/*

 * Copyright (c) 2001, 2011, 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.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

/*

 * @test

 * @bug 4514971

 * @summary Verify applications do not read handshake data after failure

 * @run main/othervm ReadHandshake

 */

import java.io.*;

import java.net.*;

import javax.net.ssl.*;

public class ReadHandshake {

    /*

     * =============================================================

     * Set the various variables needed for the tests, then

     * specify what tests to run on each side.

     */

    /*

     * Should we run the client or server in a separate thread?

     * Both sides can throw exceptions, but do you have a preference

     * as to which side should be the main thread.

     */

    static boolean separateServerThread = true;

    // Note: we use anonymous ciphersuites only, no keys/ trusted certs needed

    private final static String[] CLIENT_SUITES = new String[] {

        "SSL_DH_anon_WITH_3DES_EDE_CBC_SHA",

    };

    private final static String[] SERVER_SUITES = new String[] {

        "SSL_DH_anon_WITH_RC4_128_MD5",

    };

    /*

     * Is the server ready to serve?

     */

    volatile static boolean serverReady = false;

    /*

     * Turn on SSL debugging?

     */

    static boolean debug = false;

    /*

     * If the client or server is doing some kind of object creation

     * that the other side depends on, and that thread prematurely

     * exits, you may experience a hang.  The test harness will

     * terminate all hung threads after its timeout has expired,

     * currently 3 minutes by default, but you might try to be

     * smart about it....

     */

    /*

     * Define the server side of the test.

     *

     * If the server prematurely exits, serverReady will be set to true

     * to avoid infinite hangs.

     */

    void doServerSide() throws Exception {

        SSLSocket sslSocket = null;

        SSLServerSocket sslServerSocket = null;

        try {

            SSLServerSocketFactory sslssf =

                (SSLServerSocketFactory) SSLServerSocketFactory.getDefault();

            sslServerSocket =

                (SSLServerSocket) sslssf.createServerSocket(serverPort);

            serverPort = sslServerSocket.getLocalPort();

            sslServerSocket.setEnabledCipherSuites(SERVER_SUITES);

            /*

             * Signal Client, we're ready for his connect.

             */

            serverReady = true;

            System.out.println("Server waiting for connection");

            sslSocket = (SSLSocket) sslServerSocket.accept();

            InputStream sslIS = sslSocket.getInputStream();

            OutputStream sslOS = sslSocket.getOutputStream();

            System.out.println("Server starting handshake...");

            try {

                sslIS.read();

                throw new Exception("No handshake exception on server side");

            } catch (IOException e) {

                System.out.println("Handshake failed on server side, OK");

            }

            for (int i = 0; i < 3; i++) {

                try {

                    int ch;

                    if ((ch = sslIS.read()) != -1) {

                        throw new Exception("Read succeeded server side: "

                            + ch);

                    }

                } catch (IOException e) {

                    System.out.println("Exception for read() on server, OK");

                }

            }

        } finally {

            closeSocket(sslSocket);

            closeSocket(sslServerSocket);

        }

    }

    private static void closeSocket(Socket s) {

        try {

            if (s != null) {

                s.close();

            }

        } catch (Exception e) {

            // ignore

        }

    }

    private static void closeSocket(ServerSocket s) {

        try {

            if (s != null) {

                s.close();

            }

        } catch (Exception e) {

            // ignore

        }

    }

    /*

     * Define the client side of the test.

     *

     * If the server prematurely exits, serverReady will be set to true

     * to avoid infinite hangs.

     */

    void doClientSide() throws Exception {

        /*

         * Wait for server to get started.

         */

        while (!serverReady) {

            Thread.sleep(80);

        }

        SSLSocket sslSocket = null;

        try {

            SSLSocketFactory sslsf =

                (SSLSocketFactory) SSLSocketFactory.getDefault();

            sslSocket = (SSLSocket)

                sslsf.createSocket("localhost", serverPort);

            sslSocket.setEnabledCipherSuites(CLIENT_SUITES);

            InputStream sslIS = sslSocket.getInputStream();

            OutputStream sslOS = sslSocket.getOutputStream();

            System.out.println("Client starting handshake...");

            try {

                sslIS.read();

                throw new Exception("No handshake exception on client side");

            } catch (IOException e) {

                System.out.println("Handshake failed on client side, OK");

            }

            for (int i = 0; i < 3; i++) {

                try {

                    int ch;

                    if ((ch = sslIS.read()) != -1) {

                        throw new Exception("Read succeeded on client side: "

                            + ch);

                    }

                } catch (IOException e) {

                    System.out.println("Exception for read() on client, OK");

                }

            }

        } finally {

            sslSocket.close();

        }

    }

    /*

     * =============================================================

     * The remainder is just support stuff

     */

    volatile int serverPort = 0;

    volatile Exception serverException = null;

    volatile Exception clientException = null;

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

        if (debug)

            System.setProperty("javax.net.debug", "all");

        /*

         * Start the tests.

         */

        new ReadHandshake();

    }

    Thread clientThread = null;

    Thread serverThread = null;

    /*

     * Primary constructor, used to drive remainder of the test.

     *

     * Fork off the other side, then do your work.

     */

    ReadHandshake() throws Exception {

        startServer(true);

        startClient(true);

        serverThread.join();

        clientThread.join();

        /*

         * When we get here, the test is pretty much over.

         *

         * If the main thread excepted, that propagates back

         * immediately.  If the other thread threw an exception, we

         * should report back.

         */

        if (serverException != null) {

            if (clientException != null) {

                System.out.println("Client exception:");

                clientException.printStackTrace(System.out);

            }

            throw serverException;

        }

        if (clientException != null) {

            throw clientException;

        }

    }

    void startServer(boolean newThread) throws Exception {

        if (newThread) {

            serverThread = new Thread() {

                public void run() {

                    try {

                        doServerSide();

                    } catch (Exception e) {

                        /*

                         * Our server thread just died.

                         *

                         * Release the client, if not active already...

                         */

                        System.err.println("Server died...");

                        serverReady = true;

                        serverException = e;

                    }

                }

            };

            serverThread.start();

        } else {

            doServerSide();

        }

    }

    void startClient(boolean newThread) throws Exception {

        if (newThread) {

            clientThread = new Thread() {

                public void run() {

                    try {

                        doClientSide();

                    } catch (Exception e) {

                        /*

                         * Our client thread just died.

                         */

                        System.err.println("Client died...");

                        clientException = e;

                    }

                }

            };

            clientThread.start();

        } else {

            doClientSide();

        }

    }

}