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Move all PacketLib local channel classes to Geyser

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Camotoy 2021-11-12 11:25:15 -05:00
parent dc5edc0a2c
commit 5d58394bc0
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13 changed files with 658 additions and 41 deletions
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15
bootstrap/bungeecord/src/main/java/org/geysermc/platform/bungeecord/GeyserBungeeInjector.java
View file

@ -25,7 +25,6 @@
package org.geysermc.platform.bungeecord;
import com.github.steveice10.packetlib.io.local.LocalServerChannelWrapper;
import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.Channel;
import io.netty.channel.ChannelFuture;
@ -42,7 +41,9 @@ import net.md_5.bungee.event.EventHandler;
import net.md_5.bungee.netty.PipelineUtils;
import org.geysermc.connector.GeyserConnector;
import org.geysermc.connector.bootstrap.GeyserBootstrap;
import org.geysermc.connector.common.GeyserInjector;
import org.geysermc.connector.common.connection.GeyserInjector;
import org.geysermc.connector.common.connection.LocalServerChannelWrapper;
import org.geysermc.connector.common.connection.LocalSession;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
@ -122,7 +123,7 @@ public class GeyserBungeeInjector extends GeyserInjector implements Listener {
ChannelFuture channelFuture = (new ServerBootstrap()
.channel(LocalServerChannelWrapper.class)
.childHandler(new ChannelInitializer<Channel>() {
.childHandler(new ChannelInitializer<>() {
@Override
protected void initChannel(Channel ch) throws Exception {
if (proxy.getConfig().getServers() == null) {
@ -156,6 +157,14 @@ public class GeyserBungeeInjector extends GeyserInjector implements Listener {
this.proxy.getPluginManager().registerListener(this.plugin, this);
this.eventRegistered = true;
}
// Only affects Waterfall, but there is no sure way to differentiate between a proxy with this patch and a proxy without this patch
// Patch causing the issue: https://github.com/PaperMC/Waterfall/blob/7e6af4cef64d5d377a6ffd00a534379e6efa94cf/BungeeCord-Patches/0045-Don-t-use-a-bytebuf-for-packet-decoding.patch
// If native compression is enabled, then this line is tripped up if a heap buffer is sent over in such a situation
// as a new direct buffer is not created with that patch (HeapByteBufs throw an UnsupportedOperationException here):
// https://github.com/SpigotMC/BungeeCord/blob/a283aaf724d4c9a815540cd32f3aafaa72df9e05/native/src/main/java/net/md_5/bungee/jni/zlib/NativeZlib.java#L43
// This issue could be mitigated down the line by preventing Bungee from setting compression
LocalSession.createDirectByteBufAllocator();
}
@Override

4
bootstrap/spigot/src/main/java/org/geysermc/platform/spigot/GeyserSpigotInjector.java
View file

@ -25,7 +25,6 @@
package org.geysermc.platform.spigot;
import com.github.steveice10.packetlib.io.local.LocalServerChannelWrapper;
import com.viaversion.viaversion.bukkit.handlers.BukkitChannelInitializer;
import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.*;
@ -33,7 +32,8 @@ import io.netty.channel.local.LocalAddress;
import io.netty.util.concurrent.DefaultThreadFactory;
import org.bukkit.Bukkit;
import org.geysermc.connector.bootstrap.GeyserBootstrap;
import org.geysermc.connector.common.GeyserInjector;
import org.geysermc.connector.common.connection.GeyserInjector;
import org.geysermc.connector.common.connection.LocalServerChannelWrapper;
import java.lang.reflect.Field;
import java.lang.reflect.Method;

4
bootstrap/velocity/src/main/java/org/geysermc/platform/velocity/GeyserVelocityInjector.java
View file

