commit e0e9ccc8192f815227b8450deb5062e2e823ded3 Spenser Truex <truex@equwal.com> 2025-09-01 19:37:31 -0400 dmount/dunmount: mount/unmount drives
README.md | 1 + dmount | 114 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ dunmount | 28 +++++++++++++++ 3 files changed, 143 insertions(+)
diff --git a/README.md b/README.md index fd2337d..fa11301 100644 --- a/README.md +++ b/README.md @@ -10,6 +10,7 @@ with that. - `ddmenu`: use dmenu to select a dmenu script -- dception - `dmenu_run/dsudo`: run programs, maybe from a keybind set with xbindkeys or a wm - `dmenupass`: ask for the sudo password as SUDO_ASKPASS +- `dmount/dunmount`: mount/unmound drives - `dshow`: run a command and show output without having to open a terminal - `dsysact`: reboot/shutdown/etc. - `passmenu`: unix [`pass`](https://www.passwordstore.org/) interface diff --git a/dmount b/dmount new file mode 100755 index 0000000..b532e08 --- /dev/null +++ b/dmount @@ -0,0 +1,114 @@ +#!/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 phones. +phones="$(simple-mtpfs -l 2>/dev/null | sed "s/^/📱/")" +mountedphones="$(grep "simple-mtpfs" /etc/mtab)" +# If there are already mounted phones, remove them from the list of mountables. +[ -n "$mountedphones" ] && phones="$(for phone in $phones; do + for mounted in $mountedphones; do + escphone="$(escape "$phone")" + [[ "$mounted" =~ "$escphone" ]] && break 1 + done && continue 1 + echo "$phone" +done)" + +# 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. + for open in $decrypted; do + [ "$uuid" = "$open" ] && break 1 + done && continue 1 + 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 "$phones +$unopenedluks +$normalparts" | sed "/^$/d;s/ *$//")" + +# Quit the script if a sequential command fails. +set -e + +test -n "$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="$(find /mnt /media /mount /home -maxdepth 1 -type d 2>/dev/null | dmenu -i -p "Mount this drive where?")" + test -n "$mp" + if [ ! -d "$mp" ]; then + mkdiryn=$(printf "No\\nYes" | dmenu -i -p "$mp does not exist. Create it?") + [ "$mkdiryn" = "Yes" ] && (mkdir -p "$mp" || sudo -A mkdir -p "$mp") + fi +} + +attemptmount(){ + # Attempt to mount without a mountpoint, to see if drive is in fstab. + sudo -A mount "$chosen" || return 1 + notify-send "💾Drive Mounted." "$chosen mounted." + exit +} + +case "$chosen" in + 💾*) + chosen="${chosen%% *}" + chosen="${chosen:1}" # This is a bashism. + attemptmount || getmount + sudo -A mount "$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 + ${TERMINAL:-st} -n floatterm -g 60x1 -e sudo cryptsetup open "$chosen" "usb$num" + # Check if now decrypted. + test -b "/dev/mapper/usb$num" + + attemptmount || getmount + sudo -A mount "/dev/mapper/usb$num" "$mp" -o uid="$(id -u)",gid="$(id -g)" + notify-send "🔓Decrypted drive Mounted." "$chosen decrypted and mounted to $mp." + ;; + + 📱*) + notify-send "❗Note" "Remember to allow file access on your phone now." + getmount + number="${chosen%%:*}" + number="${chosen:1}" # This is a bashism. + sudo -A simple-mtpfs -o allow_other -o fsname="simple-mtpfs-$(escape "$chosen")" --device "$number" "$mp" + notify-send "🤖 Android Mounted." "Android device mounted to $mp." + ;; +esac diff --git a/dunmount b/dunmount new file mode 100755 index 0000000..7f1dbf5 --- /dev/null +++ b/dunmount @@ -0,0 +1,28 @@ +#!/bin/sh + +# Unmount USB drives or Android phones. Replaces the older `dmenuumount`. Fewer +# prompt and also de-decrypts LUKS drives that are unmounted. + +set -e + +mounteddroids="$(grep simple-mtpfs /etc/mtab | awk '{print "📱" $2}')" +lsblkoutput="$(lsblk -nrpo "name,type,size,mountpoint")" +mounteddrives="$(echo "$lsblkoutput" | awk '($2=="part"||$2="crypt")&&$4!~/\/boot|\/home$|SWAP/&&length($4)>1{printf "💾%s (%s)\n",$4,$3}')" + +allunmountable="$(echo "$mounteddroids +$mounteddrives" | sed "/^$/d;s/ *$//")" +test -n "$allunmountable" + +chosen="$(echo "$allunmountable" | dmenu -i -p "Unmount which drive?")" +chosen="${chosen%% *}" +test -n "$chosen" + +sudo -A umount -l "/${chosen#*/}" +notify-send "Device unmounted." "$chosen has been unmounted." + +# Close the chosen drive if decrypted. +cryptid="$(echo "$lsblkoutput" | grep "/${chosen#*/}$")" +cryptid="${cryptid%% *}" +test -b /dev/mapper/"${cryptid##*/}" +sudo -A cryptsetup close "$cryptid" +notify-send "🔒Device dencryption closed." "Drive is now securely locked again."