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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" | |
52e1d7b1 | 69 | |
0f113f3e MC |
70 | # ifdef OPENSSL_BUILD_SHLIBSSL |
71 | # undef OPENSSL_EXTERN | |
72 | # define OPENSSL_EXTERN OPENSSL_EXPORT | |
73 | # endif | |
26da3e65 | 74 | |
0f113f3e | 75 | # undef PKCS1_CHECK |
d02b48c6 | 76 | |
0f113f3e MC |
77 | # define c2l(c,l) (l = ((unsigned long)(*((c)++))) , \ |
78 | l|=(((unsigned long)(*((c)++)))<< 8), \ | |
79 | l|=(((unsigned long)(*((c)++)))<<16), \ | |
80 | l|=(((unsigned long)(*((c)++)))<<24)) | |
d02b48c6 RE |
81 | |
82 | /* NOTE - c is not incremented as per c2l */ | |
0f113f3e MC |
83 | # define c2ln(c,l1,l2,n) { \ |
84 | c+=n; \ | |
85 | l1=l2=0; \ | |
86 | switch (n) { \ | |
87 | case 8: l2 =((unsigned long)(*(--(c))))<<24; \ | |
88 | case 7: l2|=((unsigned long)(*(--(c))))<<16; \ | |
89 | case 6: l2|=((unsigned long)(*(--(c))))<< 8; \ | |
90 | case 5: l2|=((unsigned long)(*(--(c)))); \ | |
91 | case 4: l1 =((unsigned long)(*(--(c))))<<24; \ | |
92 | case 3: l1|=((unsigned long)(*(--(c))))<<16; \ | |
93 | case 2: l1|=((unsigned long)(*(--(c))))<< 8; \ | |
94 | case 1: l1|=((unsigned long)(*(--(c)))); \ | |
95 | } \ | |
96 | } | |
97 | ||
98 | # define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \ | |
99 | *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ | |
100 | *((c)++)=(unsigned char)(((l)>>16)&0xff), \ | |
101 | *((c)++)=(unsigned char)(((l)>>24)&0xff)) | |
102 | ||
103 | # define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24, \ | |
104 | l|=((unsigned long)(*((c)++)))<<16, \ | |
105 | l|=((unsigned long)(*((c)++)))<< 8, \ | |
106 | l|=((unsigned long)(*((c)++)))) | |
107 | ||
31c34a3e DW |
108 | # define n2l8(c,l) (l =((uint64_t)(*((c)++)))<<56, \ |
109 | l|=((uint64_t)(*((c)++)))<<48, \ | |
110 | l|=((uint64_t)(*((c)++)))<<40, \ | |
111 | l|=((uint64_t)(*((c)++)))<<32, \ | |
112 | l|=((uint64_t)(*((c)++)))<<24, \ | |
113 | l|=((uint64_t)(*((c)++)))<<16, \ | |
114 | l|=((uint64_t)(*((c)++)))<< 8, \ | |
115 | l|=((uint64_t)(*((c)++)))) | |
116 | ||
117 | ||
0f113f3e MC |
118 | # define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24)&0xff), \ |
119 | *((c)++)=(unsigned char)(((l)>>16)&0xff), \ | |
120 | *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ | |
121 | *((c)++)=(unsigned char)(((l) )&0xff)) | |
122 | ||
123 | # define l2n6(l,c) (*((c)++)=(unsigned char)(((l)>>40)&0xff), \ | |
124 | *((c)++)=(unsigned char)(((l)>>32)&0xff), \ | |
125 | *((c)++)=(unsigned char)(((l)>>24)&0xff), \ | |
126 | *((c)++)=(unsigned char)(((l)>>16)&0xff), \ | |
127 | *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ | |
128 | *((c)++)=(unsigned char)(((l) )&0xff)) | |
129 | ||
130 | # define l2n8(l,c) (*((c)++)=(unsigned char)(((l)>>56)&0xff), \ | |
131 | *((c)++)=(unsigned char)(((l)>>48)&0xff), \ | |
132 | *((c)++)=(unsigned char)(((l)>>40)&0xff), \ | |
133 | *((c)++)=(unsigned char)(((l)>>32)&0xff), \ | |
134 | *((c)++)=(unsigned char)(((l)>>24)&0xff), \ | |
135 | *((c)++)=(unsigned char)(((l)>>16)&0xff), \ | |
136 | *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ | |
137 | *((c)++)=(unsigned char)(((l) )&0xff)) | |
138 | ||
d02b48c6 | 139 | /* NOTE - c is not incremented as per l2c */ |
0f113f3e MC |
140 | # define l2cn(l1,l2,c,n) { \ |
141 | c+=n; \ | |
142 | switch (n) { \ | |
143 | case 8: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \ | |
144 | case 7: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \ | |
145 | case 6: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \ | |
146 | case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \ | |
147 | case 4: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \ | |
148 | case 3: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \ | |
149 | case 2: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \ | |
150 | case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \ | |
151 | } \ | |
152 | } | |
153 | ||
d4450e4b MC |
154 | # define n2s(c,s) ((s=(((unsigned int)((c)[0]))<< 8)| \ |
155 | (((unsigned int)((c)[1])) )),(c)+=2) | |
156 | # define s2n(s,c) (((c)[0]=(unsigned char)(((s)>> 8)&0xff), \ | |
157 | (c)[1]=(unsigned char)(((s) )&0xff)),(c)+=2) | |
158 | ||
159 | # define n2l3(c,l) ((l =(((unsigned long)((c)[0]))<<16)| \ | |
160 | (((unsigned long)((c)[1]))<< 8)| \ | |
161 | (((unsigned long)((c)[2])) )),(c)+=3) | |
162 | ||
163 | # define l2n3(l,c) (((c)[0]=(unsigned char)(((l)>>16)&0xff), \ | |
164 | (c)[1]=(unsigned char)(((l)>> 8)&0xff), \ | |
165 | (c)[2]=(unsigned char)(((l) )&0xff)),(c)+=3) | |
d02b48c6 | 166 | |
a230b26e EK |
167 | /* |
168 | * DTLS version numbers are strange because they're inverted. Except for | |
169 | * DTLS1_BAD_VER, which should be considered "lower" than the rest. | |
170 | */ | |
171 | # define dtls_ver_ordinal(v1) (((v1) == DTLS1_BAD_VER) ? 0xff00 : (v1)) | |
172 | # define DTLS_VERSION_GT(v1, v2) (dtls_ver_ordinal(v1) < dtls_ver_ordinal(v2)) | |
173 | # define DTLS_VERSION_GE(v1, v2) (dtls_ver_ordinal(v1) <= dtls_ver_ordinal(v2)) | |
174 | # define DTLS_VERSION_LT(v1, v2) (dtls_ver_ordinal(v1) > dtls_ver_ordinal(v2)) | |
175 | # define DTLS_VERSION_LE(v1, v2) (dtls_ver_ordinal(v1) >= dtls_ver_ordinal(v2)) | |
7946ab33 | 176 | |
d02b48c6 RE |
177 | /* LOCAL STUFF */ |
178 | ||
0f113f3e MC |
179 | # define SSL_DECRYPT 0 |
180 | # define SSL_ENCRYPT 1 | |
d02b48c6 | 181 | |
0f113f3e MC |
182 | # define TWO_BYTE_BIT 0x80 |
183 | # define SEC_ESC_BIT 0x40 | |
184 | # define TWO_BYTE_MASK 0x7fff | |
185 | # define THREE_BYTE_MASK 0x3fff | |
d02b48c6 | 186 | |
0f113f3e MC |
187 | # define INC32(a) ((a)=((a)+1)&0xffffffffL) |
188 | # define DEC32(a) ((a)=((a)-1)&0xffffffffL) | |
189 | # define MAX_MAC_SIZE 20 /* up from 16 for SSLv3 */ | |
d02b48c6 | 190 | |
018e57c7 DSH |
191 | /* |
192 | * Define the Bitmasks for SSL_CIPHER.algorithms. | |
193 | * This bits are used packed as dense as possible. If new methods/ciphers | |
194 | * etc will be added, the bits a likely to change, so this information | |
195 | * is for internal library use only, even though SSL_CIPHER.algorithms | |
196 | * can be publicly accessed. | |
197 | * Use the according functions for cipher management instead. | |
198 | * | |
657e60fa | 199 | * The bit mask handling in the selection and sorting scheme in |
018e57c7 | 200 | * ssl_create_cipher_list() has only limited capabilities, reflecting |
657e60fa | 201 | * that the different entities within are mutually exclusive: |
018e57c7 DSH |
202 | * ONLY ONE BIT PER MASK CAN BE SET AT A TIME. |
203 | */ | |
52b8dad8 BM |
204 | |
205 | /* Bits for algorithm_mkey (key exchange algorithm) */ | |
68d39f3c | 206 | /* RSA key exchange */ |
36e79832 | 207 | # define SSL_kRSA 0x00000001U |
68d39f3c | 208 | /* tmp DH key no DH cert */ |
bc71f910 | 209 | # define SSL_kDHE 0x00000002U |
68d39f3c | 210 | /* synonym */ |
0f113f3e | 211 | # define SSL_kEDH SSL_kDHE |
68d39f3c | 212 | /* ephemeral ECDH */ |
ce0c1f2b | 213 | # define SSL_kECDHE 0x00000004U |
68d39f3c | 214 | /* synonym */ |
0f113f3e | 215 | # define SSL_kEECDH SSL_kECDHE |
68d39f3c | 216 | /* PSK */ |
ce0c1f2b | 217 | # define SSL_kPSK 0x00000008U |
68d39f3c | 218 | /* GOST key exchange */ |
ce0c1f2b | 219 | # define SSL_kGOST 0x00000010U |
68d39f3c | 220 | /* SRP */ |
ce0c1f2b | 221 | # define SSL_kSRP 0x00000020U |
52b8dad8 | 222 | |
ce0c1f2b DSH |
223 | # define SSL_kRSAPSK 0x00000040U |
224 | # define SSL_kECDHEPSK 0x00000080U | |
225 | # define SSL_kDHEPSK 0x00000100U | |
64651d39 DSH |
226 | |
227 | /* all PSK */ | |
228 | ||
a230b26e | 229 | # define SSL_PSK (SSL_kPSK | SSL_kRSAPSK | SSL_kECDHEPSK | SSL_kDHEPSK) |
64651d39 | 230 | |
52b8dad8 | 231 | /* Bits for algorithm_auth (server authentication) */ |
68d39f3c | 232 | /* RSA auth */ |
36e79832 | 233 | # define SSL_aRSA 0x00000001U |
68d39f3c | 234 | /* DSS auth */ |
36e79832 | 235 | # define SSL_aDSS 0x00000002U |
68d39f3c | 236 | /* no auth (i.e. use ADH or AECDH) */ |
36e79832 | 237 | # define SSL_aNULL 0x00000004U |
68d39f3c | 238 | /* ECDSA auth*/ |
ce0c1f2b | 239 | # define SSL_aECDSA 0x00000008U |
68d39f3c | 240 | /* PSK auth */ |
ce0c1f2b | 241 | # define SSL_aPSK 0x00000010U |
68d39f3c | 242 | /* GOST R 34.10-2001 signature auth */ |
ce0c1f2b | 243 | # define SSL_aGOST01 0x00000020U |
68d39f3c | 244 | /* SRP auth */ |
ce0c1f2b | 245 | # define SSL_aSRP 0x00000040U |
e44380a9 | 246 | /* GOST R 34.10-2012 signature auth */ |
ce0c1f2b | 247 | # define SSL_aGOST12 0x00000080U |
52b8dad8 BM |
248 | |
249 | /* Bits for algorithm_enc (symmetric encryption) */ | |
36e79832 DSH |
250 | # define SSL_DES 0x00000001U |
251 | # define SSL_3DES 0x00000002U | |
252 | # define SSL_RC4 0x00000004U | |
253 | # define SSL_RC2 0x00000008U | |
254 | # define SSL_IDEA 0x00000010U | |
255 | # define SSL_eNULL 0x00000020U | |
256 | # define SSL_AES128 0x00000040U | |
257 | # define SSL_AES256 0x00000080U | |
258 | # define SSL_CAMELLIA128 0x00000100U | |
259 | # define SSL_CAMELLIA256 0x00000200U | |
260 | # define SSL_eGOST2814789CNT 0x00000400U | |
261 | # define SSL_SEED 0x00000800U | |
262 | # define SSL_AES128GCM 0x00001000U | |
263 | # define SSL_AES256GCM 0x00002000U | |
264 | # define SSL_AES128CCM 0x00004000U | |
265 | # define SSL_AES256CCM 0x00008000U | |
266 | # define SSL_AES128CCM8 0x00010000U | |
267 | # define SSL_AES256CCM8 0x00020000U | |
e44380a9 | 268 | # define SSL_eGOST2814789CNT12 0x00040000U |
a76ba82c | 269 | # define SSL_CHACHA20POLY1305 0x00080000U |
0f113f3e | 270 | |
a556f342 EK |
271 | # define SSL_AESGCM (SSL_AES128GCM | SSL_AES256GCM) |
272 | # define SSL_AESCCM (SSL_AES128CCM | SSL_AES256CCM | SSL_AES128CCM8 | SSL_AES256CCM8) | |
273 | # define SSL_AES (SSL_AES128|SSL_AES256|SSL_AESGCM|SSL_AESCCM) | |
0f113f3e | 274 | # define SSL_CAMELLIA (SSL_CAMELLIA128|SSL_CAMELLIA256) |
1c37fd96 | 275 | # define SSL_CHACHA20 (SSL_CHACHA20POLY1305) |
52b8dad8 BM |
276 | |
277 | /* Bits for algorithm_mac (symmetric authentication) */ | |
28dd49fa | 278 | |
36e79832 DSH |
279 | # define SSL_MD5 0x00000001U |
280 | # define SSL_SHA1 0x00000002U | |
281 | # define SSL_GOST94 0x00000004U | |
282 | # define SSL_GOST89MAC 0x00000008U | |
283 | # define SSL_SHA256 0x00000010U | |
284 | # define SSL_SHA384 0x00000020U | |
28dd49fa | 285 | /* Not a real MAC, just an indication it is part of cipher */ |
36e79832 | 286 | # define SSL_AEAD 0x00000040U |
e44380a9 DB |
287 | # define SSL_GOST12_256 0x00000080U |
288 | # define SSL_GOST89MAC12 0x00000100U | |
289 | # define SSL_GOST12_512 0x00000200U | |
52b8dad8 | 290 | |
0f113f3e | 291 | /* |
e44380a9 | 292 | * When adding new digest in the ssl_ciph.c and increment SSL_MD_NUM_IDX make |
0f113f3e MC |
293 | * sure to update this constant too |
294 | */ | |
28ba2541 DSH |
295 | |
296 | # define SSL_MD_MD5_IDX 0 | |
297 | # define SSL_MD_SHA1_IDX 1 | |
298 | # define SSL_MD_GOST94_IDX 2 | |
299 | # define SSL_MD_GOST89MAC_IDX 3 | |
300 | # define SSL_MD_SHA256_IDX 4 | |
301 | # define SSL_MD_SHA384_IDX 5 | |
302 | # define SSL_MD_GOST12_256_IDX 6 | |
303 | # define SSL_MD_GOST89MAC12_IDX 7 | |
304 | # define SSL_MD_GOST12_512_IDX 8 | |
305 | # define SSL_MD_MD5_SHA1_IDX 9 | |
7afd2312 DSH |
306 | # define SSL_MD_SHA224_IDX 10 |
307 | # define SSL_MD_SHA512_IDX 11 | |
308 | # define SSL_MAX_DIGEST 12 | |
28ba2541 DSH |
309 | |
310 | /* Bits for algorithm2 (handshake digests and other extra flags) */ | |
311 | ||
312 | /* Bits 0-7 are handshake MAC */ | |
313 | # define SSL_HANDSHAKE_MAC_MASK 0xFF | |
314 | # define SSL_HANDSHAKE_MAC_MD5_SHA1 SSL_MD_MD5_SHA1_IDX | |
315 | # define SSL_HANDSHAKE_MAC_SHA256 SSL_MD_SHA256_IDX | |
316 | # define SSL_HANDSHAKE_MAC_SHA384 SSL_MD_SHA384_IDX | |
317 | # define SSL_HANDSHAKE_MAC_GOST94 SSL_MD_GOST94_IDX | |
318 | # define SSL_HANDSHAKE_MAC_GOST12_256 SSL_MD_GOST12_256_IDX | |
319 | # define SSL_HANDSHAKE_MAC_GOST12_512 SSL_MD_GOST12_512_IDX | |
320 | # define SSL_HANDSHAKE_MAC_DEFAULT SSL_HANDSHAKE_MAC_MD5_SHA1 | |
321 | ||
322 | /* Bits 8-15 bits are PRF */ | |
323 | # define TLS1_PRF_DGST_SHIFT 8 | |
324 | # define TLS1_PRF_SHA1_MD5 (SSL_MD_MD5_SHA1_IDX << TLS1_PRF_DGST_SHIFT) | |
