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846e33c7 | 1 | /* |
33388b44 | 2 | * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved. |
aa8f3d76 | 3 | * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved |
c80149d9 | 4 | * Copyright 2005 Nokia. All rights reserved. |
5a4fbc69 | 5 | * |
2c18d164 | 6 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
846e33c7 RS |
7 | * this file except in compliance with the License. You can obtain a copy |
8 | * in the file LICENSE in the source distribution or at | |
9 | * https://www.openssl.org/source/license.html | |
5a4fbc69 | 10 | */ |
846e33c7 | 11 | |
ae4186b0 DMSP |
12 | #ifndef OSSL_SSL_LOCAL_H |
13 | # define OSSL_SSL_LOCAL_H | |
4cff10dc P |
14 | |
15 | # include "e_os.h" /* struct timeval for DTLS */ | |
0f113f3e MC |
16 | # include <stdlib.h> |
17 | # include <time.h> | |
18 | # include <string.h> | |
19 | # include <errno.h> | |
d02b48c6 | 20 | |
0f113f3e | 21 | # include <openssl/buffer.h> |
3c27208f | 22 | # include <openssl/comp.h> |
0f113f3e | 23 | # include <openssl/bio.h> |
3c27208f RS |
24 | # include <openssl/rsa.h> |
25 | # include <openssl/dsa.h> | |
0f113f3e MC |
26 | # include <openssl/err.h> |
27 | # include <openssl/ssl.h> | |
07bbc92c | 28 | # include <openssl/async.h> |
0f113f3e | 29 | # include <openssl/symhacks.h> |
3c27208f | 30 | # include <openssl/ct.h> |
a230b26e EK |
31 | # include "record/record.h" |
32 | # include "statem/statem.h" | |
0d345f0e | 33 | # include "internal/packet.h" |
a230b26e | 34 | # include "internal/dane.h" |
2f545ae4 | 35 | # include "internal/refcount.h" |
9ef9088c | 36 | # include "internal/tsan_assist.h" |
50ec7505 | 37 | # include "internal/bio.h" |
c7b46b54 | 38 | # include "internal/ktls.h" |
52e1d7b1 | 39 | |
0f113f3e MC |
40 | # ifdef OPENSSL_BUILD_SHLIBSSL |
41 | # undef OPENSSL_EXTERN | |
42 | # define OPENSSL_EXTERN OPENSSL_EXPORT | |
43 | # endif | |
26da3e65 | 44 | |
0f113f3e MC |
45 | # define c2l(c,l) (l = ((unsigned long)(*((c)++))) , \ |
46 | l|=(((unsigned long)(*((c)++)))<< 8), \ | |
47 | l|=(((unsigned long)(*((c)++)))<<16), \ | |
48 | l|=(((unsigned long)(*((c)++)))<<24)) | |
d02b48c6 RE |
49 | |
50 | /* NOTE - c is not incremented as per c2l */ | |
0f113f3e MC |
51 | # define c2ln(c,l1,l2,n) { \ |
52 | c+=n; \ | |
53 | l1=l2=0; \ | |
54 | switch (n) { \ | |
55 | case 8: l2 =((unsigned long)(*(--(c))))<<24; \ | |
56 | case 7: l2|=((unsigned long)(*(--(c))))<<16; \ | |
57 | case 6: l2|=((unsigned long)(*(--(c))))<< 8; \ | |
58 | case 5: l2|=((unsigned long)(*(--(c)))); \ | |
59 | case 4: l1 =((unsigned long)(*(--(c))))<<24; \ | |
60 | case 3: l1|=((unsigned long)(*(--(c))))<<16; \ | |
61 | case 2: l1|=((unsigned long)(*(--(c))))<< 8; \ | |
62 | case 1: l1|=((unsigned long)(*(--(c)))); \ | |
63 | } \ | |
64 | } | |
65 | ||
66 | # define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \ | |
67 | *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ | |
68 | *((c)++)=(unsigned char)(((l)>>16)&0xff), \ | |
69 | *((c)++)=(unsigned char)(((l)>>24)&0xff)) | |
70 | ||
71 | # define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24, \ | |
72 | l|=((unsigned long)(*((c)++)))<<16, \ | |
73 | l|=((unsigned long)(*((c)++)))<< 8, \ | |
74 | l|=((unsigned long)(*((c)++)))) | |
75 | ||
31c34a3e DW |
76 | # define n2l8(c,l) (l =((uint64_t)(*((c)++)))<<56, \ |
77 | l|=((uint64_t)(*((c)++)))<<48, \ | |
78 | l|=((uint64_t)(*((c)++)))<<40, \ | |
79 | l|=((uint64_t)(*((c)++)))<<32, \ | |
80 | l|=((uint64_t)(*((c)++)))<<24, \ | |
81 | l|=((uint64_t)(*((c)++)))<<16, \ | |
82 | l|=((uint64_t)(*((c)++)))<< 8, \ | |
83 | l|=((uint64_t)(*((c)++)))) | |
84 | ||
85 | ||
0f113f3e MC |
86 | # define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24)&0xff), \ |
87 | *((c)++)=(unsigned char)(((l)>>16)&0xff), \ | |
88 | *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ | |
89 | *((c)++)=(unsigned char)(((l) )&0xff)) | |
90 | ||
91 | # define l2n6(l,c) (*((c)++)=(unsigned char)(((l)>>40)&0xff), \ | |
92 | *((c)++)=(unsigned char)(((l)>>32)&0xff), \ | |
93 | *((c)++)=(unsigned char)(((l)>>24)&0xff), \ | |
94 | *((c)++)=(unsigned char)(((l)>>16)&0xff), \ | |
95 | *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ | |
96 | *((c)++)=(unsigned char)(((l) )&0xff)) | |
97 | ||
98 | # define l2n8(l,c) (*((c)++)=(unsigned char)(((l)>>56)&0xff), \ | |
99 | *((c)++)=(unsigned char)(((l)>>48)&0xff), \ | |
100 | *((c)++)=(unsigned char)(((l)>>40)&0xff), \ | |
101 | *((c)++)=(unsigned char)(((l)>>32)&0xff), \ | |
102 | *((c)++)=(unsigned char)(((l)>>24)&0xff), \ | |
103 | *((c)++)=(unsigned char)(((l)>>16)&0xff), \ | |
104 | *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ | |
105 | *((c)++)=(unsigned char)(((l) )&0xff)) | |
106 | ||
d02b48c6 | 107 | /* NOTE - c is not incremented as per l2c */ |
0f113f3e MC |
108 | # define l2cn(l1,l2,c,n) { \ |
109 | c+=n; \ | |
110 | switch (n) { \ | |
111 | case 8: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \ | |
112 | case 7: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \ | |
113 | case 6: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \ | |
114 | case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \ | |
115 | case 4: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \ | |
116 | case 3: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \ | |
117 | case 2: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \ | |
118 | case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \ | |
119 | } \ | |
120 | } | |
121 | ||
d4450e4b MC |
122 | # define n2s(c,s) ((s=(((unsigned int)((c)[0]))<< 8)| \ |
123 | (((unsigned int)((c)[1])) )),(c)+=2) | |
124 | # define s2n(s,c) (((c)[0]=(unsigned char)(((s)>> 8)&0xff), \ | |
125 | (c)[1]=(unsigned char)(((s) )&0xff)),(c)+=2) | |
126 | ||
127 | # define n2l3(c,l) ((l =(((unsigned long)((c)[0]))<<16)| \ | |
128 | (((unsigned long)((c)[1]))<< 8)| \ | |
129 | (((unsigned long)((c)[2])) )),(c)+=3) | |
130 | ||
131 | # define l2n3(l,c) (((c)[0]=(unsigned char)(((l)>>16)&0xff), \ | |
132 | (c)[1]=(unsigned char)(((l)>> 8)&0xff), \ | |
133 | (c)[2]=(unsigned char)(((l) )&0xff)),(c)+=3) | |
d02b48c6 | 134 | |
5c587fb6 KR |
135 | # define TLS_MAX_VERSION_INTERNAL TLS1_3_VERSION |
136 | # define DTLS_MAX_VERSION_INTERNAL DTLS1_2_VERSION | |
137 | ||
a230b26e EK |
138 | /* |
139 | * DTLS version numbers are strange because they're inverted. Except for | |
140 | * DTLS1_BAD_VER, which should be considered "lower" than the rest. | |
141 | */ | |
142 | # define dtls_ver_ordinal(v1) (((v1) == DTLS1_BAD_VER) ? 0xff00 : (v1)) | |
143 | # define DTLS_VERSION_GT(v1, v2) (dtls_ver_ordinal(v1) < dtls_ver_ordinal(v2)) | |
144 | # define DTLS_VERSION_GE(v1, v2) (dtls_ver_ordinal(v1) <= dtls_ver_ordinal(v2)) | |
145 | # define DTLS_VERSION_LT(v1, v2) (dtls_ver_ordinal(v1) > dtls_ver_ordinal(v2)) | |
146 | # define DTLS_VERSION_LE(v1, v2) (dtls_ver_ordinal(v1) >= dtls_ver_ordinal(v2)) | |
7946ab33 | 147 | |
d02b48c6 | 148 | |
018e57c7 DSH |
149 | /* |
150 | * Define the Bitmasks for SSL_CIPHER.algorithms. | |
151 | * This bits are used packed as dense as possible. If new methods/ciphers | |
152 | * etc will be added, the bits a likely to change, so this information | |
153 | * is for internal library use only, even though SSL_CIPHER.algorithms | |
154 | * can be publicly accessed. | |
155 | * Use the according functions for cipher management instead. | |
156 | * | |
657e60fa | 157 | * The bit mask handling in the selection and sorting scheme in |
018e57c7 | 158 | * ssl_create_cipher_list() has only limited capabilities, reflecting |
657e60fa | 159 | * that the different entities within are mutually exclusive: |
018e57c7 DSH |
160 | * ONLY ONE BIT PER MASK CAN BE SET AT A TIME. |
161 | */ | |
52b8dad8 BM |
162 | |
163 | /* Bits for algorithm_mkey (key exchange algorithm) */ | |
68d39f3c | 164 | /* RSA key exchange */ |
36e79832 | 165 | # define SSL_kRSA 0x00000001U |
68d39f3c | 166 | /* tmp DH key no DH cert */ |
bc71f910 | 167 | # define SSL_kDHE 0x00000002U |
68d39f3c | 168 | /* synonym */ |
0f113f3e | 169 | # define SSL_kEDH SSL_kDHE |
68d39f3c | 170 | /* ephemeral ECDH */ |
ce0c1f2b | 171 | # define SSL_kECDHE 0x00000004U |
68d39f3c | 172 | /* synonym */ |
0f113f3e | 173 | # define SSL_kEECDH SSL_kECDHE |
68d39f3c | 174 | /* PSK */ |
ce0c1f2b | 175 | # define SSL_kPSK 0x00000008U |
68d39f3c | 176 | /* GOST key exchange */ |
ce0c1f2b | 177 | # define SSL_kGOST 0x00000010U |
68d39f3c | 178 | /* SRP */ |
ce0c1f2b | 179 | # define SSL_kSRP 0x00000020U |
52b8dad8 | 180 | |
ce0c1f2b DSH |
181 | # define SSL_kRSAPSK 0x00000040U |
182 | # define SSL_kECDHEPSK 0x00000080U | |
183 | # define SSL_kDHEPSK 0x00000100U | |
5a5530a2 DB |
184 | /* GOST KDF key exchange, draft-smyshlyaev-tls12-gost-suites */ |
185 | # define SSL_kGOST18 0x00000200U | |
64651d39 DSH |
186 | |
187 | /* all PSK */ | |
188 | ||
a230b26e | 189 | # define SSL_PSK (SSL_kPSK | SSL_kRSAPSK | SSL_kECDHEPSK | SSL_kDHEPSK) |
64651d39 | 190 | |
e5c4bf93 DSH |
191 | /* Any appropriate key exchange algorithm (for TLS 1.3 ciphersuites) */ |
192 | # define SSL_kANY 0x00000000U | |
193 | ||
52b8dad8 | 194 | /* Bits for algorithm_auth (server authentication) */ |
68d39f3c | 195 | /* RSA auth */ |
36e79832 | 196 | # define SSL_aRSA 0x00000001U |
68d39f3c | 197 | /* DSS auth */ |
36e79832 | 198 | # define SSL_aDSS 0x00000002U |
68d39f3c | 199 | /* no auth (i.e. use ADH or AECDH) */ |
36e79832 | 200 | # define SSL_aNULL 0x00000004U |
68d39f3c | 201 | /* ECDSA auth*/ |
ce0c1f2b | 202 | # define SSL_aECDSA 0x00000008U |
68d39f3c | 203 | /* PSK auth */ |
ce0c1f2b | 204 | # define SSL_aPSK 0x00000010U |
68d39f3c | 205 | /* GOST R 34.10-2001 signature auth */ |
ce0c1f2b | 206 | # define SSL_aGOST01 0x00000020U |
68d39f3c | 207 | /* SRP auth */ |
ce0c1f2b | 208 | # define SSL_aSRP 0x00000040U |
e44380a9 | 209 | /* GOST R 34.10-2012 signature auth */ |
ce0c1f2b | 210 | # define SSL_aGOST12 0x00000080U |
e5c4bf93 DSH |
211 | /* Any appropriate signature auth (for TLS 1.3 ciphersuites) */ |
212 | # define SSL_aANY 0x00000000U | |
e4fb8b47 DSH |
213 | /* All bits requiring a certificate */ |
214 | #define SSL_aCERT \ | |
215 | (SSL_aRSA | SSL_aDSS | SSL_aECDSA | SSL_aGOST01 | SSL_aGOST12) | |
52b8dad8 BM |
216 | |
217 | /* Bits for algorithm_enc (symmetric encryption) */ | |
36e79832 DSH |
218 | # define SSL_DES 0x00000001U |
219 | # define SSL_3DES 0x00000002U | |
220 | # define SSL_RC4 0x00000004U | |
221 | # define SSL_RC2 0x00000008U | |
222 | # define SSL_IDEA 0x00000010U | |
223 | # define SSL_eNULL 0x00000020U | |
224 | # define SSL_AES128 0x00000040U | |
225 | # define SSL_AES256 0x00000080U | |
226 | # define SSL_CAMELLIA128 0x00000100U | |
227 | # define SSL_CAMELLIA256 0x00000200U | |
228 | # define SSL_eGOST2814789CNT 0x00000400U | |
229 | # define SSL_SEED 0x00000800U | |
230 | # define SSL_AES128GCM 0x00001000U | |
231 | # define SSL_AES256GCM 0x00002000U | |
232 | # define SSL_AES128CCM 0x00004000U | |
233 | # define SSL_AES256CCM 0x00008000U | |
234 | # define SSL_AES128CCM8 0x00010000U | |
235 | # define SSL_AES256CCM8 0x00020000U | |
e44380a9 | 236 | # define SSL_eGOST2814789CNT12 0x00040000U |
a76ba82c | 237 | # define SSL_CHACHA20POLY1305 0x00080000U |
bc326738 JS |
238 | # define SSL_ARIA128GCM 0x00100000U |
239 | # define SSL_ARIA256GCM 0x00200000U | |
5a5530a2 DB |
240 | # define SSL_MAGMA 0x00400000U |
241 | # define SSL_KUZNYECHIK 0x00800000U | |
0f113f3e | 242 | |
a556f342 EK |
243 | # define SSL_AESGCM (SSL_AES128GCM | SSL_AES256GCM) |
244 | # define SSL_AESCCM (SSL_AES128CCM | SSL_AES256CCM | SSL_AES128CCM8 | SSL_AES256CCM8) | |
245 | # define SSL_AES (SSL_AES128|SSL_AES256|SSL_AESGCM|SSL_AESCCM) | |
0f113f3e | 246 | # define SSL_CAMELLIA (SSL_CAMELLIA128|SSL_CAMELLIA256) |
1c37fd96 | 247 | # define SSL_CHACHA20 (SSL_CHACHA20POLY1305) |
bc326738 JS |
248 | # define SSL_ARIAGCM (SSL_ARIA128GCM | SSL_ARIA256GCM) |
249 | # define SSL_ARIA (SSL_ARIAGCM) | |
c1fd005b OH |
250 | # define SSL_CBC (SSL_DES | SSL_3DES | SSL_RC2 | SSL_IDEA \ |
251 | | SSL_AES128 | SSL_AES256 | SSL_CAMELLIA128 \ | |
252 | | SSL_CAMELLIA256 | SSL_SEED) | |
52b8dad8 BM |
253 | |
254 | /* Bits for algorithm_mac (symmetric authentication) */ | |
28dd49fa | 255 | |
36e79832 DSH |
256 | # define SSL_MD5 0x00000001U |
257 | # define SSL_SHA1 0x00000002U | |
258 | # define SSL_GOST94 0x00000004U | |
259 | # define SSL_GOST89MAC 0x00000008U | |
260 | # define SSL_SHA256 0x00000010U | |
261 | # define SSL_SHA384 0x00000020U | |
28dd49fa | 262 | /* Not a real MAC, just an indication it is part of cipher */ |
36e79832 | 263 | # define SSL_AEAD 0x00000040U |
e44380a9 DB |
264 | # define SSL_GOST12_256 0x00000080U |
265 | # define SSL_GOST89MAC12 0x00000100U | |
266 | # define SSL_GOST12_512 0x00000200U | |
5a5530a2 DB |
267 | # define SSL_MAGMAOMAC 0x00000400U |
268 | # define SSL_KUZNYECHIKOMAC 0x00000800U | |
52b8dad8 | 269 | |
0f113f3e | 270 | /* |
e44380a9 | 271 | * When adding new digest in the ssl_ciph.c and increment SSL_MD_NUM_IDX make |
0f113f3e MC |
272 | * sure to update this constant too |
273 | */ | |
28ba2541 DSH |
274 | |
275 | # define SSL_MD_MD5_IDX 0 | |
276 | # define SSL_MD_SHA1_IDX 1 | |
277 | # define SSL_MD_GOST94_IDX 2 | |
278 | # define SSL_MD_GOST89MAC_IDX 3 | |
279 | # define SSL_MD_SHA256_IDX 4 | |
280 | # define SSL_MD_SHA384_IDX 5 | |
281 | # define SSL_MD_GOST12_256_IDX 6 | |
282 | # define SSL_MD_GOST89MAC12_IDX 7 | |
283 | # define SSL_MD_GOST12_512_IDX 8 | |
284 | # define SSL_MD_MD5_SHA1_IDX 9 | |
7afd2312 DSH |
285 | # define SSL_MD_SHA224_IDX 10 |
286 | # define SSL_MD_SHA512_IDX 11 | |
5a5530a2 DB |
287 | # define SSL_MD_MAGMAOMAC_IDX 12 |
288 | # define SSL_MD_KUZNYECHIKOMAC_IDX 13 | |
289 | # define SSL_MAX_DIGEST 14 | |
28ba2541 | 290 | |
c8f6c28a MC |
291 | #define SSL_MD_NUM_IDX SSL_MAX_DIGEST |
292 | ||
28ba2541 DSH |
293 | /* Bits for algorithm2 (handshake digests and other extra flags) */ |
294 | ||
295 | /* Bits 0-7 are handshake MAC */ | |
296 | # define SSL_HANDSHAKE_MAC_MASK 0xFF | |
297 | # define SSL_HANDSHAKE_MAC_MD5_SHA1 SSL_MD_MD5_SHA1_IDX | |
298 | # define SSL_HANDSHAKE_MAC_SHA256 SSL_MD_SHA256_IDX | |
299 | # define SSL_HANDSHAKE_MAC_SHA384 SSL_MD_SHA384_IDX | |
300 | # define SSL_HANDSHAKE_MAC_GOST94 SSL_MD_GOST94_IDX | |
301 | # define SSL_HANDSHAKE_MAC_GOST12_256 SSL_MD_GOST12_256_IDX | |
302 | # define SSL_HANDSHAKE_MAC_GOST12_512 SSL_MD_GOST12_512_IDX | |
303 | # define SSL_HANDSHAKE_MAC_DEFAULT SSL_HANDSHAKE_MAC_MD5_SHA1 | |
304 | ||
305 | /* Bits 8-15 bits are PRF */ | |
306 | # define TLS1_PRF_DGST_SHIFT 8 | |
307 | # define TLS1_PRF_SHA1_MD5 (SSL_MD_MD5_SHA1_IDX << TLS1_PRF_DGST_SHIFT) | |
308 | # define TLS1_PRF_SHA256 (SSL_MD_SHA256_IDX << TLS1_PRF_DGST_SHIFT) | |
309 | # define TLS1_PRF_SHA384 (SSL_MD_SHA384_IDX << TLS1_PRF_DGST_SHIFT) | |
310 | # define TLS1_PRF_GOST94 (SSL_MD_GOST94_IDX << TLS1_PRF_DGST_SHIFT) | |
311 | # define TLS1_PRF_GOST12_256 (SSL_MD_GOST12_256_IDX << TLS1_PRF_DGST_SHIFT) | |
312 | # define TLS1_PRF_GOST12_512 (SSL_MD_GOST12_512_IDX << TLS1_PRF_DGST_SHIFT) | |
313 | # define TLS1_PRF (SSL_MD_MD5_SHA1_IDX << TLS1_PRF_DGST_SHIFT) | |
761772d7 | 314 | |
0f113f3e MC |
315 | /* |
316 | * Stream MAC for GOST ciphersuites from cryptopro draft (currently this also | |
317 | * goes into algorithm2) | |
318 | */ | |
28ba2541 | 319 | # define TLS1_STREAM_MAC 0x10000 |
5a5530a2 DB |
320 | /* |
321 | * TLSTREE cipher/mac key derivation from draft-smyshlyaev-tls12-gost-suites | |
322 | * (currently this also goes into algorithm2) | |
323 | */ | |
324 | # define TLS1_TLSTREE 0x20000 | |
761772d7 | 325 | |
88a9614b | 326 | # define SSL_STRONG_MASK 0x0000001FU |
361a1191 | 327 | # define SSL_DEFAULT_MASK 0X00000020U |
c84f7f4a | 328 | |
361a1191 KR |
329 | # define SSL_STRONG_NONE 0x00000001U |
330 | # define SSL_LOW 0x00000002U | |
331 | # define SSL_MEDIUM 0x00000004U | |
332 | # define SSL_HIGH 0x00000008U | |
333 | # define SSL_FIPS 0x00000010U | |
334 | # define SSL_NOT_DEFAULT 0x00000020U | |
018e57c7 | 335 | |
361a1191 | 336 | /* we have used 0000003f - 26 bits left to go */ |
d02b48c6 | 337 | |
34f7245b MC |
338 | /* Flag used on OpenSSL ciphersuite ids to indicate they are for SSLv3+ */ |
339 | # define SSL3_CK_CIPHERSUITE_FLAG 0x03000000 | |
340 | ||
890f2f8b | 341 | /* Check if an SSL structure is using DTLS */ |
0f113f3e | 342 | # define SSL_IS_DTLS(s) (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS) |
f2342b7a MC |
343 | |
344 | /* Check if we are using TLSv1.3 */ | |
c805f618 MC |
345 | # define SSL_IS_TLS13(s) (!SSL_IS_DTLS(s) \ |
346 | && (s)->method->version >= TLS1_3_VERSION \ | |
347 | && (s)->method->version != TLS_ANY_VERSION) | |
