vmware-nsx/quantum/tests/unit/test_iptables_firewall.py
Monty Taylor a1d52dc22d Add common test base class to hold common things.
There are several common fixtures that every test case wants. Following
the pattern in Nova, add a common base test case class to hold these things.

Change-Id: I2d2cd91e5051d9cbf230e6f48985d6eddcb7b58a
2013-03-05 18:07:14 -05:00

913 lines
36 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
#
# Copyright 2012, Nachi Ueno, NTT MCL, 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.
import mock
from mock import call
from quantum.agent.linux.iptables_firewall import IptablesFirewallDriver
from quantum.tests.unit import test_api_v2
from quantum.tests import base
_uuid = test_api_v2._uuid
FAKE_PREFIX = {'IPv4': '10.0.0.0/24',
'IPv6': 'fe80::0/48'}
FAKE_IP = {'IPv4': '10.0.0.1',
'IPv6': 'fe80::1'}
class IptablesFirewallTestCase(base.BaseTestCase):
def setUp(self):
super(IptablesFirewallTestCase, self).setUp()
self.utils_exec_p = mock.patch(
'quantum.agent.linux.utils.execute')
self.utils_exec = self.utils_exec_p.start()
self.addCleanup(self.utils_exec_p.stop)
self.iptables_cls_p = mock.patch(
'quantum.agent.linux.iptables_manager.IptablesManager')
iptables_cls = self.iptables_cls_p.start()
self.addCleanup(self.iptables_cls_p.stop)
self.iptables_inst = mock.Mock()
self.v4filter_inst = mock.Mock()
self.v6filter_inst = mock.Mock()
self.iptables_inst.ipv4 = {'filter': self.v4filter_inst}
self.iptables_inst.ipv6 = {'filter': self.v6filter_inst}
iptables_cls.return_value = self.iptables_inst
self.firewall = IptablesFirewallDriver()
self.firewall.iptables = self.iptables_inst
def _fake_port(self):
return {'device': 'tapfake_dev',
'mac_address': 'ff:ff:ff:ff',
'fixed_ips': [FAKE_IP['IPv4'],
FAKE_IP['IPv6']]}
def test_prepare_port_filter_with_no_sg(self):
port = self._fake_port()
self.firewall.prepare_port_filter(port)
calls = [call.add_chain('sg-fallback'),
call.add_rule('sg-fallback', '-j DROP'),
call.ensure_remove_chain('sg-chain'),
call.add_chain('sg-chain'),
call.add_chain('ifake_dev'),
call.add_rule('FORWARD',
'-m physdev --physdev-is-bridged '
'--physdev-out tapfake_dev '
'-j $sg-chain'),
call.add_rule('sg-chain',
'-m physdev --physdev-is-bridged '
'--physdev-out tapfake_dev '
'-j $ifake_dev'),
call.add_rule(
'ifake_dev', '-m state --state INVALID -j DROP'),
call.add_rule(
'ifake_dev',
'-m state --state ESTABLISHED,RELATED -j RETURN'),
call.add_rule('ifake_dev', '-j $sg-fallback'),
call.add_chain('ofake_dev'),
call.add_rule('FORWARD',
'-m physdev --physdev-is-bridged '
'--physdev-in tapfake_dev '
'-j $sg-chain'),
call.add_rule('sg-chain',
'-m physdev --physdev-is-bridged '
'--physdev-in tapfake_dev '
'-j $ofake_dev'),
call.add_rule('INPUT',
'-m physdev --physdev-is-bridged '
'--physdev-in tapfake_dev '
'-j $ofake_dev'),
call.add_rule(
'ofake_dev', '-m mac ! --mac-source ff:ff:ff:ff -j DROP'),
call.add_rule(
'ofake_dev',
'-p udp --sport 68 --dport 67 -j RETURN'),
call.add_rule('ofake_dev', '! -s 10.0.0.1 -j DROP'),
call.add_rule(
'ofake_dev',
'-p udp --sport 67 --dport 68 -j DROP'),
call.add_rule(
'ofake_dev', '-m state --state INVALID -j DROP'),
call.add_rule(
'ofake_dev',
'-m state --state ESTABLISHED,RELATED -j RETURN'),
call.add_rule('ofake_dev', '-j $sg-fallback'),
call.add_rule('sg-chain', '-j ACCEPT')]
self.v4filter_inst.assert_has_calls(calls)
def test_filter_ipv4_ingress(self):
rule = {'ethertype': 'IPv4',
'direction': 'ingress'}
ingress = call.add_rule('ifake_dev', '-j RETURN')
egress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv4_ingress_prefix(self):
