1/*
2 * Copyright 2012-2017 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10#include <stdio.h>
11#include <openssl/crypto.h>
12#include "internal/cryptlib.h"
13#include <openssl/conf.h>
14#include <openssl/x509.h>
15#include <openssl/x509v3.h>
16#include <openssl/trace.h>
17
18/* Algorithm configuration module. */
19
20/* TODO(3.0): the config module functions should be passed a library context */
21static int alg_module_init(CONF_IMODULE *md, const CONF *cnf)
22{
23 int i;
24 const char *oid_section;
25 STACK_OF(CONF_VALUE) *sktmp;
26 CONF_VALUE *oval;
27
28 OSSL_TRACE2(CONF, "Loading EVP module: name %s, value %s\n",
29 CONF_imodule_get_name(md), CONF_imodule_get_value(md));
30
31 oid_section = CONF_imodule_get_value(md);
32 if ((sktmp = NCONF_get_section(cnf, oid_section)) == NULL) {
33 EVPerr(EVP_F_ALG_MODULE_INIT, EVP_R_ERROR_LOADING_SECTION);
34 return 0;
35 }
36 for (i = 0; i < sk_CONF_VALUE_num(sktmp); i++) {
37 oval = sk_CONF_VALUE_value(sktmp, i);
38 if (strcmp(oval->name, "fips_mode") == 0) {
39 int m;
40
41 if (!X509V3_get_value_bool(oval, &m)) {
42 EVPerr(EVP_F_ALG_MODULE_INIT, EVP_R_INVALID_FIPS_MODE);
43 return 0;
44 }
45 /*
46 * fips_mode is deprecated and should not be used in new
47 * configurations. Old configurations are likely to ONLY
48 * have this, so we assume that no default properties have
49 * been set before this.
50 */
51 if (m > 0)
52 EVP_set_default_properties(NULL, "fips=yes");
53 } else if (strcmp(oval->name, "default_properties") == 0) {
54 EVP_set_default_properties(NULL, oval->value);
55 } else {
56 EVPerr(EVP_F_ALG_MODULE_INIT, EVP_R_UNKNOWN_OPTION);
57 ERR_add_error_data(4, "name=", oval->name,
58 ", value=", oval->value);
59 return 0;
60 }
61
62 }
63 return 1;
64}
65
66void EVP_add_alg_module(void)
67{
68 OSSL_TRACE(CONF, "Adding config module 'alg_section'\n");
69 CONF_module_add("alg_section", alg_module_init, 0);
70}
71