init

2024-01-24 10:45:25 +01:00
commit bcdbe48523
267 changed files with 39510 additions and 0 deletions
@@ -0,0 +1,51 @@
+#include <std_include.hpp>
+#include "loader/component_loader.hpp"
+#include "game/game.hpp"
+
+#include "console.hpp"
+
+#include <utils/hook.hpp>
+
+namespace security
+{
+	namespace
+	{
+		void set_cached_playerdata_stub(const int localclient, const int index1, const int index2)
+		{
+			if (index1 >= 0 && index1 < 18 && index2 >= 0 && index2 < 42)
+			{
+				reinterpret_cast<void(*)(int, int, int)>(0x1405834B0)(localclient, index1, index2);
+			}
+		}
+
+		void sv_execute_client_message_stub(game::mp::client_t* client, game::msg_t* msg)
+		{
+			if ((client->reliableSequence - client->reliableAcknowledge) < 0)
+			{
+				client->reliableAcknowledge = client->reliableSequence;
+				console::info("Negative reliableAcknowledge from %s - cl->reliableSequence is %i, reliableAcknowledge is %i\n",
+				              client->name, client->reliableSequence, client->reliableAcknowledge);
+				return;
+			}
+
+			utils::hook::invoke<void>(0x140472500, client, msg);
+		}
+	}
+
+	class component final : public component_interface
+	{
+	public:
+		void post_unpack() override
+		{
+			if (game::environment::is_sp()) return;
+
+			// Patch vulnerability in PlayerCards_SetCachedPlayerData
+			utils::hook::call(0x140287C5C, set_cached_playerdata_stub);
+
+			// It is possible to make the server hang if left unchecked
+			utils::hook::call(0x14047A29A, sv_execute_client_message_stub);
+		}
+	};
+}
+
+REGISTER_COMPONENT(security::component)