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 #include "name.h"
33
34 OM_uint32
gss_inquire_mechs_for_name(OM_uint32 * minor_status,const gss_name_t input_name,gss_OID_set * mech_types)35 gss_inquire_mechs_for_name(OM_uint32 *minor_status,
36 const gss_name_t input_name,
37 gss_OID_set *mech_types)
38 {
39 OM_uint32 major_status;
40 struct _gss_name *name = (struct _gss_name *) input_name;
41 struct _gss_mech_switch *m;
42 gss_OID_set name_types;
43 int present;
44
45 *minor_status = 0;
46
47 _gss_load_mech();
48
49 major_status = gss_create_empty_oid_set(minor_status, mech_types);
50 if (major_status)
51 return (major_status);
52
53 /*
54 * We go through all the loaded mechanisms and see if this
55 * name's type is supported by the mechanism. If it is, add
56 * the mechanism to the set.
57 */
58 SLIST_FOREACH(m, &_gss_mechs, gm_link) {
59 major_status = gss_inquire_names_for_mech(minor_status,
60 &m->gm_mech_oid, &name_types);
61 if (major_status) {
62 gss_release_oid_set(minor_status, mech_types);
63 return (major_status);
64 }
65 gss_test_oid_set_member(minor_status,
66 &name->gn_type, name_types, &present);
67 gss_release_oid_set(minor_status, &name_types);
68 if (present) {
69 major_status = gss_add_oid_set_member(minor_status,
70 &m->gm_mech_oid, mech_types);
71 if (major_status) {
72 gss_release_oid_set(minor_status, mech_types);
73 return (major_status);
74 }
75 }
76 }
77
78 return (GSS_S_COMPLETE);
79 }
80