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transport_socket_match_integration_test.cc
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#include "extensions/transport_sockets/tls/context_config_impl.h"
#include "extensions/transport_sockets/tls/context_impl.h"
#include "extensions/transport_sockets/tls/ssl_socket.h"
#include "test/integration/autonomous_upstream.h"
#include "test/integration/http_integration.h"
#include "absl/strings/str_replace.h"
#include "gtest/gtest.h"
namespace Envoy {
class TransportSockeMatchIntegrationTest : public testing::Test, public HttpIntegrationTest {
public:
TransportSockeMatchIntegrationTest()
: HttpIntegrationTest(Http::CodecClient::Type::HTTP1,
TestEnvironment::getIpVersionsForTest().front(),
ConfigHelper::HTTP_PROXY_CONFIG),
num_hosts_{2} {
autonomous_upstream_ = true;
setUpstreamCount(num_hosts_);
}
void initialize() override {
config_helper_.addConfigModifier([&](envoy::config::bootstrap::v2::Bootstrap& bootstrap) {
auto* static_resources = bootstrap.mutable_static_resources();
auto* cluster = static_resources->mutable_clusters(0);
cluster->mutable_lb_subset_config()->add_subset_selectors()->add_keys(type_key_);
if (enable_transport_socket_match_) {
const std::string match_yaml = absl::StrFormat(
R"EOF(
name: "tls_socket"
match:
mtlsReady: "true"
transport_socket:
name: "tls"
config:
common_tls_context:
tls_certificates:
- certificate_chain: { filename: "%s" }
private_key: { filename: "%s" }
)EOF",
TestEnvironment::runfilesPath("test/config/integration/certs/clientcert.pem"),
TestEnvironment::runfilesPath("test/config/integration/certs/clientkey.pem"));
auto* transport_socket_match = cluster->add_transport_socket_matches();
TestUtility::loadFromYaml(match_yaml, *transport_socket_match);
}
// Setup the client Envoy TLS config.
cluster->clear_hosts();
auto* load_assignment = cluster->mutable_load_assignment();
load_assignment->set_cluster_name(cluster->name());
auto* endpoints = load_assignment->add_endpoints();
for (uint32_t i = 0; i < num_hosts_; i++) {
auto* lb_endpoint = endpoints->add_lb_endpoints();
// ConfigHelper will fill in ports later.
auto* endpoint = lb_endpoint->mutable_endpoint();
auto* addr = endpoint->mutable_address()->mutable_socket_address();
addr->set_address(Network::Test::getLoopbackAddressString(
TestEnvironment::getIpVersionsForTest().front()));
addr->set_port_value(0);
// Assign type metadata based on i.
auto* metadata = lb_endpoint->mutable_metadata();
Envoy::Config::Metadata::mutableMetadataValue(*metadata, "envoy.lb", type_key_)
.set_string_value((i % 2 == 0) ? "a" : "b");
if (isTLSUpstream(i)) {
Envoy::Config::Metadata::mutableMetadataValue(
*metadata, Envoy::Config::MetadataFilters::get().ENVOY_TRANSPORT_SOCKET_MATCH,
"mtlsReady")
.set_string_value("true");
}
}
});
config_helper_.addConfigModifier(
[&](envoy::config::filter::network::http_connection_manager::v2::HttpConnectionManager&
hcm) {
auto* vhost = hcm.mutable_route_config()->mutable_virtual_hosts(0);
// Report the host's type metadata and remote address on every response.
auto* resp_header = vhost->add_response_headers_to_add();
auto* header = resp_header->mutable_header();
header->set_key(host_type_header_);
header->set_value(
fmt::format(R"EOF(%UPSTREAM_METADATA(["envoy.lb", "{}"])%)EOF", type_key_));
resp_header = vhost->add_response_headers_to_add();
header = resp_header->mutable_header();
header->set_key(host_header_);
header->set_value("%UPSTREAM_REMOTE_ADDRESS%");
// Create routes for x-type=a and x-type=b headers.
vhost->clear_routes();
configureRoute(vhost->add_routes(), "a");
configureRoute(vhost->add_routes(), "b");
});
HttpIntegrationTest::initialize();
}
void configureRoute(envoy::api::v2::route::Route* route, const std::string& host_type) {
auto* match = route->mutable_match();
match->set_prefix("/");
// Match the x-type header against the given host_type (a/b).
