portmap.c File Reference

PORTMAPPER protocol. More...

#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>

Go to the source code of this file.

Macros
#define	PORTMAP_GETPORT   3
	PORTMAP GETPORT procedure. More...

Functions
int	portmap_getport (struct interface *intf, struct oncrpc_session *session, uint32_t prog, uint32_t vers, uint32_t proto)
	Send a GETPORT request. More...
int	portmap_get_getport_reply (struct portmap_getport_reply *getport_reply, struct oncrpc_reply *reply)
	Parse a GETPORT reply. More...

Detailed Description

PORTMAPPER protocol.

Definition in file portmap.c.

Macro Definition Documentation

PORTMAP_GETPORT

#define PORTMAP_GETPORT   3

PORTMAP GETPORT procedure.

Definition at line 47 of file portmap.c.

Function Documentation

portmap_getport()

int portmap_getport	(	struct interface *	intf,
		struct oncrpc_session *	session,
		uint32_t	prog,
		uint32_t	vers,
		uint32_t	proto
	)

Send a GETPORT request.

Parameters

intf	Interface to send the request on
session	ONC RPC session
prog	ONC RPC program number
vers	ONC RPC rogram version number
proto	Protocol (TCP or UDP)

Return values

rc	Return status code

Definition at line 59 of file portmap.c.

                                                                     {
        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 );
}

References oncrpc_call(), ONCRPC_FIELD, ONCRPC_FIELD_END, and PORTMAP_GETPORT.

Referenced by nfs_pm_step().

portmap_get_getport_reply()

int portmap_get_getport_reply	(	struct portmap_getport_reply *	getport_reply,
		struct oncrpc_reply *	reply
	)

Parse a GETPORT reply.

Parameters

getport_reply	A structure where the data will be saved
reply	The ONC RPC reply to get data from

Return values

rc	Return status code

Definition at line 80 of file portmap.c.

                                                             {
        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;
}

References oncrpc_reply::data, EINVAL, oncrpc_iob_get_int, and portmap_getport_reply::port.

Referenced by nfs_pm_deliver().