ssl_locl.h revision 337982
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) 1998-2018 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# define SSL_MAX_2_BYTE_LEN (0xffff) 263 264/* LOCAL STUFF */ 265 266# define SSL_DECRYPT 0 267# define SSL_ENCRYPT 1 268 269# define TWO_BYTE_BIT 0x80 270# define SEC_ESC_BIT 0x40 271# define TWO_BYTE_MASK 0x7fff 272# define THREE_BYTE_MASK 0x3fff 273 274# define INC32(a) ((a)=((a)+1)&0xffffffffL) 275# define DEC32(a) ((a)=((a)-1)&0xffffffffL) 276# define MAX_MAC_SIZE 20 /* up from 16 for SSLv3 */ 277 278/* 279 * Define the Bitmasks for SSL_CIPHER.algorithms. 280 * This bits are used packed as dense as possible. If new methods/ciphers 281 * etc will be added, the bits a likely to change, so this information 282 * is for internal library use only, even though SSL_CIPHER.algorithms 283 * can be publicly accessed. 284 * Use the according functions for cipher management instead. 285 * 286 * The bit mask handling in the selection and sorting scheme in 287 * ssl_create_cipher_list() has only limited capabilities, reflecting 288 * that the different entities within are mutually exclusive: 289 * ONLY ONE BIT PER MASK CAN BE SET AT A TIME. 290 */ 291 292/* Bits for algorithm_mkey (key exchange algorithm) */ 293/* RSA key exchange */ 294# define SSL_kRSA 0x00000001L 295/* DH cert, RSA CA cert */ 296# define SSL_kDHr 0x00000002L 297/* DH cert, DSA CA cert */ 298# define SSL_kDHd 0x00000004L 299/* tmp DH key no DH cert */ 300# define SSL_kEDH 0x00000008L 301/* forward-compatible synonym */ 302# define SSL_kDHE SSL_kEDH 303/* Kerberos5 key exchange */ 304# define SSL_kKRB5 0x00000010L 305/* ECDH cert, RSA CA cert */ 306# define SSL_kECDHr 0x00000020L 307/* ECDH cert, ECDSA CA cert */ 308# define SSL_kECDHe 0x00000040L 309/* ephemeral ECDH */ 310# define SSL_kEECDH 0x00000080L 311/* forward-compatible synonym */ 312# define SSL_kECDHE SSL_kEECDH 313/* PSK */ 314# define SSL_kPSK 0x00000100L 315/* GOST key exchange */ 316# define SSL_kGOST 0x00000200L 317/* SRP */ 318# define SSL_kSRP 0x00000400L 319 320/* Bits for algorithm_auth (server authentication) */ 321/* RSA auth */ 322# define SSL_aRSA 0x00000001L 323/* DSS auth */ 324# define SSL_aDSS 0x00000002L 325/* no auth (i.e. use ADH or AECDH) */ 326# define SSL_aNULL 0x00000004L 327/* Fixed DH auth (kDHd or kDHr) */ 328# define SSL_aDH 0x00000008L 329/* Fixed ECDH auth (kECDHe or kECDHr) */ 330# define SSL_aECDH 0x00000010L 331/* KRB5 auth */ 332# define SSL_aKRB5 0x00000020L 333/* ECDSA auth*/ 334# define SSL_aECDSA 0x00000040L 335/* PSK auth */ 336# define SSL_aPSK 0x00000080L 337/* GOST R 34.10-94 signature auth */ 338# define SSL_aGOST94 0x00000100L 339/* GOST R 34.10-2001 signature auth */ 340# define SSL_aGOST01 0x00000200L 341/* SRP auth */ 342# define SSL_aSRP 0x00000400L 343 344/* Bits for algorithm_enc (symmetric encryption) */ 345# define SSL_DES 0x00000001L 346# define SSL_3DES 0x00000002L 347# define SSL_RC4 0x00000004L 348# define SSL_RC2 0x00000008L 349# define SSL_IDEA 0x00000010L 350# define SSL_eNULL 0x00000020L 351# define SSL_AES128 0x00000040L 352# define SSL_AES256 0x00000080L 353# define SSL_CAMELLIA128 0x00000100L 354# define SSL_CAMELLIA256 0x00000200L 355# define SSL_eGOST2814789CNT 0x00000400L 356# define SSL_SEED 0x00000800L 357# define SSL_AES128GCM 0x00001000L 358# define SSL_AES256GCM 0x00002000L 359 360# define SSL_AES (SSL_AES128|SSL_AES256|SSL_AES128GCM|SSL_AES256GCM) 361# define SSL_CAMELLIA (SSL_CAMELLIA128|SSL_CAMELLIA256) 362 363/* Bits for algorithm_mac (symmetric authentication) */ 364 365# define SSL_MD5 0x00000001L 366# define SSL_SHA1 0x00000002L 367# define SSL_GOST94 0x00000004L 368# define SSL_GOST89MAC 0x00000008L 369# define SSL_SHA256 0x00000010L 370# define SSL_SHA384 0x00000020L 371/* Not a real MAC, just an indication it is part of cipher */ 372# define SSL_AEAD 0x00000040L 373 374/* Bits for algorithm_ssl (protocol version) */ 375# define SSL_SSLV2 0x00000001UL 376# define SSL_SSLV3 0x00000002UL 377# define SSL_TLSV1 SSL_SSLV3/* for now */ 378# define SSL_TLSV1_2 0x00000004UL 379 380/* Bits for algorithm2 (handshake digests and other extra flags) */ 381 382# define SSL_HANDSHAKE_MAC_MD5 0x10 383# define SSL_HANDSHAKE_MAC_SHA 0x20 384# define SSL_HANDSHAKE_MAC_GOST94 0x40 385# define SSL_HANDSHAKE_MAC_SHA256 0x80 386# define SSL_HANDSHAKE_MAC_SHA384 0x100 387# define SSL_HANDSHAKE_MAC_DEFAULT (SSL_HANDSHAKE_MAC_MD5 | SSL_HANDSHAKE_MAC_SHA) 388 389/* 390 * When adding new digest in the ssl_ciph.c and increment SSM_MD_NUM_IDX make 391 * sure to update this constant too 392 */ 393# define SSL_MAX_DIGEST 6 394 395# define TLS1_PRF_DGST_MASK (0xff << TLS1_PRF_DGST_SHIFT) 396 397# define TLS1_PRF_DGST_SHIFT 10 398# define TLS1_PRF_MD5 (SSL_HANDSHAKE_MAC_MD5 << TLS1_PRF_DGST_SHIFT) 399# define TLS1_PRF_SHA1 (SSL_HANDSHAKE_MAC_SHA << TLS1_PRF_DGST_SHIFT) 400# define TLS1_PRF_SHA256 (SSL_HANDSHAKE_MAC_SHA256 << TLS1_PRF_DGST_SHIFT) 401# define TLS1_PRF_SHA384 (SSL_HANDSHAKE_MAC_SHA384 << TLS1_PRF_DGST_SHIFT) 402# define TLS1_PRF_GOST94 (SSL_HANDSHAKE_MAC_GOST94 << TLS1_PRF_DGST_SHIFT) 403# define TLS1_PRF (TLS1_PRF_MD5 | TLS1_PRF_SHA1) 404 405/* 406 * Stream MAC for GOST ciphersuites from cryptopro draft (currently this also 407 * goes into algorithm2) 408 */ 409# define TLS1_STREAM_MAC 0x04 410 411/* 412 * Export and cipher strength information. For each cipher we have to decide 413 * whether it is exportable or not. This information is likely to change 414 * over time, since the export control rules are no static technical issue. 