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We might revert this some other time, if we need to support other JVMs

Dieser Commit ist enthalten in:
Kristian S. Stangeland 2013-02-27 01:15:06 +01:00
Ursprung c7737ca96e
Commit fbfbd28bea
12 geänderte Dateien mit 8 neuen und 883 gelöschten Zeilen

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@ -47,8 +47,6 @@ class ProtocolConfig {
private static final String UPDATER_DELAY = "delay";
private static final String UPDATER_LAST_TIME = "last";
private static final String ALTERNATIVE_JVM = "alternate jvm";
// Defaults
private static final long DEFAULT_UPDATER_DELAY = 43200;
@ -231,22 +229,6 @@ class ProtocolConfig {
global.set(BACKGROUND_COMPILER_ENABLED, enabled);
}
/**
* Retrieve whether the current JVM is a non-standard implementation and require some workarounds.
* @return TRUE if it does, FALSE otherwise.
*/
public boolean isAlternateJVM() {
return global.getBoolean(ALTERNATIVE_JVM, false);
}
/**
* Set whether the current JVM is a non-standard implementation and require some workarounds.
* @param value - TRUE if it is, FALSE otherwise.
*/
public void setAlternateJVM(boolean value) {
global.set(ALTERNATIVE_JVM, value);
}
/**
* Set the last time we updated, in seconds since 1970.01.01 00:00.
* @param lastTimeSeconds - new last update time.

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@ -137,7 +137,7 @@ public class ProtocolLibrary extends JavaPlugin {
unhookTask = new DelayedSingleTask(this);
protocolManager = new PacketFilterManager(
getClassLoader(), getServer(), unhookTask, detailedReporter, config.isAlternateJVM());
getClassLoader(), getServer(), unhookTask, detailedReporter);
// Setup error reporter
detailedReporter.addGlobalParameter("manager", protocolManager);

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@ -150,7 +150,7 @@ public final class PacketFilterManager implements ProtocolManager, ListenerInvok
* Only create instances of this class if protocol lib is disabled.
* @param unhookTask
*/
public PacketFilterManager(ClassLoader classLoader, Server server, DelayedSingleTask unhookTask, ErrorReporter reporter, boolean alternateJVM) {
public PacketFilterManager(ClassLoader classLoader, Server server, DelayedSingleTask unhookTask, ErrorReporter reporter) {
if (reporter == null)
throw new IllegalArgumentException("reporter cannot be NULL.");
if (classLoader == null)
@ -200,7 +200,6 @@ public final class PacketFilterManager implements ProtocolManager, ListenerInvok
classLoader(classLoader).
packetListeners(packetListeners).
injectionFilter(isInjectionNecessary).
alternativeJVM(alternateJVM).
buildHandler();
this.packetInjector = PacketInjectorBuilder.newBuilder().

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@ -37,7 +37,6 @@ public class PlayerInjectorBuilder {
protected ListenerInvoker invoker;
protected Set<PacketListener> packetListeners;
protected Server server;
protected boolean alternativeJVM;
/**
* Set the class loader to use during class generation.
@ -108,16 +107,6 @@ public class PlayerInjectorBuilder {
return this;
}
/**
* Set whether or not the current JVM implementation is alternative.
* @param value - TRUE if it is, FALSE otherwise.
* @return The current builder, for chaining.
*/
public PlayerInjectorBuilder alternativeJVM(boolean value) {
alternativeJVM = value;
return this;
}
/**
* Called before an object is created with this builder.
*/
@ -151,6 +140,6 @@ public class PlayerInjectorBuilder {
return new ProxyPlayerInjectionHandler(
classLoader, reporter, injectionFilter,
invoker, packetListeners, server, alternativeJVM);
invoker, packetListeners, server);
}
}

