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
OPENSSL_config(const char * appname)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
ossl_config_int(const OPENSSL_INIT_SETTINGS * settings)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
ossl_no_config_int(void)79 void ossl_no_config_int(void)
80 {
81 openssl_configured = 1;
82 }
83
