105 lines
3.1 KiB
C
105 lines
3.1 KiB
C
/* $NetBSD: pmap_getport.c,v 1.16 2000/07/06 03:10:34 christos Exp $ */
|
|
|
|
/*
|
|
* 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 defined(LIBC_SCCS) && !defined(lint)
|
|
static char *sccsid = "from: @(#)pmap_getport.c 1.9 87/08/11 Copyr 1984 Sun Micro";
|
|
static char *sccsid = "from: @(#)pmap_getport.c 2.2 88/08/01 4.0 RPCSRC";
|
|
#endif
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
/*
|
|
* pmap_getport.c
|
|
* Client interface to pmap rpc service.
|
|
*
|
|
* Copyright (C) 1984, Sun Microsystems, Inc.
|
|
*/
|
|
|
|
#include "namespace.h"
|
|
#include <sys/types.h>
|
|
#include <sys/socket.h>
|
|
|
|
#include <arpa/inet.h>
|
|
#include <net/if.h>
|
|
|
|
#include <assert.h>
|
|
#include <unistd.h>
|
|
|
|
#include <rpc/rpc.h>
|
|
#include <rpc/pmap_prot.h>
|
|
#include <rpc/pmap_clnt.h>
|
|
#include "un-namespace.h"
|
|
|
|
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(address, program, version, protocol)
|
|
struct sockaddr_in *address;
|
|
u_long program;
|
|
u_long version;
|
|
u_int protocol;
|
|
{
|
|
u_short port = 0;
|
|
int sock = -1;
|
|
CLIENT *client;
|
|
struct pmap parms;
|
|
|
|
assert(address != NULL);
|
|
|
|
address->sin_port = htons(PMAPPORT);
|
|
client = clntudp_bufcreate(address, PMAPPROG,
|
|
PMAPVERS, timeout, &sock, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE);
|
|
if (client != NULL) {
|
|
parms.pm_prog = program;
|
|
parms.pm_vers = version;
|
|
parms.pm_prot = protocol;
|
|
parms.pm_port = 0; /* not needed or used */
|
|
if (CLNT_CALL(client, (rpcproc_t)PMAPPROC_GETPORT,
|
|
(xdrproc_t)xdr_pmap,
|
|
&parms, (xdrproc_t)xdr_u_short, &port, tottimeout) !=
|
|
RPC_SUCCESS){
|
|
rpc_createerr.cf_stat = RPC_PMAPFAILURE;
|
|
clnt_geterr(client, &rpc_createerr.cf_error);
|
|
} else if (port == 0) {
|
|
rpc_createerr.cf_stat = RPC_PROGNOTREGISTERED;
|
|
}
|
|
CLNT_DESTROY(client);
|
|
}
|
|
address->sin_port = 0;
|
|
return (port);
|
|
}
|