_quic_wire_decode_frame_streams_blocked(pkt, &max_data))
return 0;
BIO_printf(bio, " Max Data: %llu\n", (unsigned long long)max_data);
return 1;
}
static int frame_new_conn_id(BIO *bio, PACKET *pkt)
{
OSSL_QUIC_FRAME_NEW_CONN_ID frame_data;
if (!ossl_quic_wire_decode_frame_new_conn_id(pkt, &frame_data))
return 0;
BIO_printf(bio, " Sequence Number: %llu\n",
(unsigned long long)frame_data.seq_num);
BIO_printf(bio, " Retire prior to: %llu\n",
(unsigned long long)frame_data.retire_prior_to);
BIO_puts(bio, " Connection id: ");
put_conn_id(bio, &frame_data.conn_id);
BIO_puts(bio, "\n Stateless Reset Token: ");
put_data(bio, frame_data.stateless_reset.token,
sizeof(frame_data.stateless_reset.token));
BIO_puts(bio, "\n");
return 1;
}
static int frame_retire_conn_id(BIO *bio, PACKET *pkt)
{
uint64_t seq_num;
if (!ossl_quic_wire_decode_frame_retire_conn_id(pkt, &seq_num))
return 0;
BIO_printf(bio, " Sequence Number: %llu\n", (unsigned long long)seq_num);
return 1;
}
static int frame_path_challenge(BIO *bio, PACKET *pkt)
{
uint64_t data = 0;
if (!ossl_quic_wire_decode_frame_path_challenge(pkt, &data))
return 0;
BIO_printf(bio, " Data: %016llx\n", (unsigned long long)data);
return 1;
}
static int frame_path_response(BIO *bio, PACKET *pkt)
{
uint64_t data = 0;
if (!ossl_quic_wire_decode_frame_path_response(pkt, &data))
return 0;
BIO_printf(bio, " Data: %016llx\n", (unsigned long long)data);
return 1;
}
static int frame_conn_closed(BIO *bio, PACKET *pkt)
{
OSSL_QUIC_FRAME_CONN_CLOSE frame_data;
if (!ossl_quic_wire_decode_frame_conn_close(pkt, &frame_data))
return 0;
BIO_printf(bio, " Error Code: %llu\n",
(unsigned long long)frame_data.error_code);
BIO_puts(bio, " Reason: ");
put_str(bio, frame_data.reason, frame_data.reason_len);
BIO_puts(bio, "\n");
return 1;
}
static int trace_frame_data(BIO *bio, PACKET *pkt)
{
uint64_t frame_type;
if (!ossl_quic_wire_peek_frame_header(pkt, &frame_type, NULL))
return 0;
switch (frame_type) {
case OSSL_QUIC_FRAME_TYPE_PING:
BIO_puts(bio, "Ping\n");
if (!ossl_quic_wire_decode_frame_ping(pkt))
return 0;
break;
case OSSL_QUIC_FRAME_TYPE_PADDING:
BIO_puts(bio, "Padding\n");
ossl_quic_wire_decode_padding(pkt);
break;
case OSSL_QUIC_FRAME_TYPE_ACK_WITHOUT_ECN:
case OSSL_QUIC_FRAME_TYPE_ACK_WITH_ECN:
BIO_puts(bio, "Ack ");
if (frame_type == OSSL_QUIC_FRAME_TYPE_ACK_WITH_ECN)
BIO_puts(bio, " (with ECN)\n");
else
BIO_puts(bio, " (without ECN)\n");
if (!frame_ack(bio, pkt))
return 0;
break;
case OSSL_QUIC_FRAME_TYPE_RESET_STREAM:
BIO_puts(bio, "Reset stream\n");
if (!frame_reset_stream(bio, pkt))
return 0;
break;
case OSSL_QUIC_FRAME_TYPE_STOP_SENDING:
BIO_puts(bio, "Stop sending\n");
if (!frame_stop_sending(bio, pkt))
return 0;
break;
case OSSL_QUIC_FRAME_TYPE_CRYPTO:
BIO_puts(bio, "Crypto\n");
if (!frame_crypto(bio, pkt))
