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846e33c7 RS |
1 | /* |
2 | * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. | |
5a4fbc69 | 3 | * |
846e33c7 RS |
4 | * Licensed under the OpenSSL license (the "License"). You may not use |
5 | * this file except in compliance with the License. You can obtain a copy | |
6 | * in the file LICENSE in the source distribution or at | |
7 | * https://www.openssl.org/source/license.html | |
5a4fbc69 | 8 | */ |
846e33c7 | 9 | |
ea262260 BM |
10 | /* ==================================================================== |
11 | * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. | |
0f113f3e | 12 | * ECC cipher suite support in OpenSSL originally developed by |
ea262260 BM |
13 | * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project. |
14 | */ | |
ddac1974 NL |
15 | /* ==================================================================== |
16 | * Copyright 2005 Nokia. All rights reserved. | |
17 | * | |
18 | * The portions of the attached software ("Contribution") is developed by | |
19 | * Nokia Corporation and is licensed pursuant to the OpenSSL open source | |
20 | * license. | |
21 | * | |
22 | * The Contribution, originally written by Mika Kousa and Pasi Eronen of | |
23 | * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites | |
24 | * support (see RFC 4279) to OpenSSL. | |
25 | * | |
26 | * No patent licenses or other rights except those expressly stated in | |
27 | * the OpenSSL open source license shall be deemed granted or received | |
28 | * expressly, by implication, estoppel, or otherwise. | |
29 | * | |
30 | * No assurances are provided by Nokia that the Contribution does not | |
31 | * infringe the patent or other intellectual property rights of any third | |
32 | * party or that the license provides you with all the necessary rights | |
33 | * to make use of the Contribution. | |
34 | * | |
35 | * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN | |
36 | * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA | |
37 | * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY | |
38 | * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR | |
39 | * OTHERWISE. | |
40 | */ | |
d02b48c6 RE |
41 | |
42 | #ifndef HEADER_SSL_LOCL_H | |
0f113f3e MC |
43 | # define HEADER_SSL_LOCL_H |
44 | # include <stdlib.h> | |
45 | # include <time.h> | |
46 | # include <string.h> | |
47 | # include <errno.h> | |
d02b48c6 | 48 | |
0f113f3e | 49 | # include "e_os.h" |
c21c7830 | 50 | # if defined(__unix) || defined(__unix__) |
a230b26e | 51 | # include <sys/time.h> /* struct timeval for DTLS */ |
c21c7830 | 52 | # endif |
d02b48c6 | 53 | |
0f113f3e | 54 | # include <openssl/buffer.h> |
3c27208f | 55 | # include <openssl/comp.h> |
0f113f3e MC |
56 | # include <openssl/bio.h> |
57 | # include <openssl/stack.h> | |
3c27208f RS |
58 | # include <openssl/rsa.h> |
59 | # include <openssl/dsa.h> | |
0f113f3e MC |
60 | # include <openssl/err.h> |
61 | # include <openssl/ssl.h> | |
07bbc92c | 62 | # include <openssl/async.h> |
0f113f3e | 63 | # include <openssl/symhacks.h> |
3c27208f | 64 | # include <openssl/ct.h> |
a230b26e EK |
65 | # include "record/record.h" |
66 | # include "statem/statem.h" | |
67 | # include "packet_locl.h" | |
68 | # include "internal/dane.h" | |
2f545ae4 | 69 | # include "internal/refcount.h" |
52e1d7b1 | 70 | |
0f113f3e MC |
71 | # ifdef OPENSSL_BUILD_SHLIBSSL |
72 | # undef OPENSSL_EXTERN | |
73 | # define OPENSSL_EXTERN OPENSSL_EXPORT | |
74 | # endif | |
26da3e65 | 75 | |
0f113f3e | 76 | # undef PKCS1_CHECK |
d02b48c6 | 77 | |
0f113f3e MC |
78 | # define c2l(c,l) (l = ((unsigned long)(*((c)++))) , \ |
79 | l|=(((unsigned long)(*((c)++)))<< 8), \ | |
80 | l|=(((unsigned long)(*((c)++)))<<16), \ | |
81 | l|=(((unsigned long)(*((c)++)))<<24)) | |
d02b48c6 RE |
82 | |
83 | /* NOTE - c is not incremented as per c2l */ | |
0f113f3e MC |
84 | # define c2ln(c,l1,l2,n) { \ |
85 | c+=n; \ | |
86 | l1=l2=0; \ | |
87 | switch (n) { \ | |
88 | case 8: l2 =((unsigned long)(*(--(c))))<<24; \ | |
89 | case 7: l2|=((unsigned long)(*(--(c))))<<16; \ | |
90 | case 6: l2|=((unsigned long)(*(--(c))))<< 8; \ | |
91 | case 5: l2|=((unsigned long)(*(--(c)))); \ | |
92 | case 4: l1 =((unsigned long)(*(--(c))))<<24; \ | |
93 | case 3: l1|=((unsigned long)(*(--(c))))<<16; \ | |
94 | case 2: l1|=((unsigned long)(*(--(c))))<< 8; \ | |
95 | case 1: l1|=((unsigned long)(*(--(c)))); \ | |
96 | } \ | |
97 | } | |
98 | ||
99 | # define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \ | |
100 | *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ | |
101 | *((c)++)=(unsigned char)(((l)>>16)&0xff), \ | |
102 | *((c)++)=(unsigned char)(((l)>>24)&0xff)) | |
103 | ||
104 | # define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24, \ | |
105 | l|=((unsigned long)(*((c)++)))<<16, \ | |
106 | l|=((unsigned long)(*((c)++)))<< 8, \ | |
107 | l|=((unsigned long)(*((c)++)))) | |
108 | ||
31c34a3e DW |
109 | # define n2l8(c,l) (l =((uint64_t)(*((c)++)))<<56, \ |
110 | l|=((uint64_t)(*((c)++)))<<48, \ | |
111 | l|=((uint64_t)(*((c)++)))<<40, \ | |
112 | l|=((uint64_t)(*((c)++)))<<32, \ | |
113 | l|=((uint64_t)(*((c)++)))<<24, \ | |
114 | l|=((uint64_t)(*((c)++)))<<16, \ | |
115 | l|=((uint64_t)(*((c)++)))<< 8, \ | |
116 | l|=((uint64_t)(*((c)++)))) | |
117 | ||
118 | ||
0f113f3e MC |
119 | # define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24)&0xff), \ |
120 | *((c)++)=(unsigned char)(((l)>>16)&0xff), \ | |
121 | *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ | |
122 | *((c)++)=(unsigned char)(((l) )&0xff)) | |
123 | ||
124 | # define l2n6(l,c) (*((c)++)=(unsigned char)(((l)>>40)&0xff), \ | |
125 | *((c)++)=(unsigned char)(((l)>>32)&0xff), \ | |
126 | *((c)++)=(unsigned char)(((l)>>24)&0xff), \ | |
127 | *((c)++)=(unsigned char)(((l)>>16)&0xff), \ | |
128 | *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ | |
129 | *((c)++)=(unsigned char)(((l) )&0xff)) | |
130 | ||
131 | # define l2n8(l,c) (*((c)++)=(unsigned char)(((l)>>56)&0xff), \ | |
132 | *((c)++)=(unsigned char)(((l)>>48)&0xff), \ | |
133 | *((c)++)=(unsigned char)(((l)>>40)&0xff), \ | |
134 | *((c)++)=(unsigned char)(((l)>>32)&0xff), \ | |
135 | *((c)++)=(unsigned char)(((l)>>24)&0xff), \ | |
136 | *((c)++)=(unsigned char)(((l)>>16)&0xff), \ | |
137 | *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ | |
138 | *((c)++)=(unsigned char)(((l) )&0xff)) | |
139 | ||
d02b48c6 | 140 | /* NOTE - c is not incremented as per l2c */ |
0f113f3e MC |
141 | # define l2cn(l1,l2,c,n) { \ |
142 | c+=n; \ | |
143 | switch (n) { \ | |
144 | case 8: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \ | |
145 | case 7: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \ | |
146 | case 6: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \ | |
147 | case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \ | |
148 | case 4: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \ | |
149 | case 3: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \ | |
150 | case 2: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \ | |
151 | case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \ | |
152 | } \ | |
153 | } | |
154 | ||
d4450e4b MC |
155 | # define n2s(c,s) ((s=(((unsigned int)((c)[0]))<< 8)| \ |
156 | (((unsigned int)((c)[1])) )),(c)+=2) | |
157 | # define s2n(s,c) (((c)[0]=(unsigned char)(((s)>> 8)&0xff), \ | |
158 | (c)[1]=(unsigned char)(((s) )&0xff)),(c)+=2) | |
159 | ||
160 | # define n2l3(c,l) ((l =(((unsigned long)((c)[0]))<<16)| \ | |
161 | (((unsigned long)((c)[1]))<< 8)| \ | |
162 | (((unsigned long)((c)[2])) )),(c)+=3) | |
163 | ||
164 | # define l2n3(l,c) (((c)[0]=(unsigned char)(((l)>>16)&0xff), \ | |
165 | (c)[1]=(unsigned char)(((l)>> 8)&0xff), \ | |
166 | (c)[2]=(unsigned char)(((l) )&0xff)),(c)+=3) | |
d02b48c6 | 167 | |
a230b26e EK |
168 | /* |
169 | * DTLS version numbers are strange because they're inverted. Except for | |
170 | * DTLS1_BAD_VER, which should be considered "lower" than the rest. | |
171 | */ | |
172 | # define dtls_ver_ordinal(v1) (((v1) == DTLS1_BAD_VER) ? 0xff00 : (v1)) | |
173 | # define DTLS_VERSION_GT(v1, v2) (dtls_ver_ordinal(v1) < dtls_ver_ordinal(v2)) | |
174 | # define DTLS_VERSION_GE(v1, v2) (dtls_ver_ordinal(v1) <= dtls_ver_ordinal(v2)) | |
175 | # define DTLS_VERSION_LT(v1, v2) (dtls_ver_ordinal(v1) > dtls_ver_ordinal(v2)) | |
176 | # define DTLS_VERSION_LE(v1, v2) (dtls_ver_ordinal(v1) >= dtls_ver_ordinal(v2)) | |
7946ab33 | 177 | |
d02b48c6 RE |
178 | /* LOCAL STUFF */ |
179 | ||
0f113f3e MC |
180 | # define SSL_DECRYPT 0 |
181 | # define SSL_ENCRYPT 1 | |
d02b48c6 | 182 | |
0f113f3e MC |
183 | # define TWO_BYTE_BIT 0x80 |
184 | # define SEC_ESC_BIT 0x40 | |
185 | # define TWO_BYTE_MASK 0x7fff | |
186 | # define THREE_BYTE_MASK 0x3fff | |
d02b48c6 | 187 | |
0f113f3e MC |
188 | # define INC32(a) ((a)=((a)+1)&0xffffffffL) |
189 | # define DEC32(a) ((a)=((a)-1)&0xffffffffL) | |
190 | # define MAX_MAC_SIZE 20 /* up from 16 for SSLv3 */ | |
d02b48c6 | 191 | |
018e57c7 DSH |
192 | /* |
193 | * Define the Bitmasks for SSL_CIPHER.algorithms. | |
194 | * This bits are used packed as dense as possible. If new methods/ciphers | |
195 | * etc will be added, the bits a likely to change, so this information | |
196 | * is for internal library use only, even though SSL_CIPHER.algorithms | |
197 | * can be publicly accessed. | |
198 | * Use the according functions for cipher management instead. | |
199 | * | |
657e60fa | 200 | * The bit mask handling in the selection and sorting scheme in |
018e57c7 | 201 | * ssl_create_cipher_list() has only limited capabilities, reflecting |
657e60fa | 202 | * that the different entities within are mutually exclusive: |
018e57c7 DSH |
203 | * ONLY ONE BIT PER MASK CAN BE SET AT A TIME. |
204 | */ | |
52b8dad8 BM |
205 | |
206 | /* Bits for algorithm_mkey (key exchange algorithm) */ | |
68d39f3c | 207 | /* RSA key exchange */ |
36e79832 | 208 | # define SSL_kRSA 0x00000001U |
68d39f3c | 209 | /* tmp DH key no DH cert */ |
bc71f910 | 210 | # define SSL_kDHE 0x00000002U |
68d39f3c | 211 | /* synonym */ |
0f113f3e | 212 | # define SSL_kEDH SSL_kDHE |
68d39f3c | 213 | /* ephemeral ECDH */ |
ce0c1f2b | 214 | # define SSL_kECDHE 0x00000004U |
68d39f3c | 215 | /* synonym */ |
0f113f3e | 216 | # define SSL_kEECDH SSL_kECDHE |
68d39f3c | 217 | /* PSK */ |
ce0c1f2b | 218 | # define SSL_kPSK 0x00000008U |
68d39f3c | 219 | /* GOST key exchange */ |
ce0c1f2b | 220 | # define SSL_kGOST 0x00000010U |
68d39f3c | 221 | /* SRP */ |
ce0c1f2b | 222 | # define SSL_kSRP 0x00000020U |
52b8dad8 | 223 | |
ce0c1f2b DSH |
224 | # define SSL_kRSAPSK 0x00000040U |
225 | # define SSL_kECDHEPSK 0x00000080U | |
226 | # define SSL_kDHEPSK 0x00000100U | |
64651d39 DSH |
227 | |
228 | /* all PSK */ | |
229 | ||
a230b26e | 230 | # define SSL_PSK (SSL_kPSK | SSL_kRSAPSK | SSL_kECDHEPSK | SSL_kDHEPSK) |
64651d39 | 231 | |
52b8dad8 | 232 | /* Bits for algorithm_auth (server authentication) */ |
68d39f3c | 233 | /* RSA auth */ |
36e79832 | 234 | # define SSL_aRSA 0x00000001U |
68d39f3c | 235 | /* DSS auth */ |
36e79832 | 236 | # define SSL_aDSS 0x00000002U |
68d39f3c | 237 | /* no auth (i.e. use ADH or AECDH) */ |
36e79832 | 238 | # define SSL_aNULL 0x00000004U |
68d39f3c | 239 | /* ECDSA auth*/ |
ce0c1f2b | 240 | # define SSL_aECDSA 0x00000008U |
68d39f3c | 241 | /* PSK auth */ |
ce0c1f2b | 242 | # define SSL_aPSK 0x00000010U |
68d39f3c | 243 | /* GOST R 34.10-2001 signature auth */ |
ce0c1f2b | 244 | # define SSL_aGOST01 0x00000020U |
68d39f3c | 245 | /* SRP auth */ |
ce0c1f2b | 246 | # define SSL_aSRP 0x00000040U |
e44380a9 | 247 | /* GOST R 34.10-2012 signature auth */ |
ce0c1f2b | 248 | # define SSL_aGOST12 0x00000080U |
52b8dad8 BM |
249 | |
250 | /* Bits for algorithm_enc (symmetric encryption) */ | |
36e79832 DSH |
251 | # define SSL_DES 0x00000001U |
252 | # define SSL_3DES 0x00000002U | |
253 | # define SSL_RC4 0x00000004U | |
254 | # define SSL_RC2 0x00000008U | |
255 | # define SSL_IDEA 0x00000010U | |
256 | # define SSL_eNULL 0x00000020U | |
257 | # define SSL_AES128 0x00000040U | |
258 | # define SSL_AES256 0x00000080U | |
259 | # define SSL_CAMELLIA128 0x00000100U | |
260 | # define SSL_CAMELLIA256 0x00000200U | |
261 | # define SSL_eGOST2814789CNT 0x00000400U | |
262 | # define SSL_SEED 0x00000800U | |
263 | # define SSL_AES128GCM 0x00001000U | |
264 | # define SSL_AES256GCM 0x00002000U | |
265 | # define SSL_AES128CCM 0x00004000U | |
266 | # define SSL_AES256CCM 0x00008000U | |
267 | # define SSL_AES128CCM8 0x00010000U | |
268 | # define SSL_AES256CCM8 0x00020000U | |
e44380a9 | 269 | # define SSL_eGOST2814789CNT12 0x00040000U |
a76ba82c | 270 | # define SSL_CHACHA20POLY1305 0x00080000U |
0f113f3e | 271 | |
a556f342 EK |
272 | # define SSL_AESGCM (SSL_AES128GCM | SSL_AES256GCM) |
273 | # define SSL_AESCCM (SSL_AES128CCM | SSL_AES256CCM | SSL_AES128CCM8 | SSL_AES256CCM8) | |
274 | # define SSL_AES (SSL_AES128|SSL_AES256|SSL_AESGCM|SSL_AESCCM) | |
0f113f3e | 275 | # define SSL_CAMELLIA (SSL_CAMELLIA128|SSL_CAMELLIA256) |
1c37fd96 | 276 | # define SSL_CHACHA20 (SSL_CHACHA20POLY1305) |
52b8dad8 BM |
277 | |
278 | /* Bits for algorithm_mac (symmetric authentication) */ | |
28dd49fa | 279 | |
36e79832 DSH |
280 | # define SSL_MD5 0x00000001U |
281 | # define SSL_SHA1 0x00000002U | |
282 | # define SSL_GOST94 0x00000004U | |
283 | # define SSL_GOST89MAC 0x00000008U | |
284 | # define SSL_SHA256 0x00000010U | |
285 | # define SSL_SHA384 0x00000020U | |
28dd49fa | 286 | /* Not a real MAC, just an indication it is part of cipher */ |
36e79832 | 287 | # define SSL_AEAD 0x00000040U |
e44380a9 DB |
