application-udpstorm.h

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// $Id: application-udpstorm.h 92 2004-09-14 18:18:43Z dheeraj $



// UDPStorm DDOS Attack application for GTNetS
// George F. Riley, Georgia Tech, Summer 2003

#ifndef __udpstorm_h__
#define __udpstorm_h__

#include <vector>

#include "application.h"
#include "timer.h"
#include "rng.h"

typedef std::vector<IPAddr_t> IPAddrVec_t;     // List of ip addresses

//Doc:ClassXRef
class UDPStorm : public Application, public TimerHandler {
  //Doc:Class Simulation model for a {\em UDP Storm} denial of service attack.
  //Doc:Class Each object of class {\tt UDPStorm} generates {\tt UDP} packets
  //Doc:Class at a specified rate, and addrsses them to an \IPA\ sampled
  //Doc:Class from a victim list specified by the user.  The destination
  //Doc:Class port is chosen randomly from a uniform distribution between
  //Doc:Class 10000 and 50000.  The source address is spoofed from a list
  //Doc:Class of \IPA{s} specified by the user.
public:
  //Doc:Method
  UDPStorm();
    //Doc:Desc Default constructor, no arguments.

  //Doc:Method
  UDPStorm(const UDPStorm&);
    //Doc:Desc Copy constructor.
    //Doc:Arg1 {\tt UDPStorm} object to copy.

public:
  // TimerHandler 
  void Timeout(TimerEvent*);
  // Inherited from Application
  virtual void StartApp();        // Called at time specified by Start
  virtual void StopApp();         // Called at time specified by Stop
  virtual void AttachNode(Node*); // Note which node attached to
  virtual Application* Copy() const; // Make a copy of application
 public:
  //Doc:Method
  void Victim(IPAddr_t);
    //Doc:Desc Add an \IPA\ to the list of potential victims.
    //Doc:Arg1 \IPA\ to add.

  //Doc:Method
  void Spoof(IPAddr_t);
    //Doc:Desc Add an \IPA\ to the list of spoofed source addresses.
    //Doc:Arg1 \IPA\ to add.

  void UseSpoofing(bool us) { useSpoofing = us; }

  void PacketsPerSecond(Count_t pkps) { pktsPerSec= pkps; }
  void PacketLength(Size_t pkl) { pktLength = pkl; }

public:
  IPAddrVec_t victims;      // List of victims
  IPAddrVec_t spoofs;       // List of spoofed IP (choose random if empty)
  Count_t     pktsPerSec;   // Number of UDP packets per second
  Size_t      pktLength;    // Length of storm packets
  bool        useSpoofing;  // True if using spoofing
  Timer       timer;        // Pkt timer
  TimerEvent* timeoutEvent; // Pending timeout event
  Node*       node;         // Attached node
  Random*     rngV;         // Random number generator for selecting victims
  Random*     rngS;         // Random number generator for spoofs
  Random*     rngP;         // Random number generator for port
private:
  static Count_t     defaultPktPerSec;
  static Count_t     defaultPktLength;
public:
  //Doc:Method
  static void        DefaultPktPerSec(Count_t);
    //Doc:Desc Specify the default packets per second to be generated by all
    //Doc:Desc {\tt UDPStorm} objects.
    //Doc:Arg1 Count of packets per second to generate.

  //Doc:Method
  static void        DefaultPktLength(Count_t);
    //Doc:Desc Specify the default length of the {\tt UDP} packets generated
    //Doc:Desc by the {\tt UDPStorm} objects.
    //Doc:Arg1 Size of {\tt UDP} packets.
};

#endif

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