xref: /illumos-gate/usr/src/lib/gss_mechs/mech_krb5/krb5/krb/init_allocated_keyblock.c (revision 1da57d551424de5a9d469760be7c4b4d4f10a755)
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 /*
23  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #include "k5-int.h"
28 
29 krb5_error_code KRB5_CALLCONV
krb5_init_allocated_keyblock(krb5_context context,krb5_enctype enctype,unsigned int length,krb5_keyblock * kb)30 krb5_init_allocated_keyblock(
31 	krb5_context context,
32 	krb5_enctype enctype,
33 	unsigned int length,
34 	krb5_keyblock *kb)
35 {
36 
37 	if (!kb)
38 		return (EINVAL);
39 
40 	(void) memset(kb, 0, sizeof (*kb));
41 	kb->enctype = enctype;
42 	kb->length = length;
43 
44 	if (length) {
45 		kb->contents = malloc(length);
46 		if (!kb->contents) {
47 			return (ENOMEM);
48 		}
49 		(void) memset(kb->contents, 0, length);
50 	} else {
51 		kb->contents = NULL;
52 	}
53 
54 	kb->dk_list = NULL;
55 
56 #ifdef _KERNEL
57 	kb->kef_key = NULL;
58 #else
59 	kb->hKey = CK_INVALID_HANDLE;
60 #endif
61 
62 	return (0);
63 }
64