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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 | |
890f2f8b | 351 | /* Check if an SSL structure is using DTLS */ |
0f113f3e | 352 | # define SSL_IS_DTLS(s) (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS) |
f2342b7a MC |
353 | |
354 | /* Check if we are using TLSv1.3 */ | |
c805f618 MC |
355 | # define SSL_IS_TLS13(s) (!SSL_IS_DTLS(s) \ |
356 | && (s)->method->version >= TLS1_3_VERSION \ | |
357 | && (s)->method->version != TLS_ANY_VERSION) | |
f2342b7a | 358 | |
c7f47786 MC |
359 | # define SSL_IS_FIRST_HANDSHAKE(S) ((s)->s3->tmp.finish_md_len == 0) |
360 | ||
cbd64894 | 361 | /* See if we need explicit IV */ |
0f113f3e MC |
362 | # define SSL_USE_EXPLICIT_IV(s) \ |
363 | (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_EXPLICIT_IV) | |
364 | /* | |
365 | * See if we use signature algorithms extension and signature algorithm | |
366 | * before signatures. | |
cbd64894 | 367 | */ |
0f113f3e MC |
368 | # define SSL_USE_SIGALGS(s) \ |
369 | (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_SIGALGS) | |
370 | /* | |
371 | * Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2: may | |
372 | * apply to others in future. | |
4221c0dd | 373 | */ |
0f113f3e MC |
374 | # define SSL_USE_TLS1_2_CIPHERS(s) \ |
375 | (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_TLS1_2_CIPHERS) | |
376 | /* | |
377 | * Determine if a client can use TLS 1.2 ciphersuites: can't rely on method | |
1e2d4cb0 DSH |
378 | * flags because it may not be set to correct version yet. |
379 | */ | |
0f113f3e | 380 | # define SSL_CLIENT_USE_TLS1_2_CIPHERS(s) \ |
4fa52141 VD |
381 | ((!SSL_IS_DTLS(s) && s->client_version >= TLS1_2_VERSION) || \ |
382 | (SSL_IS_DTLS(s) && DTLS_VERSION_GE(s->client_version, DTLS1_2_VERSION))) | |
f7aa3185 DB |
383 | /* |
384 | * Determine if a client should send signature algorithms extension: | |
385 | * as with TLS1.2 cipher we can't rely on method flags. | |
386 | */ | |
387 | # define SSL_CLIENT_USE_SIGALGS(s) \ | |
388 | SSL_CLIENT_USE_TLS1_2_CIPHERS(s) | |
0f113f3e | 389 | |
a230b26e | 390 | # define SSL_USE_ETM(s) (s->s3->flags & TLS1_FLAGS_ENCRYPT_THEN_MAC) |
5e3ff62c | 391 | |
d02b48c6 | 392 | /* Mostly for SSLv3 */ |
0f113f3e MC |
393 | # define SSL_PKEY_RSA_ENC 0 |
394 | # define SSL_PKEY_RSA_SIGN 1 | |
395 | # define SSL_PKEY_DSA_SIGN 2 | |
bc71f910 DSH |
396 | # define SSL_PKEY_ECC 3 |
397 | # define SSL_PKEY_GOST01 4 | |
398 | # define SSL_PKEY_GOST12_256 5 | |
399 | # define SSL_PKEY_GOST12_512 6 | |
400 | # define SSL_PKEY_NUM 7 | |
e44380a9 DB |
401 | /* |
402 | * Pseudo-constant. GOST cipher suites can use different certs for 1 | |
403 | * SSL_CIPHER. So let's see which one we have in fact. | |
404 | */ | |
405 | # define SSL_PKEY_GOST_EC SSL_PKEY_NUM+1 | |
d02b48c6 | 406 | |
1d97c843 | 407 | /*- |
361a1191 | 408 | * SSL_kRSA <- RSA_ENC |
d02b48c6 | 409 | * SSL_kDH <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN) |
5a21cadb | 410 | * SSL_kDHE <- RSA_ENC | RSA_SIGN | DSA_SIGN |
d02b48c6 RE |
411 | * SSL_aRSA <- RSA_ENC | RSA_SIGN |
412 | * SSL_aDSS <- DSA_SIGN | |
413 | */ | |
414 | ||
23a22b4c | 415 | /*- |
0f113f3e MC |
416 | #define CERT_INVALID 0 |
417 | #define CERT_PUBLIC_KEY 1 | |
418 | #define CERT_PRIVATE_KEY 2 | |
d02b48c6 RE |
419 | */ |
420 | ||
e9fa092e | 421 | /* CipherSuite length. SSLv3 and all TLS versions. */ |
a230b26e | 422 | # define TLS_CIPHER_LEN 2 |
b6ba4014 MC |
423 | /* used to hold info on the particular ciphers used */ |
424 | struct ssl_cipher_st { | |
90d9e49a | 425 | uint32_t valid; |
a230b26e EK |
426 | const char *name; /* text name */ |
427 | uint32_t id; /* id, 4 bytes, first is version */ | |
b6ba4014 | 428 | /* |
90d9e49a | 429 | * changed in 1.0.0: these four used to be portions of a single value |
b6ba4014 MC |
430 | * 'algorithms' |
431 | */ | |
a230b26e EK |
432 | uint32_t algorithm_mkey; /* key exchange algorithm */ |
433 | uint32_t algorithm_auth; /* server authentication */ | |
434 | uint32_t algorithm_enc; /* symmetric encryption */ | |
435 | uint32_t algorithm_mac; /* symmetric authentication */ | |
436 | int min_tls; /* minimum SSL/TLS protocol version */ | |
437 | int max_tls; /* maximum SSL/TLS protocol version */ | |
438 | int min_dtls; /* minimum DTLS protocol version */ | |
439 | int max_dtls; /* maximum DTLS protocol version */ | |
440 | uint32_t algo_strength; /* strength and export flags */ | |
441 | uint32_t algorithm2; /* Extra flags */ | |
442 | int32_t strength_bits; /* Number of bits really used */ | |
443 | uint32_t alg_bits; /* Number of bits for algorithm */ | |
b6ba4014 MC |
444 | }; |
445 | ||
87d9cafa | 446 | /* Used to hold SSL/TLS functions */ |
b6ba4014 MC |
447 | struct ssl_method_st { |
448 | int version; | |
4fa52141 VD |
449 | unsigned flags; |
450 | unsigned long mask; | |
b6ba4014 MC |
451 | int (*ssl_new) (SSL *s); |
452 | void (*ssl_clear) (SSL *s); | |
453 | void (*ssl_free) (SSL *s); | |
454 | int (*ssl_accept) (SSL *s); | |
455 | int (*ssl_connect) (SSL *s); | |
54105ddd MC |
456 | int (*ssl_read) (SSL *s, void *buf, size_t len, size_t *readbytes); |
457 | int (*ssl_peek) (SSL *s, void *buf, size_t len, size_t *readbytes); | |
7ee8627f | 458 | int (*ssl_write) (SSL *s, const void *buf, size_t len, size_t *written); |
b6ba4014 MC |
459 | int (*ssl_shutdown) (SSL *s); |
460 | int (*ssl_renegotiate) (SSL *s); | |
c7f47786 | 461 | int (*ssl_renegotiate_check) (SSL *s, int); |
657da85e | 462 | int (*ssl_read_bytes) (SSL *s, int type, int *recvd_type, |
eda75751 | 463 | unsigned char *buf, size_t len, int peek, |
54105ddd | 464 | size_t *readbytes); |
7ee8627f MC |
465 | int (*ssl_write_bytes) (SSL *s, int type, const void *buf_, size_t len, |
466 | size_t *written); | |
b6ba4014 MC |
467 | int (*ssl_dispatch_alert) (SSL *s); |
468 | long (*ssl_ctrl) (SSL *s, int cmd, long larg, void *parg); | |
469 | long (*ssl_ctx_ctrl) (SSL_CTX *ctx, int cmd, long larg, void *parg); | |
470 | const SSL_CIPHER *(*get_cipher_by_char) (const unsigned char *ptr); | |
ae2f7b37 | 471 | int (*put_cipher_by_char) (const SSL_CIPHER *cipher, WPACKET *pkt, |
2c7b4dbc | 472 | size_t *len); |
8b0e934a | 473 | size_t (*ssl_pending) (const SSL *s); |
b6ba4014 MC |
474 | int (*num_ciphers) (void); |
475 | const SSL_CIPHER *(*get_cipher) (unsigned ncipher); | |
b6ba4014 MC |
476 | long (*get_timeout) (void); |
477 | const struct ssl3_enc_method *ssl3_enc; /* Extra SSLv3/TLS stuff */ | |
478 | int (*ssl_version) (void); | |
479 | long (*ssl_callback_ctrl) (SSL *s, int cb_id, void (*fp) (void)); | |
480 | long (*ssl_ctx_callback_ctrl) (SSL_CTX *s, int cb_id, void (*fp) (void)); | |
481 | }; | |
482 | ||
483 | /*- | |
484 | * Lets make this into an ASN.1 type structure as follows | |
485 | * SSL_SESSION_ID ::= SEQUENCE { | |
486 | * version INTEGER, -- structure version number | |
487 | * SSLversion INTEGER, -- SSL version number | |
488 | * Cipher OCTET STRING, -- the 3 byte cipher ID | |
489 | * Session_ID OCTET STRING, -- the Session ID | |
490 | * Master_key OCTET STRING, -- the master key | |
b6ba4014 MC |
491 | * Key_Arg [ 0 ] IMPLICIT OCTET STRING, -- the optional Key argument |
492 | * Time [ 1 ] EXPLICIT INTEGER, -- optional Start Time | |
493 | * Timeout [ 2 ] EXPLICIT INTEGER, -- optional Timeout ins seconds | |
494 | * Peer [ 3 ] EXPLICIT X509, -- optional Peer Certificate | |
495 | * Session_ID_context [ 4 ] EXPLICIT OCTET STRING, -- the Session ID context | |
496 | * Verify_result [ 5 ] EXPLICIT INTEGER, -- X509_V_... code for `Peer' | |
497 | * HostName [ 6 ] EXPLICIT OCTET STRING, -- optional HostName from servername TLS extension | |
498 | * PSK_identity_hint [ 7 ] EXPLICIT OCTET STRING, -- optional PSK identity hint | |
499 | * PSK_identity [ 8 ] EXPLICIT OCTET STRING, -- optional PSK identity | |
500 | * Ticket_lifetime_hint [9] EXPLICIT INTEGER, -- server's lifetime hint for session ticket | |
501 | * Ticket [10] EXPLICIT OCTET STRING, -- session ticket (clients only) | |
502 | * Compression_meth [11] EXPLICIT OCTET STRING, -- optional compression method | |
503 | * SRP_username [ 12 ] EXPLICIT OCTET STRING -- optional SRP username | |
6f152a15 | 504 | * flags [ 13 ] EXPLICIT INTEGER -- optional flags |
b6ba4014 MC |
505 | * } |
506 | * Look in ssl/ssl_asn1.c for more details | |
507 | * I'm using EXPLICIT tags so I can read the damn things using asn1parse :-). | |
508 | */ | |
509 | struct ssl_session_st { | |
a230b26e EK |
510 | int ssl_version; /* what ssl version session info is being kept |
511 | * in here? */ | |
8c1a5343 | 512 | size_t master_key_length; |
b6ba4014 MC |
513 | unsigned char master_key[SSL_MAX_MASTER_KEY_LENGTH]; |
514 | /* session_id - valid? */ | |
ec60ccc1 | 515 | size_t session_id_length; |
b6ba4014 MC |
516 | unsigned char session_id[SSL_MAX_SSL_SESSION_ID_LENGTH]; |
517 | /* | |
518 | * this is used to determine whether the session is being reused in the | |
519 | * appropriate context. It is up to the application to set this, via | |
520 | * SSL_new | |
521 | */ | |
ec60ccc1 | 522 | size_t sid_ctx_length; |
b6ba4014 | 523 | unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH]; |
b6ba4014 MC |
524 | # ifndef OPENSSL_NO_PSK |
525 | char *psk_identity_hint; | |
526 | char *psk_identity; | |
527 | # endif | |
528 | /* | |
529 | * Used to indicate that session resumption is not allowed. Applications | |
530 | * can also set this bit for a new session via not_resumable_session_cb | |
531 | * to disable session caching and tickets. | |
532 | */ | |
533 | int not_resumable; | |
a273c6ee | 534 | /* This is the cert and type for the other end. */ |
b6ba4014 | 535 | X509 *peer; |
a273c6ee | 536 | int peer_type; |
696178ed | 537 | /* Certificate chain peer sent */ |
c34b0f99 | 538 | STACK_OF(X509) *peer_chain; |
b6ba4014 MC |
539 | /* |
540 | * when app_verify_callback accepts a session where the peer's | |
541 | * certificate is not ok, we must remember the error for session reuse: | |
542 | */ | |
543 | long verify_result; /* only for servers */ | |
2f545ae4 | 544 | CRYPTO_REF_COUNT references; |
b6ba4014 MC |
545 | long timeout; |
546 | long time; | |
547 | unsigned int compress_meth; /* Need to lookup the method */ | |
548 | const SSL_CIPHER *cipher; | |
a230b26e EK |
549 | unsigned long cipher_id; /* when ASN.1 loaded, this needs to be used to |
550 | * load the 'cipher' structure */ | |
b6ba4014 MC |
551 | STACK_OF(SSL_CIPHER) *ciphers; /* shared ciphers? */ |
552 | CRYPTO_EX_DATA ex_data; /* application specific data */ | |
553 | /* | |
554 | * These are used to make removal of session-ids more efficient and to | |
555 | * implement a maximum cache size. | |
556 | */ | |
557 | struct ssl_session_st *prev, *next; | |
aff8c126 RS |
558 | |
559 | struct { | |
560 | char *hostname; | |
e481f9b9 | 561 | # ifndef OPENSSL_NO_EC |
aff8c126 RS |
562 | size_t ecpointformats_len; |
563 | unsigned char *ecpointformats; /* peer's list */ | |
564 | size_t supportedgroups_len; | |
565 | unsigned char *supportedgroups; /* peer's list */ | |
a230b26e | 566 | # endif /* OPENSSL_NO_EC */ |
b6ba4014 | 567 | /* RFC4507 info */ |
aff8c126 RS |
568 | unsigned char *tick; /* Session ticket */ |
569 | size_t ticklen; /* Session ticket length */ | |
570 | /* Session lifetime hint in seconds */ | |
