public static SMBConnection CreateSMBConnection(ISMBClientFactory smbClientFactory, IPAddress address, SMBTransportType transport, ISMBCredential credential, uint maxBufferSize) { var threadId = Thread.CurrentThread.ManagedThreadId; if (credential == null) { throw new ArgumentNullException(nameof(credential)); } lock (_connectionLock) { if (!instances.ContainsKey(threadId)) { instances.Add(threadId, new Dictionary <IPAddress, SMBConnection>()); } if (instances[threadId].ContainsKey(address)) { var instance = instances[threadId][address]; instance._referenceCount += 1; return(instance); } else { var instance = new SMBConnection(smbClientFactory, address, transport, credential, threadId, maxBufferSize); instance.Connect(); instances[threadId].Add(address, instance); return(instance); } } }
internal IDriveInfo FromDriveName(string shareName, ISMBCredential credential) { if (credential == null) { credential = _smbCredentialProvider.GetSMBCredentials().Where(c => c.Path.ShareName().Equals(shareName)).FirstOrDefault(); if (credential == null) { return(null); } } var path = credential.Path; if (!path.TryResolveHostnameFromPath(out var ipAddress)) { throw new ArgumentException($"Unable to resolve \"{path.Hostname()}\""); } NTStatus status = NTStatus.STATUS_SUCCESS; using var connection = SMBConnection.CreateSMBConnection(_smbClientFactory, ipAddress, transport, credential, _maxBufferSize); var relativePath = path.RelativeSharePath(); ISMBFileStore fileStore = connection.SMBClient.TreeConnect(shareName, out status); status.HandleStatus(); var smbFileSystemInformation = new SMBFileSystemInformation(fileStore, path, status); var smbDriveInfo = new SMBDriveInfo(path, _fileSystem, smbFileSystemInformation, credential); return(smbDriveInfo); }
public override bool Exists(string path) { if (!path.IsSharePath()) { return(base.Exists(path)); } try { if (!path.TryResolveHostnameFromPath(out var ipAddress)) { throw new ArgumentException($"Unable to resolve \"{path.Hostname()}\""); } NTStatus status = NTStatus.STATUS_SUCCESS; var credential = _credentialProvider.GetSMBCredential(path); using (var connection = SMBConnection.CreateSMBConnection(_smbClientFactory, ipAddress, transport, credential, _maxBufferSize)) { var shareName = path.ShareName(); var directoryPath = _fileSystem.Path.GetDirectoryName(path); var fileName = _fileSystem.Path.GetFileName(path); ISMBFileStore fileStore = connection.SMBClient.TreeConnect(shareName, out status); status.HandleStatus(); status = fileStore.CreateFile(out object handle, out FileStatus fileStatus, directoryPath, AccessMask.GENERIC_READ, 0, ShareAccess.Read, CreateDisposition.FILE_OPEN, CreateOptions.FILE_DIRECTORY_FILE, null); status.HandleStatus(); fileStore.QueryDirectory(out List <QueryDirectoryFileInformation> queryDirectoryFileInformation, handle, string.IsNullOrEmpty(fileName) ? "*" : fileName, FileInformationClass.FileDirectoryInformation); foreach (var file in queryDirectoryFileInformation) { if (file.FileInformationClass == FileInformationClass.FileDirectoryInformation) { FileDirectoryInformation fileDirectoryInformation = (FileDirectoryInformation)file; if (fileDirectoryInformation.FileName == fileName) { fileStore.CloseFile(handle); return(true); } } } fileStore.CloseFile(handle); } return(false); } catch { return(false); } }
public SMBStream(ISMBFileStore fileStore, object fileHandle, SMBConnection connection, long fileLength) { _fileStore = fileStore; _fileHandle = fileHandle; _connection = connection; _maxReadSize = Convert.ToInt32(_connection.SMBClient.MaxReadSize); _maxWriteSize = Convert.ToInt32(_connection.SMBClient.MaxWriteSize); _length = fileLength; }
internal void SaveDirectoryInfo(SMBDirectoryInfo dirInfo, ISMBCredential credential = null) { var path = dirInfo.FullName; if (!path.TryResolveHostnameFromPath(out var ipAddress)) { throw new SMBException($"Failed to SaveDirectoryInfo for {path}", new ArgumentException($"Unable to resolve \"{path.Hostname()}\"")); } NTStatus status = NTStatus.STATUS_SUCCESS; if (credential == null) { credential = _credentialProvider.GetSMBCredential(path); } if (credential == null) { throw new SMBException($"Failed to SaveDirectoryInfo for {path}", new InvalidCredentialException($"Unable to find credential for path: {path}")); } ISMBFileStore fileStore = null; object handle = null; try { var shareName = path.ShareName(); var relativePath = path.RelativeSharePath(); _logger?.LogTrace($"Trying to SaveDirectoryInfo {{RelativePath: {relativePath}}} for {{ShareName: {shareName}}}"); using var connection = SMBConnection.CreateSMBConnection(_smbClientFactory, ipAddress, transport, credential, _maxBufferSize); fileStore = connection.SMBClient.TreeConnect(shareName, out status); status.HandleStatus(); status = fileStore.CreateFile(out handle, out FileStatus fileStatus, relativePath, AccessMask.GENERIC_WRITE, 0, ShareAccess.Read, CreateDisposition.FILE_OPEN, CreateOptions.FILE_DIRECTORY_FILE, null); status.HandleStatus(); var fileInfo = dirInfo.ToSMBFileInformation(credential); status = fileStore.SetFileInformation(handle, fileInfo); status.HandleStatus(); } catch (Exception ex) { throw new SMBException($"Failed to SaveDirectoryInfo for {path}", ex); } finally { FileStoreUtilities.CloseFile(fileStore, ref handle); } }
public SMBStream(ISMBFileStore fileStore, object fileHandle, SMBConnection connection, long fileLength, ISmbFileSystemSettings smbFileSystemSettings = null) { _smbFileSystemSettings = smbFileSystemSettings ?? new SmbFileSystemSettings(); _fileStore = fileStore; _fileHandle = fileHandle; _connection = connection; _maxReadSize = Convert.ToInt32(_connection.SMBClient.MaxReadSize); _maxWriteSize = Convert.ToInt32(_connection.SMBClient.MaxWriteSize); _length = fileLength; }
