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846e33c7 RS |
1 | /* |
2 | * Copyright 1995-2016 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 | * |
846e33c7 RS |
6 | * Licensed under the OpenSSL license (the "License"). You may not use |
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 | |
d02b48c6 | 12 | #ifndef HEADER_SSL_LOCL_H |
0f113f3e MC |
13 | # define HEADER_SSL_LOCL_H |
14 | # include <stdlib.h> | |
15 | # include <time.h> | |
16 | # include <string.h> | |
17 | # include <errno.h> | |
d02b48c6 | 18 | |
0f113f3e | 19 | # include "e_os.h" |
c21c7830 | 20 | # if defined(__unix) || defined(__unix__) |
a230b26e | 21 | # include <sys/time.h> /* struct timeval for DTLS */ |
c21c7830 | 22 | # endif |
d02b48c6 | 23 | |
0f113f3e | 24 | # include <openssl/buffer.h> |
3c27208f | 25 | # include <openssl/comp.h> |
0f113f3e MC |
26 | # include <openssl/bio.h> |
27 | # include <openssl/stack.h> | |
3c27208f RS |
28 | # include <openssl/rsa.h> |
29 | # include <openssl/dsa.h> | |
0f113f3e MC |
30 | # include <openssl/err.h> |
31 | # include <openssl/ssl.h> | |
07bbc92c | 32 | # include <openssl/async.h> |
0f113f3e | 33 | # include <openssl/symhacks.h> |
3c27208f | 34 | # include <openssl/ct.h> |
a230b26e EK |
35 | # include "record/record.h" |
36 | # include "statem/statem.h" | |
37 | # include "packet_locl.h" | |
38 | # include "internal/dane.h" | |
2f545ae4 | 39 | # include "internal/refcount.h" |
52e1d7b1 | 40 | |
0f113f3e MC |
41 | # ifdef OPENSSL_BUILD_SHLIBSSL |
42 | # undef OPENSSL_EXTERN | |
43 | # define OPENSSL_EXTERN OPENSSL_EXPORT | |
44 | # endif | |
26da3e65 | 45 | |
0f113f3e MC |
46 | # define c2l(c,l) (l = ((unsigned long)(*((c)++))) , \ |
47 | l|=(((unsigned long)(*((c)++)))<< 8), \ | |
48 | l|=(((unsigned long)(*((c)++)))<<16), \ | |
49 | l|=(((unsigned long)(*((c)++)))<<24)) | |
d02b48c6 RE |
50 | |
51 | /* NOTE - c is not incremented as per c2l */ | |
0f113f3e MC |
52 | # define c2ln(c,l1,l2,n) { \ |
53 | c+=n; \ | |
54 | l1=l2=0; \ | |
55 | switch (n) { \ | |
56 | case 8: l2 =((unsigned long)(*(--(c))))<<24; \ | |
57 | case 7: l2|=((unsigned long)(*(--(c))))<<16; \ | |
58 | case 6: l2|=((unsigned long)(*(--(c))))<< 8; \ | |
59 | case 5: l2|=((unsigned long)(*(--(c)))); \ | |
60 | case 4: l1 =((unsigned long)(*(--(c))))<<24; \ | |
61 | case 3: l1|=((unsigned long)(*(--(c))))<<16; \ | |
62 | case 2: l1|=((unsigned long)(*(--(c))))<< 8; \ | |
63 | case 1: l1|=((unsigned long)(*(--(c)))); \ | |
64 | } \ | |
65 | } | |
66 | ||
67 | # define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \ | |
68 | *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ | |
69 | *((c)++)=(unsigned char)(((l)>>16)&0xff), \ | |
70 | *((c)++)=(unsigned char)(((l)>>24)&0xff)) | |
71 | ||
72 | # define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24, \ | |
73 | l|=((unsigned long)(*((c)++)))<<16, \ | |
74 | l|=((unsigned long)(*((c)++)))<< 8, \ | |
75 | l|=((unsigned long)(*((c)++)))) | |
76 | ||
31c34a3e DW |
77 | # define n2l8(c,l) (l =((uint64_t)(*((c)++)))<<56, \ |
78 | l|=((uint64_t)(*((c)++)))<<48, \ | |
79 | l|=((uint64_t)(*((c)++)))<<40, \ | |
80 | l|=((uint64_t)(*((c)++)))<<32, \ | |
81 | l|=((uint64_t)(*((c)++)))<<24, \ | |
82 | l|=((uint64_t)(*((c)++)))<<16, \ | |
83 | l|=((uint64_t)(*((c)++)))<< 8, \ | |
84 | l|=((uint64_t)(*((c)++)))) | |
85 | ||
86 | ||
0f113f3e MC |
87 | # define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24)&0xff), \ |
88 | *((c)++)=(unsigned char)(((l)>>16)&0xff), \ | |
89 | *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ | |
90 | *((c)++)=(unsigned char)(((l) )&0xff)) | |
91 | ||
92 | # define l2n6(l,c) (*((c)++)=(unsigned char)(((l)>>40)&0xff), \ | |
93 | *((c)++)=(unsigned char)(((l)>>32)&0xff), \ | |
94 | *((c)++)=(unsigned char)(((l)>>24)&0xff), \ | |
95 | *((c)++)=(unsigned char)(((l)>>16)&0xff), \ | |
96 | *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ | |
97 | *((c)++)=(unsigned char)(((l) )&0xff)) | |
98 | ||
99 | # define l2n8(l,c) (*((c)++)=(unsigned char)(((l)>>56)&0xff), \ | |
100 | *((c)++)=(unsigned char)(((l)>>48)&0xff), \ | |
101 | *((c)++)=(unsigned char)(((l)>>40)&0xff), \ | |
102 | *((c)++)=(unsigned char)(((l)>>32)&0xff), \ | |
103 | *((c)++)=(unsigned char)(((l)>>24)&0xff), \ | |
104 | *((c)++)=(unsigned char)(((l)>>16)&0xff), \ | |
105 | *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ | |
106 | *((c)++)=(unsigned char)(((l) )&0xff)) | |
107 | ||
d02b48c6 | 108 | /* NOTE - c is not incremented as per l2c */ |
0f113f3e MC |
109 | # define l2cn(l1,l2,c,n) { \ |
110 | c+=n; \ | |
111 | switch (n) { \ | |
112 | case 8: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \ | |
113 | case 7: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \ | |
114 | case 6: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \ | |
115 | case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \ | |
116 | case 4: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \ | |
117 | case 3: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \ | |
118 | case 2: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \ | |
119 | case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \ | |
120 | } \ | |
121 | } | |
122 | ||
d4450e4b MC |
123 | # define n2s(c,s) ((s=(((unsigned int)((c)[0]))<< 8)| \ |
124 | (((unsigned int)((c)[1])) )),(c)+=2) | |
125 | # define s2n(s,c) (((c)[0]=(unsigned char)(((s)>> 8)&0xff), \ | |
126 | (c)[1]=(unsigned char)(((s) )&0xff)),(c)+=2) | |
127 | ||
128 | # define n2l3(c,l) ((l =(((unsigned long)((c)[0]))<<16)| \ | |
129 | (((unsigned long)((c)[1]))<< 8)| \ | |
130 | (((unsigned long)((c)[2])) )),(c)+=3) | |
131 | ||
132 | # define l2n3(l,c) (((c)[0]=(unsigned char)(((l)>>16)&0xff), \ | |
133 | (c)[1]=(unsigned char)(((l)>> 8)&0xff), \ | |
134 | (c)[2]=(unsigned char)(((l) )&0xff)),(c)+=3) | |
d02b48c6 | 135 | |
a230b26e EK |
136 | /* |
137 | * DTLS version numbers are strange because they're inverted. Except for | |
138 | * DTLS1_BAD_VER, which should be considered "lower" than the rest. | |
139 | */ | |
140 | # define dtls_ver_ordinal(v1) (((v1) == DTLS1_BAD_VER) ? 0xff00 : (v1)) | |
141 | # define DTLS_VERSION_GT(v1, v2) (dtls_ver_ordinal(v1) < dtls_ver_ordinal(v2)) | |
142 | # define DTLS_VERSION_GE(v1, v2) (dtls_ver_ordinal(v1) <= dtls_ver_ordinal(v2)) | |
143 | # define DTLS_VERSION_LT(v1, v2) (dtls_ver_ordinal(v1) > dtls_ver_ordinal(v2)) | |
144 | # define DTLS_VERSION_LE(v1, v2) (dtls_ver_ordinal(v1) >= dtls_ver_ordinal(v2)) | |
7946ab33 | 145 | |
d02b48c6 | 146 | |
018e57c7 DSH |
147 | /* |
148 | * Define the Bitmasks for SSL_CIPHER.algorithms. | |
149 | * This bits are used packed as dense as possible. If new methods/ciphers | |
150 | * etc will be added, the bits a likely to change, so this information | |
151 | * is for internal library use only, even though SSL_CIPHER.algorithms | |
152 | * can be publicly accessed. | |
153 | * Use the according functions for cipher management instead. | |
154 | * | |
657e60fa | 155 | * The bit mask handling in the selection and sorting scheme in |
018e57c7 | 156 | * ssl_create_cipher_list() has only limited capabilities, reflecting |
657e60fa | 157 | * that the different entities within are mutually exclusive: |
018e57c7 DSH |
158 | * ONLY ONE BIT PER MASK CAN BE SET AT A TIME. |
159 | */ | |
52b8dad8 BM |
160 | |
161 | /* Bits for algorithm_mkey (key exchange algorithm) */ | |
68d39f3c | 162 | /* RSA key exchange */ |
36e79832 | 163 | # define SSL_kRSA 0x00000001U |
68d39f3c | 164 | /* tmp DH key no DH cert */ |
bc71f910 | 165 | # define SSL_kDHE 0x00000002U |
68d39f3c | 166 | /* synonym */ |
0f113f3e | 167 | # define SSL_kEDH SSL_kDHE |
68d39f3c | 168 | /* ephemeral ECDH */ |
ce0c1f2b | 169 | # define SSL_kECDHE 0x00000004U |
68d39f3c | 170 | /* synonym */ |
0f113f3e | 171 | # define SSL_kEECDH SSL_kECDHE |
68d39f3c | 172 | /* PSK */ |
ce0c1f2b | 173 | # define SSL_kPSK 0x00000008U |
68d39f3c | 174 | /* GOST key exchange */ |
ce0c1f2b | 175 | # define SSL_kGOST 0x00000010U |
68d39f3c | 176 | /* SRP */ |
ce0c1f2b | 177 | # define SSL_kSRP 0x00000020U |
52b8dad8 | 178 | |
ce0c1f2b DSH |
179 | # define SSL_kRSAPSK 0x00000040U |
180 | # define SSL_kECDHEPSK 0x00000080U | |
181 | # define SSL_kDHEPSK 0x00000100U | |
64651d39 DSH |
182 | |
183 | /* all PSK */ | |
184 | ||
a230b26e | 185 | # define SSL_PSK (SSL_kPSK | SSL_kRSAPSK | SSL_kECDHEPSK | SSL_kDHEPSK) |
64651d39 | 186 | |
e5c4bf93 DSH |
187 | /* Any appropriate key exchange algorithm (for TLS 1.3 ciphersuites) */ |
188 | # define SSL_kANY 0x00000000U | |
189 | ||
52b8dad8 | 190 | /* Bits for algorithm_auth (server authentication) */ |
68d39f3c | 191 | /* RSA auth */ |
36e79832 | 192 | # define SSL_aRSA 0x00000001U |
68d39f3c | 193 | /* DSS auth */ |
36e79832 | 194 | # define SSL_aDSS 0x00000002U |
68d39f3c | 195 | /* no auth (i.e. use ADH or AECDH) */ |
36e79832 | 196 | # define SSL_aNULL 0x00000004U |
68d39f3c | 197 | /* ECDSA auth*/ |
ce0c1f2b | 198 | # define SSL_aECDSA 0x00000008U |
68d39f3c | 199 | /* PSK auth */ |
ce0c1f2b | 200 | # define SSL_aPSK 0x00000010U |
68d39f3c | 201 | /* GOST R 34.10-2001 signature auth */ |
ce0c1f2b | 202 | # define SSL_aGOST01 0x00000020U |
68d39f3c | 203 | /* SRP auth */ |
ce0c1f2b | 204 | # define SSL_aSRP 0x00000040U |
e44380a9 | 205 | /* GOST R 34.10-2012 signature auth */ |
ce0c1f2b | 206 | # define SSL_aGOST12 0x00000080U |
e5c4bf93 DSH |
207 | /* Any appropriate signature auth (for TLS 1.3 ciphersuites) */ |
208 | # define SSL_aANY 0x00000000U | |
52b8dad8 BM |
209 | |
210 | /* Bits for algorithm_enc (symmetric encryption) */ | |
36e79832 DSH |
211 | # define SSL_DES 0x00000001U |
212 | # define SSL_3DES 0x00000002U | |
213 | # define SSL_RC4 0x00000004U | |
214 | # define SSL_RC2 0x00000008U | |
215 | # define SSL_IDEA 0x00000010U | |
216 | # define SSL_eNULL 0x00000020U | |
217 | # define SSL_AES128 0x00000040U | |
218 | # define SSL_AES256 0x00000080U | |
219 | # define SSL_CAMELLIA128 0x00000100U | |
220 | # define SSL_CAMELLIA256 0x00000200U | |
221 | # define SSL_eGOST2814789CNT 0x00000400U | |
222 | # define SSL_SEED 0x00000800U | |
223 | # define SSL_AES128GCM 0x00001000U | |
224 | # define SSL_AES256GCM 0x00002000U | |
225 | # define SSL_AES128CCM 0x00004000U | |
226 | # define SSL_AES256CCM 0x00008000U | |
227 | # define SSL_AES128CCM8 0x00010000U | |
228 | # define SSL_AES256CCM8 0x00020000U | |
e44380a9 | 229 | # define SSL_eGOST2814789CNT12 0x00040000U |
a76ba82c | 230 | # define SSL_CHACHA20POLY1305 0x00080000U |
0f113f3e | 231 | |
a556f342 EK |
232 | # define SSL_AESGCM (SSL_AES128GCM | SSL_AES256GCM) |
233 | # define SSL_AESCCM (SSL_AES128CCM | SSL_AES256CCM | SSL_AES128CCM8 | SSL_AES256CCM8) | |
234 | # define SSL_AES (SSL_AES128|SSL_AES256|SSL_AESGCM|SSL_AESCCM) | |
0f113f3e | 235 | # define SSL_CAMELLIA (SSL_CAMELLIA128|SSL_CAMELLIA256) |
1c37fd96 | 236 | # define SSL_CHACHA20 (SSL_CHACHA20POLY1305) |
52b8dad8 BM |
237 | |
238 | /* Bits for algorithm_mac (symmetric authentication) */ | |
28dd49fa | 239 | |
36e79832 DSH |
240 | # define SSL_MD5 0x00000001U |
241 | # define SSL_SHA1 0x00000002U | |
242 | # define SSL_GOST94 0x00000004U | |
243 | # define SSL_GOST89MAC 0x00000008U | |
244 | # define SSL_SHA256 0x00000010U | |
245 | # define SSL_SHA384 0x00000020U | |
28dd49fa | 246 | /* Not a real MAC, just an indication it is part of cipher */ |
36e79832 | 247 | # define SSL_AEAD 0x00000040U |
e44380a9 DB |
248 | # define SSL_GOST12_256 0x00000080U |
249 | # define SSL_GOST89MAC12 0x00000100U | |
250 | # define SSL_GOST12_512 0x00000200U | |
52b8dad8 | 251 | |
0f113f3e | 252 | /* |
e44380a9 | 253 | * When adding new digest in the ssl_ciph.c and increment SSL_MD_NUM_IDX make |
0f113f3e MC |
254 | * sure to update this constant too |
255 | */ | |
28ba2541 DSH |
256 | |
257 | # define SSL_MD_MD5_IDX 0 | |
258 | # define SSL_MD_SHA1_IDX 1 | |
259 | # define SSL_MD_GOST94_IDX 2 | |
260 | # define SSL_MD_GOST89MAC_IDX 3 | |
261 | # define SSL_MD_SHA256_IDX 4 | |
262 | # define SSL_MD_SHA384_IDX 5 | |
263 | # define SSL_MD_GOST12_256_IDX 6 | |
264 | # define SSL_MD_GOST89MAC12_IDX 7 | |
265 | # define SSL_MD_GOST12_512_IDX 8 | |
266 | # define SSL_MD_MD5_SHA1_IDX 9 | |
7afd2312 DSH |
267 | # define SSL_MD_SHA224_IDX 10 |
268 | # define SSL_MD_SHA512_IDX 11 | |
269 | # define SSL_MAX_DIGEST 12 | |
28ba2541 DSH |
270 | |
271 | /* Bits for algorithm2 (handshake digests and other extra flags) */ | |
272 | ||
273 | /* Bits 0-7 are handshake MAC */ | |
274 | # define SSL_HANDSHAKE_MAC_MASK 0xFF | |
275 | # define SSL_HANDSHAKE_MAC_MD5_SHA1 SSL_MD_MD5_SHA1_IDX | |
276 | # define SSL_HANDSHAKE_MAC_SHA256 SSL_MD_SHA256_IDX | |
277 | # define SSL_HANDSHAKE_MAC_SHA384 SSL_MD_SHA384_IDX | |
278 | # define SSL_HANDSHAKE_MAC_GOST94 SSL_MD_GOST94_IDX | |
279 | # define SSL_HANDSHAKE_MAC_GOST12_256 SSL_MD_GOST12_256_IDX | |
280 | # define SSL_HANDSHAKE_MAC_GOST12_512 SSL_MD_GOST12_512_IDX | |
281 | # define SSL_HANDSHAKE_MAC_DEFAULT SSL_HANDSHAKE_MAC_MD5_SHA1 | |
282 | ||
283 | /* Bits 8-15 bits are PRF */ | |
284 | # define TLS1_PRF_DGST_SHIFT 8 | |
285 | # define TLS1_PRF_SHA1_MD5 (SSL_MD_MD5_SHA1_IDX << TLS1_PRF_DGST_SHIFT) | |
286 | # define TLS1_PRF_SHA256 (SSL_MD_SHA256_IDX << TLS1_PRF_DGST_SHIFT) | |
287 | # define TLS1_PRF_SHA384 (SSL_MD_SHA384_IDX << TLS1_PRF_DGST_SHIFT) | |
288 | # define TLS1_PRF_GOST94 (SSL_MD_GOST94_IDX << TLS1_PRF_DGST_SHIFT) | |
289 | # define TLS1_PRF_GOST12_256 (SSL_MD_GOST12_256_IDX << TLS1_PRF_DGST_SHIFT) | |
290 | # define TLS1_PRF_GOST12_512 (SSL_MD_GOST12_512_IDX << TLS1_PRF_DGST_SHIFT) | |
291 | # define TLS1_PRF (SSL_MD_MD5_SHA1_IDX << TLS1_PRF_DGST_SHIFT) | |
761772d7 | 292 | |
0f113f3e MC |
293 | /* |
294 | * Stream MAC for GOST ciphersuites from cryptopro draft (currently this also | |
295 | * goes into algorithm2) | |
296 | */ | |
28ba2541 | 297 | # define TLS1_STREAM_MAC 0x10000 |
761772d7 | 298 | |
88a9614b | 299 | # define SSL_STRONG_MASK 0x0000001FU |
361a1191 | 300 | # define SSL_DEFAULT_MASK 0X00000020U |
c84f7f4a | 301 | |
361a1191 KR |
302 | # define SSL_STRONG_NONE 0x00000001U |
303 | # define SSL_LOW 0x00000002U | |
304 | # define SSL_MEDIUM 0x00000004U | |
305 | # define SSL_HIGH 0x00000008U | |
306 | # define SSL_FIPS 0x00000010U | |
307 | # define SSL_NOT_DEFAULT 0x00000020U | |
