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58964a49 | 1 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
2 | * All rights reserved. |
3 | * | |
4 | * This package is an SSL implementation written | |
5 | * by Eric Young (eay@cryptsoft.com). | |
6 | * The implementation was written so as to conform with Netscapes SSL. | |
0f113f3e | 7 | * |
d02b48c6 RE |
8 | * This library is free for commercial and non-commercial use as long as |
9 | * the following conditions are aheared to. The following conditions | |
10 | * apply to all code found in this distribution, be it the RC4, RSA, | |
11 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation | |
12 | * included with this distribution is covered by the same copyright terms | |
13 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). | |
0f113f3e | 14 | * |
d02b48c6 RE |
15 | * Copyright remains Eric Young's, and as such any Copyright notices in |
16 | * the code are not to be removed. | |
17 | * If this package is used in a product, Eric Young should be given attribution | |
18 | * as the author of the parts of the library used. | |
19 | * This can be in the form of a textual message at program startup or | |
20 | * in documentation (online or textual) provided with the package. | |
0f113f3e | 21 | * |
d02b48c6 RE |
22 | * Redistribution and use in source and binary forms, with or without |
23 | * modification, are permitted provided that the following conditions | |
24 | * are met: | |
25 | * 1. Redistributions of source code must retain the copyright | |
26 | * notice, this list of conditions and the following disclaimer. | |
27 | * 2. Redistributions in binary form must reproduce the above copyright | |
28 | * notice, this list of conditions and the following disclaimer in the | |
29 | * documentation and/or other materials provided with the distribution. | |
30 | * 3. All advertising materials mentioning features or use of this software | |
31 | * must display the following acknowledgement: | |
32 | * "This product includes cryptographic software written by | |
33 | * Eric Young (eay@cryptsoft.com)" | |
34 | * The word 'cryptographic' can be left out if the rouines from the library | |
35 | * being used are not cryptographic related :-). | |
0f113f3e | 36 | * 4. If you include any Windows specific code (or a derivative thereof) from |
d02b48c6 RE |
37 | * the apps directory (application code) you must include an acknowledgement: |
38 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
0f113f3e | 39 | * |
d02b48c6 RE |
40 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
41 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
42 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
43 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
44 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
45 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
46 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
47 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
48 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
49 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
50 | * SUCH DAMAGE. | |
0f113f3e | 51 | * |
d02b48c6 RE |
52 | * The licence and distribution terms for any publically available version or |
53 | * derivative of this code cannot be changed. i.e. this code cannot simply be | |
54 | * copied and put under another distribution licence | |
55 | * [including the GNU Public Licence.] | |
56 | */ | |
5a4fbc69 | 57 | /* ==================================================================== |
52b8dad8 | 58 | * Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved. |
5a4fbc69 BM |
59 | * |
60 | * Redistribution and use in source and binary forms, with or without | |
61 | * modification, are permitted provided that the following conditions | |
62 | * are met: | |
63 | * | |
64 | * 1. Redistributions of source code must retain the above copyright | |
0f113f3e | 65 | * notice, this list of conditions and the following disclaimer. |
5a4fbc69 BM |
66 | * |
67 | * 2. Redistributions in binary form must reproduce the above copyright | |
68 | * notice, this list of conditions and the following disclaimer in | |
69 | * the documentation and/or other materials provided with the | |
70 | * distribution. | |
71 | * | |
72 | * 3. All advertising materials mentioning features or use of this | |
73 | * software must display the following acknowledgment: | |
74 | * "This product includes software developed by the OpenSSL Project | |
75 | * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" | |
76 | * | |
77 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
78 | * endorse or promote products derived from this software without | |
79 | * prior written permission. For written permission, please contact | |
80 | * openssl-core@openssl.org. | |
81 | * | |
82 | * 5. Products derived from this software may not be called "OpenSSL" | |
83 | * nor may "OpenSSL" appear in their names without prior written | |
84 | * permission of the OpenSSL Project. | |
85 | * | |
86 | * 6. Redistributions of any form whatsoever must retain the following | |
87 | * acknowledgment: | |
88 | * "This product includes software developed by the OpenSSL Project | |
89 | * for use in the OpenSSL Toolkit (http://www.openssl.org/)" | |
90 | * | |
91 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
92 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
93 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
94 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
95 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
96 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
97 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
98 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
99 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
100 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
101 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
102 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
103 | * ==================================================================== | |
104 | * | |
105 | * This product includes cryptographic software written by Eric Young | |
106 | * (eay@cryptsoft.com). This product includes software written by Tim | |
107 | * Hudson (tjh@cryptsoft.com). | |
108 | * | |
109 | */ | |
ea262260 BM |
110 | /* ==================================================================== |
111 | * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. | |
0f113f3e | 112 | * ECC cipher suite support in OpenSSL originally developed by |
ea262260 BM |
113 | * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project. |
114 | */ | |
ddac1974 NL |
115 | /* ==================================================================== |
116 | * Copyright 2005 Nokia. All rights reserved. | |
117 | * | |
118 | * The portions of the attached software ("Contribution") is developed by | |
119 | * Nokia Corporation and is licensed pursuant to the OpenSSL open source | |
120 | * license. | |
121 | * | |
122 | * The Contribution, originally written by Mika Kousa and Pasi Eronen of | |
123 | * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites | |
124 | * support (see RFC 4279) to OpenSSL. | |
125 | * | |
126 | * No patent licenses or other rights except those expressly stated in | |
127 | * the OpenSSL open source license shall be deemed granted or received | |
128 | * expressly, by implication, estoppel, or otherwise. | |
129 | * | |
130 | * No assurances are provided by Nokia that the Contribution does not | |
131 | * infringe the patent or other intellectual property rights of any third | |
132 | * party or that the license provides you with all the necessary rights | |
133 | * to make use of the Contribution. | |
134 | * | |
135 | * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN | |
136 | * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA | |
137 | * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY | |
138 | * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR | |
139 | * OTHERWISE. | |
140 | */ | |
d02b48c6 RE |
141 | |
142 | #ifndef HEADER_SSL_LOCL_H | |
0f113f3e MC |
143 | # define HEADER_SSL_LOCL_H |
144 | # include <stdlib.h> | |
145 | # include <time.h> | |
146 | # include <string.h> | |
147 | # include <errno.h> | |
d02b48c6 | 148 | |
0f113f3e | 149 | # include "e_os.h" |
d02b48c6 | 150 | |
0f113f3e | 151 | # include <openssl/buffer.h> |
3c27208f | 152 | # include <openssl/comp.h> |
0f113f3e MC |
153 | # include <openssl/bio.h> |
154 | # include <openssl/stack.h> | |
3c27208f RS |
155 | # include <openssl/rsa.h> |
156 | # include <openssl/dsa.h> | |
0f113f3e MC |
157 | # include <openssl/err.h> |
158 | # include <openssl/ssl.h> | |
07bbc92c | 159 | # include <openssl/async.h> |
0f113f3e | 160 | # include <openssl/symhacks.h> |
3c27208f | 161 | # include <openssl/ct.h> |
c99c4c11 | 162 | #include "record/record.h" |
8ba708e5 | 163 | #include "statem/statem.h" |
7e729bb5 | 164 | #include "packet_locl.h" |
919ba009 | 165 | #include "internal/dane.h" |
52e1d7b1 | 166 | |
0f113f3e MC |
167 | # ifdef OPENSSL_BUILD_SHLIBSSL |
168 | # undef OPENSSL_EXTERN | |
169 | # define OPENSSL_EXTERN OPENSSL_EXPORT | |
170 | # endif | |
26da3e65 | 171 | |
0f113f3e | 172 | # undef PKCS1_CHECK |
d02b48c6 | 173 | |
0f113f3e MC |
174 | # define c2l(c,l) (l = ((unsigned long)(*((c)++))) , \ |
175 | l|=(((unsigned long)(*((c)++)))<< 8), \ | |
176 | l|=(((unsigned long)(*((c)++)))<<16), \ | |
177 | l|=(((unsigned long)(*((c)++)))<<24)) | |
d02b48c6 RE |
178 | |
179 | /* NOTE - c is not incremented as per c2l */ | |
0f113f3e MC |
180 | # define c2ln(c,l1,l2,n) { \ |
181 | c+=n; \ | |
182 | l1=l2=0; \ | |
183 | switch (n) { \ | |
184 | case 8: l2 =((unsigned long)(*(--(c))))<<24; \ | |
185 | case 7: l2|=((unsigned long)(*(--(c))))<<16; \ | |
186 | case 6: l2|=((unsigned long)(*(--(c))))<< 8; \ | |
187 | case 5: l2|=((unsigned long)(*(--(c)))); \ | |
188 | case 4: l1 =((unsigned long)(*(--(c))))<<24; \ | |
189 | case 3: l1|=((unsigned long)(*(--(c))))<<16; \ | |
190 | case 2: l1|=((unsigned long)(*(--(c))))<< 8; \ | |
191 | case 1: l1|=((unsigned long)(*(--(c)))); \ | |
192 | } \ | |
193 | } | |
194 | ||
195 | # define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \ | |
196 | *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ | |
197 | *((c)++)=(unsigned char)(((l)>>16)&0xff), \ | |
198 | *((c)++)=(unsigned char)(((l)>>24)&0xff)) | |
199 | ||
200 | # define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24, \ | |
201 | l|=((unsigned long)(*((c)++)))<<16, \ | |
202 | l|=((unsigned long)(*((c)++)))<< 8, \ | |
203 | l|=((unsigned long)(*((c)++)))) | |
204 | ||
205 | # define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24)&0xff), \ | |
206 | *((c)++)=(unsigned char)(((l)>>16)&0xff), \ | |
207 | *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ | |
208 | *((c)++)=(unsigned char)(((l) )&0xff)) | |
209 | ||
210 | # define l2n6(l,c) (*((c)++)=(unsigned char)(((l)>>40)&0xff), \ | |
211 | *((c)++)=(unsigned char)(((l)>>32)&0xff), \ | |
212 | *((c)++)=(unsigned char)(((l)>>24)&0xff), \ | |
213 | *((c)++)=(unsigned char)(((l)>>16)&0xff), \ | |
214 | *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ | |
215 | *((c)++)=(unsigned char)(((l) )&0xff)) | |
216 | ||
217 | # define l2n8(l,c) (*((c)++)=(unsigned char)(((l)>>56)&0xff), \ | |
218 | *((c)++)=(unsigned char)(((l)>>48)&0xff), \ | |
219 | *((c)++)=(unsigned char)(((l)>>40)&0xff), \ | |
220 | *((c)++)=(unsigned char)(((l)>>32)&0xff), \ | |
221 | *((c)++)=(unsigned char)(((l)>>24)&0xff), \ | |
222 | *((c)++)=(unsigned char)(((l)>>16)&0xff), \ | |
223 | *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ | |
224 | *((c)++)=(unsigned char)(((l) )&0xff)) | |
225 | ||
d02b48c6 | 226 | /* NOTE - c is not incremented as per l2c */ |
0f113f3e MC |
227 | # define l2cn(l1,l2,c,n) { \ |
228 | c+=n; \ | |
229 | switch (n) { \ | |
230 | case 8: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \ | |
231 | case 7: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \ | |
232 | case 6: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \ | |
233 | case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \ | |
234 | case 4: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \ | |
235 | case 3: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \ | |
236 | case 2: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \ | |
237 | case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \ | |
238 | } \ | |
239 | } | |
240 | ||
241 | # define n2s(c,s) ((s=(((unsigned int)(c[0]))<< 8)| \ | |
242 | (((unsigned int)(c[1])) )),c+=2) | |
243 | # define s2n(s,c) ((c[0]=(unsigned char)(((s)>> 8)&0xff), \ | |
244 | c[1]=(unsigned char)(((s) )&0xff)),c+=2) | |
245 | ||
246 | # define n2l3(c,l) ((l =(((unsigned long)(c[0]))<<16)| \ | |
247 | (((unsigned long)(c[1]))<< 8)| \ | |
248 | (((unsigned long)(c[2])) )),c+=3) | |
249 | ||
