public NtStatus CreateFile(string filename, DokanNet.FileAccess access, FileShare share,
FileMode mode, FileOptions options, FileAttributes attributes, DokanFileInfo info)
{
NtStatus ret = NtStatus.Success;
if (filename.EndsWith(":SSHFSProperty.Cache"))
{
System.Diagnostics.Debug.WriteLine("SSHFS.Cache: " + filename);
filename = filename.Remove(filename.IndexOf(":SSHFSProperty.Cache"));
CacheEntry entry = cache_.Lookup(filename);
entry.RemoveAllCache();
return(NtStatus.Success);
}
if (mode == FileMode.Open || mode == FileMode.OpenOrCreate)
{
CacheEntry entry = cache_.Lookup(filename);
if (mode == FileMode.OpenOrCreate)
{
if (entry.Parrent != null)
{
entry.Parrent.RemoveFindFilesCache();
}
}
if (entry.CreateFileRet == NtStatus.MaximumNtStatus)
{
ret = ope_.CreateFile(filename, access, share, mode, options, attributes, info);
entry.CreateFileRet = ret;
}
else
{
ret = entry.CreateFileRet;
}
}
else
{
ret = ope_.CreateFile(filename, access, share, mode, options, attributes, info);
if (mode == FileMode.Create || mode == FileMode.CreateNew)
{
CacheEntry entry = cache_.Lookup(filename);
if (entry.Parrent != null)
{
entry.Parrent.RemoveFindFilesCache();
}
}
}
return(ret);
}
internal NtStatus ZwCreateFileProxy(string rawFileName, IntPtr SecurityContext, uint rawDesiredAccess, uint rawFileAttributes, uint rawShareAccess, uint rawCreateDisposition, uint rawCreateOptions, DokanFileInfo dokanFileInfo)
{
try
{
FileOptions fileOptions = 0;
FileAttributes fileAttributes = 0;
int fileAttributesAndFlags = 0;
int creationDisposition = 0;
DokanNativeMethods.DokanMapKernelToUserCreateFileFlags(rawFileAttributes, rawCreateOptions, rawCreateDisposition, ref fileAttributesAndFlags, ref creationDisposition);
foreach (FileOptions fileOption in Enum.GetValues(typeof(FileOptions)))
{
if (((FileOptions)(fileAttributesAndFlags & 0xffffc000) & fileOption) == fileOption)
{
fileOptions |= fileOption;
}
}
foreach (FileAttributes fileAttribute in Enum.GetValues(typeof(FileAttributes)))
{
if (((FileAttributes)(fileAttributesAndFlags & 0x3fff) & fileAttribute) == fileAttribute)
{
fileAttributes |= fileAttribute;
}
}
NtStatus result = _operations.CreateFile(rawFileName, (FileAccess)rawDesiredAccess, (FileShare)rawShareAccess, (FileMode)creationDisposition, fileOptions, fileAttributes, dokanFileInfo);
return(result);
}
catch (Exception ex)
{
ServiceRegistration.Get <ILogger>().Warn("Dokan exception: ", ex);
return(DokanResult.Unsuccessful);
}
}
public NtStatus CreateFileProxy(string rawFileName,
uint rawAccessMode, uint rawShare, uint rawCreationDisposition, uint rawFlagsAndAttributes,
DokanFileInfo rawFileInfo)
{
try
{
Trace("\nCreateFileProxy : " + rawFileName);
Trace("\tCreationDisposition\t" + (FileMode)rawCreationDisposition);
Trace("\tFileAccess\t" + (FileAccess)rawAccessMode);
Trace("\tFileShare\t" + (FileShare)rawShare);
Trace("\tFileOptions\t" + (FileOptions)(rawFlagsAndAttributes & 0xffffc000));
Trace("\tFileAttributes\t" + (FileAttributes)(rawFlagsAndAttributes & 0x3fff));
Trace("\tContext\t" + ToTrace(rawFileInfo));
NtStatus result = operations.CreateFile(rawFileName,
(FileAccess)rawAccessMode,
(FileShare)rawShare,
(FileMode)rawCreationDisposition,
(FileOptions)(rawFlagsAndAttributes & 0xffffc000),
(FileAttributes)(rawFlagsAndAttributes & 0x3fff),
rawFileInfo);
Trace("CreateFileProxy : " + rawFileName + " Return : " + result);
return(result);
}
#pragma warning disable 0168
catch (Exception ex)
#pragma warning restore 0168
{
Trace("CreateFileProxy : " + rawFileName + " Throw : " + ex.Message);