325 | # define TLS1_PRF_SHA256 (SSL_MD_SHA256_IDX << TLS1_PRF_DGST_SHIFT) | |
326 | # define TLS1_PRF_SHA384 (SSL_MD_SHA384_IDX << TLS1_PRF_DGST_SHIFT) | |
327 | # define TLS1_PRF_GOST94 (SSL_MD_GOST94_IDX << TLS1_PRF_DGST_SHIFT) | |
328 | # define TLS1_PRF_GOST12_256 (SSL_MD_GOST12_256_IDX << TLS1_PRF_DGST_SHIFT) | |
329 | # define TLS1_PRF_GOST12_512 (SSL_MD_GOST12_512_IDX << TLS1_PRF_DGST_SHIFT) | |
330 | # define TLS1_PRF (SSL_MD_MD5_SHA1_IDX << TLS1_PRF_DGST_SHIFT) | |
761772d7 | 331 | |
0f113f3e MC |
332 | /* |
333 | * Stream MAC for GOST ciphersuites from cryptopro draft (currently this also | |
334 | * goes into algorithm2) | |
335 | */ | |
28ba2541 | 336 | # define TLS1_STREAM_MAC 0x10000 |
761772d7 | 337 | |
88a9614b | 338 | # define SSL_STRONG_MASK 0x0000001FU |
361a1191 | 339 | # define SSL_DEFAULT_MASK 0X00000020U |
c84f7f4a | 340 | |
361a1191 KR |
341 | # define SSL_STRONG_NONE 0x00000001U |
342 | # define SSL_LOW 0x00000002U | |
343 | # define SSL_MEDIUM 0x00000004U | |
344 | # define SSL_HIGH 0x00000008U | |
345 | # define SSL_FIPS 0x00000010U | |
346 | # define SSL_NOT_DEFAULT 0x00000020U | |
018e57c7 | 347 | |
361a1191 | 348 | /* we have used 0000003f - 26 bits left to go */ |
d02b48c6 | 349 | |
890f2f8b | 350 | /* Check if an SSL structure is using DTLS */ |
0f113f3e | 351 | # define SSL_IS_DTLS(s) (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS) |
cbd64894 | 352 | /* See if we need explicit IV */ |
0f113f3e MC |
353 | # define SSL_USE_EXPLICIT_IV(s) \ |
354 | (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_EXPLICIT_IV) | |
355 | /* | |
356 | * See if we use signature algorithms extension and signature algorithm | |
357 | * before signatures. | |
cbd64894 | 358 | */ |
0f113f3e MC |
359 | # define SSL_USE_SIGALGS(s) \ |
360 | (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_SIGALGS) | |
361 | /* | |
362 | * Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2: may | |
363 | * apply to others in future. | |
4221c0dd | 364 | */ |
0f113f3e MC |
365 | # define SSL_USE_TLS1_2_CIPHERS(s) \ |
366 | (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_TLS1_2_CIPHERS) | |
367 | /* | |
368 | * Determine if a client can use TLS 1.2 ciphersuites: can't rely on method | |
1e2d4cb0 DSH |
369 | * flags because it may not be set to correct version yet. |
370 | */ | |
0f113f3e | 371 | # define SSL_CLIENT_USE_TLS1_2_CIPHERS(s) \ |
4fa52141 VD |
372 | ((!SSL_IS_DTLS(s) && s->client_version >= TLS1_2_VERSION) || \ |
373 | (SSL_IS_DTLS(s) && DTLS_VERSION_GE(s->client_version, DTLS1_2_VERSION))) | |
f7aa3185 DB |
374 | /* |
375 | * Determine if a client should send signature algorithms extension: | |
376 | * as with TLS1.2 cipher we can't rely on method flags. | |
377 | */ | |
378 | # define SSL_CLIENT_USE_SIGALGS(s) \ | |
379 | SSL_CLIENT_USE_TLS1_2_CIPHERS(s) | |
0f113f3e | 380 | |
a230b26e | 381 | # define SSL_USE_ETM(s) (s->s3->flags & TLS1_FLAGS_ENCRYPT_THEN_MAC) |
5e3ff62c | 382 | |
d02b48c6 | 383 | /* Mostly for SSLv3 */ |
0f113f3e MC |
384 | # define SSL_PKEY_RSA_ENC 0 |
385 | # define SSL_PKEY_RSA_SIGN 1 | |
386 | # define SSL_PKEY_DSA_SIGN 2 | |
bc71f910 DSH |
387 | # define SSL_PKEY_ECC 3 |
388 | # define SSL_PKEY_GOST01 4 | |
389 | # define SSL_PKEY_GOST12_256 5 | |
390 | # define SSL_PKEY_GOST12_512 6 | |
391 | # define SSL_PKEY_NUM 7 | |
e44380a9 DB |
392 | /* |
393 | * Pseudo-constant. GOST cipher suites can use different certs for 1 | |
394 | * SSL_CIPHER. So let's see which one we have in fact. | |
395 | */ | |
396 | # define SSL_PKEY_GOST_EC SSL_PKEY_NUM+1 | |
d02b48c6 | 397 | |
1d97c843 | 398 | /*- |
361a1191 | 399 | * SSL_kRSA <- RSA_ENC |
d02b48c6 | 400 | * SSL_kDH <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN) |
5a21cadb | 401 | * SSL_kDHE <- RSA_ENC | RSA_SIGN | DSA_SIGN |
d02b48c6 RE |
402 | * SSL_aRSA <- RSA_ENC | RSA_SIGN |
403 | * SSL_aDSS <- DSA_SIGN | |
404 | */ | |
405 | ||
23a22b4c | 406 | /*- |
0f113f3e MC |
407 | #define CERT_INVALID 0 |
408 | #define CERT_PUBLIC_KEY 1 | |
409 | #define CERT_PRIVATE_KEY 2 | |
d02b48c6 RE |
410 | */ |
411 | ||
e9fa092e | 412 | /* CipherSuite length. SSLv3 and all TLS versions. */ |
a230b26e | 413 | # define TLS_CIPHER_LEN 2 |
b6ba4014 MC |
414 | /* used to hold info on the particular ciphers used */ |
415 | struct ssl_cipher_st { | |
90d9e49a | 416 | uint32_t valid; |
a230b26e EK |
417 | const char *name; /* text name */ |
418 | uint32_t id; /* id, 4 bytes, first is version */ | |
b6ba4014 | 419 | /* |
90d9e49a | 420 | * changed in 1.0.0: these four used to be portions of a single value |
b6ba4014 MC |
421 | * 'algorithms' |
422 | */ | |
a230b26e EK |
423 | uint32_t algorithm_mkey; /* key exchange algorithm */ |
424 | uint32_t algorithm_auth; /* server authentication */ | |
425 | uint32_t algorithm_enc; /* symmetric encryption */ | |
426 | uint32_t algorithm_mac; /* symmetric authentication */ | |
427 | int min_tls; /* minimum SSL/TLS protocol version */ | |
428 | int max_tls; /* maximum SSL/TLS protocol version */ | |
429 | int min_dtls; /* minimum DTLS protocol version */ | |
430 | int max_dtls; /* maximum DTLS protocol version */ | |
431 | uint32_t algo_strength; /* strength and export flags */ | |
432 | uint32_t algorithm2; /* Extra flags */ | |
433 | int32_t strength_bits; /* Number of bits really used */ | |
434 | uint32_t alg_bits; /* Number of bits for algorithm */ | |
b6ba4014 MC |
435 | }; |
436 | ||
87d9cafa | 437 | /* Used to hold SSL/TLS functions */ |
b6ba4014 MC |
438 | struct ssl_method_st { |
439 | int version; | |
4fa52141 VD |
440 | unsigned flags; |
441 | unsigned long mask; | |
b6ba4014 MC |
442 | int (*ssl_new) (SSL *s); |
443 | void (*ssl_clear) (SSL *s); | |
444 | void (*ssl_free) (SSL *s); | |
445 | int (*ssl_accept) (SSL *s); | |
446 | int (*ssl_connect) (SSL *s); | |
eda75751 MC |
447 | int (*ssl_read) (SSL *s, void *buf, size_t len, size_t *read); |
448 | int (*ssl_peek) (SSL *s, void *buf, size_t len, size_t *read); | |
7ee8627f | 449 | int (*ssl_write) (SSL *s, const void *buf, size_t len, size_t *written); |
b6ba4014 MC |
450 | int (*ssl_shutdown) (SSL *s); |
451 | int (*ssl_renegotiate) (SSL *s); | |
452 | int (*ssl_renegotiate_check) (SSL *s); | |
657da85e | 453 | int (*ssl_read_bytes) (SSL *s, int type, int *recvd_type, |
eda75751 MC |
454 | unsigned char *buf, size_t len, int peek, |
455 | size_t *read); | |
7ee8627f MC |
456 | int (*ssl_write_bytes) (SSL *s, int type, const void *buf_, size_t len, |
457 | size_t *written); | |
b6ba4014 MC |
458 | int (*ssl_dispatch_alert) (SSL *s); |
459 | long (*ssl_ctrl) (SSL *s, int cmd, long larg, void *parg); | |
460 | long (*ssl_ctx_ctrl) (SSL_CTX *ctx, int cmd, long larg, void *parg); | |
461 | const SSL_CIPHER *(*get_cipher_by_char) (const unsigned char *ptr); | |
ae2f7b37 | 462 | int (*put_cipher_by_char) (const SSL_CIPHER *cipher, WPACKET *pkt, |
2c7b4dbc | 463 | size_t *len); |
b6ba4014 MC |
464 | int (*ssl_pending) (const SSL *s); |
465 | int (*num_ciphers) (void); | |
466 | const SSL_CIPHER *(*get_cipher) (unsigned ncipher); | |
b6ba4014 MC |
467 | long (*get_timeout) (void); |
468 | const struct ssl3_enc_method *ssl3_enc; /* Extra SSLv3/TLS stuff */ | |
469 | int (*ssl_version) (void); | |
470 | long (*ssl_callback_ctrl) (SSL *s, int cb_id, void (*fp) (void)); | |
471 | long (*ssl_ctx_callback_ctrl) (SSL_CTX *s, int cb_id, void (*fp) (void)); | |
472 | }; | |
473 | ||
474 | /*- | |
475 | * Lets make this into an ASN.1 type structure as follows | |
476 | * SSL_SESSION_ID ::= SEQUENCE { | |
477 | * version INTEGER, -- structure version number | |
478 | * SSLversion INTEGER, -- SSL version number | |
479 | * Cipher OCTET STRING, -- the 3 byte cipher ID | |
480 | * Session_ID OCTET STRING, -- the Session ID | |
481 | * Master_key OCTET STRING, -- the master key | |
b6ba4014 MC |
482 | * Key_Arg [ 0 ] IMPLICIT OCTET STRING, -- the optional Key argument |
483 | * Time [ 1 ] EXPLICIT INTEGER, -- optional Start Time | |
484 | * Timeout [ 2 ] EXPLICIT INTEGER, -- optional Timeout ins seconds | |
485 | * Peer [ 3 ] EXPLICIT X509, -- optional Peer Certificate | |
486 | * Session_ID_context [ 4 ] EXPLICIT OCTET STRING, -- the Session ID context | |
487 | * Verify_result [ 5 ] EXPLICIT INTEGER, -- X509_V_... code for `Peer' | |
488 | * HostName [ 6 ] EXPLICIT OCTET STRING, -- optional HostName from servername TLS extension | |
489 | * PSK_identity_hint [ 7 ] EXPLICIT OCTET STRING, -- optional PSK identity hint | |
490 | * PSK_identity [ 8 ] EXPLICIT OCTET STRING, -- optional PSK identity | |
491 | * Ticket_lifetime_hint [9] EXPLICIT INTEGER, -- server's lifetime hint for session ticket | |
492 | * Ticket [10] EXPLICIT OCTET STRING, -- session ticket (clients only) | |
493 | * Compression_meth [11] EXPLICIT OCTET STRING, -- optional compression method | |
494 | * SRP_username [ 12 ] EXPLICIT OCTET STRING -- optional SRP username | |
6f152a15 | 495 | * flags [ 13 ] EXPLICIT INTEGER -- optional flags |
b6ba4014 MC |
496 | * } |
497 | * Look in ssl/ssl_asn1.c for more details | |
498 | * I'm using EXPLICIT tags so I can read the damn things using asn1parse :-). | |
499 | */ | |
500 | struct ssl_session_st { | |
a230b26e EK |
501 | int ssl_version; /* what ssl version session info is being kept |
502 | * in here? */ | |
b6ba4014 MC |
503 | int master_key_length; |
504 | unsigned char master_key[SSL_MAX_MASTER_KEY_LENGTH]; | |
505 | /* session_id - valid? */ | |
506 | unsigned int session_id_length; | |
507 | unsigned char session_id[SSL_MAX_SSL_SESSION_ID_LENGTH]; | |
508 | /* | |
509 | * this is used to determine whether the session is being reused in the | |
510 | * appropriate context. It is up to the application to set this, via | |
511 | * SSL_new | |
512 | */ | |
513 | unsigned int sid_ctx_length; | |
514 | unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH]; | |
b6ba4014 MC |
515 | # ifndef OPENSSL_NO_PSK |
516 | char *psk_identity_hint; | |
517 | char *psk_identity; | |
518 | # endif | |
519 | /* | |
520 | * Used to indicate that session resumption is not allowed. Applications | |
521 | * can also set this bit for a new session via not_resumable_session_cb | |
522 | * to disable session caching and tickets. | |
523 | */ | |
524 | int not_resumable; | |
a273c6ee | 525 | /* This is the cert and type for the other end. */ |
b6ba4014 | 526 | X509 *peer; |
a273c6ee | 527 | int peer_type; |
696178ed | 528 | /* Certificate chain peer sent */ |
c34b0f99 | 529 | STACK_OF(X509) *peer_chain; |
b6ba4014 MC |
530 | /* |
531 | * when app_verify_callback accepts a session where the peer's | |
532 | * certificate is not ok, we must remember the error for session reuse: | |
533 | */ | |
534 | long verify_result; /* only for servers */ | |
535 | int references; | |
536 | long timeout; | |
537 | long time; | |
538 | unsigned int compress_meth; /* Need to lookup the method */ | |
539 | const SSL_CIPHER *cipher; | |
a230b26e EK |
540 | unsigned long cipher_id; /* when ASN.1 loaded, this needs to be used to |
541 | * load the 'cipher' structure */ | |
b6ba4014 MC |
542 | STACK_OF(SSL_CIPHER) *ciphers; /* shared ciphers? */ |
543 | CRYPTO_EX_DATA ex_data; /* application specific data */ | |
544 | /* | |
545 | * These are used to make removal of session-ids more efficient and to | |
546 | * implement a maximum cache size. | |
547 | */ | |
548 | struct ssl_session_st *prev, *next; | |
b6ba4014 | 549 | char *tlsext_hostname; |
e481f9b9 | 550 | # ifndef OPENSSL_NO_EC |
b6ba4014 MC |
551 | size_t tlsext_ecpointformatlist_length; |
552 | unsigned char *tlsext_ecpointformatlist; /* peer's list */ | |
553 | size_t tlsext_ellipticcurvelist_length; | |
554 | unsigned char *tlsext_ellipticcurvelist; /* peer's list */ | |
a230b26e | 555 | # endif /* OPENSSL_NO_EC */ |
b6ba4014 MC |
556 | /* RFC4507 info */ |
557 | unsigned char *tlsext_tick; /* Session ticket */ | |
558 | size_t tlsext_ticklen; /* Session ticket length */ | |
a230b26e EK |
559 | unsigned long tlsext_tick_lifetime_hint; /* Session lifetime hint in |
560 | * seconds */ | |
b6ba4014 MC |
561 | # ifndef OPENSSL_NO_SRP |
562 | char *srp_username; | |
563 | # endif | |
f7d53487 | 564 | uint32_t flags; |
16203f7b | 565 | CRYPTO_RWLOCK *lock; |
b6ba4014 MC |
