ssl_locl.h revision 296465
1/* ssl/ssl_locl.h */ 2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay@cryptsoft.com). 7 * The implementation was written so as to conform with Netscapes SSL. 8 * 9 * This library is free for commercial and non-commercial use as long as 10 * the following conditions are aheared to. The following conditions 11 * apply to all code found in this distribution, be it the RC4, RSA, 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13 * included with this distribution is covered by the same copyright terms 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15 * 16 * Copyright remains Eric Young's, and as such any Copyright notices in 17 * the code are not to be removed. 18 * If this package is used in a product, Eric Young should be given attribution 19 * as the author of the parts of the library used. 20 * This can be in the form of a textual message at program startup or 21 * in documentation (online or textual) provided with the package. 22 * 23 * Redistribution and use in source and binary forms, with or without 24 * modification, are permitted provided that the following conditions 25 * are met: 26 * 1. Redistributions of source code must retain the copyright 27 * notice, this list of conditions and the following disclaimer. 28 * 2. Redistributions in binary form must reproduce the above copyright 29 * notice, this list of conditions and the following disclaimer in the 30 * documentation and/or other materials provided with the distribution. 31 * 3. All advertising materials mentioning features or use of this software 32 * must display the following acknowledgement: 33 * "This product includes cryptographic software written by 34 * Eric Young (eay@cryptsoft.com)" 35 * The word 'cryptographic' can be left out if the rouines from the library 36 * being used are not cryptographic related :-). 37 * 4. If you include any Windows specific code (or a derivative thereof) from 38 * the apps directory (application code) you must include an acknowledgement: 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40 * 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51 * SUCH DAMAGE. 52 * 53 * The licence and distribution terms for any publically available version or 54 * derivative of this code cannot be changed. i.e. this code cannot simply be 55 * copied and put under another distribution licence 56 * [including the GNU Public Licence.] 57 */ 58/* ==================================================================== 59 * Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved. 60 * 61 * Redistribution and use in source and binary forms, with or without 62 * modification, are permitted provided that the following conditions 63 * are met: 64 * 65 * 1. Redistributions of source code must retain the above copyright 66 * notice, this list of conditions and the following disclaimer. 67 * 68 * 2. Redistributions in binary form must reproduce the above copyright 69 * notice, this list of conditions and the following disclaimer in 70 * the documentation and/or other materials provided with the 71 * distribution. 72 * 73 * 3. All advertising materials mentioning features or use of this 74 * software must display the following acknowledgment: 75 * "This product includes software developed by the OpenSSL Project 76 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" 77 * 78 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 79 * endorse or promote products derived from this software without 80 * prior written permission. For written permission, please contact 81 * openssl-core@openssl.org. 82 * 83 * 5. Products derived from this software may not be called "OpenSSL" 84 * nor may "OpenSSL" appear in their names without prior written 85 * permission of the OpenSSL Project. 86 * 87 * 6. Redistributions of any form whatsoever must retain the following 88 * acknowledgment: 89 * "This product includes software developed by the OpenSSL Project 90 * for use in the OpenSSL Toolkit (http://www.openssl.org/)" 91 * 92 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 93 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 94 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 95 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 96 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 97 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 98 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 99 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 100 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 101 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 102 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 103 * OF THE POSSIBILITY OF SUCH DAMAGE. 