prefix = FAKE_PREFIX['IPv4']
rule = {'ethertype': 'IPv4',
'direction': 'ingress',
'source_ip_prefix': prefix}
ingress = call.add_rule('ifake_dev', '-j RETURN -s %s' % prefix)
egress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv4_ingress_tcp(self):
rule = {'ethertype': 'IPv4',
'direction': 'ingress',
'protocol': 'tcp'}
ingress = call.add_rule('ifake_dev', '-j RETURN -p tcp')
egress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv4_ingress_tcp_prefix(self):
prefix = FAKE_PREFIX['IPv4']
rule = {'ethertype': 'IPv4',
'direction': 'ingress',
'protocol': 'tcp',
'source_ip_prefix': prefix}
ingress = call.add_rule('ifake_dev', '-j RETURN -p tcp -s %s' % prefix)
egress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv4_ingress_icmp(self):
rule = {'ethertype': 'IPv4',
'direction': 'ingress',
'protocol': 'icmp'}
ingress = call.add_rule('ifake_dev', '-j RETURN -p icmp')
egress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv4_ingress_icmp_prefix(self):
prefix = FAKE_PREFIX['IPv4']
rule = {'ethertype': 'IPv4',
'direction': 'ingress',
'protocol': 'icmp',
'source_ip_prefix': prefix}
ingress = call.add_rule(
'ifake_dev', '-j RETURN -p icmp -s %s' % prefix)
egress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv4_ingress_tcp_port(self):
rule = {'ethertype': 'IPv4',
'direction': 'ingress',
'protocol': 'tcp',
'port_range_min': 10,
'port_range_max': 10}
ingress = call.add_rule('ifake_dev', '-j RETURN -p tcp --dport 10')
egress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv4_ingress_tcp_mport(self):
rule = {'ethertype': 'IPv4',
'direction': 'ingress',
'protocol': 'tcp',
'port_range_min': 10,
'port_range_max': 100}
ingress = call.add_rule(
'ifake_dev',
'-j RETURN -p tcp -m multiport --dports 10:100')
egress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv4_ingress_tcp_mport_prefix(self):
prefix = FAKE_PREFIX['IPv4']
rule = {'ethertype': 'IPv4',
'direction': 'ingress',
'protocol': 'tcp',
'port_range_min': 10,
'port_range_max': 100,
'source_ip_prefix': prefix}
ingress = call.add_rule(
'ifake_dev',
'-j RETURN -p tcp -m multiport '
'--dports 10:100 -s %s' % prefix)
egress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv4_ingress_udp(self):
rule = {'ethertype': 'IPv4',
'direction': 'ingress',
'protocol': 'udp'}
ingress = call.add_rule('ifake_dev', '-j RETURN -p udp')
egress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv4_ingress_udp_prefix(self):
prefix = FAKE_PREFIX['IPv4']
rule = {'ethertype': 'IPv4',
'direction': 'ingress',
'protocol': 'udp',
'source_ip_prefix': prefix}
ingress = call.add_rule('ifake_dev', '-j RETURN -p udp -s %s' % prefix)
egress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv4_ingress_udp_port(self):
rule = {'ethertype': 'IPv4',
'direction': 'ingress',
'protocol': 'udp',
'port_range_min': 10,
'port_range_max': 10}
ingress = call.add_rule('ifake_dev', '-j RETURN -p udp --dport 10')
egress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv4_ingress_udp_mport(self):
rule = {'ethertype': 'IPv4',
'direction': 'ingress',
'protocol': 'udp',
'port_range_min': 10,
'port_range_max': 100}
ingress = call.add_rule(
'ifake_dev',
'-j RETURN -p udp -m multiport --dports 10:100')
egress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv4_ingress_udp_mport_prefix(self):
prefix = FAKE_PREFIX['IPv4']
rule = {'ethertype': 'IPv4',
'direction': 'ingress',
'protocol': 'udp',
'port_range_min': 10,
'port_range_max': 100,
'source_ip_prefix': prefix}
ingress = call.add_rule(
'ifake_dev',
'-j RETURN -p udp -m multiport '