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@ -91,7 +91,7 @@ class ProxyPlayerInjectionHandler implements PlayerInjectionHandler {
public ProxyPlayerInjectionHandler(
ClassLoader classLoader, ErrorReporter reporter, Predicate<GamePhase> injectionFilter,
ListenerInvoker invoker, Set<PacketListener> packetListeners, Server server, boolean alternateJVM) {
ListenerInvoker invoker, Set<PacketListener> packetListeners, Server server) {
this.classLoader = classLoader;
this.reporter = reporter;
@ -102,7 +102,6 @@ class ProxyPlayerInjectionHandler implements PlayerInjectionHandler {
this.inputStreamLookup = InputStreamLookupBuilder.newBuilder().
server(server).
reporter(reporter).
alternativeJVM(alternateJVM).
build();
// Create net login injectors and the server connection injector
@ -323,6 +322,7 @@ class ProxyPlayerInjectionHandler implements PlayerInjectionHandler {
if (previous != null && previous instanceof PlayerInjector) {
uninjectPlayer(previous.getPlayer(), true);
}
injector.injectManager();
// Save injector

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@ -1,122 +0,0 @@
package com.comphenix.protocol.injector.server;
import java.io.IOException;
import java.net.InetAddress;
import java.net.ServerSocket;
import java.net.Socket;
import java.net.SocketAddress;
import java.net.SocketException;
import java.nio.channels.ServerSocketChannel;
class DelegatedServerSocket extends ServerSocket {
protected ServerSocket delegate;
public DelegatedServerSocket(ServerSocket delegate) throws IOException {
super();
this.delegate = delegate;
}
@Override
public void close() throws IOException {
delegate.close();
}
@Override
public Socket accept() throws IOException {
return delegate.accept();
}
@Override
public void bind(SocketAddress endpoint) throws IOException {
delegate.bind(endpoint);
}
@Override
public void bind(SocketAddress endpoint, int backlog) throws IOException {
delegate.bind(endpoint, backlog);
}
@Override
public boolean equals(Object obj) {
return delegate.equals(obj);
}
@Override
public ServerSocketChannel getChannel() {
return delegate.getChannel();
}
@Override
public InetAddress getInetAddress() {
return delegate.getInetAddress();
}
@Override
public int getLocalPort() {
return delegate.getLocalPort();
}
@Override
public SocketAddress getLocalSocketAddress() {
return delegate.getLocalSocketAddress();
}
@Override
public synchronized int getReceiveBufferSize() throws SocketException {
return delegate.getReceiveBufferSize();
}
@Override
public boolean getReuseAddress() throws SocketException {
return delegate.getReuseAddress();
}
@Override
public synchronized int getSoTimeout() throws IOException {
return delegate.getSoTimeout();
}
@Override
public int hashCode() {
return delegate.hashCode();
}
@Override
public boolean isBound() {
return delegate.isBound();
}
@Override
public boolean isClosed() {
return delegate.isClosed();
}
@Override
public void setPerformancePreferences(int connectionTime, int latency, int bandwidth) {
delegate.setPerformancePreferences(connectionTime, latency, bandwidth);
}
@Override
public synchronized void setReceiveBufferSize(int size) throws SocketException {
delegate.setReceiveBufferSize(size);
}
@Override
public void setReuseAddress(boolean on) throws SocketException {
delegate.setReuseAddress(on);
}
@Override
public synchronized void setSoTimeout(int timeout) throws SocketException {
delegate.setSoTimeout(timeout);
}
@Override
public String toString() {
return delegate.toString();
}
public ServerSocket getDelegate() {
return delegate;
}
}

