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d02b48c6 | 1 | /* ssl/ssl_locl.h */ |
58964a49 | 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
3 | * All rights reserved. |
4 | * | |
5 | * This package is an SSL implementation written | |
6 | * by Eric Young (eay@cryptsoft.com). | |
7 | * The implementation was written so as to conform with Netscapes SSL. | |
0f113f3e | 8 | * |
d02b48c6 RE |
9 | * This library is free for commercial and non-commercial use as long as |
10 | * the following conditions are aheared to. The following conditions | |
11 | * apply to all code found in this distribution, be it the RC4, RSA, | |
12 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation | |
13 | * included with this distribution is covered by the same copyright terms | |
14 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). | |
0f113f3e | 15 | * |
d02b48c6 RE |
16 | * Copyright remains Eric Young's, and as such any Copyright notices in |
17 | * the code are not to be removed. | |
18 | * If this package is used in a product, Eric Young should be given attribution | |
19 | * as the author of the parts of the library used. | |
20 | * This can be in the form of a textual message at program startup or | |
21 | * in documentation (online or textual) provided with the package. | |
0f113f3e | 22 | * |
d02b48c6 RE |
23 | * Redistribution and use in source and binary forms, with or without |
24 | * modification, are permitted provided that the following conditions | |
25 | * are met: | |
26 | * 1. Redistributions of source code must retain the copyright | |
27 | * notice, this list of conditions and the following disclaimer. | |
28 | * 2. Redistributions in binary form must reproduce the above copyright | |
29 | * notice, this list of conditions and the following disclaimer in the | |
30 | * documentation and/or other materials provided with the distribution. | |
31 | * 3. All advertising materials mentioning features or use of this software | |
32 | * must display the following acknowledgement: | |
33 | * "This product includes cryptographic software written by | |
34 | * Eric Young (eay@cryptsoft.com)" | |
35 | * The word 'cryptographic' can be left out if the rouines from the library | |
36 | * being used are not cryptographic related :-). | |
0f113f3e | 37 | * 4. If you include any Windows specific code (or a derivative thereof) from |
d02b48c6 RE |
38 | * the apps directory (application code) you must include an acknowledgement: |
39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
0f113f3e | 40 | * |
d02b48c6 RE |
41 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
42 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
43 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
44 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
45 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
46 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
47 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
48 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
49 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
50 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
51 | * SUCH DAMAGE. | |
0f113f3e | 52 | * |
d02b48c6 RE |
53 | * The licence and distribution terms for any publically available version or |
54 | * derivative of this code cannot be changed. i.e. this code cannot simply be | |
55 | * copied and put under another distribution licence | |
56 | * [including the GNU Public Licence.] | |
57 | */ | |
5a4fbc69 | 58 | /* ==================================================================== |
52b8dad8 | 59 | * Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved. |
5a4fbc69 BM |
60 | * |
61 | * Redistribution and use in source and binary forms, with or without | |
62 | * modification, are permitted provided that the following conditions | |
63 | * are met: | |
64 | * | |
65 | * 1. Redistributions of source code must retain the above copyright | |
0f113f3e | 66 | * notice, this list of conditions and the following disclaimer. |
5a4fbc69 BM |
67 | * |
68 | * 2. Redistributions in binary form must reproduce the above copyright | |
69 | * notice, this list of conditions and the following disclaimer in | |
70 | * the documentation and/or other materials provided with the | |
71 | * distribution. | |
72 | * | |
73 | * 3. All advertising materials mentioning features or use of this | |
74 | * software must display the following acknowledgment: | |
75 | * "This product includes software developed by the OpenSSL Project | |
76 | * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" | |
77 | * | |
78 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
79 | * endorse or promote products derived from this software without | |
80 | * prior written permission. For written permission, please contact | |
81 | * openssl-core@openssl.org. | |
82 | * | |
83 | * 5. Products derived from this software may not be called "OpenSSL" | |
84 | * nor may "OpenSSL" appear in their names without prior written | |
85 | * permission of the OpenSSL Project. | |
86 | * | |
87 | * 6. Redistributions of any form whatsoever must retain the following | |
88 | * acknowledgment: | |
89 | * "This product includes software developed by the OpenSSL Project | |
90 | * for use in the OpenSSL Toolkit (http://www.openssl.org/)" | |
91 | * | |
92 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
93 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
94 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
95 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
96 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
97 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
98 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
99 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
100 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
101 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
102 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
103 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
104 | * ==================================================================== | |
105 | * | |
106 | * This product includes cryptographic software written by Eric Young | |
107 | * (eay@cryptsoft.com). This product includes software written by Tim | |
108 | * Hudson (tjh@cryptsoft.com). | |
109 | * | |
110 | */ | |
ea262260 BM |
111 | /* ==================================================================== |
112 | * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. | |
0f113f3e | 113 | * ECC cipher suite support in OpenSSL originally developed by |
ea262260 BM |
114 | * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project. |
115 | */ | |
ddac1974 NL |
116 | /* ==================================================================== |
117 | * Copyright 2005 Nokia. All rights reserved. | |
118 | * | |
119 | * The portions of the attached software ("Contribution") is developed by | |
120 | * Nokia Corporation and is licensed pursuant to the OpenSSL open source | |
121 | * license. | |
122 | * | |
123 | * The Contribution, originally written by Mika Kousa and Pasi Eronen of | |
124 | * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites | |
125 | * support (see RFC 4279) to OpenSSL. | |
126 | * | |
127 | * No patent licenses or other rights except those expressly stated in | |
128 | * the OpenSSL open source license shall be deemed granted or received | |
129 | * expressly, by implication, estoppel, or otherwise. | |
130 | * | |
131 | * No assurances are provided by Nokia that the Contribution does not | |
132 | * infringe the patent or other intellectual property rights of any third | |
133 | * party or that the license provides you with all the necessary rights | |
134 | * to make use of the Contribution. | |
135 | * | |
136 | * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN | |
137 | * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA | |
138 | * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY | |
139 | * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR | |
140 | * OTHERWISE. | |
141 | */ | |
d02b48c6 RE |
142 | |
143 | #ifndef HEADER_SSL_LOCL_H | |
0f113f3e MC |
144 | # define HEADER_SSL_LOCL_H |
145 | # include <stdlib.h> | |
146 | # include <time.h> | |
147 | # include <string.h> | |
148 | # include <errno.h> | |
d02b48c6 | 149 | |
0f113f3e | 150 | # include "e_os.h" |
d02b48c6 | 151 | |
0f113f3e MC |
152 | # include <openssl/buffer.h> |
153 | # ifndef OPENSSL_NO_COMP | |
154 | # include <openssl/comp.h> | |
155 | # endif | |
156 | # include <openssl/bio.h> | |
157 | # include <openssl/stack.h> | |
158 | # ifndef OPENSSL_NO_RSA | |
159 | # include <openssl/rsa.h> | |
160 | # endif | |
161 | # ifndef OPENSSL_NO_DSA | |
162 | # include <openssl/dsa.h> | |
163 | # endif | |
164 | # include <openssl/err.h> | |
165 | # include <openssl/ssl.h> | |
07bbc92c | 166 | # include <openssl/async.h> |
0f113f3e | 167 | # include <openssl/symhacks.h> |
d02b48c6 | 168 | |
c99c4c11 | 169 | #include "record/record.h" |
8ba708e5 | 170 | #include "statem/statem.h" |
7e729bb5 | 171 | #include "packet_locl.h" |
919ba009 | 172 | #include "internal/dane.h" |
52e1d7b1 | 173 | |
0f113f3e MC |
174 | # ifdef OPENSSL_BUILD_SHLIBSSL |
175 | # undef OPENSSL_EXTERN | |
176 | # define OPENSSL_EXTERN OPENSSL_EXPORT | |
177 | # endif | |
26da3e65 | 178 | |
0f113f3e | 179 | # undef PKCS1_CHECK |
d02b48c6 | 180 | |
0f113f3e MC |
181 | # define c2l(c,l) (l = ((unsigned long)(*((c)++))) , \ |
182 | l|=(((unsigned long)(*((c)++)))<< 8), \ | |
183 | l|=(((unsigned long)(*((c)++)))<<16), \ | |
184 | l|=(((unsigned long)(*((c)++)))<<24)) | |
d02b48c6 RE |
185 | |
186 | /* NOTE - c is not incremented as per c2l */ | |
0f113f3e MC |
187 | # define c2ln(c,l1,l2,n) { \ |
188 | c+=n; \ | |
189 | l1=l2=0; \ | |
190 | switch (n) { \ | |
191 | case 8: l2 =((unsigned long)(*(--(c))))<<24; \ | |
192 | case 7: l2|=((unsigned long)(*(--(c))))<<16; \ | |
193 | case 6: l2|=((unsigned long)(*(--(c))))<< 8; \ | |
194 | case 5: l2|=((unsigned long)(*(--(c)))); \ | |
195 | case 4: l1 =((unsigned long)(*(--(c))))<<24; \ | |
196 | case 3: l1|=((unsigned long)(*(--(c))))<<16; \ | |
197 | case 2: l1|=((unsigned long)(*(--(c))))<< 8; \ | |
198 | case 1: l1|=((unsigned long)(*(--(c)))); \ | |
199 | } \ | |
200 | } | |
201 | ||
202 | # define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \ | |
203 | *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ | |
204 | *((c)++)=(unsigned char)(((l)>>16)&0xff), \ | |
205 | *((c)++)=(unsigned char)(((l)>>24)&0xff)) | |
206 | ||
207 | # define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24, \ | |
208 | l|=((unsigned long)(*((c)++)))<<16, \ | |
209 | l|=((unsigned long)(*((c)++)))<< 8, \ | |
210 | l|=((unsigned long)(*((c)++)))) | |
211 | ||
212 | # define l2n(l,c) (*((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 l2n6(l,c) (*((c)++)=(unsigned char)(((l)>>40)&0xff), \ | |
218 | *((c)++)=(unsigned char)(((l)>>32)&0xff), \ | |
219 | *((c)++)=(unsigned char)(((l)>>24)&0xff), \ | |
220 | *((c)++)=(unsigned char)(((l)>>16)&0xff), \ | |
221 | *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ | |
222 | *((c)++)=(unsigned char)(((l) )&0xff)) | |
223 | ||
224 | # define l2n8(l,c) (*((c)++)=(unsigned char)(((l)>>56)&0xff), \ | |
225 | *((c)++)=(unsigned char)(((l)>>48)&0xff), \ | |
226 | *((c)++)=(unsigned char)(((l)>>40)&0xff), \ | |
227 | *((c)++)=(unsigned char)(((l)>>32)&0xff), \ | |
228 | *((c)++)=(unsigned char)(((l)>>24)&0xff), \ | |
229 | *((c)++)=(unsigned char)(((l)>>16)&0xff), \ | |
230 | *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ | |
231 | *((c)++)=(unsigned char)(((l) )&0xff)) | |
232 | ||
233 | # define n2l6(c,l) (l =((BN_ULLONG)(*((c)++)))<<40, \ | |
234 | l|=((BN_ULLONG)(*((c)++)))<<32, \ | |
235 | l|=((BN_ULLONG)(*((c)++)))<<24, \ | |
236 | l|=((BN_ULLONG)(*((c)++)))<<16, \ | |
237 | l|=((BN_ULLONG)(*((c)++)))<< 8, \ | |
238 | l|=((BN_ULLONG)(*((c)++)))) | |
36d16f8e | 239 | |
d02b48c6 | 240 | /* NOTE - c is not incremented as per l2c */ |
0f113f3e MC |
241 | # define l2cn(l1,l2,c,n) { \ |
242 | c+=n; \ | |
243 | switch (n) { \ | |
244 | case 8: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \ | |
245 | case 7: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \ | |
246 | case 6: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \ | |
