1 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
4 * This package is an SSL implementation written
5 * by Eric Young (eay@cryptsoft.com).
6 * The implementation was written so as to conform with Netscapes SSL.
8 * This library is free for commercial and non-commercial use as long as
9 * the following conditions are aheared to. The following conditions
10 * apply to all code found in this distribution, be it the RC4, RSA,
11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
12 * included with this distribution is covered by the same copyright terms
13 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 * Copyright remains Eric Young's, and as such any Copyright notices in
16 * the code are not to be removed.
17 * If this package is used in a product, Eric Young should be given attribution
18 * as the author of the parts of the library used.
19 * This can be in the form of a textual message at program startup or
20 * in documentation (online or textual) provided with the package.
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
25 * 1. Redistributions of source code must retain the copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 * 3. All advertising materials mentioning features or use of this software
31 * must display the following acknowledgement:
32 * "This product includes cryptographic software written by
33 * Eric Young (eay@cryptsoft.com)"
34 * The word 'cryptographic' can be left out if the rouines from the library
35 * being used are not cryptographic related :-).
36 * 4. If you include any Windows specific code (or a derivative thereof) from
37 * the apps directory (application code) you must include an acknowledgement:
38 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
52 * The licence and distribution terms for any publically available version or
53 * derivative of this code cannot be changed. i.e. this code cannot simply be
54 * copied and put under another distribution licence
55 * [including the GNU Public Licence.]
57 /* ====================================================================
58 * Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved.
60 * Redistribution and use in source and binary forms, with or without
61 * modification, are permitted provided that the following conditions
64 * 1. Redistributions of source code must retain the above copyright
65 * notice, this list of conditions and the following disclaimer.
67 * 2. Redistributions in binary form must reproduce the above copyright
68 * notice, this list of conditions and the following disclaimer in
69 * the documentation and/or other materials provided with the
72 * 3. All advertising materials mentioning features or use of this
73 * software must display the following acknowledgment:
74 * "This product includes software developed by the OpenSSL Project
75 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
77 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
78 * endorse or promote products derived from this software without
79 * prior written permission. For written permission, please contact
80 * openssl-core@openssl.org.
82 * 5. Products derived from this software may not be called "OpenSSL"
83 * nor may "OpenSSL" appear in their names without prior written
84 * permission of the OpenSSL Project.
86 * 6. Redistributions of any form whatsoever must retain the following
88 * "This product includes software developed by the OpenSSL Project
89 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
91 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
92 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
93 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
94 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
95 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
96 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
97 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
98 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
99 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
100 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
101 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
102 * OF THE POSSIBILITY OF SUCH DAMAGE.
103 * ====================================================================
105 * This product includes cryptographic software written by Eric Young
106 * (eay@cryptsoft.com). This product includes software written by Tim
107 * Hudson (tjh@cryptsoft.com).
110 /* ====================================================================
111 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
112 * ECC cipher suite support in OpenSSL originally developed by
113 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
115 /* ====================================================================
116 * Copyright 2005 Nokia. All rights reserved.
118 * The portions of the attached software ("Contribution") is developed by
119 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
122 * The Contribution, originally written by Mika Kousa and Pasi Eronen of
123 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
124 * support (see RFC 4279) to OpenSSL.
126 * No patent licenses or other rights except those expressly stated in
127 * the OpenSSL open source license shall be deemed granted or received
128 * expressly, by implication, estoppel, or otherwise.
130 * No assurances are provided by Nokia that the Contribution does not
131 * infringe the patent or other intellectual property rights of any third
132 * party or that the license provides you with all the necessary rights
133 * to make use of the Contribution.
135 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
136 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
137 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
138 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
142 #ifndef HEADER_SSL_LOCL_H
143 # define HEADER_SSL_LOCL_H
151 # include <openssl/buffer.h>
152 # ifndef OPENSSL_NO_COMP
153 # include <openssl/comp.h>
155 # include <openssl/bio.h>
156 # include <openssl/stack.h>
157 # ifndef OPENSSL_NO_RSA
158 # include <openssl/rsa.h>
160 # ifndef OPENSSL_NO_DSA
161 # include <openssl/dsa.h>
163 # include <openssl/err.h>
164 # include <openssl/ssl.h>
165 # include <openssl/async.h>
166 # include <openssl/symhacks.h>
168 #include "record/record.h"
169 #include "statem/statem.h"
170 #include "packet_locl.h"
171 #include "internal/dane.h"
173 # ifdef OPENSSL_BUILD_SHLIBSSL
174 # undef OPENSSL_EXTERN
175 # define OPENSSL_EXTERN OPENSSL_EXPORT
180 # define c2l(c,l) (l = ((unsigned long)(*((c)++))) , \
181 l|=(((unsigned long)(*((c)++)))<< 8), \
182 l|=(((unsigned long)(*((c)++)))<<16), \
183 l|=(((unsigned long)(*((c)++)))<<24))
185 /* NOTE - c is not incremented as per c2l */
186 # define c2ln(c,l1,l2,n) { \
190 case 8: l2 =((unsigned long)(*(--(c))))<<24; \
191 case 7: l2|=((unsigned long)(*(--(c))))<<16; \
192 case 6: l2|=((unsigned long)(*(--(c))))<< 8; \
193 case 5: l2|=((unsigned long)(*(--(c)))); \
194 case 4: l1 =((unsigned long)(*(--(c))))<<24; \
195 case 3: l1|=((unsigned long)(*(--(c))))<<16; \
196 case 2: l1|=((unsigned long)(*(--(c))))<< 8; \
197 case 1: l1|=((unsigned long)(*(--(c)))); \
201 # define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \
202 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
203 *((c)++)=(unsigned char)(((l)>>16)&0xff), \
204 *((c)++)=(unsigned char)(((l)>>24)&0xff))
206 # define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24, \
207 l|=((unsigned long)(*((c)++)))<<16, \
208 l|=((unsigned long)(*((c)++)))<< 8, \
209 l|=((unsigned long)(*((c)++))))
211 # define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24)&0xff), \
212 *((c)++)=(unsigned char)(((l)>>16)&0xff), \
213 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
214 *((c)++)=(unsigned char)(((l) )&0xff))
216 # define l2n6(l,c) (*((c)++)=(unsigned char)(((l)>>40)&0xff), \
217 *((c)++)=(unsigned char)(((l)>>32)&0xff), \
218 *((c)++)=(unsigned char)(((l)>>24)&0xff), \
219 *((c)++)=(unsigned char)(((l)>>16)&0xff), \
220 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
221 *((c)++)=(unsigned char)(((l) )&0xff))
223 # define l2n8(l,c) (*((c)++)=(unsigned char)(((l)>>56)&0xff), \
224 *((c)++)=(unsigned char)(((l)>>48)&0xff), \
225 *((c)++)=(unsigned char)(((l)>>40)&0xff), \
226 *((c)++)=(unsigned char)(((l)>>32)&0xff), \
227 *((c)++)=(unsigned char)(((l)>>24)&0xff), \
228 *((c)++)=(unsigned char)(((l)>>16)&0xff), \
229 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
230 *((c)++)=(unsigned char)(((l) )&0xff))
232 # define n2l6(c,l) (l =((BN_ULLONG)(*((c)++)))<<40, \
233 l|=((BN_ULLONG)(*((c)++)))<<32, \
234 l|=((BN_ULLONG)(*((c)++)))<<24, \
235 l|=((BN_ULLONG)(*((c)++)))<<16, \
236 l|=((BN_ULLONG)(*((c)++)))<< 8, \
237 l|=((BN_ULLONG)(*((c)++))))
239 /* NOTE - c is not incremented as per l2c */
240 # define l2cn(l1,l2,c,n) { \
243 case 8: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \
244 case 7: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \
245 case 6: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \
246 case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \
247 case 4: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \
248 case 3: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \
249 case 2: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \
250 case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \
254 # define n2s(c,s) ((s=(((unsigned int)(c[0]))<< 8)| \
255 (((unsigned int)(c[1])) )),c+=2)
256 # define s2n(s,c) ((c[0]=(unsigned char)(((s)>> 8)&0xff), \
257 c[1]=(unsigned char)(((s) )&0xff)),c+=2)
259 # define n2l3(c,l) ((l =(((unsigned long)(c[0]))<<16)| \
260 (((unsigned long)(c[1]))<< 8)| \
261 (((unsigned long)(c[2])) )),c+=3)
263 # define l2n3(l,c) ((c[0]=(unsigned char)(((l)>>16)&0xff), \
264 c[1]=(unsigned char)(((l)>> 8)&0xff), \
265 c[2]=(unsigned char)(((l) )&0xff)),c+=3)
267 #define DTLS_VERSION_GT(v1, v2) ((v1) < (v2))
268 #define DTLS_VERSION_GE(v1, v2) ((v1) <= (v2))
269 #define DTLS_VERSION_LT(v1, v2) ((v1) > (v2))
270 #define DTLS_VERSION_LE(v1, v2) ((v1) >= (v2))
274 # define SSL_DECRYPT 0
275 # define SSL_ENCRYPT 1
277 # define TWO_BYTE_BIT 0x80
278 # define SEC_ESC_BIT 0x40
279 # define TWO_BYTE_MASK 0x7fff
280 # define THREE_BYTE_MASK 0x3fff
282 # define INC32(a) ((a)=((a)+1)&0xffffffffL)
283 # define DEC32(a) ((a)=((a)-1)&0xffffffffL)
284 # define MAX_MAC_SIZE 20 /* up from 16 for SSLv3 */
287 * Define the Bitmasks for SSL_CIPHER.algorithms.
288 * This bits are used packed as dense as possible. If new methods/ciphers
289 * etc will be added, the bits a likely to change, so this information
290 * is for internal library use only, even though SSL_CIPHER.algorithms
291 * can be publicly accessed.
292 * Use the according functions for cipher management instead.
294 * The bit mask handling in the selection and sorting scheme in
295 * ssl_create_cipher_list() has only limited capabilities, reflecting
296 * that the different entities within are mutually exclusive:
297 * ONLY ONE BIT PER MASK CAN BE SET AT A TIME.
