149 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			Java
		
	
	
	
	
	
			
		
		
	
	
			149 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			Java
		
	
	
	
	
	
/*
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 * Copyright (c) 2007 Kungliga Tekniska Högskolan
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 * (Royal Institute of Technology, Stockholm, Sweden). 
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 * All rights reserved. 
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 *
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 * Redistribution and use in source and binary forms, with or without 
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 * modification, are permitted provided that the following conditions 
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 * are met: 
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 *
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 * 1. Redistributions of source code must retain the above copyright 
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 *    notice, this list of conditions and the following disclaimer. 
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 *
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 * 2. Redistributions in binary form must reproduce the above copyright 
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 *    notice, this list of conditions and the following disclaimer in the 
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 *    documentation and/or other materials provided with the distribution. 
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 *
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 * 3. Neither the name of the Institute nor the names of its contributors 
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 *    may be used to endorse or promote products derived from this software 
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 *    without specific prior written permission. 
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
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 * SUCH DAMAGE. 
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 */
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import org.ietf.jgss.*;
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import java.io.*;
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import java.net.Socket;
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import java.net.ServerSocket;
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public class jgssapi_server {
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    static byte [] getMessage(DataInputStream inStream)
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	throws IOException
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    {
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	byte[] token;
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	token = new byte[inStream.readInt()];
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	inStream.readFully(token);
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	return token;
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    }
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    static void putMessage(DataOutputStream outStream, byte [] token)
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	throws IOException
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    {
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	outStream.writeInt(token.length);
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	outStream.write(token);
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    }
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    public static void main(String[] args) 
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	throws IOException, GSSException {
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	GSSManager manager = GSSManager.getInstance();
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	GSSContext context = manager.createContext((GSSCredential)null);
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	byte[] token = null;
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	int port = 4717;
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	System.out.println("listen on port " + port);
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	Socket s = new ServerSocket(port).accept();
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	DataInputStream inStream = new DataInputStream(s.getInputStream());
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	DataOutputStream outStream =  new DataOutputStream(s.getOutputStream());
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	System.out.println("negotiate context");
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	while (!context.isEstablished()) {
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	    token = getMessage(inStream);
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	    token = context.acceptSecContext(token, 0, token.length);
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	    if (token != null)
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		putMessage(outStream, token);
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	}
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	System.out.println("done");
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	/*
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	 * mic
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	 */
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	System.out.println("mic test");
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	System.out.println("  verify mic");
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	byte[] intoken = getMessage(inStream);
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	byte[] outtoken = getMessage(inStream);
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	byte[] bytes = null;
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	context.verifyMIC(outtoken, 0, outtoken.length, 
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			  intoken, 0, intoken.length, new MessageProp(0, false));
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	System.out.println("  create mic");
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	bytes = new byte[] { 0x66, 0x6f, 0x6f };
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	outtoken = context.getMIC(bytes, 0, bytes.length, new MessageProp(0, false));
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	putMessage(outStream, bytes);
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	putMessage(outStream, outtoken);
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	/*
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	 * wrap int
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	 */
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	System.out.println("warp int");
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	outtoken = getMessage(inStream);
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	bytes = context.unwrap(outtoken, 0, outtoken.length, new MessageProp(0, false));
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	if (bytes == null)
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	    System.err.println("wrap int failed");
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	/*
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	 * wrap conf
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	 */
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	System.out.println("warp conf");
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	outtoken = getMessage(inStream);
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	bytes = context.unwrap(outtoken, 0, outtoken.length, new MessageProp(0, true));
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	if (bytes == null)
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	    System.err.println("wrap conf failed");
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	/*
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	 * wrap conf
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	 */
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	System.out.println("warp conf");
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	intoken = new byte[] { 0x66, 0x6f, 0x6f };
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	outtoken = context.wrap(intoken, 0, intoken.length, new MessageProp(0, true));
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	putMessage(outStream, outtoken);
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	outtoken = getMessage(inStream);
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	context.dispose();
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	System.exit(0);
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    }
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}
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