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{% macro zone_chains(zone, state_policy=False, 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;
{% if state_policy %}
jump VYOS_STATE_POLICY{{ suffix }}
{% endif %}
{% 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;
{% if state_policy %}
jump VYOS_STATE_POLICY{{ suffix }}
{% endif %}
{% 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;
{% if state_policy %}
jump VYOS_STATE_POLICY{{ suffix }}
{% endif %}
{% 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 %}
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