VirtualBox

source: vbox/trunk/src/VBox/Runtime/r3/nt/RTFileSetMode-r3-nt.cpp@ 103795

Last change on this file since 103795 was 98103, checked in by vboxsync, 23 months ago

Copyright year updates by scm.

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1/* $Id: RTFileSetMode-r3-nt.cpp 98103 2023-01-17 14:15:46Z vboxsync $ */
2/** @file
3 * IPRT - RTFileSetMode, Native NT.
4 */
5
6/*
7 * Copyright (C) 2006-2023 Oracle and/or its affiliates.
8 *
9 * This file is part of VirtualBox base platform packages, as
10 * available from https://www.virtualbox.org.
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation, in version 3 of the
15 * License.
16 *
17 * This program is distributed in the hope that it will be useful, but
18 * WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, see <https://www.gnu.org/licenses>.
24 *
25 * The contents of this file may alternatively be used under the terms
26 * of the Common Development and Distribution License Version 1.0
27 * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
28 * in the VirtualBox distribution, in which case the provisions of the
29 * CDDL are applicable instead of those of the GPL.
30 *
31 * You may elect to license modified versions of this file under the
32 * terms and conditions of either the GPL or the CDDL or both.
33 *
34 * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
35 */
36
37
38/*********************************************************************************************************************************
39* Header Files *
40*********************************************************************************************************************************/
41#define LOG_GROUP RTLOGGROUP_FILE
42#include "internal-r3-nt.h"
43
44#include <iprt/file.h>
45#include <iprt/err.h>
46
47#include "internal/fs.h"
48
49
50/**
51 * Common worker for RTFileSetMode, RTPathSetMode and RTDirRelPathSetMode.
52 *
53 * @returns IPRT status code.
54 * @param hNativeFile The NT handle to the file system object.
55 * @param fMode Valid and normalized file mode mask to set.
56 */
57DECLHIDDEN(int) rtNtFileSetModeWorker(HANDLE hNativeFile, RTFMODE fMode)
58{
59 IO_STATUS_BLOCK Ios = RTNT_IO_STATUS_BLOCK_INITIALIZER;
60 FILE_BASIC_INFORMATION BasicInfo;
61 BasicInfo.CreationTime.QuadPart = 0;
62 BasicInfo.ChangeTime.QuadPart = 0;
63 BasicInfo.LastAccessTime.QuadPart = 0;
64 BasicInfo.LastWriteTime.QuadPart = 0;
65 BasicInfo.FileAttributes = (fMode & ~( RTFS_DOS_NT_ENCRYPTED
66 | RTFS_DOS_NT_COMPRESSED
67 | RTFS_DOS_NT_REPARSE_POINT
68 | RTFS_DOS_NT_SPARSE_FILE
69 | RTFS_DOS_NT_DEVICE
70 | RTFS_DOS_DIRECTORY)
71 & RTFS_DOS_MASK_NT)
72 >> RTFS_DOS_SHIFT;
73 Assert(!(BasicInfo.FileAttributes & ~0x31a7U /* FILE_ATTRIBUTE_VALID_SET_FLAGS */));
74 if (!BasicInfo.FileAttributes)
75 BasicInfo.FileAttributes |= FILE_ATTRIBUTE_NORMAL;
76
77 NTSTATUS rcNt = NtSetInformationFile(hNativeFile, &Ios, &BasicInfo, sizeof(BasicInfo), FileBasicInformation);
78 if (NT_SUCCESS(rcNt))
79 return VINF_SUCCESS;
80 return RTErrConvertFromNtStatus(rcNt);
81}
82
83
84RTDECL(int) RTFileSetMode(RTFILE hFile, RTFMODE fMode)
85{
86 HANDLE hNative = (HANDLE)RTFileToNative(hFile);
87 AssertReturn(hNative != RTNT_INVALID_HANDLE_VALUE, VERR_INVALID_HANDLE);
88 fMode = rtFsModeNormalize(fMode, NULL, 0, RTFS_TYPE_FILE);
89 AssertReturn(rtFsModeIsValidPermissions(fMode), VERR_INVALID_FMODE);
90
91 return rtNtFileSetModeWorker(hNative, fMode);
92}
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