usbfix

#!/bin/sh -x
# usbfix v0.4 rs232
PID=$$
export PATH=/bin:/usr/bin:/sbin:/usr/sbin:/home/root:
alias logi='logger -p INFO -t usbfix[$PID]'
[ ! $1 ] && days=30 || days="$1"
secs=$((((days*24)*60)*60))
now=$(date +%s)
chk=$(nvram get usb_chk)
[ $(echo "$chk" | wc -c ) -lt 2 ] && chk=0
[ "$chk" -lt $((now-secs)) ] && {
blkid | grep -Eo 'sd[a-d][0-9]' | while read device; do
fs=$(mount | grep "^\/dev\/$device\ on\ \/tmp\/" | awk '{print $5}')
freeme() {
	for process in $(lsof | grep '\/tmp\/mnt\/' | awk '{print $1}'); do
	id=$(ps | grep $process | grep -v 'grep' | awk '{print $1}')
	prog=$(ps | grep $process | grep -v grep | awk '{print $5" "$6" "$7" "$8" "$9" "$10" "$11" "$12" "$13" "$14" "$15}')
	kill "${id}";
	echo "${prog}" >> /tmp/prog
done
sleep 1
umount -f /dev/$device
sleep 1
}
rerun() {
chmod +x /tmp/prog
/tmp/prog
rm /tmp/prog
}
echo "${fs}" | grep -q 'ntfs\|fuseblk' && {
 logi "Reparing /dev/$device with filesystem $fs"
 freeme
 /usr/sbin/ntfsck /dev/"$device"
 rerun
}
echo "${fs}" | grep -qi 'fat' && {
 logi "Reparing /dev/$device with filesystem $fs"
# If you have FAT and know the repair command for it please share
}
echo "${fs}" | grep -Eq "ext2\|ext3\|ext4" && {
 logi "Reparing /dev/$device with filesystem $fs"
 freeme
 /usr/sbin/e2fsck -p -y -c /dev/"$device"
 rerun
}
echo "${fs}" | grep -q 'hpfs\|hfp\|hfs' && {
 logi "Reparing /dev/$device with filesystem $fs"
 freeme
# Command needs to be checked!
/usr/sbin/fsck.hfsplus /dev/"$device"
 rerun
}
echo "${fs}" | grep -qi "zfs" && {
 logi "Reparing /dev/$device with filesystem $fs"
 freeme
 [ $(zpool list | grep -v "NAME\|no\ pools\ available" | wc -l) -ne 0 ] && {
	zpool list | grep -v "NAME\|no\ pools\ available" | while read line; do
		pname=$(echo $line | awk '{print $1}')
		zpool scrub $pname
	done
 }
 rerun
# If you have zfs and know the repair command for it please share
}
done
nvram set usb_chk=$now
nvram commit
sleep 1
# reboot
# should be reboot in production to allow volumes to mount properly
} || {
logi "usbfix skipped ($days days have not gone past yet)"
}