return 0;
break;
case OSSL_QUIC_FRAME_TYPE_NEW_TOKEN:
BIO_puts(bio, "New token\n");
if (!frame_new_token(bio, pkt))
return 0;
break;
case OSSL_QUIC_FRAME_TYPE_STREAM:
case OSSL_QUIC_FRAME_TYPE_STREAM_FIN:
case OSSL_QUIC_FRAME_TYPE_STREAM_LEN:
case OSSL_QUIC_FRAME_TYPE_STREAM_LEN_FIN:
case OSSL_QUIC_FRAME_TYPE_STREAM_OFF:
case OSSL_QUIC_FRAME_TYPE_STREAM_OFF_FIN:
case OSSL_QUIC_FRAME_TYPE_STREAM_OFF_LEN:
case OSSL_QUIC_FRAME_TYPE_STREAM_OFF_LEN_FIN:
if (!frame_stream(bio, pkt, frame_type))
return 0;
break;
case OSSL_QUIC_FRAME_TYPE_MAX_DATA:
BIO_puts(bio, "Max data\n");
if (!frame_max_data(bio, pkt))
return 0;
break;
case OSSL_QUIC_FRAME_TYPE_MAX_STREAM_DATA:
BIO_puts(bio, "Max stream data\n");
if (!frame_max_stream_data(bio, pkt))
return 0;
break;
case OSSL_QUIC_FRAME_TYPE_MAX_STREAMS_BIDI:
case OSSL_QUIC_FRAME_TYPE_MAX_STREAMS_UNI:
BIO_puts(bio, "Max streams ");
if (frame_type == OSSL_QUIC_FRAME_TYPE_MAX_STREAMS_BIDI)
BIO_puts(bio, " (Bidi)\n");
else
BIO_puts(bio, " (Uni)\n");
if (!frame_max_streams(bio, pkt))
return 0;
break;
case OSSL_QUIC_FRAME_TYPE_DATA_BLOCKED:
BIO_puts(bio, "Data blocked\n");
if (!frame_data_blocked(bio, pkt))
return 0;
break;
case OSSL_QUIC_FRAME_TYPE_STREAM_DATA_BLOCKED:
BIO_puts(bio, "Stream data blocked\n");
if (!frame_stream_data_blocked(bio, pkt))
return 0;
break;
case OSSL_QUIC_FRAME_TYPE_STREAMS_BLOCKED_BIDI:
case OSSL_QUIC_FRAME_TYPE_STREAMS_BLOCKED_UNI:
BIO_puts(bio, "Streams blocked");
if (frame_type == OSSL_QUIC_FRAME_TYPE_STREAMS_BLOCKED_BIDI)
BIO_puts(bio, " (Bidi)\n");
else
BIO_puts(bio, " (Uni)\n");
if (!frame_streams_blocked(bio, pkt))
return 0;
break;
case OSSL_QUIC_FRAME_TYPE_NEW_CONN_ID:
BIO_puts(bio, "New conn id\n");
if (!frame_new_conn_id(bio, pkt))
return 0;
break;
case OSSL_QUIC_FRAME_TYPE_RETIRE_CONN_ID:
BIO_puts(bio, "Retire conn id\n");
if (!frame_retire_conn_id(bio, pkt))
return 0;
break;
case OSSL_QUIC_FRAME_TYPE_PATH_CHALLENGE:
BIO_puts(bio, "Path challenge\n");
if (!frame_path_challenge(bio, pkt))
return 0;
break;
case OSSL_QUIC_FRAME_TYPE_PATH_RESPONSE:
BIO_puts(bio, "Path response\n");
if (!frame_path_response(bio, pkt))
return 0;
break;
case OSSL_QUIC_FRAME_TYPE_CONN_CLOSE_APP:
case OSSL_QUIC_FRAME_TYPE_CONN_CLOSE_TRANSPORT:
BIO_puts(bio, "Connection close");
if (frame_type == OSSL_QUIC_FRAME_TYPE_CONN_CLOSE_APP)
BIO_puts(bio, " (app)\n");
else
BIO_puts(bio, " (transport)\n");
if (!frame_conn_closed(bio, pkt))
return 0;
break;
case OSSL_QUIC_FRAME_TYPE_HANDSHAKE_DONE:
BIO_puts(bio, "Handshake done\n");
if (!ossl_quic_wire_decode_frame_handshake_done(pkt))
return 0;
break;
default:
return 0;
}
if (PACKET_remaining(pkt) != 0)
BIO_puts(bio, " <unexpected trailing frame data skipped>\n");
return 1;
}
int ossl_quic_trace(int write_p, int version, int content_type,
