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846e33c7 | 1 | /* |
4333b89f | 2 | * Copyright 1995-2021 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 | 14 | |
d5f9166b | 15 | # include "internal/e_os.h" /* struct timeval for DTLS */ |
0f113f3e MC |
16 | # include <stdlib.h> |
17 | # include <time.h> | |
0f113f3e | 18 | # include <errno.h> |
af16097f | 19 | # include "internal/common.h" /* for HAS_PREFIX */ |
d02b48c6 | 20 | |
0f113f3e | 21 | # include <openssl/buffer.h> |
3c27208f | 22 | # include <openssl/comp.h> |
0f113f3e | 23 | # include <openssl/bio.h> |
3c27208f | 24 | # include <openssl/dsa.h> |
0f113f3e MC |
25 | # include <openssl/err.h> |
26 | # include <openssl/ssl.h> | |
07bbc92c | 27 | # include <openssl/async.h> |
0f113f3e | 28 | # include <openssl/symhacks.h> |
3c27208f | 29 | # include <openssl/ct.h> |
a230b26e EK |
30 | # include "record/record.h" |
31 | # include "statem/statem.h" | |
0d345f0e | 32 | # include "internal/packet.h" |
a230b26e | 33 | # include "internal/dane.h" |
2f545ae4 | 34 | # include "internal/refcount.h" |
9ef9088c | 35 | # include "internal/tsan_assist.h" |
50ec7505 | 36 | # include "internal/bio.h" |
c7b46b54 | 37 | # include "internal/ktls.h" |
52e1d7b1 | 38 | |
0f113f3e MC |
39 | # ifdef OPENSSL_BUILD_SHLIBSSL |
40 | # undef OPENSSL_EXTERN | |
41 | # define OPENSSL_EXTERN OPENSSL_EXPORT | |
42 | # endif | |
26da3e65 | 43 | |
0f113f3e MC |
44 | # define c2l(c,l) (l = ((unsigned long)(*((c)++))) , \ |
45 | l|=(((unsigned long)(*((c)++)))<< 8), \ | |
46 | l|=(((unsigned long)(*((c)++)))<<16), \ | |
47 | l|=(((unsigned long)(*((c)++)))<<24)) | |
d02b48c6 RE |
48 | |
49 | /* NOTE - c is not incremented as per c2l */ | |
0f113f3e MC |
50 | # define c2ln(c,l1,l2,n) { \ |
51 | c+=n; \ | |
52 | l1=l2=0; \ | |
53 | switch (n) { \ | |
54 | case 8: l2 =((unsigned long)(*(--(c))))<<24; \ | |
55 | case 7: l2|=((unsigned long)(*(--(c))))<<16; \ | |
56 | case 6: l2|=((unsigned long)(*(--(c))))<< 8; \ | |
57 | case 5: l2|=((unsigned long)(*(--(c)))); \ | |
58 | case 4: l1 =((unsigned long)(*(--(c))))<<24; \ | |
59 | case 3: l1|=((unsigned long)(*(--(c))))<<16; \ | |
60 | case 2: l1|=((unsigned long)(*(--(c))))<< 8; \ | |
61 | case 1: l1|=((unsigned long)(*(--(c)))); \ | |
62 | } \ | |
63 | } | |
64 | ||
65 | # define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \ | |
66 | *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ | |
67 | *((c)++)=(unsigned char)(((l)>>16)&0xff), \ | |
68 | *((c)++)=(unsigned char)(((l)>>24)&0xff)) | |
69 | ||
70 | # define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24, \ | |
71 | l|=((unsigned long)(*((c)++)))<<16, \ | |
72 | l|=((unsigned long)(*((c)++)))<< 8, \ | |
73 | l|=((unsigned long)(*((c)++)))) | |
74 | ||
31c34a3e DW |
75 | # define n2l8(c,l) (l =((uint64_t)(*((c)++)))<<56, \ |
76 | l|=((uint64_t)(*((c)++)))<<48, \ | |
77 | l|=((uint64_t)(*((c)++)))<<40, \ | |
78 | l|=((uint64_t)(*((c)++)))<<32, \ | |
79 | l|=((uint64_t)(*((c)++)))<<24, \ | |
80 | l|=((uint64_t)(*((c)++)))<<16, \ | |
81 | l|=((uint64_t)(*((c)++)))<< 8, \ | |
82 | l|=((uint64_t)(*((c)++)))) | |
83 | ||
84 | ||
0f113f3e MC |
85 | # define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24)&0xff), \ |
86 | *((c)++)=(unsigned char)(((l)>>16)&0xff), \ | |
87 | *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ | |
88 | *((c)++)=(unsigned char)(((l) )&0xff)) | |
89 | ||
90 | # define l2n6(l,c) (*((c)++)=(unsigned char)(((l)>>40)&0xff), \ | |
91 | *((c)++)=(unsigned char)(((l)>>32)&0xff), \ | |
92 | *((c)++)=(unsigned char)(((l)>>24)&0xff), \ | |
93 | *((c)++)=(unsigned char)(((l)>>16)&0xff), \ | |
94 | *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ | |
95 | *((c)++)=(unsigned char)(((l) )&0xff)) | |
96 | ||
97 | # define l2n8(l,c) (*((c)++)=(unsigned char)(((l)>>56)&0xff), \ | |
98 | *((c)++)=(unsigned char)(((l)>>48)&0xff), \ | |
99 | *((c)++)=(unsigned char)(((l)>>40)&0xff), \ | |
100 | *((c)++)=(unsigned char)(((l)>>32)&0xff), \ | |
101 | *((c)++)=(unsigned char)(((l)>>24)&0xff), \ | |
102 | *((c)++)=(unsigned char)(((l)>>16)&0xff), \ | |
103 | *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ | |
104 | *((c)++)=(unsigned char)(((l) )&0xff)) | |
105 | ||
d02b48c6 | 106 | /* NOTE - c is not incremented as per l2c */ |
0f113f3e MC |
107 | # define l2cn(l1,l2,c,n) { \ |
108 | c+=n; \ | |
109 | switch (n) { \ | |
110 | case 8: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \ | |
111 | case 7: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \ | |
112 | case 6: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \ | |
113 | case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \ | |
114 | case 4: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \ | |
115 | case 3: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \ | |
116 | case 2: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \ | |
117 | case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \ | |
118 | } \ | |
119 | } | |
120 | ||
d4450e4b MC |
121 | # define n2s(c,s) ((s=(((unsigned int)((c)[0]))<< 8)| \ |
122 | (((unsigned int)((c)[1])) )),(c)+=2) | |
123 | # define s2n(s,c) (((c)[0]=(unsigned char)(((s)>> 8)&0xff), \ | |
124 | (c)[1]=(unsigned char)(((s) )&0xff)),(c)+=2) | |
125 | ||
126 | # define n2l3(c,l) ((l =(((unsigned long)((c)[0]))<<16)| \ | |
127 | (((unsigned long)((c)[1]))<< 8)| \ | |
128 | (((unsigned long)((c)[2])) )),(c)+=3) | |
129 | ||
130 | # define l2n3(l,c) (((c)[0]=(unsigned char)(((l)>>16)&0xff), \ | |
131 | (c)[1]=(unsigned char)(((l)>> 8)&0xff), \ | |
132 | (c)[2]=(unsigned char)(((l) )&0xff)),(c)+=3) | |
d02b48c6 | 133 | |
5c587fb6 KR |
134 | # define TLS_MAX_VERSION_INTERNAL TLS1_3_VERSION |
135 | # define DTLS_MAX_VERSION_INTERNAL DTLS1_2_VERSION | |
136 | ||
a230b26e EK |
137 | /* |
138 | * DTLS version numbers are strange because they're inverted. Except for | |
139 | * DTLS1_BAD_VER, which should be considered "lower" than the rest. | |
140 | */ | |
141 | # define dtls_ver_ordinal(v1) (((v1) == DTLS1_BAD_VER) ? 0xff00 : (v1)) | |
142 | # define DTLS_VERSION_GT(v1, v2) (dtls_ver_ordinal(v1) < dtls_ver_ordinal(v2)) | |
143 | # define DTLS_VERSION_GE(v1, v2) (dtls_ver_ordinal(v1) <= dtls_ver_ordinal(v2)) | |
144 | # define DTLS_VERSION_LT(v1, v2) (dtls_ver_ordinal(v1) > dtls_ver_ordinal(v2)) | |
145 | # define DTLS_VERSION_LE(v1, v2) (dtls_ver_ordinal(v1) >= dtls_ver_ordinal(v2)) | |
7946ab33 | 146 | |
d02b48c6 | 147 | |
018e57c7 DSH |
148 | /* |
149 | * Define the Bitmasks for SSL_CIPHER.algorithms. | |
150 | * This bits are used packed as dense as possible. If new methods/ciphers | |
151 | * etc will be added, the bits a likely to change, so this information | |
152 | * is for internal library use only, even though SSL_CIPHER.algorithms | |
153 | * can be publicly accessed. | |
154 | * Use the according functions for cipher management instead. | |
155 | * | |
657e60fa | 156 | * The bit mask handling in the selection and sorting scheme in |
018e57c7 | 157 | * ssl_create_cipher_list() has only limited capabilities, reflecting |
657e60fa | 158 | * that the different entities within are mutually exclusive: |
018e57c7 DSH |
159 | * ONLY ONE BIT PER MASK CAN BE SET AT A TIME. |
160 | */ | |
52b8dad8 BM |
161 | |
162 | /* Bits for algorithm_mkey (key exchange algorithm) */ | |
68d39f3c | 163 | /* RSA key exchange */ |
36e79832 | 164 | # define SSL_kRSA 0x00000001U |
68d39f3c | 165 | /* tmp DH key no DH cert */ |
bc71f910 | 166 | # define SSL_kDHE 0x00000002U |
68d39f3c | 167 | /* synonym */ |
0f113f3e | 168 | # define SSL_kEDH SSL_kDHE |
68d39f3c | 169 | /* ephemeral ECDH */ |
ce0c1f2b | 170 | # define SSL_kECDHE 0x00000004U |
68d39f3c | 171 | /* synonym */ |
0f113f3e | 172 | # define SSL_kEECDH SSL_kECDHE |
68d39f3c | 173 | /* PSK */ |
ce0c1f2b | 174 | # define SSL_kPSK 0x00000008U |
68d39f3c | 175 | /* GOST key exchange */ |
ce0c1f2b | 176 | # define SSL_kGOST 0x00000010U |
68d39f3c | 177 | /* SRP */ |
ce0c1f2b | 178 | # define SSL_kSRP 0x00000020U |
52b8dad8 | 179 | |
ce0c1f2b DSH |
180 | # define SSL_kRSAPSK 0x00000040U |
181 | # define SSL_kECDHEPSK 0x00000080U | |
182 | # define SSL_kDHEPSK 0x00000100U | |
5a5530a2 DB |
183 | /* GOST KDF key exchange, draft-smyshlyaev-tls12-gost-suites */ |
184 | # define SSL_kGOST18 0x00000200U | |
64651d39 DSH |
185 | |
186 | /* all PSK */ | |
187 | ||
a230b26e | 188 | # define SSL_PSK (SSL_kPSK | SSL_kRSAPSK | SSL_kECDHEPSK | SSL_kDHEPSK) |
64651d39 | 189 | |
e5c4bf93 DSH |
190 | /* Any appropriate key exchange algorithm (for TLS 1.3 ciphersuites) */ |
191 | # define SSL_kANY 0x00000000U | |
192 | ||
52b8dad8 | 193 | /* Bits for algorithm_auth (server authentication) */ |
68d39f3c | 194 | /* RSA auth */ |
36e79832 | 195 | # define SSL_aRSA 0x00000001U |
68d39f3c | 196 | /* DSS auth */ |
36e79832 | 197 | # define SSL_aDSS 0x00000002U |
68d39f3c | 198 | /* no auth (i.e. use ADH or AECDH) */ |
36e79832 | 199 | # define SSL_aNULL 0x00000004U |
68d39f3c | 200 | /* ECDSA auth*/ |
ce0c1f2b | 201 | # define SSL_aECDSA 0x00000008U |
68d39f3c | 202 | /* PSK auth */ |
ce0c1f2b | 203 | # define SSL_aPSK 0x00000010U |
68d39f3c | 204 | /* GOST R 34.10-2001 signature auth */ |
ce0c1f2b | 205 | # define SSL_aGOST01 0x00000020U |
68d39f3c | 206 | /* SRP auth */ |
ce0c1f2b | 207 | # define SSL_aSRP 0x00000040U |
e44380a9 | 208 | /* GOST R 34.10-2012 signature auth */ |
ce0c1f2b | 209 | # define SSL_aGOST12 0x00000080U |
e5c4bf93 DSH |
210 | /* Any appropriate signature auth (for TLS 1.3 ciphersuites) */ |
211 | # define SSL_aANY 0x00000000U | |
e4fb8b47 DSH |
212 | /* All bits requiring a certificate */ |
213 | #define SSL_aCERT \ | |
214 | (SSL_aRSA | SSL_aDSS | SSL_aECDSA | SSL_aGOST01 | SSL_aGOST12) | |
52b8dad8 BM |
215 | |
216 | /* Bits for algorithm_enc (symmetric encryption) */ | |
36e79832 DSH |
217 | # define SSL_DES 0x00000001U |
218 | # define SSL_3DES 0x00000002U | |
219 | # define SSL_RC4 0x00000004U | |
220 | # define SSL_RC2 0x00000008U | |
221 | # define SSL_IDEA 0x00000010U | |
222 | # define SSL_eNULL 0x00000020U | |
223 | # define SSL_AES128 0x00000040U | |
224 | # define SSL_AES256 0x00000080U | |
225 | # define SSL_CAMELLIA128 0x00000100U | |
226 | # define SSL_CAMELLIA256 0x00000200U | |
227 | # define SSL_eGOST2814789CNT 0x00000400U | |
228 | # define SSL_SEED 0x00000800U | |
229 | # define SSL_AES128GCM 0x00001000U | |
230 | # define SSL_AES256GCM 0x00002000U | |
231 | # define SSL_AES128CCM 0x00004000U | |
232 | # define SSL_AES256CCM 0x00008000U | |
233 | # define SSL_AES128CCM8 0x00010000U | |
234 | # define SSL_AES256CCM8 0x00020000U | |
e44380a9 | 235 | # define SSL_eGOST2814789CNT12 0x00040000U |
a76ba82c | 236 | # define SSL_CHACHA20POLY1305 0x00080000U |
bc326738 JS |
237 | # define SSL_ARIA128GCM 0x00100000U |
238 | # define SSL_ARIA256GCM 0x00200000U | |
5a5530a2 DB |
239 | # define SSL_MAGMA 0x00400000U |
240 | # define SSL_KUZNYECHIK 0x00800000U | |
0f113f3e | 241 | |
a556f342 EK |
242 | # define SSL_AESGCM (SSL_AES128GCM | SSL_AES256GCM) |
243 | # define SSL_AESCCM (SSL_AES128CCM | SSL_AES256CCM | SSL_AES128CCM8 | SSL_AES256CCM8) | |
244 | # define SSL_AES (SSL_AES128|SSL_AES256|SSL_AESGCM|SSL_AESCCM) | |
0f113f3e | 245 | # define SSL_CAMELLIA (SSL_CAMELLIA128|SSL_CAMELLIA256) |
1c37fd96 | 246 | # define SSL_CHACHA20 (SSL_CHACHA20POLY1305) |
bc326738 JS |
247 | # define SSL_ARIAGCM (SSL_ARIA128GCM | SSL_ARIA256GCM) |
248 | # define SSL_ARIA (SSL_ARIAGCM) | |
c1fd005b OH |
249 | # define SSL_CBC (SSL_DES | SSL_3DES | SSL_RC2 | SSL_IDEA \ |
250 | | SSL_AES128 | SSL_AES256 | SSL_CAMELLIA128 \ | |
251 | | SSL_CAMELLIA256 | SSL_SEED) | |
52b8dad8 BM |
252 | |
253 | /* Bits for algorithm_mac (symmetric authentication) */ | |
28dd49fa | 254 | |
36e79832 DSH |
255 | # define SSL_MD5 0x00000001U |
256 | # define SSL_SHA1 0x00000002U | |
257 | # define SSL_GOST94 0x00000004U | |
258 | # define SSL_GOST89MAC 0x00000008U | |
259 | # define SSL_SHA256 0x00000010U | |
260 | # define SSL_SHA384 0x00000020U | |
28dd49fa | 261 | /* Not a real MAC, just an indication it is part of cipher */ |
36e79832 | 262 | # define SSL_AEAD 0x00000040U |
e44380a9 DB |
263 | # define SSL_GOST12_256 0x00000080U |
264 | # define SSL_GOST89MAC12 0x00000100U | |
265 | # define SSL_GOST12_512 0x00000200U | |
5a5530a2 DB |
266 | # define SSL_MAGMAOMAC 0x00000400U |
267 | # define SSL_KUZNYECHIKOMAC 0x00000800U | |
52b8dad8 | 268 | |
0f113f3e | 269 | /* |
e44380a9 | 270 | * When adding new digest in the ssl_ciph.c and increment SSL_MD_NUM_IDX make |
0f113f3e MC |
271 | * sure to update this constant too |
272 | */ | |
28ba2541 DSH |
273 | |
274 | # define SSL_MD_MD5_IDX 0 | |
275 | # define SSL_MD_SHA1_IDX 1 | |
276 | # define SSL_MD_GOST94_IDX 2 | |
277 | # define SSL_MD_GOST89MAC_IDX 3 | |
278 | # define SSL_MD_SHA256_IDX 4 | |
279 | # define SSL_MD_SHA384_IDX 5 | |
280 | # define SSL_MD_GOST12_256_IDX 6 | |
281 | # define SSL_MD_GOST89MAC12_IDX 7 | |
282 | # define SSL_MD_GOST12_512_IDX 8 | |
283 | # define SSL_MD_MD5_SHA1_IDX 9 | |
7afd2312 DSH |
284 | # define SSL_MD_SHA224_IDX 10 |
285 | # define SSL_MD_SHA512_IDX 11 | |
5a5530a2 DB |
286 | # define SSL_MD_MAGMAOMAC_IDX 12 |
287 | # define SSL_MD_KUZNYECHIKOMAC_IDX 13 | |
288 | # define SSL_MAX_DIGEST 14 | |
28ba2541 | 289 | |
c8f6c28a MC |
290 | #define SSL_MD_NUM_IDX SSL_MAX_DIGEST |
291 | ||
28ba2541 DSH |
292 | /* Bits for algorithm2 (handshake digests and other extra flags) */ |
293 | ||
294 | /* Bits 0-7 are handshake MAC */ | |
295 | # define SSL_HANDSHAKE_MAC_MASK 0xFF | |
296 | # define SSL_HANDSHAKE_MAC_MD5_SHA1 SSL_MD_MD5_SHA1_IDX | |
297 | # define SSL_HANDSHAKE_MAC_SHA256 SSL_MD_SHA256_IDX | |
298 | # define SSL_HANDSHAKE_MAC_SHA384 SSL_MD_SHA384_IDX | |
299 | # define SSL_HANDSHAKE_MAC_GOST94 SSL_MD_GOST94_IDX | |
300 | # define SSL_HANDSHAKE_MAC_GOST12_256 SSL_MD_GOST12_256_IDX | |
301 | # define SSL_HANDSHAKE_MAC_GOST12_512 SSL_MD_GOST12_512_IDX | |
302 | # define SSL_HANDSHAKE_MAC_DEFAULT SSL_HANDSHAKE_MAC_MD5_SHA1 | |
303 | ||
304 | /* Bits 8-15 bits are PRF */ | |
305 | # define TLS1_PRF_DGST_SHIFT 8 | |
306 | # define TLS1_PRF_SHA1_MD5 (SSL_MD_MD5_SHA1_IDX << TLS1_PRF_DGST_SHIFT) | |
307 | # define TLS1_PRF_SHA256 (SSL_MD_SHA256_IDX << TLS1_PRF_DGST_SHIFT) | |
308 | # define TLS1_PRF_SHA384 (SSL_MD_SHA384_IDX << TLS1_PRF_DGST_SHIFT) | |
309 | # define TLS1_PRF_GOST94 (SSL_MD_GOST94_IDX << TLS1_PRF_DGST_SHIFT) | |
310 | # define TLS1_PRF_GOST12_256 (SSL_MD_GOST12_256_IDX << TLS1_PRF_DGST_SHIFT) | |
311 | # define TLS1_PRF_GOST12_512 (SSL_MD_GOST12_512_IDX << TLS1_PRF_DGST_SHIFT) | |
312 | # define TLS1_PRF (SSL_MD_MD5_SHA1_IDX << TLS1_PRF_DGST_SHIFT) | |
761772d7 | 313 | |
0f113f3e MC |
314 | /* |
315 | * Stream MAC for GOST ciphersuites from cryptopro draft (currently this also | |
316 | * goes into algorithm2) | |
317 | */ | |
28ba2541 | 318 | # define TLS1_STREAM_MAC 0x10000 |
5a5530a2 DB |
319 | /* |
320 | * TLSTREE cipher/mac key derivation from draft-smyshlyaev-tls12-gost-suites | |
321 | * (currently this also goes into algorithm2) | |
322 | */ | |
323 | # define TLS1_TLSTREE 0x20000 | |
761772d7 | 324 | |
88a9614b | 325 | # define SSL_STRONG_MASK 0x0000001FU |
361a1191 | 326 | # define SSL_DEFAULT_MASK 0X00000020U |
c84f7f4a | 327 | |
361a1191 KR |
328 | # define SSL_STRONG_NONE 0x00000001U |
329 | # define SSL_LOW 0x00000002U | |
330 | # define SSL_MEDIUM 0x00000004U | |
331 | # define SSL_HIGH 0x00000008U | |
332 | # define SSL_FIPS 0x00000010U | |
333 | # define SSL_NOT_DEFAULT 0x00000020U | |
018e57c7 | 334 | |
361a1191 | 335 | /* we have used 0000003f - 26 bits left to go */ |
d02b48c6 | 336 | |
34f7245b MC |
337 | /* Flag used on OpenSSL ciphersuite ids to indicate they are for SSLv3+ */ |
338 | # define SSL3_CK_CIPHERSUITE_FLAG 0x03000000 | |
339 | ||
890f2f8b | 340 | /* Check if an SSL structure is using DTLS */ |
0f113f3e | 341 | # define SSL_IS_DTLS(s) (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS) |
f2342b7a MC |
342 | |
343 | /* Check if we are using TLSv1.3 */ | |
c805f618 MC |
344 | # define SSL_IS_TLS13(s) (!SSL_IS_DTLS(s) \ |
345 | && (s)->method->version >= TLS1_3_VERSION \ | |
346 | && (s)->method->version != TLS_ANY_VERSION) | |
f2342b7a | 347 | |
49e7fe12 | 348 | # define SSL_TREAT_AS_TLS13(s) \ |
7b0a3ce0 MC |
349 | (SSL_IS_TLS13(s) || (s)->early_data_state == SSL_EARLY_DATA_CONNECTING \ |
350 | || (s)->early_data_state == SSL_EARLY_DATA_CONNECT_RETRY \ | |
351 | || (s)->early_data_state == SSL_EARLY_DATA_WRITING \ | |
758e05c5 MC |
352 | || (s)->early_data_state == SSL_EARLY_DATA_WRITE_RETRY \ |
353 | || (s)->hello_retry_request == SSL_HRR_PENDING) | |
49e7fe12 | 354 | |
555cbb32 TS |
355 | # define SSL_IS_FIRST_HANDSHAKE(S) ((s)->s3.tmp.finish_md_len == 0 \ |
356 | || (s)->s3.tmp.peer_finish_md_len == 0) | |
c7f47786 | 357 | |
cbd64894 | 358 | /* See if we need explicit IV */ |
0f113f3e MC |
359 | # define SSL_USE_EXPLICIT_IV(s) \ |
360 | (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_EXPLICIT_IV) | |
361 | /* | |