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@ -1,241 +0,0 @@
package com.comphenix.protocol.injector.server;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.InetAddress;
import java.net.Socket;
import java.net.SocketAddress;
import java.net.SocketException;
import java.nio.channels.SocketChannel;
// This is a fixed JVM class, so there's probably no need to use CGLib
class DelegatedSocket extends Socket {
protected Socket delegate;
public DelegatedSocket(Socket delegate) {
super();
this.delegate = delegate;
}
@Override
public void bind(SocketAddress arg0) throws IOException {
delegate.bind(arg0);
}
@Override
public synchronized void close() throws IOException {
delegate.close();
}
@Override
public void connect(SocketAddress endpoint) throws IOException {
delegate.connect(endpoint);
}
@Override
public void connect(SocketAddress endpoint, int timeout) throws IOException {
delegate.connect(endpoint, timeout);
}
@Override
public boolean equals(Object obj) {
return delegate.equals(obj);
}
@Override
public SocketChannel getChannel() {
return delegate.getChannel();
}
@Override
public InetAddress getInetAddress() {
return delegate.getInetAddress();
}
@Override
public InputStream getInputStream() throws IOException {
return delegate.getInputStream();
}
@Override
public boolean getKeepAlive() throws SocketException {
return delegate.getKeepAlive();
}
@Override
public InetAddress getLocalAddress() {
return delegate.getLocalAddress();
}
@Override
public int getLocalPort() {
return delegate.getLocalPort();
}
@Override
public SocketAddress getLocalSocketAddress() {
return delegate.getLocalSocketAddress();
}
@Override
public boolean getOOBInline() throws SocketException {
return delegate.getOOBInline();
}
@Override
public OutputStream getOutputStream() throws IOException {
return delegate.getOutputStream();
}
@Override
public int getPort() {
return delegate.getPort();
}
@Override
public synchronized int getReceiveBufferSize() throws SocketException {
return delegate.getReceiveBufferSize();
}
@Override
public SocketAddress getRemoteSocketAddress() {
return delegate.getRemoteSocketAddress();
}
@Override
public boolean getReuseAddress() throws SocketException {
return delegate.getReuseAddress();
}
@Override
public synchronized int getSendBufferSize() throws SocketException {
return delegate.getSendBufferSize();
}
@Override
public int getSoLinger() throws SocketException {
return delegate.getSoLinger();
}
@Override
public synchronized int getSoTimeout() throws SocketException {
return delegate.getSoTimeout();
}
@Override
public boolean getTcpNoDelay() throws SocketException {
return delegate.getTcpNoDelay();
}
@Override
public int getTrafficClass() throws SocketException {
return delegate.getTrafficClass();
}
@Override
public int hashCode() {
return delegate.hashCode();
}
@Override
public boolean isBound() {
return delegate.isBound();
}
@Override
public boolean isClosed() {
return delegate.isClosed();
}
@Override
public boolean isConnected() {
return delegate.isConnected();
}
@Override
public boolean isInputShutdown() {
return delegate.isInputShutdown();
}
@Override
public boolean isOutputShutdown() {
return delegate.isOutputShutdown();
}
@Override
public void sendUrgentData(int data) throws IOException {
delegate.sendUrgentData(data);
}
@Override
public void setKeepAlive(boolean on) throws SocketException {
delegate.setKeepAlive(on);
}
@Override
public void setOOBInline(boolean on) throws SocketException {
delegate.setOOBInline(on);
}
@Override
public void setPerformancePreferences(int connectionTime, int latency, int bandwidth) {
delegate.setPerformancePreferences(connectionTime, latency, bandwidth);
}
@Override
public synchronized void setReceiveBufferSize(int size) throws SocketException {
delegate.setReceiveBufferSize(size);
}
@Override
public void setReuseAddress(boolean on) throws SocketException {
delegate.setReuseAddress(on);
}
@Override
public synchronized void setSendBufferSize(int size) throws SocketException {
delegate.setSendBufferSize(size);
}
@Override
public void setSoLinger(boolean on, int linger) throws SocketException {
delegate.setSoLinger(on, linger);
}
@Override
public synchronized void setSoTimeout(int timeout) throws SocketException {
delegate.setSoTimeout(timeout);
}
@Override
public void setTcpNoDelay(boolean on) throws SocketException {
delegate.setTcpNoDelay(on);
}
@Override
public void setTrafficClass(int tc) throws SocketException {
delegate.setTrafficClass(tc);
}
@Override
public void shutdownInput() throws IOException {
delegate.shutdownInput();
}
@Override
public void shutdownOutput() throws IOException {
delegate.shutdownOutput();
}
@Override
public String toString() {
return delegate.toString();
}
public Socket getDelegate() {
return delegate;
}
}

