Home | History | Annotate | Download | only in evp 
      1 /* evp_cnf.c */
      2 /* Written by Stephen Henson (steve (at) 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 (at) 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 (at) cryptsoft.com).  This product includes software written by Tim
     55  * Hudson (tjh (at) 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 	}
    126