174462Salfred/* $NetBSD: pmap_rmt.c,v 1.29 2000/07/06 03:10:34 christos Exp $ */ 274462Salfred 3258578Shrs/*- 4258578Shrs * Copyright (c) 2009, Sun Microsystems, Inc. 5258578Shrs * All rights reserved. 68870Srgrimes * 7258578Shrs * Redistribution and use in source and binary forms, with or without 8258578Shrs * modification, are permitted provided that the following conditions are met: 9258578Shrs * - Redistributions of source code must retain the above copyright notice, 10258578Shrs * this list of conditions and the following disclaimer. 11258578Shrs * - Redistributions in binary form must reproduce the above copyright notice, 12258578Shrs * this list of conditions and the following disclaimer in the documentation 13258578Shrs * and/or other materials provided with the distribution. 14258578Shrs * - Neither the name of Sun Microsystems, Inc. nor the names of its 15258578Shrs * contributors may be used to endorse or promote products derived 16258578Shrs * from this software without specific prior written permission. 17258578Shrs * 18258578Shrs * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 19258578Shrs * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20258578Shrs * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21258578Shrs * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 22258578Shrs * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23258578Shrs * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24258578Shrs * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25258578Shrs * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26258578Shrs * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27258578Shrs * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28258578Shrs * POSSIBILITY OF SUCH DAMAGE. 291901Swollman */ 301901Swollman 311901Swollman#if defined(LIBC_SCCS) && !defined(lint) 32136581Sobrienstatic char *sccsid2 = "@(#)pmap_rmt.c 1.21 87/08/27 Copyr 1984 Sun Micro"; 3392990Sobrienstatic char *sccsid = "@(#)pmap_rmt.c 2.2 88/08/01 4.0 RPCSRC"; 341901Swollman#endif 3592990Sobrien#include <sys/cdefs.h> 3692990Sobrien__FBSDID("$FreeBSD$"); 371901Swollman 381901Swollman/* 391901Swollman * pmap_rmt.c 401901Swollman * Client interface to pmap rpc service. 411901Swollman * remote call and broadcast service 421901Swollman * 431901Swollman * Copyright (C) 1984, Sun Microsystems, Inc. 441901Swollman */ 451901Swollman 4671579Sdeischen#include "namespace.h" 4774462Salfred#include <sys/types.h> 4874462Salfred#include <sys/ioctl.h> 4974462Salfred#include <sys/poll.h> 5074462Salfred#include <sys/socket.h> 5174462Salfred 5274462Salfred#include <net/if.h> 5374462Salfred#include <netinet/in.h> 5474462Salfred#include <arpa/inet.h> 5574462Salfred 5674462Salfred#include <assert.h> 5774462Salfred#include <err.h> 5874462Salfred#include <errno.h> 5974462Salfred#include <stdio.h> 6074462Salfred#include <string.h> 6174462Salfred#include <unistd.h> 6274462Salfred 631901Swollman#include <rpc/rpc.h> 641901Swollman#include <rpc/pmap_prot.h> 651901Swollman#include <rpc/pmap_clnt.h> 661901Swollman#include <rpc/pmap_rmt.h> 6771579Sdeischen#include "un-namespace.h" 6871579Sdeischen 6974462Salfredstatic const struct timeval timeout = { 3, 0 }; 701901Swollman 711901Swollman/* 721901Swollman * pmapper remote-call-service interface. 