'--dports 10:100 -s %s' % prefix)
egress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv4_egress(self):
rule = {'ethertype': 'IPv4',
'direction': 'egress'}
egress = call.add_rule('ofake_dev', '-j RETURN')
ingress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv4_egress_prefix(self):
prefix = FAKE_PREFIX['IPv4']
rule = {'ethertype': 'IPv4',
'direction': 'egress',
'source_ip_prefix': prefix}
egress = call.add_rule('ofake_dev', '-j RETURN -s %s' % prefix)
ingress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv4_egress_tcp(self):
rule = {'ethertype': 'IPv4',
'direction': 'egress',
'protocol': 'tcp'}
egress = call.add_rule('ofake_dev', '-j RETURN -p tcp')
ingress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv4_egress_tcp_prefix(self):
prefix = FAKE_PREFIX['IPv4']
rule = {'ethertype': 'IPv4',
'direction': 'egress',
'protocol': 'tcp',
'source_ip_prefix': prefix}
egress = call.add_rule('ofake_dev', '-j RETURN -p tcp -s %s' % prefix)
ingress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv4_egress_icmp(self):
rule = {'ethertype': 'IPv4',
'direction': 'egress',
'protocol': 'icmp'}
egress = call.add_rule('ofake_dev', '-j RETURN -p icmp')
ingress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv4_egress_icmp_prefix(self):
prefix = FAKE_PREFIX['IPv4']
rule = {'ethertype': 'IPv4',
'direction': 'egress',
'protocol': 'icmp',
'source_ip_prefix': prefix}
egress = call.add_rule(
'ofake_dev', '-j RETURN -p icmp -s %s' % prefix)
ingress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv4_egress_tcp_port(self):
rule = {'ethertype': 'IPv4',
'direction': 'egress',
'protocol': 'tcp',
'port_range_min': 10,
'port_range_max': 10}
egress = call.add_rule('ofake_dev', '-j RETURN -p tcp --dport 10')
ingress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv4_egress_tcp_mport(self):
rule = {'ethertype': 'IPv4',
'direction': 'egress',
'protocol': 'tcp',
'port_range_min': 10,
'port_range_max': 100}
egress = call.add_rule(
'ofake_dev',
'-j RETURN -p tcp -m multiport --dports 10:100')
ingress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv4_egress_tcp_mport_prefix(self):
prefix = FAKE_PREFIX['IPv4']
rule = {'ethertype': 'IPv4',
'direction': 'egress',
'protocol': 'tcp',
'port_range_min': 10,
'port_range_max': 100,
'source_ip_prefix': prefix}
egress = call.add_rule(
'ofake_dev',
'-j RETURN -p tcp -m multiport '
'--dports 10:100 -s %s' % prefix)
ingress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv4_egress_udp(self):
rule = {'ethertype': 'IPv4',
'direction': 'egress',
'protocol': 'udp'}
egress = call.add_rule('ofake_dev', '-j RETURN -p udp')
ingress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv4_egress_udp_prefix(self):
prefix = FAKE_PREFIX['IPv4']
rule = {'ethertype': 'IPv4',
'direction': 'egress',
'protocol': 'udp',
'source_ip_prefix': prefix}
egress = call.add_rule('ofake_dev', '-j RETURN -p udp -s %s' % prefix)
ingress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv4_egress_udp_port(self):
rule = {'ethertype': 'IPv4',
'direction': 'egress',
'protocol': 'udp',
'port_range_min': 10,
'port_range_max': 10}
egress = call.add_rule('ofake_dev', '-j RETURN -p udp --dport 10')
ingress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv4_egress_udp_mport(self):
rule = {'ethertype': 'IPv4',
'direction': 'egress',
'protocol': 'udp',
'port_range_min': 10,
'port_range_max': 100}
egress = call.add_rule(
'ofake_dev',
'-j RETURN -p udp -m multiport --dports 10:100')
ingress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv4_egress_udp_mport_prefix(self):
