731 lines
33 KiB
Python
731 lines
33 KiB
Python
# Author: Hubert Kario, (c) 2019
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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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HeartbeatGenerator, SetMaxRecordSize, fuzz_message
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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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ExpectServerKeyExchange, ExpectHeartbeat
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from tlsfuzzer.utils.lists import natural_sort_keys
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from tlsfuzzer.helpers import RSA_SIG_ALL
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from tlslite.constants import CipherSuite, AlertLevel, AlertDescription, \
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GroupName, ExtensionType, HeartbeatMode
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from tlslite.extensions import SupportedGroupsExtension, \
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SignatureAlgorithmsExtension, SignatureAlgorithmsCertExtension, \
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HeartbeatExtension
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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(120)")
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print(" (\"sanity\" tests are always executed)")
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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 add_dhe_extensions(extensions):
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groups = [GroupName.secp256r1,
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GroupName.ffdhe2048]
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extensions[ExtensionType.supported_groups] = SupportedGroupsExtension()\
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.create(groups)
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extensions[ExtensionType.signature_algorithms] = \
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SignatureAlgorithmsExtension().create(RSA_SIG_ALL)
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extensions[ExtensionType.signature_algorithms_cert] = \
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SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
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def main():
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host = "localhost"
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port = 4433
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num_limit = 120
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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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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"])
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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 == '-d':
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dhe = True
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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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if dhe:
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ext = {}
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add_dhe_extensions(ext)
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ciphers = [CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
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CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
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CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
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else:
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ext = None
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ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
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CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
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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(ExpectCertificate())
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if dhe:
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node = node.add_child(ExpectServerKeyExchange())
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node = node.add_child(ExpectServerHelloDone())
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node = node.add_child(ClientKeyExchangeGenerator())
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node = node.add_child(ChangeCipherSpecGenerator())
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node = node.add_child(FinishedGenerator())
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node = node.add_child(ExpectChangeCipherSpec())
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node = node.add_child(ExpectFinished())
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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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node = node.add_child(ExpectApplicationData())
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node = node.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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# first check if the server supports it
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conversation = Connect(host, port)
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node = conversation
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ext = {ExtensionType.heartbeat: HeartbeatExtension()
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.create(HeartbeatMode.PEER_ALLOWED_TO_SEND)}
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if dhe:
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add_dhe_extensions(ext)
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ciphers = [CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
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CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
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CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
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else:
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ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
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CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
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node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
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ext = {ExtensionType.heartbeat: None,
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ExtensionType.renegotiation_info: None}
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node = node.add_child(ExpectServerHello(extensions=ext))
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node = node.add_child(ExpectCertificate())
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if dhe:
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node = node.add_child(ExpectServerKeyExchange())
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node = node.add_child(ExpectServerHelloDone())
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node = node.add_child(ClientKeyExchangeGenerator())
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node = node.add_child(ChangeCipherSpecGenerator())
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node = node.add_child(FinishedGenerator())
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node = node.add_child(ExpectChangeCipherSpec())
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node = node.add_child(ExpectFinished())
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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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node = node.add_child(ExpectApplicationData())
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node = node.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["negotiate heartbeat extension"] = conversation
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# finally check if the server will reply to a heartbeat
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conversation = Connect(host, port)
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node = conversation
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ext = {ExtensionType.heartbeat: HeartbeatExtension()
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.create(HeartbeatMode.PEER_ALLOWED_TO_SEND)}
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if dhe:
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add_dhe_extensions(ext)
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ciphers = [CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
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CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
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CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
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else:
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ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
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CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
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node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
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ext = {ExtensionType.heartbeat:
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HeartbeatExtension().create(HeartbeatMode.PEER_ALLOWED_TO_SEND),
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ExtensionType.renegotiation_info: None}
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node = node.add_child(ExpectServerHello(extensions=ext))
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node = node.add_child(ExpectCertificate())
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if dhe:
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node = node.add_child(ExpectServerKeyExchange())
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node = node.add_child(ExpectServerHelloDone())
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node = node.add_child(ClientKeyExchangeGenerator())
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node = node.add_child(ChangeCipherSpecGenerator())
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node = node.add_child(FinishedGenerator())
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node = node.add_child(ExpectChangeCipherSpec())
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node = node.add_child(ExpectFinished())
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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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node = node.add_child(ExpectApplicationData())
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node = node.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["negotiate and check for peer_allowed_to_send"] = \
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conversation
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# send valid heartbeat, check for reply
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conversation = Connect(host, port)
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node = conversation
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ext = {ExtensionType.heartbeat: HeartbeatExtension()
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.create(HeartbeatMode.PEER_ALLOWED_TO_SEND)}
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if dhe:
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add_dhe_extensions(ext)
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ciphers = [CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
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CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
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CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
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else:
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ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
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CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
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node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
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ext = {ExtensionType.heartbeat: None,
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ExtensionType.renegotiation_info: None}
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node = node.add_child(ExpectServerHello(extensions=ext))
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node = node.add_child(ExpectCertificate())
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if dhe:
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node = node.add_child(ExpectServerKeyExchange())
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node = node.add_child(ExpectServerHelloDone())
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node = node.add_child(ClientKeyExchangeGenerator())
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node = node.add_child(ChangeCipherSpecGenerator())
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node = node.add_child(FinishedGenerator())
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node = node.add_child(ExpectChangeCipherSpec())
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node = node.add_child(ExpectFinished())
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node = node.add_child(HeartbeatGenerator(bytearray(b'heartbeat test')))
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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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node = node.add_child(ExpectHeartbeat(payload=bytearray(b'heartbeat test')))
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node = node.add_child(ExpectApplicationData())
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node = node.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["check if server replies to heartbeats after handshake"] = \
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conversation
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# verify that padding is minimal in responses
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conversation = Connect(host, port)
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node = conversation
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ext = {ExtensionType.heartbeat: HeartbeatExtension()
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.create(HeartbeatMode.PEER_ALLOWED_TO_SEND)}
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if dhe:
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add_dhe_extensions(ext)
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ciphers = [CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
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CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
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CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
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else:
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ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
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CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
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node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
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ext = {ExtensionType.heartbeat: None,
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ExtensionType.renegotiation_info: None}
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node = node.add_child(ExpectServerHello(extensions=ext))
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node = node.add_child(ExpectCertificate())
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if dhe:
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node = node.add_child(ExpectServerKeyExchange())
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node = node.add_child(ExpectServerHelloDone())
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node = node.add_child(ClientKeyExchangeGenerator())
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node = node.add_child(ChangeCipherSpecGenerator())
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node = node.add_child(FinishedGenerator())
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node = node.add_child(ExpectChangeCipherSpec())
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node = node.add_child(ExpectFinished())
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node = node.add_child(HeartbeatGenerator(bytearray(b'heartbeat test')))
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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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node = node.add_child(ExpectHeartbeat(payload=bytearray(b'heartbeat test'),
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padding_size=16))