247 | case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \ | |
248 | case 4: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \ | |
249 | case 3: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \ | |
250 | case 2: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \ | |
251 | case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \ | |
252 | } \ | |
253 | } | |
254 | ||
255 | # define n2s(c,s) ((s=(((unsigned int)(c[0]))<< 8)| \ | |
256 | (((unsigned int)(c[1])) )),c+=2) | |
257 | # define s2n(s,c) ((c[0]=(unsigned char)(((s)>> 8)&0xff), \ | |
258 | c[1]=(unsigned char)(((s) )&0xff)),c+=2) | |
259 | ||
260 | # define n2l3(c,l) ((l =(((unsigned long)(c[0]))<<16)| \ | |
261 | (((unsigned long)(c[1]))<< 8)| \ | |
262 | (((unsigned long)(c[2])) )),c+=3) | |
263 | ||
264 | # define l2n3(l,c) ((c[0]=(unsigned char)(((l)>>16)&0xff), \ | |
265 | c[1]=(unsigned char)(((l)>> 8)&0xff), \ | |
266 | c[2]=(unsigned char)(((l) )&0xff)),c+=3) | |
d02b48c6 | 267 | |
7946ab33 KR |
268 | #define DTLS_VERSION_GT(v1, v2) ((v1) < (v2)) |
269 | #define DTLS_VERSION_GE(v1, v2) ((v1) <= (v2)) | |
270 | #define DTLS_VERSION_LT(v1, v2) ((v1) > (v2)) | |
271 | #define DTLS_VERSION_LE(v1, v2) ((v1) >= (v2)) | |
272 | ||
d02b48c6 RE |
273 | /* LOCAL STUFF */ |
274 | ||
0f113f3e MC |
275 | # define SSL_DECRYPT 0 |
276 | # define SSL_ENCRYPT 1 | |
d02b48c6 | 277 | |
0f113f3e MC |
278 | # define TWO_BYTE_BIT 0x80 |
279 | # define SEC_ESC_BIT 0x40 | |
280 | # define TWO_BYTE_MASK 0x7fff | |
281 | # define THREE_BYTE_MASK 0x3fff | |
d02b48c6 | 282 | |
0f113f3e MC |
283 | # define INC32(a) ((a)=((a)+1)&0xffffffffL) |
284 | # define DEC32(a) ((a)=((a)-1)&0xffffffffL) | |
285 | # define MAX_MAC_SIZE 20 /* up from 16 for SSLv3 */ | |
d02b48c6 | 286 | |
018e57c7 DSH |
287 | /* |
288 | * Define the Bitmasks for SSL_CIPHER.algorithms. | |
289 | * This bits are used packed as dense as possible. If new methods/ciphers | |
290 | * etc will be added, the bits a likely to change, so this information | |
291 | * is for internal library use only, even though SSL_CIPHER.algorithms | |
292 | * can be publicly accessed. | |
293 | * Use the according functions for cipher management instead. | |
294 | * | |
657e60fa | 295 | * The bit mask handling in the selection and sorting scheme in |
018e57c7 | 296 | * ssl_create_cipher_list() has only limited capabilities, reflecting |
657e60fa | 297 | * that the different entities within are mutually exclusive: |
018e57c7 DSH |
298 | * ONLY ONE BIT PER MASK CAN BE SET AT A TIME. |
299 | */ | |
52b8dad8 BM |
300 | |
301 | /* Bits for algorithm_mkey (key exchange algorithm) */ | |
68d39f3c | 302 | /* RSA key exchange */ |
36e79832 | 303 | # define SSL_kRSA 0x00000001U |
68d39f3c | 304 | /* tmp DH key no DH cert */ |
bc71f910 | 305 | # define SSL_kDHE 0x00000002U |
68d39f3c | 306 | /* synonym */ |
0f113f3e | 307 | # define SSL_kEDH SSL_kDHE |
68d39f3c | 308 | /* ECDH cert, RSA CA cert */ |
bc71f910 | 309 | # define SSL_kECDHr 0x00000004U |
68d39f3c | 310 | /* ECDH cert, ECDSA CA cert */ |
bc71f910 | 311 | # define SSL_kECDHe 0x00000008U |
68d39f3c | 312 | /* ephemeral ECDH */ |
bc71f910 | 313 | # define SSL_kECDHE 0x00000010U |
68d39f3c | 314 | /* synonym */ |
0f113f3e | 315 | # define SSL_kEECDH SSL_kECDHE |
68d39f3c | 316 | /* PSK */ |
bc71f910 | 317 | # define SSL_kPSK 0x00000020U |
68d39f3c | 318 | /* GOST key exchange */ |
bc71f910 | 319 | # define SSL_kGOST 0x00000040U |
68d39f3c | 320 | /* SRP */ |
bc71f910 | 321 | # define SSL_kSRP 0x00000080U |
52b8dad8 | 322 | |
bc71f910 DSH |
323 | # define SSL_kRSAPSK 0x00000100U |
324 | # define SSL_kECDHEPSK 0x00000200U | |
325 | # define SSL_kDHEPSK 0x00000400U | |
64651d39 DSH |
326 | |
327 | /* all PSK */ | |
328 | ||
329 | #define SSL_PSK (SSL_kPSK | SSL_kRSAPSK | SSL_kECDHEPSK | SSL_kDHEPSK) | |
330 | ||
52b8dad8 | 331 | /* Bits for algorithm_auth (server authentication) */ |
68d39f3c | 332 | /* RSA auth */ |
36e79832 | 333 | # define SSL_aRSA 0x00000001U |
68d39f3c | 334 | /* DSS auth */ |
36e79832 | 335 | # define SSL_aDSS 0x00000002U |
68d39f3c | 336 | /* no auth (i.e. use ADH or AECDH) */ |
36e79832 | 337 | # define SSL_aNULL 0x00000004U |
68d39f3c | 338 | /* Fixed ECDH auth (kECDHe or kECDHr) */ |
bc71f910 | 339 | # define SSL_aECDH 0x00000008U |
68d39f3c | 340 | /* ECDSA auth*/ |
bc71f910 | 341 | # define SSL_aECDSA 0x00000010U |
68d39f3c | 342 | /* PSK auth */ |
bc71f910 | 343 | # define SSL_aPSK 0x00000020U |
68d39f3c | 344 | /* GOST R 34.10-2001 signature auth */ |
bc71f910 | 345 | # define SSL_aGOST01 0x00000040U |
68d39f3c | 346 | /* SRP auth */ |
bc71f910 | 347 | # define SSL_aSRP 0x00000080U |
e44380a9 | 348 | /* GOST R 34.10-2012 signature auth */ |
bc71f910 | 349 | # define SSL_aGOST12 0x00000100U |
52b8dad8 BM |
350 | |
351 | /* Bits for algorithm_enc (symmetric encryption) */ | |
36e79832 DSH |
352 | # define SSL_DES 0x00000001U |
353 | # define SSL_3DES 0x00000002U | |
354 | # define SSL_RC4 0x00000004U | |
355 | # define SSL_RC2 0x00000008U | |
356 | # define SSL_IDEA 0x00000010U | |
357 | # define SSL_eNULL 0x00000020U | |
358 | # define SSL_AES128 0x00000040U | |
359 | # define SSL_AES256 0x00000080U | |
360 | # define SSL_CAMELLIA128 0x00000100U | |
361 | # define SSL_CAMELLIA256 0x00000200U | |
362 | # define SSL_eGOST2814789CNT 0x00000400U | |
363 | # define SSL_SEED 0x00000800U | |
364 | # define SSL_AES128GCM 0x00001000U | |
365 | # define SSL_AES256GCM 0x00002000U | |
366 | # define SSL_AES128CCM 0x00004000U | |
367 | # define SSL_AES256CCM 0x00008000U | |
368 | # define SSL_AES128CCM8 0x00010000U | |
369 | # define SSL_AES256CCM8 0x00020000U | |
e44380a9 | 370 | # define SSL_eGOST2814789CNT12 0x00040000U |
a76ba82c | 371 | # define SSL_CHACHA20POLY1305 0x00080000U |
0f113f3e | 372 | |
3d3701ea | 373 | # define SSL_AES (SSL_AES128|SSL_AES256|SSL_AES128GCM|SSL_AES256GCM|SSL_AES128CCM|SSL_AES256CCM|SSL_AES128CCM8|SSL_AES256CCM8) |
0f113f3e | 374 | # define SSL_CAMELLIA (SSL_CAMELLIA128|SSL_CAMELLIA256) |
52b8dad8 BM |
375 | |
376 | /* Bits for algorithm_mac (symmetric authentication) */ | |
28dd49fa | 377 | |
36e79832 DSH |
378 | # define SSL_MD5 0x00000001U |
379 | # define SSL_SHA1 0x00000002U | |
380 | # define SSL_GOST94 0x00000004U | |
381 | # define SSL_GOST89MAC 0x00000008U | |
382 | # define SSL_SHA256 0x00000010U | |
383 | # define SSL_SHA384 0x00000020U | |
28dd49fa | 384 | /* Not a real MAC, just an indication it is part of cipher */ |
36e79832 | 385 | # define SSL_AEAD 0x00000040U |
e44380a9 DB |
386 | # define SSL_GOST12_256 0x00000080U |
387 | # define SSL_GOST89MAC12 0x00000100U | |
388 | # define SSL_GOST12_512 0x00000200U | |
52b8dad8 BM |
389 | |
390 | /* Bits for algorithm_ssl (protocol version) */ | |
36e79832 | 391 | # define SSL_SSLV3 0x00000002U |
2b573382 DSH |
392 | # define SSL_TLSV1 0x00000004U |
393 | # define SSL_TLSV1_2 0x00000008U | |
761772d7 | 394 | |
0f113f3e | 395 | /* |
e44380a9 | 396 | * When adding new digest in the ssl_ciph.c and increment SSL_MD_NUM_IDX make |
0f113f3e MC |
397 | * sure to update this constant too |
398 | */ | |
28ba2541 DSH |
399 | |
400 | # define SSL_MD_MD5_IDX 0 | |
401 | # define SSL_MD_SHA1_IDX 1 | |
402 | # define SSL_MD_GOST94_IDX 2 | |
403 | # define SSL_MD_GOST89MAC_IDX 3 | |
404 | # define SSL_MD_SHA256_IDX 4 | |
405 | # define SSL_MD_SHA384_IDX 5 | |
406 | # define SSL_MD_GOST12_256_IDX 6 | |
407 | # define SSL_MD_GOST89MAC12_IDX 7 | |
408 | # define SSL_MD_GOST12_512_IDX 8 | |
409 | # define SSL_MD_MD5_SHA1_IDX 9 | |
7afd2312 DSH |
410 | # define SSL_MD_SHA224_IDX 10 |
411 | # define SSL_MD_SHA512_IDX 11 | |
412 | # define SSL_MAX_DIGEST 12 | |
28ba2541 DSH |
413 | |
414 | /* Bits for algorithm2 (handshake digests and other extra flags) */ | |
415 | ||
416 | /* Bits 0-7 are handshake MAC */ | |
417 | # define SSL_HANDSHAKE_MAC_MASK 0xFF | |
418 | # define SSL_HANDSHAKE_MAC_MD5_SHA1 SSL_MD_MD5_SHA1_IDX | |
419 | # define SSL_HANDSHAKE_MAC_SHA256 SSL_MD_SHA256_IDX | |
420 | # define SSL_HANDSHAKE_MAC_SHA384 SSL_MD_SHA384_IDX | |
421 | # define SSL_HANDSHAKE_MAC_GOST94 SSL_MD_GOST94_IDX | |
422 | # define SSL_HANDSHAKE_MAC_GOST12_256 SSL_MD_GOST12_256_IDX | |
423 | # define SSL_HANDSHAKE_MAC_GOST12_512 SSL_MD_GOST12_512_IDX | |
424 | # define SSL_HANDSHAKE_MAC_DEFAULT SSL_HANDSHAKE_MAC_MD5_SHA1 | |
425 | ||
426 | /* Bits 8-15 bits are PRF */ | |
427 | # define TLS1_PRF_DGST_SHIFT 8 | |
428 | # define TLS1_PRF_SHA1_MD5 (SSL_MD_MD5_SHA1_IDX << TLS1_PRF_DGST_SHIFT) | |
429 | # define TLS1_PRF_SHA256 (SSL_MD_SHA256_IDX << TLS1_PRF_DGST_SHIFT) | |
430 | # define TLS1_PRF_SHA384 (SSL_MD_SHA384_IDX << TLS1_PRF_DGST_SHIFT) | |
431 | # define TLS1_PRF_GOST94 (SSL_MD_GOST94_IDX << TLS1_PRF_DGST_SHIFT) | |
432 | # define TLS1_PRF_GOST12_256 (SSL_MD_GOST12_256_IDX << TLS1_PRF_DGST_SHIFT) | |
433 | # define TLS1_PRF_GOST12_512 (SSL_MD_GOST12_512_IDX << TLS1_PRF_DGST_SHIFT) | |
434 | # define TLS1_PRF (SSL_MD_MD5_SHA1_IDX << TLS1_PRF_DGST_SHIFT) | |
761772d7 | 435 | |
0f113f3e MC |
436 | /* |
437 | * Stream MAC for GOST ciphersuites from cryptopro draft (currently this also | |
438 | * goes into algorithm2) | |
439 | */ | |
28ba2541 | 440 | # define TLS1_STREAM_MAC 0x10000 |
761772d7 | 441 | |
361a1191 | 442 | # define SSL_DEFAULT_MASK 0X00000020U |
c84f7f4a | 443 | |
361a1191 KR |
444 | # define SSL_STRONG_NONE 0x00000001U |
445 | # define SSL_LOW 0x00000002U | |
446 | # define SSL_MEDIUM 0x00000004U | |
447 | # define SSL_HIGH 0x00000008U | |
448 | # define SSL_FIPS 0x00000010U | |
449 | # define SSL_NOT_DEFAULT 0x00000020U | |
018e57c7 | 450 | |
361a1191 | 451 | /* we have used 0000003f - 26 bits left to go */ |
d02b48c6 | 452 | |
890f2f8b | 453 | /* Check if an SSL structure is using DTLS */ |
0f113f3e | 454 | # define SSL_IS_DTLS(s) (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS) |
cbd64894 | 455 | /* See if we need explicit IV */ |
0f113f3e MC |
456 | # define SSL_USE_EXPLICIT_IV(s) \ |
457 | (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_EXPLICIT_IV) | |
458 | /* | |
459 | * See if we use signature algorithms extension and signature algorithm | |
460 | * before signatures. | |
cbd64894 | 461 | */ |
0f113f3e MC |
462 | # define SSL_USE_SIGALGS(s) \ |
463 | (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_SIGALGS) | |
464 | /* | |
465 | * Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2: may | |
466 | * apply to others in future. | |
4221c0dd | 467 | */ |
0f113f3e MC |
468 | # define SSL_USE_TLS1_2_CIPHERS(s) \ |
469 | (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_TLS1_2_CIPHERS) | |
470 | /* | |
471 | * Determine if a client can use TLS 1.2 ciphersuites: can't rely on method | |
1e2d4cb0 DSH |
472 | * flags because it may not be set to correct version yet. |
473 | */ | |
0f113f3e | 474 | # define SSL_CLIENT_USE_TLS1_2_CIPHERS(s) \ |
4fa52141 VD |
475 | ((!SSL_IS_DTLS(s) && s->client_version >= TLS1_2_VERSION) || \ |
476 | (SSL_IS_DTLS(s) && DTLS_VERSION_GE(s->client_version, DTLS1_2_VERSION))) | |
0f113f3e MC |
477 | |
478 | # ifdef TLSEXT_TYPE_encrypt_then_mac | |
479 | # define SSL_USE_ETM(s) (s->s3->flags & TLS1_FLAGS_ENCRYPT_THEN_MAC) | |
480 | # else | |
481 | # define SSL_USE_ETM(s) (0) | |
482 | # endif | |
5e3ff62c | 483 | |
d02b48c6 | 484 | /* Mostly for SSLv3 */ |
0f113f3e MC |
485 | # define SSL_PKEY_RSA_ENC 0 |
486 | # define SSL_PKEY_RSA_SIGN 1 | |
487 | # define SSL_PKEY_DSA_SIGN 2 | |
bc71f910 DSH |
488 | # define SSL_PKEY_ECC 3 |
489 | # define SSL_PKEY_GOST01 4 | |
490 | # define SSL_PKEY_GOST12_256 5 | |
491 | # define SSL_PKEY_GOST12_512 6 | |
492 | # define SSL_PKEY_NUM 7 | |
e44380a9 DB |
493 | /* |
494 | * Pseudo-constant. GOST cipher suites can use different certs for 1 | |
495 | * SSL_CIPHER. So let's see which one we have in fact. | |
496 | */ | |
497 | # define SSL_PKEY_GOST_EC SSL_PKEY_NUM+1 | |
d02b48c6 | 498 | |
1d97c843 | 499 | /*- |
361a1191 | 500 | * SSL_kRSA <- RSA_ENC |
d02b48c6 | 501 | * SSL_kDH <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN) |
5a21cadb | 502 | * SSL_kDHE <- RSA_ENC | RSA_SIGN | DSA_SIGN |
d02b48c6 RE |
503 | * SSL_aRSA <- RSA_ENC | RSA_SIGN |
504 | * SSL_aDSS <- DSA_SIGN | |
505 | */ | |
506 | ||
23a22b4c | 507 | /*- |
0f113f3e MC |
508 | #define CERT_INVALID 0 |
509 | #define CERT_PUBLIC_KEY 1 | |
510 | #define CERT_PRIVATE_KEY 2 | |
