#!/bin/bash
set -eu

. ./lib.shs

# typically: bring up the networks
ip link set dev lo up

setup_for_router

# ISP network
ip addr add 10.0.0.2/24 dev isp_ve
# NAT: use 10.0.0.0/24 inside the network and 192.168.0.1/24 for the client network
nft add table ip nat
nft add chain ip nat postrouting { type nat hook postrouting priority srcnat \; }
nft add rule ip nat postrouting oifname \"isp_ve\" ip saddr 192.168.0.0/24 masquerade
ip link set dev isp_ve up
ip route add default via 10.0.0.1 dev isp_ve

# network for clients
ip addr add 192.168.0.1/24 dev cli_vwlan
# No IPv6 at public spaces lol
ip link set dev cli_vwlan up

# TODO: DHCP server!