/usr/lib/python3/dist-packages/twisted/test/test_sslverify.py is in python3-twisted-experimental 13.2.0-0ubuntu1.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 | # Copyright 2005 Divmod, Inc. See LICENSE file for details
# Copyright (c) Twisted Matrix Laboratories.
# See LICENSE for details.
"""
Tests for L{twisted.internet._sslverify}.
"""
from __future__ import division, absolute_import
import itertools
try:
from OpenSSL import SSL
from OpenSSL.crypto import PKey, X509
from OpenSSL.crypto import TYPE_RSA
from twisted.internet import _sslverify as sslverify
except ImportError:
pass
from twisted.python.compat import nativeString
from twisted.trial import unittest
from twisted.internet import protocol, defer, reactor
from twisted.internet.error import CertificateError, ConnectionLost
from twisted.internet import interfaces
# A couple of static PEM-format certificates to be used by various tests.
A_HOST_CERTIFICATE_PEM = """
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
"""
A_PEER_CERTIFICATE_PEM = """
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
"""
def counter(counter=itertools.count()):
"""
Each time we're called, return the next integer in the natural numbers.
"""
return next(counter)
def makeCertificate(**kw):
keypair = PKey()
keypair.generate_key(TYPE_RSA, 512)
certificate = X509()
certificate.gmtime_adj_notBefore(0)
certificate.gmtime_adj_notAfter(60 * 60 * 24 * 365) # One year
for xname in certificate.get_issuer(), certificate.get_subject():
for (k, v) in kw.items():
setattr(xname, k, nativeString(v))
certificate.set_serial_number(counter())
certificate.set_pubkey(keypair)
certificate.sign(keypair, "md5")
return keypair, certificate
class DataCallbackProtocol(protocol.Protocol):
def dataReceived(self, data):
d, self.factory.onData = self.factory.onData, None
if d is not None:
d.callback(data)
def connectionLost(self, reason):
d, self.factory.onLost = self.factory.onLost, None
if d is not None:
d.errback(reason)
class WritingProtocol(protocol.Protocol):
byte = b'x'
def connectionMade(self):
self.transport.write(self.byte)
def connectionLost(self, reason):
self.factory.onLost.errback(reason)
class FakeContext(object):
"""
Introspectable fake of an C{OpenSSL.SSL.Context}.
Saves call arguments for later introspection.
Necessary because C{Context} offers poor introspection. cf. this
U{pyOpenSSL bug<https://bugs.launchpad.net/pyopenssl/+bug/1173899>}.
@ivar _method: See C{method} parameter of L{__init__}.
@ivar _options: C{int} of C{OR}ed values from calls of L{set_options}.
@ivar _certificate: Set by L{use_certificate}.
@ivar _privateKey: Set by L{use_privatekey}.
@ivar _verify: Set by L{set_verify}.
@ivar _verifyDepth: Set by L{set_verify_depth}.
@ivar _sessionID: Set by L{set_session_id}.
@ivar _extraCertChain: Accumulated C{list} of all extra certificates added
by L{add_extra_chain_cert}.
"""
_options = 0
def __init__(self, method):
self._method = method
self._extraCertChain = []
def set_options(self, options):
self._options |= options
def use_certificate(self, certificate):
self._certificate = certificate
def use_privatekey(self, privateKey):
self._privateKey = privateKey
def check_privatekey(self):
return None
def set_verify(self, flags, callback):
self._verify = flags, callback
def set_verify_depth(self, depth):
self._verifyDepth = depth
def set_session_id(self, sessionID):
self._sessionID = sessionID
def add_extra_chain_cert(self, cert):
self._extraCertChain.append(cert)
class OpenSSLOptions(unittest.TestCase):
serverPort = clientConn = None
onServerLost = onClientLost = None
sKey = None
sCert = None
cKey = None
cCert = None
def setUp(self):
"""
Create class variables of client and server certificates.
