crypto/conf/conf_sap.c

   1 /*
   2  * Written by Stephen Henson (steve@openssl.org) for the OpenSSL project
   3  * 2001.
   4  */
   5 /* ====================================================================
   6  * Copyright (c) 2001 The OpenSSL Project.  All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  *
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  *
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in
  17  *    the documentation and/or other materials provided with the
  18  *    distribution.
  19  *
  20  * 3. All advertising materials mentioning features or use of this
  21  *    software must display the following acknowledgment:
  22  *    "This product includes software developed by the OpenSSL Project
  23  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
  24  *
  25  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  26  *    endorse or promote products derived from this software without
  27  *    prior written permission. For written permission, please contact
  28  *    licensing@OpenSSL.org.
  29  *
  30  * 5. Products derived from this software may not be called "OpenSSL"
  31  *    nor may "OpenSSL" appear in their names without prior written
  32  *    permission of the OpenSSL Project.
  33  *
  34  * 6. Redistributions of any form whatsoever must retain the following
  35  *    acknowledgment:
  36  *    "This product includes software developed by the OpenSSL Project
  37  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
  38  *
  39  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  40  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  41  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  42  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  43  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  44  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  45  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  46  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  47  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  48  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  49  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  50  * OF THE POSSIBILITY OF SUCH DAMAGE.
  51  * ====================================================================
  52  *
  53  * This product includes cryptographic software written by Eric Young
  54  * (eay@cryptsoft.com).  This product includes software written by Tim
  55  * Hudson (tjh@cryptsoft.com).
  56  *
  57  */
  58
  59 #include <stdio.h>
  60 #include <openssl/crypto.h>
  61 #include "internal/cryptlib.h"
  62 #include <internal/conf.h>
  63 #include <openssl/x509.h>
  64 #include <openssl/asn1.h>
  65 #include <openssl/engine.h>
  66
  67 /*
  68  * This is the automatic configuration loader: it is called automatically by
  69  * OpenSSL when any of a number of standard initialisation functions are
  70  * called, unless this is overridden by calling OPENSSL_no_config()
  71  */
  72
  73 static int openssl_configured = 0;
  74
  75 #if OPENSSL_API_COMPAT < 0x10100000L
  76 void OPENSSL_config(const char *config_name)
  77 {
  78     OPENSSL_INIT_SETTINGS settings;
  79
  80     memset(&settings, 0, sizeof(settings));
  81     if (config_name != NULL)
  82         settings.config_name = strdup(config_name);
  83     OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CONFIG, &settings);
  84 }
  85 #endif
  86
  87 void int_openssl_config(const char *config_name)
  88 {
  89     if (openssl_configured)
  90         return;
  91
  92     OPENSSL_load_builtin_modules();
  93 #ifndef OPENSSL_NO_ENGINE
  94     /* Need to load ENGINEs */
  95     ENGINE_load_builtin_engines();
  96 #endif
  97     ERR_clear_error();
  98 #ifndef OPENSSL_SYS_UEFI
  99     CONF_modules_load_file(NULL, config_name,
 100                                CONF_MFLAGS_DEFAULT_SECTION |
 101                                CONF_MFLAGS_IGNORE_MISSING_FILE);
 102 #endif
 103     openssl_configured = 1;
 104 }
 105
 106 void int_openssl_no_config(void)
 107 {
 108     openssl_configured = 1;
 109 }