openssl/crypto/conf/conf_mall.c
Dr. Stephen Henson c9501c223f Initial ENGINE config module, docs to follow.
Fix buffer overrun errors in OPENSSL_conf().
2002-01-21 03:02:36 +00:00

118 lines
3.8 KiB
C

/* conf_mall.c */
/* Written by Stephen Henson (shenson@bigfoot.com) for the OpenSSL
* project 2001.
*/
/* ====================================================================
* Copyright (c) 2001 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
* licensing@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).
*
*/
#include <stdio.h>
#include <openssl/crypto.h>
#include "cryptlib.h"
#include <openssl/conf.h>
#include <openssl/dso.h>
#include <openssl/x509.h>
#include <openssl/asn1.h>
#include <openssl/engine.h>
void OPENSSL_load_builtin_modules(void)
{
/* Add builtin modules here */
ASN1_add_oid_module();
ENGINE_add_conf_module();
}
/* This is the automatic configuration loader: it is called automatically by
* OpenSSL when any of a number of standard initialisation functions are called,
* unless this is overridden by calling OPENSSL_no_config()
*/
static int openssl_configured = 0;
void OPENSSL_config(void)
{
int ret;
char *file;
if (openssl_configured)
return;
OPENSSL_load_builtin_modules();
file = CONF_get1_default_config_file();
if (!file)
return;
ret = CONF_modules_load_file(file, "openssl_config", 0);
OPENSSL_free(file);
if (ret <= 0)
{
BIO *bio_err;
ERR_load_crypto_strings();
if ((bio_err=BIO_new(BIO_s_file())) != NULL)
{
BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
BIO_printf(bio_err,"Auto configuration failed\n");
ERR_print_errors(bio_err);
}
exit(1);
}
return;
}
void OPENSSL_no_config()
{
openssl_configured = 1;
}