415 * 416 * Independent of the export flag the cipher strength is sorted into classes. 417 * SSL_EXP40 was denoting the 40bit US export limit of past times, which now 418 * is at 56bit (SSL_EXP56). If the exportable cipher class is going to change 419 * again (eg. to 64bit) the use of "SSL_EXP*" becomes blurred even more, 420 * since SSL_EXP64 could be similar to SSL_LOW. 421 * For this reason SSL_MICRO and SSL_MINI macros are included to widen the 422 * namespace of SSL_LOW-SSL_HIGH to lower values. As development of speed 423 * and ciphers goes, another extension to SSL_SUPER and/or SSL_ULTRA would 424 * be possible. 425 */ 426# define SSL_EXP_MASK 0x00000003L 427# define SSL_STRONG_MASK 0x000001fcL 428 429# define SSL_NOT_EXP 0x00000001L 430# define SSL_EXPORT 0x00000002L 431 432# define SSL_STRONG_NONE 0x00000004L 433# define SSL_EXP40 0x00000008L 434# define SSL_MICRO (SSL_EXP40) 435# define SSL_EXP56 0x00000010L 436# define SSL_MINI (SSL_EXP56) 437# define SSL_LOW 0x00000020L 438# define SSL_MEDIUM 0x00000040L 439# define SSL_HIGH 0x00000080L 440# define SSL_FIPS 0x00000100L 441# define SSL_NOT_DEFAULT 0x00000200L 442 443/* we have used 000003ff - 22 bits left to go */ 444 445/*- 446 * Macros to check the export status and cipher strength for export ciphers. 447 * Even though the macros for EXPORT and EXPORT40/56 have similar names, 448 * their meaning is different: 449 * *_EXPORT macros check the 'exportable' status. 450 * *_EXPORT40/56 macros are used to check whether a certain cipher strength 451 * is given. 452 * Since the SSL_IS_EXPORT* and SSL_EXPORT* macros depend on the correct 453 * algorithm structure element to be passed (algorithms, algo_strength) and no 454 * typechecking can be done as they are all of type unsigned long, their 455 * direct usage is discouraged. 456 * Use the SSL_C_* macros instead. 457 */ 458# define SSL_IS_EXPORT(a) ((a)&SSL_EXPORT) 459# define SSL_IS_EXPORT56(a) ((a)&SSL_EXP56) 460# define SSL_IS_EXPORT40(a) ((a)&SSL_EXP40) 461# define SSL_C_IS_EXPORT(c) SSL_IS_EXPORT((c)->algo_strength) 462# define SSL_C_IS_EXPORT56(c) SSL_IS_EXPORT56((c)->algo_strength) 463# define SSL_C_IS_EXPORT40(c) SSL_IS_EXPORT40((c)->algo_strength) 464 465# define SSL_EXPORT_KEYLENGTH(a,s) (SSL_IS_EXPORT40(s) ? 5 : \ 466 (a) == SSL_DES ? 8 : 7) 467# define SSL_EXPORT_PKEYLENGTH(a) (SSL_IS_EXPORT40(a) ? 512 : 1024) 468# define SSL_C_EXPORT_KEYLENGTH(c) SSL_EXPORT_KEYLENGTH((c)->algorithm_enc, \ 469 (c)->algo_strength) 470# define SSL_C_EXPORT_PKEYLENGTH(c) SSL_EXPORT_PKEYLENGTH((c)->algo_strength) 471 472/* Check if an SSL structure is using DTLS */ 473# define SSL_IS_DTLS(s) (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS) 474/* See if we need explicit IV */ 475# define SSL_USE_EXPLICIT_IV(s) \ 476 (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_EXPLICIT_IV) 477/* 478 * See if we use signature algorithms extension and signature algorithm 479 * before signatures. 480 */ 481# define SSL_USE_SIGALGS(s) \ 482 (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_SIGALGS) 483/* 484 * Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2: may 485 * apply to others in future. 486 */ 487# define SSL_USE_TLS1_2_CIPHERS(s) \ 488 (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_TLS1_2_CIPHERS) 489/* 490 * Determine if a client can use TLS 1.2 ciphersuites: can't rely on method 491 * flags because it may not be set to correct version yet. 492 */ 493# define SSL_CLIENT_USE_TLS1_2_CIPHERS(s) \ 494 ((SSL_IS_DTLS(s) && s->client_version <= DTLS1_2_VERSION) || \ 495 (!SSL_IS_DTLS(s) && s->client_version >= TLS1_2_VERSION)) 496/* 497 * Determine if a client should send signature algorithms extension: 498 * as with TLS1.2 cipher we can't rely on method flags. 499 */ 500# define SSL_CLIENT_USE_SIGALGS(s) \ 501 SSL_CLIENT_USE_TLS1_2_CIPHERS(s) 502 503/* Mostly for SSLv3 */ 504# define SSL_PKEY_RSA_ENC 0 505# define SSL_PKEY_RSA_SIGN 1 506# define SSL_PKEY_DSA_SIGN 2 507# define SSL_PKEY_DH_RSA 3 508# define SSL_PKEY_DH_DSA 4 509# define SSL_PKEY_ECC 5 510# define SSL_PKEY_GOST94 6 511# define SSL_PKEY_GOST01 7 512# define SSL_PKEY_NUM 8 513 514/*- 515 * SSL_kRSA <- RSA_ENC | (RSA_TMP & RSA_SIGN) | 516 * <- (EXPORT & (RSA_ENC | RSA_TMP) & RSA_SIGN) 517 * SSL_kDH <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN) 518 * SSL_kEDH <- RSA_ENC | RSA_SIGN | DSA_SIGN 519 * SSL_aRSA <- RSA_ENC | RSA_SIGN 520 * SSL_aDSS <- DSA_SIGN 521 */ 522 523/*- 524#define CERT_INVALID 0 525#define CERT_PUBLIC_KEY 1 526#define CERT_PRIVATE_KEY 2 527*/ 528 529# ifndef OPENSSL_NO_EC 530/* 531 * From ECC-TLS draft, used in encoding the curve type in ECParameters 532 */ 533# define EXPLICIT_PRIME_CURVE_TYPE 1 534# define EXPLICIT_CHAR2_CURVE_TYPE 2 535# define NAMED_CURVE_TYPE 3 536# endif /* OPENSSL_NO_EC */ 537 538typedef struct cert_pkey_st { 539 X509 *x509; 540 EVP_PKEY *privatekey; 541 /* Digest to use when signing */ 542 const EVP_MD *digest; 543 /* Chain for this certificate */ 544 STACK_OF(X509) *chain; 545# ifndef OPENSSL_NO_TLSEXT 546 /*- 547 * serverinfo data for this certificate. The data is in TLS Extension 548 * wire format, specifically it's a series of records like: 549 * uint16_t extension_type; // (RFC 5246, 7.4.1.4, Extension) 550 * uint16_t length; 551 * uint8_t data[length]; 552 */ 553 unsigned char *serverinfo; 554 size_t serverinfo_length; 555# endif 556 /* 557 * Set if CERT_PKEY can be used with current SSL session: e.g. 558 * appropriate curve, signature algorithms etc. If zero it can't be used 559 * at all. 560 */ 561 int valid_flags; 562} CERT_PKEY; 563/* Retrieve Suite B flags */ 564# define tls1_suiteb(s) (s->cert->cert_flags & SSL_CERT_FLAG_SUITEB_128_LOS) 565/* Uses to check strict mode: suite B modes are always strict */ 566# define SSL_CERT_FLAGS_CHECK_TLS_STRICT \ 567 (SSL_CERT_FLAG_SUITEB_128_LOS|SSL_CERT_FLAG_TLS_STRICT) 568 569typedef struct { 570 unsigned short ext_type; 571 /* 572 * Per-connection flags relating to this extension type: not used if 573 * part of an SSL_CTX structure. 