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) 1998-2007 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@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 * 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 l2n8(l,c) (*((c)++)=(unsigned char)(((l)>>56)&0xff), \ 219 *((c)++)=(unsigned char)(((l)>>48)&0xff), \ 220 *((c)++)=(unsigned char)(((l)>>40)&0xff), \ 221 *((c)++)=(unsigned char)(((l)>>32)&0xff), \ 222 *((c)++)=(unsigned char)(((l)>>24)&0xff), \ 223 *((c)++)=(unsigned char)(((l)>>16)&0xff), \ 224 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ 225 *((c)++)=(unsigned char)(((l) )&0xff)) 226 227 # define n2l6(c,l) (l =((BN_ULLONG)(*((c)++)))<<40, \ 228 l|=((BN_ULLONG)(*((c)++)))<<32, \ 229 l|=((BN_ULLONG)(*((c)++)))<<24, \ 230 l|=((BN_ULLONG)(*((c)++)))<<16, \ 231 l|=((BN_ULLONG)(*((c)++)))<< 8, \ 232 l|=((BN_ULLONG)(*((c)++)))) 233 234 /* NOTE - c is not incremented as per l2c */ 235 # define l2cn(l1,l2,c,n) { \ 236 c+=n; \ 237 switch (n) { \ 238 case 8: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \ 239 case 7: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \ 240 case 6: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \ 241 case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \ 242 case 4: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \ 243 case 3: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \ 244 case 2: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \ 245 case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \ 246 } \ 247 } 248 249 # define n2s(c,s) ((s=(((unsigned int)(c[0]))<< 8)| \ 250 (((unsigned int)(c[1])) )),c+=2) 251 # define s2n(s,c) ((c[0]=(unsigned char)(((s)>> 8)&0xff), \ 252 c[1]=(unsigned char)(((s) )&0xff)),c+=2) 253 254 # define n2l3(c,l) ((l =(((unsigned long)(c[0]))<<16)| \ 255 (((unsigned long)(c[1]))<< 8)| \ 256 (((unsigned long)(c[2])) )),c+=3) 257 258 # define l2n3(l,c) ((c[0]=(unsigned char)(((l)>>16)&0xff), \ 259 c[1]=(unsigned char)(((l)>> 8)&0xff), \ 260 c[2]=(unsigned char)(((l) )&0xff)),c+=3) 261 262 /* LOCAL STUFF */ 263 264 # define SSL_DECRYPT 0 265 # define SSL_ENCRYPT 1 266 267 # define TWO_BYTE_BIT 0x80 268 # define SEC_ESC_BIT 0x40 269 # define TWO_BYTE_MASK 0x7fff 270 # define THREE_BYTE_MASK 0x3fff 271 272 # define INC32(a) ((a)=((a)+1)&0xffffffffL) 273 # define DEC32(a) ((a)=((a)-1)&0xffffffffL) 274 # define MAX_MAC_SIZE 20 /* up from 16 for SSLv3 */ 275 276 /* 277 * Define the Bitmasks for SSL_CIPHER.algorithms. 278 * This bits are used packed as dense as possible. If new methods/ciphers 279 * etc will be added, the bits a likely to change, so this information 280 * is for internal library use only, even though SSL_CIPHER.algorithms 281 * can be publicly accessed. 282 * Use the according functions for cipher management instead. 283 * 284 * The bit mask handling in the selection and sorting scheme in 285 * ssl_create_cipher_list() has only limited capabilities, reflecting 286 * that the different entities within are mutually exclusive: 287 * ONLY ONE BIT PER MASK CAN BE SET AT A TIME. 288 */ 289 290 /* Bits for algorithm_mkey (key exchange algorithm) */ 291 /* RSA key exchange */ 292 # define SSL_kRSA 0x00000001L 293 /* DH cert, RSA CA cert */ 294 # define SSL_kDHr 0x00000002L 295 /* DH cert, DSA CA cert */ 296 # define SSL_kDHd 0x00000004L 297 /* tmp DH key no DH cert */ 298 # define SSL_kEDH 0x00000008L 299 /* forward-compatible synonym */ 300 # define SSL_kDHE SSL_kEDH 301 /* Kerberos5 key exchange */ 302 # define SSL_kKRB5 0x00000010L 303 /* ECDH cert, RSA CA cert */ 304 # define SSL_kECDHr 0x00000020L 305 /* ECDH cert, ECDSA CA cert */ 306 # define SSL_kECDHe 0x00000040L 307 /* ephemeral ECDH */ 308 # define SSL_kEECDH 0x00000080L 309 /* forward-compatible synonym */ 310 # define SSL_kECDHE SSL_kEECDH 311 /* PSK */ 312 # define SSL_kPSK 0x00000100L 313 /* GOST key exchange */ 314 # define SSL_kGOST 0x00000200L 315 /* SRP */ 316 # define SSL_kSRP 0x00000400L 317 318 /* Bits for algorithm_auth (server authentication) */ 319 /* RSA auth */ 320 # define SSL_aRSA 0x00000001L 321 /* DSS auth */ 322 # define SSL_aDSS 0x00000002L 323 /* no auth (i.e. use ADH or AECDH) */ 324 # define SSL_aNULL 0x00000004L 325 /* Fixed DH auth (kDHd or kDHr) */ 326 # define SSL_aDH 0x00000008L 327 /* Fixed ECDH auth (kECDHe or kECDHr) */ 328 # define SSL_aECDH 0x00000010L 329 /* KRB5 auth */ 330 # define SSL_aKRB5 0x00000020L 331 /* ECDSA auth*/ 332 # define SSL_aECDSA 0x00000040L 333 /* PSK auth */ 334 # define SSL_aPSK 0x00000080L 335 /* GOST R 34.10-94 signature auth */ 336 # define SSL_aGOST94 0x00000100L 337 /* GOST R 34.10-2001 signature auth */ 338 # define SSL_aGOST01 0x00000200L 339 /* SRP auth */ 340 # define SSL_aSRP 0x00000400L 341 342 /* Bits for algorithm_enc (symmetric encryption) */ 343 # define SSL_DES 0x00000001L 344 # define SSL_3DES 0x00000002L 345 # define SSL_RC4 0x00000004L 346 # define SSL_RC2 0x00000008L 347 # define SSL_IDEA 0x00000010L 348 # define SSL_eNULL 0x00000020L 349 # define SSL_AES128 0x00000040L 350 # define SSL_AES256 0x00000080L 351 # define SSL_CAMELLIA128 0x00000100L 352 # define SSL_CAMELLIA256 0x00000200L 353 # define SSL_eGOST2814789CNT 0x00000400L 354 # define SSL_SEED 0x00000800L 355 # define SSL_AES128GCM 0x00001000L 356 # define SSL_AES256GCM 0x00002000L 357 358 # define SSL_AES (SSL_AES128|SSL_AES256|SSL_AES128GCM|SSL_AES256GCM) 359 # define SSL_CAMELLIA (SSL_CAMELLIA128|SSL_CAMELLIA256) 360 361 /* Bits for algorithm_mac (symmetric authentication) */ 362 363 # define SSL_MD5 0x00000001L 364 # define SSL_SHA1 0x00000002L 365 # define SSL_GOST94 0x00000004L 366 # define SSL_GOST89MAC 0x00000008L 367 # define SSL_SHA256 0x00000010L 368 # define SSL_SHA384 0x00000020L 369 /* Not a real MAC, just an indication it is part of cipher */ 370 # define SSL_AEAD 0x00000040L 