| // Copyright (c) 2012 The Chromium OS 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 "login_manager/policy_service.h" |
| |
| #include <stdint.h> |
| |
| #include <algorithm> |
| #include <string> |
| #include <vector> |
| |
| #include <base/memory/scoped_ptr.h> |
| #include <base/message_loop/message_loop.h> |
| #include <base/message_loop/message_loop_proxy.h> |
| #include <base/run_loop.h> |
| #include <base/threading/thread.h> |
| #include <gmock/gmock.h> |
| #include <gtest/gtest.h> |
| |
| #include "bindings/device_management_backend.pb.h" |
| #include "login_manager/dbus_error_types.h" |
| #include "login_manager/matchers.h" |
| #include "login_manager/mock_policy_key.h" |
| #include "login_manager/mock_policy_service.h" |
| #include "login_manager/mock_policy_store.h" |
| |
| namespace em = enterprise_management; |
| |
| using ::testing::DoAll; |
| using ::testing::InvokeWithoutArgs; |
| using ::testing::Mock; |
| using ::testing::Return; |
| using ::testing::ReturnRef; |
| using ::testing::Sequence; |
| using ::testing::SetArgumentPointee; |
| using ::testing::StrictMock; |
| using ::testing::_; |
| |
| namespace login_manager { |
| |
| class PolicyServiceTest : public testing::Test { |
| public: |
| PolicyServiceTest() |
| : fake_data_("fake_data"), |
| fake_sig_("fake_signature"), |
| fake_key_("fake_key"), |
| fake_key_sig_("fake_key_signature") {} |
| |
| virtual void SetUp() { |
| store_ = new StrictMock<MockPolicyStore>; |
| scoped_refptr<base::MessageLoopProxy> message_loop( |
| base::MessageLoopProxy::current()); |
| service_.reset(new PolicyService( |
| scoped_ptr<PolicyStore>(store_), &key_, message_loop)); |
| service_->set_delegate(&delegate_); |
| } |
| |
| void InitPolicy(const std::string& data, |
| const std::string& signature, |
| const std::string& key, |
| const std::string& key_signature) { |
| policy_proto_.Clear(); |
| if (!data.empty()) |
| policy_proto_.set_policy_data(data); |
| if (!signature.empty()) |
| policy_proto_.set_policy_data_signature(signature); |
| if (!key.empty()) |
| policy_proto_.set_new_public_key(key); |
| if (!key_signature.empty()) |
| policy_proto_.set_new_public_key_signature(key_signature); |
| |
| ASSERT_TRUE(policy_proto_.SerializeToString(&policy_str_)); |
| policy_data_ = reinterpret_cast<const uint8_t*>(policy_str_.c_str()); |
| policy_len_ = policy_str_.size(); |
| } |
| |
| void ExpectVerifyAndSetPolicy(Sequence* sequence) { |
| EXPECT_CALL(key_, |
| Verify(CastEq(fake_data_), |
| fake_data_.size(), |
| CastEq(fake_sig_), |
| fake_sig_.size())) |
| .InSequence(*sequence) |
| .WillOnce(Return(true)); |
| EXPECT_CALL(*store_, Set(PolicyStrEq(policy_str_))).Times(1).InSequence( |
| *sequence); |
| } |
| |
| void ExpectPersistKey(Sequence* sequence) { |
| EXPECT_CALL(key_, Persist()).InSequence(*sequence).WillOnce(Return(true)); |
| EXPECT_CALL(delegate_, OnKeyPersisted(true)); |
| } |
| |
| void ExpectPersistPolicy(Sequence* sequence) { |
| EXPECT_CALL(*store_, Persist()).InSequence(*sequence).WillOnce( |
| Return(true)); |
| EXPECT_CALL(completion_, ReportSuccess()).Times(1); |
| EXPECT_CALL(delegate_, OnPolicyPersisted(true)); |