const void *buf, size_t msglen, SSL *ssl, void *arg)
{
BIO *bio = arg;
PACKET pkt;
switch (content_type) {
case SSL3_RT_QUIC_DATAGRAM:
BIO_puts(bio, write_p ? "Sent" : "Received");
BIO_printf(bio, " Datagram\n Length: %zu\n", msglen);
break;
case SSL3_RT_QUIC_PACKET:
{
QUIC_PKT_HDR hdr;
size_t i;
if (!PACKET_buf_init(&pkt, buf, msglen))
return 0;
if (ossl_quic_wire_decode_pkt_hdr(&pkt, 0, 0, 1, &hdr, NULL) != 1)
return 0;
BIO_puts(bio, write_p ? "Sent" : "Received");
BIO_puts(bio, " Packet\n");
BIO_printf(bio, " Packet Type: %s\n", packet_type(hdr.type));
if (hdr.type != QUIC_PKT_TYPE_1RTT)
BIO_printf(bio, " Version: 0x%08lx\n",
(unsigned long)hdr.version);
BIO_puts(bio, " Destination Conn Id: ");
put_conn_id(bio, &hdr.dst_conn_id);
BIO_puts(bio, "\n");
if (hdr.type != QUIC_PKT_TYPE_1RTT) {
BIO_puts(bio, " Source Conn Id: ");
put_conn_id(bio, &hdr.src_conn_id);
BIO_puts(bio, "\n");
}
BIO_printf(bio, " Payload length: %zu\n", hdr.len);
if (hdr.type == QUIC_PKT_TYPE_INITIAL) {
BIO_puts(bio, " Token: ");
put_token(bio, hdr.token, hdr.token_len);
BIO_puts(bio, "\n");
}
if (hdr.type != QUIC_PKT_TYPE_VERSION_NEG
&& hdr.type != QUIC_PKT_TYPE_RETRY) {
BIO_puts(bio, " Packet Number: 0x");
for (i = 0; i < hdr.pn_len; i++)
BIO_printf(bio, "%02x", hdr.pn[i]);
BIO_puts(bio, "\n");
}
break;
}
case SSL3_RT_QUIC_FRAME_PADDING:
case SSL3_RT_QUIC_FRAME_FULL:
case SSL3_RT_QUIC_FRAME_HEADER:
{
BIO_puts(bio, write_p ? "Sent" : "Received");
BIO_puts(bio, " Frame: ");
if (!PACKET_buf_init(&pkt, buf, msglen))
return 0;
if (!trace_frame_data(bio, &pkt)) {
BIO_puts(bio, " <error processing frame data>\n");
return 0;
}
}
break;
default:
return 0;
}
return 1;
}
| quic | openssl/ssl/quic/quic_trace.c | openssl |
#include "quic_record_shared.h"
#include "internal/quic_record_util.h"
#include "internal/common.h"
#include "../ssl_local.h"
static const unsigned char quic_v1_iv_label[] = {
0x71, 0x75, 0x69, 0x63, 0x20, 0x69, 0x76
};
static const unsigned char quic_v1_key_label[] = {
0x71, 0x75, 0x69, 0x63, 0x20, 0x6b, 0x65, 0x79
};
static const unsigned char quic_v1_hp_label[] = {
0x71, 0x75, 0x69, 0x63, 0x20, 0x68, 0x70
};
static const unsigned char quic_v1_ku_label[] = {
0x71, 0x75, 0x69, 0x63, 0x20, 0x6b, 0x75
};
OSSL_QRL_ENC_LEVEL *ossl_qrl_enc_level_set_get(OSSL_QRL_ENC_LEVEL_SET *els,
uint32_t enc_level,
int require_prov)
{
OSSL_QRL_ENC_LEVEL *el;
if (!ossl_assert(enc_level < QUIC_ENC_LEVEL_NUM))
return NULL;
el = &els->el[enc_level];
if (require_prov)
switch (el->state) {
case QRL_EL_STATE_PROV_NORMAL:
case QRL_EL_STATE_PROV_UPDATING:
case QRL_EL_STATE_PROV_COOLDOWN:
break;
default:
return NULL;
}
return el;
}
int ossl_qrl_enc_level_set_have_el(OSSL_QRL_ENC_LEVEL_SET *els,
uint32_t enc_level)
{
OSSL_QRL_ENC_LEVEL *el = ossl_qrl_enc_level_set_get(els, enc_level, 0);
switch (el->state) {
