| # 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 . import compquery |
| from .descriptors import CriteriaDescriptor |
| |
| |
| class BoolQuery(compquery.ComponentQuery): |
| |
| """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 results(self): |
| """Generator which yields all Booleans matching the criteria.""" |
| self.log.info("Generating results from {0.policy}".format(self)) |
| self.log.debug("Name: {0.name!r}, regex: {0.name_regex}".format(self)) |
| 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 |