| } |
| |
| void ExpectKeyEqualsFalse(Sequence* sequence) { |
| EXPECT_CALL(key_, Equals(_)).InSequence(*sequence).WillRepeatedly( |
| Return(false)); |
| } |
| |
| void ExpectKeyPopulated(Sequence* sequence, bool return_value) { |
| EXPECT_CALL(key_, IsPopulated()).InSequence(*sequence).WillRepeatedly( |
| Return(return_value)); |
| } |
| |
| void ExpectStoreFail(int flags, const std::string& code) { |
| EXPECT_CALL(key_, Persist()).Times(0); |
| EXPECT_CALL(*store_, Set(_)).Times(0); |
| EXPECT_CALL(*store_, Persist()).Times(0); |
| EXPECT_CALL(completion_, ReportSuccess()).Times(0); |
| EXPECT_CALL(completion_, ReportFailure(_)).Times(1); |
| |
| EXPECT_FALSE( |
| service_->Store(policy_data_, policy_len_, &completion_, flags)); |
| base::RunLoop().RunUntilIdle(); |
| } |
| |
| PolicyStore* store() { return service_->store(); } |
| PolicyKey* key() { return service_->key(); } |
| |
| static const int kAllKeyFlags; |
| static const char kSignalSuccess[]; |
| static const char kSignalFailure[]; |
| |
| std::string fake_data_; |
| std::string fake_sig_; |
| std::string fake_key_; |
| std::string fake_key_sig_; |
| |
| // Various representations of the policy protobuf. |
| em::PolicyFetchResponse policy_proto_; |
| std::string policy_str_; |
| const uint8_t* policy_data_; |
| uint32_t policy_len_; |
| |
| base::MessageLoop loop_; |
| |
| // Use StrictMock to make sure that no unexpected policy or key mutations can |
| // occur without the test failing. |
| StrictMock<MockPolicyKey> key_; |
| StrictMock<MockPolicyStore>* store_; |
| MockPolicyServiceDelegate delegate_; |
| MockPolicyServiceCompletion completion_; |
| |
| scoped_ptr<PolicyService> service_; |
| }; |
| |
| const int PolicyServiceTest::kAllKeyFlags = PolicyService::KEY_ROTATE | |
| PolicyService::KEY_INSTALL_NEW | |
| PolicyService::KEY_CLOBBER; |
| const char PolicyServiceTest::kSignalSuccess[] = "success"; |
| const char PolicyServiceTest::kSignalFailure[] = "failure"; |
| |
| TEST_F(PolicyServiceTest, Store) { |
| InitPolicy(fake_data_, fake_sig_, "", ""); |
| |
| Sequence s1, s2; |
| ExpectKeyEqualsFalse(&s1); |
| ExpectKeyPopulated(&s2, true); |
| EXPECT_CALL(key_, |
| Verify(CastEq(fake_data_), |
| fake_data_.size(), |
| CastEq(fake_sig_), |
| fake_sig_.size())) |
| .InSequence(s1, s2) |
| .WillRepeatedly(Return(true)); |
| ExpectKeyPopulated(&s1, true); |
| ExpectVerifyAndSetPolicy(&s2); |
| |
| EXPECT_TRUE( |
| service_->Store(policy_data_, policy_len_, &completion_, kAllKeyFlags)); |
| |
| Mock::VerifyAndClearExpectations(&key_); |
| Mock::VerifyAndClearExpectations(store_); |
| |
| ExpectPersistPolicy(&s2); |
| base::RunLoop().RunUntilIdle(); |
| } |
| |
| TEST_F(PolicyServiceTest, StoreWrongSignature) { |
| InitPolicy(fake_data_, fake_sig_, "", ""); |
| |
| Sequence s1, s2; |
| ExpectKeyEqualsFalse(&s1); |
| ExpectKeyPopulated(&s2, true); |
| EXPECT_CALL(key_, |
| Verify(CastEq(fake_data_), |
| fake_data_.size(), |
| CastEq(fake_sig_), |
| fake_sig_.size())) |
| .InSequence(s1, s2) |
| .WillRepeatedly(Return(false)); |
| |
| ExpectStoreFail(kAllKeyFlags, dbus_error::kVerifyFail); |
| } |
| |
