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846e33c7 | 1 | /* |
3c95ef22 | 2 | * Copyright 1995-2023 The OpenSSL Project Authors. All Rights Reserved. |
aa8f3d76 | 3 | * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved |
c80149d9 | 4 | * Copyright 2005 Nokia. All rights reserved. |
5a4fbc69 | 5 | * |
2c18d164 | 6 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
846e33c7 RS |
7 | * this file except in compliance with the License. You can obtain a copy |
8 | * in the file LICENSE in the source distribution or at | |
9 | * https://www.openssl.org/source/license.html | |
5a4fbc69 | 10 | */ |
846e33c7 | 11 | |
ae4186b0 DMSP |
12 | #ifndef OSSL_SSL_LOCAL_H |
13 | # define OSSL_SSL_LOCAL_H | |
4cff10dc | 14 | |
d5f9166b | 15 | # include "internal/e_os.h" /* struct timeval for DTLS */ |
0f113f3e MC |
16 | # include <stdlib.h> |
17 | # include <time.h> | |
0f113f3e | 18 | # include <errno.h> |
af16097f | 19 | # include "internal/common.h" /* for HAS_PREFIX */ |
d02b48c6 | 20 | |
0f113f3e | 21 | # include <openssl/buffer.h> |
0f113f3e | 22 | # include <openssl/bio.h> |
b67cb09f | 23 | # include <openssl/comp.h> |
3c27208f | 24 | # include <openssl/dsa.h> |
0f113f3e MC |
25 | # include <openssl/err.h> |
26 | # include <openssl/ssl.h> | |
07bbc92c | 27 | # include <openssl/async.h> |
0f113f3e | 28 | # include <openssl/symhacks.h> |
3c27208f | 29 | # include <openssl/ct.h> |
ca20f61f | 30 | # include "internal/recordmethod.h" |
d03fe5de | 31 | # include "internal/statem.h" |
0d345f0e | 32 | # include "internal/packet.h" |
a230b26e | 33 | # include "internal/dane.h" |
2f545ae4 | 34 | # include "internal/refcount.h" |
9ef9088c | 35 | # include "internal/tsan_assist.h" |
50ec7505 | 36 | # include "internal/bio.h" |
c7b46b54 | 37 | # include "internal/ktls.h" |
340fe504 | 38 | # include "internal/time.h" |
674b61eb | 39 | # include "internal/ssl.h" |
d6cf4b59 | 40 | # include "record/record.h" |
52e1d7b1 | 41 | |
0f113f3e MC |
42 | # ifdef OPENSSL_BUILD_SHLIBSSL |
43 | # undef OPENSSL_EXTERN | |
44 | # define OPENSSL_EXTERN OPENSSL_EXPORT | |
45 | # endif | |
26da3e65 | 46 | |
5c587fb6 KR |
47 | # define TLS_MAX_VERSION_INTERNAL TLS1_3_VERSION |
48 | # define DTLS_MAX_VERSION_INTERNAL DTLS1_2_VERSION | |
49 | ||
a230b26e EK |
50 | /* |
51 | * DTLS version numbers are strange because they're inverted. Except for | |
52 | * DTLS1_BAD_VER, which should be considered "lower" than the rest. | |
53 | */ | |
54 | # define dtls_ver_ordinal(v1) (((v1) == DTLS1_BAD_VER) ? 0xff00 : (v1)) | |
55 | # define DTLS_VERSION_GT(v1, v2) (dtls_ver_ordinal(v1) < dtls_ver_ordinal(v2)) | |
56 | # define DTLS_VERSION_GE(v1, v2) (dtls_ver_ordinal(v1) <= dtls_ver_ordinal(v2)) | |
57 | # define DTLS_VERSION_LT(v1, v2) (dtls_ver_ordinal(v1) > dtls_ver_ordinal(v2)) | |
58 | # define DTLS_VERSION_LE(v1, v2) (dtls_ver_ordinal(v1) >= dtls_ver_ordinal(v2)) | |
7946ab33 | 59 | |
226ed5fb | 60 | # define SSL_AD_NO_ALERT -1 |
d02b48c6 | 61 | |
018e57c7 DSH |
62 | /* |
63 | * Define the Bitmasks for SSL_CIPHER.algorithms. | |
64 | * This bits are used packed as dense as possible. If new methods/ciphers | |
65 | * etc will be added, the bits a likely to change, so this information | |
66 | * is for internal library use only, even though SSL_CIPHER.algorithms | |
67 | * can be publicly accessed. | |
68 | * Use the according functions for cipher management instead. | |
69 | * | |
657e60fa | 70 | * The bit mask handling in the selection and sorting scheme in |
018e57c7 | 71 | * ssl_create_cipher_list() has only limited capabilities, reflecting |
657e60fa | 72 | * that the different entities within are mutually exclusive: |
018e57c7 DSH |
73 | * ONLY ONE BIT PER MASK CAN BE SET AT A TIME. |
74 | */ | |
52b8dad8 BM |
75 | |
76 | /* Bits for algorithm_mkey (key exchange algorithm) */ | |
68d39f3c | 77 | /* RSA key exchange */ |
36e79832 | 78 | # define SSL_kRSA 0x00000001U |
68d39f3c | 79 | /* tmp DH key no DH cert */ |
bc71f910 | 80 | # define SSL_kDHE 0x00000002U |
68d39f3c | 81 | /* synonym */ |
0f113f3e | 82 | # define SSL_kEDH SSL_kDHE |
68d39f3c | 83 | /* ephemeral ECDH */ |
ce0c1f2b | 84 | # define SSL_kECDHE 0x00000004U |
68d39f3c | 85 | /* synonym */ |
0f113f3e | 86 | # define SSL_kEECDH SSL_kECDHE |
68d39f3c | 87 | /* PSK */ |
ce0c1f2b | 88 | # define SSL_kPSK 0x00000008U |
68d39f3c | 89 | /* GOST key exchange */ |
ce0c1f2b | 90 | # define SSL_kGOST 0x00000010U |
68d39f3c | 91 | /* SRP */ |
ce0c1f2b | 92 | # define SSL_kSRP 0x00000020U |
52b8dad8 | 93 | |
ce0c1f2b DSH |
94 | # define SSL_kRSAPSK 0x00000040U |
95 | # define SSL_kECDHEPSK 0x00000080U | |
96 | # define SSL_kDHEPSK 0x00000100U | |
5a5530a2 DB |
97 | /* GOST KDF key exchange, draft-smyshlyaev-tls12-gost-suites */ |
98 | # define SSL_kGOST18 0x00000200U | |
64651d39 DSH |
99 | |
100 | /* all PSK */ | |
101 | ||
a230b26e | 102 | # define SSL_PSK (SSL_kPSK | SSL_kRSAPSK | SSL_kECDHEPSK | SSL_kDHEPSK) |
64651d39 | 103 | |
e5c4bf93 DSH |
104 | /* Any appropriate key exchange algorithm (for TLS 1.3 ciphersuites) */ |
105 | # define SSL_kANY 0x00000000U | |
106 | ||
52b8dad8 | 107 | /* Bits for algorithm_auth (server authentication) */ |
68d39f3c | 108 | /* RSA auth */ |
36e79832 | 109 | # define SSL_aRSA 0x00000001U |
68d39f3c | 110 | /* DSS auth */ |
36e79832 | 111 | # define SSL_aDSS 0x00000002U |
68d39f3c | 112 | /* no auth (i.e. use ADH or AECDH) */ |
36e79832 | 113 | # define SSL_aNULL 0x00000004U |
68d39f3c | 114 | /* ECDSA auth*/ |
ce0c1f2b | 115 | # define SSL_aECDSA 0x00000008U |
68d39f3c | 116 | /* PSK auth */ |
ce0c1f2b | 117 | # define SSL_aPSK 0x00000010U |
68d39f3c | 118 | /* GOST R 34.10-2001 signature auth */ |
ce0c1f2b | 119 | # define SSL_aGOST01 0x00000020U |
68d39f3c | 120 | /* SRP auth */ |
ce0c1f2b | 121 | # define SSL_aSRP 0x00000040U |
e44380a9 | 122 | /* GOST R 34.10-2012 signature auth */ |
ce0c1f2b | 123 | # define SSL_aGOST12 0x00000080U |
e5c4bf93 DSH |
124 | /* Any appropriate signature auth (for TLS 1.3 ciphersuites) */ |
125 | # define SSL_aANY 0x00000000U | |
e4fb8b47 DSH |
126 | /* All bits requiring a certificate */ |
127 | #define SSL_aCERT \ | |
128 | (SSL_aRSA | SSL_aDSS | SSL_aECDSA | SSL_aGOST01 | SSL_aGOST12) | |
52b8dad8 BM |
129 | |
130 | /* Bits for algorithm_enc (symmetric encryption) */ | |
36e79832 DSH |
131 | # define SSL_DES 0x00000001U |
132 | # define SSL_3DES 0x00000002U | |
133 | # define SSL_RC4 0x00000004U | |
134 | # define SSL_RC2 0x00000008U | |
135 | # define SSL_IDEA 0x00000010U | |
136 | # define SSL_eNULL 0x00000020U | |
137 | # define SSL_AES128 0x00000040U | |
138 | # define SSL_AES256 0x00000080U | |
139 | # define SSL_CAMELLIA128 0x00000100U | |
140 | # define SSL_CAMELLIA256 0x00000200U | |
141 | # define SSL_eGOST2814789CNT 0x00000400U | |
142 | # define SSL_SEED 0x00000800U | |
143 | # define SSL_AES128GCM 0x00001000U | |
144 | # define SSL_AES256GCM 0x00002000U | |
145 | # define SSL_AES128CCM 0x00004000U | |
146 | # define SSL_AES256CCM 0x00008000U | |
147 | # define SSL_AES128CCM8 0x00010000U | |
148 | # define SSL_AES256CCM8 0x00020000U | |
e44380a9 | 149 | # define SSL_eGOST2814789CNT12 0x00040000U |
a76ba82c | 150 | # define SSL_CHACHA20POLY1305 0x00080000U |
bc326738 JS |
151 | # define SSL_ARIA128GCM 0x00100000U |
152 | # define SSL_ARIA256GCM 0x00200000U | |
5a5530a2 DB |
153 | # define SSL_MAGMA 0x00400000U |
154 | # define SSL_KUZNYECHIK 0x00800000U | |
0f113f3e | 155 | |
a556f342 EK |
156 | # define SSL_AESGCM (SSL_AES128GCM | SSL_AES256GCM) |
157 | # define SSL_AESCCM (SSL_AES128CCM | SSL_AES256CCM | SSL_AES128CCM8 | SSL_AES256CCM8) | |
158 | # define SSL_AES (SSL_AES128|SSL_AES256|SSL_AESGCM|SSL_AESCCM) | |
0f113f3e | 159 | # define SSL_CAMELLIA (SSL_CAMELLIA128|SSL_CAMELLIA256) |
1c37fd96 | 160 | # define SSL_CHACHA20 (SSL_CHACHA20POLY1305) |
bc326738 JS |
161 | # define SSL_ARIAGCM (SSL_ARIA128GCM | SSL_ARIA256GCM) |
162 | # define SSL_ARIA (SSL_ARIAGCM) | |
c1fd005b OH |
163 | # define SSL_CBC (SSL_DES | SSL_3DES | SSL_RC2 | SSL_IDEA \ |
164 | | SSL_AES128 | SSL_AES256 | SSL_CAMELLIA128 \ | |
165 | | SSL_CAMELLIA256 | SSL_SEED) | |
52b8dad8 BM |
166 | |
167 | /* Bits for algorithm_mac (symmetric authentication) */ | |
28dd49fa | 168 | |
36e79832 DSH |
169 | # define SSL_MD5 0x00000001U |
170 | # define SSL_SHA1 0x00000002U | |
171 | # define SSL_GOST94 0x00000004U | |
172 | # define SSL_GOST89MAC 0x00000008U | |
173 | # define SSL_SHA256 0x00000010U | |
174 | # define SSL_SHA384 0x00000020U | |
28dd49fa | 175 | /* Not a real MAC, just an indication it is part of cipher */ |
36e79832 | 176 | # define SSL_AEAD 0x00000040U |
e44380a9 DB |
177 | # define SSL_GOST12_256 0x00000080U |
178 | # define SSL_GOST89MAC12 0x00000100U | |
179 | # define SSL_GOST12_512 0x00000200U | |
5a5530a2 DB |
180 | # define SSL_MAGMAOMAC 0x00000400U |
181 | # define SSL_KUZNYECHIKOMAC 0x00000800U | |
52b8dad8 | 182 | |
0f113f3e | 183 | /* |
e44380a9 | 184 | * When adding new digest in the ssl_ciph.c and increment SSL_MD_NUM_IDX make |
0f113f3e MC |
185 | * sure to update this constant too |
186 | */ | |
28ba2541 DSH |
187 | |
188 | # define SSL_MD_MD5_IDX 0 | |
189 | # define SSL_MD_SHA1_IDX 1 | |
190 | # define SSL_MD_GOST94_IDX 2 | |
191 | # define SSL_MD_GOST89MAC_IDX 3 | |
192 | # define SSL_MD_SHA256_IDX 4 | |
193 | # define SSL_MD_SHA384_IDX 5 | |
194 | # define SSL_MD_GOST12_256_IDX 6 | |
195 | # define SSL_MD_GOST89MAC12_IDX 7 | |
196 | # define SSL_MD_GOST12_512_IDX 8 | |
197 | # define SSL_MD_MD5_SHA1_IDX 9 | |
7afd2312 DSH |
198 | # define SSL_MD_SHA224_IDX 10 |
199 | # define SSL_MD_SHA512_IDX 11 | |
5a5530a2 DB |
200 | # define SSL_MD_MAGMAOMAC_IDX 12 |
201 | # define SSL_MD_KUZNYECHIKOMAC_IDX 13 | |
202 | # define SSL_MAX_DIGEST 14 | |
28ba2541 | 203 | |
c8f6c28a MC |
204 | #define SSL_MD_NUM_IDX SSL_MAX_DIGEST |
205 | ||
28ba2541 DSH |
206 | /* Bits for algorithm2 (handshake digests and other extra flags) */ |
207 | ||
208 | /* Bits 0-7 are handshake MAC */ | |
209 | # define SSL_HANDSHAKE_MAC_MASK 0xFF | |
210 | # define SSL_HANDSHAKE_MAC_MD5_SHA1 SSL_MD_MD5_SHA1_IDX | |
211 | # define SSL_HANDSHAKE_MAC_SHA256 SSL_MD_SHA256_IDX | |
212 | # define SSL_HANDSHAKE_MAC_SHA384 SSL_MD_SHA384_IDX | |
213 | # define SSL_HANDSHAKE_MAC_GOST94 SSL_MD_GOST94_IDX | |
214 | # define SSL_HANDSHAKE_MAC_GOST12_256 SSL_MD_GOST12_256_IDX | |
215 | # define SSL_HANDSHAKE_MAC_GOST12_512 SSL_MD_GOST12_512_IDX | |
216 | # define SSL_HANDSHAKE_MAC_DEFAULT SSL_HANDSHAKE_MAC_MD5_SHA1 | |
217 | ||
218 | /* Bits 8-15 bits are PRF */ | |
219 | # define TLS1_PRF_DGST_SHIFT 8 | |
220 | # define TLS1_PRF_SHA1_MD5 (SSL_MD_MD5_SHA1_IDX << TLS1_PRF_DGST_SHIFT) | |
221 | # define TLS1_PRF_SHA256 (SSL_MD_SHA256_IDX << TLS1_PRF_DGST_SHIFT) | |
222 | # define TLS1_PRF_SHA384 (SSL_MD_SHA384_IDX << TLS1_PRF_DGST_SHIFT) | |
223 | # define TLS1_PRF_GOST94 (SSL_MD_GOST94_IDX << TLS1_PRF_DGST_SHIFT) | |
224 | # define TLS1_PRF_GOST12_256 (SSL_MD_GOST12_256_IDX << TLS1_PRF_DGST_SHIFT) | |
225 | # define TLS1_PRF_GOST12_512 (SSL_MD_GOST12_512_IDX << TLS1_PRF_DGST_SHIFT) | |
226 | # define TLS1_PRF (SSL_MD_MD5_SHA1_IDX << TLS1_PRF_DGST_SHIFT) | |
761772d7 | 227 | |
0f113f3e MC |
228 | /* |
229 | * Stream MAC for GOST ciphersuites from cryptopro draft (currently this also | |
230 | * goes into algorithm2) | |
231 | */ | |
28ba2541 | 232 | # define TLS1_STREAM_MAC 0x10000 |
5a5530a2 DB |
233 | /* |
234 | * TLSTREE cipher/mac key derivation from draft-smyshlyaev-tls12-gost-suites | |
235 | * (currently this also goes into algorithm2) | |
236 | */ | |
237 | # define TLS1_TLSTREE 0x20000 | |
761772d7 | 238 | |
88a9614b | 239 | # define SSL_STRONG_MASK 0x0000001FU |
361a1191 | 240 | # define SSL_DEFAULT_MASK 0X00000020U |
c84f7f4a | 241 | |
361a1191 KR |
242 | # define SSL_STRONG_NONE 0x00000001U |
243 | # define SSL_LOW 0x00000002U | |
244 | # define SSL_MEDIUM 0x00000004U | |
245 | # define SSL_HIGH 0x00000008U | |
246 | # define SSL_FIPS 0x00000010U | |
247 | # define SSL_NOT_DEFAULT 0x00000020U | |
018e57c7 | 248 | |
361a1191 | 249 | /* we have used 0000003f - 26 bits left to go */ |
d02b48c6 | 250 | |
34f7245b MC |
251 | /* Flag used on OpenSSL ciphersuite ids to indicate they are for SSLv3+ */ |
252 | # define SSL3_CK_CIPHERSUITE_FLAG 0x03000000 | |
253 | ||
890f2f8b | 254 | /* Check if an SSL structure is using DTLS */ |
38b051a1 TM |
255 | # define SSL_CONNECTION_IS_DTLS(s) \ |
256 | (SSL_CONNECTION_GET_SSL(s)->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS) | |
f2342b7a MC |
257 | |
258 | /* Check if we are using TLSv1.3 */ | |
38b051a1 TM |
259 | # define SSL_CONNECTION_IS_TLS13(s) (!SSL_CONNECTION_IS_DTLS(s) \ |
260 | && SSL_CONNECTION_GET_SSL(s)->method->version >= TLS1_3_VERSION \ | |
261 | && SSL_CONNECTION_GET_SSL(s)->method->version != TLS_ANY_VERSION) | |
f2342b7a | 262 | |
38b051a1 TM |
263 | # define SSL_CONNECTION_TREAT_AS_TLS13(s) \ |
264 | (SSL_CONNECTION_IS_TLS13(s) \ | |
265 | || (s)->early_data_state == SSL_EARLY_DATA_CONNECTING \ | |
7b0a3ce0 MC |
266 | || (s)->early_data_state == SSL_EARLY_DATA_CONNECT_RETRY \ |
267 | || (s)->early_data_state == SSL_EARLY_DATA_WRITING \ | |
758e05c5 MC |
268 | || (s)->early_data_state == SSL_EARLY_DATA_WRITE_RETRY \ |
269 | || (s)->hello_retry_request == SSL_HRR_PENDING) | |
49e7fe12 | 270 | |
38b051a1 | 271 | # define SSL_IS_FIRST_HANDSHAKE(s) ((s)->s3.tmp.finish_md_len == 0 \ |
555cbb32 | 272 | || (s)->s3.tmp.peer_finish_md_len == 0) |
c7f47786 | 273 | |
cbd64894 | 274 | /* See if we need explicit IV */ |
0f113f3e | 275 | # define SSL_USE_EXPLICIT_IV(s) \ |
38b051a1 | 276 | (SSL_CONNECTION_GET_SSL(s)->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_EXPLICIT_IV) |
0f113f3e MC |
277 | /* |
278 | * See if we use signature algorithms extension and signature algorithm | |
279 | * before signatures. | |
cbd64894 | 280 | */ |
0f113f3e | 281 | # define SSL_USE_SIGALGS(s) \ |
38b051a1 | 282 | (SSL_CONNECTION_GET_SSL(s)->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_SIGALGS) |
0f113f3e MC |
283 | /* |
284 | * Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2: may | |
285 | * apply to others in future. | |
4221c0dd | 286 | */ |
0f113f3e | 287 | # define SSL_USE_TLS1_2_CIPHERS(s) \ |
38b051a1 | 288 | (SSL_CONNECTION_GET_SSL(s)->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_TLS1_2_CIPHERS) |
0f113f3e MC |
289 | /* |
290 | * Determine if a client can use TLS 1.2 ciphersuites: can't rely on method | |
1e2d4cb0 DSH |
291 | * flags because it may not be set to correct version yet. |
292 | */ | |
0f113f3e | 293 | # define SSL_CLIENT_USE_TLS1_2_CIPHERS(s) \ |
38b051a1 TM |
294 | ((!SSL_CONNECTION_IS_DTLS(s) && s->client_version >= TLS1_2_VERSION) || \ |
295 | (SSL_CONNECTION_IS_DTLS(s) && DTLS_VERSION_GE(s->client_version, DTLS1_2_VERSION))) | |
f7aa3185 DB |
296 | /* |
297 | * Determine if a client should send signature algorithms extension: | |
298 | * as with TLS1.2 cipher we can't rely on method flags. | |
299 | */ | |
300 | # define SSL_CLIENT_USE_SIGALGS(s) \ | |
301 | SSL_CLIENT_USE_TLS1_2_CIPHERS(s) | |
0f113f3e | 302 | |
cf72c757 F |
303 | # define IS_MAX_FRAGMENT_LENGTH_EXT_VALID(value) \ |
304 | (((value) >= TLSEXT_max_fragment_length_512) && \ | |
305 | ((value) <= TLSEXT_max_fragment_length_4096)) | |
306 | # define USE_MAX_FRAGMENT_LENGTH_EXT(session) \ | |
307 | IS_MAX_FRAGMENT_LENGTH_EXT_VALID(session->ext.max_fragment_len_mode) | |
308 | # define GET_MAX_FRAGMENT_LENGTH(session) \ | |
309 | (512U << (session->ext.max_fragment_len_mode - 1)) | |
310 | ||
555cbb32 TS |
311 | # define SSL_READ_ETM(s) (s->s3.flags & TLS1_FLAGS_ENCRYPT_THEN_MAC_READ) |
312 | # define SSL_WRITE_ETM(s) (s->s3.flags & TLS1_FLAGS_ENCRYPT_THEN_MAC_WRITE) | |
5e3ff62c | 313 | |
43788fb3 HL |
314 | # define SSL_IS_QUIC_HANDSHAKE(s) (((s)->s3.flags & TLS1_FLAGS_QUIC) != 0) |
315 | ||
73243502 MC |
316 | /* alert_dispatch values */ |
317 | ||
318 | /* No alert pending */ | |
319 | # define SSL_ALERT_DISPATCH_NONE 0 | |
320 | /* Alert pending */ | |
321 | # define SSL_ALERT_DISPATCH_PENDING 1 | |
322 | /* Pending alert write needs to be retried */ | |
323 | # define SSL_ALERT_DISPATCH_RETRY 2 | |
324 | ||
d02b48c6 | 325 | /* Mostly for SSLv3 */ |
d0ff28f8 | 326 | # define SSL_PKEY_RSA 0 |
045d078a DSH |
327 | # define SSL_PKEY_RSA_PSS_SIGN 1 |
328 | # define SSL_PKEY_DSA_SIGN 2 | |
329 | # define SSL_PKEY_ECC 3 | |
330 | # define SSL_PKEY_GOST01 4 | |
331 | # define SSL_PKEY_GOST12_256 5 | |
332 | # define SSL_PKEY_GOST12_512 6 | |
333 | # define SSL_PKEY_ED25519 7 | |
0e1d6ecf MC |
334 | # define SSL_PKEY_ED448 8 |
335 | # define SSL_PKEY_NUM 9 | |
d02b48c6 | 336 | |
c8f6c28a MC |
337 | # define SSL_ENC_DES_IDX 0 |
338 | # define SSL_ENC_3DES_IDX 1 | |
339 | # define SSL_ENC_RC4_IDX 2 | |
340 | # define SSL_ENC_RC2_IDX 3 | |
341 | # define SSL_ENC_IDEA_IDX 4 | |
342 | # define SSL_ENC_NULL_IDX 5 | |
343 | # define SSL_ENC_AES128_IDX 6 | |
344 | # define SSL_ENC_AES256_IDX 7 | |
345 | # define SSL_ENC_CAMELLIA128_IDX 8 | |
346 | # define SSL_ENC_CAMELLIA256_IDX 9 | |
347 | # define SSL_ENC_GOST89_IDX 10 | |
348 | # define SSL_ENC_SEED_IDX 11 | |
349 | # define SSL_ENC_AES128GCM_IDX 12 | |
350 | # define SSL_ENC_AES256GCM_IDX 13 | |
351 | # define SSL_ENC_AES128CCM_IDX 14 | |
352 | # define SSL_ENC_AES256CCM_IDX 15 | |
353 | # define SSL_ENC_AES128CCM8_IDX 16 | |
354 | # define SSL_ENC_AES256CCM8_IDX 17 | |
355 | # define SSL_ENC_GOST8912_IDX 18 | |
356 | # define SSL_ENC_CHACHA_IDX 19 | |
357 | # define SSL_ENC_ARIA128GCM_IDX 20 | |
358 | # define SSL_ENC_ARIA256GCM_IDX 21 | |
5a5530a2 DB |
359 | # define SSL_ENC_MAGMA_IDX 22 |
360 | # define SSL_ENC_KUZNYECHIK_IDX 23 | |
361 | # define SSL_ENC_NUM_IDX 24 | |
c8f6c28a | 362 | |
1d97c843 | 363 | /*- |
361a1191 | 364 | * SSL_kRSA <- RSA_ENC |
d02b48c6 | 365 | * SSL_kDH <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN) |
5a21cadb | 366 | * SSL_kDHE <- RSA_ENC | RSA_SIGN | DSA_SIGN |
d02b48c6 RE |
367 | * SSL_aRSA <- RSA_ENC | RSA_SIGN |
368 | * SSL_aDSS <- DSA_SIGN | |
369 | */ | |
370 | ||
23a22b4c | 371 | /*- |
0f113f3e MC |
372 | #define CERT_INVALID 0 |
373 | #define CERT_PUBLIC_KEY 1 | |
