mirror of
https://codeberg.org/Mercury-IM/Smack
synced 2024-11-23 14:52:06 +01:00
333 lines
11 KiB
Java
333 lines
11 KiB
Java
|
/**
|
||
|
|
* All rights reserved. Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
* you may not use this file except in compliance with the License.
|
||
|
|
* You may obtain a copy of the License at
|
||
|
|
*
|
||
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
*
|
||
|
|
* Unless required by applicable law or agreed to in writing, software
|
||
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
* See the License for the specific language governing permissions and
|
||
|
|
* limitations under the License.
|
||
|
|
*/
|
||
|
|
package org.jivesoftware.smackx.bytestreams.socks5;
|
||
|
|
|
||
|
|
import static org.junit.Assert.*;
|
||
|
|
|
||
|
|
import java.io.DataInputStream;
|
||
|
|
import java.io.DataOutputStream;
|
||
|
|
import java.net.ServerSocket;
|
||
|
|
import java.net.Socket;
|
||
|
|
|
||
|
|
import org.jivesoftware.smack.XMPPException;
|
||
|
|
import org.jivesoftware.smackx.bytestreams.socks5.Socks5Client;
|
||
|
|
import org.jivesoftware.smackx.bytestreams.socks5.Socks5Utils;
|
||
|
|
import org.jivesoftware.smackx.bytestreams.socks5.packet.Bytestream.StreamHost;
|
||
|
|
import org.junit.After;
|
||
|
|
import org.junit.Before;
|
||
|
|
import org.junit.Test;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Test for Socks5Client class.
|
||
|
|
*
|
||
|
|
* @author Henning Staib
|
||
|
|
*/
|
||
|
|
public class Socks5ClientTest {
|
||
|
|
|
||
|
|
// settings
|
||
|
|
private String serverAddress = "127.0.0.1";
|
||
|
|
private int serverPort = 7890;
|
||
|
|
private String proxyJID = "proxy.xmpp-server";
|
||
|
|
private String digest = "digest";
|
||
|
|
private ServerSocket serverSocket;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Initialize fields used in the tests.
|
||
|
|
*
|
||
|
|
* @throws Exception should not happen
|
||
|
|
*/
|
||
|
|
@Before
|
||
|
|
public void setup() throws Exception {
|
||
|
|
// create SOCKS5 proxy server socket
|
||
|
|
serverSocket = new ServerSocket(serverPort);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* A SOCKS5 client MUST close connection if server doesn't accept any of the given
|
||
|
|
* authentication methods. (See RFC1928 Section 3)
|
||
|
|
*
|
||
|
|
* @throws Exception should not happen
|
||
|
|
*/
|
||
|
|
@Test
|
||
|
|
public void shouldCloseSocketIfServerDoesNotAcceptAuthenticationMethod() throws Exception {
|
||
|
|
|
||
|
|
// start thread to connect to SOCKS5 proxy
|
||
|
|
Thread serverThread = new Thread() {
|
||
|
|
|
||
|
|
@Override
|
||
|
|
public void run() {
|
||
|
|
StreamHost streamHost = new StreamHost(proxyJID, serverAddress);
|
||
|
|
streamHost.setPort(serverPort);
|
||
|
|
|
||
|
|
Socks5Client socks5Client = new Socks5Client(streamHost, digest);
|
||
|
|
|
||
|
|
try {
|
||
|
|
|
||
|
|
socks5Client.getSocket(10000);
|
||
|
|
|
||
|
|
fail("exception should be thrown");
|
||
|
|
}
|
||
|
|
catch (XMPPException e) {
|
||
|
|
assertTrue(e.getMessage().contains(
|
||
|
|
"establishing connection to SOCKS5 proxy failed"));
|
||
|
|
}
|
||
|
|
catch (Exception e) {
|
||
|
|
fail(e.getMessage());
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
};
|
||
|
|
serverThread.start();
|
||
|
|
|
||
|
|
// accept connection form client
|
||
|
|
Socket socket = serverSocket.accept();
|
||
|
|
DataInputStream in = new DataInputStream(socket.getInputStream());
|
||
|
|
DataOutputStream out = new DataOutputStream(socket.getOutputStream());
|
||
|
|
|
||
|
|
// validate authentication request
|
||
|
|
assertEquals((byte) 0x05, (byte) in.read()); // version
|
||
|
|
assertEquals((byte) 0x01, (byte) in.read()); // number of supported auth methods
|
||
|
|
assertEquals((byte) 0x00, (byte) in.read()); // no-authentication method
|
||
|
|
|
||
|
|
// respond that no authentication method is accepted
|
||
|
|
out.write(new byte[] { (byte) 0x05, (byte) 0xFF });
|
||
|
|
out.flush();
|
||
|
|
|
||
|
|
// wait for client to shutdown
|
||
|
|
serverThread.join();
|
||
|
|
|
||
|
|
// assert socket is closed
|
||
|
|
assertEquals(-1, in.read());
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* The SOCKS5 client should close connection if server replies in an unsupported way.
