1 /*

     2  * Copyright (c) 2008, 2009, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    23 

    24 import java.net.*;

    25 import java.io.IOException;

    26 import java.util.concurrent.CountDownLatch;

    27 

    28 /**

    29  * A task that attempts to attack the current host.

    30  */

    31 

    32 public class Attack implements Runnable {

    33     private final CountDownLatch latch = new CountDownLatch(1);

    34     private volatile boolean failedDueToSecurityException;

    35 

    36     public void Attack() {

    37         // check class is on boot class path

    38         if (Attack.class.getClassLoader() != null)

    39             throw new RuntimeException("Attack class not on boot class path");

    40     }

    41 

    42     @Override

    43     public void run() {

    44         try {

    45             new Socket("127.0.0.1", 9999).close();

    46             throw new RuntimeException("Connected (not expected)");

    47         } catch (IOException e) {

    48             throw new RuntimeException("IOException (not expected)");

    49         } catch (SecurityException e) {

    50             failedDueToSecurityException = true;

    51         } finally {

    52             latch.countDown();

    53         }

    54     }

    55 

    56     public void waitUntilDone() throws InterruptedException {

    57         latch.await();

    58     }

    59 

    60     public boolean failedDueToSecurityException() {

    61         return failedDueToSecurityException;

    62     }

    63 }