|  | // | 
|  | // Copyright (C) 2012 The Android Open Source Project | 
|  | // | 
|  | // Licensed under the Apache License, Version 2.0 (the "License"); | 
|  | // you may not use this file except in compliance with the License. | 
|  | // You may obtain a copy of the License at | 
|  | // | 
|  | //      http://www.apache.org/licenses/LICENSE-2.0 | 
|  | // | 
|  | // Unless required by applicable law or agreed to in writing, software | 
|  | // distributed under the License is distributed on an "AS IS" BASIS, | 
|  | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 
|  | // See the License for the specific language governing permissions and | 
|  | // limitations under the License. | 
|  | // | 
|  |  | 
|  | #include "update_engine/connection_manager.h" | 
|  |  | 
|  | #include <set> | 
|  | #include <string> | 
|  |  | 
|  | #include <base/logging.h> | 
|  | #include <brillo/any.h> | 
|  | #include <brillo/make_unique_ptr.h> | 
|  | #include <brillo/message_loops/fake_message_loop.h> | 
|  | #include <brillo/variant_dictionary.h> | 
|  | #include <gmock/gmock.h> | 
|  | #include <gtest/gtest.h> | 
|  | #include <shill/dbus-constants.h> | 
|  | #include <shill/dbus-proxies.h> | 
|  | #include <shill/dbus-proxy-mocks.h> | 
|  |  | 
|  | #include "update_engine/common/test_utils.h" | 
|  | #include "update_engine/fake_shill_proxy.h" | 
|  | #include "update_engine/fake_system_state.h" | 
|  |  | 
|  | using org::chromium::flimflam::ManagerProxyMock; | 
|  | using org::chromium::flimflam::ServiceProxyMock; | 
|  | using std::set; | 
|  | using std::string; | 
|  | using testing::Return; | 
|  | using testing::SetArgPointee; | 
|  | using testing::_; | 
|  |  | 
|  | namespace chromeos_update_engine { | 
|  |  | 
|  | class ConnectionManagerTest : public ::testing::Test { | 
|  | public: | 
|  | void SetUp() override { | 
|  | loop_.SetAsCurrent(); | 
|  | fake_system_state_.set_connection_manager(&cmut_); | 
|  | } | 
|  |  | 
|  | void TearDown() override { EXPECT_FALSE(loop_.PendingTasks()); } | 
|  |  | 
|  | protected: | 
|  | // Sets the default_service object path in the response from the | 
|  | // ManagerProxyMock instance. | 
|  | void SetManagerReply(const char* default_service, bool reply_succeeds); | 
|  |  | 
|  | // Sets the |service_type|, |physical_technology| and |service_tethering| | 
|  | // properties in the mocked service |service_path|. If any of the three | 
|  | // const char* is a nullptr, the corresponding property will not be included | 
|  | // in the response. | 
|  | void SetServiceReply(const string& service_path, | 
|  | const char* service_type, | 
|  | const char* physical_technology, | 
|  | const char* service_tethering); | 
|  |  | 
|  | void TestWithServiceType( | 
|  | const char* service_type, | 
|  | const char* physical_technology, | 
|  | NetworkConnectionType expected_type); | 
|  | void TestWithServiceTethering( | 
|  | const char* service_tethering, | 
|  | NetworkTethering expected_tethering); | 
|  |  | 
|  | brillo::FakeMessageLoop loop_{nullptr}; | 
|  | FakeSystemState fake_system_state_; | 
|  | FakeShillProxy fake_shill_proxy_; | 
|  |  | 
|  | // ConnectionManager under test. | 
|  | ConnectionManager cmut_{&fake_shill_proxy_, &fake_system_state_}; | 
|  | }; | 
|  |  | 
|  | void ConnectionManagerTest::SetManagerReply(const char* default_service, | 
|  | bool reply_succeeds) { | 
|  | ManagerProxyMock* manager_proxy_mock = fake_shill_proxy_.GetManagerProxy(); | 
