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846e33c7 RS |
1 | /* |
2 | * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. | |
5a4fbc69 | 3 | * |
846e33c7 RS |
4 | * Licensed under the OpenSSL license (the "License"). You may not use |
5 | * this file except in compliance with the License. You can obtain a copy | |
6 | * in the file LICENSE in the source distribution or at | |
7 | * https://www.openssl.org/source/license.html | |
5a4fbc69 | 8 | */ |
846e33c7 | 9 | |
ea262260 BM |
10 | /* ==================================================================== |
11 | * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. | |
0f113f3e | 12 | * ECC cipher suite support in OpenSSL originally developed by |
ea262260 BM |
13 | * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project. |
14 | */ | |
ddac1974 NL |
15 | /* ==================================================================== |
16 | * Copyright 2005 Nokia. All rights reserved. | |
17 | * | |
18 | * The portions of the attached software ("Contribution") is developed by | |
19 | * Nokia Corporation and is licensed pursuant to the OpenSSL open source | |
20 | * license. | |
21 | * | |
22 | * The Contribution, originally written by Mika Kousa and Pasi Eronen of | |
23 | * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites | |
24 | * support (see RFC 4279) to OpenSSL. | |
25 | * | |
26 | * No patent licenses or other rights except those expressly stated in | |
27 | * the OpenSSL open source license shall be deemed granted or received | |
28 | * expressly, by implication, estoppel, or otherwise. | |
29 | * | |
30 | * No assurances are provided by Nokia that the Contribution does not | |
31 | * infringe the patent or other intellectual property rights of any third | |
32 | * party or that the license provides you with all the necessary rights | |
33 | * to make use of the Contribution. | |
34 | * | |
35 | * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN | |
36 | * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA | |
37 | * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY | |
38 | * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR | |
39 | * OTHERWISE. | |
40 | */ | |
d02b48c6 RE |
41 | |
42 | #ifndef HEADER_SSL_LOCL_H | |
0f113f3e MC |
43 | # define HEADER_SSL_LOCL_H |
44 | # include <stdlib.h> | |
45 | # include <time.h> | |
46 | # include <string.h> | |
47 | # include <errno.h> | |
d02b48c6 | 48 | |
0f113f3e | 49 | # include "e_os.h" |
c21c7830 | 50 | # if defined(__unix) || defined(__unix__) |
a230b26e | 51 | # include <sys/time.h> /* struct timeval for DTLS */ |
c21c7830 | 52 | # endif |
d02b48c6 | 53 | |
0f113f3e | 54 | # include <openssl/buffer.h> |
3c27208f | 55 | # include <openssl/comp.h> |
0f113f3e MC |
56 | # include <openssl/bio.h> |
57 | # include <openssl/stack.h> | |
3c27208f RS |
58 | # include <openssl/rsa.h> |
59 | # include <openssl/dsa.h> | |
0f113f3e MC |
60 | # include <openssl/err.h> |
61 | # include <openssl/ssl.h> | |
07bbc92c | 62 | # include <openssl/async.h> |
0f113f3e | 63 | # include <openssl/symhacks.h> |
3c27208f | 64 | # include <openssl/ct.h> |
a230b26e EK |
65 | # include "record/record.h" |
66 | # include "statem/statem.h" | |
67 | # include "packet_locl.h" | |
68 | # include "internal/dane.h" | |
2f545ae4 | 69 | # include "internal/refcount.h" |
52e1d7b1 | 70 | |
0f113f3e MC |
71 | # ifdef OPENSSL_BUILD_SHLIBSSL |
72 | # undef OPENSSL_EXTERN | |
73 | # define OPENSSL_EXTERN OPENSSL_EXPORT | |
74 | # endif | |
26da3e65 | 75 | |
0f113f3e MC |
76 | # define c2l(c,l) (l = ((unsigned long)(*((c)++))) , \ |
77 | l|=(((unsigned long)(*((c)++)))<< 8), \ | |
78 | l|=(((unsigned long)(*((c)++)))<<16), \ | |
79 | l|=(((unsigned long)(*((c)++)))<<24)) | |
d02b48c6 RE |
80 | |
81 | /* NOTE - c is not incremented as per c2l */ | |
0f113f3e MC |
82 | # define c2ln(c,l1,l2,n) { \ |
83 | c+=n; \ | |
84 | l1=l2=0; \ | |
85 | switch (n) { \ | |
86 | case 8: l2 =((unsigned long)(*(--(c))))<<24; \ | |
87 | case 7: l2|=((unsigned long)(*(--(c))))<<16; \ | |
88 | case 6: l2|=((unsigned long)(*(--(c))))<< 8; \ | |
89 | case 5: l2|=((unsigned long)(*(--(c)))); \ | |
90 | case 4: l1 =((unsigned long)(*(--(c))))<<24; \ | |
91 | case 3: l1|=((unsigned long)(*(--(c))))<<16; \ | |
92 | case 2: l1|=((unsigned long)(*(--(c))))<< 8; \ | |
93 | case 1: l1|=((unsigned long)(*(--(c)))); \ | |
94 | } \ | |
95 | } | |
96 | ||
97 | # define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \ | |
98 | *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ | |
99 | *((c)++)=(unsigned char)(((l)>>16)&0xff), \ | |
100 | *((c)++)=(unsigned char)(((l)>>24)&0xff)) | |
101 | ||
102 | # define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24, \ | |
103 | l|=((unsigned long)(*((c)++)))<<16, \ | |
104 | l|=((unsigned long)(*((c)++)))<< 8, \ | |
105 | l|=((unsigned long)(*((c)++)))) | |
106 | ||
31c34a3e DW |
107 | # define n2l8(c,l) (l =((uint64_t)(*((c)++)))<<56, \ |
108 | l|=((uint64_t)(*((c)++)))<<48, \ | |
109 | l|=((uint64_t)(*((c)++)))<<40, \ | |
110 | l|=((uint64_t)(*((c)++)))<<32, \ | |
111 | l|=((uint64_t)(*((c)++)))<<24, \ | |
112 | l|=((uint64_t)(*((c)++)))<<16, \ | |
113 | l|=((uint64_t)(*((c)++)))<< 8, \ | |
114 | l|=((uint64_t)(*((c)++)))) | |
115 | ||
116 | ||
0f113f3e MC |
117 | # define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24)&0xff), \ |
118 | *((c)++)=(unsigned char)(((l)>>16)&0xff), \ | |
119 | *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ | |
120 | *((c)++)=(unsigned char)(((l) )&0xff)) | |
121 | ||
122 | # define l2n6(l,c) (*((c)++)=(unsigned char)(((l)>>40)&0xff), \ | |
123 | *((c)++)=(unsigned char)(((l)>>32)&0xff), \ | |
124 | *((c)++)=(unsigned char)(((l)>>24)&0xff), \ | |
125 | *((c)++)=(unsigned char)(((l)>>16)&0xff), \ | |
126 | *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ | |
127 | *((c)++)=(unsigned char)(((l) )&0xff)) | |
128 | ||
129 | # define l2n8(l,c) (*((c)++)=(unsigned char)(((l)>>56)&0xff), \ | |
130 | *((c)++)=(unsigned char)(((l)>>48)&0xff), \ | |
131 | *((c)++)=(unsigned char)(((l)>>40)&0xff), \ | |
132 | *((c)++)=(unsigned char)(((l)>>32)&0xff), \ | |
133 | *((c)++)=(unsigned char)(((l)>>24)&0xff), \ | |
134 | *((c)++)=(unsigned char)(((l)>>16)&0xff), \ | |
135 | *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ | |
136 | *((c)++)=(unsigned char)(((l) )&0xff)) | |
137 | ||
d02b48c6 | 138 | /* NOTE - c is not incremented as per l2c */ |
0f113f3e MC |
139 | # define l2cn(l1,l2,c,n) { \ |
140 | c+=n; \ | |
141 | switch (n) { \ | |
142 | case 8: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \ | |
143 | case 7: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \ | |
144 | case 6: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \ | |
145 | case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \ | |
146 | case 4: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \ | |
147 | case 3: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \ | |
148 | case 2: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \ | |
149 | case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \ | |
150 | } \ | |
151 | } | |
152 | ||
d4450e4b MC |
153 | # define n2s(c,s) ((s=(((unsigned int)((c)[0]))<< 8)| \ |
154 | (((unsigned int)((c)[1])) )),(c)+=2) | |
155 | # define s2n(s,c) (((c)[0]=(unsigned char)(((s)>> 8)&0xff), \ | |
156 | (c)[1]=(unsigned char)(((s) )&0xff)),(c)+=2) | |
157 | ||
158 | # define n2l3(c,l) ((l =(((unsigned long)((c)[0]))<<16)| \ | |
159 | (((unsigned long)((c)[1]))<< 8)| \ | |
160 | (((unsigned long)((c)[2])) )),(c)+=3) | |
161 | ||
162 | # define l2n3(l,c) (((c)[0]=(unsigned char)(((l)>>16)&0xff), \ | |
163 | (c)[1]=(unsigned char)(((l)>> 8)&0xff), \ | |
164 | (c)[2]=(unsigned char)(((l) )&0xff)),(c)+=3) | |
d02b48c6 | 165 | |
a230b26e EK |
166 | /* |
167 | * DTLS version numbers are strange because they're inverted. Except for | |
168 | * DTLS1_BAD_VER, which should be considered "lower" than the rest. | |
169 | */ | |
170 | # define dtls_ver_ordinal(v1) (((v1) == DTLS1_BAD_VER) ? 0xff00 : (v1)) | |
171 | # define DTLS_VERSION_GT(v1, v2) (dtls_ver_ordinal(v1) < dtls_ver_ordinal(v2)) | |
172 | # define DTLS_VERSION_GE(v1, v2) (dtls_ver_ordinal(v1) <= dtls_ver_ordinal(v2)) | |
173 | # define DTLS_VERSION_LT(v1, v2) (dtls_ver_ordinal(v1) > dtls_ver_ordinal(v2)) | |
174 | # define DTLS_VERSION_LE(v1, v2) (dtls_ver_ordinal(v1) >= dtls_ver_ordinal(v2)) | |
7946ab33 | 175 | |
d02b48c6 | 176 | |
018e57c7 DSH |
177 | /* |
178 | * Define the Bitmasks for SSL_CIPHER.algorithms. | |
179 | * This bits are used packed as dense as possible. If new methods/ciphers | |
180 | * etc will be added, the bits a likely to change, so this information | |
181 | * is for internal library use only, even though SSL_CIPHER.algorithms | |
182 | * can be publicly accessed. | |
183 | * Use the according functions for cipher management instead. | |
184 | * | |
657e60fa | 185 | * The bit mask handling in the selection and sorting scheme in |
018e57c7 | 186 | * ssl_create_cipher_list() has only limited capabilities, reflecting |
657e60fa | 187 | * that the different entities within are mutually exclusive: |
018e57c7 DSH |
188 | * ONLY ONE BIT PER MASK CAN BE SET AT A TIME. |
189 | */ | |
52b8dad8 BM |
190 | |
191 | /* Bits for algorithm_mkey (key exchange algorithm) */ | |
68d39f3c | 192 | /* RSA key exchange */ |
36e79832 | 193 | # define SSL_kRSA 0x00000001U |
68d39f3c | 194 | /* tmp DH key no DH cert */ |
bc71f910 | 195 | # define SSL_kDHE 0x00000002U |
68d39f3c | 196 | /* synonym */ |
0f113f3e | 197 | # define SSL_kEDH SSL_kDHE |
68d39f3c | 198 | /* ephemeral ECDH */ |
ce0c1f2b | 199 | # define SSL_kECDHE 0x00000004U |
68d39f3c | 200 | /* synonym */ |
0f113f3e | 201 | # define SSL_kEECDH SSL_kECDHE |
68d39f3c | 202 | /* PSK */ |
ce0c1f2b | 203 | # define SSL_kPSK 0x00000008U |
68d39f3c | 204 | /* GOST key exchange */ |
ce0c1f2b | 205 | # define SSL_kGOST 0x00000010U |
68d39f3c | 206 | /* SRP */ |
ce0c1f2b | 207 | # define SSL_kSRP 0x00000020U |
52b8dad8 | 208 | |
ce0c1f2b DSH |
209 | # define SSL_kRSAPSK 0x00000040U |
210 | # define SSL_kECDHEPSK 0x00000080U | |
211 | # define SSL_kDHEPSK 0x00000100U | |
64651d39 DSH |
212 | |
213 | /* all PSK */ | |
214 | ||
a230b26e | 215 | # define SSL_PSK (SSL_kPSK | SSL_kRSAPSK | SSL_kECDHEPSK | SSL_kDHEPSK) |
64651d39 | 216 | |
e5c4bf93 DSH |
217 | /* Any appropriate key exchange algorithm (for TLS 1.3 ciphersuites) */ |
218 | # define SSL_kANY 0x00000000U | |
219 | ||
52b8dad8 | 220 | /* Bits for algorithm_auth (server authentication) */ |
68d39f3c | 221 | /* RSA auth */ |
36e79832 | 222 | # define SSL_aRSA 0x00000001U |
68d39f3c | 223 | /* DSS auth */ |
36e79832 | 224 | # define SSL_aDSS 0x00000002U |
68d39f3c | 225 | /* no auth (i.e. use ADH or AECDH) */ |
36e79832 | 226 | # define SSL_aNULL 0x00000004U |
68d39f3c | 227 | /* ECDSA auth*/ |
ce0c1f2b | 228 | # define SSL_aECDSA 0x00000008U |
68d39f3c | 229 | /* PSK auth */ |
ce0c1f2b | 230 | # define SSL_aPSK 0x00000010U |
68d39f3c | 231 | /* GOST R 34.10-2001 signature auth */ |
ce0c1f2b | 232 | # define SSL_aGOST01 0x00000020U |
68d39f3c | 233 | /* SRP auth */ |
ce0c1f2b | 234 | # define SSL_aSRP 0x00000040U |
e44380a9 | 235 | /* GOST R 34.10-2012 signature auth */ |
ce0c1f2b | 236 | # define SSL_aGOST12 0x00000080U |
e5c4bf93 DSH |
237 | /* Any appropriate signature auth (for TLS 1.3 ciphersuites) */ |
238 | # define SSL_aANY 0x00000000U | |
52b8dad8 BM |
239 | |
240 | /* Bits for algorithm_enc (symmetric encryption) */ | |
36e79832 DSH |
241 | # define SSL_DES 0x00000001U |
242 | # define SSL_3DES 0x00000002U | |
243 | # define SSL_RC4 0x00000004U | |
244 | # define SSL_RC2 0x00000008U | |
245 | # define SSL_IDEA 0x00000010U | |
246 | # define SSL_eNULL 0x00000020U | |
247 | # define SSL_AES128 0x00000040U | |
248 | # define SSL_AES256 0x00000080U | |
249 | # define SSL_CAMELLIA128 0x00000100U | |
250 | # define SSL_CAMELLIA256 0x00000200U | |
251 | # define SSL_eGOST2814789CNT 0x00000400U | |
252 | # define SSL_SEED 0x00000800U | |
253 | # define SSL_AES128GCM 0x00001000U | |
254 | # define SSL_AES256GCM 0x00002000U | |
255 | # define SSL_AES128CCM 0x00004000U | |
256 | # define SSL_AES256CCM 0x00008000U | |
257 | # define SSL_AES128CCM8 0x00010000U | |
258 | # define SSL_AES256CCM8 0x00020000U | |
e44380a9 | 259 | # define SSL_eGOST2814789CNT12 0x00040000U |
a76ba82c | 260 | # define SSL_CHACHA20POLY1305 0x00080000U |
0f113f3e | 261 | |
a556f342 EK |
262 | # define SSL_AESGCM (SSL_AES128GCM | SSL_AES256GCM) |
263 | # define SSL_AESCCM (SSL_AES128CCM | SSL_AES256CCM | SSL_AES128CCM8 | SSL_AES256CCM8) | |
264 | # define SSL_AES (SSL_AES128|SSL_AES256|SSL_AESGCM|SSL_AESCCM) | |
0f113f3e | 265 | # define SSL_CAMELLIA (SSL_CAMELLIA128|SSL_CAMELLIA256) |
1c37fd96 | 266 | # define SSL_CHACHA20 (SSL_CHACHA20POLY1305) |
52b8dad8 BM |
267 | |
268 | /* Bits for algorithm_mac (symmetric authentication) */ | |
28dd49fa | 269 | |
36e79832 DSH |
270 | # define SSL_MD5 0x00000001U |
271 | # define SSL_SHA1 0x00000002U | |
272 | # define SSL_GOST94 0x00000004U | |
273 | # define SSL_GOST89MAC 0x00000008U | |
274 | # define SSL_SHA256 0x00000010U | |
275 | # define SSL_SHA384 0x00000020U | |
28dd49fa | 276 | /* Not a real MAC, just an indication it is part of cipher */ |
36e79832 | 277 | # define SSL_AEAD 0x00000040U |
e44380a9 DB |
278 | # define SSL_GOST12_256 0x00000080U |
279 | # define SSL_GOST89MAC12 0x00000100U | |
280 | # define SSL_GOST12_512 0x00000200U | |
52b8dad8 | 281 | |
0f113f3e | 282 | /* |
e44380a9 | 283 | * When adding new digest in the ssl_ciph.c and increment SSL_MD_NUM_IDX make |
0f113f3e MC |
284 | * sure to update this constant too |
285 | */ | |
28ba2541 DSH |
286 | |
287 | # define SSL_MD_MD5_IDX 0 | |
288 | # define SSL_MD_SHA1_IDX 1 | |
289 | # define SSL_MD_GOST94_IDX 2 | |
290 | # define SSL_MD_GOST89MAC_IDX 3 | |
291 | # define SSL_MD_SHA256_IDX 4 | |
292 | # define SSL_MD_SHA384_IDX 5 | |
293 | # define SSL_MD_GOST12_256_IDX 6 | |
294 | # define SSL_MD_GOST89MAC12_IDX 7 | |
295 | # define SSL_MD_GOST12_512_IDX 8 | |
296 | # define SSL_MD_MD5_SHA1_IDX 9 | |
7afd2312 DSH |
297 | # define SSL_MD_SHA224_IDX 10 |
298 | # define SSL_MD_SHA512_IDX 11 | |
299 | # define SSL_MAX_DIGEST 12 | |
28ba2541 DSH |
300 | |
301 | /* Bits for algorithm2 (handshake digests and other extra flags) */ | |
302 | ||
303 | /* Bits 0-7 are handshake MAC */ | |
304 | # define SSL_HANDSHAKE_MAC_MASK 0xFF | |
305 | # define SSL_HANDSHAKE_MAC_MD5_SHA1 SSL_MD_MD5_SHA1_IDX | |
306 | # define SSL_HANDSHAKE_MAC_SHA256 SSL_MD_SHA256_IDX | |
307 | # define SSL_HANDSHAKE_MAC_SHA384 SSL_MD_SHA384_IDX | |
