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- #! /bin/bash
-
- ### BEGIN INIT INFO
- # Provides: tor
- # Required-Start: $local_fs $remote_fs $network $named $time
- # Required-Stop: $local_fs $remote_fs $network $named $time
- # Should-Start: $syslog
- # Should-Stop: $syslog
- # Default-Start:
- # Default-Stop: 0 1 6 2 3 4 5
- # Short-Description: Starts The Onion Router daemon processes
- # Description: Start The Onion Router, a TCP overlay
- # network client that provides anonymous
- # transport.
- ### END INIT INFO
-
- # Load the VERBOSE setting and other rcS variables
- . /lib/init/vars.sh
-
- # Define LSB log_* functions.
- . /lib/lsb/init-functions
-
- PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
- DAEMON=/usr/sbin/tor
- NAME=tor
- DESC="tor daemon"
- TORPIDDIR=/var/run/tor
- TORPID=$TORPIDDIR/tor.pid
- DEFAULTSFILE=/etc/default/$NAME
- WAITFORDAEMON=60
- DEFAULT_ARGS="--defaults-torrc /usr/share/tor/tor-service-defaults-torrc"
- VERIFY_ARGS="--verify-config $DEFAULT_ARGS"
- USE_AA_EXEC="yes"
- ARGS=""
- if [ "${VERBOSE:-}" != "yes" ]; then
- ARGS="$ARGS --hush"
- fi
-
- # Let's try to figure our some sane defaults:
- if [ -r /proc/sys/fs/file-max ]; then
- system_max=`cat /proc/sys/fs/file-max`
- if [ "$system_max" -gt "80000" ] ; then
- MAX_FILEDESCRIPTORS=32768
- elif [ "$system_max" -gt "40000" ] ; then
- MAX_FILEDESCRIPTORS=16384
- elif [ "$system_max" -gt "10000" ] ; then
- MAX_FILEDESCRIPTORS=8192
- else
- MAX_FILEDESCRIPTORS=1024
- cat << EOF
-
- Warning: Your system has very few filedescriptors available in total.
-
- Maybe you should try raising that by adding 'fs.file-max=100000' to your
- /etc/sysctl.conf file. Feel free to pick any number that you deem appropriate.
- Then run 'sysctl -p'. See /proc/sys/fs/file-max for the current value, and
- file-nr in the same directory for how many of those are used at the moment.
-
- EOF
- fi
- else
- MAX_FILEDESCRIPTORS=8192
- fi
-
- NICE=""
-
- test -x $DAEMON || exit 0
-
- # Include tor defaults if available
- if [ -f $DEFAULTSFILE ] ; then
- . $DEFAULTSFILE
- fi
-
- wait_for_deaddaemon () {
- pid=$1
- sleep 1
- if test -n "$pid"
- then
- if kill -0 $pid 2>/dev/null
- then
- cnt=0
- while kill -0 $pid 2>/dev/null
- do
- cnt=`expr $cnt + 1`
- if [ $cnt -gt $WAITFORDAEMON ]
- then
- log_action_end_msg 1 "still running"
- fi
- sleep 1
- [ "`expr $cnt % 3`" != 2 ] || log_action_cont_msg ""
- done
- fi
- fi
- log_action_end_msg 0
- }
-
-
- check_torpiddir () {
- if test ! -d $TORPIDDIR; then
- mkdir -m 02750 "$TORPIDDIR"
- chown debian-tor:debian-tor "$TORPIDDIR"
- ! [ -x /sbin/restorecon ] || /sbin/restorecon "$TORPIDDIR"
- fi
-
- if test ! -x $TORPIDDIR; then
- log_action_end_msg 1 "cannot access $TORPIDDIR directory, are you root?"
- exit 1
- fi
- }
-
- check_config () {
- if ! $DAEMON $VERIFY_ARGS > /dev/null; then
- log_failure_msg "Checking if $NAME configuration is valid"
- $DAEMON --verify-config >&2
- exit 1
- fi
- }
-
-
- case "$1" in
- start)
- if [ "$RUN_DAEMON" != "yes" ]; then
- log_action_msg "Not starting $DESC (Disabled in $DEFAULTSFILE)."