@ -25,13 +25,13 @@
package org.geysermc.platform.velocity;
import com.github.steveice10.packetlib.io.local.LocalServerChannelWrapper;
import com.velocitypowered.api.proxy.ProxyServer;
import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.*;
import io.netty.channel.local.LocalAddress;
import org.geysermc.connector.bootstrap.GeyserBootstrap;
import org.geysermc.connector.common.GeyserInjector;
import org.geysermc.connector.common.connection.GeyserInjector;
import org.geysermc.connector.common.connection.LocalServerChannelWrapper;
import java.lang.reflect.Field;
import java.util.function.Supplier;

11
connector/pom.xml
View file

@ -163,15 +163,20 @@
</exclusions>
</dependency>
<dependency>
<groupId>com.github.RednedEpic</groupId>
<artifactId>PacketLib</artifactId>
<version>9d4b476</version>
<groupId>com.github.steveice10</groupId>
<artifactId>packetlib</artifactId>
<version>2.1-SNAPSHOT</version>
<scope>compile</scope>
<exclusions>
<exclusion>
<groupId>io.netty</groupId>
<artifactId>netty-all</artifactId>
</exclusion>
<exclusion>
<!-- This is still experimental - additionally, it could only really benefit standalone -->
<groupId>io.netty.incubator</groupId>
<artifactId>netty-incubator-transport-native-io_uring</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>

18
connector/src/main/java/org/geysermc/connector/GeyserConnector.java
View file

@ -29,6 +29,7 @@ import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.github.steveice10.mc.protocol.MinecraftConstants;
import com.github.steveice10.packetlib.tcp.TcpSession;
import com.nukkitx.network.raknet.RakNetConstants;
import com.nukkitx.network.util.EventLoops;
import com.nukkitx.protocol.bedrock.BedrockServer;
@ -46,12 +47,12 @@ import org.geysermc.connector.configuration.GeyserConfiguration;
import org.geysermc.connector.metrics.Metrics;
import org.geysermc.connector.network.ConnectorServerEventHandler;
import org.geysermc.connector.network.session.GeyserSession;
import org.geysermc.connector.network.translators.chat.MessageTranslator;
import org.geysermc.connector.registry.BlockRegistries;
import org.geysermc.connector.registry.Registries;
import org.geysermc.connector.network.translators.PacketTranslatorRegistry;
import org.geysermc.connector.network.translators.chat.MessageTranslator;
import org.geysermc.connector.network.translators.item.ItemTranslator;
import org.geysermc.connector.network.translators.world.WorldManager;
import org.geysermc.connector.registry.BlockRegistries;
import org.geysermc.connector.registry.Registries;
import org.geysermc.connector.scoreboard.ScoreboardUpdater;
import org.geysermc.connector.skin.FloodgateSkinUploader;
import org.geysermc.connector.utils.*;
@ -70,8 +71,12 @@ import java.net.InetSocketAddress;
import java.net.UnknownHostException;
import java.security.Key;
import java.text.DecimalFormat;
import java.util.*;
import java.util.concurrent.*;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;
import java.util.UUID;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
@ -191,6 +196,9 @@ public class GeyserConnector {
}
}
// Ensure that PacketLib does not create an event loop for handling packets; we'll do that ourselves
TcpSession.USE_EVENT_LOOP_FOR_PACKETS = false;
TimeSyncer timeSyncer = null;
if (config.getRemote().getAuthType() == AuthType.FLOODGATE) {
timeSyncer = new TimeSyncer(Constants.NTP_SERVER);

265
connector/src/main/java/org/geysermc/connector/common/connection/ChannelWrapper.java Normal file
View file

