172c33676SMaxim Ag /* $OpenBSD: conf_sap.c,v 1.14 2018/03/19 03:56:08 beck Exp $ */
2f5b1c8a1SJohn Marino /* Written by Stephen Henson (steve@openssl.org) for the OpenSSL
3f5b1c8a1SJohn Marino * project 2001.
4f5b1c8a1SJohn Marino */
5f5b1c8a1SJohn Marino /* ====================================================================
6f5b1c8a1SJohn Marino * Copyright (c) 2001 The OpenSSL Project. All rights reserved.
7f5b1c8a1SJohn Marino *
8f5b1c8a1SJohn Marino * Redistribution and use in source and binary forms, with or without
9f5b1c8a1SJohn Marino * modification, are permitted provided that the following conditions
10f5b1c8a1SJohn Marino * are met:
11f5b1c8a1SJohn Marino *
12f5b1c8a1SJohn Marino * 1. Redistributions of source code must retain the above copyright
13f5b1c8a1SJohn Marino * notice, this list of conditions and the following disclaimer.
14f5b1c8a1SJohn Marino *
15f5b1c8a1SJohn Marino * 2. Redistributions in binary form must reproduce the above copyright
16f5b1c8a1SJohn Marino * notice, this list of conditions and the following disclaimer in
17f5b1c8a1SJohn Marino * the documentation and/or other materials provided with the
18f5b1c8a1SJohn Marino * distribution.
19f5b1c8a1SJohn Marino *
20f5b1c8a1SJohn Marino * 3. All advertising materials mentioning features or use of this
21f5b1c8a1SJohn Marino * software must display the following acknowledgment:
22f5b1c8a1SJohn Marino * "This product includes software developed by the OpenSSL Project
23f5b1c8a1SJohn Marino * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24f5b1c8a1SJohn Marino *
25f5b1c8a1SJohn Marino * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26f5b1c8a1SJohn Marino * endorse or promote products derived from this software without
27f5b1c8a1SJohn Marino * prior written permission. For written permission, please contact
28f5b1c8a1SJohn Marino * licensing@OpenSSL.org.
29f5b1c8a1SJohn Marino *
30f5b1c8a1SJohn Marino * 5. Products derived from this software may not be called "OpenSSL"
31f5b1c8a1SJohn Marino * nor may "OpenSSL" appear in their names without prior written
32f5b1c8a1SJohn Marino * permission of the OpenSSL Project.
33f5b1c8a1SJohn Marino *
34f5b1c8a1SJohn Marino * 6. Redistributions of any form whatsoever must retain the following
35f5b1c8a1SJohn Marino * acknowledgment:
36f5b1c8a1SJohn Marino * "This product includes software developed by the OpenSSL Project
37f5b1c8a1SJohn Marino * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38f5b1c8a1SJohn Marino *
39f5b1c8a1SJohn Marino * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40f5b1c8a1SJohn Marino * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41f5b1c8a1SJohn Marino * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42f5b1c8a1SJohn Marino * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43f5b1c8a1SJohn Marino * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44f5b1c8a1SJohn Marino * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45f5b1c8a1SJohn Marino * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46f5b1c8a1SJohn Marino * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47f5b1c8a1SJohn Marino * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48f5b1c8a1SJohn Marino * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49f5b1c8a1SJohn Marino * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50f5b1c8a1SJohn Marino * OF THE POSSIBILITY OF SUCH DAMAGE.
51f5b1c8a1SJohn Marino * ====================================================================
52f5b1c8a1SJohn Marino *
53f5b1c8a1SJohn Marino * This product includes cryptographic software written by Eric Young
54f5b1c8a1SJohn Marino * (eay@cryptsoft.com). This product includes software written by Tim
55f5b1c8a1SJohn Marino * Hudson (tjh@cryptsoft.com).
