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# Copyright 2020, Microsoft Corporation
# Copyright 2020, Chris PeBenito <pebenito@ieee.org>
#
# SPDX-License-Identifier: GPL-2.0-only
#
import os
import pytest
import setools
@pytest.mark.obj_args("tests/library/checker/assertrbac.conf")
class TestAssertRBAC:
def test_unconfigured(self, compiled_policy: setools.SELinuxPolicy) -> None:
"""Test unconfigured."""
with pytest.raises(setools.exception.InvalidCheckValue):
config: dict[str, str] = {}
check = setools.checker.assertrbac.AssertRBAC(
compiled_policy, "test_unconfigured", config)
def test_invalid_option(self, compiled_policy: setools.SELinuxPolicy) -> None:
"""Test invalid option"""
with pytest.raises(setools.exception.InvalidCheckOption):
config = {"INVALID": "option"}
check = setools.checker.assertrbac.AssertRBAC(
compiled_policy, "test_invalid_option", config)
def test_source(self, compiled_policy: setools.SELinuxPolicy) -> None:
"""Test source setting."""
config = {"source": "src"}
check = setools.checker.assertrbac.AssertRBAC(compiled_policy, "test_source", config)
expected = compiled_policy.lookup_role("src")
assert expected == check.source
def test_source_error(self, compiled_policy: setools.SELinuxPolicy) -> None:
"""Test source bad setting."""
with pytest.raises(setools.exception.InvalidCheckValue):
config = {"source": "FAIL"}
check = setools.checker.assertrbac.AssertRBAC(
compiled_policy, "test_source_fail", config)
def test_target(self, compiled_policy: setools.SELinuxPolicy) -> None:
"""Test target setting."""
config = {"target": "tgt"}
check = setools.checker.assertrbac.AssertRBAC(compiled_policy, "test_target", config)
expected = compiled_policy.lookup_role("tgt")
assert expected == check.target
def test_target_error(self, compiled_policy: setools.SELinuxPolicy) -> None:
"""Test target bad setting."""
with pytest.raises(setools.exception.InvalidCheckValue):
config = {"target": "FAIL2"}
check = setools.checker.assertrbac.AssertRBAC(
compiled_policy, "test_target_fail", config)
def test_exempt_source(self, compiled_policy: setools.SELinuxPolicy) -> None:
"""Test exempt_source setting."""
config = {"source": "system",
"exempt_source": " exempt_src1 exempt_src2 "}
check = setools.checker.assertrbac.AssertRBAC(
compiled_policy, "test_exempt_source", config)
# exempt_src2 is an attr
expected = set((compiled_policy.lookup_role("exempt_src1"),
compiled_policy.lookup_role("exempt_src2")))
assert expected == check.exempt_source
def test_exempt_source_missing(self, compiled_policy: setools.SELinuxPolicy) -> None:
"""Test exempt_source missing role is ignored."""
config = {"source": "system",
"exempt_source": "FAIL exempt_src2"}
check = setools.checker.assertrbac.AssertRBAC(
compiled_policy, "test_source_missing_ignored", config)
# exempt_src2 is an attr
expected = set((compiled_policy.lookup_role("exempt_src2"),))
assert expected == check.exempt_source
def test_exempt_target(self, compiled_policy: setools.SELinuxPolicy) -> None:
"""Test exempt_target setting."""
config = {"target": "system",
"exempt_target": " exempt_tgt1 exempt_tgt2 "}
check = setools.checker.assertrbac.AssertRBAC(
compiled_policy, "test_exempt_target", config)
# exempt_tgt2 is an attr
expected = set((compiled_policy.lookup_role("exempt_tgt1"),
compiled_policy.lookup_role("exempt_tgt2")))
assert expected == check.exempt_target
def test_exempt_target_missing(self, compiled_policy: setools.SELinuxPolicy) -> None:
"""Success, missing role ignored"""
config = {"target": "system",
"exempt_target": "FAIL exempt_tgt2"}
check = setools.checker.assertrbac.AssertRBAC(
compiled_policy, "test_target_missing_ignored", config)
# exempt_tgt2 is an attr
expected = set((compiled_policy.lookup_role("exempt_tgt2"),))
assert expected == check.exempt_target
def test_expect_source(self, compiled_policy: setools.SELinuxPolicy) -> None:
"""Test expect_source setting."""
config = {"target": "tgt",
"expect_source": " exempt_src1 exempt_src2 "}
check = setools.checker.assertrbac.AssertRBAC(
compiled_policy, "test_expect_source", config)
# exempt_src2 is an attr
expected = set((compiled_policy.lookup_role("exempt_src1"),
compiled_policy.lookup_role("exempt_src2")))
assert expected == check.expect_source
def test_expect_source_error(self, compiled_policy: setools.SELinuxPolicy) -> None:
"""Test bad expect_source setting."""