"""
self.sKey, self.sCert = makeCertificate(
O=b"Server Test Certificate",
CN=b"server")
self.cKey, self.cCert = makeCertificate(
O=b"Client Test Certificate",
CN=b"client")
self.caCert1 = makeCertificate(
O=b"CA Test Certificate 1",
CN=b"ca1")[1]
self.caCert2 = makeCertificate(
O=b"CA Test Certificate",
CN=b"ca2")[1]
self.caCerts = [self.caCert1, self.caCert2]
self.extraCertChain = self.caCerts
def tearDown(self):
if self.serverPort is not None:
self.serverPort.stopListening()
if self.clientConn is not None:
self.clientConn.disconnect()
L = []
if self.onServerLost is not None:
L.append(self.onServerLost)
if self.onClientLost is not None:
L.append(self.onClientLost)
return defer.DeferredList(L, consumeErrors=True)
def loopback(self, serverCertOpts, clientCertOpts,
onServerLost=None, onClientLost=None, onData=None):
if onServerLost is None:
self.onServerLost = onServerLost = defer.Deferred()
if onClientLost is None:
self.onClientLost = onClientLost = defer.Deferred()
if onData is None:
onData = defer.Deferred()
serverFactory = protocol.ServerFactory()
serverFactory.protocol = DataCallbackProtocol
serverFactory.onLost = onServerLost
serverFactory.onData = onData
clientFactory = protocol.ClientFactory()
clientFactory.protocol = WritingProtocol
clientFactory.onLost = onClientLost
self.serverPort = reactor.listenSSL(0, serverFactory, serverCertOpts)
self.clientConn = reactor.connectSSL('127.0.0.1',
self.serverPort.getHost().port, clientFactory, clientCertOpts)
def test_constructorWithOnlyPrivateKey(self):
"""
C{privateKey} and C{certificate} make only sense if both are set.
"""
self.assertRaises(
ValueError,
sslverify.OpenSSLCertificateOptions, privateKey=self.sKey
)
def test_constructorWithOnlyCertificate(self):
"""
C{privateKey} and C{certificate} make only sense if both are set.
"""
self.assertRaises(
ValueError,
sslverify.OpenSSLCertificateOptions, certificate=self.sCert
)
def test_constructorWithCertificateAndPrivateKey(self):
"""
Specifying C{privateKey} and C{certificate} initializes correctly.
"""
opts = sslverify.OpenSSLCertificateOptions(privateKey=self.sKey,
certificate=self.sCert)
self.assertEqual(opts.privateKey, self.sKey)
self.assertEqual(opts.certificate, self.sCert)
self.assertEqual(opts.extraCertChain, [])
def test_constructorDoesNotAllowVerifyWithoutCACerts(self):
"""
C{verify} must not be C{True} without specifying C{caCerts}.
"""
self.assertRaises(
ValueError,
sslverify.OpenSSLCertificateOptions,
privateKey=self.sKey, certificate=self.sCert, verify=True
)
def test_constructorAllowsCACertsWithoutVerify(self):
"""
It's currently a NOP, but valid.
"""
opts = sslverify.OpenSSLCertificateOptions(privateKey=self.sKey,
certificate=self.sCert,
caCerts=self.caCerts)
self.assertFalse(opts.verify)
self.assertEqual(self.caCerts, opts.caCerts)
def test_constructorWithVerifyAndCACerts(self):
"""
Specifying C{verify} and C{caCerts} initializes correctly.
"""
opts = sslverify.OpenSSLCertificateOptions(privateKey=self.sKey,
certificate=self.sCert,
verify=True,
caCerts=self.caCerts)
self.assertTrue(opts.verify)
self.assertEqual(self.caCerts, opts.caCerts)
def test_constructorSetsExtraChain(self):
"""
Setting C{extraCertChain} works if C{certificate} and C{privateKey} are
set along with it.
