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 #define SSL_kRSA 0x00000001L /* RSA key exchange */ 292 #define SSL_kDHr 0x00000002L /* DH cert, RSA CA cert */ /* no such ciphersuites supported! */ 293 #define SSL_kDHd 0x00000004L /* DH cert, DSA CA cert */ /* no such ciphersuite supported! */ 294 #define SSL_kEDH 0x00000008L /* tmp DH key no DH cert */ 295 #define SSL_kKRB5 0x00000010L /* Kerberos5 key exchange */ 296 #define SSL_kECDHr 0x00000020L /* ECDH cert, RSA CA cert */ 297 #define SSL_kECDHe 0x00000040L /* ECDH cert, ECDSA CA cert */ 298 #define SSL_kEECDH 0x00000080L /* ephemeral ECDH */ 299 #define SSL_kPSK 0x00000100L /* PSK */ 300 #define SSL_kGOST 0x00000200L /* GOST key exchange */ 301 #define SSL_kSRP 0x00000400L /* SRP */ 302 303 /* Bits for algorithm_auth (server authentication) */ 304 #define SSL_aRSA 0x00000001L /* RSA auth */ 305 #define SSL_aDSS 0x00000002L /* DSS auth */ 306 #define SSL_aNULL 0x00000004L /* no auth (i.e. use ADH or AECDH) */ 307 #define SSL_aDH 0x00000008L /* Fixed DH auth (kDHd or kDHr) */ /* no such ciphersuites supported! */ 308 #define SSL_aECDH 0x00000010L /* Fixed ECDH auth (kECDHe or kECDHr) */ 309 #define SSL_aKRB5 0x00000020L /* KRB5 auth */ 310 #define SSL_aECDSA 0x00000040L /* ECDSA auth*/ 311 #define SSL_aPSK 0x00000080L /* PSK auth */ 312 #define SSL_aGOST94 0x00000100L /* GOST R 34.10-94 signature auth */ 313 #define SSL_aGOST01 0x00000200L /* GOST R 34.10-2001 signature auth */ 314 #define SSL_aSRP 0x00000400L /* SRP auth */ 315 316 317 /* Bits for algorithm_enc (symmetric encryption) */ 318 #define SSL_DES 0x00000001L 319 #define SSL_3DES 0x00000002L 320 #define SSL_RC4 0x00000004L 321 #define SSL_RC2 0x00000008L 322 #define SSL_IDEA 0x00000010L 323 #define SSL_eNULL 0x00000020L 324 #define SSL_AES128 0x00000040L 325 #define SSL_AES256 0x00000080L 326 #define SSL_CAMELLIA128 0x00000100L 327 #define SSL_CAMELLIA256 0x00000200L 328 #define SSL_eGOST2814789CNT 0x00000400L 329 #define SSL_SEED 0x00000800L 330 #define SSL_AES128GCM 0x00001000L 331 #define SSL_AES256GCM 0x00002000L 332 333 #define SSL_AES (SSL_AES128|SSL_AES256|SSL_AES128GCM|SSL_AES256GCM) 334 #define SSL_CAMELLIA (SSL_CAMELLIA128|SSL_CAMELLIA256) 335 336 337 /* Bits for algorithm_mac (symmetric authentication) */ 338 339 #define SSL_MD5 0x00000001L 340 #define SSL_SHA1 0x00000002L 341 #define SSL_GOST94 0x00000004L 342 #define SSL_GOST89MAC 0x00000008L 343 #define SSL_SHA256 0x00000010L 344 #define SSL_SHA384 0x00000020L 345 /* Not a real MAC, just an indication it is part of cipher */ 346 #define SSL_AEAD 0x00000040L 347 348 /* Bits for algorithm_ssl (protocol version) */ 349 #define SSL_SSLV2 0x00000001L 350 #define SSL_SSLV3 0x00000002L 351 #define SSL_TLSV1 SSL_SSLV3 /* for now */ 352 #define SSL_TLSV1_2 0x00000004L 353 354 355 /* Bits for algorithm2 (handshake digests and other extra flags) */ 356 357 #define SSL_HANDSHAKE_MAC_MD5 0x10 358 #define SSL_HANDSHAKE_MAC_SHA 0x20 359 #define SSL_HANDSHAKE_MAC_GOST94 0x40 360 #define SSL_HANDSHAKE_MAC_SHA256 0x80 361 #define SSL_HANDSHAKE_MAC_SHA384 0x100 362 #define SSL_HANDSHAKE_MAC_DEFAULT (SSL_HANDSHAKE_MAC_MD5 | SSL_HANDSHAKE_MAC_SHA) 363 364 /* When adding new digest in the ssl_ciph.c and increment SSM_MD_NUM_IDX 365 * make sure to update this constant too */ 366 #define SSL_MAX_DIGEST 6 367 368 #define TLS1_PRF_DGST_MASK (0xff << TLS1_PRF_DGST_SHIFT) 369 370 #define TLS1_PRF_DGST_SHIFT 10 371 #define TLS1_PRF_MD5 (SSL_HANDSHAKE_MAC_MD5 << TLS1_PRF_DGST_SHIFT) 372 #define TLS1_PRF_SHA1 (SSL_HANDSHAKE_MAC_SHA << TLS1_PRF_DGST_SHIFT) 373 #define TLS1_PRF_SHA256 (SSL_HANDSHAKE_MAC_SHA256 << TLS1_PRF_DGST_SHIFT) 374 #define TLS1_PRF_SHA384 (SSL_HANDSHAKE_MAC_SHA384 << TLS1_PRF_DGST_SHIFT) 375 #define TLS1_PRF_GOST94 (SSL_HANDSHAKE_MAC_GOST94 << TLS1_PRF_DGST_SHIFT) 376 #define TLS1_PRF (TLS1_PRF_MD5 | TLS1_PRF_SHA1) 377 378 /* Stream MAC for GOST ciphersuites from cryptopro draft 379 * (currently this also goes into algorithm2) */ 380 #define TLS1_STREAM_MAC 0x04 381 382 #define TLSEXT_CHANNEL_ID_SIZE 128 383 384 385 /* 386 * Export and cipher strength information. For each cipher we have to decide 387 * whether it is exportable or not. This information is likely to change 388 * over time, since the export control rules are no static technical issue. 