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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 P |
14 | |
15 | # include "e_os.h" /* struct timeval for DTLS */ | |
0f113f3e MC |
16 | # include <stdlib.h> |
17 | # include <time.h> | |
18 | # include <string.h> | |
19 | # include <errno.h> | |
d02b48c6 | 20 | |
0f113f3e | 21 | # include <openssl/buffer.h> |
3c27208f | 22 | # include <openssl/comp.h> |
0f113f3e | 23 | # include <openssl/bio.h> |
3c27208f | 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; |
b6ba4014 MC |
596 | long timeout; |
597 | long time; | |
598 | unsigned int compress_meth; /* Need to lookup the method */ | |
599 | const SSL_CIPHER *cipher; | |
a230b26e EK |
600 | unsigned long cipher_id; /* when ASN.1 loaded, this needs to be used to |
601 | * load the 'cipher' structure */ | |
aa6bd216 | 602 | unsigned int kex_group; /* TLS group from key exchange */ |
b6ba4014 MC |
603 | CRYPTO_EX_DATA ex_data; /* application specific data */ |
604 | /* | |
605 | * These are used to make removal of session-ids more efficient and to | |
606 | * implement a maximum cache size. | |
607 | */ | |
608 | struct ssl_session_st *prev, *next; | |
aff8c126 RS |
609 | |
610 | struct { | |
611 | char *hostname; | |
45436e61 | 612 | /* RFC4507 info */ |
aff8c126 RS |
613 | unsigned char *tick; /* Session ticket */ |
614 | size_t ticklen; /* Session ticket length */ | |
615 | /* Session lifetime hint in seconds */ | |
616 | unsigned long tick_lifetime_hint; | |
fc24f0bf | 617 | uint32_t tick_age_add; |
5d5b3fba MC |
618 | /* Max number of bytes that can be sent as early data */ |
619 | uint32_t max_early_data; | |
f6370040 MC |
620 | /* The ALPN protocol selected for this session */ |
621 | unsigned char *alpn_selected; | |
622 | size_t alpn_selected_len; | |
cf72c757 F |
623 | /* |
624 | * Maximum Fragment Length as per RFC 4366. | |
625 | * If this value does not contain RFC 4366 allowed values (1-4) then | |
626 | * either the Maximum Fragment Length Negotiation failed or was not | |
627 | * performed at all. | |
628 | */ | |
629 | uint8_t max_fragment_len_mode; | |
aff8c126 | 630 | } ext; |
b6ba4014 MC |
631 | # ifndef OPENSSL_NO_SRP |
632 | char *srp_username; | |
633 | # endif | |
df0fed9a TS |
634 | unsigned char *ticket_appdata; |
635 | size_t ticket_appdata_len; | |
f7d53487 | 636 | uint32_t flags; |
16203f7b | 637 | CRYPTO_RWLOCK *lock; |
b6ba4014 MC |
638 | }; |
639 | ||
6f152a15 | 640 | /* Extended master secret support */ |
a230b26e | 641 | # define SSL_SESS_FLAG_EXTMS 0x1 |
b6ba4014 MC |
642 | |
643 | # ifndef OPENSSL_NO_SRP | |
644 | ||
645 | typedef struct srp_ctx_st { | |
646 | /* param for all the callbacks */ | |
647 | void *SRP_cb_arg; | |
648 | /* set client Hello login callback */ | |
649 | int (*TLS_ext_srp_username_callback) (SSL *, int *, void *); | |
650 | /* set SRP N/g param callback for verification */ | |
651 | int (*SRP_verify_param_callback) (SSL *, void *); | |
652 | /* set SRP client passwd callback */ | |
653 | char *(*SRP_give_srp_client_pwd_callback) (SSL *, void *); | |
654 | char *login; | |
655 | BIGNUM *N, *g, *s, *B, *A; | |
656 | BIGNUM *a, *b, *v; | |
657 | char *info; | |
658 | int strength; | |
659 | unsigned long srp_Mask; | |
660 | } SRP_CTX; | |
661 | ||
662 | # endif | |
663 | ||
49e7fe12 MC |
664 | typedef enum { |
665 | SSL_EARLY_DATA_NONE = 0, | |
666 | SSL_EARLY_DATA_CONNECT_RETRY, | |
667 | SSL_EARLY_DATA_CONNECTING, | |
668 | SSL_EARLY_DATA_WRITE_RETRY, | |
669 | SSL_EARLY_DATA_WRITING, | |
2a8db717 | 670 | SSL_EARLY_DATA_WRITE_FLUSH, |
09f28874 | 671 | SSL_EARLY_DATA_UNAUTH_WRITING, |
d781d247 MC |
672 | SSL_EARLY_DATA_FINISHED_WRITING, |
673 | SSL_EARLY_DATA_ACCEPT_RETRY, | |
674 | SSL_EARLY_DATA_ACCEPTING, | |
675 | SSL_EARLY_DATA_READ_RETRY, | |
676 | SSL_EARLY_DATA_READING, | |
677 | SSL_EARLY_DATA_FINISHED_READING | |
49e7fe12 MC |
678 | } SSL_EARLY_DATA_STATE; |
679 | ||
70ef40a0 MC |
680 | /* |
681 | * We check that the amount of unreadable early data doesn't exceed | |
682 | * max_early_data. max_early_data is given in plaintext bytes. However if it is | |
683 | * unreadable then we only know the number of ciphertext bytes. We also don't | |
684 | * know how much the overhead should be because it depends on the ciphersuite. | |
685 | * We make a small allowance. We assume 5 records of actual data plus the end | |
686 | * of early data alert record. Each record has a tag and a content type byte. | |
687 | * The longest tag length we know of is EVP_GCM_TLS_TAG_LEN. We don't count the | |
688 | * content of the alert record either which is 2 bytes. | |
689 | */ | |
690 | # define EARLY_DATA_CIPHERTEXT_OVERHEAD ((6 * (EVP_GCM_TLS_TAG_LEN + 1)) + 2) | |
691 | ||
2c604cb9 MC |
692 | /* |
693 | * The allowance we have between the client's calculated ticket age and our own. | |
694 | * We allow for 10 seconds (units are in ms). If a ticket is presented and the | |
695 | * client's age calculation is different by more than this than our own then we | |
696 | * do not allow that ticket for early_data. | |
697 | */ | |
698 | # define TICKET_AGE_ALLOWANCE (10 * 1000) | |
699 | ||
cb7a1f5f BK |
700 | #define MAX_COMPRESSIONS_SIZE 255 |
701 | ||
b6ba4014 MC |
702 | struct ssl_comp_st { |
703 | int id; | |
704 | const char *name; | |
b6ba4014 | 705 | COMP_METHOD *method; |
b6ba4014 MC |
706 | }; |
707 | ||
cb7a1f5f BK |
708 | typedef struct raw_extension_st { |
709 | /* Raw packet data for the extension */ | |
710 | PACKET data; | |
711 | /* Set to 1 if the extension is present or 0 otherwise */ | |
712 | int present; | |
713 | /* Set to 1 if we have already parsed the extension or 0 otherwise */ | |
714 | int parsed; | |
715 | /* The type of this extension, i.e. a TLSEXT_TYPE_* value */ | |
716 | unsigned int type; | |
193b5d76 BK |
717 | /* Track what order extensions are received in (0-based). */ |
718 | size_t received_order; | |
cb7a1f5f BK |
719 | } RAW_EXTENSION; |
720 | ||
721 | typedef struct { | |
722 | unsigned int isv2; | |
723 | unsigned int legacy_version; | |
724 | unsigned char random[SSL3_RANDOM_SIZE]; | |
725 | size_t session_id_len; | |
726 | unsigned char session_id[SSL_MAX_SSL_SESSION_ID_LENGTH]; | |
727 | size_t dtls_cookie_len; | |
728 | unsigned char dtls_cookie[DTLS1_COOKIE_LENGTH]; | |
729 | PACKET ciphersuites; | |
730 | size_t compressions_len; | |
731 | unsigned char compressions[MAX_COMPRESSIONS_SIZE]; | |
732 | PACKET extensions; | |
733 | size_t pre_proc_exts_len; | |
734 | RAW_EXTENSION *pre_proc_exts; | |
735 | } CLIENTHELLO_MSG; | |
736 | ||
b186a592 MC |
737 | /* |
738 | * Extension index values NOTE: Any updates to these defines should be mirrored | |
739 | * with equivalent updates to ext_defs in extensions.c | |
740 | */ | |
741 | typedef enum tlsext_index_en { | |
742 | TLSEXT_IDX_renegotiate, | |
743 | TLSEXT_IDX_server_name, | |
cf72c757 | 744 | TLSEXT_IDX_max_fragment_length, |
b186a592 MC |
745 | TLSEXT_IDX_srp, |
746 | TLSEXT_IDX_ec_point_formats, | |
747 | TLSEXT_IDX_supported_groups, | |
748 | TLSEXT_IDX_session_ticket, | |
b186a592 MC |
749 | TLSEXT_IDX_status_request, |
750 | TLSEXT_IDX_next_proto_neg, | |
751 | TLSEXT_IDX_application_layer_protocol_negotiation, | |
752 | TLSEXT_IDX_use_srtp, | |
753 | TLSEXT_IDX_encrypt_then_mac, | |
754 | TLSEXT_IDX_signed_certificate_timestamp, | |
755 | TLSEXT_IDX_extended_master_secret, | |
c589c34e | 756 | TLSEXT_IDX_signature_algorithms_cert, |
9d75dce3 | 757 | TLSEXT_IDX_post_handshake_auth, |
10ed1b72 | 758 | TLSEXT_IDX_signature_algorithms, |
b186a592 MC |
759 | TLSEXT_IDX_supported_versions, |
760 | TLSEXT_IDX_psk_kex_modes, | |
761 | TLSEXT_IDX_key_share, | |
762 | TLSEXT_IDX_cookie, | |
763 | TLSEXT_IDX_cryptopro_bug, | |
764 | TLSEXT_IDX_early_data, | |
765 | TLSEXT_IDX_certificate_authorities, | |
766 | TLSEXT_IDX_padding, | |
767 | TLSEXT_IDX_psk, | |
768 | /* Dummy index - must always be the last entry */ | |
769 | TLSEXT_IDX_num_builtins | |
770 | } TLSEXT_INDEX; | |
771 | ||
89d6aa10 | 772 | DEFINE_LHASH_OF(SSL_SESSION); |
ce023e77 VD |
773 | /* Needed in ssl_cert.c */ |
774 | DEFINE_LHASH_OF(X509_NAME); | |
f8e0a557 | 775 | |
4bfb96f2 TS |
776 | # define TLSEXT_KEYNAME_LENGTH 16 |
777 | # define TLSEXT_TICK_KEY_LENGTH 32 | |
778 | ||
779 | typedef struct ssl_ctx_ext_secure_st { | |
780 | unsigned char tick_hmac_key[TLSEXT_TICK_KEY_LENGTH]; | |
781 | unsigned char tick_aes_key[TLSEXT_TICK_KEY_LENGTH]; | |
782 | } SSL_CTX_EXT_SECURE; | |
d139723b | 783 | |
a76ce286 P |
784 | /* |
785 | * Helper function for HMAC | |
786 | * The structure should be considered opaque, it will change once the low | |
787 | * level deprecated calls are removed. At that point it can be replaced | |
788 | * by EVP_MAC_CTX and most of the functions converted to macros or inlined | |
789 | * directly. | |
790 | */ | |
791 | typedef struct ssl_hmac_st { | |
792 | EVP_MAC_CTX *ctx; | |
793 | # ifndef OPENSSL_NO_DEPRECATED_3_0 | |
794 | HMAC_CTX *old_ctx; | |
795 | # endif | |
796 | } SSL_HMAC; | |
797 | ||
798 | SSL_HMAC *ssl_hmac_new(const SSL_CTX *ctx); | |
799 | void ssl_hmac_free(SSL_HMAC *ctx); | |
800 | # ifndef OPENSSL_NO_DEPRECATED_3_0 | |
801 | HMAC_CTX *ssl_hmac_get0_HMAC_CTX(SSL_HMAC *ctx); | |
802 | # endif | |
803 | EVP_MAC_CTX *ssl_hmac_get0_EVP_MAC_CTX(SSL_HMAC *ctx); | |
804 | int ssl_hmac_init(SSL_HMAC *ctx, void *key, size_t len, char *md); | |
805 | int ssl_hmac_update(SSL_HMAC *ctx, const unsigned char *data, size_t len); | |
806 | int ssl_hmac_final(SSL_HMAC *ctx, unsigned char *md, size_t *len, | |
807 | size_t max_size); | |
808 | size_t ssl_hmac_size(const SSL_HMAC *ctx); | |
809 | ||
d8975dec RL |
810 | int ssl_get_EC_curve_nid(const EVP_PKEY *pkey); |
811 | ||
9d2d857f MC |
812 | typedef struct tls_group_info_st { |
813 | char *tlsname; /* Curve Name as in TLS specs */ | |
814 | char *realname; /* Curve Name according to provider */ | |
815 | char *algorithm; /* Algorithm name to fetch */ | |
816 | unsigned int secbits; /* Bits of security (from SP800-57) */ | |
817 | uint16_t group_id; /* Group ID */ | |
818 | int mintls; /* Minimum TLS version, -1 unsupported */ | |
819 | int maxtls; /* Maximum TLS version (or 0 for undefined) */ | |
820 | int mindtls; /* Minimum DTLS version, -1 unsupported */ | |
821 | int maxdtls; /* Maximum DTLS version (or 0 for undefined) */ | |
c1a74f59 | 822 | char is_kem; /* Mode for this Group: 0 is KEX, 1 is KEM */ |
9d2d857f MC |
823 | } TLS_GROUP_INFO; |
824 | ||
825 | /* flags values */ | |
826 | # define TLS_GROUP_TYPE 0x0000000FU /* Mask for group type */ | |
827 | # define TLS_GROUP_CURVE_PRIME 0x00000001U | |
828 | # define TLS_GROUP_CURVE_CHAR2 0x00000002U | |
829 | # define TLS_GROUP_CURVE_CUSTOM 0x00000004U | |
830 | # define TLS_GROUP_FFDHE 0x00000008U | |
831 | # define TLS_GROUP_ONLY_FOR_TLS1_3 0x00000010U | |
832 | ||
833 | # define TLS_GROUP_FFDHE_FOR_TLS1_3 (TLS_GROUP_FFDHE|TLS_GROUP_ONLY_FOR_TLS1_3) | |
834 | ||
b6ba4014 | 835 | struct ssl_ctx_st { |
b4250010 | 836 | OSSL_LIB_CTX *libctx; |
ba18627e | 837 | |
b6ba4014 MC |
838 | const SSL_METHOD *method; |
839 | STACK_OF(SSL_CIPHER) *cipher_list; | |
840 | /* same as above but sorted for lookup */ | |
841 | STACK_OF(SSL_CIPHER) *cipher_list_by_id; | |
f865b081 MC |
842 | /* TLSv1.3 specific ciphersuites */ |
843 | STACK_OF(SSL_CIPHER) *tls13_ciphersuites; | |
b6ba4014 MC |
844 | struct x509_store_st /* X509_STORE */ *cert_store; |
845 | LHASH_OF(SSL_SESSION) *sessions; | |
846 | /* | |
847 | * Most session-ids that will be cached, default is | |
848 | * SSL_SESSION_CACHE_MAX_SIZE_DEFAULT. 0 is unlimited. | |
849 | */ | |
cb150cbc | 850 | size_t session_cache_size; |
b6ba4014 MC |
851 | struct ssl_session_st *session_cache_head; |
852 | struct ssl_session_st *session_cache_tail; | |
853 | /* | |
854 | * This can have one of 2 values, ored together, SSL_SESS_CACHE_CLIENT, | |
855 | * SSL_SESS_CACHE_SERVER, Default is SSL_SESSION_CACHE_SERVER, which | |
6aff543b | 856 | * means only SSL_accept will cache SSL_SESSIONS. |
b6ba4014 | 857 | */ |
f7d53487 | 858 | uint32_t session_cache_mode; |
b6ba4014 MC |
859 | /* |
860 | * If timeout is not 0, it is the default timeout value set when | |
861 | * SSL_new() is called. This has been put in to make life easier to set | |
862 | * things up | |
863 | */ | |
864 | long session_timeout; | |
865 | /* | |
866 | * If this callback is not null, it will be called each time a session id | |
867 | * is added to the cache. If this function returns 1, it means that the | |
868 | * callback will do a SSL_SESSION_free() when it has finished using it. | |
869 | * Otherwise, on 0, it means the callback has finished with it. If | |
870 | * remove_session_cb is not null, it will be called when a session-id is | |
871 | * removed from the cache. After the call, OpenSSL will | |
872 | * SSL_SESSION_free() it. | |
873 | */ | |
874 | int (*new_session_cb) (struct ssl_st *ssl, SSL_SESSION *sess); | |
875 | void (*remove_session_cb) (struct ssl_ctx_st *ctx, SSL_SESSION *sess); | |
