2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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.
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).
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.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
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)"
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
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.]
58 /* ====================================================================
59 * Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved.
61 * Redistribution and use in source and binary forms, with or without
62 * modification, are permitted provided that the following conditions
65 * 1. Redistributions of source code must retain the above copyright
66 * notice, this list of conditions and the following disclaimer.
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
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/)"
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.
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.
87 * 6. Redistributions of any form whatsoever must retain the following
89 * "This product includes software developed by the OpenSSL Project
90 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
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 * ====================================================================
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).
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.
116 /* ====================================================================
117 * Copyright 2005 Nokia. All rights reserved.
119 * The portions of the attached software ("Contribution") is developed by
120 * Nokia Corporation and is licensed pursuant to the OpenSSL open source
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.
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.
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.
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
143 #ifndef HEADER_SSL_LOCL_H
144 #define HEADER_SSL_LOCL_H
152 #include <openssl/buffer.h>
153 #include <openssl/comp.h>
154 #include <openssl/bio.h>
155 #include <openssl/stack.h>
156 #ifndef OPENSSL_NO_RSA
157 #include <openssl/rsa.h>
159 #ifndef OPENSSL_NO_DSA
160 #include <openssl/dsa.h>
162 #include <openssl/err.h>
163 #include <openssl/ssl.h>
164 #include <openssl/symhacks.h>
166 #ifdef OPENSSL_BUILD_SHLIBSSL
167 # undef OPENSSL_EXTERN
168 # define OPENSSL_EXTERN OPENSSL_EXPORT
173 #define c2l(c,l) (l = ((unsigned long)(*((c)++))) , \
174 l|=(((unsigned long)(*((c)++)))<< 8), \
175 l|=(((unsigned long)(*((c)++)))<<16), \
176 l|=(((unsigned long)(*((c)++)))<<24))
178 /* NOTE - c is not incremented as per c2l */
179 #define c2ln(c,l1,l2,n) { \
183 case 8: l2 =((unsigned long)(*(--(c))))<<24; \
184 case 7: l2|=((unsigned long)(*(--(c))))<<16; \
185 case 6: l2|=((unsigned long)(*(--(c))))<< 8; \
186 case 5: l2|=((unsigned long)(*(--(c)))); \
187 case 4: l1 =((unsigned long)(*(--(c))))<<24; \
188 case 3: l1|=((unsigned long)(*(--(c))))<<16; \
189 case 2: l1|=((unsigned long)(*(--(c))))<< 8; \
190 case 1: l1|=((unsigned long)(*(--(c)))); \
194 #define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \
195 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
196 *((c)++)=(unsigned char)(((l)>>16)&0xff), \
197 *((c)++)=(unsigned char)(((l)>>24)&0xff))
199 #define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24, \
200 l|=((unsigned long)(*((c)++)))<<16, \
201 l|=((unsigned long)(*((c)++)))<< 8, \
202 l|=((unsigned long)(*((c)++))))
204 #define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24)&0xff), \
205 *((c)++)=(unsigned char)(((l)>>16)&0xff), \
206 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
207 *((c)++)=(unsigned char)(((l) )&0xff))
209 #define l2n6(l,c) (*((c)++)=(unsigned char)(((l)>>40)&0xff), \
210 *((c)++)=(unsigned char)(((l)>>32)&0xff), \
211 *((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 n2l6(c,l) (l =((BN_ULLONG)(*((c)++)))<<40, \
217 l|=((BN_ULLONG)(*((c)++)))<<32, \
218 l|=((BN_ULLONG)(*((c)++)))<<24, \
219 l|=((BN_ULLONG)(*((c)++)))<<16, \
220 l|=((BN_ULLONG)(*((c)++)))<< 8, \
221 l|=((BN_ULLONG)(*((c)++))))
223 /* NOTE - c is not incremented as per l2c */
224 #define l2cn(l1,l2,c,n) { \
227 case 8: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \
228 case 7: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \
229 case 6: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \
230 case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \
231 case 4: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \
232 case 3: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \
233 case 2: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \
234 case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \
238 #define n2s(c,s) ((s=(((unsigned int)(c[0]))<< 8)| \
239 (((unsigned int)(c[1])) )),c+=2)
240 #define s2n(s,c) ((c[0]=(unsigned char)(((s)>> 8)&0xff), \
241 c[1]=(unsigned char)(((s) )&0xff)),c+=2)
243 #define n2l3(c,l) ((l =(((unsigned long)(c[0]))<<16)| \
244 (((unsigned long)(c[1]))<< 8)| \
245 (((unsigned long)(c[2])) )),c+=3)
247 #define l2n3(l,c) ((c[0]=(unsigned char)(((l)>>16)&0xff), \
248 c[1]=(unsigned char)(((l)>> 8)&0xff), \
249 c[2]=(unsigned char)(((l) )&0xff)),c+=3)
253 #define SSL_DECRYPT 0
254 #define SSL_ENCRYPT 1
256 #define TWO_BYTE_BIT 0x80
257 #define SEC_ESC_BIT 0x40
258 #define TWO_BYTE_MASK 0x7fff
259 #define THREE_BYTE_MASK 0x3fff
261 #define INC32(a) ((a)=((a)+1)&0xffffffffL)
262 #define DEC32(a) ((a)=((a)-1)&0xffffffffL)
263 #define MAX_MAC_SIZE 20 /* up from 16 for SSLv3 */
266 * Define the Bitmasks for SSL_CIPHER.algorithms.
