774 lines
32 KiB
C
774 lines
32 KiB
C
/* ssl/ssl3.h */
|
|
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
|
|
* All rights reserved.
|
|
*
|
|
* This package is an SSL implementation written
|
|
* by Eric Young (eay@cryptsoft.com).
|
|
* The implementation was written so as to conform with Netscapes SSL.
|
|
*
|
|
* This library is free for commercial and non-commercial use as long as
|
|
* the following conditions are aheared to. The following conditions
|
|
* apply to all code found in this distribution, be it the RC4, RSA,
|
|
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
|
|
* included with this distribution is covered by the same copyright terms
|
|
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
|
|
*
|
|
* Copyright remains Eric Young's, and as such any Copyright notices in
|
|
* the code are not to be removed.
|
|
* If this package is used in a product, Eric Young should be given attribution
|
|
* as the author of the parts of the library used.
|
|
* This can be in the form of a textual message at program startup or
|
|
* in documentation (online or textual) provided with the package.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* "This product includes cryptographic software written by
|
|
* Eric Young (eay@cryptsoft.com)"
|
|
* The word 'cryptographic' can be left out if the rouines from the library
|
|
* being used are not cryptographic related :-).
|
|
* 4. If you include any Windows specific code (or a derivative thereof) from
|
|
* the apps directory (application code) you must include an acknowledgement:
|
|
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* The licence and distribution terms for any publically available version or
|
|
* derivative of this code cannot be changed. i.e. this code cannot simply be
|
|
* copied and put under another distribution licence
|
|
* [including the GNU Public Licence.]
|
|
*/
|
|
/* ====================================================================
|
|
* Copyright (c) 1998-2002 The OpenSSL Project. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
*
|
|
* 3. All advertising materials mentioning features or use of this
|
|
* software must display the following acknowledgment:
|
|
* "This product includes software developed by the OpenSSL Project
|
|
* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
|
|
*
|
|
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
|
|
* endorse or promote products derived from this software without
|
|
* prior written permission. For written permission, please contact
|
|
* openssl-core@openssl.org.
|
|
*
|
|
* 5. Products derived from this software may not be called "OpenSSL"
|
|
* nor may "OpenSSL" appear in their names without prior written
|
|
* permission of the OpenSSL Project.
|
|
*
|
|
* 6. Redistributions of any form whatsoever must retain the following
|
|
* acknowledgment:
|
|
* "This product includes software developed by the OpenSSL Project
|
|
* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
|
|
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
|
|
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
|
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
|
|
* OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
* ====================================================================
|
|
*
|
|
* This product includes cryptographic software written by Eric Young
|
|
* (eay@cryptsoft.com). This product includes software written by Tim
|
|
* Hudson (tjh@cryptsoft.com).
|
|
*
|
|
*/
|
|
/* ====================================================================
|
|
* Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
|
|
* ECC cipher suite support in OpenSSL originally developed by
|
|
* SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
|
|
*/
|
|
|
|
#ifndef HEADER_SSL3_H
|
|
# define HEADER_SSL3_H
|
|
|
|
# ifndef OPENSSL_NO_COMP
|
|
# include <openssl/comp.h>
|
|
# endif
|
|
# include <openssl/buffer.h>
|
|
