47 lines
1.6 KiB
Python
Executable File
47 lines
1.6 KiB
Python
Executable File
# Copyright 2014-2015, Tresys Technology, LLC
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#
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# This file is part of SETools.
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#
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# SETools is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as
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# published by the Free Software Foundation, either version 2.1 of
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# the License, or (at your option) any later version.
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#
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# SETools is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with SETools. If not, see
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# <http://www.gnu.org/licenses/>.
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#
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import logging
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class PolicyQuery(object):
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"""Base class for SELinux policy queries."""
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def __init__(self, policy, **kwargs):
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self.policy = policy
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# keys are sorted in reverse order so regex settings
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# are set before the criteria, e.g. name_regex
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# is set before name. This ensures correct behavior
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# since the criteria descriptors are sensitve to
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# regex settings.
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for name in sorted(kwargs.keys(), reverse=True):
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attr = getattr(self, name, None) # None is not callable
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if callable(attr):
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raise ValueError("Keyword parameter {0} conflicts with a callable.".format(name))
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setattr(self, name, kwargs[name])
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def results(self):
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"""
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Generator which returns the matches for the query. This method
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should be overridden by subclasses.
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"""
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raise NotImplementedError
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