mirror of
https://github.com/reactos/reactos.git
synced 2024-08-26 21:28:48 +00:00
![Amine Khaldi](/assets/img/avatar_default.png)
* Create a branch for some evul shell experiments. svn path=/branches/shell-experiments/; revision=61927
282 lines
8.2 KiB
C
282 lines
8.2 KiB
C
/*
|
|
* ReactOS kernel
|
|
* Copyright (C) 2002 ReactOS Team
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*
|
|
* COPYRIGHT: See COPYING in the top level directory
|
|
* PROJECT: ReactOS kernel
|
|
* FILE: drivers/filesystem/ntfs/dirctl.c
|
|
* PURPOSE: NTFS filesystem driver
|
|
* PROGRAMMER: Eric Kohl
|
|
*/
|
|
|
|
/* INCLUDES *****************************************************************/
|
|
|
|
#include "ntfs.h"
|
|
|
|
#define NDEBUG
|
|
#include <debug.h>
|
|
|
|
/* FUNCTIONS ****************************************************************/
|
|
|
|
/*
|
|
* FUNCTION: Retrieve the standard file information
|
|
*/
|
|
static
|
|
NTSTATUS
|
|
NtfsGetStandardInformation(PNTFS_FCB Fcb,
|
|
PDEVICE_OBJECT DeviceObject,
|
|
PFILE_STANDARD_INFORMATION StandardInfo,
|
|
PULONG BufferLength)
|
|
{
|
|
UNREFERENCED_PARAMETER(DeviceObject);
|
|
|
|
DPRINT("NtfsGetStandardInformation() called\n");
|
|
|
|
if (*BufferLength < sizeof(FILE_STANDARD_INFORMATION))
|
|
return STATUS_BUFFER_OVERFLOW;
|
|
|
|
/* PRECONDITION */
|
|
ASSERT(StandardInfo != NULL);
|
|
ASSERT(Fcb != NULL);
|
|
|
|
RtlZeroMemory(StandardInfo,
|
|
sizeof(FILE_STANDARD_INFORMATION));
|
|
|
|
StandardInfo->AllocationSize = Fcb->RFCB.AllocationSize;
|
|
StandardInfo->EndOfFile = Fcb->RFCB.FileSize;
|
|
StandardInfo->NumberOfLinks = 0;
|
|
StandardInfo->DeletePending = FALSE;
|
|
StandardInfo->Directory = NtfsFCBIsDirectory(Fcb);
|
|
|
|
*BufferLength -= sizeof(FILE_STANDARD_INFORMATION);
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
|
|
static
|
|
NTSTATUS
|
|
NtfsGetPositionInformation(PFILE_OBJECT FileObject,
|
|
PFILE_POSITION_INFORMATION PositionInfo,
|
|
PULONG BufferLength)
|
|
{
|
|
UNREFERENCED_PARAMETER(FileObject);
|
|
|
|
DPRINT("NtfsGetPositionInformation() called\n");
|
|
|
|
if (*BufferLength < sizeof(FILE_POSITION_INFORMATION))
|
|
return STATUS_BUFFER_OVERFLOW;
|
|
|
|
PositionInfo->CurrentByteOffset.QuadPart = 0;
|
|
// FileObject->CurrentByteOffset.QuadPart;
|
|
|
|
DPRINT("Getting position %I64x\n",
|
|
PositionInfo->CurrentByteOffset.QuadPart);
|
|
|
|
*BufferLength -= sizeof(FILE_POSITION_INFORMATION);
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
|
|
static
|
|
NTSTATUS
|
|
NtfsGetBasicInformation(PFILE_OBJECT FileObject,
|
|
PNTFS_FCB Fcb,
|
|
PDEVICE_OBJECT DeviceObject,
|
|
PFILE_BASIC_INFORMATION BasicInfo,
|
|
PULONG BufferLength)
|
|
{
|
|
DPRINT("NtfsGetBasicInformation() called\n");
|
|
|
|
if (*BufferLength < sizeof(FILE_BASIC_INFORMATION))
|
|
return STATUS_BUFFER_OVERFLOW;
|
|
|
|
#if 0
|
|
CdfsDateTimeToFileTime(Fcb,
|
|
&BasicInfo->CreationTime);
|
|
CdfsDateTimeToFileTime(Fcb,
|
|
&BasicInfo->LastAccessTime);
|
|
CdfsDateTimeToFileTime(Fcb,
|
|
&BasicInfo->LastWriteTime);
|
|
CdfsDateTimeToFileTime(Fcb,
|
|
&BasicInfo->ChangeTime);
|
|
|
|
CdfsFileFlagsToAttributes(Fcb,
|
|
&BasicInfo->FileAttributes);
|
|
#else
|
|
UNREFERENCED_PARAMETER(FileObject);
|
|
UNREFERENCED_PARAMETER(Fcb);
|
|
UNREFERENCED_PARAMETER(DeviceObject);
|
|
UNREFERENCED_PARAMETER(BasicInfo);
|
|
#endif
|
|
|
|
*BufferLength -= sizeof(FILE_BASIC_INFORMATION);
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
|
|
/*
|
|
* FUNCTION: Retrieve the file name information
|
|
*/
|
|
static
|
|
NTSTATUS
|
|
