neodotfiles/dmenu/scripts/dmenu_wifi

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2024-03-28 21:40:01 +00:00
#!/usr/bin/env bash
# ***This script was made by Clay Gomera (Drake)***
# - Description: A simple wifi dmenu script
# - Dependencies: dmenu, NetworkManager
## Main manu options
option1=" Turn on WiFi"
option2=" Turn off WiFi"
option3="󱛅 Disconnect WiFi"
option4="󱛃 Connect WiFi"
option5="󱛆 Setup captive portal"
option6="󱎘 Exit"
options="$option1\n$option2\n$option3\n$option4\n$option5\n$option6"
#####
## These variables will store specific information about the wirelessinterface
#####
wifi_info=$(nmcli dev | awk '/wifi/ {print $1,$3; exit}')
read -r wlan constate <<< "$wifi_info"
#####
## This function uses nmcli to turn off wifi and then sends a notification
#####
turnoff() {
nmcli radio wifi off && notify-send "WiFi has been turned off"
}
#####
## This function uses nmcli to turn on wifi and then sends a notification
#####
turnon() {
nmcli radio wifi on && notify-send "WiFi has been turned on"
}
#####
## This function uses nmcli and the $wlan and $constate variables to disconnect
## from the wifi network and then sends a notification
#####
disconnect() {
if [ "$constate" = "disconnected" ]; then
notify-send "WiFi is already disconnected"
elif [ "$constate" = "connected" ]; then
nmcli device disconnect "$wlan" && notify-send "Wifi has been disconnected"
else
exit 1
fi
}
#####
## This function uses nmcli to first scan for available networks and then the
## $bssid variable will store the SSID of the network that the user chooses
#####
connect() {
notify-send -t 5000 "Scanning networks..."
nmcli dev wifi rescan
sleep 1
wifinet=$(nmcli -f BSSID,SSID,BARS,SECURITY dev wifi list | sed -n '1!p' | dmenu -i -l 10 -p " Select a Wifi Network")
bssid=$(echo "$wifinet" | cut -d' ' -f1)
ssid=$(echo "$wifinet" | cut -d' ' -f3)
}
#####
## This function will store the WiFi password in the $pass variable
#####
password() {
if nmcli connection show | grep -q "$ssid"; then # check if the network is already saved
return 0 # no password is required
elif nmcli -f BSSID,SECURITY dev wifi list | sed -n '1!p' | grep "$bssid" | awk '{print $2}' | grep -q -- "--"; then # check if the network is open
return 0 # no password is required
else
pass=$(dmenu -i -l 1 -P -p "Enter Password " --password)
if [ -n "$pass" ]; then # if the user gave a password
return 0
else
exit 1 # if not, exit the script
fi
fi
}
#####
## This function will actually connect to the chosen WiFi network using the
## $bssid and $pass variables
#####
action() {
if [ -n "$pass" ]; then # we need to check again if the $pass variable exists
nmcli dev wifi connect "$bssid" password "$pass"
else # if not, that means that the password() function ended in one of the first two conditions, the network is saved or open
nmcli dev wifi connect "$bssid"
fi
}
##########
## main ##
##########
cases=$(echo -e "$options" | dmenu -l 6 -i -p " Wifi Settings" ) # main menu prompt
case "$cases" in
"$option1")
turnon
;;
"$option2")
turnoff
;;
"$option3")
disconnect
;;
"$option4")
if connect; then # if the user chooses a network
password # this function will exit the script if the user didn't put a password
action
else
exit 1 # if not, exit the script
fi
;;
"$option5")
"$BROWSER" http://networkcheck.kde.org
;;
"$option6")
exit 0
esac