name : netifconquery.py # 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 .mixins import MatchContext, MatchName from .query import PolicyQuery from .util import match_regex class NetifconQuery(MatchContext, MatchName, PolicyQuery): """ Network interface context query. Parameter: policy The policy to query. Keyword Parameters/Class attributes: name The name of the network interface to match. name_regex If true, regular expression matching will be used for matching the name. user The criteria to match the context's user. user_regex If true, regular expression matching will be used on the user. role The criteria to match the context's role. role_regex If true, regular expression matching will be used on the role. type_ The criteria to match the context's type. type_regex If true, regular expression matching will be used on the type. range_ The criteria to match the context's range. range_subset If true, the criteria will match if it is a subset of the context's range. range_overlap If true, the criteria will match if it overlaps any of the context's range. range_superset If true, the criteria will match if it is a superset of the context's range. range_proper If true, use proper superset/subset operations. No effect if not using set operations. """ def __init__(self, policy, **kwargs): super(NetifconQuery, self).__init__(policy, **kwargs) self.log = logging.getLogger(__name__) def results(self): """Generator which yields all matching netifcons.""" self.log.info("Generating netifcon results from {0.policy}".format(self)) self._match_name_debug(self.log) self._match_context_debug(self.log) for netif in self.policy.netifcons(): if self.name and not match_regex( netif.netif, self.name, self.name_regex): continue if not self._match_context(netif.context): continue yield netif