#!/usr/bin/utpl

{%-
	'use strict';

	import { cursor } from 'uci';
	import { connect } from 'ubus';
	import { uci_bool, uci_array, get_cgroups_version, get_users, get_groups, get_cgroups } from '/etc/nikki/ucode/include.uc';

	const cgroups_version = get_cgroups_version();

	const users = get_users();
	const groups = get_groups();
	const cgroups = get_cgroups();

	const uci = cursor();
	const ubus = connect();

	uci.load('nikki');

	const redir_port = uci.get('nikki', 'mixin', 'redir_port');
	const tproxy_port = uci.get('nikki', 'mixin', 'tproxy_port');

	const dns_listen = uci.get('nikki', 'mixin', 'dns_listen');
	const dns_port = substr(dns_listen, rindex(dns_listen, ':') + 1);
	const fake_ip_range = uci.get('nikki', 'mixin', 'fake_ip_range');

	const tun_device = uci.get('nikki', 'mixin', 'tun_device');

	const tcp_mode = uci.get('nikki', 'proxy', 'tcp_mode');
	const udp_mode = uci.get('nikki', 'proxy', 'udp_mode');
	const ipv4_dns_hijack = uci_bool(uci.get('nikki', 'proxy', 'ipv4_dns_hijack'));
	const ipv6_dns_hijack = uci_bool(uci.get('nikki', 'proxy', 'ipv6_dns_hijack'));
	const ipv4_proxy = uci_bool(uci.get('nikki', 'proxy', 'ipv4_proxy'));
	const ipv6_proxy = uci_bool(uci.get('nikki', 'proxy', 'ipv6_proxy'));
	const fake_ip_ping_hijack = uci_bool(uci.get('nikki', 'proxy', 'fake_ip_ping_hijack'));

	const router_proxy = uci_bool(uci.get('nikki', 'proxy', 'router_proxy'));
	const router_access_control = [];
	uci.foreach('nikki', 'router_access_control', (access_control) => {
		access_control['enabled'] = uci_bool(access_control['enabled']);
		access_control['user'] = filter(uci_array(access_control['user']), (x) => index(users, x) >= 0);
		access_control['group'] = filter(uci_array(access_control['group']), (x) => index(groups, x) >= 0);
		access_control['cgroup'] = filter(uci_array(access_control['cgroup']), (x) => index(cgroups, x) >= 0);
		access_control['proxy'] = uci_bool(access_control['proxy']);
		push(router_access_control, access_control);
	});

	const lan_proxy = uci_bool(uci.get('nikki', 'proxy', 'lan_proxy'));
	const lan_inbound_interface = uci_array(uci.get('nikki', 'proxy', 'lan_inbound_interface'));
	const lan_inbound_device = [];
	for (let interface in lan_inbound_interface) {
		const device = ubus.call('network.interface', 'status', {'interface': interface})?.l3_device ?? '';
		if (device != '') {
			push(lan_inbound_device, device);
		}
	}
	const lan_access_control = [];
	uci.foreach('nikki', 'lan_access_control', (access_control) => {
		access_control['enabled'] = uci_bool(access_control['enabled']);
		access_control['ip'] = uci_array(access_control['ip']);
		access_control['ip6'] = uci_array(access_control['ip6']);
		access_control['mac'] = uci_array(access_control['mac']);
		access_control['proxy'] = uci_bool(access_control['proxy']);
		push(lan_access_control, access_control);
	});

	const bypass_dscp = uci_array(uci.get('nikki', 'proxy', 'bypass_dscp'));
	const bypass_china_mainland_ip = uci_bool(uci.get('nikki', 'proxy', 'bypass_china_mainland_ip'));
	const proxy_tcp_dport = split((uci.get('nikki', 'proxy', 'proxy_tcp_dport') ?? '0-65535'), ' ');
	const proxy_udp_dport = split((uci.get('nikki', 'proxy', 'proxy_udp_dport') ?? '0-65535'), ' ');

	const dns_hijack_nfproto = [];
	if (ipv4_dns_hijack) {
		push(dns_hijack_nfproto, 'ipv4');
	}
	if (ipv6_dns_hijack) {
		push(dns_hijack_nfproto, 'ipv6');
	}

	const proxy_nfproto = [];
	if (ipv4_proxy) {
		push(proxy_nfproto, 'ipv4');
	}
	if (ipv6_proxy) {
		push(proxy_nfproto, 'ipv6');
	}

