Bug Summary

File:out/../deps/openssl/openssl/ssl/statem/extensions_clnt.c
Warning:line 287, column 17
Dereference of null pointer

Annotated Source Code

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clang -cc1 -cc1 -triple x86_64-unknown-linux-gnu -analyze -disable-free -clear-ast-before-backend -disable-llvm-verifier -discard-value-names -main-file-name extensions_clnt.c -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -mrelocation-model pic -pic-level 2 -pic-is-pie -mframe-pointer=all -fmath-errno -ffp-contract=on -fno-rounding-math -mconstructor-aliases -funwind-tables=2 -target-cpu x86-64 -tune-cpu generic -debugger-tuning=gdb -fcoverage-compilation-dir=/home/maurizio/node-v18.6.0/out -resource-dir /usr/local/lib/clang/16.0.0 -D V8_DEPRECATION_WARNINGS -D V8_IMMINENT_DEPRECATION_WARNINGS -D _GLIBCXX_USE_CXX11_ABI=1 -D NODE_OPENSSL_CONF_NAME=nodejs_conf -D NODE_OPENSSL_HAS_QUIC -D __STDC_FORMAT_MACROS -D OPENSSL_NO_PINSHARED -D OPENSSL_THREADS -D OPENSSL_NO_HW -D OPENSSL_API_COMPAT=0x10100001L -D STATIC_LEGACY -D NDEBUG -D OPENSSL_USE_NODELETE -D L_ENDIAN -D OPENSSL_BUILDING_OPENSSL -D AES_ASM -D BSAES_ASM -D CMLL_ASM -D ECP_NISTZ256_ASM -D GHASH_ASM -D KECCAK1600_ASM -D MD5_ASM -D OPENSSL_BN_ASM_GF2m -D OPENSSL_BN_ASM_MONT -D OPENSSL_BN_ASM_MONT5 -D OPENSSL_CPUID_OBJ -D OPENSSL_IA32_SSE2 -D PADLOCK_ASM -D POLY1305_ASM -D SHA1_ASM -D SHA256_ASM -D SHA512_ASM -D VPAES_ASM -D WHIRLPOOL_ASM -D X25519_ASM -D OPENSSL_PIC -D MODULESDIR="/home/maurizio/node-v18.6.0/out/Release/obj.target/deps/openssl/lib/openssl-modules" -D OPENSSLDIR="/home/maurizio/node-v18.6.0/out/Release/obj.target/deps/openssl" -D OPENSSLDIR="/etc/ssl" -D ENGINESDIR="/dev/null" -D TERMIOS -I ../deps/openssl/openssl -I ../deps/openssl/openssl/include -I ../deps/openssl/openssl/crypto -I ../deps/openssl/openssl/crypto/include -I ../deps/openssl/openssl/crypto/modes -I ../deps/openssl/openssl/crypto/ec/curve448 -I ../deps/openssl/openssl/crypto/ec/curve448/arch_32 -I ../deps/openssl/openssl/providers/common/include -I ../deps/openssl/openssl/providers/implementations/include -I ../deps/openssl/config -I ../deps/openssl/config/archs/linux-x86_64/asm -I ../deps/openssl/config/archs/linux-x86_64/asm/include -I ../deps/openssl/config/archs/linux-x86_64/asm/crypto -I ../deps/openssl/config/archs/linux-x86_64/asm/crypto/include/internal -I ../deps/openssl/config/archs/linux-x86_64/asm/providers/common/include -internal-isystem /usr/local/lib/clang/16.0.0/include -internal-isystem /usr/local/include -internal-isystem /usr/lib/gcc/x86_64-redhat-linux/8/../../../../x86_64-redhat-linux/include -internal-externc-isystem /include -internal-externc-isystem /usr/include -O3 -Wno-unused-parameter -Wno-missing-field-initializers -Wno-old-style-declaration -fdebug-compilation-dir=/home/maurizio/node-v18.6.0/out -ferror-limit 19 -fgnuc-version=4.2.1 -vectorize-loops -vectorize-slp -analyzer-output=html -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1 -o /tmp/scan-build-2022-08-22-142216-507842-1 -x c ../deps/openssl/openssl/ssl/statem/extensions_clnt.c
1/*
2 * Copyright 2016-2022 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10#include <openssl/ocsp.h>
11#include "../ssl_local.h"
12#include "internal/cryptlib.h"
13#include "statem_local.h"
14
15EXT_RETURN tls_construct_ctos_renegotiate(SSL *s, WPACKET *pkt,
16 unsigned int context, X509 *x,
17 size_t chainidx)
18{
19 /* Add RI if renegotiating */
20 if (!s->renegotiate)
21 return EXT_RETURN_NOT_SENT;
22
23 if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_renegotiate)WPACKET_put_bytes__((pkt), (0xff01), 2)
24 || !WPACKET_start_sub_packet_u16(pkt)WPACKET_start_sub_packet_len__((pkt), 2)
25 || !WPACKET_sub_memcpy_u8(pkt, s->s3.previous_client_finished,WPACKET_sub_memcpy__((pkt), (s->s3.previous_client_finished
), (s->s3.previous_client_finished_len), 1)
26 s->s3.previous_client_finished_len)WPACKET_sub_memcpy__((pkt), (s->s3.previous_client_finished
), (s->s3.previous_client_finished_len), 1)
27 || !WPACKET_close(pkt)) {
28 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 28, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
29 return EXT_RETURN_FAIL;
30 }
31
32 return EXT_RETURN_SENT;
33}
34
35EXT_RETURN tls_construct_ctos_server_name(SSL *s, WPACKET *pkt,
36 unsigned int context, X509 *x,
37 size_t chainidx)
38{
39 if (s->ext.hostname == NULL((void*)0))
40 return EXT_RETURN_NOT_SENT;
41
42 /* Add TLS extension servername to the Client Hello message */
43 if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_server_name)WPACKET_put_bytes__((pkt), (0), 2)
44 /* Sub-packet for server_name extension */
45 || !WPACKET_start_sub_packet_u16(pkt)WPACKET_start_sub_packet_len__((pkt), 2)
46 /* Sub-packet for servername list (always 1 hostname)*/
47 || !WPACKET_start_sub_packet_u16(pkt)WPACKET_start_sub_packet_len__((pkt), 2)
48 || !WPACKET_put_bytes_u8(pkt, TLSEXT_NAMETYPE_host_name)WPACKET_put_bytes__((pkt), (0), 1)
49 || !WPACKET_sub_memcpy_u16(pkt, s->ext.hostname,WPACKET_sub_memcpy__((pkt), (s->ext.hostname), (strlen(s->
ext.hostname)), 2)
50 strlen(s->ext.hostname))WPACKET_sub_memcpy__((pkt), (s->ext.hostname), (strlen(s->
ext.hostname)), 2)
51 || !WPACKET_close(pkt)
52 || !WPACKET_close(pkt)) {
53 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 53, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
54 return EXT_RETURN_FAIL;
55 }
56
57 return EXT_RETURN_SENT;
58}
59
60/* Push a Max Fragment Len extension into ClientHello */
61EXT_RETURN tls_construct_ctos_maxfragmentlen(SSL *s, WPACKET *pkt,
62 unsigned int context, X509 *x,
63 size_t chainidx)
64{
65 if (s->ext.max_fragment_len_mode == TLSEXT_max_fragment_length_DISABLED0)
66 return EXT_RETURN_NOT_SENT;
67
68 /* Add Max Fragment Length extension if client enabled it. */
69 /*-
70 * 4 bytes for this extension type and extension length
71 * 1 byte for the Max Fragment Length code value.
72 */
73 if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_max_fragment_length)WPACKET_put_bytes__((pkt), (1), 2)
74 /* Sub-packet for Max Fragment Length extension (1 byte) */
75 || !WPACKET_start_sub_packet_u16(pkt)WPACKET_start_sub_packet_len__((pkt), 2)
76 || !WPACKET_put_bytes_u8(pkt, s->ext.max_fragment_len_mode)WPACKET_put_bytes__((pkt), (s->ext.max_fragment_len_mode),
1)
77 || !WPACKET_close(pkt)) {
78 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 78, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
79 return EXT_RETURN_FAIL;
80 }
81
82 return EXT_RETURN_SENT;
83}
84
85#ifndef OPENSSL_NO_SRP
86EXT_RETURN tls_construct_ctos_srp(SSL *s, WPACKET *pkt, unsigned int context,
87 X509 *x, size_t chainidx)
88{
89 /* Add SRP username if there is one */
90 if (s->srp_ctx.login == NULL((void*)0))
91 return EXT_RETURN_NOT_SENT;
92
93 if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_srp)WPACKET_put_bytes__((pkt), (12), 2)
94 /* Sub-packet for SRP extension */
95 || !WPACKET_start_sub_packet_u16(pkt)WPACKET_start_sub_packet_len__((pkt), 2)
96 || !WPACKET_start_sub_packet_u8(pkt)WPACKET_start_sub_packet_len__((pkt), 1)
97 /* login must not be zero...internal error if so */
98 || !WPACKET_set_flags(pkt, WPACKET_FLAGS_NON_ZERO_LENGTH1)
99 || !WPACKET_memcpy(pkt, s->srp_ctx.login,
100 strlen(s->srp_ctx.login))
101 || !WPACKET_close(pkt)
102 || !WPACKET_close(pkt)) {
103 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 103, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
104 return EXT_RETURN_FAIL;
105 }
106
107 return EXT_RETURN_SENT;
108}
109#endif
110
111static int use_ecc(SSL *s, int min_version, int max_version)
112{
113 int i, end, ret = 0;
114 unsigned long alg_k, alg_a;
115 STACK_OF(SSL_CIPHER)struct stack_st_SSL_CIPHER *cipher_stack = NULL((void*)0);
116 const uint16_t *pgroups = NULL((void*)0);
117 size_t num_groups, j;
118
119 /* See if we support any ECC ciphersuites */
120 if (s->version == SSL3_VERSION0x0300)
121 return 0;
122
123 cipher_stack = SSL_get1_supported_ciphers(s);
124 end = sk_SSL_CIPHER_num(cipher_stack)OPENSSL_sk_num(ossl_check_const_SSL_CIPHER_sk_type(cipher_stack
));
125 for (i = 0; i < end; i++) {
126 const SSL_CIPHER *c = sk_SSL_CIPHER_value(cipher_stack, i)((const SSL_CIPHER *)OPENSSL_sk_value(ossl_check_const_SSL_CIPHER_sk_type
(cipher_stack), (i)));
127
128 alg_k = c->algorithm_mkey;
129 alg_a = c->algorithm_auth;
130 if ((alg_k & (SSL_kECDHE0x00000004U | SSL_kECDHEPSK0x00000080U))
131 || (alg_a & SSL_aECDSA0x00000008U)
132 || c->min_tls >= TLS1_3_VERSION0x0304) {
133 ret = 1;
134 break;
135 }
136 }
137 sk_SSL_CIPHER_free(cipher_stack)OPENSSL_sk_free(ossl_check_SSL_CIPHER_sk_type(cipher_stack));
138 if (!ret)
139 return 0;
140
141 /* Check we have at least one EC supported group */
142 tls1_get_supported_groups(s, &pgroups, &num_groups);
143 for (j = 0; j < num_groups; j++) {
144 uint16_t ctmp = pgroups[j];
145
146 if (tls_valid_group(s, ctmp, min_version, max_version, 1, NULL((void*)0))
147 && tls_group_allowed(s, ctmp, SSL_SECOP_CURVE_SUPPORTED(4 | (2 << 16))))
148 return 1;
149 }
150
151 return 0;
152}
153
154EXT_RETURN tls_construct_ctos_ec_pt_formats(SSL *s, WPACKET *pkt,
155 unsigned int context, X509 *x,
156 size_t chainidx)
157{
158 const unsigned char *pformats;
159 size_t num_formats;
160 int reason, min_version, max_version;
161
162 reason = ssl_get_min_max_version(s, &min_version, &max_version, NULL((void*)0));
163 if (reason != 0) {
164 SSLfatal(s, SSL_AD_INTERNAL_ERROR, reason)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 164, __func__), ossl_statem_fatal)((s), (80), (reason), ((void
*)0));
165 return EXT_RETURN_FAIL;
166 }
167 if (!use_ecc(s, min_version, max_version))
168 return EXT_RETURN_NOT_SENT;
169
170 /* Add TLS extension ECPointFormats to the ClientHello message */
171 tls1_get_formatlist(s, &pformats, &num_formats);
172
173 if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_ec_point_formats)WPACKET_put_bytes__((pkt), (11), 2)
174 /* Sub-packet for formats extension */
175 || !WPACKET_start_sub_packet_u16(pkt)WPACKET_start_sub_packet_len__((pkt), 2)
176 || !WPACKET_sub_memcpy_u8(pkt, pformats, num_formats)WPACKET_sub_memcpy__((pkt), (pformats), (num_formats), 1)
177 || !WPACKET_close(pkt)) {
178 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 178, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
179 return EXT_RETURN_FAIL;
180 }
181
182 return EXT_RETURN_SENT;
183}
184
185EXT_RETURN tls_construct_ctos_supported_groups(SSL *s, WPACKET *pkt,
186 unsigned int context, X509 *x,
187 size_t chainidx)
188{
189 const uint16_t *pgroups = NULL((void*)0);
190 size_t num_groups = 0, i, tls13added = 0, added = 0;
191 int min_version, max_version, reason;
192
193 reason = ssl_get_min_max_version(s, &min_version, &max_version, NULL((void*)0));
194 if (reason != 0) {
195 SSLfatal(s, SSL_AD_INTERNAL_ERROR, reason)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 195, __func__), ossl_statem_fatal)((s), (80), (reason), ((void
*)0));
196 return EXT_RETURN_FAIL;
197 }
198
199 /*
200 * We only support EC groups in TLSv1.2 or below, and in DTLS. Therefore
201 * if we don't have EC support then we don't send this extension.
