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