mirror of
git://git.openwrt.org/openwrt/openwrt.git
synced 2024-12-14 19:04:39 +00:00
68 lines
1.6 KiB
Bash
Executable File
68 lines
1.6 KiB
Bash
Executable File
#!/bin/sh
|
|
# Copyright (C) 2006 OpenWrt.org
|
|
export PATH=/bin:/sbin:/usr/bin:/usr/sbin
|
|
. /etc/diag.sh
|
|
|
|
failsafe_ip() {
|
|
ifconfig $ifname 192.168.1.1 netmask 255.255.255.0 broadcast 192.168.1.255 up
|
|
}
|
|
|
|
failsafe() {
|
|
[ -n "$ifname" ] && grep "$ifname" /proc/net/dev >/dev/null && {
|
|
failsafe_ip
|
|
netmsg 192.168.1.255 "Entering Failsafe!"
|
|
telnetd -l /bin/login <> /dev/null 2>&1
|
|
}
|
|
lock /tmp/.failsafe
|
|
ash --login
|
|
}
|
|
|
|
mount none /proc -t proc
|
|
mount none /sys -t sysfs
|
|
|
|
size=$(awk '/MemTotal:/ {l=5242880;mt=($2*1024);print((s=mt/2)<l)?mt-l:s}' /proc/meminfo)
|
|
mount none /tmp -t tmpfs -o size=$size,nosuid,nodev,mode=1777
|
|
|
|
if grep devfs /proc/filesystems > /dev/null; then
|
|
mount none /dev -t devfs
|
|
M0=/dev/pty/m0
|
|
M1=/dev/pty/m1
|
|
HOTPLUG=/sbin/hotplug-call
|
|
else
|
|
mount -t tmpfs tmpfs /dev -o size=512K
|
|
mknod /dev/console c 5 1
|
|
mkdir /dev/shm
|
|
/sbin/hotplug2 --coldplug --set-rules-file /etc/hotplug2-init.rules
|
|
/sbin/hotplug2 --no-coldplug --persistent --set-rules-file /etc/hotplug2-init.rules &
|
|
M0=/dev/ptmx
|
|
M1=/dev/ptmx
|
|
HOTPLUG=
|
|
fi
|
|
|
|
mkdir -p /dev/pts /dev/shm
|
|
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 && {
|
|
M0=/dev/console
|
|
M1=/dev/console
|
|
}
|
|
|
|
exec <$M0 >$M1 2>&0
|
|
|
|
echo "- preinit -"
|
|
trap 'FAILSAFE=true' USR1
|
|
[ -e /etc/preinit.arch ] && . /etc/preinit.arch
|
|
set_state preinit
|
|
echo "$HOTPLUG" > /proc/sys/kernel/hotplug
|
|
eval ${FAILSAFE:+failsafe}
|
|
lock -w /tmp/.failsafe
|
|
mount_root
|
|
|
|
echo "- init -"
|
|
|
|
killall hotplug2
|
|
exec /sbin/init
|