diff options
Diffstat (limited to 'data/templates/zone_policy/nftables.j2')
| -rw-r--r-- | data/templates/zone_policy/nftables.j2 | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/data/templates/zone_policy/nftables.j2 b/data/templates/zone_policy/nftables.j2 new file mode 100644 index 000000000..e4c4dd7da --- /dev/null +++ b/data/templates/zone_policy/nftables.j2 @@ -0,0 +1,113 @@ +#!/usr/sbin/nft -f + +{% if cleanup_commands is vyos_defined %} +{% for command in cleanup_commands %} +{{ command }} +{% endfor %} +{% endif %} + +{% if zone is vyos_defined %} +table ip filter { +{% for zone_name, zone_conf in zone.items() if zone_conf.ipv4 %} +{% if zone_conf.local_zone is vyos_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 vyos_defined %} + iifname { {{ zone[from_zone].interface | join(",") }} } counter jump NAME_{{ from_conf.firewall.name }} + iifname { {{ zone[from_zone].interface | join(",") }} } counter return +{% endfor %} + counter {{ zone_conf.default_action }} + } + 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 vyos_defined %} + oifname { {{ zone[from_zone].interface | join(",") }} } counter jump NAME_{{ from_conf.firewall.name }} + oifname { {{ zone[from_zone].interface | join(",") }} } counter return +{% endfor %} + counter {{ zone_conf.default_action }} + } +{% else %} + chain VZONE_{{ zone_name }} { + iifname { {{ zone_conf.interface | join(",") }} } counter {{ zone_conf | nft_intra_zone_action(ipv6=False) }} +{% if zone_conf.intra_zone_filtering is vyos_defined %} + iifname { {{ zone_conf.interface | join(",") }} } counter return +{% endif %} +{% for from_zone, from_conf in zone_conf.from.items() if from_conf.firewall.name is vyos_defined %} +{% if zone[from_zone].local_zone is not defined %} + iifname { {{ zone[from_zone].interface | join(",") }} } counter jump NAME_{{ from_conf.firewall.name }} + iifname { {{ zone[from_zone].interface | join(",") }} } counter return +{% endif %} +{% endfor %} + counter {{ zone_conf.default_action }} + } +{% endif %} +{% endfor %} +} + +table ip6 filter { +{% for zone_name, zone_conf in zone.items() if zone_conf.ipv6 %} +{% if zone_conf.local_zone is vyos_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 vyos_defined %} + iifname { {{ zone[from_zone].interface | join(",") }} } counter jump NAME6_{{ from_conf.firewall.ipv6_name }} + iifname { {{ zone[from_zone].interface | join(",") }} } counter return +{% endfor %} + counter {{ zone_conf.default_action }} + } + 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 vyos_defined %} + oifname { {{ zone[from_zone].interface | join(",") }} } counter jump NAME6_{{ from_conf.firewall.ipv6_name }} + oifname { {{ zone[from_zone].interface | join(",") }} } counter return +{% endfor %} + counter {{ zone_conf.default_action }} + } +{% else %} + chain VZONE6_{{ zone_name }} { + iifname { {{ zone_conf.interface | join(",") }} } counter {{ zone_conf | nft_intra_zone_action(ipv6=True) }} +{% if zone_conf.intra_zone_filtering is vyos_defined %} + iifname { {{ zone_conf.interface | join(",") }} } counter return +{% endif %} +{% for from_zone, from_conf in zone_conf.from.items() if from_conf.firewall.ipv6_name is vyos_defined %} +{% if zone[from_zone].local_zone is not defined %} + iifname { {{ zone[from_zone].interface | join(",") }} } counter jump NAME6_{{ from_conf.firewall.ipv6_name }} + iifname { {{ zone[from_zone].interface | join(",") }} } counter return +{% endif %} +{% endfor %} + counter {{ zone_conf.default_action }} + } +{% 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_FORWARD 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_FORWARD oifname { {{ zone_conf.interface | join(',') }} } counter jump VZONE6_{{ zone_name }} +{% endif %} +{% endif %} +{% endfor %} + +{# Ensure that state-policy rule is first in the chain #} +{% if firewall.state_policy is vyos_defined %} +{% for chain in ['VYOS_FW_FORWARD', 'VYOS_FW_OUTPUT', 'VYOS_FW_LOCAL'] %} +insert rule ip filter {{ chain }} jump VYOS_STATE_POLICY +{% endfor %} +{% for chain in ['VYOS_FW6_FORWARD', 'VYOS_FW6_OUTPUT', 'VYOS_FW6_LOCAL'] %} +insert rule ip6 filter {{ chain }} jump VYOS_STATE_POLICY6 +{% endfor %} +{% endif %} + +{% endif %} |