ssl_locl.h revision 260405
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 */ 314 315 316/* 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 380 381 382 383/* 384 * Export and cipher strength information. For each cipher we have to decide 385 * whether it is exportable or not. This information is likely to change 386 * over time, since the export control rules are no static technical issue. 387 * 388 * Independent of the export flag the cipher strength is sorted into classes. 389 * SSL_EXP40 was denoting the 40bit US export limit of past times, which now 390 * is at 56bit (SSL_EXP56). If the exportable cipher class is going to change 391 * again (eg. to 64bit) the use of "SSL_EXP*" becomes blurred even more, 392 * since SSL_EXP64 could be similar to SSL_LOW. 393 * For this reason SSL_MICRO and SSL_MINI macros are included to widen the 394 * namespace of SSL_LOW-SSL_HIGH to lower values. As development of speed 395 * and ciphers goes, another extension to SSL_SUPER and/or SSL_ULTRA would 396 * be possible. 397 */ 398#define SSL_EXP_MASK 0x00000003L 399#define SSL_STRONG_MASK 0x000001fcL 400 401#define SSL_NOT_EXP 0x00000001L 402#define SSL_EXPORT 0x00000002L 403 404#define SSL_STRONG_NONE 0x00000004L 405#define SSL_EXP40 0x00000008L 406#define SSL_MICRO (SSL_EXP40) 407#define SSL_EXP56 0x00000010L 408#define SSL_MINI (SSL_EXP56) 409#define SSL_LOW 0x00000020L 410#define SSL_MEDIUM 0x00000040L 411#define SSL_HIGH 0x00000080L 412#define SSL_FIPS 0x00000100L 413 414/* we have used 000001ff - 23 bits left to go */ 415 416/* 417 * Macros to check the export status and cipher strength for export ciphers. 418 * Even though the macros for EXPORT and EXPORT40/56 have similar names, 419 * their meaning is different: 420 * *_EXPORT macros check the 'exportable' status. 421 * *_EXPORT40/56 macros are used to check whether a certain cipher strength 422 * is given. 423 * Since the SSL_IS_EXPORT* and SSL_EXPORT* macros depend on the correct 424 * algorithm structure element to be passed (algorithms, algo_strength) and no 425 * typechecking can be done as they are all of type unsigned long, their 426 * direct usage is discouraged. 427 * Use the SSL_C_* macros instead. 428 */ 429#define SSL_IS_EXPORT(a) ((a)&SSL_EXPORT) 430#define SSL_IS_EXPORT56(a) ((a)&SSL_EXP56) 431#define SSL_IS_EXPORT40(a) ((a)&SSL_EXP40) 432#define SSL_C_IS_EXPORT(c) SSL_IS_EXPORT((c)->algo_strength) 433#define SSL_C_IS_EXPORT56(c) SSL_IS_EXPORT56((c)->algo_strength) 434#define SSL_C_IS_EXPORT40(c) SSL_IS_EXPORT40((c)->algo_strength) 435 436#define SSL_EXPORT_KEYLENGTH(a,s) (SSL_IS_EXPORT40(s) ? 5 : \ 437 (a) == SSL_DES ? 8 : 7) 438#define SSL_EXPORT_PKEYLENGTH(a) (SSL_IS_EXPORT40(a) ? 