diff options
Diffstat (limited to 'data/templates/zone_policy')
| -rw-r--r-- | data/templates/zone_policy/nftables.tmpl | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/data/templates/zone_policy/nftables.tmpl b/data/templates/zone_policy/nftables.tmpl new file mode 100644 index 000000000..21230c688 --- /dev/null +++ b/data/templates/zone_policy/nftables.tmpl @@ -0,0 +1,97 @@ +#!/usr/sbin/nft -f + +{% if cleanup_commands is defined %} +{% for command in cleanup_commands %} +{{ command }} +{% endfor %} +{% endif %} + +{% if zone is defined %} +table ip filter { +{% for zone_name, zone_conf in zone.items() if zone_conf.ipv4 %} +{% if zone_conf.local_zone is defined %} + chain VZONE_{{ zone_name }}_IN { + iifname lo counter return +{% for from_zone, from_conf in zone_conf.from.items() if from_conf.firewall.name is defined %} + iifname { {{ zone[from_zone].interface | join(",") }} } counter jump {{ from_conf.firewall.name }} + iifname { {{ zone[from_zone].interface | join(",") }} } counter return +{% endfor %} + counter {{ zone_conf.default_action if zone_conf.default_action is defined else 'drop' }} + } + chain VZONE_{{ zone_name }}_OUT { + oifname lo counter return +{% for from_zone, from_conf in zone_conf.from_local.items() if from_conf.firewall.name is defined %} + oifname { {{ zone[from_zone].interface | join(",") }} } counter jump {{ from_conf.firewall.name }} + oifname { {{ zone[from_zone].interface | join(",") }} } counter return +{% endfor %} + counter {{ zone_conf.default_action if zone_conf.default_action is defined else 'drop' }} + } +{% else %} + chain VZONE_{{ zone_name }} { + iifname { {{ zone_conf.interface | join(",") }} } counter {{ zone_conf | nft_intra_zone_action(ipv6=False) }} +{% for from_zone, from_conf in zone_conf.from.items() if from_conf.firewall.name is defined %} +{% if zone[from_zone].local_zone is not defined %} + iifname { {{ zone[from_zone].interface | join(",") }} } counter jump {{ from_conf.firewall.name }} + iifname { {{ zone[from_zone].interface | join(",") }} } counter return +{% endif %} +{% endfor %} + counter {{ zone_conf.default_action if zone_conf.default_action is defined else 'drop' }} + } +{% endif %} +{% endfor %} +} + +table ip6 filter { +{% for zone_name, zone_conf in zone.items() if zone_conf.ipv6 %} +{% if zone_conf.local_zone is defined %} + chain VZONE6_{{ zone_name }}_IN { + iifname lo counter return +{% for from_zone, from_conf in zone_conf.from.items() if from_conf.firewall.ipv6_name is defined %} + iifname { {{ zone[from_zone].interface | join(",") }} } counter jump {{ from_conf.firewall.ipv6_name }} + iifname { {{ zone[from_zone].interface | join(",") }} } counter return +{% endfor %} + counter {{ zone_conf.default_action if zone_conf.default_action is defined else 'drop' }} + } + chain VZONE6_{{ zone_name }}_OUT { + oifname lo counter return +{% for from_zone, from_conf in zone_conf.from_local.items() if from_conf.firewall.ipv6_name is defined %} + oifname { {{ zone[from_zone].interface | join(",") }} } counter jump {{ from_conf.firewall.ipv6_name }} + oifname { {{ zone[from_zone].interface | join(",") }} } counter return +{% endfor %} + counter {{ zone_conf.default_action if zone_conf.default_action is defined else 'drop' }} + } +{% else %} + chain VZONE6_{{ zone_name }} { + iifname { {{ zone_conf.interface | join(",") }} } counter {{ zone_conf | nft_intra_zone_action(ipv6=True) }} +{% for from_zone, from_conf in zone_conf.from.items() if from_conf.firewall.ipv6_name is defined %} +{% if zone[from_zone].local_zone is not defined %} + iifname { {{ zone[from_zone].interface | join(",") }} } counter jump {{ from_conf.firewall.ipv6_name }} + iifname { {{ zone[from_zone].interface | join(",") }} } counter return +{% endif %} +{% endfor %} + counter {{ zone_conf.default_action if zone_conf.default_action is defined else 'drop' }} + } +{% endif %} +{% endfor %} +} + +{% for zone_name, zone_conf in zone.items() %} +{% if zone_conf.ipv4 %} +{% if 'local_zone' in zone_conf %} +insert rule ip filter VYOS_FW_LOCAL counter jump VZONE_{{ zone_name }}_IN +insert rule ip filter VYOS_FW_OUTPUT counter jump VZONE_{{ zone_name }}_OUT +{% else %} +insert rule ip filter VYOS_FW_OUT oifname { {{ zone_conf.interface | join(',') }} } counter jump VZONE_{{ zone_name }} +{% endif %} +{% endif %} +{% if zone_conf.ipv6 %} +{% if 'local_zone' in zone_conf %} +insert rule ip6 filter VYOS_FW6_LOCAL counter jump VZONE6_{{ zone_name }}_IN +insert rule ip6 filter VYOS_FW6_OUTPUT counter jump VZONE6_{{ zone_name }}_OUT +{% else %} +insert rule ip6 filter VYOS_FW6_OUT oifname { {{ zone_conf.interface | join(',') }} } counter jump VZONE6_{{ zone_name }} +{% endif %} +{% endif %} +{% endfor %} + +{% endif %} |