mirror of https://github.com/python/cpython
1685 lines
71 KiB
Python
1685 lines
71 KiB
Python
# Test the support for SSL and sockets
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import sys
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import unittest
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from test import support
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import socket
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import select
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import time
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import gc
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import os
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import errno
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import pprint
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import tempfile
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import urllib.request
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import traceback
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import asyncore
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import weakref
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import platform
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import functools
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ssl = support.import_module("ssl")
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PROTOCOLS = [
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ssl.PROTOCOL_SSLv3,
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ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_TLSv1
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]
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if hasattr(ssl, 'PROTOCOL_SSLv2'):
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PROTOCOLS.append(ssl.PROTOCOL_SSLv2)
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HOST = support.HOST
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data_file = lambda name: os.path.join(os.path.dirname(__file__), name)
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# The custom key and certificate files used in test_ssl are generated
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# using Lib/test/make_ssl_certs.py.
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# Other certificates are simply fetched from the Internet servers they
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# are meant to authenticate.
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CERTFILE = data_file("keycert.pem")
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BYTES_CERTFILE = os.fsencode(CERTFILE)
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ONLYCERT = data_file("ssl_cert.pem")
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ONLYKEY = data_file("ssl_key.pem")
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BYTES_ONLYCERT = os.fsencode(ONLYCERT)
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BYTES_ONLYKEY = os.fsencode(ONLYKEY)
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CAPATH = data_file("capath")
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BYTES_CAPATH = os.fsencode(CAPATH)
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SVN_PYTHON_ORG_ROOT_CERT = data_file("https_svn_python_org_root.pem")
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EMPTYCERT = data_file("nullcert.pem")
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BADCERT = data_file("badcert.pem")
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WRONGCERT = data_file("XXXnonexisting.pem")
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BADKEY = data_file("badkey.pem")
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NOKIACERT = data_file("nokia.pem")
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def handle_error(prefix):
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exc_format = ' '.join(traceback.format_exception(*sys.exc_info()))
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if support.verbose:
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sys.stdout.write(prefix + exc_format)
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def can_clear_options():
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# 0.9.8m or higher
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return ssl._OPENSSL_API_VERSION >= (0, 9, 8, 13, 15)
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def no_sslv2_implies_sslv3_hello():
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# 0.9.7h or higher
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return ssl.OPENSSL_VERSION_INFO >= (0, 9, 7, 8, 15)
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# Issue #9415: Ubuntu hijacks their OpenSSL and forcefully disables SSLv2
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def skip_if_broken_ubuntu_ssl(func):
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if hasattr(ssl, 'PROTOCOL_SSLv2'):
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@functools.wraps(func)
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def f(*args, **kwargs):
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try:
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ssl.SSLContext(ssl.PROTOCOL_SSLv2)
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except ssl.SSLError:
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if (ssl.OPENSSL_VERSION_INFO == (0, 9, 8, 15, 15) and
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platform.linux_distribution() == ('debian', 'squeeze/sid', '')):
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raise unittest.SkipTest("Patched Ubuntu OpenSSL breaks behaviour")
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return func(*args, **kwargs)
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return f
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else:
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return func
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class BasicSocketTests(unittest.TestCase):
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def test_constants(self):
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#ssl.PROTOCOL_SSLv2
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ssl.PROTOCOL_SSLv23
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ssl.PROTOCOL_SSLv3
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ssl.PROTOCOL_TLSv1
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ssl.CERT_NONE
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ssl.CERT_OPTIONAL
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ssl.CERT_REQUIRED
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self.assertIn(ssl.HAS_SNI, {True, False})
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def test_random(self):
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v = ssl.RAND_status()
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if support.verbose:
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sys.stdout.write("\n RAND_status is %d (%s)\n"
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% (v, (v and "sufficient randomness") or
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"insufficient randomness"))
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try:
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ssl.RAND_egd(1)
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except TypeError:
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pass
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else:
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print("didn't raise TypeError")
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ssl.RAND_add("this is a random string", 75.0)
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def test_parse_cert(self):
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# note that this uses an 'unofficial' function in _ssl.c,
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# provided solely for this test, to exercise the certificate
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# parsing code
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p = ssl._ssl._test_decode_cert(CERTFILE)
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if support.verbose:
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sys.stdout.write("\n" + pprint.pformat(p) + "\n")
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self.assertEqual(p['issuer'],
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((('countryName', 'XY'),),
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(('localityName', 'Castle Anthrax'),),
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(('organizationName', 'Python Software Foundation'),),
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(('commonName', 'localhost'),))
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)
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self.assertEqual(p['notAfter'], 'Oct 5 23:01:56 2020 GMT')
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self.assertEqual(p['notBefore'], 'Oct 8 23:01:56 2010 GMT')
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self.assertEqual(p['serialNumber'], 'D7C7381919AFC24E')
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self.assertEqual(p['subject'],
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((('countryName', 'XY'),),
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(('localityName', 'Castle Anthrax'),),
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(('organizationName', 'Python Software Foundation'),),
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(('commonName', 'localhost'),))
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)
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self.assertEqual(p['subjectAltName'], (('DNS', 'localhost'),))
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# Issue #13034: the subjectAltName in some certificates
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# (notably projects.developer.nokia.com:443) wasn't parsed
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p = ssl._ssl._test_decode_cert(NOKIACERT)
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if support.verbose:
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sys.stdout.write("\n" + pprint.pformat(p) + "\n")
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self.assertEqual(p['subjectAltName'],
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(('DNS', 'projects.developer.nokia.com'),
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('DNS', 'projects.forum.nokia.com'))
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)
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def test_DER_to_PEM(self):
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with open(SVN_PYTHON_ORG_ROOT_CERT, 'r') as f:
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pem = f.read()
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d1 = ssl.PEM_cert_to_DER_cert(pem)
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p2 = ssl.DER_cert_to_PEM_cert(d1)
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d2 = ssl.PEM_cert_to_DER_cert(p2)
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self.assertEqual(d1, d2)
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if not p2.startswith(ssl.PEM_HEADER + '\n'):
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self.fail("DER-to-PEM didn't include correct header:\n%r\n" % p2)
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if not p2.endswith('\n' + ssl.PEM_FOOTER + '\n'):
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self.fail("DER-to-PEM didn't include correct footer:\n%r\n" % p2)
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def test_openssl_version(self):
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n = ssl.OPENSSL_VERSION_NUMBER
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t = ssl.OPENSSL_VERSION_INFO
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s = ssl.OPENSSL_VERSION
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self.assertIsInstance(n, int)
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self.assertIsInstance(t, tuple)
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self.assertIsInstance(s, str)
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# Some sanity checks follow
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# >= 0.9
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self.assertGreaterEqual(n, 0x900000)
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# < 2.0
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self.assertLess(n, 0x20000000)
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major, minor, fix, patch, status = t
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self.assertGreaterEqual(major, 0)
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self.assertLess(major, 2)
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self.assertGreaterEqual(minor, 0)
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self.assertLess(minor, 256)
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self.assertGreaterEqual(fix, 0)
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self.assertLess(fix, 256)
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self.assertGreaterEqual(patch, 0)
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self.assertLessEqual(patch, 26)
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self.assertGreaterEqual(status, 0)
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self.assertLessEqual(status, 15)
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# Version string as returned by OpenSSL, the format might change
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self.assertTrue(s.startswith("OpenSSL {:d}.{:d}.{:d}".format(major, minor, fix)),
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(s, t))
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@support.cpython_only
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def test_refcycle(self):
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# Issue #7943: an SSL object doesn't create reference cycles with
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# itself.
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s = socket.socket(socket.AF_INET)
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ss = ssl.wrap_socket(s)
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wr = weakref.ref(ss)
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del ss
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self.assertEqual(wr(), None)
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def test_wrapped_unconnected(self):
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# Methods on an unconnected SSLSocket propagate the original
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# socket.error raise by the underlying socket object.
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s = socket.socket(socket.AF_INET)
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ss = ssl.wrap_socket(s)
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self.assertRaises(socket.error, ss.recv, 1)
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self.assertRaises(socket.error, ss.recv_into, bytearray(b'x'))
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self.assertRaises(socket.error, ss.recvfrom, 1)
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self.assertRaises(socket.error, ss.recvfrom_into, bytearray(b'x'), 1)
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self.assertRaises(socket.error, ss.send, b'x')
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self.assertRaises(socket.error, ss.sendto, b'x', ('0.0.0.0', 0))
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def test_timeout(self):
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# Issue #8524: when creating an SSL socket, the timeout of the
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# original socket should be retained.
