567 lines
26 KiB
Python
567 lines
26 KiB
Python
# Author: Hubert Kario, (c) 2016
|
|
# Released under Gnu GPL v2.0, see LICENSE file for details
|
|
|
|
from __future__ import print_function
|
|
import traceback
|
|
import sys
|
|
import getopt
|
|
import re
|
|
from itertools import chain
|
|
from random import sample
|
|
|
|
from tlsfuzzer.runner import Runner
|
|
from tlsfuzzer.messages import Connect, ClientHelloGenerator, \
|
|
ClientKeyExchangeGenerator, ChangeCipherSpecGenerator, \
|
|
FinishedGenerator, ApplicationDataGenerator, \
|
|
CertificateGenerator, CertificateVerifyGenerator, \
|
|
AlertGenerator, pad_handshake, TCPBufferingEnable, \
|
|
TCPBufferingDisable, TCPBufferingFlush, truncate_handshake, \
|
|
fuzz_message
|
|
from tlsfuzzer.expect import ExpectServerHello, ExpectCertificate, \
|
|
ExpectServerHelloDone, ExpectChangeCipherSpec, ExpectFinished, \
|
|
ExpectAlert, ExpectClose, ExpectCertificateRequest, \
|
|
ExpectApplicationData
|
|
from tlslite.extensions import SignatureAlgorithmsExtension, \
|
|
SignatureAlgorithmsCertExtension
|
|
from tlslite.constants import CipherSuite, AlertDescription, \
|
|
HashAlgorithm, SignatureAlgorithm, ExtensionType, AlertLevel, \
|
|
AlertDescription, ContentType
|
|
from tlslite.utils.keyfactory import parsePEMKey
|
|
from tlslite.x509 import X509
|
|
from tlslite.x509certchain import X509CertChain
|
|
from tlsfuzzer.helpers import RSA_SIG_ALL
|
|
from tlsfuzzer.utils.lists import natural_sort_keys
|
|
|
|
|
|
version = 4
|
|
|
|
|
|
def help_msg():
|
|
print("Usage: <script-name> [-h hostname] [-p port] [[probe-name] ...]")
|
|
print(" -h hostname name of the host to run the test against")
|
|
print(" localhost by default")
|
|
print(" -p port port number to use for connection, 4433 by default")
|
|
print(" probe-name if present, will run only the probes with given")
|
|
print(" names and not all of them, e.g \"sanity\"")
|
|
print(" -e probe-name exclude the probe from the list of the ones run")
|
|
print(" may be specified multiple times")
|
|
print(" -n num run 'num' or all(if 0) tests instead of default(1000)")
|
|
print(" (excluding \"sanity\" tests)")
|
|
print(" -x probe-name expect the probe to fail. When such probe passes despite being marked like this")
|
|
print(" it will be reported in the test summary and the whole script will fail.")
|
|
print(" May be specified multiple times.")
|
|
print(" -X message expect the `message` substring in exception raised during")
|
|
print(" execution of preceding expected failure probe")
|
|
print(" usage: [-x probe-name] [-X exception], order is compulsory!")
|
|
print(" -k file.pem file with private key for client")
|
|
print(" -c file.pem file with certificate for client")
|
|
print(" --help this message")
|
|
|
|
|
|
|
|
def main():
|
|
"""Check if malformed messages related to client certs are rejected."""
|
|
conversations = {}
|
|
host = "localhost"
|
|
port = 4433
|
|
num_limit = 1000
|
|
run_exclude = set()
|
|
expected_failures = {}
|
|
last_exp_tmp = None
|
|
private_key = None
|
|
cert = None
|
|
|
|
argv = sys.argv[1:]
|
|
opts, args = getopt.getopt(argv, "h:p:e:x:X:k:c: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 == '-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 == '-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']]),
|
|
ExtensionType.signature_algorithms_cert:
|
|
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)}
|
|
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']]),
|
|
ExtensionType.signature_algorithms_cert:
|
|
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)}
|
|
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']]),
|
|
ExtensionType.signature_algorithms_cert:
|
|
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)}
|
|
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']]),
|
|
ExtensionType.signature_algorithms_cert:
|
|
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)}
|
|
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())