308 | # define SSL_HANDSHAKE_MAC_GOST94 SSL_MD_GOST94_IDX | |
309 | # define SSL_HANDSHAKE_MAC_GOST12_256 SSL_MD_GOST12_256_IDX | |
310 | # define SSL_HANDSHAKE_MAC_GOST12_512 SSL_MD_GOST12_512_IDX | |
311 | # define SSL_HANDSHAKE_MAC_DEFAULT SSL_HANDSHAKE_MAC_MD5_SHA1 | |
312 | ||
313 | /* Bits 8-15 bits are PRF */ | |
314 | # define TLS1_PRF_DGST_SHIFT 8 | |
315 | # define TLS1_PRF_SHA1_MD5 (SSL_MD_MD5_SHA1_IDX << TLS1_PRF_DGST_SHIFT) | |
316 | # define TLS1_PRF_SHA256 (SSL_MD_SHA256_IDX << TLS1_PRF_DGST_SHIFT) | |
317 | # define TLS1_PRF_SHA384 (SSL_MD_SHA384_IDX << TLS1_PRF_DGST_SHIFT) | |
318 | # define TLS1_PRF_GOST94 (SSL_MD_GOST94_IDX << TLS1_PRF_DGST_SHIFT) | |
319 | # define TLS1_PRF_GOST12_256 (SSL_MD_GOST12_256_IDX << TLS1_PRF_DGST_SHIFT) | |
320 | # define TLS1_PRF_GOST12_512 (SSL_MD_GOST12_512_IDX << TLS1_PRF_DGST_SHIFT) | |
321 | # define TLS1_PRF (SSL_MD_MD5_SHA1_IDX << TLS1_PRF_DGST_SHIFT) | |
761772d7 | 322 | |
0f113f3e MC |
323 | /* |
324 | * Stream MAC for GOST ciphersuites from cryptopro draft (currently this also | |
325 | * goes into algorithm2) | |
326 | */ | |
28ba2541 | 327 | # define TLS1_STREAM_MAC 0x10000 |
761772d7 | 328 | |
88a9614b | 329 | # define SSL_STRONG_MASK 0x0000001FU |
361a1191 | 330 | # define SSL_DEFAULT_MASK 0X00000020U |
c84f7f4a | 331 | |
361a1191 KR |
332 | # define SSL_STRONG_NONE 0x00000001U |
333 | # define SSL_LOW 0x00000002U | |
334 | # define SSL_MEDIUM 0x00000004U | |
335 | # define SSL_HIGH 0x00000008U | |
336 | # define SSL_FIPS 0x00000010U | |
337 | # define SSL_NOT_DEFAULT 0x00000020U | |
018e57c7 | 338 | |
361a1191 | 339 | /* we have used 0000003f - 26 bits left to go */ |
d02b48c6 | 340 | |
34f7245b MC |
341 | /* Flag used on OpenSSL ciphersuite ids to indicate they are for SSLv3+ */ |
342 | # define SSL3_CK_CIPHERSUITE_FLAG 0x03000000 | |
343 | ||
890f2f8b | 344 | /* Check if an SSL structure is using DTLS */ |
0f113f3e | 345 | # define SSL_IS_DTLS(s) (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS) |
f2342b7a MC |
346 | |
347 | /* Check if we are using TLSv1.3 */ | |
c805f618 MC |
348 | # define SSL_IS_TLS13(s) (!SSL_IS_DTLS(s) \ |
349 | && (s)->method->version >= TLS1_3_VERSION \ | |
350 | && (s)->method->version != TLS_ANY_VERSION) | |
f2342b7a | 351 | |
49e7fe12 | 352 | # define SSL_TREAT_AS_TLS13(s) \ |
ef6c191b MC |
353 | (SSL_IS_TLS13(s) || (s)->early_data_state == SSL_EARLY_DATA_WRITING \ |
354 | || (s)->early_data_state == SSL_EARLY_DATA_WRITE_RETRY) | |
49e7fe12 | 355 | |
c7f47786 MC |
356 | # define SSL_IS_FIRST_HANDSHAKE(S) ((s)->s3->tmp.finish_md_len == 0) |
357 | ||
cbd64894 | 358 | /* See if we need explicit IV */ |
0f113f3e MC |
359 | # define SSL_USE_EXPLICIT_IV(s) \ |
360 | (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_EXPLICIT_IV) | |
361 | /* | |
362 | * See if we use signature algorithms extension and signature algorithm | |
363 | * before signatures. | |
cbd64894 | 364 | */ |
0f113f3e MC |
365 | # define SSL_USE_SIGALGS(s) \ |
366 | (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_SIGALGS) | |
367 | /* | |
368 | * Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2: may | |
369 | * apply to others in future. | |
4221c0dd | 370 | */ |
0f113f3e MC |
371 | # define SSL_USE_TLS1_2_CIPHERS(s) \ |
372 | (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_TLS1_2_CIPHERS) | |
373 | /* | |
374 | * Determine if a client can use TLS 1.2 ciphersuites: can't rely on method | |
1e2d4cb0 DSH |
375 | * flags because it may not be set to correct version yet. |
376 | */ | |
0f113f3e | 377 | # define SSL_CLIENT_USE_TLS1_2_CIPHERS(s) \ |
4fa52141 VD |
378 | ((!SSL_IS_DTLS(s) && s->client_version >= TLS1_2_VERSION) || \ |
379 | (SSL_IS_DTLS(s) && DTLS_VERSION_GE(s->client_version, DTLS1_2_VERSION))) | |
f7aa3185 DB |
380 | /* |
381 | * Determine if a client should send signature algorithms extension: | |
382 | * as with TLS1.2 cipher we can't rely on method flags. | |
383 | */ | |
384 | # define SSL_CLIENT_USE_SIGALGS(s) \ | |
385 | SSL_CLIENT_USE_TLS1_2_CIPHERS(s) | |
0f113f3e | 386 | |
28a31a0a MC |
387 | # define SSL_READ_ETM(s) (s->s3->flags & TLS1_FLAGS_ENCRYPT_THEN_MAC_READ) |
388 | # define SSL_WRITE_ETM(s) (s->s3->flags & TLS1_FLAGS_ENCRYPT_THEN_MAC_WRITE) | |
5e3ff62c | 389 | |
d02b48c6 | 390 | /* Mostly for SSLv3 */ |
d0ff28f8 DSH |
391 | # define SSL_PKEY_RSA 0 |
392 | # define SSL_PKEY_DSA_SIGN 1 | |
393 | # define SSL_PKEY_ECC 2 | |
394 | # define SSL_PKEY_GOST01 3 | |
395 | # define SSL_PKEY_GOST12_256 4 | |
396 | # define SSL_PKEY_GOST12_512 5 | |
397 | # define SSL_PKEY_NUM 6 | |
e44380a9 DB |
398 | /* |
399 | * Pseudo-constant. GOST cipher suites can use different certs for 1 | |
400 | * SSL_CIPHER. So let's see which one we have in fact. | |
401 | */ | |
402 | # define SSL_PKEY_GOST_EC SSL_PKEY_NUM+1 | |
d02b48c6 | 403 | |
17ae384e | 404 | /* |
d0ff28f8 | 405 | * TODO(TLS1.3) for now use SSL_PKEY_RSA keys for PSS |
17ae384e DSH |
406 | */ |
407 | ||
d0ff28f8 | 408 | #define SSL_PKEY_RSA_PSS_SIGN SSL_PKEY_RSA |
17ae384e | 409 | |
1d97c843 | 410 | /*- |
361a1191 | 411 | * SSL_kRSA <- RSA_ENC |
d02b48c6 | 412 | * SSL_kDH <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN) |
5a21cadb | 413 | * SSL_kDHE <- RSA_ENC | RSA_SIGN | DSA_SIGN |
d02b48c6 RE |
414 | * SSL_aRSA <- RSA_ENC | RSA_SIGN |
415 | * SSL_aDSS <- DSA_SIGN | |
416 | */ | |
417 | ||
23a22b4c | 418 | /*- |
0f113f3e MC |
419 | #define CERT_INVALID 0 |
420 | #define CERT_PUBLIC_KEY 1 | |
421 | #define CERT_PRIVATE_KEY 2 | |
d02b48c6 RE |
422 | */ |
423 | ||
e9fa092e | 424 | /* CipherSuite length. SSLv3 and all TLS versions. */ |
a230b26e | 425 | # define TLS_CIPHER_LEN 2 |
b6ba4014 MC |
426 | /* used to hold info on the particular ciphers used */ |
427 | struct ssl_cipher_st { | |
90d9e49a | 428 | uint32_t valid; |
a230b26e EK |
429 | const char *name; /* text name */ |
430 | uint32_t id; /* id, 4 bytes, first is version */ | |
b6ba4014 | 431 | /* |
90d9e49a | 432 | * changed in 1.0.0: these four used to be portions of a single value |
b6ba4014 MC |
433 | * 'algorithms' |
434 | */ | |
a230b26e EK |
435 | uint32_t algorithm_mkey; /* key exchange algorithm */ |
436 | uint32_t algorithm_auth; /* server authentication */ | |
437 | uint32_t algorithm_enc; /* symmetric encryption */ | |
438 | uint32_t algorithm_mac; /* symmetric authentication */ | |
439 | int min_tls; /* minimum SSL/TLS protocol version */ | |
440 | int max_tls; /* maximum SSL/TLS protocol version */ | |
441 | int min_dtls; /* minimum DTLS protocol version */ | |
442 | int max_dtls; /* maximum DTLS protocol version */ | |
443 | uint32_t algo_strength; /* strength and export flags */ | |
444 | uint32_t algorithm2; /* Extra flags */ | |
445 | int32_t strength_bits; /* Number of bits really used */ | |
446 | uint32_t alg_bits; /* Number of bits for algorithm */ | |
b6ba4014 MC |
447 | }; |
448 | ||
87d9cafa | 449 | /* Used to hold SSL/TLS functions */ |
b6ba4014 MC |
450 | struct ssl_method_st { |
451 | int version; | |
4fa52141 VD |
452 | unsigned flags; |
453 | unsigned long mask; | |
b6ba4014 | 454 | int (*ssl_new) (SSL *s); |
b77f3ed1 | 455 | int (*ssl_clear) (SSL *s); |
b6ba4014 MC |
456 | void (*ssl_free) (SSL *s); |
457 | int (*ssl_accept) (SSL *s); | |
458 | int (*ssl_connect) (SSL *s); | |
54105ddd MC |
459 | int (*ssl_read) (SSL *s, void *buf, size_t len, size_t *readbytes); |
460 | int (*ssl_peek) (SSL *s, void *buf, size_t len, size_t *readbytes); | |
7ee8627f | 461 | int (*ssl_write) (SSL *s, const void *buf, size_t len, size_t *written); |
b6ba4014 MC |
462 | int (*ssl_shutdown) (SSL *s); |
463 | int (*ssl_renegotiate) (SSL *s); | |
c7f47786 | 464 | int (*ssl_renegotiate_check) (SSL *s, int); |
657da85e | 465 | int (*ssl_read_bytes) (SSL *s, int type, int *recvd_type, |
eda75751 | 466 | unsigned char *buf, size_t len, int peek, |
54105ddd | 467 | size_t *readbytes); |
7ee8627f MC |
468 | int (*ssl_write_bytes) (SSL *s, int type, const void *buf_, size_t len, |
469 | size_t *written); | |
b6ba4014 MC |
470 | int (*ssl_dispatch_alert) (SSL *s); |
471 | long (*ssl_ctrl) (SSL *s, int cmd, long larg, void *parg); | |
472 | long (*ssl_ctx_ctrl) (SSL_CTX *ctx, int cmd, long larg, void *parg); | |
473 | const SSL_CIPHER *(*get_cipher_by_char) (const unsigned char *ptr); | |
ae2f7b37 | 474 | int (*put_cipher_by_char) (const SSL_CIPHER *cipher, WPACKET *pkt, |
2c7b4dbc | 475 | size_t *len); |
8b0e934a | 476 | size_t (*ssl_pending) (const SSL *s); |
b6ba4014 MC |
477 | int (*num_ciphers) (void); |
478 | const SSL_CIPHER *(*get_cipher) (unsigned ncipher); | |
b6ba4014 MC |
479 | long (*get_timeout) (void); |
480 | const struct ssl3_enc_method *ssl3_enc; /* Extra SSLv3/TLS stuff */ | |
481 | int (*ssl_version) (void); | |
482 | long (*ssl_callback_ctrl) (SSL *s, int cb_id, void (*fp) (void)); | |
483 | long (*ssl_ctx_callback_ctrl) (SSL_CTX *s, int cb_id, void (*fp) (void)); | |
484 | }; | |
485 | ||
486 | /*- | |
487 | * Lets make this into an ASN.1 type structure as follows | |
488 | * SSL_SESSION_ID ::= SEQUENCE { | |
489 | * version INTEGER, -- structure version number | |
490 | * SSLversion INTEGER, -- SSL version number | |
491 | * Cipher OCTET STRING, -- the 3 byte cipher ID | |
492 | * Session_ID OCTET STRING, -- the Session ID | |
493 | * Master_key OCTET STRING, -- the master key | |
b6ba4014 MC |
494 | * Key_Arg [ 0 ] IMPLICIT OCTET STRING, -- the optional Key argument |
495 | * Time [ 1 ] EXPLICIT INTEGER, -- optional Start Time | |
496 | * Timeout [ 2 ] EXPLICIT INTEGER, -- optional Timeout ins seconds | |
497 | * Peer [ 3 ] EXPLICIT X509, -- optional Peer Certificate | |
498 | * Session_ID_context [ 4 ] EXPLICIT OCTET STRING, -- the Session ID context | |
499 | * Verify_result [ 5 ] EXPLICIT INTEGER, -- X509_V_... code for `Peer' | |
500 | * HostName [ 6 ] EXPLICIT OCTET STRING, -- optional HostName from servername TLS extension | |
501 | * PSK_identity_hint [ 7 ] EXPLICIT OCTET STRING, -- optional PSK identity hint | |
502 | * PSK_identity [ 8 ] EXPLICIT OCTET STRING, -- optional PSK identity | |
503 | * Ticket_lifetime_hint [9] EXPLICIT INTEGER, -- server's lifetime hint for session ticket | |
504 | * Ticket [10] EXPLICIT OCTET STRING, -- session ticket (clients only) | |
505 | * Compression_meth [11] EXPLICIT OCTET STRING, -- optional compression method | |
506 | * SRP_username [ 12 ] EXPLICIT OCTET STRING -- optional SRP username | |
6f152a15 | 507 | * flags [ 13 ] EXPLICIT INTEGER -- optional flags |
b6ba4014 MC |
508 | * } |
509 | * Look in ssl/ssl_asn1.c for more details | |
510 | * I'm using EXPLICIT tags so I can read the damn things using asn1parse :-). | |
511 | */ | |
512 | struct ssl_session_st { | |
a230b26e EK |
513 | int ssl_version; /* what ssl version session info is being kept |
514 | * in here? */ | |
8c1a5343 | 515 | size_t master_key_length; |
ec15acb6 MC |
516 | |
517 | /* | |
518 | * For <=TLS1.2 this is the master_key. For TLS1.3 this is the resumption | |
519 | * master secret | |
520 | */ | |
1a3392c8 | 521 | unsigned char master_key[TLS13_MAX_RESUMPTION_MASTER_LENGTH]; |
b6ba4014 | 522 | /* session_id - valid? */ |
ec60ccc1 | 523 | size_t session_id_length; |
b6ba4014 MC |
524 | unsigned char session_id[SSL_MAX_SSL_SESSION_ID_LENGTH]; |
525 | /* | |
526 | * this is used to determine whether the session is being reused in the | |
527 | * appropriate context. It is up to the application to set this, via | |
528 | * SSL_new | |
529 | */ | |
ec60ccc1 | 530 | size_t sid_ctx_length; |
b6ba4014 | 531 | unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH]; |
b6ba4014 MC |
532 | # ifndef OPENSSL_NO_PSK |
533 | char *psk_identity_hint; | |
534 | char *psk_identity; | |
535 | # endif | |
536 | /* | |
537 | * Used to indicate that session resumption is not allowed. Applications | |
538 | * can also set this bit for a new session via not_resumable_session_cb | |
539 | * to disable session caching and tickets. | |
540 | */ | |
541 | int not_resumable; | |
a273c6ee | 542 | /* This is the cert and type for the other end. */ |
b6ba4014 | 543 | X509 *peer; |
a273c6ee | 544 | int peer_type; |
fa7c2637 | 545 | /* Certificate chain peer sent. */ |
c34b0f99 | 546 | STACK_OF(X509) *peer_chain; |
b6ba4014 MC |
547 | /* |
548 | * when app_verify_callback accepts a session where the peer's | |
549 | * certificate is not ok, we must remember the error for session reuse: | |
550 | */ | |
551 | long verify_result; /* only for servers */ | |
2f545ae4 | 552 | CRYPTO_REF_COUNT references; |
b6ba4014 MC |
553 | long timeout; |
554 | long time; | |
555 | unsigned int compress_meth; /* Need to lookup the method */ | |
556 | const SSL_CIPHER *cipher; | |
a230b26e EK |
557 | unsigned long cipher_id; /* when ASN.1 loaded, this needs to be used to |
558 | * load the 'cipher' structure */ | |
b6ba4014 MC |
559 | STACK_OF(SSL_CIPHER) *ciphers; /* shared ciphers? */ |
560 | CRYPTO_EX_DATA ex_data; /* application specific data */ | |
561 | /* | |
562 | * These are used to make removal of session-ids more efficient and to | |
563 | * implement a maximum cache size. | |
564 | */ | |
565 | struct ssl_session_st *prev, *next; | |
aff8c126 RS |
566 | |
567 | struct { | |
568 | char *hostname; | |
e481f9b9 | 569 | # ifndef OPENSSL_NO_EC |
aff8c126 RS |
570 | size_t ecpointformats_len; |
571 | unsigned char *ecpointformats; /* peer's list */ | |
572 | size_t supportedgroups_len; | |
573 | unsigned char *supportedgroups; /* peer's list */ | |
a230b26e | 574 | # endif /* OPENSSL_NO_EC */ |
b6ba4014 | 575 | /* RFC4507 info */ |
aff8c126 RS |
576 | unsigned char *tick; /* Session ticket */ |
577 | size_t ticklen; /* Session ticket length */ | |
578 | /* Session lifetime hint in seconds */ | |
579 | unsigned long tick_lifetime_hint; | |
fc24f0bf | 580 | uint32_t tick_age_add; |
ec15acb6 | 581 | int tick_identity; |
5d5b3fba MC |
582 | /* Max number of bytes that can be sent as early data */ |
583 | uint32_t max_early_data; | |
f6370040 MC |
584 | /* The ALPN protocol selected for this session */ |
585 | unsigned char *alpn_selected; | |
586 | size_t alpn_selected_len; | |
aff8c126 | 587 | } ext; |
b6ba4014 MC |
588 | # ifndef OPENSSL_NO_SRP |
589 | char *srp_username; | |
590 | # endif | |
f7d53487 | 591 | uint32_t flags; |
16203f7b | 592 | CRYPTO_RWLOCK *lock; |
b6ba4014 MC |
593 | }; |
594 | ||
6f152a15 | 595 | /* Extended master secret support */ |
a230b26e | 596 | # define SSL_SESS_FLAG_EXTMS 0x1 |
b6ba4014 MC |
597 | |
598 | # ifndef OPENSSL_NO_SRP | |
599 | ||
600 | typedef struct srp_ctx_st { | |
601 | /* param for all the callbacks */ | |
602 | void *SRP_cb_arg; | |
