1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
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
29#include <gssapi/gssapi.h>
30
31#include "mech_switch.h"
32
33OM_uint32
34gss_inquire_names_for_mech(OM_uint32 *minor_status,
35    const gss_OID mechanism,
36    gss_OID_set *name_types)
37{
38	OM_uint32 major_status;
39	struct _gss_mech_switch *m = _gss_find_mech_switch(mechanism);
40
41	*minor_status = 0;
42	*name_types = GSS_C_NO_OID_SET;
43	if (!m)
44		return (GSS_S_BAD_MECH);
45
46	/*
47	 * If the implementation can do it, ask it for a list of
48	 * names, otherwise fake it.
49	 */
50	if (m->gm_inquire_names_for_mech) {
51		return (m->gm_inquire_names_for_mech(minor_status,
52			    mechanism, name_types));
53	} else {
54		major_status = gss_create_empty_oid_set(minor_status,
55		    name_types);
56		if (major_status)
57			return (major_status);
58		major_status = gss_add_oid_set_member(minor_status,
59		    GSS_C_NT_HOSTBASED_SERVICE, name_types);
60		if (major_status) {
61			OM_uint32 junk;
62			gss_release_oid_set(&junk, name_types);
63			return (major_status);
64		}
65		major_status = gss_add_oid_set_member(minor_status,
66		    GSS_C_NT_USER_NAME, name_types);
67		if (major_status) {
68			OM_uint32 junk;
69			gss_release_oid_set(&junk, name_types);
70			return (major_status);
71		}
72	}
73
74	return (GSS_S_COMPLETE);
75}
76