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OpenSSL: update to 1.0.2c
[tomato.git] / release / src / router / openssl / ssl / ssl_locl.h
blob6c2c551e5e341e05fd44520ccb411895537021a7
1 /* ssl/ssl_locl.h */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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.
8 *
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).
15 *
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.
22 *
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 :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
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.
52 *
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 */
58 /* ====================================================================
59 * Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved.
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
66 * notice, this list of conditions and the following disclaimer.
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 */
111 /* ====================================================================
112 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
113 * ECC cipher suite support in OpenSSL originally developed by
114 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
115 */
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 */
142
143 #ifndef HEADER_SSL_LOCL_H
144 # define HEADER_SSL_LOCL_H
145 # include <stdlib.h>
146 # include <time.h>
147 # include <string.h>
148 # include <errno.h>
149
150 # include "e_os.h"
151
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>
167
168 # ifdef OPENSSL_BUILD_SHLIBSSL
169 # undef OPENSSL_EXTERN
170 # define OPENSSL_EXTERN OPENSSL_EXPORT
171 # endif
172
173 # undef PKCS1_CHECK
174
175 # define c2l(c,l) (l = ((unsigned long)(*((c)++))) , \
176 l|=(((unsigned long)(*((c)++)))<< 8), \
177 l|=(((unsigned long)(*((c)++)))<<16), \
178 l|=(((unsigned long)(*((c)++)))<<24))
179
180 /* NOTE - c is not incremented as per c2l */
181 # define c2ln(c,l1,l2,n) { \
182 c+=n; \
183 l1=l2=0; \
184 switch (n) { \
185 case 8: l2 =((unsigned long)(*(--(c))))<<24; \
186 case 7: l2|=((unsigned long)(*(--(c))))<<16; \
187 case 6: l2|=((unsigned long)(*(--(c))))<< 8; \
188 case 5: l2|=((unsigned long)(*(--(c)))); \
189 case 4: l1 =((unsigned long)(*(--(c))))<<24; \
190 case 3: l1|=((unsigned long)(*(--(c))))<<16; \
191 case 2: l1|=((unsigned long)(*(--(c))))<< 8; \
192 case 1: l1|=((unsigned long)(*(--(c)))); \
193 } \
194 }
195
196 # define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \
197 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
198 *((c)++)=(unsigned char)(((l)>>16)&0xff), \
199 *((c)++)=(unsigned char)(((l)>>24)&0xff))
200
201 # define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24, \
202 l|=((unsigned long)(*((c)++)))<<16, \
203 l|=((unsigned long)(*((c)++)))<< 8, \
204 l|=((unsigned long)(*((c)++))))
205
206 # define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24)&0xff), \
207 *((c)++)=(unsigned char)(((l)>>16)&0xff), \
208 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
209 *((c)++)=(unsigned char)(((l) )&0xff))
210
211 # define l2n6(l,c) (*((c)++)=(unsigned char)(((l)>>40)&0xff), \
212 *((c)++)=(unsigned char)(((l)>>32)&0xff), \
213 *((c)++)=(unsigned char)(((l)>>24)&0xff), \
214 *((c)++)=(unsigned char)(((l)>>16)&0xff), \
215 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
216 *((c)++)=(unsigned char)(((l) )&0xff))
217
218 # define l2n8(l,c) (*((c)++)=(unsigned char)(((l)>>56)&0xff), \
219 *((c)++)=(unsigned char)(((l)>>48)&0xff), \
220 *((c)++)=(unsigned char)(((l)>>40)&0xff), \
221 *((c)++)=(unsigned char)(((l)>>32)&0xff), \
222 *((c)++)=(unsigned char)(((l)>>24)&0xff), \
223 *((c)++)=(unsigned char)(((l)>>16)&0xff), \
224 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
225 *((c)++)=(unsigned char)(((l) )&0xff))
226
227 # define n2l6(c,l) (l =((BN_ULLONG)(*((c)++)))<<40, \
228 l|=((BN_ULLONG)(*((c)++)))<<32, \
229 l|=((BN_ULLONG)(*((c)++)))<<24, \
230 l|=((BN_ULLONG)(*((c)++)))<<16, \
231 l|=((BN_ULLONG)(*((c)++)))<< 8, \
232 l|=((BN_ULLONG)(*((c)++))))
233
234 /* NOTE - c is not incremented as per l2c */
235 # define l2cn(l1,l2,c,n) { \
236 c+=n; \
237 switch (n) { \
238 case 8: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \
239 case 7: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \
240 case 6: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \
241 case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \
242 case 4: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \
243 case 3: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \
244 case 2: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \
245 case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \
246 } \
247 }
248
249 # define n2s(c,s) ((s=(((unsigned int)(c[0]))<< 8)| \
250 (((unsigned int)(c[1])) )),c+=2)
251 # define s2n(s,c) ((c[0]=(unsigned char)(((s)>> 8)&0xff), \
252 c[1]=(unsigned char)(((s) )&0xff)),c+=2)
253
254 # define n2l3(c,l) ((l =(((unsigned long)(c[0]))<<16)| \
255 (((unsigned long)(c[1]))<< 8)| \
256 (((unsigned long)(c[2])) )),c+=3)
257
258 # define l2n3(l,c) ((c[0]=(unsigned char)(((l)>>16)&0xff), \
259 c[1]=(unsigned char)(((l)>> 8)&0xff), \
260 c[2]=(unsigned char)(((l) )&0xff)),c+=3)
261
262 /* LOCAL STUFF */
263
264 # define SSL_DECRYPT 0
265 # define SSL_ENCRYPT 1
266
267 # define TWO_BYTE_BIT 0x80
268 # define SEC_ESC_BIT 0x40
269 # define TWO_BYTE_MASK 0x7fff
270 # define THREE_BYTE_MASK 0x3fff
271
272 # define INC32(a) ((a)=((a)+1)&0xffffffffL)
273 # define DEC32(a) ((a)=((a)-1)&0xffffffffL)
274 # define MAX_MAC_SIZE 20 /* up from 16 for SSLv3 */
275
276 /*
277 * Define the Bitmasks for SSL_CIPHER.algorithms.
278 * This bits are used packed as dense as possible. If new methods/ciphers
279 * etc will be added, the bits a likely to change, so this information
280 * is for internal library use only, even though SSL_CIPHER.algorithms
281 * can be publicly accessed.
282 * Use the according functions for cipher management instead.
283 *
284 * The bit mask handling in the selection and sorting scheme in
285 * ssl_create_cipher_list() has only limited capabilities, reflecting
286 * that the different entities within are mutually exclusive:
287 * ONLY ONE BIT PER MASK CAN BE SET AT A TIME.