f2342b7a | 348 | |
49e7fe12 | 349 | # define SSL_TREAT_AS_TLS13(s) \ |
7b0a3ce0 MC |
350 | (SSL_IS_TLS13(s) || (s)->early_data_state == SSL_EARLY_DATA_CONNECTING \ |
351 | || (s)->early_data_state == SSL_EARLY_DATA_CONNECT_RETRY \ | |
352 | || (s)->early_data_state == SSL_EARLY_DATA_WRITING \ | |
758e05c5 MC |
353 | || (s)->early_data_state == SSL_EARLY_DATA_WRITE_RETRY \ |
354 | || (s)->hello_retry_request == SSL_HRR_PENDING) | |
49e7fe12 | 355 | |
555cbb32 TS |
356 | # define SSL_IS_FIRST_HANDSHAKE(S) ((s)->s3.tmp.finish_md_len == 0 \ |
357 | || (s)->s3.tmp.peer_finish_md_len == 0) | |
c7f47786 | 358 | |
cbd64894 | 359 | /* See if we need explicit IV */ |
0f113f3e MC |
360 | # define SSL_USE_EXPLICIT_IV(s) \ |
361 | (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_EXPLICIT_IV) | |
362 | /* | |
363 | * See if we use signature algorithms extension and signature algorithm | |
364 | * before signatures. | |
cbd64894 | 365 | */ |
0f113f3e MC |
366 | # define SSL_USE_SIGALGS(s) \ |
367 | (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_SIGALGS) | |
368 | /* | |
369 | * Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2: may | |
370 | * apply to others in future. | |
4221c0dd | 371 | */ |
0f113f3e MC |
372 | # define SSL_USE_TLS1_2_CIPHERS(s) \ |
373 | (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_TLS1_2_CIPHERS) | |
374 | /* | |
375 | * Determine if a client can use TLS 1.2 ciphersuites: can't rely on method | |
1e2d4cb0 DSH |
376 | * flags because it may not be set to correct version yet. |
377 | */ | |
0f113f3e | 378 | # define SSL_CLIENT_USE_TLS1_2_CIPHERS(s) \ |
4fa52141 VD |
379 | ((!SSL_IS_DTLS(s) && s->client_version >= TLS1_2_VERSION) || \ |
380 | (SSL_IS_DTLS(s) && DTLS_VERSION_GE(s->client_version, DTLS1_2_VERSION))) | |
f7aa3185 DB |
381 | /* |
382 | * Determine if a client should send signature algorithms extension: | |
383 | * as with TLS1.2 cipher we can't rely on method flags. | |
384 | */ | |
385 | # define SSL_CLIENT_USE_SIGALGS(s) \ | |
386 | SSL_CLIENT_USE_TLS1_2_CIPHERS(s) | |
0f113f3e | 387 | |
cf72c757 F |
388 | # define IS_MAX_FRAGMENT_LENGTH_EXT_VALID(value) \ |
389 | (((value) >= TLSEXT_max_fragment_length_512) && \ | |
390 | ((value) <= TLSEXT_max_fragment_length_4096)) | |
391 | # define USE_MAX_FRAGMENT_LENGTH_EXT(session) \ | |
392 | IS_MAX_FRAGMENT_LENGTH_EXT_VALID(session->ext.max_fragment_len_mode) | |
393 | # define GET_MAX_FRAGMENT_LENGTH(session) \ | |
394 | (512U << (session->ext.max_fragment_len_mode - 1)) | |
395 | ||
555cbb32 TS |
396 | # define SSL_READ_ETM(s) (s->s3.flags & TLS1_FLAGS_ENCRYPT_THEN_MAC_READ) |
397 | # define SSL_WRITE_ETM(s) (s->s3.flags & TLS1_FLAGS_ENCRYPT_THEN_MAC_WRITE) | |
5e3ff62c | 398 | |
d02b48c6 | 399 | /* Mostly for SSLv3 */ |
d0ff28f8 | 400 | # define SSL_PKEY_RSA 0 |
045d078a DSH |
401 | # define SSL_PKEY_RSA_PSS_SIGN 1 |
402 | # define SSL_PKEY_DSA_SIGN 2 | |
403 | # define SSL_PKEY_ECC 3 | |
404 | # define SSL_PKEY_GOST01 4 | |
405 | # define SSL_PKEY_GOST12_256 5 | |
406 | # define SSL_PKEY_GOST12_512 6 | |
407 | # define SSL_PKEY_ED25519 7 | |
0e1d6ecf MC |
408 | # define SSL_PKEY_ED448 8 |
409 | # define SSL_PKEY_NUM 9 | |
d02b48c6 | 410 | |
c8f6c28a MC |
411 | # define SSL_ENC_DES_IDX 0 |
412 | # define SSL_ENC_3DES_IDX 1 | |
413 | # define SSL_ENC_RC4_IDX 2 | |
414 | # define SSL_ENC_RC2_IDX 3 | |
415 | # define SSL_ENC_IDEA_IDX 4 | |
416 | # define SSL_ENC_NULL_IDX 5 | |
417 | # define SSL_ENC_AES128_IDX 6 | |
418 | # define SSL_ENC_AES256_IDX 7 | |
419 | # define SSL_ENC_CAMELLIA128_IDX 8 | |
420 | # define SSL_ENC_CAMELLIA256_IDX 9 | |
421 | # define SSL_ENC_GOST89_IDX 10 | |
422 | # define SSL_ENC_SEED_IDX 11 | |
423 | # define SSL_ENC_AES128GCM_IDX 12 | |
424 | # define SSL_ENC_AES256GCM_IDX 13 | |
425 | # define SSL_ENC_AES128CCM_IDX 14 | |
426 | # define SSL_ENC_AES256CCM_IDX 15 | |
427 | # define SSL_ENC_AES128CCM8_IDX 16 | |
428 | # define SSL_ENC_AES256CCM8_IDX 17 | |
429 | # define SSL_ENC_GOST8912_IDX 18 | |
430 | # define SSL_ENC_CHACHA_IDX 19 | |
431 | # define SSL_ENC_ARIA128GCM_IDX 20 | |
432 | # define SSL_ENC_ARIA256GCM_IDX 21 | |
5a5530a2 DB |
433 | # define SSL_ENC_MAGMA_IDX 22 |
434 | # define SSL_ENC_KUZNYECHIK_IDX 23 | |
435 | # define SSL_ENC_NUM_IDX 24 | |
c8f6c28a | 436 | |
1d97c843 | 437 | /*- |
361a1191 | 438 | * SSL_kRSA <- RSA_ENC |
d02b48c6 | 439 | * SSL_kDH <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN) |
5a21cadb | 440 | * SSL_kDHE <- RSA_ENC | RSA_SIGN | DSA_SIGN |
d02b48c6 RE |
441 | * SSL_aRSA <- RSA_ENC | RSA_SIGN |
442 | * SSL_aDSS <- DSA_SIGN | |
443 | */ | |
444 | ||
23a22b4c | 445 | /*- |
0f113f3e MC |
446 | #define CERT_INVALID 0 |
447 | #define CERT_PUBLIC_KEY 1 | |
448 | #define CERT_PRIVATE_KEY 2 | |
d02b48c6 RE |
449 | */ |
450 | ||
9d75dce3 TS |
451 | /* Post-Handshake Authentication state */ |
452 | typedef enum { | |
453 | SSL_PHA_NONE = 0, | |
454 | SSL_PHA_EXT_SENT, /* client-side only: extension sent */ | |
455 | SSL_PHA_EXT_RECEIVED, /* server-side only: extension received */ | |
456 | SSL_PHA_REQUEST_PENDING, /* server-side only: request pending */ | |
457 | SSL_PHA_REQUESTED /* request received by client, or sent by server */ | |
458 | } SSL_PHA_STATE; | |
459 | ||
e9fa092e | 460 | /* CipherSuite length. SSLv3 and all TLS versions. */ |
a230b26e | 461 | # define TLS_CIPHER_LEN 2 |
b6ba4014 MC |
462 | /* used to hold info on the particular ciphers used */ |
463 | struct ssl_cipher_st { | |
90d9e49a | 464 | uint32_t valid; |
a230b26e | 465 | const char *name; /* text name */ |
bbb4ceb8 | 466 | const char *stdname; /* RFC name */ |
a230b26e | 467 | uint32_t id; /* id, 4 bytes, first is version */ |
b6ba4014 | 468 | /* |
90d9e49a | 469 | * changed in 1.0.0: these four used to be portions of a single value |
b6ba4014 MC |
470 | * 'algorithms' |
471 | */ | |
a230b26e EK |
472 | uint32_t algorithm_mkey; /* key exchange algorithm */ |
473 | uint32_t algorithm_auth; /* server authentication */ | |
474 | uint32_t algorithm_enc; /* symmetric encryption */ | |
475 | uint32_t algorithm_mac; /* symmetric authentication */ | |
476 | int min_tls; /* minimum SSL/TLS protocol version */ | |
477 | int max_tls; /* maximum SSL/TLS protocol version */ | |
478 | int min_dtls; /* minimum DTLS protocol version */ | |
479 | int max_dtls; /* maximum DTLS protocol version */ | |
480 | uint32_t algo_strength; /* strength and export flags */ | |
481 | uint32_t algorithm2; /* Extra flags */ | |
482 | int32_t strength_bits; /* Number of bits really used */ | |
483 | uint32_t alg_bits; /* Number of bits for algorithm */ | |
b6ba4014 MC |
484 | }; |
485 | ||
87d9cafa | 486 | /* Used to hold SSL/TLS functions */ |
b6ba4014 MC |
487 | struct ssl_method_st { |
488 | int version; | |
4fa52141 VD |
489 | unsigned flags; |
490 | unsigned long mask; | |
b6ba4014 | 491 | int (*ssl_new) (SSL *s); |
b77f3ed1 | 492 | int (*ssl_clear) (SSL *s); |
b6ba4014 MC |
493 | void (*ssl_free) (SSL *s); |
494 | int (*ssl_accept) (SSL *s); | |
495 | int (*ssl_connect) (SSL *s); | |
54105ddd MC |
496 | int (*ssl_read) (SSL *s, void *buf, size_t len, size_t *readbytes); |
497 | int (*ssl_peek) (SSL *s, void *buf, size_t len, size_t *readbytes); | |
7ee8627f | 498 | int (*ssl_write) (SSL *s, const void *buf, size_t len, size_t *written); |
b6ba4014 MC |
499 | int (*ssl_shutdown) (SSL *s); |
500 | int (*ssl_renegotiate) (SSL *s); | |
c7f47786 | 501 | int (*ssl_renegotiate_check) (SSL *s, int); |
657da85e | 502 | int (*ssl_read_bytes) (SSL *s, int type, int *recvd_type, |
eda75751 | 503 | unsigned char *buf, size_t len, int peek, |
54105ddd | 504 | size_t *readbytes); |
7ee8627f MC |
505 | int (*ssl_write_bytes) (SSL *s, int type, const void *buf_, size_t len, |
506 | size_t *written); | |
b6ba4014 MC |
507 | int (*ssl_dispatch_alert) (SSL *s); |
508 | long (*ssl_ctrl) (SSL *s, int cmd, long larg, void *parg); | |
509 | long (*ssl_ctx_ctrl) (SSL_CTX *ctx, int cmd, long larg, void *parg); | |
510 | const SSL_CIPHER *(*get_cipher_by_char) (const unsigned char *ptr); | |
ae2f7b37 | 511 | int (*put_cipher_by_char) (const SSL_CIPHER *cipher, WPACKET *pkt, |
2c7b4dbc | 512 | size_t *len); |
8b0e934a | 513 | size_t (*ssl_pending) (const SSL *s); |
b6ba4014 MC |
514 | int (*num_ciphers) (void); |
515 | const SSL_CIPHER *(*get_cipher) (unsigned ncipher); | |
b6ba4014 MC |
516 | long (*get_timeout) (void); |
517 | const struct ssl3_enc_method *ssl3_enc; /* Extra SSLv3/TLS stuff */ | |
518 | int (*ssl_version) (void); | |
519 | long (*ssl_callback_ctrl) (SSL *s, int cb_id, void (*fp) (void)); | |
520 | long (*ssl_ctx_callback_ctrl) (SSL_CTX *s, int cb_id, void (*fp) (void)); | |
521 | }; | |
522 | ||
734af93a MC |
523 | /* |
524 | * Matches the length of PSK_MAX_PSK_LEN. We keep it the same value for | |
525 | * consistency, even in the event of OPENSSL_NO_PSK being defined. | |
526 | */ | |
e57bbf9e | 527 | # define TLS13_MAX_RESUMPTION_PSK_LENGTH 512 |
4ff1a526 | 528 | |
b6ba4014 MC |
529 | /*- |
530 | * Lets make this into an ASN.1 type structure as follows | |
531 | * SSL_SESSION_ID ::= SEQUENCE { | |
532 | * version INTEGER, -- structure version number | |
533 | * SSLversion INTEGER, -- SSL version number | |
534 | * Cipher OCTET STRING, -- the 3 byte cipher ID | |
535 | * Session_ID OCTET STRING, -- the Session ID | |
536 | * Master_key OCTET STRING, -- the master key | |
b6ba4014 MC |
537 | * Key_Arg [ 0 ] IMPLICIT OCTET STRING, -- the optional Key argument |
538 | * Time [ 1 ] EXPLICIT INTEGER, -- optional Start Time | |
539 | * Timeout [ 2 ] EXPLICIT INTEGER, -- optional Timeout ins seconds | |
540 | * Peer [ 3 ] EXPLICIT X509, -- optional Peer Certificate | |
541 | * Session_ID_context [ 4 ] EXPLICIT OCTET STRING, -- the Session ID context | |
542 | * Verify_result [ 5 ] EXPLICIT INTEGER, -- X509_V_... code for `Peer' | |
543 | * HostName [ 6 ] EXPLICIT OCTET STRING, -- optional HostName from servername TLS extension | |
544 | * PSK_identity_hint [ 7 ] EXPLICIT OCTET STRING, -- optional PSK identity hint | |
545 | * PSK_identity [ 8 ] EXPLICIT OCTET STRING, -- optional PSK identity | |
546 | * Ticket_lifetime_hint [9] EXPLICIT INTEGER, -- server's lifetime hint for session ticket | |
547 | * Ticket [10] EXPLICIT OCTET STRING, -- session ticket (clients only) | |
548 | * Compression_meth [11] EXPLICIT OCTET STRING, -- optional compression method | |
549 | * SRP_username [ 12 ] EXPLICIT OCTET STRING -- optional SRP username | |
6f152a15 | 550 | * flags [ 13 ] EXPLICIT INTEGER -- optional flags |
b6ba4014 MC |
551 | * } |
552 | * Look in ssl/ssl_asn1.c for more details | |
553 | * I'm using EXPLICIT tags so I can read the damn things using asn1parse :-). | |
554 | */ | |
555 | struct ssl_session_st { | |
a230b26e EK |
556 | int ssl_version; /* what ssl version session info is being kept |
557 | * in here? */ | |
8c1a5343 | 558 | size_t master_key_length; |
ec15acb6 | 559 | |
9368f865 MC |
560 | /* TLSv1.3 early_secret used for external PSKs */ |
561 | unsigned char early_secret[EVP_MAX_MD_SIZE]; | |
ec15acb6 MC |
562 | /* |
563 | * For <=TLS1.2 this is the master_key. For TLS1.3 this is the resumption | |
4ff1a526 | 564 | * PSK |
ec15acb6 | 565 | */ |
4ff1a526 | 566 | unsigned char master_key[TLS13_MAX_RESUMPTION_PSK_LENGTH]; |
b6ba4014 | 567 | /* session_id - valid? */ |
ec60ccc1 | 568 | size_t session_id_length; |
b6ba4014 MC |
569 | unsigned char session_id[SSL_MAX_SSL_SESSION_ID_LENGTH]; |
570 | /* | |
571 | * this is used to determine whether the session is being reused in the | |
572 | * appropriate context. It is up to the application to set this, via | |
573 | * SSL_new | |
574 | */ | |
ec60ccc1 | 575 | size_t sid_ctx_length; |
b6ba4014 | 576 | unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH]; |
b6ba4014 MC |
577 | # ifndef OPENSSL_NO_PSK |
578 | char *psk_identity_hint; | |
579 | char *psk_identity; | |
580 | # endif | |
581 | /* | |
582 | * Used to indicate that session resumption is not allowed. Applications | |
583 | * can also set this bit for a new session via not_resumable_session_cb | |
584 | * to disable session caching and tickets. | |
585 | */ | |
586 | int not_resumable; | |
a273c6ee | 587 | /* This is the cert and type for the other end. */ |
b6ba4014 | 588 | X509 *peer; |
a273c6ee | 589 | int peer_type; |
fa7c2637 | 590 | /* Certificate chain peer sent. */ |
c34b0f99 | 591 | STACK_OF(X509) *peer_chain; |
b6ba4014 MC |
592 | /* |
593 | * when app_verify_callback accepts a session where the peer's | |
594 | * certificate is not ok, we must remember the error for session reuse: | |
595 | */ | |
596 | long verify_result; /* only for servers */ | |
2f545ae4 | 597 | CRYPTO_REF_COUNT references; |
b6ba4014 MC |
598 | long timeout; |
599 | long time; | |
600 | unsigned int compress_meth; /* Need to lookup the method */ | |
601 | const SSL_CIPHER *cipher; | |
a230b26e EK |
602 | unsigned long cipher_id; /* when ASN.1 loaded, this needs to be used to |
603 | * load the 'cipher' structure */ | |
b6ba4014 MC |
604 | CRYPTO_EX_DATA ex_data; /* application specific data */ |
605 | /* | |
606 | * These are used to make removal of session-ids more efficient and to | |
607 | * implement a maximum cache size. | |
608 | */ | |
609 | struct ssl_session_st *prev, *next; | |
aff8c126 RS |
610 | |
611 | struct { | |
612 | char *hostname; | |
45436e61 | 613 | /* RFC4507 info */ |
aff8c126 RS |
614 | unsigned char *tick; /* Session ticket */ |
615 | size_t ticklen; /* Session ticket length */ | |
616 | /* Session lifetime hint in seconds */ | |
617 | unsigned long tick_lifetime_hint; | |
fc24f0bf | 618 | uint32_t tick_age_add; |
5d5b3fba MC |
619 | /* Max number of bytes that can be sent as early data */ |
620 | uint32_t max_early_data; | |
f6370040 MC |
621 | /* The ALPN protocol selected for this session */ |
622 | unsigned char *alpn_selected; | |
623 | size_t alpn_selected_len; | |
cf72c757 F |
624 | /* |
625 | * Maximum Fragment Length as per RFC 4366. | |
626 | * If this value does not contain RFC 4366 allowed values (1-4) then | |
627 | * either the Maximum Fragment Length Negotiation failed or was not | |
628 | * performed at all. | |
629 | */ | |
630 | uint8_t max_fragment_len_mode; | |
aff8c126 | 631 | } ext; |
b6ba4014 MC |
632 | # ifndef OPENSSL_NO_SRP |
633 | char *srp_username; | |
634 | # endif | |
df0fed9a TS |
635 | unsigned char *ticket_appdata; |
636 | size_t ticket_appdata_len; | |
f7d53487 | 637 | uint32_t flags; |
16203f7b | 638 | CRYPTO_RWLOCK *lock; |
b6ba4014 MC |
639 | }; |
640 | ||
6f152a15 | 641 | /* Extended master secret support */ |
a230b26e | 642 | # define SSL_SESS_FLAG_EXTMS 0x1 |
b6ba4014 MC |
643 | |
644 | # ifndef OPENSSL_NO_SRP | |
645 | ||
646 | typedef struct srp_ctx_st { | |
647 | /* param for all the callbacks */ | |
648 | void *SRP_cb_arg; | |
649 | /* set client Hello login callback */ | |
650 | int (*TLS_ext_srp_username_callback) (SSL *, int *, void *); | |
651 | /* set SRP N/g param callback for verification */ | |
652 | int (*SRP_verify_param_callback) (SSL *, void *); | |
653 | /* set SRP client passwd callback */ | |
654 | char *(*SRP_give_srp_client_pwd_callback) (SSL *, void *); | |
655 | char *login; | |
656 | BIGNUM *N, *g, *s, *B, *A; | |
657 | BIGNUM *a, *b, *v; | |
658 | char *info; | |
659 | int strength; | |
660 | unsigned long srp_Mask; | |
661 | } SRP_CTX; | |
662 | ||
663 | # endif | |
664 | ||
49e7fe12 MC |
665 | typedef enum { |
666 | SSL_EARLY_DATA_NONE = 0, | |
667 | SSL_EARLY_DATA_CONNECT_RETRY, | |
668 | SSL_EARLY_DATA_CONNECTING, | |
669 | SSL_EARLY_DATA_WRITE_RETRY, | |
670 | SSL_EARLY_DATA_WRITING, | |
2a8db717 | 671 | SSL_EARLY_DATA_WRITE_FLUSH, |
09f28874 | 672 | SSL_EARLY_DATA_UNAUTH_WRITING, |
d781d247 MC |
673 | SSL_EARLY_DATA_FINISHED_WRITING, |
674 | SSL_EARLY_DATA_ACCEPT_RETRY, | |
675 | SSL_EARLY_DATA_ACCEPTING, | |
676 | SSL_EARLY_DATA_READ_RETRY, | |
677 | SSL_EARLY_DATA_READING, | |
678 | SSL_EARLY_DATA_FINISHED_READING | |
49e7fe12 MC |
679 | } SSL_EARLY_DATA_STATE; |
680 | ||
70ef40a0 MC |
681 | /* |
682 | * We check that the amount of unreadable early data doesn't exceed | |
683 | * max_early_data. max_early_data is given in plaintext bytes. However if it is | |
684 | * unreadable then we only know the number of ciphertext bytes. We also don't | |
685 | * know how much the overhead should be because it depends on the ciphersuite. | |
686 | * We make a small allowance. We assume 5 records of actual data plus the end | |
687 | * of early data alert record. Each record has a tag and a content type byte. | |
688 | * The longest tag length we know of is EVP_GCM_TLS_TAG_LEN. We don't count the | |