389 * 390 * Independent of the export flag the cipher strength is sorted into classes. 391 * SSL_EXP40 was denoting the 40bit US export limit of past times, which now 392 * is at 56bit (SSL_EXP56). If the exportable cipher class is going to change 393 * again (eg. to 64bit) the use of "SSL_EXP*" becomes blurred even more, 394 * since SSL_EXP64 could be similar to SSL_LOW. 395 * For this reason SSL_MICRO and SSL_MINI macros are included to widen the 396 * namespace of SSL_LOW-SSL_HIGH to lower values. As development of speed 397 * and ciphers goes, another extension to SSL_SUPER and/or SSL_ULTRA would 398 * be possible. 399 */ 400 #define SSL_EXP_MASK 0x00000003L 401 #define SSL_STRONG_MASK 0x000001fcL 402 403 #define SSL_NOT_EXP 0x00000001L 404 #define SSL_EXPORT 0x00000002L 405 406 #define SSL_STRONG_NONE 0x00000004L 407 #define SSL_EXP40 0x00000008L 408 #define SSL_MICRO (SSL_EXP40) 409 #define SSL_EXP56 0x00000010L 410 #define SSL_MINI (SSL_EXP56) 411 #define SSL_LOW 0x00000020L 412 #define SSL_MEDIUM 0x00000040L 413 #define SSL_HIGH 0x00000080L 414 #define SSL_FIPS 0x00000100L 415 416 /* we have used 000001ff - 23 bits left to go */ 417 418 /* 419 * Macros to check the export status and cipher strength for export ciphers. 420 * Even though the macros for EXPORT and EXPORT40/56 have similar names, 421 * their meaning is different: 422 * *_EXPORT macros check the 'exportable' status. 423 * *_EXPORT40/56 macros are used to check whether a certain cipher strength 424 * is given. 425 * Since the SSL_IS_EXPORT* and SSL_EXPORT* macros depend on the correct 426 * algorithm structure element to be passed (algorithms, algo_strength) and no 427 * typechecking can be done as they are all of type unsigned long, their 428 * direct usage is discouraged. 429 * Use the SSL_C_* macros instead. 430 */ 431 #define SSL_IS_EXPORT(a) ((a)&SSL_EXPORT) 432 #define SSL_IS_EXPORT56(a) ((a)&SSL_EXP56) 433 #define SSL_IS_EXPORT40(a) ((a)&SSL_EXP40) 434 #define SSL_C_IS_EXPORT(c) SSL_IS_EXPORT((c)->algo_strength) 435 #define SSL_C_IS_EXPORT56(c) SSL_IS_EXPORT56((c)->algo_strength) 436 #define SSL_C_IS_EXPORT40(c) SSL_IS_EXPORT40((c)->algo_strength) 437 438 #define SSL_EXPORT_KEYLENGTH(a,s) (SSL_IS_EXPORT40(s) ? 5 : \ 439 (a) == SSL_DES ? 8 : 7) 440 #define SSL_EXPORT_PKEYLENGTH(a) (SSL_IS_EXPORT40(a) ? 512 : 1024) 441 #define SSL_C_EXPORT_KEYLENGTH(c) SSL_EXPORT_KEYLENGTH((c)->algorithm_enc, \ 442 (c)->algo_strength) 443 #define SSL_C_EXPORT_PKEYLENGTH(c) SSL_EXPORT_PKEYLENGTH((c)->algo_strength) 444 445 446 447 448 /* Mostly for SSLv3 */ 449 #define SSL_PKEY_RSA_ENC 0 450 #define SSL_PKEY_RSA_SIGN 1 451 #define SSL_PKEY_DSA_SIGN 2 452 #define SSL_PKEY_DH_RSA 3 453 #define SSL_PKEY_DH_DSA 4 454 #define SSL_PKEY_ECC 5 455 #define SSL_PKEY_GOST94 6 456 #define SSL_PKEY_GOST01 7 457 #define SSL_PKEY_NUM 8 458 459 /* SSL_kRSA <- RSA_ENC | (RSA_TMP & RSA_SIGN) | 460 * <- (EXPORT & (RSA_ENC | RSA_TMP) & RSA_SIGN) 461 * SSL_kDH <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN) 462 * SSL_kEDH <- RSA_ENC | RSA_SIGN | DSA_SIGN 463 * SSL_aRSA <- RSA_ENC | RSA_SIGN 464 * SSL_aDSS <- DSA_SIGN 465 */ 466 467 /* 468 #define CERT_INVALID 0 469 #define CERT_PUBLIC_KEY 1 470 #define CERT_PRIVATE_KEY 2 471 */ 472 473 #ifndef OPENSSL_NO_EC 474 /* From ECC-TLS draft, used in encoding the curve type in 475 * ECParameters 476 */ 477 #define EXPLICIT_PRIME_CURVE_TYPE 1 478 #define EXPLICIT_CHAR2_CURVE_TYPE 2 479 #define NAMED_CURVE_TYPE 3 480 #endif /* OPENSSL_NO_EC */ 481 482 typedef struct cert_pkey_st 483 { 484 X509 *x509; 485 STACK_OF(X509) *cert_chain; 486 EVP_PKEY *privatekey; 487 } CERT_PKEY; 488 489 typedef struct cert_st 490 { 491 /* Current active set */ 492 CERT_PKEY *key; /* ALWAYS points to an element of the pkeys array 493 * Probably it would make more sense to store 494 * an index, not a pointer. */ 495 496 /* The following masks are for the key and auth 497 * algorithms that are supported by the certs below */ 498 int valid; 499 unsigned long mask_k; 500 unsigned long mask_a; 501 unsigned long export_mask_k; 502 unsigned long export_mask_a; 503 #ifndef OPENSSL_NO_RSA 504 RSA *rsa_tmp; 505 RSA *(*rsa_tmp_cb)(SSL *ssl,int is_export,int keysize); 506 #endif 507 #ifndef OPENSSL_NO_DH 508 DH *dh_tmp; 509 DH *(*dh_tmp_cb)(SSL *ssl,int is_export,int keysize); 510 #endif 511 #ifndef OPENSSL_NO_ECDH 512 EC_KEY *ecdh_tmp; 513 /* Callback for generating ephemeral ECDH keys */ 514 EC_KEY *(*ecdh_tmp_cb)(SSL *ssl,int is_export,int keysize); 515 #endif 516 517 CERT_PKEY pkeys[SSL_PKEY_NUM]; 518 519 int references; /* >1 only if SSL_copy_session_id is used */ 520 } CERT; 521 522 523 typedef struct sess_cert_st 524 { 525 STACK_OF(X509) *cert_chain; /* as received from peer (not for SSL2) */ 526 527 /* The 'peer_...' members are used only by clients. */ 528 int peer_cert_type; 529 530 CERT_PKEY *peer_key; /* points to an element of peer_pkeys (never NULL!) */ 531 CERT_PKEY peer_pkeys[SSL_PKEY_NUM]; 532 /* Obviously we don't have the private keys of these, 533 * so maybe we shouldn't even use the CERT_PKEY type here. */ 534 535 #ifndef OPENSSL_NO_RSA 536 RSA *peer_rsa_tmp; /* not used for SSL 2 */ 537 #endif 538 #ifndef OPENSSL_NO_DH 539 DH *peer_dh_tmp; /* not used for SSL 2 */ 540 #endif 541 #ifndef OPENSSL_NO_ECDH 542 EC_KEY *peer_ecdh_tmp; 543 #endif 544 545 int references; /* actually always 1 at the moment */ 546 } SESS_CERT; 547 548 549 /*#define MAC_DEBUG */ 550 551 /*#define ERR_DEBUG */ 552 /*#define ABORT_DEBUG */ 553 /*#define PKT_DEBUG 1 */ 554 /*#define DES_DEBUG */ 555 /*#define DES_OFB_DEBUG */ 556 /*#define SSL_DEBUG */ 557 /*#define RSA_DEBUG */ 558 /*#define IDEA_DEBUG */ 559 560 #define FP_ICC (int (*)(const void *,const void *)) 561 #define ssl_put_cipher_by_char(ssl,ciph,ptr) \ 562 ((ssl)->method->put_cipher_by_char((ciph),(ptr))) 563 #define ssl_get_cipher_by_char(ssl,ptr) \ 564 ((ssl)->method->get_cipher_by_char(ptr)) 565 566 /* This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff 567 * It is a bit of a mess of functions, but hell, think of it as 568 * an opaque structure :-) */ 569 typedef struct ssl3_enc_method 570 { 571 int (*enc)(SSL *, int); 572 int (*mac)(SSL *, unsigned char *, int); 573 int (*setup_key_block)(SSL *); 574 int (*generate_master_secret)(SSL *, unsigned char *, unsigned char *, int); 575 int (*change_cipher_state)(SSL *, int); 576 int (*final_finish_mac)(SSL *, const char *, int, unsigned char *); 577 int finish_mac_length; 578 int (*cert_verify_mac)(SSL *, int, unsigned char *); 579 const char *client_finished_label; 580 int client_finished_label_len; 581 const char *server_finished_label; 582 int server_finished_label_len; 583 int (*alert_value)(int); 584 int (*export_keying_material)(SSL *, unsigned char *, size_t, 585 const char *, size_t, 586 const unsigned char *, size_t, 587 int use_context); 588 } SSL3_ENC_METHOD; 589 590 #ifndef OPENSSL_NO_COMP 591 /* Used for holding the relevant compression methods loaded into SSL_CTX */ 592 typedef struct ssl3_comp_st 593 { 594 int comp_id; /* The identifier byte for this compression type */ 595 char *name; /* Text name used for the compression type */ 596 COMP_METHOD *method; /* The method :-) */ 597 } SSL3_COMP; 598 #endif 599 600 #ifndef OPENSSL_NO_BUF_FREELISTS 601 typedef struct ssl3_buf_freelist_st 602 { 603 size_t chunklen; 604 unsigned int len; 605 struct ssl3_buf_freelist_entry_st *head; 606 } SSL3_BUF_FREELIST; 607 608 typedef struct ssl3_buf_freelist_entry_st 609 { 610 struct ssl3_buf_freelist_entry_st *next; 611 } SSL3_BUF_FREELIST_ENTRY; 612 #endif 613 614 extern SSL3_ENC_METHOD ssl3_undef_enc_method; 615 OPENSSL_EXTERN const SSL_CIPHER ssl2_ciphers[]; 616 OPENSSL_EXTERN SSL_CIPHER ssl3_ciphers[]; 617 618 619 SSL_METHOD *ssl_bad_method(int ver); 620 621 extern SSL3_ENC_METHOD TLSv1_enc_data; 622 extern SSL3_ENC_METHOD SSLv3_enc_data; 623 extern SSL3_ENC_METHOD DTLSv1_enc_data; 624 625 #define SSL_IS_DTLS(s) (s->method->version == DTLS1_VERSION) 626 627 #define IMPLEMENT_tls_meth_func(version, func_name, s_accept, s_connect, \ 628 s_get_meth) \ 629 const SSL_METHOD *func_name(void) \ 630 { \ 631 static const SSL_METHOD func_name##_data= { \ 632 version, \ 633 tls1_new, \ 634 tls1_clear, \ 635 tls1_free, \ 636 s_accept, \ 637 s_connect, \ 638 ssl3_read, \ 639 ssl3_peek, \ 640 ssl3_write, \ 641 ssl3_shutdown, \ 642 ssl3_renegotiate, \ 643 ssl3_renegotiate_check, \ 