auto* match_header = match->add_headers();
match_header->set_name(type_header_);
match_header->set_exact_match(host_type);
// Route to cluster_0, selecting metadata type=a or type=b.
auto* action = route->mutable_route();
action->set_cluster("cluster_0");
auto* metadata_match = action->mutable_metadata_match();
Envoy::Config::Metadata::mutableMetadataValue(*metadata_match, "envoy.lb", type_key_)
.set_string_value(host_type);
};
Network::TransportSocketFactoryPtr createUpstreamSslContext() {
envoy::api::v2::auth::DownstreamTlsContext tls_context;
const std::string yaml = absl::StrFormat(
R"EOF(
common_tls_context:
tls_certificates:
- certificate_chain: { filename: "%s" }
private_key: { filename: "%s" }
validation_context:
trusted_ca: { filename: "%s" }
require_client_certificate: true
)EOF",
TestEnvironment::runfilesPath("test/config/integration/certs/upstreamcert.pem"),
TestEnvironment::runfilesPath("test/config/integration/certs/upstreamkey.pem"),
TestEnvironment::runfilesPath("test/config/integration/certs/cacert.pem"));
TestUtility::loadFromYaml(yaml, tls_context);
auto cfg = std::make_unique<Extensions::TransportSockets::Tls::ServerContextConfigImpl>(
tls_context, factory_context_);
static Stats::Scope* upstream_stats_store = new Stats::IsolatedStoreImpl();
return std::make_unique<Extensions::TransportSockets::Tls::ServerSslSocketFactory>(
std::move(cfg), context_manager_, *upstream_stats_store, std::vector<std::string>{});
}
bool isTLSUpstream(int index) { return index % 2 == 0; }
void createUpstreams() override {
for (uint32_t i = 0; i < fake_upstreams_count_; ++i) {
auto endpoint = upstream_address_fn_(i);
if (isTLSUpstream(i)) {
fake_upstreams_.emplace_back(new AutonomousUpstream(
createUpstreamSslContext(), endpoint->ip()->port(), FakeHttpConnection::Type::HTTP1,
endpoint->ip()->version(), timeSystem()));
} else {
fake_upstreams_.emplace_back(new AutonomousUpstream(
Network::Test::createRawBufferSocketFactory(), endpoint->ip()->port(),
FakeHttpConnection::Type::HTTP1, endpoint->ip()->version(), timeSystem()));
}
}
}
void SetUp() override {
setDownstreamProtocol(Http::CodecClient::Type::HTTP1);
setUpstreamProtocol(FakeHttpConnection::Type::HTTP1);
}
const uint32_t num_hosts_;
Http::TestHeaderMapImpl type_a_request_headers_{{":method", "GET"},
{":path", "/test"},
{":scheme", "http"},
{":authority", "host"},
{"x-type", "a"}};
Http::TestHeaderMapImpl type_b_request_headers_{{":method", "GET"},
{":path", "/test"},
{":scheme", "http"},
{":authority", "host"},
{"x-type", "b"}};
const std::string host_type_header_{"x-host-type"};
const std::string host_header_{"x-host"};
const std::string type_header_{"x-type"};
const std::string type_key_{"type"};
bool enable_transport_socket_match_{true};
};
TEST_F(TransportSockeMatchIntegrationTest, TlsAndPlaintextSucceed) {
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
for (int i = 0; i < 3; i++) {
IntegrationStreamDecoderPtr response =
codec_client_->makeHeaderOnlyRequest(type_a_request_headers_);
response->waitForEndStream();
EXPECT_EQ("200", response->headers().Status()->value().getStringView());
response = codec_client_->makeHeaderOnlyRequest(type_b_request_headers_);
response->waitForEndStream();
EXPECT_EQ("200", response->headers().Status()->value().getStringView());
}
}
TEST_F(TransportSockeMatchIntegrationTest, TlsAndPlaintextFailsWithoutSocketMatch) {
enable_transport_socket_match_ = false;
initialize();
codec_client_ = makeHttpConnection(lookupPort("http"));
for (int i = 0; i < 3; i++) {
IntegrationStreamDecoderPtr response =
codec_client_->makeHeaderOnlyRequest(type_a_request_headers_);
response->waitForEndStream();
EXPECT_EQ("503", response->headers().Status()->value().getStringView());
response = codec_client_->makeHeaderOnlyRequest(type_b_request_headers_);
response->waitForEndStream();
EXPECT_EQ("200", response->headers().Status()->value().getStringView());
}
}
} // namespace Envoy