internal void Delete(string path, ISMBCredential credential) { if (!path.IsSharePath()) { base.Delete(path); return; } if (!path.TryResolveHostnameFromPath(out var ipAddress)) { throw new ArgumentException($"Unable to resolve \"{path.Hostname()}\""); } NTStatus status = NTStatus.STATUS_SUCCESS; if (credential == null) { credential = _credentialProvider.GetSMBCredential(path); } if (EnumerateFileSystemEntries(path).Count() > 0) { throw new IOException("Cannot delete directory. Directory is not empty."); } using (var connection = SMBConnection.CreateSMBConnection(_smbClientFactory, ipAddress, transport, credential, _maxBufferSize)) { var shareName = path.ShareName(); var relativePath = path.RelativeSharePath(); ISMBFileStore fileStore = connection.SMBClient.TreeConnect(shareName, out status); status.HandleStatus(); int attempts = 0; int allowedRetrys = 3; object handle; do { attempts++; status = fileStore.CreateFile(out handle, out FileStatus fileStatus, relativePath, AccessMask.DELETE, 0, ShareAccess.Delete, CreateDisposition.FILE_OPEN, CreateOptions.FILE_DELETE_ON_CLOSE, null); }while (status == NTStatus.STATUS_PENDING && attempts < allowedRetrys); status.HandleStatus(); // This is the correct delete command, but it doesn't work for some reason. You have to use FILE_DELETE_ON_CLOSE // fileStore.SetFileInformation(handle, new FileDispositionInformation()); fileStore.CloseFile(handle); } }
public static SMBConnection CreateSMBConnectionForStream(ISMBClientFactory smbClientFactory, IPAddress address, SMBTransportType transport, ISMBCredential credential, uint maxBufferSize) { if (credential == null) { throw new ArgumentNullException(nameof(credential)); } // Create new connection var instance = new SMBConnection(smbClientFactory, address, transport, credential, -1, maxBufferSize); instance.Connect(); return(instance); }
internal IDirectoryInfo FromDirectoryName(string path, ISMBCredential credential) { if (!path.IsSharePath() || !path.IsValidSharePath()) { return(null); } if (!path.TryResolveHostnameFromPath(out var ipAddress)) { throw new ArgumentException($"Unable to resolve \"{path.Hostname()}\""); } NTStatus status = NTStatus.STATUS_SUCCESS; if (credential == null) { credential = _credentialProvider.GetSMBCredential(path); } if (credential == null) { throw new Exception($"Unable to find credential for path: {path}"); } using var connection = SMBConnection.CreateSMBConnection(_smbClientFactory, ipAddress, transport, credential, _maxBufferSize); var shareName = path.ShareName(); var relativePath = path.RelativeSharePath(); ISMBFileStore fileStore = connection.SMBClient.TreeConnect(shareName, out status); status.HandleStatus(); status = fileStore.CreateFile(out object handle, out FileStatus fileStatus, relativePath, AccessMask.GENERIC_READ, 0, ShareAccess.Read, CreateDisposition.FILE_OPEN, CreateOptions.FILE_DIRECTORY_FILE, null); status.HandleStatus(); status = fileStore.GetFileInformation(out FileInformation fileInfo, handle, FileInformationClass.FileBasicInformation); // If you call this with any other FileInformationClass value // it doesn't work for some reason if (status != NTStatus.STATUS_SUCCESS) { return(null); } return(new SMBDirectoryInfo(path, fileInfo, _fileSystem, _credentialProvider, credential)); }
public override void Delete(string path) { if (!path.IsSharePath()) { base.Delete(path); return; } if (!path.TryResolveHostnameFromPath(out var ipAddress)) { throw new ArgumentException($"Unable to resolve \"{path.Hostname()}\""); } NTStatus status = NTStatus.STATUS_SUCCESS; var credential = _credentialProvider.GetSMBCredential(path); using (var connection = SMBConnection.CreateSMBConnection(_smbClientFactory, ipAddress, transport, credential, _maxBufferSize)) { var shareName = path.ShareName(); var relativePath = path.RelativeSharePath(); var directoryPath = _fileSystem.Path.GetDirectoryName(relativePath); ISMBFileStore fileStore = connection.SMBClient.TreeConnect(shareName, out status); status.HandleStatus(); int attempts = 0; int allowedRetrys = 3; object handle; do { attempts++; status = fileStore.CreateFile(out handle, out FileStatus fileStatus, relativePath, AccessMask.DELETE, 0, ShareAccess.Read, CreateDisposition.FILE_OPEN, CreateOptions.FILE_DELETE_ON_CLOSE, null); }while (status == NTStatus.STATUS_PENDING && attempts < allowedRetrys); status.HandleStatus(); // There should be a seperate option to delete, but it doesn't seem to exsist in the library we are using, so this should work for now. Really hacky though. fileStore.CloseFile(handle); } }
internal void SaveDirectoryInfo(SMBDirectoryInfo dirInfo, ISMBCredential credential = null) { var path = dirInfo.FullName; if (!path.TryResolveHostnameFromPath(out var ipAddress)) { throw new ArgumentException($"Unable to resolve \"{path.Hostname()}\""); } NTStatus status = NTStatus.STATUS_SUCCESS; if (credential == null) { credential = _credentialProvider.GetSMBCredential(path); } if (credential == null) { throw new Exception($"Unable to find credential for path: {path}"); } using var connection = SMBConnection.CreateSMBConnection(_smbClientFactory, ipAddress, transport, credential, _maxBufferSize); var shareName = path.ShareName(); var relativePath = path.RelativeSharePath(); ISMBFileStore fileStore = connection.SMBClient.TreeConnect(shareName, out status); status.HandleStatus(); status = fileStore.CreateFile(out object handle, out FileStatus fileStatus, relativePath, AccessMask.GENERIC_WRITE, 0, ShareAccess.Read, CreateDisposition.FILE_OPEN, CreateOptions.FILE_DIRECTORY_FILE, null); status.HandleStatus(); var fileInfo = dirInfo.ToSMBFileInformation(credential); status = fileStore.SetFileInformation(handle, fileInfo); status.HandleStatus(); }
