870 lines
39 KiB
Python
870 lines
39 KiB
Python
# Author: Ivan Nikolchev, (c) 2019
|
|
# Released under Gnu GPL v2.0, see LICENSE file for details
|
|
|
|
from __future__ import print_function
|
|
import traceback
|
|
import sys
|
|
import getopt
|
|
import re
|
|
from itertools import chain
|
|
from random import sample
|
|
|
|
from tlsfuzzer.runner import Runner
|
|
from tlsfuzzer.messages import Connect, ClientHelloGenerator, \
|
|
ClientKeyExchangeGenerator, ChangeCipherSpecGenerator, \
|
|
FinishedGenerator, ApplicationDataGenerator, AlertGenerator, \
|
|
fuzz_encrypted_message, PlaintextMessageGenerator, SetMaxRecordSize
|
|
from tlsfuzzer.expect import ExpectServerHello, ExpectCertificate, \
|
|
ExpectServerHelloDone, ExpectChangeCipherSpec, ExpectFinished, \
|
|
ExpectAlert, ExpectApplicationData, ExpectClose, \
|
|
ExpectServerKeyExchange
|
|
from tlslite.constants import CipherSuite, AlertLevel, AlertDescription, \
|
|
ContentType, GroupName, ExtensionType
|
|
from tlslite.extensions import SupportedGroupsExtension, \
|
|
SignatureAlgorithmsExtension, SignatureAlgorithmsCertExtension
|
|
from tlsfuzzer.helpers import SIG_ALL
|
|
from tlsfuzzer.utils.lists import natural_sort_keys
|
|
|
|
|
|
version = 4
|
|
|
|
|
|
def help_msg():
|
|
print("Usage: <script-name> [-h hostname] [-p port] [[probe-name] ...]")
|
|
print(" -h hostname name of the host to run the test against")
|
|
print(" localhost by default")
|
|
print(" -p port port number to use for connection, 4433 by default")
|
|
print(" probe-name if present, will run only the probes with given")
|
|
print(" names and not all of them, e.g \"sanity\"")
|
|
print(" -e probe-name exclude the probe from the list of the ones run")
|
|
print(" may be specified multiple times")
|
|
print(" -x probe-name expect the probe to fail. When such probe passes despite being marked like this")
|
|
print(" it will be reported in the test summary and the whole script will fail.")
|
|
print(" May be specified multiple times.")
|
|
print(" -X message expect the `message` substring in exception raised during")
|
|
print(" execution of preceding expected failure probe")
|
|
print(" usage: [-x probe-name] [-X exception], order is compulsory!")
|
|
print(" -n num run 'num' or all(if 0) tests instead of default(100)")
|
|
print(" (excluding \"sanity\" tests)")
|
|
print(" -d negotiate (EC)DHE instead of RSA key exchange")
|
|
print(" --help this message")
|
|
|
|
|
|
def main():
|
|
host = "localhost"
|
|
port = 4433
|
|
num_limit = 100
|
|
run_exclude = set()
|
|
expected_failures = {}
|
|
last_exp_tmp = None
|
|
dhe = False
|
|
|
|
argv = sys.argv[1:]
|
|
opts, args = getopt.getopt(argv, "h:p:e:x:X:n:d", ["help"])
|
|
for opt, arg in opts:
|
|
if opt == '-h':
|
|
host = arg
|
|
elif opt == '-p':
|
|
port = int(arg)
|
|
elif opt == '-e':
|
|
run_exclude.add(arg)
|
|
elif opt == '-x':
|
|
expected_failures[arg] = None
|
|
last_exp_tmp = str(arg)
|
|
elif opt == '-X':
|
|
if not last_exp_tmp:
|
|
raise ValueError("-x has to be specified before -X")
|
|
expected_failures[last_exp_tmp] = str(arg)
|
|
elif opt == '-n':
|
|
num_limit = int(arg)
|
|
elif opt == '-d':
|
|
dhe = True
|
|
elif opt == '--help':
|
|
help_msg()
|
|
sys.exit(0)
|
|
else:
|
|
raise ValueError("Unknown option: {0}".format(opt))
|
|
|
|
if args:
|
|
run_only = set(args)
|
|
else:
|
|
run_only = None
|
|
|
|
conversations = {}
|
|
|
|
conversation = Connect(host, port)
|
|
node = conversation
|
|
ext = {}
|
|
if dhe:
|
|
groups = [GroupName.secp256r1,
|
|
GroupName.ffdhe2048]
|
|
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
|
|
.create(groups)
|
|
ext[ExtensionType.signature_algorithms] = \
|
|
SignatureAlgorithmsExtension().create(SIG_ALL)
|
|
ext[ExtensionType.signature_algorithms_cert] = \
|
|
SignatureAlgorithmsCertExtension().create(SIG_ALL)
|
|
ciphers = [CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CCM,
|
|
CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_256_CCM,
|
|
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CCM,
|
|