876 | SSL_SESSION *(*get_session_cb) (struct ssl_st *ssl, | |
b6981744 EK |
877 | const unsigned char *data, int len, |
878 | int *copy); | |
b6ba4014 | 879 | struct { |
9ef9088c AP |
880 | TSAN_QUALIFIER int sess_connect; /* SSL new conn - started */ |
881 | TSAN_QUALIFIER int sess_connect_renegotiate; /* SSL reneg - requested */ | |
882 | TSAN_QUALIFIER int sess_connect_good; /* SSL new conne/reneg - finished */ | |
883 | TSAN_QUALIFIER int sess_accept; /* SSL new accept - started */ | |
884 | TSAN_QUALIFIER int sess_accept_renegotiate; /* SSL reneg - requested */ | |
885 | TSAN_QUALIFIER int sess_accept_good; /* SSL accept/reneg - finished */ | |
886 | TSAN_QUALIFIER int sess_miss; /* session lookup misses */ | |
887 | TSAN_QUALIFIER int sess_timeout; /* reuse attempt on timeouted session */ | |
888 | TSAN_QUALIFIER int sess_cache_full; /* session removed due to full cache */ | |
889 | TSAN_QUALIFIER int sess_hit; /* session reuse actually done */ | |
890 | TSAN_QUALIFIER int sess_cb_hit; /* session-id that was not in | |
891 | * the cache was passed back via | |
892 | * the callback. This indicates | |
893 | * that the application is | |
894 | * supplying session-id's from | |
895 | * other processes - spooky | |
896 | * :-) */ | |
b6ba4014 MC |
897 | } stats; |
898 | ||
2f545ae4 | 899 | CRYPTO_REF_COUNT references; |
b6ba4014 MC |
900 | |
901 | /* if defined, these override the X509_verify_cert() calls */ | |
902 | int (*app_verify_callback) (X509_STORE_CTX *, void *); | |
903 | void *app_verify_arg; | |
904 | /* | |
905 | * before OpenSSL 0.9.7, 'app_verify_arg' was ignored | |
906 | * ('app_verify_callback' was called with just one argument) | |
907 | */ | |
908 | ||
909 | /* Default password callback. */ | |
910 | pem_password_cb *default_passwd_callback; | |
911 | ||
912 | /* Default password callback user data. */ | |
913 | void *default_passwd_callback_userdata; | |
914 | ||
915 | /* get client cert callback */ | |
916 | int (*client_cert_cb) (SSL *ssl, X509 **x509, EVP_PKEY **pkey); | |
917 | ||
918 | /* cookie generate callback */ | |
919 | int (*app_gen_cookie_cb) (SSL *ssl, unsigned char *cookie, | |
920 | unsigned int *cookie_len); | |
921 | ||
922 | /* verify cookie callback */ | |
31011544 | 923 | int (*app_verify_cookie_cb) (SSL *ssl, const unsigned char *cookie, |
b6ba4014 MC |
924 | unsigned int cookie_len); |
925 | ||
3fa2812f BS |
926 | /* TLS1.3 app-controlled cookie generate callback */ |
927 | int (*gen_stateless_cookie_cb) (SSL *ssl, unsigned char *cookie, | |
928 | size_t *cookie_len); | |
929 | ||
930 | /* TLS1.3 verify app-controlled cookie callback */ | |
931 | int (*verify_stateless_cookie_cb) (SSL *ssl, const unsigned char *cookie, | |
932 | size_t cookie_len); | |
933 | ||
b6ba4014 MC |
934 | CRYPTO_EX_DATA ex_data; |
935 | ||
936 | const EVP_MD *md5; /* For SSLv3/TLSv1 'ssl3-md5' */ | |
c8f6c28a | 937 | const EVP_MD *sha1; /* For SSLv3/TLSv1 'ssl3-sha1' */ |
b6ba4014 MC |
938 | |
939 | STACK_OF(X509) *extra_certs; | |
940 | STACK_OF(SSL_COMP) *comp_methods; /* stack of SSL_COMP, SSLv3/TLSv1 */ | |
941 | ||
942 | /* Default values used when no per-SSL value is defined follow */ | |
943 | ||
944 | /* used if SSL's info_callback is NULL */ | |
945 | void (*info_callback) (const SSL *ssl, int type, int val); | |
946 | ||
fa7c2637 DSH |
947 | /* |
948 | * What we put in certificate_authorities extension for TLS 1.3 | |
949 | * (ClientHello and CertificateRequest) or just client cert requests for | |
98732979 MC |
950 | * earlier versions. If client_ca_names is populated then it is only used |
951 | * for client cert requests, and in preference to ca_names. | |
fa7c2637 DSH |
952 | */ |
953 | STACK_OF(X509_NAME) *ca_names; | |
98732979 | 954 | STACK_OF(X509_NAME) *client_ca_names; |
b6ba4014 MC |
955 | |
956 | /* | |
957 | * Default values to use in SSL structures follow (these are copied by | |
958 | * SSL_new) | |
959 | */ | |
960 | ||
56bd1783 | 961 | uint64_t options; |
f7d53487 | 962 | uint32_t mode; |
7946ab33 KR |
963 | int min_proto_version; |
964 | int max_proto_version; | |
12472b45 | 965 | size_t max_cert_list; |
b6ba4014 MC |
966 | |
967 | struct cert_st /* CERT */ *cert; | |
968 | int read_ahead; | |
969 | ||
970 | /* callback that allows applications to peek at protocol messages */ | |
971 | void (*msg_callback) (int write_p, int version, int content_type, | |
972 | const void *buf, size_t len, SSL *ssl, void *arg); | |
973 | void *msg_callback_arg; | |
974 | ||
f7d53487 | 975 | uint32_t verify_mode; |
ec60ccc1 | 976 | size_t sid_ctx_length; |
b6ba4014 MC |
977 | unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH]; |
978 | /* called 'verify_callback' in the SSL */ | |
979 | int (*default_verify_callback) (int ok, X509_STORE_CTX *ctx); | |
980 | ||
981 | /* Default generate session ID callback. */ | |
982 | GEN_SESSION_CB generate_session_id; | |
983 | ||
984 | X509_VERIFY_PARAM *param; | |
985 | ||
986 | int quiet_shutdown; | |
987 | ||
a230b26e EK |
988 | # ifndef OPENSSL_NO_CT |
989 | CTLOG_STORE *ctlog_store; /* CT Log Store */ | |
ed29e82a | 990 | /* |
a230b26e EK |
991 | * Validates that the SCTs (Signed Certificate Timestamps) are sufficient. |
992 | * If they are not, the connection should be aborted. | |
993 | */ | |
43341433 | 994 | ssl_ct_validation_cb ct_validation_callback; |
ed29e82a | 995 | void *ct_validation_callback_arg; |
a230b26e | 996 | # endif |
ed29e82a | 997 | |
d102d9df MC |
998 | /* |
999 | * If we're using more than one pipeline how should we divide the data | |
1000 | * up between the pipes? | |
1001 | */ | |
7ee8627f | 1002 | size_t split_send_fragment; |
b6ba4014 MC |
1003 | /* |
1004 | * Maximum amount of data to send in one fragment. actual record size can | |
1005 | * be more than this due to padding and MAC overheads. | |
1006 | */ | |
7ee8627f | 1007 | size_t max_send_fragment; |
b6ba4014 | 1008 | |
d102d9df | 1009 | /* Up to how many pipelines should we use? If 0 then 1 is assumed */ |
7ee8627f | 1010 | size_t max_pipelines; |
d102d9df | 1011 | |
dad78fb1 MC |
1012 | /* The default read buffer length to use (0 means not set) */ |
1013 | size_t default_read_buf_len; | |
1014 | ||
a230b26e | 1015 | # ifndef OPENSSL_NO_ENGINE |
b6ba4014 MC |
1016 | /* |
1017 | * Engine to pass requests for client certs to | |
1018 | */ | |
1019 | ENGINE *client_cert_engine; | |
a230b26e | 1020 | # endif |
b6ba4014 | 1021 | |
a9c0d8be DB |
1022 | /* ClientHello callback. Mostly for extensions, but not entirely. */ |
1023 | SSL_client_hello_cb_fn client_hello_cb; | |
1024 | void *client_hello_cb_arg; | |
6b1bb98f | 1025 | |
aff8c126 RS |
1026 | /* TLS extensions. */ |
1027 | struct { | |
1028 | /* TLS extensions servername callback */ | |
1029 | int (*servername_cb) (SSL *, int *, void *); | |
1030 | void *servername_arg; | |
1031 | /* RFC 4507 session ticket keys */ | |
1032 | unsigned char tick_key_name[TLSEXT_KEYNAME_LENGTH]; | |
4bfb96f2 | 1033 | SSL_CTX_EXT_SECURE *secure; |
a76ce286 | 1034 | # ifndef OPENSSL_NO_DEPRECATED_3_0 |
aff8c126 RS |
1035 | /* Callback to support customisation of ticket key setting */ |
1036 | int (*ticket_key_cb) (SSL *ssl, | |
1037 | unsigned char *name, unsigned char *iv, | |
1038 | EVP_CIPHER_CTX *ectx, HMAC_CTX *hctx, int enc); | |
a76ce286 P |
1039 | #endif |
1040 | int (*ticket_key_evp_cb) (SSL *ssl, | |
1041 | unsigned char *name, unsigned char *iv, | |
1042 | EVP_CIPHER_CTX *ectx, EVP_MAC_CTX *hctx, | |
1043 | int enc); | |
aff8c126 RS |
1044 | |
1045 | /* certificate status request info */ | |
1046 | /* Callback for status request */ | |
1047 | int (*status_cb) (SSL *ssl, void *arg); | |
1048 | void *status_arg; | |
1049 | /* ext status type used for CSR extension (OCSP Stapling) */ | |
1050 | int status_type; | |
cf72c757 F |
1051 | /* RFC 4366 Maximum Fragment Length Negotiation */ |
1052 | uint8_t max_fragment_len_mode; | |
b6ba4014 | 1053 | |
aff8c126 RS |
1054 | /* EC extension values inherited by SSL structure */ |
1055 | size_t ecpointformats_len; | |
1056 | unsigned char *ecpointformats; | |
dbc6268f | 1057 | |
aff8c126 | 1058 | size_t supportedgroups_len; |
9e84a42d | 1059 | uint16_t *supportedgroups; |
b6ba4014 | 1060 | |
ddf8f1ce MC |
1061 | uint16_t *supported_groups_default; |
1062 | size_t supported_groups_default_len; | |
aff8c126 RS |
1063 | /* |
1064 | * ALPN information (we are in the process of transitioning from NPN to | |
1065 | * ALPN.) | |
1066 | */ | |
b6ba4014 MC |
1067 | |
1068 | /*- | |
1069 | * For a server, this contains a callback function that allows the | |
1070 | * server to select the protocol for the connection. | |
1071 | * out: on successful return, this must point to the raw protocol | |
1072 | * name (without the length prefix). | |
1073 | * outlen: on successful return, this contains the length of |*out|. | |
1074 | * in: points to the client's list of supported protocols in | |
1075 | * wire-format. | |
1076 | * inlen: the length of |in|. | |
1077 | */ | |
aff8c126 RS |
1078 | int (*alpn_select_cb) (SSL *s, |
1079 | const unsigned char **out, | |
1080 | unsigned char *outlen, | |
1081 | const unsigned char *in, | |
1082 | unsigned int inlen, void *arg); | |
1083 | void *alpn_select_cb_arg; | |
b6ba4014 | 1084 | |
aff8c126 RS |
1085 | /* |
1086 | * For a client, this contains the list of supported protocols in wire | |
1087 | * format. | |
1088 | */ | |
1089 | unsigned char *alpn; | |
1090 | size_t alpn_len; | |
1091 | ||
e3bc1305 | 1092 | # ifndef OPENSSL_NO_NEXTPROTONEG |
aff8c126 RS |
1093 | /* Next protocol negotiation information */ |
1094 | ||
1095 | /* | |
1096 | * For a server, this contains a callback function by which the set of | |
1097 | * advertised protocols can be provided. | |
1098 | */ | |
8cbfcc70 | 1099 | SSL_CTX_npn_advertised_cb_func npn_advertised_cb; |
aff8c126 RS |
1100 | void *npn_advertised_cb_arg; |
1101 | /* | |
1102 | * For a client, this contains a callback function that selects the next | |
1103 | * protocol from the list provided by the server. | |
1104 | */ | |
8cbfcc70 | 1105 | SSL_CTX_npn_select_cb_func npn_select_cb; |
aff8c126 RS |
1106 | void *npn_select_cb_arg; |
1107 | # endif | |
43054d3d MC |
1108 | |
1109 | unsigned char cookie_hmac_key[SHA256_DIGEST_LENGTH]; | |
aff8c126 RS |
1110 | } ext; |
1111 | ||
1112 | # ifndef OPENSSL_NO_PSK | |
8cbfcc70 RS |
1113 | SSL_psk_client_cb_func psk_client_callback; |
1114 | SSL_psk_server_cb_func psk_server_callback; | |
aff8c126 | 1115 | # endif |
3a7c56b2 | 1116 | SSL_psk_find_session_cb_func psk_find_session_cb; |
9368f865 | 1117 | SSL_psk_use_session_cb_func psk_use_session_cb; |
aff8c126 RS |
1118 | |
1119 | # ifndef OPENSSL_NO_SRP | |
1120 | SRP_CTX srp_ctx; /* ctx for SRP authentication */ | |
1121 | # endif | |
b6ba4014 | 1122 | |
919ba009 VD |
1123 | /* Shared DANE context */ |
1124 | struct dane_ctx_st dane; | |
1125 | ||
1fb6b0bf | 1126 | # ifndef OPENSSL_NO_SRTP |
b6ba4014 MC |
1127 | /* SRTP profiles we are willing to do from RFC 5764 */ |
1128 | STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles; | |
1fb6b0bf | 1129 | # endif |
b6ba4014 MC |
1130 | /* |
1131 | * Callback for disabling session caching and ticket support on a session | |
1132 | * basis, depending on the chosen cipher. | |
1133 | */ | |
1134 | int (*not_resumable_session_cb) (SSL *ssl, int is_forward_secure); | |
ba261f71 | 1135 | |
16203f7b | 1136 | CRYPTO_RWLOCK *lock; |
2faa1b48 CB |
1137 | |
1138 | /* | |
1139 | * Callback for logging key material for use with debugging tools like | |
1140 | * Wireshark. The callback should log `line` followed by a newline. | |
1141 | */ | |
1142 | SSL_CTX_keylog_cb_func keylog_callback; | |
3fc8d856 | 1143 | |
4e8548e8 MC |
1144 | /* |
1145 | * The maximum number of bytes advertised in session tickets that can be | |
1146 | * sent as early data. | |
1147 | */ | |
3fc8d856 | 1148 | uint32_t max_early_data; |
c649d10d | 1149 | |
4e8548e8 MC |
1150 | /* |
1151 | * The maximum number of bytes of early data that a server will tolerate | |
1152 | * (which should be at least as much as max_early_data). | |
1153 | */ | |
1154 | uint32_t recv_max_early_data; | |
1155 | ||
c649d10d TS |
1156 | /* TLS1.3 padding callback */ |
1157 | size_t (*record_padding_cb)(SSL *s, int type, size_t len, void *arg); | |
1158 | void *record_padding_arg; | |
1159 | size_t block_padding; | |
df0fed9a TS |
1160 | |
1161 | /* Session ticket appdata */ | |
1162 | SSL_CTX_generate_session_ticket_fn generate_ticket_cb; | |
1163 | SSL_CTX_decrypt_session_ticket_fn decrypt_ticket_cb; | |
1164 | void *ticket_cb_data; | |
9d0a8bb7 MC |
1165 | |
1166 | /* The number of TLS1.3 tickets to automatically send */ | |
1167 | size_t num_tickets; | |
c9598459 MC |
1168 | |
1169 | /* Callback to determine if early_data is acceptable or not */ | |
1170 | SSL_allow_early_data_cb_fn allow_early_data_cb; | |
1171 | void *allow_early_data_cb_data; | |
e97be718 MC |
1172 | |
1173 | /* Do we advertise Post-handshake auth support? */ | |
1174 | int pha_enabled; | |
9f5a87fd PY |
1175 | |
