petits-scripts-persos/wifi_chooser
Adrian Amaglio 679a0ff8ce big update
2023-01-24 23:56:39 +01:00

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#!/bin/sh
# choose a wifi signal in range and try to connect to it
verb=0
action=start
while true ; do
case "$1" in
"-v")
verb=1
;;
"stop")
action=stop
;;
"start") ;;
"") break ;;
*)
echo "Invalid parameter '$1'"
break;;
esac
shift
done
# Remaining args are garbage
if [ "$#" -ne 0 ] ; then
echo "Usage: $0 [-v] [start|stop]"
echo "-v verbose output"
echo "start or stop the wifi"
exit -1
fi
title="Wifi Selector"
id=""
notify () {
if [ -z "$id" ] ; then
id="$(dunstify -p "$title" "$@")"
else
dunstify -r "$id" "$title" "$@"
fi
}
# Stop the wifi if asked
if [ "$action" == "stop" ] ; then
nmcli radio wifi off
notify "Wifi stopped"
exit "$?"
fi
# Else, start it if needed
if ( nmcli radio wifi | grep disabled > /dev/null ) ; then
notify "Turning on"
nmcli radio wifi on
sleep 2
fi
notify "Scanning networks in range..."
nmcli device wifi rescan
ssid="$(nmcli -f IN-USE,SSID,BARS d wifi list | dmenu -l 8)"
ssid="$(echo "${ssid:2:-5}" | sed 's/^ *//g' | sed 's/ *$//g')"
# We get a clean version of SSIDs. It is a fix to connect to wifis that begin or end with spaces
ssid="$(nmcli -f SSID -m multiline -t -c no d wifi list | grep -F -- "$ssid")"
ssid="${ssid:5}"
[ $verb -gt 0 ] && echo "ssid: $ssid"
[ -z "$ssid" ] && notify "No SSID selected" && exit 1
notify "Connecting to $ssid"
#out="$(nmcli d wifi connect "$ssid" 2>&1 | grep -i error)"
out="$(nmcli con up "$ssid" 2>&1 | grep -i error)"
res="$?"
# 10 If the connexion does not exist already #
# 4 If the SSID got multiple bad connexion names #
if [ "$res" -ne 0 ] ; then
out2="$out"
out="$(nmcli device wifi connect "$ssid" 2>&1 | grep -i error)"
res="$?"
fi
if [ -n "$(echo $out | grep -i 'secrets were required')" ] ; then
out2="$out2$out"
notify "Need password"
pass="$(zenity --password)"
out="$(nmcli device wifi connect "$ssid" --password "$pass" 2>&1 | grep -i error)"
res="$?"
fi
[ -z "$out" ] && notify "Connected :)" || notify "Error connecting :(\n$out\n$out2"