689 | * content of the alert record either which is 2 bytes. | |
690 | */ | |
691 | # define EARLY_DATA_CIPHERTEXT_OVERHEAD ((6 * (EVP_GCM_TLS_TAG_LEN + 1)) + 2) | |
692 | ||
2c604cb9 MC |
693 | /* |
694 | * The allowance we have between the client's calculated ticket age and our own. | |
695 | * We allow for 10 seconds (units are in ms). If a ticket is presented and the | |
696 | * client's age calculation is different by more than this than our own then we | |
697 | * do not allow that ticket for early_data. | |
698 | */ | |
699 | # define TICKET_AGE_ALLOWANCE (10 * 1000) | |
700 | ||
cb7a1f5f BK |
701 | #define MAX_COMPRESSIONS_SIZE 255 |
702 | ||
b6ba4014 MC |
703 | struct ssl_comp_st { |
704 | int id; | |
705 | const char *name; | |
b6ba4014 | 706 | COMP_METHOD *method; |
b6ba4014 MC |
707 | }; |
708 | ||
cb7a1f5f BK |
709 | typedef struct raw_extension_st { |
710 | /* Raw packet data for the extension */ | |
711 | PACKET data; | |
712 | /* Set to 1 if the extension is present or 0 otherwise */ | |
713 | int present; | |
714 | /* Set to 1 if we have already parsed the extension or 0 otherwise */ | |
715 | int parsed; | |
716 | /* The type of this extension, i.e. a TLSEXT_TYPE_* value */ | |
717 | unsigned int type; | |
193b5d76 BK |
718 | /* Track what order extensions are received in (0-based). */ |
719 | size_t received_order; | |
cb7a1f5f BK |
720 | } RAW_EXTENSION; |
721 | ||
722 | typedef struct { | |
723 | unsigned int isv2; | |
724 | unsigned int legacy_version; | |
725 | unsigned char random[SSL3_RANDOM_SIZE]; | |
726 | size_t session_id_len; | |
727 | unsigned char session_id[SSL_MAX_SSL_SESSION_ID_LENGTH]; | |
728 | size_t dtls_cookie_len; | |
729 | unsigned char dtls_cookie[DTLS1_COOKIE_LENGTH]; | |
730 | PACKET ciphersuites; | |
731 | size_t compressions_len; | |
732 | unsigned char compressions[MAX_COMPRESSIONS_SIZE]; | |
733 | PACKET extensions; | |
734 | size_t pre_proc_exts_len; | |
735 | RAW_EXTENSION *pre_proc_exts; | |
736 | } CLIENTHELLO_MSG; | |
737 | ||
b186a592 MC |
738 | /* |
739 | * Extension index values NOTE: Any updates to these defines should be mirrored | |
740 | * with equivalent updates to ext_defs in extensions.c | |
741 | */ | |
742 | typedef enum tlsext_index_en { | |
743 | TLSEXT_IDX_renegotiate, | |
744 | TLSEXT_IDX_server_name, | |
cf72c757 | 745 | TLSEXT_IDX_max_fragment_length, |
b186a592 MC |
746 | TLSEXT_IDX_srp, |
747 | TLSEXT_IDX_ec_point_formats, | |
748 | TLSEXT_IDX_supported_groups, | |
749 | TLSEXT_IDX_session_ticket, | |
b186a592 MC |
750 | TLSEXT_IDX_status_request, |
751 | TLSEXT_IDX_next_proto_neg, | |
752 | TLSEXT_IDX_application_layer_protocol_negotiation, | |
753 | TLSEXT_IDX_use_srtp, | |
754 | TLSEXT_IDX_encrypt_then_mac, | |
755 | TLSEXT_IDX_signed_certificate_timestamp, | |
756 | TLSEXT_IDX_extended_master_secret, | |
c589c34e | 757 | TLSEXT_IDX_signature_algorithms_cert, |
9d75dce3 | 758 | TLSEXT_IDX_post_handshake_auth, |
10ed1b72 | 759 | TLSEXT_IDX_signature_algorithms, |
b186a592 MC |
760 | TLSEXT_IDX_supported_versions, |
761 | TLSEXT_IDX_psk_kex_modes, | |
762 | TLSEXT_IDX_key_share, | |
763 | TLSEXT_IDX_cookie, | |
764 | TLSEXT_IDX_cryptopro_bug, | |
765 | TLSEXT_IDX_early_data, | |
766 | TLSEXT_IDX_certificate_authorities, | |
767 | TLSEXT_IDX_padding, | |
768 | TLSEXT_IDX_psk, | |
769 | /* Dummy index - must always be the last entry */ | |
770 | TLSEXT_IDX_num_builtins | |
771 | } TLSEXT_INDEX; | |
772 | ||
89d6aa10 | 773 | DEFINE_LHASH_OF(SSL_SESSION); |
ce023e77 VD |
774 | /* Needed in ssl_cert.c */ |
775 | DEFINE_LHASH_OF(X509_NAME); | |
f8e0a557 | 776 | |
4bfb96f2 TS |
777 | # define TLSEXT_KEYNAME_LENGTH 16 |
778 | # define TLSEXT_TICK_KEY_LENGTH 32 | |
779 | ||
780 | typedef struct ssl_ctx_ext_secure_st { | |
781 | unsigned char tick_hmac_key[TLSEXT_TICK_KEY_LENGTH]; | |
782 | unsigned char tick_aes_key[TLSEXT_TICK_KEY_LENGTH]; | |
783 | } SSL_CTX_EXT_SECURE; | |
d139723b | 784 | |
a76ce286 P |
785 | /* |
786 | * Helper function for HMAC | |
787 | * The structure should be considered opaque, it will change once the low | |
788 | * level deprecated calls are removed. At that point it can be replaced | |
789 | * by EVP_MAC_CTX and most of the functions converted to macros or inlined | |
790 | * directly. | |
791 | */ | |
792 | typedef struct ssl_hmac_st { | |
793 | EVP_MAC_CTX *ctx; | |
794 | # ifndef OPENSSL_NO_DEPRECATED_3_0 | |
795 | HMAC_CTX *old_ctx; | |
796 | # endif | |
797 | } SSL_HMAC; | |
798 | ||
799 | SSL_HMAC *ssl_hmac_new(const SSL_CTX *ctx); | |
800 | void ssl_hmac_free(SSL_HMAC *ctx); | |
801 | # ifndef OPENSSL_NO_DEPRECATED_3_0 | |
802 | HMAC_CTX *ssl_hmac_get0_HMAC_CTX(SSL_HMAC *ctx); | |
803 | # endif | |
804 | EVP_MAC_CTX *ssl_hmac_get0_EVP_MAC_CTX(SSL_HMAC *ctx); | |
805 | int ssl_hmac_init(SSL_HMAC *ctx, void *key, size_t len, char *md); | |
806 | int ssl_hmac_update(SSL_HMAC *ctx, const unsigned char *data, size_t len); | |
807 | int ssl_hmac_final(SSL_HMAC *ctx, unsigned char *md, size_t *len, | |
808 | size_t max_size); | |
809 | size_t ssl_hmac_size(const SSL_HMAC *ctx); | |
810 | ||
9d2d857f MC |
811 | typedef struct tls_group_info_st { |
812 | char *tlsname; /* Curve Name as in TLS specs */ | |
813 | char *realname; /* Curve Name according to provider */ | |
814 | char *algorithm; /* Algorithm name to fetch */ | |
815 | unsigned int secbits; /* Bits of security (from SP800-57) */ | |
816 | uint16_t group_id; /* Group ID */ | |
817 | int mintls; /* Minimum TLS version, -1 unsupported */ | |
818 | int maxtls; /* Maximum TLS version (or 0 for undefined) */ | |
819 | int mindtls; /* Minimum DTLS version, -1 unsupported */ | |
820 | int maxdtls; /* Maximum DTLS version (or 0 for undefined) */ | |
c1a74f59 | 821 | char is_kem; /* Mode for this Group: 0 is KEX, 1 is KEM */ |
9d2d857f MC |
822 | } TLS_GROUP_INFO; |
823 | ||
824 | /* flags values */ | |
825 | # define TLS_GROUP_TYPE 0x0000000FU /* Mask for group type */ | |
826 | # define TLS_GROUP_CURVE_PRIME 0x00000001U | |
827 | # define TLS_GROUP_CURVE_CHAR2 0x00000002U | |
828 | # define TLS_GROUP_CURVE_CUSTOM 0x00000004U | |
829 | # define TLS_GROUP_FFDHE 0x00000008U | |
830 | # define TLS_GROUP_ONLY_FOR_TLS1_3 0x00000010U | |
831 | ||
832 | # define TLS_GROUP_FFDHE_FOR_TLS1_3 (TLS_GROUP_FFDHE|TLS_GROUP_ONLY_FOR_TLS1_3) | |
833 | ||
b6ba4014 | 834 | struct ssl_ctx_st { |
ba18627e MC |
835 | OPENSSL_CTX *libctx; |
836 | ||
b6ba4014 MC |
837 | const SSL_METHOD *method; |
838 | STACK_OF(SSL_CIPHER) *cipher_list; | |
839 | /* same as above but sorted for lookup */ | |
840 | STACK_OF(SSL_CIPHER) *cipher_list_by_id; | |
f865b081 MC |
841 | /* TLSv1.3 specific ciphersuites */ |
842 | STACK_OF(SSL_CIPHER) *tls13_ciphersuites; | |
b6ba4014 MC |
843 | struct x509_store_st /* X509_STORE */ *cert_store; |
844 | LHASH_OF(SSL_SESSION) *sessions; | |
845 | /* | |
846 | * Most session-ids that will be cached, default is | |
847 | * SSL_SESSION_CACHE_MAX_SIZE_DEFAULT. 0 is unlimited. | |
848 | */ | |
cb150cbc | 849 | size_t session_cache_size; |
b6ba4014 MC |
850 | struct ssl_session_st *session_cache_head; |
851 | struct ssl_session_st *session_cache_tail; | |
852 | /* | |
853 | * This can have one of 2 values, ored together, SSL_SESS_CACHE_CLIENT, | |
854 | * SSL_SESS_CACHE_SERVER, Default is SSL_SESSION_CACHE_SERVER, which | |
6aff543b | 855 | * means only SSL_accept will cache SSL_SESSIONS. |
b6ba4014 | 856 | */ |
f7d53487 | 857 | uint32_t session_cache_mode; |
b6ba4014 MC |
858 | /* |
859 | * If timeout is not 0, it is the default timeout value set when | |
860 | * SSL_new() is called. This has been put in to make life easier to set | |
861 | * things up | |
862 | */ | |
863 | long session_timeout; | |
864 | /* | |
865 | * If this callback is not null, it will be called each time a session id | |
866 | * is added to the cache. If this function returns 1, it means that the | |
867 | * callback will do a SSL_SESSION_free() when it has finished using it. | |
868 | * Otherwise, on 0, it means the callback has finished with it. If | |
869 | * remove_session_cb is not null, it will be called when a session-id is | |
870 | * removed from the cache. After the call, OpenSSL will | |
871 | * SSL_SESSION_free() it. | |
872 | */ | |
873 | int (*new_session_cb) (struct ssl_st *ssl, SSL_SESSION *sess); | |
874 | void (*remove_session_cb) (struct ssl_ctx_st *ctx, SSL_SESSION *sess); | |
875 | SSL_SESSION *(*get_session_cb) (struct ssl_st *ssl, | |
b6981744 EK |
876 | const unsigned char *data, int len, |
877 | int *copy); | |
b6ba4014 | 878 | struct { |
9ef9088c AP |
879 | TSAN_QUALIFIER int sess_connect; /* SSL new conn - started */ |
880 | TSAN_QUALIFIER int sess_connect_renegotiate; /* SSL reneg - requested */ | |
881 | TSAN_QUALIFIER int sess_connect_good; /* SSL new conne/reneg - finished */ | |
882 | TSAN_QUALIFIER int sess_accept; /* SSL new accept - started */ | |
883 | TSAN_QUALIFIER int sess_accept_renegotiate; /* SSL reneg - requested */ | |
884 | TSAN_QUALIFIER int sess_accept_good; /* SSL accept/reneg - finished */ | |
885 | TSAN_QUALIFIER int sess_miss; /* session lookup misses */ | |
886 | TSAN_QUALIFIER int sess_timeout; /* reuse attempt on timeouted session */ | |
887 | TSAN_QUALIFIER int sess_cache_full; /* session removed due to full cache */ | |
888 | TSAN_QUALIFIER int sess_hit; /* session reuse actually done */ | |
889 | TSAN_QUALIFIER int sess_cb_hit; /* session-id that was not in | |
890 | * the cache was passed back via | |
891 | * the callback. This indicates | |
892 | * that the application is | |
893 | * supplying session-id's from | |
894 | * other processes - spooky | |
895 | * :-) */ | |
b6ba4014 MC |
896 | } stats; |
897 | ||
2f545ae4 | 898 | CRYPTO_REF_COUNT references; |
b6ba4014 MC |
899 | |
900 | /* if defined, these override the X509_verify_cert() calls */ | |
901 | int (*app_verify_callback) (X509_STORE_CTX *, void *); | |
902 | void *app_verify_arg; | |
903 | /* | |
904 | * before OpenSSL 0.9.7, 'app_verify_arg' was ignored | |
905 | * ('app_verify_callback' was called with just one argument) | |
906 | */ | |
907 | ||
908 | /* Default password callback. */ | |
909 | pem_password_cb *default_passwd_callback; | |
910 | ||
911 | /* Default password callback user data. */ | |
912 | void *default_passwd_callback_userdata; | |
913 | ||
914 | /* get client cert callback */ | |
915 | int (*client_cert_cb) (SSL *ssl, X509 **x509, EVP_PKEY **pkey); | |
916 | ||
917 | /* cookie generate callback */ | |
918 | int (*app_gen_cookie_cb) (SSL *ssl, unsigned char *cookie, | |
919 | unsigned int *cookie_len); | |
920 | ||
921 | /* verify cookie callback */ | |
31011544 | 922 | int (*app_verify_cookie_cb) (SSL *ssl, const unsigned char *cookie, |
b6ba4014 MC |
923 | unsigned int cookie_len); |
924 | ||
3fa2812f BS |
925 | /* TLS1.3 app-controlled cookie generate callback */ |
926 | int (*gen_stateless_cookie_cb) (SSL *ssl, unsigned char *cookie, | |
927 | size_t *cookie_len); | |
928 | ||
929 | /* TLS1.3 verify app-controlled cookie callback */ | |
930 | int (*verify_stateless_cookie_cb) (SSL *ssl, const unsigned char *cookie, | |
931 | size_t cookie_len); | |
932 | ||
b6ba4014 MC |
933 | CRYPTO_EX_DATA ex_data; |
934 | ||
935 | const EVP_MD *md5; /* For SSLv3/TLSv1 'ssl3-md5' */ | |
c8f6c28a | 936 | const EVP_MD *sha1; /* For SSLv3/TLSv1 'ssl3-sha1' */ |
b6ba4014 MC |
937 | |
938 | STACK_OF(X509) *extra_certs; | |
939 | STACK_OF(SSL_COMP) *comp_methods; /* stack of SSL_COMP, SSLv3/TLSv1 */ | |
940 | ||
941 | /* Default values used when no per-SSL value is defined follow */ | |
942 | ||
943 | /* used if SSL's info_callback is NULL */ | |
944 | void (*info_callback) (const SSL *ssl, int type, int val); | |
945 | ||
fa7c2637 DSH |
946 | /* |
947 | * What we put in certificate_authorities extension for TLS 1.3 | |
948 | * (ClientHello and CertificateRequest) or just client cert requests for | |
98732979 MC |
949 | * earlier versions. If client_ca_names is populated then it is only used |
950 | * for client cert requests, and in preference to ca_names. | |
fa7c2637 DSH |
951 | */ |
952 | STACK_OF(X509_NAME) *ca_names; | |
98732979 | 953 | STACK_OF(X509_NAME) *client_ca_names; |
b6ba4014 MC |
954 | |
955 | /* | |
956 | * Default values to use in SSL structures follow (these are copied by | |
957 | * SSL_new) | |
958 | */ | |
959 | ||
f7d53487 DSH |
960 | uint32_t options; |
961 | uint32_t mode; | |
7946ab33 KR |
962 | int min_proto_version; |
963 | int max_proto_version; | |
12472b45 | 964 | size_t max_cert_list; |
b6ba4014 MC |
965 | |
966 | struct cert_st /* CERT */ *cert; | |
967 | int read_ahead; | |
968 | ||
969 | /* callback that allows applications to peek at protocol messages */ | |
970 | void (*msg_callback) (int write_p, int version, int content_type, | |
971 | const void *buf, size_t len, SSL *ssl, void *arg); | |
972 | void *msg_callback_arg; | |
973 | ||
f7d53487 | 974 | uint32_t verify_mode; |
ec60ccc1 | 975 | size_t sid_ctx_length; |
b6ba4014 MC |
976 | unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH]; |
977 | /* called 'verify_callback' in the SSL */ | |
978 | int (*default_verify_callback) (int ok, X509_STORE_CTX *ctx); | |
979 | ||
980 | /* Default generate session ID callback. */ | |
981 | GEN_SESSION_CB generate_session_id; | |
982 | ||
983 | X509_VERIFY_PARAM *param; | |
984 | ||
985 | int quiet_shutdown; | |
986 | ||
a230b26e EK |
987 | # ifndef OPENSSL_NO_CT |
988 | CTLOG_STORE *ctlog_store; /* CT Log Store */ | |
ed29e82a | 989 | /* |
a230b26e EK |
990 | * Validates that the SCTs (Signed Certificate Timestamps) are sufficient. |
991 | * If they are not, the connection should be aborted. | |
992 | */ | |
43341433 | 993 | ssl_ct_validation_cb ct_validation_callback; |
ed29e82a | 994 | void *ct_validation_callback_arg; |
a230b26e | 995 | # endif |
ed29e82a | 996 | |
d102d9df MC |
997 | /* |
998 | * If we're using more than one pipeline how should we divide the data | |
999 | * up between the pipes? | |
1000 | */ | |
7ee8627f | 1001 | size_t split_send_fragment; |
b6ba4014 MC |
1002 | /* |
1003 | * Maximum amount of data to send in one fragment. actual record size can | |
1004 | * be more than this due to padding and MAC overheads. | |
1005 | */ | |
7ee8627f | 1006 | size_t max_send_fragment; |
b6ba4014 | 1007 | |
d102d9df | 1008 | /* Up to how many pipelines should we use? If 0 then 1 is assumed */ |
7ee8627f | 1009 | size_t max_pipelines; |
d102d9df | 1010 | |
dad78fb1 MC |
1011 | /* The default read buffer length to use (0 means not set) */ |
1012 | size_t default_read_buf_len; | |
1013 | ||
a230b26e | 1014 | # ifndef OPENSSL_NO_ENGINE |
b6ba4014 MC |
1015 | /* |
1016 | * Engine to pass requests for client certs to | |
1017 | */ | |
1018 | ENGINE *client_cert_engine; | |
a230b26e | 1019 | # endif |
b6ba4014 | 1020 | |
a9c0d8be DB |
1021 | /* ClientHello callback. Mostly for extensions, but not entirely. */ |
1022 | SSL_client_hello_cb_fn client_hello_cb; | |
1023 | void *client_hello_cb_arg; | |
6b1bb98f | 1024 | |
aff8c126 RS |
1025 | /* TLS extensions. */ |
1026 | struct { | |
1027 | /* TLS extensions servername callback */ | |
1028 | int (*servername_cb) (SSL *, int *, void *); | |
1029 | void *servername_arg; | |
1030 | /* RFC 4507 session ticket keys */ | |
1031 | unsigned char tick_key_name[TLSEXT_KEYNAME_LENGTH]; | |
4bfb96f2 | 1032 | SSL_CTX_EXT_SECURE *secure; |
a76ce286 | 1033 | # ifndef OPENSSL_NO_DEPRECATED_3_0 |
aff8c126 RS |
1034 | /* Callback to support customisation of ticket key setting */ |
1035 | int (*ticket_key_cb) (SSL *ssl, | |
1036 | unsigned char *name, unsigned char *iv, | |
1037 | EVP_CIPHER_CTX *ectx, HMAC_CTX *hctx, int enc); | |
a76ce286 P |
1038 | #endif |
1039 | int (*ticket_key_evp_cb) (SSL *ssl, | |
1040 | unsigned char *name, unsigned char *iv, | |
1041 | EVP_CIPHER_CTX *ectx, EVP_MAC_CTX *hctx, | |
1042 | int enc); | |
aff8c126 RS |
1043 | |
1044 | /* certificate status request info */ | |
1045 | /* Callback for status request */ | |
1046 | int (*status_cb) (SSL *ssl, void *arg); | |
1047 | void *status_arg; | |
1048 | /* ext status type used for CSR extension (OCSP Stapling) */ | |
1049 | int status_type; | |
cf72c757 F |
1050 | /* RFC 4366 Maximum Fragment Length Negotiation */ |
1051 | uint8_t max_fragment_len_mode; | |
b6ba4014 | 1052 | |
aff8c126 RS |
1053 | # ifndef OPENSSL_NO_EC |
1054 | /* EC extension values inherited by SSL structure */ | |
1055 | size_t ecpointformats_len; | |
1056 | unsigned char *ecpointformats; | |
dbc6268f MC |
1057 | # endif /* OPENSSL_NO_EC */ |
1058 | ||
aff8c126 | 1059 | size_t supportedgroups_len; |
9e84a42d | 1060 | uint16_t *supportedgroups; |
b6ba4014 | 1061 | |
aff8c126 RS |
1062 | /* |