288 */
289
290 /* Bits for algorithm_mkey (key exchange algorithm) */
291 /* RSA key exchange */
292 # define SSL_kRSA 0x00000001L
293 /* DH cert, RSA CA cert */
294 # define SSL_kDHr 0x00000002L
295 /* DH cert, DSA CA cert */
296 # define SSL_kDHd 0x00000004L
297 /* tmp DH key no DH cert */
298 # define SSL_kEDH 0x00000008L
299 /* forward-compatible synonym */
300 # define SSL_kDHE SSL_kEDH
301 /* Kerberos5 key exchange */
302 # define SSL_kKRB5 0x00000010L
303 /* ECDH cert, RSA CA cert */
304 # define SSL_kECDHr 0x00000020L
305 /* ECDH cert, ECDSA CA cert */
306 # define SSL_kECDHe 0x00000040L
307 /* ephemeral ECDH */
308 # define SSL_kEECDH 0x00000080L
309 /* forward-compatible synonym */
310 # define SSL_kECDHE SSL_kEECDH
311 /* PSK */
312 # define SSL_kPSK 0x00000100L
313 /* GOST key exchange */
314 # define SSL_kGOST 0x00000200L
315 /* SRP */
316 # define SSL_kSRP 0x00000400L
317
318 /* Bits for algorithm_auth (server authentication) */
319 /* RSA auth */
320 # define SSL_aRSA 0x00000001L
321 /* DSS auth */
322 # define SSL_aDSS 0x00000002L
323 /* no auth (i.e. use ADH or AECDH) */
324 # define SSL_aNULL 0x00000004L
325 /* Fixed DH auth (kDHd or kDHr) */
326 # define SSL_aDH 0x00000008L
327 /* Fixed ECDH auth (kECDHe or kECDHr) */
328 # define SSL_aECDH 0x00000010L
329 /* KRB5 auth */
330 # define SSL_aKRB5 0x00000020L
331 /* ECDSA auth*/
332 # define SSL_aECDSA 0x00000040L
333 /* PSK auth */
334 # define SSL_aPSK 0x00000080L
335 /* GOST R 34.10-94 signature auth */
336 # define SSL_aGOST94 0x00000100L
337 /* GOST R 34.10-2001 signature auth */
338 # define SSL_aGOST01 0x00000200L
339 /* SRP auth */
340 # define SSL_aSRP 0x00000400L
341
342 /* Bits for algorithm_enc (symmetric encryption) */
343 # define SSL_DES 0x00000001L
344 # define SSL_3DES 0x00000002L
345 # define SSL_RC4 0x00000004L
346 # define SSL_RC2 0x00000008L
347 # define SSL_IDEA 0x00000010L
348 # define SSL_eNULL 0x00000020L
349 # define SSL_AES128 0x00000040L
350 # define SSL_AES256 0x00000080L
351 # define SSL_CAMELLIA128 0x00000100L
352 # define SSL_CAMELLIA256 0x00000200L
353 # define SSL_eGOST2814789CNT 0x00000400L
354 # define SSL_SEED 0x00000800L
355 # define SSL_AES128GCM 0x00001000L
356 # define SSL_AES256GCM 0x00002000L
357
358 # define SSL_AES (SSL_AES128|SSL_AES256|SSL_AES128GCM|SSL_AES256GCM)
359 # define SSL_CAMELLIA (SSL_CAMELLIA128|SSL_CAMELLIA256)
360
361 /* Bits for algorithm_mac (symmetric authentication) */
362
363 # define SSL_MD5 0x00000001L
364 # define SSL_SHA1 0x00000002L
365 # define SSL_GOST94 0x00000004L
366 # define SSL_GOST89MAC 0x00000008L
367 # define SSL_SHA256 0x00000010L
368 # define SSL_SHA384 0x00000020L
369 /* Not a real MAC, just an indication it is part of cipher */
370 # define SSL_AEAD 0x00000040L
371
372 /* Bits for algorithm_ssl (protocol version) */
373 # define SSL_SSLV2 0x00000001UL
374 # define SSL_SSLV3 0x00000002UL
375 # define SSL_TLSV1 SSL_SSLV3/* for now */
376 # define SSL_TLSV1_2 0x00000004UL
377
378 /* Bits for algorithm2 (handshake digests and other extra flags) */
379
380 # define SSL_HANDSHAKE_MAC_MD5 0x10
381 # define SSL_HANDSHAKE_MAC_SHA 0x20
382 # define SSL_HANDSHAKE_MAC_GOST94 0x40
383 # define SSL_HANDSHAKE_MAC_SHA256 0x80
384 # define SSL_HANDSHAKE_MAC_SHA384 0x100
385 # define SSL_HANDSHAKE_MAC_DEFAULT (SSL_HANDSHAKE_MAC_MD5 | SSL_HANDSHAKE_MAC_SHA)
386
387 /*
388 * When adding new digest in the ssl_ciph.c and increment SSM_MD_NUM_IDX make
389 * sure to update this constant too
390 */
391 # define SSL_MAX_DIGEST 6
392
393 # define TLS1_PRF_DGST_MASK (0xff << TLS1_PRF_DGST_SHIFT)
394
395 # define TLS1_PRF_DGST_SHIFT 10
396 # define TLS1_PRF_MD5 (SSL_HANDSHAKE_MAC_MD5 << TLS1_PRF_DGST_SHIFT)
397 # define TLS1_PRF_SHA1 (SSL_HANDSHAKE_MAC_SHA << TLS1_PRF_DGST_SHIFT)
398 # define TLS1_PRF_SHA256 (SSL_HANDSHAKE_MAC_SHA256 << TLS1_PRF_DGST_SHIFT)
399 # define TLS1_PRF_SHA384 (SSL_HANDSHAKE_MAC_SHA384 << TLS1_PRF_DGST_SHIFT)
400 # define TLS1_PRF_GOST94 (SSL_HANDSHAKE_MAC_GOST94 << TLS1_PRF_DGST_SHIFT)
401 # define TLS1_PRF (TLS1_PRF_MD5 | TLS1_PRF_SHA1)
402
403 /*
404 * Stream MAC for GOST ciphersuites from cryptopro draft (currently this also
405 * goes into algorithm2)
406 */
407 # define TLS1_STREAM_MAC 0x04
408
409 /*
410 * Export and cipher strength information. For each cipher we have to decide
411 * whether it is exportable or not. This information is likely to change
412 * over time, since the export control rules are no static technical issue.
413 *
414 * Independent of the export flag the cipher strength is sorted into classes.
415 * SSL_EXP40 was denoting the 40bit US export limit of past times, which now
416 * is at 56bit (SSL_EXP56). If the exportable cipher class is going to change
417 * again (eg. to 64bit) the use of "SSL_EXP*" becomes blurred even more,
418 * since SSL_EXP64 could be similar to SSL_LOW.
419 * For this reason SSL_MICRO and SSL_MINI macros are included to widen the
420 * namespace of SSL_LOW-SSL_HIGH to lower values. As development of speed
421 * and ciphers goes, another extension to SSL_SUPER and/or SSL_ULTRA would
422 * be possible.
423 */
424 # define SSL_EXP_MASK 0x00000003L
425 # define SSL_STRONG_MASK 0x000001fcL
426
427 # define SSL_NOT_EXP 0x00000001L
428 # define SSL_EXPORT 0x00000002L
429
430 # define SSL_STRONG_NONE 0x00000004L
431 # define SSL_EXP40 0x00000008L
432 # define SSL_MICRO (SSL_EXP40)
433 # define SSL_EXP56 0x00000010L
434 # define SSL_MINI (SSL_EXP56)
435 # define SSL_LOW 0x00000020L
436 # define SSL_MEDIUM 0x00000040L
437 # define SSL_HIGH 0x00000080L
438 # define SSL_FIPS 0x00000100L
439
440 /* we have used 000001ff - 23 bits left to go */
441
442 /*-
443 * Macros to check the export status and cipher strength for export ciphers.
444 * Even though the macros for EXPORT and EXPORT40/56 have similar names,
445 * their meaning is different:
446 * *_EXPORT macros check the 'exportable' status.
447 * *_EXPORT40/56 macros are used to check whether a certain cipher strength
448 * is given.
449 * Since the SSL_IS_EXPORT* and SSL_EXPORT* macros depend on the correct
450 * algorithm structure element to be passed (algorithms, algo_strength) and no
451 * typechecking can be done as they are all of type unsigned long, their
452 * direct usage is discouraged.
453 * Use the SSL_C_* macros instead.
