Moved SMB1FileStore helper methods to separate classes

SMBLibrary/SMB1FileStore/Helpers/FindInformationHelper.cs

@@ -0,0 +1,164 @@
+/* Copyright (C) 2014-2017 Tal Aloni <tal.aloni.il@gmail.com>. 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.SMB1;
+using Utilities;
+
+namespace SMBLibrary.SMB1
+{
+    public class FindInformationHelper
+    {
+        /// <exception cref="SMBLibrary.UnsupportedInformationLevelException"></exception>
+        public static FileInformationClass ToFileInformationClass(FindInformationLevel informationLevel)
+        {
+            switch (informationLevel)
+            {
+                case FindInformationLevel.SMB_FIND_FILE_DIRECTORY_INFO:
+                    return FileInformationClass.FileDirectoryInformation;
+                case FindInformationLevel.SMB_FIND_FILE_FULL_DIRECTORY_INFO:
+                    return FileInformationClass.FileFullDirectoryInformation;
+                case FindInformationLevel.SMB_FIND_FILE_NAMES_INFO:
+                    return FileInformationClass.FileNamesInformation;
+                case FindInformationLevel.SMB_FIND_FILE_BOTH_DIRECTORY_INFO:
+                    return FileInformationClass.FileBothDirectoryInformation;
+                case FindInformationLevel.SMB_FIND_FILE_ID_FULL_DIRECTORY_INFO:
+                    return FileInformationClass.FileIdFullDirectoryInformation;
+                case FindInformationLevel.SMB_FIND_FILE_ID_BOTH_DIRECTORY_INFO:
+                    return FileInformationClass.FileIdBothDirectoryInformation;
+                default:
+                    throw new UnsupportedInformationLevelException();
+            }
+        }
+
+        /// <exception cref="SMBLibrary.UnsupportedInformationLevelException"></exception>
+        public static FindInformationList GetFindInformationList(List<QueryDirectoryFileInformation> entries, bool isUnicode, int maxLength)
+        {
+            FindInformationList result = new FindInformationList();
+            int pageLength = 0;
+            for (int index = 0; index < entries.Count; index++)
+            {
+                FindInformation infoEntry = GetFindInformation(entries[index]);
+                int entryLength = infoEntry.GetLength(isUnicode);
+                if (pageLength + entryLength <= maxLength)
+                {
+                    result.Add(infoEntry);
+                    pageLength += entryLength;
+                }
+                else
+                {
+                    break;
+                }
+            }
+            return result;
+        }
+
+        /// <exception cref="SMBLibrary.UnsupportedInformationLevelException"></exception>
+        public static FindInformation GetFindInformation(QueryDirectoryFileInformation fileInformation)
+        {
+            if (fileInformation is FileDirectoryInformation)
+            {
+                FileDirectoryInformation fileDirectoryInfo = (FileDirectoryInformation)fileInformation;
+                FindFileDirectoryInfo result = new FindFileDirectoryInfo();
+                result.FileIndex = fileDirectoryInfo.FileIndex;
+                result.CreationTime = fileDirectoryInfo.CreationTime;
+                result.LastAccessTime = fileDirectoryInfo.LastAccessTime;
+                result.LastWriteTime = fileDirectoryInfo.LastWriteTime;
+                result.LastAttrChangeTime = fileDirectoryInfo.LastWriteTime;
+                result.EndOfFile = fileDirectoryInfo.EndOfFile;
+                result.AllocationSize = fileDirectoryInfo.AllocationSize;
+                result.ExtFileAttributes = (ExtendedFileAttributes)fileDirectoryInfo.FileAttributes;
+                result.FileName = fileDirectoryInfo.FileName;
+                return result;
+            }
+            else if (fileInformation is FileFullDirectoryInformation)
+            {
+                FileFullDirectoryInformation fileFullDirectoryInfo = (FileFullDirectoryInformation)fileInformation;
+                FindFileFullDirectoryInfo result = new FindFileFullDirectoryInfo();
+                result.FileIndex = fileFullDirectoryInfo.FileIndex;
+                result.CreationTime = fileFullDirectoryInfo.CreationTime;
+                result.LastAccessTime = fileFullDirectoryInfo.LastAccessTime;
+                result.LastWriteTime = fileFullDirectoryInfo.LastWriteTime;
+                result.LastAttrChangeTime = fileFullDirectoryInfo.LastWriteTime;
+                result.EndOfFile = fileFullDirectoryInfo.EndOfFile;
+                result.AllocationSize = fileFullDirectoryInfo.AllocationSize;
+                result.ExtFileAttributes = (ExtendedFileAttributes)fileFullDirectoryInfo.FileAttributes;
+                result.EASize = fileFullDirectoryInfo.EaSize;
+                result.FileName = fileFullDirectoryInfo.FileName;
+                return result;
+            }
+            else if (fileInformation is FileNamesInformation)
+            {
+                FileNamesInformation fileNamesInfo = (FileNamesInformation)fileInformation;
+                FindFileNamesInfo result = new FindFileNamesInfo();
+                result.FileIndex = fileNamesInfo.FileIndex;
+                result.FileName = fileNamesInfo.FileName;
+                return result;
+            }
+            else if (fileInformation is FileBothDirectoryInformation)
+            {
+                FileBothDirectoryInformation fileBothDirectoryInfo = (FileBothDirectoryInformation)fileInformation;
+                FindFileBothDirectoryInfo result = new FindFileBothDirectoryInfo();
+                result.FileIndex = fileBothDirectoryInfo.FileIndex;
+                result.CreationTime = fileBothDirectoryInfo.CreationTime;
+                result.LastAccessTime = fileBothDirectoryInfo.LastAccessTime;
+                result.LastWriteTime = fileBothDirectoryInfo.LastWriteTime;
+                result.LastChangeTime = fileBothDirectoryInfo.LastWriteTime;
+                result.EndOfFile = fileBothDirectoryInfo.EndOfFile;
+                result.AllocationSize = fileBothDirectoryInfo.AllocationSize;
+                result.ExtFileAttributes = (ExtendedFileAttributes)fileBothDirectoryInfo.FileAttributes;
+                result.EASize = fileBothDirectoryInfo.EaSize;
+                result.Reserved = fileBothDirectoryInfo.Reserved;
+                result.ShortName = fileBothDirectoryInfo.ShortName;
+                result.FileName = fileBothDirectoryInfo.FileName;
+                return result;
+            }
+            else if (fileInformation is FileIdFullDirectoryInformation)
+            {
+                FileIdFullDirectoryInformation fileIDFullDirectoryInfo = (FileIdFullDirectoryInformation)fileInformation;
+                FindFileIDFullDirectoryInfo result = new FindFileIDFullDirectoryInfo();
+                result.FileIndex = fileIDFullDirectoryInfo.FileIndex;
+                result.CreationTime = fileIDFullDirectoryInfo.CreationTime;
+                result.LastAccessTime = fileIDFullDirectoryInfo.LastAccessTime;
+                result.LastWriteTime = fileIDFullDirectoryInfo.LastWriteTime;
+                result.LastAttrChangeTime = fileIDFullDirectoryInfo.LastWriteTime;
+                result.EndOfFile = fileIDFullDirectoryInfo.EndOfFile;
+                result.AllocationSize = fileIDFullDirectoryInfo.AllocationSize;
+                result.ExtFileAttributes = (ExtendedFileAttributes)fileIDFullDirectoryInfo.FileAttributes;
+                result.EASize = fileIDFullDirectoryInfo.EaSize;
+                result.Reserved = fileIDFullDirectoryInfo.Reserved;
+                result.FileID = fileIDFullDirectoryInfo.FileId;
+                result.FileName = fileIDFullDirectoryInfo.FileName;
+                return result;
+            }
+            else if (fileInformation is FileIdBothDirectoryInformation)
+            {
+                FileIdBothDirectoryInformation fileIDBothDirectoryInfo = (FileIdBothDirectoryInformation)fileInformation;
+                FindFileIDBothDirectoryInfo result = new FindFileIDBothDirectoryInfo();
+                result.FileIndex = fileIDBothDirectoryInfo.FileIndex;
+                result.CreationTime = fileIDBothDirectoryInfo.CreationTime;
+                result.LastAccessTime = fileIDBothDirectoryInfo.LastAccessTime;
+                result.LastWriteTime = fileIDBothDirectoryInfo.LastWriteTime;
+                result.LastChangeTime = fileIDBothDirectoryInfo.LastWriteTime;
+                result.EndOfFile = fileIDBothDirectoryInfo.EndOfFile;
+                result.AllocationSize = fileIDBothDirectoryInfo.AllocationSize;
+                result.ExtFileAttributes = (ExtendedFileAttributes)fileIDBothDirectoryInfo.FileAttributes;
+                result.EASize = fileIDBothDirectoryInfo.EaSize;
+                result.Reserved = fileIDBothDirectoryInfo.Reserved1;
+                result.ShortName = fileIDBothDirectoryInfo.ShortName;
+                result.Reserved2 = fileIDBothDirectoryInfo.Reserved2;
+                result.FileID = fileIDBothDirectoryInfo.FileId;
+                result.FileName = fileIDBothDirectoryInfo.FileName;
+                return result;
+            }
+            else
+            {
+                throw new NotImplementedException();
+            }
+        }
+    }
+}