CipherSuite.TLS_DHE_RSA_WITH_AES_256_CCM,
|
|
CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8,
|
|
CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_256_CCM_8,
|
|
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CCM_8,
|
|
CipherSuite.TLS_DHE_RSA_WITH_AES_256_CCM_8,
|
|
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
|
|
else:
|
|
ext = None
|
|
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CCM,
|
|
CipherSuite.TLS_RSA_WITH_AES_256_CCM,
|
|
CipherSuite.TLS_RSA_WITH_AES_128_CCM_8,
|
|
CipherSuite.TLS_RSA_WITH_AES_256_CCM_8,
|
|
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
|
|
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
|
|
node = node.add_child(ExpectServerHello())
|
|
node = node.add_child(ExpectCertificate())
|
|
if dhe:
|
|
node = node.add_child(ExpectServerKeyExchange())
|
|
node = node.add_child(ExpectServerHelloDone())
|
|
node = node.add_child(ClientKeyExchangeGenerator())
|
|
node = node.add_child(ChangeCipherSpecGenerator())
|
|
node = node.add_child(FinishedGenerator())
|
|
node = node.add_child(ExpectChangeCipherSpec())
|
|
node = node.add_child(ExpectFinished())
|
|
node = node.add_child(ApplicationDataGenerator(
|
|
bytearray(b"GET / HTTP/1.0\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["sanity"] = conversation
|
|
|
|
# reject ciphers in TLS1.1
|
|
conversation = Connect(host, port)
|
|
node = conversation
|
|
ext = {}
|
|
if dhe:
|
|
groups = [GroupName.secp256r1,
|
|
GroupName.ffdhe2048]
|
|
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
|
|
.create(groups)
|
|
ext[ExtensionType.signature_algorithms] = \
|
|
SignatureAlgorithmsExtension().create(SIG_ALL)
|
|
ext[ExtensionType.signature_algorithms_cert] = \
|
|
SignatureAlgorithmsCertExtension().create(SIG_ALL)
|
|
ciphers = [CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CCM,
|
|
CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_256_CCM,
|
|
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CCM,
|
|
CipherSuite.TLS_DHE_RSA_WITH_AES_256_CCM,
|
|
CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8,
|
|
CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_256_CCM_8,
|
|
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CCM_8,
|
|
CipherSuite.TLS_DHE_RSA_WITH_AES_256_CCM_8,
|
|
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
|
|
else:
|
|
ext = None
|
|
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CCM,
|
|
CipherSuite.TLS_RSA_WITH_AES_256_CCM,
|
|
CipherSuite.TLS_RSA_WITH_AES_128_CCM_8,
|
|
CipherSuite.TLS_RSA_WITH_AES_256_CCM_8,
|
|
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
|
|
node = node.add_child(ClientHelloGenerator(ciphers, version=(3, 2)))
|
|
node = node.add_child(ExpectAlert(AlertLevel.fatal,
|
|
AlertDescription.handshake_failure))
|
|
node.add_child(ExpectClose())
|
|
conversations["AES-CCM in TLS1.1"] = conversation
|
|
|
|
# empty application data message acceptance
|
|
node = conversation
|
|
ext = {}
|
|
if dhe:
|
|
groups = [GroupName.secp256r1,
|
|
GroupName.ffdhe2048]
|
|
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
|
|
.create(groups)
|
|
ext[ExtensionType.signature_algorithms] = \
|
|
SignatureAlgorithmsExtension().create(SIG_ALL)
|
|
ext[ExtensionType.signature_algorithms_cert] = \
|
|
SignatureAlgorithmsCertExtension().create(SIG_ALL)
|
|
ciphers = [CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CCM,
|
|
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CCM,
|
|
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
|
|
else:
|
|
ext = None
|
|
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CCM,
|
|
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
|
|
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
|
|
node = node.add_child(ExpectServerHello())
|
|
node = node.add_child(ExpectCertificate())
|
|
if dhe:
|
|
node = node.add_child(ExpectServerKeyExchange())
|
|
node = node.add_child(ExpectServerHelloDone())
|
|
node = node.add_child(ClientKeyExchangeGenerator())
|
|
node = node.add_child(ChangeCipherSpecGenerator())
|
|
node = node.add_child(FinishedGenerator())
