[Unit]
Description=Batman gateway creation
After=network.target sys-subsystem-net-devices-wlan0.device
Wants=network.target sys-subsystem-net-devices-wlan0.device

[Service]
Type=oneshot
RemainAfterExit=yes
ExecStartPre=/sbin/sysctl -w net.ipv4.ip_forward=1
ExecStartPre=/sbin/ip link set up mtu 1560 dev wlan0
ExecStartPre=/sbin/iw wlan0 set type ibss
ExecStartPre=/sbin/iw dev wlan0 ibss join NVIDIA 5180 ca:92:26:4b:32:5a
ExecStart=/usr/local/sbin/batctl if add wlan0
ExecStart=/sbin/ip link set bat0 up
#ExecStart=/usr/local/sbin/batctl gw_mode server
ExecStart=/sbin/ip addr add 192.168.143.1/24 broadcast 192.168.143.255 dev bat0
ExecStartPost=/sbin/iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE
ExecStartPost=/sbin/iptables -A FORWARD -i eth0 -o bat0 -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
ExecStartPost=/sbin/iptables -A FORWARD -i bat0 -o eth0 -j ACCEPT
ExecStop=/bin/echo 0 > /proc/sys/net/ipv4/ip_forward
ExecStop=/sbin/ip link set down wlan0
ExecStop=/sbin/ip link set down bat0
ExecStop=/sbin/ip addr flush dev bat0
ExecStop=/sbin/ip route flush dev bat0
ExecStop=/sbin/iw wlan0 set type managed
ExecStop=/sbin/iptables -t nat -D POSTROUTING -o eth0 -j MASQUERADE
ExecStop=/sbin/iptables -D FORWARD -i eth0 -o bat0 -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
ExecStop=/sbin/iptables -D FORWARD -i bat0 -o eth0 -j ACCEPT
ExecStop=/sbin/sysctl -w net.ipv4.ip_forward=0

[Install]
WantedBy=multi-user.target