wifi-setup

#!/bin/bash
# wifi-setup for use with AllstarLink first-time script
# N8THN
# V1.0
#release date 20180323-1

if (whiptail --title "WIFI setup" --yesno "Would you like to set up connection to WIFI?" 20 80) then
ANSWER=$?
else
ANSWER=$?
fi

if [ $ANSWER = 1 ]; then    # answered no
        whiptail --msgbox "You may run wifi-setup at another time." 10 80 5
        exit 0
else

get_country() {
        CNTRY=$(whiptail --inputbox "Enter the two letter Country code.\nCommon two letter codes are.\nUS GB FR DE SE" 16 78 --title "Country Code" 3>&1 1>&2 2>&3)
        COUNTRY=$(echo "$CNTRY" | tr '[:lower:]' '[:upper:]')
}

get_ssid() {
        SSID=$(whiptail --inputbox "Enter the SSID of the network to connect to." 8 78 --title "SSID" 3>&1 1>&2 2>&3)
}

get_psk() {
        PSK=$(whiptail --inputbox "Enter the Pre Shared Key for $SSID" 8 78 --title "PSK" 3>&1 1>&2 2>&3)
}

write_wpa() {
cp -f /etc/wpa_supplicant/wpa_supplicant.conf /etc/wpa_supplicant/wpa_supplicant.conf.orig
cat << _EOF > /etc/wpa_supplicant/wpa_supplicant.conf
country=$COUNTRY
ctrl_interface=DIR=/var/run/wpa_supplicant GROUP=netdev
update_config=1
ap_scan=1
fast_reauth=1

network={
        ssid="$SSID"
        psk="$PSK"
        id_str="1"
        priority=100
}
network={
        ssid="Network_2"
        psk="yourpresharedkey"
        id_str="2"
        priority=99
}
network={
        ssid="Network_3"
        psk="yourpresharedkey"
        id_str="3"
        priority=98
}

_EOF

}

do_info() {
        whiptail --msgbox "To add additional WIFI networks, edit the /etc/wpa_supplicant/wpa_supplicant.conf file" 20 80
}

do_verify_settings() {
if (whiptail --title "Verify settings" --yesno "Make sure you don't have a tyyppo.\nSSID=$SSID \nPSK=$PSK \n\nSelect <Yes> to save these settings, <No> to start over." 20 80) then
ANSWER=$?
else
ANSWER=$?
fi
}

get_country
get_ssid
get_psk
do_verify_settings
while [ $ANSWER = 1 ]; do
        get_ssid
        get_psk
        do_verify_settings
done
write_wpa
do_info

fi
exit 0