xref: /openbsd-src/lib/libc/yp/yp_maplist.c (revision 2d62dde8310c0f11b45f14adaba36cf1950be6bf)
1*2d62dde8Sderaadt /*	$OpenBSD: yp_maplist.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 <string.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"
3618128546Sderaadt 
3718128546Sderaadt int
yp_maplist(const char * indomain,struct ypmaplist ** outmaplist)3811e5d692Sderaadt yp_maplist(const char *indomain, struct ypmaplist **outmaplist)
3918128546Sderaadt {
4018128546Sderaadt 	struct dom_binding *ysd;
4118128546Sderaadt 	struct ypresp_maplist ypml;
4218128546Sderaadt 	struct timeval  tv;
4377124a50Sderaadt 	int tries = 0, r;
4418128546Sderaadt 
4518128546Sderaadt again:
4618128546Sderaadt 	if (_yp_dobind(indomain, &ysd) != 0)
4718128546Sderaadt 		return YPERR_DOMAIN;
4818128546Sderaadt 
4918128546Sderaadt 	tv.tv_sec = _yplib_timeout;
5018128546Sderaadt 	tv.tv_usec = 0;
5118128546Sderaadt 
5218128546Sderaadt 	memset(&ypml, 0, sizeof ypml);
5318128546Sderaadt 
5418128546Sderaadt 	r = clnt_call(ysd->dom_client, YPPROC_MAPLIST,
5518128546Sderaadt 	    xdr_domainname, &indomain, xdr_ypresp_maplist, &ypml, tv);
5618128546Sderaadt 	if (r != RPC_SUCCESS) {
5777124a50Sderaadt 		if (tries++)
5818128546Sderaadt 			clnt_perror(ysd->dom_client, "yp_maplist: clnt_call");
59*2d62dde8Sderaadt 		_yp_unbind(ysd);
6018128546Sderaadt 		goto again;
6118128546Sderaadt 	}
6218128546Sderaadt 	*outmaplist = ypml.maps;
6318128546Sderaadt 	/* NO: xdr_free(xdr_ypresp_maplist, &ypml); */
6418128546Sderaadt 	_yp_unbind(ysd);
6518128546Sderaadt 	return ypprot_err(ypml.stat);
6618128546Sderaadt }
67