ssl.h

很有名的一款用于组织DDoS的恶意机器人程序。仅供研究学习

/* ssl/ssl.h */
/* Copyright (C) 1995-1998 Eric Young ([e-mail])
 * All rights reserved.
 *
 * This package is an SSL implementation written
 * by Eric Young ([e-mail]).
 * 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 ([e-mail]).
 * 
 * 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 ([e-mail])"
 *    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 ([e-mail])"
 * 
 * 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
 *    [e-mail].
 *
 * 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
 * ([e-mail]).  This product includes software written by Tim
 * Hudson ([e-mail]).
 *
 */

#ifndef HEADER_SSL_H 
#define HEADER_SSL_H 

#ifndef NO_COMP
#include <openssl/comp.h>
#endif
#ifndef NO_BIO
#include <openssl/bio.h>
#endif
#ifndef NO_X509
#include <openssl/x509.h>
#endif
#include <openssl/safestack.h>

#ifdef  __cplusplus
extern "C" {
#endif

/* SSLeay version number for ASN.1 encoding of the session information */
/* Version 0 - initial version
 * Version 1 - added the optional peer certificate
 */
#define SSL_SESSION_ASN1_VERSION 0x0001

/* text strings for the ciphers */
#define SSL_TXT_NULL_WITH_MD5		SSL2_TXT_NULL_WITH_MD5			
#define SSL_TXT_RC4_128_WITH_MD5	SSL2_TXT_RC4_128_WITH_MD5		
#define SSL_TXT_RC4_128_EXPORT40_WITH_MD5 SSL2_TXT_RC4_128_EXPORT40_WITH_MD5	
#define SSL_TXT_RC2_128_CBC_WITH_MD5	SSL2_TXT_RC2_128_CBC_WITH_MD5		
#define SSL_TXT_RC2_128_CBC_EXPORT40_WITH_MD5 SSL2_TXT_RC2_128_CBC_EXPORT40_WITH_MD5	
#define SSL_TXT_IDEA_128_CBC_WITH_MD5	SSL2_TXT_IDEA_128_CBC_WITH_MD5		
#define SSL_TXT_DES_64_CBC_WITH_MD5	SSL2_TXT_DES_64_CBC_WITH_MD5		
#define SSL_TXT_DES_64_CBC_WITH_SHA	SSL2_TXT_DES_64_CBC_WITH_SHA		
#define SSL_TXT_DES_192_EDE3_CBC_WITH_MD5 SSL2_TXT_DES_192_EDE3_CBC_WITH_MD5	
#define SSL_TXT_DES_192_EDE3_CBC_WITH_SHA SSL2_TXT_DES_192_EDE3_CBC_WITH_SHA	

#define SSL_MAX_SSL_SESSION_ID_LENGTH		32
#define SSL_MAX_SID_CTX_LENGTH			32

#define SSL_MIN_RSA_MODULUS_LENGTH_IN_BYTES	(512/8)
#define SSL_MAX_KEY_ARG_LENGTH			8
#define SSL_MAX_MASTER_KEY_LENGTH		48

/* These are used to specify which ciphers to use and not to use */
#define SSL_TXT_LOW		"LOW"
#define SSL_TXT_MEDIUM		"MEDIUM"
#define SSL_TXT_HIGH		"HIGH"
#define SSL_TXT_kFZA		"kFZA"
#define	SSL_TXT_aFZA		"aFZA"
#define SSL_TXT_eFZA		"eFZA"
#define SSL_TXT_FZA		"FZA"

#define	SSL_TXT_aNULL		"aNULL"
#define	SSL_TXT_eNULL		"eNULL"
#define	SSL_TXT_NULL		"NULL"

#define SSL_TXT_kRSA		"kRSA"
#define SSL_TXT_kDHr		"kDHr"
#define SSL_TXT_kDHd		"kDHd"
#define SSL_TXT_kEDH		"kEDH"
#define	SSL_TXT_aRSA		"aRSA"
#define	SSL_TXT_aDSS		"aDSS"
#define	SSL_TXT_aDH		"aDH"
#define	SSL_TXT_DSS		"DSS"
#define SSL_TXT_DH		"DH"
#define SSL_TXT_EDH		"EDH"
#define SSL_TXT_ADH		"ADH"
#define SSL_TXT_RSA		"RSA"
#define SSL_TXT_DES		"DES"
#define SSL_TXT_3DES		"3DES"
#define SSL_TXT_RC4		"RC4"
#define SSL_TXT_RC2		"RC2"
#define SSL_TXT_IDEA		"IDEA"
#define SSL_TXT_MD5		"MD5"
#define SSL_TXT_SHA1		"SHA1"
#define SSL_TXT_SHA		"SHA"
#define SSL_TXT_EXP		"EXP"
#define SSL_TXT_EXPORT		"EXPORT"
#define SSL_TXT_EXP40		"EXPORT40"
#define SSL_TXT_EXP56		"EXPORT56"
#define SSL_TXT_SSLV2		"SSLv2"
#define SSL_TXT_SSLV3		"SSLv3"
#define SSL_TXT_TLSV1		"TLSv1"
#define SSL_TXT_ALL		"ALL"

/* 'DEFAULT' at the start of the cipher list insert the following string
 * in addition to this being the default cipher string */
#define SSL_DEFAULT_CIPHER_LIST	"ALL:!ADH:RC4+RSA:+SSLv2:@STRENGTH"

/* Used in SSL_set_shutdown()/SSL_get_shutdown(); */
#define SSL_SENT_SHUTDOWN	1
#define SSL_RECEIVED_SHUTDOWN	2

#ifdef __cplusplus
}
#endif

#include <openssl/crypto.h>
#include <openssl/lhash.h>
#include <openssl/buffer.h>
#include <openssl/bio.h>
#include <openssl/pem.h>
#include <openssl/x509.h>

