reactos/rosapps/ext2/attr.c

136 lines
3.8 KiB
C

/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* FILE: services/fs/ext2/attr.c
* PURPOSE: Set/Get file attributes support
* PROGRAMMER: David Welch (welch@cwcom.net)
* UPDATE HISTORY:
*/
/* INCLUDES *****************************************************************/
#include <ntddk.h>
#include <wchar.h>
#include <string.h>
//#define NDEBUG
#include <debug.h>
#include "ext2fs.h"
/* FUNCTIONS ****************************************************************/
NTSTATUS STDCALL
Ext2SetInformation(PDEVICE_OBJECT DeviceObject, PIRP Irp)
{
DPRINT("Ext2SetInformation(DeviceObject %x Irp %x)\n",DeviceObject,Irp);
Irp->IoStatus.Status = STATUS_NOT_IMPLEMENTED;
Irp->IoStatus.Information = 0;
IoCompleteRequest(Irp,
IO_NO_INCREMENT);
return(STATUS_UNSUCCESSFUL);
}
NTSTATUS STDCALL
Ext2QueryInformation(PDEVICE_OBJECT DeviceObject, PIRP Irp)
{
NTSTATUS Status;
PIO_STACK_LOCATION Param;
PFILE_OBJECT FileObject;
PDEVICE_EXTENSION DeviceExt;
ULONG Length;
PFILE_BASIC_INFORMATION PFileBasicInformation;
PFILE_STANDARD_INFORMATION PFileStandardInformation;
PFILE_INTERNAL_INFORMATION PFileInternalInformation;
PFILE_EA_INFORMATION PFileEaInformation;
PFILE_ACCESS_INFORMATION PFileAccessInformation;
PFILE_NAME_INFORMATION PFileNameInformation;
PFILE_POSITION_INFORMATION PFilePositionInformation;
PVOID Buffer;
DPRINT("Ext2QueryInformation(DeviceObject %x Irp %x)\n", DeviceObject, Irp);
Param = IoGetCurrentIrpStackLocation(Irp);
FileObject = Param->FileObject;
DeviceExt = DeviceObject->DeviceExtension;
Length = Param->Parameters.QueryFile.Length;
Buffer = Irp->AssociatedIrp.SystemBuffer;
switch (Param->Parameters.QueryFile.FileInformationClass)
{
case FileDirectoryInformation:
case FileFullDirectoryInformation:
case FileBothDirectoryInformation:
Status = STATUS_NOT_IMPLEMENTED;
break;
case FileBasicInformation:
PFileBasicInformation = (PFILE_BASIC_INFORMATION)Buffer;
memset(PFileBasicInformation, 0, sizeof(FILE_BASIC_INFORMATION));
Status = STATUS_SUCCESS;
break;
case FileStandardInformation:
PFileStandardInformation = (PFILE_STANDARD_INFORMATION)Buffer;
memset(PFileStandardInformation, 0, sizeof(FILE_STANDARD_INFORMATION));
Status = STATUS_SUCCESS;
break;
case FileInternalInformation:
PFileInternalInformation = (PFILE_INTERNAL_INFORMATION)Buffer;
memset(PFileInternalInformation, 0, sizeof(FILE_INTERNAL_INFORMATION));
Status = STATUS_SUCCESS;
break;
case FileEaInformation:
PFileEaInformation = (PFILE_EA_INFORMATION)Buffer;
memset(PFileEaInformation, 0, sizeof(FILE_EA_INFORMATION));
PFileEaInformation->EaSize = 0;
Status = STATUS_SUCCESS;
break;
case FileAccessInformation:
PFileAccessInformation = (PFILE_ACCESS_INFORMATION)Buffer;
memset(PFileAccessInformation, 0, sizeof(FILE_ACCESS_INFORMATION));
PFileAccessInformation->AccessFlags = 0;
Status = STATUS_SUCCESS;
break;
case FileNameInformation:
PFileNameInformation = (PFILE_NAME_INFORMATION)Buffer;
memset(PFileNameInformation, 0, sizeof(FILE_NAME_INFORMATION));
Status = STATUS_SUCCESS;
break;
case FilePositionInformation:
PFilePositionInformation = (PFILE_POSITION_INFORMATION)Buffer;
memcpy(PFilePositionInformation,
&FileObject->CurrentByteOffset,
sizeof(FileObject->CurrentByteOffset));
Status = STATUS_SUCCESS;
break;
case FileRenameInformation:
Status = STATUS_NOT_IMPLEMENTED;
break;
default:
Status = STATUS_NOT_SUPPORTED;
}
Irp->IoStatus.Status = Status;
if (NT_SUCCESS(Status))
Irp->IoStatus.Information =
Param->Parameters.QueryFile.Length - Length;
else
Irp->IoStatus.Information = 0;
IoCompleteRequest(Irp,
IO_NO_INCREMENT);
return(Status);
}