267 * This bits are used packed as dense as possible. If new methods/ciphers
268 * etc will be added, the bits a likely to change, so this information
269 * is for internal library use only, even though SSL_CIPHER.algorithms
270 * can be publicly accessed.
271 * Use the according functions for cipher management instead.
273 * The bit mask handling in the selection and sorting scheme in
274 * ssl_create_cipher_list() has only limited capabilities, reflecting
275 * that the different entities within are mutually exclusive:
276 * ONLY ONE BIT PER MASK CAN BE SET AT A TIME.
279 /* Bits for algorithm_mkey (key exchange algorithm) */
280 #define SSL_kRSA 0x00000001L /* RSA key exchange */
281 #define SSL_kDHr 0x00000002L /* DH cert, RSA CA cert */ /* no such ciphersuites supported! */
282 #define SSL_kDHd 0x00000004L /* DH cert, DSA CA cert */ /* no such ciphersuite supported! */
283 #define SSL_kEDH 0x00000008L /* tmp DH key no DH cert */
284 #define SSL_kKRB5 0x00000010L /* Kerberos5 key exchange */
285 #define SSL_kECDHr 0x00000020L /* ECDH cert, RSA CA cert */
286 #define SSL_kECDHe 0x00000040L /* ECDH cert, ECDSA CA cert */
287 #define SSL_kEECDH 0x00000080L /* ephemeral ECDH */
288 #define SSL_kPSK 0x00000100L /* PSK */
291 /* Bits for algorithm_auth (server authentication) */
292 #define SSL_aRSA 0x00000001L /* RSA auth */
293 #define SSL_aDSS 0x00000002L /* DSS auth */
294 #define SSL_aNULL 0x00000004L /* no auth (i.e. use ADH or AECDH) */
295 #define SSL_aDH 0x00000008L /* Fixed DH auth (kDHd or kDHr) */ /* no such ciphersuites supported! */
296 #define SSL_aECDH 0x00000010L /* Fixed ECDH auth (kECDHe or kECDHr) */
297 #define SSL_aKRB5 0x00000020L /* KRB5 auth */
298 #define SSL_aECDSA 0x00000040L /* ECDSA auth*/
299 #define SSL_aPSK 0x00000080L /* PSK auth */
302 /* Bits for algorithm_enc (symmetric encryption) */
303 #define SSL_DES 0x00000001L
304 #define SSL_3DES 0x00000002L
305 #define SSL_RC4 0x00000004L
306 #define SSL_RC2 0x00000008L
307 #define SSL_IDEA 0x00000010L
308 #define SSL_eNULL 0x00000020L
309 #define SSL_AES128 0x00000040L
310 #define SSL_AES256 0x00000080L
311 #define SSL_CAMELLIA128 0x00000100L
312 #define SSL_CAMELLIA256 0x00000200L
314 #define SSL_AES (SSL_AES128|SSL_AES256)
315 #define SSL_CAMELLIA (SSL_CAMELLIA128|SSL_CAMELLIA256)
318 /* Bits for algorithm_mac (symmetric authentication) */
319 #define SSL_MD5 0x00000001L
320 #define SSL_SHA1 0x00000002L
323 /* Bits for algorithm_ssl (protocol version) */
324 #define SSL_SSLV2 0x00000001L
325 #define SSL_SSLV3 0x00000002L
326 #define SSL_TLSV1 SSL_SSLV3 /* for now */
330 * Export and cipher strength information. For each cipher we have to decide
331 * whether it is exportable or not. This information is likely to change
332 * over time, since the export control rules are no static technical issue.
334 * Independent of the export flag the cipher strength is sorted into classes.