603 | /* set client Hello login callback */ | |
604 | int (*TLS_ext_srp_username_callback) (SSL *, int *, void *); | |
605 | /* set SRP N/g param callback for verification */ | |
606 | int (*SRP_verify_param_callback) (SSL *, void *); | |
607 | /* set SRP client passwd callback */ | |
608 | char *(*SRP_give_srp_client_pwd_callback) (SSL *, void *); | |
609 | char *login; | |
610 | BIGNUM *N, *g, *s, *B, *A; | |
611 | BIGNUM *a, *b, *v; | |
612 | char *info; | |
613 | int strength; | |
614 | unsigned long srp_Mask; | |
615 | } SRP_CTX; | |
616 | ||
617 | # endif | |
618 | ||
49e7fe12 MC |
619 | typedef enum { |
620 | SSL_EARLY_DATA_NONE = 0, | |
621 | SSL_EARLY_DATA_CONNECT_RETRY, | |
622 | SSL_EARLY_DATA_CONNECTING, | |
623 | SSL_EARLY_DATA_WRITE_RETRY, | |
624 | SSL_EARLY_DATA_WRITING, | |
09f28874 | 625 | SSL_EARLY_DATA_UNAUTH_WRITING, |
d781d247 MC |
626 | SSL_EARLY_DATA_FINISHED_WRITING, |
627 | SSL_EARLY_DATA_ACCEPT_RETRY, | |
628 | SSL_EARLY_DATA_ACCEPTING, | |
629 | SSL_EARLY_DATA_READ_RETRY, | |
630 | SSL_EARLY_DATA_READING, | |
631 | SSL_EARLY_DATA_FINISHED_READING | |
49e7fe12 MC |
632 | } SSL_EARLY_DATA_STATE; |
633 | ||
70ef40a0 MC |
634 | /* |
635 | * We check that the amount of unreadable early data doesn't exceed | |
636 | * max_early_data. max_early_data is given in plaintext bytes. However if it is | |
637 | * unreadable then we only know the number of ciphertext bytes. We also don't | |
638 | * know how much the overhead should be because it depends on the ciphersuite. | |
639 | * We make a small allowance. We assume 5 records of actual data plus the end | |
640 | * of early data alert record. Each record has a tag and a content type byte. | |
641 | * The longest tag length we know of is EVP_GCM_TLS_TAG_LEN. We don't count the | |
642 | * content of the alert record either which is 2 bytes. | |
643 | */ | |
644 | # define EARLY_DATA_CIPHERTEXT_OVERHEAD ((6 * (EVP_GCM_TLS_TAG_LEN + 1)) + 2) | |
645 | ||
2c604cb9 MC |
646 | /* |
647 | * The allowance we have between the client's calculated ticket age and our own. | |
648 | * We allow for 10 seconds (units are in ms). If a ticket is presented and the | |
649 | * client's age calculation is different by more than this than our own then we | |
650 | * do not allow that ticket for early_data. | |
651 | */ | |
652 | # define TICKET_AGE_ALLOWANCE (10 * 1000) | |
653 | ||
cb7a1f5f BK |
654 | #define MAX_COMPRESSIONS_SIZE 255 |
655 | ||
b6ba4014 MC |
656 | struct ssl_comp_st { |
657 | int id; | |
658 | const char *name; | |
b6ba4014 | 659 | COMP_METHOD *method; |
b6ba4014 MC |
660 | }; |
661 | ||
cb7a1f5f BK |
662 | typedef struct raw_extension_st { |
663 | /* Raw packet data for the extension */ | |
664 | PACKET data; | |
665 | /* Set to 1 if the extension is present or 0 otherwise */ | |
666 | int present; | |
667 | /* Set to 1 if we have already parsed the extension or 0 otherwise */ | |
668 | int parsed; | |
669 | /* The type of this extension, i.e. a TLSEXT_TYPE_* value */ | |
670 | unsigned int type; | |
671 | } RAW_EXTENSION; | |
672 | ||
673 | typedef struct { | |
674 | unsigned int isv2; | |
675 | unsigned int legacy_version; | |
676 | unsigned char random[SSL3_RANDOM_SIZE]; | |
677 | size_t session_id_len; | |
678 | unsigned char session_id[SSL_MAX_SSL_SESSION_ID_LENGTH]; | |
679 | size_t dtls_cookie_len; | |
680 | unsigned char dtls_cookie[DTLS1_COOKIE_LENGTH]; | |
681 | PACKET ciphersuites; | |
682 | size_t compressions_len; | |
683 | unsigned char compressions[MAX_COMPRESSIONS_SIZE]; | |
684 | PACKET extensions; | |
685 | size_t pre_proc_exts_len; | |
686 | RAW_EXTENSION *pre_proc_exts; | |
687 | } CLIENTHELLO_MSG; | |
688 | ||
b186a592 MC |
689 | /* |
690 | * Extension index values NOTE: Any updates to these defines should be mirrored | |
691 | * with equivalent updates to ext_defs in extensions.c | |
692 | */ | |
693 | typedef enum tlsext_index_en { | |
694 | TLSEXT_IDX_renegotiate, | |
695 | TLSEXT_IDX_server_name, | |
696 | TLSEXT_IDX_srp, | |
697 | TLSEXT_IDX_ec_point_formats, | |
698 | TLSEXT_IDX_supported_groups, | |
699 | TLSEXT_IDX_session_ticket, | |
700 | TLSEXT_IDX_signature_algorithms, | |
701 | TLSEXT_IDX_status_request, | |
702 | TLSEXT_IDX_next_proto_neg, | |
703 | TLSEXT_IDX_application_layer_protocol_negotiation, | |
704 | TLSEXT_IDX_use_srtp, | |
705 | TLSEXT_IDX_encrypt_then_mac, | |
706 | TLSEXT_IDX_signed_certificate_timestamp, | |
707 | TLSEXT_IDX_extended_master_secret, | |
708 | TLSEXT_IDX_supported_versions, | |
709 | TLSEXT_IDX_psk_kex_modes, | |
710 | TLSEXT_IDX_key_share, | |
711 | TLSEXT_IDX_cookie, | |
712 | TLSEXT_IDX_cryptopro_bug, | |
713 | TLSEXT_IDX_early_data, | |
714 | TLSEXT_IDX_certificate_authorities, | |
715 | TLSEXT_IDX_padding, | |
716 | TLSEXT_IDX_psk, | |
717 | /* Dummy index - must always be the last entry */ | |
718 | TLSEXT_IDX_num_builtins | |
719 | } TLSEXT_INDEX; | |
720 | ||
89d6aa10 | 721 | DEFINE_LHASH_OF(SSL_SESSION); |
ce023e77 VD |
722 | /* Needed in ssl_cert.c */ |
723 | DEFINE_LHASH_OF(X509_NAME); | |
f8e0a557 | 724 | |
a230b26e | 725 | # define TLSEXT_KEYNAME_LENGTH 16 |
d139723b | 726 | |
b6ba4014 MC |
727 | struct ssl_ctx_st { |
728 | const SSL_METHOD *method; | |
729 | STACK_OF(SSL_CIPHER) *cipher_list; | |
730 | /* same as above but sorted for lookup */ | |
731 | STACK_OF(SSL_CIPHER) *cipher_list_by_id; | |
732 | struct x509_store_st /* X509_STORE */ *cert_store; | |
733 | LHASH_OF(SSL_SESSION) *sessions; | |
734 | /* | |
735 | * Most session-ids that will be cached, default is | |
736 | * SSL_SESSION_CACHE_MAX_SIZE_DEFAULT. 0 is unlimited. | |
737 | */ | |
cb150cbc | 738 | size_t session_cache_size; |
b6ba4014 MC |
739 | struct ssl_session_st *session_cache_head; |
740 | struct ssl_session_st *session_cache_tail; | |
741 | /* | |
742 | * This can have one of 2 values, ored together, SSL_SESS_CACHE_CLIENT, | |
743 | * SSL_SESS_CACHE_SERVER, Default is SSL_SESSION_CACHE_SERVER, which | |
744 | * means only SSL_accept which cache SSL_SESSIONS. | |
745 | */ | |
f7d53487 | 746 | uint32_t session_cache_mode; |
b6ba4014 MC |
747 | /* |
748 | * If timeout is not 0, it is the default timeout value set when | |
749 | * SSL_new() is called. This has been put in to make life easier to set | |
750 | * things up | |
751 | */ | |
752 | long session_timeout; | |
753 | /* | |
754 | * If this callback is not null, it will be called each time a session id | |
755 | * is added to the cache. If this function returns 1, it means that the | |
756 | * callback will do a SSL_SESSION_free() when it has finished using it. | |
757 | * Otherwise, on 0, it means the callback has finished with it. If | |
758 | * remove_session_cb is not null, it will be called when a session-id is | |
759 | * removed from the cache. After the call, OpenSSL will | |
760 | * SSL_SESSION_free() it. | |
761 | */ | |
762 | int (*new_session_cb) (struct ssl_st *ssl, SSL_SESSION *sess); | |
763 | void (*remove_session_cb) (struct ssl_ctx_st *ctx, SSL_SESSION *sess); | |
764 | SSL_SESSION *(*get_session_cb) (struct ssl_st *ssl, | |
b6981744 EK |
765 | const unsigned char *data, int len, |
766 | int *copy); | |
b6ba4014 MC |
767 | struct { |
768 | int sess_connect; /* SSL new conn - started */ | |
769 | int sess_connect_renegotiate; /* SSL reneg - requested */ | |
770 | int sess_connect_good; /* SSL new conne/reneg - finished */ | |
771 | int sess_accept; /* SSL new accept - started */ | |
772 | int sess_accept_renegotiate; /* SSL reneg - requested */ | |
773 | int sess_accept_good; /* SSL accept/reneg - finished */ | |
774 | int sess_miss; /* session lookup misses */ | |
775 | int sess_timeout; /* reuse attempt on timeouted session */ | |
776 | int sess_cache_full; /* session removed due to full cache */ | |
777 | int sess_hit; /* session reuse actually done */ | |
778 | int sess_cb_hit; /* session-id that was not in the cache was | |
779 | * passed back via the callback. This | |
a230b26e EK |
780 | * indicates that the application is supplying |
781 | * session-id's from other processes - spooky | |
782 | * :-) */ | |
b6ba4014 MC |
783 | } stats; |
784 | ||
2f545ae4 | 785 | CRYPTO_REF_COUNT references; |
b6ba4014 MC |
786 | |
787 | /* if defined, these override the X509_verify_cert() calls */ | |
788 | int (*app_verify_callback) (X509_STORE_CTX *, void *); | |
789 | void *app_verify_arg; | |
790 | /* | |
791 | * before OpenSSL 0.9.7, 'app_verify_arg' was ignored | |
792 | * ('app_verify_callback' was called with just one argument) | |
793 | */ | |
794 | ||
795 | /* Default password callback. */ | |
796 | pem_password_cb *default_passwd_callback; | |
797 | ||
798 | /* Default password callback user data. */ | |
799 | void *default_passwd_callback_userdata; | |
800 | ||
801 | /* get client cert callback */ | |
802 | int (*client_cert_cb) (SSL *ssl, X509 **x509, EVP_PKEY **pkey); | |
803 | ||
804 | /* cookie generate callback */ | |
805 | int (*app_gen_cookie_cb) (SSL *ssl, unsigned char *cookie, | |
806 | unsigned int *cookie_len); | |
807 | ||
808 | /* verify cookie callback */ | |
31011544 | 809 | int (*app_verify_cookie_cb) (SSL *ssl, const unsigned char *cookie, |
b6ba4014 MC |
810 | unsigned int cookie_len); |
811 | ||
812 | CRYPTO_EX_DATA ex_data; | |
813 | ||
814 | const EVP_MD *md5; /* For SSLv3/TLSv1 'ssl3-md5' */ | |
815 | const EVP_MD *sha1; /* For SSLv3/TLSv1 'ssl3->sha1' */ | |
816 | ||
817 | STACK_OF(X509) *extra_certs; | |
818 | STACK_OF(SSL_COMP) *comp_methods; /* stack of SSL_COMP, SSLv3/TLSv1 */ | |
819 | ||
820 | /* Default values used when no per-SSL value is defined follow */ | |
821 | ||
822 | /* used if SSL's info_callback is NULL */ | |
823 | void (*info_callback) (const SSL *ssl, int type, int val); | |
824 | ||
fa7c2637 DSH |
825 | /* |
826 | * What we put in certificate_authorities extension for TLS 1.3 | |
827 | * (ClientHello and CertificateRequest) or just client cert requests for | |
828 | * earlier versions. | |
829 | */ | |
830 | STACK_OF(X509_NAME) *ca_names; | |
b6ba4014 MC |
831 | |
832 | /* | |
833 | * Default values to use in SSL structures follow (these are copied by | |
834 | * SSL_new) | |
835 | */ | |
836 | ||
f7d53487 DSH |
837 | uint32_t options; |
838 | uint32_t mode; | |
7946ab33 KR |
839 | int min_proto_version; |
840 | int max_proto_version; | |
12472b45 | 841 | size_t max_cert_list; |
b6ba4014 MC |
842 | |
843 | struct cert_st /* CERT */ *cert; | |
844 | int read_ahead; | |
845 | ||
846 | /* callback that allows applications to peek at protocol messages */ | |
847 | void (*msg_callback) (int write_p, int version, int content_type, | |
848 | const void *buf, size_t len, SSL *ssl, void *arg); | |
849 | void *msg_callback_arg; | |
850 | ||
f7d53487 | 851 | uint32_t verify_mode; |
ec60ccc1 | 852 | size_t sid_ctx_length; |
b6ba4014 MC |
853 | unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH]; |
854 | /* called 'verify_callback' in the SSL */ | |
855 | int (*default_verify_callback) (int ok, X509_STORE_CTX *ctx); | |
856 | ||
857 | /* Default generate session ID callback. */ | |
858 | GEN_SESSION_CB generate_session_id; | |
859 | ||
860 | X509_VERIFY_PARAM *param; | |
861 | ||
862 | int quiet_shutdown; | |
863 | ||
a230b26e EK |
864 | # ifndef OPENSSL_NO_CT |
865 | CTLOG_STORE *ctlog_store; /* CT Log Store */ | |
ed29e82a | 866 | /* |
a230b26e EK |
867 | * Validates that the SCTs (Signed Certificate Timestamps) are sufficient. |
868 | * If they are not, the connection should be aborted. | |
869 | */ | |
43341433 | 870 | ssl_ct_validation_cb ct_validation_callback; |
ed29e82a | 871 | void *ct_validation_callback_arg; |
a230b26e | 872 | # endif |
ed29e82a | 873 | |
d102d9df MC |
874 | /* |
875 | * If we're using more than one pipeline how should we divide the data | |
876 | * up between the pipes? | |
877 | */ | |
7ee8627f | 878 | size_t split_send_fragment; |
b6ba4014 MC |
879 | /* |
880 | * Maximum amount of data to send in one fragment. actual record size can | |
881 | * be more than this due to padding and MAC overheads. | |
882 | */ | |
7ee8627f | 883 | size_t max_send_fragment; |
b6ba4014 | 884 | |
d102d9df | 885 | /* Up to how many pipelines should we use? If 0 then 1 is assumed */ |
7ee8627f | 886 | size_t max_pipelines; |
d102d9df | 887 | |
dad78fb1 MC |
888 | /* The default read buffer length to use (0 means not set) */ |
889 | size_t default_read_buf_len; | |
890 | ||
a230b26e | 891 | # ifndef OPENSSL_NO_ENGINE |
b6ba4014 MC |
892 | /* |
893 | * Engine to pass requests for client certs to | |
894 | */ | |
895 | ENGINE *client_cert_engine; | |
a230b26e | 896 | # endif |
b6ba4014 | 897 | |
6b1bb98f BK |
898 | /* Early callback. Mostly for extensions, but not entirely. */ |
899 | SSL_early_cb_fn early_cb; | |
900 | void *early_cb_arg; | |
901 | ||
aff8c126 RS |
902 | /* TLS extensions. */ |
903 | struct { | |
904 | /* TLS extensions servername callback */ | |
905 | int (*servername_cb) (SSL *, int *, void *); | |
906 | void *servername_arg; | |
907 | /* RFC 4507 session ticket keys */ | |
908 | unsigned char tick_key_name[TLSEXT_KEYNAME_LENGTH]; | |
909 | unsigned char tick_hmac_key[32]; | |
910 | unsigned char tick_aes_key[32]; | |
911 | /* Callback to support customisation of ticket key setting */ | |
912 | int (*ticket_key_cb) (SSL *ssl, | |
913 | unsigned char *name, unsigned char *iv, | |
914 | EVP_CIPHER_CTX *ectx, HMAC_CTX *hctx, int enc); | |
915 | ||
916 | /* certificate status request info */ | |
917 | /* Callback for status request */ | |
918 | int (*status_cb) (SSL *ssl, void *arg); | |
919 | void *status_arg; | |
920 | /* ext status type used for CSR extension (OCSP Stapling) */ | |
921 | int status_type; | |
b6ba4014 | 922 | |
aff8c126 RS |
923 | # ifndef OPENSSL_NO_EC |
924 | /* EC extension values inherited by SSL structure */ | |
925 | size_t ecpointformats_len; | |
926 | unsigned char *ecpointformats; | |
927 | size_t supportedgroups_len; | |
928 | unsigned char *supportedgroups; | |
929 | # endif /* OPENSSL_NO_EC */ | |
b6ba4014 | 930 | |
aff8c126 RS |
931 | /* |
932 | * ALPN information (we are in the process of transitioning from NPN to | |
933 | * ALPN.) | |
934 | */ | |
b6ba4014 MC |
935 | |
936 | /*- | |
937 | * For a server, this contains a callback function that allows the | |
938 | * server to select the protocol for the connection. | |
939 | * out: on successful return, this must point to the raw protocol | |
940 | * name (without the length prefix). | |
941 | * outlen: on successful return, this contains the length of |*out|. | |
942 | * in: points to the client's list of supported protocols in | |
943 | * wire-format. | |
