1/* ssl/ssl3.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) 1998-2002 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#ifndef HEADER_SSL3_H 118#define HEADER_SSL3_H 119 120#ifndef OPENSSL_NO_COMP 121#include <openssl/comp.h> 122#endif 123#include <openssl/buffer.h> 124#include <openssl/evp.h> 125#include <openssl/ssl.h> 126#include <openssl/pq_compat.h> 127 128#ifdef __cplusplus 129extern "C" { 130#endif 131 132/* Signalling cipher suite value: from draft-ietf-tls-renegotiation-03.txt */ 133#define SSL3_CK_SCSV 0x030000FF 134 135#define SSL3_CK_RSA_NULL_MD5 0x03000001 136#define SSL3_CK_RSA_NULL_SHA 0x03000002 137#define SSL3_CK_RSA_RC4_40_MD5 0x03000003 138#define SSL3_CK_RSA_RC4_128_MD5 0x03000004 139#define SSL3_CK_RSA_RC4_128_SHA 0x03000005 140#define SSL3_CK_RSA_RC2_40_MD5 0x03000006 141#define SSL3_CK_RSA_IDEA_128_SHA 0x03000007 142#define SSL3_CK_RSA_DES_40_CBC_SHA 0x03000008 143#define SSL3_CK_RSA_DES_64_CBC_SHA 0x03000009 144#define SSL3_CK_RSA_DES_192_CBC3_SHA 0x0300000A 145 146#define SSL3_CK_DH_DSS_DES_40_CBC_SHA 0x0300000B 147#define SSL3_CK_DH_DSS_DES_64_CBC_SHA 0x0300000C 148#define SSL3_CK_DH_DSS_DES_192_CBC3_SHA 0x0300000D 149#define SSL3_CK_DH_RSA_DES_40_CBC_SHA 0x0300000E 150#define SSL3_CK_DH_RSA_DES_64_CBC_SHA 0x0300000F 151#define SSL3_CK_DH_RSA_DES_192_CBC3_SHA 0x03000010 152 153#define SSL3_CK_EDH_DSS_DES_40_CBC_SHA 0x03000011 154#define SSL3_CK_EDH_DSS_DES_64_CBC_SHA 0x03000012 155#define SSL3_CK_EDH_DSS_DES_192_CBC3_SHA 0x03000013 156#define SSL3_CK_EDH_RSA_DES_40_CBC_SHA 0x03000014 157#define SSL3_CK_EDH_RSA_DES_64_CBC_SHA 0x03000015 158#define SSL3_CK_EDH_RSA_DES_192_CBC3_SHA 0x03000016 159 160#define SSL3_CK_ADH_RC4_40_MD5 0x03000017 161#define SSL3_CK_ADH_RC4_128_MD5 0x03000018 162#define SSL3_CK_ADH_DES_40_CBC_SHA 0x03000019 163#define SSL3_CK_ADH_DES_64_CBC_SHA 0x0300001A 164#define SSL3_CK_ADH_DES_192_CBC_SHA 0x0300001B 165 166#define SSL3_CK_FZA_DMS_NULL_SHA 0x0300001C 167#define SSL3_CK_FZA_DMS_FZA_SHA 0x0300001D 168#if 0 /* Because it clashes with KRB5, is never used any more, and is safe 169 to remove according to David Hopwood <david.hopwood@zetnet.co.uk> 170 of the ietf-tls list */ 171#define SSL3_CK_FZA_DMS_RC4_SHA 0x0300001E 172#endif 173 174/* VRS Additional Kerberos5 entries 175 */ 176#define SSL3_CK_KRB5_DES_64_CBC_SHA 0x0300001E 177#define SSL3_CK_KRB5_DES_192_CBC3_SHA 0x0300001F 178#define SSL3_CK_KRB5_RC4_128_SHA 0x03000020 179#define SSL3_CK_KRB5_IDEA_128_CBC_SHA 0x03000021 180#define SSL3_CK_KRB5_DES_64_CBC_MD5 0x03000022 181#define SSL3_CK_KRB5_DES_192_CBC3_MD5 0x03000023 182#define SSL3_CK_KRB5_RC4_128_MD5 0x03000024 183#define