574 */ 575 unsigned short ext_flags; 576 custom_ext_add_cb add_cb; 577 custom_ext_free_cb free_cb; 578 void *add_arg; 579 custom_ext_parse_cb parse_cb; 580 void *parse_arg; 581} custom_ext_method; 582 583/* ext_flags values */ 584 585/* 586 * Indicates an extension has been received. Used to check for unsolicited or 587 * duplicate extensions. 588 */ 589# define SSL_EXT_FLAG_RECEIVED 0x1 590/* 591 * Indicates an extension has been sent: used to enable sending of 592 * corresponding ServerHello extension. 593 */ 594# define SSL_EXT_FLAG_SENT 0x2 595 596# define MAX_WARN_ALERT_COUNT 5 597 598typedef struct { 599 custom_ext_method *meths; 600 size_t meths_count; 601} custom_ext_methods; 602 603typedef struct cert_st { 604 /* Current active set */ 605 /* 606 * ALWAYS points to an element of the pkeys array 607 * Probably it would make more sense to store 608 * an index, not a pointer. 609 */ 610 CERT_PKEY *key; 611 /* 612 * For servers the following masks are for the key and auth algorithms 613 * that are supported by the certs below. For clients they are masks of 614 * *disabled* algorithms based on the current session. 615 */ 616 int valid; 617 unsigned long mask_k; 618 unsigned long mask_a; 619 unsigned long export_mask_k; 620 unsigned long export_mask_a; 621 /* Client only */ 622 unsigned long mask_ssl; 623# ifndef OPENSSL_NO_RSA 624 RSA *rsa_tmp; 625 RSA *(*rsa_tmp_cb) (SSL *ssl, int is_export, int keysize); 626# endif 627# ifndef OPENSSL_NO_DH 628 DH *dh_tmp; 629 DH *(*dh_tmp_cb) (SSL *ssl, int is_export, int keysize); 630# endif 631# ifndef OPENSSL_NO_ECDH 632 EC_KEY *ecdh_tmp; 633 /* Callback for generating ephemeral ECDH keys */ 634 EC_KEY *(*ecdh_tmp_cb) (SSL *ssl, int is_export, int keysize); 635 /* Select ECDH parameters automatically */ 636 int ecdh_tmp_auto; 637# endif 638 /* Flags related to certificates */ 639 unsigned int cert_flags; 640 CERT_PKEY pkeys[SSL_PKEY_NUM]; 641 /* 642 * Certificate types (received or sent) in certificate request message. 643 * On receive this is only set if number of certificate types exceeds 644 * SSL3_CT_NUMBER. 645 */ 646 unsigned char *ctypes; 647 size_t ctype_num; 648 /* 649 * signature algorithms peer reports: e.g. supported signature algorithms 650 * extension for server or as part of a certificate request for client. 651 */ 652 unsigned char *peer_sigalgs; 653 /* Size of above array */ 654 size_t peer_sigalgslen; 655 /* 656 * suppported signature algorithms. When set on a client this is sent in 657 * the client hello as the supported signature algorithms extension. For 658 * servers it represents the signature algorithms we are willing to use. 659 */ 660 unsigned char *conf_sigalgs; 661 /* Size of above array */ 662 size_t conf_sigalgslen; 663 /* 664 * Client authentication signature algorithms, if not set then uses 665 * conf_sigalgs. On servers these will be the signature algorithms sent 666 * to the client in a cerificate request for TLS 1.2. On a client this 667 * represents the signature algortithms we are willing to use for client 668 * authentication. 669 */ 670 unsigned char *client_sigalgs; 671 /* Size of above array */ 672 size_t client_sigalgslen; 673 /* 674 * Signature algorithms shared by client and server: cached because these 675 * are used most often. 676 */ 677 TLS_SIGALGS *shared_sigalgs; 678 size_t shared_sigalgslen; 679 /* 680 * Certificate setup callback: if set is called whenever a certificate 681 * may be required (client or server). the callback can then examine any 682 * appropriate parameters and setup any certificates required. This 683 * allows advanced applications to select certificates on the fly: for 684 * example based on supported signature algorithms or curves. 685 */ 686 int (*cert_cb) (SSL *ssl, void *arg); 687 void *cert_cb_arg; 688 /* 689 * Optional X509_STORE for chain building or certificate validation If 690 * NULL the parent SSL_CTX store is used instead. 691 */ 692 X509_STORE *chain_store; 693 X509_STORE *verify_store; 694 /* Raw values of the cipher list from a client */ 695 unsigned char *ciphers_raw; 696 size_t ciphers_rawlen; 697 /* Custom extension methods for server and client */ 698 custom_ext_methods cli_ext; 699 custom_ext_methods srv_ext; 700 int references; /* >1 only if SSL_copy_session_id is used */ 701 /* non-optimal, but here due to compatibility */ 702 unsigned char *alpn_proposed; /* server */ 703 unsigned int alpn_proposed_len; 704 int alpn_sent; /* client */ 705 /* Count of the number of consecutive warning alerts received */ 706 unsigned int alert_count; 707} CERT; 708 709typedef struct sess_cert_st { 710 STACK_OF(X509) *cert_chain; /* as received from peer (not for SSL2) */ 711 /* The 'peer_...' members are used only by clients. */ 712 int peer_cert_type; 713 CERT_PKEY *peer_key; /* points to an element of peer_pkeys (never 714 * NULL!) */ 715 CERT_PKEY peer_pkeys[SSL_PKEY_NUM]; 716 /* 717 * Obviously we don't have the private keys of these, so maybe we 718 * shouldn't even use the CERT_PKEY type here. 719 */ 720# ifndef OPENSSL_NO_RSA 721 RSA *peer_rsa_tmp; /* not used for SSL 2 */ 722# endif 723# ifndef OPENSSL_NO_DH 724 DH *peer_dh_tmp; /* not used for SSL 2 */ 725# endif 726# ifndef OPENSSL_NO_ECDH 