288 | # define SSL_GOST12_256 0x00000080U |
289 | # define SSL_GOST89MAC12 0x00000100U | |
290 | # define SSL_GOST12_512 0x00000200U | |
52b8dad8 | 291 | |
0f113f3e | 292 | /* |
e44380a9 | 293 | * When adding new digest in the ssl_ciph.c and increment SSL_MD_NUM_IDX make |
0f113f3e MC |
294 | * sure to update this constant too |
295 | */ | |
28ba2541 DSH |
296 | |
297 | # define SSL_MD_MD5_IDX 0 | |
298 | # define SSL_MD_SHA1_IDX 1 | |
299 | # define SSL_MD_GOST94_IDX 2 | |
300 | # define SSL_MD_GOST89MAC_IDX 3 | |
301 | # define SSL_MD_SHA256_IDX 4 | |
302 | # define SSL_MD_SHA384_IDX 5 | |
303 | # define SSL_MD_GOST12_256_IDX 6 | |
304 | # define SSL_MD_GOST89MAC12_IDX 7 | |
305 | # define SSL_MD_GOST12_512_IDX 8 | |
306 | # define SSL_MD_MD5_SHA1_IDX 9 | |
7afd2312 DSH |
307 | # define SSL_MD_SHA224_IDX 10 |
308 | # define SSL_MD_SHA512_IDX 11 | |
309 | # define SSL_MAX_DIGEST 12 | |
28ba2541 DSH |
310 | |
311 | /* Bits for algorithm2 (handshake digests and other extra flags) */ | |
312 | ||
313 | /* Bits 0-7 are handshake MAC */ | |
314 | # define SSL_HANDSHAKE_MAC_MASK 0xFF | |
315 | # define SSL_HANDSHAKE_MAC_MD5_SHA1 SSL_MD_MD5_SHA1_IDX | |
316 | # define SSL_HANDSHAKE_MAC_SHA256 SSL_MD_SHA256_IDX | |
317 | # define SSL_HANDSHAKE_MAC_SHA384 SSL_MD_SHA384_IDX | |
318 | # define SSL_HANDSHAKE_MAC_GOST94 SSL_MD_GOST94_IDX | |
319 | # define SSL_HANDSHAKE_MAC_GOST12_256 SSL_MD_GOST12_256_IDX | |
320 | # define SSL_HANDSHAKE_MAC_GOST12_512 SSL_MD_GOST12_512_IDX | |
321 | # define SSL_HANDSHAKE_MAC_DEFAULT SSL_HANDSHAKE_MAC_MD5_SHA1 | |
322 | ||
323 | /* Bits 8-15 bits are PRF */ | |
324 | # define TLS1_PRF_DGST_SHIFT 8 | |
325 | # define TLS1_PRF_SHA1_MD5 (SSL_MD_MD5_SHA1_IDX << TLS1_PRF_DGST_SHIFT) | |
326 | # define TLS1_PRF_SHA256 (SSL_MD_SHA256_IDX << TLS1_PRF_DGST_SHIFT) | |
327 | # define TLS1_PRF_SHA384 (SSL_MD_SHA384_IDX << TLS1_PRF_DGST_SHIFT) | |
328 | # define TLS1_PRF_GOST94 (SSL_MD_GOST94_IDX << TLS1_PRF_DGST_SHIFT) | |
329 | # define TLS1_PRF_GOST12_256 (SSL_MD_GOST12_256_IDX << TLS1_PRF_DGST_SHIFT) | |
330 | # define TLS1_PRF_GOST12_512 (SSL_MD_GOST12_512_IDX << TLS1_PRF_DGST_SHIFT) | |
331 | # define TLS1_PRF (SSL_MD_MD5_SHA1_IDX << TLS1_PRF_DGST_SHIFT) | |
761772d7 | 332 | |
0f113f3e MC |
333 | /* |
334 | * Stream MAC for GOST ciphersuites from cryptopro draft (currently this also | |
335 | * goes into algorithm2) | |
336 | */ | |
28ba2541 | 337 | # define TLS1_STREAM_MAC 0x10000 |
761772d7 | 338 | |
88a9614b | 339 | # define SSL_STRONG_MASK 0x0000001FU |
361a1191 | 340 | # define SSL_DEFAULT_MASK 0X00000020U |
c84f7f4a | 341 | |
361a1191 KR |
342 | # define SSL_STRONG_NONE 0x00000001U |
343 | # define SSL_LOW 0x00000002U | |
344 | # define SSL_MEDIUM 0x00000004U | |
345 | # define SSL_HIGH 0x00000008U | |
346 | # define SSL_FIPS 0x00000010U | |
347 | # define SSL_NOT_DEFAULT 0x00000020U | |
018e57c7 | 348 | |
361a1191 | 349 | /* we have used 0000003f - 26 bits left to go */ |
d02b48c6 | 350 | |
34f7245b MC |
351 | /* Flag used on OpenSSL ciphersuite ids to indicate they are for SSLv3+ */ |
352 | # define SSL3_CK_CIPHERSUITE_FLAG 0x03000000 | |
353 | ||
890f2f8b | 354 | /* Check if an SSL structure is using DTLS */ |
0f113f3e | 355 | # define SSL_IS_DTLS(s) (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS) |
f2342b7a MC |
356 | |
357 | /* Check if we are using TLSv1.3 */ | |
c805f618 MC |
358 | # define SSL_IS_TLS13(s) (!SSL_IS_DTLS(s) \ |
359 | && (s)->method->version >= TLS1_3_VERSION \ | |
360 | && (s)->method->version != TLS_ANY_VERSION) | |
f2342b7a | 361 | |
c7f47786 MC |
362 | # define SSL_IS_FIRST_HANDSHAKE(S) ((s)->s3->tmp.finish_md_len == 0) |
363 | ||
cbd64894 | 364 | /* See if we need explicit IV */ |
0f113f3e MC |
365 | # define SSL_USE_EXPLICIT_IV(s) \ |
366 | (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_EXPLICIT_IV) | |
367 | /* | |
368 | * See if we use signature algorithms extension and signature algorithm | |
369 | * before signatures. | |
cbd64894 | 370 | */ |
0f113f3e MC |
371 | # define SSL_USE_SIGALGS(s) \ |
372 | (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_SIGALGS) | |
373 | /* | |
374 | * Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2: may | |
375 | * apply to others in future. | |
4221c0dd | 376 | */ |
0f113f3e MC |
377 | # define SSL_USE_TLS1_2_CIPHERS(s) \ |
378 | (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_TLS1_2_CIPHERS) | |
379 | /* | |
380 | * Determine if a client can use TLS 1.2 ciphersuites: can't rely on method | |
1e2d4cb0 DSH |
381 | * flags because it may not be set to correct version yet. |
382 | */ | |
0f113f3e | 383 | # define SSL_CLIENT_USE_TLS1_2_CIPHERS(s) \ |
4fa52141 VD |
384 | ((!SSL_IS_DTLS(s) && s->client_version >= TLS1_2_VERSION) || \ |
385 | (SSL_IS_DTLS(s) && DTLS_VERSION_GE(s->client_version, DTLS1_2_VERSION))) | |
f7aa3185 DB |
386 | /* |
387 | * Determine if a client should send signature algorithms extension: | |
388 | * as with TLS1.2 cipher we can't rely on method flags. | |
389 | */ | |
390 | # define SSL_CLIENT_USE_SIGALGS(s) \ | |
391 | SSL_CLIENT_USE_TLS1_2_CIPHERS(s) | |
0f113f3e | 392 | |
a230b26e | 393 | # define SSL_USE_ETM(s) (s->s3->flags & TLS1_FLAGS_ENCRYPT_THEN_MAC) |
5e3ff62c | 394 | |
d02b48c6 | 395 | /* Mostly for SSLv3 */ |
0f113f3e MC |
396 | # define SSL_PKEY_RSA_ENC 0 |
397 | # define SSL_PKEY_RSA_SIGN 1 | |
398 | # define SSL_PKEY_DSA_SIGN 2 | |
bc71f910 DSH |
399 | # define SSL_PKEY_ECC 3 |
400 | # define SSL_PKEY_GOST01 4 | |
401 | # define SSL_PKEY_GOST12_256 5 | |
402 | # define SSL_PKEY_GOST12_512 6 | |
403 | # define SSL_PKEY_NUM 7 | |
e44380a9 DB |
404 | /* |
405 | * Pseudo-constant. GOST cipher suites can use different certs for 1 | |
406 | * SSL_CIPHER. So let's see which one we have in fact. | |
407 | */ | |
408 | # define SSL_PKEY_GOST_EC SSL_PKEY_NUM+1 | |
d02b48c6 | 409 | |
1d97c843 | 410 | /*- |
361a1191 | 411 | * SSL_kRSA <- RSA_ENC |
d02b48c6 | 412 | * SSL_kDH <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN) |
5a21cadb | 413 | * SSL_kDHE <- RSA_ENC | RSA_SIGN | DSA_SIGN |
d02b48c6 RE |
414 | * SSL_aRSA <- RSA_ENC | RSA_SIGN |
415 | * SSL_aDSS <- DSA_SIGN | |
416 | */ | |
417 | ||
23a22b4c | 418 | /*- |
0f113f3e MC |
419 | #define CERT_INVALID 0 |
420 | #define CERT_PUBLIC_KEY 1 | |
421 | #define CERT_PRIVATE_KEY 2 | |
d02b48c6 RE |
422 | */ |
423 | ||
e9fa092e | 424 | /* CipherSuite length. SSLv3 and all TLS versions. */ |
a230b26e | 425 | # define TLS_CIPHER_LEN 2 |
b6ba4014 MC |
426 | /* used to hold info on the particular ciphers used */ |
427 | struct ssl_cipher_st { | |
90d9e49a | 428 | uint32_t valid; |
a230b26e EK |
429 | const char *name; /* text name */ |
430 | uint32_t id; /* id, 4 bytes, first is version */ | |
b6ba4014 | 431 | /* |
90d9e49a | 432 | * changed in 1.0.0: these four used to be portions of a single value |
b6ba4014 MC |
433 | * 'algorithms' |
434 | */ | |
a230b26e EK |
435 | uint32_t algorithm_mkey; /* key exchange algorithm */ |
436 | uint32_t algorithm_auth; /* server authentication */ | |
437 | uint32_t algorithm_enc; /* symmetric encryption */ | |
438 | uint32_t algorithm_mac; /* symmetric authentication */ | |
439 | int min_tls; /* minimum SSL/TLS protocol version */ | |
440 | int max_tls; /* maximum SSL/TLS protocol version */ | |
441 | int min_dtls; /* minimum DTLS protocol version */ | |
442 | int max_dtls; /* maximum DTLS protocol version */ | |
443 | uint32_t algo_strength; /* strength and export flags */ | |
444 | uint32_t algorithm2; /* Extra flags */ | |
445 | int32_t strength_bits; /* Number of bits really used */ | |
446 | uint32_t alg_bits; /* Number of bits for algorithm */ | |
b6ba4014 MC |
447 | }; |
448 | ||
87d9cafa | 449 | /* Used to hold SSL/TLS functions */ |
b6ba4014 MC |
450 | struct ssl_method_st { |
451 | int version; | |
4fa52141 VD |
452 | unsigned flags; |
453 | unsigned long mask; | |
b6ba4014 MC |
454 | int (*ssl_new) (SSL *s); |
455 | void (*ssl_clear) (SSL *s); | |
456 | void (*ssl_free) (SSL *s); | |
457 | int (*ssl_accept) (SSL *s); | |
458 | int (*ssl_connect) (SSL *s); | |
54105ddd MC |
459 | int (*ssl_read) (SSL *s, void *buf, size_t len, size_t *readbytes); |
460 | int (*ssl_peek) (SSL *s, void *buf, size_t len, size_t *readbytes); | |
7ee8627f | 461 | int (*ssl_write) (SSL *s, const void *buf, size_t len, size_t *written); |
b6ba4014 MC |
462 | int (*ssl_shutdown) (SSL *s); |
463 | int (*ssl_renegotiate) (SSL *s); | |
c7f47786 | 464 | int (*ssl_renegotiate_check) (SSL *s, int); |
657da85e | 465 | int (*ssl_read_bytes) (SSL *s, int type, int *recvd_type, |
eda75751 | 466 | unsigned char *buf, size_t len, int peek, |
54105ddd | 467 | size_t *readbytes); |
7ee8627f MC |
468 | int (*ssl_write_bytes) (SSL *s, int type, const void *buf_, size_t len, |
469 | size_t *written); | |
b6ba4014 MC |
470 | int (*ssl_dispatch_alert) (SSL *s); |
471 | long (*ssl_ctrl) (SSL *s, int cmd, long larg, void *parg); | |
472 | long (*ssl_ctx_ctrl) (SSL_CTX *ctx, int cmd, long larg, void *parg); | |
473 | const SSL_CIPHER *(*get_cipher_by_char) (const unsigned char *ptr); | |
ae2f7b37 | 474 | int (*put_cipher_by_char) (const SSL_CIPHER *cipher, WPACKET *pkt, |
2c7b4dbc | 475 | size_t *len); |
8b0e934a | 476 | size_t (*ssl_pending) (const SSL *s); |
b6ba4014 MC |
477 | int (*num_ciphers) (void); |
478 | const SSL_CIPHER *(*get_cipher) (unsigned ncipher); | |
b6ba4014 MC |
479 | long (*get_timeout) (void); |
480 | const struct ssl3_enc_method *ssl3_enc; /* Extra SSLv3/TLS stuff */ | |
481 | int (*ssl_version) (void); | |
482 | long (*ssl_callback_ctrl) (SSL *s, int cb_id, void (*fp) (void)); | |
483 | long (*ssl_ctx_callback_ctrl) (SSL_CTX *s, int cb_id, void (*fp) (void)); | |
484 | }; | |
485 | ||
486 | /*- | |
487 | * Lets make this into an ASN.1 type structure as follows | |
488 | * SSL_SESSION_ID ::= SEQUENCE { | |
489 | * version INTEGER, -- structure version number | |
490 | * SSLversion INTEGER, -- SSL version number | |
491 | * Cipher OCTET STRING, -- the 3 byte cipher ID | |
492 | * Session_ID OCTET STRING, -- the Session ID | |
493 | * Master_key OCTET STRING, -- the master key | |
b6ba4014 MC |
494 | * Key_Arg [ 0 ] IMPLICIT OCTET STRING, -- the optional Key argument |
495 | * Time [ 1 ] EXPLICIT INTEGER, -- optional Start Time | |
496 | * Timeout [ 2 ] EXPLICIT INTEGER, -- optional Timeout ins seconds | |
497 | * Peer [ 3 ] EXPLICIT X509, -- optional Peer Certificate | |
498 | * Session_ID_context [ 4 ] EXPLICIT OCTET STRING, -- the Session ID context | |
499 | * Verify_result [ 5 ] EXPLICIT INTEGER, -- X509_V_... code for `Peer' | |
500 | * HostName [ 6 ] EXPLICIT OCTET STRING, -- optional HostName from servername TLS extension | |
501 | * PSK_identity_hint [ 7 ] EXPLICIT OCTET STRING, -- optional PSK identity hint | |
502 | * PSK_identity [ 8 ] EXPLICIT OCTET STRING, -- optional PSK identity | |
503 | * Ticket_lifetime_hint [9] EXPLICIT INTEGER, -- server's lifetime hint for session ticket | |
504 | * Ticket [10] EXPLICIT OCTET STRING, -- session ticket (clients only) | |
505 | * Compression_meth [11] EXPLICIT OCTET STRING, -- optional compression method | |
506 | * SRP_username [ 12 ] EXPLICIT OCTET STRING -- optional SRP username | |
6f152a15 | 507 | * flags [ 13 ] EXPLICIT INTEGER -- optional flags |
b6ba4014 MC |
508 | * } |
509 | * Look in ssl/ssl_asn1.c for more details | |
510 | * I'm using EXPLICIT tags so I can read the damn things using asn1parse :-). | |
511 | */ | |
512 | struct ssl_session_st { | |
a230b26e EK |
513 | int ssl_version; /* what ssl version session info is being kept |
514 | * in here? */ | |
8c1a5343 | 515 | size_t master_key_length; |
ec15acb6 MC |
516 | |
517 | /* | |
518 | * For <=TLS1.2 this is the master_key. For TLS1.3 this is the resumption | |
519 | * master secret | |
520 | */ | |
1a3392c8 | 521 | unsigned char master_key[TLS13_MAX_RESUMPTION_MASTER_LENGTH]; |
b6ba4014 | 522 | /* session_id - valid? */ |
ec60ccc1 | 523 | size_t session_id_length; |
b6ba4014 MC |
524 | unsigned char session_id[SSL_MAX_SSL_SESSION_ID_LENGTH]; |
525 | /* | |
526 | * this is used to determine whether the session is being reused in the | |
527 | * appropriate context. It is up to the application to set this, via | |
528 | * SSL_new | |
529 | */ | |
ec60ccc1 | 530 | size_t sid_ctx_length; |
b6ba4014 | 531 | unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH]; |
b6ba4014 MC |
532 | # ifndef OPENSSL_NO_PSK |
533 | char *psk_identity_hint; | |
534 | char *psk_identity; | |
535 | # endif | |
536 | /* | |
537 | * Used to indicate that session resumption is not allowed. Applications | |
538 | * can also set this bit for a new session via not_resumable_session_cb | |
539 | * to disable session caching and tickets. | |
540 | */ | |
541 | int not_resumable; | |
a273c6ee | 542 | /* This is the cert and type for the other end. */ |
b6ba4014 | 543 | X509 *peer; |
a273c6ee | 544 | int peer_type; |
696178ed | 545 | /* Certificate chain peer sent */ |
c34b0f99 | 546 | STACK_OF(X509) *peer_chain; |
b6ba4014 MC |
547 | /* |
548 | * when app_verify_callback accepts a session where the peer's | |
549 | * certificate is not ok, we must remember the error for session reuse: | |
550 | */ | |
551 | long verify_result; /* only for servers */ | |
2f545ae4 | 552 | CRYPTO_REF_COUNT references; |
b6ba4014 MC |
553 | long timeout; |
554 | long time; | |
555 | unsigned int compress_meth; /* Need to lookup the method */ | |
556 | const SSL_CIPHER *cipher; | |
a230b26e EK |
557 | unsigned long cipher_id; /* when ASN.1 loaded, this needs to be used to |
558 | * load the 'cipher' structure */ | |
b6ba4014 MC |
559 | STACK_OF(SSL_CIPHER) *ciphers; /* shared ciphers? */ |
