/*

 * 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.

 */

//

// SunJSSE does not support dynamic system properties, no way to re-use

// system properties in samevm/agentvm mode.

//

/*

 * @test

 * @bug 7200295

 * @summary CertificateRequest message is wrapping when using large

 *          numbers of Certs

 * @run main/othervm CertRequestOverflow

 */

import java.io.*;

import java.net.*;

import java.util.*;

import javax.net.ssl.*;

import java.security.cert.*;

import java.security.*;

public class CertRequestOverflow {

    /*

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

     * 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 = false;

    /*

     * Where do we find the keystores?

     */

    static String pathToStores = "../../../../javax/net/ssl/etc";

    static String keyStoreFile = "keystore";

    static String trustStoreFile = "truststore";

    static String passwd = "passphrase";

    private final static char[] cpasswd = "passphrase".toCharArray();

    /*

     * 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 {

        SSLServerSocketFactory sslssf =

                                getContext(true).getServerSocketFactory();

        SSLServerSocket sslServerSocket =

            (SSLServerSocket) sslssf.createServerSocket(serverPort);

        serverPort = sslServerSocket.getLocalPort();

        // enable endpoint identification

        // ignore, we may test the feature when known how to parse client

        // hostname

        //SSLParameters params = sslServerSocket.getSSLParameters();

        //params.setEndpointIdentificationAlgorithm("HTTPS");

        //sslServerSocket.setSSLParameters(params);

        /*

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

         */

        serverReady = true;

        SSLSocket sslSocket = (SSLSocket) sslServerSocket.accept();

        sslSocket.setNeedClientAuth(true);

        InputStream sslIS = sslSocket.getInputStream();

        OutputStream sslOS = sslSocket.getOutputStream();

        try {

            sslIS.read();

            sslOS.write(85);

            sslOS.flush();

            throw new Exception("SERVER TEST FAILED!  " +

                        "It is expected to fail with field length overflow");

        } catch (SSLException ssle) {

            Throwable cause = ssle.getCause();

            if (!(cause instanceof RuntimeException)) {

                System.out.println("We are expecting a RuntimeException!");

                throw ssle;

            }

            System.out.println("The expected exception!  " + ssle);

        } finally {

            sslSocket.close();

        }

        System.out.println("SERVER TEST PASSED!");

    }

    /*

     * 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(50);

        }

        SSLSocketFactory sslsf = getContext(false).getSocketFactory();

        SSLSocket sslSocket = (SSLSocket)

            sslsf.createSocket("localhost", serverPort);

        // enable endpoint identification

        SSLParameters params = sslSocket.getSSLParameters();

        params.setEndpointIdentificationAlgorithm("HTTPS");

        sslSocket.setSSLParameters(params);

        InputStream sslIS = sslSocket.getInputStream();

        OutputStream sslOS = sslSocket.getOutputStream();

        try {

            sslOS.write(280);

            sslOS.flush();

            sslIS.read();

        } catch (SSLException ssle) {

            System.out.println("An expected exception!");

        } finally {

            sslSocket.close();

        }

    }

    MyExtendedX509TM serverTM;

    MyExtendedX509TM clientTM;

    private SSLContext getContext(boolean server) throws Exception {

        String keyFilename =

            System.getProperty("test.src", "./") + "/" + pathToStores +

                "/" + keyStoreFile;

        String trustFilename =

            System.getProperty("test.src", "./") + "/" + pathToStores +

                "/" + trustStoreFile;

        KeyManagerFactory kmf = KeyManagerFactory.getInstance("SunX509");

        KeyStore ks = KeyStore.getInstance("JKS");

        ks.load(new FileInputStream(keyFilename), cpasswd);

        kmf.init(ks, cpasswd);

        TrustManagerFactory tmf = TrustManagerFactory.getInstance("SunX509");

        KeyStore ts = KeyStore.getInstance("JKS");

        ts.load(new FileInputStream(trustFilename), cpasswd);

        tmf.init(ts);

        TrustManager tms[] = tmf.getTrustManagers();

        if (tms == null || tms.length == 0) {

            throw new Exception("unexpected trust manager implementation");

        } else {

           if (!(tms[0] instanceof X509TrustManager)) {

            throw new Exception("unexpected trust manager implementation: "

                                + tms[0].getClass().getCanonicalName());

           }

        }

        if (server) {

            serverTM = new MyExtendedX509TM((X509TrustManager)tms[0]);

            tms = new TrustManager[] {serverTM};

        } else {

            clientTM = new MyExtendedX509TM((X509TrustManager)tms[0]);

            tms = new TrustManager[] {clientTM};

        }

        ctx.init(kmf.getKeyManagers(), tms, null);

        return ctx;

    }

    static class MyExtendedX509TM extends X509ExtendedTrustManager

            implements X509TrustManager {

        X509TrustManager tm;

        boolean clientChecked;

        boolean serverChecked;

        MyExtendedX509TM(X509TrustManager tm) {

            clientChecked = false;

            serverChecked = false;

            this.tm = tm;

        }

        public boolean wasClientChecked() {

            return clientChecked;

        }

        public boolean wasServerChecked() {

            return serverChecked;

        }

        public void checkClientTrusted(X509Certificate chain[], String authType)

                throws CertificateException {

            tm.checkClientTrusted(chain, authType);

        }

        public void checkServerTrusted(X509Certificate chain[], String authType)

                throws CertificateException {

            tm.checkServerTrusted(chain, authType);

        }

        public X509Certificate[] getAcceptedIssuers() {

            // (hack code) increase the size of the returned array to make a

            // overflow CertificateRequest.

            List<X509Certificate> issuersList = new LinkedList<>();

            X509Certificate[] issuers = tm.getAcceptedIssuers();

            for (int i = 0; i < 800; i += issuers.length) {

                for (X509Certificate issuer : issuers) {

                    issuersList.add(issuer);

                }

            }

            return issuersList.toArray(issuers);

        }

        public void checkClientTrusted(X509Certificate[] chain, String authType,

                Socket socket) throws CertificateException {

            clientChecked = true;

            tm.checkClientTrusted(chain, authType);

        }

        public void checkServerTrusted(X509Certificate[] chain, String authType,

                Socket socket) throws CertificateException {

            serverChecked = true;

            tm.checkServerTrusted(chain, authType);

        }

        public void checkClientTrusted(X509Certificate[] chain, String authType,

            SSLEngine engine) throws CertificateException {

            clientChecked = true;

            tm.checkClientTrusted(chain, authType);

        }

        public void checkServerTrusted(X509Certificate[] chain, String authType,

            SSLEngine engine) throws CertificateException {

            serverChecked = true;

            tm.checkServerTrusted(chain, authType);

        }

    }

    /*

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

     * The remainder is just support stuff

     */

    // use any free port by default

    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 CertRequestOverflow();

    }

    Thread clientThread = null;

    Thread serverThread = null;

    /*

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

     *

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

     */

    CertRequestOverflow() throws Exception {

        if (separateServerThread) {

            startServer(true);

            startClient(false);

        } else {

            startClient(true);

            startServer(false);

        }

        /*

         * Wait for other side to close down.

         */

        if (separateServerThread) {

            serverThread.join();

        } else {

            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)

            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();

        }

    }

}