Şuanki Dizin: /lib64/python3.9/site-packages/setools/diff/ |
Şuanki Dosya : //lib64/python3.9/site-packages/setools/diff/initsid.py |
# Copyright 2016, Tresys Technology, LLC # # SPDX-License-Identifier: LGPL-2.1-only # from typing import NamedTuple from ..policyrep import Context from .context import ContextWrapper from .descriptors import DiffResultDescriptor from .difference import Difference, SymbolWrapper class ModifiedInitialSID(NamedTuple): """Difference details for a modified initial SID.""" added_context: Context removed_context: Context class InitialSIDsDifference(Difference): """Determine the difference in initsids between two policies.""" added_initialsids = DiffResultDescriptor("diff_initialsids") removed_initialsids = DiffResultDescriptor("diff_initialsids") modified_initialsids = DiffResultDescriptor("diff_initialsids") def diff_initialsids(self) -> None: """Generate the difference in initial SIDs between the policies.""" self.log.info("Generating initial SID differences from {0.left_policy} to {0.right_policy}". format(self)) self.added_initialsids, self.removed_initialsids, matched_initialsids = self._set_diff( (SymbolWrapper(i) for i in self.left_policy.initialsids()), (SymbolWrapper(i) for i in self.right_policy.initialsids())) self.modified_initialsids = dict() for left_initialsid, right_initialsid in matched_initialsids: # Criteria for modified initialsids # 1. change to context if ContextWrapper(left_initialsid.context) != ContextWrapper(right_initialsid.context): self.modified_initialsids[left_initialsid] = ModifiedInitialSID( right_initialsid.context, left_initialsid.context) # # Internal functions # def _reset_diff(self) -> None: """Reset diff results on policy changes.""" self.log.debug("Resetting initialsid differences") self.added_initialsids = None self.removed_initialsids = None self.modified_initialsids = None
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