BTWiFi_with_FON automatic login written as a bash script. I have this running every 10 minutes on my openwrt router

btwifi_login.sh

#!/bin/ash

# CONF

DBG=true
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RELOG_PASSW=xxxxxxxxxxxxxxx

#dns resolution not working atm, hardcode ip:
#TODO: maybe set dns for interface temporarilt
BTOPENZONE_IP=192.168.23.21
OK_MSG="now logged on to BT Wi-fi."

#TODO: check dynamically
IFACE=wlan0

CURL_OPTS=-ksL

# END CONF

#IS_LOGGED_IN=$(wget "https://www.btopenzone.com:8443/home" -O - 2>/dev/null | grep "$OK_MSG")
IS_LOGGED_IN=$(curl $CURL_OPTS --interface $IFACE "https://$BTOPENZONE_IP:8443/home" | grep "$OK_MSG")


if [ "$IS_LOGGED_IN" ]

then
  [[ $DBG ]] && echo "Currently logged in. Nothing to do... :)"
  [[ $DBG ]] && logger -t "logon_fon" "Currently logged in. Nothing to do... :)"

else
  [[ $DBG ]] && echo "You're not logged in... will log in now!"
  [[ $DBG ]] && logger -t "logon_fon" "You're not logged in... will log in now!"
  #OUT=$(wget -qO - --no-check-certificate --no-cache --post-data "username=$RELOG_UNAME&password=$RELOG_PASSW&provider=tbb" "https://www.btopenzone.com:8443/tbbLogon")
  # had to change to curl as wget on openwrt was complaining about too many redirects
  #OUT=$(curl -kvsL --data "username=$RELOG_UNAME&password=$RELOG_PASSW&provider=tbb" "https://www.btopenzone.com:8443/tbbLogon")
  OUT=$(curl $CURL_OPTS --interface $IFACE --data-ascii "username=$RELOG_UNAME&password=$RELOG_PASSW&provider=tbb" "https://$BTOPENZONE_IP:8443/tbbLogon")

  ONLINE=$(echo $OUT | grep "$OK_MSG" )
  if [ "$ONLINE" ]
  then
    [[ $DBG ]] && echo "You're online!"
    [[ $DBG ]] && logger -t "logon_fon" "You're online!"
  else
    [[ $DBG ]] && echo "Could not login :("
    [[ $DBG ]] && logger -t "logon_fon" "Could not login :("
  fi
fi