174462Salfred/* $NetBSD: pmap_getport.c,v 1.16 2000/07/06 03:10:34 christos Exp $ */ 274462Salfred 3261057Smav/*- 4261057Smav * Copyright (c) 2009, Sun Microsystems, Inc. 5261057Smav * All rights reserved. 68870Srgrimes * 7261057Smav * Redistribution and use in source and binary forms, with or without 8261057Smav * modification, are permitted provided that the following conditions are met: 9261057Smav * - Redistributions of source code must retain the above copyright notice, 10261057Smav * this list of conditions and the following disclaimer. 11261057Smav * - Redistributions in binary form must reproduce the above copyright notice, 12261057Smav * this list of conditions and the following disclaimer in the documentation 13261057Smav * and/or other materials provided with the distribution. 14261057Smav * - Neither the name of Sun Microsystems, Inc. nor the names of its 15261057Smav * contributors may be used to endorse or promote products derived 16261057Smav * from this software without specific prior written permission. 17261057Smav * 18261057Smav * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 19261057Smav * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20261057Smav * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21261057Smav * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 22261057Smav * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23261057Smav * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24261057Smav * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25261057Smav * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26261057Smav * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27261057Smav * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28261057Smav * POSSIBILITY OF SUCH DAMAGE. 291901Swollman */ 301901Swollman 311901Swollman#if defined(LIBC_SCCS) && !defined(lint) 32136581Sobrienstatic char *sccsid2 = "from: @(#)pmap_getport.c 1.9 87/08/11 Copyr 1984 Sun Micro"; 3392990Sobrienstatic char *sccsid = "from: @(#)pmap_getport.c 2.2 88/08/01 4.0 RPCSRC"; 341901Swollman#endif 3592990Sobrien#include <sys/cdefs.h> 3692990Sobrien__FBSDID("$FreeBSD$"); 371901Swollman 381901Swollman/* 391901Swollman * pmap_getport.c 401901Swollman * Client interface to pmap rpc service. 411901Swollman * 421901Swollman * Copyright (C) 1984, Sun Microsystems, Inc. 431901Swollman */ 441901Swollman 4571579Sdeischen#include "namespace.h" 4674462Salfred#include <sys/types.h> 4774462Salfred#include <sys/socket.h> 4874462Salfred 4990868Smike#include <arpa/inet.h> 5074462Salfred#include <net/if.h> 5174462Salfred 5274462Salfred#include <assert.h> 5374462Salfred#include <unistd.h> 5474462Salfred 551901Swollman#include <rpc/rpc.h> 561901Swollman#include <rpc/pmap_prot.h> 571901Swollman#include <rpc/pmap_clnt.h> 5871579Sdeischen#include "un-namespace.h" 591901Swollman 6074462Salfredstatic const struct timeval timeout = { 5, 0 }; 6174462Salfredstatic const struct timeval tottimeout = { 60, 0 }; 621901Swollman 631901Swollman/* 641901Swollman * Find the mapped port for program,version. 651901Swollman * Calls the pmap service remotely to do the lookup. 661901Swollman * Returns 0 if no map exists. 671901Swollman */ 681901Swollmanu_short 691901Swollmanpmap_getport(address, program, version, protocol) 701901Swollman struct sockaddr_in *address; 711901Swollman u_long program; 721901Swollman u_long version; 731901Swollman u_int protocol; 741901Swollman{ 751901Swollman u_short port = 0; 7674462Salfred int sock = -1; 7774462Salfred CLIENT *client; 781901Swollman struct pmap parms; 791901Swollman 8074462Salfred assert(address != NULL); 8174462Salfred 821901Swollman address->sin_port = htons(PMAPPORT); 831901Swollman client = clntudp_bufcreate(address, PMAPPROG, 8474462Salfred PMAPVERS, timeout, &sock, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE); 8574462Salfred if (client != NULL) { 861901Swollman parms.pm_prog = program; 871901Swollman parms.pm_vers = version; 881901Swollman parms.pm_prot = protocol; 891901Swollman parms.pm_port = 0; /* not needed or used */ 9074462Salfred if (CLNT_CALL(client, (rpcproc_t)PMAPPROC_GETPORT, 9174462Salfred (xdrproc_t)xdr_pmap, 9274462Salfred &parms, (xdrproc_t)xdr_u_short, &port, tottimeout) != 9374462Salfred RPC_SUCCESS){ 941901Swollman rpc_createerr.cf_stat = RPC_PMAPFAILURE; 951901Swollman clnt_geterr(client, &rpc_createerr.cf_error); 961901Swollman } else if (port == 0) { 971901Swollman rpc_createerr.cf_stat = RPC_PROGNOTREGISTERED; 981901Swollman } 991901Swollman CLNT_DESTROY(client); 1001901Swollman } 1011901Swollman address->sin_port = 0; 1021901Swollman return (port); 1031901Swollman} 104