111 lines
3.2 KiB
C
111 lines
3.2 KiB
C
/* $NetBSD: pmap_getport.c,v 1.16 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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#if 0
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static char *sccsid = "@(#)pmap_getport.c 1.9 87/08/11 Copyr 1984 Sun Micro";
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static char *sccsid = "@(#)pmap_getport.c 2.2 88/08/01 4.0 RPCSRC";
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#else
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__RCSID("$NetBSD: pmap_getport.c,v 1.16 2000/07/06 03:10:34 christos Exp $");
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#endif
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#endif
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/*
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* pmap_getport.c
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* Client interface to pmap rpc 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/socket.h>
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#include <net/if.h>
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#include <assert.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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#ifdef __weak_alias
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__weak_alias(pmap_getport,_pmap_getport)
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#endif
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static const struct timeval timeout = { 5, 0 };
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static const struct timeval tottimeout = { 60, 0 };
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/*
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* Find the mapped port for program,version.
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* Calls the pmap service remotely to do the lookup.
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* Returns 0 if no map exists.
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*/
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u_short
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pmap_getport(address, program, version, protocol)
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struct sockaddr_in *address;
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u_long program;
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u_long version;
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u_int protocol;
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{
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u_short port = 0;
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int sock = -1;
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CLIENT *client;
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struct pmap parms;
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_DIAGASSERT(address != NULL);
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address->sin_port = htons(PMAPPORT);
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client = clntudp_bufcreate(address, PMAPPROG,
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PMAPVERS, timeout, &sock, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE);
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if (client != NULL) {
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parms.pm_prog = program;
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parms.pm_vers = version;
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parms.pm_prot = protocol;
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parms.pm_port = 0; /* not needed or used */
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if (CLNT_CALL(client, (rpcproc_t)PMAPPROC_GETPORT,
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(xdrproc_t)xdr_pmap,
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&parms, (xdrproc_t)xdr_u_short, &port, tottimeout) !=
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RPC_SUCCESS){
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rpc_createerr.cf_stat = RPC_PMAPFAILURE;
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clnt_geterr(client, &rpc_createerr.cf_error);
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} else if (port == 0) {
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rpc_createerr.cf_stat = RPC_PROGNOTREGISTERED;
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}
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CLNT_DESTROY(client);
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}
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address->sin_port = 0;
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return (port);
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}
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