freeradius2: cleanup init script

The initscript originally imported from oldpackages no longer does
the job, sed'ery around ifconfig is just not the way.
Remove stuff which can also be done via /etc/freeradius2/* or
/etc/default/radiusd instead.

Fixes #1769 and #1193

Signed-off-by: Daniel Golle <daniel@makrotopia.org>

net/freeradius2/files/radiusd.init

@@ -1,22 +1,27 @@
 #!/bin/sh /etc/rc.common
-# Copyright (C) 2006 OpenWrt.org
+#
+# Copyright (C) 2006-2015 OpenWrt.org
+#
+
+USE_PROCD=1
+
 START=50
 
+NAME=radiusd
+PROG=/usr/sbin/radiusd
 DEFAULT=/etc/default/radiusd
-LOG_D=/var/log
-RUN_D=/var/run
-PID_F=$RUN_D/radiusd.pid
-RADACCT_D=/var/db/radacct
-IPADDR=$(ifconfig br-lan | sed -n 's/.*dr:\(.*\)Bc.*/\1/p')
 
-start() {
+start_service()
+{
 	[ -f $DEFAULT ] && . $DEFAULT
-	mkdir -p $LOG_D
-	mkdir -p $RUN_D
-	mkdir -p $RADACCT_D
-	radiusd -i $IPADDR -p 1812,1813 $OPTIONS
-}
+	mkdir -p /var/log
+	mkdir -p /var/run
+	mkdir -p /var/db/radacct
 
-stop() {
-	[ -f $PID_F ] && kill $(cat $PID_F)
+	procd_open_instance
+	procd_set_param command $PROG
+	[ -n "$IPADDR" ] && procd_append_param command -i $IPADDR
+	[ -n "$OPTIONS" ] && procd_append_param command $OPTIONS
+	procd_set_param respawn
+	procd_close_instance
 }