mirror of
https://github.com/UzixLS/KernelEx.git
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51 lines
1.5 KiB
C
Executable File
51 lines
1.5 KiB
C
Executable File
/*
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* KernelEx
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* Copyright (C) 2008, Xeno86
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* Copyright (C) 2008, Tihiy
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*
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* This file is part of KernelEx source code.
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*
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* KernelEx is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published
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* by the Free Software Foundation; version 2 of the License.
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*
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* KernelEx is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Make; see the file COPYING. If not, write to
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* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*/
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#include <windows.h>
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__declspec(naked)
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/* MAKE_EXPORT CallWindowProcA_fix=CallWindowProcA */
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LRESULT WINAPI CallWindowProcA_fix(WNDPROC lpPrevWndFunc, HWND hWnd,
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UINT Msg, WPARAM wParam, LPARAM lParam)
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{
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static const char unicows_str[] = "unicows.dll";
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static const char callwindowproca_str[] = "CallWindowProcA";
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/* We shouldn't write it in C because some weird programs depend
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* on CallWindowProc calling function directly!
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*/
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__asm {
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mov eax, [esp+4] ;lpPrevWndFunc
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and eax, 0x7FFFFFF0
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cmp eax, 0x7FFFFFF0
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je UNI
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jmp dword ptr [CallWindowProcA]
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UNI:
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push offset unicows_str
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call dword ptr [GetModuleHandleA]
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push offset callwindowproca_str
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push eax
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call dword ptr [GetProcAddress]
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jmp eax
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}
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}
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