Function at 0x180176600
Capabilities:
Read file on windows

Disassembly:
mov qword [rsp + 0x20], rbx
push rbp
push rsi
push rdi
push r12
push r13
push r14
push r15
lea rbp, [rsp - 0x120]
sub rsp, 0x220
mov rax, qword [0x180248300]
xor rax, rsp
mov qword [rbp + 0x110], rax
xorps xmm0, xmm0
movsxd rax, r8d
xor r13d, r13d
mov rbx, rdx
cmp byte [rdx + 0x348], r13b
mov rsi, rcx
mov r14d, 0x2a0
mov qword [rsp + 0x60], r13
lea rcx, [rax + rax*2]
mov r12, qword [rdx + rcx*8 + 0x278]
lea eax, [r13 + 8]
mov edx, dword [rdx + 0x13c]
lea rdi, [rbx + 0x1f0]
movups xmmword [rbp - 0x80], xmm0
mov qword [rbp - 0x30], r12
lea r15d, [r14 + 0x18]
movups xmmword [rbp - 0x70], xmm0
mov dword [rbp - 0x80], 4
movups xmmword [rbp - 0x60], xmm0
movups xmmword [rbp - 0x50], xmm0
movups xmmword [rbp - 0x40], xmm0
je 0x180176708
cmp byte [r12 + 0x6b], r13b
mov ecx, 0x20
cmovne ecx, eax
cmp edx, 2
jne 0x1801766be
cmp qword [rdi], 0xffffffffffffffff
mov eax, r14d
cmovne eax, r15d
cmp dword [rax + rbx], edx
je 0x1801766be
movzx eax, byte [rsi + 0x723]
jmp 0x1801766c5
movzx eax, byte [rsi + 0x65b]
test al, al
je 0x1801766d1
or ecx, 0x1800
jmp 0x18017670d
cmp edx, 2
jne 0x1801766ef
cmp qword [rdi], 0xffffffffffffffff
mov rax, r14
cmovne rax, r15
cmp dword [rax + rbx], edx
je 0x1801766ef
movzx eax, byte [rsi + 0x725]
jmp 0x1801766f6
movzx eax, byte [rsi + 0x65d]
test al, al
je 0x180176702
or ecx, 0x1a00
jmp 0x18017670d
bts ecx, 9
jmp 0x18017670d
mov ecx, 0x1808
mov dword [rbp - 0x38], ecx
cmp byte [rbx + 0x349], r13b
jne 0x18017671f
or ecx, 4
mov dword [rbp - 0x38], ecx
cmp edx, 2
jne 0x18017673d
cmp qword [rdi], 0xffffffffffffffff
mov rax, r14
cmovne rax, r15
cmp dword [rax + rbx], edx
je 0x18017673d
movzx eax, byte [rsi + 0x727]
jmp 0x180176744
movzx eax, byte [rsi + 0x65f]
test al, al
jne 0x18017675a
and ecx, 0xffffffbf
lea rdx, str.schannel:_disabled_automatic_use_of_client_certificate
or ecx, 0x10
mov dword [rbp - 0x38], ecx
jmp 0x180176761
lea rdx, str.schannel:_enabled_automatic_use_of_client_certificate
mov rcx, rsi
call fcn.18015ec40
movsxd r8, dword [rbx + 0x2d8]
cmp r8d, 7
ja case.default.0x18017678c
lea rcx, [0x180000000]
mov eax, dword [rcx + r8*4 + 0x1771a0]
add rax, rcx
jmp rax
cmp dword [rbx + 0x13c], 2
jne 0x1801767b8
cmp qword [rdi], 0xffffffffffffffff
mov rax, r14
cmovne rax, r15
cmp dword [rax + rbx], 2
je 0x1801767b8
mov r8d, dword [rbx + 0x350]
mov r9d, dword [rbx + 0x354]
jmp 0x1801767bf
mov r9d, dword [rbx + 0x2dc]
test r9d, 0xfffeffff
mov eax, 0x60000
cmove r9d, eax
sar r9d, 0x10
cmp r8d, r9d
jg 0x18017681e
mov edx, dword [rbp - 0x48]
nop dword [rax + rax]
mov ecx, r8d
sub ecx, 4
je 0x18017680f
sub ecx, 1
