import hashlib import os import random import ID2TLib.Utility as Util test_resource_dir = Util.TEST_DIR test_pcap = Util.TEST_DIR + "reference_1998.pcap" test_pcap_ips = ["10.0.2.15", "52.85.173.182"] test_pcap_empty = [] """ helper functions for ID2TAttackTest """ def get_sha256(file): """ Generates a sha256 checksum from file :param file: absolute path to file :return: sha256 checksum """ sha = hashlib.sha256() with open(file, 'rb') as f: while True: data = f.read(0x100000) if not data: break sha.update(data) f.close() return sha.hexdigest() def clean_up(controller): """ Removes the output files from a given controller :param controller: controller which created output files """ os.remove(controller.pcap_dest_path) os.remove(controller.label_manager.label_file_path) def rename_test_result_files(controller, caller_function: str, attack_sub_dir=False, test_sub_dir=False): """ :param controller: controller which created output files :param caller_function: the name of the function which called the generic test :param attack_sub_dir: create sub-directory for each attack-class if True :param test_sub_dir: create sub-directory for each test-function/case if True """ tmp_path_tuple = controller.pcap_dest_path.rpartition("_") result_pcap_path = tmp_path_tuple[0] + tmp_path_tuple[1] + caller_function + "_" + tmp_path_tuple[2] tmp_label_path_tuple = controller.label_manager.label_file_path.rpartition("_") tmp_path_tuple = tmp_label_path_tuple[0].rpartition("_") result_labels_path = tmp_path_tuple[0] + tmp_path_tuple[1] + caller_function + "_" + tmp_path_tuple[2] result_labels_path = result_labels_path + tmp_label_path_tuple[1] + tmp_label_path_tuple[2] if attack_sub_dir: caller_attack = caller_function.replace("test_", "").partition("_")[0] tmp_dir_tuple = result_pcap_path.rpartition("/") result_dir = tmp_dir_tuple[0] + tmp_dir_tuple[1] + caller_attack + "/" result_pcap_path = result_dir + tmp_dir_tuple[2] os.makedirs(result_dir, exist_ok=True) tmp_dir_tuple = result_labels_path.rpartition("/") result_labels_path = result_dir + tmp_dir_tuple[2] if test_sub_dir: tmp_dir_tuple = result_pcap_path.rpartition("/") result_dir = tmp_dir_tuple[0] + tmp_dir_tuple[1] + (caller_function.replace("test_", "")) + "/" result_pcap_path = result_dir + tmp_dir_tuple[2] os.makedirs(result_dir, exist_ok=True) tmp_dir_tuple = result_labels_path.rpartition("/") result_labels_path = result_dir + tmp_dir_tuple[2] os.rename(controller.pcap_dest_path, result_pcap_path) controller.pcap_dest_path = result_pcap_path os.rename(controller.label_manager.label_file_path, result_labels_path) controller.label_manager.label_file_path = result_labels_path """ function patches for unittests """ def get_bytes(count, ignore): """ unittest patch for get_rnd_bytes (ID2TLib.Utility.py) :param count: count of requested bytes :param ignore: :return: a count of As """ return b'A' * count def get_x86_nop(count, side_effect_free, char_filter): """ unittest patch for get_rnd_x86_nop (ID2TLib.Utility.py) :param count: count of requested nops :param side_effect_free: :param char_filter: :return: a count of \x90 """ return b'\x90' * count def get_attacker_config(ip_source_list, ipAddress: str): """ unittest patch for get_attacker_config (ID2TLib.Utility.py) :param ip_source_list: List of source IPs :param ipAddress: The IP address of the attacker :return: A tuple consisting of (port, ttlValue) """ next_port = random.randint(0, 2 ** 16 - 1) ttl = random.randint(1, 255) return next_port, ttl def write_attack_pcap(self, packets: list, append_flag: bool = False, destination_path: str = None): """ temporal efficiency test patch for write_attack_pcap (Attack.BaseAttack.py) :return: The path to a dummy pcap file. """ os.system("cp " + test_pcap + " " + test_resource_dir + "dummy.pcap") return test_resource_dir + 'dummy.pcap'