560 | CRYPTO_EX_DATA ex_data; /* application specific data */ | |
561 | /* | |
562 | * These are used to make removal of session-ids more efficient and to | |
563 | * implement a maximum cache size. | |
564 | */ | |
565 | struct ssl_session_st *prev, *next; | |
aff8c126 RS |
566 | |
567 | struct { | |
568 | char *hostname; | |
e481f9b9 | 569 | # ifndef OPENSSL_NO_EC |
aff8c126 RS |
570 | size_t ecpointformats_len; |
571 | unsigned char *ecpointformats; /* peer's list */ | |
572 | size_t supportedgroups_len; | |
573 | unsigned char *supportedgroups; /* peer's list */ | |
a230b26e | 574 | # endif /* OPENSSL_NO_EC */ |
b6ba4014 | 575 | /* RFC4507 info */ |
aff8c126 RS |
576 | unsigned char *tick; /* Session ticket */ |
577 | size_t ticklen; /* Session ticket length */ | |
578 | /* Session lifetime hint in seconds */ | |
579 | unsigned long tick_lifetime_hint; | |
fc24f0bf | 580 | uint32_t tick_age_add; |
ec15acb6 | 581 | int tick_identity; |
aff8c126 | 582 | } ext; |
b6ba4014 MC |
583 | # ifndef OPENSSL_NO_SRP |
584 | char *srp_username; | |
585 | # endif | |
f7d53487 | 586 | uint32_t flags; |
16203f7b | 587 | CRYPTO_RWLOCK *lock; |
b6ba4014 MC |
588 | }; |
589 | ||
6f152a15 | 590 | /* Extended master secret support */ |
a230b26e | 591 | # define SSL_SESS_FLAG_EXTMS 0x1 |
b6ba4014 MC |
592 | |
593 | # ifndef OPENSSL_NO_SRP | |
594 | ||
595 | typedef struct srp_ctx_st { | |
596 | /* param for all the callbacks */ | |
597 | void *SRP_cb_arg; | |
598 | /* set client Hello login callback */ | |
599 | int (*TLS_ext_srp_username_callback) (SSL *, int *, void *); | |
600 | /* set SRP N/g param callback for verification */ | |
601 | int (*SRP_verify_param_callback) (SSL *, void *); | |
602 | /* set SRP client passwd callback */ | |
603 | char *(*SRP_give_srp_client_pwd_callback) (SSL *, void *); | |
604 | char *login; | |
605 | BIGNUM *N, *g, *s, *B, *A; | |
606 | BIGNUM *a, *b, *v; | |
607 | char *info; | |
608 | int strength; | |
609 | unsigned long srp_Mask; | |
610 | } SRP_CTX; | |
611 | ||
612 | # endif | |
613 | ||
b6ba4014 MC |
614 | struct ssl_comp_st { |
615 | int id; | |
616 | const char *name; | |
b6ba4014 | 617 | COMP_METHOD *method; |
b6ba4014 MC |
618 | }; |
619 | ||
89d6aa10 | 620 | DEFINE_LHASH_OF(SSL_SESSION); |
ce023e77 VD |
621 | /* Needed in ssl_cert.c */ |
622 | DEFINE_LHASH_OF(X509_NAME); | |
f8e0a557 | 623 | |
a230b26e | 624 | # define TLSEXT_KEYNAME_LENGTH 16 |
d139723b | 625 | |
b6ba4014 MC |
626 | struct ssl_ctx_st { |
627 | const SSL_METHOD *method; | |
628 | STACK_OF(SSL_CIPHER) *cipher_list; | |
629 | /* same as above but sorted for lookup */ | |
630 | STACK_OF(SSL_CIPHER) *cipher_list_by_id; | |
631 | struct x509_store_st /* X509_STORE */ *cert_store; | |
632 | LHASH_OF(SSL_SESSION) *sessions; | |
633 | /* | |
634 | * Most session-ids that will be cached, default is | |
635 | * SSL_SESSION_CACHE_MAX_SIZE_DEFAULT. 0 is unlimited. | |
636 | */ | |
cb150cbc | 637 | size_t session_cache_size; |
b6ba4014 MC |
638 | struct ssl_session_st *session_cache_head; |
639 | struct ssl_session_st *session_cache_tail; | |
640 | /* | |
641 | * This can have one of 2 values, ored together, SSL_SESS_CACHE_CLIENT, | |
642 | * SSL_SESS_CACHE_SERVER, Default is SSL_SESSION_CACHE_SERVER, which | |
643 | * means only SSL_accept which cache SSL_SESSIONS. | |
644 | */ | |
f7d53487 | 645 | uint32_t session_cache_mode; |
b6ba4014 MC |
646 | /* |
647 | * If timeout is not 0, it is the default timeout value set when | |
648 | * SSL_new() is called. This has been put in to make life easier to set | |
649 | * things up | |
650 | */ | |
651 | long session_timeout; | |
652 | /* | |
653 | * If this callback is not null, it will be called each time a session id | |
654 | * is added to the cache. If this function returns 1, it means that the | |
655 | * callback will do a SSL_SESSION_free() when it has finished using it. | |
656 | * Otherwise, on 0, it means the callback has finished with it. If | |
657 | * remove_session_cb is not null, it will be called when a session-id is | |
658 | * removed from the cache. After the call, OpenSSL will | |
659 | * SSL_SESSION_free() it. | |
660 | */ | |
661 | int (*new_session_cb) (struct ssl_st *ssl, SSL_SESSION *sess); | |
662 | void (*remove_session_cb) (struct ssl_ctx_st *ctx, SSL_SESSION *sess); | |
663 | SSL_SESSION *(*get_session_cb) (struct ssl_st *ssl, | |
b6981744 EK |
664 | const unsigned char *data, int len, |
665 | int *copy); | |
b6ba4014 MC |
666 | struct { |
667 | int sess_connect; /* SSL new conn - started */ | |
668 | int sess_connect_renegotiate; /* SSL reneg - requested */ | |
669 | int sess_connect_good; /* SSL new conne/reneg - finished */ | |
670 | int sess_accept; /* SSL new accept - started */ | |
671 | int sess_accept_renegotiate; /* SSL reneg - requested */ | |
672 | int sess_accept_good; /* SSL accept/reneg - finished */ | |
673 | int sess_miss; /* session lookup misses */ | |
674 | int sess_timeout; /* reuse attempt on timeouted session */ | |
675 | int sess_cache_full; /* session removed due to full cache */ | |
676 | int sess_hit; /* session reuse actually done */ | |
677 | int sess_cb_hit; /* session-id that was not in the cache was | |
678 | * passed back via the callback. This | |
a230b26e EK |
679 | * indicates that the application is supplying |
680 | * session-id's from other processes - spooky | |
681 | * :-) */ | |
b6ba4014 MC |
682 | } stats; |
683 | ||
2f545ae4 | 684 | CRYPTO_REF_COUNT references; |
b6ba4014 MC |
685 | |
686 | /* if defined, these override the X509_verify_cert() calls */ | |
687 | int (*app_verify_callback) (X509_STORE_CTX *, void *); | |
688 | void *app_verify_arg; | |
689 | /* | |
690 | * before OpenSSL 0.9.7, 'app_verify_arg' was ignored | |
691 | * ('app_verify_callback' was called with just one argument) | |
692 | */ | |
693 | ||
694 | /* Default password callback. */ | |
695 | pem_password_cb *default_passwd_callback; | |
696 | ||
697 | /* Default password callback user data. */ | |
698 | void *default_passwd_callback_userdata; | |
699 | ||
700 | /* get client cert callback */ | |
701 | int (*client_cert_cb) (SSL *ssl, X509 **x509, EVP_PKEY **pkey); | |
702 | ||
703 | /* cookie generate callback */ | |
704 | int (*app_gen_cookie_cb) (SSL *ssl, unsigned char *cookie, | |
705 | unsigned int *cookie_len); | |
706 | ||
707 | /* verify cookie callback */ | |
31011544 | 708 | int (*app_verify_cookie_cb) (SSL *ssl, const unsigned char *cookie, |
b6ba4014 MC |
709 | unsigned int cookie_len); |
710 | ||
711 | CRYPTO_EX_DATA ex_data; | |
712 | ||
713 | const EVP_MD *md5; /* For SSLv3/TLSv1 'ssl3-md5' */ | |
714 | const EVP_MD *sha1; /* For SSLv3/TLSv1 'ssl3->sha1' */ | |
715 | ||
716 | STACK_OF(X509) *extra_certs; | |
717 | STACK_OF(SSL_COMP) *comp_methods; /* stack of SSL_COMP, SSLv3/TLSv1 */ | |
718 | ||
719 | /* Default values used when no per-SSL value is defined follow */ | |
720 | ||
721 | /* used if SSL's info_callback is NULL */ | |
722 | void (*info_callback) (const SSL *ssl, int type, int val); | |
723 | ||
724 | /* what we put in client cert requests */ | |
725 | STACK_OF(X509_NAME) *client_CA; | |
726 | ||
727 | /* | |
728 | * Default values to use in SSL structures follow (these are copied by | |
729 | * SSL_new) | |
730 | */ | |
731 | ||
f7d53487 DSH |
732 | uint32_t options; |
733 | uint32_t mode; | |
7946ab33 KR |
734 | int min_proto_version; |
735 | int max_proto_version; | |
12472b45 | 736 | size_t max_cert_list; |
b6ba4014 MC |
737 | |
738 | struct cert_st /* CERT */ *cert; | |
739 | int read_ahead; | |
740 | ||
741 | /* callback that allows applications to peek at protocol messages */ | |
742 | void (*msg_callback) (int write_p, int version, int content_type, | |
743 | const void *buf, size_t len, SSL *ssl, void *arg); | |
744 | void *msg_callback_arg; | |
745 | ||
f7d53487 | 746 | uint32_t verify_mode; |
ec60ccc1 | 747 | size_t sid_ctx_length; |
b6ba4014 MC |
748 | unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH]; |
749 | /* called 'verify_callback' in the SSL */ | |
750 | int (*default_verify_callback) (int ok, X509_STORE_CTX *ctx); | |
751 | ||
752 | /* Default generate session ID callback. */ | |
753 | GEN_SESSION_CB generate_session_id; | |
754 | ||
755 | X509_VERIFY_PARAM *param; | |
756 | ||
757 | int quiet_shutdown; | |
758 | ||
a230b26e EK |
759 | # ifndef OPENSSL_NO_CT |
760 | CTLOG_STORE *ctlog_store; /* CT Log Store */ | |
ed29e82a | 761 | /* |
a230b26e EK |
762 | * Validates that the SCTs (Signed Certificate Timestamps) are sufficient. |
763 | * If they are not, the connection should be aborted. | |
764 | */ | |
43341433 | 765 | ssl_ct_validation_cb ct_validation_callback; |
ed29e82a | 766 | void *ct_validation_callback_arg; |
a230b26e | 767 | # endif |
ed29e82a | 768 | |
d102d9df MC |
769 | /* |
770 | * If we're using more than one pipeline how should we divide the data | |
771 | * up between the pipes? | |
772 | */ | |
7ee8627f | 773 | size_t split_send_fragment; |
b6ba4014 MC |
774 | /* |
775 | * Maximum amount of data to send in one fragment. actual record size can | |
776 | * be more than this due to padding and MAC overheads. | |
777 | */ | |
7ee8627f | 778 | size_t max_send_fragment; |
b6ba4014 | 779 | |
d102d9df | 780 | /* Up to how many pipelines should we use? If 0 then 1 is assumed */ |
7ee8627f | 781 | size_t max_pipelines; |
d102d9df | 782 | |
dad78fb1 MC |
783 | /* The default read buffer length to use (0 means not set) */ |
784 | size_t default_read_buf_len; | |
785 | ||
a230b26e | 786 | # ifndef OPENSSL_NO_ENGINE |
b6ba4014 MC |
787 | /* |
788 | * Engine to pass requests for client certs to | |
789 | */ | |
790 | ENGINE *client_cert_engine; | |
a230b26e | 791 | # endif |
b6ba4014 | 792 | |
aff8c126 RS |
793 | /* TLS extensions. */ |
794 | struct { | |
795 | /* TLS extensions servername callback */ | |
796 | int (*servername_cb) (SSL *, int *, void *); | |
797 | void *servername_arg; | |
798 | /* RFC 4507 session ticket keys */ | |
799 | unsigned char tick_key_name[TLSEXT_KEYNAME_LENGTH]; | |
800 | unsigned char tick_hmac_key[32]; | |
801 | unsigned char tick_aes_key[32]; | |
802 | /* Callback to support customisation of ticket key setting */ | |
803 | int (*ticket_key_cb) (SSL *ssl, | |
804 | unsigned char *name, unsigned char *iv, | |
805 | EVP_CIPHER_CTX *ectx, HMAC_CTX *hctx, int enc); | |
806 | ||
807 | /* certificate status request info */ | |
808 | /* Callback for status request */ | |
809 | int (*status_cb) (SSL *ssl, void *arg); | |
810 | void *status_arg; | |
811 | /* ext status type used for CSR extension (OCSP Stapling) */ | |
812 | int status_type; | |
b6ba4014 | 813 | |
aff8c126 RS |
814 | # ifndef OPENSSL_NO_EC |
815 | /* EC extension values inherited by SSL structure */ | |
816 | size_t ecpointformats_len; | |
817 | unsigned char *ecpointformats; | |
818 | size_t supportedgroups_len; | |
819 | unsigned char *supportedgroups; | |
820 | # endif /* OPENSSL_NO_EC */ | |
b6ba4014 | 821 | |
aff8c126 RS |
822 | /* |
823 | * ALPN information (we are in the process of transitioning from NPN to | |
824 | * ALPN.) | |
825 | */ | |
b6ba4014 MC |
826 | |
827 | /*- | |
828 | * For a server, this contains a callback function that allows the | |
829 | * server to select the protocol for the connection. | |
830 | * out: on successful return, this must point to the raw protocol | |
831 | * name (without the length prefix). | |
832 | * outlen: on successful return, this contains the length of |*out|. | |
833 | * in: points to the client's list of supported protocols in | |
834 | * wire-format. | |
835 | * inlen: the length of |in|. | |
836 | */ | |
aff8c126 RS |
837 | int (*alpn_select_cb) (SSL *s, |
838 | const unsigned char **out, | |
839 | unsigned char *outlen, | |
840 | const unsigned char *in, | |
841 | unsigned int inlen, void *arg); | |
842 | void *alpn_select_cb_arg; | |
b6ba4014 | 843 | |
aff8c126 RS |
844 | /* |
845 | * For a client, this contains the list of supported protocols in wire | |
846 | * format. | |
847 | */ | |
848 | unsigned char *alpn; | |
849 | size_t alpn_len; | |
850 | ||
e3bc1305 | 851 | # ifndef OPENSSL_NO_NEXTPROTONEG |
aff8c126 RS |
852 | /* Next protocol negotiation information */ |
853 | ||
854 | /* | |
855 | * For a server, this contains a callback function by which the set of | |
856 | * advertised protocols can be provided. | |
857 | */ | |
8cbfcc70 | 858 | SSL_CTX_npn_advertised_cb_func npn_advertised_cb; |
aff8c126 RS |
859 | void *npn_advertised_cb_arg; |
860 | /* | |
861 | * For a client, this contains a callback function that selects the next | |
862 | * protocol from the list provided by the server. | |
863 | */ | |
8cbfcc70 | 864 | SSL_CTX_npn_select_cb_func npn_select_cb; |
aff8c126 RS |
865 | void *npn_select_cb_arg; |
866 | # endif | |
867 | } ext; | |
868 | ||
869 | # ifndef OPENSSL_NO_PSK | |
8cbfcc70 RS |
870 | SSL_psk_client_cb_func psk_client_callback; |
871 | SSL_psk_server_cb_func psk_server_callback; | |
aff8c126 RS |
872 | # endif |
873 | ||
874 | # ifndef OPENSSL_NO_SRP | |
875 | SRP_CTX srp_ctx; /* ctx for SRP authentication */ | |
876 | # endif | |
b6ba4014 | 877 | |
919ba009 VD |
878 | /* Shared DANE context */ |
879 | struct dane_ctx_st dane; | |
880 | ||
b6ba4014 MC |
881 | /* SRTP profiles we are willing to do from RFC 5764 */ |
882 | STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles; | |
b6ba4014 MC |
883 | /* |
884 | * Callback for disabling session caching and ticket support on a session | |
885 | * basis, depending on the chosen cipher. | |
886 | */ | |
887 | int (*not_resumable_session_cb) (SSL *ssl, int is_forward_secure); | |
ba261f71 | 888 | |
16203f7b | 889 | CRYPTO_RWLOCK *lock; |
