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70 lines
2.1 KiB
70 lines
2.1 KiB
//
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// Copyright (C) 2020 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#include "update_engine/cros/requisition_util.h"
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#include <memory>
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#include <vector>
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#include <base/files/file_util.h>
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#include <base/json/json_file_value_serializer.h>
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#include <base/logging.h>
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#include <base/strings/string_util.h>
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#include "update_engine/common/subprocess.h"
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#include "update_engine/common/utils.h"
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using std::string;
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using std::vector;
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namespace {
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constexpr char kOemRequisitionKey[] = "oem_device_requisition";
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} // namespace
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namespace chromeos_update_engine {
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string ReadDeviceRequisition(const base::FilePath& local_state) {
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string requisition;
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bool vpd_retval = utils::GetVpdValue(kOemRequisitionKey, &requisition);
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// Some users manually convert non-CfM hardware at enrollment time, so VPD
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// value may be missing. So check the Local State JSON as well.
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if ((requisition.empty() || !vpd_retval) && base::PathExists(local_state)) {
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int error_code;
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std::string error_msg;
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JSONFileValueDeserializer deserializer(local_state);
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std::unique_ptr<base::Value> root =
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deserializer.Deserialize(&error_code, &error_msg);
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if (!root) {
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if (error_code != 0) {
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LOG(ERROR) << "Unable to deserialize Local State with exit code: "
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<< error_code << " and error: " << error_msg;
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}
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return "";
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}
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auto* path = root->FindPath({"enrollment", "device_requisition"});
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if (!path || !path->is_string()) {
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return "";
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}
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path->GetAsString(&requisition);
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}
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return requisition;
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}
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} // namespace chromeos_update_engine
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