mirror of
https://github.com/reactos/reactos.git
synced 2024-10-05 17:06:29 +00:00
[NTFS]
- Move FSCTL_GET_NTFS_VOLUME_DATA implementation in its own function GetNfsVolumeData(), so remove it from NtfsUserFsRequest() - Add support for FSCTL_GET_NTFS_FILE_RECORD in NtfsUserFsRequest() - Implement GetNtfsFileRecord() which returns a file record. Not fully sure about its implementation, this is to be checked. This does not really improve the nfi situation in any kind yet... CORE-8725 svn path=/trunk/; revision=65145
This commit is contained in:
parent
6635caf5c4
commit
c9d1d86d84
|
@ -528,30 +528,21 @@ NtfsVerifyVolume(PDEVICE_OBJECT DeviceObject,
|
||||||
|
|
||||||
static
|
static
|
||||||
NTSTATUS
|
NTSTATUS
|
||||||
NtfsUserFsRequest(PDEVICE_OBJECT DeviceObject,
|
GetNfsVolumeData(PDEVICE_EXTENSION DeviceExt,
|
||||||
PIRP Irp)
|
PIRP Irp)
|
||||||
{
|
{
|
||||||
NTSTATUS Status;
|
|
||||||
PIO_STACK_LOCATION Stack;
|
PIO_STACK_LOCATION Stack;
|
||||||
PDEVICE_EXTENSION DeviceExt;
|
|
||||||
PNTFS_VOLUME_DATA_BUFFER DataBuffer;
|
PNTFS_VOLUME_DATA_BUFFER DataBuffer;
|
||||||
PNTFS_ATTR_RECORD Attribute;
|
PNTFS_ATTR_RECORD Attribute;
|
||||||
|
|
||||||
DPRINT1("NtfsUserFsRequest(%p, %p)\n", DeviceObject, Irp);
|
|
||||||
|
|
||||||
Stack = IoGetCurrentIrpStackLocation(Irp);
|
|
||||||
switch (Stack->Parameters.FileSystemControl.FsControlCode)
|
|
||||||
{
|
|
||||||
case FSCTL_GET_NTFS_VOLUME_DATA:
|
|
||||||
DeviceExt = DeviceObject->DeviceExtension;
|
|
||||||
DataBuffer = (PNTFS_VOLUME_DATA_BUFFER)Irp->UserBuffer;
|
DataBuffer = (PNTFS_VOLUME_DATA_BUFFER)Irp->UserBuffer;
|
||||||
|
Stack = IoGetCurrentIrpStackLocation(Irp);
|
||||||
|
|
||||||
if (Stack->Parameters.FileSystemControl.OutputBufferLength < sizeof(NTFS_VOLUME_DATA_BUFFER) ||
|
if (Stack->Parameters.FileSystemControl.OutputBufferLength < sizeof(NTFS_VOLUME_DATA_BUFFER) ||
|
||||||
Irp->UserBuffer == NULL)
|
Irp->UserBuffer == NULL)
|
||||||
{
|
{
|
||||||
DPRINT1("Invalid output! %d %p\n", Stack->Parameters.FileSystemControl.OutputBufferLength, Irp->UserBuffer);
|
DPRINT1("Invalid output! %d %p\n", Stack->Parameters.FileSystemControl.OutputBufferLength, Irp->UserBuffer);
|
||||||
Status = STATUS_INVALID_PARAMETER;
|
return STATUS_INVALID_PARAMETER;
|
||||||
break;
|
|
||||||
}
|
}
|
||||||
|
|
||||||
DataBuffer->VolumeSerialNumber.QuadPart = DeviceExt->NtfsInfo.SerialNumber;
|
DataBuffer->VolumeSerialNumber.QuadPart = DeviceExt->NtfsInfo.SerialNumber;
|
||||||
|
@ -592,7 +583,96 @@ NtfsUserFsRequest(PDEVICE_OBJECT DeviceObject,
|
||||||
ExtendedData->MinorVersion = DeviceExt->NtfsInfo.MinorVersion;
|
ExtendedData->MinorVersion = DeviceExt->NtfsInfo.MinorVersion;
|
||||||
}
|
}
|
||||||
|
|
||||||
Status = STATUS_SUCCESS;
|
return STATUS_SUCCESS;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
static
|
||||||
|
NTSTATUS
|
||||||
|
GetNtfsFileRecord(PDEVICE_EXTENSION DeviceExt,
|
||||||
|
PIRP Irp)
|
||||||
|
{
|
||||||
|
NTSTATUS Status;
|
||||||
|
PIO_STACK_LOCATION Stack;
|
||||||
|
PNTFS_FILE_RECORD_INPUT_BUFFER InputBuffer;
|
||||||
|
PFILE_RECORD_HEADER FileRecord;
|
||||||
|
PNTFS_FILE_RECORD_OUTPUT_BUFFER OutputBuffer;
|
||||||
|
ULONGLONG MFTRecord;
|
||||||
|
|
||||||
|
Stack = IoGetCurrentIrpStackLocation(Irp);
|
||||||
|
