]>
Commit | Line | Data |
---|---|---|
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 | |
e5c4bf93 DSH |
232 | /* Any appropriate key exchange algorithm (for TLS 1.3 ciphersuites) */ |
233 | # define SSL_kANY 0x00000000U | |
234 | ||
52b8dad8 | 235 | /* Bits for algorithm_auth (server authentication) */ |
68d39f3c | 236 | /* RSA auth */ |
36e79832 | 237 | # define SSL_aRSA 0x00000001U |
68d39f3c | 238 | /* DSS auth */ |
36e79832 | 239 | # define SSL_aDSS 0x00000002U |
68d39f3c | 240 | /* no auth (i.e. use ADH or AECDH) */ |
36e79832 | 241 | # define SSL_aNULL 0x00000004U |
68d39f3c | 242 | /* ECDSA auth*/ |
ce0c1f2b | 243 | # define SSL_aECDSA 0x00000008U |
68d39f3c | 244 | /* PSK auth */ |
ce0c1f2b | 245 | # define SSL_aPSK 0x00000010U |
68d39f3c | 246 | /* GOST R 34.10-2001 signature auth */ |
ce0c1f2b | 247 | # define SSL_aGOST01 0x00000020U |
68d39f3c | 248 | /* SRP auth */ |
ce0c1f2b | 249 | # define SSL_aSRP 0x00000040U |
e44380a9 | 250 | /* GOST R 34.10-2012 signature auth */ |
ce0c1f2b | 251 | # define SSL_aGOST12 0x00000080U |
e5c4bf93 DSH |
252 | /* Any appropriate signature auth (for TLS 1.3 ciphersuites) */ |
253 | # define SSL_aANY 0x00000000U | |
52b8dad8 BM |
254 | |
255 | /* Bits for algorithm_enc (symmetric encryption) */ | |
36e79832 DSH |
256 | # define SSL_DES 0x00000001U |
257 | # define SSL_3DES 0x00000002U | |
258 | # define SSL_RC4 0x00000004U | |
259 | # define SSL_RC2 0x00000008U | |
260 | # define SSL_IDEA 0x00000010U | |
261 | # define SSL_eNULL 0x00000020U | |
262 | # define SSL_AES128 0x00000040U | |
263 | # define SSL_AES256 0x00000080U | |
264 | # define SSL_CAMELLIA128 0x00000100U | |
265 | # define SSL_CAMELLIA256 0x00000200U | |
266 | # define SSL_eGOST2814789CNT 0x00000400U | |
267 | # define SSL_SEED 0x00000800U | |
268 | # define SSL_AES128GCM 0x00001000U | |
269 | # define SSL_AES256GCM 0x00002000U | |
270 | # define SSL_AES128CCM 0x00004000U | |
271 | # define SSL_AES256CCM 0x00008000U | |
272 | # define SSL_AES128CCM8 0x00010000U | |
273 | # define SSL_AES256CCM8 0x00020000U | |
e44380a9 | 274 | # define SSL_eGOST2814789CNT12 0x00040000U |
a76ba82c | 275 | # define SSL_CHACHA20POLY1305 0x00080000U |
0f113f3e | 276 | |
a556f342 EK |
277 | # define SSL_AESGCM (SSL_AES128GCM | SSL_AES256GCM) |
278 | # define SSL_AESCCM (SSL_AES128CCM | SSL_AES256CCM | SSL_AES128CCM8 | SSL_AES256CCM8) | |
279 | # define SSL_AES (SSL_AES128|SSL_AES256|SSL_AESGCM|SSL_AESCCM) | |
0f113f3e | 280 | # define SSL_CAMELLIA (SSL_CAMELLIA128|SSL_CAMELLIA256) |
1c37fd96 | 281 | # define SSL_CHACHA20 (SSL_CHACHA20POLY1305) |
52b8dad8 BM |
282 | |
283 | /* Bits for algorithm_mac (symmetric authentication) */ | |
28dd49fa | 284 | |
36e79832 DSH |
285 | # define SSL_MD5 0x00000001U |
286 | # define SSL_SHA1 0x00000002U | |
287 | # define SSL_GOST94 0x00000004U | |
288 | # define SSL_GOST89MAC 0x00000008U | |
289 | # define SSL_SHA256 0x00000010U | |
290 | # define SSL_SHA384 0x00000020U | |
28dd49fa | 291 | /* Not a real MAC, just an indication it is part of cipher */ |
36e79832 | 292 | # define SSL_AEAD 0x00000040U |
e44380a9 DB |
293 | # define SSL_GOST12_256 0x00000080U |
294 | # define SSL_GOST89MAC12 0x00000100U | |
295 | # define SSL_GOST12_512 0x00000200U | |
52b8dad8 | 296 | |
0f113f3e | 297 | /* |
e44380a9 | 298 | * When adding new digest in the ssl_ciph.c and increment SSL_MD_NUM_IDX make |
0f113f3e MC |
299 | * sure to update this constant too |
300 | */ | |
28ba2541 DSH |
301 | |
302 | # define SSL_MD_MD5_IDX 0 | |
303 | # define SSL_MD_SHA1_IDX 1 | |
304 | # define SSL_MD_GOST94_IDX 2 | |
305 | # define SSL_MD_GOST89MAC_IDX 3 | |
306 | # define SSL_MD_SHA256_IDX 4 | |
307 | # define SSL_MD_SHA384_IDX 5 | |
308 | # define SSL_MD_GOST12_256_IDX 6 | |
309 | # define SSL_MD_GOST89MAC12_IDX 7 | |
310 | # define SSL_MD_GOST12_512_IDX 8 | |
311 | # define SSL_MD_MD5_SHA1_IDX 9 | |
7afd2312 DSH |
312 | # define SSL_MD_SHA224_IDX 10 |
313 | # define SSL_MD_SHA512_IDX 11 | |
314 | # define SSL_MAX_DIGEST 12 | |
28ba2541 DSH |
315 | |
316 | /* Bits for algorithm2 (handshake digests and other extra flags) */ | |
317 | ||
318 | /* Bits 0-7 are handshake MAC */ | |
319 | # define SSL_HANDSHAKE_MAC_MASK 0xFF | |
320 | # define SSL_HANDSHAKE_MAC_MD5_SHA1 SSL_MD_MD5_SHA1_IDX | |
321 | # define SSL_HANDSHAKE_MAC_SHA256 SSL_MD_SHA256_IDX | |
322 | # define SSL_HANDSHAKE_MAC_SHA384 SSL_MD_SHA384_IDX | |
323 | # define SSL_HANDSHAKE_MAC_GOST94 SSL_MD_GOST94_IDX | |
324 | # define SSL_HANDSHAKE_MAC_GOST12_256 SSL_MD_GOST12_256_IDX | |
325 | # define SSL_HANDSHAKE_MAC_GOST12_512 SSL_MD_GOST12_512_IDX | |
326 | # define SSL_HANDSHAKE_MAC_DEFAULT SSL_HANDSHAKE_MAC_MD5_SHA1 | |
327 | ||
328 | /* Bits 8-15 bits are PRF */ | |
329 | # define TLS1_PRF_DGST_SHIFT 8 | |
330 | # define TLS1_PRF_SHA1_MD5 (SSL_MD_MD5_SHA1_IDX << TLS1_PRF_DGST_SHIFT) | |
331 | # define TLS1_PRF_SHA256 (SSL_MD_SHA256_IDX << TLS1_PRF_DGST_SHIFT) | |
332 | # define TLS1_PRF_SHA384 (SSL_MD_SHA384_IDX << TLS1_PRF_DGST_SHIFT) | |
333 | # define TLS1_PRF_GOST94 (SSL_MD_GOST94_IDX << TLS1_PRF_DGST_SHIFT) | |
334 | # define TLS1_PRF_GOST12_256 (SSL_MD_GOST12_256_IDX << TLS1_PRF_DGST_SHIFT) | |
335 | # define TLS1_PRF_GOST12_512 (SSL_MD_GOST12_512_IDX << TLS1_PRF_DGST_SHIFT) | |
336 | # define TLS1_PRF (SSL_MD_MD5_SHA1_IDX << TLS1_PRF_DGST_SHIFT) | |
761772d7 | 337 | |
0f113f3e MC |
338 | /* |
339 | * Stream MAC for GOST ciphersuites from cryptopro draft (currently this also | |
340 | * goes into algorithm2) | |
341 | */ | |
28ba2541 | 342 | # define TLS1_STREAM_MAC 0x10000 |
761772d7 | 343 | |
88a9614b | 344 | # define SSL_STRONG_MASK 0x0000001FU |
361a1191 | 345 | # define SSL_DEFAULT_MASK 0X00000020U |
c84f7f4a | 346 | |
361a1191 KR |
347 | # define SSL_STRONG_NONE 0x00000001U |
348 | # define SSL_LOW 0x00000002U | |
349 | # define SSL_MEDIUM 0x00000004U | |
350 | # define SSL_HIGH 0x00000008U | |
351 | # define SSL_FIPS 0x00000010U | |
352 | # define SSL_NOT_DEFAULT 0x00000020U | |
018e57c7 | 353 | |
361a1191 | 354 | /* we have used 0000003f - 26 bits left to go */ |
d02b48c6 | 355 | |
34f7245b MC |
356 | /* Flag used on OpenSSL ciphersuite ids to indicate they are for SSLv3+ */ |
357 | # define SSL3_CK_CIPHERSUITE_FLAG 0x03000000 | |
358 | ||
890f2f8b | 359 | /* Check if an SSL structure is using DTLS */ |
0f113f3e | 360 | # define SSL_IS_DTLS(s) (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS) |
f2342b7a MC |
361 | |
362 | /* Check if we are using TLSv1.3 */ | |
c805f618 MC |
363 | # define SSL_IS_TLS13(s) (!SSL_IS_DTLS(s) \ |
364 | && (s)->method->version >= TLS1_3_VERSION \ | |
365 | && (s)->method->version != TLS_ANY_VERSION) | |
f2342b7a | 366 | |
c7f47786 MC |
367 | # define SSL_IS_FIRST_HANDSHAKE(S) ((s)->s3->tmp.finish_md_len == 0) |
368 | ||
cbd64894 | 369 | /* See if we need explicit IV */ |
0f113f3e MC |
370 | # define SSL_USE_EXPLICIT_IV(s) \ |
371 | (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_EXPLICIT_IV) | |
372 | /* | |
373 | * See if we use signature algorithms extension and signature algorithm | |
374 | * before signatures. | |
cbd64894 | 375 | */ |
0f113f3e MC |
376 | # define SSL_USE_SIGALGS(s) \ |
377 | (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_SIGALGS) | |
378 | /* | |
379 | * Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2: may | |
380 | * apply to others in future. | |
4221c0dd | 381 | */ |
0f113f3e MC |
382 | # define SSL_USE_TLS1_2_CIPHERS(s) \ |
383 | (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_TLS1_2_CIPHERS) | |
384 | /* | |
385 | * Determine if a client can use TLS 1.2 ciphersuites: can't rely on method | |
1e2d4cb0 DSH |
386 | * flags because it may not be set to correct version yet. |
387 | */ | |
0f113f3e | 388 | # define SSL_CLIENT_USE_TLS1_2_CIPHERS(s) \ |
4fa52141 VD |
389 | ((!SSL_IS_DTLS(s) && s->client_version >= TLS1_2_VERSION) || \ |
390 | (SSL_IS_DTLS(s) && DTLS_VERSION_GE(s->client_version, DTLS1_2_VERSION))) | |
f7aa3185 DB |
391 | /* |
392 | * Determine if a client should send signature algorithms extension: | |
393 | * as with TLS1.2 cipher we can't rely on method flags. | |
394 | */ | |
395 | # define SSL_CLIENT_USE_SIGALGS(s) \ | |
396 | SSL_CLIENT_USE_TLS1_2_CIPHERS(s) | |
0f113f3e | 397 | |
28a31a0a MC |
398 | # define SSL_READ_ETM(s) (s->s3->flags & TLS1_FLAGS_ENCRYPT_THEN_MAC_READ) |
399 | # define SSL_WRITE_ETM(s) (s->s3->flags & TLS1_FLAGS_ENCRYPT_THEN_MAC_WRITE) | |
5e3ff62c | 400 | |
d02b48c6 | 401 | /* Mostly for SSLv3 */ |
d0ff28f8 DSH |
402 | # define SSL_PKEY_RSA 0 |
403 | # define SSL_PKEY_DSA_SIGN 1 | |
404 | # define SSL_PKEY_ECC 2 | |
405 | # define SSL_PKEY_GOST01 3 | |
406 | # define SSL_PKEY_GOST12_256 4 | |
407 | # define SSL_PKEY_GOST12_512 5 | |
408 | # define SSL_PKEY_NUM 6 | |
e44380a9 DB |
409 | /* |
410 | * Pseudo-constant. GOST cipher suites can use different certs for 1 | |
411 | * SSL_CIPHER. So let's see which one we have in fact. | |
412 | */ | |
413 | # define SSL_PKEY_GOST_EC SSL_PKEY_NUM+1 | |
d02b48c6 | 414 | |
17ae384e | 415 | /* |
d0ff28f8 | 416 | * TODO(TLS1.3) for now use SSL_PKEY_RSA keys for PSS |
17ae384e DSH |
417 | */ |
418 | ||
d0ff28f8 | 419 | #define SSL_PKEY_RSA_PSS_SIGN SSL_PKEY_RSA |
17ae384e | 420 | |
1d97c843 | 421 | /*- |
361a1191 | 422 | * SSL_kRSA <- RSA_ENC |
d02b48c6 | 423 | * SSL_kDH <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN) |
5a21cadb | 424 | * SSL_kDHE <- RSA_ENC | RSA_SIGN | DSA_SIGN |
d02b48c6 RE |
425 | * SSL_aRSA <- RSA_ENC | RSA_SIGN |
426 | * SSL_aDSS <- DSA_SIGN | |
427 | */ | |
428 | ||
23a22b4c | 429 | /*- |
0f113f3e MC |
430 | #define CERT_INVALID 0 |
431 | #define CERT_PUBLIC_KEY 1 | |
432 | #define CERT_PRIVATE_KEY 2 | |
d02b48c6 RE |
433 | */ |
434 | ||
e9fa092e | 435 | /* CipherSuite length. SSLv3 and all TLS versions. */ |
a230b26e | 436 | # define TLS_CIPHER_LEN 2 |
b6ba4014 MC |
437 | /* used to hold info on the particular ciphers used */ |
438 | struct ssl_cipher_st { | |
90d9e49a | 439 | uint32_t valid; |
a230b26e EK |
440 | const char *name; /* text name */ |
441 | uint32_t id; /* id, 4 bytes, first is version */ | |
b6ba4014 | 442 | /* |
90d9e49a | 443 | * changed in 1.0.0: these four used to be portions of a single value |
b6ba4014 MC |
444 | * 'algorithms' |
445 | */ | |
a230b26e EK |
446 | uint32_t algorithm_mkey; /* key exchange algorithm */ |
447 | uint32_t algorithm_auth; /* server authentication */ | |
448 | uint32_t algorithm_enc; /* symmetric encryption */ | |
449 | uint32_t algorithm_mac; /* symmetric authentication */ | |
450 | int min_tls; /* minimum SSL/TLS protocol version */ | |
451 | int max_tls; /* maximum SSL/TLS protocol version */ | |
452 | int min_dtls; /* minimum DTLS protocol version */ | |
453 | int max_dtls; /* maximum DTLS protocol version */ | |
454 | uint32_t algo_strength; /* strength and export flags */ | |
455 | uint32_t algorithm2; /* Extra flags */ | |
456 | int32_t strength_bits; /* Number of bits really used */ | |
457 | uint32_t alg_bits; /* Number of bits for algorithm */ | |
b6ba4014 MC |
458 | }; |
459 | ||
87d9cafa | 460 | /* Used to hold SSL/TLS functions */ |
b6ba4014 MC |
461 | struct ssl_method_st { |
462 | int version; | |
4fa52141 VD |
463 | unsigned flags; |
464 | unsigned long mask; | |
b6ba4014 MC |
465 | int (*ssl_new) (SSL *s); |
466 | void (*ssl_clear) (SSL *s); | |
467 | void (*ssl_free) (SSL *s); | |
468 | int (*ssl_accept) (SSL *s); | |
469 | int (*ssl_connect) (SSL *s); | |
54105ddd MC |
470 | int (*ssl_read) (SSL *s, void *buf, size_t len, size_t *readbytes); |
471 | int (*ssl_peek) (SSL *s, void *buf, size_t len, size_t *readbytes); | |
7ee8627f | 472 | int (*ssl_write) (SSL *s, const void *buf, size_t len, size_t *written); |
b6ba4014 MC |
473 | int (*ssl_shutdown) (SSL *s); |
474 | int (*ssl_renegotiate) (SSL *s); | |
c7f47786 | 475 | int (*ssl_renegotiate_check) (SSL *s, int); |
657da85e | 476 | int (*ssl_read_bytes) (SSL *s, int type, int *recvd_type, |
eda75751 | 477 | unsigned char *buf, size_t len, int peek, |
54105ddd | 478 | size_t *readbytes); |
7ee8627f MC |
479 | int (*ssl_write_bytes) (SSL *s, int type, const void *buf_, size_t len, |
480 | size_t *written); | |
b6ba4014 MC |
481 | int (*ssl_dispatch_alert) (SSL *s); |
482 | long (*ssl_ctrl) (SSL *s, int cmd, long larg, void *parg); | |
483 | long (*ssl_ctx_ctrl) (SSL_CTX *ctx, int cmd, long larg, void *parg); | |
484 | const SSL_CIPHER *(*get_cipher_by_char) (const unsigned char *ptr); | |
ae2f7b37 | 485 | int (*put_cipher_by_char) (const SSL_CIPHER *cipher, WPACKET *pkt, |