104 * ==================================================================== 105 * 106 * This product includes cryptographic software written by Eric Young 107 * (eay@cryptsoft.com). This product includes software written by Tim 108 * Hudson (tjh@cryptsoft.com). 109 * 110 */ 111/* ==================================================================== 112 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. 113 * ECC cipher suite support in OpenSSL originally developed by 114 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project. 115 */ 116 117#ifndef HEADER_SSL_LOCL_H 118# define HEADER_SSL_LOCL_H 119# include <stdlib.h> 120# include <time.h> 121# include <string.h> 122# include <errno.h> 123 124# include "e_os.h" 125 126# include <openssl/buffer.h> 127# ifndef OPENSSL_NO_COMP 128# include <openssl/comp.h> 129# endif 130# include <openssl/bio.h> 131# include <openssl/stack.h> 132# ifndef OPENSSL_NO_RSA 133# include <openssl/rsa.h> 134# endif 135# ifndef OPENSSL_NO_DSA 136# include <openssl/dsa.h> 137# endif 138# include <openssl/err.h> 139# include <openssl/ssl.h> 140# include <openssl/symhacks.h> 141 142# ifdef OPENSSL_BUILD_SHLIBSSL 143# undef OPENSSL_EXTERN 144# define OPENSSL_EXTERN OPENSSL_EXPORT 145# endif 146 147# define PKCS1_CHECK 148 149# define c2l(c,l) (l = ((unsigned long)(*((c)++))) , \ 150 l|=(((unsigned long)(*((c)++)))<< 8), \ 151 l|=(((unsigned long)(*((c)++)))<<16), \ 152 l|=(((unsigned long)(*((c)++)))<<24)) 153 154/* NOTE - c is not incremented as per c2l */ 155# define c2ln(c,l1,l2,n) { \ 156 c+=n; \ 157 l1=l2=0; \ 158 switch (n) { \ 159 case 8: l2 =((unsigned long)(*(--(c))))<<24; \ 160 case 7: l2|=((unsigned long)(*(--(c))))<<16; \ 161 case 6: l2|=((unsigned long)(*(--(c))))<< 8; \ 162 case 5: l2|=((unsigned long)(*(--(c)))); \ 163 case 4: l1 =((unsigned long)(*(--(c))))<<24; \ 164 case 3: l1|=((unsigned long)(*(--(c))))<<16; \ 165 case 2: l1|=((unsigned long)(*(--(c))))<< 8; \ 166 case 1: l1|=((unsigned long)(*(--(c)))); \ 167 } \ 168 } 169 170# define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \ 171 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ 172 *((c)++)=(unsigned char)(((l)>>16)&0xff), \ 173 *((c)++)=(unsigned char)(((l)>>24)&0xff)) 174 175# define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24, \ 176 l|=((unsigned long)(*((c)++)))<<16, \ 177 l|=((unsigned long)(*((c)++)))<< 8, \ 178 l|=((unsigned long)(*((c)++)))) 179 180# define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24)&0xff), \ 181 *((c)++)=(unsigned char)(((l)>>16)&0xff), \ 182 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ 183 *((c)++)=(unsigned char)(((l) )&0xff)) 184 185# define l2n6(l,c) (*((c)++)=(unsigned char)(((l)>>40)&0xff), \ 186 *((c)++)=(unsigned char)(((l)>>32)&0xff), \ 187 *((c)++)=(unsigned char)(((l)>>24)&0xff), \ 188 *((c)++)=(unsigned char)(((l)>>16)&0xff), \ 189 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ 190 *((c)++)=(unsigned char)(((l) )&0xff)) 191 192# define l2n8(l,c) (*((c)++)=(unsigned char)(((l)>>56)&0xff), \ 193 *((c)++)=(unsigned char)(((l)>>48)&0xff), \ 194 *((c)++)=(unsigned char)(((l)>>40)&0xff), \ 195 *((c)++)=(unsigned char)(((l)>>32)&0xff), \ 196 *((c)++)=(unsigned char)(((l)>>24)&0xff), \ 197 *((c)++)=(unsigned char)(((l)>>16)&0xff), \ 198 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ 199 *((c)++)=(unsigned char)(((l) )&0xff)) 200 201# define n2l6(c,l) (l =((BN_ULLONG)(*((c)++)))<<40, \ 202 l|=((BN_ULLONG)(*((c)++)))<<32, \ 203 l|=((BN_ULLONG)(*((c)++)))<<24, \ 204 l|=((BN_ULLONG)(*((c)++)))<<16, \ 205 l|=((BN_ULLONG)(*((c)++)))<< 8, \ 206 l|=((BN_ULLONG)(*((c)++)))) 207 208/* NOTE - c is not incremented as per l2c */ 209# define l2cn(l1,l2,c,n) { \ 210 c+=n; \ 211 switch (n) { \ 212 case 8: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \ 213 case 7: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \ 214 case 6: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \ 215 case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \ 216 case 4: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \ 217 case 3: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \ 218 case 2: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \ 219 case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \ 220 } \ 221 } 222 223# define n2s(c,s) ((s=(((unsigned int)(c[0]))<< 8)| \ 224 (((unsigned int)(c[1])) )),c+=2) 225# define s2n(s,c) ((c[0]=(unsigned char)(((s)>> 8)&0xff), \ 226 c[1]=(unsigned char)(((s) )&0xff)),c+=2) 227 228# define n2l3(c,l) ((l =(((unsigned long)(c[0]))<<16)| \ 229 (((unsigned long)(c[1]))<< 8)| \ 230 (((unsigned long)(c[2])) )),c+=3) 231 232# define l2n3(l,c) ((c[0]=(unsigned char)(((l)>>16)&0xff), \ 233 c[1]=(unsigned char)(((l)>> 8)&0xff), \ 234 c[2]=(unsigned char)(((l) )&0xff)),c+=3) 235 236/* LOCAL STUFF */ 237 238# define SSL_DECRYPT 0 239# define SSL_ENCRYPT 1 240 241# define TWO_BYTE_BIT 0x80 242# define SEC_ESC_BIT 0x40 243# define TWO_BYTE_MASK 0x7fff 244# define THREE_BYTE_MASK 0x3fff 245 246# define INC32(a) ((a)=((a)+1)&0xffffffffL) 247# define DEC32(a) ((a)=((a)-1)&0xffffffffL) 248# define MAX_MAC_SIZE 20 /* up from 16 for SSLv3 */ 249 250/* 251 * Define the Bitmasks for SSL_CIPHER.algorithms. 