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IAT Hooking for all game modules (Without Detours)

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This commit is contained in:
FunkyFr3sh 2020-09-22 07:08:14 +02:00
parent 9b2a0701e4
commit 62d1451885
5 changed files with 60 additions and 7 deletions
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27
src/hook.c
View file

@ -31,6 +31,9 @@ ENABLEWINDOWPROC real_EnableWindow = EnableWindow;
CREATEWINDOWEXAPROC real_CreateWindowExA = CreateWindowExA;
DESTROYWINDOWPROC real_DestroyWindow = DestroyWindow;
GETDEVICECAPSPROC real_GetDeviceCaps = GetDeviceCaps;
LOADLIBRARYAPROC real_LoadLibraryA = LoadLibraryA;
LOADLIBRARYWPROC real_LoadLibraryW = LoadLibraryW;
LOADLIBRARYEXAPROC real_LoadLibraryExA = LoadLibraryExA;
LOADLIBRARYEXWPROC real_LoadLibraryExW = LoadLibraryExW;
@ -104,7 +107,7 @@ void Hook_Create(char *moduleName, char *functionName, PROC newFunction, PROC *f
DetourTransactionCommit();
}
if (HookingMethod == 3)
if (HookingMethod == 3 || HookingMethod == 4)
{
WCHAR gameExePath[MAX_PATH] = { 0 };
WCHAR gameDir[MAX_PATH] = { 0 };
@ -154,7 +157,7 @@ void Hook_Revert(char *moduleName, char *functionName, PROC newFunction, PROC *f
DetourTransactionCommit();
}
if (HookingMethod == 3)
if (HookingMethod == 3 || HookingMethod == 4)
{
WCHAR gameExePath[MAX_PATH] = { 0 };
WCHAR gameDir[MAX_PATH] = { 0 };
@ -208,7 +211,7 @@ void Hook_Revert(char *moduleName, char *functionName, PROC newFunction, PROC *f
void Hook_Init()
{
if (!Hook_Active || HookingMethod == 3)
if (!Hook_Active || HookingMethod == 3 || HookingMethod == 4)
{
if (!Hook_Active && HookingMethod == 3)
{
@ -245,7 +248,15 @@ void Hook_Init()
Hook_Create("user32.dll", "EnableWindow", (PROC)fake_EnableWindow, (PROC *)&real_EnableWindow);
Hook_Create("user32.dll", "CreateWindowExA", (PROC)fake_CreateWindowExA, (PROC *)&real_CreateWindowExA);
Hook_Create("user32.dll", "DestroyWindow", (PROC)fake_DestroyWindow, (PROC *)&real_DestroyWindow);
Hook_Create("gdi.dll", "GetDeviceCaps ", (PROC)fake_GetDeviceCaps, (PROC*)&real_GetDeviceCaps);
Hook_Create("gdi.dll", "GetDeviceCaps", (PROC)fake_GetDeviceCaps, (PROC*)&real_GetDeviceCaps);
if (HookingMethod == 4)
{
Hook_Create("kernel32.dll", "LoadLibraryA", (PROC)fake_LoadLibraryA, (PROC*)&real_LoadLibraryA);
Hook_Create("kernel32.dll", "LoadLibraryW", (PROC)fake_LoadLibraryW, (PROC*)&real_LoadLibraryW);
Hook_Create("kernel32.dll", "LoadLibraryExA", (PROC)fake_LoadLibraryExA, (PROC*)&real_LoadLibraryExA);
Hook_Create("kernel32.dll", "LoadLibraryExW", (PROC)fake_LoadLibraryExW, (PROC*)&real_LoadLibraryExW);
}
}
}
@ -284,5 +295,13 @@ void Hook_Exit()
Hook_Revert("user32.dll", "CreateWindowExA", (PROC)fake_CreateWindowExA, (PROC *)&real_CreateWindowExA);
Hook_Revert("user32.dll", "DestroyWindow", (PROC)fake_DestroyWindow, (PROC *)&real_DestroyWindow);
Hook_Revert("gdi.dll", "GetDeviceCaps", (PROC)fake_GetDeviceCaps, (PROC*)&real_GetDeviceCaps);
if (HookingMethod == 4)
{
Hook_Revert("kernel32.dll", "LoadLibraryA", (PROC)fake_LoadLibraryA, (PROC*)&real_LoadLibraryA);
Hook_Revert("kernel32.dll", "LoadLibraryW", (PROC)fake_LoadLibraryW, (PROC*)&real_LoadLibraryW);
Hook_Revert("kernel32.dll", "LoadLibraryExA", (PROC)fake_LoadLibraryExA, (PROC*)&real_LoadLibraryExA);
Hook_Revert("kernel32.dll", "LoadLibraryExW", (PROC)fake_LoadLibraryExW, (PROC*)&real_LoadLibraryExW);
}
}
}

27
src/mouse.c
View file

@ -432,6 +432,33 @@ int WINAPI fake_GetDeviceCaps(HDC hdc, int index)
return real_GetDeviceCaps(hdc, index);
}
HMODULE WINAPI fake_LoadLibraryA(LPCSTR lpLibFileName)
{
HMODULE hMod = real_LoadLibraryA(lpLibFileName);
Hook_Init();
return hMod;
}
HMODULE WINAPI fake_LoadLibraryW(LPCWSTR lpLibFileName)
{
HMODULE hMod = real_LoadLibraryW(lpLibFileName);
Hook_Init();
return hMod;
}
HMODULE WINAPI fake_LoadLibraryExA(LPCSTR lpLibFileName, HANDLE hFile, DWORD dwFlags)
{
HMODULE hMod = real_LoadLibraryExA(lpLibFileName, hFile, dwFlags);
Hook_Init();
return hMod;
}
HMODULE WINAPI fake_LoadLibraryExW(LPCWSTR lpLibFileName, HANDLE hFile, DWORD dwFlags)
{
HMODULE hMod = real_LoadLibraryExW(lpLibFileName, hFile, dwFlags);

4
src/settings.c
View file

@ -49,9 +49,7 @@ void Settings_Load()
WindowRect.left = GetInt("posX", -32000);
WindowRect.top = GetInt("posY", -32000);
#ifndef _DEBUG
HookingMethod = GetInt("hook", 1);
#endif
ddraw->render.maxfps = GetInt("maxfps", 125);
@ -282,7 +280,7 @@ static void CreateSettingsIni()
"; Force CPU0 affinity, avoids crashes/freezing, *might* have a performance impact\n"
"singlecpu=true\n"
"\n"
"; Windows API Hooking, Possible values: 0 = disabled, 1 = IAT Hooking, 2 = Microsoft Detours, 3 = IAT Hooking (All Modules)\n"
"; Windows API Hooking, Possible values: 0 = disabled, 1 = IAT Hooking, 2 = Microsoft Detours, 3 = IAT+Detours Hooking (All Modules), 4 = IAT Hooking (All Modules)\n"
"; Note: Can be used to fix issues related to new features added by cnc-ddraw such as windowed mode or stretching\n"
"hook=1\n"
"\n"