374 | #define CERT_PRIVATE_KEY 2 | |
d02b48c6 RE |
375 | */ |
376 | ||
3c95ef22 TS |
377 | /* Certificate Type State */ |
378 | # define OSSL_CERT_TYPE_CTOS_NONE 0 | |
379 | # define OSSL_CERT_TYPE_CTOS_GOOD 1 | |
380 | # define OSSL_CERT_TYPE_CTOS_ERROR 2 | |
381 | ||
9d75dce3 TS |
382 | /* Post-Handshake Authentication state */ |
383 | typedef enum { | |
384 | SSL_PHA_NONE = 0, | |
385 | SSL_PHA_EXT_SENT, /* client-side only: extension sent */ | |
386 | SSL_PHA_EXT_RECEIVED, /* server-side only: extension received */ | |
387 | SSL_PHA_REQUEST_PENDING, /* server-side only: request pending */ | |
388 | SSL_PHA_REQUESTED /* request received by client, or sent by server */ | |
389 | } SSL_PHA_STATE; | |
390 | ||
e9fa092e | 391 | /* CipherSuite length. SSLv3 and all TLS versions. */ |
a230b26e | 392 | # define TLS_CIPHER_LEN 2 |
b6ba4014 MC |
393 | /* used to hold info on the particular ciphers used */ |
394 | struct ssl_cipher_st { | |
90d9e49a | 395 | uint32_t valid; |
a230b26e | 396 | const char *name; /* text name */ |
bbb4ceb8 | 397 | const char *stdname; /* RFC name */ |
a230b26e | 398 | uint32_t id; /* id, 4 bytes, first is version */ |
b6ba4014 | 399 | /* |
90d9e49a | 400 | * changed in 1.0.0: these four used to be portions of a single value |
b6ba4014 MC |
401 | * 'algorithms' |
402 | */ | |
a230b26e EK |
403 | uint32_t algorithm_mkey; /* key exchange algorithm */ |
404 | uint32_t algorithm_auth; /* server authentication */ | |
405 | uint32_t algorithm_enc; /* symmetric encryption */ | |
406 | uint32_t algorithm_mac; /* symmetric authentication */ | |
407 | int min_tls; /* minimum SSL/TLS protocol version */ | |
408 | int max_tls; /* maximum SSL/TLS protocol version */ | |
409 | int min_dtls; /* minimum DTLS protocol version */ | |
410 | int max_dtls; /* maximum DTLS protocol version */ | |
411 | uint32_t algo_strength; /* strength and export flags */ | |
412 | uint32_t algorithm2; /* Extra flags */ | |
413 | int32_t strength_bits; /* Number of bits really used */ | |
414 | uint32_t alg_bits; /* Number of bits for algorithm */ | |
b6ba4014 MC |
415 | }; |
416 | ||
87d9cafa | 417 | /* Used to hold SSL/TLS functions */ |
b6ba4014 MC |
418 | struct ssl_method_st { |
419 | int version; | |
4fa52141 VD |
420 | unsigned flags; |
421 | unsigned long mask; | |
38b051a1 | 422 | SSL *(*ssl_new) (SSL_CTX *ctx); |
b6ba4014 | 423 | void (*ssl_free) (SSL *s); |
38b051a1 TM |
424 | int (*ssl_reset) (SSL *s); |
425 | int (*ssl_init) (SSL *s); | |
426 | int (*ssl_clear) (SSL *s); | |
427 | void (*ssl_deinit) (SSL *s); | |
b6ba4014 MC |
428 | int (*ssl_accept) (SSL *s); |
429 | int (*ssl_connect) (SSL *s); | |
54105ddd MC |
430 | int (*ssl_read) (SSL *s, void *buf, size_t len, size_t *readbytes); |
431 | int (*ssl_peek) (SSL *s, void *buf, size_t len, size_t *readbytes); | |
7ee8627f | 432 | int (*ssl_write) (SSL *s, const void *buf, size_t len, size_t *written); |
b6ba4014 MC |
433 | int (*ssl_shutdown) (SSL *s); |
434 | int (*ssl_renegotiate) (SSL *s); | |
c7f47786 | 435 | int (*ssl_renegotiate_check) (SSL *s, int); |
eb1eaa9a | 436 | int (*ssl_read_bytes) (SSL *s, uint8_t type, uint8_t *recvd_type, |
eda75751 | 437 | unsigned char *buf, size_t len, int peek, |
54105ddd | 438 | size_t *readbytes); |
eb1eaa9a | 439 | int (*ssl_write_bytes) (SSL *s, uint8_t type, const void *buf_, size_t len, |
7ee8627f | 440 | size_t *written); |
b6ba4014 MC |
441 | int (*ssl_dispatch_alert) (SSL *s); |
442 | long (*ssl_ctrl) (SSL *s, int cmd, long larg, void *parg); | |
443 | long (*ssl_ctx_ctrl) (SSL_CTX *ctx, int cmd, long larg, void *parg); | |
444 | const SSL_CIPHER *(*get_cipher_by_char) (const unsigned char *ptr); | |
ae2f7b37 | 445 | int (*put_cipher_by_char) (const SSL_CIPHER *cipher, WPACKET *pkt, |
2c7b4dbc | 446 | size_t *len); |
8b0e934a | 447 | size_t (*ssl_pending) (const SSL *s); |
b6ba4014 MC |
448 | int (*num_ciphers) (void); |
449 | const SSL_CIPHER *(*get_cipher) (unsigned ncipher); | |
f0131dc0 | 450 | OSSL_TIME (*get_timeout) (void); |
b6ba4014 MC |
451 | const struct ssl3_enc_method *ssl3_enc; /* Extra SSLv3/TLS stuff */ |
452 | int (*ssl_version) (void); | |
453 | long (*ssl_callback_ctrl) (SSL *s, int cb_id, void (*fp) (void)); | |
454 | long (*ssl_ctx_callback_ctrl) (SSL_CTX *s, int cb_id, void (*fp) (void)); | |
455 | }; | |
456 | ||
734af93a MC |
457 | /* |
458 | * Matches the length of PSK_MAX_PSK_LEN. We keep it the same value for | |
459 | * consistency, even in the event of OPENSSL_NO_PSK being defined. | |
460 | */ | |
e57bbf9e | 461 | # define TLS13_MAX_RESUMPTION_PSK_LENGTH 512 |
4ff1a526 | 462 | |
b6ba4014 MC |
463 | /*- |
464 | * Lets make this into an ASN.1 type structure as follows | |
465 | * SSL_SESSION_ID ::= SEQUENCE { | |
466 | * version INTEGER, -- structure version number | |
467 | * SSLversion INTEGER, -- SSL version number | |
468 | * Cipher OCTET STRING, -- the 3 byte cipher ID | |
469 | * Session_ID OCTET STRING, -- the Session ID | |
470 | * Master_key OCTET STRING, -- the master key | |
b6ba4014 MC |
471 | * Key_Arg [ 0 ] IMPLICIT OCTET STRING, -- the optional Key argument |
472 | * Time [ 1 ] EXPLICIT INTEGER, -- optional Start Time | |
473 | * Timeout [ 2 ] EXPLICIT INTEGER, -- optional Timeout ins seconds | |
474 | * Peer [ 3 ] EXPLICIT X509, -- optional Peer Certificate | |
475 | * Session_ID_context [ 4 ] EXPLICIT OCTET STRING, -- the Session ID context | |
476 | * Verify_result [ 5 ] EXPLICIT INTEGER, -- X509_V_... code for `Peer' | |
477 | * HostName [ 6 ] EXPLICIT OCTET STRING, -- optional HostName from servername TLS extension | |
478 | * PSK_identity_hint [ 7 ] EXPLICIT OCTET STRING, -- optional PSK identity hint | |
479 | * PSK_identity [ 8 ] EXPLICIT OCTET STRING, -- optional PSK identity | |
480 | * Ticket_lifetime_hint [9] EXPLICIT INTEGER, -- server's lifetime hint for session ticket | |
481 | * Ticket [10] EXPLICIT OCTET STRING, -- session ticket (clients only) | |
482 | * Compression_meth [11] EXPLICIT OCTET STRING, -- optional compression method | |
483 | * SRP_username [ 12 ] EXPLICIT OCTET STRING -- optional SRP username | |
6f152a15 | 484 | * flags [ 13 ] EXPLICIT INTEGER -- optional flags |
b6ba4014 MC |
485 | * } |
486 | * Look in ssl/ssl_asn1.c for more details | |
487 | * I'm using EXPLICIT tags so I can read the damn things using asn1parse :-). | |
488 | */ | |
489 | struct ssl_session_st { | |
a230b26e EK |
490 | int ssl_version; /* what ssl version session info is being kept |
491 | * in here? */ | |
8c1a5343 | 492 | size_t master_key_length; |
ec15acb6 | 493 | |
9368f865 MC |
494 | /* TLSv1.3 early_secret used for external PSKs */ |
495 | unsigned char early_secret[EVP_MAX_MD_SIZE]; | |
ec15acb6 MC |
496 | /* |
497 | * For <=TLS1.2 this is the master_key. For TLS1.3 this is the resumption | |
4ff1a526 | 498 | * PSK |
ec15acb6 | 499 | */ |
4ff1a526 | 500 | unsigned char master_key[TLS13_MAX_RESUMPTION_PSK_LENGTH]; |
b6ba4014 | 501 | /* session_id - valid? */ |
ec60ccc1 | 502 | size_t session_id_length; |
b6ba4014 MC |
503 | unsigned char session_id[SSL_MAX_SSL_SESSION_ID_LENGTH]; |
504 | /* | |
505 | * this is used to determine whether the session is being reused in the | |
506 | * appropriate context. It is up to the application to set this, via | |
507 | * SSL_new | |
508 | */ | |
ec60ccc1 | 509 | size_t sid_ctx_length; |
b6ba4014 | 510 | unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH]; |
b6ba4014 MC |
511 | # ifndef OPENSSL_NO_PSK |
512 | char *psk_identity_hint; | |
513 | char *psk_identity; | |
514 | # endif | |
515 | /* | |
516 | * Used to indicate that session resumption is not allowed. Applications | |
517 | * can also set this bit for a new session via not_resumable_session_cb | |
518 | * to disable session caching and tickets. | |
519 | */ | |
520 | int not_resumable; | |
3c95ef22 TS |
521 | /* Peer raw public key, if available */ |
522 | EVP_PKEY *peer_rpk; | |
a273c6ee | 523 | /* This is the cert and type for the other end. */ |
b6ba4014 | 524 | X509 *peer; |
fa7c2637 | 525 | /* Certificate chain peer sent. */ |
c34b0f99 | 526 | STACK_OF(X509) *peer_chain; |
b6ba4014 MC |
527 | /* |
528 | * when app_verify_callback accepts a session where the peer's | |
529 | * certificate is not ok, we must remember the error for session reuse: | |
530 | */ | |
531 | long verify_result; /* only for servers */ | |
2f545ae4 | 532 | CRYPTO_REF_COUNT references; |
f0131dc0 P |
533 | OSSL_TIME timeout; |
534 | OSSL_TIME time; | |
340fe504 | 535 | OSSL_TIME calc_timeout; |
b6ba4014 MC |
536 | unsigned int compress_meth; /* Need to lookup the method */ |
537 | const SSL_CIPHER *cipher; | |
a230b26e EK |
538 | unsigned long cipher_id; /* when ASN.1 loaded, this needs to be used to |
539 | * load the 'cipher' structure */ | |
aa6bd216 | 540 | unsigned int kex_group; /* TLS group from key exchange */ |
b6ba4014 MC |
541 | CRYPTO_EX_DATA ex_data; /* application specific data */ |
542 | /* | |
543 | * These are used to make removal of session-ids more efficient and to | |
544 | * implement a maximum cache size. | |
545 | */ | |
546 | struct ssl_session_st *prev, *next; | |
aff8c126 RS |
547 | |
548 | struct { | |
549 | char *hostname; | |
45436e61 | 550 | /* RFC4507 info */ |
aff8c126 RS |
551 | unsigned char *tick; /* Session ticket */ |
552 | size_t ticklen; /* Session ticket length */ | |
553 | /* Session lifetime hint in seconds */ | |
554 | unsigned long tick_lifetime_hint; | |
fc24f0bf | 555 | uint32_t tick_age_add; |
5d5b3fba MC |
556 | /* Max number of bytes that can be sent as early data */ |
557 | uint32_t max_early_data; | |
f6370040 MC |
558 | /* The ALPN protocol selected for this session */ |
559 | unsigned char *alpn_selected; | |
560 | size_t alpn_selected_len; | |
cf72c757 F |
561 | /* |
562 | * Maximum Fragment Length as per RFC 4366. | |
563 | * If this value does not contain RFC 4366 allowed values (1-4) then | |
564 | * either the Maximum Fragment Length Negotiation failed or was not | |
565 | * performed at all. | |
566 | */ | |
567 | uint8_t max_fragment_len_mode; | |
aff8c126 | 568 | } ext; |
b6ba4014 MC |
569 | # ifndef OPENSSL_NO_SRP |
570 | char *srp_username; | |
571 | # endif | |
df0fed9a TS |
572 | unsigned char *ticket_appdata; |
573 | size_t ticket_appdata_len; | |
f7d53487 | 574 | uint32_t flags; |
25959e04 | 575 | SSL_CTX *owner; |
b6ba4014 MC |
576 | }; |
577 | ||
6f152a15 | 578 | /* Extended master secret support */ |
a230b26e | 579 | # define SSL_SESS_FLAG_EXTMS 0x1 |
b6ba4014 MC |
580 | |
581 | # ifndef OPENSSL_NO_SRP | |
582 | ||
583 | typedef struct srp_ctx_st { | |
584 | /* param for all the callbacks */ | |
585 | void *SRP_cb_arg; | |
586 | /* set client Hello login callback */ | |
587 | int (*TLS_ext_srp_username_callback) (SSL *, int *, void *); | |
588 | /* set SRP N/g param callback for verification */ | |
589 | int (*SRP_verify_param_callback) (SSL *, void *); | |
590 | /* set SRP client passwd callback */ | |
591 | char *(*SRP_give_srp_client_pwd_callback) (SSL *, void *); | |
592 | char *login; | |
593 | BIGNUM *N, *g, *s, *B, *A; | |
594 | BIGNUM *a, *b, *v; | |
595 | char *info; | |
596 | int strength; | |
597 | unsigned long srp_Mask; | |
598 | } SRP_CTX; | |
599 | ||
600 | # endif | |
601 | ||
49e7fe12 MC |
602 | typedef enum { |
603 | SSL_EARLY_DATA_NONE = 0, | |
604 | SSL_EARLY_DATA_CONNECT_RETRY, | |
605 | SSL_EARLY_DATA_CONNECTING, | |
606 | SSL_EARLY_DATA_WRITE_RETRY, | |
607 | SSL_EARLY_DATA_WRITING, | |
2a8db717 | 608 | SSL_EARLY_DATA_WRITE_FLUSH, |
09f28874 | 609 | SSL_EARLY_DATA_UNAUTH_WRITING, |
d781d247 MC |
610 | SSL_EARLY_DATA_FINISHED_WRITING, |
611 | SSL_EARLY_DATA_ACCEPT_RETRY, | |
612 | SSL_EARLY_DATA_ACCEPTING, | |
613 | SSL_EARLY_DATA_READ_RETRY, | |
614 | SSL_EARLY_DATA_READING, | |
615 | SSL_EARLY_DATA_FINISHED_READING | |
49e7fe12 MC |
616 | } SSL_EARLY_DATA_STATE; |
617 | ||
70ef40a0 MC |
618 | /* |
619 | * We check that the amount of unreadable early data doesn't exceed | |
620 | * max_early_data. max_early_data is given in plaintext bytes. However if it is | |
621 | * unreadable then we only know the number of ciphertext bytes. We also don't | |
622 | * know how much the overhead should be because it depends on the ciphersuite. | |
623 | * We make a small allowance. We assume 5 records of actual data plus the end | |
624 | * of early data alert record. Each record has a tag and a content type byte. | |
625 | * The longest tag length we know of is EVP_GCM_TLS_TAG_LEN. We don't count the | |
626 | * content of the alert record either which is 2 bytes. | |
627 | */ | |
628 | # define EARLY_DATA_CIPHERTEXT_OVERHEAD ((6 * (EVP_GCM_TLS_TAG_LEN + 1)) + 2) | |
629 | ||
2c604cb9 MC |
630 | /* |
631 | * The allowance we have between the client's calculated ticket age and our own. | |
f0131dc0 | 632 | * We allow for 10 seconds. If a ticket is presented and the |
2c604cb9 MC |
633 | * client's age calculation is different by more than this than our own then we |
634 | * do not allow that ticket for early_data. | |
635 | */ | |
f0131dc0 | 636 | # define TICKET_AGE_ALLOWANCE ossl_seconds2time(10) |
2c604cb9 | 637 | |
cb7a1f5f BK |
638 | #define MAX_COMPRESSIONS_SIZE 255 |
639 | ||
b6ba4014 MC |
640 | struct ssl_comp_st { |
641 | int id; | |
642 | const char *name; | |
b6ba4014 | 643 | COMP_METHOD *method; |
b6ba4014 MC |
644 | }; |
645 | ||
cb7a1f5f BK |
646 | typedef struct raw_extension_st { |
647 | /* Raw packet data for the extension */ | |
648 | PACKET data; | |
649 | /* Set to 1 if the extension is present or 0 otherwise */ | |
650 | int present; | |
651 | /* Set to 1 if we have already parsed the extension or 0 otherwise */ | |
652 | int parsed; | |
653 | /* The type of this extension, i.e. a TLSEXT_TYPE_* value */ | |
654 | unsigned int type; | |
193b5d76 BK |
655 | /* Track what order extensions are received in (0-based). */ |
656 | size_t received_order; | |
cb7a1f5f BK |
657 | } RAW_EXTENSION; |
658 | ||
659 | typedef struct { | |
660 | unsigned int isv2; | |
661 | unsigned int legacy_version; | |
662 | unsigned char random[SSL3_RANDOM_SIZE]; | |
663 | size_t session_id_len; | |
664 | unsigned char session_id[SSL_MAX_SSL_SESSION_ID_LENGTH]; | |
665 | size_t dtls_cookie_len; | |
666 | unsigned char dtls_cookie[DTLS1_COOKIE_LENGTH]; | |
667 | PACKET ciphersuites; | |
668 | size_t compressions_len; | |
669 | unsigned char compressions[MAX_COMPRESSIONS_SIZE]; | |
670 | PACKET extensions; | |
671 | size_t pre_proc_exts_len; | |
672 | RAW_EXTENSION *pre_proc_exts; | |
673 | } CLIENTHELLO_MSG; | |
674 | ||
b186a592 MC |
675 | /* |
676 | * Extension index values NOTE: Any updates to these defines should be mirrored | |
677 | * with equivalent updates to ext_defs in extensions.c | |
678 | */ | |
679 | typedef enum tlsext_index_en { | |
680 | TLSEXT_IDX_renegotiate, | |
681 | TLSEXT_IDX_server_name, | |
cf72c757 | 682 | TLSEXT_IDX_max_fragment_length, |
b186a592 MC |
683 | TLSEXT_IDX_srp, |
684 | TLSEXT_IDX_ec_point_formats, | |
685 | TLSEXT_IDX_supported_groups, | |
686 | TLSEXT_IDX_session_ticket, | |
b186a592 MC |
687 | TLSEXT_IDX_status_request, |
688 | TLSEXT_IDX_next_proto_neg, | |
689 | TLSEXT_IDX_application_layer_protocol_negotiation, | |
690 | TLSEXT_IDX_use_srtp, | |
691 | TLSEXT_IDX_encrypt_then_mac, | |
692 | TLSEXT_IDX_signed_certificate_timestamp, | |
693 | TLSEXT_IDX_extended_master_secret, | |
c589c34e | 694 | TLSEXT_IDX_signature_algorithms_cert, |
9d75dce3 | 695 | TLSEXT_IDX_post_handshake_auth, |
3c95ef22 TS |
696 | TLSEXT_IDX_client_cert_type, |
697 | TLSEXT_IDX_server_cert_type, | |
10ed1b72 | 698 | TLSEXT_IDX_signature_algorithms, |
b186a592 MC |
699 | TLSEXT_IDX_supported_versions, |
700 | TLSEXT_IDX_psk_kex_modes, | |
701 | TLSEXT_IDX_key_share, | |
702 | TLSEXT_IDX_cookie, | |
703 | TLSEXT_IDX_cryptopro_bug, | |
b67cb09f | 704 | TLSEXT_IDX_compress_certificate, |
b186a592 MC |
705 | TLSEXT_IDX_early_data, |
706 | TLSEXT_IDX_certificate_authorities, | |
707 | TLSEXT_IDX_padding, | |
708 | TLSEXT_IDX_psk, | |
709 | /* Dummy index - must always be the last entry */ | |
710 | TLSEXT_IDX_num_builtins | |
711 | } TLSEXT_INDEX; | |
712 | ||
5317b6ee | 713 | DEFINE_LHASH_OF_EX(SSL_SESSION); |
ce023e77 | 714 | /* Needed in ssl_cert.c */ |
5317b6ee | 715 | DEFINE_LHASH_OF_EX(X509_NAME); |
f8e0a557 | 716 | |
4bfb96f2 TS |
717 | # define TLSEXT_KEYNAME_LENGTH 16 |
718 | # define TLSEXT_TICK_KEY_LENGTH 32 | |
719 | ||
720 | typedef struct ssl_ctx_ext_secure_st { | |
721 | unsigned char tick_hmac_key[TLSEXT_TICK_KEY_LENGTH]; | |
722 | unsigned char tick_aes_key[TLSEXT_TICK_KEY_LENGTH]; | |
723 | } SSL_CTX_EXT_SECURE; | |
d139723b | 724 | |
a76ce286 P |
725 | /* |
726 | * Helper function for HMAC | |
727 | * The structure should be considered opaque, it will change once the low | |
728 | * level deprecated calls are removed. At that point it can be replaced | |
729 | * by EVP_MAC_CTX and most of the functions converted to macros or inlined | |
730 | * directly. | |
731 | */ | |
732 | typedef struct ssl_hmac_st { | |
733 | EVP_MAC_CTX *ctx; | |
734 | # ifndef OPENSSL_NO_DEPRECATED_3_0 | |
735 | HMAC_CTX *old_ctx; | |
736 | # endif | |
737 | } SSL_HMAC; | |
738 | ||
739 | SSL_HMAC *ssl_hmac_new(const SSL_CTX *ctx); | |
740 | void ssl_hmac_free(SSL_HMAC *ctx); | |
741 | # ifndef OPENSSL_NO_DEPRECATED_3_0 | |
742 | HMAC_CTX *ssl_hmac_get0_HMAC_CTX(SSL_HMAC *ctx); | |
743 | # endif | |
744 | EVP_MAC_CTX *ssl_hmac_get0_EVP_MAC_CTX(SSL_HMAC *ctx); | |
745 | int ssl_hmac_init(SSL_HMAC *ctx, void *key, size_t len, char *md); | |
746 | int ssl_hmac_update(SSL_HMAC *ctx, const unsigned char *data, size_t len); | |
747 | int ssl_hmac_final(SSL_HMAC *ctx, unsigned char *md, size_t *len, | |
748 | size_t max_size); | |
749 | size_t ssl_hmac_size(const SSL_HMAC *ctx); | |
750 | ||
d8975dec | 751 | int ssl_get_EC_curve_nid(const EVP_PKEY *pkey); |
d5530efa TM |
752 | __owur int tls13_set_encoded_pub_key(EVP_PKEY *pkey, |
753 | const unsigned char *enckey, | |
754 | size_t enckeylen); | |
d8975dec | 755 | |
9d2d857f MC |
756 | typedef struct tls_group_info_st { |
757 | char *tlsname; /* Curve Name as in TLS specs */ | |