571 | unsigned long tick_lifetime_hint; | |
572 | } ext; | |
b6ba4014 MC |
573 | # ifndef OPENSSL_NO_SRP |
574 | char *srp_username; | |
575 | # endif | |
f7d53487 | 576 | uint32_t flags; |
16203f7b | 577 | CRYPTO_RWLOCK *lock; |
b6ba4014 MC |
578 | }; |
579 | ||
6f152a15 | 580 | /* Extended master secret support */ |
a230b26e | 581 | # define SSL_SESS_FLAG_EXTMS 0x1 |
b6ba4014 MC |
582 | |
583 | # ifndef OPENSSL_NO_SRP | |
584 | ||
585 | typedef struct srp_ctx_st { | |
586 | /* param for all the callbacks */ | |
587 | void *SRP_cb_arg; | |
588 | /* set client Hello login callback */ | |
589 | int (*TLS_ext_srp_username_callback) (SSL *, int *, void *); | |
590 | /* set SRP N/g param callback for verification */ | |
591 | int (*SRP_verify_param_callback) (SSL *, void *); | |
592 | /* set SRP client passwd callback */ | |
593 | char *(*SRP_give_srp_client_pwd_callback) (SSL *, void *); | |
594 | char *login; | |
595 | BIGNUM *N, *g, *s, *B, *A; | |
596 | BIGNUM *a, *b, *v; | |
597 | char *info; | |
598 | int strength; | |
599 | unsigned long srp_Mask; | |
600 | } SRP_CTX; | |
601 | ||
602 | # endif | |
603 | ||
b6ba4014 MC |
604 | struct ssl_comp_st { |
605 | int id; | |
606 | const char *name; | |
b6ba4014 | 607 | COMP_METHOD *method; |
b6ba4014 MC |
608 | }; |
609 | ||
89d6aa10 | 610 | DEFINE_LHASH_OF(SSL_SESSION); |
ce023e77 VD |
611 | /* Needed in ssl_cert.c */ |
612 | DEFINE_LHASH_OF(X509_NAME); | |
f8e0a557 | 613 | |
a230b26e | 614 | # define TLSEXT_KEYNAME_LENGTH 16 |
d139723b | 615 | |
b6ba4014 MC |
616 | struct ssl_ctx_st { |
617 | const SSL_METHOD *method; | |
618 | STACK_OF(SSL_CIPHER) *cipher_list; | |
619 | /* same as above but sorted for lookup */ | |
620 | STACK_OF(SSL_CIPHER) *cipher_list_by_id; | |
621 | struct x509_store_st /* X509_STORE */ *cert_store; | |
622 | LHASH_OF(SSL_SESSION) *sessions; | |
623 | /* | |
624 | * Most session-ids that will be cached, default is | |
625 | * SSL_SESSION_CACHE_MAX_SIZE_DEFAULT. 0 is unlimited. | |
626 | */ | |
cb150cbc | 627 | size_t session_cache_size; |
b6ba4014 MC |
628 | struct ssl_session_st *session_cache_head; |
629 | struct ssl_session_st *session_cache_tail; | |
630 | /* | |
631 | * This can have one of 2 values, ored together, SSL_SESS_CACHE_CLIENT, | |
632 | * SSL_SESS_CACHE_SERVER, Default is SSL_SESSION_CACHE_SERVER, which | |
633 | * means only SSL_accept which cache SSL_SESSIONS. | |
634 | */ | |
f7d53487 | 635 | uint32_t session_cache_mode; |
b6ba4014 MC |
636 | /* |
637 | * If timeout is not 0, it is the default timeout value set when | |
638 | * SSL_new() is called. This has been put in to make life easier to set | |
639 | * things up | |
640 | */ | |
641 | long session_timeout; | |
642 | /* | |
643 | * If this callback is not null, it will be called each time a session id | |
644 | * is added to the cache. If this function returns 1, it means that the | |
645 | * callback will do a SSL_SESSION_free() when it has finished using it. | |
646 | * Otherwise, on 0, it means the callback has finished with it. If | |
647 | * remove_session_cb is not null, it will be called when a session-id is | |
648 | * removed from the cache. After the call, OpenSSL will | |
649 | * SSL_SESSION_free() it. | |
650 | */ | |
651 | int (*new_session_cb) (struct ssl_st *ssl, SSL_SESSION *sess); | |
652 | void (*remove_session_cb) (struct ssl_ctx_st *ctx, SSL_SESSION *sess); | |
653 | SSL_SESSION *(*get_session_cb) (struct ssl_st *ssl, | |
b6981744 EK |
654 | const unsigned char *data, int len, |
655 | int *copy); | |
b6ba4014 MC |
656 | struct { |
657 | int sess_connect; /* SSL new conn - started */ | |
658 | int sess_connect_renegotiate; /* SSL reneg - requested */ | |
659 | int sess_connect_good; /* SSL new conne/reneg - finished */ | |
660 | int sess_accept; /* SSL new accept - started */ | |
661 | int sess_accept_renegotiate; /* SSL reneg - requested */ | |
662 | int sess_accept_good; /* SSL accept/reneg - finished */ | |
663 | int sess_miss; /* session lookup misses */ | |
664 | int sess_timeout; /* reuse attempt on timeouted session */ | |
665 | int sess_cache_full; /* session removed due to full cache */ | |
666 | int sess_hit; /* session reuse actually done */ | |
667 | int sess_cb_hit; /* session-id that was not in the cache was | |
668 | * passed back via the callback. This | |
a230b26e EK |
669 | * indicates that the application is supplying |
670 | * session-id's from other processes - spooky | |
671 | * :-) */ | |
b6ba4014 MC |
672 | } stats; |
673 | ||
2f545ae4 | 674 | CRYPTO_REF_COUNT references; |
b6ba4014 MC |
675 | |
676 | /* if defined, these override the X509_verify_cert() calls */ | |
677 | int (*app_verify_callback) (X509_STORE_CTX *, void *); | |
678 | void *app_verify_arg; | |
679 | /* | |
680 | * before OpenSSL 0.9.7, 'app_verify_arg' was ignored | |
681 | * ('app_verify_callback' was called with just one argument) | |
682 | */ | |
683 | ||
684 | /* Default password callback. */ | |
685 | pem_password_cb *default_passwd_callback; | |
686 | ||
687 | /* Default password callback user data. */ | |
688 | void *default_passwd_callback_userdata; | |
689 | ||
690 | /* get client cert callback */ | |
691 | int (*client_cert_cb) (SSL *ssl, X509 **x509, EVP_PKEY **pkey); | |
692 | ||
693 | /* cookie generate callback */ | |
694 | int (*app_gen_cookie_cb) (SSL *ssl, unsigned char *cookie, | |
695 | unsigned int *cookie_len); | |
696 | ||
697 | /* verify cookie callback */ | |
31011544 | 698 | int (*app_verify_cookie_cb) (SSL *ssl, const unsigned char *cookie, |
b6ba4014 MC |
699 | unsigned int cookie_len); |
700 | ||
701 | CRYPTO_EX_DATA ex_data; | |
702 | ||
703 | const EVP_MD *md5; /* For SSLv3/TLSv1 'ssl3-md5' */ | |
704 | const EVP_MD *sha1; /* For SSLv3/TLSv1 'ssl3->sha1' */ | |
705 | ||
706 | STACK_OF(X509) *extra_certs; | |
707 | STACK_OF(SSL_COMP) *comp_methods; /* stack of SSL_COMP, SSLv3/TLSv1 */ | |
708 | ||
709 | /* Default values used when no per-SSL value is defined follow */ | |
710 | ||
711 | /* used if SSL's info_callback is NULL */ | |
712 | void (*info_callback) (const SSL *ssl, int type, int val); | |
713 | ||
714 | /* what we put in client cert requests */ | |
715 | STACK_OF(X509_NAME) *client_CA; | |
716 | ||
717 | /* | |
718 | * Default values to use in SSL structures follow (these are copied by | |
719 | * SSL_new) | |
720 | */ | |
721 | ||
f7d53487 DSH |
722 | uint32_t options; |
723 | uint32_t mode; | |
7946ab33 KR |
724 | int min_proto_version; |
725 | int max_proto_version; | |
12472b45 | 726 | size_t max_cert_list; |
b6ba4014 MC |
727 | |
728 | struct cert_st /* CERT */ *cert; | |
729 | int read_ahead; | |
730 | ||
731 | /* callback that allows applications to peek at protocol messages */ | |
732 | void (*msg_callback) (int write_p, int version, int content_type, | |
733 | const void *buf, size_t len, SSL *ssl, void *arg); | |
734 | void *msg_callback_arg; | |
735 | ||
f7d53487 | 736 | uint32_t verify_mode; |
ec60ccc1 | 737 | size_t sid_ctx_length; |
b6ba4014 MC |
738 | unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH]; |
739 | /* called 'verify_callback' in the SSL */ | |
740 | int (*default_verify_callback) (int ok, X509_STORE_CTX *ctx); | |
741 | ||
742 | /* Default generate session ID callback. */ | |
743 | GEN_SESSION_CB generate_session_id; | |
744 | ||
745 | X509_VERIFY_PARAM *param; | |
746 | ||
747 | int quiet_shutdown; | |
748 | ||
a230b26e EK |
749 | # ifndef OPENSSL_NO_CT |
750 | CTLOG_STORE *ctlog_store; /* CT Log Store */ | |
ed29e82a | 751 | /* |
a230b26e EK |
752 | * Validates that the SCTs (Signed Certificate Timestamps) are sufficient. |
753 | * If they are not, the connection should be aborted. | |
754 | */ | |
43341433 | 755 | ssl_ct_validation_cb ct_validation_callback; |
ed29e82a | 756 | void *ct_validation_callback_arg; |
a230b26e | 757 | # endif |
ed29e82a | 758 | |
d102d9df MC |
759 | /* |
760 | * If we're using more than one pipeline how should we divide the data | |
761 | * up between the pipes? | |
762 | */ | |
7ee8627f | 763 | size_t split_send_fragment; |
b6ba4014 MC |
764 | /* |
765 | * Maximum amount of data to send in one fragment. actual record size can | |
766 | * be more than this due to padding and MAC overheads. | |
767 | */ | |
7ee8627f | 768 | size_t max_send_fragment; |
b6ba4014 | 769 | |
d102d9df | 770 | /* Up to how many pipelines should we use? If 0 then 1 is assumed */ |
7ee8627f | 771 | size_t max_pipelines; |
d102d9df | 772 | |
dad78fb1 MC |
773 | /* The default read buffer length to use (0 means not set) */ |
774 | size_t default_read_buf_len; | |
775 | ||
a230b26e | 776 | # ifndef OPENSSL_NO_ENGINE |
b6ba4014 MC |
777 | /* |
778 | * Engine to pass requests for client certs to | |
779 | */ | |
780 | ENGINE *client_cert_engine; | |
a230b26e | 781 | # endif |
b6ba4014 | 782 | |
aff8c126 RS |
783 | /* TLS extensions. */ |
784 | struct { | |
785 | /* TLS extensions servername callback */ | |
786 | int (*servername_cb) (SSL *, int *, void *); | |
787 | void *servername_arg; | |
788 | /* RFC 4507 session ticket keys */ | |
789 | unsigned char tick_key_name[TLSEXT_KEYNAME_LENGTH]; | |
790 | unsigned char tick_hmac_key[32]; | |
791 | unsigned char tick_aes_key[32]; | |
792 | /* Callback to support customisation of ticket key setting */ | |
793 | int (*ticket_key_cb) (SSL *ssl, | |
794 | unsigned char *name, unsigned char *iv, | |
795 | EVP_CIPHER_CTX *ectx, HMAC_CTX *hctx, int enc); | |
796 | ||
797 | /* certificate status request info */ | |
798 | /* Callback for status request */ | |
799 | int (*status_cb) (SSL *ssl, void *arg); | |
800 | void *status_arg; | |
801 | /* ext status type used for CSR extension (OCSP Stapling) */ | |
802 | int status_type; | |
b6ba4014 | 803 | |
aff8c126 RS |
804 | # ifndef OPENSSL_NO_EC |
805 | /* EC extension values inherited by SSL structure */ | |
806 | size_t ecpointformats_len; | |
807 | unsigned char *ecpointformats; | |
808 | size_t supportedgroups_len; | |
809 | unsigned char *supportedgroups; | |
810 | # endif /* OPENSSL_NO_EC */ | |
b6ba4014 | 811 | |
aff8c126 RS |
812 | /* |
813 | * ALPN information (we are in the process of transitioning from NPN to | |
814 | * ALPN.) | |
815 | */ | |
b6ba4014 MC |
816 | |
817 | /*- | |
818 | * For a server, this contains a callback function that allows the | |
819 | * server to select the protocol for the connection. | |
820 | * out: on successful return, this must point to the raw protocol | |
821 | * name (without the length prefix). | |
822 | * outlen: on successful return, this contains the length of |*out|. | |
823 | * in: points to the client's list of supported protocols in | |
824 | * wire-format. | |
825 | * inlen: the length of |in|. | |
826 | */ | |
aff8c126 RS |
827 | int (*alpn_select_cb) (SSL *s, |
828 | const unsigned char **out, | |
829 | unsigned char *outlen, | |
830 | const unsigned char *in, | |
831 | unsigned int inlen, void *arg); | |
832 | void *alpn_select_cb_arg; | |
b6ba4014 | 833 | |
aff8c126 RS |
834 | /* |
835 | * For a client, this contains the list of supported protocols in wire | |
836 | * format. | |
837 | */ | |
838 | unsigned char *alpn; | |
839 | size_t alpn_len; | |
840 | ||
e3bc1305 | 841 | # ifndef OPENSSL_NO_NEXTPROTONEG |
aff8c126 RS |
842 | /* Next protocol negotiation information */ |
843 | ||