	const proxy_dport = [];
	for (let port in proxy_tcp_dport) {
		push(proxy_dport, `tcp . ${port}`);
	}
	for (let port in proxy_udp_dport) {
		push(proxy_dport, `udp . ${port}`);
	}
-%}

table inet nikki {
	set dns_hijack_nfproto {
		type nf_proto
		flags interval
		{% if (length(dns_hijack_nfproto) > 0): %}
		elements = {
			{% for (let nfproto in dns_hijack_nfproto): %}
			{{ nfproto }},
			{% endfor %}
		}
		{% endif %}
	}

	set proxy_nfproto {
		type nf_proto
		flags interval
		{% if (length(proxy_nfproto) > 0): %}
		elements = {
			{% for (let nfproto in proxy_nfproto): %}
			{{ nfproto }},
			{% endfor %}
		}
		{% endif %}
	}

	set reserved_ip {
		type ipv4_addr
		flags interval
		auto-merge
	}

	set reserved_ip6 {
		type ipv6_addr
		flags interval
		auto-merge
	}

	set lan_inbound_device {
		type ifname
		flags interval
		auto-merge
		{% if (length(lan_inbound_device) > 0): %}
		elements = {
			{% for (let device in lan_inbound_device): %}
			{{ device }},
			{% endfor %}
		}
		{% endif %}
	}

	set china_ip {
		type ipv4_addr
		flags interval
	}

	set china_ip6 {
		type ipv6_addr
		flags interval
	}

	set proxy_dport {
		type inet_proto . inet_service
		flags interval
		auto-merge
		{% if (length(proxy_dport) > 0): %}
		elements = {
			{% for (let dport in proxy_dport): %}
			{{ dport }},
			{% endfor %}
		}
		{% endif %}
	}

	set bypass_dscp {
		type dscp
		flags interval
		auto-merge
		{% if (length(bypass_dscp) > 0): %}
		elements = {
			{% for (let dscp in bypass_dscp): %}
			{{ dscp }},
			{% endfor %}
		}
		{% endif %}
	}

	chain router_dns_hijack {
		{% for (let access_control in router_access_control): %}
		{% if (access_control['enabled']): %}
		{% if (length(access_control['user']) == 0 && length(access_control['group']) == 0 && length(access_control['cgroup']) == 0): %}
		meta l4proto { tcp, udp } th dport 53 counter {% if (access_control.proxy == '1'): %} redirect to :{{ dns_port }} {% else %} return {% endif %}

		{% else %}
		{% if (length(access_control['user']) > 0): %}
		meta l4proto { tcp, udp } meta skuid { {% for (let user in access_control['user']): %} {{ user }}, {% endfor %} } th dport 53 counter {% if (access_control.proxy == '1'): %} redirect to :{{ dns_port }} {% else %} return {% endif %}

		{% endif %}
		{% if (length(access_control['group']) > 0): %}
		meta l4proto { tcp, udp } meta skgid { {% for (let group in access_control['group']): %} {{ group }}, {% endfor %} } th dport 53 counter {% if (access_control.proxy == '1'): %} redirect to :{{ dns_port }} {% else %} return {% endif %}

		{% endif %}
		{% if (cgroups_version == 2 && length(access_control['cgroup']) > 0): %}
		meta l4proto { tcp, udp } socket cgroupv2 level 2 { {% for (let cgroup in access_control['cgroup']): %} services/{{ cgroup }}, {% endfor %} } th dport 53 counter {% if (access_control.proxy == '1'): %} redirect to :{{ dns_port }} {% else %} return {% endif %}

		{% endif %}
		{% endif %}
		{% endif %}
		{% endfor %}
	}

	chain router_redirect {
		{% for (let access_control in router_access_control): %}
		{% if (access_control['enabled']): %}
		{% if (length(access_control['user']) == 0 && length(access_control['group']) == 0 && length(access_control['cgroup']) == 0): %}
		meta l4proto tcp counter {% if (access_control.proxy == '1'): %} redirect to :{{ redir_port }} {% else %} return {% endif %}

		{% else %}
		{% if (length(access_control['user']) > 0): %}
		meta l4proto tcp meta skuid { {% for (let user in access_control['user']): %} {{ user }}, {% endfor %} } counter {% if (access_control.proxy == '1'): %} redirect to :{{ redir_port }} {% else %} return {% endif %}