944 | * inlen: the length of |in|. | |
945 | */ | |
aff8c126 RS |
946 | int (*alpn_select_cb) (SSL *s, |
947 | const unsigned char **out, | |
948 | unsigned char *outlen, | |
949 | const unsigned char *in, | |
950 | unsigned int inlen, void *arg); | |
951 | void *alpn_select_cb_arg; | |
b6ba4014 | 952 | |
aff8c126 RS |
953 | /* |
954 | * For a client, this contains the list of supported protocols in wire | |
955 | * format. | |
956 | */ | |
957 | unsigned char *alpn; | |
958 | size_t alpn_len; | |
959 | ||
e3bc1305 | 960 | # ifndef OPENSSL_NO_NEXTPROTONEG |
aff8c126 RS |
961 | /* Next protocol negotiation information */ |
962 | ||
963 | /* | |
964 | * For a server, this contains a callback function by which the set of | |
965 | * advertised protocols can be provided. | |
966 | */ | |
8cbfcc70 | 967 | SSL_CTX_npn_advertised_cb_func npn_advertised_cb; |
aff8c126 RS |
968 | void *npn_advertised_cb_arg; |
969 | /* | |
970 | * For a client, this contains a callback function that selects the next | |
971 | * protocol from the list provided by the server. | |
972 | */ | |
8cbfcc70 | 973 | SSL_CTX_npn_select_cb_func npn_select_cb; |
aff8c126 RS |
974 | void *npn_select_cb_arg; |
975 | # endif | |
976 | } ext; | |
977 | ||
978 | # ifndef OPENSSL_NO_PSK | |
8cbfcc70 RS |
979 | SSL_psk_client_cb_func psk_client_callback; |
980 | SSL_psk_server_cb_func psk_server_callback; | |
aff8c126 RS |
981 | # endif |
982 | ||
983 | # ifndef OPENSSL_NO_SRP | |
984 | SRP_CTX srp_ctx; /* ctx for SRP authentication */ | |
985 | # endif | |
b6ba4014 | 986 | |
919ba009 VD |
987 | /* Shared DANE context */ |
988 | struct dane_ctx_st dane; | |
989 | ||
b6ba4014 MC |
990 | /* SRTP profiles we are willing to do from RFC 5764 */ |
991 | STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles; | |
b6ba4014 MC |
992 | /* |
993 | * Callback for disabling session caching and ticket support on a session | |
994 | * basis, depending on the chosen cipher. | |
995 | */ | |
996 | int (*not_resumable_session_cb) (SSL *ssl, int is_forward_secure); | |
ba261f71 | 997 | |
16203f7b | 998 | CRYPTO_RWLOCK *lock; |
2faa1b48 CB |
999 | |
1000 | /* | |
1001 | * Callback for logging key material for use with debugging tools like | |
1002 | * Wireshark. The callback should log `line` followed by a newline. | |
1003 | */ | |
1004 | SSL_CTX_keylog_cb_func keylog_callback; | |
3fc8d856 MC |
1005 | |
1006 | /* The maximum number of bytes that can be sent as early data */ | |
1007 | uint32_t max_early_data; | |
c649d10d TS |
1008 | |
1009 | /* TLS1.3 padding callback */ | |
1010 | size_t (*record_padding_cb)(SSL *s, int type, size_t len, void *arg); | |
1011 | void *record_padding_arg; | |
1012 | size_t block_padding; | |
b6ba4014 MC |
1013 | }; |
1014 | ||
b6ba4014 MC |
1015 | struct ssl_st { |
1016 | /* | |
1017 | * protocol version (one of SSL2_VERSION, SSL3_VERSION, TLS1_VERSION, | |
1018 | * DTLS1_VERSION) | |
1019 | */ | |
1020 | int version; | |
b6ba4014 MC |
1021 | /* SSLv3 */ |
1022 | const SSL_METHOD *method; | |
1023 | /* | |
1024 | * There are 2 BIO's even though they are normally both the same. This | |
1025 | * is so data can be read and written to different handlers | |
1026 | */ | |
1027 | /* used by SSL_read */ | |
1028 | BIO *rbio; | |
1029 | /* used by SSL_write */ | |
1030 | BIO *wbio; | |
1031 | /* used during session-id reuse to concatenate messages */ | |
1032 | BIO *bbio; | |
1033 | /* | |
1034 | * This holds a variable that indicates what we were doing when a 0 or -1 | |
1035 | * is returned. This is needed for non-blocking IO so we know what | |
1036 | * request needs re-doing when in SSL_accept or SSL_connect | |
1037 | */ | |
1038 | int rwstate; | |
b6ba4014 MC |
1039 | int (*handshake_func) (SSL *); |
1040 | /* | |
1041 | * Imagine that here's a boolean member "init" that is switched as soon | |
1042 | * as SSL_set_{accept/connect}_state is called for the first time, so | |
1043 | * that "state" and "handshake_func" are properly initialized. But as | |
1044 | * handshake_func is == 0 until then, we use this test instead of an | |
1045 | * "init" member. | |
1046 | */ | |
23a635c0 | 1047 | /* are we the server side? */ |
b6ba4014 MC |
1048 | int server; |
1049 | /* | |
1050 | * Generate a new session or reuse an old one. | |
1051 | * NB: For servers, the 'new' session may actually be a previously | |
1052 | * cached session or even the previous session unless | |
1053 | * SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION is set | |
1054 | */ | |
1055 | int new_session; | |
1056 | /* don't send shutdown packets */ | |
1057 | int quiet_shutdown; | |
1058 | /* we have shut things down, 0x01 sent, 0x02 for received */ | |
1059 | int shutdown; | |
1060 | /* where we are */ | |
d6f1a6e9 | 1061 | OSSL_STATEM statem; |
49e7fe12 | 1062 | SSL_EARLY_DATA_STATE early_data_state; |
b6ba4014 MC |
1063 | BUF_MEM *init_buf; /* buffer used during init */ |
1064 | void *init_msg; /* pointer to handshake message body, set by | |
1065 | * ssl3_get_message() */ | |
eda75751 MC |
1066 | size_t init_num; /* amount read/written */ |
1067 | size_t init_off; /* amount read/written */ | |
b6ba4014 MC |
1068 | struct ssl3_state_st *s3; /* SSLv3 variables */ |
1069 | struct dtls1_state_st *d1; /* DTLSv1 variables */ | |
b6ba4014 MC |
1070 | /* callback that allows applications to peek at protocol messages */ |
1071 | void (*msg_callback) (int write_p, int version, int content_type, | |
1072 | const void *buf, size_t len, SSL *ssl, void *arg); | |
1073 | void *msg_callback_arg; | |
1074 | int hit; /* reusing a previous session */ | |
1075 | X509_VERIFY_PARAM *param; | |
919ba009 | 1076 | /* Per connection DANE state */ |
b9aec69a | 1077 | SSL_DANE dane; |
b6ba4014 MC |
1078 | /* crypto */ |
1079 | STACK_OF(SSL_CIPHER) *cipher_list; | |
1080 | STACK_OF(SSL_CIPHER) *cipher_list_by_id; | |
1081 | /* | |
1082 | * These are the ones being used, the ones in SSL_SESSION are the ones to | |
1083 | * be 'copied' into these ones | |
1084 | */ | |
f7d53487 | 1085 | uint32_t mac_flags; |
34574f19 | 1086 | /* |
ec15acb6 MC |
1087 | * The TLS1.3 secrets. The resumption master secret is stored in the |
1088 | * session. | |
34574f19 MC |
1089 | */ |
1090 | unsigned char early_secret[EVP_MAX_MD_SIZE]; | |
1091 | unsigned char handshake_secret[EVP_MAX_MD_SIZE]; | |
ec15acb6 | 1092 | unsigned char master_secret[EVP_MAX_MD_SIZE]; |
6484776f MC |
1093 | unsigned char client_finished_secret[EVP_MAX_MD_SIZE]; |
1094 | unsigned char server_finished_secret[EVP_MAX_MD_SIZE]; | |
ace081c1 | 1095 | unsigned char server_finished_hash[EVP_MAX_MD_SIZE]; |
fe5e20fd | 1096 | unsigned char handshake_traffic_hash[EVP_MAX_MD_SIZE]; |
57389a32 MC |
1097 | unsigned char client_app_traffic_secret[EVP_MAX_MD_SIZE]; |
1098 | unsigned char server_app_traffic_secret[EVP_MAX_MD_SIZE]; | |
b6ba4014 | 1099 | EVP_CIPHER_CTX *enc_read_ctx; /* cryptographic state */ |
bebc0c7d | 1100 | unsigned char read_iv[EVP_MAX_IV_LENGTH]; /* TLSv1.3 static read IV */ |
b6ba4014 | 1101 | EVP_MD_CTX *read_hash; /* used for mac generation */ |
9a555706 | 1102 | COMP_CTX *compress; /* compression */ |
b6ba4014 | 1103 | COMP_CTX *expand; /* uncompress */ |
b6ba4014 | 1104 | EVP_CIPHER_CTX *enc_write_ctx; /* cryptographic state */ |
bebc0c7d | 1105 | unsigned char write_iv[EVP_MAX_IV_LENGTH]; /* TLSv1.3 static write IV */ |
b6ba4014 | 1106 | EVP_MD_CTX *write_hash; /* used for mac generation */ |
82f992cb MC |
1107 | /* Count of how many KeyUpdate messages we have received */ |
1108 | unsigned int key_update_count; | |
b6ba4014 MC |
1109 | /* session info */ |
1110 | /* client cert? */ | |
1111 | /* This is used to hold the server certificate used */ | |
1112 | struct cert_st /* CERT */ *cert; | |
2c5dfdc3 MC |
1113 | |
1114 | /* | |
1115 | * The hash of all messages prior to the CertificateVerify, and the length | |
1116 | * of that hash. | |
1117 | */ | |
1118 | unsigned char cert_verify_hash[EVP_MAX_MD_SIZE]; | |
1119 | size_t cert_verify_hash_len; | |
1120 | ||
7d061fce MC |
1121 | /* Flag to indicate whether we should send a HelloRetryRequest or not */ |
1122 | int hello_retry_request; | |
1123 | ||
b6ba4014 MC |
1124 | /* |
1125 | * the session_id_context is used to ensure sessions are only reused in | |
1126 | * the appropriate context | |
1127 | */ | |
ec60ccc1 | 1128 | size_t sid_ctx_length; |
b6ba4014 MC |
1129 | unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH]; |
1130 | /* This can also be in the session once a session is established */ | |
1131 | SSL_SESSION *session; | |
1132 | /* Default generate session ID callback. */ | |
1133 | GEN_SESSION_CB generate_session_id; | |
1134 | /* Used in SSL3 */ | |
1135 | /* | |
1136 | * 0 don't care about verify failure. | |
1137 | * 1 fail if verify fails | |
1138 | */ | |
f7d53487 | 1139 | uint32_t verify_mode; |
b6ba4014 MC |
1140 | /* fail if callback returns 0 */ |
1141 | int (*verify_callback) (int ok, X509_STORE_CTX *ctx); | |
1142 | /* optional informational callback */ | |
1143 | void (*info_callback) (const SSL *ssl, int type, int val); | |
1144 | /* error bytes to be written */ | |
1145 | int error; | |
1146 | /* actual code */ | |
1147 | int error_code; | |
a230b26e | 1148 | # ifndef OPENSSL_NO_PSK |
8cbfcc70 RS |
1149 | SSL_psk_client_cb_func psk_client_callback; |
1150 | SSL_psk_server_cb_func psk_server_callback; | |
a230b26e | 1151 | # endif |
b6ba4014 | 1152 | SSL_CTX *ctx; |
696178ed DSH |
1153 | /* Verified chain of peer */ |
1154 | STACK_OF(X509) *verified_chain; | |
b6ba4014 | 1155 | long verify_result; |
696178ed | 1156 | /* extra application data */ |
b6ba4014 MC |
1157 | CRYPTO_EX_DATA ex_data; |
1158 | /* for server side, keep the list of CA_dn we can use */ | |
fa7c2637 | 1159 | STACK_OF(X509_NAME) *ca_names; |
2f545ae4 | 1160 | CRYPTO_REF_COUNT references; |
b6ba4014 | 1161 | /* protocol behaviour */ |
f7d53487 | 1162 | uint32_t options; |
b6ba4014 | 1163 | /* API behaviour */ |
f7d53487 | 1164 | uint32_t mode; |
7946ab33 KR |
1165 | int min_proto_version; |
1166 | int max_proto_version; | |
12472b45 | 1167 | size_t max_cert_list; |
b6ba4014 | 1168 | int first_packet; |
7acb8b64 MC |
1169 | /* |
1170 | * What was passed in ClientHello.legacy_version. Used for RSA pre-master | |
1171 | * secret and SSLv3/TLS (<=1.2) rollback check | |
1172 | */ | |
b6ba4014 | 1173 | int client_version; |
d102d9df MC |
1174 | /* |
1175 | * If we're using more than one pipeline how should we divide the data | |
1176 | * up between the pipes? | |
1177 | */ | |
7ee8627f | 1178 | size_t split_send_fragment; |
d102d9df MC |
1179 | /* |
1180 | * Maximum amount of data to send in one fragment. actual record size can | |
1181 | * be more than this due to padding and MAC overheads. | |
1182 | */ | |
7ee8627f | 1183 | size_t max_send_fragment; |
d102d9df | 1184 | /* Up to how many pipelines should we use? If 0 then 1 is assumed */ |
7ee8627f | 1185 | size_t max_pipelines; |
aff8c126 RS |
1186 | |
1187 | struct { | |
b186a592 MC |
1188 | /* Built-in extension flags */ |
1189 | uint8_t extflags[TLSEXT_IDX_num_builtins]; | |
aff8c126 | 1190 | /* TLS extension debug callback */ |
1ed327f7 RS |
1191 | void (*debug_cb)(SSL *s, int client_server, int type, |
1192 | const unsigned char *data, int len, void *arg); | |
aff8c126 RS |
1193 | void *debug_arg; |
1194 | char *hostname; | |
1195 | /* certificate status request info */ | |
1196 | /* Status type or -1 if no status type */ | |
1197 | int status_type; | |
1198 | /* Raw extension data, if seen */ | |
1199 | unsigned char *scts; | |
1200 | /* Length of raw extension data, if seen */ | |
1201 | uint16_t scts_len; | |
1202 | /* Expect OCSP CertificateStatus message */ | |
1203 | int status_expected; | |
1204 | ||
1205 | struct { | |
1206 | /* OCSP status request only */ | |
1207 | STACK_OF(OCSP_RESPID) *ids; | |
1208 | X509_EXTENSIONS *exts; | |
1209 | /* OCSP response received or to be sent */ | |
1210 | unsigned char *resp; | |
1211 | size_t resp_len; | |
1212 | } ocsp; | |
1213 | ||
1214 | /* RFC4507 session ticket expected to be received or sent */ | |
1215 | int ticket_expected; | |
1216 | # ifndef OPENSSL_NO_EC | |
1217 | size_t ecpointformats_len; | |
1218 | /* our list */ | |
1219 | unsigned char *ecpointformats; | |
1220 | size_t supportedgroups_len; | |
1221 | /* our list */ | |
1222 | unsigned char *supportedgroups; | |
1223 | # endif /* OPENSSL_NO_EC */ | |
1224 | /* TLS Session Ticket extension override */ | |
1225 | TLS_SESSION_TICKET_EXT *session_ticket; | |
1226 | /* TLS Session Ticket extension callback */ | |
1227 | tls_session_ticket_ext_cb_fn session_ticket_cb; | |
1228 | void *session_ticket_cb_arg; | |
1229 | /* TLS pre-shared secret session resumption */ | |
1230 | tls_session_secret_cb_fn session_secret_cb; | |
1231 | void *session_secret_cb_arg; | |
1232 | /* | |
1233 | * For a client, this contains the list of supported protocols in wire | |
1234 | * format. | |
1235 | */ | |
1236 | unsigned char *alpn; | |
1237 | size_t alpn_len; | |
1238 | /* | |
1239 | * Next protocol negotiation. For the client, this is the protocol that | |
1240 | * we sent in NextProtocol and is set when handling ServerHello | |
1241 | * extensions. For a server, this is the client's selected_protocol from | |
1242 | * NextProtocol and is set when handling the NextProtocol message, before | |
1243 | * the Finished message. | |
1244 | */ | |
1245 | unsigned char *npn; | |
1246 | size_t npn_len; | |
b2f7e8c0 | 1247 | |
4086b42b | 1248 | /* The available PSK key exchange modes */ |
b2f7e8c0 | 1249 | int psk_kex_mode; |
28a31a0a MC |
1250 | |
1251 | /* Set to one if we have negotiated ETM */ | |
1252 | int use_etm; | |
0a87d0ac | 1253 | |
1ea4d09a MC |
1254 | /* Are we expecting to receive early data? */ |
1255 | int early_data; | |
2c604cb9 MC |
1256 | /* Is the session suitable for early data? */ |
1257 | int early_data_ok; | |
cfef5027 MC |
1258 | |
1259 | /* May be sent by a server in HRR. Must be echoed back in ClientHello */ | |
1260 | unsigned char *tls13_cookie; | |
1261 | size_t tls13_cookie_len; | |
aff8c126 RS |
1262 | } ext; |
1263 | ||
6b1bb98f BK |
1264 | /* Parsed form of the ClientHello, kept around across early_cb calls. */ |
1265 | CLIENTHELLO_MSG *clienthello; | |
1266 | ||
b6ba4014 MC |
1267 | /*- |
1268 | * no further mod of servername | |
1269 | * 0 : call the servername extension callback. | |
1270 | * 1 : prepare 2, allow last ack just after in server callback. | |
1271 | * 2 : don't call servername callback, no ack in server hello | |
1272 | */ | |
1273 | int servername_done; | |
a230b26e | 1274 | # ifndef OPENSSL_NO_CT |
