public NTStatus GetFileSystemInformation(out FileSystemInformation result, FileSystemInformationClass informationClass)
{
IO_STATUS_BLOCK ioStatusBlock;
byte[] buffer = new byte[4096];
IntPtr volumeHandle;
FileStatus fileStatus;
string nativePath = @"\??\" + m_directory.FullName.Substring(0, 3);
NTStatus status = CreateFile(out volumeHandle, out fileStatus, nativePath, AccessMask.GENERIC_READ, 0, (FileAttributes)0, ShareAccess.Read, CreateDisposition.FILE_OPEN, (CreateOptions)0);
result = null;
if (status != NTStatus.STATUS_SUCCESS)
{
return(status);
}
status = NtQueryVolumeInformationFile((IntPtr)volumeHandle, out ioStatusBlock, buffer, (uint)buffer.Length, (uint)informationClass);
CloseFile(volumeHandle);
if (status == NTStatus.STATUS_SUCCESS)
{
int numberOfBytesWritten = (int)ioStatusBlock.Information;
buffer = ByteReader.ReadBytes(buffer, 0, numberOfBytesWritten);
result = FileSystemInformation.GetFileSystemInformation(buffer, 0, informationClass);
}
return(status);
}
internal static Transaction2SetFSInformationResponse GetSubcommandResponse(SMB1Header header, Transaction2SetFSInformationRequest subcommand, ISMBShare share, SMB1ConnectionState state)
{
SMB1Session session = state.GetSession(header.UID);
if (share is FileSystemShare)
{
if (!((FileSystemShare)share).HasWriteAccess(session.SecurityContext, @"\"))
{
state.LogToServer(Severity.Verbose, "SetFileSystemInformation on '{0}' failed. User '{1}' was denied access.", share.Name, session.UserName);
header.Status = NTStatus.STATUS_ACCESS_DENIED;
return(null);
}
}
if (!subcommand.IsPassthroughInformationLevel)
{
state.LogToServer(Severity.Verbose, "SetFileSystemInformation on '{0}' failed. Not a pass-through information level.", share.Name);
header.Status = NTStatus.STATUS_NOT_SUPPORTED;
return(null);
}
FileSystemInformation fileSystemInfo;
try
{
fileSystemInfo = FileSystemInformation.GetFileSystemInformation(subcommand.InformationBytes, 0, subcommand.FileSystemInformationClass);
}
catch (UnsupportedInformationLevelException)
{
state.LogToServer(Severity.Verbose, "SetFileSystemInformation on '{0}' failed. Information class: {1}, NTStatus: STATUS_OS2_INVALID_LEVEL.", share.Name, subcommand.FileSystemInformationClass);
header.Status = NTStatus.STATUS_OS2_INVALID_LEVEL;
return(null);
}
catch (Exception)
{
state.LogToServer(Severity.Verbose, "SetFileSystemInformation on '{0}' failed. Information class: {1}, NTStatus: STATUS_INVALID_PARAMETER.", share.Name, subcommand.FileSystemInformationClass);
header.Status = NTStatus.STATUS_INVALID_PARAMETER;
return(null);
}
NTStatus status = share.FileStore.SetFileSystemInformation(fileSystemInfo);
if (status != NTStatus.STATUS_SUCCESS)
{
state.LogToServer(Severity.Verbose, "SetFileSystemInformation on '{0}' failed. Information class: {1}, NTStatus: {2}.", share.Name, subcommand.FileSystemInformationClass, status);
header.Status = status;
return(null);
}
state.LogToServer(Severity.Verbose, "SetFileSystemInformation on '{0}' succeeded. Information class: {1}.", share.Name, subcommand.FileSystemInformationClass);
return(new Transaction2SetFSInformationResponse());
}
/// <remarks>
/// Support for pass-through Information Levels must be enabled.