# include <openssl/evp.h>
|
|
# include <openssl/ssl.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/*
|
|
* Signalling cipher suite value from RFC 5746
|
|
* (TLS_EMPTY_RENEGOTIATION_INFO_SCSV)
|
|
*/
|
|
# define SSL3_CK_SCSV 0x030000FF
|
|
|
|
/*
|
|
* Signalling cipher suite value from draft-ietf-tls-downgrade-scsv-00
|
|
* (TLS_FALLBACK_SCSV)
|
|
*/
|
|
# define SSL3_CK_FALLBACK_SCSV 0x03005600
|
|
|
|
# define SSL3_CK_RSA_NULL_MD5 0x03000001
|
|
# define SSL3_CK_RSA_NULL_SHA 0x03000002
|
|
# define SSL3_CK_RSA_RC4_40_MD5 0x03000003
|
|
# define SSL3_CK_RSA_RC4_128_MD5 0x03000004
|
|
# define SSL3_CK_RSA_RC4_128_SHA 0x03000005
|
|
# define SSL3_CK_RSA_RC2_40_MD5 0x03000006
|
|
# define SSL3_CK_RSA_IDEA_128_SHA 0x03000007
|
|
# define SSL3_CK_RSA_DES_40_CBC_SHA 0x03000008
|
|
# define SSL3_CK_RSA_DES_64_CBC_SHA 0x03000009
|
|
# define SSL3_CK_RSA_DES_192_CBC3_SHA 0x0300000A
|
|
|
|
# define SSL3_CK_DH_DSS_DES_40_CBC_SHA 0x0300000B
|
|
# define SSL3_CK_DH_DSS_DES_64_CBC_SHA 0x0300000C
|
|
# define SSL3_CK_DH_DSS_DES_192_CBC3_SHA 0x0300000D
|
|
# define SSL3_CK_DH_RSA_DES_40_CBC_SHA 0x0300000E
|
|
# define SSL3_CK_DH_RSA_DES_64_CBC_SHA 0x0300000F
|
|
# define SSL3_CK_DH_RSA_DES_192_CBC3_SHA 0x03000010
|
|
|
|
# define SSL3_CK_EDH_DSS_DES_40_CBC_SHA 0x03000011
|
|
# define SSL3_CK_DHE_DSS_DES_40_CBC_SHA SSL3_CK_EDH_DSS_DES_40_CBC_SHA
|
|
# define SSL3_CK_EDH_DSS_DES_64_CBC_SHA 0x03000012
|
|
# define SSL3_CK_DHE_DSS_DES_64_CBC_SHA SSL3_CK_EDH_DSS_DES_64_CBC_SHA
|
|
# define SSL3_CK_EDH_DSS_DES_192_CBC3_SHA 0x03000013
|
|
# define SSL3_CK_DHE_DSS_DES_192_CBC3_SHA SSL3_CK_EDH_DSS_DES_192_CBC3_SHA
|
|
# define SSL3_CK_EDH_RSA_DES_40_CBC_SHA 0x03000014
|
|
# define SSL3_CK_DHE_RSA_DES_40_CBC_SHA SSL3_CK_EDH_RSA_DES_40_CBC_SHA
|
|
# define SSL3_CK_EDH_RSA_DES_64_CBC_SHA 0x03000015
|
|
# define SSL3_CK_DHE_RSA_DES_64_CBC_SHA SSL3_CK_EDH_RSA_DES_64_CBC_SHA
|
|
# define SSL3_CK_EDH_RSA_DES_192_CBC3_SHA 0x03000016
|
|
# define SSL3_CK_DHE_RSA_DES_192_CBC3_SHA SSL3_CK_EDH_RSA_DES_192_CBC3_SHA
|
|
|
|
# define SSL3_CK_ADH_RC4_40_MD5 0x03000017
|
|
# define SSL3_CK_ADH_RC4_128_MD5 0x03000018
|
|
# define SSL3_CK_ADH_DES_40_CBC_SHA 0x03000019
|
|
# define SSL3_CK_ADH_DES_64_CBC_SHA 0x0300001A
|
|
# define SSL3_CK_ADH_DES_192_CBC_SHA 0x0300001B
|
|
|
|
# if 0
|
|
# define SSL3_CK_FZA_DMS_NULL_SHA 0x0300001C
|
|
# define SSL3_CK_FZA_DMS_FZA_SHA 0x0300001D
|
|
# if 0 /* Because it clashes with KRB5, is never
|
|
* used any more, and is safe to remove
|
|
* according to David Hopwood
|
|
* <david.hopwood@zetnet.co.uk> of the
|
|
* ietf-tls list */
|
|
# define SSL3_CK_FZA_DMS_RC4_SHA 0x0300001E
|
|
# endif
|
|
# endif
|
|
|
|
/*
|
|
* VRS Additional Kerberos5 entries
|
|
*/
|
|
# define SSL3_CK_KRB5_DES_64_CBC_SHA 0x0300001E
|
|
# define SSL3_CK_KRB5_DES_192_CBC3_SHA 0x0300001F
|
|
# define SSL3_CK_KRB5_RC4_128_SHA 0x03000020
|
|
# define SSL3_CK_KRB5_IDEA_128_CBC_SHA 0x03000021
|
|
# define SSL3_CK_KRB5_DES_64_CBC_MD5 0x03000022
|
|
# define SSL3_CK_KRB5_DES_192_CBC3_MD5 0x03000023
|
|
# define SSL3_CK_KRB5_RC4_128_MD5 0x03000024
|
|
# define SSL3_CK_KRB5_IDEA_128_CBC_MD5 0x03000025
|
|
|
|
# define SSL3_CK_KRB5_DES_40_CBC_SHA 0x03000026
|
|
# define SSL3_CK_KRB5_RC2_40_CBC_SHA 0x03000027
|
|
# define SSL3_CK_KRB5_RC4_40_SHA 0x03000028
|
|
# define SSL3_CK_KRB5_DES_40_CBC_MD5 0x03000029
|
|
# define SSL3_CK_KRB5_RC2_40_CBC_MD5 0x0300002A
|
|
# define SSL3_CK_KRB5_RC4_40_MD5 0x0300002B
|
|
|
|
# define SSL3_TXT_RSA_NULL_MD5 "NULL-MD5"
|
|
# define SSL3_TXT_RSA_NULL_SHA "NULL-SHA"
|
|
# define SSL3_TXT_RSA_RC4_40_MD5 "EXP-RC4-MD5"
|
|
# define SSL3_TXT_RSA_RC4_128_MD5 "RC4-MD5"
|
|
# define SSL3_TXT_RSA_RC4_128_SHA "RC4-SHA"
|
|
# define SSL3_TXT_RSA_RC2_40_MD5 "EXP-RC2-CBC-MD5"
|
|
# define SSL3_TXT_RSA_IDEA_128_SHA "IDEA-CBC-SHA"
|
|
# define SSL3_TXT_RSA_DES_40_CBC_SHA "EXP-DES-CBC-SHA"
|
|
# define SSL3_TXT_RSA_DES_64_CBC_SHA "DES-CBC-SHA"
|
|
# define SSL3_TXT_RSA_DES_192_CBC3_SHA "DES-CBC3-SHA"
|