|
|
node = node.add_child(ExpectChangeCipherSpec())
|
|
node = node.add_child(ExpectFinished())
|
|
node = node.add_child(ApplicationDataGenerator(bytearray()))
|
|
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(AlertLevel.warning,
|
|
AlertDescription.close_notify))
|
|
node.next_sibling = ExpectClose()
|
|
conversations["empty app data"] = conversation
|
|
|
|
# empty application data message acceptance with _8 ciphers
|
|
node = conversation
|
|
ext = {}
|
|
if dhe:
|
|
groups = [GroupName.secp256r1,
|
|
GroupName.ffdhe2048]
|
|
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
|
|
.create(groups)
|
|
ext[ExtensionType.signature_algorithms] = \
|
|
SignatureAlgorithmsExtension().create(SIG_ALL)
|
|
ext[ExtensionType.signature_algorithms_cert] = \
|
|
SignatureAlgorithmsCertExtension().create(SIG_ALL)
|
|
ciphers = [CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8,
|
|
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CCM_8,
|
|
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
|
|
else:
|
|
ext = None
|
|
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CCM_8,
|
|
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
|
|
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
|
|
node = node.add_child(ExpectServerHello())
|
|
node = node.add_child(ExpectCertificate())
|
|
if dhe:
|
|
node = node.add_child(ExpectServerKeyExchange())
|
|
node = node.add_child(ExpectServerHelloDone())
|
|
node = node.add_child(ClientKeyExchangeGenerator())
|
|
node = node.add_child(ChangeCipherSpecGenerator())
|
|
node = node.add_child(FinishedGenerator())
|
|
node = node.add_child(ExpectChangeCipherSpec())
|
|
node = node.add_child(ExpectFinished())
|
|
node = node.add_child(ApplicationDataGenerator(bytearray()))
|
|
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(AlertLevel.warning,
|
|
AlertDescription.close_notify))
|
|
node.next_sibling = ExpectClose()
|
|
conversations["empty app data with _8 ciphers"] = conversation
|
|
|
|
# 1/n-1 message splitting
|
|
conversation = Connect(host, port)
|
|
node = conversation
|
|
ext = {}
|
|
if dhe:
|
|
groups = [GroupName.secp256r1,
|
|
GroupName.ffdhe2048]
|
|
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
|
|
.create(groups)
|
|
ext[ExtensionType.signature_algorithms] = \
|
|
SignatureAlgorithmsExtension().create(SIG_ALL)
|
|
ext[ExtensionType.signature_algorithms_cert] = \
|
|
SignatureAlgorithmsCertExtension().create(SIG_ALL)
|
|
ciphers = [CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CCM,
|
|
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CCM,
|
|
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
|
|
else:
|
|
ext = None
|
|
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CCM,
|
|
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
|
|
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
|
|
node = node.add_child(ExpectServerHello())
|
|
node = node.add_child(ExpectCertificate())
|
|
if dhe:
|
|
node = node.add_child(ExpectServerKeyExchange())
|
|
node = node.add_child(ExpectServerHelloDone())
|
|
node = node.add_child(ClientKeyExchangeGenerator())
|
|
node = node.add_child(ChangeCipherSpecGenerator())
|
|
node = node.add_child(FinishedGenerator())
|
|
node = node.add_child(ExpectChangeCipherSpec())
|
|
node = node.add_child(ExpectFinished())
|
|
node = node.add_child(ApplicationDataGenerator(bytearray(b"G")))
|
|
node = node.add_child(ApplicationDataGenerator(
|
|
bytearray(b"ET / 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(AlertLevel.warning,
|
|
AlertDescription.close_notify))
|
|
node.next_sibling = ExpectClose()
|
|
conversations["1/n-1 record splitting"] = conversation
|
|
|
|
# plaintext just under the maximum permissible
|
|
conversation = Connect(host, port)
|
|
node = conversation
|
|
node = node.add_child(SetMaxRecordSize(2**16-1))
|
|
ext = {}
|
|
if dhe:
|
|
groups = [GroupName.secp256r1,
|
|
GroupName.ffdhe2048]
|
|
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
|
|
.create(groups)
|
|
ext[ExtensionType.signature_algorithms] = \
|
|
