mirror of
https://github.com/moonlight-stream/moonlight-qt
synced 2024-11-24 20:23:03 +00:00
232 lines
10 KiB
C++
232 lines
10 KiB
C++
#include "antihookingprotection.h"
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#include <NktHookLib.h>
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typedef HMODULE (WINAPI *LoadLibraryAFunc)(LPCSTR lpLibFileName);
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typedef HMODULE (WINAPI *LoadLibraryWFunc)(LPCWSTR lpLibFileName);
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typedef HMODULE (WINAPI *LoadLibraryExAFunc)(LPCSTR lpLibFileName, HANDLE hFile, DWORD dwFlags);
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typedef HMODULE (WINAPI *LoadLibraryExWFunc)(LPCWSTR lpLibFileName, HANDLE hFile, DWORD dwFlags);
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class AntiHookingProtection
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{
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public:
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static void enable()
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{
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#ifdef QT_DEBUG
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s_HookManager.SetEnableDebugOutput(true);
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#endif
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HINSTANCE kernel32Handle = NktHookLibHelpers::GetModuleBaseAddress(L"kernel32.dll");
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SIZE_T hookId;
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s_HookManager.Hook(&hookId, (LPVOID*)&s_RealLoadLibraryA,
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NktHookLibHelpers::GetProcedureAddress(kernel32Handle, "LoadLibraryA"),
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(LPVOID)AntiHookingProtection::LoadLibraryAHook);
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s_HookManager.Hook(&hookId, (LPVOID*)&s_RealLoadLibraryW,
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NktHookLibHelpers::GetProcedureAddress(kernel32Handle, "LoadLibraryW"),
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(LPVOID)AntiHookingProtection::LoadLibraryWHook);
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s_HookManager.Hook(&hookId, (LPVOID*)&s_RealLoadLibraryExA,
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NktHookLibHelpers::GetProcedureAddress(kernel32Handle, "LoadLibraryExA"),
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(LPVOID)AntiHookingProtection::LoadLibraryExAHook);
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s_HookManager.Hook(&hookId, (LPVOID*)&s_RealLoadLibraryExW,
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NktHookLibHelpers::GetProcedureAddress(kernel32Handle, "LoadLibraryExW"),
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(LPVOID)AntiHookingProtection::LoadLibraryExWHook);
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}
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private:
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static bool isImageBlacklistedW(LPCWSTR lpLibFileName)
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{
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LPCWSTR dllName;
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// If the library has a path prefixed, remove it
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dllName = wcsrchr(lpLibFileName, '\\');
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if (!dllName) {
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// No prefix, so use the full name
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dllName = lpLibFileName;
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}
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else {
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// Advance past the backslash
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dllName++;
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}
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// FIXME: We don't currently handle LoadLibrary calls where the
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// library name does not include a file extension and the loader
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// automatically assumes .dll.
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for (int i = 0; i < ARRAYSIZE(k_BlacklistedDlls); i++) {
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if (_wcsicmp(dllName, k_BlacklistedDlls[i]) == 0) {
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return true;
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}
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}
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return false;
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}
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static bool isImageBlacklistedA(LPCSTR lpLibFileName)
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{
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int uniChars = MultiByteToWideChar(CP_THREAD_ACP, 0, lpLibFileName, -1, nullptr, 0);
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if (uniChars > 0) {
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PWCHAR wideBuffer = new WCHAR[uniChars];
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uniChars = MultiByteToWideChar(CP_THREAD_ACP, 0,
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lpLibFileName, -1,
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wideBuffer, uniChars * sizeof(WCHAR));
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if (uniChars > 0) {
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bool ret = isImageBlacklistedW(wideBuffer);
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delete[] wideBuffer;
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return ret;
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}
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else {
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delete[] wideBuffer;
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}
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}
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// Error path
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return false;
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}
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static HMODULE WINAPI LoadLibraryAHook(LPCSTR lpLibFileName)
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{
