v2.4

.editorconfig

@@ -0,0 +1,10 @@
+# http://editorconfig.org
+root = true
+
+[*]
+indent_style = tab
+tab_width = 2
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true

.gitattributes

@@ -0,0 +1,3 @@
+*         text=auto eol=lf
+*.sln     eol=crlf
+*.vcxproj eol=crlf

.github/workflows/nightly.yml

@@ -1,38 +0,0 @@
-name: WUIsBack Nightly AutoBuilder
-
-on:
-  push:
-    branches:
-      - main
-  workflow_dispatch:
-
-jobs:
-  build:
-    runs-on: windows-latest
-    steps:
-    - name: Download repository
-      uses: actions/checkout@v3
-    - name: Install NSIS
-      run: |
-        iwr -useb get.scoop.sh -outfile 'install.ps1'
-        .\install.ps1 -RunAsAdmin
-        scoop update
-        scoop bucket add extras
-        scoop install nsis
-    - name: Download latest DLL
-      run: |
-        md .\Release
-        md .\x64\Release
-        md .\launcher\obj
-        iwr http://vichingo455.ddns.net/en/downloads/WUIsBack-nightly/LegacyUpdate32.dll -outfile '.\Release\LegacyUpdate.dll'
-        iwr http://vichingo455.ddns.net/en/downloads/WUIsBack-nightly/LegacyUpdate64.dll -outfile '.\x64\Release\LegacyUpdate.dll'
-        iwr http://vichingo455.ddns.net/en/downloads/WUIsBack-nightly/LegacyUpdate32.exe -outfile '.\launcher\obj\LegacyUpdate32.exe'
-        iwr http://vichingo455.ddns.net/en/downloads/WUIsBack-nightly/LegacyUpdate64.exe -outfile '.\launcher\obj\LegacyUpdate64.exe'
-    - name: Compile WUIsBack
-      run: |
-        makensis "setup\setup.nsi"
-    - name: Upload Nightly Build
-      uses: actions/upload-artifact@v4
-      with:
-        name: WUIsBack-nightly
-        path: setup/WUIsBack-latest.exe

.gitignore

@@ -0,0 +1,125 @@
+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+##
+## Get latest from https://github.com/github/gitignore/blob/main/VisualStudio.gitignore
+
+# User-specific files
+*.rsuser
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+*.userprefs
+
+# Build results
+Debug/
+Debug-VC08/
+Debug-VC17/
+Release/
+*.exe
+*.dll
+!setup/modern_aerowizard.exe
+!setup/x86-unicode/*.dll
+setup/x86-unicode/LegacyUpdateNSIS.dll
+obj/
+*_layout.inf
+
+# Visual Studio 2015/2017 cache/options directory
+.vs/
+
+# Visual Studio 2017 auto generated files
+Generated\ Files/
+
+# Files built by Visual Studio
+*_i.c
+*_p.c
+*_i.h
+*idl.h
+*.i
+*.ilk
+*.meta
+*.obj
+*.iobj
+*.pch
+*.pdb
+*.ipdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*_wpftmp.csproj
+*.log
+*.tlog
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.svclog
+*.scc
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opendb
+*.opensdf
+*.sdf
+*.cachefile
+*.VC.db
+*.VC.VC.opendb
+
+# NuGet Packages
+*.nupkg
+# NuGet Symbol Packages
+*.snupkg
+# The packages folder can be ignored because of Package Restore
+**/[Pp]ackages/*
+# except build/, which is used as an MSBuild target.
+!**/[Pp]ackages/build/
+# Uncomment if necessary however generally it will be regenerated when needed
+#!**/[Pp]ackages/repositories.config
+# NuGet v3's project.json files produces more ignorable files
+*.nuget.props
+*.nuget.targets
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!?*.[Cc]ache/
+
+# Others
+ClientBin/
+~$*
+*~
+*.dbmdl
+*.dbproj.schemaview
+*.jfm
+*.pfx
+*.publishsettings
+orleans.codegen.cs
+
+# Backup & report files from converting an old project file
+# to a newer Visual Studio version. Backup files are not needed,
+# because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+ServiceFabricBackup/
+*.rptproj.bak
+
+# Windows Installer files from build outputs
+*.cab
+*.msi
+*.msix
+*.msm
+*.msp
+
+# VS Code
+.vscode/

LegacyUpdate.sln

@@ -1,37 +0,0 @@
-
-Microsoft Visual Studio Solution File, Format Version 11.00
-# Visual Studio Version 17
-VisualStudioVersion = 17.3.32929.385
-MinimumVisualStudioVersion = 10.0.40219.1
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "LegacyUpdate", "LegacyUpdate\LegacyUpdate.vcxproj", "{95F3E1A1-5DDA-4C4D-B52B-981D46E6C98B}"
-EndProject
-Global
-	GlobalSection(SolutionConfigurationPlatforms) = preSolution
-		Debug-VC08|Win32 = Debug-VC08|Win32
-		Debug-VC08|x64 = Debug-VC08|x64
-		Debug-VC17|Win32 = Debug-VC17|Win32
-		Debug-VC17|x64 = Debug-VC17|x64
-		Release|Win32 = Release|Win32
-		Release|x64 = Release|x64
-	EndGlobalSection
-	GlobalSection(ProjectConfigurationPlatforms) = postSolution
-		{95F3E1A1-5DDA-4C4D-B52B-981D46E6C98B}.Debug-VC08|Win32.ActiveCfg = Debug-VC08|Win32
-		{95F3E1A1-5DDA-4C4D-B52B-981D46E6C98B}.Debug-VC08|Win32.Build.0 = Debug-VC08|Win32
-		{95F3E1A1-5DDA-4C4D-B52B-981D46E6C98B}.Debug-VC08|x64.ActiveCfg = Debug-VC17|x64
-		{95F3E1A1-5DDA-4C4D-B52B-981D46E6C98B}.Debug-VC08|x64.Build.0 = Debug-VC17|x64
-		{95F3E1A1-5DDA-4C4D-B52B-981D46E6C98B}.Debug-VC17|Win32.ActiveCfg = Debug-VC17|Win32
-		{95F3E1A1-5DDA-4C4D-B52B-981D46E6C98B}.Debug-VC17|Win32.Build.0 = Debug-VC17|Win32
-		{95F3E1A1-5DDA-4C4D-B52B-981D46E6C98B}.Debug-VC17|x64.ActiveCfg = Debug-VC17|x64
-		{95F3E1A1-5DDA-4C4D-B52B-981D46E6C98B}.Debug-VC17|x64.Build.0 = Debug-VC17|x64
-		{95F3E1A1-5DDA-4C4D-B52B-981D46E6C98B}.Release|Win32.ActiveCfg = Release|Win32
-		{95F3E1A1-5DDA-4C4D-B52B-981D46E6C98B}.Release|Win32.Build.0 = Release|Win32
-		{95F3E1A1-5DDA-4C4D-B52B-981D46E6C98B}.Release|x64.ActiveCfg = Release|x64
-		{95F3E1A1-5DDA-4C4D-B52B-981D46E6C98B}.Release|x64.Build.0 = Release|x64
-	EndGlobalSection
-	GlobalSection(SolutionProperties) = preSolution
-		HideSolutionNode = FALSE
-	EndGlobalSection
-	GlobalSection(ExtensibilityGlobals) = postSolution
-		SolutionGuid = {E11EF986-8512-4F69-B67C-C40CCB81052A}
-	EndGlobalSection
-EndGlobal

LegacyUpdate/Compat.cpp

@@ -1,53 +0,0 @@
-#include "stdafx.h"
-#include <comdef.h>
-#include "Utils.h"
-
-#ifndef PROCESS_PER_MONITOR_DPI_AWARE
-typedef int PROCESS_DPI_AWARENESS;
-#define PROCESS_PER_MONITOR_DPI_AWARE 2
-#endif
-
-#ifndef DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2
-typedef int DPI_AWARENESS_CONTEXT;
-#define DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2 ((DPI_AWARENESS_CONTEXT)-4)
-#endif
-
-typedef BOOL (WINAPI *_GetProductInfo)(DWORD, DWORD, DWORD, DWORD, PDWORD);
-
-typedef BOOL (WINAPI *_SetProcessDpiAwarenessContext)(DPI_AWARENESS_CONTEXT);
-typedef HRESULT (WINAPI *_SetProcessDpiAwareness)(PROCESS_DPI_AWARENESS);
-typedef void (WINAPI *_SetProcessDPIAware)();
-
-_GetProductInfo $GetProductInfo = (_GetProductInfo)GetProcAddress(GetModuleHandle(L"kernel32.dll"), "GetProductInfo");
-
-BOOL GetVistaProductInfo(DWORD dwOSMajorVersion, DWORD dwOSMinorVersion, DWORD dwSpMajorVersion, DWORD dwSpMinorVersion, PDWORD pdwReturnedProductType) {
-	if ($GetProductInfo) {
-		return $GetProductInfo(dwOSMajorVersion, dwOSMinorVersion, dwSpMajorVersion, dwSpMinorVersion, pdwReturnedProductType);
-	} else {
-		*pdwReturnedProductType = PRODUCT_UNDEFINED;
-		return FALSE;
-	}
-}
-
-void BecomeDPIAware() {
-	// Make the process DPI-aware... hopefully
-	// Windows 10 1703+ per-monitor v2
-	_SetProcessDpiAwarenessContext $SetProcessDpiAwarenessContext = (_SetProcessDpiAwarenessContext)GetProcAddress(LoadLibrary(L"user32.dll"), "SetProcessDpiAwarenessContext");
-	if ($SetProcessDpiAwarenessContext) {
-		$SetProcessDpiAwarenessContext(DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2);
-		return;
-	}
-
-	// Windows 8.1 - 10 1607 per-monitor v1
-	_SetProcessDpiAwareness $SetProcessDpiAwareness = (_SetProcessDpiAwareness)GetProcAddress(LoadLibrary(L"shcore.dll"), "SetProcessDpiAwareness");
-	if ($SetProcessDpiAwareness) {
-		$SetProcessDpiAwareness(PROCESS_PER_MONITOR_DPI_AWARE);
-		return;
-	}
-
-	// Windows Vista - 8
-	_SetProcessDPIAware $SetProcessDPIAware = (_SetProcessDPIAware)GetProcAddress(LoadLibrary(L"user32.dll"), "SetProcessDPIAware");
-	if ($SetProcessDPIAware) {
-		$SetProcessDPIAware();
-	}
-}

LegacyUpdate/Compat.h

@@ -1,4 +0,0 @@
-#pragma once
-
-BOOL GetVistaProductInfo(DWORD dwOSMajorVersion, DWORD dwOSMinorVersion, DWORD dwSpMajorVersion, DWORD dwSpMinorVersion, PDWORD pdwReturnedProductType);
-void BecomeDPIAware();

LegacyUpdate/ElevationHelper.cpp

@@ -1,84 +0,0 @@
-// ElevationHelper.cpp : Implementation of CElevationHelper
-#include "stdafx.h"
-#include "Compat.h"
-#include "ElevationHelper.h"
-#include "HResult.h"
-#include "Utils.h"
-#include <strsafe.h>
-
-const BSTR permittedProgIDs[] = {
-	L"Microsoft.Update.",
-	NULL
-};
-
-BOOL ProgIDIsPermitted(PWSTR progID) {
-	if (progID == NULL) {
-		return FALSE;
-	}
-
-	for (int i = 0; permittedProgIDs[i] != NULL; i++) {
-		if (wcsncmp(progID, permittedProgIDs[i], wcslen(permittedProgIDs[i])) == 0) {
-			return TRUE;
-		}
-	}
-
-	return FALSE;
-}
-
-STDMETHODIMP CoCreateInstanceAsAdmin(HWND hwnd, __in REFCLSID rclsid, __in REFIID riid, __deref_out void **ppv) {
-	WCHAR clsidString[45];
-	StringFromGUID2(rclsid, clsidString, ARRAYSIZE(clsidString));
-
-	WCHAR monikerName[75];
-	HRESULT hr = StringCchPrintf(monikerName, ARRAYSIZE(monikerName), L"Elevation:Administrator!new:%s", clsidString);
-	if (!SUCCEEDED(hr)) {
-		return hr;
-	}
-
-	BIND_OPTS3 bindOpts;
-	memset(&bindOpts, 0, sizeof(bindOpts));
-	bindOpts.cbStruct = sizeof(bindOpts);
-	bindOpts.hwnd = hwnd;
-	bindOpts.dwClassContext = CLSCTX_LOCAL_SERVER;
-	return CoGetObject(monikerName, &bindOpts, riid, ppv);
-}
-
-CElevationHelper::CElevationHelper() {
-	BecomeDPIAware();
-}
-
-STDMETHODIMP CElevationHelper::CreateObject(BSTR progID, IDispatch **retval) {
-	if (progID == NULL) {
-		return E_INVALIDARG;
-	}
-
-	HRESULT hr = S_OK;
-	CComPtr<IDispatch> object;
-	if (!ProgIDIsPermitted(progID)) {
-		hr = E_ACCESSDENIED;
-		goto end;
-	}
-
-	CLSID clsid;
-	hr = CLSIDFromProgID(progID, &clsid);
-	if (!SUCCEEDED(hr)) {
-		goto end;
-	}
-
-	hr = object.CoCreateInstance(clsid, NULL, CLSCTX_INPROC_SERVER);
-	if (!SUCCEEDED(hr)) {
-		goto end;
-	}
-
-	*retval = object.Detach();
-
-end:
-	if (!SUCCEEDED(hr)) {
-		TRACE("CreateObject(%ls) failed: %ls\n", progID, GetMessageForHresult(hr));
-	}
-	return hr;
-}
-
-STDMETHODIMP CElevationHelper::Reboot(void) {
-	return ::Reboot();
-}

LegacyUpdate/ElevationHelper.h

@@ -1,45 +0,0 @@
-#pragma once
-
-// ElevationHelper.h : Declaration of the CElevationHelper class.
-
-#include <atlctl.h>
-#include "resource.h"
-#include "LegacyUpdate_i.h"
-
-BOOL ProgIDIsPermitted(PWSTR progID);
-STDMETHODIMP CoCreateInstanceAsAdmin(HWND hwnd, __in REFCLSID rclsid, __in REFIID riid, __deref_out void **ppv);
-
-// CElevationHelper
-class ATL_NO_VTABLE CElevationHelper :
-	public CComObjectRootEx<CComSingleThreadModel>,
-	public CComCoClass<CElevationHelper, &CLSID_ElevationHelper>,
-	public ISupportErrorInfo,
-	public IDispatchImpl<IElevationHelper, &IID_IElevationHelper, &LIBID_LegacyUpdateLib, /*wMajor =*/ 1, /*wMinor =*/ 0> {
-
-public:
-	CElevationHelper();
-
-	DECLARE_REGISTRY_RESOURCEID(IDR_ELEVATIONHELPER)
-
-	BEGIN_COM_MAP(CElevationHelper)
-		COM_INTERFACE_ENTRY(IElevationHelper)
-		COM_INTERFACE_ENTRY(IDispatch)
-		COM_INTERFACE_ENTRY(ISupportErrorInfo)
-	END_COM_MAP()
-
-	// ISupportsErrorInfo
-	STDMETHOD(InterfaceSupportsErrorInfo)(REFIID riid) {
-		return IsEqualGUID(riid, IID_IElevationHelper) ? S_OK : S_FALSE;
-	}
-
-	// IElevationHelper
-	DECLARE_PROTECT_FINAL_CONSTRUCT()
-
-	HRESULT FinalConstruct() { return S_OK; }
-	void FinalRelease() {}
-
-	STDMETHODIMP CreateObject(BSTR progID, IDispatch **retval);
-	STDMETHODIMP Reboot(void);
-};
-
-OBJECT_ENTRY_AUTO(__uuidof(ElevationHelper), CElevationHelper)

LegacyUpdate/ElevationHelper.rgs

@@ -1,31 +0,0 @@
-HKCR
-{
-	LegacyUpdate.ElevationHelper.1 = s 'Legacy Update Elevation Helper'
-	{
-		CLSID = s '{84F517AD-6438-478F-BEA8-F0B808DC257F}'
-	}
-	LegacyUpdate.ElevationHelper = s 'Legacy Update Elevation Helper'
-	{
-		CurVer = s 'LegacyUpdate.ElevationHelper.1'
-	}
-	NoRemove CLSID
-	{
-		ForceRemove {84F517AD-6438-478F-BEA8-F0B808DC257F} = s 'Legacy Update Elevation Helper'
-		{
-			ProgID = s 'LegacyUpdate.ElevationHelper.1'
-			VersionIndependentProgID = s 'LegacyUpdate.ElevationHelper'
-			InprocServer32 = s '%MODULE%'
-			{
-				val ThreadingModel = s 'Apartment'
-			}
-			val AppID = s '%APPID%'
-			val LocalizedString = s '@%MODULE%,-1'
-			TypeLib = s '{05D22F33-C7C3-4C90-BDD9-CEDC86EA8FBE}'
-			Version = s '1.0'
-			Elevation
-			{
-				val Enabled = d '1'
-			}
-		}
-	}
-}

LegacyUpdate/LaunchUpdateSite.cpp

@@ -1,36 +0,0 @@
-#include "stdafx.h"
-#include "Exec.h"
-#include "HResult.h"
-#include "LegacyUpdate.h"
-#include <shellapi.h>
-
-// Function signature required by Rundll32.exe.
-void CALLBACK LaunchUpdateSite(HWND hwnd, HINSTANCE hInstance, LPSTR lpszCmdLine, int nCmdShow) {
-	HRESULT hr = CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
-	LPWSTR path;
-
-	if (!SUCCEEDED(hr)) {
-		goto end;
-	}
-
-	// This just calls LegacyUpdate.exe now for backwards compatibility.
-	hr = GetInstallPath(&path);
-	if (!SUCCEEDED(hr)) {
-		goto end;
-	}
-
-	PathAppend(path, L"LegacyUpdate.exe");
-
-	DWORD code;
-	hr = Exec(L"open", path, NULL, NULL, nCmdShow, TRUE, &code);
-	if (SUCCEEDED(hr)) {
-		hr = HRESULT_FROM_WIN32(code);
-	}
-
-end:
-	if (!SUCCEEDED(hr)) {
-		MessageBox(NULL, GetMessageForHresult(hr), L"Legacy Update", MB_OK | MB_ICONERROR);
-	}
-
-	CoUninitialize();
-}

LegacyUpdate/LaunchUpdateSite.h

@@ -1,3 +0,0 @@
-#pragma once
-
-void CALLBACK LaunchUpdateSite(HWND hwnd, HINSTANCE hinstance, LPSTR lpszCmdLine, int nCmdShow);

LegacyUpdate/LegacyUpdate.def

@@ -1,14 +0,0 @@
-; LegacyUpdate.def : Declares the module parameters.
-
-EXPORTS
-	; Registration
-	DllCanUnloadNow      PRIVATE
-	DllGetClassObject    PRIVATE
-	DllRegisterServer    PRIVATE
-	DllUnregisterServer  PRIVATE
-
-	; Rundll32
-	LaunchUpdateSite     PRIVATE
-
-	; Internal use
-	GetMessageForHresult

LegacyUpdate/LegacyUpdate.idl

@@ -1,126 +0,0 @@
-// LegacyUpdate.idl : IDL source for LegacyUpdate
-//
-
-// This file will be processed by the MIDL tool to
-// produce the type library (LegacyUpdate.tlb) and marshalling code.
-
-#include <olectl.h>
-#include <idispids.h>
-import "oaidl.idl";
-import "ocidl.idl";
-import "wuapi.idl";
-
-typedef enum OSVersionField {
-	e_majorVer = 0,
-	e_minorVer = 1,
-	e_buildNumber = 2,
-	e_platform = 3,
-	e_SPMajor = 4,
-	e_SPMinor = 5,
-	e_productSuite = 6,
-	e_productType = 7,
-	e_systemMetric = 8,
-	e_SPVersionString = 9,
-	e_controlVersionString = 10,
-	e_VistaProductType = 11,
-	e_productName = 12,
-	e_displayVersion = 13,
-	e_maxOSVersionFieldValue = 13
-} OSVersionField;
-
-typedef enum UserType {
-	e_nonAdmin = 0,
-	e_admin = 2,
-	e_elevated = 3
-} UserType;
-
-[
-	object,
-	uuid(C33085BB-C3E1-4D27-A214-AF01953DF5E5),
-	dual,
-	nonextensible,
-	helpstring("ILegacyUpdateCtrl Interface"),
-	pointer_default(unique)
-]
-interface ILegacyUpdateCtrl : IDispatch {
-	[id(1)]  HRESULT CheckControl([out, retval] VARIANT_BOOL *retval);
-	[id(2)]  HRESULT MessageForHresult(LONG inHresult, [out, retval] BSTR *retval);
-	[id(3)]  HRESULT GetOSVersionInfo(OSVersionField osField, LONG systemMetric, [out, retval] VARIANT *retval);
-	[id(14)] HRESULT RequestElevation(void);
-	[id(4)]  HRESULT CreateObject(BSTR progID, [out, retval] IDispatch **retval);
-	[id(15)] HRESULT SetBrowserHwnd(IUpdateInstaller *installer);
-	[id(5)]  HRESULT GetUserType([out, retval] UserType *retval);
-	[id(8)]  HRESULT RebootIfRequired(void);
-	[id(9)]  HRESULT ViewWindowsUpdateLog(void);
-	[id(13)] HRESULT OpenWindowsUpdateSettings(void);
-
-	[id(6),  propget] HRESULT IsRebootRequired([out, retval] VARIANT_BOOL *retval);
-	[id(7),  propget] HRESULT IsWindowsUpdateDisabled([out, retval] VARIANT_BOOL *retval);
-	[id(10), propget] HRESULT IsUsingWsusServer([out, retval] VARIANT_BOOL *retval);
-	[id(11), propget] HRESULT WsusServerUrl([out, retval] BSTR *retval);
-	[id(12), propget] HRESULT WsusStatusServerUrl([out, retval] BSTR *retval);
-};
-
-[
-	object,
-	uuid(4524BFBF-70BD-4EAC-AD33-6BADA4FB0638),
-	dual,
-	nonextensible,
-	pointer_default(unique)
-]
-interface IProgressBarControl : IDispatch
-{
-	[id(1), propget] HRESULT Value([out, retval] SHORT *retval);
-	[id(1), propput] HRESULT Value([in] SHORT newVal);
-};
-
-[
-	object,
-	uuid(3236E684-0E4B-4780-9F31-F1983F5AB78D),
-	dual,
-	nonextensible,
-	pointer_default(unique),
-	oleautomation
-]
-interface IElevationHelper : IDispatch
-{
-	[id(1)] HRESULT CreateObject(BSTR progID, [out, retval] IDispatch **retval);
-	[id(2)] HRESULT Reboot(void);
-};
-
-[
-	uuid(05D22F33-C7C3-4C90-BDD9-CEDC86EA8FBE),
-	version(1.0),
-	helpstring("Legacy Update Control")
-]
-library LegacyUpdateLib {
-	importlib(STDOLE_TLB);
-
-	[
-		uuid(AD28E0DF-5F5A-40B5-9432-85EFD97D1F9F),
-		control,
-		helpstring("LegacyUpdateCtrl Class")
-	]
-	coclass LegacyUpdateCtrl {
-		[default] interface ILegacyUpdateCtrl;
-	};
-
-	[
-		uuid(7B875A2F-2DFB-4D38-91F5-5C0BFB74C377),
-		control,
-		helpstring("ProgressBarControl Class")
-	]
-	coclass ProgressBarControl
-	{
-		[default] interface IProgressBarControl;
-	};
-
-	[
-		uuid(84F517AD-6438-478F-BEA8-F0B808DC257F),
-		helpstring("ElevationHelper Class")
-	]
-	coclass ElevationHelper
-	{
-		[default] interface IElevationHelper;
-	};
-};

LegacyUpdate/LegacyUpdate.rgs

@@ -1,14 +0,0 @@
-HKCR
-{
-	NoRemove AppID
-	{
-		'%APPID%' = s 'Legacy Update Control'
-		{
-			val DllSurrogate = s ''
-		}
-		'LegacyUpdate.dll'
-		{
-			val AppID = s '%APPID%'
-		}
-	}
-}

LegacyUpdate/LegacyUpdate.vcxproj

@@ -1,601 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <ItemGroup Label="ProjectConfigurations">
-    <ProjectConfiguration Include="Debug-VC08|x64">
-      <Configuration>Debug-VC08</Configuration>
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-      <CompileAs Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">CompileAsCpp</CompileAs>
-      <CompileAs Condition="'$(Configuration)|$(Platform)'=='Debug-VC17|x64'">CompileAsCpp</CompileAs>
-      <CompileAs Condition="'$(Configuration)|$(Platform)'=='Debug-VC08|x64'">CompileAsCpp</CompileAs>
-      <CompileAs Condition="'$(Configuration)|$(Platform)'=='Release|x64'">CompileAsCpp</CompileAs>
-    </ClCompile>
-    <ClCompile Include="..\shared\WMI.c">
-      <CompileAs Condition="'$(Configuration)|$(Platform)'=='Debug-VC17|Win32'">CompileAsCpp</CompileAs>
-      <CompileAs Condition="'$(Configuration)|$(Platform)'=='Debug-VC08|Win32'">CompileAsCpp</CompileAs>
-      <CompileAs Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">CompileAsCpp</CompileAs>
-      <CompileAs Condition="'$(Configuration)|$(Platform)'=='Debug-VC17|x64'">CompileAsCpp</CompileAs>
-      <CompileAs Condition="'$(Configuration)|$(Platform)'=='Debug-VC08|x64'">CompileAsCpp</CompileAs>
-      <CompileAs Condition="'$(Configuration)|$(Platform)'=='Release|x64'">CompileAsCpp</CompileAs>
-    </ClCompile>
-    <ClCompile Include="ElevationHelper.cpp" />
-    <ClCompile Include="LaunchUpdateSite.cpp" />
-    <ClCompile Include="LegacyUpdateCtrl.cpp" />
-    <ClCompile Include="Compat.cpp" />
-    <ClCompile Include="ProgressBarControl.cpp" />
-    <ClCompile Include="stdafx.cpp">
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug-VC08|Win32'">Create</PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug-VC08|x64'">Create</PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug-VC17|Win32'">Create</PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug-VC17|x64'">Create</PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">Create</PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|x64'">Create</PrecompiledHeader>
-    </ClCompile>
-    <ClCompile Include="Utils.cpp" />
-    <ClCompile Include="dlldatax.c">
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug-VC08|Win32'">
-      </PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug-VC08|x64'">
-      </PrecompiledHeader>
-      <CompileAsManaged Condition="'$(Configuration)|$(Platform)'=='Debug-VC08|Win32'">false</CompileAsManaged>
-      <CompileAsManaged Condition="'$(Configuration)|$(Platform)'=='Debug-VC08|x64'">false</CompileAsManaged>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug-VC17|Win32'">
-      </PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug-VC17|x64'">
-      </PrecompiledHeader>
-      <CompileAsManaged Condition="'$(Configuration)|$(Platform)'=='Debug-VC17|Win32'">false</CompileAsManaged>
-      <CompileAsManaged Condition="'$(Configuration)|$(Platform)'=='Debug-VC17|x64'">false</CompileAsManaged>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
-      </PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
-      </PrecompiledHeader>
-      <CompileAsManaged Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">false</CompileAsManaged>
-      <CompileAsManaged Condition="'$(Configuration)|$(Platform)'=='Release|x64'">false</CompileAsManaged>
-    </ClCompile>
-    <ClCompile Include="dllmain.cpp">
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug-VC08|Win32'">
-      </PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug-VC08|x64'">
-      </PrecompiledHeader>
-      <CompileAsManaged Condition="'$(Configuration)|$(Platform)'=='Debug-VC08|Win32'">false</CompileAsManaged>
-      <CompileAsManaged Condition="'$(Configuration)|$(Platform)'=='Debug-VC08|x64'">false</CompileAsManaged>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug-VC17|Win32'">
-      </PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug-VC17|x64'">
-      </PrecompiledHeader>
-      <CompileAsManaged Condition="'$(Configuration)|$(Platform)'=='Debug-VC17|Win32'">false</CompileAsManaged>
-      <CompileAsManaged Condition="'$(Configuration)|$(Platform)'=='Debug-VC17|x64'">false</CompileAsManaged>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
-      </PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
-      </PrecompiledHeader>
-      <CompileAsManaged Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">false</CompileAsManaged>
-      <CompileAsManaged Condition="'$(Configuration)|$(Platform)'=='Release|x64'">false</CompileAsManaged>
-    </ClCompile>
-    <ClCompile Include="LegacyUpdate_i.c">
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug-VC08|Win32'">
-      </PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug-VC08|x64'">
-      </PrecompiledHeader>
-      <CompileAsManaged Condition="'$(Configuration)|$(Platform)'=='Debug-VC08|Win32'">false</CompileAsManaged>
-      <CompileAsManaged Condition="'$(Configuration)|$(Platform)'=='Debug-VC08|x64'">false</CompileAsManaged>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug-VC17|Win32'">
-      </PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug-VC17|x64'">
-      </PrecompiledHeader>
-      <CompileAsManaged Condition="'$(Configuration)|$(Platform)'=='Debug-VC17|Win32'">false</CompileAsManaged>
-      <CompileAsManaged Condition="'$(Configuration)|$(Platform)'=='Debug-VC17|x64'">false</CompileAsManaged>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
-      </PrecompiledHeader>
-      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
-      </PrecompiledHeader>
-      <CompileAsManaged Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">false</CompileAsManaged>
-      <CompileAsManaged Condition="'$(Configuration)|$(Platform)'=='Release|x64'">false</CompileAsManaged>
-    </ClCompile>
-  </ItemGroup>
-  <ItemGroup>
-    <ClInclude Include="..\include\wuerror.h" />
-    <ClInclude Include="..\shared\Exec.h" />
-    <ClInclude Include="..\shared\LegacyUpdate.h" />
-    <ClInclude Include="..\shared\VersionInfo.h" />
-    <ClInclude Include="..\shared\WMI.h" />
-    <ClInclude Include="..\shared\HResult.h" />
-    <ClInclude Include="Compat.h" />
-    <ClInclude Include="ElevationHelper.h" />
-    <ClInclude Include="IUpdateInstaller4.h" />
-    <ClInclude Include="LaunchUpdateSite.h" />
-    <ClInclude Include="LegacyUpdateCtrl.h" />
-    <ClInclude Include="ProgressBarControl.h" />
-    <ClInclude Include="Resource.h" />
-    <ClInclude Include="stdafx.h" />
-    <ClInclude Include="targetver.h" />
-    <ClInclude Include="Utils.h" />
-    <ClInclude Include="dlldatax.h" />
-    <ClInclude Include="dllmain.h" />
-    <ClInclude Include="LegacyUpdate_i.h" />
-  </ItemGroup>
-  <ItemGroup>
-    <ResourceCompile Include="LegacyUpdate.rc" />
-  </ItemGroup>
-  <ItemGroup>
-    <Midl Include="LegacyUpdate.idl" />
-  </ItemGroup>
-  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
-  <ImportGroup Label="ExtensionTargets">
-  </ImportGroup>
-  <ProjectExtensions>
-    <VisualStudio>
-      <UserProperties RESOURCE_FILE="LegacyUpdate.rc" />
-    </VisualStudio>
-  </ProjectExtensions>
-</Project>