362 | * See if we use signature algorithms extension and signature algorithm | |
363 | * before signatures. | |
cbd64894 | 364 | */ |
0f113f3e MC |
365 | # define SSL_USE_SIGALGS(s) \ |
366 | (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_SIGALGS) | |
367 | /* | |
368 | * Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2: may | |
369 | * apply to others in future. | |
4221c0dd | 370 | */ |
0f113f3e MC |
371 | # define SSL_USE_TLS1_2_CIPHERS(s) \ |
372 | (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_TLS1_2_CIPHERS) | |
373 | /* | |
374 | * Determine if a client can use TLS 1.2 ciphersuites: can't rely on method | |
1e2d4cb0 DSH |
375 | * flags because it may not be set to correct version yet. |
376 | */ | |
0f113f3e | 377 | # define SSL_CLIENT_USE_TLS1_2_CIPHERS(s) \ |
4fa52141 VD |
378 | ((!SSL_IS_DTLS(s) && s->client_version >= TLS1_2_VERSION) || \ |
379 | (SSL_IS_DTLS(s) && DTLS_VERSION_GE(s->client_version, DTLS1_2_VERSION))) | |
f7aa3185 DB |
380 | /* |
381 | * Determine if a client should send signature algorithms extension: | |
382 | * as with TLS1.2 cipher we can't rely on method flags. | |
383 | */ | |
384 | # define SSL_CLIENT_USE_SIGALGS(s) \ | |
385 | SSL_CLIENT_USE_TLS1_2_CIPHERS(s) | |
0f113f3e | 386 | |
cf72c757 F |
387 | # define IS_MAX_FRAGMENT_LENGTH_EXT_VALID(value) \ |
388 | (((value) >= TLSEXT_max_fragment_length_512) && \ | |
389 | ((value) <= TLSEXT_max_fragment_length_4096)) | |
390 | # define USE_MAX_FRAGMENT_LENGTH_EXT(session) \ | |
391 | IS_MAX_FRAGMENT_LENGTH_EXT_VALID(session->ext.max_fragment_len_mode) | |
392 | # define GET_MAX_FRAGMENT_LENGTH(session) \ | |
393 | (512U << (session->ext.max_fragment_len_mode - 1)) | |
394 | ||
555cbb32 TS |
395 | # define SSL_READ_ETM(s) (s->s3.flags & TLS1_FLAGS_ENCRYPT_THEN_MAC_READ) |
396 | # define SSL_WRITE_ETM(s) (s->s3.flags & TLS1_FLAGS_ENCRYPT_THEN_MAC_WRITE) | |
5e3ff62c | 397 | |
d02b48c6 | 398 | /* Mostly for SSLv3 */ |
d0ff28f8 | 399 | # define SSL_PKEY_RSA 0 |
045d078a DSH |
400 | # define SSL_PKEY_RSA_PSS_SIGN 1 |
401 | # define SSL_PKEY_DSA_SIGN 2 | |
402 | # define SSL_PKEY_ECC 3 | |
403 | # define SSL_PKEY_GOST01 4 | |
404 | # define SSL_PKEY_GOST12_256 5 | |
405 | # define SSL_PKEY_GOST12_512 6 | |
406 | # define SSL_PKEY_ED25519 7 | |
0e1d6ecf MC |
407 | # define SSL_PKEY_ED448 8 |
408 | # define SSL_PKEY_NUM 9 | |
d02b48c6 | 409 | |
c8f6c28a MC |
410 | # define SSL_ENC_DES_IDX 0 |
411 | # define SSL_ENC_3DES_IDX 1 | |
412 | # define SSL_ENC_RC4_IDX 2 | |
413 | # define SSL_ENC_RC2_IDX 3 | |
414 | # define SSL_ENC_IDEA_IDX 4 | |
415 | # define SSL_ENC_NULL_IDX 5 | |
416 | # define SSL_ENC_AES128_IDX 6 | |
417 | # define SSL_ENC_AES256_IDX 7 | |
418 | # define SSL_ENC_CAMELLIA128_IDX 8 | |
419 | # define SSL_ENC_CAMELLIA256_IDX 9 | |
420 | # define SSL_ENC_GOST89_IDX 10 | |
421 | # define SSL_ENC_SEED_IDX 11 | |
422 | # define SSL_ENC_AES128GCM_IDX 12 | |
423 | # define SSL_ENC_AES256GCM_IDX 13 | |
424 | # define SSL_ENC_AES128CCM_IDX 14 | |
425 | # define SSL_ENC_AES256CCM_IDX 15 | |
426 | # define SSL_ENC_AES128CCM8_IDX 16 | |
427 | # define SSL_ENC_AES256CCM8_IDX 17 | |
428 | # define SSL_ENC_GOST8912_IDX 18 | |
429 | # define SSL_ENC_CHACHA_IDX 19 | |
430 | # define SSL_ENC_ARIA128GCM_IDX 20 | |
431 | # define SSL_ENC_ARIA256GCM_IDX 21 | |
5a5530a2 DB |
432 | # define SSL_ENC_MAGMA_IDX 22 |
433 | # define SSL_ENC_KUZNYECHIK_IDX 23 | |
434 | # define SSL_ENC_NUM_IDX 24 | |
c8f6c28a | 435 | |
1d97c843 | 436 | /*- |
361a1191 | 437 | * SSL_kRSA <- RSA_ENC |
d02b48c6 | 438 | * SSL_kDH <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN) |
5a21cadb | 439 | * SSL_kDHE <- RSA_ENC | RSA_SIGN | DSA_SIGN |
d02b48c6 RE |
440 | * SSL_aRSA <- RSA_ENC | RSA_SIGN |
441 | * SSL_aDSS <- DSA_SIGN | |
442 | */ | |
443 | ||
23a22b4c | 444 | /*- |
0f113f3e MC |
445 | #define CERT_INVALID 0 |
446 | #define CERT_PUBLIC_KEY 1 | |
447 | #define CERT_PRIVATE_KEY 2 | |
d02b48c6 RE |
448 | */ |
449 | ||
9d75dce3 TS |
450 | /* Post-Handshake Authentication state */ |
451 | typedef enum { | |
452 | SSL_PHA_NONE = 0, | |
453 | SSL_PHA_EXT_SENT, /* client-side only: extension sent */ | |
454 | SSL_PHA_EXT_RECEIVED, /* server-side only: extension received */ | |
455 | SSL_PHA_REQUEST_PENDING, /* server-side only: request pending */ | |
456 | SSL_PHA_REQUESTED /* request received by client, or sent by server */ | |
457 | } SSL_PHA_STATE; | |
458 | ||
e9fa092e | 459 | /* CipherSuite length. SSLv3 and all TLS versions. */ |
a230b26e | 460 | # define TLS_CIPHER_LEN 2 |
b6ba4014 MC |
461 | /* used to hold info on the particular ciphers used */ |
462 | struct ssl_cipher_st { | |
90d9e49a | 463 | uint32_t valid; |
a230b26e | 464 | const char *name; /* text name */ |
bbb4ceb8 | 465 | const char *stdname; /* RFC name */ |
a230b26e | 466 | uint32_t id; /* id, 4 bytes, first is version */ |
b6ba4014 | 467 | /* |
90d9e49a | 468 | * changed in 1.0.0: these four used to be portions of a single value |
b6ba4014 MC |
469 | * 'algorithms' |
470 | */ | |
a230b26e EK |
471 | uint32_t algorithm_mkey; /* key exchange algorithm */ |
472 | uint32_t algorithm_auth; /* server authentication */ | |
473 | uint32_t algorithm_enc; /* symmetric encryption */ | |
474 | uint32_t algorithm_mac; /* symmetric authentication */ | |
475 | int min_tls; /* minimum SSL/TLS protocol version */ | |
476 | int max_tls; /* maximum SSL/TLS protocol version */ | |
477 | int min_dtls; /* minimum DTLS protocol version */ | |
478 | int max_dtls; /* maximum DTLS protocol version */ | |
479 | uint32_t algo_strength; /* strength and export flags */ | |
480 | uint32_t algorithm2; /* Extra flags */ | |
481 | int32_t strength_bits; /* Number of bits really used */ | |
482 | uint32_t alg_bits; /* Number of bits for algorithm */ | |
b6ba4014 MC |
483 | }; |
484 | ||
87d9cafa | 485 | /* Used to hold SSL/TLS functions */ |
b6ba4014 MC |
486 | struct ssl_method_st { |
487 | int version; | |
4fa52141 VD |
488 | unsigned flags; |
489 | unsigned long mask; | |
b6ba4014 | 490 | int (*ssl_new) (SSL *s); |
b77f3ed1 | 491 | int (*ssl_clear) (SSL *s); |
b6ba4014 MC |
492 | void (*ssl_free) (SSL *s); |
493 | int (*ssl_accept) (SSL *s); | |
494 | int (*ssl_connect) (SSL *s); | |
54105ddd MC |
495 | int (*ssl_read) (SSL *s, void *buf, size_t len, size_t *readbytes); |
496 | int (*ssl_peek) (SSL *s, void *buf, size_t len, size_t *readbytes); | |
7ee8627f | 497 | int (*ssl_write) (SSL *s, const void *buf, size_t len, size_t *written); |
b6ba4014 MC |
498 | int (*ssl_shutdown) (SSL *s); |
499 | int (*ssl_renegotiate) (SSL *s); | |
c7f47786 | 500 | int (*ssl_renegotiate_check) (SSL *s, int); |
657da85e | 501 | int (*ssl_read_bytes) (SSL *s, int type, int *recvd_type, |
eda75751 | 502 | unsigned char *buf, size_t len, int peek, |
54105ddd | 503 | size_t *readbytes); |
7ee8627f MC |
504 | int (*ssl_write_bytes) (SSL *s, int type, const void *buf_, size_t len, |
505 | size_t *written); | |
b6ba4014 MC |
506 | int (*ssl_dispatch_alert) (SSL *s); |
507 | long (*ssl_ctrl) (SSL *s, int cmd, long larg, void *parg); | |
508 | long (*ssl_ctx_ctrl) (SSL_CTX *ctx, int cmd, long larg, void *parg); | |
509 | const SSL_CIPHER *(*get_cipher_by_char) (const unsigned char *ptr); | |
ae2f7b37 | 510 | int (*put_cipher_by_char) (const SSL_CIPHER *cipher, WPACKET *pkt, |
2c7b4dbc | 511 | size_t *len); |
8b0e934a | 512 | size_t (*ssl_pending) (const SSL *s); |
b6ba4014 MC |
513 | int (*num_ciphers) (void); |
514 | const SSL_CIPHER *(*get_cipher) (unsigned ncipher); | |
b6ba4014 MC |
515 | long (*get_timeout) (void); |
516 | const struct ssl3_enc_method *ssl3_enc; /* Extra SSLv3/TLS stuff */ | |
517 | int (*ssl_version) (void); | |
518 | long (*ssl_callback_ctrl) (SSL *s, int cb_id, void (*fp) (void)); | |
519 | long (*ssl_ctx_callback_ctrl) (SSL_CTX *s, int cb_id, void (*fp) (void)); | |
520 | }; | |
521 | ||
734af93a MC |
522 | /* |
523 | * Matches the length of PSK_MAX_PSK_LEN. We keep it the same value for | |
524 | * consistency, even in the event of OPENSSL_NO_PSK being defined. | |
525 | */ | |
e57bbf9e | 526 | # define TLS13_MAX_RESUMPTION_PSK_LENGTH 512 |
4ff1a526 | 527 | |
b6ba4014 MC |
528 | /*- |
529 | * Lets make this into an ASN.1 type structure as follows | |
530 | * SSL_SESSION_ID ::= SEQUENCE { | |
531 | * version INTEGER, -- structure version number | |
532 | * SSLversion INTEGER, -- SSL version number | |
533 | * Cipher OCTET STRING, -- the 3 byte cipher ID | |
534 | * Session_ID OCTET STRING, -- the Session ID | |
535 | * Master_key OCTET STRING, -- the master key | |
b6ba4014 MC |
536 | * Key_Arg [ 0 ] IMPLICIT OCTET STRING, -- the optional Key argument |
537 | * Time [ 1 ] EXPLICIT INTEGER, -- optional Start Time | |
538 | * Timeout [ 2 ] EXPLICIT INTEGER, -- optional Timeout ins seconds | |
539 | * Peer [ 3 ] EXPLICIT X509, -- optional Peer Certificate | |
540 | * Session_ID_context [ 4 ] EXPLICIT OCTET STRING, -- the Session ID context | |
541 | * Verify_result [ 5 ] EXPLICIT INTEGER, -- X509_V_... code for `Peer' | |
542 | * HostName [ 6 ] EXPLICIT OCTET STRING, -- optional HostName from servername TLS extension | |
543 | * PSK_identity_hint [ 7 ] EXPLICIT OCTET STRING, -- optional PSK identity hint | |
544 | * PSK_identity [ 8 ] EXPLICIT OCTET STRING, -- optional PSK identity | |
545 | * Ticket_lifetime_hint [9] EXPLICIT INTEGER, -- server's lifetime hint for session ticket | |
546 | * Ticket [10] EXPLICIT OCTET STRING, -- session ticket (clients only) | |
547 | * Compression_meth [11] EXPLICIT OCTET STRING, -- optional compression method | |
548 | * SRP_username [ 12 ] EXPLICIT OCTET STRING -- optional SRP username | |
6f152a15 | 549 | * flags [ 13 ] EXPLICIT INTEGER -- optional flags |
b6ba4014 MC |
550 | * } |
551 | * Look in ssl/ssl_asn1.c for more details | |
552 | * I'm using EXPLICIT tags so I can read the damn things using asn1parse :-). | |
553 | */ | |
554 | struct ssl_session_st { | |
a230b26e EK |
555 | int ssl_version; /* what ssl version session info is being kept |
556 | * in here? */ | |
8c1a5343 | 557 | size_t master_key_length; |
ec15acb6 | 558 | |
9368f865 MC |
559 | /* TLSv1.3 early_secret used for external PSKs */ |
560 | unsigned char early_secret[EVP_MAX_MD_SIZE]; | |
ec15acb6 MC |
561 | /* |
562 | * For <=TLS1.2 this is the master_key. For TLS1.3 this is the resumption | |
4ff1a526 | 563 | * PSK |
ec15acb6 | 564 | */ |
4ff1a526 | 565 | unsigned char master_key[TLS13_MAX_RESUMPTION_PSK_LENGTH]; |
b6ba4014 | 566 | /* session_id - valid? */ |
ec60ccc1 | 567 | size_t session_id_length; |
b6ba4014 MC |
568 | unsigned char session_id[SSL_MAX_SSL_SESSION_ID_LENGTH]; |
569 | /* | |
570 | * this is used to determine whether the session is being reused in the | |
571 | * appropriate context. It is up to the application to set this, via | |
572 | * SSL_new | |
573 | */ | |
ec60ccc1 | 574 | size_t sid_ctx_length; |
b6ba4014 | 575 | unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH]; |
b6ba4014 MC |
576 | # ifndef OPENSSL_NO_PSK |
577 | char *psk_identity_hint; | |
578 | char *psk_identity; | |
579 | # endif | |
580 | /* | |
581 | * Used to indicate that session resumption is not allowed. Applications | |
582 | * can also set this bit for a new session via not_resumable_session_cb | |
583 | * to disable session caching and tickets. | |
584 | */ | |
585 | int not_resumable; | |
a273c6ee | 586 | /* This is the cert and type for the other end. */ |
b6ba4014 | 587 | X509 *peer; |
fa7c2637 | 588 | /* Certificate chain peer sent. */ |
c34b0f99 | 589 | STACK_OF(X509) *peer_chain; |
b6ba4014 MC |
590 | /* |
591 | * when app_verify_callback accepts a session where the peer's | |
592 | * certificate is not ok, we must remember the error for session reuse: | |
593 | */ | |
594 | long verify_result; /* only for servers */ | |
2f545ae4 | 595 | CRYPTO_REF_COUNT references; |
25959e04 TS |
596 | time_t timeout; |
597 | time_t time; | |
598 | time_t calc_timeout; | |
599 | int timeout_ovf; | |
b6ba4014 MC |
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 */ | |
aa6bd216 | 604 | unsigned int kex_group; /* TLS group from key exchange */ |
b6ba4014 MC |
605 | CRYPTO_EX_DATA ex_data; /* application specific data */ |
606 | /* | |
607 | * These are used to make removal of session-ids more efficient and to | |
608 | * implement a maximum cache size. | |
609 | */ | |
610 | struct ssl_session_st *prev, *next; | |
aff8c126 RS |
611 | |
612 | struct { | |
613 | char *hostname; | |
45436e61 | 614 | /* RFC4507 info */ |
aff8c126 RS |
615 | unsigned char *tick; /* Session ticket */ |
616 | size_t ticklen; /* Session ticket length */ | |
617 | /* Session lifetime hint in seconds */ | |
618 | unsigned long tick_lifetime_hint; | |
fc24f0bf | 619 | uint32_t tick_age_add; |
5d5b3fba MC |
620 | /* Max number of bytes that can be sent as early data */ |
621 | uint32_t max_early_data; | |
f6370040 MC |
622 | /* The ALPN protocol selected for this session */ |
623 | unsigned char *alpn_selected; | |
624 | size_t alpn_selected_len; | |
cf72c757 F |
625 | /* |
626 | * Maximum Fragment Length as per RFC 4366. | |
627 | * If this value does not contain RFC 4366 allowed values (1-4) then | |
628 | * either the Maximum Fragment Length Negotiation failed or was not | |
629 | * performed at all. | |
630 | */ | |
631 | uint8_t max_fragment_len_mode; | |
aff8c126 | 632 | } ext; |
b6ba4014 MC |
633 | # ifndef OPENSSL_NO_SRP |
634 | char *srp_username; | |
635 | # endif | |
df0fed9a TS |
636 | unsigned char *ticket_appdata; |
637 | size_t ticket_appdata_len; | |
f7d53487 | 638 | uint32_t flags; |
25959e04 | 639 | SSL_CTX *owner; |
16203f7b | 640 | CRYPTO_RWLOCK *lock; |
b6ba4014 MC |
641 | }; |
642 | ||
6f152a15 | 643 | /* Extended master secret support */ |
a230b26e | 644 | # define SSL_SESS_FLAG_EXTMS 0x1 |
b6ba4014 MC |
645 | |
646 | # ifndef OPENSSL_NO_SRP | |
647 | ||
648 | typedef struct srp_ctx_st { | |
649 | /* param for all the callbacks */ | |
650 | void *SRP_cb_arg; | |
651 | /* set client Hello login callback */ | |
652 | int (*TLS_ext_srp_username_callback) (SSL *, int *, void *); | |
653 | /* set SRP N/g param callback for verification */ | |
654 | int (*SRP_verify_param_callback) (SSL *, void *); | |
655 | /* set SRP client passwd callback */ | |
656 | char *(*SRP_give_srp_client_pwd_callback) (SSL *, void *); | |
657 | char *login; | |
658 | BIGNUM *N, *g, *s, *B, *A; | |
659 | BIGNUM *a, *b, *v; | |
660 | char *info; | |
661 | int strength; | |
662 | unsigned long srp_Mask; | |
663 | } SRP_CTX; | |
664 | ||
665 | # endif | |
666 | ||
49e7fe12 MC |
667 | typedef enum { |
668 | SSL_EARLY_DATA_NONE = 0, | |
669 | SSL_EARLY_DATA_CONNECT_RETRY, | |
670 | SSL_EARLY_DATA_CONNECTING, | |
671 | SSL_EARLY_DATA_WRITE_RETRY, | |
672 | SSL_EARLY_DATA_WRITING, | |
2a8db717 | 673 | SSL_EARLY_DATA_WRITE_FLUSH, |
09f28874 | 674 | SSL_EARLY_DATA_UNAUTH_WRITING, |
d781d247 MC |
675 | SSL_EARLY_DATA_FINISHED_WRITING, |
676 | SSL_EARLY_DATA_ACCEPT_RETRY, | |
677 | SSL_EARLY_DATA_ACCEPTING, | |
678 | SSL_EARLY_DATA_READ_RETRY, | |
679 | SSL_EARLY_DATA_READING, | |
680 | SSL_EARLY_DATA_FINISHED_READING | |
49e7fe12 MC |
681 | } SSL_EARLY_DATA_STATE; |
682 | ||
70ef40a0 MC |
683 | /* |
684 | * We check that the amount of unreadable early data doesn't exceed | |
685 | * max_early_data. max_early_data is given in plaintext bytes. However if it is | |
686 | * unreadable then we only know the number of ciphertext bytes. We also don't | |
687 | * know how much the overhead should be because it depends on the ciphersuite. | |
688 | * We make a small allowance. We assume 5 records of actual data plus the end | |
689 | * of early data alert record. Each record has a tag and a content type byte. | |
690 | * The longest tag length we know of is EVP_GCM_TLS_TAG_LEN. We don't count the | |
691 | * content of the alert record either which is 2 bytes. | |
692 | */ | |
693 | # define EARLY_DATA_CIPHERTEXT_OVERHEAD ((6 * (EVP_GCM_TLS_TAG_LEN + 1)) + 2) | |
694 | ||
2c604cb9 MC |
695 | /* |
696 | * The allowance we have between the client's calculated ticket age and our own. | |
697 | * We allow for 10 seconds (units are in ms). If a ticket is presented and the | |
698 | * client's age calculation is different by more than this than our own then we | |
699 | * do not allow that ticket for early_data. | |
700 | */ | |
701 | # define TICKET_AGE_ALLOWANCE (10 * 1000) | |
702 | ||
cb7a1f5f BK |
703 | #define MAX_COMPRESSIONS_SIZE 255 |
704 | ||
b6ba4014 MC |
705 | struct ssl_comp_st { |
706 | int id; | |
707 | const char *name; | |
b6ba4014 | 708 | COMP_METHOD *method; |
b6ba4014 MC |
709 | }; |
710 | ||
cb7a1f5f BK |
711 | typedef struct raw_extension_st { |
712 | /* Raw packet data for the extension */ | |
713 | PACKET data; | |
714 | /* Set to 1 if the extension is present or 0 otherwise */ | |
715 | int present; | |
716 | /* Set to 1 if we have already parsed the extension or 0 otherwise */ | |
717 | int parsed; | |
718 | /* The type of this extension, i.e. a TLSEXT_TYPE_* value */ | |