202 */
203 if (!use_ecc(s, min_version, max_version)
204 && (SSL_IS_DTLS(s)(s->method->ssl3_enc->enc_flags & 0x8) || max_version < TLS1_3_VERSION0x0304))
205 return EXT_RETURN_NOT_SENT;
206
207 /*
208 * Add TLS extension supported_groups to the ClientHello message
209 */
210 tls1_get_supported_groups(s, &pgroups, &num_groups);
211
212 if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_supported_groups)WPACKET_put_bytes__((pkt), (10), 2)
213 /* Sub-packet for supported_groups extension */
214 || !WPACKET_start_sub_packet_u16(pkt)WPACKET_start_sub_packet_len__((pkt), 2)
215 || !WPACKET_start_sub_packet_u16(pkt)WPACKET_start_sub_packet_len__((pkt), 2)
216 || !WPACKET_set_flags(pkt, WPACKET_FLAGS_NON_ZERO_LENGTH1)) {
217 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 217, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
218 return EXT_RETURN_FAIL;
219 }
220 /* Copy group ID if supported */
221 for (i = 0; i < num_groups; i++) {
222 uint16_t ctmp = pgroups[i];
223 int okfortls13;
224
225 if (tls_valid_group(s, ctmp, min_version, max_version, 0, &okfortls13)
226 && tls_group_allowed(s, ctmp, SSL_SECOP_CURVE_SUPPORTED(4 | (2 << 16)))) {
227 if (!WPACKET_put_bytes_u16(pkt, ctmp)WPACKET_put_bytes__((pkt), (ctmp), 2)) {
228 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 228, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
229 return EXT_RETURN_FAIL;
230 }
231 if (okfortls13 && max_version == TLS1_3_VERSION0x0304)
232 tls13added++;
233 added++;
234 }
235 }
236 if (!WPACKET_close(pkt) || !WPACKET_close(pkt)) {
237 if (added == 0)
238 SSLfatal_data(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 238, __func__), ossl_statem_fatal)(s, SSL_AD_INTERNAL_ERROR80, SSL_R_NO_SUITABLE_GROUPS295,
239 "No groups enabled for max supported SSL/TLS version");
240 else
241 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 241, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
242 return EXT_RETURN_FAIL;
243 }
244
245 if (tls13added == 0 && max_version == TLS1_3_VERSION0x0304) {
246 SSLfatal_data(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 246, __func__), ossl_statem_fatal)(s, SSL_AD_INTERNAL_ERROR80, SSL_R_NO_SUITABLE_GROUPS295,
247 "No groups enabled for max supported SSL/TLS version");
248 return EXT_RETURN_FAIL;
249 }
250
251 return EXT_RETURN_SENT;
252}
253
254EXT_RETURN tls_construct_ctos_session_ticket(SSL *s, WPACKET *pkt,
255 unsigned int context, X509 *x,
256 size_t chainidx)
257{
258 size_t ticklen;
259
260 if (!tls_use_ticket(s))
1
Value assigned to field 'session'
→
2
←
Assuming the condition is false
→
261 return EXT_RETURN_NOT_SENT;
262
263 if (!s->new_session && s->session != NULL((void*)0)
3
←
Assuming field 'new_session' is not equal to 0
→
264 && s->session->ext.tick != NULL((void*)0)
265 && s->session->ssl_version != TLS1_3_VERSION0x0304) {
266 ticklen = s->session->ext.ticklen;
267 } else if (s->session && s->ext.session_ticket != NULL((void*)0)
4
←
Assuming field 'session' is null
→
268 && s->ext.session_ticket->data != NULL((void*)0)) {
269 ticklen = s->ext.session_ticket->length;
270 s->session->ext.tick = OPENSSL_malloc(ticklen)CRYPTO_malloc(ticklen, "../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 270);
271 if (s->session->ext.tick == NULL((void*)0)) {
272 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 272, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
273 return EXT_RETURN_FAIL;
274 }
275 memcpy(s->session->ext.tick,
276 s->ext.session_ticket->data, ticklen);
277 s->session->ext.ticklen = ticklen;
278 } else {
279 ticklen = 0;
280 }
281
282 if (ticklen
4.1
'ticklen' is equal to 0
 == 0 && s->ext.session_ticket != NULL((void*)0) &&
5
←
Assuming field 'session_ticket' is equal to NULL
→
283 s->ext.session_ticket->data == NULL((void*)0))
284 return EXT_RETURN_NOT_SENT;
285
286 if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_session_ticket)WPACKET_put_bytes__((pkt), (35), 2)
6
←
Assuming the condition is false
→
287 || !WPACKET_sub_memcpy_u16(pkt, s->session->ext.tick, ticklen)WPACKET_sub_memcpy__((pkt), (s->session->ext.tick), (ticklen
), 2)) {
7
←
Dereference of null pointer
288 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 288, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
289 return EXT_RETURN_FAIL;
290 }
291
292 return EXT_RETURN_SENT;
293}
294
295EXT_RETURN tls_construct_ctos_sig_algs(SSL *s, WPACKET *pkt,
296 unsigned int context, X509 *x,
297 size_t chainidx)
298{
299 size_t salglen;
300 const uint16_t *salg;
301
302 if (!SSL_CLIENT_USE_SIGALGS(s)((!(s->method->ssl3_enc->enc_flags & 0x8) &&
s->client_version >= 0x0303) || ((s->method->ssl3_enc
->enc_flags & 0x8) && ((((s->client_version
) == 0x0100) ? 0xff00 : (s->client_version)) <= (((0xFEFD
) == 0x0100) ? 0xff00 : (0xFEFD))))))
303 return EXT_RETURN_NOT_SENT;
304
305 salglen = tls12_get_psigalgs(s, 1, &salg);
306 if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_signature_algorithms)WPACKET_put_bytes__((pkt), (13), 2)
307 /* Sub-packet for sig-algs extension */
308 || !WPACKET_start_sub_packet_u16(pkt)WPACKET_start_sub_packet_len__((pkt), 2)
309 /* Sub-packet for the actual list */
310 || !WPACKET_start_sub_packet_u16(pkt)WPACKET_start_sub_packet_len__((pkt), 2)
311 || !tls12_copy_sigalgs(s, pkt, salg, salglen)
312 || !WPACKET_close(pkt)
313 || !WPACKET_close(pkt)) {
314 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 314, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
315 return EXT_RETURN_FAIL;
316 }
317
318 return EXT_RETURN_SENT;
319}
320
321#ifndef OPENSSL_NO_OCSP
322EXT_RETURN tls_construct_ctos_status_request(SSL *s, WPACKET *pkt,
323 unsigned int context, X509 *x,
324 size_t chainidx)
325{
326 int i;
327
328 /* This extension isn't defined for client Certificates */
329 if (x != NULL((void*)0))
330 return EXT_RETURN_NOT_SENT;
331
332 if (s->ext.status_type != TLSEXT_STATUSTYPE_ocsp1)
333 return EXT_RETURN_NOT_SENT;
334
335 if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_status_request)WPACKET_put_bytes__((pkt), (5), 2)
336 /* Sub-packet for status request extension */
337 || !WPACKET_start_sub_packet_u16(pkt)WPACKET_start_sub_packet_len__((pkt), 2)
338 || !WPACKET_put_bytes_u8(pkt, TLSEXT_STATUSTYPE_ocsp)WPACKET_put_bytes__((pkt), (1), 1)
339 /* Sub-packet for the ids */
340 || !WPACKET_start_sub_packet_u16(pkt)WPACKET_start_sub_packet_len__((pkt), 2)) {
341 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 341, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
342 return EXT_RETURN_FAIL;
343 }
344 for (i = 0; i < sk_OCSP_RESPID_num(s->ext.ocsp.ids)OPENSSL_sk_num(ossl_check_const_OCSP_RESPID_sk_type(s->ext
.ocsp.ids)); i++) {
345 unsigned char *idbytes;
346 OCSP_RESPID *id = sk_OCSP_RESPID_value(s->ext.ocsp.ids, i)((OCSP_RESPID *)OPENSSL_sk_value(ossl_check_const_OCSP_RESPID_sk_type
(s->ext.ocsp.ids), (i)));
347 int idlen = i2d_OCSP_RESPID(id, NULL((void*)0));
348
349 if (idlen <= 0
350 /* Sub-packet for an individual id */
351 || !WPACKET_sub_allocate_bytes_u16(pkt, idlen, &idbytes)WPACKET_sub_allocate_bytes__((pkt), (idlen), (&idbytes), 2
)
352 || i2d_OCSP_RESPID(id, &idbytes) != idlen) {
353 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 353, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
354 return EXT_RETURN_FAIL;
355 }
356 }
357 if (!WPACKET_close(pkt)
358 || !WPACKET_start_sub_packet_u16(pkt)WPACKET_start_sub_packet_len__((pkt), 2)) {
359 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 359, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
360 return EXT_RETURN_FAIL;
361 }
362 if (s->ext.ocsp.exts) {
363 unsigned char *extbytes;
364 int extlen = i2d_X509_EXTENSIONS(s->ext.ocsp.exts, NULL((void*)0));
365
366 if (extlen < 0) {
367 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 367, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
368 return EXT_RETURN_FAIL;
369 }
370 if (!WPACKET_allocate_bytes(pkt, extlen, &extbytes)
371 || i2d_X509_EXTENSIONS(s->ext.ocsp.exts, &extbytes)
372 != extlen) {
373 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 373, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
374 return EXT_RETURN_FAIL;
375 }
376 }
377 if (!WPACKET_close(pkt) || !WPACKET_close(pkt)) {
378 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 378, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
379 return EXT_RETURN_FAIL;
380 }
381
382 return EXT_RETURN_SENT;
383}
384#endif
385
386#ifndef OPENSSL_NO_NEXTPROTONEG
387EXT_RETURN tls_construct_ctos_npn(SSL *s, WPACKET *pkt, unsigned int context,
388 X509 *x, size_t chainidx)
389{
390 if (s->ctx->ext.npn_select_cb == NULL((void*)0) || !SSL_IS_FIRST_HANDSHAKE(s)((s)->s3.tmp.finish_md_len == 0 || (s)->s3.tmp.peer_finish_md_len
== 0))
391 return EXT_RETURN_NOT_SENT;
392
393 /*
394 * The client advertises an empty extension to indicate its support
395 * for Next Protocol Negotiation
396 */
397 if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_next_proto_neg)WPACKET_put_bytes__((pkt), (13172), 2)
398 || !WPACKET_put_bytes_u16(pkt, 0)WPACKET_put_bytes__((pkt), (0), 2)) {
399 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 399, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
400 return EXT_RETURN_FAIL;
401 }
402
403 return EXT_RETURN_SENT;
404}
405#endif
406
407EXT_RETURN tls_construct_ctos_alpn(SSL *s, WPACKET *pkt, unsigned int context,
408 X509 *x, size_t chainidx)
409{
410 s->s3.alpn_sent = 0;
411
412 if (s->ext.alpn == NULL((void*)0) || !SSL_IS_FIRST_HANDSHAKE(s)((s)->s3.tmp.finish_md_len == 0 || (s)->s3.tmp.peer_finish_md_len
== 0))
413 return EXT_RETURN_NOT_SENT;
414
415 if (!WPACKET_put_bytes_u16(pkt,WPACKET_put_bytes__((pkt), (16), 2)
416 TLSEXT_TYPE_application_layer_protocol_negotiation)WPACKET_put_bytes__((pkt), (16), 2)
417 /* Sub-packet ALPN extension */
418 || !WPACKET_start_sub_packet_u16(pkt)WPACKET_start_sub_packet_len__((pkt), 2)
419 || !WPACKET_sub_memcpy_u16(pkt, s->ext.alpn, s->ext.alpn_len)WPACKET_sub_memcpy__((pkt), (s->ext.alpn), (s->ext.alpn_len
), 2)
420 || !WPACKET_close(pkt)) {
421 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 421, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
422 return EXT_RETURN_FAIL;
423 }
424 s->s3.alpn_sent = 1;
425
426 return EXT_RETURN_SENT;
427}
428
429
430#ifndef OPENSSL_NO_SRTP
431EXT_RETURN tls_construct_ctos_use_srtp(SSL *s, WPACKET *pkt,
432 unsigned int context, X509 *x,
433 size_t chainidx)
434{
435 STACK_OF(SRTP_PROTECTION_PROFILE)struct stack_st_SRTP_PROTECTION_PROFILE *clnt = SSL_get_srtp_profiles(s);
436 int i, end;
437
438 if (clnt == NULL((void*)0))
439 return EXT_RETURN_NOT_SENT;
440
441 if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_use_srtp)WPACKET_put_bytes__((pkt), (14), 2)
442 /* Sub-packet for SRTP extension */
443 || !WPACKET_start_sub_packet_u16(pkt)WPACKET_start_sub_packet_len__((pkt), 2)
