Bare bones implementation of a RunDLL32.exe simplified functionality …

…running on Windows 7 and newer.
BenjaminSoelberg · Sep 10, 2016 · 16dfd60 · 16dfd60
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diff --git a/Rundll32-ng.sln b/Rundll32-ng.sln
@@ -0,0 +1,28 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 14
+VisualStudioVersion = 14.0.25123.0
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "Rundll32-ng", "Rundll32-ng\Rundll32-ng.vcxproj", "{3DF51E1E-F213-4DFA-B0B0-7D3CF80F66DC}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|x64 = Debug|x64
+		Debug|x86 = Debug|x86
+		Release|x64 = Release|x64
+		Release|x86 = Release|x86
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{3DF51E1E-F213-4DFA-B0B0-7D3CF80F66DC}.Debug|x64.ActiveCfg = Debug|x64
+		{3DF51E1E-F213-4DFA-B0B0-7D3CF80F66DC}.Debug|x64.Build.0 = Debug|x64
+		{3DF51E1E-F213-4DFA-B0B0-7D3CF80F66DC}.Debug|x86.ActiveCfg = Debug|Win32
+		{3DF51E1E-F213-4DFA-B0B0-7D3CF80F66DC}.Debug|x86.Build.0 = Debug|Win32
+		{3DF51E1E-F213-4DFA-B0B0-7D3CF80F66DC}.Release|x64.ActiveCfg = Release|x64
+		{3DF51E1E-F213-4DFA-B0B0-7D3CF80F66DC}.Release|x64.Build.0 = Release|x64
+		{3DF51E1E-F213-4DFA-B0B0-7D3CF80F66DC}.Release|x86.ActiveCfg = Release|Win32
+		{3DF51E1E-F213-4DFA-B0B0-7D3CF80F66DC}.Release|x86.Build.0 = Release|Win32
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal
diff --git a/Rundll32-ng/ReadMe.txt b/Rundll32-ng/ReadMe.txt
@@ -0,0 +1,40 @@
+========================================================================
+    CONSOLE APPLICATION : Rundll32-ng Project Overview
+========================================================================
+
+AppWizard has created this Rundll32-ng application for you.
+
+This file contains a summary of what you will find in each of the files that
+make up your Rundll32-ng application.
+
+
+Rundll32-ng.vcxproj
+    This is the main project file for VC++ projects generated using an Application Wizard.
+    It contains information about the version of Visual C++ that generated the file, and
+    information about the platforms, configurations, and project features selected with the
+    Application Wizard.
+
+Rundll32-ng.vcxproj.filters
+    This is the filters file for VC++ projects generated using an Application Wizard. 
+    It contains information about the association between the files in your project 
+    and the filters. This association is used in the IDE to show grouping of files with
+    similar extensions under a specific node (for e.g. ".cpp" files are associated with the
+    "Source Files" filter).
+
+Rundll32-ng.cpp
+    This is the main application source file.
+
+/////////////////////////////////////////////////////////////////////////////
+Other standard files:
+
+StdAfx.h, StdAfx.cpp
+    These files are used to build a precompiled header (PCH) file
+    named Rundll32-ng.pch and a precompiled types file named StdAfx.obj.
+
+/////////////////////////////////////////////////////////////////////////////
+Other notes:
+
+AppWizard uses "TODO:" comments to indicate parts of the source code you
+should add to or customize.
