mirror of
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inc: winfsp.hpp: initial implementation of a C++ layer
This commit is contained in:
Bill Zissimopoulos
parent
6318e7b0ef
commit
00d1a3176e
@ -26,6 +26,7 @@
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<ClInclude Include="..\..\inc\fuse\winfsp_fuse.h" />
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<ClInclude Include="..\..\inc\winfsp\fsctl.h" />
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<ClInclude Include="..\..\inc\winfsp\winfsp.h" />
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<ClInclude Include="..\..\inc\winfsp\winfsp.hpp" />
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<ClInclude Include="..\..\src\dll\fuse\library.h" />
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<ClInclude Include="..\..\src\dll\library.h" />
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<ClInclude Include="..\..\src\shared\minimal.h" />
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@ -50,6 +50,9 @@
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<ClInclude Include="..\..\src\dll\fuse\library.h">
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<Filter>Source\fuse</Filter>
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</ClInclude>
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<ClInclude Include="..\..\inc\winfsp\winfsp.hpp">
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<Filter>Include\winfsp</Filter>
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</ClInclude>
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</ItemGroup>
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<ItemGroup>
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<ClCompile Include="..\..\src\dll\library.c">
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701
inc/winfsp/winfsp.hpp
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701
inc/winfsp/winfsp.hpp
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@ -0,0 +1,701 @@
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/**
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* @file winfsp/winfsp.hpp
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* WinFsp C++ Layer.
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*
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* @copyright 2015-2017 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 file in
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* accordance with the commercial license agreement provided with the
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* software.
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*/
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#ifndef WINFSP_WINFSP_HPP_INCLUDED
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#define WINFSP_WINFSP_HPP_INCLUDED
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#ifndef __cplusplus
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#error this header requires a C++ compiler
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#endif
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#include <winfsp/winfsp.h>
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namespace Fsp
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{
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class FileSystem
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{
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public:
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typedef FSP_FSCTL_VOLUME_PARAMS VOLUME_PARAMS;
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typedef FSP_FSCTL_VOLUME_INFO VOLUME_INFO;
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typedef FSP_FSCTL_FILE_INFO FILE_INFO;
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typedef FSP_FSCTL_OPEN_FILE_INFO OPEN_FILE_INFO;
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typedef FSP_FSCTL_DIR_INFO DIR_INFO;
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typedef FSP_FSCTL_STREAM_INFO STREAM_INFO;
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struct FILE_CONTEXT
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{
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PVOID FileNode;
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PVOID FileDesc;
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};
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enum CLEANUP_FLAGS
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{
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Delete = FspCleanupDelete,
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SetAllocationSize = FspCleanupSetAllocationSize,
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SetArchiveBit = FspCleanupSetArchiveBit,
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SetLastAccessTime = FspCleanupSetLastAccessTime,
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SetLastWriteTime = FspCleanupSetLastWriteTime,
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SetChangeTime = FspCleanupSetChangeTime,
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};
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public:
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/* ctor/dtor */
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FileSystem() : _VolumeParams(), _FileSystem(0)
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{
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static NTSTATUS LoadResult = FspLoad(0);
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_VolumeParams.SectorSize = 4096;
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_VolumeParams.SectorsPerAllocationUnit = 1;
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_VolumeParams.MaxComponentLength = 255;
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GetSystemTimeAsFileTime((PFILETIME)&_VolumeParams.VolumeCreationTime);
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_VolumeParams.VolumeSerialNumber = (UINT32)(_VolumeParams.VolumeCreationTime / (10000 * 1000));
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_VolumeParams.UmFileContextIsUserContext2 = 1;
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}
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virtual ~FileSystem()
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{
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if (0 != _FileSystem)
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FspFileSystemDelete(_FileSystem);
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}
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/* properties */
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const VOLUME_PARAMS *VolumeParams()
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{
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return &_VolumeParams;
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}
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VOID SetSectorSize(UINT16 SectorSize)
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{
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_VolumeParams.SectorSize = SectorSize;
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}
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VOID SetSectorsPerAllocationUnit(UINT16 SectorsPerAllocationUnit)
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{
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_VolumeParams.SectorsPerAllocationUnit = SectorsPerAllocationUnit;
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}
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VOID SetMaxComponentLength(UINT16 MaxComponentLength)
