/usr/lib/python3/dist-packages/acme/crypto_util_test.py is in python3-acme 0.22.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 | """Tests for acme.crypto_util."""
import itertools
import socket
import threading
import time
import unittest
import six
from six.moves import socketserver #type: ignore # pylint: disable=import-error
import josepy as jose
import OpenSSL
from acme import errors
from acme import test_util
class SSLSocketAndProbeSNITest(unittest.TestCase):
"""Tests for acme.crypto_util.SSLSocket/probe_sni."""
def setUp(self):
self.cert = test_util.load_comparable_cert('rsa2048_cert.pem')
key = test_util.load_pyopenssl_private_key('rsa2048_key.pem')
# pylint: disable=protected-access
certs = {b'foo': (key, self.cert.wrapped)}
from acme.crypto_util import SSLSocket
class _TestServer(socketserver.TCPServer):
# pylint: disable=too-few-public-methods
# six.moves.* | pylint: disable=attribute-defined-outside-init,no-init
def server_bind(self): # pylint: disable=missing-docstring
self.socket = SSLSocket(socket.socket(), certs=certs)
socketserver.TCPServer.server_bind(self)
self.server = _TestServer(('', 0), socketserver.BaseRequestHandler)
self.port = self.server.socket.getsockname()[1]
self.server_thread = threading.Thread(
# pylint: disable=no-member
target=self.server.handle_request)
self.server_thread.start()
time.sleep(1) # TODO: avoid race conditions in other way
def tearDown(self):
self.server_thread.join()
def _probe(self, name):
from acme.crypto_util import probe_sni
return jose.ComparableX509(probe_sni(
name, host='127.0.0.1', port=self.port))
def test_probe_ok(self):
self.assertEqual(self.cert, self._probe(b'foo'))
def test_probe_not_recognized_name(self):
self.assertRaises(errors.Error, self._probe, b'bar')
# TODO: py33/py34 tox hangs forever on do_handshake in second probe
#def probe_connection_error(self):
# self._probe(b'foo')
# #time.sleep(1) # TODO: avoid race conditions in other way
# self.assertRaises(errors.Error, self._probe, b'bar')
class PyOpenSSLCertOrReqAllNamesTest(unittest.TestCase):
"""Test for acme.crypto_util._pyopenssl_cert_or_req_all_names."""
@classmethod
def _call(cls, loader, name):
# pylint: disable=protected-access
from acme.crypto_util import _pyopenssl_cert_or_req_all_names
return _pyopenssl_cert_or_req_all_names(loader(name))
def _call_cert(self, name):
return self._call(test_util.load_cert, name)
def test_cert_one_san_no_common(self):
self.assertEqual(self._call_cert('cert-nocn.der'),
['no-common-name.badssl.com'])
def test_cert_no_sans_yes_common(self):
self.assertEqual(self._call_cert('cert.pem'), ['example.com'])
def test_cert_two_sans_yes_common(self):
self.assertEqual(self._call_cert('cert-san.pem'),
['example.com', 'www.example.com'])
class PyOpenSSLCertOrReqSANTest(unittest.TestCase):
"""Test for acme.crypto_util._pyopenssl_cert_or_req_san."""
@classmethod
def _call(cls, loader, name):
# pylint: disable=protected-access
from acme.crypto_util import _pyopenssl_cert_or_req_san
return _pyopenssl_cert_or_req_san(loader(name))
@classmethod
def _get_idn_names(cls):
"""Returns expected names from '{cert,csr}-idnsans.pem'."""
chars = [six.unichr(i) for i in itertools.chain(range(0x3c3, 0x400),
range(0x641, 0x6fc),
range(0x1820, 0x1877))]
return [''.join(chars[i: i + 45]) + '.invalid'
for i in range(0, len(chars), 45)]
def _call_cert(self, name):
return self._call(test_util.load_cert, name)
def _call_csr(self, name):
return self._call(test_util.load_csr, name)
def test_cert_no_sans(self):
self.assertEqual(self._call_cert('cert.pem'), [])
def test_cert_two_sans(self):
self.assertEqual(self._call_cert('cert-san.pem'),
['example.com', 'www.example.com'])
def test_cert_hundred_sans(self):
self.assertEqual(self._call_cert('cert-100sans.pem'),
['example{0}.com'.format(i) for i in range(1, 101)])
def test_cert_idn_sans(self):
self.assertEqual(self._call_cert('cert-idnsans.pem'),
self._get_idn_names())
def test_csr_no_sans(self):
self.assertEqual(self._call_csr('csr-nosans.pem'), [])
def test_csr_one_san(self):
self.assertEqual(self._call_csr('csr.pem'), ['example.com'])
def test_csr_two_sans(self):
self.assertEqual(self._call_csr('csr-san.pem'),
['example.com', 'www.example.com'])
def test_csr_six_sans(self):
self.assertEqual(self._call_csr('csr-6sans.pem'),
['example.com', 'example.org', 'example.net',
'example.info', 'subdomain.example.com',
'other.subdomain.example.com'])
def test_csr_hundred_sans(self):
self.assertEqual(self._call_csr('csr-100sans.pem'),
['example{0}.com'.format(i) for i in range(1, 101)])
def test_csr_idn_sans(self):
self.assertEqual(self._call_csr('csr-idnsans.pem'),
self._get_idn_names())
def test_critical_san(self):
self.assertEqual(self._call_cert('critical-san.pem'),
['chicago-cubs.venafi.example', 'cubs.venafi.example'])
class RandomSnTest(unittest.TestCase):
"""Test for random certificate serial numbers."""
