60 lines
1.5 KiB
C
60 lines
1.5 KiB
C
#if !defined(lint) && defined(SCCSIDS)
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static char sccsid[] = "@(#)pmap_getport.c 1.1 94/10/31 Copyr 1984 Sun Micro";
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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 <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 <sys/socket.h>
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#include <sys/time.h>
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#include <net/if.h>
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static struct timeval timeout = { 5, 0 };
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static 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 socket = -1;
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register CLIENT *client;
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struct pmap parms;
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address->sin_port = htons(PMAPPORT);
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client = clntudp_bufcreate(address, PMAPPROG,
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PMAPVERS, timeout, &socket, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE);
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if (client != (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, PMAPPROC_GETPORT, xdr_pmap, &parms,
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xdr_u_short, &port, tottimeout) != 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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(void)close(socket);
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address->sin_port = 0;
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return (port);
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}
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