diff options
Diffstat (limited to 'tests/config/test_tls.py')
| -rw-r--r-- | tests/config/test_tls.py | 115 |
1 files changed, 114 insertions, 1 deletions
diff --git a/tests/config/test_tls.py b/tests/config/test_tls.py index a5d88d644a..4f8a87a3df 100644 --- a/tests/config/test_tls.py +++ b/tests/config/test_tls.py @@ -1,5 +1,6 @@ # -*- coding: utf-8 -*- # Copyright 2019 New Vector Ltd +# Copyright 2019 Matrix.org Foundation C.I.C. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. @@ -15,7 +16,10 @@ import os -from synapse.config.tls import TlsConfig +from OpenSSL import SSL + +from synapse.config.tls import ConfigError, TlsConfig +from synapse.crypto.context_factory import ClientTLSOptionsFactory from tests.unittest import TestCase @@ -78,3 +82,112 @@ s4niecZKPBizL6aucT59CsunNmmb5Glq8rlAcU+1ZTZZzGYqVYhF6axB9Qg= "or use Synapse's ACME support to provision one." ), ) + + def test_tls_client_minimum_default(self): + """ + The default client TLS version is 1.0. + """ + config = {} + t = TestConfig() + t.read_config(config, config_dir_path="", data_dir_path="") + + self.assertEqual(t.federation_client_minimum_tls_version, "1") + + def test_tls_client_minimum_set(self): + """ + The default client TLS version can be set to 1.0, 1.1, and 1.2. + """ + config = {"federation_client_minimum_tls_version": 1} + t = TestConfig() + t.read_config(config, config_dir_path="", data_dir_path="") + self.assertEqual(t.federation_client_minimum_tls_version, "1") + + config = {"federation_client_minimum_tls_version": 1.1} + t = TestConfig() + t.read_config(config, config_dir_path="", data_dir_path="") + self.assertEqual(t.federation_client_minimum_tls_version, "1.1") + + config = {"federation_client_minimum_tls_version": 1.2} + t = TestConfig() + t.read_config(config, config_dir_path="", data_dir_path="") + self.assertEqual(t.federation_client_minimum_tls_version, "1.2") + + # Also test a string version + config = {"federation_client_minimum_tls_version": "1"} + t = TestConfig() + t.read_config(config, config_dir_path="", data_dir_path="") + self.assertEqual(t.federation_client_minimum_tls_version, "1") + + config = {"federation_client_minimum_tls_version": "1.2"} + t = TestConfig() + t.read_config(config, config_dir_path="", data_dir_path="") + self.assertEqual(t.federation_client_minimum_tls_version, "1.2") + + def test_tls_client_minimum_1_point_3_missing(self): + """ + If TLS 1.3 support is missing and it's configured, it will raise a + ConfigError. + """ + # thanks i hate it + if hasattr(SSL, "OP_NO_TLSv1_3"): + OP_NO_TLSv1_3 = SSL.OP_NO_TLSv1_3 + delattr(SSL, "OP_NO_TLSv1_3") + self.addCleanup(setattr, SSL, "SSL.OP_NO_TLSv1_3", OP_NO_TLSv1_3) + assert not hasattr(SSL, "OP_NO_TLSv1_3") + + config = {"federation_client_minimum_tls_version": 1.3} + t = TestConfig() + with self.assertRaises(ConfigError) as e: + t.read_config(config, config_dir_path="", data_dir_path="") + self.assertEqual( + e.exception.args[0], + ( + "federation_client_minimum_tls_version cannot be 1.3, " + "your OpenSSL does not support it" + ), + ) + + def test_tls_client_minimum_1_point_3_exists(self): + """ + If TLS 1.3 support exists and it's configured, it will be settable. + """ + # thanks i hate it, still + if not hasattr(SSL, "OP_NO_TLSv1_3"): + SSL.OP_NO_TLSv1_3 = 0x00 + self.addCleanup(lambda: delattr(SSL, "OP_NO_TLSv1_3")) + assert hasattr(SSL, "OP_NO_TLSv1_3") + + config = {"federation_client_minimum_tls_version": 1.3} + t = TestConfig() + t.read_config(config, config_dir_path="", data_dir_path="") + self.assertEqual(t.federation_client_minimum_tls_version, "1.3") + + def test_tls_client_minimum_set_passed_through_1_2(self): + """ + The configured TLS version is correctly configured by the ContextFactory. + """ + config = {"federation_client_minimum_tls_version": 1.2} + t = TestConfig() + t.read_config(config, config_dir_path="", data_dir_path="") + + cf = ClientTLSOptionsFactory(t) + + # The context has had NO_TLSv1_1 and NO_TLSv1_0 set, but not NO_TLSv1_2 + self.assertNotEqual(cf._verify_ssl._options & SSL.OP_NO_TLSv1, 0) + self.assertNotEqual(cf._verify_ssl._options & SSL.OP_NO_TLSv1_1, 0) + self.assertEqual(cf._verify_ssl._options & SSL.OP_NO_TLSv1_2, 0) + + def test_tls_client_minimum_set_passed_through_1_0(self): + """ + The configured TLS version is correctly configured by the ContextFactory. + """ + config = {"federation_client_minimum_tls_version": 1} + t = TestConfig() + t.read_config(config, config_dir_path="", data_dir_path="") + + cf = ClientTLSOptionsFactory(t) + + # The context has not had any of the NO_TLS set. + self.assertEqual(cf._verify_ssl._options & SSL.OP_NO_TLSv1, 0) + self.assertEqual(cf._verify_ssl._options & SSL.OP_NO_TLSv1_1, 0) + self.assertEqual(cf._verify_ssl._options & SSL.OP_NO_TLSv1_2, 0) |