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: src/lib/libgssapi/gss_indicate_mechs.c,v 1.1 2005/12/29 14:40:20 dfr Exp $
27 */
28
29#include "mech_locl.h"
30
31GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
32gss_indicate_mechs(OM_uint32 *minor_status,
33    gss_OID_set *mech_set)
34{
35	struct _gss_mech_switch *m;
36	OM_uint32 major_status, junk;
37	gss_OID_set set;
38	size_t i;
39
40	_gss_load_mech();
41
42	major_status = gss_create_empty_oid_set(minor_status, mech_set);
43	if (major_status)
44		return (major_status);
45
46	HEIM_SLIST_FOREACH(m, &_gss_mechs, gm_link) {
47		if (m->gm_mech.gm_indicate_mechs) {
48			major_status = m->gm_mech.gm_indicate_mechs(
49			    minor_status, &set);
50			if (major_status)
51				continue;
52			major_status = GSS_S_COMPLETE;
53			for (i = 0; i < set->count; i++) {
54				major_status = gss_add_oid_set_member(
55				    minor_status, &set->elements[i], mech_set);
56				if (major_status)
57					break;
58			}
59			gss_release_oid_set(minor_status, &set);
60		} else {
61			major_status = gss_add_oid_set_member(
62			    minor_status, &m->gm_mech_oid, mech_set);
63		}
64		if (major_status)
65			break;
66	}
67	if (major_status)
68		gss_release_oid_set(&junk, mech_set);
69
70	*minor_status = 0;
71	return major_status;
72}
73