NtfsGetNameInformation(PFILE_OBJECT FileObject,
|
|
PNTFS_FCB Fcb,
|
|
PDEVICE_OBJECT DeviceObject,
|
|
PFILE_NAME_INFORMATION NameInfo,
|
|
PULONG BufferLength)
|
|
{
|
|
ULONG NameLength;
|
|
|
|
UNREFERENCED_PARAMETER(FileObject);
|
|
UNREFERENCED_PARAMETER(DeviceObject);
|
|
|
|
DPRINT("NtfsGetNameInformation() called\n");
|
|
|
|
ASSERT(NameInfo != NULL);
|
|
ASSERT(Fcb != NULL);
|
|
|
|
NameLength = wcslen(Fcb->PathName) * sizeof(WCHAR);
|
|
// NameLength = 2;
|
|
if (*BufferLength < sizeof(FILE_NAME_INFORMATION) + NameLength)
|
|
return STATUS_BUFFER_OVERFLOW;
|
|
|
|
NameInfo->FileNameLength = NameLength;
|
|
memcpy(NameInfo->FileName,
|
|
Fcb->PathName,
|
|
NameLength + sizeof(WCHAR));
|
|
// wcscpy(NameInfo->FileName, L"\\");
|
|
|
|
*BufferLength -= (sizeof(FILE_NAME_INFORMATION) + NameLength + sizeof(WCHAR));
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
|
|
static
|
|
NTSTATUS
|
|
NtfsGetInternalInformation(PNTFS_FCB Fcb,
|
|
PFILE_INTERNAL_INFORMATION InternalInfo,
|
|
PULONG BufferLength)
|
|
{
|
|
DPRINT("NtfsGetInternalInformation() called\n");
|
|
|
|
ASSERT(InternalInfo);
|
|
ASSERT(Fcb);
|
|
|
|
if (*BufferLength < sizeof(FILE_INTERNAL_INFORMATION))
|
|
return STATUS_BUFFER_OVERFLOW;
|
|
|
|
/* FIXME: get a real index, that can be used in a create operation */
|
|
InternalInfo->IndexNumber.QuadPart = 0;
|
|
|
|
*BufferLength -= sizeof(FILE_INTERNAL_INFORMATION);
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
|
|
/*
|
|
* FUNCTION: Retrieve the specified file information
|
|
*/
|
|
NTSTATUS
|
|
NTAPI
|
|
NtfsFsdQueryInformation(PDEVICE_OBJECT DeviceObject,
|
|
PIRP Irp)
|
|
{
|
|
FILE_INFORMATION_CLASS FileInformationClass;
|
|
PIO_STACK_LOCATION Stack;
|
|
PFILE_OBJECT FileObject;
|
|
PNTFS_FCB Fcb;
|
|
PVOID SystemBuffer;
|
|
ULONG BufferLength;
|
|
NTSTATUS Status = STATUS_SUCCESS;
|
|
|
|
DPRINT("NtfsQueryInformation() called\n");
|
|
|
|
Stack = IoGetCurrentIrpStackLocation(Irp);
|
|
FileInformationClass = Stack->Parameters.QueryFile.FileInformationClass;
|
|
FileObject = Stack->FileObject;
|
|
Fcb = FileObject->FsContext;
|
|
|
|
SystemBuffer = Irp->AssociatedIrp.SystemBuffer;
|
|
BufferLength = Stack->Parameters.QueryFile.Length;
|
|
|
|
switch (FileInformationClass)
|
|
{
|
|
case FileStandardInformation:
|
|
Status = NtfsGetStandardInformation(Fcb,
|
|
DeviceObject,
|
|
SystemBuffer,
|
|
&BufferLength);
|
|
break;
|
|
|
|
case FilePositionInformation:
|
|
Status = NtfsGetPositionInformation(FileObject,
|
|
SystemBuffer,
|
|
&BufferLength);
|
|
break;
|
|
|
|
case FileBasicInformation:
|
|
Status = NtfsGetBasicInformation(FileObject,
|
|
Fcb,
|
|
DeviceObject,
|
|
SystemBuffer,
|
|
&BufferLength);
|
|
break;
|
|
|
|
case FileNameInformation:
|
|
Status = NtfsGetNameInformation(FileObject,
|
|
Fcb,
|
|
DeviceObject,
|
|
SystemBuffer,
|
|
&BufferLength);
|
|
break;
|
|
|
|
case FileInternalInformation:
|
|
Status = NtfsGetInternalInformation(Fcb,
|
|
SystemBuffer,
|
|
&BufferLength);
|
|
break;
|
|
|
|
case FileAlternateNameInformation:
|
|
case FileAllInformation:
|
|
Status = STATUS_NOT_IMPLEMENTED;
|
|
break;
|
|
|
|
default:
|
|
DPRINT("Unimplemented information class %u\n", FileInformationClass);
|
|
Status = STATUS_INVALID_PARAMETER;
|
|
}
|
|
|
|
Irp->IoStatus.Status = Status;
|
|
|
|
if (NT_SUCCESS(Status))
|
|
Irp->IoStatus.Information =
|
|
Stack->Parameters.QueryFile.Length - BufferLength;
|
|
else
|
|
Irp->IoStatus.Information = 0;
|
|
|
|
IoCompleteRequest(Irp, IO_NO_INCREMENT);
|
|
|
|
return Status;
|
|
}
|
|
|
|
/* EOF */
|