#!/bin/bash
#
#########
# Copyright (c) <year> <copyright holders>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
########

conf_path="/etc/NetworkManager/system-connections"
conf_name="NUwave"

if [ -z "$1" ]; then
	conf_name="$1"
fi

if [ $(whoami) != "root" ]; then
	echo 'error: must be root'
	exit 1
fi

ifaces=$(ifconfig | grep -vE '^ ' | grep -E '[a-z0-9]' | awk '{ print $1 }' | sed ':a;N;$!ba;s/\n/ /g')

read -p 'MyNEU username: ' wifi_user
read -p 'MyNEU password: ' wifi_pass
read -p "interface [$ifaces]: " wifi_if

uuid=$(cat /proc/sys/kernel/random/uuid)
mac=$(ifconfig | grep $wifi_if | awk '{ print $5 }')

if [ -z "$mac" ]; then
	echo 'error: no MAC found for interface' $wifi_if
	exit 1
fi

conf="[connection]
id=NUwave
uuid=$uuid
type=wifi
permissions=
secondaries=

[wifi]
hidden=true
mac-address=$mac
mac-address-blacklist=
mac-address-randomization=0
mode=infrastructure
seen-bssids=
ssid=NUwave

[wifi-security]
auth-alg=open
group=
key-mgmt=wpa-eap
pairwise=
proto=

[802-1x]
altsubject-matches=
eap=peap;
identity=$wifi_user
password=$wifi_pass
phase2-altsubject-matches=
phase2-auth=mschapv2

[ipv4]
dns-search=
method=auto

[ipv6]
addr-gen-mode=stable-privacy
dns-search=
method=auto"

nuwave_file="$conf_path"/"$conf_name"
echo "$conf" > $nuwave_file
chown root:root $nuwave_file
chmod 600 $nuwave_file