1/*
2 * Copyright (c) 2008, 2017, 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
24import java.io.IOException;
25import java.net.Socket;
26import java.util.concurrent.CountDownLatch;
27
28/**
29 * A task that attempts to attack the current host.
30 */
31
32public 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}
64