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) 1998-2007 The OpenSSL Project. All rights reserved. 60 * 61 * Redistribution and use in source and binary forms, with or without 62 * modification, are permitted provided that the following conditions 63 * are met: 64 * 65 * 1. Redistributions of source code must retain the above copyright 66 * notice, this list of conditions and the following disclaimer. 67 * 68 * 2. Redistributions in binary form must reproduce the above copyright 69 * notice, this list of conditions and the following disclaimer in 70 * the documentation and/or other materials provided with the 71 * distribution. 72 * 73 * 3. All advertising materials mentioning features or use of this 74 * software must display the following acknowledgment: 75 * "This product includes software developed by the OpenSSL Project 76 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" 77 * 78 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 79 * endorse or promote products derived from this software without 80 * prior written permission. For written permission, please contact 81 * openssl-core (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 * Copyright 2005 Nokia. All rights reserved. 118 * 119 * The portions of the attached software ("Contribution") is developed by 120 * Nokia Corporation and is licensed pursuant to the OpenSSL open source 121 * license. 122 * 123 * The Contribution, originally written by Mika Kousa and Pasi Eronen of 124 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites 125 * support (see RFC 4279) to OpenSSL. 126 * 127 * No patent licenses or other rights except those expressly stated in 128 * the OpenSSL open source license shall be deemed granted or received 129 * expressly, by implication, estoppel, or otherwise. 130 * 131 * No assurances are provided by Nokia that the Contribution does not 132 * infringe the patent or other intellectual property rights of any third 133 * party or that the license provides you with all the necessary rights 134 * to make use of the Contribution. 135 * 136 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN 137 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA 138 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY 139 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR 140 * OTHERWISE. 141 */ 142 143 #ifndef HEADER_SSL_LOCL_H 144 #define HEADER_SSL_LOCL_H 145 #include <stdlib.h> 146 #include <time.h> 147 #include <string.h> 148 #include <errno.h> 149 150 #include "e_os.h" 151 152 #include <openssl/buffer.h> 153 #ifndef OPENSSL_NO_COMP 154 #include <openssl/comp.h> 155 #endif 156 #include <openssl/bio.h> 157 #include <openssl/stack.h> 158 #ifndef OPENSSL_NO_RSA 159 #include <openssl/rsa.h> 160 #endif 161 #ifndef OPENSSL_NO_DSA 162 #include <openssl/dsa.h> 163 #endif 164 #include <openssl/err.h> 165 #include <openssl/ssl.h> 166 #include <openssl/symhacks.h> 167 168 #ifdef OPENSSL_BUILD_SHLIBSSL 169 # undef OPENSSL_EXTERN 170 # define OPENSSL_EXTERN OPENSSL_EXPORT 171 #endif 172 173 #undef PKCS1_CHECK 174 175 #define c2l(c,l) (l = ((unsigned long)(*((c)++))) , \ 176 l|=(((unsigned long)(*((c)++)))<< 8), \ 177 l|=(((unsigned long)(*((c)++)))<<16), \ 178 l|=(((unsigned long)(*((c)++)))<<24)) 179 180 /* NOTE - c is not incremented as per c2l */ 181 #define c2ln(c,l1,l2,n) { \ 182 c+=n; \ 183 l1=l2=0; \ 184 switch (n) { \ 185 case 8: l2 =((unsigned long)(*(--(c))))<<24; \ 186 case 7: l2|=((unsigned long)(*(--(c))))<<16; \ 187 case 6: l2|=((unsigned long)(*(--(c))))<< 8; \ 188 case 5: l2|=((unsigned long)(*(--(c)))); \ 189 case 4: l1 =((unsigned long)(*(--(c))))<<24; \ 190 case 3: l1|=((unsigned long)(*(--(c))))<<16; \ 191 case 2: l1|=((unsigned long)(*(--(c))))<< 8; \ 192 case 1: l1|=((unsigned long)(*(--(c)))); \ 193 } \ 194 } 195 196 #define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \ 197 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ 198 *((c)++)=(unsigned char)(((l)>>16)&0xff), \ 199 *((c)++)=(unsigned char)(((l)>>24)&0xff)) 200 201 #define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24, \ 202 l|=((unsigned long)(*((c)++)))<<16, \ 203 l|=((unsigned long)(*((c)++)))<< 8, \ 204 l|=((unsigned long)(*((c)++)))) 205 206 #define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24)&0xff), \ 207 *((c)++)=(unsigned char)(((l)>>16)&0xff), \ 208 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ 209 *((c)++)=(unsigned char)(((l) )&0xff)) 210 211 #define l2n6(l,c) (*((c)++)=(unsigned char)(((l)>>40)&0xff), \ 212 *((c)++)=(unsigned char)(((l)>>32)&0xff), \ 213 *((c)++)=(unsigned char)(((l)>>24)&0xff), \ 214 *((c)++)=(unsigned char)(((l)>>16)&0xff), \ 215 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ 216 *((c)++)=(unsigned char)(((l) )&0xff)) 217 218 #define n2l6(c,l) (l =((BN_ULLONG)(*((c)++)))<<40, \ 219 l|=((BN_ULLONG)(*((c)++)))<<32, \ 220 