018e57c7 | 308 | |
361a1191 | 309 | /* we have used 0000003f - 26 bits left to go */ |
d02b48c6 | 310 | |
34f7245b MC |
311 | /* Flag used on OpenSSL ciphersuite ids to indicate they are for SSLv3+ */ |
312 | # define SSL3_CK_CIPHERSUITE_FLAG 0x03000000 | |
313 | ||
890f2f8b | 314 | /* Check if an SSL structure is using DTLS */ |
0f113f3e | 315 | # define SSL_IS_DTLS(s) (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS) |
f2342b7a MC |
316 | |
317 | /* Check if we are using TLSv1.3 */ | |
c805f618 MC |
318 | # define SSL_IS_TLS13(s) (!SSL_IS_DTLS(s) \ |
319 | && (s)->method->version >= TLS1_3_VERSION \ | |
320 | && (s)->method->version != TLS_ANY_VERSION) | |
f2342b7a | 321 | |
49e7fe12 | 322 | # define SSL_TREAT_AS_TLS13(s) \ |
ef6c191b MC |
323 | (SSL_IS_TLS13(s) || (s)->early_data_state == SSL_EARLY_DATA_WRITING \ |
324 | || (s)->early_data_state == SSL_EARLY_DATA_WRITE_RETRY) | |
49e7fe12 | 325 | |
c7f47786 MC |
326 | # define SSL_IS_FIRST_HANDSHAKE(S) ((s)->s3->tmp.finish_md_len == 0) |
327 | ||
cbd64894 | 328 | /* See if we need explicit IV */ |
0f113f3e MC |
329 | # define SSL_USE_EXPLICIT_IV(s) \ |
330 | (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_EXPLICIT_IV) | |
331 | /* | |
332 | * See if we use signature algorithms extension and signature algorithm | |
333 | * before signatures. | |
cbd64894 | 334 | */ |
0f113f3e MC |
335 | # define SSL_USE_SIGALGS(s) \ |
336 | (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_SIGALGS) | |
337 | /* | |
338 | * Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2: may | |
339 | * apply to others in future. | |
4221c0dd | 340 | */ |
0f113f3e MC |
341 | # define SSL_USE_TLS1_2_CIPHERS(s) \ |
342 | (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_TLS1_2_CIPHERS) | |
343 | /* | |
344 | * Determine if a client can use TLS 1.2 ciphersuites: can't rely on method | |
1e2d4cb0 DSH |
345 | * flags because it may not be set to correct version yet. |
346 | */ | |
0f113f3e | 347 | # define SSL_CLIENT_USE_TLS1_2_CIPHERS(s) \ |
4fa52141 VD |
348 | ((!SSL_IS_DTLS(s) && s->client_version >= TLS1_2_VERSION) || \ |
349 | (SSL_IS_DTLS(s) && DTLS_VERSION_GE(s->client_version, DTLS1_2_VERSION))) | |
f7aa3185 DB |
350 | /* |
351 | * Determine if a client should send signature algorithms extension: | |
352 | * as with TLS1.2 cipher we can't rely on method flags. | |
353 | */ | |
354 | # define SSL_CLIENT_USE_SIGALGS(s) \ | |
355 | SSL_CLIENT_USE_TLS1_2_CIPHERS(s) | |
0f113f3e | 356 | |
28a31a0a MC |
357 | # define SSL_READ_ETM(s) (s->s3->flags & TLS1_FLAGS_ENCRYPT_THEN_MAC_READ) |
358 | # define SSL_WRITE_ETM(s) (s->s3->flags & TLS1_FLAGS_ENCRYPT_THEN_MAC_WRITE) | |
5e3ff62c | 359 | |
d02b48c6 | 360 | /* Mostly for SSLv3 */ |
d0ff28f8 DSH |
361 | # define SSL_PKEY_RSA 0 |
362 | # define SSL_PKEY_DSA_SIGN 1 | |
363 | # define SSL_PKEY_ECC 2 | |
364 | # define SSL_PKEY_GOST01 3 | |
365 | # define SSL_PKEY_GOST12_256 4 | |
366 | # define SSL_PKEY_GOST12_512 5 | |
07afa3d8 DSH |
367 | # define SSL_PKEY_ED25519 6 |
368 | # define SSL_PKEY_NUM 7 | |
e44380a9 DB |
369 | /* |
370 | * Pseudo-constant. GOST cipher suites can use different certs for 1 | |
371 | * SSL_CIPHER. So let's see which one we have in fact. | |
372 | */ | |
373 | # define SSL_PKEY_GOST_EC SSL_PKEY_NUM+1 | |
d02b48c6 | 374 | |
17ae384e | 375 | /* |
d0ff28f8 | 376 | * TODO(TLS1.3) for now use SSL_PKEY_RSA keys for PSS |
17ae384e DSH |
377 | */ |
378 | ||
d0ff28f8 | 379 | #define SSL_PKEY_RSA_PSS_SIGN SSL_PKEY_RSA |
17ae384e | 380 | |
1d97c843 | 381 | /*- |
361a1191 | 382 | * SSL_kRSA <- RSA_ENC |
d02b48c6 | 383 | * SSL_kDH <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN) |
5a21cadb | 384 | * SSL_kDHE <- RSA_ENC | RSA_SIGN | DSA_SIGN |
d02b48c6 RE |
385 | * SSL_aRSA <- RSA_ENC | RSA_SIGN |
386 | * SSL_aDSS <- DSA_SIGN | |
387 | */ | |
388 | ||
23a22b4c | 389 | /*- |
0f113f3e MC |
390 | #define CERT_INVALID 0 |
391 | #define CERT_PUBLIC_KEY 1 | |
392 | #define CERT_PRIVATE_KEY 2 | |
d02b48c6 RE |
393 | */ |
394 | ||
e9fa092e | 395 | /* CipherSuite length. SSLv3 and all TLS versions. */ |
a230b26e | 396 | # define TLS_CIPHER_LEN 2 |
b6ba4014 MC |
397 | /* used to hold info on the particular ciphers used */ |
398 | struct ssl_cipher_st { | |
90d9e49a | 399 | uint32_t valid; |
a230b26e EK |
400 | const char *name; /* text name */ |
401 | uint32_t id; /* id, 4 bytes, first is version */ | |
b6ba4014 | 402 | /* |
90d9e49a | 403 | * changed in 1.0.0: these four used to be portions of a single value |
b6ba4014 MC |
404 | * 'algorithms' |
405 | */ | |
a230b26e EK |
406 | uint32_t algorithm_mkey; /* key exchange algorithm */ |
407 | uint32_t algorithm_auth; /* server authentication */ | |
408 | uint32_t algorithm_enc; /* symmetric encryption */ | |
409 | uint32_t algorithm_mac; /* symmetric authentication */ | |
410 | int min_tls; /* minimum SSL/TLS protocol version */ | |
411 | int max_tls; /* maximum SSL/TLS protocol version */ | |
412 | int min_dtls; /* minimum DTLS protocol version */ | |
413 | int max_dtls; /* maximum DTLS protocol version */ | |
414 | uint32_t algo_strength; /* strength and export flags */ | |
415 | uint32_t algorithm2; /* Extra flags */ | |
416 | int32_t strength_bits; /* Number of bits really used */ | |
417 | uint32_t alg_bits; /* Number of bits for algorithm */ | |
b6ba4014 MC |
418 | }; |
419 | ||
87d9cafa | 420 | /* Used to hold SSL/TLS functions */ |
b6ba4014 MC |
421 | struct ssl_method_st { |
422 | int version; | |
4fa52141 VD |
423 | unsigned flags; |
424 | unsigned long mask; | |
b6ba4014 | 425 | int (*ssl_new) (SSL *s); |
b77f3ed1 | 426 | int (*ssl_clear) (SSL *s); |
b6ba4014 MC |
427 | void (*ssl_free) (SSL *s); |
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); |
657da85e | 436 | int (*ssl_read_bytes) (SSL *s, int type, int *recvd_type, |
eda75751 | 437 | unsigned char *buf, size_t len, int peek, |
54105ddd | 438 | size_t *readbytes); |
7ee8627f MC |
439 | int (*ssl_write_bytes) (SSL *s, int type, const void *buf_, size_t len, |
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); | |
b6ba4014 MC |
450 | long (*get_timeout) (void); |
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 | ||
457 | /*- | |
458 | * Lets make this into an ASN.1 type structure as follows | |
459 | * SSL_SESSION_ID ::= SEQUENCE { | |
460 | * version INTEGER, -- structure version number | |
461 | * SSLversion INTEGER, -- SSL version number | |
462 | * Cipher OCTET STRING, -- the 3 byte cipher ID | |
463 | * Session_ID OCTET STRING, -- the Session ID | |
464 | * Master_key OCTET STRING, -- the master key | |
b6ba4014 MC |
465 | * Key_Arg [ 0 ] IMPLICIT OCTET STRING, -- the optional Key argument |
466 | * Time [ 1 ] EXPLICIT INTEGER, -- optional Start Time | |
467 | * Timeout [ 2 ] EXPLICIT INTEGER, -- optional Timeout ins seconds | |
468 | * Peer [ 3 ] EXPLICIT X509, -- optional Peer Certificate | |
469 | * Session_ID_context [ 4 ] EXPLICIT OCTET STRING, -- the Session ID context | |
470 | * Verify_result [ 5 ] EXPLICIT INTEGER, -- X509_V_... code for `Peer' | |
471 | * HostName [ 6 ] EXPLICIT OCTET STRING, -- optional HostName from servername TLS extension | |
472 | * PSK_identity_hint [ 7 ] EXPLICIT OCTET STRING, -- optional PSK identity hint | |
473 | * PSK_identity [ 8 ] EXPLICIT OCTET STRING, -- optional PSK identity | |
474 | * Ticket_lifetime_hint [9] EXPLICIT INTEGER, -- server's lifetime hint for session ticket | |
475 | * Ticket [10] EXPLICIT OCTET STRING, -- session ticket (clients only) | |
476 | * Compression_meth [11] EXPLICIT OCTET STRING, -- optional compression method | |
477 | * SRP_username [ 12 ] EXPLICIT OCTET STRING -- optional SRP username | |
6f152a15 | 478 | * flags [ 13 ] EXPLICIT INTEGER -- optional flags |
b6ba4014 MC |
479 | * } |
480 | * Look in ssl/ssl_asn1.c for more details | |
481 | * I'm using EXPLICIT tags so I can read the damn things using asn1parse :-). | |
482 | */ | |
483 | struct ssl_session_st { | |
a230b26e EK |
484 | int ssl_version; /* what ssl version session info is being kept |
485 | * in here? */ | |
8c1a5343 | 486 | size_t master_key_length; |
ec15acb6 MC |
487 | |
488 | /* | |
489 | * For <=TLS1.2 this is the master_key. For TLS1.3 this is the resumption | |
490 | * master secret | |
491 | */ | |
1a3392c8 | 492 | unsigned char master_key[TLS13_MAX_RESUMPTION_MASTER_LENGTH]; |
b6ba4014 | 493 | /* session_id - valid? */ |
ec60ccc1 | 494 | size_t session_id_length; |
b6ba4014 MC |
495 | unsigned char session_id[SSL_MAX_SSL_SESSION_ID_LENGTH]; |
496 | /* | |
497 | * this is used to determine whether the session is being reused in the | |
498 | * appropriate context. It is up to the application to set this, via | |
499 | * SSL_new | |
500 | */ | |
ec60ccc1 | 501 | size_t sid_ctx_length; |
b6ba4014 | 502 | unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH]; |
b6ba4014 MC |
503 | # ifndef OPENSSL_NO_PSK |
504 | char *psk_identity_hint; | |
505 | char *psk_identity; | |
506 | # endif | |
507 | /* | |
508 | * Used to indicate that session resumption is not allowed. Applications | |
509 | * can also set this bit for a new session via not_resumable_session_cb | |
510 | * to disable session caching and tickets. | |
511 | */ | |
512 | int not_resumable; | |
a273c6ee | 513 | /* This is the cert and type for the other end. */ |
b6ba4014 | 514 | X509 *peer; |
a273c6ee | 515 | int peer_type; |
fa7c2637 | 516 | /* Certificate chain peer sent. */ |
c34b0f99 | 517 | STACK_OF(X509) *peer_chain; |
b6ba4014 MC |
518 | /* |
519 | * when app_verify_callback accepts a session where the peer's | |
520 | * certificate is not ok, we must remember the error for session reuse: | |
521 | */ | |
522 | long verify_result; /* only for servers */ | |
2f545ae4 | 523 | CRYPTO_REF_COUNT references; |
b6ba4014 MC |
524 | long timeout; |
525 | long time; | |
526 | unsigned int compress_meth; /* Need to lookup the method */ | |
527 | const SSL_CIPHER *cipher; | |
a230b26e EK |
528 | unsigned long cipher_id; /* when ASN.1 loaded, this needs to be used to |
529 | * load the 'cipher' structure */ | |
b6ba4014 MC |
530 | STACK_OF(SSL_CIPHER) *ciphers; /* shared ciphers? */ |
531 | CRYPTO_EX_DATA ex_data; /* application specific data */ | |
532 | /* | |
533 | * These are used to make removal of session-ids more efficient and to | |
534 | * implement a maximum cache size. | |
535 | */ | |
536 | struct ssl_session_st *prev, *next; | |
aff8c126 RS |
537 | |
538 | struct { | |
539 | char *hostname; | |
e481f9b9 | 540 | # ifndef OPENSSL_NO_EC |
aff8c126 RS |
541 | size_t ecpointformats_len; |
542 | unsigned char *ecpointformats; /* peer's list */ | |
543 | size_t supportedgroups_len; | |
544 | unsigned char *supportedgroups; /* peer's list */ | |
a230b26e | 545 | # endif /* OPENSSL_NO_EC */ |
b6ba4014 | 546 | /* RFC4507 info */ |
aff8c126 RS |
547 | unsigned char *tick; /* Session ticket */ |
548 | size_t ticklen; /* Session ticket length */ | |
549 | /* Session lifetime hint in seconds */ | |
550 | unsigned long tick_lifetime_hint; | |
fc24f0bf | 551 | uint32_t tick_age_add; |
ec15acb6 | 552 | int tick_identity; |
5d5b3fba MC |
553 | /* Max number of bytes that can be sent as early data */ |
554 | uint32_t max_early_data; | |
f6370040 MC |
555 | /* The ALPN protocol selected for this session */ |
556 | unsigned char *alpn_selected; | |
557 | size_t alpn_selected_len; | |
aff8c126 | 558 | } ext; |
b6ba4014 MC |
559 | # ifndef OPENSSL_NO_SRP |
560 | char *srp_username; | |
561 | # endif | |
f7d53487 | 562 | uint32_t flags; |
16203f7b | 563 | CRYPTO_RWLOCK *lock; |
b6ba4014 MC |
564 | }; |
565 | ||
6f152a15 | 566 | /* Extended master secret support */ |
a230b26e | 567 | # define SSL_SESS_FLAG_EXTMS 0x1 |
b6ba4014 MC |
568 | |
569 | # ifndef OPENSSL_NO_SRP | |
570 | ||
571 | typedef struct srp_ctx_st { | |
572 | /* param for all the callbacks */ | |
573 | void *SRP_cb_arg; | |
574 | /* set client Hello login callback */ | |
575 | int (*TLS_ext_srp_username_callback) (SSL *, int *, void *); | |
576 | /* set SRP N/g param callback for verification */ | |
577 | int (*SRP_verify_param_callback) (SSL *, void *); | |
578 | /* set SRP client passwd callback */ | |
579 | char *(*SRP_give_srp_client_pwd_callback) (SSL *, void *); | |
580 | char *login; | |
581 | BIGNUM *N, *g, *s, *B, *A; | |
582 | BIGNUM *a, *b, *v; | |
583 | char *info; | |
584 | int strength; | |
585 | unsigned long srp_Mask; | |
586 | } SRP_CTX; | |
587 | ||
588 | # endif | |
589 | ||
49e7fe12 MC |
590 | typedef enum { |
591 | SSL_EARLY_DATA_NONE = 0, | |
592 | SSL_EARLY_DATA_CONNECT_RETRY, | |
593 | SSL_EARLY_DATA_CONNECTING, | |
594 | SSL_EARLY_DATA_WRITE_RETRY, | |
595 | SSL_EARLY_DATA_WRITING, | |
09f28874 | 596 | SSL_EARLY_DATA_UNAUTH_WRITING, |
d781d247 MC |
597 | SSL_EARLY_DATA_FINISHED_WRITING, |
598 | SSL_EARLY_DATA_ACCEPT_RETRY, | |
599 | SSL_EARLY_DATA_ACCEPTING, | |
600 | SSL_EARLY_DATA_READ_RETRY, | |
601 | SSL_EARLY_DATA_READING, | |
602 | SSL_EARLY_DATA_FINISHED_READING | |
49e7fe12 MC |
603 | } SSL_EARLY_DATA_STATE; |
604 | ||
70ef40a0 MC |
605 | /* |
606 | * We check that the amount of unreadable early data doesn't exceed | |
607 | * max_early_data. max_early_data is given in plaintext bytes. However if it is | |
608 | * unreadable then we only know the number of ciphertext bytes. We also don't | |
609 | * know how much the overhead should be because it depends on the ciphersuite. | |
610 | * We make a small allowance. We assume 5 records of actual data plus the end | |
611 | * of early data alert record. Each record has a tag and a content type byte. | |
612 | * The longest tag length we know of is EVP_GCM_TLS_TAG_LEN. We don't count the | |
613 | * content of the alert record either which is 2 bytes. | |
614 | */ | |
615 | # define EARLY_DATA_CIPHERTEXT_OVERHEAD ((6 * (EVP_GCM_TLS_TAG_LEN + 1)) + 2) | |
616 | ||
2c604cb9 MC |
617 | /* |
618 | * The allowance we have between the client's calculated ticket age and our own. | |
619 | * We allow for 10 seconds (units are in ms). If a ticket is presented and the | |
620 | * client's age calculation is different by more than this than our own then we | |
621 | * do not allow that ticket for early_data. | |
622 | */ | |
623 | # define TICKET_AGE_ALLOWANCE (10 * 1000) | |
624 | ||
cb7a1f5f BK |