1063 | * ALPN information (we are in the process of transitioning from NPN to | |
1064 | * ALPN.) | |
1065 | */ | |
b6ba4014 MC |
1066 | |
1067 | /*- | |
1068 | * For a server, this contains a callback function that allows the | |
1069 | * server to select the protocol for the connection. | |
1070 | * out: on successful return, this must point to the raw protocol | |
1071 | * name (without the length prefix). | |
1072 | * outlen: on successful return, this contains the length of |*out|. | |
1073 | * in: points to the client's list of supported protocols in | |
1074 | * wire-format. | |
1075 | * inlen: the length of |in|. | |
1076 | */ | |
aff8c126 RS |
1077 | int (*alpn_select_cb) (SSL *s, |
1078 | const unsigned char **out, | |
1079 | unsigned char *outlen, | |
1080 | const unsigned char *in, | |
1081 | unsigned int inlen, void *arg); | |
1082 | void *alpn_select_cb_arg; | |
b6ba4014 | 1083 | |
aff8c126 RS |
1084 | /* |
1085 | * For a client, this contains the list of supported protocols in wire | |
1086 | * format. | |
1087 | */ | |
1088 | unsigned char *alpn; | |
1089 | size_t alpn_len; | |
1090 | ||
e3bc1305 | 1091 | # ifndef OPENSSL_NO_NEXTPROTONEG |
aff8c126 RS |
1092 | /* Next protocol negotiation information */ |
1093 | ||
1094 | /* | |
1095 | * For a server, this contains a callback function by which the set of | |
1096 | * advertised protocols can be provided. | |
1097 | */ | |
8cbfcc70 | 1098 | SSL_CTX_npn_advertised_cb_func npn_advertised_cb; |
aff8c126 RS |
1099 | void *npn_advertised_cb_arg; |
1100 | /* | |
1101 | * For a client, this contains a callback function that selects the next | |
1102 | * protocol from the list provided by the server. | |
1103 | */ | |
8cbfcc70 | 1104 | SSL_CTX_npn_select_cb_func npn_select_cb; |
aff8c126 RS |
1105 | void *npn_select_cb_arg; |
1106 | # endif | |
43054d3d MC |
1107 | |
1108 | unsigned char cookie_hmac_key[SHA256_DIGEST_LENGTH]; | |
aff8c126 RS |
1109 | } ext; |
1110 | ||
1111 | # ifndef OPENSSL_NO_PSK | |
8cbfcc70 RS |
1112 | SSL_psk_client_cb_func psk_client_callback; |
1113 | SSL_psk_server_cb_func psk_server_callback; | |
aff8c126 | 1114 | # endif |
3a7c56b2 | 1115 | SSL_psk_find_session_cb_func psk_find_session_cb; |
9368f865 | 1116 | SSL_psk_use_session_cb_func psk_use_session_cb; |
aff8c126 RS |
1117 | |
1118 | # ifndef OPENSSL_NO_SRP | |
1119 | SRP_CTX srp_ctx; /* ctx for SRP authentication */ | |
1120 | # endif | |
b6ba4014 | 1121 | |
919ba009 VD |
1122 | /* Shared DANE context */ |
1123 | struct dane_ctx_st dane; | |
1124 | ||
1fb6b0bf | 1125 | # ifndef OPENSSL_NO_SRTP |
b6ba4014 MC |
1126 | /* SRTP profiles we are willing to do from RFC 5764 */ |
1127 | STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles; | |
1fb6b0bf | 1128 | # endif |
b6ba4014 MC |
1129 | /* |
1130 | * Callback for disabling session caching and ticket support on a session | |
1131 | * basis, depending on the chosen cipher. | |
1132 | */ | |
1133 | int (*not_resumable_session_cb) (SSL *ssl, int is_forward_secure); | |
ba261f71 | 1134 | |
16203f7b | 1135 | CRYPTO_RWLOCK *lock; |
2faa1b48 CB |
1136 | |
1137 | /* | |
1138 | * Callback for logging key material for use with debugging tools like | |
1139 | * Wireshark. The callback should log `line` followed by a newline. | |
1140 | */ | |
1141 | SSL_CTX_keylog_cb_func keylog_callback; | |
3fc8d856 | 1142 | |
4e8548e8 MC |
1143 | /* |
1144 | * The maximum number of bytes advertised in session tickets that can be | |
1145 | * sent as early data. | |
1146 | */ | |
3fc8d856 | 1147 | uint32_t max_early_data; |
c649d10d | 1148 | |
4e8548e8 MC |
1149 | /* |
1150 | * The maximum number of bytes of early data that a server will tolerate | |
1151 | * (which should be at least as much as max_early_data). | |
1152 | */ | |
1153 | uint32_t recv_max_early_data; | |
1154 | ||
c649d10d TS |
1155 | /* TLS1.3 padding callback */ |
1156 | size_t (*record_padding_cb)(SSL *s, int type, size_t len, void *arg); | |
1157 | void *record_padding_arg; | |
1158 | size_t block_padding; | |
df0fed9a TS |
1159 | |
1160 | /* Session ticket appdata */ | |
1161 | SSL_CTX_generate_session_ticket_fn generate_ticket_cb; | |
1162 | SSL_CTX_decrypt_session_ticket_fn decrypt_ticket_cb; | |
1163 | void *ticket_cb_data; | |
9d0a8bb7 MC |
1164 | |
1165 | /* The number of TLS1.3 tickets to automatically send */ | |
1166 | size_t num_tickets; | |
c9598459 MC |
1167 | |
1168 | /* Callback to determine if early_data is acceptable or not */ | |
1169 | SSL_allow_early_data_cb_fn allow_early_data_cb; | |
1170 | void *allow_early_data_cb_data; | |
e97be718 MC |
1171 | |
1172 | /* Do we advertise Post-handshake auth support? */ | |
1173 | int pha_enabled; | |
9f5a87fd PY |
1174 | |
1175 | /* Callback for SSL async handling */ | |
1176 | SSL_async_callback_fn async_cb; | |
1177 | void *async_cb_arg; | |
ba18627e MC |
1178 | |
1179 | char *propq; | |
c8f6c28a MC |
1180 | |
1181 | const EVP_CIPHER *ssl_cipher_methods[SSL_ENC_NUM_IDX]; | |
1182 | const EVP_MD *ssl_digest_methods[SSL_MD_NUM_IDX]; | |
1183 | size_t ssl_mac_secret_size[SSL_MD_NUM_IDX]; | |
263ff2c9 MC |
1184 | |
1185 | /* Cache of all sigalgs we know and whether they are available or not */ | |
1186 | struct sigalg_lookup_st *sigalg_lookup_cache; | |
9d2d857f MC |
1187 | |
1188 | TLS_GROUP_INFO *group_list; | |
1189 | size_t group_list_len; | |
1190 | size_t group_list_max_len; | |
b6ba4014 MC |
1191 | }; |
1192 | ||
555cbb32 TS |
1193 | typedef struct cert_pkey_st CERT_PKEY; |
1194 | ||
b6ba4014 MC |
1195 | struct ssl_st { |
1196 | /* | |
1197 | * protocol version (one of SSL2_VERSION, SSL3_VERSION, TLS1_VERSION, | |
1198 | * DTLS1_VERSION) | |
1199 | */ | |
1200 | int version; | |
b6ba4014 MC |
1201 | /* SSLv3 */ |
1202 | const SSL_METHOD *method; | |
1203 | /* | |
1204 | * There are 2 BIO's even though they are normally both the same. This | |
1205 | * is so data can be read and written to different handlers | |
1206 | */ | |
1207 | /* used by SSL_read */ | |
1208 | BIO *rbio; | |
1209 | /* used by SSL_write */ | |
1210 | BIO *wbio; | |
1211 | /* used during session-id reuse to concatenate messages */ | |
1212 | BIO *bbio; | |
1213 | /* | |
1214 | * This holds a variable that indicates what we were doing when a 0 or -1 | |
1215 | * is returned. This is needed for non-blocking IO so we know what | |
1216 | * request needs re-doing when in SSL_accept or SSL_connect | |
1217 | */ | |
1218 | int rwstate; | |
b6ba4014 MC |
1219 | int (*handshake_func) (SSL *); |
1220 | /* | |
1221 | * Imagine that here's a boolean member "init" that is switched as soon | |
1222 | * as SSL_set_{accept/connect}_state is called for the first time, so | |
1223 | * that "state" and "handshake_func" are properly initialized. But as | |
1224 | * handshake_func is == 0 until then, we use this test instead of an | |
1225 | * "init" member. | |
1226 | */ | |
23a635c0 | 1227 | /* are we the server side? */ |
b6ba4014 MC |
1228 | int server; |
1229 | /* | |
1230 | * Generate a new session or reuse an old one. | |
1231 | * NB: For servers, the 'new' session may actually be a previously | |
1232 | * cached session or even the previous session unless | |
1233 | * SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION is set | |
1234 | */ | |
1235 | int new_session; | |
1236 | /* don't send shutdown packets */ | |
1237 | int quiet_shutdown; | |
1238 | /* we have shut things down, 0x01 sent, 0x02 for received */ | |
1239 | int shutdown; | |
1240 | /* where we are */ | |
d6f1a6e9 | 1241 | OSSL_STATEM statem; |
49e7fe12 | 1242 | SSL_EARLY_DATA_STATE early_data_state; |
b6ba4014 MC |
1243 | BUF_MEM *init_buf; /* buffer used during init */ |
1244 | void *init_msg; /* pointer to handshake message body, set by | |
1245 | * ssl3_get_message() */ | |
eda75751 MC |
1246 | size_t init_num; /* amount read/written */ |
1247 | size_t init_off; /* amount read/written */ | |
555cbb32 TS |
1248 | |
1249 | struct { | |
1250 | long flags; | |
1251 | size_t read_mac_secret_size; | |
1252 | unsigned char read_mac_secret[EVP_MAX_MD_SIZE]; | |
1253 | size_t write_mac_secret_size; | |
1254 | unsigned char write_mac_secret[EVP_MAX_MD_SIZE]; | |
1255 | unsigned char server_random[SSL3_RANDOM_SIZE]; | |
1256 | unsigned char client_random[SSL3_RANDOM_SIZE]; | |
1257 | /* flags for countermeasure against known-IV weakness */ | |
1258 | int need_empty_fragments; | |
1259 | int empty_fragment_done; | |
1260 | /* used during startup, digest all incoming/outgoing packets */ | |
1261 | BIO *handshake_buffer; | |
1262 | /* | |
1263 | * When handshake digest is determined, buffer is hashed and | |
1264 | * freed and MD_CTX for the required digest is stored here. | |
1265 | */ | |
1266 | EVP_MD_CTX *handshake_dgst; | |
1267 | /* | |
1268 | * Set whenever an expected ChangeCipherSpec message is processed. | |
1269 | * Unset when the peer's Finished message is received. | |
1270 | * Unexpected ChangeCipherSpec messages trigger a fatal alert. | |
1271 | */ | |
1272 | int change_cipher_spec; | |
1273 | int warn_alert; | |
1274 | int fatal_alert; | |
1275 | /* | |
1276 | * we allow one fatal and one warning alert to be outstanding, send close | |
1277 | * alert via the warning alert | |
1278 | */ | |
1279 | int alert_dispatch; | |
1280 | unsigned char send_alert[2]; | |
1281 | /* | |
1282 | * This flag is set when we should renegotiate ASAP, basically when there | |
1283 | * is no more data in the read or write buffers | |
1284 | */ | |
1285 | int renegotiate; | |
1286 | int total_renegotiations; | |
1287 | int num_renegotiations; | |
1288 | int in_read_app_data; | |
1289 | struct { | |
1290 | /* actually only need to be 16+20 for SSLv3 and 12 for TLS */ | |
1291 | unsigned char finish_md[EVP_MAX_MD_SIZE * 2]; | |
1292 | size_t finish_md_len; | |
1293 | unsigned char peer_finish_md[EVP_MAX_MD_SIZE * 2]; | |
1294 | size_t peer_finish_md_len; | |
1295 | size_t message_size; | |
1296 | int message_type; | |
1297 | /* used to hold the new cipher we are going to use */ | |
1298 | const SSL_CIPHER *new_cipher; | |
1299 | # if !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_DH) | |
1300 | EVP_PKEY *pkey; /* holds short lived DH/ECDH key */ | |
1301 | # endif | |
1302 | /* used for certificate requests */ | |
1303 | int cert_req; | |
1304 | /* Certificate types in certificate request message. */ | |
1305 | uint8_t *ctype; | |
1306 | size_t ctype_len; | |
1307 | /* Certificate authorities list peer sent */ | |
1308 | STACK_OF(X509_NAME) *peer_ca_names; | |
1309 | size_t key_block_length; | |
1310 | unsigned char *key_block; | |
1311 | const EVP_CIPHER *new_sym_enc; | |
1312 | const EVP_MD *new_hash; | |
1313 | int new_mac_pkey_type; | |
1314 | size_t new_mac_secret_size; | |
1315 | # ifndef OPENSSL_NO_COMP | |
1316 | const SSL_COMP *new_compression; | |
1317 | # else | |
1318 | char *new_compression; | |
1319 | # endif | |
1320 | int cert_request; | |
1321 | /* Raw values of the cipher list from a client */ | |
1322 | unsigned char *ciphers_raw; | |
1323 | size_t ciphers_rawlen; | |
1324 | /* Temporary storage for premaster secret */ | |
1325 | unsigned char *pms; | |
1326 | size_t pmslen; | |
1327 | # ifndef OPENSSL_NO_PSK | |
1328 | /* Temporary storage for PSK key */ | |
1329 | unsigned char *psk; | |
1330 | size_t psklen; | |
1331 | # endif | |
1332 | /* Signature algorithm we actually use */ | |
1333 | const struct sigalg_lookup_st *sigalg; | |
1334 | /* Pointer to certificate we use */ | |
1335 | CERT_PKEY *cert; | |
1336 | /* | |
1337 | * signature algorithms peer reports: e.g. supported signature | |
1338 | * algorithms extension for server or as part of a certificate | |
1339 | * request for client. | |
1340 | * Keep track of the algorithms for TLS and X.509 usage separately. | |
1341 | */ | |
1342 | uint16_t *peer_sigalgs; | |
1343 | uint16_t *peer_cert_sigalgs; | |
1344 | /* Size of above arrays */ | |
1345 | size_t peer_sigalgslen; | |
1346 | size_t peer_cert_sigalgslen; | |
1347 | /* Sigalg peer actually uses */ | |
1348 | const struct sigalg_lookup_st *peer_sigalg; | |
1349 | /* | |
1350 | * Set if corresponding CERT_PKEY can be used with current | |
1351 | * SSL session: e.g. appropriate curve, signature algorithms etc. | |
1352 | * If zero it can't be used at all. | |
1353 | */ | |
1354 | uint32_t valid_flags[SSL_PKEY_NUM]; | |
1355 | /* | |
1356 | * For servers the following masks are for the key and auth algorithms | |
1357 | * that are supported by the certs below. For clients they are masks of | |
1358 | * *disabled* algorithms based on the current session. | |
1359 | */ | |
1360 | uint32_t mask_k; | |
1361 | uint32_t mask_a; | |
1362 | /* | |
1363 | * The following are used by the client to see if a cipher is allowed or | |
1364 | * not. It contains the minimum and maximum version the client's using | |
1365 | * based on what it knows so far. | |
1366 | */ | |
1367 | int min_ver; | |
1368 | int max_ver; | |
1369 | } tmp; | |
1370 | ||
1371 | /* Connection binding to prevent renegotiation attacks */ | |
1372 | unsigned char previous_client_finished[EVP_MAX_MD_SIZE]; | |
1373 | size_t previous_client_finished_len; | |
1374 | unsigned char previous_server_finished[EVP_MAX_MD_SIZE]; | |
1375 | size_t previous_server_finished_len; | |
1376 | int send_connection_binding; /* TODOEKR */ | |
1377 | ||
1378 | # ifndef OPENSSL_NO_NEXTPROTONEG | |
1379 | /* | |
1380 | * Set if we saw the Next Protocol Negotiation extension from our peer. | |
1381 | */ | |
1382 | int npn_seen; | |
1383 | # endif | |
1384 | ||
1385 | /* | |
1386 | * ALPN information (we are in the process of transitioning from NPN to | |
1387 | * ALPN.) | |
1388 | */ | |
1389 | ||
1390 | /* | |
1391 | * In a server these point to the selected ALPN protocol after the | |
1392 | * ClientHello has been processed. In a client these contain the protocol | |
1393 | * that the server selected once the ServerHello has been processed. | |
1394 | */ | |
1395 | unsigned char *alpn_selected; | |
1396 | size_t alpn_selected_len; | |
1397 | /* used by the server to know what options were proposed */ | |
1398 | unsigned char *alpn_proposed; | |
1399 | size_t alpn_proposed_len; | |
1400 | /* used by the client to know if it actually sent alpn */ | |
1401 | int alpn_sent; | |
1402 | ||
1403 | # ifndef OPENSSL_NO_EC | |
1404 | /* | |
1405 | * This is set to true if we believe that this is a version of Safari | |
1406 | * running on OS X 10.6 or newer. We wish to know this because Safari on | |
1407 | * 10.8 .. 10.8.3 has broken ECDHE-ECDSA support. | |
1408 | */ | |
1409 | char is_probably_safari; | |
1410 | # endif /* !OPENSSL_NO_EC */ | |
1411 | ||
1412 | /* For clients: peer temporary key */ | |
1413 | # if !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_DH) | |
1414 | /* The group_id for the DH/ECDH key */ | |
1415 | uint16_t group_id; | |
1416 | EVP_PKEY *peer_tmp; | |
1417 | # endif | |
1418 | ||
1419 | } s3; | |
1420 | ||
b6ba4014 | 1421 | struct dtls1_state_st *d1; /* DTLSv1 variables */ |
b6ba4014 MC |
1422 | /* callback that allows applications to peek at protocol messages */ |
1423 | void (*msg_callback) (int write_p, int version, int content_type, | |
1424 | const void *buf, size_t len, SSL *ssl, void *arg); | |
1425 | void *msg_callback_arg; | |
1426 | int hit; /* reusing a previous session */ | |
1427 | X509_VERIFY_PARAM *param; | |
919ba009 | 1428 | /* Per connection DANE state */ |
b9aec69a | 1429 | SSL_DANE dane; |
b6ba4014 | 1430 | /* crypto */ |
eee2a6a7 | 1431 | STACK_OF(SSL_CIPHER) *peer_ciphers; |
b6ba4014 MC |
1432 | STACK_OF(SSL_CIPHER) *cipher_list; |
1433 | STACK_OF(SSL_CIPHER) *cipher_list_by_id; | |
f865b081 MC |
1434 | /* TLSv1.3 specific ciphersuites */ |
1435 | STACK_OF(SSL_CIPHER) *tls13_ciphersuites; | |
b6ba4014 MC |
1436 | /* |
1437 | * These are the ones being used, the ones in SSL_SESSION are the ones to | |
1438 | * be 'copied' into these ones | |
1439 | */ | |
f7d53487 | 1440 | uint32_t mac_flags; |
34574f19 | 1441 | /* |
4ff1a526 | 1442 | * The TLS1.3 secrets. |
34574f19 MC |
1443 | */ |
1444 | unsigned char early_secret[EVP_MAX_MD_SIZE]; | |
1445 | unsigned char handshake_secret[EVP_MAX_MD_SIZE]; | |
ec15acb6 | 1446 | unsigned char master_secret[EVP_MAX_MD_SIZE]; |
4ff1a526 | 1447 | unsigned char resumption_master_secret[EVP_MAX_MD_SIZE]; |
6484776f MC |
1448 | unsigned char client_finished_secret[EVP_MAX_MD_SIZE]; |
1449 | unsigned char server_finished_secret[EVP_MAX_MD_SIZE]; | |
ace081c1 | 1450 | unsigned char server_finished_hash[EVP_MAX_MD_SIZE]; |
fe5e20fd | 1451 | unsigned char handshake_traffic_hash[EVP_MAX_MD_SIZE]; |
57389a32 MC |
1452 | unsigned char client_app_traffic_secret[EVP_MAX_MD_SIZE]; |
