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376 lines
8.9 KiB
C
376 lines
8.9 KiB
C
/**
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* @file ptfs.h
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*
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* @copyright 2015-2025 Bill Zissimopoulos
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*/
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/*
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* This file is part of WinFsp.
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*
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* You can redistribute it and/or modify it under the terms of the GNU
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* General Public License version 3 as published by the Free Software
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* Foundation.
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*
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* Licensees holding a valid commercial license may use this software
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* in accordance with the commercial license agreement provided in
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* conjunction with the software. The terms and conditions of any such
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* commercial license agreement shall govern, supersede, and render
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* ineffective any application of the GPLv3 license to this software,
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* notwithstanding of any reference thereto in the software or
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* associated repository.
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*/
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#ifndef PTFS_H_INCLUDED
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#define PTFS_H_INCLUDED
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#include <winfsp/winfsp.h>
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#include <strsafe.h>
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#define PROGNAME "ptfs"
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#define info(format, ...) FspServiceLog(EVENTLOG_INFORMATION_TYPE, format, __VA_ARGS__)
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#define warn(format, ...) FspServiceLog(EVENTLOG_WARNING_TYPE, format, __VA_ARGS__)
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#define fail(format, ...) FspServiceLog(EVENTLOG_ERROR_TYPE, format, __VA_ARGS__)
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/*
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* PTFS
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*/
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enum
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{
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PtfsReparsePoints = 0x00000010,
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PtfsNamedStreams = 0x00000040,
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PtfsExtendedAttributes = 0x00000100,
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PtfsWslFeatures = 0x04000000,
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PtfsFlushAndPurgeOnCleanup = 0x00004000,
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PtfsSetAllocationSizeOnCleanup = 0x00010000, // reuse UmFileContextIsUserContext2
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PtfsAttributesMask =
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PtfsReparsePoints |
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PtfsNamedStreams |
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PtfsExtendedAttributes |
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PtfsWslFeatures |
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PtfsFlushAndPurgeOnCleanup |
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PtfsSetAllocationSizeOnCleanup,
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};
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typedef struct
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{
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FSP_FILE_SYSTEM *FileSystem;
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BOOLEAN HasSecurityPrivilege;
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HANDLE RootHandle;
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ULONG RootPrefixLength;
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ULONG FsAttributeMask;
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ULONG FsAttributes;
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UINT64 AllocationUnit;
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} PTFS;
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NTSTATUS PtfsCreate(
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PWSTR RootPath,
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ULONG FileInfoTimeout,
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ULONG FsAttributeMask,
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PWSTR VolumePrefix,
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PWSTR MountPoint,
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UINT32 DebugFlags,
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PTFS **PPtfs);
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VOID PtfsDelete(PTFS *Ptfs);
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/*
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* Lower file system
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*/
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NTSTATUS LfsCreateFile(
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PHANDLE PHandle,
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ACCESS_MASK DesiredAccess,
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HANDLE RootHandle,
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PWSTR FileName,
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PSECURITY_DESCRIPTOR SecurityDescriptor,
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PLARGE_INTEGER AllocationSize,
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ULONG FileAttributes,
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ULONG CreateDisposition,
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ULONG CreateOptions,
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PVOID EaBuffer,
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ULONG EaLength);
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NTSTATUS LfsOpenFile(
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PHANDLE PHandle,
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ACCESS_MASK DesiredAccess,
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HANDLE RootHandle,
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PWSTR FileName,
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ULONG OpenOptions);
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NTSTATUS LfsGetFileInfo(
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HANDLE Handle,
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ULONG RootPrefixLength,
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FSP_FSCTL_FILE_INFO *FileInfo);
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NTSTATUS LfsReadFile(
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HANDLE Handle,
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PVOID Buffer,
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UINT64 Offset,
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ULONG Length,
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PULONG PBytesTransferred);
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NTSTATUS LfsWriteFile(
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HANDLE Handle,
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PVOID Buffer,
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UINT64 Offset,
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ULONG Length,
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PULONG PBytesTransferred);
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NTSTATUS LfsQueryDirectoryFile(
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HANDLE Handle,
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PVOID Buffer,
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ULONG Length,
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FILE_INFORMATION_CLASS FileInformationClass,
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BOOLEAN ReturnSingleEntry,
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PWSTR FileName,
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BOOLEAN RestartScan,
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PULONG PBytesTransferred);
