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python3/SOURCES/00318-fixes-for-tls-13.patch

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import python3-3.6.8-59.el8
9 months ago
From 412ccf4c6f8c417006c0a93392a8274a425074c0 Mon Sep 17 00:00:00 2001
From: Victor Stinner <vstinner@redhat.com>
Date: Wed, 29 May 2019 04:04:54 +0200
Subject: [PATCH 1/5] bpo-32947: test_ssl fixes for TLS 1.3 and OpenSSL 1.1.1
(GH-11612)
Backport partially commit 529525fb5a8fd9b96ab4021311a598c77588b918:
complete the previous partial backport (commit
2a4ee8aa01d61b6a9c8e9c65c211e61bdb471826.
Co-Authored-By: Christian Heimes <christian@python.org>
---
Lib/test/test_ssl.py | 15 +++++++++++++++
.../2019-01-18-17-46-10.bpo-32947.Hk0KnM.rst | 1 +
2 files changed, 16 insertions(+)
create mode 100644 Misc/NEWS.d/next/Tests/2019-01-18-17-46-10.bpo-32947.Hk0KnM.rst
diff --git a/Lib/test/test_ssl.py b/Lib/test/test_ssl.py
index cb0acda..639109f 100644
--- a/Lib/test/test_ssl.py
+++ b/Lib/test/test_ssl.py
@@ -2043,6 +2043,16 @@ if _have_threads:
sys.stdout.write(" server: read %r (%s), sending back %r (%s)...\n"
% (msg, ctype, msg.lower(), ctype))
self.write(msg.lower())
+ except ConnectionResetError:
+ # XXX: OpenSSL 1.1.1 sometimes raises ConnectionResetError
+ # when connection is not shut down gracefully.
+ if self.server.chatty and support.verbose:
+ sys.stdout.write(
+ " Connection reset by peer: {}\n".format(
+ self.addr)
+ )
+ self.close()
+ self.running = False
except OSError:
if self.server.chatty:
handle_error("Test server failure:\n")
@@ -2122,6 +2132,11 @@ if _have_threads:
pass
except KeyboardInterrupt:
self.stop()
+ except BaseException as e:
+ if support.verbose and self.chatty:
+ sys.stdout.write(
+ ' connection handling failed: ' + repr(e) + '\n')
+
self.sock.close()
def stop(self):
diff --git a/Misc/NEWS.d/next/Tests/2019-01-18-17-46-10.bpo-32947.Hk0KnM.rst b/Misc/NEWS.d/next/Tests/2019-01-18-17-46-10.bpo-32947.Hk0KnM.rst
new file mode 100644
index 0000000..f508504
--- /dev/null
+++ b/Misc/NEWS.d/next/Tests/2019-01-18-17-46-10.bpo-32947.Hk0KnM.rst
@@ -0,0 +1 @@
+test_ssl fixes for TLS 1.3 and OpenSSL 1.1.1.
--
2.21.0
From 6b728ec778067849dd1f0d9b73cf1ac47dafa270 Mon Sep 17 00:00:00 2001
From: "Miss Islington (bot)"
<31488909+miss-islington@users.noreply.github.com>
Date: Wed, 25 Sep 2019 09:12:59 -0700
Subject: [PATCH 2/5] bpo-38271: encrypt private key test files with AES256
(GH-16385)
The private keys for test_ssl were encrypted with 3DES in traditional
PKCSGH-5 format. 3DES and the digest algorithm of PKCSGH-5 are blocked by
some strict crypto policies. Use PKCSGH-8 format with AES256 encryption
instead.