454 */
455 # define SSL_IS_EXPORT(a) ((a)&SSL_EXPORT)
456 # define SSL_IS_EXPORT56(a) ((a)&SSL_EXP56)
457 # define SSL_IS_EXPORT40(a) ((a)&SSL_EXP40)
458 # define SSL_C_IS_EXPORT(c) SSL_IS_EXPORT((c)->algo_strength)
459 # define SSL_C_IS_EXPORT56(c) SSL_IS_EXPORT56((c)->algo_strength)
460 # define SSL_C_IS_EXPORT40(c) SSL_IS_EXPORT40((c)->algo_strength)
461
462 # define SSL_EXPORT_KEYLENGTH(a,s) (SSL_IS_EXPORT40(s) ? 5 : \
463 (a) == SSL_DES ? 8 : 7)
464 # define SSL_EXPORT_PKEYLENGTH(a) (SSL_IS_EXPORT40(a) ? 512 : 1024)
465 # define SSL_C_EXPORT_KEYLENGTH(c) SSL_EXPORT_KEYLENGTH((c)->algorithm_enc, \
466 (c)->algo_strength)
467 # define SSL_C_EXPORT_PKEYLENGTH(c) SSL_EXPORT_PKEYLENGTH((c)->algo_strength)
468
469 /* Check if an SSL structure is using DTLS */
470 # define SSL_IS_DTLS(s) (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS)
471 /* See if we need explicit IV */
472 # define SSL_USE_EXPLICIT_IV(s) \
473 (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_EXPLICIT_IV)
474 /*
475 * See if we use signature algorithms extension and signature algorithm
476 * before signatures.
477 */
478 # define SSL_USE_SIGALGS(s) \
479 (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_SIGALGS)
480 /*
481 * Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2: may
482 * apply to others in future.
483 */
484 # define SSL_USE_TLS1_2_CIPHERS(s) \
485 (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_TLS1_2_CIPHERS)
486 /*
487 * Determine if a client can use TLS 1.2 ciphersuites: can't rely on method
488 * flags because it may not be set to correct version yet.
489 */
490 # define SSL_CLIENT_USE_TLS1_2_CIPHERS(s) \
491 ((SSL_IS_DTLS(s) && s->client_version <= DTLS1_2_VERSION) || \
492 (!SSL_IS_DTLS(s) && s->client_version >= TLS1_2_VERSION))
493
494 /* Mostly for SSLv3 */
495 # define SSL_PKEY_RSA_ENC 0
496 # define SSL_PKEY_RSA_SIGN 1
497 # define SSL_PKEY_DSA_SIGN 2
498 # define SSL_PKEY_DH_RSA 3
499 # define SSL_PKEY_DH_DSA 4
500 # define SSL_PKEY_ECC 5
501 # define SSL_PKEY_GOST94 6
502 # define SSL_PKEY_GOST01 7
503 # define SSL_PKEY_NUM 8
504
505 /*-
506 * SSL_kRSA <- RSA_ENC | (RSA_TMP & RSA_SIGN) |
507 * <- (EXPORT & (RSA_ENC | RSA_TMP) & RSA_SIGN)
508 * SSL_kDH <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN)
509 * SSL_kEDH <- RSA_ENC | RSA_SIGN | DSA_SIGN
510 * SSL_aRSA <- RSA_ENC | RSA_SIGN
511 * SSL_aDSS <- DSA_SIGN
512 */
513
514 /*-
515 #define CERT_INVALID 0
516 #define CERT_PUBLIC_KEY 1
517 #define CERT_PRIVATE_KEY 2
518 */
519
520 # ifndef OPENSSL_NO_EC
521 /*
522 * From ECC-TLS draft, used in encoding the curve type in ECParameters
523 */
524 # define EXPLICIT_PRIME_CURVE_TYPE 1
525 # define EXPLICIT_CHAR2_CURVE_TYPE 2
526 # define NAMED_CURVE_TYPE 3
527 # endif /* OPENSSL_NO_EC */
528
529 typedef struct cert_pkey_st {
530 X509 *x509;
531 EVP_PKEY *privatekey;
532 /* Digest to use when signing */
533 const EVP_MD *digest;
534 /* Chain for this certificate */
535 STACK_OF(X509) *chain;
536 # ifndef OPENSSL_NO_TLSEXT
537 /*-
538 * serverinfo data for this certificate. The data is in TLS Extension
539 * wire format, specifically it's a series of records like:
540 * uint16_t extension_type; // (RFC 5246, 7.4.1.4, Extension)
541 * uint16_t length;
542 * uint8_t data[length];
543 */
544 unsigned char *serverinfo;
545 size_t serverinfo_length;
546 # endif
547 /*
548 * Set if CERT_PKEY can be used with current SSL session: e.g.
549 * appropriate curve, signature algorithms etc. If zero it can't be used
550 * at all.
551 */
552 int valid_flags;
553 } CERT_PKEY;
554 /* Retrieve Suite B flags */
555 # define tls1_suiteb(s) (s->cert->cert_flags & SSL_CERT_FLAG_SUITEB_128_LOS)
556 /* Uses to check strict mode: suite B modes are always strict */
557 # define SSL_CERT_FLAGS_CHECK_TLS_STRICT \
558 (SSL_CERT_FLAG_SUITEB_128_LOS|SSL_CERT_FLAG_TLS_STRICT)
559
560 typedef struct {
561 unsigned short ext_type;
562 /*
563 * Per-connection flags relating to this extension type: not used if
564 * part of an SSL_CTX structure.
565 */
566 unsigned short ext_flags;
567 custom_ext_add_cb add_cb;
568 custom_ext_free_cb free_cb;
569 void *add_arg;
570 custom_ext_parse_cb parse_cb;
571 void *parse_arg;
572 } custom_ext_method;
573
574 /* ext_flags values */
575
576 /*
577 * Indicates an extension has been received. Used to check for unsolicited or
578 * duplicate extensions.
579 */
580 # define SSL_EXT_FLAG_RECEIVED 0x1
581 /*
582 * Indicates an extension has been sent: used to enable sending of
583 * corresponding ServerHello extension.
584 */
585 # define SSL_EXT_FLAG_SENT 0x2
586
587 typedef struct {
588 custom_ext_method *meths;
589 size_t meths_count;
590 } custom_ext_methods;
591
592 typedef struct cert_st {
593 /* Current active set */
594 /*
595 * ALWAYS points to an element of the pkeys array
596 * Probably it would make more sense to store
597 * an index, not a pointer.
598 */
599 CERT_PKEY *key;
600 /*
601 * For servers the following masks are for the key and auth algorithms
602 * that are supported by the certs below. For clients they are masks of
603 * *disabled* algorithms based on the current session.
604 */
605 int valid;
606 unsigned long mask_k;
607 unsigned long mask_a;
608 unsigned long export_mask_k;
609 unsigned long export_mask_a;
610 /* Client only */
611 unsigned long mask_ssl;
612 # ifndef OPENSSL_NO_RSA
613 RSA *rsa_tmp;
614 RSA *(*rsa_tmp_cb) (SSL *ssl, int is_export, int keysize);
615 # endif
616 # ifndef OPENSSL_NO_DH
617 DH *dh_tmp;
618 DH *(*dh_tmp_cb) (SSL *ssl, int is_export, int keysize);
619 # endif
620 # ifndef OPENSSL_NO_ECDH
621 EC_KEY *ecdh_tmp;
622 /* Callback for generating ephemeral ECDH keys */
623 EC_KEY *(*ecdh_tmp_cb) (SSL *ssl, int is_export, int keysize);
624 /* Select ECDH parameters automatically */
625 int ecdh_tmp_auto;
626 # endif
627 /* Flags related to certificates */
628 unsigned int cert_flags;
629 CERT_PKEY pkeys[SSL_PKEY_NUM];
630 /*
631 * Certificate types (received or sent) in certificate request message.
632 * On receive this is only set if number of certificate types exceeds
633 * SSL3_CT_NUMBER.
634 */
635 unsigned char *ctypes;
636 size_t ctype_num;
637 /*
638 * signature algorithms peer reports: e.g. supported signature algorithms
639 * extension for server or as part of a certificate request for client.
640 */
641 unsigned char *peer_sigalgs;
642 /* Size of above array */
643 size_t peer_sigalgslen;
644 /*
645 * suppported signature algorithms. When set on a client this is sent in
646 * the client hello as the supported signature algorithms extension. For
647 * servers it represents the signature algorithms we are willing to use.
648 */
649 unsigned char *conf_sigalgs;
650 /* Size of above array */
651 size_t conf_sigalgslen;
652 /*
653 * Client authentication signature algorithms, if not set then uses
654 * conf_sigalgs. On servers these will be the signature algorithms sent
655 * to the client in a cerificate request for TLS 1.2. On a client this
656 * represents the signature algortithms we are willing to use for client
657 * authentication.
