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-rw-r--r--Doc/library/ssl.rst14
-rw-r--r--Lib/asyncio/selector_events.py2
-rw-r--r--Lib/ftplib.py6
-rw-r--r--Lib/http/client.py3
-rw-r--r--Lib/imaplib.py6
-rw-r--r--Lib/nntplib.py3
-rw-r--r--Lib/poplib.py6
-rwxr-xr-xLib/smtplib.py6
-rw-r--r--Lib/ssl.py7
-rw-r--r--Lib/test/test_asyncio/test_events.py8
-rw-r--r--Lib/test/test_asyncio/test_selector_events.py2
-rw-r--r--Lib/test/test_ftplib.py4
-rw-r--r--Lib/test/test_imaplib.py4
-rw-r--r--Lib/test/test_poplib.py4
-rw-r--r--Lib/test/test_ssl.py8
-rw-r--r--Modules/_ssl.c6
16 files changed, 22 insertions, 67 deletions
diff --git a/Doc/library/ssl.rst b/Doc/library/ssl.rst
index fb20793..1a0b1da 100644
--- a/Doc/library/ssl.rst
+++ b/Doc/library/ssl.rst
@@ -664,8 +664,7 @@ Constants
.. data:: HAS_SNI
Whether the OpenSSL library has built-in support for the *Server Name
- Indication* extension (as defined in :rfc:`4366`). When true, you can
- use the *server_hostname* argument to :meth:`SSLContext.wrap_socket`.
+ Indication* extension (as defined in :rfc:`4366`).
.. versionadded:: 3.2
@@ -1227,11 +1226,12 @@ to speed up repeated connections from the same clients.
On client connections, the optional parameter *server_hostname* specifies
the hostname of the service which we are connecting to. This allows a
single server to host multiple SSL-based services with distinct certificates,
- quite similarly to HTTP virtual hosts. Specifying *server_hostname*
- will raise a :exc:`ValueError` if the OpenSSL library doesn't have support
- for it (that is, if :data:`HAS_SNI` is :const:`False`). Specifying
- *server_hostname* will also raise a :exc:`ValueError` if *server_side*
- is true.
+ quite similarly to HTTP virtual hosts. Specifying *server_hostname* will
+ raise a :exc:`ValueError` if *server_side* is true.
+
+ .. versionchanged:: 3.5
+ Always allow a server_hostname to be passed, even if OpenSSL does not
+ have SNI.
.. method:: SSLContext.session_stats()
diff --git a/Lib/asyncio/selector_events.py b/Lib/asyncio/selector_events.py
index f0c94c4..7df8b86 100644
--- a/Lib/asyncio/selector_events.py
+++ b/Lib/asyncio/selector_events.py
@@ -708,7 +708,7 @@ class _SelectorSslTransport(_SelectorTransport):
'server_side': server_side,
'do_handshake_on_connect': False,
}
- if server_hostname and not server_side and ssl.HAS_SNI:
+ if server_hostname and not server_side:
wrap_kwargs['server_hostname'] = server_hostname
sslsock = sslcontext.wrap_socket(rawsock, **wrap_kwargs)
diff --git a/Lib/ftplib.py b/Lib/ftplib.py
index c83be2b..9c73f5f 100644
--- a/Lib/ftplib.py
+++ b/Lib/ftplib.py
@@ -747,9 +747,8 @@ else:
resp = self.voidcmd('AUTH TLS')
else:
resp = self.voidcmd('AUTH SSL')
- server_hostname = self.host if ssl.HAS_SNI else None
self.sock = self.context.wrap_socket(self.sock,
- server_hostname=server_hostname)
+ server_hostname=self.host)
self.file = self.sock.makefile(mode='r', encoding=self.encoding)
return resp
@@ -788,9 +787,8 @@ else:
def ntransfercmd(self, cmd, rest=None):
conn, size = FTP.ntransfercmd(self, cmd, rest)
if self._prot_p:
- server_hostname = self.host if ssl.HAS_SNI else None
conn = self.context.wrap_socket(conn,
- server_hostname=server_hostname)
+ server_hostname=self.host)
return conn, size
def abort(self):
diff --git a/Lib/http/client.py b/Lib/http/client.py