je 0x180176809
sub ecx, 1
je 0x180176803
cmp ecx, 1
jne 0x180176816
lea rdx, str.schannel:_TLS_1.3_is_not_yet_supported
jmp 0x180177166
bts edx, 0xb
jmp 0x180176813
bts edx, 9
jmp 0x180176813
bts edx, 7
mov dword [rbp - 0x48], edx
inc r8d
cmp r8d, r9d
jle 0x1801767e0
mov r8d, dword [rbx + 0x13c]
cmp r8d, 2
jne 0x18017684f
cmp qword [rdi], 0xffffffffffffffff
mov rax, r14
cmovne rax, r15
cmp dword [rax + rbx], r8d
je 0x18017684f
lea rax, [rbx + 0x388]
mov rdx, qword [rax]
lea rcx, [rbx + 0x310]
jmp 0x180176860
lea rcx, [rbx + 0x310]
mov rdx, qword [rcx]
lea rax, [rbx + 0x388]
test rdx, rdx
je 0x180176935
cmp r8d, 2
jne 0x18017687d
cmp qword [rdi], 0xffffffffffffffff
cmovne r14, r15
cmp dword [r14 + rbx], r8d
jne 0x180176880
mov rax, rcx
mov rbx, qword [rax]
lea r15, [r12 + 0x6c]
mov r14d, r13d
test rbx, rbx
je 0x18017692d
mov rdi, r13
cmp byte [rbx], r13b
je 0x18017692d
cmp rdi, 0x2d
jge 0x18017692d
xor r8d, r8d
xor edx, edx
mov rcx, rbx
call sub.api_ms_win_crt_convert_l1_1_0.dll_strtol
test eax, eax
jne 0x180176904
mov rcx, rbx
call fcn.180175fc0
test eax, eax
jne 0x180176904
lea r8d, [rax + 0x11]
mov rcx, rbx
lea rdx, str.USE_STRONG_CRYPTO
call sub.api_ms_win_crt_string_l1_1_0.dll_strncmp
test eax, eax
je 0x1801768fb
mov r8d, reloc.WS2_32.dll_setsockopt
lea rdx, str.SCH_USE_STRONG_CRYPTO
mov rcx, rbx
call sub.api_ms_win_crt_string_l1_1_0.dll_strncmp
test eax, eax
jne 0x180176982
or dword [rbp - 0x38], 0x400000
jmp 0x18017690e
inc r14d
mov dword [r15 + rdi*4], eax
inc rdi
mov edx, 0x3a
mov rcx, rbx
call sub.VCRUNTIME140.dll_strchr
mov rbx, rax
test rax, rax
je 0x18017692d
add rbx, 1
jne 0x180176897
mov qword [rbp - 0x50], r15
mov dword [rbp - 0x58], r14d
mov rcx, qword [rsi + 0x5b8]
test rcx, rcx
jne 0x18017699b
cmp qword [rsi + 0x5e8], r13
je 0x180176dfd
mov rax, qword [rsi + 0x5e8]
xor ebx, ebx
mov qword [rsp + 0x70], rax
mov r14d, r13d
mov r12, r13
mov qword [rsp + 0x68], r13
mov r15d, ebx
mov edi, ebx
mov rcx, qword [rax]
mov rax, qword [rax + 8]
mov qword [rsp + 0x50], rax
mov qword [rsp + 0x58], rcx
jmp 0x180176ba7
lea rdx, str.Unable_to_set_ciphers_to_passed_via_SSL_CONN_CONFIG
mov rcx, rsi
call fcn.18015ead0
mov eax, 0x3b
jmp 0x180177173
mov rax, qword [rsi + 0x5e8]
xor edx, edx
mov qword [rsp + 0x68], r13
mov r14d, r13d
mov qword [rsp + 0x58], rdx
mov r12, r13
mov qword [rsp + 0x50], rdx
mov r15d, edx
mov qword [rsp + 0x70], rax
mov edi, edx
test rax, rax
je 0x1801769e0
mov rcx, qword [rax]
xor ebx, ebx
mov rax, qword [rax + 8]
mov qword [rsp + 0x50], rax
mov qword [rsp + 0x58], rcx
jmp 0x180176ba7
call sub.api_ms_win_crt_string_l1_1_0.dll__strdup
mov rdi, rax
test rax, rax
je case.0x180177121.2146893056