56f5b1c8a1SJohn Marino *
57f5b1c8a1SJohn Marino */
58f5b1c8a1SJohn Marino
5972c33676SMaxim Ag #include <pthread.h>
60f5b1c8a1SJohn Marino #include <stdio.h>
61f5b1c8a1SJohn Marino
62f5b1c8a1SJohn Marino #include <openssl/opensslconf.h>
63f5b1c8a1SJohn Marino
64f5b1c8a1SJohn Marino #include <openssl/asn1.h>
65f5b1c8a1SJohn Marino #include <openssl/conf.h>
66f5b1c8a1SJohn Marino #include <openssl/crypto.h>
67f5b1c8a1SJohn Marino #include <openssl/err.h>
68f5b1c8a1SJohn Marino #include <openssl/x509.h>
69f5b1c8a1SJohn Marino
70f5b1c8a1SJohn Marino #ifndef OPENSSL_NO_ENGINE
71f5b1c8a1SJohn Marino #include <openssl/engine.h>
72f5b1c8a1SJohn Marino #endif
73f5b1c8a1SJohn Marino
74f5b1c8a1SJohn Marino /* This is the automatic configuration loader: it is called automatically by
75f5b1c8a1SJohn Marino * OpenSSL when any of a number of standard initialisation functions are called,
76f5b1c8a1SJohn Marino * unless this is overridden by calling OPENSSL_no_config()
77f5b1c8a1SJohn Marino */
78f5b1c8a1SJohn Marino
7972c33676SMaxim Ag static pthread_once_t openssl_configured = PTHREAD_ONCE_INIT;
80f5b1c8a1SJohn Marino
8172c33676SMaxim Ag static const char *openssl_config_name;
8272c33676SMaxim Ag
8372c33676SMaxim Ag static void
OPENSSL_config_internal(void)8472c33676SMaxim Ag OPENSSL_config_internal(void)
85f5b1c8a1SJohn Marino {
86f5b1c8a1SJohn Marino OPENSSL_load_builtin_modules();
87f5b1c8a1SJohn Marino #ifndef OPENSSL_NO_ENGINE
88f5b1c8a1SJohn Marino /* Need to load ENGINEs */
89f5b1c8a1SJohn Marino ENGINE_load_builtin_engines();
90f5b1c8a1SJohn Marino #endif
91f5b1c8a1SJohn Marino /* Add others here? */
92f5b1c8a1SJohn Marino
93f5b1c8a1SJohn Marino ERR_clear_error();
9472c33676SMaxim Ag if (CONF_modules_load_file(NULL, openssl_config_name,
95f5b1c8a1SJohn Marino CONF_MFLAGS_DEFAULT_SECTION|CONF_MFLAGS_IGNORE_MISSING_FILE) <= 0) {
96f5b1c8a1SJohn Marino BIO *bio_err;
97f5b1c8a1SJohn Marino ERR_load_crypto_strings();
98f5b1c8a1SJohn Marino if ((bio_err = BIO_new_fp(stderr, BIO_NOCLOSE)) != NULL) {
99f5b1c8a1SJohn Marino BIO_printf(bio_err, "Auto configuration failed\n");
100f5b1c8a1SJohn Marino ERR_print_errors(bio_err);
101f5b1c8a1SJohn Marino BIO_free(bio_err);
102f5b1c8a1SJohn Marino }
103f5b1c8a1SJohn Marino exit(1);
104f5b1c8a1SJohn Marino }
105f5b1c8a1SJohn Marino
106f5b1c8a1SJohn Marino return;
107f5b1c8a1SJohn Marino }
108f5b1c8a1SJohn Marino
10972c33676SMaxim Ag int
OpenSSL_config(const char * config_name)11072c33676SMaxim Ag OpenSSL_config(const char *config_name)
11172c33676SMaxim Ag {
11272c33676SMaxim Ag /* Don't override if NULL */
11372c33676SMaxim Ag /*
11472c33676SMaxim Ag * Note - multiple threads calling this with *different* config names
11572c33676SMaxim Ag * is probably not advisable. One thread will win, but you don't know
11672c33676SMaxim Ag * if it will be the same thread as wins the pthread_once.
11772c33676SMaxim Ag */
11872c33676SMaxim Ag if (config_name != NULL)
11972c33676SMaxim Ag openssl_config_name = config_name;
12072c33676SMaxim Ag
12172c33676SMaxim Ag if (OPENSSL_init_crypto(0, NULL) == 0)
12272c33676SMaxim Ag return 0;
12372c33676SMaxim Ag
12472c33676SMaxim Ag if (pthread_once(&openssl_configured, OPENSSL_config_internal) != 0)
12572c33676SMaxim Ag return 0;
12672c33676SMaxim Ag
12772c33676SMaxim Ag return 1;
12872c33676SMaxim Ag }
12972c33676SMaxim Ag
13072c33676SMaxim Ag void
OPENSSL_config(const char * config_name)13172c33676SMaxim Ag OPENSSL_config(const char *config_name)
13272c33676SMaxim Ag {
13372c33676SMaxim Ag (void) OpenSSL_config(config_name);
13472c33676SMaxim Ag }
13572c33676SMaxim Ag
13672c33676SMaxim Ag static void
OPENSSL_no_config_internal(void)13772c33676SMaxim Ag OPENSSL_no_config_internal(void)
13872c33676SMaxim Ag {
13972c33676SMaxim Ag }
14072c33676SMaxim Ag
14172c33676SMaxim Ag int
OpenSSL_no_config(void)14272c33676SMaxim Ag OpenSSL_no_config(void)
14372c33676SMaxim Ag {
14472c33676SMaxim Ag if (pthread_once(&openssl_configured, OPENSSL_no_config_internal) != 0)
14572c33676SMaxim Ag return 0;
14672c33676SMaxim Ag
14772c33676SMaxim Ag return 1;
14872c33676SMaxim Ag }
14972c33676SMaxim Ag
150f5b1c8a1SJohn Marino void
OPENSSL_no_config(void)151f5b1c8a1SJohn Marino OPENSSL_no_config(void)
152f5b1c8a1SJohn Marino {
15372c33676SMaxim Ag (void) OpenSSL_no_config();
154f5b1c8a1SJohn Marino }
155