72 lines
1.3 KiB
C++
72 lines
1.3 KiB
C++
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/*++
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Copyright (c) 2001 Microsoft Corporation
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Module Name:
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StoneAge.cpp
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Abstract:
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The app is trying to create a window with NULL WndProc, and later it seems does
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not really use it , and just launch the installshield setup program and exit.
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Fix this by providing a dummy WndProc.
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BUGBUG: Need to add to EmulateUSER when possible.
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Notes:
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This is an app specific shim.
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History:
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06/09/2001 xiaoz Created
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--*/
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#include "precomp.h"
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IMPLEMENT_SHIM_BEGIN(StoneAge)
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#include "ShimHookMacro.h"
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APIHOOK_ENUM_BEGIN
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APIHOOK_ENUM_ENTRY(RegisterClassExA)
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APIHOOK_ENUM_END
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/*++
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Set the WndProc to DefWndProc if it's NULL.
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--*/
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ATOM
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APIHOOK(RegisterClassExA)(
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CONST WNDCLASSEXA *lpwcx // class data
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)
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{
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if (!(lpwcx->lpfnWndProc)) {
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WNDCLASSEXA wcNewWndClassEx = *lpwcx;
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LOGN(eDbgLevelError, "[RegisterClassExA] Null WndProc specified - correcting.");
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wcNewWndClassEx.lpfnWndProc = DefWindowProcA;
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return ORIGINAL_API(RegisterClassExA)(&wcNewWndClassEx);
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}
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else
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{
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return ORIGINAL_API(RegisterClassExA)(lpwcx);
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}
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}
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/*++
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Register hooked functions
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--*/
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HOOK_BEGIN
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APIHOOK_ENTRY(USER32.DLL, RegisterClassExA)
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HOOK_END
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IMPLEMENT_SHIM_END
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