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d02b48c6 | 1 | /* ssl/ssl_locl.h */ |
58964a49 | 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
3 | * All rights reserved. |
4 | * | |
5 | * This package is an SSL implementation written | |
6 | * by Eric Young (eay@cryptsoft.com). | |
7 | * The implementation was written so as to conform with Netscapes SSL. | |
0f113f3e | 8 | * |
d02b48c6 RE |
9 | * This library is free for commercial and non-commercial use as long as |
10 | * the following conditions are aheared to. The following conditions | |
11 | * apply to all code found in this distribution, be it the RC4, RSA, | |
12 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation | |
13 | * included with this distribution is covered by the same copyright terms | |
14 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). | |
0f113f3e | 15 | * |
d02b48c6 RE |
16 | * Copyright remains Eric Young's, and as such any Copyright notices in |
17 | * the code are not to be removed. | |
18 | * If this package is used in a product, Eric Young should be given attribution | |
19 | * as the author of the parts of the library used. | |
20 | * This can be in the form of a textual message at program startup or | |
21 | * in documentation (online or textual) provided with the package. | |
0f113f3e | 22 | * |
d02b48c6 RE |
23 | * Redistribution and use in source and binary forms, with or without |
24 | * modification, are permitted provided that the following conditions | |
25 | * are met: | |
26 | * 1. Redistributions of source code must retain the copyright | |
27 | * notice, this list of conditions and the following disclaimer. | |
28 | * 2. Redistributions in binary form must reproduce the above copyright | |
29 | * notice, this list of conditions and the following disclaimer in the | |
30 | * documentation and/or other materials provided with the distribution. | |
31 | * 3. All advertising materials mentioning features or use of this software | |
32 | * must display the following acknowledgement: | |
33 | * "This product includes cryptographic software written by | |
34 | * Eric Young (eay@cryptsoft.com)" | |
35 | * The word 'cryptographic' can be left out if the rouines from the library | |
36 | * being used are not cryptographic related :-). | |
0f113f3e | 37 | * 4. If you include any Windows specific code (or a derivative thereof) from |
d02b48c6 RE |
38 | * the apps directory (application code) you must include an acknowledgement: |
39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
0f113f3e | 40 | * |
d02b48c6 RE |
41 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
42 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
43 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
44 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
45 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
46 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
47 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
48 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
49 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
50 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
51 | * SUCH DAMAGE. | |
0f113f3e | 52 | * |
d02b48c6 RE |
53 | * The licence and distribution terms for any publically available version or |
54 | * derivative of this code cannot be changed. i.e. this code cannot simply be | |
55 | * copied and put under another distribution licence | |
56 | * [including the GNU Public Licence.] | |
57 | */ | |
5a4fbc69 | 58 | /* ==================================================================== |
52b8dad8 | 59 | * Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved. |
5a4fbc69 BM |
60 | * |
61 | * Redistribution and use in source and binary forms, with or without | |
62 | * modification, are permitted provided that the following conditions | |
63 | * are met: | |
64 | * | |
65 | * 1. Redistributions of source code must retain the above copyright | |
0f113f3e | 66 | * notice, this list of conditions and the following disclaimer. |
5a4fbc69 BM |
67 | * |
68 | * 2. Redistributions in binary form must reproduce the above copyright | |
69 | * notice, this list of conditions and the following disclaimer in | |
70 | * the documentation and/or other materials provided with the | |
71 | * distribution. | |
72 | * | |
73 | * 3. All advertising materials mentioning features or use of this | |
74 | * software must display the following acknowledgment: | |
75 | * "This product includes software developed by the OpenSSL Project | |
76 | * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" | |
77 | * | |
78 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
79 | * endorse or promote products derived from this software without | |
80 | * prior written permission. For written permission, please contact | |
81 | * openssl-core@openssl.org. | |
82 | * | |
83 | * 5. Products derived from this software may not be called "OpenSSL" | |
84 | * nor may "OpenSSL" appear in their names without prior written | |
85 | * permission of the OpenSSL Project. | |
86 | * | |
87 | * 6. Redistributions of any form whatsoever must retain the following | |
88 | * acknowledgment: | |
89 | * "This product includes software developed by the OpenSSL Project | |
90 | * for use in the OpenSSL Toolkit (http://www.openssl.org/)" | |
91 | * | |
92 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
93 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
94 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
95 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
96 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
97 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
98 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
99 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
100 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
101 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
102 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
103 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
104 | * ==================================================================== | |
105 | * | |
106 | * This product includes cryptographic software written by Eric Young | |
107 | * (eay@cryptsoft.com). This product includes software written by Tim | |
108 | * Hudson (tjh@cryptsoft.com). | |
109 | * | |
110 | */ | |
ea262260 BM |
111 | /* ==================================================================== |
112 | * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. | |
0f113f3e | 113 | * ECC cipher suite support in OpenSSL originally developed by |
ea262260 BM |
114 | * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project. |
115 | */ | |
ddac1974 NL |
116 | /* ==================================================================== |
117 | * Copyright 2005 Nokia. All rights reserved. | |
118 | * | |
119 | * The portions of the attached software ("Contribution") is developed by | |
120 | * Nokia Corporation and is licensed pursuant to the OpenSSL open source | |
121 | * license. | |
122 | * | |
123 | * The Contribution, originally written by Mika Kousa and Pasi Eronen of | |
124 | * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites | |
125 | * support (see RFC 4279) to OpenSSL. | |
126 | * | |
127 | * No patent licenses or other rights except those expressly stated in | |
128 | * the OpenSSL open source license shall be deemed granted or received | |
129 | * expressly, by implication, estoppel, or otherwise. | |
130 | * | |
131 | * No assurances are provided by Nokia that the Contribution does not | |
132 | * infringe the patent or other intellectual property rights of any third | |
133 | * party or that the license provides you with all the necessary rights | |
134 | * to make use of the Contribution. | |
135 | * | |
136 | * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN | |
137 | * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA | |
138 | * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY | |
139 | * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR | |
140 | * OTHERWISE. | |
141 | */ | |
d02b48c6 RE |
142 | |
143 | #ifndef HEADER_SSL_LOCL_H | |
0f113f3e MC |
144 | # define HEADER_SSL_LOCL_H |
145 | # include <stdlib.h> | |
146 | # include <time.h> | |
147 | # include <string.h> | |
148 | # include <errno.h> | |
d02b48c6 | 149 | |
0f113f3e | 150 | # include "e_os.h" |
d02b48c6 | 151 | |
0f113f3e MC |
152 | # include <openssl/buffer.h> |
153 | # ifndef OPENSSL_NO_COMP | |
154 | # include <openssl/comp.h> | |
155 | # endif | |
156 | # include <openssl/bio.h> | |
157 | # include <openssl/stack.h> | |
158 | # ifndef OPENSSL_NO_RSA | |
159 | # include <openssl/rsa.h> | |
160 | # endif | |
161 | # ifndef OPENSSL_NO_DSA | |
162 | # include <openssl/dsa.h> | |
163 | # endif | |
164 | # include <openssl/err.h> | |
165 | # include <openssl/ssl.h> | |
166 | # include <openssl/symhacks.h> | |
d02b48c6 | 167 | |
28d59af8 | 168 | #include "record/ssl3_buffer.h" |
258f8721 | 169 | #include "record/ssl3_record.h" |
33d23b87 | 170 | #include "record/rec_layer.h" |
52e1d7b1 | 171 | |
0f113f3e MC |
172 | # ifdef OPENSSL_BUILD_SHLIBSSL |
173 | # undef OPENSSL_EXTERN | |
174 | # define OPENSSL_EXTERN OPENSSL_EXPORT | |
175 | # endif | |
26da3e65 | 176 | |
0f113f3e | 177 | # undef PKCS1_CHECK |
d02b48c6 | 178 | |
0f113f3e MC |
179 | # define c2l(c,l) (l = ((unsigned long)(*((c)++))) , \ |
180 | l|=(((unsigned long)(*((c)++)))<< 8), \ | |
181 | l|=(((unsigned long)(*((c)++)))<<16), \ | |
182 | l|=(((unsigned long)(*((c)++)))<<24)) | |
d02b48c6 RE |
183 | |
184 | /* NOTE - c is not incremented as per c2l */ | |
0f113f3e MC |
185 | # define c2ln(c,l1,l2,n) { \ |
186 | c+=n; \ | |
187 | l1=l2=0; \ | |
188 | switch (n) { \ | |
189 | case 8: l2 =((unsigned long)(*(--(c))))<<24; \ | |
190 | case 7: l2|=((unsigned long)(*(--(c))))<<16; \ | |
191 | case 6: l2|=((unsigned long)(*(--(c))))<< 8; \ | |
192 | case 5: l2|=((unsigned long)(*(--(c)))); \ | |
193 | case 4: l1 =((unsigned long)(*(--(c))))<<24; \ | |
194 | case 3: l1|=((unsigned long)(*(--(c))))<<16; \ | |
195 | case 2: l1|=((unsigned long)(*(--(c))))<< 8; \ | |
196 | case 1: l1|=((unsigned long)(*(--(c)))); \ | |
197 | } \ | |
198 | } | |
199 | ||
200 | # define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \ | |
201 | *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ | |
202 | *((c)++)=(unsigned char)(((l)>>16)&0xff), \ | |
203 | *((c)++)=(unsigned char)(((l)>>24)&0xff)) | |
204 | ||
205 | # define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24, \ | |
206 | l|=((unsigned long)(*((c)++)))<<16, \ | |
207 | l|=((unsigned long)(*((c)++)))<< 8, \ | |
208 | l|=((unsigned long)(*((c)++)))) | |
209 | ||
210 | # define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24)&0xff), \ | |
211 | *((c)++)=(unsigned char)(((l)>>16)&0xff), \ | |
212 | *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ | |
213 | *((c)++)=(unsigned char)(((l) )&0xff)) | |
214 | ||
215 | # define l2n6(l,c) (*((c)++)=(unsigned char)(((l)>>40)&0xff), \ | |
216 | *((c)++)=(unsigned char)(((l)>>32)&0xff), \ | |
217 | *((c)++)=(unsigned char)(((l)>>24)&0xff), \ | |
218 | *((c)++)=(unsigned char)(((l)>>16)&0xff), \ | |
219 | *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ | |
220 | *((c)++)=(unsigned char)(((l) )&0xff)) | |
221 | ||
222 | # define l2n8(l,c) (*((c)++)=(unsigned char)(((l)>>56)&0xff), \ | |
223 | *((c)++)=(unsigned char)(((l)>>48)&0xff), \ | |
224 | *((c)++)=(unsigned char)(((l)>>40)&0xff), \ | |
225 | *((c)++)=(unsigned char)(((l)>>32)&0xff), \ | |
226 | *((c)++)=(unsigned char)(((l)>>24)&0xff), \ | |
227 | *((c)++)=(unsigned char)(((l)>>16)&0xff), \ | |
228 | *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ | |
229 | *((c)++)=(unsigned char)(((l) )&0xff)) | |
230 | ||
231 | # define n2l6(c,l) (l =((BN_ULLONG)(*((c)++)))<<40, \ | |
232 | l|=((BN_ULLONG)(*((c)++)))<<32, \ | |
233 | l|=((BN_ULLONG)(*((c)++)))<<24, \ | |
234 | l|=((BN_ULLONG)(*((c)++)))<<16, \ | |
235 | l|=((BN_ULLONG)(*((c)++)))<< 8, \ | |
236 | l|=((BN_ULLONG)(*((c)++)))) | |
36d16f8e | 237 | |
d02b48c6 | 238 | /* NOTE - c is not incremented as per l2c */ |
0f113f3e MC |
239 | # define l2cn(l1,l2,c,n) { \ |
240 | c+=n; \ | |
241 | switch (n) { \ | |
242 | case 8: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \ | |
243 | case 7: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \ | |
244 | case 6: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \ | |
245 | case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \ | |
246 | case 4: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \ | |
247 | case 3: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \ | |
248 | case 2: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \ | |
249 | case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \ | |
250 | } \ | |
251 | } | |
252 | ||
253 | # define n2s(c,s) ((s=(((unsigned int)(c[0]))<< 8)| \ | |
254 | (((unsigned int)(c[1])) )),c+=2) | |
255 | # define s2n(s,c) ((c[0]=(unsigned char)(((s)>> 8)&0xff), \ | |
256 | c[1]=(unsigned char)(((s) )&0xff)),c+=2) | |
257 | ||
258 | # define n2l3(c,l) ((l =(((unsigned long)(c[0]))<<16)| \ | |
259 | (((unsigned long)(c[1]))<< 8)| \ | |
260 | (((unsigned long)(c[2])) )),c+=3) | |
261 | ||
262 | # define l2n3(l,c) ((c[0]=(unsigned char)(((l)>>16)&0xff), \ | |
263 | c[1]=(unsigned char)(((l)>> 8)&0xff), \ | |
264 | c[2]=(unsigned char)(((l) )&0xff)),c+=3) | |
d02b48c6 RE |
265 | |
266 | /* LOCAL STUFF */ | |
267 | ||
0f113f3e MC |