1453 | unsigned char server_app_traffic_secret[EVP_MAX_MD_SIZE]; | |
0ca8d1ec | 1454 | unsigned char exporter_master_secret[EVP_MAX_MD_SIZE]; |
b38ede80 | 1455 | unsigned char early_exporter_master_secret[EVP_MAX_MD_SIZE]; |
b6ba4014 | 1456 | EVP_CIPHER_CTX *enc_read_ctx; /* cryptographic state */ |
bebc0c7d | 1457 | unsigned char read_iv[EVP_MAX_IV_LENGTH]; /* TLSv1.3 static read IV */ |
b6ba4014 | 1458 | EVP_MD_CTX *read_hash; /* used for mac generation */ |
9a555706 | 1459 | COMP_CTX *compress; /* compression */ |
b6ba4014 | 1460 | COMP_CTX *expand; /* uncompress */ |
b6ba4014 | 1461 | EVP_CIPHER_CTX *enc_write_ctx; /* cryptographic state */ |
bebc0c7d | 1462 | unsigned char write_iv[EVP_MAX_IV_LENGTH]; /* TLSv1.3 static write IV */ |
b6ba4014 | 1463 | EVP_MD_CTX *write_hash; /* used for mac generation */ |
b6ba4014 MC |
1464 | /* session info */ |
1465 | /* client cert? */ | |
1466 | /* This is used to hold the server certificate used */ | |
1467 | struct cert_st /* CERT */ *cert; | |
2c5dfdc3 MC |
1468 | |
1469 | /* | |
1470 | * The hash of all messages prior to the CertificateVerify, and the length | |
1471 | * of that hash. | |
1472 | */ | |
1473 | unsigned char cert_verify_hash[EVP_MAX_MD_SIZE]; | |
1474 | size_t cert_verify_hash_len; | |
1475 | ||
7d061fce | 1476 | /* Flag to indicate whether we should send a HelloRetryRequest or not */ |
fc7129dc MC |
1477 | enum {SSL_HRR_NONE = 0, SSL_HRR_PENDING, SSL_HRR_COMPLETE} |
1478 | hello_retry_request; | |
7d061fce | 1479 | |
b6ba4014 MC |
1480 | /* |
1481 | * the session_id_context is used to ensure sessions are only reused in | |
1482 | * the appropriate context | |
1483 | */ | |
ec60ccc1 | 1484 | size_t sid_ctx_length; |
b6ba4014 MC |
1485 | unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH]; |
1486 | /* This can also be in the session once a session is established */ | |
1487 | SSL_SESSION *session; | |
9368f865 MC |
1488 | /* TLSv1.3 PSK session */ |
1489 | SSL_SESSION *psksession; | |
add8d0e9 MC |
1490 | unsigned char *psksession_id; |
1491 | size_t psksession_id_len; | |
b6ba4014 MC |
1492 | /* Default generate session ID callback. */ |
1493 | GEN_SESSION_CB generate_session_id; | |
a5816a5a MC |
1494 | /* |
1495 | * The temporary TLSv1.3 session id. This isn't really a session id at all | |
1496 | * but is a random value sent in the legacy session id field. | |
1497 | */ | |
1498 | unsigned char tmp_session_id[SSL_MAX_SSL_SESSION_ID_LENGTH]; | |
1499 | size_t tmp_session_id_len; | |
b6ba4014 MC |
1500 | /* Used in SSL3 */ |
1501 | /* | |
1502 | * 0 don't care about verify failure. | |
1503 | * 1 fail if verify fails | |
1504 | */ | |
f7d53487 | 1505 | uint32_t verify_mode; |
b6ba4014 MC |
1506 | /* fail if callback returns 0 */ |
1507 | int (*verify_callback) (int ok, X509_STORE_CTX *ctx); | |
1508 | /* optional informational callback */ | |
1509 | void (*info_callback) (const SSL *ssl, int type, int val); | |
1510 | /* error bytes to be written */ | |
1511 | int error; | |
1512 | /* actual code */ | |
1513 | int error_code; | |
a230b26e | 1514 | # ifndef OPENSSL_NO_PSK |
8cbfcc70 RS |
1515 | SSL_psk_client_cb_func psk_client_callback; |
1516 | SSL_psk_server_cb_func psk_server_callback; | |
a230b26e | 1517 | # endif |
3a7c56b2 | 1518 | SSL_psk_find_session_cb_func psk_find_session_cb; |
9368f865 | 1519 | SSL_psk_use_session_cb_func psk_use_session_cb; |
5d263fb7 | 1520 | |
b6ba4014 | 1521 | SSL_CTX *ctx; |
696178ed DSH |
1522 | /* Verified chain of peer */ |
1523 | STACK_OF(X509) *verified_chain; | |
b6ba4014 | 1524 | long verify_result; |
696178ed | 1525 | /* extra application data */ |
b6ba4014 | 1526 | CRYPTO_EX_DATA ex_data; |
98732979 MC |
1527 | /* |
1528 | * What we put in certificate_authorities extension for TLS 1.3 | |
1529 | * (ClientHello and CertificateRequest) or just client cert requests for | |
1530 | * earlier versions. If client_ca_names is populated then it is only used | |
1531 | * for client cert requests, and in preference to ca_names. | |
1532 | */ | |
fa7c2637 | 1533 | STACK_OF(X509_NAME) *ca_names; |
98732979 | 1534 | STACK_OF(X509_NAME) *client_ca_names; |
2f545ae4 | 1535 | CRYPTO_REF_COUNT references; |
b6ba4014 | 1536 | /* protocol behaviour */ |
f7d53487 | 1537 | uint32_t options; |
b6ba4014 | 1538 | /* API behaviour */ |
f7d53487 | 1539 | uint32_t mode; |
7946ab33 KR |
1540 | int min_proto_version; |
1541 | int max_proto_version; | |
12472b45 | 1542 | size_t max_cert_list; |
b6ba4014 | 1543 | int first_packet; |
7acb8b64 MC |
1544 | /* |
1545 | * What was passed in ClientHello.legacy_version. Used for RSA pre-master | |
1546 | * secret and SSLv3/TLS (<=1.2) rollback check | |
1547 | */ | |
b6ba4014 | 1548 | int client_version; |
d102d9df MC |
1549 | /* |
1550 | * If we're using more than one pipeline how should we divide the data | |
1551 | * up between the pipes? | |
1552 | */ | |
7ee8627f | 1553 | size_t split_send_fragment; |
d102d9df MC |
1554 | /* |
1555 | * Maximum amount of data to send in one fragment. actual record size can | |
1556 | * be more than this due to padding and MAC overheads. | |
1557 | */ | |
7ee8627f | 1558 | size_t max_send_fragment; |
d102d9df | 1559 | /* Up to how many pipelines should we use? If 0 then 1 is assumed */ |
7ee8627f | 1560 | size_t max_pipelines; |
aff8c126 RS |
1561 | |
1562 | struct { | |
b186a592 MC |
1563 | /* Built-in extension flags */ |
1564 | uint8_t extflags[TLSEXT_IDX_num_builtins]; | |
aff8c126 | 1565 | /* TLS extension debug callback */ |
1ed327f7 RS |
1566 | void (*debug_cb)(SSL *s, int client_server, int type, |
1567 | const unsigned char *data, int len, void *arg); | |
aff8c126 RS |
1568 | void *debug_arg; |
1569 | char *hostname; | |
1570 | /* certificate status request info */ | |
1571 | /* Status type or -1 if no status type */ | |
1572 | int status_type; | |
1573 | /* Raw extension data, if seen */ | |
1574 | unsigned char *scts; | |
1575 | /* Length of raw extension data, if seen */ | |
1576 | uint16_t scts_len; | |
1577 | /* Expect OCSP CertificateStatus message */ | |
1578 | int status_expected; | |
1579 | ||
1580 | struct { | |
1581 | /* OCSP status request only */ | |
1582 | STACK_OF(OCSP_RESPID) *ids; | |
1583 | X509_EXTENSIONS *exts; | |
1584 | /* OCSP response received or to be sent */ | |
1585 | unsigned char *resp; | |
1586 | size_t resp_len; | |
1587 | } ocsp; | |
1588 | ||
1589 | /* RFC4507 session ticket expected to be received or sent */ | |
1590 | int ticket_expected; | |
35774d55 BK |
1591 | /* TLS 1.3 tickets requested by the application. */ |
1592 | int extra_tickets_expected; | |
aff8c126 RS |
1593 | # ifndef OPENSSL_NO_EC |
1594 | size_t ecpointformats_len; | |
1595 | /* our list */ | |
1596 | unsigned char *ecpointformats; | |
cd0fb43c MC |
1597 | |
1598 | size_t peer_ecpointformats_len; | |
1599 | /* peer's list */ | |
1600 | unsigned char *peer_ecpointformats; | |
f9df0a77 | 1601 | # endif /* OPENSSL_NO_EC */ |
aff8c126 RS |
1602 | size_t supportedgroups_len; |
1603 | /* our list */ | |
9e84a42d | 1604 | uint16_t *supportedgroups; |
45436e61 MC |
1605 | |
1606 | size_t peer_supportedgroups_len; | |
1607 | /* peer's list */ | |
1608 | uint16_t *peer_supportedgroups; | |
1609 | ||
aff8c126 RS |
1610 | /* TLS Session Ticket extension override */ |
1611 | TLS_SESSION_TICKET_EXT *session_ticket; | |
1612 | /* TLS Session Ticket extension callback */ | |
1613 | tls_session_ticket_ext_cb_fn session_ticket_cb; | |
1614 | void *session_ticket_cb_arg; | |
1615 | /* TLS pre-shared secret session resumption */ | |
1616 | tls_session_secret_cb_fn session_secret_cb; | |
1617 | void *session_secret_cb_arg; | |
1618 | /* | |
1619 | * For a client, this contains the list of supported protocols in wire | |
1620 | * format. | |
1621 | */ | |
1622 | unsigned char *alpn; | |
1623 | size_t alpn_len; | |
1624 | /* | |
1625 | * Next protocol negotiation. For the client, this is the protocol that | |
1626 | * we sent in NextProtocol and is set when handling ServerHello | |
1627 | * extensions. For a server, this is the client's selected_protocol from | |
1628 | * NextProtocol and is set when handling the NextProtocol message, before | |
1629 | * the Finished message. | |
1630 | */ | |
1631 | unsigned char *npn; | |
1632 | size_t npn_len; | |
b2f7e8c0 | 1633 | |
4086b42b | 1634 | /* The available PSK key exchange modes */ |
b2f7e8c0 | 1635 | int psk_kex_mode; |
28a31a0a MC |
1636 | |
1637 | /* Set to one if we have negotiated ETM */ | |
1638 | int use_etm; | |
0a87d0ac | 1639 | |
1ea4d09a MC |
1640 | /* Are we expecting to receive early data? */ |
1641 | int early_data; | |
2c604cb9 MC |
1642 | /* Is the session suitable for early data? */ |
1643 | int early_data_ok; | |
cfef5027 MC |
1644 | |
1645 | /* May be sent by a server in HRR. Must be echoed back in ClientHello */ | |
1646 | unsigned char *tls13_cookie; | |
1647 | size_t tls13_cookie_len; | |
c36001c3 MC |
1648 | /* Have we received a cookie from the client? */ |
1649 | int cookieok; | |
1650 | ||
cf72c757 F |
1651 | /* |
1652 | * Maximum Fragment Length as per RFC 4366. | |
1653 | * If this member contains one of the allowed values (1-4) | |
1654 | * then we should include Maximum Fragment Length Negotiation | |
1655 | * extension in Client Hello. | |
1656 | * Please note that value of this member does not have direct | |
1657 | * effect. The actual (binding) value is stored in SSL_SESSION, | |
1658 | * as this extension is optional on server side. | |
1659 | */ | |
1660 | uint8_t max_fragment_len_mode; | |
c96ce52c MC |
1661 | |
1662 | /* | |
1663 | * On the client side the number of ticket identities we sent in the | |
1664 | * ClientHello. On the server side the identity of the ticket we | |
1665 | * selected. | |
1666 | */ | |
1667 | int tick_identity; | |
aff8c126 RS |
1668 | } ext; |
1669 | ||
a9c0d8be DB |
1670 | /* |
1671 | * Parsed form of the ClientHello, kept around across client_hello_cb | |
1672 | * calls. | |
1673 | */ | |
6b1bb98f BK |
1674 | CLIENTHELLO_MSG *clienthello; |
1675 | ||
b6ba4014 MC |
1676 | /*- |
1677 | * no further mod of servername | |
1678 | * 0 : call the servername extension callback. | |
1679 | * 1 : prepare 2, allow last ack just after in server callback. | |
1680 | * 2 : don't call servername callback, no ack in server hello | |
1681 | */ | |
1682 | int servername_done; | |
a230b26e | 1683 | # ifndef OPENSSL_NO_CT |
ed29e82a | 1684 | /* |
a230b26e EK |
1685 | * Validates that the SCTs (Signed Certificate Timestamps) are sufficient. |
1686 | * If they are not, the connection should be aborted. | |
1687 | */ | |
43341433 | 1688 | ssl_ct_validation_cb ct_validation_callback; |
48722ff5 | 1689 | /* User-supplied argument that is passed to the ct_validation_callback */ |
ed29e82a RP |
1690 | void *ct_validation_callback_arg; |
1691 | /* | |
1692 | * Consolidated stack of SCTs from all sources. | |
1693 | * Lazily populated by CT_get_peer_scts(SSL*) | |
1694 | */ | |
1695 | STACK_OF(SCT) *scts; | |
ed29e82a RP |
1696 | /* Have we attempted to find/parse SCTs yet? */ |
1697 | int scts_parsed; | |
a230b26e | 1698 | # endif |
222da979 | 1699 | SSL_CTX *session_ctx; /* initial ctx, used to store sessions */ |
1fb6b0bf | 1700 | # ifndef OPENSSL_NO_SRTP |
b6ba4014 MC |
1701 | /* What we'll do */ |
1702 | STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles; | |
1703 | /* What's been chosen */ | |
1704 | SRTP_PROTECTION_PROFILE *srtp_profile; | |
1fb6b0bf | 1705 | # endif |
b6ba4014 MC |
1706 | /*- |
1707 | * 1 if we are renegotiating. | |
1708 | * 2 if we are a server and are inside a handshake | |
1709 | * (i.e. not just sending a HelloRequest) | |
1710 | */ | |
1711 | int renegotiate; | |
44c04a2e | 1712 | /* If sending a KeyUpdate is pending */ |
4fbfe86a | 1713 | int key_update; |
9d75dce3 TS |
1714 | /* Post-handshake authentication state */ |
1715 | SSL_PHA_STATE post_handshake_auth; | |
32097b33 | 1716 | int pha_enabled; |
9d75dce3 TS |
1717 | uint8_t* pha_context; |
1718 | size_t pha_context_len; | |
1719 | int certreqs_sent; | |
1720 | EVP_MD_CTX *pha_dgst; /* this is just the digest through ClientFinished */ | |
1721 | ||
a230b26e | 1722 | # ifndef OPENSSL_NO_SRP |
b6ba4014 MC |
1723 | /* ctx for SRP authentication */ |
1724 | SRP_CTX srp_ctx; | |
a230b26e | 1725 | # endif |
b6ba4014 MC |
1726 | /* |
1727 | * Callback for disabling session caching and ticket support on a session | |
1728 | * basis, depending on the chosen cipher. | |
1729 | */ | |
1730 | int (*not_resumable_session_cb) (SSL *ssl, int is_forward_secure); | |
28d59af8 | 1731 | RECORD_LAYER rlayer; |
a974e64a MC |
1732 | /* Default password callback. */ |
1733 | pem_password_cb *default_passwd_callback; | |
a974e64a MC |
1734 | /* Default password callback user data. */ |
1735 | void *default_passwd_callback_userdata; | |
07bbc92c MC |
1736 | /* Async Job info */ |
1737 | ASYNC_JOB *job; | |
ff75a257 | 1738 | ASYNC_WAIT_CTX *waitctx; |
7ee8627f | 1739 | size_t asyncrw; |
eda75751 | 1740 | |
4e8548e8 MC |
1741 | /* |
1742 | * The maximum number of bytes advertised in session tickets that can be | |
1743 | * sent as early data. | |
1744 | */ | |
3fc8d856 | 1745 | uint32_t max_early_data; |
4e8548e8 MC |
1746 | /* |
1747 | * The maximum number of bytes of early data that a server will tolerate | |
1748 | * (which should be at least as much as max_early_data). | |
1749 | */ | |
1750 | uint32_t recv_max_early_data; | |
1751 | ||
70ef40a0 MC |
1752 | /* |
1753 | * The number of bytes of early data received so far. If we accepted early | |
1754 | * data then this is a count of the plaintext bytes. If we rejected it then | |
1755 | * this is a count of the ciphertext bytes. | |
1756 | */ | |
1757 | uint32_t early_data_count; | |
3fc8d856 | 1758 | |
c649d10d TS |
1759 | /* TLS1.3 padding callback */ |
1760 | size_t (*record_padding_cb)(SSL *s, int type, size_t len, void *arg); | |
1761 | void *record_padding_arg; | |
1762 | size_t block_padding; | |
1763 | ||
16203f7b | 1764 | CRYPTO_RWLOCK *lock; |
9d0a8bb7 MC |
1765 | |
1766 | /* The number of TLS1.3 tickets to automatically send */ | |
1767 | size_t num_tickets; | |
1768 | /* The number of TLS1.3 tickets actually sent so far */ | |
1769 | size_t sent_tickets; | |
4ff1a526 MC |
1770 | /* The next nonce value to use when we send a ticket on this connection */ |
1771 | uint64_t next_ticket_nonce; | |
c9598459 MC |
1772 | |
1773 | /* Callback to determine if early_data is acceptable or not */ | |
1774 | SSL_allow_early_data_cb_fn allow_early_data_cb; | |
1775 | void *allow_early_data_cb_data; | |
9f5a87fd PY |
1776 | |
1777 | /* Callback for SSL async handling */ | |
1778 | SSL_async_callback_fn async_cb; | |
1779 | void *async_cb_arg; | |
29948ac8 BK |
1780 | |
1781 | /* | |
1782 | * Signature algorithms shared by client and server: cached because these | |
1783 | * are used most often. | |
1784 | */ | |
1785 | const struct sigalg_lookup_st **shared_sigalgs; | |
1786 | size_t shared_sigalgslen; | |
b6ba4014 MC |
1787 | }; |
1788 | ||
f742cda8 DSH |
1789 | /* |
1790 | * Structure containing table entry of values associated with the signature | |
1791 | * algorithms (signature scheme) extension | |
1792 | */ | |
1793 | typedef struct sigalg_lookup_st { | |
1794 | /* TLS 1.3 signature scheme name */ | |
1795 | const char *name; | |
1796 | /* Raw value used in extension */ | |
1797 | uint16_t sigalg; | |
3d234c9e | 1798 | /* NID of hash algorithm or NID_undef if no hash */ |
f742cda8 | 1799 | int hash; |
3d234c9e | 1800 | /* Index of hash algorithm or -1 if no hash algorithm */ |
17ae384e | 1801 | int hash_idx; |
f742cda8 DSH |
1802 | /* NID of signature algorithm */ |
1803 | int sig; | |
17ae384e DSH |
1804 | /* Index of signature algorithm */ |
1805 | int sig_idx; | |
f742cda8 DSH |
1806 | /* Combined hash and signature NID, if any */ |
1807 | int sigandhash; | |
1808 | /* Required public key curve (ECDSA only) */ | |
1809 | int curve; | |
263ff2c9 MC |
1810 | /* Whether this signature algorithm is actually available for use */ |
1811 | int enabled; | |
f742cda8 DSH |
1812 | } SIGALG_LOOKUP; |
1813 | ||
c04cd728 DSH |
1814 | /* |
1815 | * Structure containing table entry of certificate info corresponding to | |
1816 | * CERT_PKEY entries | |
1817 | */ | |
1818 | typedef struct { | |
ee215c7e | 1819 | int nid; /* NID of public key algorithm */ |
c04cd728 DSH |
1820 | uint32_t amask; /* authmask corresponding to key type */ |
1821 | } SSL_CERT_LOOKUP; | |
1822 | ||
b6ba4014 MC |
1823 | /* DTLS structures */ |
1824 | ||
a230b26e EK |
1825 | # ifndef OPENSSL_NO_SCTP |
1826 | # define DTLS1_SCTP_AUTH_LABEL "EXPORTER_DTLS_OVER_SCTP" | |
1827 | # endif | |
b6ba4014 MC |
1828 | |
