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#include "name.h"
35
36OM_uint32
37gss_inquire_mechs_for_name(OM_uint32 *minor_status,
38    const gss_name_t input_name,
39    gss_OID_set *mech_types)
40{
41	OM_uint32		major_status;
42	struct _gss_name	*name = (struct _gss_name *) input_name;
43	struct _gss_mech_switch	*m;
44	gss_OID_set		name_types;
45	int			present;
46
47	*minor_status = 0;
48
49	_gss_load_mech();
50
51	major_status = gss_create_empty_oid_set(minor_status, mech_types);
52	if (major_status)
53		return (major_status);
54
55	/*
56	 * We go through all the loaded mechanisms and see if this
57	 * name's type is supported by the mechanism. If it is, add
58	 * the mechanism to the set.
59	 */
60	SLIST_FOREACH(m, &_gss_mechs, gm_link) {
61		major_status = gss_inquire_names_for_mech(minor_status,
62		    &m->gm_mech_oid, &name_types);
63		if (major_status) {
64			gss_release_oid_set(minor_status, mech_types);
65			return (major_status);
66		}
67		gss_test_oid_set_member(minor_status,
68		    &name->gn_type, name_types, &present);
69		gss_release_oid_set(minor_status, &name_types);
70		if (present) {
71			major_status = gss_add_oid_set_member(minor_status,
72			    &m->gm_mech_oid, mech_types);
73			if (major_status) {
74				gss_release_oid_set(minor_status, mech_types);
75				return (major_status);
76			}
77		}
78	}
79
80	return (GSS_S_COMPLETE);
81}
82