From ca6b7340714c6161337f508978b9834722be58dc Mon Sep 17 00:00:00 2001 From: Rain <6818611+Rain@users.noreply.github.com> Date: Sat, 8 Oct 2022 18:04:01 -0400 Subject: firewall: T4612: Support arbitrary netmasks Add support for arbitrary netmasks on source/destination addresses in firewall rules. This is particularly useful with DHCPv6-PD when the delegated prefix changes periodically. --- smoketest/scripts/cli/test_firewall.py | 67 ++++++++++++++++++++++++++++++++++ 1 file changed, 67 insertions(+) (limited to 'smoketest/scripts/cli/test_firewall.py') diff --git a/smoketest/scripts/cli/test_firewall.py b/smoketest/scripts/cli/test_firewall.py index 821925bcd..beae2501c 100755 --- a/smoketest/scripts/cli/test_firewall.py +++ b/smoketest/scripts/cli/test_firewall.py @@ -274,6 +274,40 @@ class TestFirewall(VyOSUnitTestSHIM.TestCase): self.verify_nftables(nftables_search, 'ip vyos_filter') + def test_ipv4_mask(self): + name = 'smoketest-mask' + interface = 'eth0' + + self.cli_set(['firewall', 'group', 'address-group', 'mask_group', 'address', '1.1.1.1']) + + self.cli_set(['firewall', 'name', name, 'default-action', 'drop']) + self.cli_set(['firewall', 'name', name, 'enable-default-log']) + + self.cli_set(['firewall', 'name', name, 'rule', '1', 'action', 'drop']) + self.cli_set(['firewall', 'name', name, 'rule', '1', 'destination', 'address', '0.0.1.2']) + self.cli_set(['firewall', 'name', name, 'rule', '1', 'destination', 'address-mask', '0.0.255.255']) + + self.cli_set(['firewall', 'name', name, 'rule', '2', 'action', 'accept']) + self.cli_set(['firewall', 'name', name, 'rule', '2', 'source', 'address', '!0.0.3.4']) + self.cli_set(['firewall', 'name', name, 'rule', '2', 'source', 'address-mask', '0.0.255.255']) + + self.cli_set(['firewall', 'name', name, 'rule', '3', 'action', 'drop']) + self.cli_set(['firewall', 'name', name, 'rule', '3', 'source', 'group', 'address-group', 'mask_group']) + self.cli_set(['firewall', 'name', name, 'rule', '3', 'source', 'address-mask', '0.0.255.255']) + + self.cli_set(['firewall', 'interface', interface, 'in', 'name', name]) + + self.cli_commit() + + nftables_search = [ + [f'daddr & 0.0.255.255 == 0.0.1.2'], + [f'saddr & 0.0.255.255 != 0.0.3.4'], + [f'saddr & 0.0.255.255 == @A_mask_group'] + ] + + self.verify_nftables(nftables_search, 'ip vyos_filter') + + def test_ipv6_basic_rules(self): name = 'v6-smoketest' interface = 'eth0' @@ -353,6 +387,39 @@ class TestFirewall(VyOSUnitTestSHIM.TestCase): self.verify_nftables(nftables_search, 'ip6 vyos_filter') + def test_ipv6_mask(self): + name = 'v6-smoketest-mask' + interface = 'eth0' + + self.cli_set(['firewall', 'group', 'ipv6-address-group', 'mask_group', 'address', '::beef']) + + self.cli_set(['firewall', 'ipv6-name', name, 'default-action', 'drop']) + self.cli_set(['firewall', 'ipv6-name', name, 'enable-default-log']) + + self.cli_set(['firewall', 'ipv6-name', name, 'rule', '1', 'action', 'drop']) + self.cli_set(['firewall', 'ipv6-name', name, 'rule', '1', 'destination', 'address', '::1111:2222:3333:4444']) + self.cli_set(['firewall', 'ipv6-name', name, 'rule', '1', 'destination', 'address-mask', '::ffff:ffff:ffff:ffff']) + + self.cli_set(['firewall', 'ipv6-name', name, 'rule', '2', 'action', 'accept']) + self.cli_set(['firewall', 'ipv6-name', name, 'rule', '2', 'source', 'address', '!::aaaa:bbbb:cccc:dddd']) + self.cli_set(['firewall', 'ipv6-name', name, 'rule', '2', 'source', 'address-mask', '::ffff:ffff:ffff:ffff']) + + self.cli_set(['firewall', 'ipv6-name', name, 'rule', '3', 'action', 'drop']) + self.cli_set(['firewall', 'ipv6-name', name, 'rule', '3', 'source', 'group', 'address-group', 'mask_group']) + self.cli_set(['firewall', 'ipv6-name', name, 'rule', '3', 'source', 'address-mask', '::ffff:ffff:ffff:ffff']) + + self.cli_set(['firewall', 'interface', interface, 'in', 'ipv6-name', name]) + + self.cli_commit() + + nftables_search = [ + ['daddr & ::ffff:ffff:ffff:ffff == ::1111:2222:3333:4444'], + ['saddr & ::ffff:ffff:ffff:ffff != ::aaaa:bbbb:cccc:dddd'], + ['saddr & ::ffff:ffff:ffff:ffff == @A6_mask_group'] + ] + + self.verify_nftables(nftables_search, 'ip6 vyos_filter') + def test_state_policy(self): self.cli_set(['firewall', 'state-policy', 'established', 'action', 'accept']) self.cli_set(['firewall', 'state-policy', 'related', 'action', 'accept']) -- cgit v1.2.3