public static NTStatus GetFileInformation(out QueryInformation result, INTFileStore fileStore, object handle, QueryInformationLevel informationLevel)
{
result = null;
FileInformation fileInfo;
switch (informationLevel)
{
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.StreamSize = fileStreamInfo.StreamSize;
information.StreamAllocationSize = fileStreamInfo.StreamAllocationSize;
information.StreamName = fileStreamInfo.StreamName;
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;
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);
}
}
}
internal static QueryInformation FromFileSystemEntry(FileSystemEntry entry, QueryInformationLevel informationLevel)
{
switch (informationLevel)
{
case QueryInformationLevel.SMB_INFO_STANDARD:
{
QueryInfoStandard result = new QueryInfoStandard();
result.CreationDateTime = entry.CreationTime;
result.LastAccessDateTime = entry.LastAccessTime;
result.LastWriteDateTime = entry.LastWriteTime;
result.FileDataSize = (uint)Math.Min(entry.Size, UInt32.MaxValue);
result.AllocationSize = (uint)Math.Min(GetAllocationSize(entry.Size), UInt32.MaxValue);
return(result);
}
case QueryInformationLevel.SMB_INFO_QUERY_EA_SIZE:
{
QueryEASize result = new QueryEASize();
result.CreationDateTime = entry.CreationTime;
result.LastAccessDateTime = entry.LastAccessTime;
result.LastWriteDateTime = entry.LastWriteTime;
result.FileDataSize = (uint)Math.Min(entry.Size, UInt32.MaxValue);
result.AllocationSize = (uint)Math.Min(GetAllocationSize(entry.Size), UInt32.MaxValue);
result.Attributes = GetFileAttributes(entry);
result.EASize = 0;
return(result);
}
case QueryInformationLevel.SMB_INFO_QUERY_EAS_FROM_LIST:
{
throw new NotImplementedException();
}
case QueryInformationLevel.SMB_INFO_QUERY_ALL_EAS:
{
throw new NotImplementedException();
}
case QueryInformationLevel.SMB_INFO_IS_NAME_VALID:
{
throw new NotImplementedException();
}
case QueryInformationLevel.SMB_QUERY_FILE_BASIC_INFO:
{
QueryFileBasicInfo result = new QueryFileBasicInfo();
result.CreationDateTime = entry.CreationTime;
result.LastAccessDateTime = entry.LastAccessTime;
result.LastWriteDateTime = entry.LastWriteTime;
result.LastChangeTime = entry.LastWriteTime;
result.ExtFileAttributes = GetExtendedFileAttributes(entry);
return(result);
}
case QueryInformationLevel.SMB_QUERY_FILE_STANDARD_INFO:
{
QueryFileStandardInfo result = new QueryFileStandardInfo();
result.AllocationSize = GetAllocationSize(entry.Size);
result.EndOfFile = entry.Size;
result.Directory = entry.IsDirectory;
return(result);
}
case QueryInformationLevel.SMB_QUERY_FILE_EA_INFO:
{
QueryFileExtendedAttributeInfo result = new QueryFileExtendedAttributeInfo();
result.EASize = 0;
return(result);
}
case QueryInformationLevel.SMB_QUERY_FILE_NAME_INFO:
{
QueryFileNameInfo result = new QueryFileNameInfo();
result.FileName = entry.Name;
return(result);
}
case QueryInformationLevel.SMB_QUERY_FILE_ALL_INFO:
{
QueryFileAllInfo result = new QueryFileAllInfo();
result.CreationDateTime = entry.CreationTime;
result.LastAccessDateTime = entry.LastAccessTime;
result.LastWriteDateTime = entry.LastWriteTime;
result.ExtFileAttributes = GetExtendedFileAttributes(entry);
result.LastChangeTime = entry.LastWriteTime;
result.AllocationSize = GetAllocationSize(entry.Size);
result.EndOfFile = entry.Size;
result.DeletePending = false; // We delete immediately
result.Directory = entry.IsDirectory;
result.EASize = 0;
result.FileName = entry.Name;
return(result);
}
case QueryInformationLevel.SMB_QUERY_FILE_ALT_NAME_INFO:
{
QueryFileAltNameInfo result = new QueryFileAltNameInfo();
result.FileName = GetShortName(entry.Name);
return(result);
}
case QueryInformationLevel.SMB_QUERY_FILE_STREAM_INFO:
{
QueryFileStreamInfo result = new QueryFileStreamInfo();
result.StreamSize = entry.Size;
result.StreamAllocationSize = GetAllocationSize(entry.Size);
result.StreamName = "::$DATA";
return(result);
}
case QueryInformationLevel.SMB_QUERY_FILE_COMPRESSION_INFO:
{
QueryFileCompressionInfo result = new QueryFileCompressionInfo();
result.CompressionFormat = CompressionFormat.COMPRESSION_FORMAT_NONE;
return(result);
}
default:
{
throw new UnsupportedInformationLevelException();
}
}
}
