def test_is_match(self):
exp = ExpectApplicationData()
msg = Message(ContentType.application_data,
bytearray(0))
self.assertTrue(exp.is_match(msg))
def test_process(self):
exp = ExpectApplicationData()
state = ConnectionState()
msg = Message(ContentType.application_data,
bytearray(0))
exp.process(state, msg)
def test_process_with_non_matching_data(self):
exp = ExpectApplicationData(bytearray(b"hello"))
state = ConnectionState()
msg = Message(ContentType.application_data,
bytearray(b"bye"))
self.assertTrue(exp.is_match(msg))
with self.assertRaises(AssertionError):
exp.process(state, msg)
def test___init__(self):
exp = ExpectApplicationData()
self.assertTrue(exp.is_expect())
self.assertFalse(exp.is_command())
self.assertFalse(exp.is_generator())
def main():
"""Check if malformed messages related to client certs are rejected."""
conversations = {}
host = "localhost"
port = 4433
run_exclude = set()
private_key = None
cert = None
argv = sys.argv[1:]
opts, args = getopt.getopt(argv, "h:p:e:k:c:", ["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 == '--help':
help_msg()
sys.exit(0)
elif opt == '-k':
text_key = open(arg, 'rb').read()
if sys.version_info[0] >= 3:
text_key = str(text_key, 'utf-8')
private_key = parsePEMKey(text_key, private=True)
elif opt == '-c':
text_cert = open(arg, 'rb').read()
if sys.version_info[0] >= 3:
text_cert = str(text_cert, 'utf-8')
cert = X509()
cert.parse(text_cert)
else:
raise ValueError("Unknown option: {0}".format(opt))
if not private_key:
raise ValueError("Specify private key file using -k")
if not cert:
raise ValueError("Specify certificate file using -c")
if args:
run_only = set(args)
else:
run_only = None
# sanity check for Client Certificates
conversation = Connect(host, port)
node = conversation
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
ext = {ExtensionType.signature_algorithms :
SignatureAlgorithmsExtension().create([
(getattr(HashAlgorithm, x),
SignatureAlgorithm.rsa) for x in ['sha512', 'sha384', 'sha256',
'sha224', 'sha1', 'md5']])}
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(ClientKeyExchangeGenerator())
node = node.add_child(CertificateVerifyGenerator(private_key))
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(b"GET / HTTP/1.0\n\n"))
node = node.add_child(ExpectApplicationData())
node = node.add_child(AlertGenerator(AlertDescription.close_notify))
node = node.add_child(ExpectClose())
node.next_sibling = ExpectAlert()
node.next_sibling.add_child(ExpectClose())
conversations["sanity"] = conversation
# sanity check for no client certificate
conversation = Connect(host, port)
node = conversation
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
ext = {ExtensionType.signature_algorithms :
SignatureAlgorithmsExtension().create([
(getattr(HashAlgorithm, x),
SignatureAlgorithm.rsa) for x in ['sha512', 'sha384', 'sha256',
'sha224', 'sha1', 'md5']])}
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(CertificateGenerator(None))
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(b"GET / HTTP/1.0\n\n"))
node = node.add_child(ExpectApplicationData())
node = node.add_child(AlertGenerator(AlertDescription.close_notify))
node = node.add_child(ExpectClose())
node.next_sibling = ExpectAlert()
node.next_sibling.add_child(ExpectClose())
conversations["sanity - no client cert"] = conversation
for i in range(1, 0x100):
conversation = Connect(host, port)
node = conversation
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
ext = {ExtensionType.signature_algorithms :
SignatureAlgorithmsExtension().create([
(getattr(HashAlgorithm, x),
SignatureAlgorithm.rsa) for x in ['sha512', 'sha384', 'sha256',
'sha224', 'sha1', 'md5']])}
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
node = node.add_child(fuzz_message(CertificateGenerator(X509CertChain([cert])),
xors={7: i}))
node = node.add_child(ClientKeyExchangeGenerator())
node = node.add_child(CertificateVerifyGenerator(private_key))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
node = node.add_child(ExpectAlert(AlertLevel.fatal,
AlertDescription.decode_error))
node = node.add_child(ExpectClose())
conversations["fuzz certificates length with {0}".format(i)] = conversation
for i in range(1, 0x100):
conversation = Connect(host, port)
node = conversation
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
ext = {ExtensionType.signature_algorithms :
SignatureAlgorithmsExtension().create([
(getattr(HashAlgorithm, x),
SignatureAlgorithm.rsa) for x in ['sha512', 'sha384', 'sha256',
'sha224', 'sha1', 'md5']])}
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
node = node.add_child(fuzz_message(CertificateGenerator(X509CertChain([cert])),
xors={9: i}))
node = node.add_child(ClientKeyExchangeGenerator())
node = node.add_child(CertificateVerifyGenerator(private_key))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
node = node.add_child(ExpectAlert(AlertLevel.fatal,
AlertDescription.decode_error))
node = node.add_child(ExpectClose())
conversations["fuzz first certificate length with {0}".format(i)] = conversation
# fuzz empty certificates message
for i in range(1, 0x100):
conversation = Connect(host, port)
node = conversation
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
ext = {ExtensionType.signature_algorithms :
SignatureAlgorithmsExtension().create([
(getattr(HashAlgorithm, x),
SignatureAlgorithm.rsa) for x in ['sha512', 'sha384', 'sha256',
'sha224', 'sha1', 'md5']])}
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
node = node.add_child(fuzz_message(CertificateGenerator(None),
xors={-1:i}))
node = node.add_child(ClientKeyExchangeGenerator())
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
node = node.add_child(ExpectAlert(AlertLevel.fatal,
AlertDescription.decode_error))
node = node.add_child(ExpectClose())
conversations["fuzz empty certificates length - {0}"
.format(i)] = conversation
# sanity check for no client certificate
conversation = Connect(host, port)
node = conversation
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
ext = {ExtensionType.signature_algorithms :
SignatureAlgorithmsExtension().create([
(getattr(HashAlgorithm, x),
SignatureAlgorithm.rsa) for x in ['sha512', 'sha384', 'sha256',
'sha224', 'sha1', 'md5']])}
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
# technically, it's an invalid encoding as the items are defined as
# <1..2^24-1>, but some implementations, like OpenSSL, accept it;
# don't be too precise for now
msg = CertificateGenerator()
msg = pad_handshake(msg, 3)
msg = fuzz_message(msg, substitutions={-4:3})
node = node.add_child(msg)
node = node.add_child(ClientKeyExchangeGenerator())
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
node = node.add_child(ExpectChangeCipherSpec())
# if the implementation is proper, it will reject the message
node.next_sibling = ExpectAlert(AlertLevel.fatal,
AlertDescription.decode_error)
node.next_sibling.add_child(ExpectClose())
node = node.add_child(ExpectFinished())
node = node.add_child(ApplicationDataGenerator(b"GET / HTTP/1.0\n\n"))
node = node.add_child(ExpectApplicationData())
node = node.add_child(AlertGenerator(AlertDescription.close_notify))
node = node.add_child(ExpectClose())
node.next_sibling = ExpectAlert()
node.next_sibling.add_child(ExpectClose())
conversations["sanity - empty client cert"] = conversation
# fuzz empty certificate message
for i, j, k in ((i, j, k) for i in range(8)
for j in range(8) for k in range(6)):
if i == 3 and j == 0 or k == 0 and i == 0:
continue
conversation = Connect(host, port)
node = conversation
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
ext = {ExtensionType.signature_algorithms :
SignatureAlgorithmsExtension().create([
(getattr(HashAlgorithm, x),
SignatureAlgorithm.rsa) for x in ['sha512', 'sha384', 'sha256',
'sha224', 'sha1', 'md5']])}
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
msg = CertificateGenerator()
msg = pad_handshake(msg, k)
subs = {6: i}
if k >= 3:
subs[9] = j
msg = fuzz_message(msg, substitutions=subs)
node = node.add_child(msg)
node = node.add_child(ClientKeyExchangeGenerator())
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
node = node.add_child(ExpectAlert(AlertLevel.fatal,
AlertDescription.decode_error))
node = node.add_child(ExpectClose())
conversations["fuzz empty certificate - overall {2}, certs {0}, cert {1}"
.format(i, j, k + 3)] = conversation
# run the conversation
good = 0
bad = 0
failed = []
# make sure that sanity test is run first and last
# to verify that server was running and kept running throught
sanity_test = ('sanity', conversations['sanity'])
ordered_tests = chain([sanity_test],
filter(lambda x: x[0] != 'sanity',
conversations.items()),
[sanity_test])
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
try:
runner.run()
except:
print("Error while processing")
print(traceback.format_exc())
res = False
if res:
good += 1
print("OK\n")
else:
bad += 1
failed.append(c_name)
print("Malformed Certificate test version 1\n")
print("Test end")
print("successful: {0}".format(good))
print("failed: {0}".format(bad))
failed_sorted = sorted(failed, key=natural_sort_keys)
print(" {0}".format('\n '.join(repr(i) for i in failed_sorted)))
if bad > 0:
sys.exit(1)
def main():
host = "localhost"
port = 4433
num_limit = None
run_exclude = set()
ext_exclude = set()
exp_sup_groups = False
argv = sys.argv[1:]
opts, args = getopt.getopt(argv, "h:p:e:n:", ["help", "exc=", "supgroup"])
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 == '-n':
num_limit = int(arg)
elif opt == '--exc':
ext_exclude.add(int(arg))
elif opt == '--supgroup':
exp_sup_groups = 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
ciphers = [
CipherSuite.TLS_AES_128_GCM_SHA256,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
ext = {}
groups = [GroupName.secp256r1]
key_shares = []
for group in groups:
key_shares.append(key_share_gen(group))
ext[ExtensionType.key_share] = ClientKeyShareExtension().create(key_shares)
ext[ExtensionType.supported_versions] = SupportedVersionsExtension()\
.create([TLS_1_3_DRAFT])
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
sig_algs = [
SignatureScheme.rsa_pss_rsae_sha256, SignatureScheme.rsa_pss_pss_sha256
]
ext[ExtensionType.signature_algorithms] = SignatureAlgorithmsExtension()\
.create(sig_algs)
ext[ExtensionType.signature_algorithms_cert] = SignatureAlgorithmsCertExtension()\
.create(RSA_SIG_ALL)
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectEncryptedExtensions())
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectCertificateVerify())
node = node.add_child(ExpectFinished())
node = node.add_child(FinishedGenerator())
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\r\n\r\n")))
# This message is optional and may show up 0 to many times
cycle = ExpectNewSessionTicket()
node = node.add_child(cycle)
node.add_child(cycle)
node.next_sibling = ExpectApplicationData()
node = node.next_sibling.add_child(
AlertGenerator(AlertLevel.warning, AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
conversations["sanity"] = conversation
expect_exts_sh = {
ExtensionType.key_share: None,
ExtensionType.supported_versions: None
}
expect_exts_ee = {}
if exp_sup_groups:
expect_exts_ee[ExtensionType.supported_groups] = None
unassigned_ext_id = []
unassigned_ext_id.extend(range(2, 5))
unassigned_ext_id.extend(range(6, 10))
unassigned_ext_id.extend([11, 12, 17])
unassigned_ext_id.extend(range(22, 28))
unassigned_ext_id.extend(range(29, 41))
unassigned_ext_id.extend([46])
unassigned_ext_id.extend(range(52, 65536))
# Exclude extensions from a list of unassigned ones
unassigned_ext_id = [
ext for ext in unassigned_ext_id if ext not in ext_exclude
]
chunk_size = 4096
for ext_chunk in (unassigned_ext_id[j:j + chunk_size]
for j in range(0, len(unassigned_ext_id), chunk_size)):
conversation = Connect(host, port)
node = conversation
ciphers = [
CipherSuite.TLS_AES_128_GCM_SHA256,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
ext = OrderedDict()
for ext_id in ext_chunk:
ext[ext_id] = AutoEmptyExtension()
if ExtensionType.renegotiation_info in ext:
ext[ExtensionType.renegotiation_info] = None
groups = [GroupName.secp256r1]
key_shares = []
for group in groups:
key_shares.append(key_share_gen(group))
ext[ExtensionType.key_share] = ClientKeyShareExtension().create(
key_shares)
ext[ExtensionType.supported_versions] = SupportedVersionsExtension()\
.create([TLS_1_3_DRAFT])
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
sig_algs = [
SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_pss_sha256
]
ext[ExtensionType.signature_algorithms] = SignatureAlgorithmsExtension()\
.create(sig_algs)
ext[ExtensionType.signature_algorithms_cert] = SignatureAlgorithmsCertExtension()\
.create(RSA_SIG_ALL)
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello(extensions=expect_exts_sh))
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(
ExpectEncryptedExtensions(extensions=expect_exts_ee))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectCertificateVerify())
node = node.add_child(ExpectFinished())
node = node.add_child(FinishedGenerator())
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\r\n\r\n")))
# This message is optional and may show up 0 to many times
cycle = ExpectNewSessionTicket()
node = node.add_child(cycle)
node.add_child(cycle)
node.next_sibling = ExpectApplicationData()
node = node.next_sibling.add_child(
AlertGenerator(AlertLevel.warning, AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
conversations[
"empty unassigned extensions, ids in range from {0} to {1}".format(
ext_chunk[0], ext_chunk[-1])] = conversation
chunk_size = 1024
for ext_chunk in (unassigned_ext_id[j:j + chunk_size]
for j in range(0, len(unassigned_ext_id), chunk_size)):
conversation = Connect(host, port)
node = conversation
ciphers = [
CipherSuite.TLS_AES_128_GCM_SHA256,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
random_payload = structured_random_iter(max_length=2**6,
count=len(ext_chunk))
ext = OrderedDict()
for ext_id in ext_chunk:
ext[ext_id] = TLSExtension(extType=ext_id).create(
next(random_payload).data)
if ExtensionType.renegotiation_info in ext:
ext[ExtensionType.renegotiation_info] = None
groups = [GroupName.secp256r1]
key_shares = []
for group in groups:
key_shares.append(key_share_gen(group))
ext[ExtensionType.key_share] = ClientKeyShareExtension().create(
key_shares)
ext[ExtensionType.supported_versions] = SupportedVersionsExtension()\
.create([TLS_1_3_DRAFT])
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
sig_algs = [
SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_pss_sha256
]
ext[ExtensionType.signature_algorithms] = SignatureAlgorithmsExtension()\
.create(sig_algs)
ext[ExtensionType.signature_algorithms_cert] = SignatureAlgorithmsCertExtension()\
.create(RSA_SIG_ALL)
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello(extensions=expect_exts_sh))
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(
ExpectEncryptedExtensions(extensions=expect_exts_ee))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectCertificateVerify())
node = node.add_child(ExpectFinished())
node = node.add_child(FinishedGenerator())
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\r\n\r\n")))
# This message is optional and may show up 0 to many times
cycle = ExpectNewSessionTicket()
node = node.add_child(cycle)
node.add_child(cycle)
node.next_sibling = ExpectApplicationData()
node = node.next_sibling.add_child(
AlertGenerator(AlertLevel.warning, AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
conversations[
"unassigned extensions with random payload, ids in range from {0} to {1}"
.format(ext_chunk[0], ext_chunk[-1])] = conversation
# run the conversation
good = 0
bad = 0
failed = []
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'])]
regular_tests = [(k, v) for k, v in conversations.items() if k != 'sanity']
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
try:
runner.run()
except Exception:
print("Error while processing")
print(traceback.format_exc())
res = False
if res:
good += 1
print("OK\n")
else:
bad += 1
failed.append(c_name)
print("Test with large number of unassigned extensions in TLS 1.3")
print("Verify that server does not reply to any of these extensions")
print("and establish regular session.\n")
print("version: {0}\n".format(version))
print("Test end")
print("successful: {0}".format(good))
print("failed: {0}".format(bad))
failed_sorted = sorted(failed, key=natural_sort_keys)
print(" {0}".format('\n '.join(repr(i) for i in failed_sorted)))
if bad > 0:
sys.exit(1)
def main():
"""check if atypical padding is accepted by server"""
host = "localhost"
port = 4433
num_limit = None
run_exclude = set()
expected_failures = {}
last_exp_tmp = None
dhe = False
echo = False
argv = sys.argv[1:]
opts, args = getopt.getopt(argv, "h:p:e:x:X:n:d", ["help", "echo-headers"])
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)
elif opt == '--echo-headers':
echo = True
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
if dhe:
ext = {}
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:
ext = None
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(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
# check if SHA256 ciphers work
conversation = Connect(host, port)
node = conversation
if dhe:
ext = {}
add_dhe_extensions(ext)
ciphers = [CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA256,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
else:
ext = None
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA256,
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 - SHA256 HMAC"] = conversation
# check if SHA384 ciphers work
conversation = Connect(host, port)
node = conversation
ext = {}
add_dhe_extensions(ext)
ciphers = [CipherSuite.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectCertificate())
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 - SHA384 HMAC"] = conversation
# check if Encrypt Then Mac works
conversation = Connect(host, port)
node = conversation
ext = {ExtensionType.encrypt_then_mac: AutoEmptyExtension()}
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))
extensions = {ExtensionType.encrypt_then_mac:None,
ExtensionType.renegotiation_info:None}
node = node.add_child(ExpectServerHello(extensions=extensions))
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 - encrypt then MAC"] = conversation
# maximum size of padding
conversation = Connect(host, port)
node = conversation
if dhe:
ext = {}
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:
ext = None
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(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())
text = b"GET / HTTP/1.0\r\nX-bad: a\r\n\r\n"
hmac_tag_length = 20
block_size = 16
# make sure that padding has full blocks to work with
assert (len(text) + hmac_tag_length) % block_size == 0
node = node.add_child(fuzz_padding(ApplicationDataGenerator(text),
min_length=255))
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()
node = node.add_child(ExpectClose())
conversations["256 bytes of padding"] = \
conversation
# maximum size of padding with SHA256
conversation = Connect(host, port)
node = conversation
if dhe:
ext = {}
add_dhe_extensions(ext)
ciphers = [CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA256,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
else:
ext = None
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA256,
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())
text = b"GET / HTTP/1.0\r\nX-bad: aaaaa\r\n\r\n"
hmac_tag_length = 32
block_size = 16
# make sure that padding has full blocks to work with
assert (len(text) + hmac_tag_length) % block_size == 0, len(text)
node = node.add_child(fuzz_padding(ApplicationDataGenerator(text),
min_length=255))
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()
node = node.add_child(ExpectClose())
conversations["256 bytes of padding with SHA256"] = \
conversation
# ... and SHA384
conversation = Connect(host, port)
node = conversation
ext = {}
groups = [GroupName.secp256r1,
GroupName.ffdhe2048]
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(RSA_SIG_ALL)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
ciphers = [CipherSuite.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectCertificate())
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())
text = b"GET / HTTP/1.0\r\nX-bad: aaaaa\r\n\r\n"
hmac_tag_length = 48
block_size = 16
# make sure that padding has full blocks to work with
assert (len(text) + hmac_tag_length) % block_size == 0, len(text)
node = node.add_child(fuzz_padding(ApplicationDataGenerator(text),
min_length=255))
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["256 bytes of padding with SHA384"] = \
conversation
# longest possible padding with max size Application data
conversation = Connect(host, port)
node = conversation
if dhe:
ext = {}
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:
ext = None
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(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())
text = b"GET / HTTP/1.0\r\nX-bad: a\r\n"
for i in range(3):
text += b"X-ba" + compatAscii2Bytes(str(i)) + b": " + \
b"a" * (4096 - 9) + b"\r\n"
text += b"X-ba3: " + b"a" * (4096 - 37) + b"\r\n"
text += b"\r\n"
assert len(text) == 2**14, len(text)
node = node.add_child(fuzz_padding(ApplicationDataGenerator(text),
min_length=252))
if echo:
node = node.add_child(ExpectApplicationData(size=2**14))
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()
node = node.add_child(ExpectClose())
conversations["2^14 bytes of AppData with 253 bytes of padding (SHA1)"] = \
conversation
# longest possible padding with max size Application data (and EtM)
conversation = Connect(host, port)
node = conversation
ext = {ExtensionType.encrypt_then_mac: AutoEmptyExtension()}
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))
extensions = {ExtensionType.encrypt_then_mac:None,
ExtensionType.renegotiation_info:None}
node = node.add_child(ExpectServerHello(extensions=extensions))
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())
text = b"GET / HTTP/1.0\r\nX-bad: a\r\n"
for i in range(3):
text += b"X-ba" + compatAscii2Bytes(str(i)) + b": " + \
b"a" * (4096 - 9) + b"\r\n"
text += b"X-ba3: " + b"a" * (4096 - 37) + b"\r\n"
text += b"\r\n"
assert len(text) == 2**14, len(text)
node = node.add_child(fuzz_padding(ApplicationDataGenerator(text),
min_length=255))
if echo:
node = node.add_child(ExpectApplicationData(size=2**14))
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()
node = node.add_child(ExpectClose())
conversations["2^14 bytes of AppData with 256 bytes of padding (SHA1 "
"+ Encrypt then MAC)"] = \
conversation
# longest possible padding with max size Application data with SHA256
conversation = Connect(host, port)
node = conversation
if dhe:
ext = {}
add_dhe_extensions(ext)
ciphers = [CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA256,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
else:
ext = None
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA256,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello())
if dhe:
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectCertificate())
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())
text = b"GET / HTTP/1.0\r\nX-bad: a\r\n"
for i in range(3):
text += b"X-ba" + compatAscii2Bytes(str(i)) + b": " + \
b"a" * (4096 - 9) + b"\r\n"
text += b"X-ba3: " + b"a" * (4096 - 37) + b"\r\n"
text += b"\r\n"
assert len(text) == 2**14, len(text)
node = node.add_child(fuzz_padding(ApplicationDataGenerator(text),
min_length=255))
if echo:
node = node.add_child(ExpectApplicationData(size=2**14))
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()
node = node.add_child(ExpectClose())
conversations["2^14 bytes of AppData with 256 bytes of padding (SHA256)"] = \
conversation
conversation = Connect(host, port)
node = conversation
ext = {}
add_dhe_extensions(ext)
ciphers = [CipherSuite.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectCertificate())
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())
text = b"GET / HTTP/1.0\r\nX-bad: a\r\n"
for i in range(3):
text += b"X-ba" + compatAscii2Bytes(str(i)) + b": " + \
b"a" * (4096 - 9) + b"\r\n"
text += b"X-ba3: " + b"a" * (4096 - 37) + b"\r\n"
text += b"\r\n"
assert len(text) == 2**14, len(text)
node = node.add_child(fuzz_padding(ApplicationDataGenerator(text),
min_length=255))
if echo:
node = node.add_child(ExpectApplicationData(size=2**14))
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["2^14 bytes of AppData with 256 bytes of padding (SHA384)"] = \
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'])]
regular_tests = [(k, v) for k, v in conversations.items() if k != 'sanity']
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("Test if server can handle records with large (but valid) padding")
print("Tests both with small records and records that carry maximum amount")
print("of user data.\n")
print("version: {0}\n".format(version))
print("Test end")
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 > 0:
sys.exit(1)
def main():
"""Test if server supports the DHE_RSA key exchange"""
conversations = {}
# sanity check
conversation = Connect("localhost", 4433)
node = conversation
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA]
node = node.add_child(
ClientHelloGenerator(
ciphers, extensions={ExtensionType.renegotiation_info: None}))
node = node.add_child(
ExpectServerHello(version=(3, 3),
extensions={ExtensionType.renegotiation_info: None}))
node = node.add_child(ExpectCertificate())
#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\n\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 check"] = conversation
# check TLSv1.2 ciphers without TLSv1.2 client hello
for cipher in [
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA256,
CipherSuite.TLS_DHE_RSA_WITH_AES_256_CBC_SHA256,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_GCM_SHA256,
CipherSuite.TLS_DHE_RSA_WITH_AES_256_GCM_SHA384,
CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA256,
CipherSuite.TLS_RSA_WITH_AES_256_CBC_SHA256,
CipherSuite.TLS_RSA_WITH_AES_128_GCM_SHA256,
CipherSuite.TLS_RSA_WITH_AES_256_GCM_SHA384
]:
conversation = Connect("localhost", 4433)
node = conversation
ciphers = [cipher]
node = node.add_child(
ClientHelloGenerator(
ciphers,
version=(3, 2),
extensions={ExtensionType.renegotiation_info: None}))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
conversations[CipherSuite.ietfNames[cipher] + " in TLSv1.1"] =\
conversation
good = 0
bad = 0
for conversation_name, conversation in conversations.items():
print("{0} ...".format(conversation_name))
runner = Runner(conversation)
res = True
try:
runner.run()
except:
print("Error while processing")
print(traceback.format_exc())
print("")
res = False
if res:
good += 1
print("OK\n")
else:
bad += 1
print("Test end")
print("successful: {0}".format(good))
print("failed: {0}".format(bad))
if bad > 0:
sys.exit(1)
def main():
host = "localhost"
port = 4433
argv = sys.argv[1:]
opts, args = getopt.getopt(argv, "h:p:", ["help"])
for opt, arg in opts:
if opt == '-h':
host = arg
elif opt == '-p':
port = int(arg)
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
ciphers = [
CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
node = node.add_child(ClientHelloGenerator(ciphers, version=(3, 3)))
node = node.add_child(
ExpectServerHello(extensions={ExtensionType.renegotiation_info: None}))
node = node.add_child(ExpectCertificate())
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\n\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
conversation = Connect(host, port)
node = conversation
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA]
ext = {ExtensionType.renegotiation_info: None}
node = node.add_child(
ClientHelloGenerator(ciphers, version=(3, 3), extensions=ext))
node = node.add_child(
ExpectServerHello(extensions={ExtensionType.renegotiation_info: None}))
node = node.add_child(ExpectCertificate())
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\n\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 w/ext"] = conversation
# test different message types for client hello
for i in range(1, 0x100):
conversation = Connect(host, port)
node = conversation
ciphers = [
CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
hello_gen = ClientHelloGenerator(ciphers, version=(3, 3))
node = node.add_child(fuzz_message(hello_gen, xors={0: i}))
node = node.add_child(
ExpectAlert(level=AlertLevel.fatal,
description=AlertDescription.unexpected_message))
node = node.add_child(ExpectClose())
conversations["Client Hello type fuzz to {0}".format(
1 ^ i)] = conversation
# test invalid sizes for session ID length
for i in range(1, 0x100):
conversation = Connect(host, port)
node = conversation
ciphers = [
CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
hello_gen = ClientHelloGenerator(ciphers, version=(3, 3))
node = node.add_child(fuzz_message(hello_gen, substitutions={38: i}))
node = node.add_child(
ExpectAlert(level=AlertLevel.fatal,
description=AlertDescription.decode_error))
node = node.add_child(ExpectClose())
conversations["session ID len fuzz to {0}".format(i)] = conversation
for i in range(1, 0x100):
conversation = Connect(host, port)
node = conversation
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA]
ext = {ExtensionType.renegotiation_info: None}
hello_gen = ClientHelloGenerator(ciphers,
version=(3, 3),
extensions=ext)
node = node.add_child(fuzz_message(hello_gen, substitutions={38: i}))
node = node.add_child(
ExpectAlert(level=AlertLevel.fatal,
description=AlertDescription.decode_error))
node = node.add_child(ExpectClose())
conversations["session ID len fuzz to {0} w/ext".format(
i)] = conversation
# test invalid sizes for cipher suites length
for i in range(1, 0x100):
conversation = Connect(host, port)
node = conversation
ciphers = [
CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
hello_gen = ClientHelloGenerator(ciphers, version=(3, 3))
node = node.add_child(fuzz_message(hello_gen, xors={40: i}))
node = node.add_child(
ExpectAlert(level=AlertLevel.fatal,
description=AlertDescription.decode_error))
node = node.add_child(ExpectClose())
conversations["cipher suites len fuzz to {0}".format(
4 ^ i)] = conversation
for i in (1, 2, 4, 8, 16, 128, 254, 255):
for j in range(0, 0x100):
conversation = Connect(host, port)
node = conversation
ciphers = [
CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
hello_gen = ClientHelloGenerator(ciphers, version=(3, 3))
node = node.add_child(
fuzz_message(hello_gen, substitutions={
39: i,
40: j
}))
node = node.add_child(
ExpectAlert(level=AlertLevel.fatal,
description=AlertDescription.decode_error))
node = node.add_child(ExpectClose())
conversations["cipher suites len fuzz to {0}".format(
(i << 8) + j)] = conversation
for i in range(1, 0x100):
conversation = Connect(host, port)
node = conversation
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA]
ext = {ExtensionType.renegotiation_info: None}
hello_gen = ClientHelloGenerator(ciphers,
version=(3, 3),
extensions=ext)
node = node.add_child(fuzz_message(hello_gen, xors={40: i}))
node = node.add_child(
ExpectAlert(level=AlertLevel.fatal,
description=AlertDescription.decode_error))
node = node.add_child(ExpectClose())
conversations["cipher suites len fuzz to {0} w/ext".format(
4 ^ i)] = conversation
for i in (1, 2, 4, 8, 16, 128, 254, 255):
for j in range(0, 0x100):
conversation = Connect(host, port)
node = conversation
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA]
ext = {ExtensionType.renegotiation_info: None}
hello_gen = ClientHelloGenerator(ciphers,
version=(3, 3),
extensions=ext)
node = node.add_child(
fuzz_message(hello_gen, substitutions={
39: i,
40: j
}))
node = node.add_child(
ExpectAlert(level=AlertLevel.fatal,
description=AlertDescription.decode_error))
node = node.add_child(ExpectClose())
conversations["cipher suites len fuzz to {0} w/ext".format(
(i << 8) + j)] = conversation
# test invalid sizes for compression methods
for i in range(1, 0x100):
conversation = Connect(host, port)
node = conversation
ciphers = [
CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
hello_gen = ClientHelloGenerator(ciphers, version=(3, 3))
node = node.add_child(fuzz_message(hello_gen, xors={45: i}))
node = node.add_child(
ExpectAlert(level=AlertLevel.fatal,
description=AlertDescription.decode_error))
node = node.add_child(ExpectClose())
conversations["compression methods len fuzz to {0}".format(
1 ^ i)] = conversation
for i in range(1, 0x100):
if 1 ^ i == 8: # this length creates a valid extension-less hello
continue
conversation = Connect(host, port)
node = conversation
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA]
ext = {ExtensionType.renegotiation_info: None}
hello_gen = ClientHelloGenerator(ciphers,
version=(3, 3),
extensions=ext)
node = node.add_child(fuzz_message(hello_gen, xors={43: i}))
node = node.add_child(
ExpectAlert(level=AlertLevel.fatal,
description=AlertDescription.decode_error))
node = node.add_child(ExpectClose())
conversations["compression methods len fuzz to {0} w/ext".format(
1 ^ i)] = conversation
# test invalid sizes for extensions
for i in range(1, 0x100):
conversation = Connect(host, port)
node = conversation
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA]
ext = {ExtensionType.renegotiation_info: None}
hello_gen = ClientHelloGenerator(ciphers,
version=(3, 3),
extensions=ext)
node = node.add_child(fuzz_message(hello_gen, xors={46: i}))
node = node.add_child(
ExpectAlert(level=AlertLevel.fatal,
description=AlertDescription.decode_error))
node = node.add_child(ExpectClose())
conversations["extensions len fuzz to {0}".format(5
^ i)] = conversation
for i in (1, 2, 4, 8, 16, 254, 255):
for j in range(0, 0x100):
conversation = Connect(host, port)
node = conversation
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA]
ext = {ExtensionType.renegotiation_info: None}
hello_gen = ClientHelloGenerator(ciphers,
version=(3, 3),
extensions=ext)
node = node.add_child(
fuzz_message(hello_gen, substitutions={
45: i,
46: j
}))
node = node.add_child(
ExpectAlert(level=AlertLevel.fatal,
description=AlertDescription.decode_error))
node = node.add_child(ExpectClose())
conversations["extensions len fuzz to {0}".format(
(i << 8) + j)] = conversation
# run the conversation
good = 0
bad = 0
failed = []
# make sure that sanity test is run first and last
# to verify that server was running and kept running throught
sanity_test = ('sanity', conversations['sanity'])
ordered_tests = chain([sanity_test],
filter(lambda x: x[0] != 'sanity',
conversations.items()), [sanity_test])
for c_name, c_test in ordered_tests:
if run_only and c_name not in run_only:
continue
print("{0} ...".format(c_name))
runner = Runner(c_test)
res = True
try:
runner.run()
except:
print("Error while processing")
print(traceback.format_exc())
res = False
if res:
good += 1
print("OK")
else:
bad += 1
failed.append(c_name)
print("Test end")
print("successful: {0}".format(good))
print("failed: {0}".format(bad))
failed_sorted = sorted(failed, key=natural_sort_keys)
print(" {0}".format('\n '.join(repr(i) for i in failed_sorted)))
if bad > 0:
sys.exit(1)
def main():
#
# Test interleaving of Application Data with handshake messages,
# requires server to support client initiated renegotiation
#
host = "localhost"
port = 4433
num_limit = None
run_exclude = set()
argv = sys.argv[1:]
opts, args = getopt.getopt(argv, "h:p:e:n:", ["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 == '-n':
num_limit = int(arg)
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
ciphers = [
CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
node = node.add_child(ClientHelloGenerator(ciphers))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectCertificate())
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\n\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
conversation = Connect(host, port)
node = conversation
#ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
# CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA]
node = node.add_child(
ClientHelloGenerator(
ciphers, extensions={ExtensionType.renegotiation_info: None}))
node = node.add_child(
ExpectServerHello(extensions={ExtensionType.renegotiation_info: None}))
node = node.add_child(ExpectCertificate())
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())
# 2nd handshake
node = node.add_child(ResetHandshakeHashes())
node = node.add_child(
ClientHelloGenerator(
[CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA],
session_id=bytearray(0),
extensions={ExtensionType.renegotiation_info: None}))
node = node.add_child(
ExpectServerHello(extensions={ExtensionType.renegotiation_info: None}))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(
ApplicationDataGenerator(bytearray(b"hello server!\n")))
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"hello server!\n")))
#node = node.add_child(ExpectApplicationData(bytearray(b"hello client!\n")))
node = node.add_child(
AlertGenerator(AlertLevel.warning, AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
node.next_sibling.next_sibling = ExpectApplicationData()
conversations["weaved app data and handshake proto"] = conversation
# run the conversation
good = 0
bad = 0
failed = []
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'])]
regular_tests = [(k, v) for k, v in conversations.items() if k != 'sanity']
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
try:
runner.run()
except:
print("Error while processing")
print(traceback.format_exc())
res = False
if res:
good += 1
print("OK\n")
else:
bad += 1
failed.append(c_name)
print("Test end")
print("successful: {0}".format(good))
print("failed: {0}".format(bad))
failed_sorted = sorted(failed, key=natural_sort_keys)
print(" {0}".format('\n '.join(repr(i) for i in failed_sorted)))
if bad > 0:
sys.exit(1)
def main():
"""Test if server provides unique random values in Server Hello."""
