This script restarts the ConnectBox from Magenta, an ISP in Austria.

connect_box_restart.sh

#!/usr/bin/env bash
#
# This script restarts the ConnectBox from Magenta, an ISP in Austria.
#
# Run this script with LOGIN_USER and LOGIN_PASS env variables set to the
# username and password of the router and it will restart it.
#
# LOGIN_USER is 'NULL' by default, that is also the default router setting.
#
# Example usage:
# LOGIN_PASS='correcthorsebatterystaple' ./connect_box_restart.sh

ROUTER_IP='192.168.0.1'
DEBUG=false # set to true to enable debug output
if [ -z "$LOGIN_USER" ]
then
	# Default username is 'NULL'
	LOGIN_USER='NULL'
fi

function checkStatus ()
{
	if [[ "${1}" != '200 Ok' ]]
	then
		echo "Invalid response status: ${1}"
		echo "${2}"
		exit 1
	fi
} # checkStatus

function parseCurlOut ()
{
	HTTP_STATUS="$(echo "${1}" | grep "^< HTTP/1.1 " | cut -c 12- | rev | cut -c 2- | rev)"
	SESSION_TOKEN="$(echo "${1}" | grep "< Set-Cookie: " | grep -o "sessionToken=[0-9]*" | grep -o "[0-9]*")"

	if [ "$DEBUG" = true ]
	then
		echo "HTTP_STATUS:   ${HTTP_STATUS}"
		echo "SESSION_TOKEN: ${SESSION_TOKEN}"
		echo
	fi
} # parseCurlOut

function requestXmlSetter ()
{
	CURL_OUT="$(curl "http://${ROUTER_IP}/xml/setter.xml" \
	 -H 'Accept: text/plain, */*; q=0.01' \
	 -H 'Content-Type: application/x-www-form-urlencoded; charset=UTF-8' \
	 -H "Cookie: sessionToken=${SESSION_TOKEN}" \
	 --data "token=${SESSION_TOKEN}&${1}" \
	 --compressed \
	 --insecure \
	 -s -v 2>&1)"

	parseCurlOut "$CURL_OUT"
	checkStatus "$HTTP_STATUS"
} # requestXmlSetter

function requestLoginPage ()
{
	echo "Requesting login page ..."
	CURL_OUT="$(curl "http://${ROUTER_IP}/common_page/login.html" -s -v 2>&1)"

	parseCurlOut "$CURL_OUT"
	checkStatus "$HTTP_STATUS" "$CURL_OUT"
} # requestLoginPage

function login ()
{
	echo "Making login request ..."
	if [ "$DEBUG" = true ]
	then
		echo "LOGIN_USER: ${LOGIN_USER}"
		echo "LOGIN_PASS: ${LOGIN_PASS}"
	fi

	requestXmlSetter "fun=15&Username=${1}&Password=${2}"
} # login

function restartRouter ()
{
	echo "Making restart request ..."
	requestXmlSetter "fun=8"
} # restartRouter

requestLoginPage
login "$LOGIN_USER" "$LOGIN_PASS"
restartRouter
echo "ConnectBox successfully restarted"