268 | # define SSL_DECRYPT 0 |
269 | # define SSL_ENCRYPT 1 | |
d02b48c6 | 270 | |
0f113f3e MC |
271 | # define TWO_BYTE_BIT 0x80 |
272 | # define SEC_ESC_BIT 0x40 | |
273 | # define TWO_BYTE_MASK 0x7fff | |
274 | # define THREE_BYTE_MASK 0x3fff | |
d02b48c6 | 275 | |
0f113f3e MC |
276 | # define INC32(a) ((a)=((a)+1)&0xffffffffL) |
277 | # define DEC32(a) ((a)=((a)-1)&0xffffffffL) | |
278 | # define MAX_MAC_SIZE 20 /* up from 16 for SSLv3 */ | |
d02b48c6 | 279 | |
018e57c7 DSH |
280 | /* |
281 | * Define the Bitmasks for SSL_CIPHER.algorithms. | |
282 | * This bits are used packed as dense as possible. If new methods/ciphers | |
283 | * etc will be added, the bits a likely to change, so this information | |
284 | * is for internal library use only, even though SSL_CIPHER.algorithms | |
285 | * can be publicly accessed. | |
286 | * Use the according functions for cipher management instead. | |
287 | * | |
657e60fa | 288 | * The bit mask handling in the selection and sorting scheme in |
018e57c7 | 289 | * ssl_create_cipher_list() has only limited capabilities, reflecting |
657e60fa | 290 | * that the different entities within are mutually exclusive: |
018e57c7 DSH |
291 | * ONLY ONE BIT PER MASK CAN BE SET AT A TIME. |
292 | */ | |
52b8dad8 BM |
293 | |
294 | /* Bits for algorithm_mkey (key exchange algorithm) */ | |
68d39f3c | 295 | /* RSA key exchange */ |
0f113f3e | 296 | # define SSL_kRSA 0x00000001L |
68d39f3c | 297 | /* DH cert, RSA CA cert */ |
0f113f3e | 298 | # define SSL_kDHr 0x00000002L |
68d39f3c | 299 | /* DH cert, DSA CA cert */ |
0f113f3e | 300 | # define SSL_kDHd 0x00000004L |
68d39f3c | 301 | /* tmp DH key no DH cert */ |
0f113f3e | 302 | # define SSL_kDHE 0x00000008L |
68d39f3c | 303 | /* synonym */ |
0f113f3e | 304 | # define SSL_kEDH SSL_kDHE |
68d39f3c | 305 | /* Kerberos5 key exchange */ |
0f113f3e | 306 | # define SSL_kKRB5 0x00000010L |
68d39f3c | 307 | /* ECDH cert, RSA CA cert */ |
0f113f3e | 308 | # define SSL_kECDHr 0x00000020L |
68d39f3c | 309 | /* ECDH cert, ECDSA CA cert */ |
0f113f3e | 310 | # define SSL_kECDHe 0x00000040L |
68d39f3c | 311 | /* ephemeral ECDH */ |
0f113f3e | 312 | # define SSL_kECDHE 0x00000080L |
68d39f3c | 313 | /* synonym */ |
0f113f3e | 314 | # define SSL_kEECDH SSL_kECDHE |
68d39f3c | 315 | /* PSK */ |
0f113f3e | 316 | # define SSL_kPSK 0x00000100L |
68d39f3c | 317 | /* GOST key exchange */ |
0f113f3e | 318 | # define SSL_kGOST 0x00000200L |
68d39f3c | 319 | /* SRP */ |
0f113f3e | 320 | # define SSL_kSRP 0x00000400L |
52b8dad8 BM |
321 | |
322 | /* Bits for algorithm_auth (server authentication) */ | |
68d39f3c | 323 | /* RSA auth */ |
0f113f3e | 324 | # define SSL_aRSA 0x00000001L |
68d39f3c | 325 | /* DSS auth */ |
0f113f3e | 326 | # define SSL_aDSS 0x00000002L |
68d39f3c | 327 | /* no auth (i.e. use ADH or AECDH) */ |
0f113f3e | 328 | # define SSL_aNULL 0x00000004L |
68d39f3c | 329 | /* Fixed DH auth (kDHd or kDHr) */ |
0f113f3e | 330 | # define SSL_aDH 0x00000008L |
68d39f3c | 331 | /* Fixed ECDH auth (kECDHe or kECDHr) */ |
0f113f3e | 332 | # define SSL_aECDH 0x00000010L |
68d39f3c | 333 | /* KRB5 auth */ |
0f113f3e | 334 | # define SSL_aKRB5 0x00000020L |
68d39f3c | 335 | /* ECDSA auth*/ |
0f113f3e | 336 | # define SSL_aECDSA 0x00000040L |
68d39f3c | 337 | /* PSK auth */ |
0f113f3e | 338 | # define SSL_aPSK 0x00000080L |
68d39f3c | 339 | /* GOST R 34.10-94 signature auth */ |
0f113f3e | 340 | # define SSL_aGOST94 0x00000100L |
68d39f3c | 341 | /* GOST R 34.10-2001 signature auth */ |
0f113f3e | 342 | # define SSL_aGOST01 0x00000200L |
68d39f3c | 343 | /* SRP auth */ |
0f113f3e | 344 | # define SSL_aSRP 0x00000400L |
52b8dad8 BM |
345 | |
346 | /* Bits for algorithm_enc (symmetric encryption) */ | |
0f113f3e MC |
347 | # define SSL_DES 0x00000001L |
348 | # define SSL_3DES 0x00000002L | |
349 | # define SSL_RC4 0x00000004L | |
350 | # define SSL_RC2 0x00000008L | |
351 | # define SSL_IDEA 0x00000010L | |
352 | # define SSL_eNULL 0x00000020L | |
353 | # define SSL_AES128 0x00000040L | |
354 | # define SSL_AES256 0x00000080L | |
355 | # define SSL_CAMELLIA128 0x00000100L | |
356 | # define SSL_CAMELLIA256 0x00000200L | |
357 | # define SSL_eGOST2814789CNT 0x00000400L | |
358 | # define SSL_SEED 0x00000800L | |
359 | # define SSL_AES128GCM 0x00001000L | |
360 | # define SSL_AES256GCM 0x00002000L | |
361 | ||
362 | # define SSL_AES (SSL_AES128|SSL_AES256|SSL_AES128GCM|SSL_AES256GCM) | |
363 | # define SSL_CAMELLIA (SSL_CAMELLIA128|SSL_CAMELLIA256) | |
52b8dad8 BM |
364 | |
365 | /* Bits for algorithm_mac (symmetric authentication) */ | |
28dd49fa | 366 | |
0f113f3e MC |
367 | # define SSL_MD5 0x00000001L |
368 | # define SSL_SHA1 0x00000002L | |
369 | # define SSL_GOST94 0x00000004L | |
370 | # define SSL_GOST89MAC 0x00000008L | |
371 | # define SSL_SHA256 0x00000010L | |
372 | # define SSL_SHA384 0x00000020L | |
28dd49fa | 373 | /* Not a real MAC, just an indication it is part of cipher */ |
0f113f3e | 374 | # define SSL_AEAD 0x00000040L |
52b8dad8 BM |
375 | |
376 | /* Bits for algorithm_ssl (protocol version) */ | |
0f113f3e MC |
377 | # define SSL_SSLV3 0x00000002L |
378 | # define SSL_TLSV1 SSL_SSLV3/* for now */ | |
379 | # define SSL_TLSV1_2 0x00000004L | |
761772d7 BM |
380 | |
381 | /* Bits for algorithm2 (handshake digests and other extra flags) */ | |
81025661 | 382 | |
0f113f3e MC |
383 | # define SSL_HANDSHAKE_MAC_MD5 0x10 |
384 | # define SSL_HANDSHAKE_MAC_SHA 0x20 | |
385 | # define SSL_HANDSHAKE_MAC_GOST94 0x40 | |
386 | # define SSL_HANDSHAKE_MAC_SHA256 0x80 | |
387 | # define SSL_HANDSHAKE_MAC_SHA384 0x100 | |
388 | # define SSL_HANDSHAKE_MAC_DEFAULT (SSL_HANDSHAKE_MAC_MD5 | SSL_HANDSHAKE_MAC_SHA) | |
81025661 | 389 | |
0f113f3e MC |
390 | /* |
391 | * When adding new digest in the ssl_ciph.c and increment SSM_MD_NUM_IDX make | |
392 | * sure to update this constant too | |
393 | */ | |
394 | # define SSL_MAX_DIGEST 6 | |
761772d7 | 395 | |
0f113f3e MC |
396 | # define TLS1_PRF_DGST_SHIFT 10 |
397 | # define TLS1_PRF_MD5 (SSL_HANDSHAKE_MAC_MD5 << TLS1_PRF_DGST_SHIFT) | |
398 | # define TLS1_PRF_SHA1 (SSL_HANDSHAKE_MAC_SHA << TLS1_PRF_DGST_SHIFT) | |
399 | # define TLS1_PRF_SHA256 (SSL_HANDSHAKE_MAC_SHA256 << TLS1_PRF_DGST_SHIFT) | |
400 | # define TLS1_PRF_SHA384 (SSL_HANDSHAKE_MAC_SHA384 << TLS1_PRF_DGST_SHIFT) | |
401 | # define TLS1_PRF_GOST94 (SSL_HANDSHAKE_MAC_GOST94 << TLS1_PRF_DGST_SHIFT) | |
402 | # define TLS1_PRF (TLS1_PRF_MD5 | TLS1_PRF_SHA1) | |
761772d7 | 403 | |
0f113f3e MC |
404 | /* |
405 | * Stream MAC for GOST ciphersuites from cryptopro draft (currently this also | |
406 | * goes into algorithm2) | |
407 | */ | |
408 | # define TLS1_STREAM_MAC 0x04 | |
761772d7 | 409 | |
018e57c7 | 410 | /* |
657e60fa | 411 | * Export and cipher strength information. For each cipher we have to decide |
018e57c7 DSH |
412 | * whether it is exportable or not. This information is likely to change |
413 | * over time, since the export control rules are no static technical issue. | |
414 | * | |
415 | * Independent of the export flag the cipher strength is sorted into classes. | |
416 | * SSL_EXP40 was denoting the 40bit US export limit of past times, which now | |
417 | * is at 56bit (SSL_EXP56). If the exportable cipher class is going to change | |
657e60fa | 418 | * again (eg. to 64bit) the use of "SSL_EXP*" becomes blurred even more, |
018e57c7 DSH |
419 | * since SSL_EXP64 could be similar to SSL_LOW. |
420 | * For this reason SSL_MICRO and SSL_MINI macros are included to widen the | |
421 | * namespace of SSL_LOW-SSL_HIGH to lower values. As development of speed | |
422 | * and ciphers goes, another extension to SSL_SUPER and/or SSL_ULTRA would | |
423 | * be possible. | |
424 | */ | |
0f113f3e MC |
425 | # define SSL_EXP_MASK 0x00000003L |
426 | # define SSL_STRONG_MASK 0x000001fcL | |
427 | ||
428 | # define SSL_NOT_EXP 0x00000001L | |
429 | # define SSL_EXPORT 0x00000002L | |
430 | ||
431 | # define SSL_STRONG_NONE 0x00000004L | |
432 | # define SSL_EXP40 0x00000008L | |
433 | # define SSL_MICRO (SSL_EXP40) | |
434 | # define SSL_EXP56 0x00000010L | |
435 | # define SSL_MINI (SSL_EXP56) | |
436 | # define SSL_LOW 0x00000020L | |
437 | # define SSL_MEDIUM 0x00000040L | |
438 | # define SSL_HIGH 0x00000080L | |
439 | # define SSL_FIPS 0x00000100L | |
018e57c7 | 440 | |
96562f2f | 441 | /* we have used 000001ff - 23 bits left to go */ |
018e57c7 | 442 | |
1d97c843 | 443 | /*- |
018e57c7 DSH |
444 | * Macros to check the export status and cipher strength for export ciphers. |
445 | * Even though the macros for EXPORT and EXPORT40/56 have similar names, | |
446 | * their meaning is different: | |
447 | * *_EXPORT macros check the 'exportable' status. | |
448 | * *_EXPORT40/56 macros are used to check whether a certain cipher strength | |
449 | * is given. | |
450 | * Since the SSL_IS_EXPORT* and SSL_EXPORT* macros depend on the correct | |
451 | * algorithm structure element to be passed (algorithms, algo_strength) and no | |
452 | * typechecking can be done as they are all of type unsigned long, their | |
453 | * direct usage is discouraged. | |
454 | * Use the SSL_C_* macros instead. | |
455 | */ | |
0f113f3e MC |
456 | # define SSL_IS_EXPORT(a) ((a)&SSL_EXPORT) |
457 | # define SSL_IS_EXPORT56(a) ((a)&SSL_EXP56) | |
458 | # define SSL_IS_EXPORT40(a) ((a)&SSL_EXP40) | |
459 | # define SSL_C_IS_EXPORT(c) SSL_IS_EXPORT((c)->algo_strength) | |
460 | # define SSL_C_IS_EXPORT56(c) SSL_IS_EXPORT56((c)->algo_strength) | |
461 | # define SSL_C_IS_EXPORT40(c) SSL_IS_EXPORT40((c)->algo_strength) | |
462 | ||
463 | # define SSL_EXPORT_KEYLENGTH(a,s) (SSL_IS_EXPORT40(s) ? 5 : \ | |
464 | (a) == SSL_DES ? 8 : 7) | |
465 | # define SSL_EXPORT_PKEYLENGTH(a) (SSL_IS_EXPORT40(a) ? 512 : 1024) | |
466 | # define SSL_C_EXPORT_KEYLENGTH(c) SSL_EXPORT_KEYLENGTH((c)->algorithm_enc, \ | |
467 | (c)->algo_strength) | |
468 | # define SSL_C_EXPORT_PKEYLENGTH(c) SSL_EXPORT_PKEYLENGTH((c)->algo_strength) | |
d02b48c6 | 469 | |
890f2f8b | 470 | /* Check if an SSL structure is using DTLS */ |
0f113f3e | 471 | # define SSL_IS_DTLS(s) (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS) |
cbd64894 | 472 | /* See if we need explicit IV */ |
0f113f3e MC |
473 | # define SSL_USE_EXPLICIT_IV(s) \ |
474 | (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_EXPLICIT_IV) | |
475 | /* | |
476 | * See if we use signature algorithms extension and signature algorithm | |
477 | * before signatures. | |
cbd64894 | 478 | */ |
0f113f3e MC |
479 | # define SSL_USE_SIGALGS(s) \ |
480 | (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_SIGALGS) | |
481 | /* | |
482 | * Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2: may | |
483 | * apply to others in future. | |
4221c0dd | 484 | */ |
0f113f3e MC |
485 | # define SSL_USE_TLS1_2_CIPHERS(s) \ |
486 | (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_TLS1_2_CIPHERS) | |
487 | /* | |
488 | * Determine if a client can use TLS 1.2 ciphersuites: can't rely on method | |
1e2d4cb0 DSH |
489 | * flags because it may not be set to correct version yet. |
490 | */ | |
0f113f3e MC |
491 | # define SSL_CLIENT_USE_TLS1_2_CIPHERS(s) \ |
492 | ((SSL_IS_DTLS(s) && s->client_version <= DTLS1_2_VERSION) || \ | |
493 | (!SSL_IS_DTLS(s) && s->client_version >= TLS1_2_VERSION)) | |
494 | ||
495 | # ifdef TLSEXT_TYPE_encrypt_then_mac | |
496 | # define SSL_USE_ETM(s) (s->s3->flags & TLS1_FLAGS_ENCRYPT_THEN_MAC) | |
497 | # else | |
498 | # define SSL_USE_ETM(s) (0) | |
499 | # endif | |
5e3ff62c | 500 | |
d02b48c6 | 501 | /* Mostly for SSLv3 */ |
0f113f3e MC |
502 | # define SSL_PKEY_RSA_ENC 0 |
503 | # define SSL_PKEY_RSA_SIGN 1 | |
504 | # define SSL_PKEY_DSA_SIGN 2 | |
505 | # define SSL_PKEY_DH_RSA 3 | |
506 | # define SSL_PKEY_DH_DSA 4 | |
507 | # define SSL_PKEY_ECC 5 | |
508 | # define SSL_PKEY_GOST94 6 | |
509 | # define SSL_PKEY_GOST01 7 | |
510 | # define SSL_PKEY_NUM 8 | |
d02b48c6 | 511 | |
1d97c843 TH |
512 | /*- |
513 | * SSL_kRSA <- RSA_ENC | (RSA_TMP & RSA_SIGN) | | |
0f113f3e | 514 | * <- (EXPORT & (RSA_ENC | RSA_TMP) & RSA_SIGN) |
d02b48c6 | 515 | * SSL_kDH <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN) |
5a21cadb | 516 | * SSL_kDHE <- RSA_ENC | RSA_SIGN | DSA_SIGN |
d02b48c6 RE |
517 | * SSL_aRSA <- RSA_ENC | RSA_SIGN |
518 | * SSL_aDSS <- DSA_SIGN | |
519 | */ | |
520 | ||
23a22b4c | 521 | /*- |
0f113f3e MC |
522 | #define CERT_INVALID 0 |
523 | #define CERT_PUBLIC_KEY 1 | |
524 | #define CERT_PRIVATE_KEY 2 | |
d02b48c6 RE |
525 | */ |
526 | ||
b6ba4014 MC |
527 | /* used to hold info on the particular ciphers used */ |
528 | struct ssl_cipher_st { | |
529 | int valid; | |
530 | const char *name; /* text name */ | |
531 | unsigned long id; /* id, 4 bytes, first is version */ | |
532 | /* | |
533 | * changed in 0.9.9: these four used to be portions of a single value | |
534 | * 'algorithms' | |
535 | */ | |
536 | unsigned long algorithm_mkey; /* key exchange algorithm */ | |
537 | unsigned long algorithm_auth; /* server authentication */ | |
538 | unsigned long algorithm_enc; /* symmetric encryption */ | |
539 | unsigned long algorithm_mac; /* symmetric authentication */ | |
540 | unsigned long algorithm_ssl; /* (major) protocol version */ | |
541 | unsigned long algo_strength; /* strength and export flags */ | |
542 | unsigned long algorithm2; /* Extra flags */ | |
543 | int strength_bits; /* Number of bits really used */ | |
544 | int alg_bits; /* Number of bits for algorithm */ | |
545 | }; | |
546 | ||
