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                 cat << EOF
  40
  41 Warning: Your system has very few filedescriptors available in total.
  42
  43 Maybe you should try raising that by adding 'fs.file-max=100000' to your
  44 /etc/sysctl.conf file.  Feel free to pick any number that you deem appropriate.
  45 Then run 'sysctl -p'.  See /proc/sys/fs/file-max for the current value, and
  46 file-nr in the same directory for how many of those are used at the moment.
  47
  48 EOF
  49         fi
  50 else
  51         MAX_FILEDESCRIPTORS=8192
  52 fi
  53
  54 NICE=""
  55
  56 test -x $DAEMON || exit 0
  57
  58 # Include tor defaults if available
  59 if [ -f $DEFAULTSFILE ] ; then
  60         . $DEFAULTSFILE
  61 fi
  62
  63 wait_for_deaddaemon () {
  64         pid=$1
  65         sleep 1
  66         if test -n "$pid"
  67         then
  68                 if kill -0 $pid 2>/dev/null
  69                 then
  70                         echo -n "."
  71                         cnt=0
  72                         while kill -0 $pid 2>/dev/null
  73                         do
  74                                 cnt=`expr $cnt + 1`
  75                                 if [ $cnt -gt $WAITFORDAEMON ]
  76                                 then
  77                                         echo " FAILED."
  78                                         return 1
  79                                 fi
  80                                 sleep 1
  81                                 echo -n "."
  82                         done
  83                 fi
  84         fi
  85         return 0
  86 }
  87
  88
  89 check_torpiddir () {
  90         if test ! -d $TORPIDDIR; then
  91                 echo "There is no $TORPIDDIR directory.  Creating one for you."
  92                 mkdir -m 02700 "$TORPIDDIR"
  93                 chown debian-tor:debian-tor "$TORPIDDIR"
  94         fi
  95
  96         if test ! -x $TORPIDDIR; then
  97                 echo "Cannot access $TORPIDDIR directory, are you root?" >&2
  98                 exit 1
  99         fi
 100 }
 101
 102 check_config () {
 103         if ! $DAEMON --verify-config > /dev/null; then
 104                 echo "ABORTED: Tor configuration invalid:" >&2
 105                 $DAEMON --verify-config >&2
 106                 exit 1
 107         fi
 108 }
 109
 110
 111 case "$1" in
 112   start)
 113         if [ "$RUN_DAEMON" != "yes" ]; then
 114                 echo "Not starting $DESC (Disabled in $DEFAULTSFILE)."
 115                 exit 0
 116         fi
 117
 118         if [ -n "$MAX_FILEDESCRIPTORS" ]; then
 119                 echo -n "Raising maximum number of filedescriptors (ulimit -n) to $MAX_FILEDESCRIPTORS"
 120                 if ulimit -n "$MAX_FILEDESCRIPTORS" ; then
 121                         echo "."
 122                 else
 123                         echo ": FAILED."
 124                 fi
 125         fi
 126
 127         check_torpiddir
 128
 129         echo "Starting $DESC: $NAME..."
 130         check_config
 131
 132         start-stop-daemon --start --quiet --oknodo \
 133                 --pidfile $TORPID \
 134                 $NICE \
 135                 --exec $DAEMON -- $ARGS
 136         echo "done."
 137         ;;
 138   stop)
 139         echo -n "Stopping $DESC: "
 140         pid=`cat $TORPID 2>/dev/null` || true
 141
 142         if test ! -f $TORPID -o -z "$pid"; then
 143                 echo "not running (there is no $TORPID)."
 144                 exit 0
 145         fi
 146
 147         if start-stop-daemon --stop --signal INT --quiet --pidfile $TORPID --exec $DAEMON; then
 148                 wait_for_deaddaemon $pid
 149                 echo "$NAME."
 150         elif kill -0 $pid 2>/dev/null
 151         then
 152                 echo "FAILED (Is $pid not $NAME?  Is $DAEMON a different binary now?)."
 153         else
 154                 echo "FAILED ($DAEMON died: process $pid not running; or permission denied)."
 155         fi
 156         ;;
 157   reload|force-reload)
 158         echo -n "Reloading $DESC configuration: "
 159         pid=`cat $TORPID 2>/dev/null` || true
 160
 161         if test ! -f $TORPID -o -z "$pid"; then
 162                 echo "not running (there is no $TORPID)."
 163                 exit 0
 164         fi
 165
 166         check_config
 167
 168         if start-stop-daemon --stop --signal 1 --quiet --pidfile $TORPID --exec $DAEMON
 169         then
 170                 echo "$NAME."
 171         elif kill -0 $pid 2>/dev/null
 172         then
 173                 echo "FAILED (Is $pid not $NAME?  Is $DAEMON a different binary now?)."
 174         else
 175                 echo "FAILED ($DAEMON died: process $pid not running; or permission denied)."
 176         fi
 177         ;;
 178   restart)
 179         check_config
 180
 181         $0 stop
 182         sleep 1
 183         $0 start
 184         ;;
 185   *)
 186         echo "Usage: $0 {start|stop|restart|reload|force-reload}" >&2
 187         exit 1
 188         ;;
 189 esac
 190
 191 exit 0