252 * This bits are used packed as dense as possible. If new methods/ciphers 253 * etc will be added, the bits a likely to change, so this information 254 * is for internal library use only, even though SSL_CIPHER.algorithms 255 * can be publicly accessed. 256 * Use the according functions for cipher management instead. 257 * 258 * The bit mask handling in the selection and sorting scheme in 259 * ssl_create_cipher_list() has only limited capabilities, reflecting 260 * that the different entities within are mutually exclusive: 261 * ONLY ONE BIT PER MASK CAN BE SET AT A TIME. 262 */ 263# define SSL_MKEY_MASK 0x000000FFL 264/* RSA key exchange */ 265# define SSL_kRSA 0x00000001L 266/* DH cert RSA CA cert */ 267# define SSL_kDHr 0x00000002L 268/* DH cert DSA CA cert */ 269# define SSL_kDHd 0x00000004L 270# define SSL_kFZA 0x00000008L 271/* tmp DH key no DH cert */ 272# define SSL_kEDH 0x00000010L 273/* Kerberos5 key exchange */ 274# define SSL_kKRB5 0x00000020L 275/* ECDH w/ long-term keys */ 276# define SSL_kECDH 0x00000040L 277/* ephemeral ECDH */ 278# define SSL_kECDHE 0x00000080L 279# define SSL_EDH (SSL_kEDH|(SSL_AUTH_MASK^SSL_aNULL)) 280 281# define SSL_AUTH_MASK 0x00007F00L 282/* Authenticate with RSA */ 283# define SSL_aRSA 0x00000100L 284/* Authenticate with DSS */ 285# define SSL_aDSS 0x00000200L 286# define SSL_DSS SSL_aDSS 287# define SSL_aFZA 0x00000400L 288/* no Authenticate, ADH */ 289# define SSL_aNULL 0x00000800L 290/* no Authenticate, ADH */ 291# define SSL_aDH 0x00001000L 292/* Authenticate with KRB5 */ 293# define SSL_aKRB5 0x00002000L 294/* Authenticate with ECDSA */ 295# define SSL_aECDSA 0x00004000L 296 297# define SSL_NULL (SSL_eNULL) 298# define SSL_ADH (SSL_kEDH|SSL_aNULL) 299# define SSL_RSA (SSL_kRSA|SSL_aRSA) 300# define SSL_DH (SSL_kDHr|SSL_kDHd|SSL_kEDH) 301# define SSL_ECDH (SSL_kECDH|SSL_kECDHE) 302# define SSL_FZA (SSL_aFZA|SSL_kFZA|SSL_eFZA) 303# define SSL_KRB5 (SSL_kKRB5|SSL_aKRB5) 304 305# define SSL_ENC_MASK 0x1C3F8000L 306# define SSL_DES 0x00008000L 307# define SSL_3DES 0x00010000L 308# define SSL_RC4 0x00020000L 309# define SSL_RC2 0x00040000L 310# define SSL_IDEA 0x00080000L 311# define SSL_eFZA 0x00100000L 312# define SSL_eNULL 0x00200000L 313# define SSL_AES 0x04000000L 314# define SSL_CAMELLIA 0x08000000L 315# define SSL_SEED 0x10000000L 316 317# define SSL_MAC_MASK 0x00c00000L 318# define SSL_MD5 0x00400000L 319# define SSL_SHA1 0x00800000L 320# define SSL_SHA (SSL_SHA1) 321 322# define SSL_SSL_MASK 0x03000000L 323# define SSL_SSLV2 0x01000000L 324# define SSL_SSLV3 0x02000000L 325# define SSL_TLSV1 SSL_SSLV3/* for now */ 326 327/* we have used 1fffffff - 3 bits left to go. */ 328 329/* 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. 333 * 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 342 * be possible. 343 */ 344# define SSL_EXP_MASK 0x00000003L 345# define SSL_NOT_EXP 0x00000001L 346# define SSL_EXPORT 0x00000002L 347 348# define SSL_STRONG_MASK 0x000000fcL 349# define SSL_STRONG_NONE 0x00000004L 350# define SSL_EXP40 0x00000008L 351# define SSL_MICRO (SSL_EXP40) 352# define SSL_EXP56 0x00000010L 353# define SSL_MINI (SSL_EXP56) 354# define SSL_LOW 0x00000020L 355# define SSL_MEDIUM 0x00000040L 356# define SSL_HIGH 0x00000080L 357# define SSL_FIPS 0x00000100L 358 359/* we have used 000001ff - 23 bits left to go */ 360 361/*- 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 367 * is given. 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. 373 */ 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) 380 381# define SSL_EXPORT_KEYLENGTH(a,s) (SSL_IS_EXPORT40(s) ? 