SMBLibrary/SMB1FileStore/Helpers/QueryFSInformationHelper.cs

@@ -0,0 +1,78 @@
+/* Copyright (C) 2014-2017 Tal Aloni <tal.aloni.il@gmail.com>. 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.SMB1;
+using Utilities;
+
+namespace SMBLibrary.SMB1
+{
+    public class QueryFSInformationHelper
+    {
+        /// <exception cref="SMBLibrary.UnsupportedInformationLevelException"></exception>
+        public static FileSystemInformationClass ToFileSystemInformationClass(QueryFSInformationLevel informationLevel)
+        {
+            switch (informationLevel)
+            {
+                case QueryFSInformationLevel.SMB_QUERY_FS_VOLUME_INFO:
+                    return FileSystemInformationClass.FileFsVolumeInformation;
+                case QueryFSInformationLevel.SMB_QUERY_FS_SIZE_INFO:
+                    return FileSystemInformationClass.FileFsSizeInformation;
+                case QueryFSInformationLevel.SMB_QUERY_FS_DEVICE_INFO:
+                    return FileSystemInformationClass.FileFsDeviceInformation;
+                case QueryFSInformationLevel.SMB_QUERY_FS_ATTRIBUTE_INFO:
+                    return FileSystemInformationClass.FileFsAttributeInformation;
+                default:
+                    throw new UnsupportedInformationLevelException();
+            }
+        }
+
+        public static QueryFSInformation FromFileSystemInformation(FileSystemInformation fsInfo)
+        {
+            if (fsInfo is FileFsVolumeInformation)
+            {
+                FileFsVolumeInformation volumeInfo = (FileFsVolumeInformation)fsInfo;
+                QueryFSVolumeInfo result = new QueryFSVolumeInfo();
+                result.VolumeCreationTime = volumeInfo.VolumeCreationTime;
+                result.SerialNumber = volumeInfo.VolumeSerialNumber;
+                result.VolumeLabel = volumeInfo.VolumeLabel;
+                return result;
+            }
+            else if (fsInfo is FileFsSizeInformation)
+            {
+                FileFsSizeInformation fsSizeInfo = (FileFsSizeInformation)fsInfo;
+                QueryFSSizeInfo result = new QueryFSSizeInfo();
+                result.TotalAllocationUnits = fsSizeInfo.TotalAllocationUnits;
+                result.TotalFreeAllocationUnits = fsSizeInfo.AvailableAllocationUnits;
+                result.BytesPerSector = fsSizeInfo.BytesPerSector;
+                result.SectorsPerAllocationUnit = fsSizeInfo.SectorsPerAllocationUnit;
+                return result;
+            }
+            else if (fsInfo is FileFsDeviceInformation)
+            {
+                FileFsDeviceInformation fsDeviceInfo = (FileFsDeviceInformation)fsInfo;
+                QueryFSDeviceInfo result = new QueryFSDeviceInfo();
+                result.DeviceType = fsDeviceInfo.DeviceType;
+                result.DeviceCharacteristics = fsDeviceInfo.Characteristics;
+                return result;
+            }
+            else if (fsInfo is FileFsAttributeInformation)
+            {
+                FileFsAttributeInformation fsAttributeInfo = (FileFsAttributeInformation)fsInfo;
+                QueryFSAttibuteInfo result = new QueryFSAttibuteInfo();
+                result.FileSystemAttributes = fsAttributeInfo.FileSystemAttributes;
+                result.MaxFileNameLengthInBytes = fsAttributeInfo.MaximumComponentNameLength;
+                result.FileSystemName = fsAttributeInfo.FileSystemName;
+                return result;
+            }
+            else
+            {
+                throw new NotImplementedException();
+            }
+        }
+    }
+}