|  | if (!reply_succeeds) { | 
|  | EXPECT_CALL(*manager_proxy_mock, GetProperties(_, _, _)) | 
|  | .WillOnce(Return(false)); | 
|  | return; | 
|  | } | 
|  |  | 
|  | // Create a dictionary of properties and optionally include the default | 
|  | // service. | 
|  | brillo::VariantDictionary reply_dict; | 
|  | reply_dict["SomeOtherProperty"] = 0xC0FFEE; | 
|  |  | 
|  | if (default_service) { | 
|  | reply_dict[shill::kDefaultServiceProperty] = | 
|  | dbus::ObjectPath(default_service); | 
|  | } | 
|  | EXPECT_CALL(*manager_proxy_mock, GetProperties(_, _, _)) | 
|  | .WillOnce(DoAll(SetArgPointee<0>(reply_dict), Return(true))); | 
|  | } | 
|  |  | 
|  | void ConnectionManagerTest::SetServiceReply(const string& service_path, | 
|  | const char* service_type, | 
|  | const char* physical_technology, | 
|  | const char* service_tethering) { | 
|  | brillo::VariantDictionary reply_dict; | 
|  | reply_dict["SomeOtherProperty"] = 0xC0FFEE; | 
|  |  | 
|  | if (service_type) | 
|  | reply_dict[shill::kTypeProperty] = string(service_type); | 
|  |  | 
|  | if (physical_technology) { | 
|  | reply_dict[shill::kPhysicalTechnologyProperty] = | 
|  | string(physical_technology); | 
|  | } | 
|  |  | 
|  | if (service_tethering) | 
|  | reply_dict[shill::kTetheringProperty] = string(service_tethering); | 
|  |  | 
|  | std::unique_ptr<ServiceProxyMock> service_proxy_mock(new ServiceProxyMock()); | 
|  |  | 
|  | // Plumb return value into mock object. | 
|  | EXPECT_CALL(*service_proxy_mock.get(), GetProperties(_, _, _)) | 
|  | .WillOnce(DoAll(SetArgPointee<0>(reply_dict), Return(true))); | 
|  |  | 
|  | fake_shill_proxy_.SetServiceForPath(dbus::ObjectPath(service_path), | 
|  | std::move(service_proxy_mock)); | 
|  | } | 
|  |  | 
|  | void ConnectionManagerTest::TestWithServiceType( | 
|  | const char* service_type, | 
|  | const char* physical_technology, | 
|  | NetworkConnectionType expected_type) { | 
|  | SetManagerReply("/service/guest/network", true); | 
|  | SetServiceReply("/service/guest/network", | 
|  | service_type, | 
|  | physical_technology, | 
|  | shill::kTetheringNotDetectedState); | 
|  |  | 
|  | NetworkConnectionType type; | 
|  | NetworkTethering tethering; | 
|  | EXPECT_TRUE(cmut_.GetConnectionProperties(&type, &tethering)); | 
|  | EXPECT_EQ(expected_type, type); | 
|  | testing::Mock::VerifyAndClearExpectations( | 
|  | fake_shill_proxy_.GetManagerProxy()); | 
|  | } | 
|  |  | 
|  | void ConnectionManagerTest::TestWithServiceTethering( | 
|  | const char* service_tethering, | 
|  | NetworkTethering expected_tethering) { | 
|  | SetManagerReply("/service/guest/network", true); | 
|  | SetServiceReply( | 
|  | "/service/guest/network", shill::kTypeWifi, nullptr, service_tethering); | 
|  |  | 
|  | NetworkConnectionType type; | 
|  | NetworkTethering tethering; | 
|  | EXPECT_TRUE(cmut_.GetConnectionProperties(&type, &tethering)); | 
|  | EXPECT_EQ(expected_tethering, tethering); | 
|  | testing::Mock::VerifyAndClearExpectations( | 
|  | fake_shill_proxy_.GetManagerProxy()); | 
|  | } | 
|  |  | 
|  | TEST_F(ConnectionManagerTest, SimpleTest) { | 
|  | TestWithServiceType(shill::kTypeEthernet, nullptr, | 
|  | NetworkConnectionType::kEthernet); | 
|  | TestWithServiceType(shill::kTypeWifi, nullptr, | 
|  | NetworkConnectionType::kWifi); | 
|  | TestWithServiceType(shill::kTypeWimax, nullptr, | 
|  | NetworkConnectionType::kWimax); | 