SignatureAlgorithmsExtension().create(SIG_ALL)
|
|
ext[ExtensionType.signature_algorithms_cert] = \
|
|
SignatureAlgorithmsCertExtension().create(SIG_ALL)
|
|
ciphers = [CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CCM,
|
|
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CCM,
|
|
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
|
|
else:
|
|
ext = None
|
|
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CCM,
|
|
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
|
|
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
|
|
node = node.add_child(ExpectServerHello())
|
|
node = node.add_child(ExpectCertificate())
|
|
if dhe:
|
|
node = node.add_child(ExpectServerKeyExchange())
|
|
node = node.add_child(ExpectServerHelloDone())
|
|
node = node.add_child(ClientKeyExchangeGenerator())
|
|
node = node.add_child(ChangeCipherSpecGenerator())
|
|
node = node.add_child(FinishedGenerator())
|
|
node = node.add_child(ExpectChangeCipherSpec())
|
|
node = node.add_child(ExpectFinished())
|
|
data = bytearray(b"GET / HTTP/1.0\r\n" +
|
|
b"X-test: " + b"A" * (2**14 - 28) +
|
|
b"\r\n\r\n")
|
|
assert len(data) == 2**14
|
|
node = node.add_child(ApplicationDataGenerator(data))
|
|
node = node.add_child(ExpectApplicationData())
|
|
node = node.add_child(AlertGenerator(AlertLevel.warning,
|
|
AlertDescription.close_notify))
|
|
# allow for multiple application data records in response
|
|
node = node.add_child(ExpectApplicationData())
|
|
loop = node
|
|
node = node.add_child(ExpectAlert(AlertLevel.warning,
|
|
AlertDescription.close_notify))
|
|
loop.next_sibling = node
|
|
node.next_sibling = ExpectClose()
|
|
conversations["max size plaintext"] = conversation
|
|
|
|
# plaintext over the maximum permissible
|
|
conversation = Connect(host, port)
|
|
node = conversation
|
|
node = node.add_child(SetMaxRecordSize(2**16-1))
|
|
ext = {}
|
|
if dhe:
|
|
groups = [GroupName.secp256r1,
|
|
GroupName.ffdhe2048]
|
|
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
|
|
.create(groups)
|
|
ext[ExtensionType.signature_algorithms] = \
|
|
SignatureAlgorithmsExtension().create(SIG_ALL)
|
|
ext[ExtensionType.signature_algorithms_cert] = \
|
|
SignatureAlgorithmsCertExtension().create(SIG_ALL)
|
|
ciphers = [CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8,
|
|
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CCM_8,
|
|
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
|
|
else:
|
|
ext = None
|
|
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CCM_8,
|
|
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
|
|
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
|
|
node = node.add_child(ExpectServerHello())
|
|
node = node.add_child(ExpectCertificate())
|
|
if dhe:
|
|
node = node.add_child(ExpectServerKeyExchange())
|
|
node = node.add_child(ExpectServerHelloDone())
|
|
node = node.add_child(ClientKeyExchangeGenerator())
|
|
node = node.add_child(ChangeCipherSpecGenerator())
|
|
node = node.add_child(FinishedGenerator())
|
|
node = node.add_child(ExpectChangeCipherSpec())
|
|
node = node.add_child(ExpectFinished())
|
|
data = bytearray(b"GET / HTTP/1.0\r\n" +
|
|
b"X-test: " + b"A" * (2**14 - 28) +
|
|
b"\r\n\r\n")
|
|
assert len(data) == 2**14
|
|
node = node.add_child(ApplicationDataGenerator(data))
|
|
node = node.add_child(ExpectApplicationData())
|
|
node = node.add_child(AlertGenerator(AlertLevel.warning,
|
|
AlertDescription.close_notify))
|
|
# allow for multiple application data records in response
|
|
node = node.add_child(ExpectApplicationData())
|
|
loop = node
|
|
node = node.add_child(ExpectAlert(AlertLevel.warning,
|
|
AlertDescription.close_notify))
|
|
loop.next_sibling = node
|
|
node.next_sibling = ExpectClose()
|
|
conversations["max size plaintext with _8 ciphers"] = conversation
|
|
|
|
conversation = Connect(host, port)
|
|
node = conversation
|
|
node = node.add_child(SetMaxRecordSize(2**16-1))
|
|
ext = {}
|
|
if dhe:
|
|
groups = [GroupName.secp256r1,
|
|
GroupName.ffdhe2048]
|
|
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
