named.init

   1 #!/bin/sh
   2 #
   3 # named         This shell script takes care of starting and stopping
   4 #               named (BIND DNS server).
   5 #
   6 # chkconfig:    345 11 89
   7 #
   8 # description:  named (BIND) is a Domain Name Server (DNS) \
   9 #               that is used to resolve host names to IP addresses.
  10
  11 CHROOT_TO_DIR="/var/lib/named"
  12
  13 # Source function library
  14 . /etc/rc.d/init.d/functions
  15
  16 # Source networking configuration
  17 . /etc/sysconfig/network
  18
  19 NAMED_OPT=""
  20
  21 # Try get config..
  22 [ -f /etc/sysconfig/named ] && . /etc/sysconfig/named
  23
  24 # Check that networking is up.
  25 if is_yes "${NETWORKING}"; then
  26         if [ ! -f /var/lock/subsys/network -a "$1" != stop -a "$1" != status ]; then
  27                 msg_network_down "Named"
  28                 exit 1
  29         fi
  30 else
  31         exit 0
  32 fi
  33
  34 # Sanity check
  35 [ -e /etc/named.conf ] || exit 0
  36
  37 [ -n "$NUM_CPUS" ] && NAMED_OPT="$NAMED_OPT -n $NUM_CPUS"
  38
  39 start() {
  40         # Check if the service is already running?
  41         if [ -f /var/lock/subsys/named ]; then
  42                 msg_already_running "Named"
  43                 return
  44         fi
  45
  46         msg_starting "Named"
  47         modprobe -s capability > /dev/null 2>&1
  48         [ -f /etc/localtime ] && cp -puL /etc/localtime $CHROOT_TO_DIR/etc/localtime
  49         touch $CHROOT_TO_DIR/named.log && \
  50                 chown named:named $CHROOT_TO_DIR/named.log
  51         daemon --pidfile $CHROOT_TO_DIR/named.pid /usr/sbin/named -u named \
  52                 -t $CHROOT_TO_DIR -c /etc/named.conf $NAMED_OPT </dev/null
  53         RETVAL=$?
  54         [ $RETVAL -eq 0 ] && touch /var/lock/subsys/named
  55 }
  56
  57 stop() {
  58         if [ ! -f /var/lock/subsys/named ]; then
  59                 msg_not_running "Named"
  60                 return
  61         fi
  62
  63         msg_stopping "Named"
  64         killproc --pidfile $CHROOT_TO_DIR/named.pid named
  65         rm -f /var/lock/subsys/named >/dev/null 2>&1
  66 }
  67
  68 reload() {
  69         if [ ! -f /var/lock/subsys/named ]; then
  70                 msg_not_running "Named"
  71                 RETVAL=7
  72                 return
  73         fi
  74
  75         if [ -f /etc/rndc.conf ]; then
  76                 run_cmd "$(nls 'Reloading %s service' 'Named')" /usr/sbin/rndc reload
  77         else
  78                 msg_reloading "Named"
  79                 killproc named -HUP
  80                 RETVAL=$?
  81         fi
  82 }
  83
  84 condrestart() {
  85         if [ ! -f /var/lock/subsys/named ]; then
  86                 msg_not_running "Named"
  87                 RETVAL=$1
  88                 return
  89         fi
  90
  91         stop
  92         start
  93 }
  94
  95 RETVAL=0
  96 # See how we were called.
  97 case "$1" in
  98   start)
  99         start
 100         ;;
 101   stop)
 102         stop
 103         ;;
 104   restart)
 105         stop
 106         start
 107         ;;
 108   try-restart)
 109         condrestart 0
 110         ;;
 111   reload|force-reload)
 112         reload
 113         ;;
 114   status)
 115         status named
 116         RETVAL=$?
 117         if [ -f /etc/rndc.conf ]; then
 118                 /usr/sbin/rndc status
 119                 RET=$?
 120                 if [ $RET -ne 0 ]; then
 121                         RETVAL=$RET
 122                 fi
 123         fi
 124         ;;
 125   *)
 126         msg_usage "$0 {start|stop|restart|try-restart|reload|force-reload|status}"
 127         exit 3
 128 esac
 129
 130 exit $RETVAL