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#!/bin/sh
mounted=
/bin/mount -t proc proc /proc
/bin/echo "0x0100" > /proc/sys/kernel/real-root-dev
if [ -z "$mounted" ] && /bin/mount -rt jffs2 /dev/mtdblock4 /mnt/tmpmnt ; then
if [ -e /mnt/tmpmnt/sbin/init -o -e /mnt/tmpmnt/bin/init ] ; then
if [ -f /mnt/tmpmnt/.recovery ] ; then
mounted=
elif [ -f /mnt/tmpmnt/.ramdisk ] ; then
/bin/dd if=/dev/zero of=/dev/ram1 bs=1k count=12k
/bin/mkdir /lib
/bin/ln -s /mnt/tmpmnt/lib/* /lib
/bin/mkdir /usr/bin
/bin/ln -s /mnt/tmpmnt/usr/bin/mke2fs /usr/bin
/bin/ln -s /mnt/tmpmnt/usr/bin/find /usr/bin
/bin/ln -s /mnt/tmpmnt/usr/bin/cpio /usr/bin
/usr/bin/mke2fs -m 0 /dev/ram1 12288
/bin/mount -t ext2 /dev/ram1 /mnt/repair
( cd /mnt/tmpmnt ; /usr/bin/find . -print0 -mount | /usr/bin/cpio -p -0 -d -m -u /mnt/repair )
/bin/cp /mnt/repair/home/httpd/html/Management/upgrade.cgi /mnt/repair/home/httpd/html/Management/upgrade-real.cgi
/bin/echo "#!/bin/sh" > /mnt/repair/home/httpd/html/Management/upgrade.cgi
/bin/echo >> /mnt/repair/home/httpd/html/Management/upgrade.cgi
/bin/echo "/bin/mount -t ramfs none /upload -o size=8196 2>/dev/null" \
>> /mnt/repair/home/httpd/html/Management/upgrade.cgi
/bin/echo "/bin/dd if=/dev/zero of=/upload/free-ram bs=1k count=8k 2>/dev/null" \
>> /mnt/repair/home/httpd/html/Management/upgrade.cgi
/bin/echo "/bin/umount /upload 2>/dev/null" \
>> /mnt/repair/home/httpd/html/Management/upgrade.cgi
/bin/echo "exec /home/httpd/html/Management/upgrade-real.cgi" \
>> /mnt/repair/home/httpd/html/Management/upgrade.cgi
/bin/umount /mnt/repair
/bin/echo "Root filesystem will be mounted from /dev/ram1 (a copy of /dev/mtdblock4) ..."
/bin/echo "0x0101" > /proc/sys/kernel/real-root-dev
mounted=/mnt/tmpmnt
else
/bin/echo "Root filesystem will be mounted from /dev/mtdblock4 ..."
/bin/echo "0x1f04" > /proc/sys/kernel/real-root-dev
mounted=/mnt/tmpmnt
fi
fi
/bin/umount /mnt/tmpmnt
fi
if [ -z "$mounted" ] ; then
if [ -e /mnt/tmpmnt/sbin/init -o -e /mnt/tmpmnt/bin/init ] ; then
/bin/echo "Root filesystem will be mounted from /dev/ram0 ..."
mounted=/mnt/tmpmnt
/bin/echo "0x0100" > /proc/sys/kernel/real-root-dev
fi
fi
if [ -z "$mounted" ] ; then
/bin/echo "Root filesystem cannot be found - dropping into shell ..."
/bin/echo "5" > /proc/sys/kernel/panic
device=/dev/`/bin/sed -n -e 's/^\(mtd[0-9]*\): .* "FIS directory"/\1/p' /proc/mtd`
length=`/bin/dd if=$device bs=2 skip=2048 | /bin/hexdump -n 4 -e '4/1 "%02X"' $device`
if ( [ "$length" != "FFFFFFFF" ] ); then
/bin/dd if=$device bs=2 skip=2056 | /bin/tar zxvf -
/sbin/insmod ixp400
/sbin/insmod ixp425_eth
/sbin/ifconfig ixp0 up 192.168.1.77 netmask 255.255.0.0
/sbin/telnetd
fi
exec /bin/sh
fi
/bin/umount /proc
exit 0
|
