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 439 440/* we have used 000001ff - 23 bits left to go */ 441 442/*- 443 * Macros to check the export status and cipher strength for export ciphers. 444 * Even though the macros for EXPORT and EXPORT40/56 have similar names, 445 * their meaning is different: 446 * *_EXPORT macros check the 'exportable' status. 447 * *_EXPORT40/56 macros are used to check whether a certain cipher strength 448 * is given. 449 * Since the SSL_IS_EXPORT* and SSL_EXPORT* macros depend on the correct 450 * algorithm structure element to be passed (algorithms, algo_strength) and no 451 * typechecking can be done as they are all of type unsigned long, their 452 * direct usage is discouraged. 453 * Use the SSL_C_* macros instead. 454 */ 455# define SSL_IS_EXPORT(a) ((a)&SSL_EXPORT) 456# define SSL_IS_EXPORT56(a) ((a)&SSL_EXP56) 457# define SSL_IS_EXPORT40(a) ((a)&SSL_EXP40) 458# define SSL_C_IS_EXPORT(c) SSL_IS_EXPORT((c)->algo_strength) 459# define SSL_C_IS_EXPORT56(c) SSL_IS_EXPORT56((c)->algo_strength) 460# define SSL_C_IS_EXPORT40(c) SSL_IS_EXPORT40((c)->algo_strength) 461 462# define SSL_EXPORT_KEYLENGTH(a,s) (SSL_IS_EXPORT40(s) ? 5 : \ 463 (a) == SSL_DES ? 8 : 7) 464# define SSL_EXPORT_PKEYLENGTH(a) (SSL_IS_EXPORT40(a) ? 512 : 1024) 465# define SSL_C_EXPORT_KEYLENGTH(c) SSL_EXPORT_KEYLENGTH((c)->algorithm_enc, \ 466 (c)->algo_strength) 467# define SSL_C_EXPORT_PKEYLENGTH(c) SSL_EXPORT_PKEYLENGTH((c)->algo_strength) 468 469/* Check if an SSL structure is using DTLS */ 470# define SSL_IS_DTLS(s) (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_DTLS) 471/* See if we need explicit IV */ 472# define SSL_USE_EXPLICIT_IV(s) \ 473 (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_EXPLICIT_IV) 474/* 475 * See if we use signature algorithms extension and signature algorithm 476 * before signatures. 477 */ 478# define SSL_USE_SIGALGS(s) \ 479 (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_SIGALGS) 480/* 481 * Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2: may 482 * apply to others in future. 483 */ 484# define SSL_USE_TLS1_2_CIPHERS(s) \ 485 (s->method->ssl3_enc->enc_flags & SSL_ENC_FLAG_TLS1_2_CIPHERS) 486/* 487 * Determine if a client can use TLS 1.2 ciphersuites: can't rely on method 488 * flags because it may not be set to correct version yet. 489 */ 490# define SSL_CLIENT_USE_TLS1_2_CIPHERS(s) \ 491 ((SSL_IS_DTLS(s) && s->client_version <= DTLS1_2_VERSION) || \ 492 (!SSL_IS_DTLS(s) && s->client_version >= TLS1_2_VERSION)) 493 494/* Mostly for SSLv3 */ 495# define SSL_PKEY_RSA_ENC 0 496# define SSL_PKEY_RSA_SIGN 1 497# define SSL_PKEY_DSA_SIGN 2 498# define SSL_PKEY_DH_RSA 3 499# define SSL_PKEY_DH_DSA 4 500# define SSL_PKEY_ECC 5 501# define SSL_PKEY_GOST94 6 502# define SSL_PKEY_GOST01 7 503# define SSL_PKEY_NUM 8 504 505/*- 506 * SSL_kRSA <- RSA_ENC | (RSA_TMP & RSA_SIGN) | 507 * <- (EXPORT & (RSA_ENC | RSA_TMP) & RSA_SIGN) 508 * SSL_kDH <- DH_ENC & (RSA_ENC | RSA_SIGN | DSA_SIGN) 509 * SSL_kEDH <- RSA_ENC | RSA_SIGN | DSA_SIGN 510 * SSL_aRSA <- RSA_ENC | RSA_SIGN 511 * SSL_aDSS <- DSA_SIGN 512 */ 513 514/*- 515#define CERT_INVALID 0 516#define CERT_PUBLIC_KEY 1 517#define CERT_PRIVATE_KEY 2 518*/ 519 520# ifndef OPENSSL_NO_EC 521/* 522 * From ECC-TLS draft, used in encoding the curve type in ECParameters 523 */ 524# define EXPLICIT_PRIME_CURVE_TYPE 1 525# define EXPLICIT_CHAR2_CURVE_TYPE 2 526# define NAMED_CURVE_TYPE 3 527# endif /* OPENSSL_NO_EC */ 528 529typedef struct cert_pkey_st { 530 X509 *x509; 531 EVP_PKEY *privatekey; 532 /* Digest to use when signing */ 533 const EVP_MD *digest; 534 /* Chain for this certificate */ 535 STACK_OF(X509) *chain; 536# ifndef OPENSSL_NO_TLSEXT 537 /*- 538 * serverinfo data for this certificate. The data is in TLS Extension 539 * wire format, specifically it's a series of records like: 540 * uint16_t extension_type; // (RFC 5246, 7.4.1.4, Extension) 541 * uint16_t length; 542 * uint8_t data[length]; 543 */ 544 unsigned char *serverinfo; 545 size_t serverinfo_length; 546# endif 547 /* 548 * Set if CERT_PKEY can be used with current SSL session: e.g. 549 * appropriate curve, signature algorithms etc. If zero it can't be used 550 * at all. 551 */ 552 int valid_flags; 553} CERT_PKEY; 554/* Retrieve Suite B flags */ 555# define tls1_suiteb(s) (s->cert->cert_flags & SSL_CERT_FLAG_SUITEB_128_LOS) 556/* Uses to check strict mode: suite B modes are always strict */ 557# define SSL_CERT_FLAGS_CHECK_TLS_STRICT \ 558 (SSL_CERT_FLAG_SUITEB_128_LOS|SSL_CERT_FLAG_TLS_STRICT) 559 560typedef struct { 561 unsigned short ext_type; 562 /* 563 * Per-connection flags relating to this extension type: not used if 564 * part of an SSL_CTX structure. 