hushapplet.java

一个木马程序源码

/*
 *   File:  HushApplet.java
 *
 *   Version 1.02 v1a
 *   Copyright 1998, 1999 by Hush Communications Corporation, BWI
 */

/*
 *  Applet parameters:
 *
 *  username = < the users HushMail account >
 *  sessionID = < a 64 bit hex number represented as a string >
 *  sessionKey = < a 128 bit hex number represented as a string >
 *  R0 = < red value for applet color >
 *  G0 = < green value for applet color >
 *  B0 = < blue value for applet color >
 *  R1 = < red value for applet color >
 *  G1 = < green value for applet color >
 *  B1 = < blue value for applet color >
 *  clicksPerAdRotation = 
 *     <number of button click between each ad rotation>
 *  keyStrokesPerAdRotation = 
 *     <number of key strokes between each ad rotation>
 *  exitpage = < the url to the script that handles exits >
 *  (optional) smallApplet = < if "yes" applet dimesions are assumed to be 600X350 >
 */

/*  Unless otherwise indicated applet dimensions are assumed to be 720X370 
 */


package hushcode;

import java.applet.*;
import java.awt.*;
import java.net.*;
import java.util.*;
import java.io.*;
import hushcode.Connection;
import hushcode.BlinkingText;


public class HushApplet extends Applet 
{ 

  public void init()
  {
    /* Get applet color and size
     */ 
    color = new Color(Integer.parseInt(getParameter("R1")),
      Integer.parseInt(getParameter("G1")),
      Integer.parseInt(getParameter("B1")));
    bgcolor = new Color(Integer.parseInt(getParameter("R0")),
      Integer.parseInt(getParameter("G0")),
      Integer.parseInt(getParameter("B0")));

    exitpage = getParameter("exitpage");
  
     if (getParameter("small").equals("yes")) smallApplet=true;
   
    /*  Set the lines per page and maximum string length for 
     *  folder, message, address lists based on applet size
     */
   
    if (smallApplet)
    {
      linesPerPage = 9; 
      maxMessageInfoLength = 165;
      maxFolderInfoLength = 200;
      maxAddressInfoLength = 110;
    }
    else
    {
      linesPerPage = 10;
      maxMessageInfoLength = 165;
      maxFolderInfoLength = 325;
      maxAddressInfoLength = 170;
    }

    /* Set rotation rate for ads
     */
    if (getParameter("keyStrokesPerAdRotation")!=null) 
    {
      keyStrokesPerAdRotation = 
       Integer.parseInt(getParameter("keyStrokesPerAdRotation"));
      if (getParameter("clicksPerAdRotation")!=null)
        clicksPerAdRotation = 
          Integer.parseInt(getParameter("clicksPerAdRotation"));
    } 

    /* Format the applet and set it up with a LayoutManager
     */
    setBackground(bgcolor);
    setForeground(Color.white);
    setFont(new Font("Helvetica",Font.PLAIN,12));
    currentScreen = "login";
    appletLayout=new GridBagLayout();
    appletConstraints=new GridBagConstraints();
    setLayout(appletLayout);

    /* Set up the passphrase fields
     */
    passphraseLabel=new Label("Enter passphrase:");
    passphraseLabel.setFont(new Font("Helvetica",Font.PLAIN,12));
    add(this,appletConstraints,passphraseLabel,0,0,1,1,0,0,1,1,NO,NE,20,0,0,0);
    passphraseField=new TextField(50);
    passphraseField.setBackground(Color.white);
    passphraseField.setForeground(Color.black);
    passphraseField.setEchoCharacter('*');
    add(this,appletConstraints,passphraseField,1,0,1,1,0,0,0,1,NO,N,20,0,0,10);
    formatButton3(passphraseButton = new Button("Go"));
    add(this,appletConstraints,passphraseButton,2,0,1,1,0,0,1,1,NO,NW,20,0,0,0);

    /*  Instantiate the class for communication with server.
     *  See "Connection.java" for methods called on this object.
     */
    c = new Connection(getParameter("username"),getParameter("sessionID"),getParameter("sessionKey"),this);


