openwrtv3/package/base-files/files/lib/preinit/99_10_failsafe_login

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#!/bin/sh
# Copyright (C) 2006-2015 OpenWrt.org
# Copyright (C) 2010 Vertical Communications
failsafe_netlogin () {
dropbearkey -t rsa -s 1024 -f /tmp/dropbear_failsafe_host_key
dropbear -r /tmp/dropbear_failsafe_host_key <> /dev/null 2>&1
}
failsafe_shell() {
lock /tmp/.failsafe
ash --login
echo "Please reboot system when done with failsafe network logins"
while true; do sleep 1; done
}
boot_hook_add failsafe failsafe_netlogin
boot_hook_add failsafe failsafe_shell