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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);
        }
    }

}