crypto/conf/conf_sap.c

   1 /*
   2  * Copyright 2002-2023 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the Apache License 2.0 (the "License").  You may not use
   5  * this file except in compliance with the License.  You can obtain a copy
   6  * in the file LICENSE in the source distribution or at
   7  * https://www.openssl.org/source/license.html
   8  */
   9
  10 #include <stdio.h>
  11 #include <openssl/crypto.h>
  12 #include "internal/cryptlib.h"
  13 #include "internal/conf.h"
  14 #include "conf_local.h"
  15 #include <openssl/x509.h>
  16 #include <openssl/asn1.h>
  17 #include <openssl/engine.h>
  18
  19 #if defined(_WIN32) && !defined(__BORLANDC__)
  20 # define strdup _strdup
  21 #endif
  22
  23 /*
  24  * This is the automatic configuration loader: it is called automatically by
  25  * OpenSSL when any of a number of standard initialisation functions are
  26  * called, unless this is overridden by calling OPENSSL_no_config()
  27  */
  28
  29 static int openssl_configured = 0;
  30
  31 #ifndef OPENSSL_NO_DEPRECATED_1_1_0
  32 void OPENSSL_config(const char *appname)
  33 {
  34     OPENSSL_INIT_SETTINGS settings;
  35
  36     memset(&settings, 0, sizeof(settings));
  37     if (appname != NULL)
  38         settings.appname = strdup(appname);
  39     settings.flags = DEFAULT_CONF_MFLAGS;
  40     OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CONFIG, &settings);
  41 }
  42 #endif
  43
  44 int ossl_config_int(const OPENSSL_INIT_SETTINGS *settings)
  45 {
  46     int ret = 0;
  47 #if defined(OPENSSL_INIT_DEBUG) || !defined(OPENSSL_SYS_UEFI)
  48     const char *filename;
  49     const char *appname;
  50     unsigned long flags;
  51 #endif
  52
  53     if (openssl_configured)
  54         return 1;
  55
  56 #if defined(OPENSSL_INIT_DEBUG) || !defined(OPENSSL_SYS_UEFI)
  57     filename = settings ? settings->filename : NULL;
  58     appname = settings ? settings->appname : NULL;
  59     flags = settings ? settings->flags : DEFAULT_CONF_MFLAGS;
  60 #endif
  61
  62 #ifdef OPENSSL_INIT_DEBUG
  63     fprintf(stderr, "OPENSSL_INIT: ossl_config_int(%s, %s, %lu)\n",
  64             filename, appname, flags);
  65 #endif
  66
  67 #ifndef OPENSSL_SYS_UEFI
  68     ret = CONF_modules_load_file_ex(OSSL_LIB_CTX_get0_global_default(),
  69                                     filename, appname, flags);
  70 #else
  71     ret = 1;
  72 #endif
  73     openssl_configured = 1;
  74     return ret;
  75 }
  76
  77 void ossl_no_config_int(void)
  78 {
  79     openssl_configured = 1;
  80 }