625 | #define MAX_COMPRESSIONS_SIZE 255 |
626 | ||
b6ba4014 MC |
627 | struct ssl_comp_st { |
628 | int id; | |
629 | const char *name; | |
b6ba4014 | 630 | COMP_METHOD *method; |
b6ba4014 MC |
631 | }; |
632 | ||
cb7a1f5f BK |
633 | typedef struct raw_extension_st { |
634 | /* Raw packet data for the extension */ | |
635 | PACKET data; | |
636 | /* Set to 1 if the extension is present or 0 otherwise */ | |
637 | int present; | |
638 | /* Set to 1 if we have already parsed the extension or 0 otherwise */ | |
639 | int parsed; | |
640 | /* The type of this extension, i.e. a TLSEXT_TYPE_* value */ | |
641 | unsigned int type; | |
193b5d76 BK |
642 | /* Track what order extensions are received in (0-based). */ |
643 | size_t received_order; | |
cb7a1f5f BK |
644 | } RAW_EXTENSION; |
645 | ||
646 | typedef struct { | |
647 | unsigned int isv2; | |
648 | unsigned int legacy_version; | |
649 | unsigned char random[SSL3_RANDOM_SIZE]; | |
650 | size_t session_id_len; | |
651 | unsigned char session_id[SSL_MAX_SSL_SESSION_ID_LENGTH]; | |
652 | size_t dtls_cookie_len; | |
653 | unsigned char dtls_cookie[DTLS1_COOKIE_LENGTH]; | |
654 | PACKET ciphersuites; | |
655 | size_t compressions_len; | |
656 | unsigned char compressions[MAX_COMPRESSIONS_SIZE]; | |
657 | PACKET extensions; | |
658 | size_t pre_proc_exts_len; | |
659 | RAW_EXTENSION *pre_proc_exts; | |
660 | } CLIENTHELLO_MSG; | |
661 | ||
b186a592 MC |
662 | /* |
663 | * Extension index values NOTE: Any updates to these defines should be mirrored | |
664 | * with equivalent updates to ext_defs in extensions.c | |
665 | */ | |
666 | typedef enum tlsext_index_en { | |
667 | TLSEXT_IDX_renegotiate, | |
668 | TLSEXT_IDX_server_name, | |
669 | TLSEXT_IDX_srp, | |
670 | TLSEXT_IDX_ec_point_formats, | |
671 | TLSEXT_IDX_supported_groups, | |
672 | TLSEXT_IDX_session_ticket, | |
673 | TLSEXT_IDX_signature_algorithms, | |
674 | TLSEXT_IDX_status_request, | |
675 | TLSEXT_IDX_next_proto_neg, | |
676 | TLSEXT_IDX_application_layer_protocol_negotiation, | |
677 | TLSEXT_IDX_use_srtp, | |
678 | TLSEXT_IDX_encrypt_then_mac, | |
679 | TLSEXT_IDX_signed_certificate_timestamp, | |
680 | TLSEXT_IDX_extended_master_secret, | |
681 | TLSEXT_IDX_supported_versions, | |
682 | TLSEXT_IDX_psk_kex_modes, | |
683 | TLSEXT_IDX_key_share, | |
684 | TLSEXT_IDX_cookie, | |
685 | TLSEXT_IDX_cryptopro_bug, | |
686 | TLSEXT_IDX_early_data, | |
687 | TLSEXT_IDX_certificate_authorities, | |
688 | TLSEXT_IDX_padding, | |
689 | TLSEXT_IDX_psk, | |
690 | /* Dummy index - must always be the last entry */ | |
691 | TLSEXT_IDX_num_builtins | |
692 | } TLSEXT_INDEX; | |
693 | ||
89d6aa10 | 694 | DEFINE_LHASH_OF(SSL_SESSION); |
ce023e77 VD |
695 | /* Needed in ssl_cert.c */ |
696 | DEFINE_LHASH_OF(X509_NAME); | |
f8e0a557 | 697 | |
a230b26e | 698 | # define TLSEXT_KEYNAME_LENGTH 16 |
d139723b | 699 | |
b6ba4014 MC |
700 | struct ssl_ctx_st { |
701 | const SSL_METHOD *method; | |
702 | STACK_OF(SSL_CIPHER) *cipher_list; | |
703 | /* same as above but sorted for lookup */ | |
704 | STACK_OF(SSL_CIPHER) *cipher_list_by_id; | |
705 | struct x509_store_st /* X509_STORE */ *cert_store; | |
706 | LHASH_OF(SSL_SESSION) *sessions; | |
707 | /* | |
708 | * Most session-ids that will be cached, default is | |
709 | * SSL_SESSION_CACHE_MAX_SIZE_DEFAULT. 0 is unlimited. | |
710 | */ | |
cb150cbc | 711 | size_t session_cache_size; |
b6ba4014 MC |
712 | struct ssl_session_st *session_cache_head; |
713 | struct ssl_session_st *session_cache_tail; | |
714 | /* | |
715 | * This can have one of 2 values, ored together, SSL_SESS_CACHE_CLIENT, | |
716 | * SSL_SESS_CACHE_SERVER, Default is SSL_SESSION_CACHE_SERVER, which | |
717 | * means only SSL_accept which cache SSL_SESSIONS. | |
718 | */ | |
f7d53487 | 719 | uint32_t session_cache_mode; |
b6ba4014 MC |
720 | /* |
721 | * If timeout is not 0, it is the default timeout value set when | |
722 | * SSL_new() is called. This has been put in to make life easier to set | |
723 | * things up | |
724 | */ | |
725 | long session_timeout; | |
726 | /* | |
727 | * If this callback is not null, it will be called each time a session id | |
728 | * is added to the cache. If this function returns 1, it means that the | |
729 | * callback will do a SSL_SESSION_free() when it has finished using it. | |
730 | * Otherwise, on 0, it means the callback has finished with it. If | |
731 | * remove_session_cb is not null, it will be called when a session-id is | |
732 | * removed from the cache. After the call, OpenSSL will | |
733 | * SSL_SESSION_free() it. | |
734 | */ | |
735 | int (*new_session_cb) (struct ssl_st *ssl, SSL_SESSION *sess); | |
736 | void (*remove_session_cb) (struct ssl_ctx_st *ctx, SSL_SESSION *sess); | |
737 | SSL_SESSION *(*get_session_cb) (struct ssl_st *ssl, | |
b6981744 EK |
738 | const unsigned char *data, int len, |
739 | int *copy); | |
b6ba4014 MC |
740 | struct { |
741 | int sess_connect; /* SSL new conn - started */ | |
742 | int sess_connect_renegotiate; /* SSL reneg - requested */ | |
743 | int sess_connect_good; /* SSL new conne/reneg - finished */ | |
744 | int sess_accept; /* SSL new accept - started */ | |
745 | int sess_accept_renegotiate; /* SSL reneg - requested */ | |
746 | int sess_accept_good; /* SSL accept/reneg - finished */ | |
747 | int sess_miss; /* session lookup misses */ | |
748 | int sess_timeout; /* reuse attempt on timeouted session */ | |
749 | int sess_cache_full; /* session removed due to full cache */ | |
750 | int sess_hit; /* session reuse actually done */ | |
751 | int sess_cb_hit; /* session-id that was not in the cache was | |
752 | * passed back via the callback. This | |
a230b26e EK |
753 | * indicates that the application is supplying |
754 | * session-id's from other processes - spooky | |
755 | * :-) */ | |
b6ba4014 MC |
756 | } stats; |
757 | ||
2f545ae4 | 758 | CRYPTO_REF_COUNT references; |
b6ba4014 MC |
759 | |
760 | /* if defined, these override the X509_verify_cert() calls */ | |
761 | int (*app_verify_callback) (X509_STORE_CTX *, void *); | |
762 | void *app_verify_arg; | |
763 | /* | |
764 | * before OpenSSL 0.9.7, 'app_verify_arg' was ignored | |
765 | * ('app_verify_callback' was called with just one argument) | |
766 | */ | |
767 | ||
768 | /* Default password callback. */ | |
769 | pem_password_cb *default_passwd_callback; | |
770 | ||
771 | /* Default password callback user data. */ | |
772 | void *default_passwd_callback_userdata; | |
773 | ||
774 | /* get client cert callback */ | |
775 | int (*client_cert_cb) (SSL *ssl, X509 **x509, EVP_PKEY **pkey); | |
776 | ||
777 | /* cookie generate callback */ | |
778 | int (*app_gen_cookie_cb) (SSL *ssl, unsigned char *cookie, | |
779 | unsigned int *cookie_len); | |
780 | ||
781 | /* verify cookie callback */ | |
31011544 | 782 | int (*app_verify_cookie_cb) (SSL *ssl, const unsigned char *cookie, |
b6ba4014 MC |
783 | unsigned int cookie_len); |
784 | ||
785 | CRYPTO_EX_DATA ex_data; | |
786 | ||
787 | const EVP_MD *md5; /* For SSLv3/TLSv1 'ssl3-md5' */ | |
788 | const EVP_MD *sha1; /* For SSLv3/TLSv1 'ssl3->sha1' */ | |
789 | ||
790 | STACK_OF(X509) *extra_certs; | |
791 | STACK_OF(SSL_COMP) *comp_methods; /* stack of SSL_COMP, SSLv3/TLSv1 */ | |
792 | ||
793 | /* Default values used when no per-SSL value is defined follow */ | |
794 | ||
795 | /* used if SSL's info_callback is NULL */ | |
796 | void (*info_callback) (const SSL *ssl, int type, int val); | |
797 | ||
fa7c2637 DSH |
798 | /* |
799 | * What we put in certificate_authorities extension for TLS 1.3 | |
800 | * (ClientHello and CertificateRequest) or just client cert requests for | |
801 | * earlier versions. | |
802 | */ | |
803 | STACK_OF(X509_NAME) *ca_names; | |
b6ba4014 MC |
804 | |
805 | /* | |
806 | * Default values to use in SSL structures follow (these are copied by | |
807 | * SSL_new) | |
808 | */ | |
809 | ||
f7d53487 DSH |
810 | uint32_t options; |
811 | uint32_t mode; | |
7946ab33 KR |
812 | int min_proto_version; |
813 | int max_proto_version; | |
12472b45 | 814 | size_t max_cert_list; |
b6ba4014 MC |
815 | |
816 | struct cert_st /* CERT */ *cert; | |
817 | int read_ahead; | |
818 | ||
819 | /* callback that allows applications to peek at protocol messages */ | |
820 | void (*msg_callback) (int write_p, int version, int content_type, | |
821 | const void *buf, size_t len, SSL *ssl, void *arg); | |
822 | void *msg_callback_arg; | |
823 | ||
f7d53487 | 824 | uint32_t verify_mode; |
ec60ccc1 | 825 | size_t sid_ctx_length; |
b6ba4014 MC |
826 | unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH]; |
827 | /* called 'verify_callback' in the SSL */ | |
828 | int (*default_verify_callback) (int ok, X509_STORE_CTX *ctx); | |
829 | ||
830 | /* Default generate session ID callback. */ | |
831 | GEN_SESSION_CB generate_session_id; | |
832 | ||
833 | X509_VERIFY_PARAM *param; | |
834 | ||
835 | int quiet_shutdown; | |
836 | ||
a230b26e EK |
837 | # ifndef OPENSSL_NO_CT |
838 | CTLOG_STORE *ctlog_store; /* CT Log Store */ | |
ed29e82a | 839 | /* |
a230b26e EK |
840 | * Validates that the SCTs (Signed Certificate Timestamps) are sufficient. |
841 | * If they are not, the connection should be aborted. | |
842 | */ | |
43341433 | 843 | ssl_ct_validation_cb ct_validation_callback; |
ed29e82a | 844 | void *ct_validation_callback_arg; |
a230b26e | 845 | # endif |
ed29e82a | 846 | |
d102d9df MC |
847 | /* |
848 | * If we're using more than one pipeline how should we divide the data | |
849 | * up between the pipes? | |
850 | */ | |
7ee8627f | 851 | size_t split_send_fragment; |
b6ba4014 MC |
852 | /* |
853 | * Maximum amount of data to send in one fragment. actual record size can | |
854 | * be more than this due to padding and MAC overheads. | |
855 | */ | |
7ee8627f | 856 | size_t max_send_fragment; |
b6ba4014 | 857 | |
d102d9df | 858 | /* Up to how many pipelines should we use? If 0 then 1 is assumed */ |
7ee8627f | 859 | size_t max_pipelines; |
d102d9df | 860 | |
dad78fb1 MC |
861 | /* The default read buffer length to use (0 means not set) */ |
862 | size_t default_read_buf_len; | |
863 | ||
a230b26e | 864 | # ifndef OPENSSL_NO_ENGINE |
b6ba4014 MC |
865 | /* |
866 | * Engine to pass requests for client certs to | |
867 | */ | |
868 | ENGINE *client_cert_engine; | |
a230b26e | 869 | # endif |
b6ba4014 | 870 | |
6b1bb98f BK |
871 | /* Early callback. Mostly for extensions, but not entirely. */ |
872 | SSL_early_cb_fn early_cb; | |
873 | void *early_cb_arg; | |
874 | ||
aff8c126 RS |
875 | /* TLS extensions. */ |
876 | struct { | |
877 | /* TLS extensions servername callback */ | |
878 | int (*servername_cb) (SSL *, int *, void *); | |
879 | void *servername_arg; | |
880 | /* RFC 4507 session ticket keys */ | |
881 | unsigned char tick_key_name[TLSEXT_KEYNAME_LENGTH]; | |
882 | unsigned char tick_hmac_key[32]; | |
883 | unsigned char tick_aes_key[32]; | |
884 | /* Callback to support customisation of ticket key setting */ | |
885 | int (*ticket_key_cb) (SSL *ssl, | |
886 | unsigned char *name, unsigned char *iv, | |
887 | EVP_CIPHER_CTX *ectx, HMAC_CTX *hctx, int enc); | |
888 | ||
889 | /* certificate status request info */ | |
890 | /* Callback for status request */ | |
891 | int (*status_cb) (SSL *ssl, void *arg); | |
892 | void *status_arg; | |
893 | /* ext status type used for CSR extension (OCSP Stapling) */ | |
894 | int status_type; | |
b6ba4014 | 895 | |
aff8c126 RS |
896 | # ifndef OPENSSL_NO_EC |
897 | /* EC extension values inherited by SSL structure */ | |
898 | size_t ecpointformats_len; | |
899 | unsigned char *ecpointformats; | |
900 | size_t supportedgroups_len; | |
901 | unsigned char *supportedgroups; | |
902 | # endif /* OPENSSL_NO_EC */ | |
b6ba4014 | 903 | |
aff8c126 RS |
904 | /* |
905 | * ALPN information (we are in the process of transitioning from NPN to | |
906 | * ALPN.) | |
907 | */ | |
b6ba4014 MC |
908 | |
909 | /*- | |
910 | * For a server, this contains a callback function that allows the | |
911 | * server to select the protocol for the connection. | |
912 | * out: on successful return, this must point to the raw protocol | |
913 | * name (without the length prefix). | |
914 | * outlen: on successful return, this contains the length of |*out|. | |
915 | * in: points to the client's list of supported protocols in | |
916 | * wire-format. | |
917 | * inlen: the length of |in|. | |
918 | */ | |
aff8c126 RS |
919 | int (*alpn_select_cb) (SSL *s, |
920 | const unsigned char **out, | |
921 | unsigned char *outlen, | |
922 | const unsigned char *in, | |
923 | unsigned int inlen, void *arg); | |
924 | void *alpn_select_cb_arg; | |
b6ba4014 | 925 | |
aff8c126 RS |
926 | /* |
927 | * For a client, this contains the list of supported protocols in wire | |
928 | * format. | |
929 | */ | |
930 | unsigned char *alpn; | |
931 | size_t alpn_len; | |
932 | ||
e3bc1305 | 933 | # ifndef OPENSSL_NO_NEXTPROTONEG |
aff8c126 RS |
934 | /* Next protocol negotiation information */ |
935 | ||
936 | /* | |
937 | * For a server, this contains a callback function by which the set of | |
938 | * advertised protocols can be provided. | |
939 | */ | |
8cbfcc70 | 940 | SSL_CTX_npn_advertised_cb_func npn_advertised_cb; |
aff8c126 RS |
941 | void *npn_advertised_cb_arg; |
942 | /* | |
943 | * For a client, this contains a callback function that selects the next | |
944 | * protocol from the list provided by the server. | |
945 | */ | |
8cbfcc70 | 946 | SSL_CTX_npn_select_cb_func npn_select_cb; |
aff8c126 RS |
947 | void *npn_select_cb_arg; |
948 | # endif | |
949 | } ext; | |
950 | ||
951 | # ifndef OPENSSL_NO_PSK | |
8cbfcc70 RS |
952 | SSL_psk_client_cb_func psk_client_callback; |
953 | SSL_psk_server_cb_func psk_server_callback; | |
aff8c126 RS |
954 | # endif |
955 | ||
956 | # ifndef OPENSSL_NO_SRP | |
957 | SRP_CTX srp_ctx; /* ctx for SRP authentication */ | |
958 | # endif | |
b6ba4014 | 959 | |
919ba009 VD |
960 | /* Shared DANE context */ |
961 | struct dane_ctx_st dane; | |
962 | ||
b6ba4014 MC |
963 | /* SRTP profiles we are willing to do from RFC 5764 */ |
964 | STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles; | |
b6ba4014 MC |
965 | /* |
966 | * Callback for disabling session caching and ticket support on a session | |
967 | * basis, depending on the chosen cipher. | |
