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/*                      _             _
**  _ __ ___   ___   __| |    ___ ___| |  mod_ssl
** | '_ ` _ \ / _ \ / _` |   / __/ __| |  Apache Interface to OpenSSL
** | | | | | | (_) | (_| |   \__ \__ \ |  www.modssl.org
** |_| |_| |_|\___/ \__,_|___|___/___/_|  ftp.modssl.org
**                      |_____|
**  ssl_util_ssl.h
**  Additional Utility Functions for OpenSSL
*/

/* ====================================================================
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2000-2001 The Apache Software Foundation.  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. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Apache" and "Apache Software Foundation" must
 *    not be used to endorse or promote products derived from this
 *    software without prior written permission. For written
 *    permission, please contact apache@apache.org.
 *
 * 5. Products derived from this software may not be called "Apache",
 *    nor may "Apache" appear in their name, without prior written
 *    permission of the Apache Software Foundation.
 *
 * THIS SOFTWARE IS PROVIDED ``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 APACHE SOFTWARE FOUNDATION 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.
 * ====================================================================
 */

#ifndef __SSL_UTIL_SSL_H__
#define __SSL_UTIL_SSL_H__

/*
 * Determine SSL library version number
 */
#ifdef OPENSSL_VERSION_NUMBER
#define SSL_LIBRARY_VERSION OPENSSL_VERSION_NUMBER
#define SSL_LIBRARY_NAME    "OpenSSL"
#define SSL_LIBRARY_TEXT    OPENSSL_VERSION_TEXT
#else
#define SSL_LIBRARY_VERSION 0x0000
#define SSL_LIBRARY_NAME    "OtherSSL"
#define SSL_LIBRARY_TEXT    "OtherSSL 0.0.0 00 XXX 0000"
#endif

/*
 * Support for retrieving/overriding states
 */
#ifndef SSL_get_state
#define SSL_get_state(ssl) SSL_state(ssl)
#endif
#define SSL_set_state(ssl,val) (ssl)->state = val

/*
 *  Maximum length of a DER encoded session.
 *  FIXME: There is no define in OpenSSL, but OpenSSL uses 1024*10,
 *         so this value should be ok. Although we have no warm feeling.
 */
#define SSL_SESSION_MAX_DER 1024*10

/*  
 *  Additional Functions
 */
int         SSL_get_app_data2_idx(void);
void       *SSL_get_app_data2(SSL *);
void        SSL_set_app_data2(SSL *, void *);
X509       *SSL_read_X509(char *, X509 **, int (*)(char*,int,int,void*));
EVP_PKEY   *SSL_read_PrivateKey(char *, EVP_PKEY **, int (*)(char*,int,int,void*), void *);
int         SSL_smart_shutdown(SSL *ssl);
X509_STORE *SSL_X509_STORE_create(char *, char *);
int         SSL_X509_STORE_lookup(X509_STORE *, int, X509_NAME *, X509_OBJECT *);
char       *SSL_make_ciphersuite(apr_pool_t *, SSL *);
BOOL        SSL_X509_isSGC(X509 *);
BOOL        SSL_X509_getBC(X509 *, int *, int *);
BOOL        SSL_X509_getCN(apr_pool_t *, X509 *, char **);
#ifdef SSL_EXPERIMENTAL_PROXY
BOOL        SSL_load_CrtAndKeyInfo_file(apr_pool_t *, STACK_OF(X509_INFO) *, char *);
BOOL        SSL_load_CrtAndKeyInfo_path(apr_pool_t *, STACK_OF(X509_INFO) *, char *);
#endif /* SSL_EXPERIMENTAL_PROXY */
int         SSL_CTX_use_certificate_chain(SSL_CTX *, char *, int, int (*)(char*,int,int,void*));
char       *SSL_SESSION_id2sz(unsigned char *, int);

#endif /* __SSL_UTIL_SSL_H__ */