844 | /* | |
845 | * For a server, this contains a callback function by which the set of | |
846 | * advertised protocols can be provided. | |
847 | */ | |
8cbfcc70 | 848 | SSL_CTX_npn_advertised_cb_func npn_advertised_cb; |
aff8c126 RS |
849 | void *npn_advertised_cb_arg; |
850 | /* | |
851 | * For a client, this contains a callback function that selects the next | |
852 | * protocol from the list provided by the server. | |
853 | */ | |
8cbfcc70 | 854 | SSL_CTX_npn_select_cb_func npn_select_cb; |
aff8c126 RS |
855 | void *npn_select_cb_arg; |
856 | # endif | |
857 | } ext; | |
858 | ||
859 | # ifndef OPENSSL_NO_PSK | |
8cbfcc70 RS |
860 | SSL_psk_client_cb_func psk_client_callback; |
861 | SSL_psk_server_cb_func psk_server_callback; | |
aff8c126 RS |
862 | # endif |
863 | ||
864 | # ifndef OPENSSL_NO_SRP | |
865 | SRP_CTX srp_ctx; /* ctx for SRP authentication */ | |
866 | # endif | |
b6ba4014 | 867 | |
919ba009 VD |
868 | /* Shared DANE context */ |
869 | struct dane_ctx_st dane; | |
870 | ||
b6ba4014 MC |
871 | /* SRTP profiles we are willing to do from RFC 5764 */ |
872 | STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles; | |
b6ba4014 MC |
873 | /* |
874 | * Callback for disabling session caching and ticket support on a session | |
875 | * basis, depending on the chosen cipher. | |
876 | */ | |
877 | int (*not_resumable_session_cb) (SSL *ssl, int is_forward_secure); | |
ba261f71 | 878 | |
16203f7b | 879 | CRYPTO_RWLOCK *lock; |
2faa1b48 CB |
880 | |
881 | /* | |
882 | * Callback for logging key material for use with debugging tools like | |
883 | * Wireshark. The callback should log `line` followed by a newline. | |
884 | */ | |
885 | SSL_CTX_keylog_cb_func keylog_callback; | |
b6ba4014 MC |
886 | }; |
887 | ||
b6ba4014 MC |
888 | struct ssl_st { |
889 | /* | |
890 | * protocol version (one of SSL2_VERSION, SSL3_VERSION, TLS1_VERSION, | |
891 | * DTLS1_VERSION) | |
892 | */ | |
893 | int version; | |
b6ba4014 MC |
894 | /* SSLv3 */ |
895 | const SSL_METHOD *method; | |
896 | /* | |
897 | * There are 2 BIO's even though they are normally both the same. This | |
898 | * is so data can be read and written to different handlers | |
899 | */ | |
900 | /* used by SSL_read */ | |
901 | BIO *rbio; | |
902 | /* used by SSL_write */ | |
903 | BIO *wbio; | |
904 | /* used during session-id reuse to concatenate messages */ | |
905 | BIO *bbio; | |
906 | /* | |
907 | * This holds a variable that indicates what we were doing when a 0 or -1 | |
908 | * is returned. This is needed for non-blocking IO so we know what | |
909 | * request needs re-doing when in SSL_accept or SSL_connect | |
910 | */ | |
911 | int rwstate; | |
b6ba4014 MC |
912 | int (*handshake_func) (SSL *); |
913 | /* | |
914 | * Imagine that here's a boolean member "init" that is switched as soon | |
915 | * as SSL_set_{accept/connect}_state is called for the first time, so | |
916 | * that "state" and "handshake_func" are properly initialized. But as | |
917 | * handshake_func is == 0 until then, we use this test instead of an | |
918 | * "init" member. | |
919 | */ | |
23a635c0 | 920 | /* are we the server side? */ |
b6ba4014 MC |
921 | int server; |
922 | /* | |
923 | * Generate a new session or reuse an old one. | |
924 | * NB: For servers, the 'new' session may actually be a previously | |
925 | * cached session or even the previous session unless | |
926 | * SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION is set | |
927 | */ | |
928 | int new_session; | |
929 | /* don't send shutdown packets */ | |
930 | int quiet_shutdown; | |
931 | /* we have shut things down, 0x01 sent, 0x02 for received */ | |
932 | int shutdown; | |
933 | /* where we are */ | |
d6f1a6e9 | 934 | OSSL_STATEM statem; |
b6ba4014 MC |
935 | BUF_MEM *init_buf; /* buffer used during init */ |
936 | void *init_msg; /* pointer to handshake message body, set by | |
937 | * ssl3_get_message() */ | |
eda75751 MC |
938 | size_t init_num; /* amount read/written */ |
939 | size_t init_off; /* amount read/written */ | |
b6ba4014 MC |
940 | struct ssl3_state_st *s3; /* SSLv3 variables */ |
941 | struct dtls1_state_st *d1; /* DTLSv1 variables */ | |
b6ba4014 MC |
942 | /* callback that allows applications to peek at protocol messages */ |
943 | void (*msg_callback) (int write_p, int version, int content_type, | |
944 | const void *buf, size_t len, SSL *ssl, void *arg); | |
945 | void *msg_callback_arg; | |
946 | int hit; /* reusing a previous session */ | |
947 | X509_VERIFY_PARAM *param; | |
919ba009 | 948 | /* Per connection DANE state */ |
b9aec69a | 949 | SSL_DANE dane; |
b6ba4014 MC |
950 | /* crypto */ |
951 | STACK_OF(SSL_CIPHER) *cipher_list; | |
952 | STACK_OF(SSL_CIPHER) *cipher_list_by_id; | |
953 | /* | |
954 | * These are the ones being used, the ones in SSL_SESSION are the ones to | |
955 | * be 'copied' into these ones | |
956 | */ | |
f7d53487 | 957 | uint32_t mac_flags; |
34574f19 MC |
958 | /* |
959 | * The TLS1.3 early_secret and handshake_secret. The master_secret is stored | |
960 | * in the session. | |
961 | */ | |
962 | unsigned char early_secret[EVP_MAX_MD_SIZE]; | |
963 | unsigned char handshake_secret[EVP_MAX_MD_SIZE]; | |
6484776f MC |
964 | unsigned char client_finished_secret[EVP_MAX_MD_SIZE]; |
965 | unsigned char server_finished_secret[EVP_MAX_MD_SIZE]; | |
ace081c1 | 966 | unsigned char server_finished_hash[EVP_MAX_MD_SIZE]; |
b6ba4014 | 967 | EVP_CIPHER_CTX *enc_read_ctx; /* cryptographic state */ |
bebc0c7d | 968 | unsigned char read_iv[EVP_MAX_IV_LENGTH]; /* TLSv1.3 static read IV */ |
b6ba4014 | 969 | EVP_MD_CTX *read_hash; /* used for mac generation */ |
9a555706 | 970 | COMP_CTX *compress; /* compression */ |
b6ba4014 | 971 | COMP_CTX *expand; /* uncompress */ |
b6ba4014 | 972 | EVP_CIPHER_CTX *enc_write_ctx; /* cryptographic state */ |
bebc0c7d | 973 | unsigned char write_iv[EVP_MAX_IV_LENGTH]; /* TLSv1.3 static write IV */ |
b6ba4014 | 974 | EVP_MD_CTX *write_hash; /* used for mac generation */ |
b6ba4014 MC |
975 | /* session info */ |
976 | /* client cert? */ | |
977 | /* This is used to hold the server certificate used */ | |
978 | struct cert_st /* CERT */ *cert; | |
2c5dfdc3 MC |
979 | |
980 | /* | |
981 | * The hash of all messages prior to the CertificateVerify, and the length | |
982 | * of that hash. | |
983 | */ | |
984 | unsigned char cert_verify_hash[EVP_MAX_MD_SIZE]; | |
985 | size_t cert_verify_hash_len; | |
986 | ||
b6ba4014 MC |
987 | /* |
988 | * the session_id_context is used to ensure sessions are only reused in | |
989 | * the appropriate context | |
990 | */ | |
ec60ccc1 | 991 | size_t sid_ctx_length; |
b6ba4014 MC |
992 | unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH]; |
993 | /* This can also be in the session once a session is established */ | |
994 | SSL_SESSION *session; | |
995 | /* Default generate session ID callback. */ | |
996 | GEN_SESSION_CB generate_session_id; | |
997 | /* Used in SSL3 */ | |
998 | /* | |
999 | * 0 don't care about verify failure. | |
1000 | * 1 fail if verify fails | |
1001 | */ | |
f7d53487 | 1002 | uint32_t verify_mode; |
b6ba4014 MC |
1003 | /* fail if callback returns 0 */ |
1004 | int (*verify_callback) (int ok, X509_STORE_CTX *ctx); | |
1005 | /* optional informational callback */ | |
1006 | void (*info_callback) (const SSL *ssl, int type, int val); | |
1007 | /* error bytes to be written */ | |
1008 | int error; | |
1009 | /* actual code */ | |
1010 | int error_code; | |
a230b26e | 1011 | # ifndef OPENSSL_NO_PSK |
8cbfcc70 RS |
1012 | SSL_psk_client_cb_func psk_client_callback; |
1013 | SSL_psk_server_cb_func psk_server_callback; | |
a230b26e | 1014 | # endif |
b6ba4014 | 1015 | SSL_CTX *ctx; |
696178ed DSH |
1016 | /* Verified chain of peer */ |
1017 | STACK_OF(X509) *verified_chain; | |
b6ba4014 | 1018 | long verify_result; |
696178ed | 1019 | /* extra application data */ |
b6ba4014 MC |
1020 | CRYPTO_EX_DATA ex_data; |
1021 | /* for server side, keep the list of CA_dn we can use */ | |
1022 | STACK_OF(X509_NAME) *client_CA; | |
2f545ae4 | 1023 | CRYPTO_REF_COUNT references; |
b6ba4014 | 1024 | /* protocol behaviour */ |
f7d53487 | 1025 | uint32_t options; |
b6ba4014 | 1026 | /* API behaviour */ |
f7d53487 | 1027 | uint32_t mode; |
7946ab33 KR |
1028 | int min_proto_version; |
1029 | int max_proto_version; | |
12472b45 | 1030 | size_t max_cert_list; |
b6ba4014 | 1031 | int first_packet; |
7acb8b64 MC |
1032 | /* |
1033 | * What was passed in ClientHello.legacy_version. Used for RSA pre-master | |
1034 | * secret and SSLv3/TLS (<=1.2) rollback check | |
1035 | */ | |
b6ba4014 | 1036 | int client_version; |
d102d9df MC |
1037 | /* |
1038 | * If we're using more than one pipeline how should we divide the data | |
1039 | * up between the pipes? | |
1040 | */ | |
7ee8627f | 1041 | size_t split_send_fragment; |
d102d9df MC |
1042 | /* |
1043 | * Maximum amount of data to send in one fragment. actual record size can | |
1044 | * be more than this due to padding and MAC overheads. | |
1045 | */ | |
7ee8627f | 1046 | size_t max_send_fragment; |
d102d9df | 1047 | /* Up to how many pipelines should we use? If 0 then 1 is assumed */ |
7ee8627f | 1048 | size_t max_pipelines; |
aff8c126 RS |
1049 | |
1050 | struct { | |
1051 | /* TLS extension debug callback */ | |
1ed327f7 RS |
1052 | void (*debug_cb)(SSL *s, int client_server, int type, |
1053 | const unsigned char *data, int len, void *arg); | |
aff8c126 RS |
1054 | void *debug_arg; |
1055 | char *hostname; | |
1056 | /* certificate status request info */ | |
1057 | /* Status type or -1 if no status type */ | |
1058 | int status_type; | |
1059 | /* Raw extension data, if seen */ | |
1060 | unsigned char *scts; | |
1061 | /* Length of raw extension data, if seen */ | |
1062 | uint16_t scts_len; | |
1063 | /* Expect OCSP CertificateStatus message */ | |
1064 | int status_expected; | |
1065 | ||
1066 | struct { | |
1067 | /* OCSP status request only */ | |
1068 | STACK_OF(OCSP_RESPID) *ids; | |
1069 | X509_EXTENSIONS *exts; | |
1070 | /* OCSP response received or to be sent */ | |
1071 | unsigned char *resp; | |
1072 | size_t resp_len; | |
1073 | } ocsp; | |
1074 | ||
1075 | /* RFC4507 session ticket expected to be received or sent */ | |
1076 | int ticket_expected; | |
1077 | # ifndef OPENSSL_NO_EC | |
1078 | size_t ecpointformats_len; | |
1079 | /* our list */ | |
1080 | unsigned char *ecpointformats; | |
1081 | size_t supportedgroups_len; | |
1082 | /* our list */ | |
1083 | unsigned char *supportedgroups; | |
1084 | # endif /* OPENSSL_NO_EC */ | |
1085 | /* TLS Session Ticket extension override */ | |
1086 | TLS_SESSION_TICKET_EXT *session_ticket; | |
1087 | /* TLS Session Ticket extension callback */ | |
1088 | tls_session_ticket_ext_cb_fn session_ticket_cb; | |
1089 | void *session_ticket_cb_arg; | |
1090 | /* TLS pre-shared secret session resumption */ | |
1091 | tls_session_secret_cb_fn session_secret_cb; | |
1092 | void *session_secret_cb_arg; | |
1093 | /* | |
1094 | * For a client, this contains the list of supported protocols in wire | |
1095 | * format. | |
1096 | */ | |
1097 | unsigned char *alpn; | |
1098 | size_t alpn_len; | |
1099 | /* | |
1100 | * Next protocol negotiation. For the client, this is the protocol that | |