"""
opts = sslverify.OpenSSLCertificateOptions(
privateKey=self.sKey,
certificate=self.sCert,
extraCertChain=self.extraCertChain,
)
self.assertEqual(self.extraCertChain, opts.extraCertChain)
def test_constructorDoesNotAllowExtraChainWithoutPrivateKey(self):
"""
A C{extraCertChain} without C{privateKey} doesn't make sense and is
thus rejected.
"""
self.assertRaises(
ValueError,
sslverify.OpenSSLCertificateOptions,
certificate=self.sCert,
extraCertChain=self.extraCertChain,
)
def test_constructorDoesNotAllowExtraChainWithOutPrivateKey(self):
"""
A C{extraCertChain} without C{certificate} doesn't make sense and is
thus rejected.
"""
self.assertRaises(
ValueError,
sslverify.OpenSSLCertificateOptions,
privateKey=self.sKey,
extraCertChain=self.extraCertChain,
)
def test_extraChainFilesAreAddedIfSupplied(self):
"""
If C{extraCertChain} is set and all prerequisites are met, the
specified chain certificates are added to C{Context}s that get
created.
"""
opts = sslverify.OpenSSLCertificateOptions(
privateKey=self.sKey,
certificate=self.sCert,
extraCertChain=self.extraCertChain,
)
opts._contextFactory = FakeContext
ctx = opts.getContext()
self.assertEqual(self.sKey, ctx._privateKey)
self.assertEqual(self.sCert, ctx._certificate)
self.assertEqual(self.extraCertChain, ctx._extraCertChain)
def test_extraChainDoesNotBreakPyOpenSSL(self):
"""
C{extraCertChain} doesn't break C{OpenSSL.SSL.Context} creation.
"""
opts = sslverify.OpenSSLCertificateOptions(
privateKey=self.sKey,
certificate=self.sCert,
extraCertChain=self.extraCertChain,
)
ctx = opts.getContext()
self.assertIsInstance(ctx, SSL.Context)
def test_abbreviatingDistinguishedNames(self):
"""
Check that abbreviations used in certificates correctly map to
complete names.
"""
self.assertEqual(
sslverify.DN(CN=b'a', OU=b'hello'),
sslverify.DistinguishedName(commonName=b'a',
organizationalUnitName=b'hello'))
self.assertNotEquals(
sslverify.DN(CN=b'a', OU=b'hello'),
sslverify.DN(CN=b'a', OU=b'hello', emailAddress=b'xxx'))
dn = sslverify.DN(CN=b'abcdefg')
self.assertRaises(AttributeError, setattr, dn, 'Cn', b'x')
self.assertEqual(dn.CN, dn.commonName)
dn.CN = b'bcdefga'
self.assertEqual(dn.CN, dn.commonName)
def testInspectDistinguishedName(self):
n = sslverify.DN(commonName=b'common name',
organizationName=b'organization name',
organizationalUnitName=b'organizational unit name',
localityName=b'locality name',
stateOrProvinceName=b'state or province name',
countryName=b'country name',
emailAddress=b'email address')
s = n.inspect()
for k in [
'common name',
'organization name',
'organizational unit name',
'locality name',
'state or province name',
'country name',
'email address']:
self.assertIn(k, s, "%r was not in inspect output." % (k,))
self.assertIn(k.title(), s, "%r was not in inspect output." % (k,))
def testInspectDistinguishedNameWithoutAllFields(self):
n = sslverify.DN(localityName=b'locality name')
s = n.inspect()
for k in [
'common name',
'organization name',
'organizational unit name',
'state or province name',
'country name',
'email address']:
self.assertNotIn(k, s, "%r was in inspect output." % (k,))
self.assertNotIn(k.title(), s, "%r was in inspect output." % (k,))
self.assertIn('locality name', s)
self.assertIn('Locality Name', s)
def test_inspectCertificate(self):
"""
Test that the C{inspect} method of L{sslverify.Certificate} returns
a human-readable string containing some basic information about the
certificate.