727 EC_KEY *peer_ecdh_tmp; 728# endif 729 int references; /* actually always 1 at the moment */ 730} SESS_CERT; 731/* Structure containing decoded values of signature algorithms extension */ 732struct tls_sigalgs_st { 733 /* NID of hash algorithm */ 734 int hash_nid; 735 /* NID of signature algorithm */ 736 int sign_nid; 737 /* Combined hash and signature NID */ 738 int signandhash_nid; 739 /* Raw values used in extension */ 740 unsigned char rsign; 741 unsigned char rhash; 742}; 743 744/* 745 * #define MAC_DEBUG 746 */ 747 748/* 749 * #define ERR_DEBUG 750 */ 751/* 752 * #define ABORT_DEBUG 753 */ 754/* 755 * #define PKT_DEBUG 1 756 */ 757/* 758 * #define DES_DEBUG 759 */ 760/* 761 * #define DES_OFB_DEBUG 762 */ 763/* 764 * #define SSL_DEBUG 765 */ 766/* 767 * #define RSA_DEBUG 768 */ 769/* 770 * #define IDEA_DEBUG 771 */ 772 773# define FP_ICC (int (*)(const void *,const void *)) 774# define ssl_put_cipher_by_char(ssl,ciph,ptr) \ 775 ((ssl)->method->put_cipher_by_char((ciph),(ptr))) 776 777/* 778 * This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff It is a bit 779 * of a mess of functions, but hell, think of it as an opaque structure :-) 780 */ 781typedef struct ssl3_enc_method { 782 int (*enc) (SSL *, int); 783 int (*mac) (SSL *, unsigned char *, int); 784 int (*setup_key_block) (SSL *); 785 int (*generate_master_secret) (SSL *, unsigned char *, unsigned char *, 786 int); 787 int (*change_cipher_state) (SSL *, int); 788 int (*final_finish_mac) (SSL *, const char *, int, unsigned char *); 789 int finish_mac_length; 790 int (*cert_verify_mac) (SSL *, int, unsigned char *); 791 const char *client_finished_label; 792 int client_finished_label_len; 793 const char *server_finished_label; 794 int server_finished_label_len; 795 int (*alert_value) (int); 796 int (*export_keying_material) (SSL *, unsigned char *, size_t, 797 const char *, size_t, 798 const unsigned char *, size_t, 799 int use_context); 800 /* Various flags indicating protocol version requirements */ 801 unsigned int enc_flags; 802 /* Handshake header length */ 803 unsigned int hhlen; 804 /* Set the handshake header */ 805 void (*set_handshake_header) (SSL *s, int type, unsigned long len); 806 /* Write out handshake message */ 807 int (*do_write) (SSL *s); 808} SSL3_ENC_METHOD; 809 810# define SSL_HM_HEADER_LENGTH(s) s->method->ssl3_enc->hhlen 811# define ssl_handshake_start(s) \ 812 (((unsigned char *)s->init_buf->data) + s->method->ssl3_enc->hhlen) 813# define ssl_set_handshake_header(s, htype, len) \ 814 s->method->ssl3_enc->set_handshake_header(s, htype, len) 815# define ssl_do_write(s) s->method->ssl3_enc->do_write(s) 816 817/* Values for enc_flags */ 818 819/* Uses explicit IV for CBC mode */ 820# define SSL_ENC_FLAG_EXPLICIT_IV 0x1 821/* Uses signature algorithms extension */ 822# define SSL_ENC_FLAG_SIGALGS 0x2 823/* Uses SHA256 default PRF */ 824# define SSL_ENC_FLAG_SHA256_PRF 0x4 825/* Is DTLS */ 826# define SSL_ENC_FLAG_DTLS 0x8 827/* 828 * Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2: may 829 * apply to others in future. 830 */ 831# define SSL_ENC_FLAG_TLS1_2_CIPHERS 0x10 832 833# ifndef OPENSSL_NO_COMP 834/* Used for holding the relevant compression methods loaded into SSL_CTX */ 835typedef struct ssl3_comp_st { 836 int comp_id; /* The identifier byte for this compression 837 * type */ 838 char *name; /* Text name used for the compression type */ 839 COMP_METHOD *method; /* The method :-) */ 840} SSL3_COMP; 841# endif 842 843# ifndef OPENSSL_NO_BUF_FREELISTS 844typedef struct ssl3_buf_freelist_st { 845 size_t chunklen; 846 unsigned int len; 847 struct ssl3_buf_freelist_entry_st *head; 848} SSL3_BUF_FREELIST; 849 850typedef struct ssl3_buf_freelist_entry_st { 851 struct ssl3_buf_freelist_entry_st *next; 852} SSL3_BUF_FREELIST_ENTRY; 853# endif 854 855extern SSL3_ENC_METHOD ssl3_undef_enc_method; 856OPENSSL_EXTERN const SSL_CIPHER ssl2_ciphers[]; 857OPENSSL_EXTERN SSL_CIPHER ssl3_ciphers[]; 858 859SSL_METHOD *ssl_bad_method(int ver); 860 861extern SSL3_ENC_METHOD TLSv1_enc_data; 862extern SSL3_ENC_METHOD TLSv1_1_enc_data; 863extern SSL3_ENC_METHOD TLSv1_2_enc_data; 864extern SSL3_ENC_METHOD SSLv3_enc_data; 865extern SSL3_ENC_METHOD DTLSv1_enc_data; 866extern SSL3_ENC_METHOD DTLSv1_2_enc_data; 867 868# define IMPLEMENT_tls_meth_func(version, func_name, s_accept, s_connect, \ 869 s_get_meth, enc_data) \ 870const SSL_METHOD *func_name(void) \ 871 { \ 872 static const SSL_METHOD func_name##_data= { \ 873 version, \ 874 tls1_new, \ 875 tls1_clear, \ 876 tls1_free, \ 877 s_accept, \ 878 s_connect, \ 879 ssl3_read, \ 880 ssl3_peek, \ 881 ssl3_write, \ 882 ssl3_shutdown, \ 883 ssl3_renegotiate, \ 884 ssl3_renegotiate_check, \ 885 ssl3_get_message, \ 886 ssl3_read_bytes, \ 887 ssl3_write_bytes, \ 888 ssl3_dispatch_alert, \ 889 ssl3_ctrl, \ 890 ssl3_ctx_ctrl, \ 891 ssl3_get_cipher_by_char, \ 892 ssl3_put_cipher_by_char, \ 893 ssl3_pending, \ 894 ssl3_num_ciphers, \ 895 ssl3_get_cipher, \ 896 s_get_meth, \ 897 tls1_default_timeout, \ 898 &enc_data, \ 899 ssl_undefined_void_function, \ 900 ssl3_callback_ctrl, \ 901 ssl3_ctx_callback_ctrl, \ 902 }; \ 903 return &func_name##_data; \ 904 } 905 906# define IMPLEMENT_ssl3_meth_func(func_name, s_accept, s_connect, s_get_meth) \ 907const SSL_METHOD *func_name(void) \ 908 { \ 909 static const SSL_METHOD func_name##_data= { \ 910 SSL3_VERSION, \ 911 ssl3_new, \ 912 ssl3_clear, \ 913 ssl3_free, \ 914 s_accept, \ 915 s_connect, \ 916 ssl3_read, \ 917 ssl3_peek, \ 918 ssl3_write, \ 919 ssl3_shutdown, \ 920 ssl3_renegotiate, \ 921 ssl3_renegotiate_check, \ 922 ssl3_get_message, \ 