371 372 /* Bits for algorithm_ssl (protocol version) */ 373 # define SSL_SSLV2 0x00000001UL 374 # define SSL_SSLV3 0x00000002UL 375 # define SSL_TLSV1 SSL_SSLV3/* for now */ 376 # define SSL_TLSV1_2 0x00000004UL 377 378 /* Bits for algorithm2 (handshake digests and other extra flags) */ 379 380 # define SSL_HANDSHAKE_MAC_MD5 0x10 381 # define SSL_HANDSHAKE_MAC_SHA 0x20 382 # define SSL_HANDSHAKE_MAC_GOST94 0x40 383 # define SSL_HANDSHAKE_MAC_SHA256 0x80 384 # define SSL_HANDSHAKE_MAC_SHA384 0x100 385 # define SSL_HANDSHAKE_MAC_DEFAULT (SSL_HANDSHAKE_MAC_MD5 | SSL_HANDSHAKE_MAC_SHA) 386 387 /* 388 * When adding new digest in the ssl_ciph.c and increment SSM_MD_NUM_IDX make 389 * sure to update this constant too 390 */ 391 # define SSL_MAX_DIGEST 6 392 393 # define TLS1_PRF_DGST_MASK (0xff << TLS1_PRF_DGST_SHIFT) 394 395 # define TLS1_PRF_DGST_SHIFT 10 396 # define TLS1_PRF_MD5 (SSL_HANDSHAKE_MAC_MD5 << TLS1_PRF_DGST_SHIFT) 397 # define TLS1_PRF_SHA1 (SSL_HANDSHAKE_MAC_SHA << TLS1_PRF_DGST_SHIFT) 398 # define TLS1_PRF_SHA256 (SSL_HANDSHAKE_MAC_SHA256 << TLS1_PRF_DGST_SHIFT) 399 # define TLS1_PRF_SHA384 (SSL_HANDSHAKE_MAC_SHA384 << TLS1_PRF_DGST_SHIFT) 400 # define TLS1_PRF_GOST94 (SSL_HANDSHAKE_MAC_GOST94 << TLS1_PRF_DGST_SHIFT) 401 # define TLS1_PRF (TLS1_PRF_MD5 | TLS1_PRF_SHA1) 402 403 /* 404 * Stream MAC for GOST ciphersuites from cryptopro draft (currently this also 405 * goes into algorithm2) 406 */ 407 # define TLS1_STREAM_MAC 0x04 408 409 /* 410 * Export and cipher strength information. For each cipher we have to decide 411 * whether it is exportable or not. This information is likely to change 412 * over time, since the export control rules are no static technical issue. 413 * 414 * Independent of the export flag the cipher strength is sorted into classes. 415 * SSL_EXP40 was denoting the 40bit US export limit of past times, which now 416 * is at 56bit (SSL_EXP56). If the exportable cipher class is going to change 417 * again (eg. to 64bit) the use of "SSL_EXP*" becomes blurred even more, 418 * since SSL_EXP64 could be similar to SSL_LOW. 419 * For this reason SSL_MICRO and SSL_MINI macros are included to widen the 420 * namespace of SSL_LOW-SSL_HIGH to lower values. As development of speed 421 * and ciphers goes, another extension to SSL_SUPER and/or SSL_ULTRA would 422 * be possible. 423 */ 424 # define SSL_EXP_MASK 0x00000003L 425 # define SSL_STRONG_MASK 0x000001fcL 426 427 # define SSL_NOT_EXP 0x00000001L 428 # define SSL_EXPORT 0x00000002L 429 430 # define SSL_STRONG_NONE 0x00000004L 431 # define SSL_EXP40 0x00000008L 432 # define SSL_MICRO (SSL_EXP40) 433 # define SSL_EXP56 0x00000010L 434 # define SSL_MINI (SSL_EXP56) 435 # define SSL_LOW 0x00000020L 436 # define SSL_MEDIUM 0x00000040L 437 # define SSL_HIGH 0x00000080L 438 # define SSL_FIPS 0x00000100L 439 440 /* we have used 000001ff - 23 bits left to go */ 441 442 /*- 443 * Macros to check the export status and cipher strength for export ciphers. 444 * Even though the macros for EXPORT and EXPORT40/56 have similar names, 445 * their meaning is different: 446 * *_EXPORT macros check the 'exportable' status. 447 * *_EXPORT40/56 macros are used to check whether a certain cipher strength 448 * is given. 449 * Since the SSL_IS_EXPORT* and SSL_EXPORT* macros depend on the correct 450 * algorithm structure element to be passed (algorithms, algo_strength) and no 451 * typechecking can be done as they are all of type unsigned long, their 452 * direct usage is discouraged. 453 * Use the SSL_C_* macros instead. 454 */ 455 # define SSL_IS_EXPORT(a) ((a)&SSL_EXPORT) 456 # define SSL_IS_EXPORT56(a) ((a)&SSL_EXP56) 457 # define SSL_IS_EXPORT40(a) ((a)&SSL_EXP40) 458 # define SSL_C_IS_EXPORT(c) SSL_IS_EXPORT((c)->algo_strength) 459 # define SSL_C_IS_EXPORT56(c) SSL_IS_EXPORT56((c)->algo_strength) 460 # define SSL_C_IS_EXPORT40(c) SSL_IS_EXPORT40((c)->algo_strength) 461 462 # define SSL_EXPORT_KEYLENGTH(a,s) (SSL_IS_EXPORT40(s) ? 5 : \ 463 (a) == SSL_DES ? 8 : 7) 464 # define SSL_EXPORT_PKEYLENGTH(a) (SSL_IS_EXPORT40(a) ? 512 : 1024) 465 # define SSL_C_EXPORT_KEYLENGTH(c) SSL_EXPORT_KEYLENGTH((c)->algorithm_enc, \ 466 (c)->algo_strength) 467 # define SSL_C_EXPORT_PKEYLENGTH(c) SSL_EXPORT_PKEYLENGTH((c)->algo_strength) 468 469 /* Check if an SSL structure is using DTLS */ 470 # define SSL_IS_DTLS(s) (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS) 471 /* See if we need explicit IV */ 472 # define SSL_USE_EXPLICIT_IV(s) \ 473 (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_EXPLICIT_IV) 474 /* 475 * See if we use signature algorithms extension and signature algorithm 476 * before signatures. 477 */ 478 # define SSL_USE_SIGALGS(s) \ 479 (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_SIGALGS) 480 /* 481 * Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2: may 482 * apply to others in future. 483 */ 484 # define SSL_USE_TLS1_2_CIPHERS(s) \ 485 (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_TLS1_2_CIPHERS) 486 /* 487 * Determine if a client can use TLS 1.2 ciphersuites: can't rely on method 488 * flags because it may not be set to correct version yet. 489 */ 490 # define SSL_CLIENT_USE_TLS1_2_CIPHERS(s) \ 491 ((SSL_IS_DTLS(s) && s->client_version <= DTLS1_2_VERSION) || \ 492 (!SSL_IS_DTLS(s) && s->client_version >= TLS1_2_VERSION)) 493 494 /* Mostly for SSLv3 */ 495 # define SSL_PKEY_RSA_ENC 0 496 # define SSL_PKEY_RSA_SIGN 1 497 # define SSL_PKEY_DSA_SIGN 2 498 # define SSL_PKEY_DH_RSA 3 499 # define SSL_PKEY_DH_DSA 4 500 # define SSL_PKEY_ECC 5 501 # define SSL_PKEY_GOST94 6 502 # define SSL_PKEY_GOST01 7 503 # define SSL_PKEY_NUM 8 504 505 /*- 506 * SSL_kRSA <- RSA_ENC | (RSA_TMP & RSA_SIGN) | 507 * <- (EXPORT & (RSA_ENC | RSA_TMP) & RSA_SIGN) 508 * SSL_kDH <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN) 509 * SSL_kEDH <- RSA_ENC | RSA_SIGN | DSA_SIGN 510 * SSL_aRSA <- RSA_ENC | RSA_SIGN 511 * SSL_aDSS <- DSA_SIGN 512 */ 513 514 /*- 515 #define CERT_INVALID 0 516 #define CERT_PUBLIC_KEY 1 517 #define CERT_PRIVATE_KEY 2 518 */ 519 520 # ifndef OPENSSL_NO_EC 521 /* 522 * From ECC-TLS draft, used in encoding the curve type in ECParameters 523 */ 524 # define EXPLICIT_PRIME_CURVE_TYPE 1 525 # define EXPLICIT_CHAR2_CURVE_TYPE 2 526 # define NAMED_CURVE_TYPE 3 527 # endif /* OPENSSL_NO_EC */ 528 529 typedef struct cert_pkey_st { 530 X509 *x509; 531 EVP_PKEY *privatekey; 532 /* Digest to use when signing */ 533 const EVP_MD *digest; 534 /* Chain for this certificate */ 535 STACK_OF(X509) *chain; 536 # ifndef OPENSSL_NO_TLSEXT 537 /*- 538 * serverinfo data for this certificate. The data is in TLS Extension 539 * wire format, specifically it's a series of records like: 540 * uint16_t extension_type; // (RFC 5246, 7.4.1.4, Extension) 541 * uint16_t length; 542 * uint8_t data[length]; 543 */ 544 unsigned char *serverinfo; 545 size_t serverinfo_length; 546 # endif 547 /* 548 * Set if CERT_PKEY can be used with current SSL session: e.g. 549 * appropriate curve, signature algorithms etc. If zero it can't be used 550 * at all. 551 */ 552 int valid_flags; 553 } CERT_PKEY; 554 /* Retrieve Suite B flags */ 555 # define tls1_suiteb(s) (s->cert->cert_flags & SSL_CERT_FLAG_SUITEB_128_LOS) 556 /* Uses to check strict mode: suite B modes are always strict */ 557 # define SSL_CERT_FLAGS_CHECK_TLS_STRICT \ 558 (SSL_CERT_FLAG_SUITEB_128_LOS|SSL_CERT_FLAG_TLS_STRICT) 559 560 typedef struct { 561 unsigned short ext_type; 562 /* 563 * Per-connection flags relating to this extension type: not used if 564 * part of an SSL_CTX structure. 565 */ 566 unsigned short ext_flags; 567 custom_ext_add_cb add_cb; 568 custom_ext_free_cb free_cb; 569 void *add_arg; 570 custom_ext_parse_cb parse_cb; 571 void *parse_arg; 572 } custom_ext_method; 573 574 /* ext_flags values */ 575 576 /* 577 * Indicates an extension has been received. Used to check for unsolicited or 578 * duplicate extensions. 579 */ 580 # define SSL_EXT_FLAG_RECEIVED 0x1 581 /* 582 * Indicates an extension has been sent: used to enable sending of 583 * corresponding ServerHello extension. 584 */ 585 # define SSL_EXT_FLAG_SENT 0x2 586 587 typedef struct { 588 custom_ext_method *meths; 589 size_t meths_count; 590 } custom_ext_methods; 591 592 typedef struct cert_st { 593 /* Current active set */ 594 /* 595 * ALWAYS points to an element of the pkeys array 596 * Probably it would make more sense to store 597 * an index, not a pointer. 598 */ 599 CERT_PKEY *key; 600 /* 601 * For servers the following masks are for the key and auth algorithms 602 * that are supported by the certs below. For clients they are masks of 603 * *disabled* algorithms based on the current session. 604 */ 605 int valid; 606 unsigned long mask_k; 607 unsigned long mask_a; 608 unsigned long export_mask_k; 609 unsigned long export_mask_a; 610 /* Client only */ 611 unsigned long mask_ssl; 612 # ifndef OPENSSL_NO_RSA 613 RSA *rsa_tmp; 614 RSA *(*rsa_tmp_cb) (SSL *ssl, int is_export, int keysize); 615 # endif 616 # ifndef OPENSSL_NO_DH 617 DH *dh_tmp; 618 DH *(*dh_tmp_cb) (SSL *ssl, int is_export, int keysize); 619 # endif 620 # ifndef OPENSSL_NO_ECDH 621 EC_KEY *ecdh_tmp; 622 /* Callback for generating ephemeral ECDH keys */ 623 EC_KEY *(*ecdh_tmp_cb) (SSL *ssl, int is_export, int keysize); 624 /* Select ECDH parameters automatically */ 625 int ecdh_tmp_auto; 626 # endif 627 /* Flags related to certificates */ 628 unsigned int cert_flags; 629 CERT_PKEY pkeys[SSL_PKEY_NUM]; 630 /* 631 * Certificate types (received or sent) in certificate request message. 632 * On receive this is only set if number of certificate types exceeds 633 * SSL3_CT_NUMBER. 634 */ 635 unsigned char *ctypes; 636 size_t ctype_num; 637 /* 638 * signature algorithms peer reports: e.g. supported signature algorithms 639 * extension for server or as part of a certificate request for client. 640 */ 641 unsigned char *peer_sigalgs; 642 /* Size of above array */ 643 size_t peer_sigalgslen; 644 /* 645 * suppported signature algorithms. When set on a client this is sent in 646 * the client hello as the supported signature algorithms extension. For 647 * servers it represents the signature algorithms we are willing to use. 648 */ 649 unsigned char *conf_sigalgs; 650 /* Size of above array */ 651 size_t conf_sigalgslen; 652 /* 653 * Client authentication signature algorithms, if not set then uses 654 * conf_sigalgs. On servers these will be the signature algorithms sent 655 * to the client in a cerificate request for TLS 1.2. On a client this 656 * represents the signature algortithms we are willing to use for client 657 * authentication. 658 */ 659 unsigned char *client_sigalgs; 660 /* Size of above array */ 661 size_t client_sigalgslen; 662 /* 663 * Signature algorithms shared by client and server: cached because these 664 * are used most often. 665 */ 666 TLS_SIGALGS *shared_sigalgs; 667 size_t shared_sigalgslen; 668 /* 669 * Certificate setup callback: if set is called whenever a certificate 670 * may be required (client or server). the callback can then examine any 671 * appropriate parameters and setup any certificates required. This 672 * allows advanced applications to select certificates on the fly: for 673 * example based on supported signature algorithms or curves. 674 */ 675 int (*cert_cb) (SSL *ssl, void *arg); 676 void *cert_cb_arg; 677 /* 678 * Optional X509_STORE for chain building or certificate validation If 679 * NULL the parent SSL_CTX store is used instead. 