1 /* ssl/ssl_locl.h */ 2 /* Copyright (C) 1995-1998 Eric Young (eay (at) cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay (at) cryptsoft.com). 7 * The implementation was written so as to conform with Netscapes SSL. 8 * 9 * This library is free for commercial and non-commercial use as long as 10 * the following conditions are aheared to. The following conditions 11 * apply to all code found in this distribution, be it the RC4, RSA, 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13 * included with this distribution is covered by the same copyright terms 14 * except that the holder is Tim Hudson (tjh (at) cryptsoft.com). 15 * 16 * Copyright remains Eric Young's, and as such any Copyright notices in 17 * the code are not to be removed. 18 * If this package is used in a product, Eric Young should be given attribution 19 * as the author of the parts of the library used. 20 * This can be in the form of a textual message at program startup or 21 * in documentation (online or textual) provided with the package. 22 * 23 * Redistribution and use in source and binary forms, with or without 24 * modification, are permitted provided that the following conditions 25 * are met: 26 * 1. Redistributions of source code must retain the copyright 27 * notice, this list of conditions and the following disclaimer. 28 * 2. Redistributions in binary form must reproduce the above copyright 29 * notice, this list of conditions and the following disclaimer in the 30 * documentation and/or other materials provided with the distribution. 31 * 3. All advertising materials mentioning features or use of this software 32 * must display the following acknowledgement: 33 * "This product includes cryptographic software written by 34 * Eric Young (eay (at) cryptsoft.com)" 35 * The word 'cryptographic' can be left out if the rouines from the library 36 * being used are not cryptographic related :-). 37 * 4. If you include any Windows specific code (or a derivative thereof) from 38 * the apps directory (application code) you must include an acknowledgement: 39 * "This product includes software written by Tim Hudson (tjh (at) cryptsoft.com)" 40 * 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51 * SUCH DAMAGE. 52 * 53 * The licence and distribution terms for any publically available version or 54 * derivative of this code cannot be changed. i.e. this code cannot simply be 55 * copied and put under another distribution licence 56 * [including the GNU Public Licence.] 57 */ 58 /* ==================================================================== 59 * Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved. 60 * 61 * Redistribution and use in source and binary forms, with or without 62 * modification, are permitted provided that the following conditions 63 * are met: 64 * 65 * 1. Redistributions of source code must retain the above copyright 66 * notice, this list of conditions and the following disclaimer. 67 * 68 * 2. Redistributions in binary form must reproduce the above copyright 69 * notice, this list of conditions and the following disclaimer in 70 * the documentation and/or other materials provided with the 71 * distribution. 72 * 73 * 3. All advertising materials mentioning features or use of this 74 * software must display the following acknowledgment: 75 * "This product includes software developed by the OpenSSL Project 76 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" 77 * 78 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 79 * endorse or promote products derived from this software without 80 * prior written permission. For written permission, please contact 81 * openssl-core (at) openssl.org. 82 * 83 * 5. Products derived from this software may not be called "OpenSSL" 84 * nor may "OpenSSL" appear in their names without prior written 85 * permission of the OpenSSL Project. 86 * 87 * 6. Redistributions of any form whatsoever must retain the following 88 * acknowledgment: 89 * "This product includes software developed by the OpenSSL Project 90 * for use in the OpenSSL Toolkit (http://www.openssl.org/)" 91 * 92 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 93 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 94 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 95 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 96 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 97 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 98 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 99 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 100 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 101 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 102 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 103 * OF THE POSSIBILITY OF SUCH DAMAGE. 104 * ==================================================================== 105 * 106 * This product includes cryptographic software written by Eric Young 107 * (eay (at) cryptsoft.com). This product includes software written by Tim 108 * Hudson (tjh (at) cryptsoft.com). 