with pytest.raises(setools.exception.InvalidCheckValue):
config = {"target": "tgt",
"expect_source": " source1 INVALID "}
check = setools.checker.assertrbac.AssertRBAC(
compiled_policy, "test_expect_source_fail", config)
def test_expect_target(self, compiled_policy: setools.SELinuxPolicy) -> None:
"""Test expect_target setting."""
config = {"source": "src",
"expect_target": " exempt_tgt1 exempt_tgt2 "}
check = setools.checker.assertrbac.AssertRBAC(
compiled_policy, "test_expect_target", config)
# exempt_tgt2 is an attr
expected = set((compiled_policy.lookup_role("exempt_tgt1"),
compiled_policy.lookup_role("exempt_tgt2")))
assert expected == check.expect_target
def test_expect_target_error(self, compiled_policy: setools.SELinuxPolicy) -> None:
"""Test bad expect_target setting."""
with pytest.raises(setools.exception.InvalidCheckValue):
config = {"source": "src",
"expect_target": " target1 INVALID "}
check = setools.checker.assertrbac.AssertRBAC(
compiled_policy, "test_expect_target_fail", config)
def test_check_passes(self, compiled_policy: setools.SELinuxPolicy) -> None:
"""Test the check passes, no matches"""
config = {"source": "src",
"target": "tgt"}
check = setools.checker.assertrbac.AssertRBAC(compiled_policy, "test_check_passes", config)
assert not check.run()
def test_check_passes_exempt_source_role(self, compiled_policy: setools.SELinuxPolicy) -> None:
"""Test the check passes, exempt_source_role"""
config = {"target": "target1",
"exempt_source": "source1"}
check = setools.checker.assertrbac.AssertRBAC(
compiled_policy, "test_check_passes_exempt_source_role", config)
assert not check.run()
def test_check_passes_exempt_target_role(self, compiled_policy: setools.SELinuxPolicy) -> None:
"""Test the check passes, exempt_target_role"""
config = {"target": "target2",
"exempt_source": "source2"}
check = setools.checker.assertrbac.AssertRBAC(
compiled_policy, "test_check_passes_exempt_target_role", config)
assert not check.run()
def test_check_passes_expect_source(self, compiled_policy: setools.SELinuxPolicy) -> None:
"""Test the check passes, expect_source"""
config = {"target": "target3",
"expect_source": "source3a source3b"}
check = setools.checker.assertrbac.AssertRBAC(
compiled_policy, "test_check_passes_expect_source", config)
assert not check.run()
def test_check_passes_expect_target(self, compiled_policy: setools.SELinuxPolicy) -> None:
"""Test the check passes, expect_target"""
config = {"source": "source4",
"expect_target": "target4a target4b"}
check = setools.checker.assertrbac.AssertRBAC(
compiled_policy, "test_check_passes_expect_target", config)
assert not check.run()
def test_check_passes_expect_exempt_source(self,
compiled_policy: setools.SELinuxPolicy) -> None:
""""Test the check passes with both expected and exempted sources."""
config = {"target": "target5",
"expect_source": "source5a",
"exempt_source": "source5b"}
check = setools.checker.assertrbac.AssertRBAC(
compiled_policy, "test_check_passes_expect_exempt_source", config)
assert not check.run()
def test_check_passes_expect_exempt_target(self,
compiled_policy: setools.SELinuxPolicy) -> None:
""""Test the check passes with both expected and exempted targets."""
config = {"source": "source6",
"expect_target": "target6a",
"exempt_target": "target6b"}
check = setools.checker.assertrbac.AssertRBAC(
compiled_policy, "test_check_passes_expect_exempt_target", config)
assert not check.run()
def test_check_fails(self, compiled_policy: setools.SELinuxPolicy) -> None:
"""Test the check fails"""
with open(os.devnull, "w", encoding="utf-8") as fd:
config = {"source": "source7",
"expect_target": "target7a",
"exempt_target": "target7b"}
check = setools.checker.assertrbac.AssertRBAC(
compiled_policy, "test_check_passes_exempt_target_attr", config)
check.output = fd
result = check.run()
assert 1 == len(result)
rule = result[0]
assert isinstance(rule, setools.RoleAllow)
assert setools.RBACRuletype.allow == rule.ruletype
assert "source7" == rule.source
assert "target7c" == rule.target
def test_check_fails_expect_source(self, compiled_policy: setools.SELinuxPolicy) -> None:
"""Test the check fails, expect_source"""
config = {"target": "target8",
"expect_source": "source8"}
check = setools.checker.assertrbac.AssertRBAC(
compiled_policy, "test_check_fails_expect_source", config)
result = check.run()
assert 1 == len(result)
msg = result.pop()
assert isinstance(msg, str)
assert "source8" in msg
def test_check_fails_expect_target(self, compiled_policy: setools.SELinuxPolicy) -> None:
"""Test the check fails, expect_target"""
config = {"source": "source9",
"expect_target": "target9"}
check = setools.checker.assertrbac.AssertRBAC(
compiled_policy, "test_check_fails_expect_target", config)
result = check.run()
assert 1 == len(result)
msg = result.pop()
assert isinstance(msg, str)
assert "target9" in msg
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