l|=((BN_ULLONG)(*((c)++)))<<24, \ 221 l|=((BN_ULLONG)(*((c)++)))<<16, \ 222 l|=((BN_ULLONG)(*((c)++)))<< 8, \ 223 l|=((BN_ULLONG)(*((c)++)))) 224 225 /* NOTE - c is not incremented as per l2c */ 226 #define l2cn(l1,l2,c,n) { \ 227 c+=n; \ 228 switch (n) { \ 229 case 8: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \ 230 case 7: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \ 231 case 6: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \ 232 case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \ 233 case 4: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \ 234 case 3: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \ 235 case 2: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \ 236 case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \ 237 } \ 238 } 239 240 #define n2s(c,s) ((s=(((unsigned int)(c[0]))<< 8)| \ 241 (((unsigned int)(c[1])) )),c+=2) 242 #define s2n(s,c) ((c[0]=(unsigned char)(((s)>> 8)&0xff), \ 243 c[1]=(unsigned char)(((s) )&0xff)),c+=2) 244 245 #define n2l3(c,l) ((l =(((unsigned long)(c[0]))<<16)| \ 246 (((unsigned long)(c[1]))<< 8)| \ 247 (((unsigned long)(c[2])) )),c+=3) 248 249 #define l2n3(l,c) ((c[0]=(unsigned char)(((l)>>16)&0xff), \ 250 c[1]=(unsigned char)(((l)>> 8)&0xff), \ 251 c[2]=(unsigned char)(((l) )&0xff)),c+=3) 252 253 /* LOCAL STUFF */ 254 255 #define SSL_DECRYPT 0 256 #define SSL_ENCRYPT 1 257 258 #define TWO_BYTE_BIT 0x80 259 #define SEC_ESC_BIT 0x40 260 #define TWO_BYTE_MASK 0x7fff 261 #define THREE_BYTE_MASK 0x3fff 262 263 #define INC32(a) ((a)=((a)+1)&0xffffffffL) 264 #define DEC32(a) ((a)=((a)-1)&0xffffffffL) 265 #define MAX_MAC_SIZE 20 /* up from 16 for SSLv3 */ 266 267 /* 268 * Define the Bitmasks for SSL_CIPHER.algorithms. 269 * This bits are used packed as dense as possible. If new methods/ciphers 270 * etc will be added, the bits a likely to change, so this information 271 * is for internal library use only, even though SSL_CIPHER.algorithms 272 * can be publicly accessed. 273 * Use the according functions for cipher management instead. 274 * 275 * The bit mask handling in the selection and sorting scheme in 276 * ssl_create_cipher_list() has only limited capabilities, reflecting 277 * that the different entities within are mutually exclusive: 278 * ONLY ONE BIT PER MASK CAN BE SET AT A TIME. 279 */ 280 281 /* Bits for algorithm_mkey (key exchange algorithm) */ 282 #define SSL_kRSA 0x00000001L /* RSA key exchange */ 283 #define SSL_kDHr 0x00000002L /* DH cert, RSA CA cert */ /* no such ciphersuites supported! */ 284 #define SSL_kDHd 0x00000004L /* DH cert, DSA CA cert */ /* no such ciphersuite supported! */ 285 #define SSL_kEDH 0x00000008L /* tmp DH key no DH cert */ 286 #define SSL_kKRB5 0x00000010L /* Kerberos5 key exchange */ 287 #define SSL_kECDHr 0x00000020L /* ECDH cert, RSA CA cert */ 288 #define SSL_kECDHe 0x00000040L /* ECDH cert, ECDSA CA cert */ 289 #define SSL_kEECDH 0x00000080L /* ephemeral ECDH */ 290 #define SSL_kPSK 0x00000100L /* PSK */ 291 #define SSL_kGOST 0x00000200L /* GOST key exchange */ 292 #define SSL_kSRP 0x00000400L /* SRP */ 293 294 /* Bits for algorithm_auth (server authentication) */ 295 #define SSL_aRSA 0x00000001L /* RSA auth */ 296 #define SSL_aDSS 0x00000002L /* DSS auth */ 297 #define SSL_aNULL 0x00000004L /* no auth (i.e. use ADH or AECDH) */ 298 #define SSL_aDH 0x00000008L /* Fixed DH auth (kDHd or kDHr) */ /* no such ciphersuites supported! */ 299 #define SSL_aECDH 0x00000010L /* Fixed ECDH auth (kECDHe or kECDHr) */ 300 #define SSL_aKRB5 0x00000020L /* KRB5 auth */ 301 #define SSL_aECDSA 0x00000040L /* ECDSA auth*/ 302 #define SSL_aPSK 0x00000080L /* PSK auth */ 303 #define SSL_aGOST94 0x00000100L /* GOST R 34.10-94 signature auth */ 304 #define SSL_aGOST01 0x00000200L /* GOST R 34.10-2001 signature auth */ 305 306 307 /* Bits for algorithm_enc (symmetric encryption) */ 308 #define SSL_DES 0x00000001L 309 #define SSL_3DES 0x00000002L 310 #define SSL_RC4 0x00000004L 311 #define SSL_RC2 0x00000008L 312 #define SSL_IDEA 0x00000010L 313 #define SSL_eNULL 0x00000020L 314 #define SSL_AES128 0x00000040L 315 #define SSL_AES256 0x00000080L 316 #define SSL_CAMELLIA128 0x00000100L 317 #define SSL_CAMELLIA256 0x00000200L 318 #define SSL_eGOST2814789CNT 0x00000400L 319 #define SSL_SEED 0x00000800L 320 #define SSL_AES128GCM 0x00001000L 321 #define SSL_AES256GCM 0x00002000L 322 323 #define SSL_AES (SSL_AES128|SSL_AES256|SSL_AES128GCM|SSL_AES256GCM) 324 #define SSL_CAMELLIA (SSL_CAMELLIA128|SSL_CAMELLIA256) 325 326 327 /* Bits for algorithm_mac (symmetric authentication) */ 328 329 #define SSL_MD5 0x00000001L 330 #define SSL_SHA1 0x00000002L 331 #define SSL_GOST94 0x00000004L 332 #define SSL_GOST89MAC 0x00000008L 333 #define SSL_SHA256 0x00000010L 334 #define SSL_SHA384 0x00000020L 335 /* Not a real MAC, just an indication it is part of cipher */ 336 #define SSL_AEAD 