478 lines
20 KiB
Python
478 lines
20 KiB
Python
# Author: Robert Kolcun, (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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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
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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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from tlslite.keyexchange import ECDHKeyExchange
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from tlsfuzzer.utils.lists import natural_sort_keys
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from tlsfuzzer.utils.ordered_dict import OrderedDict
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from tlslite.extensions import KeyShareEntry, ClientKeyShareExtension, \
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SupportedVersionsExtension, SupportedGroupsExtension, \
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SignatureAlgorithmsExtension, SignatureAlgorithmsCertExtension, \
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TLSExtension
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from tlsfuzzer.helpers import key_share_gen, RSA_SIG_ALL, AutoEmptyExtension
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from tlsfuzzer.fuzzers import structured_random_iter
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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(20)")
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print(" (excluding \"sanity\" tests)")
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print(" --exc ext-id exclude specific extenion id from a list")
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print(" of unassigned extenions,")
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print(" may be specified multiple times")
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print(" --supgroup if present, test expect supported_groups extension")
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print(" in EncryptedExtension message")
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print(" --separate ext-id test one extension in isolation, may be")
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print(" specified multiple times")
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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 = 20
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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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ext_exclude = set()
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exp_sup_groups = False
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individual_ext = []
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argv = sys.argv[1:]
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opts, args = getopt.getopt(argv, "h:p:e:x:X:n:",
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["help", "exc=", "supgroup", "separate="])
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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 == '--exc':
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ext_exclude.add(int(arg))
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elif opt == '--supgroup':
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exp_sup_groups = True
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elif opt == "--separate":
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individual_ext.append(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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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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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])
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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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expect_exts_sh = {ExtensionType.key_share: None,
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ExtensionType.supported_versions: None}
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expect_exts_ee = {}
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if exp_sup_groups:
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expect_exts_ee[ExtensionType.supported_groups] = None
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unassigned_ext_id = []
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unassigned_ext_id.extend(range(2, 5))
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unassigned_ext_id.extend(range(6, 10))
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unassigned_ext_id.extend([11, 12, 17])
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unassigned_ext_id.extend(range(22, 28))
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unassigned_ext_id.extend(range(29, 41))
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unassigned_ext_id.extend([46])
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unassigned_ext_id.extend(range(52, 65536))
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# Exclude extensions from a list of unassigned ones
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unassigned_ext_id = [ext for ext in unassigned_ext_id if ext not in ext_exclude]
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chunk_size = 4096
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for ext_chunk in (unassigned_ext_id[j:j + chunk_size]
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for j in range(0, len(unassigned_ext_id), chunk_size)):
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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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for ext_id in ext_chunk:
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ext[ext_id] = AutoEmptyExtension()
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if ExtensionType.renegotiation_info in ext:
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ext[ExtensionType.renegotiation_info] = None
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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])
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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(extensions=expect_exts_sh))
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node = node.add_child(ExpectChangeCipherSpec())
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node = node.add_child(ExpectEncryptedExtensions(
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extensions=expect_exts_ee))
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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["empty unassigned extensions, ids in range from {0} to {1}".format(
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ext_chunk[0], ext_chunk[-1])] = conversation
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chunk_size = 1024
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for ext_chunk in (unassigned_ext_id[j:j + chunk_size]
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for j in range(0, len(unassigned_ext_id), chunk_size)):
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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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random_payload = structured_random_iter(max_length=2**6,
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count=len(ext_chunk))
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ext = OrderedDict()
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for ext_id in ext_chunk:
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ext[ext_id] = TLSExtension(extType=ext_id).create(next(random_payload).data)
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if ExtensionType.renegotiation_info in ext:
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ext[ExtensionType.renegotiation_info] = None
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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])
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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(extensions=expect_exts_sh))
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node = node.add_child(ExpectChangeCipherSpec())
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node = node.add_child(ExpectEncryptedExtensions(
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extensions=expect_exts_ee))
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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["unassigned extensions with random payload, ids in range from {0} to {1}".format(
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ext_chunk[0], ext_chunk[-1])] = conversation
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# test the special one user asked for
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for ext_id in individual_ext:
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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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if ExtensionType.renegotiation_info in ext:
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ext[ExtensionType.renegotiation_info] = None
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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])
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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[ext_id] = AutoEmptyExtension()
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node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
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node = node.add_child(ExpectServerHello(extensions=expect_exts_sh))
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node = node.add_child(ExpectChangeCipherSpec())
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node = node.add_child(ExpectEncryptedExtensions(
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extensions=expect_exts_ee))
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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["empty unassigned extension id {0}".format(
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ext_id)] = conversation
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# and now with random payload
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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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if ExtensionType.renegotiation_info in ext:
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ext[ExtensionType.renegotiation_info] = None
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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])
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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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random_payload = structured_random_iter(max_length=2**6,
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count=1)
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ext[ext_id] = TLSExtension(extType=ext_id)\
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.create(next(random_payload).data)
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node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
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node = node.add_child(ExpectServerHello(extensions=expect_exts_sh))
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node = node.add_child(ExpectChangeCipherSpec())
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node = node.add_child(ExpectEncryptedExtensions(
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extensions=expect_exts_ee))
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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["unassigned extension with random payload, id {0}"
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.format(ext_id)] = conversation
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# run the conversation
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good = 0
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bad = 0
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xfail = 0
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xpass = 0
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failed = []
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xpassed = []
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if not num_limit:
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num_limit = len(conversations)
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# make sure that sanity test is run first and last
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# to verify that server was running and kept running throughout
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sanity_tests = [('sanity', conversations['sanity'])]
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if run_only:
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if num_limit > len(run_only):
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num_limit = len(run_only)
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regular_tests = [(k, v) for k, v in conversations.items() if k in run_only]
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else:
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regular_tests = [(k, v) for k, v in conversations.items() if
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(k != 'sanity') and k not in run_exclude]
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sampled_tests = sample(regular_tests, min(num_limit, len(regular_tests)))
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ordered_tests = chain(sanity_tests, sampled_tests, sanity_tests)
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for c_name, c_test in ordered_tests:
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print("{0} ...".format(c_name))
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runner = Runner(c_test)
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res = True
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exception = None
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try:
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runner.run()
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except Exception as exp:
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exception = exp
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print("Error while processing")
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print(traceback.format_exc())
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res = False
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if c_name in expected_failures:
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if res:
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xpass += 1
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xpassed.append(c_name)
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print("XPASS-expected failure but test passed\n")
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else:
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if expected_failures[c_name] is not None and \
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expected_failures[c_name] not in str(exception):
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bad += 1
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failed.append(c_name)
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print("Expected error message: {0}\n"
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.format(expected_failures[c_name]))
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else:
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xfail += 1
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print("OK-expected failure\n")
|
|
else:
|
|
if res:
|
|
good += 1
|
|
print("OK\n")
|
|
else:
|
|
bad += 1
|
|
failed.append(c_name)
|
|
|
|
print("Test with large number of unassigned extensions in TLS 1.3")
|
|
print("Verify that server does not reply to any of these extensions")
|
|
print("and establish regular session.\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()
|