SMBLibrary/SMB1FileStore/Helpers/QueryInformationHelper.cs

@@ -0,0 +1,128 @@
+/* Copyright (C) 2014-2017 Tal Aloni <tal.aloni.il@gmail.com>. 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.SMB1;
+using Utilities;
+
+namespace SMBLibrary.SMB1
+{
+    public class QueryInformationHelper
+    {
+        /// <exception cref="SMBLibrary.UnsupportedInformationLevelException"></exception>
+        public static FileInformationClass ToFileInformationClass(QueryInformationLevel informationLevel)
+        {
+            switch (informationLevel)
+            {
+                case QueryInformationLevel.SMB_QUERY_FILE_BASIC_INFO:
+                    return FileInformationClass.FileBasicInformation;
+                case QueryInformationLevel.SMB_QUERY_FILE_STANDARD_INFO:
+                    return FileInformationClass.FileStandardInformation;
+                case QueryInformationLevel.SMB_QUERY_FILE_EA_INFO:
+                    return FileInformationClass.FileEaInformation;
+                case QueryInformationLevel.SMB_QUERY_FILE_NAME_INFO:
+                    return FileInformationClass.FileNameInformation;
+                case QueryInformationLevel.SMB_QUERY_FILE_ALL_INFO:
+                    return FileInformationClass.FileAllInformation;
+                case QueryInformationLevel.SMB_QUERY_FILE_ALT_NAME_INFO:
+                    return FileInformationClass.FileAlternateNameInformation;
+                case QueryInformationLevel.SMB_QUERY_FILE_STREAM_INFO:
+                    return FileInformationClass.FileStreamInformation;
+                case QueryInformationLevel.SMB_QUERY_FILE_COMPRESSION_INFO:
+                    return FileInformationClass.FileCompressionInformation;
+                default:
+                    throw new UnsupportedInformationLevelException();
+            }
+        }
+
+        public static QueryInformation FromFileInformation(FileInformation fileInformation)
+        {
+            if (fileInformation is FileBasicInformation)
+            {
+                FileBasicInformation fileBasicInfo = (FileBasicInformation)fileInformation;
+                QueryFileBasicInfo result = new QueryFileBasicInfo();
+                result.CreationTime = fileBasicInfo.CreationTime;
+                result.LastAccessTime = fileBasicInfo.LastAccessTime;
+                result.LastWriteTime = fileBasicInfo.LastWriteTime;
+                result.LastChangeTime = fileBasicInfo.LastWriteTime;
+                result.ExtFileAttributes = (ExtendedFileAttributes)fileBasicInfo.FileAttributes;
+                return result;
+            }
+            else if (fileInformation is FileStandardInformation)
+            {
+                FileStandardInformation fileStandardInfo = (FileStandardInformation)fileInformation;
+                QueryFileStandardInfo result = new QueryFileStandardInfo();
+                result.AllocationSize = fileStandardInfo.AllocationSize;
+                result.EndOfFile = fileStandardInfo.EndOfFile;
+                result.DeletePending = fileStandardInfo.DeletePending;
+                result.Directory = fileStandardInfo.Directory;
+                return result;
+            }
+            else if (fileInformation is FileEaInformation)
+            {
+                FileEaInformation fileEAInfo = (FileEaInformation)fileInformation;
+                QueryFileExtendedAttributeInfo result = new QueryFileExtendedAttributeInfo();
+                result.EASize = fileEAInfo.EaSize;
+                return result;
+            }
+            else if (fileInformation is FileNameInformation)
+            {
+                FileNameInformation fileNameInfo = (FileNameInformation)fileInformation;
+                QueryFileNameInfo result = new QueryFileNameInfo();
+                result.FileName = fileNameInfo.FileName;
+                return result;
+            }
+            else if (fileInformation is FileAllInformation)
+            {
+                FileAllInformation fileAllInfo = (FileAllInformation)fileInformation;
+                QueryFileAllInfo result = new QueryFileAllInfo();
+                result.CreationDateTime = fileAllInfo.BasicInformation.CreationTime;
+                result.LastAccessDateTime = fileAllInfo.BasicInformation.LastAccessTime;
+                result.LastWriteDateTime = fileAllInfo.BasicInformation.LastWriteTime;
+                result.LastChangeTime = fileAllInfo.BasicInformation.LastWriteTime;
+                result.ExtFileAttributes = (ExtendedFileAttributes)fileAllInfo.BasicInformation.FileAttributes;
+                result.AllocationSize = fileAllInfo.StandardInformation.AllocationSize;
+                result.EndOfFile = fileAllInfo.StandardInformation.EndOfFile;
+                result.DeletePending = fileAllInfo.StandardInformation.DeletePending;
+                result.Directory = fileAllInfo.StandardInformation.Directory;
+                result.EASize = fileAllInfo.EaInformation.EaSize;
+                result.FileName = fileAllInfo.NameInformation.FileName;
+                return result;
+            }
+            else if (fileInformation is FileAlternateNameInformation)
+            {
+                FileAlternateNameInformation fileAltNameInfo = (FileAlternateNameInformation)fileInformation;
+                QueryFileAltNameInfo result = new QueryFileAltNameInfo();
+                result.FileName = fileAltNameInfo.FileName;
+                return result;
+            }
+            else if (fileInformation is FileStreamInformation)
+            {
+                FileStreamInformation fileStreamInfo = (FileStreamInformation)fileInformation;
+                QueryFileStreamInfo result = new QueryFileStreamInfo();
+                result.Entries.AddRange(fileStreamInfo.Entries);
+                return result;
+            }
+            else if (fileInformation is FileCompressionInformation)
+            {
+                FileCompressionInformation fileCompressionInfo = (FileCompressionInformation)fileInformation;
+                QueryFileCompressionInfo result = new QueryFileCompressionInfo();
+                result.CompressedFileSize = fileCompressionInfo.CompressedFileSize;
+                result.CompressionFormat = fileCompressionInfo.CompressionFormat;
+                result.CompressionUnitShift = fileCompressionInfo.CompressionUnitShift;
+                result.ChunkShift = fileCompressionInfo.ChunkShift;
+                result.ClusterShift = fileCompressionInfo.ClusterShift;
+                result.Reserved = fileCompressionInfo.Reserved;
+                return result;
+            }
+            else
+            {
+                throw new NotImplementedException();
+            }
+        }
+    }
+}

