913 lines
36 KiB
Python
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
|
|
import unittest2 as unittest
|
|
|
|
from quantum.agent.linux.iptables_firewall import IptablesFirewallDriver
|
|
from quantum.tests.unit import test_api_v2
|
|
|
|
_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(unittest.TestCase):
|
|
def setUp(self):
|
|
self.utils_exec_p = mock.patch(
|
|
'quantum.agent.linux.utils.execute')
|
|
self.utils_exec = self.utils_exec_p.start()
|
|
self.iptables_cls_p = mock.patch(
|
|
'quantum.agent.linux.iptables_manager.IptablesManager')
|
|
iptables_cls = self.iptables_cls_p.start()
|
|
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.iptables_inst)
|
|
|
|
def tearDown(self):
|
|
self.iptables_cls_p.stop()
|
|
self.utils_exec_p.stop()
|
|
|
|
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()])
|