From 40a768135890f48c84acff7938fa39f933352787 Mon Sep 17 00:00:00 2001
From: Zach Toogood <zrtoogood@gmail.com>
Date: Thu, 19 Oct 2023 15:14:41 +0100
Subject: [PATCH] [core] Allow external modification of packet guard allow list

---
 modules/renamer/cpp/renamer.cpp | 8 +++++++-
 src/map/packet_guard.cpp        | 5 +++++
 src/map/packet_guard.h          | 2 ++
 3 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/modules/renamer/cpp/renamer.cpp b/modules/renamer/cpp/renamer.cpp
index 36d06d59995..9c7946eef40 100644
--- a/modules/renamer/cpp/renamer.cpp
+++ b/modules/renamer/cpp/renamer.cpp
@@ -1,4 +1,5 @@
-#include "../src/map/utils/moduleutils.h"
+#include "../src/map/packet_guard.h"
+#include "../src/map/utils/moduleutils.h"
 #include "../src/map/zone.h"
 
 extern uint8                                                                             PacketSize[512];
@@ -87,6 +88,11 @@ class RenamerModule : public CPPModule
 
             SendListPacket(PChar, dataString);
         };
+
+        // Add new possible packet to PacketGuard allow list
+        auto& allowList = PacketGuard::GetPacketAllowList();
+
+        allowList[SUBSTATE_IN_CS][0x01] = true;
     }
 };
 
diff --git a/src/map/packet_guard.cpp b/src/map/packet_guard.cpp
index 9c0624dc6aa..3aff3a1ee31 100644
--- a/src/map/packet_guard.cpp
+++ b/src/map/packet_guard.cpp
@@ -136,4 +136,9 @@ namespace PacketGuard
         output += "=======================================\n";
         ShowInfo(output);
     }
+
+    auto GetPacketAllowList() -> std::unordered_map<CHAR_SUBSTATE, std::unordered_map<uint16, bool>>&
+    {
+        return allowList;
+    }
 } // namespace PacketGuard
diff --git a/src/map/packet_guard.h b/src/map/packet_guard.h
index 85054cf7f3b..a92b87d24c3 100644
--- a/src/map/packet_guard.h
+++ b/src/map/packet_guard.h
@@ -13,6 +13,8 @@ namespace PacketGuard
     bool PacketIsValidForPlayerState(CCharEntity* PChar, uint16 SmallPD_Type);
     bool IsRateLimitedPacket(CCharEntity* PChar, uint16 SmallPD_Type);
     void PrintPacketList(CCharEntity* PChar);
+
+    auto GetPacketAllowList() -> std::unordered_map<CHAR_SUBSTATE, std::unordered_map<uint16, bool>>&;
 } // namespace PacketGuard
 
 #endif // _PACKETGUARD_H