| TEST_F(PolicyServiceTest, StoreNoData) { |
| InitPolicy("", "", "", ""); |
| |
| ExpectStoreFail(kAllKeyFlags, dbus_error::kSigDecodeFail); |
| } |
| |
| TEST_F(PolicyServiceTest, StoreNoSignature) { |
| InitPolicy(fake_data_, "", "", ""); |
| |
| ExpectStoreFail(kAllKeyFlags, dbus_error::kSigDecodeFail); |
| } |
| |
| TEST_F(PolicyServiceTest, StoreNoKey) { |
| InitPolicy(fake_data_, fake_sig_, "", ""); |
| |
| Sequence s1, s2; |
| ExpectKeyEqualsFalse(&s1); |
| ExpectKeyPopulated(&s2, false); |
| EXPECT_CALL(key_, |
| Verify(CastEq(fake_data_), |
| fake_data_.size(), |
| CastEq(fake_sig_), |
| fake_sig_.size())) |
| .InSequence(s1, s2) |
| .WillRepeatedly(Return(false)); |
| |
| ExpectStoreFail(kAllKeyFlags, dbus_error::kVerifyFail); |
| } |
| |
| TEST_F(PolicyServiceTest, StoreNewKey) { |
| InitPolicy(fake_data_, fake_sig_, fake_key_, ""); |
| |
| Sequence s1, s2; |
| ExpectKeyEqualsFalse(&s1); |
| ExpectKeyPopulated(&s2, false); |
| EXPECT_CALL(key_, PopulateFromBuffer(VectorEq(fake_key_))) |
| .InSequence(s1, s2) |
| .WillOnce(Return(true)); |
| ExpectKeyPopulated(&s1, true); |
| ExpectVerifyAndSetPolicy(&s2); |
| |
| EXPECT_TRUE( |
| service_->Store(policy_data_, policy_len_, &completion_, kAllKeyFlags)); |
| |
| Mock::VerifyAndClearExpectations(&key_); |
| Mock::VerifyAndClearExpectations(store_); |
| |
| ExpectPersistKey(&s1); |
| ExpectPersistPolicy(&s2); |
| base::RunLoop().RunUntilIdle(); |
| } |
| |
| TEST_F(PolicyServiceTest, StoreNewKeyClobber) { |
| InitPolicy(fake_data_, fake_sig_, fake_key_, ""); |
| |
| Sequence s1, s2; |
| ExpectKeyEqualsFalse(&s1); |
| ExpectKeyPopulated(&s2, false); |
| EXPECT_CALL(key_, ClobberCompromisedKey(VectorEq(fake_key_))) |
| .InSequence(s1, s2) |
| .WillOnce(Return(true)); |
| ExpectKeyPopulated(&s1, true); |
| ExpectVerifyAndSetPolicy(&s2); |
| |
| EXPECT_TRUE(service_->Store( |
| policy_data_, policy_len_, &completion_, PolicyService::KEY_CLOBBER)); |
| |
| Mock::VerifyAndClearExpectations(&key_); |
| Mock::VerifyAndClearExpectations(store_); |
| |
| ExpectPersistKey(&s1); |
| ExpectPersistPolicy(&s2); |
| base::RunLoop().RunUntilIdle(); |
| } |
| |
| TEST_F(PolicyServiceTest, StoreNewKeySame) { |
| InitPolicy(fake_data_, fake_sig_, fake_key_, ""); |
| |
| Sequence s1, s2, s3; |
| EXPECT_CALL(key_, Equals(fake_key_)).InSequence(s1).WillRepeatedly( |
| Return(true)); |
| ExpectKeyPopulated(&s2, true); |
| ExpectVerifyAndSetPolicy(&s3); |
| |
| EXPECT_TRUE( |
| service_->Store(policy_data_, policy_len_, &completion_, kAllKeyFlags)); |
| |
| Mock::VerifyAndClearExpectations(&key_); |
| Mock::VerifyAndClearExpectations(store_); |
| |
| ExpectPersistPolicy(&s2); |
| base::RunLoop().RunUntilIdle(); |
| } |
| |
| TEST_F(PolicyServiceTest, StoreNewKeyNotAllowed) { |
| InitPolicy(fake_data_, fake_sig_, fake_key_, ""); |
| |
| Sequence s1, s2; |
| ExpectKeyEqualsFalse(&s1); |
| ExpectKeyPopulated(&s2, false); |
| |
| ExpectStoreFail(0, dbus_error::kPubkeySetIllegal); |
| } |
| |
| TEST_F(PolicyServiceTest, StoreRotation) { |
| InitPolicy(fake_data_, fake_sig_, fake_key_, fake_key_sig_); |
| |
| Sequence s1, s2; |
| ExpectKeyEqualsFalse(&s1); |
| ExpectKeyPopulated(&s2, true); |
