Small bash script for automatic captive portal log in to the “@BayernWLAN” using curl.

bayern-wlan.sh

#!/usr/bin/env -S bash -e
# Only works with DNS name if using provider DNS
# ADDRESS="hotspot.vodafone.de/bayern"
# IP-Address might be different depending on location
ADDRESS="10.175.177.131"
LOGIN_PROFILE="6"
SESSION_KEY=$(curl -ks 'https://'${ADDRESS}'/api/v4/session' | jq '.session')
CURRENT_PROFILE=$(curl -ks 'https://'${ADDRESS}'/api/v4/session' | jq '.currentLoginProfile')
if [ ${CURRENT_PROFILE} != ${LOGIN_PROFILE} ]; then
    echo "Not logged in! Logging in..."
    curl -k 'https://'${ADDRESS}'/api/v4/login?loginProfile='${LOGIN_PROFILE}'&accessType=termsOnly&sessionID='${SESSION_KEY}
else
   echo "Already logged in, nothing to do..."
fi