|
||
|
|
*
|
||
|
|
* @throws Exception should not happen
|
||
|
|
*/
|
||
|
|
@Test
|
||
|
|
public void shouldCloseSocketIfServerRepliesInUnsupportedWay() throws Exception {
|
||
|
|
|
||
|
|
// start thread to connect to SOCKS5 proxy
|
||
|
|
Thread serverThread = new Thread() {
|
||
|
|
|
||
|
|
@Override
|
||
|
|
public void run() {
|
||
|
|
StreamHost streamHost = new StreamHost(proxyJID, serverAddress);
|
||
|
|
streamHost.setPort(serverPort);
|
||
|
|
|
||
|
|
Socks5Client socks5Client = new Socks5Client(streamHost, digest);
|
||
|
|
try {
|
||
|
|
socks5Client.getSocket(10000);
|
||
|
|
|
||
|
|
fail("exception should be thrown");
|
||
|
|
}
|
||
|
|
catch (XMPPException e) {
|
||
|
|
assertTrue(e.getMessage().contains(
|
||
|
|
"establishing connection to SOCKS5 proxy failed"));
|
||
|
|
}
|
||
|
|
catch (Exception e) {
|
||
|
|
fail(e.getMessage());
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
};
|
||
|
|
serverThread.start();
|
||
|
|
|
||
|
|
// accept connection from client
|
||
|
|
Socket socket = serverSocket.accept();
|
||
|
|
DataInputStream in = new DataInputStream(socket.getInputStream());
|
||
|
|
DataOutputStream out = new DataOutputStream(socket.getOutputStream());
|
||
|
|
|
||
|
|
// validate authentication request
|
||
|
|
assertEquals((byte) 0x05, (byte) in.read()); // version
|
||
|
|
assertEquals((byte) 0x01, (byte) in.read()); // number of supported auth methods
|
||
|
|
assertEquals((byte) 0x00, (byte) in.read()); // no-authentication method
|
||
|
|
|
||
|
|
// respond that no no-authentication method is used
|
||
|
|
out.write(new byte[] { (byte) 0x05, (byte) 0x00 });
|
||
|
|
out.flush();
|
||
|
|
|
||
|
|
Socks5Utils.receiveSocks5Message(in);
|
||
|
|
|
||
|
|
// reply with unsupported address type
|
||
|
|
out.write(new byte[] { (byte) 0x05, (byte) 0x00, (byte) 0x00, (byte) 0x01, (byte) 0x00 });
|
||
|
|
out.flush();
|
||
|
|
|
||
|
|
// wait for client to shutdown
|
||
|
|
serverThread.join();
|
||
|
|
|
||
|
|
// assert socket is closed
|
||
|
|
assertEquals(-1, in.read());
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* The SOCKS5 client should close connection if server replies with an error.
|
||
|
|
*
|
||
|
|
* @throws Exception should not happen
|
||
|
|
*/
|
||
|
|
@Test
|
||
|
|
public void shouldCloseSocketIfServerRepliesWithError() throws Exception {
|
||
|
|
|
||
|
|
// start thread to connect to SOCKS5 proxy
|
||
|
|
Thread serverThread = new Thread() {
|
||
|
|
|
||
|
|
@Override
|
||
|
|
public void run() {
|
||
|
|
StreamHost streamHost = new StreamHost(proxyJID, serverAddress);
|
||
|
|
streamHost.setPort(serverPort);
|
||
|
|
|
||
|
|
Socks5Client socks5Client = new Socks5Client(streamHost, digest);
|
||
|
|
try {
|
||
|
|
socks5Client.getSocket(10000);
|
||
|
|
|
||
|
|
fail("exception should be thrown");
|
||
|
|
}
|
||
|
|
catch (XMPPException e) {
|
||
|
|
assertTrue(e.getMessage().contains(
|
||
|
|
"establishing connection to SOCKS5 proxy failed"));
|
||
|
|
}
|
||
|
|
catch (Exception e) {
|
||
|
|
fail(e.getMessage());
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
};
|
||
|
|
serverThread.start();
|
||
|
|
|
||
|
|
Socket socket = serverSocket.accept();
|
||
|
|
DataInputStream in = new DataInputStream(socket.getInputStream());
|
||
|
|
DataOutputStream out = new DataOutputStream(socket.getOutputStream());
|
||
|
|
|
||
|
|
// validate authentication request
|
||
|
|
assertEquals((byte) 0x05, (byte) in.read()); // version
|
||
|
|
assertEquals((byte) 0x01, (byte) in.read()); // number of supported auth methods
|
||
|
|
assertEquals((byte) 0x00, (byte) in.read()); // no-authentication method
|
||
|
|
|
||
|
|
// respond that no no-authentication method is used
|
||
|
|
out.write(new byte[] { (byte) 0x05, (byte) 0x00 });
|
