1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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 *	$FreeBSD$
29 */
30
31#include <gssapi/gssapi.h>
32
33#include "mech_switch.h"
34
35OM_uint32
36gss_indicate_mechs(OM_uint32 *minor_status,
37    gss_OID_set *mech_set)
38{
39	struct _gss_mech_switch *m;
40	OM_uint32 major_status;
41	gss_OID_set set;
42	size_t i;
43
44	_gss_load_mech();
45
46	major_status = gss_create_empty_oid_set(minor_status, mech_set);
47	if (major_status)
48		return (major_status);
49
50	SLIST_FOREACH(m, &_gss_mechs, gm_link) {
51		if (m->gm_indicate_mechs) {
52			major_status = m->gm_indicate_mechs(minor_status, &set);
53			if (major_status)
54				continue;
55			if (set == GSS_C_NO_OID_SET) {
56				major_status = gss_add_oid_set_member(
57					minor_status,
58					&m->gm_mech_oid, mech_set);
59				continue;
60			}
61			for (i = 0; i < set->count; i++)
62				major_status = gss_add_oid_set_member(minor_status,
63				    &set->elements[i], mech_set);
64			gss_release_oid_set(minor_status, &set);
65		} else {
66			major_status = gss_add_oid_set_member(
67			    minor_status, &m->gm_mech_oid, mech_set);
68		}
69	}
70
71	*minor_status = 0;
72	return (GSS_S_COMPLETE);
73}
74