|
|
|
# define SSL3_TXT_DH_DSS_DES_40_CBC_SHA "EXP-DH-DSS-DES-CBC-SHA"
|
|
# define SSL3_TXT_DH_DSS_DES_64_CBC_SHA "DH-DSS-DES-CBC-SHA"
|
|
# define SSL3_TXT_DH_DSS_DES_192_CBC3_SHA "DH-DSS-DES-CBC3-SHA"
|
|
# define SSL3_TXT_DH_RSA_DES_40_CBC_SHA "EXP-DH-RSA-DES-CBC-SHA"
|
|
# define SSL3_TXT_DH_RSA_DES_64_CBC_SHA "DH-RSA-DES-CBC-SHA"
|
|
# define SSL3_TXT_DH_RSA_DES_192_CBC3_SHA "DH-RSA-DES-CBC3-SHA"
|
|
|
|
# define SSL3_TXT_DHE_DSS_DES_40_CBC_SHA "EXP-DHE-DSS-DES-CBC-SHA"
|
|
# define SSL3_TXT_DHE_DSS_DES_64_CBC_SHA "DHE-DSS-DES-CBC-SHA"
|
|
# define SSL3_TXT_DHE_DSS_DES_192_CBC3_SHA "DHE-DSS-DES-CBC3-SHA"
|
|
# define SSL3_TXT_DHE_RSA_DES_40_CBC_SHA "EXP-DHE-RSA-DES-CBC-SHA"
|
|
# define SSL3_TXT_DHE_RSA_DES_64_CBC_SHA "DHE-RSA-DES-CBC-SHA"
|
|
# define SSL3_TXT_DHE_RSA_DES_192_CBC3_SHA "DHE-RSA-DES-CBC3-SHA"
|
|
|
|
/*
|
|
* This next block of six "EDH" labels is for backward compatibility with
|
|
* older versions of OpenSSL. New code should use the six "DHE" labels above
|
|
* instead:
|
|
*/
|
|
# define SSL3_TXT_EDH_DSS_DES_40_CBC_SHA "EXP-EDH-DSS-DES-CBC-SHA"
|
|
# define SSL3_TXT_EDH_DSS_DES_64_CBC_SHA "EDH-DSS-DES-CBC-SHA"
|
|
# define SSL3_TXT_EDH_DSS_DES_192_CBC3_SHA "EDH-DSS-DES-CBC3-SHA"
|
|
# define SSL3_TXT_EDH_RSA_DES_40_CBC_SHA "EXP-EDH-RSA-DES-CBC-SHA"
|
|
# define SSL3_TXT_EDH_RSA_DES_64_CBC_SHA "EDH-RSA-DES-CBC-SHA"
|
|
# define SSL3_TXT_EDH_RSA_DES_192_CBC3_SHA "EDH-RSA-DES-CBC3-SHA"
|
|
|
|
# define SSL3_TXT_ADH_RC4_40_MD5 "EXP-ADH-RC4-MD5"
|
|
# define SSL3_TXT_ADH_RC4_128_MD5 "ADH-RC4-MD5"
|
|
# define SSL3_TXT_ADH_DES_40_CBC_SHA "EXP-ADH-DES-CBC-SHA"
|
|
# define SSL3_TXT_ADH_DES_64_CBC_SHA "ADH-DES-CBC-SHA"
|
|
# define SSL3_TXT_ADH_DES_192_CBC_SHA "ADH-DES-CBC3-SHA"
|
|
|
|
# if 0
|
|
# define SSL3_TXT_FZA_DMS_NULL_SHA "FZA-NULL-SHA"
|
|
# define SSL3_TXT_FZA_DMS_FZA_SHA "FZA-FZA-CBC-SHA"
|
|
# define SSL3_TXT_FZA_DMS_RC4_SHA "FZA-RC4-SHA"
|
|
# endif
|
|
|
|
# define SSL3_TXT_KRB5_DES_64_CBC_SHA "KRB5-DES-CBC-SHA"
|
|
# define SSL3_TXT_KRB5_DES_192_CBC3_SHA "KRB5-DES-CBC3-SHA"
|
|
# define SSL3_TXT_KRB5_RC4_128_SHA "KRB5-RC4-SHA"
|
|
# define SSL3_TXT_KRB5_IDEA_128_CBC_SHA "KRB5-IDEA-CBC-SHA"
|
|
# define SSL3_TXT_KRB5_DES_64_CBC_MD5 "KRB5-DES-CBC-MD5"
|
|
# define SSL3_TXT_KRB5_DES_192_CBC3_MD5 "KRB5-DES-CBC3-MD5"
|
|
# define SSL3_TXT_KRB5_RC4_128_MD5 "KRB5-RC4-MD5"
|
|
# define SSL3_TXT_KRB5_IDEA_128_CBC_MD5 "KRB5-IDEA-CBC-MD5"
|
|
|
|
# define SSL3_TXT_KRB5_DES_40_CBC_SHA "EXP-KRB5-DES-CBC-SHA"
|
|
# define SSL3_TXT_KRB5_RC2_40_CBC_SHA "EXP-KRB5-RC2-CBC-SHA"
|
|
# define SSL3_TXT_KRB5_RC4_40_SHA "EXP-KRB5-RC4-SHA"
|
|
# define SSL3_TXT_KRB5_DES_40_CBC_MD5 "EXP-KRB5-DES-CBC-MD5"
|
|
# define SSL3_TXT_KRB5_RC2_40_CBC_MD5 "EXP-KRB5-RC2-CBC-MD5"
|
|
# define SSL3_TXT_KRB5_RC4_40_MD5 "EXP-KRB5-RC4-MD5"
|
|
|
|
# define SSL3_SSL_SESSION_ID_LENGTH 32
|
|
# define SSL3_MAX_SSL_SESSION_ID_LENGTH 32
|
|
|
|
# define SSL3_MASTER_SECRET_SIZE 48
|
|
# define SSL3_RANDOM_SIZE 32
|
|
# define SSL3_SESSION_ID_SIZE 32
|
|
# define SSL3_RT_HEADER_LENGTH 5
|
|
|
|
# define SSL3_HM_HEADER_LENGTH 4
|
|
|
|
# ifndef SSL3_ALIGN_PAYLOAD
|
|
/*
|
|
* Some will argue that this increases memory footprint, but it's not
|
|
* actually true. Point is that malloc has to return at least 64-bit aligned
|
|
* pointers, meaning that allocating 5 bytes wastes 3 bytes in either case.
|
|
* Suggested pre-gaping simply moves these wasted bytes from the end of
|
|
* allocated region to its front, but makes data payload aligned, which
|
|
* improves performance:-)
|
|
*/
|
|
# define SSL3_ALIGN_PAYLOAD 8
|
|
# else
|
|
# if (SSL3_ALIGN_PAYLOAD&(SSL3_ALIGN_PAYLOAD-1))!=0
|
|
# error "insane SSL3_ALIGN_PAYLOAD"
|
|
# undef SSL3_ALIGN_PAYLOAD
|
|
# endif
|
|
# endif
|
|
|
|
/*
|
|
* This is the maximum MAC (digest) size used by the SSL library. Currently
|
|
* maximum of 20 is used by SHA1, but we reserve for future extension for
|
|
* 512-bit hashes.
