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#!/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 %}
table ip6 vyos_nat {
#
# Destination NAT66 rules build up here
#
chain PREROUTING {
type nat hook prerouting priority -100; policy accept;
counter jump VYOS_DNPT_HOOK
{% if destination.rule is vyos_defined %}
{% for rule, config in destination.rule.items() if config.disable is not vyos_defined %}
{{ config | nat_rule(rule, 'destination', ipv6=True) }}
{% endfor %}
{% endif %}
}
#
# Source NAT66 rules build up here
#
chain POSTROUTING {
type nat hook postrouting priority 100; policy accept;
counter jump VYOS_SNPT_HOOK
{% if source.rule is vyos_defined %}
{% for rule, config in source.rule.items() if config.disable is not vyos_defined %}
{{ config | nat_rule(rule, 'source', ipv6=True) }}
{% endfor %}
{% endif %}
}
chain VYOS_DNPT_HOOK {
return
}
chain VYOS_SNPT_HOOK {
return
}
}
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