setools/tests/checker/test_assertrbac.py
Chris PeBenito a75656b891 Rename unit test files for pytest detection.
Signed-off-by: Chris PeBenito <chpebeni@linux.microsoft.com>
2023-03-23 10:05:01 -04:00

251 lines
10 KiB
Python

# Copyright 2020, Microsoft Corporation
# Copyright 2020, Chris PeBenito <pebenito@ieee.org>
#
# 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/>.
#
import os
import unittest
from ..policyrep.util import compile_policy
from setools import RBACRuletype
from setools.checker.assertrbac import AssertRBAC
from setools.exception import InvalidCheckValue, InvalidCheckOption
class AssertRBACTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
cls.p = compile_policy("tests/checker/assertrbac.conf")
@classmethod
def tearDownClass(cls):
os.unlink(cls.p.path)
def test_unconfigured(self):
"""Test unconfigured."""
with self.assertRaises(InvalidCheckValue):
config = {}
check = AssertRBAC(self.p, "test_unconfigured", config)
def test_invalid_option(self):
"""Test invalid option"""
with self.assertRaises(InvalidCheckOption):
config = {"INVALID": "option"}
check = AssertRBAC(self.p, "test_invalid_option", config)
def test_source(self):
"""Test source setting."""
with self.subTest("Success"):
config = {"source": "src"}
check = AssertRBAC(self.p, "test_source", config)
expected = self.p.lookup_role("src")
self.assertEqual(expected, check.source)
with self.subTest("Failure"):
with self.assertRaises(InvalidCheckValue):
config = {"source": "FAIL"}
check = AssertRBAC(self.p, "test_source_fail", config)
def test_target(self):
"""Test target setting."""
with self.subTest("Success"):
config = {"target": "tgt"}
check = AssertRBAC(self.p, "test_target", config)
expected = self.p.lookup_role("tgt")
self.assertEqual(expected, check.target)
with self.subTest("Failure"):
with self.assertRaises(InvalidCheckValue):
config = {"target": "FAIL2"}
check = AssertRBAC(self.p, "test_target_fail", config)
def test_exempt_source(self):
"""Test exempt_source setting."""
with self.subTest("Success"):
config = {"source": "system",
"exempt_source": " exempt_src1 exempt_src2 "}
check = AssertRBAC(self.p, "test_exempt_source", config)
# exempt_src2 is an attr
expected = set((self.p.lookup_role("exempt_src1"),
self.p.lookup_role("exempt_src2")))
self.assertIsInstance(check.exempt_source, frozenset)
self.assertSetEqual(expected, check.exempt_source)
with self.subTest("Success, missing role ignored"):
"""Test exempt_source missing role is ignroed."""
config = {"source": "system",
"exempt_source": "FAIL exempt_src2"}
check = AssertRBAC(self.p, "test_source_missing_ignored", config)
# exempt_src2 is an attr
expected = set((self.p.lookup_role("exempt_src2"),))
self.assertIsInstance(check.exempt_source, frozenset)
self.assertSetEqual(expected, check.exempt_source)
def test_exempt_target(self):
"""Test exempt_target setting."""
with self.subTest("Success"):
config = {"target": "system",
"exempt_target": " exempt_tgt1 exempt_tgt2 "}
check = AssertRBAC(self.p, "test_exempt_target", config)
# exempt_tgt2 is an attr
expected = set((self.p.lookup_role("exempt_tgt1"),
self.p.lookup_role("exempt_tgt2")))
self.assertIsInstance(check.exempt_target, frozenset)
self.assertSetEqual(expected, check.exempt_target)
with self.subTest("Success, missing role ignored"):
config = {"target": "system",
"exempt_target": "FAIL exempt_tgt2"}
check = AssertRBAC(self.p, "test_target_missing_ignored", config)
# exempt_tgt2 is an attr
expected = set((self.p.lookup_role("exempt_tgt2"),))
self.assertIsInstance(check.exempt_target, frozenset)
self.assertSetEqual(expected, check.exempt_target)
def test_expect_source(self):
"""Test expect_source setting."""
