static CURLState *curl_init_state(BlockDriverState *bs, BDRVCURLState *s) { CURLState *state = NULL; int i, j; do { for (i=0; i<CURL_NUM_STATES; i++) { for (j=0; j<CURL_NUM_ACB; j++) if (s->states[i].acb[j]) continue; if (s->states[i].in_use) continue; state = &s->states[i]; state->in_use = 1; break; } if (!state) { aio_poll(bdrv_get_aio_context(bs), true); } } while(!state); if (!state->curl) { state->curl = curl_easy_init(); if (!state->curl) { return NULL; } curl_easy_setopt(state->curl, CURLOPT_URL, s->url); curl_easy_setopt(state->curl, CURLOPT_SSL_VERIFYPEER, (long) s->sslverify); if (s->cookie) { curl_easy_setopt(state->curl, CURLOPT_COOKIE, s->cookie); } curl_easy_setopt(state->curl, CURLOPT_TIMEOUT, s->timeout); curl_easy_setopt(state->curl, CURLOPT_WRITEFUNCTION, (void *)curl_read_cb); curl_easy_setopt(state->curl, CURLOPT_WRITEDATA, (void *)state); curl_easy_setopt(state->curl, CURLOPT_PRIVATE, (void *)state); curl_easy_setopt(state->curl, CURLOPT_AUTOREFERER, 1); curl_easy_setopt(state->curl, CURLOPT_FOLLOWLOCATION, 1); curl_easy_setopt(state->curl, CURLOPT_NOSIGNAL, 1); curl_easy_setopt(state->curl, CURLOPT_ERRORBUFFER, state->errmsg); curl_easy_setopt(state->curl, CURLOPT_FAILONERROR, 1); /* Restrict supported protocols to avoid security issues in the more * obscure protocols. For example, do not allow POP3/SMTP/IMAP see * CVE-2013-0249. * * Restricting protocols is only supported from 7.19.4 upwards. */ #if LIBCURL_VERSION_NUM >= 0x071304 curl_easy_setopt(state->curl, CURLOPT_PROTOCOLS, PROTOCOLS); curl_easy_setopt(state->curl, CURLOPT_REDIR_PROTOCOLS, PROTOCOLS); #endif #ifdef DEBUG_VERBOSE curl_easy_setopt(state->curl, CURLOPT_VERBOSE, 1); #endif } state->s = s; return state; }
static CURLState *curl_init_state(BlockDriverState *bs, BDRVCURLState *s) { CURLState *state = NULL; int i, j; do { for (i=0; i<CURL_NUM_STATES; i++) { for (j=0; j<CURL_NUM_ACB; j++) if (s->states[i].acb[j]) continue; if (s->states[i].in_use) continue; state = &s->states[i]; state->in_use = 1; break; } if (!state) { aio_poll(bdrv_get_aio_context(bs), true); } } while(!state); if (!state->curl) { state->curl = curl_easy_init(); if (!state->curl) { return NULL; } curl_easy_setopt(state->curl, CURLOPT_URL, s->url); curl_easy_setopt(state->curl, CURLOPT_SSL_VERIFYPEER, (long) s->sslverify); if (s->cookie) { curl_easy_setopt(state->curl, CURLOPT_COOKIE, s->cookie); } curl_easy_setopt(state->curl, CURLOPT_TIMEOUT, s->timeout); curl_easy_setopt(state->curl, CURLOPT_WRITEFUNCTION, (void *)curl_read_cb); curl_easy_setopt(state->curl, CURLOPT_WRITEDATA, (void *)state); curl_easy_setopt(state->curl, CURLOPT_PRIVATE, (void *)state); curl_easy_setopt(state->curl, CURLOPT_AUTOREFERER, 1); curl_easy_setopt(state->curl, CURLOPT_FOLLOWLOCATION, 1); curl_easy_setopt(state->curl, CURLOPT_NOSIGNAL, 1); curl_easy_setopt(state->curl, CURLOPT_ERRORBUFFER, state->errmsg); curl_easy_setopt(state->curl, CURLOPT_FAILONERROR, 1);   #if LIBCURL_VERSION_NUM >= 0x071304 curl_easy_setopt(state->curl, CURLOPT_PROTOCOLS, PROTOCOLS); curl_easy_setopt(state->curl, CURLOPT_REDIR_PROTOCOLS, PROTOCOLS); #endif #ifdef DEBUG_VERBOSE curl_easy_setopt(state->curl, CURLOPT_VERBOSE, 1); #endif } state->s = s; return state; }