public override void Delete(string path) { if (!path.IsSharePath()) { base.Delete(path); return; } if (!path.TryResolveHostnameFromPath(out var ipAddress)) { throw new SMBException($"Failed to Delete {path}", new ArgumentException($"Unable to resolve \"{path.Hostname()}\"")); } var credential = _credentialProvider.GetSMBCredential(path); if (credential == null) { throw new SMBException($"Failed to Delete {path}", new InvalidCredentialException($"Unable to find credential in SMBCredentialProvider for path: {path}")); } ISMBFileStore fileStore = null; object handle = null; try { var shareName = path.ShareName(); var relativePath = path.RelativeSharePath(); _logger?.LogTrace($"Trying to Delete {{RelativePath: {relativePath}}} for {{ShareName: {shareName}}}"); using (var connection = SMBConnection.CreateSMBConnection(_smbClientFactory, ipAddress, transport, credential, _maxBufferSize)) { fileStore = connection.SMBClient.TreeConnect(shareName, out var status); status.HandleStatus(); AccessMask accessMask = AccessMask.SYNCHRONIZE | AccessMask.DELETE; ShareAccess shareAccess = ShareAccess.Read | ShareAccess.Delete; CreateDisposition disposition = CreateDisposition.FILE_OPEN; CreateOptions createOptions = CreateOptions.FILE_SYNCHRONOUS_IO_NONALERT | CreateOptions.FILE_DELETE_ON_CLOSE; var stopwatch = new Stopwatch(); stopwatch.Start(); do { if (status == NTStatus.STATUS_PENDING) { _logger.LogTrace($"STATUS_PENDING while trying to delete file {path}. {stopwatch.Elapsed.TotalSeconds}/{_smbFileSystemSettings.ClientSessionTimeout} seconds elapsed."); } status = fileStore.CreateFile(out handle, out FileStatus fileStatus, relativePath, accessMask, 0, shareAccess, disposition, createOptions, null); }while (status == NTStatus.STATUS_PENDING && stopwatch.Elapsed.TotalSeconds <= _smbFileSystemSettings.ClientSessionTimeout); stopwatch.Stop(); status.HandleStatus(); // There should be a seperate option to delete, but it doesn't seem to exsist in the library we are using, so this should work for now. Really hacky though. FileStoreUtilities.CloseFile(fileStore, ref handle); } } catch (Exception ex) { throw new SMBException($"Failed to Delete {path}", ex); } finally { FileStoreUtilities.CloseFile(fileStore, ref handle); } }
private IEnumerable <string> EnumerateFileSystemEntries(string path, string searchPattern, SearchOption searchOption, ISMBCredential credential) { if (!path.IsSharePath()) { return(base.EnumerateFileSystemEntries(path, searchPattern, searchOption)); } if (!path.TryResolveHostnameFromPath(out var ipAddress)) { throw new ArgumentException($"Unable to resolve \"{path.Hostname()}\""); } NTStatus status = NTStatus.STATUS_SUCCESS; if (credential == null) { credential = _credentialProvider.GetSMBCredential(path); } using (var connection = SMBConnection.CreateSMBConnection(_smbClientFactory, ipAddress, transport, credential, _maxBufferSize)) { var shareName = path.ShareName(); var relativePath = path.RelativeSharePath(); ISMBFileStore fileStore = connection.SMBClient.TreeConnect(shareName, out status); status.HandleStatus(); status = fileStore.CreateFile(out object handle, out FileStatus fileStatus, relativePath, AccessMask.GENERIC_READ, 0, ShareAccess.Read, CreateDisposition.FILE_OPEN, CreateOptions.FILE_DIRECTORY_FILE, null); status.HandleStatus(); fileStore.QueryDirectory(out List <QueryDirectoryFileInformation> queryDirectoryFileInformation, handle, searchPattern, FileInformationClass.FileDirectoryInformation); List <string> files = new List <string>(); foreach (var file in queryDirectoryFileInformation) { if (file.FileInformationClass == FileInformationClass.FileDirectoryInformation) { FileDirectoryInformation fileDirectoryInformation = (FileDirectoryInformation)file; if (fileDirectoryInformation.FileName == "." || fileDirectoryInformation.FileName == ".." || fileDirectoryInformation.FileName == ".DS_Store") { continue; } if (fileDirectoryInformation.FileAttributes.HasFlag(SMBLibrary.FileAttributes.Directory)) { if (searchOption == SearchOption.AllDirectories) { files.AddRange(EnumerateFileSystemEntries(_fileSystem.Path.Combine(path, fileDirectoryInformation.FileName), searchPattern, searchOption, credential)); } } files.Add(_fileSystem.Path.Combine(path, fileDirectoryInformation.FileName)); } } fileStore.CloseFile(handle); return(files); } }
internal IDriveInfo[] GetDrives(ISMBCredential smbCredential) { var credentialsToCheck = new List <ISMBCredential>(); credentialsToCheck = _smbCredentialProvider.GetSMBCredentials().ToList(); List <IDriveInfo> driveInfos = new List <IDriveInfo>(); if (smbCredential == null && credentialsToCheck.Count == 0) { _logger?.LogTrace($"No provided credentials and no credentials stored credentials in SMBCredentialProvider."); return(driveInfos.ToArray()); } NTStatus status = NTStatus.STATUS_SUCCESS; var shareHostNames = new List <string>(); if (smbCredential != null) { credentialsToCheck.Add(smbCredential); } else { credentialsToCheck = _smbCredentialProvider.GetSMBCredentials().ToList(); } shareHostNames = credentialsToCheck.Select(smbCredential => smbCredential.Path.Hostname()).Distinct().ToList(); var shareHostShareNames = new Dictionary <string, IEnumerable <string> >(); foreach (var shareHost in shareHostNames) { var credential = credentialsToCheck.Where(smbCredential => smbCredential.Path.Hostname().Equals(shareHost)).First(); try { var path = credential.Path; if (!path.TryResolveHostnameFromPath(out var ipAddress)) { throw new SMBException($"Failed to connect to {path.Hostname()}", new ArgumentException($"Unable to resolve \"{path.Hostname()}\"")); } using var connection = SMBConnection.CreateSMBConnection(_smbClientFactory, ipAddress, transport, credential, _maxBufferSize); var shareNames = connection.SMBClient.ListShares(out status); var shareDirectoryInfoFactory = new SMBDirectoryInfoFactory(_fileSystem, _smbCredentialProvider, _smbClientFactory, _maxBufferSize); foreach (var shareName in shareNames) { var sharePath = path.BuildSharePath(shareName); var relativeSharePath = sharePath.RelativeSharePath(); _logger?.LogTrace($"Trying to get drive info for {shareName}"); try { ISMBFileStore fileStore = connection.SMBClient.TreeConnect(shareName, out status); status.HandleStatus(); var smbFileSystemInformation = new SMBFileSystemInformation(fileStore, sharePath, status); var smbDriveInfo = new SMBDriveInfo(sharePath, _fileSystem, smbFileSystemInformation, credential); driveInfos.Add(smbDriveInfo); } catch (IOException ioEx) { _logger?.LogTrace(ioEx, $"Failed to get drive info for {shareName}"); throw new SMBException($"Failed to get drive info for {shareName}", new AggregateException($"Unable to connect to {shareName}", ioEx)); } catch (Exception ex) { _logger?.LogTrace(ex, $"Failed to get drive info for {shareName}"); continue; } } } catch (Exception ex) { _logger?.LogTrace(ex, $"Failed to GetDrives for {shareHost}."); continue; } } return(driveInfos.ToArray()); }
