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# Authors: Karl MacMillan <kmacmillan@mentalrootkit.com>
#
# Copyright (C) 2006 Red Hat
# see file 'COPYING' for use and warranty information
#
# This program 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; version 2 only
#
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
import unittest
import sepolgen.refpolicy as refpolicy
import selinux
class TestIdSet(unittest.TestCase):
def test_set_to_str(self):
s = refpolicy.IdSet(["read", "write", "getattr"])
s = s.to_space_str().split(' ')
s.sort()
expected = "{ read write getattr }".split(' ')
expected.sort()
self.assertEqual(s, expected)
s = refpolicy.IdSet()
s.add("read")
self.assertEqual(s.to_space_str(), "read")
class TestSecurityContext(unittest.TestCase):
def test_init(self):
sc = refpolicy.SecurityContext()
sc = refpolicy.SecurityContext("user_u:object_r:foo_t")
def test_from_string(self):
context = "user_u:object_r:foo_t"
sc = refpolicy.SecurityContext()
sc.from_string(context)
self.assertEqual(sc.user, "user_u")
self.assertEqual(sc.role, "object_r")
self.assertEqual(sc.type, "foo_t")
self.assertEqual(sc.level, None)
if selinux.is_selinux_mls_enabled():
self.assertEqual(str(sc), context + ":s0")
else:
self.assertEqual(str(sc), context)
self.assertEqual(sc.to_string(default_level="s1"), context + ":s1")
context = "user_u:object_r:foo_t:s0-s0:c0-c255"
sc = refpolicy.SecurityContext()
sc.from_string(context)
self.assertEqual(sc.user, "user_u")
self.assertEqual(sc.role, "object_r")
self.assertEqual(sc.type, "foo_t")
self.assertEqual(sc.level, "s0-s0:c0-c255")
self.assertEqual(str(sc), context)
self.assertEqual(sc.to_string(), context)
sc = refpolicy.SecurityContext()
self.assertRaises(ValueError, sc.from_string, "abc")
def test_equal(self):
sc1 = refpolicy.SecurityContext("user_u:object_r:foo_t")
sc2 = refpolicy.SecurityContext("user_u:object_r:foo_t")
sc3 = refpolicy.SecurityContext("user_u:object_r:foo_t:s0")
sc4 = refpolicy.SecurityContext("user_u:object_r:bar_t")
self.assertEqual(sc1, sc2)
self.assertNotEqual(sc1, sc3)
self.assertNotEqual(sc1, sc4)
class TestObjecClass(unittest.TestCase):
def test_init(self):
o = refpolicy.ObjectClass(name="file")
self.assertEqual(o.name, "file")
self.assertTrue(isinstance(o.perms, set))
class TestAVRule(unittest.TestCase):
def test_init(self):
a = refpolicy.AVRule()
self.assertEqual(a.rule_type, a.ALLOW)
self.assertTrue(isinstance(a.src_types, set))
self.assertTrue(isinstance(a.tgt_types, set))
self.assertTrue(isinstance(a.obj_classes, set))
self.assertTrue(isinstance(a.perms, set))
def test_to_string(self):
a = refpolicy.AVRule()
a.src_types.add("foo_t")
a.tgt_types.add("bar_t")
a.obj_classes.add("file")
a.perms.add("read")
self.assertEqual(a.to_string(), "allow foo_t bar_t:file read;")
a.rule_type = a.DONTAUDIT
a.src_types.add("user_t")
a.tgt_types.add("user_home_t")
a.obj_classes.add("lnk_file")
a.perms.add("write")
# This test might need to go because set ordering is not guaranteed
a = a.to_string().split(' ')
a.sort()
b = "dontaudit { foo_t user_t } { user_home_t bar_t }:{ lnk_file file } { read write };".split(' ')
b.sort()
self.assertEqual(a, b)
class TestTypeRule(unittest.TestCase):
def test_init(self):
a = refpolicy.TypeRule()
self.assertEqual(a.rule_type, a.TYPE_TRANSITION)
self.assertTrue(isinstance(a.src_types, set))
self.assertTrue(isinstance(a.tgt_types, set))
self.assertTrue(isinstance(a.obj_classes, set))
self.assertEqual(a.dest_type, "")
def test_to_string(self):
a = refpolicy.TypeRule()
a.src_types.add("foo_t")
a.tgt_types.add("bar_exec_t")
a.obj_classes.add("process")
a.dest_type = "bar_t"
self.assertEqual(a.to_string(), "type_transition foo_t bar_exec_t:process bar_t;")
class TestParseNode(unittest.TestCase):
def test_walktree(self):
# Construct a small tree
h = refpolicy.Headers()
a = refpolicy.AVRule()
a.src_types.add("foo_t")
a.tgt_types.add("bar_t")
a.obj_classes.add("file")
a.perms.add("read")
ifcall = refpolicy.InterfaceCall(ifname="allow_foobar")
ifcall.args.append("foo_t")
ifcall.args.append("{ file dir }")
i = refpolicy.Interface(name="foo")
i.children.append(a)
i.children.append(ifcall)
h.children.append(i)
a = refpolicy.AVRule()
a.rule_type = a.DONTAUDIT
a.src_types.add("user_t")
a.tgt_types.add("user_home_t")
a.obj_classes.add("lnk_file")
a.perms.add("write")
i = refpolicy.Interface(name="bar")
i.children.append(a)
h.children.append(i)
class TestHeaders(unittest.TestCase):
def test_iter(self):
h = refpolicy.Headers()
h.children.append(refpolicy.Interface(name="foo"))
h.children.append(refpolicy.Interface(name="bar"))
h.children.append(refpolicy.ClassMap("file", "read write"))
i = 0
for node in h:
i += 1
self.assertEqual(i, 3)
i = 0
for node in h.interfaces():
i += 1
self.assertEqual(i, 2)
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