Add debian startup script.

sample-config/shadowsocks

@@ -0,0 +1,84 @@
+#!/bin/bash
+# Start/stop shadowsocks.
+#
+### BEGIN INIT INFO
+# Provides:          shadowsocks
+# Required-Start:
+# Required-Stop:
+# Should-Start:
+# Should-Stop:
+# Default-Start:     2 3 4 5
+# Default-Stop:
+# Short-Description: shadowsocks is a lightweight tunneling proxy
+# Description:       Modified from Linode's nginx fastcgi startup script
+### END INIT INFO
+
+# Note: this script requires sudo in order to run shadowsocks as the specified
+# user. 
+
+BIN=/usr/local/bin/shadowsocks
+CONFIG_FILE=/etc/shadowsocks/config.json
+LOG_FILE=/var/log/shadowsocks
+USER=nobody
+GROUP=nobody
+PID_DIR=/var/run/
+PID_FILE=$PID_DIR/shadowsocks.pid
+RET_VAL=0
+
+case "$1" in
+    start)
+      if [[ ! -d $PID_DIR ]]
+      then
+        mkdir $PID_DIR
+        chown $USER:$GROUP $PID_DIR
+        chmod 0770 $PID_DIR
+      fi
+      if [[ -r $PID_FILE ]]
+      then
+        echo "shadowsocks already running with PID `cat $PID_FILE`"
+        RET_VAL=1
+      else
+        # sudo will set the group to the primary group of $USER
+        sudo -u $USER $BIN -c $CONFIG_FILE >$LOG_FILE &
+        echo $! > $PID_FILE
+        RET_VAL=$?
+      fi
+  ;;
+    stop)
+      if [[ -r $PID_FILE ]]
+      then
+        kill `cat $PID_FILE`
+        rm $PID_FILE
+        RET_VAL=$?
+      else
+        echo "Could not find PID file $PID_FILE"
+        RET_VAL=1
+      fi
+  ;;
+    restart)
+      if [[ -r $PID_FILE ]]
+      then
+        kill `cat $PID_FILE`
+        rm $PID_FILE
+        RET_VAL=$?
+      else
+        echo "Could not find PID file $PID_FILE"
+      fi
+      start
+      RET_VAL=$?
+  ;;
+    status)
+      if [[ -r $PID_FILE ]]
+      then
+        echo "shadowsocks running with PID `cat $PID_FILE`"
+        RET_VAL=$?
+      else
+        echo "Could not find PID file $PID_FILE, shadowsocks does not appear to be running"
+      fi
+  ;;
+    *)
+      echo "Usage: shadowsocks {start|stop|restart|status}"
+      RET_VAL=1
+  ;;
+esac
+exit $RET_VAL