NTSTATUS FspFsvolSetVolumeInformationComplete(
PIRP Irp, const FSP_FSCTL_TRANSACT_RSP *Response)
{
FSP_ENTER_IOC(PAGED_CODE());
if (!NT_SUCCESS(Response->IoStatus.Status))
{
Irp->IoStatus.Information = 0;
Result = Response->IoStatus.Status;
FSP_RETURN();
}
FS_INFORMATION_CLASS FsInformationClass = IrpSp->Parameters.SetVolume.FsInformationClass;
PDEVICE_OBJECT FsvolDeviceObject = IrpSp->DeviceObject;
PVOID Buffer = Irp->AssociatedIrp.SystemBuffer;
ULONG Length = IrpSp->Parameters.SetFile.Length;
FSP_FSCTL_TRANSACT_REQ *Request = FspIrpRequest(Irp);
switch (FsInformationClass)
{
case FileFsLabelInformation:
Result = FspFsvolSetFsLabelInformation(FsvolDeviceObject, Buffer, Length, 0, Request, Response);
break;
default:
ASSERT(0);
Result = STATUS_INVALID_PARAMETER;
break;
}
Irp->IoStatus.Information = 0;
FSP_LEAVE_IOC("%s",
FsInformationClassSym(IrpSp->Parameters.SetVolume.FsInformationClass));
}
NTSTATUS FspFsvolLockControlComplete(
PIRP Irp, const FSP_FSCTL_TRANSACT_RSP *Response)
{
FSP_ENTER_IOC(PAGED_CODE());
FSP_LEAVE_IOC("FileObject=%p, "
"Key=%#lx, ByteOffset=%#lx:%#lx, Length=%lld",
IrpSp->FileObject,
IrpSp->Parameters.LockControl.Key,
IrpSp->Parameters.LockControl.ByteOffset.HighPart,
IrpSp->Parameters.LockControl.ByteOffset.LowPart,
IrpSp->Parameters.LockControl.Length->QuadPart);
}
NTSTATUS FspFsvolQueryVolumeInformationComplete(
PIRP Irp, const FSP_FSCTL_TRANSACT_RSP *Response)
{
FSP_ENTER_IOC(PAGED_CODE());
if (!NT_SUCCESS(Response->IoStatus.Status))
{
Irp->IoStatus.Information = Response->IoStatus.Information;
Result = Response->IoStatus.Status;
FSP_RETURN();
}
PDEVICE_OBJECT FsvolDeviceObject = IrpSp->DeviceObject;
PUINT8 Buffer = Irp->AssociatedIrp.SystemBuffer;
PUINT8 BufferEnd = Buffer + IrpSp->Parameters.QueryFile.Length;
FspFsvolDeviceSetVolumeInfo(FsvolDeviceObject, &Response->Rsp.QueryVolumeInformation.VolumeInfo);
switch (IrpSp->Parameters.QueryVolume.FsInformationClass)
{
case FileFsFullSizeInformation:
Result = FspFsvolQueryFsFullSizeInformation(FsvolDeviceObject, &Buffer, BufferEnd,
&Response->Rsp.QueryVolumeInformation.VolumeInfo);
break;
case FileFsSizeInformation:
Result = FspFsvolQueryFsSizeInformation(FsvolDeviceObject, &Buffer, BufferEnd,
&Response->Rsp.QueryVolumeInformation.VolumeInfo);
break;
case FileFsVolumeInformation:
Result = FspFsvolQueryFsVolumeInformation(FsvolDeviceObject, &Buffer, BufferEnd,
&Response->Rsp.QueryVolumeInformation.VolumeInfo);
break;
default:
ASSERT(0);
Result = STATUS_INVALID_PARAMETER;
break;
}
ASSERT(FSP_STATUS_IOQ_POST != Result);
Irp->IoStatus.Information = (UINT_PTR)(Buffer - (PUINT8)Irp->AssociatedIrp.SystemBuffer);
FSP_LEAVE_IOC("%s",
FsInformationClassSym(IrpSp->Parameters.QueryVolume.FsInformationClass));
}
NTSTATUS FspFsvolSetSecurityComplete(
PIRP Irp, const FSP_FSCTL_TRANSACT_RSP *Response)
{
FSP_ENTER_IOC(PAGED_CODE());
if (!NT_SUCCESS(Response->IoStatus.Status))
{
Irp->IoStatus.Information = 0;
Result = Response->IoStatus.Status;
FSP_RETURN();
}
PFILE_OBJECT FileObject = IrpSp->FileObject;
FSP_FILE_NODE *FileNode = FileObject->FsContext;
FSP_FSCTL_TRANSACT_REQ *Request = FspIrpRequest(Irp);