250 | # define l2n3(l,c) ((c[0]=(unsigned char)(((l)>>16)&0xff), \ | |
251 | c[1]=(unsigned char)(((l)>> 8)&0xff), \ | |
252 | c[2]=(unsigned char)(((l) )&0xff)),c+=3) | |
d02b48c6 | 253 | |
7946ab33 KR |
254 | #define DTLS_VERSION_GT(v1, v2) ((v1) < (v2)) |
255 | #define DTLS_VERSION_GE(v1, v2) ((v1) <= (v2)) | |
256 | #define DTLS_VERSION_LT(v1, v2) ((v1) > (v2)) | |
257 | #define DTLS_VERSION_LE(v1, v2) ((v1) >= (v2)) | |
258 | ||
d02b48c6 RE |
259 | /* LOCAL STUFF */ |
260 | ||
0f113f3e MC |
261 | # define SSL_DECRYPT 0 |
262 | # define SSL_ENCRYPT 1 | |
d02b48c6 | 263 | |
0f113f3e MC |
264 | # define TWO_BYTE_BIT 0x80 |
265 | # define SEC_ESC_BIT 0x40 | |
266 | # define TWO_BYTE_MASK 0x7fff | |
267 | # define THREE_BYTE_MASK 0x3fff | |
d02b48c6 | 268 | |
0f113f3e MC |
269 | # define INC32(a) ((a)=((a)+1)&0xffffffffL) |
270 | # define DEC32(a) ((a)=((a)-1)&0xffffffffL) | |
271 | # define MAX_MAC_SIZE 20 /* up from 16 for SSLv3 */ | |
d02b48c6 | 272 | |
018e57c7 DSH |
273 | /* |
274 | * Define the Bitmasks for SSL_CIPHER.algorithms. | |
275 | * This bits are used packed as dense as possible. If new methods/ciphers | |
276 | * etc will be added, the bits a likely to change, so this information | |
277 | * is for internal library use only, even though SSL_CIPHER.algorithms | |
278 | * can be publicly accessed. | |
279 | * Use the according functions for cipher management instead. | |
280 | * | |
657e60fa | 281 | * The bit mask handling in the selection and sorting scheme in |
018e57c7 | 282 | * ssl_create_cipher_list() has only limited capabilities, reflecting |
657e60fa | 283 | * that the different entities within are mutually exclusive: |
018e57c7 DSH |
284 | * ONLY ONE BIT PER MASK CAN BE SET AT A TIME. |
285 | */ | |
52b8dad8 BM |
286 | |
287 | /* Bits for algorithm_mkey (key exchange algorithm) */ | |
68d39f3c | 288 | /* RSA key exchange */ |
36e79832 | 289 | # define SSL_kRSA 0x00000001U |
68d39f3c | 290 | /* tmp DH key no DH cert */ |
bc71f910 | 291 | # define SSL_kDHE 0x00000002U |
68d39f3c | 292 | /* synonym */ |
0f113f3e | 293 | # define SSL_kEDH SSL_kDHE |
68d39f3c | 294 | /* ephemeral ECDH */ |
ce0c1f2b | 295 | # define SSL_kECDHE 0x00000004U |
68d39f3c | 296 | /* synonym */ |
0f113f3e | 297 | # define SSL_kEECDH SSL_kECDHE |
68d39f3c | 298 | /* PSK */ |
ce0c1f2b | 299 | # define SSL_kPSK 0x00000008U |
68d39f3c | 300 | /* GOST key exchange */ |
ce0c1f2b | 301 | # define SSL_kGOST 0x00000010U |
68d39f3c | 302 | /* SRP */ |
ce0c1f2b | 303 | # define SSL_kSRP 0x00000020U |
52b8dad8 | 304 | |
ce0c1f2b DSH |
305 | # define SSL_kRSAPSK 0x00000040U |
306 | # define SSL_kECDHEPSK 0x00000080U | |
307 | # define SSL_kDHEPSK 0x00000100U | |
64651d39 DSH |
308 | |
309 | /* all PSK */ | |
310 | ||
311 | #define SSL_PSK (SSL_kPSK | SSL_kRSAPSK | SSL_kECDHEPSK | SSL_kDHEPSK) | |
312 | ||
52b8dad8 | 313 | /* Bits for algorithm_auth (server authentication) */ |
68d39f3c | 314 | /* RSA auth */ |
36e79832 | 315 | # define SSL_aRSA 0x00000001U |
68d39f3c | 316 | /* DSS auth */ |
36e79832 | 317 | # define SSL_aDSS 0x00000002U |
68d39f3c | 318 | /* no auth (i.e. use ADH or AECDH) */ |
36e79832 | 319 | # define SSL_aNULL 0x00000004U |
68d39f3c | 320 | /* ECDSA auth*/ |
ce0c1f2b | 321 | # define SSL_aECDSA 0x00000008U |
68d39f3c | 322 | /* PSK auth */ |
ce0c1f2b | 323 | # define SSL_aPSK 0x00000010U |
68d39f3c | 324 | /* GOST R 34.10-2001 signature auth */ |
ce0c1f2b | 325 | # define SSL_aGOST01 0x00000020U |
68d39f3c | 326 | /* SRP auth */ |
ce0c1f2b | 327 | # define SSL_aSRP 0x00000040U |
e44380a9 | 328 | /* GOST R 34.10-2012 signature auth */ |
ce0c1f2b | 329 | # define SSL_aGOST12 0x00000080U |
52b8dad8 BM |
330 | |
331 | /* Bits for algorithm_enc (symmetric encryption) */ | |
36e79832 DSH |
332 | # define SSL_DES 0x00000001U |
333 | # define SSL_3DES 0x00000002U | |
334 | # define SSL_RC4 0x00000004U | |
335 | # define SSL_RC2 0x00000008U | |
336 | # define SSL_IDEA 0x00000010U | |
337 | # define SSL_eNULL 0x00000020U | |
338 | # define SSL_AES128 0x00000040U | |
339 | # define SSL_AES256 0x00000080U | |
340 | # define SSL_CAMELLIA128 0x00000100U | |
341 | # define SSL_CAMELLIA256 0x00000200U | |
342 | # define SSL_eGOST2814789CNT 0x00000400U | |
343 | # define SSL_SEED 0x00000800U | |
344 | # define SSL_AES128GCM 0x00001000U | |
345 | # define SSL_AES256GCM 0x00002000U | |
346 | # define SSL_AES128CCM 0x00004000U | |
347 | # define SSL_AES256CCM 0x00008000U | |
348 | # define SSL_AES128CCM8 0x00010000U | |
349 | # define SSL_AES256CCM8 0x00020000U | |
e44380a9 | 350 | # define SSL_eGOST2814789CNT12 0x00040000U |
a76ba82c | 351 | # define SSL_CHACHA20POLY1305 0x00080000U |
0f113f3e | 352 | |
a556f342 EK |
353 | # define SSL_AESGCM (SSL_AES128GCM | SSL_AES256GCM) |
354 | # define SSL_AESCCM (SSL_AES128CCM | SSL_AES256CCM | SSL_AES128CCM8 | SSL_AES256CCM8) | |
355 | # define SSL_AES (SSL_AES128|SSL_AES256|SSL_AESGCM|SSL_AESCCM) | |
0f113f3e | 356 | # define SSL_CAMELLIA (SSL_CAMELLIA128|SSL_CAMELLIA256) |
1c37fd96 | 357 | # define SSL_CHACHA20 (SSL_CHACHA20POLY1305) |
52b8dad8 BM |
358 | |
359 | /* Bits for algorithm_mac (symmetric authentication) */ | |
28dd49fa | 360 | |
36e79832 DSH |
361 | # define SSL_MD5 0x00000001U |
362 | # define SSL_SHA1 0x00000002U | |
363 | # define SSL_GOST94 0x00000004U | |
364 | # define SSL_GOST89MAC 0x00000008U | |
365 | # define SSL_SHA256 0x00000010U | |
366 | # define SSL_SHA384 0x00000020U | |
28dd49fa | 367 | /* Not a real MAC, just an indication it is part of cipher */ |
36e79832 | 368 | # define SSL_AEAD 0x00000040U |
e44380a9 DB |
369 | # define SSL_GOST12_256 0x00000080U |
370 | # define SSL_GOST89MAC12 0x00000100U | |
371 | # define SSL_GOST12_512 0x00000200U | |
52b8dad8 | 372 | |
0f113f3e | 373 | /* |
e44380a9 | 374 | * When adding new digest in the ssl_ciph.c and increment SSL_MD_NUM_IDX make |
0f113f3e MC |
375 | * sure to update this constant too |
376 | */ | |
28ba2541 DSH |
377 | |
378 | # define SSL_MD_MD5_IDX 0 | |
379 | # define SSL_MD_SHA1_IDX 1 | |
380 | # define SSL_MD_GOST94_IDX 2 | |
381 | # define SSL_MD_GOST89MAC_IDX 3 | |
382 | # define SSL_MD_SHA256_IDX 4 | |
383 | # define SSL_MD_SHA384_IDX 5 | |
384 | # define SSL_MD_GOST12_256_IDX 6 | |
385 | # define SSL_MD_GOST89MAC12_IDX 7 | |
386 | # define SSL_MD_GOST12_512_IDX 8 | |
387 | # define SSL_MD_MD5_SHA1_IDX 9 | |
7afd2312 DSH |
388 | # define SSL_MD_SHA224_IDX 10 |
389 | # define SSL_MD_SHA512_IDX 11 | |
390 | # define SSL_MAX_DIGEST 12 | |
28ba2541 DSH |
391 | |
392 | /* Bits for algorithm2 (handshake digests and other extra flags) */ | |
393 | ||
394 | /* Bits 0-7 are handshake MAC */ | |
395 | # define SSL_HANDSHAKE_MAC_MASK 0xFF | |
396 | # define SSL_HANDSHAKE_MAC_MD5_SHA1 SSL_MD_MD5_SHA1_IDX | |
397 | # define SSL_HANDSHAKE_MAC_SHA256 SSL_MD_SHA256_IDX | |
398 | # define SSL_HANDSHAKE_MAC_SHA384 SSL_MD_SHA384_IDX | |
399 | # define SSL_HANDSHAKE_MAC_GOST94 SSL_MD_GOST94_IDX | |
400 | # define SSL_HANDSHAKE_MAC_GOST12_256 SSL_MD_GOST12_256_IDX | |
401 | # define SSL_HANDSHAKE_MAC_GOST12_512 SSL_MD_GOST12_512_IDX | |
402 | # define SSL_HANDSHAKE_MAC_DEFAULT SSL_HANDSHAKE_MAC_MD5_SHA1 | |
403 | ||
404 | /* Bits 8-15 bits are PRF */ | |
405 | # define TLS1_PRF_DGST_SHIFT 8 | |
406 | # define TLS1_PRF_SHA1_MD5 (SSL_MD_MD5_SHA1_IDX << TLS1_PRF_DGST_SHIFT) | |
407 | # define TLS1_PRF_SHA256 (SSL_MD_SHA256_IDX << TLS1_PRF_DGST_SHIFT) | |
408 | # define TLS1_PRF_SHA384 (SSL_MD_SHA384_IDX << TLS1_PRF_DGST_SHIFT) | |
409 | # define TLS1_PRF_GOST94 (SSL_MD_GOST94_IDX << TLS1_PRF_DGST_SHIFT) | |
410 | # define TLS1_PRF_GOST12_256 (SSL_MD_GOST12_256_IDX << TLS1_PRF_DGST_SHIFT) | |
411 | # define TLS1_PRF_GOST12_512 (SSL_MD_GOST12_512_IDX << TLS1_PRF_DGST_SHIFT) | |
412 | # define TLS1_PRF (SSL_MD_MD5_SHA1_IDX << TLS1_PRF_DGST_SHIFT) | |
761772d7 | 413 | |
0f113f3e MC |
414 | /* |
415 | * Stream MAC for GOST ciphersuites from cryptopro draft (currently this also | |
416 | * goes into algorithm2) | |
417 | */ | |
28ba2541 | 418 | # define TLS1_STREAM_MAC 0x10000 |
761772d7 | 419 | |
88a9614b | 420 | # define SSL_STRONG_MASK 0x0000001FU |
361a1191 | 421 | # define SSL_DEFAULT_MASK 0X00000020U |
c84f7f4a | 422 | |
361a1191 KR |
423 | # define SSL_STRONG_NONE 0x00000001U |
424 | # define SSL_LOW 0x00000002U | |
425 | # define SSL_MEDIUM 0x00000004U | |
426 | # define SSL_HIGH 0x00000008U | |
427 | # define SSL_FIPS 0x00000010U | |
428 | # define SSL_NOT_DEFAULT 0x00000020U | |
018e57c7 | 429 | |
361a1191 | 430 | /* we have used 0000003f - 26 bits left to go */ |
d02b48c6 | 431 | |
890f2f8b | 432 | /* Check if an SSL structure is using DTLS */ |
0f113f3e | 433 | # define SSL_IS_DTLS(s) (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS) |
cbd64894 | 434 | /* See if we need explicit IV */ |
0f113f3e MC |
435 | # define SSL_USE_EXPLICIT_IV(s) \ |
436 | (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_EXPLICIT_IV) | |
437 | /* | |
438 | * See if we use signature algorithms extension and signature algorithm | |
439 | * before signatures. | |
cbd64894 | 440 | */ |
0f113f3e MC |
441 | # define SSL_USE_SIGALGS(s) \ |
442 | (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_SIGALGS) | |
443 | /* | |
444 | * Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2: may | |
445 | * apply to others in future. | |
4221c0dd | 446 | */ |
0f113f3e MC |
447 | # define SSL_USE_TLS1_2_CIPHERS(s) \ |
448 | (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_TLS1_2_CIPHERS) | |
449 | /* | |
450 | * Determine if a client can use TLS 1.2 ciphersuites: can't rely on method | |
1e2d4cb0 DSH |
451 | * flags because it may not be set to correct version yet. |
452 | */ | |
0f113f3e | 453 | # define SSL_CLIENT_USE_TLS1_2_CIPHERS(s) \ |
4fa52141 VD |
454 | ((!SSL_IS_DTLS(s) && s->client_version >= TLS1_2_VERSION) || \ |
455 | (SSL_IS_DTLS(s) && DTLS_VERSION_GE(s->client_version, DTLS1_2_VERSION))) | |
f7aa3185 DB |
456 | /* |
457 | * Determine if a client should send signature algorithms extension: | |
458 | * as with TLS1.2 cipher we can't rely on method flags. | |
459 | */ | |
460 | # define SSL_CLIENT_USE_SIGALGS(s) \ | |
461 | SSL_CLIENT_USE_TLS1_2_CIPHERS(s) | |
0f113f3e MC |
462 | |
463 | # ifdef TLSEXT_TYPE_encrypt_then_mac | |
464 | # define SSL_USE_ETM(s) (s->s3->flags & TLS1_FLAGS_ENCRYPT_THEN_MAC) | |
465 | # else | |
466 | # define SSL_USE_ETM(s) (0) | |
467 | # endif | |
5e3ff62c | 468 | |
d02b48c6 | 469 | /* Mostly for SSLv3 */ |
0f113f3e MC |
470 | # define SSL_PKEY_RSA_ENC 0 |
471 | # define SSL_PKEY_RSA_SIGN 1 | |
472 | # define SSL_PKEY_DSA_SIGN 2 | |
bc71f910 DSH |
473 | # define SSL_PKEY_ECC 3 |
474 | # define SSL_PKEY_GOST01 4 | |
475 | # define SSL_PKEY_GOST12_256 5 | |
476 | # define SSL_PKEY_GOST12_512 6 | |
477 | # define SSL_PKEY_NUM 7 | |
e44380a9 DB |
478 | /* |
479 | * Pseudo-constant. GOST cipher suites can use different certs for 1 | |
480 | * SSL_CIPHER. So let's see which one we have in fact. | |
481 | */ | |
482 | # define SSL_PKEY_GOST_EC SSL_PKEY_NUM+1 | |
d02b48c6 | 483 | |
1d97c843 | 484 | /*- |
361a1191 | 485 | * SSL_kRSA <- RSA_ENC |
d02b48c6 | 486 | * SSL_kDH <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN) |
5a21cadb | 487 | * SSL_kDHE <- RSA_ENC | RSA_SIGN | DSA_SIGN |
d02b48c6 RE |
488 | * SSL_aRSA <- RSA_ENC | RSA_SIGN |
489 | * SSL_aDSS <- DSA_SIGN | |
490 | */ | |
491 | ||
23a22b4c | 492 | /*- |
0f113f3e MC |
493 | #define CERT_INVALID 0 |
494 | #define CERT_PUBLIC_KEY 1 | |
495 | #define CERT_PRIVATE_KEY 2 | |
d02b48c6 RE |
496 | */ |
497 | ||
e9fa092e EK |
498 | |
499 | /* CipherSuite length. SSLv3 and all TLS versions. */ | |
500 | #define TLS_CIPHER_LEN 2 | |
b6ba4014 MC |
501 | /* used to hold info on the particular ciphers used */ |
502 | struct ssl_cipher_st { | |
90d9e49a DSH |
503 | uint32_t valid; |
504 | const char *name; /* text name */ | |
505 | uint32_t id; /* id, 4 bytes, first is version */ | |
b6ba4014 | 506 | /* |
90d9e49a | 507 | * changed in 1.0.0: these four used to be portions of a single value |
b6ba4014 MC |
508 | * 'algorithms' |
509 | */ | |
90d9e49a DSH |
510 | uint32_t algorithm_mkey; /* key exchange algorithm */ |
511 | uint32_t algorithm_auth; /* server authentication */ | |
512 | uint32_t algorithm_enc; /* symmetric encryption */ | |
513 | uint32_t algorithm_mac; /* symmetric authentication */ | |
3eb2aff4 KR |
514 | int min_tls; /* minimum SSL/TLS protocol version */ |
515 | int max_tls; /* maximum SSL/TLS protocol version */ | |
516 | int min_dtls; /* minimum DTLS protocol version */ | |
517 | int max_dtls; /* maximum DTLS protocol version */ | |
90d9e49a DSH |
518 | uint32_t algo_strength; /* strength and export flags */ |
519 | uint32_t algorithm2; /* Extra flags */ | |
520 | int32_t strength_bits; /* Number of bits really used */ | |
521 | uint32_t alg_bits; /* Number of bits for algorithm */ | |
b6ba4014 MC |
522 | }; |
523 | ||
87d9cafa | 524 | /* Used to hold SSL/TLS functions */ |
b6ba4014 MC |
525 | struct ssl_method_st { |
