diff --git a/data/templates/firewall/nftables-zone.j2 b/data/templates/firewall/nftables-zone.j2 new file mode 100644 index 000000000..1e9351f97 --- /dev/null +++ b/data/templates/firewall/nftables-zone.j2 @@ -0,0 +1,69 @@ + +{% macro zone_chains(zone, ipv6=False) %} +{% set fw_name = 'ipv6_name' if ipv6 else 'name' %} +{% set suffix = '6' if ipv6 else '' %} + chain VYOS_ZONE_FORWARD { + type filter hook forward priority 1; policy accept; +{% for zone_name, zone_conf in zone.items() %} +{% if 'local_zone' not in zone_conf %} + oifname { {{ zone_conf.interface | join(',') }} } counter jump VZONE_{{ zone_name }} +{% endif %} +{% endfor %} + } + chain VYOS_ZONE_LOCAL { + type filter hook input priority 1; policy accept; +{% for zone_name, zone_conf in zone.items() %} +{% if 'local_zone' in zone_conf %} + counter jump VZONE_{{ zone_name }}_IN +{% endif %} +{% endfor %} + } + chain VYOS_ZONE_OUTPUT { + type filter hook output priority 1; policy accept; +{% for zone_name, zone_conf in zone.items() %} +{% if 'local_zone' in zone_conf %} + counter jump VZONE_{{ zone_name }}_OUT +{% endif %} +{% endfor %} + } +{% for zone_name, zone_conf in zone.items() %} +{% if zone_conf.local_zone is vyos_defined %} + chain VZONE_{{ zone_name }}_IN { + iifname lo counter return +{% if zone_conf.from is vyos_defined %} +{% for from_zone, from_conf in zone_conf.from.items() if from_conf.firewall[fw_name] is vyos_defined %} + iifname { {{ zone[from_zone].interface | join(",") }} } counter jump NAME{{ suffix }}_{{ from_conf.firewall[fw_name] }} + iifname { {{ zone[from_zone].interface | join(",") }} } counter return +{% endfor %} +{% endif %} + {{ zone_conf | nft_default_rule('zone_' + zone_name) }} + } + chain VZONE_{{ zone_name }}_OUT { + oifname lo counter return +{% if zone_conf.from_local is vyos_defined %} +{% for from_zone, from_conf in zone_conf.from_local.items() if from_conf.firewall[fw_name] is vyos_defined %} + oifname { {{ zone[from_zone].interface | join(",") }} } counter jump NAME{{ suffix }}_{{ from_conf.firewall[fw_name] }} + oifname { {{ zone[from_zone].interface | join(",") }} } counter return +{% endfor %} +{% endif %} + {{ zone_conf | nft_default_rule('zone_' + zone_name) }} + } +{% else %} + chain VZONE_{{ zone_name }} { + iifname { {{ zone_conf.interface | join(",") }} } counter {{ zone_conf | nft_intra_zone_action(ipv6) }} +{% if zone_conf.intra_zone_filtering is vyos_defined %} + iifname { {{ zone_conf.interface | join(",") }} } counter return +{% endif %} +{% if zone_conf.from is vyos_defined %} +{% for from_zone, from_conf in zone_conf.from.items() if from_conf.firewall[fw_name] is vyos_defined %} +{% if zone[from_zone].local_zone is not defined %} + iifname { {{ zone[from_zone].interface | join(",") }} } counter jump NAME{{ suffix }}_{{ from_conf.firewall[fw_name] }} + iifname { {{ zone[from_zone].interface | join(",") }} } counter return +{% endif %} +{% endfor %} +{% endif %} + {{ zone_conf | nft_default_rule('zone_' + zone_name) }} + } +{% endif %} +{% endfor %} +{% endmacro %} \ No newline at end of file diff --git a/data/templates/firewall/nftables.j2 b/data/templates/firewall/nftables.j2 index 1b46fb5d4..e24a9655d 100644 --- a/data/templates/firewall/nftables.j2 +++ b/data/templates/firewall/nftables.j2 @@ -1,272 +1,281 @@ #!/usr/sbin/nft -f {% import 'firewall/nftables-defines.j2' as group_tmpl %} {% import 'firewall/nftables-bridge.j2' as bridge_tmpl %} {% import 'firewall/nftables-offload.j2' as offload_tmpl %} +{% import 'firewall/nftables-zone.j2' as zone_tmpl %} flush chain raw vyos_global_rpfilter flush chain ip6 raw vyos_global_rpfilter table raw { chain vyos_global_rpfilter { {% if global_options.source_validation is vyos_defined('loose') %} fib saddr oif 0 counter drop {% elif global_options.source_validation is vyos_defined('strict') %} fib saddr . iif oif 0 counter drop {% endif %} return } } table ip6 raw { chain vyos_global_rpfilter { {% if global_options.ipv6_source_validation is vyos_defined('loose') %} fib saddr oif 0 counter drop {% elif global_options.ipv6_source_validation is vyos_defined('strict') %} fib saddr . iif oif 0 counter drop {% endif %} return } } {% if first_install is not vyos_defined %} delete table ip vyos_filter {% endif %} table ip vyos_filter { {% if ipv4 is vyos_defined %} {% if flowtable is vyos_defined %} {% for name, flowtable_conf in flowtable.items() %} {{ offload_tmpl.flowtable(name, flowtable_conf) }} {% endfor %} {% endif %} {% set ns = namespace(sets=[]) %} {% if ipv4.forward is vyos_defined %} {% for prior, conf in ipv4.forward.items() %} chain VYOS_FORWARD_{{ prior }} { type filter hook forward priority {{ prior }}; policy accept; {% if conf.rule is vyos_defined %} {% for rule_id, rule_conf in conf.rule.items() if rule_conf.disable is not vyos_defined %} {{ rule_conf | nft_rule('FWD', prior, rule_id) }} {% if rule_conf.recent is vyos_defined %} {% set ns.sets = ns.sets + ['FWD_' + prior + '_' + rule_id] %} {% endif %} {% endfor %} {% endif %} {{ conf | nft_default_rule('FWD-filter') }} } {% endfor %} {% endif %} {% if ipv4.input is vyos_defined %} {% for prior, conf in ipv4.input.items() %} chain VYOS_INPUT_{{ prior }} { type filter hook input priority {{ prior }}; policy accept; {% if conf.rule is vyos_defined %} {% for rule_id, rule_conf in conf.rule.items() if rule_conf.disable is not vyos_defined %} {{ rule_conf | nft_rule('INP',prior, rule_id) }} {% if rule_conf.recent is vyos_defined %} {% set ns.sets = ns.sets + ['INP_' + prior + '_' + rule_id] %} {% endif %} {% endfor %} {% endif %} {{ conf | nft_default_rule('INP-filter') }} } {% endfor %} {% endif %} {% if ipv4.output is vyos_defined %} {% for prior, conf in ipv4.output.items() %} chain VYOS_OUTPUT_{{ prior }} { type filter hook output priority {{ prior }}; policy accept; {% if conf.rule is vyos_defined %} {% for rule_id, rule_conf in conf.rule.items() if rule_conf.disable is not vyos_defined %} {{ rule_conf | nft_rule('OUT', prior, rule_id) }} {% if rule_conf.recent is vyos_defined %} {% set ns.sets = ns.sets + ['OUT_' + prior + '_' + rule_id] %} {% endif %} {% endfor %} {% endif %} {{ conf | nft_default_rule('OUT-filter') }} } {% endfor %} {% endif %} chain VYOS_FRAG_MARK { type filter hook prerouting priority -450; policy accept; ip frag-off & 0x3fff != 0 meta mark set 0xffff1 return } {% if ipv4.prerouting is vyos_defined %} {% for prior, conf in ipv4.prerouting.items() %} chain VYOS_PREROUTING_{{ prior }} { type filter hook prerouting priority {{ prior }}; policy accept; {% if conf.rule is vyos_defined %} {% for rule_id, rule_conf in conf.rule.items() if rule_conf.disable is not vyos_defined %} {{ rule_conf | nft_rule('PRE', prior, rule_id) }} {% if rule_conf.recent is vyos_defined %} {% set ns.sets = ns.sets + ['PRE_' + prior + '_' + rule_id] %} {% endif %} {% endfor %} {% endif %} {{ conf | nft_default_rule('PRE-filter') }} } {% endfor %} {% endif %} {% if ipv4.name is vyos_defined %} {% for name_text, conf in ipv4.name.items() %} chain NAME_{{ name_text }} { {% if conf.rule is vyos_defined %} {% for rule_id, rule_conf in conf.rule.items() if rule_conf.disable is not vyos_defined %} {{ rule_conf | nft_rule('NAM', name_text, rule_id) }} {% if rule_conf.recent is vyos_defined %} {% set ns.sets = ns.sets + ['NAM_' + name_text + '_' + rule_id] %} {% endif %} {% endfor %} {% endif %} {{ conf | nft_default_rule(name_text) }} } {% endfor %} {% endif %} {% for set_name in ns.sets %} set RECENT_{{ set_name }} { type ipv4_addr size 65535 flags dynamic } {% endfor %} {% for set_name in ip_fqdn %} set FQDN_{{ set_name }} { type ipv4_addr flags interval } {% endfor %} {% if geoip_updated.name is vyos_defined %} {% for setname in geoip_updated.name %} set {{ setname }} { type ipv4_addr flags interval } {% endfor %} {% endif %} {% endif %} {{ group_tmpl.groups(group, False, True) }} + +{% if zone is vyos_defined %} +{{ zone_tmpl.zone_chains(zone, False) }} +{% endif %} } {% if first_install is not vyos_defined %} delete table ip6 vyos_filter {% endif %} table ip6 vyos_filter { {% if ipv6 is vyos_defined %} {% if flowtable is vyos_defined %} {% for name, flowtable_conf in flowtable.items() %} {{ offload_tmpl.flowtable(name, flowtable_conf) }} {% endfor %} {% endif %} {% set ns = namespace(sets=[]) %} {% if ipv6.forward is vyos_defined %} {% for prior, conf in ipv6.forward.items() %} chain VYOS_IPV6_FORWARD_{{ prior }} { type filter hook forward priority {{ prior }}; policy accept; {% if conf.rule is vyos_defined %} {% for rule_id, rule_conf in conf.rule.items() if rule_conf.disable is not vyos_defined %} {{ rule_conf | nft_rule('FWD', prior, rule_id ,'ip6') }} {% if rule_conf.recent is vyos_defined %} {% set ns.sets = ns.sets + ['FWD_' + prior + '_' + rule_id] %} {% endif %} {% endfor %} {% endif %} {{ conf | nft_default_rule('FWD-filter', ipv6=True) }} } {% endfor %} {% endif %} {% if ipv6.input is vyos_defined %} {% for prior, conf in ipv6.input.items() %} chain VYOS_IPV6_INPUT_{{ prior }} { type filter hook input priority {{ prior }}; policy accept; {% if conf.rule is vyos_defined %} {% for rule_id, rule_conf in conf.rule.items() if rule_conf.disable is not vyos_defined %} {{ rule_conf | nft_rule('INP', prior, rule_id ,'ip6') }} {% if rule_conf.recent is vyos_defined %} {% set ns.sets = ns.sets + ['INP_' + prior + '_' + rule_id] %} {% endif %} {% endfor %} {% endif %} {{ conf | nft_default_rule('INP-filter', ipv6=True) }} } {% endfor %} {% endif %} {% if ipv6.output is vyos_defined %} {% for prior, conf in ipv6.output.items() %} chain VYOS_IPV6_OUTPUT_{{ prior }} { type filter hook output priority {{ prior }}; policy accept; {% if conf.rule is vyos_defined %} {% for rule_id, rule_conf in conf.rule.items() if rule_conf.disable is not vyos_defined %} {{ rule_conf | nft_rule('OUT', prior, rule_id ,'ip6') }} {% if rule_conf.recent is vyos_defined %} {% set ns.sets = ns.sets + ['OUT_ ' + prior + '_' + rule_id] %} {% endif %} {% endfor %} {% endif %} {{ conf | nft_default_rule('OUT-filter', ipv6=True) }} } {% endfor %} {% endif %} chain VYOS_FRAG6_MARK { type filter hook prerouting priority -450; policy accept; exthdr frag exists meta mark set 0xffff1 return } {% if ipv6.name is vyos_defined %} {% for name_text, conf in ipv6.name.items() %} chain NAME6_{{ name_text }} { {% if conf.rule is vyos_defined %} {% for rule_id, rule_conf in conf.rule.items() if rule_conf.disable is not vyos_defined %} {{ rule_conf | nft_rule('NAM', name_text, rule_id, 'ip6') }} {% if rule_conf.recent is vyos_defined %} {% set ns.sets = ns.sets + ['NAM_' + name_text + '_' + rule_id] %} {% endif %} {% endfor %} {% endif %} {{ conf | nft_default_rule(name_text, ipv6=True) }} } {% endfor %} {% endif %} {% for set_name in ns.sets %} set RECENT6_{{ set_name }} { type ipv6_addr size 65535 flags dynamic } {% endfor %} {% for set_name in ip6_fqdn %} set FQDN_{{ set_name }} { type ipv6_addr flags interval } {% endfor %} {% if geoip_updated.ipv6_name is vyos_defined %} {% for setname in geoip_updated.ipv6_name %} set {{ setname }} { type ipv6_addr flags interval } {% endfor %} {% endif %} {% endif %} {{ group_tmpl.groups(group, True, True) }} +{% if zone is vyos_defined %} +{{ zone_tmpl.zone_chains(zone, True) }} +{% endif %} } ## Bridge Firewall {% if first_install is not vyos_defined %} delete table bridge vyos_filter {% endif %} table bridge vyos_filter { {{ bridge_tmpl.bridge(bridge) }} {{ group_tmpl.groups(group, False, False) }} + } diff --git a/interface-definitions/firewall.xml.in b/interface-definitions/firewall.xml.in index 81e6b89ea..0bb14a1b3 100644 --- a/interface-definitions/firewall.xml.in +++ b/interface-definitions/firewall.xml.in @@ -1,360 +1,502 @@ <?xml version="1.0"?