335 * SSL_EXP40 was denoting the 40bit US export limit of past times, which now
336 * is at 56bit (SSL_EXP56). If the exportable cipher class is going to change
337 * again (eg. to 64bit) the use of "SSL_EXP*" becomes blurred even more,
338 * since SSL_EXP64 could be similar to SSL_LOW.
339 * For this reason SSL_MICRO and SSL_MINI macros are included to widen the
340 * namespace of SSL_LOW-SSL_HIGH to lower values. As development of speed
341 * and ciphers goes, another extension to SSL_SUPER and/or SSL_ULTRA would
344 #define SSL_EXP_MASK 0x00000003L
345 #define SSL_STRONG_MASK 0x000000fcL
347 #define SSL_NOT_EXP 0x00000001L
348 #define SSL_EXPORT 0x00000002L
350 #define SSL_STRONG_NONE 0x00000004L
351 #define SSL_EXP40 0x00000008L
352 #define SSL_MICRO (SSL_EXP40)
353 #define SSL_EXP56 0x00000010L
354 #define SSL_MINI (SSL_EXP56)
355 #define SSL_LOW 0x00000020L
356 #define SSL_MEDIUM 0x00000040L
357 #define SSL_HIGH 0x00000080L
359 /* we have used 000000ff - 24 bits left to go */
362 * Macros to check the export status and cipher strength for export ciphers.
363 * Even though the macros for EXPORT and EXPORT40/56 have similar names,
364 * their meaning is different:
365 * *_EXPORT macros check the 'exportable' status.
366 * *_EXPORT40/56 macros are used to check whether a certain cipher strength
368 * Since the SSL_IS_EXPORT* and SSL_EXPORT* macros depend on the correct
369 * algorithm structure element to be passed (algorithms, algo_strength) and no
370 * typechecking can be done as they are all of type unsigned long, their
371 * direct usage is discouraged.
372 * Use the SSL_C_* macros instead.
374 #define SSL_IS_EXPORT(a) ((a)&SSL_EXPORT)
375 #define SSL_IS_EXPORT56(a) ((a)&SSL_EXP56)
376 #define SSL_IS_EXPORT40(a) ((a)&SSL_EXP40)
377 #define SSL_C_IS_EXPORT(c) SSL_IS_EXPORT((c)->algo_strength)
378 #define SSL_C_IS_EXPORT56(c) SSL_IS_EXPORT56((c)->algo_strength)
379 #define SSL_C_IS_EXPORT40(c) SSL_IS_EXPORT40((c)->algo_strength)
381 #define SSL_EXPORT_KEYLENGTH(a,s) (SSL_IS_EXPORT40(s) ? 5 : \
382 (a) == SSL_DES ? 8 : 7)
383 #define SSL_EXPORT_PKEYLENGTH(a) (SSL_IS_EXPORT40(a) ? 512 : 1024)
384 #define SSL_C_EXPORT_KEYLENGTH(c) SSL_EXPORT_KEYLENGTH((c)->algorithm_enc, \
386 #define SSL_C_EXPORT_PKEYLENGTH(c) SSL_EXPORT_PKEYLENGTH((c)->algo_strength)
391 /* Mostly for SSLv3 */
392 #define SSL_PKEY_RSA_ENC 0
393 #define SSL_PKEY_RSA_SIGN 1
394 #define SSL_PKEY_DSA_SIGN 2
395 #define SSL_PKEY_DH_RSA 3
396 #define SSL_PKEY_DH_DSA 4
397 #define SSL_PKEY_ECC 5
398 #define SSL_PKEY_NUM 6
400 /* SSL_kRSA <- RSA_ENC | (RSA_TMP & RSA_SIGN) |
401 * <- (EXPORT & (RSA_ENC | RSA_TMP) & RSA_SIGN)
402 * SSL_kDH <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN)
403 * SSL_kEDH <- RSA_ENC | RSA_SIGN | DSA_SIGN
404 * SSL_aRSA <- RSA_ENC | RSA_SIGN
405 * SSL_aDSS <- DSA_SIGN
409 #define CERT_INVALID 0
410 #define CERT_PUBLIC_KEY 1
411 #define CERT_PRIVATE_KEY 2
414 #ifndef OPENSSL_NO_EC
415 /* From ECC-TLS draft, used in encoding the curve type in
418 #define EXPLICIT_PRIME_CURVE_TYPE 1
419 #define EXPLICIT_CHAR2_CURVE_TYPE 2
420 #define NAMED_CURVE_TYPE 3
421 #endif /* OPENSSL_NO_EC */
423 typedef struct cert_pkey_st
426 EVP_PKEY *privatekey;
429 typedef struct cert_st
431 /* Current active set */
432 CERT_PKEY *key; /* ALWAYS points to an element of the pkeys array
433 * Probably it would make more sense to store
434 * an index, not a pointer. */
