| # Test the support for SSL and sockets |
| |
| import sys |
| import unittest |
| from test import support |
| import socket |
| import select |
| import time |
| import datetime |
| import gc |
| import os |
| import errno |
| import pprint |
| import tempfile |
| import urllib.request |
| import traceback |
| import asyncore |
| import weakref |
| import platform |
| import functools |
| |
| ssl = support.import_module("ssl") |
| |
| PROTOCOLS = sorted(ssl._PROTOCOL_NAMES) |
| HOST = support.HOST |
| |
| def data_file(*name): |
| return os.path.join(os.path.dirname(__file__), *name) |
| |
| # The custom key and certificate files used in test_ssl are generated |
| # using Lib/test/make_ssl_certs.py. |
| # Other certificates are simply fetched from the Internet servers they |
| # are meant to authenticate. |
| |
| CERTFILE = data_file("keycert.pem") |
| BYTES_CERTFILE = os.fsencode(CERTFILE) |
| ONLYCERT = data_file("ssl_cert.pem") |
| ONLYKEY = data_file("ssl_key.pem") |
| BYTES_ONLYCERT = os.fsencode(ONLYCERT) |
| BYTES_ONLYKEY = os.fsencode(ONLYKEY) |
| CERTFILE_PROTECTED = data_file("keycert.passwd.pem") |
| ONLYKEY_PROTECTED = data_file("ssl_key.passwd.pem") |
| KEY_PASSWORD = "somepass" |
| CAPATH = data_file("capath") |
| BYTES_CAPATH = os.fsencode(CAPATH) |
| CAFILE_NEURONIO = data_file("capath", "4e1295a3.0") |
| CAFILE_CACERT = data_file("capath", "5ed36f99.0") |
| |
| |
| # empty CRL |
| CRLFILE = data_file("revocation.crl") |
| |
| # Two keys and certs signed by the same CA (for SNI tests) |
| SIGNED_CERTFILE = data_file("keycert3.pem") |
| SIGNED_CERTFILE2 = data_file("keycert4.pem") |
| SIGNING_CA = data_file("pycacert.pem") |
| |
| REMOTE_HOST = "self-signed.pythontest.net" |
| REMOTE_ROOT_CERT = data_file("selfsigned_pythontestdotnet.pem") |
| |
| EMPTYCERT = data_file("nullcert.pem") |
| BADCERT = data_file("badcert.pem") |
| NONEXISTINGCERT = data_file("XXXnonexisting.pem") |
| BADKEY = data_file("badkey.pem") |
| NOKIACERT = data_file("nokia.pem") |
| NULLBYTECERT = data_file("nullbytecert.pem") |
| |
| DHFILE = data_file("dh1024.pem") |
| BYTES_DHFILE = os.fsencode(DHFILE) |
| |
| |
| def handle_error(prefix): |
| exc_format = ' '.join(traceback.format_exception(*sys.exc_info())) |
| if support.verbose: |
| sys.stdout.write(prefix + exc_format) |
| |
| def can_clear_options(): |
| # 0.9.8m or higher |
| return ssl._OPENSSL_API_VERSION >= (0, 9, 8, 13, 15) |
| |
| def no_sslv2_implies_sslv3_hello(): |
| # 0.9.7h or higher |
| return ssl.OPENSSL_VERSION_INFO >= (0, 9, 7, 8, 15) |
| |
| def have_verify_flags(): |
| # 0.9.8 or higher |
| return ssl.OPENSSL_VERSION_INFO >= (0, 9, 8, 0, 15) |
| |
| def utc_offset(): #NOTE: ignore issues like #1647654 |
| # local time = utc time + utc offset |
| if time.daylight and time.localtime().tm_isdst > 0: |
| return -time.altzone # seconds |
| return -time.timezone |
| |
| def asn1time(cert_time): |
| # Some versions of OpenSSL ignore seconds, see #18207 |
| # 0.9.8.i |
| if ssl._OPENSSL_API_VERSION == (0, 9, 8, 9, 15): |
| fmt = "%b %d %H:%M:%S %Y GMT" |
| dt = datetime.datetime.strptime(cert_time, fmt) |
| dt = dt.replace(second=0) |
| cert_time = dt.strftime(fmt) |
| # %d adds leading zero but ASN1_TIME_print() uses leading space |
| if cert_time[4] == "0": |
| cert_time = cert_time[:4] + " " + cert_time[5:] |
| |
| return cert_time |
| |
| # Issue #9415: Ubuntu hijacks their OpenSSL and forcefully disables SSLv2 |
| def skip_if_broken_ubuntu_ssl(func): |
| if hasattr(ssl, 'PROTOCOL_SSLv2'): |
| @functools.wraps(func) |
| def f(*args, **kwargs): |
| try: |
| ssl.SSLContext(ssl.PROTOCOL_SSLv2) |
| except ssl.SSLError: |
| if (ssl.OPENSSL_VERSION_INFO == (0, 9, 8, 15, 15) and |
| platform.linux_distribution() == ('debian', 'squeeze/sid', '')): |
| raise unittest.SkipTest("Patched Ubuntu OpenSSL breaks behaviour") |
| return func(*args, **kwargs) |
| return f |
| else: |
| return func |
| |
| needs_sni = unittest.skipUnless(ssl.HAS_SNI, "SNI support needed for this test") |
| |
| |
| class BasicSocketTests(unittest.TestCase): |
| |
| def test_constants(self): |
| ssl.CERT_NONE |
| ssl.CERT_OPTIONAL |
| ssl.CERT_REQUIRED |
| ssl.OP_CIPHER_SERVER_PREFERENCE |
| ssl.OP_SINGLE_DH_USE |
| if ssl.HAS_ECDH: |
| ssl.OP_SINGLE_ECDH_USE |
| if ssl.OPENSSL_VERSION_INFO >= (1, 0): |
| ssl.OP_NO_COMPRESSION |
| self.assertIn(ssl.HAS_SNI, {True, False}) |
| self.assertIn(ssl.HAS_ECDH, {True, False}) |
| |
| def test_str_for_enums(self): |
| # Make sure that the PROTOCOL_* constants have enum-like string |
| # reprs. |
| proto = ssl.PROTOCOL_SSLv23 |
| self.assertEqual(str(proto), '_SSLMethod.PROTOCOL_SSLv23') |
| ctx = ssl.SSLContext(proto) |
| self.assertIs(ctx.protocol, proto) |
| |
| def test_random(self): |
| v = ssl.RAND_status() |
| if support.verbose: |
| sys.stdout.write("\n RAND_status is %d (%s)\n" |
| % (v, (v and "sufficient randomness") or |
| "insufficient randomness")) |
| |
| data, is_cryptographic = ssl.RAND_pseudo_bytes(16) |
| self.assertEqual(len(data), 16) |
| self.assertEqual(is_cryptographic, v == 1) |
| if v: |
| data = ssl.RAND_bytes(16) |
| self.assertEqual(len(data), 16) |
| else: |
| self.assertRaises(ssl.SSLError, ssl.RAND_bytes, 16) |
| |
| # negative num is invalid |
| self.assertRaises(ValueError, ssl.RAND_bytes, -5) |
| self.assertRaises(ValueError, ssl.RAND_pseudo_bytes, -5) |
| |
| if hasattr(ssl, 'RAND_egd'): |
| self.assertRaises(TypeError, ssl.RAND_egd, 1) |
| self.assertRaises(TypeError, ssl.RAND_egd, 'foo', 1) |
| ssl.RAND_add("this is a random string", 75.0) |
| ssl.RAND_add(b"this is a random bytes object", 75.0) |
| ssl.RAND_add(bytearray(b"this is a random bytearray object"), 75.0) |
| |
| @unittest.skipUnless(os.name == 'posix', 'requires posix') |
| def test_random_fork(self): |
| status = ssl.RAND_status() |
| if not status: |
| self.fail("OpenSSL's PRNG has insufficient randomness") |
| |
| rfd, wfd = os.pipe() |
| pid = os.fork() |
| if pid == 0: |
| try: |
| os.close(rfd) |
| child_random = ssl.RAND_pseudo_bytes(16)[0] |
| self.assertEqual(len(child_random), 16) |
| os.write(wfd, child_random) |
| os.close(wfd) |
| except BaseException: |
| os._exit(1) |
| else: |
| os._exit(0) |
| else: |
| os.close(wfd) |
| self.addCleanup(os.close, rfd) |
| _, status = os.waitpid(pid, 0) |
| self.assertEqual(status, 0) |
| |
| child_random = os.read(rfd, 16) |
| self.assertEqual(len(child_random), 16) |
| parent_random = ssl.RAND_pseudo_bytes(16)[0] |
| self.assertEqual(len(parent_random), 16) |
| |
| self.assertNotEqual(child_random, parent_random) |
| |
| def test_parse_cert(self): |
| # note that this uses an 'unofficial' function in _ssl.c, |
| # provided solely for this test, to exercise the certificate |
| # parsing code |
| p = ssl._ssl._test_decode_cert(CERTFILE) |
| if support.verbose: |
| sys.stdout.write("\n" + pprint.pformat(p) + "\n") |
| self.assertEqual(p['issuer'], |
| ((('countryName', 'XY'),), |
| (('localityName', 'Castle Anthrax'),), |
| (('organizationName', 'Python Software Foundation'),), |
| (('commonName', 'localhost'),)) |
| ) |
| # Note the next three asserts will fail if the keys are regenerated |
| self.assertEqual(p['notAfter'], asn1time('Oct 5 23:01:56 2020 GMT')) |
| self.assertEqual(p['notBefore'], asn1time('Oct 8 23:01:56 2010 GMT')) |
| self.assertEqual(p['serialNumber'], 'D7C7381919AFC24E') |
| self.assertEqual(p['subject'], |
| ((('countryName', 'XY'),), |
| (('localityName', 'Castle Anthrax'),), |
| (('organizationName', 'Python Software Foundation'),), |
| (('commonName', 'localhost'),)) |
| ) |
| self.assertEqual(p['subjectAltName'], (('DNS', 'localhost'),)) |
| # Issue #13034: the subjectAltName in some certificates |
| # (notably projects.developer.nokia.com:443) wasn't parsed |
| p = ssl._ssl._test_decode_cert(NOKIACERT) |
| if support.verbose: |
| sys.stdout.write("\n" + pprint.pformat(p) + "\n") |
| self.assertEqual(p['subjectAltName'], |
| (('DNS', 'projects.developer.nokia.com'), |
| ('DNS', 'projects.forum.nokia.com')) |
| ) |
| # extra OCSP and AIA fields |
| self.assertEqual(p['OCSP'], ('http://ocsp.verisign.com',)) |
| self.assertEqual(p['caIssuers'], |
| ('http://SVRIntl-G3-aia.verisign.com/SVRIntlG3.cer',)) |
| self.assertEqual(p['crlDistributionPoints'], |
| ('http://SVRIntl-G3-crl.verisign.com/SVRIntlG3.crl',)) |
| |
| def test_parse_cert_CVE_2013_4238(self): |
| p = ssl._ssl._test_decode_cert(NULLBYTECERT) |
| if support.verbose: |
| sys.stdout.write("\n" + pprint.pformat(p) + "\n") |
| subject = ((('countryName', 'US'),), |
| (('stateOrProvinceName', 'Oregon'),), |
| (('localityName', 'Beaverton'),), |
| (('organizationName', 'Python Software Foundation'),), |
| (('organizationalUnitName', 'Python Core Development'),), |
| (('commonName', 'null.python.org\x00example.org'),), |
| (('emailAddress', 'python-dev@python.org'),)) |
| self.assertEqual(p['subject'], subject) |
| self.assertEqual(p['issuer'], subject) |
| if ssl._OPENSSL_API_VERSION >= (0, 9, 8): |
| san = (('DNS', 'altnull.python.org\x00example.com'), |
| ('email', 'null@python.org\x00user@example.org'), |
| ('URI', 'http://null.python.org\x00http://example.org'), |
| ('IP Address', '192.0.2.1'), |
| ('IP Address', '2001:DB8:0:0:0:0:0:1\n')) |
| else: |
| # OpenSSL 0.9.7 doesn't support IPv6 addresses in subjectAltName |
| san = (('DNS', 'altnull.python.org\x00example.com'), |
| ('email', 'null@python.org\x00user@example.org'), |
| ('URI', 'http://null.python.org\x00http://example.org'), |
| ('IP Address', '192.0.2.1'), |
| ('IP Address', '<invalid>')) |
| |
| self.assertEqual(p['subjectAltName'], san) |
| |
| def test_DER_to_PEM(self): |
| with open(CAFILE_CACERT, 'r') as f: |
| pem = f.read() |
| d1 = ssl.PEM_cert_to_DER_cert(pem) |
| p2 = ssl.DER_cert_to_PEM_cert(d1) |
| d2 = ssl.PEM_cert_to_DER_cert(p2) |
| self.assertEqual(d1, d2) |
| if not p2.startswith(ssl.PEM_HEADER + '\n'): |
| self.fail("DER-to-PEM didn't include correct header:\n%r\n" % p2) |
| if not p2.endswith('\n' + ssl.PEM_FOOTER + '\n'): |
| self.fail("DER-to-PEM didn't include correct footer:\n%r\n" % p2) |
| |
| def test_openssl_version(self): |
| n = ssl.OPENSSL_VERSION_NUMBER |
| t = ssl.OPENSSL_VERSION_INFO |
| s = ssl.OPENSSL_VERSION |
| self.assertIsInstance(n, int) |
| self.assertIsInstance(t, tuple) |
| self.assertIsInstance(s, str) |
| # Some sanity checks follow |
| # >= 0.9 |
| self.assertGreaterEqual(n, 0x900000) |
| # < 3.0 |
| self.assertLess(n, 0x30000000) |
| major, minor, fix, patch, status = t |
| self.assertGreaterEqual(major, 0) |
| self.assertLess(major, 3) |
| self.assertGreaterEqual(minor, 0) |
| self.assertLess(minor, 256) |
| self.assertGreaterEqual(fix, 0) |
| self.assertLess(fix, 256) |
| self.assertGreaterEqual(patch, 0) |
| self.assertLessEqual(patch, 63) |
| self.assertGreaterEqual(status, 0) |
| self.assertLessEqual(status, 15) |
| # Version string as returned by {Open,Libre}SSL, the format might change |
| if "LibreSSL" in s: |
| self.assertTrue(s.startswith("LibreSSL {:d}.{:d}".format(major, minor)), |
| (s, t, hex(n))) |
| else: |
| self.assertTrue(s.startswith("OpenSSL {:d}.{:d}.{:d}".format(major, minor, fix)), |
| (s, t, hex(n))) |
| |
| @support.cpython_only |
| def test_refcycle(self): |
| # Issue #7943: an SSL object doesn't create reference cycles with |
| # itself. |
| s = socket.socket(socket.AF_INET) |
| ss = ssl.wrap_socket(s) |
| wr = weakref.ref(ss) |
| with support.check_warnings(("", ResourceWarning)): |
| del ss |
| self.assertEqual(wr(), None) |
| |
| def test_wrapped_unconnected(self): |
| # Methods on an unconnected SSLSocket propagate the original |
| # OSError raise by the underlying socket object. |
| s = socket.socket(socket.AF_INET) |
| with ssl.wrap_socket(s) as ss: |
| self.assertRaises(OSError, ss.recv, 1) |
| self.assertRaises(OSError, ss.recv_into, bytearray(b'x')) |
| self.assertRaises(OSError, ss.recvfrom, 1) |
| self.assertRaises(OSError, ss.recvfrom_into, bytearray(b'x'), 1) |
| self.assertRaises(OSError, ss.send, b'x') |