ed29e82a | 1275 | /* |
a230b26e EK |
1276 | * Validates that the SCTs (Signed Certificate Timestamps) are sufficient. |
1277 | * If they are not, the connection should be aborted. | |
1278 | */ | |
43341433 | 1279 | ssl_ct_validation_cb ct_validation_callback; |
48722ff5 | 1280 | /* User-supplied argument that is passed to the ct_validation_callback */ |
ed29e82a RP |
1281 | void *ct_validation_callback_arg; |
1282 | /* | |
1283 | * Consolidated stack of SCTs from all sources. | |
1284 | * Lazily populated by CT_get_peer_scts(SSL*) | |
1285 | */ | |
1286 | STACK_OF(SCT) *scts; | |
ed29e82a RP |
1287 | /* Have we attempted to find/parse SCTs yet? */ |
1288 | int scts_parsed; | |
a230b26e | 1289 | # endif |
222da979 | 1290 | SSL_CTX *session_ctx; /* initial ctx, used to store sessions */ |
b6ba4014 MC |
1291 | /* What we'll do */ |
1292 | STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles; | |
1293 | /* What's been chosen */ | |
1294 | SRTP_PROTECTION_PROFILE *srtp_profile; | |
b6ba4014 MC |
1295 | /*- |
1296 | * 1 if we are renegotiating. | |
1297 | * 2 if we are a server and are inside a handshake | |
1298 | * (i.e. not just sending a HelloRequest) | |
1299 | */ | |
1300 | int renegotiate; | |
44c04a2e | 1301 | /* If sending a KeyUpdate is pending */ |
4fbfe86a | 1302 | int key_update; |
a230b26e | 1303 | # ifndef OPENSSL_NO_SRP |
b6ba4014 MC |
1304 | /* ctx for SRP authentication */ |
1305 | SRP_CTX srp_ctx; | |
a230b26e | 1306 | # endif |
b6ba4014 MC |
1307 | /* |
1308 | * Callback for disabling session caching and ticket support on a session | |
1309 | * basis, depending on the chosen cipher. | |
1310 | */ | |
1311 | int (*not_resumable_session_cb) (SSL *ssl, int is_forward_secure); | |
28d59af8 | 1312 | RECORD_LAYER rlayer; |
a974e64a MC |
1313 | /* Default password callback. */ |
1314 | pem_password_cb *default_passwd_callback; | |
a974e64a MC |
1315 | /* Default password callback user data. */ |
1316 | void *default_passwd_callback_userdata; | |
07bbc92c MC |
1317 | /* Async Job info */ |
1318 | ASYNC_JOB *job; | |
ff75a257 | 1319 | ASYNC_WAIT_CTX *waitctx; |
7ee8627f | 1320 | size_t asyncrw; |
eda75751 | 1321 | |
70ef40a0 | 1322 | /* The maximum number of plaintext bytes that can be sent as early data */ |
3fc8d856 | 1323 | uint32_t max_early_data; |
70ef40a0 MC |
1324 | /* |
1325 | * The number of bytes of early data received so far. If we accepted early | |
1326 | * data then this is a count of the plaintext bytes. If we rejected it then | |
1327 | * this is a count of the ciphertext bytes. | |
1328 | */ | |
1329 | uint32_t early_data_count; | |
3fc8d856 | 1330 | |
c649d10d TS |
1331 | /* TLS1.3 padding callback */ |
1332 | size_t (*record_padding_cb)(SSL *s, int type, size_t len, void *arg); | |
1333 | void *record_padding_arg; | |
1334 | size_t block_padding; | |
1335 | ||
16203f7b | 1336 | CRYPTO_RWLOCK *lock; |
b6ba4014 MC |
1337 | }; |
1338 | ||
f742cda8 DSH |
1339 | /* |
1340 | * Structure containing table entry of values associated with the signature | |
1341 | * algorithms (signature scheme) extension | |
1342 | */ | |
1343 | typedef struct sigalg_lookup_st { | |
1344 | /* TLS 1.3 signature scheme name */ | |
1345 | const char *name; | |
1346 | /* Raw value used in extension */ | |
1347 | uint16_t sigalg; | |
1348 | /* NID of hash algorithm */ | |
1349 | int hash; | |
17ae384e DSH |
1350 | /* Index of hash algorithm */ |
1351 | int hash_idx; | |
f742cda8 DSH |
1352 | /* NID of signature algorithm */ |
1353 | int sig; | |
17ae384e DSH |
1354 | /* Index of signature algorithm */ |
1355 | int sig_idx; | |
f742cda8 DSH |
1356 | /* Combined hash and signature NID, if any */ |
1357 | int sigandhash; | |
1358 | /* Required public key curve (ECDSA only) */ | |
1359 | int curve; | |
1360 | } SIGALG_LOOKUP; | |
1361 | ||
a497cf25 DSH |
1362 | typedef struct cert_pkey_st CERT_PKEY; |
1363 | ||
b6ba4014 MC |
1364 | typedef struct ssl3_state_st { |
1365 | long flags; | |
b43d1cbb | 1366 | size_t read_mac_secret_size; |
b6ba4014 | 1367 | unsigned char read_mac_secret[EVP_MAX_MD_SIZE]; |
b43d1cbb | 1368 | size_t write_mac_secret_size; |
b6ba4014 MC |
1369 | unsigned char write_mac_secret[EVP_MAX_MD_SIZE]; |
1370 | unsigned char server_random[SSL3_RANDOM_SIZE]; | |
1371 | unsigned char client_random[SSL3_RANDOM_SIZE]; | |
1372 | /* flags for countermeasure against known-IV weakness */ | |
1373 | int need_empty_fragments; | |
1374 | int empty_fragment_done; | |
b6ba4014 MC |
1375 | /* used during startup, digest all incoming/outgoing packets */ |
1376 | BIO *handshake_buffer; | |
1377 | /* | |
28ba2541 DSH |
1378 | * When handshake digest is determined, buffer is hashed and |
1379 | * freed and MD_CTX for the required digest is stored here. | |
b6ba4014 | 1380 | */ |
28ba2541 | 1381 | EVP_MD_CTX *handshake_dgst; |
b6ba4014 MC |
1382 | /* |
1383 | * Set whenever an expected ChangeCipherSpec message is processed. | |
1384 | * Unset when the peer's Finished message is received. | |
1385 | * Unexpected ChangeCipherSpec messages trigger a fatal alert. | |
1386 | */ | |
1387 | int change_cipher_spec; | |
1388 | int warn_alert; | |
1389 | int fatal_alert; | |
1390 | /* | |
1391 | * we allow one fatal and one warning alert to be outstanding, send close | |
1392 | * alert via the warning alert | |
1393 | */ | |
1394 | int alert_dispatch; | |
1395 | unsigned char send_alert[2]; | |
1396 | /* | |
1397 | * This flag is set when we should renegotiate ASAP, basically when there | |
1398 | * is no more data in the read or write buffers | |
1399 | */ | |
1400 | int renegotiate; | |
1401 | int total_renegotiations; | |
1402 | int num_renegotiations; | |
1403 | int in_read_app_data; | |
1404 | struct { | |
b6ba4014 MC |
1405 | /* actually only need to be 16+20 for SSLv3 and 12 for TLS */ |
1406 | unsigned char finish_md[EVP_MAX_MD_SIZE * 2]; | |
12472b45 | 1407 | size_t finish_md_len; |
b6ba4014 | 1408 | unsigned char peer_finish_md[EVP_MAX_MD_SIZE * 2]; |
12472b45 | 1409 | size_t peer_finish_md_len; |
eda75751 | 1410 | size_t message_size; |
b6ba4014 MC |
1411 | int message_type; |
1412 | /* used to hold the new cipher we are going to use */ | |
1413 | const SSL_CIPHER *new_cipher; | |
a230b26e EK |
1414 | # if !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_DH) |
1415 | EVP_PKEY *pkey; /* holds short lived DH/ECDH key */ | |
1416 | # endif | |
b6ba4014 MC |
1417 | /* used for certificate requests */ |
1418 | int cert_req; | |
75c13e78 DSH |
1419 | /* Certificate types in certificate request message. */ |
1420 | uint8_t *ctype; | |
1421 | size_t ctype_len; | |
fa7c2637 DSH |
1422 | /* Certificate authorities list peer sent */ |
1423 | STACK_OF(X509_NAME) *peer_ca_names; | |
8c1a5343 | 1424 | size_t key_block_length; |
b6ba4014 MC |
1425 | unsigned char *key_block; |
1426 | const EVP_CIPHER *new_sym_enc; | |
1427 | const EVP_MD *new_hash; | |
1428 | int new_mac_pkey_type; | |
b43d1cbb | 1429 | size_t new_mac_secret_size; |
a230b26e | 1430 | # ifndef OPENSSL_NO_COMP |
b6ba4014 | 1431 | const SSL_COMP *new_compression; |
a230b26e | 1432 | # else |
b6ba4014 | 1433 | char *new_compression; |
a230b26e | 1434 | # endif |
b6ba4014 | 1435 | int cert_request; |
76106e60 DSH |
1436 | /* Raw values of the cipher list from a client */ |
1437 | unsigned char *ciphers_raw; | |
1438 | size_t ciphers_rawlen; | |
1439 | /* Temporary storage for premaster secret */ | |
1440 | unsigned char *pms; | |
1441 | size_t pmslen; | |
a230b26e | 1442 | # ifndef OPENSSL_NO_PSK |
64651d39 DSH |
1443 | /* Temporary storage for PSK key */ |
1444 | unsigned char *psk; | |
1445 | size_t psklen; | |
a230b26e | 1446 | # endif |
93a77f9e DSH |
1447 | /* Signature algorithm we actually use */ |
1448 | const SIGALG_LOOKUP *sigalg; | |
a497cf25 DSH |
1449 | /* Pointer to certificate we use */ |
1450 | CERT_PKEY *cert; | |
76106e60 DSH |
1451 | /* |
1452 | * signature algorithms peer reports: e.g. supported signature | |
1453 | * algorithms extension for server or as part of a certificate | |
1454 | * request for client. | |
1455 | */ | |
98c792d1 | 1456 | uint16_t *peer_sigalgs; |
76106e60 DSH |
1457 | /* Size of above array */ |
1458 | size_t peer_sigalgslen; | |
f742cda8 DSH |
1459 | /* Sigalg peer actualy uses */ |
1460 | const SIGALG_LOOKUP *peer_sigalg; | |
6383d316 DSH |
1461 | /* |
1462 | * Set if corresponding CERT_PKEY can be used with current | |
1463 | * SSL session: e.g. appropriate curve, signature algorithms etc. | |
1464 | * If zero it can't be used at all. | |
1465 | */ | |
f7d53487 | 1466 | uint32_t valid_flags[SSL_PKEY_NUM]; |
4d69f9e6 DSH |
1467 | /* |
1468 | * For servers the following masks are for the key and auth algorithms | |
1469 | * that are supported by the certs below. For clients they are masks of | |
1470 | * *disabled* algorithms based on the current session. | |
1471 | */ | |
90d9e49a DSH |
1472 | uint32_t mask_k; |
1473 | uint32_t mask_a; | |
3eb2aff4 KR |
1474 | /* |
1475 | * The following are used by the client to see if a cipher is allowed or | |
1476 | * not. It contains the minimum and maximum version the client's using | |
1477 | * based on what it knows so far. | |
1478 | */ | |
1479 | int min_ver; | |
1480 | int max_ver; | |
b6ba4014 MC |
1481 | } tmp; |
1482 | ||
1483 | /* Connection binding to prevent renegotiation attacks */ | |
1484 | unsigned char previous_client_finished[EVP_MAX_MD_SIZE]; | |
12472b45 | 1485 | size_t previous_client_finished_len; |
b6ba4014 | 1486 | unsigned char previous_server_finished[EVP_MAX_MD_SIZE]; |
12472b45 | 1487 | size_t previous_server_finished_len; |
b6ba4014 MC |
1488 | int send_connection_binding; /* TODOEKR */ |
1489 | ||
a230b26e | 1490 | # ifndef OPENSSL_NO_NEXTPROTONEG |
b6ba4014 MC |
1491 | /* |
1492 | * Set if we saw the Next Protocol Negotiation extension from our peer. | |
1493 | */ | |
aff8c126 | 1494 | int npn_seen; |
a230b26e | 1495 | # endif |
b6ba4014 | 1496 | |
b6ba4014 MC |
1497 | /* |
1498 | * ALPN information (we are in the process of transitioning from NPN to | |
1499 | * ALPN.) | |
1500 | */ | |
1501 | ||
1502 | /* | |
1503 | * In a server these point to the selected ALPN protocol after the | |
1504 | * ClientHello has been processed. In a client these contain the protocol | |
1505 | * that the server selected once the ServerHello has been processed. | |
1506 | */ | |
1507 | unsigned char *alpn_selected; | |
817cd0d5 TS |
1508 | size_t alpn_selected_len; |
1509 | /* used by the server to know what options were proposed */ | |
1510 | unsigned char *alpn_proposed; | |
1511 | size_t alpn_proposed_len; | |
1512 | /* used by the client to know if it actually sent alpn */ | |
1513 | int alpn_sent; | |
b6ba4014 | 1514 | |
a230b26e | 1515 | # ifndef OPENSSL_NO_EC |
b6ba4014 MC |
1516 | /* |
1517 | * This is set to true if we believe that this is a version of Safari | |
1518 | * running on OS X 10.6 or newer. We wish to know this because Safari on | |
1519 | * 10.8 .. 10.8.3 has broken ECDHE-ECDSA support. | |
1520 | */ | |
1521 | char is_probably_safari; | |
a230b26e | 1522 | # endif /* !OPENSSL_NO_EC */ |
8d92c1f8 DSH |
1523 | |
1524 | /* For clients: peer temporary key */ | |
fb79abe3 | 1525 | # if !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_DH) |
bcec3358 MC |
1526 | /* The group_id for the DH/ECDH key */ |
1527 | unsigned int group_id; | |
61dd9f7a | 1528 | EVP_PKEY *peer_tmp; |
8d92c1f8 DSH |
1529 | # endif |
1530 | ||
b6ba4014 MC |
1531 | } SSL3_STATE; |
1532 | ||
b6ba4014 MC |
1533 | /* DTLS structures */ |
1534 | ||
a230b26e EK |
1535 | # ifndef OPENSSL_NO_SCTP |
1536 | # define DTLS1_SCTP_AUTH_LABEL "EXPORTER_DTLS_OVER_SCTP" | |
1537 | # endif | |
b6ba4014 MC |
1538 | |
1539 | /* Max MTU overhead we know about so far is 40 for IPv6 + 8 for UDP */ | |
a230b26e | 1540 | # define DTLS1_MAX_MTU_OVERHEAD 48 |
b6ba4014 | 1541 | |
e3d0dae7 MC |
1542 | /* |
1543 | * Flag used in message reuse to indicate the buffer contains the record | |
1544 | * header as well as the the handshake message header. | |
1545 | */ | |
a230b26e | 1546 | # define DTLS1_SKIP_RECORD_HEADER 2 |
e3d0dae7 | 1547 | |
b6ba4014 MC |
1548 | struct dtls1_retransmit_state { |
1549 | EVP_CIPHER_CTX *enc_write_ctx; /* cryptographic state */ | |
1550 | EVP_MD_CTX *write_hash; /* used for mac generation */ | |
b6ba4014 | 1551 | COMP_CTX *compress; /* compression */ |
b6ba4014 MC |
1552 | SSL_SESSION *session; |
1553 | unsigned short epoch; | |
1554 | }; | |
1555 | ||
1556 | struct hm_header_st { | |
1557 | unsigned char type; | |
7ee8627f | 1558 | size_t msg_len; |
b6ba4014 | 1559 | unsigned short seq; |
7ee8627f MC |
1560 | size_t frag_off; |
1561 | size_t frag_len; | |
b6ba4014 MC |
1562 | unsigned int is_ccs; |
1563 | struct dtls1_retransmit_state saved_retransmit_state; | |
1564 | }; | |
1565 | ||
b6ba4014 MC |
1566 | struct dtls1_timeout_st { |
1567 | /* Number of read timeouts so far */ | |
1568 | unsigned int read_timeouts; | |
1569 | /* Number of write timeouts so far */ | |
1570 | unsigned int write_timeouts; | |
1571 | /* Number of alerts received so far */ | |
1572 | unsigned int num_alerts; | |
1573 | }; | |
1574 | ||
b6ba4014 MC |
1575 | typedef struct hm_fragment_st { |
1576 | struct hm_header_st msg_header; | |
1577 | unsigned char *fragment; | |
1578 | unsigned char *reassembly; | |
1579 | } hm_fragment; | |
1580 | ||
cf2cede4 RS |
1581 | typedef struct pqueue_st pqueue; |
1582 | typedef struct pitem_st pitem; | |
1583 | ||
1584 | struct pitem_st { | |
1585 | unsigned char priority[8]; /* 64-bit value in big-endian encoding */ | |
1586 | void *data; | |
1587 | pitem *next; | |
1588 | }; | |
1589 | ||
1590 | typedef struct pitem_st *piterator; | |
1591 | ||
1592 | pitem *pitem_new(unsigned char *prio64be, void *data); | |
1593 | void pitem_free(pitem *item); | |
a230b26e | 1594 | pqueue *pqueue_new(void); |
cf2cede4 RS |
1595 | void pqueue_free(pqueue *pq); |
1596 | pitem *pqueue_insert(pqueue *pq, pitem *item); | |
1597 | pitem *pqueue_peek(pqueue *pq); | |
1598 | pitem *pqueue_pop(pqueue *pq); | |
1599 | pitem *pqueue_find(pqueue *pq, unsigned char *prio64be); | |
1600 | pitem *pqueue_iterator(pqueue *pq); | |
1601 | pitem *pqueue_next(piterator *iter); | |
8b0e934a | 1602 | size_t pqueue_size(pqueue *pq); |
cf2cede4 | 1603 | |
b6ba4014 | 1604 | typedef struct dtls1_state_st { |
b6ba4014 | 1605 | unsigned char cookie[DTLS1_COOKIE_LENGTH]; |
cb150cbc | 1606 | size_t cookie_len; |
e27f234a | 1607 | unsigned int cookie_verified; |
b6ba4014 MC |
1608 | /* handshake message numbers */ |
1609 | unsigned short handshake_write_seq; | |
1610 | unsigned short next_handshake_write_seq; | |
