/* * Copyright 2002 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. */ /* * @test * @bug 4748292 * @summary Prevent/Disable reverse name lookups with JSSE SSL sockets */ import java.io.*; import java.net.*; import javax.net.ssl.*; public class ReverseNameLookup { /* * ============================================================= * 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; /* * Where do we find the keystores? */ static String pathToStores = "../../../../../../../etc"; static String keyStoreFile = "keystore"; static String trustStoreFile = "truststore"; static String passwd = "passphrase"; /* * 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.... */ /* * 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(); /* * Signal Client, we're ready for his connect. */ serverReady = true; SSLSocket sslSocket = (SSLSocket) sslServerSocket.accept(); InputStream sslIS = sslSocket.getInputStream(); OutputStream sslOS = sslSocket.getOutputStream(); sslIS.read(); sslOS.write(85); sslOS.flush(); sslSocket.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); } SSLSocketFactory sslsf = (SSLSocketFactory) SSLSocketFactory.getDefault(); SSLSocket sslSocket = (SSLSocket) sslsf.createSocket("127.0.0.1", serverPort); InputStream sslIS = sslSocket.getInputStream(); OutputStream sslOS = sslSocket.getOutputStream(); sslOS.write(280); sslOS.flush(); sslIS.read(); SSLSession session = sslSocket.getSession(); if (!session.getPeerHost().equals("127.0.0.1")) { throw new RuntimeException("we shouldn't do reverse name lookup"); } sslSocket.close(); } /* * ============================================================= * 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 { String keyFilename = System.getProperty("test.src", "./") + "/" + pathToStores + "/" + keyStoreFile; String trustFilename = System.getProperty("test.src", "./") + "/" + pathToStores + "/" + trustStoreFile; System.setProperty("javax.net.ssl.keyStore", keyFilename); System.setProperty("javax.net.ssl.keyStorePassword", passwd); System.setProperty("javax.net.ssl.trustStore", trustFilename); System.setProperty("javax.net.ssl.trustStorePassword", passwd); if (debug) System.setProperty("javax.net.debug", "all"); /* * Start the tests. */ new ReverseNameLookup(); } Thread clientThread = null; Thread serverThread = null; /* * Primary constructor, used to drive remainder of the test. * * Fork off the other side, then do your work. */ ReverseNameLookup() 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) throw serverException; if (clientException != null) 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 { try { doServerSide(); } finally { serverReady = true; } } } 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(); } } }