565 */ 566 unsigned short ext_flags; 567 custom_ext_add_cb add_cb; 568 custom_ext_free_cb free_cb; 569 void *add_arg; 570 custom_ext_parse_cb parse_cb; 571 void *parse_arg; 572} custom_ext_method; 573 574/* ext_flags values */ 575 576/* 577 * Indicates an extension has been received. Used to check for unsolicited or 578 * duplicate extensions. 579 */ 580# define SSL_EXT_FLAG_RECEIVED 0x1 581/* 582 * Indicates an extension has been sent: used to enable sending of 583 * corresponding ServerHello extension. 584 */ 585# define SSL_EXT_FLAG_SENT 0x2 586 587typedef struct { 588 custom_ext_method *meths; 589 size_t meths_count; 590} custom_ext_methods; 591 592typedef struct cert_st { 593 /* Current active set */ 594 /* 595 * ALWAYS points to an element of the pkeys array 596 * Probably it would make more sense to store 597 * an index, not a pointer. 598 */ 599 CERT_PKEY *key; 600 /* 601 * For servers the following masks are for the key and auth algorithms 602 * that are supported by the certs below. For clients they are masks of 603 * *disabled* algorithms based on the current session. 604 */ 605 int valid; 606 unsigned long mask_k; 607 unsigned long mask_a; 608 unsigned long export_mask_k; 609 unsigned long export_mask_a; 610 /* Client only */ 611 unsigned long mask_ssl; 612# ifndef OPENSSL_NO_RSA 613 RSA *rsa_tmp; 614 RSA *(*rsa_tmp_cb) (SSL *ssl, int is_export, int keysize); 615# endif 616# ifndef OPENSSL_NO_DH 617 DH *dh_tmp; 618 DH *(*dh_tmp_cb) (SSL *ssl, int is_export, int keysize); 619# endif 620# ifndef OPENSSL_NO_ECDH 621 EC_KEY *ecdh_tmp; 622 /* Callback for generating ephemeral ECDH keys */ 623 EC_KEY *(*ecdh_tmp_cb) (SSL *ssl, int is_export, int keysize); 624 /* Select ECDH parameters automatically */ 625 int ecdh_tmp_auto; 626# endif 627 /* Flags related to certificates */ 628 unsigned int cert_flags; 629 CERT_PKEY pkeys[SSL_PKEY_NUM]; 630 /* 631 * Certificate types (received or sent) in certificate request message. 632 * On receive this is only set if number of certificate types exceeds 633 * SSL3_CT_NUMBER. 634 */ 635 unsigned char *ctypes; 636 size_t ctype_num; 637 /* 638 * signature algorithms peer reports: e.g. supported signature algorithms 639 * extension for server or as part of a certificate request for client. 640 */ 641 unsigned char *peer_sigalgs; 642 /* Size of above array */ 643 size_t peer_sigalgslen; 644 /* 645 * suppported signature algorithms. When set on a client this is sent in 646 * the client hello as the supported signature algorithms extension. For 647 * servers it represents the signature algorithms we are willing to use. 648 */ 649 unsigned char *conf_sigalgs; 650 /* Size of above array */ 651 size_t conf_sigalgslen; 652 /* 653 * Client authentication signature algorithms, if not set then uses 654 * conf_sigalgs. On servers these will be the signature algorithms sent 655 * to the client in a cerificate request for TLS 1.2. On a client this 656 * represents the signature algortithms we are willing to use for client 657 * authentication. 658 */ 659 unsigned char *client_sigalgs; 660 /* Size of above array */ 661 size_t client_sigalgslen; 662 /* 663 * Signature algorithms shared by client and server: cached because these 664 * are used most often. 665 */ 666 TLS_SIGALGS *shared_sigalgs; 667 size_t shared_sigalgslen; 668 /* 669 * Certificate setup callback: if set is called whenever a certificate 670 * may be required (client or server). the callback can then examine any 671 * appropriate parameters and setup any certificates required. This 672 * allows advanced applications to select certificates on the fly: for 673 * example based on supported signature algorithms or curves. 674 */ 675 int (*cert_cb) (SSL *ssl, void *arg); 676 void *cert_cb_arg; 677 /* 678 * Optional X509_STORE for chain building or certificate validation If 679 * NULL the parent SSL_CTX store is used instead. 680 */ 681 X509_STORE *chain_store; 682 X509_STORE *verify_store; 683 /* Raw values of the cipher list from a client */ 684 unsigned char *ciphers_raw; 685 size_t ciphers_rawlen; 686 /* Custom extension methods for server and client */ 687 custom_ext_methods cli_ext; 688 custom_ext_methods srv_ext; 689 int references; /* >1 only if SSL_copy_session_id is used */ 690} CERT; 691 692typedef struct sess_cert_st { 693 STACK_OF(X509) *cert_chain; /* as received from peer (not for SSL2) */ 694 /* The 'peer_...' members are used only by clients. */ 695 int peer_cert_type; 696 CERT_PKEY *peer_key; /* points to an element of peer_pkeys (never 697 * NULL!) */ 698 CERT_PKEY peer_pkeys[SSL_PKEY_NUM]; 699 /* 700 * Obviously we don't have the private keys of these, so maybe we 701 * shouldn't even use the CERT_PKEY type here. 702 */ 703# ifndef OPENSSL_NO_RSA 704 RSA *peer_rsa_tmp; /* not used for SSL 2 */ 705# endif 706# ifndef OPENSSL_NO_DH 707 DH *peer_dh_tmp; /* not used for SSL 2 */ 708# endif 709# ifndef OPENSSL_NO_ECDH 710 EC_KEY *peer_ecdh_tmp; 711# endif 712 int references; /* actually always 1 at the moment */ 713} SESS_CERT; 714/* Structure containing decoded values of signature algorithms extension */ 715struct tls_sigalgs_st { 716 /* NID of hash algorithm */ 717 int hash_nid; 718 /* NID of signature algorithm */ 719 int sign_nid; 720 /* Combined hash and signature NID */ 721 int signandhash_nid; 722 /* Raw values used in extension */ 723 unsigned char rsign; 724 unsigned char rhash; 725}; 726 727/* 728 * #define MAC_DEBUG 729 */ 730 731/* 732 * #define ERR_DEBUG 733 */ 734/* 735 * #define ABORT_DEBUG 736 */ 737/* 738 * #define PKT_DEBUG 1 739 */ 740/* 741 * #define DES_DEBUG 742 */ 743/* 744 * #define DES_OFB_DEBUG 745 */ 746/* 747 * #define SSL_DEBUG 748 */ 749/* 750 * #define RSA_DEBUG 751 */ 752/* 753 * #define IDEA_DEBUG 754 */ 755 756# define FP_ICC (int (*)(const void *,const void *)) 757# define ssl_put_cipher_by_char(ssl,ciph,ptr) \ 758 ((ssl)->method->put_cipher_by_char((ciph),(ptr))) 759 760/* 761 * This is for the SSLv3/TLSv1.0 differences in crypto/hash stuff It is a bit 762 * of a mess of functions, but hell, think of it as an opaque structure :-) 763 */ 764typedef struct ssl3_enc_method { 765 int (*enc) (SSL *, int); 766 int (*mac) (SSL *, unsigned char *, int); 767 int (*setup_key_block) (SSL *); 768 int (*generate_master_secret) (SSL *, unsigned char *, unsigned char *, 769 int); 770 int (*change_cipher_state) (SSL *, int); 771 int (*final_finish_mac) (SSL *, const char *, int, unsigned char *); 772 int finish_mac_length; 773 int (*cert_verify_mac) (SSL *, int, unsigned char *); 774 const char *client_finished_label; 775 int client_finished_label_len; 776 const char *server_finished_label; 777 int server_finished_label_len; 778 int (*alert_value) (int); 779 int (*export_keying_material) (SSL *, unsigned char *, size_t, 780 const char *, size_t, 781 const unsigned char *, size_t, 782 int use_context); 783 /* Various flags indicating protocol version requirements */ 784 unsigned int enc_flags; 785 /* Handshake header length */ 786 unsigned int hhlen; 787 /* Set the handshake header */ 788 void (*set_handshake_header) (SSL *s, int type, unsigned long len); 789 /* Write out handshake message */ 790 int (*do_write) (SSL *s); 791} SSL3_ENC_METHOD; 792 793# define SSL_HM_HEADER_LENGTH(s) s->method->ssl3_enc->hhlen 794# define ssl_handshake_start(s) \ 795 (((unsigned char *)s->init_buf->data) + s->method->ssl3_enc->hhlen) 796# define ssl_set_handshake_header(s, htype, len) \ 797 s->method->ssl3_enc->set_handshake_header(s, htype, len) 798# define ssl_do_write(s) s->method->ssl3_enc->do_write(s) 799 800/* Values for enc_flags */ 801 802/* Uses explicit IV for CBC mode */ 803# define SSL_ENC_FLAG_EXPLICIT_IV 0x1 804/* Uses signature algorithms extension */ 805# define SSL_ENC_FLAG_SIGALGS 0x2 806/* Uses SHA256 default PRF */ 807# define SSL_ENC_FLAG_SHA256_PRF 0x4 808/* Is DTLS */ 809# define SSL_ENC_FLAG_DTLS 0x8 810/* 811 * Allow TLS 1.2 ciphersuites: applies to DTLS 1.2 as well as TLS 1.2: may 812 * apply to others in future. 813 */ 814# define SSL_ENC_FLAG_TLS1_2_CIPHERS 0x10 815 816# ifndef OPENSSL_NO_COMP 817/* Used for holding the relevant compression methods loaded into SSL_CTX */ 818typedef struct ssl3_comp_st { 819 int comp_id; /* The identifier byte for this compression 820 * type */ 821 char *name; /* Text name used for the compression type */ 822 COMP_METHOD *method; /* The method :-) */ 823} SSL3_COMP; 824# endif 825 826# ifndef OPENSSL_NO_BUF_FREELISTS 827typedef struct ssl3_buf_freelist_st { 828 size_t chunklen; 829 unsigned int len; 830 struct ssl3_buf_freelist_entry_st *head; 831} SSL3_BUF_FREELIST; 832 833typedef struct ssl3_buf_freelist_entry_st { 834 struct ssl3_buf_freelist_entry_st *next; 835} SSL3_BUF_FREELIST_ENTRY; 836# endif 837 838extern SSL3_ENC_METHOD ssl3_undef_enc_method; 839OPENSSL_EXTERN const SSL_CIPHER ssl2_ciphers[]; 840OPENSSL_EXTERN SSL_CIPHER ssl3_ciphers[]; 841 842SSL_METHOD *ssl_bad_method(int ver); 843 844extern SSL3_ENC_METHOD TLSv1_enc_data; 845extern SSL3_ENC_METHOD TLSv1_1_enc_data; 846extern SSL3_ENC_METHOD TLSv1_2_enc_data; 847extern SSL3_ENC_METHOD SSLv3_enc_data; 848extern SSL3_ENC_METHOD DTLSv1_enc_data; 849extern SSL3_ENC_METHOD DTLSv1_2_enc_data; 850 851# define IMPLEMENT_tls_meth_func(version, func_name, s_accept, s_connect, \ 852 s_get_meth, enc_data) \ 853const SSL_METHOD *func_name(void) \ 854 { \ 855 