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# Copyright (c) 2009-2010, Cloud Matrix Pty. Ltd.
# Copyright (c) 2016-2016, Adrien J. <liryna.stark@gmail.com>.
# All rights reserved; available under the terms of the MIT License.
"""
fs.expose.dokan.libdokan: low-level ctypes interface to Dokan
"""
from ctypes import *
try:
DokanMain = windll.Dokan1.DokanMain
DokanVersion = windll.Dokan1.DokanVersion
except AttributeError:
raise ImportError("Dokan DLL not found")
from ctypes.wintypes import *
ULONG64 = c_ulonglong
PULONGLONG = POINTER(c_ulonglong)
PVOID = c_void_p
PULONG = POINTER(c_ulong)
UCHAR = c_ubyte
LPDWORD = POINTER(c_ulong)
LONGLONG = c_longlong
NTSTATUS = c_long
USHORT = c_ushort
WCHAR = c_wchar
DokanVersion.restype = ULONG
DokanVersion.argtypes = ()
DOKAN_MINIMUM_COMPATIBLE_VERSION = 100 # this is release 1.0.0
if DokanVersion() < DOKAN_MINIMUM_COMPATIBLE_VERSION:
raise ImportError("Dokan DLL is too old")
MAX_PATH = 260
class SECURITY_DESCRIPTOR(Structure): pass
PSECURITY_DESCRIPTOR = POINTER(SECURITY_DESCRIPTOR)
PPSECURITY_DESCRIPTOR = POINTER(PSECURITY_DESCRIPTOR)
SECURITY_INFORMATION = DWORD
PSECURITY_INFORMATION = POINTER(SECURITY_INFORMATION)
class FILETIME(Structure):
_fields_ = [
("dwLowDateTime", DWORD),
("dwHighDateTime", DWORD),
]
class WIN32_FIND_DATAW(Structure):
_fields_ = [
("dwFileAttributes", DWORD),
("ftCreationTime", FILETIME),
("ftLastAccessTime", FILETIME),
("ftLastWriteTime", FILETIME),
("nFileSizeHigh", DWORD),
("nFileSizeLow", DWORD),
("dwReserved0", DWORD),
("dwReserved1", DWORD),
("cFileName", WCHAR * MAX_PATH),
("cAlternateFileName", WCHAR * 14),
]
class BY_HANDLE_FILE_INFORMATION(Structure):
_fields_ = [
('dwFileAttributes', DWORD),
('ftCreationTime', FILETIME),
('ftLastAccessTime', FILETIME),
('ftLastWriteTime', FILETIME),
('dwVolumeSerialNumber', DWORD),
('nFileSizeHigh', DWORD),
('nFileSizeLow', DWORD),
('nNumberOfLinks', DWORD),
('nFileIndexHigh', DWORD),
('nFileIndexLow', DWORD),
]
class DOKAN_OPTIONS(Structure):
_fields_ = [
("Version", USHORT),
("ThreadCount", USHORT),
("Options", ULONG),
("GlobalContext", ULONG64),
("MountPoint", LPCWSTR),
("UNCName", LPCWSTR),
("Timeout", ULONG),
("AllocationUnitSize", ULONG),
("SectorSize", ULONG),
]
class DOKAN_FILE_INFO(Structure):
_fields_ = [
("Context", ULONG64),
("DokanContext", ULONG64),
("DokanOptions", POINTER(DOKAN_OPTIONS)),
("ProcessId", ULONG),
("IsDirectory", UCHAR),
("DeleteOnClose", UCHAR),
("PagingIO", UCHAR),
("SyncronousIo", UCHAR),
("Nocache", UCHAR),
("WriteToEndOfFile", UCHAR),
]
PDOKAN_FILE_INFO = POINTER(DOKAN_FILE_INFO)
PFillFindData = WINFUNCTYPE(c_int, POINTER(WIN32_FIND_DATAW), PDOKAN_FILE_INFO)
class DOKAN_OPERATIONS(Structure):
_fields_ = [
("ZwCreateFile", WINFUNCTYPE(NTSTATUS,
LPCWSTR, # FileName
PVOID, # SecurityContext, see
# https://msdn.microsoft.com/en-us/library/windows/hardware/ff550613(v=vs.85).aspx
DWORD, # DesiredAccess
ULONG, # FileAttributes
ULONG, # ShareAccess
ULONG, # CreateDisposition
ULONG, # CreateOptions
PDOKAN_FILE_INFO)),
("Cleanup", WINFUNCTYPE(None,
LPCWSTR, # FileName
PDOKAN_FILE_INFO)),
("CloseFile", WINFUNCTYPE(None,
LPCWSTR, # FileName
PDOKAN_FILE_INFO)),
("ReadFile", WINFUNCTYPE(NTSTATUS,
LPCWSTR, # FileName
LPVOID, # Buffer
DWORD, # NumberOfBytesToRead
LPDWORD, # NumberOfBytesRead
LONGLONG, # Offset
PDOKAN_FILE_INFO)),
("WriteFile", WINFUNCTYPE(NTSTATUS,
LPCWSTR, # FileName
LPCVOID, # Buffer
DWORD, # NumberOfBytesToWrite
LPDWORD, # NumberOfBytesWritten
LONGLONG, # Offset
PDOKAN_FILE_INFO)),
("FlushFileBuffers", WINFUNCTYPE(NTSTATUS,
LPCWSTR, # FileName
PDOKAN_FILE_INFO)),
("GetFileInformation", WINFUNCTYPE(NTSTATUS,
LPCWSTR, # FileName
POINTER(BY_HANDLE_FILE_INFORMATION), # Buffer
PDOKAN_FILE_INFO)),