566 | }; |
567 | ||
6f152a15 | 568 | /* Extended master secret support */ |
a230b26e | 569 | # define SSL_SESS_FLAG_EXTMS 0x1 |
b6ba4014 MC |
570 | |
571 | # ifndef OPENSSL_NO_SRP | |
572 | ||
573 | typedef struct srp_ctx_st { | |
574 | /* param for all the callbacks */ | |
575 | void *SRP_cb_arg; | |
576 | /* set client Hello login callback */ | |
577 | int (*TLS_ext_srp_username_callback) (SSL *, int *, void *); | |
578 | /* set SRP N/g param callback for verification */ | |
579 | int (*SRP_verify_param_callback) (SSL *, void *); | |
580 | /* set SRP client passwd callback */ | |
581 | char *(*SRP_give_srp_client_pwd_callback) (SSL *, void *); | |
582 | char *login; | |
583 | BIGNUM *N, *g, *s, *B, *A; | |
584 | BIGNUM *a, *b, *v; | |
585 | char *info; | |
586 | int strength; | |
587 | unsigned long srp_Mask; | |
588 | } SRP_CTX; | |
589 | ||
590 | # endif | |
591 | ||
b6ba4014 MC |
592 | struct ssl_comp_st { |
593 | int id; | |
594 | const char *name; | |
b6ba4014 | 595 | COMP_METHOD *method; |
b6ba4014 MC |
596 | }; |
597 | ||
89d6aa10 | 598 | DEFINE_LHASH_OF(SSL_SESSION); |
ce023e77 VD |
599 | /* Needed in ssl_cert.c */ |
600 | DEFINE_LHASH_OF(X509_NAME); | |
f8e0a557 | 601 | |
a230b26e | 602 | # define TLSEXT_KEYNAME_LENGTH 16 |
d139723b | 603 | |
b6ba4014 MC |
604 | struct ssl_ctx_st { |
605 | const SSL_METHOD *method; | |
606 | STACK_OF(SSL_CIPHER) *cipher_list; | |
607 | /* same as above but sorted for lookup */ | |
608 | STACK_OF(SSL_CIPHER) *cipher_list_by_id; | |
609 | struct x509_store_st /* X509_STORE */ *cert_store; | |
610 | LHASH_OF(SSL_SESSION) *sessions; | |
611 | /* | |
612 | * Most session-ids that will be cached, default is | |
613 | * SSL_SESSION_CACHE_MAX_SIZE_DEFAULT. 0 is unlimited. | |
614 | */ | |
615 | unsigned long session_cache_size; | |
616 | struct ssl_session_st *session_cache_head; | |
617 | struct ssl_session_st *session_cache_tail; | |
618 | /* | |
619 | * This can have one of 2 values, ored together, SSL_SESS_CACHE_CLIENT, | |
620 | * SSL_SESS_CACHE_SERVER, Default is SSL_SESSION_CACHE_SERVER, which | |
621 | * means only SSL_accept which cache SSL_SESSIONS. | |
622 | */ | |
f7d53487 | 623 | uint32_t session_cache_mode; |
b6ba4014 MC |
624 | /* |
625 | * If timeout is not 0, it is the default timeout value set when | |
626 | * SSL_new() is called. This has been put in to make life easier to set | |
627 | * things up | |
628 | */ | |
629 | long session_timeout; | |
630 | /* | |
631 | * If this callback is not null, it will be called each time a session id | |
632 | * is added to the cache. If this function returns 1, it means that the | |
633 | * callback will do a SSL_SESSION_free() when it has finished using it. | |
634 | * Otherwise, on 0, it means the callback has finished with it. If | |
635 | * remove_session_cb is not null, it will be called when a session-id is | |
636 | * removed from the cache. After the call, OpenSSL will | |
637 | * SSL_SESSION_free() it. | |
638 | */ | |
639 | int (*new_session_cb) (struct ssl_st *ssl, SSL_SESSION *sess); | |
640 | void (*remove_session_cb) (struct ssl_ctx_st *ctx, SSL_SESSION *sess); | |
641 | SSL_SESSION *(*get_session_cb) (struct ssl_st *ssl, | |
b6981744 EK |
642 | const unsigned char *data, int len, |
643 | int *copy); | |
b6ba4014 MC |
644 | struct { |
645 | int sess_connect; /* SSL new conn - started */ | |
646 | int sess_connect_renegotiate; /* SSL reneg - requested */ | |
647 | int sess_connect_good; /* SSL new conne/reneg - finished */ | |
648 | int sess_accept; /* SSL new accept - started */ | |
649 | int sess_accept_renegotiate; /* SSL reneg - requested */ | |
650 | int sess_accept_good; /* SSL accept/reneg - finished */ | |
651 | int sess_miss; /* session lookup misses */ | |
652 | int sess_timeout; /* reuse attempt on timeouted session */ | |
653 | int sess_cache_full; /* session removed due to full cache */ | |
654 | int sess_hit; /* session reuse actually done */ | |
655 | int sess_cb_hit; /* session-id that was not in the cache was | |
656 | * passed back via the callback. This | |
a230b26e EK |
657 | * indicates that the application is supplying |
658 | * session-id's from other processes - spooky | |
659 | * :-) */ | |
b6ba4014 MC |
660 | } stats; |
661 | ||
662 | int references; | |
663 | ||
664 | /* if defined, these override the X509_verify_cert() calls */ | |
665 | int (*app_verify_callback) (X509_STORE_CTX *, void *); | |
666 | void *app_verify_arg; | |
667 | /* | |
668 | * before OpenSSL 0.9.7, 'app_verify_arg' was ignored | |
669 | * ('app_verify_callback' was called with just one argument) | |
670 | */ | |
671 | ||
672 | /* Default password callback. */ | |
673 | pem_password_cb *default_passwd_callback; | |
674 | ||
675 | /* Default password callback user data. */ | |
676 | void *default_passwd_callback_userdata; | |
677 | ||
678 | /* get client cert callback */ | |
679 | int (*client_cert_cb) (SSL *ssl, X509 **x509, EVP_PKEY **pkey); | |
680 | ||
681 | /* cookie generate callback */ | |
682 | int (*app_gen_cookie_cb) (SSL *ssl, unsigned char *cookie, | |
683 | unsigned int *cookie_len); | |
684 | ||
685 | /* verify cookie callback */ | |
31011544 | 686 | int (*app_verify_cookie_cb) (SSL *ssl, const unsigned char *cookie, |
b6ba4014 MC |
687 | unsigned int cookie_len); |
688 | ||
689 | CRYPTO_EX_DATA ex_data; | |
690 | ||
691 | const EVP_MD *md5; /* For SSLv3/TLSv1 'ssl3-md5' */ | |
692 | const EVP_MD *sha1; /* For SSLv3/TLSv1 'ssl3->sha1' */ | |
693 | ||
694 | STACK_OF(X509) *extra_certs; | |
695 | STACK_OF(SSL_COMP) *comp_methods; /* stack of SSL_COMP, SSLv3/TLSv1 */ | |
696 | ||
697 | /* Default values used when no per-SSL value is defined follow */ | |
698 | ||
699 | /* used if SSL's info_callback is NULL */ | |
700 | void (*info_callback) (const SSL *ssl, int type, int val); | |
701 | ||
702 | /* what we put in client cert requests */ | |
703 | STACK_OF(X509_NAME) *client_CA; | |
704 | ||
705 | /* | |
706 | * Default values to use in SSL structures follow (these are copied by | |
707 | * SSL_new) | |
708 | */ | |
709 | ||
f7d53487 DSH |
710 | uint32_t options; |
711 | uint32_t mode; | |
7946ab33 KR |
712 | int min_proto_version; |
713 | int max_proto_version; | |
b6ba4014 MC |
714 | long max_cert_list; |
715 | ||
716 | struct cert_st /* CERT */ *cert; | |
717 | int read_ahead; | |
718 | ||
719 | /* callback that allows applications to peek at protocol messages */ | |
720 | void (*msg_callback) (int write_p, int version, int content_type, | |
721 | const void *buf, size_t len, SSL *ssl, void *arg); | |
722 | void *msg_callback_arg; | |
723 | ||
f7d53487 | 724 | uint32_t verify_mode; |
b6ba4014 MC |
725 | unsigned int sid_ctx_length; |
726 | unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH]; | |
727 | /* called 'verify_callback' in the SSL */ | |
728 | int (*default_verify_callback) (int ok, X509_STORE_CTX *ctx); | |
729 | ||
730 | /* Default generate session ID callback. */ | |
731 | GEN_SESSION_CB generate_session_id; | |
732 | ||
733 | X509_VERIFY_PARAM *param; | |
734 | ||
735 | int quiet_shutdown; | |
736 | ||
a230b26e EK |
737 | # ifndef OPENSSL_NO_CT |
738 | CTLOG_STORE *ctlog_store; /* CT Log Store */ | |
ed29e82a | 739 | /* |
a230b26e EK |
740 | * Validates that the SCTs (Signed Certificate Timestamps) are sufficient. |
741 | * If they are not, the connection should be aborted. | |
742 | */ | |
43341433 | 743 | ssl_ct_validation_cb ct_validation_callback; |
ed29e82a | 744 | void *ct_validation_callback_arg; |
a230b26e | 745 | # endif |
ed29e82a | 746 | |
d102d9df MC |
747 | /* |
748 | * If we're using more than one pipeline how should we divide the data | |
749 | * up between the pipes? | |
750 | */ | |
7ee8627f | 751 | size_t split_send_fragment; |
b6ba4014 MC |
752 | /* |
753 | * Maximum amount of data to send in one fragment. actual record size can | |
754 | * be more than this due to padding and MAC overheads. | |
755 | */ | |
7ee8627f | 756 | size_t max_send_fragment; |
b6ba4014 | 757 | |
d102d9df | 758 | /* Up to how many pipelines should we use? If 0 then 1 is assumed */ |
7ee8627f | 759 | size_t max_pipelines; |
d102d9df | 760 | |
dad78fb1 MC |
761 | /* The default read buffer length to use (0 means not set) */ |
762 | size_t default_read_buf_len; | |
763 | ||
a230b26e | 764 | # ifndef OPENSSL_NO_ENGINE |
b6ba4014 MC |
765 | /* |
766 | * Engine to pass requests for client certs to | |
767 | */ | |
768 | ENGINE *client_cert_engine; | |
a230b26e | 769 | # endif |
b6ba4014 | 770 | |
b6ba4014 MC |
771 | /* TLS extensions servername callback */ |
772 | int (*tlsext_servername_callback) (SSL *, int *, void *); | |
773 | void *tlsext_servername_arg; | |
774 | /* RFC 4507 session ticket keys */ | |
d139723b | 775 | unsigned char tlsext_tick_key_name[TLSEXT_KEYNAME_LENGTH]; |
05df5c20 TS |
776 | unsigned char tlsext_tick_hmac_key[32]; |
777 | unsigned char tlsext_tick_aes_key[32]; | |
b6ba4014 MC |
778 | /* Callback to support customisation of ticket key setting */ |
779 | int (*tlsext_ticket_key_cb) (SSL *ssl, | |
780 | unsigned char *name, unsigned char *iv, | |
a230b26e | 781 | EVP_CIPHER_CTX *ectx, HMAC_CTX *hctx, int enc); |
b6ba4014 MC |
782 | |
783 | /* certificate status request info */ | |
784 | /* Callback for status request */ | |
785 | int (*tlsext_status_cb) (SSL *ssl, void *arg); | |
786 | void *tlsext_status_arg; | |
b6ba4014 | 787 | |
a230b26e | 788 | # ifndef OPENSSL_NO_PSK |
b6ba4014 MC |
789 | unsigned int (*psk_client_callback) (SSL *ssl, const char *hint, |
790 | char *identity, | |
791 | unsigned int max_identity_len, | |
792 | unsigned char *psk, | |
793 | unsigned int max_psk_len); | |
794 | unsigned int (*psk_server_callback) (SSL *ssl, const char *identity, | |
795 | unsigned char *psk, | |
796 | unsigned int max_psk_len); | |
a230b26e | 797 | # endif |
b6ba4014 | 798 | |
a230b26e | 799 | # ifndef OPENSSL_NO_SRP |
b6ba4014 | 800 | SRP_CTX srp_ctx; /* ctx for SRP authentication */ |
a230b26e | 801 | # endif |
b6ba4014 | 802 | |
a230b26e | 803 | # ifndef OPENSSL_NO_NEXTPROTONEG |
b6ba4014 | 804 | /* Next protocol negotiation information */ |
b6ba4014 MC |
805 | |
806 | /* | |
807 | * For a server, this contains a callback function by which the set of | |
808 | * advertised protocols can be provided. | |
809 | */ | |
810 | int (*next_protos_advertised_cb) (SSL *s, const unsigned char **buf, | |
811 | unsigned int *len, void *arg); | |
812 | void *next_protos_advertised_cb_arg; | |
813 | /* | |
814 | * For a client, this contains a callback function that selects the next | |
815 | * protocol from the list provided by the server. | |
816 | */ | |
817 | int (*next_proto_select_cb) (SSL *s, unsigned char **out, | |
818 | unsigned char *outlen, | |
819 | const unsigned char *in, | |
820 | unsigned int inlen, void *arg); | |
821 | void *next_proto_select_cb_arg; | |
a230b26e | 822 | # endif |
b6ba4014 MC |
823 | |
824 | /* | |
825 | * ALPN information (we are in the process of transitioning from NPN to | |
826 | * ALPN.) | |
827 | */ | |
828 | ||
829 | /*- | |
830 | * For a server, this contains a callback function that allows the | |
831 | * server to select the protocol for the connection. | |
832 | * out: on successful return, this must point to the raw protocol | |
833 | * name (without the length prefix). | |
834 | * outlen: on successful return, this contains the length of |*out|. | |
835 | * in: points to the client's list of supported protocols in | |
836 | * wire-format. | |
837 | * inlen: the length of |in|. | |
838 | */ | |
839 | int (*alpn_select_cb) (SSL *s, | |
840 | const unsigned char **out, | |
841 | unsigned char *outlen, | |
842 | const unsigned char *in, | |
843 | unsigned int inlen, void *arg); | |
844 | void *alpn_select_cb_arg; | |
845 | ||
846 | /* | |
847 | * For a client, this contains the list of supported protocols in wire | |
848 | * format. | |
849 | */ | |
850 | unsigned char *alpn_client_proto_list; | |
851 | unsigned alpn_client_proto_list_len; | |
852 | ||
919ba009 VD |
853 | /* Shared DANE context */ |
854 | struct dane_ctx_st dane; | |
855 | ||
b6ba4014 MC |
856 | /* SRTP profiles we are willing to do from RFC 5764 */ |
