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 | */
|
---|
47 | DECLHIDDEN(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 |
|
---|
74 | RTDECL(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 | }
|
---|