simnet
Class WormModel

java.lang.Object
  java.lang.Thread
      simnet.Application
          simnet.WormModel

All Implemented Interfaces:

BPFConsumer, Pluggable, PlugoutListener, java.lang.Runnable, SimnetWindowListener

public class WormModel

extends Application

implements BPFConsumer, Pluggable

An application which models worms in a subnet.

Nested Class Summary

private class

WormModel.Subnet A /24 subnet for modeling worm propagation.

Field Summary

(package private) AggregateRouter	ar
(package private) BPF	bpf
(package private) int	exist
(package private) static boolean	globalInit Global Lookup Tables
(package private) int	infected
static byte	INFECTED
(package private) static int	infectionSource
private static java.lang.Object	LOCK
static byte	NON_EXISTENT
static byte	NOT_VULNERABLE
(package private) int	packets
static double	PROBE_IN_A
static double	PROBE_IN_B Rate to send a probe within the class B and A.
(package private) java.util.Random	random
static double	RATE Probes to send (RATE probes per WINDOW ms per infected host; window is automaticallty adjusted as needed).
protected static int	round_counter
protected static java.lang.Object	ROUND_LOCK
boolean	showInfo
static boolean	slowDown Should global slowdown be used?
(package private) static long	startTime
(package private) WormModel.Subnet[]	subnets A Note about verbosity levels: 0 = core info (infections at time t) 1 = new infections (specific ips) [commented out] 2 = worm probes [commented out]
(package private) static int	T_ASexist
(package private) static int	T_ASinfected
(package private) static java.util.Vector	targets
(package private) java.util.Vector	targetsInA Local lookup Tables
(package private) static int	Texist
(package private) static int	Tinfected
(package private) static int	Tpackets
(package private) static int	Tvulnerable
(package private) java.util.Vector	victims
(package private) int	vulnerable
static byte	VULNERABLE

Fields inherited from class simnet.Application

appid, appstart, frame, initialized, node, NODE_ID, pid, sim, win

Fields inherited from class java.lang.Thread

MAX_PRIORITY, MIN_PRIORITY, NORM_PRIORITY

Constructor Summary

WormModel()

Method Summary

void	customInit() This is where an application can do any application-specific initializeation it requires.
void	disableSlowDown()
void	enableSlowDown()
protected double	getCost_A() Return the cost in "credits" of sending a probe to a victim in this class A (including us)
protected double	getCost_B() Return the cost in "credits" of sending a probe to a victim in this class B (us)
protected double	getCost_X() Return the cost in "credits" of sending a probe to a victim the address space of existing class B's
protected double	getCost(double p)
void	hideWormInfo()
void	inBPF(int bpf_id, IP_Packet ip_packet) Look at incoming traffic for worms.
boolean	infect(int ip) Attempt to infect the specified IP.
protected int	pickIP_A()
protected int	pickIP_B()
protected int	pickIP_X()
boolean	prePlugout(java.lang.Object replacement) WormModel can be removed by getting rid of the bpf rule, or replaced by transferring the BPF rule.
void	run() Wait for the first infection, and then keep going...
void	sendProbe(int ip, java.lang.String desc) Send a probe packet to the specified IP (with short circuting).
void	setTargetA(java.lang.Integer p)
void	setTargetB(java.lang.Integer p)
void	setTargetRate(java.lang.Integer r)
void	showWormInfo()
void	startWorm() Start a worm by randomly infecting a vulnerable host.
void	WaitForNearCompletion()
void	WormStatus() Print out the worm's status - add a check if we haven't yet started (don't print out time).

Methods inherited from class simnet.Application

closeWindow, finalize, getTitleString, initialize, plugoutNotification, printout, printout, processWindowCommand, rawOut, window

Methods inherited from class java.lang.Thread

activeCount, checkAccess, countStackFrames, currentThread, destroy, dumpStack, enumerate, getContextClassLoader, getName, getPriority, getThreadGroup, holdsLock, interrupt, interrupted, isAlive, isDaemon, isInterrupted, join, join, join, resume, setContextClassLoader, setDaemon, setName, setPriority, sleep, sleep, start, stop, stop, suspend, toString, yield

Methods inherited from class java.lang.Object

clone, equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

NON_EXISTENT

public static final byte NON_EXISTENT

See Also:

Constant Field Values

NOT_VULNERABLE

public static final byte NOT_VULNERABLE

See Also:

Constant Field Values

VULNERABLE

public static final byte VULNERABLE

See Also:

Constant Field Values

INFECTED

public static final byte INFECTED

See Also:

Constant Field Values

RATE

public static double RATE

Probes to send (RATE probes per WINDOW ms per infected host; window is automaticallty adjusted as needed).