644 ssl3_get_message, \ 645 ssl3_read_bytes, \ 646 ssl3_write_bytes, \ 647 ssl3_dispatch_alert, \ 648 ssl3_ctrl, \ 649 ssl3_ctx_ctrl, \ 650 ssl3_get_cipher_by_char, \ 651 ssl3_put_cipher_by_char, \ 652 ssl3_pending, \ 653 ssl3_num_ciphers, \ 654 ssl3_get_cipher, \ 655 s_get_meth, \ 656 tls1_default_timeout, \ 657 &TLSv1_enc_data, \ 658 ssl_undefined_void_function, \ 659 ssl3_callback_ctrl, \ 660 ssl3_ctx_callback_ctrl, \ 661 }; \ 662 return &func_name##_data; \ 663 } 664 665 #define IMPLEMENT_ssl3_meth_func(func_name, s_accept, s_connect, s_get_meth) \ 666 const SSL_METHOD *func_name(void) \ 667 { \ 668 static const SSL_METHOD func_name##_data= { \ 669 SSL3_VERSION, \ 670 ssl3_new, \ 671 ssl3_clear, \ 672 ssl3_free, \ 673 s_accept, \ 674 s_connect, \ 675 ssl3_read, \ 676 ssl3_peek, \ 677 ssl3_write, \ 678 ssl3_shutdown, \ 679 ssl3_renegotiate, \ 680 ssl3_renegotiate_check, \ 681 ssl3_get_message, \ 682 ssl3_read_bytes, \ 683 ssl3_write_bytes, \ 684 ssl3_dispatch_alert, \ 685 ssl3_ctrl, \ 686 ssl3_ctx_ctrl, \ 687 ssl3_get_cipher_by_char, \ 688 ssl3_put_cipher_by_char, \ 689 ssl3_pending, \ 690 ssl3_num_ciphers, \ 691 ssl3_get_cipher, \ 692 s_get_meth, \ 693 ssl3_default_timeout, \ 694 &SSLv3_enc_data, \ 695 ssl_undefined_void_function, \ 696 ssl3_callback_ctrl, \ 697 ssl3_ctx_callback_ctrl, \ 698 }; \ 699 return &func_name##_data; \ 700 } 701 702 #define IMPLEMENT_ssl23_meth_func(func_name, s_accept, s_connect, s_get_meth) \ 703 const SSL_METHOD *func_name(void) \ 704 { \ 705 static const SSL_METHOD func_name##_data= { \ 706 TLS1_2_VERSION, \ 707 tls1_new, \ 708 tls1_clear, \ 709 tls1_free, \ 710 s_accept, \ 711 s_connect, \ 712 ssl23_read, \ 713 ssl23_peek, \ 714 ssl23_write, \ 715 ssl_undefined_function, \ 716 ssl_undefined_function, \ 717 ssl_ok, \ 718 ssl3_get_message, \ 719 ssl3_read_bytes, \ 720 ssl3_write_bytes, \ 721 ssl3_dispatch_alert, \ 722 ssl3_ctrl, \ 723 ssl3_ctx_ctrl, \ 724 ssl23_get_cipher_by_char, \ 725 ssl23_put_cipher_by_char, \ 726 ssl_undefined_const_function, \ 727 ssl23_num_ciphers, \ 728 ssl23_get_cipher, \ 729 s_get_meth, \ 730 ssl23_default_timeout, \ 731 &ssl3_undef_enc_method, \ 732 ssl_undefined_void_function, \ 733 ssl3_callback_ctrl, \ 734 ssl3_ctx_callback_ctrl, \ 735 }; \ 736 return &func_name##_data; \ 737 } 738 739 #define IMPLEMENT_ssl2_meth_func(func_name, s_accept, s_connect, s_get_meth) \ 740 const SSL_METHOD *func_name(void) \ 741 { \ 742 static const SSL_METHOD func_name##_data= { \ 743 SSL2_VERSION, \ 744 ssl2_new, /* local */ \ 745 ssl2_clear, /* local */ \ 746 ssl2_free, /* local */ \ 747 s_accept, \ 748 s_connect, \ 749 ssl2_read, \ 750 ssl2_peek, \ 751 ssl2_write, \ 752 ssl2_shutdown, \ 753 ssl_ok, /* NULL - renegotiate */ \ 754 ssl_ok, /* NULL - check renegotiate */ \ 755 NULL, /* NULL - ssl_get_message */ \ 756 NULL, /* NULL - ssl_get_record */ \ 757 NULL, /* NULL - ssl_write_bytes */ \ 758 NULL, /* NULL - dispatch_alert */ \ 759 ssl2_ctrl, /* local */ \ 760 ssl2_ctx_ctrl, /* local */ \ 761 ssl2_get_cipher_by_char, \ 762 ssl2_put_cipher_by_char, \ 763 ssl2_pending, \ 764 ssl2_num_ciphers, \ 765 ssl2_get_cipher, \ 766 s_get_meth, \ 767 ssl2_default_timeout, \ 768 &ssl3_undef_enc_method, \ 769 ssl_undefined_void_function, \ 770 ssl2_callback_ctrl, /* local */ \ 771 ssl2_ctx_callback_ctrl, /* local */ \ 772 }; \ 773 return &func_name##_data; \ 774 } 775 776 #define IMPLEMENT_dtls1_meth_func(func_name, s_accept, s_connect, s_get_meth) \ 777 const SSL_METHOD *func_name(void) \ 778 { \ 779 static const SSL_METHOD func_name##_data= { \ 780 DTLS1_VERSION, \ 781 dtls1_new, \ 782 dtls1_clear, \ 783 dtls1_free, \ 784 s_accept, \ 785 s_connect, \ 786 ssl3_read, \ 787 ssl3_peek, \ 788 ssl3_write, \ 789 dtls1_shutdown, \ 790 ssl3_renegotiate, \ 791 ssl3_renegotiate_check, \ 792 dtls1_get_message, \ 793 dtls1_read_bytes, \ 794 dtls1_write_app_data_bytes, \ 795 dtls1_dispatch_alert, \ 796 dtls1_ctrl, \ 797 ssl3_ctx_ctrl, \ 798 ssl3_get_cipher_by_char, \ 799 ssl3_put_cipher_by_char, \ 800 ssl3_pending, \ 801 ssl3_num_ciphers, \ 802 dtls1_get_cipher, \ 803 s_get_meth, \ 804 dtls1_default_timeout, \ 805 &DTLSv1_enc_data, \ 806 ssl_undefined_void_function, \ 807 ssl3_callback_ctrl, \ 808 ssl3_ctx_callback_ctrl, \ 