1 /* ssl/ssl_locl.h */ 2 /* Copyright (C) 1995-1998 Eric Young (eay (at) cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay (at) 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 (at) 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 (at) 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 (at) 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 (at) 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 (at) cryptsoft.com). This product includes software written by Tim 108 * Hudson (tjh (at) 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 n2l6(c,l) (l =((BN_ULLONG)(*((c)++)))<<40, \ 193 l|=((BN_ULLONG)(*((c)++)))<<32, \ 194 l|=((BN_ULLONG)(*((c)++)))<<24, \ 195 l|=((BN_ULLONG)(*((c)++)))<<16, \ 196 l|=((BN_ULLONG)(*((c)++)))<< 8, \ 197 l|=((BN_ULLONG)(*((c)++)))) 198 199 /* NOTE - c is not incremented as per l2c */ 200 #define l2cn(l1,l2,c,n) { \ 201 c+=n; \ 202 switch (n) { \ 203 case 8: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \ 204 case 7: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \ 205 case 6: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \ 206 case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \ 207 case 4: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \ 208 case 3: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \ 209 case 2: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \ 210 case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \ 211 } \ 212 } 213 214 #define n2s(c,s) ((s=(((unsigned int)(c[0]))<< 8)| \ 215 (((unsigned int)(c[1])) )),c+=2) 216 #define s2n(s,c) ((c[0]=(unsigned char)(((s)>> 8)&0xff), \ 217 c[1]=(unsigned char)(((s) )&0xff)),c+=2) 218 219 #define n2l3(c,l) ((l =(((unsigned long)(c[0]))<<16)| \ 220 (((unsigned long)(c[1]))<< 8)| \ 221 (((unsigned long)(c[2])) )),c+=3) 222 223 #define l2n3(l,c) ((c[0]=(unsigned char)(((l)>>16)&0xff), \ 224 c[1]=(unsigned char)(((l)>> 8)&0xff), \ 225 c[2]=(unsigned char)(((l) )&0xff)),c+=3) 226 227 /* LOCAL STUFF */ 228 229 #define SSL_DECRYPT 0 230 #define SSL_ENCRYPT 1 231 232 #define TWO_BYTE_BIT 0x80 233 #define SEC_ESC_BIT 0x40 234 #define TWO_BYTE_MASK 0x7fff 235 #define THREE_BYTE_MASK 0x3fff 236 237 #define INC32(a) ((a)=((a)+1)&0xffffffffL) 238 #define DEC32(a) ((a)=((a)-1)&0xffffffffL) 239 #define MAX_MAC_SIZE 20 /* up from 16 for SSLv3 */ 240 241 /* 242 * Define the Bitmasks for SSL_CIPHER.algorithms. 243 * This bits are used packed as dense as possible. If new methods/ciphers 244 * etc will be added, the bits a likely to change, so this information 245 * is for internal library use only, even though SSL_CIPHER.algorithms 246 * can be publicly accessed. 247 * Use the according functions for cipher management instead. 248 * 249 * The bit mask handling in the selection and sorting scheme in 250 * ssl_create_cipher_list() has only limited capabilities, reflecting 251 * that the different entities within are mutually exclusive: 252 * ONLY ONE BIT PER MASK CAN BE SET AT A TIME. 253 */ 254 #define SSL_MKEY_MASK 0x000000FFL 255 #define SSL_kRSA 0x00000001L /* RSA key exchange */ 256 #define SSL_kDHr 0x00000002L /* DH cert RSA CA cert */ 257 #define SSL_kDHd 0x00000004L /* DH cert DSA CA cert */ 258 #define SSL_kFZA 0x00000008L 259 #define SSL_kEDH 0x00000010L /* tmp DH key no DH cert */ 260 #define SSL_kKRB5 0x00000020L /* Kerberos5 key exchange */ 261 #define SSL_kECDH 0x00000040L /* ECDH w/ long-term keys */ 262 #define SSL_kECDHE 0x00000080L /* ephemeral ECDH */ 263 #define SSL_EDH (SSL_kEDH|(SSL_AUTH_MASK^SSL_aNULL)) 264 265 #define SSL_AUTH_MASK 0x00007F00L 266 #define SSL_aRSA 0x00000100L /* Authenticate with RSA */ 267 #define SSL_aDSS 0x00000200L /* Authenticate with DSS */ 268 #define