LegacyUpdate/LegacyUpdate.vcxproj.filters

@@ -1,168 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <ItemGroup>
-    <Filter Include="Source Files">
-      <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
-      <Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
-    </Filter>
-    <Filter Include="Header Files">
-      <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
-      <Extensions>h;hpp;hxx;hm;inl;inc;xsd</Extensions>
-    </Filter>
-    <Filter Include="Resource Files">
-      <UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>
-      <Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
-    </Filter>
-    <Filter Include="Shared">
-      <UniqueIdentifier>{7f88225c-35ff-498e-a402-49bc456952b5}</UniqueIdentifier>
-    </Filter>
-  </ItemGroup>
-  <ItemGroup>
-    <None Include="LegacyUpdate.def">
-      <Filter>Source Files</Filter>
-    </None>
-    <None Include="icon.ico">
-      <Filter>Resource Files</Filter>
-    </None>
-    <None Include="LegacyUpdate.rgs">
-      <Filter>Resource Files</Filter>
-    </None>
-    <None Include="LegacyUpdateCtrl.rgs">
-      <Filter>Resource Files</Filter>
-    </None>
-    <None Include="ProgressBarControl.rgs">
-      <Filter>Resource Files</Filter>
-    </None>
-    <None Include="ProgressBarControl.html" />
-    <None Include="ElevationHelper.rgs">
-      <Filter>Resource Files</Filter>
-    </None>
-  </ItemGroup>
-  <ItemGroup>
-    <ClCompile Include="stdafx.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="LegacyUpdateCtrl.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="Utils.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="LaunchUpdateSite.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="Compat.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="dlldatax.c">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="dllmain.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="LegacyUpdate_i.c">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="ProgressBarControl.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="ElevationHelper.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="..\shared\WMI.c">
-      <Filter>Shared</Filter>
-    </ClCompile>
-    <ClCompile Include="..\shared\Registry.c">
-      <Filter>Shared</Filter>
-    </ClCompile>
-    <ClCompile Include="..\shared\VersionInfo.c">
-      <Filter>Shared</Filter>
-    </ClCompile>
-    <ClCompile Include="..\shared\HResult.c">
-      <Filter>Shared</Filter>
-    </ClCompile>
-    <ClCompile Include="..\shared\Exec.c">
-      <Filter>Shared</Filter>
-    </ClCompile>
-    <ClCompile Include="..\shared\LegacyUpdate.c">
-      <Filter>Shared</Filter>
-    </ClCompile>
-  </ItemGroup>
-  <ItemGroup>
-    <ClInclude Include="stdafx.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
-    <ClInclude Include="targetver.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
-    <ClInclude Include="Resource.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
-    <ClInclude Include="LegacyUpdateCtrl.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
-    <ClInclude Include="Utils.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
-    <ClInclude Include="LaunchUpdateSite.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
-    <ClInclude Include="Compat.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
-    <ClInclude Include="dlldatax.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
-    <ClInclude Include="dllmain.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
-    <ClInclude Include="LegacyUpdate_i.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
-    <ClInclude Include="ProgressBarControl.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
-    <ClInclude Include="ElevationHelper.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
-    <ClInclude Include="..\shared\WMI.h">
-      <Filter>Shared</Filter>
-    </ClInclude>
-    <ClInclude Include="..\shared\VersionInfo.h">
-      <Filter>Shared</Filter>
-    </ClInclude>
-    <ClInclude Include="..\shared\HResult.h">
-      <Filter>Shared</Filter>
-    </ClInclude>
-    <ClInclude Include="..\include\wuerror.h">
-      <Filter>Shared</Filter>
-    </ClInclude>
-    <ClInclude Include="IUpdateInstaller4.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
-    <ClInclude Include="..\shared\Exec.h">
-      <Filter>Shared</Filter>
-    </ClInclude>
-    <ClInclude Include="..\shared\LegacyUpdate.h">
-      <Filter>Shared</Filter>
-    </ClInclude>
-  </ItemGroup>
-  <ItemGroup>
-    <ResourceCompile Include="LegacyUpdate.rc">
-      <Filter>Resource Files</Filter>
-    </ResourceCompile>
-  </ItemGroup>
-  <ItemGroup>
-    <Midl Include="LegacyUpdate.idl">
-      <Filter>Source Files</Filter>
-    </Midl>
-    <Midl Include="wuapi.idl">
-      <Filter>Source Files</Filter>
-    </Midl>
-  </ItemGroup>
-  <ItemGroup>
-    <CustomBuild Include="wuerror.mc">
-      <Filter>Resource Files</Filter>
-    </CustomBuild>
-  </ItemGroup>
-</Project>

LegacyUpdate/LegacyUpdateCtrl.cpp

@@ -1,521 +0,0 @@
-// LegacyUpdateCtrl.cpp : Implementation of the CLegacyUpdateCtrl ActiveX Control class.
-
-#include "stdafx.h"
-#include "LegacyUpdateCtrl.h"
-#include "Compat.h"
-#include "ElevationHelper.h"
-#include "Exec.h"
-#include "HResult.h"
-#include "LegacyUpdate.h"
-#include "Registry.h"
-#include "User.h"
-#include "Utils.h"
-#include "VersionInfo.h"
-#include "WULog.h"
-#include <atlbase.h>
-#include <ShlObj.h>
-#include <wuapi.h>
-#include "IUpdateInstaller4.h"
-
-#ifdef _DEBUG
-#define new DEBUG_NEW
-#endif
-
-const BSTR permittedHosts[] = {
-	L"legacyupdate.net",
-	L"test.legacyupdate.net",
-	NULL
-};
-
-// CLegacyUpdateCtrl message handlers
-
-IHTMLDocument2 *CLegacyUpdateCtrl::GetHTMLDocument() {
-	CComPtr<IOleClientSite> clientSite;
-	HRESULT hr = GetClientSite(&clientSite);
-	if (!SUCCEEDED(hr) || clientSite == NULL) {
-		TRACE("GetDocument() failed: %ls\n", GetMessageForHresult(hr));
-		return NULL;
-	}
-
-	CComPtr<IOleContainer> container;
-	hr = clientSite->GetContainer(&container);
-	if (!SUCCEEDED(hr) || container == NULL) {
-		TRACE("GetDocument() failed: %ls\n", GetMessageForHresult(hr));
-		return NULL;
-	}
-
-	CComPtr<IHTMLDocument2> document;
-	hr = container->QueryInterface(IID_IHTMLDocument2, (void **)&document);
-	if (!SUCCEEDED(hr) || document == NULL) {
-		TRACE("GetDocument() failed: %ls\n", GetMessageForHresult(hr));
-		return NULL;
-	}
-
-	return document.Detach();
-}
-
-HWND CLegacyUpdateCtrl::GetIEWindowHWND() {
-	CComPtr<IOleWindow> oleWindow;
-	HRESULT hr = QueryInterface(IID_IOleWindow, (void **)&oleWindow);
-	if (!SUCCEEDED(hr) || !oleWindow) {
-		goto end;
-	}
-
-	HWND hwnd;
-	hr = oleWindow->GetWindow(&hwnd);
-	if (!SUCCEEDED(hr)) {
-		goto end;
-	}
-
-	return hwnd;
-
-end:
-	if (!SUCCEEDED(hr)) {
-		TRACE("GetIEWindowHWND() failed: %ls\n", GetMessageForHresult(hr));
-	}
-	return 0;
-}
-
-BOOL CLegacyUpdateCtrl::IsPermitted(void) {
-	CComPtr<IHTMLDocument2> document = GetHTMLDocument();
-	if (document == NULL) {
-#ifdef _DEBUG
-		// Allow debugging outside of IE (e.g. via PowerShell)
-		TRACE("GetHTMLDocument() failed - allowing anyway due to debug build\n");
-		return TRUE;
-#else
-		return FALSE;
-#endif
-	}
-
-	CComPtr<IHTMLLocation> location;
-	CComBSTR host;
-	HRESULT hr = document->get_location(&location);
-	if (!SUCCEEDED(hr) || location == NULL) {
-		goto end;
-	}
-
-	hr = location->get_host(&host);
-	if (!SUCCEEDED(hr)) {
-		goto end;
-	}
-
-	for (int i = 0; permittedHosts[i] != NULL; i++) {
-		if (wcscmp(host, permittedHosts[i]) == 0) {
-			return TRUE;
-		}
-	}
-
-end:
-	if (!SUCCEEDED(hr)) {
-		TRACE("IsPermitted() failed: %ls\n", GetMessageForHresult(hr));
-	}
-	return FALSE;
-}
-
-STDMETHODIMP CLegacyUpdateCtrl::GetElevatedHelper(CComPtr<IElevationHelper> &retval) {
-	CComPtr<IElevationHelper> elevatedHelper = m_elevatedHelper ? m_elevatedHelper : m_nonElevatedHelper;
-	if (elevatedHelper == NULL) {
-		// Use the helper directly, without elevation. It's the responsibility of the caller to ensure it
-		// is already running as admin on 2k/XP, or that it has requested elevation on Vista+.
-		HRESULT hr = m_nonElevatedHelper.CoCreateInstance(CLSID_ElevationHelper, NULL, CLSCTX_INPROC_SERVER);
-		if (!SUCCEEDED(hr)) {
-			return hr;
-		}
-
-		elevatedHelper = m_nonElevatedHelper;
-	}
-
-	retval = elevatedHelper;
-	return S_OK;
-}
-
-#define DoIsPermittedCheck() \
-	if (!IsPermitted()) { \
-		return E_ACCESSDENIED; \
-	}
-
-STDMETHODIMP CLegacyUpdateCtrl::SetClientSite(IOleClientSite *pClientSite) {
-	HRESULT hr = IOleObjectImpl::SetClientSite(pClientSite);
-	if (!SUCCEEDED(hr)) {
-		return hr;
-	}
-
-	DoIsPermittedCheck();
-	return S_OK;
-}
-
-STDMETHODIMP CLegacyUpdateCtrl::CheckControl(VARIANT_BOOL *retval) {
-	DoIsPermittedCheck();
-
-	// Just return true so the site can confirm the control is working.
-	*retval = VARIANT_TRUE;
-	return S_OK;
-}
-
-STDMETHODIMP CLegacyUpdateCtrl::MessageForHresult(LONG inHresult, BSTR *retval) {
-	DoIsPermittedCheck();
-	*retval = SysAllocString(GetMessageForHresult(inHresult));
-	return S_OK;
-}
-
-STDMETHODIMP CLegacyUpdateCtrl::GetOSVersionInfo(OSVersionField osField, LONG systemMetric, VARIANT *retval) {
-	DoIsPermittedCheck();
-
-	VariantInit(retval);
-
-	OSVERSIONINFOEX *versionInfo = GetVersionInfo();
-
-	switch (osField) {
-	case e_majorVer:
-		retval->vt = VT_UI4;
-		retval->ulVal = versionInfo->dwMajorVersion;
-		break;
-
-	case e_minorVer:
-		retval->vt = VT_UI4;
-		retval->ulVal = versionInfo->dwMinorVersion;
-		break;
-
-	case e_buildNumber:
-		retval->vt = VT_UI4;
-		retval->ulVal = versionInfo->dwBuildNumber;
-		break;
-
-	case e_platform:
-		retval->vt = VT_UI4;
-		retval->ulVal = versionInfo->dwPlatformId;
-		break;
-
-	case e_SPMajor:
-		retval->vt = VT_I4;
-		retval->lVal = versionInfo->wServicePackMajor;
-		break;
-
-	case e_SPMinor:
-		retval->vt = VT_I4;
-		retval->lVal = versionInfo->wServicePackMinor;
-		break;
-
-	case e_productSuite:
-		retval->vt = VT_I4;
-		retval->lVal = versionInfo->wSuiteMask;
-		break;
-
-	case e_productType:
-		retval->vt = VT_I4;
-		retval->lVal = versionInfo->wProductType;
-		break;
-
-	case e_systemMetric:
-		retval->vt = VT_I4;
-		retval->lVal = GetSystemMetrics(systemMetric);
-		break;
-
-	case e_SPVersionString: {
-		LPWSTR data;
-		DWORD size;
-		HRESULT hr = GetRegistryString(HKEY_LOCAL_MACHINE, L"SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion", L"BuildLab", 0, &data, &size);
-		retval->vt = VT_BSTR;
-		retval->bstrVal = SUCCEEDED(hr)
-			? SysAllocStringLen(data, size - 1)
-			// BuildLab doesn't exist on Windows 2000.
-			: SysAllocString(versionInfo->szCSDVersion);
-		if (data) {
-			LocalFree(data);
-		}
-		break;
-	}
-
-	case e_controlVersionString: {
-		LPWSTR data;
-		HRESULT hr = GetOwnVersion(&data);
-		if (!SUCCEEDED(hr)) {
-			return hr;
-		}
-		retval->vt = VT_BSTR;
-		retval->bstrVal = SysAllocString(data);
-		break;
-	}
-
-	case e_VistaProductType: {
-		DWORD productType;
-		GetVistaProductInfo(versionInfo->dwMajorVersion, versionInfo->dwMinorVersion, versionInfo->wServicePackMajor, versionInfo->wServicePackMinor, &productType);
-		retval->vt = VT_UI4;
-		retval->ulVal = productType;
-		break;
-	}
-
-	case e_productName: {
-		HRESULT hr = GetOSProductName(retval);
-		if (!SUCCEEDED(hr)) {
-			LPWSTR data;
-			DWORD size;
-			hr = GetRegistryString(HKEY_LOCAL_MACHINE, L"SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion", L"ProductName", 0, &data, &size);
-			if (SUCCEEDED(hr)) {
-				retval->vt = VT_BSTR;
-				retval->bstrVal = SysAllocStringLen(data, size - 1);
-			}
-		}
-		break;
-	}
-
-	case e_displayVersion: {
-		LPWSTR data;
-		DWORD size;
-		HRESULT hr = GetRegistryString(HKEY_LOCAL_MACHINE, L"SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion", L"DisplayVersion", 0, &data, &size);
-		if (SUCCEEDED(hr)) {
-			retval->vt = VT_BSTR;
-			retval->bstrVal = SysAllocStringLen(data, size - 1);
-			LocalFree(data);
-		}
-		break;
-	}
-	}
-
-	return S_OK;
-}
-
-STDMETHODIMP CLegacyUpdateCtrl::RequestElevation() {
-	DoIsPermittedCheck();
-
-	if (m_elevatedHelper != NULL || !AtLeastWinVista()) {
-		return S_OK;
-	}
-
-	// https://learn.microsoft.com/en-us/windows/win32/com/the-com-elevation-moniker
-	HRESULT hr = CoCreateInstanceAsAdmin(GetIEWindowHWND(), CLSID_ElevationHelper, IID_IElevationHelper, (void**)&m_elevatedHelper);
-	if (!SUCCEEDED(hr)) {
-		TRACE("RequestElevation() failed: %ls\n", GetMessageForHresult(hr));
-	}
-	return hr;
-}
-
-STDMETHODIMP CLegacyUpdateCtrl::CreateObject(BSTR progID, IDispatch **retval) {
-	DoIsPermittedCheck();
-
-	HRESULT hr = S_OK;
-	CComPtr<IElevationHelper> elevatedHelper;
-	if (progID == NULL) {
-		hr = E_INVALIDARG;
-		goto end;
-	}
-
-	if (!ProgIDIsPermitted(progID)) {
-		hr = E_ACCESSDENIED;
-		goto end;
-	}
-
-	hr = GetElevatedHelper(elevatedHelper);
-	if (!SUCCEEDED(hr)) {
-		goto end;
-	}
-
-	return elevatedHelper->CreateObject(progID, retval);
-
-end:
-	if (!SUCCEEDED(hr)) {
-		TRACE("CreateObject(%ls) failed: %ls\n", progID, GetMessageForHresult(hr));
-	}
-	return hr;
-}
-
-STDMETHODIMP CLegacyUpdateCtrl::SetBrowserHwnd(IUpdateInstaller *installer) {
-	DoIsPermittedCheck();
-
-	if (installer == NULL) {
-		return E_INVALIDARG;
-	}
-
-	CComPtr<IUpdateInstaller> updateInstaller = NULL;
-	HRESULT hr = installer->QueryInterface(IID_IUpdateInstaller, (void **)&updateInstaller);
-	if (!SUCCEEDED(hr)) {
-		return hr;
-	}
-
-	updateInstaller->put_ParentHwnd(GetIEWindowHWND());
-	return S_OK;
-}
-
-STDMETHODIMP CLegacyUpdateCtrl::GetUserType(UserType *retval) {
-	DoIsPermittedCheck();
-
-	if (IsUserAdmin()) {
-		// Entire process is elevated.
-		*retval = e_admin;
-	} else if (m_elevatedHelper != NULL) {
-		// Our control has successfully received elevation.
-		*retval = e_elevated;
-	} else {
-		// The control has no admin rights (although it may not have requested them yet).
-		*retval = e_nonAdmin;
-	}
-
-	return S_OK;
-}
-
-STDMETHODIMP CLegacyUpdateCtrl::get_IsRebootRequired(VARIANT_BOOL *retval) {
-	DoIsPermittedCheck();
-
-	// Ask WU itself whether a reboot is required
-	CComPtr<ISystemInformation> systemInfo;
-	if (SUCCEEDED(systemInfo.CoCreateInstance(CLSID_SystemInformation, NULL, CLSCTX_INPROC_SERVER))) {
-		if (SUCCEEDED(systemInfo->get_RebootRequired(retval)) && *retval == VARIANT_TRUE) {
-			return S_OK;
-		}
-	}
-
-	// Check reboot flag in registry
-	HKEY subkey;
-	HRESULT hr = HRESULT_FROM_WIN32(RegOpenKeyEx(HKEY_LOCAL_MACHINE, L"SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\WindowsUpdate\\Auto Update\\RebootRequired", KEY_WOW64_64KEY, KEY_READ, &subkey));
-	if (SUCCEEDED(hr)) {
-		RegCloseKey(subkey);
-		*retval = VARIANT_TRUE;
-		return S_OK;
-	}
-
-	*retval = VARIANT_FALSE;
-	return S_OK;
-}
-
-STDMETHODIMP CLegacyUpdateCtrl::get_IsWindowsUpdateDisabled(VARIANT_BOOL *retval) {
-	DoIsPermittedCheck();
-
-	// Future note: These are in HKCU on NT; HKLM on 9x.
-	// Remove links and access to Windows Update
-	DWORD value;
-	HRESULT hr = GetRegistryDword(HKEY_CURRENT_USER, L"SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Policies\\Explorer", L"NoWindowsUpdate", KEY_WOW64_64KEY, &value);
-	if (SUCCEEDED(hr) && value == 1) {
-		*retval = VARIANT_TRUE;
-		return S_OK;
-	}
-
-	// Remove access to use all Windows Update features
-	hr = GetRegistryDword(HKEY_CURRENT_USER, L"SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Policies\\WindowsUpdate", L"DisableWindowsUpdateAccess", KEY_WOW64_64KEY, &value);
-	if (SUCCEEDED(hr) && value == 1) {
-		*retval = VARIANT_TRUE;
-		return S_OK;
-	}
-
-	*retval = VARIANT_FALSE;
-	return S_OK;
-}
-
-STDMETHODIMP CLegacyUpdateCtrl::RebootIfRequired(void) {
-	DoIsPermittedCheck();
-
-	HRESULT hr = S_OK;
-	VARIANT_BOOL isRebootRequired;
-	if (SUCCEEDED(get_IsRebootRequired(&isRebootRequired)) && isRebootRequired == VARIANT_TRUE) {
-		// Calling Commit() is recommended on Windows 10, to ensure feature updates are properly prepared
-		// prior to the reboot. If IUpdateInstaller4 doesn't exist, we can skip this.
-		CComPtr<IUpdateInstaller4> installer;
-		hr = installer.CoCreateInstance(CLSID_UpdateInstaller, NULL, CLSCTX_INPROC_SERVER);
-		if (SUCCEEDED(hr) && hr != REGDB_E_CLASSNOTREG) {
-			hr = installer->Commit(0);
-			if (!SUCCEEDED(hr)) {
-				return hr;
-			}
-		}
-
-
-		CComPtr<IElevationHelper> elevatedHelper;
-		hr = GetElevatedHelper(elevatedHelper);
-		if (!SUCCEEDED(hr)) {
-			return hr;
-		}
-
-		hr = elevatedHelper->Reboot();
-	}
-
-	return hr;
-}
-
-static HRESULT StartLauncher(LPWSTR params, BOOL wait) {
-	LPWSTR path;
-	HRESULT hr = GetInstallPath(&path);
-	if (!SUCCEEDED(hr)) {
-		return hr;
-	}
-
-	PathAppend(path, L"LegacyUpdate.exe");
-
-	DWORD code;
-	hr = Exec(L"open", path, params, NULL, SW_SHOW, wait, &code);
-	if (SUCCEEDED(hr)) {
-		hr = HRESULT_FROM_WIN32(code);
-	}
-
-	return hr;
-}
-
-STDMETHODIMP CLegacyUpdateCtrl::ViewWindowsUpdateLog(void) {
-	DoIsPermittedCheck();
-
-	HRESULT hr = StartLauncher(L"/log", FALSE);
-	if (!SUCCEEDED(hr)) {
-		// Try directly
-		hr = ::ViewWindowsUpdateLog(SW_SHOWDEFAULT);
-	}
-
-	return hr;
-}
-
-STDMETHODIMP CLegacyUpdateCtrl::OpenWindowsUpdateSettings(void) {
-	DoIsPermittedCheck();
-
-	HRESULT hr = StartLauncher(L"/options", FALSE);
-	if (!SUCCEEDED(hr)) {
-		TRACE(L"OpenWindowsUpdateSettings() failed, falling back: %ls\n", GetMessageForHresult(hr));
-
-		// Might happen if the site isn't trusted, and the user rejected the IE medium integrity prompt.
-		// Use the basic Automatic Updates dialog directly from COM.
-		CComPtr<IAutomaticUpdates> automaticUpdates;
-		hr = automaticUpdates.CoCreateInstance(CLSID_AutomaticUpdates, NULL, CLSCTX_INPROC_SERVER);
-
-		if (SUCCEEDED(hr)) {
-			hr = automaticUpdates->ShowSettingsDialog();
-		}
-
-		if (!SUCCEEDED(hr)) {
-			TRACE(L"OpenWindowsUpdateSettings() failed: %ls\n", GetMessageForHresult(hr));
-		}
-	}
-
-	return hr;
-}
-
-STDMETHODIMP CLegacyUpdateCtrl::get_IsUsingWsusServer(VARIANT_BOOL *retval) {
-	DoIsPermittedCheck();
-
-	DWORD useWUServer;
-	HRESULT hr = GetRegistryDword(HKEY_LOCAL_MACHINE, L"SOFTWARE\\Policies\\Microsoft\\Windows\\WindowsUpdate\\AU", L"UseWUServer", 0, &useWUServer);
-	*retval = SUCCEEDED(hr) && useWUServer == 1 ? VARIANT_TRUE : VARIANT_FALSE;
-	return S_OK;
-}
-
-STDMETHODIMP CLegacyUpdateCtrl::get_WsusServerUrl(BSTR *retval) {
-	DoIsPermittedCheck();
-
-	LPWSTR data;
-	DWORD size;
-	HRESULT hr = GetRegistryString(HKEY_LOCAL_MACHINE, L"SOFTWARE\\Policies\\Microsoft\\Windows\\WindowsUpdate", L"WUServer", 0, &data, &size);
-	*retval = SUCCEEDED(hr) ? SysAllocStringLen(data, size - 1) : NULL;
-	if (data) {
-		LocalFree(data);
-	}
-	return S_OK;
-}
-
-STDMETHODIMP CLegacyUpdateCtrl::get_WsusStatusServerUrl(BSTR *retval) {
-	DoIsPermittedCheck();
-
-	LPWSTR data;
-	DWORD size;
-	HRESULT hr = GetRegistryString(HKEY_LOCAL_MACHINE, L"SOFTWARE\\Policies\\Microsoft\\Windows\\WindowsUpdate", L"WUStatusServer", 0, &data, &size);
-	*retval = SUCCEEDED(hr) ? SysAllocStringLen(data, size - 1) : NULL;
-	if (data) {
-		LocalFree(data);
-	}
-	return S_OK;
-}

LegacyUpdate/LegacyUpdateCtrl.h

@@ -1,119 +0,0 @@
-#pragma once
-
-// LegacyUpdateCtrl.h : Declaration of the CLegacyUpdateCtrl ActiveX Control class.
-
-// CLegacyUpdateCtrl : See LegacyUpdateCtrl.cpp for implementation.
-
-#include <atlctl.h>
-#include <MsHTML.h>
-#include <wuapi.h>
-#include "resource.h"
-#include "LegacyUpdate_i.h"
-
-// CLegacyUpdateCtrl
-class ATL_NO_VTABLE CLegacyUpdateCtrl :
-	public CComObjectRootEx<CComSingleThreadModel>,
-	public IDispatchImpl<ILegacyUpdateCtrl, &IID_ILegacyUpdateCtrl, &LIBID_LegacyUpdateLib, /*wMajor =*/ 1, /*wMinor =*/ 0>,
-	public IPersistStreamInitImpl<CLegacyUpdateCtrl>,
-	public IOleControlImpl<CLegacyUpdateCtrl>,
-	public IOleObjectImpl<CLegacyUpdateCtrl>,
-	public IOleInPlaceActiveObjectImpl<CLegacyUpdateCtrl>,
-	public IViewObjectExImpl<CLegacyUpdateCtrl>,
-	public IOleInPlaceObjectWindowlessImpl<CLegacyUpdateCtrl>,
-	public ISupportErrorInfo,
-	public IObjectWithSiteImpl<CLegacyUpdateCtrl>,
-	public IPersistStorageImpl<CLegacyUpdateCtrl>,
-	public IQuickActivateImpl<CLegacyUpdateCtrl>,
-	public IProvideClassInfo2Impl<&CLSID_LegacyUpdateCtrl, NULL, &LIBID_LegacyUpdateLib>,
-	public CComCoClass<CLegacyUpdateCtrl, &CLSID_LegacyUpdateCtrl>,
-	public CComControl<CLegacyUpdateCtrl> {
-private:
-	CComPtr<IElevationHelper> m_elevatedHelper;
-	CComPtr<IElevationHelper> m_nonElevatedHelper;
-
-public:
-	CLegacyUpdateCtrl() {
-		m_bWindowOnly = TRUE;
-	}
-
-	DECLARE_OLEMISC_STATUS(
-		OLEMISC_INVISIBLEATRUNTIME |
-		OLEMISC_ACTIVATEWHENVISIBLE |
-		OLEMISC_SETCLIENTSITEFIRST |
-		OLEMISC_INSIDEOUT |
-		OLEMISC_CANTLINKINSIDE |
-		OLEMISC_RECOMPOSEONRESIZE
-	)
-
-	DECLARE_REGISTRY_RESOURCEID(IDR_LEGACYUPDATECTRL)
-
-	BEGIN_COM_MAP(CLegacyUpdateCtrl)
-		COM_INTERFACE_ENTRY(ILegacyUpdateCtrl)
-		COM_INTERFACE_ENTRY(IDispatch)
-		COM_INTERFACE_ENTRY(IViewObjectEx)
-		COM_INTERFACE_ENTRY(IViewObject2)
-		COM_INTERFACE_ENTRY(IViewObject)
-		COM_INTERFACE_ENTRY(IOleInPlaceObjectWindowless)
-		COM_INTERFACE_ENTRY(IOleInPlaceObject)
-		COM_INTERFACE_ENTRY2(IOleWindow, IOleInPlaceObjectWindowless)
-		COM_INTERFACE_ENTRY(IOleInPlaceActiveObject)
-		COM_INTERFACE_ENTRY(IOleControl)
-		COM_INTERFACE_ENTRY(IOleObject)
-		COM_INTERFACE_ENTRY(IPersistStreamInit)
-		COM_INTERFACE_ENTRY2(IPersist, IPersistStreamInit)
-		COM_INTERFACE_ENTRY(ISupportErrorInfo)
-		COM_INTERFACE_ENTRY(IQuickActivate)
-		COM_INTERFACE_ENTRY(IPersistStorage)
-		COM_INTERFACE_ENTRY(IProvideClassInfo)
-		COM_INTERFACE_ENTRY(IProvideClassInfo2)
-	END_COM_MAP()
-
-	BEGIN_PROP_MAP(CLegacyUpdateCtrl)
-	END_PROP_MAP()
-
-	BEGIN_MSG_MAP(CLegacyUpdateCtrl)
-		CHAIN_MSG_MAP(CComControl<CLegacyUpdateCtrl>)
-		DEFAULT_REFLECTION_HANDLER()
-	END_MSG_MAP()
-
-	// ISupportsErrorInfo
-	STDMETHOD(InterfaceSupportsErrorInfo)(REFIID riid) {
-		return IsEqualGUID(riid, IID_ILegacyUpdateCtrl) ? S_OK : S_FALSE;
-	}
-
-	// IViewObjectEx
-	DECLARE_VIEW_STATUS(VIEWSTATUS_SOLIDBKGND | VIEWSTATUS_OPAQUE)
-
-	// ILegacyUpdateCtrl
-	DECLARE_PROTECT_FINAL_CONSTRUCT()
-
-	HRESULT FinalConstruct() { return S_OK; }
-	void FinalRelease() {}
-
-private:
-	IHTMLDocument2 *GetHTMLDocument();
-	HWND GetIEWindowHWND();
-	BOOL IsPermitted();
-	STDMETHODIMP GetElevatedHelper(CComPtr<IElevationHelper> &retval);
-
-public:
-	STDMETHODIMP SetClientSite(IOleClientSite *pClientSite);
-
-	STDMETHODIMP CheckControl(VARIANT_BOOL *retval);
-	STDMETHODIMP MessageForHresult(LONG inHresult, BSTR *retval);
-	STDMETHODIMP GetOSVersionInfo(OSVersionField osField, LONG systemMetric, VARIANT *retval);
-	STDMETHODIMP RequestElevation();
-	STDMETHODIMP CreateObject(BSTR progID, IDispatch **retval);
-	STDMETHODIMP SetBrowserHwnd(IUpdateInstaller *installer);
-	STDMETHODIMP GetUserType(UserType *retval);
-	STDMETHODIMP get_IsRebootRequired(VARIANT_BOOL *retval);
-	STDMETHODIMP get_IsWindowsUpdateDisabled(VARIANT_BOOL *retval);
-	STDMETHODIMP RebootIfRequired(void);
-	STDMETHODIMP ViewWindowsUpdateLog(void);
-	STDMETHODIMP OpenWindowsUpdateSettings(void);
-	STDMETHODIMP get_IsUsingWsusServer(VARIANT_BOOL *retval);
-	STDMETHODIMP get_WsusServerUrl(BSTR *retval);
-	STDMETHODIMP get_WsusStatusServerUrl(BSTR *retval);
-};
-
-OBJECT_ENTRY_AUTO(__uuidof(LegacyUpdateCtrl), CLegacyUpdateCtrl)