"""
c = sslverify.Certificate.loadPEM(A_HOST_CERTIFICATE_PEM)
self.assertEqual(
c.inspect().split('\n'),
["Certificate For Subject:",
" Common Name: example.twistedmatrix.com",
" Country Name: US",
" Email Address: nobody@twistedmatrix.com",
" Locality Name: Boston",
" Organization Name: Twisted Matrix Labs",
" Organizational Unit Name: Security",
" State Or Province Name: Massachusetts",
"",
"Issuer:",
" Common Name: example.twistedmatrix.com",
" Country Name: US",
" Email Address: nobody@twistedmatrix.com",
" Locality Name: Boston",
" Organization Name: Twisted Matrix Labs",
" Organizational Unit Name: Security",
" State Or Province Name: Massachusetts",
"",
"Serial Number: 12345",
"Digest: C4:96:11:00:30:C3:EC:EE:A3:55:AA:ED:8C:84:85:18",
"Public Key with Hash: ff33994c80812aa95a79cdb85362d054"])
def test_certificateOptionsSerialization(self):
"""
Test that __setstate__(__getstate__()) round-trips properly.
"""
firstOpts = sslverify.OpenSSLCertificateOptions(
privateKey=self.sKey,
certificate=self.sCert,
method=SSL.SSLv3_METHOD,
verify=True,
caCerts=[self.sCert],
verifyDepth=2,
requireCertificate=False,
verifyOnce=False,
enableSingleUseKeys=False,
enableSessions=False,
fixBrokenPeers=True,
enableSessionTickets=True)
context = firstOpts.getContext()
self.assertIdentical(context, firstOpts._context)
self.assertNotIdentical(context, None)
state = firstOpts.__getstate__()
self.assertNotIn("_context", state)
opts = sslverify.OpenSSLCertificateOptions()
opts.__setstate__(state)
self.assertEqual(opts.privateKey, self.sKey)
self.assertEqual(opts.certificate, self.sCert)
self.assertEqual(opts.method, SSL.SSLv3_METHOD)
self.assertEqual(opts.verify, True)
self.assertEqual(opts.caCerts, [self.sCert])
self.assertEqual(opts.verifyDepth, 2)
self.assertEqual(opts.requireCertificate, False)
self.assertEqual(opts.verifyOnce, False)
self.assertEqual(opts.enableSingleUseKeys, False)
self.assertEqual(opts.enableSessions, False)
self.assertEqual(opts.fixBrokenPeers, True)
self.assertEqual(opts.enableSessionTickets, True)
def test_certificateOptionsSessionTickets(self):
"""
Enabling session tickets should not set the OP_NO_TICKET option.
"""
opts = sslverify.OpenSSLCertificateOptions(enableSessionTickets=True)
ctx = opts.getContext()
self.assertEqual(0, ctx.set_options(0) & 0x00004000)
def test_certificateOptionsSessionTicketsDisabled(self):
"""
Enabling session tickets should set the OP_NO_TICKET option.
"""
opts = sslverify.OpenSSLCertificateOptions(enableSessionTickets=False)
ctx = opts.getContext()
self.assertEqual(0x00004000, ctx.set_options(0) & 0x00004000)
def test_allowedAnonymousClientConnection(self):
"""
Check that anonymous connections are allowed when certificates aren't
required on the server.
"""
onData = defer.Deferred()
self.loopback(sslverify.OpenSSLCertificateOptions(privateKey=self.sKey,
certificate=self.sCert, requireCertificate=False),
sslverify.OpenSSLCertificateOptions(
requireCertificate=False),
onData=onData)
return onData.addCallback(
lambda result: self.assertEqual(result, WritingProtocol.byte))
def test_refusedAnonymousClientConnection(self):
"""
Check that anonymous connections are refused when certificates are
required on the server.