SSL3_CK_KRB5_IDEA_128_CBC_MD5 0x03000025 184 185#define SSL3_CK_KRB5_DES_40_CBC_SHA 0x03000026 186#define SSL3_CK_KRB5_RC2_40_CBC_SHA 0x03000027 187#define SSL3_CK_KRB5_RC4_40_SHA 0x03000028 188#define SSL3_CK_KRB5_DES_40_CBC_MD5 0x03000029 189#define SSL3_CK_KRB5_RC2_40_CBC_MD5 0x0300002A 190#define SSL3_CK_KRB5_RC4_40_MD5 0x0300002B 191 192#define SSL3_TXT_RSA_NULL_MD5 "NULL-MD5" 193#define SSL3_TXT_RSA_NULL_SHA "NULL-SHA" 194#define SSL3_TXT_RSA_RC4_40_MD5 "EXP-RC4-MD5" 195#define SSL3_TXT_RSA_RC4_128_MD5 "RC4-MD5" 196#define SSL3_TXT_RSA_RC4_128_SHA "RC4-SHA" 197#define SSL3_TXT_RSA_RC2_40_MD5 "EXP-RC2-CBC-MD5" 198#define SSL3_TXT_RSA_IDEA_128_SHA "IDEA-CBC-SHA" 199#define SSL3_TXT_RSA_DES_40_CBC_SHA "EXP-DES-CBC-SHA" 200#define SSL3_TXT_RSA_DES_64_CBC_SHA "DES-CBC-SHA" 201#define SSL3_TXT_RSA_DES_192_CBC3_SHA "DES-CBC3-SHA" 202 203#define SSL3_TXT_DH_DSS_DES_40_CBC_SHA "EXP-DH-DSS-DES-CBC-SHA" 204#define SSL3_TXT_DH_DSS_DES_64_CBC_SHA "DH-DSS-DES-CBC-SHA" 205#define SSL3_TXT_DH_DSS_DES_192_CBC3_SHA "DH-DSS-DES-CBC3-SHA" 206#define SSL3_TXT_DH_RSA_DES_40_CBC_SHA "EXP-DH-RSA-DES-CBC-SHA" 207#define SSL3_TXT_DH_RSA_DES_64_CBC_SHA "DH-RSA-DES-CBC-SHA" 208#define SSL3_TXT_DH_RSA_DES_192_CBC3_SHA "DH-RSA-DES-CBC3-SHA" 209 210#define SSL3_TXT_EDH_DSS_DES_40_CBC_SHA "EXP-EDH-DSS-DES-CBC-SHA" 211#define SSL3_TXT_EDH_DSS_DES_64_CBC_SHA "EDH-DSS-DES-CBC-SHA" 212#define SSL3_TXT_EDH_DSS_DES_192_CBC3_SHA "EDH-DSS-DES-CBC3-SHA" 213#define SSL3_TXT_EDH_RSA_DES_40_CBC_SHA "EXP-EDH-RSA-DES-CBC-SHA" 214#define SSL3_TXT_EDH_RSA_DES_64_CBC_SHA "EDH-RSA-DES-CBC-SHA" 215#define SSL3_TXT_EDH_RSA_DES_192_CBC3_SHA "EDH-RSA-DES-CBC3-SHA" 216 217#define SSL3_TXT_ADH_RC4_40_MD5 "EXP-ADH-RC4-MD5" 218#define SSL3_TXT_ADH_RC4_128_MD5 "ADH-RC4-MD5" 219#define SSL3_TXT_ADH_DES_40_CBC_SHA "EXP-ADH-DES-CBC-SHA" 220#define SSL3_TXT_ADH_DES_64_CBC_SHA "ADH-DES-CBC-SHA" 221#define SSL3_TXT_ADH_DES_192_CBC_SHA "ADH-DES-CBC3-SHA" 222 223#define SSL3_TXT_FZA_DMS_NULL_SHA "FZA-NULL-SHA" 224#define SSL3_TXT_FZA_DMS_FZA_SHA "FZA-FZA-CBC-SHA" 225#define SSL3_TXT_FZA_DMS_RC4_SHA "FZA-RC4-SHA" 226 227#define SSL3_TXT_KRB5_DES_64_CBC_SHA "KRB5-DES-CBC-SHA" 228#define SSL3_TXT_KRB5_DES_192_CBC3_SHA "KRB5-DES-CBC3-SHA" 229#define SSL3_TXT_KRB5_RC4_128_SHA "KRB5-RC4-SHA" 230#define SSL3_TXT_KRB5_IDEA_128_CBC_SHA "KRB5-IDEA-CBC-SHA" 231#define SSL3_TXT_KRB5_DES_64_CBC_MD5 "KRB5-DES-CBC-MD5" 232#define SSL3_TXT_KRB5_DES_192_CBC3_MD5 "KRB5-DES-CBC3-MD5" 233#define SSL3_TXT_KRB5_RC4_128_MD5 "KRB5-RC4-MD5" 234#define SSL3_TXT_KRB5_IDEA_128_CBC_MD5 "KRB5-IDEA-CBC-MD5" 235 236#define SSL3_TXT_KRB5_DES_40_CBC_SHA "EXP-KRB5-DES-CBC-SHA" 237#define SSL3_TXT_KRB5_RC2_40_CBC_SHA "EXP-KRB5-RC2-CBC-SHA" 238#define SSL3_TXT_KRB5_RC4_40_SHA "EXP-KRB5-RC4-SHA" 239#define SSL3_TXT_KRB5_DES_40_CBC_MD5 "EXP-KRB5-DES-CBC-MD5" 240#define SSL3_TXT_KRB5_RC2_40_CBC_MD5 "EXP-KRB5-RC2-CBC-MD5" 241#define SSL3_TXT_KRB5_RC4_40_MD5 "EXP-KRB5-RC4-MD5" 242 243#define SSL3_SSL_SESSION_ID_LENGTH 32 244#define SSL3_MAX_SSL_SESSION_ID_LENGTH 32 245 246#define SSL3_MASTER_SECRET_SIZE 48 247#define SSL3_RANDOM_SIZE 32 248#define SSL3_SESSION_ID_SIZE 32 249#define SSL3_RT_HEADER_LENGTH 5 250 251/* Due to MS stuffing up, this can change.... */ 252#if defined(OPENSSL_SYS_WIN16) || \ 253 (defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_WIN32)) 254#define SSL3_RT_MAX_EXTRA (14000) 255#else 256#define SSL3_RT_MAX_EXTRA (16384) 257#endif 258 259/* Default buffer length used for writen records. Thus a generated record 260 * will contain plaintext no larger than this value. */ 261#define SSL3_RT_DEFAULT_PLAIN_LENGTH 2048 262#define SSL3_RT_MAX_PLAIN_LENGTH 16384 263#ifdef OPENSSL_NO_COMP 264#define SSL3_RT_MAX_COMPRESSED_LENGTH SSL3_RT_MAX_PLAIN_LENGTH 265#else 266#define SSL3_RT_MAX_COMPRESSED_LENGTH (1024+SSL3_RT_MAX_PLAIN_LENGTH) 267#endif 268#define SSL3_RT_MAX_ENCRYPTED_LENGTH (1024+SSL3_RT_MAX_COMPRESSED_LENGTH) 269/* Extra space for empty fragment, headers, MAC, and padding. */ 270#define SSL3_RT_DEFAULT_WRITE_OVERHEAD 256 271#define SSL3_RT_DEFAULT_PACKET_SIZE 4096 - SSL3_RT_DEFAULT_WRITE_OVERHEAD 272#if SSL3_RT_DEFAULT_PLAIN_LENGTH + SSL3_RT_DEFAULT_WRITE_OVERHEAD > SSL3_RT_DEFAULT_PACKET_SIZE 273#error "Insufficient space allocated for write buffers." 274#endif 275#define SSL3_RT_MAX_PACKET_SIZE (SSL3_RT_MAX_ENCRYPTED_LENGTH+SSL3_RT_HEADER_LENGTH) 276#define SSL3_RT_MAX_DATA_SIZE (1024*1024) 277 278#define SSL3_MD_CLIENT_FINISHED_CONST "\x43\x4C\x4E\x54" 279#define SSL3_MD_SERVER_FINISHED_CONST "\x53\x52\x56\x52" 280 281#define SSL3_VERSION 0x0300 282#define SSL3_VERSION_MAJOR 0x03 283#define SSL3_VERSION_MINOR 0x00 284 285#define SSL3_RT_CHANGE_CIPHER_SPEC 20 286#define SSL3_RT_ALERT 21 287#define SSL3_RT_HANDSHAKE 22 288#define SSL3_RT_APPLICATION_DATA 23 289 290#define SSL3_AL_WARNING 1 291#define SSL3_AL_FATAL 2 292 293#define SSL3_AD_CLOSE_NOTIFY 0 294#define SSL3_AD_UNEXPECTED_MESSAGE 10 /* fatal */ 295#define SSL3_AD_BAD_RECORD_MAC 20 /* fatal */ 296#define SSL3_AD_DECOMPRESSION_FAILURE 30 /* fatal */ 297#define SSL3_AD_HANDSHAKE_FAILURE 40 /* fatal */ 298#define SSL3_AD_NO_CERTIFICATE 41 299#define SSL3_AD_BAD_CERTIFICATE 42 300#define SSL3_AD_UNSUPPORTED_CERTIFICATE 43 301#define SSL3_AD_CERTIFICATE_REVOKED 44 302#define SSL3_AD_CERTIFICATE_EXPIRED 45 303#define