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https://github.com/vanitasvitae/Smack.git
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efacd34b2e
git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@13385 b35dd754-fafc-0310-a699-88a17e54d16e
371 lines
12 KiB
Java
371 lines
12 KiB
Java
/**
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* All rights reserved. Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.jivesoftware.smackx.bytestreams.socks5;
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import static org.junit.Assert.assertEquals;
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import static org.junit.Assert.assertFalse;
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import static org.junit.Assert.assertNotNull;
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import static org.junit.Assert.assertSame;
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import static org.junit.Assert.assertTrue;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.net.InetAddress;
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import java.net.ServerSocket;
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import java.net.Socket;
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import java.net.SocketException;
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import java.net.UnknownHostException;
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import java.util.ArrayList;
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import java.util.List;
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import org.jivesoftware.smack.SmackConfiguration;
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import org.junit.After;
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import org.junit.Test;
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/**
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* Test for Socks5Proxy class.
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*
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* @author Henning Staib
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*/
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public class Socks5ProxyTest {
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/**
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* The SOCKS5 proxy should be a singleton used by all XMPP connections
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*/
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@Test
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public void shouldBeASingleton() {
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SmackConfiguration.setLocalSocks5ProxyEnabled(false);
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Socks5Proxy proxy1 = Socks5Proxy.getSocks5Proxy();
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Socks5Proxy proxy2 = Socks5Proxy.getSocks5Proxy();
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assertNotNull(proxy1);
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assertNotNull(proxy2);
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assertSame(proxy1, proxy2);
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}
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/**
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* The SOCKS5 proxy should not be started if disabled by configuration.
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*/
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@Test
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public void shouldNotBeRunningIfDisabled() {
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SmackConfiguration.setLocalSocks5ProxyEnabled(false);
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Socks5Proxy proxy = Socks5Proxy.getSocks5Proxy();
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assertFalse(proxy.isRunning());
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}
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/**
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* The SOCKS5 proxy should use a free port above the one configured.
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*
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* @throws Exception should not happen
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*/
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@Test
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public void shouldUseFreePortOnNegativeValues() throws Exception {
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SmackConfiguration.setLocalSocks5ProxyEnabled(false);
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Socks5Proxy proxy = Socks5Proxy.getSocks5Proxy();
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assertFalse(proxy.isRunning());
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ServerSocket serverSocket = new ServerSocket(0);
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SmackConfiguration.setLocalSocks5ProxyPort(-serverSocket.getLocalPort());
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proxy.start();
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assertTrue(proxy.isRunning());
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serverSocket.close();
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assertTrue(proxy.getPort() > serverSocket.getLocalPort());
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}
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/**
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* When inserting new network addresses to the proxy the order should remain in the order they
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* were inserted.
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*/
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@Test
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public void shouldPreserveAddressOrderOnInsertions() {
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Socks5Proxy proxy = Socks5Proxy.getSocks5Proxy();
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List<String> addresses = new ArrayList<String>(proxy.getLocalAddresses());
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addresses.add("1");
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addresses.add("2");
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addresses.add("3");
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for (String address : addresses) {
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proxy.addLocalAddress(address);
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}
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List<String> localAddresses = proxy.getLocalAddresses();
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for (int i = 0; i < addresses.size(); i++) {
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assertEquals(addresses.get(i), localAddresses.get(i));
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}
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}
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/**
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* When replacing network addresses of the proxy the order should remain in the order if the
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* given list.
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*/
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@Test
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public void shouldPreserveAddressOrderOnReplace() {
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Socks5Proxy proxy = Socks5Proxy.getSocks5Proxy();
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List<String> addresses = new ArrayList<String>(proxy.getLocalAddresses());
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addresses.add("1");
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addresses.add("2");
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addresses.add("3");
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proxy.replaceLocalAddresses(addresses);
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List<String> localAddresses = proxy.getLocalAddresses();
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for (int i = 0; i < addresses.size(); i++) {
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assertEquals(addresses.get(i), localAddresses.get(i));
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}
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}
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/**
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* Inserting the same address multiple times should not cause the proxy to return this address
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* multiple times.