case QRL_EL_STATE_UNPROV:
return 0;
case QRL_EL_STATE_PROV_NORMAL:
case QRL_EL_STATE_PROV_UPDATING:
case QRL_EL_STATE_PROV_COOLDOWN:
return 1;
default:
case QRL_EL_STATE_DISCARDED:
return -1;
}
}
int ossl_qrl_enc_level_set_has_keyslot(OSSL_QRL_ENC_LEVEL_SET *els,
uint32_t enc_level,
unsigned char tgt_state,
size_t keyslot)
{
OSSL_QRL_ENC_LEVEL *el = ossl_qrl_enc_level_set_get(els, enc_level, 0);
if (!ossl_assert(el != NULL && keyslot < 2))
return 0;
switch (tgt_state) {
case QRL_EL_STATE_PROV_NORMAL:
case QRL_EL_STATE_PROV_UPDATING:
return enc_level == QUIC_ENC_LEVEL_1RTT || keyslot == 0;
case QRL_EL_STATE_PROV_COOLDOWN:
assert(enc_level == QUIC_ENC_LEVEL_1RTT);
return keyslot == (el->key_epoch & 1);
default:
return 0;
}
}
static void el_teardown_keyslot(OSSL_QRL_ENC_LEVEL_SET *els,
uint32_t enc_level,
size_t keyslot)
{
OSSL_QRL_ENC_LEVEL *el = ossl_qrl_enc_level_set_get(els, enc_level, 0);
if (!ossl_qrl_enc_level_set_has_keyslot(els, enc_level, el->state, keyslot))
return;
if (el->cctx[keyslot] != NULL) {
EVP_CIPHER_CTX_free(el->cctx[keyslot]);
el->cctx[keyslot] = NULL;
}
OPENSSL_cleanse(el->iv[keyslot], sizeof(el->iv[keyslot]));
}
static int el_setup_keyslot(OSSL_QRL_ENC_LEVEL_SET *els,
uint32_t enc_level,
unsigned char tgt_state,
size_t keyslot,
const unsigned char *secret,
size_t secret_len)
{
OSSL_QRL_ENC_LEVEL *el = ossl_qrl_enc_level_set_get(els, enc_level, 0);
unsigned char key[EVP_MAX_KEY_LENGTH];
size_t key_len = 0, iv_len = 0;
const char *cipher_name = NULL;
EVP_CIPHER *cipher = NULL;
EVP_CIPHER_CTX *cctx = NULL;
if (!ossl_assert(el != NULL
&& ossl_qrl_enc_level_set_has_keyslot(els, enc_level,
tgt_state, keyslot))) {
ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_INVALID_ARGUMENT);
return 0;
}
cipher_name = ossl_qrl_get_suite_cipher_name(el->suite_id);
iv_len = ossl_qrl_get_suite_cipher_iv_len(el->suite_id);
key_len = ossl_qrl_get_suite_cipher_key_len(el->suite_id);
if (cipher_name == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
return 0;
}
if (secret_len != ossl_qrl_get_suite_secret_len(el->suite_id)
|| secret_len > EVP_MAX_KEY_LENGTH) {
ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
return 0;
}
assert(el->cctx[keyslot] == NULL);
if (!tls13_hkdf_expand_ex(el->libctx, el->propq,
el->md,
secret,
quic_v1_iv_label,
sizeof(quic_v1_iv_label),
NULL, 0,
el->iv[keyslot], iv_len, 1))
goto err;
if (!tls13_hkdf_expand_ex(el->libctx, el->propq,
el->md,
secret,
quic_v1_key_label,
sizeof(quic_v1_key_label),
NULL, 0,
key, key_len, 1))
goto err;
if ((cipher = EVP_CIPHER_fetch(el->libctx, cipher_name, el->propq)) == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_EVP_LIB);
goto err;
}
if ((cctx = EVP_CIPHER_CTX_new()) == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_EVP_LIB);
goto err;
}