444 /* Sub-packet for the protection profile list */
445 || !WPACKET_start_sub_packet_u16(pkt)WPACKET_start_sub_packet_len__((pkt), 2)) {
446 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 446, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
447 return EXT_RETURN_FAIL;
448 }
449
450 end = sk_SRTP_PROTECTION_PROFILE_num(clnt)OPENSSL_sk_num(ossl_check_const_SRTP_PROTECTION_PROFILE_sk_type
(clnt));
451 for (i = 0; i < end; i++) {
452 const SRTP_PROTECTION_PROFILE *prof =
453 sk_SRTP_PROTECTION_PROFILE_value(clnt, i)((SRTP_PROTECTION_PROFILE *)OPENSSL_sk_value(ossl_check_const_SRTP_PROTECTION_PROFILE_sk_type
(clnt), (i)));
454
455 if (prof == NULL((void*)0) || !WPACKET_put_bytes_u16(pkt, prof->id)WPACKET_put_bytes__((pkt), (prof->id), 2)) {
456 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 456, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
457 return EXT_RETURN_FAIL;
458 }
459 }
460 if (!WPACKET_close(pkt)
461 /* Add an empty use_mki value */
462 || !WPACKET_put_bytes_u8(pkt, 0)WPACKET_put_bytes__((pkt), (0), 1)
463 || !WPACKET_close(pkt)) {
464 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 464, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
465 return EXT_RETURN_FAIL;
466 }
467
468 return EXT_RETURN_SENT;
469}
470#endif
471
472EXT_RETURN tls_construct_ctos_etm(SSL *s, WPACKET *pkt, unsigned int context,
473 X509 *x, size_t chainidx)
474{
475 if (s->options & SSL_OP_NO_ENCRYPT_THEN_MAC((uint64_t)1 << (uint64_t)19))
476 return EXT_RETURN_NOT_SENT;
477
478 if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_encrypt_then_mac)WPACKET_put_bytes__((pkt), (22), 2)
479 || !WPACKET_put_bytes_u16(pkt, 0)WPACKET_put_bytes__((pkt), (0), 2)) {
480 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 480, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
481 return EXT_RETURN_FAIL;
482 }
483
484 return EXT_RETURN_SENT;
485}
486
487#ifndef OPENSSL_NO_CT
488EXT_RETURN tls_construct_ctos_sct(SSL *s, WPACKET *pkt, unsigned int context,
489 X509 *x, size_t chainidx)
490{
491 if (s->ct_validation_callback == NULL((void*)0))
492 return EXT_RETURN_NOT_SENT;
493
494 /* Not defined for client Certificates */
495 if (x != NULL((void*)0))
496 return EXT_RETURN_NOT_SENT;
497
498 if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_signed_certificate_timestamp)WPACKET_put_bytes__((pkt), (18), 2)
499 || !WPACKET_put_bytes_u16(pkt, 0)WPACKET_put_bytes__((pkt), (0), 2)) {
500 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 500, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
501 return EXT_RETURN_FAIL;
502 }
503
504 return EXT_RETURN_SENT;
505}
506#endif
507
508EXT_RETURN tls_construct_ctos_ems(SSL *s, WPACKET *pkt, unsigned int context,
509 X509 *x, size_t chainidx)
510{
511 if (s->options & SSL_OP_NO_EXTENDED_MASTER_SECRET((uint64_t)1 << (uint64_t)0))
512 return EXT_RETURN_NOT_SENT;
513
514 if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_extended_master_secret)WPACKET_put_bytes__((pkt), (23), 2)
515 || !WPACKET_put_bytes_u16(pkt, 0)WPACKET_put_bytes__((pkt), (0), 2)) {
516 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 516, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
517 return EXT_RETURN_FAIL;
518 }
519
520 return EXT_RETURN_SENT;
521}
522
523EXT_RETURN tls_construct_ctos_supported_versions(SSL *s, WPACKET *pkt,
524 unsigned int context, X509 *x,
525 size_t chainidx)
526{
527 int currv, min_version, max_version, reason;
528
529 reason = ssl_get_min_max_version(s, &min_version, &max_version, NULL((void*)0));
530 if (reason != 0) {
531 SSLfatal(s, SSL_AD_INTERNAL_ERROR, reason)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 531, __func__), ossl_statem_fatal)((s), (80), (reason), ((void
*)0));
532 return EXT_RETURN_FAIL;
533 }
534
535 /*
536 * Don't include this if we can't negotiate TLSv1.3. We can do a straight
537 * comparison here because we will never be called in DTLS.
538 */
539 if (max_version < TLS1_3_VERSION0x0304)
540 return EXT_RETURN_NOT_SENT;
541
542 if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_supported_versions)WPACKET_put_bytes__((pkt), (43), 2)
543 || !WPACKET_start_sub_packet_u16(pkt)WPACKET_start_sub_packet_len__((pkt), 2)
544 || !WPACKET_start_sub_packet_u8(pkt)WPACKET_start_sub_packet_len__((pkt), 1)) {
545 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 545, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
546 return EXT_RETURN_FAIL;
547 }
548
549 for (currv = max_version; currv >= min_version; currv--) {
550 if (!WPACKET_put_bytes_u16(pkt, currv)WPACKET_put_bytes__((pkt), (currv), 2)) {
551 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 551, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
552 return EXT_RETURN_FAIL;
553 }
554 }
555 if (!WPACKET_close(pkt) || !WPACKET_close(pkt)) {
556 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 556, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
557 return EXT_RETURN_FAIL;
558 }
559
560 return EXT_RETURN_SENT;
561}
562
563/*
564 * Construct a psk_kex_modes extension.
565 */
566EXT_RETURN tls_construct_ctos_psk_kex_modes(SSL *s, WPACKET *pkt,
567 unsigned int context, X509 *x,
568 size_t chainidx)
569{
570#ifndef OPENSSL_NO_TLS1_3
571 int nodhe = s->options & SSL_OP_ALLOW_NO_DHE_KEX((uint64_t)1 << (uint64_t)10);
572
573 if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_psk_kex_modes)WPACKET_put_bytes__((pkt), (45), 2)
574 || !WPACKET_start_sub_packet_u16(pkt)WPACKET_start_sub_packet_len__((pkt), 2)
575 || !WPACKET_start_sub_packet_u8(pkt)WPACKET_start_sub_packet_len__((pkt), 1)
576 || !WPACKET_put_bytes_u8(pkt, TLSEXT_KEX_MODE_KE_DHE)WPACKET_put_bytes__((pkt), (0x01), 1)
577 || (nodhe && !WPACKET_put_bytes_u8(pkt, TLSEXT_KEX_MODE_KE)WPACKET_put_bytes__((pkt), (0x00), 1))
578 || !WPACKET_close(pkt)
579 || !WPACKET_close(pkt)) {
580 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 580, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
581 return EXT_RETURN_FAIL;
582 }
583
584 s->ext.psk_kex_mode = TLSEXT_KEX_MODE_FLAG_KE_DHE2;
585 if (nodhe)
586 s->ext.psk_kex_mode |= TLSEXT_KEX_MODE_FLAG_KE1;
587#endif
588
589 return EXT_RETURN_SENT;
590}
591
592#ifndef OPENSSL_NO_TLS1_3
593static int add_key_share(SSL *s, WPACKET *pkt, unsigned int curve_id)
594{
595 unsigned char *encoded_point = NULL((void*)0);
596 EVP_PKEY *key_share_key = NULL((void*)0);
597 size_t encodedlen;
598
599 if (s->s3.tmp.pkey != NULL((void*)0)) {
600 if (!ossl_assert(s->hello_retry_request == SSL_HRR_PENDING)((s->hello_retry_request == SSL_HRR_PENDING) != 0)) {
601 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 601, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
602 return 0;
603 }
604 /*
605 * Could happen if we got an HRR that wasn't requesting a new key_share
606 */
607 key_share_key = s->s3.tmp.pkey;
608 } else {
609 key_share_key = ssl_generate_pkey_group(s, curve_id);
610 if (key_share_key == NULL((void*)0)) {
611 /* SSLfatal() already called */
612 return 0;
613 }
614 }
615
616 /* Encode the public key. */
617 encodedlen = EVP_PKEY_get1_encoded_public_key(key_share_key,
618 &encoded_point);
619 if (encodedlen == 0) {
620 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_EC_LIB)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 620, __func__), ossl_statem_fatal)((s), (80), ((16 | (0x2 <<
18L))), ((void*)0));
621 goto err;
622 }
623
624 /* Create KeyShareEntry */
625 if (!WPACKET_put_bytes_u16(pkt, curve_id)WPACKET_put_bytes__((pkt), (curve_id), 2)
626 || !WPACKET_sub_memcpy_u16(pkt, encoded_point, encodedlen)WPACKET_sub_memcpy__((pkt), (encoded_point), (encodedlen), 2)) {
627 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 627, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
628 goto err;
629 }
630
631 /*
632 * When changing to send more than one key_share we're
633 * going to need to be able to save more than one EVP_PKEY. For now
634 * we reuse the existing tmp.pkey
635 */
636 s->s3.tmp.pkey = key_share_key;
637 s->s3.group_id = curve_id;
638 OPENSSL_free(encoded_point)CRYPTO_free(encoded_point, "../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 638);
639
640 return 1;
641 err:
642 if (s->s3.tmp.pkey == NULL((void*)0))
643 EVP_PKEY_free(key_share_key);
644 OPENSSL_free(encoded_point)CRYPTO_free(encoded_point, "../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 644);
645 return 0;
646}
647#endif
648
649EXT_RETURN tls_construct_ctos_key_share(SSL *s, WPACKET *pkt,
650 unsigned int context, X509 *x,
651 size_t chainidx)
652{
653#ifndef OPENSSL_NO_TLS1_3
654 size_t i, num_groups = 0;
655 const uint16_t *pgroups = NULL((void*)0);
656 uint16_t curve_id = 0;
657
658 /* key_share extension */
659 if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_key_share)WPACKET_put_bytes__((pkt), (51), 2)
660 /* Extension data sub-packet */
661 || !WPACKET_start_sub_packet_u16(pkt)WPACKET_start_sub_packet_len__((pkt), 2)
662 /* KeyShare list sub-packet */
663 || !WPACKET_start_sub_packet_u16(pkt)WPACKET_start_sub_packet_len__((pkt), 2)) {
664 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 664, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
665 return EXT_RETURN_FAIL;
666 }
667
668 tls1_get_supported_groups(s, &pgroups, &num_groups);
669
670 /*
671 * Make the number of key_shares sent configurable. For
672 * now, we just send one
673 */
674 if (s->s3.group_id != 0) {
675 curve_id = s->s3.group_id;
676 } else {
677 for (i = 0; i < num_groups; i++) {
678
679 if (!tls_group_allowed(s, pgroups[i], SSL_SECOP_CURVE_SUPPORTED(4 | (2 << 16))))
680 continue;
681
682 curve_id = pgroups[i];
683 break;
684 }
685 }
686
687 if (curve_id == 0) {
688 SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_NO_SUITABLE_KEY_SHARE)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 688, __func__), ossl_statem_fatal)((s), (80), (101), ((void
*)0));
689 return EXT_RETURN_FAIL;
690 }
691
692 if (!add_key_share(s, pkt, curve_id)) {
693 /* SSLfatal() already called */
694 return EXT_RETURN_FAIL;
695 }
696
697 if (!WPACKET_close(pkt) || !WPACKET_close(pkt)) {
698 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 698, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
699 return EXT_RETURN_FAIL;
700 }
701 return EXT_RETURN_SENT;
702#else
703 return EXT_RETURN_NOT_SENT;
704#endif
705}
706
707EXT_RETURN tls_construct_ctos_cookie(SSL *s, WPACKET *pkt, unsigned int context,
708 X509 *x, size_t chainidx)
709{
710 EXT_RETURN ret = EXT_RETURN_FAIL;
711
712 /* Should only be set if we've had an HRR */
713 if (s->ext.tls13_cookie_len == 0)
714 return EXT_RETURN_NOT_SENT;
715
716 if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_cookie)WPACKET_put_bytes__((pkt), (44), 2)
717 /* Extension data sub-packet */
718 || !WPACKET_start_sub_packet_u16(pkt)WPACKET_start_sub_packet_len__((pkt), 2)