300 /* Bits for algorithm_mkey (key exchange algorithm) */
301 /* RSA key exchange */
302 # define SSL_kRSA 0x00000001U
303 /* tmp DH key no DH cert */
304 # define SSL_kDHE 0x00000002U
306 # define SSL_kEDH SSL_kDHE
307 /* ECDH cert, RSA CA cert */
308 # define SSL_kECDHr 0x00000004U
309 /* ECDH cert, ECDSA CA cert */
310 # define SSL_kECDHe 0x00000008U
312 # define SSL_kECDHE 0x00000010U
314 # define SSL_kEECDH SSL_kECDHE
316 # define SSL_kPSK 0x00000020U
317 /* GOST key exchange */
318 # define SSL_kGOST 0x00000040U
320 # define SSL_kSRP 0x00000080U
322 # define SSL_kRSAPSK 0x00000100U
323 # define SSL_kECDHEPSK 0x00000200U
324 # define SSL_kDHEPSK 0x00000400U
328 #define SSL_PSK (SSL_kPSK | SSL_kRSAPSK | SSL_kECDHEPSK | SSL_kDHEPSK)
330 /* Bits for algorithm_auth (server authentication) */
332 # define SSL_aRSA 0x00000001U
334 # define SSL_aDSS 0x00000002U
335 /* no auth (i.e. use ADH or AECDH) */
336 # define SSL_aNULL 0x00000004U
337 /* Fixed ECDH auth (kECDHe or kECDHr) */
338 # define SSL_aECDH 0x00000008U
340 # define SSL_aECDSA 0x00000010U
342 # define SSL_aPSK 0x00000020U
343 /* GOST R 34.10-2001 signature auth */
344 # define SSL_aGOST01 0x00000040U
346 # define SSL_aSRP 0x00000080U
347 /* GOST R 34.10-2012 signature auth */
348 # define SSL_aGOST12 0x00000100U
350 /* Bits for algorithm_enc (symmetric encryption) */
351 # define SSL_DES 0x00000001U
352 # define SSL_3DES 0x00000002U
353 # define SSL_RC4 0x00000004U
354 # define SSL_RC2 0x00000008U
355 # define SSL_IDEA 0x00000010U
356 # define SSL_eNULL 0x00000020U
357 # define SSL_AES128 0x00000040U
358 # define SSL_AES256 0x00000080U
359 # define SSL_CAMELLIA128 0x00000100U
360 # define SSL_CAMELLIA256 0x00000200U
361 # define SSL_eGOST2814789CNT 0x00000400U
362 # define SSL_SEED 0x00000800U
363 # define SSL_AES128GCM 0x00001000U
364 # define SSL_AES256GCM 0x00002000U
365 # define SSL_AES128CCM 0x00004000U
366 # define SSL_AES256CCM 0x00008000U
367 # define SSL_AES128CCM8 0x00010000U
368 # define SSL_AES256CCM8 0x00020000U
369 # define SSL_eGOST2814789CNT12 0x00040000U
370 # define SSL_CHACHA20POLY1305 0x00080000U
372 # define SSL_AES (SSL_AES128|SSL_AES256|SSL_AES128GCM|SSL_AES256GCM|SSL_AES128CCM|SSL_AES256CCM|SSL_AES128CCM8|SSL_AES256CCM8)
373 # define SSL_CAMELLIA (SSL_CAMELLIA128|SSL_CAMELLIA256)
375 /* Bits for algorithm_mac (symmetric authentication) */
377 # define SSL_MD5 0x00000001U
378 # define SSL_SHA1 0x00000002U
379 # define SSL_GOST94 0x00000004U
380 # define SSL_GOST89MAC 0x00000008U
381 # define SSL_SHA256 0x00000010U
382 # define SSL_SHA384 0x00000020U
383 /* Not a real MAC, just an indication it is part of cipher */
384 # define SSL_AEAD 0x00000040U
385 # define SSL_GOST12_256 0x00000080U
386 # define SSL_GOST89MAC12 0x00000100U
387 # define SSL_GOST12_512 0x00000200U
389 /* Bits for algorithm_ssl (protocol version) */
390 # define SSL_SSLV3 0x00000002U
391 # define SSL_TLSV1 0x00000004U
392 # define SSL_TLSV1_2 0x00000008U
395 * When adding new digest in the ssl_ciph.c and increment SSL_MD_NUM_IDX make
396 * sure to update this constant too
399 # define SSL_MD_MD5_IDX 0
400 # define SSL_MD_SHA1_IDX 1
401 # define SSL_MD_GOST94_IDX 2
402 # define SSL_MD_GOST89MAC_IDX 3
403 # define SSL_MD_SHA256_IDX 4
404 # define SSL_MD_SHA384_IDX 5
405 # define SSL_MD_GOST12_256_IDX 6
406 # define SSL_MD_GOST89MAC12_IDX 7
407 # define SSL_MD_GOST12_512_IDX 8
408 # define SSL_MD_MD5_SHA1_IDX 9
409 # define SSL_MD_SHA224_IDX 10
410 # define SSL_MD_SHA512_IDX 11
411 # define SSL_MAX_DIGEST 12
413 /* Bits for algorithm2 (handshake digests and other extra flags) */
415 /* Bits 0-7 are handshake MAC */
416 # define SSL_HANDSHAKE_MAC_MASK 0xFF
417 # define SSL_HANDSHAKE_MAC_MD5_SHA1 SSL_MD_MD5_SHA1_IDX
418 # define SSL_HANDSHAKE_MAC_SHA256 SSL_MD_SHA256_IDX
419 # define SSL_HANDSHAKE_MAC_SHA384 SSL_MD_SHA384_IDX
420 # define SSL_HANDSHAKE_MAC_GOST94 SSL_MD_GOST94_IDX
421 # define SSL_HANDSHAKE_MAC_GOST12_256 SSL_MD_GOST12_256_IDX
422 # define SSL_HANDSHAKE_MAC_GOST12_512 SSL_MD_GOST12_512_IDX
423 # define SSL_HANDSHAKE_MAC_DEFAULT SSL_HANDSHAKE_MAC_MD5_SHA1
425 /* Bits 8-15 bits are PRF */
426 # define TLS1_PRF_DGST_SHIFT 8
427 # define TLS1_PRF_SHA1_MD5 (SSL_MD_MD5_SHA1_IDX << TLS1_PRF_DGST_SHIFT)
428 # define TLS1_PRF_SHA256 (SSL_MD_SHA256_IDX << TLS1_PRF_DGST_SHIFT)
429 # define TLS1_PRF_SHA384 (SSL_MD_SHA384_IDX << TLS1_PRF_DGST_SHIFT)
430 # define TLS1_PRF_GOST94 (SSL_MD_GOST94_IDX << TLS1_PRF_DGST_SHIFT)
431 # define TLS1_PRF_GOST12_256 (SSL_MD_GOST12_256_IDX << TLS1_PRF_DGST_SHIFT)
432 # define TLS1_PRF_GOST12_512 (SSL_MD_GOST12_512_IDX << TLS1_PRF_DGST_SHIFT)
433 # define TLS1_PRF (SSL_MD_MD5_SHA1_IDX << TLS1_PRF_DGST_SHIFT)
436 * Stream MAC for GOST ciphersuites from cryptopro draft (currently this also
437 * goes into algorithm2)
439 # define TLS1_STREAM_MAC 0x10000
441 # define SSL_DEFAULT_MASK 0X00000020U
443 # define SSL_STRONG_NONE 0x00000001U
444 # define SSL_LOW 0x00000002U
445 # define SSL_MEDIUM 0x00000004U
446 # define SSL_HIGH 0x00000008U
447 # define SSL_FIPS 0x00000010U
448 # define SSL_NOT_DEFAULT 0x00000020U
450 /* we have used 0000003f - 26 bits left to go */
452 /* Check if an SSL structure is using DTLS */
453 # define SSL_IS_DTLS(s) (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS)
454 /* See if we need explicit IV */
455 # define SSL_USE_EXPLICIT_IV(s) \
456 (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_EXPLICIT_IV)
458 * See if we use signature algorithms extension and signature algorithm
461 # define SSL_USE_SIGALGS(s) \
462 (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_SIGALGS)
464 * Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2: may
465 * apply to others in future.
467 # define SSL_USE_TLS1_2_CIPHERS(s) \
468 (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_TLS1_2_CIPHERS)
470 * Determine if a client can use TLS 1.2 ciphersuites: can't rely on method
471 * flags because it may not be set to correct version yet.
473 # define SSL_CLIENT_USE_TLS1_2_CIPHERS(s) \
474 ((!SSL_IS_DTLS(s) && s->client_version >= TLS1_2_VERSION) || \
475 (SSL_IS_DTLS(s) && DTLS_VERSION_GE(s->client_version, DTLS1_2_VERSION)))
477 # ifdef TLSEXT_TYPE_encrypt_then_mac
478 # define SSL_USE_ETM(s) (s->s3->flags & TLS1_FLAGS_ENCRYPT_THEN_MAC)
480 # define SSL_USE_ETM(s) (0)
483 /* Mostly for SSLv3 */
484 # define SSL_PKEY_RSA_ENC 0
485 # define SSL_PKEY_RSA_SIGN 1
486 # define SSL_PKEY_DSA_SIGN 2
487 # define SSL_PKEY_ECC 3
488 # define SSL_PKEY_GOST01 4
489 # define SSL_PKEY_GOST12_256 5
490 # define SSL_PKEY_GOST12_512 6
491 # define SSL_PKEY_NUM 7
493 * Pseudo-constant. GOST cipher suites can use different certs for 1
494 * SSL_CIPHER. So let's see which one we have in fact.