547 | /* Used to hold functions for SSLv2 or SSLv3/TLSv1 functions */ | |
548 | struct ssl_method_st { | |
549 | int version; | |
550 | int (*ssl_new) (SSL *s); | |
551 | void (*ssl_clear) (SSL *s); | |
552 | void (*ssl_free) (SSL *s); | |
553 | int (*ssl_accept) (SSL *s); | |
554 | int (*ssl_connect) (SSL *s); | |
555 | int (*ssl_read) (SSL *s, void *buf, int len); | |
556 | int (*ssl_peek) (SSL *s, void *buf, int len); | |
557 | int (*ssl_write) (SSL *s, const void *buf, int len); | |
558 | int (*ssl_shutdown) (SSL *s); | |
559 | int (*ssl_renegotiate) (SSL *s); | |
560 | int (*ssl_renegotiate_check) (SSL *s); | |
561 | long (*ssl_get_message) (SSL *s, int st1, int stn, int mt, long | |
562 | max, int *ok); | |
563 | int (*ssl_read_bytes) (SSL *s, int type, unsigned char *buf, int len, | |
564 | int peek); | |
565 | int (*ssl_write_bytes) (SSL *s, int type, const void *buf_, int len); | |
566 | int (*ssl_dispatch_alert) (SSL *s); | |
567 | long (*ssl_ctrl) (SSL *s, int cmd, long larg, void *parg); | |
568 | long (*ssl_ctx_ctrl) (SSL_CTX *ctx, int cmd, long larg, void *parg); | |
569 | const SSL_CIPHER *(*get_cipher_by_char) (const unsigned char *ptr); | |
570 | int (*put_cipher_by_char) (const SSL_CIPHER *cipher, unsigned char *ptr); | |
571 | int (*ssl_pending) (const SSL *s); | |
572 | int (*num_ciphers) (void); | |
573 | const SSL_CIPHER *(*get_cipher) (unsigned ncipher); | |
574 | const struct ssl_method_st *(*get_ssl_method) (int version); | |
575 | long (*get_timeout) (void); | |
576 | const struct ssl3_enc_method *ssl3_enc; /* Extra SSLv3/TLS stuff */ | |
577 | int (*ssl_version) (void); | |
578 | long (*ssl_callback_ctrl) (SSL *s, int cb_id, void (*fp) (void)); | |
579 | long (*ssl_ctx_callback_ctrl) (SSL_CTX *s, int cb_id, void (*fp) (void)); | |
580 | }; | |
581 | ||
582 | /*- | |
583 | * Lets make this into an ASN.1 type structure as follows | |
584 | * SSL_SESSION_ID ::= SEQUENCE { | |
585 | * version INTEGER, -- structure version number | |
586 | * SSLversion INTEGER, -- SSL version number | |
587 | * Cipher OCTET STRING, -- the 3 byte cipher ID | |
588 | * Session_ID OCTET STRING, -- the Session ID | |
589 | * Master_key OCTET STRING, -- the master key | |
590 | * KRB5_principal OCTET STRING -- optional Kerberos principal | |
591 | * Key_Arg [ 0 ] IMPLICIT OCTET STRING, -- the optional Key argument | |
592 | * Time [ 1 ] EXPLICIT INTEGER, -- optional Start Time | |
593 | * Timeout [ 2 ] EXPLICIT INTEGER, -- optional Timeout ins seconds | |
594 | * Peer [ 3 ] EXPLICIT X509, -- optional Peer Certificate | |
595 | * Session_ID_context [ 4 ] EXPLICIT OCTET STRING, -- the Session ID context | |
596 | * Verify_result [ 5 ] EXPLICIT INTEGER, -- X509_V_... code for `Peer' | |
597 | * HostName [ 6 ] EXPLICIT OCTET STRING, -- optional HostName from servername TLS extension | |
598 | * PSK_identity_hint [ 7 ] EXPLICIT OCTET STRING, -- optional PSK identity hint | |
599 | * PSK_identity [ 8 ] EXPLICIT OCTET STRING, -- optional PSK identity | |
600 | * Ticket_lifetime_hint [9] EXPLICIT INTEGER, -- server's lifetime hint for session ticket | |
601 | * Ticket [10] EXPLICIT OCTET STRING, -- session ticket (clients only) | |
602 | * Compression_meth [11] EXPLICIT OCTET STRING, -- optional compression method | |
603 | * SRP_username [ 12 ] EXPLICIT OCTET STRING -- optional SRP username | |
6f152a15 | 604 | * flags [ 13 ] EXPLICIT INTEGER -- optional flags |
b6ba4014 MC |
605 | * } |
606 | * Look in ssl/ssl_asn1.c for more details | |
607 | * I'm using EXPLICIT tags so I can read the damn things using asn1parse :-). | |
608 | */ | |
609 | struct ssl_session_st { | |
610 | int ssl_version; /* what ssl version session info is being | |
611 | * kept in here? */ | |
612 | int master_key_length; | |
613 | unsigned char master_key[SSL_MAX_MASTER_KEY_LENGTH]; | |
614 | /* session_id - valid? */ | |
615 | unsigned int session_id_length; | |
616 | unsigned char session_id[SSL_MAX_SSL_SESSION_ID_LENGTH]; | |
617 | /* | |
618 | * this is used to determine whether the session is being reused in the | |
619 | * appropriate context. It is up to the application to set this, via | |
620 | * SSL_new | |
621 | */ | |
622 | unsigned int sid_ctx_length; | |
623 | unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH]; | |
624 | # ifndef OPENSSL_NO_KRB5 | |
625 | unsigned int krb5_client_princ_len; | |
626 | unsigned char krb5_client_princ[SSL_MAX_KRB5_PRINCIPAL_LENGTH]; | |
627 | # endif /* OPENSSL_NO_KRB5 */ | |
628 | # ifndef OPENSSL_NO_PSK | |
629 | char *psk_identity_hint; | |
630 | char *psk_identity; | |
631 | # endif | |
632 | /* | |
633 | * Used to indicate that session resumption is not allowed. Applications | |
634 | * can also set this bit for a new session via not_resumable_session_cb | |
635 | * to disable session caching and tickets. | |
636 | */ | |
637 | int not_resumable; | |
638 | /* The cert is the certificate used to establish this connection */ | |
639 | struct sess_cert_st /* SESS_CERT */ *sess_cert; | |
640 | /* | |
641 | * This is the cert for the other end. On clients, it will be the same as | |
642 | * sess_cert->peer_key->x509 (the latter is not enough as sess_cert is | |
643 | * not retained in the external representation of sessions, see | |
644 | * ssl_asn1.c). | |
645 | */ | |
646 | X509 *peer; | |
647 | /* | |
648 | * when app_verify_callback accepts a session where the peer's | |
649 | * certificate is not ok, we must remember the error for session reuse: | |
650 | */ | |
651 | long verify_result; /* only for servers */ | |
652 | int references; | |
653 | long timeout; | |
654 | long time; | |
655 | unsigned int compress_meth; /* Need to lookup the method */ | |
656 | const SSL_CIPHER *cipher; | |
657 | unsigned long cipher_id; /* when ASN.1 loaded, this needs to be used | |
658 | * to load the 'cipher' structure */ | |
659 | STACK_OF(SSL_CIPHER) *ciphers; /* shared ciphers? */ | |
660 | CRYPTO_EX_DATA ex_data; /* application specific data */ | |
661 | /* | |
662 | * These are used to make removal of session-ids more efficient and to | |
663 | * implement a maximum cache size. | |
664 | */ | |
665 | struct ssl_session_st *prev, *next; | |
666 | # ifndef OPENSSL_NO_TLSEXT | |
667 | char *tlsext_hostname; | |
668 | # ifndef OPENSSL_NO_EC | |
669 | size_t tlsext_ecpointformatlist_length; | |
670 | unsigned char *tlsext_ecpointformatlist; /* peer's list */ | |
671 | size_t tlsext_ellipticcurvelist_length; | |
672 | unsigned char *tlsext_ellipticcurvelist; /* peer's list */ | |
673 | # endif /* OPENSSL_NO_EC */ | |
674 | /* RFC4507 info */ | |
675 | unsigned char *tlsext_tick; /* Session ticket */ | |
676 | size_t tlsext_ticklen; /* Session ticket length */ | |
75ea3632 | 677 | unsigned long tlsext_tick_lifetime_hint; /* Session lifetime hint in seconds */ |
b6ba4014 MC |
678 | # endif |
679 | # ifndef OPENSSL_NO_SRP | |
680 | char *srp_username; | |
681 | # endif | |
6f152a15 | 682 | long flags; |
b6ba4014 MC |
683 | }; |
684 | ||
6f152a15 DSH |
685 | /* Extended master secret support */ |
686 | # define SSL_SESS_FLAG_EXTMS 0x1 | |
687 | ||
b6ba4014 MC |
688 | |
689 | # ifndef OPENSSL_NO_SRP | |
690 | ||
691 | typedef struct srp_ctx_st { | |
692 | /* param for all the callbacks */ | |
693 | void *SRP_cb_arg; | |
694 | /* set client Hello login callback */ | |
695 | int (*TLS_ext_srp_username_callback) (SSL *, int *, void *); | |
696 | /* set SRP N/g param callback for verification */ | |
697 | int (*SRP_verify_param_callback) (SSL *, void *); | |
698 | /* set SRP client passwd callback */ | |
699 | char *(*SRP_give_srp_client_pwd_callback) (SSL *, void *); | |
700 | char *login; | |
701 | BIGNUM *N, *g, *s, *B, *A; | |
702 | BIGNUM *a, *b, *v; | |
703 | char *info; | |
704 | int strength; | |
705 | unsigned long srp_Mask; | |
706 | } SRP_CTX; | |
707 | ||
708 | # endif | |
709 | ||
710 | ||
711 | struct ssl_comp_st { | |
712 | int id; | |
713 | const char *name; | |
714 | # ifndef OPENSSL_NO_COMP | |
715 | COMP_METHOD *method; | |
716 | # else | |
717 | char *method; | |
718 | # endif | |
719 | }; | |
720 | ||
721 | DECLARE_STACK_OF(SSL_COMP) | |
722 | DECLARE_LHASH_OF(SSL_SESSION); | |
723 | ||
724 | struct ssl_ctx_st { | |
725 | const SSL_METHOD *method; | |
726 | STACK_OF(SSL_CIPHER) *cipher_list; | |
727 | /* same as above but sorted for lookup */ | |
728 | STACK_OF(SSL_CIPHER) *cipher_list_by_id; | |
729 | struct x509_store_st /* X509_STORE */ *cert_store; | |
730 | LHASH_OF(SSL_SESSION) *sessions; | |
731 | /* | |
732 | * Most session-ids that will be cached, default is | |
733 | * SSL_SESSION_CACHE_MAX_SIZE_DEFAULT. 0 is unlimited. | |
734 | */ | |
735 | unsigned long session_cache_size; | |
736 | struct ssl_session_st *session_cache_head; | |
737 | struct ssl_session_st *session_cache_tail; | |
738 | /* | |
739 | * This can have one of 2 values, ored together, SSL_SESS_CACHE_CLIENT, | |
740 | * SSL_SESS_CACHE_SERVER, Default is SSL_SESSION_CACHE_SERVER, which | |
741 | * means only SSL_accept which cache SSL_SESSIONS. | |
742 | */ | |
743 | int session_cache_mode; | |
744 | /* | |
745 | * If timeout is not 0, it is the default timeout value set when | |
746 | * SSL_new() is called. This has been put in to make life easier to set | |
747 | * things up | |
748 | */ | |
749 | long session_timeout; | |
750 | /* | |
751 | * If this callback is not null, it will be called each time a session id | |
752 | * is added to the cache. If this function returns 1, it means that the | |
753 | * callback will do a SSL_SESSION_free() when it has finished using it. | |
754 | * Otherwise, on 0, it means the callback has finished with it. If | |
755 | * remove_session_cb is not null, it will be called when a session-id is | |
756 | * removed from the cache. After the call, OpenSSL will | |
757 | * SSL_SESSION_free() it. | |
758 | */ | |
759 | int (*new_session_cb) (struct ssl_st *ssl, SSL_SESSION *sess); | |
760 | void (*remove_session_cb) (struct ssl_ctx_st *ctx, SSL_SESSION *sess); | |
761 | SSL_SESSION *(*get_session_cb) (struct ssl_st *ssl, | |
762 | unsigned char *data, int len, int *copy); | |
763 | struct { | |
764 | int sess_connect; /* SSL new conn - started */ | |
765 | int sess_connect_renegotiate; /* SSL reneg - requested */ | |
766 | int sess_connect_good; /* SSL new conne/reneg - finished */ | |
767 | int sess_accept; /* SSL new accept - started */ | |
768 | int sess_accept_renegotiate; /* SSL reneg - requested */ | |
769 | int sess_accept_good; /* SSL accept/reneg - finished */ | |
770 | int sess_miss; /* session lookup misses */ | |
771 | int sess_timeout; /* reuse attempt on timeouted session */ | |
772 | int sess_cache_full; /* session removed due to full cache */ | |
773 | int sess_hit; /* session reuse actually done */ | |
774 | int sess_cb_hit; /* session-id that was not in the cache was | |
775 | * passed back via the callback. This | |
776 | * indicates that the application is | |
777 | * supplying session-id's from other | |
778 | * processes - spooky :-) */ | |
779 | } stats; | |
780 | ||
781 | int references; | |
782 | ||
783 | /* if defined, these override the X509_verify_cert() calls */ | |
784 | int (*app_verify_callback) (X509_STORE_CTX *, void *); | |
785 | void *app_verify_arg; | |
786 | /* | |
787 | * before OpenSSL 0.9.7, 'app_verify_arg' was ignored | |
788 | * ('app_verify_callback' was called with just one argument) | |
789 | */ | |
790 | ||
791 | /* Default password callback. */ | |
792 | pem_password_cb *default_passwd_callback; | |
793 | ||
794 | /* Default password callback user data. */ | |
795 | void *default_passwd_callback_userdata; | |
796 | ||
797 | /* get client cert callback */ | |
798 | int (*client_cert_cb) (SSL *ssl, X509 **x509, EVP_PKEY **pkey); | |
799 | ||
800 | /* cookie generate callback */ | |
801 | int (*app_gen_cookie_cb) (SSL *ssl, unsigned char *cookie, | |
802 | unsigned int *cookie_len); | |
803 | ||
804 | /* verify cookie callback */ | |
805 | int (*app_verify_cookie_cb) (SSL *ssl, unsigned char *cookie, | |
806 | unsigned int cookie_len); | |
807 | ||
808 | CRYPTO_EX_DATA ex_data; | |
809 | ||
810 | const EVP_MD *md5; /* For SSLv3/TLSv1 'ssl3-md5' */ | |
811 | const EVP_MD *sha1; /* For SSLv3/TLSv1 'ssl3->sha1' */ | |
812 | ||
813 | STACK_OF(X509) *extra_certs; | |
814 | STACK_OF(SSL_COMP) *comp_methods; /* stack of SSL_COMP, SSLv3/TLSv1 */ | |
815 | ||
816 | /* Default values used when no per-SSL value is defined follow */ | |
817 | ||
818 | /* used if SSL's info_callback is NULL */ | |
819 | void (*info_callback) (const SSL *ssl, int type, int val); | |
820 | ||
821 | /* what we put in client cert requests */ | |
822 | STACK_OF(X509_NAME) *client_CA; | |
823 | ||
824 | /* | |
825 | * Default values to use in SSL structures follow (these are copied by | |
826 | * SSL_new) | |
827 | */ | |
828 | ||
829 | unsigned long options; | |
830 | unsigned long mode; | |
831 | long max_cert_list; | |
832 | ||
833 | struct cert_st /* CERT */ *cert; | |
834 | int read_ahead; | |
835 | ||
836 | /* callback that allows applications to peek at protocol messages */ | |
837 | void (*msg_callback) (int write_p, int version, int content_type, | |
838 | const void *buf, size_t len, SSL *ssl, void *arg); | |
839 | void *msg_callback_arg; | |
840 | ||
841 | int verify_mode; | |
842 | unsigned int sid_ctx_length; | |
843 | unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH]; | |
844 | /* called 'verify_callback' in the SSL */ | |
845 | int (*default_verify_callback) (int ok, X509_STORE_CTX *ctx); | |