719 || !WPACKET_sub_memcpy_u16(pkt, s->ext.tls13_cookie,WPACKET_sub_memcpy__((pkt), (s->ext.tls13_cookie), (s->
ext.tls13_cookie_len), 2)
720 s->ext.tls13_cookie_len)WPACKET_sub_memcpy__((pkt), (s->ext.tls13_cookie), (s->
ext.tls13_cookie_len), 2)
721 || !WPACKET_close(pkt)) {
722 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 722, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
723 goto end;
724 }
725
726 ret = EXT_RETURN_SENT;
727 end:
728 OPENSSL_free(s->ext.tls13_cookie)CRYPTO_free(s->ext.tls13_cookie, "../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 728);
729 s->ext.tls13_cookie = NULL((void*)0);
730 s->ext.tls13_cookie_len = 0;
731
732 return ret;
733}
734
735EXT_RETURN tls_construct_ctos_early_data(SSL *s, WPACKET *pkt,
736 unsigned int context, X509 *x,
737 size_t chainidx)
738{
739#ifndef OPENSSL_NO_PSK
740 char identity[PSK_MAX_IDENTITY_LEN256 + 1];
741#endif /* OPENSSL_NO_PSK */
742 const unsigned char *id = NULL((void*)0);
743 size_t idlen = 0;
744 SSL_SESSION *psksess = NULL((void*)0);
745 SSL_SESSION *edsess = NULL((void*)0);
746 const EVP_MD *handmd = NULL((void*)0);
747
748 if (s->hello_retry_request == SSL_HRR_PENDING)
749 handmd = ssl_handshake_md(s);
750
751 if (s->psk_use_session_cb != NULL((void*)0)
752 && (!s->psk_use_session_cb(s, handmd, &id, &idlen, &psksess)
753 || (psksess != NULL((void*)0)
754 && psksess->ssl_version != TLS1_3_VERSION0x0304))) {
755 SSL_SESSION_free(psksess);
756 SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_BAD_PSK)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 756, __func__), ossl_statem_fatal)((s), (80), (219), ((void
*)0));
757 return EXT_RETURN_FAIL;
758 }
759
760#ifndef OPENSSL_NO_PSK
761 if (psksess == NULL((void*)0) && s->psk_client_callback != NULL((void*)0)) {
762 unsigned char psk[PSK_MAX_PSK_LEN512];
763 size_t psklen = 0;
764
765 memset(identity, 0, sizeof(identity));
766 psklen = s->psk_client_callback(s, NULL((void*)0), identity, sizeof(identity) - 1,
767 psk, sizeof(psk));
768
769 if (psklen > PSK_MAX_PSK_LEN512) {
770 SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 770, __func__), ossl_statem_fatal)((s), (40), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
771 return EXT_RETURN_FAIL;
772 } else if (psklen > 0) {
773 const unsigned char tls13_aes128gcmsha256_id[] = { 0x13, 0x01 };
774 const SSL_CIPHER *cipher;
775
776 idlen = strlen(identity);
777 if (idlen > PSK_MAX_IDENTITY_LEN256) {
778 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 778, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
779 return EXT_RETURN_FAIL;
780 }
781 id = (unsigned char *)identity;
782
783 /*
784 * We found a PSK using an old style callback. We don't know
785 * the digest so we default to SHA256 as per the TLSv1.3 spec
786 */
787 cipher = SSL_CIPHER_find(s, tls13_aes128gcmsha256_id);
788 if (cipher == NULL((void*)0)) {
789 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 789, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
790 return EXT_RETURN_FAIL;
791 }
792
793 psksess = SSL_SESSION_new();
794 if (psksess == NULL((void*)0)
795 || !SSL_SESSION_set1_master_key(psksess, psk, psklen)
796 || !SSL_SESSION_set_cipher(psksess, cipher)
797 || !SSL_SESSION_set_protocol_version(psksess, TLS1_3_VERSION0x0304)) {
798 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 798, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
799 OPENSSL_cleanse(psk, psklen);
800 return EXT_RETURN_FAIL;
801 }
802 OPENSSL_cleanse(psk, psklen);
803 }
804 }
805#endif /* OPENSSL_NO_PSK */
806
807 SSL_SESSION_free(s->psksession);
808 s->psksession = psksess;
809 if (psksess != NULL((void*)0)) {
810 OPENSSL_free(s->psksession_id)CRYPTO_free(s->psksession_id, "../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 810);
811 s->psksession_id = OPENSSL_memdup(id, idlen)CRYPTO_memdup((id), idlen, "../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 811);
812 if (s->psksession_id == NULL((void*)0)) {
813 s->psksession_id_len = 0;
814 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 814, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
815 return EXT_RETURN_FAIL;
816 }
817 s->psksession_id_len = idlen;
818 }
819
820 if (s->early_data_state != SSL_EARLY_DATA_CONNECTING
821 || (s->session->ext.max_early_data == 0
822 && (psksess == NULL((void*)0) || psksess->ext.max_early_data == 0))) {
823 s->max_early_data = 0;
824 return EXT_RETURN_NOT_SENT;
825 }
826 edsess = s->session->ext.max_early_data != 0 ? s->session : psksess;
827 s->max_early_data = edsess->ext.max_early_data;
828
829 if (edsess->ext.hostname != NULL((void*)0)) {
830 if (s->ext.hostname == NULL((void*)0)
831 || (s->ext.hostname != NULL((void*)0)
832 && strcmp(s->ext.hostname, edsess->ext.hostname) != 0)) {
833 SSLfatal(s, SSL_AD_INTERNAL_ERROR,(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 834, __func__), ossl_statem_fatal)((s), (80), (231), ((void
*)0))
834 SSL_R_INCONSISTENT_EARLY_DATA_SNI)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 834, __func__), ossl_statem_fatal)((s), (80), (231), ((void
*)0));
835 return EXT_RETURN_FAIL;
836 }
837 }
838
839 if ((s->ext.alpn == NULL((void*)0) && edsess->ext.alpn_selected != NULL((void*)0))) {
840 SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_INCONSISTENT_EARLY_DATA_ALPN)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 840, __func__), ossl_statem_fatal)((s), (80), (222), ((void
*)0));
841 return EXT_RETURN_FAIL;
842 }
843
844 /*
845 * Verify that we are offering an ALPN protocol consistent with the early
846 * data.
847 */
848 if (edsess->ext.alpn_selected != NULL((void*)0)) {
849 PACKET prots, alpnpkt;
850 int found = 0;
851
852 if (!PACKET_buf_init(&prots, s->ext.alpn, s->ext.alpn_len)) {
853 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 853, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
854 return EXT_RETURN_FAIL;
855 }
856 while (PACKET_get_length_prefixed_1(&prots, &alpnpkt)) {
857 if (PACKET_equal(&alpnpkt, edsess->ext.alpn_selected,
858 edsess->ext.alpn_selected_len)) {
859 found = 1;
860 break;
861 }
862 }
863 if (!found) {
864 SSLfatal(s, SSL_AD_INTERNAL_ERROR,(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 865, __func__), ossl_statem_fatal)((s), (80), (222), ((void
*)0))
865 SSL_R_INCONSISTENT_EARLY_DATA_ALPN)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 865, __func__), ossl_statem_fatal)((s), (80), (222), ((void
*)0));
866 return EXT_RETURN_FAIL;
867 }
868 }
869
870 if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_early_data)WPACKET_put_bytes__((pkt), (42), 2)
871 || !WPACKET_start_sub_packet_u16(pkt)WPACKET_start_sub_packet_len__((pkt), 2)
872 || !WPACKET_close(pkt)) {
873 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 873, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
874 return EXT_RETURN_FAIL;
875 }
876
877 /*
878 * We set this to rejected here. Later, if the server acknowledges the
879 * extension, we set it to accepted.
880 */
881 s->ext.early_data = SSL_EARLY_DATA_REJECTED1;
882 s->ext.early_data_ok = 1;
883
884 return EXT_RETURN_SENT;
885}
886
887#define F5_WORKAROUND_MIN_MSG_LEN0xff 0xff
888#define F5_WORKAROUND_MAX_MSG_LEN0x200 0x200
889
890/*
891 * PSK pre binder overhead =
892 * 2 bytes for TLSEXT_TYPE_psk
893 * 2 bytes for extension length
894 * 2 bytes for identities list length
895 * 2 bytes for identity length
896 * 4 bytes for obfuscated_ticket_age
897 * 2 bytes for binder list length
898 * 1 byte for binder length
899 * The above excludes the number of bytes for the identity itself and the
900 * subsequent binder bytes
901 */
902#define PSK_PRE_BINDER_OVERHEAD(2 + 2 + 2 + 2 + 4 + 2 + 1) (2 + 2 + 2 + 2 + 4 + 2 + 1)
903
904EXT_RETURN tls_construct_ctos_padding(SSL *s, WPACKET *pkt,
905 unsigned int context, X509 *x,
906 size_t chainidx)
907{
908 unsigned char *padbytes;
909 size_t hlen;
910
911 if ((s->options & SSL_OP_TLSEXT_PADDING((uint64_t)1 << (uint64_t)4)) == 0)
912 return EXT_RETURN_NOT_SENT;
913
914 /*
915 * Add padding to workaround bugs in F5 terminators. See RFC7685.
916 * This code calculates the length of all extensions added so far but
917 * excludes the PSK extension (because that MUST be written last). Therefore
918 * this extension MUST always appear second to last.
919 */
920 if (!WPACKET_get_total_written(pkt, &hlen)) {
921 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 921, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
922 return EXT_RETURN_FAIL;
923 }
924
925 /*
926 * If we're going to send a PSK then that will be written out after this
927 * extension, so we need to calculate how long it is going to be.
928 */
929 if (s->session->ssl_version == TLS1_3_VERSION0x0304
930 && s->session->ext.ticklen != 0
931 && s->session->cipher != NULL((void*)0)) {
932 const EVP_MD *md = ssl_md(s->ctx, s->session->cipher->algorithm2);
933
934 if (md != NULL((void*)0)) {
935 /*
936 * Add the fixed PSK overhead, the identity length and the binder
937 * length.
938 */
939 hlen += PSK_PRE_BINDER_OVERHEAD(2 + 2 + 2 + 2 + 4 + 2 + 1) + s->session->ext.ticklen
940 + EVP_MD_get_size(md);
941 }
942 }
943
944 if (hlen > F5_WORKAROUND_MIN_MSG_LEN0xff && hlen < F5_WORKAROUND_MAX_MSG_LEN0x200) {
945 /* Calculate the amount of padding we need to add */
946 hlen = F5_WORKAROUND_MAX_MSG_LEN0x200 - hlen;
947
948 /*
949 * Take off the size of extension header itself (2 bytes for type and
950 * 2 bytes for length bytes), but ensure that the extension is at least
951 * 1 byte long so as not to have an empty extension last (WebSphere 7.x,
952 * 8.x are intolerant of that condition)
953 */
954 if (hlen > 4)
955 hlen -= 4;
956 else
957 hlen = 1;
958
959 if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_padding)WPACKET_put_bytes__((pkt), (21), 2)
960 || !WPACKET_sub_allocate_bytes_u16(pkt, hlen, &padbytes)WPACKET_sub_allocate_bytes__((pkt), (hlen), (&padbytes), 2
)) {
961 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 961, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
962 return EXT_RETURN_FAIL;
963 }
964 memset(padbytes, 0, hlen);
965 }
966
967 return EXT_RETURN_SENT;
968}
969
970/*
971 * Construct the pre_shared_key extension
972 */
973EXT_RETURN tls_construct_ctos_psk(SSL *s, WPACKET *pkt, unsigned int context,
974 X509 *x, size_t chainidx)
975{
976#ifndef OPENSSL_NO_TLS1_3
977 uint32_t now, agesec, agems = 0;
978 size_t reshashsize = 0, pskhashsize = 0, binderoffset, msglen;
979 unsigned char *resbinder = NULL((void*)0), *pskbinder = NULL((void*)0), *msgstart = NULL((void*)0);
980 const EVP_MD *handmd = NULL((void*)0), *mdres = NULL((void*)0), *mdpsk = NULL((void*)0);
981 int dores = 0;
982
983 s->ext.tick_identity = 0;
984
985 /*
986 * Note: At this stage of the code we only support adding a single
987 * resumption PSK. If we add support for multiple PSKs then the length
988 * calculations in the padding extension will need to be adjusted.