| self.assertRaises(OSError, ss.sendto, b'x', ('0.0.0.0', 0)) |
| |
| def test_timeout(self): |
| # Issue #8524: when creating an SSL socket, the timeout of the |
| # original socket should be retained. |
| for timeout in (None, 0.0, 5.0): |
| s = socket.socket(socket.AF_INET) |
| s.settimeout(timeout) |
| with ssl.wrap_socket(s) as ss: |
| self.assertEqual(timeout, ss.gettimeout()) |
| |
| def test_errors(self): |
| sock = socket.socket() |
| self.assertRaisesRegex(ValueError, |
| "certfile must be specified", |
| ssl.wrap_socket, sock, keyfile=CERTFILE) |
| self.assertRaisesRegex(ValueError, |
| "certfile must be specified for server-side operations", |
| ssl.wrap_socket, sock, server_side=True) |
| self.assertRaisesRegex(ValueError, |
| "certfile must be specified for server-side operations", |
| ssl.wrap_socket, sock, server_side=True, certfile="") |
| with ssl.wrap_socket(sock, server_side=True, certfile=CERTFILE) as s: |
| self.assertRaisesRegex(ValueError, "can't connect in server-side mode", |
| s.connect, (HOST, 8080)) |
| with self.assertRaises(OSError) as cm: |
| with socket.socket() as sock: |
| ssl.wrap_socket(sock, certfile=NONEXISTINGCERT) |
| self.assertEqual(cm.exception.errno, errno.ENOENT) |
| with self.assertRaises(OSError) as cm: |
| with socket.socket() as sock: |
| ssl.wrap_socket(sock, |
| certfile=CERTFILE, keyfile=NONEXISTINGCERT) |
| self.assertEqual(cm.exception.errno, errno.ENOENT) |
| with self.assertRaises(OSError) as cm: |
| with socket.socket() as sock: |
| ssl.wrap_socket(sock, |
| certfile=NONEXISTINGCERT, keyfile=NONEXISTINGCERT) |
| self.assertEqual(cm.exception.errno, errno.ENOENT) |
| |
| def bad_cert_test(self, certfile): |
| """Check that trying to use the given client certificate fails""" |
| certfile = os.path.join(os.path.dirname(__file__) or os.curdir, |
| certfile) |
| sock = socket.socket() |
| self.addCleanup(sock.close) |
| with self.assertRaises(ssl.SSLError): |
| ssl.wrap_socket(sock, |
| certfile=certfile, |
| ssl_version=ssl.PROTOCOL_TLSv1) |
| |
| def test_empty_cert(self): |
| """Wrapping with an empty cert file""" |
| self.bad_cert_test("nullcert.pem") |
| |
| def test_malformed_cert(self): |
| """Wrapping with a badly formatted certificate (syntax error)""" |
| self.bad_cert_test("badcert.pem") |
| |
| def test_malformed_key(self): |
| """Wrapping with a badly formatted key (syntax error)""" |
| self.bad_cert_test("badkey.pem") |
| |
| def test_match_hostname(self): |
| def ok(cert, hostname): |
| ssl.match_hostname(cert, hostname) |
| def fail(cert, hostname): |
| self.assertRaises(ssl.CertificateError, |
| ssl.match_hostname, cert, hostname) |
| |
| # -- Hostname matching -- |
| |
| cert = {'subject': ((('commonName', 'example.com'),),)} |
| ok(cert, 'example.com') |
| ok(cert, 'ExAmple.cOm') |
| fail(cert, 'www.example.com') |
| fail(cert, '.example.com') |
| fail(cert, 'example.org') |
| fail(cert, 'exampleXcom') |
| |
| cert = {'subject': ((('commonName', '*.a.com'),),)} |
| ok(cert, 'foo.a.com') |
| fail(cert, 'bar.foo.a.com') |
| fail(cert, 'a.com') |
| fail(cert, 'Xa.com') |
| fail(cert, '.a.com') |
| |
| # only match one left-most wildcard |
| cert = {'subject': ((('commonName', 'f*.com'),),)} |
| ok(cert, 'foo.com') |
| ok(cert, 'f.com') |
| fail(cert, 'bar.com') |
| fail(cert, 'foo.a.com') |
| fail(cert, 'bar.foo.com') |
| |
| # NULL bytes are bad, CVE-2013-4073 |
| cert = {'subject': ((('commonName', |
| 'null.python.org\x00example.org'),),)} |
| ok(cert, 'null.python.org\x00example.org') # or raise an error? |
| fail(cert, 'example.org') |
| fail(cert, 'null.python.org') |
| |
| # error cases with wildcards |
| cert = {'subject': ((('commonName', '*.*.a.com'),),)} |
| fail(cert, 'bar.foo.a.com') |
| fail(cert, 'a.com') |
| fail(cert, 'Xa.com') |
| fail(cert, '.a.com') |
| |
| cert = {'subject': ((('commonName', 'a.*.com'),),)} |
| fail(cert, 'a.foo.com') |
| fail(cert, 'a..com') |
| fail(cert, 'a.com') |
| |
| # wildcard doesn't match IDNA prefix 'xn--' |
| idna = 'püthon.python.org'.encode("idna").decode("ascii") |
| cert = {'subject': ((('commonName', idna),),)} |
| ok(cert, idna) |
| cert = {'subject': ((('commonName', 'x*.python.org'),),)} |
| fail(cert, idna) |
| cert = {'subject': ((('commonName', 'xn--p*.python.org'),),)} |
| fail(cert, idna) |
| |
| # wildcard in first fragment and IDNA A-labels in sequent fragments |
| # are supported. |
| idna = 'www*.pythön.org'.encode("idna").decode("ascii") |
| cert = {'subject': ((('commonName', idna),),)} |
| ok(cert, 'www.pythön.org'.encode("idna").decode("ascii")) |
| ok(cert, 'www1.pythön.org'.encode("idna").decode("ascii")) |
| fail(cert, 'ftp.pythön.org'.encode("idna").decode("ascii")) |
| fail(cert, 'pythön.org'.encode("idna").decode("ascii")) |
| |
| # Slightly fake real-world example |
| cert = {'notAfter': 'Jun 26 21:41:46 2011 GMT', |
| 'subject': ((('commonName', 'linuxfrz.org'),),), |
| 'subjectAltName': (('DNS', 'linuxfr.org'), |
| ('DNS', 'linuxfr.com'), |
| ('othername', '<unsupported>'))} |
| ok(cert, 'linuxfr.org') |
| ok(cert, 'linuxfr.com') |
| # Not a "DNS" entry |
| fail(cert, '<unsupported>') |
| # When there is a subjectAltName, commonName isn't used |
| fail(cert, 'linuxfrz.org') |
| |
| # A pristine real-world example |
| cert = {'notAfter': 'Dec 18 23:59:59 2011 GMT', |
| 'subject': ((('countryName', 'US'),), |
| (('stateOrProvinceName', 'California'),), |
| (('localityName', 'Mountain View'),), |
| (('organizationName', 'Google Inc'),), |
| (('commonName', 'mail.google.com'),))} |
| ok(cert, 'mail.google.com') |
| fail(cert, 'gmail.com') |
| # Only commonName is considered |
| fail(cert, 'California') |
| |
| # -- IPv4 matching -- |
| cert = {'subject': ((('commonName', 'example.com'),),), |
| 'subjectAltName': (('DNS', 'example.com'), |
| ('IP Address', '10.11.12.13'), |
| ('IP Address', '14.15.16.17'))} |
| ok(cert, '10.11.12.13') |
| ok(cert, '14.15.16.17') |
| fail(cert, '14.15.16.18') |
| fail(cert, 'example.net') |
| |
| # -- IPv6 matching -- |
| cert = {'subject': ((('commonName', 'example.com'),),), |
| 'subjectAltName': (('DNS', 'example.com'), |
| ('IP Address', '2001:0:0:0:0:0:0:CAFE\n'), |
| ('IP Address', '2003:0:0:0:0:0:0:BABA\n'))} |
| ok(cert, '2001::cafe') |
| ok(cert, '2003::baba') |
| fail(cert, '2003::bebe') |
| fail(cert, 'example.net') |
| |
| # -- Miscellaneous -- |
| |
| # Neither commonName nor subjectAltName |
| cert = {'notAfter': 'Dec 18 23:59:59 2011 GMT', |
| 'subject': ((('countryName', 'US'),), |
| (('stateOrProvinceName', 'California'),), |
| (('localityName', 'Mountain View'),), |
| (('organizationName', 'Google Inc'),))} |
| fail(cert, 'mail.google.com') |
| |
| # No DNS entry in subjectAltName but a commonName |
| cert = {'notAfter': 'Dec 18 23:59:59 2099 GMT', |
| 'subject': ((('countryName', 'US'),), |
| (('stateOrProvinceName', 'California'),), |
| (('localityName', 'Mountain View'),), |
| (('commonName', 'mail.google.com'),)), |
| 'subjectAltName': (('othername', 'blabla'), )} |
| ok(cert, 'mail.google.com') |
| |
| # No DNS entry subjectAltName and no commonName |
| cert = {'notAfter': 'Dec 18 23:59:59 2099 GMT', |
| 'subject': ((('countryName', 'US'),), |
| (('stateOrProvinceName', 'California'),), |
| (('localityName', 'Mountain View'),), |
| (('organizationName', 'Google Inc'),)), |
| 'subjectAltName': (('othername', 'blabla'),)} |
| fail(cert, 'google.com') |
| |
| # Empty cert / no cert |
| self.assertRaises(ValueError, ssl.match_hostname, None, 'example.com') |
| self.assertRaises(ValueError, ssl.match_hostname, {}, 'example.com') |
| |
| # Issue #17980: avoid denials of service by refusing more than one |
| # wildcard per fragment. |
| cert = {'subject': ((('commonName', 'a*b.com'),),)} |
| ok(cert, 'axxb.com') |
| cert = {'subject': ((('commonName', 'a*b.co*'),),)} |
| fail(cert, 'axxb.com') |
| cert = {'subject': ((('commonName', 'a*b*.com'),),)} |
| with self.assertRaises(ssl.CertificateError) as cm: |
| ssl.match_hostname(cert, 'axxbxxc.com') |
| self.assertIn("too many wildcards", str(cm.exception)) |
| |
| def test_server_side(self): |
| # server_hostname doesn't work for server sockets |
| ctx = ssl.SSLContext(ssl.PROTOCOL_SSLv23) |
| with socket.socket() as sock: |
| self.assertRaises(ValueError, ctx.wrap_socket, sock, True, |
| server_hostname="some.hostname") |
| |
| def test_unknown_channel_binding(self): |
| # should raise ValueError for unknown type |
| s = socket.socket(socket.AF_INET) |
| s.bind(('127.0.0.1', 0)) |
| s.listen() |
| c = socket.socket(socket.AF_INET) |
| c.connect(s.getsockname()) |
| with ssl.wrap_socket(c, do_handshake_on_connect=False) as ss: |
| with self.assertRaises(ValueError): |
| ss.get_channel_binding("unknown-type") |
| s.close() |
| |
| @unittest.skipUnless("tls-unique" in ssl.CHANNEL_BINDING_TYPES, |
| "'tls-unique' channel binding not available") |
| def test_tls_unique_channel_binding(self): |
| # unconnected should return None for known type |
| s = socket.socket(socket.AF_INET) |
| with ssl.wrap_socket(s) as ss: |
| self.assertIsNone(ss.get_channel_binding("tls-unique")) |
| # the same for server-side |
| s = socket.socket(socket.AF_INET) |
| with ssl.wrap_socket(s, server_side=True, certfile=CERTFILE) as ss: |
| self.assertIsNone(ss.get_channel_binding("tls-unique")) |
| |
| def test_dealloc_warn(self): |
| ss = ssl.wrap_socket(socket.socket(socket.AF_INET)) |
| r = repr(ss) |
| with self.assertWarns(ResourceWarning) as cm: |
| ss = None |
| support.gc_collect() |
| self.assertIn(r, str(cm.warning.args[0])) |
| |
| def test_get_default_verify_paths(self): |
| paths = ssl.get_default_verify_paths() |
| self.assertEqual(len(paths), 6) |
| self.assertIsInstance(paths, ssl.DefaultVerifyPaths) |
| |
| with support.EnvironmentVarGuard() as env: |
| env["SSL_CERT_DIR"] = CAPATH |
| env["SSL_CERT_FILE"] = CERTFILE |
| paths = ssl.get_default_verify_paths() |
| self.assertEqual(paths.cafile, CERTFILE) |
| self.assertEqual(paths.capath, CAPATH) |
| |
| @unittest.skipUnless(sys.platform == "win32", "Windows specific") |
| def test_enum_certificates(self): |
| self.assertTrue(ssl.enum_certificates("CA")) |
| self.assertTrue(ssl.enum_certificates("ROOT")) |
| |
| self.assertRaises(TypeError, ssl.enum_certificates) |
| self.assertRaises(WindowsError, ssl.enum_certificates, "") |
| |
| trust_oids = set() |
| for storename in ("CA", "ROOT"): |
| store = ssl.enum_certificates(storename) |
| self.assertIsInstance(store, list) |
| for element in store: |
| self.assertIsInstance(element, tuple) |
| self.assertEqual(len(element), 3) |
| cert, enc, trust = element |
| self.assertIsInstance(cert, bytes) |
| self.assertIn(enc, {"x509_asn", "pkcs_7_asn"}) |
| self.assertIsInstance(trust, (set, bool)) |
| if isinstance(trust, set): |
| trust_oids.update(trust) |
| |
| serverAuth = "1.3.6.1.5.5.7.3.1" |
| self.assertIn(serverAuth, trust_oids) |
| |
| @unittest.skipUnless(sys.platform == "win32", "Windows specific") |
| def test_enum_crls(self): |
| self.assertTrue(ssl.enum_crls("CA")) |
| self.assertRaises(TypeError, ssl.enum_crls) |
| self.assertRaises(WindowsError, ssl.enum_crls, "") |
| |
| crls = ssl.enum_crls("CA") |
| self.assertIsInstance(crls, list) |
| for element in crls: |
| self.assertIsInstance(element, tuple) |
| self.assertEqual(len(element), 2) |
| self.assertIsInstance(element[0], bytes) |
| self.assertIn(element[1], {"x509_asn", "pkcs_7_asn"}) |
| |
| |
| def test_asn1object(self): |
| expected = (129, 'serverAuth', 'TLS Web Server Authentication', |
| '1.3.6.1.5.5.7.3.1') |
| |
| val = ssl._ASN1Object('1.3.6.1.5.5.7.3.1') |
| self.assertEqual(val, expected) |
| self.assertEqual(val.nid, 129) |
| self.assertEqual(val.shortname, 'serverAuth') |
| self.assertEqual(val.longname, 'TLS Web Server Authentication') |
| self.assertEqual(val.oid, '1.3.6.1.5.5.7.3.1') |
| self.assertIsInstance(val, ssl._ASN1Object) |
| self.assertRaises(ValueError, ssl._ASN1Object, 'serverAuth') |
| |
| val = ssl._ASN1Object.fromnid(129) |
