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sys,dll: only user mode sends MountManager IOCTL's

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(except for cleanup in FspMountdevFini)
This commit is contained in:
Bill Zissimopoulos
2019-09-08 17:45:00 -07:00
parent 1d15c9546b
commit 05b37c744b
3 changed files with 159 additions and 55 deletions
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39
src/sys/volume.c
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@ -578,14 +578,6 @@ NTSTATUS FspVolumeMakeMountdev(
ULONG InputBufferLength = IrpSp->Parameters.FileSystemControl.InputBufferLength;
ULONG OutputBufferLength = IrpSp->Parameters.FileSystemControl.OutputBufferLength;
BOOLEAN Persistent = 0 < InputBufferLength ? !!*(PBOOLEAN)Irp->AssociatedIrp.SystemBuffer : FALSE;
MOUNTMGR_QUERY_AUTO_MOUNT QueryAutoMount;
MOUNTMGR_SET_AUTO_MOUNT SetAutoMount;
union
{
MOUNTMGR_TARGET_NAME V;
UINT8 B[FIELD_OFFSET(MOUNTMGR_TARGET_NAME, DeviceName) + FSP_FSCTL_VOLUME_NAME_SIZEMAX];
} TargetName;
ULONG Length;
NTSTATUS Result;
if (0 == FsvrtDeviceObject)
@ -596,34 +588,11 @@ NTSTATUS FspVolumeMakeMountdev(
FspDeviceGlobalLock();
Result = FspMountdevMake(FsvrtDeviceObject, FsvolDeviceObject, Persistent);
if (NT_SUCCESS(Result))
{
Length = sizeof QueryAutoMount;
Result = FspSendMountmgrDeviceControlIrp(IOCTL_MOUNTMGR_QUERY_AUTO_MOUNT,
&QueryAutoMount, 0, &Length);
if (!NT_SUCCESS(Result))
goto exit;
SetAutoMount.NewState = 0;
Result = FspSendMountmgrDeviceControlIrp(IOCTL_MOUNTMGR_SET_AUTO_MOUNT,
&SetAutoMount, sizeof SetAutoMount, 0);
if (!NT_SUCCESS(Result))
goto exit;
TargetName.V.DeviceNameLength = FsvolDeviceExtension->VolumeName.Length;
RtlCopyMemory(TargetName.V.DeviceName,
FsvolDeviceExtension->VolumeName.Buffer, FsvolDeviceExtension->VolumeName.Length);
Result = FspSendMountmgrDeviceControlIrp(IOCTL_MOUNTMGR_VOLUME_ARRIVAL_NOTIFICATION,
&TargetName.V, FIELD_OFFSET(MOUNTMGR_TARGET_NAME, DeviceName) + TargetName.V.DeviceNameLength, 0);
SetAutoMount.NewState = QueryAutoMount.CurrentState;
FspSendMountmgrDeviceControlIrp(IOCTL_MOUNTMGR_SET_AUTO_MOUNT,
&SetAutoMount, sizeof SetAutoMount, 0);
}
else if (STATUS_TOO_LATE == Result)
Result = STATUS_SUCCESS;
if (!NT_SUCCESS(Result))
goto exit;
{
if (STATUS_TOO_LATE != Result)
goto exit;
}
RtlCopyMemory(Irp->AssociatedIrp.SystemBuffer,
&FspFsvrtDeviceExtension(FsvrtDeviceObject)->UniqueId, sizeof(GUID));