mov edx, 0x5c
mov rcx, rax
call sub.VCRUNTIME140.dll_strchr
mov r15, rax
test rax, rax
je 0x180176b6b
mov rbx, rax
lea rdx, str.CurrentUser
sub rbx, rdi
mov rcx, rdi
mov r8, rbx
call sub.api_ms_win_crt_string_l1_1_0.dll_strncmp
test eax, eax
jne 0x180176a31
mov r14d, 0x10000
jmp 0x180176b07
mov r8, rbx
lea rdx, str.LocalMachine
mov rcx, rdi
call sub.api_ms_win_crt_string_l1_1_0.dll_strncmp
test eax, eax
jne 0x180176a52
mov r14d, 0x20000
jmp 0x180176b07
mov r8, rbx
lea rdx, str.CurrentService
mov rcx, rdi
call sub.api_ms_win_crt_string_l1_1_0.dll_strncmp
test eax, eax
jne 0x180176a73
mov r14d, 0x40000
jmp 0x180176b07
mov r8, rbx
lea rdx, str.Services
mov rcx, rdi
call sub.api_ms_win_crt_string_l1_1_0.dll_strncmp
test eax, eax
jne 0x180176a91
mov r14d, 0x50000
jmp 0x180176b07
mov r8, rbx
lea rdx, str.Users
mov rcx, rdi
call sub.api_ms_win_crt_string_l1_1_0.dll_strncmp
test eax, eax
jne 0x180176aaf
mov r14d, 0x60000
jmp 0x180176b07
mov r8, rbx
lea rdx, str.CurrentUserGroupPolicy
mov rcx, rdi
call sub.api_ms_win_crt_string_l1_1_0.dll_strncmp
test eax, eax
jne 0x180176acd
mov r14d, 0x70000
jmp 0x180176b07
mov r8, rbx
lea rdx, str.LocalMachineGroupPolicy
mov rcx, rdi
call sub.api_ms_win_crt_string_l1_1_0.dll_strncmp
test eax, eax
jne 0x180176aeb
mov r14d, 0x80000
jmp 0x180176b07
mov r8, rbx
lea rdx, str.LocalMachineEnterprise
mov rcx, rdi
call sub.api_ms_win_crt_string_l1_1_0.dll_strncmp
test eax, eax
jne 0x180176b6b
mov r14d, 0x90000
mov edx, 0x5c
lea rcx, [r15 + 1]
call sub.VCRUNTIME140.dll_strchr
mov rbx, rax
test rax, rax
je 0x180176b6b
lea rcx, [rax + 1]
mov rax, 0xffffffffffffffff
mov qword [rsp + 0x68], rcx
nop dword [rax]
inc rax
cmp byte [rcx + rax], r12b
jne 0x180176b30
cmp rax, 0x28
jne 0x180176b6b
lea r8, str.C:Dev_vcpkg_buildtreescurl_srcurl_7_81_0_459d17a9d2.cleanlib_vtls_schannel.c
mov byte [rbx], r12b
mov edx, 0x196
lea rcx, [r15 + 1]
call fcn.180164660
mov byte [rbx], 0x5c
mov r12, rax
test rax, rax
jne 0x180176cbc
lea ebx, [rax + 0x1b]
jmp 0x180176b70
mov ebx, 0x3a
mov rcx, qword [rsi + 0x5b8]
cmp byte [rcx], r13b
je 0x180177127
lea r9, str.C:Dev_vcpkg_buildtreescurl_srcurl_7_81_0_459d17a9d2.cleanlib_vtls_schannel.c
mov r8d, 0x21d
lea rdx, [0x1801eb928]
call fcn.180163f50
mov r15, rax
test rax, rax
je 0x180177127
xor ebx, ebx
mov rcx, qword [rsi + 0x630]
test rcx, rcx
je 0x180176bef
lea rdx, [0x1801c3d54]
call fcn.1801647b0
test eax, eax
jne 0x180176bef
lea r14, str._memory_blob_
cmp qword [rsp + 0x70], r13
jne 0x180176bd8
mov r14, qword [rsi + 0x5b8]
mov r8, r14
lea rdx, str.schannel:_certificate_format_compatibility_error__for__s
mov rcx, rsi
call fcn.18015ead0
jmp 0x180176d14
