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bb5cffd44e
setools/tests/mlsrulequery.py
Chris PeBenito bb5cffd44e Extend indirect handling for rule queries. 
Range_transitions are expanded in the qpol representation, but attributes
can still be used as criteria.

Hard code default role to indirect to handle role attributes in the
criteria.  Role attributes don't survive in the qpol
representation yet, so this is a forward-looking change.

Similarly hard code the default type matching to indirect so attributes can
be used for default type criteria in type_* rules.  Adjust default criteria
lookup function accordingly.

Related to #111
2016-03-16 14:06:49 -04:00

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# Copyright 2014, 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 General Public License as published by
# the Free Software Foundation, either version 2 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with SETools. If not, see <http://www.gnu.org/licenses/>.
#
import unittest
from setools import SELinuxPolicy, MLSRuleQuery
from setools.policyrep.exception import InvalidMLSRuleType
from . import mixins
# Note: the test policy has been written assuming range_transition
# statements could have attributes. However, range_transition
# statements are always expanded, so the below unit tests
# have been adjusted to this fact (hence a "FAIL" in one of the
# expected type names)
class MLSRuleQueryTest(mixins.ValidateRule, unittest.TestCase):
@classmethod
def setUpClass(cls):
cls.p = SELinuxPolicy("tests/mlsrulequery.conf")
def test_000_unset(self):
"""MLS rule query with no criteria."""
# query with no parameters gets all MLS rules.
rules = sorted(self.p.mlsrules())
q = MLSRuleQuery(self.p)
q_rules = sorted(q.results())
self.assertListEqual(rules, q_rules)
def test_001_source_direct(self):
"""MLS rule query with exact, direct, source match."""
q = MLSRuleQuery(
self.p, source="test1s", source_regex=False)
r = sorted(q.results())
self.assertEqual(len(r), 1)
self.validate_rule(r[0], "range_transition", "test1s", "test1t", "infoflow", "s0")
def test_003_source_direct_regex(self):
"""MLS rule query with regex, direct, source match."""
q = MLSRuleQuery(
self.p, source="test3(s|aS)", source_regex=True)
r = sorted(q.results())
self.assertEqual(len(r), 2)
self.validate_rule(r[0], "range_transition", "test3s", "test3t", "infoflow", "s1")
self.validate_rule(r[1], "range_transition", "test3s", "test3t", "infoflow2", "s2")
def test_005_issue111(self):
"""MLS rule query with attribute source criteria, indirect match."""
# https://github.com/TresysTechnology/setools/issues/111
q = MLSRuleQuery(self.p, source="test5b", source_indirect=True)
r = sorted(q.results())
self.assertEqual(len(r), 2)
self.validate_rule(r[0], "range_transition", "test5t1", "test5target", "infoflow", "s1")
self.validate_rule(r[1], "range_transition", "test5t2", "test5target", "infoflow7", "s2")
def test_010_target_direct(self):
"""MLS rule query with exact, direct, target match."""
q = MLSRuleQuery(
self.p, target="test10t", target_regex=False)
r = sorted(q.results())
self.assertEqual(len(r), 2)
self.validate_rule(r[0], "range_transition", "test10s", "test10t", "infoflow", "s0")
self.validate_rule(r[1], "range_transition", "test10s", "test10t", "infoflow2", "s1")
def test_012_target_direct_regex(self):
"""MLS rule query with regex, direct, target match."""
q = MLSRuleQuery(
self.p, target="test12a.*", target_regex=True)
r = sorted(q.results())
self.assertEqual(len(r), 1)
self.validate_rule(r[0], "range_transition", "test12s", "test12aFAIL", "infoflow", "s2")
def test_014_issue111(self):
"""MLS rule query with attribute target criteria, indirect match."""