return(DokanResult.Unsuccessful);
}
}
NtStatus IDokanOperations.CreateFile(string fileName, FileAccess access, FileShare share, FileMode mode,
FileOptions options,
FileAttributes attributes, IDokanFileInfo info)
{
if (info.IsDirectory)
{
if (mode == FileMode.Open)
{
return(OpenDirectory(fileName, info));
}
if (mode == FileMode.CreateNew)
{
return(CreateDirectory(fileName, info));
}
return(NtStatus.NotImplemented);
}
if (fileName.EndsWith("desktop.ini", StringComparison.OrdinalIgnoreCase) ||
fileName.EndsWith("autorun.inf", StringComparison.OrdinalIgnoreCase))
{
return(NtStatus.NoSuchFile);
}
SftpDrive drive = this.GetDriveByMountPoint(fileName, out fileName);
LogFSActionInit("OpenFile", fileName, drive, "Mode:{0}", mode);
if (drive != null)
{
LogFSActionSuccess("OpenFile", fileName, drive, "Mode:{0} NonVFS", mode);
IDokanOperations idops = GetSubSystemOperations(drive);
return(idops?.CreateFile(fileName, access, share, mode, options, attributes, info) ??
NtStatus.AccessDenied); //AccessDenied happens if mounting failed
}
//check against mountpoints if virtual dir exists
string path = fileName.Substring(1);
if (path == "")
{
//info.IsDirectory = true;
info.Context = null;
LogFSActionSuccess("OpenFile", fileName, null, "VFS root");
return(NtStatus.Success);
}
foreach (var drive2 in this._subsytems.Where(drive2 => drive2.MountPoint.Length > 0)
.Where(drive2 => drive2.MountPoint.IndexOf(path) == 0))
{
info.IsDirectory = true;
info.Context = drive2;
LogFSActionSuccess("OpenFile", fileName, drive2, "VFS (sub)mountpoint");
return(NtStatus.Success);
}
//pathnotfound detection?
LogFSActionError("OpenFile", fileName, null, "File not found");
return(NtStatus.NoSuchFile);
}
private NtStatus OpenDirectory(string fileName, IDokanFileInfo info)
{
SftpDrive drive = this.GetDriveByMountPoint(fileName, out fileName);
LogFSActionInit("OpenDir", fileName, drive, "");
if (drive != null)
{
lastActiveSubsytem = drive;
IDokanOperations ops = GetSubSystemOperations(drive);
if (ops == null)
{
LogFSActionError("OpenDir", fileName, drive, "Cannot open, mount failed?");
return(NtStatus.AccessDenied);
}
LogFSActionSuccess("OpenDir", fileName, drive, "Found, subsytem");
return(ops.CreateFile(fileName, FileAccess.GenericRead, FileShare.None, FileMode.Open, FileOptions.None,
FileAttributes.Directory, info));
}
if (fileName.Length == 1) //root dir
{
LogFSActionSuccess("OpenDir", fileName, drive, "Found, VFS root");
info.IsDirectory = true;
return(NtStatus.Success);
}
//root test should keep lastactive if drag and drop(win8)
lastActiveSubsytem = null;
string path = fileName.Substring(1); //cut leading \
foreach (SftpDrive subdrive in _subsytems)
{
string mp = subdrive.MountPoint; // mp1 || mp1\mp2 ...
if (path == mp)
{
info.Context = subdrive;
info.IsDirectory = true;
LogFSActionSuccess("OpenDir", fileName, drive, "Found, final mountpoint");
return(NtStatus.Success);
}
if (mp.IndexOf(path + '\\') == 0)
{
//path is part of mount point
info.Context = subdrive;
info.IsDirectory = true;
LogFSActionSuccess("OpenDir", fileName, drive, "Found, part of mountpoint");
return(NtStatus.Success);
}
}
LogFSActionError("OpenDir", fileName, drive, "Path not found");
return(NtStatus.ObjectPathNotFound);
}
DokanError IDokanOperations.CreateFile(string fileName, FileAccess access, FileShare share,
FileMode mode, FileOptions options,
FileAttributes attributes, DokanFileInfo info)
{
if (fileName.EndsWith("desktop.ini", StringComparison.OrdinalIgnoreCase) ||
fileName.EndsWith("autorun.inf", StringComparison.OrdinalIgnoreCase)) //....