1611 | unsigned short handshake_read_seq; | |
b6ba4014 | 1612 | /* Buffered handshake messages */ |
cf2cede4 | 1613 | pqueue *buffered_messages; |
b6ba4014 | 1614 | /* Buffered (sent) handshake records */ |
cf2cede4 | 1615 | pqueue *sent_messages; |
7ee8627f MC |
1616 | size_t link_mtu; /* max on-the-wire DTLS packet size */ |
1617 | size_t mtu; /* max DTLS packet size */ | |
b6ba4014 MC |
1618 | struct hm_header_st w_msg_hdr; |
1619 | struct hm_header_st r_msg_hdr; | |
1620 | struct dtls1_timeout_st timeout; | |
1621 | /* | |
e72040c1 | 1622 | * Indicates when the last handshake msg sent will timeout |
b6ba4014 MC |
1623 | */ |
1624 | struct timeval next_timeout; | |
1625 | /* Timeout duration */ | |
1626 | unsigned short timeout_duration; | |
b6ba4014 | 1627 | unsigned int retransmitting; |
a230b26e | 1628 | # ifndef OPENSSL_NO_SCTP |
b6ba4014 | 1629 | int shutdown_received; |
a230b26e | 1630 | # endif |
b6ba4014 MC |
1631 | } DTLS1_STATE; |
1632 | ||
0f113f3e MC |
1633 | # ifndef OPENSSL_NO_EC |
1634 | /* | |
1635 | * From ECC-TLS draft, used in encoding the curve type in ECParameters | |
ea262260 | 1636 | */ |
0f113f3e MC |
1637 | # define EXPLICIT_PRIME_CURVE_TYPE 1 |
1638 | # define EXPLICIT_CHAR2_CURVE_TYPE 2 | |
1639 | # define NAMED_CURVE_TYPE 3 | |
1640 | # endif /* OPENSSL_NO_EC */ | |
1641 | ||
a497cf25 | 1642 | struct cert_pkey_st { |
0f113f3e MC |
1643 | X509 *x509; |
1644 | EVP_PKEY *privatekey; | |
0f113f3e MC |
1645 | /* Chain for this certificate */ |
1646 | STACK_OF(X509) *chain; | |
50e735f9 MC |
1647 | /*- |
1648 | * serverinfo data for this certificate. The data is in TLS Extension | |
1649 | * wire format, specifically it's a series of records like: | |
1650 | * uint16_t extension_type; // (RFC 5246, 7.4.1.4, Extension) | |
1651 | * uint16_t length; | |
1652 | * uint8_t data[length]; | |
1653 | */ | |
0f113f3e MC |
1654 | unsigned char *serverinfo; |
1655 | size_t serverinfo_length; | |
a497cf25 | 1656 | }; |
2ea80354 | 1657 | /* Retrieve Suite B flags */ |
0f113f3e | 1658 | # define tls1_suiteb(s) (s->cert->cert_flags & SSL_CERT_FLAG_SUITEB_128_LOS) |
2ea80354 | 1659 | /* Uses to check strict mode: suite B modes are always strict */ |
0f113f3e MC |
1660 | # define SSL_CERT_FLAGS_CHECK_TLS_STRICT \ |
1661 | (SSL_CERT_FLAG_SUITEB_128_LOS|SSL_CERT_FLAG_TLS_STRICT) | |
d02b48c6 | 1662 | |
787d9ec7 MC |
1663 | typedef enum { |
1664 | ENDPOINT_CLIENT = 0, | |
1665 | ENDPOINT_SERVER, | |
1666 | ENDPOINT_BOTH | |
1667 | } ENDPOINT; | |
1668 | ||
1669 | ||
b83294fe | 1670 | typedef struct { |
0f113f3e | 1671 | unsigned short ext_type; |
787d9ec7 | 1672 | ENDPOINT role; |
43ae5eed MC |
1673 | /* The context which this extension applies to */ |
1674 | unsigned int context; | |
0f113f3e MC |
1675 | /* |
1676 | * Per-connection flags relating to this extension type: not used if | |
1677 | * part of an SSL_CTX structure. | |
1678 | */ | |
f7d53487 | 1679 | uint32_t ext_flags; |
cd17bb19 MC |
1680 | SSL_custom_ext_add_cb_ex add_cb; |
1681 | SSL_custom_ext_free_cb_ex free_cb; | |
0f113f3e | 1682 | void *add_arg; |
cd17bb19 | 1683 | SSL_custom_ext_parse_cb_ex parse_cb; |
0f113f3e | 1684 | void *parse_arg; |
ecf4d660 | 1685 | } custom_ext_method; |
b83294fe | 1686 | |
28ea0a0c DSH |
1687 | /* ext_flags values */ |
1688 | ||
0f113f3e MC |
1689 | /* |
1690 | * Indicates an extension has been received. Used to check for unsolicited or | |
1691 | * duplicate extensions. | |
28ea0a0c | 1692 | */ |
0f113f3e MC |
1693 | # define SSL_EXT_FLAG_RECEIVED 0x1 |
1694 | /* | |
1695 | * Indicates an extension has been sent: used to enable sending of | |
1696 | * corresponding ServerHello extension. | |
28ea0a0c | 1697 | */ |
0f113f3e | 1698 | # define SSL_EXT_FLAG_SENT 0x2 |
28ea0a0c | 1699 | |
b83294fe | 1700 | typedef struct { |
0f113f3e MC |
1701 | custom_ext_method *meths; |
1702 | size_t meths_count; | |
ecf4d660 | 1703 | } custom_ext_methods; |
b83294fe | 1704 | |
0f113f3e MC |
1705 | typedef struct cert_st { |
1706 | /* Current active set */ | |
1707 | /* | |
1708 | * ALWAYS points to an element of the pkeys array | |
1709 | * Probably it would make more sense to store | |
1710 | * an index, not a pointer. | |
1711 | */ | |
1712 | CERT_PKEY *key; | |
0f113f3e | 1713 | # ifndef OPENSSL_NO_DH |
e2b420fd | 1714 | EVP_PKEY *dh_tmp; |
0f113f3e MC |
1715 | DH *(*dh_tmp_cb) (SSL *ssl, int is_export, int keysize); |
1716 | int dh_tmp_auto; | |
0f113f3e MC |
1717 | # endif |
1718 | /* Flags related to certificates */ | |
f7d53487 | 1719 | uint32_t cert_flags; |
0f113f3e | 1720 | CERT_PKEY pkeys[SSL_PKEY_NUM]; |
75c13e78 DSH |
1721 | /* Custom certificate types sent in certificate request message. */ |
1722 | uint8_t *ctype; | |
1723 | size_t ctype_len; | |
0f113f3e | 1724 | /* |
60250017 | 1725 | * supported signature algorithms. When set on a client this is sent in |
0f113f3e MC |
1726 | * the client hello as the supported signature algorithms extension. For |
1727 | * servers it represents the signature algorithms we are willing to use. | |
1728 | */ | |
98c792d1 | 1729 | uint16_t *conf_sigalgs; |
0f113f3e MC |
1730 | /* Size of above array */ |
1731 | size_t conf_sigalgslen; | |
1732 | /* | |
1733 | * Client authentication signature algorithms, if not set then uses | |
1734 | * conf_sigalgs. On servers these will be the signature algorithms sent | |
48722ff5 F |
1735 | * to the client in a certificate request for TLS 1.2. On a client this |
1736 | * represents the signature algorithms we are willing to use for client | |
0f113f3e MC |
1737 | * authentication. |
1738 | */ | |
98c792d1 | 1739 | uint16_t *client_sigalgs; |
0f113f3e MC |
1740 | /* Size of above array */ |
1741 | size_t client_sigalgslen; | |
1742 | /* | |
1743 | * Signature algorithms shared by client and server: cached because these | |
1744 | * are used most often. | |
1745 | */ | |
4d43ee28 | 1746 | const SIGALG_LOOKUP **shared_sigalgs; |
0f113f3e MC |
1747 | size_t shared_sigalgslen; |
1748 | /* | |
1749 | * Certificate setup callback: if set is called whenever a certificate | |
1750 | * may be required (client or server). the callback can then examine any | |
1751 | * appropriate parameters and setup any certificates required. This | |
1752 | * allows advanced applications to select certificates on the fly: for | |
1753 | * example based on supported signature algorithms or curves. | |
1754 | */ | |
1755 | int (*cert_cb) (SSL *ssl, void *arg); | |
1756 | void *cert_cb_arg; | |
1757 | /* | |
1758 | * Optional X509_STORE for chain building or certificate validation If | |
1759 | * NULL the parent SSL_CTX store is used instead. | |
1760 | */ | |
1761 | X509_STORE *chain_store; | |
1762 | X509_STORE *verify_store; | |
43ae5eed MC |
1763 | /* Custom extensions */ |
1764 | custom_ext_methods custext; | |
0f113f3e | 1765 | /* Security callback */ |
e4646a89 | 1766 | int (*sec_cb) (const SSL *s, const SSL_CTX *ctx, int op, int bits, int nid, |
0f113f3e MC |
1767 | void *other, void *ex); |
1768 | /* Security level */ | |
1769 | int sec_level; | |
1770 | void *sec_ex; | |
a230b26e | 1771 | # ifndef OPENSSL_NO_PSK |
df6da24b DSH |
1772 | /* If not NULL psk identity hint to use for servers */ |
1773 | char *psk_identity_hint; | |
a230b26e | 1774 | # endif |
2f545ae4 | 1775 | CRYPTO_REF_COUNT references; /* >1 only if SSL_copy_session_id is used */ |
16203f7b | 1776 | CRYPTO_RWLOCK *lock; |
0f113f3e MC |
1777 | } CERT; |
1778 | ||
0f113f3e | 1779 | # define FP_ICC (int (*)(const void *,const void *)) |
0f113f3e MC |
1780 | |
1781 | /* | |
1782 | * This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff It is a bit | |
1783 | * of a mess of functions, but hell, think of it as an opaque structure :-) | |
1784 | */ | |
1785 | typedef struct ssl3_enc_method { | |
72716e79 | 1786 | int (*enc) (SSL *, SSL3_RECORD *, size_t, int); |
d102d9df | 1787 | int (*mac) (SSL *, SSL3_RECORD *, unsigned char *, int); |
0f113f3e MC |
1788 | int (*setup_key_block) (SSL *); |
1789 | int (*generate_master_secret) (SSL *, unsigned char *, unsigned char *, | |
8c1a5343 | 1790 | size_t, size_t *); |
0f113f3e | 1791 | int (*change_cipher_state) (SSL *, int); |
6db6bc5a | 1792 | size_t (*final_finish_mac) (SSL *, const char *, size_t, unsigned char *); |
0f113f3e | 1793 | const char *client_finished_label; |
8b0e934a | 1794 | size_t client_finished_label_len; |
0f113f3e | 1795 | const char *server_finished_label; |
8b0e934a | 1796 | size_t server_finished_label_len; |
0f113f3e MC |
1797 | int (*alert_value) (int); |
1798 | int (*export_keying_material) (SSL *, unsigned char *, size_t, | |
1799 | const char *, size_t, | |
1800 | const unsigned char *, size_t, | |
1801 | int use_context); | |
1802 | /* Various flags indicating protocol version requirements */ | |
f7d53487 | 1803 | uint32_t enc_flags; |
0f113f3e | 1804 | /* Set the handshake header */ |
a29fa98c | 1805 | int (*set_handshake_header) (SSL *s, WPACKET *pkt, int type); |
2c7b4dbc | 1806 | /* Close construction of the handshake message */ |
4a01c59f | 1807 | int (*close_construct_packet) (SSL *s, WPACKET *pkt, int htype); |
0f113f3e MC |
1808 | /* Write out handshake message */ |
1809 | int (*do_write) (SSL *s); | |
1810 | } SSL3_ENC_METHOD; | |
1811 | ||
a29fa98c MC |
1812 | # define ssl_set_handshake_header(s, pkt, htype) \ |
1813 | s->method->ssl3_enc->set_handshake_header((s), (pkt), (htype)) | |
4a01c59f MC |
1814 | # define ssl_close_construct_packet(s, pkt, htype) \ |
1815 | s->method->ssl3_enc->close_construct_packet((s), (pkt), (htype)) | |
0f113f3e | 1816 | # define ssl_do_write(s) s->method->ssl3_enc->do_write(s) |
173e72e6 DSH |
1817 | |
1818 | /* Values for enc_flags */ | |
1819 | ||
1820 | /* Uses explicit IV for CBC mode */ | |
0f113f3e | 1821 | # define SSL_ENC_FLAG_EXPLICIT_IV 0x1 |
173e72e6 | 1822 | /* Uses signature algorithms extension */ |
0f113f3e | 1823 | # define SSL_ENC_FLAG_SIGALGS 0x2 |
cbd64894 | 1824 | /* Uses SHA256 default PRF */ |
0f113f3e | 1825 | # define SSL_ENC_FLAG_SHA256_PRF 0x4 |
173e72e6 | 1826 | /* Is DTLS */ |
0f113f3e MC |
1827 | # define SSL_ENC_FLAG_DTLS 0x8 |
1828 | /* | |
1829 | * Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2: may | |
1830 | * apply to others in future. | |
4221c0dd | 1831 | */ |
0f113f3e | 1832 | # define SSL_ENC_FLAG_TLS1_2_CIPHERS 0x10 |
173e72e6 | 1833 | |
0f113f3e | 1834 | # ifndef OPENSSL_NO_COMP |
651d0aff | 1835 | /* Used for holding the relevant compression methods loaded into SSL_CTX */ |
0f113f3e MC |
1836 | typedef struct ssl3_comp_st { |
1837 | int comp_id; /* The identifier byte for this compression | |
1838 | * type */ | |
1839 | char *name; /* Text name used for the compression type */ | |
1840 | COMP_METHOD *method; /* The method :-) */ | |
1841 | } SSL3_COMP; | |
1842 | # endif | |
dfeab068 | 1843 | |
f7f2a01d MC |
1844 | typedef enum downgrade_en { |
1845 | DOWNGRADE_NONE, | |
1846 | DOWNGRADE_TO_1_2, | |
1847 | DOWNGRADE_TO_1_1 | |
1848 | } DOWNGRADE; | |
1849 | ||
cbb09544 MC |
1850 | /* |
1851 | * Dummy status type for the status_type extension. Indicates no status type | |
1852 | * set | |
1853 | */ | |
1854 | #define TLSEXT_STATUSTYPE_nothing -1 | |
1855 | ||
703bcee0 MC |
1856 | /* Sigalgs values */ |
1857 | #define TLSEXT_SIGALG_ecdsa_secp256r1_sha256 0x0403 | |
1858 | #define TLSEXT_SIGALG_ecdsa_secp384r1_sha384 0x0503 | |
1859 | #define TLSEXT_SIGALG_ecdsa_secp521r1_sha512 0x0603 | |
1860 | #define TLSEXT_SIGALG_ecdsa_sha1 0x0203 | |
1861 | #define TLSEXT_SIGALG_rsa_pss_sha256 0x0804 | |
1862 | #define TLSEXT_SIGALG_rsa_pss_sha384 0x0805 | |
1863 | #define TLSEXT_SIGALG_rsa_pss_sha512 0x0806 | |
1864 | #define TLSEXT_SIGALG_rsa_pkcs1_sha256 0x0401 | |
1865 | #define TLSEXT_SIGALG_rsa_pkcs1_sha384 0x0501 | |
1866 | #define TLSEXT_SIGALG_rsa_pkcs1_sha512 0x0601 | |
1867 | #define TLSEXT_SIGALG_rsa_pkcs1_sha1 0x0201 | |
1868 | #define TLSEXT_SIGALG_dsa_sha256 0x0402 | |
1869 | #define TLSEXT_SIGALG_dsa_sha384 0x0502 | |
1870 | #define TLSEXT_SIGALG_dsa_sha512 0x0602 | |
1871 | #define TLSEXT_SIGALG_dsa_sha1 0x0202 | |
1872 | #define TLSEXT_SIGALG_gostr34102012_256_gostr34112012_256 0xeeee | |
1873 | #define TLSEXT_SIGALG_gostr34102012_512_gostr34112012_512 0xefef | |
1874 | #define TLSEXT_SIGALG_gostr34102001_gostr3411 0xeded | |
1875 | ||
b2f7e8c0 MC |
1876 | /* Known PSK key exchange modes */ |
1877 | #define TLSEXT_KEX_MODE_KE 0x00 | |
1878 | #define TLSEXT_KEX_MODE_KE_DHE 0x01 | |
1879 | ||
1880 | /* | |
1881 | * Internal representations of key exchange modes | |
1882 | */ | |
1883 | #define TLSEXT_KEX_MODE_FLAG_NONE 0 | |
1884 | #define TLSEXT_KEX_MODE_FLAG_KE 1 | |
1885 | #define TLSEXT_KEX_MODE_FLAG_KE_DHE 2 | |
1886 | ||
ec15acb6 MC |
1887 | /* An invalid index into the TLSv1.3 PSK identities */ |
1888 | #define TLSEXT_PSK_BAD_IDENTITY -1 | |
1889 | ||
f742cda8 DSH |
1890 | #define SSL_USE_PSS(s) (s->s3->tmp.peer_sigalg != NULL && \ |
1891 | s->s3->tmp.peer_sigalg->sig == EVP_PKEY_RSA_PSS) | |
fe3066ee | 1892 | |
703bcee0 MC |
1893 | /* A dummy signature value not valid for TLSv1.2 signature algs */ |
1894 | #define TLSEXT_signature_rsa_pss 0x0101 | |
1895 | ||
643a3580 MC |
1896 | /* TLSv1.3 downgrade protection sentinel values */ |
1897 | extern const unsigned char tls11downgrade[8]; | |
1898 | extern const unsigned char tls12downgrade[8]; | |
703bcee0 | 1899 | |
3ed449e9 | 1900 | extern SSL3_ENC_METHOD ssl3_undef_enc_method; |
7d7d2cbc | 1901 | |
2b8fa1d5 KR |
1902 | __owur const SSL_METHOD *ssl_bad_method(int ver); |
1903 | __owur const SSL_METHOD *sslv3_method(void); | |
1904 | __owur const SSL_METHOD *sslv3_server_method(void); | |
1905 | __owur const SSL_METHOD *sslv3_client_method(void); | |
1906 | __owur const SSL_METHOD *tlsv1_method(void); | |
1907 | __owur const SSL_METHOD *tlsv1_server_method(void); | |
1908 | __owur const SSL_METHOD *tlsv1_client_method(void); | |
1909 | __owur const SSL_METHOD *tlsv1_1_method(void); | |
1910 | __owur const SSL_METHOD *tlsv1_1_server_method(void); | |
1911 | __owur const SSL_METHOD *tlsv1_1_client_method(void); | |
1912 | __owur const SSL_METHOD *tlsv1_2_method(void); | |
1913 | __owur const SSL_METHOD *tlsv1_2_server_method(void); | |
1914 | __owur const SSL_METHOD *tlsv1_2_client_method(void); | |
582a17d6 MC |
1915 | __owur const SSL_METHOD *tlsv1_3_method(void); |
1916 | __owur const SSL_METHOD *tlsv1_3_server_method(void); | |
1917 | __owur const SSL_METHOD *tlsv1_3_client_method(void); | |
2b8fa1d5 KR |
1918 | __owur const SSL_METHOD *dtlsv1_method(void); |
1919 | __owur const SSL_METHOD *dtlsv1_server_method(void); | |