| self.assertEqual(val, expected) |
| self.assertIsInstance(val, ssl._ASN1Object) |
| self.assertRaises(ValueError, ssl._ASN1Object.fromnid, -1) |
| with self.assertRaisesRegex(ValueError, "unknown NID 100000"): |
| ssl._ASN1Object.fromnid(100000) |
| for i in range(1000): |
| try: |
| obj = ssl._ASN1Object.fromnid(i) |
| except ValueError: |
| pass |
| else: |
| self.assertIsInstance(obj.nid, int) |
| self.assertIsInstance(obj.shortname, str) |
| self.assertIsInstance(obj.longname, str) |
| self.assertIsInstance(obj.oid, (str, type(None))) |
| |
| val = ssl._ASN1Object.fromname('TLS Web Server Authentication') |
| self.assertEqual(val, expected) |
| self.assertIsInstance(val, ssl._ASN1Object) |
| self.assertEqual(ssl._ASN1Object.fromname('serverAuth'), expected) |
| self.assertEqual(ssl._ASN1Object.fromname('1.3.6.1.5.5.7.3.1'), |
| expected) |
| with self.assertRaisesRegex(ValueError, "unknown object 'serverauth'"): |
| ssl._ASN1Object.fromname('serverauth') |
| |
| def test_purpose_enum(self): |
| val = ssl._ASN1Object('1.3.6.1.5.5.7.3.1') |
| self.assertIsInstance(ssl.Purpose.SERVER_AUTH, ssl._ASN1Object) |
| self.assertEqual(ssl.Purpose.SERVER_AUTH, val) |
| self.assertEqual(ssl.Purpose.SERVER_AUTH.nid, 129) |
| self.assertEqual(ssl.Purpose.SERVER_AUTH.shortname, 'serverAuth') |
| self.assertEqual(ssl.Purpose.SERVER_AUTH.oid, |
| '1.3.6.1.5.5.7.3.1') |
| |
| val = ssl._ASN1Object('1.3.6.1.5.5.7.3.2') |
| self.assertIsInstance(ssl.Purpose.CLIENT_AUTH, ssl._ASN1Object) |
| self.assertEqual(ssl.Purpose.CLIENT_AUTH, val) |
| self.assertEqual(ssl.Purpose.CLIENT_AUTH.nid, 130) |
| self.assertEqual(ssl.Purpose.CLIENT_AUTH.shortname, 'clientAuth') |
| self.assertEqual(ssl.Purpose.CLIENT_AUTH.oid, |
| '1.3.6.1.5.5.7.3.2') |
| |
| def test_unsupported_dtls(self): |
| s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) |
| self.addCleanup(s.close) |
| with self.assertRaises(NotImplementedError) as cx: |
| ssl.wrap_socket(s, cert_reqs=ssl.CERT_NONE) |
| self.assertEqual(str(cx.exception), "only stream sockets are supported") |
| ctx = ssl.SSLContext(ssl.PROTOCOL_SSLv23) |
| with self.assertRaises(NotImplementedError) as cx: |
| ctx.wrap_socket(s) |
| self.assertEqual(str(cx.exception), "only stream sockets are supported") |
| |
| def cert_time_ok(self, timestring, timestamp): |
| self.assertEqual(ssl.cert_time_to_seconds(timestring), timestamp) |
| |
| def cert_time_fail(self, timestring): |
| with self.assertRaises(ValueError): |
| ssl.cert_time_to_seconds(timestring) |
| |
| @unittest.skipUnless(utc_offset(), |
| 'local time needs to be different from UTC') |
| def test_cert_time_to_seconds_timezone(self): |
| # Issue #19940: ssl.cert_time_to_seconds() returns wrong |
| # results if local timezone is not UTC |
| self.cert_time_ok("May 9 00:00:00 2007 GMT", 1178668800.0) |
| self.cert_time_ok("Jan 5 09:34:43 2018 GMT", 1515144883.0) |
| |
| def test_cert_time_to_seconds(self): |
| timestring = "Jan 5 09:34:43 2018 GMT" |
| ts = 1515144883.0 |
| self.cert_time_ok(timestring, ts) |
| # accept keyword parameter, assert its name |
| self.assertEqual(ssl.cert_time_to_seconds(cert_time=timestring), ts) |
| # accept both %e and %d (space or zero generated by strftime) |
| self.cert_time_ok("Jan 05 09:34:43 2018 GMT", ts) |
| # case-insensitive |
| self.cert_time_ok("JaN 5 09:34:43 2018 GmT", ts) |
| self.cert_time_fail("Jan 5 09:34 2018 GMT") # no seconds |
| self.cert_time_fail("Jan 5 09:34:43 2018") # no GMT |
| self.cert_time_fail("Jan 5 09:34:43 2018 UTC") # not GMT timezone |
| self.cert_time_fail("Jan 35 09:34:43 2018 GMT") # invalid day |
| self.cert_time_fail("Jon 5 09:34:43 2018 GMT") # invalid month |
| self.cert_time_fail("Jan 5 24:00:00 2018 GMT") # invalid hour |
| self.cert_time_fail("Jan 5 09:60:43 2018 GMT") # invalid minute |
| |
| newyear_ts = 1230768000.0 |
| # leap seconds |
| self.cert_time_ok("Dec 31 23:59:60 2008 GMT", newyear_ts) |
| # same timestamp |
| self.cert_time_ok("Jan 1 00:00:00 2009 GMT", newyear_ts) |
| |
| self.cert_time_ok("Jan 5 09:34:59 2018 GMT", 1515144899) |
| # allow 60th second (even if it is not a leap second) |
| self.cert_time_ok("Jan 5 09:34:60 2018 GMT", 1515144900) |
| # allow 2nd leap second for compatibility with time.strptime() |
| self.cert_time_ok("Jan 5 09:34:61 2018 GMT", 1515144901) |
| self.cert_time_fail("Jan 5 09:34:62 2018 GMT") # invalid seconds |
| |
| # no special treatement for the special value: |
| # 99991231235959Z (rfc 5280) |
| self.cert_time_ok("Dec 31 23:59:59 9999 GMT", 253402300799.0) |
| |
| @support.run_with_locale('LC_ALL', '') |
| def test_cert_time_to_seconds_locale(self): |
| # `cert_time_to_seconds()` should be locale independent |
| |
| def local_february_name(): |
| return time.strftime('%b', (1, 2, 3, 4, 5, 6, 0, 0, 0)) |
| |
| if local_february_name().lower() == 'feb': |
| self.skipTest("locale-specific month name needs to be " |
| "different from C locale") |
| |
| # locale-independent |
| self.cert_time_ok("Feb 9 00:00:00 2007 GMT", 1170979200.0) |
| self.cert_time_fail(local_february_name() + " 9 00:00:00 2007 GMT") |
| |
| |
| class ContextTests(unittest.TestCase): |
| |
| @skip_if_broken_ubuntu_ssl |
| def test_constructor(self): |
| for protocol in PROTOCOLS: |
| ssl.SSLContext(protocol) |
| self.assertRaises(TypeError, ssl.SSLContext) |
| self.assertRaises(ValueError, ssl.SSLContext, -1) |
| self.assertRaises(ValueError, ssl.SSLContext, 42) |
| |
| @skip_if_broken_ubuntu_ssl |
| def test_protocol(self): |
| for proto in PROTOCOLS: |
| ctx = ssl.SSLContext(proto) |
| self.assertEqual(ctx.protocol, proto) |
| |
| def test_ciphers(self): |
| ctx = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| ctx.set_ciphers("ALL") |
| ctx.set_ciphers("DEFAULT") |
| with self.assertRaisesRegex(ssl.SSLError, "No cipher can be selected"): |
| ctx.set_ciphers("^$:,;?*'dorothyx") |
| |
| @skip_if_broken_ubuntu_ssl |
| def test_options(self): |
| ctx = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| # OP_ALL | OP_NO_SSLv2 | OP_NO_SSLv3 is the default value |
| self.assertEqual(ssl.OP_ALL | ssl.OP_NO_SSLv2 | ssl.OP_NO_SSLv3, |
| ctx.options) |
| ctx.options |= ssl.OP_NO_TLSv1 |
| self.assertEqual(ssl.OP_ALL | ssl.OP_NO_SSLv2 | ssl.OP_NO_SSLv3 | ssl.OP_NO_TLSv1, |
| ctx.options) |
| if can_clear_options(): |
| ctx.options = (ctx.options & ~ssl.OP_NO_SSLv2) | ssl.OP_NO_TLSv1 |
| self.assertEqual(ssl.OP_ALL | ssl.OP_NO_TLSv1 | ssl.OP_NO_SSLv3, |
| ctx.options) |
| ctx.options = 0 |
| self.assertEqual(0, ctx.options) |
| else: |
| with self.assertRaises(ValueError): |
| ctx.options = 0 |
| |
| def test_verify_mode(self): |
| ctx = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| # Default value |
| self.assertEqual(ctx.verify_mode, ssl.CERT_NONE) |
| ctx.verify_mode = ssl.CERT_OPTIONAL |
| self.assertEqual(ctx.verify_mode, ssl.CERT_OPTIONAL) |
| ctx.verify_mode = ssl.CERT_REQUIRED |
| self.assertEqual(ctx.verify_mode, ssl.CERT_REQUIRED) |
| ctx.verify_mode = ssl.CERT_NONE |
| self.assertEqual(ctx.verify_mode, ssl.CERT_NONE) |
| with self.assertRaises(TypeError): |
| ctx.verify_mode = None |
| with self.assertRaises(ValueError): |
| ctx.verify_mode = 42 |
| |
| @unittest.skipUnless(have_verify_flags(), |
| "verify_flags need OpenSSL > 0.9.8") |
| def test_verify_flags(self): |
| ctx = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| # default value |
| tf = getattr(ssl, "VERIFY_X509_TRUSTED_FIRST", 0) |
| self.assertEqual(ctx.verify_flags, ssl.VERIFY_DEFAULT | tf) |
| ctx.verify_flags = ssl.VERIFY_CRL_CHECK_LEAF |
| self.assertEqual(ctx.verify_flags, ssl.VERIFY_CRL_CHECK_LEAF) |
| ctx.verify_flags = ssl.VERIFY_CRL_CHECK_CHAIN |
| self.assertEqual(ctx.verify_flags, ssl.VERIFY_CRL_CHECK_CHAIN) |
| ctx.verify_flags = ssl.VERIFY_DEFAULT |
| self.assertEqual(ctx.verify_flags, ssl.VERIFY_DEFAULT) |
| # supports any value |
| ctx.verify_flags = ssl.VERIFY_CRL_CHECK_LEAF | ssl.VERIFY_X509_STRICT |
| self.assertEqual(ctx.verify_flags, |
| ssl.VERIFY_CRL_CHECK_LEAF | ssl.VERIFY_X509_STRICT) |
| with self.assertRaises(TypeError): |
| ctx.verify_flags = None |
| |
| def test_load_cert_chain(self): |
| ctx = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| # Combined key and cert in a single file |
| ctx.load_cert_chain(CERTFILE, keyfile=None) |
| ctx.load_cert_chain(CERTFILE, keyfile=CERTFILE) |
| self.assertRaises(TypeError, ctx.load_cert_chain, keyfile=CERTFILE) |
| with self.assertRaises(OSError) as cm: |
| ctx.load_cert_chain(NONEXISTINGCERT) |
| self.assertEqual(cm.exception.errno, errno.ENOENT) |
| with self.assertRaisesRegex(ssl.SSLError, "PEM lib"): |
| ctx.load_cert_chain(BADCERT) |
| with self.assertRaisesRegex(ssl.SSLError, "PEM lib"): |
| ctx.load_cert_chain(EMPTYCERT) |
| # Separate key and cert |
| ctx = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| ctx.load_cert_chain(ONLYCERT, ONLYKEY) |
| ctx.load_cert_chain(certfile=ONLYCERT, keyfile=ONLYKEY) |
| ctx.load_cert_chain(certfile=BYTES_ONLYCERT, keyfile=BYTES_ONLYKEY) |
| with self.assertRaisesRegex(ssl.SSLError, "PEM lib"): |
| ctx.load_cert_chain(ONLYCERT) |
| with self.assertRaisesRegex(ssl.SSLError, "PEM lib"): |
| ctx.load_cert_chain(ONLYKEY) |
| with self.assertRaisesRegex(ssl.SSLError, "PEM lib"): |
| ctx.load_cert_chain(certfile=ONLYKEY, keyfile=ONLYCERT) |
| # Mismatching key and cert |
| ctx = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| with self.assertRaisesRegex(ssl.SSLError, "key values mismatch"): |
| ctx.load_cert_chain(CAFILE_CACERT, ONLYKEY) |
| # Password protected key and cert |
| ctx.load_cert_chain(CERTFILE_PROTECTED, password=KEY_PASSWORD) |
| ctx.load_cert_chain(CERTFILE_PROTECTED, password=KEY_PASSWORD.encode()) |
| ctx.load_cert_chain(CERTFILE_PROTECTED, |
| password=bytearray(KEY_PASSWORD.encode())) |
| ctx.load_cert_chain(ONLYCERT, ONLYKEY_PROTECTED, KEY_PASSWORD) |
| ctx.load_cert_chain(ONLYCERT, ONLYKEY_PROTECTED, KEY_PASSWORD.encode()) |
| ctx.load_cert_chain(ONLYCERT, ONLYKEY_PROTECTED, |
| bytearray(KEY_PASSWORD.encode())) |
| with self.assertRaisesRegex(TypeError, "should be a string"): |
| ctx.load_cert_chain(CERTFILE_PROTECTED, password=True) |
| with self.assertRaises(ssl.SSLError): |
| ctx.load_cert_chain(CERTFILE_PROTECTED, password="badpass") |
| with self.assertRaisesRegex(ValueError, "cannot be longer"): |
| # openssl has a fixed limit on the password buffer. |
| # PEM_BUFSIZE is generally set to 1kb. |
| # Return a string larger than this. |
| ctx.load_cert_chain(CERTFILE_PROTECTED, password=b'a' * 102400) |
| # Password callback |
| def getpass_unicode(): |
| return KEY_PASSWORD |
| def getpass_bytes(): |
| return KEY_PASSWORD.encode() |
| def getpass_bytearray(): |
| return bytearray(KEY_PASSWORD.encode()) |
| def getpass_badpass(): |
| return "badpass" |
| def getpass_huge(): |
| return b'a' * (1024 * 1024) |
| def getpass_bad_type(): |
| return 9 |
| def getpass_exception(): |
| raise Exception('getpass error') |
| class GetPassCallable: |
| def __call__(self): |
| return KEY_PASSWORD |
| def getpass(self): |
| return KEY_PASSWORD |
| ctx.load_cert_chain(CERTFILE_PROTECTED, password=getpass_unicode) |
| ctx.load_cert_chain(CERTFILE_PROTECTED, password=getpass_bytes) |
| ctx.load_cert_chain(CERTFILE_PROTECTED, password=getpass_bytearray) |
| ctx.load_cert_chain(CERTFILE_PROTECTED, password=GetPassCallable()) |
| ctx.load_cert_chain(CERTFILE_PROTECTED, |
| password=GetPassCallable().getpass) |
| with self.assertRaises(ssl.SSLError): |
| ctx.load_cert_chain(CERTFILE_PROTECTED, password=getpass_badpass) |
| with self.assertRaisesRegex(ValueError, "cannot be longer"): |
| ctx.load_cert_chain(CERTFILE_PROTECTED, password=getpass_huge) |
| with self.assertRaisesRegex(TypeError, "must return a string"): |
| ctx.load_cert_chain(CERTFILE_PROTECTED, password=getpass_bad_type) |
| with self.assertRaisesRegex(Exception, "getpass error"): |
| ctx.load_cert_chain(CERTFILE_PROTECTED, password=getpass_exception) |
| # Make sure the password function isn't called if it isn't needed |
