842 lines
37 KiB
Python
842 lines
37 KiB
Python
# Author: Hubert Kario, (c) 2018
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# Released under Gnu GPL v2.0, see LICENSE file for details
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from __future__ import print_function
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import traceback
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import sys
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import getopt
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from itertools import chain
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from random import sample
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from tlsfuzzer.runner import Runner
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from tlsfuzzer.messages import Connect, ClientHelloGenerator, \
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ClientKeyExchangeGenerator, ChangeCipherSpecGenerator, \
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FinishedGenerator, ApplicationDataGenerator, AlertGenerator, \
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SetRecordVersion, TCPBufferingEnable, TCPBufferingDisable, \
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TCPBufferingFlush, ch_cookie_handler, split_message, \
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PlaintextMessageGenerator
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from tlsfuzzer.expect import ExpectServerHello, ExpectCertificate, \
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ExpectServerHelloDone, ExpectChangeCipherSpec, ExpectFinished, \
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ExpectAlert, ExpectApplicationData, ExpectClose, \
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ExpectEncryptedExtensions, ExpectCertificateVerify, \
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ExpectNewSessionTicket, ExpectHelloRetryRequest, \
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ExpectServerKeyExchange
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from tlslite.constants import CipherSuite, AlertLevel, AlertDescription, \
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TLS_1_3_DRAFT, GroupName, ExtensionType, SignatureScheme, \
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PskKeyExchangeMode, ContentType
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from tlslite.utils.cryptomath import getRandomNumber, getRandomBytes
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from tlslite.keyexchange import ECDHKeyExchange
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from tlsfuzzer.utils.lists import natural_sort_keys
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from tlslite.extensions import KeyShareEntry, ClientKeyShareExtension, \
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SupportedVersionsExtension, SupportedGroupsExtension, \
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SignatureAlgorithmsExtension, PskKeyExchangeModesExtension, \
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PreSharedKeyExtension, PskIdentity, TLSExtension, \
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SignatureAlgorithmsCertExtension
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from tlsfuzzer.helpers import key_share_gen, RSA_SIG_ALL
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from tlsfuzzer.utils.ordered_dict import OrderedDict
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version = 5
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def help_msg():
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print("Usage: <script-name> [-h hostname] [-p port] [[probe-name] ...]")
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print(" -h hostname name of the host to run the test against")
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print(" localhost by default")
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print(" -p port port number to use for connection, 4433 by default")
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print(" probe-name if present, will run only the probes with given")
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print(" names and not all of them, e.g \"sanity\"")
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print(" -e probe-name exclude the probe from the list of the ones run")
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print(" may be specified multiple times")
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print(" -x probe-name expect the probe to fail. When such probe passes despite being marked like this")
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print(" it will be reported in the test summary and the whole script will fail.")
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print(" May be specified multiple times.")
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print(" -X message expect the `message` substring in exception raised during")
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print(" execution of preceding expected failure probe")
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print(" usage: [-x probe-name] [-X exception], order is compulsory!")
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print(" -n num run 'num' or all(if 0) tests instead of default(all)")
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print(" (excluding \"sanity\" tests)")
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print(" --num-bytes num Amount of bytes to send in the early data records")
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print(" 16384 by default")
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print(" --cookie expect cookie extension in HRR message")
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print(" -d negotiate (EC)DHE instead of RSA key exchange")
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print(" --help this message")
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def main():
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host = "localhost"
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port = 4433
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num_limit = None
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run_exclude = set()
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expected_failures = {}
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last_exp_tmp = None
