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