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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <string>
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/scoped_vector.h"
#include "net/base/net_util.h"
#include "net/base/request_priority.h"
#include "net/dns/mock_host_resolver.h"
#include "net/http/http_auth_handler_mock.h"
#include "net/http/http_network_session.h"
#include "net/http/http_network_transaction.h"
#include "net/http/http_request_info.h"
#include "net/http/http_server_properties_impl.h"
#include "net/http/transport_security_state.h"
#include "net/proxy/proxy_service.h"
#include "net/socket/socket_test_util.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace net {
namespace {
class TLS10SSLConfigService : public SSLConfigService {
public:
TLS10SSLConfigService() {
ssl_config_.version_min = SSL_PROTOCOL_VERSION_SSL3;
ssl_config_.version_max = SSL_PROTOCOL_VERSION_TLS1;
}
virtual void GetSSLConfig(SSLConfig* config) OVERRIDE {
*config = ssl_config_;
}
private:
virtual ~TLS10SSLConfigService() {}
SSLConfig ssl_config_;
};
class TLS11SSLConfigService : public SSLConfigService {
public:
TLS11SSLConfigService() {
ssl_config_.version_min = SSL_PROTOCOL_VERSION_SSL3;
ssl_config_.version_max = SSL_PROTOCOL_VERSION_TLS1_1;
}
virtual void GetSSLConfig(SSLConfig* config) OVERRIDE {
*config = ssl_config_;
}
private:
virtual ~TLS11SSLConfigService() {}
SSLConfig ssl_config_;
};
} // namespace
class HttpNetworkTransactionSSLTest : public testing::Test {
protected:
virtual void SetUp() {
ssl_config_service_ = new TLS10SSLConfigService;
session_params_.ssl_config_service = ssl_config_service_.get();
auth_handler_factory_.reset(new HttpAuthHandlerMock::Factory());
session_params_.http_auth_handler_factory = auth_handler_factory_.get();
proxy_service_.reset(ProxyService::CreateDirect());
session_params_.proxy_service = proxy_service_.get();
session_params_.client_socket_factory = &mock_socket_factory_;
session_params_.host_resolver = &mock_resolver_;
session_params_.http_server_properties =
http_server_properties_.GetWeakPtr();
session_params_.transport_security_state = &transport_security_state_;
}
HttpRequestInfo* GetRequestInfo(const std::string& url) {
HttpRequestInfo* request_info = new HttpRequestInfo;
request_info->url = GURL(url);
request_info->method = "GET";
request_info_vector_.push_back(request_info);
return request_info;
}
SSLConfig& GetServerSSLConfig(HttpNetworkTransaction* trans) {
return trans->server_ssl_config_;
}
scoped_refptr<SSLConfigService> ssl_config_service_;
scoped_ptr<HttpAuthHandlerMock::Factory> auth_handler_factory_;
scoped_ptr<ProxyService> proxy_service_;
MockClientSocketFactory mock_socket_factory_;
MockHostResolver mock_resolver_;
HttpServerPropertiesImpl http_server_properties_;
TransportSecurityState transport_security_state_;
HttpNetworkSession::Params session_params_;
ScopedVector<HttpRequestInfo> request_info_vector_;
};
// Tests that HttpNetworkTransaction attempts to fallback from
// TLS 1.1 to TLS 1.0, then from TLS 1.0 to SSL 3.0.
TEST_F(HttpNetworkTransactionSSLTest, SSLFallback) {
ssl_config_service_ = new TLS11SSLConfigService;
session_params_.ssl_config_service = ssl_config_service_.get();
// |ssl_data1| is for the first handshake (TLS 1.1), which will fail
// for protocol reasons (e.g., simulating a version rollback attack).
SSLSocketDataProvider ssl_data1(ASYNC, ERR_SSL_PROTOCOL_ERROR);
mock_socket_factory_.AddSSLSocketDataProvider(&ssl_data1);
StaticSocketDataProvider data1(NULL, 0, NULL, 0);
mock_socket_factory_.AddSocketDataProvider(&data1);
// |ssl_data2| contains the handshake result for a TLS 1.0
// handshake which will be attempted after the TLS 1.1
// handshake fails.
SSLSocketDataProvider ssl_data2(ASYNC, ERR_SSL_PROTOCOL_ERROR);
mock_socket_factory_.AddSSLSocketDataProvider(&ssl_data2);
StaticSocketDataProvider data2(NULL, 0, NULL, 0);
mock_socket_factory_.AddSocketDataProvider(&data2);
// |ssl_data3| contains the handshake result for a SSL 3.0
// handshake which will be attempted after the TLS 1.0
// handshake fails.
SSLSocketDataProvider ssl_data3(ASYNC, ERR_SSL_PROTOCOL_ERROR);
mock_socket_factory_.AddSSLSocketDataProvider(&ssl_data3);
StaticSocketDataProvider data3(NULL, 0, NULL, 0);
mock_socket_factory_.AddSocketDataProvider(&data3);
scoped_refptr<HttpNetworkSession> session(
new HttpNetworkSession(session_params_));
scoped_ptr<HttpNetworkTransaction> trans(
new HttpNetworkTransaction(DEFAULT_PRIORITY, session.get()));
TestCompletionCallback callback;
// This will consume |ssl_data1|, |ssl_data2| and |ssl_data3|.
int rv = callback.GetResult(
trans->Start(GetRequestInfo("https://www.paypal.com/"),
callback.callback(), BoundNetLog()));
EXPECT_EQ(ERR_SSL_PROTOCOL_ERROR, rv);
SocketDataProviderArray<SocketDataProvider>& mock_data =
mock_socket_factory_.mock_data();
// Confirms that |ssl_data1|, |ssl_data2| and |ssl_data3| are consumed.
EXPECT_EQ(3u, mock_data.next_index());
SSLConfig& ssl_config = GetServerSSLConfig(trans.get());
// |version_max| fallbacks to SSL 3.0.
EXPECT_EQ(SSL_PROTOCOL_VERSION_SSL3, ssl_config.version_max);
EXPECT_TRUE(ssl_config.version_fallback);
}
} // namespace net
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