> <interfaceDefinition> <node name="firewall" owner="${vyos_conf_scripts_dir}/firewall.py"> <properties> <priority>199</priority> <help>Firewall</help> </properties> <children> #include <include/firewall/global-options.xml.i> <tagNode name="flowtable"> <properties> <help>Flowtable</help> <constraint> <regex>[a-zA-Z0-9][\w\-\.]*</regex> </constraint> </properties> <children> #include <include/generic-description.xml.i> <leafNode name="interface"> <properties> <help>Interfaces to use this flowtable</help> <completionHelp> <script>${vyos_completion_dir}/list_interfaces</script> </completionHelp> <multi/> </properties> </leafNode> <leafNode name="offload"> <properties> <help>Offloading method</help> <completionHelp> <list>hardware software</list> </completionHelp> <valueHelp> <format>hardware</format> <description>Hardware offload</description> </valueHelp> <valueHelp> <format>software</format> <description>Software offload</description> </valueHelp> <constraint> <regex>(hardware|software)</regex> </constraint> </properties> <defaultValue>software</defaultValue> </leafNode> </children> </tagNode> <node name="group"> <properties> <help>Firewall group</help> </properties> <children> <tagNode name="address-group"> <properties> <help>Firewall address-group</help> <constraint> <regex>[a-zA-Z0-9][\w\-\.]*</regex> </constraint> </properties> <children> <leafNode name="address"> <properties> <help>Address-group member</help> <valueHelp> <format>ipv4</format> <description>IPv4 address to match</description> </valueHelp> <valueHelp> <format>ipv4range</format> <description>IPv4 range to match (e.g. 10.0.0.1-10.0.0.200)</description> </valueHelp> <constraint> <validator name="ipv4-address"/> <validator name="ipv4-range"/> </constraint> <multi/> </properties> </leafNode> <leafNode name="include"> <properties> <help>Include another address-group</help> <completionHelp> <path>firewall group address-group</path> </completionHelp> <multi/> </properties> </leafNode> #include <include/generic-description.xml.i> </children> </tagNode> <tagNode name="domain-group"> <properties> <help>Firewall domain-group</help> <constraint> <regex>[a-zA-Z_][a-zA-Z0-9][\w\-\.]*</regex> </constraint> <constraintErrorMessage>Name of domain-group can only contain alpha-numeric letters, hyphen, underscores and not start with numeric</constraintErrorMessage> </properties> <children> <leafNode name="address"> <properties> <help>Domain-group member</help> <valueHelp> <format>txt</format> <description>Domain address to match</description> </valueHelp> <constraint> <validator name="fqdn"/> </constraint> <multi/> </properties> </leafNode> #include <include/generic-description.xml.i> </children> </tagNode> <tagNode name="interface-group"> <properties> <help>Firewall interface-group</help> <constraint> <regex>[a-zA-Z0-9][\w\-\.]*</regex> </constraint> </properties> <children> <leafNode name="interface"> <properties> <help>Interface-group member</help> <completionHelp> <script>${vyos_completion_dir}/list_interfaces</script> </completionHelp> <multi/> </properties> </leafNode> <leafNode name="include"> <properties> <help>Include another interface-group</help> <completionHelp> <path>firewall group interface-group</path> </completionHelp> <multi/> </properties> </leafNode> #include <include/generic-description.xml.i> </children> </tagNode> <tagNode name="ipv6-address-group"> <properties> <help>Firewall ipv6-address-group</help> <constraint> <regex>[a-zA-Z0-9][\w\-\.]*</regex> </constraint> </properties> <children> <leafNode name="address"> <properties> <help>Address-group member</help> <valueHelp> <format>ipv6</format> <description>IPv6 address to match</description> </valueHelp> <valueHelp> <format>ipv6range</format> <description>IPv6 range to match (e.g. 2002::1-2002::ff)</description> </valueHelp> <constraint> <validator name="ipv6-address"/> <validator name="ipv6-range"/> </constraint> <multi/> </properties> </leafNode> <leafNode name="include"> <properties> <help>Include another ipv6-address-group</help> <completionHelp> <path>firewall group ipv6-address-group</path> </completionHelp> <multi/> </properties> </leafNode> #include <include/generic-description.xml.i> </children> </tagNode> <tagNode name="ipv6-network-group"> <properties> <help>Firewall ipv6-network-group</help> <constraint> <regex>[a-zA-Z0-9][\w\-\.]*</regex> </constraint> </properties> <children> #include <include/generic-description.xml.i> <leafNode name="network"> <properties> <help>Network-group member</help> <valueHelp> <format>ipv6net</format> <description>IPv6 address to match</description> </valueHelp> <constraint> <validator name="ipv6-prefix"/> </constraint> <multi/> </properties> </leafNode> <leafNode name="include"> <properties> <help>Include another ipv6-network-group</help> <completionHelp> <path>firewall group ipv6-network-group</path> </completionHelp> <multi/> </properties> </leafNode> </children> </tagNode> <tagNode name="mac-group"> <properties> <help>Firewall mac-group</help> <constraint> <regex>[a-zA-Z0-9][\w\-\.]*</regex> </constraint> </properties> <children> #include <include/generic-description.xml.i> <leafNode name="mac-address"> <properties> <help>Mac-group member</help> <valueHelp> <format>macaddr</format> <description>MAC address to match</description> </valueHelp> <constraint> <validator name="mac-address"/> </constraint> <multi/> </properties> </leafNode> <leafNode name="include"> <properties> <help>Include another mac-group</help> <completionHelp> <path>firewall group mac-group</path> </completionHelp> <multi/> </properties> </leafNode> </children> </tagNode> <tagNode name="network-group"> <properties> <help>Firewall network-group</help> <constraint> <regex>[a-zA-Z0-9][\w\-\.]*</regex> </constraint> </properties> <children> #include <include/generic-description.xml.i> <leafNode name="network"> <properties> <help>Network-group member</help> <valueHelp> <format>ipv4net</format> <description>IPv4 Subnet to match</description> </valueHelp> <constraint> <validator name="ipv4-prefix"/> </constraint> <multi/> </properties> </leafNode> <leafNode name="include"> <properties> <help>Include another network-group</help> <completionHelp> <path>firewall group network-group</path> </completionHelp> <multi/> </properties> </leafNode> </children> </tagNode> <tagNode name="port-group"> <properties> <help>Firewall port-group</help> <constraint> <regex>[a-zA-Z0-9][\w\-\.]*</regex> </constraint> </properties> <children> #include <include/generic-description.xml.i> <leafNode name="port"> <properties> <help>Port-group member</help> <valueHelp> <format>txt</format> <description>Named port (any name in /etc/services, e.g., http)</description> </valueHelp> <valueHelp> <format>u32:1-65535</format> <description>Numbered port</description> </valueHelp> <valueHelp> <format>start-end</format> <description>Numbered port range (e.g. 1001-1050)</description> </valueHelp> <multi/> <constraint> <validator name="port-range"/> </constraint> </properties> </leafNode> <leafNode name="include"> <properties> <help>Include another port-group</help> <completionHelp> <path>firewall group port-group</path> </completionHelp> <multi/> </properties> </leafNode> </children> </tagNode> </children> </node> <node name="bridge"> <properties> <help>Bridge firewall</help> </properties> <children> #include <include/firewall/bridge-hook-forward.xml.i> #include <include/firewall/bridge-custom-name.xml.i> </children> </node> <node name="ipv4"> <properties> <help>IPv4 firewall</help> </properties> <children> #include <include/firewall/ipv4-hook-forward.xml.i> #include <include/firewall/ipv4-hook-input.xml.i> #include <include/firewall/ipv4-hook-output.xml.i> #include <include/firewall/ipv4-custom-name.xml.i> </children> </node> <node name="ipv6"> <properties> <help>IPv6 firewall</help> </properties> <children> #include <include/firewall/ipv6-hook-forward.xml.i> #include <include/firewall/ipv6-hook-input.xml.i> #include <include/firewall/ipv6-hook-output.xml.i> #include <include/firewall/ipv6-custom-name.xml.i> </children> </node> + <tagNode name="zone"> + <properties> + <help>Zone-policy</help> + <valueHelp> + <format>txt</format> + <description>Zone name</description> + </valueHelp> + <constraint> + <regex>[a-zA-Z0-9][\w\-\.]*</regex> + </constraint> + </properties> + <children> + #include <include/generic-description.xml.i> + #include <include/firewall/enable-default-log.xml.i> + <leafNode name="default-action"> + <properties> + <help>Default-action for traffic coming into this zone</help> + <completionHelp> + <list>drop reject</list> + </completionHelp> + <valueHelp> + <format>drop</format> + <description>Drop silently</description> + </valueHelp> + <valueHelp> + <format>reject</format> + <description>Drop and notify source</description> + </valueHelp> + <constraint> + <regex>(drop|reject)</regex> + </constraint> + </properties> + <defaultValue>drop</defaultValue> + </leafNode> + <tagNode name="from"> + <properties> + <help>Zone from which to filter traffic</help> + <completionHelp> + <path>zone-policy zone</path> + </completionHelp> + </properties> + <children> + <node name="firewall"> + <properties> + <help>Firewall options</help> + </properties> + <children> + <leafNode name="ipv6-name"> + <properties> + <help>IPv6 firewall ruleset</help> + <completionHelp> + <path>firewall ipv6 name</path> + </completionHelp> + </properties> + </leafNode> + <leafNode name="name"> + <properties> + <help>IPv4 firewall ruleset</help> + <completionHelp> + <path>firewall ipv4 name</path> + </completionHelp> + </properties> + </leafNode> + </children> + </node> + </children> + </tagNode> + <leafNode name="interface"> + <properties> + <help>Interface associated with zone</help> + <valueHelp> + <format>txt</format> + <description>Interface associated with zone</description> + </valueHelp> + <valueHelp> + <format>vrf</format> + <description>VRF associated with zone</description> + </valueHelp> + <completionHelp> + <script>${vyos_completion_dir}/list_interfaces</script> + <path>vrf name</path> + </completionHelp> + <multi/> + </properties> + </leafNode> + <node name="intra-zone-filtering"> + <properties> + <help>Intra-zone filtering</help> + </properties> + <children> + <leafNode name="action"> + <properties> + <help>Action for intra-zone traffic</help> + <completionHelp> + <list>accept drop</list> + </completionHelp> + <valueHelp> + <format>accept</format> + <description>Accept traffic</description> + </valueHelp> + <valueHelp> + <format>drop</format> + <description>Drop silently</description> + </valueHelp> + <constraint> + <regex>(accept|drop)</regex> + </constraint> + </properties> + </leafNode> + <node name="firewall"> + <properties> + <help>Use the specified firewall chain</help> + </properties> + <children> + <leafNode name="ipv6-name"> + <properties> + <help>IPv6 firewall ruleset</help> + <completionHelp> + <path>firewall ipv6 name</path> + </completionHelp> + </properties> + </leafNode> + <leafNode name="name"> + <properties> + <help>IPv4 firewall ruleset</help> + <completionHelp> + <path>firewall ipv4 name</path> + </completionHelp> + </properties> + </leafNode> + </children> + </node> + </children> + </node> + <leafNode name="local-zone"> + <properties> + <help>Zone to be local-zone</help> + <valueless/> + </properties> + </leafNode> + </children> + </tagNode> </children> </node> </interfaceDefinition> diff --git a/smoketest/scripts/cli/test_firewall.py b/smoketest/scripts/cli/test_firewall.py index 90d5a6754..0de4354d2 100755 --- a/smoketest/scripts/cli/test_firewall.py +++ b/smoketest/scripts/cli/test_firewall.py @@ -1,689 +1,727 @@ #!/usr/bin/env python3 # # Copyright (C) 2021-2023 VyOS maintainers and contributors # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License version 2 or later as # published by the Free Software Foundation. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. import unittest from glob import glob from time import sleep from base_vyostest_shim import VyOSUnitTestSHIM from vyos.configsession import ConfigSessionError from vyos.utils.process import cmd from vyos.utils.process import run sysfs_config = { 'all_ping': {'sysfs': '/proc/sys/net/ipv4/icmp_echo_ignore_all', 'default': '0', 'test_value': 'disable'}, 'broadcast_ping': {'sysfs': '/proc/sys/net/ipv4/icmp_echo_ignore_broadcasts', 'default': '1', 'test_value': 'enable'}, 'ip_src_route': {'sysfs': '/proc/sys/net/ipv4/conf/*/accept_source_route', 'default': '0', 'test_value': 'enable'}, 'ipv6_receive_redirects': {'sysfs': '/proc/sys/net/ipv6/conf/*/accept_redirects', 'default': '0', 'test_value': 'enable'}, 'ipv6_src_route': {'sysfs': '/proc/sys/net/ipv6/conf/*/accept_source_route', 'default': '-1', 'test_value': 'enable'}, 'log_martians': {'sysfs': '/proc/sys/net/ipv4/conf/all/log_martians', 'default': '1', 'test_value': 'disable'}, 'receive_redirects': {'sysfs': '/proc/sys/net/ipv4/conf/*/accept_redirects', 'default': '0', 'test_value': 'enable'}, 'send_redirects': {'sysfs': '/proc/sys/net/ipv4/conf/*/send_redirects', 'default': '1', 'test_value': 'disable'}, 'syn_cookies': {'sysfs': '/proc/sys/net/ipv4/tcp_syncookies', 'default': '1', 'test_value': 'disable'}, 'twa_hazards_protection': {'sysfs': '/proc/sys/net/ipv4/tcp_rfc1337', 'default': '0', 'test_value': 'enable'} } class TestFirewall(VyOSUnitTestSHIM.TestCase): @classmethod def setUpClass(cls): super(TestFirewall, cls).setUpClass() # ensure we can also run this test on a live system - so lets clean # out the current configuration :) cls.cli_delete(cls, ['firewall']) @classmethod def tearDownClass(cls): super(TestFirewall, cls).tearDownClass() def tearDown(self): self.cli_delete(['firewall']) self.cli_commit() # Verify chains/sets are cleaned up from nftables nftables_search = [ ['set M_smoketest_mac'], ['set N_smoketest_network'], ['set P_smoketest_port'], ['set D_smoketest_domain'], ['set RECENT_smoketest_4'], ['chain NAME_smoketest'] ] self.verify_nftables(nftables_search, 'ip vyos_filter', inverse=True) def verify_nftables(self, nftables_search, table, inverse=False, args=''): nftables_output = cmd(f'sudo nft {args} list table {table}') for search in nftables_search: matched = False for line in nftables_output.split("\n"): if all(item in line for item in search): matched = True break self.assertTrue(not matched if inverse else matched, msg=search) def verify_nftables_chain(self, nftables_search, table, chain, inverse=False, args=''): nftables_output = cmd(f'sudo nft {args} list chain {table} {chain}') for search in nftables_search: matched = False for line in nftables_output.split("\n"): if all(item in line for item in search): matched = True break self.assertTrue(not matched if inverse else matched, msg=search) def wait_for_domain_resolver(self, table, set_name, element, max_wait=10): # Resolver no longer blocks commit, need to wait for daemon to populate set count = 0 while count < max_wait: code = run(f'sudo nft get element {table} {set_name} {{ {element} }}') if code == 0: return True count += 1 sleep(1) return False def test_geoip(self): self.cli_set(['firewall', 'ipv4', 'name', 'smoketest', 'rule', '1', 'action', 'drop']) self.cli_set(['firewall', 'ipv4', 'name', 'smoketest', 'rule', '1', 'source', 'geoip', 'country-code', 'se']) self.cli_set(['firewall', 'ipv4', 'name', 'smoketest', 'rule', '1', 'source', 'geoip', 'country-code', 'gb']) self.cli_set(['firewall', 'ipv4', 'name', 'smoketest', 'rule', '2', 'action', 'accept']) self.cli_set(['firewall', 'ipv4', 'name', 'smoketest', 'rule', '2', 'source', 'geoip', 'country-code', 'de']) self.cli_set(['firewall', 'ipv4', 'name', 'smoketest', 'rule', '2', 'source', 'geoip', 'country-code', 'fr']) self.cli_set(['firewall', 'ipv4', 'name', 'smoketest', 'rule', '2', 'source', 'geoip', 'inverse-match']) self.cli_commit() nftables_search = [ ['ip saddr @GEOIP_CC_name_smoketest_1', 'drop'], ['ip saddr != @GEOIP_CC_name_smoketest_2', 'accept'] ] # -t prevents 1000+ GeoIP elements being returned self.verify_nftables(nftables_search, 'ip vyos_filter', args='-t') def test_groups(self): hostmap_path = ['system', 'static-host-mapping', 'host-name'] example_org = ['192.0.2.8', '192.0.2.10', '192.0.2.11'] self.cli_set(hostmap_path + ['example.com', 'inet', '192.0.2.5']) for ips in example_org: self.cli_set(hostmap_path + ['example.org', 'inet', ips]) self.cli_commit() self.cli_set(['firewall', 'group', 'mac-group', 'smoketest_mac', 'mac-address', '00:01:02:03:04:05']) self.cli_set(['firewall', 'group', 'network-group', 'smoketest_network', 'network', '172.16.99.0/24']) self.cli_set(['firewall', 'group', 'port-group', 'smoketest_port', 'port', '53']) self.cli_set(['firewall', 'group', 'port-group', 'smoketest_port', 'port', '123']) self.cli_set(['firewall', 'group', 'domain-group', 'smoketest_domain', 'address', 'example.com']) self.cli_set(['firewall', 'group', 'domain-group', 'smoketest_domain', 'address', 'example.org']) self.cli_set(['firewall', 'group', 'interface-group', 'smoketest_interface', 'interface', 'eth0']) self.cli_set(['firewall', 'group', 'interface-group', 'smoketest_interface', 'interface', 'vtun0']) self.cli_set(['firewall', 'ipv4', 'forward', 'filter', 'rule', '1', 'action', 'accept']) self.cli_set(['firewall', 'ipv4', 'forward', 'filter', 'rule', '1', 'source', 'group', 'network-group', 'smoketest_network']) self.cli_set(['firewall', 'ipv4', 'forward', 'filter', 'rule', '1', 'destination', 'address', '172.16.10.10']) self.cli_set(['firewall', 'ipv4', 'forward', 'filter', 'rule', '1', 'destination', 'group', 'port-group', 'smoketest_port']) self.cli_set(['firewall', 'ipv4', 'forward', 'filter', 'rule', '1', 'protocol', 'tcp_udp']) self.cli_set(['firewall', 'ipv4', 'forward', 'filter', 'rule', '2', 'action', 'accept']) self.cli_set(['firewall', 'ipv4', 'forward', 'filter', 'rule', '2', 'source', 'group', 'mac-group', 'smoketest_mac']) self.cli_set(['firewall', 'ipv4', 'forward', 'filter', 'rule', '3', 'action', 'accept']) self.cli_set(['firewall', 'ipv4', 'forward', 'filter', 'rule', '3', 'source', 'group', 'domain-group', 'smoketest_domain']) self.cli_set(['firewall', 'ipv4', 'forward', 'filter', 'rule', '4', 'action', 'accept']) self.cli_set(['firewall', 'ipv4', 'forward', 'filter', 'rule', '4', 'outbound-interface', 'interface-group', '!smoketest_interface']) self.cli_commit() self.wait_for_domain_resolver('ip vyos_filter', 'D_smoketest_domain', '192.0.2.5') nftables_search = [ ['ip saddr @N_smoketest_network', 'ip daddr 172.16.10.10', 'th dport @P_smoketest_port', 'accept'], ['elements = { 172.16.99.0/24 }'], ['elements = { 53, 123 }'], ['ether saddr @M_smoketest_mac', 'accept'], ['elements = { 00:01:02:03:04:05 }'], ['set D_smoketest_domain'], ['elements = { 192.0.2.5, 192.0.2.8,'], ['192.0.2.10, 192.0.2.11 }'], ['ip saddr @D_smoketest_domain', 'accept'], ['oifname != @I_smoketest_interface', 'accept'] ] self.verify_nftables(nftables_search, 'ip vyos_filter') self.cli_delete(['system', 'static-host-mapping']) self.cli_commit() def test_nested_groups(self): self.cli_set(['firewall', 'group', 'network-group', 'smoketest_network', 'network', '172.16.99.0/24']) self.cli_set(['firewall', 'group', 'network-group', 'smoketest_network1', 'network', '172.16.101.0/24']) self.cli_set(['firewall', 'group', 'network-group', 'smoketest_network1', 'include', 'smoketest_network']) self.cli_set(['firewall', 'group', 'port-group', 'smoketest_port', 'port', '53']) self.cli_set(['firewall', 'group', 'port-group', 'smoketest_port1', 'port', '123']) self.cli_set(['firewall', 'group', 'port-group', 'smoketest_port1', 'include', 'smoketest_port']) self.cli_set(['firewall', 'ipv4', 'name', 'smoketest', 'rule', '1', 'action', 'accept']) self.cli_set(['firewall', 'ipv4', 'name', 'smoketest', 'rule', '1', 'source', 'group', 'network-group', 'smoketest_network1']) self.cli_set(['firewall', 'ipv4', 'name', 'smoketest', 'rule', '1', 'destination', 'group', 'port-group', 'smoketest_port1']) self.cli_set(['firewall', 'ipv4', 'name', 'smoketest', 'rule', '1', 'protocol', 'tcp_udp']) self.cli_commit() # Test circular includes self.cli_set(['firewall', 'group', 'network-group', 'smoketest_network', 'include', 'smoketest_network1']) with self.assertRaises(ConfigSessionError): self.cli_commit() self.cli_delete(['firewall', 'group', 'network-group', 'smoketest_network', 'include', 'smoketest_network1']) nftables_search = [ ['ip saddr @N_smoketest_network1', 'th dport @P_smoketest_port1', 'accept'], ['elements = { 172.16.99.0/24, 172.16.101.0/24 }'], ['elements = { 53, 123 }'] ] self.verify_nftables(nftables_search, 'ip vyos_filter') def test_ipv4_basic_rules(self): name = 'smoketest' interface = 'eth0' interface_inv = '!eth0' interface_wc = 'l2tp*' mss_range = '501-1460' conn_mark = '555' self.cli_set(['firewall', 'ipv4', 'name', name, 'default-action', 'drop']) self.cli_set(['firewall', 'ipv4', 'name', name, 'enable-default-log']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '1', 'action', 'accept']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '1', 'source', 'address', '172.16.20.10']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '1', 'destination', 'address', '172.16.10.10']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '1', 'log', 'enable']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '1', 'log-options', 'level', 'debug']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '1', 'ttl', 'eq', '15']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '2', 'action', 'reject']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '2', 'protocol', 'tcp']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '2', 'destination', 'port', '8888']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '2', 'log', 'enable']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '2', 'log-options', 'level', 'err']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '2', 'tcp', 'flags', 'syn']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '2', 'tcp', 'flags', 'not', 'ack']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '2', 'ttl', 'gt', '102']) self.cli_set(['firewall', 'ipv4', 'forward', 'filter', 'default-action', 'drop']) self.cli_set(['firewall', 'ipv4', 'forward', 'filter', 'enable-default-log']) self.cli_set(['firewall', 'ipv4', 'forward', 'filter', 'rule', '3', 'action', 'accept']) self.cli_set(['firewall', 'ipv4', 'forward', 'filter', 'rule', '3', 'protocol', 'tcp']) self.cli_set(['firewall', 'ipv4', 'forward', 'filter', 'rule', '3', 'destination', 'port', '22']) self.cli_set(['firewall', 'ipv4', 'forward', 'filter', 'rule', '3', 'limit', 'rate', '5/minute']) self.cli_set(['firewall', 'ipv4', 'forward', 'filter', 'rule', '3', 'log', 'disable']) self.cli_set(['firewall', 'ipv4', 'forward', 'filter', 'rule', '4', 'action', 'drop']) self.cli_set(['firewall', 'ipv4', 'forward', 'filter', 'rule', '4', 'protocol', 'tcp']) self.cli_set(['firewall', 'ipv4', 'forward', 'filter', 'rule', '4', 'destination', 'port', '22']) self.cli_set(['firewall', 'ipv4', 'forward', 'filter', 'rule', '4', 'recent', 'count', '10']) self.cli_set(['firewall', 'ipv4', 'forward', 'filter', 'rule', '4', 'recent', 'time', 'minute']) self.cli_set(['firewall', 'ipv4', 'forward', 'filter', 'rule', '4', 'packet-type', 'host']) self.cli_set(['firewall', 'ipv4', 'input', 'filter', 'rule', '5', 'action', 'accept']) self.cli_set(['firewall', 'ipv4', 'input', 'filter', 'rule', '5', 'protocol', 'tcp']) self.cli_set(['firewall', 'ipv4', 'input', 'filter', 'rule', '5', 'tcp', 'flags', 'syn']) self.cli_set(['firewall', 'ipv4', 'input', 'filter', 'rule', '5', 'tcp', 'mss', mss_range]) self.cli_set(['firewall', 'ipv4', 'input', 'filter', 'rule', '5', 'packet-type', 'broadcast']) self.cli_set(['firewall', 'ipv4', 'input', 'filter', 'rule', '5', 'inbound-interface', 