109 * 110 */ 111 /* ==================================================================== 112 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. 113 * ECC cipher suite support in OpenSSL originally developed by 114 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project. 115 */ 116 /* ==================================================================== 117 * Copyright 2005 Nokia. All rights reserved. 118 * 119 * The portions of the attached software ("Contribution") is developed by 120 * Nokia Corporation and is licensed pursuant to the OpenSSL open source 121 * license. 122 * 123 * The Contribution, originally written by Mika Kousa and Pasi Eronen of 124 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites 125 * support (see RFC 4279) to OpenSSL. 126 * 127 * No patent licenses or other rights except those expressly stated in 128 * the OpenSSL open source license shall be deemed granted or received 129 * expressly, by implication, estoppel, or otherwise. 130 * 131 * No assurances are provided by Nokia that the Contribution does not 132 * infringe the patent or other intellectual property rights of any third 133 * party or that the license provides you with all the necessary rights 134 * to make use of the Contribution. 135 * 136 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN 137 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA 138 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY 139 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR 140 * OTHERWISE. 141 */ 142 143 #ifndef HEADER_SSL_LOCL_H 144 #define HEADER_SSL_LOCL_H 145 #include <stdlib.h> 146 #include <time.h> 147 #include <string.h> 148 #include <errno.h> 149 150 #include "e_os.h" 151 152 #include <openssl/buffer.h> 153 #ifndef OPENSSL_NO_COMP 154 #include <openssl/comp.h> 155 #endif 156 #include <openssl/bio.h> 157 #include <openssl/stack.h> 158 #ifndef OPENSSL_NO_RSA 159 #include <openssl/rsa.h> 160 #endif 161 #ifndef OPENSSL_NO_DSA 162 #include <openssl/dsa.h> 163 #endif 164 #include <openssl/err.h> 165 #include <openssl/ssl.h> 166 #include <openssl/symhacks.h> 167 168 #ifdef OPENSSL_BUILD_SHLIBSSL 169 # undef OPENSSL_EXTERN 170 # define OPENSSL_EXTERN OPENSSL_EXPORT 171 #endif 172 173 #undef PKCS1_CHECK 174 175 #define c2l(c,l) (l = ((unsigned long)(*((c)++))) , \ 176 l|=(((unsigned long)(*((c)++)))<< 8), \ 177 l|=(((unsigned long)(*((c)++)))<<16), \ 178 l|=(((unsigned long)(*((c)++)))<<24)) 179 180 /* NOTE - c is not incremented as per c2l */ 181 #define c2ln(c,l1,l2,n) { \ 182 c+=n; \ 183 l1=l2=0; \ 184 switch (n) { \ 185 case 8: l2 =((unsigned long)(*(--(c))))<<24; \ 186 case 7: l2|=((unsigned long)(*(--(c))))<<16; \ 187 case 6: l2|=((unsigned long)(*(--(c))))<< 8; \ 188 case 5: l2|=((unsigned long)(*(--(c)))); \ 189 case 4: l1 =((unsigned long)(*(--(c))))<<24; \ 190 case 3: l1|=((unsigned long)(*(--(c))))<<16; \ 191 case 2: l1|=((unsigned long)(*(--(c))))<< 8; \ 192 case 1: l1|=((unsigned long)(*(--(c)))); \ 193 } \ 194 } 195 196 #define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \ 197 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ 198 *((c)++)=(unsigned char)(((l)>>16)&0xff), \ 199 *((c)++)=(unsigned char)(((l)>>24)&0xff)) 200 201 #define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24, \ 202 l|=((unsigned long)(*((c)++)))<<16, \ 203 l|=((unsigned long)(*((c)++)))<< 8, \ 204 l|=((unsigned long)(*((c)++)))) 205 206 #define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24)&0xff), \ 207 *((c)++)=(unsigned char)(((l)>>16)&0xff), \ 208 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ 209 *((c)++)=(unsigned char)(((l) )&0xff)) 210 211 #define l2n6(l,c) (*((c)++)=(unsigned char)(((l)>>40)&0xff), \ 212 *((c)++)=(unsigned char)(((l)>>32)&0xff), \ 213 *((c)++)=(unsigned char)(((l)>>24)&0xff), \ 214 *((c)++)=(unsigned char)(((l)>>16)&0xff), \ 215 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ 216 *((c)++)=(unsigned char)(((l) )&0xff)) 217 218 #define 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 */ 314 315 316 /* Bits for algorithm_enc (symmetric encryption) */ 317 #define SSL_DES 0x00000001L 318 #define SSL_3DES 0x00000002L 319 #define SSL_RC4 0x00000004L 320 #define SSL_RC2 0x00000008L 321 #define SSL_IDEA 0x00000010L 322 #define SSL_eNULL 0x00000020L 323 #define SSL_AES128 0x00000040L 324 #define SSL_AES256 0x00000080L 325 #define SSL_CAMELLIA128 0x00000100L 326 #define SSL_CAMELLIA256 0x00000200L 327 #define SSL_eGOST2814789CNT 0x00000400L 328 #define SSL_SEED 0x00000800L 329 #define SSL_AES128GCM 0x00001000L 330 #define SSL_AES256GCM 0x00002000L 331 332 #define SSL_AES (SSL_AES128|SSL_AES256|SSL_AES128GCM|SSL_AES256GCM) 333 #define SSL_CAMELLIA (SSL_CAMELLIA128|SSL_CAMELLIA256) 334 335 336 /* Bits for algorithm_mac (symmetric authentication) */ 337 338 #define SSL_MD5 0x00000001L 339 #define SSL_SHA1 0x00000002L 340 #define SSL_GOST94 0x00000004L 341 #define SSL_GOST89MAC 0x00000008L 342 #define SSL_SHA256 0x00000010L 343 #define SSL_SHA384 0x00000020L 344 /* Not a real MAC, just an indication it is part of cipher */ 345 #define SSL_AEAD 0x00000040L 346 347 /* Bits for algorithm_ssl (protocol version) */ 348 #define SSL_SSLV2 0x00000001L 349 #define SSL_SSLV3 0x00000002L 350 #define SSL_TLSV1 SSL_SSLV3 /* for now */ 351 #define SSL_TLSV1_2 0x00000004L 352 353 354 /* Bits for algorithm2 (handshake digests and other extra flags) */ 355 356 #define SSL_HANDSHAKE_MAC_MD5 0x10 357 #define SSL_HANDSHAKE_MAC_SHA 0x20 358 #define SSL_HANDSHAKE_MAC_GOST94 0x40 359 #define SSL_HANDSHAKE_MAC_SHA256 0x80 360 #define SSL_HANDSHAKE_MAC_SHA384 0x100 361 #define SSL_HANDSHAKE_MAC_DEFAULT (SSL_HANDSHAKE_MAC_MD5 | SSL_HANDSHAKE_MAC_SHA) 362 363 /* When adding new digest in the ssl_ciph.c and increment SSM_MD_NUM_IDX 364 * make sure to update this constant too */ 365 #define SSL_MAX_DIGEST 6 366 367 #define TLS1_PRF_DGST_MASK (0xff << TLS1_PRF_DGST_SHIFT) 368 369 #define TLS1_PRF_DGST_SHIFT 10 370 #define TLS1_PRF_MD5 (SSL_HANDSHAKE_MAC_MD5 << TLS1_PRF_DGST_SHIFT) 371 #define TLS1_PRF_SHA1 (SSL_HANDSHAKE_MAC_SHA << TLS1_PRF_DGST_SHIFT) 372 #define TLS1_PRF_SHA256 (SSL_HANDSHAKE_MAC_SHA256 << TLS1_PRF_DGST_SHIFT) 373 #define TLS1_PRF_SHA384 (SSL_HANDSHAKE_MAC_SHA384 << TLS1_PRF_DGST_SHIFT) 374 #define TLS1_PRF_GOST94 (SSL_HANDSHAKE_MAC_GOST94 << TLS1_PRF_DGST_SHIFT) 375 #define TLS1_PRF (TLS1_PRF_MD5 | TLS1_PRF_SHA1) 376 377 /* Stream MAC for GOST ciphersuites from cryptopro draft 378 * (currently this also goes into algorithm2) */ 379 #define TLS1_STREAM_MAC 0x04 380 381 #define TLSEXT_CHANNEL_ID_SIZE 128 382 383 384 /* 385 * Export and cipher strength information. For each cipher we have to decide 386 * whether it is exportable or not. This information is likely to change 387 * over time, since the export control rules are no static technical issue. 388 * 389 * Independent of the export flag the cipher strength is sorted into classes. 390 * SSL_EXP40 was denoting the 40bit US export limit of past times, which now 391 * is at 56bit (SSL_EXP56). If the exportable cipher class is going to change 392 * again (eg. to 64bit) the use of "SSL_EXP*" becomes blurred even more, 393 * since SSL_EXP64 could be similar to SSL_LOW. 394 * For this reason SSL_MICRO and SSL_MINI macros are included to widen the 395 * namespace of SSL_LOW-SSL_HIGH to lower values. As development of speed 396 * and ciphers goes, another extension to SSL_SUPER and/or SSL_ULTRA would 397 * be possible. 398 */ 399 #define SSL_EXP_MASK 0x00000003L 400 #define SSL_STRONG_MASK 0x000001fcL 401 402 #define SSL_NOT_EXP 0x00000001L 403 #define SSL_EXPORT 0x00000002L 404 405 #define SSL_STRONG_NONE 0x00000004L 406 #define SSL_EXP40 0x00000008L 407 #define SSL_MICRO (SSL_EXP40) 408 #define SSL_EXP56 0x00000010L 409 #define SSL_MINI (SSL_EXP56) 410 #define SSL_LOW 0x00000020L 411 #define SSL_MEDIUM 0x00000040L 412 #define SSL_HIGH 0x00000080L 413 #define SSL_FIPS 0x00000100L 414 415 /* we have used 000001ff - 23 bits left to go */ 416 417 /* 418 * Macros to check the export status and cipher strength for export ciphers. 419 * Even though the macros for EXPORT and EXPORT40/56 have similar names, 420 * their meaning is different: 421 * *_EXPORT macros check the 'exportable' status. 422 * *_EXPORT40/56 macros are used to check whether a certain cipher strength 423 * is given. 424 * Since the SSL_IS_EXPORT* and SSL_EXPORT* macros depend on the correct 425 * algorithm structure element to be passed (algorithms, algo_strength) and no 426 * typechecking can be done as they are all of type unsigned long, their 427 * direct usage is discouraged. 428 * Use the SSL_C_* macros instead. 429 */ 430 #define SSL_IS_EXPORT(a) ((a)&SSL_EXPORT) 431 #define SSL_IS_EXPORT56(a) ((a)&SSL_EXP56) 432 #define SSL_IS_EXPORT40(a) ((a)&SSL_EXP40) 433 #define SSL_C_IS_EXPORT(c) SSL_IS_EXPORT((c)->algo_strength) 434 #define SSL_C_IS_EXPORT56(c) SSL_IS_EXPORT56((c)->algo_strength) 435 #define SSL_C_IS_EXPORT40(c) SSL_IS_EXPORT40((c)->algo_strength) 436 437 #define SSL_EXPORT_KEYLENGTH(a,s) (SSL_IS_EXPORT40(s) ? 5 : \ 438 (a) == SSL_DES ? 8 : 7) 439 #define SSL_EXPORT_PKEYLENGTH(a) (SSL_IS_EXPORT40(a) ? 512 : 1024) 440 #define SSL_C_EXPORT_KEYLENGTH(c) SSL_EXPORT_KEYLENGTH((c)->algorithm_enc, \ 441 (c)->algo_strength) 442 #define SSL_C_EXPORT_PKEYLENGTH(c) SSL_EXPORT_PKEYLENGTH((c)->algo_strength) 443 444 445 446 447 /* Mostly for SSLv3 */ 448 #define SSL_PKEY_RSA_ENC 0 449 #define SSL_PKEY_RSA_SIGN 1 450 #define SSL_PKEY_DSA_SIGN 2 451 #define SSL_PKEY_DH_RSA 3 452 #define SSL_PKEY_DH_DSA 4 453 #define SSL_PKEY_ECC 5 454 #define SSL_PKEY_GOST94 6 455 #define SSL_PKEY_GOST01 7 456 #define SSL_PKEY_NUM 8 457 458 /* SSL_kRSA <- RSA_ENC | (RSA_TMP & RSA_SIGN) | 459 * <- (EXPORT & (RSA_ENC | RSA_TMP) & RSA_SIGN) 460 * SSL_kDH <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN) 461 * SSL_kEDH <- RSA_ENC | RSA_SIGN | DSA_SIGN 462 * SSL_aRSA <- RSA_ENC | RSA_SIGN 463 * SSL_aDSS <- DSA_SIGN 464 */ 465 466 /* 467 #define CERT_INVALID 0 468 #define CERT_PUBLIC_KEY 1 469 #define CERT_PRIVATE_KEY 2 470 */ 471 472 #ifndef OPENSSL_NO_EC 473 /* From ECC-TLS draft, used in encoding the curve type in 474 * ECParameters 475 */ 476 #define EXPLICIT_PRIME_CURVE_TYPE 1 477 #define EXPLICIT_CHAR2_CURVE_TYPE 2 478 #define NAMED_CURVE_TYPE 3 479 #endif /* OPENSSL_NO_EC */ 480 481 typedef struct cert_pkey_st 482 { 483 X509 *x509; 484 STACK_OF(X509) *cert_chain; 485 EVP_PKEY *privatekey; 486 /* Digest to use when signing */ 487 const EVP_MD *digest; 488 } CERT_PKEY; 489 490 typedef struct cert_st 491 { 492 /* Current active set */ 493 CERT_PKEY *key; /* ALWAYS points to an element of the pkeys array 494 * Probably it would make more sense to store 495 * an index, not a pointer. */ 496 497 /* The following masks are for the key and auth 498 * algorithms that are supported by the certs below */ 499 int valid; 500 unsigned long mask_k; 501 unsigned long mask_a; 502 unsigned long export_mask_k; 503 unsigned long export_mask_a; 504 #ifndef OPENSSL_NO_RSA 505 RSA *rsa_tmp; 506 RSA *(*rsa_tmp_cb)(SSL *ssl,int is_export,int keysize); 507 #endif 508 #ifndef OPENSSL_NO_DH 509 DH *dh_tmp; 510 DH *(*dh_tmp_cb)(SSL *ssl,int is_export,int keysize); 511 #endif 512 #ifndef OPENSSL_NO_ECDH 513 EC_KEY *ecdh_tmp; 514 /* Callback for generating ephemeral ECDH keys */ 515 EC_KEY *(*ecdh_tmp_cb)(SSL *ssl,int is_export,int keysize); 516 #endif 517 518 CERT_PKEY pkeys[SSL_PKEY_NUM]; 519 520 int references; /* >1 only if SSL_copy_session_id is used */ 521 } CERT; 522 523 524 typedef struct sess_cert_st 525 { 526 STACK_OF(X509) *cert_chain; /* as received from peer (not for SSL2) */ 527 528 /* The 'peer_...' members are used only by clients. */ 529 int peer_cert_type; 530 531 CERT_PKEY *peer_key; /* points to an element of peer_pkeys (never NULL!) */ 532 CERT_PKEY peer_pkeys[SSL_PKEY_NUM]; 533 /* Obviously we don't have the private keys of these, 534 * so maybe we shouldn't even use the CERT_PKEY type here. */ 535 536 #ifndef OPENSSL_NO_RSA 537 RSA *peer_rsa_tmp; /* not used for SSL 2 */ 538 #endif 539 #ifndef OPENSSL_NO_DH 540 DH *peer_dh_tmp; /* not used for SSL 2 */ 541 #endif 542 #ifndef OPENSSL_NO_ECDH 543 EC_KEY *peer_ecdh_tmp; 544 #endif 545 546 int references; /* actually always 1 at the moment */ 547 } SESS_CERT; 548 549 550 /*#define MAC_DEBUG */ 551 552 /*#define ERR_DEBUG */ 553 /*#define ABORT_DEBUG */ 554 /*#define PKT_DEBUG 1 */ 555 /*#define DES_DEBUG */ 556 /*#define DES_OFB_DEBUG */ 557 /*#define SSL_DEBUG */ 558 /*#define RSA_DEBUG */ 559 /*#define IDEA_DEBUG */ 560 561 #define FP_ICC (int (*)(const void *,const void *)) 562 #define ssl_put_cipher_by_char(ssl,ciph,ptr) \ 563 ((ssl)->method->put_cipher_by_char((ciph),(ptr))) 564 #define ssl_get_cipher_by_char(ssl,ptr) \ 565 ((ssl)->method->get_cipher_by_char(ptr)) 566 567 /* This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff 568 * It is a bit of a mess of functions, but hell, think of it as 569 * an opaque structure :-) */ 570 typedef struct ssl3_enc_method 571 { 572 int (*enc)(SSL *, int); 573 int (*mac)(SSL *, unsigned char *, int); 574 int (*setup_key_block)(SSL *); 575 int (*generate_master_secret)(SSL *, unsigned char *, unsigned char *, int); 576 int (*change_cipher_state)(SSL *, int); 577 int (*final_finish_mac)(SSL *, const char *, int, unsigned char *); 578 int finish_mac_length; 579 int (*cert_verify_mac)(SSL *, int, unsigned char *); 580 const char *client_finished_label; 581 int client_finished_label_len; 582 const char *server_finished_label; 583 int server_finished_label_len; 584 int (*alert_value)(int); 585 int (*export_keying_material)(SSL *, unsigned char *, size_t, 586 const char *, size_t, 587 const unsigned char *, size_t, 588 int use_context); 589 } SSL3_ENC_METHOD; 590 591 #ifndef OPENSSL_NO_COMP 592 /* Used for holding the relevant compression methods loaded into SSL_CTX */ 593 typedef struct ssl3_comp_st 594 { 595 int comp_id; /* The identifier byte for this compression type */ 596 char *name; /* Text name used for the compression type */ 597 COMP_METHOD *method; /* The method :-) */ 598 } SSL3_COMP; 599 #endif 600 601 #ifndef OPENSSL_NO_BUF_FREELISTS 602 typedef struct ssl3_buf_freelist_st 603 { 604 size_t chunklen; 605 unsigned int len; 606 struct ssl3_buf_freelist_entry_st *head; 607 } SSL3_BUF_FREELIST; 608 609 typedef struct ssl3_buf_freelist_entry_st 610 { 611 struct ssl3_buf_freelist_entry_st *next; 612 } SSL3_BUF_FREELIST_ENTRY; 613 #endif 614 615 extern SSL3_ENC_METHOD ssl3_undef_enc_method; 616 OPENSSL_EXTERN const SSL_CIPHER ssl2_ciphers[]; 617 OPENSSL_EXTERN SSL_CIPHER ssl3_ciphers[]; 618 619 620 SSL_METHOD *ssl_bad_method(int ver); 621 622 extern SSL3_ENC_METHOD TLSv1_enc_data; 623 extern SSL3_ENC_METHOD SSLv3_enc_data; 624 extern SSL3_ENC_METHOD DTLSv1_enc_data; 625 626 #define IMPLEMENT_tls_meth_func(version, func_name, s_accept, s_connect, \ 627 s_get_meth) \ 628 const SSL_METHOD *func_name(void) \ 629 { \ 630 static const SSL_METHOD func_name##_data= { \ 631 version, \ 632 tls1_new, \ 633 tls1_clear, \ 634 tls1_free, \ 635 s_accept, \ 636 s_connect, \ 637 ssl3_read, \ 638 ssl3_peek, \ 639 ssl3_write, \ 640 ssl3_shutdown, \ 641 ssl3_renegotiate, \ 642 ssl3_renegotiate_check, \ 643 ssl3_get_message, \ 644 