add option to set the group owning /proc/rtpengine

el/rtpengine.init

@@ -182,7 +182,13 @@ start() {
 		rmmod xt_RTPENGINE 2> /dev/null
 		if [[ -n "$RE_USER" ]]
 		then
-			modprobe xt_RTPENGINE set_proc_id=1 proc_uid=$(id $RE_USER -u) proc_gid=$(id $RE_USER -g)
+			if [[ -n "$RE_GROUP" ]]
+			then
+				proc_gid=$(grep ^$RE_GROUP: /etc/group | cut -f3 -d:)
+			else
+				proc_gid=$(id $RE_USER -g)
+			fi
+			modprobe xt_RTPENGINE proc_uid=$(id $RE_USER -u) proc_gid=$proc_gid
 		else
 			modprobe xt_RTPENGINE
 		fi

el/rtpengine.sysconfig

@@ -42,3 +42,5 @@ LISTEN_UDP=127.0.0.1:2222	# IP address and port combination for UDP
 #B2B_URL=http://127.0.0.1:8080/xmlrpc
 
 #RE_USER=rtpengine	# Run rtpengine as this specific user
+
+#RE_GROUP=rtpengine	# allow this group to control rtpengine in kernel mode