package/busybox/files/telnet

   1 #!/bin/sh /etc/rc.common
   2 # Copyright (C) 2006-2011 OpenWrt.org
   3
   4 START=50
   5
   6 has_root_pwd() {
   7         local pwd=$([ -f "$1" ] && cat "$1")
   8               pwd="${pwd#*root:}"
   9               pwd="${pwd%%:*}"
  10
  11         test -n "${pwd#[\!x]}"
  12 }
  13
  14 get_root_home() {
  15         local homedir=$([ -f "$1" ] && cat "$1")
  16         homedir="${homedir#*:*:0:0:*:}"
  17
  18         echo "${homedir%%:*}"
  19 }
  20
  21 has_ssh_pubkey() {
  22         ( /etc/init.d/dropbear enabled 2> /dev/null && grep -qs "^ssh-" /etc/dropbear/authorized_keys ) || \
  23         ( /etc/init.d/sshd enabled 2> /dev/null && grep -qs "^ssh-" "$(get_root_home /etc/passwd)"/.ssh/authorized_keys )
  24 }
  25
  26 start() {
  27         if ( ! has_ssh_pubkey && \
  28              ! has_root_pwd /etc/passwd && ! has_root_pwd /etc/shadow ) || \
  29            ( ! /etc/init.d/dropbear enabled 2> /dev/null && ! /etc/init.d/sshd enabled 2> /dev/null );
  30         then
  31                 service_start /usr/sbin/telnetd -l /bin/login.sh
  32         fi
  33 }
  34
  35 stop() {
  36         service_stop /usr/sbin/telnetd
  37 }