1176 | /* Callback for SSL async handling */ | |
1177 | SSL_async_callback_fn async_cb; | |
1178 | void *async_cb_arg; | |
ba18627e MC |
1179 | |
1180 | char *propq; | |
c8f6c28a | 1181 | |
53d85372 | 1182 | int ssl_mac_pkey_id[SSL_MD_NUM_IDX]; |
c8f6c28a MC |
1183 | const EVP_CIPHER *ssl_cipher_methods[SSL_ENC_NUM_IDX]; |
1184 | const EVP_MD *ssl_digest_methods[SSL_MD_NUM_IDX]; | |
1185 | size_t ssl_mac_secret_size[SSL_MD_NUM_IDX]; | |
263ff2c9 MC |
1186 | |
1187 | /* Cache of all sigalgs we know and whether they are available or not */ | |
1188 | struct sigalg_lookup_st *sigalg_lookup_cache; | |
9d2d857f MC |
1189 | |
1190 | TLS_GROUP_INFO *group_list; | |
1191 | size_t group_list_len; | |
1192 | size_t group_list_max_len; | |
a68eee67 MC |
1193 | |
1194 | /* masks of disabled algorithms */ | |
1195 | uint32_t disabled_enc_mask; | |
1196 | uint32_t disabled_mac_mask; | |
1197 | uint32_t disabled_mkey_mask; | |
1198 | uint32_t disabled_auth_mask; | |
b6ba4014 MC |
1199 | }; |
1200 | ||
555cbb32 TS |
1201 | typedef struct cert_pkey_st CERT_PKEY; |
1202 | ||
b6ba4014 MC |
1203 | struct ssl_st { |
1204 | /* | |
1205 | * protocol version (one of SSL2_VERSION, SSL3_VERSION, TLS1_VERSION, | |
1206 | * DTLS1_VERSION) | |
1207 | */ | |
1208 | int version; | |
b6ba4014 MC |
1209 | /* SSLv3 */ |
1210 | const SSL_METHOD *method; | |
1211 | /* | |
1212 | * There are 2 BIO's even though they are normally both the same. This | |
1213 | * is so data can be read and written to different handlers | |
1214 | */ | |
1215 | /* used by SSL_read */ | |
1216 | BIO *rbio; | |
1217 | /* used by SSL_write */ | |
1218 | BIO *wbio; | |
1219 | /* used during session-id reuse to concatenate messages */ | |
1220 | BIO *bbio; | |
1221 | /* | |
1222 | * This holds a variable that indicates what we were doing when a 0 or -1 | |
1223 | * is returned. This is needed for non-blocking IO so we know what | |
1224 | * request needs re-doing when in SSL_accept or SSL_connect | |
1225 | */ | |
1226 | int rwstate; | |
b6ba4014 MC |
1227 | int (*handshake_func) (SSL *); |
1228 | /* | |
1229 | * Imagine that here's a boolean member "init" that is switched as soon | |
1230 | * as SSL_set_{accept/connect}_state is called for the first time, so | |
1231 | * that "state" and "handshake_func" are properly initialized. But as | |
1232 | * handshake_func is == 0 until then, we use this test instead of an | |
1233 | * "init" member. | |
1234 | */ | |
23a635c0 | 1235 | /* are we the server side? */ |
b6ba4014 MC |
1236 | int server; |
1237 | /* | |
1238 | * Generate a new session or reuse an old one. | |
1239 | * NB: For servers, the 'new' session may actually be a previously | |
1240 | * cached session or even the previous session unless | |
1241 | * SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION is set | |
1242 | */ | |
1243 | int new_session; | |
1244 | /* don't send shutdown packets */ | |
1245 | int quiet_shutdown; | |
1246 | /* we have shut things down, 0x01 sent, 0x02 for received */ | |
1247 | int shutdown; | |
1248 | /* where we are */ | |
d6f1a6e9 | 1249 | OSSL_STATEM statem; |
49e7fe12 | 1250 | SSL_EARLY_DATA_STATE early_data_state; |
b6ba4014 MC |
1251 | BUF_MEM *init_buf; /* buffer used during init */ |
1252 | void *init_msg; /* pointer to handshake message body, set by | |
1253 | * ssl3_get_message() */ | |
eda75751 MC |
1254 | size_t init_num; /* amount read/written */ |
1255 | size_t init_off; /* amount read/written */ | |
555cbb32 TS |
1256 | |
1257 | struct { | |
1258 | long flags; | |
1259 | size_t read_mac_secret_size; | |
1260 | unsigned char read_mac_secret[EVP_MAX_MD_SIZE]; | |
1261 | size_t write_mac_secret_size; | |
1262 | unsigned char write_mac_secret[EVP_MAX_MD_SIZE]; | |
1263 | unsigned char server_random[SSL3_RANDOM_SIZE]; | |
1264 | unsigned char client_random[SSL3_RANDOM_SIZE]; | |
1265 | /* flags for countermeasure against known-IV weakness */ | |
1266 | int need_empty_fragments; | |
1267 | int empty_fragment_done; | |
1268 | /* used during startup, digest all incoming/outgoing packets */ | |
1269 | BIO *handshake_buffer; | |
1270 | /* | |
1271 | * When handshake digest is determined, buffer is hashed and | |
1272 | * freed and MD_CTX for the required digest is stored here. | |
1273 | */ | |
1274 | EVP_MD_CTX *handshake_dgst; | |
1275 | /* | |
1276 | * Set whenever an expected ChangeCipherSpec message is processed. | |
1277 | * Unset when the peer's Finished message is received. | |
1278 | * Unexpected ChangeCipherSpec messages trigger a fatal alert. | |
1279 | */ | |
1280 | int change_cipher_spec; | |
1281 | int warn_alert; | |
1282 | int fatal_alert; | |
1283 | /* | |
1284 | * we allow one fatal and one warning alert to be outstanding, send close | |
1285 | * alert via the warning alert | |
1286 | */ | |
1287 | int alert_dispatch; | |
1288 | unsigned char send_alert[2]; | |
1289 | /* | |
1290 | * This flag is set when we should renegotiate ASAP, basically when there | |
1291 | * is no more data in the read or write buffers | |
1292 | */ | |
1293 | int renegotiate; | |
1294 | int total_renegotiations; | |
1295 | int num_renegotiations; | |
1296 | int in_read_app_data; | |
1297 | struct { | |
1298 | /* actually only need to be 16+20 for SSLv3 and 12 for TLS */ | |
1299 | unsigned char finish_md[EVP_MAX_MD_SIZE * 2]; | |
1300 | size_t finish_md_len; | |
1301 | unsigned char peer_finish_md[EVP_MAX_MD_SIZE * 2]; | |
1302 | size_t peer_finish_md_len; | |
1303 | size_t message_size; | |
1304 | int message_type; | |
1305 | /* used to hold the new cipher we are going to use */ | |
1306 | const SSL_CIPHER *new_cipher; | |
cbb85bda | 1307 | EVP_PKEY *pkey; /* holds short lived key exchange key */ |
555cbb32 TS |
1308 | /* used for certificate requests */ |
1309 | int cert_req; | |
1310 | /* Certificate types in certificate request message. */ | |
1311 | uint8_t *ctype; | |
1312 | size_t ctype_len; | |
1313 | /* Certificate authorities list peer sent */ | |
1314 | STACK_OF(X509_NAME) *peer_ca_names; | |
1315 | size_t key_block_length; | |
1316 | unsigned char *key_block; | |
1317 | const EVP_CIPHER *new_sym_enc; | |
1318 | const EVP_MD *new_hash; | |
1319 | int new_mac_pkey_type; | |
1320 | size_t new_mac_secret_size; | |
1321 | # ifndef OPENSSL_NO_COMP | |
1322 | const SSL_COMP *new_compression; | |
1323 | # else | |
1324 | char *new_compression; | |
1325 | # endif | |
1326 | int cert_request; | |
1327 | /* Raw values of the cipher list from a client */ | |
1328 | unsigned char *ciphers_raw; | |
1329 | size_t ciphers_rawlen; | |
1330 | /* Temporary storage for premaster secret */ | |
1331 | unsigned char *pms; | |
1332 | size_t pmslen; | |
1333 | # ifndef OPENSSL_NO_PSK | |
1334 | /* Temporary storage for PSK key */ | |
1335 | unsigned char *psk; | |
1336 | size_t psklen; | |
1337 | # endif | |
1338 | /* Signature algorithm we actually use */ | |
1339 | const struct sigalg_lookup_st *sigalg; | |
1340 | /* Pointer to certificate we use */ | |
1341 | CERT_PKEY *cert; | |
1342 | /* | |
1343 | * signature algorithms peer reports: e.g. supported signature | |
1344 | * algorithms extension for server or as part of a certificate | |
1345 | * request for client. | |
1346 | * Keep track of the algorithms for TLS and X.509 usage separately. | |
1347 | */ | |
1348 | uint16_t *peer_sigalgs; | |
1349 | uint16_t *peer_cert_sigalgs; | |
1350 | /* Size of above arrays */ | |
1351 | size_t peer_sigalgslen; | |
1352 | size_t peer_cert_sigalgslen; | |
1353 | /* Sigalg peer actually uses */ | |
1354 | const struct sigalg_lookup_st *peer_sigalg; | |
1355 | /* | |
1356 | * Set if corresponding CERT_PKEY can be used with current | |
1357 | * SSL session: e.g. appropriate curve, signature algorithms etc. | |
1358 | * If zero it can't be used at all. | |
1359 | */ | |
1360 | uint32_t valid_flags[SSL_PKEY_NUM]; | |
1361 | /* | |
1362 | * For servers the following masks are for the key and auth algorithms | |
1363 | * that are supported by the certs below. For clients they are masks of | |
1364 | * *disabled* algorithms based on the current session. | |
1365 | */ | |
1366 | uint32_t mask_k; | |
1367 | uint32_t mask_a; | |
1368 | /* | |
1369 | * The following are used by the client to see if a cipher is allowed or | |
1370 | * not. It contains the minimum and maximum version the client's using | |
1371 | * based on what it knows so far. | |
1372 | */ | |
1373 | int min_ver; | |
1374 | int max_ver; | |
1375 | } tmp; | |
1376 | ||
1377 | /* Connection binding to prevent renegotiation attacks */ | |
1378 | unsigned char previous_client_finished[EVP_MAX_MD_SIZE]; | |
1379 | size_t previous_client_finished_len; | |
1380 | unsigned char previous_server_finished[EVP_MAX_MD_SIZE]; | |
1381 | size_t previous_server_finished_len; | |
407820c0 | 1382 | int send_connection_binding; |
555cbb32 TS |
1383 | |
1384 | # ifndef OPENSSL_NO_NEXTPROTONEG | |
1385 | /* | |
1386 | * Set if we saw the Next Protocol Negotiation extension from our peer. | |
1387 | */ | |
1388 | int npn_seen; | |
1389 | # endif | |
1390 | ||
1391 | /* | |
1392 | * ALPN information (we are in the process of transitioning from NPN to | |
1393 | * ALPN.) | |
1394 | */ | |
1395 | ||
1396 | /* | |
1397 | * In a server these point to the selected ALPN protocol after the | |
1398 | * ClientHello has been processed. In a client these contain the protocol | |
1399 | * that the server selected once the ServerHello has been processed. | |
1400 | */ | |
1401 | unsigned char *alpn_selected; | |
1402 | size_t alpn_selected_len; | |
1403 | /* used by the server to know what options were proposed */ | |
1404 | unsigned char *alpn_proposed; | |
1405 | size_t alpn_proposed_len; | |
1406 | /* used by the client to know if it actually sent alpn */ | |
1407 | int alpn_sent; | |
1408 | ||
555cbb32 TS |
1409 | /* |
1410 | * This is set to true if we believe that this is a version of Safari | |
1411 | * running on OS X 10.6 or newer. We wish to know this because Safari on | |
1412 | * 10.8 .. 10.8.3 has broken ECDHE-ECDSA support. | |
1413 | */ | |
1414 | char is_probably_safari; | |
555cbb32 | 1415 | |
aa6bd216 BK |
1416 | /* |
1417 | * Track whether we did a key exchange this handshake or not, so | |
1418 | * SSL_get_negotiated_group() knows whether to fall back to the | |
1419 | * value in the SSL_SESSION. | |
1420 | */ | |
1421 | char did_kex; | |
555cbb32 | 1422 | /* For clients: peer temporary key */ |
cbb85bda | 1423 | /* The group_id for the key exchange key */ |
555cbb32 TS |
1424 | uint16_t group_id; |
1425 | EVP_PKEY *peer_tmp; | |
555cbb32 TS |
1426 | |
1427 | } s3; | |
1428 | ||
b6ba4014 | 1429 | struct dtls1_state_st *d1; /* DTLSv1 variables */ |
b6ba4014 MC |
1430 | /* callback that allows applications to peek at protocol messages */ |
1431 | void (*msg_callback) (int write_p, int version, int content_type, | |
1432 | const void *buf, size_t len, SSL *ssl, void *arg); | |
1433 | void *msg_callback_arg; | |
1434 | int hit; /* reusing a previous session */ | |
1435 | X509_VERIFY_PARAM *param; | |
919ba009 | 1436 | /* Per connection DANE state */ |
b9aec69a | 1437 | SSL_DANE dane; |
b6ba4014 | 1438 | /* crypto */ |
eee2a6a7 | 1439 | STACK_OF(SSL_CIPHER) *peer_ciphers; |
b6ba4014 MC |
1440 | STACK_OF(SSL_CIPHER) *cipher_list; |
1441 | STACK_OF(SSL_CIPHER) *cipher_list_by_id; | |
f865b081 MC |
1442 | /* TLSv1.3 specific ciphersuites */ |
1443 | STACK_OF(SSL_CIPHER) *tls13_ciphersuites; | |
b6ba4014 MC |
1444 | /* |
1445 | * These are the ones being used, the ones in SSL_SESSION are the ones to | |
1446 | * be 'copied' into these ones | |
1447 | */ | |
f7d53487 | 1448 | uint32_t mac_flags; |
34574f19 | 1449 | /* |
4ff1a526 | 1450 | * The TLS1.3 secrets. |
34574f19 MC |
1451 | */ |
1452 | unsigned char early_secret[EVP_MAX_MD_SIZE]; | |
1453 | unsigned char handshake_secret[EVP_MAX_MD_SIZE]; | |
ec15acb6 | 1454 | unsigned char master_secret[EVP_MAX_MD_SIZE]; |
4ff1a526 | 1455 | unsigned char resumption_master_secret[EVP_MAX_MD_SIZE]; |
6484776f MC |
1456 | unsigned char client_finished_secret[EVP_MAX_MD_SIZE]; |
1457 | unsigned char server_finished_secret[EVP_MAX_MD_SIZE]; | |
ace081c1 | 1458 | unsigned char server_finished_hash[EVP_MAX_MD_SIZE]; |
fe5e20fd | 1459 | unsigned char handshake_traffic_hash[EVP_MAX_MD_SIZE]; |
57389a32 MC |
1460 | unsigned char client_app_traffic_secret[EVP_MAX_MD_SIZE]; |
1461 | unsigned char server_app_traffic_secret[EVP_MAX_MD_SIZE]; | |
0ca8d1ec | 1462 | unsigned char exporter_master_secret[EVP_MAX_MD_SIZE]; |
b38ede80 | 1463 | unsigned char early_exporter_master_secret[EVP_MAX_MD_SIZE]; |
b6ba4014 | 1464 | EVP_CIPHER_CTX *enc_read_ctx; /* cryptographic state */ |
bebc0c7d | 1465 | unsigned char read_iv[EVP_MAX_IV_LENGTH]; /* TLSv1.3 static read IV */ |
b6ba4014 | 1466 | EVP_MD_CTX *read_hash; /* used for mac generation */ |
9a555706 | 1467 | COMP_CTX *compress; /* compression */ |
b6ba4014 | 1468 | COMP_CTX *expand; /* uncompress */ |
b6ba4014 | 1469 | EVP_CIPHER_CTX *enc_write_ctx; /* cryptographic state */ |
