WIFIonICE Automatic Login

wifionice-autoconnect.sh

#!/bin/bash
set -e
PORTAL="login.wifionice.de"

# Read route components for default route. Cloudlfare ip used to detect default route
IFS=' ' read -ra IPROUTE <<< $(ip route get 1.1.1.1)
DEV=${IPROUTE[4]}
GATEWAY=${IPROUTE[2]}

# Read line containing MAC for default interface
IFS=' ' read -ra MACIF <<< $(ip address show $DEV | grep link/ether)

MAC=${MACIF[1]}
# Get ip of iceportal, assume that wifi gateway can act as dns server

PORTALIP=$(dig +short $PORTAL @$GATEWAY)

echo -e "dev: $DEV\ndns: $GATEWAY\nmac: $MAC\nportalip: $PORTALIP"

COOKIEJAR="wifionice-cookies.txt"

# get the CSRF token required for login
curl -vs -o /dev/null -c $COOKIEJAR --resolve $PORTAL:80:$PORTALIP "http://$PORTAL/de/"
IFS=$'\t' read -ra ALLCOOKIES <<< $(cat $COOKIEJAR | grep csrf)

TOKEN=${ALLCOOKIES[6]}

echo "CSRF: $TOKEN"
# perform WIFIonICE login

curl -vvv --resolve $PORTAL:80:$PORTALIP -b $COOKIEJAR -H "Content-Type: application/x-www-form-urlencoded" -H "Connection: keep-alive" --data "login=true&CSRFToken=$TOKEN&connect=" "http://$PORTAL/de/?mac=$MAC"

rm $COOKIEJAR

WIFIonICE-Automatic-Login.md

WIFIonICE Automatic Login

This connector intends to automate the process of logging in into the public wifi inside of an IC /ICE of the German railways. The adapter enables does enable you to choose and keep a custom DNS server.

Usage on Linux

The script should be usable on most Linux systems, at least if the following requirements are met:

• bash
• ip
• dig

Usage on Android

The script can speed up the process of logging into the ice wifi greatly. To get the script working under Android follow these steps:

• Install the terminal emulator Termux
• Install the Termux Widget Extension
• Install dependencies: Open Termux and run command: pkgs install -y dnsutils wget
• Download the script in the ~/.shortcuts/ folder
  • How to download the script in the folder

    • Open Termux and enter the following commands:

      cd ~/.shortcuts

      wget https://gist.github.com/anjomro/acfa273fbf4fcd605f4c63bf86e9d234/raw/6455886ac3e993f4cd3ba9313865d73375905083/wifionice-autoconnect.sh

• Create Home Screen Widget, select script (You may need to give additional permissions for termux (Settings/Apps/Termux/Permissions/Display over other apps)
• To run script and login into ICE wifi just click the icon on the homescreen