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58964a49 | 1 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
2 | * All rights reserved. |
3 | * | |
4 | * This package is an SSL implementation written | |
5 | * by Eric Young (eay@cryptsoft.com). | |
6 | * The implementation was written so as to conform with Netscapes SSL. | |
0f113f3e | 7 | * |
d02b48c6 RE |
8 | * This library is free for commercial and non-commercial use as long as |
9 | * the following conditions are aheared to. The following conditions | |
10 | * apply to all code found in this distribution, be it the RC4, RSA, | |
11 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation | |
12 | * included with this distribution is covered by the same copyright terms | |
13 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). | |
0f113f3e | 14 | * |
d02b48c6 RE |
15 | * Copyright remains Eric Young's, and as such any Copyright notices in |
16 | * the code are not to be removed. | |
17 | * If this package is used in a product, Eric Young should be given attribution | |
18 | * as the author of the parts of the library used. | |
19 | * This can be in the form of a textual message at program startup or | |
20 | * in documentation (online or textual) provided with the package. | |
0f113f3e | 21 | * |
d02b48c6 RE |
22 | * Redistribution and use in source and binary forms, with or without |
23 | * modification, are permitted provided that the following conditions | |
24 | * are met: | |
25 | * 1. Redistributions of source code must retain the copyright | |
26 | * notice, this list of conditions and the following disclaimer. | |
27 | * 2. Redistributions in binary form must reproduce the above copyright | |
28 | * notice, this list of conditions and the following disclaimer in the | |
29 | * documentation and/or other materials provided with the distribution. | |
30 | * 3. All advertising materials mentioning features or use of this software | |
31 | * must display the following acknowledgement: | |
32 | * "This product includes cryptographic software written by | |
33 | * Eric Young (eay@cryptsoft.com)" | |
34 | * The word 'cryptographic' can be left out if the rouines from the library | |
35 | * being used are not cryptographic related :-). | |
0f113f3e | 36 | * 4. If you include any Windows specific code (or a derivative thereof) from |
d02b48c6 RE |
37 | * the apps directory (application code) you must include an acknowledgement: |
38 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
0f113f3e | 39 | * |
d02b48c6 RE |
40 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
41 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
42 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
43 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
44 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
45 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
46 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
47 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
48 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
49 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
50 | * SUCH DAMAGE. | |
0f113f3e | 51 | * |
d02b48c6 RE |
52 | * The licence and distribution terms for any publically available version or |
53 | * derivative of this code cannot be changed. i.e. this code cannot simply be | |
54 | * copied and put under another distribution licence | |
55 | * [including the GNU Public Licence.] | |
56 | */ | |
5a4fbc69 | 57 | /* ==================================================================== |
52b8dad8 | 58 | * Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved. |
5a4fbc69 BM |
59 | * |
60 | * Redistribution and use in source and binary forms, with or without | |
61 | * modification, are permitted provided that the following conditions | |
62 | * are met: | |
63 | * | |
64 | * 1. Redistributions of source code must retain the above copyright | |
0f113f3e | 65 | * notice, this list of conditions and the following disclaimer. |
5a4fbc69 BM |
66 | * |
67 | * 2. Redistributions in binary form must reproduce the above copyright | |
68 | * notice, this list of conditions and the following disclaimer in | |
69 | * the documentation and/or other materials provided with the | |
70 | * distribution. | |
71 | * | |
72 | * 3. All advertising materials mentioning features or use of this | |
73 | * software must display the following acknowledgment: | |
74 | * "This product includes software developed by the OpenSSL Project | |
75 | * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" | |
76 | * | |
77 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
78 | * endorse or promote products derived from this software without | |
79 | * prior written permission. For written permission, please contact | |
80 | * openssl-core@openssl.org. | |
81 | * | |
82 | * 5. Products derived from this software may not be called "OpenSSL" | |
83 | * nor may "OpenSSL" appear in their names without prior written | |
84 | * permission of the OpenSSL Project. | |
85 | * | |
86 | * 6. Redistributions of any form whatsoever must retain the following | |
87 | * acknowledgment: | |
88 | * "This product includes software developed by the OpenSSL Project | |
89 | * for use in the OpenSSL Toolkit (http://www.openssl.org/)" | |
90 | * | |
91 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
92 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
93 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
94 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
95 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
96 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
97 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
98 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
99 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
100 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
101 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
102 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
103 | * ==================================================================== | |
104 | * | |
105 | * This product includes cryptographic software written by Eric Young | |
106 | * (eay@cryptsoft.com). This product includes software written by Tim | |
107 | * Hudson (tjh@cryptsoft.com). | |
108 | * | |
109 | */ | |
ea262260 BM |
110 | /* ==================================================================== |
111 | * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. | |
0f113f3e | 112 | * ECC cipher suite support in OpenSSL originally developed by |
ea262260 BM |
113 | * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project. |
114 | */ | |
ddac1974 NL |
115 | /* ==================================================================== |
116 | * Copyright 2005 Nokia. All rights reserved. | |
117 | * | |
118 | * The portions of the attached software ("Contribution") is developed by | |
119 | * Nokia Corporation and is licensed pursuant to the OpenSSL open source | |
120 | * license. | |
121 | * | |
122 | * The Contribution, originally written by Mika Kousa and Pasi Eronen of | |
123 | * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites | |
124 | * support (see RFC 4279) to OpenSSL. | |
125 | * | |
126 | * No patent licenses or other rights except those expressly stated in | |
127 | * the OpenSSL open source license shall be deemed granted or received | |
128 | * expressly, by implication, estoppel, or otherwise. | |
129 | * | |
130 | * No assurances are provided by Nokia that the Contribution does not | |
131 | * infringe the patent or other intellectual property rights of any third | |
132 | * party or that the license provides you with all the necessary rights | |
133 | * to make use of the Contribution. | |
134 | * | |
135 | * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN | |
136 | * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA | |
137 | * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY | |
138 | * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR | |
139 | * OTHERWISE. | |
140 | */ | |
d02b48c6 RE |
141 | |
142 | #ifndef HEADER_SSL_LOCL_H | |
0f113f3e MC |
143 | # define HEADER_SSL_LOCL_H |
144 | # include <stdlib.h> | |
145 | # include <time.h> | |
146 | # include <string.h> | |
147 | # include <errno.h> | |
d02b48c6 | 148 | |
0f113f3e | 149 | # include "e_os.h" |
d02b48c6 | 150 | |
0f113f3e | 151 | # include <openssl/buffer.h> |
3c27208f | 152 | # include <openssl/comp.h> |
0f113f3e MC |
153 | # include <openssl/bio.h> |
154 | # include <openssl/stack.h> | |
3c27208f RS |
155 | # include <openssl/rsa.h> |
156 | # include <openssl/dsa.h> | |
0f113f3e MC |
157 | # include <openssl/err.h> |
158 | # include <openssl/ssl.h> | |
07bbc92c | 159 | # include <openssl/async.h> |
0f113f3e | 160 | # include <openssl/symhacks.h> |
3c27208f | 161 | # include <openssl/ct.h> |
c99c4c11 | 162 | #include "record/record.h" |
8ba708e5 | 163 | #include "statem/statem.h" |
7e729bb5 | 164 | #include "packet_locl.h" |
919ba009 | 165 | #include "internal/dane.h" |
52e1d7b1 | 166 | |
0f113f3e MC |
167 | # ifdef OPENSSL_BUILD_SHLIBSSL |
168 | # undef OPENSSL_EXTERN | |
169 | # define OPENSSL_EXTERN OPENSSL_EXPORT | |
170 | # endif | |
26da3e65 | 171 | |
0f113f3e | 172 | # undef PKCS1_CHECK |
d02b48c6 | 173 | |
0f113f3e MC |
174 | # define c2l(c,l) (l = ((unsigned long)(*((c)++))) , \ |
175 | l|=(((unsigned long)(*((c)++)))<< 8), \ | |
176 | l|=(((unsigned long)(*((c)++)))<<16), \ | |
177 | l|=(((unsigned long)(*((c)++)))<<24)) | |
d02b48c6 RE |
178 | |
179 | /* NOTE - c is not incremented as per c2l */ | |
0f113f3e MC |
180 | # define c2ln(c,l1,l2,n) { \ |
181 | c+=n; \ | |
182 | l1=l2=0; \ | |
183 | switch (n) { \ | |
184 | case 8: l2 =((unsigned long)(*(--(c))))<<24; \ | |
185 | case 7: l2|=((unsigned long)(*(--(c))))<<16; \ | |
186 | case 6: l2|=((unsigned long)(*(--(c))))<< 8; \ | |
187 | case 5: l2|=((unsigned long)(*(--(c)))); \ | |
188 | case 4: l1 =((unsigned long)(*(--(c))))<<24; \ | |
189 | case 3: l1|=((unsigned long)(*(--(c))))<<16; \ | |
190 | case 2: l1|=((unsigned long)(*(--(c))))<< 8; \ | |
191 | case 1: l1|=((unsigned long)(*(--(c)))); \ | |
192 | } \ | |
193 | } | |
194 | ||
195 | # define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \ | |
196 | *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ | |
197 | *((c)++)=(unsigned char)(((l)>>16)&0xff), \ | |
198 | *((c)++)=(unsigned char)(((l)>>24)&0xff)) | |
199 | ||
200 | # define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24, \ | |
201 | l|=((unsigned long)(*((c)++)))<<16, \ | |
202 | l|=((unsigned long)(*((c)++)))<< 8, \ | |
203 | l|=((unsigned long)(*((c)++)))) | |
204 | ||
205 | # define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24)&0xff), \ | |
206 | *((c)++)=(unsigned char)(((l)>>16)&0xff), \ | |
207 | *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ | |
208 | *((c)++)=(unsigned char)(((l) )&0xff)) | |
209 | ||
210 | # define l2n6(l,c) (*((c)++)=(unsigned char)(((l)>>40)&0xff), \ | |
211 | *((c)++)=(unsigned char)(((l)>>32)&0xff), \ | |
212 | *((c)++)=(unsigned char)(((l)>>24)&0xff), \ | |
213 | *((c)++)=(unsigned char)(((l)>>16)&0xff), \ | |
214 | *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ | |
215 | *((c)++)=(unsigned char)(((l) )&0xff)) | |
216 | ||
217 | # define l2n8(l,c) (*((c)++)=(unsigned char)(((l)>>56)&0xff), \ | |
218 | *((c)++)=(unsigned char)(((l)>>48)&0xff), \ | |
219 | *((c)++)=(unsigned char)(((l)>>40)&0xff), \ | |
220 | *((c)++)=(unsigned char)(((l)>>32)&0xff), \ | |
221 | *((c)++)=(unsigned char)(((l)>>24)&0xff), \ | |
222 | *((c)++)=(unsigned char)(((l)>>16)&0xff), \ | |
223 | *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ | |
224 | *((c)++)=(unsigned char)(((l) )&0xff)) | |
225 | ||
d02b48c6 | 226 | /* NOTE - c is not incremented as per l2c */ |
0f113f3e MC |
227 | # define l2cn(l1,l2,c,n) { \ |
228 | c+=n; \ | |
229 | switch (n) { \ | |
230 | case 8: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \ | |
231 | case 7: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \ | |
232 | case 6: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \ | |
233 | case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \ | |
234 | case 4: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \ | |
235 | case 3: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \ | |
236 | case 2: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \ | |
237 | case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \ | |
238 | } \ | |
239 | } | |
240 | ||
241 | # define n2s(c,s) ((s=(((unsigned int)(c[0]))<< 8)| \ | |
242 | (((unsigned int)(c[1])) )),c+=2) | |
243 | # define s2n(s,c) ((c[0]=(unsigned char)(((s)>> 8)&0xff), \ | |
244 | c[1]=(unsigned char)(((s) )&0xff)),c+=2) | |
245 | ||
246 | # define n2l3(c,l) ((l =(((unsigned long)(c[0]))<<16)| \ | |
247 | (((unsigned long)(c[1]))<< 8)| \ | |
248 | (((unsigned long)(c[2])) )),c+=3) | |
249 | ||
