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#!/bin/sh
# Start or stop strongswan

# PROVIDE: strongswan
# REQUIRE: DAEMON
# BEFORE: LOGIN
# KEYWORD: shutdown

# strongswan_enable (bool):
#	Set it to "YES" to enable strongswan
#	Default is "NO"
# strongswan_interface (string):
#	Set the control interface to use.
#	Valid options are:
#	"stroke" for the old ipsec/startr interface
#	"vici" for the newer swanctl intrface
#	Default is "vici"

. /etc/rc.subr

name=strongswan
desc="Strongswan IPsec startup script"
required_modules="ipsec"
rcvar=strongswan_enable

load_rc_config $name

: ${strongswan_enable:=NO}
: ${strongswan_interface:="vici"}

extra_commands="reload statusall"

charon_command=/usr/local/libexec/ipsec/charon
charon_pidfile=/var/run/charon.pid
swanctl_command=/usr/local/sbin/swanctl

case $strongswan_interface in
[Ss][Tt][Rr][Oo][Kk][Ee])
	# "stroke"
	command="/usr/local/sbin/ipsec"
	start_precmd=command_args=start
	stop_cmd="${command} stop"
	status_cmd="${command} status"
	reload_cmd="${command} reload"
	statusall_cmd="${command} statusall"
	;;

[Vv][Ii][Cc][Ii])
	# "vici"
	command=/usr/sbin/daemon
	pidfile=/var/run/daemon-charon.pid
	command_args="-S -P ${pidfile} ${charon_command} --use-syslog"

	required_files=${charon_command}
	extra_commands="reload statusall"

	start_postcmd=${name}_swanctl_poststart
	status_cmd="${swanctl_command} --stats"
	reload_cmd=${name}_swanctl_reload
	statusall_cmd=${name}_swanctl_statusall
	;;

	*)
	# "default"
	warn "\$strongswan_interface setting is invalid - options supported are \"stroke\" or \"vici\"."
	exit 1
	;;
esac

strongswan_swanctl_poststart()
{
	local _waitmax=5

	# Need to wait for charon to finish startup,
	# else vici socket is unreadable
	while [ ! -f ${charon_pidfile} ] && [ ${_waitmax} -gt 0 ]; do
		sleep 1
		_waitmax=$((_waitmax - 1))
	done

	${swanctl_command} --load-all --noprompt
}

strongswan_swanctl_reload()
{
	${swanctl_command} --reload-settings
	${swanctl_command} --load-all --noprompt
}

strongswan_swanctl_statusall()
{
	${swanctl_command} --stats
	${swanctl_command} --list-conns
	${swanctl_command} --list-sas
}

run_rc_command "$1"

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