d02b48c6 RE |
511 | */ |
512 | ||
e9fa092e EK |
513 | |
514 | /* CipherSuite length. SSLv3 and all TLS versions. */ | |
515 | #define TLS_CIPHER_LEN 2 | |
b6ba4014 MC |
516 | /* used to hold info on the particular ciphers used */ |
517 | struct ssl_cipher_st { | |
90d9e49a DSH |
518 | uint32_t valid; |
519 | const char *name; /* text name */ | |
520 | uint32_t id; /* id, 4 bytes, first is version */ | |
b6ba4014 | 521 | /* |
90d9e49a | 522 | * changed in 1.0.0: these four used to be portions of a single value |
b6ba4014 MC |
523 | * 'algorithms' |
524 | */ | |
90d9e49a DSH |
525 | uint32_t algorithm_mkey; /* key exchange algorithm */ |
526 | uint32_t algorithm_auth; /* server authentication */ | |
527 | uint32_t algorithm_enc; /* symmetric encryption */ | |
528 | uint32_t algorithm_mac; /* symmetric authentication */ | |
529 | uint32_t algorithm_ssl; /* (major) protocol version */ | |
530 | uint32_t algo_strength; /* strength and export flags */ | |
531 | uint32_t algorithm2; /* Extra flags */ | |
532 | int32_t strength_bits; /* Number of bits really used */ | |
533 | uint32_t alg_bits; /* Number of bits for algorithm */ | |
b6ba4014 MC |
534 | }; |
535 | ||
87d9cafa | 536 | /* Used to hold SSL/TLS functions */ |
b6ba4014 MC |
537 | struct ssl_method_st { |
538 | int version; | |
4fa52141 VD |
539 | unsigned flags; |
540 | unsigned long mask; | |
b6ba4014 MC |
541 | int (*ssl_new) (SSL *s); |
542 | void (*ssl_clear) (SSL *s); | |
543 | void (*ssl_free) (SSL *s); | |
544 | int (*ssl_accept) (SSL *s); | |
545 | int (*ssl_connect) (SSL *s); | |
546 | int (*ssl_read) (SSL *s, void *buf, int len); | |
547 | int (*ssl_peek) (SSL *s, void *buf, int len); | |
548 | int (*ssl_write) (SSL *s, const void *buf, int len); | |
549 | int (*ssl_shutdown) (SSL *s); | |
550 | int (*ssl_renegotiate) (SSL *s); | |
551 | int (*ssl_renegotiate_check) (SSL *s); | |
657da85e MC |
552 | int (*ssl_read_bytes) (SSL *s, int type, int *recvd_type, |
553 | unsigned char *buf, int len, int peek); | |
b6ba4014 MC |
554 | int (*ssl_write_bytes) (SSL *s, int type, const void *buf_, int len); |
555 | int (*ssl_dispatch_alert) (SSL *s); | |
556 | long (*ssl_ctrl) (SSL *s, int cmd, long larg, void *parg); | |
557 | long (*ssl_ctx_ctrl) (SSL_CTX *ctx, int cmd, long larg, void *parg); | |
558 | const SSL_CIPHER *(*get_cipher_by_char) (const unsigned char *ptr); | |
559 | int (*put_cipher_by_char) (const SSL_CIPHER *cipher, unsigned char *ptr); | |
560 | int (*ssl_pending) (const SSL *s); | |
561 | int (*num_ciphers) (void); | |
562 | const SSL_CIPHER *(*get_cipher) (unsigned ncipher); | |
563 | const struct ssl_method_st *(*get_ssl_method) (int version); | |
564 | long (*get_timeout) (void); | |
565 | const struct ssl3_enc_method *ssl3_enc; /* Extra SSLv3/TLS stuff */ | |
566 | int (*ssl_version) (void); | |
567 | long (*ssl_callback_ctrl) (SSL *s, int cb_id, void (*fp) (void)); | |
568 | long (*ssl_ctx_callback_ctrl) (SSL_CTX *s, int cb_id, void (*fp) (void)); | |
569 | }; | |
570 | ||
571 | /*- | |
572 | * Lets make this into an ASN.1 type structure as follows | |
573 | * SSL_SESSION_ID ::= SEQUENCE { | |
574 | * version INTEGER, -- structure version number | |
575 | * SSLversion INTEGER, -- SSL version number | |
576 | * Cipher OCTET STRING, -- the 3 byte cipher ID | |
577 | * Session_ID OCTET STRING, -- the Session ID | |
578 | * Master_key OCTET STRING, -- the master key | |
b6ba4014 MC |
579 | * Key_Arg [ 0 ] IMPLICIT OCTET STRING, -- the optional Key argument |
580 | * Time [ 1 ] EXPLICIT INTEGER, -- optional Start Time | |
581 | * Timeout [ 2 ] EXPLICIT INTEGER, -- optional Timeout ins seconds | |
582 | * Peer [ 3 ] EXPLICIT X509, -- optional Peer Certificate | |
583 | * Session_ID_context [ 4 ] EXPLICIT OCTET STRING, -- the Session ID context | |
584 | * Verify_result [ 5 ] EXPLICIT INTEGER, -- X509_V_... code for `Peer' | |
585 | * HostName [ 6 ] EXPLICIT OCTET STRING, -- optional HostName from servername TLS extension | |
586 | * PSK_identity_hint [ 7 ] EXPLICIT OCTET STRING, -- optional PSK identity hint | |
587 | * PSK_identity [ 8 ] EXPLICIT OCTET STRING, -- optional PSK identity | |
588 | * Ticket_lifetime_hint [9] EXPLICIT INTEGER, -- server's lifetime hint for session ticket | |
589 | * Ticket [10] EXPLICIT OCTET STRING, -- session ticket (clients only) | |
590 | * Compression_meth [11] EXPLICIT OCTET STRING, -- optional compression method | |
591 | * SRP_username [ 12 ] EXPLICIT OCTET STRING -- optional SRP username | |
6f152a15 | 592 | * flags [ 13 ] EXPLICIT INTEGER -- optional flags |
b6ba4014 MC |
593 | * } |
594 | * Look in ssl/ssl_asn1.c for more details | |
595 | * I'm using EXPLICIT tags so I can read the damn things using asn1parse :-). | |
596 | */ | |
597 | struct ssl_session_st { | |
598 | int ssl_version; /* what ssl version session info is being | |
599 | * kept in here? */ | |
600 | int master_key_length; | |
601 | unsigned char master_key[SSL_MAX_MASTER_KEY_LENGTH]; | |
602 | /* session_id - valid? */ | |
603 | unsigned int session_id_length; | |
604 | unsigned char session_id[SSL_MAX_SSL_SESSION_ID_LENGTH]; | |
605 | /* | |
606 | * this is used to determine whether the session is being reused in the | |
607 | * appropriate context. It is up to the application to set this, via | |
608 | * SSL_new | |
609 | */ | |
610 | unsigned int sid_ctx_length; | |
611 | unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH]; | |
b6ba4014 MC |
612 | # ifndef OPENSSL_NO_PSK |
613 | char *psk_identity_hint; | |
614 | char *psk_identity; | |
615 | # endif | |
616 | /* | |
617 | * Used to indicate that session resumption is not allowed. Applications | |
618 | * can also set this bit for a new session via not_resumable_session_cb | |
619 | * to disable session caching and tickets. | |
620 | */ | |
621 | int not_resumable; | |
a273c6ee | 622 | /* This is the cert and type for the other end. */ |
b6ba4014 | 623 | X509 *peer; |
a273c6ee | 624 | int peer_type; |
c34b0f99 DSH |
625 | /* Certificate chain of peer */ |
626 | STACK_OF(X509) *peer_chain; | |
b6ba4014 MC |
627 | /* |
628 | * when app_verify_callback accepts a session where the peer's | |
629 | * certificate is not ok, we must remember the error for session reuse: | |
630 | */ | |
631 | long verify_result; /* only for servers */ | |
632 | int references; | |
633 | long timeout; | |
634 | long time; | |
635 | unsigned int compress_meth; /* Need to lookup the method */ | |
636 | const SSL_CIPHER *cipher; | |
637 | unsigned long cipher_id; /* when ASN.1 loaded, this needs to be used | |
638 | * to load the 'cipher' structure */ | |
639 | STACK_OF(SSL_CIPHER) *ciphers; /* shared ciphers? */ | |
640 | CRYPTO_EX_DATA ex_data; /* application specific data */ | |
641 | /* | |
642 | * These are used to make removal of session-ids more efficient and to | |
643 | * implement a maximum cache size. | |
644 | */ | |
645 | struct ssl_session_st *prev, *next; | |
b6ba4014 | 646 | char *tlsext_hostname; |
e481f9b9 | 647 | # ifndef OPENSSL_NO_EC |
b6ba4014 MC |
648 | size_t tlsext_ecpointformatlist_length; |
649 | unsigned char *tlsext_ecpointformatlist; /* peer's list */ | |
650 | size_t tlsext_ellipticcurvelist_length; | |
651 | unsigned char *tlsext_ellipticcurvelist; /* peer's list */ | |
e481f9b9 | 652 | # endif /* OPENSSL_NO_EC */ |
b6ba4014 MC |
653 | /* RFC4507 info */ |
654 | unsigned char *tlsext_tick; /* Session ticket */ | |
655 | size_t tlsext_ticklen; /* Session ticket length */ | |
75ea3632 | 656 | unsigned long tlsext_tick_lifetime_hint; /* Session lifetime hint in seconds */ |
b6ba4014 MC |
657 | # ifndef OPENSSL_NO_SRP |
658 | char *srp_username; | |
659 | # endif | |
f7d53487 | 660 | uint32_t flags; |
b6ba4014 MC |
661 | }; |
662 | ||
6f152a15 DSH |
663 | /* Extended master secret support */ |
664 | # define SSL_SESS_FLAG_EXTMS 0x1 | |
665 | ||
b6ba4014 MC |
666 | |
667 | # ifndef OPENSSL_NO_SRP | |
668 | ||
669 | typedef struct srp_ctx_st { | |
670 | /* param for all the callbacks */ | |
671 | void *SRP_cb_arg; | |
672 | /* set client Hello login callback */ | |
673 | int (*TLS_ext_srp_username_callback) (SSL *, int *, void *); | |
674 | /* set SRP N/g param callback for verification */ | |
675 | int (*SRP_verify_param_callback) (SSL *, void *); | |
676 | /* set SRP client passwd callback */ | |
677 | char *(*SRP_give_srp_client_pwd_callback) (SSL *, void *); | |
678 | char *login; | |
679 | BIGNUM *N, *g, *s, *B, *A; | |
680 | BIGNUM *a, *b, *v; | |
681 | char *info; | |
682 | int strength; | |
683 | unsigned long srp_Mask; | |
684 | } SRP_CTX; | |
685 | ||
686 | # endif | |
687 | ||
b6ba4014 MC |
688 | struct ssl_comp_st { |
689 | int id; | |
690 | const char *name; | |
b6ba4014 | 691 | COMP_METHOD *method; |
b6ba4014 MC |
692 | }; |
693 | ||
89d6aa10 | 694 | DEFINE_LHASH_OF(SSL_SESSION); |
b6ba4014 | 695 | |
f8e0a557 | 696 | |
b6ba4014 MC |
697 | struct ssl_ctx_st { |
698 | const SSL_METHOD *method; | |
699 | STACK_OF(SSL_CIPHER) *cipher_list; | |
700 | /* same as above but sorted for lookup */ | |
701 | STACK_OF(SSL_CIPHER) *cipher_list_by_id; | |
702 | struct x509_store_st /* X509_STORE */ *cert_store; | |
703 | LHASH_OF(SSL_SESSION) *sessions; | |
704 | /* | |
705 | * Most session-ids that will be cached, default is | |
706 | * SSL_SESSION_CACHE_MAX_SIZE_DEFAULT. 0 is unlimited. | |
707 | */ | |
708 | unsigned long session_cache_size; | |
709 | struct ssl_session_st *session_cache_head; | |
710 | struct ssl_session_st *session_cache_tail; | |
711 | /* | |
712 | * This can have one of 2 values, ored together, SSL_SESS_CACHE_CLIENT, | |
713 | * SSL_SESS_CACHE_SERVER, Default is SSL_SESSION_CACHE_SERVER, which | |
714 | * means only SSL_accept which cache SSL_SESSIONS. | |
715 | */ | |
f7d53487 | 716 | uint32_t session_cache_mode; |
b6ba4014 MC |
717 | /* |
718 | * If timeout is not 0, it is the default timeout value set when | |
719 | * SSL_new() is called. This has been put in to make life easier to set | |
720 | * things up | |
721 | */ | |
722 | long session_timeout; | |
723 | /* | |
724 | * If this callback is not null, it will be called each time a session id | |
725 | * is added to the cache. If this function returns 1, it means that the | |
726 | * callback will do a SSL_SESSION_free() when it has finished using it. | |
727 | * Otherwise, on 0, it means the callback has finished with it. If | |
728 | * remove_session_cb is not null, it will be called when a session-id is | |
729 | * removed from the cache. After the call, OpenSSL will | |
730 | * SSL_SESSION_free() it. | |
731 | */ | |
732 | int (*new_session_cb) (struct ssl_st *ssl, SSL_SESSION *sess); | |
733 | void (*remove_session_cb) (struct ssl_ctx_st *ctx, SSL_SESSION *sess); | |
734 | SSL_SESSION *(*get_session_cb) (struct ssl_st *ssl, | |
735 | unsigned char *data, int len, int *copy); | |
736 | struct { | |
737 | int sess_connect; /* SSL new conn - started */ | |
738 | int sess_connect_renegotiate; /* SSL reneg - requested */ | |
739 | int sess_connect_good; /* SSL new conne/reneg - finished */ | |
740 | int sess_accept; /* SSL new accept - started */ | |
741 | int sess_accept_renegotiate; /* SSL reneg - requested */ | |
742 | int sess_accept_good; /* SSL accept/reneg - finished */ | |
743 | int sess_miss; /* session lookup misses */ | |
744 | int sess_timeout; /* reuse attempt on timeouted session */ | |
745 | int sess_cache_full; /* session removed due to full cache */ | |
746 | int sess_hit; /* session reuse actually done */ | |
747 | int sess_cb_hit; /* session-id that was not in the cache was | |
748 | * passed back via the callback. This | |
749 | * indicates that the application is | |
750 | * supplying session-id's from other | |
751 | * processes - spooky :-) */ | |
752 | } stats; | |
753 | ||
754 | int references; | |
755 | ||
756 | /* if defined, these override the X509_verify_cert() calls */ | |
757 | int (*app_verify_callback) (X509_STORE_CTX *, void *); | |
758 | void *app_verify_arg; | |
759 | /* | |
760 | * before OpenSSL 0.9.7, 'app_verify_arg' was ignored | |
761 | * ('app_verify_callback' was called with just one argument) | |
762 | */ | |
763 | ||
764 | /* Default password callback. */ | |
765 | pem_password_cb *default_passwd_callback; | |
766 | ||
767 | /* Default password callback user data. */ | |