923 ssl3_read_bytes, \ 924 ssl3_write_bytes, \ 925 ssl3_dispatch_alert, \ 926 ssl3_ctrl, \ 927 ssl3_ctx_ctrl, \ 928 ssl3_get_cipher_by_char, \ 929 ssl3_put_cipher_by_char, \ 930 ssl3_pending, \ 931 ssl3_num_ciphers, \ 932 ssl3_get_cipher, \ 933 s_get_meth, \ 934 ssl3_default_timeout, \ 935 &SSLv3_enc_data, \ 936 ssl_undefined_void_function, \ 937 ssl3_callback_ctrl, \ 938 ssl3_ctx_callback_ctrl, \ 939 }; \ 940 return &func_name##_data; \ 941 } 942 943# define IMPLEMENT_ssl23_meth_func(func_name, s_accept, s_connect, s_get_meth) \ 944const SSL_METHOD *func_name(void) \ 945 { \ 946 static const SSL_METHOD func_name##_data= { \ 947 TLS1_2_VERSION, \ 948 tls1_new, \ 949 tls1_clear, \ 950 tls1_free, \ 951 s_accept, \ 952 s_connect, \ 953 ssl23_read, \ 954 ssl23_peek, \ 955 ssl23_write, \ 956 ssl_undefined_function, \ 957 ssl_undefined_function, \ 958 ssl_ok, \ 959 ssl3_get_message, \ 960 ssl3_read_bytes, \ 961 ssl3_write_bytes, \ 962 ssl3_dispatch_alert, \ 963 ssl3_ctrl, \ 964 ssl3_ctx_ctrl, \ 965 ssl23_get_cipher_by_char, \ 966 ssl23_put_cipher_by_char, \ 967 ssl_undefined_const_function, \ 968 ssl23_num_ciphers, \ 969 ssl23_get_cipher, \ 970 s_get_meth, \ 971 ssl23_default_timeout, \ 972 &TLSv1_2_enc_data, \ 973 ssl_undefined_void_function, \ 974 ssl3_callback_ctrl, \ 975 ssl3_ctx_callback_ctrl, \ 976 }; \ 977 return &func_name##_data; \ 978 } 979 980# define IMPLEMENT_ssl2_meth_func(func_name, s_accept, s_connect, s_get_meth) \ 981const SSL_METHOD *func_name(void) \ 982 { \ 983 static const SSL_METHOD func_name##_data= { \ 984 SSL2_VERSION, \ 985 ssl2_new, /* local */ \ 986 ssl2_clear, /* local */ \ 987 ssl2_free, /* local */ \ 988 s_accept, \ 989 s_connect, \ 990 ssl2_read, \ 991 ssl2_peek, \ 992 ssl2_write, \ 993 ssl2_shutdown, \ 994 ssl_ok, /* NULL - renegotiate */ \ 995 ssl_ok, /* NULL - check renegotiate */ \ 996 NULL, /* NULL - ssl_get_message */ \ 997 NULL, /* NULL - ssl_get_record */ \ 998 NULL, /* NULL - ssl_write_bytes */ \ 999 NULL, /* NULL - dispatch_alert */ \ 1000 ssl2_ctrl, /* local */ \ 1001 ssl2_ctx_ctrl, /* local */ \ 1002 ssl2_get_cipher_by_char, \ 1003 ssl2_put_cipher_by_char, \ 1004 ssl2_pending, \ 1005 ssl2_num_ciphers, \ 1006 ssl2_get_cipher, \ 1007 s_get_meth, \ 1008 ssl2_default_timeout, \ 1009 &ssl3_undef_enc_method, \ 1010 ssl_undefined_void_function, \ 1011 ssl2_callback_ctrl, /* local */ \ 1012 ssl2_ctx_callback_ctrl, /* local */ \ 1013 }; \ 1014 return &func_name##_data; \ 1015 } 1016 1017# define IMPLEMENT_dtls1_meth_func(version, func_name, s_accept, s_connect, \ 1018 s_get_meth, enc_data) \ 1019const SSL_METHOD *func_name(void) \ 1020 { \ 1021 static const SSL_METHOD func_name##_data= { \ 1022 version, \ 1023 dtls1_new, \ 1024 dtls1_clear, \ 1025 dtls1_free, \ 1026 s_accept, \ 1027 s_connect, \ 1028 ssl3_read, \ 1029 ssl3_peek, \ 1030 ssl3_write, \ 1031 dtls1_shutdown, \ 1032 ssl3_renegotiate, \ 1033 ssl3_renegotiate_check, \ 1034 dtls1_get_message, \ 1035 dtls1_read_bytes, \ 1036 dtls1_write_app_data_bytes, \ 1037 dtls1_dispatch_alert, \ 1038 dtls1_ctrl, \ 1039 ssl3_ctx_ctrl, \ 1040 ssl3_get_cipher_by_char, \ 1041 ssl3_put_cipher_by_char, \ 1042 ssl3_pending, \ 1043 ssl3_num_ciphers, \ 1044 dtls1_get_cipher, \ 1045 s_get_meth, \ 1046 dtls1_default_timeout, \ 1047 &enc_data, \ 1048 ssl_undefined_void_function, \ 1049 ssl3_callback_ctrl, \ 1050 ssl3_ctx_callback_ctrl, \ 1051 }; \ 1052 return &func_name##_data; \ 1053 } 1054 1055struct openssl_ssl_test_functions { 1056 int (*p_ssl_init_wbio_buffer) (SSL *s, int push); 1057 int (*p_ssl3_setup_buffers) (SSL *s); 1058 int (*p_tls1_process_heartbeat) (SSL *s); 1059 int (*p_dtls1_process_heartbeat) (SSL *s); 1060}; 1061 1062# ifndef OPENSSL_UNIT_TEST 1063 1064void ssl_clear_cipher_ctx(SSL *s); 1065int ssl_clear_bad_session(SSL *s); 1066CERT *ssl_cert_new(void); 1067CERT *ssl_cert_dup(CERT *cert); 1068void ssl_cert_set_default_md(CERT *cert); 1069int ssl_cert_inst(CERT **o); 1070void ssl_cert_clear_certs(CERT *c); 1071void ssl_cert_free(CERT *c); 1072SESS_CERT *ssl_sess_cert_new(void); 1073void ssl_sess_cert_free(SESS_CERT *sc); 1074int ssl_set_peer_cert_type(SESS_CERT *c, int type); 1075int ssl_get_new_session(SSL *s, int session); 1076int ssl_get_prev_session(SSL *s, unsigned char *session, int len, 1077 const unsigned char *limit); 1078SSL_SESSION *ssl_session_dup(SSL_SESSION *src, int ticket); 1079int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b); 1080DECLARE_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, ssl_cipher_id); 1081int ssl_cipher_ptr_id_cmp(const SSL_CIPHER *const *ap, 1082 const SSL_CIPHER *const *bp); 1083STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s, unsigned char *p, 1084 int num, 1085 STACK_OF(SSL_CIPHER) **skp); 1086int ssl_cipher_list_to_bytes(SSL *s, STACK_OF(SSL_CIPHER) *sk, 1087 unsigned char *p, 1088 int (*put_cb) (const SSL_CIPHER *, 1089 unsigned char *)); 1090STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *meth, 1091 STACK_OF(SSL_CIPHER) **pref, 1092 STACK_OF(SSL_CIPHER) **sorted, 1093 const char *rule_str, CERT *c); 1094void ssl_update_cache(SSL *s, int mode); 1095int ssl_cipher_get_evp(const SSL_SESSION *s, const EVP_CIPHER **enc, 1096 const EVP_MD **md, int *mac_pkey_type, 1097 int *mac_secret_size, SSL_COMP **comp); 1098int ssl_get_handshake_digest(int i, long *mask, const EVP_MD **md); 1099int ssl_cipher_get_cert_index(const SSL_CIPHER *c); 1100const SSL_CIPHER *ssl_get_cipher_by_char(SSL *ssl, const unsigned char *ptr); 1101int ssl_cert_set0_chain(CERT *c, STACK_OF(X509) *chain); 1102int ssl_cert_set1_chain(CERT *c, STACK_OF(X509) *chain); 1103int