0x00000040L 337 338 /* Bits for algorithm_ssl (protocol version) */ 339 #define SSL_SSLV2 0x00000001L 340 #define SSL_SSLV3 0x00000002L 341 #define SSL_TLSV1 SSL_SSLV3 /* for now */ 342 #define SSL_TLSV1_2 0x00000004L 343 344 345 /* Bits for algorithm2 (handshake digests and other extra flags) */ 346 347 #define SSL_HANDSHAKE_MAC_MD5 0x10 348 #define SSL_HANDSHAKE_MAC_SHA 0x20 349 #define SSL_HANDSHAKE_MAC_GOST94 0x40 350 #define SSL_HANDSHAKE_MAC_SHA256 0x80 351 #define SSL_HANDSHAKE_MAC_SHA384 0x100 352 #define SSL_HANDSHAKE_MAC_DEFAULT (SSL_HANDSHAKE_MAC_MD5 | SSL_HANDSHAKE_MAC_SHA) 353 354 /* When adding new digest in the ssl_ciph.c and increment SSM_MD_NUM_IDX 355 * make sure to update this constant too */ 356 #define SSL_MAX_DIGEST 6 357 358 #define TLS1_PRF_DGST_MASK (0xff << TLS1_PRF_DGST_SHIFT) 359 360 #define TLS1_PRF_DGST_SHIFT 10 361 #define TLS1_PRF_MD5 (SSL_HANDSHAKE_MAC_MD5 << TLS1_PRF_DGST_SHIFT) 362 #define TLS1_PRF_SHA1 (SSL_HANDSHAKE_MAC_SHA << TLS1_PRF_DGST_SHIFT) 363 #define TLS1_PRF_SHA256 (SSL_HANDSHAKE_MAC_SHA256 << TLS1_PRF_DGST_SHIFT) 364 #define TLS1_PRF_SHA384 (SSL_HANDSHAKE_MAC_SHA384 << TLS1_PRF_DGST_SHIFT) 365 #define TLS1_PRF_GOST94 (SSL_HANDSHAKE_MAC_GOST94 << TLS1_PRF_DGST_SHIFT) 366 #define TLS1_PRF (TLS1_PRF_MD5 | TLS1_PRF_SHA1) 367 368 /* Stream MAC for GOST ciphersuites from cryptopro draft 369 * (currently this also goes into algorithm2) */ 370 #define TLS1_STREAM_MAC 0x04 371 372 373 374 /* 375 * Export and cipher strength information. For each cipher we have to decide 376 * whether it is exportable or not. This information is likely to change 377 * over time, since the export control rules are no static technical issue. 378 * 379 * Independent of the export flag the cipher strength is sorted into classes. 380 * SSL_EXP40 was denoting the 40bit US export limit of past times, which now 381 * is at 56bit (SSL_EXP56). If the exportable cipher class is going to change 382 * again (eg. to 64bit) the use of "SSL_EXP*" becomes blurred even more, 383 * since SSL_EXP64 could be similar to SSL_LOW. 384 * For this reason SSL_MICRO and SSL_MINI macros are included to widen the 385 * namespace of SSL_LOW-SSL_HIGH to lower values. As development of speed 386 * and ciphers goes, another extension to SSL_SUPER and/or SSL_ULTRA would 387 * be possible. 388 */ 389 #define SSL_EXP_MASK 0x00000003L 390 #define SSL_STRONG_MASK 0x000001fcL 391 392 #define SSL_NOT_EXP 0x00000001L 393 #define SSL_EXPORT 0x00000002L 394 395 #define SSL_STRONG_NONE 0x00000004L 396 #define SSL_EXP40 0x00000008L 397 #define SSL_MICRO (SSL_EXP40) 398 #define SSL_EXP56 0x00000010L 399 #define SSL_MINI (SSL_EXP56) 400 #define SSL_LOW 0x00000020L 401 #define SSL_MEDIUM 0x00000040L 402 #define SSL_HIGH 0x00000080L 403 #define SSL_FIPS 0x00000100L 404 405 /* we have used 000001ff - 23 bits left to go */ 406 407 /* 408 * Macros to check the export status and cipher strength for export ciphers. 409 * Even though the macros for EXPORT and EXPORT40/56 have similar names, 410 * their meaning is different: 411 * *_EXPORT macros check the 'exportable' status. 412 * *_EXPORT40/56 macros are used to check whether a certain cipher strength 413 * is given. 414 * Since the SSL_IS_EXPORT* and SSL_EXPORT* macros depend on the correct 415 * algorithm structure element to be passed (algorithms, algo_strength) and no 416 * typechecking can be done as they are all of type unsigned long, their 417 * direct usage is discouraged. 418 * Use the SSL_C_* macros instead. 419 */ 420 #define SSL_IS_EXPORT(a) ((a)&SSL_EXPORT) 421 #define SSL_IS_EXPORT56(a) ((a)&SSL_EXP56) 422 #define SSL_IS_EXPORT40(a) ((a)&SSL_EXP40) 423 #define SSL_C_IS_EXPORT(c) SSL_IS_EXPORT((c)->algo_strength) 424 #define SSL_C_IS_EXPORT56(c) SSL_IS_EXPORT56((c)->algo_strength) 425 #define SSL_C_IS_EXPORT40(c) SSL_IS_EXPORT40((c)->algo_strength) 426 427 #define SSL_EXPORT_KEYLENGTH(a,s) (SSL_IS_EXPORT40(s) ? 5 : \ 428 (a) == SSL_DES ? 8 : 7) 429 #define SSL_EXPORT_PKEYLENGTH(a) (SSL_IS_EXPORT40(a) ? 512 : 1024) 430 #define SSL_C_EXPORT_KEYLENGTH(c) SSL_EXPORT_KEYLENGTH((c)->algorithm_enc, \ 431 (c)->algo_strength) 432 #define SSL_C_EXPORT_PKEYLENGTH(c) SSL_EXPORT_PKEYLENGTH((c)->algo_strength) 433 434 435 436 437 /* Mostly for SSLv3 */ 438 #define SSL_PKEY_RSA_ENC 0 439 #define SSL_PKEY_RSA_SIGN 1 440 #define SSL_PKEY_DSA_SIGN 2 441 #define SSL_PKEY_DH_RSA 3 442 #define SSL_PKEY_DH_DSA 4 443 #define SSL_PKEY_ECC 5 444 #define SSL_PKEY_GOST94 6 445 #define SSL_PKEY_GOST01 7 446 #define SSL_PKEY_NUM 8 447 448 /* SSL_kRSA <- RSA_ENC | (RSA_TMP & RSA_SIGN) | 449 * <- (EXPORT & (RSA_ENC | RSA_TMP) & RSA_SIGN) 450 * SSL_kDH <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN) 451 * SSL_kEDH <- RSA_ENC | RSA_SIGN | DSA_SIGN 452 * SSL_aRSA <- RSA_ENC | RSA_SIGN 453 * SSL_aDSS <- DSA_SIGN 454 */ 455 456 /* 457 #define CERT_INVALID 