xref: /onnv-gate/usr/src/uts/common/gssapi/gss_import_name.c (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
28*0Sstevel@tonic-gate 
29*0Sstevel@tonic-gate /*
30*0Sstevel@tonic-gate  *  glue routine gss_import_name
31*0Sstevel@tonic-gate  *
32*0Sstevel@tonic-gate  */
33*0Sstevel@tonic-gate 
34*0Sstevel@tonic-gate #include "mechglueP.h"
35*0Sstevel@tonic-gate #include <sys/errno.h>
36*0Sstevel@tonic-gate OM_uint32
gss_import_name(OM_uint32 * minor_status,const gss_buffer_t input_name_buffer,const gss_OID input_name_type,gss_name_t * output_name)37*0Sstevel@tonic-gate gss_import_name(
38*0Sstevel@tonic-gate 	OM_uint32 *minor_status,
39*0Sstevel@tonic-gate 	const gss_buffer_t input_name_buffer,
40*0Sstevel@tonic-gate 	const gss_OID input_name_type,
41*0Sstevel@tonic-gate 	gss_name_t *output_name)
42*0Sstevel@tonic-gate 
43*0Sstevel@tonic-gate {
44*0Sstevel@tonic-gate 	gss_union_name_t	union_name;
45*0Sstevel@tonic-gate 	OM_uint32		major_status = GSS_S_FAILURE;
46*0Sstevel@tonic-gate 
47*0Sstevel@tonic-gate 	if (minor_status)
48*0Sstevel@tonic-gate 		*minor_status = 0;
49*0Sstevel@tonic-gate 
50*0Sstevel@tonic-gate 	/* if output_name is NULL, simply return */
51*0Sstevel@tonic-gate 
52*0Sstevel@tonic-gate 	if (output_name == NULL)
53*0Sstevel@tonic-gate 		return (GSS_S_COMPLETE);
54*0Sstevel@tonic-gate 
55*0Sstevel@tonic-gate 	*output_name = 0;
56*0Sstevel@tonic-gate 
57*0Sstevel@tonic-gate 	if (input_name_buffer == GSS_C_NO_BUFFER || input_name_type == NULL)
58*0Sstevel@tonic-gate 		return (GSS_S_BAD_NAME);
59*0Sstevel@tonic-gate 
60*0Sstevel@tonic-gate 	/*
61*0Sstevel@tonic-gate 	 * First create the union name struct that will hold the external
62*0Sstevel@tonic-gate 	 * name and the name type.
63*0Sstevel@tonic-gate 	 */
64*0Sstevel@tonic-gate 
65*0Sstevel@tonic-gate 	union_name = (gss_union_name_t) MALLOC(sizeof (gss_union_name_desc));
66*0Sstevel@tonic-gate 
67*0Sstevel@tonic-gate 	if (!union_name) {
68*0Sstevel@tonic-gate 		*minor_status = ENOMEM;
69*0Sstevel@tonic-gate 		goto allocation_failure;
70*0Sstevel@tonic-gate 	}
71*0Sstevel@tonic-gate 	union_name->mech_type = 0;
72*0Sstevel@tonic-gate 	union_name->mech_name = 0;
73*0Sstevel@tonic-gate 	union_name->name_type = 0;
74*0Sstevel@tonic-gate 	union_name->external_name = 0;
75*0Sstevel@tonic-gate 
76*0Sstevel@tonic-gate 	/*
77*0Sstevel@tonic-gate 	 * All we do here is record the external name and name_type.
78*0Sstevel@tonic-gate 	 * When the name is actually used, the underlying gss_import_name()
79*0Sstevel@tonic-gate 	 * is called for the appropriate mechanism.
80*0Sstevel@tonic-gate 	 * Since the name type may be a constant or comming from the
81*0Sstevel@tonic-gate 	 * rpc resoults, we must make a copy.