526 | int version; | |
4fa52141 VD |
527 | unsigned flags; |
528 | unsigned long mask; | |
b6ba4014 MC |
529 | int (*ssl_new) (SSL *s); |
530 | void (*ssl_clear) (SSL *s); | |
531 | void (*ssl_free) (SSL *s); | |
532 | int (*ssl_accept) (SSL *s); | |
533 | int (*ssl_connect) (SSL *s); | |
534 | int (*ssl_read) (SSL *s, void *buf, int len); | |
535 | int (*ssl_peek) (SSL *s, void *buf, int len); | |
536 | int (*ssl_write) (SSL *s, const void *buf, int len); | |
537 | int (*ssl_shutdown) (SSL *s); | |
538 | int (*ssl_renegotiate) (SSL *s); | |
539 | int (*ssl_renegotiate_check) (SSL *s); | |
657da85e MC |
540 | int (*ssl_read_bytes) (SSL *s, int type, int *recvd_type, |
541 | unsigned char *buf, int len, int peek); | |
b6ba4014 MC |
542 | int (*ssl_write_bytes) (SSL *s, int type, const void *buf_, int len); |
543 | int (*ssl_dispatch_alert) (SSL *s); | |
544 | long (*ssl_ctrl) (SSL *s, int cmd, long larg, void *parg); | |
545 | long (*ssl_ctx_ctrl) (SSL_CTX *ctx, int cmd, long larg, void *parg); | |
546 | const SSL_CIPHER *(*get_cipher_by_char) (const unsigned char *ptr); | |
547 | int (*put_cipher_by_char) (const SSL_CIPHER *cipher, unsigned char *ptr); | |
548 | int (*ssl_pending) (const SSL *s); | |
549 | int (*num_ciphers) (void); | |
550 | const SSL_CIPHER *(*get_cipher) (unsigned ncipher); | |
b6ba4014 MC |
551 | long (*get_timeout) (void); |
552 | const struct ssl3_enc_method *ssl3_enc; /* Extra SSLv3/TLS stuff */ | |
553 | int (*ssl_version) (void); | |
554 | long (*ssl_callback_ctrl) (SSL *s, int cb_id, void (*fp) (void)); | |
555 | long (*ssl_ctx_callback_ctrl) (SSL_CTX *s, int cb_id, void (*fp) (void)); | |
556 | }; | |
557 | ||
558 | /*- | |
559 | * Lets make this into an ASN.1 type structure as follows | |
560 | * SSL_SESSION_ID ::= SEQUENCE { | |
561 | * version INTEGER, -- structure version number | |
562 | * SSLversion INTEGER, -- SSL version number | |
563 | * Cipher OCTET STRING, -- the 3 byte cipher ID | |
564 | * Session_ID OCTET STRING, -- the Session ID | |
565 | * Master_key OCTET STRING, -- the master key | |
b6ba4014 MC |
566 | * Key_Arg [ 0 ] IMPLICIT OCTET STRING, -- the optional Key argument |
567 | * Time [ 1 ] EXPLICIT INTEGER, -- optional Start Time | |
568 | * Timeout [ 2 ] EXPLICIT INTEGER, -- optional Timeout ins seconds | |
569 | * Peer [ 3 ] EXPLICIT X509, -- optional Peer Certificate | |
570 | * Session_ID_context [ 4 ] EXPLICIT OCTET STRING, -- the Session ID context | |
571 | * Verify_result [ 5 ] EXPLICIT INTEGER, -- X509_V_... code for `Peer' | |
572 | * HostName [ 6 ] EXPLICIT OCTET STRING, -- optional HostName from servername TLS extension | |
573 | * PSK_identity_hint [ 7 ] EXPLICIT OCTET STRING, -- optional PSK identity hint | |
574 | * PSK_identity [ 8 ] EXPLICIT OCTET STRING, -- optional PSK identity | |
575 | * Ticket_lifetime_hint [9] EXPLICIT INTEGER, -- server's lifetime hint for session ticket | |
576 | * Ticket [10] EXPLICIT OCTET STRING, -- session ticket (clients only) | |
577 | * Compression_meth [11] EXPLICIT OCTET STRING, -- optional compression method | |
578 | * SRP_username [ 12 ] EXPLICIT OCTET STRING -- optional SRP username | |
6f152a15 | 579 | * flags [ 13 ] EXPLICIT INTEGER -- optional flags |
b6ba4014 MC |
580 | * } |
581 | * Look in ssl/ssl_asn1.c for more details | |
582 | * I'm using EXPLICIT tags so I can read the damn things using asn1parse :-). | |
583 | */ | |
584 | struct ssl_session_st { | |
585 | int ssl_version; /* what ssl version session info is being | |
586 | * kept in here? */ | |
587 | int master_key_length; | |
588 | unsigned char master_key[SSL_MAX_MASTER_KEY_LENGTH]; | |
589 | /* session_id - valid? */ | |
590 | unsigned int session_id_length; | |
591 | unsigned char session_id[SSL_MAX_SSL_SESSION_ID_LENGTH]; | |
592 | /* | |
593 | * this is used to determine whether the session is being reused in the | |
594 | * appropriate context. It is up to the application to set this, via | |
595 | * SSL_new | |
596 | */ | |
597 | unsigned int sid_ctx_length; | |
598 | unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH]; | |
b6ba4014 MC |
599 | # ifndef OPENSSL_NO_PSK |
600 | char *psk_identity_hint; | |
601 | char *psk_identity; | |
602 | # endif | |
603 | /* | |
604 | * Used to indicate that session resumption is not allowed. Applications | |
605 | * can also set this bit for a new session via not_resumable_session_cb | |
606 | * to disable session caching and tickets. | |
607 | */ | |
608 | int not_resumable; | |
a273c6ee | 609 | /* This is the cert and type for the other end. */ |
b6ba4014 | 610 | X509 *peer; |
a273c6ee | 611 | int peer_type; |
696178ed | 612 | /* Certificate chain peer sent */ |
c34b0f99 | 613 | STACK_OF(X509) *peer_chain; |
b6ba4014 MC |
614 | /* |
615 | * when app_verify_callback accepts a session where the peer's | |
616 | * certificate is not ok, we must remember the error for session reuse: | |
617 | */ | |
618 | long verify_result; /* only for servers */ | |
619 | int references; | |
620 | long timeout; | |
621 | long time; | |
622 | unsigned int compress_meth; /* Need to lookup the method */ | |
623 | const SSL_CIPHER *cipher; | |
624 | unsigned long cipher_id; /* when ASN.1 loaded, this needs to be used | |
625 | * to load the 'cipher' structure */ | |
626 | STACK_OF(SSL_CIPHER) *ciphers; /* shared ciphers? */ | |
627 | CRYPTO_EX_DATA ex_data; /* application specific data */ | |
628 | /* | |
629 | * These are used to make removal of session-ids more efficient and to | |
630 | * implement a maximum cache size. | |
631 | */ | |
632 | struct ssl_session_st *prev, *next; | |
b6ba4014 | 633 | char *tlsext_hostname; |
e481f9b9 | 634 | # ifndef OPENSSL_NO_EC |
b6ba4014 MC |
635 | size_t tlsext_ecpointformatlist_length; |
636 | unsigned char *tlsext_ecpointformatlist; /* peer's list */ | |
637 | size_t tlsext_ellipticcurvelist_length; | |
638 | unsigned char *tlsext_ellipticcurvelist; /* peer's list */ | |
e481f9b9 | 639 | # endif /* OPENSSL_NO_EC */ |
b6ba4014 MC |
640 | /* RFC4507 info */ |
641 | unsigned char *tlsext_tick; /* Session ticket */ | |
642 | size_t tlsext_ticklen; /* Session ticket length */ | |
75ea3632 | 643 | unsigned long tlsext_tick_lifetime_hint; /* Session lifetime hint in seconds */ |
b6ba4014 MC |
644 | # ifndef OPENSSL_NO_SRP |
645 | char *srp_username; | |
646 | # endif | |
f7d53487 | 647 | uint32_t flags; |
16203f7b | 648 | CRYPTO_RWLOCK *lock; |
b6ba4014 MC |
649 | }; |
650 | ||
6f152a15 DSH |
651 | /* Extended master secret support */ |
652 | # define SSL_SESS_FLAG_EXTMS 0x1 | |
653 | ||
b6ba4014 MC |
654 | |
655 | # ifndef OPENSSL_NO_SRP | |
656 | ||
657 | typedef struct srp_ctx_st { | |
658 | /* param for all the callbacks */ | |
659 | void *SRP_cb_arg; | |
660 | /* set client Hello login callback */ | |
661 | int (*TLS_ext_srp_username_callback) (SSL *, int *, void *); | |
662 | /* set SRP N/g param callback for verification */ | |
663 | int (*SRP_verify_param_callback) (SSL *, void *); | |
664 | /* set SRP client passwd callback */ | |
665 | char *(*SRP_give_srp_client_pwd_callback) (SSL *, void *); | |
666 | char *login; | |
667 | BIGNUM *N, *g, *s, *B, *A; | |
668 | BIGNUM *a, *b, *v; | |
669 | char *info; | |
670 | int strength; | |
671 | unsigned long srp_Mask; | |
672 | } SRP_CTX; | |
673 | ||
674 | # endif | |
675 | ||
b6ba4014 MC |
676 | struct ssl_comp_st { |
677 | int id; | |
678 | const char *name; | |
b6ba4014 | 679 | COMP_METHOD *method; |
b6ba4014 MC |
680 | }; |
681 | ||
89d6aa10 | 682 | DEFINE_LHASH_OF(SSL_SESSION); |
ce023e77 VD |
683 | /* Needed in ssl_cert.c */ |
684 | DEFINE_LHASH_OF(X509_NAME); | |
f8e0a557 | 685 | |
b6ba4014 MC |
686 | struct ssl_ctx_st { |
687 | const SSL_METHOD *method; | |
688 | STACK_OF(SSL_CIPHER) *cipher_list; | |
689 | /* same as above but sorted for lookup */ | |
690 | STACK_OF(SSL_CIPHER) *cipher_list_by_id; | |
691 | struct x509_store_st /* X509_STORE */ *cert_store; | |
692 | LHASH_OF(SSL_SESSION) *sessions; | |
693 | /* | |
694 | * Most session-ids that will be cached, default is | |
695 | * SSL_SESSION_CACHE_MAX_SIZE_DEFAULT. 0 is unlimited. | |
696 | */ | |
697 | unsigned long session_cache_size; | |
698 | struct ssl_session_st *session_cache_head; | |
699 | struct ssl_session_st *session_cache_tail; | |
700 | /* | |
701 | * This can have one of 2 values, ored together, SSL_SESS_CACHE_CLIENT, | |
702 | * SSL_SESS_CACHE_SERVER, Default is SSL_SESSION_CACHE_SERVER, which | |
703 | * means only SSL_accept which cache SSL_SESSIONS. | |
704 | */ | |
f7d53487 | 705 | uint32_t session_cache_mode; |
b6ba4014 MC |
706 | /* |
707 | * If timeout is not 0, it is the default timeout value set when | |
708 | * SSL_new() is called. This has been put in to make life easier to set | |
709 | * things up | |
710 | */ | |
711 | long session_timeout; | |
712 | /* | |
713 | * If this callback is not null, it will be called each time a session id | |
714 | * is added to the cache. If this function returns 1, it means that the | |
715 | * callback will do a SSL_SESSION_free() when it has finished using it. | |
716 | * Otherwise, on 0, it means the callback has finished with it. If | |
717 | * remove_session_cb is not null, it will be called when a session-id is | |
718 | * removed from the cache. After the call, OpenSSL will | |
719 | * SSL_SESSION_free() it. | |
720 | */ | |
721 | int (*new_session_cb) (struct ssl_st *ssl, SSL_SESSION *sess); | |
722 | void (*remove_session_cb) (struct ssl_ctx_st *ctx, SSL_SESSION *sess); | |
723 | SSL_SESSION *(*get_session_cb) (struct ssl_st *ssl, | |
b6981744 EK |
724 | const unsigned char *data, int len, |
725 | int *copy); | |
b6ba4014 MC |
726 | struct { |
727 | int sess_connect; /* SSL new conn - started */ | |
728 | int sess_connect_renegotiate; /* SSL reneg - requested */ | |
729 | int sess_connect_good; /* SSL new conne/reneg - finished */ | |
730 | int sess_accept; /* SSL new accept - started */ | |
731 | int sess_accept_renegotiate; /* SSL reneg - requested */ | |
732 | int sess_accept_good; /* SSL accept/reneg - finished */ | |
733 | int sess_miss; /* session lookup misses */ | |
734 | int sess_timeout; /* reuse attempt on timeouted session */ | |
735 | int sess_cache_full; /* session removed due to full cache */ | |
736 | int sess_hit; /* session reuse actually done */ | |
737 | int sess_cb_hit; /* session-id that was not in the cache was | |
738 | * passed back via the callback. This | |
739 | * indicates that the application is | |
740 | * supplying session-id's from other | |
741 | * processes - spooky :-) */ | |
742 | } stats; | |
743 | ||
744 | int references; | |
745 | ||
746 | /* if defined, these override the X509_verify_cert() calls */ | |
747 | int (*app_verify_callback) (X509_STORE_CTX *, void *); | |
748 | void *app_verify_arg; | |
749 | /* | |
750 | * before OpenSSL 0.9.7, 'app_verify_arg' was ignored | |
751 | * ('app_verify_callback' was called with just one argument) | |
752 | */ | |
753 | ||
754 | /* Default password callback. */ | |
755 | pem_password_cb *default_passwd_callback; | |
756 | ||
757 | /* Default password callback user data. */ | |
758 | void *default_passwd_callback_userdata; | |
759 | ||
760 | /* get client cert callback */ | |
761 | int (*client_cert_cb) (SSL *ssl, X509 **x509, EVP_PKEY **pkey); | |
762 | ||
763 | /* cookie generate callback */ | |
764 | int (*app_gen_cookie_cb) (SSL *ssl, unsigned char *cookie, | |
765 | unsigned int *cookie_len); | |
766 | ||
767 | /* verify cookie callback */ | |
31011544 | 768 | int (*app_verify_cookie_cb) (SSL *ssl, const unsigned char *cookie, |
b6ba4014 MC |
769 | unsigned int cookie_len); |
770 | ||
771 | CRYPTO_EX_DATA ex_data; | |
772 | ||
773 | const EVP_MD *md5; /* For SSLv3/TLSv1 'ssl3-md5' */ | |
774 | const EVP_MD *sha1; /* For SSLv3/TLSv1 'ssl3->sha1' */ | |
775 | ||
776 | STACK_OF(X509) *extra_certs; | |
777 | STACK_OF(SSL_COMP) *comp_methods; /* stack of SSL_COMP, SSLv3/TLSv1 */ | |
778 | ||
779 | /* Default values used when no per-SSL value is defined follow */ | |
780 | ||
781 | /* used if SSL's info_callback is NULL */ | |
782 | void (*info_callback) (const SSL *ssl, int type, int val); | |
783 | ||
784 | /* what we put in client cert requests */ | |
785 | STACK_OF(X509_NAME) *client_CA; | |
786 | ||
787 | /* | |
788 | * Default values to use in SSL structures follow (these are copied by | |
789 | * SSL_new) | |
790 | */ | |
791 | ||
f7d53487 DSH |
792 | uint32_t options; |
793 | uint32_t mode; | |
7946ab33 KR |
794 | int min_proto_version; |
795 | int max_proto_version; | |
b6ba4014 MC |
796 | long max_cert_list; |
797 | ||
798 | struct cert_st /* CERT */ *cert; | |
799 | int read_ahead; | |
800 | ||
801 | /* callback that allows applications to peek at protocol messages */ | |
802 | void (*msg_callback) (int write_p, int version, int content_type, | |
803 | const void *buf, size_t len, SSL *ssl, void *arg); | |
804 | void *msg_callback_arg; | |
805 | ||
f7d53487 | 806 | uint32_t verify_mode; |