719 | unsigned int type; | |
193b5d76 BK |
720 | /* Track what order extensions are received in (0-based). */ |
721 | size_t received_order; | |
cb7a1f5f BK |
722 | } RAW_EXTENSION; |
723 | ||
724 | typedef struct { | |
725 | unsigned int isv2; | |
726 | unsigned int legacy_version; | |
727 | unsigned char random[SSL3_RANDOM_SIZE]; | |
728 | size_t session_id_len; | |
729 | unsigned char session_id[SSL_MAX_SSL_SESSION_ID_LENGTH]; | |
730 | size_t dtls_cookie_len; | |
731 | unsigned char dtls_cookie[DTLS1_COOKIE_LENGTH]; | |
732 | PACKET ciphersuites; | |
733 | size_t compressions_len; | |
734 | unsigned char compressions[MAX_COMPRESSIONS_SIZE]; | |
735 | PACKET extensions; | |
736 | size_t pre_proc_exts_len; | |
737 | RAW_EXTENSION *pre_proc_exts; | |
738 | } CLIENTHELLO_MSG; | |
739 | ||
b186a592 MC |
740 | /* |
741 | * Extension index values NOTE: Any updates to these defines should be mirrored | |
742 | * with equivalent updates to ext_defs in extensions.c | |
743 | */ | |
744 | typedef enum tlsext_index_en { | |
745 | TLSEXT_IDX_renegotiate, | |
746 | TLSEXT_IDX_server_name, | |
cf72c757 | 747 | TLSEXT_IDX_max_fragment_length, |
b186a592 MC |
748 | TLSEXT_IDX_srp, |
749 | TLSEXT_IDX_ec_point_formats, | |
750 | TLSEXT_IDX_supported_groups, | |
751 | TLSEXT_IDX_session_ticket, | |
b186a592 MC |
752 | TLSEXT_IDX_status_request, |
753 | TLSEXT_IDX_next_proto_neg, | |
754 | TLSEXT_IDX_application_layer_protocol_negotiation, | |
755 | TLSEXT_IDX_use_srtp, | |
756 | TLSEXT_IDX_encrypt_then_mac, | |
757 | TLSEXT_IDX_signed_certificate_timestamp, | |
758 | TLSEXT_IDX_extended_master_secret, | |
c589c34e | 759 | TLSEXT_IDX_signature_algorithms_cert, |
9d75dce3 | 760 | TLSEXT_IDX_post_handshake_auth, |
10ed1b72 | 761 | TLSEXT_IDX_signature_algorithms, |
b186a592 MC |
762 | TLSEXT_IDX_supported_versions, |
763 | TLSEXT_IDX_psk_kex_modes, | |
764 | TLSEXT_IDX_key_share, | |
765 | TLSEXT_IDX_cookie, | |
766 | TLSEXT_IDX_cryptopro_bug, | |
767 | TLSEXT_IDX_early_data, | |
768 | TLSEXT_IDX_certificate_authorities, | |
769 | TLSEXT_IDX_padding, | |
770 | TLSEXT_IDX_psk, | |
771 | /* Dummy index - must always be the last entry */ | |
772 | TLSEXT_IDX_num_builtins | |
773 | } TLSEXT_INDEX; | |
774 | ||
89d6aa10 | 775 | DEFINE_LHASH_OF(SSL_SESSION); |
ce023e77 VD |
776 | /* Needed in ssl_cert.c */ |
777 | DEFINE_LHASH_OF(X509_NAME); | |
f8e0a557 | 778 | |
4bfb96f2 TS |
779 | # define TLSEXT_KEYNAME_LENGTH 16 |
780 | # define TLSEXT_TICK_KEY_LENGTH 32 | |
781 | ||
782 | typedef struct ssl_ctx_ext_secure_st { | |
783 | unsigned char tick_hmac_key[TLSEXT_TICK_KEY_LENGTH]; | |
784 | unsigned char tick_aes_key[TLSEXT_TICK_KEY_LENGTH]; | |
785 | } SSL_CTX_EXT_SECURE; | |
d139723b | 786 | |
a76ce286 P |
787 | /* |
788 | * Helper function for HMAC | |
789 | * The structure should be considered opaque, it will change once the low | |
790 | * level deprecated calls are removed. At that point it can be replaced | |
791 | * by EVP_MAC_CTX and most of the functions converted to macros or inlined | |
792 | * directly. | |
793 | */ | |
794 | typedef struct ssl_hmac_st { | |
795 | EVP_MAC_CTX *ctx; | |
796 | # ifndef OPENSSL_NO_DEPRECATED_3_0 | |
797 | HMAC_CTX *old_ctx; | |
798 | # endif | |
799 | } SSL_HMAC; | |
800 | ||
801 | SSL_HMAC *ssl_hmac_new(const SSL_CTX *ctx); | |
802 | void ssl_hmac_free(SSL_HMAC *ctx); | |
803 | # ifndef OPENSSL_NO_DEPRECATED_3_0 | |
804 | HMAC_CTX *ssl_hmac_get0_HMAC_CTX(SSL_HMAC *ctx); | |
805 | # endif | |
806 | EVP_MAC_CTX *ssl_hmac_get0_EVP_MAC_CTX(SSL_HMAC *ctx); | |
807 | int ssl_hmac_init(SSL_HMAC *ctx, void *key, size_t len, char *md); | |
808 | int ssl_hmac_update(SSL_HMAC *ctx, const unsigned char *data, size_t len); | |
809 | int ssl_hmac_final(SSL_HMAC *ctx, unsigned char *md, size_t *len, | |
810 | size_t max_size); | |
811 | size_t ssl_hmac_size(const SSL_HMAC *ctx); | |
812 | ||
d8975dec | 813 | int ssl_get_EC_curve_nid(const EVP_PKEY *pkey); |
d5530efa TM |
814 | __owur int tls13_set_encoded_pub_key(EVP_PKEY *pkey, |
815 | const unsigned char *enckey, | |
816 | size_t enckeylen); | |
d8975dec | 817 | |
9d2d857f MC |
818 | typedef struct tls_group_info_st { |
819 | char *tlsname; /* Curve Name as in TLS specs */ | |
820 | char *realname; /* Curve Name according to provider */ | |
821 | char *algorithm; /* Algorithm name to fetch */ | |
822 | unsigned int secbits; /* Bits of security (from SP800-57) */ | |
823 | uint16_t group_id; /* Group ID */ | |
824 | int mintls; /* Minimum TLS version, -1 unsupported */ | |
825 | int maxtls; /* Maximum TLS version (or 0 for undefined) */ | |
826 | int mindtls; /* Minimum DTLS version, -1 unsupported */ | |
827 | int maxdtls; /* Maximum DTLS version (or 0 for undefined) */ | |
c1a74f59 | 828 | char is_kem; /* Mode for this Group: 0 is KEX, 1 is KEM */ |
9d2d857f MC |
829 | } TLS_GROUP_INFO; |
830 | ||
831 | /* flags values */ | |
832 | # define TLS_GROUP_TYPE 0x0000000FU /* Mask for group type */ | |
833 | # define TLS_GROUP_CURVE_PRIME 0x00000001U | |
834 | # define TLS_GROUP_CURVE_CHAR2 0x00000002U | |
835 | # define TLS_GROUP_CURVE_CUSTOM 0x00000004U | |
836 | # define TLS_GROUP_FFDHE 0x00000008U | |
837 | # define TLS_GROUP_ONLY_FOR_TLS1_3 0x00000010U | |
838 | ||
839 | # define TLS_GROUP_FFDHE_FOR_TLS1_3 (TLS_GROUP_FFDHE|TLS_GROUP_ONLY_FOR_TLS1_3) | |
840 | ||
b6ba4014 | 841 | struct ssl_ctx_st { |
b4250010 | 842 | OSSL_LIB_CTX *libctx; |
ba18627e | 843 | |
b6ba4014 MC |
844 | const SSL_METHOD *method; |
845 | STACK_OF(SSL_CIPHER) *cipher_list; | |
846 | /* same as above but sorted for lookup */ | |
847 | STACK_OF(SSL_CIPHER) *cipher_list_by_id; | |
f865b081 MC |
848 | /* TLSv1.3 specific ciphersuites */ |
849 | STACK_OF(SSL_CIPHER) *tls13_ciphersuites; | |
b6ba4014 MC |
850 | struct x509_store_st /* X509_STORE */ *cert_store; |
851 | LHASH_OF(SSL_SESSION) *sessions; | |
852 | /* | |
853 | * Most session-ids that will be cached, default is | |
854 | * SSL_SESSION_CACHE_MAX_SIZE_DEFAULT. 0 is unlimited. | |
855 | */ | |
cb150cbc | 856 | size_t session_cache_size; |
b6ba4014 MC |
857 | struct ssl_session_st *session_cache_head; |
858 | struct ssl_session_st *session_cache_tail; | |
859 | /* | |
860 | * This can have one of 2 values, ored together, SSL_SESS_CACHE_CLIENT, | |
861 | * SSL_SESS_CACHE_SERVER, Default is SSL_SESSION_CACHE_SERVER, which | |
6aff543b | 862 | * means only SSL_accept will cache SSL_SESSIONS. |
b6ba4014 | 863 | */ |
f7d53487 | 864 | uint32_t session_cache_mode; |
b6ba4014 MC |
865 | /* |
866 | * If timeout is not 0, it is the default timeout value set when | |
867 | * SSL_new() is called. This has been put in to make life easier to set | |
868 | * things up | |
869 | */ | |
870 | long session_timeout; | |
871 | /* | |
872 | * If this callback is not null, it will be called each time a session id | |
873 | * is added to the cache. If this function returns 1, it means that the | |
874 | * callback will do a SSL_SESSION_free() when it has finished using it. | |
875 | * Otherwise, on 0, it means the callback has finished with it. If | |
876 | * remove_session_cb is not null, it will be called when a session-id is | |
877 | * removed from the cache. After the call, OpenSSL will | |
878 | * SSL_SESSION_free() it. | |
879 | */ | |
880 | int (*new_session_cb) (struct ssl_st *ssl, SSL_SESSION *sess); | |
881 | void (*remove_session_cb) (struct ssl_ctx_st *ctx, SSL_SESSION *sess); | |
882 | SSL_SESSION *(*get_session_cb) (struct ssl_st *ssl, | |
b6981744 EK |
883 | const unsigned char *data, int len, |
884 | int *copy); | |
b6ba4014 | 885 | struct { |
9ef9088c AP |
886 | TSAN_QUALIFIER int sess_connect; /* SSL new conn - started */ |
887 | TSAN_QUALIFIER int sess_connect_renegotiate; /* SSL reneg - requested */ | |
888 | TSAN_QUALIFIER int sess_connect_good; /* SSL new conne/reneg - finished */ | |
889 | TSAN_QUALIFIER int sess_accept; /* SSL new accept - started */ | |
890 | TSAN_QUALIFIER int sess_accept_renegotiate; /* SSL reneg - requested */ | |
891 | TSAN_QUALIFIER int sess_accept_good; /* SSL accept/reneg - finished */ | |
892 | TSAN_QUALIFIER int sess_miss; /* session lookup misses */ | |
893 | TSAN_QUALIFIER int sess_timeout; /* reuse attempt on timeouted session */ | |
894 | TSAN_QUALIFIER int sess_cache_full; /* session removed due to full cache */ | |
895 | TSAN_QUALIFIER int sess_hit; /* session reuse actually done */ | |
896 | TSAN_QUALIFIER int sess_cb_hit; /* session-id that was not in | |
897 | * the cache was passed back via | |
898 | * the callback. This indicates | |
899 | * that the application is | |
900 | * supplying session-id's from | |
901 | * other processes - spooky | |
902 | * :-) */ | |
b6ba4014 | 903 | } stats; |
acce0557 P |
904 | #ifdef TSAN_REQUIRES_LOCKING |
905 | CRYPTO_RWLOCK *tsan_lock; | |
906 | #endif | |
b6ba4014 | 907 | |
2f545ae4 | 908 | CRYPTO_REF_COUNT references; |
b6ba4014 MC |
909 | |
910 | /* if defined, these override the X509_verify_cert() calls */ | |
911 | int (*app_verify_callback) (X509_STORE_CTX *, void *); | |
912 | void *app_verify_arg; | |
913 | /* | |
914 | * before OpenSSL 0.9.7, 'app_verify_arg' was ignored | |
915 | * ('app_verify_callback' was called with just one argument) | |
916 | */ | |
917 | ||
918 | /* Default password callback. */ | |
919 | pem_password_cb *default_passwd_callback; | |
920 | ||
921 | /* Default password callback user data. */ | |
922 | void *default_passwd_callback_userdata; | |
923 | ||
924 | /* get client cert callback */ | |
925 | int (*client_cert_cb) (SSL *ssl, X509 **x509, EVP_PKEY **pkey); | |
926 | ||
927 | /* cookie generate callback */ | |
928 | int (*app_gen_cookie_cb) (SSL *ssl, unsigned char *cookie, | |
929 | unsigned int *cookie_len); | |
930 | ||
931 | /* verify cookie callback */ | |
31011544 | 932 | int (*app_verify_cookie_cb) (SSL *ssl, const unsigned char *cookie, |
b6ba4014 MC |
933 | unsigned int cookie_len); |
934 | ||
3fa2812f BS |
935 | /* TLS1.3 app-controlled cookie generate callback */ |
936 | int (*gen_stateless_cookie_cb) (SSL *ssl, unsigned char *cookie, | |
937 | size_t *cookie_len); | |
938 | ||
939 | /* TLS1.3 verify app-controlled cookie callback */ | |
940 | int (*verify_stateless_cookie_cb) (SSL *ssl, const unsigned char *cookie, | |
941 | size_t cookie_len); | |
942 | ||
b6ba4014 MC |
943 | CRYPTO_EX_DATA ex_data; |
944 | ||
945 | const EVP_MD *md5; /* For SSLv3/TLSv1 'ssl3-md5' */ | |
c8f6c28a | 946 | const EVP_MD *sha1; /* For SSLv3/TLSv1 'ssl3-sha1' */ |
b6ba4014 MC |
947 | |
948 | STACK_OF(X509) *extra_certs; | |
949 | STACK_OF(SSL_COMP) *comp_methods; /* stack of SSL_COMP, SSLv3/TLSv1 */ | |
950 | ||
951 | /* Default values used when no per-SSL value is defined follow */ | |
952 | ||
953 | /* used if SSL's info_callback is NULL */ | |
954 | void (*info_callback) (const SSL *ssl, int type, int val); | |
955 | ||
fa7c2637 DSH |
956 | /* |
957 | * What we put in certificate_authorities extension for TLS 1.3 | |
958 | * (ClientHello and CertificateRequest) or just client cert requests for | |
98732979 MC |
959 | * earlier versions. If client_ca_names is populated then it is only used |
960 | * for client cert requests, and in preference to ca_names. | |
fa7c2637 DSH |
961 | */ |
962 | STACK_OF(X509_NAME) *ca_names; | |
98732979 | 963 | STACK_OF(X509_NAME) *client_ca_names; |
b6ba4014 MC |
964 | |
965 | /* | |
966 | * Default values to use in SSL structures follow (these are copied by | |
967 | * SSL_new) | |
968 | */ | |
969 | ||
56bd1783 | 970 | uint64_t options; |
f7d53487 | 971 | uint32_t mode; |
7946ab33 KR |
972 | int min_proto_version; |
973 | int max_proto_version; | |
12472b45 | 974 | size_t max_cert_list; |
b6ba4014 MC |
975 | |
976 | struct cert_st /* CERT */ *cert; | |
977 | int read_ahead; | |
978 | ||
979 | /* callback that allows applications to peek at protocol messages */ | |
980 | void (*msg_callback) (int write_p, int version, int content_type, | |
981 | const void *buf, size_t len, SSL *ssl, void *arg); | |
982 | void *msg_callback_arg; | |
983 | ||
f7d53487 | 984 | uint32_t verify_mode; |
ec60ccc1 | 985 | size_t sid_ctx_length; |
b6ba4014 MC |
986 | unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH]; |
987 | /* called 'verify_callback' in the SSL */ | |
988 | int (*default_verify_callback) (int ok, X509_STORE_CTX *ctx); | |
989 | ||
990 | /* Default generate session ID callback. */ | |
991 | GEN_SESSION_CB generate_session_id; | |
992 | ||
993 | X509_VERIFY_PARAM *param; | |
994 | ||
995 | int quiet_shutdown; | |
996 | ||
a230b26e EK |
997 | # ifndef OPENSSL_NO_CT |
998 | CTLOG_STORE *ctlog_store; /* CT Log Store */ | |
ed29e82a | 999 | /* |
a230b26e EK |
1000 | * Validates that the SCTs (Signed Certificate Timestamps) are sufficient. |
1001 | * If they are not, the connection should be aborted. | |
1002 | */ | |
43341433 | 1003 | ssl_ct_validation_cb ct_validation_callback; |
ed29e82a | 1004 | void *ct_validation_callback_arg; |
a230b26e | 1005 | # endif |
ed29e82a | 1006 | |
d102d9df MC |
1007 | /* |
1008 | * If we're using more than one pipeline how should we divide the data | |
1009 | * up between the pipes? | |
1010 | */ | |
7ee8627f | 1011 | size_t split_send_fragment; |
b6ba4014 MC |
1012 | /* |
1013 | * Maximum amount of data to send in one fragment. actual record size can | |
1014 | * be more than this due to padding and MAC overheads. | |
1015 | */ | |
7ee8627f | 1016 | size_t max_send_fragment; |
b6ba4014 | 1017 | |
d102d9df | 1018 | /* Up to how many pipelines should we use? If 0 then 1 is assumed */ |
7ee8627f | 1019 | size_t max_pipelines; |
d102d9df | 1020 | |
dad78fb1 MC |
1021 | /* The default read buffer length to use (0 means not set) */ |
1022 | size_t default_read_buf_len; | |
1023 | ||
a230b26e | 1024 | # ifndef OPENSSL_NO_ENGINE |
b6ba4014 MC |
1025 | /* |
1026 | * Engine to pass requests for client certs to | |
1027 | */ | |
1028 | ENGINE *client_cert_engine; | |
a230b26e | 1029 | # endif |
b6ba4014 | 1030 | |
a9c0d8be DB |
1031 | /* ClientHello callback. Mostly for extensions, but not entirely. */ |
1032 | SSL_client_hello_cb_fn client_hello_cb; | |
1033 | void *client_hello_cb_arg; | |
6b1bb98f | 1034 | |
aff8c126 RS |
1035 | /* TLS extensions. */ |
1036 | struct { | |
1037 | /* TLS extensions servername callback */ | |
1038 | int (*servername_cb) (SSL *, int *, void *); | |
1039 | void *servername_arg; | |
1040 | /* RFC 4507 session ticket keys */ | |
1041 | unsigned char tick_key_name[TLSEXT_KEYNAME_LENGTH]; | |
4bfb96f2 | 1042 | SSL_CTX_EXT_SECURE *secure; |
a76ce286 | 1043 | # ifndef OPENSSL_NO_DEPRECATED_3_0 |
aff8c126 RS |
1044 | /* Callback to support customisation of ticket key setting */ |
1045 | int (*ticket_key_cb) (SSL *ssl, | |
1046 | unsigned char *name, unsigned char *iv, | |
1047 | EVP_CIPHER_CTX *ectx, HMAC_CTX *hctx, int enc); | |
a76ce286 P |
1048 | #endif |
1049 | int (*ticket_key_evp_cb) (SSL *ssl, | |
1050 | unsigned char *name, unsigned char *iv, | |
1051 | EVP_CIPHER_CTX *ectx, EVP_MAC_CTX *hctx, | |
1052 | int enc); | |
aff8c126 RS |
1053 | |
1054 | /* certificate status request info */ | |
1055 | /* Callback for status request */ | |
1056 | int (*status_cb) (SSL *ssl, void *arg); | |
1057 | void *status_arg; | |
1058 | /* ext status type used for CSR extension (OCSP Stapling) */ | |
1059 | int status_type; | |
cf72c757 F |
1060 | /* RFC 4366 Maximum Fragment Length Negotiation */ |
1061 | uint8_t max_fragment_len_mode; | |
b6ba4014 | 1062 | |
aff8c126 RS |
1063 | /* EC extension values inherited by SSL structure */ |
1064 | size_t ecpointformats_len; | |
1065 | unsigned char *ecpointformats; | |
dbc6268f | 1066 | |
aff8c126 | 1067 | size_t supportedgroups_len; |
9e84a42d | 1068 | uint16_t *supportedgroups; |
b6ba4014 | 1069 | |
ddf8f1ce MC |
1070 | uint16_t *supported_groups_default; |
1071 | size_t supported_groups_default_len; | |
aff8c126 RS |
1072 | /* |
1073 | * ALPN information (we are in the process of transitioning from NPN to | |
1074 | * ALPN.) | |
1075 | */ | |
b6ba4014 MC |
1076 | |
1077 | /*- | |
1078 | * For a server, this contains a callback function that allows the | |
1079 | * server to select the protocol for the connection. | |
1080 | * out: on successful return, this must point to the raw protocol | |
1081 | * name (without the length prefix). | |
1082 | * outlen: on successful return, this contains the length of |*out|. | |
1083 | * in: points to the client's list of supported protocols in | |
1084 | * wire-format. | |
1085 | * inlen: the length of |in|. | |
1086 | */ | |
aff8c126 RS |
1087 | int (*alpn_select_cb) (SSL *s, |
1088 | const unsigned char **out, | |
1089 | unsigned char *outlen, | |
1090 | const unsigned char *in, | |
1091 | unsigned int inlen, void *arg); | |
1092 | void *alpn_select_cb_arg; | |
b6ba4014 | 1093 | |
aff8c126 RS |
1094 | /* |
1095 | * For a client, this contains the list of supported protocols in wire | |
1096 | * format. | |
1097 | */ | |
1098 | unsigned char *alpn; | |
1099 | size_t alpn_len; | |
1100 | ||