| ctx.load_cert_chain(CERTFILE, password=getpass_exception) |
| |
| def test_load_verify_locations(self): |
| ctx = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| ctx.load_verify_locations(CERTFILE) |
| ctx.load_verify_locations(cafile=CERTFILE, capath=None) |
| 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, None) |
| with self.assertRaises(OSError) as cm: |
| ctx.load_verify_locations(NONEXISTINGCERT) |
| 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) |
| |
| def test_load_verify_cadata(self): |
| # test cadata |
| with open(CAFILE_CACERT) as f: |
| cacert_pem = f.read() |
| cacert_der = ssl.PEM_cert_to_DER_cert(cacert_pem) |
| with open(CAFILE_NEURONIO) as f: |
| neuronio_pem = f.read() |
| neuronio_der = ssl.PEM_cert_to_DER_cert(neuronio_pem) |
| |
| # test PEM |
| ctx = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| self.assertEqual(ctx.cert_store_stats()["x509_ca"], 0) |
| ctx.load_verify_locations(cadata=cacert_pem) |
| self.assertEqual(ctx.cert_store_stats()["x509_ca"], 1) |
| ctx.load_verify_locations(cadata=neuronio_pem) |
| self.assertEqual(ctx.cert_store_stats()["x509_ca"], 2) |
| # cert already in hash table |
| ctx.load_verify_locations(cadata=neuronio_pem) |
| self.assertEqual(ctx.cert_store_stats()["x509_ca"], 2) |
| |
| # combined |
| ctx = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| combined = "\n".join((cacert_pem, neuronio_pem)) |
| ctx.load_verify_locations(cadata=combined) |
| self.assertEqual(ctx.cert_store_stats()["x509_ca"], 2) |
| |
| # with junk around the certs |
| ctx = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| combined = ["head", cacert_pem, "other", neuronio_pem, "again", |
| neuronio_pem, "tail"] |
| ctx.load_verify_locations(cadata="\n".join(combined)) |
| self.assertEqual(ctx.cert_store_stats()["x509_ca"], 2) |
| |
| # test DER |
| ctx = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| ctx.load_verify_locations(cadata=cacert_der) |
| ctx.load_verify_locations(cadata=neuronio_der) |
| self.assertEqual(ctx.cert_store_stats()["x509_ca"], 2) |
| # cert already in hash table |
| ctx.load_verify_locations(cadata=cacert_der) |
| self.assertEqual(ctx.cert_store_stats()["x509_ca"], 2) |
| |
| # combined |
| ctx = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| combined = b"".join((cacert_der, neuronio_der)) |
| ctx.load_verify_locations(cadata=combined) |
| self.assertEqual(ctx.cert_store_stats()["x509_ca"], 2) |
| |
| # error cases |
| ctx = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| self.assertRaises(TypeError, ctx.load_verify_locations, cadata=object) |
| |
| with self.assertRaisesRegex(ssl.SSLError, "no start line"): |
| ctx.load_verify_locations(cadata="broken") |
| with self.assertRaisesRegex(ssl.SSLError, "not enough data"): |
| ctx.load_verify_locations(cadata=b"broken") |
| |
| |
| def test_load_dh_params(self): |
| ctx = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| ctx.load_dh_params(DHFILE) |
| if os.name != 'nt': |
| ctx.load_dh_params(BYTES_DHFILE) |
| self.assertRaises(TypeError, ctx.load_dh_params) |
| self.assertRaises(TypeError, ctx.load_dh_params, None) |
| with self.assertRaises(FileNotFoundError) as cm: |
| ctx.load_dh_params(NONEXISTINGCERT) |
| self.assertEqual(cm.exception.errno, errno.ENOENT) |
| with self.assertRaises(ssl.SSLError) as cm: |
| ctx.load_dh_params(CERTFILE) |
| |
| @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() |
| |
| @unittest.skipUnless(ssl.HAS_ECDH, "ECDH disabled on this OpenSSL build") |
| def test_set_ecdh_curve(self): |
| ctx = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| ctx.set_ecdh_curve("prime256v1") |
| ctx.set_ecdh_curve(b"prime256v1") |
| self.assertRaises(TypeError, ctx.set_ecdh_curve) |
| self.assertRaises(TypeError, ctx.set_ecdh_curve, None) |
| self.assertRaises(ValueError, ctx.set_ecdh_curve, "foo") |
| self.assertRaises(ValueError, ctx.set_ecdh_curve, b"foo") |
| |
| @needs_sni |
| def test_sni_callback(self): |
| ctx = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| |
| # set_servername_callback expects a callable, or None |
| self.assertRaises(TypeError, ctx.set_servername_callback) |
| self.assertRaises(TypeError, ctx.set_servername_callback, 4) |
| self.assertRaises(TypeError, ctx.set_servername_callback, "") |
| self.assertRaises(TypeError, ctx.set_servername_callback, ctx) |
| |
| def dummycallback(sock, servername, ctx): |
| pass |
| ctx.set_servername_callback(None) |
| ctx.set_servername_callback(dummycallback) |
| |
| @needs_sni |
| def test_sni_callback_refcycle(self): |
| # Reference cycles through the servername callback are detected |
| # and cleared. |
| ctx = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| def dummycallback(sock, servername, ctx, cycle=ctx): |
| pass |
| ctx.set_servername_callback(dummycallback) |
| wr = weakref.ref(ctx) |
| del ctx, dummycallback |
| gc.collect() |
| self.assertIs(wr(), None) |
| |
| def test_cert_store_stats(self): |
| ctx = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| self.assertEqual(ctx.cert_store_stats(), |
| {'x509_ca': 0, 'crl': 0, 'x509': 0}) |
| ctx.load_cert_chain(CERTFILE) |
| self.assertEqual(ctx.cert_store_stats(), |
| {'x509_ca': 0, 'crl': 0, 'x509': 0}) |
| ctx.load_verify_locations(CERTFILE) |
| self.assertEqual(ctx.cert_store_stats(), |
| {'x509_ca': 0, 'crl': 0, 'x509': 1}) |
| ctx.load_verify_locations(CAFILE_CACERT) |
| self.assertEqual(ctx.cert_store_stats(), |
| {'x509_ca': 1, 'crl': 0, 'x509': 2}) |
| |
| def test_get_ca_certs(self): |
| ctx = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| self.assertEqual(ctx.get_ca_certs(), []) |
| # CERTFILE is not flagged as X509v3 Basic Constraints: CA:TRUE |
| ctx.load_verify_locations(CERTFILE) |
| self.assertEqual(ctx.get_ca_certs(), []) |
| # but CAFILE_CACERT is a CA cert |
| ctx.load_verify_locations(CAFILE_CACERT) |
| self.assertEqual(ctx.get_ca_certs(), |
| [{'issuer': ((('organizationName', 'Root CA'),), |
| (('organizationalUnitName', 'http://www.cacert.org'),), |
| (('commonName', 'CA Cert Signing Authority'),), |
| (('emailAddress', 'support@cacert.org'),)), |
| 'notAfter': asn1time('Mar 29 12:29:49 2033 GMT'), |
| 'notBefore': asn1time('Mar 30 12:29:49 2003 GMT'), |
| 'serialNumber': '00', |
| 'crlDistributionPoints': ('https://www.cacert.org/revoke.crl',), |
| 'subject': ((('organizationName', 'Root CA'),), |
| (('organizationalUnitName', 'http://www.cacert.org'),), |
| (('commonName', 'CA Cert Signing Authority'),), |
| (('emailAddress', 'support@cacert.org'),)), |
| 'version': 3}]) |
| |
| with open(CAFILE_CACERT) as f: |
| pem = f.read() |
| der = ssl.PEM_cert_to_DER_cert(pem) |
| self.assertEqual(ctx.get_ca_certs(True), [der]) |
| |
| def test_load_default_certs(self): |
| ctx = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| ctx.load_default_certs() |
| |
| ctx = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| ctx.load_default_certs(ssl.Purpose.SERVER_AUTH) |
| ctx.load_default_certs() |
| |
| ctx = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| ctx.load_default_certs(ssl.Purpose.CLIENT_AUTH) |
| |
| ctx = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| self.assertRaises(TypeError, ctx.load_default_certs, None) |
| self.assertRaises(TypeError, ctx.load_default_certs, 'SERVER_AUTH') |
| |
| @unittest.skipIf(sys.platform == "win32", "not-Windows specific") |
| def test_load_default_certs_env(self): |
| ctx = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| with support.EnvironmentVarGuard() as env: |
| env["SSL_CERT_DIR"] = CAPATH |
| env["SSL_CERT_FILE"] = CERTFILE |
| ctx.load_default_certs() |
| self.assertEqual(ctx.cert_store_stats(), {"crl": 0, "x509": 1, "x509_ca": 0}) |
| |
| @unittest.skipUnless(sys.platform == "win32", "Windows specific") |
| def test_load_default_certs_env_windows(self): |
| ctx = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| ctx.load_default_certs() |
| stats = ctx.cert_store_stats() |
| |
| ctx = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| with support.EnvironmentVarGuard() as env: |
| env["SSL_CERT_DIR"] = CAPATH |
| env["SSL_CERT_FILE"] = CERTFILE |
| ctx.load_default_certs() |
| stats["x509"] += 1 |
| self.assertEqual(ctx.cert_store_stats(), stats) |
| |
| def test_create_default_context(self): |
| ctx = ssl.create_default_context() |
| self.assertEqual(ctx.protocol, ssl.PROTOCOL_SSLv23) |
| self.assertEqual(ctx.verify_mode, ssl.CERT_REQUIRED) |
| self.assertTrue(ctx.check_hostname) |
| self.assertEqual(ctx.options & ssl.OP_NO_SSLv2, ssl.OP_NO_SSLv2) |
| self.assertEqual( |
| ctx.options & getattr(ssl, "OP_NO_COMPRESSION", 0), |
| getattr(ssl, "OP_NO_COMPRESSION", 0), |
| ) |
| |
| with open(SIGNING_CA) as f: |
| cadata = f.read() |
| ctx = ssl.create_default_context(cafile=SIGNING_CA, capath=CAPATH, |
| cadata=cadata) |
| self.assertEqual(ctx.protocol, ssl.PROTOCOL_SSLv23) |
| self.assertEqual(ctx.verify_mode, ssl.CERT_REQUIRED) |
| self.assertEqual(ctx.options & ssl.OP_NO_SSLv2, ssl.OP_NO_SSLv2) |
| self.assertEqual( |
| ctx.options & getattr(ssl, "OP_NO_COMPRESSION", 0), |
| getattr(ssl, "OP_NO_COMPRESSION", 0), |
| ) |
| |
| ctx = ssl.create_default_context(ssl.Purpose.CLIENT_AUTH) |
| self.assertEqual(ctx.protocol, ssl.PROTOCOL_SSLv23) |
| self.assertEqual(ctx.verify_mode, ssl.CERT_NONE) |
| self.assertEqual(ctx.options & ssl.OP_NO_SSLv2, ssl.OP_NO_SSLv2) |
| self.assertEqual( |
| ctx.options & getattr(ssl, "OP_NO_COMPRESSION", 0), |
| getattr(ssl, "OP_NO_COMPRESSION", 0), |
| ) |
| self.assertEqual( |
| ctx.options & getattr(ssl, "OP_SINGLE_DH_USE", 0), |
| getattr(ssl, "OP_SINGLE_DH_USE", 0), |
| ) |
| self.assertEqual( |
| ctx.options & getattr(ssl, "OP_SINGLE_ECDH_USE", 0), |
| getattr(ssl, "OP_SINGLE_ECDH_USE", 0), |
| ) |
| |
| def test__create_stdlib_context(self): |
| ctx = ssl._create_stdlib_context() |
| self.assertEqual(ctx.protocol, ssl.PROTOCOL_SSLv23) |
| self.assertEqual(ctx.verify_mode, ssl.CERT_NONE) |
| self.assertFalse(ctx.check_hostname) |
| self.assertEqual(ctx.options & ssl.OP_NO_SSLv2, ssl.OP_NO_SSLv2) |
| |
| ctx = ssl._create_stdlib_context(ssl.PROTOCOL_TLSv1) |
| self.assertEqual(ctx.protocol, ssl.PROTOCOL_TLSv1) |
| self.assertEqual(ctx.verify_mode, ssl.CERT_NONE) |
| self.assertEqual(ctx.options & ssl.OP_NO_SSLv2, ssl.OP_NO_SSLv2) |
| |
| ctx = ssl._create_stdlib_context(ssl.PROTOCOL_TLSv1, |
| cert_reqs=ssl.CERT_REQUIRED, |
| check_hostname=True) |
| self.assertEqual(ctx.protocol, ssl.PROTOCOL_TLSv1) |
| self.assertEqual(ctx.verify_mode, ssl.CERT_REQUIRED) |
| self.assertTrue(ctx.check_hostname) |
| self.assertEqual(ctx.options & ssl.OP_NO_SSLv2, ssl.OP_NO_SSLv2) |
| |
| ctx = ssl._create_stdlib_context(purpose=ssl.Purpose.CLIENT_AUTH) |
| self.assertEqual(ctx.protocol, ssl.PROTOCOL_SSLv23) |
| self.assertEqual(ctx.verify_mode, ssl.CERT_NONE) |
| self.assertEqual(ctx.options & ssl.OP_NO_SSLv2, ssl.OP_NO_SSLv2) |
| |
| def test_check_hostname(self): |
| ctx = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| self.assertFalse(ctx.check_hostname) |
| |
| # Requires CERT_REQUIRED or CERT_OPTIONAL |
| with self.assertRaises(ValueError): |
| ctx.check_hostname = True |
| ctx.verify_mode = ssl.CERT_REQUIRED |
| self.assertFalse(ctx.check_hostname) |
| ctx.check_hostname = True |
| self.assertTrue(ctx.check_hostname) |
| |
| ctx.verify_mode = ssl.CERT_OPTIONAL |
| ctx.check_hostname = True |
| self.assertTrue(ctx.check_hostname) |
| |
| # Cannot set CERT_NONE with check_hostname enabled |
| with self.assertRaises(ValueError): |
| ctx.verify_mode = ssl.CERT_NONE |
| ctx.check_hostname = False |
| self.assertFalse(ctx.check_hostname) |
| |
| |
| class SSLErrorTests(unittest.TestCase): |
| |
| def test_str(self): |
| # The str() of a SSLError doesn't include the errno |
| e = ssl.SSLError(1, "foo") |
| self.assertEqual(str(e), "foo") |
| self.assertEqual(e.errno, 1) |
| # Same for a subclass |
| e = ssl.SSLZeroReturnError(1, "foo") |
| self.assertEqual(str(e), "foo") |
| self.assertEqual(e.errno, 1) |
