475 lines
21 KiB
Python
475 lines
21 KiB
Python
# Author: Hubert Kario, (c) 2016
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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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import re
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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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split_message, FlushMessageList
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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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from tlslite.constants import CipherSuite, AlertLevel, AlertDescription, \
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ExtensionType
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from tlslite.extensions import PaddingExtension, TLSExtension
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from tlsfuzzer.utils.lists import natural_sort_keys
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version = 3
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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(50)")
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print(" (excluding \"sanity\" tests)")
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print(" -m min-ext-no the minimum extension number to use (default=52)")
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print(" (the test uses random extensions past this number)")
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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 = 50
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min_ext = 52
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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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argv = sys.argv[1:]
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opts, args = getopt.getopt(argv, "h:p:e:x:X:n:m:", ["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 == '-m':
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min_ext = 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_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))
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node = node.add_child(ExpectServerHello())
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node = node.add_child(ExpectCertificate())
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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\n\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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node = node.add_child(ExpectClose())
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conversations["sanity"] = conversation
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# send client hello with large padding extension
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for i in chain(range(10), range(0x3f00, 0x4010), range(0x1ff0, 0x2010),
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range(0x8ff0, 0x9010), range(0xff00, 0xffff-4)):
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conversation = Connect(host, port)
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node = conversation
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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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ext = {ExtensionType.client_hello_padding:PaddingExtension().create(i)}
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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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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(bytearray(b"GET / HTTP/1.0\n\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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node = node.add_child(ExpectClose())
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conversations["ext padding, {0} bytes".format(i)] = conversation
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# send large extension from unallocated range
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for i in chain(range(10), range(0x3f00, 0x4010), range(0x1ff0, 0x2010),
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range(0x8ff0, 0x9010), range(0xff00, 0xffff-4)):
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conversation = Connect(host, port)
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node = conversation
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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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ext = {80:TLSExtension(extType=80).create(bytearray(i))}
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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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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(bytearray(b"GET / HTTP/1.0\n\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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node = node.add_child(ExpectClose())
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conversations["ext #80, {0} bytes".format(i)] = conversation
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# send two extensions, where one is large (4096) and the other is
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# changing size
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for i in chain(range(10), range(0x2f00, 0x3010),
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range(0x3f00, 0x4010), range(0x1ff0, 0x2010),
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range(0x8ff0, 0x9010), range(0xef00, 0xefff-8)):
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conversation = Connect(host, port)
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node = conversation
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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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ext = {80:TLSExtension(extType=80).create(bytearray(i)),
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ExtensionType.client_hello_padding:
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PaddingExtension().create(0x1000)}
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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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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(bytearray(b"GET / HTTP/1.0\n\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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node = node.add_child(ExpectClose())
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conversations["two ext, #80 {0} bytes".format(i)] = conversation
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# send client hello messages with multiple extensions
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for i in chain(range(10//4), range(0x3f00//4, 0x4010//4),
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range(0x1ff0//4, 0x2010//4),
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range(0x8ff0//4, 0x9010//4), range(0xff00//4, 0x10000//4)):
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conversation = Connect(host, port)
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node = conversation
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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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high_num_ext = (ExtensionType.supports_npn,
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ExtensionType.tack,
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ExtensionType.renegotiation_info)
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# increase the count if some extension points will be skipped because
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# they are meaningful
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for num in high_num_ext:
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if i+min_ext > num:
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i+=1
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ext = dict((j, TLSExtension(extType=j))
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for j in range(min_ext, min_ext+i)
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if j not in high_num_ext)
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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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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(bytearray(b"GET / HTTP/1.0\n\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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node = node.add_child(ExpectClose())
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conversations["multiple extensions {0}".format(i)] = conversation
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# send client hello with large number of ciphersuites but overall
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# even length
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for i in chain(range(1, 10//2), range(0x3f00//2, 0x4010//2),
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range(0x1ff0//2, 0x2010//2),
