Updated to 4.8

Author: Broihon

.gitignore

@@ -5,3 +5,6 @@ GH Injector SM/GH Injector SM/x86/
 Release/
 Debug/
 GH Injector Library/Debug/
+GH Injector DNP/Release/
+GH Injector DNP/x64/
+GH Injector DNP/Debug/

GH Injector DNP/DotNetInjection.cpp

@@ -0,0 +1,237 @@
+#include "pch.h"
+
+#include "DotNetInjection.h"
+#include "FindModule.h"
+
+HRESULT LoadDotNetDll(const std::wstring & FilePath, const std::wstring & Version, const std::wstring & TypeName, const std::wstring & MethodName, const std::wstring & Argument, HINSTANCE & ModuleBase, DWORD & ReturnValue);
+void Log(const std::wstring & path, DWORD error, HINSTANCE base);
+
+DWORD __stdcall LoadDotNetBinary(void * pArg)
+{
+	UNREFERENCED_PARAMETER(pArg);
+
+	if (!g_hModuleBase)
+	{
+		CONSOLE_LOG("Invalid modules base\n");
+
+		return 0;
+	}
+
+	wchar_t szInfoPath[MAX_PATH * 2]{ 0 };
+	size_t max_size = sizeof(szInfoPath) / sizeof(wchar_t);
+
+	DWORD dwRet = GetModuleFileNameW(g_hModuleBase, szInfoPath, (DWORD)max_size);
+	if (!dwRet || GetLastError() == ERROR_INSUFFICIENT_BUFFER)
+	{
+		CONSOLE_LOG("GetModuleFileNameW failed: %08X\n", dwRet);
+
+		return 0;
+	}
+
+	std::wstring InfoPath = szInfoPath;
+	auto pos = InfoPath.find_last_of('\\');
+	if (pos == std::wstring::npos)
+	{
+		CONSOLE_LOG("Invalid InfoPath\n");
+
+		return 0;
+	}
+
+	InfoPath.erase(pos, InfoPath.back());
+	InfoPath += FILENAME;
+
+	std::wifstream File(InfoPath);
+	if (!File.good())
+	{
+		CONSOLE_LOG("Failed to open InfoPath\n");
+
+		File.close();
+
+		DeleteFileW(InfoPath.c_str());
+
+		Log(InfoPath, DNP_ERR_CANT_OPEN_FILE, NULL);
+
+		return 0;
+	}
+
+	std::wstringstream info_raw;
+	info_raw << File.rdbuf();
+
+	File.close();
+
+	DeleteFileW(InfoPath.c_str());
+
+	std::wstring info = info_raw.str();
+	std::vector<std::wstring> dot_net_data;
+
+	size_t current_position = info.find('\n');
+	while (current_position != std::wstring::npos)
+	{
+		dot_net_data.push_back(info.substr(0, current_position));
+		info.erase(0, current_position + sizeof('\n'));
+
+		current_position = info.find('\n');
+	}
+
+	dot_net_data.push_back(info);
+
+	if (dot_net_data.size() < 6)
+	{
+		CONSOLE_LOG("Invalid info: %d arguments provided (6 expected)\n", (DWORD)dot_net_data.size());
+
+		Log(InfoPath, DNP_ERR_INVALID_DATA, NULL);
+
+		return 0;
+	}
+
+	auto & dll_path			= dot_net_data[0];
+	auto & dot_net_version	= dot_net_data[1];
+	auto & info_typename	= dot_net_data[2].append(std::wstring(L".").append(dot_net_data[3]));
+	auto & info_method		= dot_net_data[4];
+	auto & info_argument	= dot_net_data[5];
+
+	DWORD		ReturnValue = 0;
+	HINSTANCE	ModuleBase	= NULL;
+	auto hRet = LoadDotNetDll(dll_path, dot_net_version, info_typename, info_method, info_argument, ModuleBase, ReturnValue);
+
+	if (hRet == S_OK)
+	{
+		Log(InfoPath, DNP_ERR_SUCCESS, ModuleBase);
+	}
+	else
+	{
+		Log(InfoPath, (DWORD)hRet, (HINSTANCE)DNP_ERR_HRESULT);
+	}
+
+	return 0;
+}
+
+HRESULT LoadDotNetDll(const std::wstring & FilePath, const std::wstring & Version, const std::wstring & TypeName, const std::wstring & MethodName, const std::wstring & Argument, HINSTANCE & ModuleBase, DWORD & ReturnValue)
