ok now 0.6.0.2

Remove MSVC run-time dependencies

README.md

@@ -1,4 +1,4 @@
-# wufuc [![a.k.a. kb4012218-19](https://img.shields.io/badge/a.k.a.-kb4012218--19-blue.svg)](../../tree/old-kb4012218-19) [![downloads](https://img.shields.io/github/downloads/zeffy/wufuc/total.svg) ![downloads before v0.6](https://img.shields.io/badge/downloads%20before%20v0.6-13k-brightgreen.svg)](https://github.com/zeffy/wufuc/releases/latest)
+# wufuc [![a.k.a. kb4012218-19](https://img.shields.io/badge/a.k.a.-kb4012218--19-blue.svg)](../../tree/old-kb4012218-19) [![Downloads](https://img.shields.io/github/downloads/zeffy/wufuc/total.svg) ![](https://img.shields.io/badge/downloads%20before%20v0.6-13k-brightgreen.svg)](../../releases)
 
 Disables the "Unsupported Hardware" message in Windows Update, and allows you to continue installing updates on Windows 7 and 8.1 systems with Intel Kaby Lake, AMD Ryzen, or other unsupported processors.
 
@@ -34,19 +34,17 @@ My patch takes advantage of this result caching behavior by setting the "hasn't
 - **No system files are modified!**
 - Heuristic-based patching, which means it will usually keep working even after updates.		
 - C is best language.		
-- No external dependencies except for Microsoft Visual C++ 2017 Redistributable.	
+- No external dependencies.	
 
 ### How to install/uninstall?
 
-Just download the [latest release](https://github.com/zeffy/wufuc/releases/latest), and extract the `wufuc` folder to a permanent location (like `C:\Program Files\wufuc`) and then run `install_wufuc.bat` as administrator. 
+Just download the [latest release](../../releases/latest), and extract the `wufuc` folder to a permanent location (like `C:\Program Files\wufuc`) and then run `install_wufuc.bat` as administrator. 
 
 To uninstall run `uninstall_wufuc.bat` as administrator.
 
-To temporarily disable the patch, just go to the Task Scheduler and disable the `wufuc.{72EEE38B-9997-42BD-85D3-2DD96DA17307}` task, then restart your computer.
-
 ### How do I remove your old patch and use this instead?
 
-I've included a utility script called `repair_wuaueng.dll.bat` that will initiate an sfc scan and revert any changes made to `wuaueng.dll`.
+I've included a utility script called `repair_wuaueng.dll.bat`. When you run it, it will initiate an `sfc` scan and revert any changes made to `wuaueng.dll`.
 
 ### How to see wufuc's debugging message output?
 
@@ -54,9 +52,7 @@ You will need to download [DebugView](https://technet.microsoft.com/en-us/sysint
 
 The best way to get a log of the entire life-cycle of wufuc is to do the following:
 
-1. Disable wufuc in Task Scheduler.
+1. Disable wufuc by running `disable_wufuc.bat` as administrator.
-2. Restart your computer.
+2. Start `Dbgview.exe` as administrator and check `Capture -> Capture Global Win32`.
-3. Start `DebugView.exe` as administrator and check `Capture -> Capture Global Win32`.
+3. Enable wufuc by running `enable_wufuc.bat` as administrator.
-4. Enable wufuc in Task Scheduler. 
+4. Output will be shown in DebugView.
-5. Run wufuc in Task Scheduler.
-6. Output will be shown in DebugView.

install/install_wufuc.bat

@@ -1,5 +1,5 @@
 @echo off
-title wufuc installer - v0.6.0.1
+title wufuc installer
 :: Copyright (C) 2017 zeffy
 
 :: This program is free software: you can redistribute it and/or modify
@@ -47,6 +47,9 @@ goto :unsupported_os
 set "WINDOWS_ARCHITECTURE=x64"
 set "wufuc_dll=%~dp0wufuc64.dll"
 
+for /f "tokens=*" %%i in ('wmic /output:stdout datafile where "name='%wufuc_dll:\=\\%'" get Version /value ^| find "="') do set "%%i"
+title wufuc installer - v%Version%
+
 :check_ver
 wmic /output:stdout os get version | findstr "^6\.1\." >nul && (
     set "WINDOWS_VER=6.1"
@@ -108,19 +111,6 @@ set /p CONTINUE=Enter 'Y' if you want to install wufuc:
 if /I not "%CONTINUE%"=="Y" goto :cancel
 echo.
 