|
|
.create(groups)
|
|
ext[ExtensionType.signature_algorithms] = \
|
|
SignatureAlgorithmsExtension().create(SIG_ALL)
|
|
ext[ExtensionType.signature_algorithms_cert] = \
|
|
SignatureAlgorithmsCertExtension().create(SIG_ALL)
|
|
ciphers = [CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CCM,
|
|
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CCM,
|
|
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
|
|
else:
|
|
ext = None
|
|
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CCM,
|
|
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
|
|
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
|
|
node = node.add_child(ExpectServerHello())
|
|
node = node.add_child(ExpectCertificate())
|
|
if dhe:
|
|
node = node.add_child(ExpectServerKeyExchange())
|
|
node = node.add_child(ExpectServerHelloDone())
|
|
node = node.add_child(ClientKeyExchangeGenerator())
|
|
node = node.add_child(ChangeCipherSpecGenerator())
|
|
node = node.add_child(FinishedGenerator())
|
|
node = node.add_child(ExpectChangeCipherSpec())
|
|
node = node.add_child(ExpectFinished())
|
|
data = bytearray(b"GET / HTTP/1.0\r\n" +
|
|
b"X-test: " + b"A" * (2**14 - 28 + 1) +
|
|
b"\r\n\r\n")
|
|
assert len(data) == 2**14 + 1
|
|
node = node.add_child(ApplicationDataGenerator(data))
|
|
node = node.add_child(ExpectAlert(AlertLevel.fatal,
|
|
[AlertDescription.decompression_failure,
|
|
AlertDescription.record_overflow]))
|
|
node.add_child(ExpectClose())
|
|
conversations["too big plaintext"] = conversation
|
|
|
|
conversation = Connect(host, port)
|
|
node = conversation
|
|
node = node.add_child(SetMaxRecordSize(2**16-1))
|
|
ext = {}
|
|
if dhe:
|
|
groups = [GroupName.secp256r1,
|
|
GroupName.ffdhe2048]
|
|
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
|
|
.create(groups)
|
|
ext[ExtensionType.signature_algorithms] = \
|
|
SignatureAlgorithmsExtension().create(SIG_ALL)
|
|
ext[ExtensionType.signature_algorithms_cert] = \
|
|
SignatureAlgorithmsCertExtension().create(SIG_ALL)
|
|
ciphers = [CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8,
|
|
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CCM_8,
|
|
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
|
|
else:
|
|
ext = None
|
|
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CCM_8,
|
|
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
|
|
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
|
|
node = node.add_child(ExpectServerHello())
|
|
node = node.add_child(ExpectCertificate())
|
|
if dhe:
|
|
node = node.add_child(ExpectServerKeyExchange())
|
|
node = node.add_child(ExpectServerHelloDone())
|
|
node = node.add_child(ClientKeyExchangeGenerator())
|
|
node = node.add_child(ChangeCipherSpecGenerator())
|
|
node = node.add_child(FinishedGenerator())
|
|
node = node.add_child(ExpectChangeCipherSpec())
|
|
node = node.add_child(ExpectFinished())
|
|
data = bytearray(b"GET / HTTP/1.0\r\n" +
|
|
b"X-test: " + b"A" * (2**14 - 28 + 1) +
|
|
b"\r\n\r\n")
|
|
assert len(data) == 2**14 + 1
|
|
node = node.add_child(ApplicationDataGenerator(data))
|
|
node = node.add_child(ExpectAlert(AlertLevel.fatal,
|
|
[AlertDescription.decompression_failure,
|
|
AlertDescription.record_overflow]))
|
|
node.add_child(ExpectClose())
|
|
conversations["too big plaintext with _8 ciphers"] = conversation
|
|
|
|
conversation = Connect(host, port)
|
|
node = conversation
|
|
node = node.add_child(SetMaxRecordSize(2**16-1))
|
|
ext = {}
|
|
if dhe:
|
|
groups = [GroupName.secp256r1,
|
|
GroupName.ffdhe2048]
|
|
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
|
|
.create(groups)
|
|
ext[ExtensionType.signature_algorithms] = \
|
|
SignatureAlgorithmsExtension().create(SIG_ALL)
|
|
ext[ExtensionType.signature_algorithms_cert] = \
|
|
SignatureAlgorithmsCertExtension().create(SIG_ALL)
|
|
ciphers = [CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CCM,
|
|
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CCM,
|
|
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
|
|
else:
|
|
ext = None
|
|