public void Delete(string path, bool recursive, ISMBCredential credential) { if (!path.IsSharePath()) { base.Delete(path, recursive); return; } if (recursive) { if (!path.TryResolveHostnameFromPath(out var ipAddress)) { throw new ArgumentException($"Unable to resolve \"{path.Hostname()}\""); } NTStatus status = NTStatus.STATUS_SUCCESS; if (credential == null) { credential = _credentialProvider.GetSMBCredential(path); } using (var connection = SMBConnection.CreateSMBConnection(_smbClientFactory, ipAddress, transport, credential, _maxBufferSize)) { var shareName = path.ShareName(); var relativePath = path.RelativeSharePath(); ISMBFileStore fileStore = connection.SMBClient.TreeConnect(shareName, out status); status.HandleStatus(); int attempts = 0; int allowedRetrys = 3; object handle; do { attempts++; status = fileStore.CreateFile(out handle, out FileStatus fileStatus, relativePath, AccessMask.GENERIC_READ, 0, ShareAccess.Delete, CreateDisposition.FILE_OPEN, CreateOptions.FILE_DIRECTORY_FILE, null); }while (status == NTStatus.STATUS_PENDING && attempts < allowedRetrys); status.HandleStatus(); fileStore.QueryDirectory(out List <QueryDirectoryFileInformation> queryDirectoryFileInformation, handle, "*", FileInformationClass.FileDirectoryInformation); foreach (var file in queryDirectoryFileInformation) { if (file.FileInformationClass == FileInformationClass.FileDirectoryInformation) { FileDirectoryInformation fileDirectoryInformation = (FileDirectoryInformation)file; if (fileDirectoryInformation.FileName == "." || fileDirectoryInformation.FileName == ".." || fileDirectoryInformation.FileName == ".DS_Store") { continue; } else if (fileDirectoryInformation.FileAttributes.HasFlag(SMBLibrary.FileAttributes.Directory)) { Delete(_fileSystem.Path.Combine(path, fileDirectoryInformation.FileName), recursive, credential); } _fileSystem.File.Delete(_fileSystem.Path.Combine(path, fileDirectoryInformation.FileName)); } } fileStore.CloseFile(handle); Delete(path, credential); } } else { Delete(path); } }
private IDirectoryInfo CreateDirectory(string path, ISMBCredential credential) { if (!path.IsSharePath()) { return(base.CreateDirectory(path)); } if (!path.TryResolveHostnameFromPath(out var ipAddress)) { throw new ArgumentException($"Unable to resolve \"{path.Hostname()}\""); } NTStatus status = NTStatus.STATUS_SUCCESS; AccessMask accessMask = AccessMask.MAXIMUM_ALLOWED; ShareAccess shareAccess = ShareAccess.Read; CreateDisposition disposition = CreateDisposition.FILE_OPEN_IF; CreateOptions createOptions = CreateOptions.FILE_DIRECTORY_FILE; if (credential == null) { credential = _credentialProvider.GetSMBCredential(path); } if (credential == null) { throw new Exception($"Unable to find credential for path: {path}"); } using var connection = SMBConnection.CreateSMBConnection(_smbClientFactory, ipAddress, transport, credential, _maxBufferSize); var shareName = path.ShareName(); var relativePath = path.RelativeSharePath(); ISMBFileStore fileStore = connection.SMBClient.TreeConnect(shareName, out status); status.HandleStatus(); int attempts = 0; int allowedRetrys = 3; object handle; do { attempts++; status = fileStore.CreateFile(out handle, out FileStatus fileStatus, relativePath, accessMask, 0, shareAccess, disposition, createOptions, null); if (status == NTStatus.STATUS_OBJECT_PATH_NOT_FOUND) { CreateDirectory(path.GetParentPath(), credential); status = fileStore.CreateFile(out handle, out fileStatus, relativePath, accessMask, 0, shareAccess, disposition, createOptions, null); } }while (status == NTStatus.STATUS_PENDING && attempts < allowedRetrys); status.HandleStatus(); fileStore.CloseFile(handle); return(_directoryInfoFactory.FromDirectoryName(path, credential)); }
public void Delete(string path, bool recursive, ISMBCredential credential) { if (!path.IsSharePath()) { base.Delete(path, recursive); return; } if (recursive) { if (!path.TryResolveHostnameFromPath(out var ipAddress)) { throw new SMBException($"Failed to Delete {path}", new ArgumentException($"Unable to resolve \"{path.Hostname()}\"")); } if (credential == null) { credential = _credentialProvider.GetSMBCredential(path); } if (credential == null) { throw new SMBException($"Failed to Delete {path}", new InvalidCredentialException("Unable to find credential in SMBCredentialProvider for path: {path}")); } ISMBFileStore fileStore = null; object handle = null; try { var shareName = path.ShareName(); var relativePath = path.RelativeSharePath(); _logger?.LogTrace($"Trying to Delete {{RelativePath: {relativePath}}} for {{ShareName: {shareName}}}"); using (var connection = SMBConnection.CreateSMBConnection(_smbClientFactory, ipAddress, transport, credential, _maxBufferSize)) { fileStore = connection.SMBClient.TreeConnect(shareName, out var status); status.HandleStatus(); AccessMask accessMask = AccessMask.SYNCHRONIZE | AccessMask.GENERIC_READ; ShareAccess shareAccess = ShareAccess.Delete; CreateDisposition disposition = CreateDisposition.FILE_OPEN; CreateOptions createOptions = CreateOptions.FILE_SYNCHRONOUS_IO_NONALERT | CreateOptions.FILE_DIRECTORY_FILE; var stopwatch = new Stopwatch(); stopwatch.Start(); do { if (status == NTStatus.STATUS_PENDING) { _logger.LogTrace($"STATUS_PENDING while trying to delete directory {path}. {stopwatch.Elapsed.TotalSeconds}/{_smbFileSystemSettings.ClientSessionTimeout} seconds elapsed."); } status = fileStore.CreateFile(out handle, out FileStatus fileStatus, relativePath, accessMask, 0, shareAccess, disposition, createOptions, null); } while (status == NTStatus.STATUS_PENDING && stopwatch.Elapsed.TotalSeconds <= _smbFileSystemSettings.ClientSessionTimeout); stopwatch.Stop(); status.HandleStatus(); fileStore.QueryDirectory(out List <QueryDirectoryFileInformation> queryDirectoryFileInformation, handle, "*", FileInformationClass.FileDirectoryInformation); foreach (var file in queryDirectoryFileInformation) { if (file.FileInformationClass == FileInformationClass.FileDirectoryInformation) { FileDirectoryInformation fileDirectoryInformation = (FileDirectoryInformation)file; if (fileDirectoryInformation.FileName == "." || fileDirectoryInformation.FileName == ".." || fileDirectoryInformation.FileName == ".DS_Store") { continue; } else if (fileDirectoryInformation.FileAttributes.HasFlag(SMBLibrary.FileAttributes.Directory)) { Delete(_fileSystem.Path.Combine(path, fileDirectoryInformation.FileName), recursive, credential); } _fileSystem.File.Delete(_fileSystem.Path.Combine(path, fileDirectoryInformation.FileName)); } } FileStoreUtilities.CloseFile(fileStore, ref handle); Delete(path, credential); } } catch (Exception ex) { throw new SMBException($"Failed to Delete {path}", ex); } finally { FileStoreUtilities.CloseFile(fileStore, ref handle); } } else { Delete(path); } }
private IEnumerable <string> EnumerateFiles(string path, string searchPattern, SearchOption searchOption, ISMBCredential credential) { if (!path.IsSharePath()) { return(base.EnumerateFiles(path, searchPattern, searchOption)); } if (!path.TryResolveHostnameFromPath(out var ipAddress)) { throw new SMBException($"Failed to EnumerateFiles for {path}", new ArgumentException($"Unable to resolve \"{path.Hostname()}\"")); } NTStatus status = NTStatus.STATUS_SUCCESS; if (credential == null) { credential = _credentialProvider.GetSMBCredential(path); } if (credential == null) { throw new SMBException($"Failed to EnumerateFiles for {path}", new InvalidCredentialException($"Unable to find credential in SMBCredentialProvider for path: {path}")); } ISMBFileStore fileStore = null; object handle = null; try { var shareName = path.ShareName(); var relativePath = path.RelativeSharePath(); _logger?.LogTrace($"Trying to EnumerateFiles for {{RelativePath: {relativePath}}} for {{ShareName: {shareName}}}"); using (var connection = SMBConnection.CreateSMBConnection(_smbClientFactory, ipAddress, transport, credential, _maxBufferSize)) { fileStore = connection.SMBClient.TreeConnect(shareName, out status); status.HandleStatus(); status = fileStore.CreateFile(out handle, out FileStatus fileStatus, relativePath, AccessMask.GENERIC_READ, 0, ShareAccess.Read, CreateDisposition.FILE_OPEN, CreateOptions.FILE_DIRECTORY_FILE, null); status.HandleStatus(); fileStore.QueryDirectory(out List <QueryDirectoryFileInformation> queryDirectoryFileInformation, handle, searchPattern, FileInformationClass.FileDirectoryInformation); _logger?.LogTrace($"Found {queryDirectoryFileInformation.Count} FileDirectoryInformation for {path}"); List <string> files = new List <string>(); foreach (var file in queryDirectoryFileInformation) { if (file.FileInformationClass == FileInformationClass.FileDirectoryInformation) { FileDirectoryInformation fileDirectoryInformation = (FileDirectoryInformation)file; if (fileDirectoryInformation.FileName == "." || fileDirectoryInformation.FileName == ".." || fileDirectoryInformation.FileName == ".DS_Store") { continue; } if (fileDirectoryInformation.FileAttributes.HasFlag(SMBLibrary.FileAttributes.Directory)) { if (searchOption == SearchOption.AllDirectories) { files.AddRange(EnumerateFiles(_fileSystem.Path.Combine(path, fileDirectoryInformation.FileName), searchPattern, searchOption, credential)); } } else { files.Add(_fileSystem.Path.Combine(path, fileDirectoryInformation.FileName.RemoveLeadingAndTrailingSeperators())); } } } FileStoreUtilities.CloseFile(fileStore, ref handle); return(files); } } catch (Exception ex) { throw new SMBException($"Failed to EnumerateFiles {path}", ex); } finally { FileStoreUtilities.CloseFile(fileStore, ref handle); } }
internal Stream Open(string path, FileMode mode, FileAccess access, FileShare share, FileOptions fileOptions, ISMBCredential credential) { if (!path.TryResolveHostnameFromPath(out var ipAddress)) { throw new ArgumentException($"Unable to resolve \"{path.Hostname()}\""); } NTStatus status = NTStatus.STATUS_SUCCESS; AccessMask accessMask = AccessMask.MAXIMUM_ALLOWED; ShareAccess shareAccess = ShareAccess.None; CreateDisposition disposition = CreateDisposition.FILE_OPEN; CreateOptions createOptions; switch (fileOptions) { case FileOptions.DeleteOnClose: createOptions = CreateOptions.FILE_DELETE_ON_CLOSE; break; case FileOptions.RandomAccess: createOptions = CreateOptions.FILE_RANDOM_ACCESS; break; case FileOptions.SequentialScan: createOptions = CreateOptions.FILE_SEQUENTIAL_ONLY; break; case FileOptions.WriteThrough: createOptions = CreateOptions.FILE_WRITE_THROUGH; break; case FileOptions.None: case FileOptions.Encrypted: // These two are not suported unless I am missing something case FileOptions.Asynchronous: // default: createOptions = CreateOptions.FILE_NON_DIRECTORY_FILE; break; } switch (access) { case FileAccess.Read: accessMask = AccessMask.GENERIC_READ; shareAccess = ShareAccess.Read; break; case FileAccess.Write: accessMask = AccessMask.GENERIC_WRITE; shareAccess = ShareAccess.Write; break; case FileAccess.ReadWrite: accessMask = AccessMask.GENERIC_ALL; shareAccess = ShareAccess.Write; break; } if (credential == null) { credential = _credentialProvider.GetSMBCredential(path); } if (credential == null) { throw new Exception($"Unable to find credential for path: {path}"); } var connection = SMBConnection.CreateSMBConnection(_smbClientFactory, ipAddress, transport, credential, _maxBufferSize); var shareName = path.ShareName(); var relativePath = path.RelativeSharePath(); ISMBFileStore fileStore = connection.SMBClient.TreeConnect(shareName, out status); status.HandleStatus(); switch (mode) { case FileMode.Create: disposition = CreateDisposition.FILE_CREATE; break; case FileMode.CreateNew: disposition = CreateDisposition.FILE_OVERWRITE; break; case FileMode.Open: disposition = CreateDisposition.FILE_OPEN; break; case FileMode.OpenOrCreate: disposition = Exists(path) ? CreateDisposition.FILE_OPEN : CreateDisposition.FILE_CREATE; break; } int getInfoAttempts = 0; int getInfoAllowedRetrys = 5; object handle; FileInformation fileInfo; do { getInfoAttempts++; int openAttempts = 0; int openAllowedRetrys = 5; do { openAttempts++; status = fileStore.CreateFile(out handle, out FileStatus fileStatus, relativePath, accessMask, 0, shareAccess, disposition, createOptions, null); }while (status == NTStatus.STATUS_PENDING && openAttempts < openAllowedRetrys); status.HandleStatus(); status = fileStore.GetFileInformation(out fileInfo, handle, FileInformationClass.FileStandardInformation); }while (status == NTStatus.STATUS_NETWORK_NAME_DELETED && getInfoAttempts < getInfoAllowedRetrys); status.HandleStatus(); var fileStandardInfo = (FileStandardInformation)fileInfo; Stream s = new SMBStream(fileStore, handle, connection, fileStandardInfo.EndOfFile); if (mode == FileMode.Append) { s.Seek(0, SeekOrigin.End); } return(s); }
public override bool Exists(string path) { if (!path.IsSharePath()) { return(base.Exists(path)); } ISMBFileStore fileStore = null; object handle = null; try { if (!path.TryResolveHostnameFromPath(out var ipAddress)) { throw new SMBException($"Failed to determine if {path} exists", new ArgumentException($"Unable to resolve \"{path.Hostname()}\"")); } NTStatus status = NTStatus.STATUS_SUCCESS; var credential = _credentialProvider.GetSMBCredential(path); using (var connection = SMBConnection.CreateSMBConnection(_smbClientFactory, ipAddress, transport, credential, _maxBufferSize)) { var shareName = path.ShareName(); var directoryPath = _fileSystem.Path.GetDirectoryName(path).Replace(path.SharePath(), "").RemoveLeadingAndTrailingSeperators(); var fileName = _fileSystem.Path.GetFileName(path); _logger?.LogTrace($"Trying to determine if {{DirectoryPath: {directoryPath}}} {{FileName: {fileName}}} Exists for {{ShareName: {shareName}}}"); fileStore = connection.SMBClient.TreeConnect(shareName, out status); status.HandleStatus(); AccessMask accessMask = AccessMask.SYNCHRONIZE | AccessMask.GENERIC_READ; ShareAccess shareAccess = ShareAccess.Read; CreateDisposition disposition = CreateDisposition.FILE_OPEN; CreateOptions createOptions = CreateOptions.FILE_SYNCHRONOUS_IO_NONALERT | CreateOptions.FILE_DIRECTORY_FILE; status = fileStore.CreateFile(out handle, out FileStatus fileStatus, directoryPath, accessMask, 0, shareAccess, disposition, createOptions, null); status.HandleStatus(); fileStore.QueryDirectory(out List <QueryDirectoryFileInformation> queryDirectoryFileInformation, handle, string.IsNullOrEmpty(fileName) ? "*" : fileName, FileInformationClass.FileDirectoryInformation); foreach (var file in queryDirectoryFileInformation) { if (file.FileInformationClass == FileInformationClass.FileDirectoryInformation) { FileDirectoryInformation fileDirectoryInformation = (FileDirectoryInformation)file; if (fileDirectoryInformation.FileName == fileName) { FileStoreUtilities.CloseFile(fileStore, ref handle); return(true); } } } FileStoreUtilities.CloseFile(fileStore, ref handle); } return(false); } catch (Exception ex) { _logger?.LogTrace(ex, $"Failed to determine if {path} exists."); return(false); } finally { FileStoreUtilities.CloseFile(fileStore, ref handle); } }
private IDirectoryInfo CreateDirectory(string path, ISMBCredential credential) { if (!path.IsSharePath()) { return(base.CreateDirectory(path)); } if (!path.TryResolveHostnameFromPath(out var ipAddress)) { throw new SMBException($"Failed to CreateDirectory {path}", new ArgumentException($"Unable to resolve \"{path.Hostname()}\"")); } if (credential == null) { credential = _credentialProvider.GetSMBCredential(path); } if (credential == null) { throw new SMBException($"Failed to CreateDirectory {path}", new InvalidCredentialException($"Unable to find credential in SMBCredentialProvider for path: {path}")); } if (Exists(path)) { return(_directoryInfoFactory.FromDirectoryName(path)); } ISMBFileStore fileStore = null; object handle = null; try { var shareName = path.ShareName(); var relativePath = path.RelativeSharePath(); _logger?.LogTrace($"Trying to CreateDirectory {{RelativePath: {relativePath}}} for {{ShareName: {shareName}}}"); using var connection = SMBConnection.CreateSMBConnection(_smbClientFactory, ipAddress, transport, credential, _maxBufferSize); fileStore = connection.SMBClient.TreeConnect(shareName, out var status); status.HandleStatus(); AccessMask accessMask = AccessMask.SYNCHRONIZE | AccessMask.MAXIMUM_ALLOWED; ShareAccess shareAccess = ShareAccess.Read | ShareAccess.Write; CreateDisposition disposition = CreateDisposition.FILE_OPEN_IF; CreateOptions createOptions = CreateOptions.FILE_SYNCHRONOUS_IO_NONALERT | CreateOptions.FILE_DIRECTORY_FILE; var stopwatch = new Stopwatch(); stopwatch.Start(); do { if (status == NTStatus.STATUS_PENDING) { _logger.LogTrace($"STATUS_PENDING while trying to create directory {path}. {stopwatch.Elapsed.TotalSeconds}/{_smbFileSystemSettings.ClientSessionTimeout} seconds elapsed."); } status = fileStore.CreateFile(out handle, out FileStatus fileStatus, relativePath, accessMask, 0, shareAccess, disposition, createOptions, null); if (status == NTStatus.STATUS_OBJECT_PATH_NOT_FOUND) { CreateDirectory(path.GetParentPath(), credential); status = fileStore.CreateFile(out handle, out fileStatus, relativePath, accessMask, 0, shareAccess, disposition, createOptions, null); } } while (status == NTStatus.STATUS_PENDING && stopwatch.Elapsed.TotalSeconds <= _smbFileSystemSettings.ClientSessionTimeout); stopwatch.Stop(); status.HandleStatus(); FileStoreUtilities.CloseFile(fileStore, ref handle); return(_directoryInfoFactory.FromDirectoryName(path, credential)); } catch (Exception ex) { throw new SMBException($"Failed to CreateDirectory {path}", ex); } finally { FileStoreUtilities.CloseFile(fileStore, ref handle); } }