SSL_DSS SSL_aDSS 269 #define SSL_aFZA 0x00000400L 270 #define SSL_aNULL 0x00000800L /* no Authenticate, ADH */ 271 #define SSL_aDH 0x00001000L /* no Authenticate, ADH */ 272 #define SSL_aKRB5 0x00002000L /* Authenticate with KRB5 */ 273 #define SSL_aECDSA 0x00004000L /* Authenticate with ECDSA */ 274 275 #define SSL_NULL (SSL_eNULL) 276 #define SSL_ADH (SSL_kEDH|SSL_aNULL) 277 #define SSL_RSA (SSL_kRSA|SSL_aRSA) 278 #define SSL_DH (SSL_kDHr|SSL_kDHd|SSL_kEDH) 279 #define SSL_ECDH (SSL_kECDH|SSL_kECDHE) 280 #define SSL_FZA (SSL_aFZA|SSL_kFZA|SSL_eFZA) 281 #define SSL_KRB5 (SSL_kKRB5|SSL_aKRB5) 282 283 #define SSL_ENC_MASK 0x1C3F8000L 284 #define SSL_DES 0x00008000L 285 #define SSL_3DES 0x00010000L 286 #define SSL_RC4 0x00020000L 287 #define SSL_RC2 0x00040000L 288 #define SSL_IDEA 0x00080000L 289 #define SSL_eFZA 0x00100000L 290 #define SSL_eNULL 0x00200000L 291 #define SSL_AES 0x04000000L 292 #define SSL_CAMELLIA 0x08000000L 293 #define SSL_SEED 0x10000000L 294 295 #define SSL_MAC_MASK 0x00c00000L 296 #define SSL_MD5 0x00400000L 297 #define SSL_SHA1 0x00800000L 298 #define SSL_SHA (SSL_SHA1) 299 300 #define SSL_SSL_MASK 0x03000000L 301 #define SSL_SSLV2 0x01000000L 302 #define SSL_SSLV3 0x02000000L 303 #define SSL_TLSV1 SSL_SSLV3 /* for now */ 304 305 /* we have used 1fffffff - 3 bits left to go. */ 306 307 /* 308 * Export and cipher strength information. For each cipher we have to decide 309 * whether it is exportable or not. This information is likely to change 310 * over time, since the export control rules are no static technical issue. 311 * 312 * Independent of the export flag the cipher strength is sorted into classes. 313 * SSL_EXP40 was denoting the 40bit US export limit of past times, which now 314 * is at 56bit (SSL_EXP56). If the exportable cipher class is going to change 315 * again (eg. to 64bit) the use of "SSL_EXP*" becomes blurred even more, 316 * since SSL_EXP64 could be similar to SSL_LOW. 317 * For this reason SSL_MICRO and SSL_MINI macros are included to widen the 318 * namespace of SSL_LOW-SSL_HIGH to lower values. As development of speed 319 * and ciphers goes, another extension to SSL_SUPER and/or SSL_ULTRA would 320 * be possible. 321 */ 322 #define SSL_EXP_MASK 0x00000003L 323 #define SSL_NOT_EXP 0x00000001L 324 #define SSL_EXPORT 0x00000002L 325 326 #define SSL_STRONG_MASK 0x000000fcL 327 #define SSL_STRONG_NONE 0x00000004L 328 #define SSL_EXP40 0x00000008L 329 #define SSL_MICRO (SSL_EXP40) 330 #define SSL_EXP56 0x00000010L 331 #define SSL_MINI (SSL_EXP56) 332 #define SSL_LOW 0x00000020L 333 #define SSL_MEDIUM 0x00000040L 334 #define SSL_HIGH 0x00000080L 335 #define SSL_FIPS 0x00000100L 336 337 /* we have used 000001ff - 23 bits left to go */ 338 339 /* 340 * Macros to check the export status and cipher strength for export ciphers. 341 * Even though the macros for EXPORT and EXPORT40/56 have similar names, 342 * their meaning is different: 343 * *_EXPORT macros check the 'exportable' status. 344 * *_EXPORT40/56 macros are used to check whether a certain cipher strength 345 * is given. 346 * Since the SSL_IS_EXPORT* and SSL_EXPORT* macros depend on the correct 347 * algorithm structure element to be passed (algorithms, algo_strength) and no 348 * typechecking can be done as they are all of type unsigned long, their 349 * direct usage is discouraged. 350 * Use the SSL_C_* macros instead. 351 */ 352 #define SSL_IS_EXPORT(a) ((a)&SSL_EXPORT) 353 #define SSL_IS_EXPORT56(a) ((a)&SSL_EXP56) 354 #define SSL_IS_EXPORT40(a) ((a)&SSL_EXP40) 355 #define SSL_C_IS_EXPORT(c) SSL_IS_EXPORT((c)->algo_strength) 356 #define SSL_C_IS_EXPORT56(c) SSL_IS_EXPORT56((c)->algo_strength) 357 #define SSL_C_IS_EXPORT40(c) SSL_IS_EXPORT40((c)->algo_strength) 358 359 #define SSL_EXPORT_KEYLENGTH(a,s) (SSL_IS_EXPORT40(s) ? 