968 | */ | |
969 | int (*not_resumable_session_cb) (SSL *ssl, int is_forward_secure); | |
ba261f71 | 970 | |
16203f7b | 971 | CRYPTO_RWLOCK *lock; |
2faa1b48 CB |
972 | |
973 | /* | |
974 | * Callback for logging key material for use with debugging tools like | |
975 | * Wireshark. The callback should log `line` followed by a newline. | |
976 | */ | |
977 | SSL_CTX_keylog_cb_func keylog_callback; | |
3fc8d856 MC |
978 | |
979 | /* The maximum number of bytes that can be sent as early data */ | |
980 | uint32_t max_early_data; | |
c649d10d TS |
981 | |
982 | /* TLS1.3 padding callback */ | |
983 | size_t (*record_padding_cb)(SSL *s, int type, size_t len, void *arg); | |
984 | void *record_padding_arg; | |
985 | size_t block_padding; | |
b6ba4014 MC |
986 | }; |
987 | ||
b6ba4014 MC |
988 | struct ssl_st { |
989 | /* | |
990 | * protocol version (one of SSL2_VERSION, SSL3_VERSION, TLS1_VERSION, | |
991 | * DTLS1_VERSION) | |
992 | */ | |
993 | int version; | |
b6ba4014 MC |
994 | /* SSLv3 */ |
995 | const SSL_METHOD *method; | |
996 | /* | |
997 | * There are 2 BIO's even though they are normally both the same. This | |
998 | * is so data can be read and written to different handlers | |
999 | */ | |
1000 | /* used by SSL_read */ | |
1001 | BIO *rbio; | |
1002 | /* used by SSL_write */ | |
1003 | BIO *wbio; | |
1004 | /* used during session-id reuse to concatenate messages */ | |
1005 | BIO *bbio; | |
1006 | /* | |
1007 | * This holds a variable that indicates what we were doing when a 0 or -1 | |
1008 | * is returned. This is needed for non-blocking IO so we know what | |
1009 | * request needs re-doing when in SSL_accept or SSL_connect | |
1010 | */ | |
1011 | int rwstate; | |
b6ba4014 MC |
1012 | int (*handshake_func) (SSL *); |
1013 | /* | |
1014 | * Imagine that here's a boolean member "init" that is switched as soon | |
1015 | * as SSL_set_{accept/connect}_state is called for the first time, so | |
1016 | * that "state" and "handshake_func" are properly initialized. But as | |
1017 | * handshake_func is == 0 until then, we use this test instead of an | |
1018 | * "init" member. | |
1019 | */ | |
23a635c0 | 1020 | /* are we the server side? */ |
b6ba4014 MC |
1021 | int server; |
1022 | /* | |
1023 | * Generate a new session or reuse an old one. | |
1024 | * NB: For servers, the 'new' session may actually be a previously | |
1025 | * cached session or even the previous session unless | |
1026 | * SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION is set | |
1027 | */ | |
1028 | int new_session; | |
1029 | /* don't send shutdown packets */ | |
1030 | int quiet_shutdown; | |
1031 | /* we have shut things down, 0x01 sent, 0x02 for received */ | |
1032 | int shutdown; | |
1033 | /* where we are */ | |
d6f1a6e9 | 1034 | OSSL_STATEM statem; |
49e7fe12 | 1035 | SSL_EARLY_DATA_STATE early_data_state; |
b6ba4014 MC |
1036 | BUF_MEM *init_buf; /* buffer used during init */ |
1037 | void *init_msg; /* pointer to handshake message body, set by | |
1038 | * ssl3_get_message() */ | |
eda75751 MC |
1039 | size_t init_num; /* amount read/written */ |
1040 | size_t init_off; /* amount read/written */ | |
b6ba4014 MC |
1041 | struct ssl3_state_st *s3; /* SSLv3 variables */ |
1042 | struct dtls1_state_st *d1; /* DTLSv1 variables */ | |
b6ba4014 MC |
1043 | /* callback that allows applications to peek at protocol messages */ |
1044 | void (*msg_callback) (int write_p, int version, int content_type, | |
1045 | const void *buf, size_t len, SSL *ssl, void *arg); | |
1046 | void *msg_callback_arg; | |
1047 | int hit; /* reusing a previous session */ | |
1048 | X509_VERIFY_PARAM *param; | |
919ba009 | 1049 | /* Per connection DANE state */ |
b9aec69a | 1050 | SSL_DANE dane; |
b6ba4014 MC |
1051 | /* crypto */ |
1052 | STACK_OF(SSL_CIPHER) *cipher_list; | |
1053 | STACK_OF(SSL_CIPHER) *cipher_list_by_id; | |
1054 | /* | |
1055 | * These are the ones being used, the ones in SSL_SESSION are the ones to | |
1056 | * be 'copied' into these ones | |
1057 | */ | |
f7d53487 | 1058 | uint32_t mac_flags; |
34574f19 | 1059 | /* |
ec15acb6 MC |
1060 | * The TLS1.3 secrets. The resumption master secret is stored in the |
1061 | * session. | |
34574f19 MC |
1062 | */ |
1063 | unsigned char early_secret[EVP_MAX_MD_SIZE]; | |
1064 | unsigned char handshake_secret[EVP_MAX_MD_SIZE]; | |
ec15acb6 | 1065 | unsigned char master_secret[EVP_MAX_MD_SIZE]; |
6484776f MC |
1066 | unsigned char client_finished_secret[EVP_MAX_MD_SIZE]; |
1067 | unsigned char server_finished_secret[EVP_MAX_MD_SIZE]; | |
ace081c1 | 1068 | unsigned char server_finished_hash[EVP_MAX_MD_SIZE]; |
fe5e20fd | 1069 | unsigned char handshake_traffic_hash[EVP_MAX_MD_SIZE]; |
57389a32 MC |
1070 | unsigned char client_app_traffic_secret[EVP_MAX_MD_SIZE]; |
1071 | unsigned char server_app_traffic_secret[EVP_MAX_MD_SIZE]; | |
b6ba4014 | 1072 | EVP_CIPHER_CTX *enc_read_ctx; /* cryptographic state */ |
bebc0c7d | 1073 | unsigned char read_iv[EVP_MAX_IV_LENGTH]; /* TLSv1.3 static read IV */ |
b6ba4014 | 1074 | EVP_MD_CTX *read_hash; /* used for mac generation */ |
9a555706 | 1075 | COMP_CTX *compress; /* compression */ |
b6ba4014 | 1076 | COMP_CTX *expand; /* uncompress */ |
b6ba4014 | 1077 | EVP_CIPHER_CTX *enc_write_ctx; /* cryptographic state */ |
bebc0c7d | 1078 | unsigned char write_iv[EVP_MAX_IV_LENGTH]; /* TLSv1.3 static write IV */ |
b6ba4014 | 1079 | EVP_MD_CTX *write_hash; /* used for mac generation */ |
82f992cb MC |
1080 | /* Count of how many KeyUpdate messages we have received */ |
1081 | unsigned int key_update_count; | |
b6ba4014 MC |
1082 | /* session info */ |
1083 | /* client cert? */ | |
1084 | /* This is used to hold the server certificate used */ | |
1085 | struct cert_st /* CERT */ *cert; | |
2c5dfdc3 MC |
1086 | |
1087 | /* | |
1088 | * The hash of all messages prior to the CertificateVerify, and the length | |
1089 | * of that hash. | |
1090 | */ | |
1091 | unsigned char cert_verify_hash[EVP_MAX_MD_SIZE]; | |
1092 | size_t cert_verify_hash_len; | |
1093 | ||
7d061fce MC |
1094 | /* Flag to indicate whether we should send a HelloRetryRequest or not */ |
1095 | int hello_retry_request; | |
1096 | ||
b6ba4014 MC |
1097 | /* |
1098 | * the session_id_context is used to ensure sessions are only reused in | |
1099 | * the appropriate context | |
1100 | */ | |
ec60ccc1 | 1101 | size_t sid_ctx_length; |
b6ba4014 MC |
1102 | unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH]; |
1103 | /* This can also be in the session once a session is established */ | |
1104 | SSL_SESSION *session; | |
1105 | /* Default generate session ID callback. */ | |
1106 | GEN_SESSION_CB generate_session_id; | |
1107 | /* Used in SSL3 */ | |
1108 | /* | |
1109 | * 0 don't care about verify failure. | |
1110 | * 1 fail if verify fails | |
1111 | */ | |
f7d53487 | 1112 | uint32_t verify_mode; |
b6ba4014 MC |
1113 | /* fail if callback returns 0 */ |
1114 | int (*verify_callback) (int ok, X509_STORE_CTX *ctx); | |
1115 | /* optional informational callback */ | |
1116 | void (*info_callback) (const SSL *ssl, int type, int val); | |
1117 | /* error bytes to be written */ | |
1118 | int error; | |
1119 | /* actual code */ | |
1120 | int error_code; | |
a230b26e | 1121 | # ifndef OPENSSL_NO_PSK |
8cbfcc70 RS |
1122 | SSL_psk_client_cb_func psk_client_callback; |
1123 | SSL_psk_server_cb_func psk_server_callback; | |
a230b26e | 1124 | # endif |
b6ba4014 | 1125 | SSL_CTX *ctx; |
696178ed DSH |
1126 | /* Verified chain of peer */ |
1127 | STACK_OF(X509) *verified_chain; | |
b6ba4014 | 1128 | long verify_result; |
696178ed | 1129 | /* extra application data */ |
b6ba4014 MC |
1130 | CRYPTO_EX_DATA ex_data; |
1131 | /* for server side, keep the list of CA_dn we can use */ | |
fa7c2637 | 1132 | STACK_OF(X509_NAME) *ca_names; |
2f545ae4 | 1133 | CRYPTO_REF_COUNT references; |
b6ba4014 | 1134 | /* protocol behaviour */ |
f7d53487 | 1135 | uint32_t options; |
b6ba4014 | 1136 | /* API behaviour */ |
f7d53487 | 1137 | uint32_t mode; |
7946ab33 KR |
1138 | int min_proto_version; |
1139 | int max_proto_version; | |
12472b45 | 1140 | size_t max_cert_list; |
b6ba4014 | 1141 | int first_packet; |
7acb8b64 MC |
1142 | /* |
1143 | * What was passed in ClientHello.legacy_version. Used for RSA pre-master | |
1144 | * secret and SSLv3/TLS (<=1.2) rollback check | |
1145 | */ | |
b6ba4014 | 1146 | int client_version; |
d102d9df MC |
1147 | /* |
1148 | * If we're using more than one pipeline how should we divide the data | |
1149 | * up between the pipes? | |
1150 | */ | |
7ee8627f | 1151 | size_t split_send_fragment; |
d102d9df MC |
1152 | /* |
1153 | * Maximum amount of data to send in one fragment. actual record size can | |
1154 | * be more than this due to padding and MAC overheads. | |
1155 | */ | |
7ee8627f | 1156 | size_t max_send_fragment; |
d102d9df | 1157 | /* Up to how many pipelines should we use? If 0 then 1 is assumed */ |
7ee8627f | 1158 | size_t max_pipelines; |
aff8c126 RS |
1159 | |
1160 | struct { | |
b186a592 MC |
1161 | /* Built-in extension flags */ |
1162 | uint8_t extflags[TLSEXT_IDX_num_builtins]; | |
aff8c126 | 1163 | /* TLS extension debug callback */ |
1ed327f7 RS |
1164 | void (*debug_cb)(SSL *s, int client_server, int type, |
1165 | const unsigned char *data, int len, void *arg); | |
aff8c126 RS |
1166 | void *debug_arg; |
1167 | char *hostname; | |
1168 | /* certificate status request info */ | |
1169 | /* Status type or -1 if no status type */ | |
1170 | int status_type; | |
1171 | /* Raw extension data, if seen */ | |
1172 | unsigned char *scts; | |
1173 | /* Length of raw extension data, if seen */ | |
1174 | uint16_t scts_len; | |
1175 | /* Expect OCSP CertificateStatus message */ | |
1176 | int status_expected; | |
1177 | ||
1178 | struct { | |
1179 | /* OCSP status request only */ | |
1180 | STACK_OF(OCSP_RESPID) *ids; | |
1181 | X509_EXTENSIONS *exts; | |
1182 | /* OCSP response received or to be sent */ | |
1183 | unsigned char *resp; | |
1184 | size_t resp_len; | |
1185 | } ocsp; | |
1186 | ||
1187 | /* RFC4507 session ticket expected to be received or sent */ | |
1188 | int ticket_expected; | |
1189 | # ifndef OPENSSL_NO_EC | |
1190 | size_t ecpointformats_len; | |
1191 | /* our list */ | |
1192 | unsigned char *ecpointformats; | |
1193 | size_t supportedgroups_len; | |
1194 | /* our list */ | |
1195 | unsigned char *supportedgroups; | |
1196 | # endif /* OPENSSL_NO_EC */ | |
1197 | /* TLS Session Ticket extension override */ | |
1198 | TLS_SESSION_TICKET_EXT *session_ticket; | |
1199 | /* TLS Session Ticket extension callback */ | |
1200 | tls_session_ticket_ext_cb_fn session_ticket_cb; | |
1201 | void *session_ticket_cb_arg; | |
1202 | /* TLS pre-shared secret session resumption */ | |
1203 | tls_session_secret_cb_fn session_secret_cb; | |
1204 | void *session_secret_cb_arg; | |
1205 | /* | |
1206 | * For a client, this contains the list of supported protocols in wire | |
1207 | * format. | |
1208 | */ | |
1209 | unsigned char *alpn; | |
1210 | size_t alpn_len; | |
1211 | /* | |
1212 | * Next protocol negotiation. For the client, this is the protocol that | |
1213 | * we sent in NextProtocol and is set when handling ServerHello | |
1214 | * extensions. For a server, this is the client's selected_protocol from | |
1215 | * NextProtocol and is set when handling the NextProtocol message, before | |
1216 | * the Finished message. | |
1217 | */ | |
1218 | unsigned char *npn; | |
1219 | size_t npn_len; | |
b2f7e8c0 | 1220 | |
4086b42b | 1221 | /* The available PSK key exchange modes */ |
b2f7e8c0 | 1222 | int psk_kex_mode; |
28a31a0a MC |
1223 | |
1224 | /* Set to one if we have negotiated ETM */ | |
1225 | int use_etm; | |
0a87d0ac | 1226 | |
1ea4d09a MC |
1227 | /* Are we expecting to receive early data? */ |
1228 | int early_data; | |
2c604cb9 MC |
1229 | /* Is the session suitable for early data? */ |
1230 | int early_data_ok; | |
cfef5027 MC |
1231 | |
1232 | /* May be sent by a server in HRR. Must be echoed back in ClientHello */ | |
1233 | unsigned char *tls13_cookie; | |
1234 | size_t tls13_cookie_len; | |
aff8c126 RS |
1235 | } ext; |
1236 | ||
6b1bb98f BK |
1237 | /* Parsed form of the ClientHello, kept around across early_cb calls. */ |
1238 | CLIENTHELLO_MSG *clienthello; | |
1239 | ||
b6ba4014 MC |
1240 | /*- |
1241 | * no further mod of servername | |
1242 | * 0 : call the servername extension callback. | |
1243 | * 1 : prepare 2, allow last ack just after in server callback. | |
1244 | * 2 : don't call servername callback, no ack in server hello | |
1245 | */ | |
1246 | int servername_done; | |
a230b26e | 1247 | # ifndef OPENSSL_NO_CT |
ed29e82a | 1248 | /* |
a230b26e EK |
1249 | * Validates that the SCTs (Signed Certificate Timestamps) are sufficient. |
1250 | * If they are not, the connection should be aborted. | |
1251 | */ | |
43341433 | 1252 | ssl_ct_validation_cb ct_validation_callback; |
48722ff5 | 1253 | /* User-supplied argument that is passed to the ct_validation_callback */ |
ed29e82a RP |
1254 | void *ct_validation_callback_arg; |
1255 | /* | |
1256 | * Consolidated stack of SCTs from all sources. | |
1257 | * Lazily populated by CT_get_peer_scts(SSL*) | |
1258 | */ | |
1259 | STACK_OF(SCT) *scts; | |
ed29e82a RP |
1260 | /* Have we attempted to find/parse SCTs yet? */ |
1261 | int scts_parsed; | |
a230b26e | 1262 | # endif |
222da979 | 1263 | SSL_CTX *session_ctx; /* initial ctx, used to store sessions */ |
b6ba4014 MC |
1264 | /* What we'll do */ |
1265 | STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles; | |
1266 | /* What's been chosen */ | |
1267 | SRTP_PROTECTION_PROFILE *srtp_profile; | |
b6ba4014 MC |
1268 | /*- |
1269 | * 1 if we are renegotiating. | |
1270 | * 2 if we are a server and are inside a handshake | |
1271 | * (i.e. not just sending a HelloRequest) | |
1272 | */ | |
1273 | int renegotiate; | |
44c04a2e | 1274 | /* If sending a KeyUpdate is pending */ |
4fbfe86a | 1275 | int key_update; |
a230b26e | 1276 | # ifndef OPENSSL_NO_SRP |
b6ba4014 MC |
1277 | /* ctx for SRP authentication */ |
1278 | SRP_CTX srp_ctx; | |
a230b26e | 1279 | # endif |
b6ba4014 MC |
1280 | /* |
1281 | * Callback for disabling session caching and ticket support on a session | |