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for timeout in (None, 0.0, 5.0):
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s = socket.socket(socket.AF_INET)
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s.settimeout(timeout)
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ss = ssl.wrap_socket(s)
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self.assertEqual(timeout, ss.gettimeout())
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def test_errors(self):
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sock = socket.socket()
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self.assertRaisesRegex(ValueError,
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"certfile must be specified",
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ssl.wrap_socket, sock, keyfile=CERTFILE)
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self.assertRaisesRegex(ValueError,
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"certfile must be specified for server-side operations",
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ssl.wrap_socket, sock, server_side=True)
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self.assertRaisesRegex(ValueError,
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"certfile must be specified for server-side operations",
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ssl.wrap_socket, sock, server_side=True, certfile="")
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s = ssl.wrap_socket(sock, server_side=True, certfile=CERTFILE)
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self.assertRaisesRegex(ValueError, "can't connect in server-side mode",
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s.connect, (HOST, 8080))
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with self.assertRaises(IOError) as cm:
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with socket.socket() as sock:
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ssl.wrap_socket(sock, certfile=WRONGCERT)
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self.assertEqual(cm.exception.errno, errno.ENOENT)
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with self.assertRaises(IOError) as cm:
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with socket.socket() as sock:
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ssl.wrap_socket(sock, certfile=CERTFILE, keyfile=WRONGCERT)
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self.assertEqual(cm.exception.errno, errno.ENOENT)
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with self.assertRaises(IOError) as cm:
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with socket.socket() as sock:
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ssl.wrap_socket(sock, certfile=WRONGCERT, keyfile=WRONGCERT)
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self.assertEqual(cm.exception.errno, errno.ENOENT)
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def test_match_hostname(self):
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def ok(cert, hostname):
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ssl.match_hostname(cert, hostname)
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def fail(cert, hostname):
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self.assertRaises(ssl.CertificateError,
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ssl.match_hostname, cert, hostname)
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cert = {'subject': ((('commonName', 'example.com'),),)}
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ok(cert, 'example.com')
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ok(cert, 'ExAmple.cOm')
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fail(cert, 'www.example.com')
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fail(cert, '.example.com')
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fail(cert, 'example.org')
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fail(cert, 'exampleXcom')
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cert = {'subject': ((('commonName', '*.a.com'),),)}
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ok(cert, 'foo.a.com')
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fail(cert, 'bar.foo.a.com')
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fail(cert, 'a.com')
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fail(cert, 'Xa.com')
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fail(cert, '.a.com')
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cert = {'subject': ((('commonName', 'a.*.com'),),)}
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ok(cert, 'a.foo.com')
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fail(cert, 'a..com')
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fail(cert, 'a.com')
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cert = {'subject': ((('commonName', 'f*.com'),),)}
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ok(cert, 'foo.com')
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ok(cert, 'f.com')
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fail(cert, 'bar.com')
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fail(cert, 'foo.a.com')
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fail(cert, 'bar.foo.com')
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# Slightly fake real-world example
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cert = {'notAfter': 'Jun 26 21:41:46 2011 GMT',
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'subject': ((('commonName', 'linuxfrz.org'),),),
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'subjectAltName': (('DNS', 'linuxfr.org'),
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('DNS', 'linuxfr.com'),
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('othername', '<unsupported>'))}
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ok(cert, 'linuxfr.org')
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ok(cert, 'linuxfr.com')
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# Not a "DNS" entry
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fail(cert, '<unsupported>')
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# When there is a subjectAltName, commonName isn't used
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fail(cert, 'linuxfrz.org')
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# A pristine real-world example
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cert = {'notAfter': 'Dec 18 23:59:59 2011 GMT',
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'subject': ((('countryName', 'US'),),
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(('stateOrProvinceName', 'California'),),
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(('localityName', 'Mountain View'),),
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(('organizationName', 'Google Inc'),),
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(('commonName', 'mail.google.com'),))}
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ok(cert, 'mail.google.com')
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fail(cert, 'gmail.com')
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# Only commonName is considered
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fail(cert, 'California')
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# Neither commonName nor subjectAltName
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cert = {'notAfter': 'Dec 18 23:59:59 2011 GMT',
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'subject': ((('countryName', 'US'),),
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(('stateOrProvinceName', 'California'),),
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(('localityName', 'Mountain View'),),
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(('organizationName', 'Google Inc'),))}
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fail(cert, 'mail.google.com')
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# No DNS entry in subjectAltName but a commonName
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cert = {'notAfter': 'Dec 18 23:59:59 2099 GMT',
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'subject': ((('countryName', 'US'),),
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(('stateOrProvinceName', 'California'),),
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(('localityName', 'Mountain View'),),
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(('commonName', 'mail.google.com'),)),
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'subjectAltName': (('othername', 'blabla'), )}
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ok(cert, 'mail.google.com')
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# No DNS entry subjectAltName and no commonName
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cert = {'notAfter': 'Dec 18 23:59:59 2099 GMT',
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'subject': ((('countryName', 'US'),),
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(('stateOrProvinceName', 'California'),),
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(('localityName', 'Mountain View'),),
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(('organizationName', 'Google Inc'),)),
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'subjectAltName': (('othername', 'blabla'),)}
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fail(cert, 'google.com')
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# Empty cert / no cert
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self.assertRaises(ValueError, ssl.match_hostname, None, 'example.com')
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self.assertRaises(ValueError, ssl.match_hostname, {}, 'example.com')
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def test_server_side(self):
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# server_hostname doesn't work for server sockets
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ctx = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
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with socket.socket() as sock:
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self.assertRaises(ValueError, ctx.wrap_socket, sock, True,
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server_hostname="some.hostname")
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class ContextTests(unittest.TestCase):
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@skip_if_broken_ubuntu_ssl
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def test_constructor(self):
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if hasattr(ssl, 'PROTOCOL_SSLv2'):
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ctx = ssl.SSLContext(ssl.PROTOCOL_SSLv2)
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ctx = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
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ctx = ssl.SSLContext(ssl.PROTOCOL_SSLv3)
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ctx = ssl.SSLContext(ssl.PROTOCOL_TLSv1)
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self.assertRaises(TypeError, ssl.SSLContext)
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self.assertRaises(ValueError, ssl.SSLContext, -1)
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self.assertRaises(ValueError, ssl.SSLContext, 42)
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@skip_if_broken_ubuntu_ssl
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def test_protocol(self):
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for proto in PROTOCOLS:
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ctx = ssl.SSLContext(proto)
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self.assertEqual(ctx.protocol, proto)
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def test_ciphers(self):
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ctx = ssl.SSLContext(ssl.PROTOCOL_TLSv1)
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ctx.set_ciphers("ALL")
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ctx.set_ciphers("DEFAULT")
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with self.assertRaisesRegex(ssl.SSLError, "No cipher can be selected"):
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ctx.set_ciphers("^$:,;?*'dorothyx")
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@skip_if_broken_ubuntu_ssl
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def test_options(self):
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ctx = ssl.SSLContext(ssl.PROTOCOL_TLSv1)
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# OP_ALL is the default value
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self.assertEqual(ssl.OP_ALL, ctx.options)
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ctx.options |= ssl.OP_NO_SSLv2
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self.assertEqual(ssl.OP_ALL | ssl.OP_NO_SSLv2,
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ctx.options)
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ctx.options |= ssl.OP_NO_SSLv3
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self.assertEqual(ssl.OP_ALL | ssl.OP_NO_SSLv2 | ssl.OP_NO_SSLv3,
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ctx.options)
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if can_clear_options():
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ctx.options = (ctx.options & ~ssl.OP_NO_SSLv2) | ssl.OP_NO_TLSv1
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self.assertEqual(ssl.OP_ALL | ssl.OP_NO_TLSv1 | ssl.OP_NO_SSLv3,
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ctx.options)
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ctx.options = 0
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self.assertEqual(0, ctx.options)
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else:
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with self.assertRaises(ValueError):
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ctx.options = 0
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def test_verify(self):
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ctx = ssl.SSLContext(ssl.PROTOCOL_TLSv1)
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# Default value
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self.assertEqual(ctx.verify_mode, ssl.CERT_NONE)
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ctx.verify_mode = ssl.CERT_OPTIONAL
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self.assertEqual(ctx.verify_mode, ssl.CERT_OPTIONAL)
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ctx.verify_mode = ssl.CERT_REQUIRED
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self.assertEqual(ctx.verify_mode, ssl.CERT_REQUIRED)
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ctx.verify_mode = ssl.CERT_NONE
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self.assertEqual(ctx.verify_mode, ssl.CERT_NONE)
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with self.assertRaises(TypeError):
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ctx.verify_mode = None
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with self.assertRaises(ValueError):
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ctx.verify_mode = 42
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def test_load_cert_chain(self):
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ctx = ssl.SSLContext(ssl.PROTOCOL_TLSv1)
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# Combined key and cert in a single file
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ctx.load_cert_chain(CERTFILE)
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ctx.load_cert_chain(CERTFILE, keyfile=CERTFILE)
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self.assertRaises(TypeError, ctx.load_cert_chain, keyfile=CERTFILE)
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with self.assertRaises(IOError) as cm:
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ctx.load_cert_chain(WRONGCERT)
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self.assertEqual(cm.exception.errno, errno.ENOENT)
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with self.assertRaisesRegex(ssl.SSLError, "PEM lib"):
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ctx.load_cert_chain(BADCERT)
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with self.assertRaisesRegex(ssl.SSLError, "PEM lib"):
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ctx.load_cert_chain(EMPTYCERT)
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# Separate key and cert
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ctx = ssl.SSLContext(ssl.PROTOCOL_TLSv1)
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ctx.load_cert_chain(ONLYCERT, ONLYKEY)
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ctx.load_cert_chain(certfile=ONLYCERT, keyfile=ONLYKEY)
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ctx.load_cert_chain(certfile=BYTES_ONLYCERT, keyfile=BYTES_ONLYKEY)
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with self.assertRaisesRegex(ssl.SSLError, "PEM lib"):
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ctx.load_cert_chain(ONLYCERT)
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with self.assertRaisesRegex(ssl.SSLError, "PEM lib"):
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ctx.load_cert_chain(ONLYKEY)
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with self.assertRaisesRegex(ssl.SSLError, "PEM lib"):
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ctx.load_cert_chain(certfile=ONLYKEY, keyfile=ONLYCERT)
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# Mismatching key and cert
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ctx = ssl.SSLContext(ssl.PROTOCOL_TLSv1)
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with self.assertRaisesRegex(ssl.SSLError, "key values mismatch"):
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ctx.load_cert_chain(SVN_PYTHON_ORG_ROOT_CERT, ONLYKEY)
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def test_load_verify_locations(self):
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ctx = ssl.SSLContext(ssl.PROTOCOL_TLSv1)
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ctx.load_verify_locations(CERTFILE)
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ctx.load_verify_locations(cafile=CERTFILE, capath=None)
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ctx.load_verify_locations(BYTES_CERTFILE)
|
|
ctx.load_verify_locations(cafile=BYTES_CERTFILE, capath=None)
|
|
self.assertRaises(TypeError, ctx.load_verify_locations)
|
|
self.assertRaises(TypeError, ctx.load_verify_locations, None, None)
|
|
with self.assertRaises(IOError) as cm:
|
|
ctx.load_verify_locations(WRONGCERT)
|
|
self.assertEqual(cm.exception.errno, errno.ENOENT)
|
|
with self.assertRaisesRegex(ssl.SSLError, "PEM lib"):
|
|
ctx.load_verify_locations(BADCERT)
|
|
ctx.load_verify_locations(CERTFILE, CAPATH)
|
|
ctx.load_verify_locations(CERTFILE, capath=BYTES_CAPATH)
|
|
|
|
# Issue #10989: crash if the second argument type is invalid
|
|
self.assertRaises(TypeError, ctx.load_verify_locations, None, True)
|
|
|
|
@skip_if_broken_ubuntu_ssl
|
|
def test_session_stats(self):
|
|
for proto in PROTOCOLS:
|
|
ctx = ssl.SSLContext(proto)
|
|
self.assertEqual(ctx.session_stats(), {
|
|
'number': 0,
|
|
'connect': 0,
|
|
'connect_good': 0,
|
|
'connect_renegotiate': 0,
|
|
'accept': 0,
|
|
'accept_good': 0,
|
|
'accept_renegotiate': 0,
|
|
'hits': 0,
|
|
'misses': 0,
|
|
'timeouts': 0,
|
|
'cache_full': 0,
|
|
})
|
|
|
|
def test_set_default_verify_paths(self):