Signed-off-by: Christian Heimes <christian@python.org>
https://bugs.python.org/issue38271
Automerge-Triggered-By: @tiran
(cherry picked from commit bfd0c963d88f3df69489ee250655e2b8f3d235bd)
Co-authored-by: Christian Heimes <christian@python.org>
---
Lib/test/keycert.passwd.pem | 85 ++++++++++---------
Lib/test/make_ssl_certs.py | 4 +-
Lib/test/ssl_key.passwd.pem | 84 +++++++++---------
.../2019-09-25-13-11-29.bpo-38271.iHXNIg.rst | 4 +
4 files changed, 91 insertions(+), 86 deletions(-)
create mode 100644 Misc/NEWS.d/next/Tests/2019-09-25-13-11-29.bpo-38271.iHXNIg.rst
diff --git a/Lib/test/keycert.passwd.pem b/Lib/test/keycert.passwd.pem
index cbb3c3b..c330c36 100644
--- a/Lib/test/keycert.passwd.pem
+++ b/Lib/test/keycert.passwd.pem
@@ -1,45 +1,45 @@
------BEGIN RSA PRIVATE KEY-----
-Proc-Type: 4,ENCRYPTED
-DEK-Info: DES-EDE3-CBC,D134E931C96D9DEC
-
-nuGFEej7vIjkYWSMz5OJeVTNntDRQi6ZM4DBm3g8T7i/0odr3WFqGMMKZcIhLYQf
-rgRq7RSKtrJ1y5taVucMV+EuCjyfzDo0TsYt+ZrXv/D08eZhjRmkhoHnGVF0TqQm
-nQEXM/ERT4J2RM78dnG+homMkI76qOqxgGbRqQqJo6AiVRcAZ45y8s96bru2TAB8
-+pWjO/v0Je7AFVdwSU52N8OOY6uoSAygW+0UY1WVxbVGJF2XfRsNpPX+YQHYl6e+
-3xM5XBVCgr6kmdAyub5qUJ38X3TpdVGoR0i+CVS9GTr2pSRib1zURAeeHnlqiUZM
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-M5oixKDi2PqMn3y2cDx1NjJtP661688EcJ5a2Ih9BgO9xpnhSyzBWEKcAn0tJB0H
-/56M0FW6cdOOIzMveGGL7sHW5E+iOdI1n5e7C6KJUzew78Y9qJnhS53EdI6qTz9R
-wsIsj1i070Fk6RbPo6zpLlF6w7Zj8GlZaZA7OZZv9wo5VEV/0ST8gmiiBOBc4C6Y
-u9hyLIIu4dFEBKyQHRvBnQSLNpKx6or1OGFDVBay2In9Yh2BHh1+vOj/OIz/wq48
-EHOIV27fRJxLu4jeK5LIGDhuPnMJ8AJYQ0bQOUP6fd7p+TxWkAQZPB/Dx/cs3hxr
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-hIy/ovu9tWN2hiPxGPe6torF6BulAxsTYlDercC204AyzsrdA0pr6HBgJH9C6ML1
-TchwodbFJqn9rSv91i1liusAGoOvE81AGBdrXY7LxfSNhYY1IK6yR/POJPTd53sA
-uX2/j6Rtoksd/2BHPM6AUnI/2B9slhuzWX2aCtWLeuwvXDS6rYuTigaQmLkzTRfM
-dlMI3s9KLXxgi5YVumUZleJWXwBNP7KiKajd+VTSD+7WAhyhM5FIG5wVOaxmy4G2
-TyqZ/Ax9d2VEjTQHWvQlLPQ4Mp0EIz0aEl94K/S8CK8bJRH6+PRkar+dJi1xqlL+
-BYb42At9mEJ8odLlFikvNi1+t7jqXk5jRi5C0xFKx3nTtzoH2zNUeuA3R6vSocVK
-45jnze9IkKmxMlJ4loR5sgszdpDCD3kXqjtCcbMTmcrGyzJek3HSOTpiEORoTFOe
-Rhg6jH5lm+QcC263oipojS0qEQcnsWJP2CylNYMYHR9O/9NQxT3o2lsRHqZTMELV
-uQa/SFH+paQNbZOj8MRwPSqqiIxJFuLswKte1R+W7LKn1yBSM7Pp39lNbzGvJD2E
-YRfnCwFpJ54voVAuQ4jXJvigCW2qeCjXlxeD6K2j4eGJEEOmIjIW1wjubyBY6OI3
------END RSA PRIVATE KEY-----
+-----BEGIN ENCRYPTED PRIVATE KEY-----
+MIIHbTBXBgkqhkiG9w0BBQ0wSjApBgkqhkiG9w0BBQwwHAQIhD+rJdxqb6ECAggA
+MAwGCCqGSIb3DQIJBQAwHQYJYIZIAWUDBAEqBBDTdyjCP3riOSUfxix4aXEvBIIH
+ECGkbsFabrcFMZcplw5jHMaOlG7rYjUzwDJ80JM8uzbv2Jb8SvNlns2+xmnEvH/M
+mNvRmnXmplbVjH3XBMK8o2Psnr2V/a0j7/pgqpRxHykG+koOY4gzdt3MAg8JPbS2
+hymSl+Y5EpciO3xLfz4aFL1ZNqspQbO/TD13Ij7DUIy7xIRBMp4taoZCrP0cEBAZ
++wgu9m23I4dh3E8RUBzWyFFNic2MVVHrui6JbHc4dIHfyKLtXJDhUcS0vIC9PvcV