2faa1b48 CB |
890 | |
891 | /* | |
892 | * Callback for logging key material for use with debugging tools like | |
893 | * Wireshark. The callback should log `line` followed by a newline. | |
894 | */ | |
895 | SSL_CTX_keylog_cb_func keylog_callback; | |
b6ba4014 MC |
896 | }; |
897 | ||
b6ba4014 MC |
898 | struct ssl_st { |
899 | /* | |
900 | * protocol version (one of SSL2_VERSION, SSL3_VERSION, TLS1_VERSION, | |
901 | * DTLS1_VERSION) | |
902 | */ | |
903 | int version; | |
b6ba4014 MC |
904 | /* SSLv3 */ |
905 | const SSL_METHOD *method; | |
906 | /* | |
907 | * There are 2 BIO's even though they are normally both the same. This | |
908 | * is so data can be read and written to different handlers | |
909 | */ | |
910 | /* used by SSL_read */ | |
911 | BIO *rbio; | |
912 | /* used by SSL_write */ | |
913 | BIO *wbio; | |
914 | /* used during session-id reuse to concatenate messages */ | |
915 | BIO *bbio; | |
916 | /* | |
917 | * This holds a variable that indicates what we were doing when a 0 or -1 | |
918 | * is returned. This is needed for non-blocking IO so we know what | |
919 | * request needs re-doing when in SSL_accept or SSL_connect | |
920 | */ | |
921 | int rwstate; | |
b6ba4014 MC |
922 | int (*handshake_func) (SSL *); |
923 | /* | |
924 | * Imagine that here's a boolean member "init" that is switched as soon | |
925 | * as SSL_set_{accept/connect}_state is called for the first time, so | |
926 | * that "state" and "handshake_func" are properly initialized. But as | |
927 | * handshake_func is == 0 until then, we use this test instead of an | |
928 | * "init" member. | |
929 | */ | |
23a635c0 | 930 | /* are we the server side? */ |
b6ba4014 MC |
931 | int server; |
932 | /* | |
933 | * Generate a new session or reuse an old one. | |
934 | * NB: For servers, the 'new' session may actually be a previously | |
935 | * cached session or even the previous session unless | |
936 | * SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION is set | |
937 | */ | |
938 | int new_session; | |
939 | /* don't send shutdown packets */ | |
940 | int quiet_shutdown; | |
941 | /* we have shut things down, 0x01 sent, 0x02 for received */ | |
942 | int shutdown; | |
943 | /* where we are */ | |
d6f1a6e9 | 944 | OSSL_STATEM statem; |
b6ba4014 MC |
945 | BUF_MEM *init_buf; /* buffer used during init */ |
946 | void *init_msg; /* pointer to handshake message body, set by | |
947 | * ssl3_get_message() */ | |
eda75751 MC |
948 | size_t init_num; /* amount read/written */ |
949 | size_t init_off; /* amount read/written */ | |
b6ba4014 MC |
950 | struct ssl3_state_st *s3; /* SSLv3 variables */ |
951 | struct dtls1_state_st *d1; /* DTLSv1 variables */ | |
b6ba4014 MC |
952 | /* callback that allows applications to peek at protocol messages */ |
953 | void (*msg_callback) (int write_p, int version, int content_type, | |
954 | const void *buf, size_t len, SSL *ssl, void *arg); | |
955 | void *msg_callback_arg; | |
956 | int hit; /* reusing a previous session */ | |
957 | X509_VERIFY_PARAM *param; | |
919ba009 | 958 | /* Per connection DANE state */ |
b9aec69a | 959 | SSL_DANE dane; |
b6ba4014 MC |
960 | /* crypto */ |
961 | STACK_OF(SSL_CIPHER) *cipher_list; | |
962 | STACK_OF(SSL_CIPHER) *cipher_list_by_id; | |
963 | /* | |
964 | * These are the ones being used, the ones in SSL_SESSION are the ones to | |
965 | * be 'copied' into these ones | |
966 | */ | |
f7d53487 | 967 | uint32_t mac_flags; |
34574f19 | 968 | /* |
ec15acb6 MC |
969 | * The TLS1.3 secrets. The resumption master secret is stored in the |
970 | * session. | |
34574f19 MC |
971 | */ |
972 | unsigned char early_secret[EVP_MAX_MD_SIZE]; | |
973 | unsigned char handshake_secret[EVP_MAX_MD_SIZE]; | |
ec15acb6 | 974 | unsigned char master_secret[EVP_MAX_MD_SIZE]; |
6484776f MC |
975 | unsigned char client_finished_secret[EVP_MAX_MD_SIZE]; |
976 | unsigned char server_finished_secret[EVP_MAX_MD_SIZE]; | |
ace081c1 | 977 | unsigned char server_finished_hash[EVP_MAX_MD_SIZE]; |
b6ba4014 | 978 | EVP_CIPHER_CTX *enc_read_ctx; /* cryptographic state */ |
bebc0c7d | 979 | unsigned char read_iv[EVP_MAX_IV_LENGTH]; /* TLSv1.3 static read IV */ |
b6ba4014 | 980 | EVP_MD_CTX *read_hash; /* used for mac generation */ |
9a555706 | 981 | COMP_CTX *compress; /* compression */ |
b6ba4014 | 982 | COMP_CTX *expand; /* uncompress */ |
b6ba4014 | 983 | EVP_CIPHER_CTX *enc_write_ctx; /* cryptographic state */ |
bebc0c7d | 984 | unsigned char write_iv[EVP_MAX_IV_LENGTH]; /* TLSv1.3 static write IV */ |
b6ba4014 | 985 | EVP_MD_CTX *write_hash; /* used for mac generation */ |
b6ba4014 MC |
986 | /* session info */ |
987 | /* client cert? */ | |
988 | /* This is used to hold the server certificate used */ | |
989 | struct cert_st /* CERT */ *cert; | |
2c5dfdc3 MC |
990 | |
991 | /* | |
992 | * The hash of all messages prior to the CertificateVerify, and the length | |
993 | * of that hash. | |
994 | */ | |
995 | unsigned char cert_verify_hash[EVP_MAX_MD_SIZE]; | |
996 | size_t cert_verify_hash_len; | |
997 | ||
b6ba4014 MC |
998 | /* |
999 | * the session_id_context is used to ensure sessions are only reused in | |
1000 | * the appropriate context | |
1001 | */ | |
ec60ccc1 | 1002 | size_t sid_ctx_length; |
b6ba4014 MC |
1003 | unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH]; |
1004 | /* This can also be in the session once a session is established */ | |
1005 | SSL_SESSION *session; | |
1006 | /* Default generate session ID callback. */ | |
1007 | GEN_SESSION_CB generate_session_id; | |
1008 | /* Used in SSL3 */ | |
1009 | /* | |
1010 | * 0 don't care about verify failure. | |
1011 | * 1 fail if verify fails | |
1012 | */ | |
f7d53487 | 1013 | uint32_t verify_mode; |
b6ba4014 MC |
1014 | /* fail if callback returns 0 */ |
1015 | int (*verify_callback) (int ok, X509_STORE_CTX *ctx); | |
1016 | /* optional informational callback */ | |
1017 | void (*info_callback) (const SSL *ssl, int type, int val); | |
1018 | /* error bytes to be written */ | |
1019 | int error; | |
1020 | /* actual code */ | |
1021 | int error_code; | |
a230b26e | 1022 | # ifndef OPENSSL_NO_PSK |
8cbfcc70 RS |
1023 | SSL_psk_client_cb_func psk_client_callback; |
1024 | SSL_psk_server_cb_func psk_server_callback; | |
a230b26e | 1025 | # endif |
b6ba4014 | 1026 | SSL_CTX *ctx; |
696178ed DSH |
1027 | /* Verified chain of peer */ |
1028 | STACK_OF(X509) *verified_chain; | |
b6ba4014 | 1029 | long verify_result; |
696178ed | 1030 | /* extra application data */ |
b6ba4014 MC |
1031 | CRYPTO_EX_DATA ex_data; |
1032 | /* for server side, keep the list of CA_dn we can use */ | |
1033 | STACK_OF(X509_NAME) *client_CA; | |
2f545ae4 | 1034 | CRYPTO_REF_COUNT references; |
b6ba4014 | 1035 | /* protocol behaviour */ |
f7d53487 | 1036 | uint32_t options; |
b6ba4014 | 1037 | /* API behaviour */ |
f7d53487 | 1038 | uint32_t mode; |
7946ab33 KR |
1039 | int min_proto_version; |
1040 | int max_proto_version; | |
12472b45 | 1041 | size_t max_cert_list; |
b6ba4014 | 1042 | int first_packet; |
7acb8b64 MC |
1043 | /* |
1044 | * What was passed in ClientHello.legacy_version. Used for RSA pre-master | |
1045 | * secret and SSLv3/TLS (<=1.2) rollback check | |
1046 | */ | |
b6ba4014 | 1047 | int client_version; |
d102d9df MC |
1048 | /* |
1049 | * If we're using more than one pipeline how should we divide the data | |
1050 | * up between the pipes? | |
1051 | */ | |
7ee8627f | 1052 | size_t split_send_fragment; |
d102d9df MC |
1053 | /* |
1054 | * Maximum amount of data to send in one fragment. actual record size can | |
1055 | * be more than this due to padding and MAC overheads. | |
1056 | */ | |
7ee8627f | 1057 | size_t max_send_fragment; |
d102d9df | 1058 | /* Up to how many pipelines should we use? If 0 then 1 is assumed */ |
7ee8627f | 1059 | size_t max_pipelines; |
aff8c126 RS |
1060 | |
1061 | struct { | |
1062 | /* TLS extension debug callback */ | |
1ed327f7 RS |
1063 | void (*debug_cb)(SSL *s, int client_server, int type, |
1064 | const unsigned char *data, int len, void *arg); | |
aff8c126 RS |
1065 | void *debug_arg; |
1066 | char *hostname; | |
1067 | /* certificate status request info */ | |
1068 | /* Status type or -1 if no status type */ | |
1069 | int status_type; | |
1070 | /* Raw extension data, if seen */ | |
1071 | unsigned char *scts; | |
1072 | /* Length of raw extension data, if seen */ | |
1073 | uint16_t scts_len; | |
1074 | /* Expect OCSP CertificateStatus message */ | |
1075 | int status_expected; | |
1076 | ||
1077 | struct { | |
1078 | /* OCSP status request only */ | |
1079 | STACK_OF(OCSP_RESPID) *ids; | |
1080 | X509_EXTENSIONS *exts; | |
1081 | /* OCSP response received or to be sent */ | |
1082 | unsigned char *resp; | |
1083 | size_t resp_len; | |
1084 | } ocsp; | |
1085 | ||
1086 | /* RFC4507 session ticket expected to be received or sent */ | |
1087 | int ticket_expected; | |
1088 | # ifndef OPENSSL_NO_EC | |
1089 | size_t ecpointformats_len; | |
1090 | /* our list */ | |
1091 | unsigned char *ecpointformats; | |
1092 | size_t supportedgroups_len; | |
1093 | /* our list */ | |
1094 | unsigned char *supportedgroups; | |
1095 | # endif /* OPENSSL_NO_EC */ | |
1096 | /* TLS Session Ticket extension override */ | |
1097 | TLS_SESSION_TICKET_EXT *session_ticket; | |
1098 | /* TLS Session Ticket extension callback */ | |
1099 | tls_session_ticket_ext_cb_fn session_ticket_cb; | |
1100 | void *session_ticket_cb_arg; | |
1101 | /* TLS pre-shared secret session resumption */ | |
1102 | tls_session_secret_cb_fn session_secret_cb; | |
1103 | void *session_secret_cb_arg; | |
1104 | /* | |
1105 | * For a client, this contains the list of supported protocols in wire | |
1106 | * format. | |
1107 | */ | |
1108 | unsigned char *alpn; | |
1109 | size_t alpn_len; | |
1110 | /* | |
1111 | * Next protocol negotiation. For the client, this is the protocol that | |
1112 | * we sent in NextProtocol and is set when handling ServerHello | |
1113 | * extensions. For a server, this is the client's selected_protocol from | |
1114 | * NextProtocol and is set when handling the NextProtocol message, before | |
1115 | * the Finished message. | |
1116 | */ | |
1117 | unsigned char *npn; | |
1118 | size_t npn_len; | |
b2f7e8c0 | 1119 | |
4086b42b | 1120 | /* The available PSK key exchange modes */ |
b2f7e8c0 | 1121 | int psk_kex_mode; |
aff8c126 RS |
1122 | } ext; |
1123 | ||
b6ba4014 MC |
1124 | /*- |
1125 | * no further mod of servername | |
1126 | * 0 : call the servername extension callback. | |
1127 | * 1 : prepare 2, allow last ack just after in server callback. | |
1128 | * 2 : don't call servername callback, no ack in server hello | |
1129 | */ | |
1130 | int servername_done; | |
a230b26e | 1131 | # ifndef OPENSSL_NO_CT |
ed29e82a | 1132 | /* |
a230b26e EK |
1133 | * Validates that the SCTs (Signed Certificate Timestamps) are sufficient. |
1134 | * If they are not, the connection should be aborted. | |
1135 | */ | |
43341433 | 1136 | ssl_ct_validation_cb ct_validation_callback; |
48722ff5 | 1137 | /* User-supplied argument that is passed to the ct_validation_callback */ |
ed29e82a RP |
1138 | void *ct_validation_callback_arg; |
1139 | /* | |
1140 | * Consolidated stack of SCTs from all sources. | |
1141 | * Lazily populated by CT_get_peer_scts(SSL*) | |
1142 | */ | |
1143 | STACK_OF(SCT) *scts; | |
ed29e82a RP |
1144 | /* Have we attempted to find/parse SCTs yet? */ |
1145 | int scts_parsed; | |
a230b26e | 1146 | # endif |
b6ba4014 | 1147 | SSL_CTX *initial_ctx; /* initial ctx, used to store sessions */ |
a230b26e | 1148 | # ifndef OPENSSL_NO_NEXTPROTONEG |
a230b26e EK |
1149 | # endif |
1150 | # define session_ctx initial_ctx | |
b6ba4014 MC |
1151 | /* What we'll do */ |
1152 | STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles; | |
1153 | /* What's been chosen */ | |
1154 | SRTP_PROTECTION_PROFILE *srtp_profile; | |
b6ba4014 MC |
1155 | /*- |
1156 | * 1 if we are renegotiating. | |
1157 | * 2 if we are a server and are inside a handshake | |
1158 | * (i.e. not just sending a HelloRequest) | |
1159 | */ | |
1160 | int renegotiate; | |
a230b26e | 1161 | # ifndef OPENSSL_NO_SRP |
b6ba4014 MC |
1162 | /* ctx for SRP authentication */ |
1163 | SRP_CTX srp_ctx; | |
a230b26e | 1164 | # endif |
b6ba4014 MC |
1165 | /* |
1166 | * Callback for disabling session caching and ticket support on a session | |
1167 | * basis, depending on the chosen cipher. | |
1168 | */ | |
1169 | int (*not_resumable_session_cb) (SSL *ssl, int is_forward_secure); | |
28d59af8 | 1170 | RECORD_LAYER rlayer; |
a974e64a MC |
1171 | /* Default password callback. */ |
1172 | pem_password_cb *default_passwd_callback; | |
a974e64a MC |
1173 | /* Default password callback user data. */ |
1174 | void *default_passwd_callback_userdata; | |
07bbc92c MC |
1175 | /* Async Job info */ |
1176 | ASYNC_JOB *job; | |
ff75a257 | 1177 | ASYNC_WAIT_CTX *waitctx; |
7ee8627f | 1178 | size_t asyncrw; |
eda75751 | 1179 | |
16203f7b | 1180 | CRYPTO_RWLOCK *lock; |
b6ba4014 MC |
1181 | }; |
1182 | ||
b6ba4014 MC |
1183 | typedef struct ssl3_state_st { |
1184 | long flags; | |
b43d1cbb | 1185 | size_t read_mac_secret_size; |
b6ba4014 | 1186 | unsigned char read_mac_secret[EVP_MAX_MD_SIZE]; |
b43d1cbb | 1187 | size_t write_mac_secret_size; |
b6ba4014 MC |
1188 | unsigned char write_mac_secret[EVP_MAX_MD_SIZE]; |
1189 | unsigned char server_random[SSL3_RANDOM_SIZE]; | |
1190 | unsigned char client_random[SSL3_RANDOM_SIZE]; | |
1191 | /* flags for countermeasure against known-IV weakness */ | |
1192 | int need_empty_fragments; | |
1193 | int empty_fragment_done; | |
b6ba4014 MC |
1194 | /* used during startup, digest all incoming/outgoing packets */ |
