ssl_locl.h revision 325335
1/* ssl/ssl_locl.h */ 2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay@cryptsoft.com). 7 * The implementation was written so as to conform with Netscapes SSL. 8 * 9 * This library is free for commercial and non-commercial use as long as 10 * the following conditions are aheared to. The following conditions 11 * apply to all code found in this distribution, be it the RC4, RSA, 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13 * included with this distribution is covered by the same copyright terms 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15 * 16 * Copyright remains Eric Young's, and as such any Copyright notices in 17 * the code are not to be removed. 18 * If this package is used in a product, Eric Young should be given attribution 19 * as the author of the parts of the library used. 20 * This can be in the form of a textual message at program startup or 21 * in documentation (online or textual) provided with the package. 22 * 23 * Redistribution and use in source and binary forms, with or without 24 * modification, are permitted provided that the following conditions 25 * are met: 26 * 1. Redistributions of source code must retain the copyright 27 * notice, this list of conditions and the following disclaimer. 28 * 2. Redistributions in binary form must reproduce the above copyright 29 * notice, this list of conditions and the following disclaimer in the 30 * documentation and/or other materials provided with the distribution. 31 * 3. All advertising materials mentioning features or use of this software 32 * must display the following acknowledgement: 33 * "This product includes cryptographic software written by 34 * Eric Young (eay@cryptsoft.com)" 35 * The word 'cryptographic' can be left out if the rouines from the library 36 * being used are not cryptographic related :-). 37 * 4. If you include any Windows specific code (or a derivative thereof) from 38 * the apps directory (application code) you must include an acknowledgement: 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40 * 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51 * SUCH DAMAGE. 52 * 53 * The licence and distribution terms for any publically available version or 54 * derivative of this code cannot be changed. i.e. this code cannot simply be 55 * copied and put under another distribution licence 56 * [including the GNU Public Licence.] 57 */ 58/* ==================================================================== 59 * Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved. 60 * 61 * Redistribution and use in source and binary forms, with or without 62 * modification, are permitted provided that the following conditions 63 * are met: 64 * 65 * 1. Redistributions of source code must retain the above copyright 66 * notice, this list of conditions and the following disclaimer. 67 * 68 * 2. Redistributions in binary form must reproduce the above copyright 69 * notice, this list of conditions and the following disclaimer in 70 * the documentation and/or other materials provided with the 71 * distribution. 72 * 73 * 3. All advertising materials mentioning features or use of this 74 * software must display the following acknowledgment: 75 * "This product includes software developed by the OpenSSL Project 76 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" 77 * 78 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 79 * endorse or promote products derived from this software without 80 * prior written permission. For written permission, please contact 81 * openssl-core@openssl.org. 82 * 83 * 5. Products derived from this software may not be called "OpenSSL" 84 * nor may "OpenSSL" appear in their names without prior written 85 * permission of the OpenSSL Project. 86 * 87 * 6. Redistributions of any form whatsoever must retain the following 88 * acknowledgment: 89 * "This product includes software developed by the OpenSSL Project 90 * for use in the OpenSSL Toolkit (http://www.openssl.org/)" 91 * 92 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 93 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 94 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 95 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 96 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 97 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 98 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 99 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 100 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 101 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 102 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 103 * OF THE POSSIBILITY OF SUCH DAMAGE. 104 * ==================================================================== 105 * 106 * This product includes cryptographic software written by Eric Young 107 * (eay@cryptsoft.com). This product includes software written by Tim 108 * Hudson (tjh@cryptsoft.com). 109 * 110 */ 111/* ==================================================================== 112 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. 113 * ECC cipher suite support in OpenSSL originally developed by 114 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project. 115 */ 116/* ==================================================================== 117 * Copyright 2005 Nokia. All rights reserved. 118 * 119 * The portions of the attached software ("Contribution") is developed by 120 * Nokia Corporation and is licensed pursuant to the OpenSSL open source 121 * license. 122 * 123 * The Contribution, originally written by Mika Kousa and Pasi Eronen of 124 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites 125 * support (see RFC 4279) to OpenSSL. 126 * 127 * No patent licenses or other rights except those expressly stated in 128 * the OpenSSL open source license shall be deemed granted or received 129 * expressly, by implication, estoppel, or otherwise. 130 * 131 * No assurances are provided by Nokia that the Contribution does not 132 * infringe the patent or other intellectual property rights of any third 133 * party or that the license provides you with all the necessary rights 134 * to make use of the Contribution. 135 * 136 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN 137 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA 138 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY 139 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR 140 * OTHERWISE. 