512 : 1024) 439#define SSL_C_EXPORT_KEYLENGTH(c) SSL_EXPORT_KEYLENGTH((c)->algorithm_enc, \ 440 (c)->algo_strength) 441#define SSL_C_EXPORT_PKEYLENGTH(c) SSL_EXPORT_PKEYLENGTH((c)->algo_strength) 442 443 444 445 446/* Mostly for SSLv3 */ 447#define SSL_PKEY_RSA_ENC 0 448#define SSL_PKEY_RSA_SIGN 1 449#define SSL_PKEY_DSA_SIGN 2 450#define SSL_PKEY_DH_RSA 3 451#define SSL_PKEY_DH_DSA 4 452#define SSL_PKEY_ECC 5 453#define SSL_PKEY_GOST94 6 454#define SSL_PKEY_GOST01 7 455#define SSL_PKEY_NUM 8 456 457/* SSL_kRSA <- RSA_ENC | (RSA_TMP & RSA_SIGN) | 458 * <- (EXPORT & (RSA_ENC | RSA_TMP) & RSA_SIGN) 459 * SSL_kDH <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN) 460 * SSL_kEDH <- RSA_ENC | RSA_SIGN | DSA_SIGN 461 * SSL_aRSA <- RSA_ENC | RSA_SIGN 462 * SSL_aDSS <- DSA_SIGN 463 */ 464 465/* 466#define CERT_INVALID 0 467#define CERT_PUBLIC_KEY 1 468#define CERT_PRIVATE_KEY 2 469*/ 470 471#ifndef OPENSSL_NO_EC 472/* From ECC-TLS draft, used in encoding the curve type in 473 * ECParameters 474 */ 475#define EXPLICIT_PRIME_CURVE_TYPE 1 476#define EXPLICIT_CHAR2_CURVE_TYPE 2 477#define NAMED_CURVE_TYPE 3 478#endif /* OPENSSL_NO_EC */ 479 480typedef struct cert_pkey_st 481 { 482 X509 *x509; 483 EVP_PKEY *privatekey; 484 /* Digest to use when signing */ 485 const EVP_MD *digest; 486 } CERT_PKEY; 487 488typedef struct cert_st 489 { 490 /* Current active set */ 491 CERT_PKEY *key; /* ALWAYS points to an element of the pkeys array 492 * Probably it would make more sense to store 493 * an index, not a pointer. */ 494 495 /* The following masks are for the key and auth 496 * algorithms that are supported by the certs below */ 497 int valid; 498 unsigned long mask_k; 499 unsigned long mask_a; 500 unsigned long export_mask_k; 501 unsigned long export_mask_a; 502#ifndef OPENSSL_NO_RSA 503 RSA *rsa_tmp; 504 RSA *(*rsa_tmp_cb)(SSL *ssl,int is_export,int keysize); 505#endif 506#ifndef OPENSSL_NO_DH 507 DH *dh_tmp; 508 DH *(*dh_tmp_cb)(SSL *ssl,int is_export,int keysize); 509#endif 510#ifndef OPENSSL_NO_ECDH 511 EC_KEY *ecdh_tmp; 512 /* Callback for generating ephemeral ECDH keys */ 513 EC_KEY *(*ecdh_tmp_cb)(SSL *ssl,int is_export,int keysize); 514#endif 515 516 CERT_PKEY pkeys[SSL_PKEY_NUM]; 517 518 int references; /* >1 only if SSL_copy_session_id is used */ 519 } CERT; 520 521 522typedef struct sess_cert_st 523 { 524 STACK_OF(X509) *cert_chain; /* as received from peer (not for SSL2) */ 525 526 /* The 'peer_...' members are used only by clients. */ 527 int peer_cert_type; 528 529 CERT_PKEY *peer_key; /* points to an element of peer_pkeys (never NULL!) */ 530 CERT_PKEY peer_pkeys[SSL_PKEY_NUM]; 531 /* Obviously we don't have the private keys of these, 532 * so maybe we shouldn't even use the CERT_PKEY type here. */ 533 534#ifndef OPENSSL_NO_RSA 535 RSA *peer_rsa_tmp; /* not used for SSL 2 */ 536#endif 537#ifndef OPENSSL_NO_DH 538 DH *peer_dh_tmp; /* not used for SSL 2 */ 539#endif 540#ifndef OPENSSL_NO_ECDH 541 EC_KEY *peer_ecdh_tmp; 542#endif 543 544 int references; /* actually always 1 at the moment */ 545 } SESS_CERT; 546 547 548/*#define MAC_DEBUG */ 549 550/*#define ERR_DEBUG */ 551/*#define ABORT_DEBUG */ 552/*#define PKT_DEBUG 1 */ 553/*#define DES_DEBUG */ 554/*#define DES_OFB_DEBUG */ 555/*#define SSL_DEBUG */ 556/*#define RSA_DEBUG */ 557/*#define IDEA_DEBUG */ 