758 | char *realname; /* Curve Name according to provider */ | |
759 | char *algorithm; /* Algorithm name to fetch */ | |
760 | unsigned int secbits; /* Bits of security (from SP800-57) */ | |
761 | uint16_t group_id; /* Group ID */ | |
762 | int mintls; /* Minimum TLS version, -1 unsupported */ | |
763 | int maxtls; /* Maximum TLS version (or 0 for undefined) */ | |
764 | int mindtls; /* Minimum DTLS version, -1 unsupported */ | |
765 | int maxdtls; /* Maximum DTLS version (or 0 for undefined) */ | |
c1a74f59 | 766 | char is_kem; /* Mode for this Group: 0 is KEX, 1 is KEM */ |
9d2d857f MC |
767 | } TLS_GROUP_INFO; |
768 | ||
ee58915c MB |
769 | typedef struct tls_sigalg_info_st { |
770 | char *name; /* name as in IANA TLS specs */ | |
771 | uint16_t code_point; /* IANA-specified code point of sigalg-name */ | |
772 | char *sigalg_name; /* (combined) sigalg name */ | |
773 | char *sigalg_oid; /* (combined) sigalg OID */ | |
774 | char *sig_name; /* pure signature algorithm name */ | |
775 | char *sig_oid; /* pure signature algorithm OID */ | |
776 | char *hash_name; /* hash algorithm name */ | |
777 | char *hash_oid; /* hash algorithm OID */ | |
778 | char *keytype; /* keytype name */ | |
779 | char *keytype_oid; /* keytype OID */ | |
780 | unsigned int secbits; /* Bits of security (from SP800-57) */ | |
781 | int mintls; /* Minimum TLS version, -1 unsupported */ | |
782 | int maxtls; /* Maximum TLS version (or 0 for undefined) */ | |
783 | } TLS_SIGALG_INFO; | |
784 | ||
785 | /* | |
786 | * Structure containing table entry of certificate info corresponding to | |
787 | * CERT_PKEY entries | |
788 | */ | |
789 | typedef struct { | |
790 | int nid; /* NID of public key algorithm */ | |
791 | uint32_t amask; /* authmask corresponding to key type */ | |
792 | } SSL_CERT_LOOKUP; | |
793 | ||
9d2d857f MC |
794 | /* flags values */ |
795 | # define TLS_GROUP_TYPE 0x0000000FU /* Mask for group type */ | |
796 | # define TLS_GROUP_CURVE_PRIME 0x00000001U | |
797 | # define TLS_GROUP_CURVE_CHAR2 0x00000002U | |
798 | # define TLS_GROUP_CURVE_CUSTOM 0x00000004U | |
799 | # define TLS_GROUP_FFDHE 0x00000008U | |
800 | # define TLS_GROUP_ONLY_FOR_TLS1_3 0x00000010U | |
801 | ||
802 | # define TLS_GROUP_FFDHE_FOR_TLS1_3 (TLS_GROUP_FFDHE|TLS_GROUP_ONLY_FOR_TLS1_3) | |
803 | ||
b6ba4014 | 804 | struct ssl_ctx_st { |
b4250010 | 805 | OSSL_LIB_CTX *libctx; |
ba18627e | 806 | |
b6ba4014 MC |
807 | const SSL_METHOD *method; |
808 | STACK_OF(SSL_CIPHER) *cipher_list; | |
809 | /* same as above but sorted for lookup */ | |
810 | STACK_OF(SSL_CIPHER) *cipher_list_by_id; | |
f865b081 MC |
811 | /* TLSv1.3 specific ciphersuites */ |
812 | STACK_OF(SSL_CIPHER) *tls13_ciphersuites; | |
b6ba4014 MC |
813 | struct x509_store_st /* X509_STORE */ *cert_store; |
814 | LHASH_OF(SSL_SESSION) *sessions; | |
815 | /* | |
816 | * Most session-ids that will be cached, default is | |
817 | * SSL_SESSION_CACHE_MAX_SIZE_DEFAULT. 0 is unlimited. | |
818 | */ | |
cb150cbc | 819 | size_t session_cache_size; |
b6ba4014 MC |
820 | struct ssl_session_st *session_cache_head; |
821 | struct ssl_session_st *session_cache_tail; | |
822 | /* | |
823 | * This can have one of 2 values, ored together, SSL_SESS_CACHE_CLIENT, | |
824 | * SSL_SESS_CACHE_SERVER, Default is SSL_SESSION_CACHE_SERVER, which | |
6aff543b | 825 | * means only SSL_accept will cache SSL_SESSIONS. |
b6ba4014 | 826 | */ |
f7d53487 | 827 | uint32_t session_cache_mode; |
b6ba4014 MC |
828 | /* |
829 | * If timeout is not 0, it is the default timeout value set when | |
830 | * SSL_new() is called. This has been put in to make life easier to set | |
831 | * things up | |
832 | */ | |
f0131dc0 | 833 | OSSL_TIME session_timeout; |
b6ba4014 MC |
834 | /* |
835 | * If this callback is not null, it will be called each time a session id | |
836 | * is added to the cache. If this function returns 1, it means that the | |
837 | * callback will do a SSL_SESSION_free() when it has finished using it. | |
838 | * Otherwise, on 0, it means the callback has finished with it. If | |
839 | * remove_session_cb is not null, it will be called when a session-id is | |
840 | * removed from the cache. After the call, OpenSSL will | |
841 | * SSL_SESSION_free() it. | |
842 | */ | |
843 | int (*new_session_cb) (struct ssl_st *ssl, SSL_SESSION *sess); | |
844 | void (*remove_session_cb) (struct ssl_ctx_st *ctx, SSL_SESSION *sess); | |
845 | SSL_SESSION *(*get_session_cb) (struct ssl_st *ssl, | |
b6981744 EK |
846 | const unsigned char *data, int len, |
847 | int *copy); | |
b6ba4014 | 848 | struct { |
9ef9088c AP |
849 | TSAN_QUALIFIER int sess_connect; /* SSL new conn - started */ |
850 | TSAN_QUALIFIER int sess_connect_renegotiate; /* SSL reneg - requested */ | |
851 | TSAN_QUALIFIER int sess_connect_good; /* SSL new conne/reneg - finished */ | |
852 | TSAN_QUALIFIER int sess_accept; /* SSL new accept - started */ | |
853 | TSAN_QUALIFIER int sess_accept_renegotiate; /* SSL reneg - requested */ | |
854 | TSAN_QUALIFIER int sess_accept_good; /* SSL accept/reneg - finished */ | |
855 | TSAN_QUALIFIER int sess_miss; /* session lookup misses */ | |
856 | TSAN_QUALIFIER int sess_timeout; /* reuse attempt on timeouted session */ | |
857 | TSAN_QUALIFIER int sess_cache_full; /* session removed due to full cache */ | |
858 | TSAN_QUALIFIER int sess_hit; /* session reuse actually done */ | |
859 | TSAN_QUALIFIER int sess_cb_hit; /* session-id that was not in | |
860 | * the cache was passed back via | |
861 | * the callback. This indicates | |
862 | * that the application is | |
863 | * supplying session-id's from | |
864 | * other processes - spooky | |
865 | * :-) */ | |
b6ba4014 | 866 | } stats; |
acce0557 P |
867 | #ifdef TSAN_REQUIRES_LOCKING |
868 | CRYPTO_RWLOCK *tsan_lock; | |
869 | #endif | |
b6ba4014 | 870 | |
2f545ae4 | 871 | CRYPTO_REF_COUNT references; |
b6ba4014 MC |
872 | |
873 | /* if defined, these override the X509_verify_cert() calls */ | |
874 | int (*app_verify_callback) (X509_STORE_CTX *, void *); | |
875 | void *app_verify_arg; | |
876 | /* | |
877 | * before OpenSSL 0.9.7, 'app_verify_arg' was ignored | |
878 | * ('app_verify_callback' was called with just one argument) | |
879 | */ | |
880 | ||
881 | /* Default password callback. */ | |
882 | pem_password_cb *default_passwd_callback; | |
883 | ||
884 | /* Default password callback user data. */ | |
885 | void *default_passwd_callback_userdata; | |
886 | ||
887 | /* get client cert callback */ | |
888 | int (*client_cert_cb) (SSL *ssl, X509 **x509, EVP_PKEY **pkey); | |
889 | ||
890 | /* cookie generate callback */ | |
891 | int (*app_gen_cookie_cb) (SSL *ssl, unsigned char *cookie, | |
892 | unsigned int *cookie_len); | |
893 | ||
894 | /* verify cookie callback */ | |
31011544 | 895 | int (*app_verify_cookie_cb) (SSL *ssl, const unsigned char *cookie, |
b6ba4014 MC |
896 | unsigned int cookie_len); |
897 | ||
3fa2812f BS |
898 | /* TLS1.3 app-controlled cookie generate callback */ |
899 | int (*gen_stateless_cookie_cb) (SSL *ssl, unsigned char *cookie, | |
900 | size_t *cookie_len); | |
901 | ||
902 | /* TLS1.3 verify app-controlled cookie callback */ | |
903 | int (*verify_stateless_cookie_cb) (SSL *ssl, const unsigned char *cookie, | |
904 | size_t cookie_len); | |
905 | ||
b6ba4014 MC |
906 | CRYPTO_EX_DATA ex_data; |
907 | ||
908 | const EVP_MD *md5; /* For SSLv3/TLSv1 'ssl3-md5' */ | |
c8f6c28a | 909 | const EVP_MD *sha1; /* For SSLv3/TLSv1 'ssl3-sha1' */ |
b6ba4014 MC |
910 | |
911 | STACK_OF(X509) *extra_certs; | |
912 | STACK_OF(SSL_COMP) *comp_methods; /* stack of SSL_COMP, SSLv3/TLSv1 */ | |
913 | ||
914 | /* Default values used when no per-SSL value is defined follow */ | |
915 | ||
916 | /* used if SSL's info_callback is NULL */ | |
917 | void (*info_callback) (const SSL *ssl, int type, int val); | |
918 | ||
fa7c2637 DSH |
919 | /* |
920 | * What we put in certificate_authorities extension for TLS 1.3 | |
921 | * (ClientHello and CertificateRequest) or just client cert requests for | |
98732979 MC |
922 | * earlier versions. If client_ca_names is populated then it is only used |
923 | * for client cert requests, and in preference to ca_names. | |
fa7c2637 DSH |
924 | */ |
925 | STACK_OF(X509_NAME) *ca_names; | |
98732979 | 926 | STACK_OF(X509_NAME) *client_ca_names; |
b6ba4014 MC |
927 | |
928 | /* | |
929 | * Default values to use in SSL structures follow (these are copied by | |
930 | * SSL_new) | |
931 | */ | |
932 | ||
56bd1783 | 933 | uint64_t options; |
f7d53487 | 934 | uint32_t mode; |
7946ab33 KR |
935 | int min_proto_version; |
936 | int max_proto_version; | |
12472b45 | 937 | size_t max_cert_list; |
b6ba4014 MC |
938 | |
939 | struct cert_st /* CERT */ *cert; | |
ee58915c | 940 | SSL_CERT_LOOKUP *ssl_cert_info; |
b6ba4014 MC |
941 | int read_ahead; |
942 | ||
943 | /* callback that allows applications to peek at protocol messages */ | |
63dfde87 | 944 | ossl_msg_cb msg_callback; |
b6ba4014 MC |
945 | void *msg_callback_arg; |
946 | ||
f7d53487 | 947 | uint32_t verify_mode; |
ec60ccc1 | 948 | size_t sid_ctx_length; |
b6ba4014 MC |
949 | unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH]; |
950 | /* called 'verify_callback' in the SSL */ | |
951 | int (*default_verify_callback) (int ok, X509_STORE_CTX *ctx); | |
952 | ||
953 | /* Default generate session ID callback. */ | |
954 | GEN_SESSION_CB generate_session_id; | |
955 | ||
956 | X509_VERIFY_PARAM *param; | |
957 | ||
958 | int quiet_shutdown; | |
959 | ||
a230b26e EK |
960 | # ifndef OPENSSL_NO_CT |
961 | CTLOG_STORE *ctlog_store; /* CT Log Store */ | |
ed29e82a | 962 | /* |
a230b26e EK |
963 | * Validates that the SCTs (Signed Certificate Timestamps) are sufficient. |
964 | * If they are not, the connection should be aborted. | |
965 | */ | |
43341433 | 966 | ssl_ct_validation_cb ct_validation_callback; |
ed29e82a | 967 | void *ct_validation_callback_arg; |
a230b26e | 968 | # endif |
ed29e82a | 969 | |
d102d9df MC |
970 | /* |
971 | * If we're using more than one pipeline how should we divide the data | |
972 | * up between the pipes? | |
973 | */ | |
7ee8627f | 974 | size_t split_send_fragment; |
b6ba4014 MC |
975 | /* |
976 | * Maximum amount of data to send in one fragment. actual record size can | |
977 | * be more than this due to padding and MAC overheads. | |
978 | */ | |
7ee8627f | 979 | size_t max_send_fragment; |
b6ba4014 | 980 | |
d102d9df | 981 | /* Up to how many pipelines should we use? If 0 then 1 is assumed */ |
7ee8627f | 982 | size_t max_pipelines; |
d102d9df | 983 | |
dad78fb1 MC |
984 | /* The default read buffer length to use (0 means not set) */ |
985 | size_t default_read_buf_len; | |
986 | ||
a230b26e | 987 | # ifndef OPENSSL_NO_ENGINE |
b6ba4014 MC |
988 | /* |
989 | * Engine to pass requests for client certs to | |
990 | */ | |
991 | ENGINE *client_cert_engine; | |
a230b26e | 992 | # endif |
b6ba4014 | 993 | |
a9c0d8be DB |
994 | /* ClientHello callback. Mostly for extensions, but not entirely. */ |
995 | SSL_client_hello_cb_fn client_hello_cb; | |
996 | void *client_hello_cb_arg; | |
6b1bb98f | 997 | |
aff8c126 RS |
998 | /* TLS extensions. */ |
999 | struct { | |
1000 | /* TLS extensions servername callback */ | |
1001 | int (*servername_cb) (SSL *, int *, void *); | |
1002 | void *servername_arg; | |
1003 | /* RFC 4507 session ticket keys */ | |
1004 | unsigned char tick_key_name[TLSEXT_KEYNAME_LENGTH]; | |
4bfb96f2 | 1005 | SSL_CTX_EXT_SECURE *secure; |
a76ce286 | 1006 | # ifndef OPENSSL_NO_DEPRECATED_3_0 |
aff8c126 RS |
1007 | /* Callback to support customisation of ticket key setting */ |
1008 | int (*ticket_key_cb) (SSL *ssl, | |
1009 | unsigned char *name, unsigned char *iv, | |
1010 | EVP_CIPHER_CTX *ectx, HMAC_CTX *hctx, int enc); | |
a76ce286 P |
1011 | #endif |
1012 | int (*ticket_key_evp_cb) (SSL *ssl, | |
1013 | unsigned char *name, unsigned char *iv, | |
1014 | EVP_CIPHER_CTX *ectx, EVP_MAC_CTX *hctx, | |
1015 | int enc); | |
aff8c126 RS |
1016 | |
1017 | /* certificate status request info */ | |
1018 | /* Callback for status request */ | |
1019 | int (*status_cb) (SSL *ssl, void *arg); | |
1020 | void *status_arg; | |
1021 | /* ext status type used for CSR extension (OCSP Stapling) */ | |
1022 | int status_type; | |
cf72c757 F |
1023 | /* RFC 4366 Maximum Fragment Length Negotiation */ |
1024 | uint8_t max_fragment_len_mode; | |
b6ba4014 | 1025 | |
aff8c126 RS |
1026 | /* EC extension values inherited by SSL structure */ |
1027 | size_t ecpointformats_len; | |
1028 | unsigned char *ecpointformats; | |
dbc6268f | 1029 | |
aff8c126 | 1030 | size_t supportedgroups_len; |
9e84a42d | 1031 | uint16_t *supportedgroups; |
b6ba4014 | 1032 | |
ddf8f1ce MC |
1033 | uint16_t *supported_groups_default; |
1034 | size_t supported_groups_default_len; | |
aff8c126 RS |
1035 | /* |
1036 | * ALPN information (we are in the process of transitioning from NPN to | |
1037 | * ALPN.) | |
1038 | */ | |
b6ba4014 MC |
1039 | |
1040 | /*- | |
1041 | * For a server, this contains a callback function that allows the | |
1042 | * server to select the protocol for the connection. | |
1043 | * out: on successful return, this must point to the raw protocol | |
1044 | * name (without the length prefix). | |
1045 | * outlen: on successful return, this contains the length of |*out|. | |
1046 | * in: points to the client's list of supported protocols in | |
1047 | * wire-format. | |
1048 | * inlen: the length of |in|. | |
1049 | */ | |
aff8c126 RS |
1050 | int (*alpn_select_cb) (SSL *s, |
1051 | const unsigned char **out, | |
1052 | unsigned char *outlen, | |
1053 | const unsigned char *in, | |
1054 | unsigned int inlen, void *arg); | |
1055 | void *alpn_select_cb_arg; | |
b6ba4014 | 1056 | |
aff8c126 RS |
1057 | /* |
1058 | * For a client, this contains the list of supported protocols in wire | |
1059 | * format. | |
1060 | */ | |
1061 | unsigned char *alpn; | |
1062 | size_t alpn_len; | |
1063 | ||
e3bc1305 | 1064 | # ifndef OPENSSL_NO_NEXTPROTONEG |
aff8c126 RS |
1065 | /* Next protocol negotiation information */ |
1066 | ||
1067 | /* | |
1068 | * For a server, this contains a callback function by which the set of | |
1069 | * advertised protocols can be provided. | |
1070 | */ | |
8cbfcc70 | 1071 | SSL_CTX_npn_advertised_cb_func npn_advertised_cb; |
aff8c126 RS |
1072 | void *npn_advertised_cb_arg; |
1073 | /* | |
1074 | * For a client, this contains a callback function that selects the next | |
1075 | * protocol from the list provided by the server. | |
1076 | */ | |
8cbfcc70 | 1077 | SSL_CTX_npn_select_cb_func npn_select_cb; |
aff8c126 RS |
1078 | void *npn_select_cb_arg; |
1079 | # endif | |
43054d3d MC |
1080 | |
1081 | unsigned char cookie_hmac_key[SHA256_DIGEST_LENGTH]; | |
aff8c126 RS |
1082 | } ext; |
1083 | ||
1084 | # ifndef OPENSSL_NO_PSK | |
8cbfcc70 RS |
1085 | SSL_psk_client_cb_func psk_client_callback; |
1086 | SSL_psk_server_cb_func psk_server_callback; | |
aff8c126 | 1087 | # endif |
3a7c56b2 | 1088 | SSL_psk_find_session_cb_func psk_find_session_cb; |
9368f865 | 1089 | SSL_psk_use_session_cb_func psk_use_session_cb; |
aff8c126 RS |
1090 | |
1091 | # ifndef OPENSSL_NO_SRP | |
1092 | SRP_CTX srp_ctx; /* ctx for SRP authentication */ | |
1093 | # endif | |
b6ba4014 | 1094 | |
919ba009 VD |
1095 | /* Shared DANE context */ |
1096 | struct dane_ctx_st dane; | |
1097 | ||
1fb6b0bf | 1098 | # ifndef OPENSSL_NO_SRTP |
b6ba4014 MC |
1099 | /* SRTP profiles we are willing to do from RFC 5764 */ |
1100 | STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles; | |
1fb6b0bf | 1101 | # endif |
b6ba4014 MC |
1102 | /* |
1103 | * Callback for disabling session caching and ticket support on a session | |
1104 | * basis, depending on the chosen cipher. | |
1105 | */ | |
1106 | int (*not_resumable_session_cb) (SSL *ssl, int is_forward_secure); | |
ba261f71 | 1107 | |
16203f7b | 1108 | CRYPTO_RWLOCK *lock; |
2faa1b48 CB |
1109 | |
1110 | /* | |
1111 | * Callback for logging key material for use with debugging tools like | |
1112 | * Wireshark. The callback should log `line` followed by a newline. | |
1113 | */ | |
1114 | SSL_CTX_keylog_cb_func keylog_callback; | |
3fc8d856 | 1115 | |
4e8548e8 MC |
1116 | /* |
1117 | * The maximum number of bytes advertised in session tickets that can be | |
1118 | * sent as early data. | |
1119 | */ | |
3fc8d856 | 1120 | uint32_t max_early_data; |
c649d10d | 1121 | |
4e8548e8 MC |
1122 | /* |
1123 | * The maximum number of bytes of early data that a server will tolerate | |
1124 | * (which should be at least as much as max_early_data). | |
1125 | */ | |
1126 | uint32_t recv_max_early_data; | |
1127 | ||
c649d10d TS |
1128 | /* TLS1.3 padding callback */ |
1129 | size_t (*record_padding_cb)(SSL *s, int type, size_t len, void *arg); | |
1130 | void *record_padding_arg; | |
1131 | size_t block_padding; | |
df0fed9a TS |
1132 | |
1133 | /* Session ticket appdata */ | |
1134 | SSL_CTX_generate_session_ticket_fn generate_ticket_cb; | |
1135 | SSL_CTX_decrypt_session_ticket_fn decrypt_ticket_cb; | |
1136 | void *ticket_cb_data; | |
9d0a8bb7 MC |
1137 | |
1138 | /* The number of TLS1.3 tickets to automatically send */ | |
1139 | size_t num_tickets; | |
c9598459 MC |
1140 | |
1141 | /* Callback to determine if early_data is acceptable or not */ | |
1142 | SSL_allow_early_data_cb_fn allow_early_data_cb; | |
1143 | void *allow_early_data_cb_data; | |
e97be718 MC |
1144 | |
1145 | /* Do we advertise Post-handshake auth support? */ | |
1146 | int pha_enabled; | |
9f5a87fd PY |
1147 | |
1148 | /* Callback for SSL async handling */ | |
1149 | SSL_async_callback_fn async_cb; | |
1150 | void *async_cb_arg; | |
ba18627e MC |
1151 | |
1152 | char *propq; | |
c8f6c28a | 1153 | |
53d85372 | 1154 | int ssl_mac_pkey_id[SSL_MD_NUM_IDX]; |
c8f6c28a MC |
1155 | const EVP_CIPHER *ssl_cipher_methods[SSL_ENC_NUM_IDX]; |
1156 | const EVP_MD *ssl_digest_methods[SSL_MD_NUM_IDX]; | |
1157 | size_t ssl_mac_secret_size[SSL_MD_NUM_IDX]; | |
263ff2c9 | 1158 | |
ee58915c | 1159 | size_t tls12_sigalgs_len; |
263ff2c9 MC |
1160 | /* Cache of all sigalgs we know and whether they are available or not */ |