b6ba4014 MC |
807 | unsigned int sid_ctx_length; |
808 | unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH]; | |
809 | /* called 'verify_callback' in the SSL */ | |
810 | int (*default_verify_callback) (int ok, X509_STORE_CTX *ctx); | |
811 | ||
812 | /* Default generate session ID callback. */ | |
813 | GEN_SESSION_CB generate_session_id; | |
814 | ||
815 | X509_VERIFY_PARAM *param; | |
816 | ||
817 | int quiet_shutdown; | |
818 | ||
ed29e82a RP |
819 | # ifndef OPENSSL_NO_CT |
820 | CTLOG_STORE *ctlog_store; /* CT Log Store */ | |
821 | /* | |
822 | * Validates that the SCTs (Signed Certificate Timestamps) are sufficient. | |
823 | * If they are not, the connection should be aborted. | |
824 | */ | |
43341433 | 825 | ssl_ct_validation_cb ct_validation_callback; |
ed29e82a RP |
826 | void *ct_validation_callback_arg; |
827 | # endif | |
828 | ||
d102d9df MC |
829 | /* |
830 | * If we're using more than one pipeline how should we divide the data | |
831 | * up between the pipes? | |
832 | */ | |
833 | unsigned int split_send_fragment; | |
b6ba4014 MC |
834 | /* |
835 | * Maximum amount of data to send in one fragment. actual record size can | |
836 | * be more than this due to padding and MAC overheads. | |
837 | */ | |
838 | unsigned int max_send_fragment; | |
839 | ||
d102d9df MC |
840 | /* Up to how many pipelines should we use? If 0 then 1 is assumed */ |
841 | unsigned int max_pipelines; | |
842 | ||
dad78fb1 MC |
843 | /* The default read buffer length to use (0 means not set) */ |
844 | size_t default_read_buf_len; | |
845 | ||
b6ba4014 MC |
846 | # ifndef OPENSSL_NO_ENGINE |
847 | /* | |
848 | * Engine to pass requests for client certs to | |
849 | */ | |
850 | ENGINE *client_cert_engine; | |
851 | # endif | |
852 | ||
b6ba4014 MC |
853 | /* TLS extensions servername callback */ |
854 | int (*tlsext_servername_callback) (SSL *, int *, void *); | |
855 | void *tlsext_servername_arg; | |
856 | /* RFC 4507 session ticket keys */ | |
857 | unsigned char tlsext_tick_key_name[16]; | |
858 | unsigned char tlsext_tick_hmac_key[16]; | |
859 | unsigned char tlsext_tick_aes_key[16]; | |
860 | /* Callback to support customisation of ticket key setting */ | |
861 | int (*tlsext_ticket_key_cb) (SSL *ssl, | |
862 | unsigned char *name, unsigned char *iv, | |
863 | EVP_CIPHER_CTX *ectx, | |
864 | HMAC_CTX *hctx, int enc); | |
865 | ||
866 | /* certificate status request info */ | |
867 | /* Callback for status request */ | |
868 | int (*tlsext_status_cb) (SSL *ssl, void *arg); | |
869 | void *tlsext_status_arg; | |
b6ba4014 MC |
870 | |
871 | # ifndef OPENSSL_NO_PSK | |
b6ba4014 MC |
872 | unsigned int (*psk_client_callback) (SSL *ssl, const char *hint, |
873 | char *identity, | |
874 | unsigned int max_identity_len, | |
875 | unsigned char *psk, | |
876 | unsigned int max_psk_len); | |
877 | unsigned int (*psk_server_callback) (SSL *ssl, const char *identity, | |
878 | unsigned char *psk, | |
879 | unsigned int max_psk_len); | |
880 | # endif | |
881 | ||
882 | # ifndef OPENSSL_NO_SRP | |
883 | SRP_CTX srp_ctx; /* ctx for SRP authentication */ | |
884 | # endif | |
885 | ||
e481f9b9 | 886 | # ifndef OPENSSL_NO_NEXTPROTONEG |
b6ba4014 | 887 | /* Next protocol negotiation information */ |
b6ba4014 MC |
888 | |
889 | /* | |
890 | * For a server, this contains a callback function by which the set of | |
891 | * advertised protocols can be provided. | |
892 | */ | |
893 | int (*next_protos_advertised_cb) (SSL *s, const unsigned char **buf, | |
894 | unsigned int *len, void *arg); | |
895 | void *next_protos_advertised_cb_arg; | |
896 | /* | |
897 | * For a client, this contains a callback function that selects the next | |
898 | * protocol from the list provided by the server. | |
899 | */ | |
900 | int (*next_proto_select_cb) (SSL *s, unsigned char **out, | |
901 | unsigned char *outlen, | |
902 | const unsigned char *in, | |
903 | unsigned int inlen, void *arg); | |
904 | void *next_proto_select_cb_arg; | |
e481f9b9 | 905 | # endif |
b6ba4014 MC |
906 | |
907 | /* | |
908 | * ALPN information (we are in the process of transitioning from NPN to | |
909 | * ALPN.) | |
910 | */ | |
911 | ||
912 | /*- | |
913 | * For a server, this contains a callback function that allows the | |
914 | * server to select the protocol for the connection. | |
915 | * out: on successful return, this must point to the raw protocol | |
916 | * name (without the length prefix). | |
917 | * outlen: on successful return, this contains the length of |*out|. | |
918 | * in: points to the client's list of supported protocols in | |
919 | * wire-format. | |
920 | * inlen: the length of |in|. | |
921 | */ | |
922 | int (*alpn_select_cb) (SSL *s, | |
923 | const unsigned char **out, | |
924 | unsigned char *outlen, | |
925 | const unsigned char *in, | |
926 | unsigned int inlen, void *arg); | |
927 | void *alpn_select_cb_arg; | |
928 | ||
929 | /* | |
930 | * For a client, this contains the list of supported protocols in wire | |
931 | * format. | |
932 | */ | |
933 | unsigned char *alpn_client_proto_list; | |
934 | unsigned alpn_client_proto_list_len; | |
935 | ||
919ba009 VD |
936 | /* Shared DANE context */ |
937 | struct dane_ctx_st dane; | |
938 | ||
b6ba4014 MC |
939 | /* SRTP profiles we are willing to do from RFC 5764 */ |
940 | STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles; | |
b6ba4014 MC |
941 | /* |
942 | * Callback for disabling session caching and ticket support on a session | |
943 | * basis, depending on the chosen cipher. | |
944 | */ | |
945 | int (*not_resumable_session_cb) (SSL *ssl, int is_forward_secure); | |
946 | # ifndef OPENSSL_NO_EC | |
947 | /* EC extension values inherited by SSL structure */ | |
948 | size_t tlsext_ecpointformatlist_length; | |
949 | unsigned char *tlsext_ecpointformatlist; | |
950 | size_t tlsext_ellipticcurvelist_length; | |
951 | unsigned char *tlsext_ellipticcurvelist; | |
952 | # endif /* OPENSSL_NO_EC */ | |
16203f7b | 953 | CRYPTO_RWLOCK *lock; |
b6ba4014 MC |
954 | }; |
955 | ||
956 | ||
957 | struct ssl_st { | |
958 | /* | |
959 | * protocol version (one of SSL2_VERSION, SSL3_VERSION, TLS1_VERSION, | |
960 | * DTLS1_VERSION) | |
961 | */ | |
962 | int version; | |
23a635c0 | 963 | |
b6ba4014 MC |
964 | /* SSLv3 */ |
965 | const SSL_METHOD *method; | |
966 | /* | |
967 | * There are 2 BIO's even though they are normally both the same. This | |
968 | * is so data can be read and written to different handlers | |
969 | */ | |
970 | /* used by SSL_read */ | |
971 | BIO *rbio; | |
972 | /* used by SSL_write */ | |
973 | BIO *wbio; | |
974 | /* used during session-id reuse to concatenate messages */ | |
975 | BIO *bbio; | |
976 | /* | |
977 | * This holds a variable that indicates what we were doing when a 0 or -1 | |
978 | * is returned. This is needed for non-blocking IO so we know what | |
979 | * request needs re-doing when in SSL_accept or SSL_connect | |
980 | */ | |
981 | int rwstate; | |
024f543c | 982 | |
b6ba4014 MC |
983 | int (*handshake_func) (SSL *); |
984 | /* | |
985 | * Imagine that here's a boolean member "init" that is switched as soon | |
986 | * as SSL_set_{accept/connect}_state is called for the first time, so | |
987 | * that "state" and "handshake_func" are properly initialized. But as | |
988 | * handshake_func is == 0 until then, we use this test instead of an | |
989 | * "init" member. | |
990 | */ | |
23a635c0 | 991 | /* are we the server side? */ |
b6ba4014 MC |
992 | int server; |
993 | /* | |
994 | * Generate a new session or reuse an old one. | |
995 | * NB: For servers, the 'new' session may actually be a previously | |
996 | * cached session or even the previous session unless | |
997 | * SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION is set | |
998 | */ | |
999 | int new_session; | |
1000 | /* don't send shutdown packets */ | |
1001 | int quiet_shutdown; | |
1002 | /* we have shut things down, 0x01 sent, 0x02 for received */ | |
1003 | int shutdown; | |
1004 | /* where we are */ | |
d6f1a6e9 | 1005 | OSSL_STATEM statem; |
f8e0a557 | 1006 | |
b6ba4014 MC |
1007 | BUF_MEM *init_buf; /* buffer used during init */ |
1008 | void *init_msg; /* pointer to handshake message body, set by | |
1009 | * ssl3_get_message() */ | |
1010 | int init_num; /* amount read/written */ | |
1011 | int init_off; /* amount read/written */ | |
7a7048af | 1012 | |
b6ba4014 MC |
1013 | struct ssl3_state_st *s3; /* SSLv3 variables */ |
1014 | struct dtls1_state_st *d1; /* DTLSv1 variables */ | |
52e1d7b1 | 1015 | |
b6ba4014 MC |
1016 | /* callback that allows applications to peek at protocol messages */ |
1017 | void (*msg_callback) (int write_p, int version, int content_type, | |
1018 | const void *buf, size_t len, SSL *ssl, void *arg); | |
1019 | void *msg_callback_arg; | |
1020 | int hit; /* reusing a previous session */ | |
1021 | X509_VERIFY_PARAM *param; | |
919ba009 VD |
1022 | |
1023 | /* Per connection DANE state */ | |
b9aec69a | 1024 | SSL_DANE dane; |
919ba009 | 1025 | |
b6ba4014 MC |
1026 | /* crypto */ |
1027 | STACK_OF(SSL_CIPHER) *cipher_list; | |
1028 | STACK_OF(SSL_CIPHER) *cipher_list_by_id; | |
1029 | /* | |
1030 | * These are the ones being used, the ones in SSL_SESSION are the ones to | |
1031 | * be 'copied' into these ones | |
1032 | */ | |
f7d53487 | 1033 | uint32_t mac_flags; |
b6ba4014 MC |
1034 | EVP_CIPHER_CTX *enc_read_ctx; /* cryptographic state */ |
1035 | EVP_MD_CTX *read_hash; /* used for mac generation */ | |
9a555706 | 1036 | COMP_CTX *compress; /* compression */ |
b6ba4014 | 1037 | COMP_CTX *expand; /* uncompress */ |
b6ba4014 MC |
1038 | EVP_CIPHER_CTX *enc_write_ctx; /* cryptographic state */ |
1039 | EVP_MD_CTX *write_hash; /* used for mac generation */ | |
b6ba4014 MC |
1040 | /* session info */ |
1041 | /* client cert? */ | |
1042 | /* This is used to hold the server certificate used */ | |
1043 | struct cert_st /* CERT */ *cert; | |
1044 | /* | |
1045 | * the session_id_context is used to ensure sessions are only reused in | |
1046 | * the appropriate context | |
1047 | */ | |
1048 | unsigned int sid_ctx_length; | |
1049 | unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH]; | |
1050 | /* This can also be in the session once a session is established */ | |
1051 | SSL_SESSION *session; | |
1052 | /* Default generate session ID callback. */ | |
1053 | GEN_SESSION_CB generate_session_id; | |
1054 | /* Used in SSL3 */ | |
1055 | /* | |
1056 | * 0 don't care about verify failure. | |
1057 | * 1 fail if verify fails | |
1058 | */ | |
f7d53487 | 1059 | uint32_t verify_mode; |
b6ba4014 MC |
1060 | /* fail if callback returns 0 */ |
1061 | int (*verify_callback) (int ok, X509_STORE_CTX *ctx); | |
1062 | /* optional informational callback */ | |
1063 | void (*info_callback) (const SSL *ssl, int type, int val); | |
1064 | /* error bytes to be written */ | |
1065 | int error; | |
1066 | /* actual code */ | |
1067 | int error_code; | |
b6ba4014 MC |
1068 | # ifndef OPENSSL_NO_PSK |
1069 | unsigned int (*psk_client_callback) (SSL *ssl, const char *hint, | |
1070 | char *identity, | |
1071 | unsigned int max_identity_len, | |
1072 | unsigned char *psk, | |
1073 | unsigned int max_psk_len); | |
1074 | unsigned int (*psk_server_callback) (SSL *ssl, const char *identity, | |
1075 | unsigned char *psk, | |
1076 | unsigned int max_psk_len); | |
1077 | # endif | |
1078 | SSL_CTX *ctx; | |
696178ed DSH |
1079 | /* Verified chain of peer */ |
1080 | STACK_OF(X509) *verified_chain; | |
b6ba4014 | 1081 | long verify_result; |
696178ed | 1082 | /* extra application data */ |
b6ba4014 MC |
1083 | CRYPTO_EX_DATA ex_data; |
1084 | /* for server side, keep the list of CA_dn we can use */ | |
1085 | STACK_OF(X509_NAME) *client_CA; | |
1086 | int references; | |
1087 | /* protocol behaviour */ | |
f7d53487 | 1088 | uint32_t options; |
b6ba4014 | 1089 | /* API behaviour */ |
f7d53487 | 1090 | uint32_t mode; |
7946ab33 KR |
1091 | int min_proto_version; |
1092 | int max_proto_version; | |
b6ba4014 MC |
1093 | long max_cert_list; |
1094 | int first_packet; | |
1095 | /* what was passed, used for SSLv3/TLS rollback check */ | |
1096 | int client_version; | |
d102d9df MC |
1097 | |
1098 | /* | |
1099 | * If we're using more than one pipeline how should we divide the data | |
1100 | * up between the pipes? | |
1101 | */ | |
1102 | unsigned int split_send_fragment; | |
1103 | /* | |
1104 | * Maximum amount of data to send in one fragment. actual record size can | |
1105 | * be more than this due to padding and MAC overheads. | |
1106 | */ | |
b6ba4014 | 1107 | unsigned int max_send_fragment; |
e481f9b9 | 1108 | |
d102d9df MC |
1109 | /* Up to how many pipelines should we use? If 0 then 1 is assumed */ |
1110 | unsigned int max_pipelines; | |
1111 | ||
b6ba4014 MC |
1112 | /* TLS extension debug callback */ |
1113 | void (*tlsext_debug_cb) (SSL *s, int client_server, int type, | |