|
|
*/
|
|
|
|
# define SSL3_RT_MAX_MD_SIZE 64
|
|
|
|
/*
|
|
* Maximum block size used in all ciphersuites. Currently 16 for AES.
|
|
*/
|
|
|
|
# define SSL_RT_MAX_CIPHER_BLOCK_SIZE 16
|
|
|
|
# define SSL3_RT_MAX_EXTRA (16384)
|
|
|
|
/* Maximum plaintext length: defined by SSL/TLS standards */
|
|
# define SSL3_RT_MAX_PLAIN_LENGTH 16384
|
|
/* Maximum compression overhead: defined by SSL/TLS standards */
|
|
# define SSL3_RT_MAX_COMPRESSED_OVERHEAD 1024
|
|
|
|
/*
|
|
* The standards give a maximum encryption overhead of 1024 bytes. In
|
|
* practice the value is lower than this. The overhead is the maximum number
|
|
* of padding bytes (256) plus the mac size.
|
|
*/
|
|
# define SSL3_RT_MAX_ENCRYPTED_OVERHEAD (256 + SSL3_RT_MAX_MD_SIZE)
|
|
|
|
/*
|
|
* OpenSSL currently only uses a padding length of at most one block so the
|
|
* send overhead is smaller.
|
|
*/
|
|
|
|
# define SSL3_RT_SEND_MAX_ENCRYPTED_OVERHEAD \
|
|
(SSL_RT_MAX_CIPHER_BLOCK_SIZE + SSL3_RT_MAX_MD_SIZE)
|
|
|
|
/* If compression isn't used don't include the compression overhead */
|
|
|
|
# ifdef OPENSSL_NO_COMP
|
|
# define SSL3_RT_MAX_COMPRESSED_LENGTH SSL3_RT_MAX_PLAIN_LENGTH
|
|
# else
|
|
# define SSL3_RT_MAX_COMPRESSED_LENGTH \
|
|
(SSL3_RT_MAX_PLAIN_LENGTH+SSL3_RT_MAX_COMPRESSED_OVERHEAD)
|
|
# endif
|
|
# define SSL3_RT_MAX_ENCRYPTED_LENGTH \
|
|
(SSL3_RT_MAX_ENCRYPTED_OVERHEAD+SSL3_RT_MAX_COMPRESSED_LENGTH)
|
|
# define SSL3_RT_MAX_PACKET_SIZE \
|
|
(SSL3_RT_MAX_ENCRYPTED_LENGTH+SSL3_RT_HEADER_LENGTH)
|
|
|
|
# define SSL3_MD_CLIENT_FINISHED_CONST "\x43\x4C\x4E\x54"
|
|
# define SSL3_MD_SERVER_FINISHED_CONST "\x53\x52\x56\x52"
|
|
|
|
# define SSL3_VERSION 0x0300
|
|
# define SSL3_VERSION_MAJOR 0x03
|
|
# define SSL3_VERSION_MINOR 0x00
|
|
|
|
# define SSL3_RT_CHANGE_CIPHER_SPEC 20
|
|
# define SSL3_RT_ALERT 21
|
|
# define SSL3_RT_HANDSHAKE 22
|
|
# define SSL3_RT_APPLICATION_DATA 23
|
|
# define TLS1_RT_HEARTBEAT 24
|
|
|
|
/* Pseudo content types to indicate additional parameters */
|
|
# define TLS1_RT_CRYPTO 0x1000
|
|
# define TLS1_RT_CRYPTO_PREMASTER (TLS1_RT_CRYPTO | 0x1)
|
|
# define TLS1_RT_CRYPTO_CLIENT_RANDOM (TLS1_RT_CRYPTO | 0x2)
|
|
# define TLS1_RT_CRYPTO_SERVER_RANDOM (TLS1_RT_CRYPTO | 0x3)
|
|
# define TLS1_RT_CRYPTO_MASTER (TLS1_RT_CRYPTO | 0x4)
|
|
|
|
# define TLS1_RT_CRYPTO_READ 0x0000
|
|
# define TLS1_RT_CRYPTO_WRITE 0x0100
|
|
# define TLS1_RT_CRYPTO_MAC (TLS1_RT_CRYPTO | 0x5)
|
|
# define TLS1_RT_CRYPTO_KEY (TLS1_RT_CRYPTO | 0x6)
|
|
# define TLS1_RT_CRYPTO_IV (TLS1_RT_CRYPTO | 0x7)
|
|
# define TLS1_RT_CRYPTO_FIXED_IV (TLS1_RT_CRYPTO | 0x8)
|
|
|
|
/* Pseudo content type for SSL/TLS header info */
|
|
# define SSL3_RT_HEADER 0x100
|
|
|
|
# define SSL3_AL_WARNING 1
|
|
# define SSL3_AL_FATAL 2
|
|
|
|
# define SSL3_AD_CLOSE_NOTIFY 0
|
|
# define SSL3_AD_UNEXPECTED_MESSAGE 10/* fatal */
|
|
# define SSL3_AD_BAD_RECORD_MAC 20/* fatal */
|
|
# define SSL3_AD_DECOMPRESSION_FAILURE 30/* fatal */
|
|
# define SSL3_AD_HANDSHAKE_FAILURE 40/* fatal */
|
|
# define SSL3_AD_NO_CERTIFICATE 41
|
|
# define SSL3_AD_BAD_CERTIFICATE 42
|
|
# define SSL3_AD_UNSUPPORTED_CERTIFICATE 43
|
|
# define SSL3_AD_CERTIFICATE_REVOKED 44
|
|
# define SSL3_AD_CERTIFICATE_EXPIRED 45
|
|
# define SSL3_AD_CERTIFICATE_UNKNOWN 46
|
|
# define SSL3_AD_ILLEGAL_PARAMETER 47/* fatal */
|
|
|
|
# define TLS1_HB_REQUEST 1
|
|
# define TLS1_HB_RESPONSE 2
|
|
|
|
# ifndef OPENSSL_NO_SSL_INTERN
|
|
|
|
typedef struct ssl3_record_st {
|
|
/* type of record */
|
|
/*
|
|
* r
|
|
*/ int type;
|
|
/* How many bytes available */
|
|
/*
|
|
* rw
|
|
*/ unsigned int length;
|
|
/* read/write offset into 'buf' */