mov rax, qword [rsp + 0x70]
test r15, r15
jne 0x180176c02
test rax, rax
je 0x180176cbe
xor ecx, ecx
lea r14, str._memory_blob_
mov ebx, ecx
mov r12d, ecx
test rax, rax
jne 0x180176c1c
mov r14, qword [rsi + 0x5b8]
test rdi, rdi
je 0x180176c2b
mov rcx, rdi
call fcn.1801a5c1d
xor ecx, ecx
test r15, r15
je 0x180176eec
xor edx, edx
mov edi, ecx
mov rcx, r15
lea r8d, [rdx + 2]
call sub.api_ms_win_crt_stdio_l1_1_0.dll_fseek
test eax, eax
sete r12b
test eax, eax
jne 0x180176e4d
mov rcx, r15
call sub.api_ms_win_crt_stdio_l1_1_0.dll_ftell
mov edi, eax
test eax, eax
jns 0x180176e4d
xor r12b, r12b
mov rdi, qword [rsp + 0x58]
mov rax, qword [rsp + 0x50]
test rdi, rdi
je 0x180176ea4
mov r9, r15
mov r8d, 1
mov rdx, rax
mov rcx, rdi
call sub.api_ms_win_crt_stdio_l1_1_0.dll_fread
cmp eax, 1
jne 0x180176ea4
lea r8, str.C:Dev_vcpkg_buildtreescurl_srcurl_7_81_0_459d17a9d2.cleanlib_vtls_schannel.c
mov edx, 0x24d
mov rcx, r15
call fcn.180163f10
test r12b, r12b
je 0x180176eb8
mov r12d, ebx
jmp 0x180176ef1
xor ebx, ebx
xor edx, edx
mov qword [rsp + 0x20], r12
mov r9d, r14d
xor r8d, r8d
bts r9d, 0xe
lea ecx, [rdx + 9]
call qword [sym.imp.CRYPT32.dll_CertOpenStore]
mov r13, rax
test rax, rax
jne 0x180176d2f
call qword [sym.imp.KERNEL32.dll_GetLastError]
mov r9, r12
lea rdx, str.schannel:_Failed_to_open_cert_store__x__s__last_error_is_0x_x
mov r8d, r14d
mov dword [rsp + 0x20], eax
mov rcx, rsi
call fcn.18015ead0
lea r8, str.C:Dev_vcpkg_buildtreescurl_srcurl_7_81_0_459d17a9d2.cleanlib_vtls_schannel.c
mov edx, 0x294
mov rcx, r12
call fcn.180163fc0
test rdi, rdi
je 0x180177004
mov rcx, rdi
call fcn.1801a5c1d
mov eax, 0x3a
jmp 0x180177173
lea r8, str.C:Dev_vcpkg_buildtreescurl_srcurl_7_81_0_459d17a9d2.cleanlib_vtls_schannel.c
mov edx, 0x298
mov rcx, r12
call fcn.180163fc0
mov rcx, qword [rsp + 0x68]
lea rax, [rbp - 8]
mov edx, 0x28
mov qword [rbp - 0x20], rax
mov qword [rsp + 0x30], rbx
lea rax, [rbp - 0x28]
mov qword [rsp + 0x28], rbx
lea r9, [rbp - 8]
mov dword [rbp - 0x28], reloc.WS2_32.dll_sendto
lea r8d, [rdx - 0x24]
mov qword [rsp + 0x20], rax
call qword [sym.imp.CRYPT32.dll_CryptStringToBinaryA]
test eax, eax
jne 0x180176d97
test rdi, rdi
je 0x180177055
mov rcx, rdi
call fcn.1801a5c1d
jmp 0x180177055
mov r9d, 0x10000
mov qword [rsp + 0x28], rbx
lea rax, [rbp - 0x28]
xor r8d, r8d
mov rcx, r13
mov qword [rsp + 0x20], rax
lea edx, [r9 + 1]
call qword [sym.imp.CRYPT32.dll_CertFindCertificateInStore]
mov qword [rsp + 0x60], rax
test rdi, rdi
je 0x180176dd2
mov rcx, rdi
call fcn.1801a5c1d
mov rax, qword [rsp + 0x60]
test rax, rax
je 0x180177055
lea rax, [rsp + 0x60]
mov dword [rbp - 0x7c], 1
xor edx, edx
mov qword [rbp - 0x78], rax
mov rcx, r13