558 559#define FP_ICC (int (*)(const void *,const void *)) 560#define ssl_put_cipher_by_char(ssl,ciph,ptr) \ 561 ((ssl)->method->put_cipher_by_char((ciph),(ptr))) 562#define ssl_get_cipher_by_char(ssl,ptr) \ 563 ((ssl)->method->get_cipher_by_char(ptr)) 564 565/* This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff 566 * It is a bit of a mess of functions, but hell, think of it as 567 * an opaque structure :-) */ 568typedef struct ssl3_enc_method 569 { 570 int (*enc)(SSL *, int); 571 int (*mac)(SSL *, unsigned char *, int); 572 int (*setup_key_block)(SSL *); 573 int (*generate_master_secret)(SSL *, unsigned char *, unsigned char *, int); 574 int (*change_cipher_state)(SSL *, int); 575 int (*final_finish_mac)(SSL *, const char *, int, unsigned char *); 576 int finish_mac_length; 577 int (*cert_verify_mac)(SSL *, int, unsigned char *); 578 const char *client_finished_label; 579 int client_finished_label_len; 580 const char *server_finished_label; 581 int server_finished_label_len; 582 int (*alert_value)(int); 583 int (*export_keying_material)(SSL *, unsigned char *, size_t, 584 const char *, size_t, 585 const unsigned char *, size_t, 586 int use_context); 587 } SSL3_ENC_METHOD; 588 589#ifndef OPENSSL_NO_COMP 590/* Used for holding the relevant compression methods loaded into SSL_CTX */ 591typedef struct ssl3_comp_st 592 { 593 int comp_id; /* The identifier byte for this compression type */ 594 char *name; /* Text name used for the compression type */ 595 COMP_METHOD *method; /* The method :-) */ 596 } SSL3_COMP; 597#endif 598 599#ifndef OPENSSL_NO_BUF_FREELISTS 600typedef struct ssl3_buf_freelist_st 601 { 602 size_t chunklen; 603 unsigned int len; 604 struct ssl3_buf_freelist_entry_st *head; 605 } SSL3_BUF_FREELIST; 606 607typedef struct ssl3_buf_freelist_entry_st 608 { 609 struct ssl3_buf_freelist_entry_st *next; 610 } SSL3_BUF_FREELIST_ENTRY; 611#endif 612 613extern SSL3_ENC_METHOD ssl3_undef_enc_method; 614OPENSSL_EXTERN const SSL_CIPHER ssl2_ciphers[]; 615OPENSSL_EXTERN SSL_CIPHER ssl3_ciphers[]; 616 617 618SSL_METHOD *ssl_bad_method(int ver); 619 620extern SSL3_ENC_METHOD TLSv1_enc_data; 621extern SSL3_ENC_METHOD SSLv3_enc_data; 622extern SSL3_ENC_METHOD DTLSv1_enc_data; 623 624#define SSL_IS_DTLS(s) (s->method->version == DTLS1_VERSION) 625 626#define IMPLEMENT_tls_meth_func(version, func_name, s_accept, s_connect, \ 627 s_get_meth) \ 628const 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) \ 665const 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) \ 702const 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) \ 739const 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) \ 776const 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 812void ssl_clear_cipher_ctx(SSL *s); 813int ssl_clear_bad_session(SSL *s); 814CERT *ssl_cert_new(void); 815CERT *ssl_cert_dup(CERT *cert); 816int ssl_cert_inst(CERT **o); 817void ssl_cert_free(CERT *c); 818SESS_CERT *ssl_sess_cert_new(void); 819void ssl_sess_cert_free(SESS_CERT *sc); 820int