809 }; \ 810 return &func_name##_data; \ 811 } 812 813 struct openssl_ssl_test_functions 814 { 815 int (*p_ssl_init_wbio_buffer)(SSL *s, int push); 816 int (*p_ssl3_setup_buffers)(SSL *s); 817 int (*p_tls1_process_heartbeat)(SSL *s); 818 int (*p_dtls1_process_heartbeat)(SSL *s); 819 }; 820 821 #ifndef OPENSSL_UNIT_TEST 822 823 void ssl_clear_cipher_ctx(SSL *s); 824 int ssl_clear_bad_session(SSL *s); 825 CERT *ssl_cert_new(void); 826 CERT *ssl_cert_dup(CERT *cert); 827 int ssl_cert_inst(CERT **o); 828 void ssl_cert_free(CERT *c); 829 SESS_CERT *ssl_sess_cert_new(void); 830 void ssl_sess_cert_free(SESS_CERT *sc); 831 int ssl_set_peer_cert_type(SESS_CERT *c, int type); 832 int ssl_get_new_session(SSL *s, int session); 833 int ssl_get_prev_session(SSL *s, unsigned char *session,int len, const unsigned char *limit); 834 int ssl_cipher_id_cmp(const SSL_CIPHER *a,const SSL_CIPHER *b); 835 DECLARE_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, 836 ssl_cipher_id); 837 int ssl_cipher_ptr_id_cmp(const SSL_CIPHER * const *ap, 838 const SSL_CIPHER * const *bp); 839 STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num, 840 STACK_OF(SSL_CIPHER) **skp); 841 int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p, 842 int (*put_cb)(const SSL_CIPHER *, unsigned char *)); 843 STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *meth, 844 STACK_OF(SSL_CIPHER) **pref, 845 STACK_OF(SSL_CIPHER) **sorted, 846 const char *rule_str); 847 void ssl_update_cache(SSL *s, int mode); 848 int ssl_cipher_get_evp(const SSL_SESSION *s,const EVP_CIPHER **enc, 849 const EVP_MD **md,int *mac_pkey_type,int *mac_secret_size, SSL_COMP **comp); 850 int ssl_get_handshake_digest(int i,long *mask,const EVP_MD **md); 851 int ssl_verify_cert_chain(SSL *s,STACK_OF(X509) *sk); 852 int ssl_undefined_function(SSL *s); 853 int ssl_undefined_void_function(void); 854 int ssl_undefined_const_function(const SSL *s); 855 CERT_PKEY *ssl_get_server_send_pkey(const SSL *s); 856 X509 *ssl_get_server_send_cert(const SSL *); 857 EVP_PKEY *ssl_get_sign_pkey(SSL *s,const SSL_CIPHER *c, const EVP_MD **pmd); 858 int ssl_cert_type(X509 *x,EVP_PKEY *pkey); 859 void ssl_set_cert_masks(CERT *c, const SSL_CIPHER *cipher); 860 STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s); 861 int ssl_verify_alarm_type(long type); 862 void ssl_load_ciphers(void); 863 int ssl_fill_hello_random(SSL *s, int server, unsigned char *field, int len); 864 865 int ssl2_enc_init(SSL *s, int client); 866 int ssl2_generate_key_material(SSL *s); 867 void ssl2_enc(SSL *s,int send_data); 868 void ssl2_mac(SSL *s,unsigned char *mac,int send_data); 869 const SSL_CIPHER *ssl2_get_cipher_by_char(const unsigned char *p); 870 int ssl2_put_cipher_by_char(const SSL_CIPHER *c,unsigned char *p); 871 int ssl2_part_read(SSL *s, unsigned long f, int i); 872 int ssl2_do_write(SSL *s); 873 int ssl2_set_certificate(SSL *s, int type, int len, const unsigned char *data); 874 void ssl2_return_error(SSL *s,int reason); 875 void ssl2_write_error(SSL *s); 876 int ssl2_num_ciphers(void); 877 const SSL_CIPHER *ssl2_get_cipher(unsigned int u); 878 int ssl2_new(SSL *s); 879 void ssl2_free(SSL *s); 880 int ssl2_accept(SSL *s); 881 int ssl2_connect(SSL *s); 882 int ssl2_read(SSL *s, void *buf, int len); 883 int ssl2_peek(SSL *s, void *buf, int len); 884 int ssl2_write(SSL *s, const void *buf, int len); 885 int ssl2_shutdown(SSL *s); 886 void ssl2_clear(SSL *s); 887 long ssl2_ctrl(SSL *s,int cmd, long larg, void *parg); 888 long ssl2_ctx_ctrl(SSL_CTX *s,int cmd, long larg, void *parg); 889 long ssl2_callback_ctrl(SSL *s,int cmd, void (*fp)(void)); 890 long ssl2_ctx_callback_ctrl(SSL_CTX *s,int cmd, void (*fp)(void)); 891 int ssl2_pending(const SSL *s); 892 long ssl2_default_timeout(void ); 893 894 const SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p); 895 int ssl3_put_cipher_by_char(const SSL_CIPHER *c,unsigned char *p); 896 void ssl3_init_finished_mac(SSL *s); 897 int ssl3_send_server_certificate(SSL *s); 898 int ssl3_send_newsession_ticket(SSL *s); 899 int ssl3_send_cert_status(SSL *s); 900 int ssl3_get_finished(SSL *s,int state_a,int state_b); 901 int ssl3_setup_key_block(SSL *s); 902 int ssl3_send_change_cipher_spec(SSL *s,int state_a,int