1195 | BIO *handshake_buffer; | |
1196 | /* | |
28ba2541 DSH |
1197 | * When handshake digest is determined, buffer is hashed and |
1198 | * freed and MD_CTX for the required digest is stored here. | |
b6ba4014 | 1199 | */ |
28ba2541 | 1200 | EVP_MD_CTX *handshake_dgst; |
b6ba4014 MC |
1201 | /* |
1202 | * Set whenever an expected ChangeCipherSpec message is processed. | |
1203 | * Unset when the peer's Finished message is received. | |
1204 | * Unexpected ChangeCipherSpec messages trigger a fatal alert. | |
1205 | */ | |
1206 | int change_cipher_spec; | |
1207 | int warn_alert; | |
1208 | int fatal_alert; | |
1209 | /* | |
1210 | * we allow one fatal and one warning alert to be outstanding, send close | |
1211 | * alert via the warning alert | |
1212 | */ | |
1213 | int alert_dispatch; | |
1214 | unsigned char send_alert[2]; | |
1215 | /* | |
1216 | * This flag is set when we should renegotiate ASAP, basically when there | |
1217 | * is no more data in the read or write buffers | |
1218 | */ | |
1219 | int renegotiate; | |
1220 | int total_renegotiations; | |
1221 | int num_renegotiations; | |
1222 | int in_read_app_data; | |
1223 | struct { | |
b6ba4014 MC |
1224 | /* actually only need to be 16+20 for SSLv3 and 12 for TLS */ |
1225 | unsigned char finish_md[EVP_MAX_MD_SIZE * 2]; | |
12472b45 | 1226 | size_t finish_md_len; |
b6ba4014 | 1227 | unsigned char peer_finish_md[EVP_MAX_MD_SIZE * 2]; |
12472b45 | 1228 | size_t peer_finish_md_len; |
eda75751 | 1229 | size_t message_size; |
b6ba4014 MC |
1230 | int message_type; |
1231 | /* used to hold the new cipher we are going to use */ | |
1232 | const SSL_CIPHER *new_cipher; | |
a230b26e EK |
1233 | # if !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_DH) |
1234 | EVP_PKEY *pkey; /* holds short lived DH/ECDH key */ | |
1235 | # endif | |
b6ba4014 MC |
1236 | /* used for certificate requests */ |
1237 | int cert_req; | |
1238 | int ctype_num; | |
1239 | char ctype[SSL3_CT_NUMBER]; | |
1240 | STACK_OF(X509_NAME) *ca_names; | |
8c1a5343 | 1241 | size_t key_block_length; |
b6ba4014 MC |
1242 | unsigned char *key_block; |
1243 | const EVP_CIPHER *new_sym_enc; | |
1244 | const EVP_MD *new_hash; | |
1245 | int new_mac_pkey_type; | |
b43d1cbb | 1246 | size_t new_mac_secret_size; |
a230b26e | 1247 | # ifndef OPENSSL_NO_COMP |
b6ba4014 | 1248 | const SSL_COMP *new_compression; |
a230b26e | 1249 | # else |
b6ba4014 | 1250 | char *new_compression; |
a230b26e | 1251 | # endif |
b6ba4014 | 1252 | int cert_request; |
76106e60 DSH |
1253 | /* Raw values of the cipher list from a client */ |
1254 | unsigned char *ciphers_raw; | |
1255 | size_t ciphers_rawlen; | |
1256 | /* Temporary storage for premaster secret */ | |
1257 | unsigned char *pms; | |
1258 | size_t pmslen; | |
a230b26e | 1259 | # ifndef OPENSSL_NO_PSK |
64651d39 DSH |
1260 | /* Temporary storage for PSK key */ |
1261 | unsigned char *psk; | |
1262 | size_t psklen; | |
a230b26e | 1263 | # endif |
76106e60 DSH |
1264 | /* |
1265 | * signature algorithms peer reports: e.g. supported signature | |
1266 | * algorithms extension for server or as part of a certificate | |
1267 | * request for client. | |
1268 | */ | |
98c792d1 | 1269 | uint16_t *peer_sigalgs; |
76106e60 DSH |
1270 | /* Size of above array */ |
1271 | size_t peer_sigalgslen; | |
d376e57d DSH |
1272 | /* Digest peer uses for signing */ |
1273 | const EVP_MD *peer_md; | |
5554facb DSH |
1274 | /* Signature type: public key type or EVP_PKEY_RSA_PSS for PSS */ |
1275 | int peer_sigtype; | |
d376e57d DSH |
1276 | /* Array of digests used for signing */ |
1277 | const EVP_MD *md[SSL_PKEY_NUM]; | |
6383d316 DSH |
1278 | /* |
1279 | * Set if corresponding CERT_PKEY can be used with current | |
1280 | * SSL session: e.g. appropriate curve, signature algorithms etc. | |
1281 | * If zero it can't be used at all. | |
1282 | */ | |
f7d53487 | 1283 | uint32_t valid_flags[SSL_PKEY_NUM]; |
4d69f9e6 DSH |
1284 | /* |
1285 | * For servers the following masks are for the key and auth algorithms | |
1286 | * that are supported by the certs below. For clients they are masks of | |
1287 | * *disabled* algorithms based on the current session. | |
1288 | */ | |
90d9e49a DSH |
1289 | uint32_t mask_k; |
1290 | uint32_t mask_a; | |
3eb2aff4 KR |
1291 | /* |
1292 | * The following are used by the client to see if a cipher is allowed or | |
1293 | * not. It contains the minimum and maximum version the client's using | |
1294 | * based on what it knows so far. | |
1295 | */ | |
1296 | int min_ver; | |
1297 | int max_ver; | |
b6ba4014 MC |
1298 | } tmp; |
1299 | ||
1300 | /* Connection binding to prevent renegotiation attacks */ | |
1301 | unsigned char previous_client_finished[EVP_MAX_MD_SIZE]; | |
12472b45 | 1302 | size_t previous_client_finished_len; |
b6ba4014 | 1303 | unsigned char previous_server_finished[EVP_MAX_MD_SIZE]; |
12472b45 | 1304 | size_t previous_server_finished_len; |
b6ba4014 MC |
1305 | int send_connection_binding; /* TODOEKR */ |
1306 | ||
a230b26e | 1307 | # ifndef OPENSSL_NO_NEXTPROTONEG |
b6ba4014 MC |
1308 | /* |
1309 | * Set if we saw the Next Protocol Negotiation extension from our peer. | |
1310 | */ | |
aff8c126 | 1311 | int npn_seen; |
a230b26e | 1312 | # endif |
b6ba4014 | 1313 | |
b6ba4014 MC |
1314 | /* |
1315 | * ALPN information (we are in the process of transitioning from NPN to | |
1316 | * ALPN.) | |
1317 | */ | |
1318 | ||
1319 | /* | |
1320 | * In a server these point to the selected ALPN protocol after the | |
1321 | * ClientHello has been processed. In a client these contain the protocol | |
1322 | * that the server selected once the ServerHello has been processed. | |
1323 | */ | |
1324 | unsigned char *alpn_selected; | |
817cd0d5 TS |
1325 | size_t alpn_selected_len; |
1326 | /* used by the server to know what options were proposed */ | |
1327 | unsigned char *alpn_proposed; | |
1328 | size_t alpn_proposed_len; | |
1329 | /* used by the client to know if it actually sent alpn */ | |
1330 | int alpn_sent; | |
b6ba4014 | 1331 | |
a230b26e | 1332 | # ifndef OPENSSL_NO_EC |
b6ba4014 MC |
1333 | /* |
1334 | * This is set to true if we believe that this is a version of Safari | |
1335 | * running on OS X 10.6 or newer. We wish to know this because Safari on | |
1336 | * 10.8 .. 10.8.3 has broken ECDHE-ECDSA support. | |
1337 | */ | |
1338 | char is_probably_safari; | |
a230b26e | 1339 | # endif /* !OPENSSL_NO_EC */ |
8d92c1f8 DSH |
1340 | |
1341 | /* For clients: peer temporary key */ | |
fb79abe3 | 1342 | # if !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_DH) |
bcec3358 MC |
1343 | /* The group_id for the DH/ECDH key */ |
1344 | unsigned int group_id; | |
61dd9f7a | 1345 | EVP_PKEY *peer_tmp; |
8d92c1f8 DSH |
1346 | # endif |
1347 | ||
b6ba4014 MC |
1348 | } SSL3_STATE; |
1349 | ||
b6ba4014 MC |
1350 | /* DTLS structures */ |
1351 | ||
a230b26e EK |
1352 | # ifndef OPENSSL_NO_SCTP |
1353 | # define DTLS1_SCTP_AUTH_LABEL "EXPORTER_DTLS_OVER_SCTP" | |
1354 | # endif | |
b6ba4014 MC |
1355 | |
1356 | /* Max MTU overhead we know about so far is 40 for IPv6 + 8 for UDP */ | |
a230b26e | 1357 | # define DTLS1_MAX_MTU_OVERHEAD 48 |
b6ba4014 | 1358 | |
e3d0dae7 MC |
1359 | /* |
1360 | * Flag used in message reuse to indicate the buffer contains the record | |
1361 | * header as well as the the handshake message header. | |
1362 | */ | |
a230b26e | 1363 | # define DTLS1_SKIP_RECORD_HEADER 2 |
e3d0dae7 | 1364 | |
b6ba4014 MC |
1365 | struct dtls1_retransmit_state { |
1366 | EVP_CIPHER_CTX *enc_write_ctx; /* cryptographic state */ | |
1367 | EVP_MD_CTX *write_hash; /* used for mac generation */ | |
b6ba4014 | 1368 | COMP_CTX *compress; /* compression */ |
b6ba4014 MC |
1369 | SSL_SESSION *session; |
1370 | unsigned short epoch; | |
1371 | }; | |
1372 | ||
1373 | struct hm_header_st { | |
1374 | unsigned char type; | |
7ee8627f | 1375 | size_t msg_len; |
b6ba4014 | 1376 | unsigned short seq; |
7ee8627f MC |
1377 | size_t frag_off; |
1378 | size_t frag_len; | |
b6ba4014 MC |
1379 | unsigned int is_ccs; |
1380 | struct dtls1_retransmit_state saved_retransmit_state; | |
1381 | }; | |
1382 | ||
b6ba4014 MC |
1383 | struct dtls1_timeout_st { |
1384 | /* Number of read timeouts so far */ | |
1385 | unsigned int read_timeouts; | |
1386 | /* Number of write timeouts so far */ | |
1387 | unsigned int write_timeouts; | |
1388 | /* Number of alerts received so far */ | |
1389 | unsigned int num_alerts; | |
1390 | }; | |
1391 | ||
b6ba4014 MC |
1392 | typedef struct hm_fragment_st { |
1393 | struct hm_header_st msg_header; | |
1394 | unsigned char *fragment; | |
1395 | unsigned char *reassembly; | |
1396 | } hm_fragment; | |
1397 | ||
cf2cede4 RS |
1398 | typedef struct pqueue_st pqueue; |
1399 | typedef struct pitem_st pitem; | |
1400 | ||
1401 | struct pitem_st { | |
1402 | unsigned char priority[8]; /* 64-bit value in big-endian encoding */ | |
1403 | void *data; | |
1404 | pitem *next; | |
1405 | }; | |
1406 | ||
1407 | typedef struct pitem_st *piterator; | |
1408 | ||
1409 | pitem *pitem_new(unsigned char *prio64be, void *data); | |
1410 | void pitem_free(pitem *item); | |
a230b26e | 1411 | pqueue *pqueue_new(void); |
cf2cede4 RS |
1412 | void pqueue_free(pqueue *pq); |
1413 | pitem *pqueue_insert(pqueue *pq, pitem *item); | |
1414 | pitem *pqueue_peek(pqueue *pq); | |
1415 | pitem *pqueue_pop(pqueue *pq); | |
1416 | pitem *pqueue_find(pqueue *pq, unsigned char *prio64be); | |
1417 | pitem *pqueue_iterator(pqueue *pq); | |
1418 | pitem *pqueue_next(piterator *iter); | |
8b0e934a | 1419 | size_t pqueue_size(pqueue *pq); |
cf2cede4 | 1420 | |
b6ba4014 | 1421 | typedef struct dtls1_state_st { |
b6ba4014 | 1422 | unsigned char cookie[DTLS1_COOKIE_LENGTH]; |
cb150cbc | 1423 | size_t cookie_len; |
e27f234a | 1424 | unsigned int cookie_verified; |
b6ba4014 MC |
1425 | /* handshake message numbers */ |
1426 | unsigned short handshake_write_seq; | |
1427 | unsigned short next_handshake_write_seq; | |
1428 | unsigned short handshake_read_seq; | |
b6ba4014 | 1429 | /* Buffered handshake messages */ |
cf2cede4 | 1430 | pqueue *buffered_messages; |
b6ba4014 | 1431 | /* Buffered (sent) handshake records */ |
cf2cede4 | 1432 | pqueue *sent_messages; |
7ee8627f MC |
1433 | size_t link_mtu; /* max on-the-wire DTLS packet size */ |
1434 | size_t mtu; /* max DTLS packet size */ | |
b6ba4014 MC |
1435 | struct hm_header_st w_msg_hdr; |
1436 | struct hm_header_st r_msg_hdr; | |
1437 | struct dtls1_timeout_st timeout; | |
1438 | /* | |
e72040c1 | 1439 | * Indicates when the last handshake msg sent will timeout |
b6ba4014 MC |
1440 | */ |
1441 | struct timeval next_timeout; | |
1442 | /* Timeout duration */ | |
1443 | unsigned short timeout_duration; | |
b6ba4014 | 1444 | unsigned int retransmitting; |
a230b26e | 1445 | # ifndef OPENSSL_NO_SCTP |
b6ba4014 | 1446 | int shutdown_received; |
a230b26e | 1447 | # endif |
b6ba4014 MC |
1448 | } DTLS1_STATE; |
1449 | ||
0f113f3e MC |
1450 | # ifndef OPENSSL_NO_EC |
1451 | /* | |
1452 | * From ECC-TLS draft, used in encoding the curve type in ECParameters | |
ea262260 | 1453 | */ |
0f113f3e MC |
1454 | # define EXPLICIT_PRIME_CURVE_TYPE 1 |
1455 | # define EXPLICIT_CHAR2_CURVE_TYPE 2 | |
1456 | # define NAMED_CURVE_TYPE 3 | |
1457 | # endif /* OPENSSL_NO_EC */ | |
1458 | ||
1459 | typedef struct cert_pkey_st { | |
1460 | X509 *x509; | |
1461 | EVP_PKEY *privatekey; | |
0f113f3e MC |
1462 | /* Chain for this certificate */ |
1463 | STACK_OF(X509) *chain; | |
50e735f9 MC |
1464 | /*- |
1465 | * serverinfo data for this certificate. The data is in TLS Extension | |
1466 | * wire format, specifically it's a series of records like: | |
1467 | * uint16_t extension_type; // (RFC 5246, 7.4.1.4, Extension) | |
1468 | * uint16_t length; | |
1469 | * uint8_t data[length]; | |
1470 | */ | |
0f113f3e MC |
1471 | unsigned char *serverinfo; |
1472 | size_t serverinfo_length; | |
0f113f3e | 1473 | } CERT_PKEY; |
2ea80354 | 1474 | /* Retrieve Suite B flags */ |
0f113f3e | 1475 | # define tls1_suiteb(s) (s->cert->cert_flags & SSL_CERT_FLAG_SUITEB_128_LOS) |
2ea80354 | 1476 | /* Uses to check strict mode: suite B modes are always strict */ |
0f113f3e MC |
1477 | # define SSL_CERT_FLAGS_CHECK_TLS_STRICT \ |
1478 | (SSL_CERT_FLAG_SUITEB_128_LOS|SSL_CERT_FLAG_TLS_STRICT) | |
d02b48c6 | 1479 | |
b83294fe | 1480 | typedef struct { |
0f113f3e MC |
1481 | unsigned short ext_type; |
1482 | /* | |
1483 | * Per-connection flags relating to this extension type: not used if | |
1484 | * part of an SSL_CTX structure. | |
1485 | */ | |
f7d53487 | 1486 | uint32_t ext_flags; |
0f113f3e MC |
1487 | custom_ext_add_cb add_cb; |
1488 | custom_ext_free_cb free_cb; | |
1489 | void *add_arg; | |
1490 | custom_ext_parse_cb parse_cb; | |
1491 | void *parse_arg; | |
ecf4d660 | 1492 | } custom_ext_method; |
b83294fe | 1493 | |
28ea0a0c DSH |
1494 | /* ext_flags values */ |
1495 | ||
0f113f3e MC |
1496 | /* |
1497 | * Indicates an extension has been received. Used to check for unsolicited or | |
1498 | * duplicate extensions. | |
28ea0a0c | 1499 | */ |
0f113f3e MC |
1500 | # define SSL_EXT_FLAG_RECEIVED 0x1 |
1501 | /* | |
1502 | * Indicates an extension has been sent: used to enable sending of | |
1503 | * corresponding ServerHello extension. | |
28ea0a0c | 1504 | */ |
0f113f3e | 1505 | # define SSL_EXT_FLAG_SENT 0x2 |
28ea0a0c | 1506 | |
b83294fe | 1507 | typedef struct { |
0f113f3e MC |
1508 | custom_ext_method *meths; |
1509 | size_t meths_count; | |
ecf4d660 | 1510 | } custom_ext_methods; |
b83294fe | 1511 | |
4d43ee28 DSH |
1512 | /* |
1513 | * Structure containing table entry of values associated with the signature | |