e3bc1305 | 1101 | # ifndef OPENSSL_NO_NEXTPROTONEG |
aff8c126 RS |
1102 | /* Next protocol negotiation information */ |
1103 | ||
1104 | /* | |
1105 | * For a server, this contains a callback function by which the set of | |
1106 | * advertised protocols can be provided. | |
1107 | */ | |
8cbfcc70 | 1108 | SSL_CTX_npn_advertised_cb_func npn_advertised_cb; |
aff8c126 RS |
1109 | void *npn_advertised_cb_arg; |
1110 | /* | |
1111 | * For a client, this contains a callback function that selects the next | |
1112 | * protocol from the list provided by the server. | |
1113 | */ | |
8cbfcc70 | 1114 | SSL_CTX_npn_select_cb_func npn_select_cb; |
aff8c126 RS |
1115 | void *npn_select_cb_arg; |
1116 | # endif | |
43054d3d MC |
1117 | |
1118 | unsigned char cookie_hmac_key[SHA256_DIGEST_LENGTH]; | |
aff8c126 RS |
1119 | } ext; |
1120 | ||
1121 | # ifndef OPENSSL_NO_PSK | |
8cbfcc70 RS |
1122 | SSL_psk_client_cb_func psk_client_callback; |
1123 | SSL_psk_server_cb_func psk_server_callback; | |
aff8c126 | 1124 | # endif |
3a7c56b2 | 1125 | SSL_psk_find_session_cb_func psk_find_session_cb; |
9368f865 | 1126 | SSL_psk_use_session_cb_func psk_use_session_cb; |
aff8c126 RS |
1127 | |
1128 | # ifndef OPENSSL_NO_SRP | |
1129 | SRP_CTX srp_ctx; /* ctx for SRP authentication */ | |
1130 | # endif | |
b6ba4014 | 1131 | |
919ba009 VD |
1132 | /* Shared DANE context */ |
1133 | struct dane_ctx_st dane; | |
1134 | ||
1fb6b0bf | 1135 | # ifndef OPENSSL_NO_SRTP |
b6ba4014 MC |
1136 | /* SRTP profiles we are willing to do from RFC 5764 */ |
1137 | STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles; | |
1fb6b0bf | 1138 | # endif |
b6ba4014 MC |
1139 | /* |
1140 | * Callback for disabling session caching and ticket support on a session | |
1141 | * basis, depending on the chosen cipher. | |
1142 | */ | |
1143 | int (*not_resumable_session_cb) (SSL *ssl, int is_forward_secure); | |
ba261f71 | 1144 | |
16203f7b | 1145 | CRYPTO_RWLOCK *lock; |
2faa1b48 CB |
1146 | |
1147 | /* | |
1148 | * Callback for logging key material for use with debugging tools like | |
1149 | * Wireshark. The callback should log `line` followed by a newline. | |
1150 | */ | |
1151 | SSL_CTX_keylog_cb_func keylog_callback; | |
3fc8d856 | 1152 | |
4e8548e8 MC |
1153 | /* |
1154 | * The maximum number of bytes advertised in session tickets that can be | |
1155 | * sent as early data. | |
1156 | */ | |
3fc8d856 | 1157 | uint32_t max_early_data; |
c649d10d | 1158 | |
4e8548e8 MC |
1159 | /* |
1160 | * The maximum number of bytes of early data that a server will tolerate | |
1161 | * (which should be at least as much as max_early_data). | |
1162 | */ | |
1163 | uint32_t recv_max_early_data; | |
1164 | ||
c649d10d TS |
1165 | /* TLS1.3 padding callback */ |
1166 | size_t (*record_padding_cb)(SSL *s, int type, size_t len, void *arg); | |
1167 | void *record_padding_arg; | |
1168 | size_t block_padding; | |
df0fed9a TS |
1169 | |
1170 | /* Session ticket appdata */ | |
1171 | SSL_CTX_generate_session_ticket_fn generate_ticket_cb; | |
1172 | SSL_CTX_decrypt_session_ticket_fn decrypt_ticket_cb; | |
1173 | void *ticket_cb_data; | |
9d0a8bb7 MC |
1174 | |
1175 | /* The number of TLS1.3 tickets to automatically send */ | |
1176 | size_t num_tickets; | |
c9598459 MC |
1177 | |
1178 | /* Callback to determine if early_data is acceptable or not */ | |
1179 | SSL_allow_early_data_cb_fn allow_early_data_cb; | |
1180 | void *allow_early_data_cb_data; | |
e97be718 MC |
1181 | |
1182 | /* Do we advertise Post-handshake auth support? */ | |
1183 | int pha_enabled; | |
9f5a87fd PY |
1184 | |
1185 | /* Callback for SSL async handling */ | |
1186 | SSL_async_callback_fn async_cb; | |
1187 | void *async_cb_arg; | |
ba18627e MC |
1188 | |
1189 | char *propq; | |
c8f6c28a | 1190 | |
53d85372 | 1191 | int ssl_mac_pkey_id[SSL_MD_NUM_IDX]; |
c8f6c28a MC |
1192 | const EVP_CIPHER *ssl_cipher_methods[SSL_ENC_NUM_IDX]; |
1193 | const EVP_MD *ssl_digest_methods[SSL_MD_NUM_IDX]; | |
1194 | size_t ssl_mac_secret_size[SSL_MD_NUM_IDX]; | |
263ff2c9 MC |
1195 | |
1196 | /* Cache of all sigalgs we know and whether they are available or not */ | |
1197 | struct sigalg_lookup_st *sigalg_lookup_cache; | |
9d2d857f MC |
1198 | |
1199 | TLS_GROUP_INFO *group_list; | |
1200 | size_t group_list_len; | |
1201 | size_t group_list_max_len; | |
a68eee67 MC |
1202 | |
1203 | /* masks of disabled algorithms */ | |
1204 | uint32_t disabled_enc_mask; | |
1205 | uint32_t disabled_mac_mask; | |
1206 | uint32_t disabled_mkey_mask; | |
1207 | uint32_t disabled_auth_mask; | |
b6ba4014 MC |
1208 | }; |
1209 | ||
555cbb32 TS |
1210 | typedef struct cert_pkey_st CERT_PKEY; |
1211 | ||
b6ba4014 MC |
1212 | struct ssl_st { |
1213 | /* | |
1214 | * protocol version (one of SSL2_VERSION, SSL3_VERSION, TLS1_VERSION, | |
1215 | * DTLS1_VERSION) | |
1216 | */ | |
1217 | int version; | |
b6ba4014 MC |
1218 | /* SSLv3 */ |
1219 | const SSL_METHOD *method; | |
1220 | /* | |
1221 | * There are 2 BIO's even though they are normally both the same. This | |
1222 | * is so data can be read and written to different handlers | |
1223 | */ | |
1224 | /* used by SSL_read */ | |
1225 | BIO *rbio; | |
1226 | /* used by SSL_write */ | |
1227 | BIO *wbio; | |
1228 | /* used during session-id reuse to concatenate messages */ | |
1229 | BIO *bbio; | |
1230 | /* | |
1231 | * This holds a variable that indicates what we were doing when a 0 or -1 | |
1232 | * is returned. This is needed for non-blocking IO so we know what | |
1233 | * request needs re-doing when in SSL_accept or SSL_connect | |
1234 | */ | |
1235 | int rwstate; | |
b6ba4014 MC |
1236 | int (*handshake_func) (SSL *); |
1237 | /* | |
1238 | * Imagine that here's a boolean member "init" that is switched as soon | |
1239 | * as SSL_set_{accept/connect}_state is called for the first time, so | |
1240 | * that "state" and "handshake_func" are properly initialized. But as | |
1241 | * handshake_func is == 0 until then, we use this test instead of an | |
1242 | * "init" member. | |
1243 | */ | |
23a635c0 | 1244 | /* are we the server side? */ |
b6ba4014 MC |
1245 | int server; |
1246 | /* | |
1247 | * Generate a new session or reuse an old one. | |
1248 | * NB: For servers, the 'new' session may actually be a previously | |
1249 | * cached session or even the previous session unless | |
1250 | * SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION is set | |
1251 | */ | |
1252 | int new_session; | |
1253 | /* don't send shutdown packets */ | |
1254 | int quiet_shutdown; | |
1255 | /* we have shut things down, 0x01 sent, 0x02 for received */ | |
1256 | int shutdown; | |
1257 | /* where we are */ | |
d6f1a6e9 | 1258 | OSSL_STATEM statem; |
49e7fe12 | 1259 | SSL_EARLY_DATA_STATE early_data_state; |
b6ba4014 MC |
1260 | BUF_MEM *init_buf; /* buffer used during init */ |
1261 | void *init_msg; /* pointer to handshake message body, set by | |
1262 | * ssl3_get_message() */ | |
eda75751 MC |
1263 | size_t init_num; /* amount read/written */ |
1264 | size_t init_off; /* amount read/written */ | |
555cbb32 TS |
1265 | |
1266 | struct { | |
1267 | long flags; | |
1268 | size_t read_mac_secret_size; | |
1269 | unsigned char read_mac_secret[EVP_MAX_MD_SIZE]; | |
1270 | size_t write_mac_secret_size; | |
1271 | unsigned char write_mac_secret[EVP_MAX_MD_SIZE]; | |
1272 | unsigned char server_random[SSL3_RANDOM_SIZE]; | |
1273 | unsigned char client_random[SSL3_RANDOM_SIZE]; | |
1274 | /* flags for countermeasure against known-IV weakness */ | |
1275 | int need_empty_fragments; | |
1276 | int empty_fragment_done; | |
1277 | /* used during startup, digest all incoming/outgoing packets */ | |
1278 | BIO *handshake_buffer; | |
1279 | /* | |
1280 | * When handshake digest is determined, buffer is hashed and | |
1281 | * freed and MD_CTX for the required digest is stored here. | |
1282 | */ | |
1283 | EVP_MD_CTX *handshake_dgst; | |
1284 | /* | |
1285 | * Set whenever an expected ChangeCipherSpec message is processed. | |
1286 | * Unset when the peer's Finished message is received. | |
1287 | * Unexpected ChangeCipherSpec messages trigger a fatal alert. | |
1288 | */ | |
1289 | int change_cipher_spec; | |
1290 | int warn_alert; | |
1291 | int fatal_alert; | |
1292 | /* | |
1293 | * we allow one fatal and one warning alert to be outstanding, send close | |
1294 | * alert via the warning alert | |
1295 | */ | |
1296 | int alert_dispatch; | |
1297 | unsigned char send_alert[2]; | |
1298 | /* | |
1299 | * This flag is set when we should renegotiate ASAP, basically when there | |
1300 | * is no more data in the read or write buffers | |
1301 | */ | |
1302 | int renegotiate; | |
1303 | int total_renegotiations; | |
1304 | int num_renegotiations; | |
1305 | int in_read_app_data; | |
1306 | struct { | |
1307 | /* actually only need to be 16+20 for SSLv3 and 12 for TLS */ | |
1308 | unsigned char finish_md[EVP_MAX_MD_SIZE * 2]; | |
1309 | size_t finish_md_len; | |
1310 | unsigned char peer_finish_md[EVP_MAX_MD_SIZE * 2]; | |
1311 | size_t peer_finish_md_len; | |
1312 | size_t message_size; | |
1313 | int message_type; | |
1314 | /* used to hold the new cipher we are going to use */ | |
1315 | const SSL_CIPHER *new_cipher; | |
cbb85bda | 1316 | EVP_PKEY *pkey; /* holds short lived key exchange key */ |
555cbb32 TS |
1317 | /* used for certificate requests */ |
1318 | int cert_req; | |
1319 | /* Certificate types in certificate request message. */ | |
1320 | uint8_t *ctype; | |
1321 | size_t ctype_len; | |
1322 | /* Certificate authorities list peer sent */ | |
1323 | STACK_OF(X509_NAME) *peer_ca_names; | |
1324 | size_t key_block_length; | |
1325 | unsigned char *key_block; | |
1326 | const EVP_CIPHER *new_sym_enc; | |
1327 | const EVP_MD *new_hash; | |
1328 | int new_mac_pkey_type; | |
1329 | size_t new_mac_secret_size; | |
1330 | # ifndef OPENSSL_NO_COMP | |
1331 | const SSL_COMP *new_compression; | |
1332 | # else | |
1333 | char *new_compression; | |
1334 | # endif | |
1335 | int cert_request; | |
1336 | /* Raw values of the cipher list from a client */ | |
1337 | unsigned char *ciphers_raw; | |
1338 | size_t ciphers_rawlen; | |
1339 | /* Temporary storage for premaster secret */ | |
1340 | unsigned char *pms; | |
1341 | size_t pmslen; | |
1342 | # ifndef OPENSSL_NO_PSK | |
1343 | /* Temporary storage for PSK key */ | |
1344 | unsigned char *psk; | |
1345 | size_t psklen; | |
1346 | # endif | |
1347 | /* Signature algorithm we actually use */ | |
1348 | const struct sigalg_lookup_st *sigalg; | |
1349 | /* Pointer to certificate we use */ | |
1350 | CERT_PKEY *cert; | |
1351 | /* | |
1352 | * signature algorithms peer reports: e.g. supported signature | |
1353 | * algorithms extension for server or as part of a certificate | |
1354 | * request for client. | |
1355 | * Keep track of the algorithms for TLS and X.509 usage separately. | |
1356 | */ | |
1357 | uint16_t *peer_sigalgs; | |
1358 | uint16_t *peer_cert_sigalgs; | |
1359 | /* Size of above arrays */ | |
1360 | size_t peer_sigalgslen; | |
1361 | size_t peer_cert_sigalgslen; | |
1362 | /* Sigalg peer actually uses */ | |
1363 | const struct sigalg_lookup_st *peer_sigalg; | |
1364 | /* | |
1365 | * Set if corresponding CERT_PKEY can be used with current | |
1366 | * SSL session: e.g. appropriate curve, signature algorithms etc. | |
1367 | * If zero it can't be used at all. | |
1368 | */ | |
1369 | uint32_t valid_flags[SSL_PKEY_NUM]; | |
1370 | /* | |
1371 | * For servers the following masks are for the key and auth algorithms | |
1372 | * that are supported by the certs below. For clients they are masks of | |
1373 | * *disabled* algorithms based on the current session. | |
1374 | */ | |
1375 | uint32_t mask_k; | |
1376 | uint32_t mask_a; | |
1377 | /* | |
1378 | * The following are used by the client to see if a cipher is allowed or | |
1379 | * not. It contains the minimum and maximum version the client's using | |
1380 | * based on what it knows so far. | |
1381 | */ | |
1382 | int min_ver; | |
1383 | int max_ver; | |
1384 | } tmp; | |
1385 | ||
1386 | /* Connection binding to prevent renegotiation attacks */ | |
1387 | unsigned char previous_client_finished[EVP_MAX_MD_SIZE]; | |
1388 | size_t previous_client_finished_len; | |
1389 | unsigned char previous_server_finished[EVP_MAX_MD_SIZE]; | |
1390 | size_t previous_server_finished_len; | |
407820c0 | 1391 | int send_connection_binding; |
555cbb32 TS |
1392 | |
1393 | # ifndef OPENSSL_NO_NEXTPROTONEG | |
1394 | /* | |
1395 | * Set if we saw the Next Protocol Negotiation extension from our peer. | |
1396 | */ | |
1397 | int npn_seen; | |
1398 | # endif | |
1399 | ||
1400 | /* | |
1401 | * ALPN information (we are in the process of transitioning from NPN to | |
1402 | * ALPN.) | |
1403 | */ | |
1404 | ||
1405 | /* | |
1406 | * In a server these point to the selected ALPN protocol after the | |
1407 | * ClientHello has been processed. In a client these contain the protocol | |
1408 | * that the server selected once the ServerHello has been processed. | |
1409 | */ | |
1410 | unsigned char *alpn_selected; | |
1411 | size_t alpn_selected_len; | |
1412 | /* used by the server to know what options were proposed */ | |
1413 | unsigned char *alpn_proposed; | |
1414 | size_t alpn_proposed_len; | |
1415 | /* used by the client to know if it actually sent alpn */ | |
1416 | int alpn_sent; | |
1417 | ||
555cbb32 TS |
1418 | /* |
1419 | * This is set to true if we believe that this is a version of Safari | |
1420 | * running on OS X 10.6 or newer. We wish to know this because Safari on | |
1421 | * 10.8 .. 10.8.3 has broken ECDHE-ECDSA support. | |
1422 | */ | |
1423 | char is_probably_safari; | |
555cbb32 | 1424 | |
aa6bd216 BK |
1425 | /* |
1426 | * Track whether we did a key exchange this handshake or not, so | |
1427 | * SSL_get_negotiated_group() knows whether to fall back to the | |
1428 | * value in the SSL_SESSION. | |
1429 | */ | |
1430 | char did_kex; | |
555cbb32 | 1431 | /* For clients: peer temporary key */ |
cbb85bda | 1432 | /* The group_id for the key exchange key */ |
555cbb32 TS |
1433 | uint16_t group_id; |
1434 | EVP_PKEY *peer_tmp; | |
555cbb32 TS |
1435 | |
1436 | } s3; | |
1437 | ||
b6ba4014 | 1438 | struct dtls1_state_st *d1; /* DTLSv1 variables */ |
b6ba4014 MC |
1439 | /* callback that allows applications to peek at protocol messages */ |
1440 | void (*msg_callback) (int write_p, int version, int content_type, | |
1441 | const void *buf, size_t len, SSL *ssl, void *arg); | |
1442 | void *msg_callback_arg; | |
1443 | int hit; /* reusing a previous session */ | |
1444 | X509_VERIFY_PARAM *param; | |
919ba009 | 1445 | /* Per connection DANE state */ |
b9aec69a | 1446 | SSL_DANE dane; |
b6ba4014 | 1447 | /* crypto */ |
eee2a6a7 | 1448 | STACK_OF(SSL_CIPHER) *peer_ciphers; |
b6ba4014 MC |
1449 | STACK_OF(SSL_CIPHER) *cipher_list; |
1450 | STACK_OF(SSL_CIPHER) *cipher_list_by_id; | |
f865b081 MC |
1451 | /* TLSv1.3 specific ciphersuites */ |
1452 | STACK_OF(SSL_CIPHER) *tls13_ciphersuites; | |
b6ba4014 MC |
1453 | /* |
1454 | * These are the ones being used, the ones in SSL_SESSION are the ones to | |
1455 | * be 'copied' into these ones | |
1456 | */ | |
f7d53487 | 1457 | uint32_t mac_flags; |
34574f19 | 1458 | /* |
4ff1a526 | 1459 | * The TLS1.3 secrets. |
34574f19 MC |
1460 | */ |
1461 | unsigned char early_secret[EVP_MAX_MD_SIZE]; | |
1462 | unsigned char handshake_secret[EVP_MAX_MD_SIZE]; | |
ec15acb6 | 1463 | unsigned char master_secret[EVP_MAX_MD_SIZE]; |
4ff1a526 | 1464 | unsigned char resumption_master_secret[EVP_MAX_MD_SIZE]; |
6484776f MC |
1465 | unsigned char client_finished_secret[EVP_MAX_MD_SIZE]; |
1466 | unsigned char server_finished_secret[EVP_MAX_MD_SIZE]; | |
ace081c1 | 1467 | unsigned char server_finished_hash[EVP_MAX_MD_SIZE]; |
fe5e20fd | 1468 | unsigned char handshake_traffic_hash[EVP_MAX_MD_SIZE]; |
57389a32 MC |
1469 | unsigned char client_app_traffic_secret[EVP_MAX_MD_SIZE]; |
1470 | unsigned char server_app_traffic_secret[EVP_MAX_MD_SIZE]; | |
0ca8d1ec | 1471 | unsigned char exporter_master_secret[EVP_MAX_MD_SIZE]; |
b38ede80 | 1472 | unsigned char early_exporter_master_secret[EVP_MAX_MD_SIZE]; |
b6ba4014 | 1473 | EVP_CIPHER_CTX *enc_read_ctx; /* cryptographic state */ |
bebc0c7d | 1474 | unsigned char read_iv[EVP_MAX_IV_LENGTH]; /* TLSv1.3 static read IV */ |
b6ba4014 | 1475 | EVP_MD_CTX *read_hash; /* used for mac generation */ |
9a555706 | 1476 | COMP_CTX *compress; /* compression */ |
b6ba4014 | 1477 | COMP_CTX *expand; /* uncompress */ |
b6ba4014 | 1478 | EVP_CIPHER_CTX *enc_write_ctx; /* cryptographic state */ |
bebc0c7d | 1479 | unsigned char write_iv[EVP_MAX_IV_LENGTH]; /* TLSv1.3 static write IV */ |
b6ba4014 | 1480 | EVP_MD_CTX *write_hash; /* used for mac generation */ |
b6ba4014 MC |
1481 | /* session info */ |
1482 | /* client cert? */ | |
1483 | /* This is used to hold the server certificate used */ | |
1484 | struct cert_st /* CERT */ *cert; | |
2c5dfdc3 MC |
1485 | |
1486 | /* | |