host = "localhost"
port = 4433
num_limit = None
run_exclude = set()
repeats = 32
record_split = True
argv = sys.argv[1:]
opts, args = getopt.getopt(argv, "h:p:e:n:z", ["help", "repeat="])
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 == '-n':
num_limit = int(arg)
elif opt == '-z':
record_split = False
elif opt == '--help':
help_msg()
sys.exit(0)
elif opt == '--repeat':
repeats = int(arg)
else:
raise ValueError("Unknown option: {0}".format(opt))
if args:
run_only = set(args)
else:
run_only = None
collected_randoms = []
collected_session_ids = []
variables_check = \
{'ServerHello.random':
collected_randoms,
'ServerHello.session_id':
collected_session_ids}
conversations = {}
conversation = Connect(host, port)
node = conversation
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA]
node = node.add_child(
ClientHelloGenerator(
ciphers, extensions={ExtensionType.renegotiation_info: None}))
node = node.add_child(
ExpectServerHello(extensions={ExtensionType.renegotiation_info: None}))
node = node.add_child(CopyVariables(variables_check))
node = node.add_child(ExpectCertificate())
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\n\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
for prot in [(3, 0), (3, 1), (3, 2), (3, 3)]:
for ssl2 in [True, False]:
conversation = Connect(host,
port,
version=(0, 2) if ssl2 else (3, 0))
node = conversation
ciphers = [
CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
node = node.add_child(
ClientHelloGenerator(ciphers, version=prot, ssl2=ssl2))
if prot > (3, 0):
ext = {ExtensionType.renegotiation_info: None}
else:
ext = None
node = node.add_child(
ExpectServerHello(extensions=ext, version=prot))
node = node.add_child(CopyVariables(variables_check))
node = node.add_child(ExpectCertificate())
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\n\n")))
node = node.add_child(ExpectApplicationData())
if prot < (3, 2) and record_split:
# 1/n-1 record splitting
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["Protocol {0}{1}".format(
prot,
" in SSLv2 compatible ClientHello" if ssl2 else "")] = \
conversation
# run the conversation
good = 0
bad = 0
failed = []
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'])]
regular_tests = [(k, v) for k, v in conversations.items() if k != 'sanity']
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
for i in range(repeats):
print("\"{1}\" repeat {0}...".format(i, c_name))
runner = Runner(c_test)
res = True
try:
runner.run()
except Exception:
print("Error while processing")
print(traceback.format_exc())
res = False
if res:
good += 1
print("OK\n")
else:
bad += 1
failed.append(c_name)
failed_tests = uniqueness_check(variables_check, good + bad)
if failed_tests:
print("\n".join(failed_tests))
else:
print("\n".join("{0} values: OK".format(i) for i in variables_check))
print('')
print("Check if the server provided random values are unique")
print("Checks random and session_id from Server Hello")
print("version: {0}\n".format(version))
print("Test end")
print("successful: {0}".format(good))
print("failed: {0}".format(bad + len(failed_tests)))
failed_sorted = sorted(failed, key=natural_sort_keys)
print(" {0}".format('\n '.join(repr(i) for i in failed_sorted)))
if bad > 0 or failed_tests:
sys.exit(1)
def main():
host = "localhost"
port = 4433
num_limit = None
run_exclude = set()
expected_failures = {}
last_exp_tmp = None
min_ver = (3, 0)
dhe = False
argv = sys.argv[1:]
opts, args = getopt.getopt(argv, "h:p:e:x:X:n:d", ["help", "min-ver="])
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 == '-d':
dhe = True
elif opt == '-n':
num_limit = int(arg)
elif opt == '--help':
help_msg()
sys.exit(0)
elif opt == '--min-ver':
min_ver = protocol_name_to_tuple(arg)
else:
raise ValueError("Unknown option: {0}".format(opt))
if args:
run_only = set(args)
else:
run_only = None
conversations = {}
conversation = Connect(host, port, version=(3, 0))
node = conversation
ext = {}
groups = [GroupName.ffdhe2048]
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(RSA_SIG_ALL)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
if dhe:
ciphers = [
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))
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
expected_cipher = CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA
if dhe:
expected_cipher = CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA
for c_id, name in [(0x0003, "TLS_RSA_EXPORT_WITH_RC4_40_MD5"),
(0x0006, "TLS_RSA_EXPORT_WITH_RC2_CBC_40_MD5"),
(0x0008, "TLS_RSA_EXPORT_WITH_DES40_CBC_SHA"),
(0x000B, "TLS_DH_DSS_EXPORT_WITH_DES40_CBC_SHA"),
(0x000E, "TLS_DH_RSA_EXPORT_WITH_DES40_CBC_SHA"),
(0x0011, "TLS_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA"),
(0x0014, "TLS_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA"),
(0x0017, "TLS_DH_anon_EXPORT_WITH_RC4_40_MD5"),
(0x0019, "TLS_DH_anon_EXPORT_WITH_DES40_CBC_SHA"),
(0x0026, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA"),
(0x0027, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_SHA"),
(0x0028, "TLS_KRB5_EXPORT_WITH_RC4_40_SHA"),
(0x0029, "TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5"),
(0x002A, "TLS_KRB5_EXPORT_WITH_RC2_CBC_40_MD5"),
(0x002B, "TLS_KRB5_EXPORT_WITH_RC4_40_MD5"),
(0x0062, "TLS_RSA_EXPORT1024_WITH_DES_CBC_SHA"),
(0x0063, "TLS_DHE_DSS_EXPORT1024_WITH_DES_CBC_SHA"),
(0x0064, "TLS_RSA_EXPORT1024_WITH_RC4_56_SHA"),
(0x0065, "TLS_DHE_DSS_EXPORT1024_WITH_RC4_56_SHA")]:
for prot, prot_name in [((3, 3), "TLSv1.2"), ((3, 2), "TLSv1.1"),
((3, 1), "TLSv1.0"), ((3, 0), "SSLv3")]:
conversation = Connect(host, port, version=(3, 0))
node = conversation
ext = {}
groups = [GroupName.ffdhe2048]
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(RSA_SIG_ALL)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
ciphers = [
c_id, expected_cipher,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
node = node.add_child(
ClientHelloGenerator(ciphers, version=prot, extensions=ext))
if prot < min_ver:
node = node.add_child(
ExpectAlert(AlertLevel.fatal,
(AlertDescription.protocol_version,
AlertDescription.handshake_failure)))
node = node.add_child(ExpectClose())
else:
node = node.add_child(
ExpectServerHello(cipher=expected_cipher))
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))
# allow for 1/n-1 record splitting
node = node.add_child(ExpectApplicationData())
record_split = node
node.next_sibling = ExpectAlert(AlertLevel.warning,
AlertDescription.close_notify)
node.next_sibling.next_sibling = ExpectClose()
node = record_split.add_child(record_split.next_sibling)
node.add_child(ExpectClose())
conversations["{0} with AES_128 in {1}".format(name, prot_name)] \
= conversation
# alone
conversation = Connect(host, port, version=(3, 0))
node = conversation
ciphers = [c_id, CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
node = node.add_child(ClientHelloGenerator(ciphers))
node = node.add_child(
ExpectAlert(AlertLevel.fatal,
(AlertDescription.handshake_failure,
AlertDescription.protocol_version)))
node = node.add_child(ExpectClose())
conversations["{0} in {1}".format(name, prot_name)] = 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'])]
regular_tests = [(k, v) for k, v in conversations.items() if k != 'sanity']
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("Test if export grade ciphers are rejected by server.\n")
print("version: {0}\n".format(version))
print("Test end")
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 > 0:
sys.exit(1)
def main():
host = "localhost"
port = 4433
num_limit = None
min_ext = 50
run_exclude = set()
argv = sys.argv[1:]
opts, args = getopt.getopt(argv, "h:p:e:n:m:", ["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 == '-n':
num_limit = int(arg)
elif opt == '-m':
min_ext = int(arg)
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
ciphers = [
CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
node = node.add_child(ClientHelloGenerator(ciphers))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectCertificate())
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\n\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()
node = node.add_child(ExpectClose())
conversations["sanity"] = conversation
# send client hello with large padding extension
for i in chain(range(10), range(0x3f00, 0x4010), range(0x1ff0, 0x2010),
range(0x8ff0, 0x9010), range(0xff00, 0xffff - 4)):
conversation = Connect(host, port)
node = conversation
ciphers = [
CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
ext = {
ExtensionType.client_hello_padding: PaddingExtension().create(i)
}
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectCertificate())
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\n\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()
node = node.add_child(ExpectClose())
conversations["ext padding, {0} bytes".format(i)] = conversation
# send large extension from unallocated range
for i in chain(range(10), range(0x3f00, 0x4010), range(0x1ff0, 0x2010),
range(0x8ff0, 0x9010), range(0xff00, 0xffff - 4)):
conversation = Connect(host, port)
node = conversation
ciphers = [
CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
ext = {80: TLSExtension(extType=80).create(bytearray(i))}
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectCertificate())
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\n\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()
node = node.add_child(ExpectClose())
conversations["ext #80, {0} bytes".format(i)] = conversation
# send two extensions, where one is large (4096) and the other is
# changing size
for i in chain(range(10), range(0x2f00, 0x3010), range(0x3f00, 0x4010),
range(0x1ff0, 0x2010), range(0x8ff0, 0x9010),
range(0xef00, 0xefff - 8)):
conversation = Connect(host, port)
node = conversation
ciphers = [
CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
ext = {
80: TLSExtension(extType=80).create(bytearray(i)),
ExtensionType.client_hello_padding:
PaddingExtension().create(0x1000)
}
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectCertificate())
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\n\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()
node = node.add_child(ExpectClose())
conversations["two ext, #80 {0} bytes".format(i)] = conversation
# send client hello messages with multiple extensions
for i in chain(range(10 // 4), range(0x3f00 // 4, 0x4010 // 4),
range(0x1ff0 // 4, 0x2010 // 4),
range(0x8ff0 // 4, 0x9010 // 4),
range(0xff00 // 4, 0x10000 // 4)):
conversation = Connect(host, port)
node = conversation
ciphers = [
CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
high_num_ext = (ExtensionType.supports_npn, ExtensionType.tack,
ExtensionType.renegotiation_info)
for num in high_num_ext:
if i + min_ext > num:
i += 1
ext = dict((i, TLSExtension(extType=i))
for i in range(min_ext, min_ext + i)
if i not in high_num_ext)
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectCertificate())
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\n\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()
node = node.add_child(ExpectClose())
conversations["multiple extensions {0}".format(i)] = conversation
# send client hello with large number of ciphersuites but overall
# even length
for i in chain(range(1, 10 // 2), range(0x3f00 // 2, 0x4010 // 2),
range(0x1ff0 // 2, 0x2010 // 2),
range(0x8ff0 // 2, 0x9010 // 2),
range(0xff00 // 2, 0xffff // 2 - 2)):
conversation = Connect(host, port)
node = conversation
if i < 0x5600 - 0x0100:
ciphers = list(range(0x0100, 0x0100 + i))
else:
ciphers = list(range(0x0100, 0x5600))
i -= 0x5600 - 0x0100
ciphers += list(range(0x5601, 0x5601 + i))
ciphers += [
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV,
CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA
]
node = node.add_child(ClientHelloGenerator(ciphers))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectCertificate())
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\n\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()
node = node.add_child(ExpectClose())
conversations["ciphers even {0}".format(i)] = conversation
# send client hello with large number of ciphersuites but overall
# odd length
for i in chain(range(1, 10 // 2), range(0x3f00 // 2, 0x4010 // 2),
range(0x1ff0 // 2, 0x2010 // 2),
range(0x8ff0 // 2, 0x9010 // 2),
range(0xff00 // 2, 0xffff // 2 - 2)):
conversation = Connect(host, port)
node = conversation
if i < 0x5600 - 0x0100:
ciphers = list(range(0x0100, 0x0100 + i))
else:
ciphers = list(range(0x0100, 0x5600))
i -= 0x5600 - 0x0100
ciphers += list(range(0x5601, 0x5601 + i))
ext = {
ExtensionType.client_hello_padding: PaddingExtension().create(1)
}
ciphers += [
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV,
CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA
]
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectCertificate())
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\n\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()
node = node.add_child(ExpectClose())
conversations["ciphers odd {0}".format(i)] = conversation
# hello split over at least two records, first very small (2B)
for i in chain(range(10), range(0x3f00, 0x4010), range(0x1ff0, 0x2010),
range(0x8ff0, 0x9010), range(0xff00, 0xffff - 4)):
fragment_list = []
conversation = Connect(host, port)
node = conversation
ciphers = [
CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
ext = {
ExtensionType.client_hello_padding: PaddingExtension().create(i)
}
hello_gen = ClientHelloGenerator(ciphers, extensions=ext)
node = node.add_child(split_message(hello_gen, fragment_list, 2))
node = node.add_child(FlushMessageList(fragment_list))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectCertificate())
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\n\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()
node = node.add_child(ExpectClose())
conversations["fragmented, padding ext {0} bytes".format(
i)] = conversation
# sanity check fragmentation
fragment_list = []
conversation = Connect(host, port)
node = conversation
ciphers = [
CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
hello_gen = ClientHelloGenerator(ciphers)
node = node.add_child(split_message(hello_gen, fragment_list, 2))
node = node.add_child(FlushMessageList(fragment_list))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectCertificate())
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\n\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()
node = node.add_child(ExpectClose())
conversations["sanity check - fragmented"] = conversation
# test with ciphers and extensions filled to the brim
conversation = Connect(host, port)
node = conversation
i = 0xfffe // 2 - 2 # two ciphers are constant
if i < 0x5600 - 0x0100:
ciphers = list(range(0x0100, 0x0100 + i))
else:
ciphers = list(range(0x0100, 0x5600))
i -= 0x5600 - 0x0100
ciphers += list(range(0x5601, 0x5601 + i))
ciphers += [
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV,
CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA
]
# the 4 bytes substracted from 0xffff are for ext ID and ext len
ext = {80: TLSExtension(extType=80).create(bytearray(0xffff - 4))}
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectCertificate())
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\n\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()
node = node.add_child(ExpectClose())
conversations["huge hello"] = conversation
# run the conversation
good = 0
bad = 0
failed = []
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 throught
sanity_test = ('sanity', conversations['sanity'])
ordered_tests = chain([sanity_test],
islice(
filter(lambda x: x[0] != 'sanity',
conversations.items()), num_limit),
[sanity_test])
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
try:
runner.run()
except:
print("Error while processing")
print(traceback.format_exc())
res = False
if res:
good += 1
print("OK\n")
else:
bad += 1
failed.append(c_name)
print("Test end")
print("successful: {0}".format(good))
print("failed: {0}".format(bad))
failed_sorted = sorted(failed, key=natural_sort_keys)
print(" {0}".format('\n '.join(repr(i) for i in failed_sorted)))
if bad > 0:
sys.exit(1)
def main():
hostname = "localhost"
port = 4433
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:d", ["help"])
for opt, arg in opts:
if opt == '-h':
hostname = arg
elif opt == '-d':
dhe = True
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 == '--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(hostname, port)
node = conversation
ext = {ExtensionType.encrypt_then_mac: AutoEmptyExtension()}
if dhe:
groups = [GroupName.secp256r1, GroupName.ffdhe2048]
ext[ExtensionType.supported_groups] = SupportedGroupsExtension() \
.create(groups)
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(RSA_SIG_ALL)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
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))
extensions = {
ExtensionType.encrypt_then_mac: None,
ExtensionType.renegotiation_info: None
}
node = node.add_child(ExpectServerHello(extensions=extensions))
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
conversation = Connect(hostname, port)
node = conversation
# 1st handshake without encrypt-then-mac extension
ext = {ExtensionType.renegotiation_info: None}
if dhe:
groups = [GroupName.secp256r1, GroupName.ffdhe2048]
ext[ExtensionType.supported_groups] = SupportedGroupsExtension() \
.create(groups)
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(RSA_SIG_ALL)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA
]
else:
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA]
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
extensions = {ExtensionType.renegotiation_info: None}
node = node.add_child(ExpectServerHello(extensions=extensions))
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())
# 2nd handshake with encrypt-then-mac extension
node = node.add_child(ResetHandshakeHashes())
ext = {
ExtensionType.encrypt_then_mac: AutoEmptyExtension(),
ExtensionType.renegotiation_info: None
}
if dhe:
groups = [GroupName.secp256r1, GroupName.ffdhe2048]
ext[ExtensionType.supported_groups] = SupportedGroupsExtension() \
.create(groups)
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(RSA_SIG_ALL)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
node = node.add_child(
ClientHelloGenerator(ciphers, session_id=bytearray(0), extensions=ext))
extensions = {
ExtensionType.encrypt_then_mac: None,
ExtensionType.renegotiation_info: None
}
node = node.add_child(ExpectServerHello(extensions=extensions))
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(AlertLevel.warning, AlertDescription.close_notify))
node.next_sibling = ExpectClose()
conversations["Encrypt-then-MAC renegotiation crash"] = conversation
# run the conversation
good = 0
bad = 0
xfail = 0
xpass = 0
failed = []
xpassed = []
# 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'])]
regular_tests = [(k, v) for k, v in conversations.items() if k != 'sanity']
sampled_tests = sample(regular_tests, 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("Test end")
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 > 0:
sys.exit(1)
def main():
host = "localhost"
port = 4433
num_limit = None
run_exclude = set()
argv = sys.argv[1:]
opts, args = getopt.getopt(argv, "h:p:e:n:", ["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 == '-n':
num_limit = int(arg)
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
ciphers = [
CipherSuite.TLS_AES_128_GCM_SHA256,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
ext = {}
groups = [GroupName.secp256r1]
key_shares = []
for group in groups:
key_shares.append(key_share_gen(group))
ext[ExtensionType.key_share] = ClientKeyShareExtension().create(key_shares)
ext[ExtensionType.supported_versions] = SupportedVersionsExtension()\
.create([TLS_1_3_DRAFT, (3, 3)])
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
sig_algs = [
SignatureScheme.rsa_pss_rsae_sha256, SignatureScheme.rsa_pss_pss_sha256
]
ext[ExtensionType.signature_algorithms] = SignatureAlgorithmsExtension()\
.create(sig_algs)
ext[ExtensionType.signature_algorithms_cert] = SignatureAlgorithmsCertExtension()\
.create(RSA_SIG_ALL)
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectEncryptedExtensions())
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectCertificateVerify())
node = node.add_child(ExpectFinished())
node = node.add_child(FinishedGenerator())
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\r\n\r\n")))
# This message is optional and may show up 0 to many times
cycle = ExpectNewSessionTicket()
node = node.add_child(cycle)
node.add_child(cycle)
node.next_sibling = ExpectApplicationData()
node = node.next_sibling.add_child(
AlertGenerator(AlertLevel.warning, AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
conversations["sanity"] = conversation
# Check if record layer message padding is supported
conversation = Connect(host, port)
node = conversation
ciphers = [
CipherSuite.TLS_AES_128_GCM_SHA256,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
ext = {}
groups = [GroupName.secp256r1]
key_shares = []
for group in groups:
key_shares.append(key_share_gen(group))
ext[ExtensionType.key_share] = ClientKeyShareExtension().create(key_shares)
ext[ExtensionType.supported_versions] = SupportedVersionsExtension()\
.create([TLS_1_3_DRAFT, (3, 3)])
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
sig_algs = [
SignatureScheme.rsa_pss_rsae_sha256, SignatureScheme.rsa_pss_pss_sha256
]
ext[ExtensionType.signature_algorithms] = SignatureAlgorithmsExtension()\
.create(sig_algs)
ext[ExtensionType.signature_algorithms_cert] = SignatureAlgorithmsCertExtension()\
.create(RSA_SIG_ALL)
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectEncryptedExtensions())
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectCertificateVerify())
node = node.add_child(ExpectFinished())
node = node.add_child(FinishedGenerator())
node = node.add_child(
SetPaddingCallback(SetPaddingCallback.fixed_length_cb(30)))
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\r\n\r\n")))
# This message is optional and may show up 0 to many times
cycle = ExpectNewSessionTicket()
node = node.add_child(cycle)
node.add_child(cycle)
node.next_sibling = ExpectApplicationData()
node = node.next_sibling.add_child(
AlertGenerator(AlertLevel.warning, AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
conversations["set-fixed-length-padding"] = conversation
# Check if large padding is supported
conversation = Connect(host, port)
node = conversation
ciphers = [
CipherSuite.TLS_AES_128_GCM_SHA256,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
ext = {}
groups = [GroupName.secp256r1]
key_shares = []
for group in groups:
key_shares.append(key_share_gen(group))
ext[ExtensionType.key_share] = ClientKeyShareExtension().create(key_shares)
ext[ExtensionType.supported_versions] = SupportedVersionsExtension()\
.create([TLS_1_3_DRAFT, (3, 3)])
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
sig_algs = [
SignatureScheme.rsa_pss_rsae_sha256, SignatureScheme.rsa_pss_pss_sha256
]
ext[ExtensionType.signature_algorithms] = SignatureAlgorithmsExtension()\
.create(sig_algs)
ext[ExtensionType.signature_algorithms_cert] = SignatureAlgorithmsCertExtension()\
.create(RSA_SIG_ALL)
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectEncryptedExtensions())
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectCertificateVerify())
node = node.add_child(ExpectFinished())
node = node.add_child(FinishedGenerator())
node = node.add_child(
SetPaddingCallback(SetPaddingCallback.fill_padding_cb))
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\r\n\r\n")))
# This message is optional and may show up 0 to many times
cycle = ExpectNewSessionTicket()
node = node.add_child(cycle)
node.add_child(cycle)
node.next_sibling = ExpectApplicationData()
node = node.next_sibling.add_child(
AlertGenerator(AlertLevel.warning, AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
conversations["set-max-length-padding"] = conversation
# run the conversation
good = 0
bad = 0
failed = []
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 throught
sanity_test = ('sanity', conversations['sanity'])
ordered_tests = chain([sanity_test],
islice(
filter(lambda x: x[0] != 'sanity',
conversations.items()), num_limit),
[sanity_test])
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
try:
runner.run()
except Exception:
print("Error while processing")
print(traceback.format_exc())
res = False
if res:
good += 1
print("OK\n")
else:
bad += 1
failed.append(c_name)
print("Test if TLS 1.3 record layer message padding is supported")
print("Check if the server correctly handles the padding in record layer")
print(".\n")
print("version: {0}\n".format(version))
print("Test end")
print("successful: {0}".format(good))
print("failed: {0}".format(bad))
failed_sorted = sorted(failed, key=natural_sort_keys)
print(" {0}".format('\n '.join(repr(i) for i in failed_sorted)))
if bad > 0:
sys.exit(1)
def main():
host = "localhost"
port = 4433
num_limit = None
run_exclude = set()
expected_failures = {}
last_exp_tmp = None
argv = sys.argv[1:]
opts, args = getopt.getopt(argv, "h:p:e:x:X:n:c", ["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 == '--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
ciphers = [CipherSuite.TLS_AES_128_GCM_SHA256,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
ext = {}
groups = [GroupName.secp256r1]
key_shares = []
for group in groups:
key_shares.append(key_share_gen(group))
ext[ExtensionType.key_share] = ClientKeyShareExtension().create(key_shares)
ext[ExtensionType.supported_versions] = SupportedVersionsExtension()\
.create([TLS_1_3_DRAFT, (3, 3)])
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
sig_algs = [SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_pss_sha256]
ext[ExtensionType.signature_algorithms] = SignatureAlgorithmsExtension()\
.create(sig_algs)
ext[ExtensionType.signature_algorithms_cert] = SignatureAlgorithmsCertExtension()\