state_b); 903 int ssl3_change_cipher_state(SSL *s,int which); 904 void ssl3_cleanup_key_block(SSL *s); 905 int ssl3_do_write(SSL *s,int type); 906 int ssl3_send_alert(SSL *s,int level, int desc); 907 int ssl3_generate_master_secret(SSL *s, unsigned char *out, 908 unsigned char *p, int len); 909 int ssl3_get_req_cert_type(SSL *s,unsigned char *p); 910 long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok); 911 int ssl3_send_finished(SSL *s, int a, int b, const char *sender,int slen); 912 int ssl3_num_ciphers(void); 913 const SSL_CIPHER *ssl3_get_cipher(unsigned int u); 914 int ssl3_renegotiate(SSL *ssl); 915 int ssl3_renegotiate_check(SSL *ssl); 916 int ssl3_dispatch_alert(SSL *s); 917 int ssl3_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek); 918 int ssl3_write_bytes(SSL *s, int type, const void *buf, int len); 919 int ssl3_final_finish_mac(SSL *s, const char *sender, int slen,unsigned char *p); 920 int ssl3_cert_verify_mac(SSL *s, int md_nid, unsigned char *p); 921 void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len); 922 int ssl3_enc(SSL *s, int send_data); 923 int n_ssl3_mac(SSL *ssl, unsigned char *md, int send_data); 924 void ssl3_free_digest_list(SSL *s); 925 unsigned long ssl3_output_cert_chain(SSL *s, X509 *x); 926 SSL_CIPHER *ssl3_choose_cipher(SSL *ssl,STACK_OF(SSL_CIPHER) *clnt, 927 STACK_OF(SSL_CIPHER) *srvr); 928 int ssl3_setup_buffers(SSL *s); 929 int ssl3_setup_read_buffer(SSL *s); 930 int ssl3_setup_write_buffer(SSL *s); 931 int ssl3_release_read_buffer(SSL *s); 932 int ssl3_release_write_buffer(SSL *s); 933 int ssl3_digest_cached_records(SSL *s); 934 int ssl3_new(SSL *s); 935 void ssl3_free(SSL *s); 936 int ssl3_accept(SSL *s); 937 int ssl3_connect(SSL *s); 938 int ssl3_read(SSL *s, void *buf, int len); 939 int ssl3_peek(SSL *s, void *buf, int len); 940 int ssl3_write(SSL *s, const void *buf, int len); 941 int ssl3_shutdown(SSL *s); 942 void ssl3_clear(SSL *s); 943 long ssl3_ctrl(SSL *s,int cmd, long larg, void *parg); 944 long ssl3_ctx_ctrl(SSL_CTX *s,int cmd, long larg, void *parg); 945 long ssl3_callback_ctrl(SSL *s,int cmd, void (*fp)(void)); 946 long ssl3_ctx_callback_ctrl(SSL_CTX *s,int cmd, void (*fp)(void)); 947 int ssl3_pending(const SSL *s); 948 949 void ssl3_record_sequence_update(unsigned char *seq); 950 int ssl3_do_change_cipher_spec(SSL *ssl); 951 long ssl3_default_timeout(void ); 952 953 int ssl23_num_ciphers(void ); 954 const SSL_CIPHER *ssl23_get_cipher(unsigned int u); 955 int ssl23_read(SSL *s, void *buf, int len); 956 int ssl23_peek(SSL *s, void *buf, int len); 957 int ssl23_write(SSL *s, const void *buf, int len); 958 int ssl23_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p); 959 const SSL_CIPHER *ssl23_get_cipher_by_char(const unsigned char *p); 960 long ssl23_default_timeout(void ); 961 962 long tls1_default_timeout(void); 963 int dtls1_do_write(SSL *s,int type); 964 int ssl3_read_n(SSL *s, int n, int max, int extend); 965 int dtls1_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek); 966 int ssl3_do_compress(SSL *ssl); 967 int ssl3_do_uncompress(SSL *ssl); 968 int ssl3_write_pending(SSL *s, int type, const unsigned char *buf, 969 unsigned int len); 970 unsigned char *dtls1_set_message_header(SSL *s, 971 unsigned char *p, unsigned char mt, unsigned long len, 972 unsigned long frag_off, unsigned long frag_len); 973 974 int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf, int len); 975 int dtls1_write_bytes(SSL *s, int type, const void *buf, int len); 976 977 int dtls1_send_change_cipher_spec(SSL *s, int a, int b); 978 int dtls1_send_finished(SSL *s, int a, int b, const char *sender, int slen); 979 unsigned long dtls1_output_cert_chain(SSL *s, X509 *x); 980 int dtls1_read_failed(SSL *s, int code); 981 int dtls1_buffer_message(SSL *s, int ccs); 982 int dtls1_retransmit_message(SSL *s, unsigned short seq, 983 unsigned long frag_off, int *found); 984 int dtls1_get_queue_priority(unsigned short seq, int is_ccs); 985 int dtls1_retransmit_buffered_messages(SSL *s); 986 void dtls1_clear_record_buffer(SSL *s); 987 void dtls1_get_message_header(unsigned char *data, struct hm_header_st *msg_hdr); 988 void dtls1_get_ccs_header(unsigned char *data, struct ccs_header_st *ccs_hdr); 