1161 | struct sigalg_lookup_st *sigalg_lookup_cache; | |
ee58915c MB |
1162 | /* List of all sigalgs (code points) available, incl. from providers */ |
1163 | uint16_t *tls12_sigalgs; | |
9d2d857f MC |
1164 | |
1165 | TLS_GROUP_INFO *group_list; | |
1166 | size_t group_list_len; | |
1167 | size_t group_list_max_len; | |
a68eee67 | 1168 | |
ee58915c MB |
1169 | TLS_SIGALG_INFO *sigalg_list; |
1170 | size_t sigalg_list_len; | |
1171 | size_t sigalg_list_max_len; | |
1172 | ||
a68eee67 MC |
1173 | /* masks of disabled algorithms */ |
1174 | uint32_t disabled_enc_mask; | |
1175 | uint32_t disabled_mac_mask; | |
1176 | uint32_t disabled_mkey_mask; | |
1177 | uint32_t disabled_auth_mask; | |
b67cb09f TS |
1178 | |
1179 | #ifndef OPENSSL_NO_COMP_ALG | |
1180 | /* certificate compression preferences */ | |
1181 | int cert_comp_prefs[TLSEXT_comp_cert_limit]; | |
1182 | #endif | |
3c95ef22 TS |
1183 | |
1184 | /* Certificate Type stuff - for RPK vs X.509 */ | |
1185 | unsigned char *client_cert_type; | |
1186 | size_t client_cert_type_len; | |
1187 | unsigned char *server_cert_type; | |
1188 | size_t server_cert_type_len; | |
b6ba4014 MC |
1189 | }; |
1190 | ||
555cbb32 TS |
1191 | typedef struct cert_pkey_st CERT_PKEY; |
1192 | ||
38b051a1 TM |
1193 | #define SSL_TYPE_SSL_CONNECTION 0 |
1194 | #define SSL_TYPE_QUIC_CONNECTION 1 | |
f8636c7e | 1195 | #define SSL_TYPE_QUIC_XSO 2 |
38b051a1 | 1196 | |
b6ba4014 | 1197 | struct ssl_st { |
38b051a1 TM |
1198 | int type; |
1199 | SSL_CTX *ctx; | |
a7f41885 | 1200 | const SSL_METHOD *defltmeth; |
38b051a1 TM |
1201 | const SSL_METHOD *method; |
1202 | CRYPTO_REF_COUNT references; | |
1203 | CRYPTO_RWLOCK *lock; | |
1204 | /* extra application data */ | |
1205 | CRYPTO_EX_DATA ex_data; | |
1206 | }; | |
1207 | ||
1208 | struct ssl_connection_st { | |
1209 | /* type identifier and common data */ | |
1210 | struct ssl_st ssl; | |
b6ba4014 MC |
1211 | /* |
1212 | * protocol version (one of SSL2_VERSION, SSL3_VERSION, TLS1_VERSION, | |
1213 | * DTLS1_VERSION) | |
1214 | */ | |
1215 | int version; | |
b6ba4014 MC |
1216 | /* |
1217 | * There are 2 BIO's even though they are normally both the same. This | |
1218 | * is so data can be read and written to different handlers | |
1219 | */ | |
1220 | /* used by SSL_read */ | |
1221 | BIO *rbio; | |
1222 | /* used by SSL_write */ | |
1223 | BIO *wbio; | |
1224 | /* used during session-id reuse to concatenate messages */ | |
1225 | BIO *bbio; | |
1226 | /* | |
1227 | * This holds a variable that indicates what we were doing when a 0 or -1 | |
1228 | * is returned. This is needed for non-blocking IO so we know what | |
1229 | * request needs re-doing when in SSL_accept or SSL_connect | |
1230 | */ | |
1231 | int rwstate; | |
b6ba4014 MC |
1232 | int (*handshake_func) (SSL *); |
1233 | /* | |
1234 | * Imagine that here's a boolean member "init" that is switched as soon | |
1235 | * as SSL_set_{accept/connect}_state is called for the first time, so | |
1236 | * that "state" and "handshake_func" are properly initialized. But as | |
1237 | * handshake_func is == 0 until then, we use this test instead of an | |
1238 | * "init" member. | |
1239 | */ | |
23a635c0 | 1240 | /* are we the server side? */ |
b6ba4014 MC |
1241 | int server; |
1242 | /* | |
1243 | * Generate a new session or reuse an old one. | |
1244 | * NB: For servers, the 'new' session may actually be a previously | |
1245 | * cached session or even the previous session unless | |
1246 | * SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION is set | |
1247 | */ | |
1248 | int new_session; | |
1249 | /* don't send shutdown packets */ | |
1250 | int quiet_shutdown; | |
1251 | /* we have shut things down, 0x01 sent, 0x02 for received */ | |
1252 | int shutdown; | |
cee0628e JC |
1253 | /* Timestamps used to calculate the handshake RTT */ |
1254 | OSSL_TIME ts_msg_write; | |
1255 | OSSL_TIME ts_msg_read; | |
b6ba4014 | 1256 | /* where we are */ |
d6f1a6e9 | 1257 | OSSL_STATEM statem; |
49e7fe12 | 1258 | SSL_EARLY_DATA_STATE early_data_state; |
b6ba4014 MC |
1259 | BUF_MEM *init_buf; /* buffer used during init */ |
1260 | void *init_msg; /* pointer to handshake message body, set by | |
1261 | * ssl3_get_message() */ | |
eda75751 MC |
1262 | size_t init_num; /* amount read/written */ |
1263 | size_t init_off; /* amount read/written */ | |
555cbb32 | 1264 | |
ee58915c MB |
1265 | size_t ssl_pkey_num; |
1266 | ||
555cbb32 TS |
1267 | struct { |
1268 | long flags; | |
555cbb32 TS |
1269 | unsigned char server_random[SSL3_RANDOM_SIZE]; |
1270 | unsigned char client_random[SSL3_RANDOM_SIZE]; | |
b9e4e783 | 1271 | |
555cbb32 TS |
1272 | /* used during startup, digest all incoming/outgoing packets */ |
1273 | BIO *handshake_buffer; | |
1274 | /* | |
1275 | * When handshake digest is determined, buffer is hashed and | |
1276 | * freed and MD_CTX for the required digest is stored here. | |
1277 | */ | |
1278 | EVP_MD_CTX *handshake_dgst; | |
1279 | /* | |
1280 | * Set whenever an expected ChangeCipherSpec message is processed. | |
1281 | * Unset when the peer's Finished message is received. | |
1282 | * Unexpected ChangeCipherSpec messages trigger a fatal alert. | |
1283 | */ | |
1284 | int change_cipher_spec; | |
1285 | int warn_alert; | |
1286 | int fatal_alert; | |
1287 | /* | |
1288 | * we allow one fatal and one warning alert to be outstanding, send close | |
1289 | * alert via the warning alert | |
1290 | */ | |
1291 | int alert_dispatch; | |
1292 | unsigned char send_alert[2]; | |
1293 | /* | |
1294 | * This flag is set when we should renegotiate ASAP, basically when there | |
1295 | * is no more data in the read or write buffers | |
1296 | */ | |
1297 | int renegotiate; | |
1298 | int total_renegotiations; | |
1299 | int num_renegotiations; | |
1300 | int in_read_app_data; | |
ee58915c | 1301 | |
555cbb32 TS |
1302 | struct { |
1303 | /* actually only need to be 16+20 for SSLv3 and 12 for TLS */ | |
1304 | unsigned char finish_md[EVP_MAX_MD_SIZE * 2]; | |
1305 | size_t finish_md_len; | |
1306 | unsigned char peer_finish_md[EVP_MAX_MD_SIZE * 2]; | |
1307 | size_t peer_finish_md_len; | |
1308 | size_t message_size; | |
1309 | int message_type; | |
1310 | /* used to hold the new cipher we are going to use */ | |
1311 | const SSL_CIPHER *new_cipher; | |
cbb85bda | 1312 | EVP_PKEY *pkey; /* holds short lived key exchange key */ |
555cbb32 TS |
1313 | /* used for certificate requests */ |
1314 | int cert_req; | |
1315 | /* Certificate types in certificate request message. */ | |
1316 | uint8_t *ctype; | |
1317 | size_t ctype_len; | |
1318 | /* Certificate authorities list peer sent */ | |
1319 | STACK_OF(X509_NAME) *peer_ca_names; | |
1320 | size_t key_block_length; | |
1321 | unsigned char *key_block; | |
1322 | const EVP_CIPHER *new_sym_enc; | |
1323 | const EVP_MD *new_hash; | |
1324 | int new_mac_pkey_type; | |
1325 | size_t new_mac_secret_size; | |
1326 | # ifndef OPENSSL_NO_COMP | |
1327 | const SSL_COMP *new_compression; | |
1328 | # else | |
1329 | char *new_compression; | |
1330 | # endif | |
1331 | int cert_request; | |
1332 | /* Raw values of the cipher list from a client */ | |
1333 | unsigned char *ciphers_raw; | |
1334 | size_t ciphers_rawlen; | |
1335 | /* Temporary storage for premaster secret */ | |
1336 | unsigned char *pms; | |
1337 | size_t pmslen; | |
1338 | # ifndef OPENSSL_NO_PSK | |
1339 | /* Temporary storage for PSK key */ | |
1340 | unsigned char *psk; | |
1341 | size_t psklen; | |
1342 | # endif | |
1343 | /* Signature algorithm we actually use */ | |
1344 | const struct sigalg_lookup_st *sigalg; | |
1345 | /* Pointer to certificate we use */ | |
1346 | CERT_PKEY *cert; | |
1347 | /* | |
1348 | * signature algorithms peer reports: e.g. supported signature | |
1349 | * algorithms extension for server or as part of a certificate | |
1350 | * request for client. | |
1351 | * Keep track of the algorithms for TLS and X.509 usage separately. | |
1352 | */ | |
1353 | uint16_t *peer_sigalgs; | |
1354 | uint16_t *peer_cert_sigalgs; | |
1355 | /* Size of above arrays */ | |
1356 | size_t peer_sigalgslen; | |
1357 | size_t peer_cert_sigalgslen; | |
1358 | /* Sigalg peer actually uses */ | |
1359 | const struct sigalg_lookup_st *peer_sigalg; | |
1360 | /* | |
1361 | * Set if corresponding CERT_PKEY can be used with current | |
1362 | * SSL session: e.g. appropriate curve, signature algorithms etc. | |
1363 | * If zero it can't be used at all. | |
1364 | */ | |
ee58915c | 1365 | uint32_t *valid_flags; |
555cbb32 TS |
1366 | /* |
1367 | * For servers the following masks are for the key and auth algorithms | |
1368 | * that are supported by the certs below. For clients they are masks of | |
1369 | * *disabled* algorithms based on the current session. | |
1370 | */ | |
1371 | uint32_t mask_k; | |
1372 | uint32_t mask_a; | |
1373 | /* | |
1374 | * The following are used by the client to see if a cipher is allowed or | |
1375 | * not. It contains the minimum and maximum version the client's using | |
1376 | * based on what it knows so far. | |
1377 | */ | |
1378 | int min_ver; | |
1379 | int max_ver; | |
1380 | } tmp; | |
1381 | ||
1382 | /* Connection binding to prevent renegotiation attacks */ | |
1383 | unsigned char previous_client_finished[EVP_MAX_MD_SIZE]; | |
1384 | size_t previous_client_finished_len; | |
1385 | unsigned char previous_server_finished[EVP_MAX_MD_SIZE]; | |
1386 | size_t previous_server_finished_len; | |
407820c0 | 1387 | int send_connection_binding; |
555cbb32 TS |
1388 | |
1389 | # ifndef OPENSSL_NO_NEXTPROTONEG | |
1390 | /* | |
1391 | * Set if we saw the Next Protocol Negotiation extension from our peer. | |
1392 | */ | |
1393 | int npn_seen; | |
1394 | # endif | |
1395 | ||
1396 | /* | |
1397 | * ALPN information (we are in the process of transitioning from NPN to | |
1398 | * ALPN.) | |
1399 | */ | |
1400 | ||
1401 | /* | |
1402 | * In a server these point to the selected ALPN protocol after the | |
1403 | * ClientHello has been processed. In a client these contain the protocol | |
1404 | * that the server selected once the ServerHello has been processed. | |
1405 | */ | |
1406 | unsigned char *alpn_selected; | |
1407 | size_t alpn_selected_len; | |
1408 | /* used by the server to know what options were proposed */ | |
1409 | unsigned char *alpn_proposed; | |
1410 | size_t alpn_proposed_len; | |
1411 | /* used by the client to know if it actually sent alpn */ | |
1412 | int alpn_sent; | |
1413 | ||
555cbb32 TS |
1414 | /* |
1415 | * This is set to true if we believe that this is a version of Safari | |
1416 | * running on OS X 10.6 or newer. We wish to know this because Safari on | |
1417 | * 10.8 .. 10.8.3 has broken ECDHE-ECDSA support. | |
1418 | */ | |
1419 | char is_probably_safari; | |
555cbb32 | 1420 | |
aa6bd216 BK |
1421 | /* |
1422 | * Track whether we did a key exchange this handshake or not, so | |
1423 | * SSL_get_negotiated_group() knows whether to fall back to the | |
1424 | * value in the SSL_SESSION. | |
1425 | */ | |
1426 | char did_kex; | |
555cbb32 | 1427 | /* For clients: peer temporary key */ |
cbb85bda | 1428 | /* The group_id for the key exchange key */ |
555cbb32 TS |
1429 | uint16_t group_id; |
1430 | EVP_PKEY *peer_tmp; | |
555cbb32 TS |
1431 | |
1432 | } s3; | |
1433 | ||
b6ba4014 | 1434 | struct dtls1_state_st *d1; /* DTLSv1 variables */ |
b6ba4014 MC |
1435 | /* callback that allows applications to peek at protocol messages */ |
1436 | void (*msg_callback) (int write_p, int version, int content_type, | |
1437 | const void *buf, size_t len, SSL *ssl, void *arg); | |
1438 | void *msg_callback_arg; | |
1439 | int hit; /* reusing a previous session */ | |
1440 | X509_VERIFY_PARAM *param; | |
919ba009 | 1441 | /* Per connection DANE state */ |
b9aec69a | 1442 | SSL_DANE dane; |
b6ba4014 | 1443 | /* crypto */ |
eee2a6a7 | 1444 | STACK_OF(SSL_CIPHER) *peer_ciphers; |
b6ba4014 MC |
1445 | STACK_OF(SSL_CIPHER) *cipher_list; |
1446 | STACK_OF(SSL_CIPHER) *cipher_list_by_id; | |
f865b081 MC |
1447 | /* TLSv1.3 specific ciphersuites */ |
1448 | STACK_OF(SSL_CIPHER) *tls13_ciphersuites; | |
b6ba4014 MC |
1449 | /* |
1450 | * These are the ones being used, the ones in SSL_SESSION are the ones to | |
1451 | * be 'copied' into these ones | |
1452 | */ | |
f7d53487 | 1453 | uint32_t mac_flags; |
34574f19 | 1454 | /* |
4ff1a526 | 1455 | * The TLS1.3 secrets. |
34574f19 MC |
1456 | */ |
1457 | unsigned char early_secret[EVP_MAX_MD_SIZE]; | |
1458 | unsigned char handshake_secret[EVP_MAX_MD_SIZE]; | |
ec15acb6 | 1459 | unsigned char master_secret[EVP_MAX_MD_SIZE]; |
4ff1a526 | 1460 | unsigned char resumption_master_secret[EVP_MAX_MD_SIZE]; |
6484776f MC |
1461 | unsigned char client_finished_secret[EVP_MAX_MD_SIZE]; |
1462 | unsigned char server_finished_secret[EVP_MAX_MD_SIZE]; | |
ace081c1 | 1463 | unsigned char server_finished_hash[EVP_MAX_MD_SIZE]; |
fe5e20fd | 1464 | unsigned char handshake_traffic_hash[EVP_MAX_MD_SIZE]; |
57389a32 MC |
1465 | unsigned char client_app_traffic_secret[EVP_MAX_MD_SIZE]; |
1466 | unsigned char server_app_traffic_secret[EVP_MAX_MD_SIZE]; | |
0ca8d1ec | 1467 | unsigned char exporter_master_secret[EVP_MAX_MD_SIZE]; |
b38ede80 | 1468 | unsigned char early_exporter_master_secret[EVP_MAX_MD_SIZE]; |
f471f60a | 1469 | |
b6ba4014 MC |
1470 | /* session info */ |
1471 | /* client cert? */ | |
1472 | /* This is used to hold the server certificate used */ | |
1473 | struct cert_st /* CERT */ *cert; | |
2c5dfdc3 MC |
1474 | |
1475 | /* | |
1476 | * The hash of all messages prior to the CertificateVerify, and the length | |
1477 | * of that hash. | |
1478 | */ | |
1479 | unsigned char cert_verify_hash[EVP_MAX_MD_SIZE]; | |
1480 | size_t cert_verify_hash_len; | |
1481 | ||
7d061fce | 1482 | /* Flag to indicate whether we should send a HelloRetryRequest or not */ |
fc7129dc MC |
1483 | enum {SSL_HRR_NONE = 0, SSL_HRR_PENDING, SSL_HRR_COMPLETE} |
1484 | hello_retry_request; | |
7d061fce | 1485 | |
b6ba4014 MC |
1486 | /* |
1487 | * the session_id_context is used to ensure sessions are only reused in | |
1488 | * the appropriate context | |
1489 | */ | |
ec60ccc1 | 1490 | size_t sid_ctx_length; |
b6ba4014 MC |
1491 | unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH]; |
1492 | /* This can also be in the session once a session is established */ | |
1493 | SSL_SESSION *session; | |
9368f865 MC |
1494 | /* TLSv1.3 PSK session */ |
1495 | SSL_SESSION *psksession; | |
add8d0e9 MC |
1496 | unsigned char *psksession_id; |
1497 | size_t psksession_id_len; | |
b6ba4014 MC |
1498 | /* Default generate session ID callback. */ |
1499 | GEN_SESSION_CB generate_session_id; | |
a5816a5a MC |
1500 | /* |
1501 | * The temporary TLSv1.3 session id. This isn't really a session id at all | |
1502 | * but is a random value sent in the legacy session id field. | |
1503 | */ | |
1504 | unsigned char tmp_session_id[SSL_MAX_SSL_SESSION_ID_LENGTH]; | |
1505 | size_t tmp_session_id_len; | |
b6ba4014 MC |
1506 | /* Used in SSL3 */ |
1507 | /* | |
1508 | * 0 don't care about verify failure. | |
1509 | * 1 fail if verify fails | |
1510 | */ | |
f7d53487 | 1511 | uint32_t verify_mode; |
b6ba4014 MC |
1512 | /* fail if callback returns 0 */ |
1513 | int (*verify_callback) (int ok, X509_STORE_CTX *ctx); | |
1514 | /* optional informational callback */ | |
1515 | void (*info_callback) (const SSL *ssl, int type, int val); | |
1516 | /* error bytes to be written */ | |
1517 | int error; | |
1518 | /* actual code */ | |
1519 | int error_code; | |
a230b26e | 1520 | # ifndef OPENSSL_NO_PSK |
8cbfcc70 RS |
1521 | SSL_psk_client_cb_func psk_client_callback; |
1522 | SSL_psk_server_cb_func psk_server_callback; | |
a230b26e | 1523 | # endif |
3a7c56b2 | 1524 | SSL_psk_find_session_cb_func psk_find_session_cb; |
9368f865 | 1525 | SSL_psk_use_session_cb_func psk_use_session_cb; |
5d263fb7 | 1526 | |
696178ed DSH |
1527 | /* Verified chain of peer */ |
1528 | STACK_OF(X509) *verified_chain; | |
b6ba4014 | 1529 | long verify_result; |
98732979 MC |
1530 | /* |
1531 | * What we put in certificate_authorities extension for TLS 1.3 | |
1532 | * (ClientHello and CertificateRequest) or just client cert requests for | |
1533 | * earlier versions. If client_ca_names is populated then it is only used | |
1534 | * for client cert requests, and in preference to ca_names. | |
1535 | */ | |
fa7c2637 | 1536 | STACK_OF(X509_NAME) *ca_names; |
98732979 | 1537 | STACK_OF(X509_NAME) *client_ca_names; |
b6ba4014 | 1538 | /* protocol behaviour */ |
56bd1783 | 1539 | uint64_t options; |
b6ba4014 | 1540 | /* API behaviour */ |
f7d53487 | 1541 | uint32_t mode; |
7946ab33 KR |
1542 | int min_proto_version; |
1543 | int max_proto_version; | |
12472b45 | 1544 | size_t max_cert_list; |
b6ba4014 | 1545 | int first_packet; |
7acb8b64 MC |
1546 | /* |
1547 | * What was passed in ClientHello.legacy_version. Used for RSA pre-master | |
1548 | * secret and SSLv3/TLS (<=1.2) rollback check | |
1549 | */ | |
b6ba4014 | 1550 | int client_version; |
d102d9df MC |
1551 | /* |
1552 | * If we're using more than one pipeline how should we divide the data | |
1553 | * up between the pipes? | |
1554 | */ | |
7ee8627f | 1555 | size_t split_send_fragment; |
d102d9df MC |
1556 | /* |
1557 | * Maximum amount of data to send in one fragment. actual record size can | |
1558 | * be more than this due to padding and MAC overheads. | |
1559 | */ | |
7ee8627f | 1560 | size_t max_send_fragment; |
d102d9df | 1561 | /* Up to how many pipelines should we use? If 0 then 1 is assumed */ |
7ee8627f | 1562 | size_t max_pipelines; |
aff8c126 RS |
1563 | |
1564 | struct { | |
b186a592 MC |
1565 | /* Built-in extension flags */ |
1566 | uint8_t extflags[TLSEXT_IDX_num_builtins]; | |
aff8c126 | 1567 | /* TLS extension debug callback */ |
1ed327f7 RS |
1568 | void (*debug_cb)(SSL *s, int client_server, int type, |
1569 | const unsigned char *data, int len, void *arg); | |
aff8c126 RS |
1570 | void *debug_arg; |
1571 | char *hostname; | |
1572 | /* certificate status request info */ | |
1573 | /* Status type or -1 if no status type */ | |
1574 | int status_type; | |
1575 | /* Raw extension data, if seen */ | |
