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/* @(#)pmap_getport.c 2.2 88/08/01 4.0 RPCSRC */
/*
* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
* unrestricted use provided that this legend is included on all tape
* media and as a part of the software program in whole or part. Users
* may copy or modify Sun RPC without charge, but are not authorized
* to license or distribute it to anyone else except as part of a product or
* program developed by the user.
*
* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
*
* Sun RPC is provided with no support and without any obligation on the
* part of Sun Microsystems, Inc. to assist in its use, correction,
* modification or enhancement.
*
* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
* OR ANY PART THEREOF.
*
* In no event will Sun Microsystems, Inc. be liable for any lost revenue
* or profits or other special, indirect and consequential damages, even if
* Sun has been advised of the possibility of such damages.
*
* Sun Microsystems, Inc.
* 2550 Garcia Avenue
* Mountain View, California 94043
*/
#if 0
static char sccsid[] = "@(#)pmap_getport.c 1.9 87/08/11 Copyr 1984 Sun Micro";
#endif
/*
* pmap_getport.c
* Client interface to pmap rpc service.
*
* Copyright (C) 1984, Sun Microsystems, Inc.
*/
#include <rpc/rpc.h>
#include <rpc/pmap_prot.h>
#include <rpc/pmap_clnt.h>
#include <sys/socket.h>
libc_hidden_proto(clntudp_bufcreate)
libc_hidden_proto(__rpc_thread_createerr)
static const struct timeval timeout =
{5, 0};
static const struct timeval tottimeout =
{60, 0};
/*
* Find the mapped port for program,version.
* Calls the pmap service remotely to do the lookup.
* Returns 0 if no map exists.
*/
u_short
pmap_getport (struct sockaddr_in *address, u_long program, u_long version, u_int protocol)
{
u_short port = 0;
int socket = -1;
CLIENT *client;
struct pmap parms;
address->sin_port = htons (PMAPPORT);
client = clntudp_bufcreate (address, PMAPPROG,
PMAPVERS, timeout, &socket, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE);
if (client != (CLIENT *) NULL)
{
struct rpc_createerr *ce = &get_rpc_createerr ();
parms.pm_prog = program;
parms.pm_vers = version;
parms.pm_prot = protocol;
parms.pm_port = 0; /* not needed or used */
if (CLNT_CALL (client, PMAPPROC_GETPORT, (xdrproc_t)xdr_pmap,
(caddr_t)&parms, (xdrproc_t)xdr_u_short,
(caddr_t)&port, tottimeout) != RPC_SUCCESS)
{
ce->cf_stat = RPC_PMAPFAILURE;
clnt_geterr (client, &ce->cf_error);
}
else if (port == 0)
{
ce->cf_stat = RPC_PROGNOTREGISTERED;
}
CLNT_DESTROY (client);
}
/* (void)__close(socket); CLNT_DESTROY already closed it */
address->sin_port = 0;
return port;
}
libc_hidden_proto(pmap_getport)
libc_hidden_def(pmap_getport)
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