/* if the security descriptor that we got back is valid */
if (0 < Response->Rsp.SetSecurity.SecurityDescriptor.Size &&
Response->Buffer + Response->Rsp.SetSecurity.SecurityDescriptor.Size <=
(PUINT8)Response + Response->Size &&
RtlValidRelativeSecurityDescriptor((PVOID)Response->Buffer,
Response->Rsp.SetSecurity.SecurityDescriptor.Size, 0))
{
/* update the cached security */
FspFileNodeSetSecurity(FileNode,
Response->Buffer, Response->Rsp.SetSecurity.SecurityDescriptor.Size);
}
else
{
/* invalidate the cached security */
FspFileNodeSetSecurity(FileNode, 0, 0);
}
FspIopRequestContext(Request, RequestFileNode) = 0;
FspFileNodeReleaseOwner(FileNode, Full, Request);
Irp->IoStatus.Information = 0;
Result = STATUS_SUCCESS;
FSP_LEAVE_IOC("FileObject=%p, SecurityInformation=%x",
IrpSp->FileObject, IrpSp->Parameters.SetSecurity.SecurityInformation);
}
NTSTATUS FspFsvolQuerySecurityComplete(
PIRP Irp, const FSP_FSCTL_TRANSACT_RSP *Response)
{
FSP_ENTER_IOC(PAGED_CODE());
if (!NT_SUCCESS(Response->IoStatus.Status))
{
Irp->IoStatus.Information = 0;
Result = Response->IoStatus.Status;
FSP_RETURN();
}
PFILE_OBJECT FileObject = IrpSp->FileObject;
FSP_FILE_NODE *FileNode = FileObject->FsContext;
SECURITY_INFORMATION SecurityInformation = IrpSp->Parameters.QuerySecurity.SecurityInformation;
PVOID Buffer = Irp->AssociatedIrp.SystemBuffer;
ULONG Length = IrpSp->Parameters.QuerySecurity.Length;
PVOID SecurityBuffer = 0;
FSP_FSCTL_TRANSACT_REQ *Request = FspIrpRequest(Irp);
BOOLEAN Success;
if (0 != FspIopRequestContext(Request, RequestFileNode))
{
/* check that the security descriptor we got back is valid */
if (Response->Buffer + Response->Rsp.QuerySecurity.SecurityDescriptor.Size >
(PUINT8)Response + Response->Size ||
!RtlValidRelativeSecurityDescriptor((PVOID)Response->Buffer,
Response->Rsp.QuerySecurity.SecurityDescriptor.Size, 0))
{
Irp->IoStatus.Information = 0;
Result = STATUS_INVALID_SECURITY_DESCR;
FSP_RETURN();
}
FspIopRequestContext(Request, RequestSecurityChangeNumber) = (PVOID)FileNode->SecurityChangeNumber;
FspIopRequestContext(Request, RequestFileNode) = 0;
FspFileNodeReleaseOwner(FileNode, Full, Request);
}
Success = DEBUGTEST(90) && FspFileNodeTryAcquireExclusive(FileNode, Main);
if (!Success)
{
FspIopRetryCompleteIrp(Irp, Response, &Result);
FSP_RETURN();
}
Success = !FspFileNodeTrySetSecurity(FileNode,
Response->Buffer, Response->Rsp.QuerySecurity.SecurityDescriptor.Size,
(ULONG)(UINT_PTR)FspIopRequestContext(Request, RequestSecurityChangeNumber));
Success = Success && FspFileNodeReferenceSecurity(FileNode, &SecurityBuffer, 0);
FspFileNodeRelease(FileNode, Main);
if (Success)
{
Result = FspQuerySecurityDescriptorInfo(SecurityInformation, Buffer, &Length, SecurityBuffer);
FspFileNodeDereferenceSecurity(SecurityBuffer);
}
else
{
SecurityBuffer = (PVOID)Response->Buffer;
Result = FspQuerySecurityDescriptorInfo(SecurityInformation, Buffer, &Length, SecurityBuffer);
}
Irp->IoStatus.Information = Length;
FSP_LEAVE_IOC("FileObject=%p, SecurityInformation=%x",
IrpSp->FileObject, IrpSp->Parameters.QuerySecurity.SecurityInformation);
}
