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