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{
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_VolumeParams.MaxComponentLength = MaxComponentLength;
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}
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VOID SetVolumeCreationTime(UINT64 VolumeCreationTime)
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{
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_VolumeParams.VolumeCreationTime = VolumeCreationTime;
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}
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VOID SetVolumeSerialNumber(UINT32 VolumeSerialNumber)
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{
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_VolumeParams.VolumeSerialNumber = VolumeSerialNumber;
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}
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VOID SetFileInfoTimeout(UINT32 FileInfoTimeout)
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{
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_VolumeParams.FileInfoTimeout = FileInfoTimeout;
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}
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VOID SetCaseSensitiveSearch(BOOLEAN CaseSensitiveSearch)
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{
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_VolumeParams.CaseSensitiveSearch = !!CaseSensitiveSearch;
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}
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VOID SetCasePreservedNames(BOOLEAN CasePreservedNames)
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{
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_VolumeParams.CasePreservedNames = !!CasePreservedNames;
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}
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VOID SetUnicodeOnDisk(BOOLEAN UnicodeOnDisk)
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{
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_VolumeParams.UnicodeOnDisk = !!UnicodeOnDisk;
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}
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VOID SetPersistentAcls(BOOLEAN PersistentAcls)
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{
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_VolumeParams.PersistentAcls = !!PersistentAcls;
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}
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VOID SetReparsePoints(BOOLEAN ReparsePoints)
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{
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_VolumeParams.ReparsePoints = !!ReparsePoints;
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}
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VOID SetReparsePointsAccessCheck(BOOLEAN ReparsePointsAccessCheck)
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{
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_VolumeParams.ReparsePointsAccessCheck = !!ReparsePointsAccessCheck;
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}
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VOID SetNamedStreams(BOOLEAN NamedStreams)
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{
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_VolumeParams.NamedStreams = !!NamedStreams;
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}
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VOID SetPostCleanupWhenModifiedOnly(BOOLEAN PostCleanupWhenModifiedOnly)
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{
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_VolumeParams.PostCleanupWhenModifiedOnly = !!PostCleanupWhenModifiedOnly;
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}
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VOID SetPassQueryDirectoryPattern(BOOLEAN PassQueryDirectoryPattern)
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{
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_VolumeParams.PassQueryDirectoryPattern = !!PassQueryDirectoryPattern;
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}
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VOID SetPrefix(PWSTR Prefix)
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{
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int Size = lstrlenW(Prefix) * sizeof(WCHAR);
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if (Size > sizeof _VolumeParams.Prefix - sizeof(WCHAR))
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Size = sizeof _VolumeParams.Prefix - sizeof(WCHAR);
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RtlCopyMemory(_VolumeParams.Prefix, Prefix, Size);
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_VolumeParams.Prefix[Size / sizeof(WCHAR)] = L'\0';
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}
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VOID SetFileSystemName(PWSTR FileSystemName)
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{
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int Size = lstrlenW(FileSystemName) * sizeof(WCHAR);
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if (Size > sizeof _VolumeParams.FileSystemName - sizeof(WCHAR))
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Size = sizeof _VolumeParams.FileSystemName - sizeof(WCHAR);
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RtlCopyMemory(_VolumeParams.FileSystemName, FileSystemName, Size);
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_VolumeParams.FileSystemName[Size / sizeof(WCHAR)] = L'\0';
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}
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/* control */
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NTSTATUS Preflight(PWSTR MountPoint)
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{
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return FspFileSystemPreflight(
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_VolumeParams.Prefix[0] ? L"WinFsp.Net" : L"WinFsp.Disk",
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MountPoint);
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}
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NTSTATUS Mount(PWSTR MountPoint,
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BOOLEAN Synchronized = FALSE,
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UINT32 DebugLog = 0)
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{
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NTSTATUS Result;
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Result = FspFileSystemCreate(
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_VolumeParams.Prefix[0] ? L"WinFsp.Net" : L"WinFsp.Disk",
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&_VolumeParams, Interface(), &_FileSystem);
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if (NT_SUCCESS(Result))
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{
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Result = FspFileSystemSetMountPoint(_FileSystem, MountPoint);
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if (NT_SUCCESS(Result))
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Result = FspFileSystemStartDispatcher(_FileSystem, 0);
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}
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if (NT_SUCCESS(Result))
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{
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_FileSystem->UserContext = this;
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FspFileSystemSetOperationGuardStrategy(_FileSystem, Synchronized ?
