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 * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code 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

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

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 */

//

// This test case relies on updated static security property, no way to re-use

// security property in samevm/agentvm mode.

//

/*

 * @test

 * @bug 8180643

 * @summary Illegal handshake message

 * @run main/othervm IllegalHandshakeMessage

 */

import javax.net.ssl.*;

import javax.net.ssl.SSLEngineResult.*;

import java.io.*;

import java.security.*;

import java.nio.*;

public class IllegalHandshakeMessage {

    public static void main(String args[]) throws Exception {

        SSLContext context = SSLContext.getDefault();

        SSLEngine cliEngine = context.createSSLEngine();

        cliEngine.setUseClientMode(true);

        SSLEngine srvEngine = context.createSSLEngine();

        srvEngine.setUseClientMode(false);

        SSLSession session = cliEngine.getSession();

        int netBufferMax = session.getPacketBufferSize();

        int appBufferMax = session.getApplicationBufferSize();

        ByteBuffer cliToSrv = ByteBuffer.allocateDirect(netBufferMax);

        ByteBuffer srvToCli = ByteBuffer.allocateDirect(netBufferMax);

        ByteBuffer srvIBuff = ByteBuffer.allocateDirect(appBufferMax + 50);

        ByteBuffer cliOBuff = ByteBuffer.wrap("I'm client".getBytes());

        ByteBuffer srvOBuff = ByteBuffer.wrap("I'm server".getBytes());

        System.out.println("client hello (handshake type(0xAB))");

        SSLEngineResult cliRes = cliEngine.wrap(cliOBuff, cliToSrv);

        System.out.println("Client wrap result: " + cliRes);

        cliToSrv.flip();

        if (cliToSrv.limit() > 7) {

            cliToSrv.put(5, (byte)0xAB);    // use illegal handshake type

            cliToSrv.put(7, (byte)0x80);    // use illegal message length

        } else {

            // unlikely

            throw new Exception("No handshage message generated.");

        }

        try {

            SSLEngineResult srvRes = srvEngine.unwrap(cliToSrv, srvIBuff);

            System.out.println("Server unwrap result: " + srvRes);

            runDelegatedTasks(srvRes, srvEngine);

            srvRes = srvEngine.wrap(srvOBuff, srvToCli);

            System.out.println("Server wrap result: " + srvRes);

            throw new Exception(

                "Unsupported handshake message is not handled properly.");

        } catch (SSLException e) {

            // get the expected exception

            System.out.println("Expected exception: " + e);

        }

    }

    private static void runDelegatedTasks(SSLEngineResult result,

            SSLEngine engine) throws Exception {

        if (result.getHandshakeStatus() == HandshakeStatus.NEED_TASK) {

            Runnable runnable;

            while ((runnable = engine.getDelegatedTask()) != null) {

                System.out.println("\trunning delegated task...");

                runnable.run();

            }

            HandshakeStatus hsStatus = engine.getHandshakeStatus();

            if (hsStatus == HandshakeStatus.NEED_TASK) {

                throw new Exception(

                    "handshake shouldn't need additional tasks");

            }

            System.out.println("\tnew HandshakeStatus: " + hsStatus);

        }

    }

}