diff options
Diffstat (limited to 'target/linux/brcm-2.4/base-files/etc/preinit')
| -rwxr-xr-x | target/linux/brcm-2.4/base-files/etc/preinit | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/target/linux/brcm-2.4/base-files/etc/preinit b/target/linux/brcm-2.4/base-files/etc/preinit new file mode 100755 index 0000000000..30aed35518 --- /dev/null +++ b/target/linux/brcm-2.4/base-files/etc/preinit @@ -0,0 +1,74 @@ +#!/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" ] && { + [ "$(nvram get boot_wait)" != "on" ] && { + nvram set boot_wait=on + nvram commit + } + } + + netmsg 192.168.1.255 "Entering Failsafe!" + telnetd -l /bin/login <> /dev/null 2>&1 + + ash --login + lock -u /tmp/.failsafe +} + +export PATH=/bin:/sbin:/usr/bin:/usr/sbin +mount none /proc -t proc +size=$(awk '/Mem:/ {l=5242880;print((s=$2/2)<l)?$2-l:s}' /proc/meminfo) +mount none /tmp -t tmpfs -o size=$size + +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 > /proc/sys/kernel/hotplug + +ifconfig $ifname 0.0.0.0 down + +mount_root +exec /sbin/init |