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CCM,
|
|
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
|
|
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
|
|
node = node.add_child(ExpectServerHello())
|
|
node = node.add_child(ExpectCertificate())
|
|
if dhe:
|
|
node = node.add_child(ExpectServerKeyExchange())
|
|
node = node.add_child(ExpectServerHelloDone())
|
|
node = node.add_child(ClientKeyExchangeGenerator())
|
|
node = node.add_child(ChangeCipherSpecGenerator())
|
|
node = node.add_child(FinishedGenerator())
|
|
node = node.add_child(ExpectChangeCipherSpec())
|
|
node = node.add_child(ExpectFinished())
|
|
data = bytearray(b"GET / HTTP/1.0\r\n" +
|
|
b"X-test: " + b"A" * (2**14 + 1024 - 28) +
|
|
b"\r\n\r\n")
|
|
assert len(data) == 2**14 + 1024
|
|
node = node.add_child(ApplicationDataGenerator(data))
|
|
node = node.add_child(ExpectAlert(AlertLevel.fatal,
|
|
[AlertDescription.decompression_failure,
|
|
AlertDescription.record_overflow]))
|
|
node.add_child(ExpectClose())
|
|
conversations["too big plaintext - max compress"] = conversation
|
|
|
|
conversation = Connect(host, port)
|
|
node = conversation
|
|
node = node.add_child(SetMaxRecordSize(2**16-1))
|
|
ext = {}
|
|
if dhe:
|
|
groups = [GroupName.secp256r1,
|
|
GroupName.ffdhe2048]
|
|
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
|
|
.create(groups)
|
|
ext[ExtensionType.signature_algorithms] = \
|
|
SignatureAlgorithmsExtension().create(SIG_ALL)
|
|
ext[ExtensionType.signature_algorithms_cert] = \
|
|
SignatureAlgorithmsCertExtension().create(SIG_ALL)
|
|
ciphers = [CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8,
|
|
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CCM_8,
|
|
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
|
|
else:
|
|
ext = None
|
|
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CCM_8,
|
|
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
|
|
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
|
|
node = node.add_child(ExpectServerHello())
|
|
node = node.add_child(ExpectCertificate())
|
|
if dhe:
|
|
node = node.add_child(ExpectServerKeyExchange())
|
|
node = node.add_child(ExpectServerHelloDone())
|
|
node = node.add_child(ClientKeyExchangeGenerator())
|
|
node = node.add_child(ChangeCipherSpecGenerator())
|
|
node = node.add_child(FinishedGenerator())
|
|
node = node.add_child(ExpectChangeCipherSpec())
|
|
node = node.add_child(ExpectFinished())
|
|
data = bytearray(b"GET / HTTP/1.0\r\n" +
|
|
b"X-test: " + b"A" * (2**14 + 1024 - 28) +
|
|
b"\r\n\r\n")
|
|
assert len(data) == 2**14 + 1024
|
|
node = node.add_child(ApplicationDataGenerator(data))
|
|
node = node.add_child(ExpectAlert(AlertLevel.fatal,
|
|
[AlertDescription.decompression_failure,
|
|
AlertDescription.record_overflow]))
|
|
node.add_child(ExpectClose())
|
|
conversations["too big plaintext - max compress with _8 ciphers"] = conversation
|
|
|
|
conversation = Connect(host, port)
|
|
node = conversation
|
|
node = node.add_child(SetMaxRecordSize(2**16-1))
|
|
ext = {}
|
|
if dhe:
|
|
groups = [GroupName.secp256r1,
|
|
GroupName.ffdhe2048]
|
|
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
|
|
.create(groups)
|
|
ext[ExtensionType.signature_algorithms] = \
|
|
SignatureAlgorithmsExtension().create(SIG_ALL)
|
|
ext[ExtensionType.signature_algorithms_cert] = \
|
|
SignatureAlgorithmsCertExtension().create(SIG_ALL)
|
|
ciphers = [CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CCM,
|
|
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CCM,
|
|
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
|
|
else:
|
|
ext = None
|
|
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CCM,
|
|
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
|
|
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
|
|
node = node.add_child(ExpectServerHello())
|
|
node = node.add_child(ExpectCertificate())
|
|
if dhe:
|
|
node = node.add_child(ExpectServerKeyExchange())
|
|
node = node.add_child(ExpectServerHelloDone())
|
|
node = node.add_child(ClientKeyExchangeGenerator())
|
|