857 | STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles; | |
b6ba4014 MC |
858 | /* |
859 | * Callback for disabling session caching and ticket support on a session | |
860 | * basis, depending on the chosen cipher. | |
861 | */ | |
862 | int (*not_resumable_session_cb) (SSL *ssl, int is_forward_secure); | |
a230b26e | 863 | # ifndef OPENSSL_NO_EC |
b6ba4014 MC |
864 | /* EC extension values inherited by SSL structure */ |
865 | size_t tlsext_ecpointformatlist_length; | |
866 | unsigned char *tlsext_ecpointformatlist; | |
867 | size_t tlsext_ellipticcurvelist_length; | |
868 | unsigned char *tlsext_ellipticcurvelist; | |
a230b26e | 869 | # endif /* OPENSSL_NO_EC */ |
ba261f71 | 870 | |
871 | /* ext status type used for CSR extension (OCSP Stapling) */ | |
872 | int tlsext_status_type; | |
873 | ||
16203f7b | 874 | CRYPTO_RWLOCK *lock; |
b6ba4014 MC |
875 | }; |
876 | ||
b6ba4014 MC |
877 | struct ssl_st { |
878 | /* | |
879 | * protocol version (one of SSL2_VERSION, SSL3_VERSION, TLS1_VERSION, | |
880 | * DTLS1_VERSION) | |
881 | */ | |
882 | int version; | |
b6ba4014 MC |
883 | /* SSLv3 */ |
884 | const SSL_METHOD *method; | |
885 | /* | |
886 | * There are 2 BIO's even though they are normally both the same. This | |
887 | * is so data can be read and written to different handlers | |
888 | */ | |
889 | /* used by SSL_read */ | |
890 | BIO *rbio; | |
891 | /* used by SSL_write */ | |
892 | BIO *wbio; | |
893 | /* used during session-id reuse to concatenate messages */ | |
894 | BIO *bbio; | |
895 | /* | |
896 | * This holds a variable that indicates what we were doing when a 0 or -1 | |
897 | * is returned. This is needed for non-blocking IO so we know what | |
898 | * request needs re-doing when in SSL_accept or SSL_connect | |
899 | */ | |
900 | int rwstate; | |
b6ba4014 MC |
901 | int (*handshake_func) (SSL *); |
902 | /* | |
903 | * Imagine that here's a boolean member "init" that is switched as soon | |
904 | * as SSL_set_{accept/connect}_state is called for the first time, so | |
905 | * that "state" and "handshake_func" are properly initialized. But as | |
906 | * handshake_func is == 0 until then, we use this test instead of an | |
907 | * "init" member. | |
908 | */ | |
23a635c0 | 909 | /* are we the server side? */ |
b6ba4014 MC |
910 | int server; |
911 | /* | |
912 | * Generate a new session or reuse an old one. | |
913 | * NB: For servers, the 'new' session may actually be a previously | |
914 | * cached session or even the previous session unless | |
915 | * SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION is set | |
916 | */ | |
917 | int new_session; | |
918 | /* don't send shutdown packets */ | |
919 | int quiet_shutdown; | |
920 | /* we have shut things down, 0x01 sent, 0x02 for received */ | |
921 | int shutdown; | |
922 | /* where we are */ | |
d6f1a6e9 | 923 | OSSL_STATEM statem; |
b6ba4014 MC |
924 | BUF_MEM *init_buf; /* buffer used during init */ |
925 | void *init_msg; /* pointer to handshake message body, set by | |
926 | * ssl3_get_message() */ | |
eda75751 MC |
927 | size_t init_num; /* amount read/written */ |
928 | size_t init_off; /* amount read/written */ | |
b6ba4014 MC |
929 | struct ssl3_state_st *s3; /* SSLv3 variables */ |
930 | struct dtls1_state_st *d1; /* DTLSv1 variables */ | |
b6ba4014 MC |
931 | /* callback that allows applications to peek at protocol messages */ |
932 | void (*msg_callback) (int write_p, int version, int content_type, | |
933 | const void *buf, size_t len, SSL *ssl, void *arg); | |
934 | void *msg_callback_arg; | |
935 | int hit; /* reusing a previous session */ | |
936 | X509_VERIFY_PARAM *param; | |
919ba009 | 937 | /* Per connection DANE state */ |
b9aec69a | 938 | SSL_DANE dane; |
b6ba4014 MC |
939 | /* crypto */ |
940 | STACK_OF(SSL_CIPHER) *cipher_list; | |
941 | STACK_OF(SSL_CIPHER) *cipher_list_by_id; | |
942 | /* | |
943 | * These are the ones being used, the ones in SSL_SESSION are the ones to | |
944 | * be 'copied' into these ones | |
945 | */ | |
f7d53487 | 946 | uint32_t mac_flags; |
b6ba4014 MC |
947 | EVP_CIPHER_CTX *enc_read_ctx; /* cryptographic state */ |
948 | EVP_MD_CTX *read_hash; /* used for mac generation */ | |
9a555706 | 949 | COMP_CTX *compress; /* compression */ |
b6ba4014 | 950 | COMP_CTX *expand; /* uncompress */ |
b6ba4014 MC |
951 | EVP_CIPHER_CTX *enc_write_ctx; /* cryptographic state */ |
952 | EVP_MD_CTX *write_hash; /* used for mac generation */ | |
b6ba4014 MC |
953 | /* session info */ |
954 | /* client cert? */ | |
955 | /* This is used to hold the server certificate used */ | |
956 | struct cert_st /* CERT */ *cert; | |
957 | /* | |
958 | * the session_id_context is used to ensure sessions are only reused in | |
959 | * the appropriate context | |
960 | */ | |
961 | unsigned int sid_ctx_length; | |
962 | unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH]; | |
963 | /* This can also be in the session once a session is established */ | |
964 | SSL_SESSION *session; | |
965 | /* Default generate session ID callback. */ | |
966 | GEN_SESSION_CB generate_session_id; | |
967 | /* Used in SSL3 */ | |
968 | /* | |
969 | * 0 don't care about verify failure. | |
970 | * 1 fail if verify fails | |
971 | */ | |
f7d53487 | 972 | uint32_t verify_mode; |
b6ba4014 MC |
973 | /* fail if callback returns 0 */ |
974 | int (*verify_callback) (int ok, X509_STORE_CTX *ctx); | |
975 | /* optional informational callback */ | |
976 | void (*info_callback) (const SSL *ssl, int type, int val); | |
977 | /* error bytes to be written */ | |
978 | int error; | |
979 | /* actual code */ | |
980 | int error_code; | |
a230b26e | 981 | # ifndef OPENSSL_NO_PSK |
b6ba4014 MC |
982 | unsigned int (*psk_client_callback) (SSL *ssl, const char *hint, |
983 | char *identity, | |
984 | unsigned int max_identity_len, | |
985 | unsigned char *psk, | |
986 | unsigned int max_psk_len); | |
987 | unsigned int (*psk_server_callback) (SSL *ssl, const char *identity, | |
988 | unsigned char *psk, | |
989 | unsigned int max_psk_len); | |
a230b26e | 990 | # endif |
b6ba4014 | 991 | SSL_CTX *ctx; |
696178ed DSH |
992 | /* Verified chain of peer */ |
993 | STACK_OF(X509) *verified_chain; | |
b6ba4014 | 994 | long verify_result; |
696178ed | 995 | /* extra application data */ |
b6ba4014 MC |
996 | CRYPTO_EX_DATA ex_data; |
997 | /* for server side, keep the list of CA_dn we can use */ | |
998 | STACK_OF(X509_NAME) *client_CA; | |
999 | int references; | |
1000 | /* protocol behaviour */ | |
f7d53487 | 1001 | uint32_t options; |
b6ba4014 | 1002 | /* API behaviour */ |
f7d53487 | 1003 | uint32_t mode; |
7946ab33 KR |
1004 | int min_proto_version; |
1005 | int max_proto_version; | |
b6ba4014 MC |
1006 | long max_cert_list; |
1007 | int first_packet; | |
1008 | /* what was passed, used for SSLv3/TLS rollback check */ | |
1009 | int client_version; | |
d102d9df MC |
1010 | /* |
1011 | * If we're using more than one pipeline how should we divide the data | |
1012 | * up between the pipes? | |
1013 | */ | |
7ee8627f | 1014 | size_t split_send_fragment; |
d102d9df MC |
1015 | /* |
1016 | * Maximum amount of data to send in one fragment. actual record size can | |
1017 | * be more than this due to padding and MAC overheads. | |
1018 | */ | |
7ee8627f | 1019 | size_t max_send_fragment; |
d102d9df | 1020 | /* Up to how many pipelines should we use? If 0 then 1 is assumed */ |
7ee8627f | 1021 | size_t max_pipelines; |
b6ba4014 MC |
1022 | /* TLS extension debug callback */ |
1023 | void (*tlsext_debug_cb) (SSL *s, int client_server, int type, | |
b6981744 | 1024 | const unsigned char *data, int len, void *arg); |
b6ba4014 MC |
1025 | void *tlsext_debug_arg; |
1026 | char *tlsext_hostname; | |
1027 | /*- | |
1028 | * no further mod of servername | |
1029 | * 0 : call the servername extension callback. | |
1030 | * 1 : prepare 2, allow last ack just after in server callback. | |
1031 | * 2 : don't call servername callback, no ack in server hello | |
1032 | */ | |
1033 | int servername_done; | |
1034 | /* certificate status request info */ | |
1035 | /* Status type or -1 if no status type */ | |
1036 | int tlsext_status_type; | |
a230b26e | 1037 | # ifndef OPENSSL_NO_CT |
ed29e82a | 1038 | /* |
a230b26e EK |
1039 | * Validates that the SCTs (Signed Certificate Timestamps) are sufficient. |
1040 | * If they are not, the connection should be aborted. | |
1041 | */ | |
43341433 | 1042 | ssl_ct_validation_cb ct_validation_callback; |
ed29e82a RP |
1043 | /* User-supplied argument tha tis passed to the ct_validation_callback */ |
1044 | void *ct_validation_callback_arg; | |
1045 | /* | |
1046 | * Consolidated stack of SCTs from all sources. | |
1047 | * Lazily populated by CT_get_peer_scts(SSL*) | |
1048 | */ | |
1049 | STACK_OF(SCT) *scts; | |
1050 | /* Raw extension data, if seen */ | |
1051 | unsigned char *tlsext_scts; | |
1052 | /* Length of raw extension data, if seen */ | |
1053 | uint16_t tlsext_scts_len; | |
1054 | /* Have we attempted to find/parse SCTs yet? */ | |
1055 | int scts_parsed; | |
a230b26e | 1056 | # endif |
b6ba4014 MC |
1057 | /* Expect OCSP CertificateStatus message */ |
1058 | int tlsext_status_expected; | |
1059 | /* OCSP status request only */ | |
1060 | STACK_OF(OCSP_RESPID) *tlsext_ocsp_ids; | |
1061 | X509_EXTENSIONS *tlsext_ocsp_exts; | |
1062 | /* OCSP response received or to be sent */ | |
1063 | unsigned char *tlsext_ocsp_resp; | |
1064 | int tlsext_ocsp_resplen; | |
1065 | /* RFC4507 session ticket expected to be received or sent */ | |
1066 | int tlsext_ticket_expected; | |
a230b26e | 1067 | # ifndef OPENSSL_NO_EC |
b6ba4014 MC |
1068 | size_t tlsext_ecpointformatlist_length; |
1069 | /* our list */ | |
1070 | unsigned char *tlsext_ecpointformatlist; | |
1071 | size_t tlsext_ellipticcurvelist_length; | |
1072 | /* our list */ | |
1073 | unsigned char *tlsext_ellipticcurvelist; | |
a230b26e | 1074 | # endif /* OPENSSL_NO_EC */ |
b6ba4014 MC |
1075 | /* TLS Session Ticket extension override */ |
1076 | TLS_SESSION_TICKET_EXT *tlsext_session_ticket; | |
1077 | /* TLS Session Ticket extension callback */ | |
1078 | tls_session_ticket_ext_cb_fn tls_session_ticket_ext_cb; | |
1079 | void *tls_session_ticket_ext_cb_arg; | |
1080 | /* TLS pre-shared secret session resumption */ | |
1081 | tls_session_secret_cb_fn tls_session_secret_cb; | |
1082 | void *tls_session_secret_cb_arg; | |
1083 | SSL_CTX *initial_ctx; /* initial ctx, used to store sessions */ | |
a230b26e | 1084 | # ifndef OPENSSL_NO_NEXTPROTONEG |
b6ba4014 MC |
1085 | /* |
1086 | * Next protocol negotiation. For the client, this is the protocol that | |
1087 | * we sent in NextProtocol and is set when handling ServerHello | |
1088 | * extensions. For a server, this is the client's selected_protocol from | |
1089 | * NextProtocol and is set when handling the NextProtocol message, before | |
1090 | * the Finished message. | |
1091 | */ | |
1092 | unsigned char *next_proto_negotiated; | |
1093 | unsigned char next_proto_negotiated_len; | |
a230b26e EK |
1094 | # endif |
1095 | # define session_ctx initial_ctx | |
b6ba4014 MC |
1096 | /* What we'll do */ |
1097 | STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles; | |
1098 | /* What's been chosen */ | |
1099 | SRTP_PROTECTION_PROFILE *srtp_profile; | |
1100 | /*- | |
1101 | * Is use of the Heartbeat extension negotiated? | |
1102 | * 0: disabled | |
1103 | * 1: enabled | |
1104 | * 2: enabled, but not allowed to send Requests | |
1105 | */ | |
1106 | unsigned int tlsext_heartbeat; | |
1107 | /* Indicates if a HeartbeatRequest is in flight */ | |
1108 | unsigned int tlsext_hb_pending; | |
1109 | /* HeartbeatRequest sequence number */ | |
1110 | unsigned int tlsext_hb_seq; | |
1111 | /* | |
1112 | * For a client, this contains the list of supported protocols in wire | |
1113 | * format. | |
1114 | */ | |
1115 | unsigned char *alpn_client_proto_list; | |
1116 | unsigned alpn_client_proto_list_len; | |
b6ba4014 MC |
1117 | /*- |
1118 | * 1 if we are renegotiating. | |
1119 | * 2 if we are a server and are inside a handshake | |
1120 | * (i.e. not just sending a HelloRequest) | |
1121 | */ | |
1122 | int renegotiate; | |
a230b26e | 1123 | # ifndef OPENSSL_NO_SRP |
