1 // 2 // Copyright (C) 2013 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 #include "update_engine/common/hwid_override.h" 18 19 #include <map> 20 #include <string> 21 22 #include <base/files/file_path.h> 23 #include <base/files/file_util.h> 24 #include <brillo/key_value_store.h> 25 26 using std::map; 27 using std::string; 28 29 namespace chromeos_update_engine { 30 31 const char HwidOverride::kHwidOverrideKey[] = "HWID_OVERRIDE"; 32 HwidOverride()33HwidOverride::HwidOverride() {} 34 ~HwidOverride()35HwidOverride::~HwidOverride() {} 36 Read(const base::FilePath & root)37string HwidOverride::Read(const base::FilePath& root) { 38 brillo::KeyValueStore lsb_release; 39 lsb_release.Load(base::FilePath(root.value() + "/etc/lsb-release")); 40 string result; 41 if (lsb_release.GetString(kHwidOverrideKey, &result)) 42 return result; 43 return ""; 44 } 45 46 } // namespace chromeos_update_engine 47