1 /* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
2 /* lib/krb5/os/realm_dom.c */
3 /*
4 * Copyright 1990,1991 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 /*
28 * Determines the proper domain name for a realm. This is mainly so that
29 * a krb4 principal can be converted properly into a krb5 principal.
30 * Currently, the same style of mapping file used in krb4.
31 *
32 * If realm is NULL, this function will assume the default realm
33 * of the local host.
34 *
35 * The returned domain is allocated, and must be freed by the caller.
36 *
37 * This was hacked together from krb5_get_host_realm().
38 */
39
40 #include "k5-int.h"
41 #include <ctype.h>
42 #include <stdio.h>
43
44 krb5_error_code KRB5_CALLCONV
krb5_get_realm_domain(krb5_context context,const char * realm,char ** domain)45 krb5_get_realm_domain(krb5_context context, const char *realm, char **domain)
46 {
47 krb5_error_code retval;
48 char *temp_domain = 0;
49
50 retval = profile_get_string(context->profile, KRB5_CONF_REALMS, realm,
51 KRB5_CONF_DEFAULT_DOMAIN, realm, &temp_domain);
52 if (!retval && temp_domain)
53 {
54 *domain = strdup(temp_domain);
55 if (!*domain) {
56 retval = ENOMEM;
57 }
58 profile_release_string(temp_domain);
59 }
60 return retval;
61 }
62