846 | ||
847 | /* Default generate session ID callback. */ | |
848 | GEN_SESSION_CB generate_session_id; | |
849 | ||
850 | X509_VERIFY_PARAM *param; | |
851 | ||
852 | int quiet_shutdown; | |
853 | ||
854 | /* | |
855 | * Maximum amount of data to send in one fragment. actual record size can | |
856 | * be more than this due to padding and MAC overheads. | |
857 | */ | |
858 | unsigned int max_send_fragment; | |
859 | ||
860 | # ifndef OPENSSL_NO_ENGINE | |
861 | /* | |
862 | * Engine to pass requests for client certs to | |
863 | */ | |
864 | ENGINE *client_cert_engine; | |
865 | # endif | |
866 | ||
867 | # ifndef OPENSSL_NO_TLSEXT | |
868 | /* TLS extensions servername callback */ | |
869 | int (*tlsext_servername_callback) (SSL *, int *, void *); | |
870 | void *tlsext_servername_arg; | |
871 | /* RFC 4507 session ticket keys */ | |
872 | unsigned char tlsext_tick_key_name[16]; | |
873 | unsigned char tlsext_tick_hmac_key[16]; | |
874 | unsigned char tlsext_tick_aes_key[16]; | |
875 | /* Callback to support customisation of ticket key setting */ | |
876 | int (*tlsext_ticket_key_cb) (SSL *ssl, | |
877 | unsigned char *name, unsigned char *iv, | |
878 | EVP_CIPHER_CTX *ectx, | |
879 | HMAC_CTX *hctx, int enc); | |
880 | ||
881 | /* certificate status request info */ | |
882 | /* Callback for status request */ | |
883 | int (*tlsext_status_cb) (SSL *ssl, void *arg); | |
884 | void *tlsext_status_arg; | |
885 | # endif | |
886 | ||
887 | # ifndef OPENSSL_NO_PSK | |
888 | char *psk_identity_hint; | |
889 | unsigned int (*psk_client_callback) (SSL *ssl, const char *hint, | |
890 | char *identity, | |
891 | unsigned int max_identity_len, | |
892 | unsigned char *psk, | |
893 | unsigned int max_psk_len); | |
894 | unsigned int (*psk_server_callback) (SSL *ssl, const char *identity, | |
895 | unsigned char *psk, | |
896 | unsigned int max_psk_len); | |
897 | # endif | |
898 | ||
899 | # ifndef OPENSSL_NO_SRP | |
900 | SRP_CTX srp_ctx; /* ctx for SRP authentication */ | |
901 | # endif | |
902 | ||
903 | # ifndef OPENSSL_NO_TLSEXT | |
904 | ||
905 | # ifndef OPENSSL_NO_NEXTPROTONEG | |
906 | /* Next protocol negotiation information */ | |
907 | /* (for experimental NPN extension). */ | |
908 | ||
909 | /* | |
910 | * For a server, this contains a callback function by which the set of | |
911 | * advertised protocols can be provided. | |
912 | */ | |
913 | int (*next_protos_advertised_cb) (SSL *s, const unsigned char **buf, | |
914 | unsigned int *len, void *arg); | |
915 | void *next_protos_advertised_cb_arg; | |
916 | /* | |
917 | * For a client, this contains a callback function that selects the next | |
918 | * protocol from the list provided by the server. | |
919 | */ | |
920 | int (*next_proto_select_cb) (SSL *s, unsigned char **out, | |
921 | unsigned char *outlen, | |
922 | const unsigned char *in, | |
923 | unsigned int inlen, void *arg); | |
924 | void *next_proto_select_cb_arg; | |
925 | # endif | |
926 | ||
927 | /* | |
928 | * ALPN information (we are in the process of transitioning from NPN to | |
929 | * ALPN.) | |
930 | */ | |
931 | ||
932 | /*- | |
933 | * For a server, this contains a callback function that allows the | |
934 | * server to select the protocol for the connection. | |
935 | * out: on successful return, this must point to the raw protocol | |
936 | * name (without the length prefix). | |
937 | * outlen: on successful return, this contains the length of |*out|. | |
938 | * in: points to the client's list of supported protocols in | |
939 | * wire-format. | |
940 | * inlen: the length of |in|. | |
941 | */ | |
942 | int (*alpn_select_cb) (SSL *s, | |
943 | const unsigned char **out, | |
944 | unsigned char *outlen, | |
945 | const unsigned char *in, | |
946 | unsigned int inlen, void *arg); | |
947 | void *alpn_select_cb_arg; | |
948 | ||
949 | /* | |
950 | * For a client, this contains the list of supported protocols in wire | |
951 | * format. | |
952 | */ | |
953 | unsigned char *alpn_client_proto_list; | |
954 | unsigned alpn_client_proto_list_len; | |
955 | ||
956 | /* SRTP profiles we are willing to do from RFC 5764 */ | |
957 | STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles; | |
958 | # endif | |
959 | /* | |
960 | * Callback for disabling session caching and ticket support on a session | |
961 | * basis, depending on the chosen cipher. | |
962 | */ | |
963 | int (*not_resumable_session_cb) (SSL *ssl, int is_forward_secure); | |
964 | # ifndef OPENSSL_NO_EC | |
965 | /* EC extension values inherited by SSL structure */ | |
966 | size_t tlsext_ecpointformatlist_length; | |
967 | unsigned char *tlsext_ecpointformatlist; | |
968 | size_t tlsext_ellipticcurvelist_length; | |
969 | unsigned char *tlsext_ellipticcurvelist; | |
970 | # endif /* OPENSSL_NO_EC */ | |
971 | }; | |
972 | ||
973 | ||
974 | struct ssl_st { | |
975 | /* | |
976 | * protocol version (one of SSL2_VERSION, SSL3_VERSION, TLS1_VERSION, | |
977 | * DTLS1_VERSION) | |
978 | */ | |
979 | int version; | |
980 | /* SSL_ST_CONNECT or SSL_ST_ACCEPT */ | |
981 | int type; | |
982 | /* SSLv3 */ | |
983 | const SSL_METHOD *method; | |
984 | /* | |
985 | * There are 2 BIO's even though they are normally both the same. This | |
986 | * is so data can be read and written to different handlers | |
987 | */ | |
988 | /* used by SSL_read */ | |
989 | BIO *rbio; | |
990 | /* used by SSL_write */ | |
991 | BIO *wbio; | |
992 | /* used during session-id reuse to concatenate messages */ | |
993 | BIO *bbio; | |
994 | /* | |
995 | * This holds a variable that indicates what we were doing when a 0 or -1 | |
996 | * is returned. This is needed for non-blocking IO so we know what | |
997 | * request needs re-doing when in SSL_accept or SSL_connect | |
998 | */ | |
999 | int rwstate; | |
1000 | /* true when we are actually in SSL_accept() or SSL_connect() */ | |
1001 | int in_handshake; | |
1002 | int (*handshake_func) (SSL *); | |
1003 | /* | |
1004 | * Imagine that here's a boolean member "init" that is switched as soon | |
1005 | * as SSL_set_{accept/connect}_state is called for the first time, so | |
1006 | * that "state" and "handshake_func" are properly initialized. But as | |
1007 | * handshake_func is == 0 until then, we use this test instead of an | |
1008 | * "init" member. | |
1009 | */ | |
1010 | /* are we the server side? - mostly used by SSL_clear */ | |
1011 | int server; | |
1012 | /* | |
1013 | * Generate a new session or reuse an old one. | |
1014 | * NB: For servers, the 'new' session may actually be a previously | |
1015 | * cached session or even the previous session unless | |
1016 | * SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION is set | |
1017 | */ | |
1018 | int new_session; | |
1019 | /* don't send shutdown packets */ | |
1020 | int quiet_shutdown; | |
1021 | /* we have shut things down, 0x01 sent, 0x02 for received */ | |
1022 | int shutdown; | |
1023 | /* where we are */ | |
1024 | int state; | |
1025 | /* where we are when reading */ | |
1026 | int rstate; | |
1027 | BUF_MEM *init_buf; /* buffer used during init */ | |
1028 | void *init_msg; /* pointer to handshake message body, set by | |
1029 | * ssl3_get_message() */ | |
1030 | int init_num; /* amount read/written */ | |
1031 | int init_off; /* amount read/written */ | |
1032 | /* used internally to point at a raw packet */ | |
1033 | unsigned char *packet; | |
1034 | unsigned int packet_length; | |
1035 | struct ssl3_state_st *s3; /* SSLv3 variables */ | |
1036 | struct dtls1_state_st *d1; /* DTLSv1 variables */ | |
52e1d7b1 | 1037 | |
b6ba4014 MC |
1038 | /* callback that allows applications to peek at protocol messages */ |
1039 | void (*msg_callback) (int write_p, int version, int content_type, | |
1040 | const void *buf, size_t len, SSL *ssl, void *arg); | |
1041 | void *msg_callback_arg; | |
1042 | int hit; /* reusing a previous session */ | |
1043 | X509_VERIFY_PARAM *param; | |
1044 | /* crypto */ | |
1045 | STACK_OF(SSL_CIPHER) *cipher_list; | |
1046 | STACK_OF(SSL_CIPHER) *cipher_list_by_id; | |
1047 | /* | |
1048 | * These are the ones being used, the ones in SSL_SESSION are the ones to | |
1049 | * be 'copied' into these ones | |
1050 | */ | |
1051 | int mac_flags; | |
1052 | EVP_CIPHER_CTX *enc_read_ctx; /* cryptographic state */ | |
1053 | EVP_MD_CTX *read_hash; /* used for mac generation */ | |
1054 | # ifndef OPENSSL_NO_COMP | |
1055 | COMP_CTX *expand; /* uncompress */ | |
1056 | # else | |
1057 | char *expand; | |
1058 | # endif | |
1059 | EVP_CIPHER_CTX *enc_write_ctx; /* cryptographic state */ | |
1060 | EVP_MD_CTX *write_hash; /* used for mac generation */ | |
1061 | # ifndef OPENSSL_NO_COMP | |
1062 | COMP_CTX *compress; /* compression */ | |
1063 | # else | |
1064 | char *compress; | |
1065 | # endif | |
1066 | /* session info */ | |
1067 | /* client cert? */ | |
1068 | /* This is used to hold the server certificate used */ | |
1069 | struct cert_st /* CERT */ *cert; | |
1070 | /* | |
1071 | * the session_id_context is used to ensure sessions are only reused in | |
1072 | * the appropriate context | |
1073 | */ | |
1074 | unsigned int sid_ctx_length; | |
1075 | unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH]; | |
1076 | /* This can also be in the session once a session is established */ | |
1077 | SSL_SESSION *session; | |
1078 | /* Default generate session ID callback. */ | |
1079 | GEN_SESSION_CB generate_session_id; | |
1080 | /* Used in SSL3 */ | |
1081 | /* | |
1082 | * 0 don't care about verify failure. | |
1083 | * 1 fail if verify fails | |
1084 | */ | |
1085 | int verify_mode; | |
1086 | /* fail if callback returns 0 */ | |
1087 | int (*verify_callback) (int ok, X509_STORE_CTX *ctx); | |
1088 | /* optional informational callback */ | |
1089 | void (*info_callback) (const SSL *ssl, int type, int val); | |
1090 | /* error bytes to be written */ | |
1091 | int error; | |
1092 | /* actual code */ | |
1093 | int error_code; | |
1094 | # ifndef OPENSSL_NO_KRB5 | |
1095 | /* Kerberos 5 context */ | |
1096 | KSSL_CTX *kssl_ctx; | |
1097 | # endif /* OPENSSL_NO_KRB5 */ | |
1098 | # ifndef OPENSSL_NO_PSK | |
1099 | unsigned int (*psk_client_callback) (SSL *ssl, const char *hint, | |
1100 | char *identity, | |
1101 | unsigned int max_identity_len, | |
1102 | unsigned char *psk, | |
1103 | unsigned int max_psk_len); | |
1104 | unsigned int (*psk_server_callback) (SSL *ssl, const char *identity, | |
1105 | unsigned char *psk, | |
1106 | unsigned int max_psk_len); | |
1107 | # endif | |
1108 | SSL_CTX *ctx; | |
1109 | /* | |
1110 | * set this flag to 1 and a sleep(1) is put into all SSL_read() and | |
1111 | * SSL_write() calls, good for nbio debuging :-) | |
1112 | */ | |
1113 | int debug; | |
1114 | /* extra application data */ | |
1115 | long verify_result; | |
1116 | CRYPTO_EX_DATA ex_data; | |
1117 | /* for server side, keep the list of CA_dn we can use */ | |
1118 | STACK_OF(X509_NAME) *client_CA; | |
1119 | int references; | |
1120 | /* protocol behaviour */ | |
1121 | unsigned long options; | |
1122 | /* API behaviour */ | |
1123 | unsigned long mode; | |
1124 | long max_cert_list; | |
1125 | int first_packet; | |
1126 | /* what was passed, used for SSLv3/TLS rollback check */ | |
1127 | int client_version; | |
1128 | unsigned int max_send_fragment; | |
1129 | # ifndef OPENSSL_NO_TLSEXT | |
1130 | /* TLS extension debug callback */ | |
1131 | void (*tlsext_debug_cb) (SSL *s, int client_server, int type, | |
1132 | unsigned char *data, int len, void *arg); | |
1133 | void *tlsext_debug_arg; | |
1134 | char *tlsext_hostname; | |
1135 | /*- | |
1136 | * no further mod of servername | |
1137 | * 0 : call the servername extension callback. | |
1138 | * 1 : prepare 2, allow last ack just after in server callback. | |
1139 | * 2 : don't call servername callback, no ack in server hello | |
1140 | */ | |
1141 | int servername_done; | |
1142 | /* certificate status request info */ | |
1143 | /* Status type or -1 if no status type */ | |
1144 | int tlsext_status_type; | |
1145 | /* Expect OCSP CertificateStatus message */ | |
1146 | int tlsext_status_expected; | |
1147 | /* OCSP status request only */ | |
1148 | STACK_OF(OCSP_RESPID) *tlsext_ocsp_ids; | |
1149 | X509_EXTENSIONS *tlsext_ocsp_exts; | |
1150 | /* OCSP response received or to be sent */ | |
1151 | unsigned char *tlsext_ocsp_resp; | |
1152 | int tlsext_ocsp_resplen; | |
1153 | /* RFC4507 session ticket expected to be received or sent */ | |
1154 | int tlsext_ticket_expected; | |
1155 | # ifndef OPENSSL_NO_EC | |
1156 | size_t tlsext_ecpointformatlist_length; | |
1157 | /* our list */ | |
1158 | unsigned char *tlsext_ecpointformatlist; | |
1159 | size_t tlsext_ellipticcurvelist_length; | |
1160 | /* our list */ | |
1161 | unsigned char *tlsext_ellipticcurvelist; | |
1162 | # endif /* OPENSSL_NO_EC */ | |
1163 | /* TLS Session Ticket extension override */ | |
1164 | TLS_SESSION_TICKET_EXT *tlsext_session_ticket; | |
1165 | /* TLS Session Ticket extension callback */ | |
1166 | tls_session_ticket_ext_cb_fn tls_session_ticket_ext_cb; | |
1167 | void *tls_session_ticket_ext_cb_arg; | |
1168 | /* TLS pre-shared secret session resumption */ | |
1169 | tls_session_secret_cb_fn tls_session_secret_cb; | |
1170 | void *tls_session_secret_cb_arg; | |
1171 | SSL_CTX *initial_ctx; /* initial ctx, used to store sessions */ | |
1172 | # ifndef OPENSSL_NO_NEXTPROTONEG | |
1173 | /* | |
1174 | * Next protocol negotiation. For the client, this is the protocol that | |