if (!ossl_assert(iv_len == (size_t)EVP_CIPHER_get_iv_length(cipher))
|| !ossl_assert(key_len == (size_t)EVP_CIPHER_get_key_length(cipher))) {
ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
goto err;
}
if (!EVP_CipherInit_ex(cctx, cipher, NULL, key, el->iv[keyslot], 0)) {
ERR_raise(ERR_LIB_SSL, ERR_R_EVP_LIB);
goto err;
}
el->cctx[keyslot] = cctx;
OPENSSL_cleanse(key, sizeof(key));
EVP_CIPHER_free(cipher);
return 1;
err:
EVP_CIPHER_CTX_free(cctx);
EVP_CIPHER_free(cipher);
OPENSSL_cleanse(el->iv[keyslot], sizeof(el->iv[keyslot]));
OPENSSL_cleanse(key, sizeof(key));
return 0;
}
int ossl_qrl_enc_level_set_provide_secret(OSSL_QRL_ENC_LEVEL_SET *els,
OSSL_LIB_CTX *libctx,
const char *propq,
uint32_t enc_level,
uint32_t suite_id,
EVP_MD *md,
const unsigned char *secret,
size_t secret_len,
unsigned char init_key_phase_bit,
int is_tx)
{
OSSL_QRL_ENC_LEVEL *el = ossl_qrl_enc_level_set_get(els, enc_level, 0);
unsigned char ku_key[EVP_MAX_KEY_LENGTH], hpr_key[EVP_MAX_KEY_LENGTH];
int have_ks0 = 0, have_ks1 = 0, own_md = 0;
const char *md_name = ossl_qrl_get_suite_md_name(suite_id);
size_t hpr_key_len, init_keyslot;
if (el == NULL
|| md_name == NULL
|| init_key_phase_bit > 1 || is_tx < 0 || is_tx > 1
|| (init_key_phase_bit > 0 && enc_level != QUIC_ENC_LEVEL_1RTT)) {
ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_INVALID_ARGUMENT);
return 0;
}
if (enc_level == QUIC_ENC_LEVEL_INITIAL
&& el->state == QRL_EL_STATE_PROV_NORMAL) {
ossl_qrl_enc_level_set_discard(els, enc_level);
el->state = QRL_EL_STATE_UNPROV;
}
if (el->state != QRL_EL_STATE_UNPROV) {
ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
return 0;
}
init_keyslot = is_tx ? 0 : init_key_phase_bit;
hpr_key_len = ossl_qrl_get_suite_hdr_prot_key_len(suite_id);
if (hpr_key_len == 0) {
ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
return 0;
}
if (md == NULL) {
md = EVP_MD_fetch(libctx, md_name, propq);
if (md == NULL) {
ERR_raise(ERR_LIB_SSL, ERR_R_EVP_LIB);
return 0;
}
own_md = 1;
}
el->libctx = libctx;
el->propq = propq;
el->md = md;
el->suite_id = suite_id;
el->tag_len = ossl_qrl_get_suite_cipher_tag_len(suite_id);
el->op_count = 0;
el->key_epoch = (uint64_t)init_key_phase_bit;
el->is_tx = (unsigned char)is_tx;
if (!tls13_hkdf_expand_ex(libctx, propq,
md,
secret,
quic_v1_hp_label,
sizeof(quic_v1_hp_label),
NULL, 0,
hpr_key, hpr_key_len, 1))
goto err;
if (!el_setup_keyslot(els, enc_level, QRL_EL_STATE_PROV_NORMAL,
init_keyslot, secret, secret_len))
goto err;
have_ks0 = 1;
if (enc_level == QUIC_ENC_LEVEL_1RTT) {
if (!tls13_hkdf_expand_ex(libctx, propq,
md,
secret,
quic_v1_ku_label,
sizeof(quic_v1_ku_label),
NULL, 0,
is_tx ? el->ku : ku_key, secret_len, 1))
goto err;
if (!is_tx) {
if (!el_setup_keyslot(els, enc_level, QRL_EL_STATE_PROV_NORMAL,
!init_keyslot, ku_key, secret_len))