/// </remarks>
public FileSystemInformation GetFileSystemInformation(FileSystemInformationClass informationClass)
{
return(FileSystemInformation.GetFileSystemInformation(InformationBytes, 0, informationClass));
}
public FileSystemInformation GetFileSystemInformation(FileSystemInformationClass informationClass)
{
return(FileSystemInformation.GetFileSystemInformation(OutputBuffer, 0, informationClass));
}
internal static SMB2Command GetSetInfoResponse(SetInfoRequest request, ISMBShare share, SMB2ConnectionState state)
{
SMB2Session session = state.GetSession(request.Header.SessionID);
OpenFileObject openFile = null;
if (request.InfoType == InfoType.File || request.InfoType == InfoType.Security)
{
openFile = session.GetOpenFileObject(request.FileId);
if (openFile == null)
{
state.LogToServer(Severity.Verbose, "SetFileInformation failed. Invalid FileId. (SessionID: {0}, TreeID: {1}, FileId: {2})", request.Header.SessionID, request.Header.TreeID, request.FileId.Volatile);
return(new ErrorResponse(request.CommandName, NTStatus.STATUS_FILE_CLOSED));
}
if (share is FileSystemShare)
{
if (!((FileSystemShare)share).HasWriteAccess(session.SecurityContext, openFile.Path))
{
state.LogToServer(Severity.Verbose, "SetFileInformation on '{0}{1}' failed. User '{2}' was denied access.", share.Name, openFile.Path, session.UserName);
return(new ErrorResponse(request.CommandName, NTStatus.STATUS_ACCESS_DENIED));
}
}
}
else if (request.InfoType == InfoType.FileSystem)
{
if (share is FileSystemShare)
{
if (!((FileSystemShare)share).HasWriteAccess(session.SecurityContext, @"\"))
{
state.LogToServer(Severity.Verbose, "SetFileSystemInformation on '{0}' failed. User '{1}' was denied access.", share.Name, session.UserName);
return(new ErrorResponse(request.CommandName, NTStatus.STATUS_ACCESS_DENIED));
}
}
}
if (request.InfoType == InfoType.File)
{
FileInformation information;
try
{
information = FileInformation.GetFileInformation(request.Buffer, 0, request.FileInformationClass);
}
catch (UnsupportedInformationLevelException)
{
state.LogToServer(Severity.Verbose, "SetFileInformation on '{0}{1}' failed. Information class: {2}, NTStatus: STATUS_INVALID_INFO_CLASS.", share.Name, openFile.Path, request.FileInformationClass);
return(new ErrorResponse(request.CommandName, NTStatus.STATUS_INVALID_INFO_CLASS));
}
catch (NotImplementedException)
{
state.LogToServer(Severity.Verbose, "SetFileInformation on '{0}{1}' failed. Information class: {2}, NTStatus: STATUS_NOT_SUPPORTED.", share.Name, openFile.Path, request.FileInformationClass);
return(new ErrorResponse(request.CommandName, NTStatus.STATUS_NOT_SUPPORTED));
}
catch (Exception)
{
state.LogToServer(Severity.Verbose, "SetFileInformation on '{0}{1}' failed. Information class: {2}, NTStatus: STATUS_INVALID_PARAMETER.", share.Name, openFile.Path, request.FileInformationClass);
return(new ErrorResponse(request.CommandName, NTStatus.STATUS_INVALID_PARAMETER));
}
if ((share is FileSystemShare) && (information is FileRenameInformationType2))
{
string newFileName = ((FileRenameInformationType2)information).FileName;
if (!newFileName.StartsWith(@"\"))
{
newFileName = @"\" + newFileName;
}
if (!((FileSystemShare)share).HasWriteAccess(session.SecurityContext, newFileName))
{
state.LogToServer(Severity.Verbose, "SetFileInformation: Rename '{0}{1}' to '{0}{2}' failed. User '{3}' was denied access.", share.Name, openFile.Path, newFileName, session.UserName);
return(new ErrorResponse(request.CommandName, NTStatus.STATUS_ACCESS_DENIED));
}
}
NTStatus status = share.FileStore.SetFileInformation(openFile.Handle, information);
