1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
23 */
24
25 /*
26 * routine gss_duplicate_name
27 *
28 * This routine does not rely on mechanism implementation of this
29 * name, but instead uses mechanism specific gss_import_name routine.
30 */
31
32 #include <mechglueP.h>
33 #include "gssapiP_generic.h"
34 #ifdef HAVE_STDLIB_H
35 #include <stdlib.h>
36 #endif
37 #include <string.h>
38 #include <errno.h>
39
40 static OM_uint32
val_dup_name_args(OM_uint32 * minor_status,const gss_name_t src_name,gss_name_t * dest_name)41 val_dup_name_args(
42 OM_uint32 *minor_status,
43 const gss_name_t src_name,
44 gss_name_t *dest_name)
45 {
46
47 /* Initialize outputs. */
48
49 if (minor_status != NULL)
50 *minor_status = 0;
51
52 if (dest_name != NULL)
53 *dest_name = GSS_C_NO_NAME;
54
55 /* Validate arguments. */
56
57 if (minor_status == NULL)
58 return (GSS_S_CALL_INACCESSIBLE_WRITE);
59
60 /* if output_name is NULL, simply return */
61 if (dest_name == NULL)
62 return (GSS_S_CALL_INACCESSIBLE_WRITE);
63
64 if (src_name == GSS_C_NO_NAME)
65 return (GSS_S_CALL_INACCESSIBLE_READ | GSS_S_BAD_NAME);
66
67 return (GSS_S_COMPLETE);
68 }
69
70 OM_uint32
gss_duplicate_name(OM_uint32 * minor_status,const gss_name_t src_name,gss_name_t * dest_name)71 gss_duplicate_name(OM_uint32 *minor_status, const gss_name_t src_name,
72 gss_name_t *dest_name)
73 {
74 gss_union_name_t src_union, dest_union;
75 OM_uint32 major_status = GSS_S_FAILURE;
76
77 major_status = val_dup_name_args(minor_status, src_name, dest_name);
78 if (major_status != GSS_S_COMPLETE)
79 return (major_status);
80
81 major_status = GSS_S_FAILURE;
82
83 src_union = (gss_union_name_t)src_name;
84
85 /*
86 * First create the union name struct that will hold the external
87 * name and the name type.
88 */
89 dest_union = (gss_union_name_t)malloc(sizeof (gss_union_name_desc));
90 if (!dest_union)
91 goto allocation_failure;
92
93 dest_union->mech_type = 0;
94 dest_union->mech_name = 0;
95 dest_union->name_type = 0;
96 dest_union->external_name = 0;
97
98 /* Now copy the external representaion */
99 if (gssint_create_copy_buffer(src_union->external_name,
100 &dest_union->external_name, 0))
101 goto allocation_failure;
102
103 if (src_union->name_type != GSS_C_NULL_OID) {
104 major_status = generic_gss_copy_oid(minor_status,
105 src_union->name_type, &dest_union->name_type);
106 if (major_status != GSS_S_COMPLETE) {
107 map_errcode(minor_status);
108 goto allocation_failure;
109 }
110 }
111
112 /*
113 * See if source name is mechanim specific, if so then need to import it
114 */
115 if (src_union->mech_type) {
116 major_status = generic_gss_copy_oid(minor_status,
117 src_union->mech_type, &dest_union->mech_type);
118 if (major_status != GSS_S_COMPLETE) {
119 map_errcode(minor_status);
120 goto allocation_failure;
121 }
122
123 major_status = __gss_import_internal_name(minor_status,
124 dest_union->mech_type, dest_union, &dest_union->mech_name);
125 if (major_status != GSS_S_COMPLETE)
126 goto allocation_failure;
127 }
128
129
130 *dest_name = (gss_name_t)dest_union;
131 return (GSS_S_COMPLETE);
132
133 allocation_failure:
134 if (dest_union) {
135 if (dest_union->external_name) {
136 free(dest_union->external_name->value);
137 free(dest_union->external_name);
138 }
139 if (dest_union->name_type) {
140 (void) generic_gss_release_oid(minor_status,
141 &dest_union->name_type);
142 }
143 if (dest_union->mech_name) {
144 (void) __gss_release_internal_name(minor_status,
145 dest_union->mech_type, &dest_union->mech_name);
146 }
147 if (dest_union->mech_type) {
148 (void) generic_gss_release_oid(minor_status,
149 &dest_union->mech_type);
150 }
151 free(dest_union);
152 }
153 return (major_status);
154 } /* gss_duplicate_name */
155