    /* After login, the applet has four main panels
     *  1) Menu
     *  2) Commands
     *  3) Main
     *  4) StatusBar
     */
 
    setUpCommands();
    setUpMain();

    /* set up Status Bar 
     */
    statusBar = new Panel();
    statusBar.setLayout(new GridBagLayout());
    statusBar.setBackground(color);
    statusBar.setForeground(Color.black);
    statusBar.paintAll(statusBar.getGraphics());
  }

  public void init2()
  {
   /**
    * This method is called after the passphrase has been entered.  It submits
    * the passphrase and username for approval.
    * It completes the setup of the various applet screens and retireves a list
    * of folders, addresses, and the messages in the inbox.  It displays
    * a list of the messages in the inbox.
    */

    /* Add the panels to the applet
     *  The "menu" panel is conceptual only, as it uses the applet itself as a background
     */
   
    statusBar("Session started");
    add(this,appletConstraints,commands,1,0,1,1,0,10,0,0,B,NW,0,120,0,0);
    add(this,appletConstraints,main,1,1,1,1,0,0,1,1,B,NW,0,120,0,0);
    add(this,appletConstraints,statusBar,1,2,1,1,0,statusBar.bounds().height,0,0,B,NW,0,120,0,0);   
    c.setPassphrase(passphraseField.getText());
    passphraseField.setText("");

    try 
    { 
      if (c.use())
      {
        listMessages("inbox",0,true);
        listFolders(0,true);
        listAddresses(0,true);
        if (c.numberOfMessages()>0) add(commands,commandsConstraints,selectAllButton,0,0,1,1,0,0,0,0,NO,W,3,6,3,0);
        c.done();
        remove(passphraseLabel);
        remove(passphraseField);
        remove(passphraseButton);
        /* Show the inbox first
         */
        currentScreen = "listMessages";
        mainLayout.show(main,currentScreen);
        paintAll(getGraphics());
      } 
    } 
    catch (IOException e) 
    {
      c.quit();
      String docBase = getDocumentBase().toString();
      try 
      {
        URL u = new URL(exitpage+"?action=Error&username="+c.username());
        getAppletContext().showDocument(u);
        c.wipeMessage();
        c.killPassCipher();
        removeAll();
        paintAll(getGraphics());
      }
      catch (MalformedURLException mue) {System.out.println("Malformed URL");}
      stop();
    }
  }

  public void paint(Graphics g)
  {
    /**
     *  Method to override Applet.paint();
     */
   
    statusBar.removeAll();
    Label fillerLabel = new Label("Applet redrawn");   
    fillerLabel.setForeground(color);
    statusBar.add(fillerLabel);
    statusBar.paintAll(statusBar.getGraphics());

    paintComponents(g);

    /*  At the start, give focus to the passphrase field
     */
    if (currentScreen.equals("login")) 
    {
      passphraseField.requestFocus();
    }
    /*  Draw the menu buttons on the applet left side
     */
    else
    { 
      try
      {

/***********************************************************************************
 *  The "menu" panel
 *  This panel is on the far left side of the applet
 *  It consists of five buttons which perform major actions
 *  This panel is never altered after it is set up.  
 *  It isn't actually a seperate panel, but for conceptual purposes
 *  I consider it to be.
 ***********************************************************************************/

       URL u = new URL(getDocumentBase().getProtocol(),getDocumentBase().getHost(),"/images/");
       g.drawImage(getImage(new URL(u,"button0.gif")),43,20,this);
       g.drawImage(getImage(new URL(u,"check.gif")),13,50,this);
       g.drawImage(getImage(new URL(u,"button0.gif")),43,85,this);
       g.drawImage(getImage(new URL(u,"folders.gif")),24,115,this);
       g.drawImage(getImage(new URL(u,"button0.gif")),43,150,this);
       g.drawImage(getImage(new URL(u,"compose.gif")),23,180,this);
       g.drawImage(getImage(new URL(u,"button0.gif")),43,215,this);
       g.drawImage(getImage(new URL(u,"addresses.gif")),17,245,this);
       g.drawImage(getImage(new URL(u,"button0.gif")),43,280,this);
       g.drawImage(getImage(new URL(u,"quit.gif")),38,310,this);
      }  catch (MalformedURLException e) {System.out.println("MalformedURL");}
    }
  }
 
  public void update(Graphics g)
  {
    /**
     *  Method to override Applet.update();
     */

    paint(g);
  } 

 