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node = node.add_child(ExpectApplicationData())
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node = node.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["check padding size in response"] = \
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conversation
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# send valid empty heartbeat, check for reply
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conversation = Connect(host, port)
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node = conversation
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ext = {ExtensionType.heartbeat: HeartbeatExtension()
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.create(HeartbeatMode.PEER_ALLOWED_TO_SEND)}
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if dhe:
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add_dhe_extensions(ext)
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ciphers = [CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
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CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
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CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
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else:
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ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
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CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
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node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
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ext = {ExtensionType.heartbeat: None,
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ExtensionType.renegotiation_info: None}
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node = node.add_child(ExpectServerHello(extensions=ext))
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node = node.add_child(ExpectCertificate())
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if dhe:
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node = node.add_child(ExpectServerKeyExchange())
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node = node.add_child(ExpectServerHelloDone())
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node = node.add_child(ClientKeyExchangeGenerator())
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node = node.add_child(ChangeCipherSpecGenerator())
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node = node.add_child(FinishedGenerator())
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node = node.add_child(ExpectChangeCipherSpec())
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node = node.add_child(ExpectFinished())
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node = node.add_child(HeartbeatGenerator(bytearray(b'')))
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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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node = node.add_child(ExpectHeartbeat(payload=bytearray(b'')))
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node = node.add_child(ExpectApplicationData())
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node = node.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 heartbeat"] = \
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conversation
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# verify that server replies with minimal size of padding
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conversation = Connect(host, port)
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node = conversation
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ext = {ExtensionType.heartbeat: HeartbeatExtension()
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.create(HeartbeatMode.PEER_ALLOWED_TO_SEND)}
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if dhe:
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add_dhe_extensions(ext)
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ciphers = [CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
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CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
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CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
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else:
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ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
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CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
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node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
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ext = {ExtensionType.heartbeat: None,
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ExtensionType.renegotiation_info: None}
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node = node.add_child(ExpectServerHello(extensions=ext))
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node = node.add_child(ExpectCertificate())
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if dhe:
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node = node.add_child(ExpectServerKeyExchange())
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node = node.add_child(ExpectServerHelloDone())
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node = node.add_child(ClientKeyExchangeGenerator())
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node = node.add_child(ChangeCipherSpecGenerator())
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node = node.add_child(FinishedGenerator())
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node = node.add_child(ExpectChangeCipherSpec())
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node = node.add_child(ExpectFinished())
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node = node.add_child(HeartbeatGenerator(bytearray(b'')))
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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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node = node.add_child(ExpectHeartbeat(payload=bytearray(b''),
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padding_size=16))
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node = node.add_child(ExpectApplicationData())
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node = node.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 heartbeat - verify padding size"] = \
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conversation
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# check if server will reply to requests even if we set that we don't
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# want any requests
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conversation = Connect(host, port)
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node = conversation
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ext = {ExtensionType.heartbeat: HeartbeatExtension()
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.create(HeartbeatMode.PEER_NOT_ALLOWED_TO_SEND)}
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if dhe:
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add_dhe_extensions(ext)
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ciphers = [CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
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CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
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CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
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else:
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ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
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CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
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node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
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ext = {ExtensionType.heartbeat: None,
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ExtensionType.renegotiation_info: None}
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node = node.add_child(ExpectServerHello(extensions=ext))
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node = node.add_child(ExpectCertificate())
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if dhe:
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node = node.add_child(ExpectServerKeyExchange())
