// fmail - the Java sendmail-connector utility
// Copyright 1999 Ng Hsien-Ern, Nathanael

// Warning: this program is capable of being used to falsify e-mails,
// which is illegal in many countries.
// I am not responsible for whatever you do with it.

// fmail requires JDK1.1.x to compile. May work, but is untested, under
// JDK1.2. The JDK is available from http://java.sun.com.

// Send comments, bouquets, brickbats, &c. to nghsiene@comp.nus.edu.sg .
// Send angry flames to billgates@microsoft.com .

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

public class fmail {

public static String addy, port, username, pwd;
       static InputStream is; 
       static OutputStream os; 
       static Socket sockit;

  public static void disconnect(){
    try {
      sockit.close();
    }catch(Exception e){}
  }

  public static void main(String args[]){

  System.out.println("fmail 1.0 ready");
  System.out.println ("Enter IP address or DNS:");
  DataInputStream dis = new DataInputStream (System.in);
  try {
    addy = dis.readLine();
    try {
      InetAddress hostaddy = InetAddress.getByName(addy);
      System.out.println("Host: "+hostaddy.toString());
      try {
        sockit = new Socket (hostaddy,25);

        is = sockit.getInputStream();
        os = sockit.getOutputStream();
        char[] inchar = new char[10];
        byte[] inbyte = new byte[10];
        char bkupchar;
        int a = 257;
        boolean b1=true;
        String str1;
        StringTokenizer st1;

        str1 = "";
        while (is.available() <= 0){}
        while (is.available() > 0) {
          if (is.available() > 9) {
            is.read(inbyte);
            for (int l2=0;l2<10;l2++) {
              inchar[l2] = (char)inbyte[l2];
              str1 = str1 + String.valueOf(inchar[l2]);
              }
          
//this is where input comes in
            }
          else {
            inchar[0] = (char)is.read();
            str1 = str1 + String.valueOf(inchar[0]);
            }  
        }
        st1 = new StringTokenizer(str1, " ", false);
        while (!str1.equals("Sendmail"))         str1 = st1.nextToken();
        str1 = st1.nextToken();
        System.out.println("Sendmail version: "+str1);
        System.out.print("Specify HELO? (y/n):");
        str1 = dis.readLine(); 
        if (str1.equals("y")){
          System.out.print("HELO:");
          str1 = dis.readLine(); 
          os.write( ("HELO "+str1+"\r\n").getBytes());
          str1 = "";
          while (is.available() <= 0){}
          while (is.available() > 0) {
            if (is.available() > 9) {
              is.read(inbyte);
              for (int l2=0;l2<10;l2++) {
                inchar[l2] = (char)inbyte[l2];
                str1 = str1 + String.valueOf(inchar[l2]);
                }
          
//this is where input comes in
              }
            else {
              inchar[0] = (char)is.read();
              str1 = str1 + String.valueOf(inchar[0]);
              }  
            }
          System.out.println(str1);


        }
        System.out.print("Sender:");
        str1 = dis.readLine();
        os.write (("MAIL FROM: "+str1+"\r\n").getBytes());
          while (is.available() <= 0){}
          while (is.available() > 0) {
            if (is.available() > 9) {
              is.read(inbyte);
              for (int l2=0;l2<10;l2++) {
                inchar[l2] = (char)inbyte[l2];
                str1 = str1 + String.valueOf(inchar[l2]);
                }
          
//this is where input comes in
              }
            else {
              inchar[0] = (char)is.read();
              str1 = str1 + String.valueOf(inchar[0]);
              }  
            }
        System.out.print("Recipient:");
        str1 = dis.readLine();
        os.write (("RCPT TO: "+str1+"\r\n").getBytes());
        System.out.println("Data:");
        str1 = "";
        os.write ("DATA\r\n".getBytes());
        while (!str1.equals("."))
          {
          str1 = dis.readLine();
          os.write ((str1+"\r\n").getBytes());
          }
        os.write ("QUIT\r\n".getBytes());

        sockit.close();
        }catch (Exception e){}
      } 
    catch (java.net.UnknownHostException e){
      System.out.println ("Unknown host error!");}
    } catch (Exception e) {}
  
  }
}

//class Th1 implements Runnable {
//  private int va1;
//  InputStream is;
//  OutputStream os;
//  Th1 (InputStream is1, OutputStream os1) 
//    {super(); 
//     is = is1;
//     os = os1;
//    }
//}