436 /* The following masks are for the key and auth
437 * algorithms that are supported by the certs below */
439 unsigned long mask_k;
440 unsigned long mask_a;
441 unsigned long export_mask_k;
442 unsigned long export_mask_a;
443 #ifndef OPENSSL_NO_RSA
445 RSA *(*rsa_tmp_cb)(SSL *ssl,int is_export,int keysize);
447 #ifndef OPENSSL_NO_DH
449 DH *(*dh_tmp_cb)(SSL *ssl,int is_export,int keysize);
451 #ifndef OPENSSL_NO_ECDH
453 /* Callback for generating ephemeral ECDH keys */
454 EC_KEY *(*ecdh_tmp_cb)(SSL *ssl,int is_export,int keysize);
457 CERT_PKEY pkeys[SSL_PKEY_NUM];
459 int references; /* >1 only if SSL_copy_session_id is used */
463 typedef struct sess_cert_st
465 STACK_OF(X509) *cert_chain; /* as received from peer (not for SSL2) */
467 /* The 'peer_...' members are used only by clients. */
470 CERT_PKEY *peer_key; /* points to an element of peer_pkeys (never NULL!) */
471 CERT_PKEY peer_pkeys[SSL_PKEY_NUM];
472 /* Obviously we don't have the private keys of these,
473 * so maybe we shouldn't even use the CERT_PKEY type here. */
475 #ifndef OPENSSL_NO_RSA
476 RSA *peer_rsa_tmp; /* not used for SSL 2 */
478 #ifndef OPENSSL_NO_DH
479 DH *peer_dh_tmp; /* not used for SSL 2 */
481 #ifndef OPENSSL_NO_ECDH
482 EC_KEY *peer_ecdh_tmp;
485 int references; /* actually always 1 at the moment */
489 /*#define MAC_DEBUG */
491 /*#define ERR_DEBUG */
492 /*#define ABORT_DEBUG */
493 /*#define PKT_DEBUG 1 */
494 /*#define DES_DEBUG */
495 /*#define DES_OFB_DEBUG */
496 /*#define SSL_DEBUG */
497 /*#define RSA_DEBUG */
498 /*#define IDEA_DEBUG */
500 #define FP_ICC (int (*)(const void *,const void *))
501 #define ssl_put_cipher_by_char(ssl,ciph,ptr) \
502 ((ssl)->method->put_cipher_by_char((ciph),(ptr)))
503 #define ssl_get_cipher_by_char(ssl,ptr) \
504 ((ssl)->method->get_cipher_by_char(ptr))
506 /* This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff
507 * It is a bit of a mess of functions, but hell, think of it as
508 * an opaque structure :-) */
509 typedef struct ssl3_enc_method
511 int (*enc)(SSL *, int);
512 int (*mac)(SSL *, unsigned char *, int);
513 int (*setup_key_block)(SSL *);
514 int (*generate_master_secret)(SSL *, unsigned char *, unsigned char *, int);
515 int (*change_cipher_state)(SSL *, int);
516 int (*final_finish_mac)(SSL *, EVP_MD_CTX *, EVP_MD_CTX *, const char *, int, unsigned char *);
517 int finish_mac_length;
518 int (*cert_verify_mac)(SSL *, EVP_MD_CTX *, unsigned char *);
519 const char *client_finished_label;
520 int client_finished_label_len;
521 const char *server_finished_label;
522 int server_finished_label_len;
523 int (*alert_value)(int);
526 /* Used for holding the relevant compression methods loaded into SSL_CTX */
527 typedef struct ssl3_comp_st
529 int comp_id; /* The identifier byte for this compression type */
530 char *name; /* Text name used for the compression type */
531 COMP_METHOD *method; /* The method :-) */
534 extern SSL3_ENC_METHOD ssl3_undef_enc_method;
535 OPENSSL_EXTERN SSL_CIPHER ssl2_ciphers[];
536 OPENSSL_EXTERN SSL_CIPHER ssl3_ciphers[];
539 SSL_METHOD *ssl_bad_method(int ver);
541 extern SSL3_ENC_METHOD TLSv1_enc_data;
542 extern SSL3_ENC_METHOD SSLv3_enc_data;
543 extern SSL3_ENC_METHOD DTLSv1_enc_data;
545 #define IMPLEMENT_tls1_meth_func(func_name, s_accept, s_connect, s_get_meth) \
546 const SSL_METHOD *func_name(void) \
548 static const SSL_METHOD func_name##_data= { \
560 ssl3_renegotiate_check, \