1487 | * The hash of all messages prior to the CertificateVerify, and the length | |
1488 | * of that hash. | |
1489 | */ | |
1490 | unsigned char cert_verify_hash[EVP_MAX_MD_SIZE]; | |
1491 | size_t cert_verify_hash_len; | |
1492 | ||
7d061fce | 1493 | /* Flag to indicate whether we should send a HelloRetryRequest or not */ |
fc7129dc MC |
1494 | enum {SSL_HRR_NONE = 0, SSL_HRR_PENDING, SSL_HRR_COMPLETE} |
1495 | hello_retry_request; | |
7d061fce | 1496 | |
b6ba4014 MC |
1497 | /* |
1498 | * the session_id_context is used to ensure sessions are only reused in | |
1499 | * the appropriate context | |
1500 | */ | |
ec60ccc1 | 1501 | size_t sid_ctx_length; |
b6ba4014 MC |
1502 | unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH]; |
1503 | /* This can also be in the session once a session is established */ | |
1504 | SSL_SESSION *session; | |
9368f865 MC |
1505 | /* TLSv1.3 PSK session */ |
1506 | SSL_SESSION *psksession; | |
add8d0e9 MC |
1507 | unsigned char *psksession_id; |
1508 | size_t psksession_id_len; | |
b6ba4014 MC |
1509 | /* Default generate session ID callback. */ |
1510 | GEN_SESSION_CB generate_session_id; | |
a5816a5a MC |
1511 | /* |
1512 | * The temporary TLSv1.3 session id. This isn't really a session id at all | |
1513 | * but is a random value sent in the legacy session id field. | |
1514 | */ | |
1515 | unsigned char tmp_session_id[SSL_MAX_SSL_SESSION_ID_LENGTH]; | |
1516 | size_t tmp_session_id_len; | |
b6ba4014 MC |
1517 | /* Used in SSL3 */ |
1518 | /* | |
1519 | * 0 don't care about verify failure. | |
1520 | * 1 fail if verify fails | |
1521 | */ | |
f7d53487 | 1522 | uint32_t verify_mode; |
b6ba4014 MC |
1523 | /* fail if callback returns 0 */ |
1524 | int (*verify_callback) (int ok, X509_STORE_CTX *ctx); | |
1525 | /* optional informational callback */ | |
1526 | void (*info_callback) (const SSL *ssl, int type, int val); | |
1527 | /* error bytes to be written */ | |
1528 | int error; | |
1529 | /* actual code */ | |
1530 | int error_code; | |
a230b26e | 1531 | # ifndef OPENSSL_NO_PSK |
8cbfcc70 RS |
1532 | SSL_psk_client_cb_func psk_client_callback; |
1533 | SSL_psk_server_cb_func psk_server_callback; | |
a230b26e | 1534 | # endif |
3a7c56b2 | 1535 | SSL_psk_find_session_cb_func psk_find_session_cb; |
9368f865 | 1536 | SSL_psk_use_session_cb_func psk_use_session_cb; |
5d263fb7 | 1537 | |
b6ba4014 | 1538 | SSL_CTX *ctx; |
696178ed DSH |
1539 | /* Verified chain of peer */ |
1540 | STACK_OF(X509) *verified_chain; | |
b6ba4014 | 1541 | long verify_result; |
696178ed | 1542 | /* extra application data */ |
b6ba4014 | 1543 | CRYPTO_EX_DATA ex_data; |
98732979 MC |
1544 | /* |
1545 | * What we put in certificate_authorities extension for TLS 1.3 | |
1546 | * (ClientHello and CertificateRequest) or just client cert requests for | |
1547 | * earlier versions. If client_ca_names is populated then it is only used | |
1548 | * for client cert requests, and in preference to ca_names. | |
1549 | */ | |
fa7c2637 | 1550 | STACK_OF(X509_NAME) *ca_names; |
98732979 | 1551 | STACK_OF(X509_NAME) *client_ca_names; |
2f545ae4 | 1552 | CRYPTO_REF_COUNT references; |
b6ba4014 | 1553 | /* protocol behaviour */ |
56bd1783 | 1554 | uint64_t options; |
b6ba4014 | 1555 | /* API behaviour */ |
f7d53487 | 1556 | uint32_t mode; |
7946ab33 KR |
1557 | int min_proto_version; |
1558 | int max_proto_version; | |
12472b45 | 1559 | size_t max_cert_list; |
b6ba4014 | 1560 | int first_packet; |
7acb8b64 MC |
1561 | /* |
1562 | * What was passed in ClientHello.legacy_version. Used for RSA pre-master | |
1563 | * secret and SSLv3/TLS (<=1.2) rollback check | |
1564 | */ | |
b6ba4014 | 1565 | int client_version; |
d102d9df MC |
1566 | /* |
1567 | * If we're using more than one pipeline how should we divide the data | |
1568 | * up between the pipes? | |
1569 | */ | |
7ee8627f | 1570 | size_t split_send_fragment; |
d102d9df MC |
1571 | /* |
1572 | * Maximum amount of data to send in one fragment. actual record size can | |
1573 | * be more than this due to padding and MAC overheads. | |
1574 | */ | |
7ee8627f | 1575 | size_t max_send_fragment; |
d102d9df | 1576 | /* Up to how many pipelines should we use? If 0 then 1 is assumed */ |
7ee8627f | 1577 | size_t max_pipelines; |
aff8c126 RS |
1578 | |
1579 | struct { | |
b186a592 MC |
1580 | /* Built-in extension flags */ |
1581 | uint8_t extflags[TLSEXT_IDX_num_builtins]; | |
aff8c126 | 1582 | /* TLS extension debug callback */ |
1ed327f7 RS |
1583 | void (*debug_cb)(SSL *s, int client_server, int type, |
1584 | const unsigned char *data, int len, void *arg); | |
aff8c126 RS |
1585 | void *debug_arg; |
1586 | char *hostname; | |
1587 | /* certificate status request info */ | |
1588 | /* Status type or -1 if no status type */ | |
1589 | int status_type; | |
1590 | /* Raw extension data, if seen */ | |
1591 | unsigned char *scts; | |
1592 | /* Length of raw extension data, if seen */ | |
1593 | uint16_t scts_len; | |
1594 | /* Expect OCSP CertificateStatus message */ | |
1595 | int status_expected; | |
1596 | ||
1597 | struct { | |
1598 | /* OCSP status request only */ | |
1599 | STACK_OF(OCSP_RESPID) *ids; | |
1600 | X509_EXTENSIONS *exts; | |
1601 | /* OCSP response received or to be sent */ | |
1602 | unsigned char *resp; | |
1603 | size_t resp_len; | |
1604 | } ocsp; | |
1605 | ||
1606 | /* RFC4507 session ticket expected to be received or sent */ | |
1607 | int ticket_expected; | |
35774d55 BK |
1608 | /* TLS 1.3 tickets requested by the application. */ |
1609 | int extra_tickets_expected; | |
aff8c126 RS |
1610 | size_t ecpointformats_len; |
1611 | /* our list */ | |
1612 | unsigned char *ecpointformats; | |
cd0fb43c MC |
1613 | |
1614 | size_t peer_ecpointformats_len; | |
1615 | /* peer's list */ | |
1616 | unsigned char *peer_ecpointformats; | |
aff8c126 RS |
1617 | size_t supportedgroups_len; |
1618 | /* our list */ | |
9e84a42d | 1619 | uint16_t *supportedgroups; |
45436e61 MC |
1620 | |
1621 | size_t peer_supportedgroups_len; | |
1622 | /* peer's list */ | |
1623 | uint16_t *peer_supportedgroups; | |
1624 | ||
aff8c126 RS |
1625 | /* TLS Session Ticket extension override */ |
1626 | TLS_SESSION_TICKET_EXT *session_ticket; | |
1627 | /* TLS Session Ticket extension callback */ | |
1628 | tls_session_ticket_ext_cb_fn session_ticket_cb; | |
1629 | void *session_ticket_cb_arg; | |
1630 | /* TLS pre-shared secret session resumption */ | |
1631 | tls_session_secret_cb_fn session_secret_cb; | |
1632 | void *session_secret_cb_arg; | |
1633 | /* | |
1634 | * For a client, this contains the list of supported protocols in wire | |
1635 | * format. | |
1636 | */ | |
1637 | unsigned char *alpn; | |
1638 | size_t alpn_len; | |
1639 | /* | |
1640 | * Next protocol negotiation. For the client, this is the protocol that | |
1641 | * we sent in NextProtocol and is set when handling ServerHello | |
1642 | * extensions. For a server, this is the client's selected_protocol from | |
1643 | * NextProtocol and is set when handling the NextProtocol message, before | |
1644 | * the Finished message. | |
1645 | */ | |
1646 | unsigned char *npn; | |
1647 | size_t npn_len; | |
b2f7e8c0 | 1648 | |
4086b42b | 1649 | /* The available PSK key exchange modes */ |
b2f7e8c0 | 1650 | int psk_kex_mode; |
28a31a0a MC |
1651 | |
1652 | /* Set to one if we have negotiated ETM */ | |
1653 | int use_etm; | |
0a87d0ac | 1654 | |
1ea4d09a MC |
1655 | /* Are we expecting to receive early data? */ |
1656 | int early_data; | |
2c604cb9 MC |
1657 | /* Is the session suitable for early data? */ |
1658 | int early_data_ok; | |
cfef5027 MC |
1659 | |
1660 | /* May be sent by a server in HRR. Must be echoed back in ClientHello */ | |
1661 | unsigned char *tls13_cookie; | |
1662 | size_t tls13_cookie_len; | |
c36001c3 MC |
1663 | /* Have we received a cookie from the client? */ |
1664 | int cookieok; | |
1665 | ||
cf72c757 F |
1666 | /* |
1667 | * Maximum Fragment Length as per RFC 4366. | |
1668 | * If this member contains one of the allowed values (1-4) | |
1669 | * then we should include Maximum Fragment Length Negotiation | |
1670 | * extension in Client Hello. | |
1671 | * Please note that value of this member does not have direct | |
1672 | * effect. The actual (binding) value is stored in SSL_SESSION, | |
1673 | * as this extension is optional on server side. | |
1674 | */ | |
1675 | uint8_t max_fragment_len_mode; | |
c96ce52c MC |
1676 | |
1677 | /* | |
1678 | * On the client side the number of ticket identities we sent in the | |
1679 | * ClientHello. On the server side the identity of the ticket we | |
1680 | * selected. | |
1681 | */ | |
1682 | int tick_identity; | |
aff8c126 RS |
1683 | } ext; |
1684 | ||
a9c0d8be DB |
1685 | /* |
1686 | * Parsed form of the ClientHello, kept around across client_hello_cb | |
1687 | * calls. | |
1688 | */ | |
6b1bb98f BK |
1689 | CLIENTHELLO_MSG *clienthello; |
1690 | ||
b6ba4014 MC |
1691 | /*- |
1692 | * no further mod of servername | |
1693 | * 0 : call the servername extension callback. | |
1694 | * 1 : prepare 2, allow last ack just after in server callback. | |
1695 | * 2 : don't call servername callback, no ack in server hello | |
1696 | */ | |
1697 | int servername_done; | |
a230b26e | 1698 | # ifndef OPENSSL_NO_CT |
ed29e82a | 1699 | /* |
a230b26e EK |
1700 | * Validates that the SCTs (Signed Certificate Timestamps) are sufficient. |
1701 | * If they are not, the connection should be aborted. | |
1702 | */ | |
43341433 | 1703 | ssl_ct_validation_cb ct_validation_callback; |
48722ff5 | 1704 | /* User-supplied argument that is passed to the ct_validation_callback */ |
ed29e82a RP |
1705 | void *ct_validation_callback_arg; |
1706 | /* | |
1707 | * Consolidated stack of SCTs from all sources. | |
1708 | * Lazily populated by CT_get_peer_scts(SSL*) | |
1709 | */ | |
1710 | STACK_OF(SCT) *scts; | |
ed29e82a RP |
1711 | /* Have we attempted to find/parse SCTs yet? */ |
1712 | int scts_parsed; | |
a230b26e | 1713 | # endif |
222da979 | 1714 | SSL_CTX *session_ctx; /* initial ctx, used to store sessions */ |
1fb6b0bf | 1715 | # ifndef OPENSSL_NO_SRTP |
b6ba4014 MC |
1716 | /* What we'll do */ |
1717 | STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles; | |
1718 | /* What's been chosen */ | |
1719 | SRTP_PROTECTION_PROFILE *srtp_profile; | |
1fb6b0bf | 1720 | # endif |
b6ba4014 MC |
1721 | /*- |
1722 | * 1 if we are renegotiating. | |
1723 | * 2 if we are a server and are inside a handshake | |
1724 | * (i.e. not just sending a HelloRequest) | |
1725 | */ | |
1726 | int renegotiate; | |
44c04a2e | 1727 | /* If sending a KeyUpdate is pending */ |
4fbfe86a | 1728 | int key_update; |
9d75dce3 TS |
1729 | /* Post-handshake authentication state */ |
1730 | SSL_PHA_STATE post_handshake_auth; | |
32097b33 | 1731 | int pha_enabled; |
9d75dce3 TS |
1732 | uint8_t* pha_context; |
1733 | size_t pha_context_len; | |
1734 | int certreqs_sent; | |
1735 | EVP_MD_CTX *pha_dgst; /* this is just the digest through ClientFinished */ | |
1736 | ||
a230b26e | 1737 | # ifndef OPENSSL_NO_SRP |
b6ba4014 MC |
1738 | /* ctx for SRP authentication */ |
1739 | SRP_CTX srp_ctx; | |
a230b26e | 1740 | # endif |
b6ba4014 MC |
1741 | /* |
1742 | * Callback for disabling session caching and ticket support on a session | |
1743 | * basis, depending on the chosen cipher. | |
1744 | */ | |
1745 | int (*not_resumable_session_cb) (SSL *ssl, int is_forward_secure); | |
28d59af8 | 1746 | RECORD_LAYER rlayer; |
a974e64a MC |
1747 | /* Default password callback. */ |
1748 | pem_password_cb *default_passwd_callback; | |
a974e64a MC |
1749 | /* Default password callback user data. */ |
1750 | void *default_passwd_callback_userdata; | |
07bbc92c MC |
1751 | /* Async Job info */ |
1752 | ASYNC_JOB *job; | |
ff75a257 | 1753 | ASYNC_WAIT_CTX *waitctx; |
7ee8627f | 1754 | size_t asyncrw; |
eda75751 | 1755 | |
4e8548e8 MC |
1756 | /* |
1757 | * The maximum number of bytes advertised in session tickets that can be | |
1758 | * sent as early data. | |
1759 | */ | |
3fc8d856 | 1760 | uint32_t max_early_data; |
4e8548e8 MC |
1761 | /* |
1762 | * The maximum number of bytes of early data that a server will tolerate | |
1763 | * (which should be at least as much as max_early_data). | |
1764 | */ | |
1765 | uint32_t recv_max_early_data; | |
1766 | ||
70ef40a0 MC |
1767 | /* |
1768 | * The number of bytes of early data received so far. If we accepted early | |
1769 | * data then this is a count of the plaintext bytes. If we rejected it then | |
1770 | * this is a count of the ciphertext bytes. | |
1771 | */ | |
1772 | uint32_t early_data_count; | |
3fc8d856 | 1773 | |
c649d10d TS |
1774 | /* TLS1.3 padding callback */ |
1775 | size_t (*record_padding_cb)(SSL *s, int type, size_t len, void *arg); | |
1776 | void *record_padding_arg; | |
1777 | size_t block_padding; | |
1778 | ||
16203f7b | 1779 | CRYPTO_RWLOCK *lock; |
9d0a8bb7 MC |
1780 | |
1781 | /* The number of TLS1.3 tickets to automatically send */ | |
1782 | size_t num_tickets; | |
1783 | /* The number of TLS1.3 tickets actually sent so far */ | |
1784 | size_t sent_tickets; | |
4ff1a526 MC |
1785 | /* The next nonce value to use when we send a ticket on this connection */ |
1786 | uint64_t next_ticket_nonce; | |
c9598459 MC |
1787 | |
1788 | /* Callback to determine if early_data is acceptable or not */ | |
1789 | SSL_allow_early_data_cb_fn allow_early_data_cb; | |
1790 | void *allow_early_data_cb_data; | |
9f5a87fd PY |
1791 | |
1792 | /* Callback for SSL async handling */ | |
1793 | SSL_async_callback_fn async_cb; | |
1794 | void *async_cb_arg; | |
29948ac8 BK |
1795 | |
1796 | /* | |
1797 | * Signature algorithms shared by client and server: cached because these | |
1798 | * are used most often. | |
1799 | */ | |
1800 | const struct sigalg_lookup_st **shared_sigalgs; | |
1801 | size_t shared_sigalgslen; | |
b6ba4014 MC |
1802 | }; |
1803 | ||
f742cda8 DSH |
1804 | /* |
1805 | * Structure containing table entry of values associated with the signature | |
1806 | * algorithms (signature scheme) extension | |
1807 | */ | |
1808 | typedef struct sigalg_lookup_st { | |
1809 | /* TLS 1.3 signature scheme name */ | |
1810 | const char *name; | |
1811 | /* Raw value used in extension */ | |
1812 | uint16_t sigalg; | |
3d234c9e | 1813 | /* NID of hash algorithm or NID_undef if no hash */ |
f742cda8 | 1814 | int hash; |
3d234c9e | 1815 | /* Index of hash algorithm or -1 if no hash algorithm */ |
17ae384e | 1816 | int hash_idx; |
f742cda8 DSH |
1817 | /* NID of signature algorithm */ |
1818 | int sig; | |
17ae384e DSH |
1819 | /* Index of signature algorithm */ |
1820 | int sig_idx; | |
f742cda8 DSH |
1821 | /* Combined hash and signature NID, if any */ |
1822 | int sigandhash; | |
1823 | /* Required public key curve (ECDSA only) */ | |
1824 | int curve; | |
263ff2c9 MC |
1825 | /* Whether this signature algorithm is actually available for use */ |
1826 | int enabled; | |
f742cda8 DSH |
1827 | } SIGALG_LOOKUP; |
1828 | ||
c04cd728 DSH |
1829 | /* |
1830 | * Structure containing table entry of certificate info corresponding to | |
1831 | * CERT_PKEY entries | |
1832 | */ | |
1833 | typedef struct { | |
ee215c7e | 1834 | int nid; /* NID of public key algorithm */ |
c04cd728 DSH |
1835 | uint32_t amask; /* authmask corresponding to key type */ |
1836 | } SSL_CERT_LOOKUP; | |
1837 | ||
b6ba4014 MC |
1838 | /* DTLS structures */ |
1839 | ||
a230b26e EK |
1840 | # ifndef OPENSSL_NO_SCTP |
1841 | # define DTLS1_SCTP_AUTH_LABEL "EXPORTER_DTLS_OVER_SCTP" | |
1842 | # endif | |
b6ba4014 MC |
1843 | |
1844 | /* Max MTU overhead we know about so far is 40 for IPv6 + 8 for UDP */ | |
a230b26e | 1845 | # define DTLS1_MAX_MTU_OVERHEAD 48 |
b6ba4014 | 1846 | |
e3d0dae7 MC |
1847 | /* |
1848 | * Flag used in message reuse to indicate the buffer contains the record | |
436ad81f | 1849 | * header as well as the handshake message header. |
e3d0dae7 | 1850 | */ |
a230b26e | 1851 | # define DTLS1_SKIP_RECORD_HEADER 2 |
e3d0dae7 | 1852 | |
b6ba4014 MC |
1853 | struct dtls1_retransmit_state { |
1854 | EVP_CIPHER_CTX *enc_write_ctx; /* cryptographic state */ | |
1855 | EVP_MD_CTX *write_hash; /* used for mac generation */ | |
b6ba4014 | 1856 | COMP_CTX *compress; /* compression */ |
b6ba4014 MC |
1857 | SSL_SESSION *session; |
1858 | unsigned short epoch; | |
1859 | }; | |
1860 | ||
1861 | struct hm_header_st { | |
1862 | unsigned char type; | |
7ee8627f | 1863 | size_t msg_len; |
b6ba4014 | 1864 | unsigned short seq; |
7ee8627f MC |
1865 | size_t frag_off; |
1866 | size_t frag_len; | |
b6ba4014 MC |
1867 | unsigned int is_ccs; |
1868 | struct dtls1_retransmit_state saved_retransmit_state; | |
1869 | }; | |
1870 | ||
b6ba4014 MC |
1871 | typedef struct hm_fragment_st { |
1872 | struct hm_header_st msg_header; | |
1873 | unsigned char *fragment; | |
1874 | unsigned char *reassembly; | |
1875 | } hm_fragment; | |
1876 | ||
cf2cede4 RS |
1877 | typedef struct pqueue_st pqueue; |
1878 | typedef struct pitem_st pitem; | |
1879 | ||
1880 | struct pitem_st { | |