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FSP_FILE_SYSTEM_OPERATION_GUARD_STRATEGY_COARSE :
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FSP_FILE_SYSTEM_OPERATION_GUARD_STRATEGY_FINE);
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FspFileSystemSetDebugLog(_FileSystem, DebugLog);
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}
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else if (0 != _FileSystem)
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{
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FspFileSystemDelete(_FileSystem);
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_FileSystem = 0;
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}
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return Result;
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}
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VOID Unmount()
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{
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FspFileSystemStopDispatcher(_FileSystem);
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FspFileSystemDelete(_FileSystem);
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_FileSystem = 0;
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}
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PWSTR MountPoint()
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{
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return 0 != _FileSystem ? FspFileSystemMountPoint(_FileSystem) : 0;
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}
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FSP_FILE_SYSTEM *FileSystemHandle()
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{
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return _FileSystem;
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}
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/* helpers: directories/streams */
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static BOOLEAN AcquireDirectoryBuffer(PVOID *PDirBuffer,
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BOOLEAN Reset, PNTSTATUS PResult)
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{
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return FspFileSystemAcquireDirectoryBuffer(PDirBuffer, Reset, PResult);
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}
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static BOOLEAN FillDirectoryBuffer(PVOID *PDirBuffer,
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DIR_INFO *DirInfo, PNTSTATUS PResult)
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{
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return FspFileSystemFillDirectoryBuffer(PDirBuffer, DirInfo, PResult);
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}
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static VOID ReleaseDirectoryBuffer(PVOID *PDirBuffer)
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{
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FspFileSystemReleaseDirectoryBuffer(PDirBuffer);
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}
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static VOID ReadDirectoryBuffer(PVOID *PDirBuffer,
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PWSTR Marker,
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PVOID Buffer, ULONG Length, PULONG PBytesTransferred)
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{
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FspFileSystemReadDirectoryBuffer(PDirBuffer,
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Marker, Buffer, Length, PBytesTransferred);
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}
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static VOID DeleteDirectoryBuffer(PVOID *PDirBuffer)
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{
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FspFileSystemDeleteDirectoryBuffer(PDirBuffer);
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}
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static BOOLEAN AddDirInfo(DIR_INFO *DirInfo,
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PVOID Buffer, ULONG Length, PULONG PBytesTransferred)
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{
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return FspFileSystemAddDirInfo(DirInfo, Buffer, Length, PBytesTransferred);
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}
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static BOOLEAN AddStreamInfo(STREAM_INFO *StreamInfo,
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PVOID Buffer, ULONG Length, PULONG PBytesTransferred)
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{
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return FspFileSystemAddStreamInfo(StreamInfo, Buffer, Length, PBytesTransferred);
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}
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/* helpers: reparse points */
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BOOLEAN FindReparsePoint(
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PWSTR FileName, PUINT32 PReparsePointIndex)
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{
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return FspFileSystemFindReparsePoint(_FileSystem, GetReparsePointByName, 0,
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FileName, PReparsePointIndex);
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}
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static NTSTATUS CanReplaceReparsePoint(
