1 /*
2 * Copyright 2008 Sun Microsystems, Inc. All rights reserved.
3 * Use is subject to license terms.
4 */
5 /*
6 * lib/krb5/krb/set_realm.c
7 *
8 * Copyright 1997 by the Massachusetts Institute of Technology.
9 * All Rights Reserved.
10 *
11 * Export of this software from the United States of America may
12 * require a specific license from the United States Government.
13 * It is the responsibility of any person or organization contemplating
14 * export to obtain such a license before exporting.
15 *
16 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
17 * distribute this software and its documentation for any purpose and
18 * without fee is hereby granted, provided that the above copyright
19 * notice appear in all copies and that both that copyright notice and
20 * this permission notice appear in supporting documentation, and that
21 * the name of M.I.T. not be used in advertising or publicity pertaining
22 * to distribution of the software without specific, written prior
23 * permission. Furthermore if you modify this software you must label
24 * your software as modified software and not distribute it in such a
25 * fashion that it might be confused with the original M.I.T. software.
26 * M.I.T. makes no representations about the suitability of
27 * this software for any purpose. It is provided "as is" without express
28 * or implied warranty.
29 */
30
31 #include "k5-int.h"
32
33 krb5_error_code KRB5_CALLCONV
krb5_set_principal_realm(krb5_context context,krb5_principal principal,const char * realm)34 krb5_set_principal_realm(krb5_context context, krb5_principal principal, const char *realm)
35 {
36 size_t length;
37 char *newrealm;
38
39 if (!realm || !*realm)
40 return EINVAL; /* Solaris Kerberos */
41
42 length = strlen(realm);
43 newrealm = malloc(length+1); /* Include room for the null */
44 if (!newrealm)
45 return ENOMEM; /* Solaris Kerberos */
46 strcpy(newrealm, realm);
47
48 (void) krb5_xfree(krb5_princ_realm(context,principal)->data);
49
50 krb5_princ_realm(context, principal)->length = length;
51 krb5_princ_realm(context, principal)->data = newrealm;
52
53 return 0;
54 }
55
56
57