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@ -1,64 +0,0 @@
package com.comphenix.protocol.injector.server;
import java.lang.reflect.InvocationTargetException;
import java.net.Socket;
import java.net.SocketAddress;
import org.bukkit.entity.Player;
/**
* Represents a socket injector that delegates to a passed injector.
* @author Kristian
*
*/
class DelegatedSocketInjector implements SocketInjector {
private volatile SocketInjector delegate;
public DelegatedSocketInjector(SocketInjector delegate) {
this.delegate = delegate;
}
@Override
public void disconnect(String message) throws InvocationTargetException {
delegate.disconnect(message);
}
@Override
public SocketAddress getAddress() throws IllegalAccessException {
return delegate.getAddress();
}
@Override
public Player getPlayer() {
return delegate.getPlayer();
}
@Override
public Socket getSocket() throws IllegalAccessException {
return delegate.getSocket();
}
@Override
public Player getUpdatedPlayer() {
return delegate.getUpdatedPlayer();
}
@Override
public void sendServerPacket(Object packet, boolean filtered) throws InvocationTargetException {
delegate.sendServerPacket(packet, filtered);
}
public SocketInjector getDelegate() {
return delegate;
}
@Override
public void transferState(SocketInjector delegate) {
delegate.transferState(delegate);
}
public synchronized void setDelegate(SocketInjector delegate) {
// Let the old delegate pass values to the new
this.delegate.transferState(delegate);
this.delegate = delegate;
}
}

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@ -20,7 +20,6 @@ public class InputStreamLookupBuilder {
private Server server;
private ErrorReporter reporter;
private boolean alternativeJVM;
/**
* Set the server instance to use.
@ -42,20 +41,7 @@ public class InputStreamLookupBuilder {
return this;
}
/**
* Set whether or not the current JVM implementation is alternative.
* @param value - TRUE if it is, FALSE otherwise.
* @return The current builder, for chaining.
*/
public InputStreamLookupBuilder alternativeJVM(boolean value) {
alternativeJVM = value;
return this;
}
public AbstractInputStreamLookup build() {
if (alternativeJVM)
return new InputStreamProxyLookup(reporter, server);
else
return new InputStreamReflectLookup(reporter, server);
return new InputStreamReflectLookup(reporter, server);
}
}