'interface-name', interface_wc]) self.cli_set(['firewall', 'ipv4', 'input', 'filter', 'rule', '6', 'action', 'return']) self.cli_set(['firewall', 'ipv4', 'input', 'filter', 'rule', '6', 'protocol', 'gre']) self.cli_set(['firewall', 'ipv4', 'input', 'filter', 'rule', '6', 'connection-mark', conn_mark]) self.cli_set(['firewall', 'ipv4', 'output', 'filter', 'default-action', 'drop']) self.cli_set(['firewall', 'ipv4', 'output', 'filter', 'enable-default-log']) self.cli_set(['firewall', 'ipv4', 'output', 'filter', 'rule', '5', 'action', 'drop']) self.cli_set(['firewall', 'ipv4', 'output', 'filter', 'rule', '5', 'protocol', 'gre']) self.cli_set(['firewall', 'ipv4', 'output', 'filter', 'rule', '5', 'outbound-interface', 'interface-name', interface_inv]) self.cli_set(['firewall', 'ipv4', 'output', 'filter', 'rule', '6', 'action', 'return']) self.cli_set(['firewall', 'ipv4', 'output', 'filter', 'rule', '6', 'protocol', 'icmp']) self.cli_set(['firewall', 'ipv4', 'output', 'filter', 'rule', '6', 'connection-mark', conn_mark]) self.cli_commit() mark_hex = "{0:#010x}".format(int(conn_mark)) nftables_search = [ ['chain VYOS_FORWARD_filter'], ['type filter hook forward priority filter; policy accept;'], ['tcp dport 22', 'limit rate 5/minute', 'accept'], ['tcp dport 22', 'add @RECENT_FWD_filter_4 { ip saddr limit rate over 10/minute burst 10 packets }', 'meta pkttype host', 'drop'], ['log prefix "[ipv4-FWD-filter-default-D]"','FWD-filter default-action drop', 'drop'], ['chain VYOS_INPUT_filter'], ['type filter hook input priority filter; policy accept;'], ['tcp flags & syn == syn', f'tcp option maxseg size {mss_range}', f'iifname "{interface_wc}"', 'meta pkttype broadcast', 'accept'], ['meta l4proto gre', f'ct mark {mark_hex}', 'return'], ['INP-filter default-action accept', 'accept'], ['chain VYOS_OUTPUT_filter'], ['type filter hook output priority filter; policy accept;'], ['meta l4proto gre', f'oifname != "{interface}"', 'drop'], ['meta l4proto icmp', f'ct mark {mark_hex}', 'return'], ['log prefix "[ipv4-OUT-filter-default-D]"','OUT-filter default-action drop', 'drop'], ['chain NAME_smoketest'], ['saddr 172.16.20.10', 'daddr 172.16.10.10', 'log prefix "[ipv4-NAM-smoketest-1-A]" log level debug', 'ip ttl 15', 'accept'], ['tcp flags syn / syn,ack', 'tcp dport 8888', 'log prefix "[ipv4-NAM-smoketest-2-R]" log level err', 'ip ttl > 102', 'reject'], ['log prefix "[ipv4-smoketest-default-D]"','smoketest default-action', 'drop'] ] self.verify_nftables(nftables_search, 'ip vyos_filter') def test_ipv4_advanced(self): name = 'smoketest-adv' name2 = 'smoketest-adv2' interface = 'eth0' self.cli_set(['firewall', 'ipv4', 'name', name, 'default-action', 'drop']) self.cli_set(['firewall', 'ipv4', 'name', name, 'enable-default-log']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '6', 'action', 'accept']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '6', 'packet-length', '64']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '6', 'packet-length', '512']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '6', 'packet-length', '1024']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '6', 'dscp', '17']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '6', 'dscp', '52']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '6', 'log', 'enable']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '6', 'log-options', 'group', '66']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '6', 'log-options', 'snapshot-length', '6666']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '6', 'log-options', 'queue-threshold','32000']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '7', 'action', 'accept']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '7', 'packet-length', '1-30000']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '7', 'packet-length-exclude', '60000-65535']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '7', 'dscp', '3-11']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '7', 'dscp-exclude', '21-25']) self.cli_set(['firewall', 'ipv4', 'forward', 'filter', 'default-action', 'drop']) self.cli_set(['firewall', 'ipv4', 'forward', 'filter', 'rule', '1', 'source', 'address', '198.51.100.1']) self.cli_set(['firewall', 'ipv4', 'forward', 'filter', 'rule', '1', 'mark', '1010']) self.cli_set(['firewall', 'ipv4', 'forward', 'filter', 'rule', '1', 'action', 'jump']) self.cli_set(['firewall', 'ipv4', 'forward', 'filter', 'rule', '1', 'jump-target', name]) self.cli_set(['firewall', 'ipv4', 'input', 'filter', 'rule', '2', 'protocol', 'tcp']) self.cli_set(['firewall', 'ipv4', 'input', 'filter', 'rule', '2', 'mark', '!98765']) self.cli_set(['firewall', 'ipv4', 'input', 'filter', 'rule', '2', 'action', 'queue']) self.cli_set(['firewall', 'ipv4', 'input', 'filter', 'rule', '2', 'queue', '3']) self.cli_set(['firewall', 'ipv4', 'input', 'filter', 'rule', '3', 'protocol', 'udp']) self.cli_set(['firewall', 'ipv4', 'input', 'filter', 'rule', '3', 'action', 'queue']) self.cli_set(['firewall', 'ipv4', 'input', 'filter', 'rule', '3', 'queue-options', 'fanout']) self.cli_set(['firewall', 'ipv4', 'input', 'filter', 'rule', '3', 'queue-options', 'bypass']) self.cli_set(['firewall', 'ipv4', 'input', 'filter', 'rule', '3', 'queue', '0-15']) self.cli_commit() nftables_search = [ ['chain VYOS_FORWARD_filter'], ['type filter hook forward priority filter; policy accept;'], ['ip saddr 198.51.100.1', 'meta mark 0x000003f2', f'jump NAME_{name}'], ['FWD-filter default-action drop', 'drop'], ['chain VYOS_INPUT_filter'], ['type filter hook input priority filter; policy accept;'], ['meta mark != 0x000181cd', 'meta l4proto tcp','queue to 3'], ['meta l4proto udp','queue flags bypass,fanout to 0-15'], ['INP-filter default-action accept', 'accept'], [f'chain NAME_{name}'], ['ip length { 64, 512, 1024 }', 'ip dscp { 0x11, 0x34 }', f'log prefix "[ipv4-NAM-{name}-6-A]" log group 66 snaplen 6666 queue-threshold 32000', 'accept'], ['ip length 1-30000', 'ip length != 60000-65535', 'ip dscp 0x03-0x0b', 'ip dscp != 0x15-0x19', 'accept'], [f'log prefix "[ipv4-{name}-default-D]"', 'drop'] ] self.verify_nftables(nftables_search, 'ip vyos_filter') def test_ipv4_synproxy(self): tcp_mss = '1460' tcp_wscale = '7' dport = '22' self.cli_set(['firewall', 'ipv4', 'input', 'filter', 'rule', '10', 'action', 'drop']) self.cli_set(['firewall', 'ipv4', 'input', 'filter', 'rule', '10', 'protocol', 'tcp']) self.cli_set(['firewall', 'ipv4', 'input', 'filter', 'rule', '10', 'destination', 'port', dport]) self.cli_set(['firewall', 'ipv4', 'input', 'filter', 'rule', '10', 'synproxy', 'tcp', 'mss', tcp_mss]) self.cli_set(['firewall', 'ipv4', 'input', 'filter', 'rule', '10', 'synproxy', 'tcp', 'window-scale', tcp_wscale]) with self.assertRaises(ConfigSessionError): self.cli_commit() self.cli_set(['firewall', 'ipv4', 'input', 'filter', 'rule', '10', 'action', 'synproxy']) self.cli_commit() nftables_search = [ [f'tcp dport {dport} ct state invalid,untracked', f'synproxy mss {tcp_mss} wscale {tcp_wscale} timestamp sack-perm'] ] 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', 'ipv4', 'name', name, 'default-action', 'drop']) self.cli_set(['firewall', 'ipv4', 'name', name, 'enable-default-log']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '1', 'action', 'drop']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '1', 'destination', 'address', '0.0.1.2']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '1', 'destination', 'address-mask', '0.0.255.255']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '2', 'action', 'accept']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '2', 'source', 'address', '!0.0.3.4']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '2', 'source', 'address-mask', '0.0.255.255']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '3', 'action', 'drop']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '3', 'source', 'group', 'address-group', 'mask_group']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '3', 'source', 'address-mask', '0.0.255.255']) 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' 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', 'accept']) self.cli_set(['firewall', 'ipv6', 'name', name, 'rule', '1', 'source', 'address', '2002::1']) self.cli_set(['firewall', 'ipv6', 'name', name, 'rule', '1', 'destination', 'address', '2002::1:1']) self.cli_set(['firewall', 'ipv6', 'name', name, 'rule', '1', 'log', 'enable']) self.cli_set(['firewall', 'ipv6', 'name', name, 'rule', '1', 'log-options', 'level', 'crit']) self.cli_set(['firewall', 'ipv6', 'forward', 'filter', 'default-action', 'accept']) self.cli_set(['firewall', 'ipv6', 'forward', 'filter', 'enable-default-log']) self.cli_set(['firewall', 'ipv6', 'forward', 'filter', 'rule', '2', 'action', 'reject']) self.cli_set(['firewall', 'ipv6', 'forward', 'filter', 'rule', '2', 'protocol', 'tcp_udp']) self.cli_set(['firewall', 'ipv6', 'forward', 'filter', 'rule', '2', 'destination', 'port', '8888']) self.cli_set(['firewall', 'ipv6', 'forward', 'filter', 'rule', '2', 'inbound-interface', 'interface-name', interface]) self.cli_set(['firewall', 'ipv6', 'output', 'filter', 'default-action', 'drop']) self.cli_set(['firewall', 'ipv6', 'output', 'filter', 'enable-default-log']) self.cli_set(['firewall', 'ipv6', 'output', 'filter', 'rule', '3', 'action', 'return']) self.cli_set(['firewall', 'ipv6', 'output', 'filter', 'rule', '3', 'protocol', 'gre']) self.cli_set(['firewall', 'ipv6', 'output', 'filter', 'rule', '3', 'outbound-interface', 'interface-name', interface]) self.cli_set(['firewall', 'ipv6', 'input', 'filter', 'rule', '3', 'action', 'accept']) self.cli_set(['firewall', 'ipv6', 'input', 'filter', 'rule', '3', 'protocol', 'udp']) self.cli_set(['firewall', 'ipv6', 'input', 'filter', 'rule', '3', 'source', 'address', '2002::1:2']) self.cli_set(['firewall', 'ipv6', 'input', 'filter', 'rule', '3', 'inbound-interface', 'interface-name', interface]) self.cli_commit() nftables_search = [ ['chain VYOS_IPV6_FORWARD_filter'], ['type filter hook forward priority filter; policy accept;'], ['meta l4proto { tcp, udp }', 'th dport 8888', f'iifname "{interface}"', 'reject'], ['log prefix "[ipv6-FWD-filter-default-A]"','FWD-filter default-action accept', 'accept'], ['chain VYOS_IPV6_INPUT_filter'], ['type filter hook input priority filter; policy accept;'], ['meta l4proto udp', 'ip6 saddr 2002::1:2', f'iifname "{interface}"', 'accept'], ['INP-filter default-action accept', 'accept'], ['chain VYOS_IPV6_OUTPUT_filter'], ['type filter hook output priority filter; policy accept;'], ['meta l4proto gre', f'oifname "{interface}"', 'return'], ['log prefix "[ipv6-OUT-filter-default-D]"','OUT-filter default-action drop', 'drop'], [f'chain NAME6_{name}'], ['saddr 2002::1', 'daddr 2002::1:1', 'log prefix "[ipv6-NAM-v6-smoketest-1-A]" log level crit', 'accept'], [f'"{name} default-action drop"', f'log prefix "[ipv6-{name}-default-D]"', 'drop'] ] self.verify_nftables(nftables_search, 'ip6 vyos_filter') def test_ipv6_advanced(self): name = 'v6-smoketest-adv' name2 = 'v6-smoketest-adv2' interface = 'eth0' 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', '3', 'action', 'accept']) self.cli_set(['firewall', 'ipv6', 'name', name, 'rule', '3', 'packet-length', '65']) self.cli_set(['firewall', 'ipv6', 'name', name, 'rule', '3', 'packet-length', '513']) self.cli_set(['firewall', 'ipv6', 'name', name, 'rule', '3', 'packet-length', '1025']) self.cli_set(['firewall', 'ipv6', 'name', name, 'rule', '3', 'dscp', '18']) self.cli_set(['firewall', 'ipv6', 'name', name, 'rule', '3', 'dscp', '53']) self.cli_set(['firewall', 'ipv6', 'forward', 'filter', 'rule', '4', 'action', 'accept']) self.cli_set(['firewall', 'ipv6', 'forward', 'filter', 'rule', '4', 'packet-length', '1-1999']) self.cli_set(['firewall', 'ipv6', 'forward', 'filter', 'rule', '4', 'packet-length-exclude', '60000-65535']) self.cli_set(['firewall', 