248 lines
9.4 KiB
Bash
Executable File
248 lines
9.4 KiB
Bash
Executable File
#!/bin/sh
|
|
SCAN_PERIOD=5
|
|
AUTOTRUST=false #trust every newly paired device
|
|
AUTOSCAN=false #immediately start scanning when started to speed up pairing process
|
|
#If you want to update symbols in your status bar add your details below:
|
|
bar="dwmblocks"
|
|
barsignal="4"
|
|
|
|
#locations of blacklist and hard coded list of paired devices (watch out, need to modify Makefile as well if you want to change these values and still use make install)
|
|
BLACKLIST=${XDG_DATA_HOME:-$HOME/.local/share}/bt/blacklist
|
|
PAIRLIST=${XDG_DATA_HOME:-$HOME/.local/share}/bt/paired
|
|
|
|
actions="pair
|
|
unpair"
|
|
|
|
[ "$AUTOTRUST" = false ] && actions="${actions}
|
|
trust"
|
|
|
|
#Checks for necessary programs to be present. Very unlikely not to be present but let's just err on the safer side.
|
|
for prog in dmenu bluetoothctl awk cat date nl; do
|
|
if ! hash "$prog" 2>/dev/null; then
|
|
printf 'bthandler: %s: command not found\n' "$prog" >&2
|
|
exit 127
|
|
fi
|
|
done
|
|
|
|
power(){
|
|
powerstatus="$( bluetoothctl show | grep Powered | awk '{print $2}' )"
|
|
if [ "$powerstatus" = "no" ]; then
|
|
[ "$1" = on ] && bluetoothctl power on
|
|
elif [ "$powerstatus" = "yes" ]; then
|
|
[ "$1" = off ] && bluetoothctl power off
|
|
fi
|
|
}
|
|
|
|
scan(){
|
|
scanstatus="$( bluetoothctl show | grep Discovering | awk '{print $2}' )"
|
|
if [ "$1" = on ]; then
|
|
#sets variable in case scanning was no already on before the start of bt
|
|
[ -f /tmp/bt_start_scan$$ ] || start_scan="$( date +'%s' )"
|
|
if [ "$scanstatus" = "no" ]; then
|
|
bluetoothctl scan on &
|
|
start_scan="$( date +'%s' )"
|
|
fi
|
|
echo "$start_scan" > /tmp/bt_start_scan$$
|
|
elif [ "$1" = off ]; then
|
|
if [ "$scanstatus" = "yes" ]; then
|
|
bluetoothctl scan off
|
|
fi
|
|
fi
|
|
}
|
|
|
|
#Check bluetoothctl paired-devices for new devices to be hardcoded into pair list
|
|
update_pair_list(){
|
|
btctl_paired_devices="$(bluetoothctl paired-devices)"
|
|
if [ -n "$btctl_paired_devices" ]
|
|
then
|
|
btctl_not_in_list="$( echo "$btctl_paired_devices" | grep -vf "$PAIRLIST")"
|
|
[ -n "$btctl_not_in_list" ] && echo "$btctl_not_in_list" >> "$PAIRLIST"
|
|
fi
|
|
}
|
|
|
|
|
|
#start scanning as early as possible to speed up pairing process
|
|
startup(){
|
|
#remove old tmp files
|
|
for f in /tmp/*
|
|
do
|
|
case $f in
|
|
/tmp/bt_start_scan*) rm "$f";;
|
|
*) true;;
|
|
esac
|
|
done
|
|
if $AUTOSCAN
|
|
then
|
|
power on
|
|
scan on
|
|
fi
|
|
}
|
|
|
|
|
|
if [ "$1" = "edit" ]; then
|
|
case $2 in
|
|
"pairlist")${EDITOR:-vim} "$PAIRLIST" && exit;;
|
|
"blacklist")${EDITOR:-vim} "$BLACKLIST" && exit;;
|
|
*)true;;
|
|
esac
|
|
fi
|
|
#Sadly needs to be run without '&' for now, since it otherwise breaks start_scan variable
|
|
startup &
|
|
update_pair_list &
|
|
|
|
# include head command here to speed up launch if too many devices are listed (long uptime and long scanning will lead to this depending on your surroundings)
|
|
# shellcheck disable=SC1091
|
|
if bluetoothctl devices | head | awk '{print "bluetoothctl info "$2}' | . /dev/stdin | grep -q "Connected: yes"
|
|
then
|
|
actions="$(printf "disconnect\n%s" "$actions")"
|
|
fi
|
|
|
|
|
|
#Compile list of all Bluetooth IDS of paired devices (from bluetoothctl and from hardcoded list)
|
|
bt_IDS="$( ( bluetoothctl paired-devices && cat "$PAIRLIST" ) | sort -u | awk '{print $2}' )"
|
|
|
|
#Compile list of all device Names of paired devices (from bluetoothctl and from hardcoded list)
|
|