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NTSTATUS LfsFsControlFile(
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HANDLE Handle,
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ULONG FsControlCode,
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PVOID InputBuffer,
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ULONG InputBufferLength,
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PVOID OutputBuffer,
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ULONG OutputBufferLength,
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PULONG PBytesTransferred);
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static inline
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ULONG LfsGetEaSize(ULONG EaSize)
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{
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return 0 != EaSize ? EaSize - 4 : 0;
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}
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/*
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* Missing NTDLL definitions
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*/
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typedef struct
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{
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ACCESS_MASK AccessFlags;
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} FILE_ACCESS_INFORMATION;
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typedef struct
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{
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ULONG AlignmentRequirement;
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} FILE_ALIGNMENT_INFORMATION;
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typedef struct
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{
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LARGE_INTEGER AllocationSize;
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} FILE_ALLOCATION_INFORMATION;
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typedef struct
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{
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ULONG FileAttributes;
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ULONG ReparseTag;
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} FILE_ATTRIBUTE_TAG_INFORMATION;
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typedef struct
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{
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LARGE_INTEGER CreationTime;
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LARGE_INTEGER LastAccessTime;
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LARGE_INTEGER LastWriteTime;
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LARGE_INTEGER ChangeTime;
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ULONG FileAttributes;
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} FILE_BASIC_INFORMATION;
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typedef struct
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{
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BOOLEAN DeleteFile;
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} FILE_DISPOSITION_INFORMATION;
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typedef struct
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{
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ULONG Flags;
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} FILE_DISPOSITION_INFORMATION_EX;
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typedef struct
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{
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ULONG EaSize;
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} FILE_EA_INFORMATION;
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typedef struct
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{
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LARGE_INTEGER EndOfFile;
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} FILE_END_OF_FILE_INFORMATION;
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typedef struct
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{
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LARGE_INTEGER IndexNumber;
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} FILE_INTERNAL_INFORMATION;
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typedef struct
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{
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ULONG Mode;
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} FILE_MODE_INFORMATION;
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typedef struct
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{
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ULONG FileNameLength;
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WCHAR FileName[1];
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} FILE_NAME_INFORMATION;
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typedef struct
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{
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LARGE_INTEGER CurrentByteOffset;
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} FILE_POSITION_INFORMATION;
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typedef struct
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{
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union
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{
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BOOLEAN ReplaceIfExists;
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ULONG Flags;
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} DUMMYUNIONNAME;
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HANDLE RootDirectory;
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ULONG FileNameLength;
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WCHAR FileName[1];
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} FILE_RENAME_INFORMATION;
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typedef struct
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{
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LARGE_INTEGER AllocationSize;
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LARGE_INTEGER EndOfFile;
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ULONG NumberOfLinks;
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BOOLEAN DeletePending;
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BOOLEAN Directory;
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} FILE_STANDARD_INFORMATION;
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typedef struct
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{
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ULONG NextEntryOffset;
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ULONG StreamNameLength;
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LARGE_INTEGER StreamSize;
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LARGE_INTEGER StreamAllocationSize;
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WCHAR StreamName[1];
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} FILE_STREAM_INFORMATION;
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typedef struct
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{
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FILE_BASIC_INFORMATION BasicInformation;
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FILE_STANDARD_INFORMATION StandardInformation;
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FILE_INTERNAL_INFORMATION InternalInformation;
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FILE_EA_INFORMATION EaInformation;
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FILE_ACCESS_INFORMATION AccessInformation;
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FILE_POSITION_INFORMATION PositionInformation;
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FILE_MODE_INFORMATION ModeInformation;
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FILE_ALIGNMENT_INFORMATION AlignmentInformation;
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FILE_NAME_INFORMATION NameInformation;
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} FILE_ALL_INFORMATION;
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typedef struct
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{
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ULONG NextEntryOffset;
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ULONG FileIndex;
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LARGE_INTEGER CreationTime;
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LARGE_INTEGER LastAccessTime;
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LARGE_INTEGER LastWriteTime;
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LARGE_INTEGER ChangeTime;