989 */
990
991 /*
992 * If this is an incompatible or new session then we have nothing to resume
993 * so don't add this extension.
994 */
995 if (s->session->ssl_version != TLS1_3_VERSION0x0304
996 || (s->session->ext.ticklen == 0 && s->psksession == NULL((void*)0)))
997 return EXT_RETURN_NOT_SENT;
998
999 if (s->hello_retry_request == SSL_HRR_PENDING)
1000 handmd = ssl_handshake_md(s);
1001
1002 if (s->session->ext.ticklen != 0) {
1003 /* Get the digest associated with the ciphersuite in the session */
1004 if (s->session->cipher == NULL((void*)0)) {
1005 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1005, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
1006 return EXT_RETURN_FAIL;
1007 }
1008 mdres = ssl_md(s->ctx, s->session->cipher->algorithm2);
1009 if (mdres == NULL((void*)0)) {
1010 /*
1011 * Don't recognize this cipher so we can't use the session.
1012 * Ignore it
1013 */
1014 goto dopsksess;
1015 }
1016
1017 if (s->hello_retry_request == SSL_HRR_PENDING && mdres != handmd) {
1018 /*
1019 * Selected ciphersuite hash does not match the hash for the session
1020 * so we can't use it.
1021 */
1022 goto dopsksess;
1023 }
1024
1025 /*
1026 * Technically the C standard just says time() returns a time_t and says
1027 * nothing about the encoding of that type. In practice most
1028 * implementations follow POSIX which holds it as an integral type in
1029 * seconds since epoch. We've already made the assumption that we can do
1030 * this in multiple places in the code, so portability shouldn't be an
1031 * issue.
1032 */
1033 now = (uint32_t)time(NULL((void*)0));
1034 agesec = now - (uint32_t)s->session->time;
1035 /*
1036 * We calculate the age in seconds but the server may work in ms. Due to
1037 * rounding errors we could overestimate the age by up to 1s. It is
1038 * better to underestimate it. Otherwise, if the RTT is very short, when
1039 * the server calculates the age reported by the client it could be
1040 * bigger than the age calculated on the server - which should never
1041 * happen.
1042 */
1043 if (agesec > 0)
1044 agesec--;
1045
1046 if (s->session->ext.tick_lifetime_hint < agesec) {
1047 /* Ticket is too old. Ignore it. */
1048 goto dopsksess;
1049 }
1050
1051 /*
1052 * Calculate age in ms. We're just doing it to nearest second. Should be
1053 * good enough.
1054 */
1055 agems = agesec * (uint32_t)1000;
1056
1057 if (agesec != 0 && agems / (uint32_t)1000 != agesec) {
1058 /*
1059 * Overflow. Shouldn't happen unless this is a *really* old session.
1060 * If so we just ignore it.
1061 */
1062 goto dopsksess;
1063 }
1064
1065 /*
1066 * Obfuscate the age. Overflow here is fine, this addition is supposed
1067 * to be mod 2^32.
1068 */
1069 agems += s->session->ext.tick_age_add;
1070
1071 reshashsize = EVP_MD_get_size(mdres);
1072 s->ext.tick_identity++;
1073 dores = 1;
1074 }
1075
1076 dopsksess:
1077 if (!dores && s->psksession == NULL((void*)0))
1078 return EXT_RETURN_NOT_SENT;
1079
1080 if (s->psksession != NULL((void*)0)) {
1081 mdpsk = ssl_md(s->ctx, s->psksession->cipher->algorithm2);
1082 if (mdpsk == NULL((void*)0)) {
1083 /*
1084 * Don't recognize this cipher so we can't use the session.
1085 * If this happens it's an application bug.
1086 */
1087 SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_BAD_PSK)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1087, __func__), ossl_statem_fatal)((s), (80), (219), ((void
*)0));
1088 return EXT_RETURN_FAIL;
1089 }
1090
1091 if (s->hello_retry_request == SSL_HRR_PENDING && mdpsk != handmd) {
1092 /*
1093 * Selected ciphersuite hash does not match the hash for the PSK
1094 * session. This is an application bug.
1095 */
1096 SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_BAD_PSK)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1096, __func__), ossl_statem_fatal)((s), (80), (219), ((void
*)0));
1097 return EXT_RETURN_FAIL;
1098 }
1099
1100 pskhashsize = EVP_MD_get_size(mdpsk);
1101 }
1102
1103 /* Create the extension, but skip over the binder for now */
1104 if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_psk)WPACKET_put_bytes__((pkt), (41), 2)
1105 || !WPACKET_start_sub_packet_u16(pkt)WPACKET_start_sub_packet_len__((pkt), 2)
1106 || !WPACKET_start_sub_packet_u16(pkt)WPACKET_start_sub_packet_len__((pkt), 2)) {
1107 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1107, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
1108 return EXT_RETURN_FAIL;
1109 }
1110
1111 if (dores) {
1112 if (!WPACKET_sub_memcpy_u16(pkt, s->session->ext.tick,WPACKET_sub_memcpy__((pkt), (s->session->ext.tick), (s->
session->ext.ticklen), 2)
1113 s->session->ext.ticklen)WPACKET_sub_memcpy__((pkt), (s->session->ext.tick), (s->
session->ext.ticklen), 2)
1114 || !WPACKET_put_bytes_u32(pkt, agems)WPACKET_put_bytes__((pkt), (agems), 4)) {
1115 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1115, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
1116 return EXT_RETURN_FAIL;
1117 }
1118 }
1119
1120 if (s->psksession != NULL((void*)0)) {
1121 if (!WPACKET_sub_memcpy_u16(pkt, s->psksession_id,WPACKET_sub_memcpy__((pkt), (s->psksession_id), (s->psksession_id_len
), 2)
1122 s->psksession_id_len)WPACKET_sub_memcpy__((pkt), (s->psksession_id), (s->psksession_id_len
), 2)
1123 || !WPACKET_put_bytes_u32(pkt, 0)WPACKET_put_bytes__((pkt), (0), 4)) {
1124 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1124, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
1125 return EXT_RETURN_FAIL;
1126 }
1127 s->ext.tick_identity++;
1128 }
1129
1130 if (!WPACKET_close(pkt)
1131 || !WPACKET_get_total_written(pkt, &binderoffset)
1132 || !WPACKET_start_sub_packet_u16(pkt)WPACKET_start_sub_packet_len__((pkt), 2)
1133 || (dores
1134 && !WPACKET_sub_allocate_bytes_u8(pkt, reshashsize, &resbinder)WPACKET_sub_allocate_bytes__((pkt), (reshashsize), (&resbinder
), 1))
1135 || (s->psksession != NULL((void*)0)
1136 && !WPACKET_sub_allocate_bytes_u8(pkt, pskhashsize, &pskbinder)WPACKET_sub_allocate_bytes__((pkt), (pskhashsize), (&pskbinder
), 1))
1137 || !WPACKET_close(pkt)
1138 || !WPACKET_close(pkt)
1139 || !WPACKET_get_total_written(pkt, &msglen)
1140 /*
1141 * We need to fill in all the sub-packet lengths now so we can
1142 * calculate the HMAC of the message up to the binders
1143 */
1144 || !WPACKET_fill_lengths(pkt)) {
1145 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1145, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
1146 return EXT_RETURN_FAIL;
1147 }
1148
1149 msgstart = WPACKET_get_curr(pkt) - msglen;
1150
1151 if (dores
1152 && tls_psk_do_binder(s, mdres, msgstart, binderoffset, NULL((void*)0),
1153 resbinder, s->session, 1, 0) != 1) {
1154 /* SSLfatal() already called */
1155 return EXT_RETURN_FAIL;
1156 }
1157
1158 if (s->psksession != NULL((void*)0)
1159 && tls_psk_do_binder(s, mdpsk, msgstart, binderoffset, NULL((void*)0),
1160 pskbinder, s->psksession, 1, 1) != 1) {
1161 /* SSLfatal() already called */
1162 return EXT_RETURN_FAIL;
1163 }
1164
1165 return EXT_RETURN_SENT;
1166#else
1167 return EXT_RETURN_NOT_SENT;
1168#endif
1169}
1170
1171EXT_RETURN tls_construct_ctos_post_handshake_auth(SSL *s, WPACKET *pkt,
1172 ossl_unused__attribute__((unused)) unsigned int context,
1173 ossl_unused__attribute__((unused)) X509 *x,
1174 ossl_unused__attribute__((unused)) size_t chainidx)
1175{
1176#ifndef OPENSSL_NO_TLS1_3
1177 if (!s->pha_enabled)
1178 return EXT_RETURN_NOT_SENT;
1179
1180 /* construct extension - 0 length, no contents */
1181 if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_post_handshake_auth)WPACKET_put_bytes__((pkt), (49), 2)
1182 || !WPACKET_start_sub_packet_u16(pkt)WPACKET_start_sub_packet_len__((pkt), 2)
1183 || !WPACKET_close(pkt)) {
1184 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1184, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
1185 return EXT_RETURN_FAIL;
1186 }
1187
1188 s->post_handshake_auth = SSL_PHA_EXT_SENT;
1189
1190 return EXT_RETURN_SENT;
1191#else
1192 return EXT_RETURN_NOT_SENT;
1193#endif
1194}
1195
1196#ifndef OPENSSL_NO_QUIC
1197EXT_RETURN tls_construct_ctos_quic_transport_params_draft(SSL *s, WPACKET *pkt,
1198 unsigned int context, X509 *x,
1199 size_t chainidx)
1200{
1201 if (s->quic_transport_version == TLSEXT_TYPE_quic_transport_parameters0x0039
1202 || s->ext.quic_transport_params == NULL((void*)0)
1203 || s->ext.quic_transport_params_len == 0) {
1204 return EXT_RETURN_NOT_SENT;
1205 }
1206
1207 if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_quic_transport_parameters_draft)WPACKET_put_bytes__((pkt), (0xffa5), 2)
1208 || !WPACKET_sub_memcpy_u16(pkt, s->ext.quic_transport_params,WPACKET_sub_memcpy__((pkt), (s->ext.quic_transport_params)
, (s->ext.quic_transport_params_len), 2)
1209 s->ext.quic_transport_params_len)WPACKET_sub_memcpy__((pkt), (s->ext.quic_transport_params)
, (s->ext.quic_transport_params_len), 2)) {
1210 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1210, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
1211 return EXT_RETURN_FAIL;
1212 }
1213
1214 return EXT_RETURN_SENT;
1215}
1216
1217EXT_RETURN tls_construct_ctos_quic_transport_params(SSL *s, WPACKET *pkt,
1218 unsigned int context, X509 *x,
1219 size_t chainidx)
1220{
1221 if (s->quic_transport_version == TLSEXT_TYPE_quic_transport_parameters_draft0xffa5
1222 || s->ext.quic_transport_params == NULL((void*)0)
1223 || s->ext.quic_transport_params_len == 0) {
1224 return EXT_RETURN_NOT_SENT;
1225 }
1226
1227 if (!WPACKET_put_bytes_u16(pkt, TLSEXT_TYPE_quic_transport_parameters)WPACKET_put_bytes__((pkt), (0x0039), 2)
1228 || !WPACKET_sub_memcpy_u16(pkt, s->ext.quic_transport_params,WPACKET_sub_memcpy__((pkt), (s->ext.quic_transport_params)
, (s->ext.quic_transport_params_len), 2)
1229 s->ext.quic_transport_params_len)WPACKET_sub_memcpy__((pkt), (s->ext.quic_transport_params)
, (s->ext.quic_transport_params_len), 2)) {
1230 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1230, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
1231 return EXT_RETURN_FAIL;
1232 }
1233
1234 return EXT_RETURN_SENT;
1235}
1236#endif
1237/*
1238 * Parse the server's renegotiation binding and abort if it's not right
1239 */
1240int tls_parse_stoc_renegotiate(SSL *s, PACKET *pkt, unsigned int context,
1241 X509 *x, size_t chainidx)
1242{
1243 size_t expected_len = s->s3.previous_client_finished_len
1244 + s->s3.previous_server_finished_len;
1245 size_t ilen;
1246 const unsigned char *data;
1247
1248 /* Check for logic errors */
1249 if (!ossl_assert(expected_len == 0((expected_len == 0 || s->s3.previous_client_finished_len !=
0) != 0)
1250 || s->s3.previous_client_finished_len != 0)((expected_len == 0 || s->s3.previous_client_finished_len !=
0) != 0)
1251 || !ossl_assert(expected_len == 0((expected_len == 0 || s->s3.previous_server_finished_len !=
0) != 0)
1252 || s->s3.previous_server_finished_len != 0)((expected_len == 0 || s->s3.previous_server_finished_len !=
0) != 0)) {
1253 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1253, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
1254 return 0;
1255 }
1256
1257 /* Parse the length byte */
1258 if (!PACKET_get_1_len(pkt, &ilen)) {
1259 SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_RENEGOTIATION_ENCODING_ERR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1259, __func__), ossl_statem_fatal)((s), (50), (336), ((void
*)0));
1260 return 0;
1261 }
1262
1263 /* Consistency check */
1264 if (PACKET_remaining(pkt) != ilen) {
1265 SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_RENEGOTIATION_ENCODING_ERR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1265, __func__), ossl_statem_fatal)((s), (50), (336), ((void
*)0));
1266 return 0;
1267 }
1268
1269 /* Check that the extension matches */
1270 if (ilen != expected_len) {
1271 SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_RENEGOTIATION_MISMATCH)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1271, __func__), ossl_statem_fatal)((s), (47), (337), ((void
*)0));
1272 return 0;
1273 }
1274
1275 if (!PACKET_get_bytes(pkt, &data, s->s3.previous_client_finished_len)
1276 || memcmp(data, s->s3.previous_client_finished,
1277 s->s3.previous_client_finished_len) != 0) {
1278 SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_RENEGOTIATION_MISMATCH)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1278, __func__), ossl_statem_fatal)((s), (47), (337), ((void
*)0));
1279 return 0;
1280 }
1281
1282 if (!PACKET_get_bytes(pkt, &data, s->s3.previous_server_finished_len)
1283 || memcmp(data, s->s3.previous_server_finished,
1284 s->s3.previous_server_finished_len) != 0) {
1285 SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_RENEGOTIATION_MISMATCH)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1285, __func__), ossl_statem_fatal)((s), (47), (337), ((void
*)0));
1286 return 0;
1287 }
1288 s->s3.send_connection_binding = 1;
1289
1290 return 1;
1291}
1292
1293/* Parse the server's max fragment len extension packet */
1294int tls_parse_stoc_maxfragmentlen(SSL *s, PACKET *pkt, unsigned int context,
1295 X509 *x, size_t chainidx)
1296{
1297 unsigned int value;
1298
1299 if (PACKET_remaining(pkt) != 1 || !PACKET_get_1(pkt, &value)) {
1300 SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1300, __func__), ossl_statem_fatal)((s), (50), (110), ((void
*)0));
1301 return 0;
1302 }
1303
1304 /* |value| should contains a valid max-fragment-length code. */
1305 if (!IS_MAX_FRAGMENT_LENGTH_EXT_VALID(value)(((value) >= 1) && ((value) <= 4))) {
1306 SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER,(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1307, __func__), ossl_statem_fatal)((s), (47), (232), ((void
*)0))
1307 SSL_R_SSL3_EXT_INVALID_MAX_FRAGMENT_LENGTH)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1307, __func__), ossl_statem_fatal)((s), (47), (232), ((void
*)0));
1308 return 0;
1309 }
1310
1311 /* Must be the same value as client-configured one who was sent to server */
1312 /*-
1313 * RFC 6066: if a client receives a maximum fragment length negotiation
1314 * response that differs from the length it requested, ...
