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);
}
}