b6ba4014 MC |
1124 | /* ctx for SRP authentication */ |
1125 | SRP_CTX srp_ctx; | |
a230b26e | 1126 | # endif |
b6ba4014 MC |
1127 | /* |
1128 | * Callback for disabling session caching and ticket support on a session | |
1129 | * basis, depending on the chosen cipher. | |
1130 | */ | |
1131 | int (*not_resumable_session_cb) (SSL *ssl, int is_forward_secure); | |
28d59af8 | 1132 | RECORD_LAYER rlayer; |
a974e64a MC |
1133 | /* Default password callback. */ |
1134 | pem_password_cb *default_passwd_callback; | |
a974e64a MC |
1135 | /* Default password callback user data. */ |
1136 | void *default_passwd_callback_userdata; | |
07bbc92c MC |
1137 | /* Async Job info */ |
1138 | ASYNC_JOB *job; | |
ff75a257 | 1139 | ASYNC_WAIT_CTX *waitctx; |
7ee8627f | 1140 | size_t asyncrw; |
eda75751 | 1141 | |
16203f7b | 1142 | CRYPTO_RWLOCK *lock; |
b6ba4014 MC |
1143 | }; |
1144 | ||
b6ba4014 MC |
1145 | typedef struct ssl3_state_st { |
1146 | long flags; | |
b6ba4014 MC |
1147 | int read_mac_secret_size; |
1148 | unsigned char read_mac_secret[EVP_MAX_MD_SIZE]; | |
b6ba4014 MC |
1149 | int write_mac_secret_size; |
1150 | unsigned char write_mac_secret[EVP_MAX_MD_SIZE]; | |
1151 | unsigned char server_random[SSL3_RANDOM_SIZE]; | |
1152 | unsigned char client_random[SSL3_RANDOM_SIZE]; | |
1153 | /* flags for countermeasure against known-IV weakness */ | |
1154 | int need_empty_fragments; | |
1155 | int empty_fragment_done; | |
b6ba4014 MC |
1156 | /* used during startup, digest all incoming/outgoing packets */ |
1157 | BIO *handshake_buffer; | |
1158 | /* | |
28ba2541 DSH |
1159 | * When handshake digest is determined, buffer is hashed and |
1160 | * freed and MD_CTX for the required digest is stored here. | |
b6ba4014 | 1161 | */ |
28ba2541 | 1162 | EVP_MD_CTX *handshake_dgst; |
b6ba4014 MC |
1163 | /* |
1164 | * Set whenever an expected ChangeCipherSpec message is processed. | |
1165 | * Unset when the peer's Finished message is received. | |
1166 | * Unexpected ChangeCipherSpec messages trigger a fatal alert. | |
1167 | */ | |
1168 | int change_cipher_spec; | |
1169 | int warn_alert; | |
1170 | int fatal_alert; | |
1171 | /* | |
1172 | * we allow one fatal and one warning alert to be outstanding, send close | |
1173 | * alert via the warning alert | |
1174 | */ | |
1175 | int alert_dispatch; | |
1176 | unsigned char send_alert[2]; | |
1177 | /* | |
1178 | * This flag is set when we should renegotiate ASAP, basically when there | |
1179 | * is no more data in the read or write buffers | |
1180 | */ | |
1181 | int renegotiate; | |
1182 | int total_renegotiations; | |
1183 | int num_renegotiations; | |
1184 | int in_read_app_data; | |
1185 | struct { | |
b6ba4014 MC |
1186 | /* actually only need to be 16+20 for SSLv3 and 12 for TLS */ |
1187 | unsigned char finish_md[EVP_MAX_MD_SIZE * 2]; | |
1188 | int finish_md_len; | |
1189 | unsigned char peer_finish_md[EVP_MAX_MD_SIZE * 2]; | |
1190 | int peer_finish_md_len; | |
eda75751 | 1191 | size_t message_size; |
b6ba4014 MC |
1192 | int message_type; |
1193 | /* used to hold the new cipher we are going to use */ | |
1194 | const SSL_CIPHER *new_cipher; | |
a230b26e EK |
1195 | # if !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_DH) |
1196 | EVP_PKEY *pkey; /* holds short lived DH/ECDH key */ | |
1197 | # endif | |
b6ba4014 MC |
1198 | /* used for certificate requests */ |
1199 | int cert_req; | |
1200 | int ctype_num; | |
1201 | char ctype[SSL3_CT_NUMBER]; | |
1202 | STACK_OF(X509_NAME) *ca_names; | |
b6ba4014 MC |
1203 | int key_block_length; |
1204 | unsigned char *key_block; | |
1205 | const EVP_CIPHER *new_sym_enc; | |
1206 | const EVP_MD *new_hash; | |
1207 | int new_mac_pkey_type; | |
1208 | int new_mac_secret_size; | |
a230b26e | 1209 | # ifndef OPENSSL_NO_COMP |
b6ba4014 | 1210 | const SSL_COMP *new_compression; |
a230b26e | 1211 | # else |
b6ba4014 | 1212 | char *new_compression; |
a230b26e | 1213 | # endif |
b6ba4014 | 1214 | int cert_request; |
76106e60 DSH |
1215 | /* Raw values of the cipher list from a client */ |
1216 | unsigned char *ciphers_raw; | |
1217 | size_t ciphers_rawlen; | |
1218 | /* Temporary storage for premaster secret */ | |
1219 | unsigned char *pms; | |
1220 | size_t pmslen; | |
a230b26e | 1221 | # ifndef OPENSSL_NO_PSK |
64651d39 DSH |
1222 | /* Temporary storage for PSK key */ |
1223 | unsigned char *psk; | |
1224 | size_t psklen; | |
a230b26e | 1225 | # endif |
76106e60 DSH |
1226 | /* |
1227 | * signature algorithms peer reports: e.g. supported signature | |
1228 | * algorithms extension for server or as part of a certificate | |
1229 | * request for client. | |
1230 | */ | |
1231 | unsigned char *peer_sigalgs; | |
1232 | /* Size of above array */ | |
1233 | size_t peer_sigalgslen; | |
d376e57d DSH |
1234 | /* Digest peer uses for signing */ |
1235 | const EVP_MD *peer_md; | |
1236 | /* Array of digests used for signing */ | |
1237 | const EVP_MD *md[SSL_PKEY_NUM]; | |
6383d316 DSH |
1238 | /* |
1239 | * Set if corresponding CERT_PKEY can be used with current | |
1240 | * SSL session: e.g. appropriate curve, signature algorithms etc. | |
1241 | * If zero it can't be used at all. | |
1242 | */ | |
f7d53487 | 1243 | uint32_t valid_flags[SSL_PKEY_NUM]; |
4d69f9e6 DSH |
1244 | /* |
1245 | * For servers the following masks are for the key and auth algorithms | |
1246 | * that are supported by the certs below. For clients they are masks of | |
1247 | * *disabled* algorithms based on the current session. | |
1248 | */ | |
90d9e49a DSH |
1249 | uint32_t mask_k; |
1250 | uint32_t mask_a; | |
3eb2aff4 KR |
1251 | /* |
1252 | * The following are used by the client to see if a cipher is allowed or | |
1253 | * not. It contains the minimum and maximum version the client's using | |
1254 | * based on what it knows so far. | |
1255 | */ | |
1256 | int min_ver; | |
1257 | int max_ver; | |
b6ba4014 MC |
1258 | } tmp; |
1259 | ||
1260 | /* Connection binding to prevent renegotiation attacks */ | |
1261 | unsigned char previous_client_finished[EVP_MAX_MD_SIZE]; | |
1262 | unsigned char previous_client_finished_len; | |
1263 | unsigned char previous_server_finished[EVP_MAX_MD_SIZE]; | |
1264 | unsigned char previous_server_finished_len; | |
1265 | int send_connection_binding; /* TODOEKR */ | |
1266 | ||
a230b26e | 1267 | # ifndef OPENSSL_NO_NEXTPROTONEG |
b6ba4014 MC |
1268 | /* |
1269 | * Set if we saw the Next Protocol Negotiation extension from our peer. | |
1270 | */ | |
1271 | int next_proto_neg_seen; | |
a230b26e | 1272 | # endif |
b6ba4014 | 1273 | |
b6ba4014 MC |
1274 | /* |
1275 | * ALPN information (we are in the process of transitioning from NPN to | |
1276 | * ALPN.) | |
1277 | */ | |
1278 | ||
1279 | /* | |
1280 | * In a server these point to the selected ALPN protocol after the | |
1281 | * ClientHello has been processed. In a client these contain the protocol | |
1282 | * that the server selected once the ServerHello has been processed. | |
1283 | */ | |
1284 | unsigned char *alpn_selected; | |
817cd0d5 TS |
1285 | size_t alpn_selected_len; |
1286 | /* used by the server to know what options were proposed */ | |
1287 | unsigned char *alpn_proposed; | |
1288 | size_t alpn_proposed_len; | |
1289 | /* used by the client to know if it actually sent alpn */ | |
1290 | int alpn_sent; | |
b6ba4014 | 1291 | |
a230b26e | 1292 | # ifndef OPENSSL_NO_EC |
b6ba4014 MC |
1293 | /* |
1294 | * This is set to true if we believe that this is a version of Safari | |
1295 | * running on OS X 10.6 or newer. We wish to know this because Safari on | |
1296 | * 10.8 .. 10.8.3 has broken ECDHE-ECDSA support. | |
1297 | */ | |
1298 | char is_probably_safari; | |
a230b26e | 1299 | # endif /* !OPENSSL_NO_EC */ |
8d92c1f8 DSH |
1300 | |
1301 | /* For clients: peer temporary key */ | |
fb79abe3 | 1302 | # if !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_DH) |
61dd9f7a | 1303 | EVP_PKEY *peer_tmp; |
8d92c1f8 DSH |
1304 | # endif |
1305 | ||
b6ba4014 MC |
1306 | } SSL3_STATE; |
1307 | ||
b6ba4014 MC |
1308 | /* DTLS structures */ |
1309 | ||
a230b26e EK |
1310 | # ifndef OPENSSL_NO_SCTP |
1311 | # define DTLS1_SCTP_AUTH_LABEL "EXPORTER_DTLS_OVER_SCTP" | |
1312 | # endif | |
b6ba4014 MC |
1313 | |
1314 | /* Max MTU overhead we know about so far is 40 for IPv6 + 8 for UDP */ | |
a230b26e | 1315 | # define DTLS1_MAX_MTU_OVERHEAD 48 |
b6ba4014 | 1316 | |
e3d0dae7 MC |
1317 | /* |
1318 | * Flag used in message reuse to indicate the buffer contains the record | |
1319 | * header as well as the the handshake message header. | |
1320 | */ | |
a230b26e | 1321 | # define DTLS1_SKIP_RECORD_HEADER 2 |
e3d0dae7 | 1322 | |
b6ba4014 MC |
1323 | struct dtls1_retransmit_state { |
1324 | EVP_CIPHER_CTX *enc_write_ctx; /* cryptographic state */ | |
1325 | EVP_MD_CTX *write_hash; /* used for mac generation */ | |
b6ba4014 | 1326 | COMP_CTX *compress; /* compression */ |
b6ba4014 MC |
1327 | SSL_SESSION *session; |
1328 | unsigned short epoch; | |
1329 | }; | |
1330 | ||
1331 | struct hm_header_st { | |
1332 | unsigned char type; | |
7ee8627f | 1333 | size_t msg_len; |
b6ba4014 | 1334 | unsigned short seq; |
7ee8627f MC |
1335 | size_t frag_off; |
1336 | size_t frag_len; | |
b6ba4014 MC |
1337 | unsigned int is_ccs; |
1338 | struct dtls1_retransmit_state saved_retransmit_state; | |
1339 | }; | |
1340 | ||
b6ba4014 MC |
1341 | struct dtls1_timeout_st { |
1342 | /* Number of read timeouts so far */ | |
1343 | unsigned int read_timeouts; | |
1344 | /* Number of write timeouts so far */ | |
1345 | unsigned int write_timeouts; | |
1346 | /* Number of alerts received so far */ | |
1347 | unsigned int num_alerts; | |
1348 | }; | |
1349 | ||
b6ba4014 MC |
1350 | typedef struct hm_fragment_st { |
1351 | struct hm_header_st msg_header; | |
1352 | unsigned char *fragment; | |
1353 | unsigned char *reassembly; | |
1354 | } hm_fragment; | |
1355 | ||
cf2cede4 RS |
1356 | typedef struct pqueue_st pqueue; |
1357 | typedef struct pitem_st pitem; | |
1358 | ||
1359 | struct pitem_st { | |
1360 | unsigned char priority[8]; /* 64-bit value in big-endian encoding */ | |
1361 | void *data; | |
1362 | pitem *next; | |
1363 | }; | |
1364 | ||
1365 | typedef struct pitem_st *piterator; | |
1366 | ||
1367 | pitem *pitem_new(unsigned char *prio64be, void *data); | |
1368 | void pitem_free(pitem *item); | |
a230b26e | 1369 | pqueue *pqueue_new(void); |
cf2cede4 RS |
1370 | void pqueue_free(pqueue *pq); |
1371 | pitem *pqueue_insert(pqueue *pq, pitem *item); | |
1372 | pitem *pqueue_peek(pqueue *pq); | |
1373 | pitem *pqueue_pop(pqueue *pq); | |
1374 | pitem *pqueue_find(pqueue *pq, unsigned char *prio64be); | |
1375 | pitem *pqueue_iterator(pqueue *pq); | |
1376 | pitem *pqueue_next(piterator *iter); | |
cf2cede4 RS |
1377 | int pqueue_size(pqueue *pq); |
1378 | ||
b6ba4014 | 1379 | typedef struct dtls1_state_st { |
b6ba4014 | 1380 | unsigned char cookie[DTLS1_COOKIE_LENGTH]; |
b6ba4014 | 1381 | unsigned int cookie_len; |
e27f234a | 1382 | unsigned int cookie_verified; |
b6ba4014 MC |
1383 | /* handshake message numbers */ |
1384 | unsigned short handshake_write_seq; | |
1385 | unsigned short next_handshake_write_seq; | |
1386 | unsigned short handshake_read_seq; | |
b6ba4014 | 1387 | /* Buffered handshake messages */ |
cf2cede4 | 1388 | pqueue *buffered_messages; |
b6ba4014 | 1389 | /* Buffered (sent) handshake records */ |
cf2cede4 | 1390 | pqueue *sent_messages; |
7ee8627f MC |
1391 | size_t link_mtu; /* max on-the-wire DTLS packet size */ |
1392 | size_t mtu; /* max DTLS packet size */ | |
b6ba4014 MC |
1393 | struct hm_header_st w_msg_hdr; |
1394 | struct hm_header_st r_msg_hdr; | |
1395 | struct dtls1_timeout_st timeout; | |
1396 | /* | |
1397 | * Indicates when the last handshake msg or heartbeat sent will timeout | |
1398 | */ | |
1399 | struct timeval next_timeout; | |
1400 | /* Timeout duration */ | |
1401 | unsigned short timeout_duration; | |
b6ba4014 | 1402 | unsigned int retransmitting; |
a230b26e | 1403 | # ifndef OPENSSL_NO_SCTP |
b6ba4014 | 1404 | int shutdown_received; |
a230b26e | 1405 | # endif |
b6ba4014 MC |
1406 | } DTLS1_STATE; |
1407 | ||
0f113f3e MC |
1408 | # ifndef OPENSSL_NO_EC |
1409 | /* | |
