/src/openssl/crypto/engine/tb_dh.c

Source (jump to first uncovered line)
/* ====================================================================
 * Copyright (c) 2000 The OpenSSL Project.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. All advertising materials mentioning features or use of this
 *    software must display the following acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
 *
 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
 *    endorse or promote products derived from this software without
 *    prior written permission. For written permission, please contact
 *    licensing@OpenSSL.org.
 *
 * 5. Products derived from this software may not be called "OpenSSL"
 *    nor may "OpenSSL" appear in their names without prior written
 *    permission of the OpenSSL Project.
 *
 * 6. Redistributions of any form whatsoever must retain the following
 *    acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
 *
 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 * OF THE POSSIBILITY OF SUCH DAMAGE.
 * ====================================================================
 *
 * This product includes cryptographic software written by Eric Young
 * (eay@cryptsoft.com).  This product includes software written by Tim
 * Hudson (tjh@cryptsoft.com).
 *
 */

#include "eng_int.h"

/*
 * If this symbol is defined then ENGINE_get_default_DH(), the function that
 * is used by DH to hook in implementation code and cache defaults (etc),
 * will display brief debugging summaries to stderr with the 'nid'.
 */
/* #define ENGINE_DH_DEBUG */

static ENGINE_TABLE *dh_table = NULL;
static const int dummy_nid = 1;

void ENGINE_unregister_DH(ENGINE *e)
{
    engine_table_unregister(&dh_table, e);
}

static void engine_unregister_all_DH(void)
{
    engine_table_cleanup(&dh_table);
}

int ENGINE_register_DH(ENGINE *e)
{
    if (e->dh_meth)
        return engine_table_register(&dh_table,
                                     engine_unregister_all_DH, e, &dummy_nid,
                                     1, 0);
    return 1;
}

void ENGINE_register_all_DH()
{
    ENGINE *e;

    for (e = ENGINE_get_first(); e; e = ENGINE_get_next(e))
        ENGINE_register_DH(e);
}

int ENGINE_set_default_DH(ENGINE *e)
{
    if (e->dh_meth)
        return engine_table_register(&dh_table,
                                     engine_unregister_all_DH, e, &dummy_nid,
                                     1, 1);
    return 1;
}

/*
 * Exposed API function to get a functional reference from the implementation
 * table (ie. try to get a functional reference from the tabled structural
 * references).
 */
ENGINE *ENGINE_get_default_DH(void)
{
    return engine_table_select(&dh_table, dummy_nid);
}

/* Obtains an DH implementation from an ENGINE functional reference */
const DH_METHOD *ENGINE_get_DH(const ENGINE *e)
{
    return e->dh_meth;
}

/* Sets an DH implementation in an ENGINE structure */
int ENGINE_set_DH(ENGINE *e, const DH_METHOD *dh_meth)
{
    e->dh_meth = dh_meth;
    return 1;
}

Line	Count	Source (jump to first uncovered line)
1		/* ====================================================================
2		* Copyright (c) 2000 The OpenSSL Project. All rights reserved.
3		*
4		* Redistribution and use in source and binary forms, with or without
5		* modification, are permitted provided that the following conditions
6		* are met:
7		*
8		* 1. Redistributions of source code must retain the above copyright
9		* notice, this list of conditions and the following disclaimer.
10		*
11		* 2. Redistributions in binary form must reproduce the above copyright
12		* notice, this list of conditions and the following disclaimer in
13		* the documentation and/or other materials provided with the
14		* distribution.
15		*
16		* 3. All advertising materials mentioning features or use of this
17		* software must display the following acknowledgment:
18		* "This product includes software developed by the OpenSSL Project
19		* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
20		*
21		* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
22		* endorse or promote products derived from this software without
23		* prior written permission. For written permission, please contact
24		* licensing@OpenSSL.org.
25		*
26		* 5. Products derived from this software may not be called "OpenSSL"
27		* nor may "OpenSSL" appear in their names without prior written
28		* permission of the OpenSSL Project.
29		*
30		* 6. Redistributions of any form whatsoever must retain the following
31		* acknowledgment:
32		* "This product includes software developed by the OpenSSL Project
33		* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
34		*
35		* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
36		* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
37		* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
38		* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
39		* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40		* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
41		* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
42		* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
43		* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
44		* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
45		* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
46		* OF THE POSSIBILITY OF SUCH DAMAGE.
47		* ====================================================================
48		*
49		* This product includes cryptographic software written by Eric Young
50		* (eay@cryptsoft.com). This product includes software written by Tim
51		* Hudson (tjh@cryptsoft.com).
52		*
53		*/
54
55		#include "eng_int.h"
56
57		/*
58		* If this symbol is defined then ENGINE_get_default_DH(), the function that
59		* is used by DH to hook in implementation code and cache defaults (etc),
60		* will display brief debugging summaries to stderr with the 'nid'.
61		*/
62		/* #define ENGINE_DH_DEBUG */
63
64		static ENGINE_TABLE *dh_table = NULL;
65		static const int dummy_nid = 1;
66
67		void ENGINE_unregister_DH(ENGINE *e)
68	0	{
69	0	engine_table_unregister(&dh_table, e);
70	0	}
71
72		static void engine_unregister_all_DH(void)
73	0	{
74	0	engine_table_cleanup(&dh_table);
75	0	}
76
77		int ENGINE_register_DH(ENGINE *e)
78	190	{
79	190	if (e->dh_meth)
80	133	return engine_table_register(&dh_table,
81	133	engine_unregister_all_DH, e, &dummy_nid,
82	133	1, 0);
83	57	return 1;
84	190	}
85
86		void ENGINE_register_all_DH()
87	0	{
88	0	ENGINE *e;
89
90	0	for (e = ENGINE_get_first(); e; e = ENGINE_get_next(e))
91	0	ENGINE_register_DH(e);
92	0	}
93
94		int ENGINE_set_default_DH(ENGINE *e)
95	0	{
96	0	if (e->dh_meth)
97	0	return engine_table_register(&dh_table,
98	0	engine_unregister_all_DH, e, &dummy_nid,
99	0	1, 1);
100	0	return 1;
101	0	}
102
103		/*
104		* Exposed API function to get a functional reference from the implementation
105		* table (ie. try to get a functional reference from the tabled structural
106		* references).
107		*/
108		ENGINE *ENGINE_get_default_DH(void)
109	0	{
110	0	return engine_table_select(&dh_table, dummy_nid);
111	0	}
112
113		/* Obtains an DH implementation from an ENGINE functional reference */
114		const DH_METHOD ENGINE_get_DH(const ENGINE e)
115	0	{
116	0	return e->dh_meth;
117	0	}
118
119		/* Sets an DH implementation in an ENGINE structure */
120		int ENGINE_set_DH(ENGINE e, const DH_METHOD dh_meth)
121	133	{
122	133	e->dh_meth = dh_meth;
123	133	return 1;
124	133	}

Coverage Report

Created: 2022-11-30 06:20