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#!/bin/sh |
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# Copyright (C) 2007 OpenWrt.org |
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. /etc/functions.sh |
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. /etc/diag.sh |
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failsafe() { |
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lock /tmp/.failsafe |
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set_state failsafe |
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netmsg 192.168.1.255 "Entering Failsafe!" |
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telnetd -l /bin/login <> /dev/null 2>&1 |
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ash --login |
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} |
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export PATH=/bin:/sbin:/usr/bin:/usr/sbin |
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mount none /proc -t proc |
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size=$(awk '/Mem:/ {l=5242880;print((s=$2/2)<l)?$2-l:s}' /proc/meminfo) |
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mount none /tmp -t tmpfs -o size=$size |
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if grep devfs /proc/filesystems > /dev/null; then |
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mount none /dev -t devfs |
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M0=/dev/pty/m0 |
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M1=/dev/pty/m1 |
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else |
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mount -t sysfs none /sys |
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mount -t tmpfs tmpfs /dev -o size=512K |
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mknod /dev/console c 5 1 |
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mkdir /dev/shm |
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/sbin/hotplug2 --no-persistent --coldplug --max_children 1 |
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M0=/dev/ptmx |
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M1=/dev/ptmx |
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fi |
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mkdir -p /dev/pts |
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mount none /dev/pts -t devpts |
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# the shell really doesn't like having stdin/out closed |
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# that's why we use /dev/pty/m0 and m1 as replacement |
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# for /dev/console if there's no serial console available |
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dd if=/dev/console of=/dev/null bs=1 count=0 >/dev/null 2>/dev/null || \ |
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exec <$M0 >$M1 2>&0 |
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set_state preinit |
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#FIXME : use the MTX-1 button to catch failsafe |
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trap 'FAILSAFE=true' USR1 |
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echo '/sbin/hotplug' > /proc/sys/kernel/hotplug |
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ifname=eth0 |
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eval ${FAILSAFE:+failsafe} |
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lock -w /tmp/.failsafe |
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set_state preinit |
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echo /sbin/hotplug-call > /proc/sys/kernel/hotplug |
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mount_root |
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exec /sbin/init |
@ -0,0 +1,3 @@ |
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. /etc/diag.sh |
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set_state preinit |
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