658 */
659 unsigned char *client_sigalgs;
660 /* Size of above array */
661 size_t client_sigalgslen;
662 /*
663 * Signature algorithms shared by client and server: cached because these
664 * are used most often.
665 */
666 TLS_SIGALGS *shared_sigalgs;
667 size_t shared_sigalgslen;
668 /*
669 * Certificate setup callback: if set is called whenever a certificate
670 * may be required (client or server). the callback can then examine any
671 * appropriate parameters and setup any certificates required. This
672 * allows advanced applications to select certificates on the fly: for
673 * example based on supported signature algorithms or curves.
674 */
675 int (*cert_cb) (SSL *ssl, void *arg);
676 void *cert_cb_arg;
677 /*
678 * Optional X509_STORE for chain building or certificate validation If
679 * NULL the parent SSL_CTX store is used instead.
680 */
681 X509_STORE *chain_store;
682 X509_STORE *verify_store;
683 /* Raw values of the cipher list from a client */
684 unsigned char *ciphers_raw;
685 size_t ciphers_rawlen;
686 /* Custom extension methods for server and client */
687 custom_ext_methods cli_ext;
688 custom_ext_methods srv_ext;
689 int references; /* >1 only if SSL_copy_session_id is used */
690 } CERT;
691
692 typedef struct sess_cert_st {
693 STACK_OF(X509) *cert_chain; /* as received from peer (not for SSL2) */
694 /* The 'peer_...' members are used only by clients. */
695 int peer_cert_type;
696 CERT_PKEY *peer_key; /* points to an element of peer_pkeys (never
697 * NULL!) */
698 CERT_PKEY peer_pkeys[SSL_PKEY_NUM];
699 /*
700 * Obviously we don't have the private keys of these, so maybe we
701 * shouldn't even use the CERT_PKEY type here.
702 */
703 # ifndef OPENSSL_NO_RSA
704 RSA *peer_rsa_tmp; /* not used for SSL 2 */
705 # endif
706 # ifndef OPENSSL_NO_DH
707 DH *peer_dh_tmp; /* not used for SSL 2 */
708 # endif
709 # ifndef OPENSSL_NO_ECDH
710 EC_KEY *peer_ecdh_tmp;
711 # endif
712 int references; /* actually always 1 at the moment */
713 } SESS_CERT;
714 /* Structure containing decoded values of signature algorithms extension */
715 struct tls_sigalgs_st {
716 /* NID of hash algorithm */
717 int hash_nid;
718 /* NID of signature algorithm */
719 int sign_nid;
720 /* Combined hash and signature NID */
721 int signandhash_nid;
722 /* Raw values used in extension */
723 unsigned char rsign;
724 unsigned char rhash;
725 };
726
727 /*
728 * #define MAC_DEBUG
729 */
730
731 /*
732 * #define ERR_DEBUG
733 */
734 /*
735 * #define ABORT_DEBUG
736 */
737 /*
738 * #define PKT_DEBUG 1
739 */
740 /*
741 * #define DES_DEBUG
742 */
743 /*
744 * #define DES_OFB_DEBUG
745 */
746 /*
747 * #define SSL_DEBUG
748 */
749 /*
750 * #define RSA_DEBUG
751 */
752 /*
753 * #define IDEA_DEBUG
754 */
755
756 # define FP_ICC (int (*)(const void *,const void *))
757 # define ssl_put_cipher_by_char(ssl,ciph,ptr) \
758 ((ssl)->method->put_cipher_by_char((ciph),(ptr)))
759
760 /*
761 * This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff It is a bit
762 * of a mess of functions, but hell, think of it as an opaque structure :-)
763 */
764 typedef struct ssl3_enc_method {
765 int (*enc) (SSL *, int);
766 int (*mac) (SSL *, unsigned char *, int);
767 int (*setup_key_block) (SSL *);
768 int (*generate_master_secret) (SSL *, unsigned char *, unsigned char *,
769 int);
770 int (*change_cipher_state) (SSL *, int);
771 int (*final_finish_mac) (SSL *, const char *, int, unsigned char *);
772 int finish_mac_length;
773 int (*cert_verify_mac) (SSL *, int, unsigned char *);
774 const char *client_finished_label;
775 int client_finished_label_len;
776 const char *server_finished_label;
777 int server_finished_label_len;
778 int (*alert_value) (int);
779 int (*export_keying_material) (SSL *, unsigned char *, size_t,
780 const char *, size_t,
781 const unsigned char *, size_t,
782 int use_context);
783 /* Various flags indicating protocol version requirements */
784 unsigned int enc_flags;
785 /* Handshake header length */
786 unsigned int hhlen;
787 /* Set the handshake header */
788 void (*set_handshake_header) (SSL *s, int type, unsigned long len);
789 /* Write out handshake message */
790 int (*do_write) (SSL *s);
791 } SSL3_ENC_METHOD;
792
793 # define SSL_HM_HEADER_LENGTH(s) s->method->ssl3_enc->hhlen
794 # define ssl_handshake_start(s) \
795 (((unsigned char *)s->init_buf->data) + s->method->ssl3_enc->hhlen)
796 # define ssl_set_handshake_header(s, htype, len) \
797 s->method->ssl3_enc->set_handshake_header(s, htype, len)
798 # define ssl_do_write(s) s->method->ssl3_enc->do_write(s)
799
800 /* Values for enc_flags */
801
802 /* Uses explicit IV for CBC mode */
803 # define SSL_ENC_FLAG_EXPLICIT_IV 0x1
804 /* Uses signature algorithms extension */
805 # define SSL_ENC_FLAG_SIGALGS 0x2
806 /* Uses SHA256 default PRF */
807 # define SSL_ENC_FLAG_SHA256_PRF 0x4
808 /* Is DTLS */
809 # define SSL_ENC_FLAG_DTLS 0x8
810 /*
811 * Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2: may
812 * apply to others in future.