		{% endif %}
		{% if (length(access_control['group']) > 0): %}
		meta l4proto tcp meta skgid { {% for (let group in access_control['group']): %} {{ group }}, {% endfor %} } counter {% if (access_control.proxy == '1'): %} redirect to :{{ redir_port }} {% else %} return {% endif %}

		{% endif %}
		{% if (cgroups_version == 2 && length(access_control['cgroup']) > 0): %}
		meta l4proto tcp socket cgroupv2 level 2 { {% for (let cgroup in access_control['cgroup']): %} services/{{ cgroup }}, {% endfor %} } counter {% if (access_control.proxy == '1'): %} redirect to :{{ redir_port }} {% else %} return {% endif %}

		{% endif %}
		{% endif %}
		{% endif %}
		{% endfor %}
	}

	chain router_tproxy {
		{% for (let access_control in router_access_control): %}
		{% if (access_control['enabled']): %}
		{% if (length(access_control['user']) == 0 && length(access_control['group']) == 0 && length(access_control['cgroup']) == 0): %}
		meta l4proto { tcp, udp } {% if (access_control.proxy == '1'): %} meta mark set {{ tproxy_fw_mark }} counter accept {% else %} counter return {% endif %}

		{% else %}
		{% if (length(access_control['user']) > 0): %}
		meta l4proto { tcp, udp } meta skuid { {% for (let user in access_control['user']): %} {{ user }}, {% endfor %} } {% if (access_control.proxy == '1'): %} meta mark set {{ tproxy_fw_mark }} counter accept {% else %} counter return {% endif %}

		{% endif %}
		{% if (length(access_control['group']) > 0): %}
		meta l4proto { tcp, udp } meta skgid { {% for (let group in access_control['group']): %} {{ group }}, {% endfor %} } {% if (access_control.proxy == '1'): %} meta mark set {{ tproxy_fw_mark }} counter accept {% else %} counter return {% endif %}

		{% endif %}
		{% if (cgroups_version == 2 && length(access_control['cgroup']) > 0): %}
		meta l4proto { tcp, udp } socket cgroupv2 level 2 { {% for (let cgroup in access_control['cgroup']): %} services/{{ cgroup }}, {% endfor %} } {% if (access_control.proxy == '1'): %} meta mark set {{ tproxy_fw_mark }} counter accept {% else %} counter return {% endif %}

		{% endif %}
		{% endif %}
		{% endif %}
		{% endfor %}
	}

	chain router_tun {
		{% for (let access_control in router_access_control): %}
		{% if (access_control['enabled']): %}
		{% if (length(access_control['user']) == 0 && length(access_control['group']) == 0 && length(access_control['cgroup']) == 0): %}
		meta l4proto { tcp, udp } {% if (access_control.proxy == '1'): %} meta mark set {{ tun_fw_mark }} counter accept {% else %} counter return {% endif %}

		{% else %}
		{% if (length(access_control['user']) > 0): %}
		meta l4proto { tcp, udp } meta skuid { {% for (let user in access_control['user']): %} {{ user }}, {% endfor %} } {% if (access_control.proxy == '1'): %} meta mark set {{ tun_fw_mark }} counter accept {% else %} counter return {% endif %}

		{% endif %}
		{% if (length(access_control['group']) > 0): %}
		meta l4proto { tcp, udp } meta skgid { {% for (let group in access_control['group']): %} {{ group }}, {% endfor %} } {% if (access_control.proxy == '1'): %} meta mark set {{ tun_fw_mark }} counter accept {% else %} counter return {% endif %}

		{% endif %}
		{% if (cgroups_version == 2 && length(access_control['cgroup']) > 0): %}
		meta l4proto { tcp, udp } socket cgroupv2 level 2 { {% for (let cgroup in access_control['cgroup']): %} services/{{ cgroup }}, {% endfor %} } {% if (access_control.proxy == '1'): %} meta mark set {{ tun_fw_mark }} counter accept {% else %} counter return {% endif %}

		{% endif %}
		{% endif %}
		{% endif %}
		{% endfor %}
	}

	chain lan_dns_hijack {
		{% for (let access_control in lan_access_control): %}
		{% if (access_control['enabled']): %}
		{% if (length(access_control['ip']) == 0 && length(access_control['ip6']) == 0 && length(access_control['mac']) == 0): %}
		meta l4proto { tcp, udp } th dport 53 counter {% if (access_control.proxy == '1'): %} redirect to :{{ dns_port }} {% else %} return {% endif %}

