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

   1 . /etc/functions.sh
   2
   3 failsafe() {
   4         lock /tmp/.failsafe
   5         failsafe_ip
   6
   7         echo "0 1 2 3 4 ${cpu_port:-5u*}" > /proc/switch/eth0/vlan/0/ports
   8
   9         set_state failsafe
  10         [ -x "/usr/sbin/nvram" ] && {
  11                 [ "$(nvram get boot_wait)" != "on" ] && {
  12                         nvram set boot_wait=on
  13                         nvram commit
  14                 }
  15         }
  16
  17         netmsg 192.168.1.255 "Entering Failsafe!"
  18         telnetd -l /bin/login <> /dev/null 2>&1
  19
  20         ash --login
  21 }
  22
  23 mount none /proc -t proc
  24
  25 insmod diag
  26 set_state preinit
  27 echo '/sbin/hotplug.failsafe' > /proc/sys/kernel/hotplug
  28
  29 ifname=eth0
  30
  31 # hardware specific overrides
  32 case "$(cat /proc/diag/model)" in
  33         "Linksys WAP54G V1") ifname=eth1;;
  34         "ASUS WL-HDD") ifname=eth1;;
  35         "ASUS WL-300g") ifname=eth1;;
  36         "ASUS (unknown, BCM4702)") ifname=eth1;;
  37         "Sitecom WL-105b") ifname=eth1;;
  38 esac
  39
  40 failsafe_ip
  41
  42 check_module () {
  43   module="$1"; shift; params="$*"
  44
  45   insmod "$module" "$params"
  46   sleep 1
  47   grep "^$module" /proc/modules
  48   return $?
  49 }
  50
  51 insmod switch-core
  52 check_module switch-robo || check_module switch-adm  || {
  53   check_module bcm57xx activate_gpio=0x4 && cpu_port="8u*"
  54 } || rmmod switch-core
  55
  56 [ -d /proc/switch/eth0 ] && {
  57         echo 1 > /proc/switch/eth0/reset
  58
  59         # this would be easier if we blasted the message across all ports
  60         # but we don't want packets leaking across interfaces
  61         for port in $(seq 0 4); do {
  62                 echo "$port ${cpu_port:-5u*}" > /proc/switch/eth0/vlan/0/ports
  63                 netmsg 192.168.1.255 "Press reset now, to enter Failsafe!"
  64         }; done
  65 } || netmsg 192.168.1.255 "Press reset now, to enter Failsafe!"
  66
  67 ifconfig $ifname 0.0.0.0 down
  68
  69 sleep 2
  70