freebsd-skq/crypto/heimdal/lib/krb5/get_default_realm.c
2008-05-07 13:39:42 +00:00

85 lines
2.8 KiB
C

/*
* Copyright (c) 1997 - 2001, 2004 Kungliga Tekniska Högskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include "krb5_locl.h"
RCSID("$Id: get_default_realm.c 13863 2004-05-25 21:46:46Z lha $");
/*
* Return a NULL-terminated list of default realms in `realms'.
* Free this memory with krb5_free_host_realm.
*/
krb5_error_code KRB5_LIB_FUNCTION
krb5_get_default_realms (krb5_context context,
krb5_realm **realms)
{
if (context->default_realms == NULL) {
krb5_error_code ret = krb5_set_default_realm (context, NULL);
if (ret)
return KRB5_CONFIG_NODEFREALM;
}
return krb5_copy_host_realm (context,
context->default_realms,
realms);
}
/*
* Return the first default realm. For compatibility.
*/
krb5_error_code KRB5_LIB_FUNCTION
krb5_get_default_realm(krb5_context context,
krb5_realm *realm)
{
krb5_error_code ret;
char *res;
if (context->default_realms == NULL
|| context->default_realms[0] == NULL) {
krb5_clear_error_string(context);
ret = krb5_set_default_realm (context, NULL);
if (ret)
return ret;
}
res = strdup (context->default_realms[0]);
if (res == NULL) {
krb5_set_error_string(context, "malloc: out of memory");
return ENOMEM;
}
*realm = res;
return 0;
}