768 | void *default_passwd_callback_userdata; | |
769 | ||
770 | /* get client cert callback */ | |
771 | int (*client_cert_cb) (SSL *ssl, X509 **x509, EVP_PKEY **pkey); | |
772 | ||
773 | /* cookie generate callback */ | |
774 | int (*app_gen_cookie_cb) (SSL *ssl, unsigned char *cookie, | |
775 | unsigned int *cookie_len); | |
776 | ||
777 | /* verify cookie callback */ | |
31011544 | 778 | int (*app_verify_cookie_cb) (SSL *ssl, const unsigned char *cookie, |
b6ba4014 MC |
779 | unsigned int cookie_len); |
780 | ||
781 | CRYPTO_EX_DATA ex_data; | |
782 | ||
783 | const EVP_MD *md5; /* For SSLv3/TLSv1 'ssl3-md5' */ | |
784 | const EVP_MD *sha1; /* For SSLv3/TLSv1 'ssl3->sha1' */ | |
785 | ||
786 | STACK_OF(X509) *extra_certs; | |
787 | STACK_OF(SSL_COMP) *comp_methods; /* stack of SSL_COMP, SSLv3/TLSv1 */ | |
788 | ||
789 | /* Default values used when no per-SSL value is defined follow */ | |
790 | ||
791 | /* used if SSL's info_callback is NULL */ | |
792 | void (*info_callback) (const SSL *ssl, int type, int val); | |
793 | ||
794 | /* what we put in client cert requests */ | |
795 | STACK_OF(X509_NAME) *client_CA; | |
796 | ||
797 | /* | |
798 | * Default values to use in SSL structures follow (these are copied by | |
799 | * SSL_new) | |
800 | */ | |
801 | ||
f7d53487 DSH |
802 | uint32_t options; |
803 | uint32_t mode; | |
7946ab33 KR |
804 | int min_proto_version; |
805 | int max_proto_version; | |
b6ba4014 MC |
806 | long max_cert_list; |
807 | ||
808 | struct cert_st /* CERT */ *cert; | |
809 | int read_ahead; | |
810 | ||
811 | /* callback that allows applications to peek at protocol messages */ | |
812 | void (*msg_callback) (int write_p, int version, int content_type, | |
813 | const void *buf, size_t len, SSL *ssl, void *arg); | |
814 | void *msg_callback_arg; | |
815 | ||
f7d53487 | 816 | uint32_t verify_mode; |
b6ba4014 MC |
817 | unsigned int sid_ctx_length; |
818 | unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH]; | |
819 | /* called 'verify_callback' in the SSL */ | |
820 | int (*default_verify_callback) (int ok, X509_STORE_CTX *ctx); | |
821 | ||
822 | /* Default generate session ID callback. */ | |
823 | GEN_SESSION_CB generate_session_id; | |
824 | ||
825 | X509_VERIFY_PARAM *param; | |
826 | ||
827 | int quiet_shutdown; | |
828 | ||
829 | /* | |
830 | * Maximum amount of data to send in one fragment. actual record size can | |
831 | * be more than this due to padding and MAC overheads. | |
832 | */ | |
833 | unsigned int max_send_fragment; | |
834 | ||
835 | # ifndef OPENSSL_NO_ENGINE | |
836 | /* | |
837 | * Engine to pass requests for client certs to | |
838 | */ | |
839 | ENGINE *client_cert_engine; | |
840 | # endif | |
841 | ||
b6ba4014 MC |
842 | /* TLS extensions servername callback */ |
843 | int (*tlsext_servername_callback) (SSL *, int *, void *); | |
844 | void *tlsext_servername_arg; | |
845 | /* RFC 4507 session ticket keys */ | |
846 | unsigned char tlsext_tick_key_name[16]; | |
847 | unsigned char tlsext_tick_hmac_key[16]; | |
848 | unsigned char tlsext_tick_aes_key[16]; | |
849 | /* Callback to support customisation of ticket key setting */ | |
850 | int (*tlsext_ticket_key_cb) (SSL *ssl, | |
851 | unsigned char *name, unsigned char *iv, | |
852 | EVP_CIPHER_CTX *ectx, | |
853 | HMAC_CTX *hctx, int enc); | |
854 | ||
855 | /* certificate status request info */ | |
856 | /* Callback for status request */ | |
857 | int (*tlsext_status_cb) (SSL *ssl, void *arg); | |
858 | void *tlsext_status_arg; | |
b6ba4014 MC |
859 | |
860 | # ifndef OPENSSL_NO_PSK | |
b6ba4014 MC |
861 | unsigned int (*psk_client_callback) (SSL *ssl, const char *hint, |
862 | char *identity, | |
863 | unsigned int max_identity_len, | |
864 | unsigned char *psk, | |
865 | unsigned int max_psk_len); | |
866 | unsigned int (*psk_server_callback) (SSL *ssl, const char *identity, | |
867 | unsigned char *psk, | |
868 | unsigned int max_psk_len); | |
869 | # endif | |
870 | ||
871 | # ifndef OPENSSL_NO_SRP | |
872 | SRP_CTX srp_ctx; /* ctx for SRP authentication */ | |
873 | # endif | |
874 | ||
e481f9b9 | 875 | # ifndef OPENSSL_NO_NEXTPROTONEG |
b6ba4014 MC |
876 | /* Next protocol negotiation information */ |
877 | /* (for experimental NPN extension). */ | |
878 | ||
879 | /* | |
880 | * For a server, this contains a callback function by which the set of | |
881 | * advertised protocols can be provided. | |
882 | */ | |
883 | int (*next_protos_advertised_cb) (SSL *s, const unsigned char **buf, | |
884 | unsigned int *len, void *arg); | |
885 | void *next_protos_advertised_cb_arg; | |
886 | /* | |
887 | * For a client, this contains a callback function that selects the next | |
888 | * protocol from the list provided by the server. | |
889 | */ | |
890 | int (*next_proto_select_cb) (SSL *s, unsigned char **out, | |
891 | unsigned char *outlen, | |
892 | const unsigned char *in, | |
893 | unsigned int inlen, void *arg); | |
894 | void *next_proto_select_cb_arg; | |
e481f9b9 | 895 | # endif |
b6ba4014 MC |
896 | |
897 | /* | |
898 | * ALPN information (we are in the process of transitioning from NPN to | |
899 | * ALPN.) | |
900 | */ | |
901 | ||
902 | /*- | |
903 | * For a server, this contains a callback function that allows the | |
904 | * server to select the protocol for the connection. | |
905 | * out: on successful return, this must point to the raw protocol | |
906 | * name (without the length prefix). | |
907 | * outlen: on successful return, this contains the length of |*out|. | |
908 | * in: points to the client's list of supported protocols in | |
909 | * wire-format. | |
910 | * inlen: the length of |in|. | |
911 | */ | |
912 | int (*alpn_select_cb) (SSL *s, | |
913 | const unsigned char **out, | |
914 | unsigned char *outlen, | |
915 | const unsigned char *in, | |
916 | unsigned int inlen, void *arg); | |
917 | void *alpn_select_cb_arg; | |
918 | ||
919 | /* | |
920 | * For a client, this contains the list of supported protocols in wire | |
921 | * format. | |
922 | */ | |
923 | unsigned char *alpn_client_proto_list; | |
924 | unsigned alpn_client_proto_list_len; | |
925 | ||
919ba009 VD |
926 | /* Shared DANE context */ |
927 | struct dane_ctx_st dane; | |
928 | ||
b6ba4014 MC |
929 | /* SRTP profiles we are willing to do from RFC 5764 */ |
930 | STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles; | |
b6ba4014 MC |
931 | /* |
932 | * Callback for disabling session caching and ticket support on a session | |
933 | * basis, depending on the chosen cipher. | |
934 | */ | |
935 | int (*not_resumable_session_cb) (SSL *ssl, int is_forward_secure); | |
936 | # ifndef OPENSSL_NO_EC | |
937 | /* EC extension values inherited by SSL structure */ | |
938 | size_t tlsext_ecpointformatlist_length; | |
939 | unsigned char *tlsext_ecpointformatlist; | |
940 | size_t tlsext_ellipticcurvelist_length; | |
941 | unsigned char *tlsext_ellipticcurvelist; | |
942 | # endif /* OPENSSL_NO_EC */ | |
943 | }; | |
944 | ||
945 | ||
946 | struct ssl_st { | |
947 | /* | |
948 | * protocol version (one of SSL2_VERSION, SSL3_VERSION, TLS1_VERSION, | |
949 | * DTLS1_VERSION) | |
950 | */ | |
951 | int version; | |
23a635c0 | 952 | |
b6ba4014 MC |
953 | /* SSLv3 */ |
954 | const SSL_METHOD *method; | |
955 | /* | |
956 | * There are 2 BIO's even though they are normally both the same. This | |
957 | * is so data can be read and written to different handlers | |
958 | */ | |
959 | /* used by SSL_read */ | |
960 | BIO *rbio; | |
961 | /* used by SSL_write */ | |
962 | BIO *wbio; | |
963 | /* used during session-id reuse to concatenate messages */ | |
964 | BIO *bbio; | |
965 | /* | |
966 | * This holds a variable that indicates what we were doing when a 0 or -1 | |
967 | * is returned. This is needed for non-blocking IO so we know what | |
968 | * request needs re-doing when in SSL_accept or SSL_connect | |
969 | */ | |
970 | int rwstate; | |
024f543c | 971 | |
b6ba4014 MC |
972 | int (*handshake_func) (SSL *); |
973 | /* | |
974 | * Imagine that here's a boolean member "init" that is switched as soon | |
975 | * as SSL_set_{accept/connect}_state is called for the first time, so | |
976 | * that "state" and "handshake_func" are properly initialized. But as | |
977 | * handshake_func is == 0 until then, we use this test instead of an | |
978 | * "init" member. | |
979 | */ | |
23a635c0 | 980 | /* are we the server side? */ |
b6ba4014 MC |
981 | int server; |
982 | /* | |
983 | * Generate a new session or reuse an old one. | |
984 | * NB: For servers, the 'new' session may actually be a previously | |
985 | * cached session or even the previous session unless | |
986 | * SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION is set | |
987 | */ | |
988 | int new_session; | |
989 | /* don't send shutdown packets */ | |
990 | int quiet_shutdown; | |
991 | /* we have shut things down, 0x01 sent, 0x02 for received */ | |
992 | int shutdown; | |
993 | /* where we are */ | |
d6f1a6e9 | 994 | OSSL_STATEM statem; |
f8e0a557 | 995 | |
b6ba4014 MC |
996 | BUF_MEM *init_buf; /* buffer used during init */ |
997 | void *init_msg; /* pointer to handshake message body, set by | |
998 | * ssl3_get_message() */ | |
999 | int init_num; /* amount read/written */ | |
1000 | int init_off; /* amount read/written */ | |
7a7048af | 1001 | |
b6ba4014 MC |
1002 | struct ssl3_state_st *s3; /* SSLv3 variables */ |
1003 | struct dtls1_state_st *d1; /* DTLSv1 variables */ | |
52e1d7b1 | 1004 | |
b6ba4014 MC |
1005 | /* callback that allows applications to peek at protocol messages */ |
1006 | void (*msg_callback) (int write_p, int version, int content_type, | |
1007 | const void *buf, size_t len, SSL *ssl, void *arg); | |
1008 | void *msg_callback_arg; | |
1009 | int hit; /* reusing a previous session */ | |
1010 | X509_VERIFY_PARAM *param; | |
919ba009 VD |
1011 | |
1012 | /* Per connection DANE state */ | |
1013 | struct dane_st dane; | |
1014 | ||
b6ba4014 MC |
1015 | /* crypto */ |
1016 | STACK_OF(SSL_CIPHER) *cipher_list; | |
1017 | STACK_OF(SSL_CIPHER) *cipher_list_by_id; | |
1018 | /* | |
1019 | * These are the ones being used, the ones in SSL_SESSION are the ones to | |
1020 | * be 'copied' into these ones | |
1021 | */ | |
f7d53487 | 1022 | uint32_t mac_flags; |
b6ba4014 MC |
1023 | EVP_CIPHER_CTX *enc_read_ctx; /* cryptographic state */ |
1024 | EVP_MD_CTX *read_hash; /* used for mac generation */ | |
9a555706 | 1025 | COMP_CTX *compress; /* compression */ |
b6ba4014 | 1026 | COMP_CTX *expand; /* uncompress */ |
b6ba4014 MC |
1027 | EVP_CIPHER_CTX *enc_write_ctx; /* cryptographic state */ |
1028 | EVP_MD_CTX *write_hash; /* used for mac generation */ | |
b6ba4014 MC |
1029 | /* session info */ |
1030 | /* client cert? */ | |
1031 | /* This is used to hold the server certificate used */ | |
1032 | struct cert_st /* CERT */ *cert; | |
1033 | /* | |
1034 | * the session_id_context is used to ensure sessions are only reused in | |
1035 | * the appropriate context | |
1036 | */ | |
1037 | unsigned int sid_ctx_length; | |
1038 | unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH]; | |
1039 | /* This can also be in the session once a session is established */ | |
1040 | SSL_SESSION *session; | |
1041 | /* Default generate session ID callback. */ | |
1042 | GEN_SESSION_CB generate_session_id; | |
1043 | /* Used in SSL3 */ | |
1044 | /* | |
1045 | * 0 don't care about verify failure. | |
1046 | * 1 fail if verify fails | |
1047 | */ | |
f7d53487 | 1048 | uint32_t verify_mode; |
b6ba4014 MC |
1049 | /* fail if callback returns 0 */ |
1050 | int (*verify_callback) (int ok, X509_STORE_CTX *ctx); | |
1051 | /* optional informational callback */ | |
1052 | void (*info_callback) (const SSL *ssl, int type, int val); | |
1053 | /* error bytes to be written */ | |
1054 | int error; | |
1055 | /* actual code */ | |
1056 | int error_code; | |
b6ba4014 MC |
1057 | # ifndef OPENSSL_NO_PSK |
1058 | unsigned int (*psk_client_callback) (SSL *ssl, const char *hint, | |
1059 | char *identity, | |
1060 | unsigned int max_identity_len, | |
1061 | unsigned char *psk, | |
1062 | unsigned int max_psk_len); | |
1063 | unsigned int (*psk_server_callback) (SSL *ssl, const char *identity, | |
1064 | unsigned char *psk, | |
1065 | unsigned int max_psk_len); | |
1066 | # endif | |
1067 | SSL_CTX *ctx; | |
b6ba4014 MC |
1068 | /* extra application data */ |