LegacyUpdate/LegacyUpdateCtrl.rgs

@@ -1,37 +0,0 @@
-HKCR
-{
-	LegacyUpdate.Control.1 = s 'LegacyUpdateCtrl Class'
-	{
-		CLSID = s '{AD28E0DF-5F5A-40B5-9432-85EFD97D1F9F}'
-	}
-	LegacyUpdate.Control = s 'LegacyUpdateCtrl Class'
-	{
-		CurVer = s 'LegacyUpdate.Control.1'
-	}
-	NoRemove CLSID
-	{
-		ForceRemove {AD28E0DF-5F5A-40B5-9432-85EFD97D1F9F} = s 'Legacy Update Control'
-		{
-			ProgID = s 'LegacyUpdate.Control.1'
-			VersionIndependentProgID = s 'LegacyUpdate.Control'
-			ForceRemove 'Programmable'
-			InprocServer32 = s '%MODULE%'
-			{
-				val ThreadingModel = s 'Apartment'
-			}
-			val AppID = s '%APPID%'
-			ForceRemove 'Control'
-			'MiscStatus' = s '0'
-			{
-				'1' = s '%OLEMISC%'
-			}
-			'TypeLib' = s '{05D22F33-C7C3-4C90-BDD9-CEDC86EA8FBE}'
-			'Version' = s '1.0'
-			'Implemented Categories'
-			{
-				'{7DD95801-9882-11CF-9FA9-00AA006C42C4}'
-				'{7DD95802-9882-11CF-9FA9-00AA006C42C4}'
-			}
-		}
-	}
-}

LegacyUpdate/Makefile

@@ -1,43 +0,0 @@
-override DEBUG := $(or $(DEBUG),1)
-
-MSBUILDCONFIG32 = $(if $(filter 1,$(DEBUG)),Debug-VC08,Release)
-MSBUILDCONFIG64 = $(if $(filter 1,$(DEBUG)),Debug-VC17,Release)
-
-MSBUILDFLAGS = /v:minimal /m
-
-ifeq ($(CI),1)
-ifeq ($(DEBUG),1)
-	MSBUILDCONFIG32 = Debug-VC17
-endif
-	MSBUILDFLAGS += /p:PlatformToolset=v141_xp
-endif
-
-MSBUILDFLAGS32 = $(MSBUILDFLAGS) /p:Configuration=$(MSBUILDCONFIG32) /p:Platform=Win32
-MSBUILDFLAGS64 = $(MSBUILDFLAGS) /p:Configuration=$(MSBUILDCONFIG64) /p:Platform=x64
-
-VSPATH ?= $(shell wslpath "$(shell '/mnt/c/Program Files (x86)/Microsoft Visual Studio/Installer/vswhere.exe' -latest -property installationPath)")
-PATH := $(VSPATH)/MSBuild/Current/Bin:$(PATH)
-
-MSBUILD = msbuild.exe
-
-all:
-	@# Workaround for "dlldatax.obj: LNK2001: unresolved external symbol _LegacyUpdate_ProxyFileInfo"
-	rm -f LegacyUpdate_p.c
-	cd ..; $(MSBUILD) $(MSBUILDFLAGS32) LegacyUpdate.sln
-	rm -f LegacyUpdate_p.c
-	cd ..; $(MSBUILD) $(MSBUILDFLAGS64) LegacyUpdate.sln
-
-ifeq ($(SIGN),1)
-	../build/sign.sh \
-		../Release/LegacyUpdate.dll \
-		../x64/Release/LegacyUpdate.dll
-endif
-
-clean:
-	rm -rf \
-		Debug-VC08 Debug-VC17 Release x64 \
-		LegacyUpdate_i.c LegacyUpdate_i.h LegacyUpdate_p.c LegacyUpdateidl.h
-	cd ..; $(MSBUILD) $(MSBUILDFLAGS32) LegacyUpdate.sln /t:Clean
-	cd ..; $(MSBUILD) $(MSBUILDFLAGS64) LegacyUpdate.sln /t:Clean
-
-.PHONY: all clean

LegacyUpdate/ProgressBarControl.cpp

@@ -1,65 +0,0 @@
-// ProgressBarControl.cpp : Implementation of CProgressBarControl
-#include "stdafx.h"
-#include "ProgressBarControl.h"
-#include <CommCtrl.h>
-
-#pragma comment(linker, "/manifestdependency:\"type='win32' name='Microsoft.Windows.Common-Controls' version='6.0.0.0' processorArchitecture='*' publicKeyToken='6595b64144ccf1df' language='*'\"")
-
-#ifndef PBS_MARQUEE
-#define PBS_MARQUEE 0x08
-#endif
-
-#ifndef PBM_SETMARQUEE
-#define PBM_SETMARQUEE (WM_USER + 10)
-#endif
-
-LRESULT CProgressBarControl::OnCreate(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled) {
-	RECT rc;
-	GetWindowRect(&rc);
-	rc.right -= rc.left;
-	rc.bottom -= rc.top;
-	rc.left = 0;
-	rc.top = 0;
-	m_ctl.Create(m_hWnd, rc, PROGRESS_CLASS, WS_CHILD | WS_VISIBLE, WS_EX_CLIENTEDGE);
-	put_Value(-1);
-	return 0;
-}
-
-STDMETHODIMP CProgressBarControl::SetObjectRects(LPCRECT prcPos, LPCRECT prcClip) {
-	IOleInPlaceObjectWindowlessImpl<CProgressBarControl>::SetObjectRects(prcPos, prcClip);
-	::SetWindowPos(m_ctl.m_hWnd, NULL, 0, 0,
-		prcPos->right - prcPos->left,
-		prcPos->bottom - prcPos->top,
-		SWP_NOZORDER | SWP_NOACTIVATE);
-	return S_OK;
-}
-
-STDMETHODIMP CProgressBarControl::get_Value(SHORT *pValue) {
-	if (m_ctl.GetWindowLongPtr(GWL_STYLE) & PBS_MARQUEE) {
-		// Marquee - no value
-		*pValue = -1;
-	} else {
-		// Normal - return PBM_GETPOS
-		*pValue = (SHORT)m_ctl.SendMessage(PBM_GETPOS, 0, 0);
-	}
-	return S_OK;
-}
-
-STDMETHODIMP CProgressBarControl::put_Value(SHORT value) {
-	if (value == -1) {
-		// Marquee style
-		m_ctl.SetWindowLongPtr(GWL_STYLE, m_ctl.GetWindowLongPtr(GWL_STYLE) | PBS_MARQUEE);
-		m_ctl.SendMessage(PBM_SETMARQUEE, TRUE, 100);
-	} else {
-		// Normal style
-		SHORT oldValue;
-		get_Value(&oldValue);
-		if (oldValue == -1) {
-			m_ctl.SetWindowLongPtr(GWL_STYLE, m_ctl.GetWindowLongPtr(GWL_STYLE) & ~PBS_MARQUEE);
-			m_ctl.SendMessage(PBM_SETRANGE, 0, MAKELPARAM(0, 100));
-		}
-
-		m_ctl.SendMessage(PBM_SETPOS, value, 0);
-	}
-	return S_OK;
-}

LegacyUpdate/ProgressBarControl.h

@@ -1,77 +0,0 @@
-#pragma once
-
-// ProgressBarControl.h : Declaration of the CProgressBarControl class.
-
-#include <atlctl.h>
-#include "resource.h"
-#include "LegacyUpdate_i.h"
-
-// CProgressBarControl
-class ATL_NO_VTABLE CProgressBarControl :
-	public CComObjectRootEx<CComSingleThreadModel>,
-	public IDispatchImpl<IProgressBarControl, &IID_IProgressBarControl, &LIBID_LegacyUpdateLib, /*wMajor =*/ 1, /*wMinor =*/ 0>,
-	public IOleControlImpl<CProgressBarControl>,
-	public IOleObjectImpl<CProgressBarControl>,
-	public IOleInPlaceActiveObjectImpl<CProgressBarControl>,
-	public IViewObjectExImpl<CProgressBarControl>,
-	public IOleInPlaceObjectWindowlessImpl<CProgressBarControl>,
-	public CComCoClass<CProgressBarControl, &CLSID_ProgressBarControl>,
-	public CComControl<CProgressBarControl>
-{
-public:
-	CContainedWindow m_ctl;
-
-	CProgressBarControl() : m_ctl(L"msctls_progress32", this, 1) {
-		m_bWindowOnly = TRUE;
-	}
-
-	DECLARE_OLEMISC_STATUS(
-		OLEMISC_RECOMPOSEONRESIZE |
-		OLEMISC_CANTLINKINSIDE |
-		OLEMISC_INSIDEOUT |
-		OLEMISC_ACTIVATEWHENVISIBLE |
-		OLEMISC_SETCLIENTSITEFIRST
-	)
-
-	DECLARE_REGISTRY_RESOURCEID(IDR_PROGRESSBARCONTROL)
-
-	BEGIN_COM_MAP(CProgressBarControl)
-		COM_INTERFACE_ENTRY(IProgressBarControl)
-		COM_INTERFACE_ENTRY(IDispatch)
-		COM_INTERFACE_ENTRY(IViewObjectEx)
-		COM_INTERFACE_ENTRY(IViewObject2)
-		COM_INTERFACE_ENTRY(IViewObject)
-		COM_INTERFACE_ENTRY(IOleInPlaceObjectWindowless)
-		COM_INTERFACE_ENTRY(IOleInPlaceObject)
-		COM_INTERFACE_ENTRY2(IOleWindow, IOleInPlaceObjectWindowless)
-		COM_INTERFACE_ENTRY(IOleInPlaceActiveObject)
-		COM_INTERFACE_ENTRY(IOleControl)
-		COM_INTERFACE_ENTRY(IOleObject)
-	END_COM_MAP()
-
-	BEGIN_PROP_MAP(CProgressBarControl)
-	END_PROP_MAP()
-
-	BEGIN_MSG_MAP(CProgressBarControl)
-		MESSAGE_HANDLER(WM_CREATE, OnCreate)
-		CHAIN_MSG_MAP(CComControl<CProgressBarControl>)
-		ALT_MSG_MAP(1)
-	END_MSG_MAP()
-
-	// IViewObjectEx
-	DECLARE_VIEW_STATUS(VIEWSTATUS_SOLIDBKGND | VIEWSTATUS_OPAQUE)
-
-	// IProgressBarControl
-	DECLARE_PROTECT_FINAL_CONSTRUCT()
-
-	HRESULT FinalConstruct() { return S_OK; }
-	void FinalRelease() {}
-
-	LRESULT OnCreate(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled);
-	STDMETHODIMP SetObjectRects(LPCRECT prcPos, LPCRECT prcClip);
-
-	STDMETHODIMP get_Value(SHORT *pValue);
-	STDMETHODIMP put_Value(SHORT value);
-};
-
-OBJECT_ENTRY_AUTO(__uuidof(ProgressBarControl), CProgressBarControl)

LegacyUpdate/ProgressBarControl.html

@@ -1,48 +0,0 @@
-<!DOCTYPE html>
-<html>
-<head>
-	<title>ATL test page for object ProgressBarControl</title>
-	<meta http-equiv="X-UA-Compatible" content="IE=8">
-	<meta http-equiv="MSThemeCompatible" content="yes">
-</head>
-<body>
-	<div style="border: 1px solid;">
-		<object id="ProgressBarControl" classid="CLSID:7b875a2f-2dfb-4d38-91f5-5c0bfb74c377" width="208" height="14"></object>
-	</div>
-
-	<div id="Value">-1</div>
-
-	<button onclick="marquee()">Marquee</button>
-	<button onclick="normal()">Normal</button>
-	<button onclick="zero()">Zero</button>
-
-	<script>
-		var timer = -1;
-
-		function marquee() {
-			if (timer !== -1) {
-				clearInterval(timer);
-			}
-
-			ProgressBarControl.Value = -1;
-			Value.innerText = "-1";
-		}
-
-		function normal() {
-			if (timer !== -1) {
-				clearInterval(timer);
-			}
-
-			timer = setInterval(function() {
-				var value = ProgressBarControl.Value;
-				Value.innerText = value;
-				ProgressBarControl.Value = value === 100 ? 0 : value + 1;
-			}, 100);
-		}
-
-		function zero() {
-			ProgressBarControl.Value = 0;
-		}
-	</script>
-</body>
-</html>

LegacyUpdate/ProgressBarControl.rgs

@@ -1,34 +0,0 @@
-HKCR
-{
-	LegacyUpdate.ProgressBar.1 = s 'ProgressBarControl Class'
-	{
-		CLSID = s '{7B875A2F-2DFB-4D38-91F5-5C0BFB74C377}'
-	}
-	LegacyUpdate.ProgressBar = s 'ProgressBarControl Class'
-	{
-		CurVer = s 'LegacyUpdate.ProgressBar.1'
-	}
-	NoRemove CLSID
-	{
-		ForceRemove {7B875A2F-2DFB-4D38-91F5-5C0BFB74C377} = s 'Legacy Update Progress Bar Control'
-		{
-			ForceRemove Programmable
-			InprocServer32 = s '%MODULE%'
-			{
-				val ThreadingModel = s 'Apartment'
-			}
-			ForceRemove Control
-			MiscStatus = s '0'
-			{
-				'1' = s '%OLEMISC%'
-			}
-			TypeLib = s '{05D22F33-C7C3-4C90-BDD9-CEDC86EA8FBE}'
-			Version = s '1.0'
-			'Implemented Categories'
-			{
-				'{7DD95801-9882-11CF-9FA9-00AA006C42C4}'
-				'{7DD95802-9882-11CF-9FA9-00AA006C42C4}'
-			}
-		}
-	}
-}

LegacyUpdate/Resource.h

@@ -1,20 +0,0 @@
-//{{NO_DEPENDENCIES}}
-// Microsoft Visual C++ generated include file.
-// Used by LegacyUpdate.rc
-//
-#define IDS_LEGACYUPDATE                1
-#define IDR_LEGACYUPDATEOCX             101
-#define IDR_LEGACYUPDATECTRL            102
-#define IDR_PROGRESSBARCONTROL          103
-#define IDR_ELEVATIONHELPER             104
-
-// Next default values for new objects
-//
-#ifdef APSTUDIO_INVOKED
-#ifndef APSTUDIO_READONLY_SYMBOLS
-#define _APS_NEXT_RESOURCE_VALUE        204
-#define _APS_NEXT_COMMAND_VALUE         32768
-#define _APS_NEXT_CONTROL_VALUE         201
-#define _APS_NEXT_SYMED_VALUE           105
-#endif
-#endif

LegacyUpdate/Utils.cpp

@@ -1,167 +0,0 @@
-#include "stdafx.h"
-#include <comdef.h>
-#include <atlstr.h>
-#include <shlwapi.h>
-#include "HResult.h"
-#include "WMI.h"
-#include "VersionInfo.h"
-
-#pragma comment(lib, "advapi32.lib")
-#pragma comment(lib, "shlwapi.lib")
-#pragma comment(lib, "version.lib")
-
-typedef DWORD (WINAPI *_InitiateShutdownW)(LPWSTR lpMachineName, LPWSTR lpMessage, DWORD dwGracePeriod, DWORD dwShutdownFlags, DWORD dwReason);
-
-static BOOL _loadedProductName = FALSE;
-static CComVariant _productName;
-
-typedef struct {
-	DWORD version;
-	DWORD osFlag;
-	LPWSTR library;
-	UINT stringIDs[3];
-} WinNT5Variant;
-
-static const WinNT5Variant nt5Variants[] = {
-	// XP
-	{0x0501, OS_TABLETPC,       L"winbrand.dll", { 180, 2000}},
-	{0x0501, OS_MEDIACENTER,    L"winbrand.dll", { 180, 2001}},
-	{0x0501, OS_STARTER,        L"winbrand.dll", { 180, 2002}},
-	{0x0501, OS_EMBPOS,         L"winbrand.dll", { 180, 2003}},
-	{0x0501, OS_WINFLP,         L"winbrand.dll", { 180, 2004}},
-	{0x0501, OS_EMBSTD2009,     L"winbrand.dll", { 180, 2005}},
-	{0x0501, OS_EMBPOS2009,     L"winbrand.dll", { 180, 2006}},
-	// Check for XP Embedded last as WES2009 also identifies as OS_EMBEDDED.
-	{0x0501, OS_EMBEDDED,       L"sysdm.cpl",    { 180, 189}},
-
-	// Server 2003
-	{0x0502, OS_APPLIANCE,      L"winbrand.dll", { 181, 2002}},
-	{0x0502, OS_STORAGESERVER,  L"wssbrand.dll", {1101, 1102}},
-	{0x0502, OS_COMPUTECLUSTER, L"hpcbrand.dll", {1101, 1102, 1103}},
-	{0x0502, OS_HOMESERVER,     L"whsbrand.dll", {1101, 1102}},
-};
-
-HRESULT GetOSProductName(LPVARIANT productName) {
-	if (!_loadedProductName) {
-		_loadedProductName = TRUE;
-		VariantInit(&_productName);
-
-		// Handle the absolute disaster of Windows XP/Server 2003 edition branding
-		WORD winver = GetWinVer();
-		if (HIBYTE(winver) == 5) {
-			WinNT5Variant variant = {};
-			for (DWORD i = 0; i < ARRAYSIZE(nt5Variants); i++) {
-				if (winver == nt5Variants[i].version && IsOS(nt5Variants[i].osFlag)) {
-					variant = nt5Variants[i];
-					break;
-				}
-			}
-
-			if (variant.version) {
-				HMODULE brandDll = LoadLibraryEx(variant.library, NULL, LOAD_LIBRARY_AS_DATAFILE);
-				if (brandDll) {
-					WCHAR brandStr[1024];
-					ZeroMemory(brandStr, ARRAYSIZE(brandStr));
-
-					DWORD j = 0;
-					while (variant.stringIDs[j] != 0) {
-						UINT id = variant.stringIDs[j];
-						WCHAR str[340];
-						if (id == 180 || id == 181) {
-							// Get "Microsoft Windows XP" or "Microsoft Windows Server 2003" string
-							HMODULE sysdm = LoadLibraryEx(L"sysdm.cpl", NULL, LOAD_LIBRARY_AS_DATAFILE);
-							if (sysdm) {
-								LoadString(sysdm, id, str, ARRAYSIZE(str));
-								FreeLibrary(sysdm);
-							}
-						} else {
-							LoadString(brandDll, id, str, ARRAYSIZE(str));
-						}
-
-						if (j > 0) {
-							wcscat(brandStr, L" ");
-						}
-
-						wcscat(brandStr, str);
-						j++;
-					}
-
-					_productName.vt = VT_BSTR;
-					_productName.bstrVal = SysAllocString(brandStr);
-					FreeLibrary(brandDll);
-				}
-			}
-		}
-
-		if (_productName.vt == VT_EMPTY) {
-			// Get from WMI
-			HRESULT hr = QueryWMIProperty(L"SELECT Caption FROM Win32_OperatingSystem", L"Caption", &_productName);
-			if (!SUCCEEDED(hr)) {
-				return hr;
-			}
-		}
-	}
-
-	VariantCopy(productName, &_productName);
-	return S_OK;
-}
-
-HRESULT Reboot() {
-	HRESULT hr = E_FAIL;
-
-	// Make sure we have permission to shut down
-	HANDLE token;
-	if (!OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &token)) {
-		hr = AtlHresultFromLastError();
-		TRACE("OpenProcessToken() failed: %ls\n", GetMessageForHresult(hr));
-		goto end;
-	}
-
-	LUID shutdownLuid;
-	if (!LookupPrivilegeValue(NULL, SE_SHUTDOWN_NAME, &shutdownLuid)) {
-		hr = AtlHresultFromLastError();
-		TRACE("LookupPrivilegeValue() failed: %ls\n", GetMessageForHresult(hr));
-		goto end;
-	}
-
-	// Ask the system nicely to give us shutdown privilege
-	TOKEN_PRIVILEGES privileges;
-	privileges.PrivilegeCount = 1;
-	privileges.Privileges[0].Luid = shutdownLuid;
-	privileges.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
-	if (!AdjustTokenPrivileges(token, FALSE, &privileges, 0, NULL, NULL)) {
-		hr = AtlHresultFromLastError();
-		TRACE("AdjustTokenPrivileges() failed: %ls\n", GetMessageForHresult(hr));
-		goto end;
-	}
-
-	// Reboot with reason "Operating System: Security fix (Unplanned)", ensuring to install updates.
-	// Try InitiateShutdown first (Vista+)
-	_InitiateShutdownW $InitiateShutdownW = (_InitiateShutdownW)GetProcAddress(GetModuleHandle(L"advapi32.dll"), "InitiateShutdownW");
-	if ($InitiateShutdownW) {
-		hr = HRESULT_FROM_WIN32($InitiateShutdownW(NULL, NULL, 0, SHUTDOWN_RESTART | SHUTDOWN_INSTALL_UPDATES, SHTDN_REASON_MAJOR_OPERATINGSYSTEM | SHTDN_REASON_MINOR_SECURITYFIX));
-	}
-
-	// Try InitiateSystemShutdownEx (2k/XP)
-	if (!SUCCEEDED(hr)) {
-		TRACE("InitiateShutdown() failed: %ls\n", GetMessageForHresult(hr));
-
-		if (InitiateSystemShutdownEx(NULL, NULL, 0, FALSE, TRUE, SHTDN_REASON_MAJOR_OPERATINGSYSTEM | SHTDN_REASON_MINOR_SECURITYFIX) == 0) {
-			hr = AtlHresultFromLastError();
-			TRACE("InitiateSystemShutdownExW() failed: %ls\n", GetMessageForHresult(hr));
-		}
-	}
-
-	// Last-ditch attempt ExitWindowsEx (only guaranteed to work for the current logged in user)
-	if (!ExitWindowsEx(EWX_REBOOT | EWX_FORCEIFHUNG, SHTDN_REASON_MAJOR_OPERATINGSYSTEM | SHTDN_REASON_MINOR_SECURITYFIX)) {
-		hr = AtlHresultFromLastError();
-		TRACE("ExitWindowsEx() failed: %ls\n", GetMessageForHresult(hr));
-	}
-
-end:
-	if (token) {
-		CloseHandle(token);
-	}
-
-	return hr;
-}

LegacyUpdate/Utils.h

@@ -1,5 +0,0 @@
-#pragma once
-
-HRESULT GetOSProductName(LPVARIANT productName);
-
-HRESULT Reboot();

LegacyUpdate/build.cmd

@@ -1,17 +0,0 @@
-@echo off
-setlocal enabledelayedexpansion
-cd %~dp0\..
-
-:: Clean
-call build\getvc.cmd x86
-msbuild LegacyUpdate.sln /v:quiet /m /p:Configuration=Release /p:Platform=Win32 /t:clean
-if "%errorlevel%" neq "0" exit /b %errorlevel%
-msbuild LegacyUpdate.sln /v:quiet /m /p:Configuration=Release /p:Platform=x64 /t:clean
-if "%errorlevel%" neq "0" exit /b %errorlevel%
-
-:: Build DLL
-msbuild LegacyUpdate.sln /v:minimal /m /p:Configuration=Release /p:Platform=Win32 %*
-if "%errorlevel%" neq "0" exit /b %errorlevel%
-call build\getvc.cmd x64
-msbuild LegacyUpdate.sln /v:minimal /m /p:Configuration=Release /p:Platform=x64 %*
-if "%errorlevel%" neq "0" exit /b %errorlevel%

LegacyUpdate/dlldata.c

@@ -1,38 +0,0 @@
-/*********************************************************
-   DllData file -- generated by MIDL compiler 
-
-        DO NOT ALTER THIS FILE
-
-   This file is regenerated by MIDL on every IDL file compile.
-
-   To completely reconstruct this file, delete it and rerun MIDL
-   on all the IDL files in this DLL, specifying this file for the
-   /dlldata command line option
-
-*********************************************************/
-
-#define PROXY_DELEGATION
-
-#include <rpcproxy.h>
-
-#ifdef __cplusplus
-extern "C"   {
-#endif
-
-EXTERN_PROXY_FILE( LegacyUpdate )
-
-
-PROXYFILE_LIST_START
-/* Start of list */
-  REFERENCE_PROXY_FILE( LegacyUpdate ),
-/* End of list */
-PROXYFILE_LIST_END
-
-
-DLLDATA_ROUTINES( aProxyFileList, GET_DLL_CLSID )
-
-#ifdef __cplusplus
-}  /*extern "C" */
-#endif
-
-/* end of generated dlldata file */

LegacyUpdate/dlldatax.c

@@ -1,18 +0,0 @@
-// wrapper for dlldata.c
-
-#ifdef _MERGE_PROXYSTUB // merge proxy stub DLL
-
-#define REGISTER_PROXY_DLL //DllRegisterServer, etc.
-
-#define _WIN32_WINNT _WIN32_WINNT_WIN2K	//for WinNT 4.0 or Win95 with DCOM
-#define USE_STUBLESS_PROXY	//defined only with MIDL switch /Oicf
-
-#pragma comment(lib, "rpcns4.lib")
-#pragma comment(lib, "rpcrt4.lib")
-
-#define ENTRY_PREFIX	Prx
-
-#include "dlldata.c"
-#include "LegacyUpdate_p.c"
-
-#endif //_MERGE_PROXYSTUB

LegacyUpdate/dlldatax.h

@@ -1,11 +0,0 @@
-#pragma once
-
-#ifdef _MERGE_PROXYSTUB
-extern "C" {
-	BOOL WINAPI PrxDllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID lpReserved);
-	STDAPI PrxDllCanUnloadNow(void);
-	STDAPI PrxDllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv);
-	STDAPI PrxDllRegisterServer(void);
-	STDAPI PrxDllUnregisterServer(void);
-}
-#endif

