diff options
Diffstat (limited to 'data/templates/firewall')
-rw-r--r-- | data/templates/firewall/nftables-bridge.j2 | 35 | ||||
-rw-r--r-- | data/templates/firewall/nftables-defines.j2 | 14 | ||||
-rw-r--r-- | data/templates/firewall/nftables-nat.j2 | 23 | ||||
-rw-r--r-- | data/templates/firewall/nftables-nat66.j2 | 17 | ||||
-rw-r--r-- | data/templates/firewall/nftables-offload.j2 | 9 | ||||
-rw-r--r-- | data/templates/firewall/nftables-policy.j2 | 4 | ||||
-rw-r--r-- | data/templates/firewall/nftables-vrf-zones.j2 | 4 | ||||
-rw-r--r-- | data/templates/firewall/nftables.j2 | 59 |
8 files changed, 95 insertions, 70 deletions
diff --git a/data/templates/firewall/nftables-bridge.j2 b/data/templates/firewall/nftables-bridge.j2 new file mode 100644 index 000000000..7f94e10d6 --- /dev/null +++ b/data/templates/firewall/nftables-bridge.j2 @@ -0,0 +1,35 @@ +{% macro bridge(bridge) %} +{% set ns = namespace(sets=[]) %} +{% if bridge.forward is vyos_defined %} +{% for prior, conf in bridge.forward.items() %} +{% set def_action = conf.default_action %} + chain VYOS_FORWARD_{{ prior }} { + type filter hook forward priority {{ prior }}; policy {{ def_action }}; +{% 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, 'bri') }} +{% if rule_conf.recent is vyos_defined %} +{% set ns.sets = ns.sets + ['FWD_' + prior + '_' + rule_id] %} +{% endif %} +{% endfor %} +{% endif %} + } +{% endfor %} +{% endif %} + +{% if bridge.name is vyos_defined %} +{% for name_text, conf in bridge.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, 'bri') }} +{% 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 %} +{% endmacro %} diff --git a/data/templates/firewall/nftables-defines.j2 b/data/templates/firewall/nftables-defines.j2 index 0a7e79edd..a20c399ae 100644 --- a/data/templates/firewall/nftables-defines.j2 +++ b/data/templates/firewall/nftables-defines.j2 @@ -1,7 +1,7 @@ -{% macro groups(group, is_ipv6) %} +{% macro groups(group, is_ipv6, is_l3) %} {% if group is vyos_defined %} {% set ip_type = 'ipv6_addr' if is_ipv6 else 'ipv4_addr' %} -{% if group.address_group is vyos_defined and not is_ipv6 %} +{% if group.address_group is vyos_defined and not is_ipv6 and is_l3 %} {% for group_name, group_conf in group.address_group.items() %} {% set includes = group_conf.include if group_conf.include is vyos_defined else [] %} set A_{{ group_name }} { @@ -14,7 +14,7 @@ } {% endfor %} {% endif %} -{% if group.ipv6_address_group is vyos_defined and is_ipv6 %} +{% if group.ipv6_address_group is vyos_defined and is_ipv6 and is_l3 %} {% for group_name, group_conf in group.ipv6_address_group.items() %} {% set includes = group_conf.include if group_conf.include is vyos_defined else [] %} set A6_{{ group_name }} { @@ -27,7 +27,7 @@ } {% endfor %} {% endif %} -{% if group.domain_group is vyos_defined %} +{% if group.domain_group is vyos_defined and is_l3 %} {% for name, name_config in group.domain_group.items() %} set D_{{ name }} { type {{ ip_type }} @@ -46,7 +46,7 @@ } {% endfor %} {% endif %} -{% if group.network_group is vyos_defined and not is_ipv6 %} +{% if group.network_group is vyos_defined and not is_ipv6 and is_l3 %} {% for group_name, group_conf in group.network_group.items() %} {% set includes = group_conf.include if group_conf.include is vyos_defined else [] %} set N_{{ group_name }} { @@ -59,7 +59,7 @@ } {% endfor %} {% endif %} -{% if group.ipv6_network_group is vyos_defined and is_ipv6 %} +{% if