/*
* FUNCTION: Retrieve the basic file information
*/
static NTSTATUS
CdfsGetBasicInformation(PFILE_OBJECT FileObject,
PFCB Fcb,
PDEVICE_OBJECT DeviceObject,
PFILE_BASIC_INFORMATION BasicInfo,
PULONG BufferLength)
{
DPRINT("CdfsGetBasicInformation() called\n");
UNREFERENCED_PARAMETER(FileObject);
UNREFERENCED_PARAMETER(DeviceObject);
if (*BufferLength < sizeof(FILE_BASIC_INFORMATION))
return STATUS_BUFFER_OVERFLOW;
CdfsDateTimeToSystemTime(Fcb,
&BasicInfo->CreationTime);
CdfsDateTimeToSystemTime(Fcb,
&BasicInfo->LastAccessTime);
CdfsDateTimeToSystemTime(Fcb,
&BasicInfo->LastWriteTime);
CdfsDateTimeToSystemTime(Fcb,
&BasicInfo->ChangeTime);
CdfsFileFlagsToAttributes(Fcb,
&BasicInfo->FileAttributes);
*BufferLength -= sizeof(FILE_BASIC_INFORMATION);
return(STATUS_SUCCESS);
}
static NTSTATUS
CdfsGetBothDirectoryInformation(PFCB Fcb,
PDEVICE_EXTENSION DeviceExt,
PFILE_BOTH_DIR_INFORMATION Info,
ULONG BufferLength)
{
ULONG Length;
DPRINT("CdfsGetBothDirectoryInformation() called\n");
UNREFERENCED_PARAMETER(DeviceExt);
Length = wcslen(Fcb->ObjectName) * sizeof(WCHAR);
if ((sizeof (FILE_BOTH_DIR_INFORMATION) + Length) > BufferLength)
return(STATUS_BUFFER_OVERFLOW);
Info->FileNameLength = Length;
Info->NextEntryOffset =
ROUND_UP(sizeof(FILE_BOTH_DIR_INFORMATION) + Length, sizeof(ULONG));
RtlCopyMemory(Info->FileName, Fcb->ObjectName, Length);
/* Convert file times */
CdfsDateTimeToSystemTime(Fcb,
&Info->CreationTime);
Info->LastWriteTime = Info->CreationTime;
Info->ChangeTime = Info->CreationTime;
/* Convert file flags */
CdfsFileFlagsToAttributes(Fcb,
&Info->FileAttributes);
if (CdfsFCBIsDirectory(Fcb))
{
Info->EndOfFile.QuadPart = 0;
Info->AllocationSize.QuadPart = 0;
}
else
{
Info->EndOfFile.QuadPart = Fcb->Entry.DataLengthL;
/* Make AllocSize a rounded up multiple of the sector size */
Info->AllocationSize.QuadPart = ROUND_UP(Fcb->Entry.DataLengthL, BLOCKSIZE);
}
// Info->FileIndex=;
Info->EaSize = 0;
/* Copy short name */
ASSERT(Fcb->ShortNameU.Length / sizeof(WCHAR) <= 12);
Info->ShortNameLength = (CCHAR)Fcb->ShortNameU.Length;
RtlCopyMemory(Info->ShortName, Fcb->ShortNameU.Buffer, Fcb->ShortNameU.Length);
return(STATUS_SUCCESS);
}
/*
* FUNCTION: Retrieve the file network open information
*/
static NTSTATUS
CdfsGetNetworkOpenInformation(PFCB Fcb,
PFILE_NETWORK_OPEN_INFORMATION NetworkInfo,
PULONG BufferLength)
{
ASSERT(NetworkInfo);
ASSERT(Fcb);
if (*BufferLength < sizeof(FILE_NETWORK_OPEN_INFORMATION))
return(STATUS_BUFFER_OVERFLOW);
CdfsDateTimeToSystemTime(Fcb,
&NetworkInfo->CreationTime);
CdfsDateTimeToSystemTime(Fcb,
&NetworkInfo->LastAccessTime);
CdfsDateTimeToSystemTime(Fcb,
&NetworkInfo->LastWriteTime);
CdfsDateTimeToSystemTime(Fcb,
&NetworkInfo->ChangeTime);
if (CdfsFCBIsDirectory(Fcb))
{
NetworkInfo->AllocationSize.QuadPart = 0LL;
NetworkInfo->EndOfFile.QuadPart = 0LL;
}
else
{
NetworkInfo->AllocationSize = Fcb->RFCB.AllocationSize;
NetworkInfo->EndOfFile = Fcb->RFCB.FileSize;
}
CdfsFileFlagsToAttributes(Fcb,
&NetworkInfo->FileAttributes);
*BufferLength -= sizeof(FILE_NETWORK_OPEN_INFORMATION);
return(STATUS_SUCCESS);
}
/*
* FUNCTION: Retrieve all file information
*/
static NTSTATUS
CdfsGetAllInformation(PFILE_OBJECT FileObject,
PFCB Fcb,
PFILE_ALL_INFORMATION Info,
PULONG BufferLength)
{
ULONG NameLength;
ASSERT(Info);
ASSERT(Fcb);
NameLength = Fcb->PathName.Length;
if (*BufferLength < sizeof(FILE_ALL_INFORMATION) + NameLength)
return(STATUS_BUFFER_OVERFLOW);
/* Basic Information */
CdfsDateTimeToSystemTime(Fcb,
&Info->BasicInformation.CreationTime);
CdfsDateTimeToSystemTime(Fcb,
&Info->BasicInformation.LastAccessTime);
CdfsDateTimeToSystemTime(Fcb,
&Info->BasicInformation.LastWriteTime);
CdfsDateTimeToSystemTime(Fcb,
&Info->BasicInformation.ChangeTime);
CdfsFileFlagsToAttributes(Fcb,
&Info->BasicInformation.FileAttributes);
/* Standard Information */
if (CdfsFCBIsDirectory(Fcb))
{
Info->StandardInformation.AllocationSize.QuadPart = 0LL;
Info->StandardInformation.EndOfFile.QuadPart = 0LL;
Info->StandardInformation.Directory = TRUE;
}
else
{
Info->StandardInformation.AllocationSize = Fcb->RFCB.AllocationSize;
Info->StandardInformation.EndOfFile = Fcb->RFCB.FileSize;
Info->StandardInformation.Directory = FALSE;
}
Info->StandardInformation.NumberOfLinks = 0;
Info->StandardInformation.DeletePending = FALSE;
/* Internal Information */
Info->InternalInformation.IndexNumber.QuadPart = Fcb->IndexNumber.QuadPart;
/* EA Information */
Info->EaInformation.EaSize = 0;
/* Access Information */
/* The IO-Manager adds this information */
/* Position Information */
Info->PositionInformation.CurrentByteOffset.QuadPart = FileObject->CurrentByteOffset.QuadPart;
/* Mode Information */
/* The IO-Manager adds this information */
/* Alignment Information */
/* The IO-Manager adds this information */
/* Name Information */
Info->NameInformation.FileNameLength = NameLength;
RtlCopyMemory(Info->NameInformation.FileName,
Fcb->PathName.Buffer,
NameLength + sizeof(WCHAR));
*BufferLength -= (sizeof(FILE_ALL_INFORMATION) + NameLength + sizeof(WCHAR));
return STATUS_SUCCESS;
}