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@ -1,293 +0,0 @@
package com.comphenix.protocol.injector.server;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.lang.reflect.Field;
import java.net.InetSocketAddress;
import java.net.ServerSocket;
import java.net.Socket;
import java.net.SocketAddress;
import java.nio.charset.Charset;
import java.util.Collections;
import java.util.Set;
import java.util.concurrent.ConcurrentMap;
import org.bukkit.Server;
import org.bukkit.entity.Player;
import com.comphenix.protocol.Packets;
import com.comphenix.protocol.error.ErrorReporter;
import com.comphenix.protocol.reflect.FuzzyReflection;
import com.comphenix.protocol.reflect.VolatileField;
import com.google.common.collect.MapMaker;
/**
* Injection hook used to determine which Socket, and thus address, created any given DataInputStream.
*
* @author Kristian
*/
class InputStreamProxyLookup extends AbstractInputStreamLookup {
/**
* The read and connect timeout for our built-in MOTD reader.
*/
private static final int READ_TIMEOUT = 5000;
private static final int CONNECT_TIMEOUT = 1000;
// Using weak keys and values ensures that we will not hold up garbage collection
protected ConcurrentMap<InputStream, SocketInjector> ownerSocket = new MapMaker().weakKeys().makeMap();
protected ConcurrentMap<SocketAddress, InputStream> addressLookup = new MapMaker().weakValues().makeMap();
protected ConcurrentMap<Socket, InputStream> socketLookup = new MapMaker().weakKeys().makeMap();
// Fake connections
private Set<SocketAddress> fakeConnections = Collections.newSetFromMap(
new MapMaker().weakKeys().<SocketAddress, Boolean>makeMap()
);
// The server socket that has been injected
private VolatileField injectedServerSocket;
// Used to create fake players
private TemporaryPlayerFactory tempPlayerFactory = new TemporaryPlayerFactory();
public InputStreamProxyLookup(ErrorReporter reporter, Server server) {
super(reporter, server);
}
@Override
public void inject(Object container) {
if (injectedServerSocket != null)
throw new IllegalStateException("Can only inject once. Create a new object instead.");
Field selected = FuzzyReflection.fromObject(container, true).
getFieldByType("serverSocket", ServerSocket.class);
injectedServerSocket = new VolatileField(selected, container, true);
// Load socket
ServerSocket socket = (ServerSocket) injectedServerSocket.getValue();
// Make sure it exists
if (socket == null) {
throw new IllegalStateException("Cannot find socket to inject. Reference " + selected + " contains NULL.");
}
// Next, let us create the injected server socket
try {
injectedServerSocket.setValue(new DelegatedServerSocket(socket) {
@Override
public Socket accept() throws IOException {
Socket accepted = super.accept();
if (fakeConnections.contains(accepted.getRemoteSocketAddress())) {
// Don't intercept this connection
return accepted;
}
// Wrap the socket we return
return new DelegatedSocket(accepted) {
@Override
public InputStream getInputStream() throws IOException {
InputStream input = super.getInputStream();
SocketAddress address = delegate.getRemoteSocketAddress();
// Make sure that the address is actually valid
if (address != null) {
InputStream previousStream = addressLookup.
putIfAbsent(delegate.getRemoteSocketAddress(), input);
// Ensure that this is our first time
if (previousStream == null) {
// Create a new temporary player
Player temporaryPlayer = tempPlayerFactory.createTemporaryPlayer(server);
TemporarySocketInjector temporaryInjector = new TemporarySocketInjector(temporaryPlayer, delegate);
DelegatedSocketInjector socketInjector = new DelegatedSocketInjector(temporaryInjector);
// Update it
TemporaryPlayerFactory.setInjectorInPlayer(temporaryPlayer, socketInjector);
// Socket lookup
socketLookup.put(this, input);
// Associate the socket with a given input stream
setSocketInjector(input, socketInjector);
}
}
return input;
}
};
}
});
} catch (IOException e) {
throw new IllegalStateException("Unbound socket threw an exception. Should never occur.", e);
}
}
@Override
public SocketInjector getSocketInjector(Socket socket) {
InputStream stream = getStream(socket);
if (stream != null)
return getSocketInjector(stream);
else
return null;
}
@Override
public void setSocketInjector(Socket socket, SocketInjector injector) {
InputStream stream = getStream(socket);
if (stream != null) {
socketLookup.put(socket, stream);
setSocketInjector(stream, injector);
}
}
/**
* Set the referenced socket injector by input stream.
* @param stream - the input stream.
* @param injector - the injector to reference.
*/
public void setSocketInjector(InputStream stream, SocketInjector injector) {
SocketInjector previous = ownerSocket.put(stream, injector);
// Handle overwrite
if (previous != null) {
onPreviousSocketOverwritten(previous, injector);
}
}
private InputStream getStream(Socket socket) {
InputStream result = socketLookup.get(socket);
// Use the socket as well
if (result == null) {
try {
result = socket.getInputStream();
} catch (IOException e) {
throw new RuntimeException("Unable to retrieve input stream from socket " + socket, e);
}
}
return result;
}
@Override
public SocketInjector getSocketInjector(InputStream input) {
return ownerSocket.get(input);
}
@Override
public SocketInjector getSocketInjector(SocketAddress address) {
InputStream input = addressLookup.get(address);
if (input != null) {
return ownerSocket.get(input);
} else {
return null;
}
}
@Override
public void postWorldLoaded() {
cycleServerPorts();
}
/**
* Invoked when we need to cycle the injected server port.
* <p>
* This uses a fairly significant hack - we connect to our own server.
*/
void cycleServerPorts() {
final ServerSocket serverSocket = (ServerSocket) injectedServerSocket.getValue();
final SocketAddress address = new InetSocketAddress("127.0.0.1", serverSocket.getLocalPort());
// Sorry
Thread consumeThread = new Thread("ProtocolLib - Hack Thread") {
@Override
public void run() {
Socket socket = null;
OutputStream output = null;
InputStream input = null;
InputStreamReader reader = null;
try {
socket = new Socket();
socket.connect(address, CONNECT_TIMEOUT);
// Ignore packets from this connection
fakeConnections.add(socket.getLocalSocketAddress());
// Shouldn't take that long
socket.setSoTimeout(READ_TIMEOUT);
// Retrieve sockets
output = socket.getOutputStream();
input = socket.getInputStream();
reader = new InputStreamReader(input, Charset.forName("UTF-16BE"));
// Get the server to send a MOTD
output.write(new byte[] { (byte) 0xFE, (byte) 0x01 });
int packetId = input.read();
int length = reader.read();
if (packetId != Packets.Server.KICK_DISCONNECT) {
throw new IOException("Invalid packet ID: " + packetId);
}
if (length <= 0) {
throw new IOException("Invalid string length.");
}
char[] chars = new char[length];
// Read all the characters
if (reader.read(chars, 0, length) != length) {
throw new IOException("Premature end of stream.");
}
System.out.println("Read: " + new String(chars));
} catch (Exception e) {
reporter.reportWarning(this, "Cannot simulate MOTD.", e);
} finally {
try {
if (reader != null)
reader.close();
if (input != null)
input.close();
if (output != null)
output.close();
if (socket != null)
socket.close();
} catch (IOException e) {
reporter.reportWarning(this, "Cannot clean up socket.", e);
}
}
}
};
consumeThread.start();
}
@Override
protected void onPreviousSocketOverwritten(SocketInjector previous, SocketInjector current) {
// Don't forget this
super.onPreviousSocketOverwritten(previous, current);
if (previous instanceof DelegatedSocketInjector) {
DelegatedSocketInjector delegated = (DelegatedSocketInjector) previous;
// Update the delegate
delegated.setDelegate(current);
}
}
@Override
public void cleanupAll() {
if (injectedServerSocket != null && injectedServerSocket.isCurrentSet()) {
injectedServerSocket.revertValue();
// This is going to suck
cycleServerPorts();
}
}
}