prefix = FAKE_PREFIX['IPv4']
rule = {'ethertype': 'IPv4',
'direction': 'egress',
'protocol': 'udp',
'port_range_min': 10,
'port_range_max': 100,
'source_ip_prefix': prefix}
egress = call.add_rule(
'ofake_dev',
'-j RETURN -p udp -m multiport '
'--dports 10:100 -s %s' % prefix)
ingress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv6_ingress(self):
rule = {'ethertype': 'IPv6',
'direction': 'ingress'}
ingress = call.add_rule('ifake_dev', '-j RETURN')
egress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv6_ingress_prefix(self):
prefix = FAKE_PREFIX['IPv6']
rule = {'ethertype': 'IPv6',
'direction': 'ingress',
'source_ip_prefix': prefix}
ingress = call.add_rule('ifake_dev', '-j RETURN -s %s' % prefix)
egress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv6_ingress_tcp(self):
rule = {'ethertype': 'IPv6',
'direction': 'ingress',
'protocol': 'tcp'}
ingress = call.add_rule('ifake_dev', '-j RETURN -p tcp')
egress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv6_ingress_tcp_prefix(self):
prefix = FAKE_PREFIX['IPv6']
rule = {'ethertype': 'IPv6',
'direction': 'ingress',
'protocol': 'tcp',
'source_ip_prefix': prefix}
ingress = call.add_rule('ifake_dev', '-j RETURN -p tcp -s %s' % prefix)
egress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv6_ingress_tcp_port(self):
rule = {'ethertype': 'IPv6',
'direction': 'ingress',
'protocol': 'tcp',
'port_range_min': 10,
'port_range_max': 10}
ingress = call.add_rule('ifake_dev', '-j RETURN -p tcp --dport 10')
egress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv6_ingress_icmp(self):
rule = {'ethertype': 'IPv6',
'direction': 'ingress',
'protocol': 'icmp'}
ingress = call.add_rule('ifake_dev', '-j RETURN -p icmpv6')
egress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv6_ingress_icmp_prefix(self):
prefix = FAKE_PREFIX['IPv6']
rule = {'ethertype': 'IPv6',
'direction': 'ingress',
'protocol': 'icmp',
'source_ip_prefix': prefix}
ingress = call.add_rule(
'ifake_dev', '-j RETURN -p icmpv6 -s %s' % prefix)
egress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv6_ingress_tcp_mport(self):
rule = {'ethertype': 'IPv6',
'direction': 'ingress',
'protocol': 'tcp',
'port_range_min': 10,
'port_range_max': 100}
ingress = call.add_rule(
'ifake_dev',
'-j RETURN -p tcp -m multiport --dports 10:100')
egress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv6_ingress_tcp_mport_prefix(self):
prefix = FAKE_PREFIX['IPv6']
rule = {'ethertype': 'IPv6',
'direction': 'ingress',
'protocol': 'tcp',
'port_range_min': 10,
'port_range_max': 100,
'source_ip_prefix': prefix}
ingress = call.add_rule(
'ifake_dev',
'-j RETURN -p tcp -m multiport '
'--dports 10:100 -s %s' % prefix)
egress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv6_ingress_udp(self):
rule = {'ethertype': 'IPv6',
'direction': 'ingress',
'protocol': 'udp'}
ingress = call.add_rule('ifake_dev', '-j RETURN -p udp')
egress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv6_ingress_udp_prefix(self):
prefix = FAKE_PREFIX['IPv6']
rule = {'ethertype': 'IPv6',
'direction': 'ingress',
'protocol': 'udp',
'source_ip_prefix': prefix}
ingress = call.add_rule('ifake_dev', '-j RETURN -p udp -s %s' % prefix)
egress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv6_ingress_udp_port(self):
rule = {'ethertype': 'IPv6',
'direction': 'ingress',
'protocol': 'udp',
'port_range_min': 10,
'port_range_max': 10}
ingress = call.add_rule('ifake_dev', '-j RETURN -p udp --dport 10')
egress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv6_ingress_udp_mport(self):
rule = {'ethertype': 'IPv6',
