com.theorem.radius3.radutil
Class Replay

Object
  Replay

public class Replay

extends Object

Class to replay an Access-Request packet suitable for extraction by PacketDump.

 Usage: Replay filename server [port] secret 
 

The port is optional and defaults to 1812.

The file Replay uses can take packets extracted from the debug log of the form:

<82> -------------------------- Packet About to be Sent ------------------------
<82> Address: 127.0.0.1:1574  Packet Length: 34 Type: Access-Accept(2)
 Cut below this line and place it in a text file. *********
02 52 00 22 1F D7 2B 1C - 10 66 43 16 98 99 F6 19   .R."..+. - .fC.....
72 E9 99 09 0C 06 00 00 - 04 00 12 08 48 6F 77 64   r....... - ....Howd
79 2E 00 00 00 00 00 00 - 00 00 00 00 00 00 00 00   y....... - ........
 

Please see DumpPacket for additional formats Replay will accept. Replay will not play multiple packets in a single text file.

Servers that detect duplicate packets may reject repeated replay attempts that are run frequently.

Constructor Summary

Replay(InetAddress server, int port, String secret, int timeout)
Constructor to set up the radius client for a packet replay.

Method Summary

int	getError() Retrieve the error number.
String	getErrorString() Retrieve the error string
static void	main(String[] args) Main method for standalone operation.
void	reset() Reset the client for a new replay.
int	send(byte[] packetData) Send the raw packet data.
void	setDebug(boolean enable) Enable or disable debugging output from the client.

Methods inherited from class Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Replay

public Replay(InetAddress server,
              int port,
              String secret,
              int timeout)
       throws SocketException

Constructor to set up the radius client for a packet replay.

Parameters:

server - RADIUS Server address.

port - port number for packet replay.

secret - Shared secret.

timeout - Packet time out in milliseconds.

Method Detail

main

public static void main(String[] args)

Main method for standalone operation.

Parameters:

args - List of arguments as follows:
filename - name of file containing the hex dump of a packet.
server Name or address of the server.
port If present this is the port number on the server. The default is the authentication port on the server.
secret Shared secret between client and server.

send

public int send(byte[] packetData)
         throws ClientSendException,
                ClientReceiveException

Send the raw packet data.

Parameters:

packetData - Raw RADIUS packet.

Throws:

ClientSendException

ClientReceiveException

reset

public void reset()
           throws SocketException

Reset the client for a new replay. This will cause the client to send the packet from a different port. If a real duplication is to be sent don't call this as the server may not respect this as a duplicate packet.

Throws:

SocketException

getError

public int getError()
             throws SocketException

Retrieve the error number. See the RADIUSClient for the error numbers.

Returns:

error number.

Throws:

SocketException

getErrorString

public String getErrorString()
                                throws SocketException

Retrieve the error string

Returns:

error string value.

Throws:

SocketException

setDebug

public void setDebug(boolean enable)

Enable or disable debugging output from the client.

Parameters:

enable - True to enable debugging.