group.ipv6_network_group is vyos_defined and is_ipv6 and is_l3 %} {% for group_name, group_conf in group.ipv6_network_group.items() %} {% set includes = group_conf.include if group_conf.include is vyos_defined else [] %} set N6_{{ group_name }} { @@ -72,7 +72,7 @@ } {% endfor %} {% endif %} -{% if group.port_group is vyos_defined %} +{% if group.port_group is vyos_defined and is_l3 %} {% for group_name, group_conf in group.port_group.items() %} {% set includes = group_conf.include if group_conf.include is vyos_defined else [] %} set P_{{ group_name }} { diff --git a/data/templates/firewall/nftables-nat.j2 b/data/templates/firewall/nftables-nat.j2 index f0be3cf5d..4254f6a0e 100644 --- a/data/templates/firewall/nftables-nat.j2 +++ b/data/templates/firewall/nftables-nat.j2 @@ -2,27 +2,6 @@ {% import 'firewall/nftables-defines.j2' as group_tmpl %} -{% if helper_functions is vyos_defined('remove') %} -{# NAT if going to be disabled - remove rules and targets from nftables #} -{% set base_command = 'delete rule ip raw' %} -{{ base_command }} PREROUTING handle {{ pre_ct_ignore }} -{{ base_command }} OUTPUT handle {{ out_ct_ignore }} -{{ base_command }} PREROUTING handle {{ pre_ct_conntrack }} -{{ base_command }} OUTPUT handle {{ out_ct_conntrack }} - -delete chain ip raw NAT_CONNTRACK - -{% elif helper_functions is vyos_defined('add') %} -{# NAT if enabled - add targets to nftables #} -add chain ip raw NAT_CONNTRACK -add rule ip raw NAT_CONNTRACK counter accept -{% set base_command = 'add rule ip raw' %} -{{ base_command }} PREROUTING position {{ pre_ct_ignore }} counter jump VYOS_CT_HELPER -{{ base_command }} OUTPUT position {{ out_ct_ignore }} counter jump VYOS_CT_HELPER -{{ base_command }} PREROUTING position {{ pre_ct_conntrack }} counter jump NAT_CONNTRACK -{{ base_command }} OUTPUT position {{ out_ct_conntrack }} counter jump NAT_CONNTRACK -{% endif %} - {% if first_install is not vyos_defined %} delete table ip vyos_nat {% endif %} @@ -62,6 +41,6 @@ table ip vyos_nat { return } -{{ group_tmpl.groups(firewall_group, False) }} +{{ group_tmpl.groups(firewall_group, False, True) }} } {% endif %} diff --git a/data/templates/firewall/nftables-nat66.j2 b/data/templates/firewall/nftables-nat66.j2 index 27b3eec88..67eb2c109 100644 --- a/data/templates/firewall/nftables-nat66.j2 +++ b/data/templates/firewall/nftables-nat66.j2 @@ -1,22 +1,5 @@ #!/usr/sbin/nft -f -{% if helper_functions is vyos_defined('remove') %} -{# NAT if going to be disabled - remove rules and targets from nftables #} -{% set base_command = 'delete rule ip6 raw' %} -{{ base_command }} PREROUTING handle {{ pre_ct_conntrack }} -{{ base_command }} OUTPUT handle {{ out_ct_conntrack }} - -delete chain ip6 raw NAT_CONNTRACK - -{% elif helper_functions is vyos_defined('add') %} -{# NAT if enabled - add targets to nftables #} -add chain ip6 raw NAT_CONNTRACK -add rule ip6 raw NAT_CONNTRACK counter accept -{% set base_command = 'add rule ip6 raw' %} -{{ base_command }} PREROUTING position {{ pre_ct_conntrack }} counter jump NAT_CONNTRACK -{{ base_command }} OUTPUT position {{ out_ct_conntrack }} counter jump NAT_CONNTRACK -{% endif %} - {% if first_install is not vyos_defined %} delete table ip6 vyos_nat {% endif %} diff --git a/data/templates/firewall/nftables-offload.j2 b/data/templates/firewall/nftables-offload.j2 new file mode 100644 index 000000000..a893e05b2 --- /dev/null +++ b/data/templates/firewall/nftables-offload.j2 @@ -0,0 +1,9 @@ +{% macro flowtable(name, config) %} + flowtable VYOS_FLOWTABLE_{{ name }} { + hook ingress priority 0; devices = { {{ config.interface | join(', ') }} }; +{% if config.offload is vyos_defined('hardware') %} + flags offload; +{% endif %} + counter + } +{% endmacro %} diff --git a/data/templates/firewall/nftables-policy.j2 b/data/templates/firewall/nftables-policy.j2 index 699349e2b..d77e3f6e9 100644 --- a/data/templates/firewall/nftables-policy.j2 +++ b/data/templates/firewall/nftables-policy.j2 @@ -32,7 +32,7 @@ table ip vyos_mangle { {% endfor %} {% endif %} -{{ group_tmpl.groups(firewall_group, False) }} +{{ group_tmpl.groups(firewall_group, False, True) }} } table ip6 vyos_mangle { @@ -61,5 +61,5 @@ table ip6 vyos_mangle { {% endfor %} {% endif %} -{{ group_tmpl.groups(firewall_group, True) }} +{{ group_tmpl.groups(firewall_group, True, True) }} } diff --git a/data/templates/firewall/nftables-vrf-zones.j2 b/data/templates/firewall/nftables-vrf-zones.j2 index eecf47b78..3bce7312d 100644 --- a/data/templates/firewall/nftables-vrf-zones.j2 +++ b/data/templates/firewall/nftables-vrf-zones.j2 @@ -7,11 +7,11 @@ table inet vrf_zones { # Chain for inbound traffic chain vrf_zones_ct_in { type filter hook prerouting priority raw; policy accept; - counter ct zone set iifname map @ct_iface_map + counter ct original zone set iifname map @ct_iface_map } # Chain for locally-generated traffic chain vrf_zones_ct_out { type filter hook output priority raw; policy accept; - counter ct zone set oifname map @ct_iface_map + counter ct original zone set oifname map @ct_iface_map } } diff --git a/data/templates/firewall/nftables.j2 b/data/templates/firewall/nftables.j2 index 0fbddfaa9..75800ee3d 100644 --- a/data/templates/firewall/nftables.j2 +++ b/data/templates/firewall/nftables.j2 @@ -1,33 +1,31 @@ #!/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 %} -flush chain raw FW_CONNTRACK -flush chain ip6 raw FW_CONNTRACK +flush chain raw vyos_global_rpfilter +flush chain ip6 raw vyos_global_rpfilter table raw { - chain FW_CONNTRACK { - {{ ipv4_conntrack_action }} + 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 FW_CONNTRACK { - {{ ipv6_conntrack_action }} - } -} - -{% if first_install is not vyos_defined %} -delete table inet vyos_global_rpfilter -{% endif %} -table inet vyos_global_rpfilter { - chain PREROUTING { - type filter hook prerouting priority -300; policy accept; -{% if global_options.source_validation is vyos_defined('loose') %} + chain vyos_global_rpfilter { +{% if global_options.ipv6_source_validation is vyos_defined('loose') %} fib saddr oif 0 counter drop -{% elif global_options.source_validation is vyos_defined('strict') %} +{% elif global_options.ipv6_source_validation is vyos_defined('strict') %} fib saddr . iif oif 0 counter drop {% endif %} + return } } @@ -36,6 +34,12 @@ 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() %} @@ -147,7 +151,7 @@ table ip vyos_filter { {% endfor %} {% endif %} {% endif %} -{{ group_tmpl.groups(group, False) }} +{{ group_tmpl.groups(group, False, True) }} } {% if first_install is not vyos_defined %} @@ -155,6 +159,12 @@ 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() %} @@ -250,5 +260,14 @@ table ip6 vyos_filter { {% endfor %} {% endif %} {% endif %} -{{ group_tmpl.groups(group, True) }} -}
\ No newline at end of file +{{ group_tmpl.groups(group, True, True) }} +} + +## 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) }} +} |