250 | # define l2n3(l,c) ((c[0]=(unsigned char)(((l)>>16)&0xff), \ | |
251 | c[1]=(unsigned char)(((l)>> 8)&0xff), \ | |
252 | c[2]=(unsigned char)(((l) )&0xff)),c+=3) | |
d02b48c6 | 253 | |
7946ab33 KR |
254 | #define DTLS_VERSION_GT(v1, v2) ((v1) < (v2)) |
255 | #define DTLS_VERSION_GE(v1, v2) ((v1) <= (v2)) | |
256 | #define DTLS_VERSION_LT(v1, v2) ((v1) > (v2)) | |
257 | #define DTLS_VERSION_LE(v1, v2) ((v1) >= (v2)) | |
258 | ||
d02b48c6 RE |
259 | /* LOCAL STUFF */ |
260 | ||
0f113f3e MC |
261 | # define SSL_DECRYPT 0 |
262 | # define SSL_ENCRYPT 1 | |
d02b48c6 | 263 | |
0f113f3e MC |
264 | # define TWO_BYTE_BIT 0x80 |
265 | # define SEC_ESC_BIT 0x40 | |
266 | # define TWO_BYTE_MASK 0x7fff | |
267 | # define THREE_BYTE_MASK 0x3fff | |
d02b48c6 | 268 | |
0f113f3e MC |
269 | # define INC32(a) ((a)=((a)+1)&0xffffffffL) |
270 | # define DEC32(a) ((a)=((a)-1)&0xffffffffL) | |
271 | # define MAX_MAC_SIZE 20 /* up from 16 for SSLv3 */ | |
d02b48c6 | 272 | |
018e57c7 DSH |
273 | /* |
274 | * Define the Bitmasks for SSL_CIPHER.algorithms. | |
275 | * This bits are used packed as dense as possible. If new methods/ciphers | |
276 | * etc will be added, the bits a likely to change, so this information | |
277 | * is for internal library use only, even though SSL_CIPHER.algorithms | |
278 | * can be publicly accessed. | |
279 | * Use the according functions for cipher management instead. | |
280 | * | |
657e60fa | 281 | * The bit mask handling in the selection and sorting scheme in |
018e57c7 | 282 | * ssl_create_cipher_list() has only limited capabilities, reflecting |
657e60fa | 283 | * that the different entities within are mutually exclusive: |
018e57c7 DSH |
284 | * ONLY ONE BIT PER MASK CAN BE SET AT A TIME. |
285 | */ | |
52b8dad8 BM |
286 | |
287 | /* Bits for algorithm_mkey (key exchange algorithm) */ | |
68d39f3c | 288 | /* RSA key exchange */ |
36e79832 | 289 | # define SSL_kRSA 0x00000001U |
68d39f3c | 290 | /* tmp DH key no DH cert */ |
bc71f910 | 291 | # define SSL_kDHE 0x00000002U |
68d39f3c | 292 | /* synonym */ |
0f113f3e | 293 | # define SSL_kEDH SSL_kDHE |
68d39f3c | 294 | /* ephemeral ECDH */ |
ce0c1f2b | 295 | # define SSL_kECDHE 0x00000004U |
68d39f3c | 296 | /* synonym */ |
0f113f3e | 297 | # define SSL_kEECDH SSL_kECDHE |
68d39f3c | 298 | /* PSK */ |
ce0c1f2b | 299 | # define SSL_kPSK 0x00000008U |
68d39f3c | 300 | /* GOST key exchange */ |
ce0c1f2b | 301 | # define SSL_kGOST 0x00000010U |
68d39f3c | 302 | /* SRP */ |
ce0c1f2b | 303 | # define SSL_kSRP 0x00000020U |
52b8dad8 | 304 | |
ce0c1f2b DSH |
305 | # define SSL_kRSAPSK 0x00000040U |
306 | # define SSL_kECDHEPSK 0x00000080U | |
307 | # define SSL_kDHEPSK 0x00000100U | |
64651d39 DSH |
308 | |
309 | /* all PSK */ | |
310 | ||
311 | #define SSL_PSK (SSL_kPSK | SSL_kRSAPSK | SSL_kECDHEPSK | SSL_kDHEPSK) | |
312 | ||
52b8dad8 | 313 | /* Bits for algorithm_auth (server authentication) */ |
68d39f3c | 314 | /* RSA auth */ |
36e79832 | 315 | # define SSL_aRSA 0x00000001U |
68d39f3c | 316 | /* DSS auth */ |
36e79832 | 317 | # define SSL_aDSS 0x00000002U |
68d39f3c | 318 | /* no auth (i.e. use ADH or AECDH) */ |
36e79832 | 319 | # define SSL_aNULL 0x00000004U |
68d39f3c | 320 | /* ECDSA auth*/ |
ce0c1f2b | 321 | # define SSL_aECDSA 0x00000008U |
68d39f3c | 322 | /* PSK auth */ |
ce0c1f2b | 323 | # define SSL_aPSK 0x00000010U |
68d39f3c | 324 | /* GOST R 34.10-2001 signature auth */ |
ce0c1f2b | 325 | # define SSL_aGOST01 0x00000020U |
68d39f3c | 326 | /* SRP auth */ |
ce0c1f2b | 327 | # define SSL_aSRP 0x00000040U |
e44380a9 | 328 | /* GOST R 34.10-2012 signature auth */ |
ce0c1f2b | 329 | # define SSL_aGOST12 0x00000080U |
52b8dad8 BM |
330 | |
331 | /* Bits for algorithm_enc (symmetric encryption) */ | |
36e79832 DSH |
332 | # define SSL_DES 0x00000001U |
333 | # define SSL_3DES 0x00000002U | |
334 | # define SSL_RC4 0x00000004U | |
335 | # define SSL_RC2 0x00000008U | |
336 | # define SSL_IDEA 0x00000010U | |
337 | # define SSL_eNULL 0x00000020U | |
338 | # define SSL_AES128 0x00000040U | |
339 | # define SSL_AES256 0x00000080U | |
340 | # define SSL_CAMELLIA128 0x00000100U | |
341 | # define SSL_CAMELLIA256 0x00000200U | |
342 | # define SSL_eGOST2814789CNT 0x00000400U | |
343 | # define SSL_SEED 0x00000800U | |
344 | # define SSL_AES128GCM 0x00001000U | |
345 | # define SSL_AES256GCM 0x00002000U | |
346 | # define SSL_AES128CCM 0x00004000U | |
347 | # define SSL_AES256CCM 0x00008000U | |
348 | # define SSL_AES128CCM8 0x00010000U | |
349 | # define SSL_AES256CCM8 0x00020000U | |
e44380a9 | 350 | # define SSL_eGOST2814789CNT12 0x00040000U |
a76ba82c | 351 | # define SSL_CHACHA20POLY1305 0x00080000U |
0f113f3e | 352 | |
a556f342 EK |
353 | # define SSL_AESGCM (SSL_AES128GCM | SSL_AES256GCM) |
354 | # define SSL_AESCCM (SSL_AES128CCM | SSL_AES256CCM | SSL_AES128CCM8 | SSL_AES256CCM8) | |
355 | # define SSL_AES (SSL_AES128|SSL_AES256|SSL_AESGCM|SSL_AESCCM) | |
0f113f3e | 356 | # define SSL_CAMELLIA (SSL_CAMELLIA128|SSL_CAMELLIA256) |
1c37fd96 | 357 | # define SSL_CHACHA20 (SSL_CHACHA20POLY1305) |
52b8dad8 BM |
358 | |
359 | /* Bits for algorithm_mac (symmetric authentication) */ | |
28dd49fa | 360 | |
36e79832 DSH |
361 | # define SSL_MD5 0x00000001U |
362 | # define SSL_SHA1 0x00000002U | |
363 | # define SSL_GOST94 0x00000004U | |
364 | # define SSL_GOST89MAC 0x00000008U | |
365 | # define SSL_SHA256 0x00000010U | |
366 | # define SSL_SHA384 0x00000020U | |
28dd49fa | 367 | /* Not a real MAC, just an indication it is part of cipher */ |
36e79832 | 368 | # define SSL_AEAD 0x00000040U |
e44380a9 DB |
369 | # define SSL_GOST12_256 0x00000080U |
370 | # define SSL_GOST89MAC12 0x00000100U | |
371 | # define SSL_GOST12_512 0x00000200U | |
52b8dad8 | 372 | |
0f113f3e | 373 | /* |
e44380a9 | 374 | * When adding new digest in the ssl_ciph.c and increment SSL_MD_NUM_IDX make |
0f113f3e MC |
375 | * sure to update this constant too |
376 | */ | |
28ba2541 DSH |
377 | |
378 | # define SSL_MD_MD5_IDX 0 | |
379 | # define SSL_MD_SHA1_IDX 1 | |
380 | # define SSL_MD_GOST94_IDX 2 | |
381 | # define SSL_MD_GOST89MAC_IDX 3 | |
382 | # define SSL_MD_SHA256_IDX 4 | |
383 | # define SSL_MD_SHA384_IDX 5 | |
384 | # define SSL_MD_GOST12_256_IDX 6 | |
385 | # define SSL_MD_GOST89MAC12_IDX 7 | |
386 | # define SSL_MD_GOST12_512_IDX 8 | |
387 | # define SSL_MD_MD5_SHA1_IDX 9 | |
7afd2312 DSH |
388 | # define SSL_MD_SHA224_IDX 10 |
389 | # define SSL_MD_SHA512_IDX 11 | |
390 | # define SSL_MAX_DIGEST 12 | |
28ba2541 DSH |
391 | |
392 | /* Bits for algorithm2 (handshake digests and other extra flags) */ | |
393 | ||
394 | /* Bits 0-7 are handshake MAC */ | |
395 | # define SSL_HANDSHAKE_MAC_MASK 0xFF | |
396 | # define SSL_HANDSHAKE_MAC_MD5_SHA1 SSL_MD_MD5_SHA1_IDX | |
397 | # define SSL_HANDSHAKE_MAC_SHA256 SSL_MD_SHA256_IDX | |
398 | # define SSL_HANDSHAKE_MAC_SHA384 SSL_MD_SHA384_IDX | |
399 | # define SSL_HANDSHAKE_MAC_GOST94 SSL_MD_GOST94_IDX | |
400 | # define SSL_HANDSHAKE_MAC_GOST12_256 SSL_MD_GOST12_256_IDX | |
401 | # define SSL_HANDSHAKE_MAC_GOST12_512 SSL_MD_GOST12_512_IDX | |
402 | # define SSL_HANDSHAKE_MAC_DEFAULT SSL_HANDSHAKE_MAC_MD5_SHA1 | |
403 | ||
404 | /* Bits 8-15 bits are PRF */ | |
405 | # define TLS1_PRF_DGST_SHIFT 8 | |
406 | # define TLS1_PRF_SHA1_MD5 (SSL_MD_MD5_SHA1_IDX << TLS1_PRF_DGST_SHIFT) | |
407 | # define TLS1_PRF_SHA256 (SSL_MD_SHA256_IDX << TLS1_PRF_DGST_SHIFT) | |
408 | # define TLS1_PRF_SHA384 (SSL_MD_SHA384_IDX << TLS1_PRF_DGST_SHIFT) | |
409 | # define TLS1_PRF_GOST94 (SSL_MD_GOST94_IDX << TLS1_PRF_DGST_SHIFT) | |
410 | # define TLS1_PRF_GOST12_256 (SSL_MD_GOST12_256_IDX << TLS1_PRF_DGST_SHIFT) | |
411 | # define TLS1_PRF_GOST12_512 (SSL_MD_GOST12_512_IDX << TLS1_PRF_DGST_SHIFT) | |
412 | # define TLS1_PRF (SSL_MD_MD5_SHA1_IDX << TLS1_PRF_DGST_SHIFT) | |
761772d7 | 413 | |
0f113f3e MC |
414 | /* |
415 | * Stream MAC for GOST ciphersuites from cryptopro draft (currently this also | |
416 | * goes into algorithm2) | |
417 | */ | |
28ba2541 | 418 | # define TLS1_STREAM_MAC 0x10000 |
761772d7 | 419 | |
88a9614b | 420 | # define SSL_STRONG_MASK 0x0000001FU |
361a1191 | 421 | # define SSL_DEFAULT_MASK 0X00000020U |
c84f7f4a | 422 | |
361a1191 KR |
423 | # define SSL_STRONG_NONE 0x00000001U |
424 | # define SSL_LOW 0x00000002U | |
425 | # define SSL_MEDIUM 0x00000004U | |
426 | # define SSL_HIGH 0x00000008U | |
427 | # define SSL_FIPS 0x00000010U | |
428 | # define SSL_NOT_DEFAULT 0x00000020U | |
018e57c7 | 429 | |
361a1191 | 430 | /* we have used 0000003f - 26 bits left to go */ |
d02b48c6 | 431 | |
890f2f8b | 432 | /* Check if an SSL structure is using DTLS */ |
0f113f3e | 433 | # define SSL_IS_DTLS(s) (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS) |
cbd64894 | 434 | /* See if we need explicit IV */ |
0f113f3e MC |
435 | # define SSL_USE_EXPLICIT_IV(s) \ |
436 | (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_EXPLICIT_IV) | |
437 | /* | |
438 | * See if we use signature algorithms extension and signature algorithm | |
439 | * before signatures. | |
cbd64894 | 440 | */ |
0f113f3e MC |
441 | # define SSL_USE_SIGALGS(s) \ |
442 | (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_SIGALGS) | |
443 | /* | |
444 | * Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2: may | |
445 | * apply to others in future. | |
4221c0dd | 446 | */ |
0f113f3e MC |
447 | # define SSL_USE_TLS1_2_CIPHERS(s) \ |
448 | (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_TLS1_2_CIPHERS) | |
449 | /* | |
450 | * Determine if a client can use TLS 1.2 ciphersuites: can't rely on method | |
1e2d4cb0 DSH |
451 | * flags because it may not be set to correct version yet. |
452 | */ | |
0f113f3e | 453 | # define SSL_CLIENT_USE_TLS1_2_CIPHERS(s) \ |
4fa52141 VD |
454 | ((!SSL_IS_DTLS(s) && s->client_version >= TLS1_2_VERSION) || \ |
455 | (SSL_IS_DTLS(s) && DTLS_VERSION_GE(s->client_version, DTLS1_2_VERSION))) | |
0f113f3e MC |
456 | |
457 | # ifdef TLSEXT_TYPE_encrypt_then_mac | |
458 | # define SSL_USE_ETM(s) (s->s3->flags & TLS1_FLAGS_ENCRYPT_THEN_MAC) | |
459 | # else | |
460 | # define SSL_USE_ETM(s) (0) | |
461 | # endif | |
5e3ff62c | 462 | |
d02b48c6 | 463 | /* Mostly for SSLv3 */ |
0f113f3e MC |
464 | # define SSL_PKEY_RSA_ENC 0 |
465 | # define SSL_PKEY_RSA_SIGN 1 | |
466 | # define SSL_PKEY_DSA_SIGN 2 | |
bc71f910 DSH |
467 | # define SSL_PKEY_ECC 3 |
468 | # define SSL_PKEY_GOST01 4 | |
469 | # define SSL_PKEY_GOST12_256 5 | |
470 | # define SSL_PKEY_GOST12_512 6 | |
471 | # define SSL_PKEY_NUM 7 | |
e44380a9 DB |
472 | /* |
473 | * Pseudo-constant. GOST cipher suites can use different certs for 1 | |
474 | * SSL_CIPHER. So let's see which one we have in fact. | |
475 | */ | |
476 | # define SSL_PKEY_GOST_EC SSL_PKEY_NUM+1 | |
d02b48c6 | 477 | |
1d97c843 | 478 | /*- |
361a1191 | 479 | * SSL_kRSA <- RSA_ENC |
d02b48c6 | 480 | * SSL_kDH <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN) |
5a21cadb | 481 | * SSL_kDHE <- RSA_ENC | RSA_SIGN | DSA_SIGN |
d02b48c6 RE |
482 | * SSL_aRSA <- RSA_ENC | RSA_SIGN |
483 | * SSL_aDSS <- DSA_SIGN | |
484 | */ | |
485 | ||
23a22b4c | 486 | /*- |
0f113f3e MC |
487 | #define CERT_INVALID 0 |
488 | #define CERT_PUBLIC_KEY 1 | |
489 | #define CERT_PRIVATE_KEY 2 | |
d02b48c6 RE |
490 | */ |
491 | ||
e9fa092e EK |
492 | |
493 | /* CipherSuite length. SSLv3 and all TLS versions. */ | |
494 | #define TLS_CIPHER_LEN 2 | |
b6ba4014 MC |
495 | /* used to hold info on the particular ciphers used */ |
496 | struct ssl_cipher_st { | |
90d9e49a DSH |
497 | uint32_t valid; |
498 | const char *name; /* text name */ | |
499 | uint32_t id; /* id, 4 bytes, first is version */ | |
b6ba4014 | 500 | /* |
90d9e49a | 501 | * changed in 1.0.0: these four used to be portions of a single value |
b6ba4014 MC |
502 | * 'algorithms' |
503 | */ | |
90d9e49a DSH |
504 | uint32_t algorithm_mkey; /* key exchange algorithm */ |
505 | uint32_t algorithm_auth; /* server authentication */ | |
506 | uint32_t algorithm_enc; /* symmetric encryption */ | |
507 | uint32_t algorithm_mac; /* symmetric authentication */ | |
3eb2aff4 KR |
508 | int min_tls; /* minimum SSL/TLS protocol version */ |
509 | int max_tls; /* maximum SSL/TLS protocol version */ | |
510 | int min_dtls; /* minimum DTLS protocol version */ | |
511 | int max_dtls; /* maximum DTLS protocol version */ | |
90d9e49a DSH |
512 | uint32_t algo_strength; /* strength and export flags */ |
513 | uint32_t algorithm2; /* Extra flags */ | |
514 | int32_t strength_bits; /* Number of bits really used */ | |
515 | uint32_t alg_bits; /* Number of bits for algorithm */ | |
b6ba4014 MC |
516 | }; |
517 | ||
87d9cafa | 518 | /* Used to hold SSL/TLS functions */ |
b6ba4014 MC |
519 | struct ssl_method_st { |
520 | int version; | |
4fa52141 VD |
521 | unsigned flags; |
522 | unsigned long mask; | |
b6ba4014 MC |
523 | int (*ssl_new) (SSL *s); |
524 | void (*ssl_clear) (SSL *s); | |
525 | void (*ssl_free) (SSL *s); | |