		{% else %}
		{% if (length(access_control['ip']) > 0): %}
		meta l4proto { tcp, udp } ip saddr { {% for (let ip in access_control['ip']): %} {{ ip }}, {% endfor %} } th dport 53 counter {% if (access_control.proxy == '1'): %} redirect to :{{ dns_port }} {% else %} return {% endif %}

		{% endif %}
		{% if (length(access_control['ip6']) > 0): %}
		meta l4proto { tcp, udp } ip6 saddr { {% for (let ip6 in access_control['ip6']): %} {{ ip6 }}, {% endfor %} } th dport 53 counter {% if (access_control.proxy == '1'): %} redirect to :{{ dns_port }} {% else %} return {% endif %}

		{% endif %}
		{% if (length(access_control['mac']) > 0): %}
		meta l4proto { tcp, udp } ether saddr { {% for (let mac in access_control['mac']): %} {{ mac }}, {% endfor %} } th dport 53 counter {% if (access_control.proxy == '1'): %} redirect to :{{ dns_port }} {% else %} return {% endif %}

		{% endif %}
		{% endif %}
		{% endif %}
		{% endfor %}
	}

	chain lan_redirect {
		{% for (let access_control in lan_access_control): %}
		{% if (access_control['enabled']): %}
		{% if (length(access_control['ip']) == 0 && length(access_control['ip6']) == 0 && length(access_control['mac']) == 0): %}
		meta l4proto tcp counter {% if (access_control.proxy == '1'): %} redirect to :{{ redir_port }} {% else %} counter return {% endif %}

		{% else %}
		{% if (length(access_control['ip']) > 0): %}
		meta l4proto tcp ip saddr { {% for (let ip in access_control['ip']): %} {{ ip }}, {% endfor %} } counter {% if (access_control.proxy == '1'): %} redirect to :{{ redir_port }} {% else %} return {% endif %}

		{% endif %}
		{% if (length(access_control['ip6']) > 0): %}
		meta l4proto tcp ip6 saddr { {% for (let ip6 in access_control['ip6']): %} {{ ip6 }}, {% endfor %} } counter {% if (access_control.proxy == '1'): %} redirect to :{{ redir_port }} {% else %} return {% endif %}

		{% endif %}
		{% if (length(access_control['mac']) > 0): %}
		meta l4proto tcp ether saddr { {% for (let mac in access_control['mac']): %} {{ mac }}, {% endfor %} } counter {% if (access_control.proxy == '1'): %} redirect to :{{ redir_port }} {% else %} return {% endif %}

		{% endif %}
		{% endif %}
		{% endif %}
		{% endfor %}
	}

	chain lan_tproxy {
		{% for (let access_control in lan_access_control): %}
		{% if (access_control['enabled']): %}
		{% if (length(access_control['ip']) == 0 && length(access_control['ip6']) == 0 && length(access_control['mac']) == 0): %}
		meta l4proto { tcp, udp } {% if (access_control.proxy == '1'): %} meta mark set {{ tproxy_fw_mark }} tproxy to :{{ tproxy_port }} counter accept {% else %} counter return {% endif %}

		{% else %}
		{% if (length(access_control['ip']) > 0): %}
		meta l4proto { tcp, udp } ip saddr { {% for (let ip in access_control['ip']): %} {{ ip }}, {% endfor %} } {% if (access_control.proxy == '1'): %} meta mark set {{ tproxy_fw_mark }} tproxy ip to :{{ tproxy_port }} counter accept {% else %} counter return {% endif %}

		{% endif %}
		{% if (length(access_control['ip6']) > 0): %}
		meta l4proto { tcp, udp } ip6 saddr { {% for (let ip6 in access_control['ip6']): %} {{ ip6 }}, {% endfor %} } {% if (access_control.proxy == '1'): %} meta mark set {{ tproxy_fw_mark }} tproxy ip6 to :{{ tproxy_port }} counter accept {% else %} counter return {% endif %}

		{% endif %}
		{% if (length(access_control['mac']) > 0): %}
		meta l4proto { tcp, udp } ether saddr { {% for (let mac in access_control['mac']): %} {{ mac }}, {% endfor %} } {% if (access_control.proxy == '1'): %} meta mark set {{ tproxy_fw_mark }} tproxy to :{{ tproxy_port }} counter accept {% else %} counter return {% endif %}