680 */ 681 X509_STORE *chain_store; 682 X509_STORE *verify_store; 683 /* Raw values of the cipher list from a client */ 684 unsigned char *ciphers_raw; 685 size_t ciphers_rawlen; 686 /* Custom extension methods for server and client */ 687 custom_ext_methods cli_ext; 688 custom_ext_methods srv_ext; 689 int references; /* >1 only if SSL_copy_session_id is used */ 690 } CERT; 691 692 typedef struct sess_cert_st { 693 STACK_OF(X509) *cert_chain; /* as received from peer (not for SSL2) */ 694 /* The 'peer_...' members are used only by clients. */ 695 int peer_cert_type; 696 CERT_PKEY *peer_key; /* points to an element of peer_pkeys (never 697 * NULL!) */ 698 CERT_PKEY peer_pkeys[SSL_PKEY_NUM]; 699 /* 700 * Obviously we don't have the private keys of these, so maybe we 701 * shouldn't even use the CERT_PKEY type here. 702 */ 703 # ifndef OPENSSL_NO_RSA 704 RSA *peer_rsa_tmp; /* not used for SSL 2 */ 705 # endif 706 # ifndef OPENSSL_NO_DH 707 DH *peer_dh_tmp; /* not used for SSL 2 */ 708 # endif 709 # ifndef OPENSSL_NO_ECDH 710 EC_KEY *peer_ecdh_tmp; 711 # endif 712 int references; /* actually always 1 at the moment */ 713 } SESS_CERT; 714 /* Structure containing decoded values of signature algorithms extension */ 715 struct tls_sigalgs_st { 716 /* NID of hash algorithm */ 717 int hash_nid; 718 /* NID of signature algorithm */ 719 int sign_nid; 720 /* Combined hash and signature NID */ 721 int signandhash_nid; 722 /* Raw values used in extension */ 723 unsigned char rsign; 724 unsigned char rhash; 725 }; 726 727 /* 728 * #define MAC_DEBUG 729 */ 730 731 /* 732 * #define ERR_DEBUG 733 */ 734 /* 735 * #define ABORT_DEBUG 736 */ 737 /* 738 * #define PKT_DEBUG 1 739 */ 740 /* 741 * #define DES_DEBUG 742 */ 743 /* 744 * #define DES_OFB_DEBUG 745 */ 746 /* 747 * #define SSL_DEBUG 748 */ 749 /* 750 * #define RSA_DEBUG 751 */ 752 /* 753 * #define IDEA_DEBUG 754 */ 755 756 # define FP_ICC (int (*)(const void *,const void *)) 757 # define ssl_put_cipher_by_char(ssl,ciph,ptr) \ 758 ((ssl)->method->put_cipher_by_char((ciph),(ptr))) 759 760 /* 761 * This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff It is a bit 762 * of a mess of functions, but hell, think of it as an opaque structure :-) 763 */ 764 typedef struct ssl3_enc_method { 765 int (*enc) (SSL *, int); 766 int (*mac) (SSL *, unsigned char *, int); 767 int (*setup_key_block) (SSL *); 768 int (*generate_master_secret) (SSL *, unsigned char *, unsigned char *, 769 int); 770 int (*change_cipher_state) (SSL *, int); 771 int (*final_finish_mac) (SSL *, const char *, int, unsigned char *); 772 int finish_mac_length; 773 int (*cert_verify_mac) (SSL *, int, unsigned char *); 774 const char *client_finished_label; 775 int client_finished_label_len; 776 const char *server_finished_label; 777 int server_finished_label_len; 778 int (*alert_value) (int); 779 int (*export_keying_material) (SSL *, unsigned char *, size_t, 780 const char *, size_t, 781 const unsigned char *, size_t, 782 int use_context); 783 /* Various flags indicating protocol version requirements */ 784 unsigned int enc_flags; 785 /* Handshake header length */ 786 unsigned int hhlen; 787 /* Set the handshake header */ 788 void (*set_handshake_header) (SSL *s, int type, unsigned long len); 789 /* Write out handshake message */ 790 int (*do_write) (SSL *s); 791 } SSL3_ENC_METHOD; 792 793 # define SSL_HM_HEADER_LENGTH(s) s->method->ssl3_enc->hhlen 794 # define ssl_handshake_start(s) \ 795 (((unsigned char *)s->init_buf->data) + s->method->ssl3_enc->hhlen) 796 # define ssl_set_handshake_header(s, htype, len) \ 797 s->method->ssl3_enc->set_handshake_header(s, htype, len) 798 # define ssl_do_write(s) s->method->ssl3_enc->do_write(s) 799 800 /* Values for enc_flags */ 801 802 /* Uses explicit IV for CBC mode */ 803 # define SSL_ENC_FLAG_EXPLICIT_IV 0x1 804 /* Uses signature algorithms extension */ 805 # define SSL_ENC_FLAG_SIGALGS 0x2 806 /* Uses SHA256 default PRF */ 807 # define SSL_ENC_FLAG_SHA256_PRF 0x4 808 /* Is DTLS */ 809 # define SSL_ENC_FLAG_DTLS 0x8 810 /* 811 * Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2: may 812 * apply to others in future. 813 */ 814 # define SSL_ENC_FLAG_TLS1_2_CIPHERS 0x10 815 816 # ifndef OPENSSL_NO_COMP 817 /* Used for holding the relevant compression methods loaded into SSL_CTX */ 818 typedef struct ssl3_comp_st { 819 int comp_id; /* The identifier byte for this compression 820 * type */ 821 char *name; /* Text name used for the compression type */ 822 COMP_METHOD *method; /* The method :-) */ 823 } SSL3_COMP; 824 # endif 825 826 # ifndef OPENSSL_NO_BUF_FREELISTS 827 typedef struct ssl3_buf_freelist_st { 828 size_t chunklen; 829 unsigned int len; 830 struct ssl3_buf_freelist_entry_st *head; 831 } SSL3_BUF_FREELIST; 832 833 typedef struct ssl3_buf_freelist_entry_st { 834 struct ssl3_buf_freelist_entry_st *next; 835 } SSL3_BUF_FREELIST_ENTRY; 836 # endif 837 838 extern SSL3_ENC_METHOD ssl3_undef_enc_method; 839 OPENSSL_EXTERN const SSL_CIPHER ssl2_ciphers[]; 840 OPENSSL_EXTERN SSL_CIPHER ssl3_ciphers[]; 841 842 SSL_METHOD *ssl_bad_method(int ver); 843 844 extern SSL3_ENC_METHOD TLSv1_enc_data; 845 extern SSL3_ENC_METHOD TLSv1_1_enc_data; 846 extern SSL3_ENC_METHOD TLSv1_2_enc_data; 847 extern SSL3_ENC_METHOD SSLv3_enc_data; 848 extern SSL3_ENC_METHOD DTLSv1_enc_data; 849 extern SSL3_ENC_METHOD DTLSv1_2_enc_data; 850 851 # define IMPLEMENT_tls_meth_func(version, func_name, s_accept, s_connect, \ 852 s_get_meth, enc_data) \ 853 const SSL_METHOD *func_name(void) \ 854 { \ 855 static const SSL_METHOD func_name##_data= { \ 856 version, \ 857 tls1_new, \ 858 tls1_clear, \ 859 tls1_free, \ 860 s_accept, \ 861 s_connect, \ 862 ssl3_read, \ 863 ssl3_peek, \ 864 ssl3_write, \ 865 ssl3_shutdown, \ 866 ssl3_renegotiate, \ 867 ssl3_renegotiate_check, \ 868 ssl3_get_message, \ 869 ssl3_read_bytes, \ 870 ssl3_write_bytes, \ 871 ssl3_dispatch_alert, \ 872 ssl3_ctrl, \ 873 ssl3_ctx_ctrl, \ 874 ssl3_get_cipher_by_char, \ 875 ssl3_put_cipher_by_char, \ 876 ssl3_pending, \ 