526 | int (*ssl_accept) (SSL *s); | |
527 | int (*ssl_connect) (SSL *s); | |
528 | int (*ssl_read) (SSL *s, void *buf, int len); | |
529 | int (*ssl_peek) (SSL *s, void *buf, int len); | |
530 | int (*ssl_write) (SSL *s, const void *buf, int len); | |
531 | int (*ssl_shutdown) (SSL *s); | |
532 | int (*ssl_renegotiate) (SSL *s); | |
533 | int (*ssl_renegotiate_check) (SSL *s); | |
657da85e MC |
534 | int (*ssl_read_bytes) (SSL *s, int type, int *recvd_type, |
535 | unsigned char *buf, int len, int peek); | |
b6ba4014 MC |
536 | int (*ssl_write_bytes) (SSL *s, int type, const void *buf_, int len); |
537 | int (*ssl_dispatch_alert) (SSL *s); | |
538 | long (*ssl_ctrl) (SSL *s, int cmd, long larg, void *parg); | |
539 | long (*ssl_ctx_ctrl) (SSL_CTX *ctx, int cmd, long larg, void *parg); | |
540 | const SSL_CIPHER *(*get_cipher_by_char) (const unsigned char *ptr); | |
541 | int (*put_cipher_by_char) (const SSL_CIPHER *cipher, unsigned char *ptr); | |
542 | int (*ssl_pending) (const SSL *s); | |
543 | int (*num_ciphers) (void); | |
544 | const SSL_CIPHER *(*get_cipher) (unsigned ncipher); | |
b6ba4014 MC |
545 | long (*get_timeout) (void); |
546 | const struct ssl3_enc_method *ssl3_enc; /* Extra SSLv3/TLS stuff */ | |
547 | int (*ssl_version) (void); | |
548 | long (*ssl_callback_ctrl) (SSL *s, int cb_id, void (*fp) (void)); | |
549 | long (*ssl_ctx_callback_ctrl) (SSL_CTX *s, int cb_id, void (*fp) (void)); | |
550 | }; | |
551 | ||
552 | /*- | |
553 | * Lets make this into an ASN.1 type structure as follows | |
554 | * SSL_SESSION_ID ::= SEQUENCE { | |
555 | * version INTEGER, -- structure version number | |
556 | * SSLversion INTEGER, -- SSL version number | |
557 | * Cipher OCTET STRING, -- the 3 byte cipher ID | |
558 | * Session_ID OCTET STRING, -- the Session ID | |
559 | * Master_key OCTET STRING, -- the master key | |
b6ba4014 MC |
560 | * Key_Arg [ 0 ] IMPLICIT OCTET STRING, -- the optional Key argument |
561 | * Time [ 1 ] EXPLICIT INTEGER, -- optional Start Time | |
562 | * Timeout [ 2 ] EXPLICIT INTEGER, -- optional Timeout ins seconds | |
563 | * Peer [ 3 ] EXPLICIT X509, -- optional Peer Certificate | |
564 | * Session_ID_context [ 4 ] EXPLICIT OCTET STRING, -- the Session ID context | |
565 | * Verify_result [ 5 ] EXPLICIT INTEGER, -- X509_V_... code for `Peer' | |
566 | * HostName [ 6 ] EXPLICIT OCTET STRING, -- optional HostName from servername TLS extension | |
567 | * PSK_identity_hint [ 7 ] EXPLICIT OCTET STRING, -- optional PSK identity hint | |
568 | * PSK_identity [ 8 ] EXPLICIT OCTET STRING, -- optional PSK identity | |
569 | * Ticket_lifetime_hint [9] EXPLICIT INTEGER, -- server's lifetime hint for session ticket | |
570 | * Ticket [10] EXPLICIT OCTET STRING, -- session ticket (clients only) | |
571 | * Compression_meth [11] EXPLICIT OCTET STRING, -- optional compression method | |
572 | * SRP_username [ 12 ] EXPLICIT OCTET STRING -- optional SRP username | |
6f152a15 | 573 | * flags [ 13 ] EXPLICIT INTEGER -- optional flags |
b6ba4014 MC |
574 | * } |
575 | * Look in ssl/ssl_asn1.c for more details | |
576 | * I'm using EXPLICIT tags so I can read the damn things using asn1parse :-). | |
577 | */ | |
578 | struct ssl_session_st { | |
579 | int ssl_version; /* what ssl version session info is being | |
580 | * kept in here? */ | |
581 | int master_key_length; | |
582 | unsigned char master_key[SSL_MAX_MASTER_KEY_LENGTH]; | |
583 | /* session_id - valid? */ | |
584 | unsigned int session_id_length; | |
585 | unsigned char session_id[SSL_MAX_SSL_SESSION_ID_LENGTH]; | |
586 | /* | |
587 | * this is used to determine whether the session is being reused in the | |
588 | * appropriate context. It is up to the application to set this, via | |
589 | * SSL_new | |
590 | */ | |
591 | unsigned int sid_ctx_length; | |
592 | unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH]; | |
b6ba4014 MC |
593 | # ifndef OPENSSL_NO_PSK |
594 | char *psk_identity_hint; | |
595 | char *psk_identity; | |
596 | # endif | |
597 | /* | |
598 | * Used to indicate that session resumption is not allowed. Applications | |
599 | * can also set this bit for a new session via not_resumable_session_cb | |
600 | * to disable session caching and tickets. | |
601 | */ | |
602 | int not_resumable; | |
a273c6ee | 603 | /* This is the cert and type for the other end. */ |
b6ba4014 | 604 | X509 *peer; |
a273c6ee | 605 | int peer_type; |
696178ed | 606 | /* Certificate chain peer sent */ |
c34b0f99 | 607 | STACK_OF(X509) *peer_chain; |
b6ba4014 MC |
608 | /* |
609 | * when app_verify_callback accepts a session where the peer's | |
610 | * certificate is not ok, we must remember the error for session reuse: | |
611 | */ | |
612 | long verify_result; /* only for servers */ | |
613 | int references; | |
614 | long timeout; | |
615 | long time; | |
616 | unsigned int compress_meth; /* Need to lookup the method */ | |
617 | const SSL_CIPHER *cipher; | |
618 | unsigned long cipher_id; /* when ASN.1 loaded, this needs to be used | |
619 | * to load the 'cipher' structure */ | |
620 | STACK_OF(SSL_CIPHER) *ciphers; /* shared ciphers? */ | |
621 | CRYPTO_EX_DATA ex_data; /* application specific data */ | |
622 | /* | |
623 | * These are used to make removal of session-ids more efficient and to | |
624 | * implement a maximum cache size. | |
625 | */ | |
626 | struct ssl_session_st *prev, *next; | |
b6ba4014 | 627 | char *tlsext_hostname; |
e481f9b9 | 628 | # ifndef OPENSSL_NO_EC |
b6ba4014 MC |
629 | size_t tlsext_ecpointformatlist_length; |
630 | unsigned char *tlsext_ecpointformatlist; /* peer's list */ | |
631 | size_t tlsext_ellipticcurvelist_length; | |
632 | unsigned char *tlsext_ellipticcurvelist; /* peer's list */ | |
e481f9b9 | 633 | # endif /* OPENSSL_NO_EC */ |
b6ba4014 MC |
634 | /* RFC4507 info */ |
635 | unsigned char *tlsext_tick; /* Session ticket */ | |
636 | size_t tlsext_ticklen; /* Session ticket length */ | |
75ea3632 | 637 | unsigned long tlsext_tick_lifetime_hint; /* Session lifetime hint in seconds */ |
b6ba4014 MC |
638 | # ifndef OPENSSL_NO_SRP |
639 | char *srp_username; | |
640 | # endif | |
f7d53487 | 641 | uint32_t flags; |
16203f7b | 642 | CRYPTO_RWLOCK *lock; |
b6ba4014 MC |
643 | }; |
644 | ||
6f152a15 DSH |
645 | /* Extended master secret support */ |
646 | # define SSL_SESS_FLAG_EXTMS 0x1 | |
647 | ||
b6ba4014 MC |
648 | |
649 | # ifndef OPENSSL_NO_SRP | |
650 | ||
651 | typedef struct srp_ctx_st { | |
652 | /* param for all the callbacks */ | |
653 | void *SRP_cb_arg; | |
654 | /* set client Hello login callback */ | |
655 | int (*TLS_ext_srp_username_callback) (SSL *, int *, void *); | |
656 | /* set SRP N/g param callback for verification */ | |
657 | int (*SRP_verify_param_callback) (SSL *, void *); | |
658 | /* set SRP client passwd callback */ | |
659 | char *(*SRP_give_srp_client_pwd_callback) (SSL *, void *); | |
660 | char *login; | |
661 | BIGNUM *N, *g, *s, *B, *A; | |
662 | BIGNUM *a, *b, *v; | |
663 | char *info; | |
664 | int strength; | |
665 | unsigned long srp_Mask; | |
666 | } SRP_CTX; | |
667 | ||
668 | # endif | |
669 | ||
b6ba4014 MC |
670 | struct ssl_comp_st { |
671 | int id; | |
672 | const char *name; | |
b6ba4014 | 673 | COMP_METHOD *method; |
b6ba4014 MC |
674 | }; |
675 | ||
89d6aa10 | 676 | DEFINE_LHASH_OF(SSL_SESSION); |
ce023e77 VD |
677 | /* Needed in ssl_cert.c */ |
678 | DEFINE_LHASH_OF(X509_NAME); | |
f8e0a557 | 679 | |
b6ba4014 MC |
680 | struct ssl_ctx_st { |
681 | const SSL_METHOD *method; | |
682 | STACK_OF(SSL_CIPHER) *cipher_list; | |
683 | /* same as above but sorted for lookup */ | |
684 | STACK_OF(SSL_CIPHER) *cipher_list_by_id; | |
685 | struct x509_store_st /* X509_STORE */ *cert_store; | |
686 | LHASH_OF(SSL_SESSION) *sessions; | |
687 | /* | |
688 | * Most session-ids that will be cached, default is | |
689 | * SSL_SESSION_CACHE_MAX_SIZE_DEFAULT. 0 is unlimited. | |
690 | */ | |
691 | unsigned long session_cache_size; | |
692 | struct ssl_session_st *session_cache_head; | |
693 | struct ssl_session_st *session_cache_tail; | |
694 | /* | |
695 | * This can have one of 2 values, ored together, SSL_SESS_CACHE_CLIENT, | |
696 | * SSL_SESS_CACHE_SERVER, Default is SSL_SESSION_CACHE_SERVER, which | |
697 | * means only SSL_accept which cache SSL_SESSIONS. | |
698 | */ | |
f7d53487 | 699 | uint32_t session_cache_mode; |
b6ba4014 MC |
700 | /* |
701 | * If timeout is not 0, it is the default timeout value set when | |
702 | * SSL_new() is called. This has been put in to make life easier to set | |
703 | * things up | |
704 | */ | |
705 | long session_timeout; | |
706 | /* | |
707 | * If this callback is not null, it will be called each time a session id | |
708 | * is added to the cache. If this function returns 1, it means that the | |
709 | * callback will do a SSL_SESSION_free() when it has finished using it. | |
710 | * Otherwise, on 0, it means the callback has finished with it. If | |
711 | * remove_session_cb is not null, it will be called when a session-id is | |
712 | * removed from the cache. After the call, OpenSSL will | |
713 | * SSL_SESSION_free() it. | |
714 | */ | |
715 | int (*new_session_cb) (struct ssl_st *ssl, SSL_SESSION *sess); | |
716 | void (*remove_session_cb) (struct ssl_ctx_st *ctx, SSL_SESSION *sess); | |
717 | SSL_SESSION *(*get_session_cb) (struct ssl_st *ssl, | |
b6981744 EK |
718 | const unsigned char *data, int len, |
719 | int *copy); | |
b6ba4014 MC |
720 | struct { |
721 | int sess_connect; /* SSL new conn - started */ | |
722 | int sess_connect_renegotiate; /* SSL reneg - requested */ | |
723 | int sess_connect_good; /* SSL new conne/reneg - finished */ | |
724 | int sess_accept; /* SSL new accept - started */ | |
725 | int sess_accept_renegotiate; /* SSL reneg - requested */ | |
726 | int sess_accept_good; /* SSL accept/reneg - finished */ | |
727 | int sess_miss; /* session lookup misses */ | |
728 | int sess_timeout; /* reuse attempt on timeouted session */ | |
729 | int sess_cache_full; /* session removed due to full cache */ | |
730 | int sess_hit; /* session reuse actually done */ | |
731 | int sess_cb_hit; /* session-id that was not in the cache was | |
732 | * passed back via the callback. This | |
733 | * indicates that the application is | |
734 | * supplying session-id's from other | |
735 | * processes - spooky :-) */ | |
736 | } stats; | |
737 | ||
738 | int references; | |
739 | ||
740 | /* if defined, these override the X509_verify_cert() calls */ | |
741 | int (*app_verify_callback) (X509_STORE_CTX *, void *); | |
742 | void *app_verify_arg; | |
743 | /* | |
744 | * before OpenSSL 0.9.7, 'app_verify_arg' was ignored | |
745 | * ('app_verify_callback' was called with just one argument) | |
746 | */ | |
747 | ||
748 | /* Default password callback. */ | |
749 | pem_password_cb *default_passwd_callback; | |
750 | ||
751 | /* Default password callback user data. */ | |
752 | void *default_passwd_callback_userdata; | |
753 | ||
754 | /* get client cert callback */ | |
755 | int (*client_cert_cb) (SSL *ssl, X509 **x509, EVP_PKEY **pkey); | |
756 | ||
757 | /* cookie generate callback */ | |
758 | int (*app_gen_cookie_cb) (SSL *ssl, unsigned char *cookie, | |
759 | unsigned int *cookie_len); | |
760 | ||
761 | /* verify cookie callback */ | |
31011544 | 762 | int (*app_verify_cookie_cb) (SSL *ssl, const unsigned char *cookie, |
b6ba4014 MC |
763 | unsigned int cookie_len); |
764 | ||
765 | CRYPTO_EX_DATA ex_data; | |
766 | ||
767 | const EVP_MD *md5; /* For SSLv3/TLSv1 'ssl3-md5' */ | |
768 | const EVP_MD *sha1; /* For SSLv3/TLSv1 'ssl3->sha1' */ | |
769 | ||
770 | STACK_OF(X509) *extra_certs; | |
771 | STACK_OF(SSL_COMP) *comp_methods; /* stack of SSL_COMP, SSLv3/TLSv1 */ | |
772 | ||
773 | /* Default values used when no per-SSL value is defined follow */ | |
774 | ||
775 | /* used if SSL's info_callback is NULL */ | |
776 | void (*info_callback) (const SSL *ssl, int type, int val); | |
777 | ||
778 | /* what we put in client cert requests */ | |
779 | STACK_OF(X509_NAME) *client_CA; | |
780 | ||
781 | /* | |
782 | * Default values to use in SSL structures follow (these are copied by | |
783 | * SSL_new) | |
784 | */ | |
785 | ||
f7d53487 DSH |
786 | uint32_t options; |
787 | uint32_t mode; | |
7946ab33 KR |
788 | int min_proto_version; |
789 | int max_proto_version; | |
b6ba4014 MC |
790 | long max_cert_list; |
791 | ||
792 | struct cert_st /* CERT */ *cert; | |
793 | int read_ahead; | |
794 | ||
795 | /* callback that allows applications to peek at protocol messages */ | |
796 | void (*msg_callback) (int write_p, int version, int content_type, | |
797 | const void *buf, size_t len, SSL *ssl, void *arg); | |
798 | void *msg_callback_arg; | |
799 | ||
f7d53487 | 800 | uint32_t verify_mode; |
b6ba4014 MC |
801 | unsigned int sid_ctx_length; |
802 | unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH]; | |
803 | /* called 'verify_callback' in the SSL */ | |
