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fix: Fixes packet length checks (#953)

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Fixes an issue with DropReq where an old client was sending in 14 bytes, but the server was expecting 15 bytes.

To fix this we introduced a new packet handler, `ContainerGridPacketHandler` and changed the code to determine the length of the packet dynamically using `GetLength(NetState)`.

Also fixed throttling so dropped packets are properly skipped.
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Kamron Batman 2022-03-04 12:32:25 -08:00 • committed by GitHub
parent 1f4162288e
commit 58b907d39e
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30 changed files with 1077 additions and 1126 deletions
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Projects/UOContent/Engines/Chat/ChatPackets.cs
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@ -27,7 +27,7 @@ namespace Server.Engines.Chat
IncomingPackets.Register(0xB3, 0, true, ChatAction);
}
public static void OpenChatWindowRequest(NetState state, CircularBufferReader reader, ref int packetLength)
public static void OpenChatWindowRequest(NetState state, CircularBufferReader reader, int packetLength)
{
var from = state.Mobile;
@ -48,7 +48,7 @@ namespace Server.Engines.Chat
ChatUser.AddChatUser(from, chatName);
}
public static void ChatAction(NetState state, CircularBufferReader reader, ref int packetLength)
public static void ChatAction(NetState state, CircularBufferReader reader, int packetLength)
{
if (!ChatSystem.Enabled)
{