1 # Copyright 2014-2015, Tresys Technology, LLC 2 # 3 # This file is part of SETools. 4 # 5 # SETools is free software: you can redistribute it and/or modify 6 # it under the terms of the GNU Lesser General Public License as 7 # published by the Free Software Foundation, either version 2.1 of 8 # the License, or (at your option) any later version. 9 # 10 # SETools is distributed in the hope that it will be useful, 11 # but WITHOUT ANY WARRANTY; without even the implied warranty of 12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 # GNU Lesser General Public License for more details. 14 # 15 # You should have received a copy of the GNU Lesser General Public 16 # License along with SETools. If not, see 17 # <http://www.gnu.org/licenses/>. 18 # 19 from . import qpol 20 from . import symbol 21 22 23 def polcap_factory(policy, name): 24 """Factory function for creating policy capability objects.""" 25 26 if isinstance(name, PolicyCapability): 27 assert name.policy == policy 28 return name 29 elif isinstance(name, qpol.qpol_polcap_t): 30 return PolicyCapability(policy, name) 31 else: 32 raise TypeError("Policy capabilities cannot be looked up.") 33 34 35 class PolicyCapability(symbol.PolicySymbol): 36 37 """A policy capability.""" 38 39 def statement(self): 40 return "policycap {0};".format(self) 41