5 : \ 382 ((a)&SSL_ENC_MASK) == 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)->algorithms, \ 385 (c)->algo_strength) 386# define SSL_C_EXPORT_PKEYLENGTH(c) SSL_EXPORT_PKEYLENGTH((c)->algo_strength) 387 388# define SSL_ALL 0xffffffffL 389# define SSL_ALL_CIPHERS (SSL_MKEY_MASK|SSL_AUTH_MASK|SSL_ENC_MASK|\ 390 SSL_MAC_MASK) 391# define SSL_ALL_STRENGTHS (SSL_EXP_MASK|SSL_STRONG_MASK) 392 393/* Mostly for SSLv3 */ 394# define SSL_PKEY_RSA_ENC 0 395# define SSL_PKEY_RSA_SIGN 1 396# define SSL_PKEY_DSA_SIGN 2 397# define SSL_PKEY_DH_RSA 3 398# define SSL_PKEY_DH_DSA 4 399# define SSL_PKEY_ECC 5 400# define SSL_PKEY_NUM 6 401 402/*- 403 * SSL_kRSA <- RSA_ENC | (RSA_TMP & RSA_SIGN) | 404 * <- (EXPORT & (RSA_ENC | RSA_TMP) & RSA_SIGN) 405 * SSL_kDH <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN) 406 * SSL_kEDH <- RSA_ENC | RSA_SIGN | DSA_SIGN 407 * SSL_aRSA <- RSA_ENC | RSA_SIGN 408 * SSL_aDSS <- DSA_SIGN 409 */ 410 411/*- 412#define CERT_INVALID 0 413#define CERT_PUBLIC_KEY 1 414#define CERT_PRIVATE_KEY 2 415*/ 416 417# ifndef OPENSSL_NO_EC 418/* 419 * From ECC-TLS draft, used in encoding the curve type in ECParameters 420 */ 421# define EXPLICIT_PRIME_CURVE_TYPE 1 422# define EXPLICIT_CHAR2_CURVE_TYPE 2 423# define NAMED_CURVE_TYPE 3 424# endif /* OPENSSL_NO_EC */ 425 426typedef struct cert_pkey_st { 427 X509 *x509; 428 EVP_PKEY *privatekey; 429} CERT_PKEY; 430 431typedef struct cert_st { 432 /* Current active set */ 433 /* 434 * ALWAYS points to an element of the pkeys array 435 * Probably it would make more sense to store 436 * an index, not a pointer. 437 */ 438 CERT_PKEY *key; 439 /* 440 * The following masks are for the key and auth algorithms that are 441 * supported by the certs below 442 */ 443 int valid; 444 unsigned long mask; 445 unsigned long export_mask; 446# ifndef OPENSSL_NO_RSA 447 RSA *rsa_tmp; 448 RSA *(*rsa_tmp_cb) (SSL *ssl, int is_export, int keysize); 449# endif 450# ifndef OPENSSL_NO_DH 451 DH *dh_tmp; 452 DH *(*dh_tmp_cb) (SSL *ssl, int is_export, int keysize); 453# endif 454# ifndef OPENSSL_NO_ECDH 455 EC_KEY *ecdh_tmp; 456 /* Callback for generating ephemeral ECDH keys */ 457 EC_KEY *(*ecdh_tmp_cb) (SSL *ssl, int is_export, int keysize); 458# endif 459 CERT_PKEY pkeys[SSL_PKEY_NUM]; 460 int references; /* >1 only if SSL_copy_session_id is used */ 461} CERT; 462 463typedef struct sess_cert_st { 464 STACK_OF(X509) *cert_chain; /* as received from peer (not for SSL2) */ 465 /* The 'peer_...' members are used only by clients. */ 466 int peer_cert_type; 467 CERT_PKEY *peer_key; /* points to an element of peer_pkeys (never 468 * NULL!) */ 469 CERT_PKEY peer_pkeys[SSL_PKEY_NUM]; 470 /* 471 * Obviously we don't have the private keys of these, so maybe we 472 * shouldn't even use the CERT_PKEY type here. 473 */ 474# ifndef OPENSSL_NO_RSA 475 RSA *peer_rsa_tmp; /* not used for SSL 2 */ 476# endif 477# ifndef OPENSSL_NO_DH 478 DH *peer_dh_tmp; /* not used for SSL 2 */ 479# endif 480# ifndef OPENSSL_NO_ECDH 481 EC_KEY *peer_ecdh_tmp; 482# endif 483 int references; /* actually always 1 at the moment */ 484} SESS_CERT; 485 486/* 487 * #define MAC_DEBUG 488 */ 489 490/* 491 * #define ERR_DEBUG 492 */ 493/* 494 * #define ABORT_DEBUG 495 */ 496/* 497 * #define PKT_DEBUG 1 498 */ 499/* 500 * #define DES_DEBUG 501 */ 502/* 503 * #define DES_OFB_DEBUG 504 */ 505/* 506 * #define SSL_DEBUG 507 */ 508/* 509 * #define RSA_DEBUG 510 */ 511/* 512 * #define IDEA_DEBUG 513 */ 514 515# define FP_ICC (int (*)(const void *,const void *)) 516# define ssl_put_cipher_by_char(ssl,ciph,ptr) \ 517 ((ssl)->method->put_cipher_by_char((ciph),(ptr))) 518# define ssl_get_cipher_by_char(ssl,ptr) \ 519 ((ssl)->method->get_cipher_by_char(ptr)) 520 521/* 522 * This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff It is a bit 523 * of a mess of functions, but hell, think of it as an opaque structure :-) 524 */ 525typedef struct ssl3_enc_method { 526 int (*enc) (SSL *, int); 527 int (*mac) (SSL *, unsigned char *, int); 528 int (*setup_key_block) (SSL *); 529 int (*generate_master_secret) (SSL *, unsigned char *, unsigned char *, 530 int); 531 int (*change_cipher_state) (SSL *, int); 532 int (*final_finish_mac) (SSL *, EVP_MD_CTX *, EVP_MD_CTX *, const char *, 533 int, unsigned char *); 534 int finish_mac_length; 535 int (*cert_verify_mac) (SSL *, EVP_MD_CTX *, unsigned char *); 536 const char *client_finished_label; 537 int client_finished_label_len; 538 const char *server_finished_label; 539 int server_finished_label_len; 540 int (*alert_value) (int); 541} SSL3_ENC_METHOD; 542 543# ifndef OPENSSL_NO_COMP 544/* Used for holding the relevant compression methods loaded into SSL_CTX */ 545typedef struct ssl3_comp_st { 546 int comp_id; /* The identifier byte for this compression 547 * type */ 548 char *name; /* Text name used for the compression type */ 549 COMP_METHOD *method; /* The method :-) */ 550} SSL3_COMP; 551# endif 552 553extern SSL3_ENC_METHOD ssl3_undef_enc_method; 554OPENSSL_EXTERN SSL_CIPHER ssl2_ciphers[]; 555OPENSSL_EXTERN SSL_CIPHER ssl3_ciphers[]; 556 557SSL_METHOD *ssl_bad_method(int ver); 558SSL_METHOD *sslv2_base_method(void); 559SSL_METHOD *sslv23_base_method(void); 