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 *	$FreeBSD$
27 */
28
29#include <gssapi/gssapi.h>
30#include <stdlib.h>
31#include <string.h>
32#include <errno.h>
33
34OM_uint32
35gss_add_oid_set_member(OM_uint32 *minor_status,
36    const gss_OID member_oid,
37    gss_OID_set *oid_set)
38{
39	OM_uint32 major_status;
40	gss_OID_set set = *oid_set;
41	gss_OID new_elements;
42	gss_OID new_oid;
43	int t;
44
45	*minor_status = 0;
46
47	major_status = gss_test_oid_set_member(minor_status,
48	    member_oid, *oid_set, &t);
49	if (major_status)
50		return (major_status);
51	if (t)
52		return (GSS_S_COMPLETE);
53
54	new_elements = malloc((set->count + 1) * sizeof(gss_OID_desc));
55	if (!new_elements) {
56		*minor_status = ENOMEM;
57		return (GSS_S_FAILURE);
58	}
59
60	new_oid = &new_elements[set->count];
61	new_oid->elements = malloc(member_oid->length);
62	if (!new_oid->elements) {
63		free(new_elements);
64		return (GSS_S_FAILURE);
65	}
66	new_oid->length = member_oid->length;
67	memcpy(new_oid->elements, member_oid->elements, member_oid->length);
68
69	if (set->elements) {
70		memcpy(new_elements, set->elements,
71		    set->count * sizeof(gss_OID_desc));
72		free(set->elements);
73	}
74	set->elements = new_elements;
75	set->count++;
76
77	return (GSS_S_COMPLETE);
78}
79