2c7b4dbc | 486 | size_t *len); |
8b0e934a | 487 | size_t (*ssl_pending) (const SSL *s); |
b6ba4014 MC |
488 | int (*num_ciphers) (void); |
489 | const SSL_CIPHER *(*get_cipher) (unsigned ncipher); | |
b6ba4014 MC |
490 | long (*get_timeout) (void); |
491 | const struct ssl3_enc_method *ssl3_enc; /* Extra SSLv3/TLS stuff */ | |
492 | int (*ssl_version) (void); | |
493 | long (*ssl_callback_ctrl) (SSL *s, int cb_id, void (*fp) (void)); | |
494 | long (*ssl_ctx_callback_ctrl) (SSL_CTX *s, int cb_id, void (*fp) (void)); | |
495 | }; | |
496 | ||
497 | /*- | |
498 | * Lets make this into an ASN.1 type structure as follows | |
499 | * SSL_SESSION_ID ::= SEQUENCE { | |
500 | * version INTEGER, -- structure version number | |
501 | * SSLversion INTEGER, -- SSL version number | |
502 | * Cipher OCTET STRING, -- the 3 byte cipher ID | |
503 | * Session_ID OCTET STRING, -- the Session ID | |
504 | * Master_key OCTET STRING, -- the master key | |
b6ba4014 MC |
505 | * Key_Arg [ 0 ] IMPLICIT OCTET STRING, -- the optional Key argument |
506 | * Time [ 1 ] EXPLICIT INTEGER, -- optional Start Time | |
507 | * Timeout [ 2 ] EXPLICIT INTEGER, -- optional Timeout ins seconds | |
508 | * Peer [ 3 ] EXPLICIT X509, -- optional Peer Certificate | |
509 | * Session_ID_context [ 4 ] EXPLICIT OCTET STRING, -- the Session ID context | |
510 | * Verify_result [ 5 ] EXPLICIT INTEGER, -- X509_V_... code for `Peer' | |
511 | * HostName [ 6 ] EXPLICIT OCTET STRING, -- optional HostName from servername TLS extension | |
512 | * PSK_identity_hint [ 7 ] EXPLICIT OCTET STRING, -- optional PSK identity hint | |
513 | * PSK_identity [ 8 ] EXPLICIT OCTET STRING, -- optional PSK identity | |
514 | * Ticket_lifetime_hint [9] EXPLICIT INTEGER, -- server's lifetime hint for session ticket | |
515 | * Ticket [10] EXPLICIT OCTET STRING, -- session ticket (clients only) | |
516 | * Compression_meth [11] EXPLICIT OCTET STRING, -- optional compression method | |
517 | * SRP_username [ 12 ] EXPLICIT OCTET STRING -- optional SRP username | |
6f152a15 | 518 | * flags [ 13 ] EXPLICIT INTEGER -- optional flags |
b6ba4014 MC |
519 | * } |
520 | * Look in ssl/ssl_asn1.c for more details | |
521 | * I'm using EXPLICIT tags so I can read the damn things using asn1parse :-). | |
522 | */ | |
523 | struct ssl_session_st { | |
a230b26e EK |
524 | int ssl_version; /* what ssl version session info is being kept |
525 | * in here? */ | |
8c1a5343 | 526 | size_t master_key_length; |
ec15acb6 MC |
527 | |
528 | /* | |
529 | * For <=TLS1.2 this is the master_key. For TLS1.3 this is the resumption | |
530 | * master secret | |
531 | */ | |
1a3392c8 | 532 | unsigned char master_key[TLS13_MAX_RESUMPTION_MASTER_LENGTH]; |
b6ba4014 | 533 | /* session_id - valid? */ |
ec60ccc1 | 534 | size_t session_id_length; |
b6ba4014 MC |
535 | unsigned char session_id[SSL_MAX_SSL_SESSION_ID_LENGTH]; |
536 | /* | |
537 | * this is used to determine whether the session is being reused in the | |
538 | * appropriate context. It is up to the application to set this, via | |
539 | * SSL_new | |
540 | */ | |
ec60ccc1 | 541 | size_t sid_ctx_length; |
b6ba4014 | 542 | unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH]; |
b6ba4014 MC |
543 | # ifndef OPENSSL_NO_PSK |
544 | char *psk_identity_hint; | |
545 | char *psk_identity; | |
546 | # endif | |
547 | /* | |
548 | * Used to indicate that session resumption is not allowed. Applications | |
549 | * can also set this bit for a new session via not_resumable_session_cb | |
550 | * to disable session caching and tickets. | |
551 | */ | |
552 | int not_resumable; | |
a273c6ee | 553 | /* This is the cert and type for the other end. */ |
b6ba4014 | 554 | X509 *peer; |
a273c6ee | 555 | int peer_type; |
696178ed | 556 | /* Certificate chain peer sent */ |
c34b0f99 | 557 | STACK_OF(X509) *peer_chain; |
b6ba4014 MC |
558 | /* |
559 | * when app_verify_callback accepts a session where the peer's | |
560 | * certificate is not ok, we must remember the error for session reuse: | |
561 | */ | |
562 | long verify_result; /* only for servers */ | |
2f545ae4 | 563 | CRYPTO_REF_COUNT references; |
b6ba4014 MC |
564 | long timeout; |
565 | long time; | |
566 | unsigned int compress_meth; /* Need to lookup the method */ | |
567 | const SSL_CIPHER *cipher; | |
a230b26e EK |
568 | unsigned long cipher_id; /* when ASN.1 loaded, this needs to be used to |
569 | * load the 'cipher' structure */ | |
b6ba4014 MC |
570 | STACK_OF(SSL_CIPHER) *ciphers; /* shared ciphers? */ |
571 | CRYPTO_EX_DATA ex_data; /* application specific data */ | |
572 | /* | |
573 | * These are used to make removal of session-ids more efficient and to | |
574 | * implement a maximum cache size. | |
575 | */ | |
576 | struct ssl_session_st *prev, *next; | |
aff8c126 RS |
577 | |
578 | struct { | |
579 | char *hostname; | |
e481f9b9 | 580 | # ifndef OPENSSL_NO_EC |
aff8c126 RS |
581 | size_t ecpointformats_len; |
582 | unsigned char *ecpointformats; /* peer's list */ | |
583 | size_t supportedgroups_len; | |
584 | unsigned char *supportedgroups; /* peer's list */ | |
a230b26e | 585 | # endif /* OPENSSL_NO_EC */ |
b6ba4014 | 586 | /* RFC4507 info */ |
aff8c126 RS |
587 | unsigned char *tick; /* Session ticket */ |
588 | size_t ticklen; /* Session ticket length */ | |
589 | /* Session lifetime hint in seconds */ | |
590 | unsigned long tick_lifetime_hint; | |
fc24f0bf | 591 | uint32_t tick_age_add; |
ec15acb6 | 592 | int tick_identity; |
aff8c126 | 593 | } ext; |
b6ba4014 MC |
594 | # ifndef OPENSSL_NO_SRP |
595 | char *srp_username; | |
596 | # endif | |
f7d53487 | 597 | uint32_t flags; |
16203f7b | 598 | CRYPTO_RWLOCK *lock; |
b6ba4014 MC |
599 | }; |
600 | ||
6f152a15 | 601 | /* Extended master secret support */ |
a230b26e | 602 | # define SSL_SESS_FLAG_EXTMS 0x1 |
b6ba4014 MC |
603 | |
604 | # ifndef OPENSSL_NO_SRP | |
605 | ||
606 | typedef struct srp_ctx_st { | |
607 | /* param for all the callbacks */ | |
608 | void *SRP_cb_arg; | |
609 | /* set client Hello login callback */ | |
610 | int (*TLS_ext_srp_username_callback) (SSL *, int *, void *); | |
611 | /* set SRP N/g param callback for verification */ | |
612 | int (*SRP_verify_param_callback) (SSL *, void *); | |
613 | /* set SRP client passwd callback */ | |
614 | char *(*SRP_give_srp_client_pwd_callback) (SSL *, void *); | |
615 | char *login; | |
616 | BIGNUM *N, *g, *s, *B, *A; | |
617 | BIGNUM *a, *b, *v; | |
618 | char *info; | |
619 | int strength; | |
620 | unsigned long srp_Mask; | |
621 | } SRP_CTX; | |
622 | ||
623 | # endif | |
624 | ||
b6ba4014 MC |
625 | struct ssl_comp_st { |
626 | int id; | |
627 | const char *name; | |
b6ba4014 | 628 | COMP_METHOD *method; |
b6ba4014 MC |
629 | }; |
630 | ||
89d6aa10 | 631 | DEFINE_LHASH_OF(SSL_SESSION); |
ce023e77 VD |
632 | /* Needed in ssl_cert.c */ |
633 | DEFINE_LHASH_OF(X509_NAME); | |
f8e0a557 | 634 | |
a230b26e | 635 | # define TLSEXT_KEYNAME_LENGTH 16 |
d139723b | 636 | |
b6ba4014 MC |
637 | struct ssl_ctx_st { |
638 | const SSL_METHOD *method; | |
639 | STACK_OF(SSL_CIPHER) *cipher_list; | |
640 | /* same as above but sorted for lookup */ | |
641 | STACK_OF(SSL_CIPHER) *cipher_list_by_id; | |
642 | struct x509_store_st /* X509_STORE */ *cert_store; | |
643 | LHASH_OF(SSL_SESSION) *sessions; | |
644 | /* | |
645 | * Most session-ids that will be cached, default is | |
646 | * SSL_SESSION_CACHE_MAX_SIZE_DEFAULT. 0 is unlimited. | |
647 | */ | |
cb150cbc | 648 | size_t session_cache_size; |
b6ba4014 MC |
649 | struct ssl_session_st *session_cache_head; |
650 | struct ssl_session_st *session_cache_tail; | |
651 | /* | |
652 | * This can have one of 2 values, ored together, SSL_SESS_CACHE_CLIENT, | |
653 | * SSL_SESS_CACHE_SERVER, Default is SSL_SESSION_CACHE_SERVER, which | |
654 | * means only SSL_accept which cache SSL_SESSIONS. | |
655 | */ | |
f7d53487 | 656 | uint32_t session_cache_mode; |
b6ba4014 MC |
657 | /* |
658 | * If timeout is not 0, it is the default timeout value set when | |
659 | * SSL_new() is called. This has been put in to make life easier to set | |
660 | * things up | |
661 | */ | |
662 | long session_timeout; | |
663 | /* | |
664 | * If this callback is not null, it will be called each time a session id | |
665 | * is added to the cache. If this function returns 1, it means that the | |
666 | * callback will do a SSL_SESSION_free() when it has finished using it. | |
667 | * Otherwise, on 0, it means the callback has finished with it. If | |
668 | * remove_session_cb is not null, it will be called when a session-id is | |
669 | * removed from the cache. After the call, OpenSSL will | |
670 | * SSL_SESSION_free() it. | |
671 | */ | |
672 | int (*new_session_cb) (struct ssl_st *ssl, SSL_SESSION *sess); | |
673 | void (*remove_session_cb) (struct ssl_ctx_st *ctx, SSL_SESSION *sess); | |
674 | SSL_SESSION *(*get_session_cb) (struct ssl_st *ssl, | |
b6981744 EK |
675 | const unsigned char *data, int len, |
676 | int *copy); | |
b6ba4014 MC |
677 | struct { |
678 | int sess_connect; /* SSL new conn - started */ | |
679 | int sess_connect_renegotiate; /* SSL reneg - requested */ | |
680 | int sess_connect_good; /* SSL new conne/reneg - finished */ | |
681 | int sess_accept; /* SSL new accept - started */ | |
682 | int sess_accept_renegotiate; /* SSL reneg - requested */ | |
683 | int sess_accept_good; /* SSL accept/reneg - finished */ | |
684 | int sess_miss; /* session lookup misses */ | |
685 | int sess_timeout; /* reuse attempt on timeouted session */ | |
686 | int sess_cache_full; /* session removed due to full cache */ | |
687 | int sess_hit; /* session reuse actually done */ | |
688 | int sess_cb_hit; /* session-id that was not in the cache was | |
689 | * passed back via the callback. This | |
a230b26e EK |
690 | * indicates that the application is supplying |
691 | * session-id's from other processes - spooky | |
692 | * :-) */ | |
b6ba4014 MC |
693 | } stats; |
694 | ||
2f545ae4 | 695 | CRYPTO_REF_COUNT references; |
b6ba4014 MC |
696 | |
697 | /* if defined, these override the X509_verify_cert() calls */ | |
698 | int (*app_verify_callback) (X509_STORE_CTX *, void *); | |
699 | void *app_verify_arg; | |
700 | /* | |
701 | * before OpenSSL 0.9.7, 'app_verify_arg' was ignored | |
702 | * ('app_verify_callback' was called with just one argument) | |
703 | */ | |
704 | ||
705 | /* Default password callback. */ | |
706 | pem_password_cb *default_passwd_callback; | |
707 | ||
708 | /* Default password callback user data. */ | |
709 | void *default_passwd_callback_userdata; | |
710 | ||
711 | /* get client cert callback */ | |
712 | int (*client_cert_cb) (SSL *ssl, X509 **x509, EVP_PKEY **pkey); | |
713 | ||
714 | /* cookie generate callback */ | |
715 | int (*app_gen_cookie_cb) (SSL *ssl, unsigned char *cookie, | |
716 | unsigned int *cookie_len); | |
717 | ||
718 | /* verify cookie callback */ | |
31011544 | 719 | int (*app_verify_cookie_cb) (SSL *ssl, const unsigned char *cookie, |
b6ba4014 MC |
720 | unsigned int cookie_len); |
721 | ||
722 | CRYPTO_EX_DATA ex_data; | |
723 | ||
724 | const EVP_MD *md5; /* For SSLv3/TLSv1 'ssl3-md5' */ | |
725 | const EVP_MD *sha1; /* For SSLv3/TLSv1 'ssl3->sha1' */ | |
726 | ||
727 | STACK_OF(X509) *extra_certs; | |
728 | STACK_OF(SSL_COMP) *comp_methods; /* stack of SSL_COMP, SSLv3/TLSv1 */ | |
729 | ||
730 | /* Default values used when no per-SSL value is defined follow */ | |
731 | ||
732 | /* used if SSL's info_callback is NULL */ | |
733 | void (*info_callback) (const SSL *ssl, int type, int val); | |
734 | ||
735 | /* what we put in client cert requests */ | |
736 | STACK_OF(X509_NAME) *client_CA; | |
737 | ||
738 | /* | |
739 | * Default values to use in SSL structures follow (these are copied by | |
740 | * SSL_new) | |
741 | */ | |
742 | ||
f7d53487 DSH |
743 | uint32_t options; |
744 | uint32_t mode; | |
7946ab33 KR |
745 | int min_proto_version; |
746 | int max_proto_version; | |
12472b45 | 747 | size_t max_cert_list; |
b6ba4014 MC |
748 | |
749 | struct cert_st /* CERT */ *cert; | |
750 | int read_ahead; | |
751 | ||
752 | /* callback that allows applications to peek at protocol messages */ | |
753 | void (*msg_callback) (int write_p, int version, int content_type, | |
754 | const void *buf, size_t len, SSL *ssl, void *arg); | |
755 | void *msg_callback_arg; | |
756 | ||
f7d53487 | 757 | uint32_t verify_mode; |
ec60ccc1 | 758 | size_t sid_ctx_length; |
b6ba4014 MC |
759 | unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH]; |
760 | /* called 'verify_callback' in the SSL */ | |