1576 | unsigned char *scts; | |
1577 | /* Length of raw extension data, if seen */ | |
1578 | uint16_t scts_len; | |
1579 | /* Expect OCSP CertificateStatus message */ | |
1580 | int status_expected; | |
1581 | ||
1582 | struct { | |
1583 | /* OCSP status request only */ | |
1584 | STACK_OF(OCSP_RESPID) *ids; | |
1585 | X509_EXTENSIONS *exts; | |
1586 | /* OCSP response received or to be sent */ | |
1587 | unsigned char *resp; | |
1588 | size_t resp_len; | |
1589 | } ocsp; | |
1590 | ||
1591 | /* RFC4507 session ticket expected to be received or sent */ | |
1592 | int ticket_expected; | |
35774d55 BK |
1593 | /* TLS 1.3 tickets requested by the application. */ |
1594 | int extra_tickets_expected; | |
aff8c126 RS |
1595 | size_t ecpointformats_len; |
1596 | /* our list */ | |
1597 | unsigned char *ecpointformats; | |
cd0fb43c MC |
1598 | |
1599 | size_t peer_ecpointformats_len; | |
1600 | /* peer's list */ | |
1601 | unsigned char *peer_ecpointformats; | |
aff8c126 RS |
1602 | size_t supportedgroups_len; |
1603 | /* our list */ | |
9e84a42d | 1604 | uint16_t *supportedgroups; |
45436e61 MC |
1605 | |
1606 | size_t peer_supportedgroups_len; | |
1607 | /* peer's list */ | |
1608 | uint16_t *peer_supportedgroups; | |
1609 | ||
aff8c126 RS |
1610 | /* TLS Session Ticket extension override */ |
1611 | TLS_SESSION_TICKET_EXT *session_ticket; | |
1612 | /* TLS Session Ticket extension callback */ | |
1613 | tls_session_ticket_ext_cb_fn session_ticket_cb; | |
1614 | void *session_ticket_cb_arg; | |
1615 | /* TLS pre-shared secret session resumption */ | |
1616 | tls_session_secret_cb_fn session_secret_cb; | |
1617 | void *session_secret_cb_arg; | |
1618 | /* | |
1619 | * For a client, this contains the list of supported protocols in wire | |
1620 | * format. | |
1621 | */ | |
1622 | unsigned char *alpn; | |
1623 | size_t alpn_len; | |
1624 | /* | |
1625 | * Next protocol negotiation. For the client, this is the protocol that | |
1626 | * we sent in NextProtocol and is set when handling ServerHello | |
1627 | * extensions. For a server, this is the client's selected_protocol from | |
1628 | * NextProtocol and is set when handling the NextProtocol message, before | |
1629 | * the Finished message. | |
1630 | */ | |
1631 | unsigned char *npn; | |
1632 | size_t npn_len; | |
b2f7e8c0 | 1633 | |
4086b42b | 1634 | /* The available PSK key exchange modes */ |
b2f7e8c0 | 1635 | int psk_kex_mode; |
28a31a0a MC |
1636 | |
1637 | /* Set to one if we have negotiated ETM */ | |
1638 | int use_etm; | |
0a87d0ac | 1639 | |
1ea4d09a MC |
1640 | /* Are we expecting to receive early data? */ |
1641 | int early_data; | |
2c604cb9 MC |
1642 | /* Is the session suitable for early data? */ |
1643 | int early_data_ok; | |
cfef5027 MC |
1644 | |
1645 | /* May be sent by a server in HRR. Must be echoed back in ClientHello */ | |
1646 | unsigned char *tls13_cookie; | |
1647 | size_t tls13_cookie_len; | |
c36001c3 MC |
1648 | /* Have we received a cookie from the client? */ |
1649 | int cookieok; | |
1650 | ||
cf72c757 F |
1651 | /* |
1652 | * Maximum Fragment Length as per RFC 4366. | |
1653 | * If this member contains one of the allowed values (1-4) | |
1654 | * then we should include Maximum Fragment Length Negotiation | |
1655 | * extension in Client Hello. | |
1656 | * Please note that value of this member does not have direct | |
1657 | * effect. The actual (binding) value is stored in SSL_SESSION, | |
1658 | * as this extension is optional on server side. | |
1659 | */ | |
1660 | uint8_t max_fragment_len_mode; | |
c96ce52c MC |
1661 | |
1662 | /* | |
1663 | * On the client side the number of ticket identities we sent in the | |
1664 | * ClientHello. On the server side the identity of the ticket we | |
1665 | * selected. | |
1666 | */ | |
1667 | int tick_identity; | |
b67cb09f TS |
1668 | |
1669 | /* This is the list of algorithms the peer supports that we also support */ | |
1670 | int compress_certificate_from_peer[TLSEXT_comp_cert_limit]; | |
1671 | /* indicate that we sent the extension, so we'll accept it */ | |
1672 | int compress_certificate_sent; | |
3c95ef22 TS |
1673 | |
1674 | uint8_t client_cert_type; | |
1675 | uint8_t client_cert_type_ctos; | |
1676 | uint8_t server_cert_type; | |
1677 | uint8_t server_cert_type_ctos; | |
aff8c126 RS |
1678 | } ext; |
1679 | ||
a9c0d8be DB |
1680 | /* |
1681 | * Parsed form of the ClientHello, kept around across client_hello_cb | |
1682 | * calls. | |
1683 | */ | |
6b1bb98f BK |
1684 | CLIENTHELLO_MSG *clienthello; |
1685 | ||
b6ba4014 MC |
1686 | /*- |
1687 | * no further mod of servername | |
1688 | * 0 : call the servername extension callback. | |
1689 | * 1 : prepare 2, allow last ack just after in server callback. | |
1690 | * 2 : don't call servername callback, no ack in server hello | |
1691 | */ | |
1692 | int servername_done; | |
a230b26e | 1693 | # ifndef OPENSSL_NO_CT |
ed29e82a | 1694 | /* |
a230b26e EK |
1695 | * Validates that the SCTs (Signed Certificate Timestamps) are sufficient. |
1696 | * If they are not, the connection should be aborted. | |
1697 | */ | |
43341433 | 1698 | ssl_ct_validation_cb ct_validation_callback; |
48722ff5 | 1699 | /* User-supplied argument that is passed to the ct_validation_callback */ |
ed29e82a RP |
1700 | void *ct_validation_callback_arg; |
1701 | /* | |
1702 | * Consolidated stack of SCTs from all sources. | |
1703 | * Lazily populated by CT_get_peer_scts(SSL*) | |
1704 | */ | |
1705 | STACK_OF(SCT) *scts; | |
ed29e82a RP |
1706 | /* Have we attempted to find/parse SCTs yet? */ |
1707 | int scts_parsed; | |
a230b26e | 1708 | # endif |
222da979 | 1709 | SSL_CTX *session_ctx; /* initial ctx, used to store sessions */ |
1fb6b0bf | 1710 | # ifndef OPENSSL_NO_SRTP |
b6ba4014 MC |
1711 | /* What we'll do */ |
1712 | STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles; | |
1713 | /* What's been chosen */ | |
1714 | SRTP_PROTECTION_PROFILE *srtp_profile; | |
1fb6b0bf | 1715 | # endif |
b6ba4014 MC |
1716 | /*- |
1717 | * 1 if we are renegotiating. | |
1718 | * 2 if we are a server and are inside a handshake | |
1719 | * (i.e. not just sending a HelloRequest) | |
1720 | */ | |
1721 | int renegotiate; | |
44c04a2e | 1722 | /* If sending a KeyUpdate is pending */ |
4fbfe86a | 1723 | int key_update; |
9d75dce3 TS |
1724 | /* Post-handshake authentication state */ |
1725 | SSL_PHA_STATE post_handshake_auth; | |
32097b33 | 1726 | int pha_enabled; |
9d75dce3 TS |
1727 | uint8_t* pha_context; |
1728 | size_t pha_context_len; | |
1729 | int certreqs_sent; | |
1730 | EVP_MD_CTX *pha_dgst; /* this is just the digest through ClientFinished */ | |
1731 | ||
a230b26e | 1732 | # ifndef OPENSSL_NO_SRP |
b6ba4014 MC |
1733 | /* ctx for SRP authentication */ |
1734 | SRP_CTX srp_ctx; | |
a230b26e | 1735 | # endif |
b6ba4014 MC |
1736 | /* |
1737 | * Callback for disabling session caching and ticket support on a session | |
1738 | * basis, depending on the chosen cipher. | |
1739 | */ | |
1740 | int (*not_resumable_session_cb) (SSL *ssl, int is_forward_secure); | |
e2d5742b | 1741 | |
cffafb5f | 1742 | /* Record layer data */ |
28d59af8 | 1743 | RECORD_LAYER rlayer; |
e2d5742b | 1744 | |
a974e64a MC |
1745 | /* Default password callback. */ |
1746 | pem_password_cb *default_passwd_callback; | |
a974e64a MC |
1747 | /* Default password callback user data. */ |
1748 | void *default_passwd_callback_userdata; | |
07bbc92c MC |
1749 | /* Async Job info */ |
1750 | ASYNC_JOB *job; | |
ff75a257 | 1751 | ASYNC_WAIT_CTX *waitctx; |
7ee8627f | 1752 | size_t asyncrw; |
eda75751 | 1753 | |
4e8548e8 MC |
1754 | /* |
1755 | * The maximum number of bytes advertised in session tickets that can be | |
1756 | * sent as early data. | |
1757 | */ | |
3fc8d856 | 1758 | uint32_t max_early_data; |
4e8548e8 MC |
1759 | /* |
1760 | * The maximum number of bytes of early data that a server will tolerate | |
1761 | * (which should be at least as much as max_early_data). | |
1762 | */ | |
1763 | uint32_t recv_max_early_data; | |
1764 | ||
70ef40a0 MC |
1765 | /* |
1766 | * The number of bytes of early data received so far. If we accepted early | |
1767 | * data then this is a count of the plaintext bytes. If we rejected it then | |
1768 | * this is a count of the ciphertext bytes. | |
1769 | */ | |
1770 | uint32_t early_data_count; | |
3fc8d856 | 1771 | |
9d0a8bb7 MC |
1772 | /* The number of TLS1.3 tickets to automatically send */ |
1773 | size_t num_tickets; | |
1774 | /* The number of TLS1.3 tickets actually sent so far */ | |
1775 | size_t sent_tickets; | |
4ff1a526 MC |
1776 | /* The next nonce value to use when we send a ticket on this connection */ |
1777 | uint64_t next_ticket_nonce; | |
c9598459 MC |
1778 | |
1779 | /* Callback to determine if early_data is acceptable or not */ | |
1780 | SSL_allow_early_data_cb_fn allow_early_data_cb; | |
1781 | void *allow_early_data_cb_data; | |
9f5a87fd PY |
1782 | |
1783 | /* Callback for SSL async handling */ | |
1784 | SSL_async_callback_fn async_cb; | |
1785 | void *async_cb_arg; | |
29948ac8 BK |
1786 | |
1787 | /* | |
1788 | * Signature algorithms shared by client and server: cached because these | |
1789 | * are used most often. | |
1790 | */ | |
1791 | const struct sigalg_lookup_st **shared_sigalgs; | |
1792 | size_t shared_sigalgslen; | |
b67cb09f TS |
1793 | |
1794 | #ifndef OPENSSL_NO_COMP_ALG | |
1795 | /* certificate compression preferences */ | |
1796 | int cert_comp_prefs[TLSEXT_comp_cert_limit]; | |
1797 | #endif | |
3c95ef22 TS |
1798 | |
1799 | /* Certificate Type stuff - for RPK vs X.509 */ | |
1800 | unsigned char *client_cert_type; | |
1801 | size_t client_cert_type_len; | |
1802 | unsigned char *server_cert_type; | |
1803 | size_t server_cert_type_len; | |
b6ba4014 MC |
1804 | }; |
1805 | ||
38b051a1 TM |
1806 | # define SSL_CONNECTION_FROM_SSL_ONLY_int(ssl, c) \ |
1807 | ((ssl) == NULL ? NULL \ | |
1808 | : ((ssl)->type == SSL_TYPE_SSL_CONNECTION \ | |
1809 | ? (c SSL_CONNECTION *)(ssl) \ | |
1810 | : NULL)) | |
1811 | # define SSL_CONNECTION_NO_CONST | |
1812 | # define SSL_CONNECTION_FROM_SSL_ONLY(ssl) \ | |
1813 | SSL_CONNECTION_FROM_SSL_ONLY_int(ssl, SSL_CONNECTION_NO_CONST) | |
1814 | # define SSL_CONNECTION_FROM_CONST_SSL_ONLY(ssl) \ | |
1815 | SSL_CONNECTION_FROM_SSL_ONLY_int(ssl, const) | |
1816 | # define SSL_CONNECTION_GET_CTX(sc) ((sc)->ssl.ctx) | |
a7f41885 | 1817 | # define SSL_CONNECTION_GET_SSL(sc) (&(sc)->ssl) |
38b051a1 TM |
1818 | # ifndef OPENSSL_NO_QUIC |
1819 | # include "quic/quic_local.h" | |
1820 | # define SSL_CONNECTION_FROM_SSL_int(ssl, c) \ | |
1821 | ((ssl) == NULL ? NULL \ | |
1822 | : ((ssl)->type == SSL_TYPE_SSL_CONNECTION \ | |
1823 | ? (c SSL_CONNECTION *)(ssl) \ | |
1824 | : ((ssl)->type == SSL_TYPE_QUIC_CONNECTION \ | |
1825 | ? (c SSL_CONNECTION *)((c QUIC_CONNECTION *)(ssl))->tls \ | |
1826 | : NULL))) | |
1827 | # define SSL_CONNECTION_FROM_SSL(ssl) \ | |
1828 | SSL_CONNECTION_FROM_SSL_int(ssl, SSL_CONNECTION_NO_CONST) | |
1829 | # define SSL_CONNECTION_FROM_CONST_SSL(ssl) \ | |
1830 | SSL_CONNECTION_FROM_SSL_int(ssl, const) | |
38b051a1 TM |
1831 | # else |
1832 | # define SSL_CONNECTION_FROM_SSL(ssl) \ | |
1833 | SSL_CONNECTION_FROM_SSL_ONLY_int(ssl, SSL_CONNECTION_NO_CONST) | |
1834 | # define SSL_CONNECTION_FROM_CONST_SSL(ssl) \ | |
1835 | SSL_CONNECTION_FROM_SSL_ONLY_int(ssl, const) | |
38b051a1 TM |
1836 | # endif |
1837 | ||
f742cda8 DSH |
1838 | /* |
1839 | * Structure containing table entry of values associated with the signature | |
1840 | * algorithms (signature scheme) extension | |
1841 | */ | |
1842 | typedef struct sigalg_lookup_st { | |
1843 | /* TLS 1.3 signature scheme name */ | |
1844 | const char *name; | |
1845 | /* Raw value used in extension */ | |
1846 | uint16_t sigalg; | |
3d234c9e | 1847 | /* NID of hash algorithm or NID_undef if no hash */ |
f742cda8 | 1848 | int hash; |
3d234c9e | 1849 | /* Index of hash algorithm or -1 if no hash algorithm */ |
17ae384e | 1850 | int hash_idx; |
f742cda8 DSH |
1851 | /* NID of signature algorithm */ |
1852 | int sig; | |
17ae384e DSH |
1853 | /* Index of signature algorithm */ |
1854 | int sig_idx; | |
f742cda8 DSH |
1855 | /* Combined hash and signature NID, if any */ |
1856 | int sigandhash; | |
1857 | /* Required public key curve (ECDSA only) */ | |
1858 | int curve; | |
263ff2c9 MC |
1859 | /* Whether this signature algorithm is actually available for use */ |
1860 | int enabled; | |
f742cda8 DSH |
1861 | } SIGALG_LOOKUP; |
1862 | ||
b6ba4014 MC |
1863 | /* DTLS structures */ |
1864 | ||
a230b26e EK |
1865 | # ifndef OPENSSL_NO_SCTP |
1866 | # define DTLS1_SCTP_AUTH_LABEL "EXPORTER_DTLS_OVER_SCTP" | |
1867 | # endif | |
b6ba4014 MC |
1868 | |
1869 | /* Max MTU overhead we know about so far is 40 for IPv6 + 8 for UDP */ | |
a230b26e | 1870 | # define DTLS1_MAX_MTU_OVERHEAD 48 |
b6ba4014 | 1871 | |
e3d0dae7 MC |
1872 | /* |
1873 | * Flag used in message reuse to indicate the buffer contains the record | |
436ad81f | 1874 | * header as well as the handshake message header. |
e3d0dae7 | 1875 | */ |
a230b26e | 1876 | # define DTLS1_SKIP_RECORD_HEADER 2 |
e3d0dae7 | 1877 | |
b6ba4014 | 1878 | struct dtls1_retransmit_state { |
b9e37f8f MC |
1879 | const OSSL_RECORD_METHOD *wrlmethod; |
1880 | OSSL_RECORD_LAYER *wrl; | |
b6ba4014 MC |
1881 | }; |
1882 | ||
1883 | struct hm_header_st { | |
1884 | unsigned char type; | |
7ee8627f | 1885 | size_t msg_len; |
b6ba4014 | 1886 | unsigned short seq; |
7ee8627f MC |
1887 | size_t frag_off; |
1888 | size_t frag_len; | |
b6ba4014 MC |
1889 | unsigned int is_ccs; |
1890 | struct dtls1_retransmit_state saved_retransmit_state; | |
1891 | }; | |
1892 | ||
b6ba4014 MC |
1893 | typedef struct hm_fragment_st { |
1894 | struct hm_header_st msg_header; | |
1895 | unsigned char *fragment; | |
1896 | unsigned char *reassembly; | |
1897 | } hm_fragment; | |
1898 | ||
cf2cede4 RS |
1899 | typedef struct pqueue_st pqueue; |
1900 | typedef struct pitem_st pitem; | |
1901 | ||
1902 | struct pitem_st { | |
1903 | unsigned char priority[8]; /* 64-bit value in big-endian encoding */ | |
1904 | void *data; | |
1905 | pitem *next; | |
1906 | }; | |
1907 | ||
1908 | typedef struct pitem_st *piterator; | |
1909 | ||
1910 | pitem *pitem_new(unsigned char *prio64be, void *data); | |
1911 | void pitem_free(pitem *item); | |
a230b26e | 1912 | pqueue *pqueue_new(void); |
cf2cede4 RS |
1913 | void pqueue_free(pqueue *pq); |
1914 | pitem *pqueue_insert(pqueue *pq, pitem *item); | |
1915 | pitem *pqueue_peek(pqueue *pq); | |
1916 | pitem *pqueue_pop(pqueue *pq); | |
1917 | pitem *pqueue_find(pqueue *pq, unsigned char *prio64be); | |
1918 | pitem *pqueue_iterator(pqueue *pq); | |
1919 | pitem *pqueue_next(piterator *iter); | |
8b0e934a | 1920 | size_t pqueue_size(pqueue *pq); |
cf2cede4 | 1921 | |
b6ba4014 | 1922 | typedef struct dtls1_state_st { |
b6ba4014 | 1923 | unsigned char cookie[DTLS1_COOKIE_LENGTH]; |
cb150cbc | 1924 | size_t cookie_len; |
e27f234a | 1925 | unsigned int cookie_verified; |
b6ba4014 MC |
1926 | /* handshake message numbers */ |
1927 | unsigned short handshake_write_seq; | |
1928 | unsigned short next_handshake_write_seq; | |
1929 | unsigned short handshake_read_seq; | |
b6ba4014 | 1930 | /* Buffered handshake messages */ |
cf2cede4 | 1931 | pqueue *buffered_messages; |
b6ba4014 | 1932 | /* Buffered (sent) handshake records */ |
cf2cede4 | 1933 | pqueue *sent_messages; |
7ee8627f MC |
1934 | size_t link_mtu; /* max on-the-wire DTLS packet size */ |
1935 | size_t mtu; /* max DTLS packet size */ | |
b6ba4014 MC |
1936 | struct hm_header_st w_msg_hdr; |
1937 | struct hm_header_st r_msg_hdr; | |
b5557666 | 1938 | /* Number of alerts received so far */ |
1939 | unsigned int timeout_num_alerts; | |
b6ba4014 | 1940 | /* |
e72040c1 | 1941 | * Indicates when the last handshake msg sent will timeout |
b6ba4014 | 1942 | */ |
f0131dc0 | 1943 | OSSL_TIME next_timeout; |
b6ba4014 | 1944 | /* Timeout duration */ |
fa4b82cc AH |
1945 | unsigned int timeout_duration_us; |
1946 | ||
b6ba4014 | 1947 | unsigned int retransmitting; |
a230b26e | 1948 | # ifndef OPENSSL_NO_SCTP |
b6ba4014 | 1949 | int shutdown_received; |
a230b26e | 1950 | # endif |
fa4b82cc AH |
1951 | |
1952 | DTLS_timer_cb timer_cb; | |
1953 | ||
b6ba4014 MC |
1954 | } DTLS1_STATE; |
1955 | ||
0f113f3e MC |
1956 | /* |
1957 | * From ECC-TLS draft, used in encoding the curve type in ECParameters | |
ea262260 | 1958 | */ |
0f113f3e MC |
1959 | # define EXPLICIT_PRIME_CURVE_TYPE 1 |
1960 | # define EXPLICIT_CHAR2_CURVE_TYPE 2 | |
1961 | # define NAMED_CURVE_TYPE 3 | |
0f113f3e | 1962 | |
b67cb09f TS |
1963 | # ifndef OPENSSL_NO_COMP_ALG |
1964 | struct ossl_comp_cert_st { | |
1965 | unsigned char *data; | |
1966 | size_t len; | |
1967 | size_t orig_len; | |
1968 | CRYPTO_REF_COUNT references; | |
b67cb09f TS |
1969 | int alg; |
1970 | }; | |
1971 | typedef struct ossl_comp_cert_st OSSL_COMP_CERT; | |
1972 | ||
1973 | void OSSL_COMP_CERT_free(OSSL_COMP_CERT *c); | |
1974 | int OSSL_COMP_CERT_up_ref(OSSL_COMP_CERT *c); | |
1975 | # endif | |
1976 | ||
a497cf25 | 1977 | struct cert_pkey_st { |
0f113f3e MC |
1978 | X509 *x509; |
1979 | EVP_PKEY *privatekey; | |
0f113f3e MC |
1980 | /* Chain for this certificate */ |
1981 | STACK_OF(X509) *chain; | |
50e735f9 MC |
1982 | /*- |
1983 | * serverinfo data for this certificate. The data is in TLS Extension | |
1984 | * wire format, specifically it's a series of records like: | |
1985 | * uint16_t extension_type; // (RFC 5246, 7.4.1.4, Extension) | |
1986 | * uint16_t length; | |
1987 | * uint8_t data[length]; | |
1988 | */ | |
0f113f3e MC |
1989 | unsigned char *serverinfo; |
1990 | size_t serverinfo_length; | |
b67cb09f TS |
1991 | # ifndef OPENSSL_NO_COMP_ALG |
1992 | /* Compressed certificate data - index 0 is unused */ | |
1993 | OSSL_COMP_CERT *comp_cert[TLSEXT_comp_cert_limit]; | |
1994 | int cert_comp_used; | |
1995 | # endif | |
a497cf25 | 1996 | }; |
2ea80354 | 1997 | /* Retrieve Suite B flags */ |
0f113f3e | 1998 | # define tls1_suiteb(s) (s->cert->cert_flags & SSL_CERT_FLAG_SUITEB_128_LOS) |
