From: es at hush.com (es@...h.com)
Subject: [ElectronicSouls] - More JAVA

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Dear List,

Sometimes it is important to develop your own daemons, when you can
no longer trust the OpenSource products for security.

# cat  ESDBS.java
/*

  Coded by CraigTM [ElectronicSouls]

*/

import java.io.*;
import java.net.*;
import java.util.*;

class ESDBS
{
 static final String VERSION="ElectronicSouls DataBase Server v1 alpha";

 static ServerSocket ss=null;
 static Socket incoming=null;
 static DataInputStream ssin=null;
 static PrintStream ssout=null;

 static String split[] = new String[10];
 static StringTokenizer token;
 static int num_tokens;
 static String line="";

 static boolean auth=false;
 static String PASSWORD="thx";

 //file output
 static FileOutputStream FOS;
 static PrintStream PS;


 void StartServer(int Port)
  {
   try
    {

     ss = new ServerSocket(Port);
     incoming = ss.accept();

     ssin = new DataInputStream(incoming.getInputStream());
     ssout = new PrintStream(incoming.getOutputStream());

    }
   catch(IOException e){}
  }//StartServer()






  void StopServer()
   {
    try
     {

      incoming.close();
      ss.close();
      ssout.close();
      ssin.close();

      ss=null;
      ssout=null;
      ssin=null;
      incoming=null;

     }
    catch(IOException e){}
   }





 void show(String db, String pattern)
  {
   BufferedReader quelle=null;

   try
    {
     try
      {
       quelle=new BufferedReader(new FileReader(db+".db"));
       while((line=quelle.readLine())!=null)
        {
         if(line.indexOf(pattern)>-1)
          ssout.println(line);

         if(pattern.equals("*"))
          ssout.println(line);
        }
       quelle.close();
      }
     catch (FileNotFoundException FNF)
      {ssout.println("Database "+db+" does not exist");}

    }
   catch (IOException e){};
  }//show







 void split()
  {
   //reset Elements
   for(int i=0;split[i]!=null;i++)
    split[i]=null;

   //split the line
   token = new StringTokenizer(line, " ");
   num_tokens = token.countTokens();

   //save elements in the array
   for(int i=0;i<num_tokens;i++)
    split[i] = token.nextToken();
  }

 //append data to the database file
 void add(String db, String data)
  {
   try
    {
     FOS = new FileOutputStream(db+".db",true);
     PS = new PrintStream(FOS);

     PS.println(data);

     PS.close();
     FOS.close();
    }
   catch(IOException e){}
  }


 //delete everything that's in a DataBase file
 void del(String db)
  {
   try
    {
     FOS = new FileOutputStream(db+".db");
     PS = new PrintStream(FOS);

     PS.close();
     FOS.close();
    }
   catch(IOException e){}
  }


 //check the user input for commands, and do what he wants us to
 void perform()
  {
   String data="";

   try
    {
     //read in a line from the user

     line=ssin.readLine();

     //split the user input -> fill split[] array
     split();

     //if the user authentificated to the server, do this
     if(auth)
      {
       //[COMMAND] [database] [version] [IP]
       // split[0]  split[1]  split[2] split[3]

       if(split[0].equals("?") || split [0].equals("help"))
        showmenu();

       //del just needs 1 parameter: database
       if(split[0].equals("del") && split[1]!=null)
        del(split[1]);

       //show needs 2 parameters; database,pattern
       if(split[1]!=null && split[2]!=null)
        {
         if(split[0].equals("show"))
          show(split[1],split[2]);
        }

       if(split[1]!=null && split[2]!=null && split[3]!=null)
        {
         if(split[0].equals("add"))
          {
           for(int i=2;split[i]!=null;i++)
            data=data+split[i]+" ";
           data=data.trim();
           add(split[1],data);
          }
        }

      }//authentificated

     //otherwise do this
     else
      {
       //check if a user wants to authentificate
       if(split[0].equals("auth") && split[1]!=null)
        {
         if(split[1].equals(PASSWORD))
          {
           auth=true;
           ssout.println("Verified. Welcome to the "+VERSION+", member.");
          }
         else
          {
           ssout.println("Wrong password. Go away, or ...wh33 wi11 h4x0r j00!");
          }
        }
      }//unauthentificated


     ssout.print(">");

    }
   catch(IOException e){}
  }//perform()


 void showmenu()
  {
   ssout.println(VERSION);
   ssout.println("auth [password]");
   ssout.println("add [database] [version] [IP]");
   ssout.println("show [database] [pattern]");
   ssout.println("del [database]");
   ssout.println("exit");
  }



 public static void main(String args[])
        {
   ESDBS e=new ESDBS();
   System.out.println("\n\n  ::::::          ESBDS          ::::::  ");
   System.out.println(VERSION);
   System.out.println("   Coded by CraigTM [ElectronicSouls]");

         while(true)
                {

                 e.StartServer(1337);
     ssout.print(">");
     while(ss != null && incoming != null)
      {
       e.perform();
       if(split[0].equals("exit"))break;
      }
     e.StopServer();
     auth=false;
                }

        }//main

}//class

#

The Electronic Souls Crew
[ElectronicSouls] (c) 2002

"Do you fear me?  Do not fear me."

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