SMBLibrary/SMB1FileStore/Helpers/SetInformationHelper.cs

@@ -0,0 +1,56 @@
+/* Copyright (C) 2014-2017 Tal Aloni <tal.aloni.il@gmail.com>. 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.SMB1;
+using Utilities;
+
+namespace SMBLibrary.SMB1
+{
+    public class SetInformationHelper
+    {
+        public static FileInformation ToFileInformation(SetInformation information)
+        {
+            if (information is SetFileBasicInfo)
+            {
+                SetFileBasicInfo basicInfo = (SetFileBasicInfo)information;
+                FileBasicInformation fileBasicInfo = new FileBasicInformation();
+                fileBasicInfo.CreationTime = basicInfo.CreationTime;
+                fileBasicInfo.LastAccessTime = basicInfo.LastAccessTime;
+                fileBasicInfo.LastWriteTime = basicInfo.LastWriteTime;
+                fileBasicInfo.ChangeTime = basicInfo.LastChangeTime;
+                fileBasicInfo.FileAttributes = (FileAttributes)basicInfo.ExtFileAttributes;
+                fileBasicInfo.Reserved = basicInfo.Reserved;
+                return fileBasicInfo;
+            }
+            else if (information is SetFileDispositionInfo)
+            {
+                FileDispositionInformation fileDispositionInfo = new FileDispositionInformation();
+                fileDispositionInfo.DeletePending = ((SetFileDispositionInfo)information).DeletePending;
+                return fileDispositionInfo;
+            }
+            else if (information is SetFileAllocationInfo)
+            {
+                // This information level is used to set the file length in bytes.
+                // Note: the input will NOT be a multiple of the cluster size / bytes per sector.
+                FileAllocationInformation fileAllocationInfo = new FileAllocationInformation();
+                fileAllocationInfo.AllocationSize = ((SetFileAllocationInfo)information).AllocationSize;
+                return fileAllocationInfo;
+            }
+            else if (information is SetFileEndOfFileInfo)
+            {
+                FileEndOfFileInformation fileEndOfFileInfo = new FileEndOfFileInformation();
+                fileEndOfFileInfo.EndOfFile = ((SetFileEndOfFileInfo)information).EndOfFile;
+                return fileEndOfFileInfo;
+            }
+            else
+            {
+                throw new NotImplementedException();
+            }
+        }
+    }
+}

SMBLibrary/SMBLibrary.csproj

@@ -292,6 +292,10 @@
     <Compile Include="Services\WorkstationService\Structures\WorkstationInfo101.cs" />
     <Compile Include="Services\WorkstationService\Structures\WorkstationInfoLevel.cs" />
     <Compile Include="Services\WorkstationService\WorkstationService.cs" />
+    <Compile Include="SMB1FileStore\Helpers\FindInformationHelper.cs" />
+    <Compile Include="SMB1FileStore\Helpers\QueryFSInformationHelper.cs" />
+    <Compile Include="SMB1FileStore\Helpers\QueryInformationHelper.cs" />
+    <Compile Include="SMB1FileStore\Helpers\SetInformationHelper.cs" />
     <Compile Include="SMB1FileStore\Structures\FindInformation\FindFileIDBothDirectoryInfo.cs" />
     <Compile Include="SMB1FileStore\Structures\FindInformation\FindFileIDFullDirectoryInfo.cs" />
     <Compile Include="SMB1\Commands\CheckDirectoryRequest.cs" />