761 | int (*default_verify_callback) (int ok, X509_STORE_CTX *ctx); | |
762 | ||
763 | /* Default generate session ID callback. */ | |
764 | GEN_SESSION_CB generate_session_id; | |
765 | ||
766 | X509_VERIFY_PARAM *param; | |
767 | ||
768 | int quiet_shutdown; | |
769 | ||
a230b26e EK |
770 | # ifndef OPENSSL_NO_CT |
771 | CTLOG_STORE *ctlog_store; /* CT Log Store */ | |
ed29e82a | 772 | /* |
a230b26e EK |
773 | * Validates that the SCTs (Signed Certificate Timestamps) are sufficient. |
774 | * If they are not, the connection should be aborted. | |
775 | */ | |
43341433 | 776 | ssl_ct_validation_cb ct_validation_callback; |
ed29e82a | 777 | void *ct_validation_callback_arg; |
a230b26e | 778 | # endif |
ed29e82a | 779 | |
d102d9df MC |
780 | /* |
781 | * If we're using more than one pipeline how should we divide the data | |
782 | * up between the pipes? | |
783 | */ | |
7ee8627f | 784 | size_t split_send_fragment; |
b6ba4014 MC |
785 | /* |
786 | * Maximum amount of data to send in one fragment. actual record size can | |
787 | * be more than this due to padding and MAC overheads. | |
788 | */ | |
7ee8627f | 789 | size_t max_send_fragment; |
b6ba4014 | 790 | |
d102d9df | 791 | /* Up to how many pipelines should we use? If 0 then 1 is assumed */ |
7ee8627f | 792 | size_t max_pipelines; |
d102d9df | 793 | |
dad78fb1 MC |
794 | /* The default read buffer length to use (0 means not set) */ |
795 | size_t default_read_buf_len; | |
796 | ||
a230b26e | 797 | # ifndef OPENSSL_NO_ENGINE |
b6ba4014 MC |
798 | /* |
799 | * Engine to pass requests for client certs to | |
800 | */ | |
801 | ENGINE *client_cert_engine; | |
a230b26e | 802 | # endif |
b6ba4014 | 803 | |
aff8c126 RS |
804 | /* TLS extensions. */ |
805 | struct { | |
806 | /* TLS extensions servername callback */ | |
807 | int (*servername_cb) (SSL *, int *, void *); | |
808 | void *servername_arg; | |
809 | /* RFC 4507 session ticket keys */ | |
810 | unsigned char tick_key_name[TLSEXT_KEYNAME_LENGTH]; | |
811 | unsigned char tick_hmac_key[32]; | |
812 | unsigned char tick_aes_key[32]; | |
813 | /* Callback to support customisation of ticket key setting */ | |
814 | int (*ticket_key_cb) (SSL *ssl, | |
815 | unsigned char *name, unsigned char *iv, | |
816 | EVP_CIPHER_CTX *ectx, HMAC_CTX *hctx, int enc); | |
817 | ||
818 | /* certificate status request info */ | |
819 | /* Callback for status request */ | |
820 | int (*status_cb) (SSL *ssl, void *arg); | |
821 | void *status_arg; | |
822 | /* ext status type used for CSR extension (OCSP Stapling) */ | |
823 | int status_type; | |
b6ba4014 | 824 | |
aff8c126 RS |
825 | # ifndef OPENSSL_NO_EC |
826 | /* EC extension values inherited by SSL structure */ | |
827 | size_t ecpointformats_len; | |
828 | unsigned char *ecpointformats; | |
829 | size_t supportedgroups_len; | |
830 | unsigned char *supportedgroups; | |
831 | # endif /* OPENSSL_NO_EC */ | |
b6ba4014 | 832 | |
aff8c126 RS |
833 | /* |
834 | * ALPN information (we are in the process of transitioning from NPN to | |
835 | * ALPN.) | |
836 | */ | |
b6ba4014 MC |
837 | |
838 | /*- | |
839 | * For a server, this contains a callback function that allows the | |
840 | * server to select the protocol for the connection. | |
841 | * out: on successful return, this must point to the raw protocol | |
842 | * name (without the length prefix). | |
843 | * outlen: on successful return, this contains the length of |*out|. | |
844 | * in: points to the client's list of supported protocols in | |
845 | * wire-format. | |
846 | * inlen: the length of |in|. | |
847 | */ | |
aff8c126 RS |
848 | int (*alpn_select_cb) (SSL *s, |
849 | const unsigned char **out, | |
850 | unsigned char *outlen, | |
851 | const unsigned char *in, | |
852 | unsigned int inlen, void *arg); | |
853 | void *alpn_select_cb_arg; | |
b6ba4014 | 854 | |
aff8c126 RS |
855 | /* |
856 | * For a client, this contains the list of supported protocols in wire | |
857 | * format. | |
858 | */ | |
859 | unsigned char *alpn; | |
860 | size_t alpn_len; | |
861 | ||
e3bc1305 | 862 | # ifndef OPENSSL_NO_NEXTPROTONEG |
aff8c126 RS |
863 | /* Next protocol negotiation information */ |
864 | ||
865 | /* | |
866 | * For a server, this contains a callback function by which the set of | |
867 | * advertised protocols can be provided. | |
868 | */ | |
8cbfcc70 | 869 | SSL_CTX_npn_advertised_cb_func npn_advertised_cb; |
aff8c126 RS |
870 | void *npn_advertised_cb_arg; |
871 | /* | |
872 | * For a client, this contains a callback function that selects the next | |
873 | * protocol from the list provided by the server. | |
874 | */ | |
8cbfcc70 | 875 | SSL_CTX_npn_select_cb_func npn_select_cb; |
aff8c126 RS |
876 | void *npn_select_cb_arg; |
877 | # endif | |
878 | } ext; | |
879 | ||
880 | # ifndef OPENSSL_NO_PSK | |
8cbfcc70 RS |
881 | SSL_psk_client_cb_func psk_client_callback; |
882 | SSL_psk_server_cb_func psk_server_callback; | |
aff8c126 RS |
883 | # endif |
884 | ||
885 | # ifndef OPENSSL_NO_SRP | |
886 | SRP_CTX srp_ctx; /* ctx for SRP authentication */ | |
887 | # endif | |
b6ba4014 | 888 | |
919ba009 VD |
889 | /* Shared DANE context */ |
890 | struct dane_ctx_st dane; | |
891 | ||
b6ba4014 MC |
892 | /* SRTP profiles we are willing to do from RFC 5764 */ |
893 | STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles; | |
b6ba4014 MC |
894 | /* |
895 | * Callback for disabling session caching and ticket support on a session | |
896 | * basis, depending on the chosen cipher. | |
897 | */ | |
898 | int (*not_resumable_session_cb) (SSL *ssl, int is_forward_secure); | |
ba261f71 | 899 | |
16203f7b | 900 | CRYPTO_RWLOCK *lock; |
2faa1b48 CB |
901 | |
902 | /* | |
903 | * Callback for logging key material for use with debugging tools like | |
904 | * Wireshark. The callback should log `line` followed by a newline. | |
905 | */ | |
906 | SSL_CTX_keylog_cb_func keylog_callback; | |
b6ba4014 MC |
907 | }; |
908 | ||
b6ba4014 MC |
909 | struct ssl_st { |
910 | /* | |
911 | * protocol version (one of SSL2_VERSION, SSL3_VERSION, TLS1_VERSION, | |
912 | * DTLS1_VERSION) | |
913 | */ | |
914 | int version; | |
b6ba4014 MC |
915 | /* SSLv3 */ |
916 | const SSL_METHOD *method; | |
917 | /* | |
918 | * There are 2 BIO's even though they are normally both the same. This | |
919 | * is so data can be read and written to different handlers | |
920 | */ | |
921 | /* used by SSL_read */ | |
922 | BIO *rbio; | |
923 | /* used by SSL_write */ | |
924 | BIO *wbio; | |
925 | /* used during session-id reuse to concatenate messages */ | |
926 | BIO *bbio; | |
927 | /* | |
928 | * This holds a variable that indicates what we were doing when a 0 or -1 | |
929 | * is returned. This is needed for non-blocking IO so we know what | |
930 | * request needs re-doing when in SSL_accept or SSL_connect | |
931 | */ | |
932 | int rwstate; | |
b6ba4014 MC |
933 | int (*handshake_func) (SSL *); |
934 | /* | |
935 | * Imagine that here's a boolean member "init" that is switched as soon | |
936 | * as SSL_set_{accept/connect}_state is called for the first time, so | |
937 | * that "state" and "handshake_func" are properly initialized. But as | |
938 | * handshake_func is == 0 until then, we use this test instead of an | |
939 | * "init" member. | |
940 | */ | |
23a635c0 | 941 | /* are we the server side? */ |
b6ba4014 MC |
942 | int server; |
943 | /* | |
944 | * Generate a new session or reuse an old one. | |
945 | * NB: For servers, the 'new' session may actually be a previously | |
946 | * cached session or even the previous session unless | |
947 | * SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION is set | |
948 | */ | |
949 | int new_session; | |
950 | /* don't send shutdown packets */ | |
951 | int quiet_shutdown; | |
952 | /* we have shut things down, 0x01 sent, 0x02 for received */ | |
953 | int shutdown; | |
954 | /* where we are */ | |
d6f1a6e9 | 955 | OSSL_STATEM statem; |
b6ba4014 MC |
956 | BUF_MEM *init_buf; /* buffer used during init */ |
957 | void *init_msg; /* pointer to handshake message body, set by | |
958 | * ssl3_get_message() */ | |
eda75751 MC |
959 | size_t init_num; /* amount read/written */ |
960 | size_t init_off; /* amount read/written */ | |
b6ba4014 MC |
961 | struct ssl3_state_st *s3; /* SSLv3 variables */ |
962 | struct dtls1_state_st *d1; /* DTLSv1 variables */ | |
b6ba4014 MC |
963 | /* callback that allows applications to peek at protocol messages */ |
964 | void (*msg_callback) (int write_p, int version, int content_type, | |
965 | const void *buf, size_t len, SSL *ssl, void *arg); | |
966 | void *msg_callback_arg; | |
967 | int hit; /* reusing a previous session */ | |
968 | X509_VERIFY_PARAM *param; | |
919ba009 | 969 | /* Per connection DANE state */ |
b9aec69a | 970 | SSL_DANE dane; |
b6ba4014 MC |
971 | /* crypto */ |
972 | STACK_OF(SSL_CIPHER) *cipher_list; | |
973 | STACK_OF(SSL_CIPHER) *cipher_list_by_id; | |
974 | /* | |
975 | * These are the ones being used, the ones in SSL_SESSION are the ones to | |
976 | * be 'copied' into these ones | |
977 | */ | |
f7d53487 | 978 | uint32_t mac_flags; |
34574f19 | 979 | /* |
ec15acb6 MC |
980 | * The TLS1.3 secrets. The resumption master secret is stored in the |
981 | * session. | |
34574f19 MC |
982 | */ |
983 | unsigned char early_secret[EVP_MAX_MD_SIZE]; | |
984 | unsigned char handshake_secret[EVP_MAX_MD_SIZE]; | |
ec15acb6 | 985 | unsigned char master_secret[EVP_MAX_MD_SIZE]; |
6484776f MC |
986 | unsigned char client_finished_secret[EVP_MAX_MD_SIZE]; |
987 | unsigned char server_finished_secret[EVP_MAX_MD_SIZE]; | |
ace081c1 | 988 | unsigned char server_finished_hash[EVP_MAX_MD_SIZE]; |
b6ba4014 | 989 | EVP_CIPHER_CTX *enc_read_ctx; /* cryptographic state */ |
bebc0c7d | 990 | unsigned char read_iv[EVP_MAX_IV_LENGTH]; /* TLSv1.3 static read IV */ |
b6ba4014 | 991 | EVP_MD_CTX *read_hash; /* used for mac generation */ |
9a555706 | 992 | COMP_CTX *compress; /* compression */ |
b6ba4014 | 993 | COMP_CTX *expand; /* uncompress */ |
b6ba4014 | 994 | EVP_CIPHER_CTX *enc_write_ctx; /* cryptographic state */ |
bebc0c7d | 995 | unsigned char write_iv[EVP_MAX_IV_LENGTH]; /* TLSv1.3 static write IV */ |
b6ba4014 | 996 | EVP_MD_CTX *write_hash; /* used for mac generation */ |
b6ba4014 MC |
997 | /* session info */ |
998 | /* client cert? */ | |
999 | /* This is used to hold the server certificate used */ | |
1000 | struct cert_st /* CERT */ *cert; | |
2c5dfdc3 MC |
1001 | |
1002 | /* | |
1003 | * The hash of all messages prior to the CertificateVerify, and the length | |
1004 | * of that hash. | |
1005 | */ | |
1006 | unsigned char cert_verify_hash[EVP_MAX_MD_SIZE]; | |
1007 | size_t cert_verify_hash_len; | |
1008 | ||
7d061fce MC |
1009 | /* Flag to indicate whether we should send a HelloRetryRequest or not */ |
1010 | int hello_retry_request; | |
1011 | ||
b6ba4014 MC |
1012 | /* |
1013 | * the session_id_context is used to ensure sessions are only reused in | |
1014 | * the appropriate context | |
1015 | */ | |
ec60ccc1 | 1016 | size_t sid_ctx_length; |
b6ba4014 MC |
1017 | unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH]; |
1018 | /* This can also be in the session once a session is established */ | |
1019 | SSL_SESSION *session; | |
1020 | /* Default generate session ID callback. */ | |
1021 | GEN_SESSION_CB generate_session_id; | |
1022 | /* Used in SSL3 */ | |
1023 | /* | |
1024 | * 0 don't care about verify failure. | |
1025 | * 1 fail if verify fails | |
1026 | */ | |
f7d53487 | 1027 | uint32_t verify_mode; |
b6ba4014 MC |
1028 | /* fail if callback returns 0 */ |
1029 | int (*verify_callback) (int ok, X509_STORE_CTX *ctx); | |
1030 | /* optional informational callback */ | |
1031 | void (*info_callback) (const SSL *ssl, int type, int val); | |
1032 | /* error bytes to be written */ | |
1033 | int error; | |
1034 | /* actual code */ | |
1035 | int error_code; | |
a230b26e | 1036 | # ifndef OPENSSL_NO_PSK |
8cbfcc70 RS |
1037 | SSL_psk_client_cb_func psk_client_callback; |
1038 | SSL_psk_server_cb_func psk_server_callback; | |
a230b26e | 1039 | # endif |
b6ba4014 | 1040 | SSL_CTX *ctx; |
696178ed DSH |
1041 | /* Verified chain of peer */ |
1042 | STACK_OF(X509) *verified_chain; | |
b6ba4014 | 1043 | long verify_result; |
696178ed | 1044 | /* extra application data */ |
b6ba4014 MC |
1045 | CRYPTO_EX_DATA ex_data; |
1046 | /* for server side, keep the list of CA_dn we can use */ | |
1047 | STACK_OF(X509_NAME) *client_CA; | |
2f545ae4 | 1048 | CRYPTO_REF_COUNT references; |
b6ba4014 | 1049 | /* protocol behaviour */ |
