winfsp/src/sys/close.c
2015-12-20 11:20:22 -08:00

82 lines
2.1 KiB
C

/**
* @file sys/close.c
*
* @copyright 2015 Bill Zissimopoulos
*/
#include <sys/driver.h>
static NTSTATUS FspFsctlClose(
PDEVICE_OBJECT DeviceObject, PIRP Irp, PIO_STACK_LOCATION IrpSp);
static NTSTATUS FspFsvrtClose(
PDEVICE_OBJECT DeviceObject, PIRP Irp, PIO_STACK_LOCATION IrpSp);
static NTSTATUS FspFsvolClose(
PDEVICE_OBJECT DeviceObject, PIRP Irp, PIO_STACK_LOCATION IrpSp);
FSP_IOCMPL_DISPATCH FspFsvolCloseComplete;
FSP_DRIVER_DISPATCH FspClose;
#ifdef ALLOC_PRAGMA
#pragma alloc_text(PAGE, FspFsctlClose)
#pragma alloc_text(PAGE, FspFsvrtClose)
#pragma alloc_text(PAGE, FspFsvolClose)
#pragma alloc_text(PAGE, FspFsvolCloseComplete)
#pragma alloc_text(PAGE, FspClose)
#endif
static NTSTATUS FspFsctlClose(
PDEVICE_OBJECT DeviceObject, PIRP Irp, PIO_STACK_LOCATION IrpSp)
{
PAGED_CODE();
FspFree(IrpSp->FileObject->FsContext2);
IrpSp->FileObject->FsContext2 = 0;
Irp->IoStatus.Information = 0;
return STATUS_SUCCESS;
}
static NTSTATUS FspFsvrtClose(
PDEVICE_OBJECT DeviceObject, PIRP Irp, PIO_STACK_LOCATION IrpSp)
{
PAGED_CODE();
Irp->IoStatus.Information = 0;
return STATUS_SUCCESS;
}
static NTSTATUS FspFsvolClose(
PDEVICE_OBJECT DeviceObject, PIRP Irp, PIO_STACK_LOCATION IrpSp)
{
PAGED_CODE();
return STATUS_INVALID_DEVICE_REQUEST;
}
VOID FspFsvolCloseComplete(
PIRP Irp, const FSP_FSCTL_TRANSACT_RSP *Response)
{
FSP_ENTER_IOC(PAGED_CODE());
FSP_LEAVE_IOC("FileObject=%p", IrpSp->FileObject);
}
NTSTATUS FspClose(
PDEVICE_OBJECT DeviceObject, PIRP Irp)
{
FSP_ENTER_MJ(PAGED_CODE());
switch (FspDeviceExtension(DeviceObject)->Kind)
{
case FspFsvolDeviceExtensionKind:
FSP_RETURN(Result = FspFsvolClose(DeviceObject, Irp, IrpSp));
case FspFsvrtDeviceExtensionKind:
FSP_RETURN(Result = FspFsvrtClose(DeviceObject, Irp, IrpSp));
case FspFsctlDeviceExtensionKind:
FSP_RETURN(Result = FspFsctlClose(DeviceObject, Irp, IrpSp));
default:
FSP_RETURN(Result = STATUS_INVALID_DEVICE_REQUEST);
}
FSP_LEAVE_MJ("FileObject=%p", IrpSp->FileObject);
}