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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/assertte.conf")
class TestAssertTE:
def test_unconfigured(self, compiled_policy: setools.SELinuxPolicy) -> None:
"""Test unconfigured."""
with pytest.raises(setools.exception.InvalidCheckValue):
config = dict[str, str]()
check = setools.checker.assertte.AssertTE(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.assertte.AssertTE(
compiled_policy, "test_invalid_option", config)
def test_source(self, compiled_policy: setools.SELinuxPolicy) -> None:
"""Test source setting."""
config = {"source": "src"}
check = setools.checker.assertte.AssertTE(compiled_policy, "test_source", config)
expected = compiled_policy.lookup_type("src")
assert expected == check.source
def test_source_fail(self, compiled_policy: setools.SELinuxPolicy) -> None:
"""Test source setting failure."""
with pytest.raises(setools.exception.InvalidCheckValue):
config = {"source": "FAIL"}
check = setools.checker.assertte.AssertTE(compiled_policy, "test_source_fail", config)
def test_target(self, compiled_policy: setools.SELinuxPolicy) -> None:
"""Test target setting."""
config = {"target": "tgt"}
check = setools.checker.assertte.AssertTE(compiled_policy, "test_target", config)
expected = compiled_policy.lookup_type("tgt")
assert expected == check.target
def test_target_fail(self, compiled_policy: setools.SELinuxPolicy) -> None:
"""Test target setting failure."""
with pytest.raises(setools.exception.InvalidCheckValue):
config = {"target": "FAIL2"}
check = setools.checker.assertte.AssertTE(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.assertte.AssertTE(compiled_policy, "test_exempt_source", config)
# exempt_src2 is an attr
expected = set((compiled_policy.lookup_type("exempt_src1"),
compiled_policy.lookup_type("exempt_source_type")))
assert expected == check.exempt_source
def test_source_missing_ignored(self, compiled_policy: setools.SELinuxPolicy) -> None:
"""Test exempt_source missing type is ignored."""
config = {"source": "system",
"exempt_source": "FAIL exempt_src2"}
check = setools.checker.assertte.AssertTE(
compiled_policy, "test_source_missing_ignored", config)
# exempt_src2 is an attr
expected = set((compiled_policy.lookup_type("exempt_source_type"),))
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.assertte.AssertTE(compiled_policy, "test_exempt_target", config)
# exempt_tgt2 is an attr
expected = set((compiled_policy.lookup_type("exempt_tgt1"),
compiled_policy.lookup_type("exempt_target_type")))
assert expected == check.exempt_target
def test_target_missing_ignored(self, compiled_policy: setools.SELinuxPolicy) -> None:
"""Test exempt_target missing type is ignored."""
config = {"target": "system",
"exempt_target": "FAIL exempt_tgt2"}
check = setools.checker.assertte.AssertTE(
compiled_policy, "test_target_missing_ignored", config)
# exempt_tgt2 is an attr
expected = set((compiled_policy.lookup_type("exempt_target_type"),))
assert expected == check.exempt_target
def test_expect_source(self, compiled_policy: setools.SELinuxPolicy) -> None:
"""Test expect_source setting."""
config = {"tclass": "infoflow3",
"expect_source": " exempt_src1 exempt_src2 "}
check = setools.checker.assertte.AssertTE(compiled_policy, "test_expect_source", config)
# exempt_src2 is an attr
expected = set((compiled_policy.lookup_type("exempt_src1"),
compiled_policy.lookup_type("exempt_source_type")))
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 = {"tclass": "infoflow3",
"expect_source": " source1 INVALID "}
check = setools.checker.assertte.AssertTE(
compiled_policy, "test_expect_source_fail", config)
def test_expect_target(self, compiled_policy: setools.SELinuxPolicy) -> None:
"""Test expect_target setting."""
config = {"tclass": "infoflow3",
"expect_target": " exempt_tgt1 exempt_tgt2 "}
check = setools.checker.assertte.AssertTE(compiled_policy, "test_expect_target", config)
# exempt_tgt2 is an attr
expected = set((compiled_policy.lookup_type("exempt_tgt1"),
compiled_policy.lookup_type("exempt_target_type")))
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 = {"tclass": "infoflow3",
"expect_target": " target1 INVALID "}
check = setools.checker.assertte.AssertTE(
compiled_policy, "test_expect_target_fail", config)
def test_tclass(self, compiled_policy: setools.SELinuxPolicy) -> None:
"""Test tclass setting."""
config = {"tclass": "infoflow3 infoflow2"}
check = setools.checker.assertte.AssertTE(compiled_policy, "test_tclass", config)
expected = set((compiled_policy.lookup_class("infoflow3"),
compiled_policy.lookup_class("infoflow2")))
assert expected == check.tclass
def test_tclass_fail(self, compiled_policy: setools.SELinuxPolicy) -> None:
"""Test tclass setting failure."""
with pytest.raises(setools.exception.InvalidCheckValue):
config = {"tclass": "FAIL_class"}
check = setools.checker.assertte.AssertTE(compiled_policy, "test_tclass_fail", config)
def test_perms(self, compiled_policy: setools.SELinuxPolicy) -> None:
"""Test perms setting."""
config = {"perms": " hi_w super_r "}
check = setools.checker.assertte.AssertTE(compiled_policy, "test_perms", config)
expected = set(("hi_w", "super_r"))
assert expected == check.perms
def test_perms_fail(self, compiled_policy: setools.SELinuxPolicy) -> None:
"""Test perms setting failure."""