def setUp(self):
self.cert_count = 5
self.serial_num = []
self.key = OpenSSL.crypto.PKey()
self.key.generate_key(OpenSSL.crypto.TYPE_RSA, 2048)
def test_sn_collisions(self):
from acme.crypto_util import gen_ss_cert
for _ in range(self.cert_count):
cert = gen_ss_cert(self.key, ['dummy'], force_san=True)
self.serial_num.append(cert.get_serial_number())
self.assertTrue(len(set(self.serial_num)) > 1)
class MakeCSRTest(unittest.TestCase):
"""Test for standalone functions."""
@classmethod
def _call_with_key(cls, *args, **kwargs):
privkey = OpenSSL.crypto.PKey()
privkey.generate_key(OpenSSL.crypto.TYPE_RSA, 2048)
privkey_pem = OpenSSL.crypto.dump_privatekey(OpenSSL.crypto.FILETYPE_PEM, privkey)
from acme.crypto_util import make_csr
return make_csr(privkey_pem, *args, **kwargs)
def test_make_csr(self):
csr_pem = self._call_with_key(["a.example", "b.example"])
self.assertTrue(b'--BEGIN CERTIFICATE REQUEST--' in csr_pem)
self.assertTrue(b'--END CERTIFICATE REQUEST--' in csr_pem)
csr = OpenSSL.crypto.load_certificate_request(
OpenSSL.crypto.FILETYPE_PEM, csr_pem)
# In pyopenssl 0.13 (used with TOXENV=py27-oldest), csr objects don't
# have a get_extensions() method, so we skip this test if the method
# isn't available.
if hasattr(csr, 'get_extensions'):
self.assertEquals(len(csr.get_extensions()), 1)
self.assertEquals(csr.get_extensions()[0].get_data(),
OpenSSL.crypto.X509Extension(
b'subjectAltName',
critical=False,
value=b'DNS:a.example, DNS:b.example',
).get_data(),
)
def test_make_csr_must_staple(self):
csr_pem = self._call_with_key(["a.example"], must_staple=True)
csr = OpenSSL.crypto.load_certificate_request(
OpenSSL.crypto.FILETYPE_PEM, csr_pem)
# In pyopenssl 0.13 (used with TOXENV=py27-oldest), csr objects don't
# have a get_extensions() method, so we skip this test if the method
# isn't available.
if hasattr(csr, 'get_extensions'):
self.assertEquals(len(csr.get_extensions()), 2)
# NOTE: Ideally we would filter by the TLS Feature OID, but
# OpenSSL.crypto.X509Extension doesn't give us the extension's raw OID,
# and the shortname field is just "UNDEF"
must_staple_exts = [e for e in csr.get_extensions()
if e.get_data() == b"0\x03\x02\x01\x05"]
self.assertEqual(len(must_staple_exts), 1,
"Expected exactly one Must Staple extension")
class DumpPyopensslChainTest(unittest.TestCase):
"""Test for dump_pyopenssl_chain."""
@classmethod
def _call(cls, loaded):
# pylint: disable=protected-access
from acme.crypto_util import dump_pyopenssl_chain
return dump_pyopenssl_chain(loaded)
def test_dump_pyopenssl_chain(self):
names = ['cert.pem', 'cert-san.pem', 'cert-idnsans.pem']
loaded = [test_util.load_cert(name) for name in names]
length = sum(
len(OpenSSL.crypto.dump_certificate(OpenSSL.crypto.FILETYPE_PEM, cert))
for cert in loaded)
self.assertEqual(len(self._call(loaded)), length)
def test_dump_pyopenssl_chain_wrapped(self):
names = ['cert.pem', 'cert-san.pem', 'cert-idnsans.pem']
loaded = [test_util.load_cert(name) for name in names]
wrap_func = jose.ComparableX509
wrapped = [wrap_func(cert) for cert in loaded]
dump_func = OpenSSL.crypto.dump_certificate
length = sum(len(dump_func(OpenSSL.crypto.FILETYPE_PEM, cert)) for cert in loaded)
self.assertEqual(len(self._call(wrapped)), length)
if __name__ == '__main__':
unittest.main() # pragma: no cover
|