560SSL_METHOD *sslv3_base_method(void); 561 562extern SSL3_ENC_METHOD TLSv1_enc_data; 563extern SSL3_ENC_METHOD SSLv3_enc_data; 564extern SSL3_ENC_METHOD DTLSv1_enc_data; 565 566# define IMPLEMENT_tls1_meth_func(func_name, s_accept, s_connect, s_get_meth) \ 567SSL_METHOD *func_name(void) \ 568 { \ 569 static SSL_METHOD func_name##_data= { \ 570 TLS1_VERSION, \ 571 tls1_new, \ 572 tls1_clear, \ 573 tls1_free, \ 574 s_accept, \ 575 s_connect, \ 576 ssl3_read, \ 577 ssl3_peek, \ 578 ssl3_write, \ 579 ssl3_shutdown, \ 580 ssl3_renegotiate, \ 581 ssl3_renegotiate_check, \ 582 ssl3_get_message, \ 583 ssl3_read_bytes, \ 584 ssl3_write_bytes, \ 585 ssl3_dispatch_alert, \ 586 ssl3_ctrl, \ 587 ssl3_ctx_ctrl, \ 588 ssl3_get_cipher_by_char, \ 589 ssl3_put_cipher_by_char, \ 590 ssl3_pending, \ 591 ssl3_num_ciphers, \ 592 ssl3_get_cipher, \ 593 s_get_meth, \ 594 tls1_default_timeout, \ 595 &TLSv1_enc_data, \ 596 ssl_undefined_void_function, \ 597 ssl3_callback_ctrl, \ 598 ssl3_ctx_callback_ctrl, \ 599 }; \ 600 return &func_name##_data; \ 601 } 602 603# define IMPLEMENT_ssl3_meth_func(func_name, s_accept, s_connect, s_get_meth) \ 604SSL_METHOD *func_name(void) \ 605 { \ 606 static SSL_METHOD func_name##_data= { \ 607 SSL3_VERSION, \ 608 ssl3_new, \ 609 ssl3_clear, \ 610 ssl3_free, \ 611 s_accept, \ 612 s_connect, \ 613 ssl3_read, \ 614 ssl3_peek, \ 615 ssl3_write, \ 616 ssl3_shutdown, \ 617 ssl3_renegotiate, \ 618 ssl3_renegotiate_check, \ 619 ssl3_get_message, \ 620 ssl3_read_bytes, \ 621 ssl3_write_bytes, \ 622 ssl3_dispatch_alert, \ 623 ssl3_ctrl, \ 624 ssl3_ctx_ctrl, \ 625 ssl3_get_cipher_by_char, \ 626 ssl3_put_cipher_by_char, \ 627 ssl3_pending, \ 628 ssl3_num_ciphers, \ 629 ssl3_get_cipher, \ 630 s_get_meth, \ 631 ssl3_default_timeout, \ 632 &SSLv3_enc_data, \ 633 ssl_undefined_void_function, \ 634 ssl3_callback_ctrl, \ 635 ssl3_ctx_callback_ctrl, \ 636 }; \ 637 return &func_name##_data; \ 638 } 639 640# define IMPLEMENT_ssl23_meth_func(func_name, s_accept, s_connect, s_get_meth) \ 641SSL_METHOD *func_name(void) \ 642 { \ 643 static SSL_METHOD func_name##_data= { \ 644 TLS1_VERSION, \ 645 tls1_new, \ 646 tls1_clear, \ 647 tls1_free, \ 648 s_accept, \ 649 s_connect, \ 650 ssl23_read, \ 651 ssl23_peek, \ 652 ssl23_write, \ 653 ssl_undefined_function, \ 654 ssl_undefined_function, \ 655 ssl_ok, \ 656 ssl3_get_message, \ 657 ssl3_read_bytes, \ 658 ssl3_write_bytes, \ 659 ssl3_dispatch_alert, \ 660 ssl3_ctrl, \ 661 ssl3_ctx_ctrl, \ 662 ssl23_get_cipher_by_char, \ 663 ssl23_put_cipher_by_char, \ 664 ssl_undefined_const_function, \ 665 ssl23_num_ciphers, \ 666 ssl23_get_cipher, \ 667 s_get_meth, \ 668 ssl23_default_timeout, \ 669 &ssl3_undef_enc_method, \ 670 ssl_undefined_void_function, \ 671 ssl3_callback_ctrl, \ 672 ssl3_ctx_callback_ctrl, \ 673 }; \ 674 return &func_name##_data; \ 675 } 676 677# define IMPLEMENT_ssl2_meth_func(func_name, s_accept, s_connect, s_get_meth) \ 678SSL_METHOD *func_name(void) \ 679 { \ 680 static SSL_METHOD func_name##_data= { \ 681 SSL2_VERSION, \ 682 ssl2_new, /* local */ \ 683 ssl2_clear, /* local */ \ 684 ssl2_free, /* local */ \ 685 s_accept, \ 686 s_connect, \ 687 ssl2_read, \ 688 ssl2_peek, \ 689 ssl2_write, \ 690 ssl2_shutdown, \ 691 ssl_ok, /* NULL - renegotiate */ \ 692 ssl_ok, /* NULL - check renegotiate */ \ 693 NULL, /* NULL - ssl_get_message */ \ 694 NULL, /* NULL - ssl_get_record */ \ 695 NULL, /* NULL - ssl_write_bytes */ \ 696 NULL, /* NULL - dispatch_alert */ \ 697 ssl2_ctrl, /* local */ \ 698 ssl2_ctx_ctrl, /* local */ \ 699 ssl2_get_cipher_by_char, \ 700 ssl2_put_cipher_by_char, \ 701 ssl2_pending, \ 702 ssl2_num_ciphers, \ 703 ssl2_get_cipher, \ 704 s_get_meth, \ 705 ssl2_default_timeout, \ 706 &ssl3_undef_enc_method, \ 707 ssl_undefined_void_function, \ 708 ssl2_callback_ctrl, /* local */ \ 709 ssl2_ctx_callback_ctrl, /* local */ \ 710 }; \ 711 return &func_name##_data; \ 712 } 713 714# define IMPLEMENT_dtls1_meth_func(func_name, s_accept, s_connect, s_get_meth) \ 715SSL_METHOD *func_name(void) \ 716 { \ 717 static SSL_METHOD func_name##_data= { \ 718 DTLS1_VERSION, \ 719 dtls1_new, \ 720 dtls1_clear, \ 721 dtls1_free, \ 722 s_accept, \ 723 s_connect, \ 724 ssl3_read, \ 725 ssl3_peek, \ 726 ssl3_write, \ 727 ssl3_shutdown, \ 728 ssl3_renegotiate, \ 729 ssl3_renegotiate_check, \ 730 dtls1_get_message, \ 731 dtls1_read_bytes, \ 732 dtls1_write_app_data_bytes, \ 733 dtls1_dispatch_alert, \ 734 dtls1_ctrl, \ 735 ssl3_ctx_ctrl, \ 736 ssl3_get_cipher_by_char, \ 737 ssl3_put_cipher_by_char, \ 738 ssl3_pending, \ 739 ssl3_num_ciphers, \ 740 dtls1_get_cipher, \ 741 s_get_meth, \ 742 dtls1_default_timeout, \ 743 &DTLSv1_enc_data, \ 744 ssl_undefined_void_function, \ 