1/*	$NetBSD$	*/
2
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: src/lib/libgssapi/gss_inquire_mechs_for_name.c,v 1.1 2005/12/29 14:40:20 dfr Exp $
29 */
30
31#include "mech_locl.h"
32
33GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
34gss_inquire_mechs_for_name(OM_uint32 *minor_status,
35    const gss_name_t input_name,
36    gss_OID_set *mech_types)
37{
38	OM_uint32		major_status;
39	struct _gss_name	*name = (struct _gss_name *) input_name;
40	struct _gss_mech_switch	*m;
41	gss_OID_set		name_types;
42	int			present;
43
44	*minor_status = 0;
45
46	_gss_load_mech();
47
48	major_status = gss_create_empty_oid_set(minor_status, mech_types);
49	if (major_status)
50		return (major_status);
51
52	/*
53	 * We go through all the loaded mechanisms and see if this
54	 * name's type is supported by the mechanism. If it is, add
55	 * the mechanism to the set.
56	 */
57	HEIM_SLIST_FOREACH(m, &_gss_mechs, gm_link) {
58		major_status = gss_inquire_names_for_mech(minor_status,
59		    &m->gm_mech_oid, &name_types);
60		if (major_status) {
61			gss_release_oid_set(minor_status, mech_types);
62			return (major_status);
63		}
64		gss_test_oid_set_member(minor_status,
65		    &name->gn_type, name_types, &present);
66		gss_release_oid_set(minor_status, &name_types);
67		if (present) {
68			major_status = gss_add_oid_set_member(minor_status,
69			    &m->gm_mech_oid, mech_types);
70			if (major_status) {
71				gss_release_oid_set(minor_status, mech_types);
72				return (major_status);
73			}
74		}
75	}
76
77	return (GSS_S_COMPLETE);
78}
79