564 ssl3_dispatch_alert, \
567 ssl3_get_cipher_by_char, \
568 ssl3_put_cipher_by_char, \
573 tls1_default_timeout, \
575 ssl_undefined_void_function, \
576 ssl3_callback_ctrl, \
577 ssl3_ctx_callback_ctrl, \
579 return &func_name##_data; \
582 #define IMPLEMENT_ssl3_meth_func(func_name, s_accept, s_connect, s_get_meth) \
583 const SSL_METHOD *func_name(void) \
585 static const SSL_METHOD func_name##_data= { \
597 ssl3_renegotiate_check, \
601 ssl3_dispatch_alert, \
604 ssl3_get_cipher_by_char, \
605 ssl3_put_cipher_by_char, \
610 ssl3_default_timeout, \
612 ssl_undefined_void_function, \
613 ssl3_callback_ctrl, \
614 ssl3_ctx_callback_ctrl, \
616 return &func_name##_data; \
619 #define IMPLEMENT_ssl23_meth_func(func_name, s_accept, s_connect, s_get_meth) \
620 const SSL_METHOD *func_name(void) \
622 static const SSL_METHOD func_name##_data= { \
632 ssl_undefined_function, \
633 ssl_undefined_function, \
638 ssl3_dispatch_alert, \
641 ssl23_get_cipher_by_char, \
642 ssl23_put_cipher_by_char, \
643 ssl_undefined_const_function, \
647 ssl23_default_timeout, \
648 &ssl3_undef_enc_method, \
649 ssl_undefined_void_function, \
650 ssl3_callback_ctrl, \
651 ssl3_ctx_callback_ctrl, \
653 return &func_name##_data; \
656 #define IMPLEMENT_ssl2_meth_func(func_name, s_accept, s_connect, s_get_meth) \
657 const SSL_METHOD *func_name(void) \
659 static const SSL_METHOD func_name##_data= { \
661 ssl2_new, /* local */ \
662 ssl2_clear, /* local */ \
663 ssl2_free, /* local */ \
670 ssl_ok, /* NULL - renegotiate */ \
671 ssl_ok, /* NULL - check renegotiate */ \
672 NULL, /* NULL - ssl_get_message */ \
673 NULL, /* NULL - ssl_get_record */ \
674 NULL, /* NULL - ssl_write_bytes */ \
675 NULL, /* NULL - dispatch_alert */ \
676 ssl2_ctrl, /* local */ \
677 ssl2_ctx_ctrl, /* local */ \
678 ssl2_get_cipher_by_char, \
679 ssl2_put_cipher_by_char, \
684 ssl2_default_timeout, \
685 &ssl3_undef_enc_method, \
686 ssl_undefined_void_function, \
687 ssl2_callback_ctrl, /* local */ \
688 ssl2_ctx_callback_ctrl, /* local */ \
690 return &func_name##_data; \
693 #define IMPLEMENT_dtls1_meth_func(func_name, s_accept, s_connect, s_get_meth) \
694 const SSL_METHOD *func_name(void) \
696 static const SSL_METHOD func_name##_data= { \
708 ssl3_renegotiate_check, \
711 dtls1_write_app_data_bytes, \
712 dtls1_dispatch_alert, \
715 ssl3_get_cipher_by_char, \
716 ssl3_put_cipher_by_char, \
721 dtls1_default_timeout, \
723 ssl_undefined_void_function, \
724 ssl3_callback_ctrl, \
725 ssl3_ctx_callback_ctrl, \
727 return &func_name##_data; \
730 void ssl_clear_cipher_ctx(SSL *s);
731 int ssl_clear_bad_session(SSL *s);
732 CERT *ssl_cert_new(void);
733 CERT *ssl_cert_dup(CERT *cert);
734 int ssl_cert_inst(CERT **o);
735 void ssl_cert_free(CERT *c);
736 SESS_CERT *ssl_sess_cert_new(void);
737 void ssl_sess_cert_free(SESS_CERT *sc);
738 int ssl_set_peer_cert_type(SESS_CERT *c, int type);
739 int ssl_get_new_session(SSL *s, int session);
740 int ssl_get_prev_session(SSL *s, unsigned char *session,int len);
741 int ssl_cipher_id_cmp(const SSL_CIPHER *a,const SSL_CIPHER *b);
742 int ssl_cipher_ptr_id_cmp(const SSL_CIPHER * const *ap,
743 const SSL_CIPHER * const *bp);
744 STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num,
745 STACK_OF(SSL_CIPHER) **skp);
746 int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p,
747 int (*put_cb)(const SSL_CIPHER *, unsigned char *));