.create(RSA_SIG_ALL)
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectEncryptedExtensions())
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectCertificateVerify())
node = node.add_child(ExpectFinished())
node = node.add_child(FinishedGenerator())
node = node.add_child(ApplicationDataGenerator(
bytearray(b"GET / HTTP/1.0\r\n\r\n")))
# This message is optional and may show up 0 to many times
cycle = ExpectNewSessionTicket()
node = node.add_child(cycle)
node.add_child(cycle)
node.next_sibling = ExpectApplicationData()
node = node.next_sibling.add_child(AlertGenerator(AlertLevel.warning,
AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
conversations["sanity"] = conversation
for version_id in range(0, 4):
conversation = Connect(host, port, version=(3, version_id))
node = conversation
ciphers = [CipherSuite.TLS_AES_128_GCM_SHA256,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
ext = {}
groups = [GroupName.secp256r1]
key_shares = []
for group in groups:
key_shares.append(key_share_gen(group))
ext[ExtensionType.key_share] = ClientKeyShareExtension().create(key_shares)
ext[ExtensionType.supported_versions] = SupportedVersionsExtension()\
.create([TLS_1_3_DRAFT, (3, 3)])
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
sig_algs = [SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_pss_sha256]
ext[ExtensionType.signature_algorithms] = SignatureAlgorithmsExtension()\
.create(sig_algs)
ext[ExtensionType.signature_algorithms_cert] = SignatureAlgorithmsCertExtension()\
.create(RSA_SIG_ALL)
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectEncryptedExtensions())
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectCertificateVerify())
node = node.add_child(ExpectFinished())
node = node.add_child(FinishedGenerator())
node = node.add_child(ApplicationDataGenerator(
bytearray(b"GET / HTTP/1.0\r\n\r\n")))
# This message is optional and may show up 0 to many times
cycle = ExpectNewSessionTicket()
node = node.add_child(cycle)
node.add_child(cycle)
node.next_sibling = ExpectApplicationData()
node = node.next_sibling.add_child(AlertGenerator(AlertLevel.warning,
AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
conversations["tls 1.3 negotiation with SSL 3.{0} in record layer".format(version_id)] = conversation
conversation = Connect(host, port)
node = conversation
ciphers = [CipherSuite.TLS_AES_128_GCM_SHA256,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
ext = {}
groups = [GroupName.secp256r1]
key_shares = []
for group in groups:
key_shares.append(key_share_gen(group))
ext[ExtensionType.key_share] = ClientKeyShareExtension().create(key_shares)
ext[ExtensionType.supported_versions] = SupportedVersionsExtension()\
.create([(3, 9)])
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
sig_algs = [SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_pss_sha256]
ext[ExtensionType.signature_algorithms] = SignatureAlgorithmsExtension()\
.create(sig_algs)
ext[ExtensionType.signature_algorithms_cert] = SignatureAlgorithmsCertExtension()\
.create(RSA_SIG_ALL)
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectAlert(AlertLevel.fatal, AlertDescription.protocol_version))
conversations["tls 1.8 only"] = conversation
conversation = Connect(host, port)
node = conversation
ciphers = [CipherSuite.TLS_AES_128_GCM_SHA256,
CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
ext = {}
groups = [GroupName.secp256r1]
key_shares = []
for group in groups:
key_shares.append(key_share_gen(group))
ext[ExtensionType.key_share] = ClientKeyShareExtension().create(key_shares)
ext[ExtensionType.supported_versions] = SupportedVersionsExtension()\
.create([(3, 9), (3, 3)])
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
sig_algs = [SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_pss_sha256]
ext[ExtensionType.signature_algorithms] = SignatureAlgorithmsExtension()\
.create(sig_algs)
ext[ExtensionType.signature_algorithms_cert] = SignatureAlgorithmsCertExtension()\
.create(RSA_SIG_ALL)
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
sig_algs = [SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_pss_sha256]
ext[ExtensionType.signature_algorithms] = SignatureAlgorithmsExtension()\
.create(sig_algs)
ext[ExtensionType.signature_algorithms_cert] = SignatureAlgorithmsCertExtension()\
.create(RSA_SIG_ALL)
# verify that there is no supported versions in server hello
node = node.add_child(ExpectServerHello(version = (3, 3),
extensions={ExtensionType.renegotiation_info:None}))
node = node.add_child(ExpectCertificate())
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["fallback from TLS 1.8 to 1.2"] = conversation
conversation = Connect(host, port)
node = conversation
ciphers = [CipherSuite.TLS_AES_128_GCM_SHA256,
CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
ext = {}
groups = [GroupName.secp256r1]
key_shares = []
for group in groups:
key_shares.append(key_share_gen(group))
ext[ExtensionType.key_share] = ClientKeyShareExtension().create(key_shares)
ext[ExtensionType.supported_versions] = SupportedVersionsExtension()\
.create([(3, 9), (3, 2)])
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
sig_algs = [SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_pss_sha256]
ext[ExtensionType.signature_algorithms] = SignatureAlgorithmsExtension()\
.create(sig_algs)
ext[ExtensionType.signature_algorithms_cert] = SignatureAlgorithmsCertExtension()\
.create(RSA_SIG_ALL)
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
sig_algs = [SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_pss_sha256]
ext[ExtensionType.signature_algorithms] = SignatureAlgorithmsExtension()\
.create(sig_algs)
ext[ExtensionType.signature_algorithms_cert] = SignatureAlgorithmsCertExtension()\
.create(RSA_SIG_ALL)
# verify that there is no supported versions in server hello
node = node.add_child(ExpectServerHello(version = (3, 2),
extensions={ExtensionType.renegotiation_info:None}))
node = node.add_child(ExpectCertificate())
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["fallback from TLS 1.8 to 1.1"] = conversation
conversation = Connect(host, port)
node = conversation
ciphers = [CipherSuite.TLS_AES_128_GCM_SHA256,
CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
ext = {}
groups = [GroupName.secp256r1]
key_shares = []
for group in groups:
key_shares.append(key_share_gen(group))
ext[ExtensionType.key_share] = ClientKeyShareExtension().create(key_shares)
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
sig_algs = [SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_pss_sha256]
ext[ExtensionType.signature_algorithms] = SignatureAlgorithmsExtension()\
.create(sig_algs)
ext[ExtensionType.signature_algorithms_cert] = SignatureAlgorithmsCertExtension()\
.create(RSA_SIG_ALL)
node = node.add_child(ClientHelloGenerator(ciphers, version=(3, 4), extensions=ext))
# negotiate TLS 1.2; it is valid for an implementation to abort handshake
# but we don't cover it
node = node.add_child(ExpectServerHello(version = (3, 3),
extensions={ExtensionType.renegotiation_info:None}))
node = node.add_child(ExpectCertificate())
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["TLS 1.3 in client hello legacy field"] = conversation
conversation = Connect(host, port)
node = conversation
ciphers = [CipherSuite.TLS_AES_128_GCM_SHA256,
CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
ext = {}
groups = [GroupName.secp256r1]
key_shares = []
for group in groups:
key_shares.append(key_share_gen(group))
ext[ExtensionType.key_share] = ClientKeyShareExtension().create(key_shares)
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
sig_algs = [SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_pss_sha256]
ext[ExtensionType.signature_algorithms] = SignatureAlgorithmsExtension()\
.create(sig_algs)
ext[ExtensionType.signature_algorithms_cert] = SignatureAlgorithmsCertExtension()\
.create(RSA_SIG_ALL)
node = node.add_child(ClientHelloGenerator(ciphers, version=(3, 9), extensions=ext))
# negotiate TLS 1.2; it is valid for an implementation to abort handshake
# but we don't cover it
node = node.add_child(ExpectServerHello(version = (3, 3),
extensions={ExtensionType.renegotiation_info:None}))
node = node.add_child(ExpectCertificate())
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["TLS 1.8 in client hello legacy field"] = conversation
conversation = Connect(host, port)
node = conversation
ciphers = [CipherSuite.TLS_AES_128_GCM_SHA256,
CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_RSA_WITH_RC4_128_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
ext = {}
groups = [GroupName.secp256r1]
key_shares = []
for group in groups:
key_shares.append(key_share_gen(group))
ext[ExtensionType.key_share] = ClientKeyShareExtension().create(key_shares)
ext[ExtensionType.supported_versions] = SupportedVersionsExtension()\
.create([(3, 0)])
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
sig_algs = [SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_pss_sha256]
ext[ExtensionType.signature_algorithms] = SignatureAlgorithmsExtension()\
.create(sig_algs)
ext[ExtensionType.signature_algorithms_cert] = SignatureAlgorithmsCertExtension()\
.create(RSA_SIG_ALL)
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectAlert(AlertLevel.fatal, AlertDescription.protocol_version))
conversations["SSL 3.0 in supported version"] = conversation
# instruct RecordLayer to use SSLv2 record layer protocol (0, 2)
conversation = Connect(host, port, version=(0, 2))
node = conversation
ciphers = [CipherSuite.TLS_AES_128_GCM_SHA256]
node = node.add_child(ClientHelloGenerator(ciphers,
version=(3, 4),
ssl2=True))
node = node.add_child(ExpectAlert())
conversations["SSL 2.0 ClientHello with TLS 1.3 version and TLS 1.3 only ciphersuites"] = conversation
# verify that the server does not support any of the draft implementations
for l_ver in range(256):
conversation = Connect(host, port)
node = conversation
ciphers = [CipherSuite.TLS_AES_128_GCM_SHA256,
CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
ext = {}
groups = [GroupName.secp256r1]
ext[ExtensionType.key_share] = key_share_ext_gen(groups)
ext[ExtensionType.supported_versions] = SupportedVersionsExtension()\
.create([(127, l_ver), (3, 3)])
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
sig_algs = [SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_pss_sha256]
ext[ExtensionType.signature_algorithms] = SignatureAlgorithmsExtension()\
.create(sig_algs)
ext[ExtensionType.signature_algorithms_cert] = SignatureAlgorithmsCertExtension()\
.create(RSA_SIG_ALL)
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
sig_algs = [SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_pss_sha256]
ext[ExtensionType.signature_algorithms] = SignatureAlgorithmsExtension()\
.create(sig_algs)
ext[ExtensionType.signature_algorithms_cert] = SignatureAlgorithmsCertExtension()\
.create(RSA_SIG_ALL)
# verify that there is no supported versions in server hello
node = node.add_child(ExpectServerHello(version=(3, 3),
extensions={ExtensionType.renegotiation_info:None}))
node = node.add_child(ExpectCertificate())
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(AlertLevel.warning,
AlertDescription.close_notify))
node.next_sibling = ExpectClose()
conversations["fallback from TLS 1.3-draft{0} to 1.2"
.format(l_ver)] = 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 version negotiation under TLS 1.3 with the supported")
print("versions extension")
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 > 0:
sys.exit(1)
def main():
"""Check handling of malformed ECDHE_RSA client key exchange messages"""
host = "localhost"
port = 4433
run_exclude = set()
expected_failures = {}
last_exp_tmp = None
argv = sys.argv[1:]
opts, args = getopt.getopt(argv, "h:p:e:x:X:", ["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 == '--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
ciphers = [CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA]
ext = {
ExtensionType.renegotiation_info:
None,
ExtensionType.supported_groups:
SupportedGroupsExtension().create([GroupName.secp256r1]),
ExtensionType.ec_point_formats:
ECPointFormatsExtension().create([ECPointFormat.uncompressed])
}
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
ext = {
ExtensionType.renegotiation_info: None,
ExtensionType.ec_point_formats: None
}
node = node.add_child(ExpectServerHello(extensions=ext))
node = node.add_child(ExpectCertificate())
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\n\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
# invalid ecdh_Yc value
conversation = Connect(host, port)
node = conversation
ciphers = [CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA]
ext = {
ExtensionType.renegotiation_info:
None,
ExtensionType.supported_groups:
SupportedGroupsExtension().create([GroupName.secp256r1]),
ExtensionType.ec_point_formats:
ECPointFormatsExtension().create([ECPointFormat.uncompressed])
}
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
ext = {
ExtensionType.renegotiation_info: None,
ExtensionType.ec_point_formats: None
}
node = node.add_child(ExpectServerHello(extensions=ext))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
subst = dict((i, 0x00) for i in range(-1, -65, -1))
subst[-1] = 0x01
node = node.add_child(
fuzz_message(ClientKeyExchangeGenerator(), substitutions=subst))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
node = node.add_child(
ExpectAlert(AlertLevel.fatal, AlertDescription.illegal_parameter))
node = node.add_child(ExpectClose())
conversations["invalid point (0, 1)"] = conversation
# invalid ecdh_Yc value
conversation = Connect(host, port)
node = conversation
ciphers = [CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA]
ext = {
ExtensionType.renegotiation_info:
None,
ExtensionType.supported_groups:
SupportedGroupsExtension().create([GroupName.secp256r1]),
ExtensionType.ec_point_formats:
ECPointFormatsExtension().create([ECPointFormat.uncompressed])
}
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
ext = {
ExtensionType.renegotiation_info: None,
ExtensionType.ec_point_formats: None
}
node = node.add_child(ExpectServerHello(extensions=ext))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
# point at infinity doesn't have a defined encoding, but some libraries
# encode it as 0, 0, check if it is rejected
subst = dict((i, 0x00) for i in range(-1, -65, -1))
node = node.add_child(
fuzz_message(ClientKeyExchangeGenerator(), substitutions=subst))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
node = node.add_child(
ExpectAlert(AlertLevel.fatal, AlertDescription.illegal_parameter))
node = node.add_child(ExpectClose())
conversations["invalid point (0, 0)"] = conversation
# invalid ecdh_Yc value
conversation = Connect(host, port)
node = conversation
ciphers = [CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA]
ext = {
ExtensionType.renegotiation_info:
None,
ExtensionType.supported_groups:
SupportedGroupsExtension().create([GroupName.secp256r1]),
ExtensionType.ec_point_formats:
ECPointFormatsExtension().create([ECPointFormat.uncompressed])
}
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
ext = {
ExtensionType.renegotiation_info: None,
ExtensionType.ec_point_formats: None
}
node = node.add_child(ExpectServerHello(extensions=ext))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
# uncompressed EC points need to be self consistent, by changing
# one coordinate without changing the other we create an invalid point
node = node.add_child(
fuzz_message(ClientKeyExchangeGenerator(),
substitutions=dict(
(i, 0x00) for i in range(-1, -33, -1))))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
node = node.add_child(
ExpectAlert(AlertLevel.fatal, AlertDescription.illegal_parameter))
node = node.add_child(ExpectClose())
conversations[
"invalid point (self-inconsistent, y all zero)"] = conversation
# invalid ecdh_Yc value
conversation = Connect(host, port)
node = conversation
ciphers = [CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA]
ext = {
ExtensionType.renegotiation_info:
None,
ExtensionType.supported_groups:
SupportedGroupsExtension().create([GroupName.secp256r1]),
ExtensionType.ec_point_formats:
ECPointFormatsExtension().create([ECPointFormat.uncompressed])
}
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
ext = {
ExtensionType.renegotiation_info: None,
ExtensionType.ec_point_formats: None
}
node = node.add_child(ExpectServerHello(extensions=ext))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
# uncompressed EC points need to be self consistent, by changing
# one coordinate without changing the other we create an invalid point
node = node.add_child(
fuzz_message(ClientKeyExchangeGenerator(), xors={-1: 0xff}))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
node = node.add_child(
ExpectAlert(AlertLevel.fatal, AlertDescription.illegal_parameter))
node = node.add_child(ExpectClose())
conversations["invalid point (self-inconsistent)"] = conversation
# truncated Client Key Exchange
conversation = Connect(host, port)
node = conversation
ciphers = [CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA]
ext = {
ExtensionType.renegotiation_info:
None,
ExtensionType.supported_groups:
SupportedGroupsExtension().create([GroupName.secp256r1]),
ExtensionType.ec_point_formats:
ECPointFormatsExtension().create([ECPointFormat.uncompressed])
}
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
ext = {
ExtensionType.renegotiation_info: None,
ExtensionType.ec_point_formats: None
}
node = node.add_child(ExpectServerHello(extensions=ext))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
# uncompressed EC points need to be self consistent, by changing
# one coordinate without changing the other we create an invalid point
node = node.add_child(truncate_handshake(ClientKeyExchangeGenerator(), 1))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
node = node.add_child(
ExpectAlert(AlertLevel.fatal, AlertDescription.decode_error))
node = node.add_child(ExpectClose())
conversations["truncated ecdh_Yc value"] = conversation
# padded Client Key Exchange
conversation = Connect(host, port)
node = conversation
ciphers = [CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA]
ext = {
ExtensionType.renegotiation_info:
None,
ExtensionType.supported_groups:
SupportedGroupsExtension().create([GroupName.secp256r1]),
ExtensionType.ec_point_formats:
ECPointFormatsExtension().create([ECPointFormat.uncompressed])
}
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
ext = {
ExtensionType.renegotiation_info: None,
ExtensionType.ec_point_formats: None
}
node = node.add_child(ExpectServerHello(extensions=ext))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
# uncompressed EC points need to be self consistent, by changing
# one coordinate without changing the other we create an invalid point
node = node.add_child(pad_handshake(ClientKeyExchangeGenerator(), 1))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
node = node.add_child(
ExpectAlert(AlertLevel.fatal, AlertDescription.decode_error))
node = node.add_child(ExpectClose())
conversations["padded Client Key Exchange"] = conversation
good = 0
bad = 0
xfail = 0
xpass = 0
failed = []
xpassed = []
# 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'])]
regular_tests = [(k, v) for k, v in conversations.items() if k != 'sanity']
sampled_tests = sample(regular_tests, 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("Test end")
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 > 0:
sys.exit(1)
def main():
"""
Test interleaving of Application Data with handshake messages,
requires an HTTP-like server with support for client initiated
renegotiation
"""
host = "localhost"
port = 4433
num_limit = None
run_exclude = set()
expected_failures = {}
last_exp_tmp = None
argv = sys.argv[1:]
opts, args = getopt.getopt(argv, "h:p:e:x:X:n:", ["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 == '--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
ciphers = [
CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
node = node.add_child(ClientHelloGenerator(ciphers))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectCertificate())
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\n\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
conver = Connect(host, port)
node = conver
#ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
# CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA]
node = node.add_child(
ClientHelloGenerator(
ciphers, extensions={ExtensionType.renegotiation_info: None}))
node = node.add_child(
ExpectServerHello(extensions={ExtensionType.renegotiation_info: None}))
node = node.add_child(ExpectCertificate())
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())
# 2nd handshake
node = node.add_child(ResetHandshakeHashes())
fragment_list = []
node = node.add_child(
split_message(
ClientHelloGenerator(
[CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA],
session_id=bytearray(0),
extensions={ExtensionType.renegotiation_info: None}),
fragment_list, 30))
# interleaved AppData
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0")))
node = node.add_child(FlushMessageList(fragment_list))
node = node.add_child(
ExpectServerHello(extensions={ExtensionType.renegotiation_info: None}))
node = node.add_child(ExpectCertificate())
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"\n\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["Application data inside Client Hello"] = conver
conver = Connect(host, port)
node = conver
#ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
# CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA]
node = node.add_child(
ClientHelloGenerator(
ciphers, extensions={ExtensionType.renegotiation_info: None}))
node = node.add_child(
ExpectServerHello(extensions={ExtensionType.renegotiation_info: None}))
node = node.add_child(ExpectCertificate())
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())
# 2nd handshake
node = node.add_child(ResetHandshakeHashes())
node = node.add_child(
ClientHelloGenerator(
[CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA],
session_id=bytearray(0),
extensions={ExtensionType.renegotiation_info: None}))
node = node.add_child(
ExpectServerHello(extensions={ExtensionType.renegotiation_info: None}))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerHelloDone())
fragment_list = []
node = node.add_child(
split_message(ClientKeyExchangeGenerator(), fragment_list, 30))
# interleaved AppData
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0")))
node = node.add_child(FlushMessageList(fragment_list))
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"\n\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["Application data inside Client Key Exchange"] = conver
# CCS is one byte, can't split it
#conversations["Application data inside Change Cipher Spec"] = conver
conver = Connect(host, port)
node = conver
#ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
# CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA]
node = node.add_child(
ClientHelloGenerator(
ciphers, extensions={ExtensionType.renegotiation_info: None}))
node = node.add_child(
ExpectServerHello(extensions={ExtensionType.renegotiation_info: None}))
node = node.add_child(ExpectCertificate())
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())
# 2nd handshake
node = node.add_child(ResetHandshakeHashes())
node = node.add_child(
ClientHelloGenerator(
[CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA],
session_id=bytearray(0),
extensions={ExtensionType.renegotiation_info: None}))
node = node.add_child(
ExpectServerHello(extensions={ExtensionType.renegotiation_info: None}))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(ClientKeyExchangeGenerator())
node = node.add_child(ChangeCipherSpecGenerator())
fragments = []
node = node.add_child(split_message(FinishedGenerator(), fragments, 10))
# interleaved AppData
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0")))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
conversations["Application data inside Finished"] = conver
# 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("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)
def main():
"""Test if server correctly handles malformed DHE_RSA CKE messages"""
host = "localhost"
port = 4433
num_limit = None
run_exclude = set()
expected_failures = {}
last_exp_tmp = None
alert = AlertDescription.illegal_parameter
argv = sys.argv[1:]
opts, args = getopt.getopt(argv, "h:p:e:n:x:X:a:", ["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 == '-n':
num_limit = int(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 == '--help':
help_msg()
sys.exit(0)
elif opt == "-a":
alert = int(arg)
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 = {}
ext[ExtensionType.renegotiation_info] = None
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(RSA_SIG_ALL)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
ciphers = [CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA]
node = node.add_child(ClientHelloGenerator(ciphers,
extensions=ext))
node = node.add_child(ExpectServerHello(extensions={ExtensionType.
renegotiation_info:None}))
node = node.add_child(ExpectCertificate())
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\n\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()
node = node.add_child(ExpectClose())
conversations["sanity"] = conversation
# invalid dh_Yc value
#for i in [2*1024, 4*1024, 8*1024, 16*1024]:
for i in [8*1024]:
conversation = Connect(host, port)
node = conversation
ext = {}
ext[ExtensionType.renegotiation_info] = None
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(RSA_SIG_ALL)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
ciphers = [CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA]
node = node.add_child(ClientHelloGenerator(ciphers,
extensions=ext))
node = node.add_child(ExpectServerHello(extensions={ExtensionType.
