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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "remoting/protocol/spake2_authenticator.h"
#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "base/run_loop.h"
#include "remoting/base/rsa_key_pair.h"
#include "remoting/protocol/authenticator_test_base.h"
#include "remoting/protocol/channel_authenticator.h"
#include "remoting/protocol/connection_tester.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/libjingle_xmpp/xmllite/xmlelement.h"
using testing::_;
using testing::DeleteArg;
using testing::SaveArg;
namespace remoting::protocol {
namespace {
const int kMessageSize = 100;
const int kMessages = 1;
const char kTestSharedSecret[] = "1234-1234-5678";
const char kTestSharedSecretBad[] = "0000-0000-0001";
} // namespace
class Spake2AuthenticatorTest : public AuthenticatorTestBase {
public:
Spake2AuthenticatorTest() = default;
Spake2AuthenticatorTest(const Spake2AuthenticatorTest&) = delete;
Spake2AuthenticatorTest& operator=(const Spake2AuthenticatorTest&) = delete;
~Spake2AuthenticatorTest() override = default;
protected:
void InitAuthenticators(const std::string& client_secret,
const std::string& host_secret) {
host_ = Spake2Authenticator::CreateForHost(kHostId, kClientId, host_cert_,
key_pair_, host_secret,
Authenticator::WAITING_MESSAGE);
client_ = Spake2Authenticator::CreateForClient(
kClientId, kHostId, client_secret, Authenticator::MESSAGE_READY);
}
};
TEST_F(Spake2AuthenticatorTest, SuccessfulAuth) {
ASSERT_NO_FATAL_FAILURE(
InitAuthenticators(kTestSharedSecret, kTestSharedSecret));
ASSERT_NO_FATAL_FAILURE(RunAuthExchange());
ASSERT_EQ(Authenticator::ACCEPTED, host_->state());
ASSERT_EQ(Authenticator::ACCEPTED, client_->state());
client_auth_ = client_->CreateChannelAuthenticator();
host_auth_ = host_->CreateChannelAuthenticator();
RunChannelAuth(false);
StreamConnectionTester tester(host_socket_.get(), client_socket_.get(),
kMessageSize, kMessages);
base::RunLoop run_loop;
tester.Start(run_loop.QuitClosure());
run_loop.Run();
tester.CheckResults();
}
// Verify that connection is rejected when secrets don't match.
TEST_F(Spake2AuthenticatorTest, InvalidSecret) {
ASSERT_NO_FATAL_FAILURE(
InitAuthenticators(kTestSharedSecretBad, kTestSharedSecret));
ASSERT_NO_FATAL_FAILURE(RunAuthExchange());
ASSERT_EQ(Authenticator::REJECTED, client_->state());
ASSERT_EQ(Authenticator::RejectionReason::INVALID_CREDENTIALS,
client_->rejection_reason());
// Change |client_| so that we can get the last message.
reinterpret_cast<Spake2Authenticator*>(client_.get())->state_ =
Authenticator::MESSAGE_READY;
std::unique_ptr<jingle_xmpp::XmlElement> message(client_->GetNextMessage());
ASSERT_TRUE(message.get());
ASSERT_EQ(Authenticator::WAITING_MESSAGE, client_->state());
host_->ProcessMessage(message.get(), base::DoNothing());
// This assumes that Spake2Authenticator::ProcessMessage runs synchronously.
ASSERT_EQ(Authenticator::REJECTED, host_->state());
}
} // namespace remoting::protocol
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