target/linux/brcm-2.4/base-files/default/etc/preinit.arch

   1 . /etc/functions.sh
   2
   3 failsafe_ip() {
   4         ifconfig $ifname 192.168.1.1 netmask 255.255.255.0 broadcast 192.168.1.255 up
   5 }
   6
   7 failsafe() {
   8         lock /tmp/.failsafe
   9         failsafe_ip
  10
  11         echo "0 1 2 3 4 5u*" > /proc/switch/eth0/vlan/0/ports
  12
  13         set_state failsafe
  14         [ -x "/usr/sbin/nvram" ] && {
  15                 [ "$(nvram get boot_wait)" != "on" ] && {
  16                         nvram set boot_wait=on
  17                         nvram commit
  18                 }
  19         }
  20
  21         netmsg 192.168.1.255 "Entering Failsafe!"
  22         telnetd -l /bin/login <> /dev/null 2>&1
  23
  24         ash --login
  25 }
  26
  27 mount none /proc -t proc
  28
  29 insmod diag
  30 set_state preinit
  31 trap 'FAILSAFE=true' USR1
  32 echo '/sbin/hotplug.failsafe' > /proc/sys/kernel/hotplug
  33
  34 ifname=eth0
  35
  36 # hardware specific overrides
  37 case "$(cat /proc/diag/model)" in
  38         "Linksys WAP54G V1") ifname=eth1;;
  39         "ASUS WL-HDD") ifname=eth1;;
  40         "ASUS WL-300g") ifname=eth1;;
  41         "ASUS (unknown, BCM4702)") ifname=eth1;;
  42 esac
  43
  44 failsafe_ip
  45
  46 insmod switch-core
  47 insmod switch-robo || insmod switch-adm || rmmod switch-core
  48
  49 [ -d /proc/switch/eth0 ] && {
  50         echo 1 > /proc/switch/eth0/reset
  51
  52         # this would be easier if we blasted the message across all ports
  53         # but we don't want packets leaking across interfaces
  54         for port in $(seq 0 4); do {
  55                 echo "$port 5u*" > /proc/switch/eth0/vlan/0/ports
  56                 netmsg 192.168.1.255 "Press reset now, to enter Failsafe!"
  57         }; done
  58 } || netmsg 192.168.1.255 "Press reset now, to enter Failsafe!"
  59
  60 ifconfig $ifname 0.0.0.0 down
  61
  62 sleep 2
  63