strongswan: rename lifetime to life_time in child

Rename uci option 'lifetime' to 'life_time' in child via upgrade script to
match the 'swanctl.conf' '<child>.life_time' key.

Signed-off-by: Florian Eckert <fe@dev.tdt.de>

net/strongswan/files/etc/uci-defaults/strongswan

@@ -339,6 +339,11 @@ migrate_option_child_values() {
 	[ -z "$value" ] || {
 		uci -q rename "ipsec.${cfg}.rekeytime=rekey_time"
 	}
+
+	config_get value "$cfg" lifetime ""
+	[ -z "$value" ] || {
+		uci -q rename "ipsec.${cfg}.lifetime=life_time"
+	}
 }
 
 migrate_options() {

net/strongswan/files/swanctl.init

@@ -251,7 +251,7 @@ config_child() {
 	local start_action
 	local updown
 	local firewall
-	local lifetime
+	local life_time
 	local dpd_action
 	local close_action
 	local if_id
@@ -272,7 +272,7 @@ config_child() {
 	config_get start_action "$conf" start_action "none"
 	config_get updown "$conf" updown ""
 	config_get firewall "$conf" firewall ""
-	config_get lifetime "$conf" lifetime ""
+	config_get life_time "$conf" life_time ""
 	config_get dpd_action "$conf" dpd_action "clear"
 	config_get close_action "$conf" close_action "none"
 	config_get if_id "$conf" if_id ""
@@ -355,8 +355,8 @@ config_child() {
 	swanctl_xappend4 "esp_proposals = $esp_proposal"
 	swanctl_xappend4 "mode = $mode"
 
-	if [ -n "$lifetime" ]; then
-		swanctl_xappend4 "life_time = $lifetime"
+	if [ -n "$life_time" ]; then
+		swanctl_xappend4 "life_time = $life_time"
 	elif [ -n "$rekey_time" ]; then
 		swanctl_xappend4 "life_time = $(seconds2time $(((110 * $(time2seconds $rekey_time)) / 100)))"
 	fi