- The interface is passed, not the connection.

# SOFTWARE.

# Logs in to the Israeli train's wifi.

# Requires: cURL, sh, awk, logger.

# Requires: cURL, sh, awk, logger, nmcli.

# To install run:

# sudo cp --preserve=mode train-wifi.sh /etc/NetworkManager/dispatcher.d/90trainwifi

    exit 1

}

iswifi () {

    # TODO: Check if a network interface is passed.

    [ "$(nmcli --terse --fields GENERAL.TYPE device show $1 | awk -F: '{print $2}')" = 'wifi' ]

}

wifi_connection () {

    nmcli --terse --fields GENERAL.CONNECTION device show $1 | awk -F: '{print $2}'

}

if [ $# -ne 2 ]

then

    echo "Usage: $0 interface action"

which curl > /dev/null || die "Can't login to the train wifi, cURL is not installed."

which awk > /dev/null || die "Can't login to the train wifi, awk is not installed."

which logger > /dev/null || dir "Can't login to the train wifi, logger is not installed."

which logger > /dev/null || die "Can't login to the train wifi, logger is not installed."

which nmcli > /dev/null || die "Can't login to the train wifi, nmcli is not installed."

[ "$action" = 'up' ] || die "Can't login to the train wifi, action $action isn't up."

iswifi "$interface" || die "Can't login to the train wifi, interface $interface isn't wifi."

connection="$(wifi_connection $interface)"

[ "$connection" = "ISRAEL-RAILWAYS" ] || die "Can't login to the train wifi, wifi network $connection isn't ISRAEL-RAILWAYS."

if [ "$interface" = "ISRAEL-RAILWAYS" ] && [ "$action" = "up" ]

then

redirect_url="$(curl --output /dev/null --silent --write-out '%{redirect_url}' http://google.com/)"

logger -p user.debug "Train wifi redirect url: $redirect_url"

    login_ip="$(echo "$redirect_url" | grep --only-matching '[0-9]*\.[0-9]*\.[0-9]*\.[0-9]*')"

login_ip="$(echo "$redirect_url" | grep --only-matching '[0-9]*\.[0-9]*\.[0-9]*\.[0-9]*')" || die "Can't login to the train wifi, redirect URL doesn't contain an IP."

logger -p user.debug "Train wifi login IP: $ip"

login_url="http://$ip/loginHandler.php?allowAccess=true"

logger -p user.debug "Train wifi login URL: $login_url"

http_code="$(curl --output /dev/null --silent --write-out '%{http_code}' "$login_url")"

logger -p user.debug "Train wifi login HTTP code: $http_code"

else

    logger -p user.debug "Interface isn't ISRAEL-RAILWAYS or action isn't up, not signing in to the train wifi."

fi