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num_bytes = 2**14
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cookie = False
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dhe = False
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argv = sys.argv[1:]
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opts, args = getopt.getopt(argv, "h:p:e:x:X:n:d", ["help", "num-bytes=",
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"cookie"])
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for opt, arg in opts:
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if opt == '-h':
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host = arg
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elif opt == '-p':
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port = int(arg)
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elif opt == '-e':
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run_exclude.add(arg)
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elif opt == '-x':
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expected_failures[arg] = None
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last_exp_tmp = str(arg)
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elif opt == '-X':
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if not last_exp_tmp:
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raise ValueError("-x has to be specified before -X")
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expected_failures[last_exp_tmp] = str(arg)
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elif opt == '-n':
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num_limit = int(arg)
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elif opt == '--help':
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help_msg()
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sys.exit(0)
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elif opt == '--num-bytes':
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num_bytes = int(arg)
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elif opt == '--cookie':
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cookie = True
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elif opt == '-d':
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dhe = True
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else:
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raise ValueError("Unknown option: {0}".format(opt))
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if args:
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run_only = set(args)
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else:
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run_only = None
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conversations = {}
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# sanity check
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conversation = Connect(host, port)
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node = conversation
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ciphers = [CipherSuite.TLS_AES_128_GCM_SHA256,
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CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
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ext = {}
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groups = [GroupName.secp256r1]
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key_shares = []
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for group in groups:
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key_shares.append(key_share_gen(group))
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ext[ExtensionType.key_share] = ClientKeyShareExtension().create(key_shares)
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ext[ExtensionType.supported_versions] = SupportedVersionsExtension()\
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.create([TLS_1_3_DRAFT, (3, 3)])
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ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
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.create(groups)
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sig_algs = [SignatureScheme.rsa_pss_rsae_sha256,
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SignatureScheme.rsa_pss_pss_sha256]
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ext[ExtensionType.signature_algorithms] = SignatureAlgorithmsExtension()\
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.create(sig_algs)
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ext[ExtensionType.signature_algorithms_cert] = SignatureAlgorithmsCertExtension()\
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.create(RSA_SIG_ALL)
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node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
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node = node.add_child(ExpectServerHello())
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node = node.add_child(ExpectChangeCipherSpec())
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node = node.add_child(ExpectEncryptedExtensions())
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node = node.add_child(ExpectCertificate())
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node = node.add_child(ExpectCertificateVerify())
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node = node.add_child(ExpectFinished())
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node = node.add_child(FinishedGenerator())
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node = node.add_child(ApplicationDataGenerator(
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bytearray(b"GET / HTTP/1.0\r\n\r\n")))
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# This message is optional and may show up 0 to many times
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cycle = ExpectNewSessionTicket()
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node = node.add_child(cycle)
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node.add_child(cycle)
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node.next_sibling = ExpectApplicationData()
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node = node.next_sibling.add_child(AlertGenerator(AlertLevel.warning,
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AlertDescription.close_notify))