| |
| def test_lib_reason(self): |
| # Test the library and reason attributes |
| ctx = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| with self.assertRaises(ssl.SSLError) as cm: |
| ctx.load_dh_params(CERTFILE) |
| self.assertEqual(cm.exception.library, 'PEM') |
| self.assertEqual(cm.exception.reason, 'NO_START_LINE') |
| s = str(cm.exception) |
| self.assertTrue(s.startswith("[PEM: NO_START_LINE] no start line"), s) |
| |
| def test_subclass(self): |
| # Check that the appropriate SSLError subclass is raised |
| # (this only tests one of them) |
| ctx = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| with socket.socket() as s: |
| s.bind(("127.0.0.1", 0)) |
| s.listen() |
| c = socket.socket() |
| c.connect(s.getsockname()) |
| c.setblocking(False) |
| with ctx.wrap_socket(c, False, do_handshake_on_connect=False) as c: |
| with self.assertRaises(ssl.SSLWantReadError) as cm: |
| c.do_handshake() |
| s = str(cm.exception) |
| self.assertTrue(s.startswith("The operation did not complete (read)"), s) |
| # For compatibility |
| self.assertEqual(cm.exception.errno, ssl.SSL_ERROR_WANT_READ) |
| |
| |
| class MemoryBIOTests(unittest.TestCase): |
| |
| def test_read_write(self): |
| bio = ssl.MemoryBIO() |
| bio.write(b'foo') |
| self.assertEqual(bio.read(), b'foo') |
| self.assertEqual(bio.read(), b'') |
| bio.write(b'foo') |
| bio.write(b'bar') |
| self.assertEqual(bio.read(), b'foobar') |
| self.assertEqual(bio.read(), b'') |
| bio.write(b'baz') |
| self.assertEqual(bio.read(2), b'ba') |
| self.assertEqual(bio.read(1), b'z') |
| self.assertEqual(bio.read(1), b'') |
| |
| def test_eof(self): |
| bio = ssl.MemoryBIO() |
| self.assertFalse(bio.eof) |
| self.assertEqual(bio.read(), b'') |
| self.assertFalse(bio.eof) |
| bio.write(b'foo') |
| self.assertFalse(bio.eof) |
| bio.write_eof() |
| self.assertFalse(bio.eof) |
| self.assertEqual(bio.read(2), b'fo') |
| self.assertFalse(bio.eof) |
| self.assertEqual(bio.read(1), b'o') |
| self.assertTrue(bio.eof) |
| self.assertEqual(bio.read(), b'') |
| self.assertTrue(bio.eof) |
| |
| def test_pending(self): |
| bio = ssl.MemoryBIO() |
| self.assertEqual(bio.pending, 0) |
| bio.write(b'foo') |
| self.assertEqual(bio.pending, 3) |
| for i in range(3): |
| bio.read(1) |
| self.assertEqual(bio.pending, 3-i-1) |
| for i in range(3): |
| bio.write(b'x') |
| self.assertEqual(bio.pending, i+1) |
| bio.read() |
| self.assertEqual(bio.pending, 0) |
| |
| def test_buffer_types(self): |
| bio = ssl.MemoryBIO() |
| bio.write(b'foo') |
| self.assertEqual(bio.read(), b'foo') |
| bio.write(bytearray(b'bar')) |
| self.assertEqual(bio.read(), b'bar') |
| bio.write(memoryview(b'baz')) |
| self.assertEqual(bio.read(), b'baz') |
| |
| def test_error_types(self): |
| bio = ssl.MemoryBIO() |
| self.assertRaises(TypeError, bio.write, 'foo') |
| self.assertRaises(TypeError, bio.write, None) |
| self.assertRaises(TypeError, bio.write, True) |
| self.assertRaises(TypeError, bio.write, 1) |
| |
| |
| class NetworkedTests(unittest.TestCase): |
| |
| def test_connect(self): |
| with support.transient_internet(REMOTE_HOST): |
| s = ssl.wrap_socket(socket.socket(socket.AF_INET), |
| cert_reqs=ssl.CERT_NONE) |
| try: |
| s.connect((REMOTE_HOST, 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, (REMOTE_HOST, 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=REMOTE_ROOT_CERT) |
| try: |
| s.connect((REMOTE_HOST, 443)) |
| self.assertTrue(s.getpeercert()) |
| finally: |
| s.close() |
| |
| def test_connect_ex(self): |
| # Issue #11326: check connect_ex() implementation |
| with support.transient_internet(REMOTE_HOST): |
| s = ssl.wrap_socket(socket.socket(socket.AF_INET), |
| cert_reqs=ssl.CERT_REQUIRED, |
| ca_certs=REMOTE_ROOT_CERT) |
| try: |
| self.assertEqual(0, s.connect_ex((REMOTE_HOST, 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(REMOTE_HOST): |
| s = ssl.wrap_socket(socket.socket(socket.AF_INET), |
| cert_reqs=ssl.CERT_REQUIRED, |
| ca_certs=REMOTE_ROOT_CERT, |
| do_handshake_on_connect=False) |
| try: |
| s.setblocking(False) |
| rc = s.connect_ex((REMOTE_HOST, 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.SSLWantReadError: |
| select.select([s], [], [], 5.0) |
| except ssl.SSLWantWriteError: |
| select.select([], [s], [], 5.0) |
| # 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(REMOTE_HOST): |
| s = ssl.wrap_socket(socket.socket(socket.AF_INET), |
| cert_reqs=ssl.CERT_REQUIRED, |
| ca_certs=REMOTE_ROOT_CERT, |
| do_handshake_on_connect=False) |
| try: |
| s.settimeout(0.0000001) |
| rc = s.connect_ex((REMOTE_HOST, 443)) |
| if rc == 0: |
| self.skipTest("REMOTE_HOST responded too quickly") |
| self.assertIn(rc, (errno.EAGAIN, errno.EWOULDBLOCK)) |
| finally: |
| s.close() |
| |
| def test_connect_ex_error(self): |
| with support.transient_internet(REMOTE_HOST): |
| s = ssl.wrap_socket(socket.socket(socket.AF_INET), |
| cert_reqs=ssl.CERT_REQUIRED, |
| ca_certs=REMOTE_ROOT_CERT) |
| try: |
| rc = s.connect_ex((REMOTE_HOST, 444)) |
| # Issue #19919: Windows machines or VMs hosted on Windows |
| # machines sometimes return EWOULDBLOCK. |
| errors = ( |
| errno.ECONNREFUSED, errno.EHOSTUNREACH, errno.ETIMEDOUT, |
| errno.EWOULDBLOCK, |
| ) |
| self.assertIn(rc, errors) |
| finally: |
| s.close() |
| |
| def test_connect_with_context(self): |
| with support.transient_internet(REMOTE_HOST): |
| # 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((REMOTE_HOST, 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=REMOTE_HOST) |
| s.connect((REMOTE_HOST, 443)) |
| s.close() |
| # 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, (REMOTE_HOST, 443)) |
| s.close() |
| # This should succeed because we specify the root cert |
| ctx.load_verify_locations(REMOTE_ROOT_CERT) |
| s = ctx.wrap_socket(socket.socket(socket.AF_INET)) |
| s.connect((REMOTE_HOST, 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(REMOTE_HOST): |
| 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((REMOTE_HOST, 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((REMOTE_HOST, 443)) |
| try: |
| cert = s.getpeercert() |
| self.assertTrue(cert) |
| finally: |
| s.close() |
| |
| def test_connect_cadata(self): |
| with open(REMOTE_ROOT_CERT) as f: |
| pem = f.read() |
| der = ssl.PEM_cert_to_DER_cert(pem) |
| with support.transient_internet(REMOTE_HOST): |
| ctx = ssl.SSLContext(ssl.PROTOCOL_SSLv23) |
| ctx.verify_mode = ssl.CERT_REQUIRED |
| ctx.load_verify_locations(cadata=pem) |
| with ctx.wrap_socket(socket.socket(socket.AF_INET)) as s: |
| s.connect((REMOTE_HOST, 443)) |
| cert = s.getpeercert() |
| self.assertTrue(cert) |
| |
| # same with DER |
| ctx = ssl.SSLContext(ssl.PROTOCOL_SSLv23) |
| ctx.verify_mode = ssl.CERT_REQUIRED |
| ctx.load_verify_locations(cadata=der) |
| with ctx.wrap_socket(socket.socket(socket.AF_INET)) as s: |
| s.connect((REMOTE_HOST, 443)) |
| cert = s.getpeercert() |
| self.assertTrue(cert) |
| |
| @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(REMOTE_HOST): |
| ss = ssl.wrap_socket(socket.socket(socket.AF_INET)) |
| ss.connect((REMOTE_HOST, 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(REMOTE_HOST): |
| s = socket.socket(socket.AF_INET) |
| s.connect((REMOTE_HOST, 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.SSLWantReadError: |
| select.select([s], [], []) |
| except ssl.SSLWantWriteError: |
| select.select([], [s], []) |
| 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): |
| def _test_get_server_certificate(host, port, cert=None): |
| with support.transient_internet(host): |
| pem = ssl.get_server_certificate((host, port)) |
| if not pem: |
| self.fail("No server certificate on %s:%s!" % (host, port)) |
| |
| try: |
| pem = ssl.get_server_certificate((host, port), |
| 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 %s:%s!" % (pem, host, port)) |
| |
| pem = ssl.get_server_certificate((host, port), |
| ca_certs=cert) |
| if not pem: |
| self.fail("No server certificate on %s:%s!" % (host, port)) |
| if support.verbose: |
| sys.stdout.write("\nVerified certificate for %s:%s is\n%s\n" % (host, port ,pem)) |
| |
| _test_get_server_certificate(REMOTE_HOST, 443, REMOTE_ROOT_CERT) |
| if support.IPV6_ENABLED: |
| _test_get_server_certificate('ipv6.google.com', 443) |
| |
| def test_ciphers(self): |
| remote = (REMOTE_HOST, 443) |
| with support.transient_internet(remote[0]): |
| with ssl.wrap_socket(socket.socket(socket.AF_INET), |
| cert_reqs=ssl.CERT_NONE, ciphers="ALL") as s: |
| s.connect(remote) |
| with ssl.wrap_socket(socket.socket(socket.AF_INET), |
| cert_reqs=ssl.CERT_NONE, ciphers="DEFAULT") as s: |
| 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) |
| # sha256.tbs-internet.com needs SNI to use the correct certificate |
| if not ssl.HAS_SNI: |
| self.skipTest("SNI needed for this test") |
| # 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"): |
| ctx = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| ctx.verify_mode = ssl.CERT_REQUIRED |
| ctx.load_verify_locations(sha256_cert) |
| s = ctx.wrap_socket(socket.socket(socket.AF_INET), |
| server_hostname="sha256.tbs-internet.com") |
| 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() |
| |
| def test_get_ca_certs_capath(self): |
| # capath certs are loaded on request |
| with support.transient_internet(REMOTE_HOST): |
| ctx = ssl.SSLContext(ssl.PROTOCOL_SSLv23) |
| ctx.verify_mode = ssl.CERT_REQUIRED |
| ctx.load_verify_locations(capath=CAPATH) |
| self.assertEqual(ctx.get_ca_certs(), []) |
| s = ctx.wrap_socket(socket.socket(socket.AF_INET)) |
| s.connect((REMOTE_HOST, 443)) |
| try: |
| cert = s.getpeercert() |
| self.assertTrue(cert) |
| finally: |
| s.close() |
| self.assertEqual(len(ctx.get_ca_certs()), 1) |
| |
| @needs_sni |
| def test_context_setget(self): |
| # Check that the context of a connected socket can be replaced. |
| with support.transient_internet(REMOTE_HOST): |
| ctx1 = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| ctx2 = ssl.SSLContext(ssl.PROTOCOL_SSLv23) |
| s = socket.socket(socket.AF_INET) |
| with ctx1.wrap_socket(s) as ss: |
| ss.connect((REMOTE_HOST, 443)) |
| self.assertIs(ss.context, ctx1) |
| self.assertIs(ss._sslobj.context, ctx1) |
| ss.context = ctx2 |
| self.assertIs(ss.context, ctx2) |
| self.assertIs(ss._sslobj.context, ctx2) |
| |
| |
| class NetworkedBIOTests(unittest.TestCase): |
| |
| def ssl_io_loop(self, sock, incoming, outgoing, func, *args, **kwargs): |
| # A simple IO loop. Call func(*args) depending on the error we get |
| # (WANT_READ or WANT_WRITE) move data between the socket and the BIOs. |
| timeout = kwargs.get('timeout', 10) |
| count = 0 |
| while True: |
| errno = None |
| count += 1 |
| try: |
| ret = func(*args) |
| except ssl.SSLError as e: |
| if e.errno not in (ssl.SSL_ERROR_WANT_READ, |
| ssl.SSL_ERROR_WANT_WRITE): |
| raise |
| errno = e.errno |
| # Get any data from the outgoing BIO irrespective of any error, and |
| # send it to the socket. |
| buf = outgoing.read() |
| sock.sendall(buf) |
| # If there's no error, we're done. For WANT_READ, we need to get |
| # data from the socket and put it in the incoming BIO. |
| if errno is None: |
| break |
| elif errno == ssl.SSL_ERROR_WANT_READ: |
| buf = sock.recv(32768) |
| if buf: |
| incoming.write(buf) |
| else: |
| incoming.write_eof() |
| if support.verbose: |
| sys.stdout.write("Needed %d calls to complete %s().\n" |
| % (count, func.__name__)) |
| return ret |
| |
| def test_handshake(self): |
| with support.transient_internet(REMOTE_HOST): |
| sock = socket.socket(socket.AF_INET) |
| sock.connect((REMOTE_HOST, 443)) |
| incoming = ssl.MemoryBIO() |
| outgoing = ssl.MemoryBIO() |
| ctx = ssl.SSLContext(ssl.PROTOCOL_SSLv23) |
| ctx.verify_mode = ssl.CERT_REQUIRED |
| ctx.load_verify_locations(REMOTE_ROOT_CERT) |
| ctx.check_hostname = True |
| sslobj = ctx.wrap_bio(incoming, outgoing, False, REMOTE_HOST) |
| self.assertIs(sslobj._sslobj.owner, sslobj) |
| self.assertIsNone(sslobj.cipher()) |
| self.assertIsNone(sslobj.shared_ciphers()) |