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+j8OE4cfCSh2WvHnhJbH7/N0v+JKjtxeIeJ16jx/K2oK5
+-----END ENCRYPTED PRIVATE KEY-----
-----BEGIN CERTIFICATE-----
MIIEWTCCAsGgAwIBAgIJAJinz4jHSjLtMA0GCSqGSIb3DQEBCwUAMF8xCzAJBgNV
BAYTAlhZMRcwFQYDVQQHDA5DYXN0bGUgQW50aHJheDEjMCEGA1UECgwaUHl0aG9u
@@ -66,3 +66,4 @@ jMqTFlmO7kpf/jpCSmamp3/JSEE1BJKHwQ6Ql4nzRA2N1mnvWH7Zxcv043gkHeAu
9Wc2uXpw9xF8itV4Uvcdr3dwqByvIqn7iI/gB+4l41e0u8OmH2MKOx4Nxlly5TNW
HcVKQHyOeyvnINuBAQ==
-----END CERTIFICATE-----
+
diff --git a/Lib/test/make_ssl_certs.py b/Lib/test/make_ssl_certs.py
index 3622765..41b5f46 100644
--- a/Lib/test/make_ssl_certs.py
+++ b/Lib/test/make_ssl_certs.py
@@ -206,8 +206,8 @@ if __name__ == '__main__':
with open('ssl_key.pem', 'w') as f:
f.write(key)
print("password protecting ssl_key.pem in ssl_key.passwd.pem")
- check_call(['openssl','rsa','-in','ssl_key.pem','-out','ssl_key.passwd.pem','-des3','-passout','pass:somepass'])
- check_call(['openssl','rsa','-in','ssl_key.pem','-out','keycert.passwd.pem','-des3','-passout','pass:somepass'])
+ check_call(['openssl','pkey','-in','ssl_key.pem','-out','ssl_key.passwd.pem','-aes256','-passout','pass:somepass'])
+ check_call(['openssl','pkey','-in','ssl_key.pem','-out','keycert.passwd.pem','-aes256','-passout','pass:somepass'])
with open('keycert.pem', 'w') as f:
f.write(key)
diff --git a/Lib/test/ssl_key.passwd.pem b/Lib/test/ssl_key.passwd.pem
index e4f1370..46de61a 100644
--- a/Lib/test/ssl_key.passwd.pem
+++ b/Lib/test/ssl_key.passwd.pem
@@ -1,42 +1,42 @@
------BEGIN RSA PRIVATE KEY-----
-Proc-Type: 4,ENCRYPTED
-DEK-Info: DES-EDE3-CBC,8064BE1494B24B13
-
-KJrffOMbo8M0I3PzcYxRZGMpKD1yB3Ii4+bT5XoanxjIJ+4fdx6LfZ0Rsx+riyzs
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-Ztvvr4hK5LcYCeS113BLiMbDIMMZZYGDZGMdC8DnnVbT2loF0Rfmp80Af31KmMQ4
-6XvMatW9UDjBoY5a/YMpdm7SRwm+MgV2KNPpc2kST87/yi9oprGAb8qiarHiHTM0
------END RSA PRIVATE KEY-----
+-----BEGIN ENCRYPTED PRIVATE KEY-----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+-----END ENCRYPTED PRIVATE KEY-----
diff --git a/Misc/NEWS.d/next/Tests/2019-09-25-13-11-29.bpo-38271.iHXNIg.rst b/Misc/NEWS.d/next/Tests/2019-09-25-13-11-29.bpo-38271.iHXNIg.rst
new file mode 100644
index 0000000..8f43d32
--- /dev/null
+++ b/Misc/NEWS.d/next/Tests/2019-09-25-13-11-29.bpo-38271.iHXNIg.rst
@@ -0,0 +1,4 @@
+The private keys for test_ssl were encrypted with 3DES in traditional
+PKCS#5 format. 3DES and the digest algorithm of PKCS#5 are blocked by
+some strict crypto policies. Use PKCS#8 format with AES256 encryption
+instead.
--
2.21.0
From d8584f9bb3fb841a1b21ed25abc2237ea8bbc206 Mon Sep 17 00:00:00 2001
From: Charalampos Stratakis <cstratak@redhat.com>
Date: Tue, 26 Nov 2019 23:57:21 +0100
Subject: [PATCH 3/5] Use PROTOCOL_TLS_CLIENT/SERVER
Replaces PROTOCOL_TLSv* and PROTOCOL_SSLv23 with PROTOCOL_TLS_CLIENT and
PROTOCOL_TLS_SERVER.