b6981744 | 1114 | const unsigned char *data, int len, void *arg); |
b6ba4014 MC |
1115 | void *tlsext_debug_arg; |
1116 | char *tlsext_hostname; | |
1117 | /*- | |
1118 | * no further mod of servername | |
1119 | * 0 : call the servername extension callback. | |
1120 | * 1 : prepare 2, allow last ack just after in server callback. | |
1121 | * 2 : don't call servername callback, no ack in server hello | |
1122 | */ | |
1123 | int servername_done; | |
1124 | /* certificate status request info */ | |
1125 | /* Status type or -1 if no status type */ | |
1126 | int tlsext_status_type; | |
ed29e82a RP |
1127 | # ifndef OPENSSL_NO_CT |
1128 | /* | |
1129 | * Validates that the SCTs (Signed Certificate Timestamps) are sufficient. | |
1130 | * If they are not, the connection should be aborted. | |
1131 | */ | |
43341433 | 1132 | ssl_ct_validation_cb ct_validation_callback; |
ed29e82a RP |
1133 | /* User-supplied argument tha tis passed to the ct_validation_callback */ |
1134 | void *ct_validation_callback_arg; | |
1135 | /* | |
1136 | * Consolidated stack of SCTs from all sources. | |
1137 | * Lazily populated by CT_get_peer_scts(SSL*) | |
1138 | */ | |
1139 | STACK_OF(SCT) *scts; | |
1140 | /* Raw extension data, if seen */ | |
1141 | unsigned char *tlsext_scts; | |
1142 | /* Length of raw extension data, if seen */ | |
1143 | uint16_t tlsext_scts_len; | |
1144 | /* Have we attempted to find/parse SCTs yet? */ | |
1145 | int scts_parsed; | |
1146 | # endif | |
b6ba4014 MC |
1147 | /* Expect OCSP CertificateStatus message */ |
1148 | int tlsext_status_expected; | |
1149 | /* OCSP status request only */ | |
1150 | STACK_OF(OCSP_RESPID) *tlsext_ocsp_ids; | |
1151 | X509_EXTENSIONS *tlsext_ocsp_exts; | |
1152 | /* OCSP response received or to be sent */ | |
1153 | unsigned char *tlsext_ocsp_resp; | |
1154 | int tlsext_ocsp_resplen; | |
1155 | /* RFC4507 session ticket expected to be received or sent */ | |
1156 | int tlsext_ticket_expected; | |
e481f9b9 | 1157 | # ifndef OPENSSL_NO_EC |
b6ba4014 MC |
1158 | size_t tlsext_ecpointformatlist_length; |
1159 | /* our list */ | |
1160 | unsigned char *tlsext_ecpointformatlist; | |
1161 | size_t tlsext_ellipticcurvelist_length; | |
1162 | /* our list */ | |
1163 | unsigned char *tlsext_ellipticcurvelist; | |
e481f9b9 | 1164 | # endif /* OPENSSL_NO_EC */ |
b6ba4014 MC |
1165 | /* TLS Session Ticket extension override */ |
1166 | TLS_SESSION_TICKET_EXT *tlsext_session_ticket; | |
1167 | /* TLS Session Ticket extension callback */ | |
1168 | tls_session_ticket_ext_cb_fn tls_session_ticket_ext_cb; | |
1169 | void *tls_session_ticket_ext_cb_arg; | |
1170 | /* TLS pre-shared secret session resumption */ | |
1171 | tls_session_secret_cb_fn tls_session_secret_cb; | |
1172 | void *tls_session_secret_cb_arg; | |
1173 | SSL_CTX *initial_ctx; /* initial ctx, used to store sessions */ | |
e481f9b9 | 1174 | # ifndef OPENSSL_NO_NEXTPROTONEG |
b6ba4014 MC |
1175 | /* |
1176 | * Next protocol negotiation. For the client, this is the protocol that | |
1177 | * we sent in NextProtocol and is set when handling ServerHello | |
1178 | * extensions. For a server, this is the client's selected_protocol from | |
1179 | * NextProtocol and is set when handling the NextProtocol message, before | |
1180 | * the Finished message. | |
1181 | */ | |
1182 | unsigned char *next_proto_negotiated; | |
1183 | unsigned char next_proto_negotiated_len; | |
e481f9b9 MC |
1184 | # endif |
1185 | # define session_ctx initial_ctx | |
b6ba4014 MC |
1186 | /* What we'll do */ |
1187 | STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles; | |
1188 | /* What's been chosen */ | |
1189 | SRTP_PROTECTION_PROFILE *srtp_profile; | |
1190 | /*- | |
1191 | * Is use of the Heartbeat extension negotiated? | |
1192 | * 0: disabled | |
1193 | * 1: enabled | |
1194 | * 2: enabled, but not allowed to send Requests | |
1195 | */ | |
1196 | unsigned int tlsext_heartbeat; | |
1197 | /* Indicates if a HeartbeatRequest is in flight */ | |
1198 | unsigned int tlsext_hb_pending; | |
1199 | /* HeartbeatRequest sequence number */ | |
1200 | unsigned int tlsext_hb_seq; | |
1201 | /* | |
1202 | * For a client, this contains the list of supported protocols in wire | |
1203 | * format. | |
1204 | */ | |
1205 | unsigned char *alpn_client_proto_list; | |
1206 | unsigned alpn_client_proto_list_len; | |
e481f9b9 | 1207 | |
b6ba4014 MC |
1208 | /*- |
1209 | * 1 if we are renegotiating. | |
1210 | * 2 if we are a server and are inside a handshake | |
1211 | * (i.e. not just sending a HelloRequest) | |
1212 | */ | |
1213 | int renegotiate; | |
1214 | # ifndef OPENSSL_NO_SRP | |
1215 | /* ctx for SRP authentication */ | |
1216 | SRP_CTX srp_ctx; | |
1217 | # endif | |
1218 | /* | |
1219 | * Callback for disabling session caching and ticket support on a session | |
1220 | * basis, depending on the chosen cipher. | |
1221 | */ | |
1222 | int (*not_resumable_session_cb) (SSL *ssl, int is_forward_secure); | |
08934f1a | 1223 | |
28d59af8 | 1224 | RECORD_LAYER rlayer; |
a974e64a MC |
1225 | |
1226 | /* Default password callback. */ | |
1227 | pem_password_cb *default_passwd_callback; | |
1228 | ||
1229 | /* Default password callback user data. */ | |
1230 | void *default_passwd_callback_userdata; | |
07bbc92c MC |
1231 | |
1232 | /* Async Job info */ | |
1233 | ASYNC_JOB *job; | |
ff75a257 | 1234 | ASYNC_WAIT_CTX *waitctx; |
16203f7b AG |
1235 | |
1236 | CRYPTO_RWLOCK *lock; | |
b6ba4014 MC |
1237 | }; |
1238 | ||
b6ba4014 | 1239 | |
b6ba4014 MC |
1240 | typedef struct ssl3_state_st { |
1241 | long flags; | |
b6ba4014 MC |
1242 | int read_mac_secret_size; |
1243 | unsigned char read_mac_secret[EVP_MAX_MD_SIZE]; | |
b6ba4014 MC |
1244 | int write_mac_secret_size; |
1245 | unsigned char write_mac_secret[EVP_MAX_MD_SIZE]; | |
1246 | unsigned char server_random[SSL3_RANDOM_SIZE]; | |
1247 | unsigned char client_random[SSL3_RANDOM_SIZE]; | |
1248 | /* flags for countermeasure against known-IV weakness */ | |
1249 | int need_empty_fragments; | |
1250 | int empty_fragment_done; | |
b6ba4014 MC |
1251 | /* used during startup, digest all incoming/outgoing packets */ |
1252 | BIO *handshake_buffer; | |
1253 | /* | |
28ba2541 DSH |
1254 | * When handshake digest is determined, buffer is hashed and |
1255 | * freed and MD_CTX for the required digest is stored here. | |
b6ba4014 | 1256 | */ |
28ba2541 | 1257 | EVP_MD_CTX *handshake_dgst; |
b6ba4014 MC |
1258 | /* |
1259 | * Set whenever an expected ChangeCipherSpec message is processed. | |
1260 | * Unset when the peer's Finished message is received. | |
1261 | * Unexpected ChangeCipherSpec messages trigger a fatal alert. | |
1262 | */ | |
1263 | int change_cipher_spec; | |
1264 | int warn_alert; | |
1265 | int fatal_alert; | |
1266 | /* | |
1267 | * we allow one fatal and one warning alert to be outstanding, send close | |
1268 | * alert via the warning alert | |
1269 | */ | |
1270 | int alert_dispatch; | |
1271 | unsigned char send_alert[2]; | |
1272 | /* | |
1273 | * This flag is set when we should renegotiate ASAP, basically when there | |
1274 | * is no more data in the read or write buffers | |
1275 | */ | |
1276 | int renegotiate; | |
1277 | int total_renegotiations; | |
1278 | int num_renegotiations; | |
1279 | int in_read_app_data; | |
1280 | struct { | |
b6ba4014 MC |
1281 | /* actually only need to be 16+20 for SSLv3 and 12 for TLS */ |
1282 | unsigned char finish_md[EVP_MAX_MD_SIZE * 2]; | |
1283 | int finish_md_len; | |
1284 | unsigned char peer_finish_md[EVP_MAX_MD_SIZE * 2]; | |
1285 | int peer_finish_md_len; | |
1286 | unsigned long message_size; | |
1287 | int message_type; | |
1288 | /* used to hold the new cipher we are going to use */ | |
1289 | const SSL_CIPHER *new_cipher; | |
b22d7113 DSH |
1290 | # if !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_DH) |
1291 | EVP_PKEY *pkey; /* holds short lived DH/ECDH key */ | |
b6ba4014 | 1292 | # endif |
b6ba4014 MC |
1293 | /* used for certificate requests */ |
1294 | int cert_req; | |
1295 | int ctype_num; | |
1296 | char ctype[SSL3_CT_NUMBER]; | |
1297 | STACK_OF(X509_NAME) *ca_names; | |
b6ba4014 MC |
1298 | int key_block_length; |
1299 | unsigned char *key_block; | |
1300 | const EVP_CIPHER *new_sym_enc; | |
1301 | const EVP_MD *new_hash; | |
1302 | int new_mac_pkey_type; | |
1303 | int new_mac_secret_size; | |
1304 | # ifndef OPENSSL_NO_COMP | |
1305 | const SSL_COMP *new_compression; | |
1306 | # else | |
1307 | char *new_compression; | |
1308 | # endif | |
1309 | int cert_request; | |
76106e60 DSH |
1310 | /* Raw values of the cipher list from a client */ |
1311 | unsigned char *ciphers_raw; | |
1312 | size_t ciphers_rawlen; | |
1313 | /* Temporary storage for premaster secret */ | |
1314 | unsigned char *pms; | |
1315 | size_t pmslen; | |
85269210 | 1316 | #ifndef OPENSSL_NO_PSK |
64651d39 DSH |
1317 | /* Temporary storage for PSK key */ |
1318 | unsigned char *psk; | |
1319 | size_t psklen; | |
85269210 | 1320 | #endif |
76106e60 DSH |
1321 | /* |
1322 | * signature algorithms peer reports: e.g. supported signature | |
1323 | * algorithms extension for server or as part of a certificate | |
1324 | * request for client. | |
1325 | */ | |
1326 | unsigned char *peer_sigalgs; | |
1327 | /* Size of above array */ | |
1328 | size_t peer_sigalgslen; | |
d376e57d DSH |
1329 | /* Digest peer uses for signing */ |
1330 | const EVP_MD *peer_md; | |
1331 | /* Array of digests used for signing */ | |
1332 | const EVP_MD *md[SSL_PKEY_NUM]; | |
6383d316 DSH |
1333 | /* |
1334 | * Set if corresponding CERT_PKEY can be used with current | |
1335 | * SSL session: e.g. appropriate curve, signature algorithms etc. | |
1336 | * If zero it can't be used at all. | |
1337 | */ | |
f7d53487 | 1338 | uint32_t valid_flags[SSL_PKEY_NUM]; |
4d69f9e6 DSH |
1339 | /* |
1340 | * For servers the following masks are for the key and auth algorithms | |
1341 | * that are supported by the certs below. For clients they are masks of | |
1342 | * *disabled* algorithms based on the current session. | |
1343 | */ | |
90d9e49a DSH |
1344 | uint32_t mask_k; |
1345 | uint32_t mask_a; | |
3eb2aff4 KR |
1346 | /* |
1347 | * The following are used by the client to see if a cipher is allowed or | |
1348 | * not. It contains the minimum and maximum version the client's using | |
1349 | * based on what it knows so far. | |
1350 | */ | |
1351 | int min_ver; | |
1352 | int max_ver; | |
b6ba4014 MC |
1353 | } tmp; |
1354 | ||
1355 | /* Connection binding to prevent renegotiation attacks */ | |
1356 | unsigned char previous_client_finished[EVP_MAX_MD_SIZE]; | |
1357 | unsigned char previous_client_finished_len; | |
1358 | unsigned char previous_server_finished[EVP_MAX_MD_SIZE]; | |
1359 | unsigned char previous_server_finished_len; | |
1360 | int send_connection_binding; /* TODOEKR */ | |
1361 | ||
1362 | # ifndef OPENSSL_NO_NEXTPROTONEG | |
1363 | /* | |
1364 | * Set if we saw the Next Protocol Negotiation extension from our peer. | |
1365 | */ | |
1366 | int next_proto_neg_seen; | |
1367 | # endif | |
1368 | ||
b6ba4014 MC |
1369 | /* |
1370 | * ALPN information (we are in the process of transitioning from NPN to | |
1371 | * ALPN.) | |
1372 | */ | |
1373 | ||
1374 | /* | |
1375 | * In a server these point to the selected ALPN protocol after the | |
1376 | * ClientHello has been processed. In a client these contain the protocol | |
1377 | * that the server selected once the ServerHello has been processed. | |
1378 | */ | |
1379 | unsigned char *alpn_selected; | |
817cd0d5 TS |
1380 | size_t alpn_selected_len; |
1381 | /* used by the server to know what options were proposed */ | |
1382 | unsigned char *alpn_proposed; | |
1383 | size_t alpn_proposed_len; | |
1384 | /* used by the client to know if it actually sent alpn */ | |
1385 | int alpn_sent; | |
b6ba4014 MC |
1386 | |
1387 | # ifndef OPENSSL_NO_EC | |
1388 | /* | |
1389 | * This is set to true if we believe that this is a version of Safari | |
1390 | * running on OS X 10.6 or newer. We wish to know this because Safari on | |
1391 | * 10.8 .. 10.8.3 has broken ECDHE-ECDSA support. | |
1392 | */ | |
1393 | char is_probably_safari; | |
1394 | # endif /* !OPENSSL_NO_EC */ | |
8d92c1f8 DSH |
1395 | |
1396 | /* For clients: peer temporary key */ | |
fb79abe3 | 1397 | # if !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_DH) |
61dd9f7a | 1398 | EVP_PKEY *peer_tmp; |
8d92c1f8 DSH |
1399 | # endif |
1400 | ||
b6ba4014 MC |
1401 | } SSL3_STATE; |
1402 | ||
1403 | ||
1404 | /* DTLS structures */ | |
1405 | ||
1406 | # ifndef OPENSSL_NO_SCTP | |
1407 | # define DTLS1_SCTP_AUTH_LABEL "EXPORTER_DTLS_OVER_SCTP" | |
1408 | # endif | |
1409 | ||
1410 | /* Max MTU overhead we know about so far is 40 for IPv6 + 8 for UDP */ | |
1411 | # define DTLS1_MAX_MTU_OVERHEAD 48 | |
1412 | ||
e3d0dae7 MC |
1413 | /* |
1414 | * Flag used in message reuse to indicate the buffer contains the record | |
1415 | * header as well as the the handshake message header. | |
