From 242c40a19763590871853ef2d5a699b1ad8c7ccf Mon Sep 17 00:00:00 2001
From: FunkyFr3sh <cc.red.alert.1@googlemail.com>
Date: Sun, 6 Jun 2021 19:03:38 +0200
Subject: [PATCH] hook SetWindowsHookExA
---
inc/hook.h | 2 ++
inc/winapi_hooks.h | 1 +
src/hook.c | 3 +++
src/winapi_hooks.c | 10 ++++++++++
4 files changed, 16 insertions(+)
diff --git a/inc/hook.h b/inc/hook.h
index b561d93..1426e38 100644
--- a/inc/hook.h
+++ b/inc/hook.h
@@ -30,6 +30,7 @@ typedef BOOL (WINAPI* ENABLEWINDOWPROC)(HWND, BOOL);
typedef HWND (WINAPI* CREATEWINDOWEXAPROC)(DWORD, LPCSTR, LPCSTR, DWORD, int, int, int, int, HWND, HMENU, HINSTANCE, LPVOID);
typedef BOOL (WINAPI* DESTROYWINDOWPROC)(HWND);
typedef int (WINAPI* MAPWINDOWPOINTSPROC)(HWND, HWND, LPPOINT, UINT);
+typedef HHOOK (WINAPI* SETWINDOWSHOOKEXAPROC)(int, HOOKPROC, HINSTANCE, DWORD);
typedef int (WINAPI* GETDEVICECAPSPROC)(HDC, int);
typedef HMODULE (WINAPI* LOADLIBRARYAPROC)(LPCSTR);
typedef HMODULE (WINAPI* LOADLIBRARYWPROC)(LPCWSTR);
@@ -58,6 +59,7 @@ extern ENABLEWINDOWPROC real_EnableWindow;
extern CREATEWINDOWEXAPROC real_CreateWindowExA;
extern DESTROYWINDOWPROC real_DestroyWindow;
extern MAPWINDOWPOINTSPROC real_MapWindowPoints;
+extern SETWINDOWSHOOKEXAPROC real_SetWindowsHookExA;
extern GETDEVICECAPSPROC real_GetDeviceCaps;
extern LOADLIBRARYAPROC real_LoadLibraryA;
extern LOADLIBRARYWPROC real_LoadLibraryW;
diff --git a/inc/winapi_hooks.h b/inc/winapi_hooks.h
index 7139b42..b8b1434 100644
--- a/inc/winapi_hooks.h
+++ b/inc/winapi_hooks.h
@@ -26,6 +26,7 @@ LONG WINAPI fake_GetWindowLongA(HWND hWnd, int nIndex);
BOOL WINAPI fake_EnableWindow(HWND hWnd, BOOL bEnable);
BOOL WINAPI fake_DestroyWindow(HWND hWnd);
int WINAPI fake_MapWindowPoints(HWND hWndFrom, HWND hWndTo, LPPOINT lpPoints, UINT cPoints);
+HHOOK WINAPI fake_SetWindowsHookExA(int idHook, HOOKPROC lpfn, HINSTANCE hmod, DWORD dwThreadId);
int WINAPI fake_GetDeviceCaps(HDC hdc, int index);
HMODULE WINAPI fake_LoadLibraryA(LPCSTR lpLibFileName);
HMODULE WINAPI fake_LoadLibraryW(LPCWSTR lpLibFileName);
diff --git a/src/hook.c b/src/hook.c
index 8a29f08..fdd8c41 100644
--- a/src/hook.c
+++ b/src/hook.c
@@ -38,6 +38,7 @@ ENABLEWINDOWPROC real_EnableWindow = EnableWindow;
CREATEWINDOWEXAPROC real_CreateWindowExA = CreateWindowExA;
DESTROYWINDOWPROC real_DestroyWindow = DestroyWindow;
MAPWINDOWPOINTSPROC real_MapWindowPoints = MapWindowPoints;
+SETWINDOWSHOOKEXAPROC real_SetWindowsHookExA = SetWindowsHookExA;
GETDEVICECAPSPROC real_GetDeviceCaps = GetDeviceCaps;
LOADLIBRARYAPROC real_LoadLibraryA = LoadLibraryA;
LOADLIBRARYWPROC real_LoadLibraryW = LoadLibraryW;
@@ -439,6 +440,7 @@ void hook_early_init()
hook_patch_iat(GetModuleHandle(NULL), FALSE, "dinput.dll", "DirectInputCreateW", (PROC)fake_DirectInputCreateW);
hook_patch_iat(GetModuleHandle(NULL), FALSE, "dinput.dll", "DirectInputCreateEx", (PROC)fake_DirectInputCreateEx);
hook_patch_iat(GetModuleHandle(NULL), FALSE, "dinput8.dll", "DirectInput8Create", (PROC)fake_DirectInput8Create);
+ hook_patch_iat(GetModuleHandle("AcGenral"), FALSE, "user32.dll", "SetWindowsHookExA", (PROC)fake_SetWindowsHookExA);
}
void hook_exit()
@@ -491,4 +493,5 @@ void hook_exit()
hook_patch_iat(GetModuleHandle(NULL), TRUE, "dinput.dll", "DirectInputCreateW", (PROC)fake_DirectInputCreateW);
hook_patch_iat(GetModuleHandle(NULL), TRUE, "dinput.dll", "DirectInputCreateEx", (PROC)fake_DirectInputCreateEx);
hook_patch_iat(GetModuleHandle(NULL), TRUE, "dinput8.dll", "DirectInput8Create", (PROC)fake_DirectInput8Create);
+ hook_patch_iat(GetModuleHandle("AcGenral"), TRUE, "user32.dll", "SetWindowsHookExA", (PROC)fake_SetWindowsHookExA);
}
diff --git a/src/winapi_hooks.c b/src/winapi_hooks.c
index 3681a5e..19adea2 100644
--- a/src/winapi_hooks.c
+++ b/src/winapi_hooks.c
@@ -364,6 +364,16 @@ int WINAPI fake_MapWindowPoints(HWND hWndFrom, HWND hWndTo, LPPOINT lpPoints, UI
return real_MapWindowPoints(hWndFrom, hWndTo, lpPoints, cPoints);
}
+HHOOK WINAPI fake_SetWindowsHookExA(int idHook, HOOKPROC lpfn, HINSTANCE hmod, DWORD dwThreadId)
+{
+ if (idHook == WH_KEYBOARD_LL && hmod && GetModuleHandle("AcGenral") == hmod)
+ {
+ return NULL;
+ }
+
+ return real_SetWindowsHookExA(idHook, lpfn, hmod, dwThreadId);
+}
+
int WINAPI fake_GetDeviceCaps(HDC hdc, int index)
{
if (g_ddraw &&