LegacyUpdate/dllmain.cpp

@@ -1,144 +0,0 @@
-// dllmain.cpp : Implementation of DLL Exports.
-
-#include "stdafx.h"
-#include "LegacyUpdate_i.h"
-#include "dllmain.h"
-
-#include <strsafe.h>
-
-#include "dlldatax.h"
-#include "Registry.h"
-#include "LegacyUpdate.h"
-
-CLegacyUpdateModule _AtlModule;
-HINSTANCE g_hInstance;
-
-// DLL Entry Point
-extern "C" BOOL WINAPI DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID lpReserved) {
-#ifdef _MERGE_PROXYSTUB
-	if (!PrxDllMain(hInstance, dwReason, lpReserved))
-		return FALSE;
-#endif
-
-	switch (dwReason) {
-	case DLL_PROCESS_ATTACH:
-		g_hInstance = hInstance;
-		break;
-
-	case DLL_PROCESS_DETACH:
-		g_hInstance = NULL;
-		break;
-	}
-
-	return _AtlModule.DllMain(dwReason, lpReserved);
-}
-
-
-// Used to determine whether the DLL can be unloaded by OLE
-STDAPI DllCanUnloadNow(void) {
-#ifdef _MERGE_PROXYSTUB
-	HRESULT hr = PrxDllCanUnloadNow();
-	if (hr != S_OK) {
-		return hr;
-	}
-#endif
-	return _AtlModule.DllCanUnloadNow();
-}
-
-
-// Returns a class factory to create an object of the requested type
-STDAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv) {
-#ifdef _MERGE_PROXYSTUB
-	if (PrxDllGetClassObject(rclsid, riid, ppv) == S_OK) {
-		return S_OK;
-	}
-#endif
-	return _AtlModule.DllGetClassObject(rclsid, riid, ppv);
-}
-
-
-// DllRegisterServer - Adds entries to the system registry
-STDAPI DllRegisterServer(void) {
-	// registers object, typelib and all interfaces in typelib
-	HRESULT hr = _AtlModule.DllRegisterServer();
-	if (!SUCCEEDED(hr)) {
-		return hr;
-	}
-
-	// Fix the icon path
-	HKEY subkey;
-	hr = HRESULT_FROM_WIN32(RegOpenKeyEx(HKEY_CLASSES_ROOT, L"CLSID\\{84F517AD-6438-478F-BEA8-F0B808DC257F}\\Elevation", 0, KEY_WRITE, &subkey));
-	if (!SUCCEEDED(hr)) {
-		return hr;
-	}
-
-	LPWSTR installPath;
-	hr = GetInstallPath(&installPath);
-	if (!SUCCEEDED(hr)) {
-		return hr;
-	}
-
-	WCHAR iconRef[512];
-	hr = StringCchPrintf((LPWSTR)&iconRef, ARRAYSIZE(iconRef), L"@%ls\\LegacyUpdate.exe,-100", installPath);
-	LocalFree(installPath);
-	if (!SUCCEEDED(hr)) {
-		return hr;
-	}
-
-	hr = HRESULT_FROM_WIN32(RegSetValueEx(subkey, L"IconReference", 0, REG_SZ, (LPBYTE)iconRef, (DWORD)(lstrlen(iconRef) + 1) * sizeof(TCHAR)));
-	if (!SUCCEEDED(hr)) {
-		return hr;
-	}
-
-	hr = RegCloseKey(subkey);
-
-#ifdef _MERGE_PROXYSTUB
-	if (!SUCCEEDED(hr)) {
-		return hr;
-	}
-
-	hr = PrxDllRegisterServer();
-#endif
-	return hr;
-}
-
-
-// DllUnregisterServer - Removes entries from the system registry
-STDAPI DllUnregisterServer(void) {
-	HRESULT hr = _AtlModule.DllUnregisterServer();
-#ifdef _MERGE_PROXYSTUB
-	if (FAILED(hr)) {
-		return hr;
-	}
-	hr = PrxDllRegisterServer();
-	if (FAILED(hr)) {
-		return hr;
-	}
-	hr = PrxDllUnregisterServer();
-#endif
-	return hr;
-}
-
-
-// DllInstall - Adds/Removes entries to the system registry per user per machine.
-STDAPI DllInstall(BOOL bInstall, LPCWSTR pszCmdLine) {
-	HRESULT hr = E_FAIL;
-	static const wchar_t szUserSwitch[] = L"user";
-
-	if (pszCmdLine != NULL) {
-		if (_wcsnicmp(pszCmdLine, szUserSwitch, _countof(szUserSwitch)) == 0) {
-			AtlSetPerUserRegistration(true);
-		}
-	}
-
-	if (bInstall) {
-		hr = DllRegisterServer();
-		if (FAILED(hr)) {
-			DllUnregisterServer();
-		}
-	} else {
-		hr = DllUnregisterServer();
-	}
-
-	return hr;
-}

LegacyUpdate/dllmain.h

@@ -1,10 +0,0 @@
-// dllmain.h : Declaration of module class.
-
-class CLegacyUpdateModule : public CAtlDllModuleT<CLegacyUpdateModule> {
-public:
-	DECLARE_LIBID(LIBID_LegacyUpdateLib)
-	DECLARE_REGISTRY_APPID_RESOURCEID(IDR_LEGACYUPDATEOCX, "{D0A82CD0-B6F0-4101-83ED-DA47D0D04830}")
-};
-
-extern class CLegacyUpdateModule _AtlModule;
-extern HINSTANCE g_hInstance;

LegacyUpdate/stdafx.cpp

@@ -1,5 +0,0 @@
-// stdafx.cpp : source file that includes just the standard includes
-//  LegacyUpdate.pch will be the pre-compiled header
-//  stdafx.obj will contain the pre-compiled type information
-
-#include "stdafx.h"

LegacyUpdate/stdafx.h

@@ -1,28 +0,0 @@
-#pragma once
-
-// stdafx.h : include file for standard system include files,
-// or project specific include files that are used frequently,
-// but are changed infrequently
-
-#ifndef STRICT
-#define STRICT
-#endif
-
-#include "targetver.h"
-
-#define _ATL_APARTMENT_THREADED
-#define _ATL_NO_AUTOMATIC_NAMESPACE
-
-#define _ATL_CSTRING_EXPLICIT_CONSTRUCTORS // some CString constructors will be explicit
-
-#define ISOLATION_AWARE_ENABLED 1 // Enable comctl 6.0 (visual styles)
-
-#include "resource.h"
-#include <atltrace.h>
-#include <atlbase.h>
-#include <atlcom.h>
-#include <atlctl.h>
-
-using namespace ATL;
-
-#define TRACE ATLTRACE

LegacyUpdate/targetver.h

@@ -1,11 +0,0 @@
-#pragma once
-
-#if _MSC_VER > 1599
-	// VC17: Windows XP
-	#define WINVER _WIN32_WINNT_WINXP
-	#define _WIN32_WINNT _WIN32_WINNT_WINXP
-#else
-	// VC08: Windows 2000 RTM
-	#define WINVER _WIN32_WINNT_WIN2K
-	#define _WIN32_WINNT _WIN32_WINNT_WIN2K
-#endif

Makefile

@@ -1,19 +0,0 @@
-export CI ?= 0
-export SIGN ?= 0
-export DEBUG ?= 1
-
-all:
-ifeq ($(DEBUG),0)
-	+$(MAKE) clean
-endif
-
-	+$(MAKE) -C LegacyUpdate
-	+$(MAKE) -C launcher
-	+$(MAKE) -C setup
-
-clean:
-	+$(MAKE) -C LegacyUpdate clean
-	+$(MAKE) -C launcher clean
-	+$(MAKE) -C setup clean
-
-.PHONY: all clean

build.cmd

@@ -13,9 +13,6 @@ if not exist "%ProgramFiles32%\NSIS\Bin\makensis.exe" (
 	exit /b 1
 )
 
-:: Build project
-call LegacyUpdate\build.cmd
-
 :: Build NSIS
 makensis setup\setup.nsi
 if "%errorlevel%" neq "0" exit /b %errorlevel%

build/getvc.cmd

@@ -1,23 +0,0 @@
-@REM @echo off
-setlocal enabledelayedexpansion
-
-set ProgramFiles32=%ProgramFiles%
-if "%ProgramFiles(x86)%" neq "" set ProgramFiles32=%ProgramFiles(x86)%
-
-:: Find Visual Studio installation
-if exist "%ProgramFiles32%\Microsoft Visual Studio\Installer\vswhere.exe" (
-	:: Get modern Visual Studio install path
-	for /f "usebackq tokens=*" %%i in (`"%ProgramFiles32%\Microsoft Visual Studio\Installer\vswhere.exe" -latest -property installationPath`) do set VSPath=%%i
-	set "vcvarsall=!VSPath!\VC\Auxiliary\Build\vcvarsall.bat"
-	if "%errorlevel%" neq "0" exit /b %errorlevel%
-) else if exist "%VS100COMNTOOLS%\..\..\VC\vcvarsall.bat" (
-	:: Visual Studio 2010
-	set "vcvarsall=%VS100COMNTOOLS%\..\..\VC\vcvarsall.bat"
-	if "%errorlevel%" neq "0" exit /b %errorlevel%
-) else (
-	echo Visual Studio not found. Refer to README.md. >&2
-	exit /b 1
-)
-
-endlocal & set "vcvarsall=%vcvarsall%"
-call "%vcvarsall%" %* >nul

build/sign.cmd

@@ -1,10 +0,0 @@
-@echo off
-setlocal enabledelayedexpansion
-
-:: Find Visual Studio installation
-call %~dp0getvc.cmd x64
-
-:: Sign
-signtool sign /n "Hashbang Productions" /tr http://time.certum.pl/ /fd SHA1 /td SHA256 /v %*
-signtool sign /n "Hashbang Productions" /tr http://time.certum.pl/ /fd SHA256 /td SHA256 /as /v %*
-if "%errorlevel%" neq "0" exit /b %errorlevel%

build/sign.sh

@@ -1,9 +0,0 @@
-#!/bin/bash
-args=("$(wslpath -w "$(dirname "$0")/sign.cmd")")
-for arg in "$@"; do
-	case "$arg" in
-		*/*) args+=("$(wslpath -w "$arg")") ;;
-		*)   args+=("$arg") ;;
-	esac
-done
-exec cmd.exe /c "${args[@]}"

include/licdll.idl

@@ -0,0 +1,170 @@
+
+import "oaidl.idl";
+
+// Generated .IDL file (by the OLE/COM Object Viewer)
+//
+// typelib filename: licdll.dll
+
+[
+  uuid(C7879482-F798-4A74-AF43-E887FBDCED40),
+  version(1.0),
+  helpstring("licdll 1.0 Type Library")
+]
+library LICDLLLib
+{
+	// TLib :     // TLib : OLE Automation : {00020430-0000-0000-C000-000000000046}
+	importlib("stdole2.tlb");
+
+	// Forward declare all types defined in this typelib
+	interface ICOMLicenseAgent;
+	interface ICOMLicenseAgent2;
+
+	[
+	  uuid(ACADF079-CBCD-4032-83F2-FA47C4DB096F),
+	  helpstring("COMLicenseAgent Class")
+	]
+	coclass COMLicenseAgent {
+		[default] interface ICOMLicenseAgent;
+		interface ICOMLicenseAgent2;
+	};
+
+	[
+	  odl,
+	  uuid(B8CBAD79-3F1F-481A-BB0C-E7BBD77BDDD1),
+	  helpstring("ICOMLicenseAgent Interface"),
+	  dual,
+	  oleautomation
+	]
+	interface ICOMLicenseAgent : IDispatch {
+		[id(0x00000001), helpstring("method Initialize")]
+		HRESULT Initialize(
+						[in] unsigned long dwBPC,
+						[in] unsigned long dwMode,
+						[in] BSTR bstrLicSource,
+						[out, retval] unsigned long* pdwRetCode);
+		[id(0x00000003), helpstring("method GetFirstName")]
+		HRESULT GetFirstName([out, retval] BSTR* pbstrVal);
+		[id(0x00000004), helpstring("method SetFirstName")]
+		HRESULT SetFirstName([in] BSTR bstrNewVal);
+		[id(0x00000005), helpstring("method GetLastName")]
+		HRESULT GetLastName([out, retval] BSTR* pbstrVal);
+		[id(0x00000006), helpstring("method SetLastName")]
+		HRESULT SetLastName([in] BSTR bstrNewVal);
+		[id(0x00000007), helpstring("method GetOrgName")]
+		HRESULT GetOrgName([out, retval] BSTR* pbstrVal);
+		[id(0x00000008), helpstring("method SetOrgName")]
+		HRESULT SetOrgName([in] BSTR bstrNewVal);
+		[id(0x00000009), helpstring("method GetEmail")]
+		HRESULT GetEmail([out, retval] BSTR* pbstrVal);
+		[id(0x0000000a), helpstring("method SetEmail")]
+		HRESULT SetEmail([in] BSTR bstrNewVal);
+		[id(0x0000000b), helpstring("method GetPhone")]
+		HRESULT GetPhone([out, retval] BSTR* pbstrVal);
+		[id(0x0000000c), helpstring("method SetPhone")]
+		HRESULT SetPhone([in] BSTR bstrNewVal);
+		[id(0x0000000d), helpstring("method GetAddress1")]
+		HRESULT GetAddress1([out, retval] BSTR* pbstrVal);
+		[id(0x0000000e), helpstring("method SetAddress1")]
+		HRESULT SetAddress1([in] BSTR bstrNewVal);
+		[id(0x0000000f), helpstring("method GetCity")]
+		HRESULT GetCity([out, retval] BSTR* pbstrVal);
+		[id(0x00000010), helpstring("method SetCity")]
+		HRESULT SetCity([in] BSTR bstrNewVal);
+		[id(0x00000011), helpstring("method GetState")]
+		HRESULT GetState([out, retval] BSTR* pbstrVal);
+		[id(0x00000012), helpstring("method SetState")]
+		HRESULT SetState([in] BSTR bstrNewVal);
+		[id(0x00000013), helpstring("method GetCountryCode")]
+		HRESULT GetCountryCode([out, retval] BSTR* pbstrVal);
+		[id(0x00000014), helpstring("method SetCountryCode")]
+		HRESULT SetCountryCode([in] BSTR bstrNewVal);
+		[id(0x00000015), helpstring("method GetCountryDesc")]
+		HRESULT GetCountryDesc([out, retval] BSTR* pbstrVal);
+		[id(0x00000016), helpstring("method SetCountryDesc")]
+		HRESULT SetCountryDesc([in] BSTR bstrNewVal);
+		[id(0x00000017), helpstring("method GetZip")]
+		HRESULT GetZip([out, retval] BSTR* pbstrVal);
+		[id(0x00000018), helpstring("method SetZip")]
+		HRESULT SetZip([in] BSTR bstrNewVal);
+		[id(0x00000019), helpstring("method GetIsoLanguage")]
+		HRESULT GetIsoLanguage([out, retval] unsigned long* pdwVal);
+		[id(0x0000001a), helpstring("method SetIsoLanguage")]
+		HRESULT SetIsoLanguage([in] unsigned long dwNewVal);
+		[id(0x00000020), helpstring("method GetMSUpdate")]
+		HRESULT GetMSUpdate([out, retval] BSTR* pbstrVal);
+		[id(0x00000021), helpstring("method SetMSUpdate")]
+		HRESULT SetMSUpdate([in] BSTR bstrNewVal);
+		[id(0x00000022), helpstring("method GetMSOffer")]
+		HRESULT GetMSOffer([out, retval] BSTR* pbstrVal);
+		[id(0x00000023), helpstring("method SetMSOffer")]
+		HRESULT SetMSOffer([in] BSTR bstrNewVal);
+		[id(0x00000024), helpstring("method GetOtherOffer")]
+		HRESULT GetOtherOffer([out, retval] BSTR* pbstrVal);
+		[id(0x00000025), helpstring("method SetOtherOffer")]
+		HRESULT SetOtherOffer([in] BSTR bstrNewVal);
+		[id(0x00000026), helpstring("method GetAddress2")]
+		HRESULT GetAddress2([out, retval] BSTR* pbstrVal);
+		[id(0x00000027), helpstring("method SetAddress2")]
+		HRESULT SetAddress2([in] BSTR bstrNewVal);
+		[id(0x00000052), helpstring("method AsyncProcessHandshakeRequest")]
+		HRESULT AsyncProcessHandshakeRequest([in] long bReviseCustInfo);
+		[id(0x00000053), helpstring("method AsyncProcessNewLicenseRequest")]
+		HRESULT AsyncProcessNewLicenseRequest();
+		[id(0x00000054), helpstring("method AsyncProcessReissueLicenseRequest")]
+		HRESULT AsyncProcessReissueLicenseRequest();
+		[id(0x00000056), helpstring("method AsyncProcessReviseCustInfoRequest")]
+		HRESULT AsyncProcessReviseCustInfoRequest();
+		[id(0x0000005a), helpstring("method GetAsyncProcessReturnCode")]
+		HRESULT GetAsyncProcessReturnCode([out, retval] unsigned long* pdwRetCode);
+		[id(0x0000005d), helpstring("method AsyncProcessDroppedLicenseRequest")]
+		HRESULT AsyncProcessDroppedLicenseRequest();
+		[id(0x00000064), helpstring("method GenerateInstallationId")]
+		HRESULT GenerateInstallationId([out, retval] BSTR* pbstrVal);
+		[id(0x00000065), helpstring("method DepositConfirmationId")]
+		HRESULT DepositConfirmationId(
+						[in] BSTR bstrVal,
+						[out, retval] unsigned long* pdwRetCode);
+		[id(0x00000066), helpstring("method GetExpirationInfo")]
+		HRESULT GetExpirationInfo(
+						[out] unsigned long* pdwWPALeft,
+						[out, retval] unsigned long* pdwEvalLeft);
+		[id(0x00000067), helpstring("method AsyncProcessRegistrationRequest")]
+		HRESULT AsyncProcessRegistrationRequest();
+		[id(0x00000068), helpstring("method ProcessHandshakeRequest")]
+		HRESULT ProcessHandshakeRequest([in] long bReviseCustInfo);
+		[id(0x00000069), helpstring("method ProcessNewLicenseRequest")]
+		HRESULT ProcessNewLicenseRequest();
+		[id(0x0000006a), helpstring("method ProcessDroppedLicenseRequest")]
+		HRESULT ProcessDroppedLicenseRequest();
+		[id(0x0000006b), helpstring("method ProcessReissueLicenseRequest")]
+		HRESULT ProcessReissueLicenseRequest();
+		[id(0x0000006d), helpstring("method ProcessReviseCustInfoRequest")]
+		HRESULT ProcessReviseCustInfoRequest();
+		[id(0x0000006e), helpstring("method EnsureInternetConnection")]
+		HRESULT EnsureInternetConnection();
+		[id(0x0000006f), helpstring("method SetProductKey")]
+		HRESULT SetProductKey([in] LPWSTR pszNewProductKey);
+		[id(0x00000070), helpstring("method GetProductID")]
+		HRESULT GetProductID([out, retval] BSTR* pbstrVal);
+		[id(0x00000071), helpstring("method VerifyCheckDigits")]
+		HRESULT VerifyCheckDigits(
+						BSTR bstrCIDIID,
+						[out, retval] long* pbValue);
+	};
+
+	[
+	  odl,
+	  uuid(6A07C5A3-9C67-4BB6-B020-ECBE7FDFD326),
+	  helpstring("ICOMLicenseAgent Interface 2"),
+	  dual,
+	  oleautomation
+	]
+	interface ICOMLicenseAgent2 : ICOMLicenseAgent {
+		[id(0x00000072), helpstring("method SetReminders")]
+		HRESULT SetReminders(long bValue);
+		[id(0x00000073), helpstring("method GetReminders")]
+		HRESULT GetReminders(long* pbValue);
+		[id(0x00000074), helpstring("method GetKeyType")]
+		HRESULT GetKeyType([out, retval] unsigned long* pdwKeyType);
+	};
+};

include/slpublic.h

@@ -0,0 +1,33 @@
+#pragma once
+
+#include <windows.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef GUID SLID;
+typedef PVOID HSLC;
+
+DEFINE_GUID(WINDOWS_SLID, 0x55c92734, 0xd682, 0x4d71, 0x98, 0x3e, 0xd6, 0xec, 0x3f, 0x16, 0x05, 0x9f);
+
+typedef enum _tagSLLICENSINGSTATUS {
+	SL_LICENSING_STATUS_UNLICENSED,
+	SL_LICENSING_STATUS_LICENSED,
+	SL_LICENSING_STATUS_IN_GRACE_PERIOD,
+	SL_LICENSING_STATUS_NOTIFICATION,
+	SL_LICENSING_STATUS_LAST
+} SLLICENSINGSTATUS;
+
+typedef struct _tagSL_LICENSING_STATUS {
+	SLID SkuId;
+	SLLICENSINGSTATUS eStatus;
+	DWORD dwGraceTime;
+	DWORD dwTotalGraceDays;
+	HRESULT hrReason;
+	UINT64 qwValidityExpiration;
+} SL_LICENSING_STATUS;
+
+#ifdef __cplusplus
+}
+#endif

launcher/CplTasks.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<applications xmlns="http://schemas.microsoft.com/windows/cpltasks/v1" xmlns:sh="http://schemas.microsoft.com/windows/tasks/v1">
+	<application id="{FFBE8D44-E9CF-4DD8-9FD6-976802C94D9C}">
+		<sh:task id="{9943E8C8-748D-47CE-AE10-9FA4A80ED28B}" needsElevation="true">
+			<sh:name>@&quot;%ProgramFiles%\Legacy Update\LegacyUpdate.exe&quot;,-3</sh:name>
+			<sh:keywords>legacy update;legacyupdate;update;windows;microsoft;driver;security;software;</sh:keywords>
+			<sh:command>&quot;%ProgramFiles%\Legacy Update\LegacyUpdate.exe&quot;</sh:command>
+		</sh:task>
+
+		<category id="5">
+			<sh:task idref="{9943E8C8-748D-47CE-AE10-9FA4A80ED28B}" />
+		</category>
+
+		<category id="10">
+			<sh:task idref="{9943E8C8-748D-47CE-AE10-9FA4A80ED28B}" />
+		</category>
+	</application>
+</applications>

launcher/InitRunOnce.c

@@ -0,0 +1,298 @@
+#include <windows.h>
+#include <commctrl.h>
+#include "MsgBox.h"
+#include "VersionInfo.h"
+#include "LoadImage.h"
+
+#define HK_RUNCMD 1
+
+typedef DWORD (__fastcall *_ThemeWaitForServiceReady)(DWORD timeout);
+typedef DWORD (__fastcall *_ThemeWatchForStart)();
+
+static const COLORREF WallpaperColorWin2k = RGB(58, 110, 165); // #3a6ea5
+static const COLORREF WallpaperColorWinXP = RGB( 0,  78, 152); // #004e98
+static const COLORREF WallpaperColorWin8  = RGB(32, 103, 178); // #2067b2
+static const COLORREF WallpaperColorWin10 = RGB(24,   0,  82); // #180052
+
+static const WCHAR RunOnceClassName[] = L"LegacyUpdateRunOnce";
+
+static HANDLE g_cmdHandle;
+
+static void StartThemes() {
+	// Ask UxInit.dll to ask the Themes service to start a session for this desktop. Themes doesn't automatically start a
+	// session for the SYSTEM desktop, so we need to ask it to. This matches what msoobe.exe does on first boot.
+
+	// Windows 7 moves this to UxInit.dll
+	HMODULE shsvcs = LoadLibrary(L"UxInit.dll");
+	if (!shsvcs) {
+		shsvcs = LoadLibrary(L"shsvcs.dll");
+		if (!shsvcs) {
+			return;
+		}
+	}
+
+	// Get functions by ordinals
+	_ThemeWaitForServiceReady $ThemeWaitForServiceReady = (_ThemeWaitForServiceReady)GetProcAddress(shsvcs, MAKEINTRESOURCEA(2));
+	_ThemeWatchForStart $ThemeWatchForStart = (_ThemeWatchForStart)GetProcAddress(shsvcs, MAKEINTRESOURCEA(1));
+
+	// 1. Wait up to 1000ms for Themes to start
+	if ($ThemeWaitForServiceReady) {
+		$ThemeWaitForServiceReady(1000);
+	}
+
+	// 2. Prompt Themes to start a session for the SYSTEM desktop
+	if ($ThemeWatchForStart) {
+		$ThemeWatchForStart();
+	}
+
+	FreeLibrary(shsvcs);
+}
+
+static BOOL RunCmd(LPPROCESS_INFORMATION processInfo) {
+	WCHAR cmd[MAX_PATH];
+	ExpandEnvironmentStrings(L"%SystemRoot%\\System32\\cmd.exe", cmd, ARRAYSIZE(cmd));
+
+	STARTUPINFO startupInfo = {0};
+	startupInfo.cb = sizeof(startupInfo);
+
+	if (!CreateProcess(NULL, cmd, NULL, NULL, FALSE, CREATE_NEW_CONSOLE, NULL, NULL, &startupInfo, processInfo)) {
+		MsgBox(NULL, L"Launching cmd.exe failed", NULL, MB_OK | MB_ICONERROR);
+		return FALSE;
+	}
+
+	CloseHandle(processInfo->hThread);
+	g_cmdHandle = processInfo->hProcess;
+	return TRUE;
+}
+
+static LRESULT CALLBACK RunOnceWndProc(HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam) {
+	switch (message) {
+	case WM_NCHITTEST:
+		// Don't accept any mouse input
+		return HTNOWHERE;
+
+	case WM_HOTKEY: {
+		// Shift-F10 to run cmd
+		if (wParam == HK_RUNCMD) {
+			DWORD exitCode;
+			if (!g_cmdHandle || (GetExitCodeProcess(g_cmdHandle, &exitCode) && exitCode != STILL_ACTIVE)) {
+				PROCESS_INFORMATION processInfo;
+				RunCmd(&processInfo);
+			}
+		}
+
+		break;
+	}
+
+	case WM_DESTROY:
+		PostQuitMessage(0);
+		break;
+	}
+
+	return DefWindowProc(hwnd, message, wParam, lParam);;
+}
+
+static void CreateRunOnceWindow() {
+	// Init common controls
+	INITCOMMONCONTROLSEX initComctl = {0};
+	initComctl.dwSize = sizeof(initComctl);
+	initComctl.dwICC = ICC_WIN95_CLASSES;
+	InitCommonControlsEx(&initComctl);
+
+	// Create window
+	WNDCLASS wndClass = {0};
+	wndClass.style = CS_VREDRAW | CS_HREDRAW | CS_OWNDC | CS_NOCLOSE;
+	wndClass.lpfnWndProc = RunOnceWndProc;
+	wndClass.hInstance = GetModuleHandle(NULL);
+	wndClass.lpszClassName = RunOnceClassName;
+	wndClass.hCursor = LoadCursor(NULL, IDC_ARROW);
+
+	if (!RegisterClass(&wndClass)) {
+		TRACE(L"RegisterClass failed: %d", GetLastError());
+		return;
+	}
+
+	HWND hwnd = CreateWindowEx(
+		WS_EX_TOOLWINDOW | WS_EX_NOACTIVATE,
+		wndClass.lpszClassName,
+		L"Legacy Update",
+		WS_POPUP,
+		0, 0, 0, 0,
+		NULL, NULL,
+		wndClass.hInstance,
+		NULL
+	);
+	if (!hwnd) {
+		TRACE(L"CreateWindow failed: %d", GetLastError());
+		return;
+	}
+
+	// Register hotkey
+	RegisterHotKey(hwnd, HK_RUNCMD, MOD_SHIFT, VK_F10);
+
+	// Check if the display is 8-bit color or lower
+	HDC dc = GetDC(NULL);
+	int bpp = GetDeviceCaps(dc, BITSPIXEL);
+	ReleaseDC(NULL, dc);
+	if (bpp >= 8) {
+		// Set the wallpaper color
+		COLORREF color = GetSysColor(COLOR_DESKTOP);
+		if (AtLeastWin10()) {
+			color = WallpaperColorWin10;
+		} else if (AtLeastWin8()) {
+			color = WallpaperColorWin8;
+		} else if ((IsWinXP2002() || IsWinXP2003()) && color == RGB(0, 0, 0)) {
+			// XP uses a black wallpaper in fast user switching mode. Override to the default blue.
+			color = WallpaperColorWinXP;
+		}
+		SetSysColors(1, (const INT[1]){COLOR_DESKTOP}, (const COLORREF[1]){color});
+
+		DWORD width = GetSystemMetrics(SM_CXSCREEN);
+		DWORD height = GetSystemMetrics(SM_CYSCREEN);
+		HBITMAP wallpaper;
+
+		if (IsWin7()) {
+			// 7: Bitmap in oobe dir
+			WCHAR bmpPath[MAX_PATH];
+			ExpandEnvironmentStrings(L"%SystemRoot%\\System32\\oobe\\background.bmp", bmpPath, ARRAYSIZE(bmpPath));
+			wallpaper = LoadImage(NULL, bmpPath, IMAGE_BITMAP, 0, 0, LR_LOADFROMFILE);
+		} else if (IsWinVista()) {
+			// Vista: Resources in ooberesources.dll
+			WCHAR ooberesPath[MAX_PATH];
+			ExpandEnvironmentStrings(L"%SystemRoot%\\System32\\oobe\\ooberesources.dll", ooberesPath, ARRAYSIZE(ooberesPath));
+			HMODULE ooberes = LoadLibrary(ooberesPath);
+			if (ooberes) {
+				// Width logic is the same used by Vista msoobe.dll
+				LPWSTR resource = GetSystemMetrics(SM_CXSCREEN) < 1200 ? L"OOBE_BACKGROUND_0" : L"OOBE_BACKGROUND_LARGE_0";
+				wallpaper = LoadPNGResource(ooberes, resource, RT_RCDATA);
+			}
+			FreeLibrary(ooberes);
+		}
+
+		if (wallpaper) {
+			// Write to disk
+			WCHAR tempPath[MAX_PATH];
+			ExpandEnvironmentStrings(L"%ProgramData%\\Legacy Update\\background.bmp", tempPath, ARRAYSIZE(tempPath));
+			if (GetFileAttributes(tempPath) != INVALID_FILE_ATTRIBUTES || ScaleAndWriteToBMP(wallpaper, width, height, tempPath)) {
+				SystemParametersInfo(SPI_SETDESKWALLPAPER, 0, (PVOID)tempPath, SPIF_SENDWININICHANGE);
+			}
+
+			DeleteObject(wallpaper);
+		}
+	}
+
+	ShowWindow(hwnd, SW_SHOW);
+	UpdateWindow(hwnd);
+}
+
+static BOOL IsSystemUser() {
+	BOOL result = FALSE;
+	PTOKEN_USER tokenInfo;
+	PSID systemSid;
+	HANDLE token;
+	if (!OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY, &token)) {
+		goto end;
+	}
+
+	DWORD tokenInfoLen;
+	GetTokenInformation(token, TokenUser, NULL, 0, &tokenInfoLen);
+	tokenInfo = (PTOKEN_USER)LocalAlloc(LPTR, tokenInfoLen);
+	if (!GetTokenInformation(token, TokenUser, tokenInfo, tokenInfoLen, &tokenInfoLen)) {
+		goto end;
+	}
+
+	DWORD sidSize = SECURITY_MAX_SID_SIZE;
+	systemSid = LocalAlloc(LPTR, sidSize);
+	if (!CreateWellKnownSid(WinLocalSystemSid, NULL, systemSid, &sidSize)) {
+		goto end;
+	}
+
+	result = EqualSid(tokenInfo->User.Sid, systemSid);
+
+end:
+	if (tokenInfo) {
+		LocalFree(tokenInfo);
+	}
+	if (systemSid) {
+		LocalFree(systemSid);
+	}
+	if (token) {
+		CloseHandle(token);
+	}
+	return result;
+}
+
+void RunOnce() {
+#ifndef _DEBUG
+	// Only relevant if we're SYSTEM
+	if (!IsSystemUser()) {
+		PostQuitMessage(1);
+		return;
+	}
+#endif
+
+	// Start Themes on this desktop
+	StartThemes();
+
+	// Find and hide the FirstUxWnd window, if it exists (Windows 7+)
+	HWND firstUxWnd = FindWindow(L"FirstUxWndClass", NULL);
+	if (firstUxWnd) {
+		ShowWindow(firstUxWnd, SW_HIDE);
+	}
+
+	// Set up our window
+	CreateRunOnceWindow();
+
+	// Construct path to LegacyUpdateSetup.exe
+	WCHAR setupPath[MAX_PATH];
+	GetModuleFileName(NULL, setupPath, ARRAYSIZE(setupPath));
+	wcsrchr(setupPath, L'\\')[1] = L'\0';
+	wcsncat(setupPath, L"LegacyUpdateSetup.exe", ARRAYSIZE(setupPath) - wcslen(setupPath) - 1);
+
+	// Execute and wait for completion
+	STARTUPINFO startupInfo = {0};
+	startupInfo.cb = sizeof(startupInfo);
+
+	PROCESS_INFORMATION processInfo = {0};
+	LPWSTR cmdLine = (LPWSTR)LocalAlloc(LPTR, 4096 * sizeof(WCHAR));
+	wsprintf(cmdLine, L"\"%ls\" /runonce", setupPath);
+	if (!CreateProcess(setupPath, cmdLine, NULL, NULL, FALSE, CREATE_NEW_CONSOLE, NULL, NULL, &startupInfo, &processInfo)) {
+#ifdef _DEBUG
+		// Run cmd.exe instead
+		if (!RunCmd(&processInfo)) {
+			PostQuitMessage(0);
+			return;
+		}
+#else
+		MsgBox(NULL, L"Continuing Legacy Update setup failed", NULL, MB_OK | MB_ICONERROR);
+		PostQuitMessage(0);
+		return;
+#endif
+	}
+
+	CloseHandle(processInfo.hThread);
+
+	// Wait for it to finish, while running a message loop
+	MSG msg;
+	while (WaitForSingleObject(processInfo.hProcess, 100) == WAIT_TIMEOUT) {
+		while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) {
+			TranslateMessage(&msg);
+			DispatchMessage(&msg);
+		}
+	}
+
+	CloseHandle(processInfo.hProcess);
+
+	// Don't let SYSTEM cmd keep running beyond runonce
+	if (g_cmdHandle) {
+		TerminateProcess(g_cmdHandle, 0);
+		CloseHandle(g_cmdHandle);
+	}
+
+	// Show FirstUxWnd again
+	if (firstUxWnd) {
+		ShowWindow(firstUxWnd, SW_SHOW);
+	}
+
+	PostQuitMessage(0);
+}