989 void dtls1_reset_seq_numbers(SSL *s, int rw); 990 long dtls1_default_timeout(void); 991 struct timeval* dtls1_get_timeout(SSL *s, struct timeval* timeleft); 992 int dtls1_check_timeout_num(SSL *s); 993 int dtls1_handle_timeout(SSL *s); 994 const SSL_CIPHER *dtls1_get_cipher(unsigned int u); 995 void dtls1_start_timer(SSL *s); 996 void dtls1_stop_timer(SSL *s); 997 int dtls1_is_timer_expired(SSL *s); 998 void dtls1_double_timeout(SSL *s); 999 int dtls1_send_newsession_ticket(SSL *s); 1000 unsigned int dtls1_min_mtu(void); 1001 1002 /* some client-only functions */ 1003 int ssl3_client_hello(SSL *s); 1004 int ssl3_get_server_hello(SSL *s); 1005 int ssl3_get_certificate_request(SSL *s); 1006 int ssl3_get_new_session_ticket(SSL *s); 1007 int ssl3_get_cert_status(SSL *s); 1008 int ssl3_get_server_done(SSL *s); 1009 int ssl3_send_client_verify(SSL *s); 1010 int ssl3_send_client_certificate(SSL *s); 1011 int ssl_do_client_cert_cb(SSL *s, X509 **px509, EVP_PKEY **ppkey); 1012 int ssl3_send_client_key_exchange(SSL *s); 1013 int ssl3_get_key_exchange(SSL *s); 1014 int ssl3_get_server_certificate(SSL *s); 1015 int ssl3_check_cert_and_algorithm(SSL *s); 1016 #ifndef OPENSSL_NO_TLSEXT 1017 int ssl3_check_finished(SSL *s); 1018 # ifndef OPENSSL_NO_NEXTPROTONEG 1019 int ssl3_send_next_proto(SSL *s); 1020 int ssl3_send_channel_id(SSL *s); 1021 # endif 1022 #endif 1023 1024 int dtls1_client_hello(SSL *s); 1025 int dtls1_send_client_certificate(SSL *s); 1026 int dtls1_send_client_key_exchange(SSL *s); 1027 int dtls1_send_client_verify(SSL *s); 1028 1029 /* some server-only functions */ 1030 int ssl3_get_client_hello(SSL *s); 1031 int ssl3_send_server_hello(SSL *s); 1032 int ssl3_send_hello_request(SSL *s); 1033 int ssl3_send_server_key_exchange(SSL *s); 1034 int ssl3_send_certificate_request(SSL *s); 1035 int ssl3_send_server_done(SSL *s); 1036 int ssl3_check_client_hello(SSL *s); 1037 int ssl3_get_client_certificate(SSL *s); 1038 int ssl3_get_client_key_exchange(SSL *s); 1039 int ssl3_get_cert_verify(SSL *s); 1040 #ifndef OPENSSL_NO_NEXTPROTONEG 1041 int ssl3_get_next_proto(SSL *s); 1042 #endif 1043 int ssl3_get_channel_id(SSL *s); 1044 1045 int dtls1_send_hello_request(SSL *s); 1046 int dtls1_send_server_hello(SSL *s); 1047 int dtls1_send_server_certificate(SSL *s); 1048 int dtls1_send_server_key_exchange(SSL *s); 1049 int dtls1_send_certificate_request(SSL *s); 1050 int dtls1_send_server_done(SSL *s); 1051 1052 1053 1054 int ssl23_accept(SSL *s); 1055 int ssl23_connect(SSL *s); 1056 int ssl23_read_bytes(SSL *s, int n); 1057 int ssl23_write_bytes(SSL *s); 1058 1059 int tls1_new(SSL *s); 1060 void tls1_free(SSL *s); 1061 void tls1_clear(SSL *s); 1062 long tls1_ctrl(SSL *s,int cmd, long larg, void *parg); 1063 long tls1_callback_ctrl(SSL *s,int cmd, void (*fp)(void)); 1064 1065 int dtls1_new(SSL *s); 1066 int dtls1_accept(SSL *s); 1067 int dtls1_connect(SSL *s); 1068 void dtls1_free(SSL *s); 1069 void dtls1_clear(SSL *s); 1070 long dtls1_ctrl(SSL *s,int cmd, long larg, void *parg); 1071 int dtls1_shutdown(SSL *s); 1072 1073 long dtls1_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok); 1074 int dtls1_get_record(SSL *s); 1075 int dtls1_dispatch_alert(SSL *s); 1076 int dtls1_enc(SSL *s, int snd); 1077 1078 int ssl_init_wbio_buffer(SSL *s, int push); 1079 void ssl_free_wbio_buffer(SSL *s); 1080 1081 int tls1_change_cipher_state(SSL *s, int which); 1082 int tls1_setup_key_block(SSL *s); 1083 int tls1_enc(SSL *s, int snd); 1084 int tls1_handshake_digest(SSL *s, unsigned char *out, size_t out_len); 1085 int tls1_final_finish_mac(SSL *s, 1086 const char *str, int slen, unsigned char *p); 1087 int tls1_cert_verify_mac(SSL *s, int md_nid, unsigned char *p); 1088 int tls1_mac(SSL *ssl, unsigned char *md, int snd); 1089 int tls1_generate_master_secret(SSL *s, unsigned char *out, 1090 unsigned char *p, int len); 1091 int tls1_export_keying_material(SSL *s, unsigned char *out, size_t olen, 1092 const char *label, size_t llen, 1093 const unsigned char *p, size_t plen, int use_context); 1094 int tls1_alert_code(int code); 1095 int ssl3_alert_code(int code); 1096 int ssl_ok(SSL *s); 1097 1098 #ifndef OPENSSL_NO_ECDH 1099 int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s); 