ssl_set_peer_cert_type(SESS_CERT *c, int type); 821int ssl_get_new_session(SSL *s, int session); 822int ssl_get_prev_session(SSL *s, unsigned char *session,int len, const unsigned char *limit); 823int ssl_cipher_id_cmp(const SSL_CIPHER *a,const SSL_CIPHER *b); 824DECLARE_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, 825 ssl_cipher_id); 826int ssl_cipher_ptr_id_cmp(const SSL_CIPHER * const *ap, 827 const SSL_CIPHER * const *bp); 828STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s,unsigned char *p,int num, 829 STACK_OF(SSL_CIPHER) **skp); 830int ssl_cipher_list_to_bytes(SSL *s,STACK_OF(SSL_CIPHER) *sk,unsigned char *p, 831 int (*put_cb)(const SSL_CIPHER *, unsigned char *)); 832STACK_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); 836void ssl_update_cache(SSL *s, int mode); 837int 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); 839int ssl_get_handshake_digest(int i,long *mask,const EVP_MD **md); 840int ssl_verify_cert_chain(SSL *s,STACK_OF(X509) *sk); 841int ssl_undefined_function(SSL *s); 842int ssl_undefined_void_function(void); 843int ssl_undefined_const_function(const SSL *s); 844CERT_PKEY *ssl_get_server_send_pkey(const SSL *s); 845X509 *ssl_get_server_send_cert(const SSL *); 846EVP_PKEY *ssl_get_sign_pkey(SSL *s,const SSL_CIPHER *c, const EVP_MD **pmd); 847int ssl_cert_type(X509 *x,EVP_PKEY *pkey); 848void ssl_set_cert_masks(CERT *c, const SSL_CIPHER *cipher); 849STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s); 850int ssl_verify_alarm_type(long type); 851void ssl_load_ciphers(void); 852 853int ssl2_enc_init(SSL *s, int client); 854int ssl2_generate_key_material(SSL *s); 855void ssl2_enc(SSL *s,int send_data); 856void ssl2_mac(SSL *s,unsigned char *mac,int send_data); 857const SSL_CIPHER *ssl2_get_cipher_by_char(const unsigned char *p); 858int ssl2_put_cipher_by_char(const SSL_CIPHER *c,unsigned char *p); 859int ssl2_part_read(SSL *s, unsigned long f, int i); 860int ssl2_do_write(SSL *s); 861int ssl2_set_certificate(SSL *s, int type, int len, const unsigned char *data); 862void ssl2_return_error(SSL *s,int reason); 863void ssl2_write_error(SSL *s); 864int ssl2_num_ciphers(void); 865const SSL_CIPHER *ssl2_get_cipher(unsigned int u); 866int ssl2_new(SSL *s); 867void ssl2_free(SSL *s); 868int ssl2_accept(SSL *s); 869int ssl2_connect(SSL *s); 870int ssl2_read(SSL *s, void *buf, int len); 871int ssl2_peek(SSL *s, void *buf, int len); 872int ssl2_write(SSL *s, const void *buf, int len); 873int ssl2_shutdown(SSL *s); 874void ssl2_clear(SSL *s); 875long ssl2_ctrl(SSL *s,int cmd, long larg, void *parg); 876long ssl2_ctx_ctrl(SSL_CTX *s,int cmd, long larg, void *parg); 877long ssl2_callback_ctrl(SSL *s,int cmd, void (*fp)(void)); 878long ssl2_ctx_callback_ctrl(SSL_CTX *s,int cmd, void (*fp)(void)); 879int ssl2_pending(const SSL *s); 880long ssl2_default_timeout(void ); 881 882const SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p); 883int ssl3_put_cipher_by_char(const SSL_CIPHER *c,unsigned char *p); 884void