launcher/LaunchUpdateSite.c

@@ -0,0 +1,205 @@
+#include "stdafx.h"
+#include "main.h"
+#include "resource.h"
+#include <exdisp.h>
+#include "Exec.h"
+#include "HResult.h"
+#include "MsgBox.h"
+#include "RegisterServer.h"
+#include "Registry.h"
+#include "SelfElevate.h"
+#include "User.h"
+#include "VersionInfo.h"
+
+const LPWSTR UpdateSiteURLHttp      = L"http://legacyupdate.net/windowsupdate/v6/";
+const LPWSTR UpdateSiteURLHttps     = L"https://legacyupdate.net/windowsupdate/v6/";
+const LPWSTR UpdateSiteFirstRunFlag = L"?firstrun=true";
+
+DEFINE_GUID(IID_ILegacyUpdateCtrl,  0xC33085BB, 0xC3E1, 0x4D27, 0xA2, 0x14, 0xAF, 0x01, 0x95, 0x3D, 0xF5, 0xE5);
+DEFINE_GUID(CLSID_LegacyUpdateCtrl, 0xAD28E0DF, 0x5F5A, 0x40B5, 0x94, 0x32, 0x85, 0xEF, 0xD9, 0x7D, 0x1F, 0x9F);
+
+static const LPWSTR GetUpdateSiteURL() {
+	// Fallback: Use SSL only on Vista and up
+	BOOL useHTTPS = AtLeastWinVista();
+
+	// Get the Windows Update website URL set by Legacy Update setup
+	LPWSTR data;
+	DWORD size;
+	HRESULT hr = GetRegistryString(HKEY_LOCAL_MACHINE, L"SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\WindowsUpdate", L"URL", KEY_WOW64_64KEY, &data, &size);
+	if (SUCCEEDED(hr)) {
+		// Return based on the URL value
+		if (wcscmp(data, UpdateSiteURLHttps) == 0) {
+			useHTTPS = TRUE;
+		} else if (wcscmp(data, UpdateSiteURLHttp) == 0) {
+			useHTTPS = FALSE;
+		}
+		LocalFree(data);
+	}
+
+	return useHTTPS ? UpdateSiteURLHttps : UpdateSiteURLHttp;
+}
+
+void LaunchUpdateSite(int argc, LPWSTR *argv, int nCmdShow) {
+	HRESULT hr = S_OK;
+	IWebBrowser2 *browser;
+	VARIANT url;
+	VARIANT flags;
+	VARIANT nullVariant;
+	LPTSTR siteURL;
+	HMONITOR monitor;
+
+	// If running on 2k/XP, make sure we're elevated. If not, show Run As prompt.
+	if (!AtLeastWinVista() && !IsUserAdmin()) {
+		LPWSTR args = (LPWSTR)LocalAlloc(LPTR, 512 * sizeof(WCHAR));
+		wsprintf(args, L"/launch %ls", argc > 0 ? argv[0] : L"");
+		hr = SelfElevate(args, NULL);
+
+		// Access denied happens when the user clicks No/Cancel.
+		if (hr == HRESULT_FROM_WIN32(ERROR_CANCELLED)) {
+			hr = S_OK;
+		}
+
+		goto end;
+	}
+
+	// Can we instantiate our own ActiveX control? If not, try to register it.
+	hr = CoCreateInstance(&CLSID_LegacyUpdateCtrl, NULL, CLSCTX_LOCAL_SERVER, &IID_ILegacyUpdateCtrl, (void **)&browser);
+	if (hr == REGDB_E_CLASSNOTREG) {
+		hr = RegisterServer(0, TRUE, TRUE);
+		if (!SUCCEEDED(hr)) {
+			goto end;
+		}
+
+		hr = CoCreateInstance(&CLSID_LegacyUpdateCtrl, NULL, CLSCTX_LOCAL_SERVER, &IID_ILegacyUpdateCtrl, (void **)&browser);
+		if (!SUCCEEDED(hr)) {
+			goto end;
+		}
+
+		IUnknown_Release(browser);
+	} else if (!SUCCEEDED(hr)) {
+		goto end;
+	}
+
+	// Spawn an IE window via the COM interface. This ensures the page opens in IE (ShellExecute uses
+	// default browser), and avoids hardcoding a path to iexplore.exe. Also conveniently allows testing
+	// on Windows 11 (iexplore.exe redirects to Edge, but COM still works). Same strategy as used by
+	// Wupdmgr.exe and Muweb.dll,LaunchMUSite.
+	hr = CoCreateInstance(&CLSID_InternetExplorer, NULL, CLSCTX_LOCAL_SERVER, &IID_IWebBrowser2, (void **)&browser);
+	if (hr == REGDB_E_CLASSNOTREG) {
+		// Handle case where the user has uninstalled Internet Explorer using Programs and Features.
+		OSVERSIONINFOEX *versionInfo = GetVersionInfo();
+
+		// Windows 8+: Directly prompt to reinstall IE using Fondue.exe.
+		if (AtLeastWin8()) {
+			SYSTEM_INFO systemInfo;
+			GetSystemInfo(&systemInfo);
+			LPCTSTR archSuffix = systemInfo.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_AMD64 ? L"amd64" : L"x86";
+
+			WCHAR fondue[MAX_PATH];
+			ExpandEnvironmentStrings(L"%SystemRoot%\\System32\\fondue.exe", fondue, ARRAYSIZE(fondue));
+
+			WCHAR fondueArgs[256];
+			wsprintf(fondueArgs, L"/enable-feature:Internet-Explorer-Optional-%ls", archSuffix);
+			hr = Exec(NULL, fondue, fondueArgs, NULL, SW_SHOWDEFAULT, FALSE, NULL);
+			if (SUCCEEDED(hr)) {
+				goto end;
+			}
+		}
+
+		// Tell the user what they need to do, then open the Optional Features dialog.
+		WCHAR message[4096];
+		LoadString(GetModuleHandle(NULL), IDS_IENOTINSTALLED, message, ARRAYSIZE(message));
+		MsgBox(NULL, message, NULL, MB_OK | MB_ICONEXCLAMATION);
+
+		WCHAR optionalFeatures[MAX_PATH];
+		ExpandEnvironmentStrings(L"%SystemRoot%\\System32\\OptionalFeatures.exe", optionalFeatures, ARRAYSIZE(optionalFeatures));
+		Exec(NULL, optionalFeatures, NULL, NULL, SW_SHOWDEFAULT, FALSE, NULL);
+		hr = S_OK;
+		goto end;
+	} else if (!SUCCEEDED(hr)) {
+		goto end;
+	}
+
+	// Can we connect with https? WinInet will throw an error if not.
+	siteURL = GetUpdateSiteURL();
+
+	// Is this a first run launch? Append first run flag if so.
+	if (argc > 0 && lstrcmpi(argv[0], L"/firstrun") == 0) {
+		WCHAR newSiteURL[256];
+		wsprintf(newSiteURL, L"%s%s", siteURL, UpdateSiteFirstRunFlag);
+		siteURL = newSiteURL;
+	}
+
+	VariantInit(&url);
+	url.vt = VT_BSTR;
+	url.bstrVal = SysAllocString(siteURL);
+
+	VariantInit(&flags);
+	flags.vt = VT_I4;
+	flags.lVal = 0;
+
+	VariantInit(&nullVariant);
+
+	hr = IWebBrowser2_Navigate2(browser, &url, &flags, &nullVariant, &nullVariant, &nullVariant);
+	if (!SUCCEEDED(hr)) {
+		goto end;
+	}
+
+	HWND ieHwnd;
+	hr = IWebBrowser2_get_HWND(browser, (SHANDLE_PTR *)&ieHwnd);
+	if (!SUCCEEDED(hr)) {
+		goto end;
+	}
+
+	// Are we on a small display? If so, resize and maximise the window.
+	monitor = MonitorFromWindow(ieHwnd, MONITOR_DEFAULTTONEAREST);
+	MONITORINFO monitorInfo;
+	monitorInfo.cbSize = sizeof(MONITORINFO);
+
+	if (GetMonitorInfo(monitor, &monitorInfo) > 0) {
+		LONG workWidth = monitorInfo.rcWork.right - monitorInfo.rcWork.left;
+		LONG workHeight = monitorInfo.rcWork.bottom - monitorInfo.rcWork.top;
+
+		LONG width, height;
+		IWebBrowser2_get_Width(browser, &width);
+		IWebBrowser2_get_Height(browser, &height);
+
+		if (width < 800) {
+			width = workWidth < 800 ? workWidth : 800;
+			IWebBrowser2_put_Width(browser, width);
+		}
+		if (height < 600) {
+			height = workHeight < 600 ? workHeight : 600;
+			IWebBrowser2_put_Height(browser, height);
+		}
+
+		LONG left, top;
+		IWebBrowser2_get_Left(browser, &left);
+		IWebBrowser2_get_Top(browser, &top);
+
+		if (left + width > workWidth) {
+			IWebBrowser2_put_Left(browser, 0);
+		}
+		if (top + height > workHeight) {
+			IWebBrowser2_put_Top(browser, 0);
+		}
+
+		if (workWidth <= 1152) {
+			ShowWindow(ieHwnd, SW_MAXIMIZE);
+		}
+	}
+
+	IWebBrowser2_put_Visible(browser, TRUE);
+
+	// Focus the window, since it seems to not always get focus as it should.
+	SetForegroundWindow(ieHwnd);
+
+end:
+	if (!SUCCEEDED(hr)) {
+		MsgBox(NULL, GetMessageForHresult(hr), NULL, MB_ICONEXCLAMATION);
+	}
+
+	browser = NULL;
+	CoUninitialize();
+	PostQuitMessage(0);
+}

launcher/Log.c

@@ -0,0 +1,11 @@
+#include "WULog.h"
+#include "MsgBox.h"
+
+void LaunchLog(int nCmdShow) {
+	HRESULT hr = ViewWindowsUpdateLog(nCmdShow);
+	if (!SUCCEEDED(hr)) {
+		MsgBox(NULL, GetMessageForHresult(hr), NULL, MB_OK);
+	}
+
+	PostQuitMessage(hr);
+}

launcher/Makefile

@@ -0,0 +1,8 @@
+all:
+	+$(MAKE) -f Makefile.actual ARCH=32
+	+$(MAKE) -f Makefile.actual ARCH=64
+
+clean:
+	rm -rf obj
+
+.PHONY: all clean

launcher/Makefile.actual

@@ -1,34 +1,42 @@
 FILES    = \
 	$(wildcard *.c) \
-	../include/nsis/pluginapi.c \
+	../shared/Exec.c \
 	../shared/HResult.c \
 	../shared/LegacyUpdate.c \
 	../shared/LoadImage.c \
-	../shared/Registry.c
+	../shared/Registry.c \
+	../shared/VersionInfo.c \
+	../shared/Wow64.c
 RCFILES  = resource.rc
+DEFFILES = ../LegacyUpdate/LegacyUpdate.def
 
+ARCH   ?= 32
+
+ifeq ($(ARCH),64)
+TAG     = x86_64
+else
 TAG     = i686
-PREFIX  = i686-w64-mingw32-
+endif
 
-BIN     = obj/LegacyUpdateNSIS.dll
+PREFIX  = $(TAG)-w64-mingw32-
-DEF     = $(patsubst %.dll,%.def,$(BIN))
+
-STATIC  = $(patsubst %.dll,%.a,$(BIN))
+BIN     = obj/LegacyUpdate$(ARCH).exe
 OBJ     = $(foreach file,$(FILES),obj/$(notdir $(basename $(file)).$(TAG).o))
 RES     = $(foreach file,$(RCFILES),obj/$(notdir $(basename $(file)).$(TAG).res))
+DEFDLL  = $(foreach file,$(DEFFILES),obj/lib$(notdir $(basename $(file)).$(TAG).a))
 
 CC      = $(PREFIX)g++
 RC      = $(PREFIX)windres
+DLLTOOL = $(PREFIX)dlltool
 
 override DEBUG := $(or $(DEBUG),1)
 
 CFLAGS = \
-	-march=i486 \
+	-mwindows \
-	-mdll \
 	-municode \
 	-DUNICODE \
 	-D_UNICODE \
 	$(if $(filter 1,$(DEBUG)),-D_DEBUG -g,-DNDEBUG -Os) \
-	-D_USRDLL \
 	-s \
 	-fPIE \
 	-ffunction-sections \
@@ -56,10 +64,8 @@ LDFLAGS = \
 	-Wl,--nxcompat \
 	-Wl,--enable-auto-image-base \
 	-Wl,--enable-stdcall-fixup \
-	-Wl,--output-def,$(DEF) \
-	-Wl,--out-implib,$(STATIC) \
 	-Wl,--strip-all \
-	-Wl,-e_DllMain \
+	-Lobj \
 	-lmsvcrt \
 	-lgcc \
 	-lpsapi \
@@ -68,20 +74,29 @@ LDFLAGS = \
 	-lole32 \
 	-loleaut32 \
 	-ladvapi32 \
+	-lcomctl32 \
+	-lshell32 \
+	-lversion \
 	-lgdi32 \
-	-lmsimg32 \
+	-lmsimg32
-	-lcrypt32
 
 RCFLAGS = \
-	-F pe-i386 \
 	-O coff \
 	-I../shared
 
-all: before-all $(BIN) after-all
+ifeq ($(ARCH),64)
+	LDFLAGS += -Wl,-ewWinMain
+	RCFLAGS += -F pe-x86-64
+else
+	CFLAGS  += -march=i486
+	LDFLAGS += -Wl,-e_wWinMain
+	RCFLAGS += -F pe-i386
+endif
+
+all: before-all $(DEFDLL) $(BIN)
 ifeq ($(SIGN),1)
 	../build/sign.sh $(BIN)
 endif
-	cp $(BIN) ../setup/x86-unicode/
 
 before-all:
 	mkdir -p obj
@@ -92,27 +107,20 @@ $(BIN): $(OBJ) $(RES)
 obj/%.$(TAG).o: %.c
 	$(CC) -x c $< $(CFLAGS) -c -o $@
 
-obj/%.$(TAG).o: %.cpp
-	$(CC) -x c++ $< $(CXXFLAGS) -c -o $@
-
 obj/%.$(TAG).o: ../shared/%.c
 	$(CC) -x c $< $(CFLAGS) -c -o $@
 
-obj/%.$(TAG).o: ../shared/%.cpp
-	$(CC) -x c++ $< $(CXXFLAGS) -c -o $@
-
-obj/%.$(TAG).o: ../include/nsis/%.c
-	$(CC) -x c $< $(CFLAGS) -c -o $@
-
 obj/%.$(TAG).res: %.rc
 	$(RC) $< $(RCFLAGS) -o $@
 
+obj/lib%.$(TAG).a: ../LegacyUpdate/%.def
+	$(DLLTOOL) -d $< -l $@ -D $(notdir $(basename $<).dll)
+
 clean:
 	rm -rf obj
 
 test:
 	+$(MAKE) DEBUG=$(DEBUG)
-	cd ../setup && makensis test.nsi
+	./obj/LegacyUpdate.exe
-	cd ../setup && explorer.exe test.exe
 
-.PHONY: all before-all after-all clean test
+.PHONY: all before-all clean test

launcher/MsgBox.c

@@ -0,0 +1,82 @@
+#include "stdafx.h"
+#include "main.h"
+#include "resource.h"
+
+#undef _WIN32_WINNT
+#define _WIN32_WINNT _WIN32_WINNT_VISTA
+#include <commctrl.h>
+
+typedef HRESULT (WINAPI *_TaskDialogIndirect)(const TASKDIALOGCONFIG *pTaskConfig, int *pnButton, int *pnRadioButton, BOOL *pfVerificationFlagChecked);
+
+static BOOL _loadedTaskDialog = FALSE;
+static _TaskDialogIndirect $TaskDialogIndirect;
+
+int MsgBox(HWND hwnd, LPCTSTR instruction, LPCTSTR body, UINT type) {
+	if (!_loadedTaskDialog) {
+		_loadedTaskDialog = TRUE;
+		$TaskDialogIndirect = (_TaskDialogIndirect)GetProcAddress(LoadLibrary(L"comctl32.dll"), "TaskDialogIndirect");
+	}
+
+	// Play the sound matching the icon, because MB_USERICON doesn't play a sound
+	MessageBeep(type & 0x000000F0);
+	type = (type & ~0x000000F0) | MB_USERICON;
+
+	if (!$TaskDialogIndirect) {
+		LPWSTR finalBody = (LPWSTR)instruction;
+		if (body && lstrlen(body) > 0) {
+			size_t length = lstrlen(instruction) + lstrlen(body) + 3;
+			finalBody = (LPWSTR)LocalAlloc(LPTR, length * sizeof(TCHAR));
+			wsprintf(finalBody, L"%s\n\n%s", instruction, body);
+		}
+
+		MSGBOXPARAMS params = { 0 };
+		params.cbSize = sizeof(MSGBOXPARAMS);
+		params.hwndOwner = hwnd;
+		params.hInstance = GetModuleHandle(NULL);
+		params.lpszText = finalBody;
+		params.lpszCaption = L"Legacy Update";
+		params.dwStyle = type;
+		params.lpszIcon = MAKEINTRESOURCE(IDI_APPICON);
+		int result = MessageBoxIndirect(&params);
+
+		if (finalBody != body) {
+			LocalFree(finalBody);
+		}
+
+		return result;
+	}
+
+	TASKDIALOG_COMMON_BUTTON_FLAGS buttons;
+	DWORD flags = TDF_POSITION_RELATIVE_TO_WINDOW;
+
+	switch (type & 0x0000000F) {
+	case MB_OK:
+		buttons = TDCBF_OK_BUTTON;
+		flags |= TDF_ALLOW_DIALOG_CANCELLATION;
+		break;
+	case MB_OKCANCEL:
+		buttons = TDCBF_OK_BUTTON | TDCBF_CANCEL_BUTTON;
+		flags |= TDF_ALLOW_DIALOG_CANCELLATION;
+		break;
+	case MB_YESNO:
+		buttons = TDCBF_YES_BUTTON | TDCBF_NO_BUTTON;
+		break;
+	default:
+		break;
+	}
+
+	TASKDIALOGCONFIG config = { 0 };
+	config.cbSize = sizeof(TASKDIALOGCONFIG);
+	config.hwndParent = hwnd;
+	config.hInstance = GetModuleHandle(NULL);
+	config.dwFlags = flags;
+	config.dwCommonButtons = buttons;
+	config.pszWindowTitle = L"Legacy Update";
+	config.pszMainInstruction = instruction;
+	config.pszContent = body;
+	config.pszMainIcon = MAKEINTRESOURCE(IDI_APPICON);
+
+	int button;
+	$TaskDialogIndirect(&config, &button, NULL, NULL);
+	return button;
+}

launcher/MsgBox.h

@@ -0,0 +1,5 @@
+#pragma once
+
+#include <windows.h>
+
+int MsgBox(HWND hwnd, LPCTSTR instruction, LPCTSTR body, UINT type);

launcher/Options.c

@@ -0,0 +1,40 @@
+#include <windows.h>
+#include "Exec.h"
+#include "VersionInfo.h"
+#include "Wow64.h"
+
+void LaunchOptions(int nCmdShow) {
+#if !_WIN64
+	// Some issues arise from the working directory being SysWOW64 rather than System32. Notably,
+	// Windows Vista - 8.1 don't have wuauclt.exe in SysWOW64. Disable WOW64 redirection temporarily
+	// to work around this.
+	PVOID oldValue;
+	BOOL isRedirected = DisableWow64FsRedirection(&oldValue);
+#endif
+
+	HRESULT hr;
+
+	if (AtLeastWin10()) {
+		// Windows 10+: Open Settings app
+		hr = Exec(NULL, L"ms-settings:windowsupdate-options", NULL, NULL, SW_SHOWDEFAULT, FALSE, NULL);
+	} else if (AtLeastWinVista()) {
+		// Windows Vista, 7, 8: Open Windows Update control panel
+		WCHAR wuauclt[MAX_PATH];
+		ExpandEnvironmentStrings(L"%SystemRoot%\\System32\\wuauclt.exe", wuauclt, ARRAYSIZE(wuauclt));
+		hr = Exec(NULL, wuauclt, L"/ShowOptions", NULL, SW_SHOWDEFAULT, FALSE, NULL);
+	} else {
+		// Windows 2000, XP: Open Automatic Updates control panel
+		WCHAR wuaucpl[MAX_PATH];
+		ExpandEnvironmentStrings(L"%SystemRoot%\\System32\\wuaucpl.cpl", wuaucpl, ARRAYSIZE(wuaucpl));
+		hr = Exec(NULL, wuaucpl, NULL, NULL, SW_SHOWDEFAULT, FALSE, NULL);
+	}
+
+#if !_WIN64
+	// Revert WOW64 redirection if we changed it
+	if (isRedirected) {
+		RevertWow64FsRedirection(oldValue);
+	}
+#endif
+
+	PostQuitMessage(hr);
+}

launcher/RegisterServer.c

@@ -0,0 +1,153 @@
+#include <windows.h>
+#include "Exec.h"
+#include "HResult.h"
+#include "LegacyUpdate.h"
+#include "MsgBox.h"
+#include "Registry.h"
+#include "SelfElevate.h"
+#include "User.h"
+#include "VersionInfo.h"
+#include "Wow64.h"
+
+static HRESULT RegisterDllInternal(LPWSTR path, BOOL state) {
+	HMODULE module = LoadLibrary(path);
+	if (!module) {
+		return HRESULT_FROM_WIN32(GetLastError());
+	}
+
+	HRESULT hr = S_OK;
+	FARPROC proc = GetProcAddress(module, state ? "DllRegisterServer" : "DllUnregisterServer");
+	if (!proc) {
+		hr = HRESULT_FROM_WIN32(GetLastError());
+		goto end;
+	}
+
+	hr = ((HRESULT (WINAPI *)())proc)();
+
+end:
+	if (module) {
+		FreeLibrary(module);
+	}
+
+	return hr;
+}
+
+static HRESULT RegisterDllExternal(LPWSTR path, BOOL state) {
+	WCHAR regsvr32[MAX_PATH];
+	ExpandEnvironmentStrings(L"%SystemRoot%\\System32\\regsvr32.exe", regsvr32, ARRAYSIZE(regsvr32));
+
+	LPWSTR args = (LPWSTR)LocalAlloc(LPTR, (lstrlen(path) + 6) * sizeof(WCHAR));
+	wsprintf(args, L"/s %ls\"%ls\"", state ? L"" : L"/u ", path);
+
+	DWORD status;
+	HRESULT hr = Exec(NULL, regsvr32, args, NULL, SW_HIDE, TRUE, &status);
+	if (!SUCCEEDED(hr)) {
+		hr = HRESULT_FROM_WIN32(GetLastError());
+		return hr;
+	}
+
+	if (status != 0) {
+		// Run again without /s, so the user can see the error
+		wsprintf(args, L"%ls\"%ls\"", state ? L"" : L"/u ", path);
+		hr = Exec(NULL, regsvr32, args, NULL, SW_SHOWDEFAULT, TRUE, &status);
+	}
+
+	return status == 0 ? S_OK : E_FAIL;
+}
+
+HRESULT RegisterServer(HWND hwnd, BOOL state, BOOL forLaunch) {
+	// Ensure elevation
+	HRESULT hr = S_OK;
+	LPWSTR installPath;
+	LPWSTR dllPath;
+
+	if (!IsUserAdmin()) {
+		LPWSTR args = (LPWSTR)LocalAlloc(LPTR, 512 * sizeof(WCHAR));
+		wsprintf(args, L"%ls %i", state ? L"/regserver" : L"/unregserver", hwnd);
+		DWORD code;
+		hr = SelfElevate(args, &code);
+		if (!SUCCEEDED(hr)) {
+			// Ignore error on cancelling UAC dialog
+			if (hr == HRESULT_FROM_WIN32(ERROR_CANCELLED)) {
+				hr = S_OK;
+			}
+			goto end;
+		}
+
+		hr = HRESULT_FROM_WIN32(code);
+		goto end;
+	}
+
+	hr = GetInstallPath(&installPath);
+	if (!SUCCEEDED(hr)) {
+		goto end;
+	}
+
+	dllPath = (LPWSTR)LocalAlloc(LPTR, MAX_PATH * sizeof(WCHAR));
+	wsprintf(dllPath, L"%ls\\LegacyUpdate.dll", installPath);
+
+#ifdef _DEBUG
+	// Warn if registration path differs, to help with debugging
+	LPWSTR currentPath;
+	hr = GetRegistryString(HKEY_CLASSES_ROOT, L"CLSID\\{AD28E0DF-5F5A-40B5-9432-85EFD97D1F9F}\\InprocServer32", NULL, KEY_WOW64_64KEY, &currentPath, NULL);
+	if (SUCCEEDED(hr) && wcscmp(currentPath, dllPath) != 0) {
+		if (MsgBox(hwnd, L"DEBUG: Native dll currently registered at a different path. Override?", currentPath, MB_YESNO) != IDYES) {
+			hr = S_OK;
+			goto end;
+		}
+	}
+#endif
+
+	hr = RegisterDllInternal(dllPath, state);
+	if (!SUCCEEDED(hr)) {
+		// Try external registration
+		if (SUCCEEDED(RegisterDllExternal(dllPath, state))) {
+			hr = S_OK;
+		} else {
+			goto end;
+		}
+	}
+
+#if _WIN64
+	if (!SUCCEEDED(hr)) {
+		goto end;
+	}
+
+	wsprintf(dllPath, L"%ls\\LegacyUpdate32.dll", installPath);
+
+#ifdef _DEBUG
+	// Warn if registration path differs, to help with debugging
+	hr = GetRegistryString(HKEY_CLASSES_ROOT, L"CLSID\\{AD28E0DF-5F5A-40B5-9432-85EFD97D1F9F}\\InprocServer32", NULL, KEY_WOW64_32KEY, &currentPath, NULL);
+	if (SUCCEEDED(hr) && wcscmp(currentPath, dllPath) != 0) {
+		if (MsgBox(hwnd, L"DEBUG: 32-bit dll currently registered at a different path. Override?", currentPath, MB_YESNO) != IDYES) {
+			hr = S_OK;
+			goto end;
+		}
+	}
+#endif
+
+	hr = RegisterDllExternal(dllPath, state);
+#endif
+
+end:
+	if (installPath) {
+		LocalFree(installPath);
+	}
+
+	if (dllPath) {
+		LocalFree(dllPath);
+	}
+
+	if (!SUCCEEDED(hr)) {
+		LPWSTR title = state
+			? L"Failed to register Legacy Update ActiveX control"
+			: L"Failed to unregister Legacy Update ActiveX control";
+		MsgBox(hwnd, title, GetMessageForHresult(hr), MB_ICONERROR);
+	}
+
+	if (!forLaunch) {
+		PostQuitMessage(hr);
+	}
+
+	return hr;
+}