'ipv6', 'forward', 'filter', 'rule', '4', 'dscp', '4-14']) self.cli_set(['firewall', 'ipv6', 'forward', 'filter', 'rule', '4', 'dscp-exclude', '31-35']) self.cli_set(['firewall', 'ipv6', 'input', 'filter', 'default-action', 'accept']) self.cli_set(['firewall', 'ipv6', 'input', 'filter', 'rule', '1', 'source', 'address', '2001:db8::/64']) self.cli_set(['firewall', 'ipv6', 'input', 'filter', 'rule', '1', 'mark', '!6655-7766']) self.cli_set(['firewall', 'ipv6', 'input', 'filter', 'rule', '1', 'action', 'jump']) self.cli_set(['firewall', 'ipv6', 'input', 'filter', 'rule', '1', 'jump-target', name]) self.cli_commit() nftables_search = [ ['chain VYOS_IPV6_FORWARD_filter'], ['type filter hook forward priority filter; policy accept;'], ['ip6 length 1-1999', 'ip6 length != 60000-65535', 'ip6 dscp 0x04-0x0e', 'ip6 dscp != 0x1f-0x23', 'accept'], ['chain VYOS_IPV6_INPUT_filter'], ['type filter hook input priority filter; policy accept;'], ['ip6 saddr 2001:db8::/64', 'meta mark != 0x000019ff-0x00001e56', f'jump NAME6_{name}'], [f'chain NAME6_{name}'], ['ip6 length { 65, 513, 1025 }', 'ip6 dscp { af21, 0x35 }', 'accept'], [f'log prefix "[ipv6-{name}-default-D]"', 'drop'] ] 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_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_ipv4_state_and_status_rules(self): name = 'smoketest-state' interface = 'eth0' self.cli_set(['firewall', 'ipv4', 'name', name, 'default-action', 'drop']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '1', 'action', 'accept']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '1', 'state', 'established', 'enable']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '1', 'state', 'related', 'enable']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '2', 'action', 'reject']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '2', 'state', 'invalid', 'enable']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '3', 'action', 'accept']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '3', 'state', 'new', 'enable']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '3', 'connection-status', 'nat', 'destination']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '4', 'action', 'accept']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '4', 'state', 'new', 'enable']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '4', 'state', 'established', 'enable']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '4', 'connection-status', 'nat', 'source']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '5', 'action', 'accept']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '5', 'state', 'related', 'enable']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '5', 'conntrack-helper', 'ftp']) self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '5', 'conntrack-helper', 'pptp']) self.cli_commit() nftables_search = [ ['ct state { established, related }', 'accept'], ['ct state invalid', 'reject'], ['ct state new', 'ct status dnat', 'accept'], ['ct state { established, new }', 'ct status snat', 'accept'], ['ct state related', 'ct helper { "ftp", "pptp" }', 'accept'], ['drop', f'comment "{name} default-action drop"'] ] self.verify_nftables(nftables_search, 'ip vyos_filter') # Check conntrack self.verify_nftables_chain([['accept']], 'ip vyos_conntrack', 'FW_CONNTRACK') self.verify_nftables_chain([['return']], 'ip6 vyos_conntrack', 'FW_CONNTRACK') def test_bridge_basic_rules(self): name = 'smoketest' interface_in = 'eth0' mac_address = '00:53:00:00:00:01' vlan_id = '12' vlan_prior = '3' self.cli_set(['firewall', 'bridge', 'name', name, 'default-action', 'accept']) self.cli_set(['firewall', 'bridge', 'name', name, 'enable-default-log']) self.cli_set(['firewall', 'bridge', 'name', name, 'rule', '1', 'action', 'accept']) self.cli_set(['firewall', 'bridge', 'name', name, 'rule', '1', 'source', 'mac-address', mac_address]) self.cli_set(['firewall', 'bridge', 'name', name, 'rule', '1', 'inbound-interface', 'interface-name', interface_in]) self.cli_set(['firewall', 'bridge', 'name', name, 'rule', '1', 'log', 'enable']) self.cli_set(['firewall', 'bridge', 'name', name, 'rule', '1', 'log-options', 'level', 'crit']) self.cli_set(['firewall', 'bridge', 'forward', 'filter', 'default-action', 'drop']) self.cli_set(['firewall', 'bridge', 'forward', 'filter', 'rule', '1', 'action', 'accept']) self.cli_set(['firewall', 'bridge', 'forward', 'filter', 'rule', '1', 'vlan', 'id', vlan_id]) self.cli_set(['firewall', 'bridge', 'forward', 'filter', 'rule', '2', 'action', 'jump']) self.cli_set(['firewall', 'bridge', 'forward', 'filter', 'rule', '2', 'jump-target', name]) self.cli_set(['firewall', 'bridge', 'forward', 'filter', 'rule', '2', 'vlan', 'priority', vlan_prior]) self.cli_commit() nftables_search = [ ['chain VYOS_FORWARD_filter'], ['type filter hook forward priority filter; policy drop;'], [f'vlan id {vlan_id}', 'accept'], [f'vlan pcp {vlan_prior}', f'jump NAME_{name}'], [f'chain NAME_{name}'], [f'ether saddr {mac_address}', f'iifname "{interface_in}"', f'log prefix "[bri-NAM-{name}-1-A]" log level crit', 'accept'] ] self.verify_nftables(nftables_search, 'bridge vyos_filter') def test_source_validation(self): # Strict self.cli_set(['firewall', 'global-options', 'source-validation', 'strict']) self.cli_set(['firewall', 'global-options', 'ipv6-source-validation', 'strict']) self.cli_commit() nftables_strict_search = [ ['fib saddr . iif oif 0', 'drop'] ] self.verify_nftables_chain(nftables_strict_search, 'ip raw', 'vyos_global_rpfilter') self.verify_nftables_chain(nftables_strict_search, 'ip6 raw', 'vyos_global_rpfilter') # Loose self.cli_set(['firewall', 'global-options', 'source-validation', 'loose']) self.cli_set(['firewall', 'global-options', 'ipv6-source-validation', 'loose']) self.cli_commit() nftables_loose_search = [ ['fib saddr oif 0', 'drop'] ] self.verify_nftables_chain(nftables_loose_search, 'ip raw', 'vyos_global_rpfilter') self.verify_nftables_chain(nftables_loose_search, 'ip6 raw', 'vyos_global_rpfilter') def test_sysfs(self): for name, conf in sysfs_config.items(): paths = glob(conf['sysfs']) for path in paths: with open(path, 'r') as f: self.assertEqual(f.read().strip(), conf['default'], msg=path) self.cli_set(['firewall', 'global-options', name.replace("_", "-"), conf['test_value']]) self.cli_commit() for name, conf in sysfs_config.items(): paths = glob(conf['sysfs']) for path in paths: with open(path, 'r') as f: self.assertNotEqual(f.read().strip(), conf['default'], msg=path) +### Zone + def test_zone_basic(self): + self.cli_set(['firewall', 'ipv4', 'name', 'smoketest', 'default-action', 'drop']) + self.cli_set(['firewall', 'zone', 'smoketest-eth0', 'interface', 'eth0']) + self.cli_set(['firewall', 'zone', 'smoketest-eth0', 'from', 'smoketest-local', 'firewall', 'name', 'smoketest']) + self.cli_set(['firewall', 'zone', 'smoketest-local', 'local-zone']) + self.cli_set(['firewall', 'zone', 'smoketest-local', 'from', 'smoketest-eth0', 'firewall', 'name', 'smoketest']) + + self.cli_commit() + + nftables_search = [ + ['chain VYOS_ZONE_FORWARD'], + ['type filter hook forward priority filter + 1'], + ['chain VYOS_ZONE_OUTPUT'], + ['type filter hook output priority filter + 1'], + ['chain VYOS_ZONE_LOCAL'], + ['type filter hook input priority filter + 1'], + ['chain VZONE_smoketest-eth0'], + ['chain VZONE_smoketest-local_IN'], + ['chain VZONE_smoketest-local_OUT'], + ['oifname "eth0"', 'jump VZONE_smoketest-eth0'], + ['jump VZONE_smoketest-local_IN'], + ['jump VZONE_smoketest-local_OUT'], + ['iifname "eth0"', 'jump NAME_smoketest'], + ['oifname "eth0"', 'jump NAME_smoketest'] + ] + + nftables_output = cmd('sudo nft list table ip vyos_filter') + + for search in nftables_search: + matched = False + for line in nftables_output.split("\n"): + if all(item in line for item in search): + matched = True + break + self.assertTrue(matched) + + def test_flow_offload(self): self.cli_set(['firewall', 'flowtable', 'smoketest', 'interface', 'eth0']) self.cli_set(['firewall', 'flowtable', 'smoketest', 'offload', 'hardware']) # QEMU virtual NIC does not support hw-tc-offload with self.assertRaises(ConfigSessionError): self.cli_commit() self.cli_set(['firewall', 'flowtable', 'smoketest', 'offload', 'software']) self.cli_set(['firewall', 'ipv4', 'forward', 'filter', 'rule', '1', 'action', 'offload']) self.cli_set(['firewall', 'ipv4', 'forward', 'filter', 'rule', '1', 'offload-target', 'smoketest']) self.cli_set(['firewall', 'ipv4', 'forward', 'filter', 'rule', '1', 'protocol', 'tcp_udp']) self.cli_set(['firewall', 'ipv4', 'forward', 'filter', 'rule', '1', 'state', 'established', 'enable']) self.cli_set(['firewall', 'ipv4', 'forward', 'filter', 'rule', '1', 'state', 'related', 'enable']) self.cli_set(['firewall', 'ipv6', 'forward', 'filter', 'rule', '1', 'action', 'offload']) self.cli_set(['firewall', 'ipv6', 'forward', 'filter', 'rule', '1', 'offload-target', 'smoketest']) self.cli_set(['firewall', 'ipv6', 'forward', 'filter', 'rule', '1', 'protocol', 'tcp_udp']) self.cli_set(['firewall', 'ipv6', 'forward', 'filter', 'rule', '1', 'state', 'established', 'enable']) self.cli_set(['firewall', 'ipv6', 'forward', 'filter', 'rule', '1', 'state', 'related', 'enable']) self.cli_commit() nftables_search = [ ['flowtable VYOS_FLOWTABLE_smoketest'], ['hook ingress priority filter'], ['devices = { eth0 }'], ['ct state { established, related }', 'meta l4proto { tcp, udp }', 'flow add @VYOS_FLOWTABLE_smoketest'], ] self.verify_nftables(nftables_search, 'ip vyos_filter') self.verify_nftables(nftables_search, 'ip6 vyos_filter') # Check conntrack self.verify_nftables_chain([['accept']], 'ip vyos_conntrack', 'FW_CONNTRACK') self.verify_nftables_chain([['accept']], 'ip6 vyos_conntrack', 'FW_CONNTRACK') if __name__ == '__main__': unittest.main(verbosity=2) diff --git a/src/conf_mode/firewall.py b/src/conf_mode/firewall.py index f6480ab0a..9791cf009 100755 --- a/src/conf_mode/firewall.py +++ b/src/conf_mode/firewall.py @@ -1,438 +1,508 @@ #!/usr/bin/env python3 # # Copyright (C) 2021-2023 VyOS maintainers and contributors # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License version 2 or later as # published by the Free Software Foundation. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. import os import re from glob import glob from json import loads from sys import exit from vyos.base import Warning from vyos.config import Config from vyos.configdict import node_changed from vyos.configdiff import get_config_diff, Diff from vyos.configdep import set_dependents, call_dependents from vyos.configverify import verify_interface_exists from vyos.ethtool import Ethtool from vyos.firewall import fqdn_config_parse from vyos.firewall import geoip_update from vyos.template import render from vyos.utils.process import call from vyos.utils.process import cmd from vyos.utils.dict import dict_search_args from vyos.utils.dict import dict_search_recursive from vyos.utils.process import process_named_running from vyos.utils.process import rc_cmd from vyos import ConfigError from vyos import airbag airbag.enable() nat_conf_script = 'nat.py' policy_route_conf_script = 'policy-route.py' nftables_conf = '/run/nftables.conf' sysfs_config = { 'all_ping': {'sysfs': '/proc/sys/net/ipv4/icmp_echo_ignore_all', 'enable': '0', 'disable': '1'}, 'broadcast_ping': {'sysfs': '/proc/sys/net/ipv4/icmp_echo_ignore_broadcasts', 'enable': '0', 'disable': '1'}, 'ip_src_route': {'sysfs': '/proc/sys/net/ipv4/conf/*/accept_source_route'}, 'ipv6_receive_redirects': {'sysfs': '/proc/sys/net/ipv6/conf/*/accept_redirects'}, 'ipv6_src_route': {'sysfs': '/proc/sys/net/ipv6/conf/*/accept_source_route', 'enable': '0', 'disable': '-1'}, 'log_martians': {'sysfs': '/proc/sys/net/ipv4/conf/all/log_martians'}, 'receive_redirects': {'sysfs': '/proc/sys/net/ipv4/conf/*/accept_redirects'}, 'send_redirects': {'sysfs': '/proc/sys/net/ipv4/conf/*/send_redirects'}, 'syn_cookies': {'sysfs': '/proc/sys/net/ipv4/tcp_syncookies'}, 'twa_hazards_protection': {'sysfs': '/proc/sys/net/ipv4/tcp_rfc1337'} } valid_groups = [ 'address_group', 'domain_group', 'network_group', 'port_group', 'interface_group' ] nested_group_types = [ 'address_group', 'network_group', 'mac_group', 'port_group', 'ipv6_address_group', 'ipv6_network_group' ] snmp_change_type = { 'unknown': 0, 'add': 1, 'delete': 2, 'change': 3 } snmp_event_source = 1 snmp_trap_mib = 'VYATTA-TRAP-MIB' snmp_trap_name = 'mgmtEventTrap' def geoip_updated(conf, firewall): diff = get_config_diff(conf) node_diff = diff.get_child_nodes_diff(['firewall'], expand_nodes=Diff.DELETE, recursive=True) out = { 'name': [], 'ipv6_name': [], 'deleted_name': [], 'deleted_ipv6_name': [] } updated = False for key, path in dict_search_recursive(firewall, 'geoip'): set_name = f'GEOIP_CC_{path[1]}_{path[2]}_{path[4]}' if (path[0] == 'ipv4'): out['name'].append(set_name) elif (path[0] == 'ipv6'): set_name = f'GEOIP_CC6_{path[1]}_{path[2]}_{path[4]}' out['ipv6_name'].append(set_name) updated = True if 'delete' in node_diff: for key, path in dict_search_recursive(node_diff['delete'], 'geoip'): set_name = f'GEOIP_CC_{path[1]}_{path[2]}_{path[4]}' if (path[0] == 'ipv4'): out['deleted_name'].append(set_name) elif (path[0] == 'ipv6'): set_name = f'GEOIP_CC_{path[1]}_{path[2]}_{path[4]}' out['deleted_ipv6_name'].append(set_name) updated = True if updated: return out return False def get_config(config=None): if config: conf = config else: conf = Config() base = ['firewall'] firewall = conf.get_config_dict(base, key_mangling=('-', '_'), no_tag_node_value_mangle=True, get_first_key=True, with_recursive_defaults=True) firewall['group_resync'] = bool('group' in firewall or node_changed(conf, base + ['group'])) if firewall['group_resync']: # Update nat and policy-route as firewall groups were updated set_dependents('group_resync', conf) firewall['geoip_updated'] = geoip_updated(conf, firewall) fqdn_config_parse(firewall) set_dependents('conntrack', conf) return firewall def verify_rule(firewall, rule_conf, ipv6): if 'action' not in rule_conf: raise ConfigError('Rule action must be defined') if 'jump' in rule_conf['action'] and 'jump_target' not in rule_conf: raise ConfigError('Action set to jump, but no jump-target specified') if 'jump_target' in rule_conf: if 'jump' not in rule_conf['action']: raise ConfigError('jump-target defined, but action jump needed and it is not defined') target = rule_conf['jump_target'] if not ipv6: if target not in dict_search_args(firewall, 'ipv4', 'name'): raise ConfigError(f'Invalid jump-target. Firewall name {target} does not exist on the system') else: if target not in dict_search_args(firewall, 'ipv6', 'name'): raise ConfigError(f'Invalid jump-target. Firewall ipv6 name {target} does not exist on the system') if rule_conf['action'] == 'offload': if 'offload_target' not in rule_conf: raise ConfigError('Action set to offload, but no offload-target specified') offload_target = rule_conf['offload_target'] if not dict_search_args(firewall, 'flowtable', offload_target): raise ConfigError(f'Invalid offload-target. Flowtable "{offload_target}" does not exist on the system') if rule_conf['action'] != 'synproxy' and 'synproxy' in rule_conf: raise ConfigError('"synproxy" option allowed only for action synproxy') if rule_conf['action'] == 'synproxy': if 'state' in rule_conf: raise ConfigError('For action "synproxy" state cannot be defined') if not rule_conf.get('synproxy', {}).get('tcp'): raise ConfigError('synproxy TCP MSS is not defined') if rule_conf.get('protocol', {}) != 'tcp': raise ConfigError('For action "synproxy" the protocol must be set to TCP') if 'queue_options' in rule_conf: if 'queue' not in rule_conf['action']: raise ConfigError('queue-options defined, but action queue needed and it is not defined') if 'fanout' in rule_conf['queue_options'] and ('queue' not in rule_conf or '-' not in rule_conf['queue']): raise ConfigError('queue-options fanout defined, then queue needs to be defined as a range') if 'queue' in rule_conf and 'queue' not in rule_conf['action']: raise ConfigError('queue defined, but action queue needed and it is not defined') if 'fragment' in rule_conf: if {'match_frag', 'match_non_frag'} <= set(rule_conf['fragment']): raise ConfigError('Cannot specify both "match-frag" and "match-non-frag"') if 'limit' in rule_conf: if 'rate' in rule_conf['limit']: rate_int = re.sub(r'\D', '', rule_conf['limit']['rate']) if int(rate_int) < 1: raise ConfigError('Limit rate integer cannot be less than 1') if 'ipsec' in rule_conf: if {'match_ipsec', 'match_non_ipsec'} <= set(rule_conf['ipsec']): raise ConfigError('Cannot specify both "match-ipsec" and "match-non-ipsec"') if 'recent' in rule_conf: if not {'count', 'time'} <= set(rule_conf['recent']): raise ConfigError('Recent "count" and "time" values must be defined') tcp_flags = dict_search_args(rule_conf, 'tcp', 'flags') if tcp_flags: if dict_search_args(rule_conf, 'protocol') != 'tcp': raise ConfigError('Protocol must be tcp when specifying tcp flags') not_flags = dict_search_args(rule_conf, 'tcp', 'flags', 'not') if not_flags: duplicates = [flag for flag in tcp_flags if flag in not_flags] if duplicates: raise ConfigError(f'Cannot match a tcp flag as set and not set') if 'protocol' in rule_conf: if rule_conf['protocol'] == 'icmp' and ipv6: raise ConfigError(f'Cannot match IPv4 ICMP protocol on IPv6, use ipv6-icmp') if rule_conf['protocol'] == 'ipv6-icmp' and not ipv6: raise ConfigError(f'Cannot match IPv6 ICMP protocol on IPv4, use icmp') for side in ['destination', 'source']: if side in rule_conf: side_conf = rule_conf[side] if len({'address', 'fqdn', 'geoip'} & set(side_conf)) > 1: raise ConfigError('Only one of address, fqdn or geoip can be specified') if 'group' in side_conf: if len({'address_group', 'network_group', 'domain_group'} & set(side_conf['group'])) > 1: raise ConfigError('Only one address-group, network-group or domain-group can be specified') for group in valid_groups: if group in side_conf['group']: group_name = side_conf['group'][group] fw_group = f'ipv6_{group}' if ipv6 and group in ['address_group', 'network_group'] else group error_group = fw_group.replace("_", "-") if group in ['address_group', 'network_group', 'domain_group']: types = [t for t in ['address', 'fqdn', 'geoip'] if t in side_conf] if types: raise ConfigError(f'{error_group} and {types[0]} cannot both be defined') if group_name and group_name[0] == '!': group_name = group_name[1:] group_obj = dict_search_args(firewall, 'group', fw_group, group_name) if group_obj is None: raise ConfigError(f'Invalid {error_group} "{group_name}" on firewall rule') if not group_obj: Warning(f'{error_group} "{group_name}" has no members!') if 'port' in side_conf or dict_search_args(side_conf, 'group', 'port_group'): if 'protocol' not in rule_conf: raise ConfigError('Protocol must be defined if specifying a port or port-group') if rule_conf['protocol'] not in ['tcp', 'udp', 'tcp_udp']: raise ConfigError('Protocol must be tcp, udp, or tcp_udp when specifying a port or port-group') if 'port' in side_conf and dict_search_args(side_conf, 'group', 'port_group'): raise ConfigError(f'{side} port-group and port cannot both be defined') if 'log_options' in rule_conf: if 'log' not in rule_conf or 'enable' not in rule_conf['log']: raise ConfigError('log-options defined, but log is not enable') if 'snapshot_length' in rule_conf['log_options'] and 'group' not in rule_conf['log_options']: raise ConfigError('log-options snapshot-length defined, but log group is not define') if 'queue_threshold' in rule_conf['log_options'] and 'group' not in rule_conf['log_options']: raise ConfigError('log-options queue-threshold defined, but log group is not define') for direction in ['inbound_interface','outbound_interface']: if direction in rule_conf: if 'interface_name' in rule_conf[direction] and 'interface_group' in rule_conf[direction]: raise ConfigError(f'Cannot specify both interface-group and interface-name for {direction}') def verify_nested_group(group_name, group, groups, seen): if 'include' not in group: return seen.append(group_name) for g in group['include']: if g not in groups: raise ConfigError(f'Nested group "{g}" does not exist') if g in seen: raise ConfigError(f'Group "{group_name}" has a circular reference') if 'include' in groups[g]: verify_nested_group(g, groups[g], groups, seen) def verify_hardware_offload(ifname): ethtool = Ethtool(ifname) enabled, fixed = ethtool.get_hw_tc_offload() if not enabled and fixed: raise ConfigError(f'Interface "{ifname}" does not support hardware offload') if not enabled: raise ConfigError(f'Interface "{ifname}" requires "offload hw-tc-offload"') def verify(firewall): if 'flowtable' in firewall: for flowtable, flowtable_conf in firewall['flowtable'].items(): if 'interface' not in flowtable_conf: raise ConfigError(f'Flowtable "{flowtable}" requires at least one interface') for ifname in flowtable_conf['interface']: verify_interface_exists(ifname) if dict_search_args(flowtable_conf, 'offload') == 'hardware': interfaces = flowtable_conf['interface'] for ifname in interfaces: verify_hardware_offload(ifname) if 'group' in firewall: for group_type in nested_group_types: if group_type in firewall['group']: groups = firewall['group'][group_type] for group_name, group in groups.items(): verify_nested_group(group_name, group, groups, []) if 'ipv4' in firewall: for name in ['name','forward','input','output']: if name in firewall['ipv4']: for name_id, name_conf in firewall['ipv4'][name].items(): if 'jump' in name_conf['default_action'] and 'default_jump_target' not in name_conf: raise ConfigError('default-action set to jump, but no default-jump-target specified') if 'default_jump_target' in name_conf: target = name_conf['default_jump_target'] if 'jump' not in name_conf['default_action']: raise ConfigError('default-jump-target defined, but default-action jump needed and it is not defined') if name_conf['default_jump_target'] == name_id: raise ConfigError(f'Loop detected on default-jump-target.') ## Now need to check that default-jump-target exists (other firewall chain/name) if target not in dict_search_args(firewall['ipv4'], 'name'): raise ConfigError(f'Invalid jump-target. Firewall name {target} does not exist on the system') if 'rule' in name_conf: for rule_id, rule_conf in name_conf['rule'].items(): verify_rule(firewall, rule_conf, False) if 'ipv6' in firewall: for name in ['name','forward','input','output']: if name in firewall['ipv6']: for name_id, name_conf in firewall['ipv6'][name].items(): if 'jump' in name_conf['default_action'] and 'default_jump_target' not in name_conf: raise ConfigError('default-action set to jump, but no default-jump-target specified') if 'default_jump_target' in name_conf: target = name_conf['default_jump_target'] if 'jump' not in name_conf['default_action']: raise ConfigError('default-jump-target defined, but default-action jump needed and it is not defined') if name_conf['default_jump_target'] == name_id: raise ConfigError(f'Loop detected on default-jump-target.') ## Now need to check that default-jump-target exists (other firewall chain/name) if target not in dict_search_args(firewall['ipv6'], 'name'): raise ConfigError(f'Invalid jump-target. Firewall name {target} does not exist on the system') if 'rule' in name_conf: for rule_id, rule_conf in name_conf['rule'].items(): verify_rule(firewall, rule_conf, True) + #### ZONESSSS + local_zone = False + zone_interfaces = [] + + if 'zone' in firewall: + for zone, zone_conf in firewall['zone'].items(): + if 'local_zone' not in zone_conf and 'interface' not in zone_conf: + raise ConfigError(f'Zone "{zone}" has no interfaces and