183 lines
6.2 KiB
C++
183 lines
6.2 KiB
C++
/******************************************************************************
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Copyright (c) 1999 Microsoft Corporation
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Module Name:
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WindowDetours.cpp
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Abstract:
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This file contains the trampolines for the detour of System functions.
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Revision History:
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Davide Massarenti (dmassare) 10/31/99
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created
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******************************************************************************/
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#include "stdafx.h"
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////////////////////////////////////////////////////////////////////////////////////////
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typedef std::map<HWND, DWORD> WindowsMap;
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typedef WindowsMap::iterator WindowsIter;
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static WindowsMap s_mapWindows;
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////////////////////////////////////////////////////////////////////////////////////////
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DETOUR_TRAMPOLINE( HWND WINAPI Trampoline_CreateWindowExA( DWORD ,
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LPCSTR ,
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LPCSTR ,
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DWORD ,
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int ,
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int ,
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int ,
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int ,
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HWND ,
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HMENU ,
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HANDLE ,
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LPVOID ), CreateWindowExA );
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HWND WINAPI Detour_CreateWindowExA( DWORD dwExStyle ,
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LPCSTR lpClassName , // pointer to registered class name
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LPCSTR lpWindowName, // pointer to window name
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DWORD dwStyle , // window style
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int x , // horizontal position of window
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int y , // vertical position of window
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int nWidth , // window width
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int nHeight , // window height
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HWND hWndParent , // handle to parent or owner window
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HMENU hMenu , // menu handle or child identifier
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HANDLE hInstance , // handle to application instance
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LPVOID lpParam ) // window-creation data
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{
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HWND hwnd;
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hwnd = Trampoline_CreateWindowExA( dwExStyle ,
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lpClassName ,
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lpWindowName,
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dwStyle ,
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x ,
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y ,
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nWidth ,
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nHeight ,
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hWndParent ,
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hMenu ,
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hInstance ,
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lpParam );
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DebugLog( "%%%% CreateWindowExA %08lx : '%s'\n", hwnd, lpWindowName ? lpWindowName : "" );
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if(hwnd)
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{
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s_mapWindows[hwnd] = ::GetCurrentThreadId();
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}
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return hwnd;
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}
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////////////////////////////////////////////////////////////////////////////////////////
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DETOUR_TRAMPOLINE( HWND WINAPI Trampoline_CreateWindowExW( DWORD ,
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LPCWSTR ,
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LPCWSTR ,
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DWORD ,
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int ,
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int ,
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int ,
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int ,
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HWND ,
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HMENU ,
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HANDLE ,
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LPVOID ), CreateWindowExW );
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HWND WINAPI Detour_CreateWindowExW( DWORD dwExStyle ,
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LPCWSTR lpClassName , // pointer to registered class name
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LPCWSTR lpWindowName, // pointer to window name
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DWORD dwStyle , // window style
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int x , // horizontal position of window
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int y , // vertical position of window
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int nWidth , // window width
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int nHeight , // window height
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HWND hWndParent , // handle to parent or owner window
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HMENU hMenu , // menu handle or child identifier
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HANDLE hInstance , // handle to application instance
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LPVOID lpParam ) // window-creation data
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{
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HWND hwnd;
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hwnd = Trampoline_CreateWindowExW( dwExStyle ,
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lpClassName ,
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lpWindowName,
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dwStyle ,
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x ,
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y ,
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nWidth ,
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nHeight ,
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hWndParent ,
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hMenu ,
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hInstance ,
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lpParam );
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DebugLog( L"%%%% CreateWindowExW %08lx : '%s'\n", hwnd, lpWindowName ? lpWindowName : L"" );
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if(hwnd)
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{
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s_mapWindows[hwnd] = ::GetCurrentThreadId();
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}
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return hwnd;
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}
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////////////////////////////////////////////////////////////////////////////////
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DETOUR_TRAMPOLINE( BOOL WINAPI Trampoline_DestroyWindow( HWND ), DestroyWindow );
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BOOL WINAPI Detour_DestroyWindow( HWND hWnd ) // handle to window to destroy
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{
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BOOL res;
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WindowsIter it;
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DebugLog( "%%%% DestroyWindow %08lx\n", hWnd );
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it = s_mapWindows.find( hWnd );
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if(it != s_mapWindows.end())
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{
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if(it->second != ::GetCurrentThreadId())
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{
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// Window destroyed from the wrong thread!!
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DebugBreak();
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}
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s_mapWindows.erase( it );
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}
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else
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{
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// Window already destroyed!!
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DebugBreak();
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}
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res = Trampoline_DestroyWindow( hWnd );
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return res;
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}
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////////////////////////////////////////////////////////////////////////////////
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void WindowDetours_Setup()
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{
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DetourFunctionWithTrampoline( (PBYTE)Trampoline_CreateWindowExA, (PBYTE)Detour_CreateWindowExA );
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DetourFunctionWithTrampoline( (PBYTE)Trampoline_CreateWindowExW, (PBYTE)Detour_CreateWindowExW );
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DetourFunctionWithTrampoline( (PBYTE)Trampoline_DestroyWindow , (PBYTE)Detour_DestroyWindow );
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}
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void WindowDetours_Remove()
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{
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DetourRemoveWithTrampoline( (PBYTE)Trampoline_CreateWindowExA, (PBYTE)Detour_CreateWindowExA );
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DetourRemoveWithTrampoline( (PBYTE)Trampoline_CreateWindowExW, (PBYTE)Detour_CreateWindowExW );
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DetourRemoveWithTrampoline( (PBYTE)Trampoline_DestroyWindow , (PBYTE)Detour_DestroyWindow );
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}
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