GH-88968: Reject socket that is already used as a transport (#98010)

This commit is contained in:
Guido van Rossum 2022-10-07 12:56:50 -07:00 committed by GitHub
parent c11b667a1d
commit c06276402b
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2 changed files with 7 additions and 0 deletions

View File

@ -58,6 +58,7 @@ class BaseSelectorEventLoop(base_events.BaseEventLoop):
def _make_socket_transport(self, sock, protocol, waiter=None, *,
extra=None, server=None):
self._ensure_fd_no_transport(sock)
return _SelectorSocketTransport(self, sock, protocol, waiter,
extra, server)
@ -68,6 +69,7 @@ class BaseSelectorEventLoop(base_events.BaseEventLoop):
ssl_handshake_timeout=constants.SSL_HANDSHAKE_TIMEOUT,
ssl_shutdown_timeout=constants.SSL_SHUTDOWN_TIMEOUT,
):
self._ensure_fd_no_transport(rawsock)
ssl_protocol = sslproto.SSLProtocol(
self, protocol, sslcontext, waiter,
server_side, server_hostname,
@ -80,6 +82,7 @@ class BaseSelectorEventLoop(base_events.BaseEventLoop):
def _make_datagram_transport(self, sock, protocol,
address=None, waiter=None, extra=None):
self._ensure_fd_no_transport(sock)
return _SelectorDatagramTransport(self, sock, protocol,
address, waiter, extra)

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@ -61,8 +61,10 @@ class BaseSelectorEventLoopTests(test_utils.TestCase):
def test_make_socket_transport(self):
m = mock.Mock()
self.loop.add_reader = mock.Mock()
self.loop._ensure_fd_no_transport = mock.Mock()
transport = self.loop._make_socket_transport(m, asyncio.Protocol())
self.assertIsInstance(transport, _SelectorSocketTransport)
self.assertEqual(self.loop._ensure_fd_no_transport.call_count, 1)
# Calling repr() must not fail when the event loop is closed
self.loop.close()
@ -78,8 +80,10 @@ class BaseSelectorEventLoopTests(test_utils.TestCase):
self.loop.add_writer = mock.Mock()
self.loop.remove_reader = mock.Mock()
self.loop.remove_writer = mock.Mock()
self.loop._ensure_fd_no_transport = mock.Mock()
with self.assertRaises(RuntimeError):
self.loop._make_ssl_transport(m, m, m, m)
self.assertEqual(self.loop._ensure_fd_no_transport.call_count, 1)
def test_close(self):
class EventLoop(BaseSelectorEventLoop):