Author: ron.sigal(a)jboss.com Date: 2010-12-17 21:23:26 -0500 (Fri, 17 Dec 2010) New Revision: 6178 Added: remoting2/branches/2.2/src/tests/org/jboss/test/remoting/transport/bisocket/dos/ remoting2/branches/2.2/src/tests/org/jboss/test/remoting/transport/bisocket/dos/DosTestCase.java Log: JBREM-1261: New unit test. Added: remoting2/branches/2.2/src/tests/org/jboss/test/remoting/transport/bisocket/dos/DosTestCase.java =================================================================== --- remoting2/branches/2.2/src/tests/org/jboss/test/remoting/transport/bisocket/dos/DosTestCase.java (rev 0) +++ remoting2/branches/2.2/src/tests/org/jboss/test/remoting/transport/bisocket/dos/DosTestCase.java 2010-12-18 02:23:26 UTC (rev 6178) @@ -0,0 +1,287 @@ +/* +* JBoss, Home of Professional Open Source +* Copyright 2009, JBoss Inc., and individual contributors as indicated +* by the @authors tag. See the copyright.txt in the distribution for a +* full listing of individual contributors. +* +* This is free software; you can redistribute it and/or modify it +* under the terms of the GNU Lesser General Public License as +* published by the Free Software Foundation; either version 2.1 of +* the License, or (at your option) any later version. +* +* This software 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 +* Lesser General Public License for more details. +* +* You should have received a copy of the GNU Lesser General Public +* License along with this software; if not, write to the Free +* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA +* 02110-1301 USA, or see the FSF site: http://www.fsf.org. +*/ +package org.jboss.test.remoting.transport.bisocket.dos; + +import java.io.IOException; +import java.net.InetAddress; +import java.net.Socket; +import java.util.HashMap; +import java.util.HashSet; +import java.util.Iterator; +import java.util.Map; +import java.util.Set; + +import javax.management.MBeanServer; + +import junit.framework.TestCase; + +import org.apache.log4j.ConsoleAppender; +import org.apache.log4j.Level; +import org.apache.log4j.Logger; +import org.apache.log4j.PatternLayout; +import org.jboss.remoting.Client; +import org.jboss.remoting.InvocationRequest; +import org.jboss.remoting.InvokerLocator; +import org.jboss.remoting.ServerInvocationHandler; +import org.jboss.remoting.ServerInvoker; +import org.jboss.remoting.callback.Callback; +import org.jboss.remoting.callback.HandleCallbackException; +import org.jboss.remoting.callback.InvokerCallbackHandler; +import org.jboss.remoting.transport.Connector; +import org.jboss.remoting.transport.PortUtil; +import org.jboss.remoting.transport.bisocket.Bisocket; + +/** + * @author <a href="mailto:ron.sigal@jboss.com">Ron Sigal</a> + * @version $Rev$ + * <p> + * Copyright Oct 13, 2010 + * </p> + */ +public class DosTestCase extends TestCase +{ + private static final Logger log = Logger.getLogger(DosTestCase.class); + private static final String CALLBACK_TEST = "callbackTest"; + + private static boolean firstTime = true; + + protected String host; + protected int port; + protected int secondaryPort; + protected String locatorURI; + protected InvokerLocator serverLocator; + protected Connector connector; + protected TestInvocationHandler invocationHandler; + protected Object lock = new Object(); + protected boolean dosAttackThreadRan; + protected boolean secondCallbackRan; + + + public void setUp() throws Exception + { + if (firstTime) + { + firstTime = false; + Logger.getLogger("org.jboss.remoting").setLevel(Level.INFO); + Logger.getLogger("org.jboss.test.remoting").setLevel(Level.INFO); + String pattern = "[%d{ABSOLUTE}] [%t] %5p (%F:%L) - %m%n"; + PatternLayout layout = new PatternLayout(pattern); + ConsoleAppender consoleAppender = new ConsoleAppender(layout); + Logger.getRootLogger().addAppender(consoleAppender); + } + } + + + public void tearDown() + { + } + + public void testDosAttack() throws Throwable + { + log.info("entering " + getName()); + + // Start server. + setupServer(); + + // Create client. + HashMap clientConfig = new HashMap(); + clientConfig.put(InvokerLocator.FORCE_REMOTE, "true"); + addExtraClientConfig(clientConfig); + final Client client = new