ssl3_read_bytes, \ 645 ssl3_write_bytes, \ 646 ssl3_dispatch_alert, \ 647 ssl3_ctrl, \ 648 ssl3_ctx_ctrl, \ 649 ssl3_get_cipher_by_char, \ 650 ssl3_put_cipher_by_char, \ 651 ssl3_pending, \ 652 ssl3_num_ciphers, \ 653 ssl3_get_cipher, \ 654 s_get_meth, \ 655 tls1_default_timeout, \ 656 &TLSv1_enc_data, \ 657 ssl_undefined_void_function, \ 658 ssl3_callback_ctrl, \ 659 ssl3_ctx_callback_ctrl, \ 660 }; \ 661 return &func_name##_data; \ 662 } 663 664 #define IMPLEMENT_ssl3_meth_func(func_name, s_accept, s_connect, s_get_meth) \ 665 const SSL_METHOD *func_name(void) \ 666 { \ 667 static const SSL_METHOD func_name##_data= { \ 668 SSL3_VERSION, \ 669 ssl3_new, \ 670 ssl3_clear, \ 671 ssl3_free, \ 672 s_accept, \ 673 s_connect, \ 674 ssl3_read, \ 675 ssl3_peek, \ 676 ssl3_write, \ 677 ssl3_shutdown, \ 678 ssl3_renegotiate, \ 679 ssl3_renegotiate_check, \ 680 ssl3_get_message, \ 681 ssl3_read_bytes, \ 682 ssl3_write_bytes, \ 683 ssl3_dispatch_alert, \ 684 ssl3_ctrl, \ 685 ssl3_ctx_ctrl, \ 686 ssl3_get_cipher_by_char, \ 687 ssl3_put_cipher_by_char, \ 688 ssl3_pending, \ 689 ssl3_num_ciphers, \ 690 ssl3_get_cipher, \ 691 s_get_meth, \ 692 ssl3_default_timeout, \ 693 &SSLv3_enc_data, \ 694 ssl_undefined_void_function, \ 695 ssl3_callback_ctrl, \ 696 ssl3_ctx_callback_ctrl, \ 697 }; \ 698 return &func_name##_data; \ 699 } 700 701 #define IMPLEMENT_ssl23_meth_func(func_name, s_accept, s_connect, s_get_meth) \ 702 const SSL_METHOD *func_name(void) \ 703 { \ 704 static const SSL_METHOD func_name##_data= { \ 705 TLS1_2_VERSION, \ 706 tls1_new, \ 707 tls1_clear, \ 708 tls1_free, \ 709 s_accept, \ 710 s_connect, \ 711 ssl23_read, \ 712 ssl23_peek, \ 713 ssl23_write, \ 714 ssl_undefined_function, \ 715 ssl_undefined_function, \ 716 ssl_ok, \ 717 ssl3_get_message, \ 718 ssl3_read_bytes, \ 719 ssl3_write_bytes, \ 720 ssl3_dispatch_alert, \ 721 ssl3_ctrl, \ 722 ssl3_ctx_ctrl, \ 723 ssl23_get_cipher_by_char, \ 724 ssl23_put_cipher_by_char, \ 725 ssl_undefined_const_function, \ 726 ssl23_num_ciphers, \ 727 ssl23_get_cipher, \ 728 s_get_meth, \ 729 ssl23_default_timeout, \ 730 &ssl3_undef_enc_method, \ 731 ssl_undefined_void_function, \ 732 ssl3_callback_ctrl, \ 733 ssl3_ctx_callback_ctrl, \ 734 }; \ 735 return &func_name##_data; \ 736 } 737 738 #define IMPLEMENT_ssl2_meth_func(func_name, s_accept, s_connect, s_get_meth) \ 739 const SSL_METHOD *func_name(void) \ 740 { \ 741 static const SSL_METHOD func_name##_data= { \ 742 SSL2_VERSION, \ 743 ssl2_new, /* local */ \ 744 ssl2_clear, /* local */ \ 745 ssl2_free, /* local */ \ 746 s_accept, \ 747 s_connect, \ 748 ssl2_read, \ 749 ssl2_peek, \ 750 ssl2_write, \ 751 ssl2_shutdown, \ 752 ssl_ok, /* NULL - renegotiate */ \ 753 ssl_ok, /* NULL - check renegotiate */ \ 754 NULL, /* NULL - ssl_get_message */ \ 755 NULL, /* NULL - ssl_get_record */ \ 756 NULL, /* NULL - ssl_write_bytes */ \ 757 NULL, /* NULL - dispatch_alert */ \ 758 ssl2_ctrl, /* local */ \ 759 ssl2_ctx_ctrl, /* local */ \ 760 ssl2_get_cipher_by_char, \ 761 ssl2_put_cipher_by_char, \ 762 ssl2_pending, \ 763 ssl2_num_ciphers, \ 764 ssl2_get_cipher, \ 765 s_get_meth, \ 766 ssl2_default_timeout, \ 767 &ssl3_undef_enc_method, \ 768 ssl_undefined_void_function, \ 769 ssl2_callback_ctrl, /* local */ \ 770 ssl2_ctx_callback_ctrl, /* local */ \ 771 }; \ 772 return &func_name##_data; \ 773 } 774 775 #define IMPLEMENT_dtls1_meth_func(func_name, s_accept, s_connect, s_get_meth) \ 776 const SSL_METHOD *func_name(void) \ 777 { \ 778 static const SSL_METHOD func_name##_data= { \ 779 DTLS1_VERSION, \ 780 dtls1_new, \ 781 dtls1_clear, \ 782 dtls1_free, \ 783 s_accept, \ 784 s_connect, \ 785 ssl3_read, \ 786 ssl3_peek, \ 787 ssl3_write, \ 788 dtls1_shutdown, \ 789 ssl3_renegotiate, \ 790 ssl3_renegotiate_check, \ 791 dtls1_get_message, \ 792 dtls1_read_bytes, \ 793 dtls1_write_app_data_bytes, \ 794 dtls1_dispatch_alert, \ 795 dtls1_ctrl, \ 796 ssl3_ctx_ctrl, \ 797 ssl3_get_cipher_by_char, \ 798 ssl3_put_cipher_by_char, \ 799 ssl3_pending, \ 800 ssl3_num_ciphers, \ 801 dtls1_get_cipher, \ 802 s_get_meth, \ 803 dtls1_default_timeout, \ 804 &DTLSv1_enc_data, \ 805 ssl_undefined_void_function, \ 806 ssl3_callback_ctrl, \ 807 ssl3_ctx_callback_ctrl, \ 808 }; \ 809 return &func_name##_data; \ 810 } 811 812 void ssl_clear_cipher_ctx(SSL *s); 813 int ssl_clear_bad_session(SSL *s); 814 CERT *ssl_cert_new(void); 815 CERT *ssl_cert_dup(CERT *cert); 816 int ssl_cert_inst(CERT **o); 817 void ssl_cert_free(CERT *c); 818 SESS_CERT *ssl_sess_cert_new(void); 819 void ssl_sess_cert_free(SESS_CERT *sc); 820 int ssl_set_peer_cert_type(SESS_CERT *c, int type); 821 int ssl_get_new_session(SSL *s, int session); 822 int ssl_get_prev_session(SSL *s, unsigned char *session,int len, const unsigned char *limit); 823 int ssl_cipher_id_cmp(const SSL_CIPHER *a,const SSL_CIPHER *b); 824 DECLARE_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, 825 ssl_cipher_id); 826 int ssl_cipher_ptr_id_cmp(const SSL_CIPHER * const *ap, 827 const SSL_CIPHER * const *bp); 828 STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num, 829 