|  | TestWithServiceType(shill::kTypeBluetooth, nullptr, | 
|  | NetworkConnectionType::kBluetooth); | 
|  | TestWithServiceType(shill::kTypeCellular, nullptr, | 
|  | NetworkConnectionType::kCellular); | 
|  | } | 
|  |  | 
|  | TEST_F(ConnectionManagerTest, PhysicalTechnologyTest) { | 
|  | TestWithServiceType(shill::kTypeVPN, nullptr, | 
|  | NetworkConnectionType::kUnknown); | 
|  | TestWithServiceType(shill::kTypeVPN, shill::kTypeVPN, | 
|  | NetworkConnectionType::kUnknown); | 
|  | TestWithServiceType(shill::kTypeVPN, shill::kTypeWifi, | 
|  | NetworkConnectionType::kWifi); | 
|  | TestWithServiceType(shill::kTypeVPN, shill::kTypeWimax, | 
|  | NetworkConnectionType::kWimax); | 
|  | } | 
|  |  | 
|  | TEST_F(ConnectionManagerTest, TetheringTest) { | 
|  | TestWithServiceTethering(shill::kTetheringConfirmedState, | 
|  | NetworkTethering::kConfirmed); | 
|  | TestWithServiceTethering(shill::kTetheringNotDetectedState, | 
|  | NetworkTethering::kNotDetected); | 
|  | TestWithServiceTethering(shill::kTetheringSuspectedState, | 
|  | NetworkTethering::kSuspected); | 
|  | TestWithServiceTethering("I'm not a valid property value =)", | 
|  | NetworkTethering::kUnknown); | 
|  | } | 
|  |  | 
|  | TEST_F(ConnectionManagerTest, UnknownTest) { | 
|  | TestWithServiceType("foo", nullptr, NetworkConnectionType::kUnknown); | 
|  | } | 
|  |  | 
|  | TEST_F(ConnectionManagerTest, AllowUpdatesOverEthernetTest) { | 
|  | // Updates over Ethernet are allowed even if there's no policy. | 
|  | EXPECT_TRUE(cmut_.IsUpdateAllowedOver(NetworkConnectionType::kEthernet, | 
|  | NetworkTethering::kUnknown)); | 
|  | } | 
|  |  | 
|  | TEST_F(ConnectionManagerTest, AllowUpdatesOverWifiTest) { | 
|  | EXPECT_TRUE(cmut_.IsUpdateAllowedOver(NetworkConnectionType::kWifi, | 
|  | NetworkTethering::kUnknown)); | 
|  | } | 
|  |  | 
|  | TEST_F(ConnectionManagerTest, AllowUpdatesOverWimaxTest) { | 
|  | EXPECT_TRUE(cmut_.IsUpdateAllowedOver(NetworkConnectionType::kWimax, | 
|  | NetworkTethering::kUnknown)); | 
|  | } | 
|  |  | 
|  | TEST_F(ConnectionManagerTest, BlockUpdatesOverBluetoothTest) { | 
|  | EXPECT_FALSE(cmut_.IsUpdateAllowedOver(NetworkConnectionType::kBluetooth, | 
|  | NetworkTethering::kUnknown)); | 
|  | } | 
|  |  | 
|  | TEST_F(ConnectionManagerTest, AllowUpdatesOnlyOver3GPerPolicyTest) { | 
|  | policy::MockDevicePolicy allow_3g_policy; | 
|  |  | 
|  | fake_system_state_.set_device_policy(&allow_3g_policy); | 
|  |  | 
|  | // This test tests cellular (3G) being the only connection type being allowed. | 
|  | set<string> allowed_set; | 
|  | allowed_set.insert( | 
|  | cmut_.StringForConnectionType(NetworkConnectionType::kCellular)); | 
|  |  | 
|  | EXPECT_CALL(allow_3g_policy, GetAllowedConnectionTypesForUpdate(_)) | 
|  | .Times(1) | 
|  | .WillOnce(DoAll(SetArgPointee<0>(allowed_set), Return(true))); | 
|  |  | 
|  | EXPECT_TRUE(cmut_.IsUpdateAllowedOver(NetworkConnectionType::kCellular, | 
|  | NetworkTethering::kUnknown)); | 
|  | } | 
|  |  | 
|  | TEST_F(ConnectionManagerTest, AllowUpdatesOver3GAndOtherTypesPerPolicyTest) { | 
|  | policy::MockDevicePolicy allow_3g_policy; | 
|  |  | 
|  | fake_system_state_.set_device_policy(&allow_3g_policy); | 
|  |  | 
|  | // This test tests multiple connection types being allowed, with | 
|  | // 3G one among them. Only Cellular is currently enforced by the policy | 
|  | // setting, the others are ignored (see Bluetooth for example). | 