		{% endif %}
		{% endif %}
		{% endif %}
		{% endfor %}
	}

	chain lan_tun {
		{% for (let access_control in lan_access_control): %}
		{% if (access_control['enabled']): %}
		{% if (length(access_control['ip']) == 0 && length(access_control['ip6']) == 0 && length(access_control['mac']) == 0): %}
		meta l4proto { tcp, udp } {% if (access_control.proxy == '1'): %} meta mark set {{ tun_fw_mark }} counter accept {% else %}counter return {% endif %}

		{% else %}
		{% if (length(access_control['ip']) > 0): %}
		meta l4proto { tcp, udp } ip saddr { {% for (let ip in access_control['ip']): %} {{ ip }}, {% endfor %} } {% if (access_control.proxy == '1'): %} meta mark set {{ tun_fw_mark }} counter accept {% else %}counter return {% endif %}

		{% endif %}
		{% if (length(access_control['ip6']) > 0): %}
		meta l4proto { tcp, udp } ip6 saddr { {% for (let ip6 in access_control['ip6']): %} {{ ip6 }}, {% endfor %} } {% if (access_control.proxy == '1'): %} meta mark set {{ tun_fw_mark }} counter accept {% else %}counter return {% endif %}

		{% endif %}
		{% if (length(access_control['mac']) > 0): %}
		meta l4proto { tcp, udp } ether saddr { {% for (let mac in access_control['mac']): %} {{ mac }}, {% endfor %} } {% if (access_control.proxy == '1'): %} meta mark set {{ tun_fw_mark }} counter accept {% else %}counter return {% endif %}

		{% endif %}
		{% endif %}
		{% endif %}
		{% endfor %}
	}

	{% if (router_proxy): %}
	chain nat_output {
		type nat hook output priority filter; policy accept;
		{% if (cgroups_version == 1): %}
		meta cgroup {{ cgroup_id }} counter return
		{% elif (cgroups_version == 2): %}
		socket cgroupv2 level 2 services/{{ cgroup_name }} counter return
		{% endif %}
		meta nfproto @dns_hijack_nfproto jump router_dns_hijack
		{% if (tcp_mode == 'redirect'): %}
		fib daddr type { local, multicast, broadcast, anycast } counter return
		ct direction reply counter return
		ip daddr @reserved_ip counter return
		ip6 daddr @reserved_ip6 counter return
		ip daddr @china_ip counter return
		ip6 daddr @china_ip6 counter return
		meta nfproto ipv4 meta l4proto . th dport != @proxy_dport ip daddr != {{ fake_ip_range }} counter return
		meta nfproto ipv6 meta l4proto . th dport != @proxy_dport counter return
		meta l4proto { tcp, udp } ip dscp @bypass_dscp ip daddr != {{ fake_ip_range }} counter return
		meta l4proto { tcp, udp } ip6 dscp @bypass_dscp counter return
		meta nfproto @proxy_nfproto jump router_redirect
		{% endif %}
		{% if (fake_ip_ping_hijack): %}
		ip protocol icmp icmp type echo-request ip daddr {{ fake_ip_range }} counter redirect
		{% endif %}
	}

	chain mangle_output {
		type route hook output priority mangle; policy accept;
		{% if (cgroups_version == 1): %}
		meta cgroup {{ cgroup_id }} counter return
		{% elif (cgroups_version == 2): %}
		socket cgroupv2 level 2 services/{{ cgroup_name }} counter return
		{% endif %}
		fib daddr type { local, multicast, broadcast, anycast } counter return
		ct direction reply counter return
		ip daddr @reserved_ip counter return
		ip6 daddr @reserved_ip6 counter return
		ip daddr @china_ip counter return
		ip6 daddr @china_ip6 counter return
		meta nfproto ipv4 meta l4proto . th dport != @proxy_dport ip daddr != {{ fake_ip_range }} counter return
		meta nfproto ipv6 meta l4proto . th dport != @proxy_dport counter return
		meta l4proto { tcp, udp } ip dscp @bypass_dscp ip daddr != {{ fake_ip_range }} counter return
		meta l4proto { tcp, udp } ip6 dscp @bypass_dscp counter return
		meta nfproto @dns_hijack_nfproto meta l4proto { tcp, udp } th dport 53 counter return
		{% if (tcp_mode == 'tproxy'): %}
		meta nfproto @proxy_nfproto meta l4proto tcp jump router_tproxy
		{% elif (tcp_mode == 'tun'): %}
		meta nfproto @proxy_nfproto meta l4proto tcp jump router_tun
		{% endif %}
		{% if (udp_mode == 'tproxy'): %}
		meta nfproto @proxy_nfproto meta l4proto udp jump router_tproxy
		{% elif (udp_mode == 'tun'): %}
		meta nfproto @proxy_nfproto meta l4proto udp jump router_tun
		{% endif %}
	}