82*0Sstevel@tonic-gate 	 */
83*0Sstevel@tonic-gate 	union_name->external_name =
84*0Sstevel@tonic-gate 	(gss_buffer_t) MALLOC(sizeof (gss_buffer_desc));
85*0Sstevel@tonic-gate 
86*0Sstevel@tonic-gate 	if (!union_name->external_name) {
87*0Sstevel@tonic-gate 		*minor_status = ENOMEM;
88*0Sstevel@tonic-gate 		goto allocation_failure;
89*0Sstevel@tonic-gate 	}
90*0Sstevel@tonic-gate 
91*0Sstevel@tonic-gate 	union_name->external_name->length = input_name_buffer->length;
92*0Sstevel@tonic-gate 	union_name->external_name->value =
93*0Sstevel@tonic-gate 	(void *) MALLOC(input_name_buffer->length);
94*0Sstevel@tonic-gate 
95*0Sstevel@tonic-gate 	if (!union_name->external_name->value) {
96*0Sstevel@tonic-gate 		*minor_status = ENOMEM;
97*0Sstevel@tonic-gate 		goto allocation_failure;
98*0Sstevel@tonic-gate 	}
99*0Sstevel@tonic-gate 
100*0Sstevel@tonic-gate 	(void) memcpy(union_name->external_name->value,
101*0Sstevel@tonic-gate 	    input_name_buffer->value, input_name_buffer->length);
102*0Sstevel@tonic-gate 
103*0Sstevel@tonic-gate 	/*
104*0Sstevel@tonic-gate 	 * making a copy of the name_type structure and elements
105*0Sstevel@tonic-gate 	 * we now delete it when calling gss_release_name
106*0Sstevel@tonic-gate 	 */
107*0Sstevel@tonic-gate 	union_name->name_type = (gss_OID) MALLOC(sizeof (gss_OID_desc));
108*0Sstevel@tonic-gate 
109*0Sstevel@tonic-gate 	if (!union_name->name_type) {
110*0Sstevel@tonic-gate 		*minor_status = ENOMEM;
111*0Sstevel@tonic-gate 		goto allocation_failure;
112*0Sstevel@tonic-gate 	}
113*0Sstevel@tonic-gate 
114*0Sstevel@tonic-gate 	union_name->name_type->elements = (void *)
115*0Sstevel@tonic-gate 		MALLOC(input_name_type->length);
116*0Sstevel@tonic-gate 
117*0Sstevel@tonic-gate 	if (!union_name->name_type->elements) {
118*0Sstevel@tonic-gate 		*minor_status = ENOMEM;
119*0Sstevel@tonic-gate 		goto allocation_failure;
120*0Sstevel@tonic-gate 	}
121*0Sstevel@tonic-gate 
122*0Sstevel@tonic-gate 	(void) memcpy(union_name->name_type->elements,
123*0Sstevel@tonic-gate 		input_name_type->elements, input_name_type->length);
124*0Sstevel@tonic-gate 	union_name->name_type->length = input_name_type->length;
125*0Sstevel@tonic-gate 
126*0Sstevel@tonic-gate 	*output_name = (gss_name_t) union_name;
127*0Sstevel@tonic-gate 
128*0Sstevel@tonic-gate 	return (GSS_S_COMPLETE);
129*0Sstevel@tonic-gate 
130*0Sstevel@tonic-gate allocation_failure:
131*0Sstevel@tonic-gate 	if (union_name) {
132*0Sstevel@tonic-gate 
133*0Sstevel@tonic-gate 		if (union_name->external_name) {
134*0Sstevel@tonic-gate 			if (union_name->external_name->value)
135*0Sstevel@tonic-gate 				FREE(union_name->external_name->value,
136*0Sstevel@tonic-gate 					union_name->external_name->length);
137*0Sstevel@tonic-gate 			FREE(union_name->external_name,
138*0Sstevel@tonic-gate 				sizeof (gss_buffer_desc));
139*0Sstevel@tonic-gate 		}
140*0Sstevel@tonic-gate 
141*0Sstevel@tonic-gate 		if (union_name->name_type) {
142*0Sstevel@tonic-gate 			FREE(union_name->name_type, sizeof (gss_OID_desc));
143*0Sstevel@tonic-gate 		}
144*0Sstevel@tonic-gate 		FREE(union_name, sizeof (gss_union_name_desc));
145*0Sstevel@tonic-gate 	}
146*0Sstevel@tonic-gate 	return (major_status);
147*0Sstevel@tonic-gate }
148