bebc0c7d | 1470 | unsigned char write_iv[EVP_MAX_IV_LENGTH]; /* TLSv1.3 static write IV */ |
b6ba4014 | 1471 | EVP_MD_CTX *write_hash; /* used for mac generation */ |
b6ba4014 MC |
1472 | /* session info */ |
1473 | /* client cert? */ | |
1474 | /* This is used to hold the server certificate used */ | |
1475 | struct cert_st /* CERT */ *cert; | |
2c5dfdc3 MC |
1476 | |
1477 | /* | |
1478 | * The hash of all messages prior to the CertificateVerify, and the length | |
1479 | * of that hash. | |
1480 | */ | |
1481 | unsigned char cert_verify_hash[EVP_MAX_MD_SIZE]; | |
1482 | size_t cert_verify_hash_len; | |
1483 | ||
7d061fce | 1484 | /* Flag to indicate whether we should send a HelloRetryRequest or not */ |
fc7129dc MC |
1485 | enum {SSL_HRR_NONE = 0, SSL_HRR_PENDING, SSL_HRR_COMPLETE} |
1486 | hello_retry_request; | |
7d061fce | 1487 | |
b6ba4014 MC |
1488 | /* |
1489 | * the session_id_context is used to ensure sessions are only reused in | |
1490 | * the appropriate context | |
1491 | */ | |
ec60ccc1 | 1492 | size_t sid_ctx_length; |
b6ba4014 MC |
1493 | unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH]; |
1494 | /* This can also be in the session once a session is established */ | |
1495 | SSL_SESSION *session; | |
9368f865 MC |
1496 | /* TLSv1.3 PSK session */ |
1497 | SSL_SESSION *psksession; | |
add8d0e9 MC |
1498 | unsigned char *psksession_id; |
1499 | size_t psksession_id_len; | |
b6ba4014 MC |
1500 | /* Default generate session ID callback. */ |
1501 | GEN_SESSION_CB generate_session_id; | |
a5816a5a MC |
1502 | /* |
1503 | * The temporary TLSv1.3 session id. This isn't really a session id at all | |
1504 | * but is a random value sent in the legacy session id field. | |
1505 | */ | |
1506 | unsigned char tmp_session_id[SSL_MAX_SSL_SESSION_ID_LENGTH]; | |
1507 | size_t tmp_session_id_len; | |
b6ba4014 MC |
1508 | /* Used in SSL3 */ |
1509 | /* | |
1510 | * 0 don't care about verify failure. | |
1511 | * 1 fail if verify fails | |
1512 | */ | |
f7d53487 | 1513 | uint32_t verify_mode; |
b6ba4014 MC |
1514 | /* fail if callback returns 0 */ |
1515 | int (*verify_callback) (int ok, X509_STORE_CTX *ctx); | |
1516 | /* optional informational callback */ | |
1517 | void (*info_callback) (const SSL *ssl, int type, int val); | |
1518 | /* error bytes to be written */ | |
1519 | int error; | |
1520 | /* actual code */ | |
1521 | int error_code; | |
a230b26e | 1522 | # ifndef OPENSSL_NO_PSK |
8cbfcc70 RS |
1523 | SSL_psk_client_cb_func psk_client_callback; |
1524 | SSL_psk_server_cb_func psk_server_callback; | |
a230b26e | 1525 | # endif |
3a7c56b2 | 1526 | SSL_psk_find_session_cb_func psk_find_session_cb; |
9368f865 | 1527 | SSL_psk_use_session_cb_func psk_use_session_cb; |
5d263fb7 | 1528 | |
b6ba4014 | 1529 | SSL_CTX *ctx; |
696178ed DSH |
1530 | /* Verified chain of peer */ |
1531 | STACK_OF(X509) *verified_chain; | |
b6ba4014 | 1532 | long verify_result; |
696178ed | 1533 | /* extra application data */ |
b6ba4014 | 1534 | CRYPTO_EX_DATA ex_data; |
98732979 MC |
1535 | /* |
1536 | * What we put in certificate_authorities extension for TLS 1.3 | |
1537 | * (ClientHello and CertificateRequest) or just client cert requests for | |
1538 | * earlier versions. If client_ca_names is populated then it is only used | |
1539 | * for client cert requests, and in preference to ca_names. | |
1540 | */ | |
fa7c2637 | 1541 | STACK_OF(X509_NAME) *ca_names; |
98732979 | 1542 | STACK_OF(X509_NAME) *client_ca_names; |
2f545ae4 | 1543 | CRYPTO_REF_COUNT references; |
b6ba4014 | 1544 | /* protocol behaviour */ |
56bd1783 | 1545 | uint64_t options; |
b6ba4014 | 1546 | /* API behaviour */ |
f7d53487 | 1547 | uint32_t mode; |
7946ab33 KR |
1548 | int min_proto_version; |
1549 | int max_proto_version; | |
12472b45 | 1550 | size_t max_cert_list; |
b6ba4014 | 1551 | int first_packet; |
7acb8b64 MC |
1552 | /* |
1553 | * What was passed in ClientHello.legacy_version. Used for RSA pre-master | |
1554 | * secret and SSLv3/TLS (<=1.2) rollback check | |
1555 | */ | |
b6ba4014 | 1556 | int client_version; |
d102d9df MC |
1557 | /* |
1558 | * If we're using more than one pipeline how should we divide the data | |
1559 | * up between the pipes? | |
1560 | */ | |
7ee8627f | 1561 | size_t split_send_fragment; |
d102d9df MC |
1562 | /* |
1563 | * Maximum amount of data to send in one fragment. actual record size can | |
1564 | * be more than this due to padding and MAC overheads. | |
1565 | */ | |
7ee8627f | 1566 | size_t max_send_fragment; |
d102d9df | 1567 | /* Up to how many pipelines should we use? If 0 then 1 is assumed */ |
7ee8627f | 1568 | size_t max_pipelines; |
aff8c126 RS |
1569 | |
1570 | struct { | |
b186a592 MC |
1571 | /* Built-in extension flags */ |
1572 | uint8_t extflags[TLSEXT_IDX_num_builtins]; | |
aff8c126 | 1573 | /* TLS extension debug callback */ |
1ed327f7 RS |
1574 | void (*debug_cb)(SSL *s, int client_server, int type, |
1575 | const unsigned char *data, int len, void *arg); | |
aff8c126 RS |
1576 | void *debug_arg; |
1577 | char *hostname; | |
1578 | /* certificate status request info */ | |
1579 | /* Status type or -1 if no status type */ | |
1580 | int status_type; | |
1581 | /* Raw extension data, if seen */ | |
1582 | unsigned char *scts; | |
1583 | /* Length of raw extension data, if seen */ | |
1584 | uint16_t scts_len; | |
1585 | /* Expect OCSP CertificateStatus message */ | |
1586 | int status_expected; | |
1587 | ||
1588 | struct { | |
1589 | /* OCSP status request only */ | |
1590 | STACK_OF(OCSP_RESPID) *ids; | |
1591 | X509_EXTENSIONS *exts; | |
1592 | /* OCSP response received or to be sent */ | |
1593 | unsigned char *resp; | |
1594 | size_t resp_len; | |
1595 | } ocsp; | |
1596 | ||
1597 | /* RFC4507 session ticket expected to be received or sent */ | |
1598 | int ticket_expected; | |
35774d55 BK |
1599 | /* TLS 1.3 tickets requested by the application. */ |
1600 | int extra_tickets_expected; | |
aff8c126 RS |
1601 | size_t ecpointformats_len; |
1602 | /* our list */ | |
1603 | unsigned char *ecpointformats; | |
cd0fb43c MC |
1604 | |
1605 | size_t peer_ecpointformats_len; | |
1606 | /* peer's list */ | |
1607 | unsigned char *peer_ecpointformats; | |
aff8c126 RS |
1608 | size_t supportedgroups_len; |
1609 | /* our list */ | |
9e84a42d | 1610 | uint16_t *supportedgroups; |
45436e61 MC |
1611 | |
1612 | size_t peer_supportedgroups_len; | |
1613 | /* peer's list */ | |
1614 | uint16_t *peer_supportedgroups; | |
1615 | ||
aff8c126 RS |
1616 | /* TLS Session Ticket extension override */ |
1617 | TLS_SESSION_TICKET_EXT *session_ticket; | |
1618 | /* TLS Session Ticket extension callback */ | |
1619 | tls_session_ticket_ext_cb_fn session_ticket_cb; | |
1620 | void *session_ticket_cb_arg; | |
1621 | /* TLS pre-shared secret session resumption */ | |
1622 | tls_session_secret_cb_fn session_secret_cb; | |
1623 | void *session_secret_cb_arg; | |
1624 | /* | |
1625 | * For a client, this contains the list of supported protocols in wire | |
1626 | * format. | |
1627 | */ | |
1628 | unsigned char *alpn; | |
1629 | size_t alpn_len; | |
1630 | /* | |
1631 | * Next protocol negotiation. For the client, this is the protocol that | |
1632 | * we sent in NextProtocol and is set when handling ServerHello | |
1633 | * extensions. For a server, this is the client's selected_protocol from | |
1634 | * NextProtocol and is set when handling the NextProtocol message, before | |
1635 | * the Finished message. | |
1636 | */ | |
1637 | unsigned char *npn; | |
1638 | size_t npn_len; | |
b2f7e8c0 | 1639 | |
4086b42b | 1640 | /* The available PSK key exchange modes */ |
b2f7e8c0 | 1641 | int psk_kex_mode; |
28a31a0a MC |
1642 | |
1643 | /* Set to one if we have negotiated ETM */ | |
1644 | int use_etm; | |
0a87d0ac | 1645 | |
1ea4d09a MC |
1646 | /* Are we expecting to receive early data? */ |
1647 | int early_data; | |
2c604cb9 MC |
1648 | /* Is the session suitable for early data? */ |
1649 | int early_data_ok; | |
cfef5027 MC |
1650 | |
1651 | /* May be sent by a server in HRR. Must be echoed back in ClientHello */ | |
1652 | unsigned char *tls13_cookie; | |
1653 | size_t tls13_cookie_len; | |
c36001c3 MC |
1654 | /* Have we received a cookie from the client? */ |
1655 | int cookieok; | |
1656 | ||
cf72c757 F |
1657 | /* |
1658 | * Maximum Fragment Length as per RFC 4366. | |
1659 | * If this member contains one of the allowed values (1-4) | |
1660 | * then we should include Maximum Fragment Length Negotiation | |
1661 | * extension in Client Hello. | |
1662 | * Please note that value of this member does not have direct | |
1663 | * effect. The actual (binding) value is stored in SSL_SESSION, | |
1664 | * as this extension is optional on server side. | |
1665 | */ | |
1666 | uint8_t max_fragment_len_mode; | |
c96ce52c MC |
1667 | |
1668 | /* | |
1669 | * On the client side the number of ticket identities we sent in the | |
1670 | * ClientHello. On the server side the identity of the ticket we | |
1671 | * selected. | |
1672 | */ | |
1673 | int tick_identity; | |
aff8c126 RS |
1674 | } ext; |
1675 | ||
a9c0d8be DB |
1676 | /* |
1677 | * Parsed form of the ClientHello, kept around across client_hello_cb | |
1678 | * calls. | |
1679 | */ | |
6b1bb98f BK |
1680 | CLIENTHELLO_MSG *clienthello; |
1681 | ||
b6ba4014 MC |
1682 | /*- |
1683 | * no further mod of servername | |
1684 | * 0 : call the servername extension callback. | |
1685 | * 1 : prepare 2, allow last ack just after in server callback. | |
1686 | * 2 : don't call servername callback, no ack in server hello | |
1687 | */ | |
1688 | int servername_done; | |
a230b26e | 1689 | # ifndef OPENSSL_NO_CT |
ed29e82a | 1690 | /* |
a230b26e EK |
1691 | * Validates that the SCTs (Signed Certificate Timestamps) are sufficient. |
1692 | * If they are not, the connection should be aborted. | |
1693 | */ | |
43341433 | 1694 | ssl_ct_validation_cb ct_validation_callback; |
48722ff5 | 1695 | /* User-supplied argument that is passed to the ct_validation_callback */ |
ed29e82a RP |
1696 | void *ct_validation_callback_arg; |
1697 | /* | |
1698 | * Consolidated stack of SCTs from all sources. | |
1699 | * Lazily populated by CT_get_peer_scts(SSL*) | |
1700 | */ | |
1701 | STACK_OF(SCT) *scts; | |
ed29e82a RP |
1702 | /* Have we attempted to find/parse SCTs yet? */ |
1703 | int scts_parsed; | |
a230b26e | 1704 | # endif |
222da979 | 1705 | SSL_CTX *session_ctx; /* initial ctx, used to store sessions */ |
1fb6b0bf | 1706 | # ifndef OPENSSL_NO_SRTP |
b6ba4014 MC |
1707 | /* What we'll do */ |
1708 | STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles; | |
1709 | /* What's been chosen */ | |
1710 | SRTP_PROTECTION_PROFILE *srtp_profile; | |
1fb6b0bf | 1711 | # endif |
b6ba4014 MC |
1712 | /*- |
1713 | * 1 if we are renegotiating. | |
1714 | * 2 if we are a server and are inside a handshake | |
1715 | * (i.e. not just sending a HelloRequest) | |
1716 | */ | |
1717 | int renegotiate; | |
44c04a2e | 1718 | /* If sending a KeyUpdate is pending */ |
4fbfe86a | 1719 | int key_update; |
9d75dce3 TS |
1720 | /* Post-handshake authentication state */ |
1721 | SSL_PHA_STATE post_handshake_auth; | |
32097b33 | 1722 | int pha_enabled; |
9d75dce3 TS |
1723 | uint8_t* pha_context; |
1724 | size_t pha_context_len; | |
1725 | int certreqs_sent; | |
1726 | EVP_MD_CTX *pha_dgst; /* this is just the digest through ClientFinished */ | |
1727 | ||
a230b26e | 1728 | # ifndef OPENSSL_NO_SRP |
b6ba4014 MC |
1729 | /* ctx for SRP authentication */ |
1730 | SRP_CTX srp_ctx; | |
a230b26e | 1731 | # endif |
b6ba4014 MC |
1732 | /* |
1733 | * Callback for disabling session caching and ticket support on a session | |
1734 | * basis, depending on the chosen cipher. | |
1735 | */ | |
1736 | int (*not_resumable_session_cb) (SSL *ssl, int is_forward_secure); | |
28d59af8 | 1737 | RECORD_LAYER rlayer; |
a974e64a MC |
1738 | /* Default password callback. */ |
1739 | pem_password_cb *default_passwd_callback; | |
a974e64a MC |
1740 | /* Default password callback user data. */ |
1741 | void *default_passwd_callback_userdata; | |
07bbc92c MC |
1742 | /* Async Job info */ |
1743 | ASYNC_JOB *job; | |
ff75a257 | 1744 | ASYNC_WAIT_CTX *waitctx; |
7ee8627f | 1745 | size_t asyncrw; |
eda75751 | 1746 | |
4e8548e8 MC |
1747 | /* |
1748 | * The maximum number of bytes advertised in session tickets that can be | |
1749 | * sent as early data. | |
1750 | */ | |
3fc8d856 | 1751 | uint32_t max_early_data; |
4e8548e8 MC |
1752 | /* |
1753 | * The maximum number of bytes of early data that a server will tolerate | |
1754 | * (which should be at least as much as max_early_data). | |
1755 | */ | |
1756 | uint32_t recv_max_early_data; | |
1757 | ||
70ef40a0 MC |
1758 | /* |
1759 | * The number of bytes of early data received so far. If we accepted early | |
1760 | * data then this is a count of the plaintext bytes. If we rejected it then | |
1761 | * this is a count of the ciphertext bytes. | |
1762 | */ | |
1763 | uint32_t early_data_count; | |
3fc8d856 | 1764 | |
c649d10d TS |
1765 | /* TLS1.3 padding callback */ |
