xref: /freebsd/crypto/krb5/src/lib/krb5/krb/set_realm.c (revision 7f2fe78b9dd5f51c821d771b63d2e096f6fd49e9)
1 /* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
2 /* lib/krb5/krb/set_realm.c */
3 /*
4  * Copyright 1997 by the Massachusetts Institute of Technology.
5  * All Rights Reserved.
6  *
7  * Export of this software from the United States of America may
8  *   require a specific license from the United States Government.
9  *   It is the responsibility of any person or organization contemplating
10  *   export to obtain such a license before exporting.
11  *
12  * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
13  * distribute this software and its documentation for any purpose and
14  * without fee is hereby granted, provided that the above copyright
15  * notice appear in all copies and that both that copyright notice and
16  * this permission notice appear in supporting documentation, and that
17  * the name of M.I.T. not be used in advertising or publicity pertaining
18  * to distribution of the software without specific, written prior
19  * permission.  Furthermore if you modify this software you must label
20  * your software as modified software and not distribute it in such a
21  * fashion that it might be confused with the original M.I.T. software.
22  * M.I.T. makes no representations about the suitability of
23  * this software for any purpose.  It is provided "as is" without express
24  * or implied warranty.
25  */
26 
27 #include "k5-int.h"
28 
29 krb5_error_code KRB5_CALLCONV
krb5_set_principal_realm(krb5_context context,krb5_principal principal,const char * realm)30 krb5_set_principal_realm(krb5_context context, krb5_principal principal,
31                          const char *realm)
32 {
33     size_t  length;
34     char    *newrealm;
35 
36     if (!realm)
37         return EINVAL;
38 
39     length = strlen(realm);
40     newrealm = strdup(realm);
41     if (!newrealm)
42         return ENOMEM;
43 
44     free(principal->realm.data);
45     principal->realm = make_data(newrealm, length);
46 
47     return 0;
48 }
49