5 : \ 360 ((a)&SSL_ENC_MASK) == SSL_DES ? 8 : 7) 361 #define SSL_EXPORT_PKEYLENGTH(a) (SSL_IS_EXPORT40(a) ? 512 : 1024) 362 #define SSL_C_EXPORT_KEYLENGTH(c) SSL_EXPORT_KEYLENGTH((c)->algorithms, \ 363 (c)->algo_strength) 364 #define SSL_C_EXPORT_PKEYLENGTH(c) SSL_EXPORT_PKEYLENGTH((c)->algo_strength) 365 366 367 #define SSL_ALL 0xffffffffL 368 #define SSL_ALL_CIPHERS (SSL_MKEY_MASK|SSL_AUTH_MASK|SSL_ENC_MASK|\ 369 SSL_MAC_MASK) 370 #define SSL_ALL_STRENGTHS (SSL_EXP_MASK|SSL_STRONG_MASK) 371 372 /* Mostly for SSLv3 */ 373 #define SSL_PKEY_RSA_ENC 0 374 #define SSL_PKEY_RSA_SIGN 1 375 #define SSL_PKEY_DSA_SIGN 2 376 #define SSL_PKEY_DH_RSA 3 377 #define SSL_PKEY_DH_DSA 4 378 #define SSL_PKEY_ECC 5 379 #define SSL_PKEY_NUM 6 380 381 /* SSL_kRSA <- RSA_ENC | (RSA_TMP & RSA_SIGN) | 382 * <- (EXPORT & (RSA_ENC | RSA_TMP) & RSA_SIGN) 383 * SSL_kDH <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN) 384 * SSL_kEDH <- RSA_ENC | RSA_SIGN | DSA_SIGN 385 * SSL_aRSA <- RSA_ENC | RSA_SIGN 386 * SSL_aDSS <- DSA_SIGN 387 */ 388 389 /* 390 #define CERT_INVALID 0 391 #define CERT_PUBLIC_KEY 1 392 #define CERT_PRIVATE_KEY 2 393 */ 394 395 #ifndef OPENSSL_NO_EC 396 /* From ECC-TLS draft, used in encoding the curve type in 397 * ECParameters 398 */ 399 #define EXPLICIT_PRIME_CURVE_TYPE 1 400 #define EXPLICIT_CHAR2_CURVE_TYPE 2 401 #define NAMED_CURVE_TYPE 3 402 #endif /* OPENSSL_NO_EC */ 403 404 typedef struct cert_pkey_st 405 { 406 X509 *x509; 407 EVP_PKEY *privatekey; 408 } CERT_PKEY; 409 410 typedef struct cert_st 411 { 412 /* Current active set */ 413 CERT_PKEY *key; /* ALWAYS points to an element of the pkeys array 414 * Probably it would make more sense to store 415 * an index, not a pointer. */ 416 417 /* The following masks are for the key and auth 418 * algorithms that are supported by the certs below */ 419 int valid; 420 unsigned long mask; 421 unsigned long export_mask; 422 #ifndef OPENSSL_NO_RSA 423 RSA *rsa_tmp; 424 RSA *(*rsa_tmp_cb)(SSL *ssl,int is_export,int keysize); 425 #endif 426 #ifndef OPENSSL_NO_DH 427 DH *dh_tmp; 428 DH *(*dh_tmp_cb)(SSL *ssl,int is_export,int keysize); 429 #endif 430 #ifndef OPENSSL_NO_ECDH 431 EC_KEY *ecdh_tmp; 432 /* Callback for generating ephemeral ECDH keys */ 433 EC_KEY *(*ecdh_tmp_cb)(SSL *ssl,int is_export,int keysize); 434 #endif 435 436 CERT_PKEY pkeys[SSL_PKEY_NUM]; 437 438 int references; /* >1 only if SSL_copy_session_id is used */ 439 } CERT; 440 441 442 typedef struct sess_cert_st 443 { 444 STACK_OF(X509) *cert_chain; /* as received from peer (not for SSL2) */ 445 446 /* The 'peer_...' members are used only by clients. */ 447 int peer_cert_type; 448 449 CERT_PKEY *peer_key; /* points to an element of peer_pkeys (never NULL!) */ 450 CERT_PKEY peer_pkeys[SSL_PKEY_NUM]; 451 /* Obviously we don't have the private keys of these, 452 * so maybe we shouldn't even use the CERT_PKEY type here. */ 453 454 #ifndef OPENSSL_NO_RSA 455 RSA *peer_rsa_tmp; /* not used for SSL 2 */ 456 #endif 457 #ifndef OPENSSL_NO_DH 458 DH *peer_dh_tmp; /* not used for SSL 2 */ 459 #endif 460 #ifndef OPENSSL_NO_ECDH 461 EC_KEY *peer_ecdh_tmp; 462 #endif 463 464 int references; /* actually always 1 at the moment */ 465 } SESS_CERT; 466 467 468 /*#define MAC_DEBUG */ 469 470 /*#define ERR_DEBUG */ 471 /*#define ABORT_DEBUG */ 472 /*#define PKT_DEBUG 1 */ 473 /*#define DES_DEBUG */ 474 /*#define DES_OFB_DEBUG */ 475 /*#define SSL_DEBUG */ 476 /*#define RSA_DEBUG */ 477 /*#define IDEA_DEBUG */ 478 479 #define FP_ICC (int (*)(const void *,const void *)) 480 #define ssl_put_cipher_by_char(ssl,ciph,ptr) \ 481 ((ssl)->method->put_cipher_by_char((ciph),(ptr))) 