1315 * It must abort with SSL_AD_ILLEGAL_PARAMETER alert
1316 */
1317 if (value != s->ext.max_fragment_len_mode) {
1318 SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER,(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1319, __func__), ossl_statem_fatal)((s), (47), (232), ((void
*)0))
1319 SSL_R_SSL3_EXT_INVALID_MAX_FRAGMENT_LENGTH)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1319, __func__), ossl_statem_fatal)((s), (47), (232), ((void
*)0));
1320 return 0;
1321 }
1322
1323 /*
1324 * Maximum Fragment Length Negotiation succeeded.
1325 * The negotiated Maximum Fragment Length is binding now.
1326 */
1327 s->session->ext.max_fragment_len_mode = value;
1328
1329 return 1;
1330}
1331
1332int tls_parse_stoc_server_name(SSL *s, PACKET *pkt, unsigned int context,
1333 X509 *x, size_t chainidx)
1334{
1335 if (s->ext.hostname == NULL((void*)0)) {
1336 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1336, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
1337 return 0;
1338 }
1339
1340 if (PACKET_remaining(pkt) > 0) {
1341 SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1341, __func__), ossl_statem_fatal)((s), (50), (110), ((void
*)0));
1342 return 0;
1343 }
1344
1345 if (!s->hit) {
1346 if (s->session->ext.hostname != NULL((void*)0)) {
1347 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1347, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
1348 return 0;
1349 }
1350 s->session->ext.hostname = OPENSSL_strdup(s->ext.hostname)CRYPTO_strdup(s->ext.hostname, "../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1350);
1351 if (s->session->ext.hostname == NULL((void*)0)) {
1352 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1352, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
1353 return 0;
1354 }
1355 }
1356
1357 return 1;
1358}
1359
1360int tls_parse_stoc_ec_pt_formats(SSL *s, PACKET *pkt, unsigned int context,
1361 X509 *x, size_t chainidx)
1362{
1363 size_t ecpointformats_len;
1364 PACKET ecptformatlist;
1365
1366 if (!PACKET_as_length_prefixed_1(pkt, &ecptformatlist)) {
1367 SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1367, __func__), ossl_statem_fatal)((s), (50), (110), ((void
*)0));
1368 return 0;
1369 }
1370 if (!s->hit) {
1371 ecpointformats_len = PACKET_remaining(&ecptformatlist);
1372 if (ecpointformats_len == 0) {
1373 SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_LENGTH)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1373, __func__), ossl_statem_fatal)((s), (50), (271), ((void
*)0));
1374 return 0;
1375 }
1376
1377 s->ext.peer_ecpointformats_len = 0;
1378 OPENSSL_free(s->ext.peer_ecpointformats)CRYPTO_free(s->ext.peer_ecpointformats, "../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1378);
1379 s->ext.peer_ecpointformats = OPENSSL_malloc(ecpointformats_len)CRYPTO_malloc(ecpointformats_len, "../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1379);
1380 if (s->ext.peer_ecpointformats == NULL((void*)0)) {
1381 s->ext.peer_ecpointformats_len = 0;
1382 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1382, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
1383 return 0;
1384 }
1385
1386 s->ext.peer_ecpointformats_len = ecpointformats_len;
1387
1388 if (!PACKET_copy_bytes(&ecptformatlist,
1389 s->ext.peer_ecpointformats,
1390 ecpointformats_len)) {
1391 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1391, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
1392 return 0;
1393 }
1394 }
1395
1396 return 1;
1397}
1398
1399int tls_parse_stoc_session_ticket(SSL *s, PACKET *pkt, unsigned int context,
1400 X509 *x, size_t chainidx)
1401{
1402 if (s->ext.session_ticket_cb != NULL((void*)0) &&
1403 !s->ext.session_ticket_cb(s, PACKET_data(pkt),
1404 PACKET_remaining(pkt),
1405 s->ext.session_ticket_cb_arg)) {
1406 SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_R_BAD_EXTENSION)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1406, __func__), ossl_statem_fatal)((s), (40), (110), ((void
*)0));
1407 return 0;
1408 }
1409
1410 if (!tls_use_ticket(s)) {
1411 SSLfatal(s, SSL_AD_UNSUPPORTED_EXTENSION, SSL_R_BAD_EXTENSION)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1411, __func__), ossl_statem_fatal)((s), (110), (110), ((void
*)0));
1412 return 0;
1413 }
1414 if (PACKET_remaining(pkt) > 0) {
1415 SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1415, __func__), ossl_statem_fatal)((s), (50), (110), ((void
*)0));
1416 return 0;
1417 }
1418
1419 s->ext.ticket_expected = 1;
1420
1421 return 1;
1422}
1423
1424#ifndef OPENSSL_NO_OCSP
1425int tls_parse_stoc_status_request(SSL *s, PACKET *pkt, unsigned int context,
1426 X509 *x, size_t chainidx)
1427{
1428 if (context == SSL_EXT_TLS1_3_CERTIFICATE_REQUEST0x4000) {
1429 /* We ignore this if the server sends a CertificateRequest */
1430 return 1;
1431 }
1432
1433 /*
1434 * MUST only be sent if we've requested a status
1435 * request message. In TLS <= 1.2 it must also be empty.
1436 */
1437 if (s->ext.status_type != TLSEXT_STATUSTYPE_ocsp1) {
1438 SSLfatal(s, SSL_AD_UNSUPPORTED_EXTENSION, SSL_R_BAD_EXTENSION)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1438, __func__), ossl_statem_fatal)((s), (110), (110), ((void
*)0));
1439 return 0;
1440 }
1441 if (!SSL_IS_TLS13(s)(!(s->method->ssl3_enc->enc_flags & 0x8) &&
(s)->method->version >= 0x0304 && (s)->method
->version != 0x10000) && PACKET_remaining(pkt) > 0) {
1442 SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1442, __func__), ossl_statem_fatal)((s), (50), (110), ((void
*)0));
1443 return 0;
1444 }
1445
1446 if (SSL_IS_TLS13(s)(!(s->method->ssl3_enc->enc_flags & 0x8) &&
(s)->method->version >= 0x0304 && (s)->method
->version != 0x10000)) {
1447 /* We only know how to handle this if it's for the first Certificate in
1448 * the chain. We ignore any other responses.
1449 */
1450 if (chainidx != 0)
1451 return 1;
1452
1453 /* SSLfatal() already called */
1454 return tls_process_cert_status_body(s, pkt);
1455 }
1456
1457 /* Set flag to expect CertificateStatus message */
1458 s->ext.status_expected = 1;
1459
1460 return 1;
1461}
1462#endif
1463
1464
1465#ifndef OPENSSL_NO_CT
1466int tls_parse_stoc_sct(SSL *s, PACKET *pkt, unsigned int context, X509 *x,
1467 size_t chainidx)
1468{
1469 if (context == SSL_EXT_TLS1_3_CERTIFICATE_REQUEST0x4000) {
1470 /* We ignore this if the server sends it in a CertificateRequest */
1471 return 1;
1472 }
1473
1474 /*
1475 * Only take it if we asked for it - i.e if there is no CT validation
1476 * callback set, then a custom extension MAY be processing it, so we
1477 * need to let control continue to flow to that.
1478 */
1479 if (s->ct_validation_callback != NULL((void*)0)) {
1480 size_t size = PACKET_remaining(pkt);
1481
1482 /* Simply copy it off for later processing */
1483 OPENSSL_free(s->ext.scts)CRYPTO_free(s->ext.scts, "../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1483);
1484 s->ext.scts = NULL((void*)0);
1485
1486 s->ext.scts_len = (uint16_t)size;
1487 if (size > 0) {
1488 s->ext.scts = OPENSSL_malloc(size)CRYPTO_malloc(size, "../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1488);
1489 if (s->ext.scts == NULL((void*)0)) {
1490 s->ext.scts_len = 0;
1491 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1491, __func__), ossl_statem_fatal)((s), (80), ((256|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
1492 return 0;
1493 }
1494 if (!PACKET_copy_bytes(pkt, s->ext.scts, size)) {
1495 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1495, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
1496 return 0;
1497 }
1498 }
1499 } else {
1500 ENDPOINT role = (context & SSL_EXT_TLS1_2_SERVER_HELLO0x0100) != 0
1501 ? ENDPOINT_CLIENT : ENDPOINT_BOTH;
1502
1503 /*
1504 * If we didn't ask for it then there must be a custom extension,
1505 * otherwise this is unsolicited.
1506 */
1507 if (custom_ext_find(&s->cert->custext, role,
1508 TLSEXT_TYPE_signed_certificate_timestamp18,
1509 NULL((void*)0)) == NULL((void*)0)) {
1510 SSLfatal(s, TLS1_AD_UNSUPPORTED_EXTENSION, SSL_R_BAD_EXTENSION)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1510, __func__), ossl_statem_fatal)((s), (110), (110), ((void
*)0));
1511 return 0;
1512 }
1513
1514 if (!custom_ext_parse(s, context,
1515 TLSEXT_TYPE_signed_certificate_timestamp18,
1516 PACKET_data(pkt), PACKET_remaining(pkt),
1517 x, chainidx)) {
1518 /* SSLfatal already called */
1519 return 0;
1520 }
1521 }
1522
1523 return 1;
1524}
1525#endif
1526
1527
1528#ifndef OPENSSL_NO_NEXTPROTONEG
1529/*
1530 * ssl_next_proto_validate validates a Next Protocol Negotiation block. No
1531 * elements of zero length are allowed and the set of elements must exactly
1532 * fill the length of the block. Returns 1 on success or 0 on failure.
