# Author: Hubert Kario, (c) 2015 # Released under Gnu GPL v2.0, see LICENSE file for details from __future__ import print_function import traceback import sys import getopt import re from itertools import chain from random import sample try: from collections import OrderedDict except ImportError: from tlsfuzzer.utils.ordered_dict import OrderedDict from tlsfuzzer.runner import Runner from tlsfuzzer.messages import Connect, ClientHelloGenerator, \ ClientKeyExchangeGenerator, ChangeCipherSpecGenerator, \ FinishedGenerator, ApplicationDataGenerator, AlertGenerator from tlsfuzzer.expect import ExpectServerHello, ExpectCertificate, \ ExpectServerHelloDone, ExpectChangeCipherSpec, ExpectFinished, \ ExpectAlert, ExpectApplicationData, ExpectClose, ExpectServerKeyExchange from tlsfuzzer.helpers import AutoEmptyExtension from tlslite.constants import CipherSuite, AlertLevel, AlertDescription, \ ExtensionType, SignatureScheme, GroupName from tlslite.extensions import SupportedGroupsExtension, SignatureAlgorithmsExtension, \ SignatureAlgorithmsCertExtension from tlsfuzzer.utils.lists import natural_sort_keys version = 4 def help_msg(): print("Usage: [-h hostname] [-p port] [[probe-name] ...]") print(" -h hostname name of the host to run the test against") print(" localhost by default") print(" -p port port number to use for connection, 4433 by default") print(" probe-name if present, will run only the probes with given") print(" names and not all of them, e.g \"sanity\"") print(" -d Use (EC)DHE instead of RSA for key exchange") print(" -e probe-name exclude the probe from the list of the ones run") print(" may be specified multiple times") print(" -n num run 'num' or all(if 0) tests instead of default(all)") print(" (excluding \"sanity\" tests)") print(" -x probe-name expect the probe to fail. When such probe passes despite being marked like this") print(" it will be reported in the test summary and the whole script will fail.") print(" May be specified multiple times.") print(" -X message expect the `message` substring in exception raised during") print(" execution of preceding expected failure probe") print(" usage: [-x probe-name] [-X exception], order is compulsory!") print(" --help this message") def main(): host = "localhost" port = 4433 num_limit = None run_exclude = set() expected_failures = {} last_exp_tmp = None dhe = False # max number of extensions max_ext = 16382 argv = sys.argv[1:] opts, args = getopt.getopt(argv, "h:p:n:e:x:X:d", ["help"]) for opt, arg in opts: if opt == '-h': host = arg elif opt == '-p': port = int(arg) elif opt == '-d': dhe = True max_ext = 16374 elif opt == '-e': run_exclude.add(arg) elif opt == '-n': num_limit = int(arg) elif opt == '-x': expected_failures[arg] = None last_exp_tmp = str(arg) elif opt == '-X': if not last_exp_tmp: raise ValueError("-x has to be specified before -X") expected_failures[last_exp_tmp] = str(arg) elif opt == '--help': help_msg() sys.exit(0) else: raise ValueError("Unknown option: {0}".format(opt)) if args: run_only = set(args) else: run_only = None conversations = {} sig_algs = [SignatureScheme.rsa_pkcs1_sha256, SignatureScheme.rsa_pss_rsae_sha256, SignatureScheme.rsa_pss_pss_sha256] conversation = Connect(host, port) node = conversation if dhe: ext = {} groups = [GroupName.secp256r1, GroupName.ffdhe2048] ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\ .create(groups) ext[ExtensionType.signature_algorithms] = \ SignatureAlgorithmsExtension().create(sig_algs) ext[ExtensionType.signature_algorithms_cert] = \ SignatureAlgorithmsCertExtension().create(sig_algs) ciphers = [CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA, CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA, CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV] else: ext = None ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA, CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV] node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext)) node = node.add_child(ExpectServerHello()) node = node.add_child(ExpectCertificate()) if dhe: node = node.add_child(ExpectServerKeyExchange()) node = node.add_child(ExpectServerHelloDone()) node = node.add_child(ClientKeyExchangeGenerator()) node = node.add_child(ChangeCipherSpecGenerator()) node = node.add_child(FinishedGenerator()) node = node.add_child(ExpectChangeCipherSpec()) node = node.add_child(ExpectFinished()) node = node.add_child(ApplicationDataGenerator( bytearray(b"GET / HTTP/1.0\n\n"))) node = node.add_child(ExpectApplicationData()) node = node.add_child(AlertGenerator(AlertLevel.warning, AlertDescription.close_notify)) node = node.add_child(ExpectAlert()) node.next_sibling = ExpectClose() conversations["sanity"] = conversation conversation = Connect(host, port) node = conversation if dhe: ext = {} groups = [GroupName.secp256r1, GroupName.ffdhe2048] ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\ .create(groups) ext[ExtensionType.signature_algorithms] = \ SignatureAlgorithmsExtension().create(sig_algs) ext[ExtensionType.signature_algorithms_cert] = \ SignatureAlgorithmsCertExtension().create(sig_algs) ext[ExtensionType.renegotiation_info] = None ciphers = [CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA, CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA] else: ext = {ExtensionType.renegotiation_info: None} ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA] node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext)) ext = {ExtensionType.renegotiation_info: None} node = node.add_child(ExpectServerHello(extensions=ext)) node = node.add_child(ExpectCertificate()) if dhe: node = node.add_child(ExpectServerKeyExchange()) node = node.add_child(ExpectServerHelloDone()) node = node.add_child(ClientKeyExchangeGenerator()) node = node.add_child(ChangeCipherSpecGenerator()) node = node.add_child(FinishedGenerator()) node = node.add_child(ExpectChangeCipherSpec()) node = node.add_child(ExpectFinished()) node = node.add_child(ApplicationDataGenerator( bytearray(b"GET / HTTP/1.0\n\n"))) node = node.add_child(ExpectApplicationData()) node = node.add_child(AlertGenerator(AlertLevel.warning, AlertDescription.close_notify)) node = node.add_child(ExpectAlert()) node.next_sibling = ExpectClose() conversations["sanity - secure renego as ext"] = conversation for i in [1, 5, 30, 31, 32, 62, 63, 64, 1022, 1023, 1024, 4094, 4095, 4096, 8190, 8191, 8192, max_ext]: conversation = Connect(host, port) node = conversation ext = OrderedDict((j+64, AutoEmptyExtension()) for j in range(i)) if ExtensionType.supports_npn in ext: del ext[ExtensionType.supports_npn] ext[i+64+1] = AutoEmptyExtension() if dhe: groups = [GroupName.secp256r1, GroupName.ffdhe2048] ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\ .create(groups) ext[ExtensionType.signature_algorithms] = \ SignatureAlgorithmsExtension().create(sig_algs) ext[ExtensionType.signature_algorithms_cert] = \ SignatureAlgorithmsCertExtension().create(sig_algs) ciphers = [CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA, CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA] else: ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA] ext[ExtensionType.renegotiation_info] = None node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext)) ext = {ExtensionType.renegotiation_info: None} node = node.add_child(ExpectServerHello(extensions=ext)) node = node.add_child(ExpectCertificate()) if dhe: node = node.add_child(ExpectServerKeyExchange()) node = node.add_child(ExpectServerHelloDone()) node = node.add_child(ClientKeyExchangeGenerator()) node = node.add_child(ChangeCipherSpecGenerator()) node = node.add_child(FinishedGenerator()) node = node.add_child(ExpectChangeCipherSpec()) node = node.add_child(ExpectFinished()) node = node.add_child(ApplicationDataGenerator( bytearray(b"GET / HTTP/1.0\n\n"))) node = node.add_child(ExpectApplicationData()) node = node.add_child(AlertGenerator(AlertLevel.warning, AlertDescription.close_notify)) node = node.add_child(ExpectAlert()) node.next_sibling = ExpectClose() conversations["{0} extensions".format(i+1)] = conversation # run the conversation good = 0 bad = 0 xfail = 0 xpass = 0 failed = [] xpassed = [] if not num_limit: num_limit = len(conversations) # make sure that sanity test is run first and last # to verify that server was running and kept running throughout sanity_tests = [('sanity', conversations['sanity'])] if run_only: if num_limit > len(run_only): num_limit = len(run_only) regular_tests = [(k, v) for k, v in conversations.items() if k in run_only] else: regular_tests = [(k, v) for k, v in conversations.items() if (k != 'sanity') and k not in run_exclude] sampled_tests = sample(regular_tests, min(num_limit, len(regular_tests))) ordered_tests = chain(sanity_tests, sampled_tests, sanity_tests) for c_name, c_test in ordered_tests: if run_only and c_name not in run_only or c_name in run_exclude: continue print("{0} ...".format(c_name)) runner = Runner(c_test) res = True exception = None try: runner.run() except Exception as exp: exception = exp print("Error while processing") print(traceback.format_exc()) res = False if c_name in expected_failures: if res: xpass += 1 xpassed.append(c_name) print("XPASS-expected failure but test passed\n") else: if expected_failures[c_name] is not None and \ expected_failures[c_name] not in str(exception): bad += 1 failed.append(c_name) print("Expected error message: {0}\n" .format(expected_failures[c_name])) else: xfail += 1 print("OK-expected failure\n") else: if res: good += 1 print("OK\n") else: bad += 1 failed.append(c_name) print("Verify that renegotiation info extension is recognized even if it") print("is preceded by a very large number of extensions that are yet") print("undefined\n") print("Test end") print(20 * '=') print("version: {0}".format(version)) print(20 * '=') print("TOTAL: {0}".format(len(sampled_tests) + 2*len(sanity_tests))) print("SKIP: {0}".format(len(run_exclude.intersection(conversations.keys())))) print("PASS: {0}".format(good)) print("XFAIL: {0}".format(xfail)) print("FAIL: {0}".format(bad)) print("XPASS: {0}".format(xpass)) print(20 * '=') sort = sorted(xpassed ,key=natural_sort_keys) if len(sort): print("XPASSED:\n\t{0}".format('\n\t'.join(repr(i) for i in sort))) sort = sorted(failed, key=natural_sort_keys) if len(sort): print("FAILED:\n\t{0}".format('\n\t'.join(repr(i) for i in sort))) if bad or xpass: sys.exit(1) if __name__ == "__main__": main()