ssl3_init_finished_mac(SSL *s); 885int ssl3_send_server_certificate(SSL *s); 886int ssl3_send_newsession_ticket(SSL *s); 887int ssl3_send_cert_status(SSL *s); 888int ssl3_get_finished(SSL *s,int state_a,int state_b); 889int ssl3_setup_key_block(SSL *s); 890int ssl3_send_change_cipher_spec(SSL *s,int state_a,int state_b); 891int ssl3_change_cipher_state(SSL *s,int which); 892void ssl3_cleanup_key_block(SSL *s); 893int ssl3_do_write(SSL *s,int type); 894int ssl3_send_alert(SSL *s,int level, int desc); 895int ssl3_generate_master_secret(SSL *s, unsigned char *out, 896 unsigned char *p, int len); 897int ssl3_get_req_cert_type(SSL *s,unsigned char *p); 898long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok); 899int ssl3_send_finished(SSL *s, int a, int b, const char *sender,int slen); 900int ssl3_num_ciphers(void); 901const SSL_CIPHER *ssl3_get_cipher(unsigned int u); 902int ssl3_renegotiate(SSL *ssl); 903int ssl3_renegotiate_check(SSL *ssl); 904int ssl3_dispatch_alert(SSL *s); 905int ssl3_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek); 906int ssl3_write_bytes(SSL *s, int type, const void *buf, int len); 907int ssl3_final_finish_mac(SSL *s, const char *sender, int slen,unsigned char *p); 908int ssl3_cert_verify_mac(SSL *s, int md_nid, unsigned char *p); 909void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len); 910int ssl3_enc(SSL *s, int send_data); 911int n_ssl3_mac(SSL *ssl, unsigned char *md, int send_data); 912void ssl3_free_digest_list(SSL *s); 913unsigned long ssl3_output_cert_chain(SSL *s, X509 *x); 914SSL_CIPHER *ssl3_choose_cipher(SSL *ssl,STACK_OF(SSL_CIPHER) *clnt, 915 STACK_OF(SSL_CIPHER) *srvr); 916int ssl3_setup_buffers(SSL *s); 917int ssl3_setup_read_buffer(SSL *s); 918int ssl3_setup_write_buffer(SSL *s); 919int ssl3_release_read_buffer(SSL *s); 920int ssl3_release_write_buffer(SSL *s); 921int ssl3_digest_cached_records(SSL *s); 922int ssl3_new(SSL *s); 923void ssl3_free(SSL *s); 924int ssl3_accept(SSL *s); 925int ssl3_connect(SSL *s); 926int ssl3_read(SSL *s, void *buf, int len); 927int ssl3_peek(SSL *s, void *buf, int len); 928int ssl3_write(SSL *s, const void *buf, int len); 929int ssl3_shutdown(SSL *s); 930void ssl3_clear(SSL *s); 931long ssl3_ctrl(SSL *s,int cmd, long larg, void *parg); 932long ssl3_ctx_ctrl(SSL_CTX *s,int cmd, long larg, void *parg); 933long ssl3_callback_ctrl(SSL *s,int cmd, void (*fp)(void)); 934long ssl3_ctx_callback_ctrl(SSL_CTX *s,int cmd, void (*fp)(void)); 935int ssl3_pending(const SSL *s); 936 937void ssl3_record_sequence_update(unsigned char *seq); 938int ssl3_do_change_cipher_spec(SSL *ssl); 939long ssl3_default_timeout(void ); 940 941int ssl23_num_ciphers(void ); 942const SSL_CIPHER *ssl23_get_cipher(unsigned int u); 943int ssl23_read(SSL *s, void *buf, int len); 944int ssl23_peek(SSL *s, void *buf, int len); 945int ssl23_write(SSL *s, const void *buf, int len); 946int ssl23_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p); 947const SSL_CIPHER *ssl23_get_cipher_by_char(const unsigned