| self.assertRaises(ValueError, sslobj.getpeercert) |
| if 'tls-unique' in ssl.CHANNEL_BINDING_TYPES: |
| self.assertIsNone(sslobj.get_channel_binding('tls-unique')) |
| self.ssl_io_loop(sock, incoming, outgoing, sslobj.do_handshake) |
| self.assertTrue(sslobj.cipher()) |
| self.assertIsNone(sslobj.shared_ciphers()) |
| self.assertTrue(sslobj.getpeercert()) |
| if 'tls-unique' in ssl.CHANNEL_BINDING_TYPES: |
| self.assertTrue(sslobj.get_channel_binding('tls-unique')) |
| try: |
| self.ssl_io_loop(sock, incoming, outgoing, sslobj.unwrap) |
| except ssl.SSLSyscallError: |
| # self-signed.pythontest.net probably shuts down the TCP |
| # connection without sending a secure shutdown message, and |
| # this is reported as SSL_ERROR_SYSCALL |
| pass |
| self.assertRaises(ssl.SSLError, sslobj.write, b'foo') |
| sock.close() |
| |
| def test_read_write_data(self): |
| with support.transient_internet(REMOTE_HOST): |
| sock = socket.socket(socket.AF_INET) |
| sock.connect((REMOTE_HOST, 443)) |
| incoming = ssl.MemoryBIO() |
| outgoing = ssl.MemoryBIO() |
| ctx = ssl.SSLContext(ssl.PROTOCOL_SSLv23) |
| ctx.verify_mode = ssl.CERT_NONE |
| sslobj = ctx.wrap_bio(incoming, outgoing, False) |
| self.ssl_io_loop(sock, incoming, outgoing, sslobj.do_handshake) |
| req = b'GET / HTTP/1.0\r\n\r\n' |
| self.ssl_io_loop(sock, incoming, outgoing, sslobj.write, req) |
| buf = self.ssl_io_loop(sock, incoming, outgoing, sslobj.read, 1024) |
| self.assertEqual(buf[:5], b'HTTP/') |
| self.ssl_io_loop(sock, incoming, outgoing, sslobj.unwrap) |
| sock.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) |
| self.server.selected_npn_protocols.append(self.sslconn.selected_npn_protocol()) |
| self.server.selected_alpn_protocols.append(self.sslconn.selected_alpn_protocol()) |
| except (ssl.SSLError, ConnectionResetError) as e: |
| # We treat ConnectionResetError as though it were an |
| # SSLError - OpenSSL on Ubuntu abruptly closes the |
| # connection when asked to use an unsupported protocol. |
| # |
| # 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. |
| self.server.conn_errors.append(e) |
| 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: |
| self.server.shared_ciphers.append(self.sslconn.shared_ciphers()) |
| 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") |
| sys.stdout.write(" server: selected protocol is now " |
| + str(self.sslconn.selected_npn_protocol()) + "\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") |
| elif stripped == b'CB tls-unique': |
| if support.verbose and self.server.connectionchatty: |
| sys.stdout.write(" server: read CB tls-unique from client, sending our CB data...\n") |
| data = self.sslconn.get_channel_binding("tls-unique") |
| self.write(repr(data).encode("us-ascii") + b"\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 OSError: |
| 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, |
| npn_protocols=None, alpn_protocols=None, |
| 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 npn_protocols: |
| self.context.set_npn_protocols(npn_protocols) |
| if alpn_protocols: |
| self.context.set_alpn_protocols(alpn_protocols) |
| 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 |
| self.selected_npn_protocols = [] |
| self.selected_alpn_protocols = [] |
| self.shared_ciphers = [] |
| self.conn_errors = [] |
| threading.Thread.__init__(self) |
| self.daemon = True |
| |
| def __enter__(self): |
| self.start(threading.Event()) |
| self.flag.wait() |
| return self |
| |
| def __exit__(self, *args): |
| self.stop() |
| self.join() |
| |
| def start(self, flag=None): |
| self.flag = flag |
| threading.Thread.start(self) |
| |
| def run(self): |
| self.sock.settimeout(0.05) |
| self.sock.listen() |
| 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() |
| handler.join() |
| 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.SSLWantReadError, ssl.SSLWantWriteError): |
| return |
| except ssl.SSLEOFError: |
| return self.handle_close() |
| except ssl.SSLError: |
| raise |
| except OSError 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 __enter__(self): |
| self.start(threading.Event()) |
| self.flag.wait() |
| return self |
| |
| def __exit__(self, *args): |
| if support.verbose: |
| sys.stdout.write(" cleanup: stopping server.\n") |
| self.stop() |
| if support.verbose: |
| sys.stdout.write(" cleanup: joining server thread.\n") |
| self.join() |
| if support.verbose: |
| sys.stdout.write(" cleanup: successfully joined.\n") |
| |
| 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 server_params_test(client_context, server_context, indata=b"FOO\n", |
| chatty=True, connectionchatty=False, sni_name=None): |
| """ |
| Launch a server, connect a client to it and try various reads |
| and writes. |
| """ |
| stats = {} |
| server = ThreadedEchoServer(context=server_context, |
| chatty=chatty, |
| connectionchatty=False) |
| with server: |
| with client_context.wrap_socket(socket.socket(), |
| server_hostname=sni_name) as s: |
| 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") |
| stats.update({ |
| 'compression': s.compression(), |
| 'cipher': s.cipher(), |
| 'peercert': s.getpeercert(), |
| 'client_alpn_protocol': s.selected_alpn_protocol(), |
| 'client_npn_protocol': s.selected_npn_protocol(), |
| 'version': s.version(), |
| }) |
| s.close() |
| stats['server_alpn_protocols'] = server.selected_alpn_protocols |
| stats['server_npn_protocols'] = server.selected_npn_protocols |
| stats['server_shared_ciphers'] = server.shared_ciphers |
| return stats |
| |
| def try_protocol_combo(server_protocol, client_protocol, expect_success, |
| certsreqs=None, server_options=0, client_options=0): |
| """ |
| Try to SSL-connect using *client_protocol* to *server_protocol*. |
| If *expect_success* is true, assert that the connection succeeds, |
| if it's false, assert that the connection fails. |
| Also, if *expect_success* is a string, assert that it is the protocol |
| version actually used by the connection. |
| """ |
| 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 |= client_options |
| server_context = ssl.SSLContext(server_protocol) |
| server_context.options |= server_options |
| |
| # NOTE: we must enable "ALL" ciphers on the client, otherwise an |
| # SSLv23 client will send an SSLv3 hello (rather than SSLv2) |
| # starting from OpenSSL 1.0.0 (see issue #8322). |
| if client_context.protocol == ssl.PROTOCOL_SSLv23: |
| client_context.set_ciphers("ALL") |
| |
| for ctx in (client_context, server_context): |
| ctx.verify_mode = certsreqs |
| ctx.load_cert_chain(CERTFILE) |
| ctx.load_verify_locations(CERTFILE) |
| try: |
| stats = 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 OSError 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))) |
| elif (expect_success is not True |
| and expect_success != stats['version']): |
| raise AssertionError("version mismatch: expected %r, got %r" |
| % (expect_success, stats['version'])) |
| |
| |
| 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: |
| with self.subTest(protocol=ssl._PROTOCOL_NAMES[protocol]): |
| 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) |
| with server: |
| s = context.wrap_socket(socket.socket(), |
| do_handshake_on_connect=False) |
| s.connect((HOST, server.port)) |
| # getpeercert() raise ValueError while the handshake isn't |
| # done. |
| with self.assertRaises(ValueError): |
| s.getpeercert() |
| s.do_handshake() |
| 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() |
| |
| @unittest.skipUnless(have_verify_flags(), |
| "verify_flags need OpenSSL > 0.9.8") |
| def test_crl_check(self): |
| if support.verbose: |
| sys.stdout.write("\n") |
| |
| server_context = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| server_context.load_cert_chain(SIGNED_CERTFILE) |
| |
| context = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| context.verify_mode = ssl.CERT_REQUIRED |
| context.load_verify_locations(SIGNING_CA) |
| tf = getattr(ssl, "VERIFY_X509_TRUSTED_FIRST", 0) |
| self.assertEqual(context.verify_flags, ssl.VERIFY_DEFAULT | tf) |
| |
| # VERIFY_DEFAULT should pass |
| server = ThreadedEchoServer(context=server_context, chatty=True) |
| with server: |
| with context.wrap_socket(socket.socket()) as s: |
| s.connect((HOST, server.port)) |
| cert = s.getpeercert() |
| self.assertTrue(cert, "Can't get peer certificate.") |
| |
| # VERIFY_CRL_CHECK_LEAF without a loaded CRL file fails |
| context.verify_flags |= ssl.VERIFY_CRL_CHECK_LEAF |
| |
| server = ThreadedEchoServer(context=server_context, chatty=True) |
| with server: |
| with context.wrap_socket(socket.socket()) as s: |
| with self.assertRaisesRegex(ssl.SSLError, |
| "certificate verify failed"): |
| s.connect((HOST, server.port)) |
| |
| # now load a CRL file. The CRL file is signed by the CA. |
| context.load_verify_locations(CRLFILE) |
| |
| server = ThreadedEchoServer(context=server_context, chatty=True) |
| with server: |
| with context.wrap_socket(socket.socket()) as s: |
| s.connect((HOST, server.port)) |
| cert = s.getpeercert() |
| self.assertTrue(cert, "Can't get peer certificate.") |
| |
| def test_check_hostname(self): |
| if support.verbose: |
| sys.stdout.write("\n") |
| |
| server_context = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| server_context.load_cert_chain(SIGNED_CERTFILE) |
| |
| context = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| context.verify_mode = ssl.CERT_REQUIRED |
| context.check_hostname = True |
| context.load_verify_locations(SIGNING_CA) |
| |
| # correct hostname should verify |
| server = ThreadedEchoServer(context=server_context, chatty=True) |
| with server: |
| with context.wrap_socket(socket.socket(), |
| server_hostname="localhost") as s: |
| s.connect((HOST, server.port)) |
| cert = s.getpeercert() |
| self.assertTrue(cert, "Can't get peer certificate.") |
| |
| # incorrect hostname should raise an exception |
| server = ThreadedEchoServer(context=server_context, chatty=True) |
| with server: |
| with context.wrap_socket(socket.socket(), |
| server_hostname="invalid") as s: |
| with self.assertRaisesRegex(ssl.CertificateError, |
| "hostname 'invalid' doesn't match 'localhost'"): |
| s.connect((HOST, server.port)) |
| |
| # missing server_hostname arg should cause an exception, too |
| server = ThreadedEchoServer(context=server_context, chatty=True) |
| with server: |
| with socket.socket() as s: |
| with self.assertRaisesRegex(ValueError, |
| "check_hostname requires server_hostname"): |
| context.wrap_socket(s) |
| |
| def test_wrong_cert(self): |
| """Connecting when the server rejects the client's certificate |
| |
| Launch a server with CERT_REQUIRED, and check that trying to |
| connect to it with a wrong client certificate fails. |
| """ |
| certfile = os.path.join(os.path.dirname(__file__) or os.curdir, |
| "wrongcert.pem") |
| server = ThreadedEchoServer(CERTFILE, |
| certreqs=ssl.CERT_REQUIRED, |
| cacerts=CERTFILE, chatty=False, |
| connectionchatty=False) |
| with server, \ |
| socket.socket() as sock, \ |
| ssl.wrap_socket(sock, |
| certfile=certfile, |
| ssl_version=ssl.PROTOCOL_TLSv1) as s: |
| try: |
| # Expect either an SSL error about the server rejecting |
| # the connection, or a low-level connection reset (which |
| # sometimes happens on Windows) |
| s.connect((HOST, server.port)) |
| except ssl.SSLError as e: |
| if support.verbose: |
| sys.stdout.write("\nSSLError is %r\n" % e) |
| except OSError as e: |
| if e.errno != errno.ECONNRESET: |
| raise |
| if support.verbose: |
| sys.stdout.write("\nsocket.error is %r\n" % e) |
| else: |
| self.fail("Use of invalid cert should have failed!") |
| |
| def test_rude_shutdown(self): |
| """A brutal shutdown of an SSL server should raise an OSError |
| 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() |
| 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 OSError: |
| 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'), |
| "OpenSSL is compiled without SSLv2 support") |
| 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, False) |