804 | int (*default_verify_callback) (int ok, X509_STORE_CTX *ctx); | |
805 | ||
806 | /* Default generate session ID callback. */ | |
807 | GEN_SESSION_CB generate_session_id; | |
808 | ||
809 | X509_VERIFY_PARAM *param; | |
810 | ||
811 | int quiet_shutdown; | |
812 | ||
ed29e82a RP |
813 | # ifndef OPENSSL_NO_CT |
814 | CTLOG_STORE *ctlog_store; /* CT Log Store */ | |
815 | /* | |
816 | * Validates that the SCTs (Signed Certificate Timestamps) are sufficient. | |
817 | * If they are not, the connection should be aborted. | |
818 | */ | |
43341433 | 819 | ssl_ct_validation_cb ct_validation_callback; |
ed29e82a RP |
820 | void *ct_validation_callback_arg; |
821 | # endif | |
822 | ||
d102d9df MC |
823 | /* |
824 | * If we're using more than one pipeline how should we divide the data | |
825 | * up between the pipes? | |
826 | */ | |
827 | unsigned int split_send_fragment; | |
b6ba4014 MC |
828 | /* |
829 | * Maximum amount of data to send in one fragment. actual record size can | |
830 | * be more than this due to padding and MAC overheads. | |
831 | */ | |
832 | unsigned int max_send_fragment; | |
833 | ||
d102d9df MC |
834 | /* Up to how many pipelines should we use? If 0 then 1 is assumed */ |
835 | unsigned int max_pipelines; | |
836 | ||
dad78fb1 MC |
837 | /* The default read buffer length to use (0 means not set) */ |
838 | size_t default_read_buf_len; | |
839 | ||
b6ba4014 MC |
840 | # ifndef OPENSSL_NO_ENGINE |
841 | /* | |
842 | * Engine to pass requests for client certs to | |
843 | */ | |
844 | ENGINE *client_cert_engine; | |
845 | # endif | |
846 | ||
b6ba4014 MC |
847 | /* TLS extensions servername callback */ |
848 | int (*tlsext_servername_callback) (SSL *, int *, void *); | |
849 | void *tlsext_servername_arg; | |
850 | /* RFC 4507 session ticket keys */ | |
851 | unsigned char tlsext_tick_key_name[16]; | |
852 | unsigned char tlsext_tick_hmac_key[16]; | |
853 | unsigned char tlsext_tick_aes_key[16]; | |
854 | /* Callback to support customisation of ticket key setting */ | |
855 | int (*tlsext_ticket_key_cb) (SSL *ssl, | |
856 | unsigned char *name, unsigned char *iv, | |
857 | EVP_CIPHER_CTX *ectx, | |
858 | HMAC_CTX *hctx, int enc); | |
859 | ||
860 | /* certificate status request info */ | |
861 | /* Callback for status request */ | |
862 | int (*tlsext_status_cb) (SSL *ssl, void *arg); | |
863 | void *tlsext_status_arg; | |
b6ba4014 MC |
864 | |
865 | # ifndef OPENSSL_NO_PSK | |
b6ba4014 MC |
866 | unsigned int (*psk_client_callback) (SSL *ssl, const char *hint, |
867 | char *identity, | |
868 | unsigned int max_identity_len, | |
869 | unsigned char *psk, | |
870 | unsigned int max_psk_len); | |
871 | unsigned int (*psk_server_callback) (SSL *ssl, const char *identity, | |
872 | unsigned char *psk, | |
873 | unsigned int max_psk_len); | |
874 | # endif | |
875 | ||
876 | # ifndef OPENSSL_NO_SRP | |
877 | SRP_CTX srp_ctx; /* ctx for SRP authentication */ | |
878 | # endif | |
879 | ||
e481f9b9 | 880 | # ifndef OPENSSL_NO_NEXTPROTONEG |
b6ba4014 | 881 | /* Next protocol negotiation information */ |
b6ba4014 MC |
882 | |
883 | /* | |
884 | * For a server, this contains a callback function by which the set of | |
885 | * advertised protocols can be provided. | |
886 | */ | |
887 | int (*next_protos_advertised_cb) (SSL *s, const unsigned char **buf, | |
888 | unsigned int *len, void *arg); | |
889 | void *next_protos_advertised_cb_arg; | |
890 | /* | |
891 | * For a client, this contains a callback function that selects the next | |
892 | * protocol from the list provided by the server. | |
893 | */ | |
894 | int (*next_proto_select_cb) (SSL *s, unsigned char **out, | |
895 | unsigned char *outlen, | |
896 | const unsigned char *in, | |
897 | unsigned int inlen, void *arg); | |
898 | void *next_proto_select_cb_arg; | |
e481f9b9 | 899 | # endif |
b6ba4014 MC |
900 | |
901 | /* | |
902 | * ALPN information (we are in the process of transitioning from NPN to | |
903 | * ALPN.) | |
904 | */ | |
905 | ||
906 | /*- | |
907 | * For a server, this contains a callback function that allows the | |
908 | * server to select the protocol for the connection. | |
909 | * out: on successful return, this must point to the raw protocol | |
910 | * name (without the length prefix). | |
911 | * outlen: on successful return, this contains the length of |*out|. | |
912 | * in: points to the client's list of supported protocols in | |
913 | * wire-format. | |
914 | * inlen: the length of |in|. | |
915 | */ | |
916 | int (*alpn_select_cb) (SSL *s, | |
917 | const unsigned char **out, | |
918 | unsigned char *outlen, | |
919 | const unsigned char *in, | |
920 | unsigned int inlen, void *arg); | |
921 | void *alpn_select_cb_arg; | |
922 | ||
923 | /* | |
924 | * For a client, this contains the list of supported protocols in wire | |
925 | * format. | |
926 | */ | |
927 | unsigned char *alpn_client_proto_list; | |
928 | unsigned alpn_client_proto_list_len; | |
929 | ||
919ba009 VD |
930 | /* Shared DANE context */ |
931 | struct dane_ctx_st dane; | |
932 | ||
b6ba4014 MC |
933 | /* SRTP profiles we are willing to do from RFC 5764 */ |
934 | STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles; | |
b6ba4014 MC |
935 | /* |
936 | * Callback for disabling session caching and ticket support on a session | |
937 | * basis, depending on the chosen cipher. | |
938 | */ | |
939 | int (*not_resumable_session_cb) (SSL *ssl, int is_forward_secure); | |
940 | # ifndef OPENSSL_NO_EC | |
941 | /* EC extension values inherited by SSL structure */ | |
942 | size_t tlsext_ecpointformatlist_length; | |
943 | unsigned char *tlsext_ecpointformatlist; | |
944 | size_t tlsext_ellipticcurvelist_length; | |
945 | unsigned char *tlsext_ellipticcurvelist; | |
946 | # endif /* OPENSSL_NO_EC */ | |
16203f7b | 947 | CRYPTO_RWLOCK *lock; |
b6ba4014 MC |
948 | }; |
949 | ||
950 | ||
951 | struct ssl_st { | |
952 | /* | |
953 | * protocol version (one of SSL2_VERSION, SSL3_VERSION, TLS1_VERSION, | |
954 | * DTLS1_VERSION) | |
955 | */ | |
956 | int version; | |
23a635c0 | 957 | |
b6ba4014 MC |
958 | /* SSLv3 */ |
959 | const SSL_METHOD *method; | |
960 | /* | |
961 | * There are 2 BIO's even though they are normally both the same. This | |
962 | * is so data can be read and written to different handlers | |
963 | */ | |
964 | /* used by SSL_read */ | |
965 | BIO *rbio; | |
966 | /* used by SSL_write */ | |
967 | BIO *wbio; | |
968 | /* used during session-id reuse to concatenate messages */ | |
969 | BIO *bbio; | |
970 | /* | |
971 | * This holds a variable that indicates what we were doing when a 0 or -1 | |
972 | * is returned. This is needed for non-blocking IO so we know what | |
973 | * request needs re-doing when in SSL_accept or SSL_connect | |
974 | */ | |
975 | int rwstate; | |
024f543c | 976 | |
b6ba4014 MC |
977 | int (*handshake_func) (SSL *); |
978 | /* | |
979 | * Imagine that here's a boolean member "init" that is switched as soon | |
980 | * as SSL_set_{accept/connect}_state is called for the first time, so | |
981 | * that "state" and "handshake_func" are properly initialized. But as | |
982 | * handshake_func is == 0 until then, we use this test instead of an | |
983 | * "init" member. | |
984 | */ | |
23a635c0 | 985 | /* are we the server side? */ |
b6ba4014 MC |
986 | int server; |
987 | /* | |
988 | * Generate a new session or reuse an old one. | |
989 | * NB: For servers, the 'new' session may actually be a previously | |
990 | * cached session or even the previous session unless | |
991 | * SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION is set | |
992 | */ | |
993 | int new_session; | |
994 | /* don't send shutdown packets */ | |
995 | int quiet_shutdown; | |
996 | /* we have shut things down, 0x01 sent, 0x02 for received */ | |
997 | int shutdown; | |
998 | /* where we are */ | |
d6f1a6e9 | 999 | OSSL_STATEM statem; |
f8e0a557 | 1000 | |
b6ba4014 MC |
1001 | BUF_MEM *init_buf; /* buffer used during init */ |
1002 | void *init_msg; /* pointer to handshake message body, set by | |
1003 | * ssl3_get_message() */ | |
1004 | int init_num; /* amount read/written */ | |
1005 | int init_off; /* amount read/written */ | |
7a7048af | 1006 | |
b6ba4014 MC |
1007 | struct ssl3_state_st *s3; /* SSLv3 variables */ |
1008 | struct dtls1_state_st *d1; /* DTLSv1 variables */ | |
52e1d7b1 | 1009 | |
b6ba4014 MC |
1010 | /* callback that allows applications to peek at protocol messages */ |
1011 | void (*msg_callback) (int write_p, int version, int content_type, | |
1012 | const void *buf, size_t len, SSL *ssl, void *arg); | |
1013 | void *msg_callback_arg; | |
1014 | int hit; /* reusing a previous session */ | |
1015 | X509_VERIFY_PARAM *param; | |
919ba009 VD |
1016 | |
1017 | /* Per connection DANE state */ | |
b9aec69a | 1018 | SSL_DANE dane; |
919ba009 | 1019 | |
b6ba4014 MC |
1020 | /* crypto */ |
1021 | STACK_OF(SSL_CIPHER) *cipher_list; | |
1022 | STACK_OF(SSL_CIPHER) *cipher_list_by_id; | |
1023 | /* | |
1024 | * These are the ones being used, the ones in SSL_SESSION are the ones to | |
1025 | * be 'copied' into these ones | |
1026 | */ | |
f7d53487 | 1027 | uint32_t mac_flags; |
b6ba4014 MC |
1028 | EVP_CIPHER_CTX *enc_read_ctx; /* cryptographic state */ |
1029 | EVP_MD_CTX *read_hash; /* used for mac generation */ | |
9a555706 | 1030 | COMP_CTX *compress; /* compression */ |
b6ba4014 | 1031 | COMP_CTX *expand; /* uncompress */ |
b6ba4014 MC |
1032 | EVP_CIPHER_CTX *enc_write_ctx; /* cryptographic state */ |
1033 | EVP_MD_CTX *write_hash; /* used for mac generation */ | |
b6ba4014 MC |
1034 | /* session info */ |
1035 | /* client cert? */ | |
1036 | /* This is used to hold the server certificate used */ | |
1037 | struct cert_st /* CERT */ *cert; | |
1038 | /* | |
1039 | * the session_id_context is used to ensure sessions are only reused in | |
1040 | * the appropriate context | |
1041 | */ | |
1042 | unsigned int sid_ctx_length; | |
1043 | unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH]; | |
1044 | /* This can also be in the session once a session is established */ | |
1045 | SSL_SESSION *session; | |
1046 | /* Default generate session ID callback. */ | |
1047 | GEN_SESSION_CB generate_session_id; | |
1048 | /* Used in SSL3 */ | |
1049 | /* | |
1050 | * 0 don't care about verify failure. | |
1051 | * 1 fail if verify fails | |
1052 | */ | |
f7d53487 | 1053 | uint32_t verify_mode; |
b6ba4014 MC |
1054 | /* fail if callback returns 0 */ |
1055 | int (*verify_callback) (int ok, X509_STORE_CTX *ctx); | |
1056 | /* optional informational callback */ | |
1057 | void (*info_callback) (const SSL *ssl, int type, int val); | |
1058 | /* error bytes to be written */ | |
1059 | int error; | |
1060 | /* actual code */ | |
1061 | int error_code; | |
b6ba4014 MC |
1062 | # ifndef OPENSSL_NO_PSK |
1063 | unsigned int (*psk_client_callback) (SSL *ssl, const char *hint, | |
1064 | char *identity, | |
1065 | unsigned int max_identity_len, | |
1066 | unsigned char *psk, | |
1067 | unsigned int max_psk_len); | |
1068 | unsigned int (*psk_server_callback) (SSL *ssl, const char *identity, | |
1069 | unsigned char *psk, | |
1070 | unsigned int max_psk_len); | |
1071 | # endif | |
1072 | SSL_CTX *ctx; | |
696178ed DSH |
1073 | /* Verified chain of peer */ |
1074 | STACK_OF(X509) *verified_chain; | |
b6ba4014 | 1075 | long verify_result; |
696178ed | 1076 | /* extra application data */ |
b6ba4014 MC |
1077 | CRYPTO_EX_DATA ex_data; |
1078 | /* for server side, keep the list of CA_dn we can use */ | |
1079 | STACK_OF(X509_NAME) *client_CA; | |
1080 | int references; | |
1081 | /* protocol behaviour */ | |
f7d53487 | 1082 | uint32_t options; |
b6ba4014 | 1083 | /* API behaviour */ |
f7d53487 | 1084 | uint32_t mode; |
7946ab33 KR |
1085 | int min_proto_version; |
1086 | int max_proto_version; | |
b6ba4014 MC |
1087 | long max_cert_list; |
1088 | int first_packet; | |
1089 | /* what was passed, used for SSLv3/TLS rollback check */ | |
1090 | int client_version; | |
d102d9df MC |
1091 | |
1092 | /* | |
1093 | * If we're using more than one pipeline how should we divide the data | |
1094 | * up between the pipes? | |
1095 | */ | |
1096 | unsigned int split_send_fragment; | |
1097 | /* | |
1098 | * Maximum amount of data to send in one fragment. actual record size can | |
1099 | * be more than this due to padding and MAC overheads. | |
1100 | */ | |
b6ba4014 | 1101 | unsigned int max_send_fragment; |
e481f9b9 | 1102 | |
d102d9df MC |
1103 | /* Up to how many pipelines should we use? If 0 then 1 is assumed */ |
1104 | unsigned int max_pipelines; | |
1105 | ||
b6ba4014 MC |
1106 | /* TLS extension debug callback */ |
1107 | void (*tlsext_debug_cb) (SSL *s, int client_server, int type, | |
b6981744 | 1108 | const unsigned char *data, int len, void *arg); |
b6ba4014 MC |
1109 | void *tlsext_debug_arg; |
1110 | char *tlsext_hostname; | |
1111 | /*- | |
