openssl/crypto/conf/conf_sap.c

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2023-05-09 22:08:48 +00:00
/*
* Copyright 2002-2019 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <stdio.h>
#include <openssl/crypto.h>
#include "internal/cryptlib.h"
#include "internal/conf.h"
#include <openssl/x509.h>
#include <openssl/asn1.h>
#include <openssl/engine.h>
#ifdef _WIN32
# define strdup _strdup
#endif
/*
* 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;
#if OPENSSL_API_COMPAT < 0x10100000L
void OPENSSL_config(const char *appname)
{
OPENSSL_INIT_SETTINGS settings;
memset(&settings, 0, sizeof(settings));
if (appname != NULL)
settings.appname = strdup(appname);
settings.flags = DEFAULT_CONF_MFLAGS;
OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CONFIG, &settings);
}
#endif
int openssl_config_int(const OPENSSL_INIT_SETTINGS *settings)
{
int ret = 0;
const char *filename;
const char *appname;
unsigned long flags;
if (openssl_configured)
return 1;
filename = settings ? settings->filename : NULL;
appname = settings ? settings->appname : NULL;
flags = settings ? settings->flags : DEFAULT_CONF_MFLAGS;
#ifdef OPENSSL_INIT_DEBUG
fprintf(stderr, "OPENSSL_INIT: openssl_config_int(%s, %s, %lu)\n",
filename, appname, flags);
#endif
OPENSSL_load_builtin_modules();
#ifndef OPENSSL_NO_ENGINE
/* Need to load ENGINEs */
ENGINE_load_builtin_engines();
#endif
ERR_clear_error();
#ifndef OPENSSL_SYS_UEFI
ret = CONF_modules_load_file(filename, appname, flags);
#endif
openssl_configured = 1;
return ret;
}
void openssl_no_config_int(void)
{
openssl_configured = 1;
}