1101 | * we sent in NextProtocol and is set when handling ServerHello | |
1102 | * extensions. For a server, this is the client's selected_protocol from | |
1103 | * NextProtocol and is set when handling the NextProtocol message, before | |
1104 | * the Finished message. | |
1105 | */ | |
1106 | unsigned char *npn; | |
1107 | size_t npn_len; | |
b2f7e8c0 MC |
1108 | |
1109 | /* The selected PSK key exchange mode */ | |
1110 | int psk_kex_mode; | |
aff8c126 RS |
1111 | } ext; |
1112 | ||
b6ba4014 MC |
1113 | /*- |
1114 | * no further mod of servername | |
1115 | * 0 : call the servername extension callback. | |
1116 | * 1 : prepare 2, allow last ack just after in server callback. | |
1117 | * 2 : don't call servername callback, no ack in server hello | |
1118 | */ | |
1119 | int servername_done; | |
a230b26e | 1120 | # ifndef OPENSSL_NO_CT |
ed29e82a | 1121 | /* |
a230b26e EK |
1122 | * Validates that the SCTs (Signed Certificate Timestamps) are sufficient. |
1123 | * If they are not, the connection should be aborted. | |
1124 | */ | |
43341433 | 1125 | ssl_ct_validation_cb ct_validation_callback; |
48722ff5 | 1126 | /* User-supplied argument that is passed to the ct_validation_callback */ |
ed29e82a RP |
1127 | void *ct_validation_callback_arg; |
1128 | /* | |
1129 | * Consolidated stack of SCTs from all sources. | |
1130 | * Lazily populated by CT_get_peer_scts(SSL*) | |
1131 | */ | |
1132 | STACK_OF(SCT) *scts; | |
ed29e82a RP |
1133 | /* Have we attempted to find/parse SCTs yet? */ |
1134 | int scts_parsed; | |
a230b26e | 1135 | # endif |
b6ba4014 | 1136 | SSL_CTX *initial_ctx; /* initial ctx, used to store sessions */ |
a230b26e | 1137 | # ifndef OPENSSL_NO_NEXTPROTONEG |
a230b26e EK |
1138 | # endif |
1139 | # define session_ctx initial_ctx | |
b6ba4014 MC |
1140 | /* What we'll do */ |
1141 | STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles; | |
1142 | /* What's been chosen */ | |
1143 | SRTP_PROTECTION_PROFILE *srtp_profile; | |
b6ba4014 MC |
1144 | /*- |
1145 | * 1 if we are renegotiating. | |
1146 | * 2 if we are a server and are inside a handshake | |
1147 | * (i.e. not just sending a HelloRequest) | |
1148 | */ | |
1149 | int renegotiate; | |
a230b26e | 1150 | # ifndef OPENSSL_NO_SRP |
b6ba4014 MC |
1151 | /* ctx for SRP authentication */ |
1152 | SRP_CTX srp_ctx; | |
a230b26e | 1153 | # endif |
b6ba4014 MC |
1154 | /* |
1155 | * Callback for disabling session caching and ticket support on a session | |
1156 | * basis, depending on the chosen cipher. | |
1157 | */ | |
1158 | int (*not_resumable_session_cb) (SSL *ssl, int is_forward_secure); | |
28d59af8 | 1159 | RECORD_LAYER rlayer; |
a974e64a MC |
1160 | /* Default password callback. */ |
1161 | pem_password_cb *default_passwd_callback; | |
a974e64a MC |
1162 | /* Default password callback user data. */ |
1163 | void *default_passwd_callback_userdata; | |
07bbc92c MC |
1164 | /* Async Job info */ |
1165 | ASYNC_JOB *job; | |
ff75a257 | 1166 | ASYNC_WAIT_CTX *waitctx; |
7ee8627f | 1167 | size_t asyncrw; |
eda75751 | 1168 | |
16203f7b | 1169 | CRYPTO_RWLOCK *lock; |
b6ba4014 MC |
1170 | }; |
1171 | ||
b6ba4014 MC |
1172 | typedef struct ssl3_state_st { |
1173 | long flags; | |
b43d1cbb | 1174 | size_t read_mac_secret_size; |
b6ba4014 | 1175 | unsigned char read_mac_secret[EVP_MAX_MD_SIZE]; |
b43d1cbb | 1176 | size_t write_mac_secret_size; |
b6ba4014 MC |
1177 | unsigned char write_mac_secret[EVP_MAX_MD_SIZE]; |
1178 | unsigned char server_random[SSL3_RANDOM_SIZE]; | |
1179 | unsigned char client_random[SSL3_RANDOM_SIZE]; | |
1180 | /* flags for countermeasure against known-IV weakness */ | |
1181 | int need_empty_fragments; | |
1182 | int empty_fragment_done; | |
b6ba4014 MC |
1183 | /* used during startup, digest all incoming/outgoing packets */ |
1184 | BIO *handshake_buffer; | |
1185 | /* | |
28ba2541 DSH |
1186 | * When handshake digest is determined, buffer is hashed and |
1187 | * freed and MD_CTX for the required digest is stored here. | |
b6ba4014 | 1188 | */ |
28ba2541 | 1189 | EVP_MD_CTX *handshake_dgst; |
b6ba4014 MC |
1190 | /* |
1191 | * Set whenever an expected ChangeCipherSpec message is processed. | |
1192 | * Unset when the peer's Finished message is received. | |
1193 | * Unexpected ChangeCipherSpec messages trigger a fatal alert. | |
1194 | */ | |
1195 | int change_cipher_spec; | |
1196 | int warn_alert; | |
1197 | int fatal_alert; | |
1198 | /* | |
1199 | * we allow one fatal and one warning alert to be outstanding, send close | |
1200 | * alert via the warning alert | |
1201 | */ | |
1202 | int alert_dispatch; | |
1203 | unsigned char send_alert[2]; | |
1204 | /* | |
1205 | * This flag is set when we should renegotiate ASAP, basically when there | |
1206 | * is no more data in the read or write buffers | |
1207 | */ | |
1208 | int renegotiate; | |
1209 | int total_renegotiations; | |
1210 | int num_renegotiations; | |
1211 | int in_read_app_data; | |
1212 | struct { | |
b6ba4014 MC |
1213 | /* actually only need to be 16+20 for SSLv3 and 12 for TLS */ |
1214 | unsigned char finish_md[EVP_MAX_MD_SIZE * 2]; | |
12472b45 | 1215 | size_t finish_md_len; |
b6ba4014 | 1216 | unsigned char peer_finish_md[EVP_MAX_MD_SIZE * 2]; |
12472b45 | 1217 | size_t peer_finish_md_len; |
eda75751 | 1218 | size_t message_size; |
b6ba4014 MC |
1219 | int message_type; |
1220 | /* used to hold the new cipher we are going to use */ | |
1221 | const SSL_CIPHER *new_cipher; | |
a230b26e EK |
1222 | # if !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_DH) |
1223 | EVP_PKEY *pkey; /* holds short lived DH/ECDH key */ | |
1224 | # endif | |
b6ba4014 MC |
1225 | /* used for certificate requests */ |
1226 | int cert_req; | |
1227 | int ctype_num; | |
1228 | char ctype[SSL3_CT_NUMBER]; | |
1229 | STACK_OF(X509_NAME) *ca_names; | |
8c1a5343 | 1230 | size_t key_block_length; |
b6ba4014 MC |
1231 | unsigned char *key_block; |
1232 | const EVP_CIPHER *new_sym_enc; | |
1233 | const EVP_MD *new_hash; | |
1234 | int new_mac_pkey_type; | |
b43d1cbb | 1235 | size_t new_mac_secret_size; |
a230b26e | 1236 | # ifndef OPENSSL_NO_COMP |
b6ba4014 | 1237 | const SSL_COMP *new_compression; |
a230b26e | 1238 | # else |
b6ba4014 | 1239 | char *new_compression; |
a230b26e | 1240 | # endif |
b6ba4014 | 1241 | int cert_request; |
76106e60 DSH |
1242 | /* Raw values of the cipher list from a client */ |
1243 | unsigned char *ciphers_raw; | |
1244 | size_t ciphers_rawlen; | |
1245 | /* Temporary storage for premaster secret */ | |
1246 | unsigned char *pms; | |
1247 | size_t pmslen; | |
a230b26e | 1248 | # ifndef OPENSSL_NO_PSK |
64651d39 DSH |
1249 | /* Temporary storage for PSK key */ |
1250 | unsigned char *psk; | |
1251 | size_t psklen; | |
a230b26e | 1252 | # endif |
76106e60 DSH |
1253 | /* |
1254 | * signature algorithms peer reports: e.g. supported signature | |
1255 | * algorithms extension for server or as part of a certificate | |
1256 | * request for client. | |
1257 | */ | |
703bcee0 | 1258 | unsigned int *peer_sigalgs; |
76106e60 DSH |
1259 | /* Size of above array */ |
1260 | size_t peer_sigalgslen; | |
d376e57d DSH |
1261 | /* Digest peer uses for signing */ |
1262 | const EVP_MD *peer_md; | |
1263 | /* Array of digests used for signing */ | |
1264 | const EVP_MD *md[SSL_PKEY_NUM]; | |
6383d316 DSH |
1265 | /* |
1266 | * Set if corresponding CERT_PKEY can be used with current | |
1267 | * SSL session: e.g. appropriate curve, signature algorithms etc. | |
1268 | * If zero it can't be used at all. | |
1269 | */ | |
f7d53487 | 1270 | uint32_t valid_flags[SSL_PKEY_NUM]; |
4d69f9e6 DSH |
1271 | /* |
1272 | * For servers the following masks are for the key and auth algorithms | |
1273 | * that are supported by the certs below. For clients they are masks of | |
1274 | * *disabled* algorithms based on the current session. | |
1275 | */ | |
90d9e49a DSH |
1276 | uint32_t mask_k; |
1277 | uint32_t mask_a; | |
3eb2aff4 KR |
1278 | /* |
1279 | * The following are used by the client to see if a cipher is allowed or | |
1280 | * not. It contains the minimum and maximum version the client's using | |
1281 | * based on what it knows so far. | |
1282 | */ | |
1283 | int min_ver; | |
1284 | int max_ver; | |
b6ba4014 MC |
1285 | } tmp; |
1286 | ||
1287 | /* Connection binding to prevent renegotiation attacks */ | |
1288 | unsigned char previous_client_finished[EVP_MAX_MD_SIZE]; | |
12472b45 | 1289 | size_t previous_client_finished_len; |
b6ba4014 | 1290 | unsigned char previous_server_finished[EVP_MAX_MD_SIZE]; |
12472b45 | 1291 | size_t previous_server_finished_len; |
b6ba4014 MC |
1292 | int send_connection_binding; /* TODOEKR */ |
1293 | ||
a230b26e | 1294 | # ifndef OPENSSL_NO_NEXTPROTONEG |
b6ba4014 MC |
1295 | /* |
1296 | * Set if we saw the Next Protocol Negotiation extension from our peer. | |
1297 | */ | |
aff8c126 | 1298 | int npn_seen; |
a230b26e | 1299 | # endif |
b6ba4014 | 1300 | |
b6ba4014 MC |
1301 | /* |
1302 | * ALPN information (we are in the process of transitioning from NPN to | |
1303 | * ALPN.) | |
1304 | */ | |
1305 | ||
1306 | /* | |
1307 | * In a server these point to the selected ALPN protocol after the | |
1308 | * ClientHello has been processed. In a client these contain the protocol | |
1309 | * that the server selected once the ServerHello has been processed. | |
1310 | */ | |
1311 | unsigned char *alpn_selected; | |
817cd0d5 TS |
1312 | size_t alpn_selected_len; |
1313 | /* used by the server to know what options were proposed */ | |
1314 | unsigned char *alpn_proposed; | |
1315 | size_t alpn_proposed_len; | |
1316 | /* used by the client to know if it actually sent alpn */ | |
1317 | int alpn_sent; | |
b6ba4014 | 1318 | |
a230b26e | 1319 | # ifndef OPENSSL_NO_EC |
b6ba4014 MC |
1320 | /* |
1321 | * This is set to true if we believe that this is a version of Safari | |
1322 | * running on OS X 10.6 or newer. We wish to know this because Safari on | |
1323 | * 10.8 .. 10.8.3 has broken ECDHE-ECDSA support. | |
1324 | */ | |
1325 | char is_probably_safari; | |
a230b26e | 1326 | # endif /* !OPENSSL_NO_EC */ |
8d92c1f8 DSH |
1327 | |
1328 | /* For clients: peer temporary key */ | |
fb79abe3 | 1329 | # if !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_DH) |
bcec3358 MC |
1330 | /* The group_id for the DH/ECDH key */ |
1331 | unsigned int group_id; | |
61dd9f7a | 1332 | EVP_PKEY *peer_tmp; |
8d92c1f8 DSH |
1333 | # endif |
1334 | ||
b6ba4014 MC |
1335 | } SSL3_STATE; |
1336 | ||
b6ba4014 MC |
1337 | /* DTLS structures */ |
1338 | ||
a230b26e EK |
1339 | # ifndef OPENSSL_NO_SCTP |
1340 | # define DTLS1_SCTP_AUTH_LABEL "EXPORTER_DTLS_OVER_SCTP" | |
1341 | # endif | |
b6ba4014 MC |
1342 | |
1343 | /* Max MTU overhead we know about so far is 40 for IPv6 + 8 for UDP */ | |
a230b26e | 1344 | # define DTLS1_MAX_MTU_OVERHEAD 48 |
b6ba4014 | 1345 | |
e3d0dae7 MC |
1346 | /* |
1347 | * Flag used in message reuse to indicate the buffer contains the record | |
1348 | * header as well as the the handshake message header. | |
1349 | */ | |
a230b26e | 1350 | # define DTLS1_SKIP_RECORD_HEADER 2 |
e3d0dae7 | 1351 | |
b6ba4014 MC |
1352 | struct dtls1_retransmit_state { |
1353 | EVP_CIPHER_CTX *enc_write_ctx; /* cryptographic state */ | |
1354 | EVP_MD_CTX *write_hash; /* used for mac generation */ | |