+
+/////////////////////////////////////////////////////////////////////////////
diff --git a/Rundll32-ng/Rundll32-ng.cpp b/Rundll32-ng/Rundll32-ng.cpp
@@ -0,0 +1,117 @@
+//
+// My first attempt to create a new and better version of RUNDLL32.EXE
+//
+
+#include "stdafx.h"
+
+#include <windows.h>
+#include <string.h>
+#include <atlstr.h>
+#include "Rundll32-ng.h"
+
+#define MAX_IMPORT_NAME_SIZE 4096
+typedef UINT(CALLBACK* IMPORTED_FUNCTION)();
+
+void printUsage()
+{
+	_tprintf(_T("RUNDLL32-NG.EXE <dllname> <optional entrypoint>"));
+}
+
+void FormatErrorMessage(DWORD ErrorCode)
+{
+	if (ErrorCode == 0x13d)
+	{
+		_tprintf(_T("0x%08X Unknown error"), ErrorCode);
+		return;
+	}
+
+	TCHAR* pMsgBuf = NULL;
+	DWORD nMsgLen = FormatMessage(
+		FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
+		NULL,
+		ErrorCode,
+		MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
+		reinterpret_cast<LPTSTR>(&pMsgBuf),
+		0,
+		NULL);
+
+	if (!nMsgLen)
+	{
+		_tprintf(_T("0x%08X Unknown error"), ErrorCode);
+		return;
+	}
+
+	_tprintf(_T("0x%08X %s"), ErrorCode, pMsgBuf);
+	LocalFree(pMsgBuf);
+}
+
+void printError()
+{
+	FormatErrorMessage(GetLastError());
+}
+
+IMPORTED_FUNCTION importFunction(HINSTANCE hinstLib, wchar_t* importNameW)
+{
+	// Convert W to A
+	size_t i;
+	char* importNameA = (char *)malloc(MAX_IMPORT_NAME_SIZE);
+	wcstombs_s(&i, importNameA, (size_t)MAX_IMPORT_NAME_SIZE, importNameW, (size_t)MAX_IMPORT_NAME_SIZE);
+
+	// Find import
+	IMPORTED_FUNCTION importedFunction = (IMPORTED_FUNCTION)GetProcAddress(hinstLib, importNameA);
+
+	if (importNameA)
+	{
+		free(importNameA);
+	}
+
+	if (importedFunction == NULL)
+	{
+		printError();
+	}
+
+	return importedFunction;
+}
+
+HMODULE loadLibrary(wchar_t* libraryNameW)
+{
+	HMODULE hinstLib = LoadLibrary(libraryNameW);
+	if (hinstLib == NULL)
+	{
+		printError();
+	}
+
+	return hinstLib;
+}
+
+int wmain(int argc, wchar_t* argv[])
+{
+	if (argc < 2 || argc > 3)
+	{
+		printUsage();
+		return 1;
+	}
+
+	int result = 0;
+	HINSTANCE hinstLib = loadLibrary(argv[1]);
+	if (hinstLib != NULL)
+	{
+		if (argc == 3)
+		{
+			IMPORTED_FUNCTION importedFunction = importFunction(hinstLib, argv[2]);
+			if (importedFunction != NULL)
+			{
+				importedFunction();
+			}
+			else {
+				result = 3;
+			}
+		}
+		FreeLibrary(hinstLib);
+	}
+	else {
+		result = 2;
+	}
+
+	return result;
+}
diff --git a/Rundll32-ng/Rundll32-ng.h b/Rundll32-ng/Rundll32-ng.h
@@ -0,0 +1,3 @@
+#pragma once
+
+
diff --git a/Rundll32-ng/Rundll32-ng.vcxproj b/Rundll32-ng/Rundll32-ng.vcxproj
@@ -0,0 +1,160 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{3DF51E1E-F213-4DFA-B0B0-7D3CF80F66DC}</ProjectGuid>
+    <Keyword>Win32Proj</Keyword>
+    <RootNamespace>Rundll32ng</RootNamespace>
+    <WindowsTargetPlatformVersion>8.1</WindowsTargetPlatformVersion>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v140</PlatformToolset>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v140</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v140</PlatformToolset>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v140</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="Shared">
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+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
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+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <LinkIncremental>true</LinkIncremental>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <LinkIncremental>true</LinkIncremental>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <LinkIncremental>false</LinkIncremental>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <LinkIncremental>false</LinkIncremental>
+  </PropertyGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <ClCompile>
+      <PrecompiledHeader>Use</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
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+      <WarningLevel>Level3</WarningLevel>
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+    </Link>
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+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <PrecompiledHeader>Use</PrecompiledHeader>
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+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
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+    <Link>
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+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+    <Text Include="ReadMe.txt" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="Rundll32-ng.h" />
+    <ClInclude Include="stdafx.h" />
+    <ClInclude Include="targetver.h" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="Rundll32-ng.cpp" />
+    <ClCompile Include="stdafx.cpp">
+      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">Create</PrecompiledHeader>
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+      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|x64'">Create</PrecompiledHeader>
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+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>
diff --git a/Rundll32-ng/Rundll32-ng.vcxproj.filters b/Rundll32-ng/Rundll32-ng.vcxproj.filters
@@ -0,0 +1,39 @@
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+      <Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
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+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <Text Include="ReadMe.txt" />
+  </ItemGroup>
+  <ItemGroup>
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+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="targetver.h">
+      <Filter>Header Files</Filter>
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+      <Filter>Header Files</Filter>
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