/* Copyright (C) 2017 Tal Aloni . All rights reserved. * * You can redistribute this program and/or modify it under the terms of * the GNU Lesser Public License as published by the Free Software Foundation, * either version 3 of the License, or (at your option) any later version. */ using System; using System.Collections.Generic; using SMBLibrary.Authentication; using SMBLibrary.SMB2; using Utilities; namespace SMBLibrary.Server.SMB2 { public class SetInfoHelper { internal static SMB2Command GetSetInfoResponse(SetInfoRequest request, ISMBShare share, SMB2ConnectionState state) { SMB2Session session = state.GetSession(request.Header.SessionID); if (request.InfoType == InfoType.File) { OpenFileObject openFile = session.GetOpenFileObject(request.FileId.Persistent); if (openFile == null) { return new ErrorResponse(request.CommandName, NTStatus.STATUS_FILE_CLOSED); } if (share is FileSystemShare) { if (!((FileSystemShare)share).HasWriteAccess(session.SecurityContext, openFile.Path)) { return new ErrorResponse(request.CommandName, NTStatus.STATUS_ACCESS_DENIED); } } FileInformation information; try { information = FileInformation.GetFileInformation(request.Buffer, 0, request.FileInformationClass); } catch (UnsupportedInformationLevelException) { return new ErrorResponse(request.CommandName, NTStatus.STATUS_INVALID_INFO_CLASS); } catch (NotImplementedException) { return new ErrorResponse(request.CommandName, NTStatus.STATUS_NOT_SUPPORTED); } catch (Exception) { return new ErrorResponse(request.CommandName, NTStatus.STATUS_INVALID_PARAMETER); } NTStatus status = share.FileStore.SetFileInformation(openFile.Handle, information); if (status != NTStatus.STATUS_SUCCESS) { state.LogToServer(Severity.Verbose, "SetFileInformation on '{0}' failed. Information class: {1}, NTStatus: {2}", openFile.Path, information.FileInformationClass, status); return new ErrorResponse(request.CommandName, status); } return new SetInfoResponse(); } return new ErrorResponse(request.CommandName, NTStatus.STATUS_NOT_SUPPORTED); } } }