748 STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *meth,
749 STACK_OF(SSL_CIPHER) **pref,
750 STACK_OF(SSL_CIPHER) **sorted,
751 const char *rule_str);
752 void ssl_update_cache(SSL *s, int mode);
753 int ssl_cipher_get_evp(const SSL_SESSION *s,const EVP_CIPHER **enc,
754 const EVP_MD **md,SSL_COMP **comp);
755 int ssl_verify_cert_chain(SSL *s,STACK_OF(X509) *sk);
756 int ssl_undefined_function(SSL *s);
757 int ssl_undefined_void_function(void);
758 int ssl_undefined_const_function(const SSL *s);
759 X509 *ssl_get_server_send_cert(SSL *);
760 EVP_PKEY *ssl_get_sign_pkey(SSL *,SSL_CIPHER *);
761 int ssl_cert_type(X509 *x,EVP_PKEY *pkey);
762 void ssl_set_cert_masks(CERT *c, SSL_CIPHER *cipher);
763 STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s);
764 int ssl_verify_alarm_type(long type);
765 void ssl_load_ciphers(void);
767 int ssl2_enc_init(SSL *s, int client);
768 int ssl2_generate_key_material(SSL *s);
769 void ssl2_enc(SSL *s,int send_data);
770 void ssl2_mac(SSL *s,unsigned char *mac,int send_data);
771 SSL_CIPHER *ssl2_get_cipher_by_char(const unsigned char *p);
772 int ssl2_put_cipher_by_char(const SSL_CIPHER *c,unsigned char *p);
773 int ssl2_part_read(SSL *s, unsigned long f, int i);
774 int ssl2_do_write(SSL *s);
775 int ssl2_set_certificate(SSL *s, int type, int len, const unsigned char *data);
776 void ssl2_return_error(SSL *s,int reason);
777 void ssl2_write_error(SSL *s);
778 int ssl2_num_ciphers(void);
779 SSL_CIPHER *ssl2_get_cipher(unsigned int u);
780 int ssl2_new(SSL *s);
781 void ssl2_free(SSL *s);
782 int ssl2_accept(SSL *s);
783 int ssl2_connect(SSL *s);
784 int ssl2_read(SSL *s, void *buf, int len);
785 int ssl2_peek(SSL *s, void *buf, int len);
786 int ssl2_write(SSL *s, const void *buf, int len);
787 int ssl2_shutdown(SSL *s);
788 void ssl2_clear(SSL *s);
789 long ssl2_ctrl(SSL *s,int cmd, long larg, void *parg);
790 long ssl2_ctx_ctrl(SSL_CTX *s,int cmd, long larg, void *parg);
791 long ssl2_callback_ctrl(SSL *s,int cmd, void (*fp)(void));
792 long ssl2_ctx_callback_ctrl(SSL_CTX *s,int cmd, void (*fp)(void));
793 int ssl2_pending(const SSL *s);
794 long ssl2_default_timeout(void );
796 SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p);
797 int ssl3_put_cipher_by_char(const SSL_CIPHER *c,unsigned char *p);
798 void ssl3_init_finished_mac(SSL *s);
799 int ssl3_send_server_certificate(SSL *s);
800 int ssl3_get_finished(SSL *s,int state_a,int state_b);
801 int ssl3_setup_key_block(SSL *s);
802 int ssl3_send_change_cipher_spec(SSL *s,int state_a,int state_b);
803 int ssl3_change_cipher_state(SSL *s,int which);
804 void ssl3_cleanup_key_block(SSL *s);
805 int ssl3_do_write(SSL *s,int type);
806 void ssl3_send_alert(SSL *s,int level, int desc);
807 int ssl3_generate_master_secret(SSL *s, unsigned char *out,
808 unsigned char *p, int len);
809 int ssl3_get_req_cert_type(SSL *s,unsigned char *p);
810 long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok);
811 int ssl3_send_finished(SSL *s, int a, int b, const char *sender,int slen);
812 int ssl3_num_ciphers(void);
813 SSL_CIPHER *ssl3_get_cipher(unsigned int u);
814 int ssl3_renegotiate(SSL *ssl);
815 int ssl3_renegotiate_check(SSL *ssl);
816 int ssl3_dispatch_alert(SSL *s);
817 int ssl3_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek);
818 int ssl3_write_bytes(SSL *s, int type, const void *buf, int len);
819 int ssl3_final_finish_mac(SSL *s, EVP_MD_CTX *ctx1, EVP_MD_CTX *ctx2,