||
|
|
out.flush();
|
||
|
|
|
||
|
|
Socks5Utils.receiveSocks5Message(in);
|
||
|
|
|
||
|
|
// reply with full SOCKS5 message with an error code (01 = general SOCKS server
|
||
|
|
// failure)
|
||
|
|
out.write(new byte[] { (byte) 0x05, (byte) 0x01, (byte) 0x00, (byte) 0x03 });
|
||
|
|
byte[] address = digest.getBytes();
|
||
|
|
out.write(address.length);
|
||
|
|
out.write(address);
|
||
|
|
out.write(new byte[] { (byte) 0x00, (byte) 0x00 });
|
||
|
|
out.flush();
|
||
|
|
|
||
|
|
// wait for client to shutdown
|
||
|
|
serverThread.join();
|
||
|
|
|
||
|
|
// assert socket is closed
|
||
|
|
assertEquals(-1, in.read());
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* The SOCKS5 client should successfully connect to the SOCKS5 server
|
||
|
|
*
|
||
|
|
* @throws Exception should not happen
|
||
|
|
*/
|
||
|
|
@Test
|
||
|
|
public void shouldSuccessfullyConnectToSocks5Server() throws Exception {
|
||
|
|
|
||
|
|
// start thread to connect to SOCKS5 proxy
|
||
|
|
Thread serverThread = new Thread() {
|
||
|
|
|
||
|
|
@Override
|
||
|
|
public void run() {
|
||
|
|
StreamHost streamHost = new StreamHost(proxyJID, serverAddress);
|
||
|
|
streamHost.setPort(serverPort);
|
||
|
|
|
||
|
|
Socks5Client socks5Client = new Socks5Client(streamHost, digest);
|
||
|
|
|
||
|
|
try {
|
||
|
|
Socket socket = socks5Client.getSocket(10000);
|
||
|
|
assertNotNull(socket);
|
||
|
|
socket.getOutputStream().write(123);
|
||
|
|
socket.close();
|
||
|
|
}
|
||
|
|
catch (Exception e) {
|
||
|
|
fail(e.getMessage());
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
};
|
||
|
|
serverThread.start();
|
||
|
|
|
||
|
|
Socket socket = serverSocket.accept();
|
||
|
|
DataInputStream in = new DataInputStream(socket.getInputStream());
|
||
|
|
DataOutputStream out = new DataOutputStream(socket.getOutputStream());
|
||
|
|
|
||
|
|
// validate authentication request
|
||
|
|
assertEquals((byte) 0x05, (byte) in.read()); // version
|
||
|
|
assertEquals((byte) 0x01, (byte) in.read()); // number of supported auth methods
|
||
|
|
assertEquals((byte) 0x00, (byte) in.read()); // no-authentication method
|
||
|
|
|
||
|
|
// respond that no no-authentication method is used
|
||
|
|
out.write(new byte[] { (byte) 0x05, (byte) 0x00 });
|
||
|
|
out.flush();
|
||
|
|
|
||
|
|
byte[] address = digest.getBytes();
|
||
|
|
|
||
|
|
assertEquals((byte) 0x05, (byte) in.read()); // version
|
||
|
|
assertEquals((byte) 0x01, (byte) in.read()); // connect request
|
||
|
|
assertEquals((byte) 0x00, (byte) in.read()); // reserved byte (always 0)
|
||
|
|
assertEquals((byte) 0x03, (byte) in.read()); // address type (domain)
|
||
|
|
assertEquals(address.length, (byte) in.read()); // address length
|
||
|
|
for (int i = 0; i < address.length; i++) {
|
||
|
|
assertEquals(address[i], (byte) in.read()); // address
|
||
|
|
}
|
||
|
|
assertEquals((byte) 0x00, (byte) in.read()); // port
|
||
|
|
assertEquals((byte) 0x00, (byte) in.read());
|
||
|
|
|
||
|
|
// reply with success SOCKS5 message
|
||
|
|
out.write(new byte[] { (byte) 0x05, (byte) 0x00, (byte) 0x00, (byte) 0x03 });
|
||
|
|
out.write(address.length);
|
||
|
|
out.write(address);
|
||
|
|
out.write(new byte[] { (byte) 0x00, (byte) 0x00 });
|
||
|
|
out.flush();
|
||
|
|
|
||
|
|
// wait for client to shutdown
|
||
|
|
serverThread.join();
|
||
|
|
|
||
|
|
// verify data sent from client
|
||
|
|
assertEquals(123, in.read());
|
||
|
|
|
||
|
|
// assert socket is closed
|
||
|
|
assertEquals(-1, in.read());
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Close fake SOCKS5 proxy.
|
||
|
|
*
|
||
|
|
* @throws Exception should not happen
|
||
|
|
*/
|
||
|
|
@After
|
||
|
|
public void cleanup() throws Exception {
|
||
|
|
serverSocket.close();
|
||
|
|
}
|
||
|
|
}
|