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Java example source code file (CheckMyTrustedKeystore.java)

This example Java source code file (CheckMyTrustedKeystore.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

checkmytrustedkeystore, exception, mycomx509trustmanager, myjavaxx509trustmanager, net, network, security, ssl, sslserversocket, sslserversocketfactory, sslsocket, sslsocketfactory, string, sunx509, thread, tls, trustmanager, x509certificate

The CheckMyTrustedKeystore.java Java example source code

/*
 * 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 4329114
 * @summary Need better way of reflecting the reason when a chain is
 *      rejected as untrusted.
 * @run main/othervm CheckMyTrustedKeystore
 *
 *     SunJSSE does not support dynamic system properties, no way to re-use
 *     system properties in samevm/agentvm mode.
 * @ignore JSSE supports algorithm constraints with CR 6916074,
 *     need to update this test case in JDK 7 soon
 * This is a serious hack job!
 * @author Brad Wetmore
 */

import java.io.*;
import java.net.*;
import java.security.*;
import javax.net.ssl.*;
import java.security.cert.*;

public class CheckMyTrustedKeystore {

    /*
     * =============================================================
     * 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;

    /*
     * Where do we find the keystores?
     */
    final static String pathToStores = "../../../../etc";
    final static String keyStoreFile = "keystore";
    final static String trustStoreFile = "truststore";
    final static String unknownStoreFile = "unknown_keystore";
    final static String passwd = "passphrase";
    final static char[] cpasswd = "passphrase".toCharArray();

    /*
     * Is the server ready to serve?
     */
    volatile static boolean serverReady = false;

    /*
     * Turn on SSL debugging?
     */
    final 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 {
        KeyStore ks = KeyStore.getInstance("JKS");
        com.sun.net.ssl.SSLContext ctx =
            com.sun.net.ssl.SSLContext.getInstance("TLS");
        com.sun.net.ssl.KeyManagerFactory kmf =
            com.sun.net.ssl.KeyManagerFactory.getInstance("SunX509");

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

        com.sun.net.ssl.TrustManager [] tms =
            new com.sun.net.ssl.TrustManager []
            { new MyComX509TrustManager() };

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

        SSLServerSocketFactory sslssf =
            (SSLServerSocketFactory) ctx.getServerSocketFactory();

        SSLServerSocket sslServerSocket =
            (SSLServerSocket) sslssf.createServerSocket(serverPort);
        serverPort = sslServerSocket.getLocalPort();

        sslServerSocket.setNeedClientAuth(true);

        /*
         * Create using the other type.
         */
        SSLContext ctx1 =
            SSLContext.getInstance("TLS");
        KeyManagerFactory kmf1 =
            KeyManagerFactory.getInstance("SunX509");

        TrustManager [] tms1 =
            new TrustManager []
            { new MyJavaxX509TrustManager() };

        kmf1.init(ks, cpasswd);

        ctx1.init(kmf1.getKeyManagers(), tms1, null);

        sslssf = (SSLServerSocketFactory) ctx1.getServerSocketFactory();

        SSLServerSocket sslServerSocket1 =
            (SSLServerSocket) sslssf.createServerSocket(serverPort1);
        serverPort1 = sslServerSocket1.getLocalPort();
        sslServerSocket1.setNeedClientAuth(true);

        /*
         * Signal Client, we're ready for his connect.
         */
        serverReady = true;

        SSLSocket sslSocket = (SSLSocket) sslServerSocket.accept();
        sslServerSocket.close();
        serverReady = false;

        InputStream sslIS = sslSocket.getInputStream();
        OutputStream sslOS = sslSocket.getOutputStream();

        sslIS.read();
        sslOS.write(85);
        sslOS.flush();
        sslSocket.close();

        sslSocket = (SSLSocket) sslServerSocket1.accept();
        sslIS = sslSocket.getInputStream();
        sslOS = sslSocket.getOutputStream();

        sslIS.read();
        sslOS.write(85);
        sslOS.flush();
        sslSocket.close();