1416 | */ | |
1417 | # define DTLS1_SKIP_RECORD_HEADER 2 | |
1418 | ||
b6ba4014 MC |
1419 | struct dtls1_retransmit_state { |
1420 | EVP_CIPHER_CTX *enc_write_ctx; /* cryptographic state */ | |
1421 | EVP_MD_CTX *write_hash; /* used for mac generation */ | |
b6ba4014 | 1422 | COMP_CTX *compress; /* compression */ |
b6ba4014 MC |
1423 | SSL_SESSION *session; |
1424 | unsigned short epoch; | |
1425 | }; | |
1426 | ||
1427 | struct hm_header_st { | |
1428 | unsigned char type; | |
1429 | unsigned long msg_len; | |
1430 | unsigned short seq; | |
1431 | unsigned long frag_off; | |
1432 | unsigned long frag_len; | |
1433 | unsigned int is_ccs; | |
1434 | struct dtls1_retransmit_state saved_retransmit_state; | |
1435 | }; | |
1436 | ||
b6ba4014 MC |
1437 | struct dtls1_timeout_st { |
1438 | /* Number of read timeouts so far */ | |
1439 | unsigned int read_timeouts; | |
1440 | /* Number of write timeouts so far */ | |
1441 | unsigned int write_timeouts; | |
1442 | /* Number of alerts received so far */ | |
1443 | unsigned int num_alerts; | |
1444 | }; | |
1445 | ||
b6ba4014 MC |
1446 | typedef struct hm_fragment_st { |
1447 | struct hm_header_st msg_header; | |
1448 | unsigned char *fragment; | |
1449 | unsigned char *reassembly; | |
1450 | } hm_fragment; | |
1451 | ||
cf2cede4 RS |
1452 | typedef struct pqueue_st pqueue; |
1453 | typedef struct pitem_st pitem; | |
1454 | ||
1455 | struct pitem_st { | |
1456 | unsigned char priority[8]; /* 64-bit value in big-endian encoding */ | |
1457 | void *data; | |
1458 | pitem *next; | |
1459 | }; | |
1460 | ||
1461 | typedef struct pitem_st *piterator; | |
1462 | ||
1463 | pitem *pitem_new(unsigned char *prio64be, void *data); | |
1464 | void pitem_free(pitem *item); | |
1465 | pqueue* pqueue_new(void); | |
1466 | void pqueue_free(pqueue *pq); | |
1467 | pitem *pqueue_insert(pqueue *pq, pitem *item); | |
1468 | pitem *pqueue_peek(pqueue *pq); | |
1469 | pitem *pqueue_pop(pqueue *pq); | |
1470 | pitem *pqueue_find(pqueue *pq, unsigned char *prio64be); | |
1471 | pitem *pqueue_iterator(pqueue *pq); | |
1472 | pitem *pqueue_next(piterator *iter); | |
cf2cede4 RS |
1473 | int pqueue_size(pqueue *pq); |
1474 | ||
b6ba4014 | 1475 | typedef struct dtls1_state_st { |
b6ba4014 | 1476 | unsigned char cookie[DTLS1_COOKIE_LENGTH]; |
b6ba4014 | 1477 | unsigned int cookie_len; |
e27f234a | 1478 | unsigned int cookie_verified; |
78a39fe7 | 1479 | |
b6ba4014 MC |
1480 | /* handshake message numbers */ |
1481 | unsigned short handshake_write_seq; | |
1482 | unsigned short next_handshake_write_seq; | |
1483 | unsigned short handshake_read_seq; | |
3bb8f87d | 1484 | |
b6ba4014 | 1485 | /* Buffered handshake messages */ |
cf2cede4 | 1486 | pqueue *buffered_messages; |
b6ba4014 | 1487 | /* Buffered (sent) handshake records */ |
cf2cede4 | 1488 | pqueue *sent_messages; |
24a1e2f2 | 1489 | |
b6ba4014 MC |
1490 | unsigned int link_mtu; /* max on-the-wire DTLS packet size */ |
1491 | unsigned int mtu; /* max DTLS packet size */ | |
1492 | struct hm_header_st w_msg_hdr; | |
1493 | struct hm_header_st r_msg_hdr; | |
1494 | struct dtls1_timeout_st timeout; | |
1495 | /* | |
1496 | * Indicates when the last handshake msg or heartbeat sent will timeout | |
1497 | */ | |
1498 | struct timeval next_timeout; | |
1499 | /* Timeout duration */ | |
1500 | unsigned short timeout_duration; | |
c661ac16 | 1501 | |
b6ba4014 | 1502 | unsigned int retransmitting; |
b6ba4014 | 1503 | # ifndef OPENSSL_NO_SCTP |
b6ba4014 MC |
1504 | int shutdown_received; |
1505 | # endif | |
1506 | } DTLS1_STATE; | |
1507 | ||
b6ba4014 MC |
1508 | |
1509 | ||
0f113f3e MC |
1510 | # ifndef OPENSSL_NO_EC |
1511 | /* | |
1512 | * From ECC-TLS draft, used in encoding the curve type in ECParameters | |
ea262260 | 1513 | */ |
0f113f3e MC |
1514 | # define EXPLICIT_PRIME_CURVE_TYPE 1 |
1515 | # define EXPLICIT_CHAR2_CURVE_TYPE 2 | |
1516 | # define NAMED_CURVE_TYPE 3 | |
1517 | # endif /* OPENSSL_NO_EC */ | |
1518 | ||
1519 | typedef struct cert_pkey_st { | |
1520 | X509 *x509; | |
1521 | EVP_PKEY *privatekey; | |
0f113f3e MC |
1522 | /* Chain for this certificate */ |
1523 | STACK_OF(X509) *chain; | |
e481f9b9 | 1524 | |
50e735f9 MC |
1525 | /*- |
1526 | * serverinfo data for this certificate. The data is in TLS Extension | |
1527 | * wire format, specifically it's a series of records like: | |
1528 | * uint16_t extension_type; // (RFC 5246, 7.4.1.4, Extension) | |
1529 | * uint16_t length; | |
1530 | * uint8_t data[length]; | |
1531 | */ | |
0f113f3e MC |
1532 | unsigned char *serverinfo; |
1533 | size_t serverinfo_length; | |
0f113f3e | 1534 | } CERT_PKEY; |
2ea80354 | 1535 | /* Retrieve Suite B flags */ |
0f113f3e | 1536 | # define tls1_suiteb(s) (s->cert->cert_flags & SSL_CERT_FLAG_SUITEB_128_LOS) |
2ea80354 | 1537 | /* Uses to check strict mode: suite B modes are always strict */ |
0f113f3e MC |
1538 | # define SSL_CERT_FLAGS_CHECK_TLS_STRICT \ |
1539 | (SSL_CERT_FLAG_SUITEB_128_LOS|SSL_CERT_FLAG_TLS_STRICT) | |
d02b48c6 | 1540 | |
b83294fe | 1541 | typedef struct { |
0f113f3e MC |
1542 | unsigned short ext_type; |
1543 | /* | |
1544 | * Per-connection flags relating to this extension type: not used if | |
1545 | * part of an SSL_CTX structure. | |
1546 | */ | |
f7d53487 | 1547 | uint32_t ext_flags; |
0f113f3e MC |
1548 | custom_ext_add_cb add_cb; |
1549 | custom_ext_free_cb free_cb; | |
1550 | void *add_arg; | |
1551 | custom_ext_parse_cb parse_cb; | |
1552 | void *parse_arg; | |
ecf4d660 | 1553 | } custom_ext_method; |
b83294fe | 1554 | |
28ea0a0c DSH |
1555 | /* ext_flags values */ |
1556 | ||
0f113f3e MC |
1557 | /* |
1558 | * Indicates an extension has been received. Used to check for unsolicited or | |
1559 | * duplicate extensions. | |
28ea0a0c | 1560 | */ |
0f113f3e MC |
1561 | # define SSL_EXT_FLAG_RECEIVED 0x1 |
1562 | /* | |
1563 | * Indicates an extension has been sent: used to enable sending of | |
1564 | * corresponding ServerHello extension. | |
28ea0a0c | 1565 | */ |
0f113f3e | 1566 | # define SSL_EXT_FLAG_SENT 0x2 |
28ea0a0c | 1567 | |
b83294fe | 1568 | typedef struct { |
0f113f3e MC |
1569 | custom_ext_method *meths; |
1570 | size_t meths_count; | |
ecf4d660 | 1571 | } custom_ext_methods; |
b83294fe | 1572 | |
0f113f3e MC |
1573 | typedef struct cert_st { |
1574 | /* Current active set */ | |
1575 | /* | |
1576 | * ALWAYS points to an element of the pkeys array | |
1577 | * Probably it would make more sense to store | |
1578 | * an index, not a pointer. | |
1579 | */ | |
1580 | CERT_PKEY *key; | |
0f113f3e | 1581 | # ifndef OPENSSL_NO_DH |
e2b420fd | 1582 | EVP_PKEY *dh_tmp; |
0f113f3e MC |
1583 | DH *(*dh_tmp_cb) (SSL *ssl, int is_export, int keysize); |
1584 | int dh_tmp_auto; | |
0f113f3e MC |
1585 | # endif |
1586 | /* Flags related to certificates */ | |
f7d53487 | 1587 | uint32_t cert_flags; |
0f113f3e MC |
1588 | CERT_PKEY pkeys[SSL_PKEY_NUM]; |
1589 | /* | |
1590 | * Certificate types (received or sent) in certificate request message. | |
1591 | * On receive this is only set if number of certificate types exceeds | |
1592 | * SSL3_CT_NUMBER. | |
1593 | */ | |
1594 | unsigned char *ctypes; | |
1595 | size_t ctype_num; | |
0f113f3e MC |
1596 | /* |
1597 | * suppported signature algorithms. When set on a client this is sent in | |
1598 | * the client hello as the supported signature algorithms extension. For | |
1599 | * servers it represents the signature algorithms we are willing to use. | |
1600 | */ | |
1601 | unsigned char *conf_sigalgs; | |
1602 | /* Size of above array */ | |
1603 | size_t conf_sigalgslen; | |
1604 | /* | |
1605 | * Client authentication signature algorithms, if not set then uses | |
1606 | * conf_sigalgs. On servers these will be the signature algorithms sent | |
1607 | * to the client in a cerificate request for TLS 1.2. On a client this | |
1608 | * represents the signature algortithms we are willing to use for client | |
1609 | * authentication. | |
1610 | */ | |
1611 | unsigned char *client_sigalgs; | |
1612 | /* Size of above array */ | |
1613 | size_t client_sigalgslen; | |
1614 | /* | |
1615 | * Signature algorithms shared by client and server: cached because these | |
1616 | * are used most often. | |
1617 | */ | |
1618 | TLS_SIGALGS *shared_sigalgs; | |
1619 | size_t shared_sigalgslen; | |
1620 | /* | |
1621 | * Certificate setup callback: if set is called whenever a certificate | |
1622 | * may be required (client or server). the callback can then examine any | |
1623 | * appropriate parameters and setup any certificates required. This | |
1624 | * allows advanced applications to select certificates on the fly: for | |
1625 | * example based on supported signature algorithms or curves. | |
1626 | */ | |
1627 | int (*cert_cb) (SSL *ssl, void *arg); | |
1628 | void *cert_cb_arg; | |
1629 | /* | |
1630 | * Optional X509_STORE for chain building or certificate validation If | |
1631 | * NULL the parent SSL_CTX store is used instead. | |
1632 | */ | |
1633 | X509_STORE *chain_store; | |
1634 | X509_STORE *verify_store; | |
0f113f3e MC |
1635 | /* Custom extension methods for server and client */ |
1636 | custom_ext_methods cli_ext; | |
1637 | custom_ext_methods srv_ext; | |
1638 | /* Security callback */ | |
e4646a89 | 1639 | int (*sec_cb) (const SSL *s, const SSL_CTX *ctx, int op, int bits, int nid, |
0f113f3e MC |
1640 | void *other, void *ex); |
1641 | /* Security level */ | |
1642 | int sec_level; | |
1643 | void *sec_ex; | |
df6da24b DSH |
1644 | #ifndef OPENSSL_NO_PSK |
1645 | /* If not NULL psk identity hint to use for servers */ | |
1646 | char *psk_identity_hint; | |
1647 | #endif | |
0f113f3e | 1648 | int references; /* >1 only if SSL_copy_session_id is used */ |
16203f7b | 1649 | CRYPTO_RWLOCK *lock; |
0f113f3e MC |
1650 | } CERT; |
1651 | ||
e7f8ff43 | 1652 | /* Structure containing decoded values of signature algorithms extension */ |
0f113f3e MC |
1653 | struct tls_sigalgs_st { |
1654 | /* NID of hash algorithm */ | |
1655 | int hash_nid; | |
1656 | /* NID of signature algorithm */ | |
1657 | int sign_nid; | |
1658 | /* Combined hash and signature NID */ | |
1659 | int signandhash_nid; | |
1660 | /* Raw values used in extension */ | |
1661 | unsigned char rsign; | |
1662 | unsigned char rhash; | |
1663 | }; | |
1664 | ||
0f113f3e | 1665 | # define FP_ICC (int (*)(const void *,const void *)) |
0f113f3e MC |
1666 | |
1667 | /* | |
1668 | * This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff It is a bit | |
1669 | * of a mess of functions, but hell, think of it as an opaque structure :-) | |
1670 | */ | |
1671 | typedef struct ssl3_enc_method { | |
d102d9df MC |
1672 | int (*enc) (SSL *, SSL3_RECORD *, unsigned int, int); |
1673 | int (*mac) (SSL *, SSL3_RECORD *, unsigned char *, int); | |
0f113f3e MC |
1674 | int (*setup_key_block) (SSL *); |
1675 | int (*generate_master_secret) (SSL *, unsigned char *, unsigned char *, | |
1676 | int); | |
1677 | int (*change_cipher_state) (SSL *, int); | |
1678 | int (*final_finish_mac) (SSL *, const char *, int, unsigned char *); | |
1679 | int finish_mac_length; | |
0f113f3e MC |
1680 | const char *client_finished_label; |
1681 | int client_finished_label_len; | |
1682 | const char *server_finished_label; | |
1683 | int server_finished_label_len; | |
1684 | int (*alert_value) (int); | |
1685 | int (*export_keying_material) (SSL *, unsigned char *, size_t, | |
1686 | const char *, size_t, | |
1687 | const unsigned char *, size_t, | |
1688 | int use_context); | |
1689 | /* Various flags indicating protocol version requirements */ | |
f7d53487 | 1690 | uint32_t enc_flags; |
0f113f3e MC |
1691 | /* Handshake header length */ |
1692 | unsigned int hhlen; | |
1693 | /* Set the handshake header */ | |
77d514c5 | 1694 | int (*set_handshake_header) (SSL *s, int type, unsigned long len); |
0f113f3e MC |
1695 | /* Write out handshake message */ |
1696 | int (*do_write) (SSL *s); | |
1697 | } SSL3_ENC_METHOD; | |
1698 | ||
1699 | # define SSL_HM_HEADER_LENGTH(s) s->method->ssl3_enc->hhlen | |
1700 | # define ssl_handshake_start(s) \ | |
1701 | (((unsigned char *)s->init_buf->data) + s->method->ssl3_enc->hhlen) | |
1702 | # define ssl_set_handshake_header(s, htype, len) \ | |
1703 | s->method->ssl3_enc->set_handshake_header(s, htype, len) | |
1704 | # define ssl_do_write(s) s->method->ssl3_enc->do_write(s) | |
173e72e6 DSH |
1705 | |
1706 | /* Values for enc_flags */ | |
1707 | ||
1708 | /* Uses explicit IV for CBC mode */ | |
0f113f3e | 1709 | # define SSL_ENC_FLAG_EXPLICIT_IV 0x1 |
173e72e6 | 1710 | /* Uses signature algorithms extension */ |
0f113f3e | 1711 | # define SSL_ENC_FLAG_SIGALGS 0x2 |
cbd64894 | 1712 | /* Uses SHA256 default PRF */ |
0f113f3e | 1713 | # define SSL_ENC_FLAG_SHA256_PRF 0x4 |
173e72e6 | 1714 | /* Is DTLS */ |
0f113f3e MC |
1715 | # define SSL_ENC_FLAG_DTLS 0x8 |
1716 | /* | |
1717 | * Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2: may | |
