pmap_getport.c revision 1.1
1193326Sed/* $NetBSD: pmap_getport.c,v 1.2 1995/02/25 03:01:49 cgd Exp $ */ 2193326Sed 3193326Sed/* 4193326Sed * Sun RPC is a product of Sun Microsystems, Inc. and is provided for 5193326Sed * unrestricted use provided that this legend is included on all tape 6193326Sed * media and as a part of the software program in whole or part. Users 7193326Sed * may copy or modify Sun RPC without charge, but are not authorized 8193326Sed * to license or distribute it to anyone else except as part of a product or 9193326Sed * program developed by the user. 10226633Sdim * 11193326Sed * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE 12193326Sed * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR 13193326Sed * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. 14212904Sdim * 15193326Sed * Sun RPC is provided with no support and without any obligation on the 16212904Sdim * part of Sun Microsystems, Inc. to assist in its use, correction, 17193326Sed * modification or enhancement. 18193326Sed * 19201361Srdivacky * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE 20249423Sdim * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC 21249423Sdim * OR ANY PART THEREOF. 22249423Sdim * 23249423Sdim * In no event will Sun Microsystems, Inc. be liable for any lost revenue 24234353Sdim * or profits or other special, indirect and consequential damages, even if 25234353Sdim * Sun has been advised of the possibility of such damages. 26200583Srdivacky * 27226633Sdim * Sun Microsystems, Inc. 28193326Sed * 2550 Garcia Avenue 29193326Sed * Mountain View, California 94043 30193326Sed */ 31193326Sed 32193326Sed#if defined(LIBC_SCCS) && !defined(lint) 33193326Sed/*static char *sccsid = "from: @(#)pmap_getport.c 1.9 87/08/11 Copyr 1984 Sun Micro";*/ 34193326Sed/*static char *sccsid = "from: @(#)pmap_getport.c 2.2 88/08/01 4.0 RPCSRC";*/ 35263508Sdimstatic char *rcsid = "$NetBSD: pmap_getport.c,v 1.2 1995/02/25 03:01:49 cgd Exp $"; 36263508Sdim#endif 37263508Sdim 38263508Sdim/* 39263508Sdim * pmap_getport.c 40263508Sdim * Client interface to pmap rpc service. 41263508Sdim * 42263508Sdim * Copyright (C) 1984, Sun Microsystems, Inc. 43263508Sdim */ 44263508Sdim 45263508Sdim#include <rpc/rpc.h> 46263508Sdim#include <rpc/pmap_prot.h> 47263508Sdim#include <rpc/pmap_clnt.h> 48263508Sdim#include <sys/socket.h> 49263508Sdim#include <net/if.h> 50263508Sdim 51263508Sdimstatic struct timeval timeout = { 5, 0 }; 52263508Sdimstatic struct timeval tottimeout = { 60, 0 }; 53263508Sdim 54263508Sdim/* 55263508Sdim * Find the mapped port for program,version. 56263508Sdim * Calls the pmap service remotely to do the lookup. 57263508Sdim * Returns 0 if no map exists. 58263508Sdim */ 59263508Sdimu_short 60263508Sdimpmap_getport(address, program, version, protocol) 61193326Sed struct sockaddr_in *address; 62263508Sdim u_long program; 63193326Sed u_long version; 64193326Sed u_int protocol; 65193326Sed{ 66198092Srdivacky u_short port = 0; 67193326Sed int socket = -1; 68193326Sed register CLIENT *client; 69263508Sdim struct pmap parms; 70193326Sed 71193326Sed address->sin_port = htons(PMAPPORT); 72193326Sed client = clntudp_bufcreate(address, PMAPPROG, 73263508Sdim PMAPVERS, timeout, &socket, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE); 74263508Sdim if (client != (CLIENT *)NULL) { 75193326Sed parms.pm_prog = program; 76263508Sdim parms.pm_vers = version; 77263508Sdim parms.pm_prot = protocol; 78226633Sdim parms.pm_port = 0; /* not needed or used */ 79226633Sdim if (CLNT_CALL(client, PMAPPROC_GETPORT, xdr_pmap, &parms, 80226633Sdim xdr_u_short, &port, tottimeout) != RPC_SUCCESS){ 81226633Sdim rpc_createerr.cf_stat = RPC_PMAPFAILURE; 82226633Sdim clnt_geterr(client, &rpc_createerr.cf_error); 83226633Sdim } else if (port == 0) { 84263508Sdim rpc_createerr.cf_stat = RPC_PROGNOTREGISTERED; 85263508Sdim } 86263508Sdim CLNT_DESTROY(client); 87263508Sdim } 88263508Sdim (void)close(socket); 89263508Sdim address->sin_port = 0; 90263508Sdim return (port); 91263508Sdim} 92263508Sdim