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/* $Id: RTFileSetMode-r3-nt.cpp $ */
/** @file
* IPRT - RTFileSetMode, Native NT.
*/
/*
* Copyright (C) 2006-2019 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*/
/*********************************************************************************************************************************
* Header Files *
*********************************************************************************************************************************/
#define LOG_GROUP RTLOGGROUP_FILE
#include "internal-r3-nt.h"
#include <iprt/file.h>
#include <iprt/err.h>
#include "internal/fs.h"
/**
* Common worker for RTFileSetMode, RTPathSetMode and RTDirRelPathSetMode.
*
* @returns IPRT status code.
* @param hNativeFile The NT handle to the file system object.
* @param fMode Valid and normalized file mode mask to set.
*/
DECLHIDDEN(int) rtNtFileSetModeWorker(HANDLE hNativeFile, RTFMODE fMode)
{
IO_STATUS_BLOCK Ios = RTNT_IO_STATUS_BLOCK_INITIALIZER;
FILE_BASIC_INFORMATION BasicInfo;
BasicInfo.CreationTime.QuadPart = 0;
BasicInfo.ChangeTime.QuadPart = 0;
BasicInfo.LastAccessTime.QuadPart = 0;
BasicInfo.LastWriteTime.QuadPart = 0;
BasicInfo.FileAttributes = (fMode & ~( RTFS_DOS_NT_ENCRYPTED
| RTFS_DOS_NT_COMPRESSED
| RTFS_DOS_NT_REPARSE_POINT
| RTFS_DOS_NT_SPARSE_FILE
| RTFS_DOS_NT_DEVICE
| RTFS_DOS_DIRECTORY)
& RTFS_DOS_MASK_NT)
>> RTFS_DOS_SHIFT;
Assert(!(BasicInfo.FileAttributes & ~0x31a7U /* FILE_ATTRIBUTE_VALID_SET_FLAGS */));
if (!BasicInfo.FileAttributes)
BasicInfo.FileAttributes |= FILE_ATTRIBUTE_NORMAL;
NTSTATUS rcNt = NtSetInformationFile(hNativeFile, &Ios, &BasicInfo, sizeof(BasicInfo), FileBasicInformation);
if (NT_SUCCESS(rcNt))
return VINF_SUCCESS;
return RTErrConvertFromNtStatus(rcNt);
}
RTDECL(int) RTFileSetMode(RTFILE hFile, RTFMODE fMode)
{
HANDLE hNative = (HANDLE)RTFileToNative(hFile);
AssertReturn(hNative != RTNT_INVALID_HANDLE_VALUE, VERR_INVALID_HANDLE);
fMode = rtFsModeNormalize(fMode, NULL, 0);
AssertReturn(rtFsModeIsValidPermissions(fMode), VERR_INVALID_FMODE);
return rtNtFileSetModeWorker(hNative, fMode);
}
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