package/dropbear/S50dropbear

   1 #!/bin/sh
   2 #
   3 # Starts dropbear sshd.
   4 #
   5
   6 # Allow a few customizations from a config file
   7 test -r /etc/default/dropbear && . /etc/default/dropbear
   8
   9 start() {
  10         DROPBEAR_ARGS="$DROPBEAR_ARGS -R"
  11
  12         # If /etc/dropbear is a symlink to /var/run/dropbear, and
  13         #   - the filesystem is RO (i.e. we can not rm the symlink),
  14         #     create the directory pointed to by the symlink.
  15         #   - the filesystem is RW (i.e. we can rm the symlink),
  16         #     replace the symlink with an actual directory
  17         if [ -L /etc/dropbear \
  18              -a "$(readlink /etc/dropbear)" = "/var/run/dropbear" ]
  19         then
  20                 if rm -f /etc/dropbear >/dev/null 2>&1; then
  21                         mkdir -p /etc/dropbear
  22                 else
  23                         echo "No persistent location to store SSH host keys. New keys will be"
  24                         echo "generated at each boot. Are you sure this is what you want to do?"
  25                         mkdir -p "$(readlink /etc/dropbear)"
  26                 fi
  27         fi
  28
  29         printf "Starting dropbear sshd: "
  30         umask 077
  31
  32         start-stop-daemon -S -q -p /var/run/dropbear.pid \
  33                 --exec /usr/sbin/dropbear -- $DROPBEAR_ARGS
  34         [ $? = 0 ] && echo "OK" || echo "FAIL"
  35 }
  36 stop() {
  37         printf "Stopping dropbear sshd: "
  38         start-stop-daemon -K -q -p /var/run/dropbear.pid
  39         [ $? = 0 ] && echo "OK" || echo "FAIL"
  40 }
  41 restart() {
  42         stop
  43         start
  44 }
  45
  46 case "$1" in
  47   start)
  48         start
  49         ;;
  50   stop)
  51         stop
  52         ;;
  53   restart|reload)
  54         restart
  55         ;;
  56   *)
  57         echo "Usage: $0 {start|stop|restart}"
  58         exit 1
  59 esac
  60
  61 exit $?