141 */ 142 143#ifndef HEADER_SSL_LOCL_H 144# define HEADER_SSL_LOCL_H 145# include <stdlib.h> 146# include <time.h> 147# include <string.h> 148# include <errno.h> 149 150# include "e_os.h" 151 152# include <openssl/buffer.h> 153# ifndef OPENSSL_NO_COMP 154# include <openssl/comp.h> 155# endif 156# include <openssl/bio.h> 157# include <openssl/stack.h> 158# ifndef OPENSSL_NO_RSA 159# include <openssl/rsa.h> 160# endif 161# ifndef OPENSSL_NO_DSA 162# include <openssl/dsa.h> 163# endif 164# include <openssl/err.h> 165# include <openssl/ssl.h> 166# include <openssl/symhacks.h> 167 168# ifdef OPENSSL_BUILD_SHLIBSSL 169# undef OPENSSL_EXTERN 170# define OPENSSL_EXTERN OPENSSL_EXPORT 171# endif 172 173# undef PKCS1_CHECK 174 175# define c2l(c,l) (l = ((unsigned long)(*((c)++))) , \ 176 l|=(((unsigned long)(*((c)++)))<< 8), \ 177 l|=(((unsigned long)(*((c)++)))<<16), \ 178 l|=(((unsigned long)(*((c)++)))<<24)) 179 180/* NOTE - c is not incremented as per c2l */ 181# define c2ln(c,l1,l2,n) { \ 182 c+=n; \ 183 l1=l2=0; \ 184 switch (n) { \ 185 case 8: l2 =((unsigned long)(*(--(c))))<<24; \ 186 case 7: l2|=((unsigned long)(*(--(c))))<<16; \ 187 case 6: l2|=((unsigned long)(*(--(c))))<< 8; \ 188 case 5: l2|=((unsigned long)(*(--(c)))); \ 189 case 4: l1 =((unsigned long)(*(--(c))))<<24; \ 190 case 3: l1|=((unsigned long)(*(--(c))))<<16; \ 191 case 2: l1|=((unsigned long)(*(--(c))))<< 8; \ 192 case 1: l1|=((unsigned long)(*(--(c)))); \ 193 } \ 194 } 195 196# define l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \ 197 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ 198 *((c)++)=(unsigned char)(((l)>>16)&0xff), \ 199 *((c)++)=(unsigned char)(((l)>>24)&0xff)) 200 201# define n2l(c,l) (l =((unsigned long)(*((c)++)))<<24, \ 202 l|=((unsigned long)(*((c)++)))<<16, \ 203 l|=((unsigned long)(*((c)++)))<< 8, \ 204 l|=((unsigned long)(*((c)++)))) 205 206# define l2n(l,c) (*((c)++)=(unsigned char)(((l)>>24)&0xff), \ 207 *((c)++)=(unsigned char)(((l)>>16)&0xff), \ 208 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ 209 *((c)++)=(unsigned char)(((l) )&0xff)) 210 211# define l2n6(l,c) (*((c)++)=(unsigned char)(((l)>>40)&0xff), \ 212 *((c)++)=(unsigned char)(((l)>>32)&0xff), \ 213 *((c)++)=(unsigned char)(((l)>>24)&0xff), \ 214 *((c)++)=(unsigned char)(((l)>>16)&0xff), \ 215 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ 216 *((c)++)=(unsigned char)(((l) )&0xff)) 217 218# define l2n8(l,c) (*((c)++)=(unsigned char)(((l)>>56)&0xff), \ 219 *((c)++)=(unsigned char)(((l)>>48)&0xff), \ 220 *((c)++)=(unsigned char)(((l)>>40)&0xff), \ 221 *((c)++)=(unsigned char)(((l)>>32)&0xff), \ 222 *((c)++)=(unsigned char)(((l)>>24)&0xff), \ 223 *((c)++)=(unsigned char)(((l)>>16)&0xff), \ 224 *((c)++)=(unsigned char)(((l)>> 8)&0xff), \ 225 *((c)++)=(unsigned char)(((l) )&0xff)) 226 227# define n2l6(c,l) (l =((BN_ULLONG)(*((c)++)))<<40, \ 228 l|=((BN_ULLONG)(*((c)++)))<<32, \ 229 l|=((BN_ULLONG)(*((c)++)))<<24, \ 230 l|=((BN_ULLONG)(*((c)++)))<<16, \ 231 l|=((BN_ULLONG)(*((c)++)))<< 8, \ 232 l|=((BN_ULLONG)(*((c)++)))) 233 234/* NOTE - c is not incremented as per l2c */ 235# define l2cn(l1,l2,c,n) { \ 236 c+=n; \ 237 switch (n) { \ 238 case 8: *(--(c))=(unsigned char)(((l2)>>24)&0xff); \ 239 case 7: *(--(c))=(unsigned char)(((l2)>>16)&0xff); \ 240 case 6: *(--(c))=(unsigned char)(((l2)>> 8)&0xff); \ 241 case 5: *(--(c))=(unsigned char)(((l2) )&0xff); \ 242 case 4: *(--(c))=(unsigned char)(((l1)>>24)&0xff); \ 243 case 3: *(--(c))=(unsigned char)(((l1)>>16)&0xff); \ 244 case 2: *(--(c))=(unsigned char)(((l1)>> 8)&0xff); \ 245 case 1: *(--(c))=(unsigned char)(((l1) )&0xff); \ 246 } \ 247 } 248 249# define n2s(c,s) ((s=(((unsigned int)(c[0]))<< 8)| \ 250 (((unsigned int)(c[1])) )),c+=2) 251# define s2n(s,c) ((c[0]=(unsigned char)(((s)>> 8)&0xff), \ 252 c[1]=(unsigned char)(((s) )&0xff)),c+=2) 253 254# define n2l3(c,l) ((l =(((unsigned long)(c[0]))<<16)| \ 255 (((unsigned long)(c[1]))<< 8)| \ 256 (((unsigned long)(c[2])) )),c+=3) 257 258# define l2n3(l,c) ((c[0]=(unsigned char)(((l)>>16)&0xff), \ 259 c[1]=(unsigned char)(((l)>> 8)&0xff), \ 260 c[2]=(unsigned char)(((l) )&0xff)),c+=3) 261 262/* LOCAL STUFF */ 263 264# define SSL_DECRYPT 0 265# define SSL_ENCRYPT 1 266 267# define TWO_BYTE_BIT 0x80 268# define SEC_ESC_BIT 0x40 269# define TWO_BYTE_MASK 0x7fff 270# define THREE_BYTE_MASK 0x3fff 271 272# define INC32(a) ((a)=((a)+1)&0xffffffffL) 273# define DEC32(a) ((a)=((a)-1)&0xffffffffL) 274# define MAX_MAC_SIZE 20 /* up from 16 for SSLv3 */ 275 276/* 277 * Define the Bitmasks for SSL_CIPHER.algorithms. 278 * This bits are used packed as dense as possible. If new methods/ciphers 279 * etc will be added, the bits a likely to change, so this information 280 * is for internal library use only, even though SSL_CIPHER.algorithms 281 * can be publicly accessed. 282 * Use the according functions for cipher management instead. 283 * 284 * The bit mask handling in the selection and sorting scheme in 285 * ssl_create_cipher_list() has only limited capabilities, reflecting 286 * that the different entities within are mutually exclusive: 287 * ONLY ONE BIT PER MASK CAN BE SET AT A TIME. 288 */ 289 290/* Bits for algorithm_mkey (key exchange algorithm) */ 291/* RSA key exchange */ 292# define SSL_kRSA 0x00000001L 293/* DH cert, RSA CA cert */ 294# define SSL_kDHr 0x00000002L 295/* DH cert, DSA CA cert */ 296# define SSL_kDHd 0x00000004L 297/* tmp DH key no DH cert */ 298# define SSL_kEDH 0x00000008L 299/* forward-compatible synonym */ 300# define SSL_kDHE SSL_kEDH 301/* Kerberos5 key exchange */ 302# define SSL_kKRB5 0x00000010L 303/* ECDH cert, RSA CA cert */ 304# define SSL_kECDHr 0x00000020L 305/* ECDH cert, ECDSA CA cert */ 306# define SSL_kECDHe 0x00000040L 307/* ephemeral ECDH */ 308# define SSL_kEECDH 0x00000080L 309/* forward-compatible synonym */ 310# define SSL_kECDHE SSL_kEECDH 311/* PSK */ 312# define SSL_kPSK 0x00000100L 313/* GOST key exchange */ 314# define SSL_kGOST 0x00000200L 315/* SRP */ 316# define SSL_kSRP 0x00000400L 317 318/* Bits for algorithm_auth (server authentication) */ 319/* RSA auth */ 320# define SSL_aRSA 0x00000001L 321/* DSS auth */ 322# define SSL_aDSS 0x00000002L 323/* no auth (i.e. use ADH or AECDH) */ 324# define SSL_aNULL 0x00000004L 325/* Fixed DH auth (kDHd or kDHr) */ 326# define SSL_aDH 0x00000008L 327/* Fixed ECDH auth (kECDHe or kECDHr) */ 328# define SSL_aECDH 0x00000010L 329/* KRB5 auth */ 330# define SSL_aKRB5 0x00000020L 331/* ECDSA auth*/ 332# define SSL_aECDSA 0x00000040L 333/* PSK auth */ 334# define SSL_aPSK 0x00000080L 335/* GOST R 34.10-94 signature auth */ 336# define SSL_aGOST94 0x00000100L 337/* GOST R 34.10-2001 signature auth */ 338# define SSL_aGOST01 0x00000200L 339/* SRP auth */ 340# define SSL_aSRP 0x00000400L 341 342/* Bits for algorithm_enc (symmetric encryption) */ 343# define SSL_DES 0x00000001L 344# define SSL_3DES 0x00000002L 345# define SSL_RC4 0x00000004L 346# define SSL_RC2 0x00000008L 347# define SSL_IDEA 0x00000010L 348# define SSL_eNULL 0x00000020L 349# define SSL_AES128 0x00000040L 350# define SSL_AES256 0x00000080L 351# define SSL_CAMELLIA128 0x00000100L 352# define SSL_CAMELLIA256 0x00000200L 353# define SSL_eGOST2814789CNT 0x00000400L 354# define SSL_SEED 0x00000800L 355# define SSL_AES128GCM 0x00001000L 356# define SSL_AES256GCM 0x00002000L 357 358# define SSL_AES (SSL_AES128|SSL_AES256|SSL_AES128GCM|SSL_AES256GCM) 359# define SSL_CAMELLIA (SSL_CAMELLIA128|SSL_CAMELLIA256) 360 361/* Bits for algorithm_mac (symmetric authentication) */ 362 363# define SSL_MD5 0x00000001L 364# define SSL_SHA1 0x00000002L 365# define SSL_GOST94 0x00000004L 366# define SSL_GOST89MAC 0x00000008L 367# define SSL_SHA256 0x00000010L 368# define SSL_SHA384 0x00000020L 369/* Not a real MAC, just an indication it is part of cipher */ 370# define SSL_AEAD 0x00000040L 371 372/* Bits for algorithm_ssl (protocol version) */ 373# define SSL_SSLV2 0x00000001UL 374# define SSL_SSLV3 0x00000002UL 375# define SSL_TLSV1 SSL_SSLV3/* for now */ 376# define SSL_TLSV1_2 0x00000004UL 377 378/* Bits for algorithm2 (handshake digests and other extra flags) */ 379 380# define SSL_HANDSHAKE_MAC_MD5 0x10 381# define SSL_HANDSHAKE_MAC_SHA 0x20 382# define SSL_HANDSHAKE_MAC_GOST94 0x40 383# define SSL_HANDSHAKE_MAC_SHA256 0x80 384# define SSL_HANDSHAKE_MAC_SHA384 0x100 385# define SSL_HANDSHAKE_MAC_DEFAULT (SSL_HANDSHAKE_MAC_MD5 | SSL_HANDSHAKE_MAC_SHA) 386 387/* 388 * When adding new digest in the ssl_ciph.c and increment SSM_MD_NUM_IDX make 389 * sure to update this constant too 390 */ 391# define SSL_MAX_DIGEST 6 392 393# define TLS1_PRF_DGST_MASK (0xff << TLS1_PRF_DGST_SHIFT) 394 395# define TLS1_PRF_DGST_SHIFT 10 396# define TLS1_PRF_MD5 (SSL_HANDSHAKE_MAC_MD5 << TLS1_PRF_DGST_SHIFT) 397# define TLS1_PRF_SHA1 (SSL_HANDSHAKE_MAC_SHA << TLS1_PRF_DGST_SHIFT) 398# define TLS1_PRF_SHA256 (SSL_HANDSHAKE_MAC_SHA256 << TLS1_PRF_DGST_SHIFT) 399# define TLS1_PRF_SHA384 (SSL_HANDSHAKE_MAC_SHA384 << TLS1_PRF_DGST_SHIFT) 400# define TLS1_PRF_GOST94 (SSL_HANDSHAKE_MAC_GOST94 << TLS1_PRF_DGST_SHIFT) 401# define TLS1_PRF (TLS1_PRF_MD5 | TLS1_PRF_SHA1) 402 403/* 404 * Stream MAC for GOST ciphersuites from cryptopro draft (currently this also 405 * goes into algorithm2) 406 */ 407# define TLS1_STREAM_MAC 0x04 408 409/* 410 * Export and cipher strength information. For each cipher we have to decide 411 * whether it is exportable or not. This information is likely to change 412 * over time, since the export control rules are no static technical issue. 413 * 414 * Independent of the export flag the cipher strength is sorted into classes. 415 * SSL_EXP40 was denoting the 40bit US export limit of past times, which now 416 * is at 56bit (SSL_EXP56). If the exportable cipher class is going to change 417 * again (eg. to 64bit) the use of "SSL_EXP*" becomes blurred even more, 418 * since SSL_EXP64 could be similar to SSL_LOW. 419 * For this reason SSL_MICRO and SSL_MINI macros are included to widen the 420 * namespace of SSL_LOW-SSL_HIGH to lower values. As development of speed 421 * and ciphers goes, another extension to SSL_SUPER and/or SSL_ULTRA would 422 * be possible. 423 */ 424# define SSL_EXP_MASK 0x00000003L 425# define SSL_STRONG_MASK 0x000001fcL 426 427# define SSL_NOT_EXP 0x00000001L 428# define SSL_EXPORT 0x00000002L 429 430# define SSL_STRONG_NONE 0x00000004L 431# define SSL_EXP40 0x00000008L 432# define SSL_MICRO (SSL_EXP40) 433# define SSL_EXP56 0x00000010L 434# define SSL_MINI (SSL_EXP56) 435# define SSL_LOW 0x00000020L 436# define SSL_MEDIUM 0x00000040L 437# define SSL_HIGH 0x00000080L 438# define SSL_FIPS 0x00000100L 439# define SSL_NOT_DEFAULT 0x00000200L 440 441/* we have used 000003ff - 22 bits left to go */ 442 443/*- 444 * Macros to check the export status and cipher strength for export ciphers. 445 * Even though the macros for EXPORT and EXPORT40/56 have similar names, 446 * their meaning is different: 447 * *_EXPORT macros check the 'exportable' status. 448 * *_EXPORT40/56 macros are used to check whether a certain cipher strength 449 * is given. 450 * Since the SSL_IS_EXPORT* and SSL_EXPORT* macros depend on the correct 451 * algorithm structure element to be passed (algorithms, algo_strength) and no 452 * typechecking can be done as they are all of type unsigned long, their 453 * direct usage is discouraged. 454 * Use the SSL_C_* macros instead. 455 */ 456# define SSL_IS_EXPORT(a) ((a)&SSL_EXPORT) 457# define SSL_IS_EXPORT56(a) ((a)&SSL_EXP56) 458# define SSL_IS_EXPORT40(a) ((a)&SSL_EXP40) 459# define SSL_C_IS_EXPORT(c) SSL_IS_EXPORT((c)->algo_strength) 460# define SSL_C_IS_EXPORT56(c) SSL_IS_EXPORT56((c)->algo_strength) 461# define SSL_C_IS_EXPORT40(c) SSL_IS_EXPORT40((c)->algo_strength) 462 463# define SSL_EXPORT_KEYLENGTH(a,s) (SSL_IS_EXPORT40(s) ? 5 : \ 464 (a) == SSL_DES ? 8 : 7) 465# define SSL_EXPORT_PKEYLENGTH(a) (SSL_IS_EXPORT40(a) ? 512 : 1024) 466# define SSL_C_EXPORT_KEYLENGTH(c) SSL_EXPORT_KEYLENGTH((c)->algorithm_enc, \ 467 (c)->algo_strength) 468# define SSL_C_EXPORT_PKEYLENGTH(c) SSL_EXPORT_PKEYLENGTH((c)->algo_strength) 469 470/* Check if an SSL structure is using DTLS */ 471# define SSL_IS_DTLS(s) (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS) 472/* See if we need explicit IV */ 473# define SSL_USE_EXPLICIT_IV(s) \ 474 (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_EXPLICIT_IV) 475/* 476 * See if we use signature algorithms extension and signature algorithm 477 * before signatures. 478 */ 479# define SSL_USE_SIGALGS(s) \ 480 (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_SIGALGS) 481/* 482 * Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2: may 483 * apply to others in future. 484 */ 485# define SSL_USE_TLS1_2_CIPHERS(s) \ 486 (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_TLS1_2_CIPHERS) 487/* 488 * Determine if a client can use TLS 1.2 ciphersuites: can't rely on method 489 * flags because it may not be set to correct version yet. 490 */ 491# define SSL_CLIENT_USE_TLS1_2_CIPHERS(s) \ 492 ((SSL_IS_DTLS(s) && s->client_version <= DTLS1_2_VERSION) || \ 493 (!SSL_IS_DTLS(s) && s->client_version >= TLS1_2_VERSION)) 494/* 495 * Determine if a client should send signature algorithms extension: 496 * as with TLS1.2 cipher we can't rely on method flags. 