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*/
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@Test
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public void shouldNotReturnMultipleSameAddress() {
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Socks5Proxy proxy = Socks5Proxy.getSocks5Proxy();
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proxy.addLocalAddress("same");
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proxy.addLocalAddress("same");
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proxy.addLocalAddress("same");
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assertEquals(2, proxy.getLocalAddresses().size());
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}
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/**
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* There should be only one thread executing the SOCKS5 proxy process.
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*/
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@Test
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public void shouldOnlyStartOneServerThread() {
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int threadCount = Thread.activeCount();
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SmackConfiguration.setLocalSocks5ProxyPort(7890);
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Socks5Proxy proxy = Socks5Proxy.getSocks5Proxy();
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proxy.start();
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assertTrue(proxy.isRunning());
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assertEquals(threadCount + 1, Thread.activeCount());
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proxy.start();
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assertTrue(proxy.isRunning());
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assertEquals(threadCount + 1, Thread.activeCount());
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proxy.stop();
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assertFalse(proxy.isRunning());
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assertEquals(threadCount, Thread.activeCount());
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proxy.start();
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assertTrue(proxy.isRunning());
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assertEquals(threadCount + 1, Thread.activeCount());
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proxy.stop();
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}
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/**
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* If the SOCKS5 proxy accepts a connection that is not a SOCKS5 connection it should close the
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* corresponding socket.
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*
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* @throws Exception should not happen
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*/
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@Test
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public void shouldCloseSocketIfNoSocks5Request() throws Exception {
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SmackConfiguration.setLocalSocks5ProxyPort(7890);
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Socks5Proxy proxy = Socks5Proxy.getSocks5Proxy();
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proxy.start();
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Socket socket = new Socket(proxy.getLocalAddresses().get(0), proxy.getPort());
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OutputStream out = socket.getOutputStream();
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out.write(new byte[] { 1, 2, 3 });
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int res;
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try {
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res = socket.getInputStream().read();
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} catch (SocketException e) {
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res = -1;
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}
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assertEquals(-1, res);
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proxy.stop();
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}
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/**
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* The SOCKS5 proxy should reply with an error message if no supported authentication methods
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* are given in the SOCKS5 request.
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*
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* @throws Exception should not happen
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*/
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@Test
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public void shouldRespondWithErrorIfNoSupportedAuthenticationMethod() throws Exception {
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SmackConfiguration.setLocalSocks5ProxyPort(7890);
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Socks5Proxy proxy = Socks5Proxy.getSocks5Proxy();
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proxy.start();
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Socket socket = new Socket(proxy.getLocalAddresses().get(0), proxy.getPort());
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OutputStream out = socket.getOutputStream();
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// request username/password-authentication
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out.write(new byte[] { (byte) 0x05, (byte) 0x01, (byte) 0x02 });
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InputStream in = socket.getInputStream();
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assertEquals((byte) 0x05, (byte) in.read());
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assertEquals((byte) 0xFF, (byte) in.read());
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assertEquals(-1, in.read());
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proxy.stop();
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}
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/**
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* The SOCKS5 proxy should respond with an error message if the client is not allowed to connect
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* with the proxy.
