ssm-services/init.d/cjdroute

#!/usr/bin/env watchman

unset reload

service_username='cjdns'
service_command='/usr/local/sbin/cjdroute'
service_args='< /etc/cjdns/cjdroute.conf'

cjdroute_tun_interface='cjd0'
cjdroute_ipv6_addr='fca7:8aef:6571:63c5:b23c:2fbc:8dea:e207/8'
cjdroute_listen_port='11270'

service_pid=`lsof -i :"$cjdroute_listen_port" | tail -1 | cut -d ' ' -f 2`

cjdroute.create_tun() {
	ip tuntap add mode tun user "$service_username" group "$service_username" "$cjdroute_tun_interface"
	ip a add "$cjdroute_ipv6_addr" dev "$cjdroute_tun_interface"
	ip link set "$cjdroute_tun_interface" up
}

cjdroute.destroy_tun() {
	ip tuntap del mode tun "$cjdroute_tun_interface"
}

cjdroute.check_tun_module() {
	[[ -e '/dev/net/tun' ]] || {
		modprobe tun || {
			watchman.err "Could not load module tun!"
			return 1
		}
	}
}

start() {
	cjdroute.check_tun_module || { return 1; }
	
	[[ "$service_username" ]] && {
		cjdroute.create_tun || { return 1; }
	}

	watchman.start
}

stop() {
	watchman.stop

	[[ "$service_username" ]] && { cjdroute.destroy_tun; }
}