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node = node.add_child(ExpectAlert())
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node.next_sibling = ExpectClose()
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conversations["sanity"] = conversation
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# sanity check with PSK binders
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conversation = Connect(host, port)
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node = conversation
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ciphers = [CipherSuite.TLS_AES_128_GCM_SHA256,
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CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
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ext = OrderedDict()
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groups = [GroupName.secp256r1]
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key_shares = []
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for group in groups:
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key_shares.append(key_share_gen(group))
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ext[ExtensionType.key_share] = ClientKeyShareExtension().create(key_shares)
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ext[ExtensionType.supported_versions] = SupportedVersionsExtension()\
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.create([TLS_1_3_DRAFT, (3, 3)])
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ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
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.create(groups)
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sig_algs = [SignatureScheme.rsa_pss_rsae_sha256,
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SignatureScheme.rsa_pss_pss_sha256]
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ext[ExtensionType.signature_algorithms] = SignatureAlgorithmsExtension()\
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.create(sig_algs)
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ext[ExtensionType.signature_algorithms_cert] = SignatureAlgorithmsCertExtension()\
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.create(RSA_SIG_ALL)
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ext[ExtensionType.psk_key_exchange_modes] = PskKeyExchangeModesExtension()\
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.create([PskKeyExchangeMode.psk_dhe_ke, PskKeyExchangeMode.psk_ke])
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iden = PskIdentity().create(getRandomBytes(320), 0)
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bind = getRandomBytes(32)
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ext[ExtensionType.pre_shared_key] = PreSharedKeyExtension().create(
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[iden], [bind])
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node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
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node = node.add_child(ExpectServerHello())
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node = node.add_child(ExpectChangeCipherSpec())
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node = node.add_child(ExpectEncryptedExtensions())
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node = node.add_child(ExpectCertificate())
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node = node.add_child(ExpectCertificateVerify())
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node = node.add_child(ExpectFinished())
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node = node.add_child(FinishedGenerator())
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node = node.add_child(ApplicationDataGenerator(
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bytearray(b"GET / HTTP/1.0\r\n\r\n")))
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# This message is optional and may show up 0 to many times
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cycle = ExpectNewSessionTicket()
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node = node.add_child(cycle)
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node.add_child(cycle)
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node.next_sibling = ExpectApplicationData()
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node = node.next_sibling.add_child(AlertGenerator(AlertLevel.warning,
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AlertDescription.close_notify))
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node = node.add_child(ExpectAlert())
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node.next_sibling = ExpectClose()
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conversations["handshake with invalid PSK"] = conversation
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# fake 0-RTT resumption with HRR and early data after second client hello
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conversation = Connect(host, port)
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node = conversation
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ciphers = [CipherSuite.TLS_AES_128_GCM_SHA256,
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CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
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ext = OrderedDict()
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groups = [0x1300, GroupName.secp256r1]
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key_shares = [KeyShareEntry().create(0x1300, bytearray(b'\xab'*32))]
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ext[ExtensionType.key_share] = ClientKeyShareExtension().create(key_shares)
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ext[ExtensionType.supported_versions] = SupportedVersionsExtension()\
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.create([TLS_1_3_DRAFT, (3, 3)])
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ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
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.create(groups)
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sig_algs = [SignatureScheme.rsa_pss_rsae_sha256,
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SignatureScheme.rsa_pss_pss_sha256]
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ext[ExtensionType.signature_algorithms] = SignatureAlgorithmsExtension()\
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.create(sig_algs)
