144 lines
3.6 KiB
Bash
Executable file
144 lines
3.6 KiB
Bash
Executable file
#!/usr/bin/env bash
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# ***This script was made by Clay Gomera (Drake)***
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# - Description: A simple wifi dmenu script
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# - Dependencies: dmenu, NetworkManager
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## Main menu options
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option1=" Turn on WiFi"
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option2=" Turn off WiFi"
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option3=" Disconnect WiFi"
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option4=" Connect WiFi"
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option5=" Setup captive portal"
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option6=" Exit"
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options="$option1\n$option2\n$option3\n$option4\n$option5\n$option6"
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#####
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## These variables will store specific information about the wireless interface
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#####
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wifi_info=$(nmcli dev | awk '/wifi/ {print $1,$3; exit}')
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read -r wlan constate <<< "$wifi_info"
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#####
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## This function uses nmcli to turn off wifi and then sends a notification
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#####
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turnoff() {
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nmcli radio wifi off
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if [ $? -eq 0 ]; then
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notify-send "WiFi has been turned off"
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else
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notify-send "Failed to turn off WiFi"
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fi
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}
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#####
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## This function uses nmcli to turn on wifi and then sends a notification
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#####
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turnon() {
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nmcli radio wifi on
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if [ $? -eq 0 ]; then
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notify-send "WiFi has been turned on"
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else
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notify-send "Failed to turn on WiFi"
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fi
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}
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#####
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## This function uses nmcli and the $wlan and $constate variables to disconnect
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## from the wifi network and then sends a notification
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#####
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disconnect() {
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if [ "$constate" = "disconnected" ]; then
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notify-send "WiFi is already disconnected"
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elif [ "$constate" = "connected" ]; then
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nmcli device disconnect "$wlan"
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if [ $? -eq 0 ]; then
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notify-send "WiFi has been disconnected"
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else
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notify-send "Failed to disconnect WiFi"
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fi
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else
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notify-send "Unknown WiFi state"
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fi
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}
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#####
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## This function uses nmcli to first scan for available networks and then the
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## $bssid variable will store the SSID of the network that the user chooses
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#####
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connect() {
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notify-send -t 5000 "Scanning networks..."
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nmcli dev wifi rescan
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wifinet=$(nmcli -f BSSID,SSID,BARS,SECURITY dev wifi list | sed -n '1!p' | dmenu -i -l 10 -p " Select a Wifi Network")
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if [ -z "$wifinet" ]; then
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exit 0
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fi
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bssid=$(echo "$wifinet" | awk '{print $1}')
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ssid=$(echo "$wifinet" | awk '{print $2}')
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}
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#####
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## This function will store the WiFi password in the $pass variable
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#####
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password() {
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if nmcli connection show | awk -v ssid="$ssid" '$1 == ssid {found=1} END {exit !found}'; then
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pass=""
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elif nmcli -f BSSID,SECURITY dev wifi list | grep -w "$bssid" | awk '{print $2}' | grep -q -- "--"; then
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pass=""
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else
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pass=$(dmenu -l 1 -P -p "Enter Password ")
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if [ -z "$pass" ]; then
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exit 0
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fi
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fi
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}
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#####
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## This function will actually connect to the chosen WiFi network using the
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## $bssid and $pass variables
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#####
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action() {
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if [ -n "$pass" ]; then
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nmcli dev wifi connect "$bssid" password "$pass"
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else
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nmcli dev wifi connect "$bssid"
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fi
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if [ $? -eq 0 ]; then
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notify-send "Connected to $ssid"
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else
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notify-send "Failed to connect to $ssid"
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fi
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}
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##########
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## main ##
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##########
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cases=$(echo -e "$options" | dmenu -l 6 -i -p " Wifi Settings")
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if [ -z "$cases" ]; then
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exit 0
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fi
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case "$cases" in
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"$option1")
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turnon
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;;
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"$option2")
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turnoff
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;;
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"$option3")
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disconnect
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;;
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"$option4")
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if connect; then
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if password; then
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action
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fi
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fi
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;;
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"$option5")
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${BROWSER:-xdg-open} http://networkcheck.kde.org
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;;
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"$option6")
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exit 0
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;;
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esac
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