1175 | * we sent in NextProtocol and is set when handling ServerHello | |
1176 | * extensions. For a server, this is the client's selected_protocol from | |
1177 | * NextProtocol and is set when handling the NextProtocol message, before | |
1178 | * the Finished message. | |
1179 | */ | |
1180 | unsigned char *next_proto_negotiated; | |
1181 | unsigned char next_proto_negotiated_len; | |
1182 | # endif | |
1183 | # define session_ctx initial_ctx | |
1184 | /* What we'll do */ | |
1185 | STACK_OF(SRTP_PROTECTION_PROFILE) *srtp_profiles; | |
1186 | /* What's been chosen */ | |
1187 | SRTP_PROTECTION_PROFILE *srtp_profile; | |
1188 | /*- | |
1189 | * Is use of the Heartbeat extension negotiated? | |
1190 | * 0: disabled | |
1191 | * 1: enabled | |
1192 | * 2: enabled, but not allowed to send Requests | |
1193 | */ | |
1194 | unsigned int tlsext_heartbeat; | |
1195 | /* Indicates if a HeartbeatRequest is in flight */ | |
1196 | unsigned int tlsext_hb_pending; | |
1197 | /* HeartbeatRequest sequence number */ | |
1198 | unsigned int tlsext_hb_seq; | |
1199 | /* | |
1200 | * For a client, this contains the list of supported protocols in wire | |
1201 | * format. | |
1202 | */ | |
1203 | unsigned char *alpn_client_proto_list; | |
1204 | unsigned alpn_client_proto_list_len; | |
1205 | # else | |
1206 | # define session_ctx ctx | |
1207 | # endif /* OPENSSL_NO_TLSEXT */ | |
1208 | /*- | |
1209 | * 1 if we are renegotiating. | |
1210 | * 2 if we are a server and are inside a handshake | |
1211 | * (i.e. not just sending a HelloRequest) | |
1212 | */ | |
1213 | int renegotiate; | |
1214 | # ifndef OPENSSL_NO_SRP | |
1215 | /* ctx for SRP authentication */ | |
1216 | SRP_CTX srp_ctx; | |
1217 | # endif | |
1218 | /* | |
1219 | * Callback for disabling session caching and ticket support on a session | |
1220 | * basis, depending on the chosen cipher. | |
1221 | */ | |
1222 | int (*not_resumable_session_cb) (SSL *ssl, int is_forward_secure); | |
28d59af8 MC |
1223 | |
1224 | RECORD_LAYER rlayer; | |
b6ba4014 MC |
1225 | }; |
1226 | ||
b6ba4014 | 1227 | |
b6ba4014 MC |
1228 | typedef struct ssl3_state_st { |
1229 | long flags; | |
1230 | int delay_buf_pop_ret; | |
1231 | unsigned char read_sequence[8]; | |
1232 | int read_mac_secret_size; | |
1233 | unsigned char read_mac_secret[EVP_MAX_MD_SIZE]; | |
1234 | unsigned char write_sequence[8]; | |
1235 | int write_mac_secret_size; | |
1236 | unsigned char write_mac_secret[EVP_MAX_MD_SIZE]; | |
1237 | unsigned char server_random[SSL3_RANDOM_SIZE]; | |
1238 | unsigned char client_random[SSL3_RANDOM_SIZE]; | |
1239 | /* flags for countermeasure against known-IV weakness */ | |
1240 | int need_empty_fragments; | |
1241 | int empty_fragment_done; | |
1242 | /* The value of 'extra' when the buffers were initialized */ | |
1243 | int init_extra; | |
b6ba4014 MC |
1244 | /* |
1245 | * storage for Alert/Handshake protocol data received but not yet | |
1246 | * processed by ssl3_read_bytes: | |
1247 | */ | |
1248 | unsigned char alert_fragment[2]; | |
1249 | unsigned int alert_fragment_len; | |
1250 | unsigned char handshake_fragment[4]; | |
1251 | unsigned int handshake_fragment_len; | |
1252 | /* partial write - check the numbers match */ | |
1253 | unsigned int wnum; /* number of bytes sent so far */ | |
1254 | int wpend_tot; /* number bytes written */ | |
1255 | int wpend_type; | |
1256 | int wpend_ret; /* number of bytes submitted */ | |
1257 | const unsigned char *wpend_buf; | |
1258 | /* used during startup, digest all incoming/outgoing packets */ | |
1259 | BIO *handshake_buffer; | |
1260 | /* | |
1261 | * When set of handshake digests is determined, buffer is hashed and | |
1262 | * freed and MD_CTX-es for all required digests are stored in this array | |
1263 | */ | |
1264 | EVP_MD_CTX **handshake_dgst; | |
1265 | /* | |
1266 | * Set whenever an expected ChangeCipherSpec message is processed. | |
1267 | * Unset when the peer's Finished message is received. | |
1268 | * Unexpected ChangeCipherSpec messages trigger a fatal alert. | |
1269 | */ | |
1270 | int change_cipher_spec; | |
1271 | int warn_alert; | |
1272 | int fatal_alert; | |
1273 | /* | |
1274 | * we allow one fatal and one warning alert to be outstanding, send close | |
1275 | * alert via the warning alert | |
1276 | */ | |
1277 | int alert_dispatch; | |
1278 | unsigned char send_alert[2]; | |
1279 | /* | |
1280 | * This flag is set when we should renegotiate ASAP, basically when there | |
1281 | * is no more data in the read or write buffers | |
1282 | */ | |
1283 | int renegotiate; | |
1284 | int total_renegotiations; | |
1285 | int num_renegotiations; | |
1286 | int in_read_app_data; | |
1287 | struct { | |
1288 | /* actually only needs to be 16+20 */ | |
1289 | unsigned char cert_verify_md[EVP_MAX_MD_SIZE * 2]; | |
1290 | /* actually only need to be 16+20 for SSLv3 and 12 for TLS */ | |
1291 | unsigned char finish_md[EVP_MAX_MD_SIZE * 2]; | |
1292 | int finish_md_len; | |
1293 | unsigned char peer_finish_md[EVP_MAX_MD_SIZE * 2]; | |
1294 | int peer_finish_md_len; | |
1295 | unsigned long message_size; | |
1296 | int message_type; | |
1297 | /* used to hold the new cipher we are going to use */ | |
1298 | const SSL_CIPHER *new_cipher; | |
1299 | # ifndef OPENSSL_NO_DH | |
1300 | DH *dh; | |
1301 | # endif | |
10bf4fc2 | 1302 | # ifndef OPENSSL_NO_EC |
b6ba4014 MC |
1303 | EC_KEY *ecdh; /* holds short lived ECDH key */ |
1304 | # endif | |
1305 | /* used when SSL_ST_FLUSH_DATA is entered */ | |
1306 | int next_state; | |
1307 | int reuse_message; | |
1308 | /* used for certificate requests */ | |
1309 | int cert_req; | |
1310 | int ctype_num; | |
1311 | char ctype[SSL3_CT_NUMBER]; | |
1312 | STACK_OF(X509_NAME) *ca_names; | |
1313 | int use_rsa_tmp; | |
1314 | int key_block_length; | |
1315 | unsigned char *key_block; | |
1316 | const EVP_CIPHER *new_sym_enc; | |
1317 | const EVP_MD *new_hash; | |
1318 | int new_mac_pkey_type; | |
1319 | int new_mac_secret_size; | |
1320 | # ifndef OPENSSL_NO_COMP | |
1321 | const SSL_COMP *new_compression; | |
1322 | # else | |
1323 | char *new_compression; | |
1324 | # endif | |
1325 | int cert_request; | |
1326 | } tmp; | |
1327 | ||
1328 | /* Connection binding to prevent renegotiation attacks */ | |
1329 | unsigned char previous_client_finished[EVP_MAX_MD_SIZE]; | |
1330 | unsigned char previous_client_finished_len; | |
1331 | unsigned char previous_server_finished[EVP_MAX_MD_SIZE]; | |
1332 | unsigned char previous_server_finished_len; | |
1333 | int send_connection_binding; /* TODOEKR */ | |
1334 | ||
1335 | # ifndef OPENSSL_NO_NEXTPROTONEG | |
1336 | /* | |
1337 | * Set if we saw the Next Protocol Negotiation extension from our peer. | |
1338 | */ | |
1339 | int next_proto_neg_seen; | |
1340 | # endif | |
1341 | ||
1342 | # ifndef OPENSSL_NO_TLSEXT | |
1343 | ||
1344 | /* | |
1345 | * ALPN information (we are in the process of transitioning from NPN to | |
1346 | * ALPN.) | |
1347 | */ | |
1348 | ||
1349 | /* | |
1350 | * In a server these point to the selected ALPN protocol after the | |
1351 | * ClientHello has been processed. In a client these contain the protocol | |
1352 | * that the server selected once the ServerHello has been processed. | |
1353 | */ | |
1354 | unsigned char *alpn_selected; | |
1355 | unsigned alpn_selected_len; | |
1356 | ||
1357 | # ifndef OPENSSL_NO_EC | |
1358 | /* | |
1359 | * This is set to true if we believe that this is a version of Safari | |
1360 | * running on OS X 10.6 or newer. We wish to know this because Safari on | |
1361 | * 10.8 .. 10.8.3 has broken ECDHE-ECDSA support. | |
1362 | */ | |
1363 | char is_probably_safari; | |
1364 | # endif /* !OPENSSL_NO_EC */ | |
1365 | ||
1366 | # endif /* !OPENSSL_NO_TLSEXT */ | |
1367 | } SSL3_STATE; | |
1368 | ||
1369 | ||
1370 | /* DTLS structures */ | |
1371 | ||
1372 | # ifndef OPENSSL_NO_SCTP | |
1373 | # define DTLS1_SCTP_AUTH_LABEL "EXPORTER_DTLS_OVER_SCTP" | |
1374 | # endif | |
1375 | ||
1376 | /* Max MTU overhead we know about so far is 40 for IPv6 + 8 for UDP */ | |
1377 | # define DTLS1_MAX_MTU_OVERHEAD 48 | |
1378 | ||
b6ba4014 MC |
1379 | struct dtls1_retransmit_state { |
1380 | EVP_CIPHER_CTX *enc_write_ctx; /* cryptographic state */ | |
1381 | EVP_MD_CTX *write_hash; /* used for mac generation */ | |
1382 | # ifndef OPENSSL_NO_COMP | |
1383 | COMP_CTX *compress; /* compression */ | |
1384 | # else | |
1385 | char *compress; | |
1386 | # endif | |
1387 | SSL_SESSION *session; | |
1388 | unsigned short epoch; | |
1389 | }; | |
1390 | ||
1391 | struct hm_header_st { | |
1392 | unsigned char type; | |
1393 | unsigned long msg_len; | |
1394 | unsigned short seq; | |
1395 | unsigned long frag_off; | |
1396 | unsigned long frag_len; | |
1397 | unsigned int is_ccs; | |
1398 | struct dtls1_retransmit_state saved_retransmit_state; | |
1399 | }; | |
1400 | ||
1401 | struct ccs_header_st { | |
1402 | unsigned char type; | |
1403 | unsigned short seq; | |
1404 | }; | |
1405 | ||
1406 | struct dtls1_timeout_st { | |
1407 | /* Number of read timeouts so far */ | |
1408 | unsigned int read_timeouts; | |
1409 | /* Number of write timeouts so far */ | |
1410 | unsigned int write_timeouts; | |
1411 | /* Number of alerts received so far */ | |
1412 | unsigned int num_alerts; | |
1413 | }; | |
1414 | ||
b6ba4014 MC |
1415 | typedef struct hm_fragment_st { |
1416 | struct hm_header_st msg_header; | |
1417 | unsigned char *fragment; | |
1418 | unsigned char *reassembly; | |
1419 | } hm_fragment; | |
1420 | ||
1421 | typedef struct dtls1_state_st { | |
1422 | unsigned int send_cookie; | |
1423 | unsigned char cookie[DTLS1_COOKIE_LENGTH]; | |
1424 | unsigned char rcvd_cookie[DTLS1_COOKIE_LENGTH]; | |
1425 | unsigned int cookie_len; | |
1426 | /* | |
1427 | * The current data and handshake epoch. This is initially | |
1428 | * undefined, and starts at zero once the initial handshake is | |
1429 | * completed | |
1430 | */ | |
1431 | unsigned short r_epoch; | |
1432 | unsigned short w_epoch; | |
1433 | /* records being received in the current epoch */ | |
1434 | DTLS1_BITMAP bitmap; | |
1435 | /* renegotiation starts a new set of sequence numbers */ | |
1436 | DTLS1_BITMAP next_bitmap; | |
1437 | /* handshake message numbers */ | |
1438 | unsigned short handshake_write_seq; | |
1439 | unsigned short next_handshake_write_seq; | |
1440 | unsigned short handshake_read_seq; | |
1441 | /* save last sequence number for retransmissions */ | |
1442 | unsigned char last_write_sequence[8]; | |
1443 | /* Received handshake records (processed and unprocessed) */ | |
1444 | record_pqueue unprocessed_rcds; | |
1445 | record_pqueue processed_rcds; | |
1446 | /* Buffered handshake messages */ | |
1447 | pqueue buffered_messages; | |
1448 | /* Buffered (sent) handshake records */ | |
1449 | pqueue sent_messages; | |
1450 | /* | |
1451 | * Buffered application records. Only for records between CCS and | |
1452 | * Finished to prevent either protocol violation or unnecessary message | |
1453 | * loss. | |
1454 | */ | |
1455 | record_pqueue buffered_app_data; | |
1456 | /* Is set when listening for new connections with dtls1_listen() */ | |
1457 | unsigned int listen; | |
1458 | unsigned int link_mtu; /* max on-the-wire DTLS packet size */ | |
1459 | unsigned int mtu; /* max DTLS packet size */ | |
1460 | struct hm_header_st w_msg_hdr; | |
1461 | struct hm_header_st r_msg_hdr; | |
1462 | struct dtls1_timeout_st timeout; | |
1463 | /* | |
1464 | * Indicates when the last handshake msg or heartbeat sent will timeout | |
1465 | */ | |
1466 | struct timeval next_timeout; | |
1467 | /* Timeout duration */ | |
1468 | unsigned short timeout_duration; | |
1469 | /* | |
1470 | * storage for Alert/Handshake protocol data received but not yet | |
1471 | * processed by ssl3_read_bytes: | |
1472 | */ | |
1473 | unsigned char alert_fragment[DTLS1_AL_HEADER_LENGTH]; | |
1474 | unsigned int alert_fragment_len; | |
1475 | unsigned char handshake_fragment[DTLS1_HM_HEADER_LENGTH]; | |
1476 | unsigned int handshake_fragment_len; | |
1477 | unsigned int retransmitting; | |
1478 | /* | |
1479 | * Set when the handshake is ready to process peer's ChangeCipherSpec message. | |
1480 | * Cleared after the message has been processed. | |
1481 | */ | |
1482 | unsigned int change_cipher_spec_ok; | |
1483 | # ifndef OPENSSL_NO_SCTP | |
1484 | /* used when SSL_ST_XX_FLUSH is entered */ | |
1485 | int next_state; | |
1486 | int shutdown_received; | |
1487 | # endif | |
1488 | } DTLS1_STATE; | |
1489 | ||
1490 | typedef struct dtls1_record_data_st { | |
1491 | unsigned char *packet; | |
1492 | unsigned int packet_length; | |
1493 | SSL3_BUFFER rbuf; | |
1494 | SSL3_RECORD rrec; | |
1495 | # ifndef OPENSSL_NO_SCTP | |
1496 | struct bio_dgram_sctp_rcvinfo recordinfo; | |
1497 | # endif | |
1498 | } DTLS1_RECORD_DATA; | |
1499 | ||
1500 | ||
0f113f3e MC |
1501 | # ifndef OPENSSL_NO_EC |
1502 | /* | |
1503 | * From ECC-TLS draft, used in encoding the curve type in ECParameters | |
ea262260 | 1504 | */ |
0f113f3e MC |
1505 | # define EXPLICIT_PRIME_CURVE_TYPE 1 |
1506 | # define EXPLICIT_CHAR2_CURVE_TYPE 2 | |
1507 | # define NAMED_CURVE_TYPE 3 | |
1508 | # endif /* OPENSSL_NO_EC */ | |
1509 | ||
1510 | typedef struct cert_pkey_st { | |
1511 | X509 *x509; | |
1512 | EVP_PKEY *privatekey; | |
1513 | /* Digest to use when signing */ | |
1514 | const EVP_MD *digest; | |
1515 | /* Chain for this certificate */ | |
1516 | STACK_OF(X509) *chain; | |
1517 | # ifndef OPENSSL_NO_TLSEXT | |