1829 | /* Max MTU overhead we know about so far is 40 for IPv6 + 8 for UDP */ | |
a230b26e | 1830 | # define DTLS1_MAX_MTU_OVERHEAD 48 |
b6ba4014 | 1831 | |
e3d0dae7 MC |
1832 | /* |
1833 | * Flag used in message reuse to indicate the buffer contains the record | |
436ad81f | 1834 | * header as well as the handshake message header. |
e3d0dae7 | 1835 | */ |
a230b26e | 1836 | # define DTLS1_SKIP_RECORD_HEADER 2 |
e3d0dae7 | 1837 | |
b6ba4014 MC |
1838 | struct dtls1_retransmit_state { |
1839 | EVP_CIPHER_CTX *enc_write_ctx; /* cryptographic state */ | |
1840 | EVP_MD_CTX *write_hash; /* used for mac generation */ | |
b6ba4014 | 1841 | COMP_CTX *compress; /* compression */ |
b6ba4014 MC |
1842 | SSL_SESSION *session; |
1843 | unsigned short epoch; | |
1844 | }; | |
1845 | ||
1846 | struct hm_header_st { | |
1847 | unsigned char type; | |
7ee8627f | 1848 | size_t msg_len; |
b6ba4014 | 1849 | unsigned short seq; |
7ee8627f MC |
1850 | size_t frag_off; |
1851 | size_t frag_len; | |
b6ba4014 MC |
1852 | unsigned int is_ccs; |
1853 | struct dtls1_retransmit_state saved_retransmit_state; | |
1854 | }; | |
1855 | ||
b6ba4014 MC |
1856 | struct dtls1_timeout_st { |
1857 | /* Number of read timeouts so far */ | |
1858 | unsigned int read_timeouts; | |
1859 | /* Number of write timeouts so far */ | |
1860 | unsigned int write_timeouts; | |
1861 | /* Number of alerts received so far */ | |
1862 | unsigned int num_alerts; | |
1863 | }; | |
1864 | ||
b6ba4014 MC |
1865 | typedef struct hm_fragment_st { |
1866 | struct hm_header_st msg_header; | |
1867 | unsigned char *fragment; | |
1868 | unsigned char *reassembly; | |
1869 | } hm_fragment; | |
1870 | ||
cf2cede4 RS |
1871 | typedef struct pqueue_st pqueue; |
1872 | typedef struct pitem_st pitem; | |
1873 | ||
1874 | struct pitem_st { | |
1875 | unsigned char priority[8]; /* 64-bit value in big-endian encoding */ | |
1876 | void *data; | |
1877 | pitem *next; | |
1878 | }; | |
1879 | ||
1880 | typedef struct pitem_st *piterator; | |
1881 | ||
1882 | pitem *pitem_new(unsigned char *prio64be, void *data); | |
1883 | void pitem_free(pitem *item); | |
a230b26e | 1884 | pqueue *pqueue_new(void); |
cf2cede4 RS |
1885 | void pqueue_free(pqueue *pq); |
1886 | pitem *pqueue_insert(pqueue *pq, pitem *item); | |
1887 | pitem *pqueue_peek(pqueue *pq); | |
1888 | pitem *pqueue_pop(pqueue *pq); | |
1889 | pitem *pqueue_find(pqueue *pq, unsigned char *prio64be); | |
1890 | pitem *pqueue_iterator(pqueue *pq); | |
1891 | pitem *pqueue_next(piterator *iter); | |
8b0e934a | 1892 | size_t pqueue_size(pqueue *pq); |
cf2cede4 | 1893 | |
b6ba4014 | 1894 | typedef struct dtls1_state_st { |
b6ba4014 | 1895 | unsigned char cookie[DTLS1_COOKIE_LENGTH]; |
cb150cbc | 1896 | size_t cookie_len; |
e27f234a | 1897 | unsigned int cookie_verified; |
b6ba4014 MC |
1898 | /* handshake message numbers */ |
1899 | unsigned short handshake_write_seq; | |
1900 | unsigned short next_handshake_write_seq; | |
1901 | unsigned short handshake_read_seq; | |
b6ba4014 | 1902 | /* Buffered handshake messages */ |
cf2cede4 | 1903 | pqueue *buffered_messages; |
b6ba4014 | 1904 | /* Buffered (sent) handshake records */ |
cf2cede4 | 1905 | pqueue *sent_messages; |
7ee8627f MC |
1906 | size_t link_mtu; /* max on-the-wire DTLS packet size */ |
1907 | size_t mtu; /* max DTLS packet size */ | |
b6ba4014 MC |
1908 | struct hm_header_st w_msg_hdr; |
1909 | struct hm_header_st r_msg_hdr; | |
1910 | struct dtls1_timeout_st timeout; | |
1911 | /* | |
e72040c1 | 1912 | * Indicates when the last handshake msg sent will timeout |
b6ba4014 MC |
1913 | */ |
1914 | struct timeval next_timeout; | |
1915 | /* Timeout duration */ | |
fa4b82cc AH |
1916 | unsigned int timeout_duration_us; |
1917 | ||
b6ba4014 | 1918 | unsigned int retransmitting; |
a230b26e | 1919 | # ifndef OPENSSL_NO_SCTP |
b6ba4014 | 1920 | int shutdown_received; |
a230b26e | 1921 | # endif |
fa4b82cc AH |
1922 | |
1923 | DTLS_timer_cb timer_cb; | |
1924 | ||
b6ba4014 MC |
1925 | } DTLS1_STATE; |
1926 | ||
0f113f3e MC |
1927 | # ifndef OPENSSL_NO_EC |
1928 | /* | |
1929 | * From ECC-TLS draft, used in encoding the curve type in ECParameters | |
ea262260 | 1930 | */ |
0f113f3e MC |
1931 | # define EXPLICIT_PRIME_CURVE_TYPE 1 |
1932 | # define EXPLICIT_CHAR2_CURVE_TYPE 2 | |
1933 | # define NAMED_CURVE_TYPE 3 | |
1934 | # endif /* OPENSSL_NO_EC */ | |
1935 | ||
a497cf25 | 1936 | struct cert_pkey_st { |
0f113f3e MC |
1937 | X509 *x509; |
1938 | EVP_PKEY *privatekey; | |
0f113f3e MC |
1939 | /* Chain for this certificate */ |
1940 | STACK_OF(X509) *chain; | |
50e735f9 MC |
1941 | /*- |
1942 | * serverinfo data for this certificate. The data is in TLS Extension | |
1943 | * wire format, specifically it's a series of records like: | |
1944 | * uint16_t extension_type; // (RFC 5246, 7.4.1.4, Extension) | |
1945 | * uint16_t length; | |
1946 | * uint8_t data[length]; | |
1947 | */ | |
0f113f3e MC |
1948 | unsigned char *serverinfo; |
1949 | size_t serverinfo_length; | |
a497cf25 | 1950 | }; |
2ea80354 | 1951 | /* Retrieve Suite B flags */ |
0f113f3e | 1952 | # define tls1_suiteb(s) (s->cert->cert_flags & SSL_CERT_FLAG_SUITEB_128_LOS) |
2ea80354 | 1953 | /* Uses to check strict mode: suite B modes are always strict */ |
0f113f3e MC |
1954 | # define SSL_CERT_FLAGS_CHECK_TLS_STRICT \ |
1955 | (SSL_CERT_FLAG_SUITEB_128_LOS|SSL_CERT_FLAG_TLS_STRICT) | |
d02b48c6 | 1956 | |
787d9ec7 MC |
1957 | typedef enum { |
1958 | ENDPOINT_CLIENT = 0, | |
1959 | ENDPOINT_SERVER, | |
1960 | ENDPOINT_BOTH | |
1961 | } ENDPOINT; | |
1962 | ||
1963 | ||
b83294fe | 1964 | typedef struct { |
0f113f3e | 1965 | unsigned short ext_type; |
787d9ec7 | 1966 | ENDPOINT role; |
43ae5eed MC |
1967 | /* The context which this extension applies to */ |
1968 | unsigned int context; | |
0f113f3e MC |
1969 | /* |
1970 | * Per-connection flags relating to this extension type: not used if | |
1971 | * part of an SSL_CTX structure. | |
1972 | */ | |
f7d53487 | 1973 | uint32_t ext_flags; |
cd17bb19 MC |
1974 | SSL_custom_ext_add_cb_ex add_cb; |
1975 | SSL_custom_ext_free_cb_ex free_cb; | |
0f113f3e | 1976 | void *add_arg; |
cd17bb19 | 1977 | SSL_custom_ext_parse_cb_ex parse_cb; |
0f113f3e | 1978 | void *parse_arg; |
ecf4d660 | 1979 | } custom_ext_method; |
b83294fe | 1980 | |
28ea0a0c DSH |
1981 | /* ext_flags values */ |
1982 | ||
0f113f3e MC |
1983 | /* |
1984 | * Indicates an extension has been received. Used to check for unsolicited or | |
1985 | * duplicate extensions. | |
28ea0a0c | 1986 | */ |
0f113f3e MC |
1987 | # define SSL_EXT_FLAG_RECEIVED 0x1 |
1988 | /* | |
1989 | * Indicates an extension has been sent: used to enable sending of | |
1990 | * corresponding ServerHello extension. | |
28ea0a0c | 1991 | */ |
0f113f3e | 1992 | # define SSL_EXT_FLAG_SENT 0x2 |
28ea0a0c | 1993 | |
b83294fe | 1994 | typedef struct { |
0f113f3e MC |
1995 | custom_ext_method *meths; |
1996 | size_t meths_count; | |
ecf4d660 | 1997 | } custom_ext_methods; |
b83294fe | 1998 | |
0f113f3e MC |
1999 | typedef struct cert_st { |
2000 | /* Current active set */ | |
2001 | /* | |
2002 | * ALWAYS points to an element of the pkeys array | |
2003 | * Probably it would make more sense to store | |
2004 | * an index, not a pointer. | |
2005 | */ | |
2006 | CERT_PKEY *key; | |
0f113f3e | 2007 | # ifndef OPENSSL_NO_DH |
e2b420fd | 2008 | EVP_PKEY *dh_tmp; |
0f113f3e MC |
2009 | DH *(*dh_tmp_cb) (SSL *ssl, int is_export, int keysize); |
2010 | int dh_tmp_auto; | |
0f113f3e MC |
2011 | # endif |
2012 | /* Flags related to certificates */ | |
f7d53487 | 2013 | uint32_t cert_flags; |
0f113f3e | 2014 | CERT_PKEY pkeys[SSL_PKEY_NUM]; |
75c13e78 DSH |
2015 | /* Custom certificate types sent in certificate request message. */ |
2016 | uint8_t *ctype; | |
2017 | size_t ctype_len; | |
0f113f3e | 2018 | /* |
60250017 | 2019 | * supported signature algorithms. When set on a client this is sent in |
0f113f3e MC |
2020 | * the client hello as the supported signature algorithms extension. For |
2021 | * servers it represents the signature algorithms we are willing to use. | |
2022 | */ | |
98c792d1 | 2023 | uint16_t *conf_sigalgs; |
0f113f3e MC |
2024 | /* Size of above array */ |
2025 | size_t conf_sigalgslen; | |
2026 | /* | |
2027 | * Client authentication signature algorithms, if not set then uses | |
2028 | * conf_sigalgs. On servers these will be the signature algorithms sent | |
48722ff5 F |
2029 | * to the client in a certificate request for TLS 1.2. On a client this |
2030 | * represents the signature algorithms we are willing to use for client | |
0f113f3e MC |
2031 | * authentication. |
2032 | */ | |
98c792d1 | 2033 | uint16_t *client_sigalgs; |
0f113f3e MC |
2034 | /* Size of above array */ |
2035 | size_t client_sigalgslen; | |
0f113f3e MC |
2036 | /* |
2037 | * Certificate setup callback: if set is called whenever a certificate | |
2038 | * may be required (client or server). the callback can then examine any | |
2039 | * appropriate parameters and setup any certificates required. This | |
2040 | * allows advanced applications to select certificates on the fly: for | |
2041 | * example based on supported signature algorithms or curves. | |
2042 | */ | |
2043 | int (*cert_cb) (SSL *ssl, void *arg); | |
2044 | void *cert_cb_arg; | |
2045 | /* | |
2046 | * Optional X509_STORE for chain building or certificate validation If | |
2047 | * NULL the parent SSL_CTX store is used instead. | |
2048 | */ | |
2049 | X509_STORE *chain_store; | |
2050 | X509_STORE *verify_store; | |
43ae5eed MC |
2051 | /* Custom extensions */ |
2052 | custom_ext_methods custext; | |
0f113f3e | 2053 | /* Security callback */ |
e4646a89 | 2054 | int (*sec_cb) (const SSL *s, const SSL_CTX *ctx, int op, int bits, int nid, |
0f113f3e MC |
2055 | void *other, void *ex); |
2056 | /* Security level */ | |
2057 | int sec_level; | |
2058 | void *sec_ex; | |
a230b26e | 2059 | # ifndef OPENSSL_NO_PSK |
df6da24b DSH |
2060 | /* If not NULL psk identity hint to use for servers */ |
2061 | char *psk_identity_hint; | |
a230b26e | 2062 | # endif |
2f545ae4 | 2063 | CRYPTO_REF_COUNT references; /* >1 only if SSL_copy_session_id is used */ |
16203f7b | 2064 | CRYPTO_RWLOCK *lock; |
0f113f3e MC |
2065 | } CERT; |
2066 | ||
0f113f3e | 2067 | # define FP_ICC (int (*)(const void *,const void *)) |
0f113f3e MC |
2068 | |
2069 | /* | |
2070 | * This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff It is a bit | |
2071 | * of a mess of functions, but hell, think of it as an opaque structure :-) | |
2072 | */ | |
2073 | typedef struct ssl3_enc_method { | |
ec27e619 | 2074 | int (*enc) (SSL *, SSL3_RECORD *, size_t, int, SSL_MAC_BUF *, size_t); |
d102d9df | 2075 | int (*mac) (SSL *, SSL3_RECORD *, unsigned char *, int); |
0f113f3e MC |
2076 | int (*setup_key_block) (SSL *); |
2077 | int (*generate_master_secret) (SSL *, unsigned char *, unsigned char *, | |
8c1a5343 | 2078 | size_t, size_t *); |
0f113f3e | 2079 | int (*change_cipher_state) (SSL *, int); |
6db6bc5a | 2080 | size_t (*final_finish_mac) (SSL *, const char *, size_t, unsigned char *); |
0f113f3e | 2081 | const char *client_finished_label; |
8b0e934a | 2082 | size_t client_finished_label_len; |
0f113f3e | 2083 | const char *server_finished_label; |
8b0e934a | 2084 | size_t server_finished_label_len; |
0f113f3e MC |
2085 | int (*alert_value) (int); |
2086 | int (*export_keying_material) (SSL *, unsigned char *, size_t, | |
2087 | const char *, size_t, | |
2088 | const unsigned char *, size_t, | |
2089 | int use_context); | |
2090 | /* Various flags indicating protocol version requirements */ | |
f7d53487 | 2091 | uint32_t enc_flags; |
0f113f3e | 2092 | /* Set the handshake header */ |
a29fa98c | 2093 | int (*set_handshake_header) (SSL *s, WPACKET *pkt, int type); |
2c7b4dbc | 2094 | /* Close construction of the handshake message */ |
4a01c59f | 2095 | int (*close_construct_packet) (SSL *s, WPACKET *pkt, int htype); |
0f113f3e MC |
2096 | /* Write out handshake message */ |
2097 | int (*do_write) (SSL *s); | |
2098 | } SSL3_ENC_METHOD; | |
2099 | ||
a29fa98c MC |
2100 | # define ssl_set_handshake_header(s, pkt, htype) \ |
2101 | s->method->ssl3_enc->set_handshake_header((s), (pkt), (htype)) | |
4a01c59f MC |
2102 | # define ssl_close_construct_packet(s, pkt, htype) \ |
2103 | s->method->ssl3_enc->close_construct_packet((s), (pkt), (htype)) | |
0f113f3e | 2104 | # define ssl_do_write(s) s->method->ssl3_enc->do_write(s) |
173e72e6 DSH |
2105 | |
2106 | /* Values for enc_flags */ | |
2107 | ||
2108 | /* Uses explicit IV for CBC mode */ | |
0f113f3e | 2109 | # define SSL_ENC_FLAG_EXPLICIT_IV 0x1 |
173e72e6 | 2110 | /* Uses signature algorithms extension */ |
0f113f3e | 2111 | # define SSL_ENC_FLAG_SIGALGS 0x2 |
cbd64894 | 2112 | /* Uses SHA256 default PRF */ |
0f113f3e | 2113 | # define SSL_ENC_FLAG_SHA256_PRF 0x4 |
173e72e6 | 2114 | /* Is DTLS */ |
0f113f3e MC |
2115 | # define SSL_ENC_FLAG_DTLS 0x8 |
2116 | /* | |
2117 | * Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2: may | |
2118 | * apply to others in future. | |
4221c0dd | 2119 | */ |
0f113f3e | 2120 | # define SSL_ENC_FLAG_TLS1_2_CIPHERS 0x10 |
173e72e6 | 2121 | |
0f113f3e | 2122 | # ifndef OPENSSL_NO_COMP |
651d0aff | 2123 | /* Used for holding the relevant compression methods loaded into SSL_CTX */ |
0f113f3e MC |
2124 | typedef struct ssl3_comp_st { |
2125 | int comp_id; /* The identifier byte for this compression | |
2126 | * type */ | |
2127 | char *name; /* Text name used for the compression type */ | |
2128 | COMP_METHOD *method; /* The method :-) */ | |
2129 | } SSL3_COMP; | |
2130 | # endif | |
dfeab068 | 2131 | |
f7f2a01d MC |
2132 | typedef enum downgrade_en { |
2133 | DOWNGRADE_NONE, | |
2134 | DOWNGRADE_TO_1_2, | |
2135 | DOWNGRADE_TO_1_1 | |
2136 | } DOWNGRADE; | |
2137 | ||
cbb09544 MC |
2138 | /* |
2139 | * Dummy status type for the status_type extension. Indicates no status type | |
2140 | * set | |
2141 | */ | |
2142 | #define TLSEXT_STATUSTYPE_nothing -1 | |
2143 | ||
703bcee0 MC |
2144 | /* Sigalgs values */ |
2145 | #define TLSEXT_SIGALG_ecdsa_secp256r1_sha256 0x0403 | |
2146 | #define TLSEXT_SIGALG_ecdsa_secp384r1_sha384 0x0503 | |
2147 | #define TLSEXT_SIGALG_ecdsa_secp521r1_sha512 0x0603 | |
d8311fc9 | 2148 | #define TLSEXT_SIGALG_ecdsa_sha224 0x0303 |
703bcee0 | 2149 | #define TLSEXT_SIGALG_ecdsa_sha1 0x0203 |
f55e99f7 BK |
2150 | #define TLSEXT_SIGALG_rsa_pss_rsae_sha256 0x0804 |
2151 | #define TLSEXT_SIGALG_rsa_pss_rsae_sha384 0x0805 | |
2152 | #define TLSEXT_SIGALG_rsa_pss_rsae_sha512 0x0806 | |
2153 | #define TLSEXT_SIGALG_rsa_pss_pss_sha256 0x0809 | |
2154 | #define TLSEXT_SIGALG_rsa_pss_pss_sha384 0x080a | |
2155 | #define TLSEXT_SIGALG_rsa_pss_pss_sha512 0x080b | |
703bcee0 MC |
2156 | #define TLSEXT_SIGALG_rsa_pkcs1_sha256 0x0401 |
2157 | #define TLSEXT_SIGALG_rsa_pkcs1_sha384 0x0501 | |
2158 | #define TLSEXT_SIGALG_rsa_pkcs1_sha512 0x0601 | |
d8311fc9 | 2159 | #define TLSEXT_SIGALG_rsa_pkcs1_sha224 0x0301 |
703bcee0 MC |
2160 | #define TLSEXT_SIGALG_rsa_pkcs1_sha1 0x0201 |
2161 | #define TLSEXT_SIGALG_dsa_sha256 0x0402 | |
2162 | #define TLSEXT_SIGALG_dsa_sha384 0x0502 | |
2163 | #define TLSEXT_SIGALG_dsa_sha512 0x0602 | |
d8311fc9 | 2164 | #define TLSEXT_SIGALG_dsa_sha224 0x0302 |
703bcee0 | 2165 | #define TLSEXT_SIGALG_dsa_sha1 0x0202 |
6f892296 NM |
2166 | #define TLSEXT_SIGALG_gostr34102012_256_intrinsic 0x0840 |
2167 | #define TLSEXT_SIGALG_gostr34102012_512_intrinsic 0x0841 | |
703bcee0 MC |
2168 | #define TLSEXT_SIGALG_gostr34102012_256_gostr34112012_256 0xeeee |
2169 | #define TLSEXT_SIGALG_gostr34102012_512_gostr34112012_512 0xefef | |
2170 | #define TLSEXT_SIGALG_gostr34102001_gostr3411 0xeded | |
2171 | ||
3d234c9e | 2172 | #define TLSEXT_SIGALG_ed25519 0x0807 |
0e1d6ecf | 2173 | #define TLSEXT_SIGALG_ed448 0x0808 |
3d234c9e | 2174 | |
b2f7e8c0 MC |
2175 | /* Known PSK key exchange modes */ |
2176 | #define TLSEXT_KEX_MODE_KE 0x00 | |
2177 | #define TLSEXT_KEX_MODE_KE_DHE 0x01 | |
2178 | ||
2179 | /* | |
2180 | * Internal representations of key exchange modes | |
2181 | */ | |
2182 | #define TLSEXT_KEX_MODE_FLAG_NONE 0 | |
2183 | #define TLSEXT_KEX_MODE_FLAG_KE 1 | |
2184 | #define TLSEXT_KEX_MODE_FLAG_KE_DHE 2 | |
2185 | ||
555cbb32 TS |
2186 | #define SSL_USE_PSS(s) (s->s3.tmp.peer_sigalg != NULL && \ |
2187 | s->s3.tmp.peer_sigalg->sig == EVP_PKEY_RSA_PSS) | |
fe3066ee | 2188 | |
703bcee0 MC |
2189 | /* A dummy signature value not valid for TLSv1.2 signature algs */ |
2190 | #define TLSEXT_signature_rsa_pss 0x0101 | |
2191 | ||
643a3580 MC |
2192 | /* TLSv1.3 downgrade protection sentinel values */ |
2193 | extern const unsigned char tls11downgrade[8]; | |