1069 | long verify_result; | |
1070 | CRYPTO_EX_DATA ex_data; | |
1071 | /* for server side, keep the list of CA_dn we can use */ | |
1072 | STACK_OF(X509_NAME) *client_CA; | |
1073 | int references; | |
1074 | /* protocol behaviour */ | |
f7d53487 | 1075 | uint32_t options; |
b6ba4014 | 1076 | /* API behaviour */ |
f7d53487 | 1077 | uint32_t mode; |
7946ab33 KR |
1078 | int min_proto_version; |
1079 | int max_proto_version; | |
b6ba4014 MC |
1080 | long max_cert_list; |
1081 | int first_packet; | |
1082 | /* what was passed, used for SSLv3/TLS rollback check */ | |
1083 | int client_version; | |
1084 | unsigned int max_send_fragment; | |
e481f9b9 | 1085 | |
b6ba4014 MC |
1086 | /* TLS extension debug callback */ |
1087 | void (*tlsext_debug_cb) (SSL *s, int client_server, int type, | |
1088 | unsigned char *data, int len, void *arg); | |
1089 | void *tlsext_debug_arg; | |
1090 | char *tlsext_hostname; | |
1091 | /*- | |
1092 | * no further mod of servername | |
1093 | * 0 : call the servername extension callback. | |
1094 | * 1 : prepare 2, allow last ack just after in server callback. | |
1095 | * 2 : don't call servername callback, no ack in server hello | |
1096 | */ | |
1097 | int servername_done; | |
1098 | /* certificate status request info */ | |
1099 | /* Status type or -1 if no status type */ | |
1100 | int tlsext_status_type; | |
1101 | /* Expect OCSP CertificateStatus message */ | |
1102 | int tlsext_status_expected; | |
1103 | /* OCSP status request only */ | |
1104 | STACK_OF(OCSP_RESPID) *tlsext_ocsp_ids; | |
1105 | X509_EXTENSIONS *tlsext_ocsp_exts; | |
1106 | /* OCSP response received or to be sent */ | |
1107 | unsigned char *tlsext_ocsp_resp; | |
1108 | int tlsext_ocsp_resplen; | |
1109 | /* RFC4507 session ticket expected to be received or sent */ | |
1110 | int tlsext_ticket_expected; | |
e481f9b9 | 1111 | # ifndef OPENSSL_NO_EC |
b6ba4014 MC |
1112 | size_t tlsext_ecpointformatlist_length; |
1113 | /* our list */ | |
1114 | unsigned char *tlsext_ecpointformatlist; | |
1115 | size_t tlsext_ellipticcurvelist_length; | |
1116 | /* our list */ | |
1117 | unsigned char *tlsext_ellipticcurvelist; | |
e481f9b9 | 1118 | # endif /* OPENSSL_NO_EC */ |
b6ba4014 MC |
1119 | /* TLS Session Ticket extension override */ |
1120 | TLS_SESSION_TICKET_EXT *tlsext_session_ticket; | |
1121 | /* TLS Session Ticket extension callback */ | |
1122 | tls_session_ticket_ext_cb_fn tls_session_ticket_ext_cb; | |
1123 | void *tls_session_ticket_ext_cb_arg; | |
1124 | /* TLS pre-shared secret session resumption */ | |
1125 | tls_session_secret_cb_fn tls_session_secret_cb; | |
1126 | void *tls_session_secret_cb_arg; | |
1127 | SSL_CTX *initial_ctx; /* initial ctx, used to store sessions */ | |
e481f9b9 | 1128 | # ifndef OPENSSL_NO_NEXTPROTONEG |
b6ba4014 MC |
1129 | /* |
1130 | * Next protocol negotiation. For the client, this is the protocol that | |
1131 | * we sent in NextProtocol and is set when handling ServerHello | |
1132 | * extensions. For a server, this is the client's selected_protocol from | |
1133 | * NextProtocol and is set when handling the NextProtocol message, before | |
1134 | * the Finished message. | |
1135 | */ | |
1136 | unsigned char *next_proto_negotiated; | |
1137 | unsigned char next_proto_negotiated_len; | |
e481f9b9 MC |
1138 | # endif |
1139 | # define session_ctx initial_ctx | |
b6ba4014 MC |
1140 | /* What we'll do */ |
1141 | STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles; | |
1142 | /* What's been chosen */ | |
1143 | SRTP_PROTECTION_PROFILE *srtp_profile; | |
1144 | /*- | |
1145 | * Is use of the Heartbeat extension negotiated? | |
1146 | * 0: disabled | |
1147 | * 1: enabled | |
1148 | * 2: enabled, but not allowed to send Requests | |
1149 | */ | |
1150 | unsigned int tlsext_heartbeat; | |
1151 | /* Indicates if a HeartbeatRequest is in flight */ | |
1152 | unsigned int tlsext_hb_pending; | |
1153 | /* HeartbeatRequest sequence number */ | |
1154 | unsigned int tlsext_hb_seq; | |
1155 | /* | |
1156 | * For a client, this contains the list of supported protocols in wire | |
1157 | * format. | |
1158 | */ | |
1159 | unsigned char *alpn_client_proto_list; | |
1160 | unsigned alpn_client_proto_list_len; | |
e481f9b9 | 1161 | |
b6ba4014 MC |
1162 | /*- |
1163 | * 1 if we are renegotiating. | |
1164 | * 2 if we are a server and are inside a handshake | |
1165 | * (i.e. not just sending a HelloRequest) | |
1166 | */ | |
1167 | int renegotiate; | |
1168 | # ifndef OPENSSL_NO_SRP | |
1169 | /* ctx for SRP authentication */ | |
1170 | SRP_CTX srp_ctx; | |
1171 | # endif | |
1172 | /* | |
1173 | * Callback for disabling session caching and ticket support on a session | |
1174 | * basis, depending on the chosen cipher. | |
1175 | */ | |
1176 | int (*not_resumable_session_cb) (SSL *ssl, int is_forward_secure); | |
28d59af8 MC |
1177 | |
1178 | RECORD_LAYER rlayer; | |
a974e64a MC |
1179 | |
1180 | /* Default password callback. */ | |
1181 | pem_password_cb *default_passwd_callback; | |
1182 | ||
1183 | /* Default password callback user data. */ | |
1184 | void *default_passwd_callback_userdata; | |
07bbc92c MC |
1185 | |
1186 | /* Async Job info */ | |
1187 | ASYNC_JOB *job; | |
b6ba4014 MC |
1188 | }; |
1189 | ||
b6ba4014 | 1190 | |
b6ba4014 MC |
1191 | typedef struct ssl3_state_st { |
1192 | long flags; | |
b6ba4014 MC |
1193 | int read_mac_secret_size; |
1194 | unsigned char read_mac_secret[EVP_MAX_MD_SIZE]; | |
b6ba4014 MC |
1195 | int write_mac_secret_size; |
1196 | unsigned char write_mac_secret[EVP_MAX_MD_SIZE]; | |
1197 | unsigned char server_random[SSL3_RANDOM_SIZE]; | |
1198 | unsigned char client_random[SSL3_RANDOM_SIZE]; | |
1199 | /* flags for countermeasure against known-IV weakness */ | |
1200 | int need_empty_fragments; | |
1201 | int empty_fragment_done; | |
b6ba4014 MC |
1202 | /* used during startup, digest all incoming/outgoing packets */ |
1203 | BIO *handshake_buffer; | |
1204 | /* | |
28ba2541 DSH |
1205 | * When handshake digest is determined, buffer is hashed and |
1206 | * freed and MD_CTX for the required digest is stored here. | |
b6ba4014 | 1207 | */ |
28ba2541 | 1208 | EVP_MD_CTX *handshake_dgst; |
b6ba4014 MC |
1209 | /* |
1210 | * Set whenever an expected ChangeCipherSpec message is processed. | |
1211 | * Unset when the peer's Finished message is received. | |
1212 | * Unexpected ChangeCipherSpec messages trigger a fatal alert. | |
1213 | */ | |
1214 | int change_cipher_spec; | |
1215 | int warn_alert; | |
1216 | int fatal_alert; | |
1217 | /* | |
1218 | * we allow one fatal and one warning alert to be outstanding, send close | |
1219 | * alert via the warning alert | |
1220 | */ | |
1221 | int alert_dispatch; | |
1222 | unsigned char send_alert[2]; | |
1223 | /* | |
1224 | * This flag is set when we should renegotiate ASAP, basically when there | |
1225 | * is no more data in the read or write buffers | |
1226 | */ | |
1227 | int renegotiate; | |
1228 | int total_renegotiations; | |
1229 | int num_renegotiations; | |
1230 | int in_read_app_data; | |
1231 | struct { | |
b6ba4014 MC |
1232 | /* actually only need to be 16+20 for SSLv3 and 12 for TLS */ |
1233 | unsigned char finish_md[EVP_MAX_MD_SIZE * 2]; | |
1234 | int finish_md_len; | |
1235 | unsigned char peer_finish_md[EVP_MAX_MD_SIZE * 2]; | |
1236 | int peer_finish_md_len; | |
1237 | unsigned long message_size; | |
1238 | int message_type; | |
1239 | /* used to hold the new cipher we are going to use */ | |
1240 | const SSL_CIPHER *new_cipher; | |
b22d7113 DSH |
1241 | # if !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_DH) |
1242 | EVP_PKEY *pkey; /* holds short lived DH/ECDH key */ | |
b6ba4014 | 1243 | # endif |
b6ba4014 MC |
1244 | /* used for certificate requests */ |
1245 | int cert_req; | |
1246 | int ctype_num; | |
1247 | char ctype[SSL3_CT_NUMBER]; | |
1248 | STACK_OF(X509_NAME) *ca_names; | |
b6ba4014 MC |
1249 | int key_block_length; |
1250 | unsigned char *key_block; | |
1251 | const EVP_CIPHER *new_sym_enc; | |
1252 | const EVP_MD *new_hash; | |
1253 | int new_mac_pkey_type; | |
1254 | int new_mac_secret_size; | |
1255 | # ifndef OPENSSL_NO_COMP | |
1256 | const SSL_COMP *new_compression; | |
1257 | # else | |
1258 | char *new_compression; | |
1259 | # endif | |
1260 | int cert_request; | |
76106e60 DSH |
1261 | /* Raw values of the cipher list from a client */ |
1262 | unsigned char *ciphers_raw; | |
1263 | size_t ciphers_rawlen; | |
1264 | /* Temporary storage for premaster secret */ | |
1265 | unsigned char *pms; | |
1266 | size_t pmslen; | |
85269210 | 1267 | #ifndef OPENSSL_NO_PSK |
64651d39 DSH |
1268 | /* Temporary storage for PSK key */ |
1269 | unsigned char *psk; | |
1270 | size_t psklen; | |
85269210 | 1271 | #endif |
76106e60 DSH |
1272 | /* |
1273 | * signature algorithms peer reports: e.g. supported signature | |
1274 | * algorithms extension for server or as part of a certificate | |
1275 | * request for client. | |
1276 | */ | |
1277 | unsigned char *peer_sigalgs; | |
1278 | /* Size of above array */ | |
1279 | size_t peer_sigalgslen; | |
d376e57d DSH |
1280 | /* Digest peer uses for signing */ |
1281 | const EVP_MD *peer_md; | |
1282 | /* Array of digests used for signing */ | |
1283 | const EVP_MD *md[SSL_PKEY_NUM]; | |
6383d316 DSH |
1284 | /* |
1285 | * Set if corresponding CERT_PKEY can be used with current | |
1286 | * SSL session: e.g. appropriate curve, signature algorithms etc. | |
1287 | * If zero it can't be used at all. | |
1288 | */ | |
f7d53487 | 1289 | uint32_t valid_flags[SSL_PKEY_NUM]; |
4d69f9e6 DSH |
1290 | /* |
1291 | * For servers the following masks are for the key and auth algorithms | |
1292 | * that are supported by the certs below. For clients they are masks of | |
1293 | * *disabled* algorithms based on the current session. | |
1294 | */ | |
90d9e49a DSH |
1295 | uint32_t mask_k; |
1296 | uint32_t mask_a; | |
4d69f9e6 | 1297 | /* Client only */ |
90d9e49a | 1298 | uint32_t mask_ssl; |
b6ba4014 MC |
1299 | } tmp; |
1300 | ||
1301 | /* Connection binding to prevent renegotiation attacks */ | |
1302 | unsigned char previous_client_finished[EVP_MAX_MD_SIZE]; | |
1303 | unsigned char previous_client_finished_len; | |
1304 | unsigned char previous_server_finished[EVP_MAX_MD_SIZE]; | |
1305 | unsigned char previous_server_finished_len; | |
1306 | int send_connection_binding; /* TODOEKR */ | |
1307 | ||
1308 | # ifndef OPENSSL_NO_NEXTPROTONEG | |
1309 | /* | |
1310 | * Set if we saw the Next Protocol Negotiation extension from our peer. | |
1311 | */ | |
1312 | int next_proto_neg_seen; | |
1313 | # endif | |
1314 | ||
b6ba4014 MC |
1315 | /* |
1316 | * ALPN information (we are in the process of transitioning from NPN to | |
1317 | * ALPN.) | |
1318 | */ | |
1319 | ||
1320 | /* | |
1321 | * In a server these point to the selected ALPN protocol after the | |
1322 | * ClientHello has been processed. In a client these contain the protocol | |
1323 | * that the server selected once the ServerHello has been processed. | |
1324 | */ | |
1325 | unsigned char *alpn_selected; | |
1326 | unsigned alpn_selected_len; | |
1327 | ||
1328 | # ifndef OPENSSL_NO_EC | |
1329 | /* | |
1330 | * This is set to true if we believe that this is a version of Safari | |
1331 | * running on OS X 10.6 or newer. We wish to know this because Safari on | |
1332 | * 10.8 .. 10.8.3 has broken ECDHE-ECDSA support. | |
1333 | */ | |
1334 | char is_probably_safari; | |
1335 | # endif /* !OPENSSL_NO_EC */ | |
8d92c1f8 DSH |
1336 | |
1337 | /* For clients: peer temporary key */ | |
fb79abe3 | 1338 | # if !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_DH) |
61dd9f7a | 1339 | EVP_PKEY *peer_tmp; |
8d92c1f8 DSH |
1340 | # endif |
1341 | ||
b6ba4014 MC |
1342 | } SSL3_STATE; |
1343 | ||
1344 | ||
1345 | /* DTLS structures */ | |
1346 | ||
1347 | # ifndef OPENSSL_NO_SCTP | |
1348 | # define DTLS1_SCTP_AUTH_LABEL "EXPORTER_DTLS_OVER_SCTP" | |
1349 | # endif | |
1350 | ||
1351 | /* Max MTU overhead we know about so far is 40 for IPv6 + 8 for UDP */ | |
1352 | # define DTLS1_MAX_MTU_OVERHEAD 48 | |
1353 | ||
e3d0dae7 MC |
1354 | /* |
1355 | * Flag used in message reuse to indicate the buffer contains the record | |
1356 | * header as well as the the handshake message header. | |
1357 | */ | |
1358 | # define DTLS1_SKIP_RECORD_HEADER 2 | |
