pmap_rmt.c revision 92990
174462Salfred/* $NetBSD: pmap_rmt.c,v 1.29 2000/07/06 03:10:34 christos Exp $ */ 274462Salfred 31901Swollman/* 41901Swollman * Sun RPC is a product of Sun Microsystems, Inc. and is provided for 51901Swollman * unrestricted use provided that this legend is included on all tape 61901Swollman * media and as a part of the software program in whole or part. Users 71901Swollman * may copy or modify Sun RPC without charge, but are not authorized 81901Swollman * to license or distribute it to anyone else except as part of a product or 91901Swollman * program developed by the user. 108870Srgrimes * 111901Swollman * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE 121901Swollman * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR 131901Swollman * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. 148870Srgrimes * 151901Swollman * Sun RPC is provided with no support and without any obligation on the 161901Swollman * part of Sun Microsystems, Inc. to assist in its use, correction, 171901Swollman * modification or enhancement. 188870Srgrimes * 191901Swollman * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE 201901Swollman * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC 211901Swollman * OR ANY PART THEREOF. 228870Srgrimes * 231901Swollman * In no event will Sun Microsystems, Inc. be liable for any lost revenue 241901Swollman * or profits or other special, indirect and consequential damages, even if 251901Swollman * Sun has been advised of the possibility of such damages. 268870Srgrimes * 271901Swollman * Sun Microsystems, Inc. 281901Swollman * 2550 Garcia Avenue 291901Swollman * Mountain View, California 94043 301901Swollman */ 311901Swollman 3274462Salfred#include <sys/cdefs.h> 331901Swollman#if defined(LIBC_SCCS) && !defined(lint) 3492990Sobrienstatic char *sccsid = "@(#)pmap_rmt.c 1.21 87/08/27 Copyr 1984 Sun Micro"; 3592990Sobrienstatic char *sccsid = "@(#)pmap_rmt.c 2.2 88/08/01 4.0 RPCSRC"; 361901Swollman#endif 3792990Sobrien#include <sys/cdefs.h> 3892990Sobrien__FBSDID("$FreeBSD: head/lib/libc/rpc/pmap_rmt.c 92990 2002-03-22 23:18:37Z obrien $"); 391901Swollman 401901Swollman/* 411901Swollman * pmap_rmt.c 421901Swollman * Client interface to pmap rpc service. 431901Swollman * remote call and broadcast service 441901Swollman * 451901Swollman * Copyright (C) 1984, Sun Microsystems, Inc. 461901Swollman */ 471901Swollman 4871579Sdeischen#include "namespace.h" 4974462Salfred#include <sys/types.h> 5074462Salfred#include <sys/ioctl.h> 5174462Salfred#include <sys/poll.h> 5274462Salfred#include <sys/socket.h> 5374462Salfred 5474462Salfred#include <net/if.h> 5574462Salfred#include <netinet/in.h> 5674462Salfred#include <arpa/inet.h> 5774462Salfred 5874462Salfred#include <assert.h> 5974462Salfred#include <err.h> 6074462Salfred#include <errno.h> 6174462Salfred#include <stdio.h> 6274462Salfred#include <string.h> 6374462Salfred#include <unistd.h> 6474462Salfred 651901Swollman#include <rpc/rpc.h> 661901Swollman#include <rpc/pmap_prot.h> 671901Swollman#include <rpc/pmap_clnt.h> 681901Swollman#include <rpc/pmap_rmt.h> 6971579Sdeischen#include "un-namespace.h" 7071579Sdeischen 7174462Salfredstatic const struct timeval timeout = { 3, 0 }; 721901Swollman 731901Swollman/* 741901Swollman * pmapper remote-call-service interface. 