|  | set<string> allowed_set; | 
|  | allowed_set.insert( | 
|  | cmut_.StringForConnectionType(NetworkConnectionType::kCellular)); | 
|  | allowed_set.insert( | 
|  | cmut_.StringForConnectionType(NetworkConnectionType::kBluetooth)); | 
|  |  | 
|  | EXPECT_CALL(allow_3g_policy, GetAllowedConnectionTypesForUpdate(_)) | 
|  | .Times(3) | 
|  | .WillRepeatedly(DoAll(SetArgPointee<0>(allowed_set), Return(true))); | 
|  |  | 
|  | EXPECT_TRUE(cmut_.IsUpdateAllowedOver(NetworkConnectionType::kEthernet, | 
|  | NetworkTethering::kUnknown)); | 
|  | EXPECT_TRUE(cmut_.IsUpdateAllowedOver(NetworkConnectionType::kEthernet, | 
|  | NetworkTethering::kNotDetected)); | 
|  | EXPECT_TRUE(cmut_.IsUpdateAllowedOver(NetworkConnectionType::kCellular, | 
|  | NetworkTethering::kUnknown)); | 
|  | EXPECT_TRUE(cmut_.IsUpdateAllowedOver(NetworkConnectionType::kWifi, | 
|  | NetworkTethering::kUnknown)); | 
|  | EXPECT_TRUE(cmut_.IsUpdateAllowedOver(NetworkConnectionType::kWimax, | 
|  | NetworkTethering::kUnknown)); | 
|  | EXPECT_FALSE(cmut_.IsUpdateAllowedOver(NetworkConnectionType::kBluetooth, | 
|  | NetworkTethering::kUnknown)); | 
|  |  | 
|  | // Tethered networks are treated in the same way as Cellular networks and | 
|  | // thus allowed. | 
|  | EXPECT_TRUE(cmut_.IsUpdateAllowedOver(NetworkConnectionType::kEthernet, | 
|  | NetworkTethering::kConfirmed)); | 
|  | EXPECT_TRUE(cmut_.IsUpdateAllowedOver(NetworkConnectionType::kWifi, | 
|  | NetworkTethering::kConfirmed)); | 
|  | } | 
|  |  | 
|  | TEST_F(ConnectionManagerTest, BlockUpdatesOverCellularByDefaultTest) { | 
|  | EXPECT_FALSE(cmut_.IsUpdateAllowedOver(NetworkConnectionType::kCellular, | 
|  | NetworkTethering::kUnknown)); | 
|  | } | 
|  |  | 
|  | TEST_F(ConnectionManagerTest, BlockUpdatesOverTetheredNetworkByDefaultTest) { | 
|  | EXPECT_FALSE(cmut_.IsUpdateAllowedOver(NetworkConnectionType::kWifi, | 
|  | NetworkTethering::kConfirmed)); | 
|  | EXPECT_FALSE(cmut_.IsUpdateAllowedOver(NetworkConnectionType::kEthernet, | 
|  | NetworkTethering::kConfirmed)); | 
|  | EXPECT_TRUE(cmut_.IsUpdateAllowedOver(NetworkConnectionType::kWifi, | 
|  | NetworkTethering::kSuspected)); | 
|  | } | 
|  |  | 
|  | TEST_F(ConnectionManagerTest, BlockUpdatesOver3GPerPolicyTest) { | 
|  | policy::MockDevicePolicy block_3g_policy; | 
|  |  | 
|  | fake_system_state_.set_device_policy(&block_3g_policy); | 
|  |  | 
|  | // Test that updates for 3G are blocked while updates are allowed | 
|  | // over several other types. | 
|  | set<string> allowed_set; | 
|  | allowed_set.insert( | 
|  | cmut_.StringForConnectionType(NetworkConnectionType::kEthernet)); | 
|  | allowed_set.insert( | 
|  | cmut_.StringForConnectionType(NetworkConnectionType::kWifi)); | 
|  | allowed_set.insert( | 
|  | cmut_.StringForConnectionType(NetworkConnectionType::kWimax)); | 
|  |  | 
|  | EXPECT_CALL(block_3g_policy, GetAllowedConnectionTypesForUpdate(_)) | 
|  | .Times(1) | 
|  | .WillOnce(DoAll(SetArgPointee<0>(allowed_set), Return(true))); | 
|  |  | 
|  | EXPECT_FALSE(cmut_.IsUpdateAllowedOver(NetworkConnectionType::kCellular, | 
|  | NetworkTethering::kUnknown)); | 
|  | } | 
|  |  | 
|  | TEST_F(ConnectionManagerTest, BlockUpdatesOver3GIfErrorInPolicyFetchTest) { | 
|  | policy::MockDevicePolicy allow_3g_policy; | 
|  |  | 
|  | fake_system_state_.set_device_policy(&allow_3g_policy); | 
|  |  | 
|  | set<string> allowed_set; | 
|  | allowed_set.insert( | 
|  | cmut_.StringForConnectionType(NetworkConnectionType::kCellular)); | 