renegotiation_info:None}))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
node = node.add_child(ClientKeyExchangeGenerator(dh_Yc=2**(i)))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
node = node.add_child(ExpectAlert(AlertLevel.fatal,
alert))
node = node.add_child(ExpectClose())
conversations["invalid dh_Yc value - " + str(i) + "b"] = conversation
for i in [0, 1]:
conversation = Connect(host, port)
node = conversation
ext = {}
ext[ExtensionType.renegotiation_info] = None
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(RSA_SIG_ALL)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
ciphers = [CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA]
node = node.add_child(ClientHelloGenerator(ciphers,
extensions=ext))
node = node.add_child(ExpectServerHello(extensions={ExtensionType.
renegotiation_info:None}))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
node = node.add_child(ClientKeyExchangeGenerator(dh_Yc=i))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
node = node.add_child(ExpectAlert(AlertLevel.fatal,
alert))
node = node.add_child(ExpectClose())
conversations["invalid dh_Yc value - {0}".format(i)] = conversation
# share equal to p
conversation = Connect(host, port)
node = conversation
ext = {}
ext[ExtensionType.renegotiation_info] = None
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(RSA_SIG_ALL)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
ciphers = [CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA]
node = node.add_child(ClientHelloGenerator(ciphers,
extensions=ext))
node = node.add_child(ExpectServerHello(extensions={ExtensionType.
renegotiation_info:None}))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
node = node.add_child(ClientKeyExchangeGenerator(p_as_share=True))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
node = node.add_child(ExpectAlert(AlertLevel.fatal,
alert))
node = node.add_child(ExpectClose())
conversations["invalid dh_Yc value - p"] = conversation
# share equal to p-1
conversation = Connect(host, port)
node = conversation
ext = {}
ext[ExtensionType.renegotiation_info] = None
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(RSA_SIG_ALL)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
ciphers = [CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA]
node = node.add_child(ClientHelloGenerator(ciphers,
extensions=ext))
node = node.add_child(ExpectServerHello(extensions={ExtensionType.
renegotiation_info:None}))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
node = node.add_child(ClientKeyExchangeGenerator(p_1_as_share=True))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
node = node.add_child(ExpectAlert(AlertLevel.fatal,
alert))
node = node.add_child(ExpectClose())
conversations["invalid dh_Yc value - p-1"] = conversation
# truncated dh_Yc value
conversation = Connect(host, port)
node = conversation
ext = {}
ext[ExtensionType.renegotiation_info] = None
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(RSA_SIG_ALL)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
ciphers = [CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA]
node = node.add_child(ClientHelloGenerator(ciphers,
extensions=ext))
node = node.add_child(ExpectServerHello(extensions={ExtensionType.
renegotiation_info:None}))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
node = node.add_child(truncate_handshake(ClientKeyExchangeGenerator(),
1))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
node = node.add_child(ExpectAlert(AlertLevel.fatal,
AlertDescription.decode_error))
node = node.add_child(ExpectClose())
conversations["truncated dh_Yc value"] = conversation
# padded Client Key Exchange
conversation = Connect(host, port)
node = conversation
ext = {}
ext[ExtensionType.renegotiation_info] = None
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(RSA_SIG_ALL)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
ciphers = [CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA]
node = node.add_child(ClientHelloGenerator(ciphers,
extensions=ext))
node = node.add_child(ExpectServerHello(extensions={ExtensionType.
renegotiation_info:None}))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
node = node.add_child(pad_handshake(ClientKeyExchangeGenerator(),
1))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
node = node.add_child(ExpectAlert(AlertLevel.fatal,
AlertDescription.decode_error))
node = node.add_child(ExpectClose())
conversations["padded Client Key Exchange"] = conversation
# run the conversations
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 server properly verifies received Client Key Exchange")
print("message. That the extra data (pad) at the end is noticed, that")
print("too short message is rejected and a message with \"obviously\"")
print("wrong client key share is rejected")
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)
def main():
host = "localhost"
port = 4433
num_limit = None
run_exclude = set()
expected_failures = {}
last_exp_tmp = None
num_tickets = 0
argv = sys.argv[1:]
opts, args = getopt.getopt(argv, "h:p:e:x:X:n:t:", ["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 == '-t':
num_tickets = int(arg)
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
ciphers = [
CipherSuite.TLS_AES_128_GCM_SHA256,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
ext = {}
groups = [GroupName.secp256r1]
key_shares = []
for group in groups:
key_shares.append(key_share_gen(group))
ext[ExtensionType.key_share] = ClientKeyShareExtension().create(key_shares)
ext[ExtensionType.supported_versions] = SupportedVersionsExtension()\
.create([TLS_1_3_DRAFT, (3, 3)])
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
sig_algs = [
SignatureScheme.rsa_pss_rsae_sha256, SignatureScheme.rsa_pss_pss_sha256
]
ext[ExtensionType.signature_algorithms] = SignatureAlgorithmsExtension()\
.create(sig_algs)
ext[ExtensionType.signature_algorithms_cert] = SignatureAlgorithmsCertExtension()\
.create(RSA_SIG_ALL)
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectEncryptedExtensions())
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectCertificateVerify())
node = node.add_child(ExpectFinished())
node = node.add_child(FinishedGenerator())
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\r\n\r\n")))
# This message is optional and may show up 0 to many times
cycle = ExpectNewSessionTicket()
node = node.add_child(cycle)
node.add_child(cycle)
node.next_sibling = ExpectApplicationData()
node = node.next_sibling.add_child(
AlertGenerator(AlertLevel.warning, AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
conversations["sanity"] = conversation
# specific number of NewSessionTickets
conversation = Connect(host, port)
node = conversation
ciphers = [
CipherSuite.TLS_AES_128_GCM_SHA256,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
ext = {}
groups = [GroupName.secp256r1]
key_shares = []
for group in groups:
key_shares.append(key_share_gen(group))
ext[ExtensionType.key_share] = ClientKeyShareExtension().create(key_shares)
ext[ExtensionType.supported_versions] = SupportedVersionsExtension()\
.create([TLS_1_3_DRAFT, (3, 3)])
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
sig_algs = [
SignatureScheme.rsa_pss_rsae_sha256, SignatureScheme.rsa_pss_pss_sha256
]
ext[ExtensionType.signature_algorithms] = SignatureAlgorithmsExtension()\
.create(sig_algs)
ext[ExtensionType.signature_algorithms_cert] = SignatureAlgorithmsCertExtension()\
.create(RSA_SIG_ALL)
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectEncryptedExtensions())
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectCertificateVerify())
node = node.add_child(ExpectFinished())
node = node.add_child(FinishedGenerator())
for i in range(num_tickets):
node = node.add_child(ExpectNewSessionTicket())
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["count NewSessionTickets"] = conversation
# run the conversation
good = 0
bad = 0
xfail = 0
xpass = 0
failed = []
xpassed = []
if not num_limit:
num_limit = len(conversations)
# make sure that sanity test is run first and last
# to verify that server was running and kept running throughout
sanity_tests = [('sanity', conversations['sanity'])]
if run_only:
if num_limit > len(run_only):
num_limit = len(run_only)
regular_tests = [(k, v) for k, v in conversations.items()
if k in run_only]
else:
regular_tests = [(k, v) for k, v in conversations.items()
if (k != 'sanity') and k not in run_exclude]
sampled_tests = sample(regular_tests, min(num_limit, len(regular_tests)))
ordered_tests = chain(sanity_tests, sampled_tests, sanity_tests)
for c_name, c_test in ordered_tests:
if run_only and c_name not in run_only or c_name in run_exclude:
continue
print("{0} ...".format(c_name))
runner = Runner(c_test)
res = True
exception = None
try:
runner.run()
except Exception as exp:
exception = exp
print("Error while processing")
print(traceback.format_exc())
res = False
if c_name in expected_failures:
if res:
xpass += 1
xpassed.append(c_name)
print("XPASS-expected failure but test passed\n")
else:
if expected_failures[c_name] is not None and \
expected_failures[c_name] not in str(exception):
bad += 1
failed.append(c_name)
print("Expected error message: {0}\n".format(
expected_failures[c_name]))
else:
xfail += 1
print("OK-expected failure\n")
else:
if res:
good += 1
print("OK\n")
else:
bad += 1
failed.append(c_name)
print("Basic communication test with TLS 1.3 server.")
print("Check that client expect specific number of NTS messages.")
print("Communication with typical group and cipher with")
print("the TLS 1.3 server.\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 > 0:
sys.exit(1)
def main():
host = "localhost"
port = 4433
fatal_alert = "decode_error"
run_exclude = set()
no_sha1 = False
expected_signature = SignatureAlgorithm.rsa
expected_sig_list = RSA_SIG_ALL
argv = sys.argv[1:]
opts, args = getopt.getopt(argv, "h:p:e:", ["help", "alert=", "no-sha1", "ecdsa"])
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 == '--alert':
fatal_alert = arg
elif opt == '--no-sha1':
no_sha1 = True
elif opt == '--ecdsa':
expected_signature = SignatureAlgorithm.ecdsa
expected_sig_list = ECDSA_SIG_ALL
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 = {}
groups = [GroupName.secp256r1]
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_CBC_SHA,
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectCertificate())
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
conversation = Connect(host, port)
node = conversation
groups = [GroupName.secp256r1]
ext = {}
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
ciphers = [CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
node = node.add_child(ClientHelloGenerator(ciphers, version=(3, 3), extensions=ext))
if no_sha1:
node = node.add_child(ExpectServerHello(version=(3, 3)))
node.next_sibling = ExpectAlert(AlertLevel.fatal,
AlertDescription.handshake_failure)
node.next_sibling.add_child(ExpectClose())
alt = node.next_sibling
node = node.add_child(ExpectCertificate())
node.add_child(alt)
else:
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
# implicit SHA-1 check from Client Hello ext
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\n\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["implicit SHA-1 check"] = conversation
conversation = Connect(host, port)
node = conversation
groups = [GroupName.secp256r1]
ciphers = [CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
sigs = [(HashAlgorithm.sha1, expected_signature)]
ext = {ExtensionType.signature_algorithms :
SignatureAlgorithmsExtension().create(sigs),
ExtensionType.signature_algorithms_cert :
SignatureAlgorithmsCertExtension().create(expected_sig_list)}
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
node = node.add_child(ClientHelloGenerator(ciphers, version=(3, 3),
extensions=ext))
if no_sha1:
node = node.add_child(ExpectAlert(AlertLevel.fatal,
AlertDescription.handshake_failure))
node = node.add_child(ExpectClose())
else:
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
# implicit SHA-1 check from Client Hello ext
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\n\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["explicit SHA-1+RSA/ECDSA"] = conversation
conversation = Connect(host, port)
node = conversation
groups = [GroupName.secp256r1]
ciphers = [CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
sigs = [(HashAlgorithm.sha256, expected_signature)]
ext = {ExtensionType.signature_algorithms :
SignatureAlgorithmsExtension().create(sigs),
ExtensionType.signature_algorithms_cert :
SignatureAlgorithmsCertExtension().create(expected_sig_list)}
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
node = node.add_child(ClientHelloGenerator(ciphers, version=(3, 3),
extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
# implicit SHA-256 check from Client Hello ext
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\n\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["explicit SHA-256+RSA or ECDSA"] = conversation
conversation = Connect(host, port)
node = conversation
groups = [GroupName.secp256r1]
ciphers = [CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
sigs = [(0, expected_signature),
(HashAlgorithm.sha256, expected_signature)]
ext = {ExtensionType.signature_algorithms :
SignatureAlgorithmsExtension().create(sigs),
ExtensionType.signature_algorithms_cert :
SignatureAlgorithmsCertExtension().create(expected_sig_list)}
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
node = node.add_child(ClientHelloGenerator(ciphers, version=(3, 3),
extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
valid = [(HashAlgorithm.sha256, expected_signature)]
node = node.add_child(ExpectServerKeyExchange(valid_sig_algs=valid))
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\n\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["tolerance none+RSA or ECDSA"] = conversation
conversation = Connect(host, port)
node = conversation
groups = [GroupName.secp256r1]
ciphers = [CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
sigs = [(10, expected_signature),
(HashAlgorithm.sha256, expected_signature)]
ext = {ExtensionType.signature_algorithms :
SignatureAlgorithmsExtension().create(sigs),
ExtensionType.signature_algorithms_cert :
SignatureAlgorithmsCertExtension().create(expected_sig_list)}
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
node = node.add_child(ClientHelloGenerator(ciphers, version=(3, 3),
extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
valid = [(HashAlgorithm.sha256, expected_signature)]
node = node.add_child(ExpectServerKeyExchange(valid_sig_algs=valid))
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\n\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["tolerance 10+RSA or ECDSA method"] = conversation
conversation = Connect(host, port)
node = conversation
groups = [GroupName.secp256r1]
ciphers = [CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
sigs = list(chain(
((i, expected_signature) for i in range(10, 224)),
[(HashAlgorithm.sha256, expected_signature)]))
ext = {ExtensionType.signature_algorithms :
SignatureAlgorithmsExtension().create(sigs),
ExtensionType.signature_algorithms_cert :
SignatureAlgorithmsCertExtension().create(expected_sig_list)}
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
node = node.add_child(ClientHelloGenerator(ciphers, version=(3, 3),
extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
valid = [(HashAlgorithm.sha256, expected_signature)]
node = node.add_child(ExpectServerKeyExchange(valid_sig_algs=valid))
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\n\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["tolerance 215 RSA or ECDSA methods"] = conversation
conversation = Connect(host, port)
node = conversation
groups = [GroupName.secp256r1]
ciphers = [CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
sigs = list(chain(
((i, j) for i in range(10, 224) for j in range(10, 21)),
[(HashAlgorithm.sha256, expected_signature)]))
ext = {ExtensionType.signature_algorithms :
SignatureAlgorithmsExtension().create(sigs),
ExtensionType.signature_algorithms_cert :
SignatureAlgorithmsCertExtension().create(expected_sig_list)}
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
node = node.add_child(ClientHelloGenerator(ciphers, version=(3, 3),
extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
valid = [(HashAlgorithm.sha256, expected_signature)]
node = node.add_child(ExpectServerKeyExchange(valid_sig_algs=valid))
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\n\n")))
node = node.add_child(ExpectApplicationData())
# OpenSSL sends the list of advertised and it doesn't fit a single
# application data
node = node.add_child(Close())
conversations["tolerance 2355 RSA or ECDSA methods"] = conversation
conversation = Connect(host, port)
node = conversation
groups = [GroupName.secp256r1]
ciphers = [CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
sigs = list(chain(
((i, j) for i in range(10, 224) for j in range(21, 59)),
[(HashAlgorithm.sha256, expected_signature)]))
ext = {ExtensionType.signature_algorithms :
SignatureAlgorithmsExtension().create(sigs),
ExtensionType.signature_algorithms_cert :
SignatureAlgorithmsCertExtension().create(expected_sig_list)}
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
node = node.add_child(ClientHelloGenerator(ciphers, version=(3, 3),
extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
valid = [(HashAlgorithm.sha256, expected_signature)]
node = node.add_child(ExpectServerKeyExchange(valid_sig_algs=valid))
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\n\n")))
node = node.add_child(ExpectApplicationData())
node = node.add_child(Close()) # OpenSSL lists them, which makes the response huge
conversations["tolerance 8132 RSA or ECDSA methods"] = conversation
conversation = Connect(host, port)
node = conversation
groups = [GroupName.secp256r1]
ciphers = [CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
sig_alg = SignatureAlgorithmsExtension()
sig_alg.create(list(chain(
((i, j) for i in range(10, 224) for j in range(10, 121)),
[(HashAlgorithm.sha256, expected_signature)])))
ext = {ExtensionType.signature_algorithms: sig_alg}
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
node = node.add_child(ClientHelloGenerator(ciphers, version=(3, 3),
extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
valid = [(HashAlgorithm.sha256, expected_signature)]
node = node.add_child(ExpectServerKeyExchange(valid_sig_algs=valid))
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\n\n")))
node = node.add_child(ExpectApplicationData())
node = node.add_child(Close()) # OpenSSL lists them, which makes the response huge
conversations["tolerance 23754 RSA or ECDSA methods"] = conversation
conversation = Connect(host, port)
node = conversation
groups = [GroupName.secp256r1]
ciphers = [CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
sig_alg = SignatureAlgorithmsExtension()
# generate maximum number of methods (4 bytes for extensions header,
# 2 bytes for length of list inside extension, leaving 65528 bytes)
sig_alg.create(list(chain(
((i, j) for i in range(10, 224) for j in range(10, 163)),
((i, 163) for i in range(10, 27)),
[(HashAlgorithm.sha256, expected_signature)])))
ext = {ExtensionType.signature_algorithms: sig_alg}
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
node = node.add_child(ClientHelloGenerator(ciphers, version=(3, 3),
extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
valid = [(HashAlgorithm.sha256, expected_signature)]
node = node.add_child(ExpectServerKeyExchange(valid_sig_algs=valid))
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\n\n")))
node = node.add_child(ExpectApplicationData())
node = node.add_child(Close()) # OpenSSL lists them, which makes the response huge
conversations["tolerance max (32760) number of methods"] = conversation
conversation = Connect(host, port)
node = conversation
groups = [GroupName.secp256r1]
ciphers = [CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
# generate maximum number of methods for 2 extensions
# (4 bytes for extensions header, 2 bytes for length of list inside
# extension leaving 65522 bytes)
sigs = list(chain(
((i, j) for i in range(10, 224) for j in range(10, 86)),
((i, 163) for i in range(10, 123)),
[(HashAlgorithm.sha256, expected_signature)]))
ext = {ExtensionType.signature_algorithms :
SignatureAlgorithmsExtension().create(sigs),
ExtensionType.signature_algorithms_cert :
SignatureAlgorithmsCertExtension().create(sigs)}
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
node = node.add_child(ClientHelloGenerator(ciphers, version=(3, 3),
extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
valid = [(HashAlgorithm.sha256, expected_signature)]
node = node.add_child(ExpectServerKeyExchange(valid_sig_algs=valid))
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\n\n")))
node = node.add_child(ExpectApplicationData())
node = node.add_child(Close()) # OpenSSL lists them, which makes the response huge
conversations["tolerance 32758 methods with sig_alg_cert"] = conversation
conversation = Connect(host, port)
node = conversation
groups = [GroupName.secp256r1]
ciphers = [CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
# generate maximum number of methods for 2 extensions
# (4 bytes for extensions header, 2 bytes for length of list inside
# extension leaving 65522 bytes)
n = 32757
n = n - 1 # this is the mandatory method in the end
n = n - len(expected_sig_list) # number of methods in sig_alg_cert extension
sigs = list(chain(
((i, j) for i in range(10, 224) for j in range(10, (n // 214) + 10)),
((i, 163) for i in range(10, (n % 214) + 10)),
[(HashAlgorithm.sha256, expected_signature)]))
ext = {ExtensionType.signature_algorithms :
SignatureAlgorithmsExtension().create(sigs),
ExtensionType.signature_algorithms_cert :
SignatureAlgorithmsCertExtension().create(expected_sig_list)}
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
node = node.add_child(ClientHelloGenerator(ciphers, version=(3, 3),
extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
valid = [(HashAlgorithm.sha256, expected_signature)]
node = node.add_child(ExpectServerKeyExchange(valid_sig_algs=valid))
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\n\n")))
node = node.add_child(ExpectApplicationData())
node = node.add_child(Close()) # OpenSSL lists them, which makes the response huge
conversations["tolerance max {0} number of methods with sig_alg_cert".format(n)] = conversation
conversation = Connect(host, port)
node = conversation
groups = [GroupName.secp256r1]
ciphers = [CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
sigs = []
ext = {ExtensionType.signature_algorithms :
SignatureAlgorithmsExtension().create(sigs),
ExtensionType.signature_algorithms_cert :
SignatureAlgorithmsCertExtension().create(SIG_ALL)}
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
hello = ClientHelloGenerator(ciphers, version=(3, 3),
extensions=ext)
node = node.add_child(hello)
node = node.add_child(ExpectAlert(AlertLevel.fatal,
getattr(AlertDescription, fatal_alert)))
node = node.add_child(ExpectClose())
conversations["empty list of signature methods"] = \
conversation
# generate maximum number of methods for 2 extensions
# (4 bytes for extensions header, 2 bytes for length of list inside
# extension leaving 65522 bytes)
for n in [215, 2355, 8132, 23754, 32757]:
conversation = Connect(host, port)
node = conversation
groups = [GroupName.secp256r1]
ciphers = [CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
n = n - 1 # this is the mandatory method in the end
n = n - len(expected_sig_list) # number of methods in sig_alg_cert extension
sigs = [(HashAlgorithm.sha1, SignatureAlgorithm.dsa)] * n
sigs += [(HashAlgorithm.sha256, expected_signature)]
ext = {ExtensionType.signature_algorithms :
SignatureAlgorithmsExtension().create(sigs),
ExtensionType.signature_algorithms_cert :
SignatureAlgorithmsCertExtension().create(expected_sig_list)}
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
node = node.add_child(ClientHelloGenerator(ciphers, version=(3, 3),
extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
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\n\n")))
# ApplicationData message may show up 1 to many times
node = node.add_child(ExpectApplicationData())
node = node.add_child(AlertGenerator(AlertLevel.warning,
AlertDescription.close_notify))
cycle_alert = ExpectAlert()
node = node.add_child(cycle_alert)
node.next_sibling = ExpectApplicationData()
node.next_sibling.add_child(cycle_alert)
node.next_sibling.next_sibling = ExpectClose()
conversations["duplicated {0} non-rsa schemes".format(n)] = conversation
conversation = Connect(host, port)
node = conversation
groups = [GroupName.secp256r1]
ciphers = [CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
# Add all supported sig_algs, put rsa(or ecdsa if --ecdsa used) at the end
first = 'ecdsa'
last = 'rsa'
if expected_signature == SignatureAlgorithm.ecdsa:
first = 'rsa'
last = 'ecdsa'
sig_algs = []
for sig_alg in [first, 'dsa']:
sig_algs += [(getattr(HashAlgorithm, x), getattr(SignatureAlgorithm, sig_alg))\
for x in ['md5', 'sha1', 'sha224', 'sha256', 'sha384', 'sha512']]
sig_algs += [SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_rsae_sha384,
SignatureScheme.rsa_pss_rsae_sha512,
SignatureScheme.rsa_pss_pss_sha256,
SignatureScheme.rsa_pss_pss_sha384,
SignatureScheme.rsa_pss_pss_sha512]
# ed25519(0x0807), ed448(0x0808)
sig_algs += [(8, 7), (8, 8)]
sig_algs += [(getattr(HashAlgorithm, x), getattr(SignatureAlgorithm, last))\
for x in ['md5', 'sha1', 'sha224', 'sha256', 'sha384', 'sha512']]
ext = {ExtensionType.signature_algorithms :
SignatureAlgorithmsExtension().create(sig_algs),
ExtensionType.signature_algorithms_cert :
SignatureAlgorithmsCertExtension().create(expected_sig_list)}
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
node = node.add_child(ClientHelloGenerator(ciphers, version=(3, 3),
extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
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\n\n")))
# ApplicationData message may show up 1 to many times
node = node.add_child(ExpectApplicationData())
node = node.add_child(AlertGenerator(AlertLevel.warning,
AlertDescription.close_notify))
cycle_alert = ExpectAlert()
node = node.add_child(cycle_alert)
node.next_sibling = ExpectApplicationData()
node.next_sibling.add_child(cycle_alert)
node.next_sibling.next_sibling = ExpectClose()
conversations["unique and well-known sig_algs, {0} algorithm last".format(last)] = conversation
for i in range(1, 0x100):
conversation = Connect(host, port)
node = conversation
groups = [GroupName.secp256r1]
ciphers = [CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
sig_alg = SignatureAlgorithmsExtension()
sig_alg.create([(HashAlgorithm.sha256, expected_signature),
(HashAlgorithm.sha1, expected_signature)])
ext = OrderedDict()
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
ext[ExtensionType.signature_algorithms] = sig_alg
hello = ClientHelloGenerator(ciphers, version=(3, 3),
extensions=ext)
node = node.add_child(fuzz_message(hello, xors={-5:i}))
node = node.add_child(ExpectAlert(AlertLevel.fatal,
getattr(AlertDescription, fatal_alert)))
node = node.add_child(ExpectClose())
conversations["fuzz length inside extension to {0}".format(4^i)] = \
conversation
# run the conversation
good = 0
bad = 0
failed = []
# 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'])]
regular_tests = [(k, v) for k, v in conversations.items() if k != 'sanity']
shuffled_tests = sample(regular_tests, len(regular_tests))
ordered_tests = chain(sanity_tests, shuffled_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
try:
runner.run()
except:
print("Error while processing")
print(traceback.format_exc())
res = False
if res:
good+=1
print("OK")
else:
bad+=1
failed.append(c_name)
print("Signature Algorithms in TLS 1.2")
print("Check if valid signature algorithm extensions are accepted and")
print("invalid properly rejected by the TLS 1.2 server.\n")
print("")
print("NOTE: For 'unique and well-known sig_algs..' conversation, the server")
print("must be configured to support only rsa_pkcs1_sha512 in case of an RSA")
print("certificate and ecdsa+sha512 in case of an ECDSA certificate.")