497 */ 498# define SSL_CLIENT_USE_SIGALGS(s) \ 499 SSL_CLIENT_USE_TLS1_2_CIPHERS(s) 500 501/* Mostly for SSLv3 */ 502# define SSL_PKEY_RSA_ENC 0 503# define SSL_PKEY_RSA_SIGN 1 504# define SSL_PKEY_DSA_SIGN 2 505# define SSL_PKEY_DH_RSA 3 506# define SSL_PKEY_DH_DSA 4 507# define SSL_PKEY_ECC 5 508# define SSL_PKEY_GOST94 6 509# define SSL_PKEY_GOST01 7 510# define SSL_PKEY_NUM 8 511 512/*- 513 * SSL_kRSA <- RSA_ENC | (RSA_TMP & RSA_SIGN) | 514 * <- (EXPORT & (RSA_ENC | RSA_TMP) & RSA_SIGN) 515 * SSL_kDH <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN) 516 * SSL_kEDH <- RSA_ENC | RSA_SIGN | DSA_SIGN 517 * SSL_aRSA <- RSA_ENC | RSA_SIGN 518 * SSL_aDSS <- DSA_SIGN 519 */ 520 521/*- 522#define CERT_INVALID 0 523#define CERT_PUBLIC_KEY 1 524#define CERT_PRIVATE_KEY 2 525*/ 526 527# ifndef OPENSSL_NO_EC 528/* 529 * From ECC-TLS draft, used in encoding the curve type in ECParameters 530 */ 531# define EXPLICIT_PRIME_CURVE_TYPE 1 532# define EXPLICIT_CHAR2_CURVE_TYPE 2 533# define NAMED_CURVE_TYPE 3 534# endif /* OPENSSL_NO_EC */ 535 536typedef struct cert_pkey_st { 537 X509 *x509; 538 EVP_PKEY *privatekey; 539 /* Digest to use when signing */ 540 const EVP_MD *digest; 541 /* Chain for this certificate */ 542 STACK_OF(X509) *chain; 543# ifndef OPENSSL_NO_TLSEXT 544 /*- 545 * serverinfo data for this certificate. The data is in TLS Extension 546 * wire format, specifically it's a series of records like: 547 * uint16_t extension_type; // (RFC 5246, 7.4.1.4, Extension) 548 * uint16_t length; 549 * uint8_t data[length]; 550 */ 551 unsigned char *serverinfo; 552 size_t serverinfo_length; 553# endif 554 /* 555 * Set if CERT_PKEY can be used with current SSL session: e.g. 556 * appropriate curve, signature algorithms etc. If zero it can't be used 557 * at all. 558 */ 559 int valid_flags; 560} CERT_PKEY; 561/* Retrieve Suite B flags */ 562# define tls1_suiteb(s) (s->cert->cert_flags & SSL_CERT_FLAG_SUITEB_128_LOS) 563/* Uses to check strict mode: suite B modes are always strict */ 564# define SSL_CERT_FLAGS_CHECK_TLS_STRICT \ 565 (SSL_CERT_FLAG_SUITEB_128_LOS|SSL_CERT_FLAG_TLS_STRICT) 566 567typedef struct { 568 unsigned short ext_type; 569 /* 570 * Per-connection flags relating to this extension type: not used if 571 * part of an SSL_CTX structure. 572 */ 573 unsigned short ext_flags; 574 custom_ext_add_cb add_cb; 575 custom_ext_free_cb free_cb; 576 void *add_arg; 577 custom_ext_parse_cb parse_cb; 578 void *parse_arg; 579} custom_ext_method; 580 581/* ext_flags values */ 582 583/* 584 * Indicates an extension has been received. Used to check for unsolicited or 585 * duplicate extensions. 586 */ 587# define SSL_EXT_FLAG_RECEIVED 0x1 588/* 589 * Indicates an extension has been sent: used to enable sending of 590 * corresponding ServerHello extension. 591 */ 592# define SSL_EXT_FLAG_SENT 0x2 593 594# define MAX_WARN_ALERT_COUNT 5 595 596typedef struct { 597 custom_ext_method *meths; 598 size_t meths_count; 599} custom_ext_methods; 600 601typedef struct cert_st { 602 /* Current active set */ 603 /* 604 * ALWAYS points to an element of the pkeys array 605 * Probably it would make more sense to store 606 * an index, not a pointer. 607 */ 608 CERT_PKEY *key; 609 /* 610 * For servers the following masks are for the key and auth algorithms 611 * that are supported by the certs below. For clients they are masks of 612 * *disabled* algorithms based on the current session. 613 */ 614 int valid; 615 unsigned long mask_k; 616 unsigned long mask_a; 617 unsigned long export_mask_k; 618 unsigned long export_mask_a; 619 /* Client only */ 620 unsigned long mask_ssl; 621# ifndef OPENSSL_NO_RSA 622 RSA *rsa_tmp; 623 RSA *(*rsa_tmp_cb) (SSL *ssl, int is_export, int keysize); 624# endif 625# ifndef OPENSSL_NO_DH 626 DH *dh_tmp; 627 DH *(*dh_tmp_cb) (SSL *ssl, int is_export, int keysize); 628# endif 629# ifndef OPENSSL_NO_ECDH 630 EC_KEY *ecdh_tmp; 631 /* Callback for generating ephemeral ECDH keys */ 632 EC_KEY *(*ecdh_tmp_cb) (SSL *ssl, int is_export, int keysize); 633 /* Select ECDH parameters automatically */ 634 int ecdh_tmp_auto; 635# endif 636 /* Flags related to certificates */ 637 unsigned int cert_flags; 638 CERT_PKEY pkeys[SSL_PKEY_NUM]; 639 /* 640 * Certificate types (received or sent) in certificate request message. 641 * On receive this is only set if number of certificate types exceeds 642 * SSL3_CT_NUMBER. 643 */ 644 unsigned char *ctypes; 645 size_t ctype_num; 646 /* 647 * signature algorithms peer reports: e.g. supported signature algorithms 648 * extension for server or as part of a certificate request for client. 649 */ 650 unsigned char *peer_sigalgs; 651 /* Size of above array */ 652 size_t peer_sigalgslen; 653 /* 654 * suppported signature algorithms. When set on a client this is sent in 655 * the client hello as the supported signature algorithms extension. For 656 * servers it represents the signature algorithms we are willing to use. 657 */ 658 unsigned char *conf_sigalgs; 659 /* Size of above array */ 660 size_t conf_sigalgslen; 661 /* 662 * Client authentication signature algorithms, if not set then uses 663 * conf_sigalgs. On servers these will be the signature algorithms sent 664 * to the client in a cerificate request for TLS 1.2. On a client this 665 * represents the signature algortithms we are willing to use for client 666 * authentication. 667 */ 668 unsigned char *client_sigalgs; 669 /* Size of above array */ 670 size_t client_sigalgslen; 671 /* 672 * Signature algorithms shared by client and server: cached because these 673 * are used most often. 674 */ 675 TLS_SIGALGS *shared_sigalgs; 676 size_t shared_sigalgslen; 677 /* 678 * Certificate setup callback: if set is called whenever a certificate 679 * may be required (client or server). the callback can then examine any 680 * appropriate parameters and setup any certificates required. This 681 * allows advanced applications to select certificates on the fly: for 682 * example based on supported signature algorithms or curves. 683 */ 684 int (*cert_cb) (SSL *ssl, void *arg); 685 void *cert_cb_arg; 686 /* 687 * Optional X509_STORE for chain building or certificate validation If 688 * NULL the parent SSL_CTX store is used instead. 689 */ 690 X509_STORE *chain_store; 691 X509_STORE *verify_store; 692 /* Raw values of the cipher list from a client */ 693 unsigned char *ciphers_raw; 694 size_t ciphers_rawlen; 695 /* Custom extension methods for server and client */ 696 custom_ext_methods cli_ext; 697 custom_ext_methods srv_ext; 698 int references; /* >1 only if SSL_copy_session_id is used */ 699 /* non-optimal, but here due to compatibility */ 700 unsigned char *alpn_proposed; /* server */ 701 unsigned int alpn_proposed_len; 702 int alpn_sent; /* client */ 703 /* Count of the number of consecutive warning alerts received */ 704 unsigned int alert_count; 705} CERT; 706 707typedef struct sess_cert_st { 708 STACK_OF(X509) *cert_chain; /* as received from peer (not for SSL2) */ 709 /* The 'peer_...' members are used only by clients. */ 710 int peer_cert_type; 711 CERT_PKEY *peer_key; /* points to an element of peer_pkeys (never 712 * NULL!) */ 713 CERT_PKEY peer_pkeys[SSL_PKEY_NUM]; 714 /* 715 * Obviously we don't have the private keys of these, so maybe we 716 * shouldn't even use the CERT_PKEY type here. 717 */ 718# ifndef OPENSSL_NO_RSA 719 RSA *peer_rsa_tmp; /* not used for SSL 2 */ 720# endif 721# ifndef OPENSSL_NO_DH 722 DH *peer_dh_tmp; /* not used for SSL 2 */ 723# endif 724# ifndef OPENSSL_NO_ECDH 725 EC_KEY *peer_ecdh_tmp; 726# endif 727 int references; /* actually always 1 at the moment */ 728} SESS_CERT; 729/* Structure containing decoded values of signature algorithms extension */ 730struct tls_sigalgs_st { 731 /* NID of hash algorithm */ 732 int hash_nid; 733 /* NID of signature algorithm */ 734 int sign_nid; 735 /* Combined hash and signature NID */ 736 int signandhash_nid; 737 /* Raw