50e735f9 MC |
1518 | /*- |
1519 | * serverinfo data for this certificate. The data is in TLS Extension | |
1520 | * wire format, specifically it's a series of records like: | |
1521 | * uint16_t extension_type; // (RFC 5246, 7.4.1.4, Extension) | |
1522 | * uint16_t length; | |
1523 | * uint8_t data[length]; | |
1524 | */ | |
0f113f3e MC |
1525 | unsigned char *serverinfo; |
1526 | size_t serverinfo_length; | |
1527 | # endif | |
1528 | /* | |
1529 | * Set if CERT_PKEY can be used with current SSL session: e.g. | |
1530 | * appropriate curve, signature algorithms etc. If zero it can't be used | |
1531 | * at all. | |
1532 | */ | |
1533 | int valid_flags; | |
1534 | } CERT_PKEY; | |
2ea80354 | 1535 | /* Retrieve Suite B flags */ |
0f113f3e | 1536 | # define tls1_suiteb(s) (s->cert->cert_flags & SSL_CERT_FLAG_SUITEB_128_LOS) |
2ea80354 | 1537 | /* Uses to check strict mode: suite B modes are always strict */ |
0f113f3e MC |
1538 | # define SSL_CERT_FLAGS_CHECK_TLS_STRICT \ |
1539 | (SSL_CERT_FLAG_SUITEB_128_LOS|SSL_CERT_FLAG_TLS_STRICT) | |
d02b48c6 | 1540 | |
b83294fe | 1541 | typedef struct { |
0f113f3e MC |
1542 | unsigned short ext_type; |
1543 | /* | |
1544 | * Per-connection flags relating to this extension type: not used if | |
1545 | * part of an SSL_CTX structure. | |
1546 | */ | |
1547 | unsigned short ext_flags; | |
1548 | custom_ext_add_cb add_cb; | |
1549 | custom_ext_free_cb free_cb; | |
1550 | void *add_arg; | |
1551 | custom_ext_parse_cb parse_cb; | |
1552 | void *parse_arg; | |
ecf4d660 | 1553 | } custom_ext_method; |
b83294fe | 1554 | |
28ea0a0c DSH |
1555 | /* ext_flags values */ |
1556 | ||
0f113f3e MC |
1557 | /* |
1558 | * Indicates an extension has been received. Used to check for unsolicited or | |
1559 | * duplicate extensions. | |
28ea0a0c | 1560 | */ |
0f113f3e MC |
1561 | # define SSL_EXT_FLAG_RECEIVED 0x1 |
1562 | /* | |
1563 | * Indicates an extension has been sent: used to enable sending of | |
1564 | * corresponding ServerHello extension. | |
28ea0a0c | 1565 | */ |
0f113f3e | 1566 | # define SSL_EXT_FLAG_SENT 0x2 |
28ea0a0c | 1567 | |
b83294fe | 1568 | typedef struct { |
0f113f3e MC |
1569 | custom_ext_method *meths; |
1570 | size_t meths_count; | |
ecf4d660 | 1571 | } custom_ext_methods; |
b83294fe | 1572 | |
0f113f3e MC |
1573 | typedef struct cert_st { |
1574 | /* Current active set */ | |
1575 | /* | |
1576 | * ALWAYS points to an element of the pkeys array | |
1577 | * Probably it would make more sense to store | |
1578 | * an index, not a pointer. | |
1579 | */ | |
1580 | CERT_PKEY *key; | |
1581 | /* | |
1582 | * For servers the following masks are for the key and auth algorithms | |
1583 | * that are supported by the certs below. For clients they are masks of | |
1584 | * *disabled* algorithms based on the current session. | |
1585 | */ | |
1586 | int valid; | |
1587 | unsigned long mask_k; | |
1588 | unsigned long mask_a; | |
1589 | unsigned long export_mask_k; | |
1590 | unsigned long export_mask_a; | |
1591 | /* Client only */ | |
1592 | unsigned long mask_ssl; | |
1593 | # ifndef OPENSSL_NO_RSA | |
1594 | RSA *rsa_tmp; | |
1595 | RSA *(*rsa_tmp_cb) (SSL *ssl, int is_export, int keysize); | |
1596 | # endif | |
1597 | # ifndef OPENSSL_NO_DH | |
1598 | DH *dh_tmp; | |
1599 | DH *(*dh_tmp_cb) (SSL *ssl, int is_export, int keysize); | |
1600 | int dh_tmp_auto; | |
1601 | # endif | |
10bf4fc2 | 1602 | # ifndef OPENSSL_NO_EC |
0f113f3e MC |
1603 | EC_KEY *ecdh_tmp; |
1604 | /* Callback for generating ephemeral ECDH keys */ | |
1605 | EC_KEY *(*ecdh_tmp_cb) (SSL *ssl, int is_export, int keysize); | |
1606 | /* Select ECDH parameters automatically */ | |
1607 | int ecdh_tmp_auto; | |
1608 | # endif | |
1609 | /* Flags related to certificates */ | |
1610 | unsigned int cert_flags; | |
1611 | CERT_PKEY pkeys[SSL_PKEY_NUM]; | |
1612 | /* | |
1613 | * Certificate types (received or sent) in certificate request message. | |
1614 | * On receive this is only set if number of certificate types exceeds | |
1615 | * SSL3_CT_NUMBER. | |
1616 | */ | |
1617 | unsigned char *ctypes; | |
1618 | size_t ctype_num; | |
c660ec63 DSH |
1619 | /* Temporary storage for premaster secret */ |
1620 | unsigned char *pms; | |
1621 | size_t pmslen; | |
0f113f3e MC |
1622 | /* |
1623 | * signature algorithms peer reports: e.g. supported signature algorithms | |
1624 | * extension for server or as part of a certificate request for client. | |
1625 | */ | |
1626 | unsigned char *peer_sigalgs; | |
1627 | /* Size of above array */ | |
1628 | size_t peer_sigalgslen; | |
1629 | /* | |
1630 | * suppported signature algorithms. When set on a client this is sent in | |
1631 | * the client hello as the supported signature algorithms extension. For | |
1632 | * servers it represents the signature algorithms we are willing to use. | |
1633 | */ | |
1634 | unsigned char *conf_sigalgs; | |
1635 | /* Size of above array */ | |
1636 | size_t conf_sigalgslen; | |
1637 | /* | |
1638 | * Client authentication signature algorithms, if not set then uses | |
1639 | * conf_sigalgs. On servers these will be the signature algorithms sent | |
1640 | * to the client in a cerificate request for TLS 1.2. On a client this | |
1641 | * represents the signature algortithms we are willing to use for client | |
1642 | * authentication. | |
1643 | */ | |
1644 | unsigned char *client_sigalgs; | |
1645 | /* Size of above array */ | |
1646 | size_t client_sigalgslen; | |
1647 | /* | |
1648 | * Signature algorithms shared by client and server: cached because these | |
1649 | * are used most often. | |
1650 | */ | |
1651 | TLS_SIGALGS *shared_sigalgs; | |
1652 | size_t shared_sigalgslen; | |
1653 | /* | |
1654 | * Certificate setup callback: if set is called whenever a certificate | |
1655 | * may be required (client or server). the callback can then examine any | |
1656 | * appropriate parameters and setup any certificates required. This | |
1657 | * allows advanced applications to select certificates on the fly: for | |
1658 | * example based on supported signature algorithms or curves. | |
1659 | */ | |
1660 | int (*cert_cb) (SSL *ssl, void *arg); | |
1661 | void *cert_cb_arg; | |
1662 | /* | |
1663 | * Optional X509_STORE for chain building or certificate validation If | |
1664 | * NULL the parent SSL_CTX store is used instead. | |
1665 | */ | |
1666 | X509_STORE *chain_store; | |
1667 | X509_STORE *verify_store; | |
1668 | /* Raw values of the cipher list from a client */ | |
1669 | unsigned char *ciphers_raw; | |
1670 | size_t ciphers_rawlen; | |
1671 | /* Custom extension methods for server and client */ | |
1672 | custom_ext_methods cli_ext; | |
1673 | custom_ext_methods srv_ext; | |
1674 | /* Security callback */ | |
1675 | int (*sec_cb) (SSL *s, SSL_CTX *ctx, int op, int bits, int nid, | |
1676 | void *other, void *ex); | |
1677 | /* Security level */ | |
1678 | int sec_level; | |
1679 | void *sec_ex; | |
1680 | int references; /* >1 only if SSL_copy_session_id is used */ | |
1681 | } CERT; | |
1682 | ||
1683 | typedef struct sess_cert_st { | |
1684 | STACK_OF(X509) *cert_chain; /* as received from peer */ | |
1685 | /* The 'peer_...' members are used only by clients. */ | |
1686 | int peer_cert_type; | |
1687 | CERT_PKEY *peer_key; /* points to an element of peer_pkeys (never | |
1688 | * NULL!) */ | |
1689 | CERT_PKEY peer_pkeys[SSL_PKEY_NUM]; | |
1690 | /* | |
1691 | * Obviously we don't have the private keys of these, so maybe we | |
1692 | * shouldn't even use the CERT_PKEY type here. | |
1693 | */ | |
1694 | # ifndef OPENSSL_NO_RSA | |
1695 | RSA *peer_rsa_tmp; /* not used for SSL 2 */ | |
1696 | # endif | |
1697 | # ifndef OPENSSL_NO_DH | |
1698 | DH *peer_dh_tmp; /* not used for SSL 2 */ | |
1699 | # endif | |
10bf4fc2 | 1700 | # ifndef OPENSSL_NO_EC |
0f113f3e MC |
1701 | EC_KEY *peer_ecdh_tmp; |
1702 | # endif | |
1703 | int references; /* actually always 1 at the moment */ | |
1704 | } SESS_CERT; | |
e7f8ff43 | 1705 | /* Structure containing decoded values of signature algorithms extension */ |
0f113f3e MC |
1706 | struct tls_sigalgs_st { |
1707 | /* NID of hash algorithm */ | |
1708 | int hash_nid; | |
1709 | /* NID of signature algorithm */ | |
1710 | int sign_nid; | |
1711 | /* Combined hash and signature NID */ | |
1712 | int signandhash_nid; | |
1713 | /* Raw values used in extension */ | |
1714 | unsigned char rsign; | |
1715 | unsigned char rhash; | |
1716 | }; | |
1717 | ||
1718 | /* | |
1719 | * #define MAC_DEBUG | |
1720 | */ | |
1721 | ||
1722 | /* | |
1723 | * #define ERR_DEBUG | |
1724 | */ | |
1725 | /* | |
1726 | * #define ABORT_DEBUG | |
1727 | */ | |
1728 | /* | |
1729 | * #define PKT_DEBUG 1 | |
1730 | */ | |
1731 | /* | |
1732 | * #define DES_DEBUG | |
1733 | */ | |
1734 | /* | |
1735 | * #define DES_OFB_DEBUG | |
1736 | */ | |
1737 | /* | |
1738 | * #define SSL_DEBUG | |
1739 | */ | |
1740 | /* | |
1741 | * #define RSA_DEBUG | |
1742 | */ | |
1743 | /* | |
1744 | * #define IDEA_DEBUG | |
1745 | */ | |
1746 | ||
1747 | # define FP_ICC (int (*)(const void *,const void *)) | |
1748 | # define ssl_put_cipher_by_char(ssl,ciph,ptr) \ | |
1749 | ((ssl)->method->put_cipher_by_char((ciph),(ptr))) | |
1750 | ||
1751 | /* | |
1752 | * This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff It is a bit | |
1753 | * of a mess of functions, but hell, think of it as an opaque structure :-) | |
1754 | */ | |
1755 | typedef struct ssl3_enc_method { | |
1756 | int (*enc) (SSL *, int); | |
1757 | int (*mac) (SSL *, unsigned char *, int); | |
1758 | int (*setup_key_block) (SSL *); | |
1759 | int (*generate_master_secret) (SSL *, unsigned char *, unsigned char *, | |
1760 | int); | |
1761 | int (*change_cipher_state) (SSL *, int); | |
1762 | int (*final_finish_mac) (SSL *, const char *, int, unsigned char *); | |
1763 | int finish_mac_length; | |
1764 | int (*cert_verify_mac) (SSL *, int, unsigned char *); | |
1765 | const char *client_finished_label; | |
1766 | int client_finished_label_len; | |
1767 | const char *server_finished_label; | |
1768 | int server_finished_label_len; | |
1769 | int (*alert_value) (int); | |
1770 | int (*export_keying_material) (SSL *, unsigned char *, size_t, | |
1771 | const char *, size_t, | |
1772 | const unsigned char *, size_t, | |
1773 | int use_context); | |
1774 | /* Various flags indicating protocol version requirements */ | |
1775 | unsigned int enc_flags; | |
1776 | /* Handshake header length */ | |
1777 | unsigned int hhlen; | |
1778 | /* Set the handshake header */ | |
77d514c5 | 1779 | int (*set_handshake_header) (SSL *s, int type, unsigned long len); |
0f113f3e MC |
1780 | /* Write out handshake message */ |
1781 | int (*do_write) (SSL *s); | |
1782 | } SSL3_ENC_METHOD; | |
1783 | ||
1784 | # define SSL_HM_HEADER_LENGTH(s) s->method->ssl3_enc->hhlen | |
1785 | # define ssl_handshake_start(s) \ | |
1786 | (((unsigned char *)s->init_buf->data) + s->method->ssl3_enc->hhlen) | |
1787 | # define ssl_set_handshake_header(s, htype, len) \ | |
1788 | s->method->ssl3_enc->set_handshake_header(s, htype, len) | |
1789 | # define ssl_do_write(s) s->method->ssl3_enc->do_write(s) | |
173e72e6 DSH |
1790 | |
1791 | /* Values for enc_flags */ | |
1792 | ||
1793 | /* Uses explicit IV for CBC mode */ | |
0f113f3e | 1794 | # define SSL_ENC_FLAG_EXPLICIT_IV 0x1 |
173e72e6 | 1795 | /* Uses signature algorithms extension */ |
0f113f3e | 1796 | # define SSL_ENC_FLAG_SIGALGS 0x2 |
cbd64894 | 1797 | /* Uses SHA256 default PRF */ |
0f113f3e | 1798 | # define SSL_ENC_FLAG_SHA256_PRF 0x4 |
173e72e6 | 1799 | /* Is DTLS */ |
0f113f3e MC |
1800 | # define SSL_ENC_FLAG_DTLS 0x8 |
1801 | /* | |
1802 | * Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2: may | |
1803 | * apply to others in future. | |
4221c0dd | 1804 | */ |
0f113f3e | 1805 | # define SSL_ENC_FLAG_TLS1_2_CIPHERS 0x10 |
173e72e6 | 1806 | |
0f113f3e | 1807 | # ifndef OPENSSL_NO_COMP |
651d0aff | 1808 | /* Used for holding the relevant compression methods loaded into SSL_CTX */ |
0f113f3e MC |
1809 | typedef struct ssl3_comp_st { |
1810 | int comp_id; /* The identifier byte for this compression | |
1811 | * type */ | |
1812 | char *name; /* Text name used for the compression type */ | |
1813 | COMP_METHOD *method; /* The method :-) */ | |
1814 | } SSL3_COMP; | |
1815 | # endif | |
dfeab068 | 1816 | |
3ed449e9 | 1817 | extern SSL3_ENC_METHOD ssl3_undef_enc_method; |
8892ce77 | 1818 | OPENSSL_EXTERN const SSL_CIPHER ssl3_ciphers[]; |
7d7d2cbc | 1819 | |
d02b48c6 | 1820 | SSL_METHOD *ssl_bad_method(int ver); |
d02b48c6 | 1821 | |
161e0a61 BL |
1822 | extern const SSL3_ENC_METHOD TLSv1_enc_data; |
1823 | extern const SSL3_ENC_METHOD TLSv1_1_enc_data; | |
1824 | extern const SSL3_ENC_METHOD TLSv1_2_enc_data; | |
8892ce77 BL |
1825 | extern const SSL3_ENC_METHOD SSLv3_enc_data; |
1826 | extern const SSL3_ENC_METHOD DTLSv1_enc_data; | |
1827 | extern const SSL3_ENC_METHOD DTLSv1_2_enc_data; | |
f3b656b2 | 1828 | |
0f113f3e MC |
1829 | # define IMPLEMENT_tls_meth_func(version, func_name, s_accept, s_connect, \ |
1830 | s_get_meth, enc_data) \ | |
4ebb342f | 1831 | const SSL_METHOD *func_name(void) \ |
0f113f3e MC |
1832 | { \ |
1833 | static const SSL_METHOD func_name##_data= { \ | |
1834 | version, \ | |
1835 | tls1_new, \ | |
1836 | tls1_clear, \ | |
1837 | tls1_free, \ | |
1838 | s_accept, \ | |
1839 | s_connect, \ | |
1840 | ssl3_read, \ | |
1841 | ssl3_peek, \ | |
1842 | ssl3_write, \ | |
1843 | ssl3_shutdown, \ | |
1844 | ssl3_renegotiate, \ | |
