Shadowsock client start script
#!/bin/bash
### BEGIN INIT INFO
# Provides: sslocal
# Required-Start: $network
# Required-Stop: $network
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
### END INIT INFO
# Put this script under /etc/init.d/, then run "update-rc.d sslocal defaults".
# Note: this script requires sudo in order to run sslocal as the specified
# user. Please change the following variables in order to use this script.
BIN=/usr/local/bin/sslocal
USER=byron
GROUP=byron
CONFIG_FILE=/etc/shadowsocks.json
PID_DIR=/var/run
PID_FILE=$PID_DIR/shadowsocks.pid
LOG_FILE=/var/log/shadowsocks
RET_VAL=0
check_running() {
if [[ -r $PID_FILE ]]; then
read PID <$PID_FILE
if [[ -d "/proc/$PID" ]]; then
return 0
else
rm -f $PID_FILE
return 1
fi
else
return 2
fi
}
do_status() {
check_running
case $? in
0)
echo "sslocal running with PID $PID"
;;
1)
echo "sslocal not running, remove PID file $PID_FILE"
;;
2)
echo "Could not find PID file $PID_FILE, sslocal does not appear to be running"
;;
esac
return 0
}
do_start() {
if [[ ! -d $PID_DIR ]]; then
echo "creating PID dir"
mkdir $PID_DIR || echo "failed creating PID directory $PID_DIR"; exit 1
chown $USER:$GROUP $PID_DIR || echo "failed creating PID directory $PID_DIR"; exit 1
chmod 0770 $PID_DIR
fi
if check_running; then
echo "sslocal already running with PID $PID"
return 0
fi
echo "starting sslocal"
# sudo will set the group to the primary group of $USER
sudo -u $USER -H -- $BIN -c $CONFIG_FILE > $LOG_FILE 2>&1 &
PID=$!
echo $PID > $PID_FILE
sleep 0.3
if ! check_running; then
echo "start failed"
return 1
fi
echo "sslocal running with PID $PID"
return 0
}
do_stop() {
if check_running; then
echo "stopping sslocal with PID $PID"
kill $PID
rm -f $PID_FILE
else
echo "Could not find PID file $PID_FILE"
fi
}
do_restart() {
do_stop
do_start
}
case "$1" in
start|stop|restart|status)
do_$1
;;
*)
echo "Usage: sslocal {start|stop|restart|status}"
RET_VAL=1
;;
esac
exit $RET_VAL