2ea80354 | 1999 | /* Uses to check strict mode: suite B modes are always strict */ |
0f113f3e MC |
2000 | # define SSL_CERT_FLAGS_CHECK_TLS_STRICT \ |
2001 | (SSL_CERT_FLAG_SUITEB_128_LOS|SSL_CERT_FLAG_TLS_STRICT) | |
d02b48c6 | 2002 | |
787d9ec7 MC |
2003 | typedef enum { |
2004 | ENDPOINT_CLIENT = 0, | |
2005 | ENDPOINT_SERVER, | |
2006 | ENDPOINT_BOTH | |
2007 | } ENDPOINT; | |
2008 | ||
2009 | ||
b83294fe | 2010 | typedef struct { |
0f113f3e | 2011 | unsigned short ext_type; |
787d9ec7 | 2012 | ENDPOINT role; |
43ae5eed MC |
2013 | /* The context which this extension applies to */ |
2014 | unsigned int context; | |
0f113f3e MC |
2015 | /* |
2016 | * Per-connection flags relating to this extension type: not used if | |
2017 | * part of an SSL_CTX structure. | |
2018 | */ | |
f7d53487 | 2019 | uint32_t ext_flags; |
cd17bb19 MC |
2020 | SSL_custom_ext_add_cb_ex add_cb; |
2021 | SSL_custom_ext_free_cb_ex free_cb; | |
0f113f3e | 2022 | void *add_arg; |
cd17bb19 | 2023 | SSL_custom_ext_parse_cb_ex parse_cb; |
0f113f3e | 2024 | void *parse_arg; |
ecf4d660 | 2025 | } custom_ext_method; |
b83294fe | 2026 | |
28ea0a0c DSH |
2027 | /* ext_flags values */ |
2028 | ||
0f113f3e MC |
2029 | /* |
2030 | * Indicates an extension has been received. Used to check for unsolicited or | |
2031 | * duplicate extensions. | |
28ea0a0c | 2032 | */ |
0f113f3e MC |
2033 | # define SSL_EXT_FLAG_RECEIVED 0x1 |
2034 | /* | |
2035 | * Indicates an extension has been sent: used to enable sending of | |
2036 | * corresponding ServerHello extension. | |
28ea0a0c | 2037 | */ |
0f113f3e | 2038 | # define SSL_EXT_FLAG_SENT 0x2 |
28ea0a0c | 2039 | |
b83294fe | 2040 | typedef struct { |
0f113f3e MC |
2041 | custom_ext_method *meths; |
2042 | size_t meths_count; | |
ecf4d660 | 2043 | } custom_ext_methods; |
b83294fe | 2044 | |
0f113f3e MC |
2045 | typedef struct cert_st { |
2046 | /* Current active set */ | |
2047 | /* | |
2048 | * ALWAYS points to an element of the pkeys array | |
2049 | * Probably it would make more sense to store | |
2050 | * an index, not a pointer. | |
2051 | */ | |
2052 | CERT_PKEY *key; | |
13c45372 | 2053 | |
e2b420fd | 2054 | EVP_PKEY *dh_tmp; |
0f113f3e MC |
2055 | DH *(*dh_tmp_cb) (SSL *ssl, int is_export, int keysize); |
2056 | int dh_tmp_auto; | |
0f113f3e | 2057 | /* Flags related to certificates */ |
f7d53487 | 2058 | uint32_t cert_flags; |
ee58915c MB |
2059 | CERT_PKEY *pkeys; |
2060 | size_t ssl_pkey_num; | |
75c13e78 DSH |
2061 | /* Custom certificate types sent in certificate request message. */ |
2062 | uint8_t *ctype; | |
2063 | size_t ctype_len; | |
0f113f3e | 2064 | /* |
60250017 | 2065 | * supported signature algorithms. When set on a client this is sent in |
0f113f3e MC |
2066 | * the client hello as the supported signature algorithms extension. For |
2067 | * servers it represents the signature algorithms we are willing to use. | |
2068 | */ | |
98c792d1 | 2069 | uint16_t *conf_sigalgs; |
0f113f3e MC |
2070 | /* Size of above array */ |
2071 | size_t conf_sigalgslen; | |
2072 | /* | |
2073 | * Client authentication signature algorithms, if not set then uses | |
2074 | * conf_sigalgs. On servers these will be the signature algorithms sent | |
48722ff5 F |
2075 | * to the client in a certificate request for TLS 1.2. On a client this |
2076 | * represents the signature algorithms we are willing to use for client | |
0f113f3e MC |
2077 | * authentication. |
2078 | */ | |
98c792d1 | 2079 | uint16_t *client_sigalgs; |
0f113f3e MC |
2080 | /* Size of above array */ |
2081 | size_t client_sigalgslen; | |
0f113f3e MC |
2082 | /* |
2083 | * Certificate setup callback: if set is called whenever a certificate | |
2084 | * may be required (client or server). the callback can then examine any | |
2085 | * appropriate parameters and setup any certificates required. This | |
2086 | * allows advanced applications to select certificates on the fly: for | |
2087 | * example based on supported signature algorithms or curves. | |
2088 | */ | |
2089 | int (*cert_cb) (SSL *ssl, void *arg); | |
2090 | void *cert_cb_arg; | |
2091 | /* | |
2092 | * Optional X509_STORE for chain building or certificate validation If | |
2093 | * NULL the parent SSL_CTX store is used instead. | |
2094 | */ | |
2095 | X509_STORE *chain_store; | |
2096 | X509_STORE *verify_store; | |
43ae5eed MC |
2097 | /* Custom extensions */ |
2098 | custom_ext_methods custext; | |
0f113f3e | 2099 | /* Security callback */ |
e4646a89 | 2100 | int (*sec_cb) (const SSL *s, const SSL_CTX *ctx, int op, int bits, int nid, |
0f113f3e MC |
2101 | void *other, void *ex); |
2102 | /* Security level */ | |
2103 | int sec_level; | |
2104 | void *sec_ex; | |
a230b26e | 2105 | # ifndef OPENSSL_NO_PSK |
df6da24b DSH |
2106 | /* If not NULL psk identity hint to use for servers */ |
2107 | char *psk_identity_hint; | |
a230b26e | 2108 | # endif |
2f545ae4 | 2109 | CRYPTO_REF_COUNT references; /* >1 only if SSL_copy_session_id is used */ |
0f113f3e MC |
2110 | } CERT; |
2111 | ||
0f113f3e | 2112 | # define FP_ICC (int (*)(const void *,const void *)) |
0f113f3e MC |
2113 | |
2114 | /* | |
2115 | * This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff It is a bit | |
2116 | * of a mess of functions, but hell, think of it as an opaque structure :-) | |
2117 | */ | |
2118 | typedef struct ssl3_enc_method { | |
38b051a1 TM |
2119 | int (*setup_key_block) (SSL_CONNECTION *); |
2120 | int (*generate_master_secret) (SSL_CONNECTION *, unsigned char *, | |
2121 | unsigned char *, size_t, size_t *); | |
2122 | int (*change_cipher_state) (SSL_CONNECTION *, int); | |
2123 | size_t (*final_finish_mac) (SSL_CONNECTION *, const char *, size_t, | |
2124 | unsigned char *); | |
0f113f3e | 2125 | const char *client_finished_label; |
8b0e934a | 2126 | size_t client_finished_label_len; |
0f113f3e | 2127 | const char *server_finished_label; |
8b0e934a | 2128 | size_t server_finished_label_len; |
0f113f3e | 2129 | int (*alert_value) (int); |
38b051a1 | 2130 | int (*export_keying_material) (SSL_CONNECTION *, unsigned char *, size_t, |
0f113f3e MC |
2131 | const char *, size_t, |
2132 | const unsigned char *, size_t, | |
2133 | int use_context); | |
2134 | /* Various flags indicating protocol version requirements */ | |
f7d53487 | 2135 | uint32_t enc_flags; |
0f113f3e | 2136 | /* Set the handshake header */ |
38b051a1 | 2137 | int (*set_handshake_header) (SSL_CONNECTION *s, WPACKET *pkt, int type); |
2c7b4dbc | 2138 | /* Close construction of the handshake message */ |
38b051a1 | 2139 | int (*close_construct_packet) (SSL_CONNECTION *s, WPACKET *pkt, int htype); |
0f113f3e | 2140 | /* Write out handshake message */ |
38b051a1 | 2141 | int (*do_write) (SSL_CONNECTION *s); |
0f113f3e MC |
2142 | } SSL3_ENC_METHOD; |
2143 | ||
a29fa98c | 2144 | # define ssl_set_handshake_header(s, pkt, htype) \ |
38b051a1 | 2145 | SSL_CONNECTION_GET_SSL(s)->method->ssl3_enc->set_handshake_header((s), (pkt), (htype)) |
4a01c59f | 2146 | # define ssl_close_construct_packet(s, pkt, htype) \ |
38b051a1 TM |
2147 | SSL_CONNECTION_GET_SSL(s)->method->ssl3_enc->close_construct_packet((s), (pkt), (htype)) |
2148 | # define ssl_do_write(s) SSL_CONNECTION_GET_SSL(s)->method->ssl3_enc->do_write(s) | |
173e72e6 DSH |
2149 | |
2150 | /* Values for enc_flags */ | |
2151 | ||
2152 | /* Uses explicit IV for CBC mode */ | |
0f113f3e | 2153 | # define SSL_ENC_FLAG_EXPLICIT_IV 0x1 |
173e72e6 | 2154 | /* Uses signature algorithms extension */ |
0f113f3e | 2155 | # define SSL_ENC_FLAG_SIGALGS 0x2 |
cbd64894 | 2156 | /* Uses SHA256 default PRF */ |
0f113f3e | 2157 | # define SSL_ENC_FLAG_SHA256_PRF 0x4 |
173e72e6 | 2158 | /* Is DTLS */ |
0f113f3e MC |
2159 | # define SSL_ENC_FLAG_DTLS 0x8 |
2160 | /* | |
2161 | * Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2: may | |
2162 | * apply to others in future. | |
4221c0dd | 2163 | */ |
0f113f3e | 2164 | # define SSL_ENC_FLAG_TLS1_2_CIPHERS 0x10 |
173e72e6 | 2165 | |
f7f2a01d MC |
2166 | typedef enum downgrade_en { |
2167 | DOWNGRADE_NONE, | |
2168 | DOWNGRADE_TO_1_2, | |
2169 | DOWNGRADE_TO_1_1 | |
2170 | } DOWNGRADE; | |
2171 | ||
cbb09544 MC |
2172 | /* |
2173 | * Dummy status type for the status_type extension. Indicates no status type | |
2174 | * set | |
2175 | */ | |
2176 | #define TLSEXT_STATUSTYPE_nothing -1 | |
2177 | ||
703bcee0 MC |
2178 | /* Sigalgs values */ |
2179 | #define TLSEXT_SIGALG_ecdsa_secp256r1_sha256 0x0403 | |
2180 | #define TLSEXT_SIGALG_ecdsa_secp384r1_sha384 0x0503 | |
2181 | #define TLSEXT_SIGALG_ecdsa_secp521r1_sha512 0x0603 | |
d8311fc9 | 2182 | #define TLSEXT_SIGALG_ecdsa_sha224 0x0303 |
703bcee0 | 2183 | #define TLSEXT_SIGALG_ecdsa_sha1 0x0203 |
f55e99f7 BK |
2184 | #define TLSEXT_SIGALG_rsa_pss_rsae_sha256 0x0804 |
2185 | #define TLSEXT_SIGALG_rsa_pss_rsae_sha384 0x0805 | |
2186 | #define TLSEXT_SIGALG_rsa_pss_rsae_sha512 0x0806 | |
2187 | #define TLSEXT_SIGALG_rsa_pss_pss_sha256 0x0809 | |
2188 | #define TLSEXT_SIGALG_rsa_pss_pss_sha384 0x080a | |
2189 | #define TLSEXT_SIGALG_rsa_pss_pss_sha512 0x080b | |
703bcee0 MC |
2190 | #define TLSEXT_SIGALG_rsa_pkcs1_sha256 0x0401 |
2191 | #define TLSEXT_SIGALG_rsa_pkcs1_sha384 0x0501 | |
2192 | #define TLSEXT_SIGALG_rsa_pkcs1_sha512 0x0601 | |
d8311fc9 | 2193 | #define TLSEXT_SIGALG_rsa_pkcs1_sha224 0x0301 |
703bcee0 MC |
2194 | #define TLSEXT_SIGALG_rsa_pkcs1_sha1 0x0201 |
2195 | #define TLSEXT_SIGALG_dsa_sha256 0x0402 | |
2196 | #define TLSEXT_SIGALG_dsa_sha384 0x0502 | |
2197 | #define TLSEXT_SIGALG_dsa_sha512 0x0602 | |
d8311fc9 | 2198 | #define TLSEXT_SIGALG_dsa_sha224 0x0302 |
703bcee0 | 2199 | #define TLSEXT_SIGALG_dsa_sha1 0x0202 |
6f892296 NM |
2200 | #define TLSEXT_SIGALG_gostr34102012_256_intrinsic 0x0840 |
2201 | #define TLSEXT_SIGALG_gostr34102012_512_intrinsic 0x0841 | |
703bcee0 MC |
2202 | #define TLSEXT_SIGALG_gostr34102012_256_gostr34112012_256 0xeeee |
2203 | #define TLSEXT_SIGALG_gostr34102012_512_gostr34112012_512 0xefef | |
2204 | #define TLSEXT_SIGALG_gostr34102001_gostr3411 0xeded | |
2205 | ||
3d234c9e | 2206 | #define TLSEXT_SIGALG_ed25519 0x0807 |
0e1d6ecf | 2207 | #define TLSEXT_SIGALG_ed448 0x0808 |
0a10825a BE |
2208 | #define TLSEXT_SIGALG_ecdsa_brainpoolP256r1_sha256 0x081a |
2209 | #define TLSEXT_SIGALG_ecdsa_brainpoolP384r1_sha384 0x081b | |
2210 | #define TLSEXT_SIGALG_ecdsa_brainpoolP512r1_sha512 0x081c | |
3d234c9e | 2211 | |
b2f7e8c0 MC |
2212 | /* Known PSK key exchange modes */ |
2213 | #define TLSEXT_KEX_MODE_KE 0x00 | |
2214 | #define TLSEXT_KEX_MODE_KE_DHE 0x01 | |
2215 | ||
2216 | /* | |
2217 | * Internal representations of key exchange modes | |
2218 | */ | |
2219 | #define TLSEXT_KEX_MODE_FLAG_NONE 0 | |
2220 | #define TLSEXT_KEX_MODE_FLAG_KE 1 | |
2221 | #define TLSEXT_KEX_MODE_FLAG_KE_DHE 2 | |
2222 | ||
555cbb32 TS |
2223 | #define SSL_USE_PSS(s) (s->s3.tmp.peer_sigalg != NULL && \ |
2224 | s->s3.tmp.peer_sigalg->sig == EVP_PKEY_RSA_PSS) | |
fe3066ee | 2225 | |
703bcee0 MC |
2226 | /* A dummy signature value not valid for TLSv1.2 signature algs */ |
2227 | #define TLSEXT_signature_rsa_pss 0x0101 | |
2228 | ||
643a3580 MC |
2229 | /* TLSv1.3 downgrade protection sentinel values */ |
2230 | extern const unsigned char tls11downgrade[8]; | |
2231 | extern const unsigned char tls12downgrade[8]; | |
703bcee0 | 2232 | |
3ed449e9 | 2233 | extern SSL3_ENC_METHOD ssl3_undef_enc_method; |
7d7d2cbc | 2234 | |
2b8fa1d5 KR |
2235 | __owur const SSL_METHOD *ssl_bad_method(int ver); |
2236 | __owur const SSL_METHOD *sslv3_method(void); | |
2237 | __owur const SSL_METHOD *sslv3_server_method(void); | |
2238 | __owur const SSL_METHOD *sslv3_client_method(void); | |
2239 | __owur const SSL_METHOD *tlsv1_method(void); | |
2240 | __owur const SSL_METHOD *tlsv1_server_method(void); | |
2241 | __owur const SSL_METHOD *tlsv1_client_method(void); | |
2242 | __owur const SSL_METHOD *tlsv1_1_method(void); | |
2243 | __owur const SSL_METHOD *tlsv1_1_server_method(void); | |
2244 | __owur const SSL_METHOD *tlsv1_1_client_method(void); | |
2245 | __owur const SSL_METHOD *tlsv1_2_method(void); | |
2246 | __owur const SSL_METHOD *tlsv1_2_server_method(void); | |
2247 | __owur const SSL_METHOD *tlsv1_2_client_method(void); | |
582a17d6 MC |
2248 | __owur const SSL_METHOD *tlsv1_3_method(void); |
2249 | __owur const SSL_METHOD *tlsv1_3_server_method(void); | |
2250 | __owur const SSL_METHOD *tlsv1_3_client_method(void); | |
2b8fa1d5 KR |
2251 | __owur const SSL_METHOD *dtlsv1_method(void); |
2252 | __owur const SSL_METHOD *dtlsv1_server_method(void); | |
2253 | __owur const SSL_METHOD *dtlsv1_client_method(void); | |
032924c4 | 2254 | __owur const SSL_METHOD *dtls_bad_ver_client_method(void); |
2b8fa1d5 KR |
2255 | __owur const SSL_METHOD *dtlsv1_2_method(void); |
2256 | __owur const SSL_METHOD *dtlsv1_2_server_method(void); | |
2257 | __owur const SSL_METHOD *dtlsv1_2_client_method(void); | |
d02b48c6 | 2258 | |
161e0a61 BL |
2259 | extern const SSL3_ENC_METHOD TLSv1_enc_data; |
2260 | extern const SSL3_ENC_METHOD TLSv1_1_enc_data; | |
2261 | extern const SSL3_ENC_METHOD TLSv1_2_enc_data; | |
582a17d6 | 2262 | extern const SSL3_ENC_METHOD TLSv1_3_enc_data; |
8892ce77 BL |
2263 | extern const SSL3_ENC_METHOD SSLv3_enc_data; |
2264 | extern const SSL3_ENC_METHOD DTLSv1_enc_data; | |
2265 | extern const SSL3_ENC_METHOD DTLSv1_2_enc_data; | |
f3b656b2 | 2266 | |
4fa52141 VD |
2267 | /* |
2268 | * Flags for SSL methods | |
2269 | */ | |
a230b26e EK |
2270 | # define SSL_METHOD_NO_FIPS (1U<<0) |
2271 | # define SSL_METHOD_NO_SUITEB (1U<<1) | |
4fa52141 VD |
2272 | |
2273 | # define IMPLEMENT_tls_meth_func(version, flags, mask, func_name, s_accept, \ | |
ccae4a15 | 2274 | s_connect, enc_data) \ |
4ebb342f | 2275 | const SSL_METHOD *func_name(void) \ |
0f113f3e MC |
2276 | { \ |
2277 | static const SSL_METHOD func_name##_data= { \ | |
2278 | version, \ | |
4fa52141 VD |
2279 | flags, \ |
2280 | mask, \ | |
38b051a1 TM |
2281 | ossl_ssl_connection_new, \ |
2282 | ossl_ssl_connection_free, \ | |
2283 | ossl_ssl_connection_reset, \ | |
0f113f3e MC |
2284 | tls1_new, \ |
2285 | tls1_clear, \ | |
2286 | tls1_free, \ | |
2287 | s_accept, \ | |
2288 | s_connect, \ | |
2289 | ssl3_read, \ | |
2290 | ssl3_peek, \ | |
2291 | ssl3_write, \ | |
2292 | ssl3_shutdown, \ | |
2293 | ssl3_renegotiate, \ | |
2294 | ssl3_renegotiate_check, \ | |
0f113f3e MC |
2295 | ssl3_read_bytes, \ |
2296 | ssl3_write_bytes, \ | |
2297 | ssl3_dispatch_alert, \ | |
2298 | ssl3_ctrl, \ | |
2299 | ssl3_ctx_ctrl, \ | |
2300 | ssl3_get_cipher_by_char, \ | |
2301 | ssl3_put_cipher_by_char, \ | |
2302 | ssl3_pending, \ | |
2303 | ssl3_num_ciphers, \ | |
2304 | ssl3_get_cipher, \ | |
0f113f3e MC |
2305 | tls1_default_timeout, \ |
2306 | &enc_data, \ | |
2307 | ssl_undefined_void_function, \ | |
2308 | ssl3_callback_ctrl, \ | |
2309 | ssl3_ctx_callback_ctrl, \ | |
2310 | }; \ | |
2311 | return &func_name##_data; \ | |
2312 | } | |
2313 | ||
ccae4a15 | 2314 | # define IMPLEMENT_ssl3_meth_func(func_name, s_accept, s_connect) \ |
4ebb342f | 2315 | const SSL_METHOD *func_name(void) \ |
0f113f3e MC |
2316 | { \ |
2317 | static const SSL_METHOD func_name##_data= { \ | |
2318 | SSL3_VERSION, \ | |
4fa52141 VD |
2319 | SSL_METHOD_NO_FIPS | SSL_METHOD_NO_SUITEB, \ |
2320 | SSL_OP_NO_SSLv3, \ | |
38b051a1 TM |
2321 | ossl_ssl_connection_new, \ |
2322 | ossl_ssl_connection_free, \ | |
2323 | ossl_ssl_connection_reset, \ | |
0f113f3e MC |
2324 | ssl3_new, \ |
2325 | ssl3_clear, \ | |
2326 | ssl3_free, \ | |
2327 | s_accept, \ | |
2328 | s_connect, \ | |
2329 | ssl3_read, \ | |
2330 | ssl3_peek, \ | |
2331 | ssl3_write, \ | |
2332 | ssl3_shutdown, \ | |
2333 | ssl3_renegotiate, \ | |
2334 | ssl3_renegotiate_check, \ | |
0f113f3e MC |
2335 | ssl3_read_bytes, \ |
2336 | ssl3_write_bytes, \ | |
2337 | ssl3_dispatch_alert, \ | |
2338 | ssl3_ctrl, \ | |
2339 | ssl3_ctx_ctrl, \ | |
2340 | ssl3_get_cipher_by_char, \ | |
2341 | ssl3_put_cipher_by_char, \ | |
2342 | ssl3_pending, \ | |
2343 | ssl3_num_ciphers, \ | |
2344 | ssl3_get_cipher, \ | |
0f113f3e MC |
2345 | ssl3_default_timeout, \ |
2346 | &SSLv3_enc_data, \ | |
2347 | ssl_undefined_void_function, \ | |
2348 | ssl3_callback_ctrl, \ | |
2349 | ssl3_ctx_callback_ctrl, \ | |
2350 | }; \ | |
2351 | return &func_name##_data; \ | |
2352 | } | |
2353 | ||
4fa52141 | 2354 | # define IMPLEMENT_dtls1_meth_func(version, flags, mask, func_name, s_accept, \ |
ccae4a15 | 2355 | s_connect, enc_data) \ |
4ebb342f | 2356 | const SSL_METHOD *func_name(void) \ |
0f113f3e MC |
2357 | { \ |
2358 | static const SSL_METHOD func_name##_data= { \ | |
2359 | version, \ | |
4fa52141 VD |
2360 | flags, \ |
2361 | mask, \ | |
38b051a1 TM |
2362 | ossl_ssl_connection_new, \ |
2363 | ossl_ssl_connection_free, \ | |
2364 | ossl_ssl_connection_reset, \ | |
0f113f3e MC |
2365 | dtls1_new, \ |
2366 | dtls1_clear, \ | |
2367 | dtls1_free, \ | |
2368 | s_accept, \ | |
2369 | s_connect, \ | |
2370 | ssl3_read, \ | |
2371 | ssl3_peek, \ | |
2372 | ssl3_write, \ | |
2373 | dtls1_shutdown, \ | |
2374 | ssl3_renegotiate, \ | |
2375 | ssl3_renegotiate_check, \ | |
0f113f3e MC |
2376 | dtls1_read_bytes, \ |
2377 | dtls1_write_app_data_bytes, \ | |
2378 | dtls1_dispatch_alert, \ | |
2379 | dtls1_ctrl, \ | |
2380 | ssl3_ctx_ctrl, \ | |
2381 | ssl3_get_cipher_by_char, \ | |
2382 | ssl3_put_cipher_by_char, \ | |
2383 | ssl3_pending, \ | |
2384 | ssl3_num_ciphers, \ | |
ca3895f0 | 2385 | ssl3_get_cipher, \ |
0f113f3e MC |
2386 | dtls1_default_timeout, \ |
2387 | &enc_data, \ | |
2388 | ssl_undefined_void_function, \ | |
2389 | ssl3_callback_ctrl, \ | |
2390 | ssl3_ctx_callback_ctrl, \ | |
2391 | }; \ | |
2392 | return &func_name##_data; \ | |
2393 | } | |
2394 | ||
2395 | struct openssl_ssl_test_functions { | |
38b051a1 | 2396 | int (*p_ssl_init_wbio_buffer) (SSL_CONNECTION *s); |
0f113f3e MC |
2397 | }; |
2398 | ||
3eb2aff4 | 2399 | const char *ssl_protocol_to_string(int version); |
7d650072 | 2400 | |
3c95ef22 TS |
2401 | static ossl_inline int tls12_rpk_and_privkey(const SSL_CONNECTION *sc, int idx) |
2402 | { | |
2403 | /* | |
2404 | * This is to check for special cases when using RPK with just | |
2405 | * a private key, and NO CERTIFICATE | |