STACK_OF(SSL_CIPHER) **skp); 830 int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p, 831 int (*put_cb)(const SSL_CIPHER *, unsigned char *)); 832 STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *meth, 833 STACK_OF(SSL_CIPHER) **pref, 834 STACK_OF(SSL_CIPHER) **sorted, 835 const char *rule_str); 836 void ssl_update_cache(SSL *s, int mode); 837 int ssl_cipher_get_evp(const SSL_SESSION *s,const EVP_CIPHER **enc, 838 const EVP_MD **md,int *mac_pkey_type,int *mac_secret_size, SSL_COMP **comp); 839 int ssl_get_handshake_digest(int i,long *mask,const EVP_MD **md); 840 int ssl_verify_cert_chain(SSL *s,STACK_OF(X509) *sk); 841 int ssl_undefined_function(SSL *s); 842 int ssl_undefined_void_function(void); 843 int ssl_undefined_const_function(const SSL *s); 844 CERT_PKEY *ssl_get_server_send_pkey(const SSL *s); 845 X509 *ssl_get_server_send_cert(const SSL *); 846 EVP_PKEY *ssl_get_sign_pkey(SSL *s,const SSL_CIPHER *c, const EVP_MD **pmd); 847 int ssl_cert_type(X509 *x,EVP_PKEY *pkey); 848 void ssl_set_cert_masks(CERT *c, const SSL_CIPHER *cipher); 849 STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s); 850 int ssl_verify_alarm_type(long type); 851 void ssl_load_ciphers(void); 852 853 int ssl2_enc_init(SSL *s, int client); 854 int ssl2_generate_key_material(SSL *s); 855 void ssl2_enc(SSL *s,int send_data); 856 void ssl2_mac(SSL *s,unsigned char *mac,int send_data); 857 const SSL_CIPHER *ssl2_get_cipher_by_char(const unsigned char *p); 858 int ssl2_put_cipher_by_char(const SSL_CIPHER *c,unsigned char *p); 859 int ssl2_part_read(SSL *s, unsigned long f, int i); 860 int ssl2_do_write(SSL *s); 861 int ssl2_set_certificate(SSL *s, int type, int len, const unsigned char *data); 862 void ssl2_return_error(SSL *s,int reason); 863 void ssl2_write_error(SSL *s); 864 int ssl2_num_ciphers(void); 865 const SSL_CIPHER *ssl2_get_cipher(unsigned int u); 866 int ssl2_new(SSL *s); 867 void ssl2_free(SSL *s); 868 int ssl2_accept(SSL *s); 869 int ssl2_connect(SSL *s); 870 int ssl2_read(SSL *s, void *buf, int len); 871 int ssl2_peek(SSL *s, void *buf, int len); 872 int ssl2_write(SSL *s, const void *buf, int len); 873 int ssl2_shutdown(SSL *s); 874 void ssl2_clear(SSL *s); 875 long ssl2_ctrl(SSL *s,int cmd, long larg, void *parg); 876 long ssl2_ctx_ctrl(SSL_CTX *s,int cmd, long larg, void *parg); 877 long ssl2_callback_ctrl(SSL *s,int cmd, void (*fp)(void)); 878 long ssl2_ctx_callback_ctrl(SSL_CTX *s,int cmd, void (*fp)(void)); 879 int ssl2_pending(const SSL *s); 880 long ssl2_default_timeout(void ); 881 882 const SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p); 883 int ssl3_put_cipher_by_char(const SSL_CIPHER *c,unsigned char *p); 884 void ssl3_init_finished_mac(SSL *s); 885 int ssl3_send_server_certificate(SSL *s); 886 int ssl3_send_newsession_ticket(SSL *s); 887 int ssl3_send_cert_status(SSL *s); 888 int ssl3_get_finished(SSL *s,int state_a,int state_b); 889 int ssl3_setup_key_block(SSL *s); 890 int ssl3_send_change_cipher_spec(SSL *s,int state_a,int state_b); 891 int ssl3_change_cipher_state(SSL *s,int which); 892 void ssl3_cleanup_key_block(SSL *s); 893 int ssl3_do_write(SSL *s,int type); 894 int ssl3_send_alert(SSL *s,int level, int desc); 895 int ssl3_generate_master_secret(SSL *s, unsigned char *out, 896 unsigned char *p, int len); 897 int ssl3_get_req_cert_type(SSL *s,unsigned char *p); 898 long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok); 899 int ssl3_send_finished(SSL *s, int a, int b, const char *sender,int slen); 900 int ssl3_num_ciphers(void); 901 const SSL_CIPHER *ssl3_get_cipher(unsigned int u); 902 int ssl3_renegotiate(SSL *ssl); 903 int ssl3_renegotiate_check(SSL *ssl); 904 int ssl3_dispatch_alert(SSL *s); 905 int ssl3_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek); 906 int ssl3_write_bytes(SSL *s, int type, const void *buf, int len); 907 int ssl3_final_finish_mac(SSL *s, const char *sender, int slen,unsigned char *p); 908 int ssl3_cert_verify_mac(SSL *s, int md_nid, unsigned char *p); 909 void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len); 910 int ssl3_enc(SSL *s, int send_data); 911 int n_ssl3_mac(SSL *ssl, unsigned char *md, int send_data); 912 void ssl3_free_digest_list(SSL *s); 913 unsigned long ssl3_output_cert_chain(SSL *s, X509 *x); 914 SSL_CIPHER *ssl3_choose_cipher(SSL *ssl,STACK_OF(SSL_CIPHER) *clnt, 915 STACK_OF(SSL_CIPHER) *srvr); 916 int ssl3_setup_buffers(SSL *s); 917 int ssl3_setup_read_buffer(SSL *s); 918 int ssl3_setup_write_buffer(SSL *s); 919 int ssl3_release_read_buffer(SSL *s); 920 int ssl3_release_write_buffer(SSL *s); 921 int ssl3_digest_cached_records(SSL *s); 922 int ssl3_new(SSL *s); 923 void ssl3_free(SSL *s); 924 int ssl3_accept(SSL *s); 925 int ssl3_connect(SSL *s); 926 int ssl3_read(SSL *s, void *buf, int len); 927 int ssl3_peek(SSL *s, void *buf, int len); 928 int ssl3_write(SSL *s, const void *buf, int len); 929 int ssl3_shutdown(SSL *s); 930 void ssl3_clear(SSL *s); 931 long ssl3_ctrl(SSL *s,int cmd, long larg, void *parg); 932 long ssl3_ctx_ctrl(SSL_CTX *s,int cmd, long larg, void *parg); 933 long