index b4cdec4..cb1a535 100644
--- a/Lib/http/client.py
+++ b/Lib/http/client.py
@@ -1224,10 +1224,9 @@ else:
server_hostname = self._tunnel_host
else:
server_hostname = self.host
- sni_hostname = server_hostname if ssl.HAS_SNI else None
self.sock = self._context.wrap_socket(self.sock,
- server_hostname=sni_hostname)
+ server_hostname=server_hostname)
if not self._context.check_hostname and self._check_hostname:
try:
ssl.match_hostname(self.sock.getpeercert(), server_hostname)
diff --git a/Lib/imaplib.py b/Lib/imaplib.py
index ad104fe..72ab5d7 100644
--- a/Lib/imaplib.py
+++ b/Lib/imaplib.py
@@ -745,9 +745,8 @@ class IMAP4:
ssl_context = ssl._create_stdlib_context()
typ, dat = self._simple_command(name)
if typ == 'OK':
- server_hostname = self.host if ssl.HAS_SNI else None
self.sock = ssl_context.wrap_socket(self.sock,
- server_hostname=server_hostname)
+ server_hostname=self.host)
self.file = self.sock.makefile('rb')
self._tls_established = True
self._get_capabilities()
@@ -1223,9 +1222,8 @@ if HAVE_SSL:
def _create_socket(self):
sock = IMAP4._create_socket(self)
- server_hostname = self.host if ssl.HAS_SNI else None
return self.ssl_context.wrap_socket(sock,
- server_hostname=server_hostname)
+ server_hostname=self.host)
def open(self, host='', port=IMAP4_SSL_PORT):
"""Setup connection to remote server on "host:port".
diff --git a/Lib/nntplib.py b/Lib/nntplib.py
index d33faf8..bcf7d1b 100644
--- a/Lib/nntplib.py
+++ b/Lib/nntplib.py
@@ -289,8 +289,7 @@ if _have_ssl:
# Generate a default SSL context if none was passed.
if context is None:
context = ssl._create_stdlib_context()
- server_hostname = hostname if ssl.HAS_SNI else None
- return context.wrap_socket(sock, server_hostname=server_hostname)
+ return context.wrap_socket(sock, server_hostname=hostname)
# The classes themselves
diff --git a/Lib/poplib.py b/Lib/poplib.py
index 2b0e3d5..8ad9cb7 100644
--- a/Lib/poplib.py
+++ b/Lib/poplib.py
@@ -387,9 +387,8 @@ class POP3:
if context is None:
context = ssl._create_stdlib_context()
resp = self._shortcmd('STLS')
- server_hostname = self.host if ssl.HAS_SNI else None
self.sock = context.wrap_socket(self.sock,
- server_hostname=server_hostname)
+ server_hostname=self.host)
self.file = self.sock.makefile('rb')
self._tls_established = True
return resp
@@ -430,9 +429,8 @@ if HAVE_SSL:
def _create_socket(self, timeout):
sock = POP3._create_socket(self, timeout)
- server_hostname = self.host if ssl.HAS_SNI else None
sock = self.context.wrap_socket(sock,
- server_hostname=server_hostname)
+ server_hostname=self.host)
return sock
def stls(self, keyfile=None, certfile=None, context=None):
diff --git a/Lib/smtplib.py b/Lib/smtplib.py
index 09b4ea6..fa7f9e6 100755
--- a/Lib/smtplib.py
+++ b/Lib/smtplib.py
@@ -684,9 +684,8 @@ class SMTP:
if context is None:
context = ssl._create_stdlib_context(certfile=certfile,
keyfile=keyfile)
- server_hostname = self._host if ssl.HAS_SNI else None
self.sock = context.wrap_socket(self.sock,
- server_hostname=server_hostname)
+ server_hostname=self._host)
self.file = None
# RFC 3207:
# The client MUST discard any knowledge obtained from
@@ -915,9 +914,8 @@ if _have_ssl:
print('connect:', (host, port), file=stderr)
new_socket = socket.create_connection((host, port), timeout,
self.source_address)
- server_hostname = self._host if ssl.HAS_SNI else None