877 ssl3_num_ciphers, \ 878 ssl3_get_cipher, \ 879 s_get_meth, \ 880 tls1_default_timeout, \ 881 &enc_data, \ 882 ssl_undefined_void_function, \ 883 ssl3_callback_ctrl, \ 884 ssl3_ctx_callback_ctrl, \ 885 }; \ 886 return &func_name##_data; \ 887 } 888 889 # define IMPLEMENT_ssl3_meth_func(func_name, s_accept, s_connect, s_get_meth) \ 890 const SSL_METHOD *func_name(void) \ 891 { \ 892 static const SSL_METHOD func_name##_data= { \ 893 SSL3_VERSION, \ 894 ssl3_new, \ 895 ssl3_clear, \ 896 ssl3_free, \ 897 s_accept, \ 898 s_connect, \ 899 ssl3_read, \ 900 ssl3_peek, \ 901 ssl3_write, \ 902 ssl3_shutdown, \ 903 ssl3_renegotiate, \ 904 ssl3_renegotiate_check, \ 905 ssl3_get_message, \ 906 ssl3_read_bytes, \ 907 ssl3_write_bytes, \ 908 ssl3_dispatch_alert, \ 909 ssl3_ctrl, \ 910 ssl3_ctx_ctrl, \ 911 ssl3_get_cipher_by_char, \ 912 ssl3_put_cipher_by_char, \ 913 ssl3_pending, \ 914 ssl3_num_ciphers, \ 915 ssl3_get_cipher, \ 916 s_get_meth, \ 917 ssl3_default_timeout, \ 918 &SSLv3_enc_data, \ 919 ssl_undefined_void_function, \ 920 ssl3_callback_ctrl, \ 921 ssl3_ctx_callback_ctrl, \ 922 }; \ 923 return &func_name##_data; \ 924 } 925 926 # define IMPLEMENT_ssl23_meth_func(func_name, s_accept, s_connect, s_get_meth) \ 927 const SSL_METHOD *func_name(void) \ 928 { \ 929 static const SSL_METHOD func_name##_data= { \ 930 TLS1_2_VERSION, \ 931 tls1_new, \ 932 tls1_clear, \ 933 tls1_free, \ 934 s_accept, \ 935 s_connect, \ 936 ssl23_read, \ 937 ssl23_peek, \ 938 ssl23_write, \ 939 ssl_undefined_function, \ 940 ssl_undefined_function, \ 941 ssl_ok, \ 942 ssl3_get_message, \ 943 ssl3_read_bytes, \ 944 ssl3_write_bytes, \ 945 ssl3_dispatch_alert, \ 946 ssl3_ctrl, \ 947 ssl3_ctx_ctrl, \ 948 ssl23_get_cipher_by_char, \ 949 ssl23_put_cipher_by_char, \ 950 ssl_undefined_const_function, \ 951 ssl23_num_ciphers, \ 952 ssl23_get_cipher, \ 953 s_get_meth, \ 954 ssl23_default_timeout, \ 955 &TLSv1_2_enc_data, \ 956 ssl_undefined_void_function, \ 957 ssl3_callback_ctrl, \ 958 ssl3_ctx_callback_ctrl, \ 959 }; \ 960 return &func_name##_data; \ 961 } 962 963 # define IMPLEMENT_ssl2_meth_func(func_name, s_accept, s_connect, s_get_meth) \ 964 const SSL_METHOD *func_name(void) \ 965 { \ 966 static const SSL_METHOD func_name##_data= { \ 967 SSL2_VERSION, \ 968 ssl2_new, /* local */ \ 969 ssl2_clear, /* local */ \ 970 ssl2_free, /* local */ \ 971 s_accept, \ 972 s_connect, \ 973 ssl2_read, \ 974 ssl2_peek, \ 975 ssl2_write, \ 976 ssl2_shutdown, \ 977 ssl_ok, /* NULL - renegotiate */ \ 978 ssl_ok, /* NULL - check renegotiate */ \ 979 NULL, /* NULL - ssl_get_message */ \ 980 NULL, /* NULL - ssl_get_record */ \ 981 NULL, /* NULL - ssl_write_bytes */ \ 982 NULL, /* NULL - dispatch_alert */ \ 983 ssl2_ctrl, /* local */ \ 984 ssl2_ctx_ctrl, /* local */ \ 985 ssl2_get_cipher_by_char, \ 986 ssl2_put_cipher_by_char, \ 987 ssl2_pending, \ 988 ssl2_num_ciphers, \ 989 ssl2_get_cipher, \ 990 s_get_meth, \ 991 ssl2_default_timeout, \ 992 &ssl3_undef_enc_method, \ 993 ssl_undefined_void_function, \ 994 ssl2_callback_ctrl, /* local */ \ 995 ssl2_ctx_callback_ctrl, /* local */ \ 996 }; \ 997 return &func_name##_data; \ 998 } 999 1000 # define IMPLEMENT_dtls1_meth_func(version, func_name, s_accept, s_connect, \ 1001 s_get_meth, enc_data) \ 1002 const SSL_METHOD *func_name(void) \ 1003 { \ 1004 static const SSL_METHOD func_name##_data= { \ 1005 version, \ 1006 dtls1_new, \ 1007 dtls1_clear, \ 1008 dtls1_free, \ 1009 s_accept, \ 1010 s_connect, \ 1011 ssl3_read, \ 1012 ssl3_peek, \ 1013 ssl3_write, \ 1014 dtls1_shutdown, \ 1015 ssl3_renegotiate, \ 1016 ssl3_renegotiate_check, \ 1017 dtls1_get_message, \ 1018 dtls1_read_bytes, \ 1019 dtls1_write_app_data_bytes, \ 1020 dtls1_dispatch_alert, \ 1021 dtls1_ctrl, \ 1022 ssl3_ctx_ctrl, \ 1023 ssl3_get_cipher_by_char, \ 1024 ssl3_put_cipher_by_char, \ 1025 ssl3_pending, \ 1026 ssl3_num_ciphers, \ 1027 dtls1_get_cipher, \ 1028 s_get_meth, \ 1029 dtls1_default_timeout, \ 1030 &enc_data, \ 1031 ssl_undefined_void_function, \ 1032 ssl3_callback_ctrl, \ 1033 ssl3_ctx_callback_ctrl, \ 1034 }; \ 1035 return &func_name##_data; \ 1036 } 1037 1038 struct openssl_ssl_test_functions { 1039 int (*p_ssl_init_wbio_buffer) (SSL *s, int push); 1040 int (*p_ssl3_setup_buffers) (SSL *s); 1041 int (*p_tls1_process_heartbeat) (SSL *s); 1042 int (*p_dtls1_process_heartbeat) (SSL *s); 1043 }; 1044 1045 # ifndef OPENSSL_UNIT_TEST 1046 1047 void ssl_clear_cipher_ctx(SSL *s); 1048 int ssl_clear_bad_session(SSL *s); 1049 CERT *ssl_cert_new(void); 1050 CERT *ssl_cert_dup(CERT *cert); 1051 void ssl_cert_set_default_md(CERT *cert); 1052 int ssl_cert_inst(CERT **o); 1053 void ssl_cert_clear_certs(CERT *c); 1054 void ssl_cert_free(CERT *c); 1055 SESS_CERT *ssl_sess_cert_new(void); 1056 void ssl_sess_cert_free(SESS_CERT *sc); 1057 int ssl_set_peer_cert_type(SESS_CERT *c, int type); 1058 int ssl_get_new_session(SSL *s, int session); 1059 int ssl_get_prev_session(SSL *s, unsigned char *session, int len, 1060 const unsigned char *limit); 1061 SSL_SESSION *ssl_session_dup(SSL_SESSION *src, int ticket); 1062 int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b); 1063 DECLARE_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, ssl_cipher_id); 1064 int ssl_cipher_ptr_id_cmp(const SSL_CIPHER *const *ap, 1065 const SSL_CIPHER *const *bp); 1066 STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s, unsigned char *p, 1067 int num, 1068 STACK_OF(SSL_CIPHER) **skp); 1069 int ssl_cipher_list_to_bytes(SSL *s, STACK_OF(SSL_CIPHER) *sk, 1070 unsigned char *p, 1071 int (*put_cb) (const SSL_CIPHER *, 1072 unsigned char *)); 1073 STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *meth, 1074 STACK_OF(SSL_CIPHER) **pref, 1075 STACK_OF(SSL_CIPHER) **sorted, 1076 const char *rule_str, CERT *c); 1077 void ssl_update_cache(SSL *s, int mode); 1078 int