/*

 * 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 4474255

 * @test 1.1 01/06/27

 * @bug 4484246

 * @summary When an application enables anonymous SSL cipher suite,

 *        Hostname verification is not required

 * @run main/othervm ComHostnameVerifier

 *

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

 *     system properties in samevm/agentvm mode.

 */

import java.io.*;

import java.net.*;

import javax.net.ssl.*;

import javax.security.cert.*;

import com.sun.net.ssl.HostnameVerifier;

import com.sun.net.ssl.HttpsURLConnection;

/**

 * Use com.net.net.ssl.HostnameVerifier

 */

public class ComHostnameVerifier {

    /*

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

     * 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;

    /*

     * 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....

     */

    /**

     * Returns the path to the file obtained from

     * parsing the HTML header.

     */

    private static String getPath(DataInputStream in)

        throws IOException

    {

        String line = in.readLine();

        if (line == null)

                return null;

        String path = "";

        // extract class from GET line

        if (line.startsWith("GET /")) {

            line = line.substring(5, line.length()-1).trim();

            int index = line.indexOf(' ');

            if (index != -1) {

                path = line.substring(0, index);

            }

        }

        // eat the rest of header

        do {

            line = in.readLine();

        } while ((line.length() != 0) &&

                 (line.charAt(0) != '\r') && (line.charAt(0) != '\n'));

        if (path.length() != 0) {

            return path;

        } else {

            throw new IOException("Malformed Header");

        }

    }

    /**

     * Returns an array of bytes containing the bytes for

     * the file represented by the argument <b>path</b>.

     *

     * In our case, we just pretend to send something back.

     *

     * @return the bytes for the file

     * @exception FileNotFoundException if the file corresponding

     * to <b>path</b> could not be loaded.

     */

    private byte[] getBytes(String path)

        throws IOException

    {

        return "Hello world, I am here".getBytes();

    }

    /*

     * 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 =

          (SSLServerSocketFactory) SSLServerSocketFactory.getDefault();

        SSLServerSocket sslServerSocket =

            (SSLServerSocket) sslssf.createServerSocket(serverPort);

        serverPort = sslServerSocket.getLocalPort();

        String ciphers[]= { "SSL_DH_anon_WITH_3DES_EDE_CBC_SHA" };

        sslServerSocket.setEnabledCipherSuites(ciphers);

        /*

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

         */

        serverReady = true;

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

        DataOutputStream out =

                new DataOutputStream(sslSocket.getOutputStream());

        try {

             // get path to class file from header

             DataInputStream in =

                        new DataInputStream(sslSocket.getInputStream());

             String path = getPath(in);

             // retrieve bytecodes

             byte[] bytecodes = getBytes(path);

             // send bytecodes in response (assumes HTTP/1.0 or later)

             try {

                out.writeBytes("HTTP/1.0 200 OK\r\n");

                out.writeBytes("Content-Length: " + bytecodes.length + "\r\n");

                out.writeBytes("Content-Type: text/html\r\n\r\n");

                out.write(bytecodes);

                out.flush();

             } catch (IOException ie) {

                ie.printStackTrace();

                return;

             }

        } catch (Exception e) {

             e.printStackTrace();

             // write out error response

             out.writeBytes("HTTP/1.0 400 " + e.getMessage() + "\r\n");

             out.writeBytes("Content-Type: text/html\r\n\r\n");

             out.flush();

        } finally {

             // close the socket

             System.out.println("Server closing socket");

             sslSocket.close();

             serverReady = false;

        }

    }

    /*

     * 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);

        }

        System.setProperty("https.cipherSuites",

                "SSL_DH_anon_WITH_3DES_EDE_CBC_SHA");

        // use the default hostname verifier

        URL url = new URL("https://" + "localhost:" + serverPort +

                                "/etc/hosts");

        URLConnection urlc = url.openConnection();

        if (!(urlc instanceof com.sun.net.ssl.HttpsURLConnection)) {

            throw new Exception(

                "URLConnection ! instanceof " +

                "com.sun.net.ssl.HttpsURLConnection");

        }

        BufferedReader in = null;

        try {

            in = new BufferedReader(new InputStreamReader(

                               urlc.getInputStream()));

            String inputLine;

            System.out.print("Client reading... ");

            while ((inputLine = in.readLine()) != null)

                System.out.println(inputLine);

            System.out.println("Cipher Suite: " +

                ((HttpsURLConnection)urlc).getCipherSuite());

            in.close();

        } catch (SSLException e) {

            if (in != null)

                in.close();

            throw e;

        }

        System.out.println("Client reports:  SUCCESS");

    }

    /*

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

     * 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 ComHostnameVerifier();

    }

    Thread clientThread = null;

    Thread serverThread = null;

    /*

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

     *

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

     */

    ComHostnameVerifier() 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();

        }

    }

}