1/* evp_cnf.c */ 2/* 3 * Written by Stephen Henson (steve@openssl.org) for the OpenSSL project 4 * 2007. 5 */ 6/* ==================================================================== 7 * Copyright (c) 2007 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 <ctype.h> 62#include <openssl/crypto.h> 63#include "cryptlib.h" 64#include <openssl/conf.h> 65#include <openssl/dso.h> 66#include <openssl/x509.h> 67#include <openssl/x509v3.h> 68#ifdef OPENSSL_FIPS 69# include <openssl/fips.h> 70#endif 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 EVPerr(EVP_F_ALG_MODULE_INIT, EVP_R_ERROR_LOADING_SECTION); 83 return 0; 84 } 85 for (i = 0; i < sk_CONF_VALUE_num(sktmp); i++) { 86 oval = sk_CONF_VALUE_value(sktmp, i); 87 if (!strcmp(oval->name, "fips_mode")) { 88 int m; 89 if (!X509V3_get_value_bool(oval, &m)) { 90 EVPerr(EVP_F_ALG_MODULE_INIT, EVP_R_INVALID_FIPS_MODE); 91 return 0; 92 } 93 if (m > 0) { 94#ifdef OPENSSL_FIPS 95 if (!FIPS_mode() && !FIPS_mode_set(1)) { 96 EVPerr(EVP_F_ALG_MODULE_INIT, 97 EVP_R_ERROR_SETTING_FIPS_MODE); 98 return 0; 99 } 100#else 101 EVPerr(EVP_F_ALG_MODULE_INIT, EVP_R_FIPS_MODE_NOT_SUPPORTED); 102 return 0; 103#endif 104 } 105 } else { 106 EVPerr(EVP_F_ALG_MODULE_INIT, EVP_R_UNKNOWN_OPTION); 107 ERR_add_error_data(4, "name=", oval->name, 108 ", value=", oval->value); 109 } 110 111 } 112 return 1; 113} 114 115void EVP_add_alg_module(void) 116{ 117 CONF_module_add("alg_section", alg_module_init, 0); 118} 119