|
|
# There's not much we can do to test that it acts as expected,
|
|
# so just check it doesn't crash or raise an exception.
|
|
ctx = ssl.SSLContext(ssl.PROTOCOL_TLSv1)
|
|
ctx.set_default_verify_paths()
|
|
|
|
|
|
class NetworkedTests(unittest.TestCase):
|
|
|
|
def test_connect(self):
|
|
with support.transient_internet("svn.python.org"):
|
|
s = ssl.wrap_socket(socket.socket(socket.AF_INET),
|
|
cert_reqs=ssl.CERT_NONE)
|
|
try:
|
|
s.connect(("svn.python.org", 443))
|
|
self.assertEqual({}, s.getpeercert())
|
|
finally:
|
|
s.close()
|
|
|
|
# this should fail because we have no verification certs
|
|
s = ssl.wrap_socket(socket.socket(socket.AF_INET),
|
|
cert_reqs=ssl.CERT_REQUIRED)
|
|
self.assertRaisesRegex(ssl.SSLError, "certificate verify failed",
|
|
s.connect, ("svn.python.org", 443))
|
|
s.close()
|
|
|
|
# this should succeed because we specify the root cert
|
|
s = ssl.wrap_socket(socket.socket(socket.AF_INET),
|
|
cert_reqs=ssl.CERT_REQUIRED,
|
|
ca_certs=SVN_PYTHON_ORG_ROOT_CERT)
|
|
try:
|
|
s.connect(("svn.python.org", 443))
|
|
self.assertTrue(s.getpeercert())
|
|
finally:
|
|
s.close()
|
|
|
|
def test_connect_ex(self):
|
|
# Issue #11326: check connect_ex() implementation
|
|
with support.transient_internet("svn.python.org"):
|
|
s = ssl.wrap_socket(socket.socket(socket.AF_INET),
|
|
cert_reqs=ssl.CERT_REQUIRED,
|
|
ca_certs=SVN_PYTHON_ORG_ROOT_CERT)
|
|
try:
|
|
self.assertEqual(0, s.connect_ex(("svn.python.org", 443)))
|
|
self.assertTrue(s.getpeercert())
|
|
finally:
|
|
s.close()
|
|
|
|
def test_non_blocking_connect_ex(self):
|
|
# Issue #11326: non-blocking connect_ex() should allow handshake
|
|
# to proceed after the socket gets ready.
|
|
with support.transient_internet("svn.python.org"):
|
|
s = ssl.wrap_socket(socket.socket(socket.AF_INET),
|
|
cert_reqs=ssl.CERT_REQUIRED,
|
|
ca_certs=SVN_PYTHON_ORG_ROOT_CERT,
|
|
do_handshake_on_connect=False)
|
|
try:
|
|
s.setblocking(False)
|
|
rc = s.connect_ex(('svn.python.org', 443))
|
|
# EWOULDBLOCK under Windows, EINPROGRESS elsewhere
|
|
self.assertIn(rc, (0, errno.EINPROGRESS, errno.EWOULDBLOCK))
|
|
# Wait for connect to finish
|
|
select.select([], [s], [], 5.0)
|
|
# Non-blocking handshake
|
|
while True:
|
|
try:
|
|
s.do_handshake()
|
|
break
|
|
except ssl.SSLError as err:
|
|
if err.args[0] == ssl.SSL_ERROR_WANT_READ:
|
|
select.select([s], [], [], 5.0)
|
|
elif err.args[0] == ssl.SSL_ERROR_WANT_WRITE:
|
|
select.select([], [s], [], 5.0)
|
|
else:
|
|
raise
|
|
# SSL established
|
|
self.assertTrue(s.getpeercert())
|
|
finally:
|
|
s.close()
|
|
|
|
def test_timeout_connect_ex(self):
|
|
# Issue #12065: on a timeout, connect_ex() should return the original
|
|
# errno (mimicking the behaviour of non-SSL sockets).
|
|
with support.transient_internet("svn.python.org"):
|
|
s = ssl.wrap_socket(socket.socket(socket.AF_INET),
|
|
cert_reqs=ssl.CERT_REQUIRED,
|
|
ca_certs=SVN_PYTHON_ORG_ROOT_CERT,
|
|
do_handshake_on_connect=False)
|
|
try:
|
|
s.settimeout(0.0000001)
|
|
rc = s.connect_ex(('svn.python.org', 443))
|
|
if rc == 0:
|
|
self.skipTest("svn.python.org responded too quickly")
|
|
self.assertIn(rc, (errno.EAGAIN, errno.EWOULDBLOCK))
|
|
finally:
|
|
s.close()
|
|
|
|
def test_connect_with_context(self):
|
|
with support.transient_internet("svn.python.org"):
|
|
# Same as test_connect, but with a separately created context
|
|
ctx = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
|
|
s = ctx.wrap_socket(socket.socket(socket.AF_INET))
|
|
s.connect(("svn.python.org", 443))
|
|
try:
|
|
self.assertEqual({}, s.getpeercert())
|
|
finally:
|
|
s.close()
|
|
# Same with a server hostname
|
|
s = ctx.wrap_socket(socket.socket(socket.AF_INET),
|
|
server_hostname="svn.python.org")
|
|
if ssl.HAS_SNI:
|
|
s.connect(("svn.python.org", 443))
|
|
s.close()
|
|
else:
|
|
self.assertRaises(ValueError, s.connect, ("svn.python.org", 443))
|
|
# This should fail because we have no verification certs
|
|
ctx.verify_mode = ssl.CERT_REQUIRED
|
|
s = ctx.wrap_socket(socket.socket(socket.AF_INET))
|
|
self.assertRaisesRegex(ssl.SSLError, "certificate verify failed",
|
|
s.connect, ("svn.python.org", 443))
|
|
s.close()
|
|
# This should succeed because we specify the root cert
|
|
ctx.load_verify_locations(SVN_PYTHON_ORG_ROOT_CERT)
|
|
s = ctx.wrap_socket(socket.socket(socket.AF_INET))
|
|
s.connect(("svn.python.org", 443))
|
|
try:
|
|
cert = s.getpeercert()
|
|
self.assertTrue(cert)
|
|
finally:
|
|
s.close()
|
|
|
|
def test_connect_capath(self):