496 # define SSL_PKEY_GOST_EC SSL_PKEY_NUM+1
499 * SSL_kRSA <- RSA_ENC
500 * SSL_kDH <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN)
501 * SSL_kDHE <- RSA_ENC | RSA_SIGN | DSA_SIGN
502 * SSL_aRSA <- RSA_ENC | RSA_SIGN
503 * SSL_aDSS <- DSA_SIGN
507 #define CERT_INVALID 0
508 #define CERT_PUBLIC_KEY 1
509 #define CERT_PRIVATE_KEY 2
513 /* CipherSuite length. SSLv3 and all TLS versions. */
514 #define TLS_CIPHER_LEN 2
515 /* used to hold info on the particular ciphers used */
516 struct ssl_cipher_st
{
518 const char *name
; /* text name */
519 uint32_t id
; /* id, 4 bytes, first is version */
521 * changed in 1.0.0: these four used to be portions of a single value
524 uint32_t algorithm_mkey
; /* key exchange algorithm */
525 uint32_t algorithm_auth
; /* server authentication */
526 uint32_t algorithm_enc
; /* symmetric encryption */
527 uint32_t algorithm_mac
; /* symmetric authentication */
528 uint32_t algorithm_ssl
; /* (major) protocol version */
529 uint32_t algo_strength
; /* strength and export flags */
530 uint32_t algorithm2
; /* Extra flags */
531 int32_t strength_bits
; /* Number of bits really used */
532 uint32_t alg_bits
; /* Number of bits for algorithm */
535 /* Used to hold SSL/TLS functions */
536 struct ssl_method_st
{
540 int (*ssl_new
) (SSL
*s
);
541 void (*ssl_clear
) (SSL
*s
);
542 void (*ssl_free
) (SSL
*s
);
543 int (*ssl_accept
) (SSL
*s
);
544 int (*ssl_connect
) (SSL
*s
);
545 int (*ssl_read
) (SSL
*s
, void *buf
, int len
);
546 int (*ssl_peek
) (SSL
*s
, void *buf
, int len
);
547 int (*ssl_write
) (SSL
*s
, const void *buf
, int len
);
548 int (*ssl_shutdown
) (SSL
*s
);
549 int (*ssl_renegotiate
) (SSL
*s
);
550 int (*ssl_renegotiate_check
) (SSL
*s
);
551 int (*ssl_read_bytes
) (SSL
*s
, int type
, int *recvd_type
,
552 unsigned char *buf
, int len
, int peek
);
553 int (*ssl_write_bytes
) (SSL
*s
, int type
, const void *buf_
, int len
);
554 int (*ssl_dispatch_alert
) (SSL
*s
);
555 long (*ssl_ctrl
) (SSL
*s
, int cmd
, long larg
, void *parg
);
556 long (*ssl_ctx_ctrl
) (SSL_CTX
*ctx
, int cmd
, long larg
, void *parg
);
557 const SSL_CIPHER
*(*get_cipher_by_char
) (const unsigned char *ptr
);
558 int (*put_cipher_by_char
) (const SSL_CIPHER
*cipher
, unsigned char *ptr
);
559 int (*ssl_pending
) (const SSL
*s
);
560 int (*num_ciphers
) (void);
561 const SSL_CIPHER
*(*get_cipher
) (unsigned ncipher
);
562 const struct ssl_method_st
*(*get_ssl_method
) (int version
);
563 long (*get_timeout
) (void);
564 const struct ssl3_enc_method
*ssl3_enc
; /* Extra SSLv3/TLS stuff */
565 int (*ssl_version
) (void);
566 long (*ssl_callback_ctrl
) (SSL
*s
, int cb_id
, void (*fp
) (void));
567 long (*ssl_ctx_callback_ctrl
) (SSL_CTX
*s
, int cb_id
, void (*fp
) (void));
571 * Lets make this into an ASN.1 type structure as follows
572 * SSL_SESSION_ID ::= SEQUENCE {
573 * version INTEGER, -- structure version number
574 * SSLversion INTEGER, -- SSL version number
575 * Cipher OCTET STRING, -- the 3 byte cipher ID
576 * Session_ID OCTET STRING, -- the Session ID
577 * Master_key OCTET STRING, -- the master key
578 * Key_Arg [ 0 ] IMPLICIT OCTET STRING, -- the optional Key argument
579 * Time [ 1 ] EXPLICIT INTEGER, -- optional Start Time
580 * Timeout [ 2 ] EXPLICIT INTEGER, -- optional Timeout ins seconds
581 * Peer [ 3 ] EXPLICIT X509, -- optional Peer Certificate
582 * Session_ID_context [ 4 ] EXPLICIT OCTET STRING, -- the Session ID context
583 * Verify_result [ 5 ] EXPLICIT INTEGER, -- X509_V_... code for `Peer'
584 * HostName [ 6 ] EXPLICIT OCTET STRING, -- optional HostName from servername TLS extension
585 * PSK_identity_hint [ 7 ] EXPLICIT OCTET STRING, -- optional PSK identity hint
586 * PSK_identity [ 8 ] EXPLICIT OCTET STRING, -- optional PSK identity
587 * Ticket_lifetime_hint [9] EXPLICIT INTEGER, -- server's lifetime hint for session ticket
588 * Ticket [10] EXPLICIT OCTET STRING, -- session ticket (clients only)
589 * Compression_meth [11] EXPLICIT OCTET STRING, -- optional compression method
590 * SRP_username [ 12 ] EXPLICIT OCTET STRING -- optional SRP username
591 * flags [ 13 ] EXPLICIT INTEGER -- optional flags
593 * Look in ssl/ssl_asn1.c for more details
594 * I'm using EXPLICIT tags so I can read the damn things using asn1parse :-).
596 struct ssl_session_st
{
597 int ssl_version
; /* what ssl version session info is being
599 int master_key_length
;
600 unsigned char master_key
[SSL_MAX_MASTER_KEY_LENGTH
];
601 /* session_id - valid? */
602 unsigned int session_id_length
;
603 unsigned char session_id
[SSL_MAX_SSL_SESSION_ID_LENGTH
];
605 * this is used to determine whether the session is being reused in the
606 * appropriate context. It is up to the application to set this, via
609 unsigned int sid_ctx_length
;
610 unsigned char sid_ctx
[SSL_MAX_SID_CTX_LENGTH
];
611 # ifndef OPENSSL_NO_PSK
612 char *psk_identity_hint
;
616 * Used to indicate that session resumption is not allowed. Applications
617 * can also set this bit for a new session via not_resumable_session_cb
618 * to disable session caching and tickets.
621 /* This is the cert and type for the other end. */
624 /* Certificate chain of peer */
625 STACK_OF(X509
) *peer_chain
;
627 * when app_verify_callback accepts a session where the peer's
628 * certificate is not ok, we must remember the error for session reuse:
630 long verify_result
; /* only for servers */
634 unsigned int compress_meth
; /* Need to lookup the method */
635 const SSL_CIPHER
*cipher
;
636 unsigned long cipher_id
; /* when ASN.1 loaded, this needs to be used
637 * to load the 'cipher' structure */
638 STACK_OF(SSL_CIPHER
) *ciphers
; /* shared ciphers? */
639 CRYPTO_EX_DATA ex_data
; /* application specific data */
641 * These are used to make removal of session-ids more efficient and to
642 * implement a maximum cache size.
644 struct ssl_session_st
*prev
, *next
;
645 char *tlsext_hostname
;
646 # ifndef OPENSSL_NO_EC
647 size_t tlsext_ecpointformatlist_length
;
648 unsigned char *tlsext_ecpointformatlist
; /* peer's list */
649 size_t tlsext_ellipticcurvelist_length
;
650 unsigned char *tlsext_ellipticcurvelist
; /* peer's list */
651 # endif /* OPENSSL_NO_EC */
653 unsigned char *tlsext_tick
; /* Session ticket */
654 size_t tlsext_ticklen
; /* Session ticket length */
655 unsigned long tlsext_tick_lifetime_hint
; /* Session lifetime hint in seconds */
656 # ifndef OPENSSL_NO_SRP
662 /* Extended master secret support */
663 # define SSL_SESS_FLAG_EXTMS 0x1
666 # ifndef OPENSSL_NO_SRP
668 typedef struct srp_ctx_st
{
669 /* param for all the callbacks */
671 /* set client Hello login callback */
672 int (*TLS_ext_srp_username_callback
) (SSL
*, int *, void *);
673 /* set SRP N/g param callback for verification */
674 int (*SRP_verify_param_callback
) (SSL
*, void *);
675 /* set SRP client passwd callback */
676 char *(*SRP_give_srp_client_pwd_callback
) (SSL
*, void *);
678 BIGNUM
*N
, *g
, *s
, *B
, *A
;
682 unsigned long srp_Mask
;
693 DEFINE_LHASH_OF(SSL_SESSION
);
697 const SSL_METHOD
*method
;
698 STACK_OF(SSL_CIPHER
) *cipher_list
;
699 /* same as above but sorted for lookup */
700 STACK_OF(SSL_CIPHER
) *cipher_list_by_id
;
701 struct x509_store_st
/* X509_STORE */ *cert_store
;
702 LHASH_OF(SSL_SESSION
) *sessions
;
704 * Most session-ids that will be cached, default is
705 * SSL_SESSION_CACHE_MAX_SIZE_DEFAULT. 0 is unlimited.
707 unsigned long session_cache_size
;
708 struct ssl_session_st
*session_cache_head
;
709 struct ssl_session_st
*session_cache_tail
;
711 * This can have one of 2 values, ored together, SSL_SESS_CACHE_CLIENT,
712 * SSL_SESS_CACHE_SERVER, Default is SSL_SESSION_CACHE_SERVER, which
713 * means only SSL_accept which cache SSL_SESSIONS.
715 uint32_t session_cache_mode
;
717 * If timeout is not 0, it is the default timeout value set when
718 * SSL_new() is called. This has been put in to make life easier to set
721 long session_timeout
;
723 * If this callback is not null, it will be called each time a session id
724 * is added to the cache. If this function returns 1, it means that the
725 * callback will do a SSL_SESSION_free() when it has finished using it.
726 * Otherwise, on 0, it means the callback has finished with it. If
727 * remove_session_cb is not null, it will be called when a session-id is
728 * removed from the cache. After the call, OpenSSL will
729 * SSL_SESSION_free() it.
731 int (*new_session_cb
) (struct ssl_st
*ssl
, SSL_SESSION
*sess
);
732 void (*remove_session_cb
) (struct ssl_ctx_st
*ctx
, SSL_SESSION
*sess
);
733 SSL_SESSION
*(*get_session_cb
) (struct ssl_st
*ssl
,
734 unsigned char *data
, int len
, int *copy
);
736 int sess_connect
; /* SSL new conn - started */
737 int sess_connect_renegotiate
; /* SSL reneg - requested */
738 int sess_connect_good
; /* SSL new conne/reneg - finished */
739 int sess_accept
; /* SSL new accept - started */
740 int sess_accept_renegotiate
; /* SSL reneg - requested */
741 int sess_accept_good
; /* SSL accept/reneg - finished */
742 int sess_miss
; /* session lookup misses */
743 int sess_timeout
; /* reuse attempt on timeouted session */
744 int sess_cache_full
; /* session removed due to full cache */
745 int sess_hit
; /* session reuse actually done */
746 int sess_cb_hit
; /* session-id that was not in the cache was
747 * passed back via the callback. This
748 * indicates that the application is
749 * supplying session-id's from other
750 * processes - spooky :-) */
755 /* if defined, these override the X509_verify_cert() calls */
756 int (*app_verify_callback
) (X509_STORE_CTX
*, void *);
757 void *app_verify_arg
;
759 * before OpenSSL 0.9.7, 'app_verify_arg' was ignored
760 * ('app_verify_callback' was called with just one argument)
763 /* Default password callback. */
764 pem_password_cb
*default_passwd_callback
;
766 /* Default password callback user data. */
767 void *default_passwd_callback_userdata
;
769 /* get client cert callback */
770 int (*client_cert_cb
) (SSL
*ssl
, X509
**x509
, EVP_PKEY
**pkey
);
772 /* cookie generate callback */
773 int (*app_gen_cookie_cb
) (SSL
*ssl
, unsigned char *cookie
,
774 unsigned int *cookie_len
);
776 /* verify cookie callback */
777 int (*app_verify_cookie_cb
) (SSL
*ssl
, const unsigned char *cookie
,
778 unsigned int cookie_len
);
780 CRYPTO_EX_DATA ex_data
;
782 const EVP_MD
*md5
; /* For SSLv3/TLSv1 'ssl3-md5' */
783 const EVP_MD
*sha1
; /* For SSLv3/TLSv1 'ssl3->sha1' */
785 STACK_OF(X509
) *extra_certs
;
786 STACK_OF(SSL_COMP
) *comp_methods
; /* stack of SSL_COMP, SSLv3/TLSv1 */
788 /* Default values used when no per-SSL value is defined follow */
790 /* used if SSL's info_callback is NULL */
791 void (*info_callback
) (const SSL
*ssl
, int type
, int val
);
793 /* what we put in client cert requests */
794 STACK_OF(X509_NAME
) *client_CA
;
797 * Default values to use in SSL structures follow (these are copied by
803 int min_proto_version
;
804 int max_proto_version
;
807 struct cert_st
/* CERT */ *cert
;
810 /* callback that allows applications to peek at protocol messages */
811 void (*msg_callback
) (int write_p
, int version
, int content_type
,
812 const void *buf
, size_t len
, SSL
*ssl
, void *arg
);
813 void *msg_callback_arg
;
815 uint32_t verify_mode
;
816 unsigned int sid_ctx_length
;
817 unsigned char sid_ctx
[SSL_MAX_SID_CTX_LENGTH
];
818 /* called 'verify_callback' in the SSL */
819 int (*default_verify_callback
) (int ok
, X509_STORE_CTX
*ctx
);
821 /* Default generate session ID callback. */
822 GEN_SESSION_CB generate_session_id
;
824 X509_VERIFY_PARAM
*param
;
829 * Maximum amount of data to send in one fragment. actual record size can
830 * be more than this due to padding and MAC overheads.
