82 lines
1.4 KiB
C++
82 lines
1.4 KiB
C++
|
/*++
|
||
|
|
|
||
|
|
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
|
||
|
|
|