Partially backports a170fa162dc03f0a014373349e548954fff2e567
---
Lib/ssl.py | 7 +-
Lib/test/test_logging.py | 2 +-
Lib/test/test_ssl.py | 169 +++++++++++++++++++--------------------
3 files changed, 87 insertions(+), 91 deletions(-)
diff --git a/Lib/ssl.py b/Lib/ssl.py
index 0114387..c5c5529 100644
--- a/Lib/ssl.py
+++ b/Lib/ssl.py
@@ -473,7 +473,7 @@ def create_default_context(purpose=Purpose.SERVER_AUTH, *, cafile=None,
context.load_default_certs(purpose)
return context
-def _create_unverified_context(protocol=PROTOCOL_TLS, *, cert_reqs=None,
+def _create_unverified_context(protocol=PROTOCOL_TLS, *, cert_reqs=CERT_NONE,
check_hostname=False, purpose=Purpose.SERVER_AUTH,
certfile=None, keyfile=None,
cafile=None, capath=None, cadata=None):
@@ -492,9 +492,12 @@ def _create_unverified_context(protocol=PROTOCOL_TLS, *, cert_reqs=None,
# by default.
context = SSLContext(protocol)
+ if not check_hostname:
+ context.check_hostname = False
if cert_reqs is not None:
context.verify_mode = cert_reqs
- context.check_hostname = check_hostname
+ if check_hostname:
+ context.check_hostname = True
if keyfile and not certfile:
raise ValueError("certfile must be specified")
diff --git a/Lib/test/test_logging.py b/Lib/test/test_logging.py
index 763a5d1..d5c63b4 100644
--- a/Lib/test/test_logging.py
+++ b/Lib/test/test_logging.py
@@ -1830,7 +1830,7 @@ class HTTPHandlerTest(BaseTest):
else:
here = os.path.dirname(__file__)
localhost_cert = os.path.join(here, "keycert.pem")
- sslctx = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
+ sslctx = ssl.SSLContext(ssl.PROTOCOL_TLS_SERVER)
sslctx.load_cert_chain(localhost_cert)
context = ssl.create_default_context(cafile=localhost_cert)
diff --git a/Lib/test/test_ssl.py b/Lib/test/test_ssl.py
index 639109f..a7bf2f7 100644
--- a/Lib/test/test_ssl.py
+++ b/Lib/test/test_ssl.py
@@ -155,6 +155,8 @@ def test_wrap_socket(sock, ssl_version=ssl.PROTOCOL_TLS, *,
**kwargs):
context = ssl.SSLContext(ssl_version)
if cert_reqs is not None:
+ if cert_reqs == ssl.CERT_NONE:
+ context.check_hostname = False
context.verify_mode = cert_reqs
if ca_certs is not None:
context.load_verify_locations(ca_certs)
@@ -1377,7 +1379,7 @@ class ContextTests(unittest.TestCase):
self._assert_context_options(ctx)
def test_check_hostname(self):
- ctx = ssl.SSLContext(ssl.PROTOCOL_TLSv1)
+ ctx = ssl.SSLContext(ssl.PROTOCOL_TLS)
self.assertFalse(ctx.check_hostname)
# Requires CERT_REQUIRED or CERT_OPTIONAL
@@ -2386,17 +2388,13 @@ if _have_threads:
server_params_test(context, context,
chatty=True, connectionchatty=True)
- client_context = ssl.SSLContext(ssl.PROTOCOL_TLS_CLIENT)
- client_context.load_verify_locations(SIGNING_CA)
- server_context = ssl.SSLContext(ssl.PROTOCOL_TLS_SERVER)
- # server_context.load_verify_locations(SIGNING_CA)
- server_context.load_cert_chain(SIGNED_CERTFILE2)
+ client_context, server_context, hostname = testing_context()
with self.subTest(client=ssl.PROTOCOL_TLS_CLIENT, server=ssl.PROTOCOL_TLS_SERVER):
server_params_test(client_context=client_context,
server_context=server_context,
chatty=True, connectionchatty=True,
- sni_name='fakehostname')
+ sni_name='localhost')
client_context.check_hostname = False
with self.subTest(client=ssl.PROTOCOL_TLS_SERVER, server=ssl.PROTOCOL_TLS_CLIENT):
@@ -2404,7 +2402,7 @@ if _have_threads:
server_params_test(client_context=server_context,
server_context=client_context,
chatty=True, connectionchatty=True,
- sni_name='fakehostname')
+ sni_name='localhost')
self.assertIn('called a function you should not call',
str(e.exception))
@@ -2469,39 +2467,38 @@ if _have_threads:
if support.verbose:
sys.stdout.write("\n")
- server_context = ssl.SSLContext(ssl.PROTOCOL_TLSv1)
- server_context.load_cert_chain(SIGNED_CERTFILE)
+ client_context, server_context, hostname = testing_context()
- 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)
+ self.assertEqual(client_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:
+ with client_context.wrap_socket(socket.socket(),
+ server_hostname=hostname) 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
+ client_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 client_context.wrap_socket(socket.socket(),
+ server_hostname=hostname) 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)
+ client_context.load_verify_locations(CRLFILE)
server = ThreadedEchoServer(context=server_context, chatty=True)
with server:
- with context.wrap_socket(socket.socket()) as s:
+ with client_context.wrap_socket(socket.socket(),
+ server_hostname=hostname) as s:
s.connect((HOST, server.port))
cert = s.getpeercert()
self.assertTrue(cert, "Can't get peer certificate.")