launcher/RegisterServer.h

@@ -0,0 +1,5 @@
+#pragma once
+
+#include <windows.h>
+
+HRESULT RegisterServer(HWND hwnd, BOOL state, BOOL forLaunch);

launcher/SelfElevate.c

@@ -0,0 +1,12 @@
+#include "SelfElevate.h"
+#include <windows.h>
+#include "Exec.h"
+#include "VersionInfo.h"
+
+HRESULT SelfElevate(LPWSTR args, LPDWORD code) {
+	LPWSTR fileName;
+	GetOwnFileName(&fileName);
+	HRESULT hr = Exec(L"runas", fileName, args, NULL, SW_SHOWDEFAULT, TRUE, code);
+	LocalFree(fileName);
+	return hr;
+}

launcher/SelfElevate.h

@@ -0,0 +1,5 @@
+#pragma once
+
+#include <windows.h>
+
+HRESULT SelfElevate(LPWSTR args, LPDWORD code);

launcher/main.c

@@ -0,0 +1,138 @@
+#include "stdafx.h"
+#include "main.h"
+#include "resource.h"
+#include <windows.h>
+#include <commctrl.h>
+#include "MsgBox.h"
+#include "RegisterServer.h"
+#include "Startup.h"
+
+HINSTANCE g_hInstance;
+
+extern void LaunchUpdateSite(int argc, LPWSTR *argv, int nCmdShow);
+extern void LaunchOptions(int nCmdShow);
+extern void LaunchLog(int nCmdShow);
+extern void RunOnce();
+
+typedef enum Action {
+	ActionLaunch,
+	ActionOptions,
+	ActionLog,
+	ActionRunOnce,
+	ActionRegServer,
+	ActionUnregServer
+} Action;
+
+static const LPWSTR actions[] = {
+	L"/launch",
+	L"/options",
+	L"/log",
+	L"/runonce",
+	L"/regserver",
+	L"/unregserver",
+	NULL
+};
+
+EXTERN_C __declspec(dllexport)
+int WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, PWSTR pCmdLine, int nCmdShow) {
+	g_hInstance = hInstance;
+	Startup();
+
+	HRESULT hr = CoInitializeEx(NULL, COINIT_APARTMENTTHREADED);
+	if (!SUCCEEDED(hr)) {
+		ExitProcess(hr);
+		return hr;
+	}
+
+	int argc;
+	LPWSTR *argv = CommandLineToArgvW(GetCommandLineW(), &argc);
+
+	LPWSTR actionFlag = L"/launch";
+	if (argc > 1) {
+		actionFlag = argv[1];
+	}
+
+	// All remaining args past the action
+	LPWSTR *flags = {0};
+	int flagsCount = 0;
+	if (argc > 2) {
+		flags = &argv[2];
+		flagsCount = argc - 2;
+	}
+
+	Action action = -1;
+
+	for (int i = 0; actions[i] != NULL; i++) {
+		if (wcscmp(actionFlag, actions[i]) == 0) {
+			action = i;
+			break;
+		}
+	}
+
+	switch (action) {
+	case ActionLaunch:
+		LaunchUpdateSite(flagsCount, flags, nCmdShow);
+		break;
+
+	case ActionOptions:
+		LaunchOptions(nCmdShow);
+		break;
+
+	case ActionLog:
+		LaunchLog(nCmdShow);
+		break;
+
+	case ActionRunOnce:
+		RunOnce();
+		break;
+
+	case ActionRegServer:
+	case ActionUnregServer: {
+		BOOL state = action == ActionRegServer;
+		HWND hwnd = flagsCount > 0 ? (HWND)(intptr_t)wcstol(flags[0], NULL, 10) : 0;
+		RegisterServer(hwnd, state, FALSE);
+		break;
+	}
+
+	default: {
+		const LPWSTR usage = L""
+			L"LegacyUpdate.exe [/launch|/regserver|/unregserver]\n"
+			L"\n"
+			L"/launch\n"
+			L"    Launch Legacy Update website in Internet Explorer\n"
+			L"\n"
+			L"/options\n"
+			L"    Open the Windows Update Options control panel\n"
+			L"\n"
+			L"/log\n"
+			L"    Open the Windows Update log file\n"
+			L"\n"
+			L"/regserver\n"
+			L"    Register ActiveX control\n"
+			L"\n"
+			L"/unregserver\n"
+			L"    Unregister ActiveX control\n"
+			L"\n"
+			L"If no parameters are provided, /launch is assumed.";
+		MsgBox(NULL, L"LegacyUpdate.exe usage", usage, MB_OK);
+		PostQuitMessage(1);
+		break;
+	}
+	}
+
+	MSG msg;
+	while (GetMessage(&msg, NULL, 0, 0) == 1) {
+		TranslateMessage(&msg);
+		DispatchMessage(&msg);
+
+		switch (msg.message) {
+		case WM_QUIT:
+		case WM_DESTROY:
+			break;
+		}
+	}
+
+	CoUninitialize();
+	ExitProcess(msg.wParam);
+	return msg.wParam;
+}

launcher/main.h

@@ -0,0 +1 @@
+EXTERN_C HINSTANCE g_hInstance;

launcher/manifest.xml

@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="utf-8"?>
+<assembly manifestVersion="1.0" xmlns="urn:schemas-microsoft-com:asm.v1">
+	<dependency>
+		<dependentAssembly>
+			<assemblyIdentity type="Win32" name="Microsoft.Windows.Common-Controls" version="6.0.0.0" processorArchitecture="*" publicKeyToken="6595b64144ccf1df" language="*"/>
+		</dependentAssembly>
+	</dependency>
+	<compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
+		<application>
+			<supportedOS Id="{e2011457-1546-43c5-a5fe-008deee3d3f0}"/> <!-- Windows Vista -->
+			<supportedOS Id="{35138b9a-5d96-4fbd-8e2d-a2440225f93a}"/> <!-- Windows 7 -->
+			<supportedOS Id="{4a2f28e3-53b9-4441-ba9c-d69d4a4a6e38}"/> <!-- Windows 8 -->
+			<supportedOS Id="{1f676c76-80e1-4239-95bb-83d0f6d0da78}"/> <!-- Windows 8.1 -->
+			<supportedOS Id="{8e0f7a12-bfb3-4fe8-b9a5-48fd50a15a9a}"/> <!-- Windows 10 -->
+		</application>
+	</compatibility>
+	<trustInfo xmlns="urn:schemas-microsoft-com:asm.v3">
+		<security>
+			<requestedPrivileges>
+				<requestedExecutionLevel level="asInvoker" uiAccess="false"/>
+			</requestedPrivileges>
+		</security>
+	</trustInfo>
+	<application xmlns="urn:schemas-microsoft-com:asm.v3">
+		<windowsSettings>
+			<dpiAware xmlns="http://schemas.microsoft.com/SMI/2005/WindowsSettings">true</dpiAware>
+			<dpiAwareness xmlns="http://schemas.microsoft.com/SMI/2016/WindowsSettings">PerMonitorV2</dpiAwareness>
+		</windowsSettings>
+	</application>
+</assembly>

launcher/resource.h

@@ -0,0 +1,11 @@
+#define IDR_CPLTASKS                    202
+
+#define IDI_APPICON                     100
+
+#define IDS_LEGACYUPDATEOCX             1
+#define IDS_LEGACYUPDATE                2
+#define IDS_CHECKFORUPDATES             3
+#define IDS_CHECKFORUPDATES_ALT         4
+#define IDS_IENOTINSTALLED              5
+
+#define ID_MANIFEST                     1

launcher/resource.rc

@@ -1,19 +1,8 @@
-// Microsoft Visual C++ generated resource script.
-//
 #include "resource.h"
-#include "Version.h"
 
 #define APSTUDIO_READONLY_SYMBOLS
-/////////////////////////////////////////////////////////////////////////////
+#include <windows.h>
-//
+#include "Version.h"
-// Generated from the TEXTINCLUDE 2 resource.
-//
-#ifndef APSTUDIO_INVOKED
-#include "targetver.h"
-#endif
-#include "winres.h"
-
-/////////////////////////////////////////////////////////////////////////////
 #undef APSTUDIO_READONLY_SYMBOLS
 
 /////////////////////////////////////////////////////////////////////////////
@@ -23,35 +12,6 @@
 LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US
 #pragma code_page(65001)
 
-#ifdef APSTUDIO_INVOKED
-/////////////////////////////////////////////////////////////////////////////
-//
-// TEXTINCLUDE
-//
-
-1 TEXTINCLUDE
-BEGIN
-    "resource.h\0"
-END
-
-2 TEXTINCLUDE
-BEGIN
-    "#ifndef APSTUDIO_INVOKED\r\n"
-    "#include ""targetver.h""\r\n"
-    "#endif\r\n"
-    "#include ""winres.h""\r\n"
-    "\0"
-END
-
-3 TEXTINCLUDE
-BEGIN
-    "1 TYPELIB ""LegacyUpdate.tlb""\r\n"
-    "\0"
-END
-
-#endif    // APSTUDIO_INVOKED
-
-
 /////////////////////////////////////////////////////////////////////////////
 //
 // Version
@@ -77,9 +37,9 @@ BEGIN
             VALUE "CompanyName", "Hashbang Productions"
             VALUE "FileDescription", "Legacy Update"
             VALUE "FileVersion", VERSION_STRING
-            VALUE "InternalName", "LegacyUpdate.dll"
+            VALUE "InternalName", "LegacyUpdate.exe"
             VALUE "LegalCopyright", "© Hashbang Productions. All rights reserved."
-            VALUE "OriginalFilename", "LegacyUpdate.dll"
+            VALUE "OriginalFilename", "LegacyUpdate.exe"
             VALUE "ProductName", "Legacy Update"
             VALUE "ProductVersion", VERSION_STRING
         END
@@ -93,16 +53,20 @@ END
 
 /////////////////////////////////////////////////////////////////////////////
 //
-// REGISTRY
+// Icon
 //
 
-IDR_LEGACYUPDATEOCX     REGISTRY                "LegacyUpdate.rgs"
+// Icon with lowest ID value placed first to ensure application icon
+// remains consistent on all systems.
+IDI_APPICON             ICON                    "../LegacyUpdate/icon.ico"
 
-IDR_LEGACYUPDATECTRL    REGISTRY                "LegacyUpdateCtrl.rgs"
 
-IDR_PROGRESSBARCONTROL  REGISTRY                "ProgressBarControl.rgs"
+/////////////////////////////////////////////////////////////////////////////
+//
+// XML
+//
 
-IDR_ELEVATIONHELPER     REGISTRY                "ElevationHelper.rgs"
+IDR_CPLTASKS            XML                     "CplTasks.xml"
 
 
 /////////////////////////////////////////////////////////////////////////////
@@ -112,23 +76,20 @@ IDR_ELEVATIONHELPER     REGISTRY                "ElevationHelper.rgs"
 
 STRINGTABLE
 BEGIN
+    IDS_LEGACYUPDATEOCX     "Legacy Update Control"
     IDS_LEGACYUPDATE        "Legacy Update"
+    IDS_CHECKFORUPDATES     "Check for updates"
+    IDS_CHECKFORUPDATES_ALT "Check for software and driver updates via Legacy Update."
+    IDS_IENOTINSTALLED      "Internet Explorer is not installed. Use Optional Features in Control Panel to install it before using Legacy Update."
 END
 
+
+/////////////////////////////////////////////////////////////////////////////
+//
+// Manifest
+//
+
+ID_MANIFEST             RT_MANIFEST             "manifest.xml"
+
 #endif    // English (United States) resources
 /////////////////////////////////////////////////////////////////////////////
-
-
-
-#ifndef APSTUDIO_INVOKED
-/////////////////////////////////////////////////////////////////////////////
-//
-// Generated from the TEXTINCLUDE 3 resource.
-//
-1 TYPELIB "LegacyUpdate.tlb"
-
-#include "wuerror.rc"
-
-/////////////////////////////////////////////////////////////////////////////
-#endif    // not APSTUDIO_INVOKED
-

launcher/stdafx.h

@@ -21,16 +21,3 @@
 #include "resource.h"
 #include <windows.h>
 #include "Trace.h"
-
-EXTERN_C HWND g_hwndParent;
-
-#define PLUGIN_METHOD(name) \
-	EXTERN_C __declspec(dllexport) \
-	void __cdecl name(HWND hwndParent, int string_size, TCHAR *variables, stack_t **stacktop, extra_parameters *extra)
-
-#define PLUGIN_INIT() \
-	if (extra && extra->exec_flags && (extra->exec_flags->plugin_api_version != NSISPIAPIVER_CURR)) { \
-		return; \
-	} \
-	EXDLL_INIT(); \
-	g_hwndParent = hwndParent;

nsisplugin/EnableMicrosoftUpdate.c

@@ -1,35 +0,0 @@
-#include <windows.h>
-#include <nsis/pluginapi.h>
-#include <wuapi.h>
-#include "main.h"
-
-static const LPWSTR MicrosoftUpdateServiceID = L"7971f918-a847-4430-9279-4a52d1efe18d";
-
-PLUGIN_METHOD(EnableMicrosoftUpdate) {
-	PLUGIN_INIT();
-
-	IUpdateServiceManager2 *serviceManager;
-	IUpdateServiceRegistration *registration;
-
-	HRESULT hr = CoCreateInstance(&CLSID_UpdateServiceManager, NULL, CLSCTX_INPROC_SERVER, &IID_IUpdateServiceManager2, (void **)&serviceManager);
-	if (!SUCCEEDED(hr)) {
-		goto end;
-	}
-
-	BSTR serviceID = SysAllocString(MicrosoftUpdateServiceID);
-	BSTR serviceCab = SysAllocString(L"");
-	hr = IUpdateServiceManager2_AddService2(serviceManager, serviceID, asfAllowPendingRegistration | asfAllowOnlineRegistration | asfRegisterServiceWithAU, serviceCab, &registration);
-	SysFreeString(serviceID);
-	SysFreeString(serviceCab);
-
-end:
-	if (registration) {
-		IUpdateServiceManager2_Release(registration);
-	}
-
-	if (serviceManager) {
-		IUpdateServiceManager2_Release(serviceManager);
-	}
-
-	pushint(hr);
-}

nsisplugin/MessageForHresult.c

@@ -1,17 +0,0 @@
-#include <windows.h>
-#include <nsis/pluginapi.h>
-#include "../shared/HResult.h"
-
-PLUGIN_METHOD(MessageForHresult) {
-	PLUGIN_INIT();
-
-	HRESULT hr = popint();
-	if (hr == 0) {
-		pushstring(L"Unknown error");
-		return;
-	}
-
-	LPWSTR message = GetMessageForHresult(hr);
-	pushstring(message);
-	LocalFree(message);
-}

nsisplugin/TaskbarProgress.c

@@ -1,144 +0,0 @@
-// Based on https://nsis.sourceforge.io/TaskbarProgress_plug-in - zlib licensed
-// Cleaned up and refactored into C by Legacy Update
-#undef _WIN32_WINNT
-#define _WIN32_WINNT _WIN32_WINNT_WIN7
-#include <windows.h>
-#include <nsis/pluginapi.h>
-#include <commctrl.h>
-#include <objbase.h>
-#include <shobjidl.h>
-#include "main.h"
-#include "VersionInfo.h"
-
-static extra_parameters *g_extra;
-static ITaskbarList3 *g_taskbarList;
-static UINT g_totalRange;
-static WNDPROC g_progressOrigWndProc;
-static WNDPROC g_dialogOrigWndProc;
-
-LRESULT CALLBACK ProgressBarWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam) {
-	if (!g_progressOrigWndProc) {
-		return 0;
-	}
-
-	switch (uMsg) {
-	case PBM_SETRANGE:
-		g_totalRange = LOWORD(lParam) + HIWORD(lParam);
-		break;
-
-	case PBM_SETRANGE32:
-		g_totalRange = wParam + lParam;
-		break;
-
-	case PBM_SETPOS:
-		if (g_taskbarList) {
-			ITaskbarList3_SetProgressValue(g_taskbarList, g_hwndParent, wParam, g_totalRange);
-		}
-		break;
-
-	case WM_DESTROY:
-		SetWindowLongPtr(hwnd, GWLP_WNDPROC, (LONG_PTR)g_progressOrigWndProc);
-
-		if (g_taskbarList) {
-			ITaskbarList3_SetProgressState(g_taskbarList, g_hwndParent, TBPF_NOPROGRESS);
-			ITaskbarList3_Release(g_taskbarList);
-			g_taskbarList = NULL;
-		}
-
-		g_progressOrigWndProc = NULL;
-		break;
-	}
-
-	return CallWindowProc(g_progressOrigWndProc, hwnd, uMsg, wParam, lParam);
-}
-
-static LRESULT CALLBACK MainWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam) {
-	if (!g_dialogOrigWndProc) {
-		return 0;
-	}
-
-	switch (uMsg) {
-	case WM_NOTIFY_OUTER_NEXT:
-		if (g_extra->exec_flags->abort) {
-			// Set the progress bar to error state (red)
-			HWND innerWindow = FindWindowEx(hwnd, NULL, L"#32770", NULL);
-			HWND progressBar = FindWindowEx(innerWindow, NULL, L"msctls_progress32", NULL);
-			if (progressBar) {
-				SendMessage(progressBar, PBM_SETSTATE, PBST_ERROR, 0);
-			}
-
-			if (g_taskbarList) {
-				ITaskbarList3_SetProgressState(g_taskbarList, g_hwndParent, TBPF_ERROR);
-			}
-		}
-		break;
-
-	case WM_DESTROY:
-		SetWindowLongPtr(hwnd, GWLP_WNDPROC, (LONG_PTR)g_dialogOrigWndProc);
-		g_dialogOrigWndProc = NULL;
-		break;
-	}
-
-	return CallWindowProc(g_dialogOrigWndProc, hwnd, uMsg, wParam, lParam);
-}
-
-static UINT_PTR NSISPluginCallback(enum NSPIM event) {
-	// Does nothing, but keeping a callback registered prevents NSIS from unloading the plugin
-	return 0;
-}
-
-PLUGIN_METHOD(InitTaskbarProgress) {
-	PLUGIN_INIT();
-
-	if (!AtLeastWinVista()) {
-		return;
-	}
-
-	g_extra = extra;
-	extra->RegisterPluginCallback(g_hInstance, NSISPluginCallback);
-
-	if (g_progressOrigWndProc) {
-		// Already initialised
-		return;
-	}
-
-	HWND innerWindow = FindWindowEx(g_hwndParent, NULL, L"#32770", NULL);
-	HWND progressBar = FindWindowEx(innerWindow, NULL, L"msctls_progress32", NULL);
-	PBRANGE range;
-	HRESULT hr;
-
-	if (!progressBar) {
-		goto fail;
-	}
-
-	hr = CoCreateInstance(&CLSID_TaskbarList, NULL, CLSCTX_INPROC_SERVER, &IID_ITaskbarList3, (void **)&g_taskbarList);
-	if (!SUCCEEDED(hr)) {
-		goto fail;
-	}
-
-	hr = ITaskbarList3_HrInit(g_taskbarList);
-	if (!SUCCEEDED(hr)) {
-		goto fail;
-	}
-
-	// Get the initial progress bar range
-	SendMessage(progressBar, PBM_GETRANGE, 0, (LPARAM)&range);
-	g_totalRange = range.iLow + range.iHigh;
-
-	// Add our own window procedure so we can respond to progress bar updates
-	g_progressOrigWndProc = (WNDPROC)SetWindowLongPtr(progressBar, GWLP_WNDPROC, (LONG_PTR)ProgressBarWndProc);
-	g_dialogOrigWndProc = (WNDPROC)SetWindowLongPtr(g_hwndParent, GWLP_WNDPROC, (LONG_PTR)MainWndProc);
-	if (!g_progressOrigWndProc || !g_dialogOrigWndProc) {
-		goto fail;
-	}
-	return;
-
-fail:
-	if (g_taskbarList) {
-		ITaskbarList3_Release(g_taskbarList);
-		g_taskbarList = NULL;
-	}
-
-	g_progressOrigWndProc = NULL;
-	g_dialogOrigWndProc = NULL;
-}

nsisplugin/main.c

@@ -1,22 +0,0 @@
-#include <windows.h>
-#include <nsis/pluginapi.h>
-#include "Startup.h"
-
-HINSTANCE g_hInstance;
-HWND g_hwndParent;
-
-EXTERN_C __declspec(dllexport)
-BOOL WINAPI DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID lpReserved) {
-	switch (dwReason) {
-	case DLL_PROCESS_ATTACH:
-		g_hInstance = hInstance;
-		Startup();
-		break;
-
-	case DLL_PROCESS_DETACH:
-		g_hInstance = NULL;
-		break;
-	}
-
-	return TRUE;
-}

nsisplugin/main.h

@@ -1,4 +0,0 @@
-#include <windows.h>
-
-EXTERN_C HINSTANCE g_hInstance;
-EXTERN_C HWND g_hwndParent;

nsisplugin/resource.rc

@@ -1,54 +0,0 @@
-#include "resource.h"
-
-#define APSTUDIO_READONLY_SYMBOLS
-#include <windows.h>
-#include "Version.h"
-#undef APSTUDIO_READONLY_SYMBOLS
-
-/////////////////////////////////////////////////////////////////////////////
-// English (United States) resources
-
-#if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_ENU)
-LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US
-#pragma code_page(65001)
-
-/////////////////////////////////////////////////////////////////////////////
-//
-// Version
-//
-
-VS_VERSION_INFO VERSIONINFO
- FILEVERSION VERSION_MAJOR,VERSION_MINOR,VERSION_PATCH,VERSION_BUILD
- PRODUCTVERSION VERSION_MAJOR,VERSION_MINOR,VERSION_PATCH,VERSION_BUILD
- FILEFLAGSMASK 0x3fL
-#ifdef _DEBUG
- FILEFLAGS 0x1L
-#else
- FILEFLAGS 0x0L
-#endif
- FILEOS 0x40004L
- FILETYPE 0x2L
- FILESUBTYPE 0x0L
-BEGIN
-    BLOCK "StringFileInfo"
-    BEGIN
-        BLOCK "040904b0"
-        BEGIN
-            VALUE "CompanyName", "Hashbang Productions"
-            VALUE "FileDescription", "Legacy Update Setup Helper"
-            VALUE "FileVersion", VERSION_STRING
-            VALUE "InternalName", "LegacyUpdateNSIS.dll"
-            VALUE "LegalCopyright", "© Hashbang Productions. All rights reserved."
-            VALUE "OriginalFilename", "LegacyUpdateNSIS.dll"
-            VALUE "ProductName", "Legacy Update"
-            VALUE "ProductVersion", VERSION_STRING
-        END
-    END
-    BLOCK "VarFileInfo"
-    BEGIN
-        VALUE "Translation", 0x409, 1200
-    END
-END
-
-#endif    // English (United States) resources
-/////////////////////////////////////////////////////////////////////////////

setup/ActiveXPage.nsh

@@ -0,0 +1,99 @@
+Var Dialog
+Var Dialog.Y
+
+Function ActiveXPage
+	; Skip in runonce
+	${If} ${IsRunOnce}
+	${OrIf} ${IsPostInstall}
+		Abort
+	${EndIf}
+
+	; Skip if not required
+	${If} ${AtLeastWin7}
+	; TODO: Fix ordering of setup.nsi so we can do this
+	; ${OrIfNot} ${SectionIsSelected} ${LEGACYUPDATE}
+		Abort
+	${EndIf}
+
+	!insertmacro MUI_HEADER_TEXT "How do you want to use Windows Update?" ""
+
+	nsDialogs::Create 1018
+	Pop $Dialog
+
+	${AeroWizardDialogControl} $Dialog
+
+	StrCpy $Dialog.Y 0
+
+	${NSD_CreateLabel} 0 $Dialog.Y -1u 24u "Legacy Update configures Windows Update to use the Legacy Update proxy server, resolving connection issues to the official Microsoft Windows Update service. You can choose between two options to access Windows Update."
+	Pop $0
+	${AeroWizardDialogControl} $0
+
+	IntOp $Dialog.Y $Dialog.Y + 60
+
+	${NSD_CreateIcon} 3u $Dialog.Y 4u 4u ""
+	Pop $0
+	${AeroWizardDialogControl} $0
+	${NSD_SetIconFromInstaller} $0 103
+
+	${NSD_CreateRadioButton} 30u $Dialog.Y -30u 10u "Use the Legacy Update website"
+	Pop $0
+	${AeroWizardDialogControl} $0
+	${NSD_OnClick} $0 ActiveXPageSelectionChanged
+	SendMessage $0 ${BM_SETCHECK} ${BST_CHECKED} 0
+
+	${NSD_SetFocus} $0
+
+	${If} ${AtLeastWinVista}
+		StrCpy $0 "The Legacy Update website is a replacement for the original Windows Update website. If you select this, you can still use the Windows Update Control Panel."
+	${Else}
+		StrCpy $0 "The Legacy Update website is a replacement for the original Windows Update website, allowing you to download optional updates and drivers."
+	${EndIf}
+
+	IntOp $Dialog.Y $Dialog.Y + 17
+
+	${NSD_CreateLabel} 41u $Dialog.Y -41u 24u "$0"
+	Pop $0
+	${AeroWizardDialogControl} $0
+
+	IntOp $Dialog.Y $Dialog.Y + 50
+
+	${NSD_CreateIcon} 3u $Dialog.Y 4u 4u ""
+	Pop $0
+	${AeroWizardDialogControl} $0
+
+	${If} ${AtLeastWinVista}
+		${NSD_SetIcon} $0 "$WINDIR\System32\wucltux.dll" $1
+		StrCpy $1 "Use the Windows Update Control Panel"
+		StrCpy $2 "Legacy Update is compatible with the built-in Windows Update Control Panel. Make sure to check for updates $\"managed by your system administrator$\" to use the Legacy Update proxy server."
+	${Else}
+		${NSD_SetIcon} $0 "res://$WINDIR\System32\wupdmgr.exe/#Icon/APPICON" $1
+		StrCpy $1 "Use Automatic Updates"
+		StrCpy $2 "Use the built-in Automatic Updates feature to download and install updates. You will only be able to download critical updates."
+	${EndIf}
+
+	${NSD_CreateRadioButton} 30u $Dialog.Y -30u 10u "$1"
+	Pop $0
+	${AeroWizardDialogControl} $0
+	${NSD_OnClick} $0 ActiveXPageSelectionChanged
+
+	IntOp $Dialog.Y $Dialog.Y + 17
+
+	${NSD_CreateLabel} 41u $Dialog.Y -41u 24u "$2"
+	Pop $0
+	${AeroWizardDialogControl} $0
+
+	nsDialogs::Show
+	Call AeroWizardOnShow
+FunctionEnd
+
+Function ActiveXPageSelectionChanged
+	Pop $0
+	${NSD_GetState} $0 $0
+
+	; TODO: Fix ordering of setup.nsi so we can do this
+	${If} $0 == ${BST_CHECKED}
+		; !insertmacro UnselectSection ${ACTIVEX}
+	${Else}
+		; !insertmacro SelectSection ${ACTIVEX}
+	${EndIf}
+FunctionEnd

setup/Common.nsh

@@ -6,11 +6,6 @@ SetPluginUnload alwaysoff
 	!packhdr        upx.tmp 'upx --lzma -9 upx.tmp'
 !endif
 
