package/busybox/files/telnet

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