@ -0,0 +1,265 @@
/*
* Copyright (c) 2019-2021 GeyserMC. http://geysermc.org
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @author GeyserMC
* @link https://github.com/GeyserMC/Geyser
*/
package org.geysermc.connector.common.connection;
import io.netty.buffer.ByteBufAllocator;
import io.netty.channel.*;
import io.netty.util.Attribute;
import io.netty.util.AttributeKey;
import java.net.SocketAddress;
public class ChannelWrapper implements Channel {
protected final Channel source;
private volatile SocketAddress remoteAddress;
public ChannelWrapper(Channel channel) {
this.source = channel;
}
@Override
public SocketAddress localAddress() {
return source.localAddress();
}
@Override
public SocketAddress remoteAddress() {
if (remoteAddress == null) {
return source.remoteAddress();
}
return remoteAddress;
}
public void remoteAddress(SocketAddress socketAddress) {
remoteAddress = socketAddress;
}
@Override
public ChannelId id() {
return source.id();
}
@Override
public EventLoop eventLoop() {
return source.eventLoop();
}
@Override
public Channel parent() {
return source.parent();
}
@Override
public ChannelConfig config() {
return source.config();
}
@Override
public boolean isOpen() {
return source.isOpen();
}
@Override
public boolean isRegistered() {
return source.isRegistered();
}
@Override
public boolean isActive() {
return source.isActive();
}
@Override
public ChannelMetadata metadata() {
return source.metadata();
}
@Override
public ChannelFuture closeFuture() {
return source.closeFuture();
}
@Override
public boolean isWritable() {
return source.isWritable();
}
@Override
public long bytesBeforeUnwritable() {
return source.bytesBeforeUnwritable();
}
@Override
public long bytesBeforeWritable() {
return source.bytesBeforeWritable();
}
@Override
public Unsafe unsafe() {
return source.unsafe();
}
@Override
public ChannelPipeline pipeline() {
return source.pipeline();
}
@Override
public ByteBufAllocator alloc() {
return source.alloc();
}
@Override
public ChannelFuture bind(SocketAddress socketAddress) {
return source.bind(socketAddress);
}
@Override
public ChannelFuture connect(SocketAddress socketAddress) {
return source.connect(socketAddress);
}
@Override
public ChannelFuture connect(SocketAddress socketAddress, SocketAddress socketAddress1) {
return source.connect(socketAddress, socketAddress1);
}
@Override
public ChannelFuture disconnect() {
return source.disconnect();
}
@Override
public ChannelFuture close() {
return source.disconnect();
}
@Override
public ChannelFuture deregister() {
return source.deregister();
}
@Override
public ChannelFuture bind(SocketAddress socketAddress, ChannelPromise channelPromise) {
return source.bind(socketAddress, channelPromise);
}
@Override
public ChannelFuture connect(SocketAddress socketAddress, ChannelPromise channelPromise) {
return source.connect(socketAddress, channelPromise);
}
@Override
public ChannelFuture connect(SocketAddress socketAddress, SocketAddress socketAddress1, ChannelPromise channelPromise) {
return source.connect(socketAddress, socketAddress1, channelPromise);
}
@Override
public ChannelFuture disconnect(ChannelPromise channelPromise) {
return source.disconnect(channelPromise);
}
@Override
public ChannelFuture close(ChannelPromise channelPromise) {
return source.close(channelPromise);
}
@Override
public ChannelFuture deregister(ChannelPromise channelPromise) {
return source.deregister(channelPromise);
}
@Override
public Channel read() {
source.read();
return this;
}
@Override
public ChannelFuture write(Object o) {
return source.write(o);
}
@Override
public ChannelFuture write(Object o, ChannelPromise channelPromise) {
return source.write(o, channelPromise);
}
@Override
public Channel flush() {
return source.flush();
}
@Override
public ChannelFuture writeAndFlush(Object o, ChannelPromise channelPromise) {
return source.writeAndFlush(o, channelPromise);
}
@Override
public ChannelFuture writeAndFlush(Object o) {
return source.writeAndFlush(o);
}
@Override
public ChannelPromise newPromise() {
return source.newPromise();
}
@Override
public ChannelProgressivePromise newProgressivePromise() {
return source.newProgressivePromise();
}
@Override
public ChannelFuture newSucceededFuture() {
return source.newSucceededFuture();
}
@Override
public ChannelFuture newFailedFuture(Throwable throwable) {
return source.newFailedFuture(throwable);
}
@Override
public ChannelPromise voidPromise() {
return source.voidPromise();
}
@Override
public <T> Attribute<T> attr(AttributeKey<T> attributeKey) {
return source.attr(attributeKey);
}
@Override
public <T> boolean hasAttr(AttributeKey<T> attributeKey) {
return source.hasAttr(attributeKey);
}
@Override
public int compareTo(Channel o) {
return source.compareTo(o);
}
}