	chain mangle_prerouting_router {
		type filter hook prerouting priority mangle - 1; policy accept;
		{% if (tcp_mode == 'tproxy' || udp_mode == 'tproxy'): %}
		iifname lo meta l4proto { tcp, udp } meta mark {{ tproxy_fw_mark }} tproxy to :{{ tproxy_port }} counter accept
		{% endif %}
		{% if (tcp_mode == 'tun' || udp_mode == 'tun'): %}
		iifname {{ tun_device }} meta l4proto { icmp, tcp, udp } counter accept
		{% endif %}
	}
	{% endif %}

	{% if (lan_proxy): %}
	chain dstnat {
		type nat hook prerouting priority dstnat + 1; policy accept;
		iifname @lan_inbound_device meta nfproto @dns_hijack_nfproto jump lan_dns_hijack
		{% if (tcp_mode == 'redirect'): %}
		fib daddr type { local, multicast, broadcast, anycast } counter return
		ct direction reply counter return
		ip daddr @reserved_ip counter return
		ip6 daddr @reserved_ip6 counter return
		ip daddr @china_ip counter return
		ip6 daddr @china_ip6 counter return
		meta nfproto ipv4 meta l4proto . th dport != @proxy_dport ip daddr != {{ fake_ip_range }} counter return
		meta nfproto ipv6 meta l4proto . th dport != @proxy_dport counter return
		meta l4proto { tcp, udp } ip dscp @bypass_dscp ip daddr != {{ fake_ip_range }} counter return
		meta l4proto { tcp, udp } ip6 dscp @bypass_dscp counter return
		iifname @lan_inbound_device meta nfproto @proxy_nfproto jump lan_redirect
		{% endif %}
		{% if (fake_ip_ping_hijack): %}
		ip protocol icmp icmp type echo-request ip daddr {{ fake_ip_range }} counter redirect
		{% endif %}
	}

	chain mangle_prerouting_lan {
		type filter hook prerouting priority mangle; policy accept;
		fib daddr type { local, multicast, broadcast, anycast } counter return
		ct direction reply counter return
		ip daddr @reserved_ip counter return
		ip6 daddr @reserved_ip6 counter return
		ip daddr @china_ip counter return
		ip6 daddr @china_ip6 counter return
		meta nfproto ipv4 meta l4proto . th dport != @proxy_dport ip daddr != {{ fake_ip_range }} counter return
		meta nfproto ipv6 meta l4proto . th dport != @proxy_dport counter return
		meta l4proto { tcp, udp } ip dscp @bypass_dscp ip daddr != {{ fake_ip_range }} counter return
		meta l4proto { tcp, udp } ip6 dscp @bypass_dscp counter return
		meta nfproto @dns_hijack_nfproto meta l4proto { tcp, udp } th dport 53 counter return
		{% if (tcp_mode == 'tproxy'): %}
		iifname @lan_inbound_device meta nfproto @proxy_nfproto meta l4proto tcp jump lan_tproxy
		{% elif (tcp_mode == 'tun'): %}
		iifname @lan_inbound_device meta nfproto @proxy_nfproto meta l4proto tcp jump lan_tun
		{% endif %}
		{% if (udp_mode == 'tproxy'): %}
		iifname @lan_inbound_device meta nfproto @proxy_nfproto meta l4proto udp jump lan_tproxy
		{% elif (udp_mode == 'tun'): %}
		iifname @lan_inbound_device meta nfproto @proxy_nfproto meta l4proto udp jump lan_tun
		{% endif %}
	}
	{% endif %}
}

include "/etc/nikki/nftables/reserved_ip.nft"
include "/etc/nikki/nftables/reserved_ip6.nft"

{% if (bypass_china_mainland_ip): %}
include "/etc/nikki/nftables/geoip_cn.nft"
include "/etc/nikki/nftables/geoip6_cn.nft"
{% endif %}