is not the local zone') + + if 'local_zone' in zone_conf: + if local_zone: + raise ConfigError('There cannot be multiple local zones') + if 'interface' in zone_conf: + raise ConfigError('Local zone cannot have interfaces assigned') + if 'intra_zone_filtering' in zone_conf: + raise ConfigError('Local zone cannot use intra-zone-filtering') + local_zone = True + + if 'interface' in zone_conf: + found_duplicates = [intf for intf in zone_conf['interface'] if intf in zone_interfaces] + + if found_duplicates: + raise ConfigError(f'Interfaces cannot be assigned to multiple zones') + + zone_interfaces += zone_conf['interface'] + + if 'intra_zone_filtering' in zone_conf: + intra_zone = zone_conf['intra_zone_filtering'] + + if len(intra_zone) > 1: + raise ConfigError('Only one intra-zone-filtering action must be specified') + + if 'firewall' in intra_zone: + v4_name = dict_search_args(intra_zone, 'firewall', 'name') + if v4_name and not dict_search_args(firewall, 'ipv4', 'name', v4_name): + raise ConfigError(f'Firewall name "{v4_name}" does not exist') + + v6_name = dict_search_args(intra_zone, 'firewall', 'ipv6_name') + if v6_name and not dict_search_args(firewall, 'ipv6', 'name', v6_name): + raise ConfigError(f'Firewall ipv6-name "{v6_name}" does not exist') + + if not v4_name and not v6_name: + raise ConfigError('No firewall names specified for intra-zone-filtering') + + if 'from' in zone_conf: + for from_zone, from_conf in zone_conf['from'].items(): + if from_zone not in firewall['zone']: + raise ConfigError(f'Zone "{zone}" refers to a non-existent or deleted zone "{from_zone}"') + + v4_name = dict_search_args(from_conf, 'firewall', 'name') + if v4_name and not dict_search_args(firewall, 'ipv4', 'name', v4_name): + raise ConfigError(f'Firewall name "{v4_name}" does not exist') + + v6_name = dict_search_args(from_conf, 'firewall', 'ipv6_name') + if v6_name and not dict_search_args(firewall, 'ipv6', 'name', v6_name): + raise ConfigError(f'Firewall ipv6-name "{v6_name}" does not exist') + return None def generate(firewall): if not os.path.exists(nftables_conf): firewall['first_install'] = True + if 'zone' in firewall: + for local_zone, local_zone_conf in firewall['zone'].items(): + if 'local_zone' not in local_zone_conf: + continue + + local_zone_conf['from_local'] = {} + + for zone, zone_conf in firewall['zone'].items(): + if zone == local_zone or 'from' not in zone_conf: + continue + if local_zone in zone_conf['from']: + local_zone_conf['from_local'][zone] = zone_conf['from'][local_zone] + render(nftables_conf, 'firewall/nftables.j2', firewall) return None def apply_sysfs(firewall): for name, conf in sysfs_config.items(): paths = glob(conf['sysfs']) value = None if name in firewall['global_options']: conf_value = firewall['global_options'][name] if conf_value in conf: value = conf[conf_value] elif conf_value == 'enable': value = '1' elif conf_value == 'disable': value = '0' if value: for path in paths: with open(path, 'w') as f: f.write(value) def apply(firewall): install_result, output = rc_cmd(f'nft -f {nftables_conf}') if install_result == 1: raise ConfigError(f'Failed to apply firewall: {output}') apply_sysfs(firewall) call_dependents() # T970 Enable a resolver (systemd daemon) that checks # domain-group/fqdn addresses and update entries for domains by timeout # If router loaded without internet connection or for synchronization domain_action = 'stop' if dict_search_args(firewall, 'group', 'domain_group') or firewall['ip_fqdn'] or firewall['ip6_fqdn']: domain_action = 'restart' call(f'systemctl {domain_action} vyos-domain-resolver.service') if firewall['geoip_updated']: # Call helper script to Update set contents if 'name' in firewall['geoip_updated'] or 'ipv6_name' in firewall['geoip_updated']: print('Updating GeoIP. Please wait...') geoip_update(firewall) return None if __name__ == '__main__': try: c = get_config() verify(c) generate(c) apply(c) except ConfigError as e: print(e) exit(1) diff --git a/src/migration-scripts/firewall/10-to-11 b/src/migration-scripts/firewall/10-to-11 index 716c5a240..b739fb139 100755 --- a/src/migration-scripts/firewall/10-to-11 +++ b/src/migration-scripts/firewall/10-to-11 @@ -1,374 +1,189 @@ #!/usr/bin/env python3 # # Copyright (C) 2023 VyOS maintainers and contributors # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License version 2 or later as # published by the Free Software Foundation. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. # T5160: Firewall re-writing # cli changes from: # set firewall name <name> ... # set firewall ipv6-name <name> ... # To # set firewall ipv4 name <name> # set firewall ipv6 name <name> ## Also from 'firewall interface' removed. ## in and out: # set firewall interface <iface> [in|out] [name | ipv6-name] <name> # To # set firewall [ipv4 | ipv6] forward filter rule <5,10,15,...> [inbound-interface | outboubd-interface] interface-name <iface> # set firewall [ipv4 | ipv6] forward filter rule <5,10,15,...> action jump # set firewall [ipv4 | ipv6] forward filter rule <5,10,15,...> jump-target <name> ## local: # set firewall interface <iface> local [name | ipv6-name] <name> # To # set firewall [ipv4 | ipv6] input filter rule <5,10,15,...> inbound-interface interface-name <iface> # set firewall [ipv4 | ipv6] input filter rule <5,10,15,...> action jump # set firewall [ipv4 | ipv6] input filter rule <5,10,15,...> jump-target <name> import re from sys import argv from sys import exit from vyos.configtree import ConfigTree from vyos.ifconfig import Section if len(argv) < 2: print("Must specify file name!") exit(1) file_name = argv[1] with open(file_name, 'r') as f: config_file = f.read() base = ['firewall'] config = ConfigTree(config_file) if not config.exists(base): # Nothing to do exit(0) ### Migration of state policies if config.exists(base + ['state-policy']): for family in ['ipv4', 'ipv6']: for hook in ['forward', 'input', 'output']: for priority in ['filter']: # Add default-action== accept for compatibility reasons: config.set(base + [family, hook, priority, 'default-action'], value='accept') position = 1 for state in config.list_nodes(base + ['state-policy']): action = config.return_value(base + ['state-policy', state, 'action']) config.set(base + [family, hook, priority, 'rule']) config.set_tag(base + [family, hook, priority, 'rule']) config.set(base + [family, hook, priority, 'rule', position, 'state', state], value='enable') config.set(base + [family, hook, priority, 'rule', position, 'action'], value=action) position = position + 1 config.delete(base + ['state-policy']) ## migration of global options: for option in ['all-ping', 'broadcast-ping', 'config-trap', 'ip-src-route', 'ipv6-receive-redirects', 'ipv6-src-route', 'log-martians', 'receive-redirects', 'resolver-cache', 'resolver-internal', 'send-redirects', 'source-validation', 'syn-cookies', 'twa-hazards-protection']: if config.exists(base + [option]): if option != 'config-trap': val = config.return_value(base + [option]) config.set(base + ['global-options', option], value=val) config.delete(base + [option]) ### Migration of firewall name and ipv6-name if config.exists(base + ['name']): config.set(['firewall', 'ipv4', 'name']) config.set_tag(['firewall', 'ipv4', 'name']) for ipv4name in config.list_nodes(base + ['name']): config.copy(base + ['name', ipv4name], base + ['ipv4', 'name', ipv4name]) config.delete(base + ['name']) if config.exists(base + ['ipv6-name']): config.set(['firewall', 'ipv6', 'name']) config.set_tag(['firewall', 'ipv6', 'name']) for ipv6name in config.list_nodes(base + ['ipv6-name']): config.copy(base + ['ipv6-name', ipv6name], base + ['ipv6', 'name', ipv6name]) config.delete(base + ['ipv6-name']) ### Migration of firewall interface if config.exists(base + ['interface']): fwd_ipv4_rule = 5 inp_ipv4_rule = 5 fwd_ipv6_rule = 5 inp_ipv6_rule = 5 for iface in config.list_nodes(base + ['interface']): for direction in ['in', 'out', 'local']: if config.exists(base + ['interface', iface, direction]): if config.exists(base + ['interface', iface, direction, 'name']): target = config.return_value(base + ['interface', iface, direction, 'name']) if direction == 'in': # Add default-action== accept for compatibility reasons: config.set(base + ['ipv4', 'forward', 'filter', 'default-action'], value='accept') new_base = base + ['ipv4', 'forward', 'filter', 'rule'] config.set(new_base) config.set_tag(new_base) config.set(new_base + [fwd_ipv4_rule, 'inbound-interface', 'interface-name'], value=iface) config.set(new_base + [fwd_ipv4_rule, 'action'], value='jump') config.set(new_base + [fwd_ipv4_rule, 'jump-target'], value=target) fwd_ipv4_rule = fwd_ipv4_rule + 5 elif direction == 'out': # Add default-action== accept for compatibility reasons: config.set(base + ['ipv4', 'forward', 'filter', 'default-action'], value='accept') new_base = base + ['ipv4', 'forward', 'filter', 'rule'] config.set(new_base) config.set_tag(new_base) config.set(new_base + [fwd_ipv4_rule, 'outbound-interface', 'interface-name'], value=iface) config.set(new_base + [fwd_ipv4_rule, 'action'], value='jump') config.set(new_base + [fwd_ipv4_rule, 'jump-target'], value=target) fwd_ipv4_rule = fwd_ipv4_rule + 5 else: # Add default-action== accept for compatibility reasons: config.set(base + ['ipv4', 'input', 'filter', 'default-action'], value='accept') new_base = base + ['ipv4', 'input', 'filter', 'rule'] config.set(new_base) config.set_tag(new_base) config.set(new_base + [inp_ipv4_rule, 'inbound-interface', 'interface-name'], value=iface) config.set(new_base + [inp_ipv4_rule, 'action'], value='jump') config.set(new_base + [inp_ipv4_rule, 'jump-target'], value=target) inp_ipv4_rule = inp_ipv4_rule + 5 if config.exists(base + ['interface', iface, direction, 'ipv6-name']): target = config.return_value(base + ['interface', iface, direction, 'ipv6-name']) if direction == 'in': # Add default-action== accept for compatibility reasons: config.set(base + ['ipv6', 'forward', 'filter', 'default-action'], value='accept') new_base = base + ['ipv6', 'forward', 'filter', 'rule'] config.set(new_base) config.set_tag(new_base) config.set(new_base + [fwd_ipv6_rule, 'inbound-interface', 'interface-name'], value=iface) config.set(new_base + [fwd_ipv6_rule, 'action'], value='jump') config.set(new_base + [fwd_ipv6_rule, 'jump-target'], value=target) fwd_ipv6_rule = fwd_ipv6_rule + 5 elif direction == 'out': # Add default-action== accept for compatibility reasons: config.set(base + ['ipv6', 'forward', 'filter', 'default-action'], value='accept') new_base = base + ['ipv6', 'forward', 'filter', 'rule'] config.set(new_base) config.set_tag(new_base) config.set(new_base + [fwd_ipv6_rule, 'outbound-interface', 'interface-name'], value=iface) config.set(new_base + [fwd_ipv6_rule, 'action'], value='jump') config.set(new_base + [fwd_ipv6_rule, 'jump-target'], value=target) fwd_ipv6_rule = fwd_ipv6_rule + 5 else: new_base = base + ['ipv6', 'input', 'filter', 'rule'] # Add default-action== accept for compatibility reasons: config.set(base + ['ipv6', 'input', 'filter', 'default-action'], value='accept') config.set(new_base) config.set_tag(new_base) config.set(new_base + [inp_ipv6_rule, 'inbound-interface', 'interface-name'], value=iface) config.set(new_base + [inp_ipv6_rule, 'action'], value='jump') config.set(new_base + [inp_ipv6_rule, 'jump-target'], value=target) inp_ipv6_rule = inp_ipv6_rule + 5 config.delete(base + ['interface']) - -### Migration of zones: -### User interface groups -if config.exists(base + ['zone']): - inp_ipv4_rule = 101 - inp_ipv6_rule = 101 - fwd_ipv4_rule = 101 - fwd_ipv6_rule = 101 - out_ipv4_rule = 101 - out_ipv6_rule = 101 - local_zone = 'False' - - for zone in config.list_nodes(base + ['zone']): - if config.exists(base + ['zone', zone, 'local-zone']): - local_zone = 'True' - # Add default-action== accept