1514 | * algorithms (signature scheme) extension | |
1515 | */ | |
1516 | typedef struct sigalg_lookup_st { | |
1517 | /* TLS 1.3 signature scheme name */ | |
1518 | const char *name; | |
1519 | /* Raw value used in extension */ | |
1520 | uint16_t sigalg; | |
1521 | /* NID of hash algorithm */ | |
1522 | int hash; | |
1523 | /* NID of signature algorithm */ | |
1524 | int sig; | |
1525 | /* Combined hash and signature NID, if any */ | |
1526 | int sigandhash; | |
1527 | /* Required public key curve (ECDSA only) */ | |
1528 | int curve; | |
1529 | } SIGALG_LOOKUP; | |
1530 | ||
0f113f3e MC |
1531 | typedef struct cert_st { |
1532 | /* Current active set */ | |
1533 | /* | |
1534 | * ALWAYS points to an element of the pkeys array | |
1535 | * Probably it would make more sense to store | |
1536 | * an index, not a pointer. | |
1537 | */ | |
1538 | CERT_PKEY *key; | |
0f113f3e | 1539 | # ifndef OPENSSL_NO_DH |
e2b420fd | 1540 | EVP_PKEY *dh_tmp; |
0f113f3e MC |
1541 | DH *(*dh_tmp_cb) (SSL *ssl, int is_export, int keysize); |
1542 | int dh_tmp_auto; | |
0f113f3e MC |
1543 | # endif |
1544 | /* Flags related to certificates */ | |
f7d53487 | 1545 | uint32_t cert_flags; |
0f113f3e MC |
1546 | CERT_PKEY pkeys[SSL_PKEY_NUM]; |
1547 | /* | |
1548 | * Certificate types (received or sent) in certificate request message. | |
1549 | * On receive this is only set if number of certificate types exceeds | |
1550 | * SSL3_CT_NUMBER. | |
1551 | */ | |
1552 | unsigned char *ctypes; | |
1553 | size_t ctype_num; | |
0f113f3e | 1554 | /* |
60250017 | 1555 | * supported signature algorithms. When set on a client this is sent in |
0f113f3e MC |
1556 | * the client hello as the supported signature algorithms extension. For |
1557 | * servers it represents the signature algorithms we are willing to use. | |
1558 | */ | |
98c792d1 | 1559 | uint16_t *conf_sigalgs; |
0f113f3e MC |
1560 | /* Size of above array */ |
1561 | size_t conf_sigalgslen; | |
1562 | /* | |
1563 | * Client authentication signature algorithms, if not set then uses | |
1564 | * conf_sigalgs. On servers these will be the signature algorithms sent | |
48722ff5 F |
1565 | * to the client in a certificate request for TLS 1.2. On a client this |
1566 | * represents the signature algorithms we are willing to use for client | |
0f113f3e MC |
1567 | * authentication. |
1568 | */ | |
98c792d1 | 1569 | uint16_t *client_sigalgs; |
0f113f3e MC |
1570 | /* Size of above array */ |
1571 | size_t client_sigalgslen; | |
1572 | /* | |
1573 | * Signature algorithms shared by client and server: cached because these | |
1574 | * are used most often. | |
1575 | */ | |
4d43ee28 | 1576 | const SIGALG_LOOKUP **shared_sigalgs; |
0f113f3e MC |
1577 | size_t shared_sigalgslen; |
1578 | /* | |
1579 | * Certificate setup callback: if set is called whenever a certificate | |
1580 | * may be required (client or server). the callback can then examine any | |
1581 | * appropriate parameters and setup any certificates required. This | |
1582 | * allows advanced applications to select certificates on the fly: for | |
1583 | * example based on supported signature algorithms or curves. | |
1584 | */ | |
1585 | int (*cert_cb) (SSL *ssl, void *arg); | |
1586 | void *cert_cb_arg; | |
1587 | /* | |
1588 | * Optional X509_STORE for chain building or certificate validation If | |
1589 | * NULL the parent SSL_CTX store is used instead. | |
1590 | */ | |
1591 | X509_STORE *chain_store; | |
1592 | X509_STORE *verify_store; | |
0f113f3e MC |
1593 | /* Custom extension methods for server and client */ |
1594 | custom_ext_methods cli_ext; | |
1595 | custom_ext_methods srv_ext; | |
1596 | /* Security callback */ | |
e4646a89 | 1597 | int (*sec_cb) (const SSL *s, const SSL_CTX *ctx, int op, int bits, int nid, |
0f113f3e MC |
1598 | void *other, void *ex); |
1599 | /* Security level */ | |
1600 | int sec_level; | |
1601 | void *sec_ex; | |
a230b26e | 1602 | # ifndef OPENSSL_NO_PSK |
df6da24b DSH |
1603 | /* If not NULL psk identity hint to use for servers */ |
1604 | char *psk_identity_hint; | |
a230b26e | 1605 | # endif |
2f545ae4 | 1606 | CRYPTO_REF_COUNT references; /* >1 only if SSL_copy_session_id is used */ |
16203f7b | 1607 | CRYPTO_RWLOCK *lock; |
0f113f3e MC |
1608 | } CERT; |
1609 | ||
0f113f3e | 1610 | # define FP_ICC (int (*)(const void *,const void *)) |
0f113f3e MC |
1611 | |
1612 | /* | |
1613 | * This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff It is a bit | |
1614 | * of a mess of functions, but hell, think of it as an opaque structure :-) | |
1615 | */ | |
1616 | typedef struct ssl3_enc_method { | |
72716e79 | 1617 | int (*enc) (SSL *, SSL3_RECORD *, size_t, int); |
d102d9df | 1618 | int (*mac) (SSL *, SSL3_RECORD *, unsigned char *, int); |
0f113f3e MC |
1619 | int (*setup_key_block) (SSL *); |
1620 | int (*generate_master_secret) (SSL *, unsigned char *, unsigned char *, | |
8c1a5343 | 1621 | size_t, size_t *); |
0f113f3e | 1622 | int (*change_cipher_state) (SSL *, int); |
6db6bc5a | 1623 | size_t (*final_finish_mac) (SSL *, const char *, size_t, unsigned char *); |
0f113f3e | 1624 | const char *client_finished_label; |
8b0e934a | 1625 | size_t client_finished_label_len; |
0f113f3e | 1626 | const char *server_finished_label; |
8b0e934a | 1627 | size_t server_finished_label_len; |
0f113f3e MC |
1628 | int (*alert_value) (int); |
1629 | int (*export_keying_material) (SSL *, unsigned char *, size_t, | |
1630 | const char *, size_t, | |
1631 | const unsigned char *, size_t, | |
1632 | int use_context); | |
1633 | /* Various flags indicating protocol version requirements */ | |
f7d53487 | 1634 | uint32_t enc_flags; |
0f113f3e | 1635 | /* Set the handshake header */ |
a29fa98c | 1636 | int (*set_handshake_header) (SSL *s, WPACKET *pkt, int type); |
2c7b4dbc | 1637 | /* Close construction of the handshake message */ |
4a01c59f | 1638 | int (*close_construct_packet) (SSL *s, WPACKET *pkt, int htype); |
0f113f3e MC |
1639 | /* Write out handshake message */ |
1640 | int (*do_write) (SSL *s); | |
1641 | } SSL3_ENC_METHOD; | |
1642 | ||
a29fa98c MC |
1643 | # define ssl_set_handshake_header(s, pkt, htype) \ |
1644 | s->method->ssl3_enc->set_handshake_header((s), (pkt), (htype)) | |
4a01c59f MC |
1645 | # define ssl_close_construct_packet(s, pkt, htype) \ |
1646 | s->method->ssl3_enc->close_construct_packet((s), (pkt), (htype)) | |
0f113f3e | 1647 | # define ssl_do_write(s) s->method->ssl3_enc->do_write(s) |
173e72e6 DSH |
1648 | |
1649 | /* Values for enc_flags */ | |
1650 | ||
1651 | /* Uses explicit IV for CBC mode */ | |
0f113f3e | 1652 | # define SSL_ENC_FLAG_EXPLICIT_IV 0x1 |
173e72e6 | 1653 | /* Uses signature algorithms extension */ |
0f113f3e | 1654 | # define SSL_ENC_FLAG_SIGALGS 0x2 |
cbd64894 | 1655 | /* Uses SHA256 default PRF */ |
0f113f3e | 1656 | # define SSL_ENC_FLAG_SHA256_PRF 0x4 |
173e72e6 | 1657 | /* Is DTLS */ |
0f113f3e MC |
1658 | # define SSL_ENC_FLAG_DTLS 0x8 |
1659 | /* | |
1660 | * Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2: may | |
1661 | * apply to others in future. | |
4221c0dd | 1662 | */ |
0f113f3e | 1663 | # define SSL_ENC_FLAG_TLS1_2_CIPHERS 0x10 |
173e72e6 | 1664 | |
0f113f3e | 1665 | # ifndef OPENSSL_NO_COMP |
651d0aff | 1666 | /* Used for holding the relevant compression methods loaded into SSL_CTX */ |
0f113f3e MC |
1667 | typedef struct ssl3_comp_st { |
1668 | int comp_id; /* The identifier byte for this compression | |
1669 | * type */ | |
1670 | char *name; /* Text name used for the compression type */ | |
1671 | COMP_METHOD *method; /* The method :-) */ | |
1672 | } SSL3_COMP; | |
1673 | # endif | |
dfeab068 | 1674 | |
6f8db4e6 | 1675 | typedef struct raw_extension_st { |
6b473aca | 1676 | /* Raw packet data for the extension */ |
1ab3836b | 1677 | PACKET data; |
70af3d8e MC |
1678 | /* Set to 1 if the extension is present or 0 otherwise */ |
1679 | int present; | |
6b473aca MC |
1680 | /* Set to 1 if we have already parsed the extension or 0 otherwise */ |
1681 | int parsed; | |
ecc2f938 | 1682 | /* The type of this extension, i.e. a TLSEXT_TYPE_* value */ |
70af3d8e | 1683 | unsigned int type; |
1ab3836b MC |
1684 | } RAW_EXTENSION; |
1685 | ||
70af3d8e MC |
1686 | /* |
1687 | * Extension index values NOTE: Any updates to these defines should be mirrored | |
1688 | * with equivalent updates to ext_defs in extensions.c | |
1689 | */ | |
d270de32 MC |
1690 | typedef enum tlsext_index_en { |
1691 | TLSEXT_IDX_renegotiate, | |
1692 | TLSEXT_IDX_server_name, | |
1693 | TLSEXT_IDX_srp, | |
1694 | TLSEXT_IDX_ec_point_formats, | |
1695 | TLSEXT_IDX_supported_groups, | |
1696 | TLSEXT_IDX_session_ticket, | |
1697 | TLSEXT_IDX_signature_algorithms, | |
1698 | TLSEXT_IDX_status_request, | |
1699 | TLSEXT_IDX_next_proto_neg, | |
1700 | TLSEXT_IDX_application_layer_protocol_negotiation, | |
1701 | TLSEXT_IDX_use_srtp, | |
1702 | TLSEXT_IDX_encrypt_then_mac, | |
1703 | TLSEXT_IDX_signed_certificate_timestamp, | |
1704 | TLSEXT_IDX_extended_master_secret, | |
1705 | TLSEXT_IDX_supported_versions, | |
b2f7e8c0 | 1706 | TLSEXT_IDX_psk_kex_modes, |
d270de32 MC |
1707 | TLSEXT_IDX_key_share, |
1708 | TLSEXT_IDX_cryptopro_bug, | |
ec15acb6 MC |
1709 | TLSEXT_IDX_padding, |
1710 | TLSEXT_IDX_psk | |
d270de32 | 1711 | } TLSEXT_INDEX; |
70af3d8e | 1712 | |
cbb09544 MC |
1713 | /* |
1714 | * Dummy status type for the status_type extension. Indicates no status type | |
1715 | * set | |
1716 | */ | |
1717 | #define TLSEXT_STATUSTYPE_nothing -1 | |
1718 | ||
703bcee0 MC |
1719 | /* Sigalgs values */ |
1720 | #define TLSEXT_SIGALG_ecdsa_secp256r1_sha256 0x0403 | |
1721 | #define TLSEXT_SIGALG_ecdsa_secp384r1_sha384 0x0503 | |
1722 | #define TLSEXT_SIGALG_ecdsa_secp521r1_sha512 0x0603 | |
1723 | #define TLSEXT_SIGALG_ecdsa_sha1 0x0203 | |
1724 | #define TLSEXT_SIGALG_rsa_pss_sha256 0x0804 | |
1725 | #define TLSEXT_SIGALG_rsa_pss_sha384 0x0805 | |
1726 | #define TLSEXT_SIGALG_rsa_pss_sha512 0x0806 | |
1727 | #define TLSEXT_SIGALG_rsa_pkcs1_sha256 0x0401 | |
1728 | #define TLSEXT_SIGALG_rsa_pkcs1_sha384 0x0501 | |
1729 | #define TLSEXT_SIGALG_rsa_pkcs1_sha512 0x0601 | |
1730 | #define TLSEXT_SIGALG_rsa_pkcs1_sha1 0x0201 | |
1731 | #define TLSEXT_SIGALG_dsa_sha256 0x0402 | |
1732 | #define TLSEXT_SIGALG_dsa_sha384 0x0502 | |
1733 | #define TLSEXT_SIGALG_dsa_sha512 0x0602 | |
1734 | #define TLSEXT_SIGALG_dsa_sha1 0x0202 | |
1735 | #define TLSEXT_SIGALG_gostr34102012_256_gostr34112012_256 0xeeee | |
1736 | #define TLSEXT_SIGALG_gostr34102012_512_gostr34112012_512 0xefef | |
1737 | #define TLSEXT_SIGALG_gostr34102001_gostr3411 0xeded | |
1738 | ||
b2f7e8c0 MC |
1739 | /* Known PSK key exchange modes */ |
1740 | #define TLSEXT_KEX_MODE_KE 0x00 | |
1741 | #define TLSEXT_KEX_MODE_KE_DHE 0x01 | |
1742 | ||
1743 | /* | |
1744 | * Internal representations of key exchange modes | |
1745 | */ | |
1746 | #define TLSEXT_KEX_MODE_FLAG_NONE 0 | |
1747 | #define TLSEXT_KEX_MODE_FLAG_KE 1 | |
1748 | #define TLSEXT_KEX_MODE_FLAG_KE_DHE 2 | |
1749 | ||
ec15acb6 MC |
1750 | /* An invalid index into the TLSv1.3 PSK identities */ |
1751 | #define TLSEXT_PSK_BAD_IDENTITY -1 | |
1752 | ||
5554facb | 1753 | #define SSL_USE_PSS(s) (s->s3->tmp.peer_sigtype == EVP_PKEY_RSA_PSS) |
fe3066ee | 1754 | |
703bcee0 MC |
1755 | /* A dummy signature value not valid for TLSv1.2 signature algs */ |
1756 | #define TLSEXT_signature_rsa_pss 0x0101 | |
1757 | ||
1758 | ||
1ab3836b MC |
1759 | #define MAX_COMPRESSIONS_SIZE 255 |
1760 | ||
1761 | typedef struct { | |
1762 | unsigned int isv2; | |
df7ce507 | 1763 | unsigned int legacy_version; |
1ab3836b MC |
1764 | unsigned char random[SSL3_RANDOM_SIZE]; |
1765 | size_t session_id_len; | |
1766 | unsigned char session_id[SSL_MAX_SSL_SESSION_ID_LENGTH]; | |
1767 | size_t dtls_cookie_len; | |
1768 | unsigned char dtls_cookie[DTLS1_COOKIE_LENGTH]; | |
1769 | PACKET ciphersuites; | |
1770 | size_t compressions_len; | |
1771 | unsigned char compressions[MAX_COMPRESSIONS_SIZE]; | |
1772 | PACKET extensions; | |
1ab3836b MC |
1773 | RAW_EXTENSION *pre_proc_exts; |
1774 | } CLIENTHELLO_MSG; | |
1775 | ||
3ed449e9 | 1776 | extern SSL3_ENC_METHOD ssl3_undef_enc_method; |
7d7d2cbc | 1777 | |
2b8fa1d5 KR |
1778 | __owur const SSL_METHOD *ssl_bad_method(int ver); |
1779 | __owur const SSL_METHOD *sslv3_method(void); | |
1780 | __owur const SSL_METHOD *sslv3_server_method(void); | |
1781 | __owur const SSL_METHOD *sslv3_client_method(void); | |
1782 | __owur const SSL_METHOD *tlsv1_method(void); | |
1783 | __owur const SSL_METHOD *tlsv1_server_method(void); | |
1784 | __owur const SSL_METHOD *tlsv1_client_method(void); | |
1785 | __owur const SSL_METHOD *tlsv1_1_method(void); | |
1786 | __owur const SSL_METHOD *tlsv1_1_server_method(void); | |
1787 | __owur const SSL_METHOD *tlsv1_1_client_method(void); | |
1788 | __owur const SSL_METHOD *tlsv1_2_method(void); | |
1789 | __owur const SSL_METHOD *tlsv1_2_server_method(void); | |
1790 | __owur const SSL_METHOD *tlsv1_2_client_method(void); | |
582a17d6 MC |
1791 | __owur const SSL_METHOD *tlsv1_3_method(void); |
1792 | __owur const SSL_METHOD *tlsv1_3_server_method(void); | |
1793 | __owur const SSL_METHOD *tlsv1_3_client_method(void); | |
2b8fa1d5 KR |
1794 | __owur const SSL_METHOD *dtlsv1_method(void); |
1795 | __owur const SSL_METHOD *dtlsv1_server_method(void); | |
1796 | __owur const SSL_METHOD *dtlsv1_client_method(void); | |
032924c4 | 1797 | __owur const SSL_METHOD *dtls_bad_ver_client_method(void); |
2b8fa1d5 KR |
1798 | __owur const SSL_METHOD *dtlsv1_2_method(void); |
1799 | __owur const SSL_METHOD *dtlsv1_2_server_method(void); | |
1800 | __owur const SSL_METHOD *dtlsv1_2_client_method(void); | |
