From 63acce922a67e578513188373540becd7e536700 Mon Sep 17 00:00:00 2001
From: Adam Honse <calcprogrammer1@gmail.com>
Date: Thu, 13 Mar 2025 22:16:48 -0500
Subject: [PATCH] Remove function to install WinRing0 kernel driver in main.cpp

---
 main.cpp | 79 --------------------------------------------------------
 1 file changed, 79 deletions(-)

diff --git a/main.cpp b/main.cpp
index 9b06f0e9c..364888f77 100644
--- a/main.cpp
+++ b/main.cpp
@@ -78,80 +78,6 @@ void WaitWhileServerOnline(NetworkServer* srv)
     };
 }
 
-/******************************************************************************************\
-*                                                                                          *
-*   Install SMBus Driver WinRing0, If not already installed (Win32)                        *
-*                                                                                          *
-\******************************************************************************************/
-#ifdef _WIN32
-void InstallWinRing0()
-{
-    TCHAR winring0_install_location[MAX_PATH]; // driver final location usually C:\windows\system32\drivers\WinRing0x64.sys
-    uint system_path_length = GetSystemDirectory(winring0_install_location, MAX_PATH);
-    std::string winring0_filename = "WinRing0.sys";
-    BOOL bIsWow64 = false;
-#if _WIN64
-    winring0_filename = "WinRing0x64.sys";
-#else
-    BOOL (*fnIsWow64Process)(HANDLE, PBOOL) = (BOOL (__cdecl *)(HANDLE, PBOOL))GetProcAddress(GetModuleHandle(TEXT("kernel32")),"IsWow64Process");
-    if (fnIsWow64Process)
-    {
-        fnIsWow64Process(GetCurrentProcess(),&bIsWow64);
-    }
-    if(bIsWow64)
-    {
-        winring0_filename = "WinRing0x64.sys";
-    }
-#endif
-    std::strncat(winring0_install_location, "\\drivers\\", MAX_PATH - system_path_length - 1);
-    std::strncat(winring0_install_location, winring0_filename.c_str(), MAX_PATH - system_path_length - 10);
-
-    std::string driver_name = winring0_filename.substr(0, winring0_filename.size() - 4); // driver name: WinRing0 or WinRing0x64
-    SC_HANDLE manager = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS);
-    if (manager)
-    {
-        PVOID wow64_fsredirection_OldValue = NULL;
-        if(bIsWow64)
-        {
-            Wow64DisableWow64FsRedirection(&wow64_fsredirection_OldValue);
-        }
-        if(INVALID_FILE_ATTRIBUTES == GetFileAttributes(winring0_install_location) && GetLastError()==ERROR_FILE_NOT_FOUND)
-        {
-            char module_path_buffer[MAX_PATH];
-            GetModuleFileNameA(NULL, module_path_buffer, MAX_PATH);
-            std::string::size_type exe_loc = std::string(module_path_buffer).find_last_of("\\/");
-            std::string driver_source_path = std::string(module_path_buffer).substr(0, exe_loc + 1) + winring0_filename;
-            CopyFile(driver_source_path.c_str(), winring0_install_location, true);
-        }
-        if(bIsWow64)
-        {
-            Wow64RevertWow64FsRedirection(wow64_fsredirection_OldValue);
-        }
-
-        SC_HANDLE service = OpenService(manager, driver_name.c_str(), SERVICE_ALL_ACCESS);
-        if(!service)
-        {
-            std::string service_sys_path = "System32\\Drivers\\" + winring0_filename;
-            service = CreateService(manager,
-               driver_name.c_str(),
-               driver_name.c_str(),
-               SERVICE_ALL_ACCESS,
-               SERVICE_KERNEL_DRIVER,
-               SERVICE_AUTO_START,
-               SERVICE_ERROR_NORMAL,
-               service_sys_path.c_str(),
-               NULL,
-               NULL,
-               NULL,
-               NULL,
-               NULL);
-        }
-        CloseServiceHandle(service);
-        CloseServiceHandle(manager);
-    }
-}
-#endif
-
 /******************************************************************************************\
 *                                                                                          *
 *   main                                                                                   *
@@ -184,11 +110,6 @@ int main(int argc, char* argv[])
     std::thread * InitializeTimerResolutionThread;
     InitializeTimerResolutionThread = new std::thread(InitializeTimerResolutionThreadFunction);
     InitializeTimerResolutionThread->detach();
-
-    /*---------------------------------------------------------*\
-    | Windows only - Install SMBus Driver WinRing0              |
-    \*---------------------------------------------------------*/
-    InstallWinRing0();
 #endif
 
     /*---------------------------------------------------------*\