@@ -2510,19 +2507,13 @@ if _have_threads:
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)
+ client_context, server_context, hostname = testing_context()
# correct hostname should verify
server = ThreadedEchoServer(context=server_context, chatty=True)
with server:
- with context.wrap_socket(socket.socket(),
- server_hostname="localhost") as s:
+ with client_context.wrap_socket(socket.socket(),
+ server_hostname=hostname) as s:
s.connect((HOST, server.port))
cert = s.getpeercert()
self.assertTrue(cert, "Can't get peer certificate.")
@@ -2530,7 +2521,7 @@ if _have_threads:
# incorrect hostname should raise an exception
server = ThreadedEchoServer(context=server_context, chatty=True)
with server:
- with context.wrap_socket(socket.socket(),
+ with client_context.wrap_socket(socket.socket(),
server_hostname="invalid") as s:
with self.assertRaisesRegex(ssl.CertificateError,
"hostname 'invalid' doesn't match 'localhost'"):
@@ -2542,7 +2533,7 @@ if _have_threads:
with socket.socket() as s:
with self.assertRaisesRegex(ValueError,
"check_hostname requires server_hostname"):
- context.wrap_socket(s)
+ client_context.wrap_socket(s)
def test_wrong_cert(self):
"""Connecting when the server rejects the client's certificate
@@ -2767,7 +2758,6 @@ if _have_threads:
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)
@@ -2795,7 +2785,7 @@ if _have_threads:
sys.stdout.write(
" client: read %r from server, starting TLS...\n"
% msg)
- conn = test_wrap_socket(s, ssl_version=ssl.PROTOCOL_TLSv1)
+ conn = test_wrap_socket(s)
wrapped = True
elif indata == b"ENDTLS" and msg.startswith(b"ok"):
# ENDTLS ok, switch back to clear text
@@ -2882,7 +2872,7 @@ if _have_threads:
server = ThreadedEchoServer(CERTFILE,
certreqs=ssl.CERT_NONE,
- ssl_version=ssl.PROTOCOL_TLSv1,
+ ssl_version=ssl.PROTOCOL_TLS_SERVER,
cacerts=CERTFILE,
chatty=True,
connectionchatty=False)
@@ -2892,7 +2882,7 @@ if _have_threads:
certfile=CERTFILE,
ca_certs=CERTFILE,
cert_reqs=ssl.CERT_NONE,
- ssl_version=ssl.PROTOCOL_TLSv1)
+ ssl_version=ssl.PROTOCOL_TLS_CLIENT)
s.connect((HOST, server.port))
# helper methods for standardising recv* method signatures
def _recv_into():
@@ -3034,7 +3024,7 @@ if _have_threads:
def test_nonblocking_send(self):
server = ThreadedEchoServer(CERTFILE,
certreqs=ssl.CERT_NONE,
- ssl_version=ssl.PROTOCOL_TLSv1,
+ ssl_version=ssl.PROTOCOL_TLS_SERVER,
cacerts=CERTFILE,
chatty=True,
connectionchatty=False)
@@ -3044,7 +3034,7 @@ if _have_threads:
certfile=CERTFILE,
ca_certs=CERTFILE,
cert_reqs=ssl.CERT_NONE,
- ssl_version=ssl.PROTOCOL_TLSv1)
+ ssl_version=ssl.PROTOCOL_TLS_CLIENT)
s.connect((HOST, server.port))
s.setblocking(False)
@@ -3190,9 +3180,11 @@ if _have_threads:
Basic tests for SSLSocket.version().