goto err;
have_ks1 = 1;
if (!tls13_hkdf_expand_ex(libctx, propq,
md,
ku_key,
quic_v1_ku_label,
sizeof(quic_v1_ku_label),
NULL, 0,
el->ku, secret_len, 1))
goto err;
}
}
if (!ossl_quic_hdr_protector_init(&el->hpr,
libctx, propq,
ossl_qrl_get_suite_hdr_prot_cipher_id(suite_id),
hpr_key, hpr_key_len))
goto err;
OPENSSL_cleanse(hpr_key, sizeof(hpr_key));
OPENSSL_cleanse(ku_key, sizeof(ku_key));
el->state = QRL_EL_STATE_PROV_NORMAL;
return 1;
err:
el->suite_id = 0;
el->md = NULL;
OPENSSL_cleanse(hpr_key, sizeof(hpr_key));
OPENSSL_cleanse(ku_key, sizeof(ku_key));
OPENSSL_cleanse(el->ku, sizeof(el->ku));
if (have_ks0)
el_teardown_keyslot(els, enc_level, init_keyslot);
if (have_ks1)
el_teardown_keyslot(els, enc_level, !init_keyslot);
if (own_md)
EVP_MD_free(md);
return 0;
}
int ossl_qrl_enc_level_set_key_update(OSSL_QRL_ENC_LEVEL_SET *els,
uint32_t enc_level)
{
OSSL_QRL_ENC_LEVEL *el = ossl_qrl_enc_level_set_get(els, enc_level, 0);
size_t secret_len;
unsigned char new_ku[EVP_MAX_KEY_LENGTH];
if (el == NULL || !ossl_assert(enc_level == QUIC_ENC_LEVEL_1RTT)) {
ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_INVALID_ARGUMENT);
return 0;
}
if (el->state != QRL_EL_STATE_PROV_NORMAL) {
ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
return 0;
}
if (!el->is_tx) {
++el->key_epoch;
el->state = QRL_EL_STATE_PROV_UPDATING;
return 1;
}
secret_len = ossl_qrl_get_suite_secret_len(el->suite_id);
if (!tls13_hkdf_expand_ex(el->libctx, el->propq,
el->md, el->ku,
quic_v1_ku_label,
sizeof(quic_v1_ku_label),
NULL, 0,
new_ku, secret_len, 1))
return 0;
el_teardown_keyslot(els, enc_level, 0);
if (!el_setup_keyslot(els, enc_level, QRL_EL_STATE_PROV_NORMAL,
0, el->ku, secret_len))
return 0;
++el->key_epoch;
el->op_count = 0;
memcpy(el->ku, new_ku, secret_len);
return 1;
}
int ossl_qrl_enc_level_set_key_update_done(OSSL_QRL_ENC_LEVEL_SET *els,
uint32_t enc_level)
{
OSSL_QRL_ENC_LEVEL *el = ossl_qrl_enc_level_set_get(els, enc_level, 0);
if (el == NULL || !ossl_assert(enc_level == QUIC_ENC_LEVEL_1RTT)) {
ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_INVALID_ARGUMENT);
return 0;
}
el_teardown_keyslot(els, enc_level, ~el->key_epoch & 1);
el->state = QRL_EL_STATE_PROV_COOLDOWN;
return 1;
}
int ossl_qrl_enc_level_set_key_cooldown_done(OSSL_QRL_ENC_LEVEL_SET *els,
uint32_t enc_level)
{
OSSL_QRL_ENC_LEVEL *el = ossl_qrl_enc_level_set_get(els, enc_level, 0);
size_t secret_len;
unsigned char new_ku[EVP_MAX_KEY_LENGTH];
if (el == NULL || !ossl_assert(enc_level == QUIC_ENC_LEVEL_1RTT)) {
ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_INVALID_ARGUMENT);
return 0;
}
if (el->state == QRL_EL_STATE_PROV_UPDATING
&& !ossl_qrl_enc_level_set_key_update_done(els, enc_level)) {
ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
return 0;
}
if (el->state != QRL_EL_STATE_PROV_COOLDOWN) {
ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
return 0;
}
secret_len = ossl_qrl_get_suite_secret_len(el->suite_id);
if (!el_setup_keyslot(els, enc_level, QRL_EL_STATE_PROV_NORMAL,
~el->key_epoch & 1, el->ku, secret_len))
return 0;
if (!tls13_hkdf_expand_ex(el->libctx, el->propq,
el->md,
el->ku,
quic_v1_ku_label,
sizeof(quic_v1_ku_label),
NULL, 0,
new_ku, secret_len, 1)) {
el_teardown_keyslot(els, enc_level, ~el->key_epoch & 1);
return 0;
}
memcpy(el->ku, new_ku, secret_len);
el->state = QRL_EL_STATE_PROV_NORMAL;
return 1;
}
void ossl_qrl_enc_level_set_discard(OSSL_QRL_ENC_LEVEL_SET *els,
uint32_t enc_level)
{
OSSL_QRL_ENC_LEVEL *el = ossl_qrl_enc_level_set_get(els, enc_level, 0);
if (el == NULL || el->state == QRL_EL_STATE_DISCARDED)
return;
if (ossl_qrl_enc_level_set_have_el(els, enc_level) == 1) {
ossl_quic_hdr_protector_cleanup(&el->hpr);
el_teardown_keyslot(els, enc_level, 0);
el_teardown_keyslot(els, enc_level, 1);
}
EVP_MD_free(el->md);
el->md = NULL;
el->state = QRL_EL_STATE_DISCARDED;
}
| quic | openssl/ssl/quic/quic_record_shared.c | openssl |
#include "internal/quic_txpim.h"
#include <stdlib.h>
typedef struct quic_txpim_pkt_ex_st QUIC_TXPIM_PKT_EX;
struct quic_txpim_pkt_ex_st {
QUIC_TXPIM_PKT public;
QUIC_TXPIM_PKT_EX *prev, *next;
QUIC_TXPIM_CHUNK *chunks;
size_t num_chunks, alloc_chunks;
unsigned int chunks_need_sort : 1;
};
typedef struct quic_txpim_pkt_ex_list {
QUIC_TXPIM_PKT_EX *head, *tail;
} QUIC_TXPIM_PKT_EX_LIST;
struct quic_txpim_st {
QUIC_TXPIM_PKT_EX_LIST free_list;
size_t in_use;
};
#define MAX_ALLOC_CHUNKS 512
QUIC_TXPIM *ossl_quic_txpim_new(void)
{
QUIC_TXPIM *txpim = OPENSSL_zalloc(sizeof(*txpim));
if (txpim == NULL)
return NULL;
return txpim;
}
static void free_list(QUIC_TXPIM_PKT_EX_LIST *l)
{
QUIC_TXPIM_PKT_EX *n, *nnext;
for (n = l->head; n != NULL; n = nnext) {
nnext = n->next;
OPENSSL_free(n->chunks);
OPENSSL_free(n);
}
l->head = l->tail = NULL;
}
void ossl_quic_txpim_free(QUIC_TXPIM *txpim)
{
if (txpim == NULL)
return;
assert(txpim->in_use == 0);
free_list(&txpim->free_list);
OPENSSL_free(txpim);
}
static void list_remove(QUIC_TXPIM_PKT_EX_LIST *l, QUIC_TXPIM_PKT_EX *n)
{
if (l->head == n)
l->head = n->next;
if (l->tail == n)
l->tail = n->prev;
if (n->prev != NULL)
n->prev->next = n->next;
if (n->next != NULL)
n->next->prev = n->prev;
n->prev = n->next = NULL;
}
static void list_insert_tail(QUIC_TXPIM_PKT_EX_LIST *l, QUIC_TXPIM_PKT_EX *n)
{
n->prev = l->tail;
n->next = NULL;
l->tail = n;
if (n->prev != NULL)
n->prev->next = n;
if (l->head == NULL)
l->head = n;
}
static QUIC_TXPIM_PKT_EX *txpim_get_free(QUIC_TXPIM *txpim)
{
QUIC_TXPIM_PKT_EX *ex = txpim->free_list.head;
if (ex != NULL)
return ex;
ex = OPENSSL_zalloc(sizeof(*ex));
if (ex == NULL)
return NULL;