d02b48c6 | 1801 | |
161e0a61 BL |
1802 | extern const SSL3_ENC_METHOD TLSv1_enc_data; |
1803 | extern const SSL3_ENC_METHOD TLSv1_1_enc_data; | |
1804 | extern const SSL3_ENC_METHOD TLSv1_2_enc_data; | |
582a17d6 | 1805 | extern const SSL3_ENC_METHOD TLSv1_3_enc_data; |
8892ce77 BL |
1806 | extern const SSL3_ENC_METHOD SSLv3_enc_data; |
1807 | extern const SSL3_ENC_METHOD DTLSv1_enc_data; | |
1808 | extern const SSL3_ENC_METHOD DTLSv1_2_enc_data; | |
f3b656b2 | 1809 | |
4fa52141 VD |
1810 | /* |
1811 | * Flags for SSL methods | |
1812 | */ | |
a230b26e EK |
1813 | # define SSL_METHOD_NO_FIPS (1U<<0) |
1814 | # define SSL_METHOD_NO_SUITEB (1U<<1) | |
4fa52141 VD |
1815 | |
1816 | # define IMPLEMENT_tls_meth_func(version, flags, mask, func_name, s_accept, \ | |
ccae4a15 | 1817 | s_connect, enc_data) \ |
4ebb342f | 1818 | const SSL_METHOD *func_name(void) \ |
0f113f3e MC |
1819 | { \ |
1820 | static const SSL_METHOD func_name##_data= { \ | |
1821 | version, \ | |
4fa52141 VD |
1822 | flags, \ |
1823 | mask, \ | |
0f113f3e MC |
1824 | tls1_new, \ |
1825 | tls1_clear, \ | |
1826 | tls1_free, \ | |
1827 | s_accept, \ | |
1828 | s_connect, \ | |
1829 | ssl3_read, \ | |
1830 | ssl3_peek, \ | |
1831 | ssl3_write, \ | |
1832 | ssl3_shutdown, \ | |
1833 | ssl3_renegotiate, \ | |
1834 | ssl3_renegotiate_check, \ | |
0f113f3e MC |
1835 | ssl3_read_bytes, \ |
1836 | ssl3_write_bytes, \ | |
1837 | ssl3_dispatch_alert, \ | |
1838 | ssl3_ctrl, \ | |
1839 | ssl3_ctx_ctrl, \ | |
1840 | ssl3_get_cipher_by_char, \ | |
1841 | ssl3_put_cipher_by_char, \ | |
1842 | ssl3_pending, \ | |
1843 | ssl3_num_ciphers, \ | |
1844 | ssl3_get_cipher, \ | |
0f113f3e MC |
1845 | tls1_default_timeout, \ |
1846 | &enc_data, \ | |
1847 | ssl_undefined_void_function, \ | |
1848 | ssl3_callback_ctrl, \ | |
1849 | ssl3_ctx_callback_ctrl, \ | |
1850 | }; \ | |
1851 | return &func_name##_data; \ | |
1852 | } | |
1853 | ||
ccae4a15 | 1854 | # define IMPLEMENT_ssl3_meth_func(func_name, s_accept, s_connect) \ |
4ebb342f | 1855 | const SSL_METHOD *func_name(void) \ |
0f113f3e MC |
1856 | { \ |
1857 | static const SSL_METHOD func_name##_data= { \ | |
1858 | SSL3_VERSION, \ | |
4fa52141 VD |
1859 | SSL_METHOD_NO_FIPS | SSL_METHOD_NO_SUITEB, \ |
1860 | SSL_OP_NO_SSLv3, \ | |
0f113f3e MC |
1861 | ssl3_new, \ |
1862 | ssl3_clear, \ | |
1863 | ssl3_free, \ | |
1864 | s_accept, \ | |
1865 | s_connect, \ | |
1866 | ssl3_read, \ | |
1867 | ssl3_peek, \ | |
1868 | ssl3_write, \ | |
1869 | ssl3_shutdown, \ | |
1870 | ssl3_renegotiate, \ | |
1871 | ssl3_renegotiate_check, \ | |
0f113f3e MC |
1872 | ssl3_read_bytes, \ |
1873 | ssl3_write_bytes, \ | |
1874 | ssl3_dispatch_alert, \ | |
1875 | ssl3_ctrl, \ | |
1876 | ssl3_ctx_ctrl, \ | |
1877 | ssl3_get_cipher_by_char, \ | |
1878 | ssl3_put_cipher_by_char, \ | |
1879 | ssl3_pending, \ | |
1880 | ssl3_num_ciphers, \ | |
1881 | ssl3_get_cipher, \ | |
0f113f3e MC |
1882 | ssl3_default_timeout, \ |
1883 | &SSLv3_enc_data, \ | |
1884 | ssl_undefined_void_function, \ | |
1885 | ssl3_callback_ctrl, \ | |
1886 | ssl3_ctx_callback_ctrl, \ | |
1887 | }; \ | |
1888 | return &func_name##_data; \ | |
1889 | } | |
1890 | ||
4fa52141 | 1891 | # define IMPLEMENT_dtls1_meth_func(version, flags, mask, func_name, s_accept, \ |
ccae4a15 | 1892 | s_connect, enc_data) \ |
4ebb342f | 1893 | const SSL_METHOD *func_name(void) \ |
0f113f3e MC |
1894 | { \ |
1895 | static const SSL_METHOD func_name##_data= { \ | |
1896 | version, \ | |
4fa52141 VD |
1897 | flags, \ |
1898 | mask, \ | |
0f113f3e MC |
1899 | dtls1_new, \ |
1900 | dtls1_clear, \ | |
1901 | dtls1_free, \ | |
1902 | s_accept, \ | |
1903 | s_connect, \ | |
1904 | ssl3_read, \ | |
1905 | ssl3_peek, \ | |
1906 | ssl3_write, \ | |
1907 | dtls1_shutdown, \ | |
1908 | ssl3_renegotiate, \ | |
1909 | ssl3_renegotiate_check, \ | |
0f113f3e MC |
1910 | dtls1_read_bytes, \ |
1911 | dtls1_write_app_data_bytes, \ | |
1912 | dtls1_dispatch_alert, \ | |
1913 | dtls1_ctrl, \ | |
1914 | ssl3_ctx_ctrl, \ | |
1915 | ssl3_get_cipher_by_char, \ | |
1916 | ssl3_put_cipher_by_char, \ | |
1917 | ssl3_pending, \ | |
1918 | ssl3_num_ciphers, \ | |
ca3895f0 | 1919 | ssl3_get_cipher, \ |
0f113f3e MC |
1920 | dtls1_default_timeout, \ |
1921 | &enc_data, \ | |
1922 | ssl_undefined_void_function, \ | |
1923 | ssl3_callback_ctrl, \ | |
1924 | ssl3_ctx_callback_ctrl, \ | |
1925 | }; \ | |
1926 | return &func_name##_data; \ | |
1927 | } | |
1928 | ||
1929 | struct openssl_ssl_test_functions { | |
46417569 | 1930 | int (*p_ssl_init_wbio_buffer) (SSL *s); |
0f113f3e | 1931 | int (*p_ssl3_setup_buffers) (SSL *s); |
0f113f3e MC |
1932 | }; |
1933 | ||
3eb2aff4 | 1934 | const char *ssl_protocol_to_string(int version); |
7d650072 | 1935 | |
0f113f3e | 1936 | # ifndef OPENSSL_UNIT_TEST |
e0fc7961 | 1937 | |
d02b48c6 RE |
1938 | void ssl_clear_cipher_ctx(SSL *s); |
1939 | int ssl_clear_bad_session(SSL *s); | |
4bcdb4a6 MC |
1940 | __owur CERT *ssl_cert_new(void); |
1941 | __owur CERT *ssl_cert_dup(CERT *cert); | |
a5ee80b9 | 1942 | void ssl_cert_clear_certs(CERT *c); |
d02b48c6 | 1943 | void ssl_cert_free(CERT *c); |
4bcdb4a6 | 1944 | __owur int ssl_get_new_session(SSL *s, int session); |
1a9f457c | 1945 | __owur int ssl_get_prev_session(SSL *s, CLIENTHELLO_MSG *hello, int *al); |
98ece4ee | 1946 | __owur SSL_SESSION *ssl_session_dup(SSL_SESSION *src, int ticket); |
4bcdb4a6 | 1947 | __owur int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b); |
0f113f3e | 1948 | DECLARE_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, ssl_cipher_id); |
4bcdb4a6 | 1949 | __owur int ssl_cipher_ptr_id_cmp(const SSL_CIPHER *const *ap, |
a230b26e | 1950 | const SSL_CIPHER *const *bp); |
4bcdb4a6 | 1951 | __owur STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *meth, |
a230b26e EK |
1952 | STACK_OF(SSL_CIPHER) **pref, |
1953 | STACK_OF(SSL_CIPHER) | |
1954 | **sorted, | |
1955 | const char *rule_str, | |
1956 | CERT *c); | |
d02b48c6 | 1957 | void ssl_update_cache(SSL *s, int mode); |
4bcdb4a6 | 1958 | __owur int ssl_cipher_get_evp(const SSL_SESSION *s, const EVP_CIPHER **enc, |
a230b26e | 1959 | const EVP_MD **md, int *mac_pkey_type, |
8c1a5343 | 1960 | size_t *mac_secret_size, SSL_COMP **comp, |
a230b26e | 1961 | int use_etm); |
045bd047 DW |
1962 | __owur int ssl_cipher_get_overhead(const SSL_CIPHER *c, size_t *mac_overhead, |
1963 | size_t *int_overhead, size_t *blocksize, | |
1964 | size_t *ext_overhead); | |
4bcdb4a6 | 1965 | __owur int ssl_cipher_get_cert_index(const SSL_CIPHER *c); |
a230b26e EK |
1966 | __owur const SSL_CIPHER *ssl_get_cipher_by_char(SSL *ssl, |
1967 | const unsigned char *ptr); | |
4bcdb4a6 MC |
1968 | __owur int ssl_cert_set0_chain(SSL *s, SSL_CTX *ctx, STACK_OF(X509) *chain); |
1969 | __owur int ssl_cert_set1_chain(SSL *s, SSL_CTX *ctx, STACK_OF(X509) *chain); | |
1970 | __owur int ssl_cert_add0_chain_cert(SSL *s, SSL_CTX *ctx, X509 *x); | |
1971 | __owur int ssl_cert_add1_chain_cert(SSL *s, SSL_CTX *ctx, X509 *x); | |
1972 | __owur int ssl_cert_select_current(CERT *c, X509 *x); | |
1973 | __owur int ssl_cert_set_current(CERT *c, long arg); | |
1974 | __owur X509 *ssl_cert_get0_next_certificate(CERT *c, int first); | |
a230b26e | 1975 | void ssl_cert_set_cert_cb(CERT *c, int (*cb) (SSL *ssl, void *arg), void *arg); |
f71c6e52 | 1976 | |
4bcdb4a6 | 1977 | __owur int ssl_verify_cert_chain(SSL *s, STACK_OF(X509) *sk); |
4bcdb4a6 | 1978 | __owur int ssl_build_cert_chain(SSL *s, SSL_CTX *ctx, int flags); |
a230b26e EK |
1979 | __owur int ssl_cert_set_cert_store(CERT *c, X509_STORE *store, int chain, |
1980 | int ref); | |
b362ccab | 1981 | |
e4646a89 | 1982 | __owur int ssl_security(const SSL *s, int op, int bits, int nid, void *other); |
a230b26e EK |
1983 | __owur int ssl_ctx_security(const SSL_CTX *ctx, int op, int bits, int nid, |
1984 | void *other); | |
b362ccab | 1985 | |
d02b48c6 | 1986 | int ssl_undefined_function(SSL *s); |
4bcdb4a6 MC |
1987 | __owur int ssl_undefined_void_function(void); |
1988 | __owur int ssl_undefined_const_function(const SSL *s); | |
6383d316 | 1989 | __owur CERT_PKEY *ssl_get_server_send_pkey(SSL *s); |
a230b26e EK |
1990 | __owur int ssl_get_server_cert_serverinfo(SSL *s, |
1991 | const unsigned char **serverinfo, | |
1992 | size_t *serverinfo_length); | |
1993 | __owur EVP_PKEY *ssl_get_sign_pkey(SSL *s, const SSL_CIPHER *c, | |
1994 | const EVP_MD **pmd); | |
2e5ead83 | 1995 | __owur int ssl_cert_type(const X509 *x, const EVP_PKEY *pkey); |
2cf28d61 | 1996 | void ssl_set_masks(SSL *s); |
4bcdb4a6 MC |
1997 | __owur STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s); |
1998 | __owur int ssl_verify_alarm_type(long type); | |
748f2546 | 1999 | void ssl_sort_cipher_list(void); |
7f3c9036 | 2000 | void ssl_load_ciphers(void); |
a230b26e | 2001 | __owur int ssl_fill_hello_random(SSL *s, int server, unsigned char *field, |
6db6bc5a | 2002 | size_t len); |
57b272b0 DSH |
2003 | __owur int ssl_generate_master_secret(SSL *s, unsigned char *pms, size_t pmslen, |
2004 | int free_pms); | |
0a699a07 | 2005 | __owur EVP_PKEY *ssl_generate_pkey(EVP_PKEY *pm); |
0f1e51ea MC |
2006 | __owur int ssl_derive(SSL *s, EVP_PKEY *privkey, EVP_PKEY *pubkey, |
2007 | int genmaster); | |
6c4e6670 | 2008 | __owur EVP_PKEY *ssl_dh_to_pkey(DH *dh); |
d02b48c6 | 2009 | |
ec15acb6 | 2010 | __owur const SSL_CIPHER *ssl3_get_cipher_by_id(uint32_t id); |
4bcdb4a6 | 2011 | __owur const SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p); |
ae2f7b37 | 2012 | __owur int ssl3_put_cipher_by_char(const SSL_CIPHER *c, WPACKET *pkt, |
2c7b4dbc | 2013 | size_t *len); |
2c4a056f | 2014 | int ssl3_init_finished_mac(SSL *s); |
4bcdb4a6 | 2015 | __owur int ssl3_setup_key_block(SSL *s); |
4bcdb4a6 | 2016 | __owur int ssl3_change_cipher_state(SSL *s, int which); |
d02b48c6 | 2017 | void ssl3_cleanup_key_block(SSL *s); |
4bcdb4a6 | 2018 | __owur int ssl3_do_write(SSL *s, int type); |
0f113f3e | 2019 | int ssl3_send_alert(SSL *s, int level, int desc); |
4bcdb4a6 | 2020 | __owur int ssl3_generate_master_secret(SSL *s, unsigned char *out, |
8c1a5343 MC |
2021 | unsigned char *p, size_t len, |
2022 | size_t *secret_size); | |
28ff8ef3 | 2023 | __owur int ssl3_get_req_cert_type(SSL *s, WPACKET *pkt); |
4bcdb4a6 MC |
2024 | __owur int ssl3_num_ciphers(void); |
2025 | __owur const SSL_CIPHER *ssl3_get_cipher(unsigned int u); | |
0f113f3e | 2026 | int ssl3_renegotiate(SSL *ssl); |
c7f47786 | 2027 | int ssl3_renegotiate_check(SSL *ssl, int initok); |
4bcdb4a6 | 2028 | __owur int ssl3_dispatch_alert(SSL *s); |
6db6bc5a | 2029 | __owur size_t ssl3_final_finish_mac(SSL *s, const char *sender, size_t slen, |
12472b45 | 2030 | unsigned char *p); |
7ee8627f | 2031 | __owur int ssl3_finish_mac(SSL *s, const unsigned char *buf, size_t len); |
81025661 | 2032 | void ssl3_free_digest_list(SSL *s); |
7cea05dc | 2033 | __owur unsigned long ssl3_output_cert_chain(SSL *s, WPACKET *pkt, |
e96e0f8e | 2034 | CERT_PKEY *cpk, int *al); |
4a640fb6 DSH |
2035 | __owur const SSL_CIPHER *ssl3_choose_cipher(SSL *ssl, |
2036 | STACK_OF(SSL_CIPHER) *clnt, | |
2037 | STACK_OF(SSL_CIPHER) *srvr); | |
124037fd | 2038 | __owur int ssl3_digest_cached_records(SSL *s, int keep); |
4bcdb4a6 | 2039 | __owur int ssl3_new(SSL *s); |
0f113f3e | 2040 | void ssl3_free(SSL *s); |
54105ddd MC |
2041 | __owur int ssl3_read(SSL *s, void *buf, size_t len, size_t *readbytes); |
2042 | __owur int ssl3_peek(SSL *s, void *buf, size_t len, size_t *readbytes); | |
7ee8627f | 2043 | __owur int ssl3_write(SSL *s, const void *buf, size_t len, size_t *written); |
4bcdb4a6 | 2044 | __owur int ssl3_shutdown(SSL *s); |
0f113f3e | 2045 | void ssl3_clear(SSL *s); |
4bcdb4a6 MC |
2046 | __owur long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg); |
2047 | __owur long ssl3_ctx_ctrl(SSL_CTX *s, int cmd, long larg, void *parg); | |
2048 | __owur long ssl3_callback_ctrl(SSL *s, int cmd, void (*fp) (void)); | |
2049 | __owur long ssl3_ctx_callback_ctrl(SSL_CTX *s, int cmd, void (*fp) (void)); | |
d02b48c6 | 2050 | |
4bcdb4a6 MC |
2051 | __owur int ssl3_do_change_cipher_spec(SSL *ssl); |
2052 | __owur long ssl3_default_timeout(void); | |
f3b656b2 | 2053 | |
a29fa98c | 2054 | __owur int ssl3_set_handshake_header(SSL *s, WPACKET *pkt, int htype); |
4a01c59f | 2055 | __owur int tls_close_construct_packet(SSL *s, WPACKET *pkt, int htype); |
c7f47786 | 2056 | __owur int tls_setup_handshake(SSL *s); |
a29fa98c | 2057 | __owur int dtls1_set_handshake_header(SSL *s, WPACKET *pkt, int htype); |
4a01c59f | 2058 | __owur int dtls1_close_construct_packet(SSL *s, WPACKET *pkt, int htype); |
4bcdb4a6 MC |
2059 | __owur int ssl3_handshake_write(SSL *s); |
2060 | ||
4bcdb4a6 MC |
2061 | __owur int ssl_allow_compression(SSL *s); |
2062 | ||
ccae4a15 FI |
2063 | __owur int ssl_version_supported(const SSL *s, int version); |
2064 | ||
4fa52141 VD |
2065 | __owur int ssl_set_client_hello_version(SSL *s); |
2066 | __owur int ssl_check_version_downgrade(SSL *s); | |
2067 | __owur int ssl_set_version_bound(int method_version, int version, int *bound); | |
1ab3836b | 2068 | __owur int ssl_choose_server_version(SSL *s, CLIENTHELLO_MSG *hello); |
4fa52141 | 2069 | __owur int ssl_choose_client_version(SSL *s, int version); |
a230b26e EK |
2070 | int ssl_get_client_min_max_version(const SSL *s, int *min_version, |
2071 | int *max_version); | |
4fa52141 | 2072 | |
4bcdb4a6 MC |
2073 | __owur long tls1_default_timeout(void); |
2074 | __owur int dtls1_do_write(SSL *s, int type); | |
4bcdb4a6 | 2075 | void dtls1_set_message_header(SSL *s, |
a773b52a | 2076 | unsigned char mt, |
d736bc1a MC |
2077 | size_t len, |
2078 | size_t frag_off, size_t frag_len); | |