f7d53487 | 1050 | uint32_t options; |
b6ba4014 | 1051 | /* API behaviour */ |
f7d53487 | 1052 | uint32_t mode; |
7946ab33 KR |
1053 | int min_proto_version; |
1054 | int max_proto_version; | |
12472b45 | 1055 | size_t max_cert_list; |
b6ba4014 | 1056 | int first_packet; |
7acb8b64 MC |
1057 | /* |
1058 | * What was passed in ClientHello.legacy_version. Used for RSA pre-master | |
1059 | * secret and SSLv3/TLS (<=1.2) rollback check | |
1060 | */ | |
b6ba4014 | 1061 | int client_version; |
d102d9df MC |
1062 | /* |
1063 | * If we're using more than one pipeline how should we divide the data | |
1064 | * up between the pipes? | |
1065 | */ | |
7ee8627f | 1066 | size_t split_send_fragment; |
d102d9df MC |
1067 | /* |
1068 | * Maximum amount of data to send in one fragment. actual record size can | |
1069 | * be more than this due to padding and MAC overheads. | |
1070 | */ | |
7ee8627f | 1071 | size_t max_send_fragment; |
d102d9df | 1072 | /* Up to how many pipelines should we use? If 0 then 1 is assumed */ |
7ee8627f | 1073 | size_t max_pipelines; |
aff8c126 RS |
1074 | |
1075 | struct { | |
1076 | /* TLS extension debug callback */ | |
1ed327f7 RS |
1077 | void (*debug_cb)(SSL *s, int client_server, int type, |
1078 | const unsigned char *data, int len, void *arg); | |
aff8c126 RS |
1079 | void *debug_arg; |
1080 | char *hostname; | |
1081 | /* certificate status request info */ | |
1082 | /* Status type or -1 if no status type */ | |
1083 | int status_type; | |
1084 | /* Raw extension data, if seen */ | |
1085 | unsigned char *scts; | |
1086 | /* Length of raw extension data, if seen */ | |
1087 | uint16_t scts_len; | |
1088 | /* Expect OCSP CertificateStatus message */ | |
1089 | int status_expected; | |
1090 | ||
1091 | struct { | |
1092 | /* OCSP status request only */ | |
1093 | STACK_OF(OCSP_RESPID) *ids; | |
1094 | X509_EXTENSIONS *exts; | |
1095 | /* OCSP response received or to be sent */ | |
1096 | unsigned char *resp; | |
1097 | size_t resp_len; | |
1098 | } ocsp; | |
1099 | ||
1100 | /* RFC4507 session ticket expected to be received or sent */ | |
1101 | int ticket_expected; | |
1102 | # ifndef OPENSSL_NO_EC | |
1103 | size_t ecpointformats_len; | |
1104 | /* our list */ | |
1105 | unsigned char *ecpointformats; | |
1106 | size_t supportedgroups_len; | |
1107 | /* our list */ | |
1108 | unsigned char *supportedgroups; | |
1109 | # endif /* OPENSSL_NO_EC */ | |
1110 | /* TLS Session Ticket extension override */ | |
1111 | TLS_SESSION_TICKET_EXT *session_ticket; | |
1112 | /* TLS Session Ticket extension callback */ | |
1113 | tls_session_ticket_ext_cb_fn session_ticket_cb; | |
1114 | void *session_ticket_cb_arg; | |
1115 | /* TLS pre-shared secret session resumption */ | |
1116 | tls_session_secret_cb_fn session_secret_cb; | |
1117 | void *session_secret_cb_arg; | |
1118 | /* | |
1119 | * For a client, this contains the list of supported protocols in wire | |
1120 | * format. | |
1121 | */ | |
1122 | unsigned char *alpn; | |
1123 | size_t alpn_len; | |
1124 | /* | |
1125 | * Next protocol negotiation. For the client, this is the protocol that | |
1126 | * we sent in NextProtocol and is set when handling ServerHello | |
1127 | * extensions. For a server, this is the client's selected_protocol from | |
1128 | * NextProtocol and is set when handling the NextProtocol message, before | |
1129 | * the Finished message. | |
1130 | */ | |
1131 | unsigned char *npn; | |
1132 | size_t npn_len; | |
b2f7e8c0 | 1133 | |
4086b42b | 1134 | /* The available PSK key exchange modes */ |
b2f7e8c0 | 1135 | int psk_kex_mode; |
28a31a0a MC |
1136 | |
1137 | /* Set to one if we have negotiated ETM */ | |
1138 | int use_etm; | |
aff8c126 RS |
1139 | } ext; |
1140 | ||
b6ba4014 MC |
1141 | /*- |
1142 | * no further mod of servername | |
1143 | * 0 : call the servername extension callback. | |
1144 | * 1 : prepare 2, allow last ack just after in server callback. | |
1145 | * 2 : don't call servername callback, no ack in server hello | |
1146 | */ | |
1147 | int servername_done; | |
a230b26e | 1148 | # ifndef OPENSSL_NO_CT |
ed29e82a | 1149 | /* |
a230b26e EK |
1150 | * Validates that the SCTs (Signed Certificate Timestamps) are sufficient. |
1151 | * If they are not, the connection should be aborted. | |
1152 | */ | |
43341433 | 1153 | ssl_ct_validation_cb ct_validation_callback; |
48722ff5 | 1154 | /* User-supplied argument that is passed to the ct_validation_callback */ |
ed29e82a RP |
1155 | void *ct_validation_callback_arg; |
1156 | /* | |
1157 | * Consolidated stack of SCTs from all sources. | |
1158 | * Lazily populated by CT_get_peer_scts(SSL*) | |
1159 | */ | |
1160 | STACK_OF(SCT) *scts; | |
ed29e82a RP |
1161 | /* Have we attempted to find/parse SCTs yet? */ |
1162 | int scts_parsed; | |
a230b26e | 1163 | # endif |
222da979 | 1164 | SSL_CTX *session_ctx; /* initial ctx, used to store sessions */ |
b6ba4014 MC |
1165 | /* What we'll do */ |
1166 | STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles; | |
1167 | /* What's been chosen */ | |
1168 | SRTP_PROTECTION_PROFILE *srtp_profile; | |
b6ba4014 MC |
1169 | /*- |
1170 | * 1 if we are renegotiating. | |
1171 | * 2 if we are a server and are inside a handshake | |
1172 | * (i.e. not just sending a HelloRequest) | |
1173 | */ | |
1174 | int renegotiate; | |
44c04a2e MC |
1175 | /* If sending a KeyUpdate is pending */ |
1176 | SSL_KEY_UPDATE key_update; | |
a230b26e | 1177 | # ifndef OPENSSL_NO_SRP |
b6ba4014 MC |
1178 | /* ctx for SRP authentication */ |
1179 | SRP_CTX srp_ctx; | |
a230b26e | 1180 | # endif |
b6ba4014 MC |
1181 | /* |
1182 | * Callback for disabling session caching and ticket support on a session | |
1183 | * basis, depending on the chosen cipher. | |
1184 | */ | |
1185 | int (*not_resumable_session_cb) (SSL *ssl, int is_forward_secure); | |
28d59af8 | 1186 | RECORD_LAYER rlayer; |
a974e64a MC |
1187 | /* Default password callback. */ |
1188 | pem_password_cb *default_passwd_callback; | |
a974e64a MC |
1189 | /* Default password callback user data. */ |
1190 | void *default_passwd_callback_userdata; | |
07bbc92c MC |
1191 | /* Async Job info */ |
1192 | ASYNC_JOB *job; | |
ff75a257 | 1193 | ASYNC_WAIT_CTX *waitctx; |
7ee8627f | 1194 | size_t asyncrw; |
eda75751 | 1195 | |
16203f7b | 1196 | CRYPTO_RWLOCK *lock; |
b6ba4014 MC |
1197 | }; |
1198 | ||
f742cda8 DSH |
1199 | /* |
1200 | * Structure containing table entry of values associated with the signature | |
1201 | * algorithms (signature scheme) extension | |
1202 | */ | |
1203 | typedef struct sigalg_lookup_st { | |
1204 | /* TLS 1.3 signature scheme name */ | |
1205 | const char *name; | |
1206 | /* Raw value used in extension */ | |
1207 | uint16_t sigalg; | |
1208 | /* NID of hash algorithm */ | |
1209 | int hash; | |
17ae384e DSH |
1210 | /* Index of hash algorithm */ |
1211 | int hash_idx; | |
f742cda8 DSH |
1212 | /* NID of signature algorithm */ |
1213 | int sig; | |
17ae384e DSH |
1214 | /* Index of signature algorithm */ |
1215 | int sig_idx; | |
f742cda8 DSH |
1216 | /* Combined hash and signature NID, if any */ |
1217 | int sigandhash; | |
1218 | /* Required public key curve (ECDSA only) */ | |
1219 | int curve; | |
1220 | } SIGALG_LOOKUP; | |
1221 | ||
a497cf25 DSH |
1222 | typedef struct cert_pkey_st CERT_PKEY; |
1223 | ||
b6ba4014 MC |
1224 | typedef struct ssl3_state_st { |
1225 | long flags; | |
b43d1cbb | 1226 | size_t read_mac_secret_size; |
b6ba4014 | 1227 | unsigned char read_mac_secret[EVP_MAX_MD_SIZE]; |
b43d1cbb | 1228 | size_t write_mac_secret_size; |
b6ba4014 MC |
1229 | unsigned char write_mac_secret[EVP_MAX_MD_SIZE]; |
1230 | unsigned char server_random[SSL3_RANDOM_SIZE]; | |
1231 | unsigned char client_random[SSL3_RANDOM_SIZE]; | |
1232 | /* flags for countermeasure against known-IV weakness */ | |
1233 | int need_empty_fragments; | |
1234 | int empty_fragment_done; | |
b6ba4014 MC |
1235 | /* used during startup, digest all incoming/outgoing packets */ |
1236 | BIO *handshake_buffer; | |
1237 | /* | |
28ba2541 DSH |
1238 | * When handshake digest is determined, buffer is hashed and |
1239 | * freed and MD_CTX for the required digest is stored here. | |
b6ba4014 | 1240 | */ |
28ba2541 | 1241 | EVP_MD_CTX *handshake_dgst; |
b6ba4014 MC |
1242 | /* |
1243 | * Set whenever an expected ChangeCipherSpec message is processed. | |
1244 | * Unset when the peer's Finished message is received. | |
1245 | * Unexpected ChangeCipherSpec messages trigger a fatal alert. | |
1246 | */ | |
1247 | int change_cipher_spec; | |
1248 | int warn_alert; | |
1249 | int fatal_alert; | |
1250 | /* | |
1251 | * we allow one fatal and one warning alert to be outstanding, send close | |
1252 | * alert via the warning alert | |
1253 | */ | |
1254 | int alert_dispatch; | |
1255 | unsigned char send_alert[2]; | |
1256 | /* | |
1257 | * This flag is set when we should renegotiate ASAP, basically when there | |
1258 | * is no more data in the read or write buffers | |
1259 | */ | |
1260 | int renegotiate; | |
1261 | int total_renegotiations; | |
1262 | int num_renegotiations; | |
1263 | int in_read_app_data; | |
1264 | struct { | |
b6ba4014 MC |
1265 | /* actually only need to be 16+20 for SSLv3 and 12 for TLS */ |
1266 | unsigned char finish_md[EVP_MAX_MD_SIZE * 2]; | |
12472b45 | 1267 | size_t finish_md_len; |
b6ba4014 | 1268 | unsigned char peer_finish_md[EVP_MAX_MD_SIZE * 2]; |
12472b45 | 1269 | size_t peer_finish_md_len; |
eda75751 | 1270 | size_t message_size; |
b6ba4014 MC |
1271 | int message_type; |
1272 | /* used to hold the new cipher we are going to use */ | |
1273 | const SSL_CIPHER *new_cipher; | |
a230b26e EK |
1274 | # if !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_DH) |
1275 | EVP_PKEY *pkey; /* holds short lived DH/ECDH key */ | |
1276 | # endif | |
b6ba4014 MC |
1277 | /* used for certificate requests */ |
1278 | int cert_req; | |
1279 | int ctype_num; | |
1280 | char ctype[SSL3_CT_NUMBER]; | |
1281 | STACK_OF(X509_NAME) *ca_names; | |
8c1a5343 | 1282 | size_t key_block_length; |
b6ba4014 MC |
1283 | unsigned char *key_block; |
1284 | const EVP_CIPHER *new_sym_enc; | |
1285 | const EVP_MD *new_hash; | |
1286 | int new_mac_pkey_type; | |
b43d1cbb | 1287 | size_t new_mac_secret_size; |
a230b26e | 1288 | # ifndef OPENSSL_NO_COMP |
b6ba4014 | 1289 | const SSL_COMP *new_compression; |
a230b26e | 1290 | # else |
b6ba4014 | 1291 | char *new_compression; |
a230b26e | 1292 | # endif |
b6ba4014 | 1293 | int cert_request; |
76106e60 DSH |
1294 | /* Raw values of the cipher list from a client */ |
1295 | unsigned char *ciphers_raw; | |
1296 | size_t ciphers_rawlen; | |
1297 | /* Temporary storage for premaster secret */ | |
1298 | unsigned char *pms; | |
1299 | size_t pmslen; | |
a230b26e | 1300 | # ifndef OPENSSL_NO_PSK |
64651d39 DSH |
1301 | /* Temporary storage for PSK key */ |
1302 | unsigned char *psk; | |
1303 | size_t psklen; | |
a230b26e | 1304 | # endif |
93a77f9e DSH |
1305 | /* Signature algorithm we actually use */ |
1306 | const SIGALG_LOOKUP *sigalg; | |
a497cf25 DSH |
1307 | /* Pointer to certificate we use */ |
1308 | CERT_PKEY *cert; | |
76106e60 DSH |
1309 | /* |
1310 | * signature algorithms peer reports: e.g. supported signature | |
1311 | * algorithms extension for server or as part of a certificate | |
1312 | * request for client. | |
1313 | */ | |
98c792d1 | 1314 | uint16_t *peer_sigalgs; |
76106e60 DSH |
1315 | /* Size of above array */ |
1316 | size_t peer_sigalgslen; | |
f742cda8 DSH |
1317 | /* Sigalg peer actualy uses */ |
1318 | const SIGALG_LOOKUP *peer_sigalg; | |
d376e57d DSH |
1319 | /* Array of digests used for signing */ |
1320 | const EVP_MD *md[SSL_PKEY_NUM]; | |
6383d316 DSH |
1321 | /* |
1322 | * Set if corresponding CERT_PKEY can be used with current | |
1323 | * SSL session: e.g. appropriate curve, signature algorithms etc. | |
1324 | * If zero it can't be used at all. | |
1325 | */ | |
f7d53487 | 1326 | uint32_t valid_flags[SSL_PKEY_NUM]; |
4d69f9e6 DSH |
1327 | /* |
1328 | * For servers the following masks are for the key and auth algorithms | |
1329 | * that are supported by the certs below. For clients they are masks of | |
1330 | * *disabled* algorithms based on the current session. | |
1331 | */ | |
90d9e49a DSH |
1332 | uint32_t mask_k; |
1333 | uint32_t mask_a; | |
3eb2aff4 KR |
1334 | /* |
1335 | * The following are used by the client to see if a cipher is allowed or | |
1336 | * not. It contains the minimum and maximum version the client's using | |
