1 /* $NetBSD: get_default_realm.c,v 1.2 2017/01/28 21:31:49 christos Exp $ */
2
3 /*
4 * Copyright (c) 1997 - 2001, 2004 Kungliga Tekniska Högskolan
5 * (Royal Institute of Technology, Stockholm, Sweden).
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * 3. Neither the name of the Institute nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
36 #include "krb5_locl.h"
37
38 /*
39 * Return a NULL-terminated list of default realms in `realms'.
40 * Free this memory with krb5_free_host_realm.
41 */
42
43 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_get_default_realms(krb5_context context,krb5_realm ** realms)44 krb5_get_default_realms (krb5_context context,
45 krb5_realm **realms)
46 {
47 if (context->default_realms == NULL) {
48 krb5_error_code ret = krb5_set_default_realm (context, NULL);
49 if (ret)
50 return KRB5_CONFIG_NODEFREALM;
51 }
52
53 return krb5_copy_host_realm (context,
54 context->default_realms,
55 realms);
56 }
57
58 /*
59 * Return the first default realm. For compatibility.
60 */
61
62 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_get_default_realm(krb5_context context,krb5_realm * realm)63 krb5_get_default_realm(krb5_context context,
64 krb5_realm *realm)
65 {
66 krb5_error_code ret;
67 char *res;
68
69 if (context->default_realms == NULL
70 || context->default_realms[0] == NULL) {
71 krb5_clear_error_message(context);
72 ret = krb5_set_default_realm (context, NULL);
73 if (ret)
74 return ret;
75 }
76
77 res = strdup (context->default_realms[0]);
78 if (res == NULL)
79 return krb5_enomem(context);
80 *realm = res;
81 return 0;
82 }
83