1282 | * basis, depending on the chosen cipher. | |
1283 | */ | |
1284 | int (*not_resumable_session_cb) (SSL *ssl, int is_forward_secure); | |
28d59af8 | 1285 | RECORD_LAYER rlayer; |
a974e64a MC |
1286 | /* Default password callback. */ |
1287 | pem_password_cb *default_passwd_callback; | |
a974e64a MC |
1288 | /* Default password callback user data. */ |
1289 | void *default_passwd_callback_userdata; | |
07bbc92c MC |
1290 | /* Async Job info */ |
1291 | ASYNC_JOB *job; | |
ff75a257 | 1292 | ASYNC_WAIT_CTX *waitctx; |
7ee8627f | 1293 | size_t asyncrw; |
eda75751 | 1294 | |
70ef40a0 | 1295 | /* The maximum number of plaintext bytes that can be sent as early data */ |
3fc8d856 | 1296 | uint32_t max_early_data; |
70ef40a0 MC |
1297 | /* |
1298 | * The number of bytes of early data received so far. If we accepted early | |
1299 | * data then this is a count of the plaintext bytes. If we rejected it then | |
1300 | * this is a count of the ciphertext bytes. | |
1301 | */ | |
1302 | uint32_t early_data_count; | |
3fc8d856 | 1303 | |
c649d10d TS |
1304 | /* TLS1.3 padding callback */ |
1305 | size_t (*record_padding_cb)(SSL *s, int type, size_t len, void *arg); | |
1306 | void *record_padding_arg; | |
1307 | size_t block_padding; | |
1308 | ||
16203f7b | 1309 | CRYPTO_RWLOCK *lock; |
b6ba4014 MC |
1310 | }; |
1311 | ||
f742cda8 DSH |
1312 | /* |
1313 | * Structure containing table entry of values associated with the signature | |
1314 | * algorithms (signature scheme) extension | |
1315 | */ | |
1316 | typedef struct sigalg_lookup_st { | |
1317 | /* TLS 1.3 signature scheme name */ | |
1318 | const char *name; | |
1319 | /* Raw value used in extension */ | |
1320 | uint16_t sigalg; | |
1321 | /* NID of hash algorithm */ | |
1322 | int hash; | |
17ae384e DSH |
1323 | /* Index of hash algorithm */ |
1324 | int hash_idx; | |
f742cda8 DSH |
1325 | /* NID of signature algorithm */ |
1326 | int sig; | |
17ae384e DSH |
1327 | /* Index of signature algorithm */ |
1328 | int sig_idx; | |
f742cda8 DSH |
1329 | /* Combined hash and signature NID, if any */ |
1330 | int sigandhash; | |
1331 | /* Required public key curve (ECDSA only) */ | |
1332 | int curve; | |
1333 | } SIGALG_LOOKUP; | |
1334 | ||
a497cf25 DSH |
1335 | typedef struct cert_pkey_st CERT_PKEY; |
1336 | ||
b6ba4014 MC |
1337 | typedef struct ssl3_state_st { |
1338 | long flags; | |
b43d1cbb | 1339 | size_t read_mac_secret_size; |
b6ba4014 | 1340 | unsigned char read_mac_secret[EVP_MAX_MD_SIZE]; |
b43d1cbb | 1341 | size_t write_mac_secret_size; |
b6ba4014 MC |
1342 | unsigned char write_mac_secret[EVP_MAX_MD_SIZE]; |
1343 | unsigned char server_random[SSL3_RANDOM_SIZE]; | |
1344 | unsigned char client_random[SSL3_RANDOM_SIZE]; | |
1345 | /* flags for countermeasure against known-IV weakness */ | |
1346 | int need_empty_fragments; | |
1347 | int empty_fragment_done; | |
b6ba4014 MC |
1348 | /* used during startup, digest all incoming/outgoing packets */ |
1349 | BIO *handshake_buffer; | |
1350 | /* | |
28ba2541 DSH |
1351 | * When handshake digest is determined, buffer is hashed and |
1352 | * freed and MD_CTX for the required digest is stored here. | |
b6ba4014 | 1353 | */ |
28ba2541 | 1354 | EVP_MD_CTX *handshake_dgst; |
b6ba4014 MC |
1355 | /* |
1356 | * Set whenever an expected ChangeCipherSpec message is processed. | |
1357 | * Unset when the peer's Finished message is received. | |
1358 | * Unexpected ChangeCipherSpec messages trigger a fatal alert. | |
1359 | */ | |
1360 | int change_cipher_spec; | |
1361 | int warn_alert; | |
1362 | int fatal_alert; | |
1363 | /* | |
1364 | * we allow one fatal and one warning alert to be outstanding, send close | |
1365 | * alert via the warning alert | |
1366 | */ | |
1367 | int alert_dispatch; | |
1368 | unsigned char send_alert[2]; | |
1369 | /* | |
1370 | * This flag is set when we should renegotiate ASAP, basically when there | |
1371 | * is no more data in the read or write buffers | |
1372 | */ | |
1373 | int renegotiate; | |
1374 | int total_renegotiations; | |
1375 | int num_renegotiations; | |
1376 | int in_read_app_data; | |
1377 | struct { | |
b6ba4014 MC |
1378 | /* actually only need to be 16+20 for SSLv3 and 12 for TLS */ |
1379 | unsigned char finish_md[EVP_MAX_MD_SIZE * 2]; | |
12472b45 | 1380 | size_t finish_md_len; |
b6ba4014 | 1381 | unsigned char peer_finish_md[EVP_MAX_MD_SIZE * 2]; |
12472b45 | 1382 | size_t peer_finish_md_len; |
eda75751 | 1383 | size_t message_size; |
b6ba4014 MC |
1384 | int message_type; |
1385 | /* used to hold the new cipher we are going to use */ | |
1386 | const SSL_CIPHER *new_cipher; | |
a230b26e EK |
1387 | # if !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_DH) |
1388 | EVP_PKEY *pkey; /* holds short lived DH/ECDH key */ | |
1389 | # endif | |
b6ba4014 MC |
1390 | /* used for certificate requests */ |
1391 | int cert_req; | |
75c13e78 DSH |
1392 | /* Certificate types in certificate request message. */ |
1393 | uint8_t *ctype; | |
1394 | size_t ctype_len; | |
fa7c2637 DSH |
1395 | /* Certificate authorities list peer sent */ |
1396 | STACK_OF(X509_NAME) *peer_ca_names; | |
8c1a5343 | 1397 | size_t key_block_length; |
b6ba4014 MC |
1398 | unsigned char *key_block; |
1399 | const EVP_CIPHER *new_sym_enc; | |
1400 | const EVP_MD *new_hash; | |
1401 | int new_mac_pkey_type; | |
b43d1cbb | 1402 | size_t new_mac_secret_size; |
a230b26e | 1403 | # ifndef OPENSSL_NO_COMP |
b6ba4014 | 1404 | const SSL_COMP *new_compression; |
a230b26e | 1405 | # else |
b6ba4014 | 1406 | char *new_compression; |
a230b26e | 1407 | # endif |
b6ba4014 | 1408 | int cert_request; |
76106e60 DSH |
1409 | /* Raw values of the cipher list from a client */ |
1410 | unsigned char *ciphers_raw; | |
1411 | size_t ciphers_rawlen; | |
1412 | /* Temporary storage for premaster secret */ | |
1413 | unsigned char *pms; | |
1414 | size_t pmslen; | |
a230b26e | 1415 | # ifndef OPENSSL_NO_PSK |
64651d39 DSH |
1416 | /* Temporary storage for PSK key */ |
1417 | unsigned char *psk; | |
1418 | size_t psklen; | |
a230b26e | 1419 | # endif |
93a77f9e DSH |
1420 | /* Signature algorithm we actually use */ |
1421 | const SIGALG_LOOKUP *sigalg; | |
a497cf25 DSH |
1422 | /* Pointer to certificate we use */ |
1423 | CERT_PKEY *cert; | |
76106e60 DSH |
1424 | /* |
1425 | * signature algorithms peer reports: e.g. supported signature | |
1426 | * algorithms extension for server or as part of a certificate | |
1427 | * request for client. | |
1428 | */ | |
98c792d1 | 1429 | uint16_t *peer_sigalgs; |
76106e60 DSH |
1430 | /* Size of above array */ |
1431 | size_t peer_sigalgslen; | |
f742cda8 DSH |
1432 | /* Sigalg peer actualy uses */ |
1433 | const SIGALG_LOOKUP *peer_sigalg; | |
6383d316 DSH |
1434 | /* |
1435 | * Set if corresponding CERT_PKEY can be used with current | |
1436 | * SSL session: e.g. appropriate curve, signature algorithms etc. | |
1437 | * If zero it can't be used at all. | |
1438 | */ | |
f7d53487 | 1439 | uint32_t valid_flags[SSL_PKEY_NUM]; |
4d69f9e6 DSH |
1440 | /* |
1441 | * For servers the following masks are for the key and auth algorithms | |
1442 | * that are supported by the certs below. For clients they are masks of | |
1443 | * *disabled* algorithms based on the current session. | |
1444 | */ | |
90d9e49a DSH |
1445 | uint32_t mask_k; |
1446 | uint32_t mask_a; | |
3eb2aff4 KR |
1447 | /* |
1448 | * The following are used by the client to see if a cipher is allowed or | |
1449 | * not. It contains the minimum and maximum version the client's using | |
1450 | * based on what it knows so far. | |
1451 | */ | |
1452 | int min_ver; | |
1453 | int max_ver; | |
b6ba4014 MC |
1454 | } tmp; |
1455 | ||
1456 | /* Connection binding to prevent renegotiation attacks */ | |
1457 | unsigned char previous_client_finished[EVP_MAX_MD_SIZE]; | |
12472b45 | 1458 | size_t previous_client_finished_len; |
b6ba4014 | 1459 | unsigned char previous_server_finished[EVP_MAX_MD_SIZE]; |
12472b45 | 1460 | size_t previous_server_finished_len; |
b6ba4014 MC |
1461 | int send_connection_binding; /* TODOEKR */ |
1462 | ||
a230b26e | 1463 | # ifndef OPENSSL_NO_NEXTPROTONEG |
b6ba4014 MC |
1464 | /* |
1465 | * Set if we saw the Next Protocol Negotiation extension from our peer. | |
1466 | */ | |
aff8c126 | 1467 | int npn_seen; |
a230b26e | 1468 | # endif |
b6ba4014 | 1469 | |
b6ba4014 MC |
1470 | /* |
1471 | * ALPN information (we are in the process of transitioning from NPN to | |
1472 | * ALPN.) | |
1473 | */ | |
1474 | ||
1475 | /* | |
1476 | * In a server these point to the selected ALPN protocol after the | |
1477 | * ClientHello has been processed. In a client these contain the protocol | |
1478 | * that the server selected once the ServerHello has been processed. | |
1479 | */ | |
1480 | unsigned char *alpn_selected; | |
817cd0d5 TS |
1481 | size_t alpn_selected_len; |
1482 | /* used by the server to know what options were proposed */ | |
1483 | unsigned char *alpn_proposed; | |
1484 | size_t alpn_proposed_len; | |
1485 | /* used by the client to know if it actually sent alpn */ | |
1486 | int alpn_sent; | |
b6ba4014 | 1487 | |
a230b26e | 1488 | # ifndef OPENSSL_NO_EC |
b6ba4014 MC |
1489 | /* |
1490 | * This is set to true if we believe that this is a version of Safari | |
1491 | * running on OS X 10.6 or newer. We wish to know this because Safari on | |
1492 | * 10.8 .. 10.8.3 has broken ECDHE-ECDSA support. | |
1493 | */ | |
1494 | char is_probably_safari; | |
a230b26e | 1495 | # endif /* !OPENSSL_NO_EC */ |
8d92c1f8 DSH |
1496 | |
1497 | /* For clients: peer temporary key */ | |
fb79abe3 | 1498 | # if !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_DH) |
bcec3358 MC |
1499 | /* The group_id for the DH/ECDH key */ |
1500 | unsigned int group_id; | |
61dd9f7a | 1501 | EVP_PKEY *peer_tmp; |
8d92c1f8 DSH |
1502 | # endif |
1503 | ||
b6ba4014 MC |
1504 | } SSL3_STATE; |
1505 | ||
b6ba4014 MC |
1506 | /* DTLS structures */ |
1507 | ||
a230b26e EK |
1508 | # ifndef OPENSSL_NO_SCTP |
1509 | # define DTLS1_SCTP_AUTH_LABEL "EXPORTER_DTLS_OVER_SCTP" | |
1510 | # endif | |
b6ba4014 MC |
1511 | |
1512 | /* Max MTU overhead we know about so far is 40 for IPv6 + 8 for UDP */ | |
a230b26e | 1513 | # define DTLS1_MAX_MTU_OVERHEAD 48 |
b6ba4014 | 1514 | |
e3d0dae7 MC |
1515 | /* |
1516 | * Flag used in message reuse to indicate the buffer contains the record | |
1517 | * header as well as the the handshake message header. | |
1518 | */ | |
a230b26e | 1519 | # define DTLS1_SKIP_RECORD_HEADER 2 |
e3d0dae7 | 1520 | |
b6ba4014 MC |
1521 | struct dtls1_retransmit_state { |
1522 | EVP_CIPHER_CTX *enc_write_ctx; /* cryptographic state */ | |
1523 | EVP_MD_CTX *write_hash; /* used for mac generation */ | |
b6ba4014 | 1524 | COMP_CTX *compress; /* compression */ |
b6ba4014 MC |
1525 | SSL_SESSION *session; |
1526 | unsigned short epoch; | |
1527 | }; | |
1528 | ||
1529 | struct hm_header_st { | |
1530 | unsigned char type; | |
7ee8627f | 1531 | size_t msg_len; |
b6ba4014 | 1532 | unsigned short seq; |
7ee8627f MC |
1533 | size_t frag_off; |
1534 | size_t frag_len; | |
b6ba4014 MC |
1535 | unsigned int is_ccs; |
1536 | struct dtls1_retransmit_state saved_retransmit_state; | |
1537 | }; | |
1538 | ||
b6ba4014 MC |
1539 | struct dtls1_timeout_st { |
1540 | /* Number of read timeouts so far */ | |
1541 | unsigned int read_timeouts; | |
1542 | /* Number of write timeouts so far */ | |
1543 | unsigned int write_timeouts; | |
1544 | /* Number of alerts received so far */ | |
1545 | unsigned int num_alerts; | |
1546 | }; | |
1547 | ||
b6ba4014 MC |
1548 | typedef struct hm_fragment_st { |
1549 | struct hm_header_st msg_header; | |
1550 | unsigned char *fragment; | |
1551 | unsigned char *reassembly; | |
1552 | } hm_fragment; | |
1553 | ||
cf2cede4 RS |
1554 | typedef struct pqueue_st pqueue; |
1555 | typedef struct pitem_st pitem; | |
1556 | ||
1557 | struct pitem_st { | |
1558 | unsigned char priority[8]; /* 64-bit value in big-endian encoding */ | |
1559 | void *data; | |
1560 | pitem *next; | |
1561 | }; | |
1562 | ||
1563 | typedef struct pitem_st *piterator; | |
1564 | ||
1565 | pitem *pitem_new(unsigned char *prio64be, void *data); | |
1566 | void pitem_free(pitem *item); | |
a230b26e | 1567 | pqueue *pqueue_new(void); |
cf2cede4 RS |
1568 | void pqueue_free(pqueue *pq); |
1569 | pitem *pqueue_insert(pqueue *pq, pitem *item); | |
1570 | pitem *pqueue_peek(pqueue *pq); | |
1571 | pitem *pqueue_pop(pqueue *pq); | |
1572 | pitem *pqueue_find(pqueue *pq, unsigned char *prio64be); | |
1573 | pitem *pqueue_iterator(pqueue *pq); | |
1574 | pitem *pqueue_next(piterator *iter); | |
8b0e934a | 1575 | size_t pqueue_size(pqueue *pq); |
cf2cede4 | 1576 | |
b6ba4014 | 1577 | typedef struct dtls1_state_st { |
b6ba4014 | 1578 | unsigned char cookie[DTLS1_COOKIE_LENGTH]; |
cb150cbc | 1579 | size_t cookie_len; |
e27f234a | 1580 | unsigned int cookie_verified; |
b6ba4014 MC |
1581 | /* handshake message numbers */ |
1582 | unsigned short handshake_write_seq; | |
1583 | unsigned short next_handshake_write_seq; | |
1584 | unsigned short handshake_read_seq; | |
b6ba4014 | 1585 | /* Buffered handshake messages */ |
cf2cede4 | 1586 | pqueue *buffered_messages; |
b6ba4014 | 1587 | /* Buffered (sent) handshake records */ |
cf2cede4 | 1588 | pqueue *sent_messages; |
7ee8627f MC |
1589 | size_t link_mtu; /* max on-the-wire DTLS packet size */ |
1590 | size_t mtu; /* max DTLS packet size */ | |
b6ba4014 MC |
1591 | struct hm_header_st w_msg_hdr; |
1592 | struct hm_header_st r_msg_hdr; | |
1593 | struct dtls1_timeout_st timeout; | |
1594 | /* | |
e72040c1 | 1595 | * Indicates when the last handshake msg sent will timeout |
b6ba4014 MC |
1596 | */ |
1597 | struct timeval next_timeout; | |
1598 | /* Timeout duration */ | |
1599 | unsigned short timeout_duration; | |
b6ba4014 | 1600 | unsigned int retransmitting; |
a230b26e | 1601 | # ifndef OPENSSL_NO_SCTP |
b6ba4014 | 1602 | int shutdown_received; |
a230b26e | 1603 | # endif |
b6ba4014 MC |
1604 | } DTLS1_STATE; |
1605 | ||
0f113f3e MC |
1606 | # ifndef OPENSSL_NO_EC |
1607 | /* | |
1608 | * From ECC-TLS draft, used in encoding the curve type in ECParameters | |
ea262260 | 1609 | */ |
0f113f3e MC |
1610 | # define EXPLICIT_PRIME_CURVE_TYPE 1 |
1611 | # define EXPLICIT_CHAR2_CURVE_TYPE 2 | |