|
|
# Verify server certificates using the `capath` argument
|
|
# NOTE: the subject hashing algorithm has been changed between
|
|
# OpenSSL 0.9.8n and 1.0.0, as a result the capath directory must
|
|
# contain both versions of each certificate (same content, different
|
|
# filename) for this test to be portable across OpenSSL releases.
|
|
with support.transient_internet("svn.python.org"):
|
|
ctx = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
|
|
ctx.verify_mode = ssl.CERT_REQUIRED
|
|
ctx.load_verify_locations(capath=CAPATH)
|
|
s = ctx.wrap_socket(socket.socket(socket.AF_INET))
|
|
s.connect(("svn.python.org", 443))
|
|
try:
|
|
cert = s.getpeercert()
|
|
self.assertTrue(cert)
|
|
finally:
|
|
s.close()
|
|
# Same with a bytes `capath` argument
|
|
ctx = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
|
|
ctx.verify_mode = ssl.CERT_REQUIRED
|
|
ctx.load_verify_locations(capath=BYTES_CAPATH)
|
|
s = ctx.wrap_socket(socket.socket(socket.AF_INET))
|
|
s.connect(("svn.python.org", 443))
|
|
try:
|
|
cert = s.getpeercert()
|
|
self.assertTrue(cert)
|
|
finally:
|
|
s.close()
|
|
|
|
@unittest.skipIf(os.name == "nt", "Can't use a socket as a file under Windows")
|
|
def test_makefile_close(self):
|
|
# Issue #5238: creating a file-like object with makefile() shouldn't
|
|
# delay closing the underlying "real socket" (here tested with its
|
|
# file descriptor, hence skipping the test under Windows).
|
|
with support.transient_internet("svn.python.org"):
|
|
ss = ssl.wrap_socket(socket.socket(socket.AF_INET))
|
|
ss.connect(("svn.python.org", 443))
|
|
fd = ss.fileno()
|
|
f = ss.makefile()
|
|
f.close()
|
|
# The fd is still open
|
|
os.read(fd, 0)
|
|
# Closing the SSL socket should close the fd too
|
|
ss.close()
|
|
gc.collect()
|
|
with self.assertRaises(OSError) as e:
|
|
os.read(fd, 0)
|
|
self.assertEqual(e.exception.errno, errno.EBADF)
|
|
|
|
def test_non_blocking_handshake(self):
|
|
with support.transient_internet("svn.python.org"):
|
|
s = socket.socket(socket.AF_INET)
|
|
s.connect(("svn.python.org", 443))
|
|
s.setblocking(False)
|
|
s = ssl.wrap_socket(s,
|
|
cert_reqs=ssl.CERT_NONE,
|
|
do_handshake_on_connect=False)
|
|
count = 0
|
|
while True:
|
|
try:
|
|
count += 1
|
|
s.do_handshake()
|
|
break
|
|
except ssl.SSLError as err:
|
|
if err.args[0] == ssl.SSL_ERROR_WANT_READ:
|
|
select.select([s], [], [])
|
|
elif err.args[0] == ssl.SSL_ERROR_WANT_WRITE:
|
|
select.select([], [s], [])
|
|
else:
|
|
raise
|
|
s.close()
|
|
if support.verbose:
|
|
sys.stdout.write("\nNeeded %d calls to do_handshake() to establish session.\n" % count)
|
|
|
|
def test_get_server_certificate(self):
|
|
with support.transient_internet("svn.python.org"):
|
|
pem = ssl.get_server_certificate(("svn.python.org", 443))
|
|
if not pem:
|
|
self.fail("No server certificate on svn.python.org:443!")
|
|
|
|
try:
|
|
pem = ssl.get_server_certificate(("svn.python.org", 443), ca_certs=CERTFILE)
|
|
except ssl.SSLError as x:
|
|
#should fail
|
|
if support.verbose:
|
|
sys.stdout.write("%s\n" % x)
|
|
else:
|
|
self.fail("Got server certificate %s for svn.python.org!" % pem)
|
|
|
|
pem = ssl.get_server_certificate(("svn.python.org", 443), ca_certs=SVN_PYTHON_ORG_ROOT_CERT)
|
|
if not pem:
|
|
self.fail("No server certificate on svn.python.org:443!")
|
|
if support.verbose:
|
|
sys.stdout.write("\nVerified certificate for svn.python.org:443 is\n%s\n" % pem)
|
|
|
|
def test_ciphers(self):
|
|
remote = ("svn.python.org", 443)
|
|
with support.transient_internet(remote[0]):
|
|
s = ssl.wrap_socket(socket.socket(socket.AF_INET),
|
|
cert_reqs=ssl.CERT_NONE, ciphers="ALL")
|
|
s.connect(remote)
|
|
s = ssl.wrap_socket(socket.socket(socket.AF_INET),
|
|
cert_reqs=ssl.CERT_NONE, ciphers="DEFAULT")
|
|
s.connect(remote)
|
|
# Error checking can happen at instantiation or when connecting
|
|
with self.assertRaisesRegex(ssl.SSLError, "No cipher can be selected"):
|
|
with socket.socket(socket.AF_INET) as sock:
|
|
s = ssl.wrap_socket(sock,
|
|
cert_reqs=ssl.CERT_NONE, ciphers="^$:,;?*'dorothyx")
|
|
s.connect(remote)
|
|
|
|
def test_algorithms(self):
|
|
# Issue #8484: all algorithms should be available when verifying a
|
|
# certificate.
|
|
# SHA256 was added in OpenSSL 0.9.8
|
|
if ssl.OPENSSL_VERSION_INFO < (0, 9, 8, 0, 15):
|
|
self.skipTest("SHA256 not available on %r" % ssl.OPENSSL_VERSION)
|
|
# https://sha2.hboeck.de/ was used until 2011-01-08 (no route to host)
|
|
remote = ("sha256.tbs-internet.com", 443)
|
|
sha256_cert = os.path.join(os.path.dirname(__file__), "sha256.pem")
|
|
with support.transient_internet("sha256.tbs-internet.com"):
|
|
s = ssl.wrap_socket(socket.socket(socket.AF_INET),
|
|
cert_reqs=ssl.CERT_REQUIRED,
|
|
ca_certs=sha256_cert,)
|
|
try:
|
|
s.connect(remote)
|
|
if support.verbose:
|
|
sys.stdout.write("\nCipher with %r is %r\n" %
|
|
(remote, s.cipher()))
|
|
sys.stdout.write("Certificate is:\n%s\n" %
|
|
pprint.pformat(s.getpeercert()))
|
|
finally:
|
|
s.close()
|
|
|
|
|
|
try:
|
|
import threading
|
|
except ImportError:
|
|
_have_threads = False
|
|
else:
|
|
_have_threads = True
|
|
|
|
from test.ssl_servers import make_https_server
|
|
|
|
class ThreadedEchoServer(threading.Thread):
|
|
|
|
class ConnectionHandler(threading.Thread):
|
|
|
|
"""A mildly complicated class, because we want it to work both
|
|
with and without the SSL wrapper around the socket connection, so
|
|
that we can test the STARTTLS functionality."""
|
|
|
|
def __init__(self, server, connsock, addr):
|
|
self.server = server
|
|
self.running = False
|
|
self.sock = connsock
|
|
self.addr = addr
|
|
self.sock.setblocking(1)
|
|
self.sslconn = None
|
|
threading.Thread.__init__(self)
|
|
self.daemon = True
|
|
|
|
def wrap_conn(self):
|
|
try:
|
|
self.sslconn = self.server.context.wrap_socket(
|
|
self.sock, server_side=True)
|
|
except ssl.SSLError:
|
|
# XXX Various errors can have happened here, for example
|
|
# a mismatching protocol version, an invalid certificate,
|
|
# or a low-level bug. This should be made more discriminating.
|
|
if self.server.chatty:
|
|
handle_error("\n server: bad connection attempt from " + repr(self.addr) + ":\n")
|
|
self.running = False
|
|
self.server.stop()
|
|
self.close()
|
|
return False
|
|
else:
|
|
if self.server.context.verify_mode == ssl.CERT_REQUIRED:
|
|
cert = self.sslconn.getpeercert()
|
|
if support.verbose and self.server.chatty:
|
|
sys.stdout.write(" client cert is " + pprint.pformat(cert) + "\n")
|
|
cert_binary = self.sslconn.getpeercert(True)
|
|
if support.verbose and self.server.chatty:
|
|
sys.stdout.write(" cert binary is " + str(len(cert_binary)) + " bytes\n")
|
|
cipher = self.sslconn.cipher()
|
|
if support.verbose and self.server.chatty:
|
|
sys.stdout.write(" server: connection cipher is now " + str(cipher) + "\n")
|
|
return True
|
|
|
|
def read(self):
|
|
if self.sslconn:
|
|
return self.sslconn.read()
|
|
else:
|
|
return self.sock.recv(1024)
|
|
|
|
def write(self, bytes):
|
|
if self.sslconn:
|
|
return self.sslconn.write(bytes)
|
|
else:
|
|
return self.sock.send(bytes)
|
|
|
|
def close(self):
|
|
if self.sslconn:
|
|
self.sslconn.close()
|
|
else:
|
|
self.sock.close()
|
|
|
|
def run(self):
|
|
self.running = True
|
|
if not self.server.starttls_server:
|
|
if not self.wrap_conn():
|
|
return
|
|
while self.running:
|
|
try:
|
|
msg = self.read()
|
|
stripped = msg.strip()
|
|
if not stripped:
|
|
# eof, so quit this handler
|
|
self.running = False
|
|
self.close()
|
|
elif stripped == b'over':
|
|
if support.verbose and self.server.connectionchatty:
|
|
sys.stdout.write(" server: client closed connection\n")
|
|
self.close()
|
|
return
|
|
elif (self.server.starttls_server and
|
|
stripped == b'STARTTLS'):
|
|
if support.verbose and self.server.connectionchatty:
|
|
sys.stdout.write(" server: read STARTTLS from client, sending OK...\n")
|
|
self.write(b"OK\n")
|
|
if not self.wrap_conn():
|
|
return
|
|
elif (self.server.starttls_server and self.sslconn
|
|
and stripped == b'ENDTLS'):
|
|
if support.verbose and self.server.connectionchatty:
|
|
sys.stdout.write(" server: read ENDTLS from client, sending OK...\n")
|
|
self.write(b"OK\n")
|
|
self.sock = self.sslconn.unwrap()
|
|
self.sslconn = None
|
|
if support.verbose and self.server.connectionchatty:
|
|
sys.stdout.write(" server: connection is now unencrypted...\n")
|
|
else:
|
|
if (support.verbose and
|
|
self.server.connectionchatty):
|
|
ctype = (self.sslconn and "encrypted") or "unencrypted"
|
|
sys.stdout.write(" server: read %r (%s), sending back %r (%s)...\n"
|
|
% (msg, ctype, msg.lower(), ctype))
|
|
self.write(msg.lower())
|
|
except socket.error:
|
|
if self.server.chatty:
|
|
handle_error("Test server failure:\n")
|
|
self.close()
|
|
self.running = False
|
|
# normally, we'd just stop here, but for the test
|
|
# harness, we want to stop the server
|
|
self.server.stop()
|
|
|
|
def __init__(self, certificate=None, ssl_version=None,
|
|
certreqs=None, cacerts=None,
|
|
chatty=True, connectionchatty=False, starttls_server=False,
|
|
ciphers=None, context=None):
|
|
if context:
|
|
self.context = context
|
|
else:
|
|
self.context = ssl.SSLContext(ssl_version
|
|
if ssl_version is not None
|
|
else ssl.PROTOCOL_TLSv1)
|
|
self.context.verify_mode = (certreqs if certreqs is not None
|
|
else ssl.CERT_NONE)
|
|
if cacerts:
|
|
self.context.load_verify_locations(cacerts)
|
|
if certificate:
|
|
self.context.load_cert_chain(certificate)
|
|
if ciphers:
|
|
self.context.set_ciphers(ciphers)
|
|
self.chatty = chatty
|
|
self.connectionchatty = connectionchatty
|
|
self.starttls_server = starttls_server
|
|
self.sock = socket.socket()
|
|
self.port = support.bind_port(self.sock)
|
|
self.flag = None
|
|
self.active = False
|
|
threading.Thread.__init__(self)
|
|
self.daemon = True
|
|
|
|
def start(self, flag=None):
|
|
self.flag = flag
|
|
threading.Thread.start(self)
|
|
|
|
def run(self):
|
|
self.sock.settimeout(0.05)
|
|
self.sock.listen(5)
|
|
self.active = True
|
|
if self.flag:
|
|
# signal an event
|
|
self.flag.set()
|
|
while self.active:
|
|
try:
|
|
newconn, connaddr = self.sock.accept()
|
|
if support.verbose and self.chatty:
|
|
sys.stdout.write(' server: new connection from '
|
|
+ repr(connaddr) + '\n')
|
|
handler = self.ConnectionHandler(self, newconn, connaddr)
|
|
handler.start()
|
|
except socket.timeout:
|
|
pass
|
|
except KeyboardInterrupt:
|
|
self.stop()
|
|
self.sock.close()
|
|
|
|
def stop(self):
|
|
self.active = False
|
|
|
|
class AsyncoreEchoServer(threading.Thread):
|
|
|
|
# this one's based on asyncore.dispatcher
|
|
|
|
class EchoServer (asyncore.dispatcher):
|
|
|
|
class ConnectionHandler (asyncore.dispatcher_with_send):
|
|
|
|
def __init__(self, conn, certfile):
|
|
self.socket = ssl.wrap_socket(conn, server_side=True,
|
|
certfile=certfile,
|
|
do_handshake_on_connect=False)
|
|
asyncore.dispatcher_with_send.__init__(self, self.socket)
|
|
self._ssl_accepting = True
|
|
self._do_ssl_handshake()
|
|
|
|
def readable(self):
|
|
if isinstance(self.socket, ssl.SSLSocket):
|
|
while self.socket.pending() > 0:
|
|
self.handle_read_event()
|
|
return True
|
|
|
|
def _do_ssl_handshake(self):
|
|
try:
|
|
self.socket.do_handshake()
|
|
except ssl.SSLError as err:
|
|
if err.args[0] in (ssl.SSL_ERROR_WANT_READ,
|
|
ssl.SSL_ERROR_WANT_WRITE):
|
|
return
|
|
elif err.args[0] == ssl.SSL_ERROR_EOF:
|
|
return self.handle_close()
|
|
raise
|
|
except socket.error as err:
|
|
if err.args[0] == errno.ECONNABORTED:
|
|
return self.handle_close()
|
|
else:
|
|
self._ssl_accepting = False
|
|
|
|
def handle_read(self):
|
|
if self._ssl_accepting:
|
|
self._do_ssl_handshake()
|
|
else:
|
|
data = self.recv(1024)
|
|
if support.verbose:
|
|
sys.stdout.write(" server: read %s from client\n" % repr(data))
|
|
if not data:
|
|
self.close()
|
|
else:
|
|
self.send(data.lower())
|
|
|
|
def handle_close(self):
|
|
self.close()
|
|
if support.verbose:
|
|
sys.stdout.write(" server: closed connection %s\n" % self.socket)
|
|
|
|
def handle_error(self):
|
|
raise
|
|
|
|
def __init__(self, certfile):
|
|
self.certfile = certfile
|
|
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
|
|
self.port = support.bind_port(sock, '')
|
|
asyncore.dispatcher.__init__(self, sock)
|
|
self.listen(5)
|
|
|
|
def handle_accepted(self, sock_obj, addr):
|
|
if support.verbose:
|
|
sys.stdout.write(" server: new connection from %s:%s\n" %addr)
|
|
self.ConnectionHandler(sock_obj, self.certfile)
|
|
|
|
def handle_error(self):
|
|
raise
|
|
|
|
def __init__(self, certfile):
|
|
self.flag = None
|
|
self.active = False
|
|
self.server = self.EchoServer(certfile)
|
|
self.port = self.server.port
|
|
threading.Thread.__init__(self)
|
|
self.daemon = True
|
|
|
|
def __str__(self):
|
|
return "<%s %s>" % (self.__class__.__name__, self.server)
|
|
|
|
def start (self, flag=None):
|
|
self.flag = flag
|
|
threading.Thread.start(self)
|
|
|
|
def run(self):
|
|
self.active = True
|
|
if self.flag:
|
|
self.flag.set()
|
|
while self.active:
|
|
try:
|
|
asyncore.loop(1)
|
|
except:
|
|
pass
|
|
|
|
def stop(self):
|
|
self.active = False
|
|
self.server.close()
|
|
|
|
def bad_cert_test(certfile):
|
|
"""
|
|
Launch a server with CERT_REQUIRED, and check that trying to
|
|
connect to it with the given client certificate fails.
|
|
"""
|
|
server = ThreadedEchoServer(CERTFILE,
|
|
certreqs=ssl.CERT_REQUIRED,
|
|
cacerts=CERTFILE, chatty=False,
|
|
connectionchatty=False)
|
|
flag = threading.Event()
|
|
server.start(flag)
|
|
# wait for it to start
|
|
flag.wait()
|
|
# try to connect
|
|
try:
|
|
try:
|
|
with socket.socket() as sock:
|
|
s = ssl.wrap_socket(sock,
|
|
certfile=certfile,
|
|
ssl_version=ssl.PROTOCOL_TLSv1)
|
|
s.connect((HOST, server.port))
|
|
except ssl.SSLError as x:
|
|
if support.verbose:
|
|
sys.stdout.write("\nSSLError is %s\n" % x.args[1])
|
|
except socket.error as x:
|
|
if support.verbose:
|
|
sys.stdout.write("\nsocket.error is %s\n" % x.args[1])
|
|
except IOError as x:
|
|
if x.errno != errno.ENOENT:
|
|
raise
|
|
if support.verbose:
|
|
sys.stdout.write("\IOError is %s\n" % str(x))
|
|
else:
|
|
raise AssertionError("Use of invalid cert should have failed!")
|
|
finally:
|
|
server.stop()
|
|
server.join()
|
|
|
|
def server_params_test(client_context, server_context, indata=b"FOO\n",
|
|
chatty=True, connectionchatty=False):
|
|
"""
|
|
Launch a server, connect a client to it and try various reads
|
|
and writes.