1359 | ||
b6ba4014 MC |
1360 | struct dtls1_retransmit_state { |
1361 | EVP_CIPHER_CTX *enc_write_ctx; /* cryptographic state */ | |
1362 | EVP_MD_CTX *write_hash; /* used for mac generation */ | |
b6ba4014 | 1363 | COMP_CTX *compress; /* compression */ |
b6ba4014 MC |
1364 | SSL_SESSION *session; |
1365 | unsigned short epoch; | |
1366 | }; | |
1367 | ||
1368 | struct hm_header_st { | |
1369 | unsigned char type; | |
1370 | unsigned long msg_len; | |
1371 | unsigned short seq; | |
1372 | unsigned long frag_off; | |
1373 | unsigned long frag_len; | |
1374 | unsigned int is_ccs; | |
1375 | struct dtls1_retransmit_state saved_retransmit_state; | |
1376 | }; | |
1377 | ||
b6ba4014 MC |
1378 | struct dtls1_timeout_st { |
1379 | /* Number of read timeouts so far */ | |
1380 | unsigned int read_timeouts; | |
1381 | /* Number of write timeouts so far */ | |
1382 | unsigned int write_timeouts; | |
1383 | /* Number of alerts received so far */ | |
1384 | unsigned int num_alerts; | |
1385 | }; | |
1386 | ||
b6ba4014 MC |
1387 | typedef struct hm_fragment_st { |
1388 | struct hm_header_st msg_header; | |
1389 | unsigned char *fragment; | |
1390 | unsigned char *reassembly; | |
1391 | } hm_fragment; | |
1392 | ||
1393 | typedef struct dtls1_state_st { | |
b6ba4014 | 1394 | unsigned char cookie[DTLS1_COOKIE_LENGTH]; |
b6ba4014 | 1395 | unsigned int cookie_len; |
e27f234a | 1396 | unsigned int cookie_verified; |
78a39fe7 | 1397 | |
b6ba4014 MC |
1398 | /* handshake message numbers */ |
1399 | unsigned short handshake_write_seq; | |
1400 | unsigned short next_handshake_write_seq; | |
1401 | unsigned short handshake_read_seq; | |
3bb8f87d | 1402 | |
b6ba4014 MC |
1403 | /* Buffered handshake messages */ |
1404 | pqueue buffered_messages; | |
1405 | /* Buffered (sent) handshake records */ | |
1406 | pqueue sent_messages; | |
24a1e2f2 | 1407 | |
b6ba4014 MC |
1408 | unsigned int link_mtu; /* max on-the-wire DTLS packet size */ |
1409 | unsigned int mtu; /* max DTLS packet size */ | |
1410 | struct hm_header_st w_msg_hdr; | |
1411 | struct hm_header_st r_msg_hdr; | |
1412 | struct dtls1_timeout_st timeout; | |
1413 | /* | |
1414 | * Indicates when the last handshake msg or heartbeat sent will timeout | |
1415 | */ | |
1416 | struct timeval next_timeout; | |
1417 | /* Timeout duration */ | |
1418 | unsigned short timeout_duration; | |
c661ac16 | 1419 | |
b6ba4014 | 1420 | unsigned int retransmitting; |
b6ba4014 | 1421 | # ifndef OPENSSL_NO_SCTP |
b6ba4014 MC |
1422 | int shutdown_received; |
1423 | # endif | |
1424 | } DTLS1_STATE; | |
1425 | ||
b6ba4014 MC |
1426 | |
1427 | ||
0f113f3e MC |
1428 | # ifndef OPENSSL_NO_EC |
1429 | /* | |
1430 | * From ECC-TLS draft, used in encoding the curve type in ECParameters | |
ea262260 | 1431 | */ |
0f113f3e MC |
1432 | # define EXPLICIT_PRIME_CURVE_TYPE 1 |
1433 | # define EXPLICIT_CHAR2_CURVE_TYPE 2 | |
1434 | # define NAMED_CURVE_TYPE 3 | |
1435 | # endif /* OPENSSL_NO_EC */ | |
1436 | ||
1437 | typedef struct cert_pkey_st { | |
1438 | X509 *x509; | |
1439 | EVP_PKEY *privatekey; | |
0f113f3e MC |
1440 | /* Chain for this certificate */ |
1441 | STACK_OF(X509) *chain; | |
e481f9b9 | 1442 | |
50e735f9 MC |
1443 | /*- |
1444 | * serverinfo data for this certificate. The data is in TLS Extension | |
1445 | * wire format, specifically it's a series of records like: | |
1446 | * uint16_t extension_type; // (RFC 5246, 7.4.1.4, Extension) | |
1447 | * uint16_t length; | |
1448 | * uint8_t data[length]; | |
1449 | */ | |
0f113f3e MC |
1450 | unsigned char *serverinfo; |
1451 | size_t serverinfo_length; | |
0f113f3e | 1452 | } CERT_PKEY; |
2ea80354 | 1453 | /* Retrieve Suite B flags */ |
0f113f3e | 1454 | # define tls1_suiteb(s) (s->cert->cert_flags & SSL_CERT_FLAG_SUITEB_128_LOS) |
2ea80354 | 1455 | /* Uses to check strict mode: suite B modes are always strict */ |
0f113f3e MC |
1456 | # define SSL_CERT_FLAGS_CHECK_TLS_STRICT \ |
1457 | (SSL_CERT_FLAG_SUITEB_128_LOS|SSL_CERT_FLAG_TLS_STRICT) | |
d02b48c6 | 1458 | |
b83294fe | 1459 | typedef struct { |
0f113f3e MC |
1460 | unsigned short ext_type; |
1461 | /* | |
1462 | * Per-connection flags relating to this extension type: not used if | |
1463 | * part of an SSL_CTX structure. | |
1464 | */ | |
f7d53487 | 1465 | uint32_t ext_flags; |
0f113f3e MC |
1466 | custom_ext_add_cb add_cb; |
1467 | custom_ext_free_cb free_cb; | |
1468 | void *add_arg; | |
1469 | custom_ext_parse_cb parse_cb; | |
1470 | void *parse_arg; | |
ecf4d660 | 1471 | } custom_ext_method; |
b83294fe | 1472 | |
28ea0a0c DSH |
1473 | /* ext_flags values */ |
1474 | ||
0f113f3e MC |
1475 | /* |
1476 | * Indicates an extension has been received. Used to check for unsolicited or | |
1477 | * duplicate extensions. | |
28ea0a0c | 1478 | */ |
0f113f3e MC |
1479 | # define SSL_EXT_FLAG_RECEIVED 0x1 |
1480 | /* | |
1481 | * Indicates an extension has been sent: used to enable sending of | |
1482 | * corresponding ServerHello extension. | |
28ea0a0c | 1483 | */ |
0f113f3e | 1484 | # define SSL_EXT_FLAG_SENT 0x2 |
28ea0a0c | 1485 | |
b83294fe | 1486 | typedef struct { |
0f113f3e MC |
1487 | custom_ext_method *meths; |
1488 | size_t meths_count; | |
ecf4d660 | 1489 | } custom_ext_methods; |
b83294fe | 1490 | |
0f113f3e MC |
1491 | typedef struct cert_st { |
1492 | /* Current active set */ | |
1493 | /* | |
1494 | * ALWAYS points to an element of the pkeys array | |
1495 | * Probably it would make more sense to store | |
1496 | * an index, not a pointer. | |
1497 | */ | |
1498 | CERT_PKEY *key; | |
0f113f3e | 1499 | # ifndef OPENSSL_NO_DH |
e2b420fd | 1500 | EVP_PKEY *dh_tmp; |
0f113f3e MC |
1501 | DH *(*dh_tmp_cb) (SSL *ssl, int is_export, int keysize); |
1502 | int dh_tmp_auto; | |
0f113f3e MC |
1503 | # endif |
1504 | /* Flags related to certificates */ | |
f7d53487 | 1505 | uint32_t cert_flags; |
0f113f3e MC |
1506 | CERT_PKEY pkeys[SSL_PKEY_NUM]; |
1507 | /* | |
1508 | * Certificate types (received or sent) in certificate request message. | |
1509 | * On receive this is only set if number of certificate types exceeds | |
1510 | * SSL3_CT_NUMBER. | |
1511 | */ | |
1512 | unsigned char *ctypes; | |
1513 | size_t ctype_num; | |
0f113f3e MC |
1514 | /* |
1515 | * suppported signature algorithms. When set on a client this is sent in | |
1516 | * the client hello as the supported signature algorithms extension. For | |
1517 | * servers it represents the signature algorithms we are willing to use. | |
1518 | */ | |
1519 | unsigned char *conf_sigalgs; | |
1520 | /* Size of above array */ | |
1521 | size_t conf_sigalgslen; | |
1522 | /* | |
1523 | * Client authentication signature algorithms, if not set then uses | |
1524 | * conf_sigalgs. On servers these will be the signature algorithms sent | |
1525 | * to the client in a cerificate request for TLS 1.2. On a client this | |
1526 | * represents the signature algortithms we are willing to use for client | |
1527 | * authentication. | |
1528 | */ | |
1529 | unsigned char *client_sigalgs; | |
1530 | /* Size of above array */ | |
1531 | size_t client_sigalgslen; | |
1532 | /* | |
1533 | * Signature algorithms shared by client and server: cached because these | |
1534 | * are used most often. | |
1535 | */ | |
1536 | TLS_SIGALGS *shared_sigalgs; | |
1537 | size_t shared_sigalgslen; | |
1538 | /* | |
1539 | * Certificate setup callback: if set is called whenever a certificate | |
1540 | * may be required (client or server). the callback can then examine any | |
1541 | * appropriate parameters and setup any certificates required. This | |
1542 | * allows advanced applications to select certificates on the fly: for | |
1543 | * example based on supported signature algorithms or curves. | |
1544 | */ | |
1545 | int (*cert_cb) (SSL *ssl, void *arg); | |
1546 | void *cert_cb_arg; | |
1547 | /* | |
1548 | * Optional X509_STORE for chain building or certificate validation If | |
1549 | * NULL the parent SSL_CTX store is used instead. | |
1550 | */ | |
1551 | X509_STORE *chain_store; | |
1552 | X509_STORE *verify_store; | |
0f113f3e MC |
1553 | /* Custom extension methods for server and client */ |
1554 | custom_ext_methods cli_ext; | |
1555 | custom_ext_methods srv_ext; | |
1556 | /* Security callback */ | |
1557 | int (*sec_cb) (SSL *s, SSL_CTX *ctx, int op, int bits, int nid, | |
1558 | void *other, void *ex); | |
1559 | /* Security level */ | |
1560 | int sec_level; | |
1561 | void *sec_ex; | |
df6da24b DSH |
1562 | #ifndef OPENSSL_NO_PSK |
1563 | /* If not NULL psk identity hint to use for servers */ | |
1564 | char *psk_identity_hint; | |
1565 | #endif | |
0f113f3e MC |
1566 | int references; /* >1 only if SSL_copy_session_id is used */ |
1567 | } CERT; | |
1568 | ||
e7f8ff43 | 1569 | /* Structure containing decoded values of signature algorithms extension */ |
0f113f3e MC |
1570 | struct tls_sigalgs_st { |
1571 | /* NID of hash algorithm */ | |
1572 | int hash_nid; | |
1573 | /* NID of signature algorithm */ | |
1574 | int sign_nid; | |
1575 | /* Combined hash and signature NID */ | |
1576 | int signandhash_nid; | |
1577 | /* Raw values used in extension */ | |
1578 | unsigned char rsign; | |
1579 | unsigned char rhash; | |
1580 | }; | |
1581 | ||
1582 | /* | |
1583 | * #define MAC_DEBUG | |
1584 | */ | |
1585 | ||
1586 | /* | |
1587 | * #define ERR_DEBUG | |
1588 | */ | |
1589 | /* | |
1590 | * #define ABORT_DEBUG | |
1591 | */ | |
1592 | /* | |
1593 | * #define PKT_DEBUG 1 | |
1594 | */ | |
1595 | /* | |
1596 | * #define DES_DEBUG | |
1597 | */ | |
1598 | /* | |
1599 | * #define DES_OFB_DEBUG | |
1600 | */ | |
1601 | /* | |
1602 | * #define SSL_DEBUG | |
1603 | */ | |
1604 | /* | |
1605 | * #define RSA_DEBUG | |
1606 | */ | |
1607 | /* | |
1608 | * #define IDEA_DEBUG | |
1609 | */ | |
1610 | ||
1611 | # define FP_ICC (int (*)(const void *,const void *)) | |
0f113f3e MC |
1612 | |
1613 | /* | |
1614 | * This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff It is a bit | |
1615 | * of a mess of functions, but hell, think of it as an opaque structure :-) | |
1616 | */ | |
1617 | typedef struct ssl3_enc_method { | |
1618 | int (*enc) (SSL *, int); | |
1619 | int (*mac) (SSL *, unsigned char *, int); | |
1620 | int (*setup_key_block) (SSL *); | |
1621 | int (*generate_master_secret) (SSL *, unsigned char *, unsigned char *, | |
1622 | int); | |
1623 | int (*change_cipher_state) (SSL *, int); | |
1624 | int (*final_finish_mac) (SSL *, const char *, int, unsigned char *); | |
1625 | int finish_mac_length; | |
0f113f3e MC |
1626 | const char *client_finished_label; |
1627 | int client_finished_label_len; | |
1628 | const char *server_finished_label; | |
1629 | int server_finished_label_len; | |
1630 | int (*alert_value) (int); | |
1631 | int (*export_keying_material) (SSL *, unsigned char *, size_t, | |
1632 | const char *, size_t, | |
1633 | const unsigned char *, size_t, | |
1634 | int use_context); | |
1635 | /* Various flags indicating protocol version requirements */ | |
f7d53487 | 1636 | uint32_t enc_flags; |
0f113f3e MC |
1637 | /* Handshake header length */ |
1638 | unsigned int hhlen; | |
1639 | /* Set the handshake header */ | |
77d514c5 | 1640 | int (*set_handshake_header) (SSL *s, int type, unsigned long len); |
0f113f3e MC |
1641 | /* Write out handshake message */ |
1642 | int (*do_write) (SSL *s); | |
1643 | } SSL3_ENC_METHOD; | |
1644 | ||
1645 | # define SSL_HM_HEADER_LENGTH(s) s->method->ssl3_enc->hhlen | |
1646 | # define ssl_handshake_start(s) \ | |
1647 | (((unsigned char *)s->init_buf->data) + s->method->ssl3_enc->hhlen) | |
1648 | # define ssl_set_handshake_header(s, htype, len) \ | |
1649 | s->method->ssl3_enc->set_handshake_header(s, htype, len) | |
1650 | # define ssl_do_write(s) s->method->ssl3_enc->do_write(s) | |
173e72e6 DSH |
1651 | |
1652 | /* Values for enc_flags */ | |
1653 | ||
1654 | /* Uses explicit IV for CBC mode */ | |
0f113f3e | 1655 | # define SSL_ENC_FLAG_EXPLICIT_IV 0x1 |
173e72e6 | 1656 | /* Uses signature algorithms extension */ |
0f113f3e | 1657 | # define SSL_ENC_FLAG_SIGALGS 0x2 |
cbd64894 | 1658 | /* Uses SHA256 default PRF */ |
0f113f3e | 1659 | # define SSL_ENC_FLAG_SHA256_PRF 0x4 |
173e72e6 | 1660 | /* Is DTLS */ |
0f113f3e MC |
1661 | # define SSL_ENC_FLAG_DTLS 0x8 |
1662 | /* | |
1663 | * Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2: may | |