4bcdb4a6 | 2079 | |
7ee8627f MC |
2080 | int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf_, size_t len, |
2081 | size_t *written); | |
4bcdb4a6 | 2082 | |
4bcdb4a6 MC |
2083 | __owur int dtls1_read_failed(SSL *s, int code); |
2084 | __owur int dtls1_buffer_message(SSL *s, int ccs); | |
a773b52a | 2085 | __owur int dtls1_retransmit_message(SSL *s, unsigned short seq, int *found); |
4bcdb4a6 | 2086 | __owur int dtls1_get_queue_priority(unsigned short seq, int is_ccs); |
17dd65e6 | 2087 | int dtls1_retransmit_buffered_messages(SSL *s); |
f5c7f5df MC |
2088 | void dtls1_clear_received_buffer(SSL *s); |
2089 | void dtls1_clear_sent_buffer(SSL *s); | |
0f113f3e MC |
2090 | void dtls1_get_message_header(unsigned char *data, |
2091 | struct hm_header_st *msg_hdr); | |
4bcdb4a6 MC |
2092 | __owur long dtls1_default_timeout(void); |
2093 | __owur struct timeval *dtls1_get_timeout(SSL *s, struct timeval *timeleft); | |
2094 | __owur int dtls1_check_timeout_num(SSL *s); | |
2095 | __owur int dtls1_handle_timeout(SSL *s); | |
9289f21b DSH |
2096 | void dtls1_start_timer(SSL *s); |
2097 | void dtls1_stop_timer(SSL *s); | |
4bcdb4a6 | 2098 | __owur int dtls1_is_timer_expired(SSL *s); |
9289f21b | 2099 | void dtls1_double_timeout(SSL *s); |
c536b6be | 2100 | __owur int dtls_raw_hello_verify_request(WPACKET *pkt, unsigned char *cookie, |
cb150cbc | 2101 | size_t cookie_len); |
4bcdb4a6 | 2102 | __owur int dtls1_send_newsession_ticket(SSL *s); |
7ee8627f | 2103 | __owur size_t dtls1_min_mtu(SSL *s); |
8a35dbb6 | 2104 | void dtls1_hm_fragment_free(hm_fragment *frag); |
8ba708e5 | 2105 | __owur int dtls1_query_mtu(SSL *s); |
480506bd | 2106 | |
4bcdb4a6 | 2107 | __owur int tls1_new(SSL *s); |
58964a49 RE |
2108 | void tls1_free(SSL *s); |
2109 | void tls1_clear(SSL *s); | |
0f113f3e MC |
2110 | long tls1_ctrl(SSL *s, int cmd, long larg, void *parg); |
2111 | long tls1_callback_ctrl(SSL *s, int cmd, void (*fp) (void)); | |
58964a49 | 2112 | |
4bcdb4a6 | 2113 | __owur int dtls1_new(SSL *s); |
36d16f8e BL |
2114 | void dtls1_free(SSL *s); |
2115 | void dtls1_clear(SSL *s); | |
0f113f3e | 2116 | long dtls1_ctrl(SSL *s, int cmd, long larg, void *parg); |
4bcdb4a6 | 2117 | __owur int dtls1_shutdown(SSL *s); |
36d16f8e | 2118 | |
4bcdb4a6 | 2119 | __owur int dtls1_dispatch_alert(SSL *s); |
36d16f8e | 2120 | |
46417569 | 2121 | __owur int ssl_init_wbio_buffer(SSL *s); |
413c4f45 | 2122 | void ssl_free_wbio_buffer(SSL *s); |
58964a49 | 2123 | |
4bcdb4a6 MC |
2124 | __owur int tls1_change_cipher_state(SSL *s, int which); |
2125 | __owur int tls1_setup_key_block(SSL *s); | |
6db6bc5a | 2126 | __owur size_t tls1_final_finish_mac(SSL *s, const char *str, size_t slen, |
12472b45 | 2127 | unsigned char *p); |
4bcdb4a6 | 2128 | __owur int tls1_generate_master_secret(SSL *s, unsigned char *out, |
8c1a5343 MC |
2129 | unsigned char *p, size_t len, |
2130 | size_t *secret_size); | |
92760c21 MC |
2131 | __owur int tls13_setup_key_block(SSL *s); |
2132 | __owur size_t tls13_final_finish_mac(SSL *s, const char *str, size_t slen, | |
2133 | unsigned char *p); | |
0d9824c1 | 2134 | __owur int tls13_change_cipher_state(SSL *s, int which); |
ec15acb6 MC |
2135 | __owur int tls13_hkdf_expand(SSL *s, const EVP_MD *md, |
2136 | const unsigned char *secret, | |
ace081c1 MC |
2137 | const unsigned char *label, size_t labellen, |
2138 | const unsigned char *hash, | |
2139 | unsigned char *out, size_t outlen); | |
34574f19 MC |
2140 | __owur int tls13_derive_key(SSL *s, const unsigned char *secret, |
2141 | unsigned char *key, size_t keylen); | |
2142 | __owur int tls13_derive_iv(SSL *s, const unsigned char *secret, | |
2143 | unsigned char *iv, size_t ivlen); | |
ec15acb6 MC |
2144 | __owur int tls13_derive_finishedkey(SSL *s, const EVP_MD *md, |
2145 | const unsigned char *secret, | |
2146 | unsigned char *fin, size_t finlen); | |
2147 | int tls13_generate_secret(SSL *s, const EVP_MD *md, | |
2148 | const unsigned char *prevsecret, | |
2149 | const unsigned char *insecret, | |
2150 | size_t insecretlen, | |
2151 | unsigned char *outsecret); | |
34574f19 MC |
2152 | __owur int tls13_generate_handshake_secret(SSL *s, |
2153 | const unsigned char *insecret, | |
2154 | size_t insecretlen); | |
2155 | __owur int tls13_generate_master_secret(SSL *s, unsigned char *out, | |
2156 | unsigned char *prev, size_t prevlen, | |
2157 | size_t *secret_size); | |
4bcdb4a6 | 2158 | __owur int tls1_export_keying_material(SSL *s, unsigned char *out, size_t olen, |
a230b26e EK |
2159 | const char *label, size_t llen, |
2160 | const unsigned char *p, size_t plen, | |
2161 | int use_context); | |
4bcdb4a6 | 2162 | __owur int tls1_alert_code(int code); |
04904312 | 2163 | __owur int tls13_alert_code(int code); |
4bcdb4a6 MC |
2164 | __owur int ssl3_alert_code(int code); |
2165 | __owur int ssl_ok(SSL *s); | |
58964a49 | 2166 | |
10bf4fc2 | 2167 | # ifndef OPENSSL_NO_EC |
4bcdb4a6 | 2168 | __owur int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s); |
0f113f3e | 2169 | # endif |
41fdcfa7 | 2170 | |
f73e07cf | 2171 | SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n); |
413c4f45 | 2172 | |
0f113f3e | 2173 | # ifndef OPENSSL_NO_EC |
ec24630a DSH |
2174 | /* Flags values from tls1_ec_curve_id2nid() */ |
2175 | /* Mask for curve type */ | |
2176 | # define TLS_CURVE_TYPE 0x3 | |
2177 | # define TLS_CURVE_PRIME 0x0 | |
2178 | # define TLS_CURVE_CHAR2 0x1 | |
2179 | # define TLS_CURVE_CUSTOM 0x2 | |
2180 | __owur int tls1_ec_curve_id2nid(int curve_id, unsigned int *pflags); | |
4bcdb4a6 MC |
2181 | __owur int tls1_ec_nid2curve_id(int nid); |
2182 | __owur int tls1_check_curve(SSL *s, const unsigned char *p, size_t len); | |
de4d764e MC |
2183 | __owur int tls1_shared_group(SSL *s, int nmatch); |
2184 | __owur int tls1_set_groups(unsigned char **pext, size_t *pextlen, | |
a230b26e | 2185 | int *curves, size_t ncurves); |
de4d764e | 2186 | __owur int tls1_set_groups_list(unsigned char **pext, size_t *pextlen, |
a230b26e | 2187 | const char *str); |
7da160b0 MC |
2188 | void tls1_get_formatlist(SSL *s, const unsigned char **pformats, |
2189 | size_t *num_formats); | |
4bcdb4a6 | 2190 | __owur int tls1_check_ec_tmp_key(SSL *s, unsigned long id); |
0a699a07 | 2191 | __owur EVP_PKEY *ssl_generate_pkey_curve(int id); |
0f113f3e | 2192 | # endif /* OPENSSL_NO_EC */ |
33273721 | 2193 | |
4bcdb4a6 | 2194 | __owur int tls1_shared_list(SSL *s, |
a230b26e EK |
2195 | const unsigned char *l1, size_t l1len, |
2196 | const unsigned char *l2, size_t l2len, int nmatch); | |
6b473aca MC |
2197 | __owur int tls_curve_allowed(SSL *s, const unsigned char *curve, int op); |
2198 | __owur int tls1_get_curvelist(SSL *s, int sess, const unsigned char **pcurves, | |
2199 | size_t *num_curves); | |
2200 | ||
a0f63828 | 2201 | void ssl_set_default_md(SSL *s); |
4bcdb4a6 | 2202 | __owur int tls1_set_server_sigalgs(SSL *s); |
ddf6ec00 MC |
2203 | |
2204 | /* Return codes for tls_get_ticket_from_client() and tls_decrypt_ticket() */ | |
2205 | typedef enum ticket_en { | |
40f805ad | 2206 | /* fatal error, malloc failure */ |
ddf6ec00 | 2207 | TICKET_FATAL_ERR_MALLOC, |
40f805ad | 2208 | /* fatal error, either from parsing or decrypting the ticket */ |
ddf6ec00 | 2209 | TICKET_FATAL_ERR_OTHER, |
40f805ad | 2210 | /* No ticket present */ |
ddf6ec00 | 2211 | TICKET_NONE, |
40f805ad | 2212 | /* Empty ticket present */ |
ddf6ec00 | 2213 | TICKET_EMPTY, |
40f805ad | 2214 | /* the ticket couldn't be decrypted */ |
ddf6ec00 | 2215 | TICKET_NO_DECRYPT, |
40f805ad | 2216 | /* a ticket was successfully decrypted */ |
ddf6ec00 | 2217 | TICKET_SUCCESS, |
40f805ad | 2218 | /* same as above but the ticket needs to be reneewed */ |
ddf6ec00 MC |
2219 | TICKET_SUCCESS_RENEW |
2220 | } TICKET_RETURN; | |
2221 | ||
2222 | __owur TICKET_RETURN tls_get_ticket_from_client(SSL *s, CLIENTHELLO_MSG *hello, | |
2223 | SSL_SESSION **ret); | |
2224 | __owur TICKET_RETURN tls_decrypt_ticket(SSL *s, const unsigned char *etick, | |
2225 | size_t eticklen, | |
2226 | const unsigned char *sess_id, | |
2227 | size_t sesslen, SSL_SESSION **psess); | |
1053a6e2 | 2228 | |
7da160b0 | 2229 | __owur int tls_use_ticket(SSL *s); |
a2f9200f | 2230 | |
536199ec | 2231 | __owur int tls12_get_sigandhash(SSL *s, WPACKET *pkt, const EVP_PKEY *pk, |
fe3066ee | 2232 | const EVP_MD *md, int *ispss); |
536199ec | 2233 | __owur const EVP_MD *tls12_get_hash(int hash_nid); |
90d9e49a | 2234 | void ssl_set_sig_mask(uint32_t *pmask_a, SSL *s, int op); |
a2f9200f | 2235 | |
4bcdb4a6 | 2236 | __owur int tls1_set_sigalgs_list(CERT *c, const char *str, int client); |
a230b26e EK |
2237 | __owur int tls1_set_sigalgs(CERT *c, const int *salg, size_t salglen, |
2238 | int client); | |
17dd65e6 | 2239 | int tls1_check_chain(SSL *s, X509 *x, EVP_PKEY *pk, STACK_OF(X509) *chain, |
0f113f3e | 2240 | int idx); |
d61ff83b | 2241 | void tls1_set_cert_validity(SSL *s); |
0f229cce | 2242 | |
a230b26e | 2243 | # ifndef OPENSSL_NO_CT |
4d482ee2 | 2244 | __owur int ssl_validate_ct(SSL *s); |
a230b26e | 2245 | # endif |
ed29e82a | 2246 | |
0f113f3e | 2247 | # ifndef OPENSSL_NO_DH |
4bcdb4a6 | 2248 | __owur DH *ssl_get_auto_dh(SSL *s); |
0f113f3e | 2249 | # endif |
b362ccab | 2250 | |
4bcdb4a6 | 2251 | __owur int ssl_security_cert(SSL *s, SSL_CTX *ctx, X509 *x, int vfy, int is_ee); |
a230b26e EK |
2252 | __owur int ssl_security_cert_chain(SSL *s, STACK_OF(X509) *sk, X509 *ex, |
2253 | int vfy); | |
b362ccab | 2254 | |
4bcdb4a6 | 2255 | __owur EVP_MD_CTX *ssl_replace_hash(EVP_MD_CTX **hash, const EVP_MD *md); |
b948e2c5 | 2256 | void ssl_clear_hash_ctx(EVP_MD_CTX **hash); |
4bcdb4a6 | 2257 | __owur long ssl_get_algorithm2(SSL *s); |
ae2f7b37 | 2258 | __owur int tls12_copy_sigalgs(SSL *s, WPACKET *pkt, |
98c792d1 | 2259 | const uint16_t *psig, size_t psiglen); |
703bcee0 | 2260 | __owur int tls1_save_sigalgs(SSL *s, PACKET *pkt); |
4bcdb4a6 | 2261 | __owur int tls1_process_sigalgs(SSL *s); |
98c792d1 | 2262 | __owur size_t tls12_get_psigalgs(SSL *s, int sent, const uint16_t **psigs); |
5554facb | 2263 | __owur int tls12_check_peer_sigalg(SSL *s, unsigned int sig, EVP_PKEY *pkey); |
b7bfe69b | 2264 | void ssl_set_client_disabled(SSL *s); |
4bcdb4a6 | 2265 | __owur int ssl_cipher_disabled(SSL *s, const SSL_CIPHER *c, int op); |
1c78c43b | 2266 | |
8c1a5343 MC |
2267 | __owur int ssl_handshake_hash(SSL *s, unsigned char *out, size_t outlen, |
2268 | size_t *hashlen); | |
152fbc28 | 2269 | __owur const EVP_MD *ssl_md(int idx); |
28ba2541 DSH |
2270 | __owur const EVP_MD *ssl_handshake_md(SSL *s); |
2271 | __owur const EVP_MD *ssl_prf_md(SSL *s); | |
48fbcbac | 2272 | |
2faa1b48 CB |
2273 | /* |
2274 | * ssl_log_rsa_client_key_exchange logs |premaster| to the SSL_CTX associated | |
2275 | * with |ssl|, if logging is enabled. It returns one on success and zero on | |
2276 | * failure. The entry is identified by the first 8 bytes of | |
2277 | * |encrypted_premaster|. | |
2278 | */ | |
2279 | __owur int ssl_log_rsa_client_key_exchange(SSL *ssl, | |
2280 | const uint8_t *encrypted_premaster, | |
2281 | size_t encrypted_premaster_len, | |
2282 | const uint8_t *premaster, | |
2283 | size_t premaster_len); | |
2284 | ||
2285 | /* ssl_log_master_secret logs |master| to the SSL_CTX associated with |ssl|, if | |
2286 | * logging is enabled. It returns one on success and zero on failure. The entry | |
2287 | * is identified by |client_random|. | |
2288 | */ | |
2289 | __owur int ssl_log_master_secret(SSL *ssl, const uint8_t *client_random, | |
2290 | size_t client_random_len, | |
2291 | const uint8_t *master, size_t master_len); | |
2292 | ||
2acc020b | 2293 | /* s3_cbc.c */ |
4bcdb4a6 | 2294 | __owur char ssl3_cbc_record_digest_supported(const EVP_MD_CTX *ctx); |
5f3d93e4 MC |
2295 | __owur int ssl3_cbc_digest_record(const EVP_MD_CTX *ctx, |
2296 | unsigned char *md_out, | |
2297 | size_t *md_out_size, | |
2298 | const unsigned char header[13], | |
2299 | const unsigned char *data, | |
2300 | size_t data_plus_mac_size, | |
2301 | size_t data_plus_mac_plus_padding_size, | |
2302 | const unsigned char *mac_secret, | |
d0e7c31d | 2303 | size_t mac_secret_length, char is_sslv3); |
0f113f3e | 2304 | |
d166ed8c DSH |
2305 | __owur int tls_fips_digest_extra(const EVP_CIPHER_CTX *cipher_ctx, |
2306 | EVP_MD_CTX *mac_ctx, const unsigned char *data, | |
2307 | size_t data_len, size_t orig_len); | |
0989790b | 2308 | |
57b272b0 DSH |
2309 | __owur int srp_generate_server_master_secret(SSL *s); |
2310 | __owur int srp_generate_client_master_secret(SSL *s); | |
4bcdb4a6 | 2311 | __owur int srp_verify_server_param(SSL *s, int *al); |
0989790b | 2312 | |
ecf4d660 DSH |
2313 | /* t1_ext.c */ |
2314 | ||
28ea0a0c DSH |
2315 | void custom_ext_init(custom_ext_methods *meths); |
2316 | ||
4bcdb4a6 | 2317 | __owur int custom_ext_parse(SSL *s, int server, |
a230b26e EK |
2318 | unsigned int ext_type, |
2319 | const unsigned char *ext_data, size_t ext_size, | |
2320 | int *al); | |
ae2f7b37 | 2321 | __owur int custom_ext_add(SSL *s, int server, WPACKET *pkt, int *al); |
a230b26e EK |
2322 | |
2323 | __owur int custom_exts_copy(custom_ext_methods *dst, | |
2324 | const custom_ext_methods *src); | |
ecf4d660 DSH |
2325 | void custom_exts_free(custom_ext_methods *exts); |
2326 | ||
b3599dbb | 2327 | void ssl_comp_free_compression_methods_int(void); |
03b0e735 | 2328 | |
0f113f3e | 2329 | # else |
e0fc7961 | 2330 | |
0f113f3e MC |
2331 | # define ssl_init_wbio_buffer SSL_test_functions()->p_ssl_init_wbio_buffer |
2332 | # define ssl3_setup_buffers SSL_test_functions()->p_ssl3_setup_buffers | |
c4e6fb15 | 2333 | |
0f113f3e | 2334 | # endif |
e0fc7961 | 2335 | #endif |