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#!/bin/bash
# Mounts Android Phones and USB drives (encrypted or not). This script will
# replace the older `dmenumount` which had extra steps and couldn't handle
# encrypted drives.
# TODO: Try decrypt for drives in crtypttab
# TODO: Add some support for connecting iPhones (although they are annoying).
IFS='
'
# Function for escaping cell-phone names.
escape() { echo "$@" | iconv -cf UTF-8 -t ASCII//TRANSLIT | tr -d '[:punct:]' | tr '[:upper:]' '[:lower:]' | tr ' ' '-' | sed "s/-\+/-/g;s/\(^-\|-\$\)//g"; }
# Check for drives.
lsblkoutput="$(lsblk -rpo "uuid,name,type,size,label,mountpoint,fstype")"
# Get all LUKS drives
allluks="$(echo "$lsblkoutput" | grep crypto_LUKS)"
# Get a list of the LUKS drive UUIDs already decrypted.
decrypted="$(find /dev/disk/by-id/dm-uuid-CRYPT-LUKS2-* | sed "s|.*LUKS2-||;s|-.*||")"
# Functioning for formatting drives correctly for dmenu:
filter() { sed "s/ /:/g" | awk -F':' '$7==""{printf "%s%s (%s) %s\n",$1,$3,$5,$6}'; }
# Get only LUKS drives that are not decrypted.
unopenedluks="$(for drive in "${allluks[@]}"; do
uuid="${drive%% *}"
uuid="${uuid//-/}" # This is a bashism.
if [ "$decrypted" != "" ]; then
for open in "${decrypted[@]}"; do
[ "$uuid" = "$open" ] && break 1
done && continue 1
fi
echo "🔒 $drive"
done | filter)"
# Get all normal, non-encrypted or decrypted partitions that are not mounted.
normalparts="$(echo "$lsblkoutput" | grep -v crypto_LUKS | grep 'part\|rom\|crypt' | sed "s/^/💾 /" | filter)"
# Add all to one variable. If no mountable drives found, exit.
alldrives="$(echo "$unopenedluks
$normalparts" | sed "/^$/d;s/ *$//")"
# Quit the script if a sequential command fails.
set -e
test "$alldrives" != ""
# Feed all found drives to dmenu and get user choice.
chosen="$(echo "$alldrives" | dmenu -p "Mount which drive?" -i)"
# Function for prompting user for a mountpoint.
getmount() {
mp="$(find /mnt /media /mount /home -maxdepth 1 -type d 2>/dev/null | dmenu -i -p "Mount this drive where?")"
test "$mp" != ""
if [ ! -d "$mp" ]; then
mkdiryn=$(printf "No\\nYes" | dmenu -i -p "$mp does not exist. Create it?")
[ "$mkdiryn" = "Yes" ] && (mkdir -p "$mp" || doas mkdir -p "$mp")
fi
}
attemptmount() {
# Attempt to mount without a mountpoint, to see if drive is in fstab.
doas mount "$chosen" || return 1
notify-send "💾Drive Mounted." "$chosen mounted."
exit
}
case "$chosen" in
💾*)
chosen="${chosen%% *}"
chosen="${chosen:1}" # This is a bashism.
attemptmount || getmount
doas mount "$chosen" "$mp" # -o uid="$(id -u)",gid="$(id -g)"
notify-send "💾Drive Mounted." "$chosen mounted to $mp."
;;
🔒*)
chosen="${chosen%% *}"
chosen="${chosen:1}" # This is a bashism.
# Number the drive.
while true; do
[ -f "/dev/mapper/usb$num" ] || break
num="$(printf "%02d" "$((num + 1))")"
done
# Decrypt in a terminal window
"${TERMINAL:-st}" -n floatterm -g 60x1 -e doas cryptsetup open "$chosen" "usb$num"
# Check if now decrypted.
test -b "/dev/mapper/usb$num"
attemptmount || getmount
doas mount "/dev/mapper/usb$num" "$mp" # -o uid="$(id -u)",gid="$(id -g)"
notify-send "🔓Decrypted drive Mounted." "$chosen decrypted and mounted to $mp."
;;
esac
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