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PVOID CurrentReparseData, SIZE_T CurrentReparseDataSize,
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PVOID ReplaceReparseData, SIZE_T ReplaceReparseDataSize)
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{
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return FspFileSystemCanReplaceReparsePoint(
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CurrentReparseData, CurrentReparseDataSize,
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ReplaceReparseData, ReplaceReparseDataSize);
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}
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/* operations */
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virtual NTSTATUS GetVolumeInfo(
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VOLUME_INFO *VolumeInfo)
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{
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return STATUS_INVALID_DEVICE_REQUEST;
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}
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virtual NTSTATUS SetVolumeLabel_(
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PWSTR VolumeLabel,
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VOLUME_INFO *VolumeInfo)
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{
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return STATUS_INVALID_DEVICE_REQUEST;
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}
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virtual NTSTATUS GetSecurityByName(
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PWSTR FileName, PUINT32 PFileAttributes/* or ReparsePointIndex */,
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PSECURITY_DESCRIPTOR SecurityDescriptor, SIZE_T *PSecurityDescriptorSize)
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{
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return STATUS_INVALID_DEVICE_REQUEST;
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}
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virtual NTSTATUS Create(
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PWSTR FileName, UINT32 CreateOptions, UINT32 GrantedAccess,
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UINT32 FileAttributes, PSECURITY_DESCRIPTOR SecurityDescriptor, UINT64 AllocationSize,
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FILE_CONTEXT *FileContext, OPEN_FILE_INFO *OpenFileInfo)
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{
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return STATUS_INVALID_DEVICE_REQUEST;
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}
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virtual NTSTATUS Open(
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PWSTR FileName, UINT32 CreateOptions, UINT32 GrantedAccess,
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FILE_CONTEXT *FileContext, OPEN_FILE_INFO *OpenFileInfo)
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{
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return STATUS_INVALID_DEVICE_REQUEST;
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}
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virtual NTSTATUS Overwrite(
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const FILE_CONTEXT *FileContext, UINT32 FileAttributes, BOOLEAN ReplaceFileAttributes, UINT64 AllocationSize,
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FILE_INFO *FileInfo)
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{
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return STATUS_INVALID_DEVICE_REQUEST;
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}
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virtual VOID Cleanup(
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const FILE_CONTEXT *FileContext, PWSTR FileName, ULONG Flags)
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{
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}
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virtual VOID Close(
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const FILE_CONTEXT *FileContext)
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{
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}
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virtual NTSTATUS Read(
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const FILE_CONTEXT *FileContext, PVOID Buffer, UINT64 Offset, ULONG Length,
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PULONG PBytesTransferred)
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{
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return STATUS_INVALID_DEVICE_REQUEST;
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}
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virtual NTSTATUS Write(
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const FILE_CONTEXT *FileContext, PVOID Buffer, UINT64 Offset, ULONG Length,
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BOOLEAN WriteToEndOfFile, BOOLEAN ConstrainedIo,
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PULONG PBytesTransferred, FILE_INFO *FileInfo)
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{
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return STATUS_INVALID_DEVICE_REQUEST;
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}
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virtual NTSTATUS Flush(
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const FILE_CONTEXT *FileContext,
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FILE_INFO *FileInfo)
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{