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ext[ExtensionType.signature_algorithms_cert] = SignatureAlgorithmsCertExtension()\
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.create(RSA_SIG_ALL)
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ext[ExtensionType.early_data] = \
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TLSExtension(extType=ExtensionType.early_data)
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ext[ExtensionType.psk_key_exchange_modes] = PskKeyExchangeModesExtension()\
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.create([PskKeyExchangeMode.psk_dhe_ke, PskKeyExchangeMode.psk_ke])
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iden = PskIdentity().create(getRandomBytes(320),
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getRandomNumber(2**30, 2**32))
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bind = getRandomBytes(32)
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ext[ExtensionType.pre_shared_key] = PreSharedKeyExtension().create(
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[iden], [bind])
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node = node.add_child(TCPBufferingEnable())
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node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
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node = node.add_child(SetRecordVersion((3, 3)))
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node = node.add_child(ApplicationDataGenerator(getRandomBytes(num_bytes)))
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node = node.add_child(TCPBufferingDisable())
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node = node.add_child(TCPBufferingFlush())
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ext = {}
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if cookie:
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ext[ExtensionType.cookie] = None
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ext[ExtensionType.key_share] = None
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ext[ExtensionType.supported_versions] = None
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node = node.add_child(ExpectHelloRetryRequest(extensions=ext))
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node = node.add_child(ExpectChangeCipherSpec())
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ext = OrderedDict()
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key_shares = []
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for group in [GroupName.secp256r1]:
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key_shares.append(key_share_gen(group))
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ext[ExtensionType.key_share] = ClientKeyShareExtension().create(key_shares)
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ext[ExtensionType.supported_versions] = SupportedVersionsExtension()\
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.create([TLS_1_3_DRAFT, (3, 3)])
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ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
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.create(groups)
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ext[ExtensionType.signature_algorithms] = SignatureAlgorithmsExtension()\
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.create(sig_algs)
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ext[ExtensionType.signature_algorithms_cert] = SignatureAlgorithmsCertExtension()\
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.create(RSA_SIG_ALL)
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if cookie:
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ext[ExtensionType.cookie] = ch_cookie_handler
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ext[ExtensionType.psk_key_exchange_modes] = PskKeyExchangeModesExtension()\
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.create([PskKeyExchangeMode.psk_dhe_ke, PskKeyExchangeMode.psk_ke])
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ext[ExtensionType.pre_shared_key] = PreSharedKeyExtension().create(
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[iden], [getRandomBytes(32)])
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node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
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node = node.add_child(ExpectServerHello())
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node = node.add_child(ExpectEncryptedExtensions())
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node = node.add_child(ExpectCertificate())
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node = node.add_child(ExpectCertificateVerify())
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node = node.add_child(ExpectFinished())
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node = node.add_child(PlaintextMessageGenerator(
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ContentType.application_data,
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getRandomBytes(64)))
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# This message is optional and may show up 0 to many times
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cycle = ExpectNewSessionTicket()
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node = node.add_child(cycle)
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node.add_child(cycle)
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node.next_sibling = ExpectAlert(AlertLevel.fatal,
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AlertDescription.bad_record_mac)
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node.next_sibling.add_child(ExpectClose())
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conversations["handshake with 0-RTT, HRR and early data after 2nd Client Hello"]\
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= conversation
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# fake 0-RTT resumption with HRR
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conversation = Connect(host, port)
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node = conversation
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ciphers = [CipherSuite.TLS_AES_128_GCM_SHA256,
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CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
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ext = OrderedDict()
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groups = [0x1300, GroupName.secp256r1]
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key_shares = [KeyShareEntry().create(0x1300, bytearray(b'\xab'*32))]
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ext[ExtensionType.key_share] = ClientKeyShareExtension().create(key_shares)
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ext[ExtensionType.supported_versions] = SupportedVersionsExtension()\
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.create([TLS_1_3_DRAFT, (3, 3)])
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ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
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.create(groups)
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sig_algs = [SignatureScheme.rsa_pss_rsae_sha256,
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SignatureScheme.rsa_pss_pss_sha256]
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ext[ExtensionType.signature_algorithms] = SignatureAlgorithmsExtension()\
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.create(sig_algs)
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ext[ExtensionType.signature_algorithms_cert] = SignatureAlgorithmsCertExtension()\
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.create(RSA_SIG_ALL)
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ext[ExtensionType.early_data] = \
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TLSExtension(extType=ExtensionType.early_data)
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ext[ExtensionType.psk_key_exchange_modes] = PskKeyExchangeModesExtension()\
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.create([PskKeyExchangeMode.psk_dhe_ke, PskKeyExchangeMode.psk_ke])
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iden = PskIdentity().create(getRandomBytes(320),
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getRandomNumber(2**30, 2**32))
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bind = getRandomBytes(32)
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ext[ExtensionType.pre_shared_key] = PreSharedKeyExtension().create(
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[iden], [bind])
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node = node.add_child(TCPBufferingEnable())
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node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
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node = node.add_child(SetRecordVersion((3, 3)))
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node = node.add_child(ApplicationDataGenerator(getRandomBytes(num_bytes)))
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node = node.add_child(TCPBufferingDisable())
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node = node.add_child(TCPBufferingFlush())
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ext = {}
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if cookie:
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ext[ExtensionType.cookie] = None
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ext[ExtensionType.key_share] = None
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ext[ExtensionType.supported_versions] = None
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node = node.add_child(ExpectHelloRetryRequest(extensions=ext))
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node = node.add_child(ExpectChangeCipherSpec())
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ext = OrderedDict()
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key_shares = []
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for group in [GroupName.secp256r1]:
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key_shares.append(key_share_gen(group))
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ext[ExtensionType.key_share] = ClientKeyShareExtension().create(key_shares)
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ext[ExtensionType.supported_versions] = SupportedVersionsExtension()\
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.create([TLS_1_3_DRAFT, (3, 3)])
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ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
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.create(groups)
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ext[ExtensionType.signature_algorithms] = SignatureAlgorithmsExtension()\
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.create(sig_algs)
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ext[ExtensionType.signature_algorithms_cert] = SignatureAlgorithmsCertExtension()\
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.create(RSA_SIG_ALL)
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if cookie:
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ext[ExtensionType.cookie] = ch_cookie_handler
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ext[ExtensionType.psk_key_exchange_modes] = PskKeyExchangeModesExtension()\
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.create([PskKeyExchangeMode.psk_dhe_ke, PskKeyExchangeMode.psk_ke])
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ext[ExtensionType.pre_shared_key] = PreSharedKeyExtension().create(
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[iden], [getRandomBytes(32)])
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node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
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node = node.add_child(ExpectServerHello())
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node = node.add_child(ExpectEncryptedExtensions())
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node = node.add_child(ExpectCertificate())
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node = node.add_child(ExpectCertificateVerify())
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node = node.add_child(ExpectFinished())
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node = node.add_child(FinishedGenerator())
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node = node.add_child(ApplicationDataGenerator(
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bytearray(b"GET / HTTP/1.0\r\n\r\n")))
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# This message is optional and may show up 0 to many times
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cycle = ExpectNewSessionTicket()
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node = node.add_child(cycle)
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node.add_child(cycle)
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node.next_sibling = ExpectApplicationData()
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node = node.next_sibling.add_child(AlertGenerator(AlertLevel.warning,
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AlertDescription.close_notify))
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node = node.add_child(ExpectAlert())
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node.next_sibling = ExpectClose()
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conversations["handshake with invalid 0-RTT and HRR"] = conversation
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# fake 0-RTT resumption with fragmented early data
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conversation = Connect(host, port)
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node = conversation
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ciphers = [CipherSuite.TLS_AES_128_GCM_SHA256,
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CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
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ext = OrderedDict()
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groups = [GroupName.secp256r1]
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key_shares = []
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for group in groups:
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key_shares.append(key_share_gen(group))
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ext[ExtensionType.key_share] = ClientKeyShareExtension().create(key_shares)
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ext[ExtensionType.supported_versions] = SupportedVersionsExtension()\
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.create([TLS_1_3_DRAFT, (3, 3)])
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ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
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.create(groups)
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sig_algs = [SignatureScheme.rsa_pss_rsae_sha256,
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SignatureScheme.rsa_pss_pss_sha256]
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ext[ExtensionType.signature_algorithms] = SignatureAlgorithmsExtension()\
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.create(sig_algs)
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ext[ExtensionType.signature_algorithms_cert] = SignatureAlgorithmsCertExtension()\
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.create(RSA_SIG_ALL)
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ext[ExtensionType.early_data] = \
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TLSExtension(extType=ExtensionType.early_data)
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ext[ExtensionType.psk_key_exchange_modes] = PskKeyExchangeModesExtension()\
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.create([PskKeyExchangeMode.psk_dhe_ke, PskKeyExchangeMode.psk_ke])
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iden = PskIdentity().create(getRandomBytes(320),
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getRandomNumber(2**30, 2**32))
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bind = getRandomBytes(32)
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ext[ExtensionType.pre_shared_key] = PreSharedKeyExtension().create(
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[iden], [bind])
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node = node.add_child(TCPBufferingEnable())
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node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
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node = node.add_child(SetRecordVersion((3, 3)))
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node = node.add_child(ApplicationDataGenerator(
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getRandomBytes(num_bytes // 2)))
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node = node.add_child(ApplicationDataGenerator(
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getRandomBytes(num_bytes // 2)))
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node = node.add_child(TCPBufferingDisable())
|
|
node = node.add_child(TCPBufferingFlush())
|
|
node = node.add_child(ExpectServerHello())
|
|
node = node.add_child(ExpectChangeCipherSpec())
|
|
node = node.add_child(ExpectEncryptedExtensions())
|
|
node = node.add_child(ExpectCertificate())
|
|
node = node.add_child(ExpectCertificateVerify())
|
|
node = node.add_child(ExpectFinished())
|
|
node = node.add_child(FinishedGenerator())
|
|
node = node.add_child(ApplicationDataGenerator(
|
|
bytearray(b"GET / HTTP/1.0\r\n\r\n")))
|
|
|
|
# This message is optional and may show up 0 to many times
|
|
cycle = ExpectNewSessionTicket()
|
|
node = node.add_child(cycle)
|
|
node.add_child(cycle)
|
|
|
|
node.next_sibling = ExpectApplicationData()
|
|
node = node.next_sibling.add_child(AlertGenerator(AlertLevel.warning,
|
|
AlertDescription.close_notify))
|
|
|
|
node = node.add_child(ExpectAlert())
|
|
node.next_sibling = ExpectClose()
|
|
conversations["handshake with invalid 0-RTT with fragmented early data"]\
|
|
= conversation
|
|
|
|
# fake 0-RTT and early data spliced into the Finished message
|
|
conversation = Connect(host, port)
|
|
node = conversation
|
|
ciphers = [CipherSuite.TLS_AES_128_GCM_SHA256,
|
|
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
|
|
ext = OrderedDict()
|
|
groups = [GroupName.secp256r1]
|
|
key_shares = []
|
|
for group in groups:
|
|
key_shares.append(key_share_gen(group))
|
|
ext[ExtensionType.key_share] = ClientKeyShareExtension().create(key_shares)
|
|
ext[ExtensionType.supported_versions] = SupportedVersionsExtension()\
|
|
.create([TLS_1_3_DRAFT, (3, 3)])
|
|
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
|
|
.create(groups)
|
|
sig_algs = [SignatureScheme.rsa_pss_rsae_sha256,
|
|
SignatureScheme.rsa_pss_pss_sha256]
|
|
ext[ExtensionType.signature_algorithms] = SignatureAlgorithmsExtension()\
|
|
.create(sig_algs)
|
|
ext[ExtensionType.signature_algorithms_cert] = SignatureAlgorithmsCertExtension()\
|
|
.create(RSA_SIG_ALL)
|
|
ext[ExtensionType.early_data] = \
|
|