|
|
"""
|
|
server = ThreadedEchoServer(context=server_context,
|
|
chatty=chatty,
|
|
connectionchatty=False)
|
|
flag = threading.Event()
|
|
server.start(flag)
|
|
# wait for it to start
|
|
flag.wait()
|
|
# try to connect
|
|
try:
|
|
s = client_context.wrap_socket(socket.socket())
|
|
s.connect((HOST, server.port))
|
|
for arg in [indata, bytearray(indata), memoryview(indata)]:
|
|
if connectionchatty:
|
|
if support.verbose:
|
|
sys.stdout.write(
|
|
" client: sending %r...\n" % indata)
|
|
s.write(arg)
|
|
outdata = s.read()
|
|
if connectionchatty:
|
|
if support.verbose:
|
|
sys.stdout.write(" client: read %r\n" % outdata)
|
|
if outdata != indata.lower():
|
|
raise AssertionError(
|
|
"bad data <<%r>> (%d) received; expected <<%r>> (%d)\n"
|
|
% (outdata[:20], len(outdata),
|
|
indata[:20].lower(), len(indata)))
|
|
s.write(b"over\n")
|
|
if connectionchatty:
|
|
if support.verbose:
|
|
sys.stdout.write(" client: closing connection.\n")
|
|
s.close()
|
|
finally:
|
|
server.stop()
|
|
server.join()
|
|
|
|
def try_protocol_combo(server_protocol, client_protocol, expect_success,
|
|
certsreqs=None, server_options=0, client_options=0):
|
|
if certsreqs is None:
|
|
certsreqs = ssl.CERT_NONE
|
|
certtype = {
|
|
ssl.CERT_NONE: "CERT_NONE",
|
|
ssl.CERT_OPTIONAL: "CERT_OPTIONAL",
|
|
ssl.CERT_REQUIRED: "CERT_REQUIRED",
|
|
}[certsreqs]
|
|
if support.verbose:
|
|
formatstr = (expect_success and " %s->%s %s\n") or " {%s->%s} %s\n"
|
|
sys.stdout.write(formatstr %
|
|
(ssl.get_protocol_name(client_protocol),
|
|
ssl.get_protocol_name(server_protocol),
|
|
certtype))
|
|
client_context = ssl.SSLContext(client_protocol)
|
|
client_context.options = ssl.OP_ALL | client_options
|
|
server_context = ssl.SSLContext(server_protocol)
|
|
server_context.options = ssl.OP_ALL | server_options
|
|
for ctx in (client_context, server_context):
|
|
ctx.verify_mode = certsreqs
|
|
# NOTE: we must enable "ALL" ciphers, otherwise an SSLv23 client
|
|
# will send an SSLv3 hello (rather than SSLv2) starting from
|
|
# OpenSSL 1.0.0 (see issue #8322).
|
|
ctx.set_ciphers("ALL")
|
|
ctx.load_cert_chain(CERTFILE)
|
|
ctx.load_verify_locations(CERTFILE)
|
|
try:
|
|
server_params_test(client_context, server_context,
|
|
chatty=False, connectionchatty=False)
|
|
# Protocol mismatch can result in either an SSLError, or a
|
|
# "Connection reset by peer" error.
|
|
except ssl.SSLError:
|
|
if expect_success:
|
|
raise
|
|
except socket.error as e:
|
|
if expect_success or e.errno != errno.ECONNRESET:
|
|
raise
|
|
else:
|
|
if not expect_success:
|
|
raise AssertionError(
|
|
"Client protocol %s succeeded with server protocol %s!"
|
|
% (ssl.get_protocol_name(client_protocol),
|
|
ssl.get_protocol_name(server_protocol)))
|
|
|
|
|
|
class ThreadedTests(unittest.TestCase):
|
|
|
|
@skip_if_broken_ubuntu_ssl
|
|
def test_echo(self):
|
|
"""Basic test of an SSL client connecting to a server"""
|
|
if support.verbose:
|
|
sys.stdout.write("\n")
|
|
for protocol in PROTOCOLS:
|
|
context = ssl.SSLContext(protocol)
|
|
context.load_cert_chain(CERTFILE)
|
|
server_params_test(context, context,
|
|
chatty=True, connectionchatty=True)
|
|
|
|
def test_getpeercert(self):
|
|
if support.verbose:
|
|
sys.stdout.write("\n")
|
|
context = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
|
|
context.verify_mode = ssl.CERT_REQUIRED
|
|
context.load_verify_locations(CERTFILE)
|
|
context.load_cert_chain(CERTFILE)
|
|
server = ThreadedEchoServer(context=context, chatty=False)
|
|
flag = threading.Event()
|
|
server.start(flag)
|
|
# wait for it to start
|
|
flag.wait()
|
|
# try to connect
|
|
try:
|
|
s = context.wrap_socket(socket.socket())
|
|
s.connect((HOST, server.port))
|
|
cert = s.getpeercert()
|
|
self.assertTrue(cert, "Can't get peer certificate.")
|
|
cipher = s.cipher()
|
|
if support.verbose:
|
|
sys.stdout.write(pprint.pformat(cert) + '\n')
|
|
sys.stdout.write("Connection cipher is " + str(cipher) + '.\n')
|
|
if 'subject' not in cert:
|
|
self.fail("No subject field in certificate: %s." %
|
|
pprint.pformat(cert))
|
|
if ((('organizationName', 'Python Software Foundation'),)
|
|
not in cert['subject']):
|
|
self.fail(
|
|
"Missing or invalid 'organizationName' field in certificate subject; "
|
|
"should be 'Python Software Foundation'.")
|
|
self.assertIn('notBefore', cert)
|
|
self.assertIn('notAfter', cert)
|
|
before = ssl.cert_time_to_seconds(cert['notBefore'])
|
|
after = ssl.cert_time_to_seconds(cert['notAfter'])
|
|
self.assertLess(before, after)
|
|
s.close()
|
|
finally:
|
|
server.stop()
|
|
server.join()
|
|
|
|
def test_empty_cert(self):
|
|
"""Connecting with an empty cert file"""
|
|
bad_cert_test(os.path.join(os.path.dirname(__file__) or os.curdir,
|
|
"nullcert.pem"))
|
|
def test_malformed_cert(self):
|
|
"""Connecting with a badly formatted certificate (syntax error)"""
|
|
bad_cert_test(os.path.join(os.path.dirname(__file__) or os.curdir,
|
|
"badcert.pem"))
|
|
def test_nonexisting_cert(self):
|
|
"""Connecting with a non-existing cert file"""
|
|
bad_cert_test(os.path.join(os.path.dirname(__file__) or os.curdir,
|
|
"wrongcert.pem"))
|
|
def test_malformed_key(self):
|
|
"""Connecting with a badly formatted key (syntax error)"""
|
|
bad_cert_test(os.path.join(os.path.dirname(__file__) or os.curdir,
|
|
"badkey.pem"))
|
|
|
|
def test_rude_shutdown(self):
|
|
"""A brutal shutdown of an SSL server should raise an IOError
|
|
in the client when attempting handshake.
|
|
"""
|
|
listener_ready = threading.Event()
|
|
listener_gone = threading.Event()
|
|
|
|
s = socket.socket()
|
|
port = support.bind_port(s, HOST)