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@ -1,108 +0,0 @@
package com.comphenix.protocol.injector.server;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.net.Socket;
import java.net.SocketAddress;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.bukkit.entity.Player;
class TemporarySocketInjector implements SocketInjector {
/**
* Represents a single send packet command.
* @author Kristian
*/
static class SendPacketCommand {
private final Object packet;
private final boolean filtered;
public SendPacketCommand(Object packet, boolean filtered) {
this.packet = packet;
this.filtered = filtered;
}
public Object getPacket() {
return packet;
}
public boolean isFiltered() {
return filtered;
}
}
private Player temporaryPlayer;
private Socket socket;
// Queue of server packets
private List<SendPacketCommand> syncronizedQueue = Collections.synchronizedList(new ArrayList<SendPacketCommand>());
/**
* Represents a temporary socket injector.
* @param temporaryPlayer - temporary player instance.
* @param socket - the socket we are representing.
* @param fake - whether or not this connection should be ignored.
*/
public TemporarySocketInjector(Player temporaryPlayer, Socket socket) {
this.temporaryPlayer = temporaryPlayer;
this.socket = socket;
}
@Override
public Socket getSocket() throws IllegalAccessException {
return socket;
}
@Override
public SocketAddress getAddress() throws IllegalAccessException {
if (socket != null)
return socket.getRemoteSocketAddress();
return null;
}
@Override
public void disconnect(String message) throws InvocationTargetException {
// We have no choice - disregard message too
try {
socket.close();
} catch (IOException e) {
throw new InvocationTargetException(e);
}
}
@Override
public void sendServerPacket(Object packet, boolean filtered)
throws InvocationTargetException {
SendPacketCommand command = new SendPacketCommand(packet, filtered);
// Queue until we can find something better
syncronizedQueue.add(command);
}
@Override
public Player getPlayer() {
return temporaryPlayer;
}
@Override
public Player getUpdatedPlayer() {
return temporaryPlayer;
}
@Override
public void transferState(SocketInjector delegate) {
// Transmit all queued packets to a different injector.
try {
synchronized(syncronizedQueue) {
for (SendPacketCommand command : syncronizedQueue) {
delegate.sendServerPacket(command.getPacket(), command.isFiltered());
}
syncronizedQueue.clear();
}
} catch (InvocationTargetException e) {
throw new RuntimeException("Unable to transmit packets to " + delegate + " from old injector.", e);
}
}
}

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@ -17,8 +17,5 @@ global:
# Disable version checking for the given Minecraft version. Backup your world first!
ignore version check:
# Set to TRUE if you're on a custom JVM implementation and you're having problems
alternate jvm: false
# Override the starting injecting method
injection method: