Пример #1
0
def main():
    # Parse command line arguments
    parser = _get_arg_parser()
    args = parser.parse_args()

    options = ValidationOptions(args)

    try:
        # Set the output level (e.g., quiet vs. verbose)
        output.set_level(options.verbose)

        # Validate input documents
        results = run_validation(options)

        # Print validation results
        print_results(results)

        # Determine exit status code and exit.
        code = codes.get_code(results)
        sys.exit(code)

    except (ValidationError, IOError) as ex:
        output.error("Validation error occurred: '%s'" % str(ex),
                     codes.EXIT_VALIDATION_ERROR)
    except Exception:
        logging.exception("Fatal error occurred")
        sys.exit(codes.EXIT_FAILURE)
Пример #2
0
def elevate_string(string):
    warn(
        "Results produced by the stix2-elevator are not for production purposes.",
        201)
    clear_id_mapping()
    clear_pattern_mapping()

    validator_options = get_validator_options()

    try:
        output.set_level(validator_options.verbose)

        io = StringIO(string)
        stix_package = EntityParser().parse_xml(io)

        if not isinstance(stix_package, STIXPackage):
            raise TypeError("Must be an instance of stix.core.STIXPackage")

        setup_logger(stix_package.id_)
        json_string = json.dumps(convert_package(
            stix_package, get_option_value("package_created_by_id"),
            get_option_value("default_timestamp")),
                                 indent=4,
                                 separators=(',', ': '),
                                 sort_keys=True)
        validation_results = validate_string(json_string, validator_options)
        output.print_results(validation_results)
        return json_string

    except ValidationError as ex:
        output.error("Validation error occurred: '%s'" % ex,
                     codes.EXIT_VALIDATION_ERROR)
    except OSError as ex:
        log.error(ex, extra={"ecode": 210})
Пример #3
0
def elevate_string(string):
    global MESSAGES_GENERATED
    clear_id_mapping()
    clear_1x_markings_map()
    clear_pattern_cache()
    clear_object_id_mapping()
    clear_observable_mappings()
    cybox.utils.caches.cache_clear()
    MESSAGES_GENERATED = False

    validator_options = get_validator_options()

    try:
        output.set_level(validator_options.verbose)
        output.set_silent(validator_options.silent)

        io = StringIO(string)
        container = stixmarx.parse(io)
        stix_package = container.package
        set_option_value("marking_container", container)

        if not isinstance(stix_package, STIXPackage):
            raise TypeError("Must be an instance of stix.core.STIXPackage")

        setup_logger(stix_package.id_)
        warn(
            "Results produced by the stix2-elevator are not for production purposes.",
            201)
        if get_option_value("default_timestamp"):
            timestamp = datetime.strptime(
                get_option_value("default_timestamp"),
                "%Y-%m-%dT%H:%M:%S.%fZ"),
        else:
            timestamp = None
        env = Environment(get_option_value("package_created_by_id"), timestamp)
        json_string = json.dumps(convert_package(stix_package, env),
                                 ensure_ascii=False,
                                 indent=4,
                                 separators=(',', ': '),
                                 sort_keys=True)

        validation_results = validate_stix2_string(json_string,
                                                   validator_options)
        output.print_results([validation_results])

        if get_option_value("policy") == "no_policy":
            return json_string
        else:

            if not MESSAGES_GENERATED and validation_results._is_valid:
                return json_string
            else:
                return None

    except ValidationError as ex:
        output.error("Validation error occurred: '%s'" % ex,
                     codes.EXIT_VALIDATION_ERROR)
    except OSError as ex:
        log.error(ex)
Пример #4
0
def elevate_file(fn):
    # TODO:  combine elevate_file, elevate_string and elevate_package
    warnings.warn(
        "This method is deprecated and will be removed in the next major release. Please use elevate() instead.",
        DeprecationWarning)
    global MESSAGES_GENERATED
    MESSAGES_GENERATED = False
    print(
        "Results produced by the stix2-elevator are not for production purposes."
    )
    clear_globals()

    validator_options = get_validator_options()

    try:
        output.set_level(validator_options.verbose)
        output.set_silent(validator_options.silent)

        if os.path.isfile(fn) is False:
            raise IOError("The file '{}' was not found.".format(fn))

        container = stixmarx.parse(fn)
        stix_package = container.package
        set_option_value("marking_container", container)

        if not isinstance(stix_package, STIXPackage):
            raise TypeError("Must be an instance of stix.core.STIXPackage")

        setup_logger(stix_package.id_)
        warn(
            "Results produced by the stix2-elevator may generate warning messages which should be investigated.",
            201)
        env = Environment(get_option_value("package_created_by_id"))
        json_string = json.dumps(convert_package(stix_package, env),
                                 ensure_ascii=False,
                                 indent=4,
                                 separators=(',', ': '),
                                 sort_keys=True)