1112 | * no further mod of servername | |
1113 | * 0 : call the servername extension callback. | |
1114 | * 1 : prepare 2, allow last ack just after in server callback. | |
1115 | * 2 : don't call servername callback, no ack in server hello | |
1116 | */ | |
1117 | int servername_done; | |
1118 | /* certificate status request info */ | |
1119 | /* Status type or -1 if no status type */ | |
1120 | int tlsext_status_type; | |
ed29e82a RP |
1121 | # ifndef OPENSSL_NO_CT |
1122 | /* | |
1123 | * Validates that the SCTs (Signed Certificate Timestamps) are sufficient. | |
1124 | * If they are not, the connection should be aborted. | |
1125 | */ | |
43341433 | 1126 | ssl_ct_validation_cb ct_validation_callback; |
ed29e82a RP |
1127 | /* User-supplied argument tha tis passed to the ct_validation_callback */ |
1128 | void *ct_validation_callback_arg; | |
1129 | /* | |
1130 | * Consolidated stack of SCTs from all sources. | |
1131 | * Lazily populated by CT_get_peer_scts(SSL*) | |
1132 | */ | |
1133 | STACK_OF(SCT) *scts; | |
1134 | /* Raw extension data, if seen */ | |
1135 | unsigned char *tlsext_scts; | |
1136 | /* Length of raw extension data, if seen */ | |
1137 | uint16_t tlsext_scts_len; | |
1138 | /* Have we attempted to find/parse SCTs yet? */ | |
1139 | int scts_parsed; | |
1140 | # endif | |
b6ba4014 MC |
1141 | /* Expect OCSP CertificateStatus message */ |
1142 | int tlsext_status_expected; | |
1143 | /* OCSP status request only */ | |
1144 | STACK_OF(OCSP_RESPID) *tlsext_ocsp_ids; | |
1145 | X509_EXTENSIONS *tlsext_ocsp_exts; | |
1146 | /* OCSP response received or to be sent */ | |
1147 | unsigned char *tlsext_ocsp_resp; | |
1148 | int tlsext_ocsp_resplen; | |
1149 | /* RFC4507 session ticket expected to be received or sent */ | |
1150 | int tlsext_ticket_expected; | |
e481f9b9 | 1151 | # ifndef OPENSSL_NO_EC |
b6ba4014 MC |
1152 | size_t tlsext_ecpointformatlist_length; |
1153 | /* our list */ | |
1154 | unsigned char *tlsext_ecpointformatlist; | |
1155 | size_t tlsext_ellipticcurvelist_length; | |
1156 | /* our list */ | |
1157 | unsigned char *tlsext_ellipticcurvelist; | |
e481f9b9 | 1158 | # endif /* OPENSSL_NO_EC */ |
b6ba4014 MC |
1159 | /* TLS Session Ticket extension override */ |
1160 | TLS_SESSION_TICKET_EXT *tlsext_session_ticket; | |
1161 | /* TLS Session Ticket extension callback */ | |
1162 | tls_session_ticket_ext_cb_fn tls_session_ticket_ext_cb; | |
1163 | void *tls_session_ticket_ext_cb_arg; | |
1164 | /* TLS pre-shared secret session resumption */ | |
1165 | tls_session_secret_cb_fn tls_session_secret_cb; | |
1166 | void *tls_session_secret_cb_arg; | |
1167 | SSL_CTX *initial_ctx; /* initial ctx, used to store sessions */ | |
e481f9b9 | 1168 | # ifndef OPENSSL_NO_NEXTPROTONEG |
b6ba4014 MC |
1169 | /* |
1170 | * Next protocol negotiation. For the client, this is the protocol that | |
1171 | * we sent in NextProtocol and is set when handling ServerHello | |
1172 | * extensions. For a server, this is the client's selected_protocol from | |
1173 | * NextProtocol and is set when handling the NextProtocol message, before | |
1174 | * the Finished message. | |
1175 | */ | |
1176 | unsigned char *next_proto_negotiated; | |
1177 | unsigned char next_proto_negotiated_len; | |
e481f9b9 MC |
1178 | # endif |
1179 | # define session_ctx initial_ctx | |
b6ba4014 MC |
1180 | /* What we'll do */ |
1181 | STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles; | |
1182 | /* What's been chosen */ | |
1183 | SRTP_PROTECTION_PROFILE *srtp_profile; | |
1184 | /*- | |
1185 | * Is use of the Heartbeat extension negotiated? | |
1186 | * 0: disabled | |
1187 | * 1: enabled | |
1188 | * 2: enabled, but not allowed to send Requests | |
1189 | */ | |
1190 | unsigned int tlsext_heartbeat; | |
1191 | /* Indicates if a HeartbeatRequest is in flight */ | |
1192 | unsigned int tlsext_hb_pending; | |
1193 | /* HeartbeatRequest sequence number */ | |
1194 | unsigned int tlsext_hb_seq; | |
1195 | /* | |
1196 | * For a client, this contains the list of supported protocols in wire | |
1197 | * format. | |
1198 | */ | |
1199 | unsigned char *alpn_client_proto_list; | |
1200 | unsigned alpn_client_proto_list_len; | |
e481f9b9 | 1201 | |
b6ba4014 MC |
1202 | /*- |
1203 | * 1 if we are renegotiating. | |
1204 | * 2 if we are a server and are inside a handshake | |
1205 | * (i.e. not just sending a HelloRequest) | |
1206 | */ | |
1207 | int renegotiate; | |
1208 | # ifndef OPENSSL_NO_SRP | |
1209 | /* ctx for SRP authentication */ | |
1210 | SRP_CTX srp_ctx; | |
1211 | # endif | |
1212 | /* | |
1213 | * Callback for disabling session caching and ticket support on a session | |
1214 | * basis, depending on the chosen cipher. | |
1215 | */ | |
1216 | int (*not_resumable_session_cb) (SSL *ssl, int is_forward_secure); | |
08934f1a | 1217 | |
28d59af8 | 1218 | RECORD_LAYER rlayer; |
a974e64a MC |
1219 | |
1220 | /* Default password callback. */ | |
1221 | pem_password_cb *default_passwd_callback; | |
1222 | ||
1223 | /* Default password callback user data. */ | |
1224 | void *default_passwd_callback_userdata; | |
07bbc92c MC |
1225 | |
1226 | /* Async Job info */ | |
1227 | ASYNC_JOB *job; | |
ff75a257 | 1228 | ASYNC_WAIT_CTX *waitctx; |
16203f7b AG |
1229 | |
1230 | CRYPTO_RWLOCK *lock; | |
b6ba4014 MC |
1231 | }; |
1232 | ||
b6ba4014 | 1233 | |
b6ba4014 MC |
1234 | typedef struct ssl3_state_st { |
1235 | long flags; | |
b6ba4014 MC |
1236 | int read_mac_secret_size; |
1237 | unsigned char read_mac_secret[EVP_MAX_MD_SIZE]; | |
b6ba4014 MC |
1238 | int write_mac_secret_size; |
1239 | unsigned char write_mac_secret[EVP_MAX_MD_SIZE]; | |
1240 | unsigned char server_random[SSL3_RANDOM_SIZE]; | |
1241 | unsigned char client_random[SSL3_RANDOM_SIZE]; | |
1242 | /* flags for countermeasure against known-IV weakness */ | |
1243 | int need_empty_fragments; | |
1244 | int empty_fragment_done; | |
b6ba4014 MC |
1245 | /* used during startup, digest all incoming/outgoing packets */ |
1246 | BIO *handshake_buffer; | |
1247 | /* | |
28ba2541 DSH |
1248 | * When handshake digest is determined, buffer is hashed and |
1249 | * freed and MD_CTX for the required digest is stored here. | |
b6ba4014 | 1250 | */ |
28ba2541 | 1251 | EVP_MD_CTX *handshake_dgst; |
b6ba4014 MC |
1252 | /* |
1253 | * Set whenever an expected ChangeCipherSpec message is processed. | |
1254 | * Unset when the peer's Finished message is received. | |
1255 | * Unexpected ChangeCipherSpec messages trigger a fatal alert. | |
1256 | */ | |
1257 | int change_cipher_spec; | |
1258 | int warn_alert; | |
1259 | int fatal_alert; | |
1260 | /* | |
1261 | * we allow one fatal and one warning alert to be outstanding, send close | |
1262 | * alert via the warning alert | |
1263 | */ | |
1264 | int alert_dispatch; | |
1265 | unsigned char send_alert[2]; | |
1266 | /* | |
1267 | * This flag is set when we should renegotiate ASAP, basically when there | |
1268 | * is no more data in the read or write buffers | |
1269 | */ | |
1270 | int renegotiate; | |
1271 | int total_renegotiations; | |
1272 | int num_renegotiations; | |
1273 | int in_read_app_data; | |
1274 | struct { | |
b6ba4014 MC |
1275 | /* actually only need to be 16+20 for SSLv3 and 12 for TLS */ |
1276 | unsigned char finish_md[EVP_MAX_MD_SIZE * 2]; | |
1277 | int finish_md_len; | |
1278 | unsigned char peer_finish_md[EVP_MAX_MD_SIZE * 2]; | |
1279 | int peer_finish_md_len; | |
1280 | unsigned long message_size; | |
1281 | int message_type; | |
1282 | /* used to hold the new cipher we are going to use */ | |
1283 | const SSL_CIPHER *new_cipher; | |
b22d7113 DSH |
1284 | # if !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_DH) |
1285 | EVP_PKEY *pkey; /* holds short lived DH/ECDH key */ | |
b6ba4014 | 1286 | # endif |
b6ba4014 MC |
1287 | /* used for certificate requests */ |
1288 | int cert_req; | |
1289 | int ctype_num; | |
1290 | char ctype[SSL3_CT_NUMBER]; | |
1291 | STACK_OF(X509_NAME) *ca_names; | |
b6ba4014 MC |
1292 | int key_block_length; |
1293 | unsigned char *key_block; | |
1294 | const EVP_CIPHER *new_sym_enc; | |
1295 | const EVP_MD *new_hash; | |
1296 | int new_mac_pkey_type; | |
1297 | int new_mac_secret_size; | |
1298 | # ifndef OPENSSL_NO_COMP | |
1299 | const SSL_COMP *new_compression; | |
1300 | # else | |
1301 | char *new_compression; | |
1302 | # endif | |
1303 | int cert_request; | |
76106e60 DSH |
1304 | /* Raw values of the cipher list from a client */ |
1305 | unsigned char *ciphers_raw; | |
1306 | size_t ciphers_rawlen; | |
1307 | /* Temporary storage for premaster secret */ | |
1308 | unsigned char *pms; | |
1309 | size_t pmslen; | |
85269210 | 1310 | #ifndef OPENSSL_NO_PSK |
64651d39 DSH |
1311 | /* Temporary storage for PSK key */ |
1312 | unsigned char *psk; | |
1313 | size_t psklen; | |
85269210 | 1314 | #endif |
76106e60 DSH |
1315 | /* |
1316 | * signature algorithms peer reports: e.g. supported signature | |
1317 | * algorithms extension for server or as part of a certificate | |
1318 | * request for client. | |
1319 | */ | |
1320 | unsigned char *peer_sigalgs; | |
1321 | /* Size of above array */ | |
1322 | size_t peer_sigalgslen; | |
d376e57d DSH |
1323 | /* Digest peer uses for signing */ |
1324 | const EVP_MD *peer_md; | |
1325 | /* Array of digests used for signing */ | |
1326 | const EVP_MD *md[SSL_PKEY_NUM]; | |
6383d316 DSH |
1327 | /* |
1328 | * Set if corresponding CERT_PKEY can be used with current | |
1329 | * SSL session: e.g. appropriate curve, signature algorithms etc. | |
1330 | * If zero it can't be used at all. | |
1331 | */ | |
f7d53487 | 1332 | uint32_t valid_flags[SSL_PKEY_NUM]; |
4d69f9e6 DSH |
1333 | /* |
1334 | * For servers the following masks are for the key and auth algorithms | |
1335 | * that are supported by the certs below. For clients they are masks of | |
1336 | * *disabled* algorithms based on the current session. | |
1337 | */ | |
90d9e49a DSH |
1338 | uint32_t mask_k; |
1339 | uint32_t mask_a; | |
3eb2aff4 KR |
1340 | /* |
1341 | * The following are used by the client to see if a cipher is allowed or | |
1342 | * not. It contains the minimum and maximum version the client's using | |
1343 | * based on what it knows so far. | |
1344 | */ | |
1345 | int min_ver; | |
1346 | int max_ver; | |
b6ba4014 MC |
1347 | } tmp; |
1348 | ||
1349 | /* Connection binding to prevent renegotiation attacks */ | |
1350 | unsigned char previous_client_finished[EVP_MAX_MD_SIZE]; | |
1351 | unsigned char previous_client_finished_len; | |
1352 | unsigned char previous_server_finished[EVP_MAX_MD_SIZE]; | |
1353 | unsigned char previous_server_finished_len; | |
1354 | int send_connection_binding; /* TODOEKR */ | |
1355 | ||
1356 | # ifndef OPENSSL_NO_NEXTPROTONEG | |
1357 | /* | |
1358 | * Set if we saw the Next Protocol Negotiation extension from our peer. | |
1359 | */ | |
1360 | int next_proto_neg_seen; | |
1361 | # endif | |
1362 | ||
b6ba4014 MC |
1363 | /* |
1364 | * ALPN information (we are in the process of transitioning from NPN to | |
1365 | * ALPN.) | |
1366 | */ | |
1367 | ||
1368 | /* | |
1369 | * In a server these point to the selected ALPN protocol after the | |
1370 | * ClientHello has been processed. In a client these contain the protocol | |
1371 | * that the server selected once the ServerHello has been processed. | |
1372 | */ | |
1373 | unsigned char *alpn_selected; | |
817cd0d5 TS |
1374 | size_t alpn_selected_len; |
1375 | /* used by the server to know what options were proposed */ | |
1376 | unsigned char *alpn_proposed; | |
1377 | size_t alpn_proposed_len; | |
1378 | /* used by the client to know if it actually sent alpn */ | |
1379 | int alpn_sent; | |
b6ba4014 MC |
1380 | |
1381 | # ifndef OPENSSL_NO_EC | |
1382 | /* | |
1383 | * This is set to true if we believe that this is a version of Safari | |
1384 | * running on OS X 10.6 or newer. We wish to know this because Safari on | |
1385 | * 10.8 .. 10.8.3 has broken ECDHE-ECDSA support. | |
1386 | */ | |
1387 | char is_probably_safari; | |
1388 | # endif /* !OPENSSL_NO_EC */ | |
8d92c1f8 DSH |
1389 | |
1390 | /* For clients: peer temporary key */ | |
fb79abe3 | 1391 | # if !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_DH) |
61dd9f7a | 1392 | EVP_PKEY *peer_tmp; |
8d92c1f8 DSH |
1393 | # endif |
1394 | ||
b6ba4014 MC |
1395 | } SSL3_STATE; |
1396 | ||
1397 | ||
1398 | /* DTLS structures */ | |
1399 | ||
1400 | # ifndef OPENSSL_NO_SCTP | |
1401 | # define DTLS1_SCTP_AUTH_LABEL "EXPORTER_DTLS_OVER_SCTP" | |
1402 | # endif | |
1403 | ||
1404 | /* Max MTU overhead we know about so far is 40 for IPv6 + 8 for UDP */ | |
1405 | # define DTLS1_MAX_MTU_OVERHEAD 48 | |
1406 | ||
e3d0dae7 MC |
1407 | /* |
1408 | * Flag used in message reuse to indicate the buffer contains the record | |
1409 | * header as well as the the handshake message header. | |
1410 | */ | |
1411 | # define DTLS1_SKIP_RECORD_HEADER 2 | |
1412 | ||
b6ba4014 MC |
