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1 | /* conf_mall.c */ |
2 | /* Written by Stephen Henson (shenson@bigfoot.com) for the OpenSSL | |
3 | * project 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 "cryptlib.h" | |
62 | #include <openssl/conf.h> | |
63 | #include <openssl/dso.h> | |
64 | #include <openssl/x509.h> | |
65 | #include <openssl/asn1.h> | |
66 | ||
67 | void OPENSSL_load_builtin_modules(void) | |
68 | { | |
69 | /* Add builtin modules here */ | |
70 | ASN1_add_oid_module(); | |
71 | } | |
72 | ||
73 | /* This is the automatic configuration loader: it is called automatically by | |
74 | * OpenSSL when any of a number of standard initialisation functions are called, | |
75 | * unless this is overridden by calling OPENSSL_no_config() | |
76 | */ | |
77 | ||
78 | static int openssl_configured = 0; | |
79 | ||
80 | void OPENSSL_config(void) | |
81 | { | |
82 | char *file, config_name[256]; | |
83 | if (openssl_configured) | |
84 | return; | |
85 | ||
86 | OPENSSL_load_builtin_modules(); | |
87 | ||
88 | file = getenv("OPENSSL_CONF"); | |
89 | if (!file) | |
90 | { | |
91 | strcpy(config_name,X509_get_default_cert_area()); | |
92 | #ifndef OPENSSL_SYS_VMS | |
93 | strcat(config_name,"/"); | |
94 | #endif | |
95 | strcat(config_name,OPENSSL_CONF); | |
96 | file=config_name; | |
97 | } | |
98 | ||
99 | CONF_modules_load_file(file, "openssl_config", CONF_MFLAGS_IGNORE_ERRORS); | |
100 | ||
101 | return; | |
102 | ||
103 | } | |
104 | ||
105 | void OPENSSL_no_config() | |
106 | { | |
107 | openssl_configured = 1; | |
108 | } |