1845 | ssl3_renegotiate_check, \ | |
1846 | ssl3_get_message, \ | |
1847 | ssl3_read_bytes, \ | |
1848 | ssl3_write_bytes, \ | |
1849 | ssl3_dispatch_alert, \ | |
1850 | ssl3_ctrl, \ | |
1851 | ssl3_ctx_ctrl, \ | |
1852 | ssl3_get_cipher_by_char, \ | |
1853 | ssl3_put_cipher_by_char, \ | |
1854 | ssl3_pending, \ | |
1855 | ssl3_num_ciphers, \ | |
1856 | ssl3_get_cipher, \ | |
1857 | s_get_meth, \ | |
1858 | tls1_default_timeout, \ | |
1859 | &enc_data, \ | |
1860 | ssl_undefined_void_function, \ | |
1861 | ssl3_callback_ctrl, \ | |
1862 | ssl3_ctx_callback_ctrl, \ | |
1863 | }; \ | |
1864 | return &func_name##_data; \ | |
1865 | } | |
1866 | ||
1867 | # define IMPLEMENT_ssl3_meth_func(func_name, s_accept, s_connect, s_get_meth) \ | |
4ebb342f | 1868 | const SSL_METHOD *func_name(void) \ |
0f113f3e MC |
1869 | { \ |
1870 | static const SSL_METHOD func_name##_data= { \ | |
1871 | SSL3_VERSION, \ | |
1872 | ssl3_new, \ | |
1873 | ssl3_clear, \ | |
1874 | ssl3_free, \ | |
1875 | s_accept, \ | |
1876 | s_connect, \ | |
1877 | ssl3_read, \ | |
1878 | ssl3_peek, \ | |
1879 | ssl3_write, \ | |
1880 | ssl3_shutdown, \ | |
1881 | ssl3_renegotiate, \ | |
1882 | ssl3_renegotiate_check, \ | |
1883 | ssl3_get_message, \ | |
1884 | ssl3_read_bytes, \ | |
1885 | ssl3_write_bytes, \ | |
1886 | ssl3_dispatch_alert, \ | |
1887 | ssl3_ctrl, \ | |
1888 | ssl3_ctx_ctrl, \ | |
1889 | ssl3_get_cipher_by_char, \ | |
1890 | ssl3_put_cipher_by_char, \ | |
1891 | ssl3_pending, \ | |
1892 | ssl3_num_ciphers, \ | |
1893 | ssl3_get_cipher, \ | |
1894 | s_get_meth, \ | |
1895 | ssl3_default_timeout, \ | |
1896 | &SSLv3_enc_data, \ | |
1897 | ssl_undefined_void_function, \ | |
1898 | ssl3_callback_ctrl, \ | |
1899 | ssl3_ctx_callback_ctrl, \ | |
1900 | }; \ | |
1901 | return &func_name##_data; \ | |
1902 | } | |
1903 | ||
1904 | # define IMPLEMENT_ssl23_meth_func(func_name, s_accept, s_connect, s_get_meth) \ | |
4ebb342f | 1905 | const SSL_METHOD *func_name(void) \ |
0f113f3e MC |
1906 | { \ |
1907 | static const SSL_METHOD func_name##_data= { \ | |
1908 | TLS1_2_VERSION, \ | |
1909 | tls1_new, \ | |
1910 | tls1_clear, \ | |
1911 | tls1_free, \ | |
1912 | s_accept, \ | |
1913 | s_connect, \ | |
1914 | ssl23_read, \ | |
1915 | ssl23_peek, \ | |
1916 | ssl23_write, \ | |
1917 | ssl_undefined_function, \ | |
1918 | ssl_undefined_function, \ | |
1919 | ssl_ok, \ | |
1920 | ssl3_get_message, \ | |
1921 | ssl3_read_bytes, \ | |
1922 | ssl3_write_bytes, \ | |
1923 | ssl3_dispatch_alert, \ | |
1924 | ssl3_ctrl, \ | |
1925 | ssl3_ctx_ctrl, \ | |
1926 | ssl23_get_cipher_by_char, \ | |
1927 | ssl23_put_cipher_by_char, \ | |
1928 | ssl_undefined_const_function, \ | |
1929 | ssl23_num_ciphers, \ | |
1930 | ssl23_get_cipher, \ | |
1931 | s_get_meth, \ | |
1932 | ssl23_default_timeout, \ | |
1933 | &TLSv1_2_enc_data, \ | |
1934 | ssl_undefined_void_function, \ | |
1935 | ssl3_callback_ctrl, \ | |
1936 | ssl3_ctx_callback_ctrl, \ | |
1937 | }; \ | |
1938 | return &func_name##_data; \ | |
1939 | } | |
1940 | ||
1941 | # define IMPLEMENT_dtls1_meth_func(version, func_name, s_accept, s_connect, \ | |
1942 | s_get_meth, enc_data) \ | |
4ebb342f | 1943 | const SSL_METHOD *func_name(void) \ |
0f113f3e MC |
1944 | { \ |
1945 | static const SSL_METHOD func_name##_data= { \ | |
1946 | version, \ | |
1947 | dtls1_new, \ | |
1948 | dtls1_clear, \ | |
1949 | dtls1_free, \ | |
1950 | s_accept, \ | |
1951 | s_connect, \ | |
1952 | ssl3_read, \ | |
1953 | ssl3_peek, \ | |
1954 | ssl3_write, \ | |
1955 | dtls1_shutdown, \ | |
1956 | ssl3_renegotiate, \ | |
1957 | ssl3_renegotiate_check, \ | |
1958 | dtls1_get_message, \ | |
1959 | dtls1_read_bytes, \ | |
1960 | dtls1_write_app_data_bytes, \ | |
1961 | dtls1_dispatch_alert, \ | |
1962 | dtls1_ctrl, \ | |
1963 | ssl3_ctx_ctrl, \ | |
1964 | ssl3_get_cipher_by_char, \ | |
1965 | ssl3_put_cipher_by_char, \ | |
1966 | ssl3_pending, \ | |
1967 | ssl3_num_ciphers, \ | |
1968 | dtls1_get_cipher, \ | |
1969 | s_get_meth, \ | |
1970 | dtls1_default_timeout, \ | |
1971 | &enc_data, \ | |
1972 | ssl_undefined_void_function, \ | |
1973 | ssl3_callback_ctrl, \ | |
1974 | ssl3_ctx_callback_ctrl, \ | |
1975 | }; \ | |
1976 | return &func_name##_data; \ | |
1977 | } | |
1978 | ||
1979 | struct openssl_ssl_test_functions { | |
1980 | int (*p_ssl_init_wbio_buffer) (SSL *s, int push); | |
1981 | int (*p_ssl3_setup_buffers) (SSL *s); | |
1982 | int (*p_tls1_process_heartbeat) (SSL *s); | |
1983 | int (*p_dtls1_process_heartbeat) (SSL *s); | |
1984 | }; | |
1985 | ||
1986 | # ifndef OPENSSL_UNIT_TEST | |
e0fc7961 | 1987 | |
d02b48c6 RE |
1988 | void ssl_clear_cipher_ctx(SSL *s); |
1989 | int ssl_clear_bad_session(SSL *s); | |
4bcdb4a6 MC |
1990 | __owur CERT *ssl_cert_new(void); |
1991 | __owur CERT *ssl_cert_dup(CERT *cert); | |
4453cd8c | 1992 | void ssl_cert_set_default_md(CERT *cert); |
a5ee80b9 | 1993 | void ssl_cert_clear_certs(CERT *c); |
d02b48c6 | 1994 | void ssl_cert_free(CERT *c); |
4bcdb4a6 | 1995 | __owur SESS_CERT *ssl_sess_cert_new(void); |
b56bce4f | 1996 | void ssl_sess_cert_free(SESS_CERT *sc); |
4bcdb4a6 MC |
1997 | __owur int ssl_set_peer_cert_type(SESS_CERT *c, int type); |
1998 | __owur int ssl_get_new_session(SSL *s, int session); | |
1999 | __owur int ssl_get_prev_session(SSL *s, unsigned char *session, int len, | |
0f113f3e | 2000 | const unsigned char *limit); |
4bcdb4a6 | 2001 | __owur int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b); |
0f113f3e | 2002 | DECLARE_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, ssl_cipher_id); |
4bcdb4a6 | 2003 | __owur int ssl_cipher_ptr_id_cmp(const SSL_CIPHER *const *ap, |
0f113f3e | 2004 | const SSL_CIPHER *const *bp); |
4bcdb4a6 | 2005 | __owur STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s, unsigned char *p, |
0f113f3e MC |
2006 | int num, |
2007 | STACK_OF(SSL_CIPHER) **skp); | |
4bcdb4a6 | 2008 | __owur int ssl_cipher_list_to_bytes(SSL *s, STACK_OF(SSL_CIPHER) *sk, |
0f113f3e MC |
2009 | unsigned char *p, |
2010 | int (*put_cb) (const SSL_CIPHER *, | |
2011 | unsigned char *)); | |
4bcdb4a6 | 2012 | __owur STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *meth, |
0f113f3e MC |
2013 | STACK_OF(SSL_CIPHER) **pref, |
2014 | STACK_OF(SSL_CIPHER) **sorted, | |
2015 | const char *rule_str, CERT *c); | |
d02b48c6 | 2016 | void ssl_update_cache(SSL *s, int mode); |
4bcdb4a6 | 2017 | __owur int ssl_cipher_get_evp(const SSL_SESSION *s, const EVP_CIPHER **enc, |
0f113f3e MC |
2018 | const EVP_MD **md, int *mac_pkey_type, |
2019 | int *mac_secret_size, SSL_COMP **comp, int use_etm); | |
4bcdb4a6 MC |
2020 | __owur int ssl_get_handshake_digest(int i, long *mask, const EVP_MD **md); |
2021 | __owur int ssl_cipher_get_cert_index(const SSL_CIPHER *c); | |
2022 | __owur const SSL_CIPHER *ssl_get_cipher_by_char(SSL *ssl, const unsigned char *ptr); | |
2023 | __owur int ssl_cert_set0_chain(SSL *s, SSL_CTX *ctx, STACK_OF(X509) *chain); | |
2024 | __owur int ssl_cert_set1_chain(SSL *s, SSL_CTX *ctx, STACK_OF(X509) *chain); | |
2025 | __owur int ssl_cert_add0_chain_cert(SSL *s, SSL_CTX *ctx, X509 *x); | |
2026 | __owur int ssl_cert_add1_chain_cert(SSL *s, SSL_CTX *ctx, X509 *x); | |
2027 | __owur int ssl_cert_select_current(CERT *c, X509 *x); | |
2028 | __owur int ssl_cert_set_current(CERT *c, long arg); | |
2029 | __owur X509 *ssl_cert_get0_next_certificate(CERT *c, int first); | |
0f113f3e MC |
2030 | void ssl_cert_set_cert_cb(CERT *c, int (*cb) (SSL *ssl, void *arg), |
2031 | void *arg); | |
f71c6e52 | 2032 | |
4bcdb4a6 MC |
2033 | __owur int ssl_verify_cert_chain(SSL *s, STACK_OF(X509) *sk); |
2034 | __owur int ssl_add_cert_chain(SSL *s, CERT_PKEY *cpk, unsigned long *l); | |
2035 | __owur int ssl_build_cert_chain(SSL *s, SSL_CTX *ctx, int flags); | |
2036 | __owur int ssl_cert_set_cert_store(CERT *c, X509_STORE *store, int chain, int ref); | |
b362ccab | 2037 | |
4bcdb4a6 MC |
2038 | __owur int ssl_security(SSL *s, int op, int bits, int nid, void *other); |
2039 | __owur int ssl_ctx_security(SSL_CTX *ctx, int op, int bits, int nid, void *other); | |
b362ccab | 2040 | |
d02b48c6 | 2041 | int ssl_undefined_function(SSL *s); |
4bcdb4a6 MC |
2042 | __owur int ssl_undefined_void_function(void); |
2043 | __owur int ssl_undefined_const_function(const SSL *s); | |
2044 | __owur CERT_PKEY *ssl_get_server_send_pkey(const SSL *s); | |
0f113f3e | 2045 | # ifndef OPENSSL_NO_TLSEXT |
4bcdb4a6 | 2046 | __owur int ssl_get_server_cert_serverinfo(SSL *s, const unsigned char **serverinfo, |
0f113f3e MC |
2047 | size_t *serverinfo_length); |
2048 | # endif | |
4bcdb4a6 MC |
2049 | __owur EVP_PKEY *ssl_get_sign_pkey(SSL *s, const SSL_CIPHER *c, const EVP_MD **pmd); |
2050 | __owur int ssl_cert_type(X509 *x, EVP_PKEY *pkey); | |
babb3798 | 2051 | void ssl_set_cert_masks(CERT *c, const SSL_CIPHER *cipher); |
4bcdb4a6 MC |
2052 | __owur STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s); |
2053 | __owur int ssl_verify_alarm_type(long type); | |
7f3c9036 | 2054 | void ssl_load_ciphers(void); |
4bcdb4a6 | 2055 | __owur int ssl_fill_hello_random(SSL *s, int server, unsigned char *field, int len); |
d02b48c6 | 2056 | |
4bcdb4a6 MC |
2057 | __owur const SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p); |
2058 | __owur int ssl3_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p); | |
d02b48c6 | 2059 | void ssl3_init_finished_mac(SSL *s); |
4bcdb4a6 MC |
2060 | __owur int ssl3_send_server_certificate(SSL *s); |
2061 | __owur int ssl3_send_newsession_ticket(SSL *s); | |
2062 | __owur int ssl3_send_cert_status(SSL *s); | |
2063 | __owur int ssl3_get_finished(SSL *s, int state_a, int state_b); | |
2064 | __owur int ssl3_setup_key_block(SSL *s); | |
2065 | __owur int ssl3_send_change_cipher_spec(SSL *s, int state_a, int state_b); | |
2066 | __owur int ssl3_change_cipher_state(SSL *s, int which); | |
d02b48c6 | 2067 | void ssl3_cleanup_key_block(SSL *s); |
4bcdb4a6 | 2068 | __owur int ssl3_do_write(SSL *s, int type); |
0f113f3e | 2069 | int ssl3_send_alert(SSL *s, int level, int desc); |
4bcdb4a6 | 2070 | __owur int ssl3_generate_master_secret(SSL *s, unsigned char *out, |
0f113f3e | 2071 | unsigned char *p, int len); |
4bcdb4a6 MC |
2072 | __owur int ssl3_get_req_cert_type(SSL *s, unsigned char *p); |
2073 | __owur long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok); | |
2074 | __owur int ssl3_send_finished(SSL *s, int a, int b, const char *sender, int slen); | |
2075 | __owur int ssl3_num_ciphers(void); | |
2076 | __owur const SSL_CIPHER *ssl3_get_cipher(unsigned int u); | |
0f113f3e MC |
2077 | int ssl3_renegotiate(SSL *ssl); |
2078 | int ssl3_renegotiate_check(SSL *ssl); | |
4bcdb4a6 | 2079 | __owur int ssl3_dispatch_alert(SSL *s); |
4bcdb4a6 | 2080 | __owur int ssl3_final_finish_mac(SSL *s, const char *sender, int slen, |
0f113f3e | 2081 | unsigned char *p); |
4bcdb4a6 | 2082 | __owur int ssl3_cert_verify_mac(SSL *s, int md_nid, unsigned char *p); |
e778802f | 2083 | void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len); |
81025661 | 2084 | void ssl3_free_digest_list(SSL *s); |
4bcdb4a6 MC |
2085 | __owur unsigned long ssl3_output_cert_chain(SSL *s, CERT_PKEY *cpk); |
2086 | __owur SSL_CIPHER *ssl3_choose_cipher(SSL *ssl, STACK_OF(SSL_CIPHER) *clnt, | |
0f113f3e | 2087 | STACK_OF(SSL_CIPHER) *srvr); |
4bcdb4a6 MC |
2088 | __owur int ssl3_digest_cached_records(SSL *s); |
2089 | __owur int ssl3_new(SSL *s); | |
0f113f3e | 2090 | void ssl3_free(SSL *s); |
4bcdb4a6 MC |
2091 | __owur int ssl3_accept(SSL *s); |
2092 | __owur int ssl3_connect(SSL *s); | |
2093 | __owur int ssl3_read(SSL *s, void *buf, int len); | |
2094 | __owur int ssl3_peek(SSL *s, void *buf, int len); | |
2095 | __owur int ssl3_write(SSL *s, const void *buf, int len); | |
2096 | __owur int ssl3_shutdown(SSL *s); | |
0f113f3e | 2097 | void ssl3_clear(SSL *s); |
4bcdb4a6 MC |
2098 | __owur long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg); |
2099 | __owur long ssl3_ctx_ctrl(SSL_CTX *s, int cmd, long larg, void *parg); | |
2100 | __owur long ssl3_callback_ctrl(SSL *s, int cmd, void (*fp) (void)); | |
2101 | __owur long ssl3_ctx_callback_ctrl(SSL_CTX *s, int cmd, void (*fp) (void)); | |
d02b48c6 | 2102 | |
beb056b3 | 2103 | void ssl3_record_sequence_update(unsigned char *seq); |
4bcdb4a6 MC |
2104 | __owur int ssl3_do_change_cipher_spec(SSL *ssl); |
2105 | __owur long ssl3_default_timeout(void); | |
f3b656b2 | 2106 | |
77d514c5 | 2107 | __owur int ssl3_set_handshake_header(SSL *s, int htype, unsigned long len); |
4bcdb4a6 MC |
2108 | __owur int ssl3_handshake_write(SSL *s); |
2109 | ||
2110 | __owur int ssl23_num_ciphers(void); | |
2111 | __owur const SSL_CIPHER *ssl23_get_cipher(unsigned int u); | |
2112 | __owur int ssl23_read(SSL *s, void *buf, int len); | |
2113 | __owur int ssl23_peek(SSL *s, void *buf, int len); | |
2114 | __owur int ssl23_write(SSL *s, const void *buf, int len); | |
2115 | __owur int ssl23_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p); | |
2116 | __owur const SSL_CIPHER *ssl23_get_cipher_by_char(const unsigned char *p); | |
2117 | __owur long ssl23_default_timeout(void); | |
2118 | ||
2119 | __owur int ssl_allow_compression(SSL *s); | |
2120 | ||
2121 | __owur long tls1_default_timeout(void); | |
2122 | __owur int dtls1_do_write(SSL *s, int type); | |
4bcdb4a6 MC |
2123 | void dtls1_set_message_header(SSL *s, |
2124 | unsigned char *p, unsigned char mt, | |
2125 | unsigned long len, | |
2126 | unsigned long frag_off, | |
2127 | unsigned long frag_len); | |
2128 | ||