ssl_cipher_get_evp(const SSL_SESSION *s, const EVP_CIPHER **enc, 1079 const EVP_MD **md, int *mac_pkey_type, 1080 int *mac_secret_size, SSL_COMP **comp); 1081 int ssl_get_handshake_digest(int i, long *mask, const EVP_MD **md); 1082 int ssl_cipher_get_cert_index(const SSL_CIPHER *c); 1083 const SSL_CIPHER *ssl_get_cipher_by_char(SSL *ssl, const unsigned char *ptr); 1084 int ssl_cert_set0_chain(CERT *c, STACK_OF(X509) *chain); 1085 int ssl_cert_set1_chain(CERT *c, STACK_OF(X509) *chain); 1086 int ssl_cert_add0_chain_cert(CERT *c, X509 *x); 1087 int ssl_cert_add1_chain_cert(CERT *c, X509 *x); 1088 int ssl_cert_select_current(CERT *c, X509 *x); 1089 int ssl_cert_set_current(CERT *c, long arg); 1090 X509 *ssl_cert_get0_next_certificate(CERT *c, int first); 1091 void ssl_cert_set_cert_cb(CERT *c, int (*cb) (SSL *ssl, void *arg), 1092 void *arg); 1093 1094 int ssl_verify_cert_chain(SSL *s, STACK_OF(X509) *sk); 1095 int ssl_add_cert_chain(SSL *s, CERT_PKEY *cpk, unsigned long *l); 1096 int ssl_build_cert_chain(CERT *c, X509_STORE *chain_store, int flags); 1097 int ssl_cert_set_cert_store(CERT *c, X509_STORE *store, int chain, int ref); 1098 int ssl_undefined_function(SSL *s); 1099 int ssl_undefined_void_function(void); 1100 int ssl_undefined_const_function(const SSL *s); 1101 CERT_PKEY *ssl_get_server_send_pkey(const SSL *s); 1102 # ifndef OPENSSL_NO_TLSEXT 1103 int ssl_get_server_cert_serverinfo(SSL *s, const unsigned char **serverinfo, 1104 size_t *serverinfo_length); 1105 # endif 1106 EVP_PKEY *ssl_get_sign_pkey(SSL *s, const SSL_CIPHER *c, const EVP_MD **pmd); 1107 int ssl_cert_type(X509 *x, EVP_PKEY *pkey); 1108 void ssl_set_cert_masks(CERT *c, const SSL_CIPHER *cipher); 1109 STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s); 1110 int ssl_verify_alarm_type(long type); 1111 void ssl_load_ciphers(void); 1112 int ssl_fill_hello_random(SSL *s, int server, unsigned char *field, int len); 1113 1114 int ssl2_enc_init(SSL *s, int client); 1115 int ssl2_generate_key_material(SSL *s); 1116 int ssl2_enc(SSL *s, int send_data); 1117 void ssl2_mac(SSL *s, unsigned char *mac, int send_data); 1118 const SSL_CIPHER *ssl2_get_cipher_by_char(const unsigned char *p); 1119 int ssl2_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p); 1120 int ssl2_part_read(SSL *s, unsigned long f, int i); 1121 int ssl2_do_write(SSL *s); 1122 int ssl2_set_certificate(SSL *s, int type, int len, 1123 const unsigned char *data); 1124 void ssl2_return_error(SSL *s, int reason); 1125 void ssl2_write_error(SSL *s); 1126 int ssl2_num_ciphers(void); 1127 const SSL_CIPHER *ssl2_get_cipher(unsigned int u); 1128 int ssl2_new(SSL *s); 1129 void ssl2_free(SSL *s); 1130 int ssl2_accept(SSL *s); 1131 int ssl2_connect(SSL *s); 1132 int ssl2_read(SSL *s, void *buf, int len); 1133 int ssl2_peek(SSL *s, void *buf, int len); 1134 int ssl2_write(SSL *s, const void *buf, int len); 1135 int ssl2_shutdown(SSL *s); 1136 void ssl2_clear(SSL *s); 1137 long ssl2_ctrl(SSL *s, int cmd, long larg, void *parg); 1138 long ssl2_ctx_ctrl(SSL_CTX *s, int cmd, long larg, void *parg); 1139 long ssl2_callback_ctrl(SSL *s, int cmd, void (*fp) (void)); 1140 long ssl2_ctx_callback_ctrl(SSL_CTX *s, int cmd, void (*fp) (void)); 1141 int ssl2_pending(const SSL *s); 1142 long ssl2_default_timeout(void); 1143 1144 const SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p); 1145 int ssl3_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p); 1146 void ssl3_init_finished_mac(SSL *s); 1147 int ssl3_send_server_certificate(SSL *s); 1148 int ssl3_send_newsession_ticket(SSL *s); 1149 int ssl3_send_cert_status(SSL *s); 1150 int ssl3_get_finished(SSL *s, int state_a, int state_b); 1151 int ssl3_setup_key_block(SSL *s); 1152 int ssl3_send_change_cipher_spec(SSL *s, int state_a, int state_b); 1153 int ssl3_change_cipher_state(SSL *s, int which); 1154 void ssl3_cleanup_key_block(SSL *s); 1155 int ssl3_do_write(SSL *s, int type); 1156 int ssl3_send_alert(SSL *s, int level, int desc); 1157 int ssl3_generate_master_secret(SSL *s, unsigned char *out, 1158 unsigned char *p, int len); 1159 int ssl3_get_req_cert_type(SSL *s, unsigned char *p); 1160 long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok); 1161 int ssl3_send_finished(SSL *s, int a, int b, const char *sender, int slen); 1162 int ssl3_num_ciphers(void); 1163 const SSL_CIPHER *ssl3_get_cipher(unsigned int u); 1164 int ssl3_renegotiate(SSL *ssl); 1165 int ssl3_renegotiate_check(SSL *ssl); 1166 int ssl3_dispatch_alert(SSL *s); 1167 int ssl3_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek); 1168 int ssl3_write_bytes(SSL *s, int type, const void *buf, int len); 1169 int ssl3_final_finish_mac(SSL *s, const char *sender, int slen, 1170 unsigned char *p); 1171 int ssl3_cert_verify_mac(SSL *s, int md_nid, unsigned char *p); 1172 void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len); 1173 int ssl3_enc(SSL *s, int send_data); 1174 int n_ssl3_mac(SSL *ssl, unsigned char *md, int send_data); 1175 void ssl3_free_digest_list(SSL *s); 1176 unsigned long ssl3_output_cert_chain(SSL *s, CERT_PKEY *cpk); 1177 SSL_CIPHER *ssl3_choose_cipher(SSL *ssl, STACK_OF(SSL_CIPHER) *clnt, 1178 STACK_OF(SSL_CIPHER) *srvr); 1179 int ssl3_setup_buffers(SSL *s); 1180 int ssl3_setup_read_buffer(SSL *s); 1181 int ssl3_setup_write_buffer(SSL *s); 1182 int ssl3_release_read_buffer(SSL *s); 1183 int ssl3_release_write_buffer(SSL *s); 1184 int ssl3_digest_cached_records(SSL *s); 1185 int ssl3_new(SSL *s); 1186 void ssl3_free(SSL *s); 1187 int ssl3_accept(SSL *s); 1188 int ssl3_connect(SSL *s); 1189 int ssl3_read(SSL *s, void *buf, int len); 1190 int ssl3_peek(SSL *s, void *buf, int len); 1191 int ssl3_write(SSL *s, const void *buf, int len); 1192 int ssl3_shutdown(SSL *s); 1193 void ssl3_clear(SSL *s); 1194 long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg); 