820 const char *sender, int slen,unsigned char *p);
821 int ssl3_cert_verify_mac(SSL *s, EVP_MD_CTX *in, unsigned char *p);
822 void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len);
823 int ssl3_enc(SSL *s, int send_data);
824 int ssl3_mac(SSL *ssl, unsigned char *md, int send_data);
825 unsigned long ssl3_output_cert_chain(SSL *s, X509 *x);
826 SSL_CIPHER *ssl3_choose_cipher(SSL *ssl,STACK_OF(SSL_CIPHER) *clnt,
827 STACK_OF(SSL_CIPHER) *srvr);
828 int ssl3_setup_buffers(SSL *s);
829 int ssl3_new(SSL *s);
830 void ssl3_free(SSL *s);
831 int ssl3_accept(SSL *s);
832 int ssl3_connect(SSL *s);
833 int ssl3_read(SSL *s, void *buf, int len);
834 int ssl3_peek(SSL *s, void *buf, int len);
835 int ssl3_write(SSL *s, const void *buf, int len);
836 int ssl3_shutdown(SSL *s);
837 void ssl3_clear(SSL *s);
838 long ssl3_ctrl(SSL *s,int cmd, long larg, void *parg);
839 long ssl3_ctx_ctrl(SSL_CTX *s,int cmd, long larg, void *parg);
840 long ssl3_callback_ctrl(SSL *s,int cmd, void (*fp)(void));
841 long ssl3_ctx_callback_ctrl(SSL_CTX *s,int cmd, void (*fp)(void));
842 int ssl3_pending(const SSL *s);
844 void ssl3_record_sequence_update(unsigned char *seq);
845 int ssl3_do_change_cipher_spec(SSL *ssl);
846 long ssl3_default_timeout(void );
848 int ssl23_num_ciphers(void );
849 SSL_CIPHER *ssl23_get_cipher(unsigned int u);
850 int ssl23_read(SSL *s, void *buf, int len);
851 int ssl23_peek(SSL *s, void *buf, int len);
852 int ssl23_write(SSL *s, const void *buf, int len);
853 int ssl23_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p);
854 SSL_CIPHER *ssl23_get_cipher_by_char(const unsigned char *p);
855 long ssl23_default_timeout(void );
857 long tls1_default_timeout(void);
858 int dtls1_do_write(SSL *s,int type);
859 int ssl3_read_n(SSL *s, int n, int max, int extend);
860 int dtls1_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek);
861 int ssl3_do_compress(SSL *ssl);
862 int ssl3_do_uncompress(SSL *ssl);
863 int ssl3_write_pending(SSL *s, int type, const unsigned char *buf,
865 unsigned char *dtls1_set_message_header(SSL *s,
866 unsigned char *p, unsigned char mt, unsigned long len,
867 unsigned long frag_off, unsigned long frag_len);
869 int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf, int len);
870 int dtls1_write_bytes(SSL *s, int type, const void *buf, int len);
872 int dtls1_send_change_cipher_spec(SSL *s, int a, int b);
873 int dtls1_send_finished(SSL *s, int a, int b, const char *sender, int slen);
874 unsigned long dtls1_output_cert_chain(SSL *s, X509 *x);
875 int dtls1_read_failed(SSL *s, int code);
876 int dtls1_buffer_message(SSL *s, int ccs);
877 int dtls1_retransmit_message(SSL *s, unsigned short seq,
878 unsigned long frag_off, int *found);
879 void dtls1_clear_record_buffer(SSL *s);
880 void dtls1_get_message_header(unsigned char *data, struct hm_header_st *msg_hdr);
881 void dtls1_get_ccs_header(unsigned char *data, struct ccs_header_st *ccs_hdr);
882 void dtls1_reset_seq_numbers(SSL *s, int rw);
883 long dtls1_default_timeout(void);
886 /* some client-only functions */
887 int ssl3_client_hello(SSL *s);
888 int ssl3_get_server_hello(SSL *s);
889 int ssl3_get_certificate_request(SSL *s);
890 int ssl3_get_server_done(SSL *s);
891 int ssl3_send_client_verify(SSL *s);
892 int ssl3_send_client_certificate(SSL *s);
893 int ssl3_send_client_key_exchange(SSL *s);
894 int ssl3_get_key_exchange(SSL *s);
