blob: 89dc3bcfdf0fd0a5d1e3b09ac73ac6b5a04275c4 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
#!/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 "$ifname" /proc/net/dev >/dev/null && {
failsafe_ip
netmsg 192.168.1.255 "Entering Failsafe!"
telnetd -l /bin/login <> /dev/null 2>&1
}
lock /tmp/.failsafe
ash --login
}
mount proc /proc -t proc
mount sysfs /sys -t sysfs
size=$(awk '/MemTotal:/ {l=5242880;mt=($2*1024);print((s=mt/2)<l)&&(mt>l)?mt-l:s}' /proc/meminfo)
mount tmpfs /tmp -t tmpfs -o size=$size,nosuid,nodev,mode=1777
if grep devfs /proc/filesystems > /dev/null; then
mount devfs /dev -t devfs
M0=/dev/pty/m0
M1=/dev/pty/m1
HOTPLUG=/sbin/hotplug-call
elif [ -x /sbin/hotplug2 ]; then
mount -t tmpfs tmpfs /dev -o size=512K
mknod /dev/console c 5 1
/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=
elif [ -x /sbin/udevd ]; then
mount -n -t tmpfs -o mode=0755 udev /dev
/sbin/udevd --daemon
/sbin/udevtrigger
/sbin/udevsettle
M0=/dev/pty/ptmx
M1=/dev/pty/ptmx
HOTPLUG=
fi
mkdir -p /dev/pts /dev/shm
mount devpts /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 -"
echo "Press CTRL-C for failsafe"
trap 'FAILSAFE=true' INT
trap 'FAILSAFE=true' USR1
[ -e /etc/preinit.arch ] && . /etc/preinit.arch
set_state preinit
echo "$HOTPLUG" > /proc/sys/kernel/hotplug
export FAILSAFE
eval ${FAILSAFE:+failsafe}
lock -w /tmp/.failsafe
if [ -z "$INITRAMFS" ]; then
mount_root
[ -f /sysupgrade.tgz ] && {
echo "- config restore -"
cd /
mv sysupgrade.tgz /tmp
tar xzf /tmp/sysupgrade.tgz
rm -f /tmp/sysupgrade.tgz
sync
}
echo "- init -"
exec /sbin/init
fi
|
