import java.awt.*;import java.awt.event.*;import javax.swing.*;import java.util.*;/***Front end graphical user interface to JMap**Copyright (C) 2002 Tom Salmon tom@slashtom.org**This program is free software; you can redistribute it and/ormodify it under the terms of the GNU General Public Licenseas published by the Free Software Foundation; version 2.This program is distributed in the hope that it will be useful,but WITHOUT ANY WARRANTY; without even the implied warranty ofMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See theGNU General Public License for more details.You should have received a copy of the GNU General Public Licensealong with this program; if not, write to the Free SoftwareFoundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.**@author Tom Salmon tom@slashtom.org*@version 0.3.1*/public class JMapFE extends JFrame {	protected Scan scan;	protected Scanning sh;	protected final String version = "version 0.3.1";	protected final int FRAME_WIDTH = 455;	protected final int FRAME_HEIGHT = 530;	protected JFrame frame;	protected JPanel mainPanel = new JPanel(new BorderLayout());		protected JTextArea resultsText = new JTextArea();	protected JScrollPane resultsScroll = new JScrollPane(resultsText);		protected JPanel buttonsPanel = new JPanel(new GridLayout(1,5));			protected JButton scanButton = new JButton("Scan");			protected JButton quitButton = new JButton("Quit");	protected JPanel titlePanel = new JPanel(new GridLayout(8,3));		protected JLabel titleLabel = new JLabel(										  "JMap");		protected JLabel hostnameLabel = new JLabel("Hostname:  ");		protected JTextField hostnameInput = new JTextField();		protected JCheckBox subnetOption = new JCheckBox("Subnet Scan");		protected JLabel subnetLabel = new JLabel("Subnet:  ");		protected JTextField subnetInput = new JTextField("255.255.255.0");		protected JCheckBox scanSubnetForOption = new JCheckBox("Scan Subnet for");		protected JComboBox scanSubnetForCombo = new JComboBox();		protected JCheckBox scanTCPOption = new JCheckBox("TCP", true);		protected JCheckBox scanUDPOption = new JCheckBox("UDP", false);		protected JCheckBox portsSelected = new JCheckBox(												   "Port Range", false);		protected JTextField lowestPortInput = new JTextField("1");		protected JLabel portRangeLabel = new JLabel("to");		protected JTextField highestPortInput = new JTextField("1024");	//used in (process bar) dialog box to stop it all	protected JButton stopProcessButton;	protected JMenuBar menu = new JMenuBar();	protected JMenu scanMenu = new JMenu("Scan");		protected JMenuItem scanMenuItem = new JMenuItem("Scan");		protected JMenuItem exitMenuItem = new JMenuItem("Exit");	protected JMenu helpMenu = new JMenu("Help");		protected JMenuItem usageMenuItem = new JMenuItem("Usage");		protected JMenuItem aboutMenuItem = new JMenuItem("About");		protected JMenuItem versionMenuItem = new JMenuItem("Version");		protected JMenuItem bugsMenuItem = new JMenuItem("Bugs");	public JMapFE(){		super("JMap - GNU Java Port Scanner");		this.getContentPane().add(mainPanel);		this.setBounds(0,0,this.FRAME_WIDTH,this.FRAME_HEIGHT);		mainPanel.add(titlePanel, BorderLayout.NORTH);		mainPanel.add(resultsScroll, BorderLayout.CENTER);			resultsText.setLineWrap(true);			resultsText.setWrapStyleWord(true);		mainPanel.add(buttonsPanel, BorderLayout.SOUTH);		//set frame to this so to referrence in child and inner classes		frame = this; 		titlePanel.add(new JLabel());		titlePanel.add(titleLabel);			titleLabel.setHorizontalAlignment(JLabel.CENTER);		titlePanel.add(new JLabel());		titlePanel.add(new JLabel());		titlePanel.add(hostnameLabel);			hostnameLabel.setHorizontalAlignment(JLabel.RIGHT);		titlePanel.add(hostnameInput);			hostnameInput.setToolTipText("Hostname or IP address of " 										 + "system to scan");		titlePanel.add(subnetOption);			subnetOption.setToolTipText("Enable subnet scanning");		titlePanel.add(subnetLabel);			subnetLabel.setHorizontalAlignment(JLabel.RIGHT);		titlePanel.add(subnetInput);			subnetInput.setToolTipText("Enter subnet to scan");		titlePanel.add(new JLabel());		titlePanel.add(scanSubnetForOption);		titlePanel.add(scanSubnetForCombo);		titlePanel.add(new JLabel());		titlePanel.add(new JLabel());		titlePanel.add(new JLabel());		titlePanel.add(scanTCPOption);		titlePanel.add(scanUDPOption);		/*		titlePanel.add(new JLabel());		titlePanel.add(new JLabel());		*/		