| if hasattr(ssl, 'PROTOCOL_SSLv3'): |
| 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, False, |
| client_options=ssl.OP_NO_SSLv3) |
| try_protocol_combo(ssl.PROTOCOL_SSLv2, ssl.PROTOCOL_SSLv23, False, |
| 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 OSError 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)) |
| if hasattr(ssl, 'PROTOCOL_SSLv3'): |
| try_protocol_combo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_SSLv3, False) |
| try_protocol_combo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_SSLv23, True) |
| try_protocol_combo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_TLSv1, 'TLSv1') |
| |
| if hasattr(ssl, 'PROTOCOL_SSLv3'): |
| try_protocol_combo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_SSLv3, False, 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, 'TLSv1', ssl.CERT_OPTIONAL) |
| |
| if hasattr(ssl, 'PROTOCOL_SSLv3'): |
| try_protocol_combo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_SSLv3, False, 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, 'TLSv1', ssl.CERT_REQUIRED) |
| |
| # Server with specific SSL options |
| if hasattr(ssl, 'PROTOCOL_SSLv3'): |
| 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 |
| @unittest.skipUnless(hasattr(ssl, 'PROTOCOL_SSLv3'), |
| "OpenSSL is compiled without SSLv3 support") |
| 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, 'SSLv3') |
| try_protocol_combo(ssl.PROTOCOL_SSLv3, ssl.PROTOCOL_SSLv3, 'SSLv3', ssl.CERT_OPTIONAL) |
| try_protocol_combo(ssl.PROTOCOL_SSLv3, ssl.PROTOCOL_SSLv3, 'SSLv3', 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, |
| False, 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, 'TLSv1') |
| try_protocol_combo(ssl.PROTOCOL_TLSv1, ssl.PROTOCOL_TLSv1, 'TLSv1', ssl.CERT_OPTIONAL) |
| try_protocol_combo(ssl.PROTOCOL_TLSv1, ssl.PROTOCOL_TLSv1, 'TLSv1', ssl.CERT_REQUIRED) |
| if hasattr(ssl, 'PROTOCOL_SSLv2'): |
| try_protocol_combo(ssl.PROTOCOL_TLSv1, ssl.PROTOCOL_SSLv2, False) |
| if hasattr(ssl, 'PROTOCOL_SSLv3'): |
| 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) |
| |
| @skip_if_broken_ubuntu_ssl |
| @unittest.skipUnless(hasattr(ssl, "PROTOCOL_TLSv1_1"), |
| "TLS version 1.1 not supported.") |
| def test_protocol_tlsv1_1(self): |
| """Connecting to a TLSv1.1 server with various client options. |
| Testing against older TLS versions.""" |
| if support.verbose: |
| sys.stdout.write("\n") |
| try_protocol_combo(ssl.PROTOCOL_TLSv1_1, ssl.PROTOCOL_TLSv1_1, 'TLSv1.1') |
| if hasattr(ssl, 'PROTOCOL_SSLv2'): |
| try_protocol_combo(ssl.PROTOCOL_TLSv1_1, ssl.PROTOCOL_SSLv2, False) |
| if hasattr(ssl, 'PROTOCOL_SSLv3'): |
| try_protocol_combo(ssl.PROTOCOL_TLSv1_1, ssl.PROTOCOL_SSLv3, False) |
| try_protocol_combo(ssl.PROTOCOL_TLSv1_1, ssl.PROTOCOL_SSLv23, False, |
| client_options=ssl.OP_NO_TLSv1_1) |
| |
| try_protocol_combo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_TLSv1_1, 'TLSv1.1') |
| try_protocol_combo(ssl.PROTOCOL_TLSv1_1, ssl.PROTOCOL_TLSv1, False) |
| try_protocol_combo(ssl.PROTOCOL_TLSv1, ssl.PROTOCOL_TLSv1_1, False) |
| |
| |
| @skip_if_broken_ubuntu_ssl |
| @unittest.skipUnless(hasattr(ssl, "PROTOCOL_TLSv1_2"), |
| "TLS version 1.2 not supported.") |
| def test_protocol_tlsv1_2(self): |
| """Connecting to a TLSv1.2 server with various client options. |
| Testing against older TLS versions.""" |
| if support.verbose: |
| sys.stdout.write("\n") |
| try_protocol_combo(ssl.PROTOCOL_TLSv1_2, ssl.PROTOCOL_TLSv1_2, 'TLSv1.2', |
| server_options=ssl.OP_NO_SSLv3|ssl.OP_NO_SSLv2, |
| client_options=ssl.OP_NO_SSLv3|ssl.OP_NO_SSLv2,) |
| if hasattr(ssl, 'PROTOCOL_SSLv2'): |
| try_protocol_combo(ssl.PROTOCOL_TLSv1_2, ssl.PROTOCOL_SSLv2, False) |
| if hasattr(ssl, 'PROTOCOL_SSLv3'): |
| try_protocol_combo(ssl.PROTOCOL_TLSv1_2, ssl.PROTOCOL_SSLv3, False) |
| try_protocol_combo(ssl.PROTOCOL_TLSv1_2, ssl.PROTOCOL_SSLv23, False, |
| client_options=ssl.OP_NO_TLSv1_2) |
| |
| try_protocol_combo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_TLSv1_2, 'TLSv1.2') |
| try_protocol_combo(ssl.PROTOCOL_TLSv1_2, ssl.PROTOCOL_TLSv1, False) |
| try_protocol_combo(ssl.PROTOCOL_TLSv1, ssl.PROTOCOL_TLSv1_2, False) |
| try_protocol_combo(ssl.PROTOCOL_TLSv1_2, ssl.PROTOCOL_TLSv1_1, False) |
| try_protocol_combo(ssl.PROTOCOL_TLSv1_1, ssl.PROTOCOL_TLSv1_2, False) |
| |
| 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) |
| wrapped = False |
| with server: |
| 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() |
| |
| def test_socketserver(self): |
| """Using a SocketServer to create and manage SSL connections.""" |
| server = make_https_server(self, certfile=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://localhost:%d/%s' % ( |
| server.port, os.path.split(CERTFILE)[1]) |
| context = ssl.create_default_context(cafile=CERTFILE) |
| f = urllib.request.urlopen(url, context=context) |
| 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) |
| with server: |
| 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") |
| |
| 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) |
| with server: |
| 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)) |
| # 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() |
| |
| # read(-1, buffer) is supported, even though read(-1) is not |
| data = b"data" |
| s.send(data) |
| buffer = bytearray(len(data)) |
| self.assertEqual(s.read(-1, buffer), len(data)) |
| self.assertEqual(buffer, data) |
| |
| # Make sure sendmsg et al are disallowed to avoid |
| # inadvertent disclosure of data and/or corruption |
| # of the encrypted data stream |
| self.assertRaises(NotImplementedError, s.sendmsg, [b"data"]) |
| self.assertRaises(NotImplementedError, s.recvmsg, 100) |
| self.assertRaises(NotImplementedError, |
| s.recvmsg_into, bytearray(100)) |
| |
| s.write(b"over\n") |
| |
| self.assertRaises(ValueError, s.recv, -1) |
| self.assertRaises(ValueError, s.read, -1) |
| |
| s.close() |
| |
| def test_nonblocking_send(self): |
| server = ThreadedEchoServer(CERTFILE, |
| certreqs=ssl.CERT_NONE, |
| ssl_version=ssl.PROTOCOL_TLSv1, |
| cacerts=CERTFILE, |
| chatty=True, |
| connectionchatty=False) |
| with server: |
| 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)) |
| s.setblocking(False) |
| |
| # If we keep sending data, at some point the buffers |
| # will be full and the call will block |
| buf = bytearray(8192) |
| def fill_buffer(): |
| while True: |
| s.send(buf) |
| self.assertRaises((ssl.SSLWantWriteError, |
| ssl.SSLWantReadError), fill_buffer) |
| |
| # Now read all the output and discard it |
| s.setblocking(True) |
| s.close() |
| |
| 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() |
| 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_server_accept(self): |
| # Issue #16357: accept() on a SSLSocket created through |
| # SSLContext.wrap_socket(). |
| context = ssl.SSLContext(ssl.PROTOCOL_SSLv23) |
| context.verify_mode = ssl.CERT_REQUIRED |
| context.load_verify_locations(CERTFILE) |
| context.load_cert_chain(CERTFILE) |
| server = socket.socket(socket.AF_INET) |
| host = "127.0.0.1" |
| port = support.bind_port(server) |
| server = context.wrap_socket(server, server_side=True) |
| |
| evt = threading.Event() |
| remote = None |
| peer = None |
| def serve(): |
| nonlocal remote, peer |
| server.listen() |
| # Block on the accept and wait on the connection to close. |
| evt.set() |
| remote, peer = server.accept() |
| remote.recv(1) |
| |
| t = threading.Thread(target=serve) |
| t.start() |
| # Client wait until server setup and perform a connect. |
| evt.wait() |
| client = context.wrap_socket(socket.socket()) |
| client.connect((host, port)) |
| client_addr = client.getsockname() |
| client.close() |
| t.join() |
| remote.close() |
| server.close() |
| # Sanity checks. |
| self.assertIsInstance(remote, ssl.SSLSocket) |
| self.assertEqual(peer, client_addr) |
| |
| def test_getpeercert_enotconn(self): |
| context = ssl.SSLContext(ssl.PROTOCOL_SSLv23) |
| with context.wrap_socket(socket.socket()) as sock: |
| with self.assertRaises(OSError) as cm: |
| sock.getpeercert() |
| self.assertEqual(cm.exception.errno, errno.ENOTCONN) |
| |
| def test_do_handshake_enotconn(self): |
| context = ssl.SSLContext(ssl.PROTOCOL_SSLv23) |
| with context.wrap_socket(socket.socket()) as sock: |
| with self.assertRaises(OSError) as cm: |
| sock.do_handshake() |
| self.assertEqual(cm.exception.errno, errno.ENOTCONN) |
| |
| def test_default_ciphers(self): |
| context = ssl.SSLContext(ssl.PROTOCOL_SSLv23) |
| try: |
| # Force a set of weak ciphers on our client context |
| context.set_ciphers("DES") |
| except ssl.SSLError: |
| self.skipTest("no DES cipher available") |
| with ThreadedEchoServer(CERTFILE, |
| ssl_version=ssl.PROTOCOL_SSLv23, |
| chatty=False) as server: |
| with context.wrap_socket(socket.socket()) as s: |
| with self.assertRaises(OSError): |
| s.connect((HOST, server.port)) |
| self.assertIn("no shared cipher", str(server.conn_errors[0])) |
| |
| def test_version_basic(self): |
| """ |
| Basic tests for SSLSocket.version(). |
| More tests are done in the test_protocol_*() methods. |
| """ |
| context = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| with ThreadedEchoServer(CERTFILE, |
| ssl_version=ssl.PROTOCOL_TLSv1, |
| chatty=False) as server: |
| with context.wrap_socket(socket.socket()) as s: |
| self.assertIs(s.version(), None) |
| s.connect((HOST, server.port)) |
| self.assertEqual(s.version(), "TLSv1") |
| self.assertIs(s.version(), None) |
| |
| @unittest.skipUnless(ssl.HAS_ECDH, "test requires ECDH-enabled OpenSSL") |
| def test_default_ecdh_curve(self): |
| # Issue #21015: elliptic curve-based Diffie Hellman key exchange |
| # should be enabled by default on SSL contexts. |
| context = ssl.SSLContext(ssl.PROTOCOL_SSLv23) |
| context.load_cert_chain(CERTFILE) |
| # Prior to OpenSSL 1.0.0, ECDH ciphers have to be enabled |
| # explicitly using the 'ECCdraft' cipher alias. Otherwise, |
| # our default cipher list should prefer ECDH-based ciphers |
| # automatically. |
| if ssl.OPENSSL_VERSION_INFO < (1, 0, 0): |
| context.set_ciphers("ECCdraft:ECDH") |
| with ThreadedEchoServer(context=context) as server: |
| with context.wrap_socket(socket.socket()) as s: |
| s.connect((HOST, server.port)) |
| self.assertIn("ECDH", s.cipher()[0]) |
| |
| @unittest.skipUnless("tls-unique" in ssl.CHANNEL_BINDING_TYPES, |
| "'tls-unique' channel binding not available") |
| def test_tls_unique_channel_binding(self): |
| """Test tls-unique channel binding.""" |
| 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) |
| with server: |
| 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)) |
| # get the data |
| cb_data = s.get_channel_binding("tls-unique") |
| if support.verbose: |
| sys.stdout.write(" got channel binding data: {0!r}\n" |
| .format(cb_data)) |
| |
| # check if it is sane |
| self.assertIsNotNone(cb_data) |
| self.assertEqual(len(cb_data), 12) # True for TLSv1 |
| |
| # and compare with the peers version |
| s.write(b"CB tls-unique\n") |
| peer_data_repr = s.read().strip() |
| self.assertEqual(peer_data_repr, |
| repr(cb_data).encode("us-ascii")) |
| s.close() |
| |
| # now, again |
| 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)) |
| new_cb_data = s.get_channel_binding("tls-unique") |
| if support.verbose: |
| sys.stdout.write(" got another channel binding data: {0!r}\n" |
| .format(new_cb_data)) |
| # is it really unique |
| self.assertNotEqual(cb_data, new_cb_data) |
| self.assertIsNotNone(cb_data) |
| self.assertEqual(len(cb_data), 12) # True for TLSv1 |
| s.write(b"CB tls-unique\n") |
| peer_data_repr = s.read().strip() |
| self.assertEqual(peer_data_repr, |
| repr(new_cb_data).encode("us-ascii")) |
| s.close() |
| |
| def test_compression(self): |
| context = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| context.load_cert_chain(CERTFILE) |
| stats = server_params_test(context, context, |
| chatty=True, connectionchatty=True) |
| if support.verbose: |
