Simple automatic download/checksum script for CyberPatriot.

cyberpatriot-dl.sh

#!/bin/bash

URL="http://example.com/file.img"
MASTER_CHECKSUM="d276d89cf506e3dc66ffb7550eec6223"

FILENAME=$(basename "$URL")

clear

wget $URL -O $FILENAME

LOCAL_CHECKSUM=`md5sum ${FILENAME} | awk '{ print $1 }'`

echo -e "\e[1mDownload process complete."

echo -e "\e[7mLocal checksum is $LOCAL_CHECKSUM"
echo -e "Correct checksum is $MASTER_CHECKSUM\e[0m"

if [ "$LOCAL_CHECKSUM" == "$MASTER_CHECKSUM" ]
then
  echo -e "\e[7m\e[92mCHECKSUMS MATCH! IMAGE IS READY FOR EXTRACTION."
else
  echo -e "\e[7m\e[91mCHECKSUMS DO NOT MATCH! PLEASE REDOWNLOAD!"
fi

echo -e "\e[0m"