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 <stdlib.h>
31 #include <string.h>
32 #include <errno.h>
33
34 #include "mech_switch.h"
35 #include "name.h"
36
gss_duplicate_name(OM_uint32 * minor_status,const gss_name_t src_name,gss_name_t * dest_name)37 OM_uint32 gss_duplicate_name(OM_uint32 *minor_status,
38 const gss_name_t src_name,
39 gss_name_t *dest_name)
40 {
41 OM_uint32 major_status;
42 struct _gss_name *name = (struct _gss_name *) src_name;
43 struct _gss_name *new_name;
44 struct _gss_mechanism_name *mn;
45
46 *minor_status = 0;
47 *dest_name = GSS_C_NO_NAME;
48
49 /*
50 * If this name has a value (i.e. it didn't come from
51 * gss_canonicalize_name(), we re-import the thing. Otherwise,
52 * we make a copy of the mechanism names.
53 */
54 if (name->gn_value.value) {
55 major_status = gss_import_name(minor_status,
56 &name->gn_value, &name->gn_type, dest_name);
57 if (major_status != GSS_S_COMPLETE)
58 return (major_status);
59 new_name = (struct _gss_name *) *dest_name;
60
61 SLIST_FOREACH(mn, &name->gn_mn, gmn_link) {
62 struct _gss_mechanism_name *mn2;
63 _gss_find_mn(minor_status, new_name,
64 mn->gmn_mech_oid, &mn2);
65 }
66 } else {
67 new_name = malloc(sizeof(struct _gss_name));
68 if (!new_name) {
69 *minor_status = ENOMEM;
70 return (GSS_S_FAILURE);
71 }
72 memset(new_name, 0, sizeof(struct _gss_name));
73 SLIST_INIT(&new_name->gn_mn);
74 *dest_name = (gss_name_t) new_name;
75
76 SLIST_FOREACH(mn, &name->gn_mn, gmn_link) {
77 struct _gss_mechanism_name *new_mn;
78
79 new_mn = malloc(sizeof(*new_mn));
80 if (!new_mn) {
81 *minor_status = ENOMEM;
82 return (GSS_S_FAILURE);
83 }
84 new_mn->gmn_mech = mn->gmn_mech;
85 new_mn->gmn_mech_oid = mn->gmn_mech_oid;
86
87 major_status =
88 mn->gmn_mech->gm_duplicate_name(minor_status,
89 mn->gmn_name, &new_mn->gmn_name);
90 if (major_status != GSS_S_COMPLETE) {
91 free(new_mn);
92 continue;
93 }
94 SLIST_INSERT_HEAD(&new_name->gn_mn, new_mn, gmn_link);
95 }
96
97 }
98
99 return (GSS_S_COMPLETE);
100 }
101