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
74static 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
122void EVP_add_alg_module(void)
123	{
124	CONF_module_add("alg_section", alg_module_init, 0);
125	}
126