2129 | __owur int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf, int len); | |
2130 | __owur int dtls1_write_bytes(SSL *s, int type, const void *buf, int len); | |
2131 | ||
2132 | __owur int dtls1_send_change_cipher_spec(SSL *s, int a, int b); | |
2133 | __owur int dtls1_send_finished(SSL *s, int a, int b, const char *sender, int slen); | |
2134 | __owur int dtls1_read_failed(SSL *s, int code); | |
2135 | __owur int dtls1_buffer_message(SSL *s, int ccs); | |
2136 | __owur int dtls1_retransmit_message(SSL *s, unsigned short seq, | |
0f113f3e | 2137 | unsigned long frag_off, int *found); |
4bcdb4a6 | 2138 | __owur int dtls1_get_queue_priority(unsigned short seq, int is_ccs); |
17dd65e6 | 2139 | int dtls1_retransmit_buffered_messages(SSL *s); |
480506bd | 2140 | void dtls1_clear_record_buffer(SSL *s); |
0f113f3e MC |
2141 | void dtls1_get_message_header(unsigned char *data, |
2142 | struct hm_header_st *msg_hdr); | |
480506bd | 2143 | void dtls1_get_ccs_header(unsigned char *data, struct ccs_header_st *ccs_hdr); |
4bcdb4a6 MC |
2144 | __owur long dtls1_default_timeout(void); |
2145 | __owur struct timeval *dtls1_get_timeout(SSL *s, struct timeval *timeleft); | |
2146 | __owur int dtls1_check_timeout_num(SSL *s); | |
2147 | __owur int dtls1_handle_timeout(SSL *s); | |
2148 | __owur const SSL_CIPHER *dtls1_get_cipher(unsigned int u); | |
9289f21b DSH |
2149 | void dtls1_start_timer(SSL *s); |
2150 | void dtls1_stop_timer(SSL *s); | |
4bcdb4a6 | 2151 | __owur int dtls1_is_timer_expired(SSL *s); |
9289f21b | 2152 | void dtls1_double_timeout(SSL *s); |
4bcdb4a6 MC |
2153 | __owur int dtls1_send_newsession_ticket(SSL *s); |
2154 | __owur unsigned int dtls1_min_mtu(SSL *s); | |
2155 | __owur unsigned int dtls1_link_min_mtu(void); | |
8a35dbb6 | 2156 | void dtls1_hm_fragment_free(hm_fragment *frag); |
480506bd BM |
2157 | |
2158 | /* some client-only functions */ | |
4bcdb4a6 MC |
2159 | __owur int ssl3_client_hello(SSL *s); |
2160 | __owur int ssl3_get_server_hello(SSL *s); | |
2161 | __owur int ssl3_get_certificate_request(SSL *s); | |
2162 | __owur int ssl3_get_new_session_ticket(SSL *s); | |
2163 | __owur int ssl3_get_cert_status(SSL *s); | |
2164 | __owur int ssl3_get_server_done(SSL *s); | |
2165 | __owur int ssl3_send_client_verify(SSL *s); | |
2166 | __owur int ssl3_send_client_certificate(SSL *s); | |
2167 | __owur int ssl_do_client_cert_cb(SSL *s, X509 **px509, EVP_PKEY **ppkey); | |
2168 | __owur int ssl3_send_client_key_exchange(SSL *s); | |
2169 | __owur int ssl3_get_key_exchange(SSL *s); | |
2170 | __owur int ssl3_get_server_certificate(SSL *s); | |
2171 | __owur int ssl3_check_cert_and_algorithm(SSL *s); | |
0f113f3e MC |
2172 | # ifndef OPENSSL_NO_TLSEXT |
2173 | # ifndef OPENSSL_NO_NEXTPROTONEG | |
4bcdb4a6 | 2174 | __owur int ssl3_send_next_proto(SSL *s); |
0f113f3e MC |
2175 | # endif |
2176 | # endif | |
beb056b3 | 2177 | |
480506bd | 2178 | int dtls1_client_hello(SSL *s); |
480506bd BM |
2179 | |
2180 | /* some server-only functions */ | |
4bcdb4a6 MC |
2181 | __owur int ssl3_get_client_hello(SSL *s); |
2182 | __owur int ssl3_send_server_hello(SSL *s); | |
2183 | __owur int ssl3_send_hello_request(SSL *s); | |
2184 | __owur int ssl3_send_server_key_exchange(SSL *s); | |
2185 | __owur int ssl3_send_certificate_request(SSL *s); | |
2186 | __owur int ssl3_send_server_done(SSL *s); | |
2187 | __owur int ssl3_get_client_certificate(SSL *s); | |
2188 | __owur int ssl3_get_client_key_exchange(SSL *s); | |
2189 | __owur int ssl3_get_cert_verify(SSL *s); | |
0f113f3e | 2190 | # ifndef OPENSSL_NO_NEXTPROTONEG |
4bcdb4a6 | 2191 | __owur int ssl3_get_next_proto(SSL *s); |
0f113f3e | 2192 | # endif |
beb056b3 | 2193 | |
4bcdb4a6 MC |
2194 | __owur int ssl23_accept(SSL *s); |
2195 | __owur int ssl23_connect(SSL *s); | |
d02b48c6 | 2196 | |
4bcdb4a6 | 2197 | __owur int tls1_new(SSL *s); |
58964a49 RE |
2198 | void tls1_free(SSL *s); |
2199 | void tls1_clear(SSL *s); | |
0f113f3e MC |
2200 | long tls1_ctrl(SSL *s, int cmd, long larg, void *parg); |
2201 | long tls1_callback_ctrl(SSL *s, int cmd, void (*fp) (void)); | |
58964a49 | 2202 | |
4bcdb4a6 MC |
2203 | __owur int dtls1_new(SSL *s); |
2204 | __owur int dtls1_accept(SSL *s); | |
2205 | __owur int dtls1_connect(SSL *s); | |
36d16f8e BL |
2206 | void dtls1_free(SSL *s); |
2207 | void dtls1_clear(SSL *s); | |
0f113f3e | 2208 | long dtls1_ctrl(SSL *s, int cmd, long larg, void *parg); |
4bcdb4a6 | 2209 | __owur int dtls1_shutdown(SSL *s); |
36d16f8e | 2210 | |
4bcdb4a6 | 2211 | __owur long dtls1_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok); |
4bcdb4a6 | 2212 | __owur int dtls1_dispatch_alert(SSL *s); |
36d16f8e | 2213 | |
4bcdb4a6 | 2214 | __owur int ssl_init_wbio_buffer(SSL *s, int push); |
413c4f45 | 2215 | void ssl_free_wbio_buffer(SSL *s); |
58964a49 | 2216 | |
4bcdb4a6 MC |
2217 | __owur int tls1_change_cipher_state(SSL *s, int which); |
2218 | __owur int tls1_setup_key_block(SSL *s); | |
4bcdb4a6 | 2219 | __owur int tls1_final_finish_mac(SSL *s, |
0f113f3e | 2220 | const char *str, int slen, unsigned char *p); |
4bcdb4a6 | 2221 | __owur int tls1_cert_verify_mac(SSL *s, int md_nid, unsigned char *p); |
4bcdb4a6 | 2222 | __owur int tls1_generate_master_secret(SSL *s, unsigned char *out, |
0f113f3e | 2223 | unsigned char *p, int len); |
4bcdb4a6 | 2224 | __owur int tls1_export_keying_material(SSL *s, unsigned char *out, size_t olen, |
0f113f3e MC |
2225 | const char *label, size_t llen, |
2226 | const unsigned char *p, size_t plen, | |
2227 | int use_context); | |
4bcdb4a6 MC |
2228 | __owur int tls1_alert_code(int code); |
2229 | __owur int ssl3_alert_code(int code); | |
2230 | __owur int ssl_ok(SSL *s); | |
58964a49 | 2231 | |
10bf4fc2 | 2232 | # ifndef OPENSSL_NO_EC |
4bcdb4a6 | 2233 | __owur int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s); |
0f113f3e | 2234 | # endif |
41fdcfa7 | 2235 | |
f73e07cf | 2236 | SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n); |
413c4f45 | 2237 | |
0f113f3e | 2238 | # ifndef OPENSSL_NO_EC |
4bcdb4a6 MC |
2239 | __owur int tls1_ec_curve_id2nid(int curve_id); |
2240 | __owur int tls1_ec_nid2curve_id(int nid); | |
2241 | __owur int tls1_check_curve(SSL *s, const unsigned char *p, size_t len); | |
2242 | __owur int tls1_shared_curve(SSL *s, int nmatch); | |
2243 | __owur int tls1_set_curves(unsigned char **pext, size_t *pextlen, | |
0f113f3e | 2244 | int *curves, size_t ncurves); |
4bcdb4a6 | 2245 | __owur int tls1_set_curves_list(unsigned char **pext, size_t *pextlen, |
0f113f3e | 2246 | const char *str); |
4bcdb4a6 | 2247 | __owur int tls1_check_ec_tmp_key(SSL *s, unsigned long id); |
0f113f3e | 2248 | # endif /* OPENSSL_NO_EC */ |
33273721 | 2249 | |
0f113f3e | 2250 | # ifndef OPENSSL_NO_TLSEXT |
4bcdb4a6 | 2251 | __owur int tls1_shared_list(SSL *s, |
0f113f3e MC |
2252 | const unsigned char *l1, size_t l1len, |
2253 | const unsigned char *l2, size_t l2len, int nmatch); | |
4bcdb4a6 | 2254 | __owur unsigned char *ssl_add_clienthello_tlsext(SSL *s, unsigned char *buf, |
0f113f3e | 2255 | unsigned char *limit, int *al); |
4bcdb4a6 | 2256 | __owur unsigned char *ssl_add_serverhello_tlsext(SSL *s, unsigned char *buf, |
0f113f3e | 2257 | unsigned char *limit, int *al); |
4bcdb4a6 | 2258 | __owur int ssl_parse_clienthello_tlsext(SSL *s, unsigned char **data, |
0f113f3e | 2259 | unsigned char *d, int n); |
4bcdb4a6 MC |
2260 | __owur int tls1_set_server_sigalgs(SSL *s); |
2261 | __owur int ssl_check_clienthello_tlsext_late(SSL *s); | |
2262 | __owur int ssl_parse_serverhello_tlsext(SSL *s, unsigned char **data, | |
0f113f3e | 2263 | unsigned char *d, int n); |
4bcdb4a6 MC |
2264 | __owur int ssl_prepare_clienthello_tlsext(SSL *s); |
2265 | __owur int ssl_prepare_serverhello_tlsext(SSL *s); | |
49968440 | 2266 | |
0f113f3e | 2267 | # ifndef OPENSSL_NO_HEARTBEATS |
4bcdb4a6 MC |
2268 | __owur int tls1_heartbeat(SSL *s); |
2269 | __owur int dtls1_heartbeat(SSL *s); | |
2270 | __owur int tls1_process_heartbeat(SSL *s); | |
2271 | __owur int dtls1_process_heartbeat(SSL *s); | |
0f113f3e | 2272 | # endif |
4817504d | 2273 | |
4bcdb4a6 | 2274 | __owur int tls1_process_ticket(SSL *s, unsigned char *session_id, int len, |
0f113f3e | 2275 | const unsigned char *limit, SSL_SESSION **ret); |
a2f9200f | 2276 | |
4bcdb4a6 | 2277 | __owur int tls12_get_sigandhash(unsigned char *p, const EVP_PKEY *pk, |
0f113f3e | 2278 | const EVP_MD *md); |
4bcdb4a6 MC |
2279 | __owur int tls12_get_sigid(const EVP_PKEY *pk); |
2280 | __owur const EVP_MD *tls12_get_hash(unsigned char hash_alg); | |
b362ccab | 2281 | void ssl_set_sig_mask(unsigned long *pmask_a, SSL *s, int op); |
a2f9200f | 2282 | |
4bcdb4a6 MC |
2283 | __owur int tls1_set_sigalgs_list(CERT *c, const char *str, int client); |
2284 | __owur int tls1_set_sigalgs(CERT *c, const int *salg, size_t salglen, int client); | |
17dd65e6 | 2285 | int tls1_check_chain(SSL *s, X509 *x, EVP_PKEY *pk, STACK_OF(X509) *chain, |
0f113f3e | 2286 | int idx); |
d61ff83b | 2287 | void tls1_set_cert_validity(SSL *s); |
0f229cce | 2288 | |
0f113f3e MC |
2289 | # endif |
2290 | # ifndef OPENSSL_NO_DH | |
4bcdb4a6 | 2291 | __owur DH *ssl_get_auto_dh(SSL *s); |
0f113f3e | 2292 | # endif |
b362ccab | 2293 | |
4bcdb4a6 MC |
2294 | __owur int ssl_security_cert(SSL *s, SSL_CTX *ctx, X509 *x, int vfy, int is_ee); |
2295 | __owur int ssl_security_cert_chain(SSL *s, STACK_OF(X509) *sk, X509 *ex, int vfy); | |
b362ccab | 2296 | |
4bcdb4a6 | 2297 | __owur EVP_MD_CTX *ssl_replace_hash(EVP_MD_CTX **hash, const EVP_MD *md); |
b948e2c5 | 2298 | void ssl_clear_hash_ctx(EVP_MD_CTX **hash); |
4bcdb4a6 | 2299 | __owur int ssl_add_serverhello_renegotiate_ext(SSL *s, unsigned char *p, int *len, |
0f113f3e | 2300 | int maxlen); |
4bcdb4a6 | 2301 | __owur int ssl_parse_serverhello_renegotiate_ext(SSL *s, unsigned char *d, int len, |
0f113f3e | 2302 | int *al); |
4bcdb4a6 | 2303 | __owur int ssl_add_clienthello_renegotiate_ext(SSL *s, unsigned char *p, int *len, |
0f113f3e | 2304 | int maxlen); |
4bcdb4a6 | 2305 | __owur int ssl_parse_clienthello_renegotiate_ext(SSL *s, unsigned char *d, int len, |
0f113f3e | 2306 | int *al); |
4bcdb4a6 MC |
2307 | __owur long ssl_get_algorithm2(SSL *s); |
2308 | __owur size_t tls12_copy_sigalgs(SSL *s, unsigned char *out, | |
0f113f3e | 2309 | const unsigned char *psig, size_t psiglen); |
4bcdb4a6 MC |
2310 | __owur int tls1_save_sigalgs(SSL *s, const unsigned char *data, int dsize); |
2311 | __owur int tls1_process_sigalgs(SSL *s); | |
2312 | __owur size_t tls12_get_psigalgs(SSL *s, const unsigned char **psigs); | |
2313 | __owur int tls12_check_peer_sigalg(const EVP_MD **pmd, SSL *s, | |
0f113f3e | 2314 | const unsigned char *sig, EVP_PKEY *pkey); |
b7bfe69b | 2315 | void ssl_set_client_disabled(SSL *s); |
4bcdb4a6 | 2316 | __owur int ssl_cipher_disabled(SSL *s, const SSL_CIPHER *c, int op); |
1c78c43b | 2317 | |
4bcdb4a6 | 2318 | __owur int ssl_add_clienthello_use_srtp_ext(SSL *s, unsigned char *p, int *len, |
0f113f3e | 2319 | int maxlen); |
4bcdb4a6 | 2320 | __owur int ssl_parse_clienthello_use_srtp_ext(SSL *s, unsigned char *d, int len, |
0f113f3e | 2321 | int *al); |
4bcdb4a6 | 2322 | __owur int ssl_add_serverhello_use_srtp_ext(SSL *s, unsigned char *p, int *len, |
0f113f3e | 2323 | int maxlen); |
4bcdb4a6 | 2324 | __owur int ssl_parse_serverhello_use_srtp_ext(SSL *s, unsigned char *d, int len, |
0f113f3e | 2325 | int *al); |
1c78c43b | 2326 | |
4bcdb4a6 | 2327 | __owur int ssl_handshake_hash(SSL *s, unsigned char *out, int outlen); |
48fbcbac | 2328 | |
2acc020b | 2329 | /* s3_cbc.c */ |
4bcdb4a6 | 2330 | __owur char ssl3_cbc_record_digest_supported(const EVP_MD_CTX *ctx); |
0f113f3e MC |
2331 | void ssl3_cbc_digest_record(const EVP_MD_CTX *ctx, |
2332 | unsigned char *md_out, | |
2333 | size_t *md_out_size, | |
2334 | const unsigned char header[13], | |
2335 | const unsigned char *data, | |
2336 | size_t data_plus_mac_size, | |
2337 | size_t data_plus_mac_plus_padding_size, | |
2338 | const unsigned char *mac_secret, | |
2339 | unsigned mac_secret_length, char is_sslv3); | |
2340 | ||
2341 | void tls_fips_digest_extra(const EVP_CIPHER_CTX *cipher_ctx, | |
2342 | EVP_MD_CTX *mac_ctx, const unsigned char *data, | |
2343 | size_t data_len, size_t orig_len); | |
0989790b | 2344 | |
4bcdb4a6 | 2345 | __owur int srp_verify_server_param(SSL *s, int *al); |
0989790b | 2346 | |
ecf4d660 DSH |
2347 | /* t1_ext.c */ |
2348 | ||
28ea0a0c DSH |
2349 | void custom_ext_init(custom_ext_methods *meths); |
2350 | ||
4bcdb4a6 | 2351 | __owur int custom_ext_parse(SSL *s, int server, |
0f113f3e MC |
2352 | unsigned int ext_type, |
2353 | const unsigned char *ext_data, size_t ext_size, int *al); | |
4bcdb4a6 | 2354 | __owur int custom_ext_add(SSL *s, int server, |
0f113f3e | 2355 | unsigned char **pret, unsigned char *limit, int *al); |
ecf4d660 | 2356 | |
4bcdb4a6 | 2357 | __owur int custom_exts_copy(custom_ext_methods *dst, const custom_ext_methods *src); |
ecf4d660 DSH |
2358 | void custom_exts_free(custom_ext_methods *exts); |
2359 | ||
0f113f3e | 2360 | # else |
e0fc7961 | 2361 | |
0f113f3e MC |
2362 | # define ssl_init_wbio_buffer SSL_test_functions()->p_ssl_init_wbio_buffer |
2363 | # define ssl3_setup_buffers SSL_test_functions()->p_ssl3_setup_buffers | |
2364 | # define tls1_process_heartbeat SSL_test_functions()->p_tls1_process_heartbeat | |
2365 | # define dtls1_process_heartbeat SSL_test_functions()->p_dtls1_process_heartbeat | |
c4e6fb15 | 2366 | |
0f113f3e | 2367 | # endif |
e0fc7961 | 2368 | #endif |