debian/tor.init

   1 #! /bin/bash
   2
   3 ### BEGIN INIT INFO
   4 # Provides:          tor
   5 # Required-Start:    $local_fs $remote_fs $network $named $time
   6 # Required-Stop:     $local_fs $remote_fs $network $named $time
   7 # Should-Start:      $syslog
   8 # Should-Stop:       $syslog
   9 # Default-Start:     2 3 4 5
  10 # Default-Stop:      0 1 6
  11 # Short-Description: Starts The Onion Router daemon processes
  12 # Description:       Start The Onion Router, a TCP overlay
  13 #                    network client that provides anonymous
  14 #                    transport.
  15 ### END INIT INFO
  16
  17 set -e
  18
  19 PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
  20 DAEMON=/usr/sbin/tor
  21 NAME=tor
  22 DESC="tor daemon"
  23 TORPIDDIR=/var/run/tor
  24 TORPID=$TORPIDDIR/tor.pid
  25 DEFAULTSFILE=/etc/default/$NAME
  26 WAITFORDAEMON=60
  27 ARGS=""
  28 # Let's try to figure our some sane defaults:
  29 if [ -r /proc/sys/fs/file-max ]; then
  30         system_max=`cat /proc/sys/fs/file-max`
  31         if [ "$system_max" -gt "80000" ] ; then
  32                 MAX_FILEDESCRIPTORS=32768
  33         elif [ "$system_max" -gt "40000" ] ; then
  34                 MAX_FILEDESCRIPTORS=16384
  35         elif [ "$system_max" -gt "10000" ] ; then
  36                 MAX_FILEDESCRIPTORS=8192
  37         else
  38                 MAX_FILEDESCRIPTORS=1024
  39         fi
  40 else
  41         MAX_FILEDESCRIPTORS=8192
  42 fi
  43
  44 NICE=""
  45
  46 test -x $DAEMON || exit 0
  47
  48 # Include tor defaults if available
  49 if [ -f $DEFAULTSFILE ] ; then
  50         . $DEFAULTSFILE
  51 fi
  52
  53 wait_for_deaddaemon () {
  54         pid=$1
  55         sleep 1
  56         if test -n "$pid"
  57         then
  58                 if kill -0 $pid 2>/dev/null
  59                 then
  60                         echo -n "."
  61                         cnt=0
  62                         while kill -0 $pid 2>/dev/null
  63                         do
  64                                 cnt=`expr $cnt + 1`
  65                                 if [ $cnt -gt $WAITFORDAEMON ]
  66                                 then
  67                                         echo " FAILED."
  68                                         return 1
  69                                 fi
  70                                 sleep 1
  71                                 echo -n "."
  72                         done
  73                 fi
  74         fi
  75         return 0
  76 }
  77
  78
  79 check_torpiddir () {
  80         if test ! -d $TORPIDDIR; then
  81                 echo "There is no $TORPIDDIR directory.  Creating one for you."
  82                 mkdir -m 02700 "$TORPIDDIR"
  83                 chown debian-tor:debian-tor "$TORPIDDIR"
  84         fi
  85
  86         if test ! -x $TORPIDDIR; then
  87                 echo "Cannot access $TORPIDDIR directory, are you root?" >&2
  88                 exit 1
  89         fi
  90 }
  91
  92
  93 case "$1" in
  94   start)
  95         if [ "$RUN_DAEMON" != "yes" ]; then
  96                 echo "Not starting $DESC (Disabled in $DEFAULTSFILE)."
  97                 exit 0
  98         fi
  99
 100         if [ -n "$MAX_FILEDESCRIPTORS" ]; then
 101                 echo -n "Raising maximum number of filedescriptors (ulimit -n) to $MAX_FILEDESCRIPTORS"
 102                 if ulimit -n "$MAX_FILEDESCRIPTORS" ; then
 103                         echo "."
 104                 else
 105                         echo ": FAILED."
 106                 fi
 107         fi
 108
 109         check_torpiddir
 110
 111         echo "Starting $DESC: $NAME..."
 112         if ! su -s /bin/sh -c "$DAEMON --verify-config" debian-tor > /dev/null; then
 113                 echo "ABORTED: Tor configuration invalid:" >&2
 114                 su -s /bin/sh -c "$DAEMON --verify-config" debian-tor >&2
 115                 exit 1
 116         fi
 117
 118         start-stop-daemon --start --quiet --oknodo \
 119                 --pidfile $TORPID \
 120                 $NICE \
 121                 --exec $DAEMON -- $ARGS
 122         echo "done."
 123         ;;
 124   stop)
 125         echo -n "Stopping $DESC: "
 126         pid=`cat $TORPID 2>/dev/null` || true
 127
 128         if test ! -f $TORPID -o -z "$pid"; then
 129                 echo "not running (there is no $TORPID)."
 130                 exit 0
 131         fi
 132
 133         if start-stop-daemon --stop --signal INT --quiet --pidfile $TORPID --exec $DAEMON; then
 134                 wait_for_deaddaemon $pid
 135                 echo "$NAME."
 136         elif kill -0 $pid 2>/dev/null
 137         then
 138                 echo "FAILED (Is $pid not $NAME?  Is $DAEMON a different binary now?)."
 139         else
 140                 echo "FAILED ($DAEMON died: process $pid not running; or permission denied)."
 141         fi
 142         ;;
 143   reload|force-reload)
 144         echo -n "Reloading $DESC configuration: "
 145         pid=`cat $TORPID 2>/dev/null` || true
 146
 147         if test ! -f $TORPID -o -z "$pid"; then
 148                 echo "not running (there is no $TORPID)."
 149                 exit 0
 150         fi
 151
 152         if ! su -s /bin/sh -c "$DAEMON --verify-config" debian-tor > /dev/null; then
 153                 echo "ABORTED: Tor configuration invalid:" >&2
 154                 su -s /bin/sh -c "$DAEMON --verify-config" debian-tor >&2
 155                 exit 1
 156         fi
 157
 158         if start-stop-daemon --stop --signal 1 --quiet --pidfile $TORPID --exec $DAEMON
 159         then
 160                 echo "$NAME."
 161         elif kill -0 $pid 2>/dev/null
 162         then
 163                 echo "FAILED (Is $pid not $NAME?  Is $DAEMON a different binary now?)."
 164         else
 165                 echo "FAILED ($DAEMON died: process $pid not running; or permission denied)."
 166         fi
 167         ;;
 168   restart)
 169         if ! su -s /bin/sh -c "$DAEMON --verify-config" debian-tor > /dev/null; then
 170                 echo "Restarting Tor ABORTED: Tor configuration invalid:" >&2
 171                 su -s /bin/sh -c "$DAEMON --verify-config" debian-tor >&2
 172                 exit 1
 173         fi
 174
 175         $0 stop
 176         sleep 1
 177         $0 start
 178         ;;
 179   *)
 180         echo "Usage: $0 {start|stop|restart|reload|force-reload}" >&2
 181         exit 1
 182         ;;
 183 esac
 184
 185 exit 0