|
||||||
|
if (Stack->Parameters.FileSystemControl.InputBufferLength < sizeof(NTFS_FILE_RECORD_INPUT_BUFFER) ||
|
||||||
|
Irp->AssociatedIrp.SystemBuffer == NULL)
|
||||||
|
{
|
||||||
|
DPRINT1("Invalid input! %d %p\n", Stack->Parameters.FileSystemControl.InputBufferLength, Irp->AssociatedIrp.SystemBuffer);
|
||||||
|
return STATUS_INVALID_PARAMETER;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (Stack->Parameters.FileSystemControl.OutputBufferLength < sizeof(NTFS_FILE_RECORD_OUTPUT_BUFFER) ||
|
||||||
|
Irp->AssociatedIrp.SystemBuffer == NULL)
|
||||||
|
{
|
||||||
|
DPRINT1("Invalid output! %d %p\n", Stack->Parameters.FileSystemControl.OutputBufferLength, Irp->AssociatedIrp.SystemBuffer);
|
||||||
|
return STATUS_BUFFER_TOO_SMALL;
|
||||||
|
}
|
||||||
|
|
||||||
|
FileRecord = ExAllocatePoolWithTag(NonPagedPool,
|
||||||
|
DeviceExt->NtfsInfo.BytesPerFileRecord,
|
||||||
|
TAG_NTFS);
|
||||||
|
if (FileRecord == NULL)
|
||||||
|
{
|
||||||
|
return STATUS_INSUFFICIENT_RESOURCES;
|
||||||
|
}
|
||||||
|
|
||||||
|
InputBuffer = (PNTFS_FILE_RECORD_INPUT_BUFFER)Irp->AssociatedIrp.SystemBuffer;
|
||||||
|
|
||||||
|
MFTRecord = InputBuffer->FileReferenceNumber.QuadPart;
|
||||||
|
Status = ReadFileRecord(DeviceExt, MFTRecord, FileRecord);
|
||||||
|
if (!NT_SUCCESS(Status))
|
||||||
|
{
|
||||||
|
DPRINT1("Failed reading record: %I64x\n", MFTRecord);
|
||||||
|
ExFreePoolWithTag(FileRecord, TAG_NTFS);
|
||||||
|
return Status;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (Stack->Parameters.FileSystemControl.OutputBufferLength < (FIELD_OFFSET(NTFS_FILE_RECORD_OUTPUT_BUFFER, FileRecordBuffer) + FileRecord->BytesInUse))
|
||||||
|
{
|
||||||
|
DPRINT1("Buffer too small: %lu vs %lu\n", Stack->Parameters.FileSystemControl.OutputBufferLength, FileRecord->BytesInUse);
|
||||||
|
ExFreePoolWithTag(FileRecord, TAG_NTFS);
|
||||||
|
return STATUS_BUFFER_TOO_SMALL;
|
||||||
|
}
|
||||||
|
|
||||||
|
OutputBuffer = (PNTFS_FILE_RECORD_OUTPUT_BUFFER)Irp->AssociatedIrp.SystemBuffer;
|
||||||
|
OutputBuffer->FileReferenceNumber.QuadPart = MFTRecord;
|
||||||
|
OutputBuffer->FileRecordLength = FileRecord->BytesInUse;
|
||||||
|
RtlCopyMemory(OutputBuffer->FileRecordBuffer, FileRecord, FileRecord->BytesInUse);
|
||||||
|
|
||||||
|
ExFreePoolWithTag(FileRecord, TAG_NTFS);
|
||||||
|
|
||||||
|
return STATUS_SUCCESS;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
static
|
||||||
|
NTSTATUS
|
||||||
|
NtfsUserFsRequest(PDEVICE_OBJECT DeviceObject,
|
||||||
|
PIRP Irp)
|
||||||
|
{
|
||||||
|
NTSTATUS Status;
|
||||||
|
PIO_STACK_LOCATION Stack;
|
||||||
|
PDEVICE_EXTENSION DeviceExt;
|
||||||
|
|
||||||
|
DPRINT1("NtfsUserFsRequest(%p, %p)\n", DeviceObject, Irp);
|
||||||
|
|
||||||
|
Stack = IoGetCurrentIrpStackLocation(Irp);
|
||||||
|
DeviceExt = DeviceObject->DeviceExtension;
|
||||||
|
switch (Stack->Parameters.FileSystemControl.FsControlCode)
|
||||||
|
{
|
||||||
|
case FSCTL_GET_NTFS_VOLUME_DATA:
|
||||||
|
Status = GetNfsVolumeData(DeviceExt, Irp);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case FSCTL_GET_NTFS_FILE_RECORD:
|
||||||
|
Status = GetNtfsFileRecord(DeviceExt, Irp);
|
||||||
break;
|
break;
|
||||||
|
|
||||||
default:
|
default:
|
||||||
|
|
Loading…
Reference in a new issue