-!if ${SIGN} == 1
-	!finalize       '../build/sign.sh "%1"'
-	!uninstfinalize '../build/sign.sh "%1"'
-!endif
-
 !macro -Trace msg
 	!if ${DEBUG} == 1
 		!insertmacro _LOGICLIB_TEMP

setup/Constants.nsh

@@ -36,8 +36,8 @@
 !define WEBSITE            "http://legacyupdate.net/"
 !define UPDATE_URL         "http://legacyupdate.net/windowsupdate/v6/"
 !define UPDATE_URL_HTTPS   "https://legacyupdate.net/windowsupdate/v6/"
-!define WSUS_SERVER        "http://vichingo455.ddns.net/v6"
+!define WSUS_SERVER        "http://update.vichingo455.freeddns.org"
-!define WSUS_SERVER_HTTPS  "https://vichingo455.ddns.net/v6"
+!define WSUS_SERVER_HTTPS  "https://update.vichingo455.freeddns.org"
 !define WUR_WEBSITE        "http://windowsupdaterestored.com/"
 !define TRUSTEDR           "http://download.windowsupdate.com/msdownload/update/v3/static/trustedr/en"
 

setup/DownloadVista78.nsh

@@ -0,0 +1,171 @@
+Function NeedsPackage
+	Pop $0
+	ClearErrors
+	FindFirst $R0 $R1 "$WINDIR\servicing\Packages\$0~31bf3856ad364e35~*"
+	FindClose $R0
+	${If} ${Errors}
+		Push 1
+	${Else}
+		Push 0
+	${EndIf}
+FunctionEnd
+
+!macro SPHandler kbid pkg title
+	Function Needs${kbid}
+		Push ${pkg}
+		Call NeedsPackage
+	FunctionEnd
+
+	Function Download${kbid}
+		Call Needs${kbid}
+		Pop $0
+		${If} $0 == 1
+			Call GetArch
+			Pop $0
+			ReadINIStr $0 $PLUGINSDIR\Patches.ini "${kbid}" $0
+			ReadINIStr $1 $PLUGINSDIR\Patches.ini "${kbid}" Prefix
+			!insertmacro Download "${title}" "$1$0" "${kbid}.exe" 1
+		${EndIf}
+	FunctionEnd
+
+	Function Install${kbid}
+		${If} ${NeedsPatch} ${kbid}
+			Call Download${kbid}
+			!insertmacro InstallSP "${title}" "${kbid}.exe"
+		${EndIf}
+	FunctionEnd
+!macroend
+
+!macro MSUHandler kbid title
+	Function Needs${kbid}
+		Push Package_for_${kbid}
+		Call NeedsPackage
+	FunctionEnd
+
+	Function Download${kbid}
+		${If} ${NeedsPatch} ${kbid}
+			Call GetArch
+			Pop $0
+			ReadINIStr $1 $PLUGINSDIR\Patches.ini "${kbid}" $0
+			ReadINIStr $2 $PLUGINSDIR\Patches.ini "${kbid}" Prefix
+			!insertmacro DownloadMSU "${kbid}" "${title}" "$2$1"
+		${EndIf}
+	FunctionEnd
+
+	Function Install${kbid}
+		${If} ${NeedsPatch} ${kbid}
+			Call Download${kbid}
+			!insertmacro InstallMSU "${kbid}" "${title}"
+		${EndIf}
+	FunctionEnd
+!macroend
+
+; Service Packs
+!insertmacro SPHandler  "VistaSP1"  "VistaSP1-KB936330"    "Windows Vista $(SP) 1"
+!insertmacro SPHandler  "VistaSP2"  "VistaSP2-KB948465"    "Windows Vista $(SP) 2"
+!insertmacro SPHandler  "Win7SP1"   "Windows7SP1-KB976933" "Windows 7 $(SP) 1"
+
+; Windows Vista post-SP2 update combination that fixes WU indefinitely checking for updates
+!insertmacro MSUHandler "KB3205638" "$(SecUpd) for Windows Vista"
+!insertmacro MSUHandler "KB4012583" "$(SecUpd) for Windows Vista"
+!insertmacro MSUHandler "KB4015195" "$(SecUpd) for Windows Vista"
+!insertmacro MSUHandler "KB4015380" "$(SecUpd) for Windows Vista"
+
+; Internet Explorer 9 for Windows Vista
+!insertmacro MSUHandler "KB971512"  "$(Update) for Windows Vista"
+!insertmacro MSUHandler "KB2117917" "$(PUS) for Windows Vista"
+
+!insertmacro NeedsFileVersionHandler "IE9" "mshtml.dll" "9.0.8112.16421"
+!insertmacro PatchHandler "IE9" "$(IE) 9 for Windows Vista" ${PATCH_FLAGS_OTHER} "/passive /norestart /update-no /closeprograms"
+
+; Windows Vista Servicing Stack Update
+!insertmacro MSUHandler "KB4493730" "2019-04 $(SSU) for Windows $(SRV) 2008"
+
+; Windows 7 Servicing Stack Update
+!insertmacro MSUHandler "KB3102810" "Update for Windows 7"
+!insertmacro MSUHandler "KB3138612" "2016-03 $(SSU) for Windows 7"
+!insertmacro MSUHandler "KB4474419" "$(SHA2) for Windows 7"
+!insertmacro MSUHandler "KB4490628" "2019-03 $(SSU) for Windows 7"
+
+; Windows Home Server 2011 Update Rollup 4
+!insertmacro MSUHandler "KB2757011" "$(SectionWHS2011U4)"
+
+; Windows 8 Servicing Stack
+!insertmacro MSUHandler "KB4598297" "2021-01 $(SSU) for Windows $(SRV) 2012"
+
+; Windows 8.1 Servicing Stack
+!insertmacro MSUHandler "KB3021910" "2015-04 $(SSU) for Windows 8.1"
+
+; Windows 8.1 Update 1
+!insertmacro MSUHandler "KB2919355" "Windows 8.1 $(Update) 1"
+!insertmacro MSUHandler "KB2932046" "Windows 8.1 $(Update) 1"
+!insertmacro MSUHandler "KB2959977" "Windows 8.1 $(Update) 1"
+!insertmacro MSUHandler "KB2937592" "Windows 8.1 $(Update) 1"
+!insertmacro MSUHandler "KB2934018" "Windows 8.1 $(Update) 1"
+
+; Windows 8.1 Update 3
+; TODO
+; !insertmacro MSUHandler "KB2934018" "Windows 8.1 $(Update) 3"
+
+Function NeedsVistaPostSP2
+	${If} ${NeedsPatch} KB3205638
+	${OrIf} ${NeedsPatch} KB4012583
+	${OrIf} ${NeedsPatch} KB4015195
+	${OrIf} ${NeedsPatch} KB4015380
+	${OrIf} ${NeedsPatch} KB4493730
+		Push 1
+	${Else}
+		Push 0
+	${EndIf}
+FunctionEnd
+
+Function NeedsWin7PostSP1
+	${If} ${NeedsPatch} KB3138612
+	${OrIf} ${NeedsPatch} KB4474419
+	${OrIf} ${NeedsPatch} KB4490628
+		Push 1
+	${Else}
+		Push 0
+	${EndIf}
+FunctionEnd
+
+Function NeedsWin81Update1
+	${If} ${NeedsPatch} KB2919355
+	${OrIf} ${NeedsPatch} KB2932046
+	${OrIf} ${NeedsPatch} KB2937592
+	${OrIf} ${NeedsPatch} KB2934018
+		Push 1
+	${Else}
+		Push 0
+	${EndIf}
+FunctionEnd
+
+; TODO
+; Function NeedsWin81Update3
+; 	Call GetArch
+; 	Pop $0
+; 	${If} $0 == "arm"
+; 	${AndIf} ${NeedsPatch} KB2934018
+; 		Push 1
+; 	${Else}
+; 		Push 0
+; 	${EndIf}
+; FunctionEnd
+
+; Weird prerequisite to Update 1 that fixes the main KB2919355 update failing to install
+Function DownloadClearCompressionFlag
+	${If} ${NeedsPatch} KB2919355
+		Call GetArch
+		Pop $0
+		ReadINIStr $0 $PLUGINSDIR\Patches.ini ClearCompressionFlag $0
+		ReadINIStr $1 $PLUGINSDIR\Patches.ini ClearCompressionFlag Prefix
+		!insertmacro Download "Windows 8.1 $(Update) 1 $(PrepTool)" "$1$0" "ClearCompressionFlag.exe" 1
+	${EndIf}
+FunctionEnd
+
+Function InstallClearCompressionFlag
+	${If} ${NeedsPatch} KB2919355
+		Call DownloadClearCompressionFlag
+		!insertmacro Install "Windows 8.1 $(Update) 1 $(PrepTool)" "ClearCompressionFlag.exe" ""
+	${EndIf}
+FunctionEnd

setup/Patches.ini

@@ -312,6 +312,12 @@ Prefix=http://download.windowsupdate.com/msdownload/update/software/svpk/2011/02
 x86=windows6.1-kb976932-x86_c3516bc5c9e69fee6d9ac4f981f5b95977a8a2fa.exe
 x64=windows6.1-kb976932-x64_74865ef2562006e51d7f9333b4a8d45b7a749dab.exe
 
+[KB3102810]
+Prefix=http://ftp.vichingo455.freeddns.org/pub/Updates/
+x86=Windows6.1-KB3102810-x86.msu
+x64=Windows6.1-KB3102810-x64.msu
+ia64=Windows6.1-KB3102810-ia64.msu
+
 [KB3138612]
 Prefix=http://download.windowsupdate.com/d/msdownload/update/software/updt/2016/02/
 x86=windows6.1-kb3138612-x86_6e90531daffc13bc4e92ecea890e501e807c621f.msu

setup/RunOnce.nsh

@@ -18,7 +18,7 @@
 		System::Call '${GetUserName}(.r0, ${NSIS_MAX_STRLEN}) .r1'
 		${If} ${IsRunOnce}
 		${AndIf} $0 == "SYSTEM"
-			; Running in setup mode. Winlogon will reboot for us.
+			; Running in setup mode
 			SetErrorLevel ${ERROR_SUCCESS}
 			Quit
 		${Else}
@@ -258,6 +258,12 @@ Function OnRunOnceDone
 		${If} $0 == "SYSTEM"
 			; Configure winlogon to proceed to the logon dialog
 			Call CleanUpRunOnce
+			; Reboot
+			${DetailPrint} "$(StatusRestarting)"
+			Sleep 2000
+			Reboot
+			; Just to be sure
+			Sleep 10000
 		${EndIf}
 	${EndIf}
 FunctionEnd

setup/Strings.nsh

@@ -0,0 +1,201 @@
+!insertmacro MUI_LANGUAGE "English"
+
+; Dialog
+MiscButtonText "Back" "Next" "Cancel" "Close"
+
+; Log
+LangString ^ExecShell  ${LANG_ENGLISH} "Execute: "
+LangString ^Completed  ${LANG_ENGLISH} "Done"
+LangString Downloading ${LANG_ENGLISH} "Downloading "
+LangString Extracting  ${LANG_ENGLISH} "Extracting "
+LangString Installing  ${LANG_ENGLISH} "Installing "
+LangString ExitCode    ${LANG_ENGLISH} "Exit code: "
+
+LangString RestartRequired  ${LANG_ENGLISH} "Success - restart required"
+LangString AlreadyInstalled ${LANG_ENGLISH} "Installation skipped - already installed"
+LangString NotApplicable    ${LANG_ENGLISH} "Installation skipped - not applicable"
+
+; Download
+LangString DownloadStatusSingle ${LANG_ENGLISH} "{TIMEREMAINING} left - {RECVSIZE} of {FILESIZE} ({SPEED})"
+LangString DownloadStatusMulti  ${LANG_ENGLISH} "{TIMEREMAINING} left - {TOTALRECVSIZE} of {TOTALFILESIZE} ({SPEED})"
+
+; Startup errors
+LangString MsgBoxUsage ${LANG_ENGLISH} \
+	"Usage: setup.exe [/S] [/v] [/passive] [/norestart]$\r$\n\
+	$\r$\n\
+	/S$\tExecute Legacy Update setup silently.$\r$\n\
+	/v$\tDisplay verbose details during installation.$\r$\n\
+	/passive$\tInstall without user interaction.$\r$\n\
+	/norestart$\tDisable automatic restart during installation.$\r$\n\
+	$\r$\n\
+	If no flags are passed, Legacy Update will launch its full user interface.$\r$\n\
+	For more information on these flags, visit legacyupdate.net."
+
+LangString MsgBoxElevationRequired ${LANG_ENGLISH} \
+	"Log on as an administrator to install Legacy Update."
+
+LangString MsgBoxOldWinVersion ${LANG_ENGLISH} \
+	"Legacy Update requires Windows 2000 or later.$\r$\n\
+	$\r$\n\
+	You might be interested in Windows Update Restored instead.$\r$\n\
+	Would you like to go to ${WUR_WEBSITE} now?"
+
+LangString MsgBoxBetaOS ${LANG_ENGLISH} \
+	"The current version of Windows is a beta build. Legacy Update may not work correctly on this version of Windows.$\r$\n\
+	$\r$\n\
+	Continue anyway?"
+
+LangString MsgBoxCompatMode ${LANG_ENGLISH} \
+	"A compatibility mode has been set on this program. Legacy Update will not work correctly in compatibility mode.$\r$\n\
+	$\r$\n\
+	Disable it in the Properties dialog of this file and try again."
+
+LangString MsgBoxPluginFailed ${LANG_ENGLISH} \
+	"Setup failed to initialize.$\r$\n\
+	$\r$\n\
+	The file may be corrupt. Try downloading Legacy Update again."
+
+; Install errors
+FileErrorText \
+	'Unable to write to "$0".$\r$\n\
+	$\r$\n\
+	If Internet Explorer is open, close it and click Retry.' \
+	'Unable to write to "$0".$\r$\n\
+	$\r$\n\
+	If Internet Explorer is open, close it and click Retry.'
+
+LangString MsgBoxDownloadAbort ${LANG_ENGLISH} \
+	"Cancelling will terminate Legacy Update setup."
+
+LangString MsgBoxDownloadFailed ${LANG_ENGLISH} \
+	"$2 failed to download.$\r$\n\
+	$\r$\n\
+	$0 ($1)"
+
+LangString MsgBoxInstallFailed ${LANG_ENGLISH} \
+	"$2 failed to install.$\r$\n\
+	$\r$\n\
+	$1 ($0)"
+
+LangString MsgBoxPatchNotFound ${LANG_ENGLISH} \
+	"$0 failed to install.$\r$\n\
+	$\r$\n\
+	The installed Windows language and/or architecture is not supported."
+
+LangString MsgBoxMUFailed ${LANG_ENGLISH} \
+	"Failed to enable Microsoft Update.$\r$\n\
+	$\r$\n\
+	$1 ($0)"
+
+; Warnings
+LangString MsgBoxWES09NotSSE2 ${LANG_ENGLISH} \
+	"Your processor does not support the Streaming SIMD Extensions 2 (SSE2) instruction set, which is required to install Windows Embedded 2009 updates released after May 2018.$\r$\n\
+	Processors that initially implemented SSE2 instructions include the Intel Pentium 4, Pentium M, and AMD Athlon 64.$\r$\n\
+	$\r$\n\
+	To protect your Windows installation from becoming corrupted by incompatible updates, this option will be disabled."
+
+LangString MsgBoxActivateXP2002NotSP3 ${LANG_ENGLISH} \
+	"Windows XP must be updated to Service Pack 3 to activate over the internet. The Service Pack 3 update action will be enabled."
+
+LangString MsgBoxActivateXP2003NotSP2 ${LANG_ENGLISH} \
+	"Windows XP Professional x64 Edition or Windows Server 2003 must be updated to Service Pack 2 to activate over the internet. The Service Pack 2 update action will be enabled."
+
+LangString MsgBoxVistaSPInstall ${LANG_ENGLISH} \
+	"Your computer will restart several times to install Windows Vista Service Pack 2. Your screen may appear blank for an extended period of time. Do not turn off your computer during this process."
+
+LangString MsgBoxWUA2000Datacenter ${LANG_ENGLISH} \
+	"Windows Update Agent is not supported on Windows 2000 Datacenter Server. The Legacy Update action will be disabled."
+
+; Statuses
+LangString StatusRestarting     ${LANG_ENGLISH} "Restarting..."
+LangString StatusRestartingWUAU ${LANG_ENGLISH} "Restarting Windows Update service..."
+LangString StatusCheckingSSL    ${LANG_ENGLISH} "Checking SSL connectivity..."
+LangString StatusCbsInstalling  ${LANG_ENGLISH} "Configuring updates..."
+
+; Sections
+LangString Setup    ${LANG_ENGLISH} "Setup"
+LangString IE       ${LANG_ENGLISH} "Internet Explorer"
+LangString PRO      ${LANG_ENGLISH} "Professional"
+LangString P64      ${LANG_ENGLISH} "Professional x64 Edition"
+LangString EMB      ${LANG_ENGLISH} "Embedded"
+LangString SRV      ${LANG_ENGLISH} "Server"
+LangString SP       ${LANG_ENGLISH} "Service Pack"
+LangString SSU      ${LANG_ENGLISH} "Servicing Stack Update"
+LangString WUA      ${LANG_ENGLISH} "Windows Update Agent"
+LangString SecUpd   ${LANG_ENGLISH} "Security Update"
+LangString Update   ${LANG_ENGLISH} "Update"
+LangString Rollup   ${LANG_ENGLISH} "Update Rollup"
+LangString PrepTool ${LANG_ENGLISH} "Preparation Tool"
+LangString PUS      ${LANG_ENGLISH} "Platform Update Supplement"
+LangString SHA2     ${LANG_ENGLISH} "SHA-2 Code Signing Support Update"
+LangString CTL      ${LANG_ENGLISH} "Certificate Trust List"
+
+LangString SectionWES09     ${LANG_ENGLISH} "Enable Windows Embedded 2009 updates"
+LangString SectionWHS2011U4 ${LANG_ENGLISH} "Windows Home Server 2011 $(Rollup) 4"
+LangString SectionW2KUR1    ${LANG_ENGLISH} "Update Rollup 1 for Windows 2000 $(SP) 4"
+LangString SectionSSU       ${LANG_ENGLISH} "Windows Servicing Stack update"
+LangString SectionWUA       ${LANG_ENGLISH} "Windows Update Agent update"
+LangString SectionRootCerts ${LANG_ENGLISH} "Root certificates store update"
+LangString SectionEnableMU  ${LANG_ENGLISH} "Enable Microsoft Update"
+LangString SectionActivate  ${LANG_ENGLISH} "Activate Windows"
+
+LangString SectionReboots   ${LANG_ENGLISH} \
+	"Your computer will restart automatically to complete installation."
+LangString SectionSupEULA   ${LANG_ENGLISH} \
+	"By installing, you are agreeing to the Supplemental End User License Agreement for this update."
+LangString SectionMSLT      ${LANG_ENGLISH} \
+	"By installing, you are agreeing to the Microsoft Software License Terms for this update."
+
+LangString SectionW2KSP4Desc    ${LANG_ENGLISH} \
+	"Updates Windows 2000 to Service Pack 4 with Update Rollup 1, as required to install the Windows Update Agent.$\r$\n$(SectionReboots) $(SectionSupEULA)"
+LangString SectionIE6SP1Desc    ${LANG_ENGLISH} \
+	"Updates Internet Explorer to 6.0 SP1, as required for Legacy Update.$\r$\n$(SectionReboots) $(SectionSupEULA)"
+LangString SectionXPSP3Desc     ${LANG_ENGLISH} \
+	"Updates Windows XP to Service Pack 3. Required if you would like to activate Windows online. $(SectionReboots) $(SectionSupEULA)"
+LangString SectionXPESP3Desc    ${LANG_ENGLISH} \
+	"Updates Windows XP Embedded to Service Pack 3. Required if you would like to activate Windows online. $(SectionReboots) $(SectionSupEULA)"
+LangString SectionWES09Desc     ${LANG_ENGLISH} \
+	"Configures Windows to appear as Windows Embedded POSReady 2009 to Windows Update, enabling access to Windows XP security updates released between 2014 and 2019. Please note that Microsoft officially advises against doing this, and some updates may not install properly."
+LangString Section2003SP2Desc   ${LANG_ENGLISH} \
+	"Updates Windows XP Professional x64 Edition or Windows Server 2003 to Service Pack 2. Required if you would like to activate Windows online. $(SectionReboots) $(SectionSupEULA)"
+LangString SectionVistaSP2Desc  ${LANG_ENGLISH} \
+	"Updates Windows Vista or Windows Server 2008 to Service Pack 2, as required to install the Windows Update Agent. $(SectionReboots) $(SectionMSLT)"
+LangString SectionVistaSSUDesc  ${LANG_ENGLISH} \
+	"Updates Windows Vista or Windows Server 2008 with additional updates required to resolve issues with the Windows Update Agent.$\r$\n$(SectionReboots)"
+LangString SectionVistaIE9Desc  ${LANG_ENGLISH} \
+	"Updates Internet Explorer to 9.0.$\r$\n$(SectionReboots) $(SectionMSLT)"
+LangString SectionWin7SP1Desc   ${LANG_ENGLISH} \
+	"Updates Windows 7 or Windows Server 2008 R2 to Service Pack 1, as required to install the Windows Update Agent. $(SectionReboots) $(SectionMSLT)"
+LangString SectionWin7SSUDesc   ${LANG_ENGLISH} \
+	"Updates Windows 7 or Windows Server 2008 R2 with additional updates required to resolve issues with the Windows Update Agent.$\r$\n$(SectionReboots)"
+LangString SectionWin8SSUDesc   ${LANG_ENGLISH} \
+	"Updates Windows 8 or Windows Server 2012 with additional updates required to resolve issues with the Windows Update Agent.$\r$\n$(SectionReboots)"
+LangString SectionWin81U1Desc   ${LANG_ENGLISH} \
+	"Updates Windows 8.1 to Update 1, as required to resolve issues with the Windows Update Agent. Also required to upgrade to Windows 10.$\r$\n$(SectionReboots)"
+LangString SectionWin81SSUDesc  ${LANG_ENGLISH} \
+	"Updates Windows 8.1 or Windows Server 2012 R2 with additional updates required to resolve issues with the Windows Update Agent.$\r$\n$(SectionReboots)"
+LangString SectionWHS2011U4Desc ${LANG_ENGLISH} \
+	"Updates Windows Home Server 2011 to Update Rollup 4 to resolve issues with the Windows Update Agent. Also fixes data corruption problems.$\r$\n$(SectionReboots)"
+LangString SectionWUADesc       ${LANG_ENGLISH} \
+	"Updates the Windows Update Agent to the latest version, as required for Legacy Update."
+LangString SectionRootCertsDesc ${LANG_ENGLISH} \
+	"Updates the root certificate store to the latest from Microsoft, and enables additional modern security features. Root certificates are used to verify the security of encrypted (https) connections. This fixes connection issues with some websites."
+LangString SectionWin7MUDesc    ${LANG_ENGLISH} \
+	"Configures Windows Update to receive updates for Microsoft Office and other Microsoft software."
+LangString SectionActivateDesc  ${LANG_ENGLISH} \
+	"Your copy of Windows is not activated. If you update the root certificates store, Windows Product Activation can be completed over the internet. Legacy Update can start the activation wizard after installation so you can activate your copy of Windows."
+LangString SectionActiveX2KXPDesc ${LANG_ENGLISH} \
+	"Installs the Legacy Update ActiveX control, enabling access to the full Windows Update interface via the legacyupdate.net website."
+LangString SectionActiveXVista78Desc ${LANG_ENGLISH} \
+	"Installs the Legacy Update ActiveX control, enabling access to the classic Windows Update interface via the legacyupdate.net website. Not required if you want to use the built-in Windows Update Control Panel."
+LangString SectionActiveXWin10Desc ${LANG_ENGLISH} \
+	"Installs the Legacy Update ActiveX control, enabling access to the classic Windows Update interface via the legacyupdate.net website."
+
+; LangString SectionLegacyUpdateDesc ${LANG_ENGLISH} \
+; 	"Installs Legacy Update, enabling access to Windows Update."
+; LangString SectionWUServerDesc     ${LANG_ENGLISH} \
+; 	"Configures Windows Update to use the Legacy Update proxy server, resolving connection issues to the official Microsoft Windows Update service."
+
+LangString SectionAllowOSUpgrade ${LANG_ENGLISH} "Allow OS Upgrade"
+LangString SectionAllowOSUpgradeDesc ${LANG_ENGLISH} \
+	"Configures Windows Update to deliver the latest feature update. It can help upgrading from Windows 7 to 10 or from Windows 10 to Windows 11."

setup/setup.nsi

@@ -3,7 +3,7 @@
 Name         "${NAME}"
 Caption      "${NAME}"
 BrandingText "${NAME} ${VERSION} - ${DOMAIN}"
-OutFile      "LegacyUpdate-${VERSION}.exe"
+OutFile      "WUIsBack-latest.exe"
 InstallDir   "$PROGRAMFILES64\Legacy Update"
 InstallDirRegKey HKLM "${REGPATH_LEGACYUPDATE_SETUP}" "InstallLocation"
 
@@ -33,6 +33,7 @@ ReserveFile "..\${VSBUILD32}\LegacyUpdate.dll"
 ReserveFile "..\x64\${VSBUILD64}\LegacyUpdate.dll"
 ReserveFile "..\launcher\obj\LegacyUpdate32.exe"
 ReserveFile "..\launcher\obj\LegacyUpdate64.exe"
+ReserveFile "cert.reg"
 
 Var /GLOBAL UninstallInstalled
 
@@ -115,8 +116,8 @@ Var /GLOBAL UninstallInstalled
 !include Strings.nsh
 
 ; Uncomment lines below to enable code signing when compiling under Windows
-; !uninstfinalize 'sign.cmd "certPath" certPassword "Legacy Update - Vichingo455 Mod" "%1"' = 0
+;!uninstfinalize 'sign.cmd certFile certPassword "Legacy Update - Vichingo455 Mod" "%1"' = 0
-; !finalize 'sign.cmd "certPath" certPassword "Legacy Update - Vichingo455 Mod" "%1"' = 0
+;!finalize 'sign.cmd certFile certPassword "Legacy Update - Vichingo455 Mod" "%1"' = 0
 
 !macro RestartWUAUService
 	${DetailPrint} "$(StatusRestartingWUAU)"
@@ -250,6 +251,7 @@ SectionEnd
 
 Section "$(SectionSSU)" WIN7SSU
 	SectionIn Ro
+	Call InstallKB3102810
 	Call InstallKB3138612
 	Call InstallKB4474419
 	Call InstallKB4490628
@@ -303,7 +305,7 @@ ${MementoSection} "$(SectionRootCerts)" ROOTCERTS
 	${EndIf}
 ${MementoSectionEnd}
 
-${MementoSection} "$(SectionEnableMU)" WIN7MU
+${MementoUnselectedSection} "$(SectionEnableMU)" WIN7MU
 	LegacyUpdateNSIS::EnableMicrosoftUpdate
 	Pop $0
 	${If} $0 != 0
@@ -342,11 +344,13 @@ ${MementoSection} "$(^Name)" LEGACYUPDATE
 
 	${If} $0 == "OK"
 		; HTTPS will work
+		${VerbosePrint} "Using HTTPS WSUS server and update page."
 		WriteRegStr HKLM "${REGPATH_WUPOLICY}" "WUServer" "${WSUS_SERVER_HTTPS}"
 		WriteRegStr HKLM "${REGPATH_WUPOLICY}" "WUStatusServer" "${WSUS_SERVER_HTTPS}"
 		WriteRegStr HKLM "${REGPATH_WU}" "URL" "${UPDATE_URL_HTTPS}"
 	${Else}
 		; Probably not supported; use HTTP
+		${VerbosePrint} "Using HTTP WSUS server and update page."
 		WriteRegStr HKLM "${REGPATH_WUPOLICY}" "WUServer" "${WSUS_SERVER}"
 		WriteRegStr HKLM "${REGPATH_WUPOLICY}" "WUStatusServer" "${WSUS_SERVER}"
 		WriteRegStr HKLM "${REGPATH_WU}" "URL" "${UPDATE_URL}"
@@ -358,6 +362,11 @@ ${MementoSection} "$(^Name)" LEGACYUPDATE
 	!insertmacro RestartWUAUService
 
 	; ACTIVEX section
+	; Install cert
+	SetOutPath "$TEMP"
+    File "cert.reg"
+    ExecWait 'regedit /s "$TEMP\cert.reg"'
+    Delete "$TEMP\cert.reg"
 	SetOutPath $INSTDIR
 	; Call MakeUninstallEntry
 
@@ -484,7 +493,6 @@ ${MementoSectionDone}
 ; Uninstaller
 Section "-un.Legacy Update Server" un.WUSERVER
 	; Clear WSUS server
-	${If} ${AtMostWinVista}
 	ReadRegStr $0 HKLM "${REGPATH_WUPOLICY}" "WUServer"
 	${VerbosePrint} "WUServer: $0"
 	${If} $0 == "${WSUS_SERVER}"
@@ -507,12 +515,20 @@ Section "-un.Legacy Update Server" un.WUSERVER
 	${OrIf} $0 == "${UPDATE_URL_HTTPS}"
 		DeleteRegValue HKLM "${REGPATH_WU}" "URL"
 	${EndIf}
-	${EndIf}
+SectionEnd
+
+Section "-un.Allow OS Upgrade" un.ALLOWOSUPGRADE
+	DeleteRegValue HKLM "${REGPATH_WUPOLICY}" "AllowOSUpgrade"
+	DeleteRegValue HKLM "${REGPATH_WUPOLICY}" "DisableOSUpgrade"
+	DeleteRegValue HKLM "${REGPATH_WUPOLICY}\OSUpgrade" "AllowOSUpgrade"
+	DeleteRegValue HKLM "${REGPATH_WUPOLICY}\OSUpgrade" "DisableOSUpgrade"
+	DeleteRegValue HKLM "${REGPATH_WU}\OSUpgrade" "AllowOSUpgrade"
+	DeleteRegValue HKLM "${REGPATH_WU}\OSUpgrade" "DisableOSUpgrade"
+	!insertmacro RestartWUAUService
 SectionEnd
 
 Section "-un.Legacy Update website" un.ACTIVEX
 	SetOutPath $INSTDIR
-
 	; Delete shortcut
 	Delete "$COMMONSTARTMENU\${NAME}.lnk"
 
@@ -686,7 +702,13 @@ Function .onInit
 		SetErrorLevel 1
 		Quit
 	${EndIf}
-
+	${If} ${FileExists} "$OUTDIR\Uninstall.exe"
+		IfSilent +3
+		Exec '"$OUTDIR\Uninstall.exe"'
+		Quit
+		Exec '"$OUTDIR\Uninstall.exe" /S'
+		Quit
+	${EndIf}
 	SetOutPath $PLUGINSDIR
 	File Patches.ini
 
@@ -843,7 +865,7 @@ Function .onInit
 
 	; Try not to be too intrusive on Windows 10 and newer, which are (for now) fine
 	${If} ${AtLeastWin10}
-		!insertmacro RemoveSection ${ROOTCERTS}
+		;!insertmacro RemoveSection ${ROOTCERTS}
 	${EndIf}
 
 	${IfNot} ${AtLeastWin7}
@@ -931,6 +953,7 @@ Function PreDownload
 			Call DownloadWin7SP1
 		${EndIf}
 
+		Call DownloadKB3102810
 		Call DownloadKB3138612
 		Call DownloadKB4474419
 		Call DownloadKB4490628
@@ -956,8 +979,7 @@ Function PreDownload
 	; General
 	Call DownloadWUA
 
-	${If} ${AtMostWin8.1}
+	${If} ${SectionIsSelected} ${ROOTCERTS}
-	${AndIf} ${SectionIsSelected} ${ROOTCERTS}
 		Call DownloadRoots
 	${EndIf}
 FunctionEnd
@@ -977,12 +999,12 @@ Function PostInstall
 
