modules/unbound/files/unbound.init

   1 #!/bin/sh
   2
   3 ### BEGIN INIT INFO
   4 # Provides:          unbound
   5 # Required-Start:    $network $remote_fs $syslog
   6 # Required-Stop:     $network $remote_fs $syslog
   7 # Default-Start:     2 3 4 5
   8 # Default-Stop:      0 1 6
   9 ### END INIT INFO
  10 # pidfile: /run/unbound.pid
  11
  12 NAME=unbound
  13 DESC="recursive DNS server"
  14 DAEMON=/usr/sbin/unbound
  15 PIDFILE="/var/run/unbound.pid"
  16
  17 test -x $DAEMON || exit 0
  18 test -x ${DAEMON}-checkconf || exit 0
  19
  20 . /lib/lsb/init-functions
  21
  22 UNBOUND_ENABLE=true
  23 UNBOUND_CONF=/etc/unbound/unbound.conf
  24 UNBOUND_BASE_DIR=$(dirname $UNBOUND_CONF)
  25 CHROOT_DIR=$(awk '{if ($1 ~ "^chroot" && $2 != "\"\"") print $2}' $UNBOUND_CONF|sed -e "s#\"##g")
  26 ROOT_TRUST_ANCHOR_UPDATE=false
  27 ROOT_TRUST_ANCHOR_FILE=/var/lib/unbound/root.key
  28 RESOLVCONF=false
  29 RESOLVCONF_FORWARDERS=false
  30
  31 if [ -f /etc/default/$NAME ]; then
  32     . /etc/default/$NAME
  33     case "x$UNBOUND_ENABLE" in
  34         xtrue|x1|xyes)
  35             UNBOUND_ENABLE=true
  36             ;;
  37         *)
  38             UNBOUND_ENABLE=false
  39             ;;
  40     esac
  41     case "x$ROOT_TRUST_ANCHOR_UPDATE" in
  42         xtrue|x1|xyes)
  43             ROOT_TRUST_ANCHOR_UPDATE=true
  44             ;;
  45         *)
  46             ROOT_TRUST_ANCHOR_UPDATE=false
  47             ;;
  48     esac
  49     case "x$RESOLVCONF" in
  50         xtrue|x1|xyes)
  51             RESOLVCONF=true
  52             ;;
  53         *)
  54             RESOLVCONF=false
  55     esac
  56     case "x$RESOLVCONF_FORWARDERS" in
  57         xtrue|x1|xyes)
  58             RESOLVCONF_FORWARDERS=true
  59             ;;
  60         *)
  61             RESOLVCONF_FORWARDERS=false
  62     esac
  63 fi
  64
  65 do_resolvconf_start() {
  66     if $RESOLVCONF; then
  67         if [ -x /sbin/resolvconf ]; then
  68             unbound-checkconf $CHROOT_DIR/$UNBOUND_CONF -o interface | (
  69                 default=yes
  70                 while read interface; do
  71                     default=no
  72                     if [ "x$interface" = x0.0.0.0 -o "x$interface" = x127.0.0.1 ]; then
  73                         echo "nameserver 127.0.0.1"
  74                     elif [ "x$interface" = x::0 -o "x$interface" = x::1 ]; then
  75                         echo "nameserver ::1"
  76                     fi
  77                 done
  78                 if [ $default = yes ]; then
  79                     # unbound defaults to listening on localhost
  80                     echo "nameserver 127.0.0.1"
  81                 fi
  82             ) | /sbin/resolvconf -a lo.unbound
  83         fi
  84     fi
  85 }
  86
  87 do_resolvconf_stop() {
  88     if $RESOLVCONF; then
  89         if [ -x /sbin/resolvconf ]; then
  90             /sbin/resolvconf -d lo.unbound
  91         fi
  92     fi
  93 }
  94
  95 do_chroot_setup() {
  96     if [ -d "$CHROOT_DIR" -a "$CHROOT_DIR" != "$UNBOUND_BASE_DIR" ]; then
  97         cd /
  98         tar --overwrite -cf - $(echo $UNBOUND_BASE_DIR | sed 's#^/##') | (cd $CHROOT_DIR && tar -xf -)
  99     fi
 100 }
 101
 102 case "$1" in
 103     start)
 104         if $UNBOUND_ENABLE; then
 105             do_chroot_setup
 106             if $ROOT_TRUST_ANCHOR_UPDATE; then
 107                 unbound-anchor -a $ROOT_TRUST_ANCHOR_FILE -v 2>&1 | logger -p daemon.info -t unbound-anchor
 108                 chown unbound:unbound $ROOT_TRUST_ANCHOR_FILE
 109             fi
 110             log_daemon_msg "Starting $DESC" "$NAME"
 111             if start-stop-daemon --start --quiet --oknodo --pidfile $PIDFILE --name $NAME --startas $DAEMON -- $DAEMON_OPTS; then
 112                 do_resolvconf_start
 113                 log_end_msg 0
 114             else
 115                 log_end_msg 1
 116             fi
 117         else
 118             log_warning_msg "Not starting $DESC $NAME, disabled via /etc/default/$NAME"
 119         fi
 120         ;;
 121
 122     stop)
 123         if $UNBOUND_ENABLE; then
 124             log_daemon_msg "Stopping $DESC" "$NAME"
 125             if start-stop-daemon --stop --quiet --oknodo --pidfile $PIDFILE --name $NAME --retry 5; then
 126                 do_resolvconf_stop
 127                 log_end_msg 0
 128             else
 129                 log_end_msg 1
 130             fi
 131         fi
 132         ;;
 133
 134     restart|force-reload)
 135         if $UNBOUND_ENABLE; then
 136             log_daemon_msg "Restarting $DESC" "$NAME"
 137             start-stop-daemon --stop --quiet --pidfile $PIDFILE --name $NAME --retry 5
 138             do_resolvconf_stop
 139             if start-stop-daemon --start --quiet --oknodo --pidfile $PIDFILE --name $NAME --startas $DAEMON -- $DAEMON_OPTS; then
 140                 do_chroot_setup
 141                 do_resolvconf_start
 142                 log_end_msg 0
 143             else
 144                 log_end_msg 1
 145             fi
 146         fi
 147         ;;
 148
 149     reload)
 150         if $UNBOUND_ENABLE; then
 151             log_daemon_msg "Reloading $DESC" "$NAME"
 152             if start-stop-daemon --stop --pidfile $PIDFILE --signal 1; then
 153                 do_chroot_setup
 154                 log_end_msg 0
 155             else
 156                 log_end_msg 1
 157             fi
 158         fi
 159         ;;
 160
 161     status)
 162         status_of_proc -p $PIDFILE $DAEMON $NAME && exit 0 || exit $?
 163         ;;
 164
 165     *)
 166         N=/etc/init.d/$NAME
 167         echo "Usage: $N {start|stop|restart|status|reload|force-reload}" >&2
 168         exit 1
 169         ;;
 170 esac
 171
 172 exit 0;