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# Copyright 2008 Google Inc. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Unittest for windows acl rendering module."""
from absl.testing import absltest
from unittest import mock
from capirca.lib import naming
from capirca.lib import policy
from capirca.lib import windows
GOOD_HEADER = """
header {
comment:: "this is a test acl"
target:: windows test-filter
}
"""
MULTIPLE_PROTOCOLS_TERM = """
term multi-proto {
protocol:: tcp udp icmp
action:: accept
}
"""
GOOD_WARNING_TERM = """
term good-warning-term {
protocol:: tcp udp icmp
policer:: batman
action:: accept
}
"""
GOOD_TERM = """
term good-term {
source-port:: FOO
destination-port:: BAR
protocol:: tcp
action:: accept
}
"""
TCP_ESTABLISHED_TERM = """
term tcp-established {
source-port:: FOO
destination-port:: BAR
protocol:: tcp
option:: tcp-established
action:: accept
}
"""
UDP_ESTABLISHED_TERM = """
term udp-established-term {
source-port:: FOO
destination-port:: BAR
protocol:: udp
option:: established
action:: accept
}
"""
SUPPORTED_TOKENS = {
'action',
'comment',
'destination_address',
'destination_address_exclude',
'destination_port',
'expiration',
'icmp_type',
'stateless_reply',
'name',
'option',
'platform',
'platform_exclude',
'protocol',
'source_address',
'source_address_exclude',
'source_port',
'translated',
}
SUPPORTED_SUB_TOKENS = {
'action': {'accept', 'deny'},
'icmp_type': {
'alternate-address',
'certification-path-advertisement',
'certification-path-solicitation',
'conversion-error',
'destination-unreachable',
'echo-reply',
'echo-request', 'mobile-redirect',
'home-agent-address-discovery-reply',
'home-agent-address-discovery-request',
'icmp-node-information-query',
'icmp-node-information-response',
'information-request',
'inverse-neighbor-discovery-advertisement',
'inverse-neighbor-discovery-solicitation',
'mask-reply',
'mask-request', 'information-reply',
'mobile-prefix-advertisement',
'mobile-prefix-solicitation',
'multicast-listener-done',
'multicast-listener-query',
'multicast-listener-report',
'multicast-router-advertisement',
'multicast-router-solicitation',
'multicast-router-termination',
'neighbor-advertisement',
'neighbor-solicit',
'packet-too-big',
'parameter-problem',
'redirect',
'redirect-message',
'router-advertisement',
'router-renumbering',
'router-solicit',
'router-solicitation',
'source-quench',
'time-exceeded',
'timestamp-reply',
'timestamp-request',
'unreachable',
'version-2-multicast-listener-report',
},
}
# Print a info message when a term is set to expire in that many weeks.
# This is normally passed from command line.
EXP_INFO = 2
class WindowsGeneratorTest(absltest.TestCase):
def setUp(self):
super().setUp()
self.naming = mock.create_autospec(naming.Naming)
def testBuildTokens(self):
pol1 = windows.WindowsGenerator(
policy.ParsePolicy(GOOD_HEADER + MULTIPLE_PROTOCOLS_TERM, self.naming),
EXP_INFO)
st, sst = pol1._BuildTokens()
self.assertEqual(st, SUPPORTED_TOKENS)
self.assertEqual(sst, SUPPORTED_SUB_TOKENS)
def testBuildWarningTokens(self):
pol1 = windows.WindowsGenerator(policy.ParsePolicy(
GOOD_HEADER + GOOD_WARNING_TERM, self.naming), EXP_INFO)
st, sst = pol1._BuildTokens()
self.assertEqual(st, SUPPORTED_TOKENS)
self.assertEqual(sst, SUPPORTED_SUB_TOKENS)
def testSkipEstablished(self):
# self.naming.GetNetAddr.return_value = _IPSET
self.naming.GetServiceByProto.return_value = ['123']
pol = windows.WindowsGenerator(policy.ParsePolicy(
GOOD_HEADER + TCP_ESTABLISHED_TERM + GOOD_TERM, self.naming), EXP_INFO)
self.assertEqual(len(pol.windows_policies[0][4]), 1)
pol = windows.WindowsGenerator(policy.ParsePolicy(
GOOD_HEADER + UDP_ESTABLISHED_TERM + GOOD_TERM, self.naming), EXP_INFO)
self.assertEqual(len(pol.windows_policies[0][4]), 1)
if __name__ == '__main__':
absltest.main()
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