1195 long ssl3_ctx_ctrl(SSL_CTX *s, int cmd, long larg, void *parg); 1196 long ssl3_callback_ctrl(SSL *s, int cmd, void (*fp) (void)); 1197 long ssl3_ctx_callback_ctrl(SSL_CTX *s, int cmd, void (*fp) (void)); 1198 int ssl3_pending(const SSL *s); 1199 1200 void ssl3_record_sequence_update(unsigned char *seq); 1201 int ssl3_do_change_cipher_spec(SSL *ssl); 1202 long ssl3_default_timeout(void); 1203 1204 void ssl3_set_handshake_header(SSL *s, int htype, unsigned long len); 1205 int ssl3_handshake_write(SSL *s); 1206 1207 int ssl23_num_ciphers(void); 1208 const SSL_CIPHER *ssl23_get_cipher(unsigned int u); 1209 int ssl23_read(SSL *s, void *buf, int len); 1210 int ssl23_peek(SSL *s, void *buf, int len); 1211 int ssl23_write(SSL *s, const void *buf, int len); 1212 int ssl23_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p); 1213 const SSL_CIPHER *ssl23_get_cipher_by_char(const unsigned char *p); 1214 long ssl23_default_timeout(void); 1215 1216 long tls1_default_timeout(void); 1217 int dtls1_do_write(SSL *s, int type); 1218 int ssl3_read_n(SSL *s, int n, int max, int extend); 1219 int dtls1_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek); 1220 int ssl3_do_compress(SSL *ssl); 1221 int ssl3_do_uncompress(SSL *ssl); 1222 int ssl3_write_pending(SSL *s, int type, const unsigned char *buf, 1223 unsigned int len); 1224 unsigned char *dtls1_set_message_header(SSL *s, 1225 unsigned char *p, unsigned char mt, 1226 unsigned long len, 1227 unsigned long frag_off, 1228 unsigned long frag_len); 1229 1230 int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf, int len); 1231 int dtls1_write_bytes(SSL *s, int type, const void *buf, int len); 1232 1233 int dtls1_send_change_cipher_spec(SSL *s, int a, int b); 1234 int dtls1_read_failed(SSL *s, int code); 1235 int dtls1_buffer_message(SSL *s, int ccs); 1236 int dtls1_retransmit_message(SSL *s, unsigned short seq, 1237 unsigned long frag_off, int *found); 1238 int dtls1_get_queue_priority(unsigned short seq, int is_ccs); 1239 int dtls1_retransmit_buffered_messages(SSL *s); 1240 void dtls1_clear_record_buffer(SSL *s); 1241 void dtls1_get_message_header(unsigned char *data, 1242 struct hm_header_st *msg_hdr); 1243 void dtls1_get_ccs_header(unsigned char *data, struct ccs_header_st *ccs_hdr); 1244 void dtls1_reset_seq_numbers(SSL *s, int rw); 1245 long dtls1_default_timeout(void); 1246 struct timeval *dtls1_get_timeout(SSL *s, struct timeval *timeleft); 1247 int dtls1_check_timeout_num(SSL *s); 1248 int dtls1_handle_timeout(SSL *s); 1249 const SSL_CIPHER *dtls1_get_cipher(unsigned int u); 1250 void dtls1_start_timer(SSL *s); 1251 void dtls1_stop_timer(SSL *s); 1252 int dtls1_is_timer_expired(SSL *s); 1253 void dtls1_double_timeout(SSL *s); 1254 int dtls1_send_newsession_ticket(SSL *s); 1255 unsigned int dtls1_min_mtu(SSL *s); 1256 unsigned int dtls1_link_min_mtu(void); 1257 void dtls1_hm_fragment_free(hm_fragment *frag); 1258 1259 /* some client-only functions */ 1260 int ssl3_client_hello(SSL *s); 1261 int ssl3_get_server_hello(SSL *s); 1262 int ssl3_get_certificate_request(SSL *s); 1263 int ssl3_get_new_session_ticket(SSL *s); 1264 int ssl3_get_cert_status(SSL *s); 1265 int ssl3_get_server_done(SSL *s); 1266 int ssl3_send_client_verify(SSL *s); 1267 int ssl3_send_client_certificate(SSL *s); 1268 int ssl_do_client_cert_cb(SSL *s, X509 **px509, EVP_PKEY **ppkey); 1269 int ssl3_send_client_key_exchange(SSL *s); 1270 int ssl3_get_key_exchange(SSL *s); 1271 int ssl3_get_server_certificate(SSL *s); 1272 int ssl3_check_cert_and_algorithm(SSL *s); 1273 # ifndef OPENSSL_NO_TLSEXT 1274 # ifndef OPENSSL_NO_NEXTPROTONEG 1275 int ssl3_send_next_proto(SSL *s); 1276 # endif 1277 # endif 1278 1279 int dtls1_client_hello(SSL *s); 1280 1281 /* some server-only functions */ 1282 int ssl3_get_client_hello(SSL *s); 1283 int ssl3_send_server_hello(SSL *s); 1284 int ssl3_send_hello_request(SSL *s); 1285 int ssl3_send_server_key_exchange(SSL *s); 1286 int ssl3_send_certificate_request(SSL *s); 1287 int ssl3_send_server_done(SSL *s); 1288 int ssl3_get_client_certificate(SSL *s); 1289 int ssl3_get_client_key_exchange(SSL *s); 1290 int ssl3_get_cert_verify(SSL *s); 1291 # ifndef OPENSSL_NO_NEXTPROTONEG 1292 int ssl3_get_next_proto(SSL *s); 1293 # endif 1294 1295 int ssl23_accept(SSL *s); 1296 int ssl23_connect(SSL *s); 1297 int ssl23_read_bytes(SSL *s, int n); 1298 int ssl23_write_bytes(SSL *s); 1299 1300 int tls1_new(SSL *s); 1301 void tls1_free(SSL *s); 1302 void tls1_clear(SSL *s); 1303 long tls1_ctrl(SSL *s, int cmd, long larg, void *parg); 1304 long tls1_callback_ctrl(SSL *s, int cmd, void (*fp) (void)); 1305 1306 int dtls1_new(SSL *s); 1307 int dtls1_accept(SSL *s); 1308 int dtls1_connect(SSL *s); 1309 void dtls1_free(SSL *s); 1310 void dtls1_clear(SSL *s); 1311 long dtls1_ctrl(SSL *s, int cmd, long larg, void *parg); 1312 int dtls1_shutdown(SSL *s); 1313 1314 long dtls1_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok); 1315 int dtls1_get_record(SSL *s); 1316 int do_dtls1_write(SSL *s, int type, const unsigned char *buf, 1317 unsigned int len, int create_empty_fragement); 1318 int dtls1_dispatch_alert(SSL *s); 1319 1320 int ssl_init_wbio_buffer(SSL *s, int push); 1321 void ssl_free_wbio_buffer(SSL *s); 1322 1323 int tls1_change_cipher_state(SSL *s, int which); 1324 int tls1_setup_key_block(SSL *s); 1325 int tls1_enc(SSL *s, int snd); 1326 int tls1_final_finish_mac(SSL *s, 1327 const char *str, int slen, unsigned char *p); 1328 int tls1_cert_verify_mac(SSL *s, int md_nid, unsigned char *p); 1329 int tls1_mac(SSL *ssl, unsigned char *md, int snd); 1330 int tls1_generate_master_secret(SSL *s, unsigned char *out, 1331 unsigned char *p, int len); 1332 int tls1_export_keying_material(SSL *s, unsigned char *out, size_t olen, 1333 const char *label, size_t llen, 1334 const