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 #include <string.h>
31
32 #include "mech_switch.h"
33 #include "name.h"
34 #include "utils.h"
35
36 OM_uint32
gss_compare_name(OM_uint32 * minor_status,const gss_name_t name1_arg,const gss_name_t name2_arg,int * name_equal)37 gss_compare_name(OM_uint32 *minor_status,
38 const gss_name_t name1_arg,
39 const gss_name_t name2_arg,
40 int *name_equal)
41 {
42 struct _gss_name *name1 = (struct _gss_name *) name1_arg;
43 struct _gss_name *name2 = (struct _gss_name *) name2_arg;
44
45 /*
46 * First check the implementation-independent name if both
47 * names have one. Otherwise, try to find common mechanism
48 * names and compare them.
49 */
50 if (name1->gn_value.value && name2->gn_value.value) {
51 *name_equal = 1;
52 if (!gss_oid_equal(&name1->gn_type, &name2->gn_type)) {
53 *name_equal = 0;
54 } else if (name1->gn_value.length != name2->gn_value.length ||
55 memcmp(name1->gn_value.value, name1->gn_value.value,
56 name1->gn_value.length)) {
57 *name_equal = 0;
58 }
59 } else {
60 struct _gss_mechanism_name *mn1;
61 struct _gss_mechanism_name *mn2;
62
63 SLIST_FOREACH(mn1, &name1->gn_mn, gmn_link) {
64 OM_uint32 major_status;
65
66 major_status = _gss_find_mn(minor_status, name2,
67 mn1->gmn_mech_oid, &mn2);
68 if (major_status == GSS_S_COMPLETE) {
69 return (mn1->gmn_mech->gm_compare_name(
70 minor_status,
71 mn1->gmn_name,
72 mn2->gmn_name,
73 name_equal));
74 }
75 }
76 *name_equal = 0;
77 }
78
79 *minor_status = 0;
80 return (GSS_S_COMPLETE);
81 }
82