1*ebfedea0SLionel Sambuc /* $NetBSD: set_default_realm.c,v 1.1.1.1 2011/04/13 18:15:38 elric Exp $ */
2*ebfedea0SLionel Sambuc
3*ebfedea0SLionel Sambuc /*
4*ebfedea0SLionel Sambuc * Copyright (c) 1997 - 2001 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 * Convert the simple string `s' into a NULL-terminated and freshly allocated
40*ebfedea0SLionel Sambuc * list in `list'. Return an error code.
41*ebfedea0SLionel Sambuc */
42*ebfedea0SLionel Sambuc
43*ebfedea0SLionel Sambuc static krb5_error_code
string_to_list(krb5_context context,const char * s,krb5_realm ** list)44*ebfedea0SLionel Sambuc string_to_list (krb5_context context, const char *s, krb5_realm **list)
45*ebfedea0SLionel Sambuc {
46*ebfedea0SLionel Sambuc
47*ebfedea0SLionel Sambuc *list = malloc (2 * sizeof(**list));
48*ebfedea0SLionel Sambuc if (*list == NULL) {
49*ebfedea0SLionel Sambuc krb5_set_error_message(context, ENOMEM,
50*ebfedea0SLionel Sambuc N_("malloc: out of memory", ""));
51*ebfedea0SLionel Sambuc return ENOMEM;
52*ebfedea0SLionel Sambuc }
53*ebfedea0SLionel Sambuc (*list)[0] = strdup (s);
54*ebfedea0SLionel Sambuc if ((*list)[0] == NULL) {
55*ebfedea0SLionel Sambuc free (*list);
56*ebfedea0SLionel Sambuc krb5_set_error_message(context, ENOMEM,
57*ebfedea0SLionel Sambuc N_("malloc: out of memory", ""));
58*ebfedea0SLionel Sambuc return ENOMEM;
59*ebfedea0SLionel Sambuc }
60*ebfedea0SLionel Sambuc (*list)[1] = NULL;
61*ebfedea0SLionel Sambuc return 0;
62*ebfedea0SLionel Sambuc }
63*ebfedea0SLionel Sambuc
64*ebfedea0SLionel Sambuc /*
65*ebfedea0SLionel Sambuc * Set the knowledge of the default realm(s) in `context'.
66*ebfedea0SLionel Sambuc * If realm != NULL, that's the new default realm.
67*ebfedea0SLionel Sambuc * Otherwise, the realm(s) are figured out from configuration or DNS.
68*ebfedea0SLionel Sambuc */
69*ebfedea0SLionel Sambuc
70*ebfedea0SLionel Sambuc KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
krb5_set_default_realm(krb5_context context,const char * realm)71*ebfedea0SLionel Sambuc krb5_set_default_realm(krb5_context context,
72*ebfedea0SLionel Sambuc const char *realm)
73*ebfedea0SLionel Sambuc {
74*ebfedea0SLionel Sambuc krb5_error_code ret = 0;
75*ebfedea0SLionel Sambuc krb5_realm *realms = NULL;
76*ebfedea0SLionel Sambuc
77*ebfedea0SLionel Sambuc if (realm == NULL) {
78*ebfedea0SLionel Sambuc realms = krb5_config_get_strings (context, NULL,
79*ebfedea0SLionel Sambuc "libdefaults",
80*ebfedea0SLionel Sambuc "default_realm",
81*ebfedea0SLionel Sambuc NULL);
82*ebfedea0SLionel Sambuc if (realms == NULL)
83*ebfedea0SLionel Sambuc ret = krb5_get_host_realm(context, NULL, &realms);
84*ebfedea0SLionel Sambuc } else {
85*ebfedea0SLionel Sambuc ret = string_to_list (context, realm, &realms);
86*ebfedea0SLionel Sambuc }
87*ebfedea0SLionel Sambuc if (ret)
88*ebfedea0SLionel Sambuc return ret;
89*ebfedea0SLionel Sambuc krb5_free_host_realm (context, context->default_realms);
90*ebfedea0SLionel Sambuc context->default_realms = realms;
91*ebfedea0SLionel Sambuc return 0;
92*ebfedea0SLionel Sambuc }
93