SMBLibrary/Server/SMB1/SMB1FileStoreHelper.Query.cs

@@ -32,167 +32,25 @@ namespace SMBLibrary.Server.SMB1
         public static NTStatus GetFileInformation(out QueryInformation result, INTFileStore fileStore, object handle, QueryInformationLevel informationLevel)
         {
             result = null;
-            FileInformation fileInfo;
-            switch (informationLevel)
+            FileInformationClass informationClass;
+            try
             {
-                case QueryInformationLevel.SMB_INFO_QUERY_ALL_EAS:
-                    {
-                        result = null;
-                        return NTStatus.STATUS_NOT_IMPLEMENTED;
-                    }
-                case QueryInformationLevel.SMB_INFO_IS_NAME_VALID:
-                    {
-                        result = null;
-                        return NTStatus.STATUS_NOT_IMPLEMENTED;
-                    }
-                case QueryInformationLevel.SMB_QUERY_FILE_BASIC_INFO:
-                    {
-                        NTStatus status = fileStore.GetFileInformation(out fileInfo, handle, FileInformationClass.FileBasicInformation);
-                        if (status != NTStatus.STATUS_SUCCESS)
-                        {
-                            return status;
-                        }
-
-                        FileBasicInformation fileBasicInfo = (FileBasicInformation)fileInfo;
-
-                        QueryFileBasicInfo information = new QueryFileBasicInfo();
-                        information.CreationTime = fileBasicInfo.CreationTime;
-                        information.LastAccessTime = fileBasicInfo.LastAccessTime;
-                        information.LastWriteTime = fileBasicInfo.LastWriteTime;
-                        information.LastChangeTime = fileBasicInfo.LastWriteTime;
-                        information.ExtFileAttributes = (ExtendedFileAttributes)fileBasicInfo.FileAttributes;
-                        result = information;
-                        return NTStatus.STATUS_SUCCESS;
-                    }
-                case QueryInformationLevel.SMB_QUERY_FILE_STANDARD_INFO:
-                    {
-                        NTStatus status = fileStore.GetFileInformation(out fileInfo, handle, FileInformationClass.FileStandardInformation);
-                        if (status != NTStatus.STATUS_SUCCESS)
-                        {
-                            return status;
-                        }
-
-                        FileStandardInformation fileStandardInfo = (FileStandardInformation)fileInfo;
-
-                        QueryFileStandardInfo information = new QueryFileStandardInfo();
-                        information.AllocationSize = fileStandardInfo.AllocationSize;
-                        information.EndOfFile = fileStandardInfo.EndOfFile;
-                        information.DeletePending = fileStandardInfo.DeletePending;
-                        information.Directory = fileStandardInfo.Directory;
-                        result = information;
-                        return NTStatus.STATUS_SUCCESS;
-                    }
-                case QueryInformationLevel.SMB_QUERY_FILE_EA_INFO:
-                    {
-                        NTStatus status = fileStore.GetFileInformation(out fileInfo, handle, FileInformationClass.FileEaInformation);
-                        if (status != NTStatus.STATUS_SUCCESS)
-                        {
-                            return status;
-                        }
-
-                        FileEaInformation fileEAInfo = (FileEaInformation)fileInfo;
-
-                        QueryFileExtendedAttributeInfo information = new QueryFileExtendedAttributeInfo();
-                        information.EASize = fileEAInfo.EaSize;
-                        result = information;
-                        return NTStatus.STATUS_SUCCESS;
-                    }
-                case QueryInformationLevel.SMB_QUERY_FILE_NAME_INFO:
-                    {
-                        NTStatus status = fileStore.GetFileInformation(out fileInfo, handle, FileInformationClass.FileNameInformation);
-                        if (status != NTStatus.STATUS_SUCCESS)
-                        {
-                            return status;
-                        }
-
-                        FileNameInformation fileNameInfo = (FileNameInformation)fileInfo;
-
-                        QueryFileNameInfo information = new QueryFileNameInfo();
-                        information.FileName = fileNameInfo.FileName;
-                        result = information;
-                        return NTStatus.STATUS_SUCCESS;
-                    }
-                case QueryInformationLevel.SMB_QUERY_FILE_ALL_INFO:
-                    {
-                        NTStatus status = fileStore.GetFileInformation(out fileInfo, handle, FileInformationClass.FileAllInformation);
-                        if (status != NTStatus.STATUS_SUCCESS)
-                        {
-                            return status;
-                        }
-
-                        FileAllInformation fileAllInfo = (FileAllInformation)fileInfo;
-
-                        QueryFileAllInfo information = new QueryFileAllInfo();
-                        information.CreationDateTime = fileAllInfo.BasicInformation.CreationTime;
-                        information.LastAccessDateTime = fileAllInfo.BasicInformation.LastAccessTime;
-                        information.LastWriteDateTime = fileAllInfo.BasicInformation.LastWriteTime;
-                        information.LastChangeTime = fileAllInfo.BasicInformation.LastWriteTime;
-                        information.ExtFileAttributes = (ExtendedFileAttributes)fileAllInfo.BasicInformation.FileAttributes;
-                        information.AllocationSize = fileAllInfo.StandardInformation.AllocationSize;
-                        information.EndOfFile = fileAllInfo.StandardInformation.EndOfFile;
-                        information.DeletePending = fileAllInfo.StandardInformation.DeletePending;
-                        information.Directory = fileAllInfo.StandardInformation.Directory;
-                        information.EASize = fileAllInfo.EaInformation.EaSize;
-                        information.FileName = fileAllInfo.NameInformation.FileName;
-                        result = information;
-                        return NTStatus.STATUS_SUCCESS;
-                    }
-                case QueryInformationLevel.SMB_QUERY_FILE_ALT_NAME_INFO:
-                    {
-                        NTStatus status = fileStore.GetFileInformation(out fileInfo, handle, FileInformationClass.FileAlternateNameInformation);
-                        if (status != NTStatus.STATUS_SUCCESS)
-                        {
-                            return status;
-                        }
-
-                        FileAlternateNameInformation fileAltNameInfo = (FileAlternateNameInformation)fileInfo;
-
-                        QueryFileAltNameInfo information = new QueryFileAltNameInfo();
-                        information.FileName = fileAltNameInfo.FileName;
-                        result = information;
-                        return NTStatus.STATUS_SUCCESS;
-                    }
-                case QueryInformationLevel.SMB_QUERY_FILE_STREAM_INFO:
-                    {
-                        NTStatus status = fileStore.GetFileInformation(out fileInfo, handle, FileInformationClass.FileStreamInformation);
-                        if (status != NTStatus.STATUS_SUCCESS)
-                        {
-                            return status;
-                        }
-
-                        FileStreamInformation fileStreamInfo = (FileStreamInformation)fileInfo;
-
-                        QueryFileStreamInfo information = new QueryFileStreamInfo();
-                        information.Entries.AddRange(fileStreamInfo.Entries);
-                        result = information;
-                        return NTStatus.STATUS_SUCCESS;
-                    }
-                case QueryInformationLevel.SMB_QUERY_FILE_COMPRESSION_INFO:
-                    {
-                        NTStatus status = fileStore.GetFileInformation(out fileInfo, handle, FileInformationClass.FileCompressionInformation);
-                        if (status != NTStatus.STATUS_SUCCESS)
-                        {
-                            return status;
-                        }
-
-                        FileCompressionInformation fileCompressionInfo = (FileCompressionInformation)fileInfo;
+                informationClass = QueryInformationHelper.ToFileInformationClass(informationLevel);
+            }
+            catch (UnsupportedInformationLevelException)
+            {
+                return NTStatus.STATUS_OS2_INVALID_LEVEL;
+            }
 
-                        QueryFileCompressionInfo information = new QueryFileCompressionInfo();
-                        information.CompressedFileSize = fileCompressionInfo.CompressedFileSize;
-                        information.CompressionFormat = fileCompressionInfo.CompressionFormat;
-                        information.CompressionUnitShift = fileCompressionInfo.CompressionUnitShift;
-                        information.ChunkShift = fileCompressionInfo.ChunkShift;
-                        information.ClusterShift = fileCompressionInfo.ClusterShift;
-                        information.Reserved = fileCompressionInfo.Reserved;
-                        result = information;
-                        return NTStatus.STATUS_SUCCESS;
-                    }
-                default:
-                    {
-                        result = null;
-                        return NTStatus.STATUS_OS2_INVALID_LEVEL;
-                    }
+            FileInformation fileInformation;
+            NTStatus status = fileStore.GetFileInformation(out fileInformation, handle, informationClass);
+            if (status != NTStatus.STATUS_SUCCESS)
+            {
+                return status;
             }
+
+            result = QueryInformationHelper.FromFileInformation(fileInformation);
+            return NTStatus.STATUS_SUCCESS;
         }
     }
 }