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return STATUS_INVALID_DEVICE_REQUEST;
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}
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virtual NTSTATUS GetFileInfo(
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const FILE_CONTEXT *FileContext,
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FILE_INFO *FileInfo)
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{
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return STATUS_INVALID_DEVICE_REQUEST;
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}
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virtual NTSTATUS SetBasicInfo(
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const FILE_CONTEXT *FileContext, UINT32 FileAttributes,
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UINT64 CreationTime, UINT64 LastAccessTime, UINT64 LastWriteTime, UINT64 ChangeTime,
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FILE_INFO *FileInfo)
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{
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return STATUS_INVALID_DEVICE_REQUEST;
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}
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virtual NTSTATUS SetFileSize(
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const FILE_CONTEXT *FileContext, UINT64 NewSize, BOOLEAN SetAllocationSize,
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FILE_INFO *FileInfo)
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{
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return STATUS_INVALID_DEVICE_REQUEST;
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}
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virtual NTSTATUS CanDelete(
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const FILE_CONTEXT *FileContext, PWSTR FileName)
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{
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return STATUS_INVALID_DEVICE_REQUEST;
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}
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virtual NTSTATUS Rename(
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const FILE_CONTEXT *FileContext,
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PWSTR FileName, PWSTR NewFileName, BOOLEAN ReplaceIfExists)
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{
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return STATUS_INVALID_DEVICE_REQUEST;
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}
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virtual NTSTATUS GetSecurity(
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const FILE_CONTEXT *FileContext,
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PSECURITY_DESCRIPTOR SecurityDescriptor, SIZE_T *PSecurityDescriptorSize)
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{
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return STATUS_INVALID_DEVICE_REQUEST;
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}
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virtual NTSTATUS SetSecurity(
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const FILE_CONTEXT *FileContext,
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SECURITY_INFORMATION SecurityInformation, PSECURITY_DESCRIPTOR ModificationDescriptor)
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{
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return STATUS_INVALID_DEVICE_REQUEST;
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}
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virtual NTSTATUS ReadDirectory(
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const FILE_CONTEXT *FileContext, PWSTR Pattern, PWSTR Marker,
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PVOID Buffer, ULONG Length, PULONG PBytesTransferred)
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{
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return STATUS_INVALID_DEVICE_REQUEST;
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}
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virtual NTSTATUS ResolveReparsePoints(
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PWSTR FileName, UINT32 ReparsePointIndex, BOOLEAN ResolveLastPathComponent,
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PIO_STATUS_BLOCK PIoStatus, PVOID Buffer, PSIZE_T PSize)
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{
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return FspFileSystemResolveReparsePoints(_FileSystem, GetReparsePointByName, 0,
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FileName, ReparsePointIndex, ResolveLastPathComponent,
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PIoStatus, Buffer, PSize);
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}
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virtual NTSTATUS GetReparsePointByName(
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PWSTR FileName, BOOLEAN IsDirectory, PVOID Buffer, PSIZE_T PSize)
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{
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return STATUS_INVALID_DEVICE_REQUEST;
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}
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virtual NTSTATUS GetReparsePoint(
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const FILE_CONTEXT *FileContext,
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PWSTR FileName, PVOID Buffer, PSIZE_T PSize)
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{
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return STATUS_INVALID_DEVICE_REQUEST;
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||||
