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      1 #!/bin/sh
      2 #
      3 # unbound	This shell script takes care of starting and stopping
      4 #		unbound (DNS server).
      5 #
      6 # chkconfig:   - 14 86
      7 # description:	unbound is a Domain Name Server (DNS) \
      8 #		that is used to resolve host names to IP addresses.
      9 
     10 ### BEGIN INIT INFO
     11 # Provides: unbound
     12 # Required-Start: $network $local_fs
     13 # Required-Stop: $network $local_fs
     14 # Should-Start: $syslog
     15 # Should-Stop: $syslog
     16 # Short-Description: unbound recursive Domain Name Server.
     17 # Description:  unbound is a Domain Name Server (DNS) 
     18 #		that is used to resolve host names to IP addresses.
     19 ### END INIT INFO
     20 
     21 # Source function library.
     22 . /etc/rc.d/init.d/functions
     23 
     24 exec="/usr/sbin/unbound"
     25 config="/var/lib/unbound/unbound.conf"
     26 rootdir="/var/lib/unbound"
     27 pidfile="/var/run/unbound/unbound.pid"
     28 
     29 [ -e /etc/sysconfig/unbound ] && . /etc/sysconfig/unbound
     30 
     31 lockfile=/var/lock/subsys/unbound
     32 
     33 start() {
     34     [ -x $exec ] || exit 5
     35     [ -f $config ] || exit 6
     36     echo -n $"Starting unbound: "
     37 
     38 	if [ ! -e ${rootdir}/etc/resolv.conf ] || /usr/bin/cmp -s /etc/resolv.conf ${rootdir}/etc/resolv.conf; then
     39 	    cp -fp /etc/resolv.conf ${rootdir}/etc/resolv.conf
     40 	fi;
     41 	if [ ! -e ${rootdir}/etc/localtime ] || /usr/bin/cmp -s /etc/localtime ${rootdir}/etc/localtime; then
     42 	    cp -fp /etc/localtime ${rootdir}/etc/localtime
     43 	fi;
     44 	mount --bind -n /dev/log ${rootdir}/dev/log >/dev/null 2>&1;
     45 	mount --bind -n /dev/urandom ${rootdir}/dev/urandom >/dev/null 2>&1;
     46 	mount --bind -n /var/run/unbound ${rootdir}/var/run/unbound >/dev/null 2>&1;
     47 
     48     # if not running, start it up here
     49     daemon $exec
     50     retval=$?
     51     [ $retval -eq 0 ] && touch $lockfile
     52     echo
     53 }
     54 
     55 stop() {
     56     echo -n $"Stopping unbound: "
     57     # stop it here, often "killproc unbound"
     58     killproc -p $pidfile unbound
     59     retval=$?
     60     [ $retval -eq 0 ] && rm -f $lockfile
     61     [ $retval -eq 0 ] && rm -f $pidfile
     62     for mountfile in /dev/log /dev/urandom /etc/localtime /etc/resolv.conf /var/run/unbound
     63     do
     64     if egrep -q '^/[^[:space:]]+[[:space:]]+'${rootdir}''${mountfile}'' /proc/mounts; then
     65 	umount ${rootdir}$mountfile >/dev/null 2>&1
     66     fi;
     67     done
     68     echo
     69 }
     70 
     71 restart() {
     72     stop
     73     start
     74 }
     75 
     76 reload() {
     77     kill -HUP `cat $pidfile`
     78 }
     79 
     80 force_reload() {
     81     restart
     82 }
     83 
     84 rh_status() {
     85     # run checks to determine if the service is running or use generic status
     86     status -p $pidfile unbound
     87 }
     88 
     89 rh_status_q() {
     90     rh_status -p $pidfile >/dev/null 2>&1
     91 }
     92 
     93 case "$1" in
     94     start)
     95         start
     96         ;;
     97     stop)
     98         stop
     99         ;;
    100     restart)
    101         restart
    102         ;;
    103     reload)
    104         reload
    105         ;;
    106     force-reload)
    107         force_reload
    108         ;;
    109     status)
    110         rh_status
    111         ;;
    112     condrestart|try-restart)
    113         rh_status_q || exit 0
    114         restart
    115         ;;
    116     *)
    117         echo $"Usage: $0 {start|stop|status|restart|condrestart|try-restart|reload|force-reload}"
    118         exit 2
    119 esac
    120 exit $?
    121