xref: /minix3/crypto/external/bsd/heimdal/dist/lib/krb5/get_default_realm.c (revision ebfedea0ce5bbe81e252ddf32d732e40fb633fae)
1*ebfedea0SLionel Sambuc /*	$NetBSD: get_default_realm.c,v 1.1.1.1 2011/04/13 18:15:33 elric Exp $	*/
2*ebfedea0SLionel Sambuc 
3*ebfedea0SLionel Sambuc /*
4*ebfedea0SLionel Sambuc  * Copyright (c) 1997 - 2001, 2004 Kungliga Tekniska Högskolan
5*ebfedea0SLionel Sambuc  * (Royal Institute of Technology, Stockholm, Sweden).
6*ebfedea0SLionel Sambuc  * All rights reserved.
7*ebfedea0SLionel Sambuc  *
8*ebfedea0SLionel Sambuc  * Redistribution and use in source and binary forms, with or without
9*ebfedea0SLionel Sambuc  * modification, are permitted provided that the following conditions
10*ebfedea0SLionel Sambuc  * are met:
11*ebfedea0SLionel Sambuc  *
12*ebfedea0SLionel Sambuc  * 1. Redistributions of source code must retain the above copyright
13*ebfedea0SLionel Sambuc  *    notice, this list of conditions and the following disclaimer.
14*ebfedea0SLionel Sambuc  *
15*ebfedea0SLionel Sambuc  * 2. Redistributions in binary form must reproduce the above copyright
16*ebfedea0SLionel Sambuc  *    notice, this list of conditions and the following disclaimer in the
17*ebfedea0SLionel Sambuc  *    documentation and/or other materials provided with the distribution.
18*ebfedea0SLionel Sambuc  *
19*ebfedea0SLionel Sambuc  * 3. Neither the name of the Institute nor the names of its contributors
20*ebfedea0SLionel Sambuc  *    may be used to endorse or promote products derived from this software
21*ebfedea0SLionel Sambuc  *    without specific prior written permission.
22*ebfedea0SLionel Sambuc  *
23*ebfedea0SLionel Sambuc  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
24*ebfedea0SLionel Sambuc  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25*ebfedea0SLionel Sambuc  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26*ebfedea0SLionel Sambuc  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
27*ebfedea0SLionel Sambuc  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28*ebfedea0SLionel Sambuc  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29*ebfedea0SLionel Sambuc  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30*ebfedea0SLionel Sambuc  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31*ebfedea0SLionel Sambuc  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32*ebfedea0SLionel Sambuc  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33*ebfedea0SLionel Sambuc  * SUCH DAMAGE.
34*ebfedea0SLionel Sambuc  */
35*ebfedea0SLionel Sambuc 
36*ebfedea0SLionel Sambuc #include "krb5_locl.h"
37*ebfedea0SLionel Sambuc 
38*ebfedea0SLionel Sambuc /*
39*ebfedea0SLionel Sambuc  * Return a NULL-terminated list of default realms in `realms'.
40*ebfedea0SLionel Sambuc  * Free this memory with krb5_free_host_realm.
41*ebfedea0SLionel Sambuc  */
42*ebfedea0SLionel Sambuc 
43*ebfedea0SLionel Sambuc KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_get_default_realms(krb5_context context,krb5_realm ** realms)44*ebfedea0SLionel Sambuc krb5_get_default_realms (krb5_context context,
45*ebfedea0SLionel Sambuc 			 krb5_realm **realms)
46*ebfedea0SLionel Sambuc {
47*ebfedea0SLionel Sambuc     if (context->default_realms == NULL) {
48*ebfedea0SLionel Sambuc 	krb5_error_code ret = krb5_set_default_realm (context, NULL);
49*ebfedea0SLionel Sambuc 	if (ret)
50*ebfedea0SLionel Sambuc 	    return KRB5_CONFIG_NODEFREALM;
51*ebfedea0SLionel Sambuc     }
52*ebfedea0SLionel Sambuc 
53*ebfedea0SLionel Sambuc     return krb5_copy_host_realm (context,
54*ebfedea0SLionel Sambuc 				 context->default_realms,
55*ebfedea0SLionel Sambuc 				 realms);
56*ebfedea0SLionel Sambuc }
57*ebfedea0SLionel Sambuc 
58*ebfedea0SLionel Sambuc /*
59*ebfedea0SLionel Sambuc  * Return the first default realm.  For compatibility.
60*ebfedea0SLionel Sambuc  */
61*ebfedea0SLionel Sambuc 
62*ebfedea0SLionel Sambuc KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_get_default_realm(krb5_context context,krb5_realm * realm)63*ebfedea0SLionel Sambuc krb5_get_default_realm(krb5_context context,
64*ebfedea0SLionel Sambuc 		       krb5_realm *realm)
65*ebfedea0SLionel Sambuc {
66*ebfedea0SLionel Sambuc     krb5_error_code ret;
67*ebfedea0SLionel Sambuc     char *res;
68*ebfedea0SLionel Sambuc 
69*ebfedea0SLionel Sambuc     if (context->default_realms == NULL
70*ebfedea0SLionel Sambuc 	|| context->default_realms[0] == NULL) {
71*ebfedea0SLionel Sambuc 	krb5_clear_error_message(context);
72*ebfedea0SLionel Sambuc 	ret = krb5_set_default_realm (context, NULL);
73*ebfedea0SLionel Sambuc 	if (ret)
74*ebfedea0SLionel Sambuc 	    return ret;
75*ebfedea0SLionel Sambuc     }
76*ebfedea0SLionel Sambuc 
77*ebfedea0SLionel Sambuc     res = strdup (context->default_realms[0]);
78*ebfedea0SLionel Sambuc     if (res == NULL) {
79*ebfedea0SLionel Sambuc 	krb5_set_error_message(context, ENOMEM,
80*ebfedea0SLionel Sambuc 			       N_("malloc: out of memory", ""));
81*ebfedea0SLionel Sambuc 	return ENOMEM;
82*ebfedea0SLionel Sambuc     }
83*ebfedea0SLionel Sambuc     *realm = res;
84*ebfedea0SLionel Sambuc     return 0;
85*ebfedea0SLionel Sambuc }
86