1410 | * From ECC-TLS draft, used in encoding the curve type in ECParameters | |
ea262260 | 1411 | */ |
0f113f3e MC |
1412 | # define EXPLICIT_PRIME_CURVE_TYPE 1 |
1413 | # define EXPLICIT_CHAR2_CURVE_TYPE 2 | |
1414 | # define NAMED_CURVE_TYPE 3 | |
1415 | # endif /* OPENSSL_NO_EC */ | |
1416 | ||
1417 | typedef struct cert_pkey_st { | |
1418 | X509 *x509; | |
1419 | EVP_PKEY *privatekey; | |
0f113f3e MC |
1420 | /* Chain for this certificate */ |
1421 | STACK_OF(X509) *chain; | |
50e735f9 MC |
1422 | /*- |
1423 | * serverinfo data for this certificate. The data is in TLS Extension | |
1424 | * wire format, specifically it's a series of records like: | |
1425 | * uint16_t extension_type; // (RFC 5246, 7.4.1.4, Extension) | |
1426 | * uint16_t length; | |
1427 | * uint8_t data[length]; | |
1428 | */ | |
0f113f3e MC |
1429 | unsigned char *serverinfo; |
1430 | size_t serverinfo_length; | |
0f113f3e | 1431 | } CERT_PKEY; |
2ea80354 | 1432 | /* Retrieve Suite B flags */ |
0f113f3e | 1433 | # define tls1_suiteb(s) (s->cert->cert_flags & SSL_CERT_FLAG_SUITEB_128_LOS) |
2ea80354 | 1434 | /* Uses to check strict mode: suite B modes are always strict */ |
0f113f3e MC |
1435 | # define SSL_CERT_FLAGS_CHECK_TLS_STRICT \ |
1436 | (SSL_CERT_FLAG_SUITEB_128_LOS|SSL_CERT_FLAG_TLS_STRICT) | |
d02b48c6 | 1437 | |
b83294fe | 1438 | typedef struct { |
0f113f3e MC |
1439 | unsigned short ext_type; |
1440 | /* | |
1441 | * Per-connection flags relating to this extension type: not used if | |
1442 | * part of an SSL_CTX structure. | |
1443 | */ | |
f7d53487 | 1444 | uint32_t ext_flags; |
0f113f3e MC |
1445 | custom_ext_add_cb add_cb; |
1446 | custom_ext_free_cb free_cb; | |
1447 | void *add_arg; | |
1448 | custom_ext_parse_cb parse_cb; | |
1449 | void *parse_arg; | |
ecf4d660 | 1450 | } custom_ext_method; |
b83294fe | 1451 | |
28ea0a0c DSH |
1452 | /* ext_flags values */ |
1453 | ||
0f113f3e MC |
1454 | /* |
1455 | * Indicates an extension has been received. Used to check for unsolicited or | |
1456 | * duplicate extensions. | |
28ea0a0c | 1457 | */ |
0f113f3e MC |
1458 | # define SSL_EXT_FLAG_RECEIVED 0x1 |
1459 | /* | |
1460 | * Indicates an extension has been sent: used to enable sending of | |
1461 | * corresponding ServerHello extension. | |
28ea0a0c | 1462 | */ |
0f113f3e | 1463 | # define SSL_EXT_FLAG_SENT 0x2 |
28ea0a0c | 1464 | |
b83294fe | 1465 | typedef struct { |
0f113f3e MC |
1466 | custom_ext_method *meths; |
1467 | size_t meths_count; | |
ecf4d660 | 1468 | } custom_ext_methods; |
b83294fe | 1469 | |
0f113f3e MC |
1470 | typedef struct cert_st { |
1471 | /* Current active set */ | |
1472 | /* | |
1473 | * ALWAYS points to an element of the pkeys array | |
1474 | * Probably it would make more sense to store | |
1475 | * an index, not a pointer. | |
1476 | */ | |
1477 | CERT_PKEY *key; | |
0f113f3e | 1478 | # ifndef OPENSSL_NO_DH |
e2b420fd | 1479 | EVP_PKEY *dh_tmp; |
0f113f3e MC |
1480 | DH *(*dh_tmp_cb) (SSL *ssl, int is_export, int keysize); |
1481 | int dh_tmp_auto; | |
0f113f3e MC |
1482 | # endif |
1483 | /* Flags related to certificates */ | |
f7d53487 | 1484 | uint32_t cert_flags; |
0f113f3e MC |
1485 | CERT_PKEY pkeys[SSL_PKEY_NUM]; |
1486 | /* | |
1487 | * Certificate types (received or sent) in certificate request message. | |
1488 | * On receive this is only set if number of certificate types exceeds | |
1489 | * SSL3_CT_NUMBER. | |
1490 | */ | |
1491 | unsigned char *ctypes; | |
1492 | size_t ctype_num; | |
0f113f3e | 1493 | /* |
60250017 | 1494 | * supported signature algorithms. When set on a client this is sent in |
0f113f3e MC |
1495 | * the client hello as the supported signature algorithms extension. For |
1496 | * servers it represents the signature algorithms we are willing to use. | |
1497 | */ | |
1498 | unsigned char *conf_sigalgs; | |
1499 | /* Size of above array */ | |
1500 | size_t conf_sigalgslen; | |
1501 | /* | |
1502 | * Client authentication signature algorithms, if not set then uses | |
1503 | * conf_sigalgs. On servers these will be the signature algorithms sent | |
1504 | * to the client in a cerificate request for TLS 1.2. On a client this | |
1505 | * represents the signature algortithms we are willing to use for client | |
1506 | * authentication. | |
1507 | */ | |
1508 | unsigned char *client_sigalgs; | |
1509 | /* Size of above array */ | |
1510 | size_t client_sigalgslen; | |
1511 | /* | |
1512 | * Signature algorithms shared by client and server: cached because these | |
1513 | * are used most often. | |
1514 | */ | |
1515 | TLS_SIGALGS *shared_sigalgs; | |
1516 | size_t shared_sigalgslen; | |
1517 | /* | |
1518 | * Certificate setup callback: if set is called whenever a certificate | |
1519 | * may be required (client or server). the callback can then examine any | |
1520 | * appropriate parameters and setup any certificates required. This | |
1521 | * allows advanced applications to select certificates on the fly: for | |
1522 | * example based on supported signature algorithms or curves. | |
1523 | */ | |
1524 | int (*cert_cb) (SSL *ssl, void *arg); | |
1525 | void *cert_cb_arg; | |
1526 | /* | |
1527 | * Optional X509_STORE for chain building or certificate validation If | |
1528 | * NULL the parent SSL_CTX store is used instead. | |
1529 | */ | |
1530 | X509_STORE *chain_store; | |
1531 | X509_STORE *verify_store; | |
0f113f3e MC |
1532 | /* Custom extension methods for server and client */ |
1533 | custom_ext_methods cli_ext; | |
1534 | custom_ext_methods srv_ext; | |
1535 | /* Security callback */ | |
e4646a89 | 1536 | int (*sec_cb) (const SSL *s, const SSL_CTX *ctx, int op, int bits, int nid, |
0f113f3e MC |
1537 | void *other, void *ex); |
1538 | /* Security level */ | |
1539 | int sec_level; | |
1540 | void *sec_ex; | |
a230b26e | 1541 | # ifndef OPENSSL_NO_PSK |
df6da24b DSH |
1542 | /* If not NULL psk identity hint to use for servers */ |
1543 | char *psk_identity_hint; | |
a230b26e | 1544 | # endif |
0f113f3e | 1545 | int references; /* >1 only if SSL_copy_session_id is used */ |
16203f7b | 1546 | CRYPTO_RWLOCK *lock; |
0f113f3e MC |
1547 | } CERT; |
1548 | ||
e7f8ff43 | 1549 | /* Structure containing decoded values of signature algorithms extension */ |
0f113f3e MC |
1550 | struct tls_sigalgs_st { |
1551 | /* NID of hash algorithm */ | |
1552 | int hash_nid; | |
1553 | /* NID of signature algorithm */ | |
1554 | int sign_nid; | |
1555 | /* Combined hash and signature NID */ | |
1556 | int signandhash_nid; | |
1557 | /* Raw values used in extension */ | |
1558 | unsigned char rsign; | |
1559 | unsigned char rhash; | |
1560 | }; | |
1561 | ||
0f113f3e | 1562 | # define FP_ICC (int (*)(const void *,const void *)) |
0f113f3e MC |
1563 | |
1564 | /* | |
1565 | * This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff It is a bit | |
1566 | * of a mess of functions, but hell, think of it as an opaque structure :-) | |
1567 | */ | |
1568 | typedef struct ssl3_enc_method { | |
d102d9df MC |
1569 | int (*enc) (SSL *, SSL3_RECORD *, unsigned int, int); |
1570 | int (*mac) (SSL *, SSL3_RECORD *, unsigned char *, int); | |
0f113f3e MC |
1571 | int (*setup_key_block) (SSL *); |
1572 | int (*generate_master_secret) (SSL *, unsigned char *, unsigned char *, | |
1573 | int); | |
1574 | int (*change_cipher_state) (SSL *, int); | |
1575 | int (*final_finish_mac) (SSL *, const char *, int, unsigned char *); | |
1576 | int finish_mac_length; | |
0f113f3e MC |
1577 | const char *client_finished_label; |
1578 | int client_finished_label_len; | |
1579 | const char *server_finished_label; | |
1580 | int server_finished_label_len; | |
1581 | int (*alert_value) (int); | |
1582 | int (*export_keying_material) (SSL *, unsigned char *, size_t, | |
1583 | const char *, size_t, | |
1584 | const unsigned char *, size_t, | |
1585 | int use_context); | |
1586 | /* Various flags indicating protocol version requirements */ | |
f7d53487 | 1587 | uint32_t enc_flags; |
0f113f3e MC |
1588 | /* Handshake header length */ |
1589 | unsigned int hhlen; | |
1590 | /* Set the handshake header */ | |
a29fa98c | 1591 | int (*set_handshake_header) (SSL *s, WPACKET *pkt, int type); |
2c7b4dbc | 1592 | /* Close construction of the handshake message */ |
4a01c59f | 1593 | int (*close_construct_packet) (SSL *s, WPACKET *pkt, int htype); |
0f113f3e MC |
1594 | /* Write out handshake message */ |
1595 | int (*do_write) (SSL *s); | |
1596 | } SSL3_ENC_METHOD; | |
1597 | ||
1598 | # define SSL_HM_HEADER_LENGTH(s) s->method->ssl3_enc->hhlen | |
1599 | # define ssl_handshake_start(s) \ | |
1600 | (((unsigned char *)s->init_buf->data) + s->method->ssl3_enc->hhlen) | |
a29fa98c MC |
1601 | # define ssl_set_handshake_header(s, pkt, htype) \ |
1602 | s->method->ssl3_enc->set_handshake_header((s), (pkt), (htype)) | |
4a01c59f MC |
1603 | # define ssl_close_construct_packet(s, pkt, htype) \ |
1604 | s->method->ssl3_enc->close_construct_packet((s), (pkt), (htype)) | |
0f113f3e | 1605 | # define ssl_do_write(s) s->method->ssl3_enc->do_write(s) |
173e72e6 DSH |
1606 | |
1607 | /* Values for enc_flags */ | |
1608 | ||
1609 | /* Uses explicit IV for CBC mode */ | |
0f113f3e | 1610 | # define SSL_ENC_FLAG_EXPLICIT_IV 0x1 |
173e72e6 | 1611 | /* Uses signature algorithms extension */ |
0f113f3e | 1612 | # define SSL_ENC_FLAG_SIGALGS 0x2 |
cbd64894 | 1613 | /* Uses SHA256 default PRF */ |
0f113f3e | 1614 | # define SSL_ENC_FLAG_SHA256_PRF 0x4 |
173e72e6 | 1615 | /* Is DTLS */ |
0f113f3e MC |
1616 | # define SSL_ENC_FLAG_DTLS 0x8 |
1617 | /* | |
1618 | * Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2: may | |
1619 | * apply to others in future. | |
4221c0dd | 1620 | */ |
0f113f3e | 1621 | # define SSL_ENC_FLAG_TLS1_2_CIPHERS 0x10 |
173e72e6 | 1622 | |
0f113f3e | 1623 | # ifndef OPENSSL_NO_COMP |
651d0aff | 1624 | /* Used for holding the relevant compression methods loaded into SSL_CTX */ |
0f113f3e MC |
1625 | typedef struct ssl3_comp_st { |
1626 | int comp_id; /* The identifier byte for this compression | |
1627 | * type */ | |
1628 | char *name; /* Text name used for the compression type */ | |
1629 | COMP_METHOD *method; /* The method :-) */ | |
1630 | } SSL3_COMP; | |
1631 | # endif | |
dfeab068 | 1632 | |
3ed449e9 | 1633 | extern SSL3_ENC_METHOD ssl3_undef_enc_method; |
7d7d2cbc | 1634 | |
2b8fa1d5 KR |
1635 | __owur const SSL_METHOD *ssl_bad_method(int ver); |
1636 | __owur const SSL_METHOD *sslv3_method(void); | |
1637 | __owur const SSL_METHOD *sslv3_server_method(void); | |
1638 | __owur const SSL_METHOD *sslv3_client_method(void); | |
1639 | __owur const SSL_METHOD *tlsv1_method(void); | |
1640 | __owur const SSL_METHOD *tlsv1_server_method(void); | |
1641 | __owur const SSL_METHOD *tlsv1_client_method(void); | |
1642 | __owur const SSL_METHOD *tlsv1_1_method(void); | |
1643 | __owur const SSL_METHOD *tlsv1_1_server_method(void); | |
1644 | __owur const SSL_METHOD *tlsv1_1_client_method(void); | |
1645 | __owur const SSL_METHOD *tlsv1_2_method(void); | |
1646 | __owur const SSL_METHOD *tlsv1_2_server_method(void); | |
1647 | __owur const SSL_METHOD *tlsv1_2_client_method(void); | |
582a17d6 MC |
1648 | __owur const SSL_METHOD *tlsv1_3_method(void); |
1649 | __owur const SSL_METHOD *tlsv1_3_server_method(void); | |
1650 | __owur const SSL_METHOD *tlsv1_3_client_method(void); | |
2b8fa1d5 KR |
1651 | __owur const SSL_METHOD *dtlsv1_method(void); |
1652 | __owur const SSL_METHOD *dtlsv1_server_method(void); | |
1653 | __owur const SSL_METHOD *dtlsv1_client_method(void); | |
032924c4 | 1654 | __owur const SSL_METHOD *dtls_bad_ver_client_method(void); |
2b8fa1d5 KR |
1655 | __owur const SSL_METHOD *dtlsv1_2_method(void); |
1656 | __owur const SSL_METHOD *dtlsv1_2_server_method(void); | |
1657 | __owur const SSL_METHOD *dtlsv1_2_client_method(void); | |
d02b48c6 | 1658 | |
161e0a61 BL |
1659 | extern const SSL3_ENC_METHOD TLSv1_enc_data; |
1660 | extern const SSL3_ENC_METHOD TLSv1_1_enc_data; | |
1661 | extern const SSL3_ENC_METHOD TLSv1_2_enc_data; | |
582a17d6 | 1662 | extern const SSL3_ENC_METHOD TLSv1_3_enc_data; |
8892ce77 BL |
1663 | extern const SSL3_ENC_METHOD SSLv3_enc_data; |
1664 | extern const SSL3_ENC_METHOD DTLSv1_enc_data; | |
