openstack
/
neutron
Code Issues Proposed changes

Merge "Allow DHCPv6 solicit from VM"

This commit is contained in:
Jenkins 2014-05-12 06:05:25 +00:00 committed by Gerrit Code Review
parent 70214434ca b74c5a0fa1
commit 43561d4e6d
3 changed files with 25 additions and 9 deletions
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8
neutron/agent/linux/iptables_firewall.py
View File

@ -214,6 +214,7 @@ class IptablesFirewallDriver(firewall.FirewallDriver):
#Note(nati) allow dhcp or RA packet
ipv4_rules += ['-p udp -m udp --sport 68 --dport 67 -j RETURN']
ipv6_rules += ['-p icmpv6 -j RETURN']
ipv6_rules += ['-p udp -m udp --sport 546 --dport 547 -j RETURN']
mac_ipv4_pairs = []
mac_ipv6_pairs = []
@ -236,9 +237,10 @@ class IptablesFirewallDriver(firewall.FirewallDriver):
self._setup_spoof_filter_chain(port, self.iptables.ipv6['filter'],
mac_ipv6_pairs, ipv6_rules)
def _drop_dhcp_rule(self):
def _drop_dhcp_rule(self, ipv4_rules, ipv6_rules):
#Note(nati) Drop dhcp packet from VM
return ['-p udp -m udp --sport 67 --dport 68 -j DROP']
ipv4_rules += ['-p udp -m udp --sport 67 --dport 68 -j DROP']
ipv6_rules += ['-p udp -m udp --sport 547 --dport 546 -j DROP']
def _accept_inbound_icmpv6(self):
# Allow multicast listener, neighbor solicitation and
@ -264,7 +266,7 @@ class IptablesFirewallDriver(firewall.FirewallDriver):
self._spoofing_rule(port,
ipv4_iptables_rule,
ipv6_iptables_rule)
ipv4_iptables_rule += self._drop_dhcp_rule()
self._drop_dhcp_rule(ipv4_iptables_rule, ipv6_iptables_rule)
if direction == INGRESS_DIRECTION:
ipv6_iptables_rule += self._accept_inbound_icmpv6()
ipv4_iptables_rule += self._convert_sgr_to_iptables_rules(

20
neutron/tests/unit/test_iptables_firewall.py
View File

@ -801,14 +801,18 @@ class IptablesFirewallTestCase(base.BaseTestCase):
ethertype = rule['ethertype']
prefix = FAKE_IP[ethertype]
filter_inst = self.v4filter_inst
dhcp_rule = mock.call.add_rule(
dhcp_rule = [mock.call.add_rule(
'ofake_dev',
'-p udp -m udp --sport 68 --dport 67 -j RETURN')
'-p udp -m udp --sport 68 --dport 67 -j RETURN')]
if ethertype == 'IPv6':
filter_inst = self.v6filter_inst
dhcp_rule = mock.call.add_rule('ofake_dev', '-p icmpv6 -j RETURN')
dhcp_rule = [mock.call.add_rule('ofake_dev',
'-p icmpv6 -j RETURN'),
mock.call.add_rule('ofake_dev', '-p udp -m udp '
'--sport 546 --dport 547 '
'-j RETURN')]
sg = [rule]
port['security_group_rules'] = sg
self.firewall.prepare_port_filter(port)
@ -860,13 +864,17 @@ class IptablesFirewallTestCase(base.BaseTestCase):
'sfake_dev',
'-m mac --mac-source ff:ff:ff:ff:ff:ff -s %s -j RETURN'
% prefix),
mock.call.add_rule('sfake_dev', '-j DROP'),
dhcp_rule,
mock.call.add_rule('ofake_dev', '-j $sfake_dev')]
mock.call.add_rule('sfake_dev', '-j DROP')]
calls += dhcp_rule
calls.append(mock.call.add_rule('ofake_dev', '-j $sfake_dev'))
if ethertype == 'IPv4':
calls.append(mock.call.add_rule(
'ofake_dev',
'-p udp -m udp --sport 67 --dport 68 -j DROP'))
if ethertype == 'IPv6':
calls.append(mock.call.add_rule(
'ofake_dev',
'-p udp -m udp --sport 547 --dport 546 -j DROP'))
calls += [mock.call.add_rule(
'ofake_dev', '-m state --state INVALID -j DROP'),

6
neutron/tests/unit/test_security_groups_rpc.py
View File

@ -1593,6 +1593,8 @@ IPTABLES_FILTER_V6_1 = """# Generated by iptables_manager
[0:0] -A %(bn)s-INPUT %(physdev_mod)s --physdev-EGRESS tap_port1 \
%(physdev_is_bridged)s -j %(bn)s-o_port1
[0:0] -A %(bn)s-o_port1 -p icmpv6 -j RETURN
[0:0] -A %(bn)s-o_port1 -p udp -m udp --sport 546 --dport 547 -j RETURN
[0:0] -A %(bn)s-o_port1 -p udp -m udp --sport 547 --dport 546 -j DROP
[0:0] -A %(bn)s-o_port1 -m state --state INVALID -j DROP
[0:0] -A %(bn)s-o_port1 -m state --state RELATED,ESTABLISHED -j RETURN
[0:0] -A %(bn)s-o_port1 -j %(bn)s-sg-fallback
@ -1643,6 +1645,8 @@ IPTABLES_FILTER_V6_2 = """# Generated by iptables_manager
[0:0] -A %(bn)s-INPUT %(physdev_mod)s --physdev-EGRESS tap_port1 \
%(physdev_is_bridged)s -j %(bn)s-o_port1
[0:0] -A %(bn)s-o_port1 -p icmpv6 -j RETURN
[0:0] -A %(bn)s-o_port1 -p udp -m udp --sport 546 --dport 547 -j RETURN
[0:0] -A %(bn)s-o_port1 -p udp -m udp --sport 547 --dport 546 -j DROP
[0:0] -A %(bn)s-o_port1 -m state --state INVALID -j DROP
[0:0] -A %(bn)s-o_port1 -m state --state RELATED,ESTABLISHED -j RETURN
[0:0] -A %(bn)s-o_port1 -j %(bn)s-sg-fallback
@ -1665,6 +1669,8 @@ IPTABLES_FILTER_V6_2 = """# Generated by iptables_manager
[0:0] -A %(bn)s-INPUT %(physdev_mod)s --physdev-EGRESS tap_port2 \
%(physdev_is_bridged)s -j %(bn)s-o_port2
[0:0] -A %(bn)s-o_port2 -p icmpv6 -j RETURN
[0:0] -A %(bn)s-o_port2 -p udp -m udp --sport 546 --dport 547 -j RETURN
[0:0] -A %(bn)s-o_port2 -p udp -m udp --sport 547 --dport 546 -j DROP
[0:0] -A %(bn)s-o_port2 -m state --state INVALID -j DROP
[0:0] -A %(bn)s-o_port2 -m state --state RELATED,ESTABLISHED -j RETURN
[0:0] -A %(bn)s-o_port2 -j %(bn)s-sg-fallback