new_socket = self.context.wrap_socket(new_socket,
- server_hostname=server_hostname)
+ server_hostname=self._host)
return new_socket
__all__.append("SMTP_SSL")
diff --git a/Lib/ssl.py b/Lib/ssl.py
index 2b81b79..3d4997c 100644
--- a/Lib/ssl.py
+++ b/Lib/ssl.py
@@ -538,12 +538,7 @@ class SSLSocket(socket):
raise ValueError("server_hostname can only be specified "
"in client mode")
if self._context.check_hostname and not server_hostname:
- if HAS_SNI:
- raise ValueError("check_hostname requires server_hostname")
- else:
- raise ValueError("check_hostname requires server_hostname, "
- "but it's not supported by your OpenSSL "
- "library")
+ raise ValueError("check_hostname requires server_hostname")
self.server_side = server_side
self.server_hostname = server_hostname
self.do_handshake_on_connect = do_handshake_on_connect
diff --git a/Lib/test/test_asyncio/test_events.py b/Lib/test/test_asyncio/test_events.py
index fab3259..ea657fd 100644
--- a/Lib/test/test_asyncio/test_events.py
+++ b/Lib/test/test_asyncio/test_events.py
@@ -12,9 +12,6 @@ try:
import ssl
except ImportError:
ssl = None
- HAS_SNI = False
-else:
- from ssl import HAS_SNI
import subprocess
import sys
import threading
@@ -857,7 +854,6 @@ class EventLoopTestsMixin:
server.close()
@unittest.skipIf(ssl is None, 'No ssl module')
- @unittest.skipUnless(HAS_SNI, 'No SNI support in ssl module')
def test_create_server_ssl_verify_failed(self):
proto = MyProto(loop=self.loop)
server, host, port = self._make_ssl_server(
@@ -882,7 +878,6 @@ class EventLoopTestsMixin:
server.close()
@unittest.skipIf(ssl is None, 'No ssl module')
- @unittest.skipUnless(HAS_SNI, 'No SNI support in ssl module')
@unittest.skipUnless(hasattr(socket, 'AF_UNIX'), 'No UNIX Sockets')
def test_create_unix_server_ssl_verify_failed(self):
proto = MyProto(loop=self.loop)
@@ -909,7 +904,6 @@ class EventLoopTestsMixin:
server.close()
@unittest.skipIf(ssl is None, 'No ssl module')
- @unittest.skipUnless(HAS_SNI, 'No SNI support in ssl module')
def test_create_server_ssl_match_failed(self):
proto = MyProto(loop=self.loop)
server, host, port = self._make_ssl_server(
@@ -937,7 +931,6 @@ class EventLoopTestsMixin:
server.close()
@unittest.skipIf(ssl is None, 'No ssl module')
- @unittest.skipUnless(HAS_SNI, 'No SNI support in ssl module')
@unittest.skipUnless(hasattr(socket, 'AF_UNIX'), 'No UNIX Sockets')
def test_create_unix_server_ssl_verified(self):
proto = MyProto(loop=self.loop)
@@ -963,7 +956,6 @@ class EventLoopTestsMixin:
server.close()
@unittest.skipIf(ssl is None, 'No ssl module')
- @unittest.skipUnless(HAS_SNI, 'No SNI support in ssl module')
def test_create_server_ssl_verified(self):
proto = MyProto(loop=self.loop)
server, host, port = self._make_ssl_server(
diff --git a/Lib/test/test_asyncio/test_selector_events.py b/Lib/test/test_asyncio/test_selector_events.py
index 528da39..8eba56c 100644
--- a/Lib/test/test_asyncio/test_selector_events.py
+++ b/Lib/test/test_asyncio/test_selector_events.py
@@ -1408,7 +1408,7 @@ class SelectorSslTransportTests(test_utils.TestCase):
self.assertEqual(tr._conn_lost, 1)
self.assertEqual(1, self.loop.remove_reader_count[1])
- @unittest.skipIf(ssl is None or not ssl.HAS_SNI, 'No SNI support')
+ @unittest.skipIf(ssl is None, 'No SSL support')
def test_server_hostname(self):
_SelectorSslTransport(