745 ssl3_callback_ctrl, \ 746 ssl3_ctx_callback_ctrl, \ 747 }; \ 748 return &func_name##_data; \ 749 } 750 751void ssl_clear_cipher_ctx(SSL *s); 752int ssl_clear_bad_session(SSL *s); 753CERT *ssl_cert_new(void); 754CERT *ssl_cert_dup(CERT *cert); 755int ssl_cert_inst(CERT **o); 756void ssl_cert_free(CERT *c); 757SESS_CERT *ssl_sess_cert_new(void); 758void ssl_sess_cert_free(SESS_CERT *sc); 759int ssl_set_peer_cert_type(SESS_CERT *c, int type); 760int ssl_get_new_session(SSL *s, int session); 761int ssl_get_prev_session(SSL *s, unsigned char *session, int len, 762 const unsigned char *limit); 763SSL_SESSION *ssl_session_dup(SSL_SESSION *src, int ticket); 764int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b); 765int ssl_cipher_ptr_id_cmp(const SSL_CIPHER *const *ap, 766 const SSL_CIPHER *const *bp); 767STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s, unsigned char *p, 768 int num, 769 STACK_OF(SSL_CIPHER) **skp); 770int ssl_cipher_list_to_bytes(SSL *s, STACK_OF(SSL_CIPHER) *sk, 771 unsigned char *p, 772 int (*put_cb) (const SSL_CIPHER *, 773 unsigned char *)); 774STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *meth, 775 STACK_OF(SSL_CIPHER) **pref, 776 STACK_OF(SSL_CIPHER) **sorted, 777 const char *rule_str); 778void ssl_update_cache(SSL *s, int mode); 779int ssl_cipher_get_evp(const SSL_SESSION *s, const EVP_CIPHER **enc, 780 const EVP_MD **md, SSL_COMP **comp); 781int ssl_verify_cert_chain(SSL *s, STACK_OF(X509) *sk); 782int ssl_undefined_function(SSL *s); 783int ssl_undefined_void_function(void); 784int ssl_undefined_const_function(const SSL *s); 785CERT_PKEY *ssl_get_server_send_pkey(const SSL *s); 786X509 *ssl_get_server_send_cert(const SSL *); 787EVP_PKEY *ssl_get_sign_pkey(SSL *, SSL_CIPHER *); 788int ssl_cert_type(X509 *x, EVP_PKEY *pkey); 789void ssl_set_cert_masks(CERT *c, SSL_CIPHER *cipher); 790STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s); 791int ssl_verify_alarm_type(long type); 792void ssl_load_ciphers(void); 793 794int ssl2_enc_init(SSL *s, int client); 795int ssl2_generate_key_material(SSL *s); 796void ssl2_enc(SSL *s, int send_data); 797void ssl2_mac(SSL *s, unsigned char *mac, int send_data); 798SSL_CIPHER *ssl2_get_cipher_by_char(const unsigned char *p); 799int ssl2_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p); 800int ssl2_part_read(SSL *s, unsigned long f, int i); 801int ssl2_do_write(SSL *s); 802int ssl2_set_certificate(SSL *s, int type, int len, 803 const unsigned char *data); 804void ssl2_return_error(SSL *s, int reason); 805void ssl2_write_error(SSL *s); 806int ssl2_num_ciphers(void); 807SSL_CIPHER *ssl2_get_cipher(unsigned int u); 808int ssl2_new(SSL *s); 809void ssl2_free(SSL *s); 810int ssl2_accept(SSL *s); 811int ssl2_connect(SSL *s); 812int ssl2_read(SSL *s, void *buf, int len); 813int ssl2_peek(SSL *s, void *buf, int len); 814int ssl2_write(SSL *s, const void *buf, int len); 815int ssl2_shutdown(SSL *s); 816void ssl2_clear(SSL *s); 817long ssl2_ctrl(SSL *s, int cmd, long larg, void *parg); 818long ssl2_ctx_ctrl(SSL_CTX *s, int cmd, long larg, void *parg); 819long ssl2_callback_ctrl(SSL *s, int cmd, void (*fp) (void)); 820long ssl2_ctx_callback_ctrl(SSL_CTX *s, int cmd, void (*fp) (void)); 821int ssl2_pending(const SSL *s); 822long ssl2_default_timeout(void); 823 824SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p); 825int ssl3_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p); 826void ssl3_init_finished_mac(SSL *s); 827int ssl3_send_server_certificate(SSL *s); 828int ssl3_send_newsession_ticket(SSL *s); 829int ssl3_send_cert_status(SSL *s); 830int ssl3_get_finished(SSL *s, int state_a, int state_b); 831int ssl3_setup_key_block(SSL *s); 832int ssl3_send_change_cipher_spec(SSL *s, int state_a, int state_b); 833int ssl3_change_cipher_state(SSL *s, int which); 834void ssl3_cleanup_key_block(SSL *s); 835int ssl3_do_write(SSL *s, int type); 836int ssl3_send_alert(SSL *s, int level, int desc); 837int ssl3_generate_master_secret(SSL *s, unsigned char *out, 838 unsigned char *p, int len); 839int ssl3_get_req_cert_type(SSL *s, unsigned char *p); 840long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok); 841int ssl3_send_finished(SSL *s, int a, int b, const char *sender, int slen); 842int ssl3_num_ciphers(void); 843SSL_CIPHER *ssl3_get_cipher(unsigned int u); 844int ssl3_renegotiate(SSL *ssl); 845int ssl3_renegotiate_check(SSL *ssl); 846int ssl3_dispatch_alert(SSL *s); 847int ssl3_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek); 848int ssl3_write_bytes(SSL *s, int type, const void *buf, int len); 849int ssl3_final_finish_mac(SSL *s, EVP_MD_CTX *ctx1, EVP_MD_CTX *ctx2, 850 