0 458 #define CERT_PUBLIC_KEY 1 459 #define CERT_PRIVATE_KEY 2 460 */ 461 462 #ifndef OPENSSL_NO_EC 463 /* From ECC-TLS draft, used in encoding the curve type in 464 * ECParameters 465 */ 466 #define EXPLICIT_PRIME_CURVE_TYPE 1 467 #define EXPLICIT_CHAR2_CURVE_TYPE 2 468 #define NAMED_CURVE_TYPE 3 469 #endif /* OPENSSL_NO_EC */ 470 471 typedef struct cert_pkey_st 472 { 473 X509 *x509; 474 STACK_OF(X509) *cert_chain; 475 EVP_PKEY *privatekey; 476 /* Digest to use when signing */ 477 const EVP_MD *digest; 478 } CERT_PKEY; 479 480 typedef struct cert_st 481 { 482 /* Current active set */ 483 CERT_PKEY *key; /* ALWAYS points to an element of the pkeys array 484 * Probably it would make more sense to store 485 * an index, not a pointer. */ 486 487 /* The following masks are for the key and auth 488 * algorithms that are supported by the certs below */ 489 int valid; 490 unsigned long mask_k; 491 unsigned long mask_a; 492 unsigned long export_mask_k; 493 unsigned long export_mask_a; 494 #ifndef OPENSSL_NO_RSA 495 RSA *rsa_tmp; 496 RSA *(*rsa_tmp_cb)(SSL *ssl,int is_export,int keysize); 497 #endif 498 #ifndef OPENSSL_NO_DH 499 DH *dh_tmp; 500 DH *(*dh_tmp_cb)(SSL *ssl,int is_export,int keysize); 501 #endif 502 #ifndef OPENSSL_NO_ECDH 503 EC_KEY *ecdh_tmp; 504 /* Callback for generating ephemeral ECDH keys */ 505 EC_KEY *(*ecdh_tmp_cb)(SSL *ssl,int is_export,int keysize); 506 #endif 507 508 CERT_PKEY pkeys[SSL_PKEY_NUM]; 509 510 int references; /* >1 only if SSL_copy_session_id is used */ 511 } CERT; 512 513 514 typedef struct sess_cert_st 515 { 516 STACK_OF(X509) *cert_chain; /* as received from peer (not for SSL2) */ 517 518 /* The 'peer_...' members are used only by clients. */ 519 int peer_cert_type; 520 521 CERT_PKEY *peer_key; /* points to an element of peer_pkeys (never NULL!) */ 522 CERT_PKEY peer_pkeys[SSL_PKEY_NUM]; 523 /* Obviously we don't have the private keys of these, 524 * so maybe we shouldn't even use the CERT_PKEY type here. */ 525 526 #ifndef OPENSSL_NO_RSA 527 RSA *peer_rsa_tmp; /* not used for SSL 2 */ 528 #endif 529 #ifndef OPENSSL_NO_DH 530 DH *peer_dh_tmp; /* not used for SSL 2 */ 531 #endif 532 #ifndef OPENSSL_NO_ECDH 533 EC_KEY *peer_ecdh_tmp; 534 #endif 535 536 int references; /* actually always 1 at the moment */ 537 } SESS_CERT; 538 539 540 /*#define MAC_DEBUG */ 541 542 /*#define ERR_DEBUG */ 543 /*#define ABORT_DEBUG */ 544 /*#define PKT_DEBUG 1 */ 545 /*#define DES_DEBUG */ 546 /*#define DES_OFB_DEBUG */ 547 /*#define SSL_DEBUG */ 548 /*#define RSA_DEBUG */ 549 /*#define IDEA_DEBUG */ 550 551 #define FP_ICC (int (*)(const void *,const void *)) 552 #define ssl_put_cipher_by_char(ssl,ciph,ptr) \ 553 ((ssl)->method->put_cipher_by_char((ciph),(ptr))) 554 #define ssl_get_cipher_by_char(ssl,ptr) \ 555 ((ssl)->method->get_cipher_by_char(ptr)) 556 557 /* This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff 558 * It is a bit of a mess of functions, but hell, think of it as 559 * an opaque structure :-) */ 560 typedef struct ssl3_enc_method 561 { 562 int (*enc)(SSL *, int); 563 int (*mac)(SSL *, unsigned char *, int); 564 int (*setup_key_block)(SSL *); 565 int (*generate_master_secret)(SSL *, unsigned char *, unsigned char *, int); 566 int (*change_cipher_state)(SSL *, int); 567 int (*final_finish_mac)(SSL *, const char *, int, unsigned char *); 568 int finish_mac_length; 569 int (*cert_verify_mac)(SSL *, int, unsigned char *); 570 const char *client_finished_label; 571 int client_finished_label_len; 572 const char *server_finished_label; 573 int server_finished_label_len; 574 int (*alert_value)(int); 575 int (*export_keying_material)(SSL *, unsigned char *, size_t, 576 const char *, size_t, 577 const unsigned char *, size_t, 578 int use_context); 579 } SSL3_ENC_METHOD; 580 581 #ifndef OPENSSL_NO_COMP 582 /* Used for holding the relevant compression methods loaded into SSL_CTX */ 583 typedef struct ssl3_comp_st 584 { 585 int comp_id; /* The identifier byte for this compression type */ 586 char *name; /* Text name used for the compression type */ 587 COMP_METHOD *method; /* The method :-) */ 588 } SSL3_COMP; 589 #endif 590 591 #ifndef OPENSSL_NO_BUF_FREELISTS 592 typedef struct ssl3_buf_freelist_st 593 { 594 size_t chunklen; 595 unsigned int len; 596 struct ssl3_buf_freelist_entry_st *head; 597 } SSL3_BUF_FREELIST; 598 599 typedef struct ssl3_buf_freelist_entry_st 600 { 601 struct ssl3_buf_freelist_entry_st *next; 602 } SSL3_BUF_FREELIST_ENTRY; 603 #endif 604 605 extern SSL3_ENC_METHOD ssl3_undef_enc_method; 606 OPENSSL_EXTERN const SSL_CIPHER ssl2_ciphers[]; 607 OPENSSL_EXTERN SSL_CIPHER ssl3_ciphers[]; 608 609 610 SSL_METHOD *ssl_bad_method(int ver); 611 612 extern SSL3_ENC_METHOD TLSv1_enc_data; 613 extern SSL3_ENC_METHOD SSLv3_enc_data; 614 extern SSL3_ENC_METHOD DTLSv1_enc_data; 615 616 #define IMPLEMENT_tls_meth_func(version, func_name, s_accept, s_connect, \ 