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|
#!/bin/bash
# import functions library
source rescue_common
tmpdir="/tmp/flash-rescue-root"
rootdir="$tmpdir/pen"
function prepare() {
modprobe unionfs > /dev/null 2>&1
modprobe squashfs > /dev/null 2>&1
modprobe loop > /dev/null 2>&1
mkdir -p $rootdir
mkdir -p $tmpdir/squash
mkdir -p $tmpdir/user
mkdir -p $tmpdir/union
if ! mount_usbroot $rootdir; then
return 1
fi
mount -t squashfs -o loop $sfs_loop $tmpdir/squash > /dev/null 2>&1
if [ $? -ne 0 ]; then
echo "Error mounting distrib.sqfs"
return 1
fi
mount -t ext2 -o loop $sys_loop $tmpdir/user > /dev/null 2>&1
if [ $? -ne 0 ]; then
echo "Error mounting system.loop"
return 1
fi
mount -t unionfs -o dirs=$tmpdir/user=rw:$tmpdir/squash=ro \
none $tmpdir/union
if [ $? -ne 0 ]; then
echo "Error creating union of distrib.sqfs and system.loop"
return 1
fi
chroot $tmpdir/union /etc/init.d/keytable start &> /dev/null
chroot $tmpdir/union /usr/bin/unicode_start
return 0
}
function doit() {
clear
echo
chroot $tmpdir/union passwd root
echo
echo
return 0
}
function cleanup() {
chroot $tmpdir/union /usr/bin/unicode_stop
umount $tmpdir/union > /dev/null 2>&1
umount $tmpdir/user > /dev/null 2>&1
umount $tmpdir/squash > /dev/null 2>&1
umount $rootdir > /dev/null 2>&1
rmdir $tmpdir/union $tmpdir/user $tmpdir/squash 2> /dev/null
rmdir $rootdir $tmpdir 2> /dev/null
}
clear
trap cleanup SIGINT
version=""
if ! insert_pendrive; then
exit 1
fi
if [ x"$version" = x"1.0" ]; then
sys_loop="$rootdir/loopbacks/system.loop"
sfs_loop="$rootdir/loopbacks/distrib.sqfs"
else
sys_loop="$rootdir/.loopbacks/system.loop"
sfs_loop="$rootdir/.loopbacks/distrib.sqfs"
fi
if ! prepare; then
cleanup
exit 1
fi
if ! doit; then
cleanup
exit 1
fi
cleanup
exit 0
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