1664 | * apply to others in future. | |
4221c0dd | 1665 | */ |
0f113f3e | 1666 | # define SSL_ENC_FLAG_TLS1_2_CIPHERS 0x10 |
173e72e6 | 1667 | |
0f113f3e | 1668 | # ifndef OPENSSL_NO_COMP |
651d0aff | 1669 | /* Used for holding the relevant compression methods loaded into SSL_CTX */ |
0f113f3e MC |
1670 | typedef struct ssl3_comp_st { |
1671 | int comp_id; /* The identifier byte for this compression | |
1672 | * type */ | |
1673 | char *name; /* Text name used for the compression type */ | |
1674 | COMP_METHOD *method; /* The method :-) */ | |
1675 | } SSL3_COMP; | |
1676 | # endif | |
dfeab068 | 1677 | |
3ed449e9 | 1678 | extern SSL3_ENC_METHOD ssl3_undef_enc_method; |
8892ce77 | 1679 | OPENSSL_EXTERN const SSL_CIPHER ssl3_ciphers[]; |
7d7d2cbc | 1680 | |
d02b48c6 | 1681 | SSL_METHOD *ssl_bad_method(int ver); |
d02b48c6 | 1682 | |
161e0a61 BL |
1683 | extern const SSL3_ENC_METHOD TLSv1_enc_data; |
1684 | extern const SSL3_ENC_METHOD TLSv1_1_enc_data; | |
1685 | extern const SSL3_ENC_METHOD TLSv1_2_enc_data; | |
8892ce77 BL |
1686 | extern const SSL3_ENC_METHOD SSLv3_enc_data; |
1687 | extern const SSL3_ENC_METHOD DTLSv1_enc_data; | |
1688 | extern const SSL3_ENC_METHOD DTLSv1_2_enc_data; | |
f3b656b2 | 1689 | |
4fa52141 VD |
1690 | /* |
1691 | * Flags for SSL methods | |
1692 | */ | |
1693 | #define SSL_METHOD_NO_FIPS (1U<<0) | |
1694 | #define SSL_METHOD_NO_SUITEB (1U<<1) | |
1695 | ||
1696 | # define IMPLEMENT_tls_meth_func(version, flags, mask, func_name, s_accept, \ | |
1697 | s_connect, s_get_meth, enc_data) \ | |
4ebb342f | 1698 | const SSL_METHOD *func_name(void) \ |
0f113f3e MC |
1699 | { \ |
1700 | static const SSL_METHOD func_name##_data= { \ | |
1701 | version, \ | |
4fa52141 VD |
1702 | flags, \ |
1703 | mask, \ | |
0f113f3e MC |
1704 | tls1_new, \ |
1705 | tls1_clear, \ | |
1706 | tls1_free, \ | |
1707 | s_accept, \ | |
1708 | s_connect, \ | |
1709 | ssl3_read, \ | |
1710 | ssl3_peek, \ | |
1711 | ssl3_write, \ | |
1712 | ssl3_shutdown, \ | |
1713 | ssl3_renegotiate, \ | |
1714 | ssl3_renegotiate_check, \ | |
0f113f3e MC |
1715 | ssl3_read_bytes, \ |
1716 | ssl3_write_bytes, \ | |
1717 | ssl3_dispatch_alert, \ | |
1718 | ssl3_ctrl, \ | |
1719 | ssl3_ctx_ctrl, \ | |
1720 | ssl3_get_cipher_by_char, \ | |
1721 | ssl3_put_cipher_by_char, \ | |
1722 | ssl3_pending, \ | |
1723 | ssl3_num_ciphers, \ | |
1724 | ssl3_get_cipher, \ | |
1725 | s_get_meth, \ | |
1726 | tls1_default_timeout, \ | |
1727 | &enc_data, \ | |
1728 | ssl_undefined_void_function, \ | |
1729 | ssl3_callback_ctrl, \ | |
1730 | ssl3_ctx_callback_ctrl, \ | |
1731 | }; \ | |
1732 | return &func_name##_data; \ | |
1733 | } | |
1734 | ||
1735 | # define IMPLEMENT_ssl3_meth_func(func_name, s_accept, s_connect, s_get_meth) \ | |
4ebb342f | 1736 | const SSL_METHOD *func_name(void) \ |
0f113f3e MC |
1737 | { \ |
1738 | static const SSL_METHOD func_name##_data= { \ | |
1739 | SSL3_VERSION, \ | |
4fa52141 VD |
1740 | SSL_METHOD_NO_FIPS | SSL_METHOD_NO_SUITEB, \ |
1741 | SSL_OP_NO_SSLv3, \ | |
0f113f3e MC |
1742 | ssl3_new, \ |
1743 | ssl3_clear, \ | |
1744 | ssl3_free, \ | |
1745 | s_accept, \ | |
1746 | s_connect, \ | |
1747 | ssl3_read, \ | |
1748 | ssl3_peek, \ | |
1749 | ssl3_write, \ | |
1750 | ssl3_shutdown, \ | |
1751 | ssl3_renegotiate, \ | |
1752 | ssl3_renegotiate_check, \ | |
0f113f3e MC |
1753 | ssl3_read_bytes, \ |
1754 | ssl3_write_bytes, \ | |
1755 | ssl3_dispatch_alert, \ | |
1756 | ssl3_ctrl, \ | |
1757 | ssl3_ctx_ctrl, \ | |
1758 | ssl3_get_cipher_by_char, \ | |
1759 | ssl3_put_cipher_by_char, \ | |
1760 | ssl3_pending, \ | |
1761 | ssl3_num_ciphers, \ | |
1762 | ssl3_get_cipher, \ | |
1763 | s_get_meth, \ | |
1764 | ssl3_default_timeout, \ | |
1765 | &SSLv3_enc_data, \ | |
1766 | ssl_undefined_void_function, \ | |
1767 | ssl3_callback_ctrl, \ | |
1768 | ssl3_ctx_callback_ctrl, \ | |
1769 | }; \ | |
1770 | return &func_name##_data; \ | |
1771 | } | |
1772 | ||
4fa52141 VD |
1773 | # define IMPLEMENT_dtls1_meth_func(version, flags, mask, func_name, s_accept, \ |
1774 | s_connect, s_get_meth, enc_data) \ | |
4ebb342f | 1775 | const SSL_METHOD *func_name(void) \ |
0f113f3e MC |
1776 | { \ |
1777 | static const SSL_METHOD func_name##_data= { \ | |
1778 | version, \ | |
4fa52141 VD |
1779 | flags, \ |
1780 | mask, \ | |
0f113f3e MC |
1781 | dtls1_new, \ |
1782 | dtls1_clear, \ | |
1783 | dtls1_free, \ | |
1784 | s_accept, \ | |
1785 | s_connect, \ | |
1786 | ssl3_read, \ | |
1787 | ssl3_peek, \ | |
1788 | ssl3_write, \ | |
1789 | dtls1_shutdown, \ | |
1790 | ssl3_renegotiate, \ | |
1791 | ssl3_renegotiate_check, \ | |
0f113f3e MC |
1792 | dtls1_read_bytes, \ |
1793 | dtls1_write_app_data_bytes, \ | |
1794 | dtls1_dispatch_alert, \ | |
1795 | dtls1_ctrl, \ | |
1796 | ssl3_ctx_ctrl, \ | |
1797 | ssl3_get_cipher_by_char, \ | |
1798 | ssl3_put_cipher_by_char, \ | |
1799 | ssl3_pending, \ | |
1800 | ssl3_num_ciphers, \ | |
1801 | dtls1_get_cipher, \ | |
1802 | s_get_meth, \ | |
1803 | dtls1_default_timeout, \ | |
1804 | &enc_data, \ | |
1805 | ssl_undefined_void_function, \ | |
1806 | ssl3_callback_ctrl, \ | |
1807 | ssl3_ctx_callback_ctrl, \ | |
1808 | }; \ | |
1809 | return &func_name##_data; \ | |
1810 | } | |
1811 | ||
1812 | struct openssl_ssl_test_functions { | |
1813 | int (*p_ssl_init_wbio_buffer) (SSL *s, int push); | |
1814 | int (*p_ssl3_setup_buffers) (SSL *s); | |
2c60ed04 MC |
1815 | int (*p_tls1_process_heartbeat) (SSL *s, |
1816 | unsigned char *p, unsigned int length); | |
1817 | int (*p_dtls1_process_heartbeat) (SSL *s, | |
1818 | unsigned char *p, unsigned int length); | |
0f113f3e MC |
1819 | }; |
1820 | ||
1821 | # ifndef OPENSSL_UNIT_TEST | |
e0fc7961 | 1822 | |
d02b48c6 RE |
1823 | void ssl_clear_cipher_ctx(SSL *s); |
1824 | int ssl_clear_bad_session(SSL *s); | |
4bcdb4a6 MC |
1825 | __owur CERT *ssl_cert_new(void); |
1826 | __owur CERT *ssl_cert_dup(CERT *cert); | |
a5ee80b9 | 1827 | void ssl_cert_clear_certs(CERT *c); |
d02b48c6 | 1828 | void ssl_cert_free(CERT *c); |
4bcdb4a6 | 1829 | __owur int ssl_get_new_session(SSL *s, int session); |
b3e2272c EK |
1830 | __owur int ssl_get_prev_session(SSL *s, const PACKET *ext, |
1831 | const PACKET *session_id); | |
98ece4ee | 1832 | __owur SSL_SESSION *ssl_session_dup(SSL_SESSION *src, int ticket); |
4bcdb4a6 | 1833 | __owur int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b); |
0f113f3e | 1834 | DECLARE_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, ssl_cipher_id); |
4bcdb4a6 | 1835 | __owur int ssl_cipher_ptr_id_cmp(const SSL_CIPHER *const *ap, |
0f113f3e | 1836 | const SSL_CIPHER *const *bp); |
4bcdb4a6 | 1837 | __owur STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *meth, |
0f113f3e MC |
1838 | STACK_OF(SSL_CIPHER) **pref, |
1839 | STACK_OF(SSL_CIPHER) **sorted, | |
1840 | const char *rule_str, CERT *c); | |
d02b48c6 | 1841 | void ssl_update_cache(SSL *s, int mode); |
4bcdb4a6 | 1842 | __owur int ssl_cipher_get_evp(const SSL_SESSION *s, const EVP_CIPHER **enc, |
0f113f3e MC |
1843 | const EVP_MD **md, int *mac_pkey_type, |
1844 | int *mac_secret_size, SSL_COMP **comp, int use_etm); | |
4bcdb4a6 MC |
1845 | __owur int ssl_cipher_get_cert_index(const SSL_CIPHER *c); |
1846 | __owur const SSL_CIPHER *ssl_get_cipher_by_char(SSL *ssl, const unsigned char *ptr); | |
1847 | __owur int ssl_cert_set0_chain(SSL *s, SSL_CTX *ctx, STACK_OF(X509) *chain); | |
1848 | __owur int ssl_cert_set1_chain(SSL *s, SSL_CTX *ctx, STACK_OF(X509) *chain); | |
1849 | __owur int ssl_cert_add0_chain_cert(SSL *s, SSL_CTX *ctx, X509 *x); | |
1850 | __owur int ssl_cert_add1_chain_cert(SSL *s, SSL_CTX *ctx, X509 *x); | |
1851 | __owur int ssl_cert_select_current(CERT *c, X509 *x); | |
1852 | __owur int ssl_cert_set_current(CERT *c, long arg); | |
1853 | __owur X509 *ssl_cert_get0_next_certificate(CERT *c, int first); | |
0f113f3e MC |
1854 | void ssl_cert_set_cert_cb(CERT *c, int (*cb) (SSL *ssl, void *arg), |
1855 | void *arg); | |
f71c6e52 | 1856 | |
4bcdb4a6 MC |
1857 | __owur int ssl_verify_cert_chain(SSL *s, STACK_OF(X509) *sk); |
1858 | __owur int ssl_add_cert_chain(SSL *s, CERT_PKEY *cpk, unsigned long *l); | |
1859 | __owur int ssl_build_cert_chain(SSL *s, SSL_CTX *ctx, int flags); | |
1860 | __owur int ssl_cert_set_cert_store(CERT *c, X509_STORE *store, int chain, int ref); | |
b362ccab | 1861 | |
4bcdb4a6 MC |
1862 | __owur int ssl_security(SSL *s, int op, int bits, int nid, void *other); |
1863 | __owur int ssl_ctx_security(SSL_CTX *ctx, int op, int bits, int nid, void *other); | |
b362ccab | 1864 | |
d02b48c6 | 1865 | int ssl_undefined_function(SSL *s); |
4bcdb4a6 MC |
1866 | __owur int ssl_undefined_void_function(void); |
1867 | __owur int ssl_undefined_const_function(const SSL *s); | |
6383d316 | 1868 | __owur CERT_PKEY *ssl_get_server_send_pkey(SSL *s); |
4bcdb4a6 | 1869 | __owur int ssl_get_server_cert_serverinfo(SSL *s, const unsigned char **serverinfo, |
0f113f3e | 1870 | size_t *serverinfo_length); |
4bcdb4a6 MC |
1871 | __owur EVP_PKEY *ssl_get_sign_pkey(SSL *s, const SSL_CIPHER *c, const EVP_MD **pmd); |
1872 | __owur int ssl_cert_type(X509 *x, EVP_PKEY *pkey); | |
6383d316 | 1873 | void ssl_set_masks(SSL *s, const SSL_CIPHER *cipher); |
4bcdb4a6 MC |
1874 | __owur STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s); |
1875 | __owur int ssl_verify_alarm_type(long type); | |
7f3c9036 | 1876 | void ssl_load_ciphers(void); |
4bcdb4a6 | 1877 | __owur int ssl_fill_hello_random(SSL *s, int server, unsigned char *field, int len); |
57b272b0 DSH |
1878 | __owur int ssl_generate_master_secret(SSL *s, unsigned char *pms, size_t pmslen, |
1879 | int free_pms); | |
3f3504bd DSH |
1880 | __owur EVP_PKEY *ssl_generate_pkey(EVP_PKEY *pm, int nid); |
1881 | __owur int ssl_derive(SSL *s, EVP_PKEY *privkey, EVP_PKEY *pubkey); | |
6c4e6670 | 1882 | __owur EVP_PKEY *ssl_dh_to_pkey(DH *dh); |
d02b48c6 | 1883 | |
4bcdb4a6 MC |
1884 | __owur const SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p); |
1885 | __owur int ssl3_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p); | |
d02b48c6 | 1886 | void ssl3_init_finished_mac(SSL *s); |
4bcdb4a6 | 1887 | __owur int ssl3_setup_key_block(SSL *s); |
4bcdb4a6 | 1888 | __owur int ssl3_change_cipher_state(SSL *s, int which); |
d02b48c6 | 1889 | void ssl3_cleanup_key_block(SSL *s); |
4bcdb4a6 | 1890 | __owur int ssl3_do_write(SSL *s, int type); |
0f113f3e | 1891 | int ssl3_send_alert(SSL *s, int level, int desc); |
4bcdb4a6 | 1892 | __owur int ssl3_generate_master_secret(SSL *s, unsigned char *out, |
0f113f3e | 1893 | unsigned char *p, int len); |
4bcdb4a6 | 1894 | __owur int ssl3_get_req_cert_type(SSL *s, unsigned char *p); |
4bcdb4a6 MC |
1895 | __owur int ssl3_num_ciphers(void); |
1896 | __owur const SSL_CIPHER *ssl3_get_cipher(unsigned int u); | |
0f113f3e MC |
1897 | int ssl3_renegotiate(SSL *ssl); |
1898 | int ssl3_renegotiate_check(SSL *ssl); | |
4bcdb4a6 | 1899 | __owur int ssl3_dispatch_alert(SSL *s); |
4bcdb4a6 | 1900 | __owur int ssl3_final_finish_mac(SSL *s, const char *sender, int slen, |
0f113f3e | 1901 | unsigned char *p); |
e778802f | 1902 | void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len); |
81025661 | 1903 | void ssl3_free_digest_list(SSL *s); |
4bcdb4a6 | 1904 | __owur unsigned long ssl3_output_cert_chain(SSL *s, CERT_PKEY *cpk); |
4a640fb6 DSH |
1905 | __owur const SSL_CIPHER *ssl3_choose_cipher(SSL *ssl, |
1906 | STACK_OF(SSL_CIPHER) *clnt, | |
1907 | STACK_OF(SSL_CIPHER) *srvr); | |
124037fd | 1908 | __owur int ssl3_digest_cached_records(SSL *s, int keep); |
4bcdb4a6 | 1909 | __owur int ssl3_new(SSL *s); |
0f113f3e | 1910 | void ssl3_free(SSL *s); |
4bcdb4a6 MC |
1911 | __owur int ssl3_read(SSL *s, void *buf, int len); |
1912 | __owur int ssl3_peek(SSL *s, void *buf, int len); | |
1913 | __owur int ssl3_write(SSL *s, const void *buf, int len); | |
1914 | __owur int ssl3_shutdown(SSL *s); | |
0f113f3e | 1915 | void ssl3_clear(SSL *s); |
4bcdb4a6 MC |
1916 | __owur long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg); |
1917 | __owur long ssl3_ctx_ctrl(SSL_CTX *s, int cmd, long larg, void *parg); | |
1918 | __owur long ssl3_callback_ctrl(SSL *s, int cmd, void (*fp) (void)); | |
1919 | __owur long ssl3_ctx_callback_ctrl(SSL_CTX *s, int cmd, void (*fp) (void)); | |
d02b48c6 | 1920 | |
4bcdb4a6 MC |
1921 | __owur int ssl3_do_change_cipher_spec(SSL *ssl); |