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LARGE_INTEGER EndOfFile;
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LARGE_INTEGER AllocationSize;
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ULONG FileAttributes;
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ULONG FileNameLength;
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ULONG EaSize;
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CCHAR ShortNameLength;
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WCHAR ShortName[12];
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LARGE_INTEGER FileId;
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WCHAR FileName[1];
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} FILE_ID_BOTH_DIR_INFORMATION;
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typedef struct
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{
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ULONG FileSystemAttributes;
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LONG MaximumComponentNameLength;
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ULONG FileSystemNameLength;
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WCHAR FileSystemName[1];
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} FILE_FS_ATTRIBUTE_INFORMATION;
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typedef struct
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{
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LARGE_INTEGER TotalAllocationUnits;
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LARGE_INTEGER AvailableAllocationUnits;
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ULONG SectorsPerAllocationUnit;
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ULONG BytesPerSector;
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} FILE_FS_SIZE_INFORMATION;
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NTSTATUS NTAPI NtFlushBuffersFile(
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HANDLE FileHandle,
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PIO_STATUS_BLOCK IoStatusBlock);
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NTSTATUS NTAPI NtFsControlFile(
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HANDLE FileHandle,
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HANDLE Event,
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PIO_APC_ROUTINE ApcRoutine,
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PVOID ApcContext,
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PIO_STATUS_BLOCK IoStatusBlock,
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ULONG FsControlCode,
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PVOID InputBuffer,
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ULONG InputBufferLength,
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PVOID OutputBuffer,
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ULONG OutputBufferLength);
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NTSTATUS NTAPI NtQueryEaFile(
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HANDLE FileHandle,
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PIO_STATUS_BLOCK IoStatusBlock,
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PVOID Buffer,
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ULONG Length,
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BOOLEAN ReturnSingleEntry,
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PVOID EaList,
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ULONG EaListLength,
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PULONG EaIndex,
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BOOLEAN RestartScan);
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NTSTATUS NTAPI NtQueryDirectoryFile(
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HANDLE FileHandle,
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HANDLE Event,
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PIO_APC_ROUTINE ApcRoutine,
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PVOID ApcContext,
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PIO_STATUS_BLOCK IoStatusBlock,
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PVOID FileInformation,
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ULONG Length,
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FILE_INFORMATION_CLASS FileInformationClass,
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BOOLEAN ReturnSingleEntry,
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PUNICODE_STRING FileName,
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BOOLEAN RestartScan);
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NTSTATUS NTAPI NtQueryInformationFile(
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HANDLE FileHandle,
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PIO_STATUS_BLOCK IoStatusBlock,
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PVOID FileInformation,
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ULONG Length,
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FILE_INFORMATION_CLASS FileInformationClass);
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NTSTATUS NTAPI NtQuerySecurityObject(
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HANDLE Handle,
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SECURITY_INFORMATION SecurityInformation,
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PSECURITY_DESCRIPTOR SecurityDescriptor,
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ULONG Length,
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PULONG LengthNeeded);
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NTSTATUS NTAPI NtQueryVolumeInformationFile(
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HANDLE FileHandle,
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PIO_STATUS_BLOCK IoStatusBlock,
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PVOID FsInformation,
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ULONG Length,
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ULONG FsInformationClass);
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NTSTATUS NTAPI NtReadFile(
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HANDLE FileHandle,
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HANDLE Event,
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PIO_APC_ROUTINE ApcRoutine,
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PVOID ApcContext,
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PIO_STATUS_BLOCK IoStatusBlock,
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PVOID Buffer,
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ULONG Length,
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PLARGE_INTEGER ByteOffset,
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PULONG Key);
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NTSTATUS NTAPI NtSetEaFile(
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HANDLE FileHandle,
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PIO_STATUS_BLOCK IoStatusBlock,
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PVOID Buffer,
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ULONG Length);
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NTSTATUS NTAPI NtSetInformationFile(
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HANDLE FileHandle,
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PIO_STATUS_BLOCK IoStatusBlock,
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PVOID FileInformation,
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ULONG Length,
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FILE_INFORMATION_CLASS FileInformationClass);
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NTSTATUS NTAPI NtSetSecurityObject(
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HANDLE Handle,
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SECURITY_INFORMATION SecurityInformation,
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PSECURITY_DESCRIPTOR SecurityDescriptor);
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NTSTATUS NTAPI NtWriteFile(
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HANDLE FileHandle,
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HANDLE Event,
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PIO_APC_ROUTINE ApcRoutine,
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PVOID ApcContext,
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PIO_STATUS_BLOCK IoStatusBlock,
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PVOID Buffer,
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ULONG Length,
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PLARGE_INTEGER ByteOffset,
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PULONG Key);
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#endif
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