1718 | * apply to others in future. | |
4221c0dd | 1719 | */ |
0f113f3e | 1720 | # define SSL_ENC_FLAG_TLS1_2_CIPHERS 0x10 |
173e72e6 | 1721 | |
0f113f3e | 1722 | # ifndef OPENSSL_NO_COMP |
651d0aff | 1723 | /* Used for holding the relevant compression methods loaded into SSL_CTX */ |
0f113f3e MC |
1724 | typedef struct ssl3_comp_st { |
1725 | int comp_id; /* The identifier byte for this compression | |
1726 | * type */ | |
1727 | char *name; /* Text name used for the compression type */ | |
1728 | COMP_METHOD *method; /* The method :-) */ | |
1729 | } SSL3_COMP; | |
1730 | # endif | |
dfeab068 | 1731 | |
3ed449e9 | 1732 | extern SSL3_ENC_METHOD ssl3_undef_enc_method; |
7d7d2cbc | 1733 | |
2b8fa1d5 KR |
1734 | __owur const SSL_METHOD *ssl_bad_method(int ver); |
1735 | __owur const SSL_METHOD *sslv3_method(void); | |
1736 | __owur const SSL_METHOD *sslv3_server_method(void); | |
1737 | __owur const SSL_METHOD *sslv3_client_method(void); | |
1738 | __owur const SSL_METHOD *tlsv1_method(void); | |
1739 | __owur const SSL_METHOD *tlsv1_server_method(void); | |
1740 | __owur const SSL_METHOD *tlsv1_client_method(void); | |
1741 | __owur const SSL_METHOD *tlsv1_1_method(void); | |
1742 | __owur const SSL_METHOD *tlsv1_1_server_method(void); | |
1743 | __owur const SSL_METHOD *tlsv1_1_client_method(void); | |
1744 | __owur const SSL_METHOD *tlsv1_2_method(void); | |
1745 | __owur const SSL_METHOD *tlsv1_2_server_method(void); | |
1746 | __owur const SSL_METHOD *tlsv1_2_client_method(void); | |
1747 | __owur const SSL_METHOD *dtlsv1_method(void); | |
1748 | __owur const SSL_METHOD *dtlsv1_server_method(void); | |
1749 | __owur const SSL_METHOD *dtlsv1_client_method(void); | |
1750 | __owur const SSL_METHOD *dtlsv1_2_method(void); | |
1751 | __owur const SSL_METHOD *dtlsv1_2_server_method(void); | |
1752 | __owur const SSL_METHOD *dtlsv1_2_client_method(void); | |
d02b48c6 | 1753 | |
161e0a61 BL |
1754 | extern const SSL3_ENC_METHOD TLSv1_enc_data; |
1755 | extern const SSL3_ENC_METHOD TLSv1_1_enc_data; | |
1756 | extern const SSL3_ENC_METHOD TLSv1_2_enc_data; | |
8892ce77 BL |
1757 | extern const SSL3_ENC_METHOD SSLv3_enc_data; |
1758 | extern const SSL3_ENC_METHOD DTLSv1_enc_data; | |
1759 | extern const SSL3_ENC_METHOD DTLSv1_2_enc_data; | |
f3b656b2 | 1760 | |
4fa52141 VD |
1761 | /* |
1762 | * Flags for SSL methods | |
1763 | */ | |
1764 | #define SSL_METHOD_NO_FIPS (1U<<0) | |
1765 | #define SSL_METHOD_NO_SUITEB (1U<<1) | |
1766 | ||
1767 | # define IMPLEMENT_tls_meth_func(version, flags, mask, func_name, s_accept, \ | |
ccae4a15 | 1768 | s_connect, enc_data) \ |
4ebb342f | 1769 | const SSL_METHOD *func_name(void) \ |
0f113f3e MC |
1770 | { \ |
1771 | static const SSL_METHOD func_name##_data= { \ | |
1772 | version, \ | |
4fa52141 VD |
1773 | flags, \ |
1774 | mask, \ | |
0f113f3e MC |
1775 | tls1_new, \ |
1776 | tls1_clear, \ | |
1777 | tls1_free, \ | |
1778 | s_accept, \ | |
1779 | s_connect, \ | |
1780 | ssl3_read, \ | |
1781 | ssl3_peek, \ | |
1782 | ssl3_write, \ | |
1783 | ssl3_shutdown, \ | |
1784 | ssl3_renegotiate, \ | |
1785 | ssl3_renegotiate_check, \ | |
0f113f3e MC |
1786 | ssl3_read_bytes, \ |
1787 | ssl3_write_bytes, \ | |
1788 | ssl3_dispatch_alert, \ | |
1789 | ssl3_ctrl, \ | |
1790 | ssl3_ctx_ctrl, \ | |
1791 | ssl3_get_cipher_by_char, \ | |
1792 | ssl3_put_cipher_by_char, \ | |
1793 | ssl3_pending, \ | |
1794 | ssl3_num_ciphers, \ | |
1795 | ssl3_get_cipher, \ | |
0f113f3e MC |
1796 | tls1_default_timeout, \ |
1797 | &enc_data, \ | |
1798 | ssl_undefined_void_function, \ | |
1799 | ssl3_callback_ctrl, \ | |
1800 | ssl3_ctx_callback_ctrl, \ | |
1801 | }; \ | |
1802 | return &func_name##_data; \ | |
1803 | } | |
1804 | ||
ccae4a15 | 1805 | # define IMPLEMENT_ssl3_meth_func(func_name, s_accept, s_connect) \ |
4ebb342f | 1806 | const SSL_METHOD *func_name(void) \ |
0f113f3e MC |
1807 | { \ |
1808 | static const SSL_METHOD func_name##_data= { \ | |
1809 | SSL3_VERSION, \ | |
4fa52141 VD |
1810 | SSL_METHOD_NO_FIPS | SSL_METHOD_NO_SUITEB, \ |
1811 | SSL_OP_NO_SSLv3, \ | |
0f113f3e MC |
1812 | ssl3_new, \ |
1813 | ssl3_clear, \ | |
1814 | ssl3_free, \ | |
1815 | s_accept, \ | |
1816 | s_connect, \ | |
1817 | ssl3_read, \ | |
1818 | ssl3_peek, \ | |
1819 | ssl3_write, \ | |
1820 | ssl3_shutdown, \ | |
1821 | ssl3_renegotiate, \ | |
1822 | ssl3_renegotiate_check, \ | |
0f113f3e MC |
1823 | ssl3_read_bytes, \ |
1824 | ssl3_write_bytes, \ | |
1825 | ssl3_dispatch_alert, \ | |
1826 | ssl3_ctrl, \ | |
1827 | ssl3_ctx_ctrl, \ | |
1828 | ssl3_get_cipher_by_char, \ | |
1829 | ssl3_put_cipher_by_char, \ | |
1830 | ssl3_pending, \ | |
1831 | ssl3_num_ciphers, \ | |
1832 | ssl3_get_cipher, \ | |
0f113f3e MC |
1833 | ssl3_default_timeout, \ |
1834 | &SSLv3_enc_data, \ | |
1835 | ssl_undefined_void_function, \ | |
1836 | ssl3_callback_ctrl, \ | |
1837 | ssl3_ctx_callback_ctrl, \ | |
1838 | }; \ | |
1839 | return &func_name##_data; \ | |
1840 | } | |
1841 | ||
4fa52141 | 1842 | # define IMPLEMENT_dtls1_meth_func(version, flags, mask, func_name, s_accept, \ |
ccae4a15 | 1843 | s_connect, enc_data) \ |
4ebb342f | 1844 | const SSL_METHOD *func_name(void) \ |
0f113f3e MC |
1845 | { \ |
1846 | static const SSL_METHOD func_name##_data= { \ | |
1847 | version, \ | |
4fa52141 VD |
1848 | flags, \ |
1849 | mask, \ | |
0f113f3e MC |
1850 | dtls1_new, \ |
1851 | dtls1_clear, \ | |
1852 | dtls1_free, \ | |
1853 | s_accept, \ | |
1854 | s_connect, \ | |
1855 | ssl3_read, \ | |
1856 | ssl3_peek, \ | |
1857 | ssl3_write, \ | |
1858 | dtls1_shutdown, \ | |
1859 | ssl3_renegotiate, \ | |
1860 | ssl3_renegotiate_check, \ | |
0f113f3e MC |
1861 | dtls1_read_bytes, \ |
1862 | dtls1_write_app_data_bytes, \ | |
1863 | dtls1_dispatch_alert, \ | |
1864 | dtls1_ctrl, \ | |
1865 | ssl3_ctx_ctrl, \ | |
1866 | ssl3_get_cipher_by_char, \ | |
1867 | ssl3_put_cipher_by_char, \ | |
1868 | ssl3_pending, \ | |
1869 | ssl3_num_ciphers, \ | |
ca3895f0 | 1870 | ssl3_get_cipher, \ |
0f113f3e MC |
1871 | dtls1_default_timeout, \ |
1872 | &enc_data, \ | |
1873 | ssl_undefined_void_function, \ | |
1874 | ssl3_callback_ctrl, \ | |
1875 | ssl3_ctx_callback_ctrl, \ | |
1876 | }; \ | |
1877 | return &func_name##_data; \ | |
1878 | } | |
1879 | ||
1880 | struct openssl_ssl_test_functions { | |
1881 | int (*p_ssl_init_wbio_buffer) (SSL *s, int push); | |
1882 | int (*p_ssl3_setup_buffers) (SSL *s); | |
08934f1a | 1883 | # ifndef OPENSSL_NO_HEARTBEATS |
2c60ed04 MC |
1884 | int (*p_dtls1_process_heartbeat) (SSL *s, |
1885 | unsigned char *p, unsigned int length); | |
08934f1a | 1886 | # endif |
0f113f3e MC |
1887 | }; |
1888 | ||
3eb2aff4 | 1889 | const char *ssl_protocol_to_string(int version); |
7d650072 | 1890 | |
0f113f3e | 1891 | # ifndef OPENSSL_UNIT_TEST |
e0fc7961 | 1892 | |
d02b48c6 RE |
1893 | void ssl_clear_cipher_ctx(SSL *s); |
1894 | int ssl_clear_bad_session(SSL *s); | |
4bcdb4a6 MC |
1895 | __owur CERT *ssl_cert_new(void); |
1896 | __owur CERT *ssl_cert_dup(CERT *cert); | |
a5ee80b9 | 1897 | void ssl_cert_clear_certs(CERT *c); |
d02b48c6 | 1898 | void ssl_cert_free(CERT *c); |
4bcdb4a6 | 1899 | __owur int ssl_get_new_session(SSL *s, int session); |
b3e2272c EK |
1900 | __owur int ssl_get_prev_session(SSL *s, const PACKET *ext, |
1901 | const PACKET *session_id); | |
98ece4ee | 1902 | __owur SSL_SESSION *ssl_session_dup(SSL_SESSION *src, int ticket); |
4bcdb4a6 | 1903 | __owur int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b); |
0f113f3e | 1904 | DECLARE_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, ssl_cipher_id); |
4bcdb4a6 | 1905 | __owur int ssl_cipher_ptr_id_cmp(const SSL_CIPHER *const *ap, |
0f113f3e | 1906 | const SSL_CIPHER *const *bp); |
4bcdb4a6 | 1907 | __owur STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *meth, |
0f113f3e MC |
1908 | STACK_OF(SSL_CIPHER) **pref, |
1909 | STACK_OF(SSL_CIPHER) **sorted, | |
1910 | const char *rule_str, CERT *c); | |
d02b48c6 | 1911 | void ssl_update_cache(SSL *s, int mode); |
4bcdb4a6 | 1912 | __owur int ssl_cipher_get_evp(const SSL_SESSION *s, const EVP_CIPHER **enc, |
0f113f3e MC |
1913 | const EVP_MD **md, int *mac_pkey_type, |
1914 | int *mac_secret_size, SSL_COMP **comp, int use_etm); | |
4bcdb4a6 MC |
1915 | __owur int ssl_cipher_get_cert_index(const SSL_CIPHER *c); |
1916 | __owur const SSL_CIPHER *ssl_get_cipher_by_char(SSL *ssl, const unsigned char *ptr); | |
1917 | __owur int ssl_cert_set0_chain(SSL *s, SSL_CTX *ctx, STACK_OF(X509) *chain); | |
1918 | __owur int ssl_cert_set1_chain(SSL *s, SSL_CTX *ctx, STACK_OF(X509) *chain); | |
1919 | __owur int ssl_cert_add0_chain_cert(SSL *s, SSL_CTX *ctx, X509 *x); | |
1920 | __owur int ssl_cert_add1_chain_cert(SSL *s, SSL_CTX *ctx, X509 *x); | |
1921 | __owur int ssl_cert_select_current(CERT *c, X509 *x); | |
1922 | __owur int ssl_cert_set_current(CERT *c, long arg); | |
1923 | __owur X509 *ssl_cert_get0_next_certificate(CERT *c, int first); | |
0f113f3e MC |
1924 | void ssl_cert_set_cert_cb(CERT *c, int (*cb) (SSL *ssl, void *arg), |
1925 | void *arg); | |
f71c6e52 | 1926 | |
4bcdb4a6 MC |
1927 | __owur int ssl_verify_cert_chain(SSL *s, STACK_OF(X509) *sk); |
1928 | __owur int ssl_add_cert_chain(SSL *s, CERT_PKEY *cpk, unsigned long *l); | |
1929 | __owur int ssl_build_cert_chain(SSL *s, SSL_CTX *ctx, int flags); | |
1930 | __owur int ssl_cert_set_cert_store(CERT *c, X509_STORE *store, int chain, int ref); | |
b362ccab | 1931 | |
e4646a89 KR |
1932 | __owur int ssl_security(const SSL *s, int op, int bits, int nid, void *other); |
1933 | __owur int ssl_ctx_security(const SSL_CTX *ctx, int op, int bits, int nid, void *other); | |
b362ccab | 1934 | |
d02b48c6 | 1935 | int ssl_undefined_function(SSL *s); |
4bcdb4a6 MC |
1936 | __owur int ssl_undefined_void_function(void); |
1937 | __owur int ssl_undefined_const_function(const SSL *s); | |
6383d316 | 1938 | __owur CERT_PKEY *ssl_get_server_send_pkey(SSL *s); |
4bcdb4a6 | 1939 | __owur int ssl_get_server_cert_serverinfo(SSL *s, const unsigned char **serverinfo, |
0f113f3e | 1940 | size_t *serverinfo_length); |
4bcdb4a6 MC |
1941 | __owur EVP_PKEY *ssl_get_sign_pkey(SSL *s, const SSL_CIPHER *c, const EVP_MD **pmd); |
1942 | __owur int ssl_cert_type(X509 *x, EVP_PKEY *pkey); | |
2cf28d61 | 1943 | void ssl_set_masks(SSL *s); |
4bcdb4a6 MC |
1944 | __owur STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s); |
1945 | __owur int ssl_verify_alarm_type(long type); | |
748f2546 | 1946 | void ssl_sort_cipher_list(void); |
7f3c9036 | 1947 | void ssl_load_ciphers(void); |
4bcdb4a6 | 1948 | __owur int ssl_fill_hello_random(SSL *s, int server, unsigned char *field, int len); |
57b272b0 DSH |
1949 | __owur int ssl_generate_master_secret(SSL *s, unsigned char *pms, size_t pmslen, |
1950 | int free_pms); | |
3f3504bd DSH |
1951 | __owur EVP_PKEY *ssl_generate_pkey(EVP_PKEY *pm, int nid); |
1952 | __owur int ssl_derive(SSL *s, EVP_PKEY *privkey, EVP_PKEY *pubkey); | |
6c4e6670 | 1953 | __owur EVP_PKEY *ssl_dh_to_pkey(DH *dh); |
d02b48c6 | 1954 | |
4bcdb4a6 MC |
1955 | __owur const SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p); |
1956 | __owur int ssl3_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p); | |
d02b48c6 | 1957 | void ssl3_init_finished_mac(SSL *s); |
4bcdb4a6 | 1958 | __owur int ssl3_setup_key_block(SSL *s); |
4bcdb4a6 | 1959 | __owur int ssl3_change_cipher_state(SSL *s, int which); |
d02b48c6 | 1960 | void ssl3_cleanup_key_block(SSL *s); |
4bcdb4a6 | 1961 | __owur int ssl3_do_write(SSL *s, int type); |
0f113f3e | 1962 | int ssl3_send_alert(SSL *s, int level, int desc); |
4bcdb4a6 | 1963 | __owur int ssl3_generate_master_secret(SSL *s, unsigned char *out, |
0f113f3e | 1964 | unsigned char *p, int len); |
4bcdb4a6 | 1965 | __owur int ssl3_get_req_cert_type(SSL *s, unsigned char *p); |
4bcdb4a6 MC |
1966 | __owur int ssl3_num_ciphers(void); |
1967 | __owur const SSL_CIPHER *ssl3_get_cipher(unsigned int u); | |
0f113f3e MC |
1968 | int ssl3_renegotiate(SSL *ssl); |
1969 | int ssl3_renegotiate_check(SSL *ssl); | |
4bcdb4a6 | 1970 | __owur int ssl3_dispatch_alert(SSL *s); |
4bcdb4a6 | 1971 | __owur int ssl3_final_finish_mac(SSL *s, const char *sender, int slen, |
0f113f3e | 1972 | unsigned char *p); |
e778802f | 1973 | void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len); |
81025661 | 1974 | void ssl3_free_digest_list(SSL *s); |
4bcdb4a6 | 1975 | __owur unsigned long ssl3_output_cert_chain(SSL *s, CERT_PKEY *cpk); |
4a640fb6 DSH |
1976 | __owur const SSL_CIPHER *ssl3_choose_cipher(SSL *ssl, |
1977 | STACK_OF(SSL_CIPHER) *clnt, | |
1978 | STACK_OF(SSL_CIPHER) *srvr); | |
124037fd | 1979 | __owur int ssl3_digest_cached_records(SSL *s, int keep); |
4bcdb4a6 | 1980 | __owur int ssl3_new(SSL *s); |
0f113f3e | 1981 | void ssl3_free(SSL *s); |
4bcdb4a6 MC |
1982 | __owur int ssl3_read(SSL *s, void *buf, int len); |
1983 | __owur int ssl3_peek(SSL *s, void *buf, int len); | |
1984 | __owur int ssl3_write(SSL *s, const void *buf, int len); | |