}
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virtual NTSTATUS SetReparsePoint(
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const FILE_CONTEXT *FileContext,
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PWSTR FileName, PVOID Buffer, SIZE_T Size)
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||||
{
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return STATUS_INVALID_DEVICE_REQUEST;
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||||
}
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virtual NTSTATUS DeleteReparsePoint(
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const FILE_CONTEXT *FileContext,
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PWSTR FileName, PVOID Buffer, SIZE_T Size)
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{
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return STATUS_INVALID_DEVICE_REQUEST;
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}
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virtual NTSTATUS GetStreamInfo(
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const FILE_CONTEXT *FileContext, PVOID Buffer, ULONG Length,
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PULONG PBytesTransferred)
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{
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return STATUS_INVALID_DEVICE_REQUEST;
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}
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private:
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/* FSP_FILE_SYSTEM_INTERFACE */
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static NTSTATUS GetVolumeInfo(FSP_FILE_SYSTEM *FileSystem0,
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VOLUME_INFO *VolumeInfo)
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{
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FileSystem *self = (FileSystem *)FileSystem0->UserContext;
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return self->GetVolumeInfo(VolumeInfo);
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}
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static NTSTATUS SetVolumeLabel_(FSP_FILE_SYSTEM *FileSystem0,
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PWSTR VolumeLabel,
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VOLUME_INFO *VolumeInfo)
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{
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FileSystem *self = (FileSystem *)FileSystem0->UserContext;
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return self->SetVolumeLabel_(VolumeLabel, VolumeInfo);
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}
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static NTSTATUS GetSecurityByName(FSP_FILE_SYSTEM *FileSystem0,
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PWSTR FileName, PUINT32 PFileAttributes/* or ReparsePointIndex */,
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PSECURITY_DESCRIPTOR SecurityDescriptor, SIZE_T *PSecurityDescriptorSize)
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{
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FileSystem *self = (FileSystem *)FileSystem0->UserContext;
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return self->GetSecurityByName(
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FileName, PFileAttributes, SecurityDescriptor, PSecurityDescriptorSize);
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}
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static NTSTATUS Create(FSP_FILE_SYSTEM *FileSystem0,
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PWSTR FileName, UINT32 CreateOptions, UINT32 GrantedAccess,
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UINT32 FileAttributes, PSECURITY_DESCRIPTOR SecurityDescriptor, UINT64 AllocationSize,
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||||
PVOID *FullContext, FILE_INFO *FileInfo)
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||||
{
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||||
FileSystem *self = (FileSystem *)FileSystem0->UserContext;
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||||
FILE_CONTEXT FileContext;
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||||
NTSTATUS Result = self->Create(
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||||
FileName, CreateOptions, GrantedAccess, FileAttributes, SecurityDescriptor, AllocationSize,
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||||
&FileContext, FspFileSystemGetOpenFileInfo(FileInfo));
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((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext = (UINT64)(UINT_PTR)FileContext.FileNode;
|
||||
((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext2 = (UINT64)(UINT_PTR)FileContext.FileDesc;
|
||||
return Result;
|
||||
}
|
||||
static NTSTATUS Open(FSP_FILE_SYSTEM *FileSystem0,
|
||||
PWSTR FileName, UINT32 CreateOptions, UINT32 GrantedAccess,
|
||||
PVOID *FullContext, FILE_INFO *FileInfo)
|
||||
{
|
||||
FileSystem *self = (FileSystem *)FileSystem0->UserContext;
|
||||
FILE_CONTEXT FileContext;
|
||||
NTSTATUS Result = self->Open(
|
||||
FileName, CreateOptions, GrantedAccess,
|
||||
&FileContext, FspFileSystemGetOpenFileInfo(FileInfo));
|
||||
((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext = (UINT64)(UINT_PTR)FileContext.FileNode;
|
||||
((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext2 = (UINT64)(UINT_PTR)FileContext.FileDesc;
|
||||
return Result;
|
||||
}
|
||||
static NTSTATUS Overwrite(FSP_FILE_SYSTEM *FileSystem0,
|
||||