482 #define ssl_get_cipher_by_char(ssl,ptr) \ 483 ((ssl)->method->get_cipher_by_char(ptr)) 484 485 /* This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff 486 * It is a bit of a mess of functions, but hell, think of it as 487 * an opaque structure :-) */ 488 typedef struct ssl3_enc_method 489 { 490 int (*enc)(SSL *, int); 491 int (*mac)(SSL *, unsigned char *, int); 492 int (*setup_key_block)(SSL *); 493 int (*generate_master_secret)(SSL *, unsigned char *, unsigned char *, int); 494 int (*change_cipher_state)(SSL *, int); 495 int (*final_finish_mac)(SSL *, EVP_MD_CTX *, EVP_MD_CTX *, const char *, int, unsigned char *); 496 int finish_mac_length; 497 int (*cert_verify_mac)(SSL *, EVP_MD_CTX *, unsigned char *); 498 const char *client_finished_label; 499 int client_finished_label_len; 500 const char *server_finished_label; 501 int server_finished_label_len; 502 int (*alert_value)(int); 503 } SSL3_ENC_METHOD; 504 505 #ifndef OPENSSL_NO_COMP 506 /* Used for holding the relevant compression methods loaded into SSL_CTX */ 507 typedef struct ssl3_comp_st 508 { 509 int comp_id; /* The identifier byte for this compression type */ 510 char *name; /* Text name used for the compression type */ 511 COMP_METHOD *method; /* The method :-) */ 512 } SSL3_COMP; 513 #endif 514 515 extern SSL3_ENC_METHOD ssl3_undef_enc_method; 516 OPENSSL_EXTERN SSL_CIPHER ssl2_ciphers[]; 517 OPENSSL_EXTERN SSL_CIPHER ssl3_ciphers[]; 518 519 520 SSL_METHOD *ssl_bad_method(int ver); 521 SSL_METHOD *sslv2_base_method(void); 522 SSL_METHOD *sslv23_base_method(void); 523 SSL_METHOD *sslv3_base_method(void); 524 525 extern SSL3_ENC_METHOD TLSv1_enc_data; 526 extern SSL3_ENC_METHOD SSLv3_enc_data; 527 extern SSL3_ENC_METHOD DTLSv1_enc_data; 528 529 #define IMPLEMENT_tls1_meth_func(func_name, s_accept, s_connect, s_get_meth) \ 530 SSL_METHOD *func_name(void) \ 531 { \ 532 static SSL_METHOD func_name##_data= { \ 533 TLS1_VERSION, \ 534 tls1_new, \ 535 tls1_clear, \ 536 tls1_free, \ 537 s_accept, \ 538 s_connect, \ 539 ssl3_read, \ 540 ssl3_peek, \ 541 ssl3_write, \ 542 ssl3_shutdown, \ 543 ssl3_renegotiate, \ 544 ssl3_renegotiate_check, \ 545 ssl3_get_message, \ 546 ssl3_read_bytes, \ 547 ssl3_write_bytes, \ 548 ssl3_dispatch_alert, \ 549 ssl3_ctrl, \ 550 ssl3_ctx_ctrl, \ 551 ssl3_get_cipher_by_char, \ 552 ssl3_put_cipher_by_char, \ 553 ssl3_pending, \ 554 ssl3_num_ciphers, \ 555 ssl3_get_cipher, \ 556 s_get_meth, \ 557 tls1_default_timeout, \ 558 &TLSv1_enc_data, \ 559 ssl_undefined_void_function, \ 560 ssl3_callback_ctrl, \ 561 ssl3_ctx_callback_ctrl, \ 562 }; \ 563 return &func_name##_data; \ 564 } 565 566 #define IMPLEMENT_ssl3_meth_func(func_name, s_accept, s_connect, s_get_meth) \ 567 SSL_METHOD *func_name(void) \ 568 { \ 569 static SSL_METHOD func_name##_data= { \ 570 SSL3_VERSION, \ 571 ssl3_new, \ 572 ssl3_clear, \ 573 ssl3_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 ssl3_default_timeout, \ 595 &SSLv3_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_ssl23_meth_func(func_name, s_accept, s_connect, s_get_meth) \ 604 SSL_METHOD *func_name(void) \ 605 { \ 606 static SSL_METHOD func_name##_data= { \ 607 TLS1_VERSION, \ 608 tls1_new, \ 609 tls1_clear, \ 610 tls1_free, \ 611 s_accept, \ 612 s_connect, \ 613 ssl23_read, \ 614 ssl23_peek, \ 615 ssl23_write, \ 616 ssl_undefined_function, \ 617 ssl_undefined_function, \ 618 ssl_ok, \ 619 ssl3_get_message, \ 620 ssl3_read_bytes, \ 621 ssl3_write_bytes, \ 622 ssl3_dispatch_alert, \ 623 ssl3_ctrl, \ 624 ssl3_ctx_ctrl, \ 625 ssl23_get_cipher_by_char, \ 626 ssl23_put_cipher_by_char, \ 627 ssl_undefined_const_function, \ 628 ssl23_num_ciphers, \ 629 ssl23_get_cipher, \ 630 s_get_meth, \ 