617 s_get_meth) \ 618 const SSL_METHOD *func_name(void) \ 619 { \ 620 static const SSL_METHOD func_name##_data= { \ 621 version, \ 622 tls1_new, \ 623 tls1_clear, \ 624 tls1_free, \ 625 s_accept, \ 626 s_connect, \ 627 ssl3_read, \ 628 ssl3_peek, \ 629 ssl3_write, \ 630 ssl3_shutdown, \ 631 ssl3_renegotiate, \ 632 ssl3_renegotiate_check, \ 633 ssl3_get_message, \ 634 ssl3_read_bytes, \ 635 ssl3_write_bytes, \ 636 ssl3_dispatch_alert, \ 637 ssl3_ctrl, \ 638 ssl3_ctx_ctrl, \ 639 ssl3_get_cipher_by_char, \ 640 ssl3_put_cipher_by_char, \ 641 ssl3_pending, \ 642 ssl3_num_ciphers, \ 643 ssl3_get_cipher, \ 644 s_get_meth, \ 645 tls1_default_timeout, \ 646 &TLSv1_enc_data, \ 647 ssl_undefined_void_function, \ 648 ssl3_callback_ctrl, \ 649 ssl3_ctx_callback_ctrl, \ 650 }; \ 651 return &func_name##_data; \ 652 } 653 654 #define IMPLEMENT_ssl3_meth_func(func_name, s_accept, s_connect, s_get_meth) \ 655 const SSL_METHOD *func_name(void) \ 656 { \ 657 static const SSL_METHOD func_name##_data= { \ 658 SSL3_VERSION, \ 659 ssl3_new, \ 660 ssl3_clear, \ 661 ssl3_free, \ 662 s_accept, \ 663 s_connect, \ 664 ssl3_read, \ 665 ssl3_peek, \ 666 ssl3_write, \ 667 ssl3_shutdown, \ 668 ssl3_renegotiate, \ 669 ssl3_renegotiate_check, \ 670 ssl3_get_message, \ 671 ssl3_read_bytes, \ 672 ssl3_write_bytes, \ 673 ssl3_dispatch_alert, \ 674 ssl3_ctrl, \ 675 ssl3_ctx_ctrl, \ 676 ssl3_get_cipher_by_char, \ 677 ssl3_put_cipher_by_char, \ 678 ssl3_pending, \ 679 ssl3_num_ciphers, \ 680 ssl3_get_cipher, \ 681 s_get_meth, \ 682 ssl3_default_timeout, \ 683 &SSLv3_enc_data, \ 684 ssl_undefined_void_function, \ 685 ssl3_callback_ctrl, \ 686 ssl3_ctx_callback_ctrl, \ 687 }; \ 688 return &func_name##_data; \ 689 } 690 691 #define IMPLEMENT_ssl23_meth_func(func_name, s_accept, s_connect, s_get_meth) \ 692 const SSL_METHOD *func_name(void) \ 693 { \ 694 static const SSL_METHOD func_name##_data= { \ 695 TLS1_2_VERSION, \ 696 tls1_new, \ 697 tls1_clear, \ 698 tls1_free, \ 699 s_accept, \ 700 s_connect, \ 701 ssl23_read, \ 702 ssl23_peek, \ 703 ssl23_write, \ 704 ssl_undefined_function, \ 705 ssl_undefined_function, \ 706 ssl_ok, \ 707 ssl3_get_message, \ 708 ssl3_read_bytes, \ 709 ssl3_write_bytes, \ 710 ssl3_dispatch_alert, \ 711 ssl3_ctrl, \ 712 ssl3_ctx_ctrl, \ 713 ssl23_get_cipher_by_char, \ 714 ssl23_put_cipher_by_char, \ 715 ssl_undefined_const_function, \ 716 ssl23_num_ciphers, \ 717 ssl23_get_cipher, \ 718 s_get_meth, \ 719 ssl23_default_timeout, \ 720 &ssl3_undef_enc_method, \ 721 ssl_undefined_void_function, \ 722 ssl3_callback_ctrl, \ 723 ssl3_ctx_callback_ctrl, \ 724 }; \ 725 return &func_name##_data; \ 726 } 727 728 #define IMPLEMENT_ssl2_meth_func(func_name, s_accept, s_connect, s_get_meth) \ 729 const SSL_METHOD *func_name(void) \ 730 { \ 731 static const SSL_METHOD func_name##_data= { \ 732 SSL2_VERSION, \ 733 ssl2_new, /* local */ \ 734 ssl2_clear, /* local */ \ 735 ssl2_free, /* local */ \ 736 s_accept, \ 737 s_connect, \ 738 ssl2_read, \ 739 ssl2_peek, \ 740 ssl2_write, \ 741 ssl2_shutdown, \ 742 ssl_ok, /* NULL - renegotiate */ \ 743 ssl_ok, /* NULL - check renegotiate */ \ 744 NULL, /* NULL - ssl_get_message */ \ 745 NULL, /* NULL - ssl_get_record */ \ 746 NULL, /* NULL - ssl_write_bytes */ \ 747 NULL, /* NULL - dispatch_alert */ \ 748 ssl2_ctrl, /* local */ \ 749 ssl2_ctx_ctrl, /* local */ \ 750 ssl2_get_cipher_by_char, \ 751 ssl2_put_cipher_by_char, \ 752 ssl2_pending, \ 753 ssl2_num_ciphers, \ 754 ssl2_get_cipher, \ 755 s_get_meth, \ 756 ssl2_default_timeout, \ 757 &ssl3_undef_enc_method, \ 758 ssl_undefined_void_function, \ 759 ssl2_callback_ctrl, /* local */ \ 760 ssl2_ctx_callback_ctrl, /* local */ \ 761 }; \ 762 return &func_name##_data; \ 763 } 764 765 #define IMPLEMENT_dtls1_meth_func(func_name, s_accept, s_connect, s_get_meth) \ 766 const SSL_METHOD *func_name(void) \ 767 { \ 768 static const SSL_METHOD func_name##_data= { \ 769 DTLS1_VERSION, \ 770 dtls1_new, \ 771 dtls1_clear, \ 772 dtls1_free, \ 773 s_accept, \ 774 s_connect, \ 775 ssl3_read, \ 776 ssl3_peek, \ 777 ssl3_write, \ 778 dtls1_shutdown, \ 779 ssl3_renegotiate, \ 780 ssl3_renegotiate_check, \ 781 dtls1_get_message, \ 782 dtls1_read_bytes, \ 783 dtls1_write_app_data_bytes, \ 784 dtls1_dispatch_alert, \ 785 dtls1_ctrl, \ 786 ssl3_ctx_ctrl, \ 787 ssl3_get_cipher_by_char, \ 788 ssl3_put_cipher_by_char, \ 789 ssl3_pending, \ 790 ssl3_num_ciphers, \ 791 dtls1_get_cipher, \ 792 s_get_meth, \ 793 dtls1_default_timeout, \ 794 &DTLSv1_enc_data, \ 795 ssl_undefined_void_function, \ 796 ssl3_callback_ctrl, \ 797 ssl3_ctx_callback_ctrl, \ 798 }; \ 799 return &func_name##_data; \ 800 } 801 802 void ssl_clear_cipher_ctx(SSL *s); 803 int ssl_clear_bad_session(SSL *s); 804 CERT *ssl_cert_new(void); 805 CERT *ssl_cert_dup(CERT *cert); 806 int ssl_cert_inst(CERT **o); 807 void ssl_cert_free(CERT *c); 808 