From eb3036fae748fa49706e5c304e3a2036d4aa033e Mon Sep 17 00:00:00 2001
From: hondacrx <prelude_20032002@yahoo.com>
Date: Wed, 5 Jan 2022 17:37:45 -0500
Subject: [PATCH] Core/PacketIO: Restrict CMSG_STANDSTATECHANGE to only allow
 the same stand states that client can send by itself

Port From (https://github.com/TrinityCore/TrinityCore/commit/22987b705b150590f300240cd0309ac88bd902d5)
---
 Source/Game/Handlers/CharacterHandler.cs | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/Source/Game/Handlers/CharacterHandler.cs b/Source/Game/Handlers/CharacterHandler.cs
index f578f20a8..a4875dd41 100644
--- a/Source/Game/Handlers/CharacterHandler.cs
+++ b/Source/Game/Handlers/CharacterHandler.cs
@@ -2467,6 +2467,17 @@ namespace Game
         [WorldPacketHandler(ClientOpcodes.StandStateChange)]
         void HandleStandStateChange(StandStateChange packet)
         {
+            switch (packet.StandState)
+            {
+                case UnitStandStateType.Stand:
+                case UnitStandStateType.Sit:
+                case UnitStandStateType.Sleep:
+                case UnitStandStateType.Kneel:
+                    break;
+                default:
+                    return;
+            }
+
             GetPlayer().SetStandState(packet.StandState);
         }