# https://github.com/TresysTechnology/setools/issues/111
q = MLSRuleQuery(self.p, target="test14b", target_indirect=True)
r = sorted(q.results())
self.assertEqual(len(r), 2)
self.validate_rule(r[0], "range_transition", "test14source", "test14t1", "infoflow", "s1")
self.validate_rule(r[1], "range_transition", "test14source", "test14t2", "infoflow7", "s2")
@unittest.skip("Setting tclass to a string is no longer supported.")
def test_020_class(self):
"""MLS rule query with exact object class match."""
q = MLSRuleQuery(self.p, tclass="infoflow7", tclass_regex=False)
r = sorted(q.results())
self.assertEqual(len(r), 1)
self.validate_rule(r[0], "range_transition", "test20", "test20", "infoflow7", "s1")
def test_021_class_list(self):
"""MLS rule query with object class list match."""
q = MLSRuleQuery(
self.p, tclass=["infoflow3", "infoflow4"], tclass_regex=False)
r = sorted(q.results())
self.assertEqual(len(r), 2)
self.validate_rule(r[0], "range_transition", "test21", "test21", "infoflow3", "s2")
self.validate_rule(r[1], "range_transition", "test21", "test21", "infoflow4", "s1")
def test_022_class_regex(self):
"""MLS rule query with object class regex match."""
q = MLSRuleQuery(self.p, tclass="infoflow(5|6)", tclass_regex=True)
r = sorted(q.results())
self.assertEqual(len(r), 2)
self.validate_rule(r[0], "range_transition", "test22", "test22", "infoflow5", "s1")
self.validate_rule(r[1], "range_transition", "test22", "test22", "infoflow6", "s2")
def test_040_range_exact(self):
"""MLS rule query with context range exact match"""
q = MLSRuleQuery(self.p, default="s40:c1 - s40:c0.c4")
r = sorted(q.results())
self.assertEqual(len(r), 1)
self.validate_rule(r[0], "range_transition", "test40", "test40", "infoflow",
"s40:c1 - s40:c0.c4")
def test_041_range_overlap1(self):
"""MLS rule query with context range overlap match (equal)"""
q = MLSRuleQuery(self.p, default="s41:c1 - s41:c0.c4", default_overlap=True)
r = sorted(q.results())
self.assertEqual(len(r), 1)
self.validate_rule(r[0], "range_transition", "test41", "test41", "infoflow",
"s41:c1 - s41:c1.c3")
def test_041_range_overlap2(self):
"""MLS rule query with context range overlap match (subset)"""
q = MLSRuleQuery(self.p, default="s41:c1,c2 - s41:c0.c3", default_overlap=True)
r = sorted(q.results())
self.assertEqual(len(r), 1)
self.validate_rule(r[0], "range_transition", "test41", "test41", "infoflow",
"s41:c1 - s41:c1.c3")
def test_041_range_overlap3(self):
"""MLS rule query with context range overlap match (superset)"""
q = MLSRuleQuery(self.p, default="s41 - s41:c0.c4", default_overlap=True)
r = sorted(q.results())
self.assertEqual(len(r), 1)
self.validate_rule(r[0], "range_transition", "test41", "test41", "infoflow",
"s41:c1 - s41:c1.c3")
def test_041_range_overlap4(self):
"""MLS rule query with context range overlap match (overlap low level)"""
q = MLSRuleQuery(self.p, default="s41 - s41:c1,c2", default_overlap=True)
r = sorted(q.results())
self.assertEqual(len(r), 1)
self.validate_rule(r[0], "range_transition", "test41", "test41", "infoflow",
"s41:c1 - s41:c1.c3")
def test_041_range_overlap5(self):
"""MLS rule query with context range overlap match (overlap high level)"""
q = MLSRuleQuery(self.p, default="s41:c1,c2 - s41:c0.c4", default_overlap=True)
r = sorted(q.results())
self.assertEqual(len(r), 1)
self.validate_rule(r[0], "range_transition", "test41", "test41", "infoflow",
"s41:c1 - s41:c1.c3")
def test_042_range_subset1(self):
"""MLS rule query with context range subset match"""
q = MLSRuleQuery(self.p, default="s42:c1,c2 - s42:c0.c3", default_overlap=True)
r = sorted(q.results())
self.assertEqual(len(r), 1)
self.validate_rule(r[0], "range_transition", "test42", "test42", "infoflow",
"s42:c1 - s42:c1.c3")
def test_042_range_subset2(self):
"""MLS rule query with context range subset match (equal)"""
