mirror of
https://github.com/SELinuxProject/setools
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53 lines
1.6 KiB
Python
53 lines
1.6 KiB
Python
# Copyright 2014-2015, Tresys Technology, LLC
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#
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# SPDX-License-Identifier: LGPL-2.1-only
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#
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import logging
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import re
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from typing import Iterable
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from .mixins import MatchName, MatchPermission
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from .policyrep import Common
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from .query import PolicyQuery
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class CommonQuery(MatchPermission, MatchName, PolicyQuery):
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"""
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Query common permission sets.
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Parameter:
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policy The policy to query.
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Keyword Parameters/Class attributes:
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name The name of the common to match.
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name_regex If true, regular expression matching will
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be used for matching the name.
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perms The permissions to match.
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perms_equal If true, only commons with permission sets
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that are equal to the criteria will
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match. Otherwise, any intersection
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will match.
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perms_regex If true, regular expression matching will be used
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on the permission names instead of set logic.
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"""
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def __init__(self, policy, **kwargs) -> None:
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super(CommonQuery, self).__init__(policy, **kwargs)
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self.log = logging.getLogger(__name__)
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def results(self) -> Iterable[Common]:
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"""Generator which yields all matching commons."""
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self.log.info("Generating common results from {0.policy}".format(self))
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self._match_name_debug(self.log)
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self._match_perms_debug(self.log)
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for com in self.policy.commons():
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if not self._match_name(com):
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continue
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if not self._match_perms(com):
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continue
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yield com
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