PVOID FullContext, UINT32 FileAttributes, BOOLEAN ReplaceFileAttributes, UINT64 AllocationSize,
|
||||
FILE_INFO *FileInfo)
|
||||
{
|
||||
FileSystem *self = (FileSystem *)FileSystem0->UserContext;
|
||||
FILE_CONTEXT FileContext;
|
||||
FileContext.FileNode = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext;
|
||||
FileContext.FileDesc = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext2;
|
||||
return self->Overwrite(&FileContext, FileAttributes, ReplaceFileAttributes, AllocationSize,
|
||||
FileInfo);
|
||||
}
|
||||
static VOID Cleanup(FSP_FILE_SYSTEM *FileSystem0,
|
||||
PVOID FullContext, PWSTR FileName, ULONG Flags)
|
||||
{
|
||||
FileSystem *self = (FileSystem *)FileSystem0->UserContext;
|
||||
FILE_CONTEXT FileContext;
|
||||
FileContext.FileNode = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext;
|
||||
FileContext.FileDesc = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext2;
|
||||
return self->Cleanup(&FileContext, FileName, (CLEANUP_FLAGS)Flags);
|
||||
}
|
||||
static VOID Close(FSP_FILE_SYSTEM *FileSystem0,
|
||||
PVOID FullContext)
|
||||
{
|
||||
FileSystem *self = (FileSystem *)FileSystem0->UserContext;
|
||||
FILE_CONTEXT FileContext;
|
||||
FileContext.FileNode = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext;
|
||||
FileContext.FileDesc = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext2;
|
||||
return self->Close(&FileContext);
|
||||
}
|
||||
static NTSTATUS Read(FSP_FILE_SYSTEM *FileSystem0,
|
||||
PVOID FullContext, PVOID Buffer, UINT64 Offset, ULONG Length,
|
||||
PULONG PBytesTransferred)
|
||||
{
|
||||
FileSystem *self = (FileSystem *)FileSystem0->UserContext;
|
||||
FILE_CONTEXT FileContext;
|
||||
FileContext.FileNode = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext;
|
||||
FileContext.FileDesc = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext2;
|
||||
return self->Read(&FileContext, Buffer, Offset, Length, PBytesTransferred);
|
||||
}
|
||||
static NTSTATUS Write(FSP_FILE_SYSTEM *FileSystem0,
|
||||
PVOID FullContext, PVOID Buffer, UINT64 Offset, ULONG Length,
|
||||
BOOLEAN WriteToEndOfFile, BOOLEAN ConstrainedIo,
|
||||
PULONG PBytesTransferred, FILE_INFO *FileInfo)
|
||||
{
|
||||
FileSystem *self = (FileSystem *)FileSystem0->UserContext;
|
||||
FILE_CONTEXT FileContext;
|
||||
FileContext.FileNode = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext;
|
||||
FileContext.FileDesc = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext2;
|
||||
return self->Write(&FileContext, Buffer, Offset, Length, WriteToEndOfFile, ConstrainedIo,
|
||||
PBytesTransferred, FileInfo);
|
||||
}
|
||||
static NTSTATUS Flush(FSP_FILE_SYSTEM *FileSystem0,
|
||||
PVOID FullContext,
|
||||
FILE_INFO *FileInfo)
|
||||
{
|
||||
FileSystem *self = (FileSystem *)FileSystem0->UserContext;
|
||||
FILE_CONTEXT FileContext;
|
||||
FileContext.FileNode = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext;
|
||||
FileContext.FileDesc = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext2;
|
||||
return self->Flush(&FileContext, FileInfo);
|
||||
}
|
||||
static NTSTATUS GetFileInfo(FSP_FILE_SYSTEM *FileSystem0,
|
||||
PVOID FullContext,
|
||||
FILE_INFO *FileInfo)
|
||||
{
|
||||
FileSystem *self = (FileSystem *)FileSystem0->UserContext;
|
||||
FILE_CONTEXT FileContext;
|
||||
FileContext.FileNode = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext;
|
||||
FileContext.FileDesc = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext2;
|
||||
return self->GetFileInfo(&FileContext, FileInfo);
|
||||
}
|
||||
static NTSTATUS SetBasicInfo(FSP_FILE_SYSTEM *FileSystem0,
|
||||
PVOID FullContext, UINT32 FileAttributes,
|
||||
UINT64 CreationTime, UINT64 LastAccessTime, UINT64 LastWriteTime, UINT64 ChangeTime,
|
||||
FILE_INFO *FileInfo)
|
||||
{
|
||||
FileSystem *self = (FileSystem *)FileSystem0->UserContext;
|
||||
FILE_CONTEXT FileContext;
|
||||
FileContext.FileNode = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext;
|
||||
FileContext.FileDesc = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext2;
|
||||
return self->SetBasicInfo(&FileContext, FileAttributes,
|
||||
CreationTime, LastAccessTime, LastWriteTime, ChangeTime,
|
||||
FileInfo);
|
||||
}
|
||||
static NTSTATUS SetFileSize(FSP_FILE_SYSTEM *FileSystem0,
|
||||
PVOID FullContext, UINT64 NewSize, BOOLEAN SetAllocationSize,
|
||||
FILE_INFO *FileInfo)
|
||||
{
|
||||
FileSystem *self = (FileSystem *)FileSystem0->UserContext;
|
||||
FILE_CONTEXT FileContext;
|
||||
FileContext.FileNode = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext;
|
||||
FileContext.FileDesc = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext2;
|
||||
return self->SetFileSize(&FileContext, NewSize, SetAllocationSize, FileInfo);
|
||||
}
|
||||
static NTSTATUS CanDelete(FSP_FILE_SYSTEM *FileSystem0,
|
||||
PVOID FullContext, PWSTR FileName)
|
||||
{
|
||||
FileSystem *self = (FileSystem *)FileSystem0->UserContext;
|
||||
FILE_CONTEXT FileContext;
|
||||
FileContext.FileNode = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext;
|
||||
FileContext.FileDesc = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext2;
|
||||
return self->CanDelete(&FileContext, FileName);
|
||||
}
|
||||
static NTSTATUS Rename(FSP_FILE_SYSTEM *FileSystem0,
|
||||
PVOID FullContext,
|
||||
PWSTR FileName, PWSTR NewFileName, BOOLEAN ReplaceIfExists)
|
||||
{
|
||||
FileSystem *self = (FileSystem *)FileSystem0->UserContext;
|
||||
FILE_CONTEXT FileContext;
|
||||
FileContext.FileNode = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext;
|
||||
FileContext.FileDesc = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext2;
|
||||