SSL3_AD_CERTIFICATE_UNKNOWN 46 304#define SSL3_AD_ILLEGAL_PARAMETER 47 /* fatal */ 305 306typedef struct ssl3_record_st 307 { 308/*r */ int type; /* type of record */ 309/*rw*/ unsigned int length; /* How many bytes available */ 310/*r */ unsigned int off; /* read/write offset into 'buf' */ 311/*rw*/ unsigned char *data; /* pointer to the record data */ 312/*rw*/ unsigned char *input; /* where the decode bytes are */ 313/*r */ unsigned char *comp; /* only used with decompression - malloc()ed */ 314/*r */ unsigned long epoch; /* epoch number, needed by DTLS1 */ 315/*r */ PQ_64BIT seq_num; /* sequence number, needed by DTLS1 */ 316 } SSL3_RECORD; 317 318typedef struct ssl3_buffer_st 319 { 320 unsigned char *buf; /* at least SSL3_RT_MAX_PACKET_SIZE bytes, 321 * see ssl3_setup_buffers() */ 322 size_t len; /* buffer size */ 323 int offset; /* where to 'copy from' */ 324 int left; /* how many bytes left */ 325 } SSL3_BUFFER; 326 327#define SSL3_CT_RSA_SIGN 1 328#define SSL3_CT_DSS_SIGN 2 329#define SSL3_CT_RSA_FIXED_DH 3 330#define SSL3_CT_DSS_FIXED_DH 4 331#define SSL3_CT_RSA_EPHEMERAL_DH 5 332#define SSL3_CT_DSS_EPHEMERAL_DH 6 333#define SSL3_CT_FORTEZZA_DMS 20 334/* SSL3_CT_NUMBER is used to size arrays and it must be large 335 * enough to contain all of the cert types defined either for 336 * SSLv3 and TLSv1. 337 */ 338#define SSL3_CT_NUMBER 7 339 340 341#define SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS 0x0001 342#define SSL3_FLAGS_DELAY_CLIENT_FINISHED 0x0002 343#define SSL3_FLAGS_POP_BUFFER 0x0004 344#define TLS1_FLAGS_TLS_PADDING_BUG 0x0008 345 346typedef struct ssl3_state_st 347 { 348 long flags; 349 int delay_buf_pop_ret; 350 351 unsigned char read_sequence[8]; 352 unsigned char read_mac_secret[EVP_MAX_MD_SIZE]; 353 unsigned char write_sequence[8]; 354 unsigned char write_mac_secret[EVP_MAX_MD_SIZE]; 355 356 unsigned char server_random[SSL3_RANDOM_SIZE]; 357 unsigned char client_random[SSL3_RANDOM_SIZE]; 358 359 /* flags for countermeasure against known-IV weakness */ 360 int need_empty_fragments; 361 int empty_fragment_done; 362 363 SSL3_BUFFER rbuf; /* read IO goes into here */ 364 SSL3_BUFFER wbuf; /* write IO goes into here */ 365 366 SSL3_RECORD rrec; /* each decoded record goes in here */ 367 SSL3_RECORD wrec; /* goes out from here */ 368 369 /* storage for Alert/Handshake protocol data received but not 370 * yet processed by ssl3_read_bytes: */ 371 unsigned char alert_fragment[2]; 372 unsigned int alert_fragment_len; 373 unsigned char handshake_fragment[4]; 374 unsigned int handshake_fragment_len; 375 376 /* partial write - check the numbers match */ 377 unsigned int wnum; /* number of bytes