813 */
814 # define SSL_ENC_FLAG_TLS1_2_CIPHERS 0x10
815
816 # ifndef OPENSSL_NO_COMP
817 /* Used for holding the relevant compression methods loaded into SSL_CTX */
818 typedef struct ssl3_comp_st {
819 int comp_id; /* The identifier byte for this compression
820 * type */
821 char *name; /* Text name used for the compression type */
822 COMP_METHOD *method; /* The method :-) */
823 } SSL3_COMP;
824 # endif
825
826 # ifndef OPENSSL_NO_BUF_FREELISTS
827 typedef struct ssl3_buf_freelist_st {
828 size_t chunklen;
829 unsigned int len;
830 struct ssl3_buf_freelist_entry_st *head;
831 } SSL3_BUF_FREELIST;
832
833 typedef struct ssl3_buf_freelist_entry_st {
834 struct ssl3_buf_freelist_entry_st *next;
835 } SSL3_BUF_FREELIST_ENTRY;
836 # endif
837
838 extern SSL3_ENC_METHOD ssl3_undef_enc_method;
839 OPENSSL_EXTERN const SSL_CIPHER ssl2_ciphers[];
840 OPENSSL_EXTERN SSL_CIPHER ssl3_ciphers[];
841
842 SSL_METHOD *ssl_bad_method(int ver);
843
844 extern SSL3_ENC_METHOD TLSv1_enc_data;
845 extern SSL3_ENC_METHOD TLSv1_1_enc_data;
846 extern SSL3_ENC_METHOD TLSv1_2_enc_data;
847 extern SSL3_ENC_METHOD SSLv3_enc_data;
848 extern SSL3_ENC_METHOD DTLSv1_enc_data;
849 extern SSL3_ENC_METHOD DTLSv1_2_enc_data;
850
851 # define IMPLEMENT_tls_meth_func(version, func_name, s_accept, s_connect, \
852 s_get_meth, enc_data) \
853 const SSL_METHOD *func_name(void) \
854 { \
855 static const SSL_METHOD func_name##_data= { \
856 version, \
857 tls1_new, \
858 tls1_clear, \
859 tls1_free, \
860 s_accept, \
861 s_connect, \
862 ssl3_read, \
863 ssl3_peek, \
864 ssl3_write, \
865 ssl3_shutdown, \
866 ssl3_renegotiate, \
867 ssl3_renegotiate_check, \
868 ssl3_get_message, \
869 ssl3_read_bytes, \
870 ssl3_write_bytes, \
871 ssl3_dispatch_alert, \
872 ssl3_ctrl, \
873 ssl3_ctx_ctrl, \
874 ssl3_get_cipher_by_char, \
875 ssl3_put_cipher_by_char, \
876 ssl3_pending, \
877 ssl3_num_ciphers, \
878 ssl3_get_cipher, \
879 s_get_meth, \
880 tls1_default_timeout, \
881 &enc_data, \
882 ssl_undefined_void_function, \
883 ssl3_callback_ctrl, \
884 ssl3_ctx_callback_ctrl, \
885 }; \
886 return &func_name##_data; \
887 }
888
889 # define IMPLEMENT_ssl3_meth_func(func_name, s_accept, s_connect, s_get_meth) \
890 const SSL_METHOD *func_name(void) \
891 { \
892 static const SSL_METHOD func_name##_data= { \
893 SSL3_VERSION, \
894 ssl3_new, \
895 ssl3_clear, \
896 ssl3_free, \
897 s_accept, \
898 s_connect, \
899 ssl3_read, \
900 ssl3_peek, \
901 ssl3_write, \
902 ssl3_shutdown, \
903 ssl3_renegotiate, \
904 ssl3_renegotiate_check, \
905 ssl3_get_message, \
906 ssl3_read_bytes, \
907 ssl3_write_bytes, \
908 ssl3_dispatch_alert, \
909 ssl3_ctrl, \
910 ssl3_ctx_ctrl, \
911 ssl3_get_cipher_by_char, \
912 ssl3_put_cipher_by_char, \
913 ssl3_pending, \
914 ssl3_num_ciphers, \
915 ssl3_get_cipher, \
916 s_get_meth, \
917 ssl3_default_timeout, \
918 &SSLv3_enc_data, \
919 ssl_undefined_void_function, \
920 ssl3_callback_ctrl, \
921 ssl3_ctx_callback_ctrl, \
922 }; \
923 return &func_name##_data; \
924 }
925
926 # define IMPLEMENT_ssl23_meth_func(func_name, s_accept, s_connect, s_get_meth) \
927 const SSL_METHOD *func_name(void) \
928 { \
929 static const SSL_METHOD func_name##_data= { \
930 TLS1_2_VERSION, \
931 tls1_new, \
932 tls1_clear, \
933 tls1_free, \
934 s_accept, \
935 s_connect, \
936 ssl23_read, \
937 ssl23_peek, \
938 ssl23_write, \
939 ssl_undefined_function, \
940 ssl_undefined_function, \
941 ssl_ok, \
942 ssl3_get_message, \
943 ssl3_read_bytes, \
944 ssl3_write_bytes, \
945 ssl3_dispatch_alert, \
946 ssl3_ctrl, \
947 ssl3_ctx_ctrl, \
948 ssl23_get_cipher_by_char, \
949 ssl23_put_cipher_by_char, \
950 ssl_undefined_const_function, \
951 ssl23_num_ciphers, \
952 ssl23_get_cipher, \
953 s_get_meth, \
954 ssl23_default_timeout, \
955 &TLSv1_2_enc_data, \
956 ssl_undefined_void_function, \
957 ssl3_callback_ctrl, \
958 ssl3_ctx_callback_ctrl, \
959 }; \
960 return &func_name##_data; \
961 }
962
963 # define IMPLEMENT_ssl2_meth_func(func_name, s_accept, s_connect, s_get_meth) \
964 const SSL_METHOD *func_name(void) \
965 { \
966 static const SSL_METHOD func_name##_data= { \
967 SSL2_VERSION, \
968 ssl2_new, /* local */ \
969 ssl2_clear, /* local */ \
970 ssl2_free, /* local */ \
971 s_accept, \
972 s_connect, \
973 ssl2_read, \
974 ssl2_peek, \
975 ssl2_write, \
976 ssl2_shutdown, \
977 ssl_ok, /* NULL - renegotiate */ \
978 ssl_ok, /* NULL - check renegotiate */ \
979 NULL, /* NULL - ssl_get_message */ \
980 NULL, /* NULL - ssl_get_record */ \
981 NULL, /* NULL - ssl_write_bytes */ \
982 NULL, /* NULL - dispatch_alert */ \
983 ssl2_ctrl, /* local */ \
984 ssl2_ctx_ctrl, /* local */ \
985 ssl2_get_cipher_by_char, \
986 ssl2_put_cipher_by_char, \
987 ssl2_pending, \
988 ssl2_num_ciphers, \
989 ssl2_get_cipher, \
990 s_get_meth, \
991 ssl2_default_timeout, \
992 &ssl3_undef_enc_method, \
993 ssl_undefined_void_function, \
994 ssl2_callback_ctrl, /* local */ \
995 ssl2_ctx_callback_ctrl, /* local */ \
996 }; \
997 return &func_name##_data; \
998 }
999
1000 # define IMPLEMENT_dtls1_meth_func(version, func_name, s_accept, s_connect, \
1001 s_get_meth, enc_data) \
1002 const SSL_METHOD *func_name(void) \
1003 { \
1004 static const SSL_METHOD func_name##_data= { \
1005 version, \
1006 dtls1_new, \
1007 dtls1_clear, \
1008 dtls1_free, \
1009 s_accept, \
1010 s_connect, \
1011 ssl3_read, \
1012 ssl3_peek, \
1013 ssl3_write, \
1014 dtls1_shutdown, \
1015 ssl3_renegotiate, \
1016 ssl3_renegotiate_check, \
1017 dtls1_get_message, \
1018 dtls1_read_bytes, \
1019 dtls1_write_app_data_bytes, \
1020 dtls1_dispatch_alert, \
1021 dtls1_ctrl, \
1022 ssl3_ctx_ctrl, \
1023 ssl3_get_cipher_by_char, \
1024 ssl3_put_cipher_by_char, \
1025 ssl3_pending, \
1026 ssl3_num_ciphers, \
1027 dtls1_get_cipher, \
1028 s_get_meth, \
1029 dtls1_default_timeout, \
1030 &enc_data, \
1031 ssl_undefined_void_function, \
1032 ssl3_callback_ctrl, \
1033 ssl3_ctx_callback_ctrl, \
1034 }; \
1035 return &func_name##_data; \
1036 }
1037
1038 struct openssl_ssl_test_functions {
1039 int (*p_ssl_init_wbio_buffer) (SSL *s, int push);
1040 int (*p_ssl3_setup_buffers) (SSL *s);
1041 int (*p_tls1_process_heartbeat) (SSL *s);
1042 int (*p_dtls1_process_heartbeat) (SSL *s);
1043 };
1044
1045 # ifndef OPENSSL_UNIT_TEST
1046
1047 void ssl_clear_cipher_ctx(SSL *s);