1533 */
1534static int ssl_next_proto_validate(SSL *s, PACKET *pkt)
1535{
1536 PACKET tmp_protocol;
1537
1538 while (PACKET_remaining(pkt)) {
1539 if (!PACKET_get_length_prefixed_1(pkt, &tmp_protocol)
1540 || PACKET_remaining(&tmp_protocol) == 0) {
1541 SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1541, __func__), ossl_statem_fatal)((s), (50), (110), ((void
*)0));
1542 return 0;
1543 }
1544 }
1545
1546 return 1;
1547}
1548
1549int tls_parse_stoc_npn(SSL *s, PACKET *pkt, unsigned int context, X509 *x,
1550 size_t chainidx)
1551{
1552 unsigned char *selected;
1553 unsigned char selected_len;
1554 PACKET tmppkt;
1555
1556 /* Check if we are in a renegotiation. If so ignore this extension */
1557 if (!SSL_IS_FIRST_HANDSHAKE(s)((s)->s3.tmp.finish_md_len == 0 || (s)->s3.tmp.peer_finish_md_len
== 0))
1558 return 1;
1559
1560 /* We must have requested it. */
1561 if (s->ctx->ext.npn_select_cb == NULL((void*)0)) {
1562 SSLfatal(s, SSL_AD_UNSUPPORTED_EXTENSION, SSL_R_BAD_EXTENSION)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1562, __func__), ossl_statem_fatal)((s), (110), (110), ((void
*)0));
1563 return 0;
1564 }
1565
1566 /* The data must be valid */
1567 tmppkt = *pkt;
1568 if (!ssl_next_proto_validate(s, &tmppkt)) {
1569 /* SSLfatal() already called */
1570 return 0;
1571 }
1572 if (s->ctx->ext.npn_select_cb(s, &selected, &selected_len,
1573 PACKET_data(pkt),
1574 PACKET_remaining(pkt),
1575 s->ctx->ext.npn_select_cb_arg) !=
1576 SSL_TLSEXT_ERR_OK0) {
1577 SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE, SSL_R_BAD_EXTENSION)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1577, __func__), ossl_statem_fatal)((s), (40), (110), ((void
*)0));
1578 return 0;
1579 }
1580
1581 /*
1582 * Could be non-NULL if server has sent multiple NPN extensions in
1583 * a single Serverhello
1584 */
1585 OPENSSL_free(s->ext.npn)CRYPTO_free(s->ext.npn, "../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1585);
1586 s->ext.npn = OPENSSL_malloc(selected_len)CRYPTO_malloc(selected_len, "../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1586);
1587 if (s->ext.npn == NULL((void*)0)) {
1588 s->ext.npn_len = 0;
1589 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1589, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
1590 return 0;
1591 }
1592
1593 memcpy(s->ext.npn, selected, selected_len);
1594 s->ext.npn_len = selected_len;
1595 s->s3.npn_seen = 1;
1596
1597 return 1;
1598}
1599#endif
1600
1601int tls_parse_stoc_alpn(SSL *s, PACKET *pkt, unsigned int context, X509 *x,
1602 size_t chainidx)
1603{
1604 size_t len;
1605
1606 /* We must have requested it. */
1607 if (!s->s3.alpn_sent) {
1608 SSLfatal(s, SSL_AD_UNSUPPORTED_EXTENSION, SSL_R_BAD_EXTENSION)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1608, __func__), ossl_statem_fatal)((s), (110), (110), ((void
*)0));
1609 return 0;
1610 }
1611 /*-
1612 * The extension data consists of:
1613 * uint16 list_length
1614 * uint8 proto_length;
1615 * uint8 proto[proto_length];
1616 */
1617 if (!PACKET_get_net_2_len(pkt, &len)
1618 || PACKET_remaining(pkt) != len || !PACKET_get_1_len(pkt, &len)
1619 || PACKET_remaining(pkt) != len) {
1620 SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1620, __func__), ossl_statem_fatal)((s), (50), (110), ((void
*)0));
1621 return 0;
1622 }
1623 OPENSSL_free(s->s3.alpn_selected)CRYPTO_free(s->s3.alpn_selected, "../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1623);
1624 s->s3.alpn_selected = OPENSSL_malloc(len)CRYPTO_malloc(len, "../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1624);
1625 if (s->s3.alpn_selected == NULL((void*)0)) {
1626 s->s3.alpn_selected_len = 0;
1627 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1627, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
1628 return 0;
1629 }
1630 if (!PACKET_copy_bytes(pkt, s->s3.alpn_selected, len)) {
1631 SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1631, __func__), ossl_statem_fatal)((s), (50), (110), ((void
*)0));
1632 return 0;
1633 }
1634 s->s3.alpn_selected_len = len;
1635
1636 if (s->session->ext.alpn_selected == NULL((void*)0)
1637 || s->session->ext.alpn_selected_len != len
1638 || memcmp(s->session->ext.alpn_selected, s->s3.alpn_selected, len)
1639 != 0) {
1640 /* ALPN not consistent with the old session so cannot use early_data */
1641 s->ext.early_data_ok = 0;
1642 }
1643 if (!s->hit) {
1644 /*
1645 * This is a new session and so alpn_selected should have been
1646 * initialised to NULL. We should update it with the selected ALPN.
1647 */
1648 if (!ossl_assert(s->session->ext.alpn_selected == NULL)((s->session->ext.alpn_selected == ((void*)0)) != 0)) {
1649 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1649, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
1650 return 0;
1651 }
1652 s->session->ext.alpn_selected =
1653 OPENSSL_memdup(s->s3.alpn_selected, s->s3.alpn_selected_len)CRYPTO_memdup((s->s3.alpn_selected), s->s3.alpn_selected_len
, "../deps/openssl/openssl/ssl/statem/extensions_clnt.c", 1653
);
1654 if (s->session->ext.alpn_selected == NULL((void*)0)) {
1655 s->session->ext.alpn_selected_len = 0;
1656 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1656, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
1657 return 0;
1658 }
1659 s->session->ext.alpn_selected_len = s->s3.alpn_selected_len;
1660 }
1661
1662 return 1;
1663}
1664
1665#ifndef OPENSSL_NO_SRTP
1666int tls_parse_stoc_use_srtp(SSL *s, PACKET *pkt, unsigned int context, X509 *x,
1667 size_t chainidx)
1668{
1669 unsigned int id, ct, mki;
1670 int i;
1671 STACK_OF(SRTP_PROTECTION_PROFILE)struct stack_st_SRTP_PROTECTION_PROFILE *clnt;
1672 SRTP_PROTECTION_PROFILE *prof;
1673
1674 if (!PACKET_get_net_2(pkt, &ct) || ct != 2
1675 || !PACKET_get_net_2(pkt, &id)
1676 || !PACKET_get_1(pkt, &mki)
1677 || PACKET_remaining(pkt) != 0) {
1678 SSLfatal(s, SSL_AD_DECODE_ERROR,(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1679, __func__), ossl_statem_fatal)((s), (50), (353), ((void
*)0))
1679 SSL_R_BAD_SRTP_PROTECTION_PROFILE_LIST)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1679, __func__), ossl_statem_fatal)((s), (50), (353), ((void
*)0));
1680 return 0;
1681 }
1682
1683 if (mki != 0) {
1684 /* Must be no MKI, since we never offer one */
1685 SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_BAD_SRTP_MKI_VALUE)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1685, __func__), ossl_statem_fatal)((s), (47), (352), ((void
*)0));
1686 return 0;
1687 }
1688
1689 /* Throw an error if the server gave us an unsolicited extension */
1690 clnt = SSL_get_srtp_profiles(s);
1691 if (clnt == NULL((void*)0)) {
1692 SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_NO_SRTP_PROFILES)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1692, __func__), ossl_statem_fatal)((s), (50), (359), ((void
*)0));
1693 return 0;
1694 }
1695
1696 /*
1697 * Check to see if the server gave us something we support (and
1698 * presumably offered)
1699 */
1700 for (i = 0; i < sk_SRTP_PROTECTION_PROFILE_num(clnt)OPENSSL_sk_num(ossl_check_const_SRTP_PROTECTION_PROFILE_sk_type
(clnt)); i++) {
1701 prof = sk_SRTP_PROTECTION_PROFILE_value(clnt, i)((SRTP_PROTECTION_PROFILE *)OPENSSL_sk_value(ossl_check_const_SRTP_PROTECTION_PROFILE_sk_type
(clnt), (i)));
1702
1703 if (prof->id == id) {
1704 s->srtp_profile = prof;
1705 return 1;
1706 }
1707 }
1708
1709 SSLfatal(s, SSL_AD_DECODE_ERROR,(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1710, __func__), ossl_statem_fatal)((s), (50), (353), ((void
*)0))
1710 SSL_R_BAD_SRTP_PROTECTION_PROFILE_LIST)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1710, __func__), ossl_statem_fatal)((s), (50), (353), ((void
*)0));
1711 return 0;
1712}
1713#endif
1714
1715int tls_parse_stoc_etm(SSL *s, PACKET *pkt, unsigned int context, X509 *x,
1716 size_t chainidx)
1717{
1718 /* Ignore if inappropriate ciphersuite */
1719 if (!(s->options & SSL_OP_NO_ENCRYPT_THEN_MAC((uint64_t)1 << (uint64_t)19))
1720 && s->s3.tmp.new_cipher->algorithm_mac != SSL_AEAD0x00000040U
1721 && s->s3.tmp.new_cipher->algorithm_enc != SSL_RC40x00000004U
1722 && s->s3.tmp.new_cipher->algorithm_enc != SSL_eGOST2814789CNT0x00000400U
1723 && s->s3.tmp.new_cipher->algorithm_enc != SSL_eGOST2814789CNT120x00040000U
1724 && s->s3.tmp.new_cipher->algorithm_enc != SSL_MAGMA0x00400000U
1725 && s->s3.tmp.new_cipher->algorithm_enc != SSL_KUZNYECHIK0x00800000U)
1726 s->ext.use_etm = 1;
1727
1728 return 1;
1729}
1730
1731int tls_parse_stoc_ems(SSL *s, PACKET *pkt, unsigned int context, X509 *x,
1732 size_t chainidx)
1733{
1734 if (s->options & SSL_OP_NO_EXTENDED_MASTER_SECRET((uint64_t)1 << (uint64_t)0))
1735 return 1;
1736 s->s3.flags |= TLS1_FLAGS_RECEIVED_EXTMS0x0200;
1737 if (!s->hit)
1738 s->session->flags |= SSL_SESS_FLAG_EXTMS0x1;
1739
1740 return 1;
1741}
1742
1743int tls_parse_stoc_supported_versions(SSL *s, PACKET *pkt, unsigned int context,
1744 X509 *x, size_t chainidx)
1745{
1746 unsigned int version;
1747
1748 if (!PACKET_get_net_2(pkt, &version)
1749 || PACKET_remaining(pkt) != 0) {
1750 SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1750, __func__), ossl_statem_fatal)((s), (50), (159), ((void
*)0));
1751 return 0;
1752 }
1753
1754 /*
1755 * The only protocol version we support which is valid in this extension in
1756 * a ServerHello is TLSv1.3 therefore we shouldn't be getting anything else.