/***********************************************************************************
 *  Event Handling
 ***********************************************************************************/


 public boolean mouseMove(Event e, int x, int y)
  {   
    if (currentScreen.equals("login")) return true;
    else if (y>=20 && y<=45 && x>=43 && x<=67)
    {
      getAppletContext().showStatus("Check mail");
    }
    else if (y>=85 && y<=110 && x>=43 && x<=67)
    {
      getAppletContext().showStatus("Folders");
    }
    else if (y>=150 && y<=175 && x>=43 && x<=67)
    {
      getAppletContext().showStatus("Compose");
    }
    else if (y>=215 && y<=240 && x>=43 && x<=67)
    {
      getAppletContext().showStatus("Addresses");
    } 
    else if (y>=280 && y<=305 && x>=43 && x<=67) 
    { 
      getAppletContext().showStatus("Quit");
    }
    else getAppletContext().showStatus("");
    return true;
  }  
   
  private boolean bc(int x, int y, Component c)
  {
    int t = c.bounds().y;
    int b = t + c.bounds().height;
    int l = c.bounds().x;
    int r = l + c.bounds().width;
    if (x>l&&x<r&&y>t&&y<b) return true;
    else return false;
  } 


  private boolean lockMenu = false;

  public boolean mouseUp(Event e, int x, int y)
  {
    /**
     *  Overrides Applet.mouseUp
     *  Handle clicks over the graphics on the main menu
     */

    /* Update rotateCount for ad changes
     */
    rotateCount=rotateCount+(keyStrokesPerAdRotation/clicksPerAdRotation); 

    if (currentScreen.equals("login")) return true;

    /*  Clear status bar
     */
    statusBar.removeAll();

    /* On click of the "Check Mail" button
     */
    if (y>=20 && y<=45 && x>=43 && x<=67 && !lockMenu)
    {
      lockButtons(true);
      if (currentScreen.equals("read")) c.wipeMessage();
      clearCommands();
      add(commands,commandsConstraints,
        new Label("Retrieving folder info "+
        "                                                                                 "),0,0);
      commands.paintAll(commands.getGraphics());
      try 
      { 
        c.use();
        // The messages in the inbox are listed
        listMessages("inbox",0,true);
        // The folder list is updated to reflect changes in the number of 
        // messages in the inbox
        listFolders(currentFolderPage,true);
        c.done(); 
      }  
      catch (IOException e0) {error();}
      currentScreen = "listMessages";
      mainLayout.show(main,currentScreen);
      clearCommands();
      if (c.numberOfMessages()>0)
      {
        add(commands,commandsConstraints,selectAllButton,0,0);
        showSelectFunctionButtons(messagesSelected()>0,1);  
        commands.paintAll(commands.getGraphics());
      }
      lockButtons(false);
    }

    /* On click of the "Folders" button
     */
    else if (y>=85 && y<=110 && x>=43 && x<=67 && !currentScreen.equals("listFolders") && !lockMenu) 
    {
      if (currentScreen.equals("read")) c.wipeMessage();
      clearCommands();
      add(commands,commandsConstraints,newFolderButton,0,0);
      add(commands,commandsConstraints,selectAllButton,1,0);
      currentScreen = "listFolders";
      showSelectFunctionButtons(foldersSelected()>0,2);                  
      mainLayout.show(main,currentScreen);
      commands.paintAll(commands.getGraphics());
    }

    /* On click of the "Compose" button
     */
    else if (y>=150 && y<=175 && x>=43 && x<=67 && !currentScreen.equals("compose") && !lockMenu)
    { 
      if (currentScreen.equals("read")) c.wipeMessage();
      clearCommands();