"""
onServerLost = defer.Deferred()
onClientLost = defer.Deferred()
self.loopback(sslverify.OpenSSLCertificateOptions(privateKey=self.sKey,
certificate=self.sCert, verify=True,
caCerts=[self.sCert], requireCertificate=True),
sslverify.OpenSSLCertificateOptions(
requireCertificate=False),
onServerLost=onServerLost,
onClientLost=onClientLost)
d = defer.DeferredList([onClientLost, onServerLost],
consumeErrors=True)
def afterLost(result):
((cSuccess, cResult), (sSuccess, sResult)) = result
self.failIf(cSuccess)
self.failIf(sSuccess)
# Win32 fails to report the SSL Error, and report a connection lost
# instead: there is a race condition so that's not totally
# surprising (see ticket #2877 in the tracker)
self.assertIsInstance(cResult.value, (SSL.Error, ConnectionLost))
self.assertIsInstance(sResult.value, SSL.Error)
return d.addCallback(afterLost)
def test_failedCertificateVerification(self):
"""
Check that connecting with a certificate not accepted by the server CA
fails.
"""
onServerLost = defer.Deferred()
onClientLost = defer.Deferred()
self.loopback(sslverify.OpenSSLCertificateOptions(privateKey=self.sKey,
certificate=self.sCert, verify=False,
requireCertificate=False),
sslverify.OpenSSLCertificateOptions(verify=True,
requireCertificate=False, caCerts=[self.cCert]),
onServerLost=onServerLost,
onClientLost=onClientLost)
d = defer.DeferredList([onClientLost, onServerLost],
consumeErrors=True)
def afterLost(result):
((cSuccess, cResult), (sSuccess, sResult)) = result
self.failIf(cSuccess)
self.failIf(sSuccess)
return d.addCallback(afterLost)
def test_successfulCertificateVerification(self):
"""
Test a successful connection with client certificate validation on
server side.
"""
onData = defer.Deferred()
self.loopback(sslverify.OpenSSLCertificateOptions(privateKey=self.sKey,
certificate=self.sCert, verify=False,
requireCertificate=False),
sslverify.OpenSSLCertificateOptions(verify=True,
requireCertificate=True, caCerts=[self.sCert]),
onData=onData)
return onData.addCallback(
lambda result: self.assertEqual(result, WritingProtocol.byte))
def test_successfulSymmetricSelfSignedCertificateVerification(self):
"""
Test a successful connection with validation on both server and client
sides.
"""
onData = defer.Deferred()
self.loopback(sslverify.OpenSSLCertificateOptions(privateKey=self.sKey,
certificate=self.sCert, verify=True,
requireCertificate=True, caCerts=[self.cCert]),
sslverify.OpenSSLCertificateOptions(privateKey=self.cKey,
certificate=self.cCert, verify=True,
requireCertificate=True, caCerts=[self.sCert]),
onData=onData)
return onData.addCallback(
lambda result: self.assertEqual(result, WritingProtocol.byte))
def test_verification(self):
"""
Check certificates verification building custom certificates data.
"""
clientDN = sslverify.DistinguishedName(commonName='client')
clientKey = sslverify.KeyPair.generate()
clientCertReq = clientKey.certificateRequest(clientDN)
serverDN = sslverify.DistinguishedName(commonName='server')
serverKey = sslverify.KeyPair.generate()
serverCertReq = serverKey.certificateRequest(serverDN)
clientSelfCertReq = clientKey.certificateRequest(clientDN)
clientSelfCertData = clientKey.signCertificateRequest(
clientDN, clientSelfCertReq, lambda dn: True, 132)
clientSelfCert = clientKey.newCertificate(clientSelfCertData)
serverSelfCertReq = serverKey.certificateRequest(serverDN)
serverSelfCertData = serverKey.signCertificateRequest(
serverDN, serverSelfCertReq, lambda dn: True, 516)
serverSelfCert = serverKey.newCertificate(serverSelfCertData)
clientCertData = serverKey.signCertificateRequest(
serverDN, clientCertReq, lambda dn: True, 7)
clientCert = clientKey.newCertificate(clientCertData)
serverCertData = clientKey.signCertificateRequest(
clientDN, serverCertReq, lambda dn: True, 42)
serverCert = serverKey.newCertificate(serverCertData)
onData = defer.Deferred()
serverOpts = serverCert.options(serverSelfCert)
clientOpts = clientCert.options(clientSelfCert)
self.loopback(serverOpts,
clientOpts,
onData=onData)
return onData.addCallback(
lambda result: self.assertEqual(result, WritingProtocol.byte))
def test_SSLv2IsDisabledForSSLv23(self):
"""
SSLv2 is insecure and should be disabled so when users use
SSLv23_METHOD, they get at least SSLV3. It does nothing if
SSLv2_METHOD chosen explicitly.