char *p); 948long ssl23_default_timeout(void ); 949 950long tls1_default_timeout(void); 951int dtls1_do_write(SSL *s,int type); 952int ssl3_read_n(SSL *s, int n, int max, int extend); 953int dtls1_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek); 954int ssl3_do_compress(SSL *ssl); 955int ssl3_do_uncompress(SSL *ssl); 956int ssl3_write_pending(SSL *s, int type, const unsigned char *buf, 957 unsigned int len); 958unsigned 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 962int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf, int len); 963int dtls1_write_bytes(SSL *s, int type, const void *buf, int len); 964 965int dtls1_send_change_cipher_spec(SSL *s, int a, int b); 966int dtls1_send_finished(SSL *s, int a, int b, const char *sender, int slen); 967unsigned long dtls1_output_cert_chain(SSL *s, X509 *x); 968int dtls1_read_failed(SSL *s, int code); 969int dtls1_buffer_message(SSL *s, int ccs); 970int dtls1_retransmit_message(SSL *s, unsigned short seq, 971 unsigned long frag_off, int *found); 972int dtls1_get_queue_priority(unsigned short seq, int is_ccs); 973int dtls1_retransmit_buffered_messages(SSL *s); 974void dtls1_clear_record_buffer(SSL *s); 975void dtls1_get_message_header(unsigned char *data, struct hm_header_st *msg_hdr); 976void dtls1_get_ccs_header(unsigned char *data, struct ccs_header_st *ccs_hdr); 977void dtls1_reset_seq_numbers(SSL *s, int rw); 978long dtls1_default_timeout(void); 979struct timeval* dtls1_get_timeout(SSL *s, struct timeval* timeleft); 980int dtls1_check_timeout_num(SSL *s); 981int dtls1_handle_timeout(SSL *s); 982const SSL_CIPHER *dtls1_get_cipher(unsigned int u); 983void dtls1_start_timer(SSL *s); 984void dtls1_stop_timer(SSL *s); 985int dtls1_is_timer_expired(SSL *s); 986void dtls1_double_timeout(SSL *s); 987int dtls1_send_newsession_ticket(SSL *s); 988unsigned int dtls1_min_mtu(void); 989 990/* some client-only functions */ 991int ssl3_client_hello(SSL *s); 992int ssl3_get_server_hello(SSL *s); 993int ssl3_get_certificate_request(SSL *s); 994int ssl3_get_new_session_ticket(SSL *s); 995int ssl3_get_cert_status(SSL *s); 996int ssl3_get_server_done(SSL *s); 997int ssl3_send_client_verify(SSL *s); 998int ssl3_send_client_certificate(SSL *s); 999int ssl_do_client_cert_cb(SSL *s, X509 **px509, EVP_PKEY **ppkey); 1000int ssl3_send_client_key_exchange(SSL *s); 1001int ssl3_get_key_exchange(SSL *s); 1002int ssl3_get_server_certificate(SSL *s); 1003int ssl3_check_cert_and_algorithm(SSL *s); 1004#ifndef OPENSSL_NO_TLSEXT 1005int ssl3_check_finished(SSL *s); 1006# ifndef OPENSSL_NO_NEXTPROTONEG 1007int ssl3_send_next_proto(SSL *s); 1008# endif 1009#endif 1010 1011int dtls1_client_hello(SSL *s); 1012int dtls1_send_client_certificate(SSL *s); 1013int dtls1_send_client_key_exchange(SSL *s); 1014int dtls1_send_client_verify(SSL *s); 1015 1016/* some server-only functions */ 1017int ssl3_get_client_hello(SSL *s); 1018int ssl3_send_server_hello(SSL *s); 1019int ssl3_send_hello_request(SSL *s); 1020int ssl3_send_server_key_exchange(SSL *s); 1021int ssl3_send_certificate_request(SSL *s); 1022int ssl3_send_server_done(SSL *s); 1023int ssl3_check_client_hello(SSL *s); 1024int ssl3_get_client_certificate(SSL *s); 1025int ssl3_get_client_key_exchange(SSL *s); 1026int ssl3_get_cert_verify(SSL *s); 1027#ifndef OPENSSL_NO_NEXTPROTONEG 1028int ssl3_get_next_proto(SSL *s); 1029#endif 1030 1031int dtls1_send_hello_request(SSL *s); 1032int dtls1_send_server_hello(SSL *s); 1033int dtls1_send_server_certificate(SSL *s); 1034int dtls1_send_server_key_exchange(SSL *s); 1035int dtls1_send_certificate_request(SSL *s); 1036int dtls1_send_server_done(SSL *s); 1037 1038 1039 1040int ssl23_accept(SSL *s); 1041int ssl23_connect(SSL *s); 1042int ssl23_read_bytes(SSL *s, int n); 1043int ssl23_write_bytes(SSL *s); 1044 1045int tls1_new(SSL *s); 1046void tls1_free(SSL *s); 1047void tls1_clear(SSL *s); 1048long tls1_ctrl(SSL *s,int cmd, long larg, void *parg); 1049long tls1_callback_ctrl(SSL *s,int cmd, void (*fp)(void)); 1050 1051int dtls1_new(SSL *s); 1052int dtls1_accept(SSL *s); 1053int dtls1_connect(SSL *s); 1054void dtls1_free(SSL *s); 1055void dtls1_clear(SSL *s); 1056long dtls1_ctrl(SSL *s,int cmd, long larg, void *parg); 1057int dtls1_shutdown(SSL *s); 1058 1059long dtls1_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok); 1060int dtls1_get_record(SSL *s); 1061int do_dtls1_write(SSL *s, int type, const unsigned char *buf, 1062 unsigned int len, int create_empty_fragement); 1063int dtls1_dispatch_alert(SSL *s); 1064int dtls1_enc(SSL *s, int snd); 1065 1066int ssl_init_wbio_buffer(SSL *s, int push); 1067void ssl_free_wbio_buffer(SSL *s); 1068 1069int tls1_change_cipher_state(SSL *s, int which); 1070int tls1_setup_key_block(SSL *s); 1071int tls1_enc(SSL *s, int snd); 1072int tls1_final_finish_mac(SSL *s, 1073 const char *str, int slen, unsigned char *p); 1074int tls1_cert_verify_mac(SSL *s, int md_nid, unsigned char *p); 1075int tls1_mac(SSL *ssl, unsigned char *md, int snd); 1076int tls1_generate_master_secret(SSL *s, unsigned char *out, 1077 unsigned char *p, int len); 1078int tls1_export_keying_material(SSL *s, unsigned char *out, size_t olen, 1079 const char *label, size_t llen, 1080 const unsigned char *p, size_t plen, int use_context); 1081int tls1_alert_code(int code); 1082int ssl3_alert_code(int code); 1083int ssl_ok(SSL *s); 1084 1085#ifndef OPENSSL_NO_ECDH 1086int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s); 1087#endif 1088 1089SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n); 1090 1091#ifndef OPENSSL_NO_EC 1092int tls1_ec_curve_id2nid(int curve_id); 1093int tls1_ec_nid2curve_id(int nid); 1094#endif /* OPENSSL_NO_EC */ 1095 1096#ifndef OPENSSL_NO_TLSEXT 1097unsigned char *ssl_add_clienthello_tlsext(SSL *s, unsigned char *p, unsigned char *limit); 1098unsigned char *ssl_add_serverhello_tlsext(SSL *s, unsigned char *p, unsigned char *limit); 1099int ssl_parse_clienthello_tlsext(SSL *s, unsigned char **data, unsigned char *d, int n, int *al); 1100int ssl_parse_serverhello_tlsext(SSL *s, unsigned char **data, unsigned char *d, int n, int *al); 1101int ssl_prepare_clienthello_tlsext(SSL *s); 1102int ssl_prepare_serverhello_tlsext(SSL *s); 1103int ssl_check_clienthello_tlsext_early(SSL *s); 1104int ssl_check_clienthello_tlsext_late(SSL *s); 1105int ssl_check_serverhello_tlsext(SSL *s); 1106 1107#ifndef OPENSSL_NO_HEARTBEATS 1108int tls1_heartbeat(SSL *s); 1109int dtls1_heartbeat(SSL *s); 1110int tls1_process_heartbeat(SSL *s); 1111int dtls1_process_heartbeat(SSL *s); 1112#endif 1113 1114#ifdef OPENSSL_NO_SHA256 1115#define tlsext_tick_md EVP_sha1 1116#else 1117#define tlsext_tick_md EVP_sha256 1118#endif 1119int tls1_process_ticket(SSL *s, unsigned char *session_id, int len, 1120 const unsigned char *limit, SSL_SESSION **ret); 1121 1122int tls12_get_sigandhash(unsigned char *p, const EVP_PKEY *pk, 1123 const EVP_MD *md); 1124int tls12_get_sigid(const EVP_PKEY *pk); 1125const EVP_MD *tls12_get_hash(unsigned char hash_alg); 1126 1127#endif 1128EVP_MD_CTX* ssl_replace_hash(EVP_MD_CTX **hash,const EVP_MD *md) ; 1129void ssl_clear_hash_ctx(EVP_MD_CTX **hash); 1130int ssl_add_serverhello_renegotiate_ext(SSL *s, unsigned char *p, int *len, 1131 int maxlen); 1132int ssl_parse_serverhello_renegotiate_ext(SSL *s, unsigned char *d, int len, 1133 int *al); 1134int ssl_add_clienthello_renegotiate_ext(SSL *s, unsigned char *p, int *len, 1135 int maxlen); 1136int ssl_parse_clienthello_renegotiate_ext(SSL *s, unsigned char *d, int len, 1137 int *al); 1138long ssl_get_algorithm2(SSL *s); 1139int tls1_process_sigalgs(SSL *s, const unsigned char *data, int dsize); 1140int tls12_get_req_sig_algs(SSL *s, unsigned char *p); 1141 1142int ssl_add_clienthello_use_srtp_ext(SSL *s, unsigned char *p, int *len, int maxlen); 1143int ssl_parse_clienthello_use_srtp_ext(SSL *s, unsigned char *d, int len,int *al); 1144int ssl_add_serverhello_use_srtp_ext(SSL *s, unsigned char *p, int *len, int maxlen); 1145int ssl_parse_serverhello_use_srtp_ext(SSL *s, unsigned char *d, int len,int *al); 1146 1147/* s3_cbc.c */ 1148void ssl3_cbc_copy_mac(unsigned char* out, 1149 const SSL3_RECORD *rec, 1150 unsigned md_size,unsigned orig_len); 1151int ssl3_cbc_remove_padding(const SSL* s, 1152 SSL3_RECORD *rec, 1153 unsigned block_size, 1154 unsigned mac_size); 1155int tls1_cbc_remove_padding(const SSL* s, 1156 SSL3_RECORD *rec, 1157 unsigned block_size, 1158 unsigned mac_size); 1159char ssl3_cbc_record_digest_supported(const EVP_MD_CTX *ctx); 1160void ssl3_cbc_digest_record( 1161 const EVP_MD_CTX *ctx, 1162 unsigned char* md_out, 1163 size_t* md_out_size, 1164 const unsigned char header[13], 1165 const unsigned char *data, 1166 size_t data_plus_mac_size, 1167 size_t data_plus_mac_plus_padding_size, 1168 const unsigned char *mac_secret, 1169 unsigned mac_secret_length, 1170 char is_sslv3); 1171 1172void tls_fips_digest_extra( 1173 const EVP_CIPHER_CTX *cipher_ctx, EVP_MD_CTX *mac_ctx, 1174 const unsigned char *data, size_t data_len, size_t orig_len); 1175 1176#endif 1177