1*2d62dde8Sderaadt /* $OpenBSD: yp_get_default_domain.c,v 1.10 2022/08/02 16:59:30 deraadt Exp $ */
218128546Sderaadt /*
318128546Sderaadt * Copyright (c) 1992, 1993 Theo de Raadt <deraadt@theos.com>
418128546Sderaadt * All rights reserved.
518128546Sderaadt *
618128546Sderaadt * Redistribution and use in source and binary forms, with or without
718128546Sderaadt * modification, are permitted provided that the following conditions
818128546Sderaadt * are met:
918128546Sderaadt * 1. Redistributions of source code must retain the above copyright
1018128546Sderaadt * notice, this list of conditions and the following disclaimer.
1118128546Sderaadt * 2. Redistributions in binary form must reproduce the above copyright
1218128546Sderaadt * notice, this list of conditions and the following disclaimer in the
1318128546Sderaadt * documentation and/or other materials provided with the distribution.
1418128546Sderaadt *
1518128546Sderaadt * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
1618128546Sderaadt * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
1718128546Sderaadt * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
1818128546Sderaadt * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
1918128546Sderaadt * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
2018128546Sderaadt * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
2118128546Sderaadt * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
2218128546Sderaadt * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
2318128546Sderaadt * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
2418128546Sderaadt * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
2518128546Sderaadt * SUCH DAMAGE.
2618128546Sderaadt */
2718128546Sderaadt
2818128546Sderaadt #include <sys/types.h>
2918128546Sderaadt #include <unistd.h>
30aea60beeSderaadt #include <limits.h>
3118128546Sderaadt #include <rpc/rpc.h>
3218128546Sderaadt #include <rpc/xdr.h>
3318128546Sderaadt #include <rpcsvc/yp.h>
3418128546Sderaadt #include <rpcsvc/ypclnt.h>
3518128546Sderaadt #include "ypinternal.h"
36*2d62dde8Sderaadt #include "thread_private.h"
37*2d62dde8Sderaadt
38*2d62dde8Sderaadt _THREAD_PRIVATE_KEY(yp_get_default_domain);
3918128546Sderaadt
4018128546Sderaadt int
yp_get_default_domain(char ** domp)4111e5d692Sderaadt yp_get_default_domain(char **domp)
4218128546Sderaadt {
43*2d62dde8Sderaadt int r = 0;
44*2d62dde8Sderaadt
45*2d62dde8Sderaadt _THREAD_PRIVATE_MUTEX_LOCK(yp_get_default_domain);
4618128546Sderaadt *domp = NULL;
47*2d62dde8Sderaadt if (_yp_domain[0] == '\0') {
48*2d62dde8Sderaadt if (getdomainname(_yp_domain, sizeof _yp_domain) ||
49*2d62dde8Sderaadt _yp_domain[0] == '\0') {
50*2d62dde8Sderaadt r = YPERR_NODOM;
51*2d62dde8Sderaadt goto out;
52*2d62dde8Sderaadt }
53*2d62dde8Sderaadt }
5418128546Sderaadt *domp = _yp_domain;
55*2d62dde8Sderaadt out:
56*2d62dde8Sderaadt _THREAD_PRIVATE_MUTEX_UNLOCK(yp_get_default_domain);
57*2d62dde8Sderaadt return r;
5818128546Sderaadt }
59ba364befSguenther DEF_WEAK(yp_get_default_domain);
60