1048 int ssl_clear_bad_session(SSL *s);
1049 CERT *ssl_cert_new(void);
1050 CERT *ssl_cert_dup(CERT *cert);
1051 void ssl_cert_set_default_md(CERT *cert);
1052 int ssl_cert_inst(CERT **o);
1053 void ssl_cert_clear_certs(CERT *c);
1054 void ssl_cert_free(CERT *c);
1055 SESS_CERT *ssl_sess_cert_new(void);
1056 void ssl_sess_cert_free(SESS_CERT *sc);
1057 int ssl_set_peer_cert_type(SESS_CERT *c, int type);
1058 int ssl_get_new_session(SSL *s, int session);
1059 int ssl_get_prev_session(SSL *s, unsigned char *session, int len,
1060 const unsigned char *limit);
1061 SSL_SESSION *ssl_session_dup(SSL_SESSION *src, int ticket);
1062 int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b);
1063 DECLARE_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, ssl_cipher_id);
1064 int ssl_cipher_ptr_id_cmp(const SSL_CIPHER *const *ap,
1065 const SSL_CIPHER *const *bp);
1066 STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s, unsigned char *p,
1067 int num,
1068 STACK_OF(SSL_CIPHER) **skp);
1069 int ssl_cipher_list_to_bytes(SSL *s, STACK_OF(SSL_CIPHER) *sk,
1070 unsigned char *p,
1071 int (*put_cb) (const SSL_CIPHER *,
1072 unsigned char *));
1073 STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *meth,
1074 STACK_OF(SSL_CIPHER) **pref,
1075 STACK_OF(SSL_CIPHER) **sorted,
1076 const char *rule_str, CERT *c);
1077 void ssl_update_cache(SSL *s, int mode);
1078 int ssl_cipher_get_evp(const SSL_SESSION *s, const EVP_CIPHER **enc,
1079 const EVP_MD **md, int *mac_pkey_type,
1080 int *mac_secret_size, SSL_COMP **comp);
1081 int ssl_get_handshake_digest(int i, long *mask, const EVP_MD **md);
1082 int ssl_cipher_get_cert_index(const SSL_CIPHER *c);
1083 const SSL_CIPHER *ssl_get_cipher_by_char(SSL *ssl, const unsigned char *ptr);
1084 int ssl_cert_set0_chain(CERT *c, STACK_OF(X509) *chain);
1085 int ssl_cert_set1_chain(CERT *c, STACK_OF(X509) *chain);
1086 int ssl_cert_add0_chain_cert(CERT *c, X509 *x);
1087 int ssl_cert_add1_chain_cert(CERT *c, X509 *x);
1088 int ssl_cert_select_current(CERT *c, X509 *x);
1089 int ssl_cert_set_current(CERT *c, long arg);
1090 X509 *ssl_cert_get0_next_certificate(CERT *c, int first);
1091 void ssl_cert_set_cert_cb(CERT *c, int (*cb) (SSL *ssl, void *arg),
1092 void *arg);
1093
1094 int ssl_verify_cert_chain(SSL *s, STACK_OF(X509) *sk);
1095 int ssl_add_cert_chain(SSL *s, CERT_PKEY *cpk, unsigned long *l);
1096 int ssl_build_cert_chain(CERT *c, X509_STORE *chain_store, int flags);
1097 int ssl_cert_set_cert_store(CERT *c, X509_STORE *store, int chain, int ref);
1098 int ssl_undefined_function(SSL *s);
1099 int ssl_undefined_void_function(void);
1100 int ssl_undefined_const_function(const SSL *s);
1101 CERT_PKEY *ssl_get_server_send_pkey(const SSL *s);
1102 # ifndef OPENSSL_NO_TLSEXT
1103 int ssl_get_server_cert_serverinfo(SSL *s, const unsigned char **serverinfo,
1104 size_t *serverinfo_length);
1105 # endif
1106 EVP_PKEY *ssl_get_sign_pkey(SSL *s, const SSL_CIPHER *c, const EVP_MD **pmd);
1107 int ssl_cert_type(X509 *x, EVP_PKEY *pkey);
1108 void ssl_set_cert_masks(CERT *c, const SSL_CIPHER *cipher);
1109 STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s);
1110 int ssl_verify_alarm_type(long type);
1111 void ssl_load_ciphers(void);
1112 int ssl_fill_hello_random(SSL *s, int server, unsigned char *field, int len);
1113
1114 int ssl2_enc_init(SSL *s, int client);
1115 int ssl2_generate_key_material(SSL *s);
1116 int ssl2_enc(SSL *s, int send_data);
1117 void ssl2_mac(SSL *s, unsigned char *mac, int send_data);
1118 const SSL_CIPHER *ssl2_get_cipher_by_char(const unsigned char *p);
1119 int ssl2_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p);
1120 int ssl2_part_read(SSL *s, unsigned long f, int i);
1121 int ssl2_do_write(SSL *s);
1122 int ssl2_set_certificate(SSL *s, int type, int len,
1123 const unsigned char *data);
1124 void ssl2_return_error(SSL *s, int reason);
1125 void ssl2_write_error(SSL *s);
1126 int ssl2_num_ciphers(void);
1127 const SSL_CIPHER *ssl2_get_cipher(unsigned int u);
1128 int ssl2_new(SSL *s);
1129 void ssl2_free(SSL *s);
1130 int ssl2_accept(SSL *s);
1131 int ssl2_connect(SSL *s);
1132 int ssl2_read(SSL *s, void *buf, int len);
1133 int ssl2_peek(SSL *s, void *buf, int len);
1134 int ssl2_write(SSL *s, const void *buf, int len);
1135 int ssl2_shutdown(SSL *s);
1136 void ssl2_clear(SSL *s);
1137 long ssl2_ctrl(SSL *s, int cmd, long larg, void *parg);
1138 long ssl2_ctx_ctrl(SSL_CTX *s, int cmd, long larg, void *parg);
1139 long ssl2_callback_ctrl(SSL *s, int cmd, void (*fp) (void));
1140 long ssl2_ctx_callback_ctrl(SSL_CTX *s, int cmd, void (*fp) (void));
1141 int ssl2_pending(const SSL *s);
1142 long ssl2_default_timeout(void);
1143
1144 const SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p);
1145 int ssl3_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p);
1146 void ssl3_init_finished_mac(SSL *s);
1147 int ssl3_send_server_certificate(SSL *s);
1148 int ssl3_send_newsession_ticket(SSL *s);
1149 int ssl3_send_cert_status(SSL *s);
1150 int ssl3_get_finished(SSL *s, int state_a, int state_b);
1151 int ssl3_setup_key_block(SSL *s);
1152 int ssl3_send_change_cipher_spec(SSL *s, int state_a, int state_b);
1153 int ssl3_change_cipher_state(SSL *s, int which);
1154 void ssl3_cleanup_key_block(SSL *s);
1155 int ssl3_do_write(SSL *s, int type);
1156 int ssl3_send_alert(SSL *s, int level, int desc);
1157 int ssl3_generate_master_secret(SSL *s, unsigned char *out,
1158 unsigned char *p, int len);
1159 int ssl3_get_req_cert_type(SSL *s, unsigned char *p);
1160 long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok);
1161 int ssl3_send_finished(SSL *s, int a, int b, const char *sender, int slen);
1162 int ssl3_num_ciphers(void);
1163 const SSL_CIPHER *ssl3_get_cipher(unsigned int u);
1164 int ssl3_renegotiate(SSL *ssl);
1165 int ssl3_renegotiate_check(SSL *ssl);
1166 int ssl3_dispatch_alert(SSL *s);
1167 int ssl3_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek);
1168 int ssl3_write_bytes(SSL *s, int type, const void *buf, int len);
1169 int ssl3_final_finish_mac(SSL *s, const char *sender, int slen,
1170 unsigned char *p);
1171 int ssl3_cert_verify_mac(SSL *s, int md_nid, unsigned char *p);
1172 void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len);
1173 int ssl3_enc(SSL *s, int send_data);