1922 | __owur long ssl3_default_timeout(void); | |
f3b656b2 | 1923 | |
77d514c5 | 1924 | __owur int ssl3_set_handshake_header(SSL *s, int htype, unsigned long len); |
4bcdb4a6 MC |
1925 | __owur int ssl3_handshake_write(SSL *s); |
1926 | ||
4bcdb4a6 MC |
1927 | __owur int ssl_allow_compression(SSL *s); |
1928 | ||
4fa52141 VD |
1929 | __owur int ssl_set_client_hello_version(SSL *s); |
1930 | __owur int ssl_check_version_downgrade(SSL *s); | |
1931 | __owur int ssl_set_version_bound(int method_version, int version, int *bound); | |
1932 | __owur int ssl_choose_server_version(SSL *s); | |
1933 | __owur int ssl_choose_client_version(SSL *s, int version); | |
1934 | ||
4bcdb4a6 MC |
1935 | __owur long tls1_default_timeout(void); |
1936 | __owur int dtls1_do_write(SSL *s, int type); | |
4bcdb4a6 MC |
1937 | void dtls1_set_message_header(SSL *s, |
1938 | unsigned char *p, unsigned char mt, | |
1939 | unsigned long len, | |
1940 | unsigned long frag_off, | |
1941 | unsigned long frag_len); | |
1942 | ||
1943 | __owur int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf, int len); | |
4bcdb4a6 | 1944 | |
4bcdb4a6 MC |
1945 | __owur int dtls1_read_failed(SSL *s, int code); |
1946 | __owur int dtls1_buffer_message(SSL *s, int ccs); | |
1947 | __owur int dtls1_retransmit_message(SSL *s, unsigned short seq, | |
0f113f3e | 1948 | unsigned long frag_off, int *found); |
4bcdb4a6 | 1949 | __owur int dtls1_get_queue_priority(unsigned short seq, int is_ccs); |
17dd65e6 | 1950 | int dtls1_retransmit_buffered_messages(SSL *s); |
480506bd | 1951 | void dtls1_clear_record_buffer(SSL *s); |
0f113f3e MC |
1952 | void dtls1_get_message_header(unsigned char *data, |
1953 | struct hm_header_st *msg_hdr); | |
4bcdb4a6 MC |
1954 | __owur long dtls1_default_timeout(void); |
1955 | __owur struct timeval *dtls1_get_timeout(SSL *s, struct timeval *timeleft); | |
1956 | __owur int dtls1_check_timeout_num(SSL *s); | |
1957 | __owur int dtls1_handle_timeout(SSL *s); | |
1958 | __owur const SSL_CIPHER *dtls1_get_cipher(unsigned int u); | |
9289f21b DSH |
1959 | void dtls1_start_timer(SSL *s); |
1960 | void dtls1_stop_timer(SSL *s); | |
4bcdb4a6 | 1961 | __owur int dtls1_is_timer_expired(SSL *s); |
9289f21b | 1962 | void dtls1_double_timeout(SSL *s); |
8ba708e5 MC |
1963 | __owur unsigned int dtls_raw_hello_verify_request(unsigned char *buf, |
1964 | unsigned char *cookie, | |
1965 | unsigned char cookie_len); | |
4bcdb4a6 MC |
1966 | __owur int dtls1_send_newsession_ticket(SSL *s); |
1967 | __owur unsigned int dtls1_min_mtu(SSL *s); | |
8a35dbb6 | 1968 | void dtls1_hm_fragment_free(hm_fragment *frag); |
8ba708e5 | 1969 | __owur int dtls1_query_mtu(SSL *s); |
480506bd | 1970 | |
4bcdb4a6 | 1971 | __owur int tls1_new(SSL *s); |
58964a49 RE |
1972 | void tls1_free(SSL *s); |
1973 | void tls1_clear(SSL *s); | |
0f113f3e MC |
1974 | long tls1_ctrl(SSL *s, int cmd, long larg, void *parg); |
1975 | long tls1_callback_ctrl(SSL *s, int cmd, void (*fp) (void)); | |
58964a49 | 1976 | |
4bcdb4a6 | 1977 | __owur int dtls1_new(SSL *s); |
36d16f8e BL |
1978 | void dtls1_free(SSL *s); |
1979 | void dtls1_clear(SSL *s); | |
0f113f3e | 1980 | long dtls1_ctrl(SSL *s, int cmd, long larg, void *parg); |
4bcdb4a6 | 1981 | __owur int dtls1_shutdown(SSL *s); |
36d16f8e | 1982 | |
4bcdb4a6 | 1983 | __owur int dtls1_dispatch_alert(SSL *s); |
36d16f8e | 1984 | |
4bcdb4a6 | 1985 | __owur int ssl_init_wbio_buffer(SSL *s, int push); |
413c4f45 | 1986 | void ssl_free_wbio_buffer(SSL *s); |
58964a49 | 1987 | |
4bcdb4a6 MC |
1988 | __owur int tls1_change_cipher_state(SSL *s, int which); |
1989 | __owur int tls1_setup_key_block(SSL *s); | |
4bcdb4a6 | 1990 | __owur int tls1_final_finish_mac(SSL *s, |
0f113f3e | 1991 | const char *str, int slen, unsigned char *p); |
4bcdb4a6 | 1992 | __owur int tls1_generate_master_secret(SSL *s, unsigned char *out, |
0f113f3e | 1993 | unsigned char *p, int len); |
4bcdb4a6 | 1994 | __owur int tls1_export_keying_material(SSL *s, unsigned char *out, size_t olen, |
0f113f3e MC |
1995 | const char *label, size_t llen, |
1996 | const unsigned char *p, size_t plen, | |
1997 | int use_context); | |
4bcdb4a6 MC |
1998 | __owur int tls1_alert_code(int code); |
1999 | __owur int ssl3_alert_code(int code); | |
2000 | __owur int ssl_ok(SSL *s); | |
58964a49 | 2001 | |
10bf4fc2 | 2002 | # ifndef OPENSSL_NO_EC |
4bcdb4a6 | 2003 | __owur int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s); |
0f113f3e | 2004 | # endif |
41fdcfa7 | 2005 | |
f73e07cf | 2006 | SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n); |
413c4f45 | 2007 | |
0f113f3e | 2008 | # ifndef OPENSSL_NO_EC |
4bcdb4a6 MC |
2009 | __owur int tls1_ec_curve_id2nid(int curve_id); |
2010 | __owur int tls1_ec_nid2curve_id(int nid); | |
2011 | __owur int tls1_check_curve(SSL *s, const unsigned char *p, size_t len); | |
2012 | __owur int tls1_shared_curve(SSL *s, int nmatch); | |
2013 | __owur int tls1_set_curves(unsigned char **pext, size_t *pextlen, | |
0f113f3e | 2014 | int *curves, size_t ncurves); |
4bcdb4a6 | 2015 | __owur int tls1_set_curves_list(unsigned char **pext, size_t *pextlen, |
0f113f3e | 2016 | const char *str); |
4bcdb4a6 | 2017 | __owur int tls1_check_ec_tmp_key(SSL *s, unsigned long id); |
0f113f3e | 2018 | # endif /* OPENSSL_NO_EC */ |
33273721 | 2019 | |
4bcdb4a6 | 2020 | __owur int tls1_shared_list(SSL *s, |
0f113f3e MC |
2021 | const unsigned char *l1, size_t l1len, |
2022 | const unsigned char *l2, size_t l2len, int nmatch); | |
4bcdb4a6 | 2023 | __owur unsigned char *ssl_add_clienthello_tlsext(SSL *s, unsigned char *buf, |
0f113f3e | 2024 | unsigned char *limit, int *al); |
4bcdb4a6 | 2025 | __owur unsigned char *ssl_add_serverhello_tlsext(SSL *s, unsigned char *buf, |
0f113f3e | 2026 | unsigned char *limit, int *al); |
9ceb2426 | 2027 | __owur int ssl_parse_clienthello_tlsext(SSL *s, PACKET *pkt); |
a0f63828 | 2028 | void ssl_set_default_md(SSL *s); |
4bcdb4a6 MC |
2029 | __owur int tls1_set_server_sigalgs(SSL *s); |
2030 | __owur int ssl_check_clienthello_tlsext_late(SSL *s); | |
50932c4a | 2031 | __owur int ssl_parse_serverhello_tlsext(SSL *s, PACKET *pkt); |
4bcdb4a6 MC |
2032 | __owur int ssl_prepare_clienthello_tlsext(SSL *s); |
2033 | __owur int ssl_prepare_serverhello_tlsext(SSL *s); | |
49968440 | 2034 | |
e481f9b9 | 2035 | # ifndef OPENSSL_NO_HEARTBEATS |
4bcdb4a6 MC |
2036 | __owur int tls1_heartbeat(SSL *s); |
2037 | __owur int dtls1_heartbeat(SSL *s); | |
2c60ed04 MC |
2038 | __owur int tls1_process_heartbeat(SSL *s, unsigned char *p, unsigned int length); |
2039 | __owur int dtls1_process_heartbeat(SSL *s, unsigned char *p, unsigned int length); | |
e481f9b9 | 2040 | # endif |
4817504d | 2041 | |
e7f0d921 DSH |
2042 | __owur int tls_check_serverhello_tlsext_early(SSL *s, const PACKET *ext, |
2043 | const PACKET *session_id, | |
2044 | SSL_SESSION **ret); | |
a2f9200f | 2045 | |
4bcdb4a6 | 2046 | __owur int tls12_get_sigandhash(unsigned char *p, const EVP_PKEY *pk, |
0f113f3e | 2047 | const EVP_MD *md); |
4bcdb4a6 MC |
2048 | __owur int tls12_get_sigid(const EVP_PKEY *pk); |
2049 | __owur const EVP_MD *tls12_get_hash(unsigned char hash_alg); | |
90d9e49a | 2050 | void ssl_set_sig_mask(uint32_t *pmask_a, SSL *s, int op); |
a2f9200f | 2051 | |
4bcdb4a6 MC |
2052 | __owur int tls1_set_sigalgs_list(CERT *c, const char *str, int client); |
2053 | __owur int tls1_set_sigalgs(CERT *c, const int *salg, size_t salglen, int client); | |
17dd65e6 | 2054 | int tls1_check_chain(SSL *s, X509 *x, EVP_PKEY *pk, STACK_OF(X509) *chain, |
0f113f3e | 2055 | int idx); |
d61ff83b | 2056 | void tls1_set_cert_validity(SSL *s); |
0f229cce | 2057 | |
0f113f3e | 2058 | # ifndef OPENSSL_NO_DH |
4bcdb4a6 | 2059 | __owur DH *ssl_get_auto_dh(SSL *s); |
0f113f3e | 2060 | # endif |
b362ccab | 2061 | |
4bcdb4a6 MC |
2062 | __owur int ssl_security_cert(SSL *s, SSL_CTX *ctx, X509 *x, int vfy, int is_ee); |
2063 | __owur int ssl_security_cert_chain(SSL *s, STACK_OF(X509) *sk, X509 *ex, int vfy); | |
b362ccab | 2064 | |
4bcdb4a6 | 2065 | __owur EVP_MD_CTX *ssl_replace_hash(EVP_MD_CTX **hash, const EVP_MD *md); |
b948e2c5 | 2066 | void ssl_clear_hash_ctx(EVP_MD_CTX **hash); |
4bcdb4a6 | 2067 | __owur int ssl_add_serverhello_renegotiate_ext(SSL *s, unsigned char *p, int *len, |
0f113f3e | 2068 | int maxlen); |
50932c4a | 2069 | __owur int ssl_parse_serverhello_renegotiate_ext(SSL *s, PACKET *pkt, |
0f113f3e | 2070 | int *al); |
4bcdb4a6 | 2071 | __owur int ssl_add_clienthello_renegotiate_ext(SSL *s, unsigned char *p, int *len, |
0f113f3e | 2072 | int maxlen); |
9ceb2426 | 2073 | __owur int ssl_parse_clienthello_renegotiate_ext(SSL *s, PACKET *pkt, int *al); |
4bcdb4a6 MC |
2074 | __owur long ssl_get_algorithm2(SSL *s); |
2075 | __owur size_t tls12_copy_sigalgs(SSL *s, unsigned char *out, | |
0f113f3e | 2076 | const unsigned char *psig, size_t psiglen); |
4bcdb4a6 MC |
2077 | __owur int tls1_save_sigalgs(SSL *s, const unsigned char *data, int dsize); |
2078 | __owur int tls1_process_sigalgs(SSL *s); | |
2079 | __owur size_t tls12_get_psigalgs(SSL *s, const unsigned char **psigs); | |
2080 | __owur int tls12_check_peer_sigalg(const EVP_MD **pmd, SSL *s, | |
0f113f3e | 2081 | const unsigned char *sig, EVP_PKEY *pkey); |
b7bfe69b | 2082 | void ssl_set_client_disabled(SSL *s); |
4bcdb4a6 | 2083 | __owur int ssl_cipher_disabled(SSL *s, const SSL_CIPHER *c, int op); |
1c78c43b | 2084 | |
4bcdb4a6 | 2085 | __owur int ssl_add_clienthello_use_srtp_ext(SSL *s, unsigned char *p, int *len, |
0f113f3e | 2086 | int maxlen); |
9ceb2426 | 2087 | __owur int ssl_parse_clienthello_use_srtp_ext(SSL *s, PACKET *pkt, int *al); |
4bcdb4a6 | 2088 | __owur int ssl_add_serverhello_use_srtp_ext(SSL *s, unsigned char *p, int *len, |
0f113f3e | 2089 | int maxlen); |
50932c4a | 2090 | __owur int ssl_parse_serverhello_use_srtp_ext(SSL *s, PACKET *pkt, int *al); |
1c78c43b | 2091 | |
4bcdb4a6 | 2092 | __owur int ssl_handshake_hash(SSL *s, unsigned char *out, int outlen); |
152fbc28 | 2093 | __owur const EVP_MD *ssl_md(int idx); |
28ba2541 DSH |
2094 | __owur const EVP_MD *ssl_handshake_md(SSL *s); |
2095 | __owur const EVP_MD *ssl_prf_md(SSL *s); | |
48fbcbac | 2096 | |
2acc020b | 2097 | /* s3_cbc.c */ |
4bcdb4a6 | 2098 | __owur char ssl3_cbc_record_digest_supported(const EVP_MD_CTX *ctx); |
5f3d93e4 MC |
2099 | __owur int ssl3_cbc_digest_record(const EVP_MD_CTX *ctx, |
2100 | unsigned char *md_out, | |
2101 | size_t *md_out_size, | |
2102 | const unsigned char header[13], | |
2103 | const unsigned char *data, | |
2104 | size_t data_plus_mac_size, | |
2105 | size_t data_plus_mac_plus_padding_size, | |
2106 | const unsigned char *mac_secret, | |
2107 | unsigned mac_secret_length, char is_sslv3); | |
0f113f3e MC |
2108 | |
2109 | void tls_fips_digest_extra(const EVP_CIPHER_CTX *cipher_ctx, | |
2110 | EVP_MD_CTX *mac_ctx, const unsigned char *data, | |
2111 | size_t data_len, size_t orig_len); | |
0989790b | 2112 | |
57b272b0 DSH |
2113 | __owur int srp_generate_server_master_secret(SSL *s); |
2114 | __owur int srp_generate_client_master_secret(SSL *s); | |
4bcdb4a6 | 2115 | __owur int srp_verify_server_param(SSL *s, int *al); |
0989790b | 2116 | |
ecf4d660 DSH |
2117 | /* t1_ext.c */ |
2118 | ||
28ea0a0c DSH |
2119 | void custom_ext_init(custom_ext_methods *meths); |
2120 | ||
4bcdb4a6 | 2121 | __owur int custom_ext_parse(SSL *s, int server, |
0f113f3e MC |
2122 | unsigned int ext_type, |
2123 | const unsigned char *ext_data, size_t ext_size, int *al); | |
4bcdb4a6 | 2124 | __owur int custom_ext_add(SSL *s, int server, |
0f113f3e | 2125 | unsigned char **pret, unsigned char *limit, int *al); |
ecf4d660 | 2126 | |
4bcdb4a6 | 2127 | __owur int custom_exts_copy(custom_ext_methods *dst, const custom_ext_methods *src); |
ecf4d660 DSH |
2128 | void custom_exts_free(custom_ext_methods *exts); |
2129 | ||
0f113f3e | 2130 | # else |
e0fc7961 | 2131 | |
0f113f3e MC |
2132 | # define ssl_init_wbio_buffer SSL_test_functions()->p_ssl_init_wbio_buffer |
2133 | # define ssl3_setup_buffers SSL_test_functions()->p_ssl3_setup_buffers | |
2134 | # define tls1_process_heartbeat SSL_test_functions()->p_tls1_process_heartbeat | |
2135 | # define dtls1_process_heartbeat SSL_test_functions()->p_dtls1_process_heartbeat | |
c4e6fb15 | 2136 | |
0f113f3e | 2137 | # endif |
e0fc7961 | 2138 | #endif |