1881 | unsigned char priority[8]; /* 64-bit value in big-endian encoding */ | |
1882 | void *data; | |
1883 | pitem *next; | |
1884 | }; | |
1885 | ||
1886 | typedef struct pitem_st *piterator; | |
1887 | ||
1888 | pitem *pitem_new(unsigned char *prio64be, void *data); | |
1889 | void pitem_free(pitem *item); | |
a230b26e | 1890 | pqueue *pqueue_new(void); |
cf2cede4 RS |
1891 | void pqueue_free(pqueue *pq); |
1892 | pitem *pqueue_insert(pqueue *pq, pitem *item); | |
1893 | pitem *pqueue_peek(pqueue *pq); | |
1894 | pitem *pqueue_pop(pqueue *pq); | |
1895 | pitem *pqueue_find(pqueue *pq, unsigned char *prio64be); | |
1896 | pitem *pqueue_iterator(pqueue *pq); | |
1897 | pitem *pqueue_next(piterator *iter); | |
8b0e934a | 1898 | size_t pqueue_size(pqueue *pq); |
cf2cede4 | 1899 | |
b6ba4014 | 1900 | typedef struct dtls1_state_st { |
b6ba4014 | 1901 | unsigned char cookie[DTLS1_COOKIE_LENGTH]; |
cb150cbc | 1902 | size_t cookie_len; |
e27f234a | 1903 | unsigned int cookie_verified; |
b6ba4014 MC |
1904 | /* handshake message numbers */ |
1905 | unsigned short handshake_write_seq; | |
1906 | unsigned short next_handshake_write_seq; | |
1907 | unsigned short handshake_read_seq; | |
b6ba4014 | 1908 | /* Buffered handshake messages */ |
cf2cede4 | 1909 | pqueue *buffered_messages; |
b6ba4014 | 1910 | /* Buffered (sent) handshake records */ |
cf2cede4 | 1911 | pqueue *sent_messages; |
7ee8627f MC |
1912 | size_t link_mtu; /* max on-the-wire DTLS packet size */ |
1913 | size_t mtu; /* max DTLS packet size */ | |
b6ba4014 MC |
1914 | struct hm_header_st w_msg_hdr; |
1915 | struct hm_header_st r_msg_hdr; | |
b5557666 | 1916 | /* Number of alerts received so far */ |
1917 | unsigned int timeout_num_alerts; | |
b6ba4014 | 1918 | /* |
e72040c1 | 1919 | * Indicates when the last handshake msg sent will timeout |
b6ba4014 MC |
1920 | */ |
1921 | struct timeval next_timeout; | |
1922 | /* Timeout duration */ | |
fa4b82cc AH |
1923 | unsigned int timeout_duration_us; |
1924 | ||
b6ba4014 | 1925 | unsigned int retransmitting; |
a230b26e | 1926 | # ifndef OPENSSL_NO_SCTP |
b6ba4014 | 1927 | int shutdown_received; |
a230b26e | 1928 | # endif |
fa4b82cc AH |
1929 | |
1930 | DTLS_timer_cb timer_cb; | |
1931 | ||
b6ba4014 MC |
1932 | } DTLS1_STATE; |
1933 | ||
0f113f3e MC |
1934 | /* |
1935 | * From ECC-TLS draft, used in encoding the curve type in ECParameters | |
ea262260 | 1936 | */ |
0f113f3e MC |
1937 | # define EXPLICIT_PRIME_CURVE_TYPE 1 |
1938 | # define EXPLICIT_CHAR2_CURVE_TYPE 2 | |
1939 | # define NAMED_CURVE_TYPE 3 | |
0f113f3e | 1940 | |
a497cf25 | 1941 | struct cert_pkey_st { |
0f113f3e MC |
1942 | X509 *x509; |
1943 | EVP_PKEY *privatekey; | |
0f113f3e MC |
1944 | /* Chain for this certificate */ |
1945 | STACK_OF(X509) *chain; | |
50e735f9 MC |
1946 | /*- |
1947 | * serverinfo data for this certificate. The data is in TLS Extension | |
1948 | * wire format, specifically it's a series of records like: | |
1949 | * uint16_t extension_type; // (RFC 5246, 7.4.1.4, Extension) | |
1950 | * uint16_t length; | |
1951 | * uint8_t data[length]; | |
1952 | */ | |
0f113f3e MC |
1953 | unsigned char *serverinfo; |
1954 | size_t serverinfo_length; | |
a497cf25 | 1955 | }; |
2ea80354 | 1956 | /* Retrieve Suite B flags */ |
0f113f3e | 1957 | # define tls1_suiteb(s) (s->cert->cert_flags & SSL_CERT_FLAG_SUITEB_128_LOS) |
2ea80354 | 1958 | /* Uses to check strict mode: suite B modes are always strict */ |
0f113f3e MC |
1959 | # define SSL_CERT_FLAGS_CHECK_TLS_STRICT \ |
1960 | (SSL_CERT_FLAG_SUITEB_128_LOS|SSL_CERT_FLAG_TLS_STRICT) | |
d02b48c6 | 1961 | |
787d9ec7 MC |
1962 | typedef enum { |
1963 | ENDPOINT_CLIENT = 0, | |
1964 | ENDPOINT_SERVER, | |
1965 | ENDPOINT_BOTH | |
1966 | } ENDPOINT; | |
1967 | ||
1968 | ||
b83294fe | 1969 | typedef struct { |
0f113f3e | 1970 | unsigned short ext_type; |
787d9ec7 | 1971 | ENDPOINT role; |
43ae5eed MC |
1972 | /* The context which this extension applies to */ |
1973 | unsigned int context; | |
0f113f3e MC |
1974 | /* |
1975 | * Per-connection flags relating to this extension type: not used if | |
1976 | * part of an SSL_CTX structure. | |
1977 | */ | |
f7d53487 | 1978 | uint32_t ext_flags; |
cd17bb19 MC |
1979 | SSL_custom_ext_add_cb_ex add_cb; |
1980 | SSL_custom_ext_free_cb_ex free_cb; | |
0f113f3e | 1981 | void *add_arg; |
cd17bb19 | 1982 | SSL_custom_ext_parse_cb_ex parse_cb; |
0f113f3e | 1983 | void *parse_arg; |
ecf4d660 | 1984 | } custom_ext_method; |
b83294fe | 1985 | |
28ea0a0c DSH |
1986 | /* ext_flags values */ |
1987 | ||
0f113f3e MC |
1988 | /* |
1989 | * Indicates an extension has been received. Used to check for unsolicited or | |
1990 | * duplicate extensions. | |
28ea0a0c | 1991 | */ |
0f113f3e MC |
1992 | # define SSL_EXT_FLAG_RECEIVED 0x1 |
1993 | /* | |
1994 | * Indicates an extension has been sent: used to enable sending of | |
1995 | * corresponding ServerHello extension. | |
28ea0a0c | 1996 | */ |
0f113f3e | 1997 | # define SSL_EXT_FLAG_SENT 0x2 |
28ea0a0c | 1998 | |
b83294fe | 1999 | typedef struct { |
0f113f3e MC |
2000 | custom_ext_method *meths; |
2001 | size_t meths_count; | |
ecf4d660 | 2002 | } custom_ext_methods; |
b83294fe | 2003 | |
0f113f3e MC |
2004 | typedef struct cert_st { |
2005 | /* Current active set */ | |
2006 | /* | |
2007 | * ALWAYS points to an element of the pkeys array | |
2008 | * Probably it would make more sense to store | |
2009 | * an index, not a pointer. | |
2010 | */ | |
2011 | CERT_PKEY *key; | |
13c45372 | 2012 | |
e2b420fd | 2013 | EVP_PKEY *dh_tmp; |
0f113f3e MC |
2014 | DH *(*dh_tmp_cb) (SSL *ssl, int is_export, int keysize); |
2015 | int dh_tmp_auto; | |
0f113f3e | 2016 | /* Flags related to certificates */ |
f7d53487 | 2017 | uint32_t cert_flags; |
0f113f3e | 2018 | CERT_PKEY pkeys[SSL_PKEY_NUM]; |
75c13e78 DSH |
2019 | /* Custom certificate types sent in certificate request message. */ |
2020 | uint8_t *ctype; | |
2021 | size_t ctype_len; | |
0f113f3e | 2022 | /* |
60250017 | 2023 | * supported signature algorithms. When set on a client this is sent in |
0f113f3e MC |
2024 | * the client hello as the supported signature algorithms extension. For |
2025 | * servers it represents the signature algorithms we are willing to use. | |
2026 | */ | |
98c792d1 | 2027 | uint16_t *conf_sigalgs; |
0f113f3e MC |
2028 | /* Size of above array */ |
2029 | size_t conf_sigalgslen; | |
2030 | /* | |
2031 | * Client authentication signature algorithms, if not set then uses | |
2032 | * conf_sigalgs. On servers these will be the signature algorithms sent | |
48722ff5 F |
2033 | * to the client in a certificate request for TLS 1.2. On a client this |
2034 | * represents the signature algorithms we are willing to use for client | |
0f113f3e MC |
2035 | * authentication. |
2036 | */ | |
98c792d1 | 2037 | uint16_t *client_sigalgs; |
0f113f3e MC |
2038 | /* Size of above array */ |
2039 | size_t client_sigalgslen; | |
0f113f3e MC |
2040 | /* |
2041 | * Certificate setup callback: if set is called whenever a certificate | |
2042 | * may be required (client or server). the callback can then examine any | |
2043 | * appropriate parameters and setup any certificates required. This | |
2044 | * allows advanced applications to select certificates on the fly: for | |
2045 | * example based on supported signature algorithms or curves. | |
2046 | */ | |
2047 | int (*cert_cb) (SSL *ssl, void *arg); | |
2048 | void *cert_cb_arg; | |
2049 | /* | |
2050 | * Optional X509_STORE for chain building or certificate validation If | |
2051 | * NULL the parent SSL_CTX store is used instead. | |
2052 | */ | |
2053 | X509_STORE *chain_store; | |
2054 | X509_STORE *verify_store; | |
43ae5eed MC |
2055 | /* Custom extensions */ |
2056 | custom_ext_methods custext; | |
0f113f3e | 2057 | /* Security callback */ |
e4646a89 | 2058 | int (*sec_cb) (const SSL *s, const SSL_CTX *ctx, int op, int bits, int nid, |
0f113f3e MC |
2059 | void *other, void *ex); |
2060 | /* Security level */ | |
2061 | int sec_level; | |
2062 | void *sec_ex; | |
a230b26e | 2063 | # ifndef OPENSSL_NO_PSK |
df6da24b DSH |
2064 | /* If not NULL psk identity hint to use for servers */ |
2065 | char *psk_identity_hint; | |
a230b26e | 2066 | # endif |
2f545ae4 | 2067 | CRYPTO_REF_COUNT references; /* >1 only if SSL_copy_session_id is used */ |
16203f7b | 2068 | CRYPTO_RWLOCK *lock; |
0f113f3e MC |
2069 | } CERT; |
2070 | ||
0f113f3e | 2071 | # define FP_ICC (int (*)(const void *,const void *)) |
0f113f3e MC |
2072 | |
2073 | /* | |
2074 | * This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff It is a bit | |
2075 | * of a mess of functions, but hell, think of it as an opaque structure :-) | |
2076 | */ | |
2077 | typedef struct ssl3_enc_method { | |
ec27e619 | 2078 | int (*enc) (SSL *, SSL3_RECORD *, size_t, int, SSL_MAC_BUF *, size_t); |
d102d9df | 2079 | int (*mac) (SSL *, SSL3_RECORD *, unsigned char *, int); |
0f113f3e MC |
2080 | int (*setup_key_block) (SSL *); |
2081 | int (*generate_master_secret) (SSL *, unsigned char *, unsigned char *, | |
8c1a5343 | 2082 | size_t, size_t *); |
0f113f3e | 2083 | int (*change_cipher_state) (SSL *, int); |
6db6bc5a | 2084 | size_t (*final_finish_mac) (SSL *, const char *, size_t, unsigned char *); |
0f113f3e | 2085 | const char *client_finished_label; |
8b0e934a | 2086 | size_t client_finished_label_len; |
0f113f3e | 2087 | const char *server_finished_label; |
8b0e934a | 2088 | size_t server_finished_label_len; |
0f113f3e MC |
2089 | int (*alert_value) (int); |
2090 | int (*export_keying_material) (SSL *, unsigned char *, size_t, | |
2091 | const char *, size_t, | |
2092 | const unsigned char *, size_t, | |
2093 | int use_context); | |
2094 | /* Various flags indicating protocol version requirements */ | |
f7d53487 | 2095 | uint32_t enc_flags; |
0f113f3e | 2096 | /* Set the handshake header */ |
a29fa98c | 2097 | int (*set_handshake_header) (SSL *s, WPACKET *pkt, int type); |
2c7b4dbc | 2098 | /* Close construction of the handshake message */ |
4a01c59f | 2099 | int (*close_construct_packet) (SSL *s, WPACKET *pkt, int htype); |
0f113f3e MC |
2100 | /* Write out handshake message */ |
2101 | int (*do_write) (SSL *s); | |
2102 | } SSL3_ENC_METHOD; | |
2103 | ||
a29fa98c MC |
2104 | # define ssl_set_handshake_header(s, pkt, htype) \ |
2105 | s->method->ssl3_enc->set_handshake_header((s), (pkt), (htype)) | |
4a01c59f MC |
2106 | # define ssl_close_construct_packet(s, pkt, htype) \ |
2107 | s->method->ssl3_enc->close_construct_packet((s), (pkt), (htype)) | |
0f113f3e | 2108 | # define ssl_do_write(s) s->method->ssl3_enc->do_write(s) |
173e72e6 DSH |
2109 | |
2110 | /* Values for enc_flags */ | |
2111 | ||
2112 | /* Uses explicit IV for CBC mode */ | |
0f113f3e | 2113 | # define SSL_ENC_FLAG_EXPLICIT_IV 0x1 |
173e72e6 | 2114 | /* Uses signature algorithms extension */ |
0f113f3e | 2115 | # define SSL_ENC_FLAG_SIGALGS 0x2 |
cbd64894 | 2116 | /* Uses SHA256 default PRF */ |
0f113f3e | 2117 | # define SSL_ENC_FLAG_SHA256_PRF 0x4 |
173e72e6 | 2118 | /* Is DTLS */ |
0f113f3e MC |
2119 | # define SSL_ENC_FLAG_DTLS 0x8 |
2120 | /* | |
2121 | * Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2: may | |
2122 | * apply to others in future. | |
4221c0dd | 2123 | */ |
0f113f3e | 2124 | # define SSL_ENC_FLAG_TLS1_2_CIPHERS 0x10 |
173e72e6 | 2125 | |
0f113f3e | 2126 | # ifndef OPENSSL_NO_COMP |
651d0aff | 2127 | /* Used for holding the relevant compression methods loaded into SSL_CTX */ |
0f113f3e MC |
2128 | typedef struct ssl3_comp_st { |
2129 | int comp_id; /* The identifier byte for this compression | |
2130 | * type */ | |
2131 | char *name; /* Text name used for the compression type */ | |
2132 | COMP_METHOD *method; /* The method :-) */ | |
2133 | } SSL3_COMP; | |
2134 | # endif | |
dfeab068 | 2135 | |
f7f2a01d MC |
2136 | typedef enum downgrade_en { |
2137 | DOWNGRADE_NONE, | |
2138 | DOWNGRADE_TO_1_2, | |
2139 | DOWNGRADE_TO_1_1 | |
2140 | } DOWNGRADE; | |
2141 | ||
cbb09544 MC |
2142 | /* |
2143 | * Dummy status type for the status_type extension. Indicates no status type | |
2144 | * set | |
2145 | */ | |
2146 | #define TLSEXT_STATUSTYPE_nothing -1 | |
2147 | ||
703bcee0 MC |
2148 | /* Sigalgs values */ |
2149 | #define TLSEXT_SIGALG_ecdsa_secp256r1_sha256 0x0403 | |
2150 | #define TLSEXT_SIGALG_ecdsa_secp384r1_sha384 0x0503 | |
2151 | #define TLSEXT_SIGALG_ecdsa_secp521r1_sha512 0x0603 | |
d8311fc9 | 2152 | #define TLSEXT_SIGALG_ecdsa_sha224 0x0303 |
703bcee0 | 2153 | #define TLSEXT_SIGALG_ecdsa_sha1 0x0203 |
f55e99f7 BK |
2154 | #define TLSEXT_SIGALG_rsa_pss_rsae_sha256 0x0804 |
2155 | #define TLSEXT_SIGALG_rsa_pss_rsae_sha384 0x0805 | |
2156 | #define TLSEXT_SIGALG_rsa_pss_rsae_sha512 0x0806 | |
2157 | #define TLSEXT_SIGALG_rsa_pss_pss_sha256 0x0809 | |
2158 | #define TLSEXT_SIGALG_rsa_pss_pss_sha384 0x080a | |
2159 | #define TLSEXT_SIGALG_rsa_pss_pss_sha512 0x080b | |
703bcee0 MC |
2160 | #define TLSEXT_SIGALG_rsa_pkcs1_sha256 0x0401 |
2161 | #define TLSEXT_SIGALG_rsa_pkcs1_sha384 0x0501 | |
2162 | #define TLSEXT_SIGALG_rsa_pkcs1_sha512 0x0601 | |
d8311fc9 | 2163 | #define TLSEXT_SIGALG_rsa_pkcs1_sha224 0x0301 |
703bcee0 MC |
2164 | #define TLSEXT_SIGALG_rsa_pkcs1_sha1 0x0201 |
2165 | #define TLSEXT_SIGALG_dsa_sha256 0x0402 | |
2166 | #define TLSEXT_SIGALG_dsa_sha384 0x0502 | |
2167 | #define TLSEXT_SIGALG_dsa_sha512 0x0602 | |
d8311fc9 | 2168 | #define TLSEXT_SIGALG_dsa_sha224 0x0302 |
703bcee0 | 2169 | #define TLSEXT_SIGALG_dsa_sha1 0x0202 |
6f892296 NM |
2170 | #define TLSEXT_SIGALG_gostr34102012_256_intrinsic 0x0840 |
2171 | #define TLSEXT_SIGALG_gostr34102012_512_intrinsic 0x0841 | |
703bcee0 MC |
2172 | #define TLSEXT_SIGALG_gostr34102012_256_gostr34112012_256 0xeeee |
2173 | #define TLSEXT_SIGALG_gostr34102012_512_gostr34112012_512 0xefef | |
2174 | #define TLSEXT_SIGALG_gostr34102001_gostr3411 0xeded | |
2175 | ||
3d234c9e | 2176 | #define TLSEXT_SIGALG_ed25519 0x0807 |
0e1d6ecf | 2177 | #define TLSEXT_SIGALG_ed448 0x0808 |
0a10825a BE |
2178 | #define TLSEXT_SIGALG_ecdsa_brainpoolP256r1_sha256 0x081a |
2179 | #define TLSEXT_SIGALG_ecdsa_brainpoolP384r1_sha384 0x081b | |
2180 | #define TLSEXT_SIGALG_ecdsa_brainpoolP512r1_sha512 0x081c | |
3d234c9e | 2181 | |
b2f7e8c0 MC |
2182 | /* Known PSK key exchange modes */ |
2183 | #define TLSEXT_KEX_MODE_KE 0x00 | |
2184 | #define TLSEXT_KEX_MODE_KE_DHE 0x01 | |
2185 | ||
2186 | /* | |
2187 | * Internal representations of key exchange modes | |
2188 | */ | |
2189 | #define TLSEXT_KEX_MODE_FLAG_NONE 0 | |
2190 | #define TLSEXT_KEX_MODE_FLAG_KE 1 | |
2191 | #define TLSEXT_KEX_MODE_FLAG_KE_DHE 2 | |
2192 | ||
555cbb32 TS |
2193 | #define SSL_USE_PSS(s) (s->s3.tmp.peer_sigalg != NULL && \ |
2194 | s->s3.tmp.peer_sigalg->sig == EVP_PKEY_RSA_PSS) | |
fe3066ee | 2195 | |
703bcee0 MC |
2196 | /* A dummy signature value not valid for TLSv1.2 signature algs */ |
2197 | #define TLSEXT_signature_rsa_pss 0x0101 | |
2198 | ||
643a3580 MC |
2199 | /* TLSv1.3 downgrade protection sentinel values */ |
2200 | extern const unsigned char tls11downgrade[8]; | |
2201 | extern const unsigned char tls12downgrade[8]; | |
703bcee0 | 2202 | |
3ed449e9 | 2203 | extern SSL3_ENC_METHOD ssl3_undef_enc_method; |
7d7d2cbc | 2204 | |
2b8fa1d5 KR |
2205 | __owur const SSL_METHOD *ssl_bad_method(int ver); |
2206 | __owur const SSL_METHOD *sslv3_method(void); | |
2207 | __owur const SSL_METHOD *sslv3_server_method(void); | |
2208 | __owur const SSL_METHOD *sslv3_client_method(void); | |
2209 | __owur const SSL_METHOD *tlsv1_method(void); | |
2210 | __owur const SSL_METHOD *tlsv1_server_method(void); | |
2211 | __owur const SSL_METHOD *tlsv1_client_method(void); | |
2212 | __owur const SSL_METHOD *tlsv1_1_method(void); | |
2213 | __owur const SSL_METHOD *tlsv1_1_server_method(void); | |
2214 | __owur const SSL_METHOD *tlsv1_1_client_method(void); | |
2215 | __owur const SSL_METHOD *tlsv1_2_method(void); | |
2216 | __owur const SSL_METHOD *tlsv1_2_server_method(void); | |
2217 | __owur const SSL_METHOD *tlsv1_2_client_method(void); | |
582a17d6 MC |
2218 | __owur const SSL_METHOD *tlsv1_3_method(void); |
2219 | __owur const SSL_METHOD *tlsv1_3_server_method(void); | |
2220 | __owur const SSL_METHOD *tlsv1_3_client_method(void); | |
2b8fa1d5 KR |
2221 | __owur const SSL_METHOD *dtlsv1_method(void); |
2222 | __owur const SSL_METHOD *dtlsv1_server_method(void); | |
2223 | __owur const SSL_METHOD *dtlsv1_client_method(void); | |
032924c4 | 2224 | __owur const SSL_METHOD *dtls_bad_ver_client_method(void); |
2b8fa1d5 KR |
2225 | __owur const SSL_METHOD *dtlsv1_2_method(void); |
2226 | __owur const SSL_METHOD *dtlsv1_2_server_method(void); | |
2227 | __owur const SSL_METHOD *dtlsv1_2_client_method(void); | |
d02b48c6 | 2228 | |
161e0a61 BL |
2229 | extern const SSL3_ENC_METHOD TLSv1_enc_data; |
2230 | extern const SSL3_ENC_METHOD TLSv1_1_enc_data; | |
2231 | extern const SSL3_ENC_METHOD TLSv1_2_enc_data; | |
582a17d6 | 2232 | extern const SSL3_ENC_METHOD TLSv1_3_enc_data; |
8892ce77 BL |