1612 | # define NAMED_CURVE_TYPE 3 | |
1613 | # endif /* OPENSSL_NO_EC */ | |
1614 | ||
a497cf25 | 1615 | struct cert_pkey_st { |
0f113f3e MC |
1616 | X509 *x509; |
1617 | EVP_PKEY *privatekey; | |
0f113f3e MC |
1618 | /* Chain for this certificate */ |
1619 | STACK_OF(X509) *chain; | |
50e735f9 MC |
1620 | /*- |
1621 | * serverinfo data for this certificate. The data is in TLS Extension | |
1622 | * wire format, specifically it's a series of records like: | |
1623 | * uint16_t extension_type; // (RFC 5246, 7.4.1.4, Extension) | |
1624 | * uint16_t length; | |
1625 | * uint8_t data[length]; | |
1626 | */ | |
0f113f3e MC |
1627 | unsigned char *serverinfo; |
1628 | size_t serverinfo_length; | |
a497cf25 | 1629 | }; |
2ea80354 | 1630 | /* Retrieve Suite B flags */ |
0f113f3e | 1631 | # define tls1_suiteb(s) (s->cert->cert_flags & SSL_CERT_FLAG_SUITEB_128_LOS) |
2ea80354 | 1632 | /* Uses to check strict mode: suite B modes are always strict */ |
0f113f3e MC |
1633 | # define SSL_CERT_FLAGS_CHECK_TLS_STRICT \ |
1634 | (SSL_CERT_FLAG_SUITEB_128_LOS|SSL_CERT_FLAG_TLS_STRICT) | |
d02b48c6 | 1635 | |
787d9ec7 MC |
1636 | typedef enum { |
1637 | ENDPOINT_CLIENT = 0, | |
1638 | ENDPOINT_SERVER, | |
1639 | ENDPOINT_BOTH | |
1640 | } ENDPOINT; | |
1641 | ||
1642 | ||
b83294fe | 1643 | typedef struct { |
0f113f3e | 1644 | unsigned short ext_type; |
787d9ec7 | 1645 | ENDPOINT role; |
43ae5eed MC |
1646 | /* The context which this extension applies to */ |
1647 | unsigned int context; | |
0f113f3e MC |
1648 | /* |
1649 | * Per-connection flags relating to this extension type: not used if | |
1650 | * part of an SSL_CTX structure. | |
1651 | */ | |
f7d53487 | 1652 | uint32_t ext_flags; |
cd17bb19 MC |
1653 | SSL_custom_ext_add_cb_ex add_cb; |
1654 | SSL_custom_ext_free_cb_ex free_cb; | |
0f113f3e | 1655 | void *add_arg; |
cd17bb19 | 1656 | SSL_custom_ext_parse_cb_ex parse_cb; |
0f113f3e | 1657 | void *parse_arg; |
ecf4d660 | 1658 | } custom_ext_method; |
b83294fe | 1659 | |
28ea0a0c DSH |
1660 | /* ext_flags values */ |
1661 | ||
0f113f3e MC |
1662 | /* |
1663 | * Indicates an extension has been received. Used to check for unsolicited or | |
1664 | * duplicate extensions. | |
28ea0a0c | 1665 | */ |
0f113f3e MC |
1666 | # define SSL_EXT_FLAG_RECEIVED 0x1 |
1667 | /* | |
1668 | * Indicates an extension has been sent: used to enable sending of | |
1669 | * corresponding ServerHello extension. | |
28ea0a0c | 1670 | */ |
0f113f3e | 1671 | # define SSL_EXT_FLAG_SENT 0x2 |
28ea0a0c | 1672 | |
b83294fe | 1673 | typedef struct { |
0f113f3e MC |
1674 | custom_ext_method *meths; |
1675 | size_t meths_count; | |
ecf4d660 | 1676 | } custom_ext_methods; |
b83294fe | 1677 | |
0f113f3e MC |
1678 | typedef struct cert_st { |
1679 | /* Current active set */ | |
1680 | /* | |
1681 | * ALWAYS points to an element of the pkeys array | |
1682 | * Probably it would make more sense to store | |
1683 | * an index, not a pointer. | |
1684 | */ | |
1685 | CERT_PKEY *key; | |
0f113f3e | 1686 | # ifndef OPENSSL_NO_DH |
e2b420fd | 1687 | EVP_PKEY *dh_tmp; |
0f113f3e MC |
1688 | DH *(*dh_tmp_cb) (SSL *ssl, int is_export, int keysize); |
1689 | int dh_tmp_auto; | |
0f113f3e MC |
1690 | # endif |
1691 | /* Flags related to certificates */ | |
f7d53487 | 1692 | uint32_t cert_flags; |
0f113f3e | 1693 | CERT_PKEY pkeys[SSL_PKEY_NUM]; |
75c13e78 DSH |
1694 | /* Custom certificate types sent in certificate request message. */ |
1695 | uint8_t *ctype; | |
1696 | size_t ctype_len; | |
0f113f3e | 1697 | /* |
60250017 | 1698 | * supported signature algorithms. When set on a client this is sent in |
0f113f3e MC |
1699 | * the client hello as the supported signature algorithms extension. For |
1700 | * servers it represents the signature algorithms we are willing to use. | |
1701 | */ | |
98c792d1 | 1702 | uint16_t *conf_sigalgs; |
0f113f3e MC |
1703 | /* Size of above array */ |
1704 | size_t conf_sigalgslen; | |
1705 | /* | |
1706 | * Client authentication signature algorithms, if not set then uses | |
1707 | * conf_sigalgs. On servers these will be the signature algorithms sent | |
48722ff5 F |
1708 | * to the client in a certificate request for TLS 1.2. On a client this |
1709 | * represents the signature algorithms we are willing to use for client | |
0f113f3e MC |
1710 | * authentication. |
1711 | */ | |
98c792d1 | 1712 | uint16_t *client_sigalgs; |
0f113f3e MC |
1713 | /* Size of above array */ |
1714 | size_t client_sigalgslen; | |
1715 | /* | |
1716 | * Signature algorithms shared by client and server: cached because these | |
1717 | * are used most often. | |
1718 | */ | |
4d43ee28 | 1719 | const SIGALG_LOOKUP **shared_sigalgs; |
0f113f3e MC |
1720 | size_t shared_sigalgslen; |
1721 | /* | |
1722 | * Certificate setup callback: if set is called whenever a certificate | |
1723 | * may be required (client or server). the callback can then examine any | |
1724 | * appropriate parameters and setup any certificates required. This | |
1725 | * allows advanced applications to select certificates on the fly: for | |
1726 | * example based on supported signature algorithms or curves. | |
1727 | */ | |
1728 | int (*cert_cb) (SSL *ssl, void *arg); | |
1729 | void *cert_cb_arg; | |
1730 | /* | |
1731 | * Optional X509_STORE for chain building or certificate validation If | |
1732 | * NULL the parent SSL_CTX store is used instead. | |
1733 | */ | |
1734 | X509_STORE *chain_store; | |
1735 | X509_STORE *verify_store; | |
43ae5eed MC |
1736 | /* Custom extensions */ |
1737 | custom_ext_methods custext; | |
0f113f3e | 1738 | /* Security callback */ |
e4646a89 | 1739 | int (*sec_cb) (const SSL *s, const SSL_CTX *ctx, int op, int bits, int nid, |
0f113f3e MC |
1740 | void *other, void *ex); |
1741 | /* Security level */ | |
1742 | int sec_level; | |
1743 | void *sec_ex; | |
a230b26e | 1744 | # ifndef OPENSSL_NO_PSK |
df6da24b DSH |
1745 | /* If not NULL psk identity hint to use for servers */ |
1746 | char *psk_identity_hint; | |
a230b26e | 1747 | # endif |
2f545ae4 | 1748 | CRYPTO_REF_COUNT references; /* >1 only if SSL_copy_session_id is used */ |
16203f7b | 1749 | CRYPTO_RWLOCK *lock; |
0f113f3e MC |
1750 | } CERT; |
1751 | ||
0f113f3e | 1752 | # define FP_ICC (int (*)(const void *,const void *)) |
0f113f3e MC |
1753 | |
1754 | /* | |
1755 | * This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff It is a bit | |
1756 | * of a mess of functions, but hell, think of it as an opaque structure :-) | |
1757 | */ | |
1758 | typedef struct ssl3_enc_method { | |
72716e79 | 1759 | int (*enc) (SSL *, SSL3_RECORD *, size_t, int); |
d102d9df | 1760 | int (*mac) (SSL *, SSL3_RECORD *, unsigned char *, int); |
0f113f3e MC |
1761 | int (*setup_key_block) (SSL *); |
1762 | int (*generate_master_secret) (SSL *, unsigned char *, unsigned char *, | |
8c1a5343 | 1763 | size_t, size_t *); |
0f113f3e | 1764 | int (*change_cipher_state) (SSL *, int); |
6db6bc5a | 1765 | size_t (*final_finish_mac) (SSL *, const char *, size_t, unsigned char *); |
0f113f3e | 1766 | const char *client_finished_label; |
8b0e934a | 1767 | size_t client_finished_label_len; |
0f113f3e | 1768 | const char *server_finished_label; |
8b0e934a | 1769 | size_t server_finished_label_len; |
0f113f3e MC |
1770 | int (*alert_value) (int); |
1771 | int (*export_keying_material) (SSL *, unsigned char *, size_t, | |
1772 | const char *, size_t, | |
1773 | const unsigned char *, size_t, | |
1774 | int use_context); | |
1775 | /* Various flags indicating protocol version requirements */ | |
f7d53487 | 1776 | uint32_t enc_flags; |
0f113f3e | 1777 | /* Set the handshake header */ |
a29fa98c | 1778 | int (*set_handshake_header) (SSL *s, WPACKET *pkt, int type); |
2c7b4dbc | 1779 | /* Close construction of the handshake message */ |
4a01c59f | 1780 | int (*close_construct_packet) (SSL *s, WPACKET *pkt, int htype); |
0f113f3e MC |
1781 | /* Write out handshake message */ |
1782 | int (*do_write) (SSL *s); | |
1783 | } SSL3_ENC_METHOD; | |
1784 | ||
a29fa98c MC |
1785 | # define ssl_set_handshake_header(s, pkt, htype) \ |
1786 | s->method->ssl3_enc->set_handshake_header((s), (pkt), (htype)) | |
4a01c59f MC |
1787 | # define ssl_close_construct_packet(s, pkt, htype) \ |
1788 | s->method->ssl3_enc->close_construct_packet((s), (pkt), (htype)) | |
0f113f3e | 1789 | # define ssl_do_write(s) s->method->ssl3_enc->do_write(s) |
173e72e6 DSH |
1790 | |
1791 | /* Values for enc_flags */ | |
1792 | ||
1793 | /* Uses explicit IV for CBC mode */ | |
0f113f3e | 1794 | # define SSL_ENC_FLAG_EXPLICIT_IV 0x1 |
173e72e6 | 1795 | /* Uses signature algorithms extension */ |
0f113f3e | 1796 | # define SSL_ENC_FLAG_SIGALGS 0x2 |
cbd64894 | 1797 | /* Uses SHA256 default PRF */ |
0f113f3e | 1798 | # define SSL_ENC_FLAG_SHA256_PRF 0x4 |
173e72e6 | 1799 | /* Is DTLS */ |
0f113f3e MC |
1800 | # define SSL_ENC_FLAG_DTLS 0x8 |
1801 | /* | |
1802 | * Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2: may | |
1803 | * apply to others in future. | |
4221c0dd | 1804 | */ |
0f113f3e | 1805 | # define SSL_ENC_FLAG_TLS1_2_CIPHERS 0x10 |
173e72e6 | 1806 | |
0f113f3e | 1807 | # ifndef OPENSSL_NO_COMP |
651d0aff | 1808 | /* Used for holding the relevant compression methods loaded into SSL_CTX */ |
0f113f3e MC |
1809 | typedef struct ssl3_comp_st { |
1810 | int comp_id; /* The identifier byte for this compression | |
1811 | * type */ | |
1812 | char *name; /* Text name used for the compression type */ | |
1813 | COMP_METHOD *method; /* The method :-) */ | |
1814 | } SSL3_COMP; | |
1815 | # endif | |
dfeab068 | 1816 | |
f7f2a01d MC |
1817 | typedef enum downgrade_en { |
1818 | DOWNGRADE_NONE, | |
1819 | DOWNGRADE_TO_1_2, | |
1820 | DOWNGRADE_TO_1_1 | |
1821 | } DOWNGRADE; | |
1822 | ||
cbb09544 MC |
1823 | /* |
1824 | * Dummy status type for the status_type extension. Indicates no status type | |
1825 | * set | |
1826 | */ | |
1827 | #define TLSEXT_STATUSTYPE_nothing -1 | |
1828 | ||
703bcee0 MC |
1829 | /* Sigalgs values */ |
1830 | #define TLSEXT_SIGALG_ecdsa_secp256r1_sha256 0x0403 | |
1831 | #define TLSEXT_SIGALG_ecdsa_secp384r1_sha384 0x0503 | |
1832 | #define TLSEXT_SIGALG_ecdsa_secp521r1_sha512 0x0603 | |
d8311fc9 | 1833 | #define TLSEXT_SIGALG_ecdsa_sha224 0x0303 |
703bcee0 MC |
1834 | #define TLSEXT_SIGALG_ecdsa_sha1 0x0203 |
1835 | #define TLSEXT_SIGALG_rsa_pss_sha256 0x0804 | |
1836 | #define TLSEXT_SIGALG_rsa_pss_sha384 0x0805 | |
1837 | #define TLSEXT_SIGALG_rsa_pss_sha512 0x0806 | |
1838 | #define TLSEXT_SIGALG_rsa_pkcs1_sha256 0x0401 | |
1839 | #define TLSEXT_SIGALG_rsa_pkcs1_sha384 0x0501 | |
1840 | #define TLSEXT_SIGALG_rsa_pkcs1_sha512 0x0601 | |
d8311fc9 | 1841 | #define TLSEXT_SIGALG_rsa_pkcs1_sha224 0x0301 |
703bcee0 MC |
1842 | #define TLSEXT_SIGALG_rsa_pkcs1_sha1 0x0201 |
1843 | #define TLSEXT_SIGALG_dsa_sha256 0x0402 | |
1844 | #define TLSEXT_SIGALG_dsa_sha384 0x0502 | |
1845 | #define TLSEXT_SIGALG_dsa_sha512 0x0602 | |
d8311fc9 | 1846 | #define TLSEXT_SIGALG_dsa_sha224 0x0302 |
703bcee0 MC |
1847 | #define TLSEXT_SIGALG_dsa_sha1 0x0202 |
1848 | #define TLSEXT_SIGALG_gostr34102012_256_gostr34112012_256 0xeeee | |
1849 | #define TLSEXT_SIGALG_gostr34102012_512_gostr34112012_512 0xefef | |
1850 | #define TLSEXT_SIGALG_gostr34102001_gostr3411 0xeded | |
1851 | ||
b2f7e8c0 MC |
1852 | /* Known PSK key exchange modes */ |
1853 | #define TLSEXT_KEX_MODE_KE 0x00 | |
1854 | #define TLSEXT_KEX_MODE_KE_DHE 0x01 | |
1855 | ||
1856 | /* | |
1857 | * Internal representations of key exchange modes | |
1858 | */ | |
1859 | #define TLSEXT_KEX_MODE_FLAG_NONE 0 | |
1860 | #define TLSEXT_KEX_MODE_FLAG_KE 1 | |
1861 | #define TLSEXT_KEX_MODE_FLAG_KE_DHE 2 | |
1862 | ||
ec15acb6 MC |
1863 | /* An invalid index into the TLSv1.3 PSK identities */ |
1864 | #define TLSEXT_PSK_BAD_IDENTITY -1 | |
1865 | ||
f742cda8 DSH |
1866 | #define SSL_USE_PSS(s) (s->s3->tmp.peer_sigalg != NULL && \ |
1867 | s->s3->tmp.peer_sigalg->sig == EVP_PKEY_RSA_PSS) | |
fe3066ee | 1868 | |
703bcee0 MC |
1869 | /* A dummy signature value not valid for TLSv1.2 signature algs */ |
1870 | #define TLSEXT_signature_rsa_pss 0x0101 | |
1871 | ||
643a3580 MC |
1872 | /* TLSv1.3 downgrade protection sentinel values */ |
1873 | extern const unsigned char tls11downgrade[8]; | |
1874 | extern const unsigned char tls12downgrade[8]; | |
703bcee0 | 1875 | |
3ed449e9 | 1876 | extern SSL3_ENC_METHOD ssl3_undef_enc_method; |
7d7d2cbc | 1877 | |
2b8fa1d5 KR |
1878 | __owur const SSL_METHOD *ssl_bad_method(int ver); |
1879 | __owur const SSL_METHOD *sslv3_method(void); | |
1880 | __owur const SSL_METHOD *sslv3_server_method(void); | |
1881 | __owur const SSL_METHOD *sslv3_client_method(void); | |
1882 | __owur const SSL_METHOD *tlsv1_method(void); | |
1883 | __owur const SSL_METHOD *tlsv1_server_method(void); | |
1884 | __owur const SSL_METHOD *tlsv1_client_method(void); | |
1885 | __owur const SSL_METHOD *tlsv1_1_method(void); | |
1886 | __owur const SSL_METHOD *tlsv1_1_server_method(void); | |
1887 | __owur const SSL_METHOD *tlsv1_1_client_method(void); | |
1888 | __owur const SSL_METHOD *tlsv1_2_method(void); | |
1889 | __owur const SSL_METHOD *tlsv1_2_server_method(void); | |
1890 | __owur const SSL_METHOD *tlsv1_2_client_method(void); | |
582a17d6 MC |
1891 | __owur const SSL_METHOD *tlsv1_3_method(void); |
1892 | __owur const SSL_METHOD *tlsv1_3_server_method(void); | |
1893 | __owur const SSL_METHOD *tlsv1_3_client_method(void); | |
2b8fa1d5 KR |
1894 | __owur const SSL_METHOD *dtlsv1_method(void); |
1895 | __owur const SSL_METHOD *dtlsv1_server_method(void); | |
1896 | __owur const SSL_METHOD *dtlsv1_client_method(void); | |
032924c4 | 1897 | __owur const SSL_METHOD *dtls_bad_ver_client_method(void); |
2b8fa1d5 KR |
1898 | __owur const SSL_METHOD *dtlsv1_2_method(void); |
1899 | __owur const SSL_METHOD *dtlsv1_2_server_method(void); | |
1900 | __owur const SSL_METHOD *dtlsv1_2_client_method(void); | |
d02b48c6 | 1901 | |
161e0a61 BL |
1902 | extern const SSL3_ENC_METHOD TLSv1_enc_data; |
1903 | extern const SSL3_ENC_METHOD TLSv1_1_enc_data; | |
1904 | extern const SSL3_ENC_METHOD TLSv1_2_enc_data; | |
582a17d6 | 1905 | extern const SSL3_ENC_METHOD TLSv1_3_enc_data; |
8892ce77 BL |
1906 | extern const SSL3_ENC_METHOD SSLv3_enc_data; |
1907 | extern const SSL3_ENC_METHOD DTLSv1_enc_data; | |
