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