node = node.add_child(ChangeCipherSpecGenerator())
|
|
node = node.add_child(FinishedGenerator())
|
|
node = node.add_child(ExpectChangeCipherSpec())
|
|
node = node.add_child(ExpectFinished())
|
|
data = bytearray(b"GET / HTTP/1.0\r\n" +
|
|
b"X-test: " + b"A" * (2**14 + 1024 - 28 + 1) +
|
|
b"\r\n\r\n")
|
|
assert len(data) == 2**14 + 1024 + 1
|
|
node = node.add_child(ApplicationDataGenerator(data))
|
|
node = node.add_child(ExpectAlert(AlertLevel.fatal,
|
|
AlertDescription.record_overflow))
|
|
node.add_child(ExpectClose())
|
|
conversations["too big plaintext - above TLSCompressed max"] = conversation
|
|
|
|
conversation = Connect(host, port)
|
|
node = conversation
|
|
node = node.add_child(SetMaxRecordSize(2**16-1))
|
|
ext = {}
|
|
if dhe:
|
|
groups = [GroupName.secp256r1,
|
|
GroupName.ffdhe2048]
|
|
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
|
|
.create(groups)
|
|
ext[ExtensionType.signature_algorithms] = \
|
|
SignatureAlgorithmsExtension().create(SIG_ALL)
|
|
ext[ExtensionType.signature_algorithms_cert] = \
|
|
SignatureAlgorithmsCertExtension().create(SIG_ALL)
|
|
ciphers = [CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8,
|
|
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CCM_8,
|
|
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
|
|
else:
|
|
ext = None
|
|
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CCM_8,
|
|
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
|
|
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
|
|
node = node.add_child(ExpectServerHello())
|
|
node = node.add_child(ExpectCertificate())
|
|
if dhe:
|
|
node = node.add_child(ExpectServerKeyExchange())
|
|
node = node.add_child(ExpectServerHelloDone())
|
|
node = node.add_child(ClientKeyExchangeGenerator())
|
|
node = node.add_child(ChangeCipherSpecGenerator())
|
|
node = node.add_child(FinishedGenerator())
|
|
node = node.add_child(ExpectChangeCipherSpec())
|
|
node = node.add_child(ExpectFinished())
|
|
data = bytearray(b"GET / HTTP/1.0\r\n" +
|
|
b"X-test: " + b"A" * (2**14 + 1024 - 28 + 1) +
|
|
b"\r\n\r\n")
|
|
assert len(data) == 2**14 + 1024 + 1
|
|
node = node.add_child(ApplicationDataGenerator(data))
|
|
node = node.add_child(ExpectAlert(AlertLevel.fatal,
|
|
AlertDescription.record_overflow))
|
|
node.add_child(ExpectClose())
|
|
conversations["too big plaintext - above TLSCompressed max with _8 ciphers"] = conversation
|
|
|
|
# fuzz the tag (last 16 bytes or last 8 bytes in case of _8 ciphers)
|
|
for n in [17, 9]:
|
|
for val in [0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80]:
|
|
for pos in range(-1, -n, -1):
|
|
conversation = Connect(host, port)
|
|
node = conversation
|
|
ext = {}
|
|
if dhe:
|
|
groups = [GroupName.secp256r1,
|
|
GroupName.ffdhe2048]
|
|
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
|
|
.create(groups)
|
|
ext[ExtensionType.signature_algorithms] = \
|
|
SignatureAlgorithmsExtension().create(SIG_ALL)
|
|
ext[ExtensionType.signature_algorithms_cert] = \
|
|
SignatureAlgorithmsCertExtension().create(SIG_ALL)
|
|
if n == 17:
|
|
ciphers = [CipherSuite.TLS_DHE_RSA_WITH_AES_128_CCM,
|
|
CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CCM]
|
|
else:
|
|
ciphers = [CipherSuite.TLS_DHE_RSA_WITH_AES_256_CCM_8,
|
|
CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_256_CCM_8]
|
|
else:
|
|
ext = None
|
|
if n == 17:
|
|
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CCM]
|
|
else:
|
|
ciphers = [CipherSuite.TLS_RSA_WITH_AES_256_CCM_8]
|
|
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
|
|
node = node.add_child(ExpectServerHello())
|
|
node = node.add_child(ExpectCertificate())
|
|
if dhe:
|
|
node = node.add_child(ExpectServerKeyExchange())
|
|
node = node.add_child(ExpectServerHelloDone())
|
|
node = node.add_child(ClientKeyExchangeGenerator())
|
|
node = node.add_child(ChangeCipherSpecGenerator())
|
|
node = node.add_child(FinishedGenerator())
|
|
node = node.add_child(ExpectChangeCipherSpec())
|
|
node = node.add_child(ExpectFinished())
|
|
msg = ApplicationDataGenerator(
|
|
