commit a18137385f574603535b29ad935f496d307ab3ae
author Nathaniel J. Smith <njs@pobox.com> Thu Aug 01 21:32:13 2019 -0700
committer Alex Gaynor <alex.gaynor@gmail.com> Fri Aug 02 00:32:13 2019 -0400
tree 1393938d0f8db3fd6582c078165a25923ae997ce
parent a539b4ccb4788ed0b6c47edcfa7a123e4522fa3e

Expose OP_NO_TLSv1_3 (#861)

* Expose OP_NO_TLSv1_3

* Support openssl <1.1.1

src/OpenSSL/SSL.py

diff --git a/src/OpenSSL/SSL.py b/src/OpenSSL/SSL.py
index eeb92f6..5521151 100644
--- a/src/OpenSSL/SSL.py
+++ b/src/OpenSSL/SSL.py
@@ -46,6 +46,7 @@
     'OP_NO_TLSv1',
     'OP_NO_TLSv1_1',
     'OP_NO_TLSv1_2',
+    'OP_NO_TLSv1_3',
     'MODE_RELEASE_BUFFERS',
     'OP_SINGLE_DH_USE',
     'OP_SINGLE_ECDH_USE',
@@ -139,6 +140,10 @@
 OP_NO_TLSv1 = _lib.SSL_OP_NO_TLSv1
 OP_NO_TLSv1_1 = _lib.SSL_OP_NO_TLSv1_1
 OP_NO_TLSv1_2 = _lib.SSL_OP_NO_TLSv1_2
+try:
+    OP_NO_TLSv1_3 = _lib.SSL_OP_NO_TLSv1_3
+except AttributeError:
+    pass
 
 MODE_RELEASE_BUFFERS = _lib.SSL_MODE_RELEASE_BUFFERS