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/*
* Copyright (C) 2013 Marin Hannache <ipxe@mareo.fr>.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
#include <stdint.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include <errno.h>
#include <byteswap.h>
#include <ipxe/socket.h>
#include <ipxe/tcpip.h>
#include <ipxe/in.h>
#include <ipxe/iobuf.h>
#include <ipxe/xfer.h>
#include <ipxe/open.h>
#include <ipxe/uri.h>
#include <ipxe/features.h>
#include <ipxe/timer.h>
#include <ipxe/oncrpc.h>
#include <ipxe/oncrpc_iob.h>
#include <ipxe/portmap.h>
/** @file
*
* PORTMAPPER protocol.
*
*/
/** PORTMAP GETPORT procedure. */
#define PORTMAP_GETPORT 3
/**
* Send a GETPORT request
*
* @v intf Interface to send the request on
* @v session ONC RPC session
* @v prog ONC RPC program number
* @v vers ONC RPC rogram version number
* @v proto Protocol (TCP or UDP)
* @ret rc Return status code
*/
int portmap_getport ( struct interface *intf, struct oncrpc_session *session,
uint32_t prog, uint32_t vers, uint32_t proto ) {
struct oncrpc_field fields[] = {
ONCRPC_FIELD ( int32, prog ),
ONCRPC_FIELD ( int32, vers ),
ONCRPC_FIELD ( int32, proto ),
ONCRPC_FIELD ( int32, 0 ), /* The port field is only meaningful
in GETPORT reply */
ONCRPC_FIELD_END,
};
return oncrpc_call ( intf, session, PORTMAP_GETPORT, fields );
}
/**
* Parse a GETPORT reply
*
* @v getport_reply A structure where the data will be saved
* @v reply The ONC RPC reply to get data from
* @ret rc Return status code
*/
int portmap_get_getport_reply ( struct portmap_getport_reply *getport_reply,
struct oncrpc_reply *reply ) {
if ( ! getport_reply || ! reply )
return -EINVAL;
getport_reply->port = oncrpc_iob_get_int ( reply->data );
if ( getport_reply == 0 || getport_reply->port >= 65536 )
return -EINVAL;
return 0;
}
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