1766 | size_t (*record_padding_cb)(SSL *s, int type, size_t len, void *arg); | |
1767 | void *record_padding_arg; | |
1768 | size_t block_padding; | |
1769 | ||
16203f7b | 1770 | CRYPTO_RWLOCK *lock; |
9d0a8bb7 MC |
1771 | |
1772 | /* The number of TLS1.3 tickets to automatically send */ | |
1773 | size_t num_tickets; | |
1774 | /* The number of TLS1.3 tickets actually sent so far */ | |
1775 | size_t sent_tickets; | |
4ff1a526 MC |
1776 | /* The next nonce value to use when we send a ticket on this connection */ |
1777 | uint64_t next_ticket_nonce; | |
c9598459 MC |
1778 | |
1779 | /* Callback to determine if early_data is acceptable or not */ | |
1780 | SSL_allow_early_data_cb_fn allow_early_data_cb; | |
1781 | void *allow_early_data_cb_data; | |
9f5a87fd PY |
1782 | |
1783 | /* Callback for SSL async handling */ | |
1784 | SSL_async_callback_fn async_cb; | |
1785 | void *async_cb_arg; | |
29948ac8 BK |
1786 | |
1787 | /* | |
1788 | * Signature algorithms shared by client and server: cached because these | |
1789 | * are used most often. | |
1790 | */ | |
1791 | const struct sigalg_lookup_st **shared_sigalgs; | |
1792 | size_t shared_sigalgslen; | |
b6ba4014 MC |
1793 | }; |
1794 | ||
f742cda8 DSH |
1795 | /* |
1796 | * Structure containing table entry of values associated with the signature | |
1797 | * algorithms (signature scheme) extension | |
1798 | */ | |
1799 | typedef struct sigalg_lookup_st { | |
1800 | /* TLS 1.3 signature scheme name */ | |
1801 | const char *name; | |
1802 | /* Raw value used in extension */ | |
1803 | uint16_t sigalg; | |
3d234c9e | 1804 | /* NID of hash algorithm or NID_undef if no hash */ |
f742cda8 | 1805 | int hash; |
3d234c9e | 1806 | /* Index of hash algorithm or -1 if no hash algorithm */ |
17ae384e | 1807 | int hash_idx; |
f742cda8 DSH |
1808 | /* NID of signature algorithm */ |
1809 | int sig; | |
17ae384e DSH |
1810 | /* Index of signature algorithm */ |
1811 | int sig_idx; | |
f742cda8 DSH |
1812 | /* Combined hash and signature NID, if any */ |
1813 | int sigandhash; | |
1814 | /* Required public key curve (ECDSA only) */ | |
1815 | int curve; | |
263ff2c9 MC |
1816 | /* Whether this signature algorithm is actually available for use */ |
1817 | int enabled; | |
f742cda8 DSH |
1818 | } SIGALG_LOOKUP; |
1819 | ||
c04cd728 DSH |
1820 | /* |
1821 | * Structure containing table entry of certificate info corresponding to | |
1822 | * CERT_PKEY entries | |
1823 | */ | |
1824 | typedef struct { | |
ee215c7e | 1825 | int nid; /* NID of public key algorithm */ |
c04cd728 DSH |
1826 | uint32_t amask; /* authmask corresponding to key type */ |
1827 | } SSL_CERT_LOOKUP; | |
1828 | ||
b6ba4014 MC |
1829 | /* DTLS structures */ |
1830 | ||
a230b26e EK |
1831 | # ifndef OPENSSL_NO_SCTP |
1832 | # define DTLS1_SCTP_AUTH_LABEL "EXPORTER_DTLS_OVER_SCTP" | |
1833 | # endif | |
b6ba4014 MC |
1834 | |
1835 | /* Max MTU overhead we know about so far is 40 for IPv6 + 8 for UDP */ | |
a230b26e | 1836 | # define DTLS1_MAX_MTU_OVERHEAD 48 |
b6ba4014 | 1837 | |
e3d0dae7 MC |
1838 | /* |
1839 | * Flag used in message reuse to indicate the buffer contains the record | |
436ad81f | 1840 | * header as well as the handshake message header. |
e3d0dae7 | 1841 | */ |
a230b26e | 1842 | # define DTLS1_SKIP_RECORD_HEADER 2 |
e3d0dae7 | 1843 | |
b6ba4014 MC |
1844 | struct dtls1_retransmit_state { |
1845 | EVP_CIPHER_CTX *enc_write_ctx; /* cryptographic state */ | |
1846 | EVP_MD_CTX *write_hash; /* used for mac generation */ | |
b6ba4014 | 1847 | COMP_CTX *compress; /* compression */ |
b6ba4014 MC |
1848 | SSL_SESSION *session; |
1849 | unsigned short epoch; | |
1850 | }; | |
1851 | ||
1852 | struct hm_header_st { | |
1853 | unsigned char type; | |
7ee8627f | 1854 | size_t msg_len; |
b6ba4014 | 1855 | unsigned short seq; |
7ee8627f MC |
1856 | size_t frag_off; |
1857 | size_t frag_len; | |
b6ba4014 MC |
1858 | unsigned int is_ccs; |
1859 | struct dtls1_retransmit_state saved_retransmit_state; | |
1860 | }; | |
1861 | ||
b6ba4014 MC |
1862 | struct dtls1_timeout_st { |
1863 | /* Number of read timeouts so far */ | |
1864 | unsigned int read_timeouts; | |
1865 | /* Number of write timeouts so far */ | |
1866 | unsigned int write_timeouts; | |
1867 | /* Number of alerts received so far */ | |
1868 | unsigned int num_alerts; | |
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; | |
1916 | struct dtls1_timeout_st timeout; | |
1917 | /* | |
e72040c1 | 1918 | * Indicates when the last handshake msg sent will timeout |
b6ba4014 MC |
1919 | */ |
1920 | struct timeval next_timeout; | |
1921 | /* Timeout duration */ | |
fa4b82cc AH |
1922 | unsigned int timeout_duration_us; |
1923 | ||
b6ba4014 | 1924 | unsigned int retransmitting; |
a230b26e | 1925 | # ifndef OPENSSL_NO_SCTP |
b6ba4014 | 1926 | int shutdown_received; |
a230b26e | 1927 | # endif |
fa4b82cc AH |
1928 | |
1929 | DTLS_timer_cb timer_cb; | |
1930 | ||
b6ba4014 MC |
1931 | } DTLS1_STATE; |
1932 | ||
0f113f3e MC |
1933 | /* |
1934 | * From ECC-TLS draft, used in encoding the curve type in ECParameters | |
ea262260 | 1935 | */ |
0f113f3e MC |
1936 | # define EXPLICIT_PRIME_CURVE_TYPE 1 |
1937 | # define EXPLICIT_CHAR2_CURVE_TYPE 2 | |
1938 | # define NAMED_CURVE_TYPE 3 | |
0f113f3e | 1939 | |
a497cf25 | 1940 | struct cert_pkey_st { |
0f113f3e MC |
1941 | X509 *x509; |
1942 | EVP_PKEY *privatekey; | |
0f113f3e MC |
1943 | /* Chain for this certificate */ |
1944 | STACK_OF(X509) *chain; | |
50e735f9 MC |
1945 | /*- |
1946 | * serverinfo data for this certificate. The data is in TLS Extension | |
1947 | * wire format, specifically it's a series of records like: | |
1948 | * uint16_t extension_type; // (RFC 5246, 7.4.1.4, Extension) | |
1949 | * uint16_t length; | |
1950 | * uint8_t data[length]; | |
1951 | */ | |
0f113f3e MC |
1952 | unsigned char *serverinfo; |
1953 | size_t serverinfo_length; | |
a497cf25 | 1954 | }; |
2ea80354 | 1955 | /* Retrieve Suite B flags */ |
0f113f3e | 1956 | # define tls1_suiteb(s) (s->cert->cert_flags & SSL_CERT_FLAG_SUITEB_128_LOS) |
2ea80354 | 1957 | /* Uses to check strict mode: suite B modes are always strict */ |
0f113f3e MC |
1958 | # define SSL_CERT_FLAGS_CHECK_TLS_STRICT \ |
1959 | (SSL_CERT_FLAG_SUITEB_128_LOS|SSL_CERT_FLAG_TLS_STRICT) | |
d02b48c6 | 1960 | |
787d9ec7 MC |
1961 | typedef enum { |
1962 | ENDPOINT_CLIENT = 0, | |
1963 | ENDPOINT_SERVER, | |
1964 | ENDPOINT_BOTH | |
1965 | } ENDPOINT; | |
1966 | ||
1967 | ||
b83294fe | 1968 | typedef struct { |
0f113f3e | 1969 | unsigned short ext_type; |
787d9ec7 | 1970 | ENDPOINT role; |
43ae5eed MC |
1971 | /* The context which this extension applies to */ |
1972 | unsigned int context; | |
0f113f3e MC |
1973 | /* |
1974 | * Per-connection flags relating to this extension type: not used if | |
1975 | * part of an SSL_CTX structure. | |
1976 | */ | |
f7d53487 | 1977 | uint32_t ext_flags; |
cd17bb19 MC |
1978 | SSL_custom_ext_add_cb_ex add_cb; |
1979 | SSL_custom_ext_free_cb_ex free_cb; | |
0f113f3e | 1980 | void *add_arg; |
cd17bb19 | 1981 | SSL_custom_ext_parse_cb_ex parse_cb; |
0f113f3e | 1982 | void *parse_arg; |
ecf4d660 | 1983 | } custom_ext_method; |
b83294fe | 1984 | |
28ea0a0c DSH |
1985 | /* ext_flags values */ |
1986 | ||
0f113f3e MC |
1987 | /* |
1988 | * Indicates an extension has been received. Used to check for unsolicited or | |
1989 | * duplicate extensions. | |
28ea0a0c | 1990 | */ |
0f113f3e MC |
1991 | # define SSL_EXT_FLAG_RECEIVED 0x1 |
1992 | /* | |
1993 | * Indicates an extension has been sent: used to enable sending of | |
1994 | * corresponding ServerHello extension. | |
28ea0a0c | 1995 | */ |
0f113f3e | 1996 | # define SSL_EXT_FLAG_SENT 0x2 |
28ea0a0c | 1997 | |
b83294fe | 1998 | typedef struct { |
0f113f3e MC |
1999 | custom_ext_method *meths; |
2000 | size_t meths_count; | |
ecf4d660 | 2001 | } custom_ext_methods; |
b83294fe | 2002 | |
0f113f3e MC |
2003 | typedef struct cert_st { |
2004 | /* Current active set */ | |
2005 | /* | |
2006 | * ALWAYS points to an element of the pkeys array | |
2007 | * Probably it would make more sense to store | |
2008 | * an index, not a pointer. | |
2009 | */ | |
2010 | CERT_PKEY *key; | |
13c45372 | 2011 | |
e2b420fd | 2012 | EVP_PKEY *dh_tmp; |
0f113f3e MC |
2013 | DH *(*dh_tmp_cb) (SSL *ssl, int is_export, int keysize); |
2014 | int dh_tmp_auto; | |
0f113f3e | 2015 | /* Flags related to certificates */ |
f7d53487 | 2016 | uint32_t cert_flags; |
0f113f3e | 2017 | CERT_PKEY pkeys[SSL_PKEY_NUM]; |
75c13e78 DSH |
2018 | /* Custom certificate types sent in certificate request message. */ |
2019 | uint8_t *ctype; | |
2020 | size_t ctype_len; | |
0f113f3e | 2021 | /* |
60250017 | 2022 | * supported signature algorithms. When set on a client this is sent in |
0f113f3e MC |
2023 | * the client hello as the supported signature algorithms extension. For |
2024 | * servers it represents the signature algorithms we are willing to use. | |
2025 | */ | |
98c792d1 | 2026 | uint16_t *conf_sigalgs; |
0f113f3e MC |
2027 | /* Size of above array */ |
2028 | size_t conf_sigalgslen; | |
2029 | /* | |
2030 | * Client authentication signature algorithms, if not set then uses | |
2031 | * conf_sigalgs. On servers these will be the signature algorithms sent | |
48722ff5 F |
2032 | * to the client in a certificate request for TLS 1.2. On a client this |
2033 | * represents the signature algorithms we are willing to use for client | |
0f113f3e MC |
2034 | * authentication. |
2035 | */ | |
98c792d1 | 2036 | uint16_t *client_sigalgs; |
0f113f3e MC |
2037 | /* Size of above array */ |
2038 | size_t client_sigalgslen; | |
0f113f3e MC |
2039 | /* |
2040 | * Certificate setup callback: if set is called whenever a certificate | |
2041 | * may be required (client or server). the callback can then examine any | |
2042 | * appropriate parameters and setup any certificates required. This | |
2043 | * allows advanced applications to select certificates on the fly: for | |
2044 | * example based on supported signature algorithms or curves. | |
2045 | */ | |
2046 | int (*cert_cb) (SSL *ssl, void *arg); | |
2047 | void *cert_cb_arg; | |
2048 | /* | |
2049 | * Optional X509_STORE for chain building or certificate validation If | |
2050 | * NULL the parent SSL_CTX store is used instead. | |
2051 | */ | |
2052 | X509_STORE *chain_store; | |
2053 | X509_STORE *verify_store; | |
43ae5eed MC |
2054 | /* Custom extensions */ |
2055 | custom_ext_methods custext; | |
0f113f3e | 2056 | /* Security callback */ |
e4646a89 | 2057 | int (*sec_cb) (const SSL *s, const SSL_CTX *ctx, int op, int bits, int nid, |
0f113f3e MC |
2058 | void *other, void *ex); |
2059 | /* Security level */ | |
2060 | int sec_level; | |
2061 | void *sec_ex; | |
a230b26e | 2062 | # ifndef OPENSSL_NO_PSK |
df6da24b DSH |
2063 | /* If not NULL psk identity hint to use for servers */ |
2064 | char *psk_identity_hint; | |
a230b26e | 2065 | # endif |
2f545ae4 | 2066 | CRYPTO_REF_COUNT references; /* >1 only if SSL_copy_session_id is used */ |
16203f7b | 2067 | CRYPTO_RWLOCK *lock; |
0f113f3e MC |
2068 | } CERT; |
2069 | ||
0f113f3e | 2070 | # define FP_ICC (int (*)(const void *,const void *)) |
0f113f3e MC |
2071 | |
2072 | /* | |
2073 | * This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff It is a bit | |
2074 | * of a mess of functions, but hell, think of it as an opaque structure :-) | |
2075 | */ | |
2076 | typedef struct ssl3_enc_method { | |
ec27e619 | 2077 | int (*enc) (SSL *, SSL3_RECORD *, size_t, int, SSL_MAC_BUF *, size_t); |
d102d9df | 2078 | int (*mac) (SSL *, SSL3_RECORD *, unsigned char *, int); |
0f113f3e MC |
2079 | int (*setup_key_block) (SSL *); |
2080 | int (*generate_master_secret) (SSL *, unsigned char *, unsigned char *, | |
8c1a5343 | 2081 | size_t, size_t *); |
0f113f3e | 2082 | int (*change_cipher_state) (SSL *, int); |
6db6bc5a | 2083 | size_t (*final_finish_mac) (SSL *, const char *, size_t, unsigned char *); |
0f113f3e | 2084 | const char *client_finished_label; |
8b0e934a | 2085 | size_t client_finished_label_len; |
0f113f3e | 2086 | const char *server_finished_label; |
8b0e934a | 2087 | size_t server_finished_label_len; |
0f113f3e MC |
2088 | int (*alert_value) (int); |
2089 | int (*export_keying_material) (SSL *, unsigned char *, size_t, | |
2090 | const char *, size_t, | |
2091 | const unsigned char *, size_t, | |
2092 | int use_context); | |
2093 | /* Various flags indicating protocol version requirements */ | |
f7d53487 | 2094 | uint32_t enc_flags; |
0f113f3e | 2095 | /* Set the handshake header */ |
a29fa98c | 2096 | int (*set_handshake_header) (SSL *s, WPACKET *pkt, int type); |
2c7b4dbc | 2097 | /* Close construction of the handshake message */ |
4a01c59f | 2098 | int (*close_construct_packet) (SSL *s, WPACKET *pkt, int htype); |
0f113f3e MC |
2099 | /* Write out handshake message */ |
2100 | int (*do_write) (SSL *s); | |
2101 | } SSL3_ENC_METHOD; | |
2102 | ||
a29fa98c MC |
2103 | # define ssl_set_handshake_header(s, pkt, htype) \ |
2104 | s->method->ssl3_enc->set_handshake_header((s), (pkt), (htype)) | |
4a01c59f MC |