1413 | struct dtls1_retransmit_state { |
1414 | EVP_CIPHER_CTX *enc_write_ctx; /* cryptographic state */ | |
1415 | EVP_MD_CTX *write_hash; /* used for mac generation */ | |
b6ba4014 | 1416 | COMP_CTX *compress; /* compression */ |
b6ba4014 MC |
1417 | SSL_SESSION *session; |
1418 | unsigned short epoch; | |
1419 | }; | |
1420 | ||
1421 | struct hm_header_st { | |
1422 | unsigned char type; | |
1423 | unsigned long msg_len; | |
1424 | unsigned short seq; | |
1425 | unsigned long frag_off; | |
1426 | unsigned long frag_len; | |
1427 | unsigned int is_ccs; | |
1428 | struct dtls1_retransmit_state saved_retransmit_state; | |
1429 | }; | |
1430 | ||
b6ba4014 MC |
1431 | struct dtls1_timeout_st { |
1432 | /* Number of read timeouts so far */ | |
1433 | unsigned int read_timeouts; | |
1434 | /* Number of write timeouts so far */ | |
1435 | unsigned int write_timeouts; | |
1436 | /* Number of alerts received so far */ | |
1437 | unsigned int num_alerts; | |
1438 | }; | |
1439 | ||
b6ba4014 MC |
1440 | typedef struct hm_fragment_st { |
1441 | struct hm_header_st msg_header; | |
1442 | unsigned char *fragment; | |
1443 | unsigned char *reassembly; | |
1444 | } hm_fragment; | |
1445 | ||
cf2cede4 RS |
1446 | typedef struct pqueue_st pqueue; |
1447 | typedef struct pitem_st pitem; | |
1448 | ||
1449 | struct pitem_st { | |
1450 | unsigned char priority[8]; /* 64-bit value in big-endian encoding */ | |
1451 | void *data; | |
1452 | pitem *next; | |
1453 | }; | |
1454 | ||
1455 | typedef struct pitem_st *piterator; | |
1456 | ||
1457 | pitem *pitem_new(unsigned char *prio64be, void *data); | |
1458 | void pitem_free(pitem *item); | |
1459 | pqueue* pqueue_new(void); | |
1460 | void pqueue_free(pqueue *pq); | |
1461 | pitem *pqueue_insert(pqueue *pq, pitem *item); | |
1462 | pitem *pqueue_peek(pqueue *pq); | |
1463 | pitem *pqueue_pop(pqueue *pq); | |
1464 | pitem *pqueue_find(pqueue *pq, unsigned char *prio64be); | |
1465 | pitem *pqueue_iterator(pqueue *pq); | |
1466 | pitem *pqueue_next(piterator *iter); | |
cf2cede4 RS |
1467 | int pqueue_size(pqueue *pq); |
1468 | ||
b6ba4014 | 1469 | typedef struct dtls1_state_st { |
b6ba4014 | 1470 | unsigned char cookie[DTLS1_COOKIE_LENGTH]; |
b6ba4014 | 1471 | unsigned int cookie_len; |
e27f234a | 1472 | unsigned int cookie_verified; |
78a39fe7 | 1473 | |
b6ba4014 MC |
1474 | /* handshake message numbers */ |
1475 | unsigned short handshake_write_seq; | |
1476 | unsigned short next_handshake_write_seq; | |
1477 | unsigned short handshake_read_seq; | |
3bb8f87d | 1478 | |
b6ba4014 | 1479 | /* Buffered handshake messages */ |
cf2cede4 | 1480 | pqueue *buffered_messages; |
b6ba4014 | 1481 | /* Buffered (sent) handshake records */ |
cf2cede4 | 1482 | pqueue *sent_messages; |
24a1e2f2 | 1483 | |
b6ba4014 MC |
1484 | unsigned int link_mtu; /* max on-the-wire DTLS packet size */ |
1485 | unsigned int mtu; /* max DTLS packet size */ | |
1486 | struct hm_header_st w_msg_hdr; | |
1487 | struct hm_header_st r_msg_hdr; | |
1488 | struct dtls1_timeout_st timeout; | |
1489 | /* | |
1490 | * Indicates when the last handshake msg or heartbeat sent will timeout | |
1491 | */ | |
1492 | struct timeval next_timeout; | |
1493 | /* Timeout duration */ | |
1494 | unsigned short timeout_duration; | |
c661ac16 | 1495 | |
b6ba4014 | 1496 | unsigned int retransmitting; |
b6ba4014 | 1497 | # ifndef OPENSSL_NO_SCTP |
b6ba4014 MC |
1498 | int shutdown_received; |
1499 | # endif | |
1500 | } DTLS1_STATE; | |
1501 | ||
b6ba4014 MC |
1502 | |
1503 | ||
0f113f3e MC |
1504 | # ifndef OPENSSL_NO_EC |
1505 | /* | |
1506 | * From ECC-TLS draft, used in encoding the curve type in ECParameters | |
ea262260 | 1507 | */ |
0f113f3e MC |
1508 | # define EXPLICIT_PRIME_CURVE_TYPE 1 |
1509 | # define EXPLICIT_CHAR2_CURVE_TYPE 2 | |
1510 | # define NAMED_CURVE_TYPE 3 | |
1511 | # endif /* OPENSSL_NO_EC */ | |
1512 | ||
1513 | typedef struct cert_pkey_st { | |
1514 | X509 *x509; | |
1515 | EVP_PKEY *privatekey; | |
0f113f3e MC |
1516 | /* Chain for this certificate */ |
1517 | STACK_OF(X509) *chain; | |
e481f9b9 | 1518 | |
50e735f9 MC |
1519 | /*- |
1520 | * serverinfo data for this certificate. The data is in TLS Extension | |
1521 | * wire format, specifically it's a series of records like: | |
1522 | * uint16_t extension_type; // (RFC 5246, 7.4.1.4, Extension) | |
1523 | * uint16_t length; | |
1524 | * uint8_t data[length]; | |
1525 | */ | |
0f113f3e MC |
1526 | unsigned char *serverinfo; |
1527 | size_t serverinfo_length; | |
0f113f3e | 1528 | } CERT_PKEY; |
2ea80354 | 1529 | /* Retrieve Suite B flags */ |
0f113f3e | 1530 | # define tls1_suiteb(s) (s->cert->cert_flags & SSL_CERT_FLAG_SUITEB_128_LOS) |
2ea80354 | 1531 | /* Uses to check strict mode: suite B modes are always strict */ |
0f113f3e MC |
1532 | # define SSL_CERT_FLAGS_CHECK_TLS_STRICT \ |
1533 | (SSL_CERT_FLAG_SUITEB_128_LOS|SSL_CERT_FLAG_TLS_STRICT) | |
d02b48c6 | 1534 | |
b83294fe | 1535 | typedef struct { |
0f113f3e MC |
1536 | unsigned short ext_type; |
1537 | /* | |
1538 | * Per-connection flags relating to this extension type: not used if | |
1539 | * part of an SSL_CTX structure. | |
1540 | */ | |
f7d53487 | 1541 | uint32_t ext_flags; |
0f113f3e MC |
1542 | custom_ext_add_cb add_cb; |
1543 | custom_ext_free_cb free_cb; | |
1544 | void *add_arg; | |
1545 | custom_ext_parse_cb parse_cb; | |
1546 | void *parse_arg; | |
ecf4d660 | 1547 | } custom_ext_method; |
b83294fe | 1548 | |
28ea0a0c DSH |
1549 | /* ext_flags values */ |
1550 | ||
0f113f3e MC |
1551 | /* |
1552 | * Indicates an extension has been received. Used to check for unsolicited or | |
1553 | * duplicate extensions. | |
28ea0a0c | 1554 | */ |
0f113f3e MC |
1555 | # define SSL_EXT_FLAG_RECEIVED 0x1 |
1556 | /* | |
1557 | * Indicates an extension has been sent: used to enable sending of | |
1558 | * corresponding ServerHello extension. | |
28ea0a0c | 1559 | */ |
0f113f3e | 1560 | # define SSL_EXT_FLAG_SENT 0x2 |
28ea0a0c | 1561 | |
b83294fe | 1562 | typedef struct { |
0f113f3e MC |
1563 | custom_ext_method *meths; |
1564 | size_t meths_count; | |
ecf4d660 | 1565 | } custom_ext_methods; |
b83294fe | 1566 | |
0f113f3e MC |
1567 | typedef struct cert_st { |
1568 | /* Current active set */ | |
1569 | /* | |
1570 | * ALWAYS points to an element of the pkeys array | |
1571 | * Probably it would make more sense to store | |
1572 | * an index, not a pointer. | |
1573 | */ | |
1574 | CERT_PKEY *key; | |
0f113f3e | 1575 | # ifndef OPENSSL_NO_DH |
e2b420fd | 1576 | EVP_PKEY *dh_tmp; |
0f113f3e MC |
1577 | DH *(*dh_tmp_cb) (SSL *ssl, int is_export, int keysize); |
1578 | int dh_tmp_auto; | |
0f113f3e MC |
1579 | # endif |
1580 | /* Flags related to certificates */ | |
f7d53487 | 1581 | uint32_t cert_flags; |
0f113f3e MC |
1582 | CERT_PKEY pkeys[SSL_PKEY_NUM]; |
1583 | /* | |
1584 | * Certificate types (received or sent) in certificate request message. | |
1585 | * On receive this is only set if number of certificate types exceeds | |
1586 | * SSL3_CT_NUMBER. | |
1587 | */ | |
1588 | unsigned char *ctypes; | |
1589 | size_t ctype_num; | |
0f113f3e MC |
1590 | /* |
1591 | * suppported signature algorithms. When set on a client this is sent in | |
1592 | * the client hello as the supported signature algorithms extension. For | |
1593 | * servers it represents the signature algorithms we are willing to use. | |
1594 | */ | |
1595 | unsigned char *conf_sigalgs; | |
1596 | /* Size of above array */ | |
1597 | size_t conf_sigalgslen; | |
1598 | /* | |
1599 | * Client authentication signature algorithms, if not set then uses | |
1600 | * conf_sigalgs. On servers these will be the signature algorithms sent | |
1601 | * to the client in a cerificate request for TLS 1.2. On a client this | |
1602 | * represents the signature algortithms we are willing to use for client | |
1603 | * authentication. | |
1604 | */ | |
1605 | unsigned char *client_sigalgs; | |
1606 | /* Size of above array */ | |
1607 | size_t client_sigalgslen; | |
1608 | /* | |
1609 | * Signature algorithms shared by client and server: cached because these | |
1610 | * are used most often. | |
1611 | */ | |
1612 | TLS_SIGALGS *shared_sigalgs; | |
1613 | size_t shared_sigalgslen; | |
1614 | /* | |
1615 | * Certificate setup callback: if set is called whenever a certificate | |
1616 | * may be required (client or server). the callback can then examine any | |
1617 | * appropriate parameters and setup any certificates required. This | |
1618 | * allows advanced applications to select certificates on the fly: for | |
1619 | * example based on supported signature algorithms or curves. | |
1620 | */ | |
1621 | int (*cert_cb) (SSL *ssl, void *arg); | |
1622 | void *cert_cb_arg; | |
1623 | /* | |
1624 | * Optional X509_STORE for chain building or certificate validation If | |
1625 | * NULL the parent SSL_CTX store is used instead. | |
1626 | */ | |
1627 | X509_STORE *chain_store; | |
1628 | X509_STORE *verify_store; | |
0f113f3e MC |
1629 | /* Custom extension methods for server and client */ |
1630 | custom_ext_methods cli_ext; | |
1631 | custom_ext_methods srv_ext; | |
1632 | /* Security callback */ | |
e4646a89 | 1633 | int (*sec_cb) (const SSL *s, const SSL_CTX *ctx, int op, int bits, int nid, |
0f113f3e MC |
1634 | void *other, void *ex); |
1635 | /* Security level */ | |
1636 | int sec_level; | |
1637 | void *sec_ex; | |
df6da24b DSH |
1638 | #ifndef OPENSSL_NO_PSK |
1639 | /* If not NULL psk identity hint to use for servers */ | |
1640 | char *psk_identity_hint; | |
1641 | #endif | |
0f113f3e | 1642 | int references; /* >1 only if SSL_copy_session_id is used */ |
16203f7b | 1643 | CRYPTO_RWLOCK *lock; |
0f113f3e MC |
1644 | } CERT; |
1645 | ||
e7f8ff43 | 1646 | /* Structure containing decoded values of signature algorithms extension */ |
0f113f3e MC |
1647 | struct tls_sigalgs_st { |
1648 | /* NID of hash algorithm */ | |
1649 | int hash_nid; | |
1650 | /* NID of signature algorithm */ | |
1651 | int sign_nid; | |
1652 | /* Combined hash and signature NID */ | |
1653 | int signandhash_nid; | |
1654 | /* Raw values used in extension */ | |
1655 | unsigned char rsign; | |
1656 | unsigned char rhash; | |
1657 | }; | |
1658 | ||
0f113f3e | 1659 | # define FP_ICC (int (*)(const void *,const void *)) |
0f113f3e MC |
1660 | |
1661 | /* | |
1662 | * This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff It is a bit | |
1663 | * of a mess of functions, but hell, think of it as an opaque structure :-) | |
1664 | */ | |
1665 | typedef struct ssl3_enc_method { | |
d102d9df MC |
1666 | int (*enc) (SSL *, SSL3_RECORD *, unsigned int, int); |
1667 | int (*mac) (SSL *, SSL3_RECORD *, unsigned char *, int); | |
0f113f3e MC |
1668 | int (*setup_key_block) (SSL *); |
1669 | int (*generate_master_secret) (SSL *, unsigned char *, unsigned char *, | |
1670 | int); | |
1671 | int (*change_cipher_state) (SSL *, int); | |
1672 | int (*final_finish_mac) (SSL *, const char *, int, unsigned char *); | |
1673 | int finish_mac_length; | |
0f113f3e MC |
1674 | const char *client_finished_label; |
1675 | int client_finished_label_len; | |
1676 | const char *server_finished_label; | |
1677 | int server_finished_label_len; | |
1678 | int (*alert_value) (int); | |
1679 | int (*export_keying_material) (SSL *, unsigned char *, size_t, | |
1680 | const char *, size_t, | |
1681 | const unsigned char *, size_t, | |
1682 | int use_context); | |
1683 | /* Various flags indicating protocol version requirements */ | |
f7d53487 | 1684 | uint32_t enc_flags; |
0f113f3e MC |
1685 | /* Handshake header length */ |
1686 | unsigned int hhlen; | |
1687 | /* Set the handshake header */ | |
77d514c5 | 1688 | int (*set_handshake_header) (SSL *s, int type, unsigned long len); |
0f113f3e MC |
1689 | /* Write out handshake message */ |
1690 | int (*do_write) (SSL *s); | |
1691 | } SSL3_ENC_METHOD; | |
1692 | ||
1693 | # define SSL_HM_HEADER_LENGTH(s) s->method->ssl3_enc->hhlen | |
1694 | # define ssl_handshake_start(s) \ | |
1695 | (((unsigned char *)s->init_buf->data) + s->method->ssl3_enc->hhlen) | |
1696 | # define ssl_set_handshake_header(s, htype, len) \ | |
1697 | s->method->ssl3_enc->set_handshake_header(s, htype, len) | |
1698 | # define ssl_do_write(s) s->method->ssl3_enc->do_write(s) | |
173e72e6 DSH |
1699 | |
1700 | /* Values for enc_flags */ | |
1701 | ||
1702 | /* Uses explicit IV for CBC mode */ | |
0f113f3e | 1703 | # define SSL_ENC_FLAG_EXPLICIT_IV 0x1 |
173e72e6 | 1704 | /* Uses signature algorithms extension */ |
0f113f3e | 1705 | # define SSL_ENC_FLAG_SIGALGS 0x2 |
cbd64894 | 1706 | /* Uses SHA256 default PRF */ |
0f113f3e | 1707 | # define SSL_ENC_FLAG_SHA256_PRF 0x4 |
173e72e6 | 1708 | /* Is DTLS */ |
0f113f3e MC |
1709 | # define SSL_ENC_FLAG_DTLS 0x8 |
1710 | /* | |
1711 | * Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2: may | |
1712 | * apply to others in future. | |
4221c0dd | 1713 | */ |
