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