1/*
2 * Copyright (c) 1997 - 2001, 2004 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 *
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * 3. Neither the name of the Institute nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#include "krb5_locl.h"
35
36/*
37 * Return a NULL-terminated list of default realms in `realms'.
38 * Free this memory with krb5_free_host_realm.
39 */
40
41KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
42krb5_get_default_realms (krb5_context context,
43			 krb5_realm **realms)
44{
45    if (context->default_realms == NULL) {
46	krb5_error_code ret = krb5_set_default_realm (context, NULL);
47	if (ret)
48	    return KRB5_CONFIG_NODEFREALM;
49    }
50
51    return krb5_copy_host_realm (context,
52				 context->default_realms,
53				 realms);
54}
55
56/*
57 * Return the first default realm.  For compatibility.
58 */
59
60KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
61krb5_get_default_realm(krb5_context context,
62		       krb5_realm *realm)
63{
64    krb5_error_code ret;
65    char *res;
66
67    if (context->default_realms == NULL
68	|| context->default_realms[0] == NULL) {
69	krb5_clear_error_message(context);
70	ret = krb5_set_default_realm (context, NULL);
71	if (ret)
72	    return ret;
73    }
74
75    res = strdup (context->default_realms[0]);
76    if (res == NULL) {
77	krb5_set_error_message(context, ENOMEM,
78			       N_("malloc: out of memory", ""));
79	return ENOMEM;
80    }
81    *realm = res;
82    return 0;
83}
84