631 ssl23_default_timeout, \ 632 &ssl3_undef_enc_method, \ 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_ssl2_meth_func(func_name, s_accept, s_connect, s_get_meth) \ 641 SSL_METHOD *func_name(void) \ 642 { \ 643 static SSL_METHOD func_name##_data= { \ 644 SSL2_VERSION, \ 645 ssl2_new, /* local */ \ 646 ssl2_clear, /* local */ \ 647 ssl2_free, /* local */ \ 648 s_accept, \ 649 s_connect, \ 650 ssl2_read, \ 651 ssl2_peek, \ 652 ssl2_write, \ 653 ssl2_shutdown, \ 654 ssl_ok, /* NULL - renegotiate */ \ 655 ssl_ok, /* NULL - check renegotiate */ \ 656 NULL, /* NULL - ssl_get_message */ \ 657 NULL, /* NULL - ssl_get_record */ \ 658 NULL, /* NULL - ssl_write_bytes */ \ 659 NULL, /* NULL - dispatch_alert */ \ 660 ssl2_ctrl, /* local */ \ 661 ssl2_ctx_ctrl, /* local */ \ 662 ssl2_get_cipher_by_char, \ 663 ssl2_put_cipher_by_char, \ 664 ssl2_pending, \ 665 ssl2_num_ciphers, \ 666 ssl2_get_cipher, \ 667 s_get_meth, \ 668 ssl2_default_timeout, \ 669 &ssl3_undef_enc_method, \ 670 ssl_undefined_void_function, \ 671 ssl2_callback_ctrl, /* local */ \ 672 ssl2_ctx_callback_ctrl, /* local */ \ 673 }; \ 674 return &func_name##_data; \ 675 } 676 677 #define IMPLEMENT_dtls1_meth_func(func_name, s_accept, s_connect, s_get_meth) \ 678 SSL_METHOD *func_name(void) \ 679 { \ 680 static SSL_METHOD func_name##_data= { \ 681 DTLS1_VERSION, \ 682 dtls1_new, \ 683 dtls1_clear, \ 684 dtls1_free, \ 685 s_accept, \ 686 s_connect, \ 687 ssl3_read, \ 688 ssl3_peek, \ 689 ssl3_write, \ 690 ssl3_shutdown, \ 691 ssl3_renegotiate, \ 692 ssl3_renegotiate_check, \ 693 dtls1_get_message, \ 694 dtls1_read_bytes, \ 695 dtls1_write_app_data_bytes, \ 696 dtls1_dispatch_alert, \ 697 dtls1_ctrl, \ 698 ssl3_ctx_ctrl, \ 699 ssl3_get_cipher_by_char, \ 700 ssl3_put_cipher_by_char, \ 701 ssl3_pending, \ 702 ssl3_num_ciphers, \ 703 dtls1_get_cipher, \ 704 s_get_meth, \ 705 dtls1_default_timeout, \ 706 &DTLSv1_enc_data, \ 707 ssl_undefined_void_function, \ 708 ssl3_callback_ctrl, \ 709 ssl3_ctx_callback_ctrl, \ 710 }; \ 711 return &func_name##_data; \ 712 } 713 714 void ssl_clear_cipher_ctx(SSL *s); 715 int ssl_clear_bad_session(SSL *s); 716 CERT *ssl_cert_new(void); 717 CERT *ssl_cert_dup(CERT *cert); 718 int ssl_cert_inst(CERT **o); 719 void ssl_cert_free(CERT *c); 720 SESS_CERT *ssl_sess_cert_new(void); 721 void ssl_sess_cert_free(SESS_CERT *sc); 722 int ssl_set_peer_cert_type(SESS_CERT *c, int type); 723 int ssl_get_new_session(SSL *s, int session); 724 int ssl_get_prev_session(SSL *s, unsigned char *session,int len, const unsigned char *limit); 725 int ssl_cipher_id_cmp(const SSL_CIPHER *a,const SSL_CIPHER *b); 726 int ssl_cipher_ptr_id_cmp(const SSL_CIPHER * const *ap, 727 const SSL_CIPHER * const *bp); 728 STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num, 729 STACK_OF(SSL_CIPHER) **skp); 730 int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p, 731 int (*put_cb)(const SSL_CIPHER *, unsigned char *)); 732 STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *meth, 733 STACK_OF(SSL_CIPHER) **pref, 734 STACK_OF(SSL_CIPHER) **sorted, 735 const char *rule_str); 736 void ssl_update_cache(SSL *s, int mode); 737 int ssl_cipher_get_evp(const SSL_SESSION *s,const EVP_CIPHER **enc, 738 const EVP_MD **md,SSL_COMP **comp); 739 int ssl_verify_cert_chain(SSL *s,STACK_OF(X509) *sk); 740 int ssl_undefined_function(SSL *s); 741 int ssl_undefined_void_function(void); 742 int ssl_undefined_const_function(const SSL *s); 743 X509 *ssl_get_server_send_cert(SSL *); 744 EVP_PKEY *ssl_get_sign_pkey(SSL *,SSL_CIPHER *); 745 int ssl_cert_type(X509 *x,EVP_PKEY *pkey); 746 void ssl_set_cert_masks(CERT *c, SSL_CIPHER *cipher); 747 STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s); 