b6ba4014 | 1355 | COMP_CTX *compress; /* compression */ |
b6ba4014 MC |
1356 | SSL_SESSION *session; |
1357 | unsigned short epoch; | |
1358 | }; | |
1359 | ||
1360 | struct hm_header_st { | |
1361 | unsigned char type; | |
7ee8627f | 1362 | size_t msg_len; |
b6ba4014 | 1363 | unsigned short seq; |
7ee8627f MC |
1364 | size_t frag_off; |
1365 | size_t frag_len; | |
b6ba4014 MC |
1366 | unsigned int is_ccs; |
1367 | struct dtls1_retransmit_state saved_retransmit_state; | |
1368 | }; | |
1369 | ||
b6ba4014 MC |
1370 | struct dtls1_timeout_st { |
1371 | /* Number of read timeouts so far */ | |
1372 | unsigned int read_timeouts; | |
1373 | /* Number of write timeouts so far */ | |
1374 | unsigned int write_timeouts; | |
1375 | /* Number of alerts received so far */ | |
1376 | unsigned int num_alerts; | |
1377 | }; | |
1378 | ||
b6ba4014 MC |
1379 | typedef struct hm_fragment_st { |
1380 | struct hm_header_st msg_header; | |
1381 | unsigned char *fragment; | |
1382 | unsigned char *reassembly; | |
1383 | } hm_fragment; | |
1384 | ||
cf2cede4 RS |
1385 | typedef struct pqueue_st pqueue; |
1386 | typedef struct pitem_st pitem; | |
1387 | ||
1388 | struct pitem_st { | |
1389 | unsigned char priority[8]; /* 64-bit value in big-endian encoding */ | |
1390 | void *data; | |
1391 | pitem *next; | |
1392 | }; | |
1393 | ||
1394 | typedef struct pitem_st *piterator; | |
1395 | ||
1396 | pitem *pitem_new(unsigned char *prio64be, void *data); | |
1397 | void pitem_free(pitem *item); | |
a230b26e | 1398 | pqueue *pqueue_new(void); |
cf2cede4 RS |
1399 | void pqueue_free(pqueue *pq); |
1400 | pitem *pqueue_insert(pqueue *pq, pitem *item); | |
1401 | pitem *pqueue_peek(pqueue *pq); | |
1402 | pitem *pqueue_pop(pqueue *pq); | |
1403 | pitem *pqueue_find(pqueue *pq, unsigned char *prio64be); | |
1404 | pitem *pqueue_iterator(pqueue *pq); | |
1405 | pitem *pqueue_next(piterator *iter); | |
8b0e934a | 1406 | size_t pqueue_size(pqueue *pq); |
cf2cede4 | 1407 | |
b6ba4014 | 1408 | typedef struct dtls1_state_st { |
b6ba4014 | 1409 | unsigned char cookie[DTLS1_COOKIE_LENGTH]; |
cb150cbc | 1410 | size_t cookie_len; |
e27f234a | 1411 | unsigned int cookie_verified; |
b6ba4014 MC |
1412 | /* handshake message numbers */ |
1413 | unsigned short handshake_write_seq; | |
1414 | unsigned short next_handshake_write_seq; | |
1415 | unsigned short handshake_read_seq; | |
b6ba4014 | 1416 | /* Buffered handshake messages */ |
cf2cede4 | 1417 | pqueue *buffered_messages; |
b6ba4014 | 1418 | /* Buffered (sent) handshake records */ |
cf2cede4 | 1419 | pqueue *sent_messages; |
7ee8627f MC |
1420 | size_t link_mtu; /* max on-the-wire DTLS packet size */ |
1421 | size_t mtu; /* max DTLS packet size */ | |
b6ba4014 MC |
1422 | struct hm_header_st w_msg_hdr; |
1423 | struct hm_header_st r_msg_hdr; | |
1424 | struct dtls1_timeout_st timeout; | |
1425 | /* | |
e72040c1 | 1426 | * Indicates when the last handshake msg sent will timeout |
b6ba4014 MC |
1427 | */ |
1428 | struct timeval next_timeout; | |
1429 | /* Timeout duration */ | |
1430 | unsigned short timeout_duration; | |
b6ba4014 | 1431 | unsigned int retransmitting; |
a230b26e | 1432 | # ifndef OPENSSL_NO_SCTP |
b6ba4014 | 1433 | int shutdown_received; |
a230b26e | 1434 | # endif |
b6ba4014 MC |
1435 | } DTLS1_STATE; |
1436 | ||
0f113f3e MC |
1437 | # ifndef OPENSSL_NO_EC |
1438 | /* | |
1439 | * From ECC-TLS draft, used in encoding the curve type in ECParameters | |
ea262260 | 1440 | */ |
0f113f3e MC |
1441 | # define EXPLICIT_PRIME_CURVE_TYPE 1 |
1442 | # define EXPLICIT_CHAR2_CURVE_TYPE 2 | |
1443 | # define NAMED_CURVE_TYPE 3 | |
1444 | # endif /* OPENSSL_NO_EC */ | |
1445 | ||
1446 | typedef struct cert_pkey_st { | |
1447 | X509 *x509; | |
1448 | EVP_PKEY *privatekey; | |
0f113f3e MC |
1449 | /* Chain for this certificate */ |
1450 | STACK_OF(X509) *chain; | |
50e735f9 MC |
1451 | /*- |
1452 | * serverinfo data for this certificate. The data is in TLS Extension | |
1453 | * wire format, specifically it's a series of records like: | |
1454 | * uint16_t extension_type; // (RFC 5246, 7.4.1.4, Extension) | |
1455 | * uint16_t length; | |
1456 | * uint8_t data[length]; | |
1457 | */ | |
0f113f3e MC |
1458 | unsigned char *serverinfo; |
1459 | size_t serverinfo_length; | |
0f113f3e | 1460 | } CERT_PKEY; |
2ea80354 | 1461 | /* Retrieve Suite B flags */ |
0f113f3e | 1462 | # define tls1_suiteb(s) (s->cert->cert_flags & SSL_CERT_FLAG_SUITEB_128_LOS) |
2ea80354 | 1463 | /* Uses to check strict mode: suite B modes are always strict */ |
0f113f3e MC |
1464 | # define SSL_CERT_FLAGS_CHECK_TLS_STRICT \ |
1465 | (SSL_CERT_FLAG_SUITEB_128_LOS|SSL_CERT_FLAG_TLS_STRICT) | |
d02b48c6 | 1466 | |
b83294fe | 1467 | typedef struct { |
0f113f3e MC |
1468 | unsigned short ext_type; |
1469 | /* | |
1470 | * Per-connection flags relating to this extension type: not used if | |
1471 | * part of an SSL_CTX structure. | |
1472 | */ | |
f7d53487 | 1473 | uint32_t ext_flags; |
0f113f3e MC |
1474 | custom_ext_add_cb add_cb; |
1475 | custom_ext_free_cb free_cb; | |
1476 | void *add_arg; | |
1477 | custom_ext_parse_cb parse_cb; | |
1478 | void *parse_arg; | |
ecf4d660 | 1479 | } custom_ext_method; |
b83294fe | 1480 | |
28ea0a0c DSH |
1481 | /* ext_flags values */ |
1482 | ||
0f113f3e MC |
1483 | /* |
1484 | * Indicates an extension has been received. Used to check for unsolicited or | |
1485 | * duplicate extensions. | |
28ea0a0c | 1486 | */ |
0f113f3e MC |
1487 | # define SSL_EXT_FLAG_RECEIVED 0x1 |
1488 | /* | |
1489 | * Indicates an extension has been sent: used to enable sending of | |
1490 | * corresponding ServerHello extension. | |
28ea0a0c | 1491 | */ |
0f113f3e | 1492 | # define SSL_EXT_FLAG_SENT 0x2 |
28ea0a0c | 1493 | |
b83294fe | 1494 | typedef struct { |
0f113f3e MC |
1495 | custom_ext_method *meths; |
1496 | size_t meths_count; | |
ecf4d660 | 1497 | } custom_ext_methods; |
b83294fe | 1498 | |
0f113f3e MC |
1499 | typedef struct cert_st { |
1500 | /* Current active set */ | |
1501 | /* | |
1502 | * ALWAYS points to an element of the pkeys array | |
1503 | * Probably it would make more sense to store | |
1504 | * an index, not a pointer. | |
1505 | */ | |
1506 | CERT_PKEY *key; | |
0f113f3e | 1507 | # ifndef OPENSSL_NO_DH |
e2b420fd | 1508 | EVP_PKEY *dh_tmp; |
0f113f3e MC |
1509 | DH *(*dh_tmp_cb) (SSL *ssl, int is_export, int keysize); |
1510 | int dh_tmp_auto; | |
0f113f3e MC |
1511 | # endif |
1512 | /* Flags related to certificates */ | |
f7d53487 | 1513 | uint32_t cert_flags; |
0f113f3e MC |
1514 | CERT_PKEY pkeys[SSL_PKEY_NUM]; |
1515 | /* | |
1516 | * Certificate types (received or sent) in certificate request message. | |
1517 | * On receive this is only set if number of certificate types exceeds | |
1518 | * SSL3_CT_NUMBER. | |
1519 | */ | |
1520 | unsigned char *ctypes; | |
1521 | size_t ctype_num; | |
0f113f3e | 1522 | /* |
60250017 | 1523 | * supported signature algorithms. When set on a client this is sent in |
0f113f3e MC |
1524 | * the client hello as the supported signature algorithms extension. For |
1525 | * servers it represents the signature algorithms we are willing to use. | |
1526 | */ | |
703bcee0 | 1527 | unsigned int *conf_sigalgs; |
0f113f3e MC |
1528 | /* Size of above array */ |
1529 | size_t conf_sigalgslen; | |
1530 | /* | |
1531 | * Client authentication signature algorithms, if not set then uses | |
1532 | * conf_sigalgs. On servers these will be the signature algorithms sent | |
48722ff5 F |
1533 | * to the client in a certificate request for TLS 1.2. On a client this |
1534 | * represents the signature algorithms we are willing to use for client | |
0f113f3e MC |
1535 | * authentication. |
1536 | */ | |
703bcee0 | 1537 | unsigned int *client_sigalgs; |
0f113f3e MC |
1538 | /* Size of above array */ |
1539 | size_t client_sigalgslen; | |
1540 | /* | |
1541 | * Signature algorithms shared by client and server: cached because these | |
1542 | * are used most often. | |
1543 | */ | |
1544 | TLS_SIGALGS *shared_sigalgs; | |
1545 | size_t shared_sigalgslen; | |
1546 | /* | |
1547 | * Certificate setup callback: if set is called whenever a certificate | |
1548 | * may be required (client or server). the callback can then examine any | |
1549 | * appropriate parameters and setup any certificates required. This | |
1550 | * allows advanced applications to select certificates on the fly: for | |
1551 | * example based on supported signature algorithms or curves. | |
1552 | */ | |
1553 | int (*cert_cb) (SSL *ssl, void *arg); | |
1554 | void *cert_cb_arg; | |
1555 | /* | |
1556 | * Optional X509_STORE for chain building or certificate validation If | |
1557 | * NULL the parent SSL_CTX store is used instead. | |
1558 | */ | |
1559 | X509_STORE *chain_store; | |
1560 | X509_STORE *verify_store; | |
0f113f3e MC |
1561 | /* Custom extension methods for server and client */ |
1562 | custom_ext_methods cli_ext; | |
1563 | custom_ext_methods srv_ext; | |
1564 | /* Security callback */ | |
e4646a89 | 1565 | int (*sec_cb) (const SSL *s, const SSL_CTX *ctx, int op, int bits, int nid, |
0f113f3e MC |
1566 | void *other, void *ex); |
1567 | /* Security level */ | |
1568 | int sec_level; | |
1569 | void *sec_ex; | |
a230b26e | 1570 | # ifndef OPENSSL_NO_PSK |
df6da24b DSH |
1571 | /* If not NULL psk identity hint to use for servers */ |
1572 | char *psk_identity_hint; | |
a230b26e | 1573 | # endif |
2f545ae4 | 1574 | CRYPTO_REF_COUNT references; /* >1 only if SSL_copy_session_id is used */ |
16203f7b | 1575 | CRYPTO_RWLOCK *lock; |
0f113f3e MC |
1576 | } CERT; |
1577 | ||
e7f8ff43 | 1578 | /* Structure containing decoded values of signature algorithms extension */ |
0f113f3e MC |
1579 | struct tls_sigalgs_st { |
1580 | /* NID of hash algorithm */ | |
1581 | int hash_nid; | |
1582 | /* NID of signature algorithm */ | |
1583 | int sign_nid; | |
1584 | /* Combined hash and signature NID */ | |
1585 | int signandhash_nid; | |
536199ec MC |
1586 | /* Raw value used in extension */ |
1587 | unsigned int rsigalg; | |
0f113f3e MC |
1588 | }; |
1589 | ||
0f113f3e | 1590 | # define FP_ICC (int (*)(const void *,const void *)) |
0f113f3e MC |
1591 | |
1592 | /* | |
1593 | * This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff It is a bit | |
1594 | * of a mess of functions, but hell, think of it as an opaque structure :-) | |
1595 | */ | |
1596 | typedef struct ssl3_enc_method { | |
72716e79 | 1597 | int (*enc) (SSL *, SSL3_RECORD *, size_t, int); |
d102d9df | 1598 | int (*mac) (SSL *, SSL3_RECORD *, unsigned char *, int); |
0f113f3e MC |
1599 | int (*setup_key_block) (SSL *); |
1600 | int (*generate_master_secret) (SSL *, unsigned char *, unsigned char *, | |
8c1a5343 | 1601 | size_t, size_t *); |
0f113f3e | 1602 | int (*change_cipher_state) (SSL *, int); |
6db6bc5a | 1603 | size_t (*final_finish_mac) (SSL *, const char *, size_t, unsigned char *); |
0f113f3e | 1604 | const char *client_finished_label; |
8b0e934a | 1605 | size_t client_finished_label_len; |
0f113f3e | 1606 | const char *server_finished_label; |
8b0e934a | 1607 | size_t server_finished_label_len; |
0f113f3e MC |
1608 | int (*alert_value) (int); |
1609 | int (*export_keying_material) (SSL *, unsigned char *, size_t, | |
1610 | const char *, size_t, | |
1611 | const unsigned char *, size_t, | |
1612 | int use_context); | |
