aredn/files/etc/local/mesh-firewall/04-wireguard

#!/bin/sh

vtunduciport=$(uci get vtun.@options[0].port 2>/dev/null)
vtundport=${vtunduciport:-5525}
issupernode=$(uci get aredn.@supernode[0].enable 2>/dev/null)
if [ "$issupernode" = "1" ]; then
    vtundport=$(($vtundport+1000))
fi
vtundportend=$(($vtundport+128))

nft insert rule ip fw4 input_wan udp dport $vtundport-$vtundportend accept comment \"Wireguard\"
if [ "$(/sbin/uci -q get aredn.@tunnel[0].wanonly)" != "0" ]; then
    nft insert rule ip fw4 output_wifi udp dport $vtundport-$vtundportend reject comment \"Wireguard\"
    nft insert rule ip fw4 output_dtdlink udp dport $vtundport-$vtundportend reject comment \"Wireguard\"
fi