print("version: {0}\n".format(version))
print("Test end")
print("successful: {0}".format(good))
print("failed: {0}".format(bad))
failed_sorted = sorted(failed, key=natural_sort_keys)
print(" {0}".format('\n '.join(repr(i) for i in failed_sorted)))
if bad > 0:
sys.exit(1)
def main():
host = "localhost"
port = 4433
num_limit = None
run_exclude = set()
private_key = None
cert = None
exp_illeg_param = False
sigalgs = [SignatureScheme.ecdsa_secp521r1_sha512,
SignatureScheme.ecdsa_secp384r1_sha384,
SignatureScheme.ecdsa_secp256r1_sha256,
(HashAlgorithm.sha224, SignatureAlgorithm.ecdsa),
(HashAlgorithm.sha1, SignatureAlgorithm.ecdsa),
SignatureScheme.rsa_pss_rsae_sha512,
SignatureScheme.rsa_pss_pss_sha512,
SignatureScheme.rsa_pss_rsae_sha384,
SignatureScheme.rsa_pss_pss_sha384,
SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_pss_sha256,
(HashAlgorithm.sha512, SignatureAlgorithm.rsa),
(HashAlgorithm.sha384, SignatureAlgorithm.rsa),
(HashAlgorithm.sha256, SignatureAlgorithm.rsa),
(HashAlgorithm.sha224, SignatureAlgorithm.rsa),
(HashAlgorithm.sha1, SignatureAlgorithm.rsa)]
argv = sys.argv[1:]
opts, args = getopt.getopt(argv, "h:p:e:n:k:c:s:", ["help", "illegpar"])
for opt, arg in opts:
if opt == '-k':
text_key = open(arg, 'rb').read()
if sys.version_info[0] >= 3:
text_key = str(text_key, 'utf-8')
private_key = parsePEMKey(text_key, private=True,
implementations=["python"])
elif opt == '-c':
text_cert = open(arg, 'rb').read()
if sys.version_info[0] >= 3:
text_cert = str(text_cert, 'utf-8')
cert = X509()
cert.parse(text_cert)
elif opt == '-s':
sigalgs = sig_algs_to_ids(arg)
elif opt == '-h':
host = arg
elif opt == '-p':
port = int(arg)
elif opt == '-e':
run_exclude.add(arg)
elif opt == '-n':
num_limit = int(arg)
elif opt == '--illegpar':
exp_illeg_param = 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
if not private_key:
raise ValueError("Specify private key file using -k")
if not cert:
raise ValueError("Specify certificate file using -c")
conversations = {}
conversations_long = {}
conversation = Connect(host, port)
node = conversation
sigs = [SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_rsae_sha384,
SignatureScheme.rsa_pss_rsae_sha512,
SignatureScheme.rsa_pss_pss_sha256,
SignatureScheme.rsa_pss_pss_sha384,
SignatureScheme.rsa_pss_pss_sha512,
(HashAlgorithm.sha512, SignatureAlgorithm.rsa),
(HashAlgorithm.sha384, SignatureAlgorithm.rsa),
(HashAlgorithm.sha256, SignatureAlgorithm.rsa),
(HashAlgorithm.sha224, SignatureAlgorithm.rsa),
(HashAlgorithm.sha1, SignatureAlgorithm.rsa)]
ext = {ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(sigs),
ExtensionType.signature_algorithms_cert:
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)}
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]
node = node.add_child(ClientHelloGenerator(ciphers,
extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
algs = [SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_rsae_sha384,
SignatureScheme.rsa_pss_rsae_sha512,
SignatureScheme.rsa_pss_pss_sha256,
SignatureScheme.rsa_pss_pss_sha384,
SignatureScheme.rsa_pss_pss_sha512
]
node = node.add_child(ExpectServerKeyExchange(valid_sig_algs=algs))
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(ClientKeyExchangeGenerator())
node = node.add_child(CertificateVerifyGenerator(private_key))
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\n\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()
node = node.add_child(ExpectClose())
conversations["sanity"] = conversation
# check if RSA-PSS can be the only one
conversation = Connect(host, port)
node = conversation
sigs = [SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_rsae_sha384,
SignatureScheme.rsa_pss_rsae_sha512,
SignatureScheme.rsa_pss_pss_sha256,
SignatureScheme.rsa_pss_pss_sha384,
SignatureScheme.rsa_pss_pss_sha512
]
ext = {ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(sigs),
ExtensionType.signature_algorithms_cert:
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)}
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]
node = node.add_child(ClientHelloGenerator(ciphers,
extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(ClientKeyExchangeGenerator())
node = node.add_child(CertificateVerifyGenerator(private_key))
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\n\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()
node = node.add_child(ExpectClose())
conversations["RSA-PSS only"] = conversation
# check if algs in CertificateRequest are expected
conversation = Connect(host, port)
node = conversation
sigs = [SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_rsae_sha384,
SignatureScheme.rsa_pss_rsae_sha512,
SignatureScheme.rsa_pss_pss_sha256,
SignatureScheme.rsa_pss_pss_sha384,
SignatureScheme.rsa_pss_pss_sha512
]
ext = {ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(sigs),
ExtensionType.signature_algorithms_cert:
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)}
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]
node = node.add_child(ClientHelloGenerator(ciphers,
extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectCertificateRequest(sig_algs=sigalgs))
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(ClientKeyExchangeGenerator())
node = node.add_child(CertificateVerifyGenerator(private_key))
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\n\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()
node = node.add_child(ExpectClose())
conversations["check CertificateRequest sigalgs"] = conversation
if cert.certAlg == "rsa":
schemes = [SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_rsae_sha384,
SignatureScheme.rsa_pss_rsae_sha512]
invalid_schemes = [SignatureScheme.rsa_pss_pss_sha256,
SignatureScheme.rsa_pss_pss_sha384,
SignatureScheme.rsa_pss_pss_sha512]
else:
schemes = [SignatureScheme.rsa_pss_pss_sha256,
SignatureScheme.rsa_pss_pss_sha384,
SignatureScheme.rsa_pss_pss_sha512]
invalid_schemes = [SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_rsae_sha384,
SignatureScheme.rsa_pss_rsae_sha512]
for scheme in invalid_schemes:
conversation = Connect(host, port)
node = conversation
sigs = [SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_rsae_sha384,
SignatureScheme.rsa_pss_rsae_sha512,
SignatureScheme.rsa_pss_pss_sha256,
SignatureScheme.rsa_pss_pss_sha384,
SignatureScheme.rsa_pss_pss_sha512
]
ext = {ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(sigs),
ExtensionType.signature_algorithms_cert:
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)}
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]
node = node.add_child(ClientHelloGenerator(ciphers,
extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(ClientKeyExchangeGenerator())
node = node.add_child(CertificateVerifyGenerator(private_key,
msg_alg=scheme))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
if exp_illeg_param:
node = node.add_child(ExpectAlert(AlertLevel.fatal,
AlertDescription.illegal_parameter))
else:
node = node.add_child(ExpectAlert(AlertLevel.fatal,
AlertDescription.decrypt_error))
node = node.add_child(ExpectClose())
conversations["{0} in CertificateVerify with {1} key"
.format(SignatureScheme.toRepr(scheme), cert.certAlg)] = conversation
# check if CertificateVerify can be signed with any algorithm
for scheme in schemes:
conversation = Connect(host, port)
node = conversation
sigs = [SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_rsae_sha384,
SignatureScheme.rsa_pss_rsae_sha512,
SignatureScheme.rsa_pss_pss_sha256,
SignatureScheme.rsa_pss_pss_sha384,
SignatureScheme.rsa_pss_pss_sha512
]
ext = {ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(sigs),
ExtensionType.signature_algorithms_cert:
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)}
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]
node = node.add_child(ClientHelloGenerator(ciphers,
extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(ClientKeyExchangeGenerator())
node = node.add_child(CertificateVerifyGenerator(private_key,
msg_alg=scheme))
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\n\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()
node = node.add_child(ExpectClose())
conversations["{0} in CertificateVerify with {1} key"
.format(SignatureScheme.toRepr(scheme), cert.certAlg)] = conversation
# check if CertificateVerify with wrong salt size is rejected
for scheme in schemes:
conversation = Connect(host, port)
node = conversation
sigs = [SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_rsae_sha384,
SignatureScheme.rsa_pss_rsae_sha512,
SignatureScheme.rsa_pss_pss_sha256,
SignatureScheme.rsa_pss_pss_sha384,
SignatureScheme.rsa_pss_pss_sha512
]
ext = {ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(sigs),
ExtensionType.signature_algorithms_cert:
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)}
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]
node = node.add_child(ClientHelloGenerator(ciphers,
extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(ClientKeyExchangeGenerator())
node = node.add_child(CertificateVerifyGenerator(private_key,
msg_alg=scheme,
rsa_pss_salt_len=20))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
node = node.add_child(ExpectAlert(AlertLevel.fatal,
AlertDescription.decrypt_error))
node = node.add_child(ExpectClose())
conversations["{0} in CertificateVerify with incorrect salt len"
.format(SignatureScheme.toRepr(scheme))] = conversation
# check if CertificateVerify with wrong salt size is rejected
for pos in range(numBytes(private_key.n)):
for xor in [0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80]:
conversation = Connect(host, port)
node = conversation
sigs = [SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_rsae_sha384,
SignatureScheme.rsa_pss_rsae_sha512,
SignatureScheme.rsa_pss_pss_sha256,
SignatureScheme.rsa_pss_pss_sha384,
SignatureScheme.rsa_pss_pss_sha512
]
ext = {ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(sigs),
ExtensionType.signature_algorithms_cert:
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)}
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]
node = node.add_child(ClientHelloGenerator(ciphers,
extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(ClientKeyExchangeGenerator())
if cert.certAlg == "rsa":
scheme = SignatureScheme.rsa_pss_rsae_sha256
else:
scheme = SignatureScheme.rsa_pss_pss_sha256
node = node.add_child(CertificateVerifyGenerator(private_key,
msg_alg=scheme,
padding_xors={pos:xor}))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
node = node.add_child(ExpectAlert(AlertLevel.fatal,
AlertDescription.decrypt_error))
node = node.add_child(ExpectClose())
conversations_long["malformed {0} in CertificateVerify - xor {1} at {2}"
.format(cert.certAlg, hex(xor), pos)] = conversation
if cert.certAlg == "rsa-pss":
conversation = Connect(host, port)
node = conversation
sigs = [SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_rsae_sha384,
SignatureScheme.rsa_pss_rsae_sha512,
SignatureScheme.rsa_pss_pss_sha256,
SignatureScheme.rsa_pss_pss_sha384,
SignatureScheme.rsa_pss_pss_sha512
]
ext = {ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(sigs),
ExtensionType.signature_algorithms_cert:
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)}
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]
node = node.add_child(ClientHelloGenerator(ciphers,
extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(ClientKeyExchangeGenerator())
node = node.add_child(CertificateVerifyGenerator(private_key,
msg_alg=SignatureScheme.rsa_pkcs1_sha256,
sig_alg=SignatureScheme.rsa_pkcs1_sha256))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
if exp_illeg_param:
node = node.add_child(ExpectAlert(AlertLevel.fatal,
AlertDescription.illegal_parameter))
else:
node = node.add_child(ExpectAlert(AlertLevel.fatal,
AlertDescription.decrypt_error))
node = node.add_child(ExpectClose())
conversations["rsa_pkcs1_sha256 signature in CertificateVerify "
"with rsa-pss key"] = conversation
conversation = Connect(host, port)
node = conversation
sigs = [SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_rsae_sha384,
SignatureScheme.rsa_pss_rsae_sha512,
SignatureScheme.rsa_pss_pss_sha256,
SignatureScheme.rsa_pss_pss_sha384,
SignatureScheme.rsa_pss_pss_sha512
]
ext = {ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(sigs),
ExtensionType.signature_algorithms_cert:
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)}
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]
node = node.add_child(ClientHelloGenerator(ciphers,
extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(ClientKeyExchangeGenerator())
if cert.certAlg == "rsa":
sig_alg = SignatureScheme.rsa_pss_rsae_sha256
else:
sig_alg = SignatureScheme.rsa_pss_pss_sha256
node = node.add_child(CertificateVerifyGenerator(private_key,
msg_alg=SignatureScheme.rsa_pkcs1_sha256,
sig_alg=sig_alg))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
if exp_illeg_param and cert.certAlg != "rsa":
node = node.add_child(ExpectAlert(AlertLevel.fatal,
AlertDescription.illegal_parameter))
else:
# with rsaEncryption key in certificate, there is nothing the TLS
# layer can inspect to decide if the signature is valid before actually
# verifying it
# for rsassa-pss, rsa_pkcs1 signature is illegal
node = node.add_child(ExpectAlert(AlertLevel.fatal,
AlertDescription.decrypt_error))
node = node.add_child(ExpectClose())
conversations["{0} signature in CertificateVerify with rsa_pkcs1_sha256 id"
.format(SignatureScheme.toRepr(sig_alg))] = conversation
conversation = Connect(host, port)
node = conversation
sigs = [SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_rsae_sha384,
SignatureScheme.rsa_pss_rsae_sha512,
SignatureScheme.rsa_pss_pss_sha256,
SignatureScheme.rsa_pss_pss_sha384,
SignatureScheme.rsa_pss_pss_sha512
]
ext = {ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(sigs),
ExtensionType.signature_algorithms_cert:
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)}
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]
node = node.add_child(ClientHelloGenerator(ciphers,
extensions=ext))
node = node.add_child(ExpectServerHello(version=(3, 3)))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(ClientKeyExchangeGenerator())
if cert.certAlg == "rsa":
scheme = SignatureScheme.rsa_pss_rsae_sha256
else:
scheme = SignatureScheme.rsa_pss_pss_sha256
sig = bytearray(b'\xfa\xbc\x0f\x4c')
node = node.add_child(CertificateVerifyGenerator(private_key,
msg_alg=scheme,
signature=sig))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
node = node.add_child(ExpectAlert(AlertLevel.fatal,
AlertDescription.decrypt_error))
node = node.add_child(ExpectClose())
conversations["short sig with {0} id".format(
SignatureScheme.toRepr(scheme))] = conversation
# run the conversation
good = 0
bad = 0
failed = []
if not num_limit:
num_limit = len(conversations_long)
# 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'])]
short_tests = [(k, v) for k, v in conversations.items() if k != 'sanity']
long_tests = list(conversations_long.items())
long_sampled_tests = sample(long_tests, min(num_limit, len(long_tests)))
regular_tests = sample(long_sampled_tests + short_tests,
len(long_sampled_tests) + len(short_tests))
ordered_tests = chain(sanity_tests, regular_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
try:
runner.run()
except Exception:
print("Error while processing")
print(traceback.format_exc())
res = False
if res:
good += 1
print("OK\n")
else:
bad += 1
failed.append(c_name)
print("Check handling of rsa-pss signatures")
print("Test should be run twice, once with certificate with")
print("rsaEncryption key and once with certificate with rsassa-pss key.")
print("Implementations that inspect certificate type and check signature")
print("scheme in CertificateVerify before verifying signature need to use")
print("--illegpar option")
print("version: {0}\n".format(version))
print("Test end")
print("successful: {0}".format(good))
print("failed: {0}".format(bad))
failed_sorted = sorted(failed, key=natural_sort_keys)
print(" {0}".format('\n '.join(repr(i) for i in failed_sorted)))
if bad > 0:
sys.exit(1)
def main():
host = "localhost"
port = 4433
num_limit = None
run_exclude = set()
expected_failures = {}
last_exp_tmp = None
dhe = False
sig_algs_drop_ok = False
no_renego = False
argv = sys.argv[1:]
opts, args = getopt.getopt(argv, "h:p:e:x:X:n:d", ["help", "sig-algs-drop-ok", "no-renego"])
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 == '--sig-algs-drop-ok':
sig_algs_drop_ok = True
elif opt == '--no-renego':
no_renego = 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 = {}
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(SIG_ALL)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(SIG_ALL)
if dhe:
groups = [GroupName.secp256r1,
GroupName.ffdhe2048]
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
ciphers = [CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
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))
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")))
# some servers incorrectly send reply in multiple records,
# leaking length of headers as a result,
# they also may or may not close the connection after sending data
# so just expect one record and then just close the connection
node = node.add_child(ExpectApplicationData())
node.add_child(Close())
conversations["sanity"] = conversation
# check if renegotiation is supported
conversation = Connect(host, port)
node = conversation
ext = {}
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(SIG_ALL)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(SIG_ALL)
if dhe:
groups = [GroupName.secp256r1,
GroupName.ffdhe2048]
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
ciphers = [CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
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))
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(ResetHandshakeHashes())
renego_exts = dict(ext)
# use None for autogeneration of the renegotiation_info with correct
# paylod
renego_exts[ExtensionType.renegotiation_info] = None
renego_ciphers = list(ciphers)
renego_ciphers.remove(CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV)
node = node.add_child(ClientHelloGenerator(
renego_ciphers,
extensions=renego_exts,
session_id=bytearray(0)))
if no_renego:
node = node.add_child(ExpectAlert(AlertLevel.warning,
AlertDescription.no_renegotiation))
node = node.add_child(ApplicationDataGenerator(
bytearray(b"GET / HTTP/1.0\r\n\r\n")))
# some servers incorrectly send reply in multiple records,
# leaking length of headers as a result,
# they also may or may not close the connection after sending data
# so just expect one record and then just close the connection
node = node.add_child(ExpectApplicationData())
node.add_child(Close())
else:
node = node.add_child(ExpectServerHello(
extensions={ExtensionType.renegotiation_info:None}))
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")))
# some servers incorrectly send reply in multiple records,
# leaking length of headers as a result,
# they also may or may not close the connection after sending data
# so just expect one record and then just close the connection
node = node.add_child(ExpectApplicationData())
node.add_child(Close())
conversations["sanity - renegotiation"] = conversation
# check if renegotiation with resumption is supported
conversation = Connect(host, port)
node = conversation
ext = {}
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(SIG_ALL)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(SIG_ALL)
if dhe:
groups = [GroupName.secp256r1,
GroupName.ffdhe2048]
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
ciphers = [CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
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))
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(ResetHandshakeHashes())
renego_exts = dict(ext)
# use None for autogeneration of the renegotiation_info with correct
# paylod
renego_exts[ExtensionType.renegotiation_info] = None
renego_ciphers = list(ciphers)
renego_ciphers.remove(CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV)
node = node.add_child(ClientHelloGenerator(
renego_ciphers,
extensions=renego_exts))
if no_renego:
node = node.add_child(ExpectAlert(AlertLevel.warning,
AlertDescription.no_renegotiation))
node = node.add_child(ApplicationDataGenerator(
bytearray(b"GET / HTTP/1.0\r\n\r\n")))
# some servers incorrectly send reply in multiple records,
# leaking length of headers as a result,
# they also may or may not close the connection after sending data
# so just expect one record and then just close the connection
node = node.add_child(ExpectApplicationData())
node.add_child(Close())
else:
node = node.add_child(ExpectServerHello(
extensions={ExtensionType.renegotiation_info:None},
resume=True))
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectFinished())
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(ApplicationDataGenerator(
bytearray(b"GET / HTTP/1.0\r\n\r\n")))
# some servers incorrectly send reply in multiple records,
# leaking length of headers as a result,
# they also may or may not close the connection after sending data
# so just expect one record and then just close the connection
node = node.add_child(ExpectApplicationData())
node.add_child(Close())
conversations["sanity - renegotiation with session_id resumption"] = conversation
# no sig_algs and sig_algs_cert
conversation = Connect(host, port)
node = conversation
ext = {}
if dhe:
groups = [GroupName.secp256r1,
GroupName.ffdhe2048]
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
ciphers = [CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
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))
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")))
# some servers incorrectly send reply in multiple records,
# leaking length of headers as a result,
# they also may or may not close the connection after sending data
# so just expect one record and then just close the connection
node = node.add_child(ExpectApplicationData())
node.add_child(Close())
conversations["without signature_algorithms and signature_algorithms_cert ext"] = conversation
# no sig_algs
conversation = Connect(host, port)
node = conversation
ext = {}
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(SIG_ALL)
if dhe:
groups = [GroupName.secp256r1,
GroupName.ffdhe2048]
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
ciphers = [CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
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))
if sig_algs_drop_ok:
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")))
# some servers incorrectly send reply in multiple records,
# leaking length of headers as a result,
# they also may or may not close the connection after sending data
# so just expect one record and then just close the connection
node = node.add_child(ExpectApplicationData())
node.add_child(Close())
else:
node = node.add_child(ExpectAlert(AlertLevel.fatal,
AlertDescription.handshake_failure))
node.next_sibling = ExpectClose()
conversations["without signature_algorithms ext"] = conversation
# drop the sig_algs on renegotiated handshake
conversation = Connect(host, port)
node = conversation
ext = {}
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(SIG_ALL)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(SIG_ALL)
if dhe:
groups = [GroupName.secp256r1,
GroupName.ffdhe2048]
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
ciphers = [CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
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))
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(ResetHandshakeHashes())
renego_exts = dict(ext)
# use None for autogeneration of the renegotiation_info with correct
# paylod
renego_exts[ExtensionType.renegotiation_info] = None
del renego_exts[ExtensionType.signature_algorithms]
renego_ciphers = list(ciphers)
renego_ciphers.remove(CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV)
node = node.add_child(ClientHelloGenerator(
renego_ciphers,
extensions=renego_exts,
session_id=bytearray(0)))
if no_renego:
node = node.add_child(ExpectAlert(AlertLevel.warning,
AlertDescription.no_renegotiation))
node = node.add_child(ApplicationDataGenerator(
bytearray(b"GET / HTTP/1.0\r\n\r\n")))
# some servers incorrectly send reply in multiple records,
# leaking length of headers as a result,
# they also may or may not close the connection after sending data
# so just expect one record and then just close the connection
node = node.add_child(ExpectApplicationData())
node.add_child(Close())
elif not sig_algs_drop_ok:
node = node.add_child(ExpectAlert(AlertLevel.fatal,
AlertDescription.handshake_failure))
node.next_sibling = ExpectClose()
else:
node = node.add_child(ExpectServerHello(
extensions={ExtensionType.renegotiation_info:None}))
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")))
# some servers incorrectly send reply in multiple records,
# leaking length of headers as a result,
# they also may or may not close the connection after sending data
# so just expect one record and then just close the connection
node = node.add_child(ExpectApplicationData())
node.add_child(Close())
conversations["renegotiation without signature_algorithms ext"] = conversation
# drop the sig_algs_cert on renegotiated handshake
conversation = Connect(host, port)
node = conversation
ext = {}
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(SIG_ALL)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(SIG_ALL)
if dhe:
groups = [GroupName.secp256r1,
GroupName.ffdhe2048]
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
ciphers = [CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
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))
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(ResetHandshakeHashes())
renego_exts = dict(ext)
# use None for autogeneration of the renegotiation_info with correct
# paylod
renego_exts[ExtensionType.renegotiation_info] = None
del renego_exts[ExtensionType.signature_algorithms_cert]
renego_ciphers = list(ciphers)
renego_ciphers.remove(CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV)
node = node.add_child(ClientHelloGenerator(
renego_ciphers,
extensions=renego_exts,
session_id=bytearray(0)))
if no_renego:
node = node.add_child(ExpectAlert(AlertLevel.warning,
AlertDescription.no_renegotiation))
node = node.add_child(ApplicationDataGenerator(
bytearray(b"GET / HTTP/1.0\r\n\r\n")))
# some servers incorrectly send reply in multiple records,
# leaking length of headers as a result,
# they also may or may not close the connection after sending data
# so just expect one record and then just close the connection
node = node.add_child(ExpectApplicationData())
node.add_child(Close())
else:
node = node.add_child(ExpectServerHello(
extensions={ExtensionType.renegotiation_info:None}))
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")))
# some servers incorrectly send reply in multiple records,
# leaking length of headers as a result,
# they also may or may not close the connection after sending data
# so just expect one record and then just close the connection
node = node.add_child(ExpectApplicationData())
node.add_child(Close())
conversations["renegotiation without signature_algorithms_cert ext"] = conversation
# drop the sig_algs and sig_algs_cert on renegotiated handshake
conversation = Connect(host, port)
node = conversation
ext = {}
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(SIG_ALL)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(SIG_ALL)
if dhe:
groups = [GroupName.secp256r1,
GroupName.ffdhe2048]
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
ciphers = [CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
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))
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(ResetHandshakeHashes())
renego_exts = dict(ext)
# use None for autogeneration of the renegotiation_info with correct
# paylod
renego_exts[ExtensionType.renegotiation_info] = None
del renego_exts[ExtensionType.signature_algorithms]
del renego_exts[ExtensionType.signature_algorithms_cert]
renego_ciphers = list(ciphers)
renego_ciphers.remove(CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV)
node = node.add_child(ClientHelloGenerator(
renego_ciphers,
extensions=renego_exts,
session_id=bytearray(0)))
if no_renego:
node = node.add_child(ExpectAlert(AlertLevel.warning,
AlertDescription.no_renegotiation))
node = node.add_child(ApplicationDataGenerator(
bytearray(b"GET / HTTP/1.0\r\n\r\n")))
# some servers incorrectly send reply in multiple records,
# leaking length of headers as a result,
# they also may or may not close the connection after sending data
# so just expect one record and then just close the connection
node = node.add_child(ExpectApplicationData())
node.add_child(Close())
else:
node = node.add_child(ExpectServerHello(
extensions={ExtensionType.renegotiation_info:None}))
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")))
# some servers incorrectly send reply in multiple records,
# leaking length of headers as a result,
# they also may or may not close the connection after sending data
# so just expect one record and then just close the connection
node = node.add_child(ExpectApplicationData())
node.add_child(Close())
conversations["renegotiation without signature_algorithms and sig_algs_cert ext"] = conversation
# check if renegotiation with resumption with missing sig_algs works
conversation = Connect(host, port)
node = conversation
ext = {}
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(SIG_ALL)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(SIG_ALL)
if dhe:
groups = [GroupName.secp256r1,
GroupName.ffdhe2048]
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
ciphers = [CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
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))
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(ResetHandshakeHashes())
renego_exts = dict(ext)
# use None for autogeneration of the renegotiation_info with correct
# paylod
renego_exts[ExtensionType.renegotiation_info] = None
del renego_exts[ExtensionType.signature_algorithms]
renego_ciphers = list(ciphers)
renego_ciphers.remove(CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV)
node = node.add_child(ClientHelloGenerator(
renego_ciphers,
extensions=renego_exts))
if no_renego:
node = node.add_child(ExpectAlert(AlertLevel.warning,
AlertDescription.no_renegotiation))
node = node.add_child(ApplicationDataGenerator(
bytearray(b"GET / HTTP/1.0\r\n\r\n")))
# some servers incorrectly send reply in multiple records,
# leaking length of headers as a result,
# they also may or may not close the connection after sending data
# so just expect one record and then just close the connection
node = node.add_child(ExpectApplicationData())
node.add_child(Close())
else:
node = node.add_child(ExpectServerHello(
extensions={ExtensionType.renegotiation_info:None},
resume=True))
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectFinished())
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(ApplicationDataGenerator(
bytearray(b"GET / HTTP/1.0\r\n\r\n")))
# some servers incorrectly send reply in multiple records,
# leaking length of headers as a result,
# they also may or may not close the connection after sending data
# so just expect one record and then just close the connection
node = node.add_child(ExpectApplicationData())
node.add_child(Close())
conversations["renegotiation with session_id resumption without signature_algorithms ext"] = conversation
# check if renegotiation with resumption with missing sig_algs and sig_algs_cert works
conversation = Connect(host, port)
node = conversation
ext = {}
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(SIG_ALL)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(SIG_ALL)
if dhe:
groups = [GroupName.secp256r1,
GroupName.ffdhe2048]
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
ciphers = [CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
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))
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(ResetHandshakeHashes())
renego_exts = dict(ext)
# use None for autogeneration of the renegotiation_info with correct
# paylod
renego_exts[ExtensionType.renegotiation_info] = None
del renego_exts[ExtensionType.signature_algorithms]
del renego_exts[ExtensionType.signature_algorithms_cert]
