rofi-wifi-menu-psoix

rofi-wifi-menu.sh

#!/bin/sh
set -eu

# This is directly inspired by the rofi-wifi-menu script,
# but fixes many of the bugs in it, and makes it POSIX compliant
# so that it can run on distributions that set dash or busybox as
# the default shell.


# Starts a scan of available broadcasting SSIDs
# nmcli dev wifi rescan

DIR=$(dirname "$(readlink -f "$0")")

FIELDS=SSID,SECURITY
POSITION=0
YOFF=0
XOFF=0
FONT="DejaVu Sans Mono 8"

if [ -r "$DIR/config" ]; then
	. "$DIR/config"
elif [ -r "$HOME/.config/rofi/wifi" ]; then
	. "$HOME/.config/rofi/wifi"
else
	echo "WARNING: config file not found! Using default values."
fi

LIST=$(nmcli --fields "$FIELDS" device wifi list | sed '/^--/d')
# For some reason rofi always approximates character width 2 short... hmmm
RWIDTH=$(($(echo "$LIST" | head -n 1 | wc --chars) + 2))
# Dynamically change the height of the rofi menu
LINENUM=$(echo "$LIST" | wc -l)
# Gives a list of known connections so we can parse it later
KNOWNCON=$(nmcli connection show)
# Really janky way of telling if there is currently a connection
CONSTATE=$(nmcli -fields WIFI g | sed -n '2p' | xargs)

CURRSSID=$(LANGUAGE=C nmcli -t -f active,ssid dev wifi | grep '^yes' | cut -d ':' -f 2)

if [ -n "$CURRSSID" ]; then
	HIGHLINE=$((1 + $(echo "$LIST" | grep -Fn -m 1 "$CURRSSID" | cut -d ':' -f 1)))
else
	HIGHLINE=""
fi

if [ "$LINENUM" -gt 9 ]; then
	LINENUM=9
fi

case $CONSTATE in
enabled)
	TOGGLE="toggle off"
	;;
disabled)
	TOGGLE="toggle on"
	LINENUM=1
	;;
esac

CHENTRY=$(printf "%s\n%s\n%s" "$TOGGLE" "manual" "$LIST" | uniq -u | rofi -dmenu -p "Wi-Fi SSID: " -lines "$LINENUM" -a "$HIGHLINE" -location "$POSITION" -yoffset "$YOFF" -xoffset "$XOFF" -font "$FONT" -width -"$RWIDTH")
#echo "$CHENTRY"
CHSSID=$(echo "$CHENTRY" | tr -s ' ' | cut -d ' ' -f 1)
#echo "$CHSSID"

# If the user inputs "manual" as their SSID in the start window, it will bring them to this screen
case $CHENTRY in
"toggle on") nmcli radio wifi on ;;
"toggle off") nmcli radio wifi off ;;
manual)
	# Manual entry of the SSID and password (if appplicable)
	MSSID=$(echo "enter the SSID of the network (SSID,password)" | rofi -dmenu -p "Manual Entry: " -font "$FONT" -lines 1)
	# Separating the password from the entered string
	MPASS=$(echo "$MSSID" | cut -d ',' -f 2)

	# If the user entered a manual password, then use the password nmcli command
	if [ "$MPASS" = "" ]; then
		nmcli dev wifi con "$MSSID"
	else
		nmcli dev wifi con "$MSSID" password "$MPASS"
	fi
	;;
*)
	# If the connection is already in use, then this will still be able to get the SSID
	if [ "$CHSSID" = "*" ]; then
		CHSSID=$(echo "$CHENTRY" | tr -s ' ' | cut -d ' ' -f 3)
	fi

	# Parses the list of preconfigured connections to see if it already contains the chosen SSID. This speeds up the connection process
	case "$(echo "$KNOWNCON" | grep "$CHSSID")" in
	*"$CHSSID"*) nmcli con up "$CHSSID" ;;
	*)
		case "$CHENTRY" in
		*WPA2* | *WEP*) WIFIPASS=$(echo "" | rofi -dmenu -p "password: " -lines 1 -font "$FONT") ;;
		esac
		if [ -n "$CHSSID" ] && [ -n "$WIFIPASS" ]; then
			nmcli dev wifi con "$CHSSID" password "$WIFIPASS"
		fi
		;;
	esac
	;;
esac