selinux/sepolgen/tests/test_access.py
Robert Kuska a280b06dd9 sepolgen: Edit tests so they pass even on Python3 where hash is random.
By default in Python3 hash uses random seed as salt, this leads to
different order in output from functions which rely on hash as are
dicts and sets. Tests in sepolgen relied on the frozen order.

Signed-off-by: Robert Kuska <rkuska@redhat.com>
2015-07-16 13:06:03 -04:00

263 lines
8.5 KiB
Python

# 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 sepolgen.refparser as refparser
import sepolgen.policygen as policygen
import sepolgen.access as access
class TestAccessVector(unittest.TestCase):
def test_init(self):
# Default construction
a = access.AccessVector()
self.assertEqual(a.src_type, None)
self.assertEqual(a.tgt_type, None)
self.assertEqual(a.obj_class, None)
self.assertTrue(isinstance(a.perms, refpolicy.IdSet))
self.assertTrue(isinstance(a.audit_msgs, type([])))
self.assertEqual(len(a.audit_msgs), 0)
# Construction from a list
a = access.AccessVector()
a.src_type = "foo"
a.tgt_type = "bar"
a.obj_class = "file"
a.perms.update(["read", "write"])
l = access.AccessVector(['foo', 'bar', 'file', 'read', 'write'])
self.assertEqual(a.src_type, l.src_type)
self.assertEqual(a.tgt_type, l.tgt_type)
self.assertEqual(a.obj_class, l.obj_class)
self.assertEqual(a.perms, l.perms)
def test_from_list(self):
a = access.AccessVector()
a.src_type = "foo"
a.tgt_type = "bar"
a.obj_class = "file"
a.perms.update(["read", "write"])
l = access.AccessVector()
l.from_list(['foo', 'bar', 'file', 'read', 'write'])
self.assertEqual(a.src_type, l.src_type)
self.assertEqual(a.tgt_type, l.tgt_type)
self.assertEqual(a.obj_class, l.obj_class)
self.assertEqual(a.perms, l.perms)
def test_to_list(self):
a = access.AccessVector()
a.src_type = "foo"
a.tgt_type = "bar"
a.obj_class = "file"
a.perms.update(["read", "write"])
l = a.to_list()
self.assertEqual(l[0], "foo")
self.assertEqual(l[1], "bar")
self.assertEqual(l[2], "file")
perms = l[3:]
perms.sort()
self.assertEqual(perms[0], "read")
self.assertEqual(perms[1], "write")
def test_to_string(self):
a = access.AccessVector()
a.src_type = "foo"
a.tgt_type = "bar"
a.obj_class = "file"
a.perms.update(["read", "write"])
first, second = str(a).split(':')
self.assertEqual(first, "allow foo bar")
second = second.split(' ')
second.sort()
expected = "file { read write };".split(' ')
expected.sort()
self.assertEqual(second, expected)
first, second = a.to_string().split(':')
self.assertEqual(first, "allow foo bar")
second = second.split(' ')
second.sort()
expected = "file { read write };".split(' ')
expected.sort()
self.assertEqual(second, expected)
def test_cmp(self):
a = access.AccessVector()
a.src_type = "foo"
a.tgt_type = "bar"
a.obj_class = "file"
a.perms.update(["read", "write"])
b = access.AccessVector()
b.src_type = "foo"
b.tgt_type = "bar"
b.obj_class = "file"
b.perms.update(["read", "write"])
self.assertEqual(a, b)
# Source Type
b.src_type = "baz"
self.assertNotEqual(a, b)
self.assertTrue(a > b)
b.src_type = "gaz"
self.assertNotEqual(a, b)
self.assertTrue(a < b)
# Target Type
b.src_type = "foo"
b.tgt_type = "aar"
self.assertNotEqual(a, b)
self.assertTrue(a > b)
b.tgt_type = "gaz"
