diff options
Diffstat (limited to 'test/modules/tls/test_06_ciphers.py')
| -rw-r--r-- | test/modules/tls/test_06_ciphers.py | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/test/modules/tls/test_06_ciphers.py b/test/modules/tls/test_06_ciphers.py new file mode 100644 index 0000000..2e60bdd --- /dev/null +++ b/test/modules/tls/test_06_ciphers.py @@ -0,0 +1,209 @@ +import re +from datetime import timedelta + +import pytest + +from .env import TlsTestEnv +from .conf import TlsTestConf + + +class TestCiphers: + + @pytest.fixture(autouse=True, scope='class') + def _class_scope(self, env): + conf = TlsTestConf(env=env, extras={ + 'base': "TLSHonorClientOrder off", + }) + conf.add_tls_vhosts(domains=[env.domain_a, env.domain_b]) + conf.install() + assert env.apache_restart() == 0 + + @pytest.fixture(autouse=True, scope='function') + def _function_scope(self, env): + pass + + def _get_protocol_cipher(self, output: str): + protocol = None + cipher = None + for line in output.splitlines(): + m = re.match(r'^\s+Protocol\s*:\s*(\S+)$', line) + if m: + protocol = m.group(1) + continue + m = re.match(r'^\s+Cipher\s*:\s*(\S+)$', line) + if m: + cipher = m.group(1) + return protocol, cipher + + def test_tls_06_ciphers_ecdsa(self, env): + ecdsa_1_2 = [c for c in env.RUSTLS_CIPHERS + if c.max_version == 1.2 and c.flavour == 'ECDSA'][0] + # client speaks only this cipher, see that it gets it + r = env.openssl_client(env.domain_b, extra_args=[ + "-cipher", ecdsa_1_2.openssl_name, "-tls1_2" + ]) + protocol, cipher = self._get_protocol_cipher(r.stdout) + assert protocol == "TLSv1.2", r.stdout + assert cipher == ecdsa_1_2.openssl_name, r.stdout + + def test_tls_06_ciphers_rsa(self, env): + rsa_1_2 = [c for c in env.RUSTLS_CIPHERS + if c.max_version == 1.2 and c.flavour == 'RSA'][0] + # client speaks only this cipher, see that it gets it + r = env.openssl_client(env.domain_b, extra_args=[ + "-cipher", rsa_1_2.openssl_name, "-tls1_2" + ]) + protocol, cipher = self._get_protocol_cipher(r.stdout) + assert protocol == "TLSv1.2", r.stdout + assert cipher == rsa_1_2.openssl_name, r.stdout + + @pytest.mark.parametrize("cipher", [ + c for c in TlsTestEnv.RUSTLS_CIPHERS if c.max_version == 1.2 and c.flavour == 'ECDSA' + ], ids=[ + c.name for c in TlsTestEnv.RUSTLS_CIPHERS if c.max_version == 1.2 and c.flavour == 'ECDSA' + ]) + def test_tls_06_ciphers_server_prefer_ecdsa(self, env, cipher): + # Select a ECSDA ciphers as preference and suppress all RSA ciphers. + # The last is not strictly necessary since rustls prefers ECSDA anyway + suppress_names = [c.name for c in env.RUSTLS_CIPHERS + if c.max_version == 1.2 and c.flavour == 'RSA'] + conf = TlsTestConf(env=env, extras={ + env.domain_b: [ + "TLSHonorClientOrder off", + f"TLSCiphersPrefer {cipher.name}", + f"TLSCiphersSuppress {':'.join(suppress_names)}", + ] + }) + conf.add_tls_vhosts(domains=[env.domain_a, env.domain_b]) + conf.install() + assert env.apache_restart() == 0 + r = env.openssl_client(env.domain_b, extra_args=["-tls1_2"]) + client_proto, client_cipher = self._get_protocol_cipher(r.stdout) + assert client_proto == "TLSv1.2", r.stdout + assert client_cipher == cipher.openssl_name, r.stdout + + @pytest.mark.skip(reason="Wrong certified key selected by rustls") + # see <https://github.com/rustls/rustls-ffi/issues/236> + @pytest.mark.parametrize("cipher", [ + c for c in TlsTestEnv.RUSTLS_CIPHERS if c.max_version == 1.2 and c.flavour == 'RSA' + ], ids=[ + c.name for c in TlsTestEnv.RUSTLS_CIPHERS if c.max_version == 1.2 and c.flavour == 'RSA' + ]) + def test_tls_06_ciphers_server_prefer_rsa(self, env, cipher): + # Select a RSA ciphers as preference and suppress all ECDSA ciphers. + # The last is necessary since rustls prefers ECSDA and openssl leaks that it can. + suppress_names = [c.name for c in env.RUSTLS_CIPHERS + if c.max_version == 1.2 and c.flavour == 'ECDSA'] + conf = TlsTestConf(env=env, extras={ + env.domain_b: [ + "TLSHonorClientOrder off", + f"TLSCiphersPrefer {cipher.name}", + f"TLSCiphersSuppress {':'.join(suppress_names)}", + ] + }) + conf.add_tls_vhosts(domains=[env.domain_a, env.domain_b]) + conf.install() + assert env.apache_restart() == 0 + r = env.openssl_client(env.domain_b, extra_args=["-tls1_2"]) + client_proto, client_cipher = self._get_protocol_cipher(r.stdout) + assert client_proto == "TLSv1.2", r.stdout + assert client_cipher == cipher.openssl_name, r.stdout + + @pytest.mark.skip(reason="Wrong certified key selected by rustls") + # see <https://github.com/rustls/rustls-ffi/issues/236> + @pytest.mark.parametrize("cipher", [ + c for c in TlsTestEnv.RUSTLS_CIPHERS if c.max_version == 1.2 and c.flavour == 'RSA' + ], ids=[ + c.openssl_name for c in TlsTestEnv.RUSTLS_CIPHERS if c.max_version == 1.2 and c.flavour == 'RSA' + ]) + def test_tls_06_ciphers_server_prefer_rsa_alias(self, env, cipher): + # same as above, but using openssl names for ciphers + suppress_names = [c.openssl_name for c in env.RUSTLS_CIPHERS + if c.max_version == 1.2 and c.flavour == 'ECDSA'] + conf = TlsTestConf(env=env, extras={ + env.domain_b: [ + "TLSHonorClientOrder off", + f"TLSCiphersPrefer {cipher.openssl_name}", + f"TLSCiphersSuppress {':'.join(suppress_names)}", + ] + }) + conf.add_tls_vhosts(domains=[env.domain_a, env.domain_b]) + conf.install() + assert env.apache_restart() == 0 + r = env.openssl_client(env.domain_b, extra_args=["-tls1_2"]) + client_proto, client_cipher = self._get_protocol_cipher(r.stdout) + assert client_proto == "TLSv1.2", r.stdout + assert client_cipher == cipher.openssl_name, r.stdout + + @pytest.mark.skip(reason="Wrong certified key selected by rustls") + # see <https://github.com/rustls/rustls-ffi/issues/236> + @pytest.mark.parametrize("cipher", [ + c for c in TlsTestEnv.RUSTLS_CIPHERS if c.max_version == 1.2 and c.flavour == 'RSA' + ], ids=[ + c.id_name for c in TlsTestEnv.RUSTLS_CIPHERS if c.max_version == 1.2 and c.flavour == 'RSA' + ]) + def test_tls_06_ciphers_server_prefer_rsa_id(self, env, cipher): + # same as above, but using openssl names for ciphers + suppress_names = [c.id_name for c in env.RUSTLS_CIPHERS + if c.max_version == 1.2 and c.flavour == 'ECDSA'] + conf = TlsTestConf(env=env, extras={ + env.domain_b: [ + "TLSHonorClientOrder off", + f"TLSCiphersPrefer {cipher.id_name}", + f"TLSCiphersSuppress {':'.join(suppress_names)}", + ] + }) + conf.add_tls_vhosts(domains=[env.domain_a, env.domain_b]) + conf.install() + assert env.apache_restart() == 0 + r = env.openssl_client(env.domain_b, extra_args=["-tls1_2"]) + client_proto, client_cipher = self._get_protocol_cipher(r.stdout) + assert client_proto == "TLSv1.2", r.stdout + assert client_cipher == cipher.openssl_name, r.stdout + + def test_tls_06_ciphers_pref_unknown(self, env): + conf = TlsTestConf(env=env, extras={ + env.domain_b: "TLSCiphersPrefer TLS_MY_SUPER_CIPHER:SSL_WHAT_NOT" + }) + conf.add_tls_vhosts(domains=[env.domain_a, env.domain_b]) + conf.install() + assert env.apache_restart() != 0 + # get a working config again, so that subsequent test cases do not stumble + conf = TlsTestConf(env=env) + conf.add_tls_vhosts(domains=[env.domain_a, env.domain_b]) + conf.install() + env.apache_restart() + + def test_tls_06_ciphers_pref_unsupported(self, env): + # a warning on preferring a known, but not supported cipher + env.httpd_error_log.ignore_recent() + conf = TlsTestConf(env=env, extras={ + env.domain_b: "TLSCiphersPrefer TLS_NULL_WITH_NULL_NULL" + }) + conf.add_tls_vhosts(domains=[env.domain_a, env.domain_b]) + conf.install() + assert env.apache_restart() == 0 + (errors, warnings) = env.httpd_error_log.get_recent_count() + assert errors == 0 + assert warnings == 2 # once on dry run, once on start + + def test_tls_06_ciphers_supp_unknown(self, env): + conf = TlsTestConf(env=env, extras={ + env.domain_b: "TLSCiphersSuppress TLS_MY_SUPER_CIPHER:SSL_WHAT_NOT" + }) + conf.add_tls_vhosts(domains=[env.domain_a, env.domain_b]) + conf.install() + assert env.apache_restart() != 0 + + def test_tls_06_ciphers_supp_unsupported(self, env): + # no warnings on suppressing known, but not supported ciphers + env.httpd_error_log.ignore_recent() + conf = TlsTestConf(env=env, extras={ + env.domain_b: "TLSCiphersSuppress TLS_NULL_WITH_NULL_NULL" + }) + conf.add_tls_vhosts(domains=[env.domain_a, env.domain_b]) + conf.install() + assert env.apache_restart() == 0 + (errors, warnings) = env.httpd_error_log.get_recent_count() + assert errors == 0 + assert warnings == 0 |