sent so far */ 378 int wpend_tot; /* number bytes written */ 379 int wpend_type; 380 int wpend_ret; /* number of bytes submitted */ 381 const unsigned char *wpend_buf; 382 383 /* used during startup, digest all incoming/outgoing packets */ 384 EVP_MD_CTX finish_dgst1; 385 EVP_MD_CTX finish_dgst2; 386 387 /* this is set whenerver we see a change_cipher_spec message 388 * come in when we are not looking for one */ 389 int change_cipher_spec; 390 391 int warn_alert; 392 int fatal_alert; 393 /* we allow one fatal and one warning alert to be outstanding, 394 * send close alert via the warning alert */ 395 int alert_dispatch; 396 unsigned char send_alert[2]; 397 398 /* This flag is set when we should renegotiate ASAP, basically when 399 * there is no more data in the read or write buffers */ 400 int renegotiate; 401 int total_renegotiations; 402 int num_renegotiations; 403 404 int in_read_app_data; 405 406 struct { 407 /* actually only needs to be 16+20 */ 408 unsigned char cert_verify_md[EVP_MAX_MD_SIZE*2]; 409 410 /* actually only need to be 16+20 for SSLv3 and 12 for TLS */ 411 unsigned char finish_md[EVP_MAX_MD_SIZE*2]; 412 int finish_md_len; 413 unsigned char peer_finish_md[EVP_MAX_MD_SIZE*2]; 414 int peer_finish_md_len; 415 416 unsigned long message_size; 417 int message_type; 418 419 /* used to hold the new cipher we are going to use */ 420 SSL_CIPHER *new_cipher; 421#ifndef OPENSSL_NO_DH 422 DH *dh; 423#endif 424 425#ifndef OPENSSL_NO_ECDH 426 EC_KEY *ecdh; /* holds short lived ECDH key */ 427#endif 428 429 /* used when SSL_ST_FLUSH_DATA is entered */ 430 int next_state; 431 432 int reuse_message; 433 434 /* used for certificate requests */ 435 int cert_req; 436 int ctype_num; 437 char ctype[SSL3_CT_NUMBER]; 438 STACK_OF(X509_NAME) *ca_names; 439 440 int use_rsa_tmp; 441 442 int key_block_length; 443 unsigned char *key_block; 444 445 const EVP_CIPHER *new_sym_enc; 446 const EVP_MD *new_hash; 447#ifndef OPENSSL_NO_COMP 448 const SSL_COMP *new_compression; 449#else 450 char *new_compression; 451#endif 452 int cert_request; 453 } tmp; 454 455 /* Connection binding to prevent renegotiation attacks */ 456 unsigned char previous_client_finished[EVP_MAX_MD_SIZE]; 457 unsigned char previous_client_finished_len; 458 unsigned char previous_server_finished[EVP_MAX_MD_SIZE]; 459 unsigned char previous_server_finished_len; 460 int send_connection_binding; /* TODOEKR */ 461 } SSL3_STATE; 462 463 464/* SSLv3 */ 465/*client */ 466/* extra state */ 467#define SSL3_ST_CW_FLUSH (0x100|SSL_ST_CONNECT) 468#define SSL3_ST_CUTTHROUGH_COMPLETE (0x101|SSL_ST_CONNECT) 469/* write to server */ 470#define SSL3_ST_CW_CLNT_HELLO_A (0x110|SSL_ST_CONNECT) 471#define SSL3_ST_CW_CLNT_HELLO_B (0x111|SSL_ST_CONNECT) 472/* read from server */ 473#define SSL3_ST_CR_SRVR_HELLO_A (0x120|SSL_ST_CONNECT) 474#define SSL3_ST_CR_SRVR_HELLO_B (0x121|SSL_ST_CONNECT) 475#define DTLS1_ST_CR_HELLO_VERIFY_REQUEST_A (0x126|SSL_ST_CONNECT) 476#define DTLS1_ST_CR_HELLO_VERIFY_REQUEST_B (0x127|SSL_ST_CONNECT) 477#define SSL3_ST_CR_CERT_A (0x130|SSL_ST_CONNECT) 478#define SSL3_ST_CR_CERT_B (0x131|SSL_ST_CONNECT) 479#define SSL3_ST_CR_KEY_EXCH_A (0x140|SSL_ST_CONNECT) 480#define SSL3_ST_CR_KEY_EXCH_B (0x141|SSL_ST_CONNECT) 481#define SSL3_ST_CR_CERT_REQ_A (0x150|SSL_ST_CONNECT) 482#define SSL3_ST_CR_CERT_REQ_B (0x151|SSL_ST_CONNECT) 483#define SSL3_ST_CR_SRVR_DONE_A (0x160|SSL_ST_CONNECT) 484#define SSL3_ST_CR_SRVR_DONE_B (0x161|SSL_ST_CONNECT) 485/* write to server */ 486#define SSL3_ST_CW_CERT_A (0x170|SSL_ST_CONNECT) 487#define SSL3_ST_CW_CERT_B (0x171|SSL_ST_CONNECT) 488#define SSL3_ST_CW_CERT_C (0x172|SSL_ST_CONNECT) 489#define SSL3_ST_CW_CERT_D (0x173|SSL_ST_CONNECT) 490#define SSL3_ST_CW_KEY_EXCH_A (0x180|SSL_ST_CONNECT) 491#define SSL3_ST_CW_KEY_EXCH_B (0x181|SSL_ST_CONNECT) 492#define SSL3_ST_CW_CERT_VRFY_A (0x190|SSL_ST_CONNECT) 493#define SSL3_ST_CW_CERT_VRFY_B (0x191|SSL_ST_CONNECT) 494#define SSL3_ST_CW_CHANGE_A (0x1A0|SSL_ST_CONNECT) 495#define SSL3_ST_CW_CHANGE_B (0x1A1|SSL_ST_CONNECT) 496#define SSL3_ST_CW_FINISHED_A (0x1B0|SSL_ST_CONNECT) 497#define SSL3_ST_CW_FINISHED_B (0x1B1|SSL_ST_CONNECT) 498/* read from server */ 499#define SSL3_ST_CR_CHANGE_A (0x1C0|SSL_ST_CONNECT) 500#define SSL3_ST_CR_CHANGE_B (0x1C1|SSL_ST_CONNECT) 501#define SSL3_ST_CR_FINISHED_A (0x1D0|SSL_ST_CONNECT) 502#define SSL3_ST_CR_FINISHED_B (0x1D1|SSL_ST_CONNECT) 503#define SSL3_ST_CR_SESSION_TICKET_A (0x1E0|SSL_ST_CONNECT) 504#define SSL3_ST_CR_SESSION_TICKET_B (0x1E1|SSL_ST_CONNECT) 505#define SSL3_ST_CR_CERT_STATUS_A (0x1F0|SSL_ST_CONNECT) 506#define SSL3_ST_CR_CERT_STATUS_B (0x1F1|SSL_ST_CONNECT) 507 508/* server */ 509/* extra state */ 510#define SSL3_ST_SW_FLUSH (0x100|SSL_ST_ACCEPT) 511/* read from client */ 512/* Do not change the number values, they do matter */ 513#define SSL3_ST_SR_CLNT_HELLO_A (0x110|SSL_ST_ACCEPT) 514#define SSL3_ST_SR_CLNT_HELLO_B (0x111|SSL_ST_ACCEPT) 515#define SSL3_ST_SR_CLNT_HELLO_C (0x112|SSL_ST_ACCEPT) 516/* write to client */ 517#define DTLS1_ST_SW_HELLO_VERIFY_REQUEST_A (0x113|SSL_ST_ACCEPT) 518#define DTLS1_ST_SW_HELLO_VERIFY_REQUEST_B (0x114|SSL_ST_ACCEPT) 519#define SSL3_ST_SW_HELLO_REQ_A (0x120|SSL_ST_ACCEPT) 520#define SSL3_ST_SW_HELLO_REQ_B (0x121|SSL_ST_ACCEPT) 521#define SSL3_ST_SW_HELLO_REQ_C (0x122|SSL_ST_ACCEPT) 522#define