openstack
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neutron
Code Issues Proposed changes

Merge "[Security] fix allowed-address-pair 0.0.0.0/0 issue" into stable/rocky

Browse Source
changes/58/746858/1
Zuul 3 years ago committed by Gerrit Code Review
parent 94fa5f9197 64a0916d2b
commit 9aa973bb5e
12 changed files with 94 additions and 42 deletions
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2
neutron/agent/linux/ipset_manager.py
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@ -44,7 +44,7 @@ class IpsetManager(object):
/1's to represent the /0.
"""
sanitized_addresses = []
for ip in addresses:
for ip, _mac in addresses:
ip = netaddr.IPNetwork(ip)
if ip.prefixlen == 0:
if ip.version == 4:

2
neutron/agent/linux/iptables_firewall.py
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@ -542,7 +542,7 @@ class IptablesFirewallDriver(firewall.FirewallDriver):
ethertype = rule['ethertype']
port_ips = port.get('fixed_ips', [])
for ip in self.sg_members[remote_group_id][ethertype]:
for ip, _mac in self.sg_members[remote_group_id][ethertype]:
if ip not in port_ips:
ip_rule = rule.copy()
direction_ip_prefix = firewall.DIRECTION_IP_PREFIX[

6
neutron/agent/linux/openvswitch_firewall/rules.py
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@ -296,6 +296,9 @@ def create_flows_for_ip_address(ip_address, direction, ethertype,
"""Create flows from a rule and an ip_address derived from
remote_group_id
"""
ip_address, mac_address = ip_address
net = netaddr.IPNetwork(str(ip_address))
any_src_ip = net.prefixlen == 0
# Group conj_ids per priority.
conj_id_lists = [[] for i in range(4)]
@ -320,6 +323,9 @@ def create_flows_for_ip_address(ip_address, direction, ethertype,
flow_template[FLOW_FIELD_FOR_IPVER_AND_DIRECTION[(
ip_ver, direction)]] = ip_prefix
if any_src_ip:
flow_template['dl_src'] = mac_address
result = []
for offset, conj_id_list in enumerate(conj_id_lists):
if not conj_id_list:

6
neutron/api/rpc/handlers/securitygroups_rpc.py
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@ -326,8 +326,10 @@ class SecurityGroupServerAPIShim(sg_rpc_base.SecurityGroupInfoAPIMixin):
filters = {'security_group_ids': tuple(remote_group_ids)}
for p in self.rcache.get_resources('Port', filters):
port_ips = [str(addr.ip_address)
for addr in p.fixed_ips + p.allowed_address_pairs]
allowed_ips = [(str(addr.ip_address), str(addr.mac_address))
for addr in p.allowed_address_pairs]
port_ips = [(str(addr.ip_address), str(p.mac_address))
for addr in p.fixed_ips] + allowed_ips
for sg_id in p.security_group_ids:
if sg_id in ips_by_group:
ips_by_group[sg_id].update(set(port_ips))

23
neutron/db/securitygroups_rpc_base.py
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@ -224,7 +224,7 @@ class SecurityGroupInfoAPIMixin(object):
context, sg_info['sg_member_ips'].keys())
for sg_id, member_ips in ips.items():
for ip in member_ips:
ethertype = 'IPv%d' % netaddr.IPNetwork(ip).version
ethertype = 'IPv%d' % netaddr.IPNetwork(ip[0]).version
if ethertype in sg_info['sg_member_ips'][sg_id]:
sg_info['sg_member_ips'][sg_id][ethertype].add(ip)
return sg_info
@ -253,7 +253,8 @@ class SecurityGroupInfoAPIMixin(object):
port['security_group_source_groups'].append(remote_group_id)
base_rule = rule
for ip in ips[remote_group_id]:
ip_list = [ip[0] for ip in ips[remote_group_id]]
for ip in ip_list:
if ip in port.get('fixed_ips', []):
continue
ip_rule = base_rule.copy()
@ -396,9 +397,11 @@ class SecurityGroupServerRpcMixin(SecurityGroupInfoAPIMixin,
# Join the security group binding table directly to the IP allocation
# table instead of via the Port table skip an unnecessary intermediary
query = context.session.query(sg_binding_sgid,
models_v2.IPAllocation.ip_address,
aap_models.AllowedAddressPair.ip_address)
query = context.session.query(
sg_binding_sgid,
models_v2.IPAllocation.ip_address,
aap_models.AllowedAddressPair.ip_address,
aap_models.AllowedAddressPair.mac_address)
query = query.join(models_v2.IPAllocation,
ip_port == sg_binding_port)
# Outerjoin because address pairs may be null and we still want the
@ -410,8 +413,12 @@ class SecurityGroupServerRpcMixin(SecurityGroupInfoAPIMixin,
# Each allowed address pair IP record for a port beyond the 1st
# will have a duplicate regular IP in the query response since
# the relationship is 1-to-many. Dedup with a set
for security_group_id, ip_address, allowed_addr_ip in query:
ips_by_group[security_group_id].add(ip_address)
for security_group_id, ip_address, allowed_addr_ip, mac in query:
# Since port mac will not be used further, but in order to align
# the data structure we directly set None to it to avoid bother
# the ports table.
ips_by_group[security_group_id].add((ip_address, None))
if allowed_addr_ip:
ips_by_group[security_group_id].add(allowed_addr_ip)
ips_by_group[security_group_id].add(
(allowed_addr_ip, mac))
return ips_by_group