38
connector/src/main/java/org/geysermc/connector/common/connection/DefaultChannelPipelinePublic.java Normal file
View file

@ -0,0 +1,38 @@
/*
* Copyright (c) 2019-2021 GeyserMC. http://geysermc.org
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @author GeyserMC
* @link https://github.com/GeyserMC/Geyser
*/
package org.geysermc.connector.common.connection;
import io.netty.channel.Channel;
import io.netty.channel.DefaultChannelPipeline;
/**
* Exists solely to make DefaultChannelPipeline's protected constructor public
*/
public class DefaultChannelPipelinePublic extends DefaultChannelPipeline {
public DefaultChannelPipelinePublic(Channel channel) {
super(channel);
}
}

3
connector/src/main/java/org/geysermc/connector/common/GeyserInjector.java → connector/src/main/java/org/geysermc/connector/common/connection/GeyserInjector.java
View file

@ -23,7 +23,7 @@
* @link https://github.com/GeyserMC/Geyser
*/
package org.geysermc.connector.common;
package org.geysermc.connector.common.connection;
import io.netty.channel.ChannelFuture;
import lombok.Getter;
@ -47,7 +47,6 @@ public abstract class GeyserInjector {
protected SocketAddress serverSocketAddress;
/**
*
* @param bootstrap the bootstrap of the Geyser instance.
*/
public void initializeLocalChannel(GeyserBootstrap bootstrap) {

45
connector/src/main/java/org/geysermc/connector/common/connection/LocalChannelWithRemoteAddress.java Normal file
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@ -0,0 +1,45 @@
/*
* Copyright (c) 2019-2021 GeyserMC. http://geysermc.org
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @author GeyserMC
* @link https://github.com/GeyserMC/Geyser
*/
package org.geysermc.connector.common.connection;
import io.netty.channel.local.LocalChannel;
import java.net.InetSocketAddress;
/**
* Client -> server storing the spoofed remote address.
*/
public class LocalChannelWithRemoteAddress extends LocalChannel {
private InetSocketAddress spoofedAddress;
public InetSocketAddress spoofedRemoteAddress() {
return spoofedAddress;
}
public void spoofedRemoteAddress(InetSocketAddress socketAddress) {
this.spoofedAddress = socketAddress;
}
}

70
connector/src/main/java/org/geysermc/connector/common/connection/LocalChannelWrapper.java Normal file
View file

@ -0,0 +1,70 @@
/*
* Copyright (c) 2019-2021 GeyserMC. http://geysermc.org
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @author GeyserMC
* @link https://github.com/GeyserMC/Geyser
*/
package org.geysermc.connector.common.connection;
import io.netty.channel.DefaultChannelPipeline;
import io.netty.channel.local.LocalChannel;
import io.netty.channel.local.LocalServerChannel;
import java.net.InetSocketAddress;
public class LocalChannelWrapper extends LocalChannel {
private final ChannelWrapper wrapper;
/**
* {@link #newChannelPipeline()} is called during super, so this exists until the wrapper can be initialized.
*/
private volatile ChannelWrapper tempWrapper;
public LocalChannelWrapper() {
wrapper = new ChannelWrapper(this);
}
public LocalChannelWrapper(LocalServerChannel parent, LocalChannel peer) {
super(parent, peer);
if (tempWrapper == null) {
this.wrapper = new ChannelWrapper(this);
} else {
this.wrapper = tempWrapper;
}
wrapper.remoteAddress(new InetSocketAddress(0));
}
public ChannelWrapper wrapper() {
return wrapper;
}
@Override
protected DefaultChannelPipeline newChannelPipeline() {
if (wrapper != null) {
return new DefaultChannelPipelinePublic(wrapper);
} else if (tempWrapper != null) {
return new DefaultChannelPipelinePublic(tempWrapper);
} else {
tempWrapper = new ChannelWrapper(this);
return new DefaultChannelPipelinePublic(tempWrapper);
}
}
}