with pytest.raises(setools.exception.InvalidCheckValue):
config = {"perms": "FAIL_perms"}
check = setools.checker.assertte.AssertTE(compiled_policy, "test_perms_fail", config)
def test_check_passes(self, compiled_policy: setools.SELinuxPolicy) -> None:
"""Test the check passes, no matches"""
config = {"perms": "null"}
check = setools.checker.assertte.AssertTE(compiled_policy, "test_check_passes", config)
assert not check.run()
def test_check_passes_empty_source(self, compiled_policy: setools.SELinuxPolicy) -> None:
"""Test the check passes, empty source attribute"""
config = {"tclass": "infoflow7",
"perms": "super_w"}
check = setools.checker.assertte.AssertTE(
compiled_policy, "test_check_passes_empty_source", config)
assert not check.run()
def test_check_passes_empty_target(self, compiled_policy: setools.SELinuxPolicy) -> None:
"""Test the check passes, empty target attribute"""
config = {"tclass": "infoflow7",
"perms": "super_r"}
check = setools.checker.assertte.AssertTE(
compiled_policy, "test_check_passes_empty_target", config)
assert not check.run()
def test_check_passes_exempt_source_type(self, compiled_policy: setools.SELinuxPolicy) -> None:
"""Test the check passes, exempt_source_type"""
config = {"tclass": "infoflow6",
"perms": "hi_w",
"exempt_source": "source1"}
check = setools.checker.assertte.AssertTE(
compiled_policy, "test_check_passes_exempt_source_type", config)
assert not check.run()
def test_check_passes_exempt_source_attr(self, compiled_policy: setools.SELinuxPolicy) -> None:
"""Test the check passes, exempt_source_attr"""
config = {"tclass": "infoflow6",
"perms": "hi_r",
"exempt_source": "all_sources"}
check = setools.checker.assertte.AssertTE(
compiled_policy, "test_check_passes_exempt_source_attr", config)
assert not check.run()
def test_check_passes_exempt_target_type(self, compiled_policy: setools.SELinuxPolicy) -> None:
"""Test the check passes, exempt_target_type"""
config = {"tclass": "infoflow5",
"perms": "low_w",
"exempt_source": "source1"}
check = setools.checker.assertte.AssertTE(
compiled_policy, "test_check_passes_exempt_target_type", config)
assert not check.run()
def test_check_passes_exempt_target_attr(self, compiled_policy: setools.SELinuxPolicy) -> None:
"""Test the check passes, exempt_target_attr"""
config = {"tclass": "infoflow5",
"perms": "low_r",
"exempt_target": "all_targets"}
check = setools.checker.assertte.AssertTE(
compiled_policy, "test_check_passes_exempt_target_attr", config)
assert not check.run()
def test_check_passes_expect_source(self, compiled_policy: setools.SELinuxPolicy) -> None:
"""Test the check passes, expect_source"""
config = {"tclass": "infoflow6",
"perms": "hi_r",
"expect_source": "source1 source2"}
check = setools.checker.assertte.AssertTE(
compiled_policy, "test_check_passes_expect_source", config)
assert not check.run()
def test_check_passes_expect_source_attr(self, compiled_policy: setools.SELinuxPolicy) -> None:
"""Test the check passes, expect_source with attribute"""
config = {"tclass": "infoflow4",
"perms": "med_w",
"expect_source": "all_sources"}
check = setools.checker.assertte.AssertTE(
compiled_policy, "test_check_passes_expect_source_attr", config)
assert not check.run()
def test_check_passes_expect_target(self, compiled_policy: setools.SELinuxPolicy) -> None:
"""Test the check passes, expect_target"""
config = {"tclass": "infoflow6",
"perms": "hi_r",
"expect_target": "target1 target2"}
check = setools.checker.assertte.AssertTE(
compiled_policy, "test_check_passes_expect_target", config)
assert not check.run()
def test_check_passes_expect_target_attr(self, compiled_policy: setools.SELinuxPolicy) -> None:
"""Test the check passes, expect_target with attribute"""
config = {"tclass": "infoflow4",
"perms": "med_w",
"expect_target": "all_targets"}
check = setools.checker.assertte.AssertTE(
compiled_policy, "test_check_passes_expect_target_attr", 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 = {"tclass": "infoflow5",
"perms": "low_r",
"expect_source": "source1",
"exempt_source": "source2"}
check = setools.checker.assertte.AssertTE(
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 = {"tclass": "infoflow5",
"perms": "low_r",
"expect_source": "source1",
"exempt_source": "source2"}
check = setools.checker.assertte.AssertTE(
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 = {"tclass": "infoflow4",
"perms": "med_w",
"exempt_source": "source1",
"exempt_target": "target2"}
check = setools.checker.assertte.AssertTE(
compiled_policy, "test_check_passes_exempt_target_attr", config)
check.output = fd
result = check.run()
assert 1 == len(result)
rule = result.pop()
assert isinstance(rule, setools.AVRule)
assert rule.ruletype == setools.TERuletype.allow
assert rule.source == "source3"
assert rule.target == "target3"
assert rule.tclass == "infoflow4"
assert rule.perms == set(["med_w"])
def test_check_fails_expect_source(self, compiled_policy: setools.SELinuxPolicy) -> None:
"""Test the check fails, expect_source"""
config = {"tclass": "infoflow7",
"perms": "super_w",
"expect_source": "source1"}
check = setools.checker.assertte.AssertTE(
compiled_policy, "test_check_fails_expect_source", config)
result = check.run()
assert 1 == len(result)
msg = result.pop()
assert isinstance(msg, str)
assert "source1" in msg
def test_check_fails_expect_target(self, compiled_policy: setools.SELinuxPolicy) -> None:
"""Test the check fails, expect_target"""
config = {"tclass": "infoflow7",
"perms": "super_r",
"expect_target": "target2"}
check = setools.checker.assertte.AssertTE(
compiled_policy, "test_check_fails_expect_target", config)
result = check.run()
msg = result.pop()
assert isinstance(msg, str)
assert "target2" in msg
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