xref: /openbsd-src/lib/libc/yp/_yp_check.c (revision 6cf18d3cb20853cc5ebd5394e201747797e04cc0)
1 /*	$OpenBSD: _yp_check.c,v 1.8 2015/09/14 12:09:35 guenther Exp $ */
2 /*
3  * Copyright (c) 1992, 1993 Theo de Raadt <deraadt@theos.com>
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  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
16  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
19  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  */
27 
28 #include <sys/types.h>
29 #include <limits.h>
30 #include <rpc/rpc.h>
31 #include <rpc/xdr.h>
32 #include <rpcsvc/yp.h>
33 #include <rpcsvc/ypclnt.h>
34 #include "ypinternal.h"
35 
36 int
_yp_check(char ** dom)37 _yp_check(char **dom)
38 {
39 	char           *unused;
40 
41 	if (_yp_domain[0] == '\0')
42 		if (yp_get_default_domain(&unused))
43 			return 0;
44 
45 	if (dom)
46 		*dom = _yp_domain;
47 
48 	if (yp_bind(_yp_domain) == 0)
49 		return 1;
50 	return 0;
51 }
52 DEF_WEAK(_yp_check);
53