1100 #endif 1101 1102 SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n); 1103 1104 #ifndef OPENSSL_NO_EC 1105 int tls1_ec_curve_id2nid(int curve_id); 1106 int tls1_ec_nid2curve_id(int nid); 1107 #endif /* OPENSSL_NO_EC */ 1108 1109 #ifndef OPENSSL_NO_TLSEXT 1110 unsigned char *ssl_add_clienthello_tlsext(SSL *s, unsigned char *buf, unsigned char *limit); 1111 unsigned char *ssl_add_serverhello_tlsext(SSL *s, unsigned char *buf, unsigned char *limit); 1112 int ssl_parse_clienthello_tlsext(SSL *s, unsigned char **data, unsigned char *d, int n, int *al); 1113 int ssl_parse_serverhello_tlsext(SSL *s, unsigned char **data, unsigned char *d, int n, int *al); 1114 int ssl_prepare_clienthello_tlsext(SSL *s); 1115 int ssl_prepare_serverhello_tlsext(SSL *s); 1116 int ssl_check_clienthello_tlsext_early(SSL *s); 1117 int ssl_check_clienthello_tlsext_late(SSL *s); 1118 int ssl_check_serverhello_tlsext(SSL *s); 1119 1120 #ifndef OPENSSL_NO_HEARTBEATS 1121 int tls1_heartbeat(SSL *s); 1122 int dtls1_heartbeat(SSL *s); 1123 int tls1_process_heartbeat(SSL *s); 1124 int dtls1_process_heartbeat(SSL *s); 1125 #endif 1126 1127 #ifdef OPENSSL_NO_SHA256 1128 #define tlsext_tick_md EVP_sha1 1129 #else 1130 #define tlsext_tick_md EVP_sha256 1131 #endif 1132 int tls1_process_ticket(SSL *s, unsigned char *session_id, int len, 1133 const unsigned char *limit, SSL_SESSION **ret); 1134 1135 int tls12_get_sigandhash(unsigned char *p, const EVP_PKEY *pk, 1136 const EVP_MD *md); 1137 int tls12_get_sigid(const EVP_PKEY *pk); 1138 const EVP_MD *tls12_get_hash(unsigned char hash_alg); 1139 1140 int tls1_channel_id_hash(EVP_MD_CTX *ctx, SSL *s); 1141 int tls1_record_handshake_hashes_for_channel_id(SSL *s); 1142 #endif 1143 1144 int ssl3_can_cutthrough(const SSL *s); 1145 EVP_MD_CTX* ssl_replace_hash(EVP_MD_CTX **hash,const EVP_MD *md) ; 1146 void ssl_clear_hash_ctx(EVP_MD_CTX **hash); 1147 int ssl_add_serverhello_renegotiate_ext(SSL *s, unsigned char *p, int *len, 1148 int maxlen); 1149 int ssl_parse_serverhello_renegotiate_ext(SSL *s, unsigned char *d, int len, 1150 int *al); 1151 int ssl_add_clienthello_renegotiate_ext(SSL *s, unsigned char *p, int *len, 1152 int maxlen); 1153 int ssl_parse_clienthello_renegotiate_ext(SSL *s, unsigned char *d, int len, 1154 int *al); 1155 long ssl_get_algorithm2(SSL *s); 1156 void tls1_process_sigalgs(SSL *s, const unsigned char *data, int dsize); 1157 int tls12_get_req_sig_algs(SSL *s, unsigned char *p); 1158 1159 int ssl_add_clienthello_use_srtp_ext(SSL *s, unsigned char *p, int *len, int maxlen); 1160 int ssl_parse_clienthello_use_srtp_ext(SSL *s, unsigned char *d, int len,int *al); 1161 int ssl_add_serverhello_use_srtp_ext(SSL *s, unsigned char *p, int *len, int maxlen); 1162 int ssl_parse_serverhello_use_srtp_ext(SSL *s, unsigned char *d, int len,int *al); 1163 1164 /* s3_cbc.c */ 1165 void ssl3_cbc_copy_mac(unsigned char* out, 1166 const SSL3_RECORD *rec, 1167 unsigned md_size,unsigned orig_len); 1168 int ssl3_cbc_remove_padding(const SSL* s, 1169 SSL3_RECORD *rec, 1170 unsigned block_size, 1171 unsigned mac_size); 1172 int tls1_cbc_remove_padding(const SSL* s, 1173 SSL3_RECORD *rec, 1174 unsigned block_size, 1175 unsigned mac_size); 1176 char ssl3_cbc_record_digest_supported(const EVP_MD_CTX *ctx); 1177 void ssl3_cbc_digest_record( 1178 const EVP_MD_CTX *ctx, 1179 unsigned char* md_out, 1180 size_t* md_out_size, 1181 const unsigned char header[13], 1182 const unsigned char *data, 1183 size_t data_plus_mac_size, 1184 size_t data_plus_mac_plus_padding_size, 1185 const unsigned char *mac_secret, 1186 unsigned mac_secret_length, 1187 char is_sslv3); 1188 1189 void tls_fips_digest_extra( 1190 const EVP_CIPHER_CTX *cipher_ctx, EVP_MD_CTX *mac_ctx, 1191 const unsigned char *data, size_t data_len, size_t orig_len); 1192 1193 int srp_verify_server_param(SSL *s, int *al); 1194 1195 #else 1196 1197 #define ssl_init_wbio_buffer SSL_test_functions()->p_ssl_init_wbio_buffer 1198 #define ssl3_setup_buffers SSL_test_functions()->p_ssl3_setup_buffers 1199 #define tls1_process_heartbeat SSL_test_functions()->p_tls1_process_heartbeat 1200 #define dtls1_process_heartbeat SSL_test_functions()->p_dtls1_process_heartbeat 1201 1202 #endif 1203 #endif 1204