Reboot VirginMedia Super Hub 2

check_internet.sh

#!/bin/bash

# Create a log file
logfile="/tmp/check_internet.log"

# Get the current time and date
now=$(date)

# Check if wlan0 is up
ifconfig wlan0 | grep -q "inet addr:"

# If wlan0 is up, exit
#if [ $? -eq 0 ]; then
#  echo "wlan0 is up" >> $logfile
#  exit 0
#fi

# Check if 8.8.8.8 is pingable
ping -I wlan0 -q -i 5 -c 15 8.8.8.8 > /dev/null

# If 8.8.8.8 is pingable, exit
if [ $? -eq 0 ]; then
  echo "($now) :: 8.8.8.8 is pingable" >> $logfile
  exit 0
fi

# If wlan0 is down or 8.8.8.8 is not pingable, run the script to reboot router
echo "($now) :: wlan0 is down or 8.8.8.8 is not pingable" >> $logfile
sudo /scripts/reboot_virgin2.sh

crontab

# Check if internet is working on wlan0
*/15 * * * * sudo /scripts/check_internet.sh

reboot_virgin2.sh

#!/bin/bash

#Tested on - Virgin Super Hub2
#  Software Version   "V1.01.35"
#  Hardware Version   3.11

# Step 1: Get VmLogin.html and extract session cookies
curl -D headers.txt -o login.html http://192.168.0.1/VmLogin.html
cookies=$(grep -oP 'Set-Cookie: \K[^;]+' headers.txt)

# Step 2: Extract the password field name - random each time? for some reason
password_field=$(grep -oP 'name="\K[^"]+(?=" id="password")' login.html)

# Step 3: Authenticate and include session cookies in the request
curl -D headers.txt -b <(echo "$cookies") -d "$password_field=changeme" -o /dev/null -L http://192.168.0.1/cgi-bin/VmLoginCgi

# Step 4: Get VmRgRebootRestoreDevice.html
curl -D headers.txt -b <(grep -oP 'Set-Cookie: \K[^;]+' headers.txt) -o reboot.html http://192.168.0.1/VmRgRebootRestoreDevice.html
value_field=$(grep -oP 'name="\K[^"]+(?=" value="0")' reboot.html)

# Step 5: Submit reboot request and include session cookies
curl -D headers.txt -b <(grep -oP 'Set-Cookie: \K[^;]+' headers.txt) -d "VMRebootResetChangeCache=1&$value_field=0" -o /dev/null -L http://192.168.0.1/cgi-bin/VmRgRebootResetDeviceCfgCgi

# Cleanup: Remove temporary files
rm headers.txt login.html reboot.html