832 unsigned int max_send_fragment
;
834 # ifndef OPENSSL_NO_ENGINE
836 * Engine to pass requests for client certs to
838 ENGINE
*client_cert_engine
;
841 /* TLS extensions servername callback */
842 int (*tlsext_servername_callback
) (SSL
*, int *, void *);
843 void *tlsext_servername_arg
;
844 /* RFC 4507 session ticket keys */
845 unsigned char tlsext_tick_key_name
[16];
846 unsigned char tlsext_tick_hmac_key
[16];
847 unsigned char tlsext_tick_aes_key
[16];
848 /* Callback to support customisation of ticket key setting */
849 int (*tlsext_ticket_key_cb
) (SSL
*ssl
,
850 unsigned char *name
, unsigned char *iv
,
851 EVP_CIPHER_CTX
*ectx
,
852 HMAC_CTX
*hctx
, int enc
);
854 /* certificate status request info */
855 /* Callback for status request */
856 int (*tlsext_status_cb
) (SSL
*ssl
, void *arg
);
857 void *tlsext_status_arg
;
859 # ifndef OPENSSL_NO_PSK
860 unsigned int (*psk_client_callback
) (SSL
*ssl
, const char *hint
,
862 unsigned int max_identity_len
,
864 unsigned int max_psk_len
);
865 unsigned int (*psk_server_callback
) (SSL
*ssl
, const char *identity
,
867 unsigned int max_psk_len
);
870 # ifndef OPENSSL_NO_SRP
871 SRP_CTX srp_ctx
; /* ctx for SRP authentication */
874 # ifndef OPENSSL_NO_NEXTPROTONEG
875 /* Next protocol negotiation information */
876 /* (for experimental NPN extension). */
879 * For a server, this contains a callback function by which the set of
880 * advertised protocols can be provided.
882 int (*next_protos_advertised_cb
) (SSL
*s
, const unsigned char **buf
,
883 unsigned int *len
, void *arg
);
884 void *next_protos_advertised_cb_arg
;
886 * For a client, this contains a callback function that selects the next
887 * protocol from the list provided by the server.
889 int (*next_proto_select_cb
) (SSL
*s
, unsigned char **out
,
890 unsigned char *outlen
,
891 const unsigned char *in
,
892 unsigned int inlen
, void *arg
);
893 void *next_proto_select_cb_arg
;
897 * ALPN information (we are in the process of transitioning from NPN to
902 * For a server, this contains a callback function that allows the
903 * server to select the protocol for the connection.
904 * out: on successful return, this must point to the raw protocol
905 * name (without the length prefix).
906 * outlen: on successful return, this contains the length of |*out|.
907 * in: points to the client's list of supported protocols in
909 * inlen: the length of |in|.
911 int (*alpn_select_cb
) (SSL
*s
,
912 const unsigned char **out
,
913 unsigned char *outlen
,
914 const unsigned char *in
,
915 unsigned int inlen
, void *arg
);
916 void *alpn_select_cb_arg
;
919 * For a client, this contains the list of supported protocols in wire
922 unsigned char *alpn_client_proto_list
;
923 unsigned alpn_client_proto_list_len
;
925 /* Shared DANE context */
926 struct dane_ctx_st dane
;
928 /* SRTP profiles we are willing to do from RFC 5764 */
929 STACK_OF(SRTP_PROTECTION_PROFILE
) *srtp_profiles
;
931 * Callback for disabling session caching and ticket support on a session
932 * basis, depending on the chosen cipher.
934 int (*not_resumable_session_cb
) (SSL
*ssl
, int is_forward_secure
);
935 # ifndef OPENSSL_NO_EC
936 /* EC extension values inherited by SSL structure */
937 size_t tlsext_ecpointformatlist_length
;
938 unsigned char *tlsext_ecpointformatlist
;
939 size_t tlsext_ellipticcurvelist_length
;
940 unsigned char *tlsext_ellipticcurvelist
;
941 # endif /* OPENSSL_NO_EC */
947 * protocol version (one of SSL2_VERSION, SSL3_VERSION, TLS1_VERSION,
953 const SSL_METHOD
*method
;
955 * There are 2 BIO's even though they are normally both the same. This
956 * is so data can be read and written to different handlers
958 /* used by SSL_read */
960 /* used by SSL_write */
962 /* used during session-id reuse to concatenate messages */
965 * This holds a variable that indicates what we were doing when a 0 or -1
966 * is returned. This is needed for non-blocking IO so we know what
967 * request needs re-doing when in SSL_accept or SSL_connect
971 int (*handshake_func
) (SSL
*);
973 * Imagine that here's a boolean member "init" that is switched as soon
974 * as SSL_set_{accept/connect}_state is called for the first time, so
975 * that "state" and "handshake_func" are properly initialized. But as
976 * handshake_func is == 0 until then, we use this test instead of an
979 /* are we the server side? */
982 * Generate a new session or reuse an old one.
983 * NB: For servers, the 'new' session may actually be a previously
984 * cached session or even the previous session unless
985 * SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION is set
988 /* don't send shutdown packets */
990 /* we have shut things down, 0x01 sent, 0x02 for received */
995 BUF_MEM
*init_buf
; /* buffer used during init */
996 void *init_msg
; /* pointer to handshake message body, set by
997 * ssl3_get_message() */
998 int init_num
; /* amount read/written */
999 int init_off
; /* amount read/written */
1001 struct ssl3_state_st
*s3
; /* SSLv3 variables */
1002 struct dtls1_state_st
*d1
; /* DTLSv1 variables */
1004 /* callback that allows applications to peek at protocol messages */
1005 void (*msg_callback
) (int write_p
, int version
, int content_type
,
1006 const void *buf
, size_t len
, SSL
*ssl
, void *arg
);
1007 void *msg_callback_arg
;
1008 int hit
; /* reusing a previous session */
1009 X509_VERIFY_PARAM
*param
;
1011 /* Per connection DANE state */
1012 struct dane_st dane
;
1015 STACK_OF(SSL_CIPHER
) *cipher_list
;
1016 STACK_OF(SSL_CIPHER
) *cipher_list_by_id
;
1018 * These are the ones being used, the ones in SSL_SESSION are the ones to
1019 * be 'copied' into these ones
1022 EVP_CIPHER_CTX
*enc_read_ctx
; /* cryptographic state */
1023 EVP_MD_CTX
*read_hash
; /* used for mac generation */
1024 COMP_CTX
*compress
; /* compression */
1025 COMP_CTX
*expand
; /* uncompress */
1026 EVP_CIPHER_CTX
*enc_write_ctx
; /* cryptographic state */
1027 EVP_MD_CTX
*write_hash
; /* used for mac generation */
1030 /* This is used to hold the server certificate used */
1031 struct cert_st
/* CERT */ *cert
;
1033 * the session_id_context is used to ensure sessions are only reused in
1034 * the appropriate context
1036 unsigned int sid_ctx_length
;
1037 unsigned char sid_ctx
[SSL_MAX_SID_CTX_LENGTH
];
1038 /* This can also be in the session once a session is established */
1039 SSL_SESSION
*session
;
1040 /* Default generate session ID callback. */
1041 GEN_SESSION_CB generate_session_id
;
1044 * 0 don't care about verify failure.
1045 * 1 fail if verify fails
1047 uint32_t verify_mode
;
1048 /* fail if callback returns 0 */
1049 int (*verify_callback
) (int ok
, X509_STORE_CTX
*ctx
);
1050 /* optional informational callback */
1051 void (*info_callback
) (const SSL
*ssl
, int type
, int val
);
1052 /* error bytes to be written */
1056 # ifndef OPENSSL_NO_PSK
1057 unsigned int (*psk_client_callback
) (SSL
*ssl
, const char *hint
,
1059 unsigned int max_identity_len
,
1061 unsigned int max_psk_len
);
1062 unsigned int (*psk_server_callback
) (SSL
*ssl
, const char *identity
,
1064 unsigned int max_psk_len
);
1067 /* extra application data */
1069 CRYPTO_EX_DATA ex_data
;
1070 /* for server side, keep the list of CA_dn we can use */
1071 STACK_OF(X509_NAME
) *client_CA
;
1073 /* protocol behaviour */
1077 int min_proto_version
;
1078 int max_proto_version
;
1081 /* what was passed, used for SSLv3/TLS rollback check */
1083 unsigned int max_send_fragment
;
1085 /* TLS extension debug callback */
1086 void (*tlsext_debug_cb
) (SSL
*s
, int client_server
, int type
,
1087 unsigned char *data
, int len
, void *arg
);
1088 void *tlsext_debug_arg
;
1089 char *tlsext_hostname
;
1091 * no further mod of servername
1092 * 0 : call the servername extension callback.
1093 * 1 : prepare 2, allow last ack just after in server callback.
1094 * 2 : don't call servername callback, no ack in server hello
1096 int servername_done
;
1097 /* certificate status request info */
1098 /* Status type or -1 if no status type */
1099 int tlsext_status_type
;
1100 /* Expect OCSP CertificateStatus message */
1101 int tlsext_status_expected
;
1102 /* OCSP status request only */
1103 STACK_OF(OCSP_RESPID
) *tlsext_ocsp_ids
;
1104 X509_EXTENSIONS
*tlsext_ocsp_exts
;
1105 /* OCSP response received or to be sent */
1106 unsigned char *tlsext_ocsp_resp
;
1107 int tlsext_ocsp_resplen
;
1108 /* RFC4507 session ticket expected to be received or sent */
1109 int tlsext_ticket_expected
;
1110 # ifndef OPENSSL_NO_EC
1111 size_t tlsext_ecpointformatlist_length
;
1113 unsigned char *tlsext_ecpointformatlist
;
1114 size_t tlsext_ellipticcurvelist_length
;
1116 unsigned char *tlsext_ellipticcurvelist
;
1117 # endif /* OPENSSL_NO_EC */
1118 /* TLS Session Ticket extension override */
1119 TLS_SESSION_TICKET_EXT
*tlsext_session_ticket
;
1120 /* TLS Session Ticket extension callback */
1121 tls_session_ticket_ext_cb_fn tls_session_ticket_ext_cb
;
1122 void *tls_session_ticket_ext_cb_arg
;
1123 /* TLS pre-shared secret session resumption */
1124 tls_session_secret_cb_fn tls_session_secret_cb
;
1125 void *tls_session_secret_cb_arg
;
1126 SSL_CTX
*initial_ctx
; /* initial ctx, used to store sessions */
1127 # ifndef OPENSSL_NO_NEXTPROTONEG
1129 * Next protocol negotiation. For the client, this is the protocol that
1130 * we sent in NextProtocol and is set when handling ServerHello
1131 * extensions. For a server, this is the client's selected_protocol from
1132 * NextProtocol and is set when handling the NextProtocol message, before
1133 * the Finished message.