"""
opts = sslverify.OpenSSLCertificateOptions()
ctx = opts.getContext()
self.assertEqual(SSL.OP_NO_SSLv2, ctx.set_options(0) & SSL.OP_NO_SSLv2)
if interfaces.IReactorSSL(reactor, None) is None:
OpenSSLOptions.skip = "Reactor does not support SSL, cannot run SSL tests"
class _NotSSLTransport:
def getHandle(self):
return self
class _MaybeSSLTransport:
def getHandle(self):
return self
def get_peer_certificate(self):
return None
def get_host_certificate(self):
return None
class _ActualSSLTransport:
def getHandle(self):
return self
def get_host_certificate(self):
return sslverify.Certificate.loadPEM(A_HOST_CERTIFICATE_PEM).original
def get_peer_certificate(self):
return sslverify.Certificate.loadPEM(A_PEER_CERTIFICATE_PEM).original
class Constructors(unittest.TestCase):
def test_peerFromNonSSLTransport(self):
"""
Verify that peerFromTransport raises an exception if the transport
passed is not actually an SSL transport.
"""
x = self.assertRaises(CertificateError,
sslverify.Certificate.peerFromTransport,
_NotSSLTransport())
self.failUnless(str(x).startswith("non-TLS"))
def test_peerFromBlankSSLTransport(self):
"""
Verify that peerFromTransport raises an exception if the transport
passed is an SSL transport, but doesn't have a peer certificate.
"""
x = self.assertRaises(CertificateError,
sslverify.Certificate.peerFromTransport,
_MaybeSSLTransport())
self.failUnless(str(x).startswith("TLS"))
def test_hostFromNonSSLTransport(self):
"""
Verify that hostFromTransport raises an exception if the transport
passed is not actually an SSL transport.
"""
x = self.assertRaises(CertificateError,
sslverify.Certificate.hostFromTransport,
_NotSSLTransport())
self.failUnless(str(x).startswith("non-TLS"))
def test_hostFromBlankSSLTransport(self):
"""
Verify that hostFromTransport raises an exception if the transport
passed is an SSL transport, but doesn't have a host certificate.
"""
x = self.assertRaises(CertificateError,
sslverify.Certificate.hostFromTransport,
_MaybeSSLTransport())
self.failUnless(str(x).startswith("TLS"))
def test_hostFromSSLTransport(self):
"""
Verify that hostFromTransport successfully creates the correct
certificate if passed a valid SSL transport.
"""
self.assertEqual(
sslverify.Certificate.hostFromTransport(
_ActualSSLTransport()).serialNumber(),
12345)
def test_peerFromSSLTransport(self):
"""
Verify that peerFromTransport successfully creates the correct
certificate if passed a valid SSL transport.
"""
self.assertEqual(
sslverify.Certificate.peerFromTransport(
_ActualSSLTransport()).serialNumber(),
12346)
if interfaces.IReactorSSL(reactor, None) is None:
Constructors.skip = "Reactor does not support SSL, cannot run SSL tests"
|