ssl_cert_add0_chain_cert(CERT *c, X509 *x); 1104int ssl_cert_add1_chain_cert(CERT *c, X509 *x); 1105int ssl_cert_select_current(CERT *c, X509 *x); 1106int ssl_cert_set_current(CERT *c, long arg); 1107X509 *ssl_cert_get0_next_certificate(CERT *c, int first); 1108void ssl_cert_set_cert_cb(CERT *c, int (*cb) (SSL *ssl, void *arg), 1109 void *arg); 1110 1111int ssl_verify_cert_chain(SSL *s, STACK_OF(X509) *sk); 1112int ssl_add_cert_chain(SSL *s, CERT_PKEY *cpk, unsigned long *l); 1113int ssl_build_cert_chain(CERT *c, X509_STORE *chain_store, int flags); 1114int ssl_cert_set_cert_store(CERT *c, X509_STORE *store, int chain, int ref); 1115int ssl_undefined_function(SSL *s); 1116int ssl_undefined_void_function(void); 1117int ssl_undefined_const_function(const SSL *s); 1118CERT_PKEY *ssl_get_server_send_pkey(const SSL *s); 1119# ifndef OPENSSL_NO_TLSEXT 1120int ssl_get_server_cert_serverinfo(SSL *s, const unsigned char **serverinfo, 1121 size_t *serverinfo_length); 1122# endif 1123EVP_PKEY *ssl_get_sign_pkey(SSL *s, const SSL_CIPHER *c, const EVP_MD **pmd); 1124int ssl_cert_type(X509 *x, EVP_PKEY *pkey); 1125void ssl_set_cert_masks(CERT *c, const SSL_CIPHER *cipher); 1126STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s); 1127int ssl_verify_alarm_type(long type); 1128void ssl_load_ciphers(void); 1129int ssl_fill_hello_random(SSL *s, int server, unsigned char *field, int len); 1130 1131int ssl2_enc_init(SSL *s, int client); 1132int ssl2_generate_key_material(SSL *s); 1133int ssl2_enc(SSL *s, int send_data); 1134void ssl2_mac(SSL *s, unsigned char *mac, int send_data); 1135const SSL_CIPHER *ssl2_get_cipher_by_char(const unsigned char *p); 1136int ssl2_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p); 1137int ssl2_part_read(SSL *s, unsigned long f, int i); 1138int ssl2_do_write(SSL *s); 1139int ssl2_set_certificate(SSL *s, int type, int len, 1140 const unsigned char *data); 1141void ssl2_return_error(SSL *s, int reason); 1142void ssl2_write_error(SSL *s); 1143int ssl2_num_ciphers(void); 1144const SSL_CIPHER *ssl2_get_cipher(unsigned int u); 1145int ssl2_new(SSL *s); 1146void ssl2_free(SSL *s); 1147int ssl2_accept(SSL *s); 1148int ssl2_connect(SSL *s); 1149int ssl2_read(SSL *s, void *buf, int len); 1150int ssl2_peek(SSL *s, void *buf, int len); 1151int ssl2_write(SSL *s, const void *buf, int len); 1152int ssl2_shutdown(SSL *s); 1153void ssl2_clear(SSL *s); 1154long ssl2_ctrl(SSL *s, int cmd, long larg, void *parg); 1155long ssl2_ctx_ctrl(SSL_CTX *s, int cmd, long larg, void *parg); 1156long ssl2_callback_ctrl(SSL *s, int cmd, void (*fp) (void)); 1157long ssl2_ctx_callback_ctrl(SSL_CTX *s, int cmd, void (*fp) (void)); 1158int ssl2_pending(const SSL *s); 1159long ssl2_default_timeout(void); 1160 1161const SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p); 1162int ssl3_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p); 1163int ssl3_init_finished_mac(SSL *s); 1164int ssl3_send_server_certificate(SSL *s); 1165int ssl3_send_newsession_ticket(SSL *s); 1166int ssl3_send_cert_status(SSL *s); 1167int ssl3_get_finished(SSL *s, int state_a, int state_b); 1168int ssl3_setup_key_block(SSL *s); 1169int ssl3_send_change_cipher_spec(SSL *s, int state_a, int state_b); 1170int ssl3_change_cipher_state(SSL *s, int which); 1171void ssl3_cleanup_key_block(SSL *s); 1172int ssl3_do_write(SSL *s, int type); 1173int ssl3_send_alert(SSL *s, int level, int desc); 1174int ssl3_generate_master_secret(SSL *s, unsigned char *out, 1175 unsigned char *p, int len); 1176int ssl3_get_req_cert_type(SSL *s, unsigned char *p); 1177long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok); 1178int ssl3_send_finished(SSL *s, int a, int b, const char *sender, int slen); 1179int ssl3_num_ciphers(void); 1180const SSL_CIPHER *ssl3_get_cipher(unsigned int u); 1181int ssl3_renegotiate(SSL *ssl); 1182int ssl3_renegotiate_check(SSL *ssl); 1183int ssl3_dispatch_alert(SSL *s); 1184int ssl3_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek); 1185int ssl3_write_bytes(SSL *s, int type, const void *buf, int len); 1186int ssl3_final_finish_mac(SSL *s, const char *sender, int slen, 1187 unsigned char *p); 1188int ssl3_cert_verify_mac(SSL *s, int md_nid, unsigned char *p); 1189void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len); 1190int ssl3_enc(SSL *s, int send_data); 1191int n_ssl3_mac(SSL *ssl, unsigned char *md, int send_data); 1192void ssl3_free_digest_list(SSL *s); 1193unsigned long ssl3_output_cert_chain(SSL *s, CERT_PKEY *cpk); 1194SSL_CIPHER *ssl3_choose_cipher(SSL *ssl, STACK_OF(SSL_CIPHER) *clnt, 1195 STACK_OF(SSL_CIPHER) *srvr); 1196int ssl3_setup_buffers(SSL *s); 1197int ssl3_setup_read_buffer(SSL *s); 1198int ssl3_setup_write_buffer(SSL *s); 1199int ssl3_release_read_buffer(SSL *s); 1200int ssl3_release_write_buffer(SSL *s); 1201int ssl3_digest_cached_records(SSL *s); 1202int ssl3_new(SSL *s); 1203void ssl3_free(SSL *s); 1204int ssl3_accept(SSL *s); 1205int ssl3_connect(SSL *s); 1206int ssl3_read(SSL *s, void *buf, int len); 1207int ssl3_peek(SSL *s, void *buf, int len); 1208int ssl3_write(SSL *s, const void *buf, int len); 1209int ssl3_shutdown(SSL *s); 1210void ssl3_clear(SSL *s); 1211long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg); 1212long ssl3_ctx_ctrl(SSL_CTX *s, int cmd, long larg, void *parg); 1213long ssl3_callback_ctrl(SSL *s, int cmd, void (*fp) (void)); 1214long ssl3_ctx_callback_ctrl(SSL_CTX *s, int cmd, void (*fp) (void)); 1215int ssl3_pending(const SSL *s); 1216 1217void ssl3_record_sequence_update(unsigned char *seq); 1218int ssl3_do_change_cipher_spec(SSL *ssl); 1219long