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 26using std::map; 27using std::string; 28 29namespace chromeos_update_engine { 30 31const char HwidOverride::kHwidOverrideKey[] = "HWID_OVERRIDE"; 32 33HwidOverride::HwidOverride() {} 34 35HwidOverride::~HwidOverride() {} 36 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