call qword [sym.imp.CRYPT32.dll_CertCloseStore]
mov r12, qword [rbp - 0x30]
xor r13d, r13d
mov edx, 0x20
lea r9, str.C:Dev_vcpkg_buildtreescurl_srcurl_7_81_0_459d17a9d2.cleanlib_vtls_schannel.c
mov r8d, 0x2c3
lea ecx, [rdx - 0x1f]
call fcn.180163df0
mov qword [r12], rax
test rax, rax
jne 0x18017706a
lea rdx, str.schannel:_unable_to_allocate_memory
mov rcx, rsi
call fcn.18015ead0
mov rcx, qword [rsp + 0x60]
test rcx, rcx
je case.0x180177121.2146893056
call qword [sym.imp.CRYPT32.dll_CertFreeCertificateContext]
mov eax, 0x1b
jmp 0x180177173
mov eax, edi
mov qword [rsp + 0x50], rax
test r12b, r12b
je 0x180176e9a
xor r8d, r8d
xor edx, edx
mov rcx, r15
call sub.api_ms_win_crt_stdio_l1_1_0.dll_fseek
test eax, eax
sete r12b
test eax, eax
jne 0x180176c67
mov rcx, qword [rsp + 0x50]
lea r8, str.C:Dev_vcpkg_buildtreescurl_srcurl_7_81_0_459d17a9d2.cleanlib_vtls_schannel.c
inc rcx
mov edx, 0x249
call fcn.1801640b0
mov rdi, rax
mov qword [rsp + 0x58], rax
jmp 0x180176c6c
mov rdi, qword [rsp + 0x58]
jmp 0x180176c71
lea r8, str.C:Dev_vcpkg_buildtreescurl_srcurl_7_81_0_459d17a9d2.cleanlib_vtls_schannel.c
mov edx, 0x24d
mov rcx, r15
call fcn.180163f10
mov r8, qword [rsi + 0x5b8]
lea rdx, str.schannel:_Failed_to_read_cert_file__s
mov rcx, rsi
call fcn.18015ead0
lea r8, str.C:Dev_vcpkg_buildtreescurl_srcurl_7_81_0_459d17a9d2.cleanlib_vtls_schannel.c
mov edx, 0x251
mov rcx, rdi
call fcn.180163fc0
mov eax, 0x3a
jmp 0x180177173
mov rdi, qword [rsp + 0x58]
mov rax, qword [rsp + 0x50]
mov dword [rbp - 0x18], eax
mov rax, qword [rsi + 0x650]
mov qword [rbp - 0x10], rdi
test rax, rax
je 0x180176f19
mov rbx, 0xffffffffffffffff
inc rbx
cmp byte [rax + rbx], r13b
jne 0x180176f10
lea rcx, [rbx*2 + 2]
mov edx, 0x25c
lea r8, str.C:Dev_vcpkg_buildtreescurl_srcurl_7_81_0_459d17a9d2.cleanlib_vtls_schannel.c
call fcn.1801640b0
mov rdi, rax
test rax, rax
je 0x180176faa
test rbx, rbx
je 0x180176f6c
mov r8, qword [rsi + 0x650]
lea ecx, [rbx + 1]
mov dword [rsp + 0x28], ecx
mov r9d, ebx
mov ecx, 0xfde9
mov qword [rsp + 0x20], rax
mov edx, 8
call qword [sym.imp.KERNEL32.dll_MultiByteToWideChar]
mov r12d, eax
test eax, eax
js 0x180176f7c
cmp r12d, ebx
jg 0x180176f7c
mov eax, r12d
xor ebx, ebx
mov word [rdi + rax*2], bx
jmp 0x180176f81
xor ebx, ebx
mov word [rdi], bx
xor r8d, r8d
lea rcx, [rbp - 0x18]
mov rdx, rdi
call qword [sym.imp.CRYPT32.dll_PFXImportCertStore]
lea r8, str.C:Dev_vcpkg_buildtreescurl_srcurl_7_81_0_459d17a9d2.cleanlib_vtls_schannel.c
mov edx, 0x26a
mov rcx, rdi
mov r13, rax
call fcn.180163fc0
jmp 0x180176fac
xor ebx, ebx
cmp qword [rsp + 0x70], 0
jne 0x180176fca
mov rcx, qword [rsp + 0x58]
