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 #include "utils.h"
37
38 OM_uint32
gss_display_name(OM_uint32 * minor_status,const gss_name_t input_name,gss_buffer_t output_name_buffer,gss_OID * output_name_type)39 gss_display_name(OM_uint32 *minor_status,
40 const gss_name_t input_name,
41 gss_buffer_t output_name_buffer,
42 gss_OID *output_name_type)
43 {
44 OM_uint32 major_status;
45 struct _gss_name *name = (struct _gss_name *) input_name;
46 struct _gss_mechanism_name *mn;
47
48 _gss_buffer_zero(output_name_buffer);
49 if (output_name_type)
50 *output_name_type = GSS_C_NO_OID;
51
52 if (name == NULL) {
53 *minor_status = 0;
54 return (GSS_S_BAD_NAME);
55 }
56
57 /*
58 * If we know it, copy the buffer used to import the name in
59 * the first place. Otherwise, ask all the MNs in turn if
60 * they can display the thing.
61 */
62 if (name->gn_value.value) {
63 output_name_buffer->value = malloc(name->gn_value.length);
64 if (!output_name_buffer->value) {
65 *minor_status = ENOMEM;
66 return (GSS_S_FAILURE);
67 }
68 output_name_buffer->length = name->gn_value.length;
69 memcpy(output_name_buffer->value, name->gn_value.value,
70 output_name_buffer->length);
71 if (output_name_type)
72 *output_name_type = &name->gn_type;
73
74 *minor_status = 0;
75 return (GSS_S_COMPLETE);
76 } else {
77 SLIST_FOREACH(mn, &name->gn_mn, gmn_link) {
78 major_status = mn->gmn_mech->gm_display_name(
79 minor_status, mn->gmn_name,
80 output_name_buffer,
81 output_name_type);
82 if (major_status == GSS_S_COMPLETE)
83 return (GSS_S_COMPLETE);
84 }
85 }
86
87 *minor_status = 0;
88 return (GSS_S_FAILURE);
89 }
90