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#!/bin/sh
#TODO: GET RID OF GLOBAL VARIABLES LIKE chosen
#shopt -s expand_aliases
dmenu="$HOME/.local/bin/cdmenu"
getmount() { \
[ -z "$chosen" ] && exit 1
# shellcheck disable=SC2086
mp="$(find $1 2>/dev/null | "$dmenu" -l 30 -i -p "Type in mount point.")" || exit 1
[ "$mp" = "" ] && exit 1
if [ ! -d "$mp" ]; then
mkdiryn=$(printf "No\nYes" | "$dmenu" -i -p "$mp does not exist. Create it?") || exit 1
[ "$mkdiryn" = "Yes" ] && (mkdir -p "$mp" || doas mkdir -p "$mp")
fi
}
mountusb() { \
# handle LUKS-encrypted drives
#case "$(lsblk -no FSTYPE $1)" in
# *crypto_LUKS*)
#;;
#esac
#doas mount "$1" 2>/dev/null && notify-send "USB mounting" "$1 mounted." && exit 0
doas mount "$1" 2>/dev/null && notify-send "$1 mounted" "" && exit 0
alreadymounted=$(lsblk -nrpo "name,type,mountpoint" | awk '$3!~/\/boot|\/home$|SWAP/&&length($3)>1{printf "-not ( -path *%s -prune ) ",$3}')
getmount "/mnt /media -maxdepth 1 -type d $alreadymounted"
partitiontype="$(lsblk -no "fstype" "$1")"
case "$partitiontype" in
"vfat") doas mount -t vfat "$1" "$mp" -o rw,umask=0000;;
"exfat") doas mount "$1" "$mp" -o uid="$(id -u)",gid="$(id -g)";;
*crypto_LUKS*)
name="$(LC_ALL=C tr -dc A-Za-z0-9 </dev/urandom | head -c 16)"
mkfifo fifo
dpass > fifo &
doas cryptsetup open --type luks "$1" "$name" --key-file fifo
rm fifo
device="/dev/mapper/$name"
doas mount "$device" "$mp"
;;
*) doas mount "$1" "$mp"; user="$(whoami)"; ug="$(groups | awk '{print $1}')"; doas chown "$user":"$ug" "$mp";;
esac
notify-send "$1 mounted to $mp." ""
}
mountandroid() { \
getmount "/mnt -maxdepth 1 -type d"
jmtpfs -device="$1" "$mp"
#echo "OK" | "$dmenu" -i -p "Tap Allow on your phone if it asks for permission and then press enter" || exit 1
#jmtpfs -device="$1" "$mp"
notify-send "Android mounting" "Android device mounted to $mp."
}
mountsamba() { \
getmount "/mnt -maxdepth 1 -type d"
user=$(echo $(whoami) | $dmenu -i -p "Input user name for $1:")
pass=$(pass-askpass "Input password for user \"$user\" for share $1")
doas mount -t cifs -o user="$user",password="$pass",iocharset=utf8,uid=$(id -u),gid=$(id -g),file_mode=0644,dir_mode=0755 "$1" "$mp"
if [ $? -ne 0 ]; then
notify-send -u critical "Samba mounting" "Failed to mount $1 to $mp as $user"
exit 1
fi
notify-send "Samba mounting" "$1 mounted to $mp as $user"
}
unmountdev() { \
result=$(doas umount "$1" 2>&1)
if [ -z "$result" ]; then
notify-send "Unmount device" "$1 unmounted"
return
else
processes=$(lsof "$1" | tail -n +2 | awk '{print $1 " " $2}' | uniq)
pids="$(echo "$processes" | awk '{print $2}')"
#notify-send -u critical "Unmount device" "$result\nPreparing list of processes blocking $1..."
notify-send -u critical "Unmount $1" "$result\nBlocking processes:\n$processes"
action=$(echo -e "nothing\nterminate\nkill" | $dmenu -p "What to do to processes blocking $1" -l 3)
case $action in
terminate) echo "$pids" | while IFS='\n' read -r pid ; do kill $pid; done ;;
kill) echo "$pids" | while IFS='\n' read -r pid ; do kill -9 $pid; done ;;
nothing)
notify-send -u critical "Unmount device" "Aborted, $1 is still mounted"
return ;;
esac
unmountdev "$1"
fi
}
selectusb() { \
chosen=$(lsblk -lpo "vendor,model,name,label,size,mountpoint" | "$dmenu" -l 30 | xargs | cut -d' ' -f 1)
# if mounted
if [ ! -z "$(grep $chosen "/etc/mtab")" ] ; then
choice=$(echo -e "No\nYes" | "$dmenu" -l 2 -p "Partition is mounted. Unmount?")
case $choice in
Yes) unmountdev $chosen ;;
No) exit ;;
esac
else
mountusb $chosen
fi
}
selectsamba() { \
IP=$(ip addr | grep 'state UP' -A2 | tail -n1 | awk '{print $2}' | cut -f1 -d'/')
subnets="$IP\n$(echo $IP | cut -d. -f1-3).1\n$(echo $IP | cut -d. -f1-3).*\n$(echo $IP | cut -d. -f1-2).*.*"
#printf "Subnets $subnets"
subnet=$(printf "$subnets" | $dmenu -l 64 -p "Input samba scan range")
#echo "Subnet $subnet"
scan() { \
nmap $1 -p 445 --open -oG - | grep "Host:" | cut -d " " -f 2 | uniq | xargs -I '{}' sh -c 'echo "Scan {}";echo "---------";smbclient -L//{} -N'
}
notify-send "Samba mount" "Scanning network for samba shares..."
scanresult=$(scan $subnet)
#printf "$scanresult\n"
IPs=$(echo "$scanresult" | grep Scan | cut -d' ' -f2-)
#printf "Server IPs:\n$IPs\n"
IP=$(printf "$IPs" | $dmenu -l 64 -p "Choose samba server IP")
#echo "Selected $IP"
shares="""$(scan $IP)"""
#printf "Shares:\n$shares\n"
# smbclient output cleanup:
# cut off static header with tail
# cut off warning about SMB1 with head
# remove leading whitespace with sed
shares=$(printf "$shares" | tail -n +6 | head -n -1 | sed -e 's/^[[:space:]]*//')
#printf "Filtered shares:\n$shares\n"
share=$(printf "$shares" | $dmenu -l 64 -p "Which samba share to mount?")
#printf "$share\n"
# leave only share name, assuming no whitespace in share name
chosen=$(echo $share | cut -d' ' -f 1)
#printf "Chosen: $chosen\n"
mountsamba "//$IP/$chosen"
}
selectandroid() { \
unmounted=$(jmtpfs -l | sed -e '1,2d')
mounted=$(grep "jmtpfs" "/etc/mtab")
list="Mounted:\n"
if [ ! -z "$mounted" ]; then
list="$list$mounted"
fi
list="$list\nUnmounted:\n"
if [ ! -z "$unmounted" ]; then
list="$list$unmounted"
fi
chosen=$(echo "$list" "$mounted" | "$dmenu" -i -l 30)
echo "CHOSEN" $chosen
case $chosen in
*jmtpfs*) unmountdev $(echo $chosen | cut -d' ' -f 2) ;;
*) mountandroid $(echo $chosen | awk '{print $1 $2}' | cut -d, -f1-2) ;;
esac
}
choice="$(printf "USB\\nSamba\\nAndroid" | "$dmenu" -i -p "(Un-)mount a USB drive, Samba share or Android device?")" || exit 1
case $choice in
USB) selectusb ;;
Samba) selectsamba ;;
Android) selectandroid ;;
esac
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