1135 unsigned char *next_proto_negotiated
;
1136 unsigned char next_proto_negotiated_len
;
1138 # define session_ctx initial_ctx
1140 STACK_OF(SRTP_PROTECTION_PROFILE
) *srtp_profiles
;
1141 /* What's been chosen */
1142 SRTP_PROTECTION_PROFILE
*srtp_profile
;
1144 * Is use of the Heartbeat extension negotiated?
1147 * 2: enabled, but not allowed to send Requests
1149 unsigned int tlsext_heartbeat
;
1150 /* Indicates if a HeartbeatRequest is in flight */
1151 unsigned int tlsext_hb_pending
;
1152 /* HeartbeatRequest sequence number */
1153 unsigned int tlsext_hb_seq
;
1155 * For a client, this contains the list of supported protocols in wire
1158 unsigned char *alpn_client_proto_list
;
1159 unsigned alpn_client_proto_list_len
;
1162 * 1 if we are renegotiating.
1163 * 2 if we are a server and are inside a handshake
1164 * (i.e. not just sending a HelloRequest)
1167 # ifndef OPENSSL_NO_SRP
1168 /* ctx for SRP authentication */
1172 * Callback for disabling session caching and ticket support on a session
1173 * basis, depending on the chosen cipher.
1175 int (*not_resumable_session_cb
) (SSL
*ssl
, int is_forward_secure
);
1177 RECORD_LAYER rlayer
;
1179 /* Default password callback. */
1180 pem_password_cb
*default_passwd_callback
;
1182 /* Default password callback user data. */
1183 void *default_passwd_callback_userdata
;
1185 /* Async Job info */
1190 typedef struct ssl3_state_st
{
1192 int read_mac_secret_size
;
1193 unsigned char read_mac_secret
[EVP_MAX_MD_SIZE
];
1194 int write_mac_secret_size
;
1195 unsigned char write_mac_secret
[EVP_MAX_MD_SIZE
];
1196 unsigned char server_random
[SSL3_RANDOM_SIZE
];
1197 unsigned char client_random
[SSL3_RANDOM_SIZE
];
1198 /* flags for countermeasure against known-IV weakness */
1199 int need_empty_fragments
;
1200 int empty_fragment_done
;
1201 /* used during startup, digest all incoming/outgoing packets */
1202 BIO
*handshake_buffer
;
1204 * When handshake digest is determined, buffer is hashed and
1205 * freed and MD_CTX for the required digest is stored here.
1207 EVP_MD_CTX
*handshake_dgst
;
1209 * Set whenever an expected ChangeCipherSpec message is processed.
1210 * Unset when the peer's Finished message is received.
1211 * Unexpected ChangeCipherSpec messages trigger a fatal alert.
1213 int change_cipher_spec
;
1217 * we allow one fatal and one warning alert to be outstanding, send close
1218 * alert via the warning alert
1221 unsigned char send_alert
[2];
1223 * This flag is set when we should renegotiate ASAP, basically when there
1224 * is no more data in the read or write buffers
1227 int total_renegotiations
;
1228 int num_renegotiations
;
1229 int in_read_app_data
;
1231 /* actually only need to be 16+20 for SSLv3 and 12 for TLS */
1232 unsigned char finish_md
[EVP_MAX_MD_SIZE
* 2];
1234 unsigned char peer_finish_md
[EVP_MAX_MD_SIZE
* 2];
1235 int peer_finish_md_len
;
1236 unsigned long message_size
;
1238 /* used to hold the new cipher we are going to use */
1239 const SSL_CIPHER
*new_cipher
;
1240 # if !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_DH)
1241 EVP_PKEY
*pkey
; /* holds short lived DH/ECDH key */
1243 /* used for certificate requests */
1246 char ctype
[SSL3_CT_NUMBER
];
1247 STACK_OF(X509_NAME
) *ca_names
;
1248 int key_block_length
;
1249 unsigned char *key_block
;
1250 const EVP_CIPHER
*new_sym_enc
;
1251 const EVP_MD
*new_hash
;
1252 int new_mac_pkey_type
;
1253 int new_mac_secret_size
;
1254 # ifndef OPENSSL_NO_COMP
1255 const SSL_COMP
*new_compression
;
1257 char *new_compression
;
1260 /* Raw values of the cipher list from a client */
1261 unsigned char *ciphers_raw
;
1262 size_t ciphers_rawlen
;
1263 /* Temporary storage for premaster secret */
1266 #ifndef OPENSSL_NO_PSK
1267 /* Temporary storage for PSK key */
1272 * signature algorithms peer reports: e.g. supported signature
1273 * algorithms extension for server or as part of a certificate
1274 * request for client.
1276 unsigned char *peer_sigalgs
;
1277 /* Size of above array */
1278 size_t peer_sigalgslen
;
1279 /* Digest peer uses for signing */
1280 const EVP_MD
*peer_md
;
1281 /* Array of digests used for signing */
1282 const EVP_MD
*md
[SSL_PKEY_NUM
];
1284 * Set if corresponding CERT_PKEY can be used with current
1285 * SSL session: e.g. appropriate curve, signature algorithms etc.
1286 * If zero it can't be used at all.
1288 uint32_t valid_flags
[SSL_PKEY_NUM
];
1290 * For servers the following masks are for the key and auth algorithms
1291 * that are supported by the certs below. For clients they are masks of
1292 * *disabled* algorithms based on the current session.
1300 /* Connection binding to prevent renegotiation attacks */
1301 unsigned char previous_client_finished
[EVP_MAX_MD_SIZE
];
1302 unsigned char previous_client_finished_len
;
1303 unsigned char previous_server_finished
[EVP_MAX_MD_SIZE
];
1304 unsigned char previous_server_finished_len
;
1305 int send_connection_binding
; /* TODOEKR */
1307 # ifndef OPENSSL_NO_NEXTPROTONEG
1309 * Set if we saw the Next Protocol Negotiation extension from our peer.
1311 int next_proto_neg_seen
;
1315 * ALPN information (we are in the process of transitioning from NPN to
1320 * In a server these point to the selected ALPN protocol after the
1321 * ClientHello has been processed. In a client these contain the protocol
1322 * that the server selected once the ServerHello has been processed.
1324 unsigned char *alpn_selected
;
1325 unsigned alpn_selected_len
;
1327 # ifndef OPENSSL_NO_EC
1329 * This is set to true if we believe that this is a version of Safari
1330 * running on OS X 10.6 or newer. We wish to know this because Safari on
1331 * 10.8 .. 10.8.3 has broken ECDHE-ECDSA support.
1333 char is_probably_safari
;
1334 # endif /* !OPENSSL_NO_EC */
1336 /* For clients: peer temporary key */
1337 # if !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_DH)
1344 /* DTLS structures */
1346 # ifndef OPENSSL_NO_SCTP
1347 # define DTLS1_SCTP_AUTH_LABEL "EXPORTER_DTLS_OVER_SCTP"
1350 /* Max MTU overhead we know about so far is 40 for IPv6 + 8 for UDP */
1351 # define DTLS1_MAX_MTU_OVERHEAD 48
1354 * Flag used in message reuse to indicate the buffer contains the record
1355 * header as well as the the handshake message header.
1357 # define DTLS1_SKIP_RECORD_HEADER 2
1359 struct dtls1_retransmit_state
{
1360 EVP_CIPHER_CTX
*enc_write_ctx
; /* cryptographic state */
1361 EVP_MD_CTX
*write_hash
; /* used for mac generation */
1362 COMP_CTX
*compress
; /* compression */
1363 SSL_SESSION
*session
;
1364 unsigned short epoch
;
1367 struct hm_header_st
{
1369 unsigned long msg_len
;
1371 unsigned long frag_off
;
1372 unsigned long frag_len
;
1373 unsigned int is_ccs
;
1374 struct dtls1_retransmit_state saved_retransmit_state
;
1377 struct dtls1_timeout_st
{
1378 /* Number of read timeouts so far */
1379 unsigned int read_timeouts
;
1380 /* Number of write timeouts so far */
1381 unsigned int write_timeouts
;
1382 /* Number of alerts received so far */
1383 unsigned int num_alerts
;
1386 typedef struct hm_fragment_st
{
1387 struct hm_header_st msg_header
;
1388 unsigned char *fragment
;
1389 unsigned char *reassembly
;
1392 typedef struct pqueue_st pqueue
;
1393 typedef struct pitem_st pitem
;
1396 unsigned char priority
[8]; /* 64-bit value in big-endian encoding */
1401 typedef struct pitem_st
*piterator
;
1403 pitem
*pitem_new(unsigned char *prio64be
, void *data
);
1404 void pitem_free(pitem
*item
);
1405 pqueue
* pqueue_new(void);
1406 void pqueue_free(pqueue
*pq
);
1407 pitem
*pqueue_insert(pqueue
*pq
, pitem
*item
);
1408 pitem
*pqueue_peek(pqueue
*pq
);
1409 pitem
*pqueue_pop(pqueue
*pq
);
1410 pitem
*pqueue_find(pqueue
*pq
, unsigned char *prio64be
);
1411 pitem
*pqueue_iterator(pqueue
*pq
);
1412 pitem
*pqueue_next(piterator
*iter
);
1413 void pqueue_print(pqueue
*pq
);
1414 int pqueue_size(pqueue
*pq
);
1416 typedef struct dtls1_state_st
{
1417 unsigned char cookie
[DTLS1_COOKIE_LENGTH
];
1418 unsigned int cookie_len
;
1419 unsigned int cookie_verified
;
1421 /* handshake message numbers */
1422 unsigned short handshake_write_seq
;
1423 unsigned short next_handshake_write_seq
;
1424 unsigned short handshake_read_seq
;
1426 /* Buffered handshake messages */
1427 pqueue
*buffered_messages
;
1428 /* Buffered (sent) handshake records */
1429 pqueue
*sent_messages
;
1431 unsigned int link_mtu
; /* max on-the-wire DTLS packet size */
1432 unsigned int mtu
; /* max DTLS packet size */
1433 struct hm_header_st w_msg_hdr
;
1434 struct hm_header_st r_msg_hdr
;
1435 struct dtls1_timeout_st timeout
;
1437 * Indicates when the last handshake msg or heartbeat sent will timeout
1439 struct timeval next_timeout
;
1440 /* Timeout duration */
1441 unsigned short timeout_duration
;
1443 unsigned int retransmitting
;
1444 # ifndef OPENSSL_NO_SCTP
1445 int shutdown_received
;
1451 # ifndef OPENSSL_NO_EC
1453 * From ECC-TLS draft, used in encoding the curve type in ECParameters
1455 # define EXPLICIT_PRIME_CURVE_TYPE 1
1456 # define EXPLICIT_CHAR2_CURVE_TYPE 2
1457 # define NAMED_CURVE_TYPE 3
1458 # endif /* OPENSSL_NO_EC */
1460 typedef struct cert_pkey_st
{
1462 EVP_PKEY
*privatekey
;
1463 /* Chain for this certificate */
1464 STACK_OF(X509
) *chain
;
1467 * serverinfo data for this certificate. The data is in TLS Extension
1468 * wire format, specifically it's a series of records like:
1469 * uint16_t extension_type; // (RFC 5246, 7.4.1.4, Extension)
1471 * uint8_t data[length];
1473 unsigned char *serverinfo
;
1474 size_t serverinfo_length
;
1476 /* Retrieve Suite B flags */
1477 # define tls1_suiteb(s) (s->cert->cert_flags & SSL_CERT_FLAG_SUITEB_128_LOS)
1478 /* Uses to check strict mode: suite B modes are always strict */
1479 # define SSL_CERT_FLAGS_CHECK_TLS_STRICT \
1480 (SSL_CERT_FLAG_SUITEB_128_LOS|SSL_CERT_FLAG_TLS_STRICT)
1483 unsigned short ext_type
;
1485 * Per-connection flags relating to this extension type: not used if
1486 * part of an SSL_CTX structure.