748 int ssl_verify_alarm_type(long type); 749 void ssl_load_ciphers(void); 750 751 int ssl2_enc_init(SSL *s, int client); 752 int ssl2_generate_key_material(SSL *s); 753 void ssl2_enc(SSL *s,int send_data); 754 void ssl2_mac(SSL *s,unsigned char *mac,int send_data); 755 SSL_CIPHER *ssl2_get_cipher_by_char(const unsigned char *p); 756 int ssl2_put_cipher_by_char(const SSL_CIPHER *c,unsigned char *p); 757 int ssl2_part_read(SSL *s, unsigned long f, int i); 758 int ssl2_do_write(SSL *s); 759 int ssl2_set_certificate(SSL *s, int type, int len, const unsigned char *data); 760 void ssl2_return_error(SSL *s,int reason); 761 void ssl2_write_error(SSL *s); 762 int ssl2_num_ciphers(void); 763 SSL_CIPHER *ssl2_get_cipher(unsigned int u); 764 int ssl2_new(SSL *s); 765 void ssl2_free(SSL *s); 766 int ssl2_accept(SSL *s); 767 int ssl2_connect(SSL *s); 768 int ssl2_read(SSL *s, void *buf, int len); 769 int ssl2_peek(SSL *s, void *buf, int len); 770 int ssl2_write(SSL *s, const void *buf, int len); 771 int ssl2_shutdown(SSL *s); 772 void ssl2_clear(SSL *s); 773 long ssl2_ctrl(SSL *s,int cmd, long larg, void *parg); 774 long ssl2_ctx_ctrl(SSL_CTX *s,int cmd, long larg, void *parg); 775 long ssl2_callback_ctrl(SSL *s,int cmd, void (*fp)(void)); 776 long ssl2_ctx_callback_ctrl(SSL_CTX *s,int cmd, void (*fp)(void)); 777 int ssl2_pending(const SSL *s); 778 long ssl2_default_timeout(void ); 779 780 SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p); 781 int ssl3_put_cipher_by_char(const SSL_CIPHER *c,unsigned char *p); 782 void ssl3_init_finished_mac(SSL *s); 783 int ssl3_send_server_certificate(SSL *s); 784 int ssl3_send_newsession_ticket(SSL *s); 785 int ssl3_send_cert_status(SSL *s); 786 int ssl3_get_finished(SSL *s,int state_a,int state_b); 787 int ssl3_setup_key_block(SSL *s); 788 int ssl3_send_change_cipher_spec(SSL *s,int state_a,int state_b); 789 int ssl3_change_cipher_state(SSL *s,int which); 790 void ssl3_cleanup_key_block(SSL *s); 791 int ssl3_do_write(SSL *s,int type); 792 int ssl3_send_alert(SSL *s,int level, int desc); 793 int ssl3_generate_master_secret(SSL *s, unsigned char *out, 794 unsigned char *p, int len); 795 int ssl3_get_req_cert_type(SSL *s,unsigned char *p); 796 long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok); 797 int ssl3_send_finished(SSL *s, int a, int b, const char *sender,int slen); 798 int ssl3_num_ciphers(void); 799 SSL_CIPHER *ssl3_get_cipher(unsigned int u); 800 int ssl3_renegotiate(SSL *ssl); 801 int ssl3_renegotiate_check(SSL *ssl); 802 int ssl3_dispatch_alert(SSL *s); 803 int ssl3_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek); 804 int ssl3_write_bytes(SSL *s, int type, const void *buf, int len); 805 int ssl3_final_finish_mac(SSL *s, EVP_MD_CTX *ctx1, EVP_MD_CTX *ctx2, 806 const char *sender, int slen,unsigned char *p); 807 int ssl3_cert_verify_mac(SSL *s, EVP_MD_CTX *in, unsigned char *p); 808 void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len); 809 int ssl3_enc(SSL *s, int send_data); 810 int ssl3_mac(SSL *ssl, unsigned char *md, int send_data); 811 unsigned long ssl3_output_cert_chain(SSL *s, X509 *x); 812 SSL_CIPHER *ssl3_choose_cipher(SSL *ssl,STACK_OF(SSL_CIPHER) *clnt, 813 STACK_OF(SSL_CIPHER) *srvr); 814 int ssl3_setup_buffers(SSL *s); 815 int ssl3_new(SSL *s); 816 void ssl3_free(SSL *s); 817 int ssl3_accept(SSL *s); 818 int ssl3_connect(SSL *s); 819 int ssl3_read(SSL *s, void *buf, int len); 820 int ssl3_peek(SSL *s, void *buf, int len); 821 int ssl3_write(SSL *s, const void *buf, int len); 822 int ssl3_shutdown(SSL *s); 823 void ssl3_clear(SSL *s); 824 long ssl3_ctrl(SSL *s,int cmd, long larg, void *parg); 825 long ssl3_ctx_ctrl(SSL_CTX *s,int cmd, long