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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 "base/bind.h"
#include "net/base/net_errors.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 "remoting/protocol/negotiating_authenticator_base.h"
#include "remoting/protocol/negotiating_client_authenticator.h"
#include "remoting/protocol/negotiating_host_authenticator.h"
#include "remoting/protocol/pairing_registry.h"
#include "remoting/protocol/protocol_mock_objects.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/libjingle/source/talk/xmllite/xmlelement.h"
using testing::_;
using testing::DeleteArg;
using testing::SaveArg;
namespace remoting {
namespace protocol {
namespace {
const int kMessageSize = 100;
const int kMessages = 1;
const char kNoClientId[] = "";
const char kNoPairedSecret[] = "";
const char kTestClientName[] = "client-name";
const char kTestClientId[] = "client-id";
const char kTestHostId[] = "12345678910123456";
const char kTestPairedSecret[] = "1111-2222-3333";
const char kTestPairedSecretBad[] = "4444-5555-6666";
const char kTestPin[] = "123456";
const char kTestPinBad[] = "654321";
} // namespace
class NegotiatingAuthenticatorTest : public AuthenticatorTestBase {
public:
NegotiatingAuthenticatorTest() {
}
virtual ~NegotiatingAuthenticatorTest() {
}
protected:
void InitAuthenticators(
const std::string& client_id,
const std::string& client_paired_secret,
const std::string& client_interactive_pin,
const std::string& host_secret,
AuthenticationMethod::HashFunction hash_function,
bool client_hmac_only) {
std::string host_secret_hash = AuthenticationMethod::ApplyHashFunction(
hash_function, kTestHostId, host_secret);
host_ = NegotiatingHostAuthenticator::CreateWithSharedSecret(
host_cert_, key_pair_, host_secret_hash, hash_function,
pairing_registry_);
std::vector<AuthenticationMethod> methods;
methods.push_back(AuthenticationMethod::Spake2Pair());
methods.push_back(AuthenticationMethod::Spake2(
AuthenticationMethod::HMAC_SHA256));
if (!client_hmac_only) {
methods.push_back(AuthenticationMethod::Spake2(
AuthenticationMethod::NONE));
}
bool pairing_expected = pairing_registry_.get() != NULL;
FetchSecretCallback fetch_secret_callback =
base::Bind(&NegotiatingAuthenticatorTest::FetchSecret,
client_interactive_pin,
pairing_expected);
client_as_negotiating_authenticator_ = new NegotiatingClientAuthenticator(
client_id, client_paired_secret,
kTestHostId, fetch_secret_callback,
scoped_ptr<ThirdPartyClientAuthenticator::TokenFetcher>(), methods);
client_.reset(client_as_negotiating_authenticator_);
}
void CreatePairingRegistry(bool with_paired_client) {
pairing_registry_ = new SynchronousPairingRegistry(
scoped_ptr<PairingRegistry::Delegate>(
new MockPairingRegistryDelegate()));
if (with_paired_client) {
PairingRegistry::Pairing pairing(
base::Time(), kTestClientName, kTestClientId, kTestPairedSecret);
pairing_registry_->AddPairing(pairing);
}
}
static void FetchSecret(
const std::string& client_secret,
bool pairing_supported,
bool pairing_expected,
const protocol::SecretFetchedCallback& secret_fetched_callback) {
secret_fetched_callback.Run(client_secret);
ASSERT_EQ(pairing_supported, pairing_expected);
}
void VerifyRejected(Authenticator::RejectionReason reason) {
ASSERT_TRUE(client_->state() == Authenticator::REJECTED ||
host_->state() == Authenticator::REJECTED);
if (client_->state() == Authenticator::REJECTED) {
ASSERT_EQ(client_->rejection_reason(), reason);
}
if (host_->state() == Authenticator::REJECTED) {
ASSERT_EQ(host_->rejection_reason(), reason);
}
}
void VerifyAccepted(const AuthenticationMethod& expected_method) {
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);
EXPECT_TRUE(client_socket_.get() != NULL);
EXPECT_TRUE(host_socket_.get() != NULL);
StreamConnectionTester tester(host_socket_.get(), client_socket_.get(),
kMessageSize, kMessages);
tester.Start();
message_loop_.Run();
tester.CheckResults();
EXPECT_EQ(
expected_method,
client_as_negotiating_authenticator_->current_method_for_testing());
}
// Use a bare pointer because the storage is managed by the base class.