ssl3_default_timeout(void); 1220 1221void ssl3_set_handshake_header(SSL *s, int htype, unsigned long len); 1222int ssl3_handshake_write(SSL *s); 1223 1224int ssl23_num_ciphers(void); 1225const SSL_CIPHER *ssl23_get_cipher(unsigned int u); 1226int ssl23_read(SSL *s, void *buf, int len); 1227int ssl23_peek(SSL *s, void *buf, int len); 1228int ssl23_write(SSL *s, const void *buf, int len); 1229int ssl23_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p); 1230const SSL_CIPHER *ssl23_get_cipher_by_char(const unsigned char *p); 1231long ssl23_default_timeout(void); 1232 1233long tls1_default_timeout(void); 1234int dtls1_do_write(SSL *s, int type); 1235int ssl3_read_n(SSL *s, int n, int max, int extend); 1236int dtls1_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek); 1237int ssl3_do_compress(SSL *ssl); 1238int ssl3_do_uncompress(SSL *ssl); 1239int ssl3_write_pending(SSL *s, int type, const unsigned char *buf, 1240 unsigned int len); 1241unsigned char *dtls1_set_message_header(SSL *s, 1242 unsigned char *p, unsigned char mt, 1243 unsigned long len, 1244 unsigned long frag_off, 1245 unsigned long frag_len); 1246 1247int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf, int len); 1248int dtls1_write_bytes(SSL *s, int type, const void *buf, int len); 1249 1250int dtls1_send_change_cipher_spec(SSL *s, int a, int b); 1251int dtls1_read_failed(SSL *s, int code); 1252int dtls1_buffer_message(SSL *s, int ccs); 1253int dtls1_retransmit_message(SSL *s, unsigned short seq, 1254 unsigned long frag_off, int *found); 1255int dtls1_get_queue_priority(unsigned short seq, int is_ccs); 1256int dtls1_retransmit_buffered_messages(SSL *s); 1257void dtls1_clear_received_buffer(SSL *s); 1258void dtls1_clear_sent_buffer(SSL *s); 1259void dtls1_get_message_header(unsigned char *data, 1260 struct hm_header_st *msg_hdr); 1261void dtls1_get_ccs_header(unsigned char *data, struct ccs_header_st *ccs_hdr); 1262void dtls1_reset_seq_numbers(SSL *s, int rw); 1263long dtls1_default_timeout(void); 1264struct timeval *dtls1_get_timeout(SSL *s, struct timeval *timeleft); 1265int dtls1_check_timeout_num(SSL *s); 1266int dtls1_handle_timeout(SSL *s); 1267const SSL_CIPHER *dtls1_get_cipher(unsigned int u); 1268void dtls1_start_timer(SSL *s); 1269void dtls1_stop_timer(SSL *s); 1270int dtls1_is_timer_expired(SSL *s); 1271void dtls1_double_timeout(SSL *s); 1272int dtls1_send_newsession_ticket(SSL *s); 1273unsigned int dtls1_min_mtu(SSL *s); 1274unsigned int dtls1_link_min_mtu(void); 1275void dtls1_hm_fragment_free(hm_fragment *frag); 1276 1277/* some client-only functions */ 1278int ssl3_client_hello(SSL *s); 1279int ssl3_get_server_hello(SSL *s); 1280int ssl3_get_certificate_request(SSL *s); 1281int ssl3_get_new_session_ticket(SSL *s); 1282int ssl3_get_cert_status(SSL *s); 1283int ssl3_get_server_done(SSL *s); 1284int ssl3_send_client_verify(SSL *s); 1285int ssl3_send_client_certificate(SSL *s); 1286int ssl_do_client_cert_cb(SSL *s, X509 **px509, EVP_PKEY **ppkey); 1287int ssl3_send_client_key_exchange(SSL *s); 1288int ssl3_get_key_exchange(SSL *s); 1289int ssl3_get_server_certificate(SSL *s); 1290int ssl3_check_cert_and_algorithm(SSL *s); 1291# ifndef OPENSSL_NO_TLSEXT 1292# ifndef OPENSSL_NO_NEXTPROTONEG 1293int ssl3_send_next_proto(SSL *s); 1294# endif 1295# endif 1296 1297int dtls1_client_hello(SSL *s); 1298 1299/* some server-only functions */ 1300int ssl3_get_client_hello(SSL *s); 1301int ssl3_send_server_hello(SSL *s); 1302int ssl3_send_hello_request(SSL *s); 1303int ssl3_send_server_key_exchange(SSL *s); 1304int ssl3_send_certificate_request(SSL *s); 1305int ssl3_send_server_done(SSL *s); 1306int ssl3_get_client_certificate(SSL *s); 1307int ssl3_get_client_key_exchange(SSL *s); 1308int ssl3_get_cert_verify(SSL *s); 1309# ifndef OPENSSL_NO_NEXTPROTONEG 1310int ssl3_get_next_proto(SSL *s); 1311# endif 1312 1313int ssl23_accept(SSL *s); 1314int ssl23_connect(SSL *s); 1315int ssl23_read_bytes(SSL *s, int n); 1316int ssl23_write_bytes(SSL *s); 1317 1318int tls1_new(SSL *s); 1319void tls1_free(SSL *s); 1320void tls1_clear(SSL *s); 1321long tls1_ctrl(SSL *s, int cmd, long larg, void *parg); 1322long tls1_callback_ctrl(SSL *s, int cmd, void (*fp) (void)); 1323 1324int dtls1_new(SSL *s); 1325int dtls1_accept(SSL *s); 1326int dtls1_connect(SSL *s); 1327void dtls1_free(SSL *s); 1328void dtls1_clear(SSL *s); 1329long dtls1_ctrl(SSL *s, int cmd, long larg, void *parg); 1330int dtls1_shutdown(SSL *s); 1331 1332long dtls1_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok); 1333int dtls1_get_record(SSL *s); 1334int do_dtls1_write(SSL *s, int type, const unsigned char *buf, 1335 unsigned int len, int create_empty_fragement); 1336int dtls1_dispatch_alert(SSL *s); 1337 1338int ssl_init_wbio_buffer(SSL *s, int push); 1339void ssl_free_wbio_buffer(SSL *s); 1340 1341int tls1_change_cipher_state(SSL *s, int which); 1342int tls1_setup_key_block(SSL *s); 1343int tls1_enc(SSL *s, int snd); 1344int tls1_final_finish_mac(SSL *s, 1345 const char *str, int slen, unsigned char *p); 1346int tls1_cert_verify_mac(SSL *s, int md_nid, unsigned char *p); 1347int tls1_mac(SSL *ssl, unsigned char *md, int snd); 1348int tls1_generate_master_secret(SSL *s, unsigned char *out, 1349 unsigned char *p, int len); 1350int tls1_export_keying_material(SSL *s, unsigned char *out, size_t olen, 1351 const char *label, size_t llen, 1352 const unsigned char *p, size_t plen, 1353 int use_context); 1354int tls1_alert_code(int code); 1355int ssl3_alert_code(int code); 1356int ssl_ok(SSL *s); 1357 1358# ifndef OPENSSL_NO_ECDH 1359int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s); 