| # Copyright 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 . import mixins |
| from .descriptors import CriteriaDescriptor |
| |
| |
| class SensitivityQuery(mixins.MatchAlias, compquery.ComponentQuery): |
| |
| """ |
| Query MLS Sensitivities |
| |
| Parameter: |
| policy The policy to query. |
| |
| Keyword Parameters/Class attributes: |
| name The name of the category to match. |
| name_regex If true, regular expression matching will |
| be used for matching the name. |
| alias The alias name to match. |
| alias_regex If true, regular expression matching |
| will be used on the alias names. |
| sens The criteria to match the sensitivity by dominance. |
| sens_dom If true, the criteria will match if it dominates |
| the sensitivity. |
| sens_domby If true, the criteria will match if it is dominated |
| by the sensitivity. |
| """ |
| |
| sens = CriteriaDescriptor(lookup_function="lookup_sensitivity") |
| sens_dom = False |
| sens_domby = False |
| |
| def results(self): |
| """Generator which yields all matching sensitivities.""" |
| 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("Alias: {0.alias}, regex: {0.alias_regex}".format(self)) |
| self.log.debug("Sens: {0.sens!r}, dom: {0.sens_dom}, domby: {0.sens_domby}".format(self)) |
| |
| for s in self.policy.sensitivities(): |
| if not self._match_name(s): |
| continue |
| |
| if not self._match_alias(s): |
| continue |
| |
| if self.sens and not self._match_level( |
| s, |
| self.sens, |
| self.sens_dom, |
| self.sens_domby, |
| False): |
| continue |
| |
| yield s |