package/busybox/files/telnet

   1 #!/bin/sh /etc/rc.common
   2 # Copyright (C) 2006-2010 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 has_ssh_pubkey() {
  14         ( test -x /usr/sbin/dropbear && grep -qs "^ssh-" /etc/dropbear/authorized_keys ) || \
  15         ( test -x /usr/sbin/sshd && grep -qs "^ssh-" /root/.ssh/authorized_keys )
  16 }
  17
  18 start() {
  19         if ( ! has_ssh_pubkey && \
  20              ! has_root_pwd /etc/passwd && ! has_root_pwd /etc/shadow ) || \
  21            ( [ ! -x /usr/sbin/dropbear ] && [ ! -x /usr/sbin/sshd ] );
  22         then
  23                 telnetd -l /bin/login.sh
  24         fi
  25 }
  26
  27 stop() {
  28         killall telnetd 2>/dev/null
  29 }
  30