1360# endif 1361 1362SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n); 1363 1364# ifndef OPENSSL_NO_EC 1365int tls1_ec_curve_id2nid(int curve_id); 1366int tls1_ec_nid2curve_id(int nid); 1367int tls1_check_curve(SSL *s, const unsigned char *p, size_t len); 1368int tls1_shared_curve(SSL *s, int nmatch); 1369int tls1_set_curves(unsigned char **pext, size_t *pextlen, 1370 int *curves, size_t ncurves); 1371int tls1_set_curves_list(unsigned char **pext, size_t *pextlen, 1372 const char *str); 1373# ifndef OPENSSL_NO_ECDH 1374int tls1_check_ec_tmp_key(SSL *s, unsigned long id); 1375# endif /* OPENSSL_NO_ECDH */ 1376# endif /* OPENSSL_NO_EC */ 1377 1378# ifndef OPENSSL_NO_TLSEXT 1379int tls1_shared_list(SSL *s, 1380 const unsigned char *l1, size_t l1len, 1381 const unsigned char *l2, size_t l2len, int nmatch); 1382unsigned char *ssl_add_clienthello_tlsext(SSL *s, unsigned char *buf, 1383 unsigned char *limit, int *al); 1384unsigned char *ssl_add_serverhello_tlsext(SSL *s, unsigned char *buf, 1385 unsigned char *limit, int *al); 1386int ssl_parse_clienthello_tlsext(SSL *s, unsigned char **data, 1387 unsigned char *limit); 1388int tls1_set_server_sigalgs(SSL *s); 1389int ssl_check_clienthello_tlsext_late(SSL *s, int *al); 1390int ssl_parse_serverhello_tlsext(SSL *s, unsigned char **data, 1391 unsigned char *d, int n); 1392int ssl_prepare_clienthello_tlsext(SSL *s); 1393int ssl_prepare_serverhello_tlsext(SSL *s); 1394 1395# ifndef OPENSSL_NO_HEARTBEATS 1396int tls1_heartbeat(SSL *s); 1397int dtls1_heartbeat(SSL *s); 1398int tls1_process_heartbeat(SSL *s); 1399int dtls1_process_heartbeat(SSL *s); 1400# endif 1401 1402# ifdef OPENSSL_NO_SHA256 1403# define tlsext_tick_md EVP_sha1 1404# else 1405# define tlsext_tick_md EVP_sha256 1406# endif 1407int tls1_process_ticket(SSL *s, unsigned char *session_id, int len, 1408 const unsigned char *limit, SSL_SESSION **ret); 1409 1410int tls12_get_sigandhash(unsigned char *p, const EVP_PKEY *pk, 1411 const EVP_MD *md); 1412int tls12_get_sigid(const EVP_PKEY *pk); 1413const EVP_MD *tls12_get_hash(unsigned char hash_alg); 1414 1415int tls1_set_sigalgs_list(CERT *c, const char *str, int client); 1416int tls1_set_sigalgs(CERT *c, const int *salg, size_t salglen, int client); 1417int tls1_check_chain(SSL *s, X509 *x, EVP_PKEY *pk, STACK_OF(X509) *chain, 1418 int idx); 1419void tls1_set_cert_validity(SSL *s); 1420 1421# endif 1422EVP_MD_CTX *ssl_replace_hash(EVP_MD_CTX **hash, const EVP_MD *md); 1423void ssl_clear_hash_ctx(EVP_MD_CTX **hash); 1424int ssl_add_serverhello_renegotiate_ext(SSL *s, unsigned char *p, int *len, 1425 int maxlen); 1426int ssl_parse_serverhello_renegotiate_ext(SSL *s, unsigned char *d, int len, 1427 int *al); 1428int ssl_add_clienthello_renegotiate_ext(SSL *s, unsigned char *p, int *len, 1429 int maxlen); 1430int ssl_parse_clienthello_renegotiate_ext(SSL *s, unsigned char *d, int len, 1431 int *al); 1432long ssl_get_algorithm2(SSL *s); 1433int tls1_save_sigalgs(SSL *s, const unsigned char *data, int dsize); 1434int tls1_process_sigalgs(SSL *s); 1435size_t tls12_get_psigalgs(SSL *s, int sent, const unsigned char **psigs); 1436int tls12_check_peer_sigalg(const EVP_MD **pmd, SSL *s, 1437 const unsigned char *sig, EVP_PKEY *pkey); 1438void ssl_set_client_disabled(SSL *s); 1439 1440int ssl_add_clienthello_use_srtp_ext(SSL *s, unsigned char *p, int *len, 1441 int maxlen); 1442int ssl_parse_clienthello_use_srtp_ext(SSL *s, unsigned char *d, int len, 1443 int *al); 1444int ssl_add_serverhello_use_srtp_ext(SSL *s, unsigned char *p, int *len, 1445 int maxlen); 1446int ssl_parse_serverhello_use_srtp_ext(SSL *s, unsigned char *d, int len, 1447 int *al); 1448 1449/* s3_cbc.c */ 1450void ssl3_cbc_copy_mac(unsigned char *out, 1451 const SSL3_RECORD *rec, 1452 unsigned md_size, unsigned orig_len); 1453int ssl3_cbc_remove_padding(const SSL *s, 1454 SSL3_RECORD *rec, 1455 unsigned block_size, unsigned mac_size); 1456int tls1_cbc_remove_padding(const SSL *s, 1457 SSL3_RECORD *rec, 1458 unsigned block_size, unsigned mac_size); 1459char ssl3_cbc_record_digest_supported(const EVP_MD_CTX *ctx); 1460int ssl3_cbc_digest_record(const EVP_MD_CTX *ctx, 1461 unsigned char *md_out, 1462 size_t *md_out_size, 1463 const unsigned char header[13], 1464 const unsigned char *data, 1465 size_t data_plus_mac_size, 1466 size_t data_plus_mac_plus_padding_size, 1467 const unsigned char *mac_secret, 1468 unsigned mac_secret_length, char is_sslv3); 1469 1470void tls_fips_digest_extra(const EVP_CIPHER_CTX *cipher_ctx, 1471 EVP_MD_CTX *mac_ctx, const unsigned char *data, 1472 size_t data_len, size_t orig_len); 1473 1474int srp_verify_server_param(SSL *s, int *al); 1475 1476/* t1_ext.c */ 1477 1478void custom_ext_init(custom_ext_methods *meths); 1479 1480int custom_ext_parse(SSL *s, int server, 1481 unsigned int ext_type, 1482 const unsigned char *ext_data, size_t ext_size, int *al); 1483int custom_ext_add(SSL *s, int server, 1484 unsigned char **pret, unsigned char *limit, int *al); 1485 1486int custom_exts_copy(custom_ext_methods *dst, const custom_ext_methods *src); 1487int custom_exts_copy_flags(custom_ext_methods *dst, 1488 const custom_ext_methods *src); 1489void custom_exts_free(custom_ext_methods *exts); 1490 1491# else 1492 1493# define ssl_init_wbio_buffer SSL_test_functions()->p_ssl_init_wbio_buffer 1494# define ssl3_setup_buffers SSL_test_functions()->p_ssl3_setup_buffers 1495# define tls1_process_heartbeat SSL_test_functions()->p_tls1_process_heartbeat 1496# define dtls1_process_heartbeat SSL_test_functions()->p_dtls1_process_heartbeat 1497 1498# endif 1499#endif 1500