bytearray(b"GET / HTTP/1.0\r\n\r\n"))
|
|
node = node.add_child(fuzz_encrypted_message(msg, xors={pos:val}))
|
|
node = node.add_child(ExpectAlert(AlertLevel.fatal,
|
|
AlertDescription.bad_record_mac))
|
|
node.add_child(ExpectClose())
|
|
conversations["fuzz tag with {0} on pos {1} - using cipher with {2} byte tag".format(val, pos, n-1)] \
|
|
= conversation
|
|
|
|
# too small message handling
|
|
for val in range(16):
|
|
conversation = Connect(host, port)
|
|
node = conversation
|
|
ext = {}
|
|
if dhe:
|
|
groups = [GroupName.secp256r1,
|
|
GroupName.ffdhe2048]
|
|
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
|
|
.create(groups)
|
|
ext[ExtensionType.signature_algorithms] = \
|
|
SignatureAlgorithmsExtension().create(SIG_ALL)
|
|
ext[ExtensionType.signature_algorithms_cert] = \
|
|
SignatureAlgorithmsCertExtension().create(SIG_ALL)
|
|
ciphers = [CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CCM,
|
|
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CCM,
|
|
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
|
|
else:
|
|
ext = None
|
|
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CCM,
|
|
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
|
|
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
|
|
node = node.add_child(ExpectServerHello())
|
|
node = node.add_child(ExpectCertificate())
|
|
if dhe:
|
|
node = node.add_child(ExpectServerKeyExchange())
|
|
node = node.add_child(ExpectServerHelloDone())
|
|
node = node.add_child(ClientKeyExchangeGenerator())
|
|
node = node.add_child(ChangeCipherSpecGenerator())
|
|
node = node.add_child(FinishedGenerator())
|
|
node = node.add_child(ExpectChangeCipherSpec())
|
|
node = node.add_child(ExpectFinished())
|
|
# any byte value will do, a1 chosen at random
|
|
msg = PlaintextMessageGenerator(ContentType.application_data,
|
|
bytearray([0xa1]*val))
|
|
node = node.add_child(msg)
|
|
node = node.add_child(ExpectAlert(AlertLevel.fatal,
|
|
AlertDescription.bad_record_mac))
|
|
node.add_child(ExpectClose())
|
|
conversations["{0} bytes long ciphertext".format(val)] \
|
|
= conversation
|
|
|
|
# too small message handling against _8 ciphers
|
|
for val in range(8):
|
|
conversation = Connect(host, port)
|
|
node = conversation
|
|
ext = {}
|
|
if dhe:
|
|
groups = [GroupName.secp256r1,
|
|
GroupName.ffdhe2048]
|
|
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
|
|
.create(groups)
|
|
ext[ExtensionType.signature_algorithms] = \
|
|
SignatureAlgorithmsExtension().create(SIG_ALL)
|
|
ext[ExtensionType.signature_algorithms_cert] = \
|
|
SignatureAlgorithmsCertExtension().create(SIG_ALL)
|
|
ciphers = [CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8,
|
|
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CCM_8,
|
|
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
|
|
else:
|
|
ext = None
|
|
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CCM_8,
|
|
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
|
|
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
|
|
node = node.add_child(ExpectServerHello())
|
|
node = node.add_child(ExpectCertificate())
|
|
if dhe:
|
|
node = node.add_child(ExpectServerKeyExchange())
|
|
node = node.add_child(ExpectServerHelloDone())
|
|
node = node.add_child(ClientKeyExchangeGenerator())
|
|
node = node.add_child(ChangeCipherSpecGenerator())
|
|
node = node.add_child(FinishedGenerator())
|
|
node = node.add_child(ExpectChangeCipherSpec())
|
|
node = node.add_child(ExpectFinished())
|
|
# any byte value will do, a1 chosen at random
|
|
msg = PlaintextMessageGenerator(ContentType.application_data,
|
|
bytearray([0xa1]*val))
|
|
node = node.add_child(msg)
|
|
node = node.add_child(ExpectAlert(AlertLevel.fatal,
|
|
AlertDescription.bad_record_mac))
|
|
node.add_child(ExpectClose())
|
|
conversations["{0} bytes long ciphertext against _8 ciphers".format(val)] \
|
|
= 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("This script runs fuzzing tests against TLS1.2 AES-CCM ciphers")
|
|
|
|
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()
|