2406 | */ | |
2407 | return ((sc->server && sc->ext.server_cert_type == TLSEXT_cert_type_rpk) | |
2408 | || (!sc->server && sc->ext.client_cert_type == TLSEXT_cert_type_rpk)) | |
2409 | && sc->cert->pkeys[idx].privatekey != NULL | |
2410 | && sc->cert->pkeys[idx].x509 == NULL; | |
2411 | } | |
2412 | ||
2413 | static ossl_inline int ssl_has_cert_type(const SSL_CONNECTION *sc, unsigned char ct) | |
2414 | { | |
2415 | unsigned char *ptr; | |
2416 | size_t len; | |
2417 | ||
2418 | if (sc->server) { | |
2419 | ptr = sc->server_cert_type; | |
2420 | len = sc->server_cert_type_len; | |
2421 | } else { | |
2422 | ptr = sc->client_cert_type; | |
2423 | len = sc->client_cert_type_len; | |
2424 | } | |
2425 | ||
2426 | if (ptr == NULL) | |
2427 | return 0; | |
2428 | ||
2429 | return memchr(ptr, ct, len) != NULL; | |
2430 | } | |
2431 | ||
4020c0b3 | 2432 | /* Returns true if certificate and private key for 'idx' are present */ |
38b051a1 | 2433 | static ossl_inline int ssl_has_cert(const SSL_CONNECTION *s, int idx) |
4020c0b3 | 2434 | { |
ee58915c | 2435 | if (idx < 0 || idx >= (int)s->ssl_pkey_num) |
4020c0b3 | 2436 | return 0; |
3c95ef22 TS |
2437 | |
2438 | /* If RPK is enabled for this SSL... only require private key */ | |
2439 | if (ssl_has_cert_type(s, TLSEXT_cert_type_rpk)) | |
2440 | return s->cert->pkeys[idx].privatekey != NULL; | |
2441 | ||
4020c0b3 DSH |
2442 | return s->cert->pkeys[idx].x509 != NULL |
2443 | && s->cert->pkeys[idx].privatekey != NULL; | |
2444 | } | |
2445 | ||
38b051a1 TM |
2446 | static ossl_inline void tls1_get_peer_groups(SSL_CONNECTION *s, |
2447 | const uint16_t **pgroups, | |
ff6d20a6 DSH |
2448 | size_t *pgroupslen) |
2449 | { | |
45436e61 MC |
2450 | *pgroups = s->ext.peer_supportedgroups; |
2451 | *pgroupslen = s->ext.peer_supportedgroups_len; | |
ff6d20a6 DSH |
2452 | } |
2453 | ||
0f113f3e | 2454 | # ifndef OPENSSL_UNIT_TEST |
e0fc7961 | 2455 | |
a7f41885 MC |
2456 | __owur int ossl_ssl_init(SSL *ssl, SSL_CTX *ctx, const SSL_METHOD *method, |
2457 | int type); | |
2458 | __owur SSL *ossl_ssl_connection_new_int(SSL_CTX *ctx, const SSL_METHOD *method); | |
38b051a1 TM |
2459 | __owur SSL *ossl_ssl_connection_new(SSL_CTX *ctx); |
2460 | void ossl_ssl_connection_free(SSL *ssl); | |
2461 | __owur int ossl_ssl_connection_reset(SSL *ssl); | |
2462 | ||
4ee7d3f9 KR |
2463 | __owur int ssl_read_internal(SSL *s, void *buf, size_t num, size_t *readbytes); |
2464 | __owur int ssl_write_internal(SSL *s, const void *buf, size_t num, size_t *written); | |
38b051a1 | 2465 | int ssl_clear_bad_session(SSL_CONNECTION *s); |
ee58915c | 2466 | __owur CERT *ssl_cert_new(size_t ssl_pkey_num); |
4bcdb4a6 | 2467 | __owur CERT *ssl_cert_dup(CERT *cert); |
a5ee80b9 | 2468 | void ssl_cert_clear_certs(CERT *c); |
d02b48c6 | 2469 | void ssl_cert_free(CERT *c); |
38b051a1 TM |
2470 | __owur int ssl_generate_session_id(SSL_CONNECTION *s, SSL_SESSION *ss); |
2471 | __owur int ssl_get_new_session(SSL_CONNECTION *s, int session); | |
2472 | __owur SSL_SESSION *lookup_sess_in_cache(SSL_CONNECTION *s, | |
2473 | const unsigned char *sess_id, | |
6cc0b3c2 | 2474 | size_t sess_id_len); |
38b051a1 | 2475 | __owur int ssl_get_prev_session(SSL_CONNECTION *s, CLIENTHELLO_MSG *hello); |
9fdcc21f | 2476 | __owur SSL_SESSION *ssl_session_dup(const SSL_SESSION *src, int ticket); |
4bcdb4a6 | 2477 | __owur int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b); |
0f113f3e | 2478 | DECLARE_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, ssl_cipher_id); |
4bcdb4a6 | 2479 | __owur int ssl_cipher_ptr_id_cmp(const SSL_CIPHER *const *ap, |
a230b26e | 2480 | const SSL_CIPHER *const *bp); |
a68eee67 | 2481 | __owur STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(SSL_CTX *ctx, |
f865b081 MC |
2482 | STACK_OF(SSL_CIPHER) *tls13_ciphersuites, |
2483 | STACK_OF(SSL_CIPHER) **cipher_list, | |
2484 | STACK_OF(SSL_CIPHER) **cipher_list_by_id, | |
a230b26e EK |
2485 | const char *rule_str, |
2486 | CERT *c); | |
38b051a1 TM |
2487 | __owur int ssl_cache_cipherlist(SSL_CONNECTION *s, PACKET *cipher_suites, |
2488 | int sslv2format); | |
2489 | __owur int ossl_bytes_to_cipher_list(SSL_CONNECTION *s, PACKET *cipher_suites, | |
2490 | STACK_OF(SSL_CIPHER) **skp, | |
2491 | STACK_OF(SSL_CIPHER) **scsvs, int sslv2format, | |
2492 | int fatal); | |
2493 | void ssl_update_cache(SSL_CONNECTION *s, int mode); | |
9727f4e7 MC |
2494 | __owur int ssl_cipher_get_evp_cipher(SSL_CTX *ctx, const SSL_CIPHER *sslc, |
2495 | const EVP_CIPHER **enc); | |
c8f6c28a MC |
2496 | __owur int ssl_cipher_get_evp(SSL_CTX *ctxc, const SSL_SESSION *s, |
2497 | const EVP_CIPHER **enc, const EVP_MD **md, | |
2498 | int *mac_pkey_type, size_t *mac_secret_size, | |
2499 | SSL_COMP **comp, int use_etm); | |
045bd047 DW |
2500 | __owur int ssl_cipher_get_overhead(const SSL_CIPHER *c, size_t *mac_overhead, |
2501 | size_t *int_overhead, size_t *blocksize, | |
2502 | size_t *ext_overhead); | |
a68eee67 | 2503 | __owur int ssl_cert_is_disabled(SSL_CTX *ctx, size_t idx); |
38b051a1 | 2504 | __owur const SSL_CIPHER *ssl_get_cipher_by_char(SSL_CONNECTION *ssl, |
60d685d1 BK |
2505 | const unsigned char *ptr, |
2506 | int all); | |
38b051a1 TM |
2507 | __owur int ssl_cert_set0_chain(SSL_CONNECTION *s, SSL_CTX *ctx, |
2508 | STACK_OF(X509) *chain); | |
2509 | __owur int ssl_cert_set1_chain(SSL_CONNECTION *s, SSL_CTX *ctx, | |
2510 | STACK_OF(X509) *chain); | |
2511 | __owur int ssl_cert_add0_chain_cert(SSL_CONNECTION *s, SSL_CTX *ctx, X509 *x); | |
2512 | __owur int ssl_cert_add1_chain_cert(SSL_CONNECTION *s, SSL_CTX *ctx, X509 *x); | |
4bcdb4a6 MC |
2513 | __owur int ssl_cert_select_current(CERT *c, X509 *x); |
2514 | __owur int ssl_cert_set_current(CERT *c, long arg); | |
a230b26e | 2515 | void ssl_cert_set_cert_cb(CERT *c, int (*cb) (SSL *ssl, void *arg), void *arg); |
f71c6e52 | 2516 | |
38b051a1 | 2517 | __owur int ssl_verify_cert_chain(SSL_CONNECTION *s, STACK_OF(X509) *sk); |
3c95ef22 | 2518 | __owur int ssl_verify_rpk(SSL_CONNECTION *s, EVP_PKEY *rpk); |
38b051a1 | 2519 | __owur int ssl_build_cert_chain(SSL_CONNECTION *s, SSL_CTX *ctx, int flags); |
a230b26e EK |
2520 | __owur int ssl_cert_set_cert_store(CERT *c, X509_STORE *store, int chain, |
2521 | int ref); | |
948cf521 | 2522 | __owur int ssl_cert_get_cert_store(CERT *c, X509_STORE **pstore, int chain); |
b362ccab | 2523 | |
38b051a1 TM |
2524 | __owur int ssl_security(const SSL_CONNECTION *s, int op, int bits, int nid, |
2525 | void *other); | |
a230b26e EK |
2526 | __owur int ssl_ctx_security(const SSL_CTX *ctx, int op, int bits, int nid, |
2527 | void *other); | |
d7b5c648 | 2528 | int ssl_get_security_level_bits(const SSL *s, const SSL_CTX *ctx, int *levelp); |
b362ccab | 2529 | |
ee58915c MB |
2530 | __owur int ssl_cert_lookup_by_nid(int nid, size_t *pidx, SSL_CTX *ctx); |
2531 | __owur SSL_CERT_LOOKUP *ssl_cert_lookup_by_pkey(const EVP_PKEY *pk, | |
2532 | size_t *pidx, | |
2533 | SSL_CTX *ctx); | |
2534 | __owur SSL_CERT_LOOKUP *ssl_cert_lookup_by_idx(size_t idx, SSL_CTX *ctx); | |
c04cd728 | 2535 | |
d02b48c6 | 2536 | int ssl_undefined_function(SSL *s); |
4bcdb4a6 MC |
2537 | __owur int ssl_undefined_void_function(void); |
2538 | __owur int ssl_undefined_const_function(const SSL *s); | |
38b051a1 | 2539 | __owur int ssl_get_server_cert_serverinfo(SSL_CONNECTION *s, |
a230b26e EK |
2540 | const unsigned char **serverinfo, |
2541 | size_t *serverinfo_length); | |
38b051a1 TM |
2542 | void ssl_set_masks(SSL_CONNECTION *s); |
2543 | __owur STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL_CONNECTION *sc); | |
c6d38183 | 2544 | __owur int ssl_x509err2alert(int type); |
748f2546 | 2545 | void ssl_sort_cipher_list(void); |
c8f6c28a | 2546 | int ssl_load_ciphers(SSL_CTX *ctx); |
ee58915c | 2547 | __owur int ssl_setup_sigalgs(SSL_CTX *ctx); |
9d2d857f | 2548 | int ssl_load_groups(SSL_CTX *ctx); |
ee58915c | 2549 | int ssl_load_sigalgs(SSL_CTX *ctx); |
38b051a1 TM |
2550 | __owur int ssl_fill_hello_random(SSL_CONNECTION *s, int server, |
2551 | unsigned char *field, size_t len, | |
2552 | DOWNGRADE dgrd); | |
2553 | __owur int ssl_generate_master_secret(SSL_CONNECTION *s, unsigned char *pms, | |
2554 | size_t pmslen, int free_pms); | |
2555 | __owur EVP_PKEY *ssl_generate_pkey(SSL_CONNECTION *s, EVP_PKEY *pm); | |
2556 | __owur int ssl_gensecret(SSL_CONNECTION *s, unsigned char *pms, size_t pmslen); | |
2557 | __owur int ssl_derive(SSL_CONNECTION *s, EVP_PKEY *privkey, EVP_PKEY *pubkey, | |
0f1e51ea | 2558 | int genmaster); |
38b051a1 | 2559 | __owur int ssl_decapsulate(SSL_CONNECTION *s, EVP_PKEY *privkey, |
a011b586 NT |
2560 | const unsigned char *ct, size_t ctlen, |
2561 | int gensecret); | |
38b051a1 | 2562 | __owur int ssl_encapsulate(SSL_CONNECTION *s, EVP_PKEY *pubkey, |
8b17fbaf NT |
2563 | unsigned char **ctp, size_t *ctlenp, |
2564 | int gensecret); | |
6c4e6670 | 2565 | __owur EVP_PKEY *ssl_dh_to_pkey(DH *dh); |
0c8e98e6 TM |
2566 | __owur int ssl_set_tmp_ecdh_groups(uint16_t **pext, size_t *pextlen, |
2567 | void *key); | |
38b051a1 TM |
2568 | __owur unsigned int ssl_get_max_send_fragment(const SSL_CONNECTION *sc); |
2569 | __owur unsigned int ssl_get_split_send_fragment(const SSL_CONNECTION *sc); | |
d02b48c6 | 2570 | |
ec15acb6 | 2571 | __owur const SSL_CIPHER *ssl3_get_cipher_by_id(uint32_t id); |
bbb4ceb8 | 2572 | __owur const SSL_CIPHER *ssl3_get_cipher_by_std_name(const char *stdname); |
4bcdb4a6 | 2573 | __owur const SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p); |
ae2f7b37 | 2574 | __owur int ssl3_put_cipher_by_char(const SSL_CIPHER *c, WPACKET *pkt, |
2c7b4dbc | 2575 | size_t *len); |
38b051a1 TM |
2576 | int ssl3_init_finished_mac(SSL_CONNECTION *s); |
2577 | __owur int ssl3_setup_key_block(SSL_CONNECTION *s); | |
2578 | __owur int ssl3_change_cipher_state(SSL_CONNECTION *s, int which); | |
2579 | void ssl3_cleanup_key_block(SSL_CONNECTION *s); | |
eb1eaa9a | 2580 | __owur int ssl3_do_write(SSL_CONNECTION *s, uint8_t type); |
38b051a1 TM |
2581 | int ssl3_send_alert(SSL_CONNECTION *s, int level, int desc); |
2582 | __owur int ssl3_generate_master_secret(SSL_CONNECTION *s, unsigned char *out, | |
8c1a5343 MC |
2583 | unsigned char *p, size_t len, |
2584 | size_t *secret_size); | |
38b051a1 | 2585 | __owur int ssl3_get_req_cert_type(SSL_CONNECTION *s, WPACKET *pkt); |
4bcdb4a6 MC |
2586 | __owur int ssl3_num_ciphers(void); |
2587 | __owur const SSL_CIPHER *ssl3_get_cipher(unsigned int u); | |
0f113f3e | 2588 | int ssl3_renegotiate(SSL *ssl); |
c7f47786 | 2589 | int ssl3_renegotiate_check(SSL *ssl, int initok); |
d5e5e2ff SL |
2590 | void ssl3_digest_master_key_set_params(const SSL_SESSION *session, |
2591 | OSSL_PARAM params[]); | |
4bcdb4a6 | 2592 | __owur int ssl3_dispatch_alert(SSL *s); |
38b051a1 TM |
2593 | __owur size_t ssl3_final_finish_mac(SSL_CONNECTION *s, const char *sender, |
2594 | size_t slen, unsigned char *p); | |
2595 | __owur int ssl3_finish_mac(SSL_CONNECTION *s, const unsigned char *buf, | |
2596 | size_t len); | |
2597 | void ssl3_free_digest_list(SSL_CONNECTION *s); | |
2598 | __owur unsigned long ssl3_output_cert_chain(SSL_CONNECTION *s, WPACKET *pkt, | |
72620ac7 | 2599 | CERT_PKEY *cpk, int for_comp); |
38b051a1 | 2600 | __owur const SSL_CIPHER *ssl3_choose_cipher(SSL_CONNECTION *s, |
4a640fb6 DSH |
2601 | STACK_OF(SSL_CIPHER) *clnt, |
2602 | STACK_OF(SSL_CIPHER) *srvr); | |
38b051a1 | 2603 | __owur int ssl3_digest_cached_records(SSL_CONNECTION *s, int keep); |
4bcdb4a6 | 2604 | __owur int ssl3_new(SSL *s); |
0f113f3e | 2605 | void ssl3_free(SSL *s); |
54105ddd MC |
2606 | __owur int ssl3_read(SSL *s, void *buf, size_t len, size_t *readbytes); |
2607 | __owur int ssl3_peek(SSL *s, void *buf, size_t len, size_t *readbytes); | |
7ee8627f | 2608 | __owur int ssl3_write(SSL *s, const void *buf, size_t len, size_t *written); |
4bcdb4a6 | 2609 | __owur int ssl3_shutdown(SSL *s); |
b77f3ed1 | 2610 | int ssl3_clear(SSL *s); |
4bcdb4a6 MC |
2611 | __owur long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg); |
2612 | __owur long ssl3_ctx_ctrl(SSL_CTX *s, int cmd, long larg, void *parg); | |
2613 | __owur long ssl3_callback_ctrl(SSL *s, int cmd, void (*fp) (void)); | |
2614 | __owur long ssl3_ctx_callback_ctrl(SSL_CTX *s, int cmd, void (*fp) (void)); | |
d02b48c6 | 2615 | |
38b051a1 | 2616 | __owur int ssl3_do_change_cipher_spec(SSL_CONNECTION *s); |
f0131dc0 | 2617 | __owur OSSL_TIME ssl3_default_timeout(void); |
f3b656b2 | 2618 | |
38b051a1 TM |
2619 | __owur int ssl3_set_handshake_header(SSL_CONNECTION *s, WPACKET *pkt, |
2620 | int htype); | |
2621 | __owur int tls_close_construct_packet(SSL_CONNECTION *s, WPACKET *pkt, int htype); | |
2622 | __owur int tls_setup_handshake(SSL_CONNECTION *s); | |
2623 | __owur int dtls1_set_handshake_header(SSL_CONNECTION *s, WPACKET *pkt, int htype); | |
2624 | __owur int dtls1_close_construct_packet(SSL_CONNECTION *s, WPACKET *pkt, int htype); | |
2625 | __owur int ssl3_handshake_write(SSL_CONNECTION *s); | |
4bcdb4a6 | 2626 | |
38b051a1 | 2627 | __owur int ssl_allow_compression(SSL_CONNECTION *s); |
4bcdb4a6 | 2628 | |
38b051a1 | 2629 | __owur int ssl_version_supported(const SSL_CONNECTION *s, int version, |
4fd12788 | 2630 | const SSL_METHOD **meth); |
ccae4a15 | 2631 | |
38b051a1 TM |
2632 | __owur int ssl_set_client_hello_version(SSL_CONNECTION *s); |
2633 | __owur int ssl_check_version_downgrade(SSL_CONNECTION *s); | |
4fa52141 | 2634 | __owur int ssl_set_version_bound(int method_version, int version, int *bound); |
38b051a1 | 2635 | __owur int ssl_choose_server_version(SSL_CONNECTION *s, CLIENTHELLO_MSG *hello, |
f7f2a01d | 2636 | DOWNGRADE *dgrd); |
38b051a1 | 2637 | __owur int ssl_choose_client_version(SSL_CONNECTION *s, int version, |
88050dd1 | 2638 | RAW_EXTENSION *extensions); |
38b051a1 | 2639 | __owur int ssl_get_min_max_version(const SSL_CONNECTION *s, int *min_version, |
b5b993b2 | 2640 | int *max_version, int *real_max); |
4fa52141 | 2641 | |
f0131dc0 | 2642 | __owur OSSL_TIME tls1_default_timeout(void); |
eb1eaa9a | 2643 | __owur int dtls1_do_write(SSL_CONNECTION *s, uint8_t type); |
38b051a1 | 2644 | void dtls1_set_message_header(SSL_CONNECTION *s, |
a773b52a | 2645 | unsigned char mt, |
d736bc1a MC |
2646 | size_t len, |
2647 | size_t frag_off, size_t frag_len); | |
4bcdb4a6 | 2648 | |
eb1eaa9a TM |
2649 | int dtls1_write_app_data_bytes(SSL *s, uint8_t type, const void *buf_, |
2650 | size_t len, size_t *written); | |
4bcdb4a6 | 2651 | |
38b051a1 TM |
2652 | __owur int dtls1_read_failed(SSL_CONNECTION *s, int code); |
2653 | __owur int dtls1_buffer_message(SSL_CONNECTION *s, int ccs); | |
2654 | __owur int dtls1_retransmit_message(SSL_CONNECTION *s, unsigned short seq, | |
2655 | int *found); | |
4bcdb4a6 | 2656 | __owur int dtls1_get_queue_priority(unsigned short seq, int is_ccs); |
38b051a1 TM |
2657 | int dtls1_retransmit_buffered_messages(SSL_CONNECTION *s); |
2658 | void dtls1_clear_received_buffer(SSL_CONNECTION *s); | |
2659 | void dtls1_clear_sent_buffer(SSL_CONNECTION *s); | |
2eb91b0e | 2660 | void dtls1_get_message_header(const unsigned char *data, |
0f113f3e | 2661 | struct hm_header_st *msg_hdr); |
f0131dc0 | 2662 | __owur OSSL_TIME dtls1_default_timeout(void); |
24a32254 | 2663 | __owur int dtls1_get_timeout(const SSL_CONNECTION *s, OSSL_TIME *timeleft); |
38b051a1 TM |
2664 | __owur int dtls1_check_timeout_num(SSL_CONNECTION *s); |
2665 | __owur int dtls1_handle_timeout(SSL_CONNECTION *s); | |
2666 | void dtls1_start_timer(SSL_CONNECTION *s); | |
2667 | void dtls1_stop_timer(SSL_CONNECTION *s); | |
2668 | __owur int dtls1_is_timer_expired(SSL_CONNECTION *s); | |
c536b6be | 2669 | __owur int dtls_raw_hello_verify_request(WPACKET *pkt, unsigned char *cookie, |
cb150cbc | 2670 | size_t cookie_len); |
38b051a1 | 2671 | __owur size_t dtls1_min_mtu(SSL_CONNECTION *s); |
8a35dbb6 | 2672 | void dtls1_hm_fragment_free(hm_fragment *frag); |
38b051a1 | 2673 | __owur int dtls1_query_mtu(SSL_CONNECTION *s); |
480506bd | 2674 | |
4bcdb4a6 | 2675 | __owur int tls1_new(SSL *s); |
58964a49 | 2676 | void tls1_free(SSL *s); |
b77f3ed1 | 2677 | int tls1_clear(SSL *s); |
58964a49 | 2678 | |
4bcdb4a6 | 2679 | __owur int dtls1_new(SSL *s); |
36d16f8e | 2680 | void dtls1_free(SSL *s); |
b77f3ed1 | 2681 | int dtls1_clear(SSL *s); |
0f113f3e | 2682 | long dtls1_ctrl(SSL *s, int cmd, long larg, void *parg); |
4bcdb4a6 | 2683 | __owur int dtls1_shutdown(SSL *s); |
36d16f8e | 2684 | |
4bcdb4a6 | 2685 | __owur int dtls1_dispatch_alert(SSL *s); |
36d16f8e | 2686 | |
38b051a1 TM |
2687 | __owur int ssl_init_wbio_buffer(SSL_CONNECTION *s); |
2688 | int ssl_free_wbio_buffer(SSL_CONNECTION *s); | |
58964a49 | 2689 | |
38b051a1 TM |
2690 | __owur int tls1_change_cipher_state(SSL_CONNECTION *s, int which); |
2691 | __owur int tls1_setup_key_block(SSL_CONNECTION *s); | |
2692 | __owur size_t tls1_final_finish_mac(SSL_CONNECTION *s, const char *str, | |
2693 | size_t slen, unsigned char *p); | |
2694 | __owur int tls1_generate_master_secret(SSL_CONNECTION *s, unsigned char *out, | |
8c1a5343 MC |
2695 | unsigned char *p, size_t len, |
2696 | size_t *secret_size); | |
38b051a1 TM |
2697 | __owur int tls13_setup_key_block(SSL_CONNECTION *s); |
2698 | __owur size_t tls13_final_finish_mac(SSL_CONNECTION *s, const char *str, size_t slen, | |
92760c21 | 2699 | unsigned char *p); |
38b051a1 TM |
2700 | __owur int tls13_change_cipher_state(SSL_CONNECTION *s, int which); |
2701 | __owur int tls13_update_key(SSL_CONNECTION *s, int send); | |
ec279ac2 HL |
2702 | __owur int tls13_hkdf_expand(SSL_CONNECTION *s, |
2703 | const EVP_MD *md, | |
ec15acb6 | 2704 | const unsigned char *secret, |
ace081c1 | 2705 | const unsigned char *label, size_t labellen, |
a19ae67d | 2706 | const unsigned char *data, size_t datalen, |
0fb2815b | 2707 | unsigned char *out, size_t outlen, int fatal); |
ec279ac2 HL |
2708 | __owur int tls13_hkdf_expand_ex(OSSL_LIB_CTX *libctx, const char *propq, |
2709 | const EVP_MD *md, | |
2710 | const unsigned char *secret, | |
2711 | const unsigned char *label, size_t labellen, | |
2712 | const unsigned char *data, size_t datalen, | |
