mirror of
https://github.com/SELinuxProject/setools
synced 2025-03-23 11:36:30 +00:00
80 lines
2.4 KiB
Python
80 lines
2.4 KiB
Python
# Copyright 2014, 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 re
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import compquery
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class BoolQuery(compquery.ComponentQuery):
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"""Query SELinux policy Booleans."""
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def __init__(self, policy,
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name="", name_regex=False,
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default=False, match_default=False):
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"""
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Parameter:
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policy The policy to query.
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name The Boolean name to match.
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name_regex If true, regular expression matching
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will be used on the Boolean name.
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default The default state to match.
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match_default If true, the default state will be matched.
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"""
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self.policy = policy
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self.set_name(name, regex=name_regex)
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self.set_default(match_default, default=default)
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def results(self):
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"""Generator which yields all Booleans matching the criteria."""
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for b in self.policy.bools():
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if self.name and not self._match_regex(
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b,
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self.name,
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self.name_regex,
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self.name_cmp):
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continue
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if self.match_default and b.state() != self.default:
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continue
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yield b
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def set_default(self, match, **opts):
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"""
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Set if the default Boolean state should be matched.
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Parameter:
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match If true, the default state will be matched.
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default The default state to match.
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Exceptions:
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NameError Invalid keyword option.
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"""
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self.match_default = bool(match)
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for k in opts.keys():
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if k == "default":
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self.default = bool(opts[k])
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else:
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raise NameError("Invalid default option: {0}".format(k))
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