0f113f3e | 1714 | # define SSL_ENC_FLAG_TLS1_2_CIPHERS 0x10 |
173e72e6 | 1715 | |
0f113f3e | 1716 | # ifndef OPENSSL_NO_COMP |
651d0aff | 1717 | /* Used for holding the relevant compression methods loaded into SSL_CTX */ |
0f113f3e MC |
1718 | typedef struct ssl3_comp_st { |
1719 | int comp_id; /* The identifier byte for this compression | |
1720 | * type */ | |
1721 | char *name; /* Text name used for the compression type */ | |
1722 | COMP_METHOD *method; /* The method :-) */ | |
1723 | } SSL3_COMP; | |
1724 | # endif | |
dfeab068 | 1725 | |
3ed449e9 | 1726 | extern SSL3_ENC_METHOD ssl3_undef_enc_method; |
7d7d2cbc | 1727 | |
2b8fa1d5 KR |
1728 | __owur const SSL_METHOD *ssl_bad_method(int ver); |
1729 | __owur const SSL_METHOD *sslv3_method(void); | |
1730 | __owur const SSL_METHOD *sslv3_server_method(void); | |
1731 | __owur const SSL_METHOD *sslv3_client_method(void); | |
1732 | __owur const SSL_METHOD *tlsv1_method(void); | |
1733 | __owur const SSL_METHOD *tlsv1_server_method(void); | |
1734 | __owur const SSL_METHOD *tlsv1_client_method(void); | |
1735 | __owur const SSL_METHOD *tlsv1_1_method(void); | |
1736 | __owur const SSL_METHOD *tlsv1_1_server_method(void); | |
1737 | __owur const SSL_METHOD *tlsv1_1_client_method(void); | |
1738 | __owur const SSL_METHOD *tlsv1_2_method(void); | |
1739 | __owur const SSL_METHOD *tlsv1_2_server_method(void); | |
1740 | __owur const SSL_METHOD *tlsv1_2_client_method(void); | |
1741 | __owur const SSL_METHOD *dtlsv1_method(void); | |
1742 | __owur const SSL_METHOD *dtlsv1_server_method(void); | |
1743 | __owur const SSL_METHOD *dtlsv1_client_method(void); | |
1744 | __owur const SSL_METHOD *dtlsv1_2_method(void); | |
1745 | __owur const SSL_METHOD *dtlsv1_2_server_method(void); | |
1746 | __owur const SSL_METHOD *dtlsv1_2_client_method(void); | |
d02b48c6 | 1747 | |
161e0a61 BL |
1748 | extern const SSL3_ENC_METHOD TLSv1_enc_data; |
1749 | extern const SSL3_ENC_METHOD TLSv1_1_enc_data; | |
1750 | extern const SSL3_ENC_METHOD TLSv1_2_enc_data; | |
8892ce77 BL |
1751 | extern const SSL3_ENC_METHOD SSLv3_enc_data; |
1752 | extern const SSL3_ENC_METHOD DTLSv1_enc_data; | |
1753 | extern const SSL3_ENC_METHOD DTLSv1_2_enc_data; | |
f3b656b2 | 1754 | |
4fa52141 VD |
1755 | /* |
1756 | * Flags for SSL methods | |
1757 | */ | |
1758 | #define SSL_METHOD_NO_FIPS (1U<<0) | |
1759 | #define SSL_METHOD_NO_SUITEB (1U<<1) | |
1760 | ||
1761 | # define IMPLEMENT_tls_meth_func(version, flags, mask, func_name, s_accept, \ | |
ccae4a15 | 1762 | s_connect, enc_data) \ |
4ebb342f | 1763 | const SSL_METHOD *func_name(void) \ |
0f113f3e MC |
1764 | { \ |
1765 | static const SSL_METHOD func_name##_data= { \ | |
1766 | version, \ | |
4fa52141 VD |
1767 | flags, \ |
1768 | mask, \ | |
0f113f3e MC |
1769 | tls1_new, \ |
1770 | tls1_clear, \ | |
1771 | tls1_free, \ | |
1772 | s_accept, \ | |
1773 | s_connect, \ | |
1774 | ssl3_read, \ | |
1775 | ssl3_peek, \ | |
1776 | ssl3_write, \ | |
1777 | ssl3_shutdown, \ | |
1778 | ssl3_renegotiate, \ | |
1779 | ssl3_renegotiate_check, \ | |
0f113f3e MC |
1780 | ssl3_read_bytes, \ |
1781 | ssl3_write_bytes, \ | |
1782 | ssl3_dispatch_alert, \ | |
1783 | ssl3_ctrl, \ | |
1784 | ssl3_ctx_ctrl, \ | |
1785 | ssl3_get_cipher_by_char, \ | |
1786 | ssl3_put_cipher_by_char, \ | |
1787 | ssl3_pending, \ | |
1788 | ssl3_num_ciphers, \ | |
1789 | ssl3_get_cipher, \ | |
0f113f3e MC |
1790 | tls1_default_timeout, \ |
1791 | &enc_data, \ | |
1792 | ssl_undefined_void_function, \ | |
1793 | ssl3_callback_ctrl, \ | |
1794 | ssl3_ctx_callback_ctrl, \ | |
1795 | }; \ | |
1796 | return &func_name##_data; \ | |
1797 | } | |
1798 | ||
ccae4a15 | 1799 | # define IMPLEMENT_ssl3_meth_func(func_name, s_accept, s_connect) \ |
4ebb342f | 1800 | const SSL_METHOD *func_name(void) \ |
0f113f3e MC |
1801 | { \ |
1802 | static const SSL_METHOD func_name##_data= { \ | |
1803 | SSL3_VERSION, \ | |
4fa52141 VD |
1804 | SSL_METHOD_NO_FIPS | SSL_METHOD_NO_SUITEB, \ |
1805 | SSL_OP_NO_SSLv3, \ | |
0f113f3e MC |
1806 | ssl3_new, \ |
1807 | ssl3_clear, \ | |
1808 | ssl3_free, \ | |
1809 | s_accept, \ | |
1810 | s_connect, \ | |
1811 | ssl3_read, \ | |
1812 | ssl3_peek, \ | |
1813 | ssl3_write, \ | |
1814 | ssl3_shutdown, \ | |
1815 | ssl3_renegotiate, \ | |
1816 | ssl3_renegotiate_check, \ | |
0f113f3e MC |
1817 | ssl3_read_bytes, \ |
1818 | ssl3_write_bytes, \ | |
1819 | ssl3_dispatch_alert, \ | |
1820 | ssl3_ctrl, \ | |
1821 | ssl3_ctx_ctrl, \ | |
1822 | ssl3_get_cipher_by_char, \ | |
1823 | ssl3_put_cipher_by_char, \ | |
1824 | ssl3_pending, \ | |
1825 | ssl3_num_ciphers, \ | |
1826 | ssl3_get_cipher, \ | |
0f113f3e MC |
1827 | ssl3_default_timeout, \ |
1828 | &SSLv3_enc_data, \ | |
1829 | ssl_undefined_void_function, \ | |
1830 | ssl3_callback_ctrl, \ | |
1831 | ssl3_ctx_callback_ctrl, \ | |
1832 | }; \ | |
1833 | return &func_name##_data; \ | |
1834 | } | |
1835 | ||
4fa52141 | 1836 | # define IMPLEMENT_dtls1_meth_func(version, flags, mask, func_name, s_accept, \ |
ccae4a15 | 1837 | s_connect, enc_data) \ |
4ebb342f | 1838 | const SSL_METHOD *func_name(void) \ |
0f113f3e MC |
1839 | { \ |
1840 | static const SSL_METHOD func_name##_data= { \ | |
1841 | version, \ | |
4fa52141 VD |
1842 | flags, \ |
1843 | mask, \ | |
0f113f3e MC |
1844 | dtls1_new, \ |
1845 | dtls1_clear, \ | |
1846 | dtls1_free, \ | |
1847 | s_accept, \ | |
1848 | s_connect, \ | |
1849 | ssl3_read, \ | |
1850 | ssl3_peek, \ | |
1851 | ssl3_write, \ | |
1852 | dtls1_shutdown, \ | |
1853 | ssl3_renegotiate, \ | |
1854 | ssl3_renegotiate_check, \ | |
0f113f3e MC |
1855 | dtls1_read_bytes, \ |
1856 | dtls1_write_app_data_bytes, \ | |
1857 | dtls1_dispatch_alert, \ | |
1858 | dtls1_ctrl, \ | |
1859 | ssl3_ctx_ctrl, \ | |
1860 | ssl3_get_cipher_by_char, \ | |
1861 | ssl3_put_cipher_by_char, \ | |
1862 | ssl3_pending, \ | |
1863 | ssl3_num_ciphers, \ | |
ca3895f0 | 1864 | ssl3_get_cipher, \ |
0f113f3e MC |
1865 | dtls1_default_timeout, \ |
1866 | &enc_data, \ | |
1867 | ssl_undefined_void_function, \ | |
1868 | ssl3_callback_ctrl, \ | |
1869 | ssl3_ctx_callback_ctrl, \ | |
1870 | }; \ | |
1871 | return &func_name##_data; \ | |
1872 | } | |
1873 | ||
1874 | struct openssl_ssl_test_functions { | |
1875 | int (*p_ssl_init_wbio_buffer) (SSL *s, int push); | |
1876 | int (*p_ssl3_setup_buffers) (SSL *s); | |
08934f1a | 1877 | # ifndef OPENSSL_NO_HEARTBEATS |
2c60ed04 MC |
1878 | int (*p_dtls1_process_heartbeat) (SSL *s, |
1879 | unsigned char *p, unsigned int length); | |
08934f1a | 1880 | # endif |
0f113f3e MC |
1881 | }; |
1882 | ||
3eb2aff4 | 1883 | const char *ssl_protocol_to_string(int version); |
7d650072 | 1884 | |
0f113f3e | 1885 | # ifndef OPENSSL_UNIT_TEST |
e0fc7961 | 1886 | |
d02b48c6 RE |
1887 | void ssl_clear_cipher_ctx(SSL *s); |
1888 | int ssl_clear_bad_session(SSL *s); | |
4bcdb4a6 MC |
1889 | __owur CERT *ssl_cert_new(void); |
1890 | __owur CERT *ssl_cert_dup(CERT *cert); | |
a5ee80b9 | 1891 | void ssl_cert_clear_certs(CERT *c); |
d02b48c6 | 1892 | void ssl_cert_free(CERT *c); |
4bcdb4a6 | 1893 | __owur int ssl_get_new_session(SSL *s, int session); |
b3e2272c EK |
1894 | __owur int ssl_get_prev_session(SSL *s, const PACKET *ext, |
1895 | const PACKET *session_id); | |
98ece4ee | 1896 | __owur SSL_SESSION *ssl_session_dup(SSL_SESSION *src, int ticket); |
4bcdb4a6 | 1897 | __owur int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b); |
0f113f3e | 1898 | DECLARE_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, ssl_cipher_id); |
4bcdb4a6 | 1899 | __owur int ssl_cipher_ptr_id_cmp(const SSL_CIPHER *const *ap, |
0f113f3e | 1900 | const SSL_CIPHER *const *bp); |
4bcdb4a6 | 1901 | __owur STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *meth, |
0f113f3e MC |
1902 | STACK_OF(SSL_CIPHER) **pref, |
1903 | STACK_OF(SSL_CIPHER) **sorted, | |
1904 | const char *rule_str, CERT *c); | |
d02b48c6 | 1905 | void ssl_update_cache(SSL *s, int mode); |
4bcdb4a6 | 1906 | __owur int ssl_cipher_get_evp(const SSL_SESSION *s, const EVP_CIPHER **enc, |
0f113f3e MC |
1907 | const EVP_MD **md, int *mac_pkey_type, |
1908 | int *mac_secret_size, SSL_COMP **comp, int use_etm); | |
4bcdb4a6 MC |
1909 | __owur int ssl_cipher_get_cert_index(const SSL_CIPHER *c); |
1910 | __owur const SSL_CIPHER *ssl_get_cipher_by_char(SSL *ssl, const unsigned char *ptr); | |
1911 | __owur int ssl_cert_set0_chain(SSL *s, SSL_CTX *ctx, STACK_OF(X509) *chain); | |
1912 | __owur int ssl_cert_set1_chain(SSL *s, SSL_CTX *ctx, STACK_OF(X509) *chain); | |
1913 | __owur int ssl_cert_add0_chain_cert(SSL *s, SSL_CTX *ctx, X509 *x); | |
1914 | __owur int ssl_cert_add1_chain_cert(SSL *s, SSL_CTX *ctx, X509 *x); | |
1915 | __owur int ssl_cert_select_current(CERT *c, X509 *x); | |
1916 | __owur int ssl_cert_set_current(CERT *c, long arg); | |
1917 | __owur X509 *ssl_cert_get0_next_certificate(CERT *c, int first); | |
0f113f3e MC |
1918 | void ssl_cert_set_cert_cb(CERT *c, int (*cb) (SSL *ssl, void *arg), |
1919 | void *arg); | |
f71c6e52 | 1920 | |
4bcdb4a6 MC |
1921 | __owur int ssl_verify_cert_chain(SSL *s, STACK_OF(X509) *sk); |
1922 | __owur int ssl_add_cert_chain(SSL *s, CERT_PKEY *cpk, unsigned long *l); | |
1923 | __owur int ssl_build_cert_chain(SSL *s, SSL_CTX *ctx, int flags); | |
1924 | __owur int ssl_cert_set_cert_store(CERT *c, X509_STORE *store, int chain, int ref); | |
b362ccab | 1925 | |
e4646a89 KR |
1926 | __owur int ssl_security(const SSL *s, int op, int bits, int nid, void *other); |
1927 | __owur int ssl_ctx_security(const SSL_CTX *ctx, int op, int bits, int nid, void *other); | |
b362ccab | 1928 | |
d02b48c6 | 1929 | int ssl_undefined_function(SSL *s); |
4bcdb4a6 MC |
1930 | __owur int ssl_undefined_void_function(void); |
1931 | __owur int ssl_undefined_const_function(const SSL *s); | |
6383d316 | 1932 | __owur CERT_PKEY *ssl_get_server_send_pkey(SSL *s); |
4bcdb4a6 | 1933 | __owur int ssl_get_server_cert_serverinfo(SSL *s, const unsigned char **serverinfo, |
0f113f3e | 1934 | size_t *serverinfo_length); |
4bcdb4a6 MC |
1935 | __owur EVP_PKEY *ssl_get_sign_pkey(SSL *s, const SSL_CIPHER *c, const EVP_MD **pmd); |
1936 | __owur int ssl_cert_type(X509 *x, EVP_PKEY *pkey); | |
2cf28d61 | 1937 | void ssl_set_masks(SSL *s); |
4bcdb4a6 MC |
1938 | __owur STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s); |
1939 | __owur int ssl_verify_alarm_type(long type); | |
748f2546 | 1940 | void ssl_sort_cipher_list(void); |
7f3c9036 | 1941 | void ssl_load_ciphers(void); |
4bcdb4a6 | 1942 | __owur int ssl_fill_hello_random(SSL *s, int server, unsigned char *field, int len); |
57b272b0 DSH |
1943 | __owur int ssl_generate_master_secret(SSL *s, unsigned char *pms, size_t pmslen, |
1944 | int free_pms); | |
3f3504bd DSH |
1945 | __owur EVP_PKEY *ssl_generate_pkey(EVP_PKEY *pm, int nid); |
1946 | __owur int ssl_derive(SSL *s, EVP_PKEY *privkey, EVP_PKEY *pubkey); | |
6c4e6670 | 1947 | __owur EVP_PKEY *ssl_dh_to_pkey(DH *dh); |
d02b48c6 | 1948 | |
4bcdb4a6 MC |
1949 | __owur const SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p); |
1950 | __owur int ssl3_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p); | |
d02b48c6 | 1951 | void ssl3_init_finished_mac(SSL *s); |
4bcdb4a6 | 1952 | __owur int ssl3_setup_key_block(SSL *s); |
4bcdb4a6 | 1953 | __owur int ssl3_change_cipher_state(SSL *s, int which); |
d02b48c6 | 1954 | void ssl3_cleanup_key_block(SSL *s); |
4bcdb4a6 | 1955 | __owur int ssl3_do_write(SSL *s, int type); |
0f113f3e | 1956 | int ssl3_send_alert(SSL *s, int level, int desc); |
4bcdb4a6 | 1957 | __owur int ssl3_generate_master_secret(SSL *s, unsigned char *out, |
0f113f3e | 1958 | unsigned char *p, int len); |
4bcdb4a6 | 1959 | __owur int ssl3_get_req_cert_type(SSL *s, unsigned char *p); |
4bcdb4a6 MC |
1960 | __owur int ssl3_num_ciphers(void); |
1961 | __owur const SSL_CIPHER *ssl3_get_cipher(unsigned int u); | |
0f113f3e MC |
1962 | int ssl3_renegotiate(SSL *ssl); |
1963 | int ssl3_renegotiate_check(SSL *ssl); | |
4bcdb4a6 | 1964 | __owur int ssl3_dispatch_alert(SSL *s); |
4bcdb4a6 | 1965 | __owur int ssl3_final_finish_mac(SSL *s, const char *sender, int slen, |
0f113f3e | 1966 | unsigned char *p); |
e778802f | 1967 | void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len); |
81025661 | 1968 | void ssl3_free_digest_list(SSL *s); |
4bcdb4a6 | 1969 | __owur unsigned long ssl3_output_cert_chain(SSL *s, CERT_PKEY *cpk); |
4a640fb6 DSH |
1970 | __owur const SSL_CIPHER *ssl3_choose_cipher(SSL *ssl, |
1971 | STACK_OF(SSL_CIPHER) *clnt, | |
1972 | STACK_OF(SSL_CIPHER) *srvr); | |
124037fd | 1973 | __owur int ssl3_digest_cached_records(SSL *s, int keep); |
4bcdb4a6 | 1974 | __owur int ssl3_new(SSL *s); |
0f113f3e | 1975 | void ssl3_free(SSL *s); |
4bcdb4a6 MC |
1976 | __owur int ssl3_read(SSL *s, void *buf, int len); |
1977 | __owur int ssl3_peek(SSL *s, void *buf, int len); | |
1978 | __owur int ssl3_write(SSL *s, const void *buf, int len); | |
1979 | __owur int ssl3_shutdown(SSL *s); | |
