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#3563: Correct max string length for reading SystemChat packets

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md_5 2023-11-13 20:09:48 +13:00
parent 16298a75f2
commit 0925c06f9b
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2 changed files with 7 additions and 2 deletions
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7
protocol/src/main/java/net/md_5/bungee/protocol/DefinedPacket.java
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@ -79,6 +79,11 @@ public abstract class DefinedPacket
} }
public static BaseComponent readBaseComponent(ByteBuf buf, int protocolVersion) public static BaseComponent readBaseComponent(ByteBuf buf, int protocolVersion)
{
return readBaseComponent( buf, Short.MAX_VALUE, protocolVersion );
}
public static BaseComponent readBaseComponent(ByteBuf buf, int maxStringLength, int protocolVersion)
{ {
if ( protocolVersion >= ProtocolConstants.MINECRAFT_1_20_3 ) if ( protocolVersion >= ProtocolConstants.MINECRAFT_1_20_3 )
{ {
@ -88,7 +93,7 @@ public abstract class DefinedPacket
return ComponentSerializer.deserialize( json ); return ComponentSerializer.deserialize( json );
} else } else
{ {
String string = readString( buf ); String string = readString( buf, maxStringLength );
return ComponentSerializer.deserialize( string ); return ComponentSerializer.deserialize( string );
} }

2
protocol/src/main/java/net/md_5/bungee/protocol/packet/SystemChat.java
View File

@ -24,7 +24,7 @@ public class SystemChat extends DefinedPacket
@Override @Override
public void read(ByteBuf buf, ProtocolConstants.Direction direction, int protocolVersion) public void read(ByteBuf buf, ProtocolConstants.Direction direction, int protocolVersion)
{ {
message = readBaseComponent( buf, protocolVersion ); message = readBaseComponent( buf, 262144, protocolVersion );
position = ( protocolVersion >= ProtocolConstants.MINECRAFT_1_19_1 ) ? ( ( buf.readBoolean() ) ? ChatMessageType.ACTION_BAR.ordinal() : 0 ) : readVarInt( buf ); position = ( protocolVersion >= ProtocolConstants.MINECRAFT_1_19_1 ) ? ( ( buf.readBoolean() ) ? ChatMessageType.ACTION_BAR.ordinal() : 0 ) : readVarInt( buf );
} }