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/* 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
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