46
connector/src/main/java/org/geysermc/connector/common/connection/LocalServerChannelWrapper.java Normal file
View file

@ -0,0 +1,46 @@
/*
* Copyright (c) 2019-2021 GeyserMC. http://geysermc.org
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @author GeyserMC
* @link https://github.com/GeyserMC/Geyser
*/
package org.geysermc.connector.common.connection;
import io.netty.channel.local.LocalChannel;
import io.netty.channel.local.LocalServerChannel;
/**
* If the incoming channel if an instance of LocalChannelWithRemoteAddress, this server creates a LocalChannelWrapper
* for the other end and attaches the spoofed remote address
*/
public class LocalServerChannelWrapper extends LocalServerChannel {
@Override
protected LocalChannel newLocalChannel(LocalChannel peer) {
// LocalChannel here should be an instance of LocalChannelWithRemoteAddress, which we can use to set the "remote address" on the other end
if (peer instanceof LocalChannelWithRemoteAddress) {
LocalChannelWrapper channel = new LocalChannelWrapper(this, peer);
channel.wrapper().remoteAddress(((LocalChannelWithRemoteAddress) peer).spoofedRemoteAddress());
return channel;
}
return super.newLocalChannel(peer);
}
}

142
connector/src/main/java/org/geysermc/connector/common/connection/LocalSession.java Normal file
View file

