VirtualBox

source: vbox/trunk/src/VBox/Runtime/r3/nt/RTFileSetMode-r3-nt.cpp@ 91575

Last change on this file since 91575 was 82968, checked in by vboxsync, 5 years ago

Copyright year updates by scm.

  • Property svn:eol-style set to native
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File size: 3.5 KB
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1/* $Id: RTFileSetMode-r3-nt.cpp 82968 2020-02-04 10:35:17Z vboxsync $ */
2/** @file
3 * IPRT - RTFileSetMode, Native NT.
4 */
5
6/*
7 * Copyright (C) 2006-2020 Oracle Corporation
8 *
9 * This file is part of VirtualBox Open Source Edition (OSE), as
10 * available from http://www.virtualbox.org. This file is free software;
11 * you can redistribute it and/or modify it under the terms of the GNU
12 * General Public License (GPL) as published by the Free Software
13 * Foundation, in version 2 as it comes in the "COPYING" file of the
14 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16 *
17 * The contents of this file may alternatively be used under the terms
18 * of the Common Development and Distribution License Version 1.0
19 * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
20 * VirtualBox OSE distribution, in which case the provisions of the
21 * CDDL are applicable instead of those of the GPL.
22 *
23 * You may elect to license modified versions of this file under the
24 * terms and conditions of either the GPL or the CDDL or both.
25 */
26
27
28/*********************************************************************************************************************************
29* Header Files *
30*********************************************************************************************************************************/
31#define LOG_GROUP RTLOGGROUP_FILE
32#include "internal-r3-nt.h"
33
34#include <iprt/file.h>
35#include <iprt/err.h>
36
37#include "internal/fs.h"
38
39
40/**
41 * Common worker for RTFileSetMode, RTPathSetMode and RTDirRelPathSetMode.
42 *
43 * @returns IPRT status code.
44 * @param hNativeFile The NT handle to the file system object.
45 * @param fMode Valid and normalized file mode mask to set.
46 */
47DECLHIDDEN(int) rtNtFileSetModeWorker(HANDLE hNativeFile, RTFMODE fMode)
48{
49 IO_STATUS_BLOCK Ios = RTNT_IO_STATUS_BLOCK_INITIALIZER;
50 FILE_BASIC_INFORMATION BasicInfo;
51 BasicInfo.CreationTime.QuadPart = 0;
52 BasicInfo.ChangeTime.QuadPart = 0;
53 BasicInfo.LastAccessTime.QuadPart = 0;
54 BasicInfo.LastWriteTime.QuadPart = 0;
55 BasicInfo.FileAttributes = (fMode & ~( RTFS_DOS_NT_ENCRYPTED
56 | RTFS_DOS_NT_COMPRESSED
57 | RTFS_DOS_NT_REPARSE_POINT
58 | RTFS_DOS_NT_SPARSE_FILE
59 | RTFS_DOS_NT_DEVICE
60 | RTFS_DOS_DIRECTORY)
61 & RTFS_DOS_MASK_NT)
62 >> RTFS_DOS_SHIFT;
63 Assert(!(BasicInfo.FileAttributes & ~0x31a7U /* FILE_ATTRIBUTE_VALID_SET_FLAGS */));
64 if (!BasicInfo.FileAttributes)
65 BasicInfo.FileAttributes |= FILE_ATTRIBUTE_NORMAL;
66
67 NTSTATUS rcNt = NtSetInformationFile(hNativeFile, &Ios, &BasicInfo, sizeof(BasicInfo), FileBasicInformation);
68 if (NT_SUCCESS(rcNt))
69 return VINF_SUCCESS;
70 return RTErrConvertFromNtStatus(rcNt);
71}
72
73
74RTDECL(int) RTFileSetMode(RTFILE hFile, RTFMODE fMode)
75{
76 HANDLE hNative = (HANDLE)RTFileToNative(hFile);
77 AssertReturn(hNative != RTNT_INVALID_HANDLE_VALUE, VERR_INVALID_HANDLE);
78 fMode = rtFsModeNormalize(fMode, NULL, 0, RTFS_TYPE_FILE);
79 AssertReturn(rtFsModeIsValidPermissions(fMode), VERR_INVALID_FMODE);
80
81 return rtNtFileSetModeWorker(hNative, fMode);
82}
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