1 /* 2 * Copyright 2002-2024 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 free(settings.appname); 43 } 44 #endif 45 46 int ossl_config_int(const OPENSSL_INIT_SETTINGS *settings) 47 { 48 int ret = 0; 49 #if defined(OPENSSL_INIT_DEBUG) || !defined(OPENSSL_SYS_UEFI) 50 const char *filename; 51 const char *appname; 52 unsigned long flags; 53 #endif 54 55 if (openssl_configured) 56 return 1; 57 58 #if defined(OPENSSL_INIT_DEBUG) || !defined(OPENSSL_SYS_UEFI) 59 filename = settings ? settings->filename : NULL; 60 appname = settings ? settings->appname : NULL; 61 flags = settings ? settings->flags : DEFAULT_CONF_MFLAGS; 62 #endif 63 64 #ifdef OPENSSL_INIT_DEBUG 65 fprintf(stderr, "OPENSSL_INIT: ossl_config_int(%s, %s, %lu)\n", 66 filename, appname, flags); 67 #endif 68 69 #ifndef OPENSSL_SYS_UEFI 70 ret = CONF_modules_load_file_ex(OSSL_LIB_CTX_get0_global_default(), 71 filename, appname, flags); 72 #else 73 ret = 1; 74 #endif 75 openssl_configured = 1; 76 return ret; 77 } 78 79 void ossl_no_config_int(void) 80 { 81 openssl_configured = 1; 82 } 83