1920 | __owur const SSL_METHOD *dtlsv1_client_method(void); | |
032924c4 | 1921 | __owur const SSL_METHOD *dtls_bad_ver_client_method(void); |
2b8fa1d5 KR |
1922 | __owur const SSL_METHOD *dtlsv1_2_method(void); |
1923 | __owur const SSL_METHOD *dtlsv1_2_server_method(void); | |
1924 | __owur const SSL_METHOD *dtlsv1_2_client_method(void); | |
d02b48c6 | 1925 | |
161e0a61 BL |
1926 | extern const SSL3_ENC_METHOD TLSv1_enc_data; |
1927 | extern const SSL3_ENC_METHOD TLSv1_1_enc_data; | |
1928 | extern const SSL3_ENC_METHOD TLSv1_2_enc_data; | |
582a17d6 | 1929 | extern const SSL3_ENC_METHOD TLSv1_3_enc_data; |
8892ce77 BL |
1930 | extern const SSL3_ENC_METHOD SSLv3_enc_data; |
1931 | extern const SSL3_ENC_METHOD DTLSv1_enc_data; | |
1932 | extern const SSL3_ENC_METHOD DTLSv1_2_enc_data; | |
f3b656b2 | 1933 | |
4fa52141 VD |
1934 | /* |
1935 | * Flags for SSL methods | |
1936 | */ | |
a230b26e EK |
1937 | # define SSL_METHOD_NO_FIPS (1U<<0) |
1938 | # define SSL_METHOD_NO_SUITEB (1U<<1) | |
4fa52141 VD |
1939 | |
1940 | # define IMPLEMENT_tls_meth_func(version, flags, mask, func_name, s_accept, \ | |
ccae4a15 | 1941 | s_connect, enc_data) \ |
4ebb342f | 1942 | const SSL_METHOD *func_name(void) \ |
0f113f3e MC |
1943 | { \ |
1944 | static const SSL_METHOD func_name##_data= { \ | |
1945 | version, \ | |
4fa52141 VD |
1946 | flags, \ |
1947 | mask, \ | |
0f113f3e MC |
1948 | tls1_new, \ |
1949 | tls1_clear, \ | |
1950 | tls1_free, \ | |
1951 | s_accept, \ | |
1952 | s_connect, \ | |
1953 | ssl3_read, \ | |
1954 | ssl3_peek, \ | |
1955 | ssl3_write, \ | |
1956 | ssl3_shutdown, \ | |
1957 | ssl3_renegotiate, \ | |
1958 | ssl3_renegotiate_check, \ | |
0f113f3e MC |
1959 | ssl3_read_bytes, \ |
1960 | ssl3_write_bytes, \ | |
1961 | ssl3_dispatch_alert, \ | |
1962 | ssl3_ctrl, \ | |
1963 | ssl3_ctx_ctrl, \ | |
1964 | ssl3_get_cipher_by_char, \ | |
1965 | ssl3_put_cipher_by_char, \ | |
1966 | ssl3_pending, \ | |
1967 | ssl3_num_ciphers, \ | |
1968 | ssl3_get_cipher, \ | |
0f113f3e MC |
1969 | tls1_default_timeout, \ |
1970 | &enc_data, \ | |
1971 | ssl_undefined_void_function, \ | |
1972 | ssl3_callback_ctrl, \ | |
1973 | ssl3_ctx_callback_ctrl, \ | |
1974 | }; \ | |
1975 | return &func_name##_data; \ | |
1976 | } | |
1977 | ||
ccae4a15 | 1978 | # define IMPLEMENT_ssl3_meth_func(func_name, s_accept, s_connect) \ |
4ebb342f | 1979 | const SSL_METHOD *func_name(void) \ |
0f113f3e MC |
1980 | { \ |
1981 | static const SSL_METHOD func_name##_data= { \ | |
1982 | SSL3_VERSION, \ | |
4fa52141 VD |
1983 | SSL_METHOD_NO_FIPS | SSL_METHOD_NO_SUITEB, \ |
1984 | SSL_OP_NO_SSLv3, \ | |
0f113f3e MC |
1985 | ssl3_new, \ |
1986 | ssl3_clear, \ | |
1987 | ssl3_free, \ | |
1988 | s_accept, \ | |
1989 | s_connect, \ | |
1990 | ssl3_read, \ | |
1991 | ssl3_peek, \ | |
1992 | ssl3_write, \ | |
1993 | ssl3_shutdown, \ | |
1994 | ssl3_renegotiate, \ | |
1995 | ssl3_renegotiate_check, \ | |
0f113f3e MC |
1996 | ssl3_read_bytes, \ |
1997 | ssl3_write_bytes, \ | |
1998 | ssl3_dispatch_alert, \ | |
1999 | ssl3_ctrl, \ | |
2000 | ssl3_ctx_ctrl, \ | |
2001 | ssl3_get_cipher_by_char, \ | |
2002 | ssl3_put_cipher_by_char, \ | |
2003 | ssl3_pending, \ | |
2004 | ssl3_num_ciphers, \ | |
2005 | ssl3_get_cipher, \ | |
0f113f3e MC |
2006 | ssl3_default_timeout, \ |
2007 | &SSLv3_enc_data, \ | |
2008 | ssl_undefined_void_function, \ | |
2009 | ssl3_callback_ctrl, \ | |
2010 | ssl3_ctx_callback_ctrl, \ | |
2011 | }; \ | |
2012 | return &func_name##_data; \ | |
2013 | } | |
2014 | ||
4fa52141 | 2015 | # define IMPLEMENT_dtls1_meth_func(version, flags, mask, func_name, s_accept, \ |
ccae4a15 | 2016 | s_connect, enc_data) \ |
4ebb342f | 2017 | const SSL_METHOD *func_name(void) \ |
0f113f3e MC |
2018 | { \ |
2019 | static const SSL_METHOD func_name##_data= { \ | |
2020 | version, \ | |
4fa52141 VD |
2021 | flags, \ |
2022 | mask, \ | |
0f113f3e MC |
2023 | dtls1_new, \ |
2024 | dtls1_clear, \ | |
2025 | dtls1_free, \ | |
2026 | s_accept, \ | |
2027 | s_connect, \ | |
2028 | ssl3_read, \ | |
2029 | ssl3_peek, \ | |
2030 | ssl3_write, \ | |
2031 | dtls1_shutdown, \ | |
2032 | ssl3_renegotiate, \ | |
2033 | ssl3_renegotiate_check, \ | |
0f113f3e MC |
2034 | dtls1_read_bytes, \ |
2035 | dtls1_write_app_data_bytes, \ | |
2036 | dtls1_dispatch_alert, \ | |
2037 | dtls1_ctrl, \ | |
2038 | ssl3_ctx_ctrl, \ | |
2039 | ssl3_get_cipher_by_char, \ | |
2040 | ssl3_put_cipher_by_char, \ | |
2041 | ssl3_pending, \ | |
2042 | ssl3_num_ciphers, \ | |
ca3895f0 | 2043 | ssl3_get_cipher, \ |
0f113f3e MC |
2044 | dtls1_default_timeout, \ |
2045 | &enc_data, \ | |
2046 | ssl_undefined_void_function, \ | |
2047 | ssl3_callback_ctrl, \ | |
2048 | ssl3_ctx_callback_ctrl, \ | |
2049 | }; \ | |
2050 | return &func_name##_data; \ | |
2051 | } | |
2052 | ||
2053 | struct openssl_ssl_test_functions { | |
46417569 | 2054 | int (*p_ssl_init_wbio_buffer) (SSL *s); |
0f113f3e | 2055 | int (*p_ssl3_setup_buffers) (SSL *s); |
0f113f3e MC |
2056 | }; |
2057 | ||
3eb2aff4 | 2058 | const char *ssl_protocol_to_string(int version); |
7d650072 | 2059 | |
4020c0b3 DSH |
2060 | /* Returns true if certificate and private key for 'idx' are present */ |
2061 | static ossl_inline int ssl_has_cert(const SSL *s, int idx) | |
2062 | { | |
2063 | if (idx < 0 || idx >= SSL_PKEY_NUM) | |
2064 | return 0; | |
2065 | return s->cert->pkeys[idx].x509 != NULL | |
2066 | && s->cert->pkeys[idx].privatekey != NULL; | |
2067 | } | |
2068 | ||
0f113f3e | 2069 | # ifndef OPENSSL_UNIT_TEST |
e0fc7961 | 2070 | |
4ee7d3f9 KR |
2071 | __owur int ssl_read_internal(SSL *s, void *buf, size_t num, size_t *readbytes); |
2072 | __owur int ssl_write_internal(SSL *s, const void *buf, size_t num, size_t *written); | |
d02b48c6 RE |
2073 | void ssl_clear_cipher_ctx(SSL *s); |
2074 | int ssl_clear_bad_session(SSL *s); | |
4bcdb4a6 MC |
2075 | __owur CERT *ssl_cert_new(void); |
2076 | __owur CERT *ssl_cert_dup(CERT *cert); | |
a5ee80b9 | 2077 | void ssl_cert_clear_certs(CERT *c); |
d02b48c6 | 2078 | void ssl_cert_free(CERT *c); |
4bcdb4a6 | 2079 | __owur int ssl_get_new_session(SSL *s, int session); |
1a9f457c | 2080 | __owur int ssl_get_prev_session(SSL *s, CLIENTHELLO_MSG *hello, int *al); |
98ece4ee | 2081 | __owur SSL_SESSION *ssl_session_dup(SSL_SESSION *src, int ticket); |
4bcdb4a6 | 2082 | __owur int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b); |
0f113f3e | 2083 | DECLARE_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, ssl_cipher_id); |
4bcdb4a6 | 2084 | __owur int ssl_cipher_ptr_id_cmp(const SSL_CIPHER *const *ap, |
a230b26e | 2085 | const SSL_CIPHER *const *bp); |
4bcdb4a6 | 2086 | __owur STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *meth, |
a230b26e EK |
2087 | STACK_OF(SSL_CIPHER) **pref, |
2088 | STACK_OF(SSL_CIPHER) | |
2089 | **sorted, | |
2090 | const char *rule_str, | |
2091 | CERT *c); | |
90134d98 BK |
2092 | __owur int ssl_cache_cipherlist(SSL *s, PACKET *cipher_suites, |
2093 | int sslv2format, int *al); | |
2094 | __owur int bytes_to_cipher_list(SSL *s, PACKET *cipher_suites, | |
2095 | STACK_OF(SSL_CIPHER) **skp, | |
2096 | STACK_OF(SSL_CIPHER) **scsvs, int sslv2format, | |
2097 | int *al); | |
d02b48c6 | 2098 | void ssl_update_cache(SSL *s, int mode); |
4bcdb4a6 | 2099 | __owur int ssl_cipher_get_evp(const SSL_SESSION *s, const EVP_CIPHER **enc, |
a230b26e | 2100 | const EVP_MD **md, int *mac_pkey_type, |
8c1a5343 | 2101 | size_t *mac_secret_size, SSL_COMP **comp, |
a230b26e | 2102 | int use_etm); |
045bd047 DW |
2103 | __owur int ssl_cipher_get_overhead(const SSL_CIPHER *c, size_t *mac_overhead, |
2104 | size_t *int_overhead, size_t *blocksize, | |
2105 | size_t *ext_overhead); | |
4bcdb4a6 | 2106 | __owur int ssl_cipher_get_cert_index(const SSL_CIPHER *c); |
a230b26e | 2107 | __owur const SSL_CIPHER *ssl_get_cipher_by_char(SSL *ssl, |
60d685d1 BK |
2108 | const unsigned char *ptr, |
2109 | int all); | |
4bcdb4a6 MC |
2110 | __owur int ssl_cert_set0_chain(SSL *s, SSL_CTX *ctx, STACK_OF(X509) *chain); |
2111 | __owur int ssl_cert_set1_chain(SSL *s, SSL_CTX *ctx, STACK_OF(X509) *chain); | |
2112 | __owur int ssl_cert_add0_chain_cert(SSL *s, SSL_CTX *ctx, X509 *x); | |
2113 | __owur int ssl_cert_add1_chain_cert(SSL *s, SSL_CTX *ctx, X509 *x); | |
2114 | __owur int ssl_cert_select_current(CERT *c, X509 *x); | |
2115 | __owur int ssl_cert_set_current(CERT *c, long arg); | |
2116 | __owur X509 *ssl_cert_get0_next_certificate(CERT *c, int first); | |
a230b26e | 2117 | void ssl_cert_set_cert_cb(CERT *c, int (*cb) (SSL *ssl, void *arg), void *arg); |
f71c6e52 | 2118 | |
4bcdb4a6 | 2119 | __owur int ssl_verify_cert_chain(SSL *s, STACK_OF(X509) *sk); |
4bcdb4a6 | 2120 | __owur int ssl_build_cert_chain(SSL *s, SSL_CTX *ctx, int flags); |
a230b26e EK |
2121 | __owur int ssl_cert_set_cert_store(CERT *c, X509_STORE *store, int chain, |
2122 | int ref); | |
b362ccab | 2123 | |
e4646a89 | 2124 | __owur int ssl_security(const SSL *s, int op, int bits, int nid, void *other); |
a230b26e EK |
2125 | __owur int ssl_ctx_security(const SSL_CTX *ctx, int op, int bits, int nid, |
2126 | void *other); | |
b362ccab | 2127 | |
d02b48c6 | 2128 | int ssl_undefined_function(SSL *s); |
4bcdb4a6 MC |
2129 | __owur int ssl_undefined_void_function(void); |
2130 | __owur int ssl_undefined_const_function(const SSL *s); | |
a230b26e EK |
2131 | __owur int ssl_get_server_cert_serverinfo(SSL *s, |
2132 | const unsigned char **serverinfo, | |
2133 | size_t *serverinfo_length); | |
2e5ead83 | 2134 | __owur int ssl_cert_type(const X509 *x, const EVP_PKEY *pkey); |
2cf28d61 | 2135 | void ssl_set_masks(SSL *s); |
4bcdb4a6 MC |
2136 | __owur STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s); |
2137 | __owur int ssl_verify_alarm_type(long type); | |
748f2546 | 2138 | void ssl_sort_cipher_list(void); |
380a522f | 2139 | int ssl_load_ciphers(void); |
a230b26e | 2140 | __owur int ssl_fill_hello_random(SSL *s, int server, unsigned char *field, |
f7f2a01d | 2141 | size_t len, DOWNGRADE dgrd); |
57b272b0 DSH |
2142 | __owur int ssl_generate_master_secret(SSL *s, unsigned char *pms, size_t pmslen, |
2143 | int free_pms); | |
0a699a07 | 2144 | __owur EVP_PKEY *ssl_generate_pkey(EVP_PKEY *pm); |
0f1e51ea MC |
2145 | __owur int ssl_derive(SSL *s, EVP_PKEY *privkey, EVP_PKEY *pubkey, |
2146 | int genmaster); | |
6c4e6670 | 2147 | __owur EVP_PKEY *ssl_dh_to_pkey(DH *dh); |
d02b48c6 | 2148 | |
ec15acb6 | 2149 | __owur const SSL_CIPHER *ssl3_get_cipher_by_id(uint32_t id); |
4bcdb4a6 | 2150 | __owur const SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p); |
ae2f7b37 | 2151 | __owur int ssl3_put_cipher_by_char(const SSL_CIPHER *c, WPACKET *pkt, |
2c7b4dbc | 2152 | size_t *len); |
2c4a056f | 2153 | int ssl3_init_finished_mac(SSL *s); |
4bcdb4a6 | 2154 | __owur int ssl3_setup_key_block(SSL *s); |
4bcdb4a6 | 2155 | __owur int ssl3_change_cipher_state(SSL *s, int which); |
d02b48c6 | 2156 | void ssl3_cleanup_key_block(SSL *s); |
4bcdb4a6 | 2157 | __owur int ssl3_do_write(SSL *s, int type); |
0f113f3e | 2158 | int ssl3_send_alert(SSL *s, int level, int desc); |
4bcdb4a6 | 2159 | __owur int ssl3_generate_master_secret(SSL *s, unsigned char *out, |
8c1a5343 MC |
2160 | unsigned char *p, size_t len, |
2161 | size_t *secret_size); | |
28ff8ef3 | 2162 | __owur int ssl3_get_req_cert_type(SSL *s, WPACKET *pkt); |
4bcdb4a6 MC |
2163 | __owur int ssl3_num_ciphers(void); |
2164 | __owur const SSL_CIPHER *ssl3_get_cipher(unsigned int u); | |
0f113f3e | 2165 | int ssl3_renegotiate(SSL *ssl); |
c7f47786 | 2166 | int ssl3_renegotiate_check(SSL *ssl, int initok); |
4bcdb4a6 | 2167 | __owur int ssl3_dispatch_alert(SSL *s); |
6db6bc5a | 2168 | __owur size_t ssl3_final_finish_mac(SSL *s, const char *sender, size_t slen, |
12472b45 | 2169 | unsigned char *p); |
7ee8627f | 2170 | __owur int ssl3_finish_mac(SSL *s, const unsigned char *buf, size_t len); |
81025661 | 2171 | void ssl3_free_digest_list(SSL *s); |
7cea05dc | 2172 | __owur unsigned long ssl3_output_cert_chain(SSL *s, WPACKET *pkt, |
e96e0f8e | 2173 | CERT_PKEY *cpk, int *al); |
4a640fb6 DSH |
2174 | __owur const SSL_CIPHER *ssl3_choose_cipher(SSL *ssl, |
2175 | STACK_OF(SSL_CIPHER) *clnt, | |
2176 | STACK_OF(SSL_CIPHER) *srvr); | |
124037fd | 2177 | __owur int ssl3_digest_cached_records(SSL *s, int keep); |
4bcdb4a6 | 2178 | __owur int ssl3_new(SSL *s); |
0f113f3e | 2179 | void ssl3_free(SSL *s); |
54105ddd MC |
2180 | __owur int ssl3_read(SSL *s, void *buf, size_t len, size_t *readbytes); |
2181 | __owur int ssl3_peek(SSL *s, void *buf, size_t len, size_t *readbytes); | |
7ee8627f | 2182 | __owur int ssl3_write(SSL *s, const void *buf, size_t len, size_t *written); |
4bcdb4a6 | 2183 | __owur int ssl3_shutdown(SSL *s); |
b77f3ed1 | 2184 | int ssl3_clear(SSL *s); |
4bcdb4a6 MC |
2185 | __owur long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg); |
2186 | __owur long ssl3_ctx_ctrl(SSL_CTX *s, int cmd, long larg, void *parg); | |
2187 | __owur long ssl3_callback_ctrl(SSL *s, int cmd, void (*fp) (void)); | |
2188 | __owur long ssl3_ctx_callback_ctrl(SSL_CTX *s, int cmd, void (*fp) (void)); | |
d02b48c6 | 2189 | |
4bcdb4a6 MC |
2190 | __owur int ssl3_do_change_cipher_spec(SSL *ssl); |
2191 | __owur long ssl3_default_timeout(void); | |
f3b656b2 | 2192 | |
a29fa98c | 2193 | __owur int ssl3_set_handshake_header(SSL *s, WPACKET *pkt, int htype); |
4a01c59f | 2194 | __owur int tls_close_construct_packet(SSL *s, WPACKET *pkt, int htype); |
c7f47786 | 2195 | __owur int tls_setup_handshake(SSL *s); |
a29fa98c | 2196 | __owur int dtls1_set_handshake_header(SSL *s, WPACKET *pkt, int htype); |
4a01c59f | 2197 | __owur int dtls1_close_construct_packet(SSL *s, WPACKET *pkt, int htype); |
4bcdb4a6 MC |
2198 | __owur int ssl3_handshake_write(SSL *s); |
2199 | ||
4bcdb4a6 MC |
2200 | __owur int ssl_allow_compression(SSL *s); |
2201 | ||
ccae4a15 FI |
2202 | __owur int ssl_version_supported(const SSL *s, int version); |
2203 | ||
4fa52141 VD |
2204 | __owur int ssl_set_client_hello_version(SSL *s); |
2205 | __owur int ssl_check_version_downgrade(SSL *s); | |
2206 | __owur int ssl_set_version_bound(int method_version, int version, int *bound); | |
f7f2a01d MC |
2207 | __owur int ssl_choose_server_version(SSL *s, CLIENTHELLO_MSG *hello, |
2208 | DOWNGRADE *dgrd); | |
c3043dcd MC |
2209 | __owur int ssl_choose_client_version(SSL *s, int version, int checkdgrd, |
2210 | int *al); | |
38a73150 | 2211 | int ssl_get_min_max_version(const SSL *s, int *min_version, int *max_version); |
4fa52141 | 2212 | |
4bcdb4a6 MC |
2213 | __owur long tls1_default_timeout(void); |
2214 | __owur int dtls1_do_write(SSL *s, int type); | |