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if (lpLibFileName && isImageBlacklistedA(lpLibFileName)) {
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SetLastError(ERROR_ACCESS_DISABLED_BY_POLICY);
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return nullptr;
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}
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return s_RealLoadLibraryA(lpLibFileName);
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}
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static HMODULE WINAPI LoadLibraryWHook(LPCWSTR lpLibFileName)
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{
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if (lpLibFileName && isImageBlacklistedW(lpLibFileName)) {
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SetLastError(ERROR_ACCESS_DISABLED_BY_POLICY);
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return nullptr;
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}
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return s_RealLoadLibraryW(lpLibFileName);
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}
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static HMODULE WINAPI LoadLibraryExAHook(LPCSTR lpLibFileName, HANDLE hFile, DWORD dwFlags)
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{
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if (lpLibFileName && isImageBlacklistedA(lpLibFileName)) {
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SetLastError(ERROR_ACCESS_DISABLED_BY_POLICY);
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return nullptr;
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}
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return s_RealLoadLibraryExA(lpLibFileName, hFile, dwFlags);
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}
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static HMODULE WINAPI LoadLibraryExWHook(LPCWSTR lpLibFileName, HANDLE hFile, DWORD dwFlags)
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{
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if (lpLibFileName && isImageBlacklistedW(lpLibFileName)) {
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SetLastError(ERROR_ACCESS_DISABLED_BY_POLICY);
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return nullptr;
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}
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return s_RealLoadLibraryExW(lpLibFileName, hFile, dwFlags);
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}
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static CNktHookLib s_HookManager;
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static LoadLibraryAFunc s_RealLoadLibraryA;
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static LoadLibraryWFunc s_RealLoadLibraryW;
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static LoadLibraryExAFunc s_RealLoadLibraryExA;
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static LoadLibraryExWFunc s_RealLoadLibraryExW;
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static constexpr LPCWSTR k_BlacklistedDlls[] = {
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// These A-Volute DLLs shipped with various audio driver packages improperly handle
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// D3D9 exclusive fullscreen in a way that causes CreateDeviceEx() to deadlock.
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// https://github.com/moonlight-stream/moonlight-qt/issues/102
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L"NahimicOSD.dll", // ASUS Sonic Radar 3
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L"SSAudioOSD.dll", // SteelSeries headsets
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L"SS2OSD.dll", // ASUS Sonic Studio 2
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L"Nahimic2OSD.dll",
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L"NahimicMSIOSD.dll",
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L"nhAsusPhoebusOSD.dll" // ASUS Phoebus
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// This DLL has been seen in several crash reports. Some Googling
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// suggests it's highly unstable and causes issues in many games.
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L"EZFRD32.dll",
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L"EZFRD64.dll",
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// These are the newer dList DLLs for Optimus hybrid graphics DDI.
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// https://docs.microsoft.com/en-us/windows-hardware/drivers/display/hybrid-system-ddi
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//
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// We forcefully block them from loading because Optimus has a bug that
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// deadlocks DXVA2 when we present with D3DPRESENT_DONOTWAIT. This will prevent
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// Optimus from ever using the dGPU even if the user has requested it.
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// https://github.com/moonlight-stream/moonlight-qt/issues/240
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// https://github.com/moonlight-stream/moonlight-qt/issues/235
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L"nvdlist.dll",
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L"nvdlistx.dll",
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// These are the older dList/AppInit DLLs for Optimus hybrid graphics DDI.
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// https://docs.microsoft.com/en-us/windows-hardware/drivers/display/hybrid-system-ddi
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//
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// These seem to cause a crash in PresentEx() in full-screen exclusive mode.
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// This block will prevent Optimus from ever using the dGPU even if the user has requested it.
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// https://github.com/moonlight-stream/moonlight-qt/issues/386
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//
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// d3d9!CSwapChain::BltToHybridPrimary+0x200:
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// 00007ffa`23f37e58 488b01 mov rax,qword ptr [rcx] ds:00000000`00000038=????????????????