-set "vcredist_path=%~dp0_Redist\vcredist_%WINDOWS_ARCHITECTURE%.exe"
-if exist "%vcredist_path%" (
-    echo Installing Microsoft Visual C^+^+ 2017 Redistributable ^(%WINDOWS_ARCHITECTURE%^)...
-    "%vcredist_path%" /passive /norestart
-    goto :install
-)
-
-echo Couldn't locate and install Microsoft Visual C^+^+ 2017 Redistributable ^(%WINDOWS_ARCHITECTURE%^).
-
-set /p CONTINUE=Enter 'Y' if you still want to continue: 
-if /I not "%CONTINUE%"=="Y" goto :cancel
-echo.
-
 :install
 set "wufuc_task=wufuc.{72EEE38B-9997-42BD-85D3-2DD96DA17307}"
 schtasks /Create /XML "%~dp0wufuc.xml" /TN "%wufuc_task%" /F

install/uninstall_wufuc.bat

@@ -1,5 +1,5 @@
 @echo off
-title wufuc uninstaller - v0.6.0.1
+title wufuc uninstaller
 :: Copyright (C) 2017 zeffy
 
 :: This program is free software: you can redistribute it and/or modify
@@ -45,12 +45,14 @@ goto :die
 set "WINDOWS_ARCHITECTURE=x64"
 set "wufuc_dll=%~dp0wufuc64.dll"
 
+for /f "tokens=*" %%i in ('wmic /output:stdout datafile where "name='%wufuc_dll:\=\\%'" get Version /value ^| find "="') do set "%%i"
+title wufuc uninstaller - v%Version%
+
 :confirmation
 set /p CONTINUE=Enter 'Y' if you want to uninstall wufuc: 
 if /I not "%CONTINUE%"=="Y" goto :cancel
 echo.
 
-:uninstall
 set "wufuc_task=wufuc.{72EEE38B-9997-42BD-85D3-2DD96DA17307}"
 rundll32 "%wufuc_dll%",Rundll32Unload
 schtasks /Delete /TN "%wufuc_task%" /F

install/utility scripts/disable_wufuc.bat

@@ -0,0 +1,70 @@
+@echo off
+title wufuc utility - disable task
+:: Copyright (C) 2017 zeffy
+
+:: This program is free software: you can redistribute it and/or modify
+:: it under the terms of the GNU General Public License as published by
+:: the Free Software Foundation, either version 3 of the License, or
+:: (at your option) any later version.
+
+:: This program is distributed in the hope that it will be useful,
+:: but WITHOUT ANY WARRANTY; without even the implied warranty of
+:: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+:: GNU General Public License for more details.
+
+:: You should have received a copy of the GNU General Public License
+:: along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+echo Copyright ^(C^) 2017 zeffy
+echo This program comes with ABSOLUTELY NO WARRANTY.
+echo This is free software, and you are welcome to redistribute it
+echo under certain conditions; see COPYING.txt for details.
+echo.
+
+fltmc >nul 2>&1 || (
+    echo This batch script requires administrator privileges. Right-click on
+    echo %~nx0 and select "Run as administrator".
+    goto :die
+)
+
+if /I "%PROCESSOR_ARCHITECTURE%"=="AMD64" (
+    goto :is_x64
+) else (
+    if /I "%PROCESSOR_ARCHITEW6432%"=="AMD64" (
+        goto :is_x64
+    )
+    if /I "%PROCESSOR_ARCHITECTURE%"=="x86" (
+        set "WINDOWS_ARCHITECTURE=x86"
+        set "wufuc_dll=%~dp0wufuc32.dll"
+        goto :confirmation
+    )
+)
+goto :die
+
+:is_x64
+set "WINDOWS_ARCHITECTURE=x64"
+set "wufuc_dll=%~dp0..\wufuc64.dll"
+
+:confirmation
+set /p CONTINUE=Enter 'Y' if you want to disable wufuc: 
+if /I not "%CONTINUE%"=="Y" goto :cancel
+echo.
+
+set "wufuc_task=wufuc.{72EEE38B-9997-42BD-85D3-2DD96DA17307}"
+rundll32 "%wufuc_dll%",Rundll32Unload
+schtasks /Change /TN "%wufuc_task%" /DISABLE
+
+echo.
+echo Disabled wufuc! You will still be able to check for updates until you restart.
+
+:die
+echo.
+echo Press any key to exit...
+pause >nul
+exit
+
+:cancel
+echo.
+echo Canceled by user, press any key to exit...
+pause >nul
+exit