1174 int n_ssl3_mac(SSL *ssl, unsigned char *md, int send_data);
1175 void ssl3_free_digest_list(SSL *s);
1176 unsigned long ssl3_output_cert_chain(SSL *s, CERT_PKEY *cpk);
1177 SSL_CIPHER *ssl3_choose_cipher(SSL *ssl, STACK_OF(SSL_CIPHER) *clnt,
1178 STACK_OF(SSL_CIPHER) *srvr);
1179 int ssl3_setup_buffers(SSL *s);
1180 int ssl3_setup_read_buffer(SSL *s);
1181 int ssl3_setup_write_buffer(SSL *s);
1182 int ssl3_release_read_buffer(SSL *s);
1183 int ssl3_release_write_buffer(SSL *s);
1184 int ssl3_digest_cached_records(SSL *s);
1185 int ssl3_new(SSL *s);
1186 void ssl3_free(SSL *s);
1187 int ssl3_accept(SSL *s);
1188 int ssl3_connect(SSL *s);
1189 int ssl3_read(SSL *s, void *buf, int len);
1190 int ssl3_peek(SSL *s, void *buf, int len);
1191 int ssl3_write(SSL *s, const void *buf, int len);
1192 int ssl3_shutdown(SSL *s);
1193 void ssl3_clear(SSL *s);
1194 long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg);
1195 long ssl3_ctx_ctrl(SSL_CTX *s, int cmd, long larg, void *parg);
1196 long ssl3_callback_ctrl(SSL *s, int cmd, void (*fp) (void));
1197 long ssl3_ctx_callback_ctrl(SSL_CTX *s, int cmd, void (*fp) (void));
1198 int ssl3_pending(const SSL *s);
1199
1200 void ssl3_record_sequence_update(unsigned char *seq);
1201 int ssl3_do_change_cipher_spec(SSL *ssl);
1202 long ssl3_default_timeout(void);
1203
1204 void ssl3_set_handshake_header(SSL *s, int htype, unsigned long len);
1205 int ssl3_handshake_write(SSL *s);
1206
1207 int ssl23_num_ciphers(void);
1208 const SSL_CIPHER *ssl23_get_cipher(unsigned int u);
1209 int ssl23_read(SSL *s, void *buf, int len);
1210 int ssl23_peek(SSL *s, void *buf, int len);
1211 int ssl23_write(SSL *s, const void *buf, int len);
1212 int ssl23_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p);
1213 const SSL_CIPHER *ssl23_get_cipher_by_char(const unsigned char *p);
1214 long ssl23_default_timeout(void);
1215
1216 long tls1_default_timeout(void);
1217 int dtls1_do_write(SSL *s, int type);
1218 int ssl3_read_n(SSL *s, int n, int max, int extend);
1219 int dtls1_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek);
1220 int ssl3_do_compress(SSL *ssl);
1221 int ssl3_do_uncompress(SSL *ssl);
1222 int ssl3_write_pending(SSL *s, int type, const unsigned char *buf,
1223 unsigned int len);
1224 unsigned char *dtls1_set_message_header(SSL *s,
1225 unsigned char *p, unsigned char mt,
1226 unsigned long len,
1227 unsigned long frag_off,
1228 unsigned long frag_len);
1229
1230 int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf, int len);
1231 int dtls1_write_bytes(SSL *s, int type, const void *buf, int len);
1232
1233 int dtls1_send_change_cipher_spec(SSL *s, int a, int b);
1234 int dtls1_read_failed(SSL *s, int code);
1235 int dtls1_buffer_message(SSL *s, int ccs);
1236 int dtls1_retransmit_message(SSL *s, unsigned short seq,
1237 unsigned long frag_off, int *found);
1238 int dtls1_get_queue_priority(unsigned short seq, int is_ccs);
1239 int dtls1_retransmit_buffered_messages(SSL *s);
1240 void dtls1_clear_record_buffer(SSL *s);
1241 void dtls1_get_message_header(unsigned char *data,
1242 struct hm_header_st *msg_hdr);
1243 void dtls1_get_ccs_header(unsigned char *data, struct ccs_header_st *ccs_hdr);
1244 void dtls1_reset_seq_numbers(SSL *s, int rw);
1245 long dtls1_default_timeout(void);
1246 struct timeval *dtls1_get_timeout(SSL *s, struct timeval *timeleft);
1247 int dtls1_check_timeout_num(SSL *s);
1248 int dtls1_handle_timeout(SSL *s);
1249 const SSL_CIPHER *dtls1_get_cipher(unsigned int u);
1250 void dtls1_start_timer(SSL *s);
1251 void dtls1_stop_timer(SSL *s);
1252 int dtls1_is_timer_expired(SSL *s);
1253 void dtls1_double_timeout(SSL *s);
1254 int dtls1_send_newsession_ticket(SSL *s);
1255 unsigned int dtls1_min_mtu(SSL *s);
1256 unsigned int dtls1_link_min_mtu(void);
1257 void dtls1_hm_fragment_free(hm_fragment *frag);
1258
1259 /* some client-only functions */
1260 int ssl3_client_hello(SSL *s);
1261 int ssl3_get_server_hello(SSL *s);
1262 int ssl3_get_certificate_request(SSL *s);
1263 int ssl3_get_new_session_ticket(SSL *s);
1264 int ssl3_get_cert_status(SSL *s);
1265 int ssl3_get_server_done(SSL *s);
1266 int ssl3_send_client_verify(SSL *s);
1267 int ssl3_send_client_certificate(SSL *s);
1268 int ssl_do_client_cert_cb(SSL *s, X509 **px509, EVP_PKEY **ppkey);
1269 int ssl3_send_client_key_exchange(SSL *s);
1270 int ssl3_get_key_exchange(SSL *s);
1271 int ssl3_get_server_certificate(SSL *s);
1272 int ssl3_check_cert_and_algorithm(SSL *s);
1273 # ifndef OPENSSL_NO_TLSEXT
1274 # ifndef OPENSSL_NO_NEXTPROTONEG
1275 int ssl3_send_next_proto(SSL *s);
1276 # endif
1277 # endif
1278
1279 int dtls1_client_hello(SSL *s);
1280
1281 /* some server-only functions */
1282 int ssl3_get_client_hello(SSL *s);
1283 int ssl3_send_server_hello(SSL *s);
1284 int ssl3_send_hello_request(SSL *s);
1285 int ssl3_send_server_key_exchange(SSL *s);
1286 int ssl3_send_certificate_request(SSL *s);
1287 int ssl3_send_server_done(SSL *s);
1288 int ssl3_get_client_certificate(SSL *s);
1289 int ssl3_get_client_key_exchange(SSL *s);
1290 int ssl3_get_cert_verify(SSL *s);
1291 # ifndef OPENSSL_NO_NEXTPROTONEG
1292 int ssl3_get_next_proto(SSL *s);
1293 # endif
1294
1295 int ssl23_accept(SSL *s);
1296 int ssl23_connect(SSL *s);
1297 int ssl23_read_bytes(SSL *s, int n);
1298 int ssl23_write_bytes(SSL *s);
1299
1300 int tls1_new(SSL *s);
1301 void tls1_free(SSL *s);
1302 void tls1_clear(SSL *s);
1303 long tls1_ctrl(SSL *s, int cmd, long larg, void *parg);
1304 long tls1_callback_ctrl(SSL *s, int cmd, void (*fp) (void));
1305
1306 int dtls1_new(SSL *s);
1307 int dtls1_accept(SSL *s);
1308 int dtls1_connect(SSL *s);
1309 void dtls1_free(SSL *s);
1310 void dtls1_clear(SSL *s);
1311 long dtls1_ctrl(SSL *s, int cmd, long larg, void *parg);
1312 int dtls1_shutdown(SSL *s);
1313
1314 long dtls1_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok);
1315 int dtls1_get_record(SSL *s);
1316 int do_dtls1_write(SSL *s, int type, const unsigned char *buf,
1317 unsigned int len, int create_empty_fragement);
1318 int dtls1_dispatch_alert(SSL *s);
1319
1320 int ssl_init_wbio_buffer(SSL *s, int push);
1321 void ssl_free_wbio_buffer(SSL *s);
1322
1323 int tls1_change_cipher_state(SSL *s, int which);
1324 int tls1_setup_key_block(SSL *s);
1325 int tls1_enc(SSL *s, int snd);