3
neutron/tests/functional/agent/test_firewall.py
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@ -584,7 +584,8 @@ class FirewallTestCase(BaseFirewallTestCase):
[remote_sg_id],
self.net_id)
vm_sg_members = {'IPv4': [self.tester.peer_ip_address]}
vm_sg_members = {'IPv4': [
(self.tester.peer_ip_address, self.tester.peer_mac_address)]}
peer_sg_rules = [{'ethertype': 'IPv4', 'direction': 'egress',
'protocol': 'icmp'}]
self.firewall.update_security_group_rules(remote_sg_id, peer_sg_rules)

7
neutron/tests/unit/agent/linux/openvswitch_firewall/test_firewall.py
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@ -323,9 +323,10 @@ class TestConjIPFlowManager(base.BaseTestCase):
def test_update_flows_for_vlan_no_ports_but_members(self):
remote_group = self.driver.sg_port_map.get_sg.return_value
remote_group.ports = set()
remote_group.members = {constants.IPv4: ['10.22.3.4']}
remote_group.members = {constants.IPv4: [
('10.22.3.4', 'fa:16:3e:aa:bb:cc'), ]}
remote_group.get_ethertype_filtered_addresses.return_value = [
'10.22.3.4']
('10.22.3.4', 'fa:16:3e:aa:bb:cc'), ]
with mock.patch.object(self.manager.conj_id_map,
'get_conj_id') as get_conj_id_mock:
get_conj_id_mock.return_value = self.conj_id
@ -338,7 +339,7 @@ class TestConjIPFlowManager(base.BaseTestCase):
def test_update_flows_for_vlan(self):
remote_group = self.driver.sg_port_map.get_sg.return_value
remote_group.get_ethertype_filtered_addresses.return_value = [
'10.22.3.4']
('10.22.3.4', 'fa:16:3e:aa:bb:cc'), ]
with mock.patch.object(self.manager.conj_id_map,
'get_conj_id') as get_conj_id_mock:
get_conj_id_mock.return_value = self.conj_id

3
neutron/tests/unit/agent/linux/openvswitch_firewall/test_rules.py
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@ -350,7 +350,8 @@ class TestCreateFlowsForIpAddress(base.BaseTestCase):
conj_ids = [12, 20]
flows = rules.create_flows_for_ip_address(
'192.168.0.1', constants.EGRESS_DIRECTION, constants.IPv4,
('192.168.0.1', 'fa:16:3e:aa:bb:cc'),
constants.EGRESS_DIRECTION, constants.IPv4,
0x123, conj_ids)
self.assertEqual(2, len(flows))