2105 | # define ssl_close_construct_packet(s, pkt, htype) \ |
2106 | s->method->ssl3_enc->close_construct_packet((s), (pkt), (htype)) | |
0f113f3e | 2107 | # define ssl_do_write(s) s->method->ssl3_enc->do_write(s) |
173e72e6 DSH |
2108 | |
2109 | /* Values for enc_flags */ | |
2110 | ||
2111 | /* Uses explicit IV for CBC mode */ | |
0f113f3e | 2112 | # define SSL_ENC_FLAG_EXPLICIT_IV 0x1 |
173e72e6 | 2113 | /* Uses signature algorithms extension */ |
0f113f3e | 2114 | # define SSL_ENC_FLAG_SIGALGS 0x2 |
cbd64894 | 2115 | /* Uses SHA256 default PRF */ |
0f113f3e | 2116 | # define SSL_ENC_FLAG_SHA256_PRF 0x4 |
173e72e6 | 2117 | /* Is DTLS */ |
0f113f3e MC |
2118 | # define SSL_ENC_FLAG_DTLS 0x8 |
2119 | /* | |
2120 | * Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2: may | |
2121 | * apply to others in future. | |
4221c0dd | 2122 | */ |
0f113f3e | 2123 | # define SSL_ENC_FLAG_TLS1_2_CIPHERS 0x10 |
173e72e6 | 2124 | |
0f113f3e | 2125 | # ifndef OPENSSL_NO_COMP |
651d0aff | 2126 | /* Used for holding the relevant compression methods loaded into SSL_CTX */ |
0f113f3e MC |
2127 | typedef struct ssl3_comp_st { |
2128 | int comp_id; /* The identifier byte for this compression | |
2129 | * type */ | |
2130 | char *name; /* Text name used for the compression type */ | |
2131 | COMP_METHOD *method; /* The method :-) */ | |
2132 | } SSL3_COMP; | |
2133 | # endif | |
dfeab068 | 2134 | |
f7f2a01d MC |
2135 | typedef enum downgrade_en { |
2136 | DOWNGRADE_NONE, | |
2137 | DOWNGRADE_TO_1_2, | |
2138 | DOWNGRADE_TO_1_1 | |
2139 | } DOWNGRADE; | |
2140 | ||
cbb09544 MC |
2141 | /* |
2142 | * Dummy status type for the status_type extension. Indicates no status type | |
2143 | * set | |
2144 | */ | |
2145 | #define TLSEXT_STATUSTYPE_nothing -1 | |
2146 | ||
703bcee0 MC |
2147 | /* Sigalgs values */ |
2148 | #define TLSEXT_SIGALG_ecdsa_secp256r1_sha256 0x0403 | |
2149 | #define TLSEXT_SIGALG_ecdsa_secp384r1_sha384 0x0503 | |
2150 | #define TLSEXT_SIGALG_ecdsa_secp521r1_sha512 0x0603 | |
d8311fc9 | 2151 | #define TLSEXT_SIGALG_ecdsa_sha224 0x0303 |
703bcee0 | 2152 | #define TLSEXT_SIGALG_ecdsa_sha1 0x0203 |
f55e99f7 BK |
2153 | #define TLSEXT_SIGALG_rsa_pss_rsae_sha256 0x0804 |
2154 | #define TLSEXT_SIGALG_rsa_pss_rsae_sha384 0x0805 | |
2155 | #define TLSEXT_SIGALG_rsa_pss_rsae_sha512 0x0806 | |
2156 | #define TLSEXT_SIGALG_rsa_pss_pss_sha256 0x0809 | |
2157 | #define TLSEXT_SIGALG_rsa_pss_pss_sha384 0x080a | |
2158 | #define TLSEXT_SIGALG_rsa_pss_pss_sha512 0x080b | |
703bcee0 MC |
2159 | #define TLSEXT_SIGALG_rsa_pkcs1_sha256 0x0401 |
2160 | #define TLSEXT_SIGALG_rsa_pkcs1_sha384 0x0501 | |
2161 | #define TLSEXT_SIGALG_rsa_pkcs1_sha512 0x0601 | |
d8311fc9 | 2162 | #define TLSEXT_SIGALG_rsa_pkcs1_sha224 0x0301 |
703bcee0 MC |
2163 | #define TLSEXT_SIGALG_rsa_pkcs1_sha1 0x0201 |
2164 | #define TLSEXT_SIGALG_dsa_sha256 0x0402 | |
2165 | #define TLSEXT_SIGALG_dsa_sha384 0x0502 | |
2166 | #define TLSEXT_SIGALG_dsa_sha512 0x0602 | |
d8311fc9 | 2167 | #define TLSEXT_SIGALG_dsa_sha224 0x0302 |
703bcee0 | 2168 | #define TLSEXT_SIGALG_dsa_sha1 0x0202 |
6f892296 NM |
2169 | #define TLSEXT_SIGALG_gostr34102012_256_intrinsic 0x0840 |
2170 | #define TLSEXT_SIGALG_gostr34102012_512_intrinsic 0x0841 | |
703bcee0 MC |
2171 | #define TLSEXT_SIGALG_gostr34102012_256_gostr34112012_256 0xeeee |
2172 | #define TLSEXT_SIGALG_gostr34102012_512_gostr34112012_512 0xefef | |
2173 | #define TLSEXT_SIGALG_gostr34102001_gostr3411 0xeded | |
2174 | ||
3d234c9e | 2175 | #define TLSEXT_SIGALG_ed25519 0x0807 |
0e1d6ecf | 2176 | #define TLSEXT_SIGALG_ed448 0x0808 |
3d234c9e | 2177 | |
b2f7e8c0 MC |
2178 | /* Known PSK key exchange modes */ |
2179 | #define TLSEXT_KEX_MODE_KE 0x00 | |
2180 | #define TLSEXT_KEX_MODE_KE_DHE 0x01 | |
2181 | ||
2182 | /* | |
2183 | * Internal representations of key exchange modes | |
2184 | */ | |
2185 | #define TLSEXT_KEX_MODE_FLAG_NONE 0 | |
2186 | #define TLSEXT_KEX_MODE_FLAG_KE 1 | |
2187 | #define TLSEXT_KEX_MODE_FLAG_KE_DHE 2 | |
2188 | ||
555cbb32 TS |
2189 | #define SSL_USE_PSS(s) (s->s3.tmp.peer_sigalg != NULL && \ |
2190 | s->s3.tmp.peer_sigalg->sig == EVP_PKEY_RSA_PSS) | |
fe3066ee | 2191 | |
703bcee0 MC |
2192 | /* A dummy signature value not valid for TLSv1.2 signature algs */ |
2193 | #define TLSEXT_signature_rsa_pss 0x0101 | |
2194 | ||
643a3580 MC |
2195 | /* TLSv1.3 downgrade protection sentinel values */ |
2196 | extern const unsigned char tls11downgrade[8]; | |
2197 | extern const unsigned char tls12downgrade[8]; | |
703bcee0 | 2198 | |
3ed449e9 | 2199 | extern SSL3_ENC_METHOD ssl3_undef_enc_method; |
7d7d2cbc | 2200 | |
2b8fa1d5 KR |
2201 | __owur const SSL_METHOD *ssl_bad_method(int ver); |
2202 | __owur const SSL_METHOD *sslv3_method(void); | |
2203 | __owur const SSL_METHOD *sslv3_server_method(void); | |
2204 | __owur const SSL_METHOD *sslv3_client_method(void); | |
2205 | __owur const SSL_METHOD *tlsv1_method(void); | |
2206 | __owur const SSL_METHOD *tlsv1_server_method(void); | |
2207 | __owur const SSL_METHOD *tlsv1_client_method(void); | |
2208 | __owur const SSL_METHOD *tlsv1_1_method(void); | |
2209 | __owur const SSL_METHOD *tlsv1_1_server_method(void); | |
2210 | __owur const SSL_METHOD *tlsv1_1_client_method(void); | |
2211 | __owur const SSL_METHOD *tlsv1_2_method(void); | |
2212 | __owur const SSL_METHOD *tlsv1_2_server_method(void); | |
2213 | __owur const SSL_METHOD *tlsv1_2_client_method(void); | |
582a17d6 MC |
2214 | __owur const SSL_METHOD *tlsv1_3_method(void); |
2215 | __owur const SSL_METHOD *tlsv1_3_server_method(void); | |
2216 | __owur const SSL_METHOD *tlsv1_3_client_method(void); | |
2b8fa1d5 KR |
2217 | __owur const SSL_METHOD *dtlsv1_method(void); |
2218 | __owur const SSL_METHOD *dtlsv1_server_method(void); | |
2219 | __owur const SSL_METHOD *dtlsv1_client_method(void); | |
032924c4 | 2220 | __owur const SSL_METHOD *dtls_bad_ver_client_method(void); |
2b8fa1d5 KR |
2221 | __owur const SSL_METHOD *dtlsv1_2_method(void); |
2222 | __owur const SSL_METHOD *dtlsv1_2_server_method(void); | |
2223 | __owur const SSL_METHOD *dtlsv1_2_client_method(void); | |
d02b48c6 | 2224 | |
161e0a61 BL |
2225 | extern const SSL3_ENC_METHOD TLSv1_enc_data; |
2226 | extern const SSL3_ENC_METHOD TLSv1_1_enc_data; | |
2227 | extern const SSL3_ENC_METHOD TLSv1_2_enc_data; | |
582a17d6 | 2228 | extern const SSL3_ENC_METHOD TLSv1_3_enc_data; |
8892ce77 BL |
2229 | extern const SSL3_ENC_METHOD SSLv3_enc_data; |
2230 | extern const SSL3_ENC_METHOD DTLSv1_enc_data; | |
2231 | extern const SSL3_ENC_METHOD DTLSv1_2_enc_data; | |
f3b656b2 | 2232 | |
4fa52141 VD |
2233 | /* |
2234 | * Flags for SSL methods | |
2235 | */ | |
a230b26e EK |
2236 | # define SSL_METHOD_NO_FIPS (1U<<0) |
2237 | # define SSL_METHOD_NO_SUITEB (1U<<1) | |
4fa52141 VD |
2238 | |
2239 | # define IMPLEMENT_tls_meth_func(version, flags, mask, func_name, s_accept, \ | |
ccae4a15 | 2240 | s_connect, enc_data) \ |
4ebb342f | 2241 | const SSL_METHOD *func_name(void) \ |
0f113f3e MC |
2242 | { \ |
2243 | static const SSL_METHOD func_name##_data= { \ | |
2244 | version, \ | |
4fa52141 VD |
2245 | flags, \ |
2246 | mask, \ | |
0f113f3e MC |
2247 | tls1_new, \ |
2248 | tls1_clear, \ | |
2249 | tls1_free, \ | |
2250 | s_accept, \ | |
2251 | s_connect, \ | |
2252 | ssl3_read, \ | |
2253 | ssl3_peek, \ | |
2254 | ssl3_write, \ | |
2255 | ssl3_shutdown, \ | |
2256 | ssl3_renegotiate, \ | |
2257 | ssl3_renegotiate_check, \ | |
0f113f3e MC |
2258 | ssl3_read_bytes, \ |
2259 | ssl3_write_bytes, \ | |
2260 | ssl3_dispatch_alert, \ | |
2261 | ssl3_ctrl, \ | |
2262 | ssl3_ctx_ctrl, \ | |
2263 | ssl3_get_cipher_by_char, \ | |
2264 | ssl3_put_cipher_by_char, \ | |
2265 | ssl3_pending, \ | |
2266 | ssl3_num_ciphers, \ | |
2267 | ssl3_get_cipher, \ | |
0f113f3e MC |
2268 | tls1_default_timeout, \ |
2269 | &enc_data, \ | |
2270 | ssl_undefined_void_function, \ | |
2271 | ssl3_callback_ctrl, \ | |
2272 | ssl3_ctx_callback_ctrl, \ | |
2273 | }; \ | |
2274 | return &func_name##_data; \ | |
2275 | } | |
2276 | ||
ccae4a15 | 2277 | # define IMPLEMENT_ssl3_meth_func(func_name, s_accept, s_connect) \ |
4ebb342f | 2278 | const SSL_METHOD *func_name(void) \ |
0f113f3e MC |
2279 | { \ |
2280 | static const SSL_METHOD func_name##_data= { \ | |
2281 | SSL3_VERSION, \ | |
4fa52141 VD |
2282 | SSL_METHOD_NO_FIPS | SSL_METHOD_NO_SUITEB, \ |
2283 | SSL_OP_NO_SSLv3, \ | |
0f113f3e MC |
2284 | ssl3_new, \ |
2285 | ssl3_clear, \ | |
2286 | ssl3_free, \ | |
2287 | s_accept, \ | |
2288 | s_connect, \ | |
2289 | ssl3_read, \ | |
2290 | ssl3_peek, \ | |
2291 | ssl3_write, \ | |
2292 | ssl3_shutdown, \ | |
2293 | ssl3_renegotiate, \ | |
2294 | ssl3_renegotiate_check, \ | |
0f113f3e MC |
2295 | ssl3_read_bytes, \ |
2296 | ssl3_write_bytes, \ | |
2297 | ssl3_dispatch_alert, \ | |
2298 | ssl3_ctrl, \ | |
2299 | ssl3_ctx_ctrl, \ | |
2300 | ssl3_get_cipher_by_char, \ | |
2301 | ssl3_put_cipher_by_char, \ | |
2302 | ssl3_pending, \ | |
2303 | ssl3_num_ciphers, \ | |
2304 | ssl3_get_cipher, \ | |
0f113f3e MC |
2305 | ssl3_default_timeout, \ |
2306 | &SSLv3_enc_data, \ | |
2307 | ssl_undefined_void_function, \ | |
2308 | ssl3_callback_ctrl, \ | |
2309 | ssl3_ctx_callback_ctrl, \ | |
2310 | }; \ | |
2311 | return &func_name##_data; \ | |
2312 | } | |
2313 | ||
4fa52141 | 2314 | # define IMPLEMENT_dtls1_meth_func(version, flags, mask, func_name, s_accept, \ |
ccae4a15 | 2315 | s_connect, enc_data) \ |
4ebb342f | 2316 | const SSL_METHOD *func_name(void) \ |
0f113f3e MC |
2317 | { \ |
2318 | static const SSL_METHOD func_name##_data= { \ | |
2319 | version, \ | |
4fa52141 VD |
2320 | flags, \ |
2321 | mask, \ | |
0f113f3e MC |
2322 | dtls1_new, \ |
2323 | dtls1_clear, \ | |
2324 | dtls1_free, \ | |
2325 | s_accept, \ | |
2326 | s_connect, \ | |
2327 | ssl3_read, \ | |
2328 | ssl3_peek, \ | |
2329 | ssl3_write, \ | |
2330 | dtls1_shutdown, \ | |
2331 | ssl3_renegotiate, \ | |
2332 | ssl3_renegotiate_check, \ | |
0f113f3e MC |
2333 | dtls1_read_bytes, \ |
2334 | dtls1_write_app_data_bytes, \ | |
2335 | dtls1_dispatch_alert, \ | |
2336 | dtls1_ctrl, \ | |
2337 | ssl3_ctx_ctrl, \ | |
2338 | ssl3_get_cipher_by_char, \ | |
2339 | ssl3_put_cipher_by_char, \ | |
2340 | ssl3_pending, \ | |
2341 | ssl3_num_ciphers, \ | |
ca3895f0 | 2342 | ssl3_get_cipher, \ |
0f113f3e MC |
2343 | dtls1_default_timeout, \ |
2344 | &enc_data, \ | |
2345 | ssl_undefined_void_function, \ | |
2346 | ssl3_callback_ctrl, \ | |
2347 | ssl3_ctx_callback_ctrl, \ | |
2348 | }; \ | |
2349 | return &func_name##_data; \ | |
2350 | } | |
2351 | ||
2352 | struct openssl_ssl_test_functions { | |
46417569 | 2353 | int (*p_ssl_init_wbio_buffer) (SSL *s); |
0f113f3e | 2354 | int (*p_ssl3_setup_buffers) (SSL *s); |
0f113f3e MC |
2355 | }; |
2356 | ||
3eb2aff4 | 2357 | const char *ssl_protocol_to_string(int version); |
7d650072 | 2358 | |
4020c0b3 DSH |
2359 | /* Returns true if certificate and private key for 'idx' are present */ |
2360 | static ossl_inline int ssl_has_cert(const SSL *s, int idx) | |
2361 | { | |
2362 | if (idx < 0 || idx >= SSL_PKEY_NUM) | |
2363 | return 0; | |
2364 | return s->cert->pkeys[idx].x509 != NULL | |
2365 | && s->cert->pkeys[idx].privatekey != NULL; | |
2366 | } | |
2367 | ||
ff6d20a6 DSH |
2368 | static ossl_inline void tls1_get_peer_groups(SSL *s, const uint16_t **pgroups, |
2369 | size_t *pgroupslen) | |
2370 | { | |
45436e61 MC |
2371 | *pgroups = s->ext.peer_supportedgroups; |
2372 | *pgroupslen = s->ext.peer_supportedgroups_len; | |
ff6d20a6 DSH |
2373 | } |
2374 | ||
0f113f3e | 2375 | # ifndef OPENSSL_UNIT_TEST |
e0fc7961 | 2376 | |
4ee7d3f9 KR |
2377 | __owur int ssl_read_internal(SSL *s, void *buf, size_t num, size_t *readbytes); |
2378 | __owur int ssl_write_internal(SSL *s, const void *buf, size_t num, size_t *written); | |
d02b48c6 RE |
2379 | void ssl_clear_cipher_ctx(SSL *s); |
2380 | int ssl_clear_bad_session(SSL *s); | |
4bcdb4a6 MC |
2381 | __owur CERT *ssl_cert_new(void); |
2382 | __owur CERT *ssl_cert_dup(CERT *cert); | |
a5ee80b9 | 2383 | void ssl_cert_clear_certs(CERT *c); |
d02b48c6 | 2384 | void ssl_cert_free(CERT *c); |
a84e5c9a | 2385 | __owur int ssl_generate_session_id(SSL *s, SSL_SESSION *ss); |
4bcdb4a6 | 2386 | __owur int ssl_get_new_session(SSL *s, int session); |
6cc0b3c2 MC |
2387 | __owur SSL_SESSION *lookup_sess_in_cache(SSL *s, const unsigned char *sess_id, |
2388 | size_t sess_id_len); | |
f63a17d6 | 2389 | __owur int ssl_get_prev_session(SSL *s, CLIENTHELLO_MSG *hello); |
9fdcc21f | 2390 | __owur SSL_SESSION *ssl_session_dup(const SSL_SESSION *src, int ticket); |
4bcdb4a6 | 2391 | __owur int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b); |
0f113f3e | 2392 | DECLARE_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, ssl_cipher_id); |
4bcdb4a6 | 2393 | __owur int ssl_cipher_ptr_id_cmp(const SSL_CIPHER *const *ap, |
a230b26e | 2394 | const SSL_CIPHER *const *bp); |
a68eee67 | 2395 | __owur STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(SSL_CTX *ctx, |
f865b081 MC |
2396 | STACK_OF(SSL_CIPHER) *tls13_ciphersuites, |
