usb/android/luks (un)mount scripts
to replace dmenumount and dmenuumount
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Luke Smith
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93
.local/bin/mounter
Executable file
93
.local/bin/mounter
Executable file
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#!/bin/bash
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# Mounts Android Phones and USB drives (encrypted or not). This script will
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# replace the older `dmenumount` which had extra steps and couldn't handle
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# encrypted drives.
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# TODO: Remove already mounted Android phones from prompt.
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# TODO: Try mount first for drives if in fstab to avoid directory prompt?
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# TODO: Add some support for connecting iPhones (although they are annoying).
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set -e
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# Check for phones.
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phones="$(simple-mtpfs -l 2>/dev/null | sed "s/^/📱/")"
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# Check for drives.
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alldrives="$(lsblk -rpo "uuid,name,type,size,label,mountpoint,fstype")"
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# Get all LUKS drives
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allluks="$(echo "$alldrives" | grep crypto_LUKS)"
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# Get a list of the LUKS drive UUIDs already decrypted.
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decrypted="$(ls /dev/disk/by-id/dm-uuid-CRYPT-LUKS2-* | sed "s|.*LUKS2-||;s|-.*||")"
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# Functioning for formatting drives correctly for dmenu:
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filter() { sed "s/ /:/g" | awk -F':' '$7==""{printf "%s%s (%s) %s\n",$1,$3,$5,$6}' ; }
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# Get only LUKS drives that are not decrypted.
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IFS='
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'
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unopenedluks="$(for drive in $allluks; do
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uuid="${drive%% *}"
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uuid="${uuid//-}" # This is a bashism.
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for open in $decrypted; do
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[ "$uuid" = "$open" ] && break 1
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done && continue 1
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echo "🔒 $drive"
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done | filter)"
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# Get all normal, non-encrypted or decrypted partitions that are not mounted.
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normalparts="$(echo "$alldrives"| grep -v crypto_LUKS | grep 'part\|rom\|crypt' | sed "s/^/💾 /" | filter )"
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# Add all to one variable. If no mountable drives found, exit.
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alldrives="$(echo "$phones
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$unopenedluks
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$normalparts" | sed "/^$/d;s/ *$//")"
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test -n "$alldrives"
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# Feed all found drives to dmenu and get user choice.
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chosen="$(echo "$alldrives" | dmenu -p "Mount which drive?" -i)"
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# Function for prompting user for a mountpoint.
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getmount(){
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mp="$(find /mnt /media /mount /home -maxdepth 5 -type d 2>/dev/null | dmenu -i -p "Mount this drive where?")"
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test -n "$mp"
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if [ ! -d "$mp" ]; then
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mkdiryn=$(printf "No\\nYes" | dmenu -i -p "$mp does not exist. Create it?")
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[ "$mkdiryn" = "Yes" ] && (mkdir -p "$mp" || sudo -A mkdir -p "$mp")
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fi
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}
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case "$chosen" in
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💾*)
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chosen="${chosen%% *}"
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chosen="${chosen:1}" # This is a bashism.
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getmount
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sudo mount "$chosen" "$mp"
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notify-send "💾Drive Mounted." "$chosen mounted to $mp."
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;;
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🔒*)
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chosen="${chosen%% *}"
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chosen="${chosen:1}" # This is a bashism.
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# Number the drive.
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while true; do
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[ -f "/dev/mapper/usb$num" ] || break
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num="$(printf "%02d" "$((num +1))")"
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done
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# Decrypt in a terminal window
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${TERMINAL:-st} -n floatterm -g 60x1 -e sudo cryptsetup open "$chosen" "usb$num"
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# Check if now decrypted.
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test -b /dev/mapper/usb$num
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getmount
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sudo mount "/dev/mapper/usb$num" "$mp"
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notify-send "🔓Decrypted drive Mounted." "$chosen decrypted and mounted to $mp."
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;;
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📱*)
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getmount
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echo "OK" | dmenu -i -p "Tap Allow on your phone if it asks for permission and then press enter"
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chosen="${chosen%%:*}"
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chosen="${chosen:1}" # This is a bashism.
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simple-mtpfs --device "$chosen" "$mp"
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notify-send "🤖 Android Mounted." "Android device mounted to $mp."
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;;
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esac
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28
.local/bin/unmounter
Executable file
28
.local/bin/unmounter
Executable file
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@ -0,0 +1,28 @@
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#!/bin/sh
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# Unmount USB drives or Android phones. Replaces the older `dmenuumount`. Fewer
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# prompt and also de-decrypts LUKS drives that are unmounted.
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set -e
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mounteddroids="$(grep simple-mtpfs /etc/mtab | awk '{print "📱" $2}')"
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lsblkoutput="$(lsblk -nrpo "name,type,size,mountpoint")"
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mounteddrives="$(echo "$lsblkoutput" | awk '($2=="part"||$2="crypt")&&$4!~/\/boot|\/home$|SWAP/&&length($4)>1{printf "💾%s (%s)\n",$4,$3}')"
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allunmountable="$(echo "$mounteddroids
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$mounteddrives" | sed "/^$/d;s/ *$//")"
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test -n "$allunmountable"
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chosen="$(echo "$allunmountable" | dmenu -i -p "Unmount which drive?")"
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chosen="${chosen%% *}"
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test -n "$chosen"
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sudo -A umount -l "/${chosen#*/}"
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notify-send "Device unmounted." "$chosen has been unmounted."
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# Close the chosen drive if decrypted.
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cryptid="$(echo "$lsblkoutput" | grep "/${chosen#*/}$")"
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cryptid="${cryptid%% *}"
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test -b /dev/mapper/"${cryptid##*/}"
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sudo -A cryptsetup close "$cryptid"
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notify-send "🔒Device dencryption closed." "Drive is now securely locked again."
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