1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2005 Doug Rabson
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#include <gssapi/gssapi.h>
30#include <stdlib.h>
31#include <string.h>
32#include <errno.h>
33
34#include "utils.h"
35
36int
37gss_oid_equal(const gss_OID oid1, const gss_OID oid2)
38{
39
40	if (oid1 == oid2)
41		return (1);
42	if (!oid1 || !oid2)
43		return (0);
44	if (oid1->length != oid2->length)
45		return (0);
46	if (memcmp(oid1->elements, oid2->elements, oid1->length))
47		return (0);
48	return (1);
49}
50
51OM_uint32
52_gss_copy_oid(OM_uint32 *minor_status,
53    const gss_OID from_oid, gss_OID to_oid)
54{
55	size_t len = from_oid->length;
56
57	*minor_status = 0;
58	to_oid->elements = malloc(len);
59	if (!to_oid->elements) {
60		to_oid->length = 0;
61		*minor_status = ENOMEM;
62		return GSS_S_FAILURE;
63	}
64	to_oid->length = len;
65	memcpy(to_oid->elements, from_oid->elements, len);
66	return (GSS_S_COMPLETE);
67}
68
69OM_uint32
70_gss_free_oid(OM_uint32 *minor_status, gss_OID oid)
71{
72
73	*minor_status = 0;
74	if (oid->elements) {
75		free(oid->elements);
76		oid->elements = NULL;
77		oid->length = 0;
78	}
79	return (GSS_S_COMPLETE);
80}
81
82OM_uint32
83_gss_copy_buffer(OM_uint32 *minor_status,
84    const gss_buffer_t from_buf, gss_buffer_t to_buf)
85{
86	size_t len = from_buf->length;
87
88	*minor_status = 0;
89	to_buf->value = malloc(len);
90	if (!to_buf->value) {
91		*minor_status = ENOMEM;
92		to_buf->length = 0;
93		return GSS_S_FAILURE;
94	}
95	to_buf->length = len;
96	memcpy(to_buf->value, from_buf->value, len);
97	return (GSS_S_COMPLETE);
98}
99
100