larg, void *parg); 826 long ssl3_callback_ctrl(SSL *s,int cmd, void (*fp)(void)); 827 long ssl3_ctx_callback_ctrl(SSL_CTX *s,int cmd, void (*fp)(void)); 828 int ssl3_pending(const SSL *s); 829 830 void ssl3_record_sequence_update(unsigned char *seq); 831 int ssl3_do_change_cipher_spec(SSL *ssl); 832 long ssl3_default_timeout(void ); 833 834 int ssl23_num_ciphers(void ); 835 SSL_CIPHER *ssl23_get_cipher(unsigned int u); 836 int ssl23_read(SSL *s, void *buf, int len); 837 int ssl23_peek(SSL *s, void *buf, int len); 838 int ssl23_write(SSL *s, const void *buf, int len); 839 int ssl23_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p); 840 SSL_CIPHER *ssl23_get_cipher_by_char(const unsigned char *p); 841 long ssl23_default_timeout(void ); 842 843 long tls1_default_timeout(void); 844 int dtls1_do_write(SSL *s,int type); 845 int ssl3_read_n(SSL *s, int n, int max, int extend); 846 int dtls1_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek); 847 int ssl3_do_compress(SSL *ssl); 848 int ssl3_do_uncompress(SSL *ssl); 849 int ssl3_write_pending(SSL *s, int type, const unsigned char *buf, 850 unsigned int len); 851 unsigned char *dtls1_set_message_header(SSL *s, 852 unsigned char *p, unsigned char mt, unsigned long len, 853 unsigned long frag_off, unsigned long frag_len); 854 855 int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf, int len); 856 int dtls1_write_bytes(SSL *s, int type, const void *buf, int len); 857 858 int dtls1_send_change_cipher_spec(SSL *s, int a, int b); 859 int dtls1_send_finished(SSL *s, int a, int b, const char *sender, int slen); 860 unsigned long dtls1_output_cert_chain(SSL *s, X509 *x); 861 int dtls1_read_failed(SSL *s, int code); 862 int dtls1_buffer_message(SSL *s, int ccs); 863 int dtls1_retransmit_message(SSL *s, unsigned short seq, 864 unsigned long frag_off, int *found); 865 int dtls1_get_queue_priority(unsigned short seq, int is_ccs); 866 int dtls1_retransmit_buffered_messages(SSL *s); 867 void dtls1_clear_record_buffer(SSL *s); 868 void dtls1_get_message_header(unsigned char *data, struct hm_header_st *msg_hdr); 869 void dtls1_get_ccs_header(unsigned char *data, struct ccs_header_st *ccs_hdr); 870 void dtls1_reset_seq_numbers(SSL *s, int rw); 871 long dtls1_default_timeout(void); 872 struct timeval* dtls1_get_timeout(SSL *s, struct timeval* timeleft); 873 int dtls1_handle_timeout(SSL *s); 874 SSL_CIPHER *dtls1_get_cipher(unsigned int u); 875 void dtls1_start_timer(SSL *s); 876 void dtls1_stop_timer(SSL *s); 877 int dtls1_is_timer_expired(SSL *s); 878 void dtls1_double_timeout(SSL *s); 879 int dtls1_send_newsession_ticket(SSL *s); 880 881 882 /* some client-only functions */ 883 int ssl3_client_hello(SSL *s); 884 int ssl3_get_server_hello(SSL *s); 885 int ssl3_get_certificate_request(SSL *s); 886 int ssl3_get_new_session_ticket(SSL *s); 887 int ssl3_get_cert_status(SSL *s); 888 int ssl3_get_server_done(SSL *s); 889 int ssl3_send_client_verify(SSL *s); 890 int ssl_do_client_cert_cb(SSL *s, X509 **px509, EVP_PKEY **ppkey); 891 int ssl3_send_client_certificate(SSL *s); 892 int ssl3_send_client_key_exchange(SSL *s); 893 int ssl3_get_key_exchange(SSL *s); 894 int ssl3_get_server_certificate(SSL *s); 895 int ssl3_check_cert_and_algorithm(SSL *s); 896 #ifndef OPENSSL_NO_TLSEXT 897 int ssl3_check_finished(SSL *s); 898 #endif 899 900 int dtls1_client_hello(SSL *s); 901 int dtls1_send_client_certificate(SSL *s); 902 int dtls1_send_client_key_exchange(SSL *s); 903 int dtls1_send_client_verify(SSL *s); 904 905 /* some server-only functions */ 906 int ssl3_get_client_hello(SSL *s); 907 int ssl3_send_server_hello(SSL *s); 908 int ssl3_send_hello_request(SSL *s); 909 int ssl3_send_server_key_exchange(SSL *s); 