self.assertNotEqual(a, b)
self.assertTrue(a < b)
# Perms
b.tgt_type = "bar"
b.perms = refpolicy.IdSet(["read"])
self.assertNotEqual(a, b)
self.assertTrue(a > b)
b.perms = refpolicy.IdSet(["read", "write", "append"])
self.assertNotEqual(a, b)
b.perms = refpolicy.IdSet(["read", "append"])
self.assertNotEqual(a, b)
class TestUtilFunctions(unittest.TestCase):
def test_is_idparam(self):
self.assertTrue(access.is_idparam("$1"))
self.assertTrue(access.is_idparam("$2"))
self.assertTrue(access.is_idparam("$123"))
self.assertFalse(access.is_idparam("$123.23"))
self.assertFalse(access.is_idparam("$A"))
def test_avrule_to_access_vectors(self):
rule = refpolicy.AVRule()
rule.src_types.add("foo")
rule.src_types.add("baz")
rule.tgt_types.add("bar")
rule.tgt_types.add("what")
rule.obj_classes.add("file")
rule.obj_classes.add("dir")
rule.perms.add("read")
rule.perms.add("write")
avs = access.avrule_to_access_vectors(rule)
self.assertEqual(len(avs), 8)
comps = [("foo", "what", "dir"),
("foo", "what", "file"),
("foo", "bar", "dir"),
("foo", "bar", "file"),
("baz", "what", "dir"),
("baz", "what", "file"),
("baz", "bar", "dir"),
("baz", "bar", "file")]
status = [False] * 8
for av in access.avrule_to_access_vectors(rule):
self.assertEqual(av.perms, refpolicy.IdSet(["read", "write"]))
for i in range(len(comps)):
if comps[i][0] == av.src_type and \
comps[i][1] == av.tgt_type and \
comps[i][2] == av.obj_class:
status[i] = True
for s in status:
self.assertEqual(s, True)
class TestAccessVectorSet(unittest.TestCase):
def setUp(self):
rule = refpolicy.AVRule()
rule.src_types.add("foo")
rule.src_types.add("baz")
rule.tgt_types.add("bar")
rule.tgt_types.add("what")
rule.obj_classes.add("file")
rule.obj_classes.add("dir")
rule.perms.add("read")
rule.perms.add("write")
s = access.AccessVectorSet()
avs = access.avrule_to_access_vectors(rule)
for av in avs:
s.add_av(av)
self.s = s
def test_init(self):
a = access.AccessVectorSet()
def test_iter(self):
comps = [("foo", "what", "dir"),
("foo", "what", "file"),
("foo", "bar", "dir"),
("foo", "bar", "file"),
("baz", "what", "dir"),
("baz", "what", "file"),
("baz", "bar", "dir"),
("baz", "bar", "file")]
status = [False] * 8
for av in self.s:
self.assertEqual(av.perms, refpolicy.IdSet(["read", "write"]))
for i in range(len(comps)):
if comps[i][0] == av.src_type and \
comps[i][1] == av.tgt_type and \
comps[i][2] == av.obj_class:
status[i] = True
for s in status:
self.assertEqual(s, True)
def test_len(self):
self.assertEqual(len(self.s), 8)
def test_list(self):
a = access.AccessVectorSet()
a.add("$1", "foo", "file", refpolicy.IdSet(["read", "write"]))
a.add("$1", "bar", "file", refpolicy.IdSet(["read", "write"]))
a.add("what", "bar", "file", refpolicy.IdSet(["read", "write"]))
avl = a.to_list()
avl.sort()
test_l = [['what','bar','file','read','write'],
['$1','foo','file','read','write'],
['$1','bar','file','read','write']]
test_l.sort()
for a,b in zip(test_l, avl):
self.assertEqual(len(a), len(b))
for x,y in list(zip(a,b))[:3]:
self.assertEqual(x, y)
perms1 = a[3:]
perms2 = b[3:]
perms1.sort()
perms2.sort()
self.assertEqual(perms1, perms2)
b = access.AccessVectorSet()
b.from_list(avl)
self.assertEqual(len(b), 3)