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*
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* @throws Exception should not happen
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*/
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@Test
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public void shouldRespondWithErrorIfConnectionIsNotAllowed() throws Exception {
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SmackConfiguration.setLocalSocks5ProxyPort(7890);
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Socks5Proxy proxy = Socks5Proxy.getSocks5Proxy();
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proxy.start();
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Socket socket = new Socket(proxy.getLocalAddresses().get(0), proxy.getPort());
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OutputStream out = socket.getOutputStream();
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out.write(new byte[] { (byte) 0x05, (byte) 0x01, (byte) 0x00 });
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InputStream in = socket.getInputStream();
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assertEquals((byte) 0x05, (byte) in.read());
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assertEquals((byte) 0x00, (byte) in.read());
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// send valid SOCKS5 message
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out.write(new byte[] { (byte) 0x05, (byte) 0x00, (byte) 0x00, (byte) 0x03, (byte) 0x01,
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(byte) 0xAA, (byte) 0x00, (byte) 0x00 });
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// verify error message
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assertEquals((byte) 0x05, (byte) in.read());
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assertFalse((byte) 0x00 == (byte) in.read()); // something other than 0 == success
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assertEquals((byte) 0x00, (byte) in.read());
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assertEquals((byte) 0x03, (byte) in.read());
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assertEquals((byte) 0x01, (byte) in.read());
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assertEquals((byte) 0xAA, (byte) in.read());
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assertEquals((byte) 0x00, (byte) in.read());
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assertEquals((byte) 0x00, (byte) in.read());
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assertEquals(-1, in.read());
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proxy.stop();
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}
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/**
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* A Client should successfully establish a connection to the SOCKS5 proxy.
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*
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* @throws Exception should not happen
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*/
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@Test
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public void shouldSuccessfullyEstablishConnection() throws Exception {
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SmackConfiguration.setLocalSocks5ProxyPort(7890);
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Socks5Proxy proxy = Socks5Proxy.getSocks5Proxy();
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proxy.start();
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assertTrue(proxy.isRunning());
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String digest = new String(new byte[] { (byte) 0xAA });
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// add digest to allow connection
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proxy.addTransfer(digest);
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Socket socket = new Socket(proxy.getLocalAddresses().get(0), proxy.getPort());
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OutputStream out = socket.getOutputStream();
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out.write(new byte[] { (byte) 0x05, (byte) 0x01, (byte) 0x00 });
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InputStream in = socket.getInputStream();
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assertEquals((byte) 0x05, (byte) in.read());
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assertEquals((byte) 0x00, (byte) in.read());
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// send valid SOCKS5 message
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out.write(new byte[] { (byte) 0x05, (byte) 0x00, (byte) 0x00, (byte) 0x03, (byte) 0x01,
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(byte) 0xAA, (byte) 0x00, (byte) 0x00 });
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// verify response
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assertEquals((byte) 0x05, (byte) in.read());
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assertEquals((byte) 0x00, (byte) in.read()); // success
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assertEquals((byte) 0x00, (byte) in.read());
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assertEquals((byte) 0x03, (byte) in.read());
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assertEquals((byte) 0x01, (byte) in.read());
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assertEquals((byte) 0xAA, (byte) in.read());
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assertEquals((byte) 0x00, (byte) in.read());
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assertEquals((byte) 0x00, (byte) in.read());
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Thread.sleep(200);
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Socket remoteSocket = proxy.getSocket(digest);
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// remove digest
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proxy.removeTransfer(digest);
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// test stream
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OutputStream remoteOut = remoteSocket.getOutputStream();
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byte[] data = new byte[] { 1, 2, 3, 4, 5 };
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remoteOut.write(data);
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remoteOut.flush();
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for (int i = 0; i < data.length; i++) {
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assertEquals(data[i], in.read());
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}
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remoteSocket.close();
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assertEquals(-1, in.read());
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proxy.stop();
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}
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/**
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* Reset SOCKS5 proxy settings.
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*/
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@After
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public void cleanup() {
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SmackConfiguration.setLocalSocks5ProxyEnabled(true);
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SmackConfiguration.setLocalSocks5ProxyPort(7777);
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Socks5Proxy socks5Proxy = Socks5Proxy.getSocks5Proxy();
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try {
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String address = InetAddress.getLocalHost().getHostAddress();
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List<String> addresses = new ArrayList<String>();
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addresses.add(address);
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socks5Proxy.replaceLocalAddresses(addresses);
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}
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catch (UnknownHostException e) {
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// ignore
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}
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socks5Proxy.stop();
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}
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}
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