1908 | extern const SSL3_ENC_METHOD DTLSv1_2_enc_data; | |
f3b656b2 | 1909 | |
4fa52141 VD |
1910 | /* |
1911 | * Flags for SSL methods | |
1912 | */ | |
a230b26e EK |
1913 | # define SSL_METHOD_NO_FIPS (1U<<0) |
1914 | # define SSL_METHOD_NO_SUITEB (1U<<1) | |
4fa52141 VD |
1915 | |
1916 | # define IMPLEMENT_tls_meth_func(version, flags, mask, func_name, s_accept, \ | |
ccae4a15 | 1917 | s_connect, enc_data) \ |
4ebb342f | 1918 | const SSL_METHOD *func_name(void) \ |
0f113f3e MC |
1919 | { \ |
1920 | static const SSL_METHOD func_name##_data= { \ | |
1921 | version, \ | |
4fa52141 VD |
1922 | flags, \ |
1923 | mask, \ | |
0f113f3e MC |
1924 | tls1_new, \ |
1925 | tls1_clear, \ | |
1926 | tls1_free, \ | |
1927 | s_accept, \ | |
1928 | s_connect, \ | |
1929 | ssl3_read, \ | |
1930 | ssl3_peek, \ | |
1931 | ssl3_write, \ | |
1932 | ssl3_shutdown, \ | |
1933 | ssl3_renegotiate, \ | |
1934 | ssl3_renegotiate_check, \ | |
0f113f3e MC |
1935 | ssl3_read_bytes, \ |
1936 | ssl3_write_bytes, \ | |
1937 | ssl3_dispatch_alert, \ | |
1938 | ssl3_ctrl, \ | |
1939 | ssl3_ctx_ctrl, \ | |
1940 | ssl3_get_cipher_by_char, \ | |
1941 | ssl3_put_cipher_by_char, \ | |
1942 | ssl3_pending, \ | |
1943 | ssl3_num_ciphers, \ | |
1944 | ssl3_get_cipher, \ | |
0f113f3e MC |
1945 | tls1_default_timeout, \ |
1946 | &enc_data, \ | |
1947 | ssl_undefined_void_function, \ | |
1948 | ssl3_callback_ctrl, \ | |
1949 | ssl3_ctx_callback_ctrl, \ | |
1950 | }; \ | |
1951 | return &func_name##_data; \ | |
1952 | } | |
1953 | ||
ccae4a15 | 1954 | # define IMPLEMENT_ssl3_meth_func(func_name, s_accept, s_connect) \ |
4ebb342f | 1955 | const SSL_METHOD *func_name(void) \ |
0f113f3e MC |
1956 | { \ |
1957 | static const SSL_METHOD func_name##_data= { \ | |
1958 | SSL3_VERSION, \ | |
4fa52141 VD |
1959 | SSL_METHOD_NO_FIPS | SSL_METHOD_NO_SUITEB, \ |
1960 | SSL_OP_NO_SSLv3, \ | |
0f113f3e MC |
1961 | ssl3_new, \ |
1962 | ssl3_clear, \ | |
1963 | ssl3_free, \ | |
1964 | s_accept, \ | |
1965 | s_connect, \ | |
1966 | ssl3_read, \ | |
1967 | ssl3_peek, \ | |
1968 | ssl3_write, \ | |
1969 | ssl3_shutdown, \ | |
1970 | ssl3_renegotiate, \ | |
1971 | ssl3_renegotiate_check, \ | |
0f113f3e MC |
1972 | ssl3_read_bytes, \ |
1973 | ssl3_write_bytes, \ | |
1974 | ssl3_dispatch_alert, \ | |
1975 | ssl3_ctrl, \ | |
1976 | ssl3_ctx_ctrl, \ | |
1977 | ssl3_get_cipher_by_char, \ | |
1978 | ssl3_put_cipher_by_char, \ | |
1979 | ssl3_pending, \ | |
1980 | ssl3_num_ciphers, \ | |
1981 | ssl3_get_cipher, \ | |
0f113f3e MC |
1982 | ssl3_default_timeout, \ |
1983 | &SSLv3_enc_data, \ | |
1984 | ssl_undefined_void_function, \ | |
1985 | ssl3_callback_ctrl, \ | |
1986 | ssl3_ctx_callback_ctrl, \ | |
1987 | }; \ | |
1988 | return &func_name##_data; \ | |
1989 | } | |
1990 | ||
4fa52141 | 1991 | # define IMPLEMENT_dtls1_meth_func(version, flags, mask, func_name, s_accept, \ |
ccae4a15 | 1992 | s_connect, enc_data) \ |
4ebb342f | 1993 | const SSL_METHOD *func_name(void) \ |
0f113f3e MC |
1994 | { \ |
1995 | static const SSL_METHOD func_name##_data= { \ | |
1996 | version, \ | |
4fa52141 VD |
1997 | flags, \ |
1998 | mask, \ | |
0f113f3e MC |
1999 | dtls1_new, \ |
2000 | dtls1_clear, \ | |
2001 | dtls1_free, \ | |
2002 | s_accept, \ | |
2003 | s_connect, \ | |
2004 | ssl3_read, \ | |
2005 | ssl3_peek, \ | |
2006 | ssl3_write, \ | |
2007 | dtls1_shutdown, \ | |
2008 | ssl3_renegotiate, \ | |
2009 | ssl3_renegotiate_check, \ | |
0f113f3e MC |
2010 | dtls1_read_bytes, \ |
2011 | dtls1_write_app_data_bytes, \ | |
2012 | dtls1_dispatch_alert, \ | |
2013 | dtls1_ctrl, \ | |
2014 | ssl3_ctx_ctrl, \ | |
2015 | ssl3_get_cipher_by_char, \ | |
2016 | ssl3_put_cipher_by_char, \ | |
2017 | ssl3_pending, \ | |
2018 | ssl3_num_ciphers, \ | |
ca3895f0 | 2019 | ssl3_get_cipher, \ |
0f113f3e MC |
2020 | dtls1_default_timeout, \ |
2021 | &enc_data, \ | |
2022 | ssl_undefined_void_function, \ | |
2023 | ssl3_callback_ctrl, \ | |
2024 | ssl3_ctx_callback_ctrl, \ | |
2025 | }; \ | |
2026 | return &func_name##_data; \ | |
2027 | } | |
2028 | ||
2029 | struct openssl_ssl_test_functions { | |
46417569 | 2030 | int (*p_ssl_init_wbio_buffer) (SSL *s); |
0f113f3e | 2031 | int (*p_ssl3_setup_buffers) (SSL *s); |
0f113f3e MC |
2032 | }; |
2033 | ||
3eb2aff4 | 2034 | const char *ssl_protocol_to_string(int version); |
7d650072 | 2035 | |
4020c0b3 DSH |
2036 | /* Returns true if certificate and private key for 'idx' are present */ |
2037 | static ossl_inline int ssl_has_cert(const SSL *s, int idx) | |
2038 | { | |
2039 | if (idx < 0 || idx >= SSL_PKEY_NUM) | |
2040 | return 0; | |
2041 | return s->cert->pkeys[idx].x509 != NULL | |
2042 | && s->cert->pkeys[idx].privatekey != NULL; | |
2043 | } | |
2044 | ||
0f113f3e | 2045 | # ifndef OPENSSL_UNIT_TEST |
e0fc7961 | 2046 | |
4ee7d3f9 KR |
2047 | __owur int ssl_read_internal(SSL *s, void *buf, size_t num, size_t *readbytes); |
2048 | __owur int ssl_write_internal(SSL *s, const void *buf, size_t num, size_t *written); | |
d02b48c6 RE |
2049 | void ssl_clear_cipher_ctx(SSL *s); |
2050 | int ssl_clear_bad_session(SSL *s); | |
4bcdb4a6 MC |
2051 | __owur CERT *ssl_cert_new(void); |
2052 | __owur CERT *ssl_cert_dup(CERT *cert); | |
a5ee80b9 | 2053 | void ssl_cert_clear_certs(CERT *c); |
d02b48c6 | 2054 | void ssl_cert_free(CERT *c); |
4bcdb4a6 | 2055 | __owur int ssl_get_new_session(SSL *s, int session); |
1a9f457c | 2056 | __owur int ssl_get_prev_session(SSL *s, CLIENTHELLO_MSG *hello, int *al); |
98ece4ee | 2057 | __owur SSL_SESSION *ssl_session_dup(SSL_SESSION *src, int ticket); |
4bcdb4a6 | 2058 | __owur int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b); |
0f113f3e | 2059 | DECLARE_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, ssl_cipher_id); |
4bcdb4a6 | 2060 | __owur int ssl_cipher_ptr_id_cmp(const SSL_CIPHER *const *ap, |
a230b26e | 2061 | const SSL_CIPHER *const *bp); |
4bcdb4a6 | 2062 | __owur STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *meth, |
a230b26e EK |
2063 | STACK_OF(SSL_CIPHER) **pref, |
2064 | STACK_OF(SSL_CIPHER) | |
2065 | **sorted, | |
2066 | const char *rule_str, | |
2067 | CERT *c); | |
90134d98 BK |
2068 | __owur int ssl_cache_cipherlist(SSL *s, PACKET *cipher_suites, |
2069 | int sslv2format, int *al); | |
2070 | __owur int bytes_to_cipher_list(SSL *s, PACKET *cipher_suites, | |
2071 | STACK_OF(SSL_CIPHER) **skp, | |
2072 | STACK_OF(SSL_CIPHER) **scsvs, int sslv2format, | |
2073 | int *al); | |
d02b48c6 | 2074 | void ssl_update_cache(SSL *s, int mode); |
4bcdb4a6 | 2075 | __owur int ssl_cipher_get_evp(const SSL_SESSION *s, const EVP_CIPHER **enc, |
a230b26e | 2076 | const EVP_MD **md, int *mac_pkey_type, |
8c1a5343 | 2077 | size_t *mac_secret_size, SSL_COMP **comp, |
a230b26e | 2078 | int use_etm); |
045bd047 DW |
2079 | __owur int ssl_cipher_get_overhead(const SSL_CIPHER *c, size_t *mac_overhead, |
2080 | size_t *int_overhead, size_t *blocksize, | |
2081 | size_t *ext_overhead); | |
4bcdb4a6 | 2082 | __owur int ssl_cipher_get_cert_index(const SSL_CIPHER *c); |
a230b26e | 2083 | __owur const SSL_CIPHER *ssl_get_cipher_by_char(SSL *ssl, |
60d685d1 BK |
2084 | const unsigned char *ptr, |
2085 | int all); | |
4bcdb4a6 MC |
2086 | __owur int ssl_cert_set0_chain(SSL *s, SSL_CTX *ctx, STACK_OF(X509) *chain); |
2087 | __owur int ssl_cert_set1_chain(SSL *s, SSL_CTX *ctx, STACK_OF(X509) *chain); | |
2088 | __owur int ssl_cert_add0_chain_cert(SSL *s, SSL_CTX *ctx, X509 *x); | |
2089 | __owur int ssl_cert_add1_chain_cert(SSL *s, SSL_CTX *ctx, X509 *x); | |
2090 | __owur int ssl_cert_select_current(CERT *c, X509 *x); | |
2091 | __owur int ssl_cert_set_current(CERT *c, long arg); | |
2092 | __owur X509 *ssl_cert_get0_next_certificate(CERT *c, int first); | |
a230b26e | 2093 | void ssl_cert_set_cert_cb(CERT *c, int (*cb) (SSL *ssl, void *arg), void *arg); |
f71c6e52 | 2094 | |
4bcdb4a6 | 2095 | __owur int ssl_verify_cert_chain(SSL *s, STACK_OF(X509) *sk); |
4bcdb4a6 | 2096 | __owur int ssl_build_cert_chain(SSL *s, SSL_CTX *ctx, int flags); |
a230b26e EK |
2097 | __owur int ssl_cert_set_cert_store(CERT *c, X509_STORE *store, int chain, |
2098 | int ref); | |
b362ccab | 2099 | |
e4646a89 | 2100 | __owur int ssl_security(const SSL *s, int op, int bits, int nid, void *other); |
a230b26e EK |
2101 | __owur int ssl_ctx_security(const SSL_CTX *ctx, int op, int bits, int nid, |
2102 | void *other); | |
b362ccab | 2103 | |
d02b48c6 | 2104 | int ssl_undefined_function(SSL *s); |
4bcdb4a6 MC |
2105 | __owur int ssl_undefined_void_function(void); |
2106 | __owur int ssl_undefined_const_function(const SSL *s); | |
a230b26e EK |
2107 | __owur int ssl_get_server_cert_serverinfo(SSL *s, |
2108 | const unsigned char **serverinfo, | |
2109 | size_t *serverinfo_length); | |
2e5ead83 | 2110 | __owur int ssl_cert_type(const X509 *x, const EVP_PKEY *pkey); |
2cf28d61 | 2111 | void ssl_set_masks(SSL *s); |
4bcdb4a6 MC |
2112 | __owur STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s); |
2113 | __owur int ssl_verify_alarm_type(long type); | |
748f2546 | 2114 | void ssl_sort_cipher_list(void); |
380a522f | 2115 | int ssl_load_ciphers(void); |
a230b26e | 2116 | __owur int ssl_fill_hello_random(SSL *s, int server, unsigned char *field, |
f7f2a01d | 2117 | size_t len, DOWNGRADE dgrd); |
57b272b0 DSH |
2118 | __owur int ssl_generate_master_secret(SSL *s, unsigned char *pms, size_t pmslen, |
2119 | int free_pms); | |
0a699a07 | 2120 | __owur EVP_PKEY *ssl_generate_pkey(EVP_PKEY *pm); |
0f1e51ea MC |
2121 | __owur int ssl_derive(SSL *s, EVP_PKEY *privkey, EVP_PKEY *pubkey, |
2122 | int genmaster); | |
6c4e6670 | 2123 | __owur EVP_PKEY *ssl_dh_to_pkey(DH *dh); |
d02b48c6 | 2124 | |
ec15acb6 | 2125 | __owur const SSL_CIPHER *ssl3_get_cipher_by_id(uint32_t id); |
4bcdb4a6 | 2126 | __owur const SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p); |
ae2f7b37 | 2127 | __owur int ssl3_put_cipher_by_char(const SSL_CIPHER *c, WPACKET *pkt, |
2c7b4dbc | 2128 | size_t *len); |
2c4a056f | 2129 | int ssl3_init_finished_mac(SSL *s); |
4bcdb4a6 | 2130 | __owur int ssl3_setup_key_block(SSL *s); |
4bcdb4a6 | 2131 | __owur int ssl3_change_cipher_state(SSL *s, int which); |
d02b48c6 | 2132 | void ssl3_cleanup_key_block(SSL *s); |
4bcdb4a6 | 2133 | __owur int ssl3_do_write(SSL *s, int type); |
0f113f3e | 2134 | int ssl3_send_alert(SSL *s, int level, int desc); |
4bcdb4a6 | 2135 | __owur int ssl3_generate_master_secret(SSL *s, unsigned char *out, |
8c1a5343 MC |
2136 | unsigned char *p, size_t len, |
2137 | size_t *secret_size); | |
28ff8ef3 | 2138 | __owur int ssl3_get_req_cert_type(SSL *s, WPACKET *pkt); |
4bcdb4a6 MC |
2139 | __owur int ssl3_num_ciphers(void); |
2140 | __owur const SSL_CIPHER *ssl3_get_cipher(unsigned int u); | |
0f113f3e | 2141 | int ssl3_renegotiate(SSL *ssl); |
c7f47786 | 2142 | int ssl3_renegotiate_check(SSL *ssl, int initok); |
4bcdb4a6 | 2143 | __owur int ssl3_dispatch_alert(SSL *s); |
6db6bc5a | 2144 | __owur size_t ssl3_final_finish_mac(SSL *s, const char *sender, size_t slen, |
12472b45 | 2145 | unsigned char *p); |
7ee8627f | 2146 | __owur int ssl3_finish_mac(SSL *s, const unsigned char *buf, size_t len); |
81025661 | 2147 | void ssl3_free_digest_list(SSL *s); |
7cea05dc | 2148 | __owur unsigned long ssl3_output_cert_chain(SSL *s, WPACKET *pkt, |
e96e0f8e | 2149 | CERT_PKEY *cpk, int *al); |
4a640fb6 DSH |
2150 | __owur const SSL_CIPHER *ssl3_choose_cipher(SSL *ssl, |
2151 | STACK_OF(SSL_CIPHER) *clnt, | |
2152 | STACK_OF(SSL_CIPHER) *srvr); | |
124037fd | 2153 | __owur int ssl3_digest_cached_records(SSL *s, int keep); |
4bcdb4a6 | 2154 | __owur int ssl3_new(SSL *s); |
0f113f3e | 2155 | void ssl3_free(SSL *s); |
54105ddd MC |
2156 | __owur int ssl3_read(SSL *s, void *buf, size_t len, size_t *readbytes); |
2157 | __owur int ssl3_peek(SSL *s, void *buf, size_t len, size_t *readbytes); | |
7ee8627f | 2158 | __owur int ssl3_write(SSL *s, const void *buf, size_t len, size_t *written); |
4bcdb4a6 | 2159 | __owur int ssl3_shutdown(SSL *s); |
b77f3ed1 | 2160 | int ssl3_clear(SSL *s); |
4bcdb4a6 MC |
2161 | __owur long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg); |
2162 | __owur long ssl3_ctx_ctrl(SSL_CTX *s, int cmd, long larg, void *parg); | |
2163 | __owur long ssl3_callback_ctrl(SSL *s, int cmd, void (*fp) (void)); | |
2164 | __owur long ssl3_ctx_callback_ctrl(SSL_CTX *s, int cmd, void (*fp) (void)); | |
d02b48c6 | 2165 | |
4bcdb4a6 MC |
2166 | __owur int ssl3_do_change_cipher_spec(SSL *ssl); |
2167 | __owur long ssl3_default_timeout(void); | |
f3b656b2 | 2168 | |
a29fa98c | 2169 | __owur int ssl3_set_handshake_header(SSL *s, WPACKET *pkt, int htype); |
4a01c59f | 2170 | __owur int tls_close_construct_packet(SSL *s, WPACKET *pkt, int htype); |
c7f47786 | 2171 | __owur int tls_setup_handshake(SSL *s); |
a29fa98c | 2172 | __owur int dtls1_set_handshake_header(SSL *s, WPACKET *pkt, int htype); |
4a01c59f | 2173 | __owur int dtls1_close_construct_packet(SSL *s, WPACKET *pkt, int htype); |
4bcdb4a6 MC |
2174 | __owur int ssl3_handshake_write(SSL *s); |
2175 | ||
4bcdb4a6 MC |
2176 | __owur int ssl_allow_compression(SSL *s); |
2177 | ||
ccae4a15 FI |
2178 | __owur int ssl_version_supported(const SSL *s, int version); |
2179 | ||
4fa52141 VD |
2180 | __owur int ssl_set_client_hello_version(SSL *s); |
2181 | __owur int ssl_check_version_downgrade(SSL *s); | |
2182 | __owur int ssl_set_version_bound(int method_version, int version, int *bound); | |
f7f2a01d MC |
2183 | __owur int ssl_choose_server_version(SSL *s, CLIENTHELLO_MSG *hello, |
2184 | DOWNGRADE *dgrd); | |
c3043dcd MC |
2185 | __owur int ssl_choose_client_version(SSL *s, int version, int checkdgrd, |
2186 | int *al); | |
38a73150 | 2187 | int ssl_get_min_max_version(const SSL *s, int *min_version, int *max_version); |
4fa52141 | 2188 | |
4bcdb4a6 MC |
2189 | __owur long tls1_default_timeout(void); |
2190 | __owur int dtls1_do_write(SSL *s, int type); | |
4bcdb4a6 | 2191 | void dtls1_set_message_header(SSL *s, |
a773b52a | 2192 | unsigned char mt, |
d736bc1a MC |
2193 | size_t len, |
2194 | size_t frag_off, size_t frag_len); | |
4bcdb4a6 | 2195 | |
7ee8627f MC |
2196 | int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf_, size_t len, |
2197 | size_t *written); | |
4bcdb4a6 | 2198 | |
4bcdb4a6 MC |