("FindFiles", WINFUNCTYPE(NTSTATUS,
LPCWSTR, # PathName
PFillFindData, # call this function with PWIN32_FIND_DATAW
PDOKAN_FILE_INFO)),
("FindFilesWithPattern", WINFUNCTYPE(NTSTATUS,
LPCWSTR, # PathName
LPCWSTR, # SearchPattern
PFillFindData, #call this function with PWIN32_FIND_DATAW
PDOKAN_FILE_INFO)),
("SetFileAttributes", WINFUNCTYPE(NTSTATUS,
LPCWSTR, # FileName
DWORD, # FileAttributes
PDOKAN_FILE_INFO)),
("SetFileTime", WINFUNCTYPE(NTSTATUS,
LPCWSTR, # FileName
POINTER(FILETIME), # CreationTime
POINTER(FILETIME), # LastAccessTime
POINTER(FILETIME), # LastWriteTime
PDOKAN_FILE_INFO)),
("DeleteFile", WINFUNCTYPE(NTSTATUS,
LPCWSTR, # FileName
PDOKAN_FILE_INFO)),
("DeleteDirectory", WINFUNCTYPE(NTSTATUS,
LPCWSTR, # FileName
PDOKAN_FILE_INFO)),
("MoveFile", WINFUNCTYPE(NTSTATUS,
LPCWSTR, # ExistingFileName
LPCWSTR, # NewFileName
BOOL, # ReplaceExisiting
PDOKAN_FILE_INFO)),
("SetEndOfFile", WINFUNCTYPE(NTSTATUS,
LPCWSTR, # FileName
LONGLONG, # Length
PDOKAN_FILE_INFO)),
("SetAllocationSize", WINFUNCTYPE(NTSTATUS,
LPCWSTR, # FileName
LONGLONG, # Length
PDOKAN_FILE_INFO)),
("LockFile", WINFUNCTYPE(NTSTATUS,
LPCWSTR, # FileName
LONGLONG, # ByteOffset
LONGLONG, # Length
PDOKAN_FILE_INFO)),
("UnlockFile", WINFUNCTYPE(NTSTATUS,
LPCWSTR, # FileName
LONGLONG, # ByteOffset
LONGLONG, # Length
PDOKAN_FILE_INFO)),
("GetDiskFreeSpace", WINFUNCTYPE(NTSTATUS,
PULONGLONG, # FreeBytesAvailable
PULONGLONG, # TotalNumberOfBytes
PULONGLONG, # TotalNumberOfFreeBytes
PDOKAN_FILE_INFO)),
("GetVolumeInformation", WINFUNCTYPE(NTSTATUS,
PVOID, # VolumeNameBuffer
DWORD, # VolumeNameSize in num of chars
LPDWORD, # VolumeSerialNumber
LPDWORD, # MaximumComponentLength in num of chars
LPDWORD, # FileSystemFlags
PVOID, # FileSystemNameBuffer
DWORD, # FileSystemNameSize in num of chars
PDOKAN_FILE_INFO)),
("Mounted", WINFUNCTYPE(NTSTATUS,
PDOKAN_FILE_INFO)),
("Unmounted", WINFUNCTYPE(NTSTATUS,
DOKAN_FILE_INFO)),
("GetFileSecurity", WINFUNCTYPE(NTSTATUS,
LPCWSTR, # FileName
PULONG, # A pointer to SECURITY_INFORMATION value being requested
PVOID, # A pointer to SECURITY_DESCRIPTOR buffer to be filled
ULONG, # Length of Security descriptor buffer
PULONG, # Length Needed
PDOKAN_FILE_INFO)),
("SetFileSecurity", WINFUNCTYPE(NTSTATUS,
LPCWSTR, # FileName
PVOID, # A pointer to SECURITY_INFORMATION value being
PVOID, # A pointer to SECURITY_DESCRIPTOR buffer
ULONG, # Length of Security descriptor buffer
PDOKAN_FILE_INFO)),
("FindStreams", WINFUNCTYPE(NTSTATUS,
LPCWSTR, # FileName
PVOID, # call this function with PWIN32_FIND_STREAM_DATA
PDOKAN_FILE_INFO))
]
DokanMain.restype = c_int
DokanMain.argtypes = (
POINTER(DOKAN_OPTIONS),
POINTER(DOKAN_OPERATIONS),
)
DokanRemoveMountPoint = windll.Dokan1.DokanRemoveMountPoint
DokanRemoveMountPoint.restype = BOOL
DokanRemoveMountPoint.argtypes = (
LPCWSTR,
)
DokanIsNameInExpression = windll.Dokan1.DokanIsNameInExpression
DokanIsNameInExpression.restype = BOOL
DokanIsNameInExpression.argtypes = (
LPCWSTR, # pattern
LPCWSTR, # name
BOOL, # ignore case
)
DokanDriverVersion = windll.Dokan1.DokanDriverVersion
DokanDriverVersion.restype = ULONG
DokanDriverVersion.argtypes = (
)
DokanResetTimeout = windll.Dokan1.DokanResetTimeout
DokanResetTimeout.restype = BOOL
DokanResetTimeout.argtypes = (
ULONG, #timeout
PDOKAN_FILE_INFO, # file info pointer
)
GetFileSecurity = windll.advapi32.GetFileSecurityW
GetFileSecurity.restype = BOOL
GetFileSecurity.argtypes = (
LPWSTR, # _In_ LPCTSTR lpFileName,
SECURITY_INFORMATION, # _In_ SECURITY_INFORMATION RequestedInformation,
PSECURITY_DESCRIPTOR, # _Out_opt_ PSECURITY_DESCRIPTOR pSecurityDescriptor,
DWORD, # _In_ DWORD nLength,
LPDWORD, # _Out_ LPDWORD lpnLengthNeeded
)
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