unsigned char *p, size_t plen, 1335 int use_context); 1336 int tls1_alert_code(int code); 1337 int ssl3_alert_code(int code); 1338 int ssl_ok(SSL *s); 1339 1340 # ifndef OPENSSL_NO_ECDH 1341 int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s); 1342 # endif 1343 1344 SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n); 1345 1346 # ifndef OPENSSL_NO_EC 1347 int tls1_ec_curve_id2nid(int curve_id); 1348 int tls1_ec_nid2curve_id(int nid); 1349 int tls1_check_curve(SSL *s, const unsigned char *p, size_t len); 1350 int tls1_shared_curve(SSL *s, int nmatch); 1351 int tls1_set_curves(unsigned char **pext, size_t *pextlen, 1352 int *curves, size_t ncurves); 1353 int tls1_set_curves_list(unsigned char **pext, size_t *pextlen, 1354 const char *str); 1355 # ifndef OPENSSL_NO_ECDH 1356 int tls1_check_ec_tmp_key(SSL *s, unsigned long id); 1357 # endif /* OPENSSL_NO_ECDH */ 1358 # endif /* OPENSSL_NO_EC */ 1359 1360 # ifndef OPENSSL_NO_TLSEXT 1361 int tls1_shared_list(SSL *s, 1362 const unsigned char *l1, size_t l1len, 1363 const unsigned char *l2, size_t l2len, int nmatch); 1364 unsigned char *ssl_add_clienthello_tlsext(SSL *s, unsigned char *buf, 1365 unsigned char *limit, int *al); 1366 unsigned char *ssl_add_serverhello_tlsext(SSL *s, unsigned char *buf, 1367 unsigned char *limit, int *al); 1368 int ssl_parse_clienthello_tlsext(SSL *s, unsigned char **data, 1369 unsigned char *limit); 1370 int tls1_set_server_sigalgs(SSL *s); 1371 int ssl_check_clienthello_tlsext_late(SSL *s); 1372 int ssl_parse_serverhello_tlsext(SSL *s, unsigned char **data, 1373 unsigned char *d, int n); 1374 int ssl_prepare_clienthello_tlsext(SSL *s); 1375 int ssl_prepare_serverhello_tlsext(SSL *s); 1376 1377 # ifndef OPENSSL_NO_HEARTBEATS 1378 int tls1_heartbeat(SSL *s); 1379 int dtls1_heartbeat(SSL *s); 1380 int tls1_process_heartbeat(SSL *s); 1381 int dtls1_process_heartbeat(SSL *s); 1382 # endif 1383 1384 # ifdef OPENSSL_NO_SHA256 1385 # define tlsext_tick_md EVP_sha1 1386 # else 1387 # define tlsext_tick_md EVP_sha256 1388 # endif 1389 int tls1_process_ticket(SSL *s, unsigned char *session_id, int len, 1390 const unsigned char *limit, SSL_SESSION **ret); 1391 1392 int tls12_get_sigandhash(unsigned char *p, const EVP_PKEY *pk, 1393 const EVP_MD *md); 1394 int tls12_get_sigid(const EVP_PKEY *pk); 1395 const EVP_MD *tls12_get_hash(unsigned char hash_alg); 1396 1397 int tls1_set_sigalgs_list(CERT *c, const char *str, int client); 1398 int tls1_set_sigalgs(CERT *c, const int *salg, size_t salglen, int client); 1399 int tls1_check_chain(SSL *s, X509 *x, EVP_PKEY *pk, STACK_OF(X509) *chain, 1400 int idx); 1401 void tls1_set_cert_validity(SSL *s); 1402 1403 # endif 1404 EVP_MD_CTX *ssl_replace_hash(EVP_MD_CTX **hash, const EVP_MD *md); 1405 void ssl_clear_hash_ctx(EVP_MD_CTX **hash); 1406 int ssl_add_serverhello_renegotiate_ext(SSL *s, unsigned char *p, int *len, 1407 int maxlen); 1408 int ssl_parse_serverhello_renegotiate_ext(SSL *s, unsigned char *d, int len, 1409 int *al); 1410 int ssl_add_clienthello_renegotiate_ext(SSL *s, unsigned char *p, int *len, 1411 int maxlen); 1412 int ssl_parse_clienthello_renegotiate_ext(SSL *s, unsigned char *d, int len, 1413 int *al); 1414 long ssl_get_algorithm2(SSL *s); 1415 int tls1_save_sigalgs(SSL *s, const unsigned char *data, int dsize); 1416 int tls1_process_sigalgs(SSL *s); 1417 size_t tls12_get_psigalgs(SSL *s, const unsigned char **psigs); 1418 int tls12_check_peer_sigalg(const EVP_MD **pmd, SSL *s, 1419 const unsigned char *sig, EVP_PKEY *pkey); 1420 void ssl_set_client_disabled(SSL *s); 1421 1422 int ssl_add_clienthello_use_srtp_ext(SSL *s, unsigned char *p, int *len, 1423 int maxlen); 1424 int ssl_parse_clienthello_use_srtp_ext(SSL *s, unsigned char *d, int len, 1425 int *al); 1426 int ssl_add_serverhello_use_srtp_ext(SSL *s, unsigned char *p, int *len, 1427 int maxlen); 1428 int ssl_parse_serverhello_use_srtp_ext(SSL *s, unsigned char *d, int len, 1429 int *al); 1430 1431 /* s3_cbc.c */ 1432 void ssl3_cbc_copy_mac(unsigned char *out, 1433 const SSL3_RECORD *rec, 1434 unsigned md_size, unsigned orig_len); 1435 int ssl3_cbc_remove_padding(const SSL *s, 1436 SSL3_RECORD *rec, 1437 unsigned block_size, unsigned mac_size); 1438 int tls1_cbc_remove_padding(const SSL *s, 1439 SSL3_RECORD *rec, 1440 unsigned block_size, unsigned mac_size); 1441 char ssl3_cbc_record_digest_supported(const EVP_MD_CTX *ctx); 1442 int ssl3_cbc_digest_record(const EVP_MD_CTX *ctx, 1443 unsigned char *md_out, 1444 size_t *md_out_size, 1445 const unsigned char header[13], 1446 const unsigned char *data, 1447 size_t data_plus_mac_size, 1448 size_t data_plus_mac_plus_padding_size, 1449 const unsigned char *mac_secret, 1450 unsigned mac_secret_length, char is_sslv3); 1451 1452 void tls_fips_digest_extra(const EVP_CIPHER_CTX *cipher_ctx, 1453 EVP_MD_CTX *mac_ctx, const unsigned char *data, 1454 size_t data_len, size_t orig_len); 1455 1456 int srp_verify_server_param(SSL *s, int *al); 1457 1458 /* t1_ext.c */ 1459 1460 void custom_ext_init(custom_ext_methods *meths); 1461 1462 int custom_ext_parse(SSL *s, int server, 1463 unsigned int ext_type, 1464 const unsigned char *ext_data, size_t ext_size, int *al); 1465 int custom_ext_add(SSL *s, int server, 1466 unsigned char **pret, unsigned char *limit, int *al); 1467 1468 int custom_exts_copy(custom_ext_methods *dst, const custom_ext_methods *src); 1469 void custom_exts_free(custom_ext_methods *exts); 1470 1471 # else 1472 1473 # define ssl_init_wbio_buffer SSL_test_functions()->p_ssl_init_wbio_buffer 1474 # define ssl3_setup_buffers SSL_test_functions()->p_ssl3_setup_buffers 1475 # define tls1_process_heartbeat SSL_test_functions()->p_tls1_process_heartbeat 1476 # define dtls1_process_heartbeat SSL_test_functions()->p_dtls1_process_heartbeat 1477 1478 # endif 1479 #endif 1480