| sys.stdout.write(" got compression: {!r}\n".format(stats['compression'])) |
| self.assertIn(stats['compression'], { None, 'ZLIB', 'RLE' }) |
| |
| @unittest.skipUnless(hasattr(ssl, 'OP_NO_COMPRESSION'), |
| "ssl.OP_NO_COMPRESSION needed for this test") |
| def test_compression_disabled(self): |
| context = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| context.load_cert_chain(CERTFILE) |
| context.options |= ssl.OP_NO_COMPRESSION |
| stats = server_params_test(context, context, |
| chatty=True, connectionchatty=True) |
| self.assertIs(stats['compression'], None) |
| |
| def test_dh_params(self): |
| # Check we can get a connection with ephemeral Diffie-Hellman |
| context = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| context.load_cert_chain(CERTFILE) |
| context.load_dh_params(DHFILE) |
| context.set_ciphers("kEDH") |
| stats = server_params_test(context, context, |
| chatty=True, connectionchatty=True) |
| cipher = stats["cipher"][0] |
| parts = cipher.split("-") |
| if "ADH" not in parts and "EDH" not in parts and "DHE" not in parts: |
| self.fail("Non-DH cipher: " + cipher[0]) |
| |
| def test_selected_alpn_protocol(self): |
| # selected_alpn_protocol() is None unless ALPN is used. |
| context = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| context.load_cert_chain(CERTFILE) |
| stats = server_params_test(context, context, |
| chatty=True, connectionchatty=True) |
| self.assertIs(stats['client_alpn_protocol'], None) |
| |
| @unittest.skipUnless(ssl.HAS_ALPN, "ALPN support required") |
| def test_selected_alpn_protocol_if_server_uses_alpn(self): |
| # selected_alpn_protocol() is None unless ALPN is used by the client. |
| client_context = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| client_context.load_verify_locations(CERTFILE) |
| server_context = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| server_context.load_cert_chain(CERTFILE) |
| server_context.set_alpn_protocols(['foo', 'bar']) |
| stats = server_params_test(client_context, server_context, |
| chatty=True, connectionchatty=True) |
| self.assertIs(stats['client_alpn_protocol'], None) |
| |
| @unittest.skipUnless(ssl.HAS_ALPN, "ALPN support needed for this test") |
| def test_alpn_protocols(self): |
| server_protocols = ['foo', 'bar', 'milkshake'] |
| protocol_tests = [ |
| (['foo', 'bar'], 'foo'), |
| (['bar', 'foo'], 'foo'), |
| (['milkshake'], 'milkshake'), |
| (['http/3.0', 'http/4.0'], None) |
| ] |
| for client_protocols, expected in protocol_tests: |
| server_context = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| server_context.load_cert_chain(CERTFILE) |
| server_context.set_alpn_protocols(server_protocols) |
| client_context = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| client_context.load_cert_chain(CERTFILE) |
| client_context.set_alpn_protocols(client_protocols) |
| stats = server_params_test(client_context, server_context, |
| chatty=True, connectionchatty=True) |
| |
| msg = "failed trying %s (s) and %s (c).\n" \ |
| "was expecting %s, but got %%s from the %%s" \ |
| % (str(server_protocols), str(client_protocols), |
| str(expected)) |
| client_result = stats['client_alpn_protocol'] |
| self.assertEqual(client_result, expected, msg % (client_result, "client")) |
| server_result = stats['server_alpn_protocols'][-1] \ |
| if len(stats['server_alpn_protocols']) else 'nothing' |
| self.assertEqual(server_result, expected, msg % (server_result, "server")) |
| |
| def test_selected_npn_protocol(self): |
| # selected_npn_protocol() is None unless NPN is used |
| context = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| context.load_cert_chain(CERTFILE) |
| stats = server_params_test(context, context, |
| chatty=True, connectionchatty=True) |
| self.assertIs(stats['client_npn_protocol'], None) |
| |
| @unittest.skipUnless(ssl.HAS_NPN, "NPN support needed for this test") |
| def test_npn_protocols(self): |
| server_protocols = ['http/1.1', 'spdy/2'] |
| protocol_tests = [ |
| (['http/1.1', 'spdy/2'], 'http/1.1'), |
| (['spdy/2', 'http/1.1'], 'http/1.1'), |
| (['spdy/2', 'test'], 'spdy/2'), |
| (['abc', 'def'], 'abc') |
| ] |
| for client_protocols, expected in protocol_tests: |
| server_context = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| server_context.load_cert_chain(CERTFILE) |
| server_context.set_npn_protocols(server_protocols) |
| client_context = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| client_context.load_cert_chain(CERTFILE) |
| client_context.set_npn_protocols(client_protocols) |
| stats = server_params_test(client_context, server_context, |
| chatty=True, connectionchatty=True) |
| |
| msg = "failed trying %s (s) and %s (c).\n" \ |
| "was expecting %s, but got %%s from the %%s" \ |
| % (str(server_protocols), str(client_protocols), |
| str(expected)) |
| client_result = stats['client_npn_protocol'] |
| self.assertEqual(client_result, expected, msg % (client_result, "client")) |
| server_result = stats['server_npn_protocols'][-1] \ |
| if len(stats['server_npn_protocols']) else 'nothing' |
| self.assertEqual(server_result, expected, msg % (server_result, "server")) |
| |
| def sni_contexts(self): |
| server_context = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| server_context.load_cert_chain(SIGNED_CERTFILE) |
| other_context = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| other_context.load_cert_chain(SIGNED_CERTFILE2) |
| client_context = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| client_context.verify_mode = ssl.CERT_REQUIRED |
| client_context.load_verify_locations(SIGNING_CA) |
| return server_context, other_context, client_context |
| |
| def check_common_name(self, stats, name): |
| cert = stats['peercert'] |
| self.assertIn((('commonName', name),), cert['subject']) |
| |
| @needs_sni |
| def test_sni_callback(self): |
| calls = [] |
| server_context, other_context, client_context = self.sni_contexts() |
| |
| def servername_cb(ssl_sock, server_name, initial_context): |
| calls.append((server_name, initial_context)) |
| if server_name is not None: |
| ssl_sock.context = other_context |
| server_context.set_servername_callback(servername_cb) |
| |
| stats = server_params_test(client_context, server_context, |
| chatty=True, |
| sni_name='supermessage') |
| # The hostname was fetched properly, and the certificate was |
| # changed for the connection. |
| self.assertEqual(calls, [("supermessage", server_context)]) |
| # CERTFILE4 was selected |
| self.check_common_name(stats, 'fakehostname') |
| |
| calls = [] |
| # The callback is called with server_name=None |
| stats = server_params_test(client_context, server_context, |
| chatty=True, |
| sni_name=None) |
| self.assertEqual(calls, [(None, server_context)]) |
| self.check_common_name(stats, 'localhost') |
| |
| # Check disabling the callback |
| calls = [] |
| server_context.set_servername_callback(None) |
| |
| stats = server_params_test(client_context, server_context, |
| chatty=True, |
| sni_name='notfunny') |
| # Certificate didn't change |
| self.check_common_name(stats, 'localhost') |
| self.assertEqual(calls, []) |
| |
| @needs_sni |
| def test_sni_callback_alert(self): |
| # Returning a TLS alert is reflected to the connecting client |
| server_context, other_context, client_context = self.sni_contexts() |
| |
| def cb_returning_alert(ssl_sock, server_name, initial_context): |
| return ssl.ALERT_DESCRIPTION_ACCESS_DENIED |
| server_context.set_servername_callback(cb_returning_alert) |
| |
| with self.assertRaises(ssl.SSLError) as cm: |
| stats = server_params_test(client_context, server_context, |
| chatty=False, |
| sni_name='supermessage') |
| self.assertEqual(cm.exception.reason, 'TLSV1_ALERT_ACCESS_DENIED') |
| |
| @needs_sni |
| def test_sni_callback_raising(self): |
| # Raising fails the connection with a TLS handshake failure alert. |
| server_context, other_context, client_context = self.sni_contexts() |
| |
| def cb_raising(ssl_sock, server_name, initial_context): |
| 1/0 |
| server_context.set_servername_callback(cb_raising) |
| |
| with self.assertRaises(ssl.SSLError) as cm, \ |
| support.captured_stderr() as stderr: |
| stats = server_params_test(client_context, server_context, |
| chatty=False, |
| sni_name='supermessage') |
| self.assertEqual(cm.exception.reason, 'SSLV3_ALERT_HANDSHAKE_FAILURE') |
| self.assertIn("ZeroDivisionError", stderr.getvalue()) |
| |
| @needs_sni |
| def test_sni_callback_wrong_return_type(self): |
| # Returning the wrong return type terminates the TLS connection |
| # with an internal error alert. |
| server_context, other_context, client_context = self.sni_contexts() |
| |
| def cb_wrong_return_type(ssl_sock, server_name, initial_context): |
| return "foo" |
| server_context.set_servername_callback(cb_wrong_return_type) |
| |
| with self.assertRaises(ssl.SSLError) as cm, \ |
| support.captured_stderr() as stderr: |
| stats = server_params_test(client_context, server_context, |
| chatty=False, |
| sni_name='supermessage') |
| self.assertEqual(cm.exception.reason, 'TLSV1_ALERT_INTERNAL_ERROR') |
| self.assertIn("TypeError", stderr.getvalue()) |
| |
| def test_shared_ciphers(self): |
| server_context = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| server_context.load_cert_chain(SIGNED_CERTFILE) |
| client_context = ssl.SSLContext(ssl.PROTOCOL_TLSv1) |
| client_context.verify_mode = ssl.CERT_REQUIRED |
| client_context.load_verify_locations(SIGNING_CA) |
| client_context.set_ciphers("RC4") |
| server_context.set_ciphers("AES:RC4") |
| stats = server_params_test(client_context, server_context) |
| ciphers = stats['server_shared_ciphers'][0] |
| self.assertGreater(len(ciphers), 0) |
| for name, tls_version, bits in ciphers: |
| self.assertIn("RC4", name.split("-")) |
| |
| def test_read_write_after_close_raises_valuerror(self): |
| 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) |
| |
| with server: |
| s = context.wrap_socket(socket.socket()) |
| s.connect((HOST, server.port)) |
| s.close() |
| |
| self.assertRaises(ValueError, s.read, 1024) |
| self.assertRaises(ValueError, s.write, b'hello') |
| |
| def test_sendfile(self): |
| TEST_DATA = b"x" * 512 |
| with open(support.TESTFN, 'wb') as f: |
| f.write(TEST_DATA) |
| self.addCleanup(support.unlink, support.TESTFN) |
| 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) |
| with server: |
| with context.wrap_socket(socket.socket()) as s: |
| s.connect((HOST, server.port)) |
| with open(support.TESTFN, 'rb') as file: |
| s.sendfile(file) |
| self.assertEqual(s.recv(1024), TEST_DATA) |
| |
| |
| def test_main(verbose=False): |
| if support.verbose: |
| import warnings |
| plats = { |
| 'Linux': platform.linux_distribution, |
| 'Mac': platform.mac_ver, |
| 'Windows': platform.win32_ver, |
| } |
| with warnings.catch_warnings(): |
| warnings.filterwarnings( |
| 'ignore', |
| 'dist\(\) and linux_distribution\(\) ' |
| 'functions are deprecated .*', |
| PendingDeprecationWarning, |
| ) |
| 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) |
| print(" OP_ALL = 0x%8x" % ssl.OP_ALL) |
| try: |
| print(" OP_NO_TLSv1_1 = 0x%8x" % ssl.OP_NO_TLSv1_1) |
| except AttributeError: |
| pass |
| |
| for filename in [ |
| CERTFILE, REMOTE_ROOT_CERT, BYTES_CERTFILE, |
| ONLYCERT, ONLYKEY, BYTES_ONLYCERT, BYTES_ONLYKEY, |
| SIGNED_CERTFILE, SIGNED_CERTFILE2, SIGNING_CA, |
| BADCERT, BADKEY, EMPTYCERT]: |
| if not os.path.exists(filename): |
| raise support.TestFailed("Can't read certificate file %r" % filename) |
| |
| tests = [ContextTests, BasicSocketTests, SSLErrorTests, MemoryBIOTests] |
| |
| if support.is_resource_enabled('network'): |
| tests.append(NetworkedTests) |
| tests.append(NetworkedBIOTests) |
| |
| if _have_threads: |
| thread_info = support.threading_setup() |
| if thread_info: |
| tests.append(ThreadedTests) |
| |
| try: |
| support.run_unittest(*tests) |
| finally: |
| if _have_threads: |
| support.threading_cleanup(*thread_info) |
| |
| if __name__ == "__main__": |
| test_main() |