More tests are done in the test_protocol_*() methods.
"""
- context = ssl.SSLContext(ssl.PROTOCOL_TLSv1)
+ context = ssl.SSLContext(ssl.PROTOCOL_TLS_CLIENT)
+ context.check_hostname = False
+ context.verify_mode = ssl.CERT_NONE
with ThreadedEchoServer(CERTFILE,
- ssl_version=ssl.PROTOCOL_TLSv1,
+ ssl_version=ssl.PROTOCOL_TLS_SERVER,
chatty=False) as server:
with context.wrap_socket(socket.socket()) as s:
self.assertIs(s.version(), None)
@@ -3247,7 +3239,7 @@ if _have_threads:
server = ThreadedEchoServer(CERTFILE,
certreqs=ssl.CERT_NONE,
- ssl_version=ssl.PROTOCOL_TLSv1,
+ ssl_version=ssl.PROTOCOL_TLS_SERVER,
cacerts=CERTFILE,
chatty=True,
connectionchatty=False)
@@ -3257,7 +3249,7 @@ if _have_threads:
certfile=CERTFILE,
ca_certs=CERTFILE,
cert_reqs=ssl.CERT_NONE,
- ssl_version=ssl.PROTOCOL_TLSv1)
+ ssl_version=ssl.PROTOCOL_TLS_CLIENT)
s.connect((HOST, server.port))
# get the data
cb_data = s.get_channel_binding("tls-unique")
@@ -3282,7 +3274,7 @@ if _have_threads:
certfile=CERTFILE,
ca_certs=CERTFILE,
cert_reqs=ssl.CERT_NONE,
- ssl_version=ssl.PROTOCOL_TLSv1)
+ ssl_version=ssl.PROTOCOL_TLS_CLIENT)
s.connect((HOST, server.port))
new_cb_data = s.get_channel_binding("tls-unique")
if support.verbose:
@@ -3299,32 +3291,35 @@ if _have_threads:
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)
+ client_context, server_context, hostname = testing_context()
+ stats = server_params_test(client_context, server_context,
+ chatty=True, connectionchatty=True,
+ sni_name=hostname)
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)
+ client_context, server_context, hostname = testing_context()
+ client_context.options |= ssl.OP_NO_COMPRESSION
+ server_context.options |= ssl.OP_NO_COMPRESSION
+ stats = server_params_test(client_context, server_context,
+ chatty=True, connectionchatty=True,
+ sni_name=hostname)
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)
+ client_context, server_context, hostname = testing_context()
+ server_context.load_dh_params(DHFILE)
+ server_context.set_ciphers("kEDH")
+ server_context.options |= ssl.OP_NO_TLSv1_3
+ stats = server_params_test(client_context, server_context,
+ chatty=True, connectionchatty=True,
+ sni_name=hostname)
cipher = stats["cipher"][0]
parts = cipher.split("-")
if "ADH" not in parts and "EDH" not in parts and "DHE" not in parts:
@@ -3332,22 +3327,20 @@ if _have_threads:
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)
+ client_context, server_context, hostname = testing_context()
+ stats = server_params_test(client_context, server_context,
+ chatty=True, connectionchatty=True,
+ sni_name=hostname)
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)
+ client_context, server_context, hostname = testing_context()
server_context.set_alpn_protocols(['foo', 'bar'])
stats = server_params_test(client_context, server_context,
- chatty=True, connectionchatty=True)
+ chatty=True, connectionchatty=True,
+ sni_name=hostname)
self.assertIs(stats['client_alpn_protocol'], None)
@unittest.skipUnless(ssl.HAS_ALPN, "ALPN support needed for this test")
@@ -3394,10 +3387,10 @@ if _have_threads:
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)
+ client_context, server_context, hostname = testing_context()
+ stats = server_params_test(client_context, server_context,
+ chatty=True, connectionchatty=True,
+ sni_name=hostname)
self.assertIs(stats['client_npn_protocol'], None)
@unittest.skipUnless(ssl.HAS_NPN, "NPN support needed for this test")
@@ -3430,12 +3423,11 @@ if _have_threads:
self.assertEqual(server_result, expected, msg % (server_result, "server"))
def sni_contexts(self):
- server_context = ssl.SSLContext(ssl.PROTOCOL_TLSv1)
+ server_context = ssl.SSLContext(ssl.PROTOCOL_TLS_SERVER)