with self.subTest("Success"):
config = {"target": "tgt",
"expect_source": " exempt_src1 exempt_src2 "}
check = AssertRBAC(self.p, "test_expect_source", config)
# exempt_src2 is an attr
expected = set((self.p.lookup_role("exempt_src1"),
self.p.lookup_role("exempt_src2")))
self.assertIsInstance(check.expect_source, frozenset)
self.assertSetEqual(expected, check.expect_source)
with self.subTest("Failure"):
with self.assertRaises(InvalidCheckValue):
config = {"target": "tgt",
"expect_source": " source1 INVALID "}
check = AssertRBAC(self.p, "test_expect_source_fail", config)
def test_expect_target(self):
"""Test expect_target setting."""
with self.subTest("Success"):
config = {"source": "src",
"expect_target": " exempt_tgt1 exempt_tgt2 "}
check = AssertRBAC(self.p, "test_expect_target", config)
# exempt_tgt2 is an attr
expected = set((self.p.lookup_role("exempt_tgt1"),
self.p.lookup_role("exempt_tgt2")))
self.assertIsInstance(check.expect_target, frozenset)
self.assertSetEqual(expected, check.expect_target)
with self.subTest("Failure"):
with self.assertRaises(InvalidCheckValue):
config = {"source": "src",
"expect_target": " target1 INVALID "}
check = AssertRBAC(self.p, "test_expect_target_fail", config)
def test_check_passes(self):
"""Test the check passes, no matches"""
config = {"source": "src",
"target": "tgt"}
check = AssertRBAC(self.p, "test_check_passes", config)
self.assertFalse(check.run())
def test_check_passes_exempt_source_role(self):
"""Test the check passes, exempt_source_role"""
config = {"target": "target1",
"exempt_source": "source1"}
check = AssertRBAC(self.p, "test_check_passes_exempt_source_role", config)
self.assertFalse(check.run())
def test_check_passes_exempt_target_role(self):
"""Test the check passes, exempt_target_role"""
config = {"target": "target2",
"exempt_source": "source2"}
check = AssertRBAC(self.p, "test_check_passes_exempt_target_role", config)
self.assertFalse(check.run())
def test_check_passes_expect_source(self):
"""Test the check passes, expect_source"""
config = {"target": "target3",
"expect_source": "source3a source3b"}
check = AssertRBAC(self.p, "test_check_passes_expect_source", config)
self.assertFalse(check.run())
def test_check_passes_expect_target(self):
"""Test the check passes, expect_target"""
config = {"source": "source4",
"expect_target": "target4a target4b"}
check = AssertRBAC(self.p, "test_check_passes_expect_target", config)
self.assertFalse(check.run())
def test_check_passes_expect_exempt_source(self):
""""Test the check passes with both expected and exempted sources."""
config = {"target": "target5",
"expect_source": "source5a",
"exempt_source": "source5b"}
check = AssertRBAC(self.p, "test_check_passes_expect_exempt_source", config)
self.assertFalse(check.run())
def test_check_passes_expect_exempt_target(self):
""""Test the check passes with both expected and exempted targets."""
config = {"source": "source6",
"expect_target": "target6a",
"exempt_target": "target6b"}
check = AssertRBAC(self.p, "test_check_passes_expect_exempt_target", config)
self.assertFalse(check.run())
def test_check_fails(self):
"""Test the check fails"""
with open("/dev/null", "w") as fd:
config = {"source": "source7",
"expect_target": "target7a",
"exempt_target": "target7b"}
check = AssertRBAC(self.p, "test_check_passes_exempt_target_attr", config)
check.output = fd
result = check.run()
self.assertEqual(1, len(result), msg=result)
rule = result[0]
self.assertEqual(RBACRuletype.allow, rule.ruletype)
self.assertEqual("source7", rule.source)
self.assertEqual("target7c", rule.target)
def test_check_fails_expect_source(self):
"""Test the check fails, expect_source"""
config = {"target": "target8",
"expect_source": "source8"}
check = AssertRBAC(self.p, "test_check_fails_expect_source", config)
result = check.run()
self.assertEqual(1, len(result), msg=result)
self.assertIn("source8", result[0])
def test_check_fails_expect_target(self):
"""Test the check fails, expect_target"""
config = {"source": "source9",
"expect_target": "target9"}
check = AssertRBAC(self.p, "test_check_fails_expect_target", config)
result = check.run()
self.assertEqual(1, len(result), msg=result)
self.assertIn("target9", result[0])