'direction': 'ingress',
'protocol': 'udp',
'port_range_min': 10,
'port_range_max': 100}
ingress = call.add_rule(
'ifake_dev',
'-j RETURN -p udp -m multiport --dports 10:100')
egress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv6_ingress_udp_mport_prefix(self):
prefix = FAKE_PREFIX['IPv6']
rule = {'ethertype': 'IPv6',
'direction': 'ingress',
'protocol': 'udp',
'port_range_min': 10,
'port_range_max': 100,
'source_ip_prefix': prefix}
ingress = call.add_rule(
'ifake_dev',
'-j RETURN -p udp -m multiport '
'--dports 10:100 -s %s' % prefix)
egress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv6_egress(self):
rule = {'ethertype': 'IPv6',
'direction': 'egress'}
egress = call.add_rule('ofake_dev', '-j RETURN')
ingress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv6_egress_prefix(self):
prefix = FAKE_PREFIX['IPv6']
rule = {'ethertype': 'IPv6',
'direction': 'egress',
'source_ip_prefix': prefix}
egress = call.add_rule('ofake_dev', '-j RETURN -s %s' % prefix)
ingress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv6_egress_tcp(self):
rule = {'ethertype': 'IPv6',
'direction': 'egress',
'protocol': 'tcp'}
egress = call.add_rule('ofake_dev', '-j RETURN -p tcp')
ingress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv6_egress_tcp_prefix(self):
prefix = FAKE_PREFIX['IPv6']
rule = {'ethertype': 'IPv6',
'direction': 'egress',
'protocol': 'tcp',
'source_ip_prefix': prefix}
egress = call.add_rule('ofake_dev', '-j RETURN -p tcp -s %s' % prefix)
ingress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv6_egress_icmp(self):
rule = {'ethertype': 'IPv6',
'direction': 'egress',
'protocol': 'icmp'}
egress = call.add_rule('ofake_dev', '-j RETURN -p icmpv6')
ingress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv6_egress_icmp_prefix(self):
prefix = FAKE_PREFIX['IPv6']
rule = {'ethertype': 'IPv6',
'direction': 'egress',
'protocol': 'icmp',
'source_ip_prefix': prefix}
egress = call.add_rule(
'ofake_dev', '-j RETURN -p icmpv6 -s %s' % prefix)
ingress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv6_egress_tcp_port(self):
rule = {'ethertype': 'IPv6',
'direction': 'egress',
'protocol': 'tcp',
'port_range_min': 10,
'port_range_max': 10}
egress = call.add_rule('ofake_dev', '-j RETURN -p tcp --dport 10')
ingress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv6_egress_tcp_mport(self):
rule = {'ethertype': 'IPv6',
'direction': 'egress',
'protocol': 'tcp',
'port_range_min': 10,
'port_range_max': 100}
egress = call.add_rule(
'ofake_dev',
'-j RETURN -p tcp -m multiport --dports 10:100')
ingress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv6_egress_tcp_mport_prefix(self):
prefix = FAKE_PREFIX['IPv6']
rule = {'ethertype': 'IPv6',
'direction': 'egress',
'protocol': 'tcp',
'port_range_min': 10,
'port_range_max': 100,
'source_ip_prefix': prefix}
egress = call.add_rule(
'ofake_dev',
'-j RETURN -p tcp -m multiport '
'--dports 10:100 -s %s' % prefix)
ingress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv6_egress_udp(self):
rule = {'ethertype': 'IPv6',
'direction': 'egress',
'protocol': 'udp'}
egress = call.add_rule('ofake_dev', '-j RETURN -p udp')
ingress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv6_egress_udp_prefix(self):
prefix = FAKE_PREFIX['IPv6']
rule = {'ethertype': 'IPv6',
'direction': 'egress',
'protocol': 'udp',
'source_ip_prefix': prefix}
egress = call.add_rule('ofake_dev', '-j RETURN -p udp -s %s' % prefix)
ingress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv6_egress_udp_port(self):
rule = {'ethertype': 'IPv6',
'direction': 'egress',