|
|
|
|
# `listener` runs in a thread. It sits in an accept() until
|
|
# the main thread connects. Then it rudely closes the socket,
|
|
# and sets Event `listener_gone` to let the main thread know
|
|
# the socket is gone.
|
|
def listener():
|
|
s.listen(5)
|
|
listener_ready.set()
|
|
newsock, addr = s.accept()
|
|
newsock.close()
|
|
s.close()
|
|
listener_gone.set()
|
|
|
|
def connector():
|
|
listener_ready.wait()
|
|
with socket.socket() as c:
|
|
c.connect((HOST, port))
|
|
listener_gone.wait()
|
|
try:
|
|
ssl_sock = ssl.wrap_socket(c)
|
|
except IOError:
|
|
pass
|
|
else:
|
|
self.fail('connecting to closed SSL socket should have failed')
|
|
|
|
t = threading.Thread(target=listener)
|
|
t.start()
|
|
try:
|
|
connector()
|
|
finally:
|
|
t.join()
|
|
|
|
@skip_if_broken_ubuntu_ssl
|
|
@unittest.skipUnless(hasattr(ssl, 'PROTOCOL_SSLv2'), "need SSLv2")
|
|
def test_protocol_sslv2(self):
|
|
"""Connecting to an SSLv2 server with various client options"""
|
|
if support.verbose:
|
|
sys.stdout.write("\n")
|
|
try_protocol_combo(ssl.PROTOCOL_SSLv2, ssl.PROTOCOL_SSLv2, True)
|
|
try_protocol_combo(ssl.PROTOCOL_SSLv2, ssl.PROTOCOL_SSLv2, True, ssl.CERT_OPTIONAL)
|
|
try_protocol_combo(ssl.PROTOCOL_SSLv2, ssl.PROTOCOL_SSLv2, True, ssl.CERT_REQUIRED)
|
|
try_protocol_combo(ssl.PROTOCOL_SSLv2, ssl.PROTOCOL_SSLv23, True)
|
|
try_protocol_combo(ssl.PROTOCOL_SSLv2, ssl.PROTOCOL_SSLv3, False)
|
|
try_protocol_combo(ssl.PROTOCOL_SSLv2, ssl.PROTOCOL_TLSv1, False)
|
|
# SSLv23 client with specific SSL options
|
|
if no_sslv2_implies_sslv3_hello():
|
|
# No SSLv2 => client will use an SSLv3 hello on recent OpenSSLs
|
|
try_protocol_combo(ssl.PROTOCOL_SSLv2, ssl.PROTOCOL_SSLv23, False,
|
|
client_options=ssl.OP_NO_SSLv2)
|
|
try_protocol_combo(ssl.PROTOCOL_SSLv2, ssl.PROTOCOL_SSLv23, True,
|
|
client_options=ssl.OP_NO_SSLv3)
|
|
try_protocol_combo(ssl.PROTOCOL_SSLv2, ssl.PROTOCOL_SSLv23, True,
|
|
client_options=ssl.OP_NO_TLSv1)
|
|
|
|
@skip_if_broken_ubuntu_ssl
|
|
def test_protocol_sslv23(self):
|
|
"""Connecting to an SSLv23 server with various client options"""
|
|
if support.verbose:
|
|
sys.stdout.write("\n")
|
|
if hasattr(ssl, 'PROTOCOL_SSLv2'):
|
|
try:
|
|
try_protocol_combo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_SSLv2, True)
|
|
except (ssl.SSLError, socket.error) as x:
|
|
# this fails on some older versions of OpenSSL (0.9.7l, for instance)
|
|
if support.verbose:
|
|
sys.stdout.write(
|
|
" SSL2 client to SSL23 server test unexpectedly failed:\n %s\n"
|
|
% str(x))
|
|
try_protocol_combo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_SSLv3, True)
|
|
try_protocol_combo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_SSLv23, True)
|
|
try_protocol_combo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_TLSv1, True)
|
|
|
|
try_protocol_combo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_SSLv3, True, ssl.CERT_OPTIONAL)
|
|
try_protocol_combo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_SSLv23, True, ssl.CERT_OPTIONAL)
|
|
try_protocol_combo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_TLSv1, True, ssl.CERT_OPTIONAL)
|
|
|
|
try_protocol_combo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_SSLv3, True, ssl.CERT_REQUIRED)
|
|
try_protocol_combo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_SSLv23, True, ssl.CERT_REQUIRED)
|
|
try_protocol_combo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_TLSv1, True, ssl.CERT_REQUIRED)
|
|
|
|
# Server with specific SSL options
|
|
try_protocol_combo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_SSLv3, False,
|
|
server_options=ssl.OP_NO_SSLv3)
|
|
# Will choose TLSv1
|
|
try_protocol_combo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_SSLv23, True,
|
|
server_options=ssl.OP_NO_SSLv2 | ssl.OP_NO_SSLv3)
|
|
try_protocol_combo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_TLSv1, False,
|
|
server_options=ssl.OP_NO_TLSv1)
|
|
|
|
|
|
@skip_if_broken_ubuntu_ssl
|
|
def test_protocol_sslv3(self):
|
|
"""Connecting to an SSLv3 server with various client options"""
|
|
if support.verbose:
|
|
sys.stdout.write("\n")
|
|
try_protocol_combo(ssl.PROTOCOL_SSLv3, ssl.PROTOCOL_SSLv3, True)
|
|
try_protocol_combo(ssl.PROTOCOL_SSLv3, ssl.PROTOCOL_SSLv3, True, ssl.CERT_OPTIONAL)
|
|
try_protocol_combo(ssl.PROTOCOL_SSLv3, ssl.PROTOCOL_SSLv3, True, ssl.CERT_REQUIRED)
|
|
if hasattr(ssl, 'PROTOCOL_SSLv2'):
|
|
try_protocol_combo(ssl.PROTOCOL_SSLv3, ssl.PROTOCOL_SSLv2, False)
|
|
try_protocol_combo(ssl.PROTOCOL_SSLv3, ssl.PROTOCOL_SSLv23, False,
|
|
client_options=ssl.OP_NO_SSLv3)
|
|
try_protocol_combo(ssl.PROTOCOL_SSLv3, ssl.PROTOCOL_TLSv1, False)
|
|
if no_sslv2_implies_sslv3_hello():
|
|
# No SSLv2 => client will use an SSLv3 hello on recent OpenSSLs
|
|
try_protocol_combo(ssl.PROTOCOL_SSLv3, ssl.PROTOCOL_SSLv23, True,
|
|
client_options=ssl.OP_NO_SSLv2)
|
|
|
|
@skip_if_broken_ubuntu_ssl
|
|
def test_protocol_tlsv1(self):
|
|
"""Connecting to a TLSv1 server with various client options"""
|
|
if support.verbose:
|
|
sys.stdout.write("\n")
|
|
try_protocol_combo(ssl.PROTOCOL_TLSv1, ssl.PROTOCOL_TLSv1, True)
|
|
try_protocol_combo(ssl.PROTOCOL_TLSv1, ssl.PROTOCOL_TLSv1, True, ssl.CERT_OPTIONAL)
|
|
try_protocol_combo(ssl.PROTOCOL_TLSv1, ssl.PROTOCOL_TLSv1, True, ssl.CERT_REQUIRED)
|
|
if hasattr(ssl, 'PROTOCOL_SSLv2'):
|
|
try_protocol_combo(ssl.PROTOCOL_TLSv1, ssl.PROTOCOL_SSLv2, False)
|
|
try_protocol_combo(ssl.PROTOCOL_TLSv1, ssl.PROTOCOL_SSLv3, False)
|
|
try_protocol_combo(ssl.PROTOCOL_TLSv1, ssl.PROTOCOL_SSLv23, False,
|
|
client_options=ssl.OP_NO_TLSv1)
|
|
|
|
def test_starttls(self):
|
|
"""Switching from clear text to encrypted and back again."""
|
|
msgs = (b"msg 1", b"MSG 2", b"STARTTLS", b"MSG 3", b"msg 4", b"ENDTLS", b"msg 5", b"msg 6")
|
|
|
|
server = ThreadedEchoServer(CERTFILE,
|
|
ssl_version=ssl.PROTOCOL_TLSv1,
|
|
starttls_server=True,
|
|
chatty=True,
|
|
connectionchatty=True)
|
|
flag = threading.Event()
|
|
server.start(flag)
|
|
# wait for it to start
|
|
flag.wait()
|
|
# try to connect
|
|
wrapped = False
|
|
try:
|
|
s = socket.socket()
|
|
s.setblocking(1)
|
|
s.connect((HOST, server.port))
|
|
if support.verbose:
|
|
sys.stdout.write("\n")
|
|
for indata in msgs:
|
|
if support.verbose:
|
|
sys.stdout.write(
|
|
" client: sending %r...\n" % indata)
|
|
if wrapped:
|
|
conn.write(indata)
|
|
outdata = conn.read()
|
|
else:
|
|
s.send(indata)
|
|
outdata = s.recv(1024)
|
|
msg = outdata.strip().lower()
|
|
if indata == b"STARTTLS" and msg.startswith(b"ok"):
|
|
# STARTTLS ok, switch to secure mode
|
|
if support.verbose:
|
|
sys.stdout.write(
|
|
" client: read %r from server, starting TLS...\n"
|
|
% msg)
|
|
conn = ssl.wrap_socket(s, ssl_version=ssl.PROTOCOL_TLSv1)
|
|
wrapped = True
|
|
elif indata == b"ENDTLS" and msg.startswith(b"ok"):
|
|
# ENDTLS ok, switch back to clear text
|
|
if support.verbose:
|
|
sys.stdout.write(
|
|
" client: read %r from server, ending TLS...\n"
|
|
% msg)
|
|
s = conn.unwrap()
|
|
wrapped = False
|
|
else:
|
|
if support.verbose:
|
|
sys.stdout.write(
|
|
" client: read %r from server\n" % msg)
|
|
if support.verbose:
|
|
sys.stdout.write(" client: closing connection.\n")
|
|
if wrapped:
|
|
conn.write(b"over\n")
|
|
else:
|
|
s.send(b"over\n")
|
|
if wrapped:
|
|
conn.close()
|
|
else:
|
|
s.close()
|
|
finally:
|
|
server.stop()
|
|
server.join()
|
|
|
|
def test_socketserver(self):
|
|
"""Using a SocketServer to create and manage SSL connections."""
|
|
server = make_https_server(self, CERTFILE)
|
|
# try to connect
|
|
if support.verbose:
|
|
sys.stdout.write('\n')
|
|
with open(CERTFILE, 'rb') as f:
|
|
d1 = f.read()
|
|
d2 = ''
|
|
# now fetch the same data from the HTTPS server
|
|
url = 'https://%s:%d/%s' % (
|
|
HOST, server.port, os.path.split(CERTFILE)[1])
|
|
f = urllib.request.urlopen(url)
|
|
try:
|
|
dlen = f.info().get("content-length")
|
|
if dlen and (int(dlen) > 0):
|
|
d2 = f.read(int(dlen))
|
|
if support.verbose:
|
|
sys.stdout.write(
|
|
" client: read %d bytes from remote server '%s'\n"
|
|
% (len(d2), server))
|
|
finally:
|
|
f.close()
|
|
self.assertEqual(d1, d2)
|
|
|
|
def test_asyncore_server(self):
|
|
"""Check the example asyncore integration."""