TLSExtension(extType=ExtensionType.early_data)
|
|
ext[ExtensionType.psk_key_exchange_modes] = PskKeyExchangeModesExtension()\
|
|
.create([PskKeyExchangeMode.psk_dhe_ke, PskKeyExchangeMode.psk_ke])
|
|
iden = PskIdentity().create(getRandomBytes(320),
|
|
getRandomNumber(2**30, 2**32))
|
|
bind = getRandomBytes(32)
|
|
ext[ExtensionType.pre_shared_key] = PreSharedKeyExtension().create(
|
|
[iden], [bind])
|
|
node = node.add_child(TCPBufferingEnable())
|
|
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
|
|
node = node.add_child(SetRecordVersion((3, 3)))
|
|
node = node.add_child(ApplicationDataGenerator(getRandomBytes(num_bytes)))
|
|
node = node.add_child(TCPBufferingDisable())
|
|
node = node.add_child(TCPBufferingFlush())
|
|
node = node.add_child(ExpectServerHello())
|
|
node = node.add_child(ExpectChangeCipherSpec())
|
|
node = node.add_child(ExpectEncryptedExtensions())
|
|
node = node.add_child(ExpectCertificate())
|
|
node = node.add_child(ExpectCertificateVerify())
|
|
node = node.add_child(ExpectFinished())
|
|
finished_fragments = []
|
|
node = node.add_child(split_message(FinishedGenerator(),
|
|
finished_fragments,
|
|
16))
|
|
# early data spliced into the Finished message
|
|
node = node.add_child(PlaintextMessageGenerator(
|
|
ContentType.application_data,
|
|
getRandomBytes(64)))
|
|
|
|
# This message is optional and may show up 0 to many times
|
|
cycle = ExpectNewSessionTicket()
|
|
node = node.add_child(cycle)
|
|
node.add_child(cycle)
|
|
|
|
node.next_sibling = ExpectAlert(AlertLevel.fatal,
|
|
AlertDescription.bad_record_mac)
|
|
|
|
node.next_sibling.add_child(ExpectClose())
|
|
conversations["undecryptable record later in handshake together with early_data"]\
|
|
= conversation
|
|
|
|
# fake 0-RTT resumption and CCS between fake early data
|
|
conversation = Connect(host, port)
|
|
node = conversation
|
|
ciphers = [CipherSuite.TLS_AES_128_GCM_SHA256,
|
|
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
|
|
ext = OrderedDict()
|
|
groups = [GroupName.secp256r1]
|
|
key_shares = []
|
|
for group in groups:
|
|
key_shares.append(key_share_gen(group))
|
|
ext[ExtensionType.key_share] = ClientKeyShareExtension().create(key_shares)
|
|
ext[ExtensionType.supported_versions] = SupportedVersionsExtension()\
|
|
.create([TLS_1_3_DRAFT, (3, 3)])
|
|
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
|
|
.create(groups)
|
|
sig_algs = [SignatureScheme.rsa_pss_rsae_sha256,
|
|
SignatureScheme.rsa_pss_pss_sha256]
|
|
ext[ExtensionType.signature_algorithms] = SignatureAlgorithmsExtension()\
|
|
.create(sig_algs)
|
|
ext[ExtensionType.signature_algorithms_cert] = SignatureAlgorithmsCertExtension()\
|
|
.create(RSA_SIG_ALL)
|
|
ext[ExtensionType.early_data] = \
|
|
TLSExtension(extType=ExtensionType.early_data)
|
|
ext[ExtensionType.psk_key_exchange_modes] = PskKeyExchangeModesExtension()\
|
|
.create([PskKeyExchangeMode.psk_dhe_ke, PskKeyExchangeMode.psk_ke])
|
|
iden = PskIdentity().create(getRandomBytes(320),
|
|
getRandomNumber(2**30, 2**32))
|
|
bind = getRandomBytes(32)
|
|
ext[ExtensionType.pre_shared_key] = PreSharedKeyExtension().create(
|
|
[iden], [bind])
|
|
node = node.add_child(TCPBufferingEnable())
|
|
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
|
|
node = node.add_child(SetRecordVersion((3, 3)))
|
|
node = node.add_child(
|
|
ApplicationDataGenerator(getRandomBytes(num_bytes//2)))
|
|
node = node.add_child(ChangeCipherSpecGenerator(fake=True))
|
|
node = node.add_child(
|
|
ApplicationDataGenerator(getRandomBytes(num_bytes//2)))
|
|
node = node.add_child(TCPBufferingDisable())
|
|
node = node.add_child(TCPBufferingFlush())
|
|
node = node.add_child(ExpectServerHello())
|
|
node = node.add_child(ExpectChangeCipherSpec())
|
|
node = node.add_child(ExpectEncryptedExtensions())
|
|
node = node.add_child(ExpectCertificate())
|
|
node = node.add_child(ExpectCertificateVerify())
|
|
node = node.add_child(ExpectFinished())
|
|
node = node.add_child(FinishedGenerator())
|
|
node = node.add_child(ApplicationDataGenerator(
|
|
bytearray(b"GET / HTTP/1.0\r\n\r\n")))
|
|
|
|
# This message is optional and may show up 0 to many times
|
|
cycle = ExpectNewSessionTicket()
|
|
node = node.add_child(cycle)
|
|
node.add_child(cycle)
|
|
|
|
node.next_sibling = ExpectApplicationData()
|
|
node = node.next_sibling.add_child(AlertGenerator(AlertLevel.warning,
|
|
AlertDescription.close_notify))
|
|
|
|
node = node.add_child(ExpectAlert())
|
|
node.next_sibling = ExpectClose()
|
|
conversations["handshake with invalid 0-RTT and CCS between early data records"]\
|
|
= conversation
|
|
|
|
# fake 0-RTT resumption and CCS
|
|
conversation = Connect(host, port)
|
|
node = conversation
|
|
ciphers = [CipherSuite.TLS_AES_128_GCM_SHA256,
|
|
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
|
|
ext = OrderedDict()
|
|
groups = [GroupName.secp256r1]
|
|
key_shares = []
|
|
for group in groups:
|
|
key_shares.append(key_share_gen(group))
|
|
ext[ExtensionType.key_share] = ClientKeyShareExtension().create(key_shares)
|
|
ext[ExtensionType.supported_versions] = SupportedVersionsExtension()\
|
|
.create([TLS_1_3_DRAFT, (3, 3)])
|
|
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
|
|
.create(groups)
|
|
sig_algs = [SignatureScheme.rsa_pss_rsae_sha256,
|
|
SignatureScheme.rsa_pss_pss_sha256]
|
|
ext[ExtensionType.signature_algorithms] = SignatureAlgorithmsExtension()\
|
|
.create(sig_algs)
|
|
ext[ExtensionType.signature_algorithms_cert] = SignatureAlgorithmsCertExtension()\
|
|
.create(RSA_SIG_ALL)
|
|
ext[ExtensionType.early_data] = \
|
|
TLSExtension(extType=ExtensionType.early_data)
|
|
ext[ExtensionType.psk_key_exchange_modes] = PskKeyExchangeModesExtension()\
|
|
.create([PskKeyExchangeMode.psk_dhe_ke, PskKeyExchangeMode.psk_ke])
|
|
iden = PskIdentity().create(getRandomBytes(320),
|
|
getRandomNumber(2**30, 2**32))
|
|
bind = getRandomBytes(32)
|
|
ext[ExtensionType.pre_shared_key] = PreSharedKeyExtension().create(
|
|
[iden], [bind])
|
|
node = node.add_child(TCPBufferingEnable())
|
|
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
|
|
node = node.add_child(SetRecordVersion((3, 3)))
|
|
node = node.add_child(ChangeCipherSpecGenerator(fake=True))
|
|
node = node.add_child(ApplicationDataGenerator(getRandomBytes(num_bytes)))
|
|
node = node.add_child(TCPBufferingDisable())
|
|
node = node.add_child(TCPBufferingFlush())
|
|
node = node.add_child(ExpectServerHello())
|
|