Client(serverLocator, clientConfig); + client.connect(); + assertEquals("abc", client.invoke("abc")); + log.info("client is connected"); + + // Add callback handler. + TestCallbackHandler callbackHandler = new TestCallbackHandler(); + HashMap metadata = new HashMap(); + metadata.put(Bisocket.IS_CALLBACK_SERVER, "true"); + client.addListener(callbackHandler, metadata); + client.invoke(CALLBACK_TEST); + assertEquals(1, callbackHandler.counter); + log.info("callback handler is installed"); + + // Test DOS attack. + new Thread() + { + public void run() + { + try + { + Socket s = new Socket(host, secondaryPort); + log.info(this + " created socket " + s); + synchronized (lock) + { + dosAttackThreadRan = true; + } + } + catch (IOException e) + { + log.error("unable to connect to secondaryPort: " + secondaryPort, e); + } + finally + { + synchronized (lock) + { + lock.notifyAll(); + } + } + } + }.start(); + + Thread.sleep(2000); + + synchronized (lock) + { + if (!dosAttackThreadRan) + { + long start = System.currentTimeMillis(); + long end = start + 10000; + while (end - System.currentTimeMillis() > 0) + { + try + { + lock.wait(end - System.currentTimeMillis()); + } + catch (InterruptedException e){ + + } + } + } + } + + if (!dosAttackThreadRan) + { + fail("DOS attack thread did not run"); + } + + + // DOS attack has occurred. Try to add another callback handler. + new Thread() + { + public void run() + { + TestCallbackHandler callbackHandler2 = new TestCallbackHandler(); + try + { + + HashMap metadata = new HashMap(); + metadata.put(Bisocket.IS_CALLBACK_SERVER, "true"); + client.addListener(callbackHandler2, metadata); + secondCallbackRan = true; + log.info(this + " second callback handler installed after DOS attack"); + } + catch (Throwable e) + { + log.info(this + " second callback failed", e); + } + } + }.start(); + + Thread.sleep(10000); + assertTrue(secondCallbackRan); + + client.removeListener(callbackHandler); + client.disconnect(); + connector.stop(); + } + + protected String getTransport() + { + return "bisocket"; + } + + + protected void addExtraClientConfig(Map config) {} + protected void addExtraServerConfig(Map config) {} + + + protected void setupServer() throws Exception + { + host = InetAddress.getLocalHost().getHostAddress(); + port = PortUtil.findFreePort(host); + secondaryPort = PortUtil.findFreePort(host); + locatorURI = getTransport() + "://" + host + ":" + port + "/?secondaryBindPort=" + secondaryPort; + String metadata = System.getProperty("remoting.metadata"); + if (metadata != null) + { + locatorURI += "&" + metadata; + } + serverLocator = new InvokerLocator(locatorURI); + log.info("Starting remoting server with locator uri of: " + locatorURI); + HashMap config = new HashMap(); + config.put(InvokerLocator.FORCE_REMOTE, "true"); + addExtraServerConfig(config); + connector = new Connector(serverLocator, config); + connector.create(); + invocationHandler = new TestInvocationHandler(); + connector.addInvocationHandler("test", invocationHandler); + connector.start(); + } + + + protected void shutdownServer() throws Exception + { + if (connector != null) + connector.stop(); + } + + + + static class TestInvocationHandler implements ServerInvocationHandler + { + public Set listeners = new HashSet(); + + public void addListener(InvokerCallbackHandler callbackHandler) + { + listeners.add(callbackHandler); + } + public Object invoke(final InvocationRequest invocation) throws Throwable + { + if (CALLBACK_TEST.equals(invocation.getParameter())) + { + Iterator it = listeners.iterator(); + while (it.hasNext()) + { + InvokerCallbackHandler handler = (InvokerCallbackHandler) it.next(); + handler.handleCallback(new Callback("test")); + log.info(this + " sent callback"); + } + } + return invocation.getParameter(); + } + public void removeListener(InvokerCallbackHandler callbackHandler) {} + public void setMBeanServer(MBeanServer server) {} + public void setInvoker(ServerInvoker invoker) {} + } + + static class TestCallbackHandler implements InvokerCallbackHandler + { + public int counter; + + public void handleCallback(Callback callback) throws HandleCallbackException + { + log.info(this + " received callback"); + counter++; + } + } +} \ No newline at end of file