ssl3_callback_ctrl(SSL *s,int cmd, void (*fp)(void)); 934 long ssl3_ctx_callback_ctrl(SSL_CTX *s,int cmd, void (*fp)(void)); 935 int ssl3_pending(const SSL *s); 936 937 void ssl3_record_sequence_update(unsigned char *seq); 938 int ssl3_do_change_cipher_spec(SSL *ssl); 939 long ssl3_default_timeout(void ); 940 941 int ssl23_num_ciphers(void ); 942 const SSL_CIPHER *ssl23_get_cipher(unsigned int u); 943 int ssl23_read(SSL *s, void *buf, int len); 944 int ssl23_peek(SSL *s, void *buf, int len); 945 int ssl23_write(SSL *s, const void *buf, int len); 946 int ssl23_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p); 947 const SSL_CIPHER *ssl23_get_cipher_by_char(const unsigned char *p); 948 long ssl23_default_timeout(void ); 949 950 long tls1_default_timeout(void); 951 int dtls1_do_write(SSL *s,int type); 952 int ssl3_read_n(SSL *s, int n, int max, int extend); 953 int dtls1_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek); 954 int ssl3_do_compress(SSL *ssl); 955 int ssl3_do_uncompress(SSL *ssl); 956 int ssl3_write_pending(SSL *s, int type, const unsigned char *buf, 957 unsigned int len); 958 unsigned char *dtls1_set_message_header(SSL *s, 959 unsigned char *p, unsigned char mt, unsigned long len, 960 unsigned long frag_off, unsigned long frag_len); 961 962 int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf, int len); 963 int dtls1_write_bytes(SSL *s, int type, const void *buf, int len); 964 965 int dtls1_send_change_cipher_spec(SSL *s, int a, int b); 966 int dtls1_send_finished(SSL *s, int a, int b, const char *sender, int slen); 967 unsigned long dtls1_output_cert_chain(SSL *s, X509 *x); 968 int dtls1_read_failed(SSL *s, int code); 969 int dtls1_buffer_message(SSL *s, int ccs); 970 int dtls1_retransmit_message(SSL *s, unsigned short seq, 971 unsigned long frag_off, int *found); 972 int dtls1_get_queue_priority(unsigned short seq, int is_ccs); 973 int dtls1_retransmit_buffered_messages(SSL *s); 974 void dtls1_clear_record_buffer(SSL *s); 975 void dtls1_get_message_header(unsigned char *data, struct hm_header_st *msg_hdr); 976 void dtls1_get_ccs_header(unsigned char *data, struct ccs_header_st *ccs_hdr); 977 void dtls1_reset_seq_numbers(SSL *s, int rw); 978 long dtls1_default_timeout(void); 979 struct timeval* dtls1_get_timeout(SSL *s, struct timeval* timeleft); 980 int dtls1_check_timeout_num(SSL *s); 981 int dtls1_handle_timeout(SSL *s); 982 const SSL_CIPHER *dtls1_get_cipher(unsigned int u); 983 void dtls1_start_timer(SSL *s); 984 void dtls1_stop_timer(SSL *s); 985 int dtls1_is_timer_expired(SSL *s); 986 void dtls1_double_timeout(SSL *s); 987 int dtls1_send_newsession_ticket(SSL *s); 988 unsigned int dtls1_min_mtu(void); 989 990 /* some client-only functions */ 991 int ssl3_client_hello(SSL *s); 992 int ssl3_get_server_hello(SSL *s); 993 int ssl3_get_certificate_request(SSL *s); 994 int ssl3_get_new_session_ticket(SSL *s); 995 int ssl3_get_cert_status(SSL *s); 996 int ssl3_get_server_done(SSL *s); 997 int ssl3_send_client_verify(SSL *s); 998 int ssl3_send_client_certificate(SSL *s); 999 int ssl_do_client_cert_cb(SSL *s, X509 **px509, EVP_PKEY **ppkey); 1000 int ssl3_send_client_key_exchange(SSL *s); 1001 int ssl3_get_key_exchange(SSL *s); 1002 int ssl3_get_server_certificate(SSL *s); 1003 int ssl3_check_cert_and_algorithm(SSL *s); 1004 #ifndef OPENSSL_NO_TLSEXT 1005 int ssl3_check_finished(SSL *s); 1006 # ifndef OPENSSL_NO_NEXTPROTONEG 1007 int ssl3_send_next_proto(SSL *s); 1008 int ssl3_send_channel_id(SSL *s); 1009 # endif 1010 #endif 1011 1012 int dtls1_client_hello(SSL *s); 1013 int dtls1_send_client_certificate(SSL *s); 1014 int dtls1_send_client_key_exchange(SSL *s); 1015 int dtls1_send_client_verify(SSL *s); 1016 1017 /* some server-only functions */ 1018 int ssl3_get_client_hello(SSL *s); 1019 int ssl3_send_server_hello(SSL *s); 1020 int ssl3_send_hello_request(SSL *s); 1021 int ssl3_send_server_key_exchange(SSL *s); 1022 int ssl3_send_certificate_request(SSL *s); 1023 int ssl3_send_server_done(SSL *s); 1024 int ssl3_check_client_hello(SSL *s); 1025 int ssl3_get_client_certificate(SSL *s); 1026 int ssl3_get_client_key_exchange(SSL *s); 1027 int ssl3_get_cert_verify(SSL *s); 1028 #ifndef OPENSSL_NO_NEXTPROTONEG 1029 int ssl3_get_next_proto(SSL *s); 1030 #endif 1031 int ssl3_get_channel_id(SSL *s); 1032 1033 int dtls1_send_hello_request(SSL *s); 1034 int dtls1_send_server_hello(SSL *s); 1035 int dtls1_send_server_certificate(SSL *s); 1036 int dtls1_send_server_key_exchange(SSL *s); 1037 int dtls1_send_certificate_request(SSL *s); 1038 int dtls1_send_server_done(SSL *s); 1039 1040 1041 1042 int ssl23_accept(SSL *s); 1043 int ssl23_connect(SSL *s); 1044 int ssl23_read_bytes(SSL *s, int n); 1045 int ssl23_write_bytes(SSL *s); 1046 1047 int tls1_new(SSL *s); 1048 void tls1_free(SSL *s); 1049 void tls1_clear(SSL *s); 1050 long tls1_ctrl(SSL *s,int cmd, long larg, void *parg); 1051 long tls1_callback_ctrl(SSL *s,int cmd, void (*fp)(void)); 1052 1053 int dtls1_new(SSL *s); 1054 int dtls1_accept(SSL *s); 1055 int dtls1_connect(SSL *s); 1056 void