|
|
/*
|
|
* r
|
|
*/ unsigned int off;
|
|
/* pointer to the record data */
|
|
/*
|
|
* rw
|
|
*/ unsigned char *data;
|
|
/* where the decode bytes are */
|
|
/*
|
|
* rw
|
|
*/ unsigned char *input;
|
|
/* only used with decompression - malloc()ed */
|
|
/*
|
|
* r
|
|
*/ unsigned char *comp;
|
|
/* epoch number, needed by DTLS1 */
|
|
/*
|
|
* r
|
|
*/ unsigned long epoch;
|
|
/* sequence number, needed by DTLS1 */
|
|
/*
|
|
* r
|
|
*/ unsigned char seq_num[8];
|
|
} SSL3_RECORD;
|
|
|
|
typedef struct ssl3_buffer_st {
|
|
/* at least SSL3_RT_MAX_PACKET_SIZE bytes, see ssl3_setup_buffers() */
|
|
unsigned char *buf;
|
|
/* buffer size */
|
|
size_t len;
|
|
/* where to 'copy from' */
|
|
int offset;
|
|
/* how many bytes left */
|
|
int left;
|
|
} SSL3_BUFFER;
|
|
|
|
# endif
|
|
|
|
# define SSL3_CT_RSA_SIGN 1
|
|
# define SSL3_CT_DSS_SIGN 2
|
|
# define SSL3_CT_RSA_FIXED_DH 3
|
|
# define SSL3_CT_DSS_FIXED_DH 4
|
|
# define SSL3_CT_RSA_EPHEMERAL_DH 5
|
|
# define SSL3_CT_DSS_EPHEMERAL_DH 6
|
|
# define SSL3_CT_FORTEZZA_DMS 20
|
|
/*
|
|
* SSL3_CT_NUMBER is used to size arrays and it must be large enough to
|
|
* contain all of the cert types defined either for SSLv3 and TLSv1.
|
|
*/
|
|
# define SSL3_CT_NUMBER 9
|
|
|
|
# define SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS 0x0001
|
|
# define SSL3_FLAGS_DELAY_CLIENT_FINISHED 0x0002
|
|
# define SSL3_FLAGS_POP_BUFFER 0x0004
|
|
# define TLS1_FLAGS_TLS_PADDING_BUG 0x0008
|
|
# define TLS1_FLAGS_SKIP_CERT_VERIFY 0x0010
|
|
# define TLS1_FLAGS_KEEP_HANDSHAKE 0x0020
|
|
/*
|
|
* Set when the handshake is ready to process peer's ChangeCipherSpec message.
|
|
* Cleared after the message has been processed.
|
|
*/
|
|
# define SSL3_FLAGS_CCS_OK 0x0080
|
|
|
|
/* SSL3_FLAGS_SGC_RESTART_DONE is no longer used */
|
|
# define SSL3_FLAGS_SGC_RESTART_DONE 0x0040
|
|
|
|
# ifndef OPENSSL_NO_SSL_INTERN
|
|
|
|
typedef struct ssl3_state_st {
|
|
long flags;
|
|
int delay_buf_pop_ret;
|
|
unsigned char read_sequence[8];
|
|
int read_mac_secret_size;
|
|
unsigned char read_mac_secret[EVP_MAX_MD_SIZE];
|
|
unsigned char write_sequence[8];
|
|
int write_mac_secret_size;
|
|
unsigned char write_mac_secret[EVP_MAX_MD_SIZE];
|
|
unsigned char server_random[SSL3_RANDOM_SIZE];
|
|
unsigned char client_random[SSL3_RANDOM_SIZE];
|
|
/* flags for countermeasure against known-IV weakness */
|
|
int need_empty_fragments;
|
|
int empty_fragment_done;
|
|
/* The value of 'extra' when the buffers were initialized */
|
|
int init_extra;
|
|
SSL3_BUFFER rbuf; /* read IO goes into here */
|
|
SSL3_BUFFER wbuf; /* write IO goes into here */
|
|
SSL3_RECORD rrec; /* each decoded record goes in here */
|
|
SSL3_RECORD wrec; /* goes out from here */
|
|
/*
|
|
* storage for Alert/Handshake protocol data received but not yet
|
|
* processed by ssl3_read_bytes:
|
|
*/
|
|
unsigned char alert_fragment[2];
|
|
unsigned int alert_fragment_len;
|
|
unsigned char handshake_fragment[4];
|
|
unsigned int handshake_fragment_len;
|
|
/* partial write - check the numbers match */
|
|
unsigned int wnum; /* number of bytes sent so far */
|
|
int wpend_tot; /* number bytes written */
|
|
int wpend_type;
|
|
int wpend_ret; /* number of bytes submitted */
|
|
const unsigned char *wpend_buf;
|
|
/* used during startup, digest all incoming/outgoing packets */
|
|
BIO *handshake_buffer;
|
|
/*
|
|
* When set of handshake digests is determined, buffer is hashed and
|
|
* freed and MD_CTX-es for all required digests are stored in this array
|
|
*/
|
|
EVP_MD_CTX **handshake_dgst;
|
|
/*
|
|
* Set whenever an expected ChangeCipherSpec message is processed.