const char *sender, int slen, unsigned char *p); 851int ssl3_cert_verify_mac(SSL *s, EVP_MD_CTX *in, unsigned char *p); 852void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len); 853int ssl3_enc(SSL *s, int send_data); 854int ssl3_mac(SSL *ssl, unsigned char *md, int send_data); 855unsigned long ssl3_output_cert_chain(SSL *s, X509 *x); 856SSL_CIPHER *ssl3_choose_cipher(SSL *ssl, STACK_OF(SSL_CIPHER) *clnt, 857 STACK_OF(SSL_CIPHER) *srvr); 858int ssl3_setup_buffers(SSL *s); 859int ssl3_new(SSL *s); 860void ssl3_free(SSL *s); 861int ssl3_accept(SSL *s); 862int ssl3_connect(SSL *s); 863int ssl3_read(SSL *s, void *buf, int len); 864int ssl3_peek(SSL *s, void *buf, int len); 865int ssl3_write(SSL *s, const void *buf, int len); 866int ssl3_shutdown(SSL *s); 867void ssl3_clear(SSL *s); 868long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg); 869long ssl3_ctx_ctrl(SSL_CTX *s, int cmd, long larg, void *parg); 870long ssl3_callback_ctrl(SSL *s, int cmd, void (*fp) (void)); 871long ssl3_ctx_callback_ctrl(SSL_CTX *s, int cmd, void (*fp) (void)); 872int ssl3_pending(const SSL *s); 873 874void ssl3_record_sequence_update(unsigned char *seq); 875int ssl3_do_change_cipher_spec(SSL *ssl); 876long ssl3_default_timeout(void); 877 878int ssl23_num_ciphers(void); 879SSL_CIPHER *ssl23_get_cipher(unsigned int u); 880int ssl23_read(SSL *s, void *buf, int len); 881int ssl23_peek(SSL *s, void *buf, int len); 882int ssl23_write(SSL *s, const void *buf, int len); 883int ssl23_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p); 884SSL_CIPHER *ssl23_get_cipher_by_char(const unsigned char *p); 885long ssl23_default_timeout(void); 886 887long tls1_default_timeout(void); 888int dtls1_do_write(SSL *s, int type); 889int ssl3_read_n(SSL *s, int n, int max, int extend); 890int dtls1_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek); 891int ssl3_do_compress(SSL *ssl); 892int ssl3_do_uncompress(SSL *ssl); 893int ssl3_write_pending(SSL *s, int type, const unsigned char *buf, 894 unsigned int len); 895unsigned char *dtls1_set_message_header(SSL *s, 896 unsigned char *p, unsigned char mt, 897 unsigned long len, 898 unsigned long frag_off, 899 unsigned long frag_len); 900 901int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf, int len); 902int dtls1_write_bytes(SSL *s, int type, const void *buf, int len); 903 904int dtls1_send_change_cipher_spec(SSL *s, int a, int b); 905int dtls1_send_finished(SSL *s, int a, int b, const char *sender, int slen); 906unsigned long dtls1_output_cert_chain(SSL *s, X509 *x); 907int dtls1_read_failed(SSL *s, int code); 908int dtls1_buffer_message(SSL *s, int ccs); 909int dtls1_retransmit_message(SSL *s, unsigned short seq, 910 unsigned long frag_off, int *found); 911int dtls1_get_queue_priority(unsigned short seq, int is_ccs); 912int dtls1_retransmit_buffered_messages(SSL *s); 913void dtls1_clear_record_buffer(SSL *s); 914void dtls1_get_message_header(unsigned char *data, 915 struct hm_header_st *msg_hdr); 916void dtls1_get_ccs_header(unsigned char *data, struct ccs_header_st *ccs_hdr); 917void dtls1_reset_seq_numbers(SSL *s, int rw); 918long dtls1_default_timeout(void); 919struct timeval *dtls1_get_timeout(SSL *s, struct timeval *timeleft); 920int dtls1_check_timeout_num(SSL *s); 921int dtls1_handle_timeout(SSL *s); 922SSL_CIPHER *dtls1_get_cipher(unsigned int u); 923void dtls1_start_timer(SSL *s); 924void dtls1_stop_timer(SSL *s); 925int dtls1_is_timer_expired(SSL *s); 926void dtls1_double_timeout(SSL *s); 927int dtls1_send_newsession_ticket(SSL *s); 928unsigned int dtls1_min_mtu(void); 929 930/* some client-only functions */ 931int ssl3_client_hello(SSL *s); 932int ssl3_get_server_hello(SSL *s); 933int ssl3_get_certificate_request(SSL *s); 934int ssl3_get_new_session_ticket(SSL *s); 935int ssl3_get_cert_status(SSL *s); 936int ssl3_get_server_done(SSL *s); 937int ssl3_send_client_verify(SSL *s); 938int ssl_do_client_cert_cb(SSL *s, X509 **px509, EVP_PKEY **ppkey); 939int ssl3_send_client_certificate(SSL *s); 940int ssl3_send_client_key_exchange(SSL *s); 941int ssl3_get_key_exchange(SSL *s); 942int ssl3_get_server_certificate(SSL *s); 943int ssl3_check_cert_and_algorithm(SSL *s); 944# ifndef OPENSSL_NO_TLSEXT 945int ssl3_check_finished(SSL *s); 946# endif 947 948int dtls1_client_hello(SSL *s); 949int dtls1_send_client_certificate(SSL *s); 950int dtls1_send_client_key_exchange(SSL *s); 951int dtls1_send_client_verify(SSL *s); 952 953/* some server-only functions */ 954int ssl3_get_client_hello(SSL *s); 955int ssl3_send_server_hello(SSL *s); 956int ssl3_send_hello_request(SSL *s); 957int ssl3_send_server_key_exchange(SSL *s); 958int ssl3_send_certificate_request(SSL *s); 959int ssl3_send_server_done(SSL *s); 960int ssl3_check_client_hello(SSL *s); 961int ssl3_get_client_certificate(SSL *s); 962int ssl3_get_client_key_exchange(SSL *s); 963int ssl3_get_cert_verify(SSL *s); 964 965int dtls1_send_hello_request(SSL *s); 966int dtls1_send_server_hello(SSL *s); 967int dtls1_send_server_certificate(SSL *s); 968int dtls1_send_server_key_exchange(SSL *s); 969int dtls1_send_certificate_request(SSL *s); 970int dtls1_send_server_done(SSL *s); 971 972int ssl23_accept(SSL *s); 973int ssl23_connect(SSL *s); 974int ssl23_read_bytes(SSL *s, int n); 975int ssl23_write_bytes(SSL *s); 976 977int tls1_new(SSL *s); 978void tls1_free(SSL *s); 979void tls1_clear(SSL *s); 980long tls1_ctrl(SSL *s, int cmd, long larg, void *parg); 981long tls1_callback_ctrl(SSL *s, int cmd, void (*fp) (void)); 982SSL_METHOD *tlsv1_base_method(void); 983 984int dtls1_new(SSL *s); 985int dtls1_accept(SSL *s); 986int dtls1_connect(SSL *s); 987void dtls1_free(SSL *s); 988void dtls1_clear(SSL *s); 989long dtls1_ctrl(SSL *s, int cmd, long larg, void *parg); 990SSL_METHOD *dtlsv1_base_method(void); 991 992long dtls1_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok); 993int dtls1_get_record(SSL *s); 994int do_dtls1_write(SSL *s, int type, const unsigned char *buf, 995 unsigned int len, int create_empty_fragement); 996int dtls1_dispatch_alert(SSL *s); 997int dtls1_enc(SSL *s, int snd); 998 999int ssl_init_wbio_buffer(SSL *s, int push); 1000void ssl_free_wbio_buffer(SSL *s); 1001 1002int tls1_change_cipher_state(SSL *s, int which); 1003int tls1_setup_key_block(SSL *s); 1004int tls1_enc(SSL *s, int snd); 1005int tls1_final_finish_mac(SSL *s, EVP_MD_CTX *in1_ctx, EVP_MD_CTX *in2_ctx, 1006 const char *str, int slen, unsigned char *p); 1007int tls1_cert_verify_mac(SSL *s, EVP_MD_CTX *in, unsigned char *p); 1008int tls1_mac(SSL *ssl, unsigned char *md, int snd); 1009int tls1_generate_master_secret(SSL *s, unsigned char *out, 1010 unsigned char *p, int len); 1011int tls1_alert_code(int code); 1012int ssl3_alert_code(int code); 1013int ssl_ok(SSL *s); 1014 1015int check_srvr_ecc_cert_and_alg(X509 *x, SSL_CIPHER *cs); 1016 1017SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n); 1018 1019# ifndef OPENSSL_NO_TLSEXT 1020unsigned char *ssl_add_clienthello_tlsext(SSL *s, unsigned char *p, 1021 unsigned char *limit); 1022unsigned char *ssl_add_serverhello_tlsext(SSL *s, unsigned char *p, 1023 unsigned char *limit); 1024int ssl_parse_clienthello_tlsext(SSL *s, unsigned char **data, 1025 unsigned char *d, int n, int *al); 1026int ssl_parse_serverhello_tlsext(SSL *s, unsigned char **data, 1027 unsigned char *d, int n, int *al); 1028int ssl_prepare_clienthello_tlsext(SSL *s); 1029int ssl_prepare_serverhello_tlsext(SSL *s); 1030int ssl_check_clienthello_tlsext_early(SSL *s); 1031int ssl_check_clienthello_tlsext_late(SSL *s); 1032int ssl_check_serverhello_tlsext(SSL *s); 1033 1034# ifdef OPENSSL_NO_SHA256 1035# define tlsext_tick_md EVP_sha1 1036# else 1037# define tlsext_tick_md EVP_sha256 1038# endif 1039int tls1_process_ticket(SSL *s, unsigned char *session_id, int len, 1040 const unsigned char *limit, SSL_SESSION **ret); 1041EVP_MD_CTX *ssl_replace_hash(EVP_MD_CTX **hash, const EVP_MD *md); 1042void ssl_clear_hash_ctx(EVP_MD_CTX **hash); 1043 1044int ssl_add_serverhello_renegotiate_ext(SSL *s, unsigned char *p, int *len, 1045 int maxlen); 1046int ssl_parse_serverhello_renegotiate_ext(SSL *s, unsigned char *d, int len, 1047 int *al); 1048int ssl_add_clienthello_renegotiate_ext(SSL *s, unsigned char *p, int *len, 1049 int maxlen); 1050int ssl_parse_clienthello_renegotiate_ext(SSL *s, unsigned char *d, int len, 1051 int *al); 1052# endif 1053/* s3_cbc.c */ 1054void ssl3_cbc_copy_mac(unsigned char *out, 1055 const SSL3_RECORD *rec, 1056 unsigned md_size, unsigned orig_len); 1057int ssl3_cbc_remove_padding(const SSL *s, 1058 SSL3_RECORD *rec, 1059 unsigned block_size, unsigned mac_size); 1060int tls1_cbc_remove_padding(const SSL *s, 1061 SSL3_RECORD *rec, 1062 unsigned block_size, unsigned mac_size); 1063char ssl3_cbc_record_digest_supported(const EVP_MD *hash); 1064void ssl3_cbc_digest_record(const EVP_MD *hash, 1065 unsigned char *md_out, 1066 size_t *md_out_size, 1067 const unsigned char header[13], 1068 const unsigned char *data, 1069 size_t data_plus_mac_size, 1070 size_t data_plus_mac_plus_padding_size, 1071 const unsigned char *mac_secret, 1072 unsigned mac_secret_length, char is_sslv3); 1073 1074void tls_fips_digest_extra(const EVP_CIPHER_CTX *cipher_ctx, 1075 const EVP_MD *hash, HMAC_CTX *hctx, 1076 const unsigned char *data, size_t data_len, 1077 size_t orig_len); 1078 1079#endif 1080