{
return(DokanError.ErrorFileNotFound);
}
SftpDrive drive = this.GetDriveByMountPoint(fileName, out fileName);
LogFSActionInit("OpenFile", fileName, drive, "Mode:{0}", mode);
if (drive != null)
{
LogFSActionSuccess("OpenFile", fileName, drive, "Mode:{0} NonVFS", mode);
IDokanOperations idops = GetSubSystemOperations(drive);
if (idops == null)
{
//this happens if mounting failed
return(DokanError.ErrorAccessDenied);
}
return(idops.CreateFile(fileName, access, share, mode, options, attributes, info));
}
//check against mountpoints if virtual dir exists
string path = fileName.Substring(1);
if (path == "")
{
info.IsDirectory = true;
info.Context = null;
LogFSActionSuccess("OpenFile", fileName, null, "VFS root");
return(DokanError.ErrorSuccess);
}
foreach (SftpDrive drive2 in this._subsytems)
{
if (drive2.MountPoint.Length > 0)
{
if (drive2.MountPoint.IndexOf(path) == 0)
{
info.IsDirectory = true;
info.Context = drive2;
LogFSActionSuccess("OpenFile", fileName, drive2, "VFS (sub)mountpoint");
return(DokanError.ErrorSuccess);
}
}
}
//pathnotfound detection?
LogFSActionError("OpenFile", fileName, null, "File not found");
return(DokanError.ErrorFileNotFound);
}
/// <summary>
/// Called when a file is to be created
/// See https://msdn.microsoft.com/en-us/library/windows/hardware/ff566424(v=vs.85).aspx
/// </summary>
public NtStatus ZwCreateFileProxy(string rawFileName, IntPtr securityContext, uint rawDesiredAccess,
uint rawFileAttributes,
uint rawShareAccess, uint rawCreateDisposition, uint rawCreateOptions,
DokanFileInfo rawFileInfo)
{
try
{
FileOptions fileOptions = 0;
FileAttributes fileAttributes = 0;
var fileAttributesAndFlags = 0;
var creationDisposition = 0;
NativeMethods.DokanMapKernelToUserCreateFileFlags(rawFileAttributes, rawCreateOptions,
rawCreateDisposition, ref fileAttributesAndFlags, ref creationDisposition);
foreach (FileOptions fileOption in Enum.GetValues(typeof(FileOptions)))
{
if (((FileOptions)(fileAttributesAndFlags & 0xffffc000) & fileOption) == fileOption)
{
fileOptions |= fileOption;
}
}
foreach (FileAttributes fileAttribute in Enum.GetValues(typeof(FileAttributes)))
{
if (((FileAttributes)(fileAttributesAndFlags & 0x3fff) & fileAttribute) == fileAttribute)
{
fileAttributes |= fileAttribute;
}
}
logger.Debug("CreateFileProxy : {0}", rawFileName);
logger.Debug("\tCreationDisposition\t{0}", (FileMode)creationDisposition);
logger.Debug("\tFileAccess\t{0}", (FileAccess)rawDesiredAccess);
logger.Debug("\tFileShare\t{0}", (FileShare)rawShareAccess);
logger.Debug("\tFileOptions\t{0}", fileOptions);
logger.Debug("\tFileAttributes\t{0}", fileAttributes);
logger.Debug("\tContext\t{0}", rawFileInfo);
var result = operations.CreateFile(rawFileName,
(FileAccess)rawDesiredAccess,
(FileShare)rawShareAccess,
(FileMode)creationDisposition,
fileOptions,
fileAttributes,
rawFileInfo);
logger.Debug("CreateFileProxy : {0} Return : {1}", rawFileName, result);
return(result);
}
catch (Exception ex)
{
logger.Error("CreateFileProxy : {0} Throw : {1}", rawFileName, ex.Message);
return(DokanResult.Unsuccessful);
}
}
public int CreateFileProxy(string rawFileName, uint rawAccessMode,
uint rawShare, uint rawCreationDisposition, uint rawFlagsAndAttributes,
DokanFileInfo rawFileInfo)
{
try
{
return((int)_operations.CreateFile(rawFileName, (FileAccess)rawAccessMode, (FileShare)rawShare,
(FileMode)rawCreationDisposition,
(FileOptions)(rawFlagsAndAttributes & 0xffffc000), //& 0xffffc000
(FileAttributes)(rawFlagsAndAttributes & 0x3fff), rawFileInfo));
//& 0x3ffflower 14 bits i think are file atributes and rest are file options WRITE_TROUGH etc.