SESS_CERT *ssl_sess_cert_new(void); 809 void ssl_sess_cert_free(SESS_CERT *sc); 810 int ssl_set_peer_cert_type(SESS_CERT *c, int type); 811 int ssl_get_new_session(SSL *s, int session); 812 int ssl_get_prev_session(SSL *s, unsigned char *session,int len, const unsigned char *limit); 813 int ssl_cipher_id_cmp(const SSL_CIPHER *a,const SSL_CIPHER *b); 814 DECLARE_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, 815 ssl_cipher_id); 816 int ssl_cipher_ptr_id_cmp(const SSL_CIPHER * const *ap, 817 const SSL_CIPHER * const *bp); 818 STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num, 819 STACK_OF(SSL_CIPHER) **skp); 820 int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p, 821 int (*put_cb)(const SSL_CIPHER *, unsigned char *)); 822 STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *meth, 823 STACK_OF(SSL_CIPHER) **pref, 824 STACK_OF(SSL_CIPHER) **sorted, 825 const char *rule_str); 826 void ssl_update_cache(SSL *s, int mode); 827 int ssl_cipher_get_evp(const SSL_SESSION *s,const EVP_CIPHER **enc, 828 const EVP_MD **md,int *mac_pkey_type,int *mac_secret_size, SSL_COMP **comp); 829 int ssl_get_handshake_digest(int i,long *mask,const EVP_MD **md); 830 int ssl_verify_cert_chain(SSL *s,STACK_OF(X509) *sk); 831 int ssl_undefined_function(SSL *s); 832 int ssl_undefined_void_function(void); 833 int ssl_undefined_const_function(const SSL *s); 834 X509 *ssl_get_server_send_cert(SSL *); 835 EVP_PKEY *ssl_get_sign_pkey(SSL *s,const SSL_CIPHER *c, const EVP_MD **pmd); 836 int ssl_cert_type(X509 *x,EVP_PKEY *pkey); 837 void ssl_set_cert_masks(CERT *c, const SSL_CIPHER *cipher); 838 STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s); 839 int ssl_verify_alarm_type(long type); 840 void ssl_load_ciphers(void); 841 842 int ssl2_enc_init(SSL *s, int client); 843 int ssl2_generate_key_material(SSL *s); 844 void ssl2_enc(SSL *s,int send_data); 845 void ssl2_mac(SSL *s,unsigned char *mac,int send_data); 846 const SSL_CIPHER *ssl2_get_cipher_by_char(const unsigned char *p); 847 int ssl2_put_cipher_by_char(const SSL_CIPHER *c,unsigned char *p); 848 int ssl2_part_read(SSL *s, unsigned long f, int i); 849 int ssl2_do_write(SSL *s); 850 int ssl2_set_certificate(SSL *s, int type, int len, const unsigned char *data); 851 void ssl2_return_error(SSL *s,int reason); 852 void ssl2_write_error(SSL *s); 853 int ssl2_num_ciphers(void); 854 const SSL_CIPHER *ssl2_get_cipher(unsigned int u); 855 int ssl2_new(SSL *s); 856 void ssl2_free(SSL *s); 857 int ssl2_accept(SSL *s); 858 int ssl2_connect(SSL *s); 859 int ssl2_read(SSL *s, void *buf, int len); 860 int ssl2_peek(SSL *s, void *buf, int len); 861 int ssl2_write(SSL *s, const void *buf, int len); 862 int ssl2_shutdown(SSL *s); 863 void ssl2_clear(SSL *s); 864 long ssl2_ctrl(SSL *s,int cmd, long larg, void *parg); 865 long ssl2_ctx_ctrl(SSL_CTX *s,int cmd, long larg, void *parg); 866 long ssl2_callback_ctrl(SSL *s,int cmd, void (*fp)(void)); 867 long ssl2_ctx_callback_ctrl(SSL_CTX *s,int cmd, void (*fp)(void)); 868 int ssl2_pending(const SSL *s); 869 long ssl2_default_timeout(void ); 870 871 const SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p); 872 int ssl3_put_cipher_by_char(const SSL_CIPHER *c,unsigned char *p); 873 void ssl3_init_finished_mac(SSL *s); 874 int ssl3_send_server_certificate(SSL *s); 875 int ssl3_send_newsession_ticket(SSL *s); 876 int ssl3_send_cert_status(SSL *s); 877 int ssl3_get_finished(SSL *s,int state_a,int state_b); 878 int ssl3_setup_key_block(SSL *s); 879 int ssl3_send_change_cipher_spec(SSL *s,int state_a,int state_b); 880 int ssl3_change_cipher_state(SSL *s,int which); 881 void ssl3_cleanup_key_block(SSL *s); 882 int ssl3_do_write(SSL *s,int type); 883 int ssl3_send_alert(SSL *s,int level, int desc); 884 int ssl3_generate_master_secret(SSL *s, unsigned char *out, 885 unsigned char *p, int len); 886 int ssl3_get_req_cert_type(SSL *s,unsigned char *p); 887 long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok); 888 int ssl3_send_finished(SSL *s, int a, int b, const char *sender,int slen); 889 int ssl3_num_ciphers(void); 890 const SSL_CIPHER *ssl3_get_cipher(unsigned int u); 891 int ssl3_renegotiate(SSL *ssl); 892 int ssl3_renegotiate_check(SSL *ssl); 893 int ssl3_dispatch_alert(SSL *s); 894 int ssl3_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek); 895 int ssl3_write_bytes(SSL *s, int type, const void *buf, int len); 896 int ssl3_final_finish_mac(SSL *s, const char *sender, int slen,unsigned char *p); 897 int ssl3_cert_verify_mac(SSL *s, int md_nid, unsigned char *p); 898 void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len); 899 int ssl3_enc(SSL *s, int send_data); 900 int n_ssl3_mac(SSL *ssl, unsigned char *md, int send_data); 901 void ssl3_free_digest_list(SSL *s); 902 unsigned long ssl3_output_cert_chain(SSL *s, X509 *x); 903 SSL_CIPHER *ssl3_choose_cipher(SSL *ssl,STACK_OF(SSL_CIPHER) *clnt, 904 STACK_OF(SSL_CIPHER) *srvr); 905 int ssl3_setup_buffers(SSL *s); 906 int ssl3_setup_read_buffer(SSL *s); 907 int ssl3_setup_write_buffer(SSL *s); 908 int ssl3_release_read_buffer(SSL *s); 909 int ssl3_release_write_buffer(SSL *s); 910 int ssl3_digest_cached_records(SSL *s); 911 int ssl3_new(SSL *s); 912 void ssl3_free(SSL *s); 913 int ssl3_accept(SSL *s); 914 int ssl3_connect(SSL *s); 915 int ssl3_read(SSL *s, void *buf, int len); 916 int ssl3_peek(SSL *s, void *buf, int len); 917 int ssl3_write(SSL *s, const void *buf, int len); 918 int ssl3_shutdown(SSL *s); 919 void ssl3_clear(SSL *s); 920 long ssl3_ctrl(SSL *s,int cmd, long larg, void *parg); 921 long ssl3_ctx_ctrl(SSL_CTX *s,int cmd, long larg, void *parg); 922 long ssl3_callback_ctrl(SSL *s,int cmd, void (*fp)(void)); 923 long ssl3_ctx_callback_ctrl(SSL_CTX *s,int cmd, void (*fp)(void)); 924 int ssl3_pending(const SSL *s); 925 926 void ssl3_record_sequence_update(unsigned char *seq); 927 int ssl3_do_change_cipher_spec(SSL *ssl); 928 long ssl3_default_timeout(void ); 929 930 int ssl23_num_ciphers(void ); 931 const SSL_CIPHER *ssl23_get_cipher(unsigned int u); 932 int ssl23_read(SSL *s, void *buf, int len); 933 int ssl23_peek(SSL *s, void *buf, int len); 934 int ssl23_write(SSL *s, const void *buf, int len); 935 int ssl23_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p); 936 const SSL_CIPHER *ssl23_get_cipher_by_char(const unsigned char *p); 937 long ssl23_default_timeout(void ); 938 939 long tls1_default_timeout(void); 940 int dtls1_do_write(SSL *s,int type); 941 int ssl3_read_n(SSL *s, int n, int max, int extend); 942 int dtls1_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek); 943 int ssl3_do_compress(SSL *ssl); 944 int ssl3_do_uncompress(SSL *ssl); 945 int ssl3_write_pending(SSL *s, int type, const unsigned char *buf, 946 unsigned int len); 947 unsigned char *dtls1_set_message_header(SSL *s, 948 unsigned char *p, unsigned char mt, unsigned long len, 949 unsigned long frag_off, unsigned long frag_len); 950 951 int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf, int len); 952 int dtls1_write_bytes(SSL *s, int type, const void *buf, int len); 953 954 int dtls1_send_change_cipher_spec(SSL *s, int a, int b); 955 int dtls1_send_finished(SSL *s, int a, int b, const char *sender, int slen); 956 unsigned long dtls1_output_cert_chain(SSL *s, X509 *x); 957 int dtls1_read_failed(SSL *s, int code); 958 int dtls1_buffer_message(SSL *s, int ccs); 959 int dtls1_retransmit_message(SSL *s, unsigned short seq, 960 unsigned long frag_off, int *found); 961 int dtls1_get_queue_priority(unsigned short seq, int is_ccs); 962 int dtls1_retransmit_buffered_messages(SSL *s); 963 void dtls1_clear_record_buffer(SSL *s); 964 void dtls1_get_message_header(unsigned char *data, struct hm_header_st *msg_hdr); 965 void dtls1_get_ccs_header(unsigned char *data, struct ccs_header_st *ccs_hdr); 966 void dtls1_reset_seq_numbers(SSL *s, int rw); 967 long dtls1_default_timeout(void); 968 struct timeval* dtls1_get_timeout(SSL *s, struct timeval* timeleft); 969 int dtls1_check_timeout_num(SSL *s); 970 int dtls1_handle_timeout(SSL *s); 971 const SSL_CIPHER *dtls1_get_cipher(unsigned int u); 972 void dtls1_start_timer(SSL *s); 973 void dtls1_stop_timer(SSL *s); 974 int dtls1_is_timer_expired(SSL *s); 975 void dtls1_double_timeout(SSL *s); 976 int dtls1_send_newsession_ticket(SSL *s); 977 unsigned int dtls1_min_mtu(void); 978 979 /* some client-only functions */ 980 int ssl3_client_hello(SSL *s); 981 int ssl3_get_server_hello(SSL *s); 982 int ssl3_get_certificate_request(SSL *s); 983 int ssl3_get_new_session_ticket(SSL *s); 984 int ssl3_get_cert_status(SSL *s); 985 int ssl3_get_server_done(SSL *s); 986 int ssl3_send_client_verify(SSL *s); 987 int ssl3_send_client_certificate(SSL *s); 988 int ssl_do_client_cert_cb(SSL *s, X509 **px509, EVP_PKEY **ppkey); 989 int ssl3_send_client_key_exchange(SSL *s); 990 int ssl3_get_key_exchange(SSL *s); 991 int ssl3_get_server_certificate(SSL *s); 992 int ssl3_check_cert_and_algorithm(SSL *s); 993 #ifndef OPENSSL_NO_TLSEXT 994 int ssl3_check_finished(SSL *s); 995 # ifndef OPENSSL_NO_NEXTPROTONEG 996 int ssl3_send_next_proto(SSL *s); 997 # endif 998 #endif 999 1000 int dtls1_client_hello(SSL *s); 1001 int dtls1_send_client_certificate(SSL *s); 1002 int dtls1_send_client_key_exchange(SSL *s); 1003 int dtls1_send_client_verify(SSL *s); 1004 1005 /* some server-only functions */ 1006 int ssl3_get_client_hello(SSL *s); 1007 int ssl3_send_server_hello(SSL *s); 1008 int ssl3_send_hello_request(SSL *s); 1009 int ssl3_send_server_key_exchange(SSL *s); 1010 int ssl3_send_certificate_request(SSL *s); 1011 int ssl3_send_server_done(SSL *s); 1012 int ssl3_check_client_hello(SSL *s); 1013 int ssl3_get_client_certificate(SSL *s); 1014 int ssl3_get_client_key_exchange(SSL *s); 1015 