1 // 2 // Copyright (C) 2014 The Android Open Source Project 3 // 4 // Licensed under the Apache License, Version 2.0 (the "License"); 5 // you may not use this file except in compliance with the License. 6 // You may obtain a copy of the License at 7 // 8 // http://www.apache.org/licenses/LICENSE-2.0 9 // 10 // Unless required by applicable law or agreed to in writing, software 11 // distributed under the License is distributed on an "AS IS" BASIS, 12 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 // See the License for the specific language governing permissions and 14 // limitations under the License. 15 // 16 17 #ifndef UPDATE_ENGINE_UPDATE_MANAGER_DEVICE_POLICY_PROVIDER_H_ 18 #define UPDATE_ENGINE_UPDATE_MANAGER_DEVICE_POLICY_PROVIDER_H_ 19 20 #include <set> 21 #include <string> 22 23 #include <base/time/time.h> 24 #include <base/version.h> 25 #include <policy/libpolicy.h> 26 27 #include "update_engine/update_manager/provider.h" 28 #include "update_engine/update_manager/rollback_prefs.h" 29 #include "update_engine/update_manager/shill_provider.h" 30 #include "update_engine/update_manager/variable.h" 31 #include "update_engine/update_manager/weekly_time.h" 32 33 namespace chromeos_update_manager { 34 35 // Provides access to the current DevicePolicy. 36 class DevicePolicyProvider : public Provider { 37 public: ~DevicePolicyProvider()38 ~DevicePolicyProvider() override {} 39 40 // Variable stating whether the DevicePolicy was loaded. 41 virtual Variable<bool>* var_device_policy_is_loaded() = 0; 42 43 // Variables mapping the information received on the DevicePolicy protobuf. 44 virtual Variable<std::string>* var_release_channel() = 0; 45 46 virtual Variable<bool>* var_release_channel_delegated() = 0; 47 48 virtual Variable<std::string>* var_release_lts_tag() = 0; 49 50 virtual Variable<bool>* var_update_disabled() = 0; 51 52 virtual Variable<std::string>* var_target_version_prefix() = 0; 53 54 // Variable returning what should happen if the target_version_prefix is 55 // earlier than the current Chrome OS version. 56 virtual Variable<RollbackToTargetVersion>* 57 var_rollback_to_target_version() = 0; 58 59 // Variable returning the number of Chrome milestones rollback should be 60 // possible. Rollback protection will be postponed by this many versions. 61 virtual Variable<int>* var_rollback_allowed_milestones() = 0; 62 63 // Returns a non-negative scatter interval used for updates. 64 virtual Variable<base::TimeDelta>* var_scatter_factor() = 0; 65 66 // Variable returning the set of connection types allowed for updates. The 67 // identifiers returned are consistent with the ones returned by the 68 // ShillProvider. 69 virtual Variable<std::set<chromeos_update_engine::ConnectionType>>* 70 var_allowed_connection_types_for_update() = 0; 71 72 // Variable stating whether the device has an owner. For enterprise enrolled 73 // devices, this will be false as the device owner has an empty string. 74 virtual Variable<bool>* var_has_owner() = 0; 75 76 virtual Variable<bool>* var_http_downloads_enabled() = 0; 77 78 virtual Variable<bool>* var_au_p2p_enabled() = 0; 79 80 virtual Variable<bool>* var_allow_kiosk_app_control_chrome_version() = 0; 81 82 // Variable that contains the app that is to be run when launched in kiosk 83 // mode. If the device is not in kiosk-mode this should be empty. 84 virtual Variable<std::string>* var_auto_launched_kiosk_app_id() = 0; 85 86 // Variable that contains the time intervals during the week for which update 87 // checks are disallowed. 88 virtual Variable<WeeklyTimeIntervalVector>* 89 var_disallowed_time_intervals() = 0; 90 91 // Variable that determins whether we should powerwash and rollback on channel 92 // downgrade for enrolled devices. 93 virtual Variable<ChannelDowngradeBehavior>* 94 var_channel_downgrade_behavior() = 0; 95 96 // Variable that contains Chrome OS minimum required version. It contains a 97 // Chrome OS version number. 98 virtual Variable<base::Version>* var_device_minimum_version() = 0; 99 100 // Variable that contains a token which maps to a Chrome OS Quick Fix Build to 101 // which the device would be updated if not blocked by another policy. 102 virtual Variable<std::string>* var_quick_fix_build_token() = 0; 103 104 protected: DevicePolicyProvider()105 DevicePolicyProvider() {} 106 107 private: 108 DISALLOW_COPY_AND_ASSIGN(DevicePolicyProvider); 109 }; 110 111 } // namespace chromeos_update_manager 112 113 #endif // UPDATE_ENGINE_UPDATE_MANAGER_DEVICE_POLICY_PROVIDER_H_ 114