895 int ssl3_get_server_certificate(SSL *s);
896 int ssl3_check_cert_and_algorithm(SSL *s);
898 int dtls1_client_hello(SSL *s);
899 int dtls1_send_client_certificate(SSL *s);
900 int dtls1_send_client_key_exchange(SSL *s);
901 int dtls1_send_client_verify(SSL *s);
903 /* some server-only functions */
904 int ssl3_get_client_hello(SSL *s);
905 int ssl3_send_server_hello(SSL *s);
906 int ssl3_send_hello_request(SSL *s);
907 int ssl3_send_server_key_exchange(SSL *s);
908 int ssl3_send_certificate_request(SSL *s);
909 int ssl3_send_server_done(SSL *s);
910 int ssl3_check_client_hello(SSL *s);
911 int ssl3_get_client_certificate(SSL *s);
912 int ssl3_get_client_key_exchange(SSL *s);
913 int ssl3_get_cert_verify(SSL *s);
915 int dtls1_send_hello_request(SSL *s);
916 int dtls1_send_server_hello(SSL *s);
917 int dtls1_send_server_certificate(SSL *s);
918 int dtls1_send_server_key_exchange(SSL *s);
919 int dtls1_send_certificate_request(SSL *s);
920 int dtls1_send_server_done(SSL *s);
924 int ssl23_accept(SSL *s);
925 int ssl23_connect(SSL *s);
926 int ssl23_read_bytes(SSL *s, int n);
927 int ssl23_write_bytes(SSL *s);
929 int tls1_new(SSL *s);
930 void tls1_free(SSL *s);
931 void tls1_clear(SSL *s);
932 long tls1_ctrl(SSL *s,int cmd, long larg, void *parg);
933 long tls1_callback_ctrl(SSL *s,int cmd, void (*fp)(void));
935 int dtls1_new(SSL *s);
936 int dtls1_accept(SSL *s);
937 int dtls1_connect(SSL *s);
938 void dtls1_free(SSL *s);
939 void dtls1_clear(SSL *s);
940 long dtls1_ctrl(SSL *s,int cmd, long larg, void *parg);
942 long dtls1_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok);
943 int dtls1_get_record(SSL *s);
944 int do_dtls1_write(SSL *s, int type, const unsigned char *buf,
945 unsigned int len, int create_empty_fragement);
946 int dtls1_dispatch_alert(SSL *s);
947 int dtls1_enc(SSL *s, int snd);
949 int ssl_init_wbio_buffer(SSL *s, int push);
950 void ssl_free_wbio_buffer(SSL *s);
952 int tls1_change_cipher_state(SSL *s, int which);
953 int tls1_setup_key_block(SSL *s);
954 int tls1_enc(SSL *s, int snd);
955 int tls1_final_finish_mac(SSL *s, EVP_MD_CTX *in1_ctx, EVP_MD_CTX *in2_ctx,
956 const char *str, int slen, unsigned char *p);
957 int tls1_cert_verify_mac(SSL *s, EVP_MD_CTX *in, unsigned char *p);
958 int tls1_mac(SSL *ssl, unsigned char *md, int snd);
959 int tls1_generate_master_secret(SSL *s, unsigned char *out,
960 unsigned char *p, int len);
961 int tls1_alert_code(int code);
962 int ssl3_alert_code(int code);
965 #ifndef OPENSSL_NO_ECDH
966 int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL_CIPHER *cs);
969 SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n);
971 #ifndef OPENSSL_NO_EC
972 int tls1_ec_curve_id2nid(int curve_id);
973 int tls1_ec_nid2curve_id(int nid);
974 #endif /* OPENSSL_NO_EC */
976 #ifndef OPENSSL_NO_TLSEXT
977 unsigned char *ssl_add_clienthello_tlsext(SSL *s, unsigned char *p, unsigned char *limit);
978 unsigned char *ssl_add_serverhello_tlsext(SSL *s, unsigned char *p, unsigned char *limit);
979 int ssl_parse_clienthello_tlsext(SSL *s, unsigned char **data, unsigned char *d, int n, int *al);
980 int ssl_parse_serverhello_tlsext(SSL *s, unsigned char **data, unsigned char *d, int n, int *al);
981 int ssl_prepare_clienthello_tlsext(SSL *s);
982 int ssl_prepare_serverhello_tlsext(SSL *s);
983 int ssl_check_clienthello_tlsext(SSL *s);
984 int ssl_check_serverhello_tlsext(SSL *s);