lea r8, str.C:Dev_vcpkg_buildtreescurl_srcurl_7_81_0_459d17a9d2.cleanlib_vtls_schannel.c
mov edx, 0x26d
call fcn.180163fc0
test r13, r13
jne 0x18017700e
call qword [sym.imp.KERNEL32.dll_GetLastError]
mov r8, r14
mov rcx, rsi
cmp eax, 0x56
jne 0x180176ff5
lea rdx, str.schannel:_Failed_to_import_cert_file__s__password_is_bad
call fcn.18015ead0
lea eax, [r13 + 0x3a]
jmp 0x180177173
mov r9d, eax
lea rdx, str.schannel:_Failed_to_import_cert_file__s__last_error_is_0x_x
call fcn.18015ead0
mov eax, 0x3a
jmp 0x180177173
mov qword [rsp + 0x28], rbx
xor r9d, r9d
xor r8d, r8d
mov qword [rsp + 0x20], rbx
mov edx, 0x10001
mov rcx, r13
call qword [sym.imp.CRYPT32.dll_CertFindCertificateInStore]
mov qword [rsp + 0x60], rax
test rax, rax
jne 0x180176ddb
call qword [sym.imp.KERNEL32.dll_GetLastError]
mov r8, r14
lea rdx, str.schannel:_Failed_to_get_certificate_from_file__s__last_error_is_0x_x
mov r9d, eax
mov rcx, rsi
call fcn.18015ead0
xor edx, edx
mov rcx, r13
call qword [sym.imp.CRYPT32.dll_CertCloseStore]
mov eax, 0x3a
jmp 0x180177173
mov dword [rax + 0x18], 1
lea rdx, str.Microsoft_Unified_Security_Protocol_Provider
mov rcx, qword [r12]
xor r9d, r9d
lea rax, [rcx + 0x10]
mov qword [rsp + 0x40], rax
lea r8d, [r9 + 2]
mov qword [rsp + 0x38], rcx
lea rax, [rbp - 0x80]
mov qword [rsp + 0x30], r13
xor ecx, ecx
mov qword [rsp + 0x28], r13
mov qword [rsp + 0x20], rax
mov rax, qword [0x180252ea0]
call qword [rax + 0x18]
mov rcx, qword [rsp + 0x60]
mov ebx, eax
test rcx, rcx
je 0x1801770c2
call qword [sym.imp.CRYPT32.dll_CertFreeCertificateContext]
test ebx, ebx
je 0x180177123
mov r8d, 0x100
lea rdx, [rbp + 0x10]
mov ecx, ebx
call fcn.18014a110
mov r8, rax
lea rdx, str.schannel:_AcquireCredentialsHandle_failed:__s
mov rcx, rsi
call fcn.18015ead0
mov rcx, qword [r12]
lea r8, str.C:Dev_vcpkg_buildtreescurl_srcurl_7_81_0_459d17a9d2.cleanlib_vtls_schannel.c
mov edx, 0x2dc
call fcn.180163fc0
add ebx, 0x7ff6fd00
mov qword [r12], r13
cmp ebx, 0xe
ja case.0x180177121.2146893055
lea rdx, [0x180000000]
movsxd rax, ebx
mov ecx, dword [rdx + rax*4 + 0x1771c0]
add rcx, rdx
jmp rcx
xor eax, eax
jmp 0x180177173
mov r8, qword [rsi + 0x5b8]
lea rdx, str.schannel:_Failed_to_get_certificate_location_or_file_for__s
mov rcx, rsi
call fcn.18015ead0
mov rcx, rdi
call fcn.1801a5c1d
mov eax, ebx
jmp 0x180177173
lea rdx, str.SSL_versions_not_supported
mov rcx, rsi
call fcn.18015ead0
mov eax, 4
jmp 0x180177173
lea rdx, str.Unrecognized_parameter_passed_via_CURLOPT_SSLVERSION
mov rcx, rsi
call fcn.18015ead0
mov eax, 0x23
mov rcx, qword [rbp + 0x110]
xor rcx, rsp
call fcn.1801a4610
mov rbx, qword [rsp + 0x278]
add rsp, 0x220
pop r15
pop r14
pop r13
pop r12
pop rdi
pop rsi
pop rbp
ret