#!/bin/sh

# PROVIDE: wireguard
# REQUIRE: NETWORKING
# KEYWORD: shutdown
#
# wireguard_enable (bool):    Set to "YES" to enable wireguard.
#                             (default: "NO")
#
# wireguard_interfaces (str): List of interfaces to bring up/down
#                             on start/stop. (eg: "wg0 wg1")
#                             (default: "")
# wireguard_env (str):        Environment variables for the userspace
#                             implementation. (eg: "LOG_LEVEL=debug")

. /etc/rc.subr

name=wireguard
rcvar=wireguard_enable
extra_commands="reload status"

start_cmd="${name}_start"
stop_cmd="${name}_stop"
reload_cmd="${name}_reload"
status_cmd="${name}_status"

wireguard_start()
{
	${wireguard_env:+eval export $wireguard_env}

	for interface in ${wireguard_interfaces}; do
		%%PREFIX%%/bin/wg-quick up ${interface}
	done
}

wireguard_stop()
{
	for interface in ${wireguard_interfaces}; do
		%%PREFIX%%/bin/wg-quick down ${interface}
	done

	if kldstat -q -n if_wg; then
		if ! kldunload if_wg > /dev/null 2>&1; then
			warn "Can't unload if_wg module."
			return 1
		fi
	fi
}

wireguard_reload()
{
	${wireguard_env:+eval export $wireguard_env}

	for interface in ${wireguard_interfaces}; do
		tmpfile="`mktemp`"
		%%PREFIX%%/bin/wg-quick strip ${interface} > ${tmpfile}
		%%PREFIX%%/bin/wg syncconf ${interface} ${tmpfile}
		rm -f ${tmpfile}
	done
}

wireguard_status()
{
	${wireguard_env:+eval export $wireguard_env}
	wireguard_status="0"

	for interface in ${wireguard_interfaces}; do
		%%PREFIX%%/bin/wg show ${interface} || wireguard_status="1"
	done

	return ${wireguard_status}
}

load_rc_config $name

: ${wireguard_enable="NO"}
: ${wireguard_interfaces=""}
: ${wireguard_env=""}

run_rc_command "$1"