2194 | extern const unsigned char tls12downgrade[8]; | |
703bcee0 | 2195 | |
3ed449e9 | 2196 | extern SSL3_ENC_METHOD ssl3_undef_enc_method; |
7d7d2cbc | 2197 | |
2b8fa1d5 KR |
2198 | __owur const SSL_METHOD *ssl_bad_method(int ver); |
2199 | __owur const SSL_METHOD *sslv3_method(void); | |
2200 | __owur const SSL_METHOD *sslv3_server_method(void); | |
2201 | __owur const SSL_METHOD *sslv3_client_method(void); | |
2202 | __owur const SSL_METHOD *tlsv1_method(void); | |
2203 | __owur const SSL_METHOD *tlsv1_server_method(void); | |
2204 | __owur const SSL_METHOD *tlsv1_client_method(void); | |
2205 | __owur const SSL_METHOD *tlsv1_1_method(void); | |
2206 | __owur const SSL_METHOD *tlsv1_1_server_method(void); | |
2207 | __owur const SSL_METHOD *tlsv1_1_client_method(void); | |
2208 | __owur const SSL_METHOD *tlsv1_2_method(void); | |
2209 | __owur const SSL_METHOD *tlsv1_2_server_method(void); | |
2210 | __owur const SSL_METHOD *tlsv1_2_client_method(void); | |
582a17d6 MC |
2211 | __owur const SSL_METHOD *tlsv1_3_method(void); |
2212 | __owur const SSL_METHOD *tlsv1_3_server_method(void); | |
2213 | __owur const SSL_METHOD *tlsv1_3_client_method(void); | |
2b8fa1d5 KR |
2214 | __owur const SSL_METHOD *dtlsv1_method(void); |
2215 | __owur const SSL_METHOD *dtlsv1_server_method(void); | |
2216 | __owur const SSL_METHOD *dtlsv1_client_method(void); | |
032924c4 | 2217 | __owur const SSL_METHOD *dtls_bad_ver_client_method(void); |
2b8fa1d5 KR |
2218 | __owur const SSL_METHOD *dtlsv1_2_method(void); |
2219 | __owur const SSL_METHOD *dtlsv1_2_server_method(void); | |
2220 | __owur const SSL_METHOD *dtlsv1_2_client_method(void); | |
d02b48c6 | 2221 | |
161e0a61 BL |
2222 | extern const SSL3_ENC_METHOD TLSv1_enc_data; |
2223 | extern const SSL3_ENC_METHOD TLSv1_1_enc_data; | |
2224 | extern const SSL3_ENC_METHOD TLSv1_2_enc_data; | |
582a17d6 | 2225 | extern const SSL3_ENC_METHOD TLSv1_3_enc_data; |
8892ce77 BL |
2226 | extern const SSL3_ENC_METHOD SSLv3_enc_data; |
2227 | extern const SSL3_ENC_METHOD DTLSv1_enc_data; | |
2228 | extern const SSL3_ENC_METHOD DTLSv1_2_enc_data; | |
f3b656b2 | 2229 | |
4fa52141 VD |
2230 | /* |
2231 | * Flags for SSL methods | |
2232 | */ | |
a230b26e EK |
2233 | # define SSL_METHOD_NO_FIPS (1U<<0) |
2234 | # define SSL_METHOD_NO_SUITEB (1U<<1) | |
4fa52141 VD |
2235 | |
2236 | # define IMPLEMENT_tls_meth_func(version, flags, mask, func_name, s_accept, \ | |
ccae4a15 | 2237 | s_connect, enc_data) \ |
4ebb342f | 2238 | const SSL_METHOD *func_name(void) \ |
0f113f3e MC |
2239 | { \ |
2240 | static const SSL_METHOD func_name##_data= { \ | |
2241 | version, \ | |
4fa52141 VD |
2242 | flags, \ |
2243 | mask, \ | |
0f113f3e MC |
2244 | tls1_new, \ |
2245 | tls1_clear, \ | |
2246 | tls1_free, \ | |
2247 | s_accept, \ | |
2248 | s_connect, \ | |
2249 | ssl3_read, \ | |
2250 | ssl3_peek, \ | |
2251 | ssl3_write, \ | |
2252 | ssl3_shutdown, \ | |
2253 | ssl3_renegotiate, \ | |
2254 | ssl3_renegotiate_check, \ | |
0f113f3e MC |
2255 | ssl3_read_bytes, \ |
2256 | ssl3_write_bytes, \ | |
2257 | ssl3_dispatch_alert, \ | |
2258 | ssl3_ctrl, \ | |
2259 | ssl3_ctx_ctrl, \ | |
2260 | ssl3_get_cipher_by_char, \ | |
2261 | ssl3_put_cipher_by_char, \ | |
2262 | ssl3_pending, \ | |
2263 | ssl3_num_ciphers, \ | |
2264 | ssl3_get_cipher, \ | |
0f113f3e MC |
2265 | tls1_default_timeout, \ |
2266 | &enc_data, \ | |
2267 | ssl_undefined_void_function, \ | |
2268 | ssl3_callback_ctrl, \ | |
2269 | ssl3_ctx_callback_ctrl, \ | |
2270 | }; \ | |
2271 | return &func_name##_data; \ | |
2272 | } | |
2273 | ||
ccae4a15 | 2274 | # define IMPLEMENT_ssl3_meth_func(func_name, s_accept, s_connect) \ |
4ebb342f | 2275 | const SSL_METHOD *func_name(void) \ |
0f113f3e MC |
2276 | { \ |
2277 | static const SSL_METHOD func_name##_data= { \ | |
2278 | SSL3_VERSION, \ | |
4fa52141 VD |
2279 | SSL_METHOD_NO_FIPS | SSL_METHOD_NO_SUITEB, \ |
2280 | SSL_OP_NO_SSLv3, \ | |
0f113f3e MC |
2281 | ssl3_new, \ |
2282 | ssl3_clear, \ | |
2283 | ssl3_free, \ | |
2284 | s_accept, \ | |
2285 | s_connect, \ | |
2286 | ssl3_read, \ | |
2287 | ssl3_peek, \ | |
2288 | ssl3_write, \ | |
2289 | ssl3_shutdown, \ | |
2290 | ssl3_renegotiate, \ | |
2291 | ssl3_renegotiate_check, \ | |
0f113f3e MC |
2292 | ssl3_read_bytes, \ |
2293 | ssl3_write_bytes, \ | |
2294 | ssl3_dispatch_alert, \ | |
2295 | ssl3_ctrl, \ | |
2296 | ssl3_ctx_ctrl, \ | |
2297 | ssl3_get_cipher_by_char, \ | |
2298 | ssl3_put_cipher_by_char, \ | |
2299 | ssl3_pending, \ | |
2300 | ssl3_num_ciphers, \ | |
2301 | ssl3_get_cipher, \ | |
0f113f3e MC |
2302 | ssl3_default_timeout, \ |
2303 | &SSLv3_enc_data, \ | |
2304 | ssl_undefined_void_function, \ | |
2305 | ssl3_callback_ctrl, \ | |
2306 | ssl3_ctx_callback_ctrl, \ | |
2307 | }; \ | |
2308 | return &func_name##_data; \ | |
2309 | } | |
2310 | ||
4fa52141 | 2311 | # define IMPLEMENT_dtls1_meth_func(version, flags, mask, func_name, s_accept, \ |
ccae4a15 | 2312 | s_connect, enc_data) \ |
4ebb342f | 2313 | const SSL_METHOD *func_name(void) \ |
0f113f3e MC |
2314 | { \ |
2315 | static const SSL_METHOD func_name##_data= { \ | |
2316 | version, \ | |
4fa52141 VD |
2317 | flags, \ |
2318 | mask, \ | |
0f113f3e MC |
2319 | dtls1_new, \ |
2320 | dtls1_clear, \ | |
2321 | dtls1_free, \ | |
2322 | s_accept, \ | |
2323 | s_connect, \ | |
2324 | ssl3_read, \ | |
2325 | ssl3_peek, \ | |
2326 | ssl3_write, \ | |
2327 | dtls1_shutdown, \ | |
2328 | ssl3_renegotiate, \ | |
2329 | ssl3_renegotiate_check, \ | |
0f113f3e MC |
2330 | dtls1_read_bytes, \ |
2331 | dtls1_write_app_data_bytes, \ | |
2332 | dtls1_dispatch_alert, \ | |
2333 | dtls1_ctrl, \ | |
2334 | ssl3_ctx_ctrl, \ | |
2335 | ssl3_get_cipher_by_char, \ | |
2336 | ssl3_put_cipher_by_char, \ | |
2337 | ssl3_pending, \ | |
2338 | ssl3_num_ciphers, \ | |
ca3895f0 | 2339 | ssl3_get_cipher, \ |
0f113f3e MC |
2340 | dtls1_default_timeout, \ |
2341 | &enc_data, \ | |
2342 | ssl_undefined_void_function, \ | |
2343 | ssl3_callback_ctrl, \ | |
2344 | ssl3_ctx_callback_ctrl, \ | |
2345 | }; \ | |
2346 | return &func_name##_data; \ | |
2347 | } | |
2348 | ||
2349 | struct openssl_ssl_test_functions { | |
46417569 | 2350 | int (*p_ssl_init_wbio_buffer) (SSL *s); |
0f113f3e | 2351 | int (*p_ssl3_setup_buffers) (SSL *s); |
0f113f3e MC |
2352 | }; |
2353 | ||
3eb2aff4 | 2354 | const char *ssl_protocol_to_string(int version); |
7d650072 | 2355 | |
4020c0b3 DSH |
2356 | /* Returns true if certificate and private key for 'idx' are present */ |
2357 | static ossl_inline int ssl_has_cert(const SSL *s, int idx) | |
2358 | { | |
2359 | if (idx < 0 || idx >= SSL_PKEY_NUM) | |
2360 | return 0; | |
2361 | return s->cert->pkeys[idx].x509 != NULL | |
2362 | && s->cert->pkeys[idx].privatekey != NULL; | |
2363 | } | |
2364 | ||
ff6d20a6 DSH |
2365 | static ossl_inline void tls1_get_peer_groups(SSL *s, const uint16_t **pgroups, |
2366 | size_t *pgroupslen) | |
2367 | { | |
45436e61 MC |
2368 | *pgroups = s->ext.peer_supportedgroups; |
2369 | *pgroupslen = s->ext.peer_supportedgroups_len; | |
ff6d20a6 DSH |
2370 | } |
2371 | ||
0f113f3e | 2372 | # ifndef OPENSSL_UNIT_TEST |
e0fc7961 | 2373 | |
4ee7d3f9 KR |
2374 | __owur int ssl_read_internal(SSL *s, void *buf, size_t num, size_t *readbytes); |
2375 | __owur int ssl_write_internal(SSL *s, const void *buf, size_t num, size_t *written); | |
d02b48c6 RE |
2376 | void ssl_clear_cipher_ctx(SSL *s); |
2377 | int ssl_clear_bad_session(SSL *s); | |
4bcdb4a6 MC |
2378 | __owur CERT *ssl_cert_new(void); |
2379 | __owur CERT *ssl_cert_dup(CERT *cert); | |
a5ee80b9 | 2380 | void ssl_cert_clear_certs(CERT *c); |
d02b48c6 | 2381 | void ssl_cert_free(CERT *c); |
a84e5c9a | 2382 | __owur int ssl_generate_session_id(SSL *s, SSL_SESSION *ss); |
4bcdb4a6 | 2383 | __owur int ssl_get_new_session(SSL *s, int session); |
6cc0b3c2 MC |
2384 | __owur SSL_SESSION *lookup_sess_in_cache(SSL *s, const unsigned char *sess_id, |
2385 | size_t sess_id_len); | |
f63a17d6 | 2386 | __owur int ssl_get_prev_session(SSL *s, CLIENTHELLO_MSG *hello); |
9fdcc21f | 2387 | __owur SSL_SESSION *ssl_session_dup(const SSL_SESSION *src, int ticket); |
4bcdb4a6 | 2388 | __owur int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b); |
0f113f3e | 2389 | DECLARE_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, ssl_cipher_id); |
4bcdb4a6 | 2390 | __owur int ssl_cipher_ptr_id_cmp(const SSL_CIPHER *const *ap, |
a230b26e | 2391 | const SSL_CIPHER *const *bp); |
f865b081 MC |
2392 | __owur STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *ssl_method, |
2393 | STACK_OF(SSL_CIPHER) *tls13_ciphersuites, | |
2394 | STACK_OF(SSL_CIPHER) **cipher_list, | |
2395 | STACK_OF(SSL_CIPHER) **cipher_list_by_id, | |
a230b26e EK |
2396 | const char *rule_str, |
2397 | CERT *c); | |
f63a17d6 | 2398 | __owur int ssl_cache_cipherlist(SSL *s, PACKET *cipher_suites, int sslv2format); |
90134d98 BK |
2399 | __owur int bytes_to_cipher_list(SSL *s, PACKET *cipher_suites, |
2400 | STACK_OF(SSL_CIPHER) **skp, | |
2401 | STACK_OF(SSL_CIPHER) **scsvs, int sslv2format, | |
f63a17d6 | 2402 | int fatal); |
d02b48c6 | 2403 | void ssl_update_cache(SSL *s, int mode); |
9727f4e7 MC |
2404 | __owur int ssl_cipher_get_evp_cipher(SSL_CTX *ctx, const SSL_CIPHER *sslc, |
2405 | const EVP_CIPHER **enc); | |
c8f6c28a MC |
2406 | __owur int ssl_cipher_get_evp(SSL_CTX *ctxc, const SSL_SESSION *s, |
2407 | const EVP_CIPHER **enc, const EVP_MD **md, | |
2408 | int *mac_pkey_type, size_t *mac_secret_size, | |
2409 | SSL_COMP **comp, int use_etm); | |
045bd047 DW |
2410 | __owur int ssl_cipher_get_overhead(const SSL_CIPHER *c, size_t *mac_overhead, |
2411 | size_t *int_overhead, size_t *blocksize, | |
2412 | size_t *ext_overhead); | |
c04cd728 | 2413 | __owur int ssl_cert_is_disabled(size_t idx); |
a230b26e | 2414 | __owur const SSL_CIPHER *ssl_get_cipher_by_char(SSL *ssl, |
60d685d1 BK |
2415 | const unsigned char *ptr, |
2416 | int all); | |
4bcdb4a6 MC |
2417 | __owur int ssl_cert_set0_chain(SSL *s, SSL_CTX *ctx, STACK_OF(X509) *chain); |
2418 | __owur int ssl_cert_set1_chain(SSL *s, SSL_CTX *ctx, STACK_OF(X509) *chain); | |
2419 | __owur int ssl_cert_add0_chain_cert(SSL *s, SSL_CTX *ctx, X509 *x); | |
2420 | __owur int ssl_cert_add1_chain_cert(SSL *s, SSL_CTX *ctx, X509 *x); | |
2421 | __owur int ssl_cert_select_current(CERT *c, X509 *x); | |
2422 | __owur int ssl_cert_set_current(CERT *c, long arg); | |
a230b26e | 2423 | void ssl_cert_set_cert_cb(CERT *c, int (*cb) (SSL *ssl, void *arg), void *arg); |
f71c6e52 | 2424 | |
4bcdb4a6 | 2425 | __owur int ssl_verify_cert_chain(SSL *s, STACK_OF(X509) *sk); |
4bcdb4a6 | 2426 | __owur int ssl_build_cert_chain(SSL *s, SSL_CTX *ctx, int flags); |
a230b26e EK |
2427 | __owur int ssl_cert_set_cert_store(CERT *c, X509_STORE *store, int chain, |
2428 | int ref); | |
b362ccab | 2429 | |
e4646a89 | 2430 | __owur int ssl_security(const SSL *s, int op, int bits, int nid, void *other); |
a230b26e EK |
2431 | __owur int ssl_ctx_security(const SSL_CTX *ctx, int op, int bits, int nid, |
2432 | void *other); | |
b362ccab | 2433 | |
11d2641f | 2434 | __owur int ssl_cert_lookup_by_nid(int nid, size_t *pidx); |
c04cd728 DSH |
2435 | __owur const SSL_CERT_LOOKUP *ssl_cert_lookup_by_pkey(const EVP_PKEY *pk, |
2436 | size_t *pidx); | |
2437 | __owur const SSL_CERT_LOOKUP *ssl_cert_lookup_by_idx(size_t idx); | |
2438 | ||
d02b48c6 | 2439 | int ssl_undefined_function(SSL *s); |
4bcdb4a6 MC |
2440 | __owur int ssl_undefined_void_function(void); |
2441 | __owur int ssl_undefined_const_function(const SSL *s); | |
a230b26e EK |
2442 | __owur int ssl_get_server_cert_serverinfo(SSL *s, |
2443 | const unsigned char **serverinfo, | |
2444 | size_t *serverinfo_length); | |
2cf28d61 | 2445 | void ssl_set_masks(SSL *s); |
4bcdb4a6 | 2446 | __owur STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s); |
c6d38183 | 2447 | __owur int ssl_x509err2alert(int type); |
748f2546 | 2448 | void ssl_sort_cipher_list(void); |
c8f6c28a | 2449 | int ssl_load_ciphers(SSL_CTX *ctx); |
263ff2c9 | 2450 | __owur int ssl_setup_sig_algs(SSL_CTX *ctx); |
9d2d857f | 2451 | int ssl_load_groups(SSL_CTX *ctx); |
a230b26e | 2452 | __owur int ssl_fill_hello_random(SSL *s, int server, unsigned char *field, |
f7f2a01d | 2453 | size_t len, DOWNGRADE dgrd); |
57b272b0 DSH |
2454 | __owur int ssl_generate_master_secret(SSL *s, unsigned char *pms, size_t pmslen, |
2455 | int free_pms); | |
0f00ed77 | 2456 | __owur EVP_PKEY *ssl_generate_pkey(SSL *s, EVP_PKEY *pm); |
0f1e51ea MC |
2457 | __owur int ssl_derive(SSL *s, EVP_PKEY *privkey, EVP_PKEY *pubkey, |
2458 | int genmaster); | |
a011b586 NT |
2459 | __owur int ssl_decapsulate(SSL *s, EVP_PKEY *privkey, |
2460 | const unsigned char *ct, size_t ctlen, | |
2461 | int gensecret); | |
6c4e6670 | 2462 | __owur EVP_PKEY *ssl_dh_to_pkey(DH *dh); |
cf72c757 F |
2463 | __owur unsigned int ssl_get_max_send_fragment(const SSL *ssl); |
2464 | __owur unsigned int ssl_get_split_send_fragment(const SSL *ssl); | |
d02b48c6 | 2465 | |
ec15acb6 | 2466 | __owur const SSL_CIPHER *ssl3_get_cipher_by_id(uint32_t id); |
bbb4ceb8 | 2467 | __owur const SSL_CIPHER *ssl3_get_cipher_by_std_name(const char *stdname); |
4bcdb4a6 | 2468 | __owur const SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p); |
ae2f7b37 | 2469 | __owur int ssl3_put_cipher_by_char(const SSL_CIPHER *c, WPACKET *pkt, |
2c7b4dbc | 2470 | size_t *len); |
2c4a056f | 2471 | int ssl3_init_finished_mac(SSL *s); |
4bcdb4a6 | 2472 | __owur int ssl3_setup_key_block(SSL *s); |
4bcdb4a6 | 2473 | __owur int ssl3_change_cipher_state(SSL *s, int which); |
d02b48c6 | 2474 | void ssl3_cleanup_key_block(SSL *s); |
4bcdb4a6 | 2475 | __owur int ssl3_do_write(SSL *s, int type); |
0f113f3e | 2476 | int ssl3_send_alert(SSL *s, int level, int desc); |
4bcdb4a6 | 2477 | __owur int ssl3_generate_master_secret(SSL *s, unsigned char *out, |
8c1a5343 MC |
2478 | unsigned char *p, size_t len, |
2479 | size_t *secret_size); | |
28ff8ef3 | 2480 | __owur int ssl3_get_req_cert_type(SSL *s, WPACKET *pkt); |
4bcdb4a6 MC |
2481 | __owur int ssl3_num_ciphers(void); |
2482 | __owur const SSL_CIPHER *ssl3_get_cipher(unsigned int u); | |
0f113f3e | 2483 | int ssl3_renegotiate(SSL *ssl); |
c7f47786 | 2484 | int ssl3_renegotiate_check(SSL *ssl, int initok); |
d5e5e2ff SL |
2485 | void ssl3_digest_master_key_set_params(const SSL_SESSION *session, |
2486 | OSSL_PARAM params[]); | |
4bcdb4a6 | 2487 | __owur int ssl3_dispatch_alert(SSL *s); |
6db6bc5a | 2488 | __owur size_t ssl3_final_finish_mac(SSL *s, const char *sender, size_t slen, |
12472b45 | 2489 | unsigned char *p); |
7ee8627f | 2490 | __owur int ssl3_finish_mac(SSL *s, const unsigned char *buf, size_t len); |
81025661 | 2491 | void ssl3_free_digest_list(SSL *s); |
7cea05dc | 2492 | __owur unsigned long ssl3_output_cert_chain(SSL *s, WPACKET *pkt, |
f63a17d6 | 2493 | CERT_PKEY *cpk); |
4a640fb6 DSH |
2494 | __owur const SSL_CIPHER *ssl3_choose_cipher(SSL *ssl, |
2495 | STACK_OF(SSL_CIPHER) *clnt, | |
2496 | STACK_OF(SSL_CIPHER) *srvr); | |
124037fd | 2497 | __owur int ssl3_digest_cached_records(SSL *s, int keep); |
4bcdb4a6 | 2498 | __owur int ssl3_new(SSL *s); |
0f113f3e | 2499 | void ssl3_free(SSL *s); |
54105ddd MC |
2500 | __owur int ssl3_read(SSL *s, void *buf, size_t len, size_t *readbytes); |
2501 | __owur int ssl3_peek(SSL *s, void *buf, size_t len, size_t *readbytes); | |
7ee8627f | 2502 | __owur int ssl3_write(SSL *s, const void *buf, size_t len, size_t *written); |
4bcdb4a6 | 2503 | __owur int ssl3_shutdown(SSL *s); |
b77f3ed1 | 2504 | int ssl3_clear(SSL *s); |
4bcdb4a6 MC |
2505 | __owur long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg); |
2506 | __owur long ssl3_ctx_ctrl(SSL_CTX *s, int cmd, long larg, void *parg); | |
2507 | __owur long ssl3_callback_ctrl(SSL *s, int cmd, void (*fp) (void)); | |
2508 | __owur long ssl3_ctx_callback_ctrl(SSL_CTX *s, int cmd, void (*fp) (void)); | |
d02b48c6 | 2509 | |
4bcdb4a6 MC |
2510 | __owur int ssl3_do_change_cipher_spec(SSL *ssl); |
2511 | __owur long ssl3_default_timeout(void); | |
f3b656b2 | 2512 | |
a29fa98c | 2513 | __owur int ssl3_set_handshake_header(SSL *s, WPACKET *pkt, int htype); |
4a01c59f | 2514 | __owur int tls_close_construct_packet(SSL *s, WPACKET *pkt, int htype); |
c7f47786 | 2515 | __owur int tls_setup_handshake(SSL *s); |
a29fa98c | 2516 | __owur int dtls1_set_handshake_header(SSL *s, WPACKET *pkt, int htype); |
4a01c59f | 2517 | __owur int dtls1_close_construct_packet(SSL *s, WPACKET *pkt, int htype); |
4bcdb4a6 MC |
2518 | __owur int ssl3_handshake_write(SSL *s); |
2519 | ||
4bcdb4a6 MC |
2520 | __owur int ssl_allow_compression(SSL *s); |
2521 | ||
4fd12788 MC |
2522 | __owur int ssl_version_supported(const SSL *s, int version, |
