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File name : boolquery.py

Content :# Copyright 2014-2015, Tresys Technology, LLC # # This file is part of SETools. # # SETools is free software: you can redistribute it and/or modify # it under the terms of the GNU Lesser General Public License as # published by the Free Software Foundation, either version 2.1 of # the License, or (at your option) any later version. # # SETools is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with SETools. If not, see # <http://www.gnu.org/licenses/>. # import logging from .descriptors import CriteriaDescriptor from .mixins import MatchName from .query import PolicyQuery class BoolQuery(MatchName, PolicyQuery): """Query SELinux policy Booleans. Parameter: policy The policy to query. Keyword Parameters/Class attributes: name The Boolean name to match. name_regex If true, regular expression matching will be used on the Boolean name. default The default state to match. If this is None, the default state not be matched. """ _default = None @property def default(self): return self._default @default.setter def default(self, value): if value is None: self._default = None else: self._default = bool(value) def __init__(self, policy, **kwargs): super(BoolQuery, self).__init__(policy, **kwargs) self.log = logging.getLogger(__name__) def results(self): """Generator which yields all Booleans matching the criteria.""" self.log.info("Generating Boolean results from {0.policy}".format(self)) self._match_name_debug(self.log) self.log.debug("Default: {0.default}".format(self)) for boolean in self.policy.bools(): if not self._match_name(boolean): continue if self.default is not None and boolean.state != self.default: continue yield boolean

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