Waterfall/BungeeCord-Patches/0010-Don-t-access-a-ByteBuf-s-underlying-array.patch

From e53d8ec67e3c51e7b0f4efe1ce0bbf23c7292433 Mon Sep 17 00:00:00 2001
From: Techcable <Techcable@techcable.net>
Date: Tue, 3 May 2016 20:31:52 -0700
Subject: [PATCH] Don't access a ByteBuf's underlying array

It returns the underlying array storage, and does *not* return a view of the buffer as an array

diff --git a/protocol/src/main/java/net/md_5/bungee/protocol/packet/PluginMessage.java b/protocol/src/main/java/net/md_5/bungee/protocol/packet/PluginMessage.java
index a71cc710..0e06b49d 100644
--- a/protocol/src/main/java/net/md_5/bungee/protocol/packet/PluginMessage.java
+++ b/protocol/src/main/java/net/md_5/bungee/protocol/packet/PluginMessage.java
@@ -3,6 +3,7 @@ package net.md_5.bungee.protocol.packet;
 import com.google.common.base.Function;
 import com.google.common.base.Preconditions;
 import com.google.common.base.Predicate;
+import io.netty.buffer.ByteBufUtil;
 import net.md_5.bungee.protocol.DefinedPacket;
 import io.netty.buffer.ByteBuf;
 import java.io.ByteArrayInputStream;
@@ -56,10 +57,23 @@ public class PluginMessage extends DefinedPacket
             return ( input.getTag().equals( "REGISTER" ) || input.getTag().equals( "minecraft:register" ) || input.getTag().equals( "MC|Brand" ) || input.getTag().equals( "minecraft:brand" ) ) && input.getData().length < Byte.MAX_VALUE;
         }
     };
-    //
+
+    public PluginMessage(String tag, ByteBuf data, boolean allowExtendedPacket) {
+        this(tag, ByteBufUtil.getBytes(data), allowExtendedPacket);
+    }
+
     private String tag;
     private byte[] data;
 
+    public void setData(byte[] data) {
+        this.data = Preconditions.checkNotNull(data, "Null data");
+    }
+
+    public void setData(ByteBuf buf) {
+        Preconditions.checkNotNull(buf, "Null buffer");
+        setData(ByteBufUtil.getBytes(buf));
+    }
+
     /**
      * Allow this packet to be sent as an "extended" packet.
      */
diff --git a/proxy/src/main/java/net/md_5/bungee/ServerConnector.java b/proxy/src/main/java/net/md_5/bungee/ServerConnector.java
index d81cda98..29245c94 100644
--- a/proxy/src/main/java/net/md_5/bungee/ServerConnector.java
+++ b/proxy/src/main/java/net/md_5/bungee/ServerConnector.java
@@ -214,7 +214,7 @@ public class ServerConnector extends PacketHandler
 
             ByteBuf brand = ByteBufAllocator.DEFAULT.heapBuffer();
             DefinedPacket.writeString( bungee.getName() + " (" + bungee.getVersion() + ")", brand );
-            user.unsafe().sendPacket( new PluginMessage( user.getPendingConnection().getVersion() >= ProtocolConstants.MINECRAFT_1_13 ? "minecraft:brand" : "MC|Brand", DefinedPacket.toArray( brand ), handshakeHandler.isServerForge() ) );
+            user.unsafe().sendPacket( new PluginMessage( user.getPendingConnection().getVersion() >= ProtocolConstants.MINECRAFT_1_13 ? "minecraft:brand" : "MC|Brand", brand, handshakeHandler.isServerForge() ) );
             brand.release();
 
             user.setDimension( login.getDimension() );
diff --git a/proxy/src/main/java/net/md_5/bungee/connection/DownstreamBridge.java b/proxy/src/main/java/net/md_5/bungee/connection/DownstreamBridge.java
index 22a5ac05..d4c58098 100644
--- a/proxy/src/main/java/net/md_5/bungee/connection/DownstreamBridge.java
+++ b/proxy/src/main/java/net/md_5/bungee/connection/DownstreamBridge.java
@@ -242,7 +242,7 @@ public class DownstreamBridge extends PacketHandler
 
             brand = ByteBufAllocator.DEFAULT.heapBuffer();
             DefinedPacket.writeString( bungee.getName() + " (" + bungee.getVersion() + ")" + " <- " + serverBrand, brand );
-            pluginMessage.setData( DefinedPacket.toArray( brand ) );
+            pluginMessage.setData( brand );
             brand.release();
             // changes in the packet are ignored so we need to send it manually
             con.unsafe().sendPacket( pluginMessage );
diff --git a/proxy/src/main/java/net/md_5/bungee/netty/PipelineUtils.java b/proxy/src/main/java/net/md_5/bungee/netty/PipelineUtils.java
index ffee7062..09486b4a 100644
--- a/proxy/src/main/java/net/md_5/bungee/netty/PipelineUtils.java
+++ b/proxy/src/main/java/net/md_5/bungee/netty/PipelineUtils.java
@@ -42,9 +42,9 @@ import net.md_5.bungee.protocol.Varint21LengthFieldPrepender;
 public class PipelineUtils
 {
 
-    public static final AttributeKey<ListenerInfo> LISTENER = AttributeKey.valueOf( "ListerInfo" );
-    public static final AttributeKey<UserConnection> USER = AttributeKey.valueOf( "User" );
-    public static final AttributeKey<BungeeServerInfo> TARGET = AttributeKey.valueOf( "Target" );
+    public static final AttributeKey<ListenerInfo> LISTENER = AttributeKey.newInstance("ListerInfo");
+    public static final AttributeKey<UserConnection> USER = AttributeKey.newInstance("User");
+    public static final AttributeKey<BungeeServerInfo> TARGET = AttributeKey.newInstance("Target");
     public static final ChannelInitializer<Channel> SERVER_CHILD = new ChannelInitializer<Channel>()
     {
         @Override
-- 
2.19.1