SMBLibrary/Server/SMB1/SMB1FileStoreHelper.QueryDirectory.cs

@@ -49,140 +49,5 @@ namespace SMBLibrary.Server.SMB1
                 return NTStatus.STATUS_INVALID_PARAMETER;
             }
         }
-
-        /// <exception cref="SMBLibrary.UnsupportedInformationLevelException"></exception>
-        public static FindInformationList GetFindInformationList(List<QueryDirectoryFileInformation> entries, FindInformationLevel informationLevel, bool isUnicode, int maxLength)
-        {
-            FindInformationList result = new FindInformationList();
-            int pageLength = 0;
-            for (int index = 0; index < entries.Count; index++)
-            {
-                FindInformation infoEntry = GetFindInformation(entries[index], informationLevel);
-                int entryLength = infoEntry.GetLength(isUnicode);
-                if (pageLength + entryLength <= maxLength)
-                {
-                    result.Add(infoEntry);
-                    pageLength += entryLength;
-                }
-                else
-                {
-                    break;
-                }
-            }
-            return result;
-        }
-
-        /// <exception cref="SMBLibrary.UnsupportedInformationLevelException"></exception>
-        public static FindInformation GetFindInformation(QueryDirectoryFileInformation entry, FindInformationLevel informationLevel)
-        {
-            switch (informationLevel)
-            {
-                case FindInformationLevel.SMB_FIND_FILE_DIRECTORY_INFO:
-                    {
-                        FileDirectoryInformation fileDirectoryInfo = (FileDirectoryInformation)entry;
-
-                        FindFileDirectoryInfo result = new FindFileDirectoryInfo();
-                        result.FileIndex = fileDirectoryInfo.FileIndex;
-                        result.CreationTime = fileDirectoryInfo.CreationTime;
-                        result.LastAccessTime = fileDirectoryInfo.LastAccessTime;
-                        result.LastWriteTime = fileDirectoryInfo.LastWriteTime;
-                        result.LastAttrChangeTime = fileDirectoryInfo.LastWriteTime;
-                        result.EndOfFile = fileDirectoryInfo.EndOfFile;
-                        result.AllocationSize = fileDirectoryInfo.AllocationSize;
-                        result.ExtFileAttributes = (ExtendedFileAttributes)fileDirectoryInfo.FileAttributes;
-                        result.FileName = fileDirectoryInfo.FileName;
-                        return result;
-                    }
-                case FindInformationLevel.SMB_FIND_FILE_FULL_DIRECTORY_INFO:
-                    {
-                        FileFullDirectoryInformation fileFullDirectoryInfo = (FileFullDirectoryInformation)entry;
-
-                        FindFileFullDirectoryInfo result = new FindFileFullDirectoryInfo();
-                        result.FileIndex = fileFullDirectoryInfo.FileIndex;
-                        result.CreationTime = fileFullDirectoryInfo.CreationTime;
-                        result.LastAccessTime = fileFullDirectoryInfo.LastAccessTime;
-                        result.LastWriteTime = fileFullDirectoryInfo.LastWriteTime;
-                        result.LastAttrChangeTime = fileFullDirectoryInfo.LastWriteTime;
-                        result.EndOfFile = fileFullDirectoryInfo.EndOfFile;
-                        result.AllocationSize = fileFullDirectoryInfo.AllocationSize;
-                        result.ExtFileAttributes = (ExtendedFileAttributes)fileFullDirectoryInfo.FileAttributes;
-                        result.EASize = fileFullDirectoryInfo.EaSize;
-                        result.FileName = fileFullDirectoryInfo.FileName;
-                        return result;
-                    }
-                case FindInformationLevel.SMB_FIND_FILE_NAMES_INFO:
-                    {
-                        FileNamesInformation fileNamesInfo = (FileNamesInformation)entry;
-
-                        FindFileNamesInfo result = new FindFileNamesInfo();
-                        result.FileIndex = fileNamesInfo.FileIndex;
-                        result.FileName = fileNamesInfo.FileName;
-                        return result;
-                    }
-                case FindInformationLevel.SMB_FIND_FILE_BOTH_DIRECTORY_INFO:
-                    {
-                        FileBothDirectoryInformation fileBothDirectoryInfo = (FileBothDirectoryInformation)entry;
-
-                        FindFileBothDirectoryInfo result = new FindFileBothDirectoryInfo();
-                        result.FileIndex = fileBothDirectoryInfo.FileIndex;
-                        result.CreationTime = fileBothDirectoryInfo.CreationTime;
-                        result.LastAccessTime = fileBothDirectoryInfo.LastAccessTime;
-                        result.LastWriteTime = fileBothDirectoryInfo.LastWriteTime;
-                        result.LastChangeTime = fileBothDirectoryInfo.LastWriteTime;
-                        result.EndOfFile = fileBothDirectoryInfo.EndOfFile;
-                        result.AllocationSize = fileBothDirectoryInfo.AllocationSize;
-                        result.ExtFileAttributes = (ExtendedFileAttributes)fileBothDirectoryInfo.FileAttributes;
-                        result.EASize = fileBothDirectoryInfo.EaSize;
-                        result.Reserved = fileBothDirectoryInfo.Reserved;
-                        result.ShortName = fileBothDirectoryInfo.ShortName;
-                        result.FileName = fileBothDirectoryInfo.FileName;
-                        return result;
-                    }
-                case FindInformationLevel.SMB_FIND_FILE_ID_FULL_DIRECTORY_INFO:
-                    {
-                        FileIdFullDirectoryInformation fileIDFullDirectoryInfo = (FileIdFullDirectoryInformation)entry;
-
-                        FindFileIDFullDirectoryInfo result = new FindFileIDFullDirectoryInfo();
-                        result.FileIndex = fileIDFullDirectoryInfo.FileIndex;
-                        result.CreationTime = fileIDFullDirectoryInfo.CreationTime;
-                        result.LastAccessTime = fileIDFullDirectoryInfo.LastAccessTime;
-                        result.LastWriteTime = fileIDFullDirectoryInfo.LastWriteTime;
-                        result.LastAttrChangeTime = fileIDFullDirectoryInfo.LastWriteTime;
-                        result.EndOfFile = fileIDFullDirectoryInfo.EndOfFile;
-                        result.AllocationSize = fileIDFullDirectoryInfo.AllocationSize;
-                        result.ExtFileAttributes = (ExtendedFileAttributes)fileIDFullDirectoryInfo.FileAttributes;
-                        result.EASize = fileIDFullDirectoryInfo.EaSize;
-                        result.Reserved = fileIDFullDirectoryInfo.Reserved;
-                        result.FileID = fileIDFullDirectoryInfo.FileId;
-                        result.FileName = fileIDFullDirectoryInfo.FileName;
-                        return result;
-                    }
-                case FindInformationLevel.SMB_FIND_FILE_ID_BOTH_DIRECTORY_INFO:
-                    {
-                        FileIdBothDirectoryInformation fileIDBothDirectoryInfo = (FileIdBothDirectoryInformation)entry;
-
-                        FindFileIDBothDirectoryInfo result = new FindFileIDBothDirectoryInfo();
-                        result.FileIndex = fileIDBothDirectoryInfo.FileIndex;
-                        result.CreationTime = fileIDBothDirectoryInfo.CreationTime;
-                        result.LastAccessTime = fileIDBothDirectoryInfo.LastAccessTime;
-                        result.LastWriteTime = fileIDBothDirectoryInfo.LastWriteTime;
-                        result.LastChangeTime = fileIDBothDirectoryInfo.LastWriteTime;
-                        result.EndOfFile = fileIDBothDirectoryInfo.EndOfFile;
-                        result.AllocationSize = fileIDBothDirectoryInfo.AllocationSize;
-                        result.ExtFileAttributes = (ExtendedFileAttributes)fileIDBothDirectoryInfo.FileAttributes;
-                        result.EASize = fileIDBothDirectoryInfo.EaSize;
-                        result.Reserved = fileIDBothDirectoryInfo.Reserved1;
-                        result.ShortName = fileIDBothDirectoryInfo.ShortName;
-                        result.Reserved2 = fileIDBothDirectoryInfo.Reserved2;
-                        result.FileID = fileIDBothDirectoryInfo.FileId;
-                        result.FileName = fileIDBothDirectoryInfo.FileName;
-                        return result;
-                    }
-                default:
-                    {
-                        throw new UnsupportedInformationLevelException();
-                    }
-            }
-        }
     }
 }