values used in extension */ 738 unsigned char rsign; 739 unsigned char rhash; 740}; 741 742/* 743 * #define MAC_DEBUG 744 */ 745 746/* 747 * #define ERR_DEBUG 748 */ 749/* 750 * #define ABORT_DEBUG 751 */ 752/* 753 * #define PKT_DEBUG 1 754 */ 755/* 756 * #define DES_DEBUG 757 */ 758/* 759 * #define DES_OFB_DEBUG 760 */ 761/* 762 * #define SSL_DEBUG 763 */ 764/* 765 * #define RSA_DEBUG 766 */ 767/* 768 * #define IDEA_DEBUG 769 */ 770 771# define FP_ICC (int (*)(const void *,const void *)) 772# define ssl_put_cipher_by_char(ssl,ciph,ptr) \ 773 ((ssl)->method->put_cipher_by_char((ciph),(ptr))) 774 775/* 776 * This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff It is a bit 777 * of a mess of functions, but hell, think of it as an opaque structure :-) 778 */ 779typedef struct ssl3_enc_method { 780 int (*enc) (SSL *, int); 781 int (*mac) (SSL *, unsigned char *, int); 782 int (*setup_key_block) (SSL *); 783 int (*generate_master_secret) (SSL *, unsigned char *, unsigned char *, 784 int); 785 int (*change_cipher_state) (SSL *, int); 786 int (*final_finish_mac) (SSL *, const char *, int, unsigned char *); 787 int finish_mac_length; 788 int (*cert_verify_mac) (SSL *, int, unsigned char *); 789 const char *client_finished_label; 790 int client_finished_label_len; 791 const char *server_finished_label; 792 int server_finished_label_len; 793 int (*alert_value) (int); 794 int (*export_keying_material) (SSL *, unsigned char *, size_t, 795 const char *, size_t, 796 const unsigned char *, size_t, 797 int use_context); 798 /* Various flags indicating protocol version requirements */ 799 unsigned int enc_flags; 800 /* Handshake header length */ 801 unsigned int hhlen; 802 /* Set the handshake header */ 803 void (*set_handshake_header) (SSL *s, int type, unsigned long len); 804 /* Write out handshake message */ 805 int (*do_write) (SSL *s); 806} SSL3_ENC_METHOD; 807 808# define SSL_HM_HEADER_LENGTH(s) s->method->ssl3_enc->hhlen 809# define ssl_handshake_start(s) \ 810 (((unsigned char *)s->init_buf->data) + s->method->ssl3_enc->hhlen) 811# define ssl_set_handshake_header(s, htype, len) \ 812 s->method->ssl3_enc->set_handshake_header(s, htype, len) 813# define ssl_do_write(s) s->method->ssl3_enc->do_write(s) 814 815/* Values for enc_flags */ 816 817/* Uses explicit IV for CBC mode */ 818# define SSL_ENC_FLAG_EXPLICIT_IV 0x1 819/* Uses signature algorithms extension */ 820# define SSL_ENC_FLAG_SIGALGS 0x2 821/* Uses SHA256 default PRF */ 822# define SSL_ENC_FLAG_SHA256_PRF 0x4 823/* Is DTLS */ 824# define SSL_ENC_FLAG_DTLS 0x8 825/* 826 * Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2: may 827 * apply to others in future. 828 */ 829# define SSL_ENC_FLAG_TLS1_2_CIPHERS 0x10 830 831# ifndef OPENSSL_NO_COMP 832/* Used for holding the relevant compression methods loaded into SSL_CTX */ 833typedef struct ssl3_comp_st { 834 int comp_id; /* The identifier byte for this compression 835 * type */ 836 char *name; /* Text name used for the compression type */ 837 COMP_METHOD *method; /* The method :-) */ 838} SSL3_COMP; 839# endif 840 841# ifndef OPENSSL_NO_BUF_FREELISTS 842typedef struct ssl3_buf_freelist_st { 843 size_t chunklen; 844 unsigned int len; 845 struct ssl3_buf_freelist_entry_st *head; 846} SSL3_BUF_FREELIST; 847 848typedef struct ssl3_buf_freelist_entry_st { 849 struct ssl3_buf_freelist_entry_st *next; 850} SSL3_BUF_FREELIST_ENTRY; 851# endif 852 853extern SSL3_ENC_METHOD ssl3_undef_enc_method; 854OPENSSL_EXTERN const SSL_CIPHER ssl2_ciphers[]; 855OPENSSL_EXTERN SSL_CIPHER ssl3_ciphers[]; 856 857SSL_METHOD *ssl_bad_method(int ver); 858 859extern SSL3_ENC_METHOD TLSv1_enc_data; 860extern SSL3_ENC_METHOD TLSv1_1_enc_data; 861extern SSL3_ENC_METHOD TLSv1_2_enc_data; 862extern SSL3_ENC_METHOD SSLv3_enc_data; 863extern SSL3_ENC_METHOD DTLSv1_enc_data; 864extern SSL3_ENC_METHOD DTLSv1_2_enc_data; 865 866# define IMPLEMENT_tls_meth_func(version, func_name, s_accept, s_connect, \ 867 s_get_meth, enc_data) \ 868const SSL_METHOD *func_name(void) \ 869 { \ 870 static const SSL_METHOD func_name##_data= { \ 871 version, \ 872 tls1_new, \ 873 tls1_clear, \ 874 tls1_free, \ 875 s_accept, \ 876 s_connect, \ 877 ssl3_read, \ 878 ssl3_peek, \ 879 ssl3_write, \ 880 ssl3_shutdown, \ 881 ssl3_renegotiate, \ 882 ssl3_renegotiate_check, \ 883 ssl3_get_message, \ 884 ssl3_read_bytes, \ 885 ssl3_write_bytes, \ 886 ssl3_dispatch_alert, \ 887 ssl3_ctrl, \ 888 ssl3_ctx_ctrl, \ 889 ssl3_get_cipher_by_char, \ 890 ssl3_put_cipher_by_char, \ 891 ssl3_pending, \ 892 ssl3_num_ciphers, \ 893 ssl3_get_cipher, \ 894 s_get_meth, \ 895 tls1_default_timeout, \ 896 &enc_data, \ 897 ssl_undefined_void_function, \ 898 ssl3_callback_ctrl, \ 899 ssl3_ctx_callback_ctrl, \ 900 }; \ 901 return &func_name##_data; \ 902 } 903 904# define IMPLEMENT_ssl3_meth_func(func_name, s_accept, s_connect, s_get_meth) \ 905const SSL_METHOD *func_name(void) \ 906 { \ 907 static const SSL_METHOD func_name##_data= { \ 908 SSL3_VERSION, \ 909 ssl3_new, \ 910 ssl3_clear, \ 911 ssl3_free, \ 912 s_accept, \ 913 s_connect, \ 914 ssl3_read, \ 915 ssl3_peek, \ 916 ssl3_write, \ 917 ssl3_shutdown, \ 918 ssl3_renegotiate, \ 919 ssl3_renegotiate_check, \ 920 ssl3_get_message, \ 921 ssl3_read_bytes, \ 922 ssl3_write_bytes, \ 923 ssl3_dispatch_alert, \ 924 ssl3_ctrl, \ 925 ssl3_ctx_ctrl, \ 926 ssl3_get_cipher_by_char, \ 927 ssl3_put_cipher_by_char, \ 928 ssl3_pending, \ 929 ssl3_num_ciphers, \ 930 ssl3_get_cipher, \ 931 s_get_meth, \ 932 ssl3_default_timeout, \ 933 &SSLv3_enc_data, \ 934 ssl_undefined_void_function, \ 935 ssl3_callback_ctrl, \ 936 ssl3_ctx_callback_ctrl, \ 937 }; \ 938 return &func_name##_data; \ 939 } 940 941# define IMPLEMENT_ssl23_meth_func(func_name, s_accept, s_connect, s_get_meth) \ 942const SSL_METHOD *func_name(void) \ 943 { \ 944 static const SSL_METHOD func_name##_data= { \ 945 TLS1_2_VERSION, \ 946 tls1_new, \ 947 tls1_clear, \ 948 tls1_free, \ 949 s_accept, \ 950 s_connect, \ 951 ssl23_read, \ 952 ssl23_peek, \ 953 ssl23_write, \ 954 ssl_undefined_function, \ 955 ssl_undefined_function, \ 956 ssl_ok, \ 957 ssl3_get_message, \ 958 ssl3_read_bytes, \ 959 ssl3_write_bytes, \ 960 ssl3_dispatch_alert, \ 961 ssl3_ctrl, \ 962 ssl3_ctx_ctrl, \ 963 ssl23_get_cipher_by_char, \ 964 ssl23_put_cipher_by_char, \ 965 ssl_undefined_const_function, \ 966 ssl23_num_ciphers, \ 967 ssl23_get_cipher, \ 968 s_get_meth, \ 969 ssl23_default_timeout, \ 970 &TLSv1_2_enc_data, \ 971 ssl_undefined_void_function, \ 972 ssl3_callback_ctrl, \ 973 ssl3_ctx_callback_ctrl, \ 974 }; \ 975 return &func_name##_data; \ 976 } 977 978# define IMPLEMENT_ssl2_meth_func(func_name, s_accept, s_connect, s_get_meth) \ 979const SSL_METHOD *func_name(void) \ 980 { \ 981 static const SSL_METHOD func_name##_data= { \ 982 SSL2_VERSION, \ 983 ssl2_new, /* local */ \ 984 ssl2_clear, /* local */ \ 985 ssl2_free, /* local */ \ 986 s_accept, \ 987 s_connect, \ 988 ssl2_read, \ 