@ -0,0 +1,142 @@
/*
* Copyright (c) 2019-2021 GeyserMC. http://geysermc.org
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @author GeyserMC
* @link https://github.com/GeyserMC/Geyser
*/
package org.geysermc.connector.common.connection;
import com.github.steveice10.packetlib.BuiltinFlags;
import com.github.steveice10.packetlib.packet.PacketProtocol;
import com.github.steveice10.packetlib.tcp.*;
import io.netty.bootstrap.Bootstrap;
import io.netty.buffer.ByteBufAllocator;
import io.netty.channel.*;
import io.netty.channel.unix.PreferredDirectByteBufAllocator;
import io.netty.handler.codec.haproxy.*;
import java.net.Inet4Address;
import java.net.InetSocketAddress;
import java.net.SocketAddress;
/**
* Manages a Minecraft Java session over our LocalChannel implementations.
*/
public final class LocalSession extends TcpSession {
private static DefaultEventLoopGroup DEFAULT_EVENT_LOOP_GROUP;
private static PreferredDirectByteBufAllocator PREFERRED_DIRECT_BYTE_BUF_ALLOCATOR = null;
private final SocketAddress targetAddress;
private final String clientIp;
public LocalSession(String host, int port, SocketAddress targetAddress, String clientIp, PacketProtocol protocol) {
super(host, port, protocol);
this.targetAddress = targetAddress;
this.clientIp = clientIp;
}
@Override
public void connect() {
if (this.disconnected) {
throw new IllegalStateException("Session has already been disconnected.");
}
if (DEFAULT_EVENT_LOOP_GROUP == null) {
DEFAULT_EVENT_LOOP_GROUP = new DefaultEventLoopGroup();
}
try {
final Bootstrap bootstrap = new Bootstrap();
bootstrap.channel(LocalChannelWithRemoteAddress.class);
bootstrap.handler(new ChannelInitializer<LocalChannelWithRemoteAddress>() {
@Override
public void initChannel(LocalChannelWithRemoteAddress channel) {
channel.spoofedRemoteAddress(new InetSocketAddress(clientIp, 0));
getPacketProtocol().newClientSession(LocalSession.this);
refreshReadTimeoutHandler(channel);
refreshWriteTimeoutHandler(channel);
ChannelPipeline pipeline = channel.pipeline();
pipeline.addLast("encryption", new TcpPacketEncryptor(LocalSession.this));
pipeline.addLast("sizer", new TcpPacketSizer(LocalSession.this));
pipeline.addLast("codec", new TcpPacketCodec(LocalSession.this));
pipeline.addLast("manager", LocalSession.this);
addHAProxySupport(pipeline);
}
}).group(DEFAULT_EVENT_LOOP_GROUP).option(ChannelOption.CONNECT_TIMEOUT_MILLIS, getConnectTimeout() * 1000);
if (PREFERRED_DIRECT_BYTE_BUF_ALLOCATOR != null) {
bootstrap.option(ChannelOption.ALLOCATOR, PREFERRED_DIRECT_BYTE_BUF_ALLOCATOR);
}
bootstrap.remoteAddress(targetAddress);
bootstrap.connect().addListener((future) -> {
if (!future.isSuccess()) {
exceptionCaught(null, future.cause());
}
});
} catch(Throwable t) {
exceptionCaught(null, t);
}
}
// TODO duplicate code
private void addHAProxySupport(ChannelPipeline pipeline) {
InetSocketAddress clientAddress = getFlag(BuiltinFlags.CLIENT_PROXIED_ADDRESS);
if (getFlag(BuiltinFlags.ENABLE_CLIENT_PROXY_PROTOCOL, false) && clientAddress != null) {
pipeline.addFirst("proxy-protocol-packet-sender", new ChannelInboundHandlerAdapter() {
@Override
public void channelActive(ChannelHandlerContext ctx) throws Exception {
HAProxyProxiedProtocol proxiedProtocol = clientAddress.getAddress() instanceof Inet4Address ? HAProxyProxiedProtocol.TCP4 : HAProxyProxiedProtocol.TCP6;
InetSocketAddress remoteAddress;
if (ctx.channel().remoteAddress() instanceof InetSocketAddress) {
remoteAddress = (InetSocketAddress) ctx.channel().remoteAddress();
} else {
remoteAddress = new InetSocketAddress(host, port);
}
ctx.channel().writeAndFlush(new HAProxyMessage(
HAProxyProtocolVersion.V2, HAProxyCommand.PROXY, proxiedProtocol,
clientAddress.getAddress().getHostAddress(), remoteAddress.getAddress().getHostAddress(),
clientAddress.getPort(), remoteAddress.getPort()
));
ctx.pipeline().remove(this);
ctx.pipeline().remove("proxy-protocol-encoder");
super.channelActive(ctx);
}
});
pipeline.addFirst("proxy-protocol-encoder", HAProxyMessageEncoder.INSTANCE);
}
}
/**
* Should only be called when direct ByteBufs should be preferred. At this moment, this should only be called on BungeeCord.
*/
public static void createDirectByteBufAllocator() {
if (PREFERRED_DIRECT_BYTE_BUF_ALLOCATOR == null) {
PREFERRED_DIRECT_BYTE_BUF_ALLOCATOR = new PreferredDirectByteBufAllocator();
PREFERRED_DIRECT_BYTE_BUF_ALLOCATOR.updateAllocator(ByteBufAllocator.DEFAULT);
}
}
}

34
connector/src/main/java/org/geysermc/connector/network/session/GeyserSession.java
View file

