58 lines
1.3 KiB
Bash
Executable file
58 lines
1.3 KiB
Bash
Executable file
#!/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
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