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node = node.add_child(ExpectServerHelloDone())
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node = node.add_child(ClientKeyExchangeGenerator())
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node = node.add_child(ChangeCipherSpecGenerator())
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node = node.add_child(FinishedGenerator())
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node = node.add_child(ExpectChangeCipherSpec())
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node = node.add_child(ExpectFinished())
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node = node.add_child(HeartbeatGenerator(bytearray(b'heartbeat test')))
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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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node = node.add_child(ExpectHeartbeat(payload=bytearray(b'heartbeat test')))
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node = node.add_child(ExpectApplicationData())
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node = node.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["heartbeat with peer_not_allowed_to_send"] = \
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conversation
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# check if invalid modes are rejected by server
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# 1 and 2 are allocated
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for mode in chain([0], range(3, 256)):
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conversation = Connect(host, port)
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node = conversation
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ext = {ExtensionType.heartbeat: HeartbeatExtension()
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.create(mode)}
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if dhe:
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add_dhe_extensions(ext)
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ciphers = [CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
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CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
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CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
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else:
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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(ExpectAlert(AlertLevel.fatal,
|
|
AlertDescription.illegal_parameter))
|
|
node.add_child(ExpectClose())
|
|
conversations["invalid mode in extension - {0}".format(mode)] = \
|
|
conversation
|
|
|
|
# invalid type of heartbeat type
|
|
for hb_type in chain([0], range(2, 256)):
|
|
conversation = Connect(host, port)
|
|
node = conversation
|
|
ext = {ExtensionType.heartbeat: HeartbeatExtension()
|
|
.create(HeartbeatMode.PEER_ALLOWED_TO_SEND)}
|
|
if dhe:
|
|
add_dhe_extensions(ext)
|
|
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:
|
|
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
|
|
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
|
|
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
|
|
ext = {ExtensionType.heartbeat: None,
|
|
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())
|
|
# in case the heartbeat is malformed, the server is expected to drop
|
|
# it silently
|
|
node = node.add_child(HeartbeatGenerator(bytearray(b'heartbeat test'),
|
|
message_type=hb_type))
|
|
node = node.add_child(ApplicationDataGenerator(
|
|
bytearray(b"GET / HTTP/1.0\r\n\r\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["invalid heartbeat type - {0}".format(hb_type)] = \
|
|
conversation
|
|
|
|
for pad_len in range(0, 16):
|
|
# check too small padding with empty payload
|
|
conversation = Connect(host, port)
|
|
node = conversation
|
|
ext = {ExtensionType.heartbeat: HeartbeatExtension()
|
|
.create(HeartbeatMode.PEER_ALLOWED_TO_SEND)}
|
|
if dhe:
|
|
add_dhe_extensions(ext)
|
|
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:
|
|
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
|
|
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
|
|
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
|
|
ext = {ExtensionType.heartbeat: None,
|
|
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(HeartbeatGenerator(bytearray(b''),
|
|
padding_length=pad_len))
|
|
node = node.add_child(ApplicationDataGenerator(
|
|
bytearray(b"GET / HTTP/1.0\r\n\r\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["empty heartbeat, small padding - {0}".format(pad_len)] = \
|
|
conversation
|
|
|
|
conversation = Connect(host, port)
|
|
node = conversation
|
|
ext = {ExtensionType.heartbeat: HeartbeatExtension()
|
|
.create(HeartbeatMode.PEER_ALLOWED_TO_SEND)}
|
|
if dhe:
|
|
add_dhe_extensions(ext)
|
|
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:
|
|
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
|
|
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
|
|
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
|
|
ext = {ExtensionType.heartbeat: None,
|
|
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(HeartbeatGenerator(bytearray(b'some payload?'),
|
|
padding_length=pad_len))
|
|
node = node.add_child(ApplicationDataGenerator(
|
|
bytearray(b"GET / HTTP/1.0\r\n\r\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["heartbeat with small padding - {0}".format(pad_len)] = \
|
|
conversation
|
|
|
|
# check if server replies with small padding even if we send large one
|
|
# and that if we send too large padding, the server rejects the message
|
|
# as malformed
|
|
for pad_size in [17, 32, 64, 128, 1024, 2**14-3-14, 2**14-3-13]:
|
|
conversation = Connect(host, port)
|
|
node = conversation
|
|
ext = {ExtensionType.heartbeat: HeartbeatExtension()
|
|
.create(HeartbeatMode.PEER_ALLOWED_TO_SEND)}
|
|
if dhe:
|
|
add_dhe_extensions(ext)
|
|
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:
|
|
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
|
|
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
|
|
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
|
|
ext = {ExtensionType.heartbeat: None,
|
|
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())
|
|
if pad_size > 2**13:
|
|
node = node.add_child(SetMaxRecordSize(2**16))
|
|
node = node.add_child(HeartbeatGenerator(bytearray(b'heartbeat test'),
|
|
padding_length=pad_size))
|
|
if pad_size > 2**14-3-14:
|
|
node = node.add_child(ExpectAlert(AlertLevel.fatal,
|
|
AlertDescription.record_overflow))
|
|
else:
|
|
node = node.add_child(ApplicationDataGenerator(
|
|
bytearray(b"GET / HTTP/1.0\r\n\r\n")))
|
|
node = node.add_child(ExpectHeartbeat(payload=bytearray(b'heartbeat test'),
|
|
padding_size=16))
|
|
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["large padding ({0}) check padding size in response"
|
|
.format(pad_size)] = \
|
|
conversation
|
|
|
|
# fuzz the payload_length in message
|
|
# the length is in the 2nd and 3rd byte from the beginning
|
|
# and the minimal size is 13, but then too small paddings are tested above
|
|
# so actual minimal size that is worth testing is 29
|
|
for subs in [{1: 255, 2: 255}, {1: 0, 2: 255}, {1: 0, 2: 29},
|
|
{1: 0, 2: 30}, {1: 0, 2: 31}, {1: 0, 2: 32}, {1: 0, 2: 64},
|
|
{1: 1, 2: 0}, {1: 63, 2: 252}, {1: 63, 2: 253},
|
|
{1: 63, 2: 254}, {1: 63, 2: 254}, {1: 64, 2: 0}]:
|
|
conversation = Connect(host, port)
|
|
node = conversation
|
|
ext = {ExtensionType.heartbeat: HeartbeatExtension()
|
|
.create(HeartbeatMode.PEER_ALLOWED_TO_SEND)}
|
|
if dhe:
|
|
add_dhe_extensions(ext)
|
|
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:
|
|
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
|
|
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
|
|
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
|
|
ext = {ExtensionType.heartbeat: None,
|
|
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(
|
|
fuzz_message(HeartbeatGenerator(bytearray(b'some payload?')),
|
|
substitutions=subs))
|
|
node = node.add_child(ApplicationDataGenerator(
|
|
bytearray(b"GET / HTTP/1.0\r\n\r\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["heartbeat with fuzzed payload length - {0}"
|
|
.format(subs)] = \
|
|
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("Check if the heartbeat extension is implemented correctly")
|
|
print("Also checks if the server is not vulnerable to heartbleed")
|
|
print("(CVE-2014-0160)\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()
|