|
|
# If the lenght of the certificates is inconsitent, we expect decode_error.
|
|
# If the lenght seems fine for that cert(they are parsed one by one), but
|
|
# the payload is wrong, it will fail with bad_certificate.
|
|
node = node.add_child(ExpectAlert(AlertLevel.fatal,
|
|
(AlertDescription.decode_error,
|
|
AlertDescription.bad_certificate)))
|
|
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']]),
|
|
ExtensionType.signature_algorithms_cert:
|
|
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)}
|
|
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']]),
|
|
ExtensionType.signature_algorithms_cert:
|
|
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)}
|
|
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, 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())
|
|
# if the implementation is proper, it will reject the message
|
|
node = node.add_child(ExpectAlert(AlertLevel.fatal,
|
|
AlertDescription.decode_error))
|
|
node = node.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']]),
|
|
ExtensionType.signature_algorithms_cert:
|
|
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)}
|
|
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()
|
|
# extend the handshake message to allow for modifying fictional
|
|
# certificate_list
|
|
msg = pad_handshake(msg, k)
|
|
# change the overall length of the certificate_list
|
|
subs = {6: i}
|
|
if k >= 3:
|
|
# if there's payload past certificate_list length tag
|
|
# set the byte that specifies length of first certificate
|
|
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())
|
|
# when the certificate is just a string of null bytes, it's a bad
|
|
# certificate
|
|
# (all length tags are 3 byte long)
|
|
if i == j + 3 and k + 3 == i + 3 and j > 0:
|
|
node = node.add_child(ExpectAlert(AlertLevel.fatal,
|
|
AlertDescription.bad_certificate))
|
|
else:
|
|
# If the lenght of the certificates is inconsitent, we expect decode_error.
|
|
# If the lenght seems fine for that cert(they are parsed one by one), but
|
|
# the payload is wrong, it will fail with bad_certificate.
|
|
node = node.add_child(ExpectAlert(AlertLevel.fatal,
|
|
(AlertDescription.decode_error,
|
|
AlertDescription.bad_certificate)))
|
|
node = node.add_child(ExpectClose())
|
|
|
|
conversations["fuzz empty certificate - overall {2}, certs {0}, cert {1}"
|
|
.format(i, j, k + 3)] = conversation
|
|
|
|
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']]),
|
|
ExtensionType.signature_algorithms_cert:
|
|
SignatureAlgorithmsCertExtension().create(RSA_SIG_ALL)}
|
|
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())
|
|
empty_cert = X509()
|
|
msg = CertificateGenerator(X509CertChain([cert, empty_cert]))
|
|
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["Correct cert followed by an empty one"] = conversation
|
|
|
|
# fuzz the lenght of the second certificate which is empty
|
|
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())
|
|
empty_cert = X509()
|
|
msg = CertificateGenerator(X509CertChain([cert, empty_cert]))
|
|
node = node.add_child(msg)
|
|
node = node.add_child(fuzz_message(msg, 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 second certificate(empty) length - {0}"
|
|
.format(i)] = conversation
|
|
|
|
# Correct cert followed by 2 empty certs. Fuzz the length of the middle(2nd) cert
|
|
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())
|
|
empty_cert = X509()
|
|
msg = CertificateGenerator(X509CertChain([cert, empty_cert]))
|
|
msg = pad_handshake(msg, 3)
|
|
node = node.add_child(msg)
|
|
node = node.add_child(fuzz_message(msg, xors={-4: 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())
|
|
# If the lenght of the certificates is inconsitent, we expect decode_error.
|
|
# If the lenght seems fine for that cert(they are parsed one by one), but
|
|
# the payload is wrong, it will fail with bad_certificate.
|
|
node = node.add_child(ExpectAlert(AlertLevel.fatal,
|
|
(AlertDescription.decode_error,
|
|
AlertDescription.bad_certificate)))
|
|
node = node.add_child(ExpectClose())
|
|
|
|
conversations["fuzz middle certificate(empty) length - {0}"
|
|
.format(i)] = 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("Malformed Certificate test\n")
|
|
print("Test end")
|
|
print(20 * '=')
|
|
print("version: {0}".format(version))
|
|
print(20 * '=')
|
|
print("TOTAL: {0}".format(len(sampled_tests) + 2*len(sanity_tests)))
|
|
print("SKIP: {0}".format(len(run_exclude.intersection(conversations.keys()))))
|
|
print("PASS: {0}".format(good))
|
|
print("XFAIL: {0}".format(xfail))
|
|
print("FAIL: {0}".format(bad))
|
|
print("XPASS: {0}".format(xpass))
|
|
print(20 * '=')
|
|
sort = sorted(xpassed ,key=natural_sort_keys)
|
|
if len(sort):
|
|
print("XPASSED:\n\t{0}".format('\n\t'.join(repr(i) for i in sort)))
|
|
sort = sorted(failed, key=natural_sort_keys)
|
|
if len(sort):
|
|
print("FAILED:\n\t{0}".format('\n\t'.join(repr(i) for i in sort)))
|
|
|
|
if bad or xpass:
|
|
sys.exit(1)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|