| 1 | #!/bin/sh
|
| 2 | # $ ummounter
|
| 3 | # you will then be guided through the rest of the steps
|
| 4 | # works best with USB drives, not tested with other devices
|
| 5 |
|
| 6 | set -e
|
| 7 |
|
| 8 | sudo -v || exit 1
|
| 9 |
|
| 10 | mapped_devices=""
|
| 11 | for path in /dev/mapper/usb*; do
|
| 12 | [ -e "$path" ] || continue
|
| 13 | mapped_devices="$mapped_devices $(basename "$path")"
|
| 14 | done
|
| 15 |
|
| 16 | set -- $mapped_devices
|
| 17 |
|
| 18 | [ "$#" -eq 0 ] && exit 1
|
| 19 |
|
| 20 | echo "Devices Found"
|
| 21 | i=1
|
| 22 | for dev in "$@"; do
|
| 23 | echo "[$i] /dev/mapper/$dev"
|
| 24 | i=$((i + 1))
|
| 25 | done
|
| 26 |
|
| 27 | if [ $i -eq 2 ]; then
|
| 28 | index=1
|
| 29 | else
|
| 30 | printf "select a device to unmount [1-%d]: " $(( $# ))
|
| 31 | read index
|
| 32 |
|
| 33 | case "$index" in
|
| 34 | ''|*[!1-9]*)
|
| 35 | exit 1
|
| 36 | ;;
|
| 37 | esac
|
| 38 |
|
| 39 | if [ "$index" -lt 1 ] || [ "$index" -ge "$#" ]; then
|
| 40 | exit 1
|
| 41 | fi
|
| 42 | fi
|
| 43 |
|
| 44 | i=1
|
| 45 | for dev in "$@"; do
|
| 46 | [ "$i" -eq "$index" ] && name="$dev" && break
|
| 47 | i=$((i + 1))
|
| 48 | done
|
| 49 |
|
| 50 | mount_point="/mnt/$name"
|
| 51 |
|
| 52 | if mountpoint -q "$mount_point" 2>/dev/null; then
|
| 53 | echo "umounting $mount_point"
|
| 54 | sudo umount "$mount_point"
|
| 55 | fi
|
| 56 |
|
| 57 | echo "cryptsetup closing $name"
|
| 58 | sudo cryptsetup close "$name"
|
| 59 |
|
| 60 | echo "/dev/mapper/$name unmounted successfully"
|