731901Swollman * This routine is used to call the pmapper remote call service 741901Swollman * which will look up a service program in the port maps, and then 751901Swollman * remotely call that routine with the given parameters. This allows 761901Swollman * programs to do a lookup and call in one step. 771901Swollman*/ 781901Swollmanenum clnt_stat 79288113Srodrigcpmap_rmtcall(struct sockaddr_in *addr, u_long prog, u_long vers, u_long proc, 80288113Srodrigc xdrproc_t xdrargs, caddr_t argsp, xdrproc_t xdrres, caddr_t resp, 81288113Srodrigc struct timeval tout, u_long *port_ptr) 821901Swollman{ 8374462Salfred int sock = -1; 8474462Salfred CLIENT *client; 851901Swollman struct rmtcallargs a; 861901Swollman struct rmtcallres r; 871901Swollman enum clnt_stat stat; 881901Swollman 8974462Salfred assert(addr != NULL); 9074462Salfred assert(port_ptr != NULL); 9174462Salfred 921901Swollman addr->sin_port = htons(PMAPPORT); 9374462Salfred client = clntudp_create(addr, PMAPPROG, PMAPVERS, timeout, &sock); 9474462Salfred if (client != NULL) { 951901Swollman a.prog = prog; 961901Swollman a.vers = vers; 971901Swollman a.proc = proc; 981901Swollman a.args_ptr = argsp; 991901Swollman a.xdr_args = xdrargs; 1001901Swollman r.port_ptr = port_ptr; 1011901Swollman r.results_ptr = resp; 1021901Swollman r.xdr_results = xdrres; 10374462Salfred stat = CLNT_CALL(client, (rpcproc_t)PMAPPROC_CALLIT, 10474462Salfred (xdrproc_t)xdr_rmtcall_args, &a, (xdrproc_t)xdr_rmtcallres, 10574462Salfred &r, tout); 1061901Swollman CLNT_DESTROY(client); 1071901Swollman } else { 1081901Swollman stat = RPC_FAILED; 1091901Swollman } 1101901Swollman addr->sin_port = 0; 1111901Swollman return (stat); 1121901Swollman} 1131901Swollman 1141901Swollman 1151901Swollman/* 1161901Swollman * XDR remote call arguments 1171901Swollman * written for XDR_ENCODE direction only 1181901Swollman */ 1191901Swollmanbool_t 120288113Srodrigcxdr_rmtcall_args(XDR *xdrs, struct rmtcallargs *cap) 1211901Swollman{ 1221901Swollman u_int lenposition, argposition, position; 1231901Swollman 12474462Salfred assert(xdrs != NULL); 12574462Salfred assert(cap != NULL); 12674462Salfred 1271901Swollman if (xdr_u_long(xdrs, &(cap->prog)) && 1281901Swollman xdr_u_long(xdrs, &(cap->vers)) && 1291901Swollman xdr_u_long(xdrs, &(cap->proc))) { 1301901Swollman lenposition = XDR_GETPOS(xdrs); 1311901Swollman if (! xdr_u_long(xdrs, &(cap->arglen))) 1321901Swollman return (FALSE); 1331901Swollman argposition = XDR_GETPOS(xdrs); 1341901Swollman if (! (*(cap->xdr_args))(xdrs, cap->args_ptr)) 1351901Swollman return (FALSE); 1361901Swollman position = XDR_GETPOS(xdrs); 1371901Swollman cap->arglen = (u_long)position - (u_long)argposition; 1381901Swollman XDR_SETPOS(xdrs, lenposition); 1391901Swollman if (! xdr_u_long(xdrs, &(cap->arglen))) 1401901Swollman return (FALSE); 1411901Swollman XDR_SETPOS(xdrs, position); 1421901Swollman return (TRUE); 1431901Swollman } 1441901Swollman return (FALSE); 1451901Swollman} 1461901Swollman 1471901Swollman/* 1481901Swollman * XDR remote call results 1491901Swollman * written for XDR_DECODE direction only 1501901Swollman */ 1511901Swollmanbool_t 152288113Srodrigcxdr_rmtcallres(XDR *xdrs, struct rmtcallres *crp) 1531901Swollman{ 1541901Swollman caddr_t port_ptr; 1551901Swollman 15674462Salfred assert(xdrs != NULL); 15774462Salfred assert(crp != NULL); 15874462Salfred 15974462Salfred port_ptr = (caddr_t)(void *)crp->port_ptr; 1601901Swollman if (xdr_reference(xdrs, &port_ptr, sizeof (u_long), 16174462Salfred (xdrproc_t)xdr_u_long) && xdr_u_long(xdrs, &crp->resultslen)) { 16274462Salfred crp->port_ptr = (u_long *)(void *)port_ptr; 1631901Swollman return ((*(crp->xdr_results))(xdrs, crp->results_ptr)); 1641901Swollman } 1651901Swollman return (FALSE); 1661901Swollman} 167