server_context.load_cert_chain(SIGNED_CERTFILE)
- other_context = ssl.SSLContext(ssl.PROTOCOL_TLSv1)
+ other_context = ssl.SSLContext(ssl.PROTOCOL_TLS_SERVER)
other_context.load_cert_chain(SIGNED_CERTFILE2)
- client_context = ssl.SSLContext(ssl.PROTOCOL_TLSv1)
- client_context.verify_mode = ssl.CERT_REQUIRED
+ client_context = ssl.SSLContext(ssl.PROTOCOL_TLS_CLIENT)
client_context.load_verify_locations(SIGNING_CA)
return server_context, other_context, client_context
@@ -3448,6 +3440,8 @@ if _have_threads:
calls = []
server_context, other_context, client_context = self.sni_contexts()
+ client_context.check_hostname = False
+
def servername_cb(ssl_sock, server_name, initial_context):
calls.append((server_name, initial_context))
if server_name is not None:
@@ -3533,11 +3527,7 @@ if _have_threads:
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, server_context, hostname = testing_context()
if ssl.OPENSSL_VERSION_INFO >= (1, 0, 2):
client_context.set_ciphers("AES128:AES256")
server_context.set_ciphers("AES256")
@@ -3555,7 +3545,8 @@ if _have_threads:
# TLS 1.3 ciphers are always enabled
expected_algs.extend(["TLS_CHACHA20", "TLS_AES"])
- stats = server_params_test(client_context, server_context)
+ stats = server_params_test(client_context, server_context,
+ sni_name=hostname)
ciphers = stats['server_shared_ciphers'][0]
self.assertGreater(len(ciphers), 0)
for name, tls_version, bits in ciphers:
@@ -3595,14 +3586,13 @@ if _have_threads:
self.assertEqual(s.recv(1024), TEST_DATA)
def test_session(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, server_context, hostname = testing_context()
+ # TODO: sessions aren't compatible with TLSv1.3 yet
+ client_context.options |= ssl.OP_NO_TLSv1_3
# first connection without session
- stats = server_params_test(client_context, server_context)
+ stats = server_params_test(client_context, server_context,
+ sni_name=hostname)
session = stats['session']
self.assertTrue(session.id)
self.assertGreater(session.time, 0)
@@ -3616,7 +3606,8 @@ if _have_threads:
self.assertEqual(sess_stat['hits'], 0)
# reuse session
- stats = server_params_test(client_context, server_context, session=session)
+ stats = server_params_test(client_context, server_context,
+ session=session, sni_name=hostname)
sess_stat = server_context.session_stats()
self.assertEqual(sess_stat['accept'], 2)
self.assertEqual(sess_stat['hits'], 1)
@@ -3629,7 +3620,8 @@ if _have_threads:
self.assertGreaterEqual(session2.timeout, session.timeout)
# another one without session
- stats = server_params_test(client_context, server_context)
+ stats = server_params_test(client_context, server_context,
+ sni_name=hostname)
self.assertFalse(stats['session_reused'])
session3 = stats['session']
self.assertNotEqual(session3.id, session.id)
@@ -3639,7 +3631,8 @@ if _have_threads:
self.assertEqual(sess_stat['hits'], 1)
# reuse session again
- stats = server_params_test(client_context, server_context, session=session)
+ stats = server_params_test(client_context, server_context,
+ session=session, sni_name=hostname)
self.assertTrue(stats['session_reused'])
session4 = stats['session']
self.assertEqual(session4.id, session.id)
--
2.21.0
From 743c3e09b485092b51a982ab9859ffc79cbb7791 Mon Sep 17 00:00:00 2001
From: Charalampos Stratakis <cstratak@redhat.com>
Date: Wed, 27 Nov 2019 00:01:17 +0100
Subject: [PATCH 4/5] Adjust some tests for TLS 1.3 compatibility
Partially backports some changes from 529525fb5a8fd9b96ab4021311a598c77588b918
and 2614ed4c6e4b32eafb683f2378ed20e87d42976d
---
Lib/test/test_ssl.py | 17 ++++++++++++++---
1 file changed, 14 insertions(+), 3 deletions(-)