SMBLibrary/Server/SMB1/SMB1FileStoreHelper.QueryFileSystem.cs

@@ -17,83 +17,25 @@ namespace SMBLibrary.Server.SMB1
         public static NTStatus GetFileSystemInformation(out QueryFSInformation result, INTFileStore fileStore, QueryFSInformationLevel informationLevel)
         {
             result = null;
+            FileSystemInformationClass informationClass;
+            try
+            {
+                informationClass = QueryFSInformationHelper.ToFileSystemInformationClass(informationLevel);
+            }
+            catch (UnsupportedInformationLevelException)
+            {
+                return NTStatus.STATUS_OS2_INVALID_LEVEL;
+            }
 
             FileSystemInformation fsInfo;
-            switch (informationLevel)
+            NTStatus status = fileStore.GetFileSystemInformation(out fsInfo, informationClass);
+            if (status != NTStatus.STATUS_SUCCESS)
             {
-                case QueryFSInformationLevel.SMB_QUERY_FS_VOLUME_INFO:
-                    {
-                        NTStatus status = fileStore.GetFileSystemInformation(out fsInfo, FileSystemInformationClass.FileFsVolumeInformation);
-                        if (status != NTStatus.STATUS_SUCCESS)
-                        {
-                            return status;
-                        }
-
-                        FileFsVolumeInformation volumeInfo = (FileFsVolumeInformation)fsInfo;
-
-                        QueryFSVolumeInfo information = new QueryFSVolumeInfo();
-                        information.VolumeCreationTime = volumeInfo.VolumeCreationTime;
-                        information.SerialNumber = volumeInfo.VolumeSerialNumber;
-                        information.VolumeLabel = volumeInfo.VolumeLabel;
-                        result = information;
-                        return NTStatus.STATUS_SUCCESS;
-                    }
-                case QueryFSInformationLevel.SMB_QUERY_FS_SIZE_INFO:
-                    {
-                        NTStatus status = fileStore.GetFileSystemInformation(out fsInfo, FileSystemInformationClass.FileFsSizeInformation);
-                        if (status != NTStatus.STATUS_SUCCESS)
-                        {
-                            return status;
-                        }
-
-                        FileFsSizeInformation fsSizeInfo = (FileFsSizeInformation)fsInfo;
-
-                        QueryFSSizeInfo information = new QueryFSSizeInfo();
-                        information.TotalAllocationUnits = fsSizeInfo.TotalAllocationUnits;
-                        information.TotalFreeAllocationUnits = fsSizeInfo.AvailableAllocationUnits;
-                        information.BytesPerSector = fsSizeInfo.BytesPerSector;
-                        information.SectorsPerAllocationUnit = fsSizeInfo.SectorsPerAllocationUnit;
-                        result = information;
-                        return NTStatus.STATUS_SUCCESS;
-                    }
-                case QueryFSInformationLevel.SMB_QUERY_FS_DEVICE_INFO:
-                    {
-                        NTStatus status = fileStore.GetFileSystemInformation(out fsInfo, FileSystemInformationClass.FileFsDeviceInformation);
-                        if (status != NTStatus.STATUS_SUCCESS)
-                        {
-                            return status;
-                        }
-
-                        FileFsDeviceInformation fsDeviceInfo = (FileFsDeviceInformation)fsInfo;
-
-                        QueryFSDeviceInfo information = new QueryFSDeviceInfo();
-                        information.DeviceType = fsDeviceInfo.DeviceType;
-                        information.DeviceCharacteristics = fsDeviceInfo.Characteristics;
-                        result = information;
-                        return NTStatus.STATUS_SUCCESS;
-                    }
-                case QueryFSInformationLevel.SMB_QUERY_FS_ATTRIBUTE_INFO:
-                    {
-                        NTStatus status = fileStore.GetFileSystemInformation(out fsInfo, FileSystemInformationClass.FileFsAttributeInformation);
-                        if (status != NTStatus.STATUS_SUCCESS)
-                        {
-                            return status;
-                        }
-
-                        FileFsAttributeInformation fsAttributeInfo = (FileFsAttributeInformation)fsInfo;
-
-                        QueryFSAttibuteInfo information = new QueryFSAttibuteInfo();
-                        information.FileSystemAttributes = fsAttributeInfo.FileSystemAttributes;
-                        information.MaxFileNameLengthInBytes = fsAttributeInfo.MaximumComponentNameLength;
-                        information.FileSystemName = fsAttributeInfo.FileSystemName;
-                        result = information;
-                        return NTStatus.STATUS_SUCCESS;
-                    }
-                default:
-                    {
-                        return NTStatus.STATUS_OS2_INVALID_LEVEL;
-                    }
+                return status;
             }
+
+            result = QueryFSInformationHelper.FromFileSystemInformation(fsInfo);
+            return NTStatus.STATUS_SUCCESS;
         }
     }
 }