+{
+	//I stole the following code years ago somewhere and am unable to fine the original source, I'm sorry :c
+
+	ICLRMetaHost	* MetaHost		= nullptr;
+	IEnumUnknown	* RuntimeEnum	= nullptr;
+	ICLRRuntimeInfo * RuntimeInfo	= nullptr;
+	ICLRRuntimeHost * RuntimeHost	= nullptr;
+
+	bool AlreadyLoaded = false;
+
+	HRESULT hRet = CLRCreateInstance(CLSID_CLRMetaHost, IID_ICLRMetaHost, reinterpret_cast<void **>(&MetaHost));
+	if (hRet != S_OK)
+	{
+		CONSOLE_LOG("CLRCreateInstance failed: %08X\n", hRet);
+
+		return hRet;
+	}
+
+	hRet = MetaHost->EnumerateLoadedRuntimes(GetCurrentProcess(), &RuntimeEnum);
+	if (hRet == S_OK)
+	{
+		ICLRRuntimeInfo * current_runtime = nullptr;
+
+		ULONG count = 0;
+		wchar_t current_runtime_version[MAX_PATH]{ 0 };
+
+		auto enum_ret = RuntimeEnum->Next(1, reinterpret_cast<IUnknown **>(&current_runtime), &count);
+		while (enum_ret == S_OK)
+		{
+			DWORD size = MAX_PATH;
+
+			hRet = current_runtime->GetVersionString(current_runtime_version, &size);
+			if (hRet == S_OK)
+			{
+				if (!Version.compare(current_runtime_version))
+				{
+					RuntimeInfo = current_runtime;
+					AlreadyLoaded = true;
+
+					CONSOLE_LOG("Runtime version %ls already loaded\n", Version.c_str());
+
+					break;
+				}
+			}
+
+			current_runtime->Release();
+
+			enum_ret = RuntimeEnum->Next(1, reinterpret_cast<IUnknown **>(&current_runtime), &count);
+		}
+
+		RuntimeEnum->Release();
+	}
+
+	if (!AlreadyLoaded)
+	{
+		hRet = MetaHost->GetRuntime(Version.c_str(), IID_ICLRRuntimeInfo, reinterpret_cast<void **>(&RuntimeInfo));
+		if (hRet != S_OK)
+		{
+			CONSOLE_LOG("ICLRMetaHost::GetRuntime failed: %08X\n", hRet);
+
+			MetaHost->Release();
+
+			return hRet;
+		}
+	}
+
+	hRet = RuntimeInfo->GetInterface(CLSID_CLRRuntimeHost, IID_ICLRRuntimeHost, reinterpret_cast<void **>(&RuntimeHost));
+	if (hRet != S_OK)
+	{
+		CONSOLE_LOG("ICLRRuntimeInfo::GetInterface failed: %08X\n", hRet);
+
+		RuntimeInfo->Release();
+		MetaHost->Release();
+
+		return hRet;
+	}
+	
+	if (!AlreadyLoaded)
+	{
+		hRet = RuntimeHost->Start();
+		if (hRet != S_OK)
+		{
+			CONSOLE_LOG("ICLRRuntimeHost::Start failed: %08X\n", hRet);
+
+			RuntimeHost->Release();
+			RuntimeInfo->Release();
+			MetaHost->Release();
+
+			return hRet;
+		}
+	}	
+
+	hRet = RuntimeHost->ExecuteInDefaultAppDomain(FilePath.c_str(), TypeName.c_str(), MethodName.c_str(), Argument.c_str(), &ReturnValue);
+	if (hRet == S_OK)
+	{
+		DWORD dwRet = FindModuleW(FilePath, ModuleBase);
+		if (dwRet != ERROR_SUCCESS)
+		{
+			CONSOLE_LOG("FindModuleW failed: %08X\n", dwRet);
+
+			hRet = (HRESULT)dwRet;
+		}
+	}
+	else
+	{
+		CONSOLE_LOG("ICLRRuntimeHost::ExecuteInDefaultAppDomain failed: %08X\n", hRet);
+	}
+
+	RuntimeHost->Release();
+	RuntimeInfo->Release();
+	MetaHost->Release();
+
+	return hRet;
+}
+
+void Log(const std::wstring & path, DWORD error, HINSTANCE base)
+{
+	std::wofstream File(path);
+	if (!File.good())
+	{
+		return;
+	}
+
+	File << std::hex << base << std::endl;
+	File << std::hex << error << std::endl;
+
+	File.close();
+}