989 ssl2_peek, \ 990 ssl2_write, \ 991 ssl2_shutdown, \ 992 ssl_ok, /* NULL - renegotiate */ \ 993 ssl_ok, /* NULL - check renegotiate */ \ 994 NULL, /* NULL - ssl_get_message */ \ 995 NULL, /* NULL - ssl_get_record */ \ 996 NULL, /* NULL - ssl_write_bytes */ \ 997 NULL, /* NULL - dispatch_alert */ \ 998 ssl2_ctrl, /* local */ \ 999 ssl2_ctx_ctrl, /* local */ \ 1000 ssl2_get_cipher_by_char, \ 1001 ssl2_put_cipher_by_char, \ 1002 ssl2_pending, \ 1003 ssl2_num_ciphers, \ 1004 ssl2_get_cipher, \ 1005 s_get_meth, \ 1006 ssl2_default_timeout, \ 1007 &ssl3_undef_enc_method, \ 1008 ssl_undefined_void_function, \ 1009 ssl2_callback_ctrl, /* local */ \ 1010 ssl2_ctx_callback_ctrl, /* local */ \ 1011 }; \ 1012 return &func_name##_data; \ 1013 } 1014 1015# define IMPLEMENT_dtls1_meth_func(version, func_name, s_accept, s_connect, \ 1016 s_get_meth, enc_data) \ 1017const SSL_METHOD *func_name(void) \ 1018 { \ 1019 static const SSL_METHOD func_name##_data= { \ 1020 version, \ 1021 dtls1_new, \ 1022 dtls1_clear, \ 1023 dtls1_free, \ 1024 s_accept, \ 1025 s_connect, \ 1026 ssl3_read, \ 1027 ssl3_peek, \ 1028 ssl3_write, \ 1029 dtls1_shutdown, \ 1030 ssl3_renegotiate, \ 1031 ssl3_renegotiate_check, \ 1032 dtls1_get_message, \ 1033 dtls1_read_bytes, \ 1034 dtls1_write_app_data_bytes, \ 1035 dtls1_dispatch_alert, \ 1036 dtls1_ctrl, \ 1037 ssl3_ctx_ctrl, \ 1038 ssl3_get_cipher_by_char, \ 1039 ssl3_put_cipher_by_char, \ 1040 ssl3_pending, \ 1041 ssl3_num_ciphers, \ 1042 dtls1_get_cipher, \ 1043 s_get_meth, \ 1044 dtls1_default_timeout, \ 1045 &enc_data, \ 1046 ssl_undefined_void_function, \ 1047 ssl3_callback_ctrl, \ 1048 ssl3_ctx_callback_ctrl, \ 1049 }; \ 1050 return &func_name##_data; \ 1051 } 1052 1053struct openssl_ssl_test_functions { 1054 int (*p_ssl_init_wbio_buffer) (SSL *s, int push); 1055 int (*p_ssl3_setup_buffers) (SSL *s); 1056 int (*p_tls1_process_heartbeat) (SSL *s); 1057 int (*p_dtls1_process_heartbeat) (SSL *s); 1058}; 1059 1060# ifndef OPENSSL_UNIT_TEST 1061 1062void ssl_clear_cipher_ctx(SSL *s); 1063int ssl_clear_bad_session(SSL *s); 1064CERT *ssl_cert_new(void); 1065CERT *ssl_cert_dup(CERT *cert); 1066void ssl_cert_set_default_md(CERT *cert); 1067int ssl_cert_inst(CERT **o); 1068void ssl_cert_clear_certs(CERT *c); 1069void ssl_cert_free(CERT *c); 1070SESS_CERT *ssl_sess_cert_new(void); 1071void ssl_sess_cert_free(SESS_CERT *sc); 1072int ssl_set_peer_cert_type(SESS_CERT *c, int type); 1073int ssl_get_new_session(SSL *s, int session); 1074int ssl_get_prev_session(SSL *s, unsigned char *session, int len, 1075 const unsigned char *limit); 1076SSL_SESSION *ssl_session_dup(SSL_SESSION *src, int ticket); 1077int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b); 1078DECLARE_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, ssl_cipher_id); 1079int ssl_cipher_ptr_id_cmp(const SSL_CIPHER *const *ap, 1080 const SSL_CIPHER *const *bp); 1081STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s, unsigned char *p, 1082 int num, 1083 STACK_OF(SSL_CIPHER) **skp); 1084int ssl_cipher_list_to_bytes(SSL *s, STACK_OF(SSL_CIPHER) *sk, 1085 unsigned char *p, 1086 int (*put_cb) (const SSL_CIPHER *, 1087 unsigned char *)); 1088STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *meth, 1089 STACK_OF(SSL_CIPHER) **pref, 1090 STACK_OF(SSL_CIPHER) **sorted, 1091 const char *rule_str, CERT *c); 1092void ssl_update_cache(SSL *s, int mode); 1093int ssl_cipher_get_evp(const SSL_SESSION *s, const EVP_CIPHER **enc, 1094 const EVP_MD **md, int *mac_pkey_type, 1095 int *mac_secret_size, SSL_COMP **comp); 1096int ssl_get_handshake_digest(int i, long *mask, const EVP_MD **md); 1097int ssl_cipher_get_cert_index(const SSL_CIPHER *c); 1098const SSL_CIPHER *ssl_get_cipher_by_char(SSL *ssl, const unsigned char *ptr); 1099int ssl_cert_set0_chain(CERT *c, STACK_OF(X509) *chain); 1100int ssl_cert_set1_chain(CERT *c, STACK_OF(X509) *chain); 1101int ssl_cert_add0_chain_cert(CERT *c, X509 *x); 1102int ssl_cert_add1_chain_cert(CERT *c, X509 *x); 1103int ssl_cert_select_current(CERT *c, X509 *x); 1104int ssl_cert_set_current(CERT *c, long arg); 1105X509 *ssl_cert_get0_next_certificate(CERT *c, int first); 1106void ssl_cert_set_cert_cb(CERT *c, int (*cb) (SSL *ssl, void *arg), 1107 void *arg); 1108 1109int ssl_verify_cert_chain(SSL *s, STACK_OF(X509) *sk); 1110int ssl_add_cert_chain(SSL *s, CERT_PKEY *cpk, unsigned long *l); 1111int ssl_build_cert_chain(CERT *c, X509_STORE *chain_store, int flags); 1112int ssl_cert_set_cert_store(CERT *c, X509_STORE *store, int chain, int ref); 1113int ssl_undefined_function(SSL *s); 1114int ssl_undefined_void_function(void); 1115int ssl_undefined_const_function(const SSL *s); 1116CERT_PKEY *ssl_get_server_send_pkey(const SSL *s); 1117# ifndef OPENSSL_NO_TLSEXT 1118int ssl_get_server_cert_serverinfo(SSL *s, const unsigned char **serverinfo, 1119 size_t *serverinfo_length); 1120# endif 1121EVP_PKEY *ssl_get_sign_pkey(SSL *s, const SSL_CIPHER *c, const EVP_MD **pmd); 1122int ssl_cert_type(X509 *x, EVP_PKEY *pkey); 1123void ssl_set_cert_masks(CERT *c, const SSL_CIPHER *cipher); 1124STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s); 1125int ssl_verify_alarm_type(long type); 1126void ssl_load_ciphers(void); 1127int ssl_fill_hello_random(SSL *s, int server, unsigned char *field, int len); 1128 1129int ssl2_enc_init(SSL *s, int client); 1130int ssl2_generate_key_material(SSL *s); 1131int ssl2_enc(SSL *s, int send_data); 1132void ssl2_mac(SSL *s, unsigned char *mac, int send_data); 1133const SSL_CIPHER *ssl2_get_cipher_by_char(const unsigned char *p); 1134int ssl2_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p); 1135int ssl2_part_read(SSL *s, unsigned long f, int i); 1136int ssl2_do_write(SSL *s); 1137int ssl2_set_certificate(SSL *s, int type, int len, 1138 const unsigned char *data); 1139void ssl2_return_error(SSL *s, int reason); 1140void ssl2_write_error(SSL *s); 1141int ssl2_num_ciphers(void); 1142const SSL_CIPHER *ssl2_get_cipher(unsigned int u); 1143int ssl2_new(SSL *s); 1144void ssl2_free(SSL *s); 1145int ssl2_accept(SSL *s); 1146int ssl2_connect(SSL *s); 1147int ssl2_read(SSL *s, void *buf, int len); 1148int ssl2_peek(SSL *s, void *buf, int len); 1149int ssl2_write(SSL *s, const void *buf, int len); 1150int ssl2_shutdown(SSL *s); 1151void ssl2_clear(SSL *s); 1152long ssl2_ctrl(SSL *s, int cmd, long larg, void *parg); 1153long ssl2_ctx_ctrl(SSL_CTX *s, int cmd, long larg, void *parg); 1154long ssl2_callback_ctrl(SSL *s, int cmd, void (*fp) (void)); 1155long ssl2_ctx_callback_ctrl(SSL_CTX *s, int cmd, void (*fp) (void)); 1156int ssl2_pending(const SSL *s); 1157long ssl2_default_timeout(void); 1158 1159const SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p); 1160int ssl3_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p); 1161int ssl3_init_finished_mac(SSL *s); 1162int ssl3_send_server_certificate(SSL *s); 1163int ssl3_send_newsession_ticket(SSL *s); 1164int ssl3_send_cert_status(SSL *s); 1165int ssl3_get_finished(SSL *s, int state_a, int state_b); 1166int ssl3_setup_key_block(SSL *s); 1167int ssl3_send_change_cipher_spec(SSL *s, int state_a, int state_b); 1168int ssl3_change_cipher_state(SSL *s, int which); 1169void ssl3_cleanup_key_block(SSL *s); 1170int ssl3_do_write(SSL *s, int type); 1171int ssl3_send_alert(SSL *s, int level, int desc); 1172int ssl3_generate_master_secret(SSL *s, unsigned char *out, 1173 unsigned char *p, int len); 1174int ssl3_get_req_cert_type(SSL *s, unsigned char *p); 1175long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok); 1176int ssl3_send_finished(SSL *s, int a, int b, const char *sender, int slen); 1177int ssl3_num_ciphers(void); 1178const SSL_CIPHER *ssl3_get_cipher(unsigned int u); 1179int ssl3_renegotiate(SSL *ssl); 1180int ssl3_renegotiate_check(SSL *ssl); 1181int ssl3_dispatch_alert(SSL *s); 1182int ssl3_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek); 1183int ssl3_write_bytes(SSL *s, int type, const void *buf, int len); 1184int ssl3_final_finish_mac(SSL *s, const char *sender, int slen, 1185 unsigned char *p); 1186int ssl3_cert_verify_mac(SSL *s, int md_nid, unsigned char *p); 1187void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len); 1188int ssl3_enc(SSL *s, int send_data); 1189int n_ssl3_mac(SSL *ssl, unsigned char *md, int send_data); 1190void ssl3_free_digest_list(SSL *s); 1191unsigned long ssl3_output_cert_chain(SSL *s, CERT_PKEY *cpk); 1192SSL_CIPHER *ssl3_choose_cipher(SSL *ssl, STACK_OF(SSL_CIPHER) *clnt, 1193 STACK_OF(SSL_CIPHER) *srvr); 1194int ssl3_setup_buffers(SSL *s); 1195int ssl3_setup_read_buffer(SSL *s); 1196int ssl3_setup_write_buffer(SSL *s); 1197int ssl3_release_read_buffer(SSL *s); 1198int ssl3_release_write_buffer(SSL *s); 1199int ssl3_digest_cached_records(SSL *s); 1200int ssl3_new(SSL *s); 1201void ssl3_free(SSL *s); 1202int ssl3_accept(SSL *s); 1203int ssl3_connect(SSL *s); 1204int ssl3_read(SSL *s, void *buf, int len); 1205int ssl3_peek(SSL *s, void *buf, int len); 1206int ssl3_write(SSL *s, const void *buf, int len); 1207int ssl3_shutdown(SSL *s); 1208void ssl3_clear(SSL *s); 1209long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg); 1210long ssl3_ctx_ctrl(SSL_CTX *s, int cmd, long larg, void *parg); 1211long ssl3_callback_ctrl(SSL *s, int cmd, void (*fp) (void)); 1212long ssl3_ctx_callback_ctrl(SSL_CTX *s, int cmd, void (*fp) (void)); 1213int ssl3_pending(const SSL *s); 1214 1215void ssl3_record_sequence_update(unsigned char *seq); 1216int ssl3_do_change_cipher_spec(SSL *ssl); 1217long ssl3_default_timeout(void); 1218 1219void ssl3_set_handshake_header(SSL *s, int htype, unsigned long len); 1220int ssl3_handshake_write(SSL *s); 1221 1222int ssl23_num_ciphers(void); 1223const SSL_CIPHER *ssl23_get_cipher(unsigned int u); 1224int ssl23_read(SSL *s, void *buf, int len); 1225int ssl23_peek(SSL *s, void *buf, int len); 1226int ssl23_write(SSL *s, const void *buf, int len); 1227int ssl23_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p); 1228const SSL_CIPHER *ssl23_get_cipher_by_char(const unsigned char *p); 1229long ssl23_default_timeout(void); 1230 1231long tls1_default_timeout(void); 1232int dtls1_do_write(SSL *s, int type); 1233int ssl3_read_n(SSL *s, int n, int max, int extend); 1234int dtls1_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek); 1235int ssl3_do_compress(SSL *ssl); 1236int ssl3_do_uncompress(SSL *ssl); 1237int ssl3_write_pending(SSL *s, int type, const unsigned char *buf, 1238 unsigned int len); 1239unsigned char *dtls1_set_message_header(SSL *s, 1240 unsigned char *p, unsigned char mt, 1241 unsigned long len, 1242 unsigned long frag_off, 1243 unsigned long frag_len); 1244 1245int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf, int len); 1246int dtls1_write_bytes(SSL *s, int type, const void *buf, int len); 1247 1248int dtls1_send_change_cipher_spec(SSL *s, int a, int b); 1249int dtls1_read_failed(SSL *s, int code); 1250int dtls1_buffer_message(SSL *s, int ccs); 1251int dtls1_retransmit_message(SSL *s, unsigned short seq, 1252 unsigned long frag_off, int *found); 1253int dtls1_get_queue_priority(unsigned short seq, int is_ccs); 1254int dtls1_retransmit_buffered_messages(SSL *s); 1255void dtls1_clear_received_buffer(SSL *s); 1256void dtls1_clear_sent_buffer(SSL *s); 1257void dtls1_get_message_header(unsigned char *data, 1258 struct hm_header_st *msg_hdr); 1259void dtls1_get_ccs_header(unsigned char *data, struct ccs_header_st *ccs_hdr); 1260void dtls1_reset_seq_numbers(SSL *s, int rw); 1261long dtls1_default_timeout(void); 1262struct timeval *dtls1_get_timeout(SSL *s, struct timeval *timeleft); 1263int dtls1_check_timeout_num(SSL *s); 1264int dtls1_handle_timeout(SSL *s); 1265const SSL_CIPHER *dtls1_get_cipher(unsigned int u); 1266void dtls1_start_timer(SSL *s); 1267void dtls1_stop_timer(SSL *s); 1268int dtls1_is_timer_expired(SSL *s); 1269void dtls1_double_timeout(SSL *s); 1270int dtls1_send_newsession_ticket(SSL *s); 1271unsigned int dtls1_min_mtu(SSL *s); 1272unsigned int dtls1_link_min_mtu(void); 1273void dtls1_hm_fragment_free(hm_fragment *frag); 1274 1275/* some client-only functions */ 1276int ssl3_client_hello(SSL *s); 1277int ssl3_get_server_hello(SSL *s); 1278int ssl3_get_certificate_request(SSL *s); 1279int ssl3_get_new_session_ticket(SSL *s); 1280int ssl3_get_cert_status(SSL *s); 1281int ssl3_get_server_done(SSL *s); 1282int ssl3_send_client_verify(SSL *s); 1283int ssl3_send_client_certificate(SSL *s); 1284int ssl_do_client_cert_cb(SSL *s, X509 **px509, EVP_PKEY **ppkey); 1285int ssl3_send_client_key_exchange(SSL *s); 1286int ssl3_get_key_exchange(SSL *s); 1287int ssl3_get_server_certificate(SSL *s); 1288int ssl3_check_cert_and_algorithm(SSL *s); 1289# ifndef OPENSSL_NO_TLSEXT 1290# ifndef OPENSSL_NO_NEXTPROTONEG 1291int ssl3_send_next_proto(SSL *s); 1292# endif 1293# endif 1294 1295int dtls1_client_hello(SSL *s); 1296 1297/* some server-only functions */ 1298int ssl3_get_client_hello(SSL *s); 1299int ssl3_send_server_hello(SSL *s); 1300int ssl3_send_hello_request(SSL *s); 1301int ssl3_send_server_key_exchange(SSL *s); 1302int ssl3_send_certificate_request(SSL *s); 1303int ssl3_send_server_done(SSL *s); 1304int ssl3_get_client_certificate(SSL *s); 1305int ssl3_get_client_key_exchange(SSL *s); 1306int ssl3_get_cert_verify(SSL *s); 1307# ifndef OPENSSL_NO_NEXTPROTONEG 1308int ssl3_get_next_proto(SSL *s); 1309# endif 1310 1311int ssl23_accept(SSL *s); 1312int ssl23_connect(SSL *s); 1313int ssl23_read_bytes(SSL *s, int n); 1314int ssl23_write_bytes(SSL *s); 1315 1316int tls1_new(SSL *s); 1317void tls1_free(SSL *s); 1318void tls1_clear(SSL *s); 1319long tls1_ctrl(SSL *s, int cmd, long larg, void *parg); 1320long tls1_callback_ctrl(SSL *s, int cmd, void (*fp) (void)); 1321 1322int dtls1_new(SSL *s); 1323int dtls1_accept(SSL *s); 1324int dtls1_connect(SSL *s); 1325void dtls1_free(SSL *s); 1326void dtls1_clear(SSL *s); 1327long dtls1_ctrl(SSL *s, int cmd, long larg, void *parg); 1328int dtls1_shutdown(SSL *s); 1329 1330long dtls1_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok); 1331int dtls1_get_record(SSL *s); 1332int do_dtls1_write(SSL *s, int type, const unsigned char *buf, 1333 unsigned int len, int create_empty_fragement); 1334int dtls1_dispatch_alert(SSL *s); 1335 1336int ssl_init_wbio_buffer(SSL *s, int push); 1337void ssl_free_wbio_buffer(SSL *s); 1338 1339int tls1_change_cipher_state(SSL *s, int which); 1340int tls1_setup_key_block(SSL *s); 1341int tls1_enc(SSL *s, int snd); 1342int tls1_final_finish_mac(SSL *s, 1343 const char *str, int slen, unsigned char *p); 1344int tls1_cert_verify_mac(SSL *s, int md_nid, unsigned char *p); 1345int tls1_mac(SSL *ssl, unsigned char *md, int snd); 1346int tls1_generate_master_secret(SSL *s, unsigned char *out, 1347 unsigned char *p, int len); 1348int tls1_export_keying_material(SSL *s, unsigned char *out, size_t olen, 1349 const char *label, size_t llen, 1350 const unsigned char *p, size_t plen, 1351 int use_context); 1352int tls1_alert_code(int code); 1353int ssl3_alert_code(int code); 1354int ssl_ok(SSL *s); 1355 1356# ifndef OPENSSL_NO_ECDH 1357int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s); 1358# endif 1359 1360SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n); 1361 1362# ifndef OPENSSL_NO_EC 1363int tls1_ec_curve_id2nid(int curve_id); 1364int tls1_ec_nid2curve_id(int nid); 1365int tls1_check_curve(SSL *s, const unsigned char *p, size_t len); 1366int tls1_shared_curve(SSL *s, int nmatch); 1367int tls1_set_curves(unsigned char **pext, size_t *pextlen, 1368 int *curves, size_t ncurves); 1369int tls1_set_curves_list(unsigned char **pext, size_t *pextlen, 1370 const char *str); 1371# ifndef OPENSSL_NO_ECDH 1372int tls1_check_ec_tmp_key(SSL *s, unsigned long id); 1373# endif /* OPENSSL_NO_ECDH */ 1374# endif /* OPENSSL_NO_EC */ 1375 1376# ifndef OPENSSL_NO_TLSEXT 1377int tls1_shared_list(SSL *s, 1378 const unsigned char *l1, size_t l1len, 1379 const unsigned char *l2, size_t l2len, int nmatch); 1380unsigned char *ssl_add_clienthello_tlsext(SSL *s, unsigned char *buf, 1381 unsigned char *limit, int *al); 1382unsigned char *ssl_add_serverhello_tlsext(SSL *s, unsigned char *buf, 1383 unsigned char *limit, int *al); 1384int ssl_parse_clienthello_tlsext(SSL *s, unsigned char **data, 1385 unsigned char *limit); 1386int tls1_set_server_sigalgs(SSL *s); 1387int ssl_check_clienthello_tlsext_late(SSL *s, int *al); 1388int ssl_parse_serverhello_tlsext(SSL *s, unsigned char **data, 1389 unsigned char *d, int n); 1390int ssl_prepare_clienthello_tlsext(SSL *s); 1391int ssl_prepare_serverhello_tlsext(SSL *s); 1392 1393# ifndef OPENSSL_NO_HEARTBEATS 1394int tls1_heartbeat(SSL *s); 1395int dtls1_heartbeat(SSL *s); 1396int tls1_process_heartbeat(SSL *s); 1397int dtls1_process_heartbeat(SSL *s); 1398# endif 1399 1400# ifdef OPENSSL_NO_SHA256 1401# define tlsext_tick_md EVP_sha1 1402# else 1403# define tlsext_tick_md EVP_sha256 1404# endif 1405int tls1_process_ticket(SSL *s, unsigned char *session_id, int len, 1406 const unsigned char *limit, SSL_SESSION **ret); 1407 1408int tls12_get_sigandhash(unsigned char *p, const EVP_PKEY *pk, 1409 const EVP_MD *md); 1410int tls12_get_sigid(const EVP_PKEY *pk); 1411const EVP_MD *tls12_get_hash(unsigned char hash_alg); 1412 1413int tls1_set_sigalgs_list(CERT *c, const char *str, int client); 1414int tls1_set_sigalgs(CERT *c, const int *salg, size_t salglen, int client); 1415int tls1_check_chain(SSL *s, X509 *x, EVP_PKEY *pk, STACK_OF(X509) *chain, 1416 int idx); 1417void tls1_set_cert_validity(SSL *s); 1418 1419# endif 1420EVP_MD_CTX *ssl_replace_hash(EVP_MD_CTX **hash, const EVP_MD *md); 1421void ssl_clear_hash_ctx(EVP_MD_CTX **hash); 1422int ssl_add_serverhello_renegotiate_ext(SSL *s, unsigned char *p, int *len, 1423 int maxlen); 1424int ssl_parse_serverhello_renegotiate_ext(SSL *s, unsigned char *d, int len, 1425 int *al); 1426int ssl_add_clienthello_renegotiate_ext(SSL *s, unsigned char *p, int *len, 1427 int maxlen); 1428int ssl_parse_clienthello_renegotiate_ext(SSL *s, unsigned char *d, int len, 1429 int *al); 1430long ssl_get_algorithm2(SSL *s); 1431int tls1_save_sigalgs(SSL *s, const unsigned char *data, int dsize); 1432int tls1_process_sigalgs(SSL *s); 1433size_t tls12_get_psigalgs(SSL *s, int sent, const unsigned char **psigs); 1434int tls12_check_peer_sigalg(const EVP_MD **pmd, SSL *s, 1435 const unsigned char *sig, EVP_PKEY *pkey); 1436void ssl_set_client_disabled(SSL *s); 1437 1438int ssl_add_clienthello_use_srtp_ext(SSL *s, unsigned char *p, int *len, 1439 int maxlen); 1440int ssl_parse_clienthello_use_srtp_ext(SSL *s, unsigned char *d, int len, 1441 int *al); 1442int ssl_add_serverhello_use_srtp_ext(SSL *s, unsigned char *p, int *len, 1443 int maxlen); 1444int ssl_parse_serverhello_use_srtp_ext(SSL *s, unsigned char *d, int len, 1445 int *al); 1446 1447/* s3_cbc.c */ 1448void ssl3_cbc_copy_mac(unsigned char *out, 1449 const SSL3_RECORD *rec, 1450 unsigned md_size, unsigned orig_len); 1451int ssl3_cbc_remove_padding(const SSL *s, 1452 SSL3_RECORD *rec, 1453 unsigned block_size, unsigned mac_size); 1454int tls1_cbc_remove_padding(const SSL *s, 1455 SSL3_RECORD *rec, 1456 unsigned block_size, unsigned mac_size); 1457char ssl3_cbc_record_digest_supported(const EVP_MD_CTX *ctx); 1458int ssl3_cbc_digest_record(const EVP_MD_CTX *ctx, 1459 unsigned char *md_out, 1460 size_t *md_out_size, 1461 const unsigned char header[13], 1462 const unsigned char *data, 1463 size_t data_plus_mac_size, 1464 size_t data_plus_mac_plus_padding_size, 1465 const unsigned char *mac_secret, 1466 unsigned mac_secret_length, char is_sslv3); 1467 1468void tls_fips_digest_extra(const EVP_CIPHER_CTX *cipher_ctx, 1469 EVP_MD_CTX *mac_ctx, const unsigned char *data, 1470 size_t data_len, size_t orig_len); 1471 1472int srp_verify_server_param(SSL *s, int *al); 1473 1474/* t1_ext.c */ 1475 1476void custom_ext_init(custom_ext_methods *meths); 1477 1478int custom_ext_parse(SSL *s, int server, 1479 unsigned int ext_type, 1480 const unsigned char *ext_data, size_t ext_size, int *al); 1481int custom_ext_add(SSL *s, int server, 1482 unsigned char **pret, unsigned char *limit, int *al); 1483 1484int custom_exts_copy(custom_ext_methods *dst, const custom_ext_methods *src); 1485int custom_exts_copy_flags(custom_ext_methods *dst, 1486 const custom_ext_methods *src); 1487void custom_exts_free(custom_ext_methods *exts); 1488 1489# else 1490 1491# define ssl_init_wbio_buffer SSL_test_functions()->p_ssl_init_wbio_buffer 1492# define ssl3_setup_buffers SSL_test_functions()->p_ssl3_setup_buffers 1493# define tls1_process_heartbeat SSL_test_functions()->p_tls1_process_heartbeat 1494# define dtls1_process_heartbeat SSL_test_functions()->p_dtls1_process_heartbeat 1495 1496# endif 1497#endif 1498