|  |  | 
|  | // Return false for GetAllowedConnectionTypesForUpdate and see | 
|  | // that updates are still blocked for 3G despite the value being in | 
|  | // the string set above. | 
|  | EXPECT_CALL(allow_3g_policy, GetAllowedConnectionTypesForUpdate(_)) | 
|  | .Times(1) | 
|  | .WillOnce(DoAll(SetArgPointee<0>(allowed_set), Return(false))); | 
|  |  | 
|  | EXPECT_FALSE(cmut_.IsUpdateAllowedOver(NetworkConnectionType::kCellular, | 
|  | NetworkTethering::kUnknown)); | 
|  | } | 
|  |  | 
|  | TEST_F(ConnectionManagerTest, UseUserPrefForUpdatesOverCellularIfNoPolicyTest) { | 
|  | policy::MockDevicePolicy no_policy; | 
|  | testing::NiceMock<MockPrefs>* prefs = fake_system_state_.mock_prefs(); | 
|  |  | 
|  | fake_system_state_.set_device_policy(&no_policy); | 
|  |  | 
|  | // No setting enforced by the device policy, user prefs should be used. | 
|  | EXPECT_CALL(no_policy, GetAllowedConnectionTypesForUpdate(_)) | 
|  | .Times(3) | 
|  | .WillRepeatedly(Return(false)); | 
|  |  | 
|  | // No user pref: block. | 
|  | EXPECT_CALL(*prefs, Exists(kPrefsUpdateOverCellularPermission)) | 
|  | .Times(1) | 
|  | .WillOnce(Return(false)); | 
|  | EXPECT_FALSE(cmut_.IsUpdateAllowedOver(NetworkConnectionType::kCellular, | 
|  | NetworkTethering::kUnknown)); | 
|  |  | 
|  | // Allow per user pref. | 
|  | EXPECT_CALL(*prefs, Exists(kPrefsUpdateOverCellularPermission)) | 
|  | .Times(1) | 
|  | .WillOnce(Return(true)); | 
|  | EXPECT_CALL(*prefs, GetBoolean(kPrefsUpdateOverCellularPermission, _)) | 
|  | .Times(1) | 
|  | .WillOnce(DoAll(SetArgPointee<1>(true), Return(true))); | 
|  | EXPECT_TRUE(cmut_.IsUpdateAllowedOver(NetworkConnectionType::kCellular, | 
|  | NetworkTethering::kUnknown)); | 
|  |  | 
|  | // Block per user pref. | 
|  | EXPECT_CALL(*prefs, Exists(kPrefsUpdateOverCellularPermission)) | 
|  | .Times(1) | 
|  | .WillOnce(Return(true)); | 
|  | EXPECT_CALL(*prefs, GetBoolean(kPrefsUpdateOverCellularPermission, _)) | 
|  | .Times(1) | 
|  | .WillOnce(DoAll(SetArgPointee<1>(false), Return(true))); | 
|  | EXPECT_FALSE(cmut_.IsUpdateAllowedOver(NetworkConnectionType::kCellular, | 
|  | NetworkTethering::kUnknown)); | 
|  | } | 
|  |  | 
|  | TEST_F(ConnectionManagerTest, StringForConnectionTypeTest) { | 
|  | EXPECT_STREQ(shill::kTypeEthernet, | 
|  | cmut_.StringForConnectionType(NetworkConnectionType::kEthernet)); | 
|  | EXPECT_STREQ(shill::kTypeWifi, | 
|  | cmut_.StringForConnectionType(NetworkConnectionType::kWifi)); | 
|  | EXPECT_STREQ(shill::kTypeWimax, | 
|  | cmut_.StringForConnectionType(NetworkConnectionType::kWimax)); | 
|  | EXPECT_STREQ(shill::kTypeBluetooth, | 
|  | cmut_.StringForConnectionType( | 
|  | NetworkConnectionType::kBluetooth)); | 
|  | EXPECT_STREQ(shill::kTypeCellular, | 
|  | cmut_.StringForConnectionType(NetworkConnectionType::kCellular)); | 
|  | EXPECT_STREQ("Unknown", | 
|  | cmut_.StringForConnectionType(NetworkConnectionType::kUnknown)); | 
|  | EXPECT_STREQ("Unknown", | 
|  | cmut_.StringForConnectionType( | 
|  | static_cast<NetworkConnectionType>(999999))); | 
|  | } | 
|  |  | 
|  | TEST_F(ConnectionManagerTest, MalformedServiceList) { | 
|  | SetManagerReply("/service/guest/network", false); | 
|  |  | 
|  | NetworkConnectionType type; | 
|  | NetworkTethering tethering; | 
|  | EXPECT_FALSE(cmut_.GetConnectionProperties(&type, &tethering)); | 
|  | } | 
|  |  | 
|  | }  // namespace chromeos_update_engine |