NegotiatingClientAuthenticator* client_as_negotiating_authenticator_;
private:
scoped_refptr<PairingRegistry> pairing_registry_;
DISALLOW_COPY_AND_ASSIGN(NegotiatingAuthenticatorTest);
};
TEST_F(NegotiatingAuthenticatorTest, SuccessfulAuthHmac) {
ASSERT_NO_FATAL_FAILURE(InitAuthenticators(
kNoClientId, kNoPairedSecret, kTestPin, kTestPin,
AuthenticationMethod::HMAC_SHA256, false));
VerifyAccepted(
AuthenticationMethod::Spake2(AuthenticationMethod::HMAC_SHA256));
}
TEST_F(NegotiatingAuthenticatorTest, SuccessfulAuthPlain) {
ASSERT_NO_FATAL_FAILURE(InitAuthenticators(
kNoClientId, kNoPairedSecret, kTestPin, kTestPin,
AuthenticationMethod::NONE, false));
VerifyAccepted(AuthenticationMethod::Spake2(AuthenticationMethod::NONE));
}
TEST_F(NegotiatingAuthenticatorTest, InvalidSecretHmac) {
ASSERT_NO_FATAL_FAILURE(InitAuthenticators(
kNoClientId, kNoPairedSecret, kTestPinBad, kTestPin,
AuthenticationMethod::HMAC_SHA256, false));
ASSERT_NO_FATAL_FAILURE(RunAuthExchange());
VerifyRejected(Authenticator::INVALID_CREDENTIALS);
}
TEST_F(NegotiatingAuthenticatorTest, InvalidSecretPlain) {
ASSERT_NO_FATAL_FAILURE(InitAuthenticators(
kNoClientId, kNoPairedSecret, kTestPin, kTestPinBad,
AuthenticationMethod::NONE, false));
ASSERT_NO_FATAL_FAILURE(RunAuthExchange());
VerifyRejected(Authenticator::INVALID_CREDENTIALS);
}
TEST_F(NegotiatingAuthenticatorTest, IncompatibleMethods) {
ASSERT_NO_FATAL_FAILURE(InitAuthenticators(
kNoClientId, kNoPairedSecret, kTestPin, kTestPinBad,
AuthenticationMethod::NONE, true));
ASSERT_NO_FATAL_FAILURE(RunAuthExchange());
VerifyRejected(Authenticator::PROTOCOL_ERROR);
}
TEST_F(NegotiatingAuthenticatorTest, PairingNotSupported) {
ASSERT_NO_FATAL_FAILURE(InitAuthenticators(
kTestClientId, kTestPairedSecret, kTestPin, kTestPin,
AuthenticationMethod::HMAC_SHA256, false));
ASSERT_NO_FATAL_FAILURE(RunAuthExchange());
VerifyAccepted(
AuthenticationMethod::Spake2(AuthenticationMethod::HMAC_SHA256));
}
TEST_F(NegotiatingAuthenticatorTest, PairingSupportedButNotPaired) {
CreatePairingRegistry(false);
ASSERT_NO_FATAL_FAILURE(InitAuthenticators(
kNoClientId, kNoPairedSecret, kTestPin, kTestPin,
AuthenticationMethod::HMAC_SHA256, false));
ASSERT_NO_FATAL_FAILURE(RunAuthExchange());
VerifyAccepted(AuthenticationMethod::Spake2Pair());
}
TEST_F(NegotiatingAuthenticatorTest, PairingRevokedPinOkay) {
CreatePairingRegistry(false);
ASSERT_NO_FATAL_FAILURE(InitAuthenticators(
kTestClientId, kTestPairedSecret, kTestPin, kTestPin,
AuthenticationMethod::HMAC_SHA256, false));
ASSERT_NO_FATAL_FAILURE(RunAuthExchange());
VerifyAccepted(AuthenticationMethod::Spake2Pair());
}
TEST_F(NegotiatingAuthenticatorTest, PairingRevokedPinBad) {
CreatePairingRegistry(false);
ASSERT_NO_FATAL_FAILURE(InitAuthenticators(
kTestClientId, kTestPairedSecret, kTestPinBad, kTestPin,
AuthenticationMethod::HMAC_SHA256, false));
ASSERT_NO_FATAL_FAILURE(RunAuthExchange());
VerifyRejected(Authenticator::INVALID_CREDENTIALS);
}
TEST_F(NegotiatingAuthenticatorTest, PairingSucceeded) {
CreatePairingRegistry(true);
ASSERT_NO_FATAL_FAILURE(InitAuthenticators(
kTestClientId, kTestPairedSecret, kTestPinBad, kTestPin,
AuthenticationMethod::HMAC_SHA256, false));
ASSERT_NO_FATAL_FAILURE(RunAuthExchange());
VerifyAccepted(AuthenticationMethod::Spake2Pair());
}
TEST_F(NegotiatingAuthenticatorTest, PairingSucceededInvalidSecretButPinOkay) {
CreatePairingRegistry(true);
ASSERT_NO_FATAL_FAILURE(InitAuthenticators(
kTestClientId, kTestPairedSecretBad, kTestPin, kTestPin,
AuthenticationMethod::HMAC_SHA256, false));
ASSERT_NO_FATAL_FAILURE(RunAuthExchange());
VerifyAccepted(AuthenticationMethod::Spake2Pair());
}
TEST_F(NegotiatingAuthenticatorTest, PairingFailedInvalidSecretAndPin) {
CreatePairingRegistry(true);
ASSERT_NO_FATAL_FAILURE(InitAuthenticators(
kTestClientId, kTestPairedSecretBad, kTestPinBad, kTestPin,
AuthenticationMethod::HMAC_SHA256, false));
ASSERT_NO_FATAL_FAILURE(RunAuthExchange());
VerifyRejected(Authenticator::INVALID_CREDENTIALS);
}
} // namespace protocol
} // namespace remoting
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