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Diffstat (limited to '')
-rw-r--r-- | src/VBox/Runtime/r3/nt/RTFileSetMode-r3-nt.cpp | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/src/VBox/Runtime/r3/nt/RTFileSetMode-r3-nt.cpp b/src/VBox/Runtime/r3/nt/RTFileSetMode-r3-nt.cpp new file mode 100644 index 00000000..08ce4738 --- /dev/null +++ b/src/VBox/Runtime/r3/nt/RTFileSetMode-r3-nt.cpp @@ -0,0 +1,82 @@ +/* $Id: RTFileSetMode-r3-nt.cpp $ */ +/** @file + * IPRT - RTFileSetMode, Native NT. + */ + +/* + * Copyright (C) 2006-2019 Oracle Corporation + * + * This file is part of VirtualBox Open Source Edition (OSE), as + * available from http://www.virtualbox.org. This file is free software; + * you can redistribute it and/or modify it under the terms of the GNU + * General Public License (GPL) as published by the Free Software + * Foundation, in version 2 as it comes in the "COPYING" file of the + * VirtualBox OSE distribution. VirtualBox OSE is distributed in the + * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. + * + * The contents of this file may alternatively be used under the terms + * of the Common Development and Distribution License Version 1.0 + * (CDDL) only, as it comes in the "COPYING.CDDL" file of the + * VirtualBox OSE distribution, in which case the provisions of the + * CDDL are applicable instead of those of the GPL. + * + * You may elect to license modified versions of this file under the + * terms and conditions of either the GPL or the CDDL or both. + */ + + +/********************************************************************************************************************************* +* Header Files * +*********************************************************************************************************************************/ +#define LOG_GROUP RTLOGGROUP_FILE +#include "internal-r3-nt.h" + +#include <iprt/file.h> +#include <iprt/err.h> + +#include "internal/fs.h" + + +/** + * Common worker for RTFileSetMode, RTPathSetMode and RTDirRelPathSetMode. + * + * @returns IPRT status code. + * @param hNativeFile The NT handle to the file system object. + * @param fMode Valid and normalized file mode mask to set. + */ +DECLHIDDEN(int) rtNtFileSetModeWorker(HANDLE hNativeFile, RTFMODE fMode) +{ + IO_STATUS_BLOCK Ios = RTNT_IO_STATUS_BLOCK_INITIALIZER; + FILE_BASIC_INFORMATION BasicInfo; + BasicInfo.CreationTime.QuadPart = 0; + BasicInfo.ChangeTime.QuadPart = 0; + BasicInfo.LastAccessTime.QuadPart = 0; + BasicInfo.LastWriteTime.QuadPart = 0; + BasicInfo.FileAttributes = (fMode & ~( RTFS_DOS_NT_ENCRYPTED + | RTFS_DOS_NT_COMPRESSED + | RTFS_DOS_NT_REPARSE_POINT + | RTFS_DOS_NT_SPARSE_FILE + | RTFS_DOS_NT_DEVICE + | RTFS_DOS_DIRECTORY) + & RTFS_DOS_MASK_NT) + >> RTFS_DOS_SHIFT; + Assert(!(BasicInfo.FileAttributes & ~0x31a7U /* FILE_ATTRIBUTE_VALID_SET_FLAGS */)); + if (!BasicInfo.FileAttributes) + BasicInfo.FileAttributes |= FILE_ATTRIBUTE_NORMAL; + + NTSTATUS rcNt = NtSetInformationFile(hNativeFile, &Ios, &BasicInfo, sizeof(BasicInfo), FileBasicInformation); + if (NT_SUCCESS(rcNt)) + return VINF_SUCCESS; + return RTErrConvertFromNtStatus(rcNt); +} + + +RTDECL(int) RTFileSetMode(RTFILE hFile, RTFMODE fMode) +{ + HANDLE hNative = (HANDLE)RTFileToNative(hFile); + AssertReturn(hNative != RTNT_INVALID_HANDLE_VALUE, VERR_INVALID_HANDLE); + fMode = rtFsModeNormalize(fMode, NULL, 0); + AssertReturn(rtFsModeIsValidPermissions(fMode), VERR_INVALID_FMODE); + + return rtNtFileSetModeWorker(hNative, fMode); +} |