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sys: FspVolumeTransactFsext:

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- only allow ControlCodes with 0xC00 bits set in Function
This commit is contained in:
Bill Zissimopoulos
2019-06-22 15:40:48 -07:00
parent f5fde4c0bb
commit 804bcc3354
2 changed files with 8 additions and 5 deletions
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11
src/sys/fsctl.c
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@ -94,12 +94,13 @@ static NTSTATUS FspFsctlFileSystemControl(
if (0 != IrpSp->FileObject->FsContext2)
Result = FspVolumeStop(FsctlDeviceObject, Irp, IrpSp);
break;
case 0:
/* ensure that 0 != IrpSp->Parameters.FileSystemControl.FsControlCode in default: case */
break;
default:
if (0 != IrpSp->FileObject->FsContext2)
Result = FspVolumeTransactFsext(FsctlDeviceObject, Irp, IrpSp);
if (CTL_CODE(0, 0xC00, 0, 0) ==
(IrpSp->Parameters.FileSystemControl.FsControlCode & CTL_CODE(0, 0xC00, 0, 0)))
{
if (0 != IrpSp->FileObject->FsContext2)
Result = FspVolumeTransactFsext(FsctlDeviceObject, Irp, IrpSp);
}
break;
}
break;