1489 custom_ext_add_cb add_cb
;
1490 custom_ext_free_cb free_cb
;
1492 custom_ext_parse_cb parse_cb
;
1494 } custom_ext_method
;
1496 /* ext_flags values */
1499 * Indicates an extension has been received. Used to check for unsolicited or
1500 * duplicate extensions.
1502 # define SSL_EXT_FLAG_RECEIVED 0x1
1504 * Indicates an extension has been sent: used to enable sending of
1505 * corresponding ServerHello extension.
1507 # define SSL_EXT_FLAG_SENT 0x2
1510 custom_ext_method
*meths
;
1512 } custom_ext_methods
;
1514 typedef struct cert_st
{
1515 /* Current active set */
1517 * ALWAYS points to an element of the pkeys array
1518 * Probably it would make more sense to store
1519 * an index, not a pointer.
1522 # ifndef OPENSSL_NO_DH
1524 DH
*(*dh_tmp_cb
) (SSL
*ssl
, int is_export
, int keysize
);
1527 /* Flags related to certificates */
1528 uint32_t cert_flags
;
1529 CERT_PKEY pkeys
[SSL_PKEY_NUM
];
1531 * Certificate types (received or sent) in certificate request message.
1532 * On receive this is only set if number of certificate types exceeds
1535 unsigned char *ctypes
;
1538 * suppported signature algorithms. When set on a client this is sent in
1539 * the client hello as the supported signature algorithms extension. For
1540 * servers it represents the signature algorithms we are willing to use.
1542 unsigned char *conf_sigalgs
;
1543 /* Size of above array */
1544 size_t conf_sigalgslen
;
1546 * Client authentication signature algorithms, if not set then uses
1547 * conf_sigalgs. On servers these will be the signature algorithms sent
1548 * to the client in a cerificate request for TLS 1.2. On a client this
1549 * represents the signature algortithms we are willing to use for client
1552 unsigned char *client_sigalgs
;
1553 /* Size of above array */
1554 size_t client_sigalgslen
;
1556 * Signature algorithms shared by client and server: cached because these
1557 * are used most often.
1559 TLS_SIGALGS
*shared_sigalgs
;
1560 size_t shared_sigalgslen
;
1562 * Certificate setup callback: if set is called whenever a certificate
1563 * may be required (client or server). the callback can then examine any
1564 * appropriate parameters and setup any certificates required. This
1565 * allows advanced applications to select certificates on the fly: for
1566 * example based on supported signature algorithms or curves.
1568 int (*cert_cb
) (SSL
*ssl
, void *arg
);
1571 * Optional X509_STORE for chain building or certificate validation If
1572 * NULL the parent SSL_CTX store is used instead.
1574 X509_STORE
*chain_store
;
1575 X509_STORE
*verify_store
;
1576 /* Custom extension methods for server and client */
1577 custom_ext_methods cli_ext
;
1578 custom_ext_methods srv_ext
;
1579 /* Security callback */
1580 int (*sec_cb
) (SSL
*s
, SSL_CTX
*ctx
, int op
, int bits
, int nid
,
1581 void *other
, void *ex
);
1582 /* Security level */
1585 #ifndef OPENSSL_NO_PSK
1586 /* If not NULL psk identity hint to use for servers */
1587 char *psk_identity_hint
;
1589 int references
; /* >1 only if SSL_copy_session_id is used */
1592 /* Structure containing decoded values of signature algorithms extension */
1593 struct tls_sigalgs_st
{
1594 /* NID of hash algorithm */
1596 /* NID of signature algorithm */
1598 /* Combined hash and signature NID */
1599 int signandhash_nid
;
1600 /* Raw values used in extension */
1601 unsigned char rsign
;
1602 unsigned char rhash
;
1613 * #define ABORT_DEBUG
1616 * #define PKT_DEBUG 1
1622 * #define DES_OFB_DEBUG
1631 * #define IDEA_DEBUG
1634 # define FP_ICC (int (*)(const void *,const void *))
1637 * This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff It is a bit
1638 * of a mess of functions, but hell, think of it as an opaque structure :-)
1640 typedef struct ssl3_enc_method
{
1641 int (*enc
) (SSL
*, int);
1642 int (*mac
) (SSL
*, unsigned char *, int);
1643 int (*setup_key_block
) (SSL
*);
1644 int (*generate_master_secret
) (SSL
*, unsigned char *, unsigned char *,
1646 int (*change_cipher_state
) (SSL
*, int);
1647 int (*final_finish_mac
) (SSL
*, const char *, int, unsigned char *);
1648 int finish_mac_length
;
1649 const char *client_finished_label
;
1650 int client_finished_label_len
;
1651 const char *server_finished_label
;
1652 int server_finished_label_len
;
1653 int (*alert_value
) (int);
1654 int (*export_keying_material
) (SSL
*, unsigned char *, size_t,
1655 const char *, size_t,
1656 const unsigned char *, size_t,
1658 /* Various flags indicating protocol version requirements */
1660 /* Handshake header length */
1662 /* Set the handshake header */
1663 int (*set_handshake_header
) (SSL
*s
, int type
, unsigned long len
);
1664 /* Write out handshake message */
1665 int (*do_write
) (SSL
*s
);
1668 # define SSL_HM_HEADER_LENGTH(s) s->method->ssl3_enc->hhlen
1669 # define ssl_handshake_start(s) \
1670 (((unsigned char *)s->init_buf->data) + s->method->ssl3_enc->hhlen)
1671 # define ssl_set_handshake_header(s, htype, len) \
1672 s->method->ssl3_enc->set_handshake_header(s, htype, len)
1673 # define ssl_do_write(s) s->method->ssl3_enc->do_write(s)
1675 /* Values for enc_flags */
1677 /* Uses explicit IV for CBC mode */
1678 # define SSL_ENC_FLAG_EXPLICIT_IV 0x1
1679 /* Uses signature algorithms extension */
1680 # define SSL_ENC_FLAG_SIGALGS 0x2
1681 /* Uses SHA256 default PRF */
1682 # define SSL_ENC_FLAG_SHA256_PRF 0x4
1684 # define SSL_ENC_FLAG_DTLS 0x8
1686 * Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2: may
1687 * apply to others in future.
1689 # define SSL_ENC_FLAG_TLS1_2_CIPHERS 0x10
1691 # ifndef OPENSSL_NO_COMP
1692 /* Used for holding the relevant compression methods loaded into SSL_CTX */
1693 typedef struct ssl3_comp_st
{
1694 int comp_id
; /* The identifier byte for this compression
1696 char *name
; /* Text name used for the compression type */
1697 COMP_METHOD
*method
; /* The method :-) */
1701 extern SSL3_ENC_METHOD ssl3_undef_enc_method
;
1702 OPENSSL_EXTERN
const SSL_CIPHER ssl3_ciphers
[];
1704 SSL_METHOD
*ssl_bad_method(int ver
);
1706 extern const SSL3_ENC_METHOD TLSv1_enc_data
;
1707 extern const SSL3_ENC_METHOD TLSv1_1_enc_data
;
1708 extern const SSL3_ENC_METHOD TLSv1_2_enc_data
;
1709 extern const SSL3_ENC_METHOD SSLv3_enc_data
;
1710 extern const SSL3_ENC_METHOD DTLSv1_enc_data
;
1711 extern const SSL3_ENC_METHOD DTLSv1_2_enc_data
;
1714 * Flags for SSL methods
1716 #define SSL_METHOD_NO_FIPS (1U<<0)
1717 #define SSL_METHOD_NO_SUITEB (1U<<1)
1719 # define IMPLEMENT_tls_meth_func(version, flags, mask, func_name, s_accept, \
1720 s_connect, s_get_meth, enc_data) \
1721 const SSL_METHOD *func_name(void) \
1723 static const SSL_METHOD func_name##_data= { \
1737 ssl3_renegotiate_check, \
1740 ssl3_dispatch_alert, \
1743 ssl3_get_cipher_by_char, \
1744 ssl3_put_cipher_by_char, \
1749 tls1_default_timeout, \
1751 ssl_undefined_void_function, \
1752 ssl3_callback_ctrl, \
1753 ssl3_ctx_callback_ctrl, \
1755 return &func_name##_data; \
1758 # define IMPLEMENT_ssl3_meth_func(func_name, s_accept, s_connect, s_get_meth) \
1759 const SSL_METHOD *func_name(void) \
1761 static const SSL_METHOD func_name##_data= { \
1763 SSL_METHOD_NO_FIPS | SSL_METHOD_NO_SUITEB, \
1775 ssl3_renegotiate_check, \
1778 ssl3_dispatch_alert, \
1781 ssl3_get_cipher_by_char, \
1782 ssl3_put_cipher_by_char, \
1787 ssl3_default_timeout, \
1789 ssl_undefined_void_function, \
1790 ssl3_callback_ctrl, \
1791 ssl3_ctx_callback_ctrl, \
1793 return &func_name##_data; \
1796 # define IMPLEMENT_dtls1_meth_func(version, flags, mask, func_name, s_accept, \
1797 s_connect, s_get_meth, enc_data) \
1798 const SSL_METHOD *func_name(void) \
1800 static const SSL_METHOD func_name##_data= { \
1814 ssl3_renegotiate_check, \
1816 dtls1_write_app_data_bytes, \