return self->Rename(&FileContext, FileName, NewFileName, ReplaceIfExists);
|
||||
}
|
||||
static NTSTATUS GetSecurity(FSP_FILE_SYSTEM *FileSystem0,
|
||||
PVOID FullContext,
|
||||
PSECURITY_DESCRIPTOR SecurityDescriptor, SIZE_T *PSecurityDescriptorSize)
|
||||
{
|
||||
FileSystem *self = (FileSystem *)FileSystem0->UserContext;
|
||||
FILE_CONTEXT FileContext;
|
||||
FileContext.FileNode = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext;
|
||||
FileContext.FileDesc = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext2;
|
||||
return self->GetSecurity(&FileContext, SecurityDescriptor, PSecurityDescriptorSize);
|
||||
}
|
||||
static NTSTATUS SetSecurity(FSP_FILE_SYSTEM *FileSystem0,
|
||||
PVOID FullContext,
|
||||
SECURITY_INFORMATION SecurityInformation, PSECURITY_DESCRIPTOR ModificationDescriptor)
|
||||
{
|
||||
FileSystem *self = (FileSystem *)FileSystem0->UserContext;
|
||||
FILE_CONTEXT FileContext;
|
||||
FileContext.FileNode = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext;
|
||||
FileContext.FileDesc = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext2;
|
||||
return self->SetSecurity(&FileContext, SecurityInformation, ModificationDescriptor);
|
||||
}
|
||||
static NTSTATUS ReadDirectory(FSP_FILE_SYSTEM *FileSystem0,
|
||||
PVOID FullContext, PWSTR Pattern, PWSTR Marker,
|
||||
PVOID Buffer, ULONG Length, PULONG PBytesTransferred)
|
||||
{
|
||||
FileSystem *self = (FileSystem *)FileSystem0->UserContext;
|
||||
FILE_CONTEXT FileContext;
|
||||
FileContext.FileNode = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext;
|
||||
FileContext.FileDesc = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext2;
|
||||
return self->ReadDirectory(&FileContext, Pattern, Marker, Buffer, Length, PBytesTransferred);
|
||||
}
|
||||
static NTSTATUS ResolveReparsePoints(FSP_FILE_SYSTEM *FileSystem0,
|
||||
PWSTR FileName, UINT32 ReparsePointIndex, BOOLEAN ResolveLastPathComponent,
|
||||
PIO_STATUS_BLOCK PIoStatus, PVOID Buffer, PSIZE_T PSize)
|
||||
{
|
||||
FileSystem *self = (FileSystem *)FileSystem0->UserContext;
|
||||
return self->ResolveReparsePoints(FileName, ReparsePointIndex, ResolveLastPathComponent,
|
||||
PIoStatus, Buffer, PSize);
|
||||
}
|
||||
static NTSTATUS GetReparsePointByName(
|
||||
FSP_FILE_SYSTEM *FileSystem0, PVOID Context,
|
||||
PWSTR FileName, BOOLEAN IsDirectory, PVOID Buffer, PSIZE_T PSize)
|
||||
{
|
||||
FileSystem *self = (FileSystem *)FileSystem0->UserContext;
|
||||
return self->GetReparsePointByName(FileName, IsDirectory, Buffer, PSize);
|
||||
}
|
||||
static NTSTATUS GetReparsePoint(FSP_FILE_SYSTEM *FileSystem0,
|
||||
PVOID FullContext,
|
||||
PWSTR FileName, PVOID Buffer, PSIZE_T PSize)
|
||||
{
|
||||
FileSystem *self = (FileSystem *)FileSystem0->UserContext;
|
||||
FILE_CONTEXT FileContext;
|
||||
FileContext.FileNode = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext;
|
||||
FileContext.FileDesc = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext2;
|
||||
return self->GetReparsePoint(&FileContext, FileName, Buffer, PSize);
|
||||
}
|
||||
static NTSTATUS SetReparsePoint(FSP_FILE_SYSTEM *FileSystem0,
|
||||
PVOID FullContext,
|
||||
PWSTR FileName, PVOID Buffer, SIZE_T Size)
|
||||
{
|
||||
FileSystem *self = (FileSystem *)FileSystem0->UserContext;
|
||||
FILE_CONTEXT FileContext;
|
||||
FileContext.FileNode = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext;
|
||||
FileContext.FileDesc = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext2;
|
||||
return self->SetReparsePoint(&FileContext, FileName, Buffer, Size);
|
||||
}
|
||||
static NTSTATUS DeleteReparsePoint(FSP_FILE_SYSTEM *FileSystem0,
|
||||
PVOID FullContext,
|
||||
PWSTR FileName, PVOID Buffer, SIZE_T Size)
|
||||
{
|
||||
FileSystem *self = (FileSystem *)FileSystem0->UserContext;
|
||||
FILE_CONTEXT FileContext;
|
||||
FileContext.FileNode = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext;
|
||||
FileContext.FileDesc = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext2;
|
||||
return self->DeleteReparsePoint(&FileContext, FileName, Buffer, Size);
|
||||
}
|
||||
static NTSTATUS GetStreamInfo(FSP_FILE_SYSTEM *FileSystem0,
|
||||
PVOID FullContext, PVOID Buffer, ULONG Length,
|
||||
PULONG PBytesTransferred)
|
||||
{
|
||||
FileSystem *self = (FileSystem *)FileSystem0->UserContext;
|
||||
FILE_CONTEXT FileContext;
|
||||
FileContext.FileNode = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext;
|
||||
FileContext.FileDesc = (PVOID)(UINT_PTR)((FSP_FSCTL_TRANSACT_FULL_CONTEXT *)FullContext)->UserContext2;
|
||||
return self->GetStreamInfo(&FileContext, Buffer, Length, PBytesTransferred);
|
||||
}
|
||||
static FSP_FILE_SYSTEM_INTERFACE *Interface()
|
||||
{
|
||||
static FSP_FILE_SYSTEM_INTERFACE _Interface =
|
||||
{
|
||||
GetVolumeInfo,
|
||||
SetVolumeLabel_,
|
||||
GetSecurityByName,
|
||||
Create,
|
||||
Open,
|
||||
Overwrite,
|
||||
Cleanup,
|
||||
Close,
|
||||
Read,
|
||||
Write,
|
||||
Flush,
|
||||
GetFileInfo,
|
||||
SetBasicInfo,
|
||||
SetFileSize,
|
||||
CanDelete,
|
||||
Rename,
|
||||
GetSecurity,
|
||||
SetSecurity,
|
||||
ReadDirectory,
|
||||
ResolveReparsePoints,
|
||||
GetReparsePoint,
|
||||
SetReparsePoint,
|
||||
DeleteReparsePoint,
|
||||
GetStreamInfo,
|
||||
};
|
||||
return &_Interface;
|
||||
}
|
||||
|
||||
private:
|
||||
/* disallow copy and assignment */
|
||||
FileSystem(const FileSystem &);
|
||||
FileSystem &operator=(const FileSystem &);
|
||||
|
||||
private:
|
||||
VOLUME_PARAMS _VolumeParams;
|
||||
FSP_FILE_SYSTEM *_FileSystem;
|
||||
};
|
||||
|
||||
}
|
||||
|
||||
#endif
|
||||
Loading…
x
Reference in New Issue
Block a user