install/utility scripts/enable_wufuc.bat

@@ -0,0 +1,51 @@
+@echo off
+title wufuc utility - enable task
+:: Copyright (C) 2017 zeffy
+
+:: This program is free software: you can redistribute it and/or modify
+:: it under the terms of the GNU General Public License as published by
+:: the Free Software Foundation, either version 3 of the License, or
+:: (at your option) any later version.
+
+:: This program is distributed in the hope that it will be useful,
+:: but WITHOUT ANY WARRANTY; without even the implied warranty of
+:: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+:: GNU General Public License for more details.
+
+:: You should have received a copy of the GNU General Public License
+:: along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+echo Copyright ^(C^) 2017 zeffy
+echo This program comes with ABSOLUTELY NO WARRANTY.
+echo This is free software, and you are welcome to redistribute it
+echo under certain conditions; see COPYING.txt for details.
+echo.
+
+fltmc >nul 2>&1 || (
+    echo This batch script requires administrator privileges. Right-click on
+    echo %~nx0 and select "Run as administrator".
+    goto :die
+)
+
+set /p CONTINUE=Enter 'Y' if you want to enable wufuc: 
+if /I not "%CONTINUE%"=="Y" goto :cancel
+echo.
+
+set "wufuc_task=wufuc.{72EEE38B-9997-42BD-85D3-2DD96DA17307}"
+schtasks /Change /TN "%wufuc_task%" /ENABLE
+schtasks /Run /TN "%wufuc_task%"
+
+echo.
+echo Enabled and started wufuc!
+
+:die
+echo.
+echo Press any key to exit...
+pause >nul
+exit
+
+:cancel
+echo.
+echo Canceled by user, press any key to exit...
+pause >nul
+exit

install/utility scripts/repair_wuaueng.dll.bat

@@ -1,5 +1,5 @@
 @echo off
-title install wufuc ^(repair wuaueng.dll^) - v0.6.0.1
+title wufuc utility - repair wuaueng.dll
 :: Copyright (C) 2017 zeffy
 
 :: This program is free software: you can redistribute it and/or modify
@@ -27,7 +27,6 @@ fltmc >nul 2>&1 || (
     goto :die
 )
 
-:confirmation
 echo You may want to use this script if you previously modified wuaueng.dll
 echo with "aio-wuaueng.dll-patch.bat" or by other means.
 echo.

wufuc/core.c

@@ -80,30 +80,30 @@ BOOL PatchWUModule(HMODULE hModule) {
     SIZE_T n1, n2;
 #ifdef _WIN64
     lpszPattern =
-        "FFF3"					// push rbx
+        "FFF3"                  // push rbx
-        "4883EC??"				// sub rsp,??
+        "4883EC??"              // sub rsp,??
-        "33DB"					// xor ebx,ebx
+        "33DB"                  // xor ebx,ebx
-        "391D????????"			// cmp dword ptr ds:[???????????],ebx
+        "391D????????"          // cmp dword ptr ds:[???????????],ebx
-        "7508"					// jnz $+8
+        "7508"                  // jnz $+8
-        "8B05????????";			// mov eax,dword ptr ds:[???????????]
+        "8B05????????";         // mov eax,dword ptr ds:[???????????]
     n1 = 10;
     n2 = 18;
 #elif defined(_WIN32)
     if (IsWindows8Point1()) {
         lpszPattern =
-            "8BFF"				// mov edi,edi
+            "8BFF"              // mov edi,edi
-            "51"				// push ecx
+            "51"                // push ecx
-            "833D????????00"	// cmp dword ptr ds:[????????],0
+            "833D????????00"    // cmp dword ptr ds:[????????],0
-            "7507"				// jnz $+7
+            "7507"              // jnz $+7
-            "A1????????";		// mov eax,dword ptr ds:[????????]
+            "A1????????";       // mov eax,dword ptr ds:[????????]
         n1 = 5;
         n2 = 13;
     } else if (IsWindows7()) {
         lpszPattern =
-            "833D????????00"	// cmp dword ptr ds:[????????],0
+            "833D????????00"    // cmp dword ptr ds:[????????],0
-            "743E"				// je $+3E
+            "743E"              // je $+3E
-            "E8????????"		// call <wuaueng.IsCPUSupported>
+            "E8????????"        // call <wuaueng.IsCPUSupported>
-            "A3????????";		// mov dword ptr ds:[????????],eax
+            "A3????????";       // mov dword ptr ds:[????????],eax
         n1 = 2;
         n2 = 15;
     }
@@ -114,20 +114,20 @@ BOOL PatchWUModule(HMODULE hModule) {
     MODULEINFO modinfo;
     GetModuleInformation(GetCurrentProcess(), hModule, &modinfo, sizeof(MODULEINFO));
 
-    SIZE_T offset;
+    SIZE_T rva;
-    if (!FindPattern(modinfo.lpBaseOfDll, modinfo.SizeOfImage, lpszPattern, 0, &offset)) {
+    if (!FindPattern(modinfo.lpBaseOfDll, modinfo.SizeOfImage, lpszPattern, 0, &rva)) {
         return FALSE;
     }
-    SIZE_T rva = (SIZE_T)modinfo.lpBaseOfDll + offset;
+    SIZE_T fpIsDeviceServiceable = (SIZE_T)modinfo.lpBaseOfDll + rva;
-    _tdbgprintf(_T("IsDeviceServiceable(void) matched at %p"), rva);
+    _tdbgprintf(_T("IsDeviceServiceable(void) matched at %p"), fpIsDeviceServiceable);
 