1817 dtls1_dispatch_alert, \
1820 ssl3_get_cipher_by_char, \
1821 ssl3_put_cipher_by_char, \
1826 dtls1_default_timeout, \
1828 ssl_undefined_void_function, \
1829 ssl3_callback_ctrl, \
1830 ssl3_ctx_callback_ctrl, \
1832 return &func_name##_data; \
1835 struct openssl_ssl_test_functions
{
1836 int (*p_ssl_init_wbio_buffer
) (SSL
*s
, int push
);
1837 int (*p_ssl3_setup_buffers
) (SSL
*s
);
1838 int (*p_tls1_process_heartbeat
) (SSL
*s
,
1839 unsigned char *p
, unsigned int length
);
1840 int (*p_dtls1_process_heartbeat
) (SSL
*s
,
1841 unsigned char *p
, unsigned int length
);
1844 # ifndef OPENSSL_UNIT_TEST
1846 void ssl_clear_cipher_ctx(SSL
*s
);
1847 int ssl_clear_bad_session(SSL
*s
);
1848 __owur CERT
*ssl_cert_new(void);
1849 __owur CERT
*ssl_cert_dup(CERT
*cert
);
1850 void ssl_cert_clear_certs(CERT
*c
);
1851 void ssl_cert_free(CERT
*c
);
1852 __owur
int ssl_get_new_session(SSL
*s
, int session
);
1853 __owur
int ssl_get_prev_session(SSL
*s
, const PACKET
*ext
,
1854 const PACKET
*session_id
);
1855 __owur SSL_SESSION
*ssl_session_dup(SSL_SESSION
*src
, int ticket
);
1856 __owur
int ssl_cipher_id_cmp(const SSL_CIPHER
*a
, const SSL_CIPHER
*b
);
1857 DECLARE_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER
, SSL_CIPHER
, ssl_cipher_id
);
1858 __owur
int ssl_cipher_ptr_id_cmp(const SSL_CIPHER
*const *ap
,
1859 const SSL_CIPHER
*const *bp
);
1860 __owur
STACK_OF(SSL_CIPHER
) *ssl_create_cipher_list(const SSL_METHOD
*meth
,
1861 STACK_OF(SSL_CIPHER
) **pref
,
1862 STACK_OF(SSL_CIPHER
) **sorted
,
1863 const char *rule_str
, CERT
*c
);
1864 void ssl_update_cache(SSL
*s
, int mode
);
1865 __owur
int ssl_cipher_get_evp(const SSL_SESSION
*s
, const EVP_CIPHER
**enc
,
1866 const EVP_MD
**md
, int *mac_pkey_type
,
1867 int *mac_secret_size
, SSL_COMP
**comp
, int use_etm
);
1868 __owur
int ssl_cipher_get_cert_index(const SSL_CIPHER
*c
);
1869 __owur
const SSL_CIPHER
*ssl_get_cipher_by_char(SSL
*ssl
, const unsigned char *ptr
);
1870 __owur
int ssl_cert_set0_chain(SSL
*s
, SSL_CTX
*ctx
, STACK_OF(X509
) *chain
);
1871 __owur
int ssl_cert_set1_chain(SSL
*s
, SSL_CTX
*ctx
, STACK_OF(X509
) *chain
);
1872 __owur
int ssl_cert_add0_chain_cert(SSL
*s
, SSL_CTX
*ctx
, X509
*x
);
1873 __owur
int ssl_cert_add1_chain_cert(SSL
*s
, SSL_CTX
*ctx
, X509
*x
);
1874 __owur
int ssl_cert_select_current(CERT
*c
, X509
*x
);
1875 __owur
int ssl_cert_set_current(CERT
*c
, long arg
);
1876 __owur X509
*ssl_cert_get0_next_certificate(CERT
*c
, int first
);
1877 void ssl_cert_set_cert_cb(CERT
*c
, int (*cb
) (SSL
*ssl
, void *arg
),
1880 __owur
int ssl_verify_cert_chain(SSL
*s
, STACK_OF(X509
) *sk
);
1881 __owur
int ssl_add_cert_chain(SSL
*s
, CERT_PKEY
*cpk
, unsigned long *l
);
1882 __owur
int ssl_build_cert_chain(SSL
*s
, SSL_CTX
*ctx
, int flags
);
1883 __owur
int ssl_cert_set_cert_store(CERT
*c
, X509_STORE
*store
, int chain
, int ref
);
1885 __owur
int ssl_security(SSL
*s
, int op
, int bits
, int nid
, void *other
);
1886 __owur
int ssl_ctx_security(SSL_CTX
*ctx
, int op
, int bits
, int nid
, void *other
);
1888 int ssl_undefined_function(SSL
*s
);
1889 __owur
int ssl_undefined_void_function(void);
1890 __owur
int ssl_undefined_const_function(const SSL
*s
);
1891 __owur CERT_PKEY
*ssl_get_server_send_pkey(SSL
*s
);
1892 __owur
int ssl_get_server_cert_serverinfo(SSL
*s
, const unsigned char **serverinfo
,
1893 size_t *serverinfo_length
);
1894 __owur EVP_PKEY
*ssl_get_sign_pkey(SSL
*s
, const SSL_CIPHER
*c
, const EVP_MD
**pmd
);
1895 __owur
int ssl_cert_type(X509
*x
, EVP_PKEY
*pkey
);
1896 void ssl_set_masks(SSL
*s
, const SSL_CIPHER
*cipher
);
1897 __owur
STACK_OF(SSL_CIPHER
) *ssl_get_ciphers_by_id(SSL
*s
);
1898 __owur
int ssl_verify_alarm_type(long type
);
1899 void ssl_load_ciphers(void);
1900 __owur
int ssl_fill_hello_random(SSL
*s
, int server
, unsigned char *field
, int len
);
1901 __owur
int ssl_generate_master_secret(SSL
*s
, unsigned char *pms
, size_t pmslen
,
1903 __owur EVP_PKEY
*ssl_generate_pkey(EVP_PKEY
*pm
, int nid
);
1904 __owur
int ssl_derive(SSL
*s
, EVP_PKEY
*privkey
, EVP_PKEY
*pubkey
);
1905 __owur EVP_PKEY
*ssl_dh_to_pkey(DH
*dh
);
1907 __owur
const SSL_CIPHER
*ssl3_get_cipher_by_char(const unsigned char *p
);
1908 __owur
int ssl3_put_cipher_by_char(const SSL_CIPHER
*c
, unsigned char *p
);
1909 void ssl3_init_finished_mac(SSL
*s
);
1910 __owur
int ssl3_setup_key_block(SSL
*s
);
1911 __owur
int ssl3_change_cipher_state(SSL
*s
, int which
);
1912 void ssl3_cleanup_key_block(SSL
*s
);
1913 __owur
int ssl3_do_write(SSL
*s
, int type
);
1914 int ssl3_send_alert(SSL
*s
, int level
, int desc
);
1915 __owur
int ssl3_generate_master_secret(SSL
*s
, unsigned char *out
,
1916 unsigned char *p
, int len
);
1917 __owur
int ssl3_get_req_cert_type(SSL
*s
, unsigned char *p
);
1918 __owur
int ssl3_num_ciphers(void);
1919 __owur
const SSL_CIPHER
*ssl3_get_cipher(unsigned int u
);
1920 int ssl3_renegotiate(SSL
*ssl
);
1921 int ssl3_renegotiate_check(SSL
*ssl
);
1922 __owur
int ssl3_dispatch_alert(SSL
*s
);
1923 __owur
int ssl3_final_finish_mac(SSL
*s
, const char *sender
, int slen
,
1925 void ssl3_finish_mac(SSL
*s
, const unsigned char *buf
, int len
);
1926 void ssl3_free_digest_list(SSL
*s
);
1927 __owur
unsigned long ssl3_output_cert_chain(SSL
*s
, CERT_PKEY
*cpk
);
1928 __owur
const SSL_CIPHER
*ssl3_choose_cipher(SSL
*ssl
,
1929 STACK_OF(SSL_CIPHER
) *clnt
,
1930 STACK_OF(SSL_CIPHER
) *srvr
);
1931 __owur
int ssl3_digest_cached_records(SSL
*s
, int keep
);
1932 __owur
int ssl3_new(SSL
*s
);
1933 void ssl3_free(SSL
*s
);
1934 __owur
int ssl3_read(SSL
*s
, void *buf
, int len
);
1935 __owur
int ssl3_peek(SSL
*s
, void *buf
, int len
);
1936 __owur
int ssl3_write(SSL
*s
, const void *buf
, int len
);
1937 __owur
int ssl3_shutdown(SSL
*s
);
1938 void ssl3_clear(SSL
*s
);
1939 __owur
long ssl3_ctrl(SSL
*s
, int cmd
, long larg
, void *parg
);
1940 __owur
long ssl3_ctx_ctrl(SSL_CTX
*s
, int cmd
, long larg
, void *parg
);
1941 __owur
long ssl3_callback_ctrl(SSL
*s
, int cmd
, void (*fp
) (void));
1942 __owur
long ssl3_ctx_callback_ctrl(SSL_CTX
*s
, int cmd
, void (*fp
) (void));
1944 __owur
int ssl3_do_change_cipher_spec(SSL
*ssl
);
1945 __owur
long ssl3_default_timeout(void);
1947 __owur
int ssl3_set_handshake_header(SSL
*s
, int htype
, unsigned long len
);
1948 __owur
int ssl3_handshake_write(SSL
*s
);
1950 __owur
int ssl_allow_compression(SSL
*s
);
1952 __owur
int ssl_set_client_hello_version(SSL
*s
);
1953 __owur
int ssl_check_version_downgrade(SSL
*s
);
1954 __owur
int ssl_set_version_bound(int method_version
, int version
, int *bound
);
1955 __owur
int ssl_choose_server_version(SSL
*s
);
1956 __owur
int ssl_choose_client_version(SSL
*s
, int version
);
1958 __owur
long tls1_default_timeout(void);
1959 __owur
int dtls1_do_write(SSL
*s
, int type
);
1960 void dtls1_set_message_header(SSL
*s
,
1961 unsigned char *p
, unsigned char mt
,
1963 unsigned long frag_off
,
1964 unsigned long frag_len
);
1966 __owur
int dtls1_write_app_data_bytes(SSL
*s
, int type
, const void *buf
, int len
);
1968 __owur
int dtls1_read_failed(SSL
*s
, int code
);
1969 __owur
int dtls1_buffer_message(SSL
*s
, int ccs
);
1970 __owur
int dtls1_retransmit_message(SSL
*s
, unsigned short seq
,
1971 unsigned long frag_off
, int *found
);
1972 __owur
int dtls1_get_queue_priority(unsigned short seq
, int is_ccs
);
1973 int dtls1_retransmit_buffered_messages(SSL
*s
);
1974 void dtls1_clear_record_buffer(SSL
*s
);
1975 void dtls1_get_message_header(unsigned char *data
,
1976 struct hm_header_st
*msg_hdr
);
1977 __owur
long dtls1_default_timeout(void);
1978 __owur
struct timeval
*dtls1_get_timeout(SSL
*s
, struct timeval
*timeleft
);
1979 __owur
int dtls1_check_timeout_num(SSL
*s
);
1980 __owur
int dtls1_handle_timeout(SSL
*s
);
1981 __owur
const SSL_CIPHER
*dtls1_get_cipher(unsigned int u
);
1982 void dtls1_start_timer(SSL
*s
);
1983 void dtls1_stop_timer(SSL
*s
);
1984 __owur
int dtls1_is_timer_expired(SSL
*s
);
1985 void dtls1_double_timeout(SSL
*s
);
1986 __owur
unsigned int dtls_raw_hello_verify_request(unsigned char *buf
,
1987 unsigned char *cookie
,
1988 unsigned char cookie_len
);
1989 __owur
int dtls1_send_newsession_ticket(SSL
*s
);
1990 __owur
unsigned int dtls1_min_mtu(SSL
*s
);
1991 void dtls1_hm_fragment_free(hm_fragment
*frag
);
1992 __owur
int dtls1_query_mtu(SSL
*s
);
1994 __owur
int tls1_new(SSL
*s
);
1995 void tls1_free(SSL
*s
);
1996 void tls1_clear(SSL
*s
);
1997 long tls1_ctrl(SSL
*s
, int cmd
, long larg
, void *parg
);
1998 long tls1_callback_ctrl(SSL
*s
, int cmd
, void (*fp
) (void));
2000 __owur
int dtls1_new(SSL
*s
);
2001 void dtls1_free(SSL
*s
);
2002 void dtls1_clear(SSL
*s
);
2003 long dtls1_ctrl(SSL
*s
, int cmd
, long larg
, void *parg
);
2004 __owur
int dtls1_shutdown(SSL
*s
);
2006 __owur
int dtls1_dispatch_alert(SSL
*s
);
2008 __owur
int ssl_init_wbio_buffer(SSL
*s
, int push
);
2009 void ssl_free_wbio_buffer(SSL
*s
);
2011 __owur
int tls1_change_cipher_state(SSL
*s
, int which
);
2012 __owur
int tls1_setup_key_block(SSL
*s
);
2013 __owur
int tls1_final_finish_mac(SSL
*s
,
2014 const char *str
, int slen
, unsigned char *p
);
2015 __owur
int tls1_generate_master_secret(SSL
*s
, unsigned char *out
,
2016 unsigned char *p
, int len
);
2017 __owur
int tls1_export_keying_material(SSL
*s
, unsigned char *out
, size_t olen
,
2018 const char *label
, size_t llen
,
2019 const unsigned char *p
, size_t plen
,
2021 __owur
int tls1_alert_code(int code
);
2022 __owur
int ssl3_alert_code(int code
);
2023 __owur
int ssl_ok(SSL
*s
);
2025 # ifndef OPENSSL_NO_EC
2026 __owur
int ssl_check_srvr_ecc_cert_and_alg(X509
*x
, SSL
*s
);
2029 SSL_COMP
*ssl3_comp_find(STACK_OF(SSL_COMP
) *sk
, int n
);
2031 # ifndef OPENSSL_NO_EC
2032 __owur
int tls1_ec_curve_id2nid(int curve_id
);
2033 __owur
int tls1_ec_nid2curve_id(int nid
);
2034 __owur
int tls1_check_curve(SSL
*s
, const unsigned char *p
, size_t len
);
2035 __owur
int tls1_shared_curve(SSL
*s
, int nmatch
);
2036 __owur
int tls1_set_curves(unsigned char **pext
, size_t *pextlen
,
2037 int *curves
, size_t ncurves
);
2038 __owur
int tls1_set_curves_list(unsigned char **pext
, size_t *pextlen
,
2040 __owur
int tls1_check_ec_tmp_key(SSL
*s
, unsigned long id
);
2041 # endif /* OPENSSL_NO_EC */
2043 __owur
int tls1_shared_list(SSL
*s
,
2044 const unsigned char *l1
, size_t l1len
,
2045 const unsigned char *l2
, size_t l2len
, int nmatch
);
2046 __owur
unsigned char *ssl_add_clienthello_tlsext(SSL
*s
, unsigned char *buf
,
2047 unsigned char *limit
, int *al
);
2048 __owur
unsigned char *ssl_add_serverhello_tlsext(SSL
*s
, unsigned char *buf
,
2049 unsigned char *limit
, int *al
);
2050 __owur
int ssl_parse_clienthello_tlsext(SSL
*s
, PACKET
*pkt
);
2051 void ssl_set_default_md(SSL
*s
);
2052 __owur
int tls1_set_server_sigalgs(SSL
*s
);
2053 __owur
int ssl_check_clienthello_tlsext_late(SSL
*s
);
2054 __owur
int ssl_parse_serverhello_tlsext(SSL
*s
, PACKET
*pkt
);
2055 __owur
int ssl_prepare_clienthello_tlsext(SSL
*s
);
2056 __owur
int ssl_prepare_serverhello_tlsext(SSL
*s
);
2058 # ifndef OPENSSL_NO_HEARTBEATS
2059 __owur
int tls1_heartbeat(SSL
*s
);
2060 __owur
int dtls1_heartbeat(SSL
*s
);
2061 __owur
int tls1_process_heartbeat(SSL
*s
, unsigned char *p
, unsigned int length
);
2062 __owur
int dtls1_process_heartbeat(SSL
*s
, unsigned char *p
, unsigned int length
);
2065 __owur
int tls_check_serverhello_tlsext_early(SSL
*s
, const PACKET
*ext
,
2066 const PACKET
*session_id
,
2069 __owur
int tls12_get_sigandhash(unsigned char *p
, const EVP_PKEY
*pk
,
2071 __owur
int tls12_get_sigid(const EVP_PKEY
*pk
);
2072 __owur
const EVP_MD
*tls12_get_hash(unsigned char hash_alg
);
2073 void ssl_set_sig_mask(uint32_t *pmask_a
, SSL
*s
, int op
);
2075 __owur
int tls1_set_sigalgs_list(CERT
*c
, const char *str
, int client
);
2076 __owur
int tls1_set_sigalgs(CERT
*c
, const int *salg
, size_t salglen
, int client
);
2077 int tls1_check_chain(SSL
*s
, X509
*x
, EVP_PKEY
*pk
, STACK_OF(X509
) *chain
,
2079 void tls1_set_cert_validity(SSL
*s
);
2081 # ifndef OPENSSL_NO_DH
2082 __owur DH
*ssl_get_auto_dh(SSL
*s
);
2085 __owur
int ssl_security_cert(SSL
*s
, SSL_CTX
*ctx
, X509
*x
, int vfy
, int is_ee
);
2086 __owur
int ssl_security_cert_chain(SSL
*s
, STACK_OF(X509
) *sk
, X509
*ex
, int vfy
);
2088 __owur EVP_MD_CTX
*ssl_replace_hash(EVP_MD_CTX
**hash
, const EVP_MD
*md
);
2089 void ssl_clear_hash_ctx(EVP_MD_CTX
**hash
);
2090 __owur
int ssl_add_serverhello_renegotiate_ext(SSL
*s
, unsigned char *p
, int *len
,
2092 __owur
int ssl_parse_serverhello_renegotiate_ext(SSL
*s
, PACKET
*pkt
,
2094 __owur
int ssl_add_clienthello_renegotiate_ext(SSL
*s
, unsigned char *p
, int *len
,
2096 __owur
int ssl_parse_clienthello_renegotiate_ext(SSL
*s
, PACKET
*pkt
, int *al
);
2097 __owur
long ssl_get_algorithm2(SSL
*s
);
2098 __owur
size_t tls12_copy_sigalgs(SSL
*s
, unsigned char *out
,
2099 const unsigned char *psig
, size_t psiglen
);
2100 __owur
int tls1_save_sigalgs(SSL
*s
, const unsigned char *data
, int dsize
);
2101 __owur
int tls1_process_sigalgs(SSL
*s
);
2102 __owur
size_t tls12_get_psigalgs(SSL
*s
, const unsigned char **psigs
);
2103 __owur
int tls12_check_peer_sigalg(const EVP_MD
**pmd
, SSL
*s
,
2104 const unsigned char *sig
, EVP_PKEY
*pkey
);
2105 void ssl_set_client_disabled(SSL
*s
);
2106 __owur
int ssl_cipher_disabled(SSL
*s
, const SSL_CIPHER
*c
, int op
);
2108 __owur
int ssl_add_clienthello_use_srtp_ext(SSL
*s
, unsigned char *p
, int *len
,
2110 __owur
int ssl_parse_clienthello_use_srtp_ext(SSL
*s
, PACKET
*pkt
, int *al
);
2111 __owur
int ssl_add_serverhello_use_srtp_ext(SSL
*s
, unsigned char *p
, int *len
,
2113 __owur
int ssl_parse_serverhello_use_srtp_ext(SSL
*s
, PACKET
*pkt
, int *al
);
2115 __owur
int ssl_handshake_hash(SSL
*s
, unsigned char *out
, int outlen
);
2116 __owur
const EVP_MD
*ssl_md(int idx
);
2117 __owur
const EVP_MD
*ssl_handshake_md(SSL
*s
);
2118 __owur
const EVP_MD
*ssl_prf_md(SSL
*s
);
2121 __owur
char ssl3_cbc_record_digest_supported(const EVP_MD_CTX
*ctx
);
2122 __owur
int ssl3_cbc_digest_record(const EVP_MD_CTX
*ctx
,
2123 unsigned char *md_out
,
2124 size_t *md_out_size
,
2125 const unsigned char header
[13],
2126 const unsigned char *data
,
2127 size_t data_plus_mac_size
,
2128 size_t data_plus_mac_plus_padding_size
,
2129 const unsigned char *mac_secret
,
2130 unsigned mac_secret_length
, char is_sslv3
);
2132 void tls_fips_digest_extra(const EVP_CIPHER_CTX
*cipher_ctx
,
2133 EVP_MD_CTX
*mac_ctx
, const unsigned char *data
,
2134 size_t data_len
, size_t orig_len
);
2136 __owur
int srp_generate_server_master_secret(SSL
*s
);
2137 __owur
int srp_generate_client_master_secret(SSL
*s
);
2138 __owur
int srp_verify_server_param(SSL
*s
, int *al
);
2142 void custom_ext_init(custom_ext_methods
*meths
);
2144 __owur
int custom_ext_parse(SSL
*s
, int server
,
2145 unsigned int ext_type
,
2146 const unsigned char *ext_data
, size_t ext_size
, int *al
);
2147 __owur
int custom_ext_add(SSL
*s
, int server
,
2148 unsigned char **pret
, unsigned char *limit
, int *al
);
2150 __owur
int custom_exts_copy(custom_ext_methods
*dst
, const custom_ext_methods
*src
);
2151 void custom_exts_free(custom_ext_methods
*exts
);
2155 # define ssl_init_wbio_buffer SSL_test_functions()->p_ssl_init_wbio_buffer
2156 # define ssl3_setup_buffers SSL_test_functions()->p_ssl3_setup_buffers
2157 # define tls1_process_heartbeat SSL_test_functions()->p_tls1_process_heartbeat
2158 # define dtls1_process_heartbeat SSL_test_functions()->p_dtls1_process_heartbeat