|
|
* Unset when the peer's Finished message is received.
|
|
* Unexpected ChangeCipherSpec messages trigger a fatal alert.
|
|
*/
|
|
int change_cipher_spec;
|
|
int warn_alert;
|
|
int fatal_alert;
|
|
/*
|
|
* we allow one fatal and one warning alert to be outstanding, send close
|
|
* alert via the warning alert
|
|
*/
|
|
int alert_dispatch;
|
|
unsigned char send_alert[2];
|
|
/*
|
|
* This flag is set when we should renegotiate ASAP, basically when there
|
|
* is no more data in the read or write buffers
|
|
*/
|
|
int renegotiate;
|
|
int total_renegotiations;
|
|
int num_renegotiations;
|
|
int in_read_app_data;
|
|
/*
|
|
* Opaque PRF input as used for the current handshake. These fields are
|
|
* used only if TLSEXT_TYPE_opaque_prf_input is defined (otherwise, they
|
|
* are merely present to improve binary compatibility)
|
|
*/
|
|
void *client_opaque_prf_input;
|
|
size_t client_opaque_prf_input_len;
|
|
void *server_opaque_prf_input;
|
|
size_t server_opaque_prf_input_len;
|
|
struct {
|
|
/* actually only needs to be 16+20 */
|
|
unsigned char cert_verify_md[EVP_MAX_MD_SIZE * 2];
|
|
/* actually only need to be 16+20 for SSLv3 and 12 for TLS */
|
|
unsigned char finish_md[EVP_MAX_MD_SIZE * 2];
|
|
int finish_md_len;
|
|
unsigned char peer_finish_md[EVP_MAX_MD_SIZE * 2];
|
|
int peer_finish_md_len;
|
|
unsigned long message_size;
|
|
int message_type;
|
|
/* used to hold the new cipher we are going to use */
|
|
const SSL_CIPHER *new_cipher;
|
|
# ifndef OPENSSL_NO_DH
|
|
DH *dh;
|
|
# endif
|
|
# ifndef OPENSSL_NO_ECDH
|
|
EC_KEY *ecdh; /* holds short lived ECDH key */
|
|
# endif
|
|
/* used when SSL_ST_FLUSH_DATA is entered */
|
|
int next_state;
|
|
int reuse_message;
|
|
/* used for certificate requests */
|
|
int cert_req;
|
|
int ctype_num;
|
|
char ctype[SSL3_CT_NUMBER];
|
|
STACK_OF(X509_NAME) *ca_names;
|
|
int use_rsa_tmp;
|
|
int key_block_length;
|
|
unsigned char *key_block;
|
|
const EVP_CIPHER *new_sym_enc;
|
|
const EVP_MD *new_hash;
|
|
int new_mac_pkey_type;
|
|
int new_mac_secret_size;
|
|
# ifndef OPENSSL_NO_COMP
|
|
const SSL_COMP *new_compression;
|
|
# else
|
|
char *new_compression;
|
|
# endif
|
|
int cert_request;
|
|
} tmp;
|
|
|
|
/* Connection binding to prevent renegotiation attacks */
|
|
unsigned char previous_client_finished[EVP_MAX_MD_SIZE];
|
|
unsigned char previous_client_finished_len;
|
|
unsigned char previous_server_finished[EVP_MAX_MD_SIZE];
|
|
unsigned char previous_server_finished_len;
|
|
int send_connection_binding; /* TODOEKR */
|
|
|
|
# ifndef OPENSSL_NO_NEXTPROTONEG
|
|
/*
|
|
* Set if we saw the Next Protocol Negotiation extension from our peer.
|
|
*/
|
|
int next_proto_neg_seen;
|
|
# endif
|
|
|
|
# ifndef OPENSSL_NO_TLSEXT
|
|
# ifndef OPENSSL_NO_EC
|
|
/*
|
|
* This is set to true if we believe that this is a version of Safari
|
|
* running on OS X 10.6 or newer. We wish to know this because Safari on
|
|
* 10.8 .. 10.8.3 has broken ECDHE-ECDSA support.
|
|
*/
|
|
char is_probably_safari;
|
|
# endif /* !OPENSSL_NO_EC */
|
|
|
|
/*
|
|
* ALPN information (we are in the process of transitioning from NPN to
|
|
* ALPN.)
|
|
*/
|
|
|
|
/*
|
|
* In a server these point to the selected ALPN protocol after the
|
|
* ClientHello has been processed. In a client these contain the protocol
|
|
* that the server selected once the ServerHello has been processed.