PROBE_IN_B

public static double PROBE_IN_B

Rate to send a probe within the class B and A.

PROBE_IN_A

public static double PROBE_IN_A

slowDown

public static boolean slowDown

Should global slowdown be used?

ar

AggregateRouter ar

bpf

BPF bpf

random

java.util.Random random

globalInit

static boolean globalInit

Global Lookup Tables

targets

static java.util.Vector targets

targetsInA

java.util.Vector targetsInA

Local lookup Tables

victims

java.util.Vector victims

ROUND_LOCK

protected static java.lang.Object ROUND_LOCK

round_counter

protected static int round_counter

subnets

WormModel.Subnet[] subnets

A Note about verbosity levels: 0 = core info (infections at time t) 1 = new infections (specific ips) [commented out] 2 = worm probes [commented out]

exist

int exist

vulnerable

int vulnerable

infected

int infected

packets

int packets

showInfo

public boolean showInfo

LOCK

private static java.lang.Object LOCK

startTime

static long startTime

infectionSource

static int infectionSource

Tpackets

static int Tpackets

Texist

static int Texist

Tvulnerable

static int Tvulnerable

Tinfected

static int Tinfected

T_ASexist

static int T_ASexist

T_ASinfected

static int T_ASinfected

Constructor Detail

WormModel

public WormModel()

Method Detail

customInit

public void customInit()

Description copied from class: Application

This is where an application can do any application-specific initializeation it requires.

Overrides:

customInit in class Application

setTargetRate

public void setTargetRate(java.lang.Integer r)

setTargetB

public void setTargetB(java.lang.Integer p)

setTargetA

public void setTargetA(java.lang.Integer p)

WormStatus

public void WormStatus()

Print out the worm's status - add a check if we haven't yet started (don't print out time).

startWorm

public void startWorm()

Start a worm by randomly infecting a vulnerable host.

infect

public boolean infect(int ip)

Attempt to infect the specified IP. Return if a new infection occured.

showWormInfo

public void showWormInfo()

hideWormInfo

public void hideWormInfo()

enableSlowDown

public void enableSlowDown()

disableSlowDown

public void disableSlowDown()

getCost

protected double getCost(double p)

pickIP_B

protected int pickIP_B()

getCost_B

protected double getCost_B()

Return the cost in "credits" of sending a probe to a victim in this class B (us)

pickIP_A

protected int pickIP_A()

getCost_A

protected double getCost_A()

Return the cost in "credits" of sending a probe to a victim in this class A (including us)

pickIP_X

protected int pickIP_X()

getCost_X

protected double getCost_X()

Return the cost in "credits" of sending a probe to a victim the address space of existing class B's

run

public void run()

Wait for the first infection, and then keep going...

Specified by:

run in interface java.lang.Runnable

Overrides:

run in class Application

WaitForNearCompletion

public void WaitForNearCompletion()

sendProbe

public void sendProbe(int ip,
                      java.lang.String desc)

Send a probe packet to the specified IP (with short circuting).

inBPF

public void inBPF(int bpf_id,
                  IP_Packet ip_packet)

Look at incoming traffic for worms.

Specified by:

inBPF in interface BPFConsumer

Parameters:

bpf_id - the ID of the BPF rule that the ip_packet matched

ip_packet - incoming ip_packet from BPF

prePlugout

public boolean prePlugout(java.lang.Object replacement)

WormModel can be removed by getting rid of the bpf rule, or replaced by transferring the BPF rule.

Specified by:

prePlugout in interface Pluggable

Returns:

if this object can now be removed (was the operation sucessful)