2713 | unsigned char *out, size_t outlen, | |
2714 | int raise_error); | |
38b051a1 | 2715 | __owur int tls13_derive_key(SSL_CONNECTION *s, const EVP_MD *md, |
d49e23ec MC |
2716 | const unsigned char *secret, unsigned char *key, |
2717 | size_t keylen); | |
38b051a1 | 2718 | __owur int tls13_derive_iv(SSL_CONNECTION *s, const EVP_MD *md, |
d49e23ec MC |
2719 | const unsigned char *secret, unsigned char *iv, |
2720 | size_t ivlen); | |
38b051a1 | 2721 | __owur int tls13_derive_finishedkey(SSL_CONNECTION *s, const EVP_MD *md, |
ec15acb6 MC |
2722 | const unsigned char *secret, |
2723 | unsigned char *fin, size_t finlen); | |
38b051a1 | 2724 | int tls13_generate_secret(SSL_CONNECTION *s, const EVP_MD *md, |
ec15acb6 MC |
2725 | const unsigned char *prevsecret, |
2726 | const unsigned char *insecret, | |
2727 | size_t insecretlen, | |
2728 | unsigned char *outsecret); | |
38b051a1 | 2729 | __owur int tls13_generate_handshake_secret(SSL_CONNECTION *s, |
34574f19 MC |
2730 | const unsigned char *insecret, |
2731 | size_t insecretlen); | |
38b051a1 | 2732 | __owur int tls13_generate_master_secret(SSL_CONNECTION *s, unsigned char *out, |
34574f19 MC |
2733 | unsigned char *prev, size_t prevlen, |
2734 | size_t *secret_size); | |
38b051a1 TM |
2735 | __owur int tls1_export_keying_material(SSL_CONNECTION *s, |
2736 | unsigned char *out, size_t olen, | |
a230b26e EK |
2737 | const char *label, size_t llen, |
2738 | const unsigned char *p, size_t plen, | |
2739 | int use_context); | |
38b051a1 TM |
2740 | __owur int tls13_export_keying_material(SSL_CONNECTION *s, |
2741 | unsigned char *out, size_t olen, | |
0ca8d1ec MC |
2742 | const char *label, size_t llen, |
2743 | const unsigned char *context, | |
2744 | size_t contextlen, int use_context); | |
38b051a1 TM |
2745 | __owur int tls13_export_keying_material_early(SSL_CONNECTION *s, |
2746 | unsigned char *out, size_t olen, | |
2747 | const char *label, size_t llen, | |
b38ede80 TT |
2748 | const unsigned char *context, |
2749 | size_t contextlen); | |
4bcdb4a6 | 2750 | __owur int tls1_alert_code(int code); |
04904312 | 2751 | __owur int tls13_alert_code(int code); |
4bcdb4a6 | 2752 | __owur int ssl3_alert_code(int code); |
58964a49 | 2753 | |
38b051a1 | 2754 | __owur int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL_CONNECTION *s); |
41fdcfa7 | 2755 | |
f73e07cf | 2756 | SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n); |
413c4f45 | 2757 | |
9d2d857f | 2758 | __owur const TLS_GROUP_INFO *tls1_group_id_lookup(SSL_CTX *ctx, uint16_t curve_id); |
68668243 | 2759 | __owur const char *tls1_group_id2name(SSL_CTX *ctx, uint16_t group_id); |
260009d8 | 2760 | __owur int tls1_group_id2nid(uint16_t group_id, int include_unknown); |
becbacd7 | 2761 | __owur uint16_t tls1_nid2group_id(int nid); |
38b051a1 TM |
2762 | __owur int tls1_check_group_id(SSL_CONNECTION *s, uint16_t group_id, |
2763 | int check_own_curves); | |
2764 | __owur uint16_t tls1_shared_group(SSL_CONNECTION *s, int nmatch); | |
9e84a42d | 2765 | __owur int tls1_set_groups(uint16_t **pext, size_t *pextlen, |
a230b26e | 2766 | int *curves, size_t ncurves); |
260009d8 | 2767 | __owur int tls1_set_groups_list(SSL_CTX *ctx, uint16_t **pext, size_t *pextlen, |
a230b26e | 2768 | const char *str); |
38b051a1 TM |
2769 | __owur EVP_PKEY *ssl_generate_pkey_group(SSL_CONNECTION *s, uint16_t id); |
2770 | __owur int tls_valid_group(SSL_CONNECTION *s, uint16_t group_id, int minversion, | |
8b1db5d3 | 2771 | int maxversion, int isec, int *okfortls13); |
38b051a1 TM |
2772 | __owur EVP_PKEY *ssl_generate_param_group(SSL_CONNECTION *s, uint16_t id); |
2773 | void tls1_get_formatlist(SSL_CONNECTION *s, const unsigned char **pformats, | |
dbc6268f | 2774 | size_t *num_formats); |
38b051a1 | 2775 | __owur int tls1_check_ec_tmp_key(SSL_CONNECTION *s, unsigned long id); |
33273721 | 2776 | |
38b051a1 TM |
2777 | __owur int tls_group_allowed(SSL_CONNECTION *s, uint16_t curve, int op); |
2778 | void tls1_get_supported_groups(SSL_CONNECTION *s, const uint16_t **pgroups, | |
ff6d20a6 | 2779 | size_t *pgroupslen); |
6b473aca | 2780 | |
38b051a1 | 2781 | __owur int tls1_set_server_sigalgs(SSL_CONNECTION *s); |
ddf6ec00 | 2782 | |
38b051a1 TM |
2783 | __owur SSL_TICKET_STATUS tls_get_ticket_from_client(SSL_CONNECTION *s, |
2784 | CLIENTHELLO_MSG *hello, | |
df0fed9a | 2785 | SSL_SESSION **ret); |
38b051a1 TM |
2786 | __owur SSL_TICKET_STATUS tls_decrypt_ticket(SSL_CONNECTION *s, |
2787 | const unsigned char *etick, | |
df0fed9a TS |
2788 | size_t eticklen, |
2789 | const unsigned char *sess_id, | |
2790 | size_t sesslen, SSL_SESSION **psess); | |
1053a6e2 | 2791 | |
38b051a1 | 2792 | __owur int tls_use_ticket(SSL_CONNECTION *s); |
a2f9200f | 2793 | |
38b051a1 | 2794 | void ssl_set_sig_mask(uint32_t *pmask_a, SSL_CONNECTION *s, int op); |
a2f9200f | 2795 | |
4bcdb4a6 | 2796 | __owur int tls1_set_sigalgs_list(CERT *c, const char *str, int client); |
fd5e1a8c BK |
2797 | __owur int tls1_set_raw_sigalgs(CERT *c, const uint16_t *psigs, size_t salglen, |
2798 | int client); | |
a230b26e EK |
2799 | __owur int tls1_set_sigalgs(CERT *c, const int *salg, size_t salglen, |
2800 | int client); | |
38b051a1 TM |
2801 | int tls1_check_chain(SSL_CONNECTION *s, X509 *x, EVP_PKEY *pk, |
2802 | STACK_OF(X509) *chain, int idx); | |
2803 | void tls1_set_cert_validity(SSL_CONNECTION *s); | |
0f229cce | 2804 | |
a230b26e | 2805 | # ifndef OPENSSL_NO_CT |
38b051a1 | 2806 | __owur int ssl_validate_ct(SSL_CONNECTION *s); |
a230b26e | 2807 | # endif |
ed29e82a | 2808 | |
38b051a1 | 2809 | __owur EVP_PKEY *ssl_get_auto_dh(SSL_CONNECTION *s); |
b362ccab | 2810 | |
38b051a1 TM |
2811 | __owur int ssl_security_cert(SSL_CONNECTION *s, SSL_CTX *ctx, X509 *x, int vfy, |
2812 | int is_ee); | |
2813 | __owur int ssl_security_cert_chain(SSL_CONNECTION *s, STACK_OF(X509) *sk, | |
2814 | X509 *ex, int vfy); | |
b362ccab | 2815 | |
38b051a1 | 2816 | int tls_choose_sigalg(SSL_CONNECTION *s, int fatalerrs); |
93a77f9e | 2817 | |
38b051a1 TM |
2818 | __owur long ssl_get_algorithm2(SSL_CONNECTION *s); |
2819 | __owur int tls12_copy_sigalgs(SSL_CONNECTION *s, WPACKET *pkt, | |
98c792d1 | 2820 | const uint16_t *psig, size_t psiglen); |
9e84a42d | 2821 | __owur int tls1_save_u16(PACKET *pkt, uint16_t **pdest, size_t *pdestlen); |
38b051a1 TM |
2822 | __owur int tls1_save_sigalgs(SSL_CONNECTION *s, PACKET *pkt, int cert); |
2823 | __owur int tls1_process_sigalgs(SSL_CONNECTION *s); | |
2824 | __owur int tls1_set_peer_legacy_sigalg(SSL_CONNECTION *s, const EVP_PKEY *pkey); | |
c8f6c28a MC |
2825 | __owur int tls1_lookup_md(SSL_CTX *ctx, const SIGALG_LOOKUP *lu, |
2826 | const EVP_MD **pmd); | |
38b051a1 TM |
2827 | __owur size_t tls12_get_psigalgs(SSL_CONNECTION *s, int sent, |
2828 | const uint16_t **psigs); | |
2829 | __owur int tls_check_sigalg_curve(const SSL_CONNECTION *s, int curve); | |
2830 | __owur int tls12_check_peer_sigalg(SSL_CONNECTION *s, uint16_t, EVP_PKEY *pkey); | |
2831 | __owur int ssl_set_client_disabled(SSL_CONNECTION *s); | |
2832 | __owur int ssl_cipher_disabled(const SSL_CONNECTION *s, const SSL_CIPHER *c, | |
2833 | int op, int echde); | |
2834 | ||
2835 | __owur int ssl_handshake_hash(SSL_CONNECTION *s, | |
2836 | unsigned char *out, size_t outlen, | |
2837 | size_t *hashlen); | |
c8f6c28a | 2838 | __owur const EVP_MD *ssl_md(SSL_CTX *ctx, int idx); |
ee58915c | 2839 | int ssl_get_md_idx(int md_nid); |
38b051a1 TM |
2840 | __owur const EVP_MD *ssl_handshake_md(SSL_CONNECTION *s); |
2841 | __owur const EVP_MD *ssl_prf_md(SSL_CONNECTION *s); | |
48fbcbac | 2842 | |
2faa1b48 CB |
2843 | /* |
2844 | * ssl_log_rsa_client_key_exchange logs |premaster| to the SSL_CTX associated | |
2845 | * with |ssl|, if logging is enabled. It returns one on success and zero on | |
2846 | * failure. The entry is identified by the first 8 bytes of | |
2847 | * |encrypted_premaster|. | |
2848 | */ | |
38b051a1 | 2849 | __owur int ssl_log_rsa_client_key_exchange(SSL_CONNECTION *s, |
2faa1b48 CB |
2850 | const uint8_t *encrypted_premaster, |
2851 | size_t encrypted_premaster_len, | |
2852 | const uint8_t *premaster, | |
2853 | size_t premaster_len); | |
2854 | ||
2c7bd692 CB |
2855 | /* |
2856 | * ssl_log_secret logs |secret| to the SSL_CTX associated with |ssl|, if | |
2857 | * logging is available. It returns one on success and zero on failure. It tags | |
2858 | * the entry with |label|. | |
2faa1b48 | 2859 | */ |
38b051a1 | 2860 | __owur int ssl_log_secret(SSL_CONNECTION *s, const char *label, |
2c7bd692 CB |
2861 | const uint8_t *secret, size_t secret_len); |
2862 | ||
2863 | #define MASTER_SECRET_LABEL "CLIENT_RANDOM" | |
d49e23ec | 2864 | #define CLIENT_EARLY_LABEL "CLIENT_EARLY_TRAFFIC_SECRET" |
2c7bd692 CB |
2865 | #define CLIENT_HANDSHAKE_LABEL "CLIENT_HANDSHAKE_TRAFFIC_SECRET" |
2866 | #define SERVER_HANDSHAKE_LABEL "SERVER_HANDSHAKE_TRAFFIC_SECRET" | |
2867 | #define CLIENT_APPLICATION_LABEL "CLIENT_TRAFFIC_SECRET_0" | |
2f7e61b8 | 2868 | #define CLIENT_APPLICATION_N_LABEL "CLIENT_TRAFFIC_SECRET_N" |
2c7bd692 | 2869 | #define SERVER_APPLICATION_LABEL "SERVER_TRAFFIC_SECRET_0" |
2f7e61b8 | 2870 | #define SERVER_APPLICATION_N_LABEL "SERVER_TRAFFIC_SECRET_N" |
01a2a654 | 2871 | #define EARLY_EXPORTER_SECRET_LABEL "EARLY_EXPORTER_SECRET" |
6329ce8f | 2872 | #define EXPORTER_SECRET_LABEL "EXPORTER_SECRET" |
2faa1b48 | 2873 | |
38b051a1 TM |
2874 | __owur int srp_generate_server_master_secret(SSL_CONNECTION *s); |
2875 | __owur int srp_generate_client_master_secret(SSL_CONNECTION *s); | |
2876 | __owur int srp_verify_server_param(SSL_CONNECTION *s); | |
0989790b | 2877 | |
9d75dce3 TS |
2878 | /* statem/statem_srvr.c */ |
2879 | ||
38b051a1 | 2880 | __owur int send_certificate_request(SSL_CONNECTION *s); |
9d75dce3 | 2881 | |
43ae5eed MC |
2882 | /* statem/extensions_cust.c */ |
2883 | ||
787d9ec7 MC |
2884 | custom_ext_method *custom_ext_find(const custom_ext_methods *exts, |
2885 | ENDPOINT role, unsigned int ext_type, | |
2886 | size_t *idx); | |
ecf4d660 | 2887 | |
28ea0a0c DSH |
2888 | void custom_ext_init(custom_ext_methods *meths); |
2889 | ||
f6da3bbf MC |
2890 | int ossl_tls_add_custom_ext_intern(SSL_CTX *ctx, custom_ext_methods *exts, |
2891 | ENDPOINT role, unsigned int ext_type, | |
2892 | unsigned int context, | |
2893 | SSL_custom_ext_add_cb_ex add_cb, | |
2894 | SSL_custom_ext_free_cb_ex free_cb, | |
2895 | void *add_arg, | |
2896 | SSL_custom_ext_parse_cb_ex parse_cb, | |
2897 | void *parse_arg); | |
38b051a1 TM |
2898 | __owur int custom_ext_parse(SSL_CONNECTION *s, unsigned int context, |
2899 | unsigned int ext_type, | |
a230b26e | 2900 | const unsigned char *ext_data, size_t ext_size, |
f63a17d6 | 2901 | X509 *x, size_t chainidx); |
38b051a1 | 2902 | __owur int custom_ext_add(SSL_CONNECTION *s, int context, WPACKET *pkt, X509 *x, |
f63a17d6 | 2903 | size_t chainidx, int maxversion); |
a230b26e EK |
2904 | |
2905 | __owur int custom_exts_copy(custom_ext_methods *dst, | |
2906 | const custom_ext_methods *src); | |
21181889 MC |
2907 | __owur int custom_exts_copy_flags(custom_ext_methods *dst, |
2908 | const custom_ext_methods *src); | |
ecf4d660 DSH |
2909 | void custom_exts_free(custom_ext_methods *exts); |
2910 | ||
b3599dbb | 2911 | void ssl_comp_free_compression_methods_int(void); |
03b0e735 | 2912 | |
8a5ed9dc TM |
2913 | /* ssl_mcnf.c */ |
2914 | void ssl_ctx_system_config(SSL_CTX *ctx); | |
2915 | ||
b4250010 | 2916 | const EVP_CIPHER *ssl_evp_cipher_fetch(OSSL_LIB_CTX *libctx, |
c8f6c28a MC |
2917 | int nid, |
2918 | const char *properties); | |
2919 | int ssl_evp_cipher_up_ref(const EVP_CIPHER *cipher); | |
2920 | void ssl_evp_cipher_free(const EVP_CIPHER *cipher); | |
b4250010 | 2921 | const EVP_MD *ssl_evp_md_fetch(OSSL_LIB_CTX *libctx, |
c8f6c28a MC |
2922 | int nid, |
2923 | const char *properties); | |
2924 | int ssl_evp_md_up_ref(const EVP_MD *md); | |
2925 | void ssl_evp_md_free(const EVP_MD *md); | |
2926 | ||
38b051a1 | 2927 | int tls_provider_set_tls_params(SSL_CONNECTION *s, EVP_CIPHER_CTX *ctx, |
b5588178 MC |
2928 | const EVP_CIPHER *ciph, |
2929 | const EVP_MD *md); | |
c8f6c28a | 2930 | |
301fcb28 MC |
2931 | void tls_engine_finish(ENGINE *e); |
2932 | const EVP_CIPHER *tls_get_cipher_from_engine(int nid); | |
2933 | const EVP_MD *tls_get_digest_from_engine(int nid); | |
38b051a1 TM |
2934 | int tls_engine_load_ssl_client_cert(SSL_CONNECTION *s, X509 **px509, |
2935 | EVP_PKEY **ppkey); | |
301fcb28 MC |
2936 | int ssl_hmac_old_new(SSL_HMAC *ret); |
2937 | void ssl_hmac_old_free(SSL_HMAC *ctx); | |
2938 | int ssl_hmac_old_init(SSL_HMAC *ctx, void *key, size_t len, char *md); | |
2939 | int ssl_hmac_old_update(SSL_HMAC *ctx, const unsigned char *data, size_t len); | |
2940 | int ssl_hmac_old_final(SSL_HMAC *ctx, unsigned char *md, size_t *len); | |
2941 | size_t ssl_hmac_old_size(const SSL_HMAC *ctx); | |
2942 | ||
76cb077f MC |
2943 | int ssl_ctx_srp_ctx_free_intern(SSL_CTX *ctx); |
2944 | int ssl_ctx_srp_ctx_init_intern(SSL_CTX *ctx); | |
38b051a1 TM |
2945 | int ssl_srp_ctx_free_intern(SSL_CONNECTION *s); |
2946 | int ssl_srp_ctx_init_intern(SSL_CONNECTION *s); | |
76cb077f | 2947 | |
38b051a1 TM |
2948 | int ssl_srp_calc_a_param_intern(SSL_CONNECTION *s); |
2949 | int ssl_srp_server_param_with_username_intern(SSL_CONNECTION *s, int *ad); | |
76cb077f | 2950 | |
38b051a1 | 2951 | void ssl_session_calculate_timeout(SSL_SESSION *ss); |
25959e04 | 2952 | |
4ee7d3f9 | 2953 | # else /* OPENSSL_UNIT_TEST */ |
e0fc7961 | 2954 | |
0f113f3e | 2955 | # define ssl_init_wbio_buffer SSL_test_functions()->p_ssl_init_wbio_buffer |
c4e6fb15 | 2956 | |
0f113f3e | 2957 | # endif |
acce0557 P |
2958 | |
2959 | /* Some helper routines to support TSAN operations safely */ | |
2960 | static ossl_unused ossl_inline int ssl_tsan_lock(const SSL_CTX *ctx) | |
2961 | { | |
2962 | #ifdef TSAN_REQUIRES_LOCKING | |
2963 | if (!CRYPTO_THREAD_write_lock(ctx->tsan_lock)) | |
2964 | return 0; | |
2965 | #endif | |
2966 | return 1; | |
2967 | } | |
2968 | ||
2969 | static ossl_unused ossl_inline void ssl_tsan_unlock(const SSL_CTX *ctx) | |
2970 | { | |
2971 | #ifdef TSAN_REQUIRES_LOCKING | |
2972 | CRYPTO_THREAD_unlock(ctx->tsan_lock); | |
2973 | #endif | |
2974 | } | |
2975 | ||
2976 | static ossl_unused ossl_inline void ssl_tsan_counter(const SSL_CTX *ctx, | |
2977 | TSAN_QUALIFIER int *stat) | |
2978 | { | |
2979 | if (ssl_tsan_lock(ctx)) { | |
2980 | tsan_counter(stat); | |
2981 | ssl_tsan_unlock(ctx); | |
2982 | } | |
2983 | } | |
2984 | ||
b67cb09f TS |
2985 | int ossl_comp_has_alg(int a); |
2986 | size_t ossl_calculate_comp_expansion(int alg, size_t length); | |
2987 | ||
bea8d704 MC |
2988 | void ossl_ssl_set_custom_record_layer(SSL_CONNECTION *s, |
2989 | const OSSL_RECORD_METHOD *meth, | |
2990 | void *rlarg); | |
2991 | ||
c5b882a8 HL |
2992 | long ossl_ctrl_internal(SSL *s, int cmd, long larg, void *parg, int no_quic); |
2993 | ||
f0d9757c HL |
2994 | /* |
2995 | * Options which no longer have any effect, but which can be implemented | |
2996 | * as no-ops for QUIC. | |
2997 | */ | |
2998 | #define OSSL_LEGACY_SSL_OPTIONS \ | |
2999 | (SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG | \ | |
3000 | SSL_OP_MICROSOFT_BIG_SSLV3_BUFFER | \ | |
3001 | SSL_OP_SSLEAY_080_CLIENT_DH_BUG | \ | |
3002 | SSL_OP_TLS_D5_BUG | \ | |
3003 | SSL_OP_TLS_BLOCK_PADDING_BUG | \ | |
3004 | SSL_OP_MSIE_SSLV2_RSA_PADDING | \ | |
3005 | SSL_OP_SSLREF2_REUSE_CERT_TYPE_BUG | \ | |
3006 | SSL_OP_MICROSOFT_SESS_ID_BUG | \ | |
3007 | SSL_OP_NETSCAPE_CHALLENGE_BUG | \ | |
3008 | SSL_OP_PKCS1_CHECK_1 | \ | |
3009 | SSL_OP_PKCS1_CHECK_2 | \ | |
3010 | SSL_OP_SINGLE_DH_USE | \ | |
3011 | SSL_OP_SINGLE_ECDH_USE | \ | |
3012 | SSL_OP_EPHEMERAL_RSA ) | |
3013 | ||
f7b2942c TM |
3014 | /* This option is undefined in public headers with no-dtls1-method. */ |
3015 | #ifndef SSL_OP_CISCO_ANYCONNECT | |
3016 | # define SSL_OP_CISCO_ANYCONNECT 0 | |
3017 | #endif | |
f0d9757c HL |
3018 | /* |
3019 | * Options which are no-ops under QUIC or TLSv1.3 and which are therefore | |
3020 | * allowed but ignored under QUIC. | |
3021 | */ | |
3022 | #define OSSL_TLS1_2_OPTIONS \ | |
3023 | (SSL_OP_CRYPTOPRO_TLSEXT_BUG | \ | |
3024 | SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS | \ | |
3025 | SSL_OP_ALLOW_CLIENT_RENEGOTIATION | \ | |
3026 | SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION | \ | |
3027 | SSL_OP_NO_COMPRESSION | \ | |
3028 | SSL_OP_NO_SSLv3 | \ | |
3029 | SSL_OP_NO_TLSv1 | \ | |
3030 | SSL_OP_NO_TLSv1_1 | \ | |
3031 | SSL_OP_NO_TLSv1_2 | \ | |
3032 | SSL_OP_NO_DTLSv1 | \ | |
3033 | SSL_OP_NO_DTLSv1_2 | \ | |
3034 | SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION | \ | |
3035 | SSL_OP_CISCO_ANYCONNECT | \ | |
3036 | SSL_OP_NO_RENEGOTIATION | \ | |
3037 | SSL_OP_NO_EXTENDED_MASTER_SECRET | \ | |
3038 | SSL_OP_NO_ENCRYPT_THEN_MAC | \ | |
3039 | SSL_OP_COOKIE_EXCHANGE | \ | |
3040 | SSL_OP_LEGACY_SERVER_CONNECT | \ | |
3041 | SSL_OP_IGNORE_UNEXPECTED_EOF ) | |
3042 | ||
db2f98c4 HL |
3043 | /* Total mask of connection-level options permitted or ignored under QUIC. */ |
3044 | #define OSSL_QUIC_PERMITTED_OPTIONS_CONN \ | |
f0d9757c HL |
3045 | (OSSL_LEGACY_SSL_OPTIONS | \ |
3046 | OSSL_TLS1_2_OPTIONS | \ | |
3047 | SSL_OP_CIPHER_SERVER_PREFERENCE | \ | |
3048 | SSL_OP_DISABLE_TLSEXT_CA_NAMES | \ | |
3049 | SSL_OP_NO_TX_CERTIFICATE_COMPRESSION | \ | |
3050 | SSL_OP_NO_RX_CERTIFICATE_COMPRESSION | \ | |
3051 | SSL_OP_PRIORITIZE_CHACHA | \ | |
f0d9757c HL |
3052 | SSL_OP_NO_QUERY_MTU | \ |
3053 | SSL_OP_NO_TICKET | \ | |
3054 | SSL_OP_NO_ANTI_REPLAY ) | |
3055 | ||
db2f98c4 HL |
3056 | /* Total mask of stream-level options permitted or ignored under QUIC. */ |
3057 | #define OSSL_QUIC_PERMITTED_OPTIONS_STREAM \ | |
3058 | (OSSL_LEGACY_SSL_OPTIONS | \ | |
3059 | OSSL_TLS1_2_OPTIONS | \ | |
3060 | SSL_OP_CLEANSE_PLAINTEXT ) | |
3061 | ||
3062 | /* Total mask of options permitted on either connections or streams. */ | |
3063 | #define OSSL_QUIC_PERMITTED_OPTIONS \ | |
3064 | (OSSL_QUIC_PERMITTED_OPTIONS_CONN | \ | |
3065 | OSSL_QUIC_PERMITTED_OPTIONS_STREAM) | |
3066 | ||
e0fc7961 | 3067 | #endif |