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-rw-r--r--src/OpenSSL/SSL.py5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/OpenSSL/SSL.py b/src/OpenSSL/SSL.py
index f3c9db0..1bf6450 100644
--- a/src/OpenSSL/SSL.py
+++ b/src/OpenSSL/SSL.py
@@ -1529,6 +1529,11 @@ class Connection(object):
ssl = _lib.SSL_new(context._context)
self._ssl = _ffi.gc(ssl, _lib.SSL_free)
+ # We set SSL_MODE_AUTO_RETRY to handle situations where OpenSSL returns
+ # an SSL_ERROR_WANT_READ when processing a non-application data packet
+ # even though there is still data on the underlying transport.
+ # See https://github.com/openssl/openssl/issues/6234 for more details.
+ _lib.SSL_set_mode(self._ssl, _lib.SSL_MODE_AUTO_RETRY)
self._context = context
self._app_data = None