1613 | /* Various flags indicating protocol version requirements */ | |
f7d53487 | 1614 | uint32_t enc_flags; |
0f113f3e | 1615 | /* Set the handshake header */ |
a29fa98c | 1616 | int (*set_handshake_header) (SSL *s, WPACKET *pkt, int type); |
2c7b4dbc | 1617 | /* Close construction of the handshake message */ |
4a01c59f | 1618 | int (*close_construct_packet) (SSL *s, WPACKET *pkt, int htype); |
0f113f3e MC |
1619 | /* Write out handshake message */ |
1620 | int (*do_write) (SSL *s); | |
1621 | } SSL3_ENC_METHOD; | |
1622 | ||
a29fa98c MC |
1623 | # define ssl_set_handshake_header(s, pkt, htype) \ |
1624 | s->method->ssl3_enc->set_handshake_header((s), (pkt), (htype)) | |
4a01c59f MC |
1625 | # define ssl_close_construct_packet(s, pkt, htype) \ |
1626 | s->method->ssl3_enc->close_construct_packet((s), (pkt), (htype)) | |
0f113f3e | 1627 | # define ssl_do_write(s) s->method->ssl3_enc->do_write(s) |
173e72e6 DSH |
1628 | |
1629 | /* Values for enc_flags */ | |
1630 | ||
1631 | /* Uses explicit IV for CBC mode */ | |
0f113f3e | 1632 | # define SSL_ENC_FLAG_EXPLICIT_IV 0x1 |
173e72e6 | 1633 | /* Uses signature algorithms extension */ |
0f113f3e | 1634 | # define SSL_ENC_FLAG_SIGALGS 0x2 |
cbd64894 | 1635 | /* Uses SHA256 default PRF */ |
0f113f3e | 1636 | # define SSL_ENC_FLAG_SHA256_PRF 0x4 |
173e72e6 | 1637 | /* Is DTLS */ |
0f113f3e MC |
1638 | # define SSL_ENC_FLAG_DTLS 0x8 |
1639 | /* | |
1640 | * Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2: may | |
1641 | * apply to others in future. | |
4221c0dd | 1642 | */ |
0f113f3e | 1643 | # define SSL_ENC_FLAG_TLS1_2_CIPHERS 0x10 |
173e72e6 | 1644 | |
0f113f3e | 1645 | # ifndef OPENSSL_NO_COMP |
651d0aff | 1646 | /* Used for holding the relevant compression methods loaded into SSL_CTX */ |
0f113f3e MC |
1647 | typedef struct ssl3_comp_st { |
1648 | int comp_id; /* The identifier byte for this compression | |
1649 | * type */ | |
1650 | char *name; /* Text name used for the compression type */ | |
1651 | COMP_METHOD *method; /* The method :-) */ | |
1652 | } SSL3_COMP; | |
1653 | # endif | |
dfeab068 | 1654 | |
6f8db4e6 | 1655 | typedef struct raw_extension_st { |
6b473aca | 1656 | /* Raw packet data for the extension */ |
1ab3836b | 1657 | PACKET data; |
70af3d8e MC |
1658 | /* Set to 1 if the extension is present or 0 otherwise */ |
1659 | int present; | |
6b473aca MC |
1660 | /* Set to 1 if we have already parsed the extension or 0 otherwise */ |
1661 | int parsed; | |
ecc2f938 | 1662 | /* The type of this extension, i.e. a TLSEXT_TYPE_* value */ |
70af3d8e | 1663 | unsigned int type; |
1ab3836b MC |
1664 | } RAW_EXTENSION; |
1665 | ||
70af3d8e MC |
1666 | /* |
1667 | * Extension index values NOTE: Any updates to these defines should be mirrored | |
1668 | * with equivalent updates to ext_defs in extensions.c | |
1669 | */ | |
d270de32 MC |
1670 | typedef enum tlsext_index_en { |
1671 | TLSEXT_IDX_renegotiate, | |
1672 | TLSEXT_IDX_server_name, | |
1673 | TLSEXT_IDX_srp, | |
1674 | TLSEXT_IDX_ec_point_formats, | |
1675 | TLSEXT_IDX_supported_groups, | |
1676 | TLSEXT_IDX_session_ticket, | |
1677 | TLSEXT_IDX_signature_algorithms, | |
1678 | TLSEXT_IDX_status_request, | |
1679 | TLSEXT_IDX_next_proto_neg, | |
1680 | TLSEXT_IDX_application_layer_protocol_negotiation, | |
1681 | TLSEXT_IDX_use_srtp, | |
1682 | TLSEXT_IDX_encrypt_then_mac, | |
1683 | TLSEXT_IDX_signed_certificate_timestamp, | |
1684 | TLSEXT_IDX_extended_master_secret, | |
1685 | TLSEXT_IDX_supported_versions, | |
b2f7e8c0 | 1686 | TLSEXT_IDX_psk_kex_modes, |
d270de32 MC |
1687 | TLSEXT_IDX_key_share, |
1688 | TLSEXT_IDX_cryptopro_bug, | |
1689 | TLSEXT_IDX_padding | |
1690 | } TLSEXT_INDEX; | |
70af3d8e | 1691 | |
cbb09544 MC |
1692 | /* |
1693 | * Dummy status type for the status_type extension. Indicates no status type | |
1694 | * set | |
1695 | */ | |
1696 | #define TLSEXT_STATUSTYPE_nothing -1 | |
1697 | ||
703bcee0 MC |
1698 | /* Sigalgs values */ |
1699 | #define TLSEXT_SIGALG_ecdsa_secp256r1_sha256 0x0403 | |
1700 | #define TLSEXT_SIGALG_ecdsa_secp384r1_sha384 0x0503 | |
1701 | #define TLSEXT_SIGALG_ecdsa_secp521r1_sha512 0x0603 | |
1702 | #define TLSEXT_SIGALG_ecdsa_sha1 0x0203 | |
1703 | #define TLSEXT_SIGALG_rsa_pss_sha256 0x0804 | |
1704 | #define TLSEXT_SIGALG_rsa_pss_sha384 0x0805 | |
1705 | #define TLSEXT_SIGALG_rsa_pss_sha512 0x0806 | |
1706 | #define TLSEXT_SIGALG_rsa_pkcs1_sha256 0x0401 | |
1707 | #define TLSEXT_SIGALG_rsa_pkcs1_sha384 0x0501 | |
1708 | #define TLSEXT_SIGALG_rsa_pkcs1_sha512 0x0601 | |
1709 | #define TLSEXT_SIGALG_rsa_pkcs1_sha1 0x0201 | |
1710 | #define TLSEXT_SIGALG_dsa_sha256 0x0402 | |
1711 | #define TLSEXT_SIGALG_dsa_sha384 0x0502 | |
1712 | #define TLSEXT_SIGALG_dsa_sha512 0x0602 | |
1713 | #define TLSEXT_SIGALG_dsa_sha1 0x0202 | |
1714 | #define TLSEXT_SIGALG_gostr34102012_256_gostr34112012_256 0xeeee | |
1715 | #define TLSEXT_SIGALG_gostr34102012_512_gostr34112012_512 0xefef | |
1716 | #define TLSEXT_SIGALG_gostr34102001_gostr3411 0xeded | |
1717 | ||
b2f7e8c0 MC |
1718 | /* Known PSK key exchange modes */ |
1719 | #define TLSEXT_KEX_MODE_KE 0x00 | |
1720 | #define TLSEXT_KEX_MODE_KE_DHE 0x01 | |
1721 | ||
1722 | /* | |
1723 | * Internal representations of key exchange modes | |
1724 | */ | |
1725 | #define TLSEXT_KEX_MODE_FLAG_NONE 0 | |
1726 | #define TLSEXT_KEX_MODE_FLAG_KE 1 | |
1727 | #define TLSEXT_KEX_MODE_FLAG_KE_DHE 2 | |
1728 | ||
fe3066ee MC |
1729 | #define SIGID_IS_PSS(sigid) ((sigid) == TLSEXT_SIGALG_rsa_pss_sha256 \ |
1730 | || (sigid) == TLSEXT_SIGALG_rsa_pss_sha384 \ | |
1731 | || (sigid) == TLSEXT_SIGALG_rsa_pss_sha512) | |
1732 | ||
1733 | ||
703bcee0 MC |
1734 | /* A dummy signature value not valid for TLSv1.2 signature algs */ |
1735 | #define TLSEXT_signature_rsa_pss 0x0101 | |
1736 | ||
1737 | ||
1ab3836b MC |
1738 | #define MAX_COMPRESSIONS_SIZE 255 |
1739 | ||
1740 | typedef struct { | |
1741 | unsigned int isv2; | |
df7ce507 | 1742 | unsigned int legacy_version; |
1ab3836b MC |
1743 | unsigned char random[SSL3_RANDOM_SIZE]; |
1744 | size_t session_id_len; | |
1745 | unsigned char session_id[SSL_MAX_SSL_SESSION_ID_LENGTH]; | |
1746 | size_t dtls_cookie_len; | |
1747 | unsigned char dtls_cookie[DTLS1_COOKIE_LENGTH]; | |
1748 | PACKET ciphersuites; | |
1749 | size_t compressions_len; | |
1750 | unsigned char compressions[MAX_COMPRESSIONS_SIZE]; | |
1751 | PACKET extensions; | |
1ab3836b MC |
1752 | RAW_EXTENSION *pre_proc_exts; |
1753 | } CLIENTHELLO_MSG; | |
1754 | ||
3ed449e9 | 1755 | extern SSL3_ENC_METHOD ssl3_undef_enc_method; |
7d7d2cbc | 1756 | |
2b8fa1d5 KR |
1757 | __owur const SSL_METHOD *ssl_bad_method(int ver); |
1758 | __owur const SSL_METHOD *sslv3_method(void); | |
1759 | __owur const SSL_METHOD *sslv3_server_method(void); | |
1760 | __owur const SSL_METHOD *sslv3_client_method(void); | |
1761 | __owur const SSL_METHOD *tlsv1_method(void); | |
1762 | __owur const SSL_METHOD *tlsv1_server_method(void); | |
1763 | __owur const SSL_METHOD *tlsv1_client_method(void); | |
1764 | __owur const SSL_METHOD *tlsv1_1_method(void); | |
1765 | __owur const SSL_METHOD *tlsv1_1_server_method(void); | |
1766 | __owur const SSL_METHOD *tlsv1_1_client_method(void); | |
1767 | __owur const SSL_METHOD *tlsv1_2_method(void); | |
1768 | __owur const SSL_METHOD *tlsv1_2_server_method(void); | |
1769 | __owur const SSL_METHOD *tlsv1_2_client_method(void); | |
582a17d6 MC |
1770 | __owur const SSL_METHOD *tlsv1_3_method(void); |
1771 | __owur const SSL_METHOD *tlsv1_3_server_method(void); | |
1772 | __owur const SSL_METHOD *tlsv1_3_client_method(void); | |
2b8fa1d5 KR |
1773 | __owur const SSL_METHOD *dtlsv1_method(void); |
1774 | __owur const SSL_METHOD *dtlsv1_server_method(void); | |
1775 | __owur const SSL_METHOD *dtlsv1_client_method(void); | |
032924c4 | 1776 | __owur const SSL_METHOD *dtls_bad_ver_client_method(void); |
2b8fa1d5 KR |
1777 | __owur const SSL_METHOD *dtlsv1_2_method(void); |
1778 | __owur const SSL_METHOD *dtlsv1_2_server_method(void); | |
1779 | __owur const SSL_METHOD *dtlsv1_2_client_method(void); | |
d02b48c6 | 1780 | |
161e0a61 BL |
1781 | extern const SSL3_ENC_METHOD TLSv1_enc_data; |
1782 | extern const SSL3_ENC_METHOD TLSv1_1_enc_data; | |
1783 | extern const SSL3_ENC_METHOD TLSv1_2_enc_data; | |
582a17d6 | 1784 | extern const SSL3_ENC_METHOD TLSv1_3_enc_data; |
8892ce77 BL |
1785 | extern const SSL3_ENC_METHOD SSLv3_enc_data; |
1786 | extern const SSL3_ENC_METHOD DTLSv1_enc_data; | |
1787 | extern const SSL3_ENC_METHOD DTLSv1_2_enc_data; | |
f3b656b2 | 1788 | |
4fa52141 VD |
1789 | /* |
1790 | * Flags for SSL methods | |
1791 | */ | |
a230b26e EK |
1792 | # define SSL_METHOD_NO_FIPS (1U<<0) |
1793 | # define SSL_METHOD_NO_SUITEB (1U<<1) | |
4fa52141 VD |
1794 | |
1795 | # define IMPLEMENT_tls_meth_func(version, flags, mask, func_name, s_accept, \ | |
ccae4a15 | 1796 | s_connect, enc_data) \ |
4ebb342f | 1797 | const SSL_METHOD *func_name(void) \ |
0f113f3e MC |
1798 | { \ |
1799 | static const SSL_METHOD func_name##_data= { \ | |
1800 | version, \ | |
4fa52141 VD |
1801 | flags, \ |
1802 | mask, \ | |
0f113f3e MC |
1803 | tls1_new, \ |
1804 | tls1_clear, \ | |
1805 | tls1_free, \ | |
1806 | s_accept, \ | |
1807 | s_connect, \ | |
1808 | ssl3_read, \ | |
1809 | ssl3_peek, \ | |
1810 | ssl3_write, \ | |
1811 | ssl3_shutdown, \ | |
1812 | ssl3_renegotiate, \ | |
1813 | ssl3_renegotiate_check, \ | |
0f113f3e MC |
1814 | ssl3_read_bytes, \ |
1815 | ssl3_write_bytes, \ | |
1816 | ssl3_dispatch_alert, \ | |
1817 | ssl3_ctrl, \ | |
1818 | ssl3_ctx_ctrl, \ | |
1819 | ssl3_get_cipher_by_char, \ | |
1820 | ssl3_put_cipher_by_char, \ | |
1821 | ssl3_pending, \ | |
1822 | ssl3_num_ciphers, \ | |
1823 | ssl3_get_cipher, \ | |
0f113f3e MC |
1824 | tls1_default_timeout, \ |
1825 | &enc_data, \ | |
1826 | ssl_undefined_void_function, \ | |
1827 | ssl3_callback_ctrl, \ | |
1828 | ssl3_ctx_callback_ctrl, \ | |
1829 | }; \ | |
1830 | return &func_name##_data; \ | |
1831 | } | |
1832 | ||
ccae4a15 | 1833 | # define IMPLEMENT_ssl3_meth_func(func_name, s_accept, s_connect) \ |
4ebb342f | 1834 | const SSL_METHOD *func_name(void) \ |
0f113f3e MC |
1835 | { \ |
1836 | static const SSL_METHOD func_name##_data= { \ | |
1837 | SSL3_VERSION, \ | |
4fa52141 VD |
1838 | SSL_METHOD_NO_FIPS | SSL_METHOD_NO_SUITEB, \ |
1839 | SSL_OP_NO_SSLv3, \ | |
0f113f3e MC |
1840 | ssl3_new, \ |
1841 | ssl3_clear, \ | |
1842 | ssl3_free, \ | |
1843 | s_accept, \ | |
1844 | s_connect, \ | |
1845 | ssl3_read, \ | |
1846 | ssl3_peek, \ | |
1847 | ssl3_write, \ | |
1848 | ssl3_shutdown, \ | |
1849 | ssl3_renegotiate, \ | |
1850 | ssl3_renegotiate_check, \ | |
0f113f3e MC |
1851 | ssl3_read_bytes, \ |
1852 | ssl3_write_bytes, \ | |
1853 | ssl3_dispatch_alert, \ | |
1854 | ssl3_ctrl, \ | |
1855 | ssl3_ctx_ctrl, \ | |
1856 | ssl3_get_cipher_by_char, \ | |
1857 | ssl3_put_cipher_by_char, \ | |
1858 | ssl3_pending, \ | |
1859 | ssl3_num_ciphers, \ | |
1860 | ssl3_get_cipher, \ | |
0f113f3e MC |
1861 | ssl3_default_timeout, \ |
1862 | &SSLv3_enc_data, \ | |
1863 | ssl_undefined_void_function, \ | |
1864 | ssl3_callback_ctrl, \ | |
1865 | ssl3_ctx_callback_ctrl, \ | |
1866 | }; \ | |
1867 | return &func_name##_data; \ | |
1868 | } | |
1869 | ||
4fa52141 | 1870 | # define IMPLEMENT_dtls1_meth_func(version, flags, mask, func_name, s_accept, \ |