2199 | __owur int dtls1_read_failed(SSL *s, int code); |
2200 | __owur int dtls1_buffer_message(SSL *s, int ccs); | |
a773b52a | 2201 | __owur int dtls1_retransmit_message(SSL *s, unsigned short seq, int *found); |
4bcdb4a6 | 2202 | __owur int dtls1_get_queue_priority(unsigned short seq, int is_ccs); |
17dd65e6 | 2203 | int dtls1_retransmit_buffered_messages(SSL *s); |
f5c7f5df MC |
2204 | void dtls1_clear_received_buffer(SSL *s); |
2205 | void dtls1_clear_sent_buffer(SSL *s); | |
0f113f3e MC |
2206 | void dtls1_get_message_header(unsigned char *data, |
2207 | struct hm_header_st *msg_hdr); | |
4bcdb4a6 MC |
2208 | __owur long dtls1_default_timeout(void); |
2209 | __owur struct timeval *dtls1_get_timeout(SSL *s, struct timeval *timeleft); | |
2210 | __owur int dtls1_check_timeout_num(SSL *s); | |
2211 | __owur int dtls1_handle_timeout(SSL *s); | |
9289f21b DSH |
2212 | void dtls1_start_timer(SSL *s); |
2213 | void dtls1_stop_timer(SSL *s); | |
4bcdb4a6 | 2214 | __owur int dtls1_is_timer_expired(SSL *s); |
9289f21b | 2215 | void dtls1_double_timeout(SSL *s); |
c536b6be | 2216 | __owur int dtls_raw_hello_verify_request(WPACKET *pkt, unsigned char *cookie, |
cb150cbc | 2217 | size_t cookie_len); |
4bcdb4a6 | 2218 | __owur int dtls1_send_newsession_ticket(SSL *s); |
7ee8627f | 2219 | __owur size_t dtls1_min_mtu(SSL *s); |
8a35dbb6 | 2220 | void dtls1_hm_fragment_free(hm_fragment *frag); |
8ba708e5 | 2221 | __owur int dtls1_query_mtu(SSL *s); |
480506bd | 2222 | |
4bcdb4a6 | 2223 | __owur int tls1_new(SSL *s); |
58964a49 | 2224 | void tls1_free(SSL *s); |
b77f3ed1 | 2225 | int tls1_clear(SSL *s); |
0f113f3e MC |
2226 | long tls1_ctrl(SSL *s, int cmd, long larg, void *parg); |
2227 | long tls1_callback_ctrl(SSL *s, int cmd, void (*fp) (void)); | |
58964a49 | 2228 | |
4bcdb4a6 | 2229 | __owur int dtls1_new(SSL *s); |
36d16f8e | 2230 | void dtls1_free(SSL *s); |
b77f3ed1 | 2231 | int dtls1_clear(SSL *s); |
0f113f3e | 2232 | long dtls1_ctrl(SSL *s, int cmd, long larg, void *parg); |
4bcdb4a6 | 2233 | __owur int dtls1_shutdown(SSL *s); |
36d16f8e | 2234 | |
4bcdb4a6 | 2235 | __owur int dtls1_dispatch_alert(SSL *s); |
36d16f8e | 2236 | |
46417569 | 2237 | __owur int ssl_init_wbio_buffer(SSL *s); |
b77f3ed1 | 2238 | int ssl_free_wbio_buffer(SSL *s); |
58964a49 | 2239 | |
4bcdb4a6 MC |
2240 | __owur int tls1_change_cipher_state(SSL *s, int which); |
2241 | __owur int tls1_setup_key_block(SSL *s); | |
6db6bc5a | 2242 | __owur size_t tls1_final_finish_mac(SSL *s, const char *str, size_t slen, |
12472b45 | 2243 | unsigned char *p); |
4bcdb4a6 | 2244 | __owur int tls1_generate_master_secret(SSL *s, unsigned char *out, |
8c1a5343 MC |
2245 | unsigned char *p, size_t len, |
2246 | size_t *secret_size); | |
92760c21 MC |
2247 | __owur int tls13_setup_key_block(SSL *s); |
2248 | __owur size_t tls13_final_finish_mac(SSL *s, const char *str, size_t slen, | |
2249 | unsigned char *p); | |
0d9824c1 | 2250 | __owur int tls13_change_cipher_state(SSL *s, int which); |
c2fd15f6 | 2251 | __owur int tls13_update_key(SSL *s, int send); |
ec15acb6 MC |
2252 | __owur int tls13_hkdf_expand(SSL *s, const EVP_MD *md, |
2253 | const unsigned char *secret, | |
ace081c1 MC |
2254 | const unsigned char *label, size_t labellen, |
2255 | const unsigned char *hash, | |
2256 | unsigned char *out, size_t outlen); | |
d49e23ec MC |
2257 | __owur int tls13_derive_key(SSL *s, const EVP_MD *md, |
2258 | const unsigned char *secret, unsigned char *key, | |
2259 | size_t keylen); | |
2260 | __owur int tls13_derive_iv(SSL *s, const EVP_MD *md, | |
2261 | const unsigned char *secret, unsigned char *iv, | |
2262 | size_t ivlen); | |
ec15acb6 MC |
2263 | __owur int tls13_derive_finishedkey(SSL *s, const EVP_MD *md, |
2264 | const unsigned char *secret, | |
2265 | unsigned char *fin, size_t finlen); | |
2266 | int tls13_generate_secret(SSL *s, const EVP_MD *md, | |
2267 | const unsigned char *prevsecret, | |
2268 | const unsigned char *insecret, | |
2269 | size_t insecretlen, | |
2270 | unsigned char *outsecret); | |
34574f19 MC |
2271 | __owur int tls13_generate_handshake_secret(SSL *s, |
2272 | const unsigned char *insecret, | |
2273 | size_t insecretlen); | |
2274 | __owur int tls13_generate_master_secret(SSL *s, unsigned char *out, | |
2275 | unsigned char *prev, size_t prevlen, | |
2276 | size_t *secret_size); | |
4bcdb4a6 | 2277 | __owur int tls1_export_keying_material(SSL *s, unsigned char *out, size_t olen, |
a230b26e EK |
2278 | const char *label, size_t llen, |
2279 | const unsigned char *p, size_t plen, | |
2280 | int use_context); | |
4bcdb4a6 | 2281 | __owur int tls1_alert_code(int code); |
04904312 | 2282 | __owur int tls13_alert_code(int code); |
4bcdb4a6 | 2283 | __owur int ssl3_alert_code(int code); |
58964a49 | 2284 | |
10bf4fc2 | 2285 | # ifndef OPENSSL_NO_EC |
4bcdb4a6 | 2286 | __owur int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s); |
0f113f3e | 2287 | # endif |
41fdcfa7 | 2288 | |
f73e07cf | 2289 | SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n); |
413c4f45 | 2290 | |
0f113f3e | 2291 | # ifndef OPENSSL_NO_EC |
ec24630a DSH |
2292 | /* Flags values from tls1_ec_curve_id2nid() */ |
2293 | /* Mask for curve type */ | |
2294 | # define TLS_CURVE_TYPE 0x3 | |
2295 | # define TLS_CURVE_PRIME 0x0 | |
2296 | # define TLS_CURVE_CHAR2 0x1 | |
2297 | # define TLS_CURVE_CUSTOM 0x2 | |
0dd7ba24 MC |
2298 | |
2299 | #define bytestogroup(bytes) ((unsigned int)(bytes[0] << 8 | bytes[1])) | |
2300 | ||
ec24630a | 2301 | __owur int tls1_ec_curve_id2nid(int curve_id, unsigned int *pflags); |
4bcdb4a6 MC |
2302 | __owur int tls1_ec_nid2curve_id(int nid); |
2303 | __owur int tls1_check_curve(SSL *s, const unsigned char *p, size_t len); | |
de4d764e MC |
2304 | __owur int tls1_shared_group(SSL *s, int nmatch); |
2305 | __owur int tls1_set_groups(unsigned char **pext, size_t *pextlen, | |
a230b26e | 2306 | int *curves, size_t ncurves); |
de4d764e | 2307 | __owur int tls1_set_groups_list(unsigned char **pext, size_t *pextlen, |
a230b26e | 2308 | const char *str); |
7da160b0 MC |
2309 | void tls1_get_formatlist(SSL *s, const unsigned char **pformats, |
2310 | size_t *num_formats); | |
4bcdb4a6 | 2311 | __owur int tls1_check_ec_tmp_key(SSL *s, unsigned long id); |
0a699a07 | 2312 | __owur EVP_PKEY *ssl_generate_pkey_curve(int id); |
0f113f3e | 2313 | # endif /* OPENSSL_NO_EC */ |
33273721 | 2314 | |
4bcdb4a6 | 2315 | __owur int tls1_shared_list(SSL *s, |
a230b26e EK |
2316 | const unsigned char *l1, size_t l1len, |
2317 | const unsigned char *l2, size_t l2len, int nmatch); | |
6b473aca MC |
2318 | __owur int tls_curve_allowed(SSL *s, const unsigned char *curve, int op); |
2319 | __owur int tls1_get_curvelist(SSL *s, int sess, const unsigned char **pcurves, | |
2320 | size_t *num_curves); | |
2321 | ||
a0f63828 | 2322 | void ssl_set_default_md(SSL *s); |
4bcdb4a6 | 2323 | __owur int tls1_set_server_sigalgs(SSL *s); |
ddf6ec00 MC |
2324 | |
2325 | /* Return codes for tls_get_ticket_from_client() and tls_decrypt_ticket() */ | |
2326 | typedef enum ticket_en { | |
40f805ad | 2327 | /* fatal error, malloc failure */ |
ddf6ec00 | 2328 | TICKET_FATAL_ERR_MALLOC, |
40f805ad | 2329 | /* fatal error, either from parsing or decrypting the ticket */ |
ddf6ec00 | 2330 | TICKET_FATAL_ERR_OTHER, |
40f805ad | 2331 | /* No ticket present */ |
ddf6ec00 | 2332 | TICKET_NONE, |
40f805ad | 2333 | /* Empty ticket present */ |
ddf6ec00 | 2334 | TICKET_EMPTY, |
40f805ad | 2335 | /* the ticket couldn't be decrypted */ |
ddf6ec00 | 2336 | TICKET_NO_DECRYPT, |
40f805ad | 2337 | /* a ticket was successfully decrypted */ |
ddf6ec00 | 2338 | TICKET_SUCCESS, |
40f805ad | 2339 | /* same as above but the ticket needs to be reneewed */ |
ddf6ec00 MC |
2340 | TICKET_SUCCESS_RENEW |
2341 | } TICKET_RETURN; | |
2342 | ||
2343 | __owur TICKET_RETURN tls_get_ticket_from_client(SSL *s, CLIENTHELLO_MSG *hello, | |
2344 | SSL_SESSION **ret); | |
2345 | __owur TICKET_RETURN tls_decrypt_ticket(SSL *s, const unsigned char *etick, | |
2346 | size_t eticklen, | |
2347 | const unsigned char *sess_id, | |
2348 | size_t sesslen, SSL_SESSION **psess); | |
1053a6e2 | 2349 | |
7da160b0 | 2350 | __owur int tls_use_ticket(SSL *s); |
a2f9200f | 2351 | |
90d9e49a | 2352 | void ssl_set_sig_mask(uint32_t *pmask_a, SSL *s, int op); |
a2f9200f | 2353 | |
4bcdb4a6 | 2354 | __owur int tls1_set_sigalgs_list(CERT *c, const char *str, int client); |
a230b26e EK |
2355 | __owur int tls1_set_sigalgs(CERT *c, const int *salg, size_t salglen, |
2356 | int client); | |
17dd65e6 | 2357 | int tls1_check_chain(SSL *s, X509 *x, EVP_PKEY *pk, STACK_OF(X509) *chain, |
0f113f3e | 2358 | int idx); |
d61ff83b | 2359 | void tls1_set_cert_validity(SSL *s); |
0f229cce | 2360 | |
a230b26e | 2361 | # ifndef OPENSSL_NO_CT |
4d482ee2 | 2362 | __owur int ssl_validate_ct(SSL *s); |
a230b26e | 2363 | # endif |
ed29e82a | 2364 | |
0f113f3e | 2365 | # ifndef OPENSSL_NO_DH |
4bcdb4a6 | 2366 | __owur DH *ssl_get_auto_dh(SSL *s); |
0f113f3e | 2367 | # endif |
b362ccab | 2368 | |
4bcdb4a6 | 2369 | __owur int ssl_security_cert(SSL *s, SSL_CTX *ctx, X509 *x, int vfy, int is_ee); |
a230b26e EK |
2370 | __owur int ssl_security_cert_chain(SSL *s, STACK_OF(X509) *sk, X509 *ex, |
2371 | int vfy); | |
b362ccab | 2372 | |
4a419f60 | 2373 | int tls_choose_sigalg(SSL *s, int *al); |
93a77f9e | 2374 | |
4bcdb4a6 | 2375 | __owur EVP_MD_CTX *ssl_replace_hash(EVP_MD_CTX **hash, const EVP_MD *md); |
b948e2c5 | 2376 | void ssl_clear_hash_ctx(EVP_MD_CTX **hash); |
4bcdb4a6 | 2377 | __owur long ssl_get_algorithm2(SSL *s); |
ae2f7b37 | 2378 | __owur int tls12_copy_sigalgs(SSL *s, WPACKET *pkt, |
98c792d1 | 2379 | const uint16_t *psig, size_t psiglen); |
703bcee0 | 2380 | __owur int tls1_save_sigalgs(SSL *s, PACKET *pkt); |
4bcdb4a6 | 2381 | __owur int tls1_process_sigalgs(SSL *s); |
0972bc5c | 2382 | __owur int tls1_set_peer_legacy_sigalg(SSL *s, const EVP_PKEY *pkey); |
98c792d1 | 2383 | __owur size_t tls12_get_psigalgs(SSL *s, int sent, const uint16_t **psigs); |
f742cda8 | 2384 | __owur int tls12_check_peer_sigalg(SSL *s, uint16_t, EVP_PKEY *pkey); |
b7bfe69b | 2385 | void ssl_set_client_disabled(SSL *s); |
8af91fd9 | 2386 | __owur int ssl_cipher_disabled(SSL *s, const SSL_CIPHER *c, int op, int echde); |
1c78c43b | 2387 | |
8c1a5343 MC |
2388 | __owur int ssl_handshake_hash(SSL *s, unsigned char *out, size_t outlen, |
2389 | size_t *hashlen); | |
152fbc28 | 2390 | __owur const EVP_MD *ssl_md(int idx); |
28ba2541 DSH |
2391 | __owur const EVP_MD *ssl_handshake_md(SSL *s); |
2392 | __owur const EVP_MD *ssl_prf_md(SSL *s); | |
48fbcbac | 2393 | |
2faa1b48 CB |
2394 | /* |
2395 | * ssl_log_rsa_client_key_exchange logs |premaster| to the SSL_CTX associated | |
2396 | * with |ssl|, if logging is enabled. It returns one on success and zero on | |
2397 | * failure. The entry is identified by the first 8 bytes of | |
2398 | * |encrypted_premaster|. | |
2399 | */ | |
2400 | __owur int ssl_log_rsa_client_key_exchange(SSL *ssl, | |
2401 | const uint8_t *encrypted_premaster, | |
2402 | size_t encrypted_premaster_len, | |
2403 | const uint8_t *premaster, | |
2404 | size_t premaster_len); | |
2405 | ||
2c7bd692 CB |
2406 | /* |
2407 | * ssl_log_secret logs |secret| to the SSL_CTX associated with |ssl|, if | |
2408 | * logging is available. It returns one on success and zero on failure. It tags | |
2409 | * the entry with |label|. | |
2faa1b48 | 2410 | */ |
2c7bd692 CB |
2411 | __owur int ssl_log_secret(SSL *ssl, const char *label, |
2412 | const uint8_t *secret, size_t secret_len); | |
2413 | ||
2414 | #define MASTER_SECRET_LABEL "CLIENT_RANDOM" | |
d49e23ec | 2415 | #define CLIENT_EARLY_LABEL "CLIENT_EARLY_TRAFFIC_SECRET" |
2c7bd692 CB |
2416 | #define CLIENT_HANDSHAKE_LABEL "CLIENT_HANDSHAKE_TRAFFIC_SECRET" |
2417 | #define SERVER_HANDSHAKE_LABEL "SERVER_HANDSHAKE_TRAFFIC_SECRET" | |
2418 | #define CLIENT_APPLICATION_LABEL "CLIENT_TRAFFIC_SECRET_0" | |
2419 | #define SERVER_APPLICATION_LABEL "SERVER_TRAFFIC_SECRET_0" | |
2faa1b48 | 2420 | |
2acc020b | 2421 | /* s3_cbc.c */ |
4bcdb4a6 | 2422 | __owur char ssl3_cbc_record_digest_supported(const EVP_MD_CTX *ctx); |
5f3d93e4 MC |
2423 | __owur int ssl3_cbc_digest_record(const EVP_MD_CTX *ctx, |
2424 | unsigned char *md_out, | |
2425 | size_t *md_out_size, | |
2426 | const unsigned char header[13], | |
2427 | const unsigned char *data, | |
2428 | size_t data_plus_mac_size, | |
2429 | size_t data_plus_mac_plus_padding_size, | |
2430 | const unsigned char *mac_secret, | |
d0e7c31d | 2431 | size_t mac_secret_length, char is_sslv3); |
0f113f3e | 2432 | |
57b272b0 DSH |
2433 | __owur int srp_generate_server_master_secret(SSL *s); |
2434 | __owur int srp_generate_client_master_secret(SSL *s); | |
4bcdb4a6 | 2435 | __owur int srp_verify_server_param(SSL *s, int *al); |
0989790b | 2436 | |
43ae5eed MC |
2437 | /* statem/extensions_cust.c */ |
2438 | ||
787d9ec7 MC |
2439 | custom_ext_method *custom_ext_find(const custom_ext_methods *exts, |
2440 | ENDPOINT role, unsigned int ext_type, | |
2441 | size_t *idx); | |
ecf4d660 | 2442 | |
28ea0a0c DSH |
2443 | void custom_ext_init(custom_ext_methods *meths); |
2444 | ||
43ae5eed | 2445 | __owur int custom_ext_parse(SSL *s, unsigned int context, unsigned int ext_type, |
a230b26e | 2446 | const unsigned char *ext_data, size_t ext_size, |
43ae5eed MC |
2447 | X509 *x, size_t chainidx, int *al); |
2448 | __owur int custom_ext_add(SSL *s, int context, WPACKET *pkt, X509 *x, | |
2449 | size_t chainidx, int maxversion, int *al); | |
a230b26e EK |
2450 | |
2451 | __owur int custom_exts_copy(custom_ext_methods *dst, | |
2452 | const custom_ext_methods *src); | |
21181889 MC |
2453 | __owur int custom_exts_copy_flags(custom_ext_methods *dst, |
2454 | const custom_ext_methods *src); | |
ecf4d660 DSH |
2455 | void custom_exts_free(custom_ext_methods *exts); |
2456 | ||
b3599dbb | 2457 | void ssl_comp_free_compression_methods_int(void); |
03b0e735 | 2458 | |
4ee7d3f9 | 2459 | # else /* OPENSSL_UNIT_TEST */ |
e0fc7961 | 2460 | |
0f113f3e MC |
2461 | # define ssl_init_wbio_buffer SSL_test_functions()->p_ssl_init_wbio_buffer |
2462 | # define ssl3_setup_buffers SSL_test_functions()->p_ssl3_setup_buffers | |
c4e6fb15 | 2463 | |
0f113f3e | 2464 | # endif |
e0fc7961 | 2465 | #endif |