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buildroot/buildroot-2016.08.1/package/dropbear/S50dropbear 1.32 KB
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  #!/bin/sh
  #
  # Starts dropbear sshd.
  #
  
  # Allow a few customizations from a config file
  test -r /etc/default/dropbear && . /etc/default/dropbear
  
  start() {
  	DROPBEAR_ARGS="$DROPBEAR_ARGS -R"
  
  	# If /etc/dropbear is a symlink to /var/run/dropbear, and
  	#   - the filesystem is RO (i.e. we can not rm the symlink),
  	#     create the directory pointed to by the symlink.
  	#   - the filesystem is RW (i.e. we can rm the symlink),
  	#     replace the symlink with an actual directory
  	if [ -L /etc/dropbear \
  	     -a "$(readlink /etc/dropbear)" = "/var/run/dropbear" ]
  	then
  		if rm -f /etc/dropbear >/dev/null 2>&1; then
  			mkdir -p /etc/dropbear
  		else
  			echo "No persistent location to store SSH host keys. New keys will be"
  			echo "generated at each boot. Are you sure this is what you want to do?"
  			mkdir -p "$(readlink /etc/dropbear)"
  		fi
  	fi
  
  	printf "Starting dropbear sshd: "
  	umask 077
  
  	start-stop-daemon -S -q -p /var/run/dropbear.pid \
  		--exec /usr/sbin/dropbear -- $DROPBEAR_ARGS
  	[ $? = 0 ] && echo "OK" || echo "FAIL"
  }
  stop() {
  	printf "Stopping dropbear sshd: "
  	start-stop-daemon -K -q -p /var/run/dropbear.pid
  	[ $? = 0 ] && echo "OK" || echo "FAIL"
  }
  restart() {
  	stop
  	start
  }
  
  case "$1" in
    start)
    	start
  	;;
    stop)
    	stop
  	;;
    restart|reload)
    	restart
  	;;
    *)
  	echo "Usage: $0 {start|stop|restart}"
  	exit 1
  esac
  
  exit $?