# Copyright 2016, Tresys Technology, LLC # # SPDX-License-Identifier: LGPL-2.1-only # from typing import NamedTuple, Union from ..policyrep import PolicyEnum from .descriptors import DiffResultDescriptor from .difference import Difference class ModifiedProperty(NamedTuple): """Difference details for a modified policy property.""" property: str added: Union[PolicyEnum, bool, int] removed: Union[PolicyEnum, bool, int] class PropertiesDifference(Difference): """ Determine the difference in policy properties (unknown permissions, MLS, etc.) between two policies. """ modified_properties = DiffResultDescriptor("diff_properties") def diff_properties(self) -> None: self.modified_properties = [] if self.left_policy.handle_unknown != self.right_policy.handle_unknown: self.modified_properties.append( ModifiedProperty("handle_unknown", self.right_policy.handle_unknown, self.left_policy.handle_unknown)) if self.left_policy.mls != self.right_policy.mls: self.modified_properties.append( ModifiedProperty("MLS", self.right_policy.mls, self.left_policy.mls)) if self.left_policy.version != self.right_policy.version: self.modified_properties.append( ModifiedProperty("version", self.right_policy.version, self.left_policy.version)) # # Internal functions # def _reset_diff(self) -> None: """Reset diff results on policy changes.""" self.log.debug("Resetting property differences") self.modified_properties = None