xref: /titanic_41/usr/src/lib/libgss/g_rel_cred.c (revision de5d74c22760a6d2cefd94d0e7f0fd87214fb71f)
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  *  glue routine for gss_release_cred
27  */
28 
29 #include <mechglueP.h>
30 #include "gssapiP_generic.h"
31 #include <stdio.h>
32 #ifdef HAVE_STDLIB_H
33 #include <stdlib.h>
34 #endif
35 
36 OM_uint32
37 gss_release_cred(minor_status,
38 			cred_handle)
39 
40 OM_uint32 		*minor_status;
41 gss_cred_id_t 		*cred_handle;
42 
43 {
44 	OM_uint32		status, temp_status;
45 	int			j;
46 	gss_union_cred_t	union_cred;
47 	gss_mechanism		mech;
48 
49 	if (minor_status == NULL)
50 		return (GSS_S_CALL_INACCESSIBLE_WRITE);
51 
52 	*minor_status = 0;
53 
54 	if (cred_handle == NULL)
55 		return (GSS_S_NO_CRED | GSS_S_CALL_INACCESSIBLE_READ);
56 
57 	/*
58 	 * Loop through the union_cred struct, selecting the approprate
59 	 * underlying mechanism routine and calling it. At the end,
60 	 * release all of the storage taken by the union_cred struct.
61 	 */
62 
63 	union_cred = (gss_union_cred_t)*cred_handle;
64 	if (union_cred == (gss_union_cred_t)GSS_C_NO_CREDENTIAL)
65 		return (GSS_S_COMPLETE);
66 
67 	if (GSSINT_CHK_LOOP(union_cred))
68 		return (GSS_S_NO_CRED | GSS_S_CALL_INACCESSIBLE_READ);
69 
70 	*cred_handle = NULL;
71 
72 	status = GSS_S_COMPLETE;
73 
74 	for (j = 0; j < union_cred->count; j++) {
75 
76 		mech = __gss_get_mechanism(&union_cred->mechs_array[j]);
77 
78 		if (union_cred->mechs_array[j].elements)
79 			free(union_cred->mechs_array[j].elements);
80 		if (mech) {
81 			if (mech->gss_release_cred) {
82 				temp_status = mech->gss_release_cred
83 						(mech->context, minor_status,
84 						&union_cred->cred_array[j]);
85 
86 				if (temp_status != GSS_S_COMPLETE) {
87 					map_error(minor_status, mech);
88 					status = GSS_S_NO_CRED;
89 				}
90 			} else
91 				status = GSS_S_UNAVAILABLE;
92 		} else
93 			status = GSS_S_DEFECTIVE_CREDENTIAL;
94 	}
95 
96 	(void) gss_release_buffer(minor_status, &union_cred->auxinfo.name);
97 	free(union_cred->cred_array);
98 	free(union_cred->mechs_array);
99 	free(union_cred);
100 
101 	return (status);
102 }
103