4bcdb4a6 | 2215 | void dtls1_set_message_header(SSL *s, |
a773b52a | 2216 | unsigned char mt, |
d736bc1a MC |
2217 | size_t len, |
2218 | size_t frag_off, size_t frag_len); | |
4bcdb4a6 | 2219 | |
7ee8627f MC |
2220 | int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf_, size_t len, |
2221 | size_t *written); | |
4bcdb4a6 | 2222 | |
4bcdb4a6 MC |
2223 | __owur int dtls1_read_failed(SSL *s, int code); |
2224 | __owur int dtls1_buffer_message(SSL *s, int ccs); | |
a773b52a | 2225 | __owur int dtls1_retransmit_message(SSL *s, unsigned short seq, int *found); |
4bcdb4a6 | 2226 | __owur int dtls1_get_queue_priority(unsigned short seq, int is_ccs); |
17dd65e6 | 2227 | int dtls1_retransmit_buffered_messages(SSL *s); |
f5c7f5df MC |
2228 | void dtls1_clear_received_buffer(SSL *s); |
2229 | void dtls1_clear_sent_buffer(SSL *s); | |
0f113f3e MC |
2230 | void dtls1_get_message_header(unsigned char *data, |
2231 | struct hm_header_st *msg_hdr); | |
4bcdb4a6 MC |
2232 | __owur long dtls1_default_timeout(void); |
2233 | __owur struct timeval *dtls1_get_timeout(SSL *s, struct timeval *timeleft); | |
2234 | __owur int dtls1_check_timeout_num(SSL *s); | |
2235 | __owur int dtls1_handle_timeout(SSL *s); | |
9289f21b DSH |
2236 | void dtls1_start_timer(SSL *s); |
2237 | void dtls1_stop_timer(SSL *s); | |
4bcdb4a6 | 2238 | __owur int dtls1_is_timer_expired(SSL *s); |
9289f21b | 2239 | void dtls1_double_timeout(SSL *s); |
c536b6be | 2240 | __owur int dtls_raw_hello_verify_request(WPACKET *pkt, unsigned char *cookie, |
cb150cbc | 2241 | size_t cookie_len); |
4bcdb4a6 | 2242 | __owur int dtls1_send_newsession_ticket(SSL *s); |
7ee8627f | 2243 | __owur size_t dtls1_min_mtu(SSL *s); |
8a35dbb6 | 2244 | void dtls1_hm_fragment_free(hm_fragment *frag); |
8ba708e5 | 2245 | __owur int dtls1_query_mtu(SSL *s); |
480506bd | 2246 | |
4bcdb4a6 | 2247 | __owur int tls1_new(SSL *s); |
58964a49 | 2248 | void tls1_free(SSL *s); |
b77f3ed1 | 2249 | int tls1_clear(SSL *s); |
0f113f3e MC |
2250 | long tls1_ctrl(SSL *s, int cmd, long larg, void *parg); |
2251 | long tls1_callback_ctrl(SSL *s, int cmd, void (*fp) (void)); | |
58964a49 | 2252 | |
4bcdb4a6 | 2253 | __owur int dtls1_new(SSL *s); |
36d16f8e | 2254 | void dtls1_free(SSL *s); |
b77f3ed1 | 2255 | int dtls1_clear(SSL *s); |
0f113f3e | 2256 | long dtls1_ctrl(SSL *s, int cmd, long larg, void *parg); |
4bcdb4a6 | 2257 | __owur int dtls1_shutdown(SSL *s); |
36d16f8e | 2258 | |
4bcdb4a6 | 2259 | __owur int dtls1_dispatch_alert(SSL *s); |
36d16f8e | 2260 | |
46417569 | 2261 | __owur int ssl_init_wbio_buffer(SSL *s); |
b77f3ed1 | 2262 | int ssl_free_wbio_buffer(SSL *s); |
58964a49 | 2263 | |
4bcdb4a6 MC |
2264 | __owur int tls1_change_cipher_state(SSL *s, int which); |
2265 | __owur int tls1_setup_key_block(SSL *s); | |
6db6bc5a | 2266 | __owur size_t tls1_final_finish_mac(SSL *s, const char *str, size_t slen, |
12472b45 | 2267 | unsigned char *p); |
4bcdb4a6 | 2268 | __owur int tls1_generate_master_secret(SSL *s, unsigned char *out, |
8c1a5343 MC |
2269 | unsigned char *p, size_t len, |
2270 | size_t *secret_size); | |
92760c21 MC |
2271 | __owur int tls13_setup_key_block(SSL *s); |
2272 | __owur size_t tls13_final_finish_mac(SSL *s, const char *str, size_t slen, | |
2273 | unsigned char *p); | |
0d9824c1 | 2274 | __owur int tls13_change_cipher_state(SSL *s, int which); |
c2fd15f6 | 2275 | __owur int tls13_update_key(SSL *s, int send); |
ec15acb6 MC |
2276 | __owur int tls13_hkdf_expand(SSL *s, const EVP_MD *md, |
2277 | const unsigned char *secret, | |
ace081c1 MC |
2278 | const unsigned char *label, size_t labellen, |
2279 | const unsigned char *hash, | |
2280 | unsigned char *out, size_t outlen); | |
d49e23ec MC |
2281 | __owur int tls13_derive_key(SSL *s, const EVP_MD *md, |
2282 | const unsigned char *secret, unsigned char *key, | |
2283 | size_t keylen); | |
2284 | __owur int tls13_derive_iv(SSL *s, const EVP_MD *md, | |
2285 | const unsigned char *secret, unsigned char *iv, | |
2286 | size_t ivlen); | |
ec15acb6 MC |
2287 | __owur int tls13_derive_finishedkey(SSL *s, const EVP_MD *md, |
2288 | const unsigned char *secret, | |
2289 | unsigned char *fin, size_t finlen); | |
2290 | int tls13_generate_secret(SSL *s, const EVP_MD *md, | |
2291 | const unsigned char *prevsecret, | |
2292 | const unsigned char *insecret, | |
2293 | size_t insecretlen, | |
2294 | unsigned char *outsecret); | |
34574f19 MC |
2295 | __owur int tls13_generate_handshake_secret(SSL *s, |
2296 | const unsigned char *insecret, | |
2297 | size_t insecretlen); | |
2298 | __owur int tls13_generate_master_secret(SSL *s, unsigned char *out, | |
2299 | unsigned char *prev, size_t prevlen, | |
2300 | size_t *secret_size); | |
4bcdb4a6 | 2301 | __owur int tls1_export_keying_material(SSL *s, unsigned char *out, size_t olen, |
a230b26e EK |
2302 | const char *label, size_t llen, |
2303 | const unsigned char *p, size_t plen, | |
2304 | int use_context); | |
4bcdb4a6 | 2305 | __owur int tls1_alert_code(int code); |
04904312 | 2306 | __owur int tls13_alert_code(int code); |
4bcdb4a6 | 2307 | __owur int ssl3_alert_code(int code); |
58964a49 | 2308 | |
10bf4fc2 | 2309 | # ifndef OPENSSL_NO_EC |
4bcdb4a6 | 2310 | __owur int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s); |
0f113f3e | 2311 | # endif |
41fdcfa7 | 2312 | |
f73e07cf | 2313 | SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n); |
413c4f45 | 2314 | |
0f113f3e | 2315 | # ifndef OPENSSL_NO_EC |
ec24630a DSH |
2316 | /* Flags values from tls1_ec_curve_id2nid() */ |
2317 | /* Mask for curve type */ | |
2318 | # define TLS_CURVE_TYPE 0x3 | |
2319 | # define TLS_CURVE_PRIME 0x0 | |
2320 | # define TLS_CURVE_CHAR2 0x1 | |
2321 | # define TLS_CURVE_CUSTOM 0x2 | |
0dd7ba24 MC |
2322 | |
2323 | #define bytestogroup(bytes) ((unsigned int)(bytes[0] << 8 | bytes[1])) | |
2324 | ||
ec24630a | 2325 | __owur int tls1_ec_curve_id2nid(int curve_id, unsigned int *pflags); |
4bcdb4a6 MC |
2326 | __owur int tls1_ec_nid2curve_id(int nid); |
2327 | __owur int tls1_check_curve(SSL *s, const unsigned char *p, size_t len); | |
de4d764e MC |
2328 | __owur int tls1_shared_group(SSL *s, int nmatch); |
2329 | __owur int tls1_set_groups(unsigned char **pext, size_t *pextlen, | |
a230b26e | 2330 | int *curves, size_t ncurves); |
de4d764e | 2331 | __owur int tls1_set_groups_list(unsigned char **pext, size_t *pextlen, |
a230b26e | 2332 | const char *str); |
7da160b0 MC |
2333 | void tls1_get_formatlist(SSL *s, const unsigned char **pformats, |
2334 | size_t *num_formats); | |
4bcdb4a6 | 2335 | __owur int tls1_check_ec_tmp_key(SSL *s, unsigned long id); |
0a699a07 | 2336 | __owur EVP_PKEY *ssl_generate_pkey_curve(int id); |
0f113f3e | 2337 | # endif /* OPENSSL_NO_EC */ |
33273721 | 2338 | |
4bcdb4a6 | 2339 | __owur int tls1_shared_list(SSL *s, |
a230b26e EK |
2340 | const unsigned char *l1, size_t l1len, |
2341 | const unsigned char *l2, size_t l2len, int nmatch); | |
6b473aca MC |
2342 | __owur int tls_curve_allowed(SSL *s, const unsigned char *curve, int op); |
2343 | __owur int tls1_get_curvelist(SSL *s, int sess, const unsigned char **pcurves, | |
2344 | size_t *num_curves); | |
2345 | ||
a0f63828 | 2346 | void ssl_set_default_md(SSL *s); |
4bcdb4a6 | 2347 | __owur int tls1_set_server_sigalgs(SSL *s); |
ddf6ec00 MC |
2348 | |
2349 | /* Return codes for tls_get_ticket_from_client() and tls_decrypt_ticket() */ | |
2350 | typedef enum ticket_en { | |
40f805ad | 2351 | /* fatal error, malloc failure */ |
ddf6ec00 | 2352 | TICKET_FATAL_ERR_MALLOC, |
40f805ad | 2353 | /* fatal error, either from parsing or decrypting the ticket */ |
ddf6ec00 | 2354 | TICKET_FATAL_ERR_OTHER, |
40f805ad | 2355 | /* No ticket present */ |
ddf6ec00 | 2356 | TICKET_NONE, |
40f805ad | 2357 | /* Empty ticket present */ |
ddf6ec00 | 2358 | TICKET_EMPTY, |
40f805ad | 2359 | /* the ticket couldn't be decrypted */ |
ddf6ec00 | 2360 | TICKET_NO_DECRYPT, |
40f805ad | 2361 | /* a ticket was successfully decrypted */ |
ddf6ec00 | 2362 | TICKET_SUCCESS, |
40f805ad | 2363 | /* same as above but the ticket needs to be reneewed */ |
ddf6ec00 MC |
2364 | TICKET_SUCCESS_RENEW |
2365 | } TICKET_RETURN; | |
2366 | ||
2367 | __owur TICKET_RETURN tls_get_ticket_from_client(SSL *s, CLIENTHELLO_MSG *hello, | |
2368 | SSL_SESSION **ret); | |
2369 | __owur TICKET_RETURN tls_decrypt_ticket(SSL *s, const unsigned char *etick, | |
2370 | size_t eticklen, | |
2371 | const unsigned char *sess_id, | |
2372 | size_t sesslen, SSL_SESSION **psess); | |
1053a6e2 | 2373 | |
7da160b0 | 2374 | __owur int tls_use_ticket(SSL *s); |
a2f9200f | 2375 | |
90d9e49a | 2376 | void ssl_set_sig_mask(uint32_t *pmask_a, SSL *s, int op); |
a2f9200f | 2377 | |
4bcdb4a6 | 2378 | __owur int tls1_set_sigalgs_list(CERT *c, const char *str, int client); |
a230b26e EK |
2379 | __owur int tls1_set_sigalgs(CERT *c, const int *salg, size_t salglen, |
2380 | int client); | |
17dd65e6 | 2381 | int tls1_check_chain(SSL *s, X509 *x, EVP_PKEY *pk, STACK_OF(X509) *chain, |
0f113f3e | 2382 | int idx); |
d61ff83b | 2383 | void tls1_set_cert_validity(SSL *s); |
0f229cce | 2384 | |
a230b26e | 2385 | # ifndef OPENSSL_NO_CT |
4d482ee2 | 2386 | __owur int ssl_validate_ct(SSL *s); |
a230b26e | 2387 | # endif |
ed29e82a | 2388 | |
0f113f3e | 2389 | # ifndef OPENSSL_NO_DH |
4bcdb4a6 | 2390 | __owur DH *ssl_get_auto_dh(SSL *s); |
0f113f3e | 2391 | # endif |
b362ccab | 2392 | |
4bcdb4a6 | 2393 | __owur int ssl_security_cert(SSL *s, SSL_CTX *ctx, X509 *x, int vfy, int is_ee); |
a230b26e EK |
2394 | __owur int ssl_security_cert_chain(SSL *s, STACK_OF(X509) *sk, X509 *ex, |
2395 | int vfy); | |
b362ccab | 2396 | |
4a419f60 | 2397 | int tls_choose_sigalg(SSL *s, int *al); |
93a77f9e | 2398 | |
4bcdb4a6 | 2399 | __owur EVP_MD_CTX *ssl_replace_hash(EVP_MD_CTX **hash, const EVP_MD *md); |
b948e2c5 | 2400 | void ssl_clear_hash_ctx(EVP_MD_CTX **hash); |
4bcdb4a6 | 2401 | __owur long ssl_get_algorithm2(SSL *s); |
ae2f7b37 | 2402 | __owur int tls12_copy_sigalgs(SSL *s, WPACKET *pkt, |
98c792d1 | 2403 | const uint16_t *psig, size_t psiglen); |
703bcee0 | 2404 | __owur int tls1_save_sigalgs(SSL *s, PACKET *pkt); |
4bcdb4a6 | 2405 | __owur int tls1_process_sigalgs(SSL *s); |
0972bc5c | 2406 | __owur int tls1_set_peer_legacy_sigalg(SSL *s, const EVP_PKEY *pkey); |
98c792d1 | 2407 | __owur size_t tls12_get_psigalgs(SSL *s, int sent, const uint16_t **psigs); |
f742cda8 | 2408 | __owur int tls12_check_peer_sigalg(SSL *s, uint16_t, EVP_PKEY *pkey); |
b7bfe69b | 2409 | void ssl_set_client_disabled(SSL *s); |
8af91fd9 | 2410 | __owur int ssl_cipher_disabled(SSL *s, const SSL_CIPHER *c, int op, int echde); |
1c78c43b | 2411 | |
8c1a5343 MC |
2412 | __owur int ssl_handshake_hash(SSL *s, unsigned char *out, size_t outlen, |
2413 | size_t *hashlen); | |
152fbc28 | 2414 | __owur const EVP_MD *ssl_md(int idx); |
28ba2541 DSH |
2415 | __owur const EVP_MD *ssl_handshake_md(SSL *s); |
2416 | __owur const EVP_MD *ssl_prf_md(SSL *s); | |
48fbcbac | 2417 | |
2faa1b48 CB |
2418 | /* |
2419 | * ssl_log_rsa_client_key_exchange logs |premaster| to the SSL_CTX associated | |
2420 | * with |ssl|, if logging is enabled. It returns one on success and zero on | |
2421 | * failure. The entry is identified by the first 8 bytes of | |
2422 | * |encrypted_premaster|. | |
2423 | */ | |
2424 | __owur int ssl_log_rsa_client_key_exchange(SSL *ssl, | |
2425 | const uint8_t *encrypted_premaster, | |
2426 | size_t encrypted_premaster_len, | |
2427 | const uint8_t *premaster, | |
2428 | size_t premaster_len); | |
2429 | ||
2c7bd692 CB |
2430 | /* |
2431 | * ssl_log_secret logs |secret| to the SSL_CTX associated with |ssl|, if | |
2432 | * logging is available. It returns one on success and zero on failure. It tags | |
2433 | * the entry with |label|. | |
2faa1b48 | 2434 | */ |
2c7bd692 CB |
2435 | __owur int ssl_log_secret(SSL *ssl, const char *label, |
2436 | const uint8_t *secret, size_t secret_len); | |
2437 | ||
2438 | #define MASTER_SECRET_LABEL "CLIENT_RANDOM" | |
d49e23ec | 2439 | #define CLIENT_EARLY_LABEL "CLIENT_EARLY_TRAFFIC_SECRET" |
2c7bd692 CB |
2440 | #define CLIENT_HANDSHAKE_LABEL "CLIENT_HANDSHAKE_TRAFFIC_SECRET" |
2441 | #define SERVER_HANDSHAKE_LABEL "SERVER_HANDSHAKE_TRAFFIC_SECRET" | |
2442 | #define CLIENT_APPLICATION_LABEL "CLIENT_TRAFFIC_SECRET_0" | |
2443 | #define SERVER_APPLICATION_LABEL "SERVER_TRAFFIC_SECRET_0" | |
2faa1b48 | 2444 | |
2acc020b | 2445 | /* s3_cbc.c */ |
4bcdb4a6 | 2446 | __owur char ssl3_cbc_record_digest_supported(const EVP_MD_CTX *ctx); |
5f3d93e4 MC |
2447 | __owur int ssl3_cbc_digest_record(const EVP_MD_CTX *ctx, |
2448 | unsigned char *md_out, | |
2449 | size_t *md_out_size, | |
2450 | const unsigned char header[13], | |
2451 | const unsigned char *data, | |
2452 | size_t data_plus_mac_size, | |
2453 | size_t data_plus_mac_plus_padding_size, | |
2454 | const unsigned char *mac_secret, | |
d0e7c31d | 2455 | size_t mac_secret_length, char is_sslv3); |
0f113f3e | 2456 | |
57b272b0 DSH |
2457 | __owur int srp_generate_server_master_secret(SSL *s); |
2458 | __owur int srp_generate_client_master_secret(SSL *s); | |
4bcdb4a6 | 2459 | __owur int srp_verify_server_param(SSL *s, int *al); |
0989790b | 2460 | |
43ae5eed MC |
2461 | /* statem/extensions_cust.c */ |
2462 | ||
787d9ec7 MC |
2463 | custom_ext_method *custom_ext_find(const custom_ext_methods *exts, |
2464 | ENDPOINT role, unsigned int ext_type, | |
2465 | size_t *idx); | |
ecf4d660 | 2466 | |
28ea0a0c DSH |
2467 | void custom_ext_init(custom_ext_methods *meths); |
2468 | ||
43ae5eed | 2469 | __owur int custom_ext_parse(SSL *s, unsigned int context, unsigned int ext_type, |
a230b26e | 2470 | const unsigned char *ext_data, size_t ext_size, |
43ae5eed MC |
2471 | X509 *x, size_t chainidx, int *al); |
2472 | __owur int custom_ext_add(SSL *s, int context, WPACKET *pkt, X509 *x, | |
2473 | size_t chainidx, int maxversion, int *al); | |
a230b26e EK |
2474 | |
2475 | __owur int custom_exts_copy(custom_ext_methods *dst, | |
2476 | const custom_ext_methods *src); | |
21181889 MC |
2477 | __owur int custom_exts_copy_flags(custom_ext_methods *dst, |
2478 | const custom_ext_methods *src); | |
ecf4d660 DSH |
2479 | void custom_exts_free(custom_ext_methods *exts); |
2480 | ||
b3599dbb | 2481 | void ssl_comp_free_compression_methods_int(void); |
03b0e735 | 2482 | |
4ee7d3f9 | 2483 | # else /* OPENSSL_UNIT_TEST */ |
e0fc7961 | 2484 | |
0f113f3e MC |
2485 | # define ssl_init_wbio_buffer SSL_test_functions()->p_ssl_init_wbio_buffer |
2486 | # define ssl3_setup_buffers SSL_test_functions()->p_ssl3_setup_buffers | |
c4e6fb15 | 2487 | |
0f113f3e | 2488 | # endif |
e0fc7961 | 2489 | #endif |