'protocol': 'udp',
'port_range_min': 10,
'port_range_max': 10}
egress = call.add_rule('ofake_dev', '-j RETURN -p udp --dport 10')
ingress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv6_egress_udp_mport(self):
rule = {'ethertype': 'IPv6',
'direction': 'egress',
'protocol': 'udp',
'port_range_min': 10,
'port_range_max': 100}
egress = call.add_rule(
'ofake_dev',
'-j RETURN -p udp -m multiport --dports 10:100')
ingress = None
self._test_prepare_port_filter(rule, ingress, egress)
def test_filter_ipv6_egress_udp_mport_prefix(self):
prefix = FAKE_PREFIX['IPv6']
rule = {'ethertype': 'IPv6',
'direction': 'egress',
'protocol': 'udp',
'port_range_min': 10,
'port_range_max': 100,
'source_ip_prefix': prefix}
egress = call.add_rule(
'ofake_dev',
'-j RETURN -p udp -m multiport '
'--dports 10:100 -s %s' % prefix)
ingress = None
self._test_prepare_port_filter(rule, ingress, egress)
def _test_prepare_port_filter(self,
rule,
ingress_expected_call=None,
egress_expected_call=None):
port = self._fake_port()
ethertype = rule['ethertype']
prefix = FAKE_IP[ethertype]
filter_inst = self.v4filter_inst
dhcp_rule = call.add_rule(
'ofake_dev',
'-p udp --sport 68 --dport 67 -j RETURN')
if ethertype == 'IPv6':
filter_inst = self.v6filter_inst
dhcp_rule = call.add_rule('ofake_dev', '-p icmpv6 -j RETURN')
sg = [rule]
port['security_group_rules'] = sg
self.firewall.prepare_port_filter(port)
calls = [call.add_chain('sg-fallback'),
call.add_rule('sg-fallback', '-j DROP'),
call.ensure_remove_chain('sg-chain'),
call.add_chain('sg-chain'),
call.add_chain('ifake_dev'),
call.add_rule('FORWARD',
'-m physdev --physdev-is-bridged '
'--physdev-out tapfake_dev '
'-j $sg-chain'),
call.add_rule('sg-chain',
'-m physdev --physdev-is-bridged '
'--physdev-out tapfake_dev '
'-j $ifake_dev'),
call.add_rule(
'ifake_dev', '-m state --state INVALID -j DROP'),
call.add_rule(
'ifake_dev',
'-m state --state ESTABLISHED,RELATED -j RETURN')]
if ingress_expected_call:
calls.append(ingress_expected_call)
calls += [call.add_rule('ifake_dev', '-j $sg-fallback'),
call.add_chain('ofake_dev'),
call.add_rule('FORWARD',
'-m physdev --physdev-is-bridged '
'--physdev-in tapfake_dev '
'-j $sg-chain'),
call.add_rule('sg-chain',
'-m physdev --physdev-is-bridged '
'--physdev-in tapfake_dev '
'-j $ofake_dev'),
call.add_rule('INPUT',
'-m physdev --physdev-is-bridged '
'--physdev-in tapfake_dev '
'-j $ofake_dev'),
call.add_rule(
'ofake_dev',
'-m mac ! --mac-source ff:ff:ff:ff -j DROP'),
dhcp_rule,
call.add_rule('ofake_dev', '! -s %s -j DROP' % prefix)]
if ethertype == 'IPv4':
calls.append(call.add_rule(
'ofake_dev',
'-p udp --sport 67 --dport 68 -j DROP'))
calls += [call.add_rule(
'ofake_dev', '-m state --state INVALID -j DROP'),
call.add_rule(
'ofake_dev',
'-m state --state ESTABLISHED,RELATED -j RETURN')]
if egress_expected_call:
calls.append(egress_expected_call)
calls += [call.add_rule('ofake_dev', '-j $sg-fallback'),
call.add_rule('sg-chain', '-j ACCEPT')]
filter_inst.assert_has_calls(calls)
def test_update_delete_port_filter(self):
port = self._fake_port()
port['security_group_rules'] = [{'ethertype': 'IPv4',
'direction': 'ingress'}]
self.firewall.prepare_port_filter(port)
port['security_group_rules'] = [{'ethertype': 'IPv4',
'direction': 'egress'}]
self.firewall.update_port_filter(port)
self.firewall.update_port_filter({'device': 'no-exist-device'})
self.firewall.remove_port_filter(port)
self.firewall.remove_port_filter({'device': 'no-exist-device'})
calls = [call.add_chain('sg-fallback'),
call.add_rule('sg-fallback', '-j DROP'),
