178 lines
4.7 KiB
C
178 lines
4.7 KiB
C
/* $NetBSD: pmap_rmt.c,v 1.29 2000/07/06 03:10:34 christos Exp $ */
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/*
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* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
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* unrestricted use provided that this legend is included on all tape
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* media and as a part of the software program in whole or part. Users
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* may copy or modify Sun RPC without charge, but are not authorized
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* to license or distribute it to anyone else except as part of a product or
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* program developed by the user.
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*
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* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
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* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
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*
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* Sun RPC is provided with no support and without any obligation on the
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* part of Sun Microsystems, Inc. to assist in its use, correction,
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* modification or enhancement.
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*
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* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
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* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
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* OR ANY PART THEREOF.
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*
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* In no event will Sun Microsystems, Inc. be liable for any lost revenue
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* or profits or other special, indirect and consequential damages, even if
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* Sun has been advised of the possibility of such damages.
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*
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* Sun Microsystems, Inc.
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* 2550 Garcia Avenue
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* Mountain View, California 94043
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*/
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#include <sys/cdefs.h>
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#if defined(LIBC_SCCS) && !defined(lint)
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static char *sccsid = "@(#)pmap_rmt.c 1.21 87/08/27 Copyr 1984 Sun Micro";
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static char *sccsid = "@(#)pmap_rmt.c 2.2 88/08/01 4.0 RPCSRC";
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#endif
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/*
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* pmap_rmt.c
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* Client interface to pmap rpc service.
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* remote call and broadcast service
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*
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* Copyright (C) 1984, Sun Microsystems, Inc.
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*/
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#include "namespace.h"
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#include <sys/types.h>
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#include <sys/ioctl.h>
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#include <sys/poll.h>
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#include <sys/socket.h>
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#include <net/if.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <assert.h>
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#include <err.h>
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#include <errno.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <rpc/rpc.h>
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#include <rpc/pmap_prot.h>
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#include <rpc/pmap_clnt.h>
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#include <rpc/pmap_rmt.h>
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#include "un-namespace.h"
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static const struct timeval timeout = { 3, 0 };
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/*
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* pmapper remote-call-service interface.
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* This routine is used to call the pmapper remote call service
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* which will look up a service program in the port maps, and then
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* remotely call that routine with the given parameters. This allows
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* programs to do a lookup and call in one step.
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*/
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enum clnt_stat
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pmap_rmtcall(addr, prog, vers, proc, xdrargs, argsp, xdrres, resp, tout,
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port_ptr)
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struct sockaddr_in *addr;
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u_long prog, vers, proc;
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xdrproc_t xdrargs, xdrres;
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caddr_t argsp, resp;
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struct timeval tout;
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u_long *port_ptr;
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{
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int sock = -1;
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CLIENT *client;
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struct rmtcallargs a;
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struct rmtcallres r;
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enum clnt_stat stat;
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assert(addr != NULL);
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assert(port_ptr != NULL);
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addr->sin_port = htons(PMAPPORT);
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client = clntudp_create(addr, PMAPPROG, PMAPVERS, timeout, &sock);
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if (client != NULL) {
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a.prog = prog;
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a.vers = vers;
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a.proc = proc;
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a.args_ptr = argsp;
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a.xdr_args = xdrargs;
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r.port_ptr = port_ptr;
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r.results_ptr = resp;
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r.xdr_results = xdrres;
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stat = CLNT_CALL(client, (rpcproc_t)PMAPPROC_CALLIT,
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(xdrproc_t)xdr_rmtcall_args, &a, (xdrproc_t)xdr_rmtcallres,
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&r, tout);
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CLNT_DESTROY(client);
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} else {
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stat = RPC_FAILED;
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}
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addr->sin_port = 0;
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return (stat);
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}
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/*
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* XDR remote call arguments
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* written for XDR_ENCODE direction only
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*/
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bool_t
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xdr_rmtcall_args(xdrs, cap)
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XDR *xdrs;
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struct rmtcallargs *cap;
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{
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u_int lenposition, argposition, position;
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assert(xdrs != NULL);
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assert(cap != NULL);
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if (xdr_u_long(xdrs, &(cap->prog)) &&
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xdr_u_long(xdrs, &(cap->vers)) &&
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xdr_u_long(xdrs, &(cap->proc))) {
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lenposition = XDR_GETPOS(xdrs);
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if (! xdr_u_long(xdrs, &(cap->arglen)))
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return (FALSE);
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argposition = XDR_GETPOS(xdrs);
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if (! (*(cap->xdr_args))(xdrs, cap->args_ptr))
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return (FALSE);
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position = XDR_GETPOS(xdrs);
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cap->arglen = (u_long)position - (u_long)argposition;
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XDR_SETPOS(xdrs, lenposition);
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if (! xdr_u_long(xdrs, &(cap->arglen)))
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return (FALSE);
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XDR_SETPOS(xdrs, position);
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return (TRUE);
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}
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return (FALSE);
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}
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/*
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* XDR remote call results
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* written for XDR_DECODE direction only
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*/
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bool_t
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xdr_rmtcallres(xdrs, crp)
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XDR *xdrs;
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struct rmtcallres *crp;
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{
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caddr_t port_ptr;
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assert(xdrs != NULL);
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assert(crp != NULL);
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port_ptr = (caddr_t)(void *)crp->port_ptr;
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if (xdr_reference(xdrs, &port_ptr, sizeof (u_long),
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(xdrproc_t)xdr_u_long) && xdr_u_long(xdrs, &crp->resultslen)) {
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crp->port_ptr = (u_long *)(void *)port_ptr;
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return ((*(crp->xdr_results))(xdrs, crp->results_ptr));
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}
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return (FALSE);
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}
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