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# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
# SPDX-License-Identifier: Apache-2.0
import copy
import pytest
from configuration import available_ports, ALL_TEST_CIPHERS, ALL_TEST_CURVES, ALL_TEST_CERTS, PROTOCOLS
from common import ProviderOptions, data_bytes
from fixtures import managed_process # lgtm [py/unused-import]
from providers import Provider, S2N, OpenSSL, JavaSSL, GnuTLS, SSLv3Provider
from utils import invalid_test_parameters, get_parameter_name, get_expected_s2n_version, to_bytes
@pytest.mark.flaky(reruns=5, reruns_delay=2)
@pytest.mark.uncollect_if(func=invalid_test_parameters)
@pytest.mark.parametrize("cipher", ALL_TEST_CIPHERS, ids=get_parameter_name)
@pytest.mark.parametrize("provider", [S2N, OpenSSL, GnuTLS, JavaSSL, SSLv3Provider])
@pytest.mark.parametrize("curve", ALL_TEST_CURVES, ids=get_parameter_name)
@pytest.mark.parametrize("protocol", PROTOCOLS, ids=get_parameter_name)
@pytest.mark.parametrize("certificate", ALL_TEST_CERTS, ids=get_parameter_name)
def test_s2n_server_happy_path(managed_process, cipher, provider, curve, protocol, certificate):
port = next(available_ports)
# s2nd can receive large amounts of data because all the data is
# echo'd to stdout unmodified. This lets us compare received to
# expected easily.
# We purposefully send a non block aligned number to make sure
# nothing blocks waiting for more data.
random_bytes = data_bytes(65519)
client_options = ProviderOptions(
mode=Provider.ClientMode,
port=port,
cipher=cipher,
cert=certificate.cert,
curve=curve,
data_to_send=random_bytes,
insecure=True,
protocol=protocol
)
server_options = copy.copy(client_options)
server_options.data_to_send = None
server_options.mode = Provider.ServerMode
server_options.key = certificate.key
server_options.cert = certificate.cert
# Passing the type of client and server as a parameter will
# allow us to use a fixture to enumerate all possibilities.
server = managed_process(S2N, server_options, timeout=5)
client = managed_process(provider, client_options, timeout=5)
# The client will be one of all supported providers. We
# just want to make sure there was no exception and that
# the client exited cleanly.
for client_results in client.get_results():
client_results.assert_success()
expected_version = get_expected_s2n_version(protocol, provider)
# The server is always S2N in this test, so we can examine
# the stdout reliably.
for server_results in server.get_results():
server_results.assert_success()
assert to_bytes("Actual protocol version: {}".format(
expected_version)) in server_results.stdout
assert random_bytes in server_results.stdout
if provider is not S2N:
assert to_bytes("Cipher negotiated: {}".format(
cipher.name)) in server_results.stdout
@pytest.mark.flaky(reruns=5, reruns_delay=2)
@pytest.mark.uncollect_if(func=invalid_test_parameters)
@pytest.mark.parametrize("cipher", ALL_TEST_CIPHERS, ids=get_parameter_name)
@pytest.mark.parametrize("provider", [S2N, OpenSSL, GnuTLS, SSLv3Provider])
@pytest.mark.parametrize("curve", ALL_TEST_CURVES, ids=get_parameter_name)
@pytest.mark.parametrize("protocol", PROTOCOLS, ids=get_parameter_name)
@pytest.mark.parametrize("certificate", ALL_TEST_CERTS, ids=get_parameter_name)
def test_s2n_client_happy_path(managed_process, cipher, provider, curve, protocol, certificate):
port = next(available_ports)
# We can only send 4096 - 1 (\n at the end) bytes here because of the
# way some servers chunk output (when writing to stdout). If we send
# 8192 bytes, then openssl will print some debugging information in
# the middle of our chunk. We still want that debugging data in case
# of a failure, so we just send less data, rather than lose debug
# information.
random_bytes = data_bytes(4095)
client_options = ProviderOptions(
mode=Provider.ClientMode,
port=port,
cipher=cipher,
curve=curve,
data_to_send=random_bytes,
insecure=True,
protocol=protocol,
)
server_options = copy.copy(client_options)
server_options.data_to_send = None
server_options.mode = Provider.ServerMode
server_options.key = certificate.key
server_options.cert = certificate.cert
kill_marker = None
if provider == GnuTLS:
kill_marker = random_bytes
# Passing the type of client and server as a parameter will
# allow us to use a fixture to enumerate all possibilities.
server = managed_process(provider, server_options,
timeout=5, kill_marker=kill_marker)
client = managed_process(S2N, client_options, timeout=5)
expected_version = get_expected_s2n_version(protocol, provider)
# The client is always S2N in this test, so we can examine
# the stdout reliably.
for client_results in client.get_results():
client_results.assert_success()
assert to_bytes("Actual protocol version: {}".format(
expected_version)) in client_results.stdout
# The server will be one of all supported providers. We
# just want to make sure there was no exception and that
# the client exited cleanly.
for server_results in server.get_results():
server_results.assert_success()
# Avoid debugging information that sometimes gets inserted after the first character.
assert any(
[random_bytes[1:] in stream for stream in server_results.output_streams()])
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