/*

 * Copyright (c) 2009, 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 6449574

 * @summary Invalid ldap filter is accepted and processed

 */

import java.io.*;

import javax.naming.*;

import javax.naming.directory.*;

import java.util.Properties;

import java.util.Hashtable;

import java.net.Socket;

import java.net.ServerSocket;

public class BalancedParentheses {

    // 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;

    // use any free port by default

    volatile int serverPort = 0;

    // Is the server ready to serve?

    volatile static boolean serverReady = false;

    // 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 {

        ServerSocket serverSock = new ServerSocket(serverPort);

        // signal client, it's ready to accecpt connection

        serverPort = serverSock.getLocalPort();

        serverReady = true;

        // accept a connection

        Socket socket = serverSock.accept();

        System.out.println("Server: Connection accepted");

        InputStream is = socket.getInputStream();

        OutputStream os = socket.getOutputStream();

        // read the bindRequest

        while (is.read() != -1) {

            // ignore

            is.skip(is.available());

            break;

        }

        byte[] bindResponse = {0x30, 0x0C, 0x02, 0x01, 0x01, 0x61, 0x07, 0x0A,

                               0x01, 0x00, 0x04, 0x00, 0x04, 0x00};

        // write bindResponse

        os.write(bindResponse);

        os.flush();

        // ignore any more request.

        while (is.read() != -1) {

            // ignore

            is.skip(is.available());

        }

        is.close();

        os.close();

        socket.close();

        serverSock.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);

        }

        // set up the environment for creating the initial context

        Hashtable<Object, Object> env = new Hashtable<Object, Object>();

        env.put(Context.INITIAL_CONTEXT_FACTORY,

                                "com.sun.jndi.ldap.LdapCtxFactory");

        env.put(Context.PROVIDER_URL, "ldap://localhost:" + serverPort);

        env.put("com.sun.jndi.ldap.read.timeout", "1000");

        // env.put(Context.SECURITY_AUTHENTICATION, "simple");

        // env.put(Context.SECURITY_PRINCIPAL,"cn=root");

        // env.put(Context.SECURITY_CREDENTIALS,"root");

        // create initial context

        DirContext context = new InitialDirContext(env);

        // searching

        SearchControls scs = new SearchControls();

        scs.setSearchScope(SearchControls.SUBTREE_SCOPE);

        try {

            NamingEnumeration answer = context.search(

                                        "o=sun,c=us", "(&(cn=Bob)))", scs);

        } catch (InvalidSearchFilterException isfe) {

            // ignore, it is the expected filter exception.

            System.out.println("Expected exception: " + isfe.getMessage());

        } catch (NamingException ne) {

            // maybe a read timeout exception, as the server does not response.

            throw new Exception("Expect a InvalidSearchFilterException", ne);

        }

        try {

            NamingEnumeration answer = context.search(

                                        "o=sun,c=us", ")(&(cn=Bob)", scs);

        } catch (InvalidSearchFilterException isfe) {

            // ignore, it is the expected filter exception.

            System.out.println("Expected exception: " + isfe.getMessage());

        } catch (NamingException ne) {

            // maybe a read timeout exception, as the server does not response.

            throw new Exception("Expect a InvalidSearchFilterException", ne);

        }

        try {

            NamingEnumeration answer = context.search(

                                        "o=sun,c=us", "(&(cn=Bob))", scs);

        } catch (InvalidSearchFilterException isfe) {

            // ignore, it is the expected filter exception.

            throw new Exception("Unexpected ISFE", isfe);

        } catch (NamingException ne) {

            // maybe a read timeout exception, as the server does not response.

            System.out.println("Expected exception: " + ne.getMessage());

        }

        context.close();

    }

    /*

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

     * The remainder is just support stuff

     */

    // client and server thread

    Thread clientThread = null;

    Thread serverThread = null;

    // client and server exceptions

    volatile Exception serverException = null;

    volatile Exception clientException = null;

    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...");

                        System.err.println(e);

                        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();

        }

    }

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

    BalancedParentheses() 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;

        }

    }

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

        // start the test

        new BalancedParentheses();

    }

}