self.loop, self.sock, self.protocol, self.sslcontext,
diff --git a/Lib/test/test_ftplib.py b/Lib/test/test_ftplib.py
index a9bf30b..fa9c6f4 100644
--- a/Lib/test/test_ftplib.py
+++ b/Lib/test/test_ftplib.py
@@ -15,9 +15,6 @@ try:
import ssl
except ImportError:
ssl = None
- HAS_SNI = False
-else:
- from ssl import HAS_SNI
from unittest import TestCase, skipUnless
from test import support
@@ -927,7 +924,6 @@ class TestTLS_FTPClass(TestCase):
self.client.ccc()
self.assertRaises(ValueError, self.client.sock.unwrap)
- @skipUnless(HAS_SNI, 'No SNI support in ssl module')
def test_check_hostname(self):
self.client.quit()
ctx = ssl.SSLContext(ssl.PROTOCOL_TLSv1)
diff --git a/Lib/test/test_imaplib.py b/Lib/test/test_imaplib.py
index a6d83d4..b34e652 100644
--- a/Lib/test/test_imaplib.py
+++ b/Lib/test/test_imaplib.py
@@ -18,9 +18,6 @@ try:
import ssl
except ImportError:
ssl = None
- HAS_SNI = False
-else:
- from ssl import HAS_SNI
CERTFILE = None
CAFILE = None
@@ -352,7 +349,6 @@ class ThreadedNetworkedTestsSSL(BaseThreadedNetworkedTests):
imap_class = IMAP4_SSL
@reap_threads
- @unittest.skipUnless(HAS_SNI, 'No SNI support in ssl module')
def test_ssl_verified(self):
ssl_context = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
ssl_context.verify_mode = ssl.CERT_REQUIRED
diff --git a/Lib/test/test_poplib.py b/Lib/test/test_poplib.py
index d076fc1..8a3c9f4 100644
--- a/Lib/test/test_poplib.py
+++ b/Lib/test/test_poplib.py
@@ -21,13 +21,10 @@ PORT = 0
SUPPORTS_SSL = False
if hasattr(poplib, 'POP3_SSL'):
import ssl
- from ssl import HAS_SNI
SUPPORTS_SSL = True
CERTFILE = os.path.join(os.path.dirname(__file__) or os.curdir, "keycert3.pem")
CAFILE = os.path.join(os.path.dirname(__file__) or os.curdir, "pycacert.pem")
-else:
- HAS_SNI = False
requires_ssl = skipUnless(SUPPORTS_SSL, 'SSL not supported')
@@ -334,7 +331,6 @@ class TestPOP3Class(TestCase):
self.assertEqual(resp, expected)
@requires_ssl
- @skipUnless(HAS_SNI, 'No SNI support in ssl module')
def test_stls_context(self):
expected = b'+OK Begin TLS negotiation'
ctx = ssl.SSLContext(ssl.PROTOCOL_TLSv1)
diff --git a/Lib/test/test_ssl.py b/Lib/test/test_ssl.py
index 7f1f405..928f5e6 100644
--- a/Lib/test/test_ssl.py
+++ b/Lib/test/test_ssl.py
@@ -1281,11 +1281,8 @@ class NetworkedTests(unittest.TestCase):
# Same with a server hostname
s = ctx.wrap_socket(socket.socket(socket.AF_INET),
server_hostname="svn.python.org")
- if ssl.HAS_SNI:
- s.connect(("svn.python.org", 443))
- s.close()
- else:
- self.assertRaises(ValueError, s.connect, ("svn.python.org", 443))
+ s.connect(("svn.python.org", 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))
@@ -2038,7 +2035,6 @@ else:
cert = s.getpeercert()
self.assertTrue(cert, "Can't get peer certificate.")
- @needs_sni
def test_check_hostname(self):
if support.verbose:
sys.stdout.write("\n")
diff --git a/Modules/_ssl.c b/Modules/_ssl.c
index 5a9a13b..90bca98 100644
--- a/Modules/_ssl.c
+++ b/Modules/_ssl.c
@@ -2806,12 +2806,6 @@ context_wrap_socket(PySSLContext *self, PyObject *args, PyObject *kwds)
&sock, &server_side,
"idna", &hostname))
return NULL;
-#if !HAVE_SNI
- PyMem_Free(hostname);
- PyErr_SetString(PyExc_ValueError, "server_hostname is not supported "
- "by your OpenSSL library");
- return NULL;
-#endif
}
res = (PyObject *) newPySSLSocket(self, sock, server_side,