        validation_results = validate_stix2_string(json_string,
                                                   validator_options, fn)
        output.print_results([validation_results])

        if get_option_value("policy") == "no_policy":
            return json_string
        else:
            if not MESSAGES_GENERATED and validation_results._is_valid:
                return json_string
            else:
                return None

    except ValidationError as ex:
        output.error("Validation error occurred: '{}'".format(ex))
        output.error("Error Code: {}".format(codes.EXIT_VALIDATION_ERROR))
    except (OSError, IOError, lxml.etree.Error) as ex:
        log.error("Error occurred: %s", ex)
Пример #5
0
def elevate_file(fn):
    # TODO:  combine elevate_file, elevate_string and elevate_package
    global MESSAGES_GENERATED
    print(
        "Results produced by the stix2-elevator are not for production purposes."
    )
    clear_id_mapping()
    clear_1x_markings_map()
    clear_pattern_cache()
    clear_object_id_mapping()
    clear_observable_mappings()
    MESSAGES_GENERATED = False

    validator_options = get_validator_options()

    try:
        output.set_level(validator_options.verbose)
        output.set_silent(validator_options.silent)

        container = stixmarx.parse(fn)
        stix_package = container.package
        set_option_value("marking_container", container)

        if not isinstance(stix_package, STIXPackage):
            raise TypeError("Must be an instance of stix.core.STIXPackage")

        setup_logger(stix_package.id_)
        warn(
            "Results produced by the stix2-elevator are not for production purposes.",
            201)
        json_string = json.dumps(convert_package(
            stix_package, get_option_value("package_created_by_id"),
            get_option_value("default_timestamp")),
                                 indent=4,
                                 separators=(',', ': '),
                                 sort_keys=True)

        if get_option_value("policy") == "no_policy":
            return json_string
        else:
            validation_results = validate_string(json_string,
                                                 validator_options)
            output.print_results(validation_results)
            if not MESSAGES_GENERATED and validation_results._is_valid:
                return json_string
            else:
                return None

    except ValidationError as ex:
        output.error("Validation error occurred: '%s'" % ex,
                     codes.EXIT_VALIDATION_ERROR)
    except OSError as ex:
        log.error(ex)
Пример #6
0
def elevate(stix_package):
    global MESSAGES_GENERATED
    MESSAGES_GENERATED = False
    print("Results produced by the stix2-elevator are not for production purposes.")
    clear_globals()
    fn = None

    validator_options = get_validator_options()

    output.set_level(validator_options.verbose)
    output.set_silent(validator_options.silent)

    try:
        if isinstance(stix_package, MarkingContainer):
            # No need to re-parse the MarkingContainer.
            container = stix_package
        elif isinstance(stix_package, STIXPackage):
            io = BytesIO(stix_package.to_xml())
            container = stixmarx.parse(io)
        elif isinstance(stix_package, text_type):
            if stix_package.endswith(".xml") or os.path.isfile(stix_package):
                # a path-like string was passed
                fn = stix_package
                if os.path.exists(fn) is False:
                    raise IOError("The file '{}' was not found.".format(fn))
            else:
                stix_package = StringIO(stix_package)
            container = stixmarx.parse(stix_package)
        elif isinstance(stix_package, binary_type):
            if stix_package.endswith(b".xml") or os.path.isfile(stix_package):
                # a path-like string was passed
                fn = stix_package
                if os.path.exists(fn) is False:
                    raise IOError("The file '{}' was not found.".format(fn))
            else:
                stix_package = BytesIO(stix_package)
            container = stixmarx.parse(stix_package)
        else:
            raise RuntimeError("Unable to resolve object {} of type {}".format(stix_package, type(stix_package)))

        container_package = container.package
        set_option_value("marking_container", container)

        if not isinstance(container_package, STIXPackage):
            raise TypeError("Must be an instance of stix.core.STIXPackage")
    except (OSError, IOError, lxml.etree.Error) as ex:
        log.error("Error occurred: %s", ex)
        # log.exception(ex)
        return None

    try:
        setup_logger(container_package.id_)
        warn("Results produced by the stix2-elevator may generate warning messages which should be investigated.", 201)
        env = Environment(get_option_value("package_created_by_id"))
        json_string = json.dumps(
            convert_package(container_package, env),
            ensure_ascii=False,
            indent=4,
            separators=(',', ': '),
            sort_keys=True
        )

        bundle_id = re.findall(
            r"bundle--[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}",
            json_string
        )
        validation_results = validate_stix2_string(json_string, validator_options, fn or bundle_id[0])
        output.print_results([validation_results])

        if get_option_value("policy") == "no_policy":
            return json_string
        else:
            if not MESSAGES_GENERATED and validation_results._is_valid:
                return json_string

    except ValidationError as ex:
        output.error("Validation error occurred: '{}'".format(ex))
        output.error("Error Code: {}".format(codes.EXIT_VALIDATION_ERROR))