modified_tv.py

"""
Author: Ben Janis
Date: 2025
Desc: Generates update blobs for eCTF decoder.

This source file is part of an example system for MITRE's 2025 Embedded System CTF
(eCTF). This code is being provided only for educational purposes for the 2025 MITRE
eCTF competition, and may not meet MITRE standards for quality. Use this code at your
own risk!

Copyright: Copyright (c) 2025 The MITRE Corporation
"""

import argparse

from attack_utils import LimitedAttackTV


def main():
    parser = argparse.ArgumentParser(
        prog="ectf25.tv",
        description="Run the TV, pulling frames from the satellite, decoding using"
        " the Decoder, and printing to the terminal",
    )
    parser.add_argument("sat_host", help="TCP host of the satellite")
    parser.add_argument("sat_port", type=int, help="TCP port of the satellite")
    parser.add_argument(
        "dec_port",
        help="Serial port to the Decoder (see https://rules.ectf.mitre.org/2025/getting_started/boot_reference for platform-specific instructions)",
    )
    parser.add_argument(
        "--baud", type=int, default=115200, help="Baud rate of the serial port"
    )
    args = parser.parse_args()

    # run the TV
    tv = LimitedAttackTV(args.sat_host, args.sat_port, args.dec_port, args.baud)
    tv.run()


if __name__ == "__main__":
    main()