if (status != NTStatus.STATUS_SUCCESS)
{
state.LogToServer(Severity.Verbose, "SetFileInformation on '{0}{1}' failed. Information class: {2}, NTStatus: {3}. (FileId: {4})", share.Name, openFile.Path, request.FileInformationClass, status, request.FileId.Volatile);
return(new ErrorResponse(request.CommandName, status));
}
if (information is FileRenameInformationType2)
{
string newFileName = ((FileRenameInformationType2)information).FileName;
if (!newFileName.StartsWith(@"\"))
{
newFileName = @"\" + newFileName;
}
state.LogToServer(Severity.Verbose, "SetFileInformation: Rename '{0}{1}' to '{0}{2}' succeeded. (FileId: {3})", share.Name, openFile.Path, newFileName, request.FileId.Volatile);
openFile.Path = newFileName;
}
else
{
state.LogToServer(Severity.Information, "SetFileInformation on '{0}{1}' succeeded. Information class: {2}. (FileId: {3})", share.Name, openFile.Path, request.FileInformationClass, request.FileId.Volatile);
}
return(new SetInfoResponse());
}
else if (request.InfoType == InfoType.FileSystem)
{
FileSystemInformation fileSystemInformation;
try
{
fileSystemInformation = FileSystemInformation.GetFileSystemInformation(request.Buffer, 0, request.FileSystemInformationClass);
}
catch (UnsupportedInformationLevelException)
{
state.LogToServer(Severity.Verbose, "SetFileSystemInformation on '{0}' failed. Information class: {1}, NTStatus: STATUS_INVALID_INFO_CLASS.", share.Name, request.FileSystemInformationClass);
return(new ErrorResponse(request.CommandName, NTStatus.STATUS_INVALID_INFO_CLASS));
}
catch (Exception)
{
state.LogToServer(Severity.Verbose, "SetFileSystemInformation on '{0}' failed. Information class: {1}, NTStatus: STATUS_INVALID_PARAMETER.", share.Name, request.FileSystemInformationClass);
return(new ErrorResponse(request.CommandName, NTStatus.STATUS_INVALID_PARAMETER));
}
NTStatus status = share.FileStore.SetFileSystemInformation(fileSystemInformation);
if (status != NTStatus.STATUS_SUCCESS)
{
state.LogToServer(Severity.Verbose, "SetFileSystemInformation on '{0}' failed. Information class: {1}, NTStatus: {2}.", share.Name, request.FileSystemInformationClass, status);
return(new ErrorResponse(request.CommandName, status));
}
state.LogToServer(Severity.Verbose, "SetFileSystemInformation on '{0}' succeeded. Information class: {1}.", share.Name, request.FileSystemInformationClass);
return(new SetInfoResponse());
}
else if (request.InfoType == InfoType.Security)
{
SecurityDescriptor securityDescriptor;
try
{
securityDescriptor = new SecurityDescriptor(request.Buffer, 0);
}
catch
{
state.LogToServer(Severity.Verbose, "SetSecurityInformation on '{0}{1}' failed. NTStatus: STATUS_INVALID_PARAMETER.", share.Name, openFile.Path);
return(new ErrorResponse(request.CommandName, NTStatus.STATUS_INVALID_PARAMETER));
}
NTStatus status = share.FileStore.SetSecurityInformation(openFile, request.SecurityInformation, securityDescriptor);
if (status != NTStatus.STATUS_SUCCESS)
{
state.LogToServer(Severity.Verbose, "SetSecurityInformation on '{0}{1}' failed. Security information: 0x{2}, NTStatus: {3}. (FileId: {4})", share.Name, openFile.Path, request.SecurityInformation.ToString("X"), status, request.FileId.Volatile);
return(new ErrorResponse(request.CommandName, status));
}
state.LogToServer(Severity.Information, "SetSecurityInformation on '{0}{1}' succeeded. Security information: 0x{2}. (FileId: {3})", share.Name, openFile.Path, request.SecurityInformation.ToString("X"), request.FileId.Volatile);
return(new SetInfoResponse());
}
return(new ErrorResponse(request.CommandName, NTStatus.STATUS_NOT_SUPPORTED));
}