1153838Sdfr/*-
2153838Sdfr * Copyright (c) 2005 Doug Rabson
3153838Sdfr * All rights reserved.
4153838Sdfr *
5153838Sdfr * Redistribution and use in source and binary forms, with or without
6153838Sdfr * modification, are permitted provided that the following conditions
7153838Sdfr * are met:
8153838Sdfr * 1. Redistributions of source code must retain the above copyright
9153838Sdfr *    notice, this list of conditions and the following disclaimer.
10153838Sdfr * 2. Redistributions in binary form must reproduce the above copyright
11153838Sdfr *    notice, this list of conditions and the following disclaimer in the
12153838Sdfr *    documentation and/or other materials provided with the distribution.
13153838Sdfr *
14153838Sdfr * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15153838Sdfr * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16153838Sdfr * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17153838Sdfr * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18153838Sdfr * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19153838Sdfr * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20153838Sdfr * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21153838Sdfr * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22153838Sdfr * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23153838Sdfr * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24153838Sdfr * SUCH DAMAGE.
25153838Sdfr *
26153838Sdfr *	$FreeBSD$
27153838Sdfr */
28153838Sdfr
29153838Sdfr#include <gssapi/gssapi.h>
30153838Sdfr
31153838Sdfr#include "mech_switch.h"
32153838Sdfr
33153838SdfrOM_uint32
34153838Sdfrgss_indicate_mechs(OM_uint32 *minor_status,
35153838Sdfr    gss_OID_set *mech_set)
36153838Sdfr{
37153838Sdfr	struct _gss_mech_switch *m;
38153838Sdfr	OM_uint32 major_status;
39153838Sdfr	gss_OID_set set;
40178828Sdfr	size_t i;
41153838Sdfr
42153838Sdfr	_gss_load_mech();
43153838Sdfr
44153838Sdfr	major_status = gss_create_empty_oid_set(minor_status, mech_set);
45153838Sdfr	if (major_status)
46153838Sdfr		return (major_status);
47153838Sdfr
48153838Sdfr	SLIST_FOREACH(m, &_gss_mechs, gm_link) {
49171112Sdfr		if (m->gm_indicate_mechs) {
50171112Sdfr			major_status = m->gm_indicate_mechs(minor_status, &set);
51171112Sdfr			if (major_status)
52171112Sdfr				continue;
53178828Sdfr			if (set == GSS_C_NO_OID_SET) {
54178828Sdfr				major_status = gss_add_oid_set_member(
55178828Sdfr					minor_status,
56178828Sdfr					&m->gm_mech_oid, mech_set);
57178828Sdfr				continue;
58178828Sdfr			}
59171112Sdfr			for (i = 0; i < set->count; i++)
60171112Sdfr				major_status = gss_add_oid_set_member(minor_status,
61171112Sdfr				    &set->elements[i], mech_set);
62171112Sdfr			gss_release_oid_set(minor_status, &set);
63171112Sdfr		} else {
64171112Sdfr			major_status = gss_add_oid_set_member(
65171112Sdfr			    minor_status, &m->gm_mech_oid, mech_set);
66171112Sdfr		}
67153838Sdfr	}
68153838Sdfr
69153838Sdfr	*minor_status = 0;
70153838Sdfr	return (GSS_S_COMPLETE);
71153838Sdfr}
72