ccae4a15 | 1871 | s_connect, enc_data) \ |
4ebb342f | 1872 | const SSL_METHOD *func_name(void) \ |
0f113f3e MC |
1873 | { \ |
1874 | static const SSL_METHOD func_name##_data= { \ | |
1875 | version, \ | |
4fa52141 VD |
1876 | flags, \ |
1877 | mask, \ | |
0f113f3e MC |
1878 | dtls1_new, \ |
1879 | dtls1_clear, \ | |
1880 | dtls1_free, \ | |
1881 | s_accept, \ | |
1882 | s_connect, \ | |
1883 | ssl3_read, \ | |
1884 | ssl3_peek, \ | |
1885 | ssl3_write, \ | |
1886 | dtls1_shutdown, \ | |
1887 | ssl3_renegotiate, \ | |
1888 | ssl3_renegotiate_check, \ | |
0f113f3e MC |
1889 | dtls1_read_bytes, \ |
1890 | dtls1_write_app_data_bytes, \ | |
1891 | dtls1_dispatch_alert, \ | |
1892 | dtls1_ctrl, \ | |
1893 | ssl3_ctx_ctrl, \ | |
1894 | ssl3_get_cipher_by_char, \ | |
1895 | ssl3_put_cipher_by_char, \ | |
1896 | ssl3_pending, \ | |
1897 | ssl3_num_ciphers, \ | |
ca3895f0 | 1898 | ssl3_get_cipher, \ |
0f113f3e MC |
1899 | dtls1_default_timeout, \ |
1900 | &enc_data, \ | |
1901 | ssl_undefined_void_function, \ | |
1902 | ssl3_callback_ctrl, \ | |
1903 | ssl3_ctx_callback_ctrl, \ | |
1904 | }; \ | |
1905 | return &func_name##_data; \ | |
1906 | } | |
1907 | ||
1908 | struct openssl_ssl_test_functions { | |
46417569 | 1909 | int (*p_ssl_init_wbio_buffer) (SSL *s); |
0f113f3e | 1910 | int (*p_ssl3_setup_buffers) (SSL *s); |
0f113f3e MC |
1911 | }; |
1912 | ||
3eb2aff4 | 1913 | const char *ssl_protocol_to_string(int version); |
7d650072 | 1914 | |
0f113f3e | 1915 | # ifndef OPENSSL_UNIT_TEST |
e0fc7961 | 1916 | |
d02b48c6 RE |
1917 | void ssl_clear_cipher_ctx(SSL *s); |
1918 | int ssl_clear_bad_session(SSL *s); | |
4bcdb4a6 MC |
1919 | __owur CERT *ssl_cert_new(void); |
1920 | __owur CERT *ssl_cert_dup(CERT *cert); | |
a5ee80b9 | 1921 | void ssl_cert_clear_certs(CERT *c); |
d02b48c6 | 1922 | void ssl_cert_free(CERT *c); |
4bcdb4a6 | 1923 | __owur int ssl_get_new_session(SSL *s, int session); |
1ab3836b | 1924 | __owur int ssl_get_prev_session(SSL *s, CLIENTHELLO_MSG *hello); |
98ece4ee | 1925 | __owur SSL_SESSION *ssl_session_dup(SSL_SESSION *src, int ticket); |
4bcdb4a6 | 1926 | __owur int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b); |
0f113f3e | 1927 | DECLARE_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, ssl_cipher_id); |
4bcdb4a6 | 1928 | __owur int ssl_cipher_ptr_id_cmp(const SSL_CIPHER *const *ap, |
a230b26e | 1929 | const SSL_CIPHER *const *bp); |
4bcdb4a6 | 1930 | __owur STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *meth, |
a230b26e EK |
1931 | STACK_OF(SSL_CIPHER) **pref, |
1932 | STACK_OF(SSL_CIPHER) | |
1933 | **sorted, | |
1934 | const char *rule_str, | |
1935 | CERT *c); | |
d02b48c6 | 1936 | void ssl_update_cache(SSL *s, int mode); |
4bcdb4a6 | 1937 | __owur int ssl_cipher_get_evp(const SSL_SESSION *s, const EVP_CIPHER **enc, |
a230b26e | 1938 | const EVP_MD **md, int *mac_pkey_type, |
8c1a5343 | 1939 | size_t *mac_secret_size, SSL_COMP **comp, |
a230b26e | 1940 | int use_etm); |
045bd047 DW |
1941 | __owur int ssl_cipher_get_overhead(const SSL_CIPHER *c, size_t *mac_overhead, |
1942 | size_t *int_overhead, size_t *blocksize, | |
1943 | size_t *ext_overhead); | |
4bcdb4a6 | 1944 | __owur int ssl_cipher_get_cert_index(const SSL_CIPHER *c); |
a230b26e EK |
1945 | __owur const SSL_CIPHER *ssl_get_cipher_by_char(SSL *ssl, |
1946 | const unsigned char *ptr); | |
4bcdb4a6 MC |
1947 | __owur int ssl_cert_set0_chain(SSL *s, SSL_CTX *ctx, STACK_OF(X509) *chain); |
1948 | __owur int ssl_cert_set1_chain(SSL *s, SSL_CTX *ctx, STACK_OF(X509) *chain); | |
1949 | __owur int ssl_cert_add0_chain_cert(SSL *s, SSL_CTX *ctx, X509 *x); | |
1950 | __owur int ssl_cert_add1_chain_cert(SSL *s, SSL_CTX *ctx, X509 *x); | |
1951 | __owur int ssl_cert_select_current(CERT *c, X509 *x); | |
1952 | __owur int ssl_cert_set_current(CERT *c, long arg); | |
1953 | __owur X509 *ssl_cert_get0_next_certificate(CERT *c, int first); | |
a230b26e | 1954 | void ssl_cert_set_cert_cb(CERT *c, int (*cb) (SSL *ssl, void *arg), void *arg); |
f71c6e52 | 1955 | |
4bcdb4a6 | 1956 | __owur int ssl_verify_cert_chain(SSL *s, STACK_OF(X509) *sk); |
4bcdb4a6 | 1957 | __owur int ssl_build_cert_chain(SSL *s, SSL_CTX *ctx, int flags); |
a230b26e EK |
1958 | __owur int ssl_cert_set_cert_store(CERT *c, X509_STORE *store, int chain, |
1959 | int ref); | |
b362ccab | 1960 | |
e4646a89 | 1961 | __owur int ssl_security(const SSL *s, int op, int bits, int nid, void *other); |
a230b26e EK |
1962 | __owur int ssl_ctx_security(const SSL_CTX *ctx, int op, int bits, int nid, |
1963 | void *other); | |
b362ccab | 1964 | |
d02b48c6 | 1965 | int ssl_undefined_function(SSL *s); |
4bcdb4a6 MC |
1966 | __owur int ssl_undefined_void_function(void); |
1967 | __owur int ssl_undefined_const_function(const SSL *s); | |
6383d316 | 1968 | __owur CERT_PKEY *ssl_get_server_send_pkey(SSL *s); |
a230b26e EK |
1969 | __owur int ssl_get_server_cert_serverinfo(SSL *s, |
1970 | const unsigned char **serverinfo, | |
1971 | size_t *serverinfo_length); | |
1972 | __owur EVP_PKEY *ssl_get_sign_pkey(SSL *s, const SSL_CIPHER *c, | |
1973 | const EVP_MD **pmd); | |
2e5ead83 | 1974 | __owur int ssl_cert_type(const X509 *x, const EVP_PKEY *pkey); |
2cf28d61 | 1975 | void ssl_set_masks(SSL *s); |
4bcdb4a6 MC |
1976 | __owur STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s); |
1977 | __owur int ssl_verify_alarm_type(long type); | |
748f2546 | 1978 | void ssl_sort_cipher_list(void); |
7f3c9036 | 1979 | void ssl_load_ciphers(void); |
a230b26e | 1980 | __owur int ssl_fill_hello_random(SSL *s, int server, unsigned char *field, |
6db6bc5a | 1981 | size_t len); |
57b272b0 DSH |
1982 | __owur int ssl_generate_master_secret(SSL *s, unsigned char *pms, size_t pmslen, |
1983 | int free_pms); | |
0a699a07 | 1984 | __owur EVP_PKEY *ssl_generate_pkey(EVP_PKEY *pm); |
0f1e51ea MC |
1985 | __owur int ssl_derive(SSL *s, EVP_PKEY *privkey, EVP_PKEY *pubkey, |
1986 | int genmaster); | |
6c4e6670 | 1987 | __owur EVP_PKEY *ssl_dh_to_pkey(DH *dh); |
d02b48c6 | 1988 | |
4bcdb4a6 | 1989 | __owur const SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p); |
ae2f7b37 | 1990 | __owur int ssl3_put_cipher_by_char(const SSL_CIPHER *c, WPACKET *pkt, |
2c7b4dbc | 1991 | size_t *len); |
2c4a056f | 1992 | int ssl3_init_finished_mac(SSL *s); |
4bcdb4a6 | 1993 | __owur int ssl3_setup_key_block(SSL *s); |
4bcdb4a6 | 1994 | __owur int ssl3_change_cipher_state(SSL *s, int which); |
d02b48c6 | 1995 | void ssl3_cleanup_key_block(SSL *s); |
4bcdb4a6 | 1996 | __owur int ssl3_do_write(SSL *s, int type); |
0f113f3e | 1997 | int ssl3_send_alert(SSL *s, int level, int desc); |
4bcdb4a6 | 1998 | __owur int ssl3_generate_master_secret(SSL *s, unsigned char *out, |
8c1a5343 MC |
1999 | unsigned char *p, size_t len, |
2000 | size_t *secret_size); | |
28ff8ef3 | 2001 | __owur int ssl3_get_req_cert_type(SSL *s, WPACKET *pkt); |
4bcdb4a6 MC |
2002 | __owur int ssl3_num_ciphers(void); |
2003 | __owur const SSL_CIPHER *ssl3_get_cipher(unsigned int u); | |
0f113f3e | 2004 | int ssl3_renegotiate(SSL *ssl); |
c7f47786 | 2005 | int ssl3_renegotiate_check(SSL *ssl, int initok); |
4bcdb4a6 | 2006 | __owur int ssl3_dispatch_alert(SSL *s); |
6db6bc5a | 2007 | __owur size_t ssl3_final_finish_mac(SSL *s, const char *sender, size_t slen, |
12472b45 | 2008 | unsigned char *p); |
7ee8627f | 2009 | __owur int ssl3_finish_mac(SSL *s, const unsigned char *buf, size_t len); |
81025661 | 2010 | void ssl3_free_digest_list(SSL *s); |
7cea05dc | 2011 | __owur unsigned long ssl3_output_cert_chain(SSL *s, WPACKET *pkt, |
e96e0f8e | 2012 | CERT_PKEY *cpk, int *al); |
4a640fb6 DSH |
2013 | __owur const SSL_CIPHER *ssl3_choose_cipher(SSL *ssl, |
2014 | STACK_OF(SSL_CIPHER) *clnt, | |
2015 | STACK_OF(SSL_CIPHER) *srvr); | |
124037fd | 2016 | __owur int ssl3_digest_cached_records(SSL *s, int keep); |
4bcdb4a6 | 2017 | __owur int ssl3_new(SSL *s); |
0f113f3e | 2018 | void ssl3_free(SSL *s); |
54105ddd MC |
2019 | __owur int ssl3_read(SSL *s, void *buf, size_t len, size_t *readbytes); |
2020 | __owur int ssl3_peek(SSL *s, void *buf, size_t len, size_t *readbytes); | |
7ee8627f | 2021 | __owur int ssl3_write(SSL *s, const void *buf, size_t len, size_t *written); |
4bcdb4a6 | 2022 | __owur int ssl3_shutdown(SSL *s); |
0f113f3e | 2023 | void ssl3_clear(SSL *s); |
4bcdb4a6 MC |
2024 | __owur long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg); |
2025 | __owur long ssl3_ctx_ctrl(SSL_CTX *s, int cmd, long larg, void *parg); | |
2026 | __owur long ssl3_callback_ctrl(SSL *s, int cmd, void (*fp) (void)); | |
2027 | __owur long ssl3_ctx_callback_ctrl(SSL_CTX *s, int cmd, void (*fp) (void)); | |
d02b48c6 | 2028 | |
4bcdb4a6 MC |
2029 | __owur int ssl3_do_change_cipher_spec(SSL *ssl); |
2030 | __owur long ssl3_default_timeout(void); | |
f3b656b2 | 2031 | |
a29fa98c | 2032 | __owur int ssl3_set_handshake_header(SSL *s, WPACKET *pkt, int htype); |
4a01c59f | 2033 | __owur int tls_close_construct_packet(SSL *s, WPACKET *pkt, int htype); |
c7f47786 | 2034 | __owur int tls_setup_handshake(SSL *s); |
a29fa98c | 2035 | __owur int dtls1_set_handshake_header(SSL *s, WPACKET *pkt, int htype); |
4a01c59f | 2036 | __owur int dtls1_close_construct_packet(SSL *s, WPACKET *pkt, int htype); |
4bcdb4a6 MC |
2037 | __owur int ssl3_handshake_write(SSL *s); |
2038 | ||
4bcdb4a6 MC |
2039 | __owur int ssl_allow_compression(SSL *s); |
2040 | ||
ccae4a15 FI |
2041 | __owur int ssl_version_supported(const SSL *s, int version); |
2042 | ||
4fa52141 VD |
2043 | __owur int ssl_set_client_hello_version(SSL *s); |
2044 | __owur int ssl_check_version_downgrade(SSL *s); | |
2045 | __owur int ssl_set_version_bound(int method_version, int version, int *bound); | |
1ab3836b | 2046 | __owur int ssl_choose_server_version(SSL *s, CLIENTHELLO_MSG *hello); |
4fa52141 | 2047 | __owur int ssl_choose_client_version(SSL *s, int version); |
a230b26e EK |
2048 | int ssl_get_client_min_max_version(const SSL *s, int *min_version, |
2049 | int *max_version); | |
4fa52141 | 2050 | |
4bcdb4a6 MC |
2051 | __owur long tls1_default_timeout(void); |
2052 | __owur int dtls1_do_write(SSL *s, int type); | |
4bcdb4a6 | 2053 | void dtls1_set_message_header(SSL *s, |
a773b52a | 2054 | unsigned char mt, |
d736bc1a MC |
2055 | size_t len, |
2056 | size_t frag_off, size_t frag_len); | |
4bcdb4a6 | 2057 | |
7ee8627f MC |
2058 | int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf_, size_t len, |
2059 | size_t *written); | |
4bcdb4a6 | 2060 | |
4bcdb4a6 MC |
2061 | __owur int dtls1_read_failed(SSL *s, int code); |
2062 | __owur int dtls1_buffer_message(SSL *s, int ccs); | |
a773b52a | 2063 | __owur int dtls1_retransmit_message(SSL *s, unsigned short seq, int *found); |
4bcdb4a6 | 2064 | __owur int dtls1_get_queue_priority(unsigned short seq, int is_ccs); |
17dd65e6 | 2065 | int dtls1_retransmit_buffered_messages(SSL *s); |
f5c7f5df MC |
2066 | void dtls1_clear_received_buffer(SSL *s); |
2067 | void dtls1_clear_sent_buffer(SSL *s); | |
0f113f3e MC |
2068 | void dtls1_get_message_header(unsigned char *data, |
2069 | struct hm_header_st *msg_hdr); | |
4bcdb4a6 MC |
2070 | __owur long dtls1_default_timeout(void); |
2071 | __owur struct timeval *dtls1_get_timeout(SSL *s, struct timeval *timeleft); | |
