#!/bin/sh # Copyright (C) 2006 OpenWrt.org . /etc/functions.sh . /etc/diag.sh failsafe() { lock /tmp/.failsafe echo "0 1 2 3 4 5u*" > /proc/switch/eth0/vlan/0/ports set_state failsafe [ -x "/usr/sbin/nvram" ] && { [ "$(nvram get boot_wait)" != "on" ] && { nvram set boot_wait=on nvram commit } } netmsg 192.168.1.255 "Entering Failsafe!" telnetd -l /bin/login <> /dev/null 2>&1 ash --login } export PATH=/bin:/sbin:/usr/bin:/usr/sbin mount none /proc -t proc size=$(awk '/Mem:/ {l=5242880;print((s=$2/2) /dev/null; then mount none /dev -t devfs M0=/dev/pty/m0 M1=/dev/pty/m1 else mount -t sysfs none /sys mount -t tmpfs tmpfs /dev -o size=512K mknod /dev/console c 5 1 mkdir /dev/shm /sbin/hotplug2 --no-persistent --coldplug M0=/dev/ptmx M1=/dev/ptmx fi mkdir -p /dev/pts mount none /dev/pts -t devpts # the shell really doesn't like having stdin/out closed # that's why we use /dev/pty/m0 and m1 as replacement # for /dev/console if there's no serial console available dd if=/dev/console of=/dev/null bs=1 count=0 >/dev/null 2>/dev/null || \ exec <$M0 >$M1 2>&0 insmod diag set_state preinit trap 'FAILSAFE=true' USR1 echo '/sbin/hotplug.failsafe' > /proc/sys/kernel/hotplug ifname=eth0 # hardware specific overrides case "$(cat /proc/diag/model)" in "Linksys WAP54G V1") ifname=eth1;; "ASUS WL-HDD") ifname=eth1;; "ASUS WL-300g") ifname=eth1;; "ASUS (unknown, BCM4702)") ifname=eth1;; esac insmod switch-core insmod switch-robo || insmod switch-adm || rmmod switch-core ifconfig $ifname 192.168.1.1 netmask 255.255.255.0 broadcast 192.168.1.255 up [ -d /proc/switch/eth0 ] && { echo 1 > /proc/switch/eth0/reset # this would be easier if we blasted the message across all ports # but we don't want packets leaking across interfaces for port in $(seq 0 4); do { echo "$port 5u*" > /proc/switch/eth0/vlan/0/ports netmsg 192.168.1.255 "Press reset now, to enter Failsafe!" }; done } || netmsg 192.168.1.255 "Press reset now, to enter Failsafe!" sleep 2 eval ${FAILSAFE:+failsafe} lock -w /tmp/.failsafe set_state preinit echo /sbin/hotplug-call > /proc/sys/kernel/hotplug ifconfig $ifname 0.0.0.0 down mount_root exec /sbin/init