int ssl3_get_cert_verify(SSL *s); 1016 #ifndef OPENSSL_NO_NEXTPROTONEG 1017 int ssl3_get_next_proto(SSL *s); 1018 #endif 1019 1020 int dtls1_send_hello_request(SSL *s); 1021 int dtls1_send_server_hello(SSL *s); 1022 int dtls1_send_server_certificate(SSL *s); 1023 int dtls1_send_server_key_exchange(SSL *s); 1024 int dtls1_send_certificate_request(SSL *s); 1025 int dtls1_send_server_done(SSL *s); 1026 1027 1028 1029 int ssl23_accept(SSL *s); 1030 int ssl23_connect(SSL *s); 1031 int ssl23_read_bytes(SSL *s, int n); 1032 int ssl23_write_bytes(SSL *s); 1033 1034 int tls1_new(SSL *s); 1035 void tls1_free(SSL *s); 1036 void tls1_clear(SSL *s); 1037 long tls1_ctrl(SSL *s,int cmd, long larg, void *parg); 1038 long tls1_callback_ctrl(SSL *s,int cmd, void (*fp)(void)); 1039 1040 int dtls1_new(SSL *s); 1041 int dtls1_accept(SSL *s); 1042 int dtls1_connect(SSL *s); 1043 void dtls1_free(SSL *s); 1044 void dtls1_clear(SSL *s); 1045 long dtls1_ctrl(SSL *s,int cmd, long larg, void *parg); 1046 int dtls1_shutdown(SSL *s); 1047 1048 long dtls1_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok); 1049 int dtls1_get_record(SSL *s); 1050 int do_dtls1_write(SSL *s, int type, const unsigned char *buf, 1051 unsigned int len, int create_empty_fragement); 1052 int dtls1_dispatch_alert(SSL *s); 1053 int dtls1_enc(SSL *s, int snd); 1054 1055 int ssl_init_wbio_buffer(SSL *s, int push); 1056 void ssl_free_wbio_buffer(SSL *s); 1057 1058 int tls1_change_cipher_state(SSL *s, int which); 1059 int tls1_setup_key_block(SSL *s); 1060 int tls1_enc(SSL *s, int snd); 1061 int tls1_final_finish_mac(SSL *s, 1062 const char *str, int slen, unsigned char *p); 1063 int tls1_cert_verify_mac(SSL *s, int md_nid, unsigned char *p); 1064 int tls1_mac(SSL *ssl, unsigned char *md, int snd); 1065 int tls1_generate_master_secret(SSL *s, unsigned char *out, 1066 unsigned char *p, int len); 1067 int tls1_export_keying_material(SSL *s, unsigned char *out, size_t olen, 1068 const char *label, size_t llen, 1069 const unsigned char *p, size_t plen, int use_context); 1070 int tls1_alert_code(int code); 1071 int ssl3_alert_code(int code); 1072 int ssl_ok(SSL *s); 1073 1074 #ifndef OPENSSL_NO_ECDH 1075 int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s); 1076 #endif 1077 1078 SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n); 1079 1080 #ifndef OPENSSL_NO_EC 1081 int tls1_ec_curve_id2nid(int curve_id); 1082 int tls1_ec_nid2curve_id(int nid); 1083 #endif /* OPENSSL_NO_EC */ 1084 1085 #ifndef OPENSSL_NO_TLSEXT 1086 unsigned char *ssl_add_clienthello_tlsext(SSL *s, unsigned char *p, unsigned char *limit); 1087 unsigned char *ssl_add_serverhello_tlsext(SSL *s, unsigned char *p, unsigned char *limit); 1088 int ssl_parse_clienthello_tlsext(SSL *s, unsigned char **data, unsigned char *d, int n, int *al); 1089 int ssl_parse_serverhello_tlsext(SSL *s, unsigned char **data, unsigned char *d, int n, int *al); 1090 int ssl_prepare_clienthello_tlsext(SSL *s); 1091 int ssl_prepare_serverhello_tlsext(SSL *s); 1092 int ssl_check_clienthello_tlsext(SSL *s); 1093 int ssl_check_serverhello_tlsext(SSL *s); 1094 1095 #ifndef OPENSSL_NO_HEARTBEATS 1096 int tls1_heartbeat(SSL *s); 1097 int dtls1_heartbeat(SSL *s); 1098 int tls1_process_heartbeat(SSL *s); 1099 int dtls1_process_heartbeat(SSL *s); 1100 #endif 1101 1102 #ifdef OPENSSL_NO_SHA256 1103 #define tlsext_tick_md EVP_sha1 1104 #else 1105 #define tlsext_tick_md EVP_sha256 1106 #endif 1107 int tls1_process_ticket(SSL *s, unsigned char *session_id, int len, 1108 const unsigned char *limit, SSL_SESSION **ret); 1109 1110 int tls12_get_sigandhash(unsigned char *p, const EVP_PKEY *pk, 1111 const EVP_MD *md); 1112 int tls12_get_sigid(const EVP_PKEY *pk); 1113 const EVP_MD *tls12_get_hash(unsigned char hash_alg); 1114 1115 #endif 1116 EVP_MD_CTX* ssl_replace_hash(EVP_MD_CTX **hash,const EVP_MD *md) ; 1117 void ssl_clear_hash_ctx(EVP_MD_CTX **hash); 1118 int ssl_add_serverhello_renegotiate_ext(SSL *s, unsigned char *p, int *len, 1119 int maxlen); 1120 int ssl_parse_serverhello_renegotiate_ext(SSL *s, unsigned char *d, int len, 1121 int *al); 1122 int ssl_add_clienthello_renegotiate_ext(SSL *s, unsigned char *p, int *len, 1123 int maxlen); 1124 int ssl_parse_clienthello_renegotiate_ext(SSL *s, unsigned char *d, int len, 1125 int *al); 1126 long ssl_get_algorithm2(SSL *s); 1127 int tls1_process_sigalgs(SSL *s, const unsigned char *data, int dsize); 1128 int tls12_get_req_sig_algs(SSL *s, unsigned char *p); 1129 1130 int ssl_add_clienthello_use_srtp_ext(SSL *s, unsigned char *p, int *len, int maxlen); 1131 int ssl_parse_clienthello_use_srtp_ext(SSL *s, unsigned char *d, int len,int *al); 1132 int ssl_add_serverhello_use_srtp_ext(SSL *s, unsigned char *p, int *len, int maxlen); 1133 int ssl_parse_serverhello_use_srtp_ext(SSL *s, unsigned char *d, int len,int *al); 1134 1135 #endif 1136