2523 | const SSL_METHOD **meth); | |
ccae4a15 | 2524 | |
4fa52141 VD |
2525 | __owur int ssl_set_client_hello_version(SSL *s); |
2526 | __owur int ssl_check_version_downgrade(SSL *s); | |
2527 | __owur int ssl_set_version_bound(int method_version, int version, int *bound); | |
f7f2a01d MC |
2528 | __owur int ssl_choose_server_version(SSL *s, CLIENTHELLO_MSG *hello, |
2529 | DOWNGRADE *dgrd); | |
88050dd1 MC |
2530 | __owur int ssl_choose_client_version(SSL *s, int version, |
2531 | RAW_EXTENSION *extensions); | |
1d0c08b4 | 2532 | __owur int ssl_get_min_max_version(const SSL *s, int *min_version, |
b5b993b2 | 2533 | int *max_version, int *real_max); |
4fa52141 | 2534 | |
4bcdb4a6 MC |
2535 | __owur long tls1_default_timeout(void); |
2536 | __owur int dtls1_do_write(SSL *s, int type); | |
4bcdb4a6 | 2537 | void dtls1_set_message_header(SSL *s, |
a773b52a | 2538 | unsigned char mt, |
d736bc1a MC |
2539 | size_t len, |
2540 | size_t frag_off, size_t frag_len); | |
4bcdb4a6 | 2541 | |
7ee8627f MC |
2542 | int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf_, size_t len, |
2543 | size_t *written); | |
4bcdb4a6 | 2544 | |
4bcdb4a6 MC |
2545 | __owur int dtls1_read_failed(SSL *s, int code); |
2546 | __owur int dtls1_buffer_message(SSL *s, int ccs); | |
a773b52a | 2547 | __owur int dtls1_retransmit_message(SSL *s, unsigned short seq, int *found); |
4bcdb4a6 | 2548 | __owur int dtls1_get_queue_priority(unsigned short seq, int is_ccs); |
17dd65e6 | 2549 | int dtls1_retransmit_buffered_messages(SSL *s); |
f5c7f5df MC |
2550 | void dtls1_clear_received_buffer(SSL *s); |
2551 | void dtls1_clear_sent_buffer(SSL *s); | |
0f113f3e MC |
2552 | void dtls1_get_message_header(unsigned char *data, |
2553 | struct hm_header_st *msg_hdr); | |
4bcdb4a6 MC |
2554 | __owur long dtls1_default_timeout(void); |
2555 | __owur struct timeval *dtls1_get_timeout(SSL *s, struct timeval *timeleft); | |
2556 | __owur int dtls1_check_timeout_num(SSL *s); | |
2557 | __owur int dtls1_handle_timeout(SSL *s); | |
9289f21b DSH |
2558 | void dtls1_start_timer(SSL *s); |
2559 | void dtls1_stop_timer(SSL *s); | |
4bcdb4a6 | 2560 | __owur int dtls1_is_timer_expired(SSL *s); |
9289f21b | 2561 | void dtls1_double_timeout(SSL *s); |
c536b6be | 2562 | __owur int dtls_raw_hello_verify_request(WPACKET *pkt, unsigned char *cookie, |
cb150cbc | 2563 | size_t cookie_len); |
7ee8627f | 2564 | __owur size_t dtls1_min_mtu(SSL *s); |
8a35dbb6 | 2565 | void dtls1_hm_fragment_free(hm_fragment *frag); |
8ba708e5 | 2566 | __owur int dtls1_query_mtu(SSL *s); |
480506bd | 2567 | |
4bcdb4a6 | 2568 | __owur int tls1_new(SSL *s); |
58964a49 | 2569 | void tls1_free(SSL *s); |
b77f3ed1 | 2570 | int tls1_clear(SSL *s); |
58964a49 | 2571 | |
4bcdb4a6 | 2572 | __owur int dtls1_new(SSL *s); |
36d16f8e | 2573 | void dtls1_free(SSL *s); |
b77f3ed1 | 2574 | int dtls1_clear(SSL *s); |
0f113f3e | 2575 | long dtls1_ctrl(SSL *s, int cmd, long larg, void *parg); |
4bcdb4a6 | 2576 | __owur int dtls1_shutdown(SSL *s); |
36d16f8e | 2577 | |
4bcdb4a6 | 2578 | __owur int dtls1_dispatch_alert(SSL *s); |
36d16f8e | 2579 | |
46417569 | 2580 | __owur int ssl_init_wbio_buffer(SSL *s); |
b77f3ed1 | 2581 | int ssl_free_wbio_buffer(SSL *s); |
58964a49 | 2582 | |
4bcdb4a6 MC |
2583 | __owur int tls1_change_cipher_state(SSL *s, int which); |
2584 | __owur int tls1_setup_key_block(SSL *s); | |
6db6bc5a | 2585 | __owur size_t tls1_final_finish_mac(SSL *s, const char *str, size_t slen, |
12472b45 | 2586 | unsigned char *p); |
4bcdb4a6 | 2587 | __owur int tls1_generate_master_secret(SSL *s, unsigned char *out, |
8c1a5343 MC |
2588 | unsigned char *p, size_t len, |
2589 | size_t *secret_size); | |
92760c21 MC |
2590 | __owur int tls13_setup_key_block(SSL *s); |
2591 | __owur size_t tls13_final_finish_mac(SSL *s, const char *str, size_t slen, | |
2592 | unsigned char *p); | |
0d9824c1 | 2593 | __owur int tls13_change_cipher_state(SSL *s, int which); |
c2fd15f6 | 2594 | __owur int tls13_update_key(SSL *s, int send); |
ec15acb6 MC |
2595 | __owur int tls13_hkdf_expand(SSL *s, const EVP_MD *md, |
2596 | const unsigned char *secret, | |
ace081c1 | 2597 | const unsigned char *label, size_t labellen, |
a19ae67d | 2598 | const unsigned char *data, size_t datalen, |
0fb2815b | 2599 | unsigned char *out, size_t outlen, int fatal); |
d49e23ec MC |
2600 | __owur int tls13_derive_key(SSL *s, const EVP_MD *md, |
2601 | const unsigned char *secret, unsigned char *key, | |
2602 | size_t keylen); | |
2603 | __owur int tls13_derive_iv(SSL *s, const EVP_MD *md, | |
2604 | const unsigned char *secret, unsigned char *iv, | |
2605 | size_t ivlen); | |
ec15acb6 MC |
2606 | __owur int tls13_derive_finishedkey(SSL *s, const EVP_MD *md, |
2607 | const unsigned char *secret, | |
2608 | unsigned char *fin, size_t finlen); | |
2609 | int tls13_generate_secret(SSL *s, const EVP_MD *md, | |
2610 | const unsigned char *prevsecret, | |
2611 | const unsigned char *insecret, | |
2612 | size_t insecretlen, | |
2613 | unsigned char *outsecret); | |
34574f19 MC |
2614 | __owur int tls13_generate_handshake_secret(SSL *s, |
2615 | const unsigned char *insecret, | |
2616 | size_t insecretlen); | |
2617 | __owur int tls13_generate_master_secret(SSL *s, unsigned char *out, | |
2618 | unsigned char *prev, size_t prevlen, | |
2619 | size_t *secret_size); | |
4bcdb4a6 | 2620 | __owur int tls1_export_keying_material(SSL *s, unsigned char *out, size_t olen, |
a230b26e EK |
2621 | const char *label, size_t llen, |
2622 | const unsigned char *p, size_t plen, | |
2623 | int use_context); | |
0ca8d1ec MC |
2624 | __owur int tls13_export_keying_material(SSL *s, unsigned char *out, size_t olen, |
2625 | const char *label, size_t llen, | |
2626 | const unsigned char *context, | |
2627 | size_t contextlen, int use_context); | |
b38ede80 TT |
2628 | __owur int tls13_export_keying_material_early(SSL *s, unsigned char *out, |
2629 | size_t olen, const char *label, | |
2630 | size_t llen, | |
2631 | const unsigned char *context, | |
2632 | size_t contextlen); | |
4bcdb4a6 | 2633 | __owur int tls1_alert_code(int code); |
04904312 | 2634 | __owur int tls13_alert_code(int code); |
4bcdb4a6 | 2635 | __owur int ssl3_alert_code(int code); |
58964a49 | 2636 | |
10bf4fc2 | 2637 | # ifndef OPENSSL_NO_EC |
4bcdb4a6 | 2638 | __owur int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s); |
0f113f3e | 2639 | # endif |
41fdcfa7 | 2640 | |
f73e07cf | 2641 | SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n); |
413c4f45 | 2642 | |
9d2d857f | 2643 | __owur const TLS_GROUP_INFO *tls1_group_id_lookup(SSL_CTX *ctx, uint16_t curve_id); |
260009d8 | 2644 | __owur int tls1_group_id2nid(uint16_t group_id, int include_unknown); |
dcf8b01f | 2645 | __owur int tls1_check_group_id(SSL *s, uint16_t group_id, int check_own_curves); |
8841154a | 2646 | __owur uint16_t tls1_shared_group(SSL *s, int nmatch); |
9e84a42d | 2647 | __owur int tls1_set_groups(uint16_t **pext, size_t *pextlen, |
a230b26e | 2648 | int *curves, size_t ncurves); |
260009d8 | 2649 | __owur int tls1_set_groups_list(SSL_CTX *ctx, uint16_t **pext, size_t *pextlen, |
a230b26e | 2650 | const char *str); |
f63a17d6 | 2651 | __owur EVP_PKEY *ssl_generate_pkey_group(SSL *s, uint16_t id); |
9d2d857f MC |
2652 | __owur int tls_valid_group(SSL *s, uint16_t group_id, int minversion, |
2653 | int maxversion); | |
ada66e78 | 2654 | __owur EVP_PKEY *ssl_generate_param_group(SSL *s, uint16_t id); |
dbc6268f MC |
2655 | # ifndef OPENSSL_NO_EC |
2656 | void tls1_get_formatlist(SSL *s, const unsigned char **pformats, | |
2657 | size_t *num_formats); | |
2658 | __owur int tls1_check_ec_tmp_key(SSL *s, unsigned long id); | |
0f113f3e | 2659 | # endif /* OPENSSL_NO_EC */ |
33273721 | 2660 | |
dbc6268f | 2661 | __owur int tls_group_allowed(SSL *s, uint16_t curve, int op); |
ff6d20a6 DSH |
2662 | void tls1_get_supported_groups(SSL *s, const uint16_t **pgroups, |
2663 | size_t *pgroupslen); | |
6b473aca | 2664 | |
4bcdb4a6 | 2665 | __owur int tls1_set_server_sigalgs(SSL *s); |
ddf6ec00 | 2666 | |
61fb5923 | 2667 | __owur SSL_TICKET_STATUS tls_get_ticket_from_client(SSL *s, CLIENTHELLO_MSG *hello, |
df0fed9a | 2668 | SSL_SESSION **ret); |
61fb5923 | 2669 | __owur SSL_TICKET_STATUS tls_decrypt_ticket(SSL *s, const unsigned char *etick, |
df0fed9a TS |
2670 | size_t eticklen, |
2671 | const unsigned char *sess_id, | |
2672 | size_t sesslen, SSL_SESSION **psess); | |
1053a6e2 | 2673 | |
7da160b0 | 2674 | __owur int tls_use_ticket(SSL *s); |
a2f9200f | 2675 | |
90d9e49a | 2676 | void ssl_set_sig_mask(uint32_t *pmask_a, SSL *s, int op); |
a2f9200f | 2677 | |
4bcdb4a6 | 2678 | __owur int tls1_set_sigalgs_list(CERT *c, const char *str, int client); |
fd5e1a8c BK |
2679 | __owur int tls1_set_raw_sigalgs(CERT *c, const uint16_t *psigs, size_t salglen, |
2680 | int client); | |
a230b26e EK |
2681 | __owur int tls1_set_sigalgs(CERT *c, const int *salg, size_t salglen, |
2682 | int client); | |
17dd65e6 | 2683 | int tls1_check_chain(SSL *s, X509 *x, EVP_PKEY *pk, STACK_OF(X509) *chain, |
0f113f3e | 2684 | int idx); |
d61ff83b | 2685 | void tls1_set_cert_validity(SSL *s); |
0f229cce | 2686 | |
a230b26e | 2687 | # ifndef OPENSSL_NO_CT |
4d482ee2 | 2688 | __owur int ssl_validate_ct(SSL *s); |
a230b26e | 2689 | # endif |
ed29e82a | 2690 | |
0f113f3e | 2691 | # ifndef OPENSSL_NO_DH |
4bcdb4a6 | 2692 | __owur DH *ssl_get_auto_dh(SSL *s); |
0f113f3e | 2693 | # endif |
b362ccab | 2694 | |
4bcdb4a6 | 2695 | __owur int ssl_security_cert(SSL *s, SSL_CTX *ctx, X509 *x, int vfy, int is_ee); |
a230b26e EK |
2696 | __owur int ssl_security_cert_chain(SSL *s, STACK_OF(X509) *sk, X509 *ex, |
2697 | int vfy); | |
b362ccab | 2698 | |
f63a17d6 | 2699 | int tls_choose_sigalg(SSL *s, int fatalerrs); |
93a77f9e | 2700 | |
4bcdb4a6 | 2701 | __owur EVP_MD_CTX *ssl_replace_hash(EVP_MD_CTX **hash, const EVP_MD *md); |
b948e2c5 | 2702 | void ssl_clear_hash_ctx(EVP_MD_CTX **hash); |
4bcdb4a6 | 2703 | __owur long ssl_get_algorithm2(SSL *s); |
ae2f7b37 | 2704 | __owur int tls12_copy_sigalgs(SSL *s, WPACKET *pkt, |
98c792d1 | 2705 | const uint16_t *psig, size_t psiglen); |
9e84a42d | 2706 | __owur int tls1_save_u16(PACKET *pkt, uint16_t **pdest, size_t *pdestlen); |
c589c34e | 2707 | __owur int tls1_save_sigalgs(SSL *s, PACKET *pkt, int cert); |
4bcdb4a6 | 2708 | __owur int tls1_process_sigalgs(SSL *s); |
0972bc5c | 2709 | __owur int tls1_set_peer_legacy_sigalg(SSL *s, const EVP_PKEY *pkey); |
c8f6c28a MC |
2710 | __owur int tls1_lookup_md(SSL_CTX *ctx, const SIGALG_LOOKUP *lu, |
2711 | const EVP_MD **pmd); | |
98c792d1 | 2712 | __owur size_t tls12_get_psigalgs(SSL *s, int sent, const uint16_t **psigs); |
65d2c16c | 2713 | # ifndef OPENSSL_NO_EC |
de4dc598 | 2714 | __owur int tls_check_sigalg_curve(const SSL *s, int curve); |
65d2c16c | 2715 | # endif |
f742cda8 | 2716 | __owur int tls12_check_peer_sigalg(SSL *s, uint16_t, EVP_PKEY *pkey); |
1d0c08b4 | 2717 | __owur int ssl_set_client_disabled(SSL *s); |
b0031e5d | 2718 | __owur int ssl_cipher_disabled(const SSL *s, const SSL_CIPHER *c, int op, int echde); |
1c78c43b | 2719 | |
8c1a5343 MC |
2720 | __owur int ssl_handshake_hash(SSL *s, unsigned char *out, size_t outlen, |
2721 | size_t *hashlen); | |
c8f6c28a | 2722 | __owur const EVP_MD *ssl_md(SSL_CTX *ctx, int idx); |
28ba2541 DSH |
2723 | __owur const EVP_MD *ssl_handshake_md(SSL *s); |
2724 | __owur const EVP_MD *ssl_prf_md(SSL *s); | |
48fbcbac | 2725 | |
2faa1b48 CB |
2726 | /* |
2727 | * ssl_log_rsa_client_key_exchange logs |premaster| to the SSL_CTX associated | |
2728 | * with |ssl|, if logging is enabled. It returns one on success and zero on | |
2729 | * failure. The entry is identified by the first 8 bytes of | |
2730 | * |encrypted_premaster|. | |
2731 | */ | |
2732 | __owur int ssl_log_rsa_client_key_exchange(SSL *ssl, | |
2733 | const uint8_t *encrypted_premaster, | |
2734 | size_t encrypted_premaster_len, | |
2735 | const uint8_t *premaster, | |
2736 | size_t premaster_len); | |
2737 | ||
2c7bd692 CB |
2738 | /* |
2739 | * ssl_log_secret logs |secret| to the SSL_CTX associated with |ssl|, if | |
2740 | * logging is available. It returns one on success and zero on failure. It tags | |
2741 | * the entry with |label|. | |
2faa1b48 | 2742 | */ |
2c7bd692 CB |
2743 | __owur int ssl_log_secret(SSL *ssl, const char *label, |
2744 | const uint8_t *secret, size_t secret_len); | |
2745 | ||
2746 | #define MASTER_SECRET_LABEL "CLIENT_RANDOM" | |
d49e23ec | 2747 | #define CLIENT_EARLY_LABEL "CLIENT_EARLY_TRAFFIC_SECRET" |
2c7bd692 CB |
2748 | #define CLIENT_HANDSHAKE_LABEL "CLIENT_HANDSHAKE_TRAFFIC_SECRET" |
2749 | #define SERVER_HANDSHAKE_LABEL "SERVER_HANDSHAKE_TRAFFIC_SECRET" | |
2750 | #define CLIENT_APPLICATION_LABEL "CLIENT_TRAFFIC_SECRET_0" | |
2751 | #define SERVER_APPLICATION_LABEL "SERVER_TRAFFIC_SECRET_0" | |
01a2a654 | 2752 | #define EARLY_EXPORTER_SECRET_LABEL "EARLY_EXPORTER_SECRET" |
6329ce8f | 2753 | #define EXPORTER_SECRET_LABEL "EXPORTER_SECRET" |
2faa1b48 | 2754 | |
c7b46b54 JB |
2755 | # ifndef OPENSSL_NO_KTLS |
2756 | /* ktls.c */ | |
2757 | int ktls_check_supported_cipher(const SSL *s, const EVP_CIPHER *c, | |
2758 | const EVP_CIPHER_CTX *dd); | |
2759 | int ktls_configure_crypto(const SSL *s, const EVP_CIPHER *c, EVP_CIPHER_CTX *dd, | |
2760 | void *rl_sequence, ktls_crypto_info_t *crypto_info, | |
2761 | unsigned char **rec_seq, unsigned char *iv, | |
2762 | unsigned char *key, unsigned char *mac_key, | |
2763 | size_t mac_secret_size); | |
2764 | # endif | |
2765 | ||
2acc020b | 2766 | /* s3_cbc.c */ |
4bcdb4a6 | 2767 | __owur char ssl3_cbc_record_digest_supported(const EVP_MD_CTX *ctx); |
3fddbb26 | 2768 | __owur int ssl3_cbc_digest_record(const EVP_MD *md, |
5f3d93e4 MC |
2769 | unsigned char *md_out, |
2770 | size_t *md_out_size, | |
2771 | const unsigned char header[13], | |
2772 | const unsigned char *data, | |
e08f86dd | 2773 | size_t data_size, |
5f3d93e4 MC |
2774 | size_t data_plus_mac_plus_padding_size, |
2775 | const unsigned char *mac_secret, | |
d0e7c31d | 2776 | size_t mac_secret_length, char is_sslv3); |
0f113f3e | 2777 | |
57b272b0 DSH |
2778 | __owur int srp_generate_server_master_secret(SSL *s); |
2779 | __owur int srp_generate_client_master_secret(SSL *s); | |
a2c2e000 | 2780 | __owur int srp_verify_server_param(SSL *s); |
0989790b | 2781 | |
9d75dce3 TS |
2782 | /* statem/statem_srvr.c */ |
2783 | ||
2784 | __owur int send_certificate_request(SSL *s); | |
2785 | ||
43ae5eed MC |
2786 | /* statem/extensions_cust.c */ |
2787 | ||
787d9ec7 MC |
2788 | custom_ext_method *custom_ext_find(const custom_ext_methods *exts, |
2789 | ENDPOINT role, unsigned int ext_type, | |
2790 | size_t *idx); | |
ecf4d660 | 2791 | |
28ea0a0c DSH |
2792 | void custom_ext_init(custom_ext_methods *meths); |
2793 | ||
43ae5eed | 2794 | __owur int custom_ext_parse(SSL *s, unsigned int context, unsigned int ext_type, |
a230b26e | 2795 | const unsigned char *ext_data, size_t ext_size, |
f63a17d6 | 2796 | X509 *x, size_t chainidx); |
43ae5eed | 2797 | __owur int custom_ext_add(SSL *s, int context, WPACKET *pkt, X509 *x, |
f63a17d6 | 2798 | size_t chainidx, int maxversion); |
a230b26e EK |
2799 | |
2800 | __owur int custom_exts_copy(custom_ext_methods *dst, | |
2801 | const custom_ext_methods *src); | |
21181889 MC |
2802 | __owur int custom_exts_copy_flags(custom_ext_methods *dst, |
2803 | const custom_ext_methods *src); | |
ecf4d660 DSH |
2804 | void custom_exts_free(custom_ext_methods *exts); |
2805 | ||
b3599dbb | 2806 | void ssl_comp_free_compression_methods_int(void); |
03b0e735 | 2807 | |
8a5ed9dc TM |
2808 | /* ssl_mcnf.c */ |
2809 | void ssl_ctx_system_config(SSL_CTX *ctx); | |
2810 | ||
c8f6c28a MC |
2811 | const EVP_CIPHER *ssl_evp_cipher_fetch(OPENSSL_CTX *libctx, |
2812 | int nid, | |
2813 | const char *properties); | |
2814 | int ssl_evp_cipher_up_ref(const EVP_CIPHER *cipher); | |
2815 | void ssl_evp_cipher_free(const EVP_CIPHER *cipher); | |
2816 | const EVP_MD *ssl_evp_md_fetch(OPENSSL_CTX *libctx, | |
2817 | int nid, | |
2818 | const char *properties); | |
2819 | int ssl_evp_md_up_ref(const EVP_MD *md); | |
2820 | void ssl_evp_md_free(const EVP_MD *md); | |
2821 | ||
b5588178 MC |
2822 | int tls_provider_set_tls_params(SSL *s, EVP_CIPHER_CTX *ctx, |
2823 | const EVP_CIPHER *ciph, | |
2824 | const EVP_MD *md); | |
c8f6c28a | 2825 | |
4ee7d3f9 | 2826 | # else /* OPENSSL_UNIT_TEST */ |
e0fc7961 | 2827 | |
0f113f3e MC |
2828 | # define ssl_init_wbio_buffer SSL_test_functions()->p_ssl_init_wbio_buffer |
2829 | # define ssl3_setup_buffers SSL_test_functions()->p_ssl3_setup_buffers | |
c4e6fb15 | 2830 | |
0f113f3e | 2831 | # endif |
e0fc7961 | 2832 | #endif |