|
|
*/
|
|
unsigned char *alpn_selected;
|
|
unsigned alpn_selected_len;
|
|
# endif /* OPENSSL_NO_TLSEXT */
|
|
} SSL3_STATE;
|
|
|
|
# endif
|
|
|
|
/* SSLv3 */
|
|
/*
|
|
* client
|
|
*/
|
|
/* extra state */
|
|
# define SSL3_ST_CW_FLUSH (0x100|SSL_ST_CONNECT)
|
|
# ifndef OPENSSL_NO_SCTP
|
|
# define DTLS1_SCTP_ST_CW_WRITE_SOCK (0x310|SSL_ST_CONNECT)
|
|
# define DTLS1_SCTP_ST_CR_READ_SOCK (0x320|SSL_ST_CONNECT)
|
|
# endif
|
|
/* write to server */
|
|
# define SSL3_ST_CW_CLNT_HELLO_A (0x110|SSL_ST_CONNECT)
|
|
# define SSL3_ST_CW_CLNT_HELLO_B (0x111|SSL_ST_CONNECT)
|
|
/* read from server */
|
|
# define SSL3_ST_CR_SRVR_HELLO_A (0x120|SSL_ST_CONNECT)
|
|
# define SSL3_ST_CR_SRVR_HELLO_B (0x121|SSL_ST_CONNECT)
|
|
# define DTLS1_ST_CR_HELLO_VERIFY_REQUEST_A (0x126|SSL_ST_CONNECT)
|
|
# define DTLS1_ST_CR_HELLO_VERIFY_REQUEST_B (0x127|SSL_ST_CONNECT)
|
|
# define SSL3_ST_CR_CERT_A (0x130|SSL_ST_CONNECT)
|
|
# define SSL3_ST_CR_CERT_B (0x131|SSL_ST_CONNECT)
|
|
# define SSL3_ST_CR_KEY_EXCH_A (0x140|SSL_ST_CONNECT)
|
|
# define SSL3_ST_CR_KEY_EXCH_B (0x141|SSL_ST_CONNECT)
|
|
# define SSL3_ST_CR_CERT_REQ_A (0x150|SSL_ST_CONNECT)
|
|
# define SSL3_ST_CR_CERT_REQ_B (0x151|SSL_ST_CONNECT)
|
|
# define SSL3_ST_CR_SRVR_DONE_A (0x160|SSL_ST_CONNECT)
|
|
# define SSL3_ST_CR_SRVR_DONE_B (0x161|SSL_ST_CONNECT)
|
|
/* write to server */
|
|
# define SSL3_ST_CW_CERT_A (0x170|SSL_ST_CONNECT)
|
|
# define SSL3_ST_CW_CERT_B (0x171|SSL_ST_CONNECT)
|
|
# define SSL3_ST_CW_CERT_C (0x172|SSL_ST_CONNECT)
|
|
# define SSL3_ST_CW_CERT_D (0x173|SSL_ST_CONNECT)
|
|
# define SSL3_ST_CW_KEY_EXCH_A (0x180|SSL_ST_CONNECT)
|
|
# define SSL3_ST_CW_KEY_EXCH_B (0x181|SSL_ST_CONNECT)
|
|
# define SSL3_ST_CW_CERT_VRFY_A (0x190|SSL_ST_CONNECT)
|
|
# define SSL3_ST_CW_CERT_VRFY_B (0x191|SSL_ST_CONNECT)
|
|
# define SSL3_ST_CW_CHANGE_A (0x1A0|SSL_ST_CONNECT)
|
|
# define SSL3_ST_CW_CHANGE_B (0x1A1|SSL_ST_CONNECT)
|
|
# ifndef OPENSSL_NO_NEXTPROTONEG
|
|
# define SSL3_ST_CW_NEXT_PROTO_A (0x200|SSL_ST_CONNECT)
|
|
# define SSL3_ST_CW_NEXT_PROTO_B (0x201|SSL_ST_CONNECT)
|
|
# endif
|
|
# define SSL3_ST_CW_FINISHED_A (0x1B0|SSL_ST_CONNECT)
|
|
# define SSL3_ST_CW_FINISHED_B (0x1B1|SSL_ST_CONNECT)
|
|
/* read from server */
|
|
# define SSL3_ST_CR_CHANGE_A (0x1C0|SSL_ST_CONNECT)
|
|
# define SSL3_ST_CR_CHANGE_B (0x1C1|SSL_ST_CONNECT)
|
|
# define SSL3_ST_CR_FINISHED_A (0x1D0|SSL_ST_CONNECT)
|
|
# define SSL3_ST_CR_FINISHED_B (0x1D1|SSL_ST_CONNECT)
|
|
# define SSL3_ST_CR_SESSION_TICKET_A (0x1E0|SSL_ST_CONNECT)
|
|
# define SSL3_ST_CR_SESSION_TICKET_B (0x1E1|SSL_ST_CONNECT)
|
|
# define SSL3_ST_CR_CERT_STATUS_A (0x1F0|SSL_ST_CONNECT)
|
|
# define SSL3_ST_CR_CERT_STATUS_B (0x1F1|SSL_ST_CONNECT)
|
|
|
|
/* server */
|
|
/* extra state */
|
|
# define SSL3_ST_SW_FLUSH (0x100|SSL_ST_ACCEPT)
|
|
# ifndef OPENSSL_NO_SCTP
|
|
# define DTLS1_SCTP_ST_SW_WRITE_SOCK (0x310|SSL_ST_ACCEPT)
|
|
# define DTLS1_SCTP_ST_SR_READ_SOCK (0x320|SSL_ST_ACCEPT)
|
|
# endif
|
|
/* read from client */
|
|
/* Do not change the number values, they do matter */
|
|
# define SSL3_ST_SR_CLNT_HELLO_A (0x110|SSL_ST_ACCEPT)
|
|
# define SSL3_ST_SR_CLNT_HELLO_B (0x111|SSL_ST_ACCEPT)
|
|
# define SSL3_ST_SR_CLNT_HELLO_C (0x112|SSL_ST_ACCEPT)
|
|
# define SSL3_ST_SR_CLNT_HELLO_D (0x115|SSL_ST_ACCEPT)
|
|
/* write to client */
|
|