- exit 0
- fi
-
- if [ -n "$MAX_FILEDESCRIPTORS" ]; then
- [ "${VERBOSE:-}" != "yes" ] || log_action_begin_msg "Raising maximum number of filedescriptors (ulimit -n) for tor to $MAX_FILEDESCRIPTORS"
- if ulimit -n "$MAX_FILEDESCRIPTORS" ; then
- [ "${VERBOSE:-}" != "yes" ] || log_action_end_msg 0
- else
- [ "${VERBOSE:-}" != "yes" ] || log_action_end_msg 1
- fi
- fi
-
- check_torpiddir
- check_config
-
- log_action_begin_msg "Starting $DESC"
-
- if start-stop-daemon --stop --signal 0 --quiet --pidfile $TORPID --exec $DAEMON; then
- log_action_end_msg 0 "already running"
- else
- if [ "$USE_AA_EXEC" = "yes" ] &&
- [ -x /usr/sbin/aa-status ] && \
- [ -x /usr/sbin/aa-exec ] && \
- [ -e /etc/apparmor.d/system_tor ] && \
- /usr/sbin/aa-status --enabled ; then
- AA_EXEC="--startas /usr/sbin/aa-exec"
- AA_EXEC_ARGS="--profile=system_tor -- $DAEMON"
- else
- AA_EXEC=""
- AA_EXEC_ARGS=""
- fi
- if start-stop-daemon --start --quiet \
- --pidfile $TORPID \
- $NICE \
- $AA_EXEC \
- --exec $DAEMON -- $AA_EXEC_ARGS $DEFAULT_ARGS $ARGS
- then
- log_action_end_msg 0
- else
- log_action_end_msg 1
- fi
- fi
- ;;
- stop)
- log_action_begin_msg "Stopping $DESC"
- pid=`cat $TORPID 2>/dev/null` || true
-
- if test ! -f $TORPID -o -z "$pid"; then
- log_action_end_msg 0 "not running - there is no $TORPID"
- exit 0
- fi
-
- if start-stop-daemon --stop --signal INT --quiet --pidfile $TORPID --exec $DAEMON; then
- wait_for_deaddaemon $pid
- elif kill -0 $pid 2>/dev/null; then
- log_action_end_msg 1 "Is $pid not $NAME? Is $DAEMON a different binary now?"
- else
- log_action_end_msg 1 "$DAEMON died: process $pid not running; or permission denied"
- fi
- ;;
- reload|force-reload)
- check_config
-
- log_action_begin_msg "Reloading $DESC configuration"
- pid=`cat $TORPID 2>/dev/null` || true
-
- if test ! -f $TORPID -o -z "$pid"; then
- log_action_end_msg 1 "not running - there is no $TORPID"
- exit 0
- fi
-
- if start-stop-daemon --stop --signal 1 --quiet --pidfile $TORPID --exec $DAEMON
- then
- log_action_end_msg 0
- elif kill -0 $pid 2>/dev/null; then
- log_action_end_msg 1 "Is $pid not $NAME? Is $DAEMON a different binary now?"
- else
- log_action_end_msg 1 "$DAEMON died: process $pid not running; or permission denied"
- fi
- ;;
- restart)
- check_config
-
- $0 stop
- sleep 1
- $0 start
- ;;
- status)
- if test ! -r $(dirname $TORPID); then
- log_failure_msg "cannot read PID file $TORPID"
- exit 4
- fi
- pid=`cat $TORPID 2>/dev/null` || true
- if test ! -f $TORPID -o -z "$pid"; then
- log_failure_msg "$NAME is not running"
- exit 3
- fi
- if ps "$pid" >/dev/null 2>&1; then
- log_success_msg "$NAME is running"
- exit 0
- else
- log_failure_msg "$NAME is not running"
- exit 1
- fi
- ;;
- *)
- log_action_msg "Usage: $0 {start|stop|restart|reload|force-reload|status}" >&2
- exit 1
- ;;
- esac
-
- exit 0
-