751901Swollman * This routine is used to call the pmapper remote call service 761901Swollman * which will look up a service program in the port maps, and then 771901Swollman * remotely call that routine with the given parameters. This allows 781901Swollman * programs to do a lookup and call in one step. 791901Swollman*/ 801901Swollmanenum clnt_stat 8174462Salfredpmap_rmtcall(addr, prog, vers, proc, xdrargs, argsp, xdrres, resp, tout, 8274462Salfred port_ptr) 831901Swollman struct sockaddr_in *addr; 841901Swollman u_long prog, vers, proc; 851901Swollman xdrproc_t xdrargs, xdrres; 861901Swollman caddr_t argsp, resp; 871901Swollman struct timeval tout; 881901Swollman u_long *port_ptr; 891901Swollman{ 9074462Salfred int sock = -1; 9174462Salfred CLIENT *client; 921901Swollman struct rmtcallargs a; 931901Swollman struct rmtcallres r; 941901Swollman enum clnt_stat stat; 951901Swollman 9674462Salfred assert(addr != NULL); 9774462Salfred assert(port_ptr != NULL); 9874462Salfred 991901Swollman addr->sin_port = htons(PMAPPORT); 10074462Salfred client = clntudp_create(addr, PMAPPROG, PMAPVERS, timeout, &sock); 10174462Salfred if (client != NULL) { 1021901Swollman a.prog = prog; 1031901Swollman a.vers = vers; 1041901Swollman a.proc = proc; 1051901Swollman a.args_ptr = argsp; 1061901Swollman a.xdr_args = xdrargs; 1071901Swollman r.port_ptr = port_ptr; 1081901Swollman r.results_ptr = resp; 1091901Swollman r.xdr_results = xdrres; 11074462Salfred stat = CLNT_CALL(client, (rpcproc_t)PMAPPROC_CALLIT, 11174462Salfred (xdrproc_t)xdr_rmtcall_args, &a, (xdrproc_t)xdr_rmtcallres, 11274462Salfred &r, tout); 1131901Swollman CLNT_DESTROY(client); 1141901Swollman } else { 1151901Swollman stat = RPC_FAILED; 1161901Swollman } 1171901Swollman addr->sin_port = 0; 1181901Swollman return (stat); 1191901Swollman} 1201901Swollman 1211901Swollman 1221901Swollman/* 1231901Swollman * XDR remote call arguments 1241901Swollman * written for XDR_ENCODE direction only 1251901Swollman */ 1261901Swollmanbool_t 1271901Swollmanxdr_rmtcall_args(xdrs, cap) 12874462Salfred XDR *xdrs; 12974462Salfred struct rmtcallargs *cap; 1301901Swollman{ 1311901Swollman u_int lenposition, argposition, position; 1321901Swollman 13374462Salfred assert(xdrs != NULL); 13474462Salfred assert(cap != NULL); 13574462Salfred 1361901Swollman if (xdr_u_long(xdrs, &(cap->prog)) && 1371901Swollman xdr_u_long(xdrs, &(cap->vers)) && 1381901Swollman xdr_u_long(xdrs, &(cap->proc))) { 1391901Swollman lenposition = XDR_GETPOS(xdrs); 1401901Swollman if (! xdr_u_long(xdrs, &(cap->arglen))) 1411901Swollman return (FALSE); 1421901Swollman argposition = XDR_GETPOS(xdrs); 1431901Swollman if (! (*(cap->xdr_args))(xdrs, cap->args_ptr)) 1441901Swollman return (FALSE); 1451901Swollman position = XDR_GETPOS(xdrs); 1461901Swollman cap->arglen = (u_long)position - (u_long)argposition; 1471901Swollman XDR_SETPOS(xdrs, lenposition); 1481901Swollman if (! xdr_u_long(xdrs, &(cap->arglen))) 1491901Swollman return (FALSE); 1501901Swollman XDR_SETPOS(xdrs, position); 1511901Swollman return (TRUE); 1521901Swollman } 1531901Swollman return (FALSE); 1541901Swollman} 1551901Swollman 1561901Swollman/* 1571901Swollman * XDR remote call results 1581901Swollman * written for XDR_DECODE direction only 1591901Swollman */ 1601901Swollmanbool_t 1611901Swollmanxdr_rmtcallres(xdrs, crp) 16274462Salfred XDR *xdrs; 16374462Salfred struct rmtcallres *crp; 1641901Swollman{ 1651901Swollman caddr_t port_ptr; 1661901Swollman 16774462Salfred assert(xdrs != NULL); 16874462Salfred assert(crp != NULL); 16974462Salfred 17074462Salfred port_ptr = (caddr_t)(void *)crp->port_ptr; 1711901Swollman if (xdr_reference(xdrs, &port_ptr, sizeof (u_long), 17274462Salfred (xdrproc_t)xdr_u_long) && xdr_u_long(xdrs, &crp->resultslen)) { 17374462Salfred crp->port_ptr = (u_long *)(void *)port_ptr; 1741901Swollman return ((*(crp->xdr_results))(xdrs, crp->results_ptr)); 1751901Swollman } 1761901Swollman return (FALSE); 1771901Swollman} 178