mirror of
https://github.com/PaperMC/Waterfall.git
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63 lines
2.5 KiB
Diff
63 lines
2.5 KiB
Diff
From 4de2289a69e998b32e548dc57e4819cd138e1611 Mon Sep 17 00:00:00 2001
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From: kashike <kashike@vq.lc>
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Date: Wed, 20 Mar 2019 21:39:12 -0700
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Subject: [PATCH] Use proper max length for serverbound chat packet
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diff --git a/protocol/src/main/java/net/md_5/bungee/protocol/DefinedPacket.java b/protocol/src/main/java/net/md_5/bungee/protocol/DefinedPacket.java
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index 0cef9430..d51a3142 100644
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--- a/protocol/src/main/java/net/md_5/bungee/protocol/DefinedPacket.java
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+++ b/protocol/src/main/java/net/md_5/bungee/protocol/DefinedPacket.java
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@@ -56,6 +56,20 @@ public abstract class DefinedPacket
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return s;
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}
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+ // Waterfall start
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+ public static void writeString(String s, final int maxLength, ByteBuf buf)
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+ {
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+ if ( s.length() > maxLength )
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+ {
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+ throw new OverflowPacketException( String.format( "Cannot send string longer than %s (got %s characters)", maxLength, s.length() ) );
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+ }
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+
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+ byte[] b = s.getBytes( Charsets.UTF_8 );
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+ writeVarInt( b.length, buf );
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+ buf.writeBytes( b );
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+ }
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+ // Waterfall end
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+
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public static void writeArray(byte[] b, ByteBuf buf)
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{
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if ( b.length > Short.MAX_VALUE )
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diff --git a/protocol/src/main/java/net/md_5/bungee/protocol/packet/Chat.java b/protocol/src/main/java/net/md_5/bungee/protocol/packet/Chat.java
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index 7a0a1ce7..828a5dbe 100644
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--- a/protocol/src/main/java/net/md_5/bungee/protocol/packet/Chat.java
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+++ b/protocol/src/main/java/net/md_5/bungee/protocol/packet/Chat.java
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@@ -40,6 +40,11 @@ public class Chat extends DefinedPacket
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@Override
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public void read(ByteBuf buf, ProtocolConstants.Direction direction, int protocolVersion)
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{
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+ // Waterfall start
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+ if (direction == ProtocolConstants.Direction.TO_CLIENT) {
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+ this.message = readString(buf, Short.MAX_VALUE * 8 + 8);
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+ } else
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+ // Waterfall end
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message = readString( buf );
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if ( direction == ProtocolConstants.Direction.TO_CLIENT )
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{
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@@ -54,6 +59,11 @@ public class Chat extends DefinedPacket
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@Override
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public void write(ByteBuf buf, ProtocolConstants.Direction direction, int protocolVersion)
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{
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+ // Waterfall start
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+ if (direction == ProtocolConstants.Direction.TO_CLIENT) {
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+ writeString(this.message, Short.MAX_VALUE * 8 + 8, buf);
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+ } else
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+ // Waterfall end
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writeString( message, buf );
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if ( direction == ProtocolConstants.Direction.TO_CLIENT )
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{
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--
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2.30.0
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