mirror of
https://github.com/PaperMC/Waterfall.git
synced 2024-11-16 07:15:14 +01:00
85c0a35f0b
Upstream has released updates that appears to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing BungeeCord Changes: 6613aaea Add test fix for library classes being visible to non-dependent plugins 53ce6b93 #3200: Fix protocol for 21w40a d8e29384 #2466: Use switch in "BungeeCord" plugin message handling 5cf869df #3198: Remove terminally deprecated SecurityManager f26f7d88 Add optional 1.18 (21w40a) snapshot protocol support
58 lines
2.5 KiB
Diff
58 lines
2.5 KiB
Diff
From a74bf9b63a72510f15b4a3aec96d28209348538b Mon Sep 17 00:00:00 2001
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From: Techcable <Techcable@techcable.net>
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Date: Thu, 4 Aug 2016 19:30:49 -0700
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Subject: [PATCH] Dump the raw hex of a packet on a decoding error
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diff --git a/protocol/src/main/java/net/md_5/bungee/protocol/MinecraftDecoder.java b/protocol/src/main/java/net/md_5/bungee/protocol/MinecraftDecoder.java
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index 5e03e175..961887c9 100644
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--- a/protocol/src/main/java/net/md_5/bungee/protocol/MinecraftDecoder.java
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+++ b/protocol/src/main/java/net/md_5/bungee/protocol/MinecraftDecoder.java
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@@ -1,7 +1,9 @@
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package net.md_5.bungee.protocol;
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import io.netty.buffer.ByteBuf;
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+import io.netty.buffer.ByteBufUtil;
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import io.netty.channel.ChannelHandlerContext;
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+import io.netty.handler.codec.DecoderException;
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import io.netty.handler.codec.MessageToMessageDecoder;
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import java.util.List;
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import lombok.AllArgsConstructor;
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@@ -38,13 +40,16 @@ public class MinecraftDecoder extends MessageToMessageDecoder<ByteBuf>
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Protocol.DirectionData prot = ( server ) ? protocol.TO_SERVER : protocol.TO_CLIENT;
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ByteBuf slice = in.copy(); // Can't slice this one due to EntityMap :(
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+ Object packetTypeInfo = null;
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try
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{
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int packetId = DefinedPacket.readVarInt( in );
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+ packetTypeInfo = packetId;
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DefinedPacket packet = prot.createPacket( packetId, protocolVersion, supportsForge );
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if ( packet != null )
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{
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+ packetTypeInfo = packet.getClass();
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packet.read( in, prot.getDirection(), protocolVersion );
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if ( in.isReadable() )
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@@ -58,6 +63,16 @@ public class MinecraftDecoder extends MessageToMessageDecoder<ByteBuf>
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out.add( new PacketWrapper( packet, slice ) );
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slice = null;
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+ } catch (BadPacketException | IndexOutOfBoundsException e) {
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+ final String packetTypeStr;
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+ if (packetTypeInfo instanceof Integer) {
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+ packetTypeStr = "id " + Integer.toHexString((Integer) packetTypeInfo);
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+ } else if (packetTypeInfo instanceof Class) {
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+ packetTypeStr = "class " + ((Class) packetTypeInfo).getSimpleName();
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+ } else {
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+ packetTypeStr = "unknown";
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+ }
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+ throw new DecoderException("Error decoding packet " + packetTypeStr + " with contents:\n" + ByteBufUtil.prettyHexDump(slice), e);
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} finally
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{
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if ( slice != null )
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--
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2.30.1 (Apple Git-130)
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