|
|
indata = "TEST MESSAGE of mixed case\n"
|
|
|
|
if support.verbose:
|
|
sys.stdout.write("\n")
|
|
|
|
indata = b"FOO\n"
|
|
server = AsyncoreEchoServer(CERTFILE)
|
|
flag = threading.Event()
|
|
server.start(flag)
|
|
# wait for it to start
|
|
flag.wait()
|
|
# try to connect
|
|
try:
|
|
s = ssl.wrap_socket(socket.socket())
|
|
s.connect(('127.0.0.1', server.port))
|
|
if support.verbose:
|
|
sys.stdout.write(
|
|
" client: sending %r...\n" % indata)
|
|
s.write(indata)
|
|
outdata = s.read()
|
|
if support.verbose:
|
|
sys.stdout.write(" client: read %r\n" % outdata)
|
|
if outdata != indata.lower():
|
|
self.fail(
|
|
"bad data <<%r>> (%d) received; expected <<%r>> (%d)\n"
|
|
% (outdata[:20], len(outdata),
|
|
indata[:20].lower(), len(indata)))
|
|
s.write(b"over\n")
|
|
if support.verbose:
|
|
sys.stdout.write(" client: closing connection.\n")
|
|
s.close()
|
|
if support.verbose:
|
|
sys.stdout.write(" client: connection closed.\n")
|
|
finally:
|
|
if support.verbose:
|
|
sys.stdout.write(" cleanup: stopping server.\n")
|
|
server.stop()
|
|
if support.verbose:
|
|
sys.stdout.write(" cleanup: joining server thread.\n")
|
|
server.join()
|
|
if support.verbose:
|
|
sys.stdout.write(" cleanup: successfully joined.\n")
|
|
|
|
def test_recv_send(self):
|
|
"""Test recv(), send() and friends."""
|
|
if support.verbose:
|
|
sys.stdout.write("\n")
|
|
|
|
server = ThreadedEchoServer(CERTFILE,
|
|
certreqs=ssl.CERT_NONE,
|
|
ssl_version=ssl.PROTOCOL_TLSv1,
|
|
cacerts=CERTFILE,
|
|
chatty=True,
|
|
connectionchatty=False)
|
|
flag = threading.Event()
|
|
server.start(flag)
|
|
# wait for it to start
|
|
flag.wait()
|
|
# try to connect
|
|
s = ssl.wrap_socket(socket.socket(),
|
|
server_side=False,
|
|
certfile=CERTFILE,
|
|
ca_certs=CERTFILE,
|
|
cert_reqs=ssl.CERT_NONE,
|
|
ssl_version=ssl.PROTOCOL_TLSv1)
|
|
s.connect((HOST, server.port))
|
|
try:
|
|
# helper methods for standardising recv* method signatures
|
|
def _recv_into():
|
|
b = bytearray(b"\0"*100)
|
|
count = s.recv_into(b)
|
|
return b[:count]
|
|
|
|
def _recvfrom_into():
|
|
b = bytearray(b"\0"*100)
|
|
count, addr = s.recvfrom_into(b)
|
|
return b[:count]
|
|
|
|
# (name, method, whether to expect success, *args)
|
|
send_methods = [
|
|
('send', s.send, True, []),
|
|
('sendto', s.sendto, False, ["some.address"]),
|
|
('sendall', s.sendall, True, []),
|
|
]
|
|
recv_methods = [
|
|
('recv', s.recv, True, []),
|
|
('recvfrom', s.recvfrom, False, ["some.address"]),
|
|
('recv_into', _recv_into, True, []),
|
|
('recvfrom_into', _recvfrom_into, False, []),
|
|
]
|
|
data_prefix = "PREFIX_"
|
|
|
|
for meth_name, send_meth, expect_success, args in send_methods:
|
|
indata = (data_prefix + meth_name).encode('ascii')
|
|
try:
|
|
send_meth(indata, *args)
|
|
outdata = s.read()
|
|
if outdata != indata.lower():
|
|
self.fail(
|
|
"While sending with <<{name:s}>> bad data "
|
|
"<<{outdata:r}>> ({nout:d}) received; "
|
|
"expected <<{indata:r}>> ({nin:d})\n".format(
|
|
name=meth_name, outdata=outdata[:20],
|
|
nout=len(outdata),
|
|
indata=indata[:20], nin=len(indata)
|
|
)
|
|
)
|
|
except ValueError as e:
|
|
if expect_success:
|
|
self.fail(
|
|
"Failed to send with method <<{name:s}>>; "
|
|
"expected to succeed.\n".format(name=meth_name)
|
|
)
|
|
if not str(e).startswith(meth_name):
|
|
self.fail(
|
|
"Method <<{name:s}>> failed with unexpected "
|
|
"exception message: {exp:s}\n".format(
|
|
name=meth_name, exp=e
|
|
)
|
|
)
|
|
|
|
for meth_name, recv_meth, expect_success, args in recv_methods:
|
|
indata = (data_prefix + meth_name).encode('ascii')
|
|
try:
|
|
s.send(indata)
|
|
outdata = recv_meth(*args)
|
|
if outdata != indata.lower():
|
|
self.fail(
|
|
"While receiving with <<{name:s}>> bad data "
|
|
"<<{outdata:r}>> ({nout:d}) received; "
|
|
"expected <<{indata:r}>> ({nin:d})\n".format(
|
|
name=meth_name, outdata=outdata[:20],
|
|
nout=len(outdata),
|
|
indata=indata[:20], nin=len(indata)
|
|
)
|
|
)
|
|
except ValueError as e:
|
|
if expect_success:
|
|
self.fail(
|
|
"Failed to receive with method <<{name:s}>>; "
|
|
"expected to succeed.\n".format(name=meth_name)
|
|
)
|
|
if not str(e).startswith(meth_name):
|
|
self.fail(
|
|
"Method <<{name:s}>> failed with unexpected "
|
|
"exception message: {exp:s}\n".format(
|
|
name=meth_name, exp=e
|
|
)
|
|
)
|
|
# consume data
|
|
s.read()
|
|
|
|
s.write(b"over\n")
|
|
s.close()
|
|
finally:
|
|
server.stop()
|
|
server.join()
|
|
|
|
def test_handshake_timeout(self):
|
|
# Issue #5103: SSL handshake must respect the socket timeout
|
|
server = socket.socket(socket.AF_INET)
|
|
host = "127.0.0.1"
|
|
port = support.bind_port(server)
|
|
started = threading.Event()
|
|
finish = False
|
|
|
|
def serve():
|
|
server.listen(5)
|
|
started.set()
|
|
conns = []
|
|
while not finish:
|
|
r, w, e = select.select([server], [], [], 0.1)
|
|
if server in r:
|
|
# Let the socket hang around rather than having
|
|
# it closed by garbage collection.
|
|
conns.append(server.accept()[0])
|
|
for sock in conns:
|
|
sock.close()
|
|
|
|
t = threading.Thread(target=serve)
|
|
t.start()
|
|
started.wait()
|
|
|
|
try:
|
|
try:
|
|
c = socket.socket(socket.AF_INET)
|
|
c.settimeout(0.2)
|
|
c.connect((host, port))
|
|
# Will attempt handshake and time out
|
|
self.assertRaisesRegex(socket.timeout, "timed out",
|
|
ssl.wrap_socket, c)
|
|
finally:
|
|
c.close()
|
|
try:
|
|
c = socket.socket(socket.AF_INET)
|
|
c = ssl.wrap_socket(c)
|
|
c.settimeout(0.2)
|
|
# Will attempt handshake and time out
|
|
self.assertRaisesRegex(socket.timeout, "timed out",
|
|
c.connect, (host, port))
|
|
finally:
|
|
c.close()
|
|
finally:
|
|
finish = True
|
|
t.join()
|
|
server.close()
|
|
|
|
|
|
def test_main(verbose=False):
|
|
if support.verbose:
|
|
plats = {
|
|
'Linux': platform.linux_distribution,
|
|
'Mac': platform.mac_ver,
|
|
'Windows': platform.win32_ver,
|
|
}
|
|
for name, func in plats.items():
|
|
plat = func()
|
|
if plat and plat[0]:
|
|
plat = '%s %r' % (name, plat)
|
|
break
|
|
else:
|
|
plat = repr(platform.platform())
|
|
print("test_ssl: testing with %r %r" %
|
|
(ssl.OPENSSL_VERSION, ssl.OPENSSL_VERSION_INFO))
|
|
print(" under %s" % plat)
|
|
print(" HAS_SNI = %r" % ssl.HAS_SNI)
|
|
|
|
for filename in [
|
|
CERTFILE, SVN_PYTHON_ORG_ROOT_CERT, BYTES_CERTFILE,
|
|
ONLYCERT, ONLYKEY, BYTES_ONLYCERT, BYTES_ONLYKEY,
|
|
BADCERT, BADKEY, EMPTYCERT]:
|
|
if not os.path.exists(filename):
|
|
raise support.TestFailed("Can't read certificate file %r" % filename)
|
|
|
|
tests = [ContextTests, BasicSocketTests]
|
|
|
|
if support.is_resource_enabled('network'):
|
|
tests.append(NetworkedTests)
|
|
|
|
if _have_threads:
|
|
thread_info = support.threading_setup()
|
|
if thread_info and support.is_resource_enabled('network'):
|
|
tests.append(ThreadedTests)
|
|
|
|
try:
|
|
support.run_unittest(*tests)
|
|
finally:
|
|
if _have_threads:
|
|
support.threading_cleanup(*thread_info)
|
|
|
|
if __name__ == "__main__":
|
|
test_main()
|