910 int ssl3_send_certificate_request(SSL *s); 911 int ssl3_send_server_done(SSL *s); 912 int ssl3_check_client_hello(SSL *s); 913 int ssl3_get_client_certificate(SSL *s); 914 int ssl3_get_client_key_exchange(SSL *s); 915 int ssl3_get_cert_verify(SSL *s); 916 917 int dtls1_send_hello_request(SSL *s); 918 int dtls1_send_server_hello(SSL *s); 919 int dtls1_send_server_certificate(SSL *s); 920 int dtls1_send_server_key_exchange(SSL *s); 921 int dtls1_send_certificate_request(SSL *s); 922 int dtls1_send_server_done(SSL *s); 923 924 925 926 int ssl23_accept(SSL *s); 927 int ssl23_connect(SSL *s); 928 int ssl23_read_bytes(SSL *s, int n); 929 int ssl23_write_bytes(SSL *s); 930 931 int tls1_new(SSL *s); 932 void tls1_free(SSL *s); 933 void tls1_clear(SSL *s); 934 long tls1_ctrl(SSL *s,int cmd, long larg, void *parg); 935 long tls1_callback_ctrl(SSL *s,int cmd, void (*fp)(void)); 936 SSL_METHOD *tlsv1_base_method(void ); 937 938 int dtls1_new(SSL *s); 939 int dtls1_accept(SSL *s); 940 int dtls1_connect(SSL *s); 941 void dtls1_free(SSL *s); 942 void dtls1_clear(SSL *s); 943 long dtls1_ctrl(SSL *s,int cmd, long larg, void *parg); 944 SSL_METHOD *dtlsv1_base_method(void ); 945 946 long dtls1_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok); 947 int dtls1_get_record(SSL *s); 948 int do_dtls1_write(SSL *s, int type, const unsigned char *buf, 949 unsigned int len, int create_empty_fragement); 950 int dtls1_dispatch_alert(SSL *s); 951 int dtls1_enc(SSL *s, int snd); 952 953 int ssl_init_wbio_buffer(SSL *s, int push); 954 void ssl_free_wbio_buffer(SSL *s); 955 956 int tls1_change_cipher_state(SSL *s, int which); 957 int tls1_setup_key_block(SSL *s); 958 int tls1_enc(SSL *s, int snd); 959 int tls1_final_finish_mac(SSL *s, EVP_MD_CTX *in1_ctx, EVP_MD_CTX *in2_ctx, 960 const char *str, int slen, unsigned char *p); 961 int tls1_cert_verify_mac(SSL *s, EVP_MD_CTX *in, unsigned char *p); 962 int tls1_mac(SSL *ssl, unsigned char *md, int snd); 963 int tls1_generate_master_secret(SSL *s, unsigned char *out, 964 unsigned char *p, int len); 965 int tls1_alert_code(int code); 966 int ssl3_alert_code(int code); 967 int ssl_ok(SSL *s); 968 969 int check_srvr_ecc_cert_and_alg(X509 *x, SSL_CIPHER *cs); 970 971 SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n); 972 973 #ifndef OPENSSL_NO_TLSEXT 974 unsigned char *ssl_add_clienthello_tlsext(SSL *s, unsigned char *p, unsigned char *limit); 975 unsigned char *ssl_add_serverhello_tlsext(SSL *s, unsigned char *p, unsigned char *limit); 976 int ssl_parse_clienthello_tlsext(SSL *s, unsigned char **data, unsigned char *d, int n, int *al); 977 int ssl_parse_serverhello_tlsext(SSL *s, unsigned char **data, unsigned char *d, int n, int *al); 978 int ssl_prepare_clienthello_tlsext(SSL *s); 979 int ssl_prepare_serverhello_tlsext(SSL *s); 980 int ssl_check_clienthello_tlsext(SSL *s); 981 int ssl_check_serverhello_tlsext(SSL *s); 982 983 #ifdef OPENSSL_NO_SHA256 984 #define tlsext_tick_md EVP_sha1 985 #else 986 #define tlsext_tick_md EVP_sha256 987 #endif 988 int tls1_process_ticket(SSL *s, unsigned char *session_id, int len, 989 const unsigned char *limit, SSL_SESSION **ret); 990 EVP_MD_CTX* ssl_replace_hash(EVP_MD_CTX **hash,const EVP_MD *md) ; 991 void ssl_clear_hash_ctx(EVP_MD_CTX **hash); 992 993 int ssl_add_serverhello_renegotiate_ext(SSL *s, unsigned char *p, int *len, 994 int maxlen); 995 int ssl_parse_serverhello_renegotiate_ext(SSL *s, unsigned char *d, int len, 996 int *al); 997 int ssl_add_clienthello_renegotiate_ext(SSL *s, unsigned char *p, int *len, 998 int maxlen); 999 int ssl_parse_clienthello_renegotiate_ext(SSL *s, unsigned char *d, int len, 1000 int *al); 1001 #endif 1002 1003 #endif 1004