0f113f3e | 1980 | void ssl3_clear(SSL *s); |
4bcdb4a6 MC |
1981 | __owur long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg); |
1982 | __owur long ssl3_ctx_ctrl(SSL_CTX *s, int cmd, long larg, void *parg); | |
1983 | __owur long ssl3_callback_ctrl(SSL *s, int cmd, void (*fp) (void)); | |
1984 | __owur long ssl3_ctx_callback_ctrl(SSL_CTX *s, int cmd, void (*fp) (void)); | |
d02b48c6 | 1985 | |
4bcdb4a6 MC |
1986 | __owur int ssl3_do_change_cipher_spec(SSL *ssl); |
1987 | __owur long ssl3_default_timeout(void); | |
f3b656b2 | 1988 | |
77d514c5 | 1989 | __owur int ssl3_set_handshake_header(SSL *s, int htype, unsigned long len); |
4bcdb4a6 MC |
1990 | __owur int ssl3_handshake_write(SSL *s); |
1991 | ||
4bcdb4a6 MC |
1992 | __owur int ssl_allow_compression(SSL *s); |
1993 | ||
ccae4a15 FI |
1994 | __owur int ssl_version_supported(const SSL *s, int version); |
1995 | ||
4fa52141 VD |
1996 | __owur int ssl_set_client_hello_version(SSL *s); |
1997 | __owur int ssl_check_version_downgrade(SSL *s); | |
1998 | __owur int ssl_set_version_bound(int method_version, int version, int *bound); | |
1999 | __owur int ssl_choose_server_version(SSL *s); | |
2000 | __owur int ssl_choose_client_version(SSL *s, int version); | |
068c358a | 2001 | int ssl_get_client_min_max_version(const SSL *s, int *min_version, int *max_version); |
4fa52141 | 2002 | |
4bcdb4a6 MC |
2003 | __owur long tls1_default_timeout(void); |
2004 | __owur int dtls1_do_write(SSL *s, int type); | |
4bcdb4a6 | 2005 | void dtls1_set_message_header(SSL *s, |
a773b52a | 2006 | unsigned char mt, |
4bcdb4a6 MC |
2007 | unsigned long len, |
2008 | unsigned long frag_off, | |
2009 | unsigned long frag_len); | |
2010 | ||
2011 | __owur int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf, int len); | |
4bcdb4a6 | 2012 | |
4bcdb4a6 MC |
2013 | __owur int dtls1_read_failed(SSL *s, int code); |
2014 | __owur int dtls1_buffer_message(SSL *s, int ccs); | |
a773b52a | 2015 | __owur int dtls1_retransmit_message(SSL *s, unsigned short seq, int *found); |
4bcdb4a6 | 2016 | __owur int dtls1_get_queue_priority(unsigned short seq, int is_ccs); |
17dd65e6 | 2017 | int dtls1_retransmit_buffered_messages(SSL *s); |
480506bd | 2018 | void dtls1_clear_record_buffer(SSL *s); |
0f113f3e MC |
2019 | void dtls1_get_message_header(unsigned char *data, |
2020 | struct hm_header_st *msg_hdr); | |
4bcdb4a6 MC |
2021 | __owur long dtls1_default_timeout(void); |
2022 | __owur struct timeval *dtls1_get_timeout(SSL *s, struct timeval *timeleft); | |
2023 | __owur int dtls1_check_timeout_num(SSL *s); | |
2024 | __owur int dtls1_handle_timeout(SSL *s); | |
9289f21b DSH |
2025 | void dtls1_start_timer(SSL *s); |
2026 | void dtls1_stop_timer(SSL *s); | |
4bcdb4a6 | 2027 | __owur int dtls1_is_timer_expired(SSL *s); |
9289f21b | 2028 | void dtls1_double_timeout(SSL *s); |
8ba708e5 MC |
2029 | __owur unsigned int dtls_raw_hello_verify_request(unsigned char *buf, |
2030 | unsigned char *cookie, | |
2031 | unsigned char cookie_len); | |
4bcdb4a6 MC |
2032 | __owur int dtls1_send_newsession_ticket(SSL *s); |
2033 | __owur unsigned int dtls1_min_mtu(SSL *s); | |
8a35dbb6 | 2034 | void dtls1_hm_fragment_free(hm_fragment *frag); |
8ba708e5 | 2035 | __owur int dtls1_query_mtu(SSL *s); |
480506bd | 2036 | |
4bcdb4a6 | 2037 | __owur int tls1_new(SSL *s); |
58964a49 RE |
2038 | void tls1_free(SSL *s); |
2039 | void tls1_clear(SSL *s); | |
0f113f3e MC |
2040 | long tls1_ctrl(SSL *s, int cmd, long larg, void *parg); |
2041 | long tls1_callback_ctrl(SSL *s, int cmd, void (*fp) (void)); | |
58964a49 | 2042 | |
4bcdb4a6 | 2043 | __owur int dtls1_new(SSL *s); |
36d16f8e BL |
2044 | void dtls1_free(SSL *s); |
2045 | void dtls1_clear(SSL *s); | |
0f113f3e | 2046 | long dtls1_ctrl(SSL *s, int cmd, long larg, void *parg); |
4bcdb4a6 | 2047 | __owur int dtls1_shutdown(SSL *s); |
36d16f8e | 2048 | |
4bcdb4a6 | 2049 | __owur int dtls1_dispatch_alert(SSL *s); |
36d16f8e | 2050 | |
4bcdb4a6 | 2051 | __owur int ssl_init_wbio_buffer(SSL *s, int push); |
413c4f45 | 2052 | void ssl_free_wbio_buffer(SSL *s); |
58964a49 | 2053 | |
4bcdb4a6 MC |
2054 | __owur int tls1_change_cipher_state(SSL *s, int which); |
2055 | __owur int tls1_setup_key_block(SSL *s); | |
4bcdb4a6 | 2056 | __owur int tls1_final_finish_mac(SSL *s, |
0f113f3e | 2057 | const char *str, int slen, unsigned char *p); |
4bcdb4a6 | 2058 | __owur int tls1_generate_master_secret(SSL *s, unsigned char *out, |
0f113f3e | 2059 | unsigned char *p, int len); |
4bcdb4a6 | 2060 | __owur int tls1_export_keying_material(SSL *s, unsigned char *out, size_t olen, |
0f113f3e MC |
2061 | const char *label, size_t llen, |
2062 | const unsigned char *p, size_t plen, | |
2063 | int use_context); | |
4bcdb4a6 MC |
2064 | __owur int tls1_alert_code(int code); |
2065 | __owur int ssl3_alert_code(int code); | |
2066 | __owur int ssl_ok(SSL *s); | |
58964a49 | 2067 | |
10bf4fc2 | 2068 | # ifndef OPENSSL_NO_EC |
4bcdb4a6 | 2069 | __owur int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s); |
0f113f3e | 2070 | # endif |
41fdcfa7 | 2071 | |
f73e07cf | 2072 | SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n); |
413c4f45 | 2073 | |
0f113f3e | 2074 | # ifndef OPENSSL_NO_EC |
4bcdb4a6 MC |
2075 | __owur int tls1_ec_curve_id2nid(int curve_id); |
2076 | __owur int tls1_ec_nid2curve_id(int nid); | |
2077 | __owur int tls1_check_curve(SSL *s, const unsigned char *p, size_t len); | |
2078 | __owur int tls1_shared_curve(SSL *s, int nmatch); | |
2079 | __owur int tls1_set_curves(unsigned char **pext, size_t *pextlen, | |
0f113f3e | 2080 | int *curves, size_t ncurves); |
4bcdb4a6 | 2081 | __owur int tls1_set_curves_list(unsigned char **pext, size_t *pextlen, |
0f113f3e | 2082 | const char *str); |
4bcdb4a6 | 2083 | __owur int tls1_check_ec_tmp_key(SSL *s, unsigned long id); |
0f113f3e | 2084 | # endif /* OPENSSL_NO_EC */ |
33273721 | 2085 | |
4bcdb4a6 | 2086 | __owur int tls1_shared_list(SSL *s, |
0f113f3e MC |
2087 | const unsigned char *l1, size_t l1len, |
2088 | const unsigned char *l2, size_t l2len, int nmatch); | |
4bcdb4a6 | 2089 | __owur unsigned char *ssl_add_clienthello_tlsext(SSL *s, unsigned char *buf, |
0f113f3e | 2090 | unsigned char *limit, int *al); |
4bcdb4a6 | 2091 | __owur unsigned char *ssl_add_serverhello_tlsext(SSL *s, unsigned char *buf, |
0f113f3e | 2092 | unsigned char *limit, int *al); |
9ceb2426 | 2093 | __owur int ssl_parse_clienthello_tlsext(SSL *s, PACKET *pkt); |
a0f63828 | 2094 | void ssl_set_default_md(SSL *s); |
4bcdb4a6 MC |
2095 | __owur int tls1_set_server_sigalgs(SSL *s); |
2096 | __owur int ssl_check_clienthello_tlsext_late(SSL *s); | |
50932c4a | 2097 | __owur int ssl_parse_serverhello_tlsext(SSL *s, PACKET *pkt); |
4bcdb4a6 MC |
2098 | __owur int ssl_prepare_clienthello_tlsext(SSL *s); |
2099 | __owur int ssl_prepare_serverhello_tlsext(SSL *s); | |
49968440 | 2100 | |
e481f9b9 | 2101 | # ifndef OPENSSL_NO_HEARTBEATS |
4bcdb4a6 | 2102 | __owur int dtls1_heartbeat(SSL *s); |
2c60ed04 | 2103 | __owur int dtls1_process_heartbeat(SSL *s, unsigned char *p, unsigned int length); |
e481f9b9 | 2104 | # endif |
4817504d | 2105 | |
e7f0d921 DSH |
2106 | __owur int tls_check_serverhello_tlsext_early(SSL *s, const PACKET *ext, |
2107 | const PACKET *session_id, | |
2108 | SSL_SESSION **ret); | |
a2f9200f | 2109 | |
4bcdb4a6 | 2110 | __owur int tls12_get_sigandhash(unsigned char *p, const EVP_PKEY *pk, |
0f113f3e | 2111 | const EVP_MD *md); |
4bcdb4a6 MC |
2112 | __owur int tls12_get_sigid(const EVP_PKEY *pk); |
2113 | __owur const EVP_MD *tls12_get_hash(unsigned char hash_alg); | |
90d9e49a | 2114 | void ssl_set_sig_mask(uint32_t *pmask_a, SSL *s, int op); |
a2f9200f | 2115 | |
4bcdb4a6 MC |
2116 | __owur int tls1_set_sigalgs_list(CERT *c, const char *str, int client); |
2117 | __owur int tls1_set_sigalgs(CERT *c, const int *salg, size_t salglen, int client); | |
17dd65e6 | 2118 | int tls1_check_chain(SSL *s, X509 *x, EVP_PKEY *pk, STACK_OF(X509) *chain, |
0f113f3e | 2119 | int idx); |
d61ff83b | 2120 | void tls1_set_cert_validity(SSL *s); |
0f229cce | 2121 | |
ed29e82a | 2122 | #ifndef OPENSSL_NO_CT |
4d482ee2 | 2123 | __owur int ssl_validate_ct(SSL *s); |
ed29e82a RP |
2124 | #endif |
2125 | ||
0f113f3e | 2126 | # ifndef OPENSSL_NO_DH |
4bcdb4a6 | 2127 | __owur DH *ssl_get_auto_dh(SSL *s); |
0f113f3e | 2128 | # endif |
b362ccab | 2129 | |
4bcdb4a6 MC |
2130 | __owur int ssl_security_cert(SSL *s, SSL_CTX *ctx, X509 *x, int vfy, int is_ee); |
2131 | __owur int ssl_security_cert_chain(SSL *s, STACK_OF(X509) *sk, X509 *ex, int vfy); | |
b362ccab | 2132 | |
4bcdb4a6 | 2133 | __owur EVP_MD_CTX *ssl_replace_hash(EVP_MD_CTX **hash, const EVP_MD *md); |
b948e2c5 | 2134 | void ssl_clear_hash_ctx(EVP_MD_CTX **hash); |
4bcdb4a6 | 2135 | __owur int ssl_add_serverhello_renegotiate_ext(SSL *s, unsigned char *p, int *len, |
0f113f3e | 2136 | int maxlen); |
50932c4a | 2137 | __owur int ssl_parse_serverhello_renegotiate_ext(SSL *s, PACKET *pkt, |
0f113f3e | 2138 | int *al); |
4bcdb4a6 | 2139 | __owur int ssl_add_clienthello_renegotiate_ext(SSL *s, unsigned char *p, int *len, |
0f113f3e | 2140 | int maxlen); |
9ceb2426 | 2141 | __owur int ssl_parse_clienthello_renegotiate_ext(SSL *s, PACKET *pkt, int *al); |
4bcdb4a6 MC |
2142 | __owur long ssl_get_algorithm2(SSL *s); |
2143 | __owur size_t tls12_copy_sigalgs(SSL *s, unsigned char *out, | |
0f113f3e | 2144 | const unsigned char *psig, size_t psiglen); |
4bcdb4a6 MC |
2145 | __owur int tls1_save_sigalgs(SSL *s, const unsigned char *data, int dsize); |
2146 | __owur int tls1_process_sigalgs(SSL *s); | |
2147 | __owur size_t tls12_get_psigalgs(SSL *s, const unsigned char **psigs); | |
2148 | __owur int tls12_check_peer_sigalg(const EVP_MD **pmd, SSL *s, | |
0f113f3e | 2149 | const unsigned char *sig, EVP_PKEY *pkey); |
b7bfe69b | 2150 | void ssl_set_client_disabled(SSL *s); |
4bcdb4a6 | 2151 | __owur int ssl_cipher_disabled(SSL *s, const SSL_CIPHER *c, int op); |
1c78c43b | 2152 | |
4bcdb4a6 | 2153 | __owur int ssl_add_clienthello_use_srtp_ext(SSL *s, unsigned char *p, int *len, |
0f113f3e | 2154 | int maxlen); |
9ceb2426 | 2155 | __owur int ssl_parse_clienthello_use_srtp_ext(SSL *s, PACKET *pkt, int *al); |
4bcdb4a6 | 2156 | __owur int ssl_add_serverhello_use_srtp_ext(SSL *s, unsigned char *p, int *len, |
0f113f3e | 2157 | int maxlen); |
50932c4a | 2158 | __owur int ssl_parse_serverhello_use_srtp_ext(SSL *s, PACKET *pkt, int *al); |
1c78c43b | 2159 | |
4bcdb4a6 | 2160 | __owur int ssl_handshake_hash(SSL *s, unsigned char *out, int outlen); |
152fbc28 | 2161 | __owur const EVP_MD *ssl_md(int idx); |
28ba2541 DSH |
2162 | __owur const EVP_MD *ssl_handshake_md(SSL *s); |
2163 | __owur const EVP_MD *ssl_prf_md(SSL *s); | |
48fbcbac | 2164 | |
2acc020b | 2165 | /* s3_cbc.c */ |
4bcdb4a6 | 2166 | __owur char ssl3_cbc_record_digest_supported(const EVP_MD_CTX *ctx); |
5f3d93e4 MC |
2167 | __owur int ssl3_cbc_digest_record(const EVP_MD_CTX *ctx, |
2168 | unsigned char *md_out, | |
2169 | size_t *md_out_size, | |
2170 | const unsigned char header[13], | |
2171 | const unsigned char *data, | |
2172 | size_t data_plus_mac_size, | |
2173 | size_t data_plus_mac_plus_padding_size, | |
2174 | const unsigned char *mac_secret, | |
2175 | unsigned mac_secret_length, char is_sslv3); | |
0f113f3e MC |
2176 | |
2177 | void tls_fips_digest_extra(const EVP_CIPHER_CTX *cipher_ctx, | |
2178 | EVP_MD_CTX *mac_ctx, const unsigned char *data, | |
2179 | size_t data_len, size_t orig_len); | |
0989790b | 2180 | |
57b272b0 DSH |
2181 | __owur int srp_generate_server_master_secret(SSL *s); |
2182 | __owur int srp_generate_client_master_secret(SSL *s); | |
4bcdb4a6 | 2183 | __owur int srp_verify_server_param(SSL *s, int *al); |
0989790b | 2184 | |
ecf4d660 DSH |
2185 | /* t1_ext.c */ |
2186 | ||
28ea0a0c DSH |
2187 | void custom_ext_init(custom_ext_methods *meths); |
2188 | ||
4bcdb4a6 | 2189 | __owur int custom_ext_parse(SSL *s, int server, |
0f113f3e MC |
2190 | unsigned int ext_type, |
2191 | const unsigned char *ext_data, size_t ext_size, int *al); | |
4bcdb4a6 | 2192 | __owur int custom_ext_add(SSL *s, int server, |
0f113f3e | 2193 | unsigned char **pret, unsigned char *limit, int *al); |
ecf4d660 | 2194 | |
4bcdb4a6 | 2195 | __owur int custom_exts_copy(custom_ext_methods *dst, const custom_ext_methods *src); |
ecf4d660 DSH |
2196 | void custom_exts_free(custom_ext_methods *exts); |
2197 | ||
342c21cd | 2198 | void int_ssl_comp_free_compression_methods(void); |
03b0e735 | 2199 | |
0f113f3e | 2200 | # else |
e0fc7961 | 2201 | |
0f113f3e MC |
2202 | # define ssl_init_wbio_buffer SSL_test_functions()->p_ssl_init_wbio_buffer |
2203 | # define ssl3_setup_buffers SSL_test_functions()->p_ssl3_setup_buffers | |
0f113f3e | 2204 | # define dtls1_process_heartbeat SSL_test_functions()->p_dtls1_process_heartbeat |
c4e6fb15 | 2205 | |
0f113f3e | 2206 | # endif |
e0fc7961 | 2207 | #endif |