        System.out.println("Server exiting!");
        System.out.flush();
    }

    void doTest(SSLSocket sslSocket) throws Exception {
        InputStream sslIS = sslSocket.getInputStream();
        OutputStream sslOS = sslSocket.getOutputStream();

        System.out.println("  Writing");
        sslOS.write(280);
        sslOS.flush();
        System.out.println("  Reading");
        sslIS.read();

        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);
        }

        /*
         * See if an unknown keystore actually gets checked ok.
         */
        System.out.println("==============");
        System.out.println("Starting test0");
        KeyStore uks = KeyStore.getInstance("JKS");
        SSLContext ctx =
            SSLContext.getInstance("TLS");
        KeyManagerFactory kmf =
            KeyManagerFactory.getInstance("SunX509");

        uks.load(new FileInputStream(unknownFilename), cpasswd);
        kmf.init(uks, cpasswd);

        TrustManager [] tms = new TrustManager []
            { new MyJavaxX509TrustManager() };

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

        SSLSocketFactory sslsf =
            (SSLSocketFactory) ctx.getSocketFactory();

        System.out.println("Trying first socket " + serverPort);
        SSLSocket sslSocket = (SSLSocket)
            sslsf.createSocket("localhost", serverPort);

        doTest(sslSocket);

        /*
         * Now try the other way.
         */
        com.sun.net.ssl.SSLContext ctx1 =
            com.sun.net.ssl.SSLContext.getInstance("TLS");
        com.sun.net.ssl.KeyManagerFactory kmf1 =
            com.sun.net.ssl.KeyManagerFactory.getInstance("SunX509");
        kmf1.init(uks, cpasswd);

        com.sun.net.ssl.TrustManager [] tms1 =
            new com.sun.net.ssl.TrustManager []
            { new MyComX509TrustManager() };

        ctx1.init(kmf1.getKeyManagers(), tms1, null);

        sslsf = (SSLSocketFactory) ctx1.getSocketFactory();

        System.out.println("Trying second socket " + serverPort1);
        sslSocket = (SSLSocket) sslsf.createSocket("localhost",
            serverPort1);

        doTest(sslSocket);
        System.out.println("Completed test1");
    }

    /*
     * =============================================================
     * The remainder is just support stuff
     */

    int serverPort = 0;
    int serverPort1 = 0;

    volatile Exception serverException = null;
    volatile Exception clientException = null;

    final static String keyFilename =
        System.getProperty("test.src", "./") + "/" + pathToStores +
        "/" + keyStoreFile;
    final static String unknownFilename =
        System.getProperty("test.src", "./") + "/" + pathToStores +
        "/" + unknownStoreFile;

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

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

        /*
         * Start the tests.
         */
        new CheckMyTrustedKeystore();
    }

    Thread clientThread = null;
    Thread serverThread = null;

    /*
     * Primary constructor, used to drive remainder of the test.
     *
     * Fork off the other side, then do your work.
     */
    CheckMyTrustedKeystore() 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) {
            System.out.print("Server Exception:");
            throw serverException;
        }
        if (clientException != null) {
            System.out.print("Client Exception:");
            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();
        }
    }
}

class MyComX509TrustManager implements com.sun.net.ssl.X509TrustManager {

    public X509Certificate[] getAcceptedIssuers() {
        return (new X509Certificate[0]);
    }

    public boolean isClientTrusted(X509Certificate[] chain) {
        System.out.println("    IsClientTrusted?");
        return true;
    }

    public boolean isServerTrusted(X509Certificate[] chain) {
        System.out.println("    IsServerTrusted?");
        return true;
    }
}

class MyJavaxX509TrustManager implements X509TrustManager {

    public X509Certificate[] getAcceptedIssuers() {
        return (new X509Certificate[0]);
    }

    public void checkClientTrusted(X509Certificate[] chain, String authType)
            throws CertificateException {
        System.out.println("    CheckClientTrusted(" + authType + ")?");
    }

    public void checkServerTrusted(X509Certificate[] chain, String authType)
            throws CertificateException {
        System.out.println("    CheckServerTrusted(" + authType + ")?");
    }
}

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