The script I use to automatically login to my Act Fibernet

act-login

#!/bin/sh

LOGIN_USERNAME="<your mail id>%40<your mail provider>.com"
LOGIN_PASSWORD="<your password>"

LOGIN_SERVER_ADDRESS="http://portal.actcorp.in"
LOGIN_PAGE="/tmp/loginPage"

CONNECTIVITY_CHECK_PING_TIMEOUT=3
CONNECTIVITY_CHECK_PING_HOST=www.google.com

#NOTIFICATION LEDs for our shiny login script
#On openwrt, we need kmod-ledtrig-timer for the fancy blinking: https://wiki.openwrt.org/doc/uci/system#timer
LED_GREEN_1=/sys/class/leds/gl-ar150\:wan/
LED_GREEN_2=/sys/class/leds/gl-ar150\:lan/
LED_RED=/sys/class/leds/gl-ar150\:wlan/

notification_disconnected() {
  echo $@

  echo none > $LED_GREEN_1/trigger
  echo 0 > $LED_GREEN_1/brightness

  echo none > $LED_GREEN_2/trigger
  echo 0 > $LED_GREEN_2/brightness

  echo timer > $LED_RED/trigger
  echo 200 > $LED_RED/delay_on
}

notification_connecting() {
  echo $@

  echo none > $LED_GREEN_1/trigger
  echo 0 > $LED_GREEN_1/brightness

  echo timer > $LED_GREEN_2/trigger
  echo 200 > $LED_GREEN_2/delay_on

  echo none > $LED_RED/trigger
  echo 0 > $LED_RED/brightness
}

notification_connected() {
  echo $@

  echo none > $LED_GREEN_1/trigger
  echo 1 > $LED_GREEN_1/brightness

  echo none > $LED_GREEN_2/trigger
  echo 0 > $LED_GREEN_2/brightness

  echo none > $LED_RED/trigger
  echo 0 > $LED_RED/brightness
}

die() {
  notification_disconnected $@
  exit 1
}

check_connectivity() {
  ping -q -c 1 -W $CONNECTIVITY_CHECK_PING_TIMEOUT $CONNECTIVITY_CHECK_PING_HOST &> /dev/null
}

notification_connecting "Checking your internet connectivity..."
check_connectivity && notification_connected "You are already logged in to the internet" && exit 0

notification_connecting "Internet connectivity not found. Fetching login page..."
wget --quiet -O $LOGIN_PAGE $LOGIN_SERVER_ADDRESS || die "Error: Unable to fetch login page"

LOGIN_URL=`cat $LOGIN_PAGE | grep "form action=" | grep "act\/login" | grep -oE \"[^\"]*\" | grep http | grep -oE "[^\"]*"`
LOGIN_USERIP=`cat $LOGIN_PAGE | grep "userIP" | grep -o \"[^\"]*\" | grep -oE "([0-9]{1,3}\.){3}[0-9]{1,3}"`

[[ -z $LOGIN_URL ]] && die "Error: Unable to fetch login details"

notification_connecting "Logging $LOGIN_USERIP into $LOGIN_URL"
curl --silent -X POST --data "userIP=$LOGIN_USERIP&_login_WAR_BeamPromotionalNDownloadsportlet_uname=$LOGIN_USERNAME&pword=$LOGIN_PASSWORD" $LOGIN_URL > /tmp/loginResponse.html || die "Error: Unable to submit login request"

sleep 5
check_connectivity && notification_connected "You have successfully logged in" || die "Error logging you in!"