diff options
| -rw-r--r-- | interface-definitions/firewall.xml.in | 4 | ||||
| -rw-r--r-- | interface-definitions/include/firewall/address-mask-ipv6.xml.i | 14 | ||||
| -rw-r--r-- | interface-definitions/include/firewall/address-mask.xml.i | 14 | ||||
| -rw-r--r-- | python/vyos/firewall.py | 19 | ||||
| -rwxr-xr-x | smoketest/scripts/cli/test_firewall.py | 67 |
5 files changed, 114 insertions, 4 deletions
diff --git a/interface-definitions/firewall.xml.in b/interface-definitions/firewall.xml.in index 2ebce79e5..3bce69fc4 100644 --- a/interface-definitions/firewall.xml.in +++ b/interface-definitions/firewall.xml.in @@ -412,6 +412,7 @@ #include <include/firewall/geoip.xml.i> #include <include/firewall/source-destination-group-ipv6.xml.i> #include <include/firewall/port.xml.i> + #include <include/firewall/address-mask-ipv6.xml.i> </children> </node> <node name="source"> @@ -424,6 +425,7 @@ #include <include/firewall/geoip.xml.i> #include <include/firewall/source-destination-group-ipv6.xml.i> #include <include/firewall/port.xml.i> + #include <include/firewall/address-mask-ipv6.xml.i> </children> </node> #include <include/firewall/common-rule.xml.i> @@ -578,6 +580,7 @@ #include <include/firewall/geoip.xml.i> #include <include/firewall/source-destination-group.xml.i> #include <include/firewall/port.xml.i> + #include <include/firewall/address-mask.xml.i> </children> </node> <node name="source"> @@ -590,6 +593,7 @@ #include <include/firewall/geoip.xml.i> #include <include/firewall/source-destination-group.xml.i> #include <include/firewall/port.xml.i> + #include <include/firewall/address-mask.xml.i> </children> </node> #include <include/firewall/common-rule.xml.i> diff --git a/interface-definitions/include/firewall/address-mask-ipv6.xml.i b/interface-definitions/include/firewall/address-mask-ipv6.xml.i new file mode 100644 index 000000000..8c0483209 --- /dev/null +++ b/interface-definitions/include/firewall/address-mask-ipv6.xml.i @@ -0,0 +1,14 @@ +<!-- include start from firewall/address-mask-ipv6.xml.i --> +<leafNode name="address-mask"> + <properties> + <help>IP mask</help> + <valueHelp> + <format>ipv6</format> + <description>IP mask to apply</description> + </valueHelp> + <constraint> + <validator name="ipv6"/> + </constraint> + </properties> +</leafNode> +<!-- include end --> diff --git a/interface-definitions/include/firewall/address-mask.xml.i b/interface-definitions/include/firewall/address-mask.xml.i new file mode 100644 index 000000000..7f6f17d1e --- /dev/null +++ b/interface-definitions/include/firewall/address-mask.xml.i @@ -0,0 +1,14 @@ +<!-- include start from firewall/address-mask.xml.i --> +<leafNode name="address-mask"> + <properties> + <help>IP mask</help> + <valueHelp> + <format>ipv4</format> + <description>IPv4 mask to apply</description> + </valueHelp> + <constraint> + <validator name="ipv4-address"/> + </constraint> + </properties> +</leafNode> +<!-- include end --> diff --git a/python/vyos/firewall.py b/python/vyos/firewall.py index 59ec4948f..48263eef5 100644 --- a/python/vyos/firewall.py +++ b/python/vyos/firewall.py @@ -113,12 +113,19 @@ def parse_rule(rule_conf, fw_name, rule_id, ip_name): if side in rule_conf: prefix = side[0] side_conf = rule_conf[side] + address_mask = side_conf.get('address_mask', None) if 'address' in side_conf: suffix = side_conf['address'] - if suffix[0] == '!': - suffix = f'!= {suffix[1:]}' - output.append(f'{ip_name} {prefix}addr {suffix}') + operator = '' + exclude = suffix[0] == '!' + if exclude: + operator = '!= ' + suffix = suffix[1:] + if address_mask: + operator = '!=' if exclude else '==' + operator = f'& {address_mask} {operator} ' + output.append(f'{ip_name} {prefix}addr {operator}{suffix}') if 'fqdn' in side_conf: fqdn = side_conf['fqdn'] @@ -168,9 +175,13 @@ def parse_rule(rule_conf, fw_name, rule_id, ip_name): if 'address_group' in group: group_name = group['address_group'] operator = '' - if group_name[0] == '!': + exclude = group_name[0] == "!" + if exclude: operator = '!=' group_name = group_name[1:] + if address_mask: + operator = '!=' if exclude else '==' + operator = f'& {address_mask} {operator}' output.append(f'{ip_name} {prefix}addr {operator} @A{def_suffix}_{group_name}') # Generate firewall group domain-group elif 'domain_group' in group: diff --git a/smoketest/scripts/cli/test_firewall.py b/smoketest/scripts/cli/test_firewall.py index e172e086d..09b520b72 100755 --- a/smoketest/scripts/cli/test_firewall.py +++ b/smoketest/scripts/cli/test_firewall.py @@ -290,6 +290,40 @@ 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' @@ -369,6 +403,39 @@ 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']) |