/*

 * 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.

 */

import java.io.*;

import java.net.*;

import java.util.*;

import java.security.*;

import javax.net.*;

import javax.net.ssl.*;

public class ClientAuth extends PKCS11Test {

    /*

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

     * Set the various variables needed for the tests, then

     * specify what tests to run on each side.

     */

    private static Provider provider;

    private static final String NSS_PWD = "test12";

    private static final String JKS_PWD = "passphrase";

    private static final String SERVER_KS = "server.keystore";

    private static final String TS = "truststore";

    private static String p11config;

    private static String DIR = System.getProperty("DIR");

    /*

     * 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;

    /*

     * 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 {

        SSLContext ctx = SSLContext.getInstance("TLS");

        char[] passphrase = JKS_PWD.toCharArray();

        // server gets KeyStore from JKS keystore

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

        ks.load(new FileInputStream(new File(DIR, SERVER_KS)), passphrase);

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

        kmf.init(ks, passphrase);

        // server gets TrustStore from PKCS#11 token

/*

        passphrase = NSS_PWD.toCharArray();

        KeyStore ts = KeyStore.getInstance("PKCS11", "SunPKCS11-nss");

        ts.load(null, passphrase);

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

        tmf.init(ts);

*/

        //ctx.init(kmf.getKeyManagers(), tmf.getTrustManagers(), null);

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

        ServerSocketFactory ssf = ctx.getServerSocketFactory();

        SSLServerSocket sslServerSocket = (SSLServerSocket)

                                ssf.createServerSocket(serverPort);

        sslServerSocket.setNeedClientAuth(true);

        serverPort = sslServerSocket.getLocalPort();

        System.out.println("serverPort = " + serverPort);

        /*

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

         */

        serverReady = true;

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

        InputStream sslIS = sslSocket.getInputStream();

        OutputStream sslOS = sslSocket.getOutputStream();

        sslIS.read();

        sslOS.write(85);

        sslOS.flush();

        sslSocket.close();

    }

    /*

     * 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);

        }

        SSLContext ctx = SSLContext.getInstance("TLS");

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

        // client gets KeyStore from PKCS#11 token,

        // and gets TrustStore from JKS KeyStore (using system properties)

        char[] passphrase = NSS_PWD.toCharArray();

        KeyStore ks = KeyStore.getInstance("PKCS11", "SunPKCS11-nss");

        ks.load(null, passphrase);

        kmf = KeyManagerFactory.getInstance("SunX509");

        kmf.init(ks, passphrase);

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

        SSLSocketFactory sslsf = ctx.getSocketFactory();

        SSLSocket sslSocket = (SSLSocket)

            sslsf.createSocket("localhost", serverPort);

        if (clientProtocol != null) {

            sslSocket.setEnabledProtocols(new String[] {clientProtocol});

        }

        if (clientCiperSuite != null) {

            sslSocket.setEnabledCipherSuites(new String[] {clientCiperSuite});

        }

        InputStream sslIS = sslSocket.getInputStream();

        OutputStream sslOS = sslSocket.getOutputStream();

        sslOS.write(280);

        sslOS.flush();

        sslIS.read();

        sslSocket.close();

    }

    /*

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

     * The remainder is just support stuff

     */

    // use any free port by default

    volatile int serverPort = 0;

    volatile Exception serverException = null;

    volatile Exception clientException = null;

    private static String clientProtocol = null;

    private static String clientCiperSuite = null;

    private static void parseArguments(String[] args) {

        if (args.length > 0) {

            clientProtocol = args[0];

        }

        if (args.length > 1) {

            clientCiperSuite = args[1];

        }

    }

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

        // Get the customized arguments.

        parseArguments(args);

        main(new ClientAuth());

    }

    public void main(Provider p) throws Exception {

        // SSL RSA client auth currently needs an RSA cipher

        // (cf. NONEwithRSA hack), which is currently not available in

        // open builds.

        try {

            javax.crypto.Cipher.getInstance("RSA/ECB/PKCS1Padding", p);

        } catch (GeneralSecurityException e) {

            System.out.println("Not supported by provider, skipping");

            return;

        }

        this.provider = p;

        System.setProperty("javax.net.ssl.trustStore",

                                        new File(DIR, TS).toString());

        System.setProperty("javax.net.ssl.trustStoreType", "JKS");

        System.setProperty("javax.net.ssl.trustStoreProvider", "SUN");

        System.setProperty("javax.net.ssl.trustStorePassword", JKS_PWD);

        // perform Security.addProvider of P11 provider

        if (debug) {

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

        }

        /*

         * Start the tests.

         */

        go();

    }

    Thread clientThread = null;

    Thread serverThread = null;

    /*

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

     */

    private void go() throws Exception {

        try {

            if (separateServerThread) {

                startServer(true);

                startClient(false);

            } else {

                startClient(true);

                startServer(false);

            }

        } catch (Exception e) {

            //swallow for now.  Show later

        }

        /*

         * Wait for other side to close down.

         */

        if (separateServerThread) {

            serverThread.join();

        } else {

            clientThread.join();

        }

        /*

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

         * Which side threw the error?

         */

        Exception local;

        Exception remote;

        String whichRemote;

        if (separateServerThread) {

            remote = serverException;

            local = clientException;

            whichRemote = "server";

        } else {

            remote = clientException;

            local = serverException;

            whichRemote = "client";

        }

        /*

         * If both failed, return the curthread's exception, but also

         * print the remote side Exception

         */

        if ((local != null) && (remote != null)) {

            System.out.println(whichRemote + " also threw:");

            remote.printStackTrace();

            System.out.println();

            throw local;

        }

        if (remote != null) {

            throw remote;

        }

        if (local != null) {

            throw local;

        }

    }

    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 {

            try {

                doServerSide();

            } catch (Exception e) {

                serverException = e;

            } finally {

                serverReady = true;

            }

        }

    }

    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 {

            try {

                doClientSide();

            } catch (Exception e) {

                clientException = e;

            }

        }

    }

}