node = node.add_child(ExpectChangeCipherSpec())
|
|
node = node.add_child(ExpectEncryptedExtensions())
|
|
node = node.add_child(ExpectCertificate())
|
|
node = node.add_child(ExpectCertificateVerify())
|
|
node = node.add_child(ExpectFinished())
|
|
node = node.add_child(FinishedGenerator())
|
|
node = node.add_child(ApplicationDataGenerator(
|
|
bytearray(b"GET / HTTP/1.0\r\n\r\n")))
|
|
|
|
# This message is optional and may show up 0 to many times
|
|
cycle = ExpectNewSessionTicket()
|
|
node = node.add_child(cycle)
|
|
node.add_child(cycle)
|
|
|
|
node.next_sibling = ExpectApplicationData()
|
|
node = node.next_sibling.add_child(AlertGenerator(AlertLevel.warning,
|
|
AlertDescription.close_notify))
|
|
|
|
node = node.add_child(ExpectAlert())
|
|
node.next_sibling = ExpectClose()
|
|
conversations["handshake with invalid 0-RTT and CCS"] = conversation
|
|
|
|
# fake 0-RTT resumption with unknown version
|
|
conversation = Connect(host, port)
|
|
node = conversation
|
|
ext = OrderedDict()
|
|
groups = [GroupName.secp256r1,
|
|
GroupName.ffdhe2048]
|
|
if dhe:
|
|
ciphers = [CipherSuite.TLS_AES_128_GCM_SHA256,
|
|
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:
|
|
ciphers = [CipherSuite.TLS_AES_128_GCM_SHA256,
|
|
CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
|
|
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
|
|
key_shares = []
|
|
for group in groups:
|
|
key_shares.append(key_share_gen(group))
|
|
ext[ExtensionType.key_share] = ClientKeyShareExtension().create(key_shares)
|
|
ext[ExtensionType.supported_versions] = SupportedVersionsExtension()\
|
|
.create([(3, 5), (3, 3)])
|
|
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
|
|
.create(groups)
|
|
sig_algs = [SignatureScheme.rsa_pss_rsae_sha256,
|
|
SignatureScheme.rsa_pss_pss_sha256]
|
|
ext[ExtensionType.signature_algorithms] = SignatureAlgorithmsExtension()\
|
|
.create(sig_algs)
|
|
ext[ExtensionType.signature_algorithms_cert] = SignatureAlgorithmsCertExtension()\
|
|
.create(RSA_SIG_ALL)
|
|
ext[ExtensionType.early_data] = \
|
|
TLSExtension(extType=ExtensionType.early_data)
|
|
ext[ExtensionType.psk_key_exchange_modes] = PskKeyExchangeModesExtension()\
|
|
.create([PskKeyExchangeMode.psk_dhe_ke, PskKeyExchangeMode.psk_ke])
|
|
iden = PskIdentity().create(getRandomBytes(320),
|
|
getRandomNumber(2**30, 2**32))
|
|
bind = getRandomBytes(32)
|
|
ext[ExtensionType.pre_shared_key] = PreSharedKeyExtension().create(
|
|
[iden], [bind])
|
|
node = node.add_child(TCPBufferingEnable())
|
|
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
|
|
node = node.add_child(SetRecordVersion((3, 3)))
|
|
node = node.add_child(ApplicationDataGenerator(getRandomBytes(num_bytes)))
|
|
node = node.add_child(TCPBufferingDisable())
|
|
node = node.add_child(TCPBufferingFlush())
|
|
node = node.add_child(ExpectServerHello(version=(3, 3)))
|
|
node = node.add_child(ExpectCertificate())
|
|
if dhe:
|
|
node = node.add_child(ExpectServerKeyExchange())
|
|
node = node.add_child(ExpectServerHelloDone())
|
|
# section D.3 of draft 28 states that client that receives TLS 1.2
|
|
# ServerHello as a reply to 0-RTT Client Hello MUST fail a connection
|
|
# consequently, the server does not need to be able to ignore early data
|
|
# in TLS 1.2 mode
|
|
node = node.add_child(ExpectAlert(AlertLevel.fatal,
|
|
AlertDescription.unexpected_message))
|
|
node.add_child(ExpectClose())
|
|
conversations["handshake with invalid 0-RTT and unknown version (downgrade to TLS 1.2)"] = conversation
|
|
|
|
# fake 0-RTT resumption
|
|
conversation = Connect(host, port)
|
|
node = conversation
|
|
ciphers = [CipherSuite.TLS_AES_128_GCM_SHA256,
|
|
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
|
|
ext = OrderedDict()
|
|
groups = [GroupName.secp256r1]
|
|
key_shares = []
|
|
for group in groups:
|
|
key_shares.append(key_share_gen(group))
|
|
ext[ExtensionType.key_share] = ClientKeyShareExtension().create(key_shares)
|
|
ext[ExtensionType.supported_versions] = SupportedVersionsExtension()\
|
|
.create([TLS_1_3_DRAFT, (3, 3)])
|
|
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
|
|
.create(groups)
|
|
sig_algs = [SignatureScheme.rsa_pss_rsae_sha256,
|
|
SignatureScheme.rsa_pss_pss_sha256]
|
|
ext[ExtensionType.signature_algorithms] = SignatureAlgorithmsExtension()\
|
|
.create(sig_algs)
|
|
ext[ExtensionType.signature_algorithms_cert] = SignatureAlgorithmsCertExtension()\
|
|
.create(RSA_SIG_ALL)
|
|
ext[ExtensionType.early_data] = \
|
|
TLSExtension(extType=ExtensionType.early_data)
|
|
ext[ExtensionType.psk_key_exchange_modes] = PskKeyExchangeModesExtension()\
|
|
.create([PskKeyExchangeMode.psk_dhe_ke, PskKeyExchangeMode.psk_ke])
|
|
iden = PskIdentity().create(getRandomBytes(320),
|
|
getRandomNumber(2**30, 2**32))
|
|
bind = getRandomBytes(32)
|
|
ext[ExtensionType.pre_shared_key] = PreSharedKeyExtension().create(
|
|
[iden], [bind])
|
|
node = node.add_child(TCPBufferingEnable())
|
|
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
|
|
node = node.add_child(SetRecordVersion((3, 3)))
|
|
node = node.add_child(ApplicationDataGenerator(getRandomBytes(num_bytes)))
|
|
node = node.add_child(TCPBufferingDisable())
|
|
node = node.add_child(TCPBufferingFlush())
|
|
node = node.add_child(ExpectServerHello())
|
|
node = node.add_child(ExpectChangeCipherSpec())
|
|
node = node.add_child(ExpectEncryptedExtensions())
|
|
node = node.add_child(ExpectCertificate())
|
|
node = node.add_child(ExpectCertificateVerify())
|
|
node = node.add_child(ExpectFinished())
|
|
node = node.add_child(FinishedGenerator())
|
|
node = node.add_child(ApplicationDataGenerator(
|
|
bytearray(b"GET / HTTP/1.0\r\n\r\n")))
|
|
|
|
# This message is optional and may show up 0 to many times
|
|
cycle = ExpectNewSessionTicket()
|
|
node = node.add_child(cycle)
|
|
node.add_child(cycle)
|
|
|
|
node.next_sibling = ExpectApplicationData()
|
|
node = node.next_sibling.add_child(AlertGenerator(AlertLevel.warning,
|
|
AlertDescription.close_notify))
|
|
|
|
node = node.add_child(ExpectAlert())
|
|
node.next_sibling = ExpectClose()
|
|
conversations["handshake with invalid 0-RTT"] = 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("Basic check if TLS 1.3 server can handle 0-RTT handshake")
|
|
print("Verify that the server can handle a 0-RTT handshake from client")
|
|
print("even if (or rather, especially if) it doesn't support 0-RTT.\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()
|