for compatibility reasons: - config.set(base + ['ipv4', 'input', 'filter', 'default-action'], value='accept') - config.set(base + ['ipv6', 'input', 'filter', 'default-action'], value='accept') - config.set(base + ['ipv4', 'output', 'filter', 'default-action'], value='accept') - config.set(base + ['ipv6', 'output', 'filter', 'default-action'], value='accept') - for from_zone in config.list_nodes(base + ['zone', zone, 'from']): - group_name = 'IG_' + from_zone - if config.exists(base + ['zone', zone, 'from', from_zone, 'firewall', 'name']): - # ipv4 input ruleset - target_ipv4_chain = config.return_value(base + ['zone', zone, 'from', from_zone, 'firewall', 'name']) - config.set(base + ['ipv4', 'input', 'filter', 'rule']) - config.set_tag(base + ['ipv4', 'input', 'filter', 'rule']) - config.set(base + ['ipv4', 'input', 'filter', 'rule', inp_ipv4_rule, 'inbound-interface', 'interface-group'], value=group_name) - config.set(base + ['ipv4', 'input', 'filter', 'rule', inp_ipv4_rule, 'action'], value='jump') - config.set(base + ['ipv4', 'input', 'filter', 'rule', inp_ipv4_rule, 'jump-target'], value=target_ipv4_chain) - inp_ipv4_rule = inp_ipv4_rule + 5 - if config.exists(base + ['zone', zone, 'from', from_zone, 'firewall', 'ipv6-name']): - # ipv6 input ruleset - target_ipv6_chain = config.return_value(base + ['zone', zone, 'from', from_zone, 'firewall', 'ipv6-name']) - config.set(base + ['ipv6', 'input', 'filter', 'rule']) - config.set_tag(base + ['ipv6', 'input', 'filter', 'rule']) - config.set(base + ['ipv6', 'input', 'filter', 'rule', inp_ipv6_rule, 'inbound-interface', 'interface-group'], value=group_name) - config.set(base + ['ipv6', 'input', 'filter', 'rule', inp_ipv6_rule, 'action'], value='jump') - config.set(base + ['ipv6', 'input', 'filter', 'rule', inp_ipv6_rule, 'jump-target'], value=target_ipv6_chain) - inp_ipv6_rule = inp_ipv6_rule + 5 - - # Migrate: set firewall zone <zone> default-action <action> - # Options: drop or reject. If not specified, is drop - if config.exists(base + ['zone', zone, 'default-action']): - local_def_action = config.return_value(base + ['zone', zone, 'default-action']) - else: - local_def_action = 'drop' - config.set(base + ['ipv4', 'input', 'filter', 'rule']) - config.set_tag(base + ['ipv4', 'input', 'filter', 'rule']) - config.set(base + ['ipv4', 'input', 'filter', 'rule', inp_ipv4_rule, 'action'], value=local_def_action) - config.set(base + ['ipv6', 'input', 'filter', 'rule']) - config.set_tag(base + ['ipv6', 'input', 'filter', 'rule']) - config.set(base + ['ipv6', 'input', 'filter', 'rule', inp_ipv6_rule, 'action'], value=local_def_action) - if config.exists(base + ['zone', zone, 'enable-default-log']): - config.set(base + ['ipv4', 'input', 'filter', 'rule', inp_ipv4_rule, 'log'], value='enable') - config.set(base + ['ipv6', 'input', 'filter', 'rule', inp_ipv6_rule, 'log'], value='enable') - - else: - # It's not a local zone - group_name = 'IG_' + zone - # Add default-action== accept for compatibility reasons: - config.set(base + ['ipv4', 'forward', 'filter', 'default-action'], value='accept') - config.set(base + ['ipv6', 'forward', 'filter', 'default-action'], value='accept') - # intra-filtering migration. By default accept - intra_zone_ipv4_action = 'accept' - intra_zone_ipv6_action = 'accept' - - if config.exists(base + ['zone', zone, 'intra-zone-filtering', 'action']): - intra_zone_ipv4_action = config.return_value(base + ['zone', zone, 'intra-zone-filtering', 'action']) - intra_zone_ipv6_action = intra_zone_ipv4_action - else: - if config.exists(base + ['zone', zone, 'intra-zone-filtering', 'firewall', 'name']): - intra_zone_ipv4_target = config.return_value(base + ['zone', zone, 'intra-zone-filtering', 'firewall', 'name']) - intra_zone_ipv4_action = 'jump' - if config.exists(base + ['zone', zone, 'intra-zone-filtering', 'firewall', 'ipv6-name']): - intra_zone_ipv6_target = config.return_value(base + ['zone', zone, 'intra-zone-filtering', 'firewall', 'ipv6-name']) - intra_zone_ipv6_action = 'jump' - config.set(base + ['ipv4', 'forward', 'filter', 'rule']) - config.set_tag(base + ['ipv4', 'forward', 'filter', 'rule']) - config.set(base + ['ipv4', 'forward', 'filter', 'rule', fwd_ipv4_rule, 'outbound-interface', 'interface-group'], value=group_name) - config.set(base + ['ipv4', 'forward', 'filter', 'rule', fwd_ipv4_rule, 'inbound-interface', 'interface-group'], value=group_name) - config.set(base + ['ipv4', 'forward', 'filter', 'rule', fwd_ipv4_rule, 'action'], value=intra_zone_ipv4_action) - config.set(base + ['ipv6', 'forward', 'filter', 'rule']) - config.set_tag(base + ['ipv6', 'forward', 'filter', 'rule']) - config.set(base + ['ipv6', 'forward', 'filter', 'rule', fwd_ipv6_rule, 'outbound-interface', 'interface-group'], value=group_name) - config.set(base + ['ipv6', 'forward', 'filter', 'rule', fwd_ipv6_rule, 'inbound-interface', 'interface-group'], value=group_name) - config.set(base + ['ipv6', 'forward', 'filter', 'rule', fwd_ipv6_rule, 'action'], value=intra_zone_ipv6_action) - if intra_zone_ipv4_action == 'jump': - if config.exists(base + ['zone', zone, 'intra-zone-filtering', 'firewall', 'name']): - intra_zone_ipv4_target = config.return_value(base + ['zone', zone, 'intra-zone-filtering', 'firewall', 'name']) - config.set(base + ['ipv4', 'forward', 'filter', 'rule', fwd_ipv4_rule, 'jump-target'], value=intra_zone_ipv4_target) - if intra_zone_ipv6_action == 'jump': - if config.exists(base + ['zone', zone, 'intra-zone-filtering', 'firewall', 'ipv6-name']): - intra_zone_ipv6_target = config.return_value(base + ['zone', zone, 'intra-zone-filtering', 'firewall', 'ipv6-name']) - config.set(base + ['ipv6', 'forward', 'filter', 'rule', fwd_ipv6_rule, 'jump-target'], value=intra_zone_ipv6_target) - fwd_ipv4_rule = fwd_ipv4_rule + 5 - fwd_ipv6_rule = fwd_ipv6_rule + 5 - - if config.exists(base + ['zone', zone, 'interface']): - # Create interface group IG_<zone> - group_name = 'IG_' + zone - config.set(base + ['group', 'interface-group'], value=group_name) - config.set_tag(base + ['group', 'interface-group']) - for iface in config.return_values(base + ['zone', zone, 'interface']): - config.set(base + ['group', 'interface-group', group_name, 'interface'], value=iface, replace=False) - - if config.exists(base + ['zone', zone, 'from']): - for from_zone in config.list_nodes(base + ['zone', zone, 'from']): - from_group = 'IG_' + from_zone - if config.exists(base + ['zone', zone, 'from', from_zone, 'firewall', 'name']): - target_ipv4_chain = config.return_value(base + ['zone', zone, 'from', from_zone, 'firewall', 'name']) - if config.exists(base + ['zone', from_zone, 'local-zone']): - # It's from LOCAL zone -> Output filtering - config.set(base + ['ipv4', 'output', 'filter', 'rule']) - config.set_tag(base + ['ipv4', 'output', 'filter', 'rule']) - config.set(base + ['ipv4', 'output', 'filter', 'rule', out_ipv4_rule, 'outbound-interface', 'interface-group'], value=group_name) - config.set(base + ['ipv4', 'output', 'filter', 'rule', out_ipv4_rule, 'action'], value='jump') - config.set(base + ['ipv4', 'output', 'filter', 'rule', out_ipv4_rule, 'jump-target'], value=target_ipv4_chain) - out_ipv4_rule = out_ipv4_rule + 5 - else: - # It's not LOCAL zone -> forward filtering - config.set(base + ['ipv4', 'forward', 'filter', 'rule']) - config.set_tag(base + ['ipv4', 'forward', 'filter', 'rule']) - config.set(base + ['ipv4', 'forward', 'filter', 'rule', fwd_ipv4_rule, 'outbound-interface', 'interface-group'], value=group_name) - config.set(base + ['ipv4', 'forward', 'filter', 'rule', fwd_ipv4_rule, 'inbound-interface', 'interface-group'], value=from_group) - config.set(base + ['ipv4', 'forward', 'filter', 'rule', fwd_ipv4_rule, 'action'], value='jump') - config.set(base + ['ipv4', 'forward', 'filter', 'rule', fwd_ipv4_rule, 'jump-target'], value=target_ipv4_chain) - fwd_ipv4_rule = fwd_ipv4_rule + 5 - if config.exists(base + ['zone', zone, 'from', from_zone, 'firewall', 'ipv6-name']): - target_ipv6_chain = config.return_value(base + ['zone', zone, 'from', from_zone, 'firewall', 'ipv6-name']) - if config.exists(base + ['zone', from_zone, 'local-zone']): - # It's from LOCAL zone -> Output filtering - config.set(base + ['ipv6', 'output', 'filter', 'rule']) - config.set_tag(base + ['ipv6', 'output', 'filter', 'rule']) - config.set(base + ['ipv6', 'output', 'filter', 'rule', out_ipv6_rule, 'outbound-interface', 'interface-group'], value=group_name) - config.set(base + ['ipv6', 'output', 'filter', 'rule', out_ipv6_rule, 'action'], value='jump') - config.set(base + ['ipv6', 'output', 'filter', 'rule', out_ipv6_rule, 'jump-target'], value=target_ipv6_chain) - out_ipv6_rule = out_ipv6_rule + 5 - else: - # It's not LOCAL zone -> forward filtering - config.set(base + ['ipv6', 'forward', 'filter', 'rule']) - config.set_tag(base + ['ipv6', 'forward', 'filter', 'rule']) - config.set(base + ['ipv6', 'forward', 'filter', 'rule', fwd_ipv6_rule, 'outbound-interface', 'interface-group'], value=group_name) - config.set(base + ['ipv6', 'forward', 'filter', 'rule', fwd_ipv6_rule, 'inbound-interface', 'interface-group'], value=from_group) - config.set(base + ['ipv6', 'forward', 'filter', 'rule', fwd_ipv6_rule, 'action'], value='jump') - config.set(base + ['ipv6', 'forward', 'filter', 'rule', fwd_ipv6_rule, 'jump-target'], value=target_ipv6_chain) - fwd_ipv6_rule = fwd_ipv6_rule + 5 - - ## Now need to migrate: set firewall zone <zone> default-action <action> # action=drop if not specified. - if config.exists(base + ['zone', zone, 'default-action']): - def_action = config.return_value(base + ['zone', zone, 'default-action']) - else: - def_action = 'drop' - config.set(base + ['ipv4', 'forward', 'filter', 'rule']) - config.set_tag(base + ['ipv4', 'forward', 'filter', 'rule']) - config.set(base + ['ipv4', 'forward', 'filter', 'rule', fwd_ipv4_rule, 'outbound-interface', 'interface-group'], value=group_name) - config.set(base + ['ipv4', 'forward', 'filter', 'rule', fwd_ipv4_rule, 'action'], value=def_action) - description = 'zone_' + zone + ' default-action' - config.set(base + ['ipv4', 'forward', 'filter', 'rule', fwd_ipv4_rule, 'description'], value=description) - config.set(base + ['ipv6', 'forward', 'filter', 'rule']) - config.set_tag(base + ['ipv6', 'forward', 'filter', 'rule']) - config.set(base + ['ipv6', 'forward', 'filter', 'rule', fwd_ipv6_rule, 'outbound-interface', 'interface-group'], value=group_name) - config.set(base + ['ipv6', 'forward', 'filter', 'rule', fwd_ipv6_rule, 'action'], value=def_action) - config.set(base + ['ipv6', 'forward', 'filter', 'rule', fwd_ipv6_rule, 'description'], value=description) - - if config.exists(base + ['zone', zone, 'enable-default-log']): - config.set(base + ['ipv4', 'forward', 'filter', 'rule', fwd_ipv4_rule, 'log'], value='enable') - config.set(base + ['ipv6', 'forward', 'filter', 'rule', fwd_ipv6_rule, 'log'], value='enable') - fwd_ipv4_rule = fwd_ipv4_rule + 5 - fwd_ipv6_rule = fwd_ipv6_rule + 5 - - # Migrate default-action (force to be drop in output chain) if local zone is defined - if local_zone == 'True': - # General drop in output change if needed - config.set(base + ['ipv4', 'output', 'filter', 'rule']) - config.set_tag(base + ['ipv4', 'output', 'filter', 'rule']) - config.set(base + ['ipv4', 'output', 'filter', 'rule', out_ipv4_rule, 'action'], value=local_def_action) - config.set(base + ['ipv6', 'output', 'filter', 'rule']) - config.set_tag(base + ['ipv6', 'output', 'filter', 'rule']) - config.set(base + ['ipv6', 'output', 'filter', 'rule', out_ipv6_rule, 'action'], value=local_def_action) - - config.delete(base + ['zone']) - -###### END migration zones - try: with open(file_name, 'w') as f: f.write(config.to_string()) except OSError as e: print("Failed to save the modified config: {}".format(e)) exit(1) \ No newline at end of file