list_insert_tail(&txpim->free_list, ex);
return ex;
}
static void txpim_clear(QUIC_TXPIM_PKT_EX *ex)
{
memset(&ex->public.ackm_pkt, 0, sizeof(ex->public.ackm_pkt));
ossl_quic_txpim_pkt_clear_chunks(&ex->public);
ex->public.retx_head = NULL;
ex->public.fifd = NULL;
ex->public.had_handshake_done_frame = 0;
ex->public.had_max_data_frame = 0;
ex->public.had_max_streams_bidi_frame = 0;
ex->public.had_max_streams_uni_frame = 0;
ex->public.had_ack_frame = 0;
ex->public.had_conn_close = 0;
}
QUIC_TXPIM_PKT *ossl_quic_txpim_pkt_alloc(QUIC_TXPIM *txpim)
{
QUIC_TXPIM_PKT_EX *ex = txpim_get_free(txpim);
if (ex == NULL)
return NULL;
txpim_clear(ex);
list_remove(&txpim->free_list, ex);
++txpim->in_use;
return &ex->public;
}
void ossl_quic_txpim_pkt_release(QUIC_TXPIM *txpim, QUIC_TXPIM_PKT *fpkt)
{
QUIC_TXPIM_PKT_EX *ex = (QUIC_TXPIM_PKT_EX *)fpkt;
assert(txpim->in_use > 0);
--txpim->in_use;
list_insert_tail(&txpim->free_list, ex);
}
void ossl_quic_txpim_pkt_add_cfq_item(QUIC_TXPIM_PKT *fpkt,
QUIC_CFQ_ITEM *item)
{
item->pkt_next = fpkt->retx_head;
item->pkt_prev = NULL;
fpkt->retx_head = item;
}
void ossl_quic_txpim_pkt_clear_chunks(QUIC_TXPIM_PKT *fpkt)
{
QUIC_TXPIM_PKT_EX *ex = (QUIC_TXPIM_PKT_EX *)fpkt;
ex->num_chunks = 0;
}
int ossl_quic_txpim_pkt_append_chunk(QUIC_TXPIM_PKT *fpkt,
const QUIC_TXPIM_CHUNK *chunk)
{
QUIC_TXPIM_PKT_EX *ex = (QUIC_TXPIM_PKT_EX *)fpkt;
QUIC_TXPIM_CHUNK *new_chunk;
size_t new_alloc_chunks = ex->alloc_chunks;
if (ex->num_chunks == ex->alloc_chunks) {
new_alloc_chunks = (ex->alloc_chunks == 0) ? 4 : ex->alloc_chunks * 8 / 5;
if (new_alloc_chunks > MAX_ALLOC_CHUNKS)
new_alloc_chunks = MAX_ALLOC_CHUNKS;
if (ex->num_chunks == new_alloc_chunks)
return 0;
new_chunk = OPENSSL_realloc(ex->chunks,
new_alloc_chunks * sizeof(QUIC_TXPIM_CHUNK));
if (new_chunk == NULL)
return 0;
ex->chunks = new_chunk;
ex->alloc_chunks = new_alloc_chunks;
}
ex->chunks[ex->num_chunks++] = *chunk;
ex->chunks_need_sort = 1;
return 1;
}
static int compare(const void *a, const void *b)
{
const QUIC_TXPIM_CHUNK *ac = a, *bc = b;
if (ac->stream_id < bc->stream_id)
return -1;
else if (ac->stream_id > bc->stream_id)
return 1;
if (ac->start < bc->start)
return -1;
else if (ac->start > bc->start)
return 1;
return 0;
}
const QUIC_TXPIM_CHUNK *ossl_quic_txpim_pkt_get_chunks(const QUIC_TXPIM_PKT *fpkt)
{
QUIC_TXPIM_PKT_EX *ex = (QUIC_TXPIM_PKT_EX *)fpkt;
if (ex->chunks_need_sort) {
qsort(ex->chunks, ex->num_chunks, sizeof(QUIC_TXPIM_CHUNK), compare);
ex->chunks_need_sort = 0;
}
return ex->chunks;
}
size_t ossl_quic_txpim_pkt_get_num_chunks(const QUIC_TXPIM_PKT *fpkt)
{
QUIC_TXPIM_PKT_EX *ex = (QUIC_TXPIM_PKT_EX *)fpkt;
return ex->num_chunks;
}
size_t ossl_quic_txpim_get_in_use(const QUIC_TXPIM *txpim)
{
return txpim->in_use;
}
| quic | openssl/ssl/quic/quic_txpim.c | openssl |