static const SSL_METHOD func_name##_data= { \ 856 version, \ 857 tls1_new, \ 858 tls1_clear, \ 859 tls1_free, \ 860 s_accept, \ 861 s_connect, \ 862 ssl3_read, \ 863 ssl3_peek, \ 864 ssl3_write, \ 865 ssl3_shutdown, \ 866 ssl3_renegotiate, \ 867 ssl3_renegotiate_check, \ 868 ssl3_get_message, \ 869 ssl3_read_bytes, \ 870 ssl3_write_bytes, \ 871 ssl3_dispatch_alert, \ 872 ssl3_ctrl, \ 873 ssl3_ctx_ctrl, \ 874 ssl3_get_cipher_by_char, \ 875 ssl3_put_cipher_by_char, \ 876 ssl3_pending, \ 877 ssl3_num_ciphers, \ 878 ssl3_get_cipher, \ 879 s_get_meth, \ 880 tls1_default_timeout, \ 881 &enc_data, \ 882 ssl_undefined_void_function, \ 883 ssl3_callback_ctrl, \ 884 ssl3_ctx_callback_ctrl, \ 885 }; \ 886 return &func_name##_data; \ 887 } 888 889# define IMPLEMENT_ssl3_meth_func(func_name, s_accept, s_connect, s_get_meth) \ 890const SSL_METHOD *func_name(void) \ 891 { \ 892 static const SSL_METHOD func_name##_data= { \ 893 SSL3_VERSION, \ 894 ssl3_new, \ 895 ssl3_clear, \ 896 ssl3_free, \ 897 s_accept, \ 898 s_connect, \ 899 ssl3_read, \ 900 ssl3_peek, \ 901 ssl3_write, \ 902 ssl3_shutdown, \ 903 ssl3_renegotiate, \ 904 ssl3_renegotiate_check, \ 905 ssl3_get_message, \ 906 ssl3_read_bytes, \ 907 ssl3_write_bytes, \ 908 ssl3_dispatch_alert, \ 909 ssl3_ctrl, \ 910 ssl3_ctx_ctrl, \ 911 ssl3_get_cipher_by_char, \ 912 ssl3_put_cipher_by_char, \ 913 ssl3_pending, \ 914 ssl3_num_ciphers, \ 915 ssl3_get_cipher, \ 916 s_get_meth, \ 917 ssl3_default_timeout, \ 918 &SSLv3_enc_data, \ 919 ssl_undefined_void_function, \ 920 ssl3_callback_ctrl, \ 921 ssl3_ctx_callback_ctrl, \ 922 }; \ 923 return &func_name##_data; \ 924 } 925 926# define IMPLEMENT_ssl23_meth_func(func_name, s_accept, s_connect, s_get_meth) \ 927const SSL_METHOD *func_name(void) \ 928 { \ 929 static const SSL_METHOD func_name##_data= { \ 930 TLS1_2_VERSION, \ 931 tls1_new, \ 932 tls1_clear, \ 933 tls1_free, \ 934 s_accept, \ 935 s_connect, \ 936 ssl23_read, \ 937 ssl23_peek, \ 938 ssl23_write, \ 939 ssl_undefined_function, \ 940 ssl_undefined_function, \ 941 ssl_ok, \ 942 ssl3_get_message, \ 943 ssl3_read_bytes, \ 944 ssl3_write_bytes, \ 945 ssl3_dispatch_alert, \ 946 ssl3_ctrl, \ 947 ssl3_ctx_ctrl, \ 948 ssl23_get_cipher_by_char, \ 949 ssl23_put_cipher_by_char, \ 950 ssl_undefined_const_function, \ 951 ssl23_num_ciphers, \ 952 ssl23_get_cipher, \ 953 s_get_meth, \ 954 ssl23_default_timeout, \ 955 &TLSv1_2_enc_data, \ 956 ssl_undefined_void_function, \ 957 ssl3_callback_ctrl, \ 958 ssl3_ctx_callback_ctrl, \ 959 }; \ 960 return &func_name##_data; \ 961 } 962 963# define IMPLEMENT_ssl2_meth_func(func_name, s_accept, s_connect, s_get_meth) \ 964const SSL_METHOD *func_name(void) \ 965 { \ 966 static const SSL_METHOD func_name##_data= { \ 967 SSL2_VERSION, \ 968 ssl2_new, /* local */ \ 969 ssl2_clear, /* local */ \ 970 ssl2_free, /* local */ \ 971 s_accept, \ 972 s_connect, \ 973 ssl2_read, \ 974 ssl2_peek, \ 975 ssl2_write, \ 976 ssl2_shutdown, \ 977 ssl_ok, /* NULL - renegotiate */ \ 978 ssl_ok, /* NULL - check renegotiate */ \ 979 NULL, /* NULL - ssl_get_message */ \ 980 NULL, /* NULL - ssl_get_record */ \ 981 NULL, /* NULL - ssl_write_bytes */ \ 982 NULL, /* NULL - dispatch_alert */ \ 983 ssl2_ctrl, /* local */ \ 984 ssl2_ctx_ctrl, /* local */ \ 985 ssl2_get_cipher_by_char, \ 986 ssl2_put_cipher_by_char, \ 987 ssl2_pending, \ 988 ssl2_num_ciphers, \ 989 ssl2_get_cipher, \ 990 s_get_meth, \ 991 ssl2_default_timeout, \ 992 &ssl3_undef_enc_method, \ 993 ssl_undefined_void_function, \ 994 ssl2_callback_ctrl, /* local */ \ 995 ssl2_ctx_callback_ctrl, /* local */ \ 996 }; \ 997 return &func_name##_data; \ 998 } 999 1000# define IMPLEMENT_dtls1_meth_func(version, func_name, s_accept, s_connect, \ 1001 s_get_meth, enc_data) \ 1002const SSL_METHOD *func_name(void) \ 1003 { \ 1004 static const SSL_METHOD func_name##_data= { \ 1005 version, \ 1006 dtls1_new, \ 1007 dtls1_clear, \ 1008 dtls1_free, \ 1009 s_accept, \ 1010 s_connect, \ 1011 ssl3_read, \ 1012 ssl3_peek, \ 1013 ssl3_write, \ 1014 dtls1_shutdown, \ 1015 ssl3_renegotiate, \ 1016 ssl3_renegotiate_check, \ 1017 dtls1_get_message, \ 1018 dtls1_read_bytes, \ 1019 dtls1_write_app_data_bytes, \ 1020 dtls1_dispatch_alert, \ 1021 dtls1_ctrl, \ 1022 ssl3_ctx_ctrl, \ 1023 ssl3_get_cipher_by_char, \ 1024 ssl3_put_cipher_by_char, \ 1025 ssl3_pending, \ 1026 ssl3_num_ciphers, \ 1027 dtls1_get_cipher, \ 1028 s_get_meth, \ 1029 dtls1_default_timeout, \ 1030 &enc_data, \ 1031 ssl_undefined_void_function, \ 1032 ssl3_callback_ctrl, \ 1033 ssl3_ctx_callback_ctrl, \ 1034 }; \ 1035 return &func_name##_data; \ 1036 } 1037 1038struct openssl_ssl_test_functions { 1039 int (*p_ssl_init_wbio_buffer) (SSL *s, int push); 1040 int (*p_ssl3_setup_buffers) (SSL *s); 1041 int (*p_tls1_process_heartbeat) (SSL *s); 1042 int (*p_dtls1_process_heartbeat) (SSL *s); 1043}; 1044 1045# ifndef OPENSSL_UNIT_TEST 1046 1047void ssl_clear_cipher_ctx(SSL *s); 1048int ssl_clear_bad_session(SSL *s); 1049CERT *ssl_cert_new(void); 1050CERT *ssl_cert_dup(CERT *cert); 1051void ssl_cert_set_default_md(CERT *cert); 1052int ssl_cert_inst(CERT **o); 1053void ssl_cert_clear_certs(CERT *c); 1054void ssl_cert_free(CERT *c); 1055SESS_CERT *ssl_sess_cert_new(void); 1056void ssl_sess_cert_free(SESS_CERT *sc); 1057int ssl_set_peer_cert_type(SESS_CERT *c, int type); 1058int ssl_get_new_session(SSL *s, int session); 1059int ssl_get_prev_session(SSL *s, unsigned char *session, int len, 1060 const unsigned char *limit); 1061SSL_SESSION *ssl_session_dup(SSL_SESSION *src, int ticket); 1062int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b); 1063DECLARE_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER, ssl_cipher_id); 1064int ssl_cipher_ptr_id_cmp(const SSL_CIPHER *const *ap, 1065 const SSL_CIPHER *const *bp); 1066STACK_OF(SSL_CIPHER) *ssl_bytes_to_cipher_list(SSL *s, unsigned char *p, 1067 int num, 1068 STACK_OF(SSL_CIPHER) **skp); 1069int ssl_cipher_list_to_bytes(SSL *s, STACK_OF(SSL_CIPHER) *sk, 1070 unsigned char *p, 1071 int (*put_cb) (const SSL_CIPHER *, 1072 unsigned char *)); 1073STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *meth, 1074 STACK_OF(SSL_CIPHER) **pref, 1075 STACK_OF(SSL_CIPHER) **sorted, 1076 const char *rule_str, CERT *c); 1077void ssl_update_cache(SSL *s, int mode); 1078int ssl_cipher_get_evp(const SSL_SESSION *s, const EVP_CIPHER **enc, 1079 const EVP_MD **md, int *mac_pkey_type, 1080 int *mac_secret_size, SSL_COMP **comp); 1081int ssl_get_handshake_digest(int i, long *mask, const EVP_MD **md); 1082int ssl_cipher_get_cert_index(const SSL_CIPHER *c); 1083const SSL_CIPHER *ssl_get_cipher_by_char(SSL *ssl, const unsigned char *ptr); 1084int ssl_cert_set0_chain(CERT *c, STACK_OF(X509) *chain); 1085int ssl_cert_set1_chain(CERT *c, STACK_OF(X509) *chain); 1086int ssl_cert_add0_chain_cert(CERT *c, X509 *x); 1087int ssl_cert_add1_chain_cert(CERT *c, X509 *x); 1088int ssl_cert_select_current(CERT *c, X509 *x); 1089int ssl_cert_set_current(CERT *c, long arg); 1090X509 *ssl_cert_get0_next_certificate(CERT *c, int first); 1091void ssl_cert_set_cert_cb(CERT *c, int (*cb) (SSL *ssl, void *arg), 1092 void *arg); 1093 1094int ssl_verify_cert_chain(SSL *s, STACK_OF(X509) *sk); 1095int ssl_add_cert_chain(SSL *s, CERT_PKEY *cpk, unsigned long *l); 1096int ssl_build_cert_chain(CERT *c, X509_STORE *chain_store, int flags); 1097int ssl_cert_set_cert_store(CERT *c, X509_STORE *store, int chain, int ref); 1098int ssl_undefined_function(SSL *s); 1099int ssl_undefined_void_function(void); 1100int ssl_undefined_const_function(const SSL *s); 1101CERT_PKEY *ssl_get_server_send_pkey(const SSL *s); 1102# ifndef OPENSSL_NO_TLSEXT 1103int ssl_get_server_cert_serverinfo(SSL *s, const unsigned char **serverinfo, 1104 size_t *serverinfo_length); 1105# endif 1106EVP_PKEY *ssl_get_sign_pkey(SSL *s, const SSL_CIPHER *c, const EVP_MD **pmd); 1107int ssl_cert_type(X509 *x, EVP_PKEY *pkey); 1108void ssl_set_cert_masks(CERT *c, const SSL_CIPHER *cipher); 1109STACK_OF(SSL_CIPHER) *ssl_get_ciphers_by_id(SSL *s); 1110int ssl_verify_alarm_type(long type); 1111void ssl_load_ciphers(void); 1112int ssl_fill_hello_random(SSL *s, int server, unsigned char *field, int len); 1113 1114int ssl2_enc_init(SSL *s, int client); 1115int ssl2_generate_key_material(SSL *s); 1116int ssl2_enc(SSL *s, int send_data); 1117void ssl2_mac(SSL *s, unsigned char *mac, int send_data); 1118const SSL_CIPHER *ssl2_get_cipher_by_char(const unsigned char *p); 1119int ssl2_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p); 1120int ssl2_part_read(SSL *s, unsigned long f, int i); 1121int ssl2_do_write(SSL *s); 1122int ssl2_set_certificate(SSL *s, int type, int len, 1123 const unsigned char *data); 1124void ssl2_return_error(SSL *s, int reason); 1125void ssl2_write_error(SSL *s); 1126int ssl2_num_ciphers(void); 1127const SSL_CIPHER *ssl2_get_cipher(unsigned int u); 1128int ssl2_new(SSL *s); 1129void ssl2_free(SSL *s); 1130int ssl2_accept(SSL *s); 1131int ssl2_connect(SSL *s); 1132int ssl2_read(SSL *s, void *buf, int len); 1133int ssl2_peek(SSL *s, void *buf, int len); 1134int ssl2_write(SSL *s, const void *buf, int len); 1135int ssl2_shutdown(SSL *s); 1136void ssl2_clear(SSL *s); 1137long ssl2_ctrl(SSL *s, int cmd, long larg, void *parg); 1138long ssl2_ctx_ctrl(SSL_CTX *s, int cmd, long larg, void *parg); 1139long ssl2_callback_ctrl(SSL *s, int cmd, void (*fp) (void)); 1140long ssl2_ctx_callback_ctrl(SSL_CTX *s, int cmd, void (*fp) (void)); 1141int ssl2_pending(const SSL *s); 1142long ssl2_default_timeout(void); 1143 1144const SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p); 1145int ssl3_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p); 1146void ssl3_init_finished_mac(SSL *s); 1147int ssl3_send_server_certificate(SSL *s); 1148int ssl3_send_newsession_ticket(SSL *s); 1149int ssl3_send_cert_status(SSL *s); 1150int ssl3_get_finished(SSL *s, int state_a, int state_b); 1151int ssl3_setup_key_block(SSL *s); 1152int ssl3_send_change_cipher_spec(SSL *s, int state_a, int state_b); 1153int ssl3_change_cipher_state(SSL *s, int which); 1154void ssl3_cleanup_key_block(SSL *s); 1155int ssl3_do_write(SSL *s, int type); 1156int ssl3_send_alert(SSL *s, int level, int desc); 1157int ssl3_generate_master_secret(SSL *s, unsigned char *out, 1158 unsigned char *p, int len); 1159int ssl3_get_req_cert_type(SSL *s, unsigned char *p); 1160long ssl3_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok); 1161int ssl3_send_finished(SSL *s, int a, int b, const char *sender, int slen); 1162int ssl3_num_ciphers(void); 1163const SSL_CIPHER *ssl3_get_cipher(unsigned int u); 1164int ssl3_renegotiate(SSL *ssl); 1165int ssl3_renegotiate_check(SSL *ssl); 1166int ssl3_dispatch_alert(SSL *s); 1167int ssl3_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek); 1168int ssl3_write_bytes(SSL *s, int type, const void *buf, int len); 1169int ssl3_final_finish_mac(SSL *s, const char *sender, int slen, 1170 unsigned char *p); 1171int ssl3_cert_verify_mac(SSL *s, int md_nid, unsigned char *p); 1172void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len); 1173int ssl3_enc(SSL *s, int send_data); 1174int n_ssl3_mac(SSL *ssl, unsigned char *md, int send_data); 1175void ssl3_free_digest_list(SSL *s); 1176unsigned long ssl3_output_cert_chain(SSL *s, CERT_PKEY *cpk); 1177SSL_CIPHER *ssl3_choose_cipher(SSL *ssl, STACK_OF(SSL_CIPHER) *clnt, 1178 STACK_OF(SSL_CIPHER) *srvr); 1179int ssl3_setup_buffers(SSL *s); 1180int ssl3_setup_read_buffer(SSL *s); 1181int ssl3_setup_write_buffer(SSL *s); 1182int ssl3_release_read_buffer(SSL *s); 1183int ssl3_release_write_buffer(SSL *s); 1184int ssl3_digest_cached_records(SSL *s); 1185int ssl3_new(SSL *s); 1186void ssl3_free(SSL *s); 1187int ssl3_accept(SSL *s); 1188int ssl3_connect(SSL *s); 1189int ssl3_read(SSL *s, void *buf, int len); 1190int ssl3_peek(SSL *s, void *buf, int len); 1191int ssl3_write(SSL *s, const void *buf, int len); 1192int ssl3_shutdown(SSL *s); 1193void ssl3_clear(SSL *s); 1194long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg); 1195long ssl3_ctx_ctrl(SSL_CTX *s, int cmd, long larg, void *parg); 1196long ssl3_callback_ctrl(SSL *s, int cmd, void (*fp) (void)); 1197long ssl3_ctx_callback_ctrl(SSL_CTX *s, int cmd, void (*fp) (void)); 1198int ssl3_pending(const SSL *s); 1199 1200void ssl3_record_sequence_update(unsigned char *seq); 1201int ssl3_do_change_cipher_spec(SSL *ssl); 1202long ssl3_default_timeout(void); 1203 1204void ssl3_set_handshake_header(SSL *s, int htype, unsigned long len); 1205int ssl3_handshake_write(SSL *s); 1206 1207int ssl23_num_ciphers(void); 1208const SSL_CIPHER *ssl23_get_cipher(unsigned int u); 1209int ssl23_read(SSL *s, void *buf, int len); 1210int ssl23_peek(SSL *s, void *buf, int len); 1211int ssl23_write(SSL *s, const void *buf, int len); 1212int ssl23_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p); 1213const SSL_CIPHER *ssl23_get_cipher_by_char(const unsigned char *p); 1214long ssl23_default_timeout(void); 1215 1216long tls1_default_timeout(void); 1217int dtls1_do_write(SSL *s, int type); 1218int ssl3_read_n(SSL *s, int n, int max, int extend); 1219int dtls1_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek); 1220int ssl3_do_compress(SSL *ssl); 1221int ssl3_do_uncompress(SSL *ssl); 1222int ssl3_write_pending(SSL *s, int type, const unsigned char *buf, 1223 unsigned int len); 1224unsigned char *dtls1_set_message_header(SSL *s, 1225 unsigned char *p, unsigned char mt, 1226 unsigned long len, 1227 unsigned long frag_off, 1228 unsigned long frag_len); 1229 1230int dtls1_write_app_data_bytes(SSL *s, int type, const void *buf, int len); 1231int dtls1_write_bytes(SSL *s, int type, const void *buf, int len); 1232 1233int dtls1_send_change_cipher_spec(SSL *s, int a, int b); 1234int dtls1_read_failed(SSL *s, int code); 1235int dtls1_buffer_message(SSL *s, int ccs); 1236int dtls1_retransmit_message(SSL *s, unsigned short seq, 1237 unsigned long frag_off, int *found); 1238int dtls1_get_queue_priority(unsigned short seq, int is_ccs); 1239int dtls1_retransmit_buffered_messages(SSL *s); 1240void dtls1_clear_record_buffer(SSL *s); 1241void dtls1_get_message_header(unsigned char *data, 1242 struct hm_header_st *msg_hdr); 1243void dtls1_get_ccs_header(unsigned char *data, struct ccs_header_st *ccs_hdr); 1244void dtls1_reset_seq_numbers(SSL *s, int rw); 1245long dtls1_default_timeout(void); 1246struct timeval *dtls1_get_timeout(SSL *s, struct timeval *timeleft); 1247int dtls1_check_timeout_num(SSL *s); 1248int dtls1_handle_timeout(SSL *s); 1249const SSL_CIPHER *dtls1_get_cipher(unsigned int u); 1250void dtls1_start_timer(SSL *s); 1251void dtls1_stop_timer(SSL *s); 1252int dtls1_is_timer_expired(SSL *s); 1253void dtls1_double_timeout(SSL *s); 1254int dtls1_send_newsession_ticket(SSL *s); 1255unsigned int dtls1_min_mtu(SSL *s); 1256unsigned int dtls1_link_min_mtu(void); 1257void dtls1_hm_fragment_free(hm_fragment *frag); 1258 1259/* some client-only functions */ 1260int ssl3_client_hello(SSL *s); 1261int ssl3_get_server_hello(SSL *s); 1262int ssl3_get_certificate_request(SSL *s); 1263int ssl3_get_new_session_ticket(SSL *s); 1264int ssl3_get_cert_status(SSL *s); 1265int ssl3_get_server_done(SSL *s); 1266int ssl3_send_client_verify(SSL *s); 1267int ssl3_send_client_certificate(SSL *s); 1268int ssl_do_client_cert_cb(SSL *s, X509 **px509, EVP_PKEY **ppkey); 1269int ssl3_send_client_key_exchange(SSL *s); 1270int ssl3_get_key_exchange(SSL *s); 1271int ssl3_get_server_certificate(SSL *s); 1272int ssl3_check_cert_and_algorithm(SSL *s); 1273# ifndef OPENSSL_NO_TLSEXT 1274# ifndef OPENSSL_NO_NEXTPROTONEG 1275int ssl3_send_next_proto(SSL *s); 1276# endif 1277# endif 1278 1279int dtls1_client_hello(SSL *s); 1280 1281/* some server-only functions */ 1282int ssl3_get_client_hello(SSL *s); 1283int ssl3_send_server_hello(SSL *s); 1284int ssl3_send_hello_request(SSL *s); 1285int ssl3_send_server_key_exchange(SSL *s); 1286int ssl3_send_certificate_request(SSL *s); 1287int ssl3_send_server_done(SSL *s); 1288int ssl3_get_client_certificate(SSL *s); 1289int ssl3_get_client_key_exchange(SSL *s); 1290int ssl3_get_cert_verify(SSL *s); 1291# ifndef OPENSSL_NO_NEXTPROTONEG 1292int ssl3_get_next_proto(SSL *s); 1293# endif 1294 1295int ssl23_accept(SSL *s); 1296int ssl23_connect(SSL *s); 1297int ssl23_read_bytes(SSL *s, int n); 1298int ssl23_write_bytes(SSL *s); 1299 1300int tls1_new(SSL *s); 1301void tls1_free(SSL *s); 1302void tls1_clear(SSL *s); 1303long tls1_ctrl(SSL *s, int cmd, long larg, void *parg); 1304long tls1_callback_ctrl(SSL *s, int cmd, void (*fp) (void)); 1305 1306int dtls1_new(SSL *s); 1307int dtls1_accept(SSL *s); 1308int dtls1_connect(SSL *s); 1309void dtls1_free(SSL *s); 1310void dtls1_clear(SSL *s); 1311long dtls1_ctrl(SSL *s, int cmd, long larg, void *parg); 1312int dtls1_shutdown(SSL *s); 1313 1314long dtls1_get_message(SSL *s, int st1, int stn, int mt, long max, int *ok); 1315int dtls1_get_record(SSL *s); 1316int do_dtls1_write(SSL *s, int type, const unsigned char *buf, 1317 unsigned int len, int create_empty_fragement); 1318int dtls1_dispatch_alert(SSL *s); 1319 1320int ssl_init_wbio_buffer(SSL *s, int push); 1321void ssl_free_wbio_buffer(SSL *s); 1322 1323int tls1_change_cipher_state(SSL *s, int which); 1324int tls1_setup_key_block(SSL *s); 1325int tls1_enc(SSL *s, int snd); 1326int tls1_final_finish_mac(SSL *s, 1327 const char *str, int slen, unsigned char *p); 1328int tls1_cert_verify_mac(SSL *s, int md_nid, unsigned char *p); 1329int tls1_mac(SSL *ssl, unsigned char *md, int snd); 1330int tls1_generate_master_secret(SSL *s, unsigned char *out, 1331 unsigned char *p, int len); 1332int tls1_export_keying_material(SSL *s, unsigned char *out, size_t olen, 1333 const char *label, size_t llen, 1334 const unsigned char *p, size_t plen, 1335 int use_context); 1336int tls1_alert_code(int code); 1337int ssl3_alert_code(int code); 1338int ssl_ok(SSL *s); 1339 1340# ifndef OPENSSL_NO_ECDH 1341int ssl_check_srvr_ecc_cert_and_alg(X509 *x, SSL *s); 1342# endif 1343 1344SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n); 1345 1346# ifndef OPENSSL_NO_EC 1347int tls1_ec_curve_id2nid(int curve_id); 1348int tls1_ec_nid2curve_id(int nid); 1349int tls1_check_curve(SSL *s, const unsigned char *p, size_t len); 1350int tls1_shared_curve(SSL *s, int nmatch); 1351int tls1_set_curves(unsigned char **pext, size_t *pextlen, 1352 int *curves, size_t ncurves); 1353int tls1_set_curves_list(unsigned char **pext, size_t *pextlen, 1354 const char *str); 1355# ifndef OPENSSL_NO_ECDH 1356int tls1_check_ec_tmp_key(SSL *s, unsigned long id); 1357# endif /* OPENSSL_NO_ECDH */ 1358# endif /* OPENSSL_NO_EC */ 1359 1360# ifndef OPENSSL_NO_TLSEXT 1361int tls1_shared_list(SSL *s, 1362 const unsigned char *l1, size_t l1len, 1363 const unsigned char *l2, size_t