1337 | * based on what it knows so far. | |
1338 | */ | |
1339 | int min_ver; | |
1340 | int max_ver; | |
b6ba4014 MC |
1341 | } tmp; |
1342 | ||
1343 | /* Connection binding to prevent renegotiation attacks */ | |
1344 | unsigned char previous_client_finished[EVP_MAX_MD_SIZE]; | |
12472b45 | 1345 | size_t previous_client_finished_len; |
b6ba4014 | 1346 | unsigned char previous_server_finished[EVP_MAX_MD_SIZE]; |
12472b45 | 1347 | size_t previous_server_finished_len; |
b6ba4014 MC |
1348 | int send_connection_binding; /* TODOEKR */ |
1349 | ||
a230b26e | 1350 | # ifndef OPENSSL_NO_NEXTPROTONEG |
b6ba4014 MC |
1351 | /* |
1352 | * Set if we saw the Next Protocol Negotiation extension from our peer. | |
1353 | */ | |
aff8c126 | 1354 | int npn_seen; |
a230b26e | 1355 | # endif |
b6ba4014 | 1356 | |
b6ba4014 MC |
1357 | /* |
1358 | * ALPN information (we are in the process of transitioning from NPN to | |
1359 | * ALPN.) | |
1360 | */ | |
1361 | ||
1362 | /* | |
1363 | * In a server these point to the selected ALPN protocol after the | |
1364 | * ClientHello has been processed. In a client these contain the protocol | |
1365 | * that the server selected once the ServerHello has been processed. | |
1366 | */ | |
1367 | unsigned char *alpn_selected; | |
817cd0d5 TS |
1368 | size_t alpn_selected_len; |
1369 | /* used by the server to know what options were proposed */ | |
1370 | unsigned char *alpn_proposed; | |
1371 | size_t alpn_proposed_len; | |
1372 | /* used by the client to know if it actually sent alpn */ | |
1373 | int alpn_sent; | |
b6ba4014 | 1374 | |
a230b26e | 1375 | # ifndef OPENSSL_NO_EC |
b6ba4014 MC |
1376 | /* |
1377 | * This is set to true if we believe that this is a version of Safari | |
1378 | * running on OS X 10.6 or newer. We wish to know this because Safari on | |
1379 | * 10.8 .. 10.8.3 has broken ECDHE-ECDSA support. | |
1380 | */ | |
1381 | char is_probably_safari; | |
a230b26e | 1382 | # endif /* !OPENSSL_NO_EC */ |
8d92c1f8 DSH |
1383 | |
1384 | /* For clients: peer temporary key */ | |
fb79abe3 | 1385 | # if !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_DH) |
bcec3358 MC |
1386 | /* The group_id for the DH/ECDH key */ |
1387 | unsigned int group_id; | |
61dd9f7a | 1388 | EVP_PKEY *peer_tmp; |
8d92c1f8 DSH |
1389 | # endif |
1390 | ||
b6ba4014 MC |
1391 | } SSL3_STATE; |
1392 | ||
b6ba4014 MC |
1393 | /* DTLS structures */ |
1394 | ||
a230b26e EK |
1395 | # ifndef OPENSSL_NO_SCTP |
1396 | # define DTLS1_SCTP_AUTH_LABEL "EXPORTER_DTLS_OVER_SCTP" | |
1397 | # endif | |
b6ba4014 MC |
1398 | |
1399 | /* Max MTU overhead we know about so far is 40 for IPv6 + 8 for UDP */ | |
a230b26e | 1400 | # define DTLS1_MAX_MTU_OVERHEAD 48 |
b6ba4014 | 1401 | |
e3d0dae7 MC |
1402 | /* |
1403 | * Flag used in message reuse to indicate the buffer contains the record | |
1404 | * header as well as the the handshake message header. | |
1405 | */ | |
a230b26e | 1406 | # define DTLS1_SKIP_RECORD_HEADER 2 |
e3d0dae7 | 1407 | |
b6ba4014 MC |
1408 | struct dtls1_retransmit_state { |
1409 | EVP_CIPHER_CTX *enc_write_ctx; /* cryptographic state */ | |
1410 | EVP_MD_CTX *write_hash; /* used for mac generation */ | |
b6ba4014 | 1411 | COMP_CTX *compress; /* compression */ |
b6ba4014 MC |
1412 | SSL_SESSION *session; |
1413 | unsigned short epoch; | |
1414 | }; | |
1415 | ||
1416 | struct hm_header_st { | |
1417 | unsigned char type; | |
7ee8627f | 1418 | size_t msg_len; |
b6ba4014 | 1419 | unsigned short seq; |
7ee8627f MC |
1420 | size_t frag_off; |
1421 | size_t frag_len; | |
b6ba4014 MC |
1422 | unsigned int is_ccs; |
1423 | struct dtls1_retransmit_state saved_retransmit_state; | |
1424 | }; | |
1425 | ||
b6ba4014 MC |
1426 | struct dtls1_timeout_st { |
1427 | /* Number of read timeouts so far */ | |
1428 | unsigned int read_timeouts; | |
1429 | /* Number of write timeouts so far */ | |
1430 | unsigned int write_timeouts; | |
1431 | /* Number of alerts received so far */ | |
1432 | unsigned int num_alerts; | |
1433 | }; | |
1434 | ||
b6ba4014 MC |
1435 | typedef struct hm_fragment_st { |
1436 | struct hm_header_st msg_header; | |
1437 | unsigned char *fragment; | |
1438 | unsigned char *reassembly; | |
1439 | } hm_fragment; | |
1440 | ||
cf2cede4 RS |
1441 | typedef struct pqueue_st pqueue; |
1442 | typedef struct pitem_st pitem; | |
1443 | ||
1444 | struct pitem_st { | |
1445 | unsigned char priority[8]; /* 64-bit value in big-endian encoding */ | |
1446 | void *data; | |
1447 | pitem *next; | |
1448 | }; | |
1449 | ||
1450 | typedef struct pitem_st *piterator; | |
1451 | ||
1452 | pitem *pitem_new(unsigned char *prio64be, void *data); | |
1453 | void pitem_free(pitem *item); | |
a230b26e | 1454 | pqueue *pqueue_new(void); |
cf2cede4 RS |
1455 | void pqueue_free(pqueue *pq); |
1456 | pitem *pqueue_insert(pqueue *pq, pitem *item); | |
1457 | pitem *pqueue_peek(pqueue *pq); | |
1458 | pitem *pqueue_pop(pqueue *pq); | |
1459 | pitem *pqueue_find(pqueue *pq, unsigned char *prio64be); | |
1460 | pitem *pqueue_iterator(pqueue *pq); | |
1461 | pitem *pqueue_next(piterator *iter); | |
8b0e934a | 1462 | size_t pqueue_size(pqueue *pq); |
cf2cede4 | 1463 | |
b6ba4014 | 1464 | typedef struct dtls1_state_st { |
b6ba4014 | 1465 | unsigned char cookie[DTLS1_COOKIE_LENGTH]; |
cb150cbc | 1466 | size_t cookie_len; |
e27f234a | 1467 | unsigned int cookie_verified; |
b6ba4014 MC |
1468 | /* handshake message numbers */ |
1469 | unsigned short handshake_write_seq; | |
1470 | unsigned short next_handshake_write_seq; | |
1471 | unsigned short handshake_read_seq; | |
b6ba4014 | 1472 | /* Buffered handshake messages */ |
cf2cede4 | 1473 | pqueue *buffered_messages; |
b6ba4014 | 1474 | /* Buffered (sent) handshake records */ |
cf2cede4 | 1475 | pqueue *sent_messages; |
7ee8627f MC |
1476 | size_t link_mtu; /* max on-the-wire DTLS packet size */ |
1477 | size_t mtu; /* max DTLS packet size */ | |
b6ba4014 MC |
1478 | struct hm_header_st w_msg_hdr; |
1479 | struct hm_header_st r_msg_hdr; | |
1480 | struct dtls1_timeout_st timeout; | |
1481 | /* | |
e72040c1 | 1482 | * Indicates when the last handshake msg sent will timeout |
b6ba4014 MC |
1483 | */ |
1484 | struct timeval next_timeout; | |
1485 | /* Timeout duration */ | |
1486 | unsigned short timeout_duration; | |
b6ba4014 | 1487 | unsigned int retransmitting; |
a230b26e | 1488 | # ifndef OPENSSL_NO_SCTP |
b6ba4014 | 1489 | int shutdown_received; |
a230b26e | 1490 | # endif |
b6ba4014 MC |
1491 | } DTLS1_STATE; |
1492 | ||
0f113f3e MC |
1493 | # ifndef OPENSSL_NO_EC |
1494 | /* | |
1495 | * From ECC-TLS draft, used in encoding the curve type in ECParameters | |
ea262260 | 1496 | */ |
0f113f3e MC |
1497 | # define EXPLICIT_PRIME_CURVE_TYPE 1 |
1498 | # define EXPLICIT_CHAR2_CURVE_TYPE 2 | |
1499 | # define NAMED_CURVE_TYPE 3 | |
1500 | # endif /* OPENSSL_NO_EC */ | |
1501 | ||
a497cf25 | 1502 | struct cert_pkey_st { |
0f113f3e MC |
1503 | X509 *x509; |
1504 | EVP_PKEY *privatekey; | |
0f113f3e MC |
1505 | /* Chain for this certificate */ |
1506 | STACK_OF(X509) *chain; | |
50e735f9 MC |
1507 | /*- |
1508 | * serverinfo data for this certificate. The data is in TLS Extension | |
1509 | * wire format, specifically it's a series of records like: | |
1510 | * uint16_t extension_type; // (RFC 5246, 7.4.1.4, Extension) | |
1511 | * uint16_t length; | |
1512 | * uint8_t data[length]; | |
1513 | */ | |
0f113f3e MC |
1514 | unsigned char *serverinfo; |
1515 | size_t serverinfo_length; | |
a497cf25 | 1516 | }; |
2ea80354 | 1517 | /* Retrieve Suite B flags */ |
0f113f3e | 1518 | # define tls1_suiteb(s) (s->cert->cert_flags & SSL_CERT_FLAG_SUITEB_128_LOS) |
2ea80354 | 1519 | /* Uses to check strict mode: suite B modes are always strict */ |
0f113f3e MC |
1520 | # define SSL_CERT_FLAGS_CHECK_TLS_STRICT \ |
1521 | (SSL_CERT_FLAG_SUITEB_128_LOS|SSL_CERT_FLAG_TLS_STRICT) | |
d02b48c6 | 1522 | |
b83294fe | 1523 | typedef struct { |
0f113f3e MC |
1524 | unsigned short ext_type; |
1525 | /* | |
1526 | * Per-connection flags relating to this extension type: not used if | |
1527 | * part of an SSL_CTX structure. | |
1528 | */ | |
f7d53487 | 1529 | uint32_t ext_flags; |
0f113f3e MC |
1530 | custom_ext_add_cb add_cb; |
1531 | custom_ext_free_cb free_cb; | |
1532 | void *add_arg; | |
1533 | custom_ext_parse_cb parse_cb; | |
1534 | void *parse_arg; | |
ecf4d660 | 1535 | } custom_ext_method; |
b83294fe | 1536 | |
28ea0a0c DSH |
1537 | /* ext_flags values */ |
1538 | ||
0f113f3e MC |
1539 | /* |
1540 | * Indicates an extension has been received. Used to check for unsolicited or | |
1541 | * duplicate extensions. | |
28ea0a0c | 1542 | */ |
0f113f3e MC |
1543 | # define SSL_EXT_FLAG_RECEIVED 0x1 |
1544 | /* | |
1545 | * Indicates an extension has been sent: used to enable sending of | |
1546 | * corresponding ServerHello extension. | |
28ea0a0c | 1547 | */ |
0f113f3e | 1548 | # define SSL_EXT_FLAG_SENT 0x2 |
28ea0a0c | 1549 | |
b83294fe | 1550 | typedef struct { |
0f113f3e MC |
1551 | custom_ext_method *meths; |
1552 | size_t meths_count; | |
ecf4d660 | 1553 | } custom_ext_methods; |
b83294fe | 1554 | |
0f113f3e MC |
1555 | typedef struct cert_st { |
1556 | /* Current active set */ | |
1557 | /* | |
1558 | * ALWAYS points to an element of the pkeys array | |
1559 | * Probably it would make more sense to store | |
1560 | * an index, not a pointer. | |
1561 | */ | |
1562 | CERT_PKEY *key; | |
0f113f3e | 1563 | # ifndef OPENSSL_NO_DH |
e2b420fd | 1564 | EVP_PKEY *dh_tmp; |
0f113f3e MC |
1565 | DH *(*dh_tmp_cb) (SSL *ssl, int is_export, int keysize); |
1566 | int dh_tmp_auto; | |
0f113f3e MC |
1567 | # endif |
1568 | /* Flags related to certificates */ | |
f7d53487 | 1569 | uint32_t cert_flags; |
0f113f3e MC |
1570 | CERT_PKEY pkeys[SSL_PKEY_NUM]; |
1571 | /* | |
1572 | * Certificate types (received or sent) in certificate request message. | |
1573 | * On receive this is only set if number of certificate types exceeds | |
1574 | * SSL3_CT_NUMBER. | |
1575 | */ | |
1576 | unsigned char *ctypes; | |
1577 | size_t ctype_num; | |
0f113f3e | 1578 | /* |
60250017 | 1579 | * supported signature algorithms. When set on a client this is sent in |
0f113f3e MC |
1580 | * the client hello as the supported signature algorithms extension. For |
1581 | * servers it represents the signature algorithms we are willing to use. | |
1582 | */ | |
98c792d1 | 1583 | uint16_t *conf_sigalgs; |
0f113f3e MC |
1584 | /* Size of above array */ |
1585 | size_t conf_sigalgslen; | |
1586 | /* | |
1587 | * Client authentication signature algorithms, if not set then uses | |
1588 | * conf_sigalgs. On servers these will be the signature algorithms sent | |
48722ff5 F |
1589 | * to the client in a certificate request for TLS 1.2. On a client this |
1590 | * represents the signature algorithms we are willing to use for client | |
0f113f3e MC |
1591 | * authentication. |
1592 | */ | |
98c792d1 | 1593 | uint16_t *client_sigalgs; |
0f113f3e MC |
1594 | /* Size of above array */ |
1595 | size_t client_sigalgslen; | |
1596 | /* | |
1597 | * Signature algorithms shared by client and server: cached because these | |
1598 | * are used most often. | |
1599 | */ | |
4d43ee28 | 1600 | const SIGALG_LOOKUP **shared_sigalgs; |
0f113f3e MC |
1601 | size_t shared_sigalgslen; |
1602 | /* | |
1603 | * Certificate setup callback: if set is called whenever a certificate | |
1604 | * may be required (client or server). the callback can then examine any | |
1605 | * appropriate parameters and setup any certificates required. This | |
1606 | * allows advanced applications to select certificates on the fly: for | |
1607 | * example based on supported signature algorithms or curves. | |
1608 | */ | |
1609 | int (*cert_cb) (SSL *ssl, void *arg); | |
1610 | void *cert_cb_arg; | |
1611 | /* | |
1612 | * Optional X509_STORE for chain building or certificate validation If | |
1613 | * NULL the parent SSL_CTX store is used instead. | |
1614 | */ | |
1615 | X509_STORE *chain_store; | |
1616 | X509_STORE *verify_store; | |
0f113f3e MC |
1617 | /* Custom extension methods for server and client */ |
1618 | custom_ext_methods cli_ext; | |
1619 | custom_ext_methods srv_ext; | |
1620 | /* Security callback */ | |
e4646a89 | 1621 | int (*sec_cb) (const SSL *s, const SSL_CTX *ctx, int op, int bits, int nid, |
0f113f3e MC |
1622 | void *other, void *ex); |
1623 | /* Security level */ | |
1624 | int sec_level; | |
1625 | void *sec_ex; | |
a230b26e | 1626 | # ifndef OPENSSL_NO_PSK |
df6da24b DSH |
1627 | /* If not NULL psk identity hint to use for servers */ |