q = MLSRuleQuery(self.p, default="s42:c1 - s42:c1.c3", default_overlap=True)
r = sorted(q.results())
self.assertEqual(len(r), 1)
self.validate_rule(r[0], "range_transition", "test42", "test42", "infoflow",
"s42:c1 - s42:c1.c3")
def test_043_range_superset1(self):
"""MLS rule query with context range superset match"""
q = MLSRuleQuery(self.p, default="s43 - s43:c0.c4", default_superset=True)
r = sorted(q.results())
self.assertEqual(len(r), 1)
self.validate_rule(r[0], "range_transition", "test43", "test43", "infoflow",
"s43:c1 - s43:c1.c3")
def test_043_range_superset2(self):
"""MLS rule query with context range superset match (equal)"""
q = MLSRuleQuery(self.p, default="s43:c1 - s43:c1.c3", default_superset=True)
r = sorted(q.results())
self.assertEqual(len(r), 1)
self.validate_rule(r[0], "range_transition", "test43", "test43", "infoflow",
"s43:c1 - s43:c1.c3")
def test_044_range_proper_subset1(self):
"""MLS rule query with context range proper subset match"""
q = MLSRuleQuery(self.p, default="s44:c1,c2", default_subset=True, default_proper=True)
r = sorted(q.results())
self.assertEqual(len(r), 1)
self.validate_rule(r[0], "range_transition", "test44", "test44", "infoflow",
"s44:c1 - s44:c1.c3")
def test_044_range_proper_subset2(self):
"""MLS rule query with context range proper subset match (equal)"""
q = MLSRuleQuery(self.p,
default="s44:c1 - s44:c1.c3", default_subset=True, default_proper=True)
r = sorted(q.results())
self.assertEqual(len(r), 0)
def test_044_range_proper_subset3(self):
"""MLS rule query with context range proper subset match (equal low only)"""
q = MLSRuleQuery(self.p,
default="s44:c1 - s44:c1.c2", default_subset=True, default_proper=True)
r = sorted(q.results())
self.assertEqual(len(r), 1)
self.validate_rule(r[0], "range_transition", "test44", "test44", "infoflow",
"s44:c1 - s44:c1.c3")
def test_044_range_proper_subset4(self):
"""MLS rule query with context range proper subset match (equal high only)"""
q = MLSRuleQuery(self.p,
default="s44:c1,c2 - s44:c1.c3", default_subset=True, default_proper=True)
r = sorted(q.results())
self.assertEqual(len(r), 1)
self.validate_rule(r[0], "range_transition", "test44", "test44", "infoflow",
"s44:c1 - s44:c1.c3")
def test_045_range_proper_superset1(self):
"""MLS rule query with context range proper superset match"""
q = MLSRuleQuery(self.p,
default="s45 - s45:c0.c4", default_superset=True, default_proper=True)
r = sorted(q.results())
self.assertEqual(len(r), 1)
self.validate_rule(r[0], "range_transition", "test45", "test45", "infoflow",
"s45:c1 - s45:c1.c3")
def test_045_range_proper_superset2(self):
"""MLS rule query with context range proper superset match (equal)"""
q = MLSRuleQuery(self.p,
default="s45:c1 - s45:c1.c3", default_superset=True, default_proper=True)
r = sorted(q.results())
self.assertEqual(len(r), 0)
def test_045_range_proper_superset3(self):
"""MLS rule query with context range proper superset match (equal low)"""
q = MLSRuleQuery(self.p,
default="s45:c1 - s45:c1.c4", default_superset=True, default_proper=True)
r = sorted(q.results())
self.assertEqual(len(r), 1)
self.validate_rule(r[0], "range_transition", "test45", "test45", "infoflow",
"s45:c1 - s45:c1.c3")
def test_045_range_proper_superset4(self):
"""MLS rule query with context range proper superset match (equal high)"""
q = MLSRuleQuery(self.p,
default="s45 - s45:c1.c3", default_superset=True, default_proper=True)
r = sorted(q.results())
self.assertEqual(len(r), 1)
self.validate_rule(r[0], "range_transition", "test45", "test45", "infoflow",
"s45:c1 - s45:c1.c3")
def test_900_invalid_ruletype(self):
"""MLS rule query with invalid rule type."""
with self.assertRaises(InvalidMLSRuleType):
q = MLSRuleQuery(self.p, ruletype="type_transition")
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