l2len, int nmatch); 1364unsigned char *ssl_add_clienthello_tlsext(SSL *s, unsigned char *buf, 1365 unsigned char *limit, int *al); 1366unsigned char *ssl_add_serverhello_tlsext(SSL *s, unsigned char *buf, 1367 unsigned char *limit, int *al); 1368int ssl_parse_clienthello_tlsext(SSL *s, unsigned char **data, 1369 unsigned char *d, int n); 1370int tls1_set_server_sigalgs(SSL *s); 1371int ssl_check_clienthello_tlsext_late(SSL *s); 1372int ssl_parse_serverhello_tlsext(SSL *s, unsigned char **data, 1373 unsigned char *d, int n); 1374int ssl_prepare_clienthello_tlsext(SSL *s); 1375int ssl_prepare_serverhello_tlsext(SSL *s); 1376 1377# ifndef OPENSSL_NO_HEARTBEATS 1378int tls1_heartbeat(SSL *s); 1379int dtls1_heartbeat(SSL *s); 1380int tls1_process_heartbeat(SSL *s); 1381int dtls1_process_heartbeat(SSL *s); 1382# endif 1383 1384# ifdef OPENSSL_NO_SHA256 1385# define tlsext_tick_md EVP_sha1 1386# else 1387# define tlsext_tick_md EVP_sha256 1388# endif 1389int tls1_process_ticket(SSL *s, unsigned char *session_id, int len, 1390 const unsigned char *limit, SSL_SESSION **ret); 1391 1392int tls12_get_sigandhash(unsigned char *p, const EVP_PKEY *pk, 1393 const EVP_MD *md); 1394int tls12_get_sigid(const EVP_PKEY *pk); 1395const EVP_MD *tls12_get_hash(unsigned char hash_alg); 1396 1397int tls1_set_sigalgs_list(CERT *c, const char *str, int client); 1398int tls1_set_sigalgs(CERT *c, const int *salg, size_t salglen, int client); 1399int tls1_check_chain(SSL *s, X509 *x, EVP_PKEY *pk, STACK_OF(X509) *chain, 1400 int idx); 1401void tls1_set_cert_validity(SSL *s); 1402 1403# endif 1404EVP_MD_CTX *ssl_replace_hash(EVP_MD_CTX **hash, const EVP_MD *md); 1405void ssl_clear_hash_ctx(EVP_MD_CTX **hash); 1406int ssl_add_serverhello_renegotiate_ext(SSL *s, unsigned char *p, int *len, 1407 int maxlen); 1408int ssl_parse_serverhello_renegotiate_ext(SSL *s, unsigned char *d, int len, 1409 int *al); 1410int ssl_add_clienthello_renegotiate_ext(SSL *s, unsigned char *p, int *len, 1411 int maxlen); 1412int ssl_parse_clienthello_renegotiate_ext(SSL *s, unsigned char *d, int len, 1413 int *al); 1414long ssl_get_algorithm2(SSL *s); 1415int tls1_save_sigalgs(SSL *s, const unsigned char *data, int dsize); 1416int tls1_process_sigalgs(SSL *s); 1417size_t tls12_get_psigalgs(SSL *s, const unsigned char **psigs); 1418int tls12_check_peer_sigalg(const EVP_MD **pmd, SSL *s, 1419 const unsigned char *sig, EVP_PKEY *pkey); 1420void ssl_set_client_disabled(SSL *s); 1421 1422int ssl_add_clienthello_use_srtp_ext(SSL *s, unsigned char *p, int *len, 1423 int maxlen); 1424int ssl_parse_clienthello_use_srtp_ext(SSL *s, unsigned char *d, int len, 1425 int *al); 1426int ssl_add_serverhello_use_srtp_ext(SSL *s, unsigned char *p, int *len, 1427 int maxlen); 1428int ssl_parse_serverhello_use_srtp_ext(SSL *s, unsigned char *d, int len, 1429 int *al); 1430 1431/* s3_cbc.c */ 1432void ssl3_cbc_copy_mac(unsigned char *out, 1433 const SSL3_RECORD *rec, 1434 unsigned md_size, unsigned orig_len); 1435int ssl3_cbc_remove_padding(const SSL *s, 1436 SSL3_RECORD *rec, 1437 unsigned block_size, unsigned mac_size); 1438int tls1_cbc_remove_padding(const SSL *s, 1439 SSL3_RECORD *rec, 1440 unsigned block_size, unsigned mac_size); 1441char ssl3_cbc_record_digest_supported(const EVP_MD_CTX *ctx); 1442void ssl3_cbc_digest_record(const EVP_MD_CTX *ctx, 1443 unsigned char *md_out, 1444 size_t *md_out_size, 1445 const unsigned char header[13], 1446 const unsigned char *data, 1447 size_t data_plus_mac_size, 1448 size_t data_plus_mac_plus_padding_size, 1449 const unsigned char *mac_secret, 1450 unsigned mac_secret_length, char is_sslv3); 1451 1452void tls_fips_digest_extra(const EVP_CIPHER_CTX *cipher_ctx, 1453 EVP_MD_CTX *mac_ctx, const unsigned char *data, 1454 size_t data_len, size_t orig_len); 1455 1456int srp_verify_server_param(SSL *s, int *al); 1457 1458/* t1_ext.c */ 1459 1460void custom_ext_init(custom_ext_methods *meths); 1461 1462int custom_ext_parse(SSL *s, int server, 1463 unsigned int ext_type, 1464 const unsigned char *ext_data, size_t ext_size, int *al); 1465int custom_ext_add(SSL *s, int server, 1466 unsigned char **pret, unsigned char *limit, int *al); 1467 1468int custom_exts_copy(custom_ext_methods *dst, const custom_ext_methods *src); 1469void custom_exts_free(custom_ext_methods *exts); 1470 1471# else 1472 1473# define ssl_init_wbio_buffer SSL_test_functions()->p_ssl_init_wbio_buffer 1474# define ssl3_setup_buffers SSL_test_functions()->p_ssl3_setup_buffers 1475# define tls1_process_heartbeat SSL_test_functions()->p_tls1_process_heartbeat 1476# define dtls1_process_heartbeat SSL_test_functions()->p_dtls1_process_heartbeat 1477 1478# endif 1479#endif 1480