2233 | extern const SSL3_ENC_METHOD SSLv3_enc_data; |
2234 | extern const SSL3_ENC_METHOD DTLSv1_enc_data; | |
2235 | extern const SSL3_ENC_METHOD DTLSv1_2_enc_data; | |
f3b656b2 | 2236 | |
4fa52141 VD |
2237 | /* |
2238 | * Flags for SSL methods | |
2239 | */ | |
a230b26e EK |
2240 | # define SSL_METHOD_NO_FIPS (1U<<0) |
2241 | # define SSL_METHOD_NO_SUITEB (1U<<1) | |
4fa52141 VD |
2242 | |
2243 | # define IMPLEMENT_tls_meth_func(version, flags, mask, func_name, s_accept, \ | |
ccae4a15 | 2244 | s_connect, enc_data) \ |
4ebb342f | 2245 | const SSL_METHOD *func_name(void) \ |
0f113f3e MC |
2246 | { \ |
2247 | static const SSL_METHOD func_name##_data= { \ | |
2248 | version, \ | |
4fa52141 VD |
2249 | flags, \ |
2250 | mask, \ | |
0f113f3e MC |
2251 | tls1_new, \ |
2252 | tls1_clear, \ | |
2253 | tls1_free, \ | |
2254 | s_accept, \ | |
2255 | s_connect, \ | |
2256 | ssl3_read, \ | |
2257 | ssl3_peek, \ | |
2258 | ssl3_write, \ | |
2259 | ssl3_shutdown, \ | |
2260 | ssl3_renegotiate, \ | |
2261 | ssl3_renegotiate_check, \ | |
0f113f3e MC |
2262 | ssl3_read_bytes, \ |
2263 | ssl3_write_bytes, \ | |
2264 | ssl3_dispatch_alert, \ | |
2265 | ssl3_ctrl, \ | |
2266 | ssl3_ctx_ctrl, \ | |
2267 | ssl3_get_cipher_by_char, \ | |
2268 | ssl3_put_cipher_by_char, \ | |
2269 | ssl3_pending, \ | |
2270 | ssl3_num_ciphers, \ | |
2271 | ssl3_get_cipher, \ | |
0f113f3e MC |
2272 | tls1_default_timeout, \ |
2273 | &enc_data, \ | |
2274 | ssl_undefined_void_function, \ | |
2275 | ssl3_callback_ctrl, \ | |
2276 | ssl3_ctx_callback_ctrl, \ | |
2277 | }; \ | |
2278 | return &func_name##_data; \ | |
2279 | } | |
2280 | ||
ccae4a15 | 2281 | # define IMPLEMENT_ssl3_meth_func(func_name, s_accept, s_connect) \ |
4ebb342f | 2282 | const SSL_METHOD *func_name(void) \ |
0f113f3e MC |
2283 | { \ |
2284 | static const SSL_METHOD func_name##_data= { \ | |
2285 | SSL3_VERSION, \ | |
4fa52141 VD |
2286 | SSL_METHOD_NO_FIPS | SSL_METHOD_NO_SUITEB, \ |
2287 | SSL_OP_NO_SSLv3, \ | |
0f113f3e MC |
2288 | ssl3_new, \ |
2289 | ssl3_clear, \ | |
2290 | ssl3_free, \ | |
2291 | s_accept, \ | |
2292 | s_connect, \ | |
2293 | ssl3_read, \ | |
2294 | ssl3_peek, \ | |
2295 | ssl3_write, \ | |
2296 | ssl3_shutdown, \ | |
2297 | ssl3_renegotiate, \ | |
2298 | ssl3_renegotiate_check, \ | |
0f113f3e MC |
2299 | ssl3_read_bytes, \ |
2300 | ssl3_write_bytes, \ | |
2301 | ssl3_dispatch_alert, \ | |
2302 | ssl3_ctrl, \ | |
2303 | ssl3_ctx_ctrl, \ | |
2304 | ssl3_get_cipher_by_char, \ | |
2305 | ssl3_put_cipher_by_char, \ | |
2306 | ssl3_pending, \ | |
2307 | ssl3_num_ciphers, \ | |
2308 | ssl3_get_cipher, \ | |
0f113f3e MC |
2309 | ssl3_default_timeout, \ |
2310 | &SSLv3_enc_data, \ | |
2311 | ssl_undefined_void_function, \ | |
2312 | ssl3_callback_ctrl, \ | |
2313 | ssl3_ctx_callback_ctrl, \ | |
2314 | }; \ | |
2315 | return &func_name##_data; \ | |
2316 | } | |
2317 | ||
4fa52141 | 2318 | # define IMPLEMENT_dtls1_meth_func(version, flags, mask, func_name, s_accept, \ |
ccae4a15 | 2319 | s_connect, enc_data) \ |
4ebb342f | 2320 | const SSL_METHOD *func_name(void) \ |
0f113f3e MC |
2321 | { \ |
2322 | static const SSL_METHOD func_name##_data= { \ | |
2323 | version, \ | |
4fa52141 VD |
2324 | flags, \ |
2325 | mask, \ | |
0f113f3e MC |
2326 | dtls1_new, \ |
2327 | dtls1_clear, \ | |
2328 | dtls1_free, \ | |
2329 | s_accept, \ | |
2330 | s_connect, \ | |
2331 | ssl3_read, \ | |
2332 | ssl3_peek, \ | |
2333 | ssl3_write, \ | |
2334 | dtls1_shutdown, \ | |
2335 | ssl3_renegotiate, \ | |
2336 | ssl3_renegotiate_check, \ | |
0f113f3e MC |
2337 | dtls1_read_bytes, \ |
2338 | dtls1_write_app_data_bytes, \ | |
2339 | dtls1_dispatch_alert, \ | |
2340 | dtls1_ctrl, \ | |
2341 | ssl3_ctx_ctrl, \ | |
2342 | ssl3_get_cipher_by_char, \ | |
2343 | ssl3_put_cipher_by_char, \ | |
2344 | ssl3_pending, \ | |
2345 | ssl3_num_ciphers, \ | |
ca3895f0 | 2346 | ssl3_get_cipher, \ |
0f113f3e MC |
2347 | dtls1_default_timeout, \ |
2348 | &enc_data, \ | |
2349 | ssl_undefined_void_function, \ | |
2350 | ssl3_callback_ctrl, \ | |
2351 | ssl3_ctx_callback_ctrl, \ | |
2352 | }; \ | |
2353 | return &func_name##_data; \ | |
2354 | } | |
2355 | ||
2356 | struct openssl_ssl_test_functions { | |
46417569 | 2357 | int (*p_ssl_init_wbio_buffer) (SSL *s); |
0f113f3e | 2358 | int (*p_ssl3_setup_buffers) (SSL *s); |
0f113f3e MC |
2359 | }; |
2360 | ||
3eb2aff4 | 2361 | const char *ssl_protocol_to_string(int version); |
7d650072 | 2362 | |
4020c0b3 DSH |
2363 | /* Returns true if certificate and private key for 'idx' are present */ |
2364 | static ossl_inline int ssl_has_cert(const SSL *s, int idx) | |
2365 | { | |
2366 | if (idx < 0 || idx >= SSL_PKEY_NUM) | |
2367 | return 0; | |
2368 | return s->cert->pkeys[idx].x509 != NULL | |
2369 | && s->cert->pkeys[idx].privatekey != NULL; | |
2370 | } | |
2371 | ||
ff6d20a6 DSH |
2372 | static ossl_inline void tls1_get_peer_groups(SSL *s, const uint16_t **pgroups, |
2373 | size_t *pgroupslen) | |
2374 | { | |
45436e61 MC |
2375 | *pgroups = s->ext.peer_supportedgroups; |
2376 | *pgroupslen = s->ext.peer_supportedgroups_len; | |
ff6d20a6 DSH |
2377 | } |
2378 | ||
0f113f3e | 2379 | # ifndef OPENSSL_UNIT_TEST |
e0fc7961 | 2380 | |
4ee7d3f9 KR |
2381 | __owur int ssl_read_internal(SSL *s, void *buf, size_t num, size_t *readbytes); |
2382 | __owur int ssl_write_internal(SSL *s, const void *buf, size_t num, size_t *written); | |
d02b48c6 RE |
2383 | void ssl_clear_cipher_ctx(SSL *s); |
2384 | int ssl_clear_bad_session(SSL *s); | |
4bcdb4a6 MC |
2385 | __owur CERT *ssl_cert_new(void); |
2386 | __owur CERT *ssl_cert_dup(CERT *cert); | |
a5ee80b9 | 2387 | void ssl_cert_clear_certs(CERT *c); |
d02b48c6 | 2388 | void ssl_cert_free(CERT *c); |
a84e5c9a | 2389 | __owur int ssl_generate_session_id(SSL *s, SSL_SESSION *ss); |
4bcdb4a6 | 2390 | __owur int ssl_get_new_session(SSL *s, int session); |
6cc0b3c2 MC |
2391 | __owur SSL_SESSION *lookup_sess_in_cache(SSL *s, const unsigned char *sess_id, |
2392 | size_t sess_id_len); | |
f63a17d6 | 2393 | __owur int ssl_get_prev_session(SSL *s, CLIENTHELLO_MSG *hello); |
9fdcc21f | 2394 | __owur SSL_SESSION *ssl_session_dup(const SSL_SESSION *src, int ticket); |
4bcdb4a6 | 2395 | __owur int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b); |
0f113f3e | 2396 | DECLARE_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, ssl_cipher_id); |
4bcdb4a6 | 2397 | __owur int ssl_cipher_ptr_id_cmp(const SSL_CIPHER *const *ap, |
a230b26e | 2398 | const SSL_CIPHER *const *bp); |
a68eee67 | 2399 | __owur STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(SSL_CTX *ctx, |
f865b081 MC |
2400 | STACK_OF(SSL_CIPHER) *tls13_ciphersuites, |
2401 | STACK_OF(SSL_CIPHER) **cipher_list, | |
2402 | STACK_OF(SSL_CIPHER) **cipher_list_by_id, | |
a230b26e EK |
2403 | const char *rule_str, |
2404 | CERT *c); | |
f63a17d6 | 2405 | __owur int ssl_cache_cipherlist(SSL *s, PACKET *cipher_suites, int sslv2format); |
90134d98 BK |
2406 | __owur int bytes_to_cipher_list(SSL *s, PACKET *cipher_suites, |
2407 | STACK_OF(SSL_CIPHER) **skp, | |
2408 | STACK_OF(SSL_CIPHER) **scsvs, int sslv2format, | |
f63a17d6 | 2409 | int fatal); |
d02b48c6 | 2410 | void ssl_update_cache(SSL *s, int mode); |
9727f4e7 MC |
2411 | __owur int ssl_cipher_get_evp_cipher(SSL_CTX *ctx, const SSL_CIPHER *sslc, |
2412 | const EVP_CIPHER **enc); | |
c8f6c28a MC |
2413 | __owur int ssl_cipher_get_evp(SSL_CTX *ctxc, const SSL_SESSION *s, |
2414 | const EVP_CIPHER **enc, const EVP_MD **md, | |
2415 | int *mac_pkey_type, size_t *mac_secret_size, | |
2416 | SSL_COMP **comp, int use_etm); | |
045bd047 DW |
2417 | __owur int ssl_cipher_get_overhead(const SSL_CIPHER *c, size_t *mac_overhead, |
2418 | size_t *int_overhead, size_t *blocksize, | |
2419 | size_t *ext_overhead); | |
a68eee67 | 2420 | __owur int ssl_cert_is_disabled(SSL_CTX *ctx, size_t idx); |
a230b26e | 2421 | __owur const SSL_CIPHER *ssl_get_cipher_by_char(SSL *ssl, |
60d685d1 BK |
2422 | const unsigned char *ptr, |
2423 | int all); | |
4bcdb4a6 MC |
2424 | __owur int ssl_cert_set0_chain(SSL *s, SSL_CTX *ctx, STACK_OF(X509) *chain); |
2425 | __owur int ssl_cert_set1_chain(SSL *s, SSL_CTX *ctx, STACK_OF(X509) *chain); | |
2426 | __owur int ssl_cert_add0_chain_cert(SSL *s, SSL_CTX *ctx, X509 *x); | |
2427 | __owur int ssl_cert_add1_chain_cert(SSL *s, SSL_CTX *ctx, X509 *x); | |
2428 | __owur int ssl_cert_select_current(CERT *c, X509 *x); | |
2429 | __owur int ssl_cert_set_current(CERT *c, long arg); | |
a230b26e | 2430 | void ssl_cert_set_cert_cb(CERT *c, int (*cb) (SSL *ssl, void *arg), void *arg); |
f71c6e52 | 2431 | |
4bcdb4a6 | 2432 | __owur int ssl_verify_cert_chain(SSL *s, STACK_OF(X509) *sk); |
4bcdb4a6 | 2433 | __owur int ssl_build_cert_chain(SSL *s, SSL_CTX *ctx, int flags); |
a230b26e EK |
2434 | __owur int ssl_cert_set_cert_store(CERT *c, X509_STORE *store, int chain, |
2435 | int ref); | |
948cf521 | 2436 | __owur int ssl_cert_get_cert_store(CERT *c, X509_STORE **pstore, int chain); |
b362ccab | 2437 | |
e4646a89 | 2438 | __owur int ssl_security(const SSL *s, int op, int bits, int nid, void *other); |
a230b26e EK |
2439 | __owur int ssl_ctx_security(const SSL_CTX *ctx, int op, int bits, int nid, |
2440 | void *other); | |
d7b5c648 | 2441 | int ssl_get_security_level_bits(const SSL *s, const SSL_CTX *ctx, int *levelp); |
b362ccab | 2442 | |
11d2641f | 2443 | __owur int ssl_cert_lookup_by_nid(int nid, size_t *pidx); |
c04cd728 DSH |
2444 | __owur const SSL_CERT_LOOKUP *ssl_cert_lookup_by_pkey(const EVP_PKEY *pk, |
2445 | size_t *pidx); | |
2446 | __owur const SSL_CERT_LOOKUP *ssl_cert_lookup_by_idx(size_t idx); | |
2447 | ||
d02b48c6 | 2448 | int ssl_undefined_function(SSL *s); |
4bcdb4a6 MC |
2449 | __owur int ssl_undefined_void_function(void); |
2450 | __owur int ssl_undefined_const_function(const SSL *s); | |
a230b26e EK |
2451 | __owur int ssl_get_server_cert_serverinfo(SSL *s, |
2452 | const unsigned char **serverinfo, | |
2453 | size_t *serverinfo_length); | |
2cf28d61 | 2454 | void ssl_set_masks(SSL *s); |
4bcdb4a6 | 2455 | __owur STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s); |
c6d38183 | 2456 | __owur int ssl_x509err2alert(int type); |
748f2546 | 2457 | void ssl_sort_cipher_list(void); |
c8f6c28a | 2458 | int ssl_load_ciphers(SSL_CTX *ctx); |
263ff2c9 | 2459 | __owur int ssl_setup_sig_algs(SSL_CTX *ctx); |
9d2d857f | 2460 | int ssl_load_groups(SSL_CTX *ctx); |
a230b26e | 2461 | __owur int ssl_fill_hello_random(SSL *s, int server, unsigned char *field, |
f7f2a01d | 2462 | size_t len, DOWNGRADE dgrd); |
57b272b0 DSH |
2463 | __owur int ssl_generate_master_secret(SSL *s, unsigned char *pms, size_t pmslen, |
2464 | int free_pms); | |
0f00ed77 | 2465 | __owur EVP_PKEY *ssl_generate_pkey(SSL *s, EVP_PKEY *pm); |
8b17fbaf | 2466 | __owur int ssl_gensecret(SSL *s, unsigned char *pms, size_t pmslen); |
0f1e51ea MC |
2467 | __owur int ssl_derive(SSL *s, EVP_PKEY *privkey, EVP_PKEY *pubkey, |
2468 | int genmaster); | |
a011b586 NT |
2469 | __owur int ssl_decapsulate(SSL *s, EVP_PKEY *privkey, |
2470 | const unsigned char *ct, size_t ctlen, | |
2471 | int gensecret); | |
8b17fbaf NT |
2472 | __owur int ssl_encapsulate(SSL *s, EVP_PKEY *pubkey, |
2473 | unsigned char **ctp, size_t *ctlenp, | |
2474 | int gensecret); | |
6c4e6670 | 2475 | __owur EVP_PKEY *ssl_dh_to_pkey(DH *dh); |
0c8e98e6 TM |
2476 | __owur int ssl_set_tmp_ecdh_groups(uint16_t **pext, size_t *pextlen, |
2477 | void *key); | |
cf72c757 F |
2478 | __owur unsigned int ssl_get_max_send_fragment(const SSL *ssl); |
2479 | __owur unsigned int ssl_get_split_send_fragment(const SSL *ssl); | |
d02b48c6 | 2480 | |
ec15acb6 | 2481 | __owur const SSL_CIPHER *ssl3_get_cipher_by_id(uint32_t id); |
bbb4ceb8 | 2482 | __owur const SSL_CIPHER *ssl3_get_cipher_by_std_name(const char *stdname); |
4bcdb4a6 | 2483 | __owur const SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p); |
ae2f7b37 | 2484 | __owur int ssl3_put_cipher_by_char(const SSL_CIPHER *c, WPACKET *pkt, |
2c7b4dbc | 2485 | size_t *len); |
2c4a056f | 2486 | int ssl3_init_finished_mac(SSL *s); |
4bcdb4a6 | 2487 | __owur int ssl3_setup_key_block(SSL *s); |
4bcdb4a6 | 2488 | __owur int ssl3_change_cipher_state(SSL *s, int which); |
d02b48c6 | 2489 | void ssl3_cleanup_key_block(SSL *s); |
4bcdb4a6 | 2490 | __owur int ssl3_do_write(SSL *s, int type); |
0f113f3e | 2491 | int ssl3_send_alert(SSL *s, int level, int desc); |
4bcdb4a6 | 2492 | __owur int ssl3_generate_master_secret(SSL *s, unsigned char *out, |
8c1a5343 MC |
2493 | unsigned char *p, size_t len, |
2494 | size_t *secret_size); | |
28ff8ef3 | 2495 | __owur int ssl3_get_req_cert_type(SSL *s, WPACKET *pkt); |
4bcdb4a6 MC |
2496 | __owur int ssl3_num_ciphers(void); |
2497 | __owur const SSL_CIPHER *ssl3_get_cipher(unsigned int u); | |
0f113f3e | 2498 | int ssl3_renegotiate(SSL *ssl); |
c7f47786 | 2499 | int ssl3_renegotiate_check(SSL *ssl, int initok); |
d5e5e2ff SL |
2500 | void ssl3_digest_master_key_set_params(const SSL_SESSION *session, |
2501 | OSSL_PARAM params[]); | |
4bcdb4a6 | 2502 | __owur int ssl3_dispatch_alert(SSL *s); |
6db6bc5a | 2503 | __owur size_t ssl3_final_finish_mac(SSL *s, const char *sender, size_t slen, |
12472b45 | 2504 | unsigned char *p); |
7ee8627f | 2505 | __owur int ssl3_finish_mac(SSL *s, const unsigned char *buf, size_t len); |
81025661 | 2506 | void ssl3_free_digest_list(SSL *s); |
7cea05dc | 2507 | __owur unsigned long ssl3_output_cert_chain(SSL *s, WPACKET *pkt, |
f63a17d6 | 2508 | CERT_PKEY *cpk); |
4a640fb6 DSH |
2509 | __owur const SSL_CIPHER *ssl3_choose_cipher(SSL *ssl, |
2510 | STACK_OF(SSL_CIPHER) *clnt, | |
2511 | STACK_OF(SSL_CIPHER) *srvr); | |
124037fd | 2512 | __owur int ssl3_digest_cached_records(SSL *s, int keep); |
4bcdb4a6 | 2513 | __owur int ssl3_new(SSL *s); |
0f113f3e | 2514 | void ssl3_free(SSL *s); |
54105ddd MC |
2515 | __owur int ssl3_read(SSL *s, void *buf, size_t len, size_t *readbytes); |
2516 | __owur int ssl3_peek(SSL *s, void *buf, size_t len, size_t *readbytes); | |
7ee8627f | 2517 | __owur int ssl3_write(SSL *s, const void *buf, size_t len, size_t *written); |
4bcdb4a6 | 2518 | __owur int ssl3_shutdown(SSL *s); |
b77f3ed1 | 2519 | int ssl3_clear(SSL *s); |
4bcdb4a6 MC |
2520 | __owur long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg); |
2521 | __owur long ssl3_ctx_ctrl(SSL_CTX *s, int cmd, long larg, void *parg); | |
2522 | __owur long ssl3_callback_ctrl(SSL *s, int cmd, void (*fp) (void)); | |
2523 | __owur long ssl3_ctx_callback_ctrl(SSL_CTX *s, int cmd, void (*fp) (void)); | |
d02b48c6 | 2524 | |
4bcdb4a6 MC |
2525 | __owur int ssl3_do_change_cipher_spec(SSL *ssl); |
2526 | __owur long ssl3_default_timeout(void); | |
f3b656b2 | 2527 | |
a29fa98c | 2528 | __owur int ssl3_set_handshake_header(SSL *s, WPACKET *pkt, int htype); |
4a01c59f | 2529 | __owur int tls_close_construct_packet(SSL *s, WPACKET *pkt, int htype); |
c7f47786 | 2530 | __owur int tls_setup_handshake(SSL *s); |
a29fa98c | 2531 | __owur int dtls1_set_handshake_header(SSL *s, WPACKET *pkt, int htype); |
4a01c59f | 2532 | __owur int dtls1_close_construct_packet(SSL *s, WPACKET *pkt, int htype); |
4bcdb4a6 MC |
2533 | __owur int ssl3_handshake_write(SSL *s); |
2534 | ||
4bcdb4a6 MC |
2535 | __owur int ssl_allow_compression(SSL *s); |
2536 | ||
4fd12788 MC |
2537 | __owur int ssl_version_supported(const SSL *s, int version, |
2538 | const SSL_METHOD **meth); | |
ccae4a15 | 2539 | |
4fa52141 VD |
2540 | __owur int ssl_set_client_hello_version(SSL *s); |
2541 | __owur int ssl_check_version_downgrade(SSL *s); | |
2542 | __owur int ssl_set_version_bound(int method_version, int version, int *bound); | |
f7f2a01d MC |
2543 | __owur int ssl_choose_server_version(SSL *s, CLIENTHELLO_MSG *hello, |
2544 | DOWNGRADE *dgrd); | |
88050dd1 MC |
2545 | __owur int ssl_choose_client_version(SSL *s, int version, |
2546 | RAW_EXTENSION *extensions); | |
1d0c08b4 | 2547 | __owur int ssl_get_min_max_version(const SSL *s, int *min_version, |
b5b993b2 | 2548 | int *max_version, int *real_max); |
4fa52141 | 2549 | |
4bcdb4a6 MC |
2550 | __owur long tls1_default_timeout(void); |
2551 | __owur int dtls1_do_write(SSL *s, int type); | |
4bcdb4a6 | 2552 | void dtls1_set_message_header(SSL *s, |
a773b52a | 2553 | unsigned char mt, |
d736bc1a MC |
2554 | size_t len, |
2555 | size_t frag_off, size_t frag_len); | |
4bcdb4a6 | 2556 | |
7ee8627f MC |
2557 | int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf_, size_t len, |
2558 | size_t *written); | |
4bcdb4a6 | 2559 | |
4bcdb4a6 MC |
2560 | __owur int dtls1_read_failed(SSL *s, int code); |
2561 | __owur int dtls1_buffer_message(SSL *s, int ccs); | |
a773b52a | 2562 | __owur int dtls1_retransmit_message(SSL *s, unsigned short seq, int *found); |
4bcdb4a6 | 2563 | __owur int dtls1_get_queue_priority(unsigned short seq, int is_ccs); |
17dd65e6 | 2564 | int dtls1_retransmit_buffered_messages(SSL *s); |
f5c7f5df MC |
2565 | void dtls1_clear_received_buffer(SSL *s); |
2566 | void dtls1_clear_sent_buffer(SSL *s); | |
0f113f3e MC |