1985 | __owur int ssl3_shutdown(SSL *s); | |
0f113f3e | 1986 | void ssl3_clear(SSL *s); |
4bcdb4a6 MC |
1987 | __owur long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg); |
1988 | __owur long ssl3_ctx_ctrl(SSL_CTX *s, int cmd, long larg, void *parg); | |
1989 | __owur long ssl3_callback_ctrl(SSL *s, int cmd, void (*fp) (void)); | |
1990 | __owur long ssl3_ctx_callback_ctrl(SSL_CTX *s, int cmd, void (*fp) (void)); | |
d02b48c6 | 1991 | |
4bcdb4a6 MC |
1992 | __owur int ssl3_do_change_cipher_spec(SSL *ssl); |
1993 | __owur long ssl3_default_timeout(void); | |
f3b656b2 | 1994 | |
77d514c5 | 1995 | __owur int ssl3_set_handshake_header(SSL *s, int htype, unsigned long len); |
4bcdb4a6 MC |
1996 | __owur int ssl3_handshake_write(SSL *s); |
1997 | ||
4bcdb4a6 MC |
1998 | __owur int ssl_allow_compression(SSL *s); |
1999 | ||
ccae4a15 FI |
2000 | __owur int ssl_version_supported(const SSL *s, int version); |
2001 | ||
4fa52141 VD |
2002 | __owur int ssl_set_client_hello_version(SSL *s); |
2003 | __owur int ssl_check_version_downgrade(SSL *s); | |
2004 | __owur int ssl_set_version_bound(int method_version, int version, int *bound); | |
2005 | __owur int ssl_choose_server_version(SSL *s); | |
2006 | __owur int ssl_choose_client_version(SSL *s, int version); | |
068c358a | 2007 | int ssl_get_client_min_max_version(const SSL *s, int *min_version, int *max_version); |
4fa52141 | 2008 | |
4bcdb4a6 MC |
2009 | __owur long tls1_default_timeout(void); |
2010 | __owur int dtls1_do_write(SSL *s, int type); | |
4bcdb4a6 | 2011 | void dtls1_set_message_header(SSL *s, |
a773b52a | 2012 | unsigned char mt, |
4bcdb4a6 MC |
2013 | unsigned long len, |
2014 | unsigned long frag_off, | |
2015 | unsigned long frag_len); | |
2016 | ||
2017 | __owur int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf, int len); | |
4bcdb4a6 | 2018 | |
4bcdb4a6 MC |
2019 | __owur int dtls1_read_failed(SSL *s, int code); |
2020 | __owur int dtls1_buffer_message(SSL *s, int ccs); | |
a773b52a | 2021 | __owur int dtls1_retransmit_message(SSL *s, unsigned short seq, int *found); |
4bcdb4a6 | 2022 | __owur int dtls1_get_queue_priority(unsigned short seq, int is_ccs); |
17dd65e6 | 2023 | int dtls1_retransmit_buffered_messages(SSL *s); |
480506bd | 2024 | void dtls1_clear_record_buffer(SSL *s); |
0f113f3e MC |
2025 | void dtls1_get_message_header(unsigned char *data, |
2026 | struct hm_header_st *msg_hdr); | |
4bcdb4a6 MC |
2027 | __owur long dtls1_default_timeout(void); |
2028 | __owur struct timeval *dtls1_get_timeout(SSL *s, struct timeval *timeleft); | |
2029 | __owur int dtls1_check_timeout_num(SSL *s); | |
2030 | __owur int dtls1_handle_timeout(SSL *s); | |
9289f21b DSH |
2031 | void dtls1_start_timer(SSL *s); |
2032 | void dtls1_stop_timer(SSL *s); | |
4bcdb4a6 | 2033 | __owur int dtls1_is_timer_expired(SSL *s); |
9289f21b | 2034 | void dtls1_double_timeout(SSL *s); |
8ba708e5 MC |
2035 | __owur unsigned int dtls_raw_hello_verify_request(unsigned char *buf, |
2036 | unsigned char *cookie, | |
2037 | unsigned char cookie_len); | |
4bcdb4a6 MC |
2038 | __owur int dtls1_send_newsession_ticket(SSL *s); |
2039 | __owur unsigned int dtls1_min_mtu(SSL *s); | |
8a35dbb6 | 2040 | void dtls1_hm_fragment_free(hm_fragment *frag); |
8ba708e5 | 2041 | __owur int dtls1_query_mtu(SSL *s); |
480506bd | 2042 | |
4bcdb4a6 | 2043 | __owur int tls1_new(SSL *s); |
58964a49 RE |
2044 | void tls1_free(SSL *s); |
2045 | void tls1_clear(SSL *s); | |
0f113f3e MC |
2046 | long tls1_ctrl(SSL *s, int cmd, long larg, void *parg); |
2047 | long tls1_callback_ctrl(SSL *s, int cmd, void (*fp) (void)); | |
58964a49 | 2048 | |
4bcdb4a6 | 2049 | __owur int dtls1_new(SSL *s); |
36d16f8e BL |
2050 | void dtls1_free(SSL *s); |
2051 | void dtls1_clear(SSL *s); | |
0f113f3e | 2052 | long dtls1_ctrl(SSL *s, int cmd, long larg, void *parg); |
4bcdb4a6 | 2053 | __owur int dtls1_shutdown(SSL *s); |
36d16f8e | 2054 | |
4bcdb4a6 | 2055 | __owur int dtls1_dispatch_alert(SSL *s); |
36d16f8e | 2056 | |
4bcdb4a6 | 2057 | __owur int ssl_init_wbio_buffer(SSL *s, int push); |
413c4f45 | 2058 | void ssl_free_wbio_buffer(SSL *s); |
58964a49 | 2059 | |
4bcdb4a6 MC |
2060 | __owur int tls1_change_cipher_state(SSL *s, int which); |
2061 | __owur int tls1_setup_key_block(SSL *s); | |
4bcdb4a6 | 2062 | __owur int tls1_final_finish_mac(SSL *s, |
0f113f3e | 2063 | const char *str, int slen, unsigned char *p); |
4bcdb4a6 | 2064 | __owur int tls1_generate_master_secret(SSL *s, unsigned char *out, |
0f113f3e | 2065 | unsigned char *p, int len); |
4bcdb4a6 | 2066 | __owur int tls1_export_keying_material(SSL *s, unsigned char *out, size_t olen, |
0f113f3e MC |
2067 | const char *label, size_t llen, |
2068 | const unsigned char *p, size_t plen, | |
2069 | int use_context); | |
4bcdb4a6 MC |
2070 | __owur int tls1_alert_code(int code); |
2071 | __owur int ssl3_alert_code(int code); | |
2072 | __owur int ssl_ok(SSL *s); | |
58964a49 | 2073 | |
10bf4fc2 | 2074 | # ifndef OPENSSL_NO_EC |
4bcdb4a6 | 2075 | __owur int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s); |
0f113f3e | 2076 | # endif |
41fdcfa7 | 2077 | |
f73e07cf | 2078 | SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n); |
413c4f45 | 2079 | |
0f113f3e | 2080 | # ifndef OPENSSL_NO_EC |
4bcdb4a6 MC |
2081 | __owur int tls1_ec_curve_id2nid(int curve_id); |
2082 | __owur int tls1_ec_nid2curve_id(int nid); | |
2083 | __owur int tls1_check_curve(SSL *s, const unsigned char *p, size_t len); | |
2084 | __owur int tls1_shared_curve(SSL *s, int nmatch); | |
2085 | __owur int tls1_set_curves(unsigned char **pext, size_t *pextlen, | |
0f113f3e | 2086 | int *curves, size_t ncurves); |
4bcdb4a6 | 2087 | __owur int tls1_set_curves_list(unsigned char **pext, size_t *pextlen, |
0f113f3e | 2088 | const char *str); |
4bcdb4a6 | 2089 | __owur int tls1_check_ec_tmp_key(SSL *s, unsigned long id); |
0f113f3e | 2090 | # endif /* OPENSSL_NO_EC */ |
33273721 | 2091 | |
4bcdb4a6 | 2092 | __owur int tls1_shared_list(SSL *s, |
0f113f3e MC |
2093 | const unsigned char *l1, size_t l1len, |
2094 | const unsigned char *l2, size_t l2len, int nmatch); | |
4bcdb4a6 | 2095 | __owur unsigned char *ssl_add_clienthello_tlsext(SSL *s, unsigned char *buf, |
0f113f3e | 2096 | unsigned char *limit, int *al); |
4bcdb4a6 | 2097 | __owur unsigned char *ssl_add_serverhello_tlsext(SSL *s, unsigned char *buf, |
0f113f3e | 2098 | unsigned char *limit, int *al); |
9ceb2426 | 2099 | __owur int ssl_parse_clienthello_tlsext(SSL *s, PACKET *pkt); |
a0f63828 | 2100 | void ssl_set_default_md(SSL *s); |
4bcdb4a6 MC |
2101 | __owur int tls1_set_server_sigalgs(SSL *s); |
2102 | __owur int ssl_check_clienthello_tlsext_late(SSL *s); | |
50932c4a | 2103 | __owur int ssl_parse_serverhello_tlsext(SSL *s, PACKET *pkt); |
4bcdb4a6 MC |
2104 | __owur int ssl_prepare_clienthello_tlsext(SSL *s); |
2105 | __owur int ssl_prepare_serverhello_tlsext(SSL *s); | |
49968440 | 2106 | |
e481f9b9 | 2107 | # ifndef OPENSSL_NO_HEARTBEATS |
4bcdb4a6 | 2108 | __owur int dtls1_heartbeat(SSL *s); |
2c60ed04 | 2109 | __owur int dtls1_process_heartbeat(SSL *s, unsigned char *p, unsigned int length); |
e481f9b9 | 2110 | # endif |
4817504d | 2111 | |
e7f0d921 DSH |
2112 | __owur int tls_check_serverhello_tlsext_early(SSL *s, const PACKET *ext, |
2113 | const PACKET *session_id, | |
2114 | SSL_SESSION **ret); | |
a2f9200f | 2115 | |
4bcdb4a6 | 2116 | __owur int tls12_get_sigandhash(unsigned char *p, const EVP_PKEY *pk, |
0f113f3e | 2117 | const EVP_MD *md); |
4bcdb4a6 MC |
2118 | __owur int tls12_get_sigid(const EVP_PKEY *pk); |
2119 | __owur const EVP_MD *tls12_get_hash(unsigned char hash_alg); | |
90d9e49a | 2120 | void ssl_set_sig_mask(uint32_t *pmask_a, SSL *s, int op); |
a2f9200f | 2121 | |
4bcdb4a6 MC |
2122 | __owur int tls1_set_sigalgs_list(CERT *c, const char *str, int client); |
2123 | __owur int tls1_set_sigalgs(CERT *c, const int *salg, size_t salglen, int client); | |
17dd65e6 | 2124 | int tls1_check_chain(SSL *s, X509 *x, EVP_PKEY *pk, STACK_OF(X509) *chain, |
0f113f3e | 2125 | int idx); |
d61ff83b | 2126 | void tls1_set_cert_validity(SSL *s); |
0f229cce | 2127 | |
ed29e82a | 2128 | #ifndef OPENSSL_NO_CT |
4d482ee2 | 2129 | __owur int ssl_validate_ct(SSL *s); |
ed29e82a RP |
2130 | #endif |
2131 | ||
0f113f3e | 2132 | # ifndef OPENSSL_NO_DH |
4bcdb4a6 | 2133 | __owur DH *ssl_get_auto_dh(SSL *s); |
0f113f3e | 2134 | # endif |
b362ccab | 2135 | |
4bcdb4a6 MC |
2136 | __owur int ssl_security_cert(SSL *s, SSL_CTX *ctx, X509 *x, int vfy, int is_ee); |
2137 | __owur int ssl_security_cert_chain(SSL *s, STACK_OF(X509) *sk, X509 *ex, int vfy); | |
b362ccab | 2138 | |
4bcdb4a6 | 2139 | __owur EVP_MD_CTX *ssl_replace_hash(EVP_MD_CTX **hash, const EVP_MD *md); |
b948e2c5 | 2140 | void ssl_clear_hash_ctx(EVP_MD_CTX **hash); |
4bcdb4a6 | 2141 | __owur int ssl_add_serverhello_renegotiate_ext(SSL *s, unsigned char *p, int *len, |
0f113f3e | 2142 | int maxlen); |
50932c4a | 2143 | __owur int ssl_parse_serverhello_renegotiate_ext(SSL *s, PACKET *pkt, |
0f113f3e | 2144 | int *al); |
4bcdb4a6 | 2145 | __owur int ssl_add_clienthello_renegotiate_ext(SSL *s, unsigned char *p, int *len, |
0f113f3e | 2146 | int maxlen); |
9ceb2426 | 2147 | __owur int ssl_parse_clienthello_renegotiate_ext(SSL *s, PACKET *pkt, int *al); |
4bcdb4a6 MC |
2148 | __owur long ssl_get_algorithm2(SSL *s); |
2149 | __owur size_t tls12_copy_sigalgs(SSL *s, unsigned char *out, | |
0f113f3e | 2150 | const unsigned char *psig, size_t psiglen); |
4bcdb4a6 MC |
2151 | __owur int tls1_save_sigalgs(SSL *s, const unsigned char *data, int dsize); |
2152 | __owur int tls1_process_sigalgs(SSL *s); | |
2153 | __owur size_t tls12_get_psigalgs(SSL *s, const unsigned char **psigs); | |
2154 | __owur int tls12_check_peer_sigalg(const EVP_MD **pmd, SSL *s, | |
0f113f3e | 2155 | const unsigned char *sig, EVP_PKEY *pkey); |
b7bfe69b | 2156 | void ssl_set_client_disabled(SSL *s); |
4bcdb4a6 | 2157 | __owur int ssl_cipher_disabled(SSL *s, const SSL_CIPHER *c, int op); |
1c78c43b | 2158 | |
4bcdb4a6 | 2159 | __owur int ssl_add_clienthello_use_srtp_ext(SSL *s, unsigned char *p, int *len, |
0f113f3e | 2160 | int maxlen); |
9ceb2426 | 2161 | __owur int ssl_parse_clienthello_use_srtp_ext(SSL *s, PACKET *pkt, int *al); |
4bcdb4a6 | 2162 | __owur int ssl_add_serverhello_use_srtp_ext(SSL *s, unsigned char *p, int *len, |
0f113f3e | 2163 | int maxlen); |
50932c4a | 2164 | __owur int ssl_parse_serverhello_use_srtp_ext(SSL *s, PACKET *pkt, int *al); |
1c78c43b | 2165 | |
4bcdb4a6 | 2166 | __owur int ssl_handshake_hash(SSL *s, unsigned char *out, int outlen); |
152fbc28 | 2167 | __owur const EVP_MD *ssl_md(int idx); |
28ba2541 DSH |
2168 | __owur const EVP_MD *ssl_handshake_md(SSL *s); |
2169 | __owur const EVP_MD *ssl_prf_md(SSL *s); | |
48fbcbac | 2170 | |
2acc020b | 2171 | /* s3_cbc.c */ |
4bcdb4a6 | 2172 | __owur char ssl3_cbc_record_digest_supported(const EVP_MD_CTX *ctx); |
5f3d93e4 MC |
2173 | __owur int ssl3_cbc_digest_record(const EVP_MD_CTX *ctx, |
2174 | unsigned char *md_out, | |
2175 | size_t *md_out_size, | |
2176 | const unsigned char header[13], | |
2177 | const unsigned char *data, | |
2178 | size_t data_plus_mac_size, | |
2179 | size_t data_plus_mac_plus_padding_size, | |
2180 | const unsigned char *mac_secret, | |
2181 | unsigned mac_secret_length, char is_sslv3); | |
0f113f3e MC |
2182 | |
2183 | void tls_fips_digest_extra(const EVP_CIPHER_CTX *cipher_ctx, | |
2184 | EVP_MD_CTX *mac_ctx, const unsigned char *data, | |
2185 | size_t data_len, size_t orig_len); | |
0989790b | 2186 | |
57b272b0 DSH |
2187 | __owur int srp_generate_server_master_secret(SSL *s); |
2188 | __owur int srp_generate_client_master_secret(SSL *s); | |
4bcdb4a6 | 2189 | __owur int srp_verify_server_param(SSL *s, int *al); |
0989790b | 2190 | |
ecf4d660 DSH |
2191 | /* t1_ext.c */ |
2192 | ||
28ea0a0c DSH |
2193 | void custom_ext_init(custom_ext_methods *meths); |
2194 | ||
4bcdb4a6 | 2195 | __owur int custom_ext_parse(SSL *s, int server, |
0f113f3e MC |
2196 | unsigned int ext_type, |
2197 | const unsigned char *ext_data, size_t ext_size, int *al); | |
4bcdb4a6 | 2198 | __owur int custom_ext_add(SSL *s, int server, |
0f113f3e | 2199 | unsigned char **pret, unsigned char *limit, int *al); |
ecf4d660 | 2200 | |
4bcdb4a6 | 2201 | __owur int custom_exts_copy(custom_ext_methods *dst, const custom_ext_methods *src); |
ecf4d660 DSH |
2202 | void custom_exts_free(custom_ext_methods *exts); |
2203 | ||
b3599dbb | 2204 | void ssl_comp_free_compression_methods_int(void); |
03b0e735 | 2205 | |
0f113f3e | 2206 | # else |
e0fc7961 | 2207 | |
0f113f3e MC |
2208 | # define ssl_init_wbio_buffer SSL_test_functions()->p_ssl_init_wbio_buffer |
2209 | # define ssl3_setup_buffers SSL_test_functions()->p_ssl3_setup_buffers | |
0f113f3e | 2210 | # define dtls1_process_heartbeat SSL_test_functions()->p_dtls1_process_heartbeat |
c4e6fb15 | 2211 | |
0f113f3e | 2212 | # endif |
e0fc7961 | 2213 | #endif |