gss_utils.c revision 178689 
1/*-
2 * Copyright (c) 2005 Doug Rabson
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 *	$FreeBSD: head/lib/libgssapi/gss_utils.c 178689 2008-04-30 11:25:34Z dfr $
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
37_gss_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		*minor_status = ENOMEM;
61		return GSS_S_FAILURE;
62	}
63	to_oid->length = len;
64	memcpy(to_oid->elements, from_oid->elements, len);
65	return (GSS_S_COMPLETE);
66}
67
68
69OM_uint32
70_gss_copy_buffer(OM_uint32 *minor_status,
71    const gss_buffer_t from_buf, gss_buffer_t to_buf)
72{
73	size_t len = from_buf->length;
74
75	*minor_status = 0;
76	to_buf->value = malloc(len);
77	if (!to_buf->value) {
78		*minor_status = ENOMEM;
79		return GSS_S_FAILURE;
80	}
81	to_buf->length = len;
82	memcpy(to_buf->value, from_buf->value, len);
83	return (GSS_S_COMPLETE);
84}
85
86