paired_devices="$( ( bluetoothctl paired-devices && cat "$PAIRLIST" ) | sort -u | awk '{for (i=3; i<NF; i++) printf $i " "; print $NF}' )"
|
|
|
|
disp_devices="$( echo "$paired_devices" | grep -vf "$BLACKLIST" )"
|
|
|
|
#detects current power mode of controller and adjusts options accordingly
|
|
powerstatus="$( bluetoothctl show | grep Powered | awk '{print $2}' )"
|
|
poweroption="$( echo "$powerstatus" | sed 's/yes/power off/; s/no/power on/' )"
|
|
#Don't print empty device list, removes unnecessary empty choice in dmenu
|
|
[ "$disp_devices" = "" ] && choice=$( printf "%s\n%s" "$actions" "$poweroption" | dmenu -i -p 'What BT action would you like to perform:' )
|
|
[ "$disp_devices" != "" ] && choice=$( ( echo "$disp_devices" && printf "%s\n%s" "$actions" "$poweroption" ) | dmenu -i -p 'What BT action would you like to perform:' )
|
|
|
|
cleanup(){
|
|
scan off
|
|
rm /tmp/bt_start_scan$$ 2> /dev/null
|
|
pkill -RTMIN+$barsignal $bar
|
|
exit 0
|
|
}
|
|
|
|
pair(){
|
|
#since this function can get called indefinitely, make sure to always be scanning and controller has power in the case that it got deactived by some other process.
|
|
power on
|
|
scan on
|
|
#check whether $SCAN_PERIOD seconds has already passed since starting scanning, if not, wait for the rest of that time.
|
|
start_scan="$(cat /tmp/bt_start_scan$$)"
|
|
if [ $(( $(date +'%s') - $start_scan )) -lt $SCAN_PERIOD ]; then
|
|
sleep_period="$(( $SCAN_PERIOD - $( date +'%s') + $start_scan ))"
|
|
[ "$sleep_period" -gt 1 ] && plural="s"
|
|
notify-send "Bluetooth" "Searching for devices, please wait $sleep_period second$plural"
|
|
sleep "$sleep_period"
|
|
fi
|
|
all_devices="$( bluetoothctl devices )"
|
|
if [ "$paired_devices" = "" ]; then
|
|
new_devices="$( echo "$all_devices" | awk '{for (i=3; i<NF; i++) printf $i " "; print $NF}' )"
|
|
bt_IDS="$( echo "$all_devices" | awk '{print $2}' )"
|
|
else
|
|
#echo "$paired_devices" > /tmp/paired_devices$$
|
|
filtered_devices="$( echo "$all_devices" | grep -v "$paired_devices")"
|
|
bt_IDS="$( echo "$filtered_devices" | awk '{print $2}' )"
|
|
new_devices="$( echo "$filtered_devices" | awk '{for (i=3; i<NF; i++) printf $i " "; print $NF}' )"
|
|
#rm /tmp/paired_devices$$
|
|
fi
|
|
[ "$new_devices" = "" ] && options="rescan" || options=$(echo "$new_devices" && echo 'rescan')
|
|
choice=$( echo "$options" | dmenu -l 10 -i -p 'pair with which device?' )
|
|
if [ -n "$choice" ]; then
|
|
if [ "$choice" = "rescan" ]; then
|
|
start_scan="$( date +'%s')"
|
|
echo "$start_scan" > /tmp/bt_start_scan$$
|
|
pair
|
|
else
|
|
dev_no=$( echo "$new_devices" | nl | grep "$choice" | awk '{print $1}')
|
|
dev_id=$( echo "$bt_IDS" | nl | grep -P "^.*$dev_no\t" | awk '{print $2}' )
|
|
#only attempt to connect if pairing succeeds
|
|
bluetoothctl pair "$dev_id" && ( pair_succesful=true && bluetoothctl connect "$dev_id" ) || pair_succesful=false
|
|
if $AUTOTRUST; then
|
|
bluetoothctl trust "$dev_id"
|
|
fi
|
|
#if device is not already hard coded as paired, add to paired devices list
|
|
if $pair_succesful && [ "$( grep "$dev_id" "$PAIRLIST")" = "" ] || [ "$(wc -l "$PAIRLIST")" -eq 0 ]
|
|
then
|
|
echo to be added to "$PAIRLIST":
|
|
echo Device "$dev_id" "$choice"
|
|
echo Device "$dev_id" "$choice" >> "$PAIRLIST"
|
|
fi
|
|
fi
|
|
fi
|
|
}
|
|
|
|
case $choice in
|
|
"power on") bluetoothctl power on;;
|
|
"power off") bluetoothctl power off;;
|
|
"scan on") bluetoothctl power on && echo power on && sleep 2
|
|
([ -n "$TERMINAL" ] && $TERMINAL -e bluetoothctl scan on ) || st bluetoothctl scan on;;
|
|
"pair") pair;;
|
|
"unpair") choice=$( echo "$paired_devices" | dmenu -l 10 -i -p 'remove which paired device?')