}
catch
{
#if DEBUG
throw;
#else
return(ERROR_FILE_NOT_FOUND);
#endif
}
}
public int CreateFileProxy(IntPtr rawFileName, uint rawAccessMode, uint rawShare, uint rawCreationDisposition, uint rawFlagsAndAttributes, ref DOKAN_FILE_INFO rawFileInfo)
{
try
{
Log.Trace("CreateFileProxy IN rawFileName[{0}], rawAccessMode[{1}], rawShare[{2}], rawCreationDisposition[{3}], rawFlagsAndAttributes[{4}]",
rawFileName, rawAccessMode, rawShare, rawCreationDisposition, rawFlagsAndAttributes);
string file = GetFileName(rawFileName);
DokanFileInfo info = ConvertFileInfo(ref rawFileInfo);
int ret = operations.CreateFile(file, rawAccessMode, rawShare, rawCreationDisposition, rawFlagsAndAttributes, info);
rawFileInfo.Context = info.refFileHandleContext;
rawFileInfo.IsDirectory = Convert.ToByte(info.IsDirectory);
return(ret);
}
catch (Exception ex)
{
Log.ErrorException("CreateFileProxy threw:", ex);
return(Dokan.ERROR_FILE_NOT_FOUND);
}
}
public NtStatus ZwCreateFileProxy(string rawFileName, IntPtr SecurityContext, uint rawDesiredAccess, uint rawFileAttributes,
uint rawShareAccess, uint rawCreateDisposition, uint rawCreateOptions,
DokanFileInfo rawFileInfo)
{
try
{
int FileAttributesAndFlags = 0;
int CreationDisposition = 0;
NativeMethods.DokanMapKernelToUserCreateFileFlags(rawFileAttributes, rawCreateOptions, rawCreateDisposition, ref FileAttributesAndFlags, ref CreationDisposition);
Trace("\nCreateFileProxy : " + rawFileName);
Trace("\tCreationDisposition\t" + (FileMode)CreationDisposition);
Trace("\tFileAccess\t" + (FileAccess)rawDesiredAccess);
Trace("\tFileShare\t" + (FileShare)rawShareAccess);
Trace("\tFileOptions\t" + (FileOptions)(FileAttributesAndFlags & 0xffffc000));
Trace("\tFileAttributes\t" + (FileAttributes)(FileAttributesAndFlags & 0x3fff));
Trace("\tContext\t" + ToTrace(rawFileInfo));
NtStatus result = operations.CreateFile(rawFileName,
(FileAccess)rawDesiredAccess,
(FileShare)rawShareAccess,
(FileMode)CreationDisposition,
(FileOptions)(FileAttributesAndFlags & 0xffffc000),
(FileAttributes)(FileAttributesAndFlags & 0x3fff),
rawFileInfo);
Trace("CreateFileProxy : " + rawFileName + " Return : " + result);
return(result);
}
#pragma warning disable 0168
catch (Exception ex)
#pragma warning restore 0168
{
Trace("CreateFileProxy : " + rawFileName + " Throw : " + ex.Message);
return(DokanResult.Unsuccessful);
}
}
