diff options
Diffstat (limited to 'OpenSSL/test/test_ssl.py')
| -rw-r--r-- | OpenSSL/test/test_ssl.py | 188 |
1 files changed, 182 insertions, 6 deletions
diff --git a/OpenSSL/test/test_ssl.py b/OpenSSL/test/test_ssl.py index cda6d53..721c1c0 100644 --- a/OpenSSL/test/test_ssl.py +++ b/OpenSSL/test/test_ssl.py @@ -34,7 +34,8 @@ from OpenSSL.SSL import ( from OpenSSL.SSL import ( Error, SysCallError, WantReadError, ZeroReturnError, SSLeay_version) -from OpenSSL.SSL import Context, ContextType, Connection, ConnectionType +from OpenSSL.SSL import ( + Context, ContextType, Session, Connection, ConnectionType) from OpenSSL.test.util import TestCase, bytes, b from OpenSSL.test.test_crypto import ( @@ -188,16 +189,30 @@ class _LoopbackMixin: Helper mixin which defines methods for creating a connected socket pair and for forcing two connected SSL sockets to talk to each other via memory BIOs. """ - def _loopback(self): - (server, client) = socket_pair() + def _loopbackClientFactory(self, socket): + client = Connection(Context(TLSv1_METHOD), socket) + client.set_connect_state() + return client + + def _loopbackServerFactory(self, socket): ctx = Context(TLSv1_METHOD) ctx.use_privatekey(load_privatekey(FILETYPE_PEM, server_key_pem)) ctx.use_certificate(load_certificate(FILETYPE_PEM, server_cert_pem)) - server = Connection(ctx, server) + server = Connection(ctx, socket) server.set_accept_state() - client = Connection(Context(TLSv1_METHOD), client) - client.set_connect_state() + return server + + + def _loopback(self, serverFactory=None, clientFactory=None): + if serverFactory is None: + serverFactory = self._loopbackServerFactory + if clientFactory is None: + clientFactory = self._loopbackClientFactory + + (server, client) = socket_pair() + server = serverFactory(server) + client = clientFactory(client) handshake(client, server) @@ -1046,6 +1061,30 @@ class ServerNameCallbackTests(TestCase, _LoopbackMixin): +class SessionTests(TestCase): + """ + Unit tests for :py:obj:`OpenSSL.SSL.Session`. + """ + def test_construction(self): + """ + :py:class:`Session` can be constructed with no arguments, creating a new + instance of that type. + """ + new_session = Session() + self.assertTrue(isinstance(new_session, Session)) + + + def test_construction_wrong_args(self): + """ + If any arguments are passed to :py:class:`Session`, :py:obj:`TypeError` + is raised. + """ + self.assertRaises(TypeError, Session, 123) + self.assertRaises(TypeError, Session, "hello") + self.assertRaises(TypeError, Session, object()) + + + class ConnectionTests(TestCase, _LoopbackMixin): """ Unit tests for :py:obj:`OpenSSL.SSL.Connection`. @@ -1403,6 +1442,143 @@ class ConnectionTests(TestCase, _LoopbackMixin): self.assertIdentical(None, server.get_peer_cert_chain()) + def test_get_session_wrong_args(self): + """ + :py:obj:`Connection.get_session` raises :py:obj:`TypeError` if called + with any arguments. + """ + ctx = Context(TLSv1_METHOD) + server = Connection(ctx, None) + self.assertRaises(TypeError, server.get_session, 123) + self.assertRaises(TypeError, server.get_session, "hello") + self.assertRaises(TypeError, server.get_session, object()) + + + def test_get_session_unconnected(self): + """ + :py:obj:`Connection.get_session` returns :py:obj:`None` when used with + an object which has not been connected. + """ + ctx = Context(TLSv1_METHOD) + server = Connection(ctx, None) + session = server.get_session() + self.assertIdentical(None, session) + + + def test_server_get_session(self): + """ + On the server side of a connection, :py:obj:`Connection.get_session` + returns a :py:class:`Session` instance representing the SSL session for + that connection. + """ + server, client = self._loopback() + session = server.get_session() + self.assertTrue(session, Session) + + + def test_client_get_session(self): + """ + On the client side of a connection, :py:obj:`Connection.get_session` + returns a :py:class:`Session` instance representing the SSL session for + that connection. + """ + server, client = self._loopback() + session = client.get_session() + self.assertTrue(session, Session) + + + def test_set_session_wrong_args(self): + """ + If called with an object that is not an instance of :py:class:`Session`, + or with other than one argument, :py:obj:`Connection.set_session` raises + :py:obj:`TypeError`. + """ + ctx = Context(TLSv1_METHOD) + connection = Connection(ctx, None) + self.assertRaises(TypeError, connection.set_session) + self.assertRaises(TypeError, connection.set_session, 123) + self.assertRaises(TypeError, connection.set_session, "hello") + self.assertRaises(TypeError, connection.set_session, object()) + self.assertRaises( + TypeError, connection.set_session, Session(), Session()) + + + def test_client_set_session(self): + """ + :py:obj:`Connection.set_session`, when used prior to a connection being + established, accepts a :py:class:`Session` instance and causes an + attempt to re-use the session it represents when the SSL handshake is + performed. + """ + key = load_privatekey(FILETYPE_PEM, server_key_pem) + cert = load_certificate(FILETYPE_PEM, server_cert_pem) + ctx = Context(TLSv1_METHOD) + ctx.use_privatekey(key) + ctx.use_certificate(cert) + ctx.set_session_id("unity-test") + + def makeServer(socket): + server = Connection(ctx, socket) + server.set_accept_state() + return server + + originalServer, originalClient = self._loopback( + serverFactory=makeServer) + originalSession = originalClient.get_session() + + def makeClient(socket): + client = self._loopbackClientFactory(socket) + client.set_session(originalSession) + return client + resumedServer, resumedClient = self._loopback( + serverFactory=makeServer, + clientFactory=makeClient) + + # This is a proxy: in general, we have no access to any unique + # identifier for the session (new enough versions of OpenSSL expose a + # hash which could be usable, but "new enough" is very, very new). + # Instead, exploit the fact that the master key is re-used if the + # session is re-used. As long as the master key for the two connections + # is the same, the session was re-used! + self.assertEqual( + originalServer.master_key(), resumedServer.master_key()) + + + def test_set_session_wrong_method(self): + """ + If :py:obj:`Connection.set_session` is passed a :py:class:`Session` + instance associated with a context using a different SSL method than the + :py:obj:`Connection` is using, a :py:class:`OpenSSL.SSL.Error` is + raised. + """ + key = load_privatekey(FILETYPE_PEM, server_key_pem) + cert = load_certificate(FILETYPE_PEM, server_cert_pem) + ctx = Context(TLSv1_METHOD) + ctx.use_privatekey(key) + ctx.use_certificate(cert) + ctx.set_session_id("unity-test") + + def makeServer(socket): + server = Connection(ctx, socket) + server.set_accept_state() + return server + + originalServer, originalClient = self._loopback( + serverFactory=makeServer) + originalSession = originalClient.get_session() + + def makeClient(socket): + # Intentionally use a different, incompatible method here. + client = Connection(Context(SSLv3_METHOD), socket) + client.set_connect_state() + client.set_session(originalSession) + return client + + self.assertRaises( + Error, + self._loopback, clientFactory=makeClient, serverFactory=makeServer) + + class ConnectionGetCipherListTests(TestCase): """ |