implement additional rc scripting start, fix for https://github.com/opnsense/core/issues/94

uses a more standard approach to startup daemons via the rc.d system.

To enable, place a file for your service in /etc/rc.conf.d/ and set the enable variable to YES ( for example squid_enable=YES )

src/etc/rc

@@ -282,6 +282,9 @@ echo -n "Starting CRON... "
 cd /tmp && /usr/sbin/cron -s 2>/dev/null
 echo "done."
 
+# starting standard rc scripts
+/usr/local/etc/rc.opnsense start
+
 # Start ping handler every 240 seconds
 /usr/local/bin/minicron 240 /var/run/ping_hosts.pid /usr/local/bin/ping_hosts.sh
 

src/etc/rc.opnsense

@@ -0,0 +1,28 @@
+#!/bin/sh
+
+# check which services to enable
+. /etc/rc.conf
+for rc_conf in /etc/rc.conf.d/*;
+do
+   . $rc_conf
+done
+
+# probe all deamons in /usr/local/etc/rc.d/
+ls /usr/local/etc/rc.d/* | while read rc_filename
+do
+#  echo $rc_filename
+  # read rc scripts and parse name and rcvar variables
+  _file=`basename $rc_filename`
+  eval `/usr/bin/grep "name[[:blank:]]*=" $rc_filename | /usr/bin/head -n 1`
+  eval `grep "rcvar[[:blank:]]*=" $rc_filename | /usr/bin/sed '/^$/d'`
+
+  # check if service is enabled
+  eval "is_enabled=\$"$rcvar""
+
+  # start/stop service  
+  if [ "$is_enabled" == "YES" ]; then
+  	$rc_filename $1
+  fi
+done
+
+