1628 | char *psk_identity_hint; | |
a230b26e | 1629 | # endif |
2f545ae4 | 1630 | CRYPTO_REF_COUNT references; /* >1 only if SSL_copy_session_id is used */ |
16203f7b | 1631 | CRYPTO_RWLOCK *lock; |
0f113f3e MC |
1632 | } CERT; |
1633 | ||
0f113f3e | 1634 | # define FP_ICC (int (*)(const void *,const void *)) |
0f113f3e MC |
1635 | |
1636 | /* | |
1637 | * This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff It is a bit | |
1638 | * of a mess of functions, but hell, think of it as an opaque structure :-) | |
1639 | */ | |
1640 | typedef struct ssl3_enc_method { | |
72716e79 | 1641 | int (*enc) (SSL *, SSL3_RECORD *, size_t, int); |
d102d9df | 1642 | int (*mac) (SSL *, SSL3_RECORD *, unsigned char *, int); |
0f113f3e MC |
1643 | int (*setup_key_block) (SSL *); |
1644 | int (*generate_master_secret) (SSL *, unsigned char *, unsigned char *, | |
8c1a5343 | 1645 | size_t, size_t *); |
0f113f3e | 1646 | int (*change_cipher_state) (SSL *, int); |
6db6bc5a | 1647 | size_t (*final_finish_mac) (SSL *, const char *, size_t, unsigned char *); |
0f113f3e | 1648 | const char *client_finished_label; |
8b0e934a | 1649 | size_t client_finished_label_len; |
0f113f3e | 1650 | const char *server_finished_label; |
8b0e934a | 1651 | size_t server_finished_label_len; |
0f113f3e MC |
1652 | int (*alert_value) (int); |
1653 | int (*export_keying_material) (SSL *, unsigned char *, size_t, | |
1654 | const char *, size_t, | |
1655 | const unsigned char *, size_t, | |
1656 | int use_context); | |
1657 | /* Various flags indicating protocol version requirements */ | |
f7d53487 | 1658 | uint32_t enc_flags; |
0f113f3e | 1659 | /* Set the handshake header */ |
a29fa98c | 1660 | int (*set_handshake_header) (SSL *s, WPACKET *pkt, int type); |
2c7b4dbc | 1661 | /* Close construction of the handshake message */ |
4a01c59f | 1662 | int (*close_construct_packet) (SSL *s, WPACKET *pkt, int htype); |
0f113f3e MC |
1663 | /* Write out handshake message */ |
1664 | int (*do_write) (SSL *s); | |
1665 | } SSL3_ENC_METHOD; | |
1666 | ||
a29fa98c MC |
1667 | # define ssl_set_handshake_header(s, pkt, htype) \ |
1668 | s->method->ssl3_enc->set_handshake_header((s), (pkt), (htype)) | |
4a01c59f MC |
1669 | # define ssl_close_construct_packet(s, pkt, htype) \ |
1670 | s->method->ssl3_enc->close_construct_packet((s), (pkt), (htype)) | |
0f113f3e | 1671 | # define ssl_do_write(s) s->method->ssl3_enc->do_write(s) |
173e72e6 DSH |
1672 | |
1673 | /* Values for enc_flags */ | |
1674 | ||
1675 | /* Uses explicit IV for CBC mode */ | |
0f113f3e | 1676 | # define SSL_ENC_FLAG_EXPLICIT_IV 0x1 |
173e72e6 | 1677 | /* Uses signature algorithms extension */ |
0f113f3e | 1678 | # define SSL_ENC_FLAG_SIGALGS 0x2 |
cbd64894 | 1679 | /* Uses SHA256 default PRF */ |
0f113f3e | 1680 | # define SSL_ENC_FLAG_SHA256_PRF 0x4 |
173e72e6 | 1681 | /* Is DTLS */ |
0f113f3e MC |
1682 | # define SSL_ENC_FLAG_DTLS 0x8 |
1683 | /* | |
1684 | * Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2: may | |
1685 | * apply to others in future. | |
4221c0dd | 1686 | */ |
0f113f3e | 1687 | # define SSL_ENC_FLAG_TLS1_2_CIPHERS 0x10 |
173e72e6 | 1688 | |
0f113f3e | 1689 | # ifndef OPENSSL_NO_COMP |
651d0aff | 1690 | /* Used for holding the relevant compression methods loaded into SSL_CTX */ |
0f113f3e MC |
1691 | typedef struct ssl3_comp_st { |
1692 | int comp_id; /* The identifier byte for this compression | |
1693 | * type */ | |
1694 | char *name; /* Text name used for the compression type */ | |
1695 | COMP_METHOD *method; /* The method :-) */ | |
1696 | } SSL3_COMP; | |
1697 | # endif | |
dfeab068 | 1698 | |
6f8db4e6 | 1699 | typedef struct raw_extension_st { |
6b473aca | 1700 | /* Raw packet data for the extension */ |
1ab3836b | 1701 | PACKET data; |
70af3d8e MC |
1702 | /* Set to 1 if the extension is present or 0 otherwise */ |
1703 | int present; | |
6b473aca MC |
1704 | /* Set to 1 if we have already parsed the extension or 0 otherwise */ |
1705 | int parsed; | |
ecc2f938 | 1706 | /* The type of this extension, i.e. a TLSEXT_TYPE_* value */ |
70af3d8e | 1707 | unsigned int type; |
1ab3836b MC |
1708 | } RAW_EXTENSION; |
1709 | ||
70af3d8e MC |
1710 | /* |
1711 | * Extension index values NOTE: Any updates to these defines should be mirrored | |
1712 | * with equivalent updates to ext_defs in extensions.c | |
1713 | */ | |
d270de32 MC |
1714 | typedef enum tlsext_index_en { |
1715 | TLSEXT_IDX_renegotiate, | |
1716 | TLSEXT_IDX_server_name, | |
1717 | TLSEXT_IDX_srp, | |
1718 | TLSEXT_IDX_ec_point_formats, | |
1719 | TLSEXT_IDX_supported_groups, | |
1720 | TLSEXT_IDX_session_ticket, | |
1721 | TLSEXT_IDX_signature_algorithms, | |
1722 | TLSEXT_IDX_status_request, | |
1723 | TLSEXT_IDX_next_proto_neg, | |
1724 | TLSEXT_IDX_application_layer_protocol_negotiation, | |
1725 | TLSEXT_IDX_use_srtp, | |
1726 | TLSEXT_IDX_encrypt_then_mac, | |
1727 | TLSEXT_IDX_signed_certificate_timestamp, | |
1728 | TLSEXT_IDX_extended_master_secret, | |
1729 | TLSEXT_IDX_supported_versions, | |
b2f7e8c0 | 1730 | TLSEXT_IDX_psk_kex_modes, |
d270de32 MC |
1731 | TLSEXT_IDX_key_share, |
1732 | TLSEXT_IDX_cryptopro_bug, | |
ec15acb6 MC |
1733 | TLSEXT_IDX_padding, |
1734 | TLSEXT_IDX_psk | |
d270de32 | 1735 | } TLSEXT_INDEX; |
70af3d8e | 1736 | |
cbb09544 MC |
1737 | /* |
1738 | * Dummy status type for the status_type extension. Indicates no status type | |
1739 | * set | |
1740 | */ | |
1741 | #define TLSEXT_STATUSTYPE_nothing -1 | |
1742 | ||
703bcee0 MC |
1743 | /* Sigalgs values */ |
1744 | #define TLSEXT_SIGALG_ecdsa_secp256r1_sha256 0x0403 | |
1745 | #define TLSEXT_SIGALG_ecdsa_secp384r1_sha384 0x0503 | |
1746 | #define TLSEXT_SIGALG_ecdsa_secp521r1_sha512 0x0603 | |
1747 | #define TLSEXT_SIGALG_ecdsa_sha1 0x0203 | |
1748 | #define TLSEXT_SIGALG_rsa_pss_sha256 0x0804 | |
1749 | #define TLSEXT_SIGALG_rsa_pss_sha384 0x0805 | |
1750 | #define TLSEXT_SIGALG_rsa_pss_sha512 0x0806 | |
1751 | #define TLSEXT_SIGALG_rsa_pkcs1_sha256 0x0401 | |
1752 | #define TLSEXT_SIGALG_rsa_pkcs1_sha384 0x0501 | |
1753 | #define TLSEXT_SIGALG_rsa_pkcs1_sha512 0x0601 | |
1754 | #define TLSEXT_SIGALG_rsa_pkcs1_sha1 0x0201 | |
1755 | #define TLSEXT_SIGALG_dsa_sha256 0x0402 | |
1756 | #define TLSEXT_SIGALG_dsa_sha384 0x0502 | |
1757 | #define TLSEXT_SIGALG_dsa_sha512 0x0602 | |
1758 | #define TLSEXT_SIGALG_dsa_sha1 0x0202 | |
1759 | #define TLSEXT_SIGALG_gostr34102012_256_gostr34112012_256 0xeeee | |
1760 | #define TLSEXT_SIGALG_gostr34102012_512_gostr34112012_512 0xefef | |
1761 | #define TLSEXT_SIGALG_gostr34102001_gostr3411 0xeded | |
1762 | ||
b2f7e8c0 MC |
1763 | /* Known PSK key exchange modes */ |
1764 | #define TLSEXT_KEX_MODE_KE 0x00 | |
1765 | #define TLSEXT_KEX_MODE_KE_DHE 0x01 | |
1766 | ||
1767 | /* | |
1768 | * Internal representations of key exchange modes | |
1769 | */ | |
1770 | #define TLSEXT_KEX_MODE_FLAG_NONE 0 | |
1771 | #define TLSEXT_KEX_MODE_FLAG_KE 1 | |
1772 | #define TLSEXT_KEX_MODE_FLAG_KE_DHE 2 | |
1773 | ||
ec15acb6 MC |
1774 | /* An invalid index into the TLSv1.3 PSK identities */ |
1775 | #define TLSEXT_PSK_BAD_IDENTITY -1 | |
1776 | ||
f742cda8 DSH |
1777 | #define SSL_USE_PSS(s) (s->s3->tmp.peer_sigalg != NULL && \ |
1778 | s->s3->tmp.peer_sigalg->sig == EVP_PKEY_RSA_PSS) | |
fe3066ee | 1779 | |
703bcee0 MC |
1780 | /* A dummy signature value not valid for TLSv1.2 signature algs */ |
1781 | #define TLSEXT_signature_rsa_pss 0x0101 | |
1782 | ||
1783 | ||
1ab3836b MC |
1784 | #define MAX_COMPRESSIONS_SIZE 255 |
1785 | ||
1786 | typedef struct { | |
1787 | unsigned int isv2; | |
df7ce507 | 1788 | unsigned int legacy_version; |
1ab3836b MC |
1789 | unsigned char random[SSL3_RANDOM_SIZE]; |
1790 | size_t session_id_len; | |
1791 | unsigned char session_id[SSL_MAX_SSL_SESSION_ID_LENGTH]; | |
1792 | size_t dtls_cookie_len; | |
1793 | unsigned char dtls_cookie[DTLS1_COOKIE_LENGTH]; | |
1794 | PACKET ciphersuites; | |
1795 | size_t compressions_len; | |
1796 | unsigned char compressions[MAX_COMPRESSIONS_SIZE]; | |
1797 | PACKET extensions; | |
1ab3836b MC |
1798 | RAW_EXTENSION *pre_proc_exts; |
1799 | } CLIENTHELLO_MSG; | |
1800 | ||
3ed449e9 | 1801 | extern SSL3_ENC_METHOD ssl3_undef_enc_method; |
7d7d2cbc | 1802 | |
2b8fa1d5 KR |
1803 | __owur const SSL_METHOD *ssl_bad_method(int ver); |
1804 | __owur const SSL_METHOD *sslv3_method(void); | |
1805 | __owur const SSL_METHOD *sslv3_server_method(void); | |
1806 | __owur const SSL_METHOD *sslv3_client_method(void); | |
1807 | __owur const SSL_METHOD *tlsv1_method(void); | |
1808 | __owur const SSL_METHOD *tlsv1_server_method(void); | |
1809 | __owur const SSL_METHOD *tlsv1_client_method(void); | |
1810 | __owur const SSL_METHOD *tlsv1_1_method(void); | |
1811 | __owur const SSL_METHOD *tlsv1_1_server_method(void); | |
1812 | __owur const SSL_METHOD *tlsv1_1_client_method(void); | |
1813 | __owur const SSL_METHOD *tlsv1_2_method(void); | |
1814 | __owur const SSL_METHOD *tlsv1_2_server_method(void); | |
1815 | __owur const SSL_METHOD *tlsv1_2_client_method(void); | |
582a17d6 MC |
1816 | __owur const SSL_METHOD *tlsv1_3_method(void); |
1817 | __owur const SSL_METHOD *tlsv1_3_server_method(void); | |
1818 | __owur const SSL_METHOD *tlsv1_3_client_method(void); | |
2b8fa1d5 KR |
1819 | __owur const SSL_METHOD *dtlsv1_method(void); |
1820 | __owur const SSL_METHOD *dtlsv1_server_method(void); | |
1821 | __owur const SSL_METHOD *dtlsv1_client_method(void); | |
032924c4 | 1822 | __owur const SSL_METHOD *dtls_bad_ver_client_method(void); |
2b8fa1d5 KR |
1823 | __owur const SSL_METHOD *dtlsv1_2_method(void); |
1824 | __owur const SSL_METHOD *dtlsv1_2_server_method(void); | |
1825 | __owur const SSL_METHOD *dtlsv1_2_client_method(void); | |
d02b48c6 | 1826 | |
161e0a61 BL |
1827 | extern const SSL3_ENC_METHOD TLSv1_enc_data; |
1828 | extern const SSL3_ENC_METHOD TLSv1_1_enc_data; | |
1829 | extern const SSL3_ENC_METHOD TLSv1_2_enc_data; | |
582a17d6 | 1830 | extern const SSL3_ENC_METHOD TLSv1_3_enc_data; |
8892ce77 BL |
1831 | extern const SSL3_ENC_METHOD SSLv3_enc_data; |
1832 | extern const SSL3_ENC_METHOD DTLSv1_enc_data; | |
1833 | extern const SSL3_ENC_METHOD DTLSv1_2_enc_data; | |
f3b656b2 | 1834 | |
4fa52141 VD |
1835 | /* |
1836 | * Flags for SSL methods | |
1837 | */ | |
a230b26e EK |
1838 | # define SSL_METHOD_NO_FIPS (1U<<0) |
1839 | # define SSL_METHOD_NO_SUITEB (1U<<1) | |
4fa52141 VD |
1840 | |
1841 | # define IMPLEMENT_tls_meth_func(version, flags, mask, func_name, s_accept, \ | |
ccae4a15 | 1842 | s_connect, enc_data) \ |
4ebb342f | 1843 | const SSL_METHOD *func_name(void) \ |
0f113f3e MC |
1844 | { \ |
1845 | static const SSL_METHOD func_name##_data= { \ | |
1846 | version, \ | |
4fa52141 VD |
1847 | flags, \ |
1848 | mask, \ | |
0f113f3e MC |
1849 | tls1_new, \ |
1850 | tls1_clear, \ | |
1851 | tls1_free, \ | |
1852 | s_accept, \ | |
1853 | s_connect, \ | |
1854 | ssl3_read, \ | |
1855 | ssl3_peek, \ | |
1856 | ssl3_write, \ | |
1857 | ssl3_shutdown, \ | |
1858 | ssl3_renegotiate, \ | |
1859 | ssl3_renegotiate_check, \ | |
0f113f3e MC |
1860 | ssl3_read_bytes, \ |
1861 | ssl3_write_bytes, \ | |
1862 | ssl3_dispatch_alert, \ | |
1863 | ssl3_ctrl, \ | |
1864 | ssl3_ctx_ctrl, \ | |
1865 | ssl3_get_cipher_by_char, \ | |
1866 | ssl3_put_cipher_by_char, \ | |
1867 | ssl3_pending, \ | |
1868 | ssl3_num_ciphers, \ | |
1869 | ssl3_get_cipher, \ | |
0f113f3e MC |
1870 | tls1_default_timeout, \ |
1871 | &enc_data, \ | |
1872 | ssl_undefined_void_function, \ | |
1873 | ssl3_callback_ctrl, \ | |
1874 | ssl3_ctx_callback_ctrl, \ | |
1875 | }; \ | |
1876 | return &func_name##_data; \ | |
1877 | } | |
1878 | ||
ccae4a15 | 1879 | # define IMPLEMENT_ssl3_meth_func(func_name, s_accept, s_connect) \ |
4ebb342f | 1880 | const SSL_METHOD *func_name(void) \ |
0f113f3e MC |
1881 | { \ |
1882 | static const SSL_METHOD func_name##_data= { \ | |
1883 | SSL3_VERSION, \ | |
4fa52141 VD |
1884 | SSL_METHOD_NO_FIPS | SSL_METHOD_NO_SUITEB, \ |
1885 | SSL_OP_NO_SSLv3, \ | |
0f113f3e MC |
1886 | ssl3_new, \ |
1887 | ssl3_clear, \ | |
1888 | ssl3_free, \ | |
1889 | s_accept, \ | |
1890 | s_connect, \ | |
1891 | ssl3_read, \ | |
1892 | ssl3_peek, \ | |
1893 | ssl3_write, \ | |
1894 | ssl3_shutdown, \ | |
1895 | ssl3_renegotiate, \ | |
1896 | ssl3_renegotiate_check, \ | |
0f113f3e MC |
1897 | ssl3_read_bytes, \ |
1898 | ssl3_write_bytes, \ | |
1899 | ssl3_dispatch_alert, \ | |
1900 | ssl3_ctrl, \ | |
1901 | ssl3_ctx_ctrl, \ | |
1902 | ssl3_get_cipher_by_char, \ | |
1903 | ssl3_put_cipher_by_char, \ | |
1904 | ssl3_pending, \ | |