18
neutron/tests/unit/agent/linux/test_ipset_manager.py
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@ -20,8 +20,12 @@ TEST_SET_ID = 'fake_sgid'
ETHERTYPE = 'IPv4'
TEST_SET_NAME = ipset_manager.IpsetManager.get_name(TEST_SET_ID, ETHERTYPE)
TEST_SET_NAME_NEW = TEST_SET_NAME + ipset_manager.SWAP_SUFFIX
FAKE_IPS = ['10.0.0.1', '10.0.0.2', '10.0.0.3', '10.0.0.4',
'10.0.0.5', '10.0.0.6']
FAKE_IPS = [('10.0.0.1', 'fa:16:3e:aa:bb:c1'),
('10.0.0.2', 'fa:16:3e:aa:bb:c2'),
('10.0.0.3', 'fa:16:3e:aa:bb:c3'),
('10.0.0.4', 'fa:16:3e:aa:bb:c4'),
('10.0.0.5', 'fa:16:3e:aa:bb:c5'),
('10.0.0.6', 'fa:16:3e:aa:bb:c6')]
class BaseIpsetManagerTest(base.BaseTestCase):
@ -149,13 +153,15 @@ class IpsetManagerTestCase(BaseIpsetManagerTest):
self.verify_mock_calls()
def test_set_members_adding_all_zero_ipv4(self):
self.expect_set(['0.0.0.0/0'])
self.ipset.set_members(TEST_SET_ID, ETHERTYPE, ['0.0.0.0/0'])
self.expect_set([('0.0.0.0/0', 'fa:16:3e:aa:bb:c1'), ])
self.ipset.set_members(TEST_SET_ID, ETHERTYPE,
[('0.0.0.0/0', 'fa:16:3e:aa:bb:c1'), ])
self.verify_mock_calls()
def test_set_members_adding_all_zero_ipv6(self):
self.expect_set(['::/0'])
self.ipset.set_members(TEST_SET_ID, ETHERTYPE, ['::/0'])
self.expect_set([('::/0', 'fa:16:3e:aa:bb:c1'), ])
self.ipset.set_members(TEST_SET_ID, ETHERTYPE,
[('::/0', 'fa:16:3e:aa:bb:c1'), ])
self.verify_mock_calls()
def test_destroy(self):

22
neutron/tests/unit/agent/linux/test_iptables_firewall.py
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@ -1492,12 +1492,16 @@ class IptablesFirewallTestCase(BaseIptablesFirewallTestCase):
if ethertype == "IPv4":
ethertype = "ipv4"
members_add = {'IPv4': ['10.0.0.2', '10.0.0.3']}
members_after_delete = {'IPv4': ['10.0.0.3']}
members_add = {'IPv4': [('10.0.0.2', 'fa:16:3e:aa:bb:c1'),
('10.0.0.3', 'fa:16:3e:aa:bb:c2')]}
members_after_delete = {
'IPv4': [('10.0.0.3', 'fa:16:3e:aa:bb:c2'), ]}
else:
ethertype = "ipv6"
members_add = {'IPv6': ['fe80::2', 'fe80::3']}
members_after_delete = {'IPv6': ['fe80::3']}
members_add = {'IPv6': [('fe80::2', 'fa:16:3e:aa:bb:c3'),
('fe80::3', 'fa:16:3e:aa:bb:c4')]}
members_after_delete = {
'IPv6': [('fe80::3', 'fa:16:3e:aa:bb:c4'), ]}
with mock.patch.dict(self.firewall.ipconntrack._device_zone_map,
{port['network_id']: ct_zone}):
@ -2269,10 +2273,12 @@ class IptablesFirewallEnhancedIpsetTestCase(BaseIptablesFirewallTestCase):
self.firewall.ipset.assert_has_calls(calls, True)
def test_sg_rule_expansion_with_remote_ips(self):
other_ips = ['10.0.0.2', '10.0.0.3', '10.0.0.4']
other_ips = [('10.0.0.2', 'fa:16:3e:aa:bb:c1'),
('10.0.0.3', 'fa:16:3e:aa:bb:c2'),
('10.0.0.4', 'fa:16:3e:aa:bb:c3')]
self.firewall.sg_members = {'fake_sgid': {
'IPv4': [FAKE_IP['IPv4']] + other_ips,
'IPv6': [FAKE_IP['IPv6']]}}
'IPv4': [(FAKE_IP['IPv4'], 'fa:16:3e:aa:bb:c4'), ] + other_ips,
'IPv6': [(FAKE_IP['IPv6'], 'fa:16:3e:aa:bb:c5'), ]}}
port = self._fake_port()
rule = self._fake_sg_rule_for_ethertype(_IPv4, FAKE_SGID)
@ -2281,7 +2287,7 @@ class IptablesFirewallEnhancedIpsetTestCase(BaseIptablesFirewallTestCase):
self.assertEqual(list(rules),
[dict(list(rule.items()) +
[('source_ip_prefix', '%s/32' % ip)])
for ip in other_ips])
for ip, _mac in other_ips])
def test_build_ipv4v6_mac_ip_list(self):
mac_oth = 'ffff-ff0f-ffff'