call.ensure_remove_chain('sg-chain'),
call.add_chain('sg-chain'),
call.add_chain('ifake_dev'),
call.add_rule(
'FORWARD',
'-m physdev --physdev-is-bridged '
'--physdev-out tapfake_dev -j $sg-chain'),
call.add_rule(
'sg-chain',
'-m physdev --physdev-is-bridged '
'--physdev-out tapfake_dev -j $ifake_dev'),
call.add_rule(
'ifake_dev', '-m state --state INVALID -j DROP'),
call.add_rule(
'ifake_dev',
'-m state --state ESTABLISHED,RELATED -j RETURN'),
call.add_rule('ifake_dev', '-j RETURN'),
call.add_rule('ifake_dev', '-j $sg-fallback'),
call.add_chain('ofake_dev'),
call.add_rule(
'FORWARD',
'-m physdev --physdev-is-bridged '
'--physdev-in tapfake_dev -j $sg-chain'),
call.add_rule(
'sg-chain',
'-m physdev --physdev-is-bridged '
'--physdev-in tapfake_dev -j $ofake_dev'),
call.add_rule(
'INPUT',
'-m physdev --physdev-is-bridged '
'--physdev-in tapfake_dev -j $ofake_dev'),
call.add_rule(
'ofake_dev',
'-m mac ! --mac-source ff:ff:ff:ff -j DROP'),
call.add_rule(
'ofake_dev',
'-p udp --sport 68 --dport 67 -j RETURN'),
call.add_rule(
'ofake_dev',
'! -s 10.0.0.1 -j DROP'),
call.add_rule(
'ofake_dev',
'-p udp --sport 67 --dport 68 -j DROP'),
call.add_rule(
'ofake_dev', '-m state --state INVALID -j DROP'),
call.add_rule(
'ofake_dev',
'-m state --state ESTABLISHED,RELATED -j RETURN'),
call.add_rule('ofake_dev', '-j $sg-fallback'),
call.add_rule('sg-chain', '-j ACCEPT'),
call.ensure_remove_chain('ifake_dev'),
call.ensure_remove_chain('ofake_dev'),
call.ensure_remove_chain('sg-chain'),
call.add_chain('sg-chain'),
call.add_chain('ifake_dev'),
call.add_rule(
'FORWARD',
'-m physdev --physdev-is-bridged '
'--physdev-out tapfake_dev -j $sg-chain'),
call.add_rule(
'sg-chain',
'-m physdev --physdev-is-bridged '
'--physdev-out tapfake_dev -j $ifake_dev'),
call.add_rule(
'ifake_dev',
'-m state --state INVALID -j DROP'),
call.add_rule(
'ifake_dev',
'-m state --state ESTABLISHED,RELATED -j RETURN'),
call.add_rule('ifake_dev', '-j $sg-fallback'),
call.add_chain('ofake_dev'),
call.add_rule(
'FORWARD',
'-m physdev --physdev-is-bridged '
'--physdev-in tapfake_dev -j $sg-chain'),
call.add_rule(
'sg-chain',
'-m physdev --physdev-is-bridged '
'--physdev-in tapfake_dev -j $ofake_dev'),
call.add_rule(
'INPUT',
'-m physdev --physdev-is-bridged '
'--physdev-in tapfake_dev -j $ofake_dev'),
call.add_rule(
'ofake_dev',
'-m mac ! --mac-source ff:ff:ff:ff -j DROP'),
call.add_rule(
'ofake_dev', '-p udp --sport 68 --dport 67 -j RETURN'),
call.add_rule(
'ofake_dev', '! -s 10.0.0.1 -j DROP'),
call.add_rule(
'ofake_dev', '-p udp --sport 67 --dport 68 -j DROP'),
call.add_rule(
'ofake_dev', '-m state --state INVALID -j DROP'),
call.add_rule(
'ofake_dev',
'-m state --state ESTABLISHED,RELATED -j RETURN'),
call.add_rule('ofake_dev', '-j RETURN'),
call.add_rule('ofake_dev', '-j $sg-fallback'),
call.add_rule('sg-chain', '-j ACCEPT'),
call.ensure_remove_chain('ifake_dev'),
call.ensure_remove_chain('ofake_dev'),
call.ensure_remove_chain('sg-chain'),
call.add_chain('sg-chain')]
self.v4filter_inst.assert_has_calls(calls)
def test_remove_unknown_port(self):
port = self._fake_port()
self.firewall.remove_port_filter(port)
# checking no exception occures
self.v4filter_inst.assert_has_calls([])
def test_defer_apply(self):
with self.firewall.defer_apply():
pass
self.iptables_inst.assert_has_calls([call.defer_apply_on(),
call.defer_apply_off()])
def test_filter_defer_with_exception(self):
try:
with self.firewall.defer_apply():
raise Exception("same exception")
except:
pass
self.iptables_inst.assert_has_calls([call.defer_apply_on(),
call.defer_apply_off()])