titlePanel.add(new JLabel());		titlePanel.add(portsSelected);		titlePanel.add(new JLabel());		titlePanel.add(new JLabel());		titlePanel.add(lowestPortInput);			lowestPortInput.setToolTipText("Network Port " 										   + "to start scanning from");		titlePanel.add(portRangeLabel);		titlePanel.add(highestPortInput);			highestPortInput.setToolTipText("Network Port to scan upto");		buttonsPanel.add(new JLabel());		buttonsPanel.add(scanButton);			scanButton.setToolTipText("Start Scanning");		buttonsPanel.add(new JLabel());		buttonsPanel.add(quitButton);			quitButton.setToolTipText("Close JMap");		buttonsPanel.add(new JLabel());		subnetInput.setEditable(false);		scanSubnetForOption.setEnabled(false);		scanSubnetForCombo.setEnabled(false);		portsSelected.setSelected(false);		lowestPortInput.setEditable(false);		highestPortInput.setEditable(false);		resultsText.setEditable(false);		resultsText.setText(this.getUsage());		//create stop button for later usage in (process bar) dialog box		stopProcessButton = new JButton("Stop");		this.setupCombo(); //set the choice options		this.displayMenu();		this.addListeners();		this.setVisible(true);	}	/**	*Returns a String containing basic usage of the client	*/	protected String getUsage(){		return "GNU Java Network Port Scanner - JMap\n\n\n" +					"Hostname:\tIP address or valid name lookup\n" +					"Subnet:\tRange of addresses/hosts to scan\n" +					"TCP/UDP:\tProtocol to scan for, both may be " +					"selected\n" +					"Port Range:\t Enter port range to scan, " +					"otherwise defaults will be used\n" +					"\nWhen scanning subnet, can select to scan for "+					"a specified service\n" +					"\n\n" +					"Provided without warranty, and distributed under "+					"the terms of the GNU General Public License\n\n" +					"Written by Tom Salmon\n" +					"tom@slashtom.org";	}	protected void displayMenu(){		menu.add(scanMenu);		menu.add(helpMenu);		scanMenu.setMnemonic('s');		helpMenu.setMnemonic('h');		scanMenu.add(scanMenuItem);		scanMenu.addSeparator();		scanMenu.add(exitMenuItem);		scanMenuItem.setMnemonic('s');		exitMenuItem.setMnemonic('x');		helpMenu.add(usageMenuItem);		helpMenu.addSeparator();		helpMenu.add(versionMenuItem);		helpMenu.add(aboutMenuItem);		helpMenu.add(bugsMenuItem);		usageMenuItem.setMnemonic('u');		versionMenuItem.setMnemonic('v');		aboutMenuItem.setMnemonic('t');		bugsMenuItem.setMnemonic('u');		this.setJMenuBar(menu);	}	protected void setupCombo(){		//get list of ports, and services		String [] portList = Scan.getPortList();		for (int i=0; i<portList.length; i++){			scanSubnetForCombo.addItem(portList[i]);		}	}	protected void addListeners(){		this.addWindowListener(new JMapFEWindowAdapter());		scanButton.addActionListener(new JMapFEActionListener());		quitButton.addActionListener(new JMapFEActionListener());		portsSelected.addActionListener(new JMapFEActionListener());		subnetOption.addActionListener(new JMapFEActionListener());		scanSubnetForOption.addActionListener(new JMapFEActionListener());		stopProcessButton.addActionListener(new JMapFEActionListener());		hostnameInput.addKeyListener(new JMapFEKeyAdapter());		subnetInput.addKeyListener(new JMapFEKeyAdapter());		lowestPortInput.addKeyListener(new JMapFEKeyAdapter());		highestPortInput.addKeyListener(new JMapFEKeyAdapter());		scanMenuItem.addActionListener(new JMapFEMenuListener());		exitMenuItem.addActionListener(new JMapFEMenuListener());		usageMenuItem.addActionListener(new JMapFEMenuListener());		aboutMenuItem.addActionListener(new JMapFEMenuListener());		versionMenuItem.addActionListener(new JMapFEMenuListener());		bugsMenuItem.addActionListener(new JMapFEMenuListener());	}	/**	*Enables of disables input options	*@param boolean true to enable	*/	protected void enableInputs(boolean enable){		if (portsSelected.isSelected()){			lowestPortInput.setEditable(enable);			highestPortInput.setEditable(enable);		}		if (subnetOption.isSelected()){			subnetInput.setEditable(enable);			scanSubnetForOption.setEnabled(enable);			if (scanSubnetForOption.isSelected()){				scanSubnetForCombo.setEnabled(enable);				portsSelected.setSelected(false); //deselect the ports selected			}		}		portsSelected.setEnabled(enable);		scanTCPOption.setEnabled(enable);		scanUDPOption.setEnabled(enable);		hostnameInput.setEditable(enable);		scanMenuItem.setEnabled(enable);		if (enable){			scanButton.setText("Scan");			stopProcessButton.setText("Stop");