# define DTLS1_ST_SW_HELLO_VERIFY_REQUEST_A (0x113|SSL_ST_ACCEPT)
|
|
# define DTLS1_ST_SW_HELLO_VERIFY_REQUEST_B (0x114|SSL_ST_ACCEPT)
|
|
# define SSL3_ST_SW_HELLO_REQ_A (0x120|SSL_ST_ACCEPT)
|
|
# define SSL3_ST_SW_HELLO_REQ_B (0x121|SSL_ST_ACCEPT)
|
|
# define SSL3_ST_SW_HELLO_REQ_C (0x122|SSL_ST_ACCEPT)
|
|
# define SSL3_ST_SW_SRVR_HELLO_A (0x130|SSL_ST_ACCEPT)
|
|
# define SSL3_ST_SW_SRVR_HELLO_B (0x131|SSL_ST_ACCEPT)
|
|
# define SSL3_ST_SW_CERT_A (0x140|SSL_ST_ACCEPT)
|
|
# define SSL3_ST_SW_CERT_B (0x141|SSL_ST_ACCEPT)
|
|
# define SSL3_ST_SW_KEY_EXCH_A (0x150|SSL_ST_ACCEPT)
|
|
# define SSL3_ST_SW_KEY_EXCH_B (0x151|SSL_ST_ACCEPT)
|
|
# define SSL3_ST_SW_CERT_REQ_A (0x160|SSL_ST_ACCEPT)
|
|
# define SSL3_ST_SW_CERT_REQ_B (0x161|SSL_ST_ACCEPT)
|
|
# define SSL3_ST_SW_SRVR_DONE_A (0x170|SSL_ST_ACCEPT)
|
|
# define SSL3_ST_SW_SRVR_DONE_B (0x171|SSL_ST_ACCEPT)
|
|
/* read from client */
|
|
# define SSL3_ST_SR_CERT_A (0x180|SSL_ST_ACCEPT)
|
|
# define SSL3_ST_SR_CERT_B (0x181|SSL_ST_ACCEPT)
|
|
# define SSL3_ST_SR_KEY_EXCH_A (0x190|SSL_ST_ACCEPT)
|
|
# define SSL3_ST_SR_KEY_EXCH_B (0x191|SSL_ST_ACCEPT)
|
|
# define SSL3_ST_SR_CERT_VRFY_A (0x1A0|SSL_ST_ACCEPT)
|
|
# define SSL3_ST_SR_CERT_VRFY_B (0x1A1|SSL_ST_ACCEPT)
|
|
# define SSL3_ST_SR_CHANGE_A (0x1B0|SSL_ST_ACCEPT)
|
|
# define SSL3_ST_SR_CHANGE_B (0x1B1|SSL_ST_ACCEPT)
|
|
# ifndef OPENSSL_NO_NEXTPROTONEG
|
|
# define SSL3_ST_SR_NEXT_PROTO_A (0x210|SSL_ST_ACCEPT)
|
|
# define SSL3_ST_SR_NEXT_PROTO_B (0x211|SSL_ST_ACCEPT)
|
|
# endif
|
|
# define SSL3_ST_SR_FINISHED_A (0x1C0|SSL_ST_ACCEPT)
|
|
# define SSL3_ST_SR_FINISHED_B (0x1C1|SSL_ST_ACCEPT)
|
|
/* write to client */
|
|
# define SSL3_ST_SW_CHANGE_A (0x1D0|SSL_ST_ACCEPT)
|
|
# define SSL3_ST_SW_CHANGE_B (0x1D1|SSL_ST_ACCEPT)
|
|
# define SSL3_ST_SW_FINISHED_A (0x1E0|SSL_ST_ACCEPT)
|
|
# define SSL3_ST_SW_FINISHED_B (0x1E1|SSL_ST_ACCEPT)
|
|
# define SSL3_ST_SW_SESSION_TICKET_A (0x1F0|SSL_ST_ACCEPT)
|
|
# define SSL3_ST_SW_SESSION_TICKET_B (0x1F1|SSL_ST_ACCEPT)
|
|
# define SSL3_ST_SW_CERT_STATUS_A (0x200|SSL_ST_ACCEPT)
|
|
# define SSL3_ST_SW_CERT_STATUS_B (0x201|SSL_ST_ACCEPT)
|
|
|
|
# define SSL3_MT_HELLO_REQUEST 0
|
|
# define SSL3_MT_CLIENT_HELLO 1
|
|
# define SSL3_MT_SERVER_HELLO 2
|
|
# define SSL3_MT_NEWSESSION_TICKET 4
|
|
# define SSL3_MT_CERTIFICATE 11
|
|
# define SSL3_MT_SERVER_KEY_EXCHANGE 12
|
|
# define SSL3_MT_CERTIFICATE_REQUEST 13
|
|
# define SSL3_MT_SERVER_DONE 14
|
|
# define SSL3_MT_CERTIFICATE_VERIFY 15
|
|
# define SSL3_MT_CLIENT_KEY_EXCHANGE 16
|
|
# define SSL3_MT_FINISHED 20
|
|
# define SSL3_MT_CERTIFICATE_STATUS 22
|
|
# ifndef OPENSSL_NO_NEXTPROTONEG
|
|
# define SSL3_MT_NEXT_PROTO 67
|
|
# endif
|
|
# define DTLS1_MT_HELLO_VERIFY_REQUEST 3
|
|
|
|
# define SSL3_MT_CCS 1
|
|
|
|
/* These are used when changing over to a new cipher */
|
|
# define SSL3_CC_READ 0x01
|
|
# define SSL3_CC_WRITE 0x02
|
|
# define SSL3_CC_CLIENT 0x10
|
|
# define SSL3_CC_SERVER 0x20
|
|
# define SSL3_CHANGE_CIPHER_CLIENT_WRITE (SSL3_CC_CLIENT|SSL3_CC_WRITE)
|
|
# define SSL3_CHANGE_CIPHER_SERVER_READ (SSL3_CC_SERVER|SSL3_CC_READ)
|
|
# define SSL3_CHANGE_CIPHER_CLIENT_READ (SSL3_CC_CLIENT|SSL3_CC_READ)
|
|
# define SSL3_CHANGE_CIPHER_SERVER_WRITE (SSL3_CC_SERVER|SSL3_CC_WRITE)
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
#endif
|