#ifdef  __cplusplus
extern "C" {
#endif

#if (defined(NO_RSA) || defined(NO_MD5)) && !defined(NO_SSL2)
#define NO_SSL2
#endif

#define SSL_FILETYPE_ASN1	X509_FILETYPE_ASN1
#define SSL_FILETYPE_PEM	X509_FILETYPE_PEM

/* This is needed to stop compilers complaining about the
 * 'struct ssl_st *' function parameters used to prototype callbacks
 * in SSL_CTX. */
typedef struct ssl_st *ssl_crock_st;

/* used to hold info on the particular ciphers used */
typedef struct ssl_cipher_st
	{
	int valid;
	const char *name;		/* text name */
	unsigned long id;		/* id, 4 bytes, first is version */
	unsigned long algorithms;	/* what ciphers are used */
	unsigned long algo_strength;	/* strength and export flags */
	unsigned long algorithm2;	/* Extra flags */
	int strength_bits;		/* Number of bits really used */
	int alg_bits;			/* Number of bits for algorithm */
	unsigned long mask;		/* used for matching */
	unsigned long mask_strength;	/* also used for matching */
	} SSL_CIPHER;

DECLARE_STACK_OF(SSL_CIPHER)

typedef struct ssl_st SSL;
typedef struct ssl_ctx_st SSL_CTX;

/* Used to hold functions for SSLv2 or SSLv3/TLSv1 functions */
typedef struct ssl_method_st
	{
	int version;
	int (*ssl_new)(SSL *s);
	void (*ssl_clear)(SSL *s);
	void (*ssl_free)(SSL *s);
	int (*ssl_accept)(SSL *s);
	int (*ssl_connect)(SSL *s);
	int (*ssl_read)(SSL *s,void *buf,int len);
	int (*ssl_peek)(SSL *s,void *buf,int len);
	int (*ssl_write)(SSL *s,const void *buf,int len);
	int (*ssl_shutdown)(SSL *s);
	int (*ssl_renegotiate)(SSL *s);
	int (*ssl_renegotiate_check)(SSL *s);
	long (*ssl_ctrl)(SSL *s,int cmd,long larg,char *parg);
	long (*ssl_ctx_ctrl)(SSL_CTX *ctx,int cmd,long larg,char *parg);
	SSL_CIPHER *(*get_cipher_by_char)(const unsigned char *ptr);
	int (*put_cipher_by_char)(const SSL_CIPHER *cipher,unsigned char *ptr);
	int (*ssl_pending)(SSL *s);
	int (*num_ciphers)(void);
	SSL_CIPHER *(*get_cipher)(unsigned ncipher);
	struct ssl_method_st *(*get_ssl_method)(int version);
	long (*get_timeout)(void);
	struct ssl3_enc_method *ssl3_enc; /* Extra SSLv3/TLS stuff */
	int (*ssl_version)();
	long (*ssl_callback_ctrl)(SSL *s, int cb_id, void (*fp)());
	long (*ssl_ctx_callback_ctrl)(SSL_CTX *s, int cb_id, void (*fp)());
	} SSL_METHOD;

/* Lets make this into an ASN.1 type structure as follows
 * SSL_SESSION_ID ::= SEQUENCE {
 *	version 		INTEGER,	-- structure version number
 *	SSLversion 		INTEGER,	-- SSL version number
 *	Cipher 			OCTET_STRING,	-- the 3 byte cipher ID
 *	Session_ID 		OCTET_STRING,	-- the Session ID
 *	Master_key 		OCTET_STRING,	-- the master key
 *	Key_Arg [ 0 ] IMPLICIT	OCTET_STRING,	-- the optional Key argument
 *	Time [ 1 ] EXPLICIT	INTEGER,	-- optional Start Time
 *	Timeout [ 2 ] EXPLICIT	INTEGER,	-- optional Timeout ins seconds
 *	Peer [ 3 ] EXPLICIT	X509,		-- optional Peer Certificate
 *	Session_ID_context [ 4 ] EXPLICIT OCTET_STRING,   -- the Session ID context
 *	Verify_result [ 5 ] EXPLICIT INTEGER    -- X509_V_... code for `Peer'
 *	Compression [6] IMPLICIT ASN1_OBJECT	-- compression OID XXXXX
 *	}
 * Look in ssl/ssl_asn1.c for more details
 * I'm using EXPLICIT tags so I can read the damn things using asn1parse :-).
 */
typedef struct ssl_session_st
	{
	int ssl_version;	/* what ssl version session info is
				 * being kept in here? */

	/* only really used in SSLv2 */
	unsigned int key_arg_length;
	unsigned char key_arg[SSL_MAX_KEY_ARG_LENGTH];
	int master_key_length;
	unsigned char master_key[SSL_MAX_MASTER_KEY_LENGTH];
	/* session_id - valid? */
	unsigned int session_id_length;
	unsigned char session_id[SSL_MAX_SSL_SESSION_ID_LENGTH];
	/* this is used to determine whether the session is being reused in
	 * the appropriate context. It is up to the application to set this,
	 * via SSL_new */
	unsigned int sid_ctx_length;
	unsigned char sid_ctx[SSL_MAX_SID_CTX_LENGTH];

	int not_resumable;

	/* The cert is the certificate used to establish this connection */
	struct sess_cert_st /* SESS_CERT */ *sess_cert;

	/* This is the cert for the other end.
	 * On clients, it will be the same as sess_cert->peer_key->x509
	 * (the latter is not enough as sess_cert is not retained
	 * in the external representation of sessions, see ssl_asn1.c). */
	X509 *peer;
	/* when app_verify_callback accepts a session where the peer's certificate
	 * is not ok, we must remember the error for session reuse: */