端口扫描程序(java)
2004-10-10 16:05
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import java.net.*;
import java.io.*;
public class Scanner implements Runnable
{
private InetAddress IPAddress;
private int Port;
private Thread allportThread;
public Scanner(String IPAddress, int port)
{
try
{
this.IPAddress = this.IPAddress.getByName(IPAddress);
this.Port = port;
}
catch(Exception e)
{
System.out.println("The host does not exist.");
}
}
public void run()
{
try
{
Socket TestPort = new Socket(this.IPAddress, this.Port); //if this port cannot been connected, throw a exception.
System.out.println(this.Port + ": exist"); //if connected, print out.
}
catch(Exception e){}
}
public static void main(String[] args)
{
String str;
str = "TPoI Scanner 1.0 - Network Host Scanner/n";
str += "Author: T.T (TPoI:http://www.tpoi.net)/n/n";
str += "Usage: Scanner <options> <Hostname>/n/n";
str += "<options> List:/n";
str += " -allport : scan the status of all the ports of the specified host/n";
str += " -port %0 : scan the status of the specified ports(%0) of the specified host/n/n";
str += "Examples:/n";
str += " Scanner -allport www.microsoft.com/n";
str += " Scanner -port 80 21.64.34.191";
if(args.length==0)
{
System.out.println(str);
}
else
{
args[0] = args[0].toUpperCase().trim();
char switchArgs = args[0].charAt(1);
switch(switchArgs)
{
case 'A':
{
for(int i=1;i<=65535;i++)
{
Scanner mainScanner = new Scanner(args[1],i);
if(mainScanner.allportThread.activeCount()>100)
mainScanner.run();
else
{
mainScanner.allportThread = new Thread(mainScanner);
mainScanner.allportThread.start();
}
}
break;
}
case 'P':
{
Scanner mainScanner = new Scanner(args[2],java.lang.Integer.parseInt(args[1],10));
try
{
mainScanner.run();
}
catch(Exception e)
{
System.out.println("parameter error");
}
break;
}
default:
System.out.println(str);
}
}
}
}
import java.io.*;
public class Scanner implements Runnable
{
private InetAddress IPAddress;
private int Port;
private Thread allportThread;
public Scanner(String IPAddress, int port)
{
try
{
this.IPAddress = this.IPAddress.getByName(IPAddress);
this.Port = port;
}
catch(Exception e)
{
System.out.println("The host does not exist.");
}
}
public void run()
{
try
{
Socket TestPort = new Socket(this.IPAddress, this.Port); //if this port cannot been connected, throw a exception.
System.out.println(this.Port + ": exist"); //if connected, print out.
}
catch(Exception e){}
}
public static void main(String[] args)
{
String str;
str = "TPoI Scanner 1.0 - Network Host Scanner/n";
str += "Author: T.T (TPoI:http://www.tpoi.net)/n/n";
str += "Usage: Scanner <options> <Hostname>/n/n";
str += "<options> List:/n";
str += " -allport : scan the status of all the ports of the specified host/n";
str += " -port %0 : scan the status of the specified ports(%0) of the specified host/n/n";
str += "Examples:/n";
str += " Scanner -allport www.microsoft.com/n";
str += " Scanner -port 80 21.64.34.191";
if(args.length==0)
{
System.out.println(str);
}
else
{
args[0] = args[0].toUpperCase().trim();
char switchArgs = args[0].charAt(1);
switch(switchArgs)
{
case 'A':
{
for(int i=1;i<=65535;i++)
{
Scanner mainScanner = new Scanner(args[1],i);
if(mainScanner.allportThread.activeCount()>100)
mainScanner.run();
else
{
mainScanner.allportThread = new Thread(mainScanner);
mainScanner.allportThread.start();
}
}
break;
}
case 'P':
{
Scanner mainScanner = new Scanner(args[2],java.lang.Integer.parseInt(args[1],10));
try
{
mainScanner.run();
}
catch(Exception e)
{
System.out.println("parameter error");
}
break;
}
default:
System.out.println(str);
}
}
}
}
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