dtls1_free(SSL *s); 1057 void dtls1_clear(SSL *s); 1058 long dtls1_ctrl(SSL *s,int cmd, long larg, void *parg); 1059 int dtls1_shutdown(SSL *s); 1060 1061 long dtls1_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok); 1062 int dtls1_get_record(SSL *s); 1063 int do_dtls1_write(SSL *s, int type, const unsigned char *buf, 1064 unsigned int len, int create_empty_fragement); 1065 int dtls1_dispatch_alert(SSL *s); 1066 int dtls1_enc(SSL *s, int snd); 1067 1068 int ssl_init_wbio_buffer(SSL *s, int push); 1069 void ssl_free_wbio_buffer(SSL *s); 1070 1071 int tls1_change_cipher_state(SSL *s, int which); 1072 int tls1_setup_key_block(SSL *s); 1073 int tls1_enc(SSL *s, int snd); 1074 int tls1_final_finish_mac(SSL *s, 1075 const char *str, int slen, unsigned char *p); 1076 int tls1_cert_verify_mac(SSL *s, int md_nid, unsigned char *p); 1077 int tls1_mac(SSL *ssl, unsigned char *md, int snd); 1078 int tls1_generate_master_secret(SSL *s, unsigned char *out, 1079 unsigned char *p, int len); 1080 int tls1_export_keying_material(SSL *s, unsigned char *out, size_t olen, 1081 const char *label, size_t llen, 1082 const unsigned char *p, size_t plen, int use_context); 1083 int tls1_alert_code(int code); 1084 int ssl3_alert_code(int code); 1085 int ssl_ok(SSL *s); 1086 1087 #ifndef OPENSSL_NO_ECDH 1088 int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s); 1089 #endif 1090 1091 SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n); 1092 1093 #ifndef OPENSSL_NO_EC 1094 int tls1_ec_curve_id2nid(int curve_id); 1095 int tls1_ec_nid2curve_id(int nid); 1096 #endif /* OPENSSL_NO_EC */ 1097 1098 #ifndef OPENSSL_NO_TLSEXT 1099 unsigned char *ssl_add_clienthello_tlsext(SSL *s, unsigned char *p, unsigned char *limit); 1100 unsigned char *ssl_add_serverhello_tlsext(SSL *s, unsigned char *p, unsigned char *limit); 1101 int ssl_parse_clienthello_tlsext(SSL *s, unsigned char **data, unsigned char *d, int n, int *al); 1102 int ssl_parse_serverhello_tlsext(SSL *s, unsigned char **data, unsigned char *d, int n, int *al); 1103 int ssl_prepare_clienthello_tlsext(SSL *s); 1104 int ssl_prepare_serverhello_tlsext(SSL *s); 1105 int ssl_check_clienthello_tlsext_early(SSL *s); 1106 int ssl_check_clienthello_tlsext_late(SSL *s); 1107 int ssl_check_serverhello_tlsext(SSL *s); 1108 1109 #ifndef OPENSSL_NO_HEARTBEATS 1110 int tls1_heartbeat(SSL *s); 1111 int dtls1_heartbeat(SSL *s); 1112 int tls1_process_heartbeat(SSL *s); 1113 int dtls1_process_heartbeat(SSL *s); 1114 #endif 1115 1116 #ifdef OPENSSL_NO_SHA256 1117 #define tlsext_tick_md EVP_sha1 1118 #else 1119 #define tlsext_tick_md EVP_sha256 1120 #endif 1121 int tls1_process_ticket(SSL *s, unsigned char *session_id, int len, 1122 const unsigned char *limit, SSL_SESSION **ret); 1123 1124 int tls12_get_sigandhash(unsigned char *p, const EVP_PKEY *pk, 1125 const EVP_MD *md); 1126 int tls12_get_sigid(const EVP_PKEY *pk); 1127 const EVP_MD *tls12_get_hash(unsigned char hash_alg); 1128 1129 int tls1_channel_id_hash(EVP_MD_CTX *ctx, SSL *s); 1130 #endif 1131 1132 EVP_MD_CTX* ssl_replace_hash(EVP_MD_CTX **hash,const EVP_MD *md) ; 1133 void ssl_clear_hash_ctx(EVP_MD_CTX **hash); 1134 int ssl_add_serverhello_renegotiate_ext(SSL *s, unsigned char *p, int *len, 1135 int maxlen); 1136 int ssl_parse_serverhello_renegotiate_ext(SSL *s, unsigned char *d, int len, 1137 int *al); 1138 int ssl_add_clienthello_renegotiate_ext(SSL *s, unsigned char *p, int *len, 1139 int maxlen); 1140 int ssl_parse_clienthello_renegotiate_ext(SSL *s, unsigned char *d, int len, 1141 int *al); 1142 long ssl_get_algorithm2(SSL *s); 1143 int tls1_process_sigalgs(SSL *s, const unsigned char *data, int dsize); 1144 int tls12_get_req_sig_algs(SSL *s, unsigned char *p); 1145 1146 int ssl_add_clienthello_use_srtp_ext(SSL *s, unsigned char *p, int *len, int maxlen); 1147 int ssl_parse_clienthello_use_srtp_ext(SSL *s, unsigned char *d, int len,int *al); 1148 int ssl_add_serverhello_use_srtp_ext(SSL *s, unsigned char *p, int *len, int maxlen); 1149 int ssl_parse_serverhello_use_srtp_ext(SSL *s, unsigned char *d, int len,int *al); 1150 1151 /* s3_cbc.c */ 1152 void ssl3_cbc_copy_mac(unsigned char* out, 1153 const SSL3_RECORD *rec, 1154 unsigned md_size,unsigned orig_len); 1155 int ssl3_cbc_remove_padding(const SSL* s, 1156 SSL3_RECORD *rec, 1157 unsigned block_size, 1158 unsigned mac_size); 1159 int tls1_cbc_remove_padding(const SSL* s, 1160 SSL3_RECORD *rec, 1161 unsigned block_size, 1162 unsigned mac_size); 1163 char ssl3_cbc_record_digest_supported(const EVP_MD_CTX *ctx); 1164 void ssl3_cbc_digest_record( 1165 const EVP_MD_CTX *ctx, 1166 unsigned char* md_out, 1167 size_t* md_out_size, 1168 const unsigned char header[13], 1169 const unsigned char *data, 1170 size_t data_plus_mac_size, 1171 size_t data_plus_mac_plus_padding_size, 1172 const unsigned char *mac_secret, 1173 unsigned mac_secret_length, 1174 char is_sslv3); 1175 1176 void tls_fips_digest_extra( 1177 const EVP_CIPHER_CTX *cipher_ctx, EVP_MD_CTX *mac_ctx, 1178 const unsigned char *data, size_t data_len, size_t orig_len); 1179 1180 #endif 1181