1905 | ssl3_num_ciphers, \ | |
1906 | ssl3_get_cipher, \ | |
0f113f3e MC |
1907 | ssl3_default_timeout, \ |
1908 | &SSLv3_enc_data, \ | |
1909 | ssl_undefined_void_function, \ | |
1910 | ssl3_callback_ctrl, \ | |
1911 | ssl3_ctx_callback_ctrl, \ | |
1912 | }; \ | |
1913 | return &func_name##_data; \ | |
1914 | } | |
1915 | ||
4fa52141 | 1916 | # define IMPLEMENT_dtls1_meth_func(version, flags, mask, func_name, s_accept, \ |
ccae4a15 | 1917 | s_connect, enc_data) \ |
4ebb342f | 1918 | const SSL_METHOD *func_name(void) \ |
0f113f3e MC |
1919 | { \ |
1920 | static const SSL_METHOD func_name##_data= { \ | |
1921 | version, \ | |
4fa52141 VD |
1922 | flags, \ |
1923 | mask, \ | |
0f113f3e MC |
1924 | dtls1_new, \ |
1925 | dtls1_clear, \ | |
1926 | dtls1_free, \ | |
1927 | s_accept, \ | |
1928 | s_connect, \ | |
1929 | ssl3_read, \ | |
1930 | ssl3_peek, \ | |
1931 | ssl3_write, \ | |
1932 | dtls1_shutdown, \ | |
1933 | ssl3_renegotiate, \ | |
1934 | ssl3_renegotiate_check, \ | |
0f113f3e MC |
1935 | dtls1_read_bytes, \ |
1936 | dtls1_write_app_data_bytes, \ | |
1937 | dtls1_dispatch_alert, \ | |
1938 | dtls1_ctrl, \ | |
1939 | ssl3_ctx_ctrl, \ | |
1940 | ssl3_get_cipher_by_char, \ | |
1941 | ssl3_put_cipher_by_char, \ | |
1942 | ssl3_pending, \ | |
1943 | ssl3_num_ciphers, \ | |
ca3895f0 | 1944 | ssl3_get_cipher, \ |
0f113f3e MC |
1945 | dtls1_default_timeout, \ |
1946 | &enc_data, \ | |
1947 | ssl_undefined_void_function, \ | |
1948 | ssl3_callback_ctrl, \ | |
1949 | ssl3_ctx_callback_ctrl, \ | |
1950 | }; \ | |
1951 | return &func_name##_data; \ | |
1952 | } | |
1953 | ||
1954 | struct openssl_ssl_test_functions { | |
46417569 | 1955 | int (*p_ssl_init_wbio_buffer) (SSL *s); |
0f113f3e | 1956 | int (*p_ssl3_setup_buffers) (SSL *s); |
0f113f3e MC |
1957 | }; |
1958 | ||
3eb2aff4 | 1959 | const char *ssl_protocol_to_string(int version); |
7d650072 | 1960 | |
4020c0b3 DSH |
1961 | /* Returns true if certificate and private key for 'idx' are present */ |
1962 | static ossl_inline int ssl_has_cert(const SSL *s, int idx) | |
1963 | { | |
1964 | if (idx < 0 || idx >= SSL_PKEY_NUM) | |
1965 | return 0; | |
1966 | return s->cert->pkeys[idx].x509 != NULL | |
1967 | && s->cert->pkeys[idx].privatekey != NULL; | |
1968 | } | |
1969 | ||
0f113f3e | 1970 | # ifndef OPENSSL_UNIT_TEST |
e0fc7961 | 1971 | |
d02b48c6 RE |
1972 | void ssl_clear_cipher_ctx(SSL *s); |
1973 | int ssl_clear_bad_session(SSL *s); | |
4bcdb4a6 MC |
1974 | __owur CERT *ssl_cert_new(void); |
1975 | __owur CERT *ssl_cert_dup(CERT *cert); | |
a5ee80b9 | 1976 | void ssl_cert_clear_certs(CERT *c); |
d02b48c6 | 1977 | void ssl_cert_free(CERT *c); |
4bcdb4a6 | 1978 | __owur int ssl_get_new_session(SSL *s, int session); |
1a9f457c | 1979 | __owur int ssl_get_prev_session(SSL *s, CLIENTHELLO_MSG *hello, int *al); |
98ece4ee | 1980 | __owur SSL_SESSION *ssl_session_dup(SSL_SESSION *src, int ticket); |
4bcdb4a6 | 1981 | __owur int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b); |
0f113f3e | 1982 | DECLARE_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, ssl_cipher_id); |
4bcdb4a6 | 1983 | __owur int ssl_cipher_ptr_id_cmp(const SSL_CIPHER *const *ap, |
a230b26e | 1984 | const SSL_CIPHER *const *bp); |
4bcdb4a6 | 1985 | __owur STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *meth, |
a230b26e EK |
1986 | STACK_OF(SSL_CIPHER) **pref, |
1987 | STACK_OF(SSL_CIPHER) | |
1988 | **sorted, | |
1989 | const char *rule_str, | |
1990 | CERT *c); | |
d02b48c6 | 1991 | void ssl_update_cache(SSL *s, int mode); |
4bcdb4a6 | 1992 | __owur int ssl_cipher_get_evp(const SSL_SESSION *s, const EVP_CIPHER **enc, |
a230b26e | 1993 | const EVP_MD **md, int *mac_pkey_type, |
8c1a5343 | 1994 | size_t *mac_secret_size, SSL_COMP **comp, |
a230b26e | 1995 | int use_etm); |
045bd047 DW |
1996 | __owur int ssl_cipher_get_overhead(const SSL_CIPHER *c, size_t *mac_overhead, |
1997 | size_t *int_overhead, size_t *blocksize, | |
1998 | size_t *ext_overhead); | |
4bcdb4a6 | 1999 | __owur int ssl_cipher_get_cert_index(const SSL_CIPHER *c); |
a230b26e EK |
2000 | __owur const SSL_CIPHER *ssl_get_cipher_by_char(SSL *ssl, |
2001 | const unsigned char *ptr); | |
4bcdb4a6 MC |
2002 | __owur int ssl_cert_set0_chain(SSL *s, SSL_CTX *ctx, STACK_OF(X509) *chain); |
2003 | __owur int ssl_cert_set1_chain(SSL *s, SSL_CTX *ctx, STACK_OF(X509) *chain); | |
2004 | __owur int ssl_cert_add0_chain_cert(SSL *s, SSL_CTX *ctx, X509 *x); | |
2005 | __owur int ssl_cert_add1_chain_cert(SSL *s, SSL_CTX *ctx, X509 *x); | |
2006 | __owur int ssl_cert_select_current(CERT *c, X509 *x); | |
2007 | __owur int ssl_cert_set_current(CERT *c, long arg); | |
2008 | __owur X509 *ssl_cert_get0_next_certificate(CERT *c, int first); | |
a230b26e | 2009 | void ssl_cert_set_cert_cb(CERT *c, int (*cb) (SSL *ssl, void *arg), void *arg); |
f71c6e52 | 2010 | |
4bcdb4a6 | 2011 | __owur int ssl_verify_cert_chain(SSL *s, STACK_OF(X509) *sk); |
4bcdb4a6 | 2012 | __owur int ssl_build_cert_chain(SSL *s, SSL_CTX *ctx, int flags); |
a230b26e EK |
2013 | __owur int ssl_cert_set_cert_store(CERT *c, X509_STORE *store, int chain, |
2014 | int ref); | |
b362ccab | 2015 | |
e4646a89 | 2016 | __owur int ssl_security(const SSL *s, int op, int bits, int nid, void *other); |
a230b26e EK |
2017 | __owur int ssl_ctx_security(const SSL_CTX *ctx, int op, int bits, int nid, |
2018 | void *other); | |
b362ccab | 2019 | |
d02b48c6 | 2020 | int ssl_undefined_function(SSL *s); |
4bcdb4a6 MC |
2021 | __owur int ssl_undefined_void_function(void); |
2022 | __owur int ssl_undefined_const_function(const SSL *s); | |
a230b26e EK |
2023 | __owur int ssl_get_server_cert_serverinfo(SSL *s, |
2024 | const unsigned char **serverinfo, | |
2025 | size_t *serverinfo_length); | |
2e5ead83 | 2026 | __owur int ssl_cert_type(const X509 *x, const EVP_PKEY *pkey); |
2cf28d61 | 2027 | void ssl_set_masks(SSL *s); |
4bcdb4a6 MC |
2028 | __owur STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s); |
2029 | __owur int ssl_verify_alarm_type(long type); | |
748f2546 | 2030 | void ssl_sort_cipher_list(void); |
7f3c9036 | 2031 | void ssl_load_ciphers(void); |
a230b26e | 2032 | __owur int ssl_fill_hello_random(SSL *s, int server, unsigned char *field, |
6db6bc5a | 2033 | size_t len); |
57b272b0 DSH |
2034 | __owur int ssl_generate_master_secret(SSL *s, unsigned char *pms, size_t pmslen, |
2035 | int free_pms); | |
0a699a07 | 2036 | __owur EVP_PKEY *ssl_generate_pkey(EVP_PKEY *pm); |
0f1e51ea MC |
2037 | __owur int ssl_derive(SSL *s, EVP_PKEY *privkey, EVP_PKEY *pubkey, |
2038 | int genmaster); | |
6c4e6670 | 2039 | __owur EVP_PKEY *ssl_dh_to_pkey(DH *dh); |
d02b48c6 | 2040 | |
ec15acb6 | 2041 | __owur const SSL_CIPHER *ssl3_get_cipher_by_id(uint32_t id); |
4bcdb4a6 | 2042 | __owur const SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p); |
ae2f7b37 | 2043 | __owur int ssl3_put_cipher_by_char(const SSL_CIPHER *c, WPACKET *pkt, |
2c7b4dbc | 2044 | size_t *len); |
2c4a056f | 2045 | int ssl3_init_finished_mac(SSL *s); |
4bcdb4a6 | 2046 | __owur int ssl3_setup_key_block(SSL *s); |
4bcdb4a6 | 2047 | __owur int ssl3_change_cipher_state(SSL *s, int which); |
d02b48c6 | 2048 | void ssl3_cleanup_key_block(SSL *s); |
4bcdb4a6 | 2049 | __owur int ssl3_do_write(SSL *s, int type); |
0f113f3e | 2050 | int ssl3_send_alert(SSL *s, int level, int desc); |
4bcdb4a6 | 2051 | __owur int ssl3_generate_master_secret(SSL *s, unsigned char *out, |
8c1a5343 MC |
2052 | unsigned char *p, size_t len, |
2053 | size_t *secret_size); | |
28ff8ef3 | 2054 | __owur int ssl3_get_req_cert_type(SSL *s, WPACKET *pkt); |
4bcdb4a6 MC |
2055 | __owur int ssl3_num_ciphers(void); |
2056 | __owur const SSL_CIPHER *ssl3_get_cipher(unsigned int u); | |
0f113f3e | 2057 | int ssl3_renegotiate(SSL *ssl); |
c7f47786 | 2058 | int ssl3_renegotiate_check(SSL *ssl, int initok); |
4bcdb4a6 | 2059 | __owur int ssl3_dispatch_alert(SSL *s); |
6db6bc5a | 2060 | __owur size_t ssl3_final_finish_mac(SSL *s, const char *sender, size_t slen, |
12472b45 | 2061 | unsigned char *p); |
7ee8627f | 2062 | __owur int ssl3_finish_mac(SSL *s, const unsigned char *buf, size_t len); |
81025661 | 2063 | void ssl3_free_digest_list(SSL *s); |
7cea05dc | 2064 | __owur unsigned long ssl3_output_cert_chain(SSL *s, WPACKET *pkt, |
e96e0f8e | 2065 | CERT_PKEY *cpk, int *al); |
4a640fb6 DSH |
2066 | __owur const SSL_CIPHER *ssl3_choose_cipher(SSL *ssl, |
2067 | STACK_OF(SSL_CIPHER) *clnt, | |
2068 | STACK_OF(SSL_CIPHER) *srvr); | |
124037fd | 2069 | __owur int ssl3_digest_cached_records(SSL *s, int keep); |
4bcdb4a6 | 2070 | __owur int ssl3_new(SSL *s); |
0f113f3e | 2071 | void ssl3_free(SSL *s); |
54105ddd MC |
2072 | __owur int ssl3_read(SSL *s, void *buf, size_t len, size_t *readbytes); |
2073 | __owur int ssl3_peek(SSL *s, void *buf, size_t len, size_t *readbytes); | |
7ee8627f | 2074 | __owur int ssl3_write(SSL *s, const void *buf, size_t len, size_t *written); |
4bcdb4a6 | 2075 | __owur int ssl3_shutdown(SSL *s); |
0f113f3e | 2076 | void ssl3_clear(SSL *s); |
4bcdb4a6 MC |
2077 | __owur long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg); |
2078 | __owur long ssl3_ctx_ctrl(SSL_CTX *s, int cmd, long larg, void *parg); | |
2079 | __owur long ssl3_callback_ctrl(SSL *s, int cmd, void (*fp) (void)); | |
2080 | __owur long ssl3_ctx_callback_ctrl(SSL_CTX *s, int cmd, void (*fp) (void)); | |
d02b48c6 | 2081 | |
4bcdb4a6 MC |
2082 | __owur int ssl3_do_change_cipher_spec(SSL *ssl); |
2083 | __owur long ssl3_default_timeout(void); | |
f3b656b2 | 2084 | |
a29fa98c | 2085 | __owur int ssl3_set_handshake_header(SSL *s, WPACKET *pkt, int htype); |
4a01c59f | 2086 | __owur int tls_close_construct_packet(SSL *s, WPACKET *pkt, int htype); |
c7f47786 | 2087 | __owur int tls_setup_handshake(SSL *s); |
a29fa98c | 2088 | __owur int dtls1_set_handshake_header(SSL *s, WPACKET *pkt, int htype); |
4a01c59f | 2089 | __owur int dtls1_close_construct_packet(SSL *s, WPACKET *pkt, int htype); |
4bcdb4a6 MC |
2090 | __owur int ssl3_handshake_write(SSL *s); |
2091 | ||
4bcdb4a6 MC |
2092 | __owur int ssl_allow_compression(SSL *s); |
2093 | ||
ccae4a15 FI |
2094 | __owur int ssl_version_supported(const SSL *s, int version); |
2095 | ||
4fa52141 VD |
2096 | __owur int ssl_set_client_hello_version(SSL *s); |
2097 | __owur int ssl_check_version_downgrade(SSL *s); | |
2098 | __owur int ssl_set_version_bound(int method_version, int version, int *bound); | |
1ab3836b | 2099 | __owur int ssl_choose_server_version(SSL *s, CLIENTHELLO_MSG *hello); |
4fa52141 | 2100 | __owur int ssl_choose_client_version(SSL *s, int version); |
a230b26e EK |
2101 | int ssl_get_client_min_max_version(const SSL *s, int *min_version, |
2102 | int *max_version); | |
4fa52141 | 2103 | |
4bcdb4a6 MC |
2104 | __owur long tls1_default_timeout(void); |
2105 | __owur int dtls1_do_write(SSL *s, int type); | |
4bcdb4a6 | 2106 | void dtls1_set_message_header(SSL *s, |
a773b52a | 2107 | unsigned char mt, |
d736bc1a MC |
2108 | size_t len, |
2109 | size_t frag_off, size_t frag_len); | |
4bcdb4a6 | 2110 | |
7ee8627f MC |
2111 | int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf_, size_t len, |
2112 | size_t *written); | |
4bcdb4a6 | 2113 | |
4bcdb4a6 MC |
2114 | __owur int dtls1_read_failed(SSL *s, int code); |
2115 | __owur int dtls1_buffer_message(SSL *s, int ccs); | |
a773b52a | 2116 | __owur int dtls1_retransmit_message(SSL *s, unsigned short seq, int *found); |
4bcdb4a6 | 2117 | __owur int dtls1_get_queue_priority(unsigned short seq, int is_ccs); |
17dd65e6 | 2118 | int dtls1_retransmit_buffered_messages(SSL *s); |
f5c7f5df MC |
2119 | void dtls1_clear_received_buffer(SSL *s); |
2120 | void dtls1_clear_sent_buffer(SSL *s); | |
0f113f3e MC |
2121 | void dtls1_get_message_header(unsigned char *data, |
2122 | struct hm_header_st *msg_hdr); | |
4bcdb4a6 MC |
2123 | __owur long dtls1_default_timeout(void); |
2124 | __owur struct timeval *dtls1_get_timeout(SSL *s, struct timeval *timeleft); | |
2125 | __owur int dtls1_check_timeout_num(SSL *s); | |
2126 | __owur int dtls1_handle_timeout(SSL *s); | |
9289f21b DSH |
2127 | void dtls1_start_timer(SSL *s); |
2128 | void dtls1_stop_timer(SSL *s); | |
4bcdb4a6 | 2129 | __owur int dtls1_is_timer_expired(SSL *s); |
9289f21b | 2130 | void dtls1_double_timeout(SSL *s); |
c536b6be | 2131 | __owur int dtls_raw_hello_verify_request(WPACKET *pkt, unsigned char *cookie, |
cb150cbc | 2132 | size_t cookie_len); |
4bcdb4a6 | 2133 | __owur int dtls1_send_newsession_ticket(SSL *s); |
7ee8627f | 2134 | __owur size_t dtls1_min_mtu(SSL *s); |
