_yp_check.c revision 1.5
1/* 2 * Copyright (c) 1992, 1993 Theo de Raadt <deraadt@theos.com> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS 15 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY 18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#if defined(LIBC_SCCS) && !defined(lint) 28static char *rcsid = "$OpenBSD: _yp_check.c,v 1.5 2003/06/02 03:48:42 deraadt Exp $"; 29#endif /* LIBC_SCCS and not lint */ 30 31#include <sys/param.h> 32#include <sys/types.h> 33#include <sys/socket.h> 34#include <sys/file.h> 35#include <sys/uio.h> 36#include <errno.h> 37#include <stdio.h> 38#include <stdlib.h> 39#include <string.h> 40#include <unistd.h> 41#include <rpc/rpc.h> 42#include <rpc/xdr.h> 43#include <rpcsvc/yp.h> 44#include <rpcsvc/ypclnt.h> 45#include "ypinternal.h" 46 47int 48_yp_check(char **dom) 49{ 50 char *unused; 51 52 if (_yp_domain[0] == '\0') 53 if (yp_get_default_domain(&unused)) 54 return 0; 55 56 if (dom) 57 *dom = _yp_domain; 58 59 if (yp_bind(_yp_domain) == 0) 60 return 1; 61 return 0; 62} 63