internal void Delete(string path, ISMBCredential credential) { if (!path.IsSharePath()) { base.Delete(path); return; } if (!path.TryResolveHostnameFromPath(out var ipAddress)) { throw new SMBException($"Failed to Delete {path}", new ArgumentException($"Unable to resolve \"{path.Hostname()}\"")); } if (!Exists(path)) { return; } NTStatus status = NTStatus.STATUS_SUCCESS; if (credential == null) { credential = _credentialProvider.GetSMBCredential(path); } if (credential == null) { throw new SMBException($"Failed to Delete {path}", new InvalidCredentialException($"Unable to find credential in SMBCredentialProvider for path: {path}")); } if (EnumerateFileSystemEntries(path).Count() > 0) { throw new SMBException($"Failed to Delete {path}", new IOException("Cannot delete directory. Directory is not empty.")); } ISMBFileStore fileStore = null; object handle = null; try { var shareName = path.ShareName(); var relativePath = path.RelativeSharePath(); _logger?.LogTrace($"Trying to Delete {{RelativePath: {relativePath}}} for {{ShareName: {shareName}}}"); using (var connection = SMBConnection.CreateSMBConnection(_smbClientFactory, ipAddress, transport, credential, _maxBufferSize)) { fileStore = connection.SMBClient.TreeConnect(shareName, out status); status.HandleStatus(); AccessMask accessMask = AccessMask.SYNCHRONIZE | AccessMask.DELETE; ShareAccess shareAccess = ShareAccess.Delete; CreateDisposition disposition = CreateDisposition.FILE_OPEN; CreateOptions createOptions = CreateOptions.FILE_SYNCHRONOUS_IO_NONALERT | CreateOptions.FILE_DELETE_ON_CLOSE; var stopwatch = new Stopwatch(); stopwatch.Start(); do { if (status == NTStatus.STATUS_PENDING) { _logger.LogTrace($"STATUS_PENDING while trying to delete directory {path}. {stopwatch.Elapsed.TotalSeconds}/{_smbFileSystemSettings.ClientSessionTimeout} seconds elapsed."); } status = fileStore.CreateFile(out handle, out FileStatus fileStatus, relativePath, accessMask, 0, shareAccess, disposition, createOptions, null); }while (status == NTStatus.STATUS_PENDING && stopwatch.Elapsed.TotalSeconds <= _smbFileSystemSettings.ClientSessionTimeout); stopwatch.Stop(); status.HandleStatus(); // This is the correct delete command, but it doesn't work for some reason. You have to use FILE_DELETE_ON_CLOSE // fileStore.SetFileInformation(handle, new FileDispositionInformation()); FileStoreUtilities.CloseFile(fileStore, ref handle); } } catch (Exception ex) { throw new SMBException($"Failed to Delete {path}", ex); } finally { FileStoreUtilities.CloseFile(fileStore, ref handle); } }
internal IFileInfo FromFileName(string path, ISMBCredential credential) { if (!path.IsSharePath()) { return(null); } if (!path.TryResolveHostnameFromPath(out var ipAddress)) { throw new SMBException($"Failed FromFileName for {path}", new ArgumentException($"Unable to resolve \"{path.Hostname()}\"")); } NTStatus status = NTStatus.STATUS_SUCCESS; if (credential == null) { credential = _credentialProvider.GetSMBCredential(path); } if (credential == null) { throw new SMBException($"Failed FromFileName for {path}", new InvalidCredentialException($"Unable to find credential for path: {path}")); } ISMBFileStore fileStore = null; object handle = null; try { var shareName = path.ShareName(); var relativePath = path.RelativeSharePath(); _logger?.LogTrace($"Trying FromFileName {{RelativePath: {relativePath}}} for {{ShareName: {shareName}}}"); using var connection = SMBConnection.CreateSMBConnection(_smbClientFactory, ipAddress, transport, credential, _maxBufferSize); fileStore = connection.SMBClient.TreeConnect(shareName, out status); status.HandleStatus(); AccessMask accessMask = AccessMask.SYNCHRONIZE | AccessMask.GENERIC_READ; ShareAccess shareAccess = ShareAccess.Read; CreateDisposition disposition = CreateDisposition.FILE_OPEN; CreateOptions createOptions = CreateOptions.FILE_SYNCHRONOUS_IO_NONALERT | CreateOptions.FILE_NON_DIRECTORY_FILE; status = fileStore.CreateFile(out handle, out FileStatus fileStatus, relativePath, accessMask, 0, shareAccess, disposition, createOptions, null); status.HandleStatus(); status = fileStore.GetFileInformation(out FileInformation fileBasicInfo, handle, FileInformationClass.FileBasicInformation); status.HandleStatus(); status = fileStore.GetFileInformation(out FileInformation fileStandardInfo, handle, FileInformationClass.FileStandardInformation); status.HandleStatus(); FileStoreUtilities.CloseFile(fileStore, ref handle); return(new SMBFileInfo(path, _fileSystem, (FileBasicInformation)fileBasicInfo, (FileStandardInformation)fileStandardInfo, credential)); } catch (Exception ex) { throw new SMBException($"Failed FromFileName for {path}", ex); } finally { FileStoreUtilities.CloseFile(fileStore, ref handle); } }
