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sys: WIP

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This commit is contained in:
Bill Zissimopoulos
2015-11-30 11:21:10 -08:00
parent f188bddb3b
commit 44654617e3
3 changed files with 22 additions and 45 deletions
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38
src/sys/fsctl.c
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@ -177,6 +177,8 @@ static NTSTATUS FspFsctlMountVolume(
ExAcquireResourceExclusiveLite(&FsctlDeviceExtension->Base.Resource, TRUE);
try
{
PDEVICE_OBJECT *DeviceObjects = 0;
ULONG DeviceObjectCount = 0;
PVPB Vpb = IrpSp->Parameters.MountVolume.Vpb;
PDEVICE_OBJECT FsvrtDeviceObject = Vpb->RealDevice;
PDEVICE_OBJECT FsvolDeviceObject;
@ -185,25 +187,27 @@ static NTSTATUS FspFsctlMountVolume(
FSP_FSVOL_DEVICE_EXTENSION *FsvolDeviceExtension;
/* check the passed in volume object; it must be one of our own and not marked Deleted */
Result = FspDeviceOwned(FsvrtDeviceObject);
Result = FspDeviceCopyList(&DeviceObjects, &DeviceObjectCount);
if (NT_SUCCESS(Result))
{
Result = STATUS_UNRECOGNIZED_VOLUME;
for (ULONG i = 0; DeviceObjectCount > i; i++)
if (DeviceObjects[i] == FsvrtDeviceObject)
{
if (FspDeviceRetain(FsvrtDeviceObject))
{
if (!FsvrtDeviceExtension->Deleted &&
FILE_DEVICE_VIRTUAL_DISK == FsvrtDeviceObject->DeviceType)
Result = STATUS_SUCCESS;
else
FspDeviceRelease(FsvrtDeviceObject);
}
break;
}
FspDeviceDeleteList(DeviceObjects, DeviceObjectCount);
}
if (!NT_SUCCESS(Result))
{
if (STATUS_NO_SUCH_DEVICE == Result)
Result = STATUS_UNRECOGNIZED_VOLUME;
goto exit;
}
if (!FspDeviceRetain(FsvrtDeviceObject))
{
Result = STATUS_UNRECOGNIZED_VOLUME;
goto exit;
}
if (FsvrtDeviceExtension->Deleted ||
FILE_DEVICE_VIRTUAL_DISK != FsvrtDeviceObject->DeviceType)
{
FspDeviceRelease(FsvrtDeviceObject);
Result = STATUS_UNRECOGNIZED_VOLUME;
goto exit;
}
/* create the file system device object */
Result = FspDeviceCreate(FspFsvolDeviceExtensionKind, 0,