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range(0x8ff0//2, 0x9010//2), range(0xff00//2, 0xffff//2-2)):
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conversation = Connect(host, port)
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node = conversation
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if i < 0x5600 - 0x0100:
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ciphers = list(range(0x0100, 0x0100 + i))
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else:
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ciphers = list(range(0x0100, 0x5600))
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i -= 0x5600 - 0x0100
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ciphers += list(range(0x5601, 0x5601 + i))
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ciphers += [CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV,
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CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA]
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node = node.add_child(ClientHelloGenerator(ciphers))
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node = node.add_child(ExpectServerHello())
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node = node.add_child(ExpectCertificate())
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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(bytearray(b"GET / HTTP/1.0\n\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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node = node.add_child(ExpectClose())
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conversations["ciphers even {0}".format(i)] = conversation
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# send client hello with large number of ciphersuites but overall
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# odd length
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for i in chain(range(1, 10//2), range(0x3f00//2, 0x4010//2),
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range(0x1ff0//2, 0x2010//2),
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range(0x8ff0//2, 0x9010//2), range(0xff00//2, 0xffff//2-2)):
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conversation = Connect(host, port)
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node = conversation
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if i < 0x5600 - 0x0100:
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ciphers = list(range(0x0100, 0x0100 + i))
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else:
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ciphers = list(range(0x0100, 0x5600))
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i -= 0x5600 - 0x0100
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ciphers += list(range(0x5601, 0x5601 + i))
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ext = {ExtensionType.client_hello_padding:
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PaddingExtension().create(1)}
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ciphers += [CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV,
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CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA]
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node = node.add_child(ClientHelloGenerator(ciphers,
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extensions=ext))
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node = node.add_child(ExpectServerHello())
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node = node.add_child(ExpectCertificate())
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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(bytearray(b"GET / HTTP/1.0\n\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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node = node.add_child(ExpectClose())
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conversations["ciphers odd {0}".format(i)] = conversation
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# hello split over at least two records, first very small (2B)
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for i in chain(range(10), range(0x3f00, 0x4010), range(0x1ff0, 0x2010),
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range(0x8ff0, 0x9010), range(0xff00, 0xffff-4)):
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fragment_list = []
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conversation = Connect(host, port)
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node = conversation
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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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ext = {ExtensionType.client_hello_padding:PaddingExtension().create(i)}
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hello_gen = ClientHelloGenerator(ciphers, extensions=ext)
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node = node.add_child(split_message(hello_gen, fragment_list, 2))
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node = node.add_child(FlushMessageList(fragment_list))
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node = node.add_child(ExpectServerHello())
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node = node.add_child(ExpectCertificate())
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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(bytearray(b"GET / HTTP/1.0\n\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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node = node.add_child(ExpectClose())
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conversations["fragmented, padding ext {0} bytes".format(i)] = conversation
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# sanity check fragmentation
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fragment_list = []
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conversation = Connect(host, port)
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node = conversation
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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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hello_gen = ClientHelloGenerator(ciphers)
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node = node.add_child(split_message(hello_gen, fragment_list, 2))
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node = node.add_child(FlushMessageList(fragment_list))
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node = node.add_child(ExpectServerHello())
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node = node.add_child(ExpectCertificate())
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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(bytearray(b"GET / HTTP/1.0\n\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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node = node.add_child(ExpectClose())
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conversations["sanity check - fragmented"] = conversation
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# test with ciphers and extensions filled to the brim
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conversation = Connect(host, port)
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node = conversation
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i = 0xfffe // 2 - 2 # two ciphers are constant
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if i < 0x5600 - 0x0100:
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ciphers = list(range(0x0100, 0x0100 + i))
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else:
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ciphers = list(range(0x0100, 0x5600))
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i -= 0x5600 - 0x0100
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ciphers += list(range(0x5601, 0x5601 + i))
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ciphers += [CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV,
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CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA]
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# the 4 bytes subtracted from 0xffff are for ext ID and ext len
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ext = {80:TLSExtension(extType=80).create(bytearray(0xffff-4))}
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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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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(bytearray(b"GET / HTTP/1.0\n\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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node = node.add_child(ExpectClose())
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conversations["huge hello"] = 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]
|
|
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:
|
|
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("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()
|