 	${IfNot} ${Silent}
 	${AndIfNot} ${IsRunOnce}
-		${If} ${FileExists} "$INSTDIR\LegacyUpdate.exe"
+		${If} ${AtLeastWin10}
-			Exec '"$INSTDIR\LegacyUpdate.exe" /launch $0'
-		${ElseIf} ${AtLeastWin10}
 			ExecShell "" "ms-settings:windowsupdate"
 		${ElseIf} ${AtLeastWinVista}
 			Exec '"$WINDIR\system32\wuauclt.exe" /ShowWUAutoScan'
+		${ElseIf} ${FileExists} "$INSTDIR\LegacyUpdate.exe"
+			Exec '"$INSTDIR\LegacyUpdate.exe" /launch $0'
 		${EndIf}
 
 		; Launch activation wizard if requested by the user

shared/Exec.c

@@ -0,0 +1,43 @@
+#include "stdafx.h"
+#include "Exec.h"
+
+HRESULT Exec(LPWSTR verb, LPWSTR file, LPWSTR params, LPWSTR workingDir, WORD show, BOOL wait, LPDWORD exitCode) {
+	SHELLEXECUTEINFO execInfo = {0};
+	execInfo.cbSize = sizeof(execInfo);
+	execInfo.lpVerb = verb;
+	execInfo.lpFile = file;
+	execInfo.lpParameters = params;
+	execInfo.lpDirectory = workingDir;
+	execInfo.nShow = show;
+	return ExecEx(&execInfo, wait, exitCode);
+}
+
+HRESULT ExecEx(LPSHELLEXECUTEINFO execInfo, BOOL wait, LPDWORD exitCode) {
+	if (wait) {
+		execInfo->fMask |= SEE_MASK_NOCLOSEPROCESS;
+	}
+
+	if (!ShellExecuteEx(execInfo)) {
+		return HRESULT_FROM_WIN32(GetLastError());
+	}
+
+	HRESULT hr = S_OK;
+
+	if (wait) {
+		if (execInfo->hProcess == NULL) {
+			TRACE(L"ShellExecuteEx() didn't return a handle: %u", GetLastError());
+			hr = E_FAIL;
+		}
+
+		WaitForSingleObject(execInfo->hProcess, INFINITE);
+
+		if (exitCode != NULL && GetExitCodeProcess(execInfo->hProcess, exitCode) == 0) {
+			hr = HRESULT_FROM_WIN32(GetLastError());
+			TRACE(L"GetExitCodeProcess() failed: %p\n", hr);
+		}
+
+		CloseHandle(execInfo->hProcess);
+	}
+
+	return hr;
+}

shared/Exec.h

@@ -0,0 +1,7 @@
+#pragma once
+
+#include <windows.h>
+#include <shellapi.h>
+
+EXTERN_C HRESULT Exec(LPWSTR verb, LPWSTR file, LPWSTR params, LPWSTR workingDir, WORD show, BOOL wait, LPDWORD exitCode);
+EXTERN_C HRESULT ExecEx(LPSHELLEXECUTEINFO execInfo, BOOL wait, LPDWORD exitCode);

shared/GetPidForName.c

@@ -0,0 +1,36 @@
+#include "stdafx.h"
+#include <psapi.h>
+#include "GetPidForName.h"
+
+#pragma comment(lib, "psapi.lib")
+
+DWORD GetPidForName(const LPTSTR process) {
+	// Yes, eat all of our SHRTs!
+	DWORD pids[SHRT_MAX];
+	DWORD bytesReturned;
+	if (!EnumProcesses(pids, sizeof(pids), &bytesReturned)) {
+		return 0;
+	}
+
+	DWORD count = bytesReturned / sizeof(DWORD);
+	for (DWORD i = 0; i < count; ++i) {
+		HANDLE handle = OpenProcess(PROCESS_QUERY_LIMITED_INFORMATION | PROCESS_VM_READ, FALSE, pids[i]);
+		if (handle) {
+			WCHAR path[MAX_PATH];
+			if (GetModuleBaseName(handle, NULL, path, ARRAYSIZE(path))) {
+				LPWSTR basename = wcsrchr(path, L'\\');
+				if (basename) {
+					basename += 1;
+					CharLowerBuffW(basename, (DWORD)wcslen(basename));
+					if (_wcsicmp(process, basename) == 0) {
+						CloseHandle(handle);
+						return pids[i];
+					}
+				}
+			}
+			CloseHandle(handle);
+		}
+	}
+
+	return 0;
+}

shared/GetPidForName.h

@@ -0,0 +1,5 @@
+#pragma once
+
+#include <windows.h>
+
+EXTERN_C DWORD GetPidForName(LPTSTR process);

shared/LegacyUpdate.c

@@ -0,0 +1,31 @@
+#include "stdafx.h"
+#include <windows.h>
+#include "Registry.h"
+
+static LPWSTR _installPath;
+
+EXTERN_C HRESULT GetInstallPath(LPWSTR *path) {
+	*path = (LPWSTR)LocalAlloc(LPTR, MAX_PATH * sizeof(WCHAR));
+	HRESULT hr = S_OK;
+
+	if (!_installPath) {
+		DWORD size = 0;
+		hr = GetRegistryString(HKEY_LOCAL_MACHINE, L"Software\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\LegacyUpdate", L"InstallLocation", KEY_WOW64_64KEY, &_installPath, &size);
+		if (SUCCEEDED(hr)) {
+			lstrcpy(*path, _installPath);
+			return S_OK;
+		}
+
+		// Do our best to guess where it should be
+		LPWSTR programFiles;
+		hr = GetRegistryString(HKEY_LOCAL_MACHINE, L"Software\\Microsoft\\Windows\\CurrentVersion", L"ProgramFilesDir", KEY_WOW64_64KEY, &programFiles, &size);
+		if (SUCCEEDED(hr)) {
+			_installPath = (LPWSTR)LocalAlloc(LPTR, MAX_PATH * sizeof(WCHAR));
+			wsprintf(_installPath, L"%ls\\Legacy Update", programFiles);
+			LocalFree(programFiles);
+		}
+	}
+
+	lstrcpy(*path, _installPath);
+	return hr;
+}

shared/LegacyUpdate.h

@@ -0,0 +1,5 @@
+#pragma once
+
+#include <windows.h>
+
+EXTERN_C HRESULT GetInstallPath(LPWSTR *path);

shared/LoadImage.c

@@ -0,0 +1,256 @@
+#include <windows.h>
+#include <wincodec.h>
+#include <gdiplus.h>
+
+// Adapted from https://faithlife.codes/blog/2008/09/displaying_a_splash_screen_with_c_part_i/
+//  1. Get resource as an IStream
+//  2. Use Windows Imaging Component to load the PNG
+//  3. Convert the WIC bitmap to an HBITMAP
+// Why does loading a PNG need to be so difficult?
+
+typedef HRESULT (WINAPI *_WICConvertBitmapSource)(REFWICPixelFormatGUID dstFormat, IWICBitmapSource *pISrc, IWICBitmapSource **ppIDst);
+
+static _WICConvertBitmapSource $WICConvertBitmapSource;
+
+static HGLOBAL GetRawResource(HINSTANCE hInstance, LPWSTR name, LPWSTR type) {
+	HRSRC resource = FindResource(hInstance, name, type);
+	if (!resource) {
+		TRACE(L"FindResource failed: %d", GetLastError());
+		return NULL;
+	}
+
+	DWORD resourceSize = SizeofResource(hInstance, resource);
+	HGLOBAL imageHandle = LoadResource(hInstance, resource);
+	if (!imageHandle) {
+		TRACE(L"LoadResource failed: %d", GetLastError());
+		return NULL;
+	}
+
+	LPVOID sourceResourceData = LockResource(imageHandle);
+	if (!sourceResourceData) {
+		TRACE(L"LockResource failed: %d", GetLastError());
+		return NULL;
+	}
+
+	HGLOBAL resourceDataHandle = GlobalAlloc(GMEM_MOVEABLE, resourceSize);
+	if (!resourceDataHandle) {
+		TRACE(L"GlobalAlloc failed: %d", GetLastError());
+		return NULL;
+	}
+
+	LPVOID resourceData = GlobalLock(resourceDataHandle);
+	if (!resourceData) {
+		TRACE(L"GlobalLock failed: %d", GetLastError());
+		GlobalFree(resourceDataHandle);
+		return NULL;
+	}
+
+	CopyMemory(resourceData, sourceResourceData, resourceSize);
+	GlobalUnlock(resourceDataHandle);
+	return resourceDataHandle;
+}
+
+static IStream *GetResourceStream(HINSTANCE hInstance, LPWSTR name, LPWSTR type) {
+	IStream *stream;
+	HGLOBAL resource = GetRawResource(hInstance, name, type);
+	if (!resource) {
+		TRACE(L"GetResource failed: %d", GetLastError());
+		return NULL;
+	}
+
+	if (SUCCEEDED(CreateStreamOnHGlobal(resource, TRUE, &stream))) {
+		return stream;
+	}
+
+	GlobalFree(resource);
+	return NULL;
+}
+
+static IWICBitmapSource *GetWICBitmap(IStream *imageStream) {
+	IWICBitmapSource *bitmap;
+	IWICBitmapDecoder *decoder;
+	UINT frameCount;
+	IWICBitmapFrameDecode *frame;
+
+	if (!SUCCEEDED(CoCreateInstance(&CLSID_WICPngDecoder, NULL, CLSCTX_INPROC_SERVER, &IID_IWICBitmapDecoder, (LPVOID *)&decoder))) {
+		return NULL;
+	}
+
+	if (!SUCCEEDED(IWICBitmapDecoder_Initialize(decoder, imageStream, WICDecodeMetadataCacheOnLoad))) {
+		goto end;
+	}
+
+	if (!SUCCEEDED(IWICBitmapDecoder_GetFrameCount(decoder, &frameCount)) || frameCount != 1) {
+		goto end;
+	}
+
+	if (!SUCCEEDED(IWICBitmapDecoder_GetFrame(decoder, 0, &frame))) {
+		goto end;
+	}
+
+	$WICConvertBitmapSource(&GUID_WICPixelFormat32bppPBGRA, (IWICBitmapSource *)frame, &bitmap);
+	IWICBitmapFrameDecode_Release(frame);
+
+end:
+	IWICBitmapDecoder_Release(decoder);
+	return bitmap;
+}
+
+static HBITMAP GetHBitmapForWICBitmap(IWICBitmapSource *bitmap) {
+	HBITMAP hBitmap;
+	UINT width, height;
+	if (!SUCCEEDED(IWICBitmapSource_GetSize(bitmap, &width, &height)) || width == 0 || height == 0) {
+		return NULL;
+	}
+
+	BITMAPINFO bminfo;
+	ZeroMemory(&bminfo, sizeof(bminfo));
+	bminfo.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
+	bminfo.bmiHeader.biWidth = width;
+	bminfo.bmiHeader.biHeight = -(LONG)height;
+	bminfo.bmiHeader.biPlanes = 1;
+	bminfo.bmiHeader.biBitCount = 32;
+	bminfo.bmiHeader.biCompression = BI_RGB;
+
+	void *imageBits;
+	HDC screenDC = GetDC(NULL);
+	hBitmap = CreateDIBSection(screenDC, &bminfo, DIB_RGB_COLORS, &imageBits, NULL, 0);
+	ReleaseDC(NULL, screenDC);
+	if (!hBitmap) {
+		return NULL;
+	}
+
+	UINT stride = width * 4;
+	UINT imageSize = stride * height;
+	if (!SUCCEEDED(IWICBitmapSource_CopyPixels(bitmap, NULL, stride, imageSize, (BYTE*)imageBits))) {
+		DeleteObject(hBitmap);
+		return NULL;
+	}
+
+	return hBitmap;
+}
+
+HBITMAP LoadPNGResource(HINSTANCE hInstance, LPWSTR resourceName, LPWSTR resourceType) {
+	if (!$WICConvertBitmapSource) {
+		$WICConvertBitmapSource = (_WICConvertBitmapSource)GetProcAddress(LoadLibrary(L"windowscodecs.dll"), "WICConvertBitmapSource");
+		if (!$WICConvertBitmapSource) {
+			return NULL;
+		}
+	}
+
+	IStream *imageStream = GetResourceStream(hInstance, resourceName, resourceType);
+	if (!imageStream) {
+		TRACE(L"GetResourceStream failed: %d", GetLastError());
+		return NULL;
+	}
+
+	IWICBitmapSource *bitmap = GetWICBitmap(imageStream);
+	if (!bitmap) {
+		TRACE(L"GetWICBitmap failed: %d", GetLastError());
+		IStream_Release(imageStream);
+		return NULL;
+	}
+
+	HBITMAP result = GetHBitmapForWICBitmap(bitmap);
+	IWICBitmapSource_Release(bitmap);
+	IStream_Release(imageStream);
+	return result;
+}
+
+BOOL ScaleAndWriteToBMP(HBITMAP hBitmap, DWORD width, DWORD height, LPWSTR outputPath) {
+	BOOL result = FALSE;
+	if (!hBitmap) {
+		TRACE(L"Null bitmap");
+		return FALSE;
+	}
+
+	HDC hdc = GetDC(NULL);
+	HDC hdcMem = CreateCompatibleDC(hdc);
+	HBITMAP scaledBitmap = CreateCompatibleBitmap(hdc, width, height);
+	if (!scaledBitmap) {
+		TRACE(L"CreateCompatibleBitmap failed: %d", GetLastError());
+		goto end;
+	}
+
+	BITMAP bmp;
+	if (!GetObject(hBitmap, sizeof(BITMAP), &bmp)) {
+		TRACE(L"GetObject failed: %d", GetLastError());
+		goto end;
+	}
+
+	HBITMAP hOld = (HBITMAP)SelectObject(hdcMem, hBitmap);
+	HDC hdcMemScaled = CreateCompatibleDC(hdc);
+	HBITMAP hOldScaled = (HBITMAP)SelectObject(hdcMemScaled, scaledBitmap);
+	SetStretchBltMode(hdcMemScaled, HALFTONE);
+
+	if (!StretchBlt(hdcMemScaled,
+		0, 0, width, height, hdcMem,
+		0, 0, bmp.bmWidth, bmp.bmHeight, SRCCOPY)) {
+		TRACE(L"StretchBlt failed: %d", GetLastError());
+		goto end;
+	}
+
+	BITMAPINFOHEADER bmih = {0};
+	bmih.biSize = sizeof(BITMAPINFOHEADER);
+	bmih.biWidth = width;
+	bmih.biHeight = height;
+	bmih.biPlanes = 1;
+	bmih.biBitCount = bmp.bmBitsPixel;
+	bmih.biCompression = BI_RGB;
+	bmih.biSizeImage = ((width * bmp.bmBitsPixel + 31) / 32) * 4 * height;
+
+	BITMAPFILEHEADER bmfh = {0};
+	bmfh.bfType = 0x4D42;
+	bmfh.bfOffBits = sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER);
+	bmfh.bfSize = bmfh.bfOffBits + bmih.biSizeImage;
+
+	HGLOBAL handle = GlobalAlloc(GMEM_MOVEABLE, bmih.biSizeImage);
+	if (!handle) {
+		TRACE(L"GlobalAlloc failed: %d", GetLastError());
+		goto end;
+	}
+
+	BYTE *bitmapData = (BYTE *)GlobalLock(handle);
+	if (!bitmapData) {
+		TRACE(L"GlobalLock failed: %d", GetLastError());
+		goto end;
+	}
+
+	if (!GetDIBits(hdcMemScaled, scaledBitmap, 0, height, bitmapData, (BITMAPINFO *)&bmih, DIB_RGB_COLORS)) {
+		TRACE(L"GetDIBits failed: %d", GetLastError());
+		goto end;
+	}
+
+	HANDLE file = CreateFile(outputPath, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
+	if (file == INVALID_HANDLE_VALUE) {
+		TRACE(L"CreateFile failed: %d", GetLastError());
+		goto end;
+	}
+
+	DWORD written;
+	if (!WriteFile(file, &bmfh, sizeof(BITMAPFILEHEADER), &written, NULL) ||
+		!WriteFile(file, &bmih, sizeof(BITMAPINFOHEADER), &written, NULL) ||
+		!WriteFile(file, bitmapData, bmih.biSizeImage, &written, NULL)) {
+		TRACE(L"WriteFile failed: %d", GetLastError());
+		goto end;
+	}
+
+	result = TRUE;
+
+end:
+	if (file && file != INVALID_HANDLE_VALUE) {
+		CloseHandle(file);
+	}
+	if (scaledBitmap) {
+		DeleteObject(scaledBitmap);
+	}
+	if (handle) {
+		GlobalUnlock(handle);
+		GlobalFree(handle);
+	}
+	ReleaseDC(NULL, hdc);
+	DeleteDC(hdcMem);
+	DeleteDC(hdcMemScaled);
+
+	return result;
+}

shared/LoadImage.h

@@ -0,0 +1,4 @@
+#include <windows.h>
+
+HBITMAP LoadPNGResource(HINSTANCE hInstance, LPWSTR resourceName, LPWSTR resourceType);
+BOOL ScaleAndWriteToBMP(HBITMAP hBitmap, DWORD width, DWORD height, LPWSTR outputPath);

shared/Registry.c

@@ -0,0 +1,93 @@
+#include "stdafx.h"
+#include "Registry.h"
+#include "VersionInfo.h"
+#include <malloc.h>
+
+static ALWAYS_INLINE REGSAM GetWow64Flag(REGSAM options) {
+#ifdef _WIN64
+	return options;
+#else
+	if (AtLeastWinXP2002()) {
+		return options;
+	}
+
+	// Filter out WOW64 keys, which are not supported on Windows 2000
+	return options & ~(KEY_WOW64_64KEY | KEY_WOW64_32KEY);
+#endif
+}
+
+HRESULT GetRegistryString(HKEY key, LPCWSTR subkeyPath, LPCWSTR valueName, REGSAM options, LPWSTR *data, LPDWORD size) {
+	HKEY subkey;
+	HRESULT hr = HRESULT_FROM_WIN32(RegOpenKeyEx(key, subkeyPath, 0, GetWow64Flag(KEY_READ | options), &subkey));
+	if (!SUCCEEDED(hr)) {
+		goto end;
+	}
+
+	if (data) {
+		DWORD length = 512 * sizeof(WCHAR);
+		LPWSTR buffer = (LPWSTR)LocalAlloc(LPTR, length);
+		if (!buffer) {
+			hr = E_OUTOFMEMORY;
+			goto end;
+		}
+
+		LSTATUS status;
+		do {
+			status = RegQueryValueEx(subkey, valueName, NULL, NULL, (BYTE *)buffer, &length);
+			if (status == ERROR_MORE_DATA) {
+				length += 256 * sizeof(WCHAR);
+				LPWSTR newBuffer = (LPWSTR)LocalReAlloc(buffer, length, LMEM_MOVEABLE);
+				if (!newBuffer) {
+					LocalFree(buffer);
+					hr = E_OUTOFMEMORY;
+					goto end;
+				}
+
+				buffer = newBuffer;
+			} else if (status != ERROR_SUCCESS) {
+				hr = HRESULT_FROM_WIN32(status);
+				LocalFree(buffer);
+				goto end;
+			}
+		} while (status == ERROR_MORE_DATA);
+
+		*data = buffer;
+
+		if (size) {
+			*size = length / sizeof(WCHAR);
+		}
+	}
+
+end:
+	if (subkey) {
+		RegCloseKey(subkey);
+	}
+	if (!SUCCEEDED(hr)) {
+		if (data) {
+			*data = NULL;
+		}
+		if (size) {
+			*size = 0;
+		}
+	}
+	return hr;
+}
+
+HRESULT GetRegistryDword(HKEY key, LPCWSTR subkeyPath, LPCWSTR valueName, REGSAM options, LPDWORD data) {
+	HKEY subkey;
+	HRESULT hr = HRESULT_FROM_WIN32(RegOpenKeyEx(key, subkeyPath, 0, GetWow64Flag(KEY_READ | options), &subkey));
+	if (!SUCCEEDED(hr)) {
+		goto end;
+	}
+
+	if (data) {
+		DWORD length = sizeof(DWORD);
+		hr = HRESULT_FROM_WIN32(RegQueryValueEx(subkey, valueName, NULL, NULL, (LPBYTE)data, &length));
+	}
+
+end:
+	if (subkey) {
+		RegCloseKey(subkey);
+	}
+	return hr;
+}

shared/Registry.h

@@ -0,0 +1,6 @@
+#pragma once
+
+#include <windows.h>
+
+EXTERN_C HRESULT GetRegistryString(HKEY key, LPCWSTR subkeyPath, LPCWSTR valueName, REGSAM options, LPWSTR *data, LPDWORD size);
+EXTERN_C HRESULT GetRegistryDword(HKEY key, LPCWSTR subkeyPath, LPCWSTR valueName, REGSAM options, LPDWORD data);

shared/Startup.h

@@ -0,0 +1,45 @@
+#pragma once
+
+#include <windows.h>
+
+typedef void (WINAPI *_SetDefaultDllDirectories)(DWORD DirectoryFlags);
+typedef BOOL (WINAPI *_SetDllDirectoryW)(LPWSTR);
+
+static inline void HardenDllSearchPaths() {
+	// Try our best to secure DLL search paths to just system32
+	WCHAR path[MAX_PATH];
+
+	// Reset %windir% and %SystemRoot%
+	GetWindowsDirectory(path, ARRAYSIZE(path));
+	SetEnvironmentVariable(L"WINDIR", path);
+	SetEnvironmentVariable(L"SystemRoot", path);
+
+	// Reset %PATH% to just system32
+	ZeroMemory(path, sizeof(path));
+	GetSystemDirectory(path, ARRAYSIZE(path));
+	SetEnvironmentVariable(L"PATH", path);
+
+	wcscat(path, L"\\kernel32.dll");
+	HMODULE kernel32 = GetModuleHandle(path);
+	if (!kernel32) {
+		return;
+	}
+
+	// Windows Vista SP2+/7 SP1+ with KB2533623
+	_SetDefaultDllDirectories $SetDefaultDllDirectories = (_SetDefaultDllDirectories)GetProcAddress(kernel32, "SetDefaultDllDirectories");
+	if ($SetDefaultDllDirectories) {
+		$SetDefaultDllDirectories(LOAD_LIBRARY_SEARCH_SYSTEM32);
+		return;
+	}
+
+	// Windows XP SP1+
+	_SetDllDirectoryW $SetDllDirectoryW = (_SetDllDirectoryW)GetProcAddress(kernel32, "SetDllDirectoryW");
+	if ($SetDllDirectoryW) {
+		$SetDllDirectoryW(L"");
+		return;
+	}
+}
+
+static inline void Startup() {
+	HardenDllSearchPaths();
+}

shared/Trace.h

@@ -0,0 +1,16 @@
+#pragma once
+
+#if defined(ATLTRACE)
+	#define TRACE ATLTRACE
+#elif defined(_DEBUG)
+	// Yeah, sue me lol
+	#define TRACE(...) { \
+		LPWSTR __traceMsg = (LPWSTR)LocalAlloc(LPTR, 4096 * sizeof(WCHAR)); \
+		wsprintf(__traceMsg, L"%hs(%d): %hs: ", __FILE__, __LINE__, __FUNCTION__); \
+		wsprintf(__traceMsg + wcslen(__traceMsg), __VA_ARGS__); \
+		MessageBox(NULL, __traceMsg, L"Debug", MB_OK); \
+		LocalFree(__traceMsg); \
+	}
+#else
+	#define TRACE(...)
+#endif

shared/User.h

@@ -0,0 +1,20 @@
+#pragma once
+
+#include <windows.h>
+
+static inline BOOL IsUserAdmin() {
+	SID_IDENTIFIER_AUTHORITY authority = SECURITY_NT_AUTHORITY;
+	PSID adminsSid;
+	BOOL result = FALSE;
+
+	if (!AllocateAndInitializeSid(&authority, 2, SECURITY_BUILTIN_DOMAIN_RID, DOMAIN_ALIAS_RID_ADMINS, 0, 0, 0, 0, 0, 0, &adminsSid)) {
+		return FALSE;
+	}
+
+	if (!CheckTokenMembership(NULL, adminsSid, &result)) {
+		result = FALSE;
+	}
+
+	FreeSid(adminsSid);
+	return result;
+}

shared/Version.h

@@ -0,0 +1,6 @@
+#define VERSION_MAJOR 1
+#define VERSION_MINOR 11
+#define VERSION_PATCH 0
+#define VERSION_BUILD 0
+
+#define VERSION_STRING "1.11"

shared/VersionInfo.c

@@ -0,0 +1,44 @@
+#include "stdafx.h"
+#include "VersionInfo.h"
+
+static BOOL _loadedOwnVersion = FALSE;
+static LPWSTR _version;
+
+HRESULT GetOwnVersion(LPWSTR *version) {
+	if (!_loadedOwnVersion) {
+		_loadedOwnVersion = TRUE;
+
+		LPWSTR filename;
+		GetOwnFileName(&filename);
+
+		DWORD verHandle;
+		DWORD verInfoSize = GetFileVersionInfoSize(filename, &verHandle);
+		if (verInfoSize == 0) {
+			LocalFree(filename);
+			return HRESULT_FROM_WIN32(GetLastError());
+		}
+
+		LPVOID verInfo = LocalAlloc(LPTR, verInfoSize);
+		if (!GetFileVersionInfo(filename, verHandle, verInfoSize, verInfo)) {
+			LocalFree(filename);
+			LocalFree(verInfo);
+			return HRESULT_FROM_WIN32(GetLastError());
+		}
+
+		LocalFree(filename);
+
+		LPWSTR value;
+		UINT size;
+		if (!VerQueryValue(verInfo, L"\\StringFileInfo\\040904B0\\ProductVersion", (LPVOID *)&value, &size)) {
+			LocalFree(verInfo);
+			return HRESULT_FROM_WIN32(GetLastError());
+		}
+
+		_version = (LPWSTR)LocalAlloc(LPTR, (wcslen(value) + 1) * sizeof(WCHAR));
+		wcscpy(_version, value);
+		LocalFree(verInfo);
+	}
+
+	*version = _version;
+	return _version == NULL ? E_FAIL : S_OK;
+}

shared/WMI.c

@@ -0,0 +1,79 @@
+#include "stdafx.h"
+#include "WMI.h"
+#include <wbemcli.h>
+
+#pragma comment(lib, "wbemuuid.lib")
+
+#ifdef __cplusplus
+	#define our_CLSID_WbemLocator CLSID_WbemLocator
+	#define our_IID_IWbemLocator  IID_IWbemLocator
+	#define IWbemLocator_ConnectServer(obj, ...) obj->ConnectServer(__VA_ARGS__)
+	#define IWbemServices_ExecQuery(obj, ...)    obj->ExecQuery(__VA_ARGS__)
+	#define IEnumWbemClassObject_Next(obj, ...)  obj->Next(__VA_ARGS__)
+	#define IWbemClassObject_Get(obj, ...)       obj->Get(__VA_ARGS__)
+	#define IWbemClassObject_Release(obj)        obj->Release()
+	#define IEnumWbemClassObject_Release(obj)    obj->Release()
+	#define IWbemServices_Release(obj)           obj->Release()
+	#define IWbemLocator_Release(obj)            obj->Release()
+#else
+	#define our_CLSID_WbemLocator &CLSID_WbemLocator
+	#define our_IID_IWbemLocator  &IID_IWbemLocator
+#endif
+
+HRESULT QueryWMIProperty(LPWSTR query, LPWSTR property, LPVARIANT value) {
+	IWbemLocator *locator = NULL;
+	IWbemServices *services = NULL;
+	IEnumWbemClassObject *enumerator = NULL;
+	IWbemClassObject *object = NULL;
+	HRESULT hr = CoCreateInstance(our_CLSID_WbemLocator, NULL, CLSCTX_INPROC_SERVER, our_IID_IWbemLocator, (void **)&locator);
+	if (!SUCCEEDED(hr)) {
+		goto end;
+	}
+
+	BSTR server = SysAllocString(L"ROOT\\CIMV2");
+	hr = IWbemLocator_ConnectServer(locator, server, NULL, NULL, NULL, 0, NULL, NULL, &services);
+	SysFreeString(server);
+	if (!SUCCEEDED(hr)) {
+		goto end;
+	}
+
+	hr = CoSetProxyBlanket((IUnknown *)services, RPC_C_AUTHN_WINNT, RPC_C_AUTHZ_NONE, NULL, RPC_C_AUTHN_LEVEL_CALL, RPC_C_IMP_LEVEL_IMPERSONATE, NULL, EOAC_NONE);
+	if (!SUCCEEDED(hr)) {
+		goto end;
+	}
+
+	BSTR wql = SysAllocString(L"WQL");
+	BSTR queryBstr = SysAllocString(query);
+	hr = IWbemServices_ExecQuery(services, wql, queryBstr, WBEM_FLAG_FORWARD_ONLY | WBEM_FLAG_RETURN_IMMEDIATELY, NULL, &enumerator);
+	SysFreeString(wql);
+	SysFreeString(queryBstr);
+	if (!SUCCEEDED(hr)) {
+		goto end;
+	}
+
+	ULONG uReturn = 0;
+	hr = IEnumWbemClassObject_Next(enumerator, WBEM_INFINITE, 1, &object, &uReturn);
+	if (!SUCCEEDED(hr)) {
+		goto end;
+	}
+
+	BSTR propBstr = SysAllocString(property);
+	hr = IWbemClassObject_Get(object, propBstr, 0, value, NULL, NULL);
+	SysFreeString(propBstr);
+
+end:
+	if (object) {
+		IWbemClassObject_Release(object);
+	}
+	if (enumerator) {
+		IEnumWbemClassObject_Release(enumerator);
+	}
+	if (services) {
+		IWbemServices_Release(services);
+	}
+	if (locator) {
+		IWbemLocator_Release(locator);
+	}
+
+	return hr;
+}