add binary file and scripts

config/scripts/post-config.d/dhcp.sh

@@ -0,0 +1,10 @@
+#!/bin/sh
+
+/etc/init.d/dhcpd stop
+
+ln -sf /config/user-data/dhcp/sbin/dhcpd /usr/sbin/dhcpd
+cp -f  /config/user-data/dhcp/init.d/dhcpd /etc/init.d/dhcpd
+
+/etc/init.d/dhcpd start
+
+exit 0

config/user-data/dhcp/init.d/dhcpd

@@ -0,0 +1,113 @@
+#!/bin/sh
+### BEGIN INIT INFO
+# Provides:          dhcpd
+# Required-Start:    $syslog $remote_fs $network
+# Required-Stop:     $syslog $remote_fs $network
+# Default-Start:     
+# Default-Stop:      0 1 6
+# Short-Description: Stops dhcpd (start is done by vyatta cli)
+# Description:       Stops dhcpd daemon
+### END INIT INFO
+
+. /lib/lsb/init-functions
+
+LEASES=dhcpd.leases
+LEASEFILE=/var/run/$LEASES
+LEASEFILEBAK=/config/$LEASES
+CONFIGFILE=/opt/vyatta/etc/dhcpd.conf
+PIDFILE=/var/run/dhcpd.pid
+UNUSEDPIDFILE=/var/run/dhcpd-unused.pid
+CRONFILE=dhcpd-cron
+CRONSRC=/opt/vyatta/sbin/$CRONFILE
+CRONDEST=/etc/cron.hourly/$CRONFILE
+
+start() {
+	if [ ! -f "$CONFIGFILE" ]; then
+	  log_failure_msg "Cannot start the DHCP server because configuration file $CONFIGFILE is absent."
+	  exit 1
+	fi
+
+    echo "Starting DHCP server daemon..."
+
+    if [ ! -f $LEASEFILE ]; then
+        if [ -e $LEASEFILEBAK ]; then
+            cp $LEASEFILEBAK $LEASEFILE
+        else
+            touch $LEASEFILE
+        fi
+    fi
+
+	OUTPUT=`start-stop-daemon --start --make-pidfile --pidfile $PIDFILE -b --exec /usr/sbin/dhcpd \
+	-- -f -pf $UNUSEDPIDFILE -cf $CONFIGFILE -lf $LEASEFILE 2>&1`
+	PID=`cat $PIDFILE 2>/dev/null`
+	if [ ! -d "/proc/$PID" ]; then
+	  if [ "$OUTPUT" == "" ]; then
+	    # this can happen under high load due to some sort of a race condition
+	    sleep 1
+	    start
+	  else
+	    log_failure_msg "$OUTPUT"
+	    exit 1
+	  fi
+	fi
+    cp $CRONSRC $CRONDEST
+}
+
+stop() {
+	if [ -f "$PIDFILE" ]; then
+	  PID=`cat $PIDFILE` 
+	  if [ -n "$PID" ]; then 
+        echo "Stopping DHCP server daemon..."
+	    OUTPUT=`start-stop-daemon -q --stop --pidfile $PIDFILE 2>&1`
+
+# Commenting out verification loop for now.  Process goes into zombie state only on
+# system startup.  This causes a loop greater that 20 seconds which forces rtrmgr
+# to commit suicide.	    
+#	    while [ -d "/proc/$PID" ]; do
+#	      sleep 1
+#	    done
+	  fi
+	  rm -f $PIDFILE
+      rm -f $UNUSEDPIDFILE
+      if [ -e $LEASEFILE ]; then
+         mv $LEASEFILE $LEASEFILEBAK
+      fi
+      rm -f $CRONDEST
+	fi
+}
+
+restart () {
+	if [ -f "$PIDFILE" ]; then 
+	  PID=`cat $PIDFILE`
+	fi
+
+        if [ -n "$PID" ] && [ -d "/proc/$PID" ]; then
+	  OUTPUT=`kill -HUP $PID`
+	else
+ 	  start
+        fi
+}
+
+case "$1" in
+	start)
+		start
+		;;
+	stop)
+		stop
+		;;
+	restart)
+		stop
+		start
+		# note I am disabling restart because no sig will cause dnsmasq to re-read it's config file.
+		# this is not good since I think it loses it's cache file on complete restart.
+		# maybe we can fix this when we shift away from dnsmasq.  Hence I leave the original code
+		# in this file
+		# restart
+		;;
+	*)
+		log_failure_msg "usage: $0 {start|stop|restart} configfile interface"
+		exit 1
+		;;
+esac
+
+exit 0