From: Christian Heimes Date: Wed, 6 Sep 2017 13:42:30 +0000 (-0700) Subject: [3.6] bpo-29781: Fix SSLObject.version before handshake (GH-3364) (#3381) X-Git-Tag: v3.6.3rc1~82 X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=6da379bde345926e1f7318ead973767f4d791d3e;p=python [3.6] bpo-29781: Fix SSLObject.version before handshake (GH-3364) (#3381) SSLObject.version() now correctly returns None when handshake over BIO has not been performed yet. Signed-off-by: Christian Heimes (cherry picked from commit 6877111) --- diff --git a/Lib/test/test_ssl.py b/Lib/test/test_ssl.py index 29d4b4083d..4191d9036e 100644 --- a/Lib/test/test_ssl.py +++ b/Lib/test/test_ssl.py @@ -1736,6 +1736,7 @@ class SimpleBackgroundTests(unittest.TestCase): sslobj = ctx.wrap_bio(incoming, outgoing, False, 'localhost') self.assertIs(sslobj._sslobj.owner, sslobj) self.assertIsNone(sslobj.cipher()) + self.assertIsNone(sslobj.version()) self.assertIsNotNone(sslobj.shared_ciphers()) self.assertRaises(ValueError, sslobj.getpeercert) if 'tls-unique' in ssl.CHANNEL_BINDING_TYPES: @@ -1743,6 +1744,7 @@ class SimpleBackgroundTests(unittest.TestCase): self.ssl_io_loop(sock, incoming, outgoing, sslobj.do_handshake) self.assertTrue(sslobj.cipher()) self.assertIsNotNone(sslobj.shared_ciphers()) + self.assertIsNotNone(sslobj.version()) self.assertTrue(sslobj.getpeercert()) if 'tls-unique' in ssl.CHANNEL_BINDING_TYPES: self.assertTrue(sslobj.get_channel_binding('tls-unique')) diff --git a/Misc/NEWS.d/next/Security/2017-09-05-15-26-30.bpo-29781.LwYtBP.rst b/Misc/NEWS.d/next/Security/2017-09-05-15-26-30.bpo-29781.LwYtBP.rst new file mode 100644 index 0000000000..b9106a5f74 --- /dev/null +++ b/Misc/NEWS.d/next/Security/2017-09-05-15-26-30.bpo-29781.LwYtBP.rst @@ -0,0 +1,2 @@ +SSLObject.version() now correctly returns None when handshake over BIO has +not been performed yet. diff --git a/Modules/_ssl.c b/Modules/_ssl.c index b5eab0f1c4..25fb8090f4 100644 --- a/Modules/_ssl.c +++ b/Modules/_ssl.c @@ -1695,6 +1695,10 @@ _ssl__SSLSocket_version_impl(PySSLSocket *self) if (self->ssl == NULL) Py_RETURN_NONE; + if (!SSL_is_init_finished(self->ssl)) { + /* handshake not finished */ + Py_RETURN_NONE; + } version = SSL_get_version(self->ssl); if (!strcmp(version, "unknown")) Py_RETURN_NONE;