| 1 | /* $Id: RTFileSetMode-r3-nt.cpp 76553 2019-01-01 01:45:53Z vboxsync $ */
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| 2 | /** @file
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| 3 | * IPRT - RTFileSetMode, Native NT.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2006-2019 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | *
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| 17 | * The contents of this file may alternatively be used under the terms
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| 18 | * of the Common Development and Distribution License Version 1.0
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| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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| 20 | * VirtualBox OSE distribution, in which case the provisions of the
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| 21 | * CDDL are applicable instead of those of the GPL.
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| 22 | *
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| 23 | * You may elect to license modified versions of this file under the
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| 24 | * terms and conditions of either the GPL or the CDDL or both.
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| 25 | */
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| 26 |
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| 27 |
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| 28 | /*********************************************************************************************************************************
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| 29 | * Header Files *
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| 30 | *********************************************************************************************************************************/
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| 31 | #define LOG_GROUP RTLOGGROUP_FILE
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| 32 | #include "internal-r3-nt.h"
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| 33 |
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| 34 | #include <iprt/file.h>
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| 35 | #include <iprt/err.h>
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| 36 |
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| 37 | #include "internal/fs.h"
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| 38 |
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| 39 |
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| 40 | /**
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| 41 | * Common worker for RTFileSetMode, RTPathSetMode and RTDirRelPathSetMode.
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| 42 | *
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| 43 | * @returns IPRT status code.
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| 44 | * @param hNativeFile The NT handle to the file system object.
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| 45 | * @param fMode Valid and normalized file mode mask to set.
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| 46 | */
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| 47 | DECLHIDDEN(int) rtNtFileSetModeWorker(HANDLE hNativeFile, RTFMODE fMode)
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| 48 | {
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| 49 | IO_STATUS_BLOCK Ios = RTNT_IO_STATUS_BLOCK_INITIALIZER;
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| 50 | FILE_BASIC_INFORMATION BasicInfo;
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| 51 | BasicInfo.CreationTime.QuadPart = 0;
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| 52 | BasicInfo.ChangeTime.QuadPart = 0;
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| 53 | BasicInfo.LastAccessTime.QuadPart = 0;
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| 54 | BasicInfo.LastWriteTime.QuadPart = 0;
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| 55 | BasicInfo.FileAttributes = (fMode & ~( RTFS_DOS_NT_ENCRYPTED
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| 56 | | RTFS_DOS_NT_COMPRESSED
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| 57 | | RTFS_DOS_NT_REPARSE_POINT
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| 58 | | RTFS_DOS_NT_SPARSE_FILE
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| 59 | | RTFS_DOS_NT_DEVICE
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| 60 | | RTFS_DOS_DIRECTORY)
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| 61 | & RTFS_DOS_MASK_NT)
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| 62 | >> RTFS_DOS_SHIFT;
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| 63 | Assert(!(BasicInfo.FileAttributes & ~0x31a7U /* FILE_ATTRIBUTE_VALID_SET_FLAGS */));
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| 64 | if (!BasicInfo.FileAttributes)
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| 65 | BasicInfo.FileAttributes |= FILE_ATTRIBUTE_NORMAL;
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| 66 |
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| 67 | NTSTATUS rcNt = NtSetInformationFile(hNativeFile, &Ios, &BasicInfo, sizeof(BasicInfo), FileBasicInformation);
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| 68 | if (NT_SUCCESS(rcNt))
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| 69 | return VINF_SUCCESS;
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| 70 | return RTErrConvertFromNtStatus(rcNt);
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| 71 | }
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| 72 |
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| 73 |
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| 74 | RTDECL(int) RTFileSetMode(RTFILE hFile, RTFMODE fMode)
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| 75 | {
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| 76 | HANDLE hNative = (HANDLE)RTFileToNative(hFile);
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| 77 | AssertReturn(hNative != RTNT_INVALID_HANDLE_VALUE, VERR_INVALID_HANDLE);
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| 78 | fMode = rtFsModeNormalize(fMode, NULL, 0);
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| 79 | AssertReturn(rtFsModeIsValidPermissions(fMode), VERR_INVALID_FMODE);
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| 80 |
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| 81 | return rtNtFileSetModeWorker(hNative, fMode);
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| 82 | }
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