22
neutron/tests/unit/agent/test_securitygroups_rpc.py
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@ -317,8 +317,10 @@ class SGServerRpcCallBackTestCase(test_sg.SecurityGroupDBTestCase):
sg_member_ips = self.rpc.security_group_info_for_devices(
ctx, devices=devices)['sg_member_ips']
expected_member_ips = [
'10.0.1.0/24', '11.0.0.1',
port['port']['fixed_ips'][0]['ip_address']]
('10.0.1.0/24', '00:00:00:00:00:01'),
('11.0.0.1', '00:00:00:00:00:01'),
(port['port']['fixed_ips'][0]['ip_address'],
None)]
self.assertEqual(sorted(expected_member_ips),
sorted(sg_member_ips[sg_id]['IPv4']))
self._delete('ports', port_id)
@ -522,7 +524,7 @@ class SGServerRpcCallBackTestCase(test_sg.SecurityGroupDBTestCase):
'remote_group_id': sg2_id}
]},
'sg_member_ips': {sg2_id: {
'IPv4': set([port_ip2]),
'IPv4': set([(port_ip2, None), ]),
'IPv6': set(),
}}
}
@ -2947,7 +2949,9 @@ class TestSecurityGroupAgentEnhancedRpcWithIptables(
self.devices_info1 = {'security_groups': {'security_group1': rule1},
'sg_member_ips': {
'security_group1': {
'IPv4': ['10.0.0.3/32'], 'IPv6': []}},
'IPv4': [('10.0.0.3/32',
'fa:16:3e:aa:bb:c1'), ],
'IPv6': []}},
'devices': devices_info1}
devices_info2 = collections.OrderedDict([
('tap_port1', self._device('tap_port1',
@ -2962,13 +2966,19 @@ class TestSecurityGroupAgentEnhancedRpcWithIptables(
self.devices_info2 = {'security_groups': {'security_group1': rule1},
'sg_member_ips': {
'security_group1': {
'IPv4': ['10.0.0.3/32', '10.0.0.4/32'],
'IPv4': [('10.0.0.3/32',
'fa:16:3e:aa:bb:c1'),
('10.0.0.4/32',
'fa:16:3e:aa:bb:c2')],
'IPv6': []}},
'devices': devices_info2}
self.devices_info3 = {'security_groups': {'security_group1': rule2},
'sg_member_ips': {
'security_group1': {
'IPv4': ['10.0.0.3/32', '10.0.0.4/32'],
'IPv4': [('10.0.0.3/32',
'fa:16:3e:aa:bb:c1'),
('10.0.0.4/32',
'fa:16:3e:aa:bb:c2')],
'IPv6': []}},
'devices': devices_info2}

22
neutron/tests/unit/api/rpc/handlers/test_securitygroups_rpc.py
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@ -13,6 +13,7 @@
# under the License.
import mock
import netaddr
from neutron_lib import context
from oslo_utils import uuidutils
@ -126,19 +127,30 @@ class SecurityGroupServerAPIShimTestCase(base.BaseTestCase):
def test_security_group_info_for_devices(self):
s1 = self._make_security_group_ovo()
p1 = self._make_port_ovo(ip='1.1.1.1', security_group_ids={s1.id})
mac_1 = 'fa:16:3e:aa:bb:c1'
p1 = self._make_port_ovo(ip='1.1.1.1',
mac_address=netaddr.EUI(mac_1),
security_group_ids={s1.id})
mac_2 = 'fa:16:3e:aa:bb:c2'
p2 = self._make_port_ovo(
ip='2.2.2.2',
mac_address=netaddr.EUI(mac_2),
security_group_ids={s1.id},
security=psec.PortSecurity(port_security_enabled=False))
p3 = self._make_port_ovo(ip='3.3.3.3', security_group_ids={s1.id},
mac_3 = 'fa:16:3e:aa:bb:c3'
p3 = self._make_port_ovo(ip='3.3.3.3',
mac_address=netaddr.EUI(mac_3),
security_group_ids={s1.id},
device_owner='network:dhcp')
ids = [p1.id, p2.id, p3.id]
info = self.shim.security_group_info_for_devices(self.ctx, ids)
self.assertIn('1.1.1.1', info['sg_member_ips'][s1.id]['IPv4'])
self.assertIn('2.2.2.2', info['sg_member_ips'][s1.id]['IPv4'])
self.assertIn('3.3.3.3', info['sg_member_ips'][s1.id]['IPv4'])
self.assertIn(('1.1.1.1', str(netaddr.EUI(mac_1))),
info['sg_member_ips'][s1.id]['IPv4'])
self.assertIn(('2.2.2.2', str(netaddr.EUI(mac_2))),
info['sg_member_ips'][s1.id]['IPv4'])
self.assertIn(('3.3.3.3', str(netaddr.EUI(mac_3))),
info['sg_member_ips'][s1.id]['IPv4'])
self.assertIn(p1.id, info['devices'].keys())
self.assertIn(p2.id, info['devices'].keys())
# P3 is a trusted port so it doesn't have rules

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