| EXPECT_CALL(key_, Rotate(VectorEq(fake_key_), VectorEq(fake_key_sig_))) |
| .InSequence(s1, s2) |
| .WillOnce(Return(true)); |
| ExpectKeyPopulated(&s1, true); |
| ExpectVerifyAndSetPolicy(&s2); |
| |
| EXPECT_TRUE( |
| service_->Store(policy_data_, policy_len_, &completion_, kAllKeyFlags)); |
| |
| Mock::VerifyAndClearExpectations(&key_); |
| Mock::VerifyAndClearExpectations(store_); |
| |
| ExpectPersistKey(&s1); |
| ExpectPersistPolicy(&s2); |
| base::RunLoop().RunUntilIdle(); |
| } |
| |
| TEST_F(PolicyServiceTest, StoreRotationClobber) { |
| InitPolicy(fake_data_, fake_sig_, fake_key_, fake_key_sig_); |
| |
| Sequence s1, s2; |
| ExpectKeyEqualsFalse(&s1); |
| ExpectKeyPopulated(&s2, false); |
| EXPECT_CALL(key_, ClobberCompromisedKey(VectorEq(fake_key_))) |
| .InSequence(s1, s2) |
| .WillOnce(Return(true)); |
| ExpectKeyPopulated(&s1, true); |
| ExpectVerifyAndSetPolicy(&s2); |
| |
| EXPECT_TRUE(service_->Store( |
| policy_data_, policy_len_, &completion_, PolicyService::KEY_CLOBBER)); |
| |
| Mock::VerifyAndClearExpectations(&key_); |
| Mock::VerifyAndClearExpectations(store_); |
| |
| ExpectPersistKey(&s1); |
| ExpectPersistPolicy(&s2); |
| base::RunLoop().RunUntilIdle(); |
| } |
| |
| TEST_F(PolicyServiceTest, StoreRotationNoSignature) { |
| InitPolicy(fake_data_, fake_sig_, fake_key_, ""); |
| |
| Sequence s1, s2; |
| ExpectKeyEqualsFalse(&s1); |
| ExpectKeyPopulated(&s2, true); |
| |
| ExpectStoreFail(PolicyService::KEY_ROTATE, dbus_error::kPubkeySetIllegal); |
| } |
| |
| TEST_F(PolicyServiceTest, StoreRotationBadSignature) { |
| InitPolicy(fake_data_, fake_sig_, fake_key_, fake_key_sig_); |
| |
| Sequence s1, s2; |
| ExpectKeyEqualsFalse(&s1); |
| ExpectKeyPopulated(&s2, true); |
| EXPECT_CALL(key_, Rotate(VectorEq(fake_key_), VectorEq(fake_key_sig_))) |
| .InSequence(s1, s2) |
| .WillOnce(Return(false)); |
| |
| ExpectStoreFail(PolicyService::KEY_ROTATE, dbus_error::kPubkeySetIllegal); |
| } |
| |
| TEST_F(PolicyServiceTest, StoreRotationNotAllowed) { |
| InitPolicy(fake_data_, fake_sig_, fake_key_, fake_key_sig_); |
| |
| Sequence s1, s2; |
| ExpectKeyEqualsFalse(&s1); |
| ExpectKeyPopulated(&s2, true); |
| |
| ExpectStoreFail(0, dbus_error::kPubkeySetIllegal); |
| } |
| |
| TEST_F(PolicyServiceTest, Retrieve) { |
| InitPolicy(fake_data_, fake_sig_, fake_key_, fake_key_sig_); |
| |
| EXPECT_CALL(*store_, Get()).WillOnce(ReturnRef(policy_proto_)); |
| |
| std::vector<uint8_t> policy_data; |
| EXPECT_TRUE(service_->Retrieve(&policy_data)); |
| ASSERT_EQ(policy_str_.size(), policy_data.size()); |
| EXPECT_TRUE( |
| std::equal(policy_str_.begin(), policy_str_.end(), policy_data.begin())); |
| } |
| |
| TEST_F(PolicyServiceTest, PersistPolicySyncSuccess) { |
| EXPECT_CALL(*store_, Persist()).WillOnce(Return(true)); |
| EXPECT_CALL(delegate_, OnPolicyPersisted(true)).Times(1); |
| service_->PersistPolicySync(); |
| } |
| |
| TEST_F(PolicyServiceTest, PersistPolicySyncFailure) { |
| EXPECT_CALL(*store_, Persist()).WillOnce(Return(false)); |
| EXPECT_CALL(delegate_, OnPolicyPersisted(false)).Times(1); |
| service_->PersistPolicySync(); |
| } |
| |
| } // namespace login_manager |