internal Stream Open(string path, FileMode mode, FileAccess access, FileShare share, FileOptions fileOptions, ISMBCredential credential) { if (!path.TryResolveHostnameFromPath(out var ipAddress)) { throw new SMBException($"Failed to Open {path}", new ArgumentException($"Unable to resolve \"{path.Hostname()}\"")); } NTStatus status = NTStatus.STATUS_SUCCESS; AccessMask accessMask = AccessMask.MAXIMUM_ALLOWED; ShareAccess shareAccess = ShareAccess.None; CreateDisposition disposition = CreateDisposition.FILE_OPEN; CreateOptions createOptions; switch (fileOptions) { case FileOptions.DeleteOnClose: createOptions = CreateOptions.FILE_SYNCHRONOUS_IO_NONALERT | CreateOptions.FILE_DELETE_ON_CLOSE; break; case FileOptions.RandomAccess: createOptions = CreateOptions.FILE_SYNCHRONOUS_IO_NONALERT | CreateOptions.FILE_RANDOM_ACCESS; break; case FileOptions.SequentialScan: createOptions = CreateOptions.FILE_SYNCHRONOUS_IO_NONALERT | CreateOptions.FILE_SEQUENTIAL_ONLY; break; case FileOptions.WriteThrough: createOptions = CreateOptions.FILE_SYNCHRONOUS_IO_NONALERT | CreateOptions.FILE_WRITE_THROUGH; break; case FileOptions.None: case FileOptions.Encrypted: // These two are not suported unless I am missing something case FileOptions.Asynchronous: // default: createOptions = CreateOptions.FILE_SYNCHRONOUS_IO_NONALERT | CreateOptions.FILE_NON_DIRECTORY_FILE; break; } switch (access) { case FileAccess.Read: accessMask = AccessMask.SYNCHRONIZE | AccessMask.GENERIC_READ; shareAccess = ShareAccess.Read; break; case FileAccess.Write: accessMask = AccessMask.SYNCHRONIZE | AccessMask.GENERIC_WRITE; shareAccess = ShareAccess.Write; break; case FileAccess.ReadWrite: accessMask = AccessMask.SYNCHRONIZE | AccessMask.GENERIC_READ | AccessMask.GENERIC_WRITE; shareAccess = ShareAccess.Read | ShareAccess.Write; break; } if (credential == null) { credential = _credentialProvider.GetSMBCredential(path); } if (credential == null) { throw new SMBException($"Failed to Open {path}", new InvalidCredentialException($"Unable to find credential in SMBCredentialProvider for path: {path}")); } SMBConnection connection = null; try { connection = SMBConnection.CreateSMBConnectionForStream(_smbClientFactory, ipAddress, transport, credential, _maxBufferSize); var shareName = path.ShareName(); var relativePath = path.RelativeSharePath(); ISMBFileStore fileStore = connection.SMBClient.TreeConnect(shareName, out status); status.HandleStatus(); switch (mode) { case FileMode.Create: disposition = CreateDisposition.FILE_OVERWRITE_IF; break; case FileMode.CreateNew: disposition = CreateDisposition.FILE_CREATE; break; case FileMode.Open: disposition = CreateDisposition.FILE_OPEN; break; case FileMode.OpenOrCreate: disposition = CreateDisposition.FILE_OPEN_IF; break; } object handle; var stopwatch = new Stopwatch(); stopwatch.Start(); do { if (status == NTStatus.STATUS_PENDING) { _logger.LogTrace($"STATUS_PENDING while trying to open file {path}. {stopwatch.Elapsed.TotalSeconds}/{_smbFileSystemSettings.ClientSessionTimeout} seconds elapsed."); } status = fileStore.CreateFile(out handle, out FileStatus fileStatus, relativePath, accessMask, 0, shareAccess, disposition, createOptions, null); }while (status == NTStatus.STATUS_PENDING && stopwatch.Elapsed.TotalSeconds <= _smbFileSystemSettings.ClientSessionTimeout); stopwatch.Stop(); status.HandleStatus(); FileInformation fileInfo; stopwatch.Reset(); stopwatch.Start(); do { status = fileStore.GetFileInformation(out fileInfo, handle, FileInformationClass.FileStandardInformation); }while (status == NTStatus.STATUS_NETWORK_NAME_DELETED && stopwatch.Elapsed.TotalSeconds <= _smbFileSystemSettings.ClientSessionTimeout); stopwatch.Stop(); status.HandleStatus(); var fileStandardInfo = (FileStandardInformation)fileInfo; Stream s = new SMBStream(fileStore, handle, connection, fileStandardInfo.EndOfFile, _smbFileSystemSettings); if (mode == FileMode.Append) { s.Seek(0, SeekOrigin.End); } return(s); } catch (Exception ex) { // Dispose connection if fail to open stream connection?.Dispose(); throw new SMBException($"Failed to Open {path}", ex); } }
public override bool Exists(string path) { if (!path.IsSharePath()) { return(base.Exists(path)); } // For some reason Directory.Exists is returning true if a file exists at that path. // File.Exists works properly so as long as we check it here we are fine. if (_fileSystem.File.Exists(path)) { return(false); } ISMBFileStore fileStore = null; object handle = null; try { if (!path.TryResolveHostnameFromPath(out var ipAddress)) { throw new SMBException($"Failed to determine if {path} exists", new ArgumentException($"Unable to resolve \"{path.Hostname()}\"")); } NTStatus status = NTStatus.STATUS_SUCCESS; var credential = _credentialProvider.GetSMBCredential(path); using (var connection = SMBConnection.CreateSMBConnection(_smbClientFactory, ipAddress, transport, credential, _maxBufferSize)) { var shareName = path.ShareName(); var relativePath = path.RelativeSharePath(); _logger?.LogTrace( $"Trying to determine if {{RelativePath: {relativePath}}} Exists for {{ShareName: {shareName}}}"); if (string.IsNullOrEmpty(relativePath)) { return(true); } var parentFullPath = path.GetParentPath(); var parentPath = parentFullPath.RelativeSharePath(); var directoryName = path.GetLastPathSegment().RemoveLeadingAndTrailingSeperators(); fileStore = connection.SMBClient.TreeConnect(shareName, out status); status.HandleStatus(); status = fileStore.CreateFile(out handle, out FileStatus fileStatus, parentPath, AccessMask.GENERIC_READ, 0, ShareAccess.Read, CreateDisposition.FILE_OPEN, CreateOptions.FILE_DIRECTORY_FILE, null); status.HandleStatus(); fileStore.QueryDirectory(out List <QueryDirectoryFileInformation> queryDirectoryFileInformation, handle, string.IsNullOrEmpty(directoryName) ? "*" : directoryName, FileInformationClass.FileDirectoryInformation); foreach (var file in queryDirectoryFileInformation) { if (file.FileInformationClass == FileInformationClass.FileDirectoryInformation) { FileDirectoryInformation fileDirectoryInformation = (FileDirectoryInformation)file; if (fileDirectoryInformation.FileName == directoryName) { return(true); } } } } return(false); } catch (Exception ex) { _logger?.LogTrace(ex, $"Failed to determine if {path} exists."); return(false); } finally { FileStoreUtilities.CloseFile(fileStore, ref handle); } }