Reboot/Restart Telekom Speedport

reboot-telekom-speedport.bash

#!/bin/bash

# Usage:
# ./reboot-telekom-speedport.bash "URL or IP of speedport" "password of speedport"
# Example:
# ./reboot-telekom-speedport.bash "http://192.168.2.1" "aBcDEf1337GHijk"

main() {
        local speedport
        local devpwd
        local challenge
        local hashpwd   
        speedport="$1"
        devpwd="$2"
        # Get the challenge value
        challenge=$(wget -q -O - "${speedport}/data/Login.json?_time=1511719881983&_rand=666&csrf_token=sercomm_csrf_token" | sed 's/.*challenge", "varvalue"\: "\([^"]*\).*/\1/')
        # Hashed password + challenge
        hashpwd=$(echo -n "${devpwd}${challenge}" | sha256sum | cut -d" " -f1)
        # Log in to the server
        wget -q \
        --save-cookies cookies.txt \
        --keep-session-cookies \
        --post-data "password=${hashpwd}&showpw=0&csrf_token=sercomm_csrf_token" \
        --delete-after \
        "${speedport}/data/Login.json?lang=en"
        # Extract CSRF Token
        csrftoken=$(wget --load-cookies cookies.txt -q -O - "${speedport}/html/content/overview/index.html?lang=en" | grep "var csrf_token " | cut -d "'" -f 2)
        # Reboot!
        wget -q \
        --load-cookies cookies.txt \
        --post-data "reboot_device=true&csrf_token=${csrftoken}" \
        --delete-after \
        "${speedport}/data/Reboot.json?_time=1511727315027&_rand=128&csrf_token=${csrftoken}&lang=en"
        # Cleaning up
        rm cookies.txt
}

main "$@"