73 lines
2.3 KiB
Python
Executable File
73 lines
2.3 KiB
Python
Executable File
# Copyright 2016, 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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import re
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from .descriptors import CriteriaDescriptor, CriteriaSetDescriptor
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from .query import PolicyQuery
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from .util import match_regex
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class BoundsQuery(PolicyQuery):
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"""
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Query *bounds statements.
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Parameter:
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policy The policy to query.
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Keyword Parameters/Class attributes:
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ruletype The rule type(s) to match.
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"""
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ruletype = CriteriaSetDescriptor(lookup_function="validate_bounds_ruletype")
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parent = CriteriaDescriptor("parent_regex")
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parent_regex = False
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child = CriteriaDescriptor("child_regex")
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child_regex = False
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def __init__(self, policy, **kwargs):
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super(BoundsQuery, self).__init__(policy, **kwargs)
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self.log = logging.getLogger(__name__)
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def results(self):
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"""Generator which yields all matching *bounds statements."""
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self.log.info("Generating bounds results from {0.policy}".format(self))
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self.log.debug("Ruletypes: {0.ruletype}".format(self))
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self.log.debug("Parent: {0.parent!r}, regex: {0.parent_regex}".format(self))
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self.log.debug("Child: {0.child!r}, regex: {0.child_regex}".format(self))
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for b in self.policy.bounds():
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if self.ruletype and b.ruletype not in self.ruletype:
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continue
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if self.parent and not match_regex(
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b.parent,
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self.parent,
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self.parent_regex):
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continue
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if self.child and not match_regex(
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b.child,
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self.child,
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self.child_regex):
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continue
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yield b
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