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// 00 0000004e`496ff4e0 00007ffa`23f39e2c d3d9!CSwapChain::BltToHybridPrimary+0x200
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// 01 0000004e`496ff880 00007ffa`23ee39ce d3d9!CSwapChain::FlipToSurface+0x15c
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// 02 0000004e`496ff900 00007ffa`23f4dd75 d3d9!CSwapChain::PresentMain+0x3e13e
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// 03 0000004e`496ffab0 00007ffa`23f4dccd d3d9!CBaseDevice::PresentMain+0x9d
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// 04 0000004e`496ffb00 00007ff7`8e31016f d3d9!CBaseDevice::PresentEx+0xbd
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// 05 0000004e`496ffb50 00007ff7`8e30df1e Moonlight!DXVA2Renderer::renderFrame+0x61f [C:\moonlight-qt\app\streaming\video\ffmpeg-renderers\dxva2.cpp @ 1035]
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// 06 0000004e`496ffd50 00007ff7`8e30e46a Moonlight!Pacer::renderFrame+0x3e [C:\moonlight-qt\app\streaming\video\ffmpeg-renderers\pacer\pacer.cpp @ 265]
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// 07 (Inline Function) --------`-------- Moonlight!Pacer::renderLastFrameAndUnlock+0x197 [C:\moonlight-qt\app\streaming\video\ffmpeg-renderers\pacer\pacer.cpp @ 156]
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// 08 0000004e`496ffda0 00007ffa`14476978 Moonlight!Pacer::renderThread+0x1ca [C:\moonlight-qt\app\streaming\video\ffmpeg-renderers\pacer\pacer.cpp @ 88]
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// 09 0000004e`496ffde0 00007ffa`14476ee2 SDL2!SDL_RunThread+0x38 [C:\Users\camer\SDL\src\thread\SDL_thread.c @ 276]
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// 0a 0000004e`496ffe10 00007ffa`2aae0e82 SDL2!RunThread+0x12 [C:\Users\camer\SDL\src\thread\windows\SDL_systhread.c @ 83]
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// 0b 0000004e`496ffe40 00007ffa`2d627bd4 ucrtbase!thread_start<unsigned int (__cdecl*)(void *),1>+0x42
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// 0c 0000004e`496ffe70 00007ffa`2da4ce51 kernel32!BaseThreadInitThunk+0x14
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// 0d 0000004e`496ffea0 00000000`00000000 ntdll!RtlUserThreadStart+0x21
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//
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L"nvinit.dll",
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L"nvinitx.dll",
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// In some unknown circumstances, RTSS tries to hook in the middle of an instruction, leaving garbage
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// code inside d3d9.dll that causes a crash when executed:
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//
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// 0:000> u
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// d3d9!D3D9GetCurrentOwnershipMode+0x5d:
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// 00007ff8`95b95861 9b wait
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// 00007ff8`95b95862 a7 cmps dword ptr [rsi],dword ptr [rdi] <--- crash happens here
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// 00007ff8`95b95863 ff ???
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// 00007ff8`95b95864 bfe8ca8a00 mov edi,8ACAE8h
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// 00007ff8`95b95869 00eb add bl,ch
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// 00007ff8`95b9586b f1 ???
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// 00007ff8`95b9586c b808000000 mov eax,8
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// 00007ff8`95b95871 ebe6 jmp d3d9!D3D9GetCurrentOwnershipMode+0x55 (00007ff8`95b95859)
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//
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// Disassembling starting at the exact address of the attempted hook yields the intended jmp instruction
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//
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// 0:000> u d3d9!D3D9GetCurrentOwnershipMode+0x5c:
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// 00007ff8`95b95860 e99ba7ffbf jmp 00007ff8`55b90000
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//
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// Since the RTSS OSD doesn't even work with DXVA2, we'll just block the hooks entirely.
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L"RTSSHooks.dll",
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L"RTSSHooks64.dll",
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};
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};
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CNktHookLib AntiHookingProtection::s_HookManager;
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LoadLibraryAFunc AntiHookingProtection::s_RealLoadLibraryA;
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LoadLibraryWFunc AntiHookingProtection::s_RealLoadLibraryW;
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LoadLibraryExAFunc AntiHookingProtection::s_RealLoadLibraryExA;
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LoadLibraryExWFunc AntiHookingProtection::s_RealLoadLibraryExW;
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AH_EXPORT void AntiHookingDummyImport() {}
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extern "C"
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BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID)
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{
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switch (fdwReason)
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{
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case DLL_PROCESS_ATTACH:
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AntiHookingProtection::enable();
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DisableThreadLibraryCalls(hinstDLL);
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break;
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}
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return TRUE;
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};
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