-    BOOL *lpbNotRunOnce = (BOOL *)(rva + n1 + sizeof(DWORD) + *(DWORD *)(rva + n1));
+    BOOL *lpbNotRunOnce = (BOOL *)(fpIsDeviceServiceable + n1 + sizeof(DWORD) + *(DWORD *)(fpIsDeviceServiceable + n1));
     if (*lpbNotRunOnce) {
         *lpbNotRunOnce = FALSE;
         _tdbgprintf(_T("Patched %p=%d"), lpbNotRunOnce, *lpbNotRunOnce);
     }
 
-    BOOL *lpbCachedResult = (BOOL *)(rva + n2 + sizeof(DWORD) + *(DWORD *)(rva + n2));
+    BOOL *lpbCachedResult = (BOOL *)(fpIsDeviceServiceable + n2 + sizeof(DWORD) + *(DWORD *)(fpIsDeviceServiceable + n2));
     if (!*lpbCachedResult) {
         *lpbCachedResult = TRUE;
         _tdbgprintf(_T("Patched %p=%d"), lpbCachedResult, *lpbCachedResult);

wufuc/util.c

@@ -5,18 +5,6 @@
 #include <tchar.h>
 #include "util.h"
 
-BOOL IsWindows7Or8Point1(void) {
-    return IsWindows7() || IsWindows8Point1();
-}
-
-BOOL IsWindows7(void) {
-    return IsWindows7OrGreater() && !IsWindows8OrGreater();
-}
-
-BOOL IsWindows8Point1(void) {
-    return IsWindows8Point1OrGreater() && !IsWindows10OrGreater();
-}
-
 VOID DetourIAT(HMODULE hModule, LPSTR lpFuncName, LPVOID *lpOldAddress, LPVOID lpNewAddress) {
     LPVOID *lpAddress = FindIAT(hModule, lpFuncName);
     if (!lpAddress || *lpAddress == lpNewAddress) {
@@ -145,6 +133,18 @@ VOID ResumeAndCloseThreads(HANDLE *lphThreads, SIZE_T cb) {
     _tdbgprintf(_T("Resumed threads."));
 }
 
+BOOL IsWindows7Or8Point1(void) {
+    return IsWindows7() || IsWindows8Point1();
+}
+
+BOOL IsWindows7(void) {
+    return IsWindows7OrGreater() && !IsWindows8OrGreater();
+}
+
+BOOL IsWindows8Point1(void) {
+    return IsWindows8Point1OrGreater() && !IsWindows10OrGreater();
+}
+
 VOID _wdbgprintf(LPCWSTR format, ...) {
     WCHAR buffer[0x1000];
     va_list argptr;

wufuc/util.h

@@ -3,12 +3,6 @@
 EXTERN_C IMAGE_DOS_HEADER __ImageBase;
 #define HINST_THISCOMPONENT ((HINSTANCE)&__ImageBase)
 
-BOOL IsWindows7Or8Point1(void);
-
-BOOL IsWindows7(void);
-
-BOOL IsWindows8Point1(void);
-
 VOID DetourIAT(HMODULE hModule, LPSTR lpFuncName, LPVOID *lpOldAddress, LPVOID lpNewAddress);
 
 #define DETOUR_IAT(x, y) \
@@ -28,6 +22,12 @@ VOID SuspendProcessThreads(DWORD dwProcessId, DWORD dwThreadId, HANDLE *lphThrea
 
 VOID ResumeAndCloseThreads(HANDLE *lphThreads, SIZE_T dwSize);
 
+BOOL IsWindows7Or8Point1(void);
+
+BOOL IsWindows7(void);
+
+BOOL IsWindows8Point1(void);
+
 VOID _wdbgprintf(LPCWSTR format, ...);
 VOID _dbgprintf(LPCSTR format, ...);
 //#ifdef _DEBUG

wufuc/wufuc.vcxproj

@@ -105,6 +105,7 @@
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>WIN32;_DEBUG;_WINDOWS;_USRDLL;WUFUC_EXPORTS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
@@ -119,6 +120,7 @@
       <WarningLevel>Level3</WarningLevel>
       <Optimization>Disabled</Optimization>
       <PreprocessorDefinitions>_DEBUG;_WINDOWS;_USRDLL;WUFUC_EXPORTS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <RuntimeLibrary>MultiThreadedDebug</RuntimeLibrary>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
@@ -135,6 +137,7 @@
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;_USRDLL;WUFUC_EXPORTS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>
@@ -157,6 +160,7 @@
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <PreprocessorDefinitions>NDEBUG;_WINDOWS;_USRDLL;WUFUC_EXPORTS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
     </ClCompile>
     <Link>
       <SubSystem>Windows</SubSystem>