|
|
if [ -n "$choice" ]; then
|
|
dev_no=$( echo "$paired_devices" | nl | grep -P "[0-9]+\t$choice$" | awk '{print $1}')
|
|
dev_id=$( echo "$bt_IDS" | nl | grep -P "^.*$dev_no\t" | awk '{print $2}' )
|
|
bluetoothctl remove "$dev_id"
|
|
#remove device to unpair from hard coded paired devices list
|
|
new_paired_list="$( grep -v "$dev_id" "$PAIRLIST" )"
|
|
if [ "$new_paired_list" != "" ]
|
|
then
|
|
echo "$new_paired_list" > "$PAIRLIST"
|
|
else
|
|
rm -rf "$PAIRLIST"
|
|
touch "$PAIRLIST"
|
|
fi
|
|
fi;;
|
|
|
|
"trust")
|
|
#search through all devices which are connected and only list those as options
|
|
# shellcheck disable=SC1091
|
|
untrusted_devices="$( awk '{print "bluetoothctl info "$2}' "$PAIRLIST" | . /dev/stdin | grep -E '(Alias:|Trusted:)' | sed -e 'N;s/\n/;/;s/^.?*Alias: //' | grep "Trusted: no" | awk -F ';' '{print $1}' )"
|
|
if [ "$( echo "$untrusted_devices" | wc -l )" -gt 0 ]
|
|
then
|
|
choice=$( echo "$untrusted_devices" | dmenu -l 10 -i -p 'remove which paired device?')
|
|
else
|
|
notify-send "Bluetooth" "No paired devices that are not trusted"
|
|
fi
|
|
if [ -n "$choice" ]; then
|
|
dev_no=$( echo "$paired_devices" | nl | grep -P "[0-9]+\t$choice$" | awk '{print $1}')
|
|
dev_id=$( echo "$bt_IDS" | nl | grep -P "^.*$dev_no\t" | awk '{print $2}' )
|
|
bluetoothctl trust "$dev_id"
|
|
fi;;
|
|
"disconnect")
|
|
#search through all devices which are connected and only list those as options
|
|
# shellcheck disable=SC1091
|
|
connected_devices="$( bluetoothctl devices | awk '{print "bluetoothctl info "$2}' | . /dev/stdin | grep -E '(Alias:|Connected:)' | sed -e 'N;s/\n/;/;s/^.?*Alias: //' | grep "Connected: yes" | awk -F ';' '{print $1}' )"
|
|
echo "$connected_devices"
|
|
#only open dmenu prompt if there is more than one connected device
|
|
if [ "$( echo "$connected_devices" | wc -l )" -gt 1 ]
|
|
then
|
|
choice=$( echo "$connected_devices" | dmenu -l 10 -i -p 'remove which paired device?')
|
|
else
|
|
choice="$connected_devices"
|
|
fi
|
|
#only there was a choice (instead of canceling the dmenu)
|
|
if [ -n "$choice" ]; then
|
|
dev_no=$( echo "$paired_devices" | nl | grep -P "[0-9]+\t$choice$" | awk '{print $1}')
|
|
dev_id=$( echo "$bt_IDS" | nl | grep -P "^.*$dev_no\t" | awk '{print $2}' )
|
|
bluetoothctl disconnect "$dev_id"
|
|
fi;;
|
|
"blacklist")
|
|
choice=$( echo "$paired_devices" | dmenu -l 10 -i -p 'blacklist which paired device from selection?')
|
|
if [ -n "$choice" ]; then
|
|
echo "$choice" >> "$BLACKLIST"
|
|
fi;;
|
|
*)
|
|
dev_no=$( echo "$paired_devices" | nl | grep -P "[0-9]+\t$choice$" | awk '{print $1}')
|
|
[ "$dev_no" != "" ] && dev_id=$( echo "$bt_IDS" | nl | grep -P "^.*$dev_no\t" | awk '{print $2}')
|
|
if [ -n "$dev_id" ]; then
|
|
power on
|
|
if bluetoothctl info "$dev_id" | grep -q "Connected: yes"
|
|
then
|
|
bluetoothctl disconnect "$dev_id"
|
|
else
|
|
bluetoothctl devices | grep -q "$dev_id" || bluetoothctl pair "$dev_id"
|
|
bluetoothctl connect "$dev_id"
|
|
fi
|
|
fi;;
|
|
esac
|
|
|
|
cleanup
|