xref: /freebsd/lib/libgssapi/gss_export_name.c (revision 5ca8e32633c4ffbbcd6762e5888b6a4ba0708c6c)
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 #include "utils.h"
34 
35 OM_uint32
36 gss_export_name(OM_uint32 *minor_status,
37     const gss_name_t input_name,
38     gss_buffer_t exported_name)
39 {
40 	struct _gss_name *name = (struct _gss_name *) input_name;
41 	struct _gss_mechanism_name *mn;
42 
43 	_gss_buffer_zero(exported_name);
44 
45 	/*
46 	 * If this name already has any attached MNs, export the first
47 	 * one, otherwise export based on the first mechanism in our
48 	 * list.
49 	 */
50 	mn = SLIST_FIRST(&name->gn_mn);
51 	if (!mn) {
52 		*minor_status = 0;
53 		return (GSS_S_NAME_NOT_MN);
54 	}
55 
56 	return mn->gmn_mech->gm_export_name(minor_status,
57 	    mn->gmn_name, exported_name);
58 }
59