1757 */
1758 if (version != TLS1_3_VERSION0x0304) {
1759 SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER,(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1760, __func__), ossl_statem_fatal)((s), (47), (116), ((void
*)0))
1760 SSL_R_BAD_PROTOCOL_VERSION_NUMBER)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1760, __func__), ossl_statem_fatal)((s), (47), (116), ((void
*)0));
1761 return 0;
1762 }
1763
1764 /* We ignore this extension for HRRs except to sanity check it */
1765 if (context == SSL_EXT_TLS1_3_HELLO_RETRY_REQUEST0x0800)
1766 return 1;
1767
1768 /* We just set it here. We validate it in ssl_choose_client_version */
1769 s->version = version;
1770
1771 return 1;
1772}
1773
1774int tls_parse_stoc_key_share(SSL *s, PACKET *pkt, unsigned int context, X509 *x,
1775 size_t chainidx)
1776{
1777#ifndef OPENSSL_NO_TLS1_3
1778 unsigned int group_id;
1779 PACKET encoded_pt;
1780 EVP_PKEY *ckey = s->s3.tmp.pkey, *skey = NULL((void*)0);
1781 const TLS_GROUP_INFO *ginf = NULL((void*)0);
1782
1783 /* Sanity check */
1784 if (ckey == NULL((void*)0) || s->s3.peer_tmp != NULL((void*)0)) {
1785 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1785, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
1786 return 0;
1787 }
1788
1789 if (!PACKET_get_net_2(pkt, &group_id)) {
1790 SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1790, __func__), ossl_statem_fatal)((s), (50), (159), ((void
*)0));
1791 return 0;
1792 }
1793
1794 if ((context & SSL_EXT_TLS1_3_HELLO_RETRY_REQUEST0x0800) != 0) {
1795 const uint16_t *pgroups = NULL((void*)0);
1796 size_t i, num_groups;
1797
1798 if (PACKET_remaining(pkt) != 0) {
1799 SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1799, __func__), ossl_statem_fatal)((s), (50), (159), ((void
*)0));
1800 return 0;
1801 }
1802
1803 /*
1804 * It is an error if the HelloRetryRequest wants a key_share that we
1805 * already sent in the first ClientHello
1806 */
1807 if (group_id == s->s3.group_id) {
1808 SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_BAD_KEY_SHARE)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1808, __func__), ossl_statem_fatal)((s), (47), (108), ((void
*)0));
1809 return 0;
1810 }
1811
1812 /* Validate the selected group is one we support */
1813 tls1_get_supported_groups(s, &pgroups, &num_groups);
1814 for (i = 0; i < num_groups; i++) {
1815 if (group_id == pgroups[i])
1816 break;
1817 }
1818 if (i >= num_groups
1819 || !tls_group_allowed(s, group_id, SSL_SECOP_CURVE_SUPPORTED(4 | (2 << 16)))) {
1820 SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_BAD_KEY_SHARE)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1820, __func__), ossl_statem_fatal)((s), (47), (108), ((void
*)0));
1821 return 0;
1822 }
1823
1824 s->s3.group_id = group_id;
1825 EVP_PKEY_free(s->s3.tmp.pkey);
1826 s->s3.tmp.pkey = NULL((void*)0);
1827 return 1;
1828 }
1829
1830 if (group_id != s->s3.group_id) {
1831 /*
1832 * This isn't for the group that we sent in the original
1833 * key_share!
1834 */
1835 SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_BAD_KEY_SHARE)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1835, __func__), ossl_statem_fatal)((s), (47), (108), ((void
*)0));
1836 return 0;
1837 }
1838 /* Retain this group in the SSL_SESSION */
1839 if (!s->hit) {
1840 s->session->kex_group = group_id;
1841 } else if (group_id != s->session->kex_group) {
1842 /*
1843 * If this is a resumption but changed what group was used, we need
1844 * to record the new group in the session, but the session is not
1845 * a new session and could be in use by other threads. So, make
1846 * a copy of the session to record the new information so that it's
1847 * useful for any sessions resumed from tickets issued on this
1848 * connection.
1849 */
1850 SSL_SESSION *new_sess;
1851
1852 if ((new_sess = ssl_session_dup(s->session, 0)) == NULL((void*)0)) {
1853 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_MALLOC_FAILURE)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1853, __func__), ossl_statem_fatal)((s), (80), ((256|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
1854 return 0;
1855 }
1856 SSL_SESSION_free(s->session);
1857 s->session = new_sess;
1858 s->session->kex_group = group_id;
1859 }
1860
1861 if ((ginf = tls1_group_id_lookup(s->ctx, group_id)) == NULL((void*)0)) {
1862 SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_BAD_KEY_SHARE)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1862, __func__), ossl_statem_fatal)((s), (47), (108), ((void
*)0));
1863 return 0;
1864 }
1865
1866 if (!PACKET_as_length_prefixed_2(pkt, &encoded_pt)
1867 || PACKET_remaining(&encoded_pt) == 0) {
1868 SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1868, __func__), ossl_statem_fatal)((s), (50), (159), ((void
*)0));
1869 return 0;
1870 }
1871
1872 if (!ginf->is_kem) {
1873 /* Regular KEX */
1874 skey = EVP_PKEY_new();
1875 if (skey == NULL((void*)0) || EVP_PKEY_copy_parameters(skey, ckey) <= 0) {
1876 SSLfatal(s, SSL_AD_INTERNAL_ERROR, SSL_R_COPY_PARAMETERS_FAILED)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1876, __func__), ossl_statem_fatal)((s), (80), (296), ((void
*)0));
1877 EVP_PKEY_free(skey);
1878 return 0;
1879 }
1880
1881 if (tls13_set_encoded_pub_key(skey, PACKET_data(&encoded_pt),
1882 PACKET_remaining(&encoded_pt)) <= 0) {
1883 SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_BAD_ECPOINT)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1883, __func__), ossl_statem_fatal)((s), (47), (306), ((void
*)0));
1884 EVP_PKEY_free(skey);
1885 return 0;
1886 }
1887
1888 if (ssl_derive(s, ckey, skey, 1) == 0) {
1889 /* SSLfatal() already called */
1890 EVP_PKEY_free(skey);
1891 return 0;
1892 }
1893 s->s3.peer_tmp = skey;
1894 } else {
1895 /* KEM Mode */
1896 const unsigned char *ct = PACKET_data(&encoded_pt);
1897 size_t ctlen = PACKET_remaining(&encoded_pt);
1898
1899 if (ssl_decapsulate(s, ckey, ct, ctlen, 1) == 0) {
1900 /* SSLfatal() already called */
1901 return 0;
1902 }
1903 }
1904 s->s3.did_kex = 1;
1905#endif
1906
1907 return 1;
1908}
1909
1910int tls_parse_stoc_cookie(SSL *s, PACKET *pkt, unsigned int context, X509 *x,
1911 size_t chainidx)
1912{
1913 PACKET cookie;
1914
1915 if (!PACKET_as_length_prefixed_2(pkt, &cookie)
1916 || !PACKET_memdup(&cookie, &s->ext.tls13_cookie,
1917 &s->ext.tls13_cookie_len)) {
1918 SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1918, __func__), ossl_statem_fatal)((s), (50), (159), ((void
*)0));
1919 return 0;
1920 }
1921
1922 return 1;
1923}
1924
1925int tls_parse_stoc_early_data(SSL *s, PACKET *pkt, unsigned int context,
1926 X509 *x, size_t chainidx)
1927{
1928 if (context == SSL_EXT_TLS1_3_NEW_SESSION_TICKET0x2000) {
1929 unsigned long max_early_data;
1930
1931 if (!PACKET_get_net_4(pkt, &max_early_data)
1932 || PACKET_remaining(pkt) != 0) {
1933 SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_INVALID_MAX_EARLY_DATA)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1933, __func__), ossl_statem_fatal)((s), (50), (174), ((void
*)0));
1934 return 0;
1935 }
1936
1937#ifndef OPENSSL_NO_QUIC
1938 /*
1939 * QUIC server must send 0xFFFFFFFF or it's a PROTOCOL_VIOLATION
1940 * per RFC9001 S4.6.1
1941 */
1942 if (SSL_IS_QUIC(s)(s->quic_method != ((void*)0)) && max_early_data != 0xFFFFFFFF) {
1943 SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_INVALID_MAX_EARLY_DATA)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1943, __func__), ossl_statem_fatal)((s), (47), (174), ((void
*)0));
1944 return 0;
1945 }
1946#endif
1947
1948 s->session->ext.max_early_data = max_early_data;
1949
1950 return 1;
1951 }
1952
1953 if (PACKET_remaining(pkt) != 0) {
1954 SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_BAD_EXTENSION)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1954, __func__), ossl_statem_fatal)((s), (50), (110), ((void
*)0));
1955 return 0;
1956 }
1957
1958 if (!s->ext.early_data_ok
1959 || !s->hit) {
1960 /*
1961 * If we get here then we didn't send early data, or we didn't resume
1962 * using the first identity, or the SNI/ALPN is not consistent so the
1963 * server should not be accepting it.
1964 */
1965 SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_BAD_EXTENSION)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1965, __func__), ossl_statem_fatal)((s), (47), (110), ((void
*)0));
1966 return 0;
1967 }
1968
1969 s->ext.early_data = SSL_EARLY_DATA_ACCEPTED2;
1970
1971 return 1;
1972}
1973
1974int tls_parse_stoc_psk(SSL *s, PACKET *pkt, unsigned int context, X509 *x,
1975 size_t chainidx)
1976{
1977#ifndef OPENSSL_NO_TLS1_3
1978 unsigned int identity;
1979
1980 if (!PACKET_get_net_2(pkt, &identity) || PACKET_remaining(pkt) != 0) {
1981 SSLfatal(s, SSL_AD_DECODE_ERROR, SSL_R_LENGTH_MISMATCH)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1981, __func__), ossl_statem_fatal)((s), (50), (159), ((void
*)0));
1982 return 0;
1983 }
1984
1985 if (identity >= (unsigned int)s->ext.tick_identity) {
1986 SSLfatal(s, SSL_AD_ILLEGAL_PARAMETER, SSL_R_BAD_PSK_IDENTITY)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 1986, __func__), ossl_statem_fatal)((s), (47), (114), ((void
*)0));
1987 return 0;
1988 }
1989
1990 /*
1991 * Session resumption tickets are always sent before PSK tickets. If the
1992 * ticket index is 0 then it must be for a session resumption ticket if we
1993 * sent two tickets, or if we didn't send a PSK ticket.
1994 */
1995 if (identity == 0 && (s->psksession == NULL((void*)0) || s->ext.tick_identity == 2)) {
1996 s->hit = 1;
1997 SSL_SESSION_free(s->psksession);
1998 s->psksession = NULL((void*)0);
1999 return 1;
2000 }
2001
2002 if (s->psksession == NULL((void*)0)) {
2003 /* Should never happen */
2004 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 2004, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
2005 return 0;
2006 }
2007
2008 /*
2009 * If we used the external PSK for sending early_data then s->early_secret
2010 * is already set up, so don't overwrite it. Otherwise we copy the
2011 * early_secret across that we generated earlier.
2012 */
2013 if ((s->early_data_state != SSL_EARLY_DATA_WRITE_RETRY
2014 && s->early_data_state != SSL_EARLY_DATA_FINISHED_WRITING)
2015 || s->session->ext.max_early_data > 0
2016 || s->psksession->ext.max_early_data == 0)
2017 memcpy(s->early_secret, s->psksession->early_secret, EVP_MAX_MD_SIZE64);
2018
2019 SSL_SESSION_free(s->session);
2020 s->session = s->psksession;
2021 s->psksession = NULL((void*)0);
2022 s->hit = 1;
2023 /* Early data is only allowed if we used the first ticket */
2024 if (identity != 0)
2025 s->ext.early_data_ok = 0;
2026#endif
2027
2028 return 1;
2029}
2030#ifndef OPENSSL_NO_QUIC
2031int tls_parse_stoc_quic_transport_params_draft(SSL *s, PACKET *pkt,
2032 unsigned int context, X509 *x,
2033 size_t chainidx)
2034{
2035 OPENSSL_free(s->ext.peer_quic_transport_params_draft)CRYPTO_free(s->ext.peer_quic_transport_params_draft, "../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 2035);
2036 s->ext.peer_quic_transport_params_draft = NULL((void*)0);
2037 s->ext.peer_quic_transport_params_draft_len = 0;
2038
2039 if (!PACKET_memdup(pkt,
2040 &s->ext.peer_quic_transport_params_draft,
2041 &s->ext.peer_quic_transport_params_draft_len)) {
2042 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 2042, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
2043 return 0;
2044 }
2045 return 1;
2046}
2047
2048int tls_parse_stoc_quic_transport_params(SSL *s, PACKET *pkt, unsigned int context,
2049 X509 *x, size_t chainidx)
2050{
2051 OPENSSL_free(s->ext.peer_quic_transport_params)CRYPTO_free(s->ext.peer_quic_transport_params, "../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 2051);
2052 s->ext.peer_quic_transport_params = NULL((void*)0);
2053 s->ext.peer_quic_transport_params_len = 0;
2054
2055 if (!PACKET_memdup(pkt,
2056 &s->ext.peer_quic_transport_params,
2057 &s->ext.peer_quic_transport_params_len)) {
2058 SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR)(ERR_new(), ERR_set_debug("../deps/openssl/openssl/ssl/statem/extensions_clnt.c"
, 2058, __func__), ossl_statem_fatal)((s), (80), ((259|((0x1 <<
18L)|(0x2 << 18L)))), ((void*)0));
2059 return 0;
2060 }
2061 return 1;
2062}
2063#endif