GH Injector DNP/DotNetInjection.h

@@ -0,0 +1,16 @@
+#pragma once
+
+#include "pch.h"
+
+#define FILENAME L"\\DNPD.txt"
+
+DWORD __stdcall LoadDotNetBinary(void * pArg);
+
+#define DNP_ERR_SUCCESS				0x00000000
+
+#define DNP_ERR_CANT_OPEN_FILE		0x60000001
+#define DNP_ERR_EMPTY_FILE			0x60000002
+#define DNP_ERR_OUT_OF_MEMORY		0x60000003
+#define DNP_ERR_INVALID_DATA		0x60000004
+#define DNP_ERR_HRESULT				0x60000005
+#define DNP_ERR_CANT_FIND_MODULE	0x60000006

GH Injector DNP/FindModule.cpp

@@ -0,0 +1,68 @@
+#include "pch.h"
+
+#include "FindModule.h"
+
+void StdWStringToLower(std::wstring & String)
+{
+	std::transform(String.begin(), String.end(), String.begin(),
+		[](wchar_t c)
+		{
+			return std::towlower(c);
+		}
+	);
+}
+
+DWORD FindModuleW(const std::wstring & ModulePath, HINSTANCE & hOut)
+{
+	//Gotta VirtualQuery this shit because .NET files aren't linked to the PEB so normal methods like TH32 snapshots or GetModuleHandle don't work
+
+	auto ModuleNamePos = ModulePath.find_last_of('\\');
+	if (ModuleNamePos == std::wstring::npos)
+	{
+		CONSOLE_LOG("ModulePath is invalid\n");
+		
+		return ERROR_INVALID_PARAMETER;
+	}
+
+	auto ModuleName			= ModulePath.substr(ModuleNamePos + 1);
+	auto hCurrentProcess	= GetCurrentProcess();
+
+	StdWStringToLower(ModuleName);
+
+	MEMORY_BASIC_INFORMATION MBI{ 0 };
+	wchar_t NameBuffer[MAX_PATH * 2]{ 0 };
+
+	while (VirtualQuery(MBI.BaseAddress, &MBI, sizeof(MBI)))
+	{
+		if ((MBI.Type == MEM_IMAGE) && (MBI.State & MEM_COMMIT))
+		{
+			if (K32GetMappedFileNameW(hCurrentProcess, MBI.BaseAddress, NameBuffer, sizeof(NameBuffer) / sizeof(wchar_t)))
+			{
+				auto FilePath = std::wstring(NameBuffer);
+				auto FileNamePos = FilePath.find_last_of('\\');
+
+				if (FileNamePos != std::wstring::npos)
+				{
+					auto FileName = FilePath.substr(FileNamePos + 1);
+					StdWStringToLower(FileName);
+
+					if (FileName.compare(ModuleName) == 0)
+					{
+						hOut = reinterpret_cast<HINSTANCE>(MBI.BaseAddress);
+
+						return ERROR_SUCCESS;
+					}
+					else
+					{
+						CONSOLE_LOG("%ls - %ls\n", FileName.c_str(), ModuleName.c_str());
+
+					}
+				}
+			}
+		}
+
+		MBI.BaseAddress = reinterpret_cast<BYTE *>(MBI.BaseAddress) + MBI.RegionSize;
+	}
+
+	return ERROR_MOD_NOT_FOUND;
+}

GH Injector DNP/FindModule.h

@@ -0,0 +1,5 @@
+#pragma once
+
+#include "pch.h"
+
+DWORD FindModuleW(const std::wstring & ModulePath, HINSTANCE & hOut);