renego_ciphers = list(ciphers)
renego_ciphers.remove(CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV)
node = node.add_child(ClientHelloGenerator(
renego_ciphers,
extensions=renego_exts))
if no_renego:
node = node.add_child(ExpectAlert(AlertLevel.warning,
AlertDescription.no_renegotiation))
node = node.add_child(ApplicationDataGenerator(
bytearray(b"GET / HTTP/1.0\r\n\r\n")))
# some servers incorrectly send reply in multiple records,
# leaking length of headers as a result,
# they also may or may not close the connection after sending data
# so just expect one record and then just close the connection
node = node.add_child(ExpectApplicationData())
node.add_child(Close())
else:
node = node.add_child(ExpectServerHello(
extensions={ExtensionType.renegotiation_info:None},
resume=True))
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectFinished())
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(ApplicationDataGenerator(
bytearray(b"GET / HTTP/1.0\r\n\r\n")))
# some servers incorrectly send reply in multiple records,
# leaking length of headers as a result,
# they also may or may not close the connection after sending data
# so just expect one record and then just close the connection
node = node.add_child(ExpectApplicationData())
node.add_child(Close())
conversations["renegotiation with session_id resumption without signature_algorithms and signature_algorithms_cert ext"] = conversation
# check if renegotiation with resumption with missing sig_algs_cert works
conversation = Connect(host, port)
node = conversation
ext = {}
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(SIG_ALL)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(SIG_ALL)
if dhe:
groups = [GroupName.secp256r1,
GroupName.ffdhe2048]
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
ciphers = [CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
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))
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(ResetHandshakeHashes())
renego_exts = dict(ext)
# use None for autogeneration of the renegotiation_info with correct
# paylod
renego_exts[ExtensionType.renegotiation_info] = None
del renego_exts[ExtensionType.signature_algorithms_cert]
renego_ciphers = list(ciphers)
renego_ciphers.remove(CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV)
node = node.add_child(ClientHelloGenerator(
renego_ciphers,
extensions=renego_exts))
if no_renego:
node = node.add_child(ExpectAlert(AlertLevel.warning,
AlertDescription.no_renegotiation))
node = node.add_child(ApplicationDataGenerator(
bytearray(b"GET / HTTP/1.0\r\n\r\n")))
# some servers incorrectly send reply in multiple records,
# leaking length of headers as a result,
# they also may or may not close the connection after sending data
# so just expect one record and then just close the connection
node = node.add_child(ExpectApplicationData())
node.add_child(Close())
else:
node = node.add_child(ExpectServerHello(
extensions={ExtensionType.renegotiation_info:None},
resume=True))
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectFinished())
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(ApplicationDataGenerator(
bytearray(b"GET / HTTP/1.0\r\n\r\n")))
# some servers incorrectly send reply in multiple records,
# leaking length of headers as a result,
# they also may or may not close the connection after sending data
# so just expect one record and then just close the connection
node = node.add_child(ExpectApplicationData())
node.add_child(Close())
conversations["renegotiation with session_id resumption without signature_algorithms_cert ext"] = 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:
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 how server handles signature_algorithms extension in")
print("different renegotiation and resumption scenarios\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)
def main():
host = "localhost"
port = 4433
run_exclude = set()
renego = 1
status = True
argv = sys.argv[1:]
opts, args = getopt.getopt(argv, "h:p:e:r:", ["help", "no-status"])
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 == '-r':
renego = int(arg)
elif opt == '--no-status':
status = False
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 = {}
# check if status_request is recognized and supported
conversation = Connect(host, port)
node = conversation
ciphers = [
CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
ocsp = StatusRequestExtension().create()
ext = {ExtensionType.status_request: ocsp}
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
ext_srv = {ExtensionType.renegotiation_info: None}
if status:
ext_srv[ExtensionType.status_request] = None
node = node.add_child(ExpectServerHello(extensions=ext_srv))
node = node.add_child(ExpectCertificate())
if status:
node = node.add_child(ExpectCertificateStatus())
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\n\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
# check if status_request is recognized and supported
conversation = Connect(host, port)
node = conversation
ciphers = [
CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
ocsp = StatusRequestExtension().create()
ext = {ExtensionType.status_request: ocsp}
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
ext_srv = {ExtensionType.renegotiation_info: None}
if status:
ext_srv[ExtensionType.status_request] = None
node = node.add_child(ExpectServerHello(extensions=ext_srv))
node = node.add_child(ExpectCertificate())
if status:
node = node.add_child(ExpectCertificateStatus())
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())
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA]
ext = {
ExtensionType.status_request: ocsp,
ExtensionType.renegotiation_info: None
}
# renegotiate
node = node.add_child(ResetHandshakeHashes())
node = node.add_child(
ClientHelloGenerator(ciphers, extensions=ext, session_id=bytearray()))
node = node.add_child(ExpectServerHello(extensions=ext_srv))
node = node.add_child(ExpectCertificate())
if status:
node = node.add_child(ExpectCertificateStatus())
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\n\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["renegotiate"] = conversation
# check if responder_id_list is supported
conversation = Connect(host, port)
node = conversation
ciphers = [
CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
# DER encoding of CHOICE[1] OCTETSTRING (20)
ocsp = StatusRequestExtension().create(responder_id_list=[
bytearray(b'\xa2\x16\x04\x14') + bytearray([(i + 2) % 256] * 20)
for i in range(625)
])
ocsp.responder_id_list += [
bytearray(b'\xa2\x16\x04\x14') + bytearray(
b'\x18\x70\x95\x0B\xE0\x8E\x49\x98\x76\x23\x54\xE7\xD1\xFB\x4E\x9B\xB6\x67\x5E\x2B'
)
]
ext = {ExtensionType.status_request: ocsp}
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
ext_srv = {ExtensionType.renegotiation_info: None}
if status:
ext_srv[ExtensionType.status_request] = None
node = node.add_child(ExpectServerHello(extensions=ext_srv))
node = node.add_child(ExpectCertificate())
if status:
node = node.add_child(ExpectCertificateStatus())
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())
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA]
ext = {
ExtensionType.status_request: ocsp,
ExtensionType.renegotiation_info: None
}
# renegotiate
for _ in range(renego):
node = node.add_child(ResetHandshakeHashes())
node = node.add_child(
ClientHelloGenerator(ciphers,
extensions=ext,
session_id=bytearray()))
node = node.add_child(ExpectServerHello(extensions=ext_srv))
node = node.add_child(ExpectCertificate())
if status:
node = node.add_child(ExpectCertificateStatus())
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\n\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["renegotiate with large responder_id_list"] = conversation
# run the conversation
good = 0
bad = 0
failed = []
# 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'])]
regular_tests = [(k, v) for k, v in conversations.items() if k != 'sanity']
shuffled_tests = sample(regular_tests, len(regular_tests))
ordered_tests = chain(sanity_tests, shuffled_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
try:
runner.run()
except:
print("Error while processing")
print(traceback.format_exc())
res = False
if res:
good += 1
print("OK")
else:
bad += 1
failed.append(c_name)
print("Test end")
print("successful: {0}".format(good))
print("failed: {0}".format(bad))
failed_sorted = sorted(failed, key=natural_sort_keys)
print(" {0}".format('\n '.join(repr(i) for i in failed_sorted)))
if bad > 0:
sys.exit(1)
def main():
"""Test if server supports the DHE_RSA key exchange"""
host = "localhost"
port = 4433
num_limit = None
run_exclude = set()
argv = sys.argv[1:]
opts, args = getopt.getopt(argv, "h:p:e:n:", ["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 == '-n':
num_limit = int(arg)
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
ciphers = [CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA]
node = node.add_child(
ClientHelloGenerator(
ciphers, extensions={ExtensionType.renegotiation_info: None}))
node = node.add_child(
ExpectServerHello(extensions={ExtensionType.renegotiation_info: None}))
node = node.add_child(ExpectCertificate())
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\n\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
# run the conversation
good = 0
bad = 0
failed = []
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 throught
sanity_test = ('sanity', conversations['sanity'])
ordered_tests = chain([sanity_test],
islice(
filter(lambda x: x[0] != 'sanity',
conversations.items()), num_limit),
[sanity_test])
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
try:
runner.run()
except:
print("Error while processing")
print(traceback.format_exc())
res = False
if res:
good += 1
print("OK\n")
else:
bad += 1
failed.append(c_name)
print("Test end")
print("successful: {0}".format(good))
print("failed: {0}".format(bad))
failed_sorted = sorted(failed, key=natural_sort_keys)
print(" {0}".format('\n '.join(repr(i) for i in failed_sorted)))
if bad > 0:
sys.exit(1)
def main():
"""
Check SSLv2Hello support
Test if the server supports SSLv2-style Client Hello messages for
negotiating TLS connections
"""
host = "localhost"
port = 4433
num_limit = None
run_exclude = set()
dhe = False
no_ssl2 = False
argv = sys.argv[1:]
opts, args = getopt.getopt(argv, "h:p:e:n:d", ["help", "no-ssl2"])
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 == '-n':
num_limit = int(arg)
elif opt == '-d':
dhe = True
elif opt == '--no-ssl2':
no_ssl2 = 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
if dhe:
ext = {}
groups = [GroupName.secp256r1,
GroupName.ffdhe2048]
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(RSA_SIG_ALL)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
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:
ext = None
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
if no_ssl2:
# any unassigned ciphers are ok, they just work as padding
# we use them to set the length byte of the cipher list in SSLv2 to
# value that will cause the packet to be rejected when parsed as SSLv3
ciphers += [0x0a00 + i for i in range(1, 1+256-len(ciphers))]
# here we are verifying just that the server will not fall over when it
# receives them
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
ext={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(ApplicationDataGenerator(
bytearray(b"GET / HTTP/1.0\n\n")))
node = node.add_child(ExpectApplicationData())
node = node.add_child(AlertGenerator(AlertLevel.warning,
AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.child = ExpectClose()
# if we're doing TLSv1.0 the server should be doing 1/n-1 splitting
node.next_sibling = ExpectApplicationData()
node = node.next_sibling
node.next_sibling = ExpectClose()
conversations["sanity"] = conversation
# instruct RecordLayer to use SSLv2 record layer protocol (0, 2)
conversation = Connect(host, port, version=(0, 2))
node = conversation
if dhe:
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]
if no_ssl2:
# to create a SSLv2 CH that is clearly broken SSLv3 CH we need
# SSLv2 CH with a list of ciphers that has length divisible by 256
# (as cipher IDs in SSLv2 are 3 byte long, 256*3 is the smallest common
# multiple of 3 and 256)
ciphers += [0x0a00 + i for i in range(1, 1+256-len(ciphers))]
node = node.add_child(ClientHelloGenerator(ciphers,
ssl2=True))
if no_ssl2:
node = node.add_child(ExpectAlert())
node.add_child(ExpectClose())
else:
ext={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(ApplicationDataGenerator(
bytearray(b"GET / HTTP/1.0\n\n")))
node = node.add_child(ExpectApplicationData())
node = node.add_child(AlertGenerator(AlertLevel.warning,
AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.child = ExpectClose()
# if we're doing TLSv1.0 the server should be doing 1/n-1 splitting
node.next_sibling = ExpectApplicationData()
node = node.next_sibling
node.next_sibling = ExpectClose()
conversations["SSLv2 Client Hello"] = conversation
conversation = Connect(host, port, version=(0, 2))
node = conversation
node = node.add_child(RawMessageGenerator(ContentType.handshake,
bytearray()))
if dhe:
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]
if no_ssl2:
ciphers += [0x0a00 + i for i in range(1, 1+256-len(ciphers))]
# we depend on alignment of the SSLv2 CH ciphers length and session id
# length with the SSLv3 CH handshake protocol length value
# so for the same kind of test, we need to send 0 bytes as the 7th to
# 9th byte
# the first message is two bytes so it will be interpreted as
# protocol \x80 and first byte of version \x00
# then this header will be interpreted as second byte of version \x80
# and first byte of length - we thus need to send something that is
# multiple of 256
data = bytearray(b'\x04' + # will be interpreted as second byte of
# SSLv3 RecordLayer header
b'\x01' + # will be interpreted as handshake protocol
# message type - client_hello
b'\x00' * 3 + # length of handshake message - 0 bytes
# (invalid)
b'\xff' * (256-5) # padding needed to bring SSLv2
# record length to be multiple of 256
)
assert len(data) % 256 == 0
node = node.add_child(RawMessageGenerator(0, data))
else:
node = node.add_child(ClientHelloGenerator(ciphers,
ssl2=True))
# SSLv2 does not have well defined error handling, so usually errors
# just cause connection close. But sending TLS alert is correct too.
node = node.add_child(ExpectAlert())
if not no_ssl2:
# but be strict with Alerts when SSLv2 is not supported
node.next_sibling = ExpectClose()
node.add_child(ExpectClose())
conversations["Empty SSLv2 record"] = conversation
conversation = Connect(host, port, version=(0, 2))
node = conversation
node = node.add_child(RawMessageGenerator(ContentType.handshake,
bytearray(1)))
if dhe:
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]
if no_ssl2:
ciphers += [0x0a00 + i for i in range(1, 1+256-len(ciphers))]
node = node.add_child(ClientHelloGenerator(ciphers,
ssl2=True))
node = node.add_child(ExpectAlert())
if not no_ssl2:
node.next_sibling = ExpectClose()
node.add_child(ExpectClose())
conversations["Empty SSLv2 record - type 0"] = conversation
conversation = Connect(host, port, version=(0, 2))
node = conversation
node = node.add_child(RawMessageGenerator(ContentType.handshake,
bytearray([1])))
if dhe:
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]
if no_ssl2:
ciphers += [0x0a00 + i for i in range(1, 1+256-len(ciphers))]
node = node.add_child(ClientHelloGenerator(ciphers,
ssl2=True))
node = node.add_child(ExpectAlert())
if not no_ssl2:
node.next_sibling = ExpectClose()
node.add_child(ExpectClose())
conversations["Empty SSLv2 record - type 1"] = conversation
conversation = Connect(host, port, version=(0, 2))
node = conversation
node = node.add_child(RawMessageGenerator(ContentType.handshake,
bytearray(b'\x01\x03\x03')))
if dhe:
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]
if no_ssl2:
ciphers += [0x0a00 + i for i in range(1, 1+256-len(ciphers))]
node = node.add_child(ClientHelloGenerator(ciphers,
ssl2=True))
node = node.add_child(ExpectAlert())
if not no_ssl2:
node.next_sibling = ExpectClose()
node = node.add_child(ExpectClose())
conversations["Just version in SSLv2 hello"] = conversation
# run the conversations
good = 0
bad = 0
failed = []
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'])]
regular_tests = [(k, v) for k, v in conversations.items() if k != 'sanity']
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
try:
runner.run()
except Exception:
print("Error while processing")
print(traceback.format_exc())
res = False
if res:
good += 1
print("OK\n")
else:
bad += 1
failed.append(c_name)
print("Basic test for SSLv2 Hello protocol for TLS 1.0 to TLS 1.2 "
"negotiation")
print("Checks if the server can negotiate TLS when client initiated the")
print("connection using a SSLv2 compatible ClientHello but included TLS")
print("compatible ciphersuites")
print("Alternatively, verifies that SSLv2 records are rejected when run")
print("with --no-ssl2 option\n")
print("version: {0}\n".format(version))
print("Test end")
print("successful: {0}".format(good))
print("failed: {0}".format(bad))
failed_sorted = sorted(failed, key=natural_sort_keys)
print(" {0}".format('\n '.join(repr(i) for i in failed_sorted)))
if bad > 0:
sys.exit(1)
def main():
"""Check that server propoerly rejects pkcs1 signatures in TLS 1.3"""
hostname = "localhost"
port = 4433
num_limit = None
run_exclude = set()
cert = None
private_key = None
sigalgs = [SignatureScheme.rsa_pss_rsae_sha512,
SignatureScheme.rsa_pss_pss_sha512,
SignatureScheme.rsa_pss_rsae_sha384,
SignatureScheme.rsa_pss_pss_sha384,
SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_pss_sha256,
SignatureScheme.rsa_pkcs1_sha512,
SignatureScheme.rsa_pkcs1_sha384,
SignatureScheme.rsa_pkcs1_sha256,
SignatureScheme.rsa_pkcs1_sha224,
SignatureScheme.rsa_pkcs1_sha1]
hashalgs = hashes_to_list("sha256 sha384 sha512")
argv = sys.argv[1:]
opts, args = getopt.getopt(argv, "h:p:e:n:s:k:c:", ["help", "hash-order="])
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 == '-n':
num_limit = int(arg)
elif opt == '--help':
help_msg()
sys.exit(0)
elif opt == '-s':
sigalgs = sig_algs_to_ids(arg)
elif opt == '--hash-order':
hashalgs = hashes_to_list(arg)
elif opt == '-k':
text_key = open(arg, 'rb').read()
if sys.version_info[0] >= 3:
text_key = str(text_key, 'utf-8')
private_key = parsePEMKey(text_key, private=True)
elif opt == '-c':
text_cert = open(arg, 'rb').read()
if sys.version_info[0] >= 3:
text_cert = str(text_cert, 'utf-8')
cert = X509()
cert.parse(text_cert)
else:
raise ValueError("Unknown option: {0}".format(opt))
if args:
run_only = set(args)
else:
run_only = None
if not cert or not private_key:
raise Exception("A Client certificate and a private key are required")
certType = cert.certAlg
conversations = {}
conversations_long = {}
# sanity check for Client Certificates
conversation = Connect(hostname, port)
node = conversation
ciphers = [CipherSuite.TLS_AES_128_GCM_SHA256,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
ext = {}
groups = [GroupName.secp256r1]
ext[ExtensionType.key_share] = key_share_ext_gen(groups)
ext[ExtensionType.supported_versions] = \
SupportedVersionsExtension().create([(3, 4), (3, 3)])
ext[ExtensionType.supported_groups] = \
SupportedGroupsExtension().create(groups)
sig_algs = [SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_pss_sha256]
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(sig_algs)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectEncryptedExtensions())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectCertificateVerify())
node = node.add_child(ExpectFinished())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(CertificateVerifyGenerator(private_key))
node = node.add_child(FinishedGenerator())
node = node.add_child(ApplicationDataGenerator(
bytearray(b"GET / HTTP/1.0\r\n\r\n")))
# This message is optional and may show up 0 to many times
cycle = ExpectNewSessionTicket()
node = node.add_child(cycle)
node.add_child(cycle)
node.next_sibling = ExpectApplicationData()
node = node.next_sibling.add_child(AlertGenerator(AlertLevel.warning,
AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
conversations["sanity"] = conversation
# verify the advertised hashes
conversation = Connect(hostname, port)
node = conversation
ciphers = [CipherSuite.TLS_AES_128_GCM_SHA256,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
ext = {}
groups = [GroupName.secp256r1]
ext[ExtensionType.key_share] = key_share_ext_gen(groups)
ext[ExtensionType.supported_versions] = \
SupportedVersionsExtension().create([(3, 4), (3, 3)])
ext[ExtensionType.supported_groups] = \
SupportedGroupsExtension().create(groups)
sig_algs = [SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_pss_sha256]
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(sig_algs)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectEncryptedExtensions())
node = node.add_child(ExpectCertificateRequest(sigalgs))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectCertificateVerify())
node = node.add_child(ExpectFinished())
node = node.add_child(CertificateGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(ApplicationDataGenerator(
bytearray(b"GET / HTTP/1.0\r\n\r\n")))
# This message is optional and may show up 0 to many times
cycle = ExpectNewSessionTicket()
node = node.add_child(cycle)
node.add_child(cycle)
node.next_sibling = ExpectApplicationData()
node = node.next_sibling.add_child(AlertGenerator(AlertLevel.warning,
AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
conversations["check sigalgs in cert request"] = conversation
for sigalg in RSA_SIG_ALL:
# set if test should succeed or fail based on cert type,
# advertisement and forbidden algorithms
expectPass = True
if certType == "rsa" and sigalg in (
SignatureScheme.rsa_pss_pss_sha256,
SignatureScheme.rsa_pss_pss_sha384,
SignatureScheme.rsa_pss_pss_sha512):
expectPass = False
elif certType == "rsa-pss" and sigalg in (
SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_rsae_sha384,
SignatureScheme.rsa_pss_rsae_sha512):
expectPass = False
# also verify that pkcs1 signatures are unconditionally refused
if sigalg in ((HashAlgorithm.md5, SignatureAlgorithm.rsa),
SignatureScheme.rsa_pkcs1_sha1,
SignatureScheme.rsa_pkcs1_sha224,
SignatureScheme.rsa_pkcs1_sha256,
SignatureScheme.rsa_pkcs1_sha384,
SignatureScheme.rsa_pkcs1_sha512):
expectPass = False
# also expect failure if an algorithm is not advertized
if sigalg not in sigalgs:
expectPass = False
conversation = Connect(hostname, port)
node = conversation
ciphers = [CipherSuite.TLS_AES_128_GCM_SHA256,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
ext = {}
groups = [GroupName.secp256r1]
ext[ExtensionType.key_share] = key_share_ext_gen(groups)
ext[ExtensionType.supported_versions] = \
SupportedVersionsExtension().create([(3, 4), (3, 3)])
ext[ExtensionType.supported_groups] = \
SupportedGroupsExtension().create(groups)
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(sigalgs)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectEncryptedExtensions())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectCertificateVerify())
node = node.add_child(ExpectFinished())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
# force sigalg
node = node.add_child(CertificateVerifyGenerator(private_key, msg_alg=
sigalg))
node = node.add_child(FinishedGenerator())
result = "works"
# only signatures of matching certificate type should work
if expectPass:
node = node.add_child(ApplicationDataGenerator(
bytearray(b"GET / HTTP/1.0\r\n\r\n")))
# This message is optional and may show up 0 to many times
cycle = ExpectNewSessionTicket()
node = node.add_child(cycle)
node.add_child(cycle)
node.next_sibling = ExpectApplicationData()
node = node.next_sibling.add_child(AlertGenerator(
AlertLevel.warning, AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
else:
node = node.add_child(ExpectAlert(
AlertLevel.fatal, AlertDescription.illegal_parameter))
node.add_child(ExpectClose())
result = "is refused"
conversations["check {0} signature {1}".format(
SignatureScheme.toStr(sigalg), result)] = conversation
# verify that rsa-pss signatures with empty, too short or too long
# salt fail
msgalg = sigalg_select("rsa_pss", hashalgs, sigalgs, certType)
hash_name = SignatureScheme.getHash(SignatureScheme.toRepr(msgalg))
digest_len = getattr(tlshashlib, hash_name)().digest_size
for saltlen in (0, digest_len - 1, digest_len + 1):
conversation = Connect(hostname, port)
node = conversation
ciphers = [CipherSuite.TLS_AES_128_GCM_SHA256,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
ext = {}
groups = [GroupName.secp256r1]
ext[ExtensionType.key_share] = key_share_ext_gen(groups)
ext[ExtensionType.supported_versions] = \
SupportedVersionsExtension().create([(3, 4), (3, 3)])
ext[ExtensionType.supported_groups] = \
SupportedGroupsExtension().create(groups)
sig_algs = [SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_pss_sha256]
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(sig_algs)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectEncryptedExtensions())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectCertificateVerify())
node = node.add_child(ExpectFinished())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
# force salt length
node = node.add_child(CertificateVerifyGenerator(
private_key, rsa_pss_salt_len=saltlen))
node = node.add_child(FinishedGenerator())
node = node.add_child(ExpectAlert(
AlertLevel.fatal, AlertDescription.decrypt_error))
node.add_child(ExpectClose())
conversations["check signature with salt length {0}".format(
saltlen)] = conversation
# verify that a rsa-pkcs1 signature in a rsa-pss ID envelope fails
sigalg = sigalg_select("rsa_pkcs1", hashalgs)
msgalg = sigalg_select("rsa_pss", hashalgs, sigalgs, certType)
conversation = Connect(hostname, port)
node = conversation
ciphers = [CipherSuite.TLS_AES_128_GCM_SHA256,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
ext = {}
groups = [GroupName.secp256r1]
ext[ExtensionType.key_share] = key_share_ext_gen(groups)
ext[ExtensionType.supported_versions] = \
SupportedVersionsExtension().create([(3, 4), (3, 3)])
ext[ExtensionType.supported_groups] = \
SupportedGroupsExtension().create(groups)
sig_algs = [SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_pss_sha256]
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(sig_algs)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectEncryptedExtensions())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectCertificateVerify())
node = node.add_child(ExpectFinished())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(CertificateVerifyGenerator(
private_key, sig_alg=sigalg, msg_alg=msgalg))
node = node.add_child(FinishedGenerator())
node = node.add_child(ExpectAlert(
AlertLevel.fatal, AlertDescription.decrypt_error))
node.add_child(ExpectClose())
scheme = SignatureScheme.toRepr(sigalg)
conversations["check pkcs1 signature with rsa-pss envelope fails"] = \
conversation
# verify that a rsa-pss signature with mismatched message hash fails
msgalg = sigalg_select("rsa_pss", hashalgs, sigalgs, certType)
# choose a similar scheme with just a different hash, doesn't need to be
# a server supported sigalg
hash_name = SignatureScheme.getHash(SignatureScheme.toRepr(msgalg))
_hashalgs = [x for x in hashalgs if x != hash_name]
sigalg = sigalg_select("rsa_pss", _hashalgs, cert_type=certType)
conversation = Connect(hostname, port)
node = conversation
ciphers = [CipherSuite.TLS_AES_128_GCM_SHA256,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
ext = {}
groups = [GroupName.secp256r1]
ext[ExtensionType.key_share] = key_share_ext_gen(groups)
ext[ExtensionType.supported_versions] = \
SupportedVersionsExtension().create([(3, 4), (3, 3)])
ext[ExtensionType.supported_groups] = \
SupportedGroupsExtension().create(groups)
sig_algs = [SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_pss_sha256]
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(sig_algs)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectEncryptedExtensions())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectCertificateVerify())
node = node.add_child(ExpectFinished())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(CertificateVerifyGenerator(
private_key, sig_alg=sigalg, msg_alg=msgalg))
node = node.add_child(FinishedGenerator())
node = node.add_child(ExpectAlert(
AlertLevel.fatal, AlertDescription.decrypt_error))
node.add_child(ExpectClose())
conversations["check rsa-pss signature with mismatched hash fails"] = \
conversation
# verify that a rsa-pss signature with mismatched MGF1 hash fails
sigalg = sigalg_select("rsa_pss", hashalgs, sigalgs, certType)
# choose a different hash to cause mismtach
hash_name = SignatureScheme.getHash(SignatureScheme.toRepr(msgalg))
mgf1_hash = [x for x in hashalgs if x != hash_name][0]
conversation = Connect(hostname, port)
node = conversation
ciphers = [CipherSuite.TLS_AES_128_GCM_SHA256,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
ext = {}
groups = [GroupName.secp256r1]
ext[ExtensionType.key_share] = key_share_ext_gen(groups)
ext[ExtensionType.supported_versions] = \
SupportedVersionsExtension().create([(3, 4), (3, 3)])
ext[ExtensionType.supported_groups] = \
SupportedGroupsExtension().create(groups)
sig_algs = [SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_pss_sha256]
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(sig_algs)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectEncryptedExtensions())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectCertificateVerify())
node = node.add_child(ExpectFinished())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(CertificateVerifyGenerator(
private_key, mgf1_hash=mgf1_hash, msg_alg=sigalg))
node = node.add_child(FinishedGenerator())
node = node.add_child(ExpectAlert(
AlertLevel.fatal, AlertDescription.decrypt_error))
node.add_child(ExpectClose())
conversations["check rsa-pss signature with mismatched mgf1 fails"] = \
conversation
# check that fuzzed signatures are rejected
for pos in range(numBytes(private_key.n)):
for xor in [0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80]:
conversation = Connect(hostname, port)
node = conversation
ciphers = [CipherSuite.TLS_AES_128_GCM_SHA256,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
ext = {}
groups = [GroupName.secp256r1]
ext[ExtensionType.key_share] = key_share_ext_gen(groups)
ext[ExtensionType.supported_versions] = \
SupportedVersionsExtension().create([(3, 4), (3, 3)])
ext[ExtensionType.supported_groups] = \
SupportedGroupsExtension().create(groups)
sig_algs = [SignatureScheme.rsa_pss_rsae_sha256,
SignatureScheme.rsa_pss_pss_sha256]
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(sig_algs)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
node = node.add_child(ClientHelloGenerator(
ciphers, extensions=ext))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectEncryptedExtensions())
node = node.add_child(ExpectCertificateRequest())
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectCertificateVerify())
node = node.add_child(ExpectFinished())
node = node.add_child(CertificateGenerator(X509CertChain([cert])))
node = node.add_child(CertificateVerifyGenerator(
private_key, padding_xors={pos:xor}))
node = node.add_child(FinishedGenerator())
node = node.add_child(ExpectAlert(
AlertLevel.fatal, AlertDescription.decrypt_error))
node.add_child(ExpectClose())
scheme = SignatureScheme.toRepr(sigalg)
conversations_long["check that fuzzed signatures are rejected." +
" Malformed {0} - xor {1} at {2}".format(
certType, hex(xor), pos)] = conversation
# run the conversation
good = 0
bad = 0
failed = []
if not num_limit:
num_limit = len(conversations_long)
# make sure that sanity test is run first and last
# to verify that server was running and kept running throught
sanity_test = ('sanity', conversations['sanity'])
ordered_tests = chain([sanity_test],
filter(lambda x: x[0] != 'sanity',
conversations.items()),
islice(conversations_long.items(), num_limit),
[sanity_test])
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
try:
runner.run()
except:
print("Error while processing")
print(traceback.format_exc())
res = False
if res:
good += 1
print("OK\n")
else:
bad += 1
failed.append(c_name)
print("Test to verify that server properly accepts or refuses")
print("signatures in TLS1.3; PKCS1 signatures are always refused.")
