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Issue #22560: New SSL implementation based on ssl.MemoryBIO

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The new SSL implementation is based on the new ssl.MemoryBIO which is only
available on Python 3.5. On Python 3.4 and older, the legacy SSL implementation
(using SSL_write, SSL_read, etc.) is used. The proactor event loop only
supports the new implementation.

The new asyncio.sslproto module adds _SSLPipe, SSLProtocol and
_SSLProtocolTransport classes. _SSLPipe allows to "wrap" or "unwrap" a socket
(switch between cleartext and SSL/TLS).

Patch written by Antoine Pitrou. sslproto.py is based on gruvi/ssl.py of the
gruvi project written by Geert Jansen.

This change adds SSL support to ProactorEventLoop on Python 3.5 and newer!

It becomes also possible to implement STARTTTLS: switch a cleartext socket to
SSL.
This commit is contained in:
Victor Stinner 2015-01-14 00:19:09 +01:00
parent 9036e49ba1
commit 231b404cb0
6 changed files with 747 additions and 38 deletions
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5
Lib/asyncio/test_utils.py
View file

@ -434,3 +434,8 @@ def mock_nonblocking_socket():
sock = mock.Mock(socket.socket)
sock.gettimeout.return_value = 0.0
return sock
def force_legacy_ssl_support():
return mock.patch('asyncio.sslproto._is_sslproto_available',
return_value=False)