Source code of Windows XP (NT5)
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/*++
Copyright (c) 2001 Microsoft Corporation
Module Name:
VJEDelta.cpp
Abstract:
Broken by ACL changes to directories off the root.
Notes:
This is an app specific shim.
History:
05/31/2001 linstev Created
--*/
#include "precomp.h"
IMPLEMENT_SHIM_BEGIN(VJEDelta)
#include "ShimHookMacro.h"
APIHOOK_ENUM_BEGIN
APIHOOK_ENUM_ENTRY(OpenFile)
APIHOOK_ENUM_END
/*++
Remove write attributes on OpenFile in the case of failure.
--*/
HFILE
APIHOOK(OpenFile)(
LPCSTR lpFileName,
LPOFSTRUCT lpReOpenBuff,
UINT uStyle
)
{
HFILE hRet = ORIGINAL_API(OpenFile)(lpFileName, lpReOpenBuff, uStyle);
if ((hRet == HFILE_ERROR) && (GetLastError() == ERROR_ACCESS_DENIED)) {
//
// Remove write attributes
//
WCHAR *lpName = ToUnicode(lpFileName);
if (lpName) {
if (wcsistr(lpName, L"VJED95") && wcsistr(lpName, L".DIC")) {
//
// This is a file we care about
//
uStyle &= ~(OF_WRITE | OF_READWRITE);
LOGN(eDbgLevelError, "Removed write attributes from %S", lpName);
hRet = ORIGINAL_API(OpenFile)(lpFileName, lpReOpenBuff, uStyle);
}
free(lpName);
}
}
return hRet;
}
/*++
Register hooked functions
--*/
HOOK_BEGIN
APIHOOK_ENTRY(KERNEL32.DLL, OpenFile)
HOOK_END
IMPLEMENT_SHIM_END