print("Other signatures are accepted or refused accordingly to")
print("the certificate type provided ('rsa' vs 'rsa-pss').\n")
print("version: {0}\n".format(version))
print("Test end")
print("successful: {0}".format(good))
print("failed: {0}".format(bad))
failed_sorted = sorted(failed, key=natural_sort_keys)
print(" {0}".format('\n '.join(repr(i) for i in failed_sorted)))
if bad > 0:
sys.exit(1)
def main():
"""check if incorrect Finished hash is rejected by server"""
host = "localhost"
port = 4433
num_limit = None
run_exclude = set()
argv = sys.argv[1:]
opts, args = getopt.getopt(argv, "h:p:e:n:", ["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 == '-n':
num_limit = int(arg)
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
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
node = node.add_child(ClientHelloGenerator(ciphers))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectCertificate())
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\n\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
for pos, val in [
(-1, 0x01),
(-1, 0xff),
(-2, 0x01),
(-2, 0xff),
(-6, 0x01),
(-6, 0xff),
(-12, 0x01),
(-12, 0xff),
# Finished messages have just 12 octets of data so
# by going to -13 we would be modifying the length
# of the message
]:
conversation = Connect(host, port)
node = conversation
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV]
node = node.add_child(ClientHelloGenerator(ciphers))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(ClientKeyExchangeGenerator())
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(fuzz_message(FinishedGenerator(), xors={pos:val}))
#node = node.add_child(ExpectChangeCipherSpec())
#node = node.add_child(ExpectFinished())
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
node = node.add_child(ExpectClose())
conversations["XOR position " + str(pos) + " with " + str(hex(val))] = \
conversation
# run the conversation
good = 0
bad = 0
failed = []
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 throught
sanity_test = ('sanity', conversations['sanity'])
ordered_tests = chain([sanity_test],
islice(filter(lambda x: x[0] != 'sanity',
conversations.items()), num_limit),
[sanity_test])
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
try:
runner.run()
except:
print("Error while processing")
print(traceback.format_exc())
res = False
if res:
good += 1
print("OK\n")
else:
bad += 1
failed.append(c_name)
print("Test end")
print("successful: {0}".format(good))
print("failed: {0}".format(bad))
failed_sorted = sorted(failed, key=natural_sort_keys)
print(" {0}".format('\n '.join(repr(i) for i in failed_sorted)))
if bad > 0:
sys.exit(1)
def main():
host = "localhost"
port = 4433
num_limit = None
run_exclude = set()
expected_failures = {}
last_exp_tmp = None
http = True
dhe = False
argv = sys.argv[1:]
opts, args = getopt.getopt(argv, "h:p:e:x:X:n:d", ["help", "no-http"])
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)
elif opt == '--no-http':
http = False
else:
raise ValueError("Unknown option: {0}".format(opt))
if args:
run_only = set(args)
else:
run_only = None
conversations = {}
# check if server works at all
conversation = Connect(host, port)
node = conversation
ext = {ExtensionType.renegotiation_info: None}
if dhe:
groups = [GroupName.secp256r1, GroupName.ffdhe2048]
ext[ExtensionType.supported_groups] = SupportedGroupsExtension() \
.create(groups)
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(RSA_SIG_ALL)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA
]
else:
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA]
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(
ExpectServerHello(extensions={ExtensionType.renegotiation_info: None}))
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 http:
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\n\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()
node.add_child(Close())
conversations["sanity"] = conversation
# check if server works with SHA384 PRF ciphersuite
conversation = Connect(host, port)
node = conversation
ext = {ExtensionType.renegotiation_info: None}
if dhe:
groups = [GroupName.secp256r1, GroupName.ffdhe2048]
ext[ExtensionType.supported_groups] = SupportedGroupsExtension() \
.create(groups)
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(RSA_SIG_ALL)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,
CipherSuite.TLS_DHE_RSA_WITH_AES_256_GCM_SHA384
]
else:
ciphers = [CipherSuite.TLS_RSA_WITH_AES_256_GCM_SHA384]
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(
ExpectServerHello(extensions={ExtensionType.renegotiation_info: None}))
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 http:
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\n\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()
node.add_child(Close())
conversations["sanity sha384 prf"] = conversation
# check if server works at all (TLSv1.1)
conversation = Connect(host, port)
node = conversation
ext = {ExtensionType.renegotiation_info: None}
if dhe:
groups = [GroupName.secp256r1, GroupName.ffdhe2048]
ext[ExtensionType.supported_groups] = SupportedGroupsExtension() \
.create(groups)
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(RSA_SIG_ALL)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA
]
else:
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA]
node = node.add_child(
ClientHelloGenerator(ciphers, version=(3, 2), extensions=ext))
node = node.add_child(
ExpectServerHello(version=(3, 2),
extensions={ExtensionType.renegotiation_info: None}))
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 http:
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\n\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()
node.add_child(Close())
conversations["sanity TLSv1.1"] = conversation
# check if server supports extended master secret
conversation = Connect(host, port)
node = conversation
ext = {
ExtensionType.renegotiation_info: None,
ExtensionType.extended_master_secret: AutoEmptyExtension()
}
if dhe:
groups = [GroupName.secp256r1, GroupName.ffdhe2048]
ext[ExtensionType.supported_groups] = SupportedGroupsExtension() \
.create(groups)
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(RSA_SIG_ALL)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA
]
else:
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA]
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(
ExpectServerHello(
extensions={
ExtensionType.renegotiation_info: None,
ExtensionType.extended_master_secret: None
}))
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 http:
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\n\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()
node.add_child(Close())
conversations["extended master secret"] = conversation
# check if server supports extended master secret with ECDHE
conversation = Connect(host, port)
node = conversation
ciphers = [CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA]
node = node.add_child(
ClientHelloGenerator(
ciphers,
extensions={
ExtensionType.renegotiation_info:
None,
ExtensionType.extended_master_secret:
AutoEmptyExtension(),
ExtensionType.supported_groups:
SupportedGroupsExtension().create([GroupName.secp256r1]),
ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(RSA_SIG_ALL),
ExtensionType.signature_algorithms_cert:
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
}))
node = node.add_child(
ExpectServerHello(
extensions={
ExtensionType.renegotiation_info: None,
ExtensionType.extended_master_secret: None
}))
node = node.add_child(ExpectCertificate())
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 http:
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\n\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()
node.add_child(Close())
conversations["extended master secret w/ECDHE"] = conversation
# check if server supports extended master secret with DHE
conversation = Connect(host, port)
node = conversation
ciphers = [CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA]
node = node.add_child(
ClientHelloGenerator(
ciphers,
extensions={
ExtensionType.renegotiation_info:
None,
ExtensionType.extended_master_secret:
AutoEmptyExtension(),
ExtensionType.signature_algorithms:
SignatureAlgorithmsExtension().create(RSA_SIG_ALL),
ExtensionType.signature_algorithms_cert:
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
}))
node = node.add_child(
ExpectServerHello(
extensions={
ExtensionType.renegotiation_info: None,
ExtensionType.extended_master_secret: None
}))
node = node.add_child(ExpectCertificate())
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 http:
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\n\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()
node.add_child(Close())
conversations["extended master secret w/DHE"] = conversation
# check if server rejects malformed EMS extension
# (extension must be empty)
conversation = Connect(host, port)
node = conversation
ext = {ExtensionType.renegotiation_info: None,
ExtensionType.extended_master_secret: \
TLSExtension(extType=ExtensionType.extended_master_secret) \
.create(bytearray(b'\x00'))}
if dhe:
groups = [GroupName.secp256r1, GroupName.ffdhe2048]
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(RSA_SIG_ALL)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA
]
else:
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA]
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(
ExpectAlert(AlertLevel.fatal, AlertDescription.decode_error))
node.next_sibling = ExpectClose()
conversations["malformed extended master secret ext"] = conversation
# check if server supports extended master secret with SHA384 PRF
conversation = Connect(host, port)
node = conversation
ext = {
ExtensionType.renegotiation_info: None,
ExtensionType.extended_master_secret: AutoEmptyExtension()
}
if dhe:
groups = [GroupName.secp256r1, GroupName.ffdhe2048]
ext[ExtensionType.supported_groups] = SupportedGroupsExtension() \
.create(groups)
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(RSA_SIG_ALL)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,
CipherSuite.TLS_DHE_RSA_WITH_AES_256_GCM_SHA384
]
else:
ciphers = [CipherSuite.TLS_RSA_WITH_AES_256_GCM_SHA384]
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(
ExpectServerHello(
extensions={
ExtensionType.renegotiation_info: None,
ExtensionType.extended_master_secret: None
}))
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 http:
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\n\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()
node.add_child(Close())
conversations["extended master secret w/SHA384 PRF"] = conversation
# check if server supports extended master secret
conversation = Connect(host, port)
node = conversation
ext = {
ExtensionType.renegotiation_info: None,
ExtensionType.extended_master_secret: AutoEmptyExtension()
}
if dhe:
groups = [GroupName.secp256r1, GroupName.ffdhe2048]
ext[ExtensionType.supported_groups] = SupportedGroupsExtension() \
.create(groups)
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(RSA_SIG_ALL)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA
]
else:
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA]
node = node.add_child(
ClientHelloGenerator(ciphers, version=(3, 2), extensions=ext))
node = node.add_child(
ExpectServerHello(version=(3, 2),
extensions={
ExtensionType.renegotiation_info: None,
ExtensionType.extended_master_secret: None
}))
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 http:
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\n\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()
node.add_child(Close())
conversations["extended master secret in TLSv1.1"] = conversation
# check if server doesn't default to extended master secret
conversation = Connect(host, port)
node = conversation
ext = {ExtensionType.renegotiation_info: None}
if dhe:
groups = [GroupName.secp256r1, GroupName.ffdhe2048]
ext[ExtensionType.supported_groups] = SupportedGroupsExtension() \
.create(groups)
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(RSA_SIG_ALL)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA
]
else:
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA]
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(
ExpectServerHello(extensions={ExtensionType.renegotiation_info: None}))
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(extended_master_secret=True))
node = node.add_child(FinishedGenerator())
node = node.add_child(
ExpectAlert(AlertLevel.fatal, AlertDescription.bad_record_mac))
node = node.add_child(ExpectClose())
node = node.add_child(Close())
conversations["no EMS by default"] = conversation
# check if server uses EMS for resumed connections
conversation = Connect(host, port)
node = conversation
ext = {
ExtensionType.renegotiation_info: None,
ExtensionType.extended_master_secret: AutoEmptyExtension()
}
if dhe:
groups = [GroupName.secp256r1, GroupName.ffdhe2048]
ext[ExtensionType.supported_groups] = SupportedGroupsExtension() \
.create(groups)
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(RSA_SIG_ALL)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA
]
else:
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA]
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(
ExpectServerHello(
extensions={
ExtensionType.renegotiation_info: None,
ExtensionType.extended_master_secret: None
}))
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(
AlertGenerator(AlertLevel.warning, AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
close = ExpectClose()
node.next_sibling = close
node = node.add_child(ExpectClose())
node = node.add_child(Close())
node = node.add_child(Connect(host, port))
close.add_child(node)
node = node.add_child(ResetHandshakeHashes())
node = node.add_child(ResetRenegotiationInfo())
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(
ExpectServerHello(extensions={
ExtensionType.renegotiation_info: None,
ExtensionType.extended_master_secret: None
},
resume=True))
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectFinished())
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
if http:
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\n\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()
node.add_child(Close())
conversations["EMS with session resume"] = conversation
# check if server uses EMS for resumed connections and SHA384 PRF
conversation = Connect(host, port)
node = conversation
ext = {
ExtensionType.renegotiation_info: None,
ExtensionType.extended_master_secret: AutoEmptyExtension()
}
if dhe:
groups = [GroupName.secp256r1, GroupName.ffdhe2048]
ext[ExtensionType.supported_groups] = SupportedGroupsExtension() \
.create(groups)
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(RSA_SIG_ALL)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,
CipherSuite.TLS_DHE_RSA_WITH_AES_256_GCM_SHA384
]
else:
ciphers = [CipherSuite.TLS_RSA_WITH_AES_256_GCM_SHA384]
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(
ExpectServerHello(
extensions={
ExtensionType.renegotiation_info: None,
ExtensionType.extended_master_secret: None
}))
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(
AlertGenerator(AlertLevel.warning, AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
close = ExpectClose()
node.next_sibling = close
node = node.add_child(ExpectClose())
node = node.add_child(Close())
node = node.add_child(Connect(host, port))
close.add_child(node)
node = node.add_child(ResetHandshakeHashes())
node = node.add_child(ResetRenegotiationInfo())
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(
ExpectServerHello(extensions={
ExtensionType.renegotiation_info: None,
ExtensionType.extended_master_secret: None
},
resume=True))
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectFinished())
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
if http:
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\n\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()
node.add_child(Close())
conversations["EMS with session resume and SHA384 PRF"] = conversation
# check if server aborts session resume without EMS extension
conversation = Connect(host, port)
node = conversation
ext = {
ExtensionType.renegotiation_info: None,
ExtensionType.extended_master_secret: AutoEmptyExtension()
}
if dhe:
groups = [GroupName.secp256r1, GroupName.ffdhe2048]
ext[ExtensionType.supported_groups] = SupportedGroupsExtension() \
.create(groups)
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(RSA_SIG_ALL)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA
]
else:
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA]
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(
ExpectServerHello(
extensions={
ExtensionType.renegotiation_info: None,
ExtensionType.extended_master_secret: None
}))
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(
AlertGenerator(AlertLevel.warning, AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
close = ExpectClose()
node.next_sibling = close
node = node.add_child(ExpectClose())
node = node.add_child(Close())
node = node.add_child(Connect(host, port))
close.add_child(node)
node = node.add_child(ResetHandshakeHashes())
node = node.add_child(ResetRenegotiationInfo())
ext = {ExtensionType.renegotiation_info: None}
if dhe:
groups = [GroupName.secp256r1, GroupName.ffdhe2048]
ext[ExtensionType.supported_groups] = SupportedGroupsExtension() \
.create(groups)
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(RSA_SIG_ALL)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(
ExpectAlert(AlertLevel.fatal, AlertDescription.handshake_failure))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
node = node.add_child(Close())
conversations["EMS with session resume without extension"] = conversation
# check if server does full handshake on resumed session without EMS
conversation = Connect(host, port)
node = conversation
ext = {ExtensionType.renegotiation_info: None}
if dhe:
groups = [GroupName.secp256r1, GroupName.ffdhe2048]
ext[ExtensionType.supported_groups] = SupportedGroupsExtension() \
.create(groups)
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(RSA_SIG_ALL)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA
]
else:
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA]
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(
ExpectServerHello(extensions={ExtensionType.renegotiation_info: None}))
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(
AlertGenerator(AlertLevel.warning, AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
close = ExpectClose()
node.next_sibling = close
node = node.add_child(ExpectClose())
node = node.add_child(Close())
node = node.add_child(Connect(host, port))
close.add_child(node)
node = node.add_child(ResetHandshakeHashes())
node = node.add_child(ResetRenegotiationInfo())
ext = {
ExtensionType.renegotiation_info: None,
ExtensionType.extended_master_secret: AutoEmptyExtension()
}
if dhe:
groups = [GroupName.secp256r1, GroupName.ffdhe2048]
ext[ExtensionType.supported_groups] = SupportedGroupsExtension() \
.create(groups)
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(RSA_SIG_ALL)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(
ExpectServerHello(extensions={
ExtensionType.renegotiation_info: None,
ExtensionType.extended_master_secret: None
},
resume=False))
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 http:
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\n\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()
node.next_sibling.add_child(Close())
node.add_child(Close())
conversations["resume non-EMS session with EMS extension"] = \
conversation
# EMS with renegotiation
conversation = Connect(host, port)
node = conversation
ext = {
ExtensionType.renegotiation_info: None,
ExtensionType.extended_master_secret: AutoEmptyExtension()
}
if dhe:
groups = [GroupName.secp256r1, GroupName.ffdhe2048]
ext[ExtensionType.supported_groups] = SupportedGroupsExtension() \
.create(groups)
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(RSA_SIG_ALL)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA
]
else:
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA]
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(
ExpectServerHello(
extensions={
ExtensionType.renegotiation_info: None,
ExtensionType.extended_master_secret: None
}))
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())
# 2nd handshake
node = node.add_child(ResetHandshakeHashes())
node = node.add_child(
ClientHelloGenerator(
ciphers,
session_id=bytearray(0), # do not resume
extensions=ext))
node = node.add_child(
ExpectServerHello(
extensions={
ExtensionType.renegotiation_info: None,
ExtensionType.extended_master_secret: None
}))
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 http:
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\n\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()
node = node.add_child(Close())
conversations["extended master secret with renegotiation"] = conversation
# renegotiation in non-EMS session
conversation = Connect(host, port)
node = conversation
ext = {ExtensionType.renegotiation_info: None}
if dhe:
groups = [GroupName.secp256r1, GroupName.ffdhe2048]
ext[ExtensionType.supported_groups] = SupportedGroupsExtension() \
.create(groups)
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(RSA_SIG_ALL)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA
]
else:
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA]
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(
ExpectServerHello(extensions={ExtensionType.renegotiation_info: None}))
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())
# 2nd handshake
node = node.add_child(ResetHandshakeHashes())
ext = {
ExtensionType.renegotiation_info: None,
ExtensionType.extended_master_secret: AutoEmptyExtension()
}
if dhe:
groups = [GroupName.secp256r1, GroupName.ffdhe2048]
ext[ExtensionType.supported_groups] = SupportedGroupsExtension() \
.create(groups)
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(RSA_SIG_ALL)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
node = node.add_child(
ClientHelloGenerator(
ciphers,
session_id=bytearray(0), # do not resume
extensions=ext))
node = node.add_child(
ExpectServerHello(
extensions={
ExtensionType.renegotiation_info: None,
ExtensionType.extended_master_secret: None
}))
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 http:
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\n\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()
node = node.add_child(Close())
conversations["renegotiate with EMS in session without EMS"] = conversation
# renegotiation of non-EMS session in EMS session
conversation = Connect(host, port)
node = conversation
ext = {
ExtensionType.renegotiation_info: None,
ExtensionType.extended_master_secret: AutoEmptyExtension()
}
if dhe:
groups = [GroupName.secp256r1, GroupName.ffdhe2048]
ext[ExtensionType.supported_groups] = SupportedGroupsExtension() \
.create(groups)
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(RSA_SIG_ALL)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA
]
else:
ciphers = [CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA]
node = node.add_child(ClientHelloGenerator(ciphers, extensions=ext))
node = node.add_child(
ExpectServerHello(
extensions={
ExtensionType.renegotiation_info: None,
ExtensionType.extended_master_secret: None
}))
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())
# 2nd handshake
node = node.add_child(ResetHandshakeHashes())
ext = {ExtensionType.renegotiation_info: None}
if dhe:
groups = [GroupName.secp256r1, GroupName.ffdhe2048]
ext[ExtensionType.supported_groups] = SupportedGroupsExtension() \
.create(groups)
ext[ExtensionType.signature_algorithms] = \
SignatureAlgorithmsExtension().create(RSA_SIG_ALL)
ext[ExtensionType.signature_algorithms_cert] = \
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)
node = node.add_child(
ClientHelloGenerator(
ciphers,
session_id=bytearray(0), # do not resume
extensions=ext))
node = node.add_child(
ExpectServerHello(extensions={ExtensionType.renegotiation_info: None}))
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 http:
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\n\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()
node = node.add_child(Close())
conversations["renegotiate without EMS in session with EMS"] = 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("Test to verify Extended Master Secret extension.")
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)
def main():
"""check if zero-filled padding is accepted by server in SSLv3"""
host = "localhost"
port = 4433
num_limit = None
run_exclude = set()
argv = sys.argv[1:]
opts, args = getopt.getopt(argv, "h:p:e:n:", ["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 == '-n':
num_limit = int(arg)
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 = {}
# normal connection
conversation = Connect(host, port)
node = conversation
ciphers = [
CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
node = node.add_child(ClientHelloGenerator(ciphers, version=(3, 0)))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectCertificate())
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())
text = b"GET / HTTP/1.0\nX-bad: aaaa\n\n"
node = node.add_child(ApplicationDataGenerator(text))
node = node.add_child(ExpectApplicationData())
# BEAST 1/n-1 splitting
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()
node = node.add_child(ExpectClose())
conversations["sanity"] = \
conversation
# zero-fill SSLv3 padding
conversation = Connect(host, port)
node = conversation
ciphers = [
CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
node = node.add_child(ClientHelloGenerator(ciphers, version=(3, 0)))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectCertificate())
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())
text = b"GET / HTTP/1.0\nX-bad: aaaa\n\n"
hmac_tag_length = 20 # because we're using HMAC-SHA-1
block_size = 16 # because we're suing AES
# make sure that padding has full block to work with
assert (len(text) + hmac_tag_length) % block_size == 0
node = node.add_child(
fuzz_padding(
ApplicationDataGenerator(text),
# set all bytes of pad to b'\x00'
# with exception of the length byte
substitutions=dict((x, 0) for x in range(0, 15))))
node = node.add_child(ExpectApplicationData())
# BEAST 1/n-1 splitting
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()
node = node.add_child(ExpectClose())
conversations["zero-filled padding in SSLv3"] = \
conversation
# max size SSLv3 padding
conversation = Connect(host, port)
node = conversation
ciphers = [
CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
node = node.add_child(ClientHelloGenerator(ciphers, version=(3, 0)))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectCertificate())
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())
text = b"GET / HTTP/1.0\nX-bad: aaaa\n\n"
hmac_tag_length = 20
block_size = 16
# make sure that padding has full block to work with
assert (len(text) + hmac_tag_length) % block_size == 0
node = node.add_child(
fuzz_padding(ApplicationDataGenerator(text), min_length=128 // 8))
node = node.add_child(ExpectApplicationData())
# BEAST 1/n-1 splitting
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()
node = node.add_child(ExpectClose())
conversations["max acceptable padding in SSLv3"] = \
conversation
# too much padding in SSLv3
conversation = Connect(host, port)
node = conversation
ciphers = [
CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
node = node.add_child(ClientHelloGenerator(ciphers, version=(3, 0)))
node = node.add_child(ExpectServerHello())
node = node.add_child(ExpectCertificate())
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())
text = b"GET / HTTP/1.0\nX-bad: aaaa\n\n"
hmac_tag_length = 20
block_size = 16
# make sure that padding has full block to work with
assert (len(text) + hmac_tag_length) % block_size == 0
node = node.add_child(
fuzz_padding(
ApplicationDataGenerator(text),
# make the padding longer than the block
# size of the cipher
min_length=(128 // 8) + 1))
node = node.add_child(
ExpectAlert(AlertLevel.fatal, AlertDescription.bad_record_mac))
node.add_child(ExpectClose())
conversations["excessive padding in SSLv3 (valid in TLS 1.0)"] = \
conversation
# run the conversation
good = 0
bad = 0
failed = []
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'])]
regular_tests = [(k, v) for k, v in conversations.items() if k != 'sanity']
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
try:
runner.run()
except:
print("Error while processing")
print(traceback.format_exc())
res = False
if res:
good += 1
print("OK\n")
else:
bad += 1
failed.append(c_name)
print("Script to verify different padding scenarios in SSLv3.")
print("Check if the padding in SSLv3 follows the RFC6101\n")
print("version: {0}\n".format(version))
print("Test end")
print("successful: {0}".format(good))
print("failed: {0}".format(bad))
failed_sorted = sorted(failed, key=natural_sort_keys)
print(" {0}".format('\n '.join(repr(i) for i in failed_sorted)))
if bad > 0:
sys.exit(1)
def main():
"""Verify correct ECDHE shared secret handling."""