2072 | __owur int dtls1_check_timeout_num(SSL *s); | |
2073 | __owur int dtls1_handle_timeout(SSL *s); | |
9289f21b DSH |
2074 | void dtls1_start_timer(SSL *s); |
2075 | void dtls1_stop_timer(SSL *s); | |
4bcdb4a6 | 2076 | __owur int dtls1_is_timer_expired(SSL *s); |
9289f21b | 2077 | void dtls1_double_timeout(SSL *s); |
c536b6be | 2078 | __owur int dtls_raw_hello_verify_request(WPACKET *pkt, unsigned char *cookie, |
cb150cbc | 2079 | size_t cookie_len); |
4bcdb4a6 | 2080 | __owur int dtls1_send_newsession_ticket(SSL *s); |
7ee8627f | 2081 | __owur size_t dtls1_min_mtu(SSL *s); |
8a35dbb6 | 2082 | void dtls1_hm_fragment_free(hm_fragment *frag); |
8ba708e5 | 2083 | __owur int dtls1_query_mtu(SSL *s); |
480506bd | 2084 | |
4bcdb4a6 | 2085 | __owur int tls1_new(SSL *s); |
58964a49 RE |
2086 | void tls1_free(SSL *s); |
2087 | void tls1_clear(SSL *s); | |
0f113f3e MC |
2088 | long tls1_ctrl(SSL *s, int cmd, long larg, void *parg); |
2089 | long tls1_callback_ctrl(SSL *s, int cmd, void (*fp) (void)); | |
58964a49 | 2090 | |
4bcdb4a6 | 2091 | __owur int dtls1_new(SSL *s); |
36d16f8e BL |
2092 | void dtls1_free(SSL *s); |
2093 | void dtls1_clear(SSL *s); | |
0f113f3e | 2094 | long dtls1_ctrl(SSL *s, int cmd, long larg, void *parg); |
4bcdb4a6 | 2095 | __owur int dtls1_shutdown(SSL *s); |
36d16f8e | 2096 | |
4bcdb4a6 | 2097 | __owur int dtls1_dispatch_alert(SSL *s); |
36d16f8e | 2098 | |
46417569 | 2099 | __owur int ssl_init_wbio_buffer(SSL *s); |
413c4f45 | 2100 | void ssl_free_wbio_buffer(SSL *s); |
58964a49 | 2101 | |
4bcdb4a6 MC |
2102 | __owur int tls1_change_cipher_state(SSL *s, int which); |
2103 | __owur int tls1_setup_key_block(SSL *s); | |
6db6bc5a | 2104 | __owur size_t tls1_final_finish_mac(SSL *s, const char *str, size_t slen, |
12472b45 | 2105 | unsigned char *p); |
4bcdb4a6 | 2106 | __owur int tls1_generate_master_secret(SSL *s, unsigned char *out, |
8c1a5343 MC |
2107 | unsigned char *p, size_t len, |
2108 | size_t *secret_size); | |
92760c21 MC |
2109 | __owur int tls13_setup_key_block(SSL *s); |
2110 | __owur size_t tls13_final_finish_mac(SSL *s, const char *str, size_t slen, | |
2111 | unsigned char *p); | |
0d9824c1 | 2112 | __owur int tls13_change_cipher_state(SSL *s, int which); |
ace081c1 MC |
2113 | __owur int tls13_hkdf_expand(SSL *s, const unsigned char *secret, |
2114 | const unsigned char *label, size_t labellen, | |
2115 | const unsigned char *hash, | |
2116 | unsigned char *out, size_t outlen); | |
34574f19 MC |
2117 | __owur int tls13_derive_key(SSL *s, const unsigned char *secret, |
2118 | unsigned char *key, size_t keylen); | |
2119 | __owur int tls13_derive_iv(SSL *s, const unsigned char *secret, | |
2120 | unsigned char *iv, size_t ivlen); | |
2121 | __owur int tls13_generate_early_secret(SSL *s, const unsigned char *insecret, | |
2122 | size_t insecretlen); | |
2123 | __owur int tls13_generate_handshake_secret(SSL *s, | |
2124 | const unsigned char *insecret, | |
2125 | size_t insecretlen); | |
2126 | __owur int tls13_generate_master_secret(SSL *s, unsigned char *out, | |
2127 | unsigned char *prev, size_t prevlen, | |
2128 | size_t *secret_size); | |
4bcdb4a6 | 2129 | __owur int tls1_export_keying_material(SSL *s, unsigned char *out, size_t olen, |
a230b26e EK |
2130 | const char *label, size_t llen, |
2131 | const unsigned char *p, size_t plen, | |
2132 | int use_context); | |
4bcdb4a6 | 2133 | __owur int tls1_alert_code(int code); |
04904312 | 2134 | __owur int tls13_alert_code(int code); |
4bcdb4a6 MC |
2135 | __owur int ssl3_alert_code(int code); |
2136 | __owur int ssl_ok(SSL *s); | |
58964a49 | 2137 | |
10bf4fc2 | 2138 | # ifndef OPENSSL_NO_EC |
4bcdb4a6 | 2139 | __owur int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s); |
0f113f3e | 2140 | # endif |
41fdcfa7 | 2141 | |
f73e07cf | 2142 | SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n); |
413c4f45 | 2143 | |
0f113f3e | 2144 | # ifndef OPENSSL_NO_EC |
ec24630a DSH |
2145 | /* Flags values from tls1_ec_curve_id2nid() */ |
2146 | /* Mask for curve type */ | |
2147 | # define TLS_CURVE_TYPE 0x3 | |
2148 | # define TLS_CURVE_PRIME 0x0 | |
2149 | # define TLS_CURVE_CHAR2 0x1 | |
2150 | # define TLS_CURVE_CUSTOM 0x2 | |
2151 | __owur int tls1_ec_curve_id2nid(int curve_id, unsigned int *pflags); | |
4bcdb4a6 MC |
2152 | __owur int tls1_ec_nid2curve_id(int nid); |
2153 | __owur int tls1_check_curve(SSL *s, const unsigned char *p, size_t len); | |
de4d764e MC |
2154 | __owur int tls1_shared_group(SSL *s, int nmatch); |
2155 | __owur int tls1_set_groups(unsigned char **pext, size_t *pextlen, | |
a230b26e | 2156 | int *curves, size_t ncurves); |
de4d764e | 2157 | __owur int tls1_set_groups_list(unsigned char **pext, size_t *pextlen, |
a230b26e | 2158 | const char *str); |
7da160b0 MC |
2159 | void tls1_get_formatlist(SSL *s, const unsigned char **pformats, |
2160 | size_t *num_formats); | |
4bcdb4a6 | 2161 | __owur int tls1_check_ec_tmp_key(SSL *s, unsigned long id); |
0a699a07 | 2162 | __owur EVP_PKEY *ssl_generate_pkey_curve(int id); |
0f113f3e | 2163 | # endif /* OPENSSL_NO_EC */ |
33273721 | 2164 | |
4bcdb4a6 | 2165 | __owur int tls1_shared_list(SSL *s, |
a230b26e EK |
2166 | const unsigned char *l1, size_t l1len, |
2167 | const unsigned char *l2, size_t l2len, int nmatch); | |
6b473aca MC |
2168 | __owur int tls_curve_allowed(SSL *s, const unsigned char *curve, int op); |
2169 | __owur int tls1_get_curvelist(SSL *s, int sess, const unsigned char **pcurves, | |
2170 | size_t *num_curves); | |
2171 | ||
a0f63828 | 2172 | void ssl_set_default_md(SSL *s); |
4bcdb4a6 | 2173 | __owur int tls1_set_server_sigalgs(SSL *s); |
1ab3836b MC |
2174 | __owur int tls_get_ticket_from_client(SSL *s, CLIENTHELLO_MSG *hello, |
2175 | SSL_SESSION **ret); | |
7da160b0 | 2176 | __owur int tls_use_ticket(SSL *s); |
a2f9200f | 2177 | |
536199ec | 2178 | __owur int tls12_get_sigandhash(SSL *s, WPACKET *pkt, const EVP_PKEY *pk, |
fe3066ee | 2179 | const EVP_MD *md, int *ispss); |
536199ec | 2180 | __owur const EVP_MD *tls12_get_hash(int hash_nid); |
90d9e49a | 2181 | void ssl_set_sig_mask(uint32_t *pmask_a, SSL *s, int op); |
a2f9200f | 2182 | |
4bcdb4a6 | 2183 | __owur int tls1_set_sigalgs_list(CERT *c, const char *str, int client); |
a230b26e EK |
2184 | __owur int tls1_set_sigalgs(CERT *c, const int *salg, size_t salglen, |
2185 | int client); | |
17dd65e6 | 2186 | int tls1_check_chain(SSL *s, X509 *x, EVP_PKEY *pk, STACK_OF(X509) *chain, |
0f113f3e | 2187 | int idx); |
d61ff83b | 2188 | void tls1_set_cert_validity(SSL *s); |
0f229cce | 2189 | |
a230b26e | 2190 | # ifndef OPENSSL_NO_CT |
4d482ee2 | 2191 | __owur int ssl_validate_ct(SSL *s); |
a230b26e | 2192 | # endif |
ed29e82a | 2193 | |
0f113f3e | 2194 | # ifndef OPENSSL_NO_DH |
4bcdb4a6 | 2195 | __owur DH *ssl_get_auto_dh(SSL *s); |
0f113f3e | 2196 | # endif |
b362ccab | 2197 | |
4bcdb4a6 | 2198 | __owur int ssl_security_cert(SSL *s, SSL_CTX *ctx, X509 *x, int vfy, int is_ee); |
a230b26e EK |
2199 | __owur int ssl_security_cert_chain(SSL *s, STACK_OF(X509) *sk, X509 *ex, |
2200 | int vfy); | |
b362ccab | 2201 | |
4bcdb4a6 | 2202 | __owur EVP_MD_CTX *ssl_replace_hash(EVP_MD_CTX **hash, const EVP_MD *md); |
b948e2c5 | 2203 | void ssl_clear_hash_ctx(EVP_MD_CTX **hash); |
4bcdb4a6 | 2204 | __owur long ssl_get_algorithm2(SSL *s); |
ae2f7b37 | 2205 | __owur int tls12_copy_sigalgs(SSL *s, WPACKET *pkt, |
703bcee0 MC |
2206 | const unsigned int *psig, size_t psiglen); |
2207 | __owur int tls1_save_sigalgs(SSL *s, PACKET *pkt); | |
4bcdb4a6 | 2208 | __owur int tls1_process_sigalgs(SSL *s); |
a9669ddc | 2209 | __owur size_t tls12_get_psigalgs(SSL *s, int sent, const unsigned int **psigs); |
703bcee0 MC |
2210 | __owur int tls12_check_peer_sigalg(const EVP_MD **pmd, SSL *s, unsigned int sig, |
2211 | EVP_PKEY *pkey); | |
b7bfe69b | 2212 | void ssl_set_client_disabled(SSL *s); |
4bcdb4a6 | 2213 | __owur int ssl_cipher_disabled(SSL *s, const SSL_CIPHER *c, int op); |
1c78c43b | 2214 | |
8c1a5343 MC |
2215 | __owur int ssl_handshake_hash(SSL *s, unsigned char *out, size_t outlen, |
2216 | size_t *hashlen); | |
152fbc28 | 2217 | __owur const EVP_MD *ssl_md(int idx); |
28ba2541 DSH |
2218 | __owur const EVP_MD *ssl_handshake_md(SSL *s); |
2219 | __owur const EVP_MD *ssl_prf_md(SSL *s); | |
48fbcbac | 2220 | |
2faa1b48 CB |
2221 | /* |
2222 | * ssl_log_rsa_client_key_exchange logs |premaster| to the SSL_CTX associated | |
2223 | * with |ssl|, if logging is enabled. It returns one on success and zero on | |
2224 | * failure. The entry is identified by the first 8 bytes of | |
2225 | * |encrypted_premaster|. | |
2226 | */ | |
2227 | __owur int ssl_log_rsa_client_key_exchange(SSL *ssl, | |
2228 | const uint8_t *encrypted_premaster, | |
2229 | size_t encrypted_premaster_len, | |
2230 | const uint8_t *premaster, | |
2231 | size_t premaster_len); | |
2232 | ||
2233 | /* ssl_log_master_secret logs |master| to the SSL_CTX associated with |ssl|, if | |
2234 | * logging is enabled. It returns one on success and zero on failure. The entry | |
2235 | * is identified by |client_random|. | |
2236 | */ | |
2237 | __owur int ssl_log_master_secret(SSL *ssl, const uint8_t *client_random, | |
2238 | size_t client_random_len, | |
2239 | const uint8_t *master, size_t master_len); | |
2240 | ||
2acc020b | 2241 | /* s3_cbc.c */ |
4bcdb4a6 | 2242 | __owur char ssl3_cbc_record_digest_supported(const EVP_MD_CTX *ctx); |
5f3d93e4 MC |
2243 | __owur int ssl3_cbc_digest_record(const EVP_MD_CTX *ctx, |
2244 | unsigned char *md_out, | |
2245 | size_t *md_out_size, | |
2246 | const unsigned char header[13], | |
2247 | const unsigned char *data, | |
2248 | size_t data_plus_mac_size, | |
2249 | size_t data_plus_mac_plus_padding_size, | |
2250 | const unsigned char *mac_secret, | |
d0e7c31d | 2251 | size_t mac_secret_length, char is_sslv3); |
0f113f3e | 2252 | |
d166ed8c DSH |
2253 | __owur int tls_fips_digest_extra(const EVP_CIPHER_CTX *cipher_ctx, |
2254 | EVP_MD_CTX *mac_ctx, const unsigned char *data, | |
2255 | size_t data_len, size_t orig_len); | |
0989790b | 2256 | |
57b272b0 DSH |
2257 | __owur int srp_generate_server_master_secret(SSL *s); |
2258 | __owur int srp_generate_client_master_secret(SSL *s); | |
4bcdb4a6 | 2259 | __owur int srp_verify_server_param(SSL *s, int *al); |
0989790b | 2260 | |
ecf4d660 DSH |
2261 | /* t1_ext.c */ |
2262 | ||
28ea0a0c DSH |
2263 | void custom_ext_init(custom_ext_methods *meths); |
2264 | ||
4bcdb4a6 | 2265 | __owur int custom_ext_parse(SSL *s, int server, |
a230b26e EK |
2266 | unsigned int ext_type, |
2267 | const unsigned char *ext_data, size_t ext_size, | |
2268 | int *al); | |
ae2f7b37 | 2269 | __owur int custom_ext_add(SSL *s, int server, WPACKET *pkt, int *al); |
a230b26e EK |
2270 | |
2271 | __owur int custom_exts_copy(custom_ext_methods *dst, | |
2272 | const custom_ext_methods *src); | |
ecf4d660 DSH |
2273 | void custom_exts_free(custom_ext_methods *exts); |
2274 | ||
b3599dbb | 2275 | void ssl_comp_free_compression_methods_int(void); |
03b0e735 | 2276 | |
0f113f3e | 2277 | # else |
e0fc7961 | 2278 | |
0f113f3e MC |
2279 | # define ssl_init_wbio_buffer SSL_test_functions()->p_ssl_init_wbio_buffer |
2280 | # define ssl3_setup_buffers SSL_test_functions()->p_ssl3_setup_buffers | |
c4e6fb15 | 2281 | |
0f113f3e | 2282 | # endif |
e0fc7961 | 2283 | #endif |