1 /* evp_cnf.c */
2 /* Written by Stephen Henson (steve@openssl.org) for the OpenSSL
3 * project 2007.
4 */
5 /* ====================================================================
6 * Copyright (c) 2007 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 <ctype.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/x509v3.h>
67 #ifdef OPENSSL_FIPS
68 #include <openssl/fips.h>
69 #endif
70
71
72 /* Algorithm configuration module. */
73
74 static int alg_module_init(CONF_IMODULE *md, const CONF *cnf)
75 {
76 int i;
77 const char *oid_section;
78 STACK_OF(CONF_VALUE) *sktmp;
79 CONF_VALUE *oval;
80 oid_section = CONF_imodule_get_value(md);
81 if(!(sktmp = NCONF_get_section(cnf, oid_section)))
82 {
83 EVPerr(EVP_F_ALG_MODULE_INIT, EVP_R_ERROR_LOADING_SECTION);
84 return 0;
85 }
86 for(i = 0; i < sk_CONF_VALUE_num(sktmp); i++)
87 {
88 oval = sk_CONF_VALUE_value(sktmp, i);
89 if (!strcmp(oval->name, "fips_mode"))
90 {
91 int m;
92 if (!X509V3_get_value_bool(oval, &m))
93 {
94 EVPerr(EVP_F_ALG_MODULE_INIT, EVP_R_INVALID_FIPS_MODE);
95 return 0;
96 }
97 if (m > 0)
98 {
99 #ifdef OPENSSL_FIPS
100 if (!FIPS_mode() && !FIPS_mode_set(1))
101 {
102 EVPerr(EVP_F_ALG_MODULE_INIT, EVP_R_ERROR_SETTING_FIPS_MODE);
103 return 0;
104 }
105 #else
106 EVPerr(EVP_F_ALG_MODULE_INIT, EVP_R_FIPS_MODE_NOT_SUPPORTED);
107 return 0;
108 #endif
109 }
110 }
111 else
112 {
113 EVPerr(EVP_F_ALG_MODULE_INIT, EVP_R_UNKNOWN_OPTION);
114 ERR_add_error_data(4, "name=", oval->name,
115 ", value=", oval->value);
116 }
117
118 }
119 return 1;
120 }
121
122 void EVP_add_alg_module(void)
123 {
124 CONF_module_add("alg_section", alg_module_init, 0);
125 }