sslsocket.java

这是linux下ssl vpn的实现程序

/*
 *  SSL-Explorer
 *
 *  Copyright (C) 2003-2006 3SP LTD. All Rights Reserved
 *
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU General Public License
 *  as published by the Free Software Foundation; either version 2 of
 *  the License, or (at your option) any later version.
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public
 *  License along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
			
package com.maverick.ssl;

/* DEBUG */ import org.apache.commons.logging.*;
import java.io.ByteArrayOutputStream;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.EOFException;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.Socket;
import java.net.UnknownHostException;
import java.net.*;
import com.maverick.ssl.https.HttpsURLStreamHandlerFactory;

public class SSLSocket
    extends Socket {

  SSLTransport transport = new SSLTransport();
/* DEBUG */ Log log = LogFactory.getLog(SSLSocket.class);

  public SSLSocket(String host, int port) throws IOException,
      UnknownHostException,
      SSLException {
    this(host, port, false);
  }

  public SSLSocket(String host,
                   int port,
                   boolean delayHandshake) throws IOException,
      UnknownHostException,
      SSLException {
    super(host, port);
    if(!delayHandshake)
        startHandshake(null);
  }

  public InputStream getInputStream() throws IOException {
    return transport.getInputStream();
  }

  public OutputStream getOutputStream() throws IOException {
    return transport.getOutputStream();
  }

  protected void startHandshake(SSLContext context) throws IOException, SSLException {
      transport.initialize(super.getInputStream(), super.getOutputStream(), context);
  }

  protected InputStream getRawInputStream() throws IOException {
      return super.getInputStream();
  }

  protected OutputStream getRawOutputStream() throws IOException {
      return super.getOutputStream();
  }


  public static void main(String[] args) {

    try {



      HttpsURLStreamHandlerFactory.addHTTPSSupport();


      URL url = new URL("https://3sp.com");

      URLConnection con = url.openConnection();
      con.setDoInput(true);
      con.setDoOutput(false);
      con.setAllowUserInteraction(false);

      con.setRequestProperty("Accept", "image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, application/x-shockwave-flash, */*");
      con.setRequestProperty("Accept-Encoding","gzip, deflate");
      con.setRequestProperty("Accept-Language","en-gb");
      con.setRequestProperty("Connection","Keep-Alive");
      con.setRequestProperty("User-Agent","Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322)");

      con.connect();

      InputStream in = con.getInputStream();
      int read;

      while ( (read = in.read()) > -1) {
        System.out.write(read);
      }

    }
    catch (SSLIOException ex) {
      ex.getRealException().printStackTrace();
    }
    catch (IOException ex) {
      ex.printStackTrace();
    }

  }
}