scando.java

java端口实现扫描功能

package javascan;

/**
 * Title: 扫描实体程序todoscan的
 * Description:
 * Copyright:    Copyright (c) 2001
 * Company:
 * @author
 * @version 1.0
 */
import java.util.*;
import java.io.*;
import java.net.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.tree.*;


public class scando  extends Thread {
  java.util.Vector vscan;
  public int runstop=0;
  public JProgressBar scanbar;
  public JButton bstart,bstop;
  public int usefile=0;
//  public javax.swing.JLabel showlabel;
  String sinfo;
//  Socket s;
//  DefaultMutableTreeNode newnode;
//  TreeNode[] nodes;
  String fromhost;
  String endhost;
  DefaultTreeModel model;
  JTree tree;
  int intfromport,inttoport;
  public scando(DefaultTreeModel inmodel,JTree intree,int fport,int tport,String fhost,String thost) {
  model=inmodel;
  tree=intree;
  intfromport=fport;
  inttoport=tport;
  fromhost=fhost;
  endhost=thost;

  }
  public void run()
  {
  vscan=new java.util.Vector();
  todoscan todo;
  if (bstart!=null) bstart.setEnabled(false);
  if (bstop!=null) bstop.setEnabled(true);

  String fromiptop=fromhost.substring(0,fromhost.lastIndexOf(".")+1);  //IP头
  int n,fip,tip;
  fip=java.lang.Integer.parseInt(fromhost.substring(fromhost.lastIndexOf(".")+1));
  tip=java.lang.Integer.parseInt(endhost);
  for(n=fip;n<tip+1;n++)
  {

      todo=new todoscan(model,tree,intfromport,inttoport,fromiptop+n);
      if (usefile==1) todo.usefile=1;
      todo.start();
      vscan.add(todo);
      System.out.println("ip list="+fromiptop+n);
  if (runstop==1) {endis();return;}
  }
  int sbar=1;
  while(1==1)
  {
  try{  sleep(1000);}
  catch (java.lang.InterruptedException run_err1){;}
  if (scanbar!=null)
     {
      if (scanbar.getValue()>scanbar.getMaximum()) {sbar=1;}
      scanbar.setValue(sbar);
      sbar=sbar+1;
     }
  if (runstop==1) {endis();return;}
    for(n=0;n<vscan.size();n++)
     {

     todo=(todoscan)vscan.get(n);
   //  System.out.println("todo"+n+"="+todo.runstop);
     if (todo.runstop==0)break;  //没用全部终止
     if (todo.runstop==1 && n==vscan.size()-1){endis();return;}; //如果全部终止
     }

  }
//  fromip=fromip.substring(fromip.lastIndexOf(".")+1);

  }
  void endis()
  {
  todoscan todo;
  int n;
  System.out.println("vscan="+vscan.size());
  for(n=0;n<vscan.size();n++)
   {
    todo=(todoscan)vscan.get(n);
    todo.runstop=1;
    }
  if (bstart!=null) bstart.setEnabled(true);
  if (bstop!=null) bstop.setEnabled(false);

  }
}