xref: /openssl/crypto/evp/evp_cnf.c (revision 589fbc18)
1 /*
2  * Copyright 2012-2021 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 #include "crypto/evp.h"
18 
19 /* Algorithm configuration module. */
20 
alg_module_init(CONF_IMODULE * md,const CONF * cnf)21 static 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         ERR_raise(ERR_LIB_EVP, 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             /* Detailed error already reported. */
42             if (!X509V3_get_value_bool(oval, &m))
43                 return 0;
44 
45             /*
46              * fips_mode is deprecated and should not be used in new
47              * configurations.
48              */
49             if (!evp_default_properties_enable_fips_int(
50                     NCONF_get0_libctx((CONF *)cnf), m > 0, 0)) {
51                 ERR_raise(ERR_LIB_EVP, EVP_R_SET_DEFAULT_PROPERTY_FAILURE);
52                 return 0;
53             }
54         } else if (strcmp(oval->name, "default_properties") == 0) {
55             if (!evp_set_default_properties_int(NCONF_get0_libctx((CONF *)cnf),
56                         oval->value, 0, 0)) {
57                 ERR_raise(ERR_LIB_EVP, EVP_R_SET_DEFAULT_PROPERTY_FAILURE);
58                 return 0;
59             }
60         } else {
61             ERR_raise_data(ERR_LIB_EVP, EVP_R_UNKNOWN_OPTION,
62                            "name=%s, value=%s", oval->name, oval->value);
63             return 0;
64         }
65 
66     }
67     return 1;
68 }
69 
EVP_add_alg_module(void)70 void EVP_add_alg_module(void)
71 {
72     OSSL_TRACE(CONF, "Adding config module 'alg_section'\n");
73     CONF_module_add("alg_section", alg_module_init, 0);
74 }
75