#!/bin/sh # # tor - The Onion Router # # Startup/shutdown script for Tor. # # Written by Marco Bonetti <sid77@slackware.it>, heavily based on # contrib/tor.sh, contrib/torctl and Debian init script. # Check available file descriptors 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 [ "$SYSTEM_MAX" -gt "10000" ]; then MAX_FILEDESCRIPTORS=8192 else MAX_FILEDESCRIPTORS=1024 cat << EOF Warning: Your system has very few filedescriptors available in total. Maybe you should try raising that by adding 'fs.file-max=100000' to your /etc/sysctl.conf file. Feel free to pick any number that you deem appropriate. Then run 'sysctl -p'. See /proc/sys/fs/file-max for the current value, and file-nr in the same directory for how many of those are used at the moment. EOF fi else MAX_FILEDESCRIPTORS=8192 fi tor_start() { if [ -n "$MAX_FILEDESCRIPTORS" ]; then echo -n "Raising maximum number of filedescriptors (ulimit -n) to $MAX_FILEDESCRIPTORS" if ulimit -n "$MAX_FILEDESCRIPTORS" ; then echo "..." else echo ": FAILED." fi fi echo "Starting Tor..." /usr/bin/tor } tor_stop() { echo -n "Stopping Tor..." PID=`cat /var/run/tor/tor.pid 2>/dev/null` if [ -z "$PID" ]; then echo " not running." exit 0 fi if kill -15 $PID; then echo " stopped." else sleep 1 if kill -9 $PID; then echo " killed." else echo " error!" exit 1 fi fi } tor_reload() { echo -n "Reloading Tor..." PID=`cat /var/run/tor/tor.pid 2>/dev/null` if [ -z "$PID" ]; then echo " not running." exit 0 fi if kill -1 $PID; then echo " reloaded." else echo " error!" exit 1 fi } tor_status() { PID=`cat /var/run/tor/tor.pid 2>/dev/null` if [ -z "$PID" ]; then echo "Not running." exit 1 elif kill -0 $PID; then echo "Running." exit 0 else echo "PID file /var/run/tor/tor.pid present but PID $PID is not running." exit 1 fi } case "$1" in start) tor_start ;; stop) tor_stop ;; restart) tor_stop sleep 3 tor_start ;; reload) tor_reload ;; status) tor_status ;; *) echo "Usage: $0 (start|stop|restart|reload|status)" esac