8a35dbb6 | 2135 | void dtls1_hm_fragment_free(hm_fragment *frag); |
8ba708e5 | 2136 | __owur int dtls1_query_mtu(SSL *s); |
480506bd | 2137 | |
4bcdb4a6 | 2138 | __owur int tls1_new(SSL *s); |
58964a49 RE |
2139 | void tls1_free(SSL *s); |
2140 | void tls1_clear(SSL *s); | |
0f113f3e MC |
2141 | long tls1_ctrl(SSL *s, int cmd, long larg, void *parg); |
2142 | long tls1_callback_ctrl(SSL *s, int cmd, void (*fp) (void)); | |
58964a49 | 2143 | |
4bcdb4a6 | 2144 | __owur int dtls1_new(SSL *s); |
36d16f8e BL |
2145 | void dtls1_free(SSL *s); |
2146 | void dtls1_clear(SSL *s); | |
0f113f3e | 2147 | long dtls1_ctrl(SSL *s, int cmd, long larg, void *parg); |
4bcdb4a6 | 2148 | __owur int dtls1_shutdown(SSL *s); |
36d16f8e | 2149 | |
4bcdb4a6 | 2150 | __owur int dtls1_dispatch_alert(SSL *s); |
36d16f8e | 2151 | |
46417569 | 2152 | __owur int ssl_init_wbio_buffer(SSL *s); |
413c4f45 | 2153 | void ssl_free_wbio_buffer(SSL *s); |
58964a49 | 2154 | |
4bcdb4a6 MC |
2155 | __owur int tls1_change_cipher_state(SSL *s, int which); |
2156 | __owur int tls1_setup_key_block(SSL *s); | |
6db6bc5a | 2157 | __owur size_t tls1_final_finish_mac(SSL *s, const char *str, size_t slen, |
12472b45 | 2158 | unsigned char *p); |
4bcdb4a6 | 2159 | __owur int tls1_generate_master_secret(SSL *s, unsigned char *out, |
8c1a5343 MC |
2160 | unsigned char *p, size_t len, |
2161 | size_t *secret_size); | |
92760c21 MC |
2162 | __owur int tls13_setup_key_block(SSL *s); |
2163 | __owur size_t tls13_final_finish_mac(SSL *s, const char *str, size_t slen, | |
2164 | unsigned char *p); | |
0d9824c1 | 2165 | __owur int tls13_change_cipher_state(SSL *s, int which); |
ec15acb6 MC |
2166 | __owur int tls13_hkdf_expand(SSL *s, const EVP_MD *md, |
2167 | const unsigned char *secret, | |
ace081c1 MC |
2168 | const unsigned char *label, size_t labellen, |
2169 | const unsigned char *hash, | |
2170 | unsigned char *out, size_t outlen); | |
34574f19 MC |
2171 | __owur int tls13_derive_key(SSL *s, const unsigned char *secret, |
2172 | unsigned char *key, size_t keylen); | |
2173 | __owur int tls13_derive_iv(SSL *s, const unsigned char *secret, | |
2174 | unsigned char *iv, size_t ivlen); | |
ec15acb6 MC |
2175 | __owur int tls13_derive_finishedkey(SSL *s, const EVP_MD *md, |
2176 | const unsigned char *secret, | |
2177 | unsigned char *fin, size_t finlen); | |
2178 | int tls13_generate_secret(SSL *s, const EVP_MD *md, | |
2179 | const unsigned char *prevsecret, | |
2180 | const unsigned char *insecret, | |
2181 | size_t insecretlen, | |
2182 | unsigned char *outsecret); | |
34574f19 MC |
2183 | __owur int tls13_generate_handshake_secret(SSL *s, |
2184 | const unsigned char *insecret, | |
2185 | size_t insecretlen); | |
2186 | __owur int tls13_generate_master_secret(SSL *s, unsigned char *out, | |
2187 | unsigned char *prev, size_t prevlen, | |
2188 | size_t *secret_size); | |
4bcdb4a6 | 2189 | __owur int tls1_export_keying_material(SSL *s, unsigned char *out, size_t olen, |
a230b26e EK |
2190 | const char *label, size_t llen, |
2191 | const unsigned char *p, size_t plen, | |
2192 | int use_context); | |
4bcdb4a6 | 2193 | __owur int tls1_alert_code(int code); |
04904312 | 2194 | __owur int tls13_alert_code(int code); |
4bcdb4a6 MC |
2195 | __owur int ssl3_alert_code(int code); |
2196 | __owur int ssl_ok(SSL *s); | |
58964a49 | 2197 | |
10bf4fc2 | 2198 | # ifndef OPENSSL_NO_EC |
4bcdb4a6 | 2199 | __owur int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s); |
0f113f3e | 2200 | # endif |
41fdcfa7 | 2201 | |
f73e07cf | 2202 | SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n); |
413c4f45 | 2203 | |
0f113f3e | 2204 | # ifndef OPENSSL_NO_EC |
ec24630a DSH |
2205 | /* Flags values from tls1_ec_curve_id2nid() */ |
2206 | /* Mask for curve type */ | |
2207 | # define TLS_CURVE_TYPE 0x3 | |
2208 | # define TLS_CURVE_PRIME 0x0 | |
2209 | # define TLS_CURVE_CHAR2 0x1 | |
2210 | # define TLS_CURVE_CUSTOM 0x2 | |
0dd7ba24 MC |
2211 | |
2212 | #define bytestogroup(bytes) ((unsigned int)(bytes[0] << 8 | bytes[1])) | |
2213 | ||
ec24630a | 2214 | __owur int tls1_ec_curve_id2nid(int curve_id, unsigned int *pflags); |
4bcdb4a6 MC |
2215 | __owur int tls1_ec_nid2curve_id(int nid); |
2216 | __owur int tls1_check_curve(SSL *s, const unsigned char *p, size_t len); | |
de4d764e MC |
2217 | __owur int tls1_shared_group(SSL *s, int nmatch); |
2218 | __owur int tls1_set_groups(unsigned char **pext, size_t *pextlen, | |
a230b26e | 2219 | int *curves, size_t ncurves); |
de4d764e | 2220 | __owur int tls1_set_groups_list(unsigned char **pext, size_t *pextlen, |
a230b26e | 2221 | const char *str); |
7da160b0 MC |
2222 | void tls1_get_formatlist(SSL *s, const unsigned char **pformats, |
2223 | size_t *num_formats); | |
4bcdb4a6 | 2224 | __owur int tls1_check_ec_tmp_key(SSL *s, unsigned long id); |
0a699a07 | 2225 | __owur EVP_PKEY *ssl_generate_pkey_curve(int id); |
0f113f3e | 2226 | # endif /* OPENSSL_NO_EC */ |
33273721 | 2227 | |
4bcdb4a6 | 2228 | __owur int tls1_shared_list(SSL *s, |
a230b26e EK |
2229 | const unsigned char *l1, size_t l1len, |
2230 | const unsigned char *l2, size_t l2len, int nmatch); | |
6b473aca MC |
2231 | __owur int tls_curve_allowed(SSL *s, const unsigned char *curve, int op); |
2232 | __owur int tls1_get_curvelist(SSL *s, int sess, const unsigned char **pcurves, | |
2233 | size_t *num_curves); | |
2234 | ||
a0f63828 | 2235 | void ssl_set_default_md(SSL *s); |
4bcdb4a6 | 2236 | __owur int tls1_set_server_sigalgs(SSL *s); |
ddf6ec00 MC |
2237 | |
2238 | /* Return codes for tls_get_ticket_from_client() and tls_decrypt_ticket() */ | |
2239 | typedef enum ticket_en { | |
40f805ad | 2240 | /* fatal error, malloc failure */ |
ddf6ec00 | 2241 | TICKET_FATAL_ERR_MALLOC, |
40f805ad | 2242 | /* fatal error, either from parsing or decrypting the ticket */ |
ddf6ec00 | 2243 | TICKET_FATAL_ERR_OTHER, |
40f805ad | 2244 | /* No ticket present */ |
ddf6ec00 | 2245 | TICKET_NONE, |
40f805ad | 2246 | /* Empty ticket present */ |
ddf6ec00 | 2247 | TICKET_EMPTY, |
40f805ad | 2248 | /* the ticket couldn't be decrypted */ |
ddf6ec00 | 2249 | TICKET_NO_DECRYPT, |
40f805ad | 2250 | /* a ticket was successfully decrypted */ |
ddf6ec00 | 2251 | TICKET_SUCCESS, |
40f805ad | 2252 | /* same as above but the ticket needs to be reneewed */ |
ddf6ec00 MC |
2253 | TICKET_SUCCESS_RENEW |
2254 | } TICKET_RETURN; | |
2255 | ||
2256 | __owur TICKET_RETURN tls_get_ticket_from_client(SSL *s, CLIENTHELLO_MSG *hello, | |
2257 | SSL_SESSION **ret); | |
2258 | __owur TICKET_RETURN tls_decrypt_ticket(SSL *s, const unsigned char *etick, | |
2259 | size_t eticklen, | |
2260 | const unsigned char *sess_id, | |
2261 | size_t sesslen, SSL_SESSION **psess); | |
1053a6e2 | 2262 | |
7da160b0 | 2263 | __owur int tls_use_ticket(SSL *s); |
a2f9200f | 2264 | |
90d9e49a | 2265 | void ssl_set_sig_mask(uint32_t *pmask_a, SSL *s, int op); |
a2f9200f | 2266 | |
4bcdb4a6 | 2267 | __owur int tls1_set_sigalgs_list(CERT *c, const char *str, int client); |
a230b26e EK |
2268 | __owur int tls1_set_sigalgs(CERT *c, const int *salg, size_t salglen, |
2269 | int client); | |
17dd65e6 | 2270 | int tls1_check_chain(SSL *s, X509 *x, EVP_PKEY *pk, STACK_OF(X509) *chain, |
0f113f3e | 2271 | int idx); |
d61ff83b | 2272 | void tls1_set_cert_validity(SSL *s); |
0f229cce | 2273 | |
a230b26e | 2274 | # ifndef OPENSSL_NO_CT |
4d482ee2 | 2275 | __owur int ssl_validate_ct(SSL *s); |
a230b26e | 2276 | # endif |
ed29e82a | 2277 | |
0f113f3e | 2278 | # ifndef OPENSSL_NO_DH |
4bcdb4a6 | 2279 | __owur DH *ssl_get_auto_dh(SSL *s); |
0f113f3e | 2280 | # endif |
b362ccab | 2281 | |
4bcdb4a6 | 2282 | __owur int ssl_security_cert(SSL *s, SSL_CTX *ctx, X509 *x, int vfy, int is_ee); |
a230b26e EK |
2283 | __owur int ssl_security_cert_chain(SSL *s, STACK_OF(X509) *sk, X509 *ex, |
2284 | int vfy); | |
b362ccab | 2285 | |
4a419f60 | 2286 | int tls_choose_sigalg(SSL *s, int *al); |
93a77f9e | 2287 | |
4bcdb4a6 | 2288 | __owur EVP_MD_CTX *ssl_replace_hash(EVP_MD_CTX **hash, const EVP_MD *md); |
b948e2c5 | 2289 | void ssl_clear_hash_ctx(EVP_MD_CTX **hash); |
4bcdb4a6 | 2290 | __owur long ssl_get_algorithm2(SSL *s); |
ae2f7b37 | 2291 | __owur int tls12_copy_sigalgs(SSL *s, WPACKET *pkt, |
98c792d1 | 2292 | const uint16_t *psig, size_t psiglen); |
703bcee0 | 2293 | __owur int tls1_save_sigalgs(SSL *s, PACKET *pkt); |
4bcdb4a6 | 2294 | __owur int tls1_process_sigalgs(SSL *s); |
0972bc5c | 2295 | __owur int tls1_set_peer_legacy_sigalg(SSL *s, const EVP_PKEY *pkey); |
98c792d1 | 2296 | __owur size_t tls12_get_psigalgs(SSL *s, int sent, const uint16_t **psigs); |
f742cda8 | 2297 | __owur int tls12_check_peer_sigalg(SSL *s, uint16_t, EVP_PKEY *pkey); |
b7bfe69b | 2298 | void ssl_set_client_disabled(SSL *s); |
4bcdb4a6 | 2299 | __owur int ssl_cipher_disabled(SSL *s, const SSL_CIPHER *c, int op); |
1c78c43b | 2300 | |
8c1a5343 MC |
2301 | __owur int ssl_handshake_hash(SSL *s, unsigned char *out, size_t outlen, |
2302 | size_t *hashlen); | |
152fbc28 | 2303 | __owur const EVP_MD *ssl_md(int idx); |
28ba2541 DSH |
2304 | __owur const EVP_MD *ssl_handshake_md(SSL *s); |
2305 | __owur const EVP_MD *ssl_prf_md(SSL *s); | |
48fbcbac | 2306 | |
2faa1b48 CB |
2307 | /* |
2308 | * ssl_log_rsa_client_key_exchange logs |premaster| to the SSL_CTX associated | |
2309 | * with |ssl|, if logging is enabled. It returns one on success and zero on | |
2310 | * failure. The entry is identified by the first 8 bytes of | |
2311 | * |encrypted_premaster|. | |
2312 | */ | |
2313 | __owur int ssl_log_rsa_client_key_exchange(SSL *ssl, | |
2314 | const uint8_t *encrypted_premaster, | |
2315 | size_t encrypted_premaster_len, | |
2316 | const uint8_t *premaster, | |
2317 | size_t premaster_len); | |
2318 | ||
2c7bd692 CB |
2319 | /* |
2320 | * ssl_log_secret logs |secret| to the SSL_CTX associated with |ssl|, if | |
2321 | * logging is available. It returns one on success and zero on failure. It tags | |
2322 | * the entry with |label|. | |
2faa1b48 | 2323 | */ |
2c7bd692 CB |
2324 | __owur int ssl_log_secret(SSL *ssl, const char *label, |
2325 | const uint8_t *secret, size_t secret_len); | |
2326 | ||
2327 | #define MASTER_SECRET_LABEL "CLIENT_RANDOM" | |
2328 | #define CLIENT_HANDSHAKE_LABEL "CLIENT_HANDSHAKE_TRAFFIC_SECRET" | |
2329 | #define SERVER_HANDSHAKE_LABEL "SERVER_HANDSHAKE_TRAFFIC_SECRET" | |
2330 | #define CLIENT_APPLICATION_LABEL "CLIENT_TRAFFIC_SECRET_0" | |
2331 | #define SERVER_APPLICATION_LABEL "SERVER_TRAFFIC_SECRET_0" | |
2faa1b48 | 2332 | |
2acc020b | 2333 | /* s3_cbc.c */ |
4bcdb4a6 | 2334 | __owur char ssl3_cbc_record_digest_supported(const EVP_MD_CTX *ctx); |
5f3d93e4 MC |
2335 | __owur int ssl3_cbc_digest_record(const EVP_MD_CTX *ctx, |
2336 | unsigned char *md_out, | |
2337 | size_t *md_out_size, | |
2338 | const unsigned char header[13], | |
2339 | const unsigned char *data, | |
2340 | size_t data_plus_mac_size, | |
2341 | size_t data_plus_mac_plus_padding_size, | |
2342 | const unsigned char *mac_secret, | |
d0e7c31d | 2343 | size_t mac_secret_length, char is_sslv3); |
0f113f3e | 2344 | |
d166ed8c DSH |
2345 | __owur int tls_fips_digest_extra(const EVP_CIPHER_CTX *cipher_ctx, |
2346 | EVP_MD_CTX *mac_ctx, const unsigned char *data, | |
2347 | size_t data_len, size_t orig_len); | |
0989790b | 2348 | |
57b272b0 DSH |
2349 | __owur int srp_generate_server_master_secret(SSL *s); |
2350 | __owur int srp_generate_client_master_secret(SSL *s); | |
4bcdb4a6 | 2351 | __owur int srp_verify_server_param(SSL *s, int *al); |
0989790b | 2352 | |
ecf4d660 DSH |
2353 | /* t1_ext.c */ |
2354 | ||
28ea0a0c DSH |
2355 | void custom_ext_init(custom_ext_methods *meths); |
2356 | ||
4bcdb4a6 | 2357 | __owur int custom_ext_parse(SSL *s, int server, |
a230b26e EK |
2358 | unsigned int ext_type, |
2359 | const unsigned char *ext_data, size_t ext_size, | |
2360 | int *al); | |
ae2f7b37 | 2361 | __owur int custom_ext_add(SSL *s, int server, WPACKET *pkt, int *al); |
a230b26e EK |
2362 | |
2363 | __owur int custom_exts_copy(custom_ext_methods *dst, | |
2364 | const custom_ext_methods *src); | |
ecf4d660 DSH |
2365 | void custom_exts_free(custom_ext_methods *exts); |
2366 | ||
b3599dbb | 2367 | void ssl_comp_free_compression_methods_int(void); |
03b0e735 | 2368 | |
0f113f3e | 2369 | # else |
e0fc7961 | 2370 | |
0f113f3e MC |
2371 | # define ssl_init_wbio_buffer SSL_test_functions()->p_ssl_init_wbio_buffer |
2372 | # define ssl3_setup_buffers SSL_test_functions()->p_ssl3_setup_buffers | |
c4e6fb15 | 2373 | |
0f113f3e | 2374 | # endif |
e0fc7961 | 2375 | #endif |