host = "localhost"
port = 4433
num_limit = 1
run_exclude = set()
expected_failures = {}
last_exp_tmp = None
min_zeros = 1
record_split = True
argv = sys.argv[1:]
opts, args = getopt.getopt(argv, "h:p:e:x:X:n:z", ["help", "min-zeros="])
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 == '-z':
record_split = False
elif opt == '--help':
help_msg()
sys.exit(0)
elif opt == '--min-zeros':
min_zeros = int(arg)
else:
raise ValueError("Unknown option: {0}".format(opt))
if args:
run_only = set(args)
else:
run_only = None
collected_premaster_secrets = []
variables_check = \
{'premaster_secret':
collected_premaster_secrets}
groups = [
GroupName.x25519, GroupName.x448, GroupName.secp256r1,
GroupName.secp384r1, GroupName.secp521r1
]
conversations = {}
conversation = Connect(host, port)
node = conversation
ciphers = [CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA]
groups_ext = SupportedGroupsExtension().create(groups)
points_ext = ECPointFormatsExtension().create([ECPointFormat.uncompressed])
exts = {
ExtensionType.renegotiation_info: None,
ExtensionType.supported_groups: groups_ext,
ExtensionType.ec_point_formats: points_ext
}
node = node.add_child(ClientHelloGenerator(ciphers, extensions=exts))
exts = {
ExtensionType.renegotiation_info: None,
ExtensionType.ec_point_formats: None
}
node = node.add_child(ExpectServerHello(extensions=exts))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(CopyVariables(variables_check))
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\n\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
for prot in [(3, 0), (3, 1), (3, 2), (3, 3)]:
for ssl2 in [True, False]:
for group in groups:
# with SSLv2 compatible or with SSLv3 we can't advertise
# curves so do just one check
if (ssl2 or prot == (3, 0)) and group != groups[0]:
continue
conversation = Connect(host,
port,
version=(0, 2) if ssl2 else (3, 0))
node = conversation
ciphers = [
CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
CipherSuite.TLS_EMPTY_RENEGOTIATION_INFO_SCSV
]
if ssl2 or prot == (3, 0):
exts = None
else:
groups_ext = SupportedGroupsExtension().create([group])
exts = {
ExtensionType.supported_groups: groups_ext,
ExtensionType.ec_point_formats: points_ext
}
node = node.add_child(
ClientHelloGenerator(ciphers,
version=prot,
extensions=exts,
ssl2=ssl2))
if prot > (3, 0):
if ssl2:
ext = {ExtensionType.renegotiation_info: None}
else:
ext = {
ExtensionType.renegotiation_info: None,
ExtensionType.ec_point_formats: None
}
else:
ext = None
node = node.add_child(
ExpectServerHello(extensions=ext, version=prot))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerKeyExchange())
node = node.add_child(CopyVariables(variables_check))
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\n\n")))
node = node.add_child(ExpectApplicationData())
if prot < (3, 2) and record_split:
# 1/n-1 record splitting
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["Protocol {0}{1}{2}".format(
prot,
"" if ssl2 or prot < (3, 1)
else " with {0} group".format(GroupName.toStr(group)),
" in SSLv2 compatible ClientHello" if ssl2 else "")] = \
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
i = 0
break_loop = False
while True:
# don't hog the memory unnecessairly
collected_premaster_secrets[:] = []
print("\"{1}\" repeat {0}...".format(i, c_name))
i += 1
if c_name == 'sanity':
break_loop = True
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")
break_loop = True
else:
if res:
good += 1
if collected_premaster_secrets[-1][:min_zeros] == \
bytearray(min_zeros):
print("Got premaster secret with {0} most significant "
"bytes equal to zero.".format(min_zeros))
break_loop = True
print("OK\n")
else:
bad += 1
failed.append(c_name)
break_loop = True
if break_loop:
break
print('')
print("Check if the connections work when the calculated ECDH shared")
print("secret must be padded on the left with zeros")
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 > 0:
sys.exit(1)
def main():
host = "localhost"
port = 4433
num_limit = 120
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
if dhe:
ext = {}
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:
ext = None
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(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
# first check if the server supports it
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(
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["negotiate heartbeat extension"] = conversation
# finally check if the server will reply to a heartbeat
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:
HeartbeatExtension().create(HeartbeatMode.PEER_ALLOWED_TO_SEND),
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(
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["negotiate and check for peer_allowed_to_send"] = \
conversation
# send valid heartbeat, check for reply
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'heartbeat test')))
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')))
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["check if server replies to heartbeats after handshake"] = \
conversation
# verify that padding is minimal in responses
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'heartbeat test')))
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["check padding size in response"] = \
conversation
# send valid empty heartbeat, check for reply
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'')))
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\r\n\r\n")))
node = node.add_child(ExpectHeartbeat(payload=bytearray(b'')))
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"] = \
conversation
# verify that server replies with minimal size of padding
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'')))
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\r\n\r\n")))
node = node.add_child(
ExpectHeartbeat(payload=bytearray(b''), 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["empty heartbeat - verify padding size"] = \
conversation
# check if server will reply to requests even if we set that we don't
# want any requests
conversation = Connect(host, port)
node = conversation
ext = {
ExtensionType.heartbeat:
HeartbeatExtension().create(HeartbeatMode.PEER_NOT_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'heartbeat test')))
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')))
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 peer_not_allowed_to_send"] = \
conversation
# check if invalid modes are rejected by server
# 1 and 2 are allocated
for mode in chain([0], range(3, 256)):
conversation = Connect(host, port)
node = conversation
ext = {ExtensionType.heartbeat: HeartbeatExtension().create(mode)}
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))
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 > 0:
sys.exit(1)
def main():
host = "localhost"
port = 4433
num_limit = None
run_exclude = set()
psk_prf = "sha256"
psk_secret = b'\xaa'
psk_ident = b'test'
argv = sys.argv[1:]
opts, args = getopt.getopt(argv, "h:p:e:n:",
["help", "psk=", "psk-iden=", "psk-sha384"])
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 == '-n':
num_limit = int(arg)
elif opt == '--help':
help_msg()
sys.exit(0)
elif opt == '--psk':
psk_secret = a2b_hex(arg)
elif opt == '--psk-iden':
psk_ident = compatAscii2Bytes(arg)
elif opt == '--psk-sha384':
psk_prf = "sha384"
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
ciphers = []
if psk_prf == "sha256":
ciphers.append(CipherSuite.TLS_AES_128_GCM_SHA256)
else:
ciphers.append(CipherSuite.TLS_AES_256_GCM_SHA384)
ext = OrderedDict()
ext[ExtensionType.supported_versions] = SupportedVersionsExtension()\
.create([TLS_1_3_DRAFT, (3, 3)])
groups = [GroupName.secp256r1]
key_shares = []
for group in groups:
key_shares.append(key_share_gen(group))
ext[ExtensionType.key_share] = ClientKeyShareExtension().create(key_shares)
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
ext[ExtensionType.psk_key_exchange_modes] = PskKeyExchangeModesExtension()\
.create([PskKeyExchangeMode.psk_dhe_ke])
psk_settings = [(psk_ident, psk_secret, psk_prf)]
ext[ExtensionType.pre_shared_key] = psk_ext_gen(psk_settings)
mods = []
mods.append(psk_ext_updater(psk_settings))
node = node.add_child(
ClientHelloGenerator(ciphers, extensions=ext, modifiers=mods))
ext = {}
ext[ExtensionType.supported_versions] = srv_ext_handler_supp_vers
ext[ExtensionType.pre_shared_key] = gen_srv_ext_handler_psk(psk_settings)
ext[ExtensionType.key_share] = srv_ext_handler_key_share
node = node.add_child(ExpectServerHello(extensions=ext))
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectEncryptedExtensions())
node = node.add_child(ExpectFinished())
node = node.add_child(FinishedGenerator())
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\r\n\r\n")))
# This message is optional and may show up 0 to many times
cycle = ExpectNewSessionTicket()
node = node.add_child(cycle)
node.add_child(cycle)
node.next_sibling = ExpectApplicationData()
node = node.next_sibling.add_child(
AlertGenerator(AlertLevel.warning, AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
conversations["sanity"] = conversation
# test with FFDHE
conversation = Connect(host, port)
node = conversation
ciphers = []
if psk_prf == "sha256":
ciphers.append(CipherSuite.TLS_AES_128_GCM_SHA256)
else:
ciphers.append(CipherSuite.TLS_AES_256_GCM_SHA384)
ext = OrderedDict()
ext[ExtensionType.supported_versions] = SupportedVersionsExtension()\
.create([TLS_1_3_DRAFT, (3, 3)])
groups = [GroupName.ffdhe2048]
key_shares = []
for group in groups:
key_shares.append(key_share_gen(group))
ext[ExtensionType.key_share] = ClientKeyShareExtension().create(key_shares)
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
ext[ExtensionType.psk_key_exchange_modes] = PskKeyExchangeModesExtension()\
.create([PskKeyExchangeMode.psk_dhe_ke])
psk_settings = [(psk_ident, psk_secret, psk_prf)]
ext[ExtensionType.pre_shared_key] = psk_ext_gen(psk_settings)
mods = []
mods.append(psk_ext_updater(psk_settings))
node = node.add_child(
ClientHelloGenerator(ciphers, extensions=ext, modifiers=mods))
ext = {}
ext[ExtensionType.supported_versions] = srv_ext_handler_supp_vers
ext[ExtensionType.pre_shared_key] = gen_srv_ext_handler_psk(psk_settings)
ext[ExtensionType.key_share] = srv_ext_handler_key_share
node = node.add_child(ExpectServerHello(extensions=ext))
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectEncryptedExtensions())
node = node.add_child(ExpectFinished())
node = node.add_child(FinishedGenerator())
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\r\n\r\n")))
# This message is optional and may show up 0 to many times
cycle = ExpectNewSessionTicket()
node = node.add_child(cycle)
node.add_child(cycle)
node.next_sibling = ExpectApplicationData()
node = node.next_sibling.add_child(
AlertGenerator(AlertLevel.warning, AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
conversations["ffdhe2048"] = conversation
# test with x25519
conversation = Connect(host, port)
node = conversation
ciphers = []
if psk_prf == "sha256":
ciphers.append(CipherSuite.TLS_AES_128_GCM_SHA256)
else:
ciphers.append(CipherSuite.TLS_AES_256_GCM_SHA384)
ext = OrderedDict()
ext[ExtensionType.supported_versions] = SupportedVersionsExtension()\
.create([TLS_1_3_DRAFT, (3, 3)])
groups = [GroupName.x25519]
key_shares = []
for group in groups:
key_shares.append(key_share_gen(group))
ext[ExtensionType.key_share] = ClientKeyShareExtension().create(key_shares)
ext[ExtensionType.supported_groups] = SupportedGroupsExtension()\
.create(groups)
ext[ExtensionType.psk_key_exchange_modes] = PskKeyExchangeModesExtension()\
.create([PskKeyExchangeMode.psk_dhe_ke])
psk_settings = [(psk_ident, psk_secret, psk_prf)]
ext[ExtensionType.pre_shared_key] = psk_ext_gen(psk_settings)
mods = []
mods.append(psk_ext_updater(psk_settings))
node = node.add_child(
ClientHelloGenerator(ciphers, extensions=ext, modifiers=mods))
ext = {}
ext[ExtensionType.supported_versions] = srv_ext_handler_supp_vers
ext[ExtensionType.pre_shared_key] = gen_srv_ext_handler_psk(psk_settings)
ext[ExtensionType.key_share] = srv_ext_handler_key_share
node = node.add_child(ExpectServerHello(extensions=ext))
node = node.add_child(ExpectChangeCipherSpec())
node = node.add_child(ExpectEncryptedExtensions())
node = node.add_child(ExpectFinished())
node = node.add_child(FinishedGenerator())
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\r\n\r\n")))
# This message is optional and may show up 0 to many times
cycle = ExpectNewSessionTicket()
node = node.add_child(cycle)
node.add_child(cycle)
node.next_sibling = ExpectApplicationData()
node = node.next_sibling.add_child(
AlertGenerator(AlertLevel.warning, AlertDescription.close_notify))
node = node.add_child(ExpectAlert())
node.next_sibling = ExpectClose()
conversations["x25519"] = conversation
# run the conversation
good = 0
bad = 0
failed = []
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'])]
regular_tests = [(k, v) for k, v in conversations.items() if k != 'sanity']
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
try:
runner.run()
except Exception:
print("Error while processing")
print(traceback.format_exc())
res = False
if res:
good += 1
print("OK\n")
else:
bad += 1
failed.append(c_name)
print("Basic script for psk_dhe_ke key exchange in TLS 1.3")
print("Check if server supports a PSK handshake with use of DHE key")
print("exchange.")
print("version: {0}\n".format(version))
print("Test end")
print("successful: {0}".format(good))
print("failed: {0}".format(bad))
failed_sorted = sorted(failed, key=natural_sort_keys)
print(" {0}".format('\n '.join(repr(i) for i in failed_sorted)))
if bad > 0:
sys.exit(1)
def main():
"""Check if server is not vulnerable to Bleichenbacher attack"""
host = "localhost"
port = 4433
num_limit = 50
run_exclude = set()
expected_failures = {}
last_exp_tmp = None
timeout = 1.0
alert = AlertDescription.bad_record_mac
level = AlertLevel.fatal
srv_extensions = {ExtensionType.renegotiation_info: None}
no_sni = False
repetitions = 100
interface = None
timing = False
outdir = "/tmp"
cipher = CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA
argv = sys.argv[1:]
opts, args = getopt.getopt(argv, "h:p:e:x:X:t:n:a:l:l:o:i:C:",
["help", "no-safe-renego", "no-sni", "repeat="])
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 == '-C':
if arg[:2] == '0x':
cipher = int(arg, 16)
else:
try:
cipher = getattr(CipherSuite, arg)
except AttributeError:
cipher = int(arg)
elif opt == '-t':
timeout = float(arg)
elif opt == '-a':
alert = int(arg)
elif opt == '-l':
level = int(arg)
elif opt == "-i":
timing = True
interface = arg
elif opt == '-o':
outdir = arg
elif opt == "--repeat":
repetitions = int(arg)
elif opt == "--no-safe-renego":
srv_extensions = None
elif opt == "--no-sni":
no_sni = 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
cln_extensions = {ExtensionType.renegotiation_info: None}
if is_valid_hostname(host) and not no_sni:
cln_extensions[ExtensionType.server_name] = \
SNIExtension().create(bytearray(host, 'ascii'))
# RSA key exchange check
if cipher not in CipherSuite.certSuites:
print("Ciphersuite has to use RSA key exchange.")
exit(1)
conversations = {}
conversation = Connect(host, port)
node = conversation
ciphers = [cipher]
node = node.add_child(
ClientHelloGenerator(ciphers, extensions=cln_extensions))
node = node.add_child(ExpectServerHello(extensions=srv_extensions))
node = node.add_child(ExpectCertificate())
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()
node = node.add_child(ExpectClose())
conversations["sanity"] = conversation
runner = Runner(conversation)
try:
runner.run()
except Exception as exp:
# Exception means the server rejected the ciphersuite
print("Failing on {0} because server does not support it. ".format(
CipherSuite.ietfNames[cipher]))
print(20 * '=')
exit(1)
# check if a certain number doesn't trip up the server
# (essentially a second sanity test)
conversation = Connect(host, port)
node = conversation
ciphers = [cipher]
node = node.add_child(
ClientHelloGenerator(ciphers, extensions=cln_extensions))
node = node.add_child(ExpectServerHello(extensions=srv_extensions))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(ClientKeyExchangeGenerator(padding_subs={2: 1}))
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()
node = node.add_child(ExpectClose())
conversations[
"sanity - static non-zero byte in random padding"] = conversation
# set 2nd byte of padding to 3 (invalid value)
conversation = Connect(host, port)
node = conversation
ciphers = [cipher]
node = node.add_child(
ClientHelloGenerator(ciphers, extensions=cln_extensions))
node = node.add_child(ExpectServerHello(extensions=srv_extensions))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
node = node.add_child(ClientKeyExchangeGenerator(padding_subs={1: 3}))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\r\n\r\n")))
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
node = node.add_child(ExpectAlert(level, alert))
node.add_child(ExpectClose())
conversations["set PKCS#1 padding type to 3"] = conversation
# set 2nd byte of padding to 1 (signing)
conversation = Connect(host, port)
node = conversation
ciphers = [cipher]
node = node.add_child(
ClientHelloGenerator(ciphers, extensions=cln_extensions))
node = node.add_child(ExpectServerHello(extensions=srv_extensions))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
node = node.add_child(ClientKeyExchangeGenerator(padding_subs={1: 1}))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\r\n\r\n")))
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
node = node.add_child(ExpectAlert(level, alert))
node.add_child(ExpectClose())
conversations["set PKCS#1 padding type to 1"] = conversation
# test early zero in random data
conversation = Connect(host, port)
node = conversation
ciphers = [cipher]
node = node.add_child(
ClientHelloGenerator(ciphers, extensions=cln_extensions))
node = node.add_child(ExpectServerHello(extensions=srv_extensions))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
node = node.add_child(ClientKeyExchangeGenerator(padding_subs={4: 0}))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\r\n\r\n")))
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
node = node.add_child(ExpectAlert(level, alert))
node.add_child(ExpectClose())
conversations["zero byte in random padding"] = conversation
# check if early padding separator is detected
conversation = Connect(host, port)
node = conversation
ciphers = [cipher]
node = node.add_child(
ClientHelloGenerator(ciphers, extensions=cln_extensions))
node = node.add_child(ExpectServerHello(extensions=srv_extensions))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
node = node.add_child(ClientKeyExchangeGenerator(padding_subs={-2: 0}))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\r\n\r\n")))
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
node = node.add_child(ExpectAlert(level, alert))
node.add_child(ExpectClose())
conversations["zero byte in last byte of random padding"] = conversation
# check if separator without any random padding is detected
conversation = Connect(host, port)
node = conversation
ciphers = [cipher]
node = node.add_child(
ClientHelloGenerator(ciphers, extensions=cln_extensions))
node = node.add_child(ExpectServerHello(extensions=srv_extensions))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
node = node.add_child(ClientKeyExchangeGenerator(padding_subs={2: 0}))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\r\n\r\n")))
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
node = node.add_child(ExpectAlert(level, alert))
node.add_child(ExpectClose())
conversations["zero byte in first byte of random padding"] = conversation
# check if invalid first byte of encoded value is correctly detecte
conversation = Connect(host, port)
node = conversation
ciphers = [cipher]
node = node.add_child(
ClientHelloGenerator(ciphers, extensions=cln_extensions))
node = node.add_child(ExpectServerHello(extensions=srv_extensions))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
node = node.add_child(ClientKeyExchangeGenerator(padding_subs={0: 1}))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\r\n\r\n")))
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
node = node.add_child(ExpectAlert(level, alert))
node.add_child(ExpectClose())
conversations["invalid version number in padding"] = conversation
# check if no null separator in padding is detected
conversation = Connect(host, port)
node = conversation
ciphers = [cipher]
node = node.add_child(
ClientHelloGenerator(ciphers, extensions=cln_extensions))
node = node.add_child(ExpectServerHello(extensions=srv_extensions))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
node = node.add_child(ClientKeyExchangeGenerator(padding_subs={-1: 1}))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\r\n\r\n")))
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
node = node.add_child(ExpectAlert(level, alert))
node.add_child(ExpectClose())
conversations["no null separator in padding"] = conversation
# check if no null separator in padding is detected
# but with PMS set to non-zero
conversation = Connect(host, port)
node = conversation
ciphers = [cipher]
node = node.add_child(
ClientHelloGenerator(ciphers, extensions=cln_extensions))
node = node.add_child(ExpectServerHello(extensions=srv_extensions))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
node = node.add_child(
ClientKeyExchangeGenerator(padding_subs={-1: 1},
premaster_secret=bytearray([1] * 48)))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\r\n\r\n")))
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
node = node.add_child(ExpectAlert(level, alert))
node.add_child(ExpectClose())
conversations["no null separator in encrypted value"] = conversation
# check if too short PMS is detected
conversation = Connect(host, port)
node = conversation
ciphers = [cipher]
node = node.add_child(
ClientHelloGenerator(ciphers, extensions=cln_extensions))
node = node.add_child(ExpectServerHello(extensions=srv_extensions))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
node = node.add_child(
ClientKeyExchangeGenerator(premaster_secret=bytearray([1, 1])))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\r\n\r\n")))
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
node = node.add_child(ExpectAlert(level, alert))
node.add_child(ExpectClose())
conversations["two byte long PMS (TLS version only)"] = conversation
# check if no encrypted payload is detected
conversation = Connect(host, port)
node = conversation
ciphers = [cipher]
node = node.add_child(
ClientHelloGenerator(ciphers, extensions=cln_extensions))
node = node.add_child(ExpectServerHello(extensions=srv_extensions))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
# the TLS version is always set, so we mask the real padding separator
# and set the last byte of PMS to 0
node = node.add_child(
ClientKeyExchangeGenerator(padding_subs={-1: 1},
premaster_secret=bytearray([1, 1, 0])))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\r\n\r\n")))
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
node = node.add_child(ExpectAlert(level, alert))
node.add_child(ExpectClose())
conversations["no encrypted value"] = conversation
# check if too short encrypted payload is detected
conversation = Connect(host, port)
node = conversation
ciphers = [cipher]
node = node.add_child(
ClientHelloGenerator(ciphers, extensions=cln_extensions))
node = node.add_child(ExpectServerHello(extensions=srv_extensions))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
# the TLS version is always set, so we mask the real padding separator
# and set the last byte of PMS to 0
node = node.add_child(
ClientKeyExchangeGenerator(padding_subs={-1: 1},
premaster_secret=bytearray([1, 1, 0, 3])))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\r\n\r\n")))
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
node = node.add_child(ExpectAlert(level, alert))
node.add_child(ExpectClose())
conversations["one byte encrypted value"] = conversation
# check if too short PMS is detected
conversation = Connect(host, port)
node = conversation
ciphers = [cipher]
node = node.add_child(
ClientHelloGenerator(ciphers, extensions=cln_extensions))
node = node.add_child(ExpectServerHello(extensions=srv_extensions))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
node = node.add_child(
ClientKeyExchangeGenerator(premaster_secret=bytearray([1] * 47)))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\r\n\r\n")))
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
node = node.add_child(ExpectAlert(level, alert))
node.add_child(ExpectClose())
conversations["too short (47-byte) pre master secret"] = conversation
# check if too short PMS is detected
conversation = Connect(host, port)
node = conversation
ciphers = [cipher]
node = node.add_child(
ClientHelloGenerator(ciphers, extensions=cln_extensions))
node = node.add_child(ExpectServerHello(extensions=srv_extensions))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
node = node.add_child(
ClientKeyExchangeGenerator(premaster_secret=bytearray([1] * 4)))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\r\n\r\n")))
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
node = node.add_child(ExpectAlert(level, alert))
node.add_child(ExpectClose())
conversations["very short (4-byte) pre master secret"] = conversation
# check if too long PMS is detected
conversation = Connect(host, port)
node = conversation
ciphers = [cipher]
node = node.add_child(
ClientHelloGenerator(ciphers, extensions=cln_extensions))
node = node.add_child(ExpectServerHello(extensions=srv_extensions))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
node = node.add_child(
ClientKeyExchangeGenerator(premaster_secret=bytearray([1] * 49)))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\r\n\r\n")))
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
node = node.add_child(ExpectAlert(level, alert))
node.add_child(ExpectClose())
conversations["too long (49-byte) pre master secret"] = conversation
# check if wrong TLS version number is rejected
conversation = Connect(host, port)
node = conversation
ciphers = [cipher]
node = node.add_child(
ClientHelloGenerator(ciphers, extensions=cln_extensions))
node = node.add_child(ExpectServerHello(extensions=srv_extensions))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
node = node.add_child(ClientKeyExchangeGenerator(client_version=(2, 2)))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\r\n\r\n")))
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
node = node.add_child(ExpectAlert(level, alert))
node.add_child(ExpectClose())
conversations[
"wrong TLS version (2, 2) in pre master secret"] = conversation
# check if wrong TLS version number is rejected
conversation = Connect(host, port)
node = conversation
ciphers = [cipher]
node = node.add_child(
ClientHelloGenerator(ciphers, extensions=cln_extensions))
node = node.add_child(ExpectServerHello(extensions=srv_extensions))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
node = node.add_child(ClientKeyExchangeGenerator(client_version=(0, 0)))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\r\n\r\n")))
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
node = node.add_child(ExpectAlert(level, alert))
node.add_child(ExpectClose())
conversations[
"wrong TLS version (0, 0) in pre master secret"] = conversation
# check if too short PKCS padding is detected
conversation = Connect(host, port)
node = conversation
ciphers = [cipher]
node = node.add_child(
ClientHelloGenerator(ciphers, extensions=cln_extensions))
node = node.add_child(ExpectServerHello(extensions=srv_extensions))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
# move the start of the padding forward, essentially encrypting two 0 bytes
# at the beginning of the padding, but since those are transformed into a number
# their existence is lost and it just like the padding was too small
node = node.add_child(ClientKeyExchangeGenerator(padding_subs={
1: 0,
2: 2
}))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\r\n\r\n")))
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
node = node.add_child(ExpectAlert(level, alert))
node.add_child(ExpectClose())
conversations["too short PKCS padding"] = conversation
# check if too long PKCS padding is detected
conversation = Connect(host, port)
node = conversation
ciphers = [cipher]
node = node.add_child(
ClientHelloGenerator(ciphers, extensions=cln_extensions))
node = node.add_child(ExpectServerHello(extensions=srv_extensions))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
# move the start of the padding backward, essentially encrypting no 0 bytes
# at the beginning of the padding, but since those are transformed into a number
# its lack is lost and it just like the padding was too big
node = node.add_child(ClientKeyExchangeGenerator(padding_subs={0: 2}))
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(FinishedGenerator())
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\r\n\r\n")))
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
node = node.add_child(ExpectAlert(level, alert))
node.add_child(ExpectClose())
conversations["too long PKCS padding"] = conversation
# fuzz MAC in the Finshed message to make decryption fail
conversation = Connect(host, port)
node = conversation
ciphers = [cipher]
node = node.add_child(
ClientHelloGenerator(ciphers, extensions=cln_extensions))
node = node.add_child(ExpectServerHello(extensions=srv_extensions))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
node = node.add_child(ClientKeyExchangeGenerator())
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(fuzz_mac(FinishedGenerator(), xors={0: 0xff}))
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\r\n\r\n")))
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
node = node.add_child(ExpectAlert(level, alert))
node.add_child(ExpectClose())
conversations["invalid MAC in Finished on pos 0"] = conversation
conversation = Connect(host, port)
node = conversation
ciphers = [cipher]
node = node.add_child(
ClientHelloGenerator(ciphers, extensions=cln_extensions))
node = node.add_child(ExpectServerHello(extensions=srv_extensions))
node = node.add_child(ExpectCertificate())
node = node.add_child(ExpectServerHelloDone())
node = node.add_child(TCPBufferingEnable())
node = node.add_child(ClientKeyExchangeGenerator())
node = node.add_child(ChangeCipherSpecGenerator())
node = node.add_child(fuzz_mac(FinishedGenerator(), xors={-1: 0xff}))
node = node.add_child(
ApplicationDataGenerator(bytearray(b"GET / HTTP/1.0\r\n\r\n")))
node = node.add_child(TCPBufferingDisable())
node = node.add_child(TCPBufferingFlush())
node = node.add_child(ExpectAlert(level, alert))
node.add_child(ExpectClose())
conversations["invalid MAC in Finished on pos -1"] = 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)
print("Running tests for {0}".format(CipherSuite.ietfNames[cipher]))
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 > 0:
sys.exit(1)
elif timing:
# if regular tests passed, run timing collection and analysis
if TimingRunner.check_tcpdump():
timing_runner = TimingRunner(
"{0}_{1}".format(sys.argv[0], CipherSuite.ietfNames[cipher]),
sampled_tests, outdir, host, port, interface)
print("Running timing tests...")
timing_runner.generate_log(run_only, run_exclude, repetitions)
ret_val = timing_runner.run()
print("Statistical analysis exited with {0}".format(ret_val))
else:
print("Could not run timing tests because tcpdump is not present!")
sys.exit(1)
print(20 * '=')