SMBLibrary/Server/SMB1/SMB1FileStoreHelper.Set.cs

@@ -17,42 +17,8 @@ namespace SMBLibrary.Server.SMB1
     {
         public static NTStatus SetFileInformation(INTFileStore fileStore, object handle, SetInformation information)
         {
-            if (information is SetFileBasicInfo)
-            {
-                SetFileBasicInfo basicInfo = (SetFileBasicInfo)information;
-                FileBasicInformation fileBasicInfo = new FileBasicInformation();
-                fileBasicInfo.CreationTime = basicInfo.CreationTime;
-                fileBasicInfo.LastAccessTime = basicInfo.LastAccessTime;
-                fileBasicInfo.LastWriteTime = basicInfo.LastWriteTime;
-                fileBasicInfo.ChangeTime = basicInfo.LastChangeTime;
-                fileBasicInfo.FileAttributes = (FileAttributes)basicInfo.ExtFileAttributes;
-                fileBasicInfo.Reserved = basicInfo.Reserved;
-                return fileStore.SetFileInformation(handle, fileBasicInfo);
-            }
-            else if (information is SetFileDispositionInfo)
-            {
-                FileDispositionInformation fileDispositionInfo = new FileDispositionInformation();
-                fileDispositionInfo.DeletePending = ((SetFileDispositionInfo)information).DeletePending;
-                return fileStore.SetFileInformation(handle, fileDispositionInfo);
-            }
-            else if (information is SetFileAllocationInfo)
-            {
-                // This information level is used to set the file length in bytes.
-                // Note: the input will NOT be a multiple of the cluster size / bytes per sector.
-                FileAllocationInformation fileAllocationInfo = new FileAllocationInformation();
-                fileAllocationInfo.AllocationSize = ((SetFileAllocationInfo)information).AllocationSize;
-                return fileStore.SetFileInformation(handle, fileAllocationInfo);
-            }
-            else if (information is SetFileEndOfFileInfo)
-            {
-                FileEndOfFileInformation fileEndOfFileInfo = new FileEndOfFileInformation();
-                fileEndOfFileInfo.EndOfFile = ((SetFileEndOfFileInfo)information).EndOfFile;
-                return fileStore.SetFileInformation(handle, fileEndOfFileInfo);
-            }
-            else
-            {
-                return NTStatus.STATUS_NOT_IMPLEMENTED;
-            }
+            FileInformation fileInformation = SetInformationHelper.ToFileInformation(information);
+            return fileStore.SetFileInformation(handle, fileInformation);
         }
     }
 }

SMBLibrary/Server/SMB1/Transaction2SubcommandHelper.cs

@@ -28,7 +28,7 @@ namespace SMBLibrary.Server.SMB1
             FileInformationClass informationClass;
             try
             {
-                informationClass = GetFileInformationClass(subcommand.InformationLevel);
+                informationClass = FindInformationHelper.ToFileInformationClass(subcommand.InformationLevel);
             }
             catch (UnsupportedInformationLevelException)
             {
@@ -61,7 +61,7 @@ namespace SMBLibrary.Server.SMB1
             FindInformationList findInformationList;
             try
             {
-                findInformationList = SMB1FileStoreHelper.GetFindInformationList(segment, subcommand.InformationLevel, header.UnicodeFlag, maxLength);
+                findInformationList = FindInformationHelper.GetFindInformationList(segment, header.UnicodeFlag, maxLength);
             }
             catch (UnsupportedInformationLevelException)
             {
@@ -112,7 +112,7 @@ namespace SMBLibrary.Server.SMB1
             FindInformationList findInformationList;
             try
             {
-                findInformationList = SMB1FileStoreHelper.GetFindInformationList(segment, subcommand.InformationLevel, header.UnicodeFlag, maxLength);
+                findInformationList = FindInformationHelper.GetFindInformationList(segment, header.UnicodeFlag, maxLength);
             }
             catch (UnsupportedInformationLevelException)
             {
@@ -277,26 +277,5 @@ namespace SMBLibrary.Server.SMB1
             Transaction2SetFileInformationResponse response = new Transaction2SetFileInformationResponse();
             return response;
         }
-
-        private static FileInformationClass GetFileInformationClass(FindInformationLevel informationLevel)
-        {
-            switch (informationLevel)
-            {
-                case FindInformationLevel.SMB_FIND_FILE_DIRECTORY_INFO:
-                    return FileInformationClass.FileDirectoryInformation;
-                case FindInformationLevel.SMB_FIND_FILE_FULL_DIRECTORY_INFO:
-                    return FileInformationClass.FileFullDirectoryInformation;
-                case FindInformationLevel.SMB_FIND_FILE_NAMES_INFO:
-                    return FileInformationClass.FileNamesInformation;
-                case FindInformationLevel.SMB_FIND_FILE_BOTH_DIRECTORY_INFO:
-                    return FileInformationClass.FileBothDirectoryInformation;
-                case FindInformationLevel.SMB_FIND_FILE_ID_FULL_DIRECTORY_INFO:
-                    return FileInformationClass.FileIdFullDirectoryInformation;
-                case FindInformationLevel.SMB_FIND_FILE_ID_BOTH_DIRECTORY_INFO:
-                    return FileInformationClass.FileIdBothDirectoryInformation;
-                default:
-                    throw new UnsupportedInformationLevelException();
-            }
-        }
     }
 }