SSL3_ST_SW_SRVR_HELLO_A (0x130|SSL_ST_ACCEPT) 523#define SSL3_ST_SW_SRVR_HELLO_B (0x131|SSL_ST_ACCEPT) 524#define SSL3_ST_SW_CERT_A (0x140|SSL_ST_ACCEPT) 525#define SSL3_ST_SW_CERT_B (0x141|SSL_ST_ACCEPT) 526#define SSL3_ST_SW_KEY_EXCH_A (0x150|SSL_ST_ACCEPT) 527#define SSL3_ST_SW_KEY_EXCH_B (0x151|SSL_ST_ACCEPT) 528#define SSL3_ST_SW_CERT_REQ_A (0x160|SSL_ST_ACCEPT) 529#define SSL3_ST_SW_CERT_REQ_B (0x161|SSL_ST_ACCEPT) 530#define SSL3_ST_SW_SRVR_DONE_A (0x170|SSL_ST_ACCEPT) 531#define SSL3_ST_SW_SRVR_DONE_B (0x171|SSL_ST_ACCEPT) 532/* read from client */ 533#define SSL3_ST_SR_CERT_A (0x180|SSL_ST_ACCEPT) 534#define SSL3_ST_SR_CERT_B (0x181|SSL_ST_ACCEPT) 535#define SSL3_ST_SR_KEY_EXCH_A (0x190|SSL_ST_ACCEPT) 536#define SSL3_ST_SR_KEY_EXCH_B (0x191|SSL_ST_ACCEPT) 537#define SSL3_ST_SR_CERT_VRFY_A (0x1A0|SSL_ST_ACCEPT) 538#define SSL3_ST_SR_CERT_VRFY_B (0x1A1|SSL_ST_ACCEPT) 539#define SSL3_ST_SR_CHANGE_A (0x1B0|SSL_ST_ACCEPT) 540#define SSL3_ST_SR_CHANGE_B (0x1B1|SSL_ST_ACCEPT) 541#define SSL3_ST_SR_FINISHED_A (0x1C0|SSL_ST_ACCEPT) 542#define SSL3_ST_SR_FINISHED_B (0x1C1|SSL_ST_ACCEPT) 543/* write to client */ 544#define SSL3_ST_SW_CHANGE_A (0x1D0|SSL_ST_ACCEPT) 545#define SSL3_ST_SW_CHANGE_B (0x1D1|SSL_ST_ACCEPT) 546#define SSL3_ST_SW_FINISHED_A (0x1E0|SSL_ST_ACCEPT) 547#define SSL3_ST_SW_FINISHED_B (0x1E1|SSL_ST_ACCEPT) 548#define SSL3_ST_SW_SESSION_TICKET_A (0x1F0|SSL_ST_ACCEPT) 549#define SSL3_ST_SW_SESSION_TICKET_B (0x1F1|SSL_ST_ACCEPT) 550#define SSL3_ST_SW_CERT_STATUS_A (0x200|SSL_ST_ACCEPT) 551#define SSL3_ST_SW_CERT_STATUS_B (0x201|SSL_ST_ACCEPT) 552 553#define SSL3_MT_HELLO_REQUEST 0 554#define SSL3_MT_CLIENT_HELLO 1 555#define SSL3_MT_SERVER_HELLO 2 556#define SSL3_MT_NEWSESSION_TICKET 4 557#define SSL3_MT_CERTIFICATE 11 558#define SSL3_MT_SERVER_KEY_EXCHANGE 12 559#define SSL3_MT_CERTIFICATE_REQUEST 13 560#define SSL3_MT_SERVER_DONE 14 561#define SSL3_MT_CERTIFICATE_VERIFY 15 562#define SSL3_MT_CLIENT_KEY_EXCHANGE 16 563#define SSL3_MT_FINISHED 20 564#define SSL3_MT_CERTIFICATE_STATUS 22 565#define DTLS1_MT_HELLO_VERIFY_REQUEST 3 566 567 568#define SSL3_MT_CCS 1 569 570/* These are used when changing over to a new cipher */ 571#define SSL3_CC_READ 0x01 572#define SSL3_CC_WRITE 0x02 573#define SSL3_CC_CLIENT 0x10 574#define SSL3_CC_SERVER 0x20 575#define SSL3_CHANGE_CIPHER_CLIENT_WRITE (SSL3_CC_CLIENT|SSL3_CC_WRITE) 576#define SSL3_CHANGE_CIPHER_SERVER_READ (SSL3_CC_SERVER|SSL3_CC_READ) 577#define SSL3_CHANGE_CIPHER_CLIENT_READ (SSL3_CC_CLIENT|SSL3_CC_READ) 578#define SSL3_CHANGE_CIPHER_SERVER_WRITE (SSL3_CC_SERVER|SSL3_CC_WRITE) 579 580#ifdef __cplusplus 581} 582#endif 583#endif 584 585