2397 | STACK_OF(SSL_CIPHER) **cipher_list, | |
2398 | STACK_OF(SSL_CIPHER) **cipher_list_by_id, | |
a230b26e EK |
2399 | const char *rule_str, |
2400 | CERT *c); | |
f63a17d6 | 2401 | __owur int ssl_cache_cipherlist(SSL *s, PACKET *cipher_suites, int sslv2format); |
90134d98 BK |
2402 | __owur int bytes_to_cipher_list(SSL *s, PACKET *cipher_suites, |
2403 | STACK_OF(SSL_CIPHER) **skp, | |
2404 | STACK_OF(SSL_CIPHER) **scsvs, int sslv2format, | |
f63a17d6 | 2405 | int fatal); |
d02b48c6 | 2406 | void ssl_update_cache(SSL *s, int mode); |
9727f4e7 MC |
2407 | __owur int ssl_cipher_get_evp_cipher(SSL_CTX *ctx, const SSL_CIPHER *sslc, |
2408 | const EVP_CIPHER **enc); | |
c8f6c28a MC |
2409 | __owur int ssl_cipher_get_evp(SSL_CTX *ctxc, const SSL_SESSION *s, |
2410 | const EVP_CIPHER **enc, const EVP_MD **md, | |
2411 | int *mac_pkey_type, size_t *mac_secret_size, | |
2412 | SSL_COMP **comp, int use_etm); | |
045bd047 DW |
2413 | __owur int ssl_cipher_get_overhead(const SSL_CIPHER *c, size_t *mac_overhead, |
2414 | size_t *int_overhead, size_t *blocksize, | |
2415 | size_t *ext_overhead); | |
a68eee67 | 2416 | __owur int ssl_cert_is_disabled(SSL_CTX *ctx, size_t idx); |
a230b26e | 2417 | __owur const SSL_CIPHER *ssl_get_cipher_by_char(SSL *ssl, |
60d685d1 BK |
2418 | const unsigned char *ptr, |
2419 | int all); | |
4bcdb4a6 MC |
2420 | __owur int ssl_cert_set0_chain(SSL *s, SSL_CTX *ctx, STACK_OF(X509) *chain); |
2421 | __owur int ssl_cert_set1_chain(SSL *s, SSL_CTX *ctx, STACK_OF(X509) *chain); | |
2422 | __owur int ssl_cert_add0_chain_cert(SSL *s, SSL_CTX *ctx, X509 *x); | |
2423 | __owur int ssl_cert_add1_chain_cert(SSL *s, SSL_CTX *ctx, X509 *x); | |
2424 | __owur int ssl_cert_select_current(CERT *c, X509 *x); | |
2425 | __owur int ssl_cert_set_current(CERT *c, long arg); | |
a230b26e | 2426 | void ssl_cert_set_cert_cb(CERT *c, int (*cb) (SSL *ssl, void *arg), void *arg); |
f71c6e52 | 2427 | |
4bcdb4a6 | 2428 | __owur int ssl_verify_cert_chain(SSL *s, STACK_OF(X509) *sk); |
4bcdb4a6 | 2429 | __owur int ssl_build_cert_chain(SSL *s, SSL_CTX *ctx, int flags); |
a230b26e EK |
2430 | __owur int ssl_cert_set_cert_store(CERT *c, X509_STORE *store, int chain, |
2431 | int ref); | |
b362ccab | 2432 | |
e4646a89 | 2433 | __owur int ssl_security(const SSL *s, int op, int bits, int nid, void *other); |
a230b26e EK |
2434 | __owur int ssl_ctx_security(const SSL_CTX *ctx, int op, int bits, int nid, |
2435 | void *other); | |
b362ccab | 2436 | |
11d2641f | 2437 | __owur int ssl_cert_lookup_by_nid(int nid, size_t *pidx); |
c04cd728 DSH |
2438 | __owur const SSL_CERT_LOOKUP *ssl_cert_lookup_by_pkey(const EVP_PKEY *pk, |
2439 | size_t *pidx); | |
2440 | __owur const SSL_CERT_LOOKUP *ssl_cert_lookup_by_idx(size_t idx); | |
2441 | ||
d02b48c6 | 2442 | int ssl_undefined_function(SSL *s); |
4bcdb4a6 MC |
2443 | __owur int ssl_undefined_void_function(void); |
2444 | __owur int ssl_undefined_const_function(const SSL *s); | |
a230b26e EK |
2445 | __owur int ssl_get_server_cert_serverinfo(SSL *s, |
2446 | const unsigned char **serverinfo, | |
2447 | size_t *serverinfo_length); | |
2cf28d61 | 2448 | void ssl_set_masks(SSL *s); |
4bcdb4a6 | 2449 | __owur STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s); |
c6d38183 | 2450 | __owur int ssl_x509err2alert(int type); |
748f2546 | 2451 | void ssl_sort_cipher_list(void); |
c8f6c28a | 2452 | int ssl_load_ciphers(SSL_CTX *ctx); |
263ff2c9 | 2453 | __owur int ssl_setup_sig_algs(SSL_CTX *ctx); |
9d2d857f | 2454 | int ssl_load_groups(SSL_CTX *ctx); |
a230b26e | 2455 | __owur int ssl_fill_hello_random(SSL *s, int server, unsigned char *field, |
f7f2a01d | 2456 | size_t len, DOWNGRADE dgrd); |
57b272b0 DSH |
2457 | __owur int ssl_generate_master_secret(SSL *s, unsigned char *pms, size_t pmslen, |
2458 | int free_pms); | |
0f00ed77 | 2459 | __owur EVP_PKEY *ssl_generate_pkey(SSL *s, EVP_PKEY *pm); |
8b17fbaf | 2460 | __owur int ssl_gensecret(SSL *s, unsigned char *pms, size_t pmslen); |
0f1e51ea MC |
2461 | __owur int ssl_derive(SSL *s, EVP_PKEY *privkey, EVP_PKEY *pubkey, |
2462 | int genmaster); | |
a011b586 NT |
2463 | __owur int ssl_decapsulate(SSL *s, EVP_PKEY *privkey, |
2464 | const unsigned char *ct, size_t ctlen, | |
2465 | int gensecret); | |
8b17fbaf NT |
2466 | __owur int ssl_encapsulate(SSL *s, EVP_PKEY *pubkey, |
2467 | unsigned char **ctp, size_t *ctlenp, | |
2468 | int gensecret); | |
6c4e6670 | 2469 | __owur EVP_PKEY *ssl_dh_to_pkey(DH *dh); |
0c8e98e6 TM |
2470 | __owur int ssl_set_tmp_ecdh_groups(uint16_t **pext, size_t *pextlen, |
2471 | void *key); | |
cf72c757 F |
2472 | __owur unsigned int ssl_get_max_send_fragment(const SSL *ssl); |
2473 | __owur unsigned int ssl_get_split_send_fragment(const SSL *ssl); | |
d02b48c6 | 2474 | |
ec15acb6 | 2475 | __owur const SSL_CIPHER *ssl3_get_cipher_by_id(uint32_t id); |
bbb4ceb8 | 2476 | __owur const SSL_CIPHER *ssl3_get_cipher_by_std_name(const char *stdname); |
4bcdb4a6 | 2477 | __owur const SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p); |
ae2f7b37 | 2478 | __owur int ssl3_put_cipher_by_char(const SSL_CIPHER *c, WPACKET *pkt, |
2c7b4dbc | 2479 | size_t *len); |
2c4a056f | 2480 | int ssl3_init_finished_mac(SSL *s); |
4bcdb4a6 | 2481 | __owur int ssl3_setup_key_block(SSL *s); |
4bcdb4a6 | 2482 | __owur int ssl3_change_cipher_state(SSL *s, int which); |
d02b48c6 | 2483 | void ssl3_cleanup_key_block(SSL *s); |
4bcdb4a6 | 2484 | __owur int ssl3_do_write(SSL *s, int type); |
0f113f3e | 2485 | int ssl3_send_alert(SSL *s, int level, int desc); |
4bcdb4a6 | 2486 | __owur int ssl3_generate_master_secret(SSL *s, unsigned char *out, |
8c1a5343 MC |
2487 | unsigned char *p, size_t len, |
2488 | size_t *secret_size); | |
28ff8ef3 | 2489 | __owur int ssl3_get_req_cert_type(SSL *s, WPACKET *pkt); |
4bcdb4a6 MC |
2490 | __owur int ssl3_num_ciphers(void); |
2491 | __owur const SSL_CIPHER *ssl3_get_cipher(unsigned int u); | |
0f113f3e | 2492 | int ssl3_renegotiate(SSL *ssl); |
c7f47786 | 2493 | int ssl3_renegotiate_check(SSL *ssl, int initok); |
d5e5e2ff SL |
2494 | void ssl3_digest_master_key_set_params(const SSL_SESSION *session, |
2495 | OSSL_PARAM params[]); | |
4bcdb4a6 | 2496 | __owur int ssl3_dispatch_alert(SSL *s); |
6db6bc5a | 2497 | __owur size_t ssl3_final_finish_mac(SSL *s, const char *sender, size_t slen, |
12472b45 | 2498 | unsigned char *p); |
7ee8627f | 2499 | __owur int ssl3_finish_mac(SSL *s, const unsigned char *buf, size_t len); |
81025661 | 2500 | void ssl3_free_digest_list(SSL *s); |
7cea05dc | 2501 | __owur unsigned long ssl3_output_cert_chain(SSL *s, WPACKET *pkt, |
f63a17d6 | 2502 | CERT_PKEY *cpk); |
4a640fb6 DSH |
2503 | __owur const SSL_CIPHER *ssl3_choose_cipher(SSL *ssl, |
2504 | STACK_OF(SSL_CIPHER) *clnt, | |
2505 | STACK_OF(SSL_CIPHER) *srvr); | |
124037fd | 2506 | __owur int ssl3_digest_cached_records(SSL *s, int keep); |
4bcdb4a6 | 2507 | __owur int ssl3_new(SSL *s); |
0f113f3e | 2508 | void ssl3_free(SSL *s); |
54105ddd MC |
2509 | __owur int ssl3_read(SSL *s, void *buf, size_t len, size_t *readbytes); |
2510 | __owur int ssl3_peek(SSL *s, void *buf, size_t len, size_t *readbytes); | |
7ee8627f | 2511 | __owur int ssl3_write(SSL *s, const void *buf, size_t len, size_t *written); |
4bcdb4a6 | 2512 | __owur int ssl3_shutdown(SSL *s); |
b77f3ed1 | 2513 | int ssl3_clear(SSL *s); |
4bcdb4a6 MC |
2514 | __owur long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg); |
2515 | __owur long ssl3_ctx_ctrl(SSL_CTX *s, int cmd, long larg, void *parg); | |
2516 | __owur long ssl3_callback_ctrl(SSL *s, int cmd, void (*fp) (void)); | |
2517 | __owur long ssl3_ctx_callback_ctrl(SSL_CTX *s, int cmd, void (*fp) (void)); | |
d02b48c6 | 2518 | |
4bcdb4a6 MC |
2519 | __owur int ssl3_do_change_cipher_spec(SSL *ssl); |
2520 | __owur long ssl3_default_timeout(void); | |
f3b656b2 | 2521 | |
a29fa98c | 2522 | __owur int ssl3_set_handshake_header(SSL *s, WPACKET *pkt, int htype); |
4a01c59f | 2523 | __owur int tls_close_construct_packet(SSL *s, WPACKET *pkt, int htype); |
c7f47786 | 2524 | __owur int tls_setup_handshake(SSL *s); |
a29fa98c | 2525 | __owur int dtls1_set_handshake_header(SSL *s, WPACKET *pkt, int htype); |
4a01c59f | 2526 | __owur int dtls1_close_construct_packet(SSL *s, WPACKET *pkt, int htype); |
4bcdb4a6 MC |
2527 | __owur int ssl3_handshake_write(SSL *s); |
2528 | ||
4bcdb4a6 MC |
2529 | __owur int ssl_allow_compression(SSL *s); |
2530 | ||
4fd12788 MC |
2531 | __owur int ssl_version_supported(const SSL *s, int version, |
2532 | const SSL_METHOD **meth); | |
ccae4a15 | 2533 | |
4fa52141 VD |
2534 | __owur int ssl_set_client_hello_version(SSL *s); |
2535 | __owur int ssl_check_version_downgrade(SSL *s); | |
2536 | __owur int ssl_set_version_bound(int method_version, int version, int *bound); | |
f7f2a01d MC |
2537 | __owur int ssl_choose_server_version(SSL *s, CLIENTHELLO_MSG *hello, |
2538 | DOWNGRADE *dgrd); | |
88050dd1 MC |
2539 | __owur int ssl_choose_client_version(SSL *s, int version, |
2540 | RAW_EXTENSION *extensions); | |
1d0c08b4 | 2541 | __owur int ssl_get_min_max_version(const SSL *s, int *min_version, |
b5b993b2 | 2542 | int *max_version, int *real_max); |
4fa52141 | 2543 | |
4bcdb4a6 MC |
2544 | __owur long tls1_default_timeout(void); |
2545 | __owur int dtls1_do_write(SSL *s, int type); | |
4bcdb4a6 | 2546 | void dtls1_set_message_header(SSL *s, |
a773b52a | 2547 | unsigned char mt, |
d736bc1a MC |
2548 | size_t len, |
2549 | size_t frag_off, size_t frag_len); | |
4bcdb4a6 | 2550 | |
7ee8627f MC |
2551 | int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf_, size_t len, |
2552 | size_t *written); | |
4bcdb4a6 | 2553 | |
4bcdb4a6 MC |
2554 | __owur int dtls1_read_failed(SSL *s, int code); |
2555 | __owur int dtls1_buffer_message(SSL *s, int ccs); | |
a773b52a | 2556 | __owur int dtls1_retransmit_message(SSL *s, unsigned short seq, int *found); |
4bcdb4a6 | 2557 | __owur int dtls1_get_queue_priority(unsigned short seq, int is_ccs); |
17dd65e6 | 2558 | int dtls1_retransmit_buffered_messages(SSL *s); |
f5c7f5df MC |
2559 | void dtls1_clear_received_buffer(SSL *s); |
2560 | void dtls1_clear_sent_buffer(SSL *s); | |
0f113f3e MC |
2561 | void dtls1_get_message_header(unsigned char *data, |
2562 | struct hm_header_st *msg_hdr); | |
4bcdb4a6 MC |
2563 | __owur long dtls1_default_timeout(void); |
2564 | __owur struct timeval *dtls1_get_timeout(SSL *s, struct timeval *timeleft); | |
2565 | __owur int dtls1_check_timeout_num(SSL *s); | |
2566 | __owur int dtls1_handle_timeout(SSL *s); | |
9289f21b DSH |
2567 | void dtls1_start_timer(SSL *s); |
2568 | void dtls1_stop_timer(SSL *s); | |
4bcdb4a6 | 2569 | __owur int dtls1_is_timer_expired(SSL *s); |
9289f21b | 2570 | void dtls1_double_timeout(SSL *s); |
c536b6be | 2571 | __owur int dtls_raw_hello_verify_request(WPACKET *pkt, unsigned char *cookie, |
cb150cbc | 2572 | size_t cookie_len); |
7ee8627f | 2573 | __owur size_t dtls1_min_mtu(SSL *s); |
8a35dbb6 | 2574 | void dtls1_hm_fragment_free(hm_fragment *frag); |
8ba708e5 | 2575 | __owur int dtls1_query_mtu(SSL *s); |
480506bd | 2576 | |
4bcdb4a6 | 2577 | __owur int tls1_new(SSL *s); |
58964a49 | 2578 | void tls1_free(SSL *s); |
b77f3ed1 | 2579 | int tls1_clear(SSL *s); |
58964a49 | 2580 | |
4bcdb4a6 | 2581 | __owur int dtls1_new(SSL *s); |
36d16f8e | 2582 | void dtls1_free(SSL *s); |
b77f3ed1 | 2583 | int dtls1_clear(SSL *s); |
0f113f3e | 2584 | long dtls1_ctrl(SSL *s, int cmd, long larg, void *parg); |
4bcdb4a6 | 2585 | __owur int dtls1_shutdown(SSL *s); |
36d16f8e | 2586 | |
4bcdb4a6 | 2587 | __owur int dtls1_dispatch_alert(SSL *s); |
36d16f8e | 2588 | |
46417569 | 2589 | __owur int ssl_init_wbio_buffer(SSL *s); |
b77f3ed1 | 2590 | int ssl_free_wbio_buffer(SSL *s); |
58964a49 | 2591 | |
4bcdb4a6 MC |
2592 | __owur int tls1_change_cipher_state(SSL *s, int which); |
2593 | __owur int tls1_setup_key_block(SSL *s); | |
6db6bc5a | 2594 | __owur size_t tls1_final_finish_mac(SSL *s, const char *str, size_t slen, |
12472b45 | 2595 | unsigned char *p); |
4bcdb4a6 | 2596 | __owur int tls1_generate_master_secret(SSL *s, unsigned char *out, |
8c1a5343 MC |
2597 | unsigned char *p, size_t len, |
2598 | size_t *secret_size); | |
92760c21 MC |
2599 | __owur int tls13_setup_key_block(SSL *s); |
2600 | __owur size_t tls13_final_finish_mac(SSL *s, const char *str, size_t slen, | |
2601 | unsigned char *p); | |
0d9824c1 | 2602 | __owur int tls13_change_cipher_state(SSL *s, int which); |
c2fd15f6 | 2603 | __owur int tls13_update_key(SSL *s, int send); |
ec15acb6 MC |
2604 | __owur int tls13_hkdf_expand(SSL *s, const EVP_MD *md, |
2605 | const unsigned char *secret, | |
ace081c1 | 2606 | const unsigned char *label, size_t labellen, |
a19ae67d | 2607 | const unsigned char *data, size_t datalen, |
0fb2815b | 2608 | unsigned char *out, size_t outlen, int fatal); |
d49e23ec MC |
2609 | __owur int tls13_derive_key(SSL *s, const EVP_MD *md, |
2610 | const unsigned char *secret, unsigned char *key, | |
2611 | size_t keylen); | |
2612 | __owur int tls13_derive_iv(SSL *s, const EVP_MD *md, | |