1326 int tls1_final_finish_mac(SSL *s,
1327 const char *str, int slen, unsigned char *p);
1328 int tls1_cert_verify_mac(SSL *s, int md_nid, unsigned char *p);
1329 int tls1_mac(SSL *ssl, unsigned char *md, int snd);
1330 int tls1_generate_master_secret(SSL *s, unsigned char *out,
1331 unsigned char *p, int len);
1332 int tls1_export_keying_material(SSL *s, unsigned char *out, size_t olen,
1333 const char *label, size_t llen,
1334 const unsigned char *p, size_t plen,
1335 int use_context);
1336 int tls1_alert_code(int code);
1337 int ssl3_alert_code(int code);
1338 int ssl_ok(SSL *s);
1339
1340 # ifndef OPENSSL_NO_ECDH
1341 int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s);
1342 # endif
1343
1344 SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n);
1345
1346 # ifndef OPENSSL_NO_EC
1347 int tls1_ec_curve_id2nid(int curve_id);
1348 int tls1_ec_nid2curve_id(int nid);
1349 int tls1_check_curve(SSL *s, const unsigned char *p, size_t len);
1350 int tls1_shared_curve(SSL *s, int nmatch);
1351 int tls1_set_curves(unsigned char **pext, size_t *pextlen,
1352 int *curves, size_t ncurves);
1353 int tls1_set_curves_list(unsigned char **pext, size_t *pextlen,
1354 const char *str);
1355 # ifndef OPENSSL_NO_ECDH
1356 int tls1_check_ec_tmp_key(SSL *s, unsigned long id);
1357 # endif /* OPENSSL_NO_ECDH */
1358 # endif /* OPENSSL_NO_EC */
1359
1360 # ifndef OPENSSL_NO_TLSEXT
1361 int tls1_shared_list(SSL *s,
1362 const unsigned char *l1, size_t l1len,
1363 const unsigned char *l2, size_t l2len, int nmatch);
1364 unsigned char *ssl_add_clienthello_tlsext(SSL *s, unsigned char *buf,
1365 unsigned char *limit, int *al);
1366 unsigned char *ssl_add_serverhello_tlsext(SSL *s, unsigned char *buf,
1367 unsigned char *limit, int *al);
1368 int ssl_parse_clienthello_tlsext(SSL *s, unsigned char **data,
1369 unsigned char *d, int n);
1370 int tls1_set_server_sigalgs(SSL *s);
1371 int ssl_check_clienthello_tlsext_late(SSL *s);
1372 int ssl_parse_serverhello_tlsext(SSL *s, unsigned char **data,
1373 unsigned char *d, int n);
1374 int ssl_prepare_clienthello_tlsext(SSL *s);
1375 int ssl_prepare_serverhello_tlsext(SSL *s);
1376
1377 # ifndef OPENSSL_NO_HEARTBEATS
1378 int tls1_heartbeat(SSL *s);
1379 int dtls1_heartbeat(SSL *s);
1380 int tls1_process_heartbeat(SSL *s);
1381 int dtls1_process_heartbeat(SSL *s);
1382 # endif
1383
1384 # ifdef OPENSSL_NO_SHA256
1385 # define tlsext_tick_md EVP_sha1
1386 # else
1387 # define tlsext_tick_md EVP_sha256
1388 # endif
1389 int tls1_process_ticket(SSL *s, unsigned char *session_id, int len,
1390 const unsigned char *limit, SSL_SESSION **ret);
1391
1392 int tls12_get_sigandhash(unsigned char *p, const EVP_PKEY *pk,
1393 const EVP_MD *md);
1394 int tls12_get_sigid(const EVP_PKEY *pk);
1395 const EVP_MD *tls12_get_hash(unsigned char hash_alg);
1396
1397 int tls1_set_sigalgs_list(CERT *c, const char *str, int client);
1398 int tls1_set_sigalgs(CERT *c, const int *salg, size_t salglen, int client);
1399 int tls1_check_chain(SSL *s, X509 *x, EVP_PKEY *pk, STACK_OF(X509) *chain,
1400 int idx);
1401 void tls1_set_cert_validity(SSL *s);
1402
1403 # endif
1404 EVP_MD_CTX *ssl_replace_hash(EVP_MD_CTX **hash, const EVP_MD *md);
1405 void ssl_clear_hash_ctx(EVP_MD_CTX **hash);
1406 int ssl_add_serverhello_renegotiate_ext(SSL *s, unsigned char *p, int *len,
1407 int maxlen);
1408 int ssl_parse_serverhello_renegotiate_ext(SSL *s, unsigned char *d, int len,
1409 int *al);
1410 int ssl_add_clienthello_renegotiate_ext(SSL *s, unsigned char *p, int *len,
1411 int maxlen);
1412 int ssl_parse_clienthello_renegotiate_ext(SSL *s, unsigned char *d, int len,
1413 int *al);
1414 long ssl_get_algorithm2(SSL *s);
1415 int tls1_save_sigalgs(SSL *s, const unsigned char *data, int dsize);
1416 int tls1_process_sigalgs(SSL *s);
1417 size_t tls12_get_psigalgs(SSL *s, const unsigned char **psigs);
1418 int tls12_check_peer_sigalg(const EVP_MD **pmd, SSL *s,
1419 const unsigned char *sig, EVP_PKEY *pkey);
1420 void ssl_set_client_disabled(SSL *s);
1421
1422 int ssl_add_clienthello_use_srtp_ext(SSL *s, unsigned char *p, int *len,
1423 int maxlen);
1424 int ssl_parse_clienthello_use_srtp_ext(SSL *s, unsigned char *d, int len,
1425 int *al);
1426 int ssl_add_serverhello_use_srtp_ext(SSL *s, unsigned char *p, int *len,
1427 int maxlen);
1428 int ssl_parse_serverhello_use_srtp_ext(SSL *s, unsigned char *d, int len,
1429 int *al);
1430
1431 /* s3_cbc.c */
1432 void ssl3_cbc_copy_mac(unsigned char *out,
1433 const SSL3_RECORD *rec,
1434 unsigned md_size, unsigned orig_len);
1435 int ssl3_cbc_remove_padding(const SSL *s,
1436 SSL3_RECORD *rec,
1437 unsigned block_size, unsigned mac_size);
1438 int tls1_cbc_remove_padding(const SSL *s,
1439 SSL3_RECORD *rec,
1440 unsigned block_size, unsigned mac_size);
1441 char ssl3_cbc_record_digest_supported(const EVP_MD_CTX *ctx);
1442 void ssl3_cbc_digest_record(const EVP_MD_CTX *ctx,
1443 unsigned char *md_out,
1444 size_t *md_out_size,
1445 const unsigned char header[13],
1446 const unsigned char *data,
1447 size_t data_plus_mac_size,
1448 size_t data_plus_mac_plus_padding_size,
1449 const unsigned char *mac_secret,
1450 unsigned mac_secret_length, char is_sslv3);
1451
1452 void tls_fips_digest_extra(const EVP_CIPHER_CTX *cipher_ctx,
1453 EVP_MD_CTX *mac_ctx, const unsigned char *data,
1454 size_t data_len, size_t orig_len);
1455
1456 int srp_verify_server_param(SSL *s, int *al);
1457
1458 /* t1_ext.c */
1459
1460 void custom_ext_init(custom_ext_methods *meths);
1461
1462 int custom_ext_parse(SSL *s, int server,
1463 unsigned int ext_type,
1464 const unsigned char *ext_data, size_t ext_size, int *al);
1465 int custom_ext_add(SSL *s, int server,
1466 unsigned char **pret, unsigned char *limit, int *al);
1467
1468 int custom_exts_copy(custom_ext_methods *dst, const custom_ext_methods *src);
1469 void custom_exts_free(custom_ext_methods *exts);
1470
1471 # else
1472
1473 # define ssl_init_wbio_buffer SSL_test_functions()->p_ssl_init_wbio_buffer
1474 # define ssl3_setup_buffers SSL_test_functions()->p_ssl3_setup_buffers
1475 # define tls1_process_heartbeat SSL_test_functions()->p_tls1_process_heartbeat
1476 # define dtls1_process_heartbeat SSL_test_functions()->p_dtls1_process_heartbeat
1477
1478 # endif
1479 #endif
Tomato firmware and modifications.