xref: /freebsd/lib/libgssapi/gss_inquire_names_for_mech.c (revision cfd6422a5217410fbd66f7a7a8a64d9d85e61229)
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 
35 OM_uint32
36 gss_inquire_names_for_mech(OM_uint32 *minor_status,
37     const gss_OID mechanism,
38     gss_OID_set *name_types)
39 {
40 	OM_uint32 major_status;
41 	struct _gss_mech_switch *m = _gss_find_mech_switch(mechanism);
42 
43 	*minor_status = 0;
44 	*name_types = GSS_C_NO_OID_SET;
45 	if (!m)
46 		return (GSS_S_BAD_MECH);
47 
48 	/*
49 	 * If the implementation can do it, ask it for a list of
50 	 * names, otherwise fake it.
51 	 */
52 	if (m->gm_inquire_names_for_mech) {
53 		return (m->gm_inquire_names_for_mech(minor_status,
54 			    mechanism, name_types));
55 	} else {
56 		major_status = gss_create_empty_oid_set(minor_status,
57 		    name_types);
58 		if (major_status)
59 			return (major_status);
60 		major_status = gss_add_oid_set_member(minor_status,
61 		    GSS_C_NT_HOSTBASED_SERVICE, name_types);
62 		if (major_status) {
63 			OM_uint32 junk;
64 			gss_release_oid_set(&junk, name_types);
65 			return (major_status);
66 		}
67 		major_status = gss_add_oid_set_member(minor_status,
68 		    GSS_C_NT_USER_NAME, name_types);
69 		if (major_status) {
70 			OM_uint32 junk;
71 			gss_release_oid_set(&junk, name_types);
72 			return (major_status);
73 		}
74 	}
75 
76 	return (GSS_S_COMPLETE);
77 }
78