diff --git a/Lib/test/test_ssl.py b/Lib/test/test_ssl.py
index a7bf2f7..43c2dbc 100644
--- a/Lib/test/test_ssl.py
+++ b/Lib/test/test_ssl.py
@@ -3189,7 +3189,12 @@ if _have_threads:
with context.wrap_socket(socket.socket()) as s:
self.assertIs(s.version(), None)
s.connect((HOST, server.port))
- self.assertEqual(s.version(), 'TLSv1')
+ if IS_OPENSSL_1_1:
+ self.assertEqual(s.version(), 'TLSv1.3')
+ elif ssl.OPENSSL_VERSION_INFO >= (1, 0, 2):
+ self.assertEqual(s.version(), 'TLSv1.2')
+ else: # 0.9.8 to 1.0.1
+ self.assertIn(s.version(), ('TLSv1', 'TLSv1.2'))
self.assertIs(s.version(), None)
@unittest.skipUnless(ssl.HAS_TLSv1_3,
@@ -3259,7 +3264,10 @@ if _have_threads:
# check if it is sane
self.assertIsNotNone(cb_data)
- self.assertEqual(len(cb_data), 12) # True for TLSv1
+ if s.version() == 'TLSv1.3':
+ self.assertEqual(len(cb_data), 48)
+ else:
+ self.assertEqual(len(cb_data), 12) # True for TLSv1
# and compare with the peers version
s.write(b"CB tls-unique\n")
@@ -3283,7 +3291,10 @@ if _have_threads:
# is it really unique
self.assertNotEqual(cb_data, new_cb_data)
self.assertIsNotNone(cb_data)
- self.assertEqual(len(cb_data), 12) # True for TLSv1
+ if s.version() == 'TLSv1.3':
+ self.assertEqual(len(cb_data), 48)
+ else:
+ 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,
--
2.21.0
From cd250c8a782f36c7a6f5ffabc922cb75744fa9c0 Mon Sep 17 00:00:00 2001
From: Charalampos Stratakis <cstratak@redhat.com>
Date: Tue, 26 Nov 2019 23:18:10 +0100
Subject: [PATCH 5/5] Skip the ssl tests that rely on TLSv1 and TLSv1.1
availability
---
Lib/test/test_ssl.py | 32 +++++++++++++++++++++++---------
1 file changed, 23 insertions(+), 9 deletions(-)
diff --git a/Lib/test/test_ssl.py b/Lib/test/test_ssl.py
index 43c2dbc..b35db25 100644
--- a/Lib/test/test_ssl.py
+++ b/Lib/test/test_ssl.py
@@ -39,6 +39,13 @@ IS_LIBRESSL = ssl.OPENSSL_VERSION.startswith('LibreSSL')
IS_OPENSSL_1_1 = not IS_LIBRESSL and ssl.OPENSSL_VERSION_INFO >= (1, 1, 0)
PY_SSL_DEFAULT_CIPHERS = sysconfig.get_config_var('PY_SSL_DEFAULT_CIPHERS')
+# On RHEL8 openssl disables TLSv1 and TLSv1.1 on runtime.
+# Since we don't have a good way to detect runtime changes
+# on the allowed protocols, we hardcode the default config
+# with those flags.
+TLSv1_enabled = False
+TLSv1_1_enabled = False
+
def data_file(*name):
return os.path.join(os.path.dirname(__file__), *name)
@@ -2380,7 +2387,8 @@ if _have_threads:
if support.verbose:
sys.stdout.write("\n")
for protocol in PROTOCOLS:
- if protocol in {ssl.PROTOCOL_TLS_CLIENT, ssl.PROTOCOL_TLS_SERVER}:
+ if protocol in {ssl.PROTOCOL_TLS_CLIENT, ssl.PROTOCOL_TLS_SERVER,
+ ssl.PROTOCOL_TLSv1, ssl.PROTOCOL_TLSv1_1}:
continue
with self.subTest(protocol=ssl._PROTOCOL_NAMES[protocol]):
context = ssl.SSLContext(protocol)
@@ -2650,17 +2658,20 @@ if _have_threads:
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 TLSv1_enabled:
+ 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 TLSv1_enabled:
+ 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)
+ if TLSv1_enabled:
+ try_protocol_combo(ssl.PROTOCOL_SSLv23, ssl.PROTOCOL_TLSv1, 'TLSv1', ssl.CERT_REQUIRED)
# Server with specific SSL options
if hasattr(ssl, 'PROTOCOL_SSLv3'):
@@ -2698,9 +2709,10 @@ if _have_threads:
"""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 TLSv1_enabled:
+ 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'):
@@ -2716,7 +2728,8 @@ if _have_threads:
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 TLSv1_1_enabled:
+ 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'):
@@ -2724,7 +2737,8 @@ if _have_threads:
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')
+ if TLSv1_1_enabled:
+ 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)
--
2.21.0