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# 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/>.
#
from . import qpol
from . import symbol
def polcap_factory(policy, name):
"""Factory function for creating policy capability objects."""
if isinstance(name, PolicyCapability):
assert name.policy == policy
return name
elif isinstance(name, qpol.qpol_polcap_t):
return PolicyCapability(policy, name)
else:
raise TypeError("Policy capabilities cannot be looked up.")
class PolicyCapability(symbol.PolicySymbol):
"""A policy capability."""
def statement(self):
return "policycap {0};".format(self)
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