2567 | void dtls1_get_message_header(unsigned char *data, |
2568 | struct hm_header_st *msg_hdr); | |
4bcdb4a6 MC |
2569 | __owur long dtls1_default_timeout(void); |
2570 | __owur struct timeval *dtls1_get_timeout(SSL *s, struct timeval *timeleft); | |
2571 | __owur int dtls1_check_timeout_num(SSL *s); | |
2572 | __owur int dtls1_handle_timeout(SSL *s); | |
9289f21b DSH |
2573 | void dtls1_start_timer(SSL *s); |
2574 | void dtls1_stop_timer(SSL *s); | |
4bcdb4a6 | 2575 | __owur int dtls1_is_timer_expired(SSL *s); |
c536b6be | 2576 | __owur int dtls_raw_hello_verify_request(WPACKET *pkt, unsigned char *cookie, |
cb150cbc | 2577 | size_t cookie_len); |
7ee8627f | 2578 | __owur size_t dtls1_min_mtu(SSL *s); |
8a35dbb6 | 2579 | void dtls1_hm_fragment_free(hm_fragment *frag); |
8ba708e5 | 2580 | __owur int dtls1_query_mtu(SSL *s); |
480506bd | 2581 | |
4bcdb4a6 | 2582 | __owur int tls1_new(SSL *s); |
58964a49 | 2583 | void tls1_free(SSL *s); |
b77f3ed1 | 2584 | int tls1_clear(SSL *s); |
58964a49 | 2585 | |
4bcdb4a6 | 2586 | __owur int dtls1_new(SSL *s); |
36d16f8e | 2587 | void dtls1_free(SSL *s); |
b77f3ed1 | 2588 | int dtls1_clear(SSL *s); |
0f113f3e | 2589 | long dtls1_ctrl(SSL *s, int cmd, long larg, void *parg); |
4bcdb4a6 | 2590 | __owur int dtls1_shutdown(SSL *s); |
36d16f8e | 2591 | |
4bcdb4a6 | 2592 | __owur int dtls1_dispatch_alert(SSL *s); |
36d16f8e | 2593 | |
46417569 | 2594 | __owur int ssl_init_wbio_buffer(SSL *s); |
b77f3ed1 | 2595 | int ssl_free_wbio_buffer(SSL *s); |
58964a49 | 2596 | |
4bcdb4a6 MC |
2597 | __owur int tls1_change_cipher_state(SSL *s, int which); |
2598 | __owur int tls1_setup_key_block(SSL *s); | |
6db6bc5a | 2599 | __owur size_t tls1_final_finish_mac(SSL *s, const char *str, size_t slen, |
12472b45 | 2600 | unsigned char *p); |
4bcdb4a6 | 2601 | __owur int tls1_generate_master_secret(SSL *s, unsigned char *out, |
8c1a5343 MC |
2602 | unsigned char *p, size_t len, |
2603 | size_t *secret_size); | |
92760c21 MC |
2604 | __owur int tls13_setup_key_block(SSL *s); |
2605 | __owur size_t tls13_final_finish_mac(SSL *s, const char *str, size_t slen, | |
2606 | unsigned char *p); | |
0d9824c1 | 2607 | __owur int tls13_change_cipher_state(SSL *s, int which); |
c2fd15f6 | 2608 | __owur int tls13_update_key(SSL *s, int send); |
ec15acb6 MC |
2609 | __owur int tls13_hkdf_expand(SSL *s, const EVP_MD *md, |
2610 | const unsigned char *secret, | |
ace081c1 | 2611 | const unsigned char *label, size_t labellen, |
a19ae67d | 2612 | const unsigned char *data, size_t datalen, |
0fb2815b | 2613 | unsigned char *out, size_t outlen, int fatal); |
d49e23ec MC |
2614 | __owur int tls13_derive_key(SSL *s, const EVP_MD *md, |
2615 | const unsigned char *secret, unsigned char *key, | |
2616 | size_t keylen); | |
2617 | __owur int tls13_derive_iv(SSL *s, const EVP_MD *md, | |
2618 | const unsigned char *secret, unsigned char *iv, | |
2619 | size_t ivlen); | |
ec15acb6 MC |
2620 | __owur int tls13_derive_finishedkey(SSL *s, const EVP_MD *md, |
2621 | const unsigned char *secret, | |
2622 | unsigned char *fin, size_t finlen); | |
2623 | int tls13_generate_secret(SSL *s, const EVP_MD *md, | |
2624 | const unsigned char *prevsecret, | |
2625 | const unsigned char *insecret, | |
2626 | size_t insecretlen, | |
2627 | unsigned char *outsecret); | |
34574f19 MC |
2628 | __owur int tls13_generate_handshake_secret(SSL *s, |
2629 | const unsigned char *insecret, | |
2630 | size_t insecretlen); | |
2631 | __owur int tls13_generate_master_secret(SSL *s, unsigned char *out, | |
2632 | unsigned char *prev, size_t prevlen, | |
2633 | size_t *secret_size); | |
4bcdb4a6 | 2634 | __owur int tls1_export_keying_material(SSL *s, unsigned char *out, size_t olen, |
a230b26e EK |
2635 | const char *label, size_t llen, |
2636 | const unsigned char *p, size_t plen, | |
2637 | int use_context); | |
0ca8d1ec MC |
2638 | __owur int tls13_export_keying_material(SSL *s, unsigned char *out, size_t olen, |
2639 | const char *label, size_t llen, | |
2640 | const unsigned char *context, | |
2641 | size_t contextlen, int use_context); | |
b38ede80 TT |
2642 | __owur int tls13_export_keying_material_early(SSL *s, unsigned char *out, |
2643 | size_t olen, const char *label, | |
2644 | size_t llen, | |
2645 | const unsigned char *context, | |
2646 | size_t contextlen); | |
4bcdb4a6 | 2647 | __owur int tls1_alert_code(int code); |
04904312 | 2648 | __owur int tls13_alert_code(int code); |
4bcdb4a6 | 2649 | __owur int ssl3_alert_code(int code); |
58964a49 | 2650 | |
4bcdb4a6 | 2651 | __owur int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s); |
41fdcfa7 | 2652 | |
f73e07cf | 2653 | SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n); |
413c4f45 | 2654 | |
0a10825a BE |
2655 | __owur uint16_t ssl_group_id_internal_to_tls13(uint16_t curve_id); |
2656 | __owur uint16_t ssl_group_id_tls13_to_internal(uint16_t curve_id); | |
9d2d857f | 2657 | __owur const TLS_GROUP_INFO *tls1_group_id_lookup(SSL_CTX *ctx, uint16_t curve_id); |
260009d8 | 2658 | __owur int tls1_group_id2nid(uint16_t group_id, int include_unknown); |
becbacd7 | 2659 | __owur uint16_t tls1_nid2group_id(int nid); |
dcf8b01f | 2660 | __owur int tls1_check_group_id(SSL *s, uint16_t group_id, int check_own_curves); |
8841154a | 2661 | __owur uint16_t tls1_shared_group(SSL *s, int nmatch); |
9e84a42d | 2662 | __owur int tls1_set_groups(uint16_t **pext, size_t *pextlen, |
a230b26e | 2663 | int *curves, size_t ncurves); |
260009d8 | 2664 | __owur int tls1_set_groups_list(SSL_CTX *ctx, uint16_t **pext, size_t *pextlen, |
a230b26e | 2665 | const char *str); |
f63a17d6 | 2666 | __owur EVP_PKEY *ssl_generate_pkey_group(SSL *s, uint16_t id); |
9d2d857f | 2667 | __owur int tls_valid_group(SSL *s, uint16_t group_id, int minversion, |
8b1db5d3 | 2668 | int maxversion, int isec, int *okfortls13); |
ada66e78 | 2669 | __owur EVP_PKEY *ssl_generate_param_group(SSL *s, uint16_t id); |
dbc6268f MC |
2670 | void tls1_get_formatlist(SSL *s, const unsigned char **pformats, |
2671 | size_t *num_formats); | |
2672 | __owur int tls1_check_ec_tmp_key(SSL *s, unsigned long id); | |
33273721 | 2673 | |
dbc6268f | 2674 | __owur int tls_group_allowed(SSL *s, uint16_t curve, int op); |
ff6d20a6 DSH |
2675 | void tls1_get_supported_groups(SSL *s, const uint16_t **pgroups, |
2676 | size_t *pgroupslen); | |
6b473aca | 2677 | |
4bcdb4a6 | 2678 | __owur int tls1_set_server_sigalgs(SSL *s); |
ddf6ec00 | 2679 | |
61fb5923 | 2680 | __owur SSL_TICKET_STATUS tls_get_ticket_from_client(SSL *s, CLIENTHELLO_MSG *hello, |
df0fed9a | 2681 | SSL_SESSION **ret); |
61fb5923 | 2682 | __owur SSL_TICKET_STATUS tls_decrypt_ticket(SSL *s, const unsigned char *etick, |
df0fed9a TS |
2683 | size_t eticklen, |
2684 | const unsigned char *sess_id, | |
2685 | size_t sesslen, SSL_SESSION **psess); | |
1053a6e2 | 2686 | |
7da160b0 | 2687 | __owur int tls_use_ticket(SSL *s); |
a2f9200f | 2688 | |
90d9e49a | 2689 | void ssl_set_sig_mask(uint32_t *pmask_a, SSL *s, int op); |
a2f9200f | 2690 | |
4bcdb4a6 | 2691 | __owur int tls1_set_sigalgs_list(CERT *c, const char *str, int client); |
fd5e1a8c BK |
2692 | __owur int tls1_set_raw_sigalgs(CERT *c, const uint16_t *psigs, size_t salglen, |
2693 | int client); | |
a230b26e EK |
2694 | __owur int tls1_set_sigalgs(CERT *c, const int *salg, size_t salglen, |
2695 | int client); | |
17dd65e6 | 2696 | int tls1_check_chain(SSL *s, X509 *x, EVP_PKEY *pk, STACK_OF(X509) *chain, |
0f113f3e | 2697 | int idx); |
d61ff83b | 2698 | void tls1_set_cert_validity(SSL *s); |
0f229cce | 2699 | |
a230b26e | 2700 | # ifndef OPENSSL_NO_CT |
4d482ee2 | 2701 | __owur int ssl_validate_ct(SSL *s); |
a230b26e | 2702 | # endif |
ed29e82a | 2703 | |
091f6074 | 2704 | __owur EVP_PKEY *ssl_get_auto_dh(SSL *s); |
b362ccab | 2705 | |
4bcdb4a6 | 2706 | __owur int ssl_security_cert(SSL *s, SSL_CTX *ctx, X509 *x, int vfy, int is_ee); |
a230b26e EK |
2707 | __owur int ssl_security_cert_chain(SSL *s, STACK_OF(X509) *sk, X509 *ex, |
2708 | int vfy); | |
b362ccab | 2709 | |
f63a17d6 | 2710 | int tls_choose_sigalg(SSL *s, int fatalerrs); |
93a77f9e | 2711 | |
4bcdb4a6 | 2712 | __owur EVP_MD_CTX *ssl_replace_hash(EVP_MD_CTX **hash, const EVP_MD *md); |
b948e2c5 | 2713 | void ssl_clear_hash_ctx(EVP_MD_CTX **hash); |
4bcdb4a6 | 2714 | __owur long ssl_get_algorithm2(SSL *s); |
ae2f7b37 | 2715 | __owur int tls12_copy_sigalgs(SSL *s, WPACKET *pkt, |
98c792d1 | 2716 | const uint16_t *psig, size_t psiglen); |
9e84a42d | 2717 | __owur int tls1_save_u16(PACKET *pkt, uint16_t **pdest, size_t *pdestlen); |
c589c34e | 2718 | __owur int tls1_save_sigalgs(SSL *s, PACKET *pkt, int cert); |
4bcdb4a6 | 2719 | __owur int tls1_process_sigalgs(SSL *s); |
0972bc5c | 2720 | __owur int tls1_set_peer_legacy_sigalg(SSL *s, const EVP_PKEY *pkey); |
c8f6c28a MC |
2721 | __owur int tls1_lookup_md(SSL_CTX *ctx, const SIGALG_LOOKUP *lu, |
2722 | const EVP_MD **pmd); | |
98c792d1 | 2723 | __owur size_t tls12_get_psigalgs(SSL *s, int sent, const uint16_t **psigs); |
de4dc598 | 2724 | __owur int tls_check_sigalg_curve(const SSL *s, int curve); |
f742cda8 | 2725 | __owur int tls12_check_peer_sigalg(SSL *s, uint16_t, EVP_PKEY *pkey); |
1d0c08b4 | 2726 | __owur int ssl_set_client_disabled(SSL *s); |
b0031e5d | 2727 | __owur int ssl_cipher_disabled(const SSL *s, const SSL_CIPHER *c, int op, int echde); |
1c78c43b | 2728 | |
8c1a5343 MC |
2729 | __owur int ssl_handshake_hash(SSL *s, unsigned char *out, size_t outlen, |
2730 | size_t *hashlen); | |
c8f6c28a | 2731 | __owur const EVP_MD *ssl_md(SSL_CTX *ctx, int idx); |
28ba2541 DSH |
2732 | __owur const EVP_MD *ssl_handshake_md(SSL *s); |
2733 | __owur const EVP_MD *ssl_prf_md(SSL *s); | |
48fbcbac | 2734 | |
2faa1b48 CB |
2735 | /* |
2736 | * ssl_log_rsa_client_key_exchange logs |premaster| to the SSL_CTX associated | |
2737 | * with |ssl|, if logging is enabled. It returns one on success and zero on | |
2738 | * failure. The entry is identified by the first 8 bytes of | |
2739 | * |encrypted_premaster|. | |
2740 | */ | |
2741 | __owur int ssl_log_rsa_client_key_exchange(SSL *ssl, | |
2742 | const uint8_t *encrypted_premaster, | |
2743 | size_t encrypted_premaster_len, | |
2744 | const uint8_t *premaster, | |
2745 | size_t premaster_len); | |
2746 | ||
2c7bd692 CB |
2747 | /* |
2748 | * ssl_log_secret logs |secret| to the SSL_CTX associated with |ssl|, if | |
2749 | * logging is available. It returns one on success and zero on failure. It tags | |
2750 | * the entry with |label|. | |
2faa1b48 | 2751 | */ |
2c7bd692 CB |
2752 | __owur int ssl_log_secret(SSL *ssl, const char *label, |
2753 | const uint8_t *secret, size_t secret_len); | |
2754 | ||
2755 | #define MASTER_SECRET_LABEL "CLIENT_RANDOM" | |
d49e23ec | 2756 | #define CLIENT_EARLY_LABEL "CLIENT_EARLY_TRAFFIC_SECRET" |
2c7bd692 CB |
2757 | #define CLIENT_HANDSHAKE_LABEL "CLIENT_HANDSHAKE_TRAFFIC_SECRET" |
2758 | #define SERVER_HANDSHAKE_LABEL "SERVER_HANDSHAKE_TRAFFIC_SECRET" | |
2759 | #define CLIENT_APPLICATION_LABEL "CLIENT_TRAFFIC_SECRET_0" | |
2760 | #define SERVER_APPLICATION_LABEL "SERVER_TRAFFIC_SECRET_0" | |
01a2a654 | 2761 | #define EARLY_EXPORTER_SECRET_LABEL "EARLY_EXPORTER_SECRET" |
6329ce8f | 2762 | #define EXPORTER_SECRET_LABEL "EXPORTER_SECRET" |
2faa1b48 | 2763 | |
c7b46b54 JB |
2764 | # ifndef OPENSSL_NO_KTLS |
2765 | /* ktls.c */ | |
2766 | int ktls_check_supported_cipher(const SSL *s, const EVP_CIPHER *c, | |
2767 | const EVP_CIPHER_CTX *dd); | |
85773128 | 2768 | int ktls_configure_crypto(SSL *s, const EVP_CIPHER *c, EVP_CIPHER_CTX *dd, |
c7b46b54 | 2769 | void *rl_sequence, ktls_crypto_info_t *crypto_info, |
85773128 | 2770 | int is_tx, unsigned char *iv, |
c7b46b54 JB |
2771 | unsigned char *key, unsigned char *mac_key, |
2772 | size_t mac_secret_size); | |
2773 | # endif | |
2774 | ||
2acc020b | 2775 | /* s3_cbc.c */ |
4bcdb4a6 | 2776 | __owur char ssl3_cbc_record_digest_supported(const EVP_MD_CTX *ctx); |
3fddbb26 | 2777 | __owur int ssl3_cbc_digest_record(const EVP_MD *md, |
5f3d93e4 MC |
2778 | unsigned char *md_out, |
2779 | size_t *md_out_size, | |
4612eec3 | 2780 | const unsigned char *header, |
5f3d93e4 | 2781 | const unsigned char *data, |
e08f86dd | 2782 | size_t data_size, |
5f3d93e4 MC |
2783 | size_t data_plus_mac_plus_padding_size, |
2784 | const unsigned char *mac_secret, | |
d0e7c31d | 2785 | size_t mac_secret_length, char is_sslv3); |
0f113f3e | 2786 | |
57b272b0 DSH |
2787 | __owur int srp_generate_server_master_secret(SSL *s); |
2788 | __owur int srp_generate_client_master_secret(SSL *s); | |
a2c2e000 | 2789 | __owur int srp_verify_server_param(SSL *s); |
0989790b | 2790 | |
9d75dce3 TS |
2791 | /* statem/statem_srvr.c */ |
2792 | ||
2793 | __owur int send_certificate_request(SSL *s); | |
2794 | ||
43ae5eed MC |
2795 | /* statem/extensions_cust.c */ |
2796 | ||
787d9ec7 MC |
2797 | custom_ext_method *custom_ext_find(const custom_ext_methods *exts, |
2798 | ENDPOINT role, unsigned int ext_type, | |
2799 | size_t *idx); | |
ecf4d660 | 2800 | |
28ea0a0c DSH |
2801 | void custom_ext_init(custom_ext_methods *meths); |
2802 | ||
43ae5eed | 2803 | __owur int custom_ext_parse(SSL *s, unsigned int context, unsigned int ext_type, |
a230b26e | 2804 | const unsigned char *ext_data, size_t ext_size, |
f63a17d6 | 2805 | X509 *x, size_t chainidx); |
43ae5eed | 2806 | __owur int custom_ext_add(SSL *s, int context, WPACKET *pkt, X509 *x, |
f63a17d6 | 2807 | size_t chainidx, int maxversion); |
a230b26e EK |
2808 | |
2809 | __owur int custom_exts_copy(custom_ext_methods *dst, | |
2810 | const custom_ext_methods *src); | |
21181889 MC |
2811 | __owur int custom_exts_copy_flags(custom_ext_methods *dst, |
2812 | const custom_ext_methods *src); | |
ecf4d660 DSH |
2813 | void custom_exts_free(custom_ext_methods *exts); |
2814 | ||
b3599dbb | 2815 | void ssl_comp_free_compression_methods_int(void); |
03b0e735 | 2816 | |
8a5ed9dc TM |
2817 | /* ssl_mcnf.c */ |
2818 | void ssl_ctx_system_config(SSL_CTX *ctx); | |
2819 | ||
b4250010 | 2820 | const EVP_CIPHER *ssl_evp_cipher_fetch(OSSL_LIB_CTX *libctx, |
c8f6c28a MC |
2821 | int nid, |
2822 | const char *properties); | |
2823 | int ssl_evp_cipher_up_ref(const EVP_CIPHER *cipher); | |
2824 | void ssl_evp_cipher_free(const EVP_CIPHER *cipher); | |
b4250010 | 2825 | const EVP_MD *ssl_evp_md_fetch(OSSL_LIB_CTX *libctx, |
c8f6c28a MC |
2826 | int nid, |
2827 | const char *properties); | |
2828 | int ssl_evp_md_up_ref(const EVP_MD *md); | |
2829 | void ssl_evp_md_free(const EVP_MD *md); | |
2830 | ||
b5588178 MC |
2831 | int tls_provider_set_tls_params(SSL *s, EVP_CIPHER_CTX *ctx, |
2832 | const EVP_CIPHER *ciph, | |
2833 | const EVP_MD *md); | |
c8f6c28a | 2834 | |
301fcb28 MC |
2835 | void tls_engine_finish(ENGINE *e); |
2836 | const EVP_CIPHER *tls_get_cipher_from_engine(int nid); | |
2837 | const EVP_MD *tls_get_digest_from_engine(int nid); | |
2838 | int tls_engine_load_ssl_client_cert(SSL *s, X509 **px509, EVP_PKEY **ppkey); | |
2839 | int ssl_hmac_old_new(SSL_HMAC *ret); | |
2840 | void ssl_hmac_old_free(SSL_HMAC *ctx); | |
2841 | int ssl_hmac_old_init(SSL_HMAC *ctx, void *key, size_t len, char *md); | |
2842 | int ssl_hmac_old_update(SSL_HMAC *ctx, const unsigned char *data, size_t len); | |
2843 | int ssl_hmac_old_final(SSL_HMAC *ctx, unsigned char *md, size_t *len); | |
2844 | size_t ssl_hmac_old_size(const SSL_HMAC *ctx); | |
2845 | ||
76cb077f MC |
2846 | int ssl_ctx_srp_ctx_free_intern(SSL_CTX *ctx); |
2847 | int ssl_ctx_srp_ctx_init_intern(SSL_CTX *ctx); | |
2848 | int ssl_srp_ctx_free_intern(SSL *s); | |
2849 | int ssl_srp_ctx_init_intern(SSL *s); | |
2850 | ||
2851 | int ssl_srp_calc_a_param_intern(SSL *s); | |
2852 | int ssl_srp_server_param_with_username_intern(SSL *s, int *ad); | |
2853 | ||
25959e04 TS |
2854 | void ssl_session_calculate_timeout(SSL_SESSION* ss); |
2855 | ||
4ee7d3f9 | 2856 | # else /* OPENSSL_UNIT_TEST */ |
e0fc7961 | 2857 | |
0f113f3e MC |
2858 | # define ssl_init_wbio_buffer SSL_test_functions()->p_ssl_init_wbio_buffer |
2859 | # define ssl3_setup_buffers SSL_test_functions()->p_ssl3_setup_buffers | |
c4e6fb15 | 2860 | |
0f113f3e | 2861 | # endif |
acce0557 P |
2862 | |
2863 | /* Some helper routines to support TSAN operations safely */ | |
2864 | static ossl_unused ossl_inline int ssl_tsan_lock(const SSL_CTX *ctx) | |
2865 | { | |
2866 | #ifdef TSAN_REQUIRES_LOCKING | |
2867 | if (!CRYPTO_THREAD_write_lock(ctx->tsan_lock)) | |
2868 | return 0; | |
2869 | #endif | |
2870 | return 1; | |
2871 | } | |
2872 | ||
2873 | static ossl_unused ossl_inline void ssl_tsan_unlock(const SSL_CTX *ctx) | |
2874 | { | |
2875 | #ifdef TSAN_REQUIRES_LOCKING | |
2876 | CRYPTO_THREAD_unlock(ctx->tsan_lock); | |
2877 | #endif | |
2878 | } | |
2879 | ||
2880 | static ossl_unused ossl_inline void ssl_tsan_counter(const SSL_CTX *ctx, | |
2881 | TSAN_QUALIFIER int *stat) | |
2882 | { | |
2883 | if (ssl_tsan_lock(ctx)) { | |
2884 | tsan_counter(stat); | |
2885 | ssl_tsan_unlock(ctx); | |
2886 | } | |
2887 | } | |
2888 | ||
e0fc7961 | 2889 | #endif |