1665 | extern const SSL3_ENC_METHOD DTLSv1_2_enc_data; | |
f3b656b2 | 1666 | |
4fa52141 VD |
1667 | /* |
1668 | * Flags for SSL methods | |
1669 | */ | |
a230b26e EK |
1670 | # define SSL_METHOD_NO_FIPS (1U<<0) |
1671 | # define SSL_METHOD_NO_SUITEB (1U<<1) | |
4fa52141 VD |
1672 | |
1673 | # define IMPLEMENT_tls_meth_func(version, flags, mask, func_name, s_accept, \ | |
ccae4a15 | 1674 | s_connect, enc_data) \ |
4ebb342f | 1675 | const SSL_METHOD *func_name(void) \ |
0f113f3e MC |
1676 | { \ |
1677 | static const SSL_METHOD func_name##_data= { \ | |
1678 | version, \ | |
4fa52141 VD |
1679 | flags, \ |
1680 | mask, \ | |
0f113f3e MC |
1681 | tls1_new, \ |
1682 | tls1_clear, \ | |
1683 | tls1_free, \ | |
1684 | s_accept, \ | |
1685 | s_connect, \ | |
1686 | ssl3_read, \ | |
1687 | ssl3_peek, \ | |
1688 | ssl3_write, \ | |
1689 | ssl3_shutdown, \ | |
1690 | ssl3_renegotiate, \ | |
1691 | ssl3_renegotiate_check, \ | |
0f113f3e MC |
1692 | ssl3_read_bytes, \ |
1693 | ssl3_write_bytes, \ | |
1694 | ssl3_dispatch_alert, \ | |
1695 | ssl3_ctrl, \ | |
1696 | ssl3_ctx_ctrl, \ | |
1697 | ssl3_get_cipher_by_char, \ | |
1698 | ssl3_put_cipher_by_char, \ | |
1699 | ssl3_pending, \ | |
1700 | ssl3_num_ciphers, \ | |
1701 | ssl3_get_cipher, \ | |
0f113f3e MC |
1702 | tls1_default_timeout, \ |
1703 | &enc_data, \ | |
1704 | ssl_undefined_void_function, \ | |
1705 | ssl3_callback_ctrl, \ | |
1706 | ssl3_ctx_callback_ctrl, \ | |
1707 | }; \ | |
1708 | return &func_name##_data; \ | |
1709 | } | |
1710 | ||
ccae4a15 | 1711 | # define IMPLEMENT_ssl3_meth_func(func_name, s_accept, s_connect) \ |
4ebb342f | 1712 | const SSL_METHOD *func_name(void) \ |
0f113f3e MC |
1713 | { \ |
1714 | static const SSL_METHOD func_name##_data= { \ | |
1715 | SSL3_VERSION, \ | |
4fa52141 VD |
1716 | SSL_METHOD_NO_FIPS | SSL_METHOD_NO_SUITEB, \ |
1717 | SSL_OP_NO_SSLv3, \ | |
0f113f3e MC |
1718 | ssl3_new, \ |
1719 | ssl3_clear, \ | |
1720 | ssl3_free, \ | |
1721 | s_accept, \ | |
1722 | s_connect, \ | |
1723 | ssl3_read, \ | |
1724 | ssl3_peek, \ | |
1725 | ssl3_write, \ | |
1726 | ssl3_shutdown, \ | |
1727 | ssl3_renegotiate, \ | |
1728 | ssl3_renegotiate_check, \ | |
0f113f3e MC |
1729 | ssl3_read_bytes, \ |
1730 | ssl3_write_bytes, \ | |
1731 | ssl3_dispatch_alert, \ | |
1732 | ssl3_ctrl, \ | |
1733 | ssl3_ctx_ctrl, \ | |
1734 | ssl3_get_cipher_by_char, \ | |
1735 | ssl3_put_cipher_by_char, \ | |
1736 | ssl3_pending, \ | |
1737 | ssl3_num_ciphers, \ | |
1738 | ssl3_get_cipher, \ | |
0f113f3e MC |
1739 | ssl3_default_timeout, \ |
1740 | &SSLv3_enc_data, \ | |
1741 | ssl_undefined_void_function, \ | |
1742 | ssl3_callback_ctrl, \ | |
1743 | ssl3_ctx_callback_ctrl, \ | |
1744 | }; \ | |
1745 | return &func_name##_data; \ | |
1746 | } | |
1747 | ||
4fa52141 | 1748 | # define IMPLEMENT_dtls1_meth_func(version, flags, mask, func_name, s_accept, \ |
ccae4a15 | 1749 | s_connect, enc_data) \ |
4ebb342f | 1750 | const SSL_METHOD *func_name(void) \ |
0f113f3e MC |
1751 | { \ |
1752 | static const SSL_METHOD func_name##_data= { \ | |
1753 | version, \ | |
4fa52141 VD |
1754 | flags, \ |
1755 | mask, \ | |
0f113f3e MC |
1756 | dtls1_new, \ |
1757 | dtls1_clear, \ | |
1758 | dtls1_free, \ | |
1759 | s_accept, \ | |
1760 | s_connect, \ | |
1761 | ssl3_read, \ | |
1762 | ssl3_peek, \ | |
1763 | ssl3_write, \ | |
1764 | dtls1_shutdown, \ | |
1765 | ssl3_renegotiate, \ | |
1766 | ssl3_renegotiate_check, \ | |
0f113f3e MC |
1767 | dtls1_read_bytes, \ |
1768 | dtls1_write_app_data_bytes, \ | |
1769 | dtls1_dispatch_alert, \ | |
1770 | dtls1_ctrl, \ | |
1771 | ssl3_ctx_ctrl, \ | |
1772 | ssl3_get_cipher_by_char, \ | |
1773 | ssl3_put_cipher_by_char, \ | |
1774 | ssl3_pending, \ | |
1775 | ssl3_num_ciphers, \ | |
ca3895f0 | 1776 | ssl3_get_cipher, \ |
0f113f3e MC |
1777 | dtls1_default_timeout, \ |
1778 | &enc_data, \ | |
1779 | ssl_undefined_void_function, \ | |
1780 | ssl3_callback_ctrl, \ | |
1781 | ssl3_ctx_callback_ctrl, \ | |
1782 | }; \ | |
1783 | return &func_name##_data; \ | |
1784 | } | |
1785 | ||
1786 | struct openssl_ssl_test_functions { | |
46417569 | 1787 | int (*p_ssl_init_wbio_buffer) (SSL *s); |
0f113f3e | 1788 | int (*p_ssl3_setup_buffers) (SSL *s); |
08934f1a | 1789 | # ifndef OPENSSL_NO_HEARTBEATS |
2c60ed04 | 1790 | int (*p_dtls1_process_heartbeat) (SSL *s, |
a230b26e | 1791 | unsigned char *p, unsigned int length); |
08934f1a | 1792 | # endif |
0f113f3e MC |
1793 | }; |
1794 | ||
3eb2aff4 | 1795 | const char *ssl_protocol_to_string(int version); |
7d650072 | 1796 | |
0f113f3e | 1797 | # ifndef OPENSSL_UNIT_TEST |
e0fc7961 | 1798 | |
d02b48c6 RE |
1799 | void ssl_clear_cipher_ctx(SSL *s); |
1800 | int ssl_clear_bad_session(SSL *s); | |
4bcdb4a6 MC |
1801 | __owur CERT *ssl_cert_new(void); |
1802 | __owur CERT *ssl_cert_dup(CERT *cert); | |
a5ee80b9 | 1803 | void ssl_cert_clear_certs(CERT *c); |
d02b48c6 | 1804 | void ssl_cert_free(CERT *c); |
4bcdb4a6 | 1805 | __owur int ssl_get_new_session(SSL *s, int session); |
b3e2272c EK |
1806 | __owur int ssl_get_prev_session(SSL *s, const PACKET *ext, |
1807 | const PACKET *session_id); | |
98ece4ee | 1808 | __owur SSL_SESSION *ssl_session_dup(SSL_SESSION *src, int ticket); |
4bcdb4a6 | 1809 | __owur int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b); |
0f113f3e | 1810 | DECLARE_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, ssl_cipher_id); |
4bcdb4a6 | 1811 | __owur int ssl_cipher_ptr_id_cmp(const SSL_CIPHER *const *ap, |
a230b26e | 1812 | const SSL_CIPHER *const *bp); |
4bcdb4a6 | 1813 | __owur STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *meth, |
a230b26e EK |
1814 | STACK_OF(SSL_CIPHER) **pref, |
1815 | STACK_OF(SSL_CIPHER) | |
1816 | **sorted, | |
1817 | const char *rule_str, | |
1818 | CERT *c); | |
d02b48c6 | 1819 | void ssl_update_cache(SSL *s, int mode); |
4bcdb4a6 | 1820 | __owur int ssl_cipher_get_evp(const SSL_SESSION *s, const EVP_CIPHER **enc, |
a230b26e EK |
1821 | const EVP_MD **md, int *mac_pkey_type, |
1822 | int *mac_secret_size, SSL_COMP **comp, | |
1823 | int use_etm); | |
045bd047 DW |
1824 | __owur int ssl_cipher_get_overhead(const SSL_CIPHER *c, size_t *mac_overhead, |
1825 | size_t *int_overhead, size_t *blocksize, | |
1826 | size_t *ext_overhead); | |
4bcdb4a6 | 1827 | __owur int ssl_cipher_get_cert_index(const SSL_CIPHER *c); |
a230b26e EK |
1828 | __owur const SSL_CIPHER *ssl_get_cipher_by_char(SSL *ssl, |
1829 | const unsigned char *ptr); | |
4bcdb4a6 MC |
1830 | __owur int ssl_cert_set0_chain(SSL *s, SSL_CTX *ctx, STACK_OF(X509) *chain); |
1831 | __owur int ssl_cert_set1_chain(SSL *s, SSL_CTX *ctx, STACK_OF(X509) *chain); | |
1832 | __owur int ssl_cert_add0_chain_cert(SSL *s, SSL_CTX *ctx, X509 *x); | |
1833 | __owur int ssl_cert_add1_chain_cert(SSL *s, SSL_CTX *ctx, X509 *x); | |
1834 | __owur int ssl_cert_select_current(CERT *c, X509 *x); | |
1835 | __owur int ssl_cert_set_current(CERT *c, long arg); | |
1836 | __owur X509 *ssl_cert_get0_next_certificate(CERT *c, int first); | |
a230b26e | 1837 | void ssl_cert_set_cert_cb(CERT *c, int (*cb) (SSL *ssl, void *arg), void *arg); |
f71c6e52 | 1838 | |
4bcdb4a6 | 1839 | __owur int ssl_verify_cert_chain(SSL *s, STACK_OF(X509) *sk); |
c49e1912 | 1840 | __owur int ssl_add_cert_chain(SSL *s, WPACKET *pkt, CERT_PKEY *cpk); |
4bcdb4a6 | 1841 | __owur int ssl_build_cert_chain(SSL *s, SSL_CTX *ctx, int flags); |
a230b26e EK |
1842 | __owur int ssl_cert_set_cert_store(CERT *c, X509_STORE *store, int chain, |
1843 | int ref); | |
b362ccab | 1844 | |
e4646a89 | 1845 | __owur int ssl_security(const SSL *s, int op, int bits, int nid, void *other); |
a230b26e EK |
1846 | __owur int ssl_ctx_security(const SSL_CTX *ctx, int op, int bits, int nid, |
1847 | void *other); | |
b362ccab | 1848 | |
d02b48c6 | 1849 | int ssl_undefined_function(SSL *s); |
4bcdb4a6 MC |
1850 | __owur int ssl_undefined_void_function(void); |
1851 | __owur int ssl_undefined_const_function(const SSL *s); | |
6383d316 | 1852 | __owur CERT_PKEY *ssl_get_server_send_pkey(SSL *s); |
a230b26e EK |
1853 | __owur int ssl_get_server_cert_serverinfo(SSL *s, |
1854 | const unsigned char **serverinfo, | |
1855 | size_t *serverinfo_length); | |
1856 | __owur EVP_PKEY *ssl_get_sign_pkey(SSL *s, const SSL_CIPHER *c, | |
1857 | const EVP_MD **pmd); | |
2e5ead83 | 1858 | __owur int ssl_cert_type(const X509 *x, const EVP_PKEY *pkey); |
2cf28d61 | 1859 | void ssl_set_masks(SSL *s); |
4bcdb4a6 MC |
1860 | __owur STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s); |
1861 | __owur int ssl_verify_alarm_type(long type); | |
748f2546 | 1862 | void ssl_sort_cipher_list(void); |
7f3c9036 | 1863 | void ssl_load_ciphers(void); |
a230b26e EK |
1864 | __owur int ssl_fill_hello_random(SSL *s, int server, unsigned char *field, |
1865 | int len); | |
57b272b0 DSH |
1866 | __owur int ssl_generate_master_secret(SSL *s, unsigned char *pms, size_t pmslen, |
1867 | int free_pms); | |
0a699a07 | 1868 | __owur EVP_PKEY *ssl_generate_pkey(EVP_PKEY *pm); |
3f3504bd | 1869 | __owur int ssl_derive(SSL *s, EVP_PKEY *privkey, EVP_PKEY *pubkey); |
6c4e6670 | 1870 | __owur EVP_PKEY *ssl_dh_to_pkey(DH *dh); |
d02b48c6 | 1871 | |
4bcdb4a6 | 1872 | __owur const SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p); |
ae2f7b37 | 1873 | __owur int ssl3_put_cipher_by_char(const SSL_CIPHER *c, WPACKET *pkt, |
2c7b4dbc | 1874 | size_t *len); |
2c4a056f | 1875 | int ssl3_init_finished_mac(SSL *s); |
4bcdb4a6 | 1876 | __owur int ssl3_setup_key_block(SSL *s); |
4bcdb4a6 | 1877 | __owur int ssl3_change_cipher_state(SSL *s, int which); |
d02b48c6 | 1878 | void ssl3_cleanup_key_block(SSL *s); |
4bcdb4a6 | 1879 | __owur int ssl3_do_write(SSL *s, int type); |
0f113f3e | 1880 | int ssl3_send_alert(SSL *s, int level, int desc); |
4bcdb4a6 | 1881 | __owur int ssl3_generate_master_secret(SSL *s, unsigned char *out, |
a230b26e | 1882 | unsigned char *p, int len); |
28ff8ef3 | 1883 | __owur int ssl3_get_req_cert_type(SSL *s, WPACKET *pkt); |
4bcdb4a6 MC |
1884 | __owur int ssl3_num_ciphers(void); |
1885 | __owur const SSL_CIPHER *ssl3_get_cipher(unsigned int u); | |
0f113f3e MC |
1886 | int ssl3_renegotiate(SSL *ssl); |
1887 | int ssl3_renegotiate_check(SSL *ssl); | |
4bcdb4a6 | 1888 | __owur int ssl3_dispatch_alert(SSL *s); |
4bcdb4a6 | 1889 | __owur int ssl3_final_finish_mac(SSL *s, const char *sender, int slen, |
a230b26e | 1890 | unsigned char *p); |
7ee8627f | 1891 | __owur int ssl3_finish_mac(SSL *s, const unsigned char *buf, size_t len); |
81025661 | 1892 | void ssl3_free_digest_list(SSL *s); |
7cea05dc MC |
1893 | __owur unsigned long ssl3_output_cert_chain(SSL *s, WPACKET *pkt, |
1894 | CERT_PKEY *cpk); | |
4a640fb6 DSH |
1895 | __owur const SSL_CIPHER *ssl3_choose_cipher(SSL *ssl, |
1896 | STACK_OF(SSL_CIPHER) *clnt, | |
1897 | STACK_OF(SSL_CIPHER) *srvr); | |
124037fd | 1898 | __owur int ssl3_digest_cached_records(SSL *s, int keep); |
4bcdb4a6 | 1899 | __owur int ssl3_new(SSL *s); |
0f113f3e | 1900 | void ssl3_free(SSL *s); |
eda75751 MC |
1901 | __owur int ssl3_read(SSL *s, void *buf, size_t len, size_t *read); |
1902 | __owur int ssl3_peek(SSL *s, void *buf, size_t len, size_t *read); | |
7ee8627f | 1903 | __owur int ssl3_write(SSL *s, const void *buf, size_t len, size_t *written); |
4bcdb4a6 | 1904 | __owur int ssl3_shutdown(SSL *s); |
0f113f3e | 1905 | void ssl3_clear(SSL *s); |
4bcdb4a6 MC |
1906 | __owur long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg); |
1907 | __owur long ssl3_ctx_ctrl(SSL_CTX *s, int cmd, long larg, void *parg); | |
1908 | __owur long ssl3_callback_ctrl(SSL *s, int cmd, void (*fp) (void)); | |
1909 | __owur long ssl3_ctx_callback_ctrl(SSL_CTX *s, int cmd, void (*fp) (void)); | |
d02b48c6 | 1910 | |
4bcdb4a6 MC |
1911 | __owur int ssl3_do_change_cipher_spec(SSL *ssl); |
1912 | __owur long ssl3_default_timeout(void); | |
f3b656b2 | 1913 | |
a29fa98c | 1914 | __owur int ssl3_set_handshake_header(SSL *s, WPACKET *pkt, int htype); |
4a01c59f | 1915 | __owur int tls_close_construct_packet(SSL *s, WPACKET *pkt, int htype); |
a29fa98c | 1916 | __owur int dtls1_set_handshake_header(SSL *s, WPACKET *pkt, int htype); |
4a01c59f | 1917 | __owur int dtls1_close_construct_packet(SSL *s, WPACKET *pkt, int htype); |