@ -50,6 +50,7 @@ import com.github.steveice10.packetlib.BuiltinFlags;
import com.github.steveice10.packetlib.event.session.*;
import com.github.steveice10.packetlib.packet.Packet;
import com.github.steveice10.packetlib.tcp.TcpClientSession;
import com.github.steveice10.packetlib.tcp.TcpSession;
import com.nukkitx.math.GenericMath;
import com.nukkitx.math.vector.*;
import com.nukkitx.protocol.bedrock.BedrockPacket;
@ -76,6 +77,7 @@ import org.geysermc.common.PlatformType;
import org.geysermc.connector.GeyserConnector;
import org.geysermc.connector.command.CommandSender;
import org.geysermc.connector.common.AuthType;
import org.geysermc.connector.common.connection.LocalSession;
import org.geysermc.connector.configuration.EmoteOffhandWorkaroundOption;
import org.geysermc.connector.entity.Entity;
import org.geysermc.connector.entity.ItemFrameEntity;
@ -123,7 +125,7 @@ public class GeyserSession implements CommandSender {
* If this is manually called, ensure that any exceptions are properly handled.
*/
private final EventLoop eventLoop;
private TcpClientSession downstream;
private TcpSession downstream;
@Setter
private AuthData authData;
@Setter
@ -715,8 +717,14 @@ public class GeyserSession implements CommandSender {
// Start ticking
tickThread = eventLoop.scheduleAtFixedRate(this::tick, 50, 50, TimeUnit.MILLISECONDS);
downstream = new TcpClientSession(this.remoteAddress, this.remotePort, protocol);
if (connector.getBootstrap().getSocketAddress() != null) {
// We're going to connect through the JVM and not through TCP
downstream = new LocalSession(this.remoteAddress, this.remotePort,
connector.getBootstrap().getSocketAddress(), upstream.getAddress().getAddress().getHostAddress(), this.protocol);
} else {
downstream = new TcpClientSession(this.remoteAddress, this.remotePort, this.protocol);
disableSrvResolving();
}
if (connector.getConfig().getRemote().isUseProxyProtocol()) {
downstream.setFlag(BuiltinFlags.ENABLE_CLIENT_PROXY_PROTOCOL, true);
downstream.setFlag(BuiltinFlags.CLIENT_PROXIED_ADDRESS, upstream.getAddress());
@ -793,7 +801,7 @@ public class GeyserSession implements CommandSender {
loggingIn = false;
loggedIn = true;
if (downstream.isInternallyConnecting()) {
if (downstream instanceof LocalSession) {
// Connected directly to the server
connector.getLogger().info(LanguageUtils.getLocaleStringLog("geyser.network.remote.connect_internal",
authData.getName(), protocol.getProfile().getName()));
@ -860,7 +868,7 @@ public class GeyserSession implements CommandSender {
disconnectMessage = MessageTranslator.convertMessageLenient(event.getReason());
}
if (downstream != null && downstream.isInternallyConnecting()) {
if (downstream instanceof LocalSession) {
connector.getLogger().info(LanguageUtils.getLocaleStringLog("geyser.network.remote.disconnect_internal", authData.getName(), disconnectMessage));
} else {
connector.getLogger().info(LanguageUtils.getLocaleStringLog("geyser.network.remote.disconnect", authData.getName(), remoteAddress, disconnectMessage));
@ -890,27 +898,9 @@ public class GeyserSession implements CommandSender {
if (!daylightCycle) {
setDaylightCycle(true);
}
boolean internalConnect = false;
if (connector.getBootstrap().getSocketAddress() != null) {
try {
// Only affects Waterfall, but there is no sure way to differentiate between a proxy with this patch and a proxy without this patch
// Patch causing the issue: https://github.com/PaperMC/Waterfall/blob/7e6af4cef64d5d377a6ffd00a534379e6efa94cf/BungeeCord-Patches/0045-Don-t-use-a-bytebuf-for-packet-decoding.patch
// If native compression is enabled, then this line is tripped up if a heap buffer is sent over in such a situation
// as a new direct buffer is not created with that patch (HeapByteBufs throw an UnsupportedOperationException here):
// https://github.com/SpigotMC/BungeeCord/blob/a283aaf724d4c9a815540cd32f3aafaa72df9e05/native/src/main/java/net/md_5/bungee/jni/zlib/NativeZlib.java#L43
// This issue could be mitigated down the line by preventing Bungee from setting compression
downstream.setFlag(BuiltinFlags.USE_ONLY_DIRECT_BUFFERS, connector.getPlatformType() == PlatformType.BUNGEECORD);
downstream.connectInternal(connector.getBootstrap().getSocketAddress(), upstream.getAddress().getAddress().getHostAddress());
internalConnect = true;
} catch (Exception e) {
e.printStackTrace();
}
}
if (!internalConnect) {
downstream.connect();
}
}
public void disconnect(String reason) {
if (!closed) {