2613 | const unsigned char *secret, unsigned char *iv, | |
2614 | size_t ivlen); | |
ec15acb6 MC |
2615 | __owur int tls13_derive_finishedkey(SSL *s, const EVP_MD *md, |
2616 | const unsigned char *secret, | |
2617 | unsigned char *fin, size_t finlen); | |
2618 | int tls13_generate_secret(SSL *s, const EVP_MD *md, | |
2619 | const unsigned char *prevsecret, | |
2620 | const unsigned char *insecret, | |
2621 | size_t insecretlen, | |
2622 | unsigned char *outsecret); | |
34574f19 MC |
2623 | __owur int tls13_generate_handshake_secret(SSL *s, |
2624 | const unsigned char *insecret, | |
2625 | size_t insecretlen); | |
2626 | __owur int tls13_generate_master_secret(SSL *s, unsigned char *out, | |
2627 | unsigned char *prev, size_t prevlen, | |
2628 | size_t *secret_size); | |
4bcdb4a6 | 2629 | __owur int tls1_export_keying_material(SSL *s, unsigned char *out, size_t olen, |
a230b26e EK |
2630 | const char *label, size_t llen, |
2631 | const unsigned char *p, size_t plen, | |
2632 | int use_context); | |
0ca8d1ec MC |
2633 | __owur int tls13_export_keying_material(SSL *s, unsigned char *out, size_t olen, |
2634 | const char *label, size_t llen, | |
2635 | const unsigned char *context, | |
2636 | size_t contextlen, int use_context); | |
b38ede80 TT |
2637 | __owur int tls13_export_keying_material_early(SSL *s, unsigned char *out, |
2638 | size_t olen, const char *label, | |
2639 | size_t llen, | |
2640 | const unsigned char *context, | |
2641 | size_t contextlen); | |
4bcdb4a6 | 2642 | __owur int tls1_alert_code(int code); |
04904312 | 2643 | __owur int tls13_alert_code(int code); |
4bcdb4a6 | 2644 | __owur int ssl3_alert_code(int code); |
58964a49 | 2645 | |
4bcdb4a6 | 2646 | __owur int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s); |
41fdcfa7 | 2647 | |
f73e07cf | 2648 | SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n); |
413c4f45 | 2649 | |
9d2d857f | 2650 | __owur const TLS_GROUP_INFO *tls1_group_id_lookup(SSL_CTX *ctx, uint16_t curve_id); |
260009d8 | 2651 | __owur int tls1_group_id2nid(uint16_t group_id, int include_unknown); |
becbacd7 | 2652 | __owur uint16_t tls1_nid2group_id(int nid); |
dcf8b01f | 2653 | __owur int tls1_check_group_id(SSL *s, uint16_t group_id, int check_own_curves); |
8841154a | 2654 | __owur uint16_t tls1_shared_group(SSL *s, int nmatch); |
9e84a42d | 2655 | __owur int tls1_set_groups(uint16_t **pext, size_t *pextlen, |
a230b26e | 2656 | int *curves, size_t ncurves); |
260009d8 | 2657 | __owur int tls1_set_groups_list(SSL_CTX *ctx, uint16_t **pext, size_t *pextlen, |
a230b26e | 2658 | const char *str); |
f63a17d6 | 2659 | __owur EVP_PKEY *ssl_generate_pkey_group(SSL *s, uint16_t id); |
9d2d857f | 2660 | __owur int tls_valid_group(SSL *s, uint16_t group_id, int minversion, |
8b1db5d3 | 2661 | int maxversion, int isec, int *okfortls13); |
ada66e78 | 2662 | __owur EVP_PKEY *ssl_generate_param_group(SSL *s, uint16_t id); |
dbc6268f MC |
2663 | void tls1_get_formatlist(SSL *s, const unsigned char **pformats, |
2664 | size_t *num_formats); | |
2665 | __owur int tls1_check_ec_tmp_key(SSL *s, unsigned long id); | |
33273721 | 2666 | |
dbc6268f | 2667 | __owur int tls_group_allowed(SSL *s, uint16_t curve, int op); |
ff6d20a6 DSH |
2668 | void tls1_get_supported_groups(SSL *s, const uint16_t **pgroups, |
2669 | size_t *pgroupslen); | |
6b473aca | 2670 | |
4bcdb4a6 | 2671 | __owur int tls1_set_server_sigalgs(SSL *s); |
ddf6ec00 | 2672 | |
61fb5923 | 2673 | __owur SSL_TICKET_STATUS tls_get_ticket_from_client(SSL *s, CLIENTHELLO_MSG *hello, |
df0fed9a | 2674 | SSL_SESSION **ret); |
61fb5923 | 2675 | __owur SSL_TICKET_STATUS tls_decrypt_ticket(SSL *s, const unsigned char *etick, |
df0fed9a TS |
2676 | size_t eticklen, |
2677 | const unsigned char *sess_id, | |
2678 | size_t sesslen, SSL_SESSION **psess); | |
1053a6e2 | 2679 | |
7da160b0 | 2680 | __owur int tls_use_ticket(SSL *s); |
a2f9200f | 2681 | |
90d9e49a | 2682 | void ssl_set_sig_mask(uint32_t *pmask_a, SSL *s, int op); |
a2f9200f | 2683 | |
4bcdb4a6 | 2684 | __owur int tls1_set_sigalgs_list(CERT *c, const char *str, int client); |
fd5e1a8c BK |
2685 | __owur int tls1_set_raw_sigalgs(CERT *c, const uint16_t *psigs, size_t salglen, |
2686 | int client); | |
a230b26e EK |
2687 | __owur int tls1_set_sigalgs(CERT *c, const int *salg, size_t salglen, |
2688 | int client); | |
17dd65e6 | 2689 | int tls1_check_chain(SSL *s, X509 *x, EVP_PKEY *pk, STACK_OF(X509) *chain, |
0f113f3e | 2690 | int idx); |
d61ff83b | 2691 | void tls1_set_cert_validity(SSL *s); |
0f229cce | 2692 | |
a230b26e | 2693 | # ifndef OPENSSL_NO_CT |
4d482ee2 | 2694 | __owur int ssl_validate_ct(SSL *s); |
a230b26e | 2695 | # endif |
ed29e82a | 2696 | |
091f6074 | 2697 | __owur EVP_PKEY *ssl_get_auto_dh(SSL *s); |
b362ccab | 2698 | |
4bcdb4a6 | 2699 | __owur int ssl_security_cert(SSL *s, SSL_CTX *ctx, X509 *x, int vfy, int is_ee); |
a230b26e EK |
2700 | __owur int ssl_security_cert_chain(SSL *s, STACK_OF(X509) *sk, X509 *ex, |
2701 | int vfy); | |
b362ccab | 2702 | |
f63a17d6 | 2703 | int tls_choose_sigalg(SSL *s, int fatalerrs); |
93a77f9e | 2704 | |
4bcdb4a6 | 2705 | __owur EVP_MD_CTX *ssl_replace_hash(EVP_MD_CTX **hash, const EVP_MD *md); |
b948e2c5 | 2706 | void ssl_clear_hash_ctx(EVP_MD_CTX **hash); |
4bcdb4a6 | 2707 | __owur long ssl_get_algorithm2(SSL *s); |
ae2f7b37 | 2708 | __owur int tls12_copy_sigalgs(SSL *s, WPACKET *pkt, |
98c792d1 | 2709 | const uint16_t *psig, size_t psiglen); |
9e84a42d | 2710 | __owur int tls1_save_u16(PACKET *pkt, uint16_t **pdest, size_t *pdestlen); |
c589c34e | 2711 | __owur int tls1_save_sigalgs(SSL *s, PACKET *pkt, int cert); |
4bcdb4a6 | 2712 | __owur int tls1_process_sigalgs(SSL *s); |
0972bc5c | 2713 | __owur int tls1_set_peer_legacy_sigalg(SSL *s, const EVP_PKEY *pkey); |
c8f6c28a MC |
2714 | __owur int tls1_lookup_md(SSL_CTX *ctx, const SIGALG_LOOKUP *lu, |
2715 | const EVP_MD **pmd); | |
98c792d1 | 2716 | __owur size_t tls12_get_psigalgs(SSL *s, int sent, const uint16_t **psigs); |
de4dc598 | 2717 | __owur int tls_check_sigalg_curve(const SSL *s, int curve); |
f742cda8 | 2718 | __owur int tls12_check_peer_sigalg(SSL *s, uint16_t, EVP_PKEY *pkey); |
1d0c08b4 | 2719 | __owur int ssl_set_client_disabled(SSL *s); |
b0031e5d | 2720 | __owur int ssl_cipher_disabled(const SSL *s, const SSL_CIPHER *c, int op, int echde); |
1c78c43b | 2721 | |
8c1a5343 MC |
2722 | __owur int ssl_handshake_hash(SSL *s, unsigned char *out, size_t outlen, |
2723 | size_t *hashlen); | |
c8f6c28a | 2724 | __owur const EVP_MD *ssl_md(SSL_CTX *ctx, int idx); |
28ba2541 DSH |
2725 | __owur const EVP_MD *ssl_handshake_md(SSL *s); |
2726 | __owur const EVP_MD *ssl_prf_md(SSL *s); | |
48fbcbac | 2727 | |
2faa1b48 CB |
2728 | /* |
2729 | * ssl_log_rsa_client_key_exchange logs |premaster| to the SSL_CTX associated | |
2730 | * with |ssl|, if logging is enabled. It returns one on success and zero on | |
2731 | * failure. The entry is identified by the first 8 bytes of | |
2732 | * |encrypted_premaster|. | |
2733 | */ | |
2734 | __owur int ssl_log_rsa_client_key_exchange(SSL *ssl, | |
2735 | const uint8_t *encrypted_premaster, | |
2736 | size_t encrypted_premaster_len, | |
2737 | const uint8_t *premaster, | |
2738 | size_t premaster_len); | |
2739 | ||
2c7bd692 CB |
2740 | /* |
2741 | * ssl_log_secret logs |secret| to the SSL_CTX associated with |ssl|, if | |
2742 | * logging is available. It returns one on success and zero on failure. It tags | |
2743 | * the entry with |label|. | |
2faa1b48 | 2744 | */ |
2c7bd692 CB |
2745 | __owur int ssl_log_secret(SSL *ssl, const char *label, |
2746 | const uint8_t *secret, size_t secret_len); | |
2747 | ||
2748 | #define MASTER_SECRET_LABEL "CLIENT_RANDOM" | |
d49e23ec | 2749 | #define CLIENT_EARLY_LABEL "CLIENT_EARLY_TRAFFIC_SECRET" |
2c7bd692 CB |
2750 | #define CLIENT_HANDSHAKE_LABEL "CLIENT_HANDSHAKE_TRAFFIC_SECRET" |
2751 | #define SERVER_HANDSHAKE_LABEL "SERVER_HANDSHAKE_TRAFFIC_SECRET" | |
2752 | #define CLIENT_APPLICATION_LABEL "CLIENT_TRAFFIC_SECRET_0" | |
2753 | #define SERVER_APPLICATION_LABEL "SERVER_TRAFFIC_SECRET_0" | |
01a2a654 | 2754 | #define EARLY_EXPORTER_SECRET_LABEL "EARLY_EXPORTER_SECRET" |
6329ce8f | 2755 | #define EXPORTER_SECRET_LABEL "EXPORTER_SECRET" |
2faa1b48 | 2756 | |
c7b46b54 JB |
2757 | # ifndef OPENSSL_NO_KTLS |
2758 | /* ktls.c */ | |
2759 | int ktls_check_supported_cipher(const SSL *s, const EVP_CIPHER *c, | |
2760 | const EVP_CIPHER_CTX *dd); | |
2761 | int ktls_configure_crypto(const SSL *s, const EVP_CIPHER *c, EVP_CIPHER_CTX *dd, | |
2762 | void *rl_sequence, ktls_crypto_info_t *crypto_info, | |
2763 | unsigned char **rec_seq, unsigned char *iv, | |
2764 | unsigned char *key, unsigned char *mac_key, | |
2765 | size_t mac_secret_size); | |
2766 | # endif | |
2767 | ||
2acc020b | 2768 | /* s3_cbc.c */ |
4bcdb4a6 | 2769 | __owur char ssl3_cbc_record_digest_supported(const EVP_MD_CTX *ctx); |
3fddbb26 | 2770 | __owur int ssl3_cbc_digest_record(const EVP_MD *md, |
5f3d93e4 MC |
2771 | unsigned char *md_out, |
2772 | size_t *md_out_size, | |
4612eec3 | 2773 | const unsigned char *header, |
5f3d93e4 | 2774 | const unsigned char *data, |
e08f86dd | 2775 | size_t data_size, |
5f3d93e4 MC |
2776 | size_t data_plus_mac_plus_padding_size, |
2777 | const unsigned char *mac_secret, | |
d0e7c31d | 2778 | size_t mac_secret_length, char is_sslv3); |
0f113f3e | 2779 | |
57b272b0 DSH |
2780 | __owur int srp_generate_server_master_secret(SSL *s); |
2781 | __owur int srp_generate_client_master_secret(SSL *s); | |
a2c2e000 | 2782 | __owur int srp_verify_server_param(SSL *s); |
0989790b | 2783 | |
9d75dce3 TS |
2784 | /* statem/statem_srvr.c */ |
2785 | ||
2786 | __owur int send_certificate_request(SSL *s); | |
2787 | ||
43ae5eed MC |
2788 | /* statem/extensions_cust.c */ |
2789 | ||
787d9ec7 MC |
2790 | custom_ext_method *custom_ext_find(const custom_ext_methods *exts, |
2791 | ENDPOINT role, unsigned int ext_type, | |
2792 | size_t *idx); | |
ecf4d660 | 2793 | |
28ea0a0c DSH |
2794 | void custom_ext_init(custom_ext_methods *meths); |
2795 | ||
43ae5eed | 2796 | __owur int custom_ext_parse(SSL *s, unsigned int context, unsigned int ext_type, |
a230b26e | 2797 | const unsigned char *ext_data, size_t ext_size, |
f63a17d6 | 2798 | X509 *x, size_t chainidx); |
43ae5eed | 2799 | __owur int custom_ext_add(SSL *s, int context, WPACKET *pkt, X509 *x, |
f63a17d6 | 2800 | size_t chainidx, int maxversion); |
a230b26e EK |
2801 | |
2802 | __owur int custom_exts_copy(custom_ext_methods *dst, | |
2803 | const custom_ext_methods *src); | |
21181889 MC |
2804 | __owur int custom_exts_copy_flags(custom_ext_methods *dst, |
2805 | const custom_ext_methods *src); | |
ecf4d660 DSH |
2806 | void custom_exts_free(custom_ext_methods *exts); |
2807 | ||
b3599dbb | 2808 | void ssl_comp_free_compression_methods_int(void); |
03b0e735 | 2809 | |
8a5ed9dc TM |
2810 | /* ssl_mcnf.c */ |
2811 | void ssl_ctx_system_config(SSL_CTX *ctx); | |
2812 | ||
b4250010 | 2813 | const EVP_CIPHER *ssl_evp_cipher_fetch(OSSL_LIB_CTX *libctx, |
c8f6c28a MC |
2814 | int nid, |
2815 | const char *properties); | |
2816 | int ssl_evp_cipher_up_ref(const EVP_CIPHER *cipher); | |
2817 | void ssl_evp_cipher_free(const EVP_CIPHER *cipher); | |
b4250010 | 2818 | const EVP_MD *ssl_evp_md_fetch(OSSL_LIB_CTX *libctx, |
c8f6c28a MC |
2819 | int nid, |
2820 | const char *properties); | |
2821 | int ssl_evp_md_up_ref(const EVP_MD *md); | |
2822 | void ssl_evp_md_free(const EVP_MD *md); | |
2823 | ||
b5588178 MC |
2824 | int tls_provider_set_tls_params(SSL *s, EVP_CIPHER_CTX *ctx, |
2825 | const EVP_CIPHER *ciph, | |
2826 | const EVP_MD *md); | |
c8f6c28a | 2827 | |
301fcb28 MC |
2828 | void tls_engine_finish(ENGINE *e); |
2829 | const EVP_CIPHER *tls_get_cipher_from_engine(int nid); | |
2830 | const EVP_MD *tls_get_digest_from_engine(int nid); | |
2831 | int tls_engine_load_ssl_client_cert(SSL *s, X509 **px509, EVP_PKEY **ppkey); | |
2832 | int ssl_hmac_old_new(SSL_HMAC *ret); | |
2833 | void ssl_hmac_old_free(SSL_HMAC *ctx); | |
2834 | int ssl_hmac_old_init(SSL_HMAC *ctx, void *key, size_t len, char *md); | |
2835 | int ssl_hmac_old_update(SSL_HMAC *ctx, const unsigned char *data, size_t len); | |
2836 | int ssl_hmac_old_final(SSL_HMAC *ctx, unsigned char *md, size_t *len); | |
2837 | size_t ssl_hmac_old_size(const SSL_HMAC *ctx); | |
2838 | ||
76cb077f MC |
2839 | int ssl_ctx_srp_ctx_free_intern(SSL_CTX *ctx); |
2840 | int ssl_ctx_srp_ctx_init_intern(SSL_CTX *ctx); | |
2841 | int ssl_srp_ctx_free_intern(SSL *s); | |
2842 | int ssl_srp_ctx_init_intern(SSL *s); | |
2843 | ||
2844 | int ssl_srp_calc_a_param_intern(SSL *s); | |
2845 | int ssl_srp_server_param_with_username_intern(SSL *s, int *ad); | |
2846 | ||
4ee7d3f9 | 2847 | # else /* OPENSSL_UNIT_TEST */ |
e0fc7961 | 2848 | |
0f113f3e MC |
2849 | # define ssl_init_wbio_buffer SSL_test_functions()->p_ssl_init_wbio_buffer |
2850 | # define ssl3_setup_buffers SSL_test_functions()->p_ssl3_setup_buffers | |
c4e6fb15 | 2851 | |
0f113f3e | 2852 | # endif |
e0fc7961 | 2853 | #endif |