4bcdb4a6 MC |
1918 | __owur int ssl3_handshake_write(SSL *s); |
1919 | ||
4bcdb4a6 MC |
1920 | __owur int ssl_allow_compression(SSL *s); |
1921 | ||
ccae4a15 FI |
1922 | __owur int ssl_version_supported(const SSL *s, int version); |
1923 | ||
4fa52141 VD |
1924 | __owur int ssl_set_client_hello_version(SSL *s); |
1925 | __owur int ssl_check_version_downgrade(SSL *s); | |
1926 | __owur int ssl_set_version_bound(int method_version, int version, int *bound); | |
1927 | __owur int ssl_choose_server_version(SSL *s); | |
1928 | __owur int ssl_choose_client_version(SSL *s, int version); | |
a230b26e EK |
1929 | int ssl_get_client_min_max_version(const SSL *s, int *min_version, |
1930 | int *max_version); | |
4fa52141 | 1931 | |
4bcdb4a6 MC |
1932 | __owur long tls1_default_timeout(void); |
1933 | __owur int dtls1_do_write(SSL *s, int type); | |
4bcdb4a6 | 1934 | void dtls1_set_message_header(SSL *s, |
a773b52a | 1935 | unsigned char mt, |
4bcdb4a6 | 1936 | unsigned long len, |
a230b26e | 1937 | unsigned long frag_off, unsigned long frag_len); |
4bcdb4a6 | 1938 | |
7ee8627f MC |
1939 | int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf_, size_t len, |
1940 | size_t *written); | |
4bcdb4a6 | 1941 | |
4bcdb4a6 MC |
1942 | __owur int dtls1_read_failed(SSL *s, int code); |
1943 | __owur int dtls1_buffer_message(SSL *s, int ccs); | |
a773b52a | 1944 | __owur int dtls1_retransmit_message(SSL *s, unsigned short seq, int *found); |
4bcdb4a6 | 1945 | __owur int dtls1_get_queue_priority(unsigned short seq, int is_ccs); |
17dd65e6 | 1946 | int dtls1_retransmit_buffered_messages(SSL *s); |
f5c7f5df MC |
1947 | void dtls1_clear_received_buffer(SSL *s); |
1948 | void dtls1_clear_sent_buffer(SSL *s); | |
0f113f3e MC |
1949 | void dtls1_get_message_header(unsigned char *data, |
1950 | struct hm_header_st *msg_hdr); | |
4bcdb4a6 MC |
1951 | __owur long dtls1_default_timeout(void); |
1952 | __owur struct timeval *dtls1_get_timeout(SSL *s, struct timeval *timeleft); | |
1953 | __owur int dtls1_check_timeout_num(SSL *s); | |
1954 | __owur int dtls1_handle_timeout(SSL *s); | |
9289f21b DSH |
1955 | void dtls1_start_timer(SSL *s); |
1956 | void dtls1_stop_timer(SSL *s); | |
4bcdb4a6 | 1957 | __owur int dtls1_is_timer_expired(SSL *s); |
9289f21b | 1958 | void dtls1_double_timeout(SSL *s); |
c536b6be MC |
1959 | __owur int dtls_raw_hello_verify_request(WPACKET *pkt, unsigned char *cookie, |
1960 | unsigned char cookie_len); | |
4bcdb4a6 | 1961 | __owur int dtls1_send_newsession_ticket(SSL *s); |
7ee8627f | 1962 | __owur size_t dtls1_min_mtu(SSL *s); |
8a35dbb6 | 1963 | void dtls1_hm_fragment_free(hm_fragment *frag); |
8ba708e5 | 1964 | __owur int dtls1_query_mtu(SSL *s); |
480506bd | 1965 | |
4bcdb4a6 | 1966 | __owur int tls1_new(SSL *s); |
58964a49 RE |
1967 | void tls1_free(SSL *s); |
1968 | void tls1_clear(SSL *s); | |
0f113f3e MC |
1969 | long tls1_ctrl(SSL *s, int cmd, long larg, void *parg); |
1970 | long tls1_callback_ctrl(SSL *s, int cmd, void (*fp) (void)); | |
58964a49 | 1971 | |
4bcdb4a6 | 1972 | __owur int dtls1_new(SSL *s); |
36d16f8e BL |
1973 | void dtls1_free(SSL *s); |
1974 | void dtls1_clear(SSL *s); | |
0f113f3e | 1975 | long dtls1_ctrl(SSL *s, int cmd, long larg, void *parg); |
4bcdb4a6 | 1976 | __owur int dtls1_shutdown(SSL *s); |
36d16f8e | 1977 | |
4bcdb4a6 | 1978 | __owur int dtls1_dispatch_alert(SSL *s); |
36d16f8e | 1979 | |
46417569 | 1980 | __owur int ssl_init_wbio_buffer(SSL *s); |
413c4f45 | 1981 | void ssl_free_wbio_buffer(SSL *s); |
58964a49 | 1982 | |
4bcdb4a6 MC |
1983 | __owur int tls1_change_cipher_state(SSL *s, int which); |
1984 | __owur int tls1_setup_key_block(SSL *s); | |
4bcdb4a6 | 1985 | __owur int tls1_final_finish_mac(SSL *s, |
a230b26e | 1986 | const char *str, int slen, unsigned char *p); |
4bcdb4a6 | 1987 | __owur int tls1_generate_master_secret(SSL *s, unsigned char *out, |
a230b26e | 1988 | unsigned char *p, int len); |
4bcdb4a6 | 1989 | __owur int tls1_export_keying_material(SSL *s, unsigned char *out, size_t olen, |
a230b26e EK |
1990 | const char *label, size_t llen, |
1991 | const unsigned char *p, size_t plen, | |
1992 | int use_context); | |
4bcdb4a6 MC |
1993 | __owur int tls1_alert_code(int code); |
1994 | __owur int ssl3_alert_code(int code); | |
1995 | __owur int ssl_ok(SSL *s); | |
58964a49 | 1996 | |
10bf4fc2 | 1997 | # ifndef OPENSSL_NO_EC |
4bcdb4a6 | 1998 | __owur int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s); |
0f113f3e | 1999 | # endif |
41fdcfa7 | 2000 | |
f73e07cf | 2001 | SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n); |
413c4f45 | 2002 | |
0f113f3e | 2003 | # ifndef OPENSSL_NO_EC |
ec24630a DSH |
2004 | /* Flags values from tls1_ec_curve_id2nid() */ |
2005 | /* Mask for curve type */ | |
2006 | # define TLS_CURVE_TYPE 0x3 | |
2007 | # define TLS_CURVE_PRIME 0x0 | |
2008 | # define TLS_CURVE_CHAR2 0x1 | |
2009 | # define TLS_CURVE_CUSTOM 0x2 | |
2010 | __owur int tls1_ec_curve_id2nid(int curve_id, unsigned int *pflags); | |
4bcdb4a6 MC |
2011 | __owur int tls1_ec_nid2curve_id(int nid); |
2012 | __owur int tls1_check_curve(SSL *s, const unsigned char *p, size_t len); | |
2013 | __owur int tls1_shared_curve(SSL *s, int nmatch); | |
2014 | __owur int tls1_set_curves(unsigned char **pext, size_t *pextlen, | |
a230b26e | 2015 | int *curves, size_t ncurves); |
4bcdb4a6 | 2016 | __owur int tls1_set_curves_list(unsigned char **pext, size_t *pextlen, |
a230b26e | 2017 | const char *str); |
4bcdb4a6 | 2018 | __owur int tls1_check_ec_tmp_key(SSL *s, unsigned long id); |
0a699a07 | 2019 | __owur EVP_PKEY *ssl_generate_pkey_curve(int id); |
0f113f3e | 2020 | # endif /* OPENSSL_NO_EC */ |
33273721 | 2021 | |
4bcdb4a6 | 2022 | __owur int tls1_shared_list(SSL *s, |
a230b26e EK |
2023 | const unsigned char *l1, size_t l1len, |
2024 | const unsigned char *l2, size_t l2len, int nmatch); | |
ae2f7b37 | 2025 | __owur int ssl_add_clienthello_tlsext(SSL *s, WPACKET *pkt, int *al); |
8157d44b | 2026 | __owur int ssl_add_serverhello_tlsext(SSL *s, WPACKET *pkt, int *al); |
9ceb2426 | 2027 | __owur int ssl_parse_clienthello_tlsext(SSL *s, PACKET *pkt); |
a0f63828 | 2028 | void ssl_set_default_md(SSL *s); |
4bcdb4a6 | 2029 | __owur int tls1_set_server_sigalgs(SSL *s); |
70c22888 | 2030 | __owur int ssl_check_clienthello_tlsext_late(SSL *s, int *al); |
50932c4a | 2031 | __owur int ssl_parse_serverhello_tlsext(SSL *s, PACKET *pkt); |
4bcdb4a6 MC |
2032 | __owur int ssl_prepare_clienthello_tlsext(SSL *s); |
2033 | __owur int ssl_prepare_serverhello_tlsext(SSL *s); | |
49968440 | 2034 | |
e481f9b9 | 2035 | # ifndef OPENSSL_NO_HEARTBEATS |
4bcdb4a6 | 2036 | __owur int dtls1_heartbeat(SSL *s); |
a230b26e EK |
2037 | __owur int dtls1_process_heartbeat(SSL *s, unsigned char *p, |
2038 | unsigned int length); | |
e481f9b9 | 2039 | # endif |
4817504d | 2040 | |
e7f0d921 DSH |
2041 | __owur int tls_check_serverhello_tlsext_early(SSL *s, const PACKET *ext, |
2042 | const PACKET *session_id, | |
2043 | SSL_SESSION **ret); | |
a2f9200f | 2044 | |
6400f338 | 2045 | __owur int tls12_get_sigandhash(WPACKET *pkt, const EVP_PKEY *pk, |
a230b26e | 2046 | const EVP_MD *md); |
4bcdb4a6 MC |
2047 | __owur int tls12_get_sigid(const EVP_PKEY *pk); |
2048 | __owur const EVP_MD *tls12_get_hash(unsigned char hash_alg); | |
90d9e49a | 2049 | void ssl_set_sig_mask(uint32_t *pmask_a, SSL *s, int op); |
a2f9200f | 2050 | |
4bcdb4a6 | 2051 | __owur int tls1_set_sigalgs_list(CERT *c, const char *str, int client); |
a230b26e EK |
2052 | __owur int tls1_set_sigalgs(CERT *c, const int *salg, size_t salglen, |
2053 | int client); | |
17dd65e6 | 2054 | int tls1_check_chain(SSL *s, X509 *x, EVP_PKEY *pk, STACK_OF(X509) *chain, |
0f113f3e | 2055 | int idx); |
d61ff83b | 2056 | void tls1_set_cert_validity(SSL *s); |
0f229cce | 2057 | |
a230b26e | 2058 | # ifndef OPENSSL_NO_CT |
4d482ee2 | 2059 | __owur int ssl_validate_ct(SSL *s); |
a230b26e | 2060 | # endif |
ed29e82a | 2061 | |
0f113f3e | 2062 | # ifndef OPENSSL_NO_DH |
4bcdb4a6 | 2063 | __owur DH *ssl_get_auto_dh(SSL *s); |
0f113f3e | 2064 | # endif |
b362ccab | 2065 | |
4bcdb4a6 | 2066 | __owur int ssl_security_cert(SSL *s, SSL_CTX *ctx, X509 *x, int vfy, int is_ee); |
a230b26e EK |
2067 | __owur int ssl_security_cert_chain(SSL *s, STACK_OF(X509) *sk, X509 *ex, |
2068 | int vfy); | |
b362ccab | 2069 | |
4bcdb4a6 | 2070 | __owur EVP_MD_CTX *ssl_replace_hash(EVP_MD_CTX **hash, const EVP_MD *md); |
b948e2c5 | 2071 | void ssl_clear_hash_ctx(EVP_MD_CTX **hash); |
8157d44b | 2072 | __owur int ssl_add_serverhello_renegotiate_ext(SSL *s, WPACKET *pkt); |
a230b26e | 2073 | __owur int ssl_parse_serverhello_renegotiate_ext(SSL *s, PACKET *pkt, int *al); |
9ceb2426 | 2074 | __owur int ssl_parse_clienthello_renegotiate_ext(SSL *s, PACKET *pkt, int *al); |
4bcdb4a6 | 2075 | __owur long ssl_get_algorithm2(SSL *s); |
ae2f7b37 | 2076 | __owur int tls12_copy_sigalgs(SSL *s, WPACKET *pkt, |
2c7b4dbc | 2077 | const unsigned char *psig, size_t psiglen); |
4bcdb4a6 MC |
2078 | __owur int tls1_save_sigalgs(SSL *s, const unsigned char *data, int dsize); |
2079 | __owur int tls1_process_sigalgs(SSL *s); | |
2080 | __owur size_t tls12_get_psigalgs(SSL *s, const unsigned char **psigs); | |
2081 | __owur int tls12_check_peer_sigalg(const EVP_MD **pmd, SSL *s, | |
a230b26e | 2082 | const unsigned char *sig, EVP_PKEY *pkey); |
b7bfe69b | 2083 | void ssl_set_client_disabled(SSL *s); |
4bcdb4a6 | 2084 | __owur int ssl_cipher_disabled(SSL *s, const SSL_CIPHER *c, int op); |
1c78c43b | 2085 | |
9ceb2426 | 2086 | __owur int ssl_parse_clienthello_use_srtp_ext(SSL *s, PACKET *pkt, int *al); |
50932c4a | 2087 | __owur int ssl_parse_serverhello_use_srtp_ext(SSL *s, PACKET *pkt, int *al); |
1c78c43b | 2088 | |
4bcdb4a6 | 2089 | __owur int ssl_handshake_hash(SSL *s, unsigned char *out, int outlen); |
152fbc28 | 2090 | __owur const EVP_MD *ssl_md(int idx); |
28ba2541 DSH |
2091 | __owur const EVP_MD *ssl_handshake_md(SSL *s); |
2092 | __owur const EVP_MD *ssl_prf_md(SSL *s); | |
48fbcbac | 2093 | |
2acc020b | 2094 | /* s3_cbc.c */ |
4bcdb4a6 | 2095 | __owur char ssl3_cbc_record_digest_supported(const EVP_MD_CTX *ctx); |
5f3d93e4 MC |
2096 | __owur int ssl3_cbc_digest_record(const EVP_MD_CTX *ctx, |
2097 | unsigned char *md_out, | |
2098 | size_t *md_out_size, | |
2099 | const unsigned char header[13], | |
2100 | const unsigned char *data, | |
2101 | size_t data_plus_mac_size, | |
2102 | size_t data_plus_mac_plus_padding_size, | |
2103 | const unsigned char *mac_secret, | |
2104 | unsigned mac_secret_length, char is_sslv3); | |
0f113f3e | 2105 | |
d166ed8c DSH |
2106 | __owur int tls_fips_digest_extra(const EVP_CIPHER_CTX *cipher_ctx, |
2107 | EVP_MD_CTX *mac_ctx, const unsigned char *data, | |
2108 | size_t data_len, size_t orig_len); | |
0989790b | 2109 | |
57b272b0 DSH |
2110 | __owur int srp_generate_server_master_secret(SSL *s); |
2111 | __owur int srp_generate_client_master_secret(SSL *s); | |
4bcdb4a6 | 2112 | __owur int srp_verify_server_param(SSL *s, int *al); |
0989790b | 2113 | |
ecf4d660 DSH |
2114 | /* t1_ext.c */ |
2115 | ||
28ea0a0c DSH |
2116 | void custom_ext_init(custom_ext_methods *meths); |
2117 | ||
4bcdb4a6 | 2118 | __owur int custom_ext_parse(SSL *s, int server, |
a230b26e EK |
2119 | unsigned int ext_type, |
2120 | const unsigned char *ext_data, size_t ext_size, | |
2121 | int *al); | |
ae2f7b37 | 2122 | __owur int custom_ext_add(SSL *s, int server, WPACKET *pkt, int *al); |
a230b26e EK |
2123 | |
2124 | __owur int custom_exts_copy(custom_ext_methods *dst, | |
2125 | const custom_ext_methods *src); | |
ecf4d660 DSH |
2126 | void custom_exts_free(custom_ext_methods *exts); |
2127 | ||
b3599dbb | 2128 | void ssl_comp_free_compression_methods_int(void); |
03b0e735 | 2129 | |
0f113f3e | 2130 | # else |
e0fc7961 | 2131 | |
0f113f3e MC |
2132 | # define ssl_init_wbio_buffer SSL_test_functions()->p_ssl_init_wbio_buffer |
2133 | # define ssl3_setup_buffers SSL_test_functions()->p_ssl3_setup_buffers | |
0f113f3e | 2134 | # define dtls1_process_heartbeat SSL_test_functions()->p_dtls1_process_heartbeat |
c4e6fb15 | 2135 | |
0f113f3e | 2136 | # endif |
e0fc7961 | 2137 | #endif |