/*
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* hw_identifier.cpp
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*
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* Created on: Dec 22, 2019
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* Author: GC
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*/
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#include <algorithm>
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#include "hw_identifier.hpp"
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#include "../base/base64.h"
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namespace license {
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namespace hw_identifier {
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using namespace std;
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HwIdentifier::HwIdentifier() {}
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HwIdentifier::HwIdentifier(const std::string& param) {
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string tmp_str(param); // throw away const
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std::replace(tmp_str.begin(), tmp_str.end(), '-', '\n');
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vector<uint8_t> decoded = unbase64(tmp_str);
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if (decoded.size() != HW_IDENTIFIER_PROPRIETARY_DATA + 1) {
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cerr << decoded.size();
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throw logic_error("wrong identifier size " + param);
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}
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std::copy_n(decoded.begin(), HW_IDENTIFIER_PROPRIETARY_DATA + 1, m_data.begin());
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}
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HwIdentifier::~HwIdentifier() {}
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HwIdentifier::HwIdentifier(const HwIdentifier& other) : m_data(other.m_data) {}
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void HwIdentifier::set_identification_strategy(LCC_API_IDENTIFICATION_STRATEGY strategy) {
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if (strategy == STRATEGY_NONE || strategy == STRATEGY_DEFAULT) {
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throw logic_error("Only known strategies are permitted");
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}
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uint8_t stratMov = (strategy << 5);
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m_data[1] = (m_data[1] & 0x1F) | stratMov;
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}
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void HwIdentifier::set_use_environment_var(bool use_env_var) {
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if (use_env_var) {
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m_data[0] = m_data[0] | 0x40;
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} else {
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m_data[0] = m_data[0] & ~0x40;
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}
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}
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void HwIdentifier::set_virtual_environment(os::VIRTUALIZATION virt) {
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// 110000 0x30
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m_data[0] = (m_data[0] & ~0x30) | virt << 4;
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}
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void HwIdentifier::set_virtualization(os::VIRTUALIZATION_DETAIL virtualization_detail) {
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m_data[0] = (m_data[0] & ~0x0F) | virtualization_detail;
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}
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void HwIdentifier::set_cloud_provider(os::CLOUD_PROVIDER cloud_provider) {
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m_data[0] = (m_data[0] & ~0x0F) | cloud_provider | 0x08;
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}
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void HwIdentifier::set_data(const std::array<uint8_t, HW_IDENTIFIER_PROPRIETARY_DATA>& data) {
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m_data[1] = (m_data[1] & (~0x1f)) | (data[0] & 0x1f);
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for (int i = 1; i < HW_IDENTIFIER_PROPRIETARY_DATA; i++) {
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m_data[i + 1] = data[i];
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}
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}
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std::string HwIdentifier::print() const {
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string result = base64(m_data.data(), m_data.size(), 5);
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std::replace(result.begin(), result.end(), '\n', '-');
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return result.substr(0, result.size() - 1);
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}
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LCC_API_IDENTIFICATION_STRATEGY HwIdentifier::get_identification_strategy() const {
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uint8_t stratMov = m_data[1] >> 5;
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return static_cast<LCC_API_IDENTIFICATION_STRATEGY>(stratMov);
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}
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bool HwIdentifier::data_match(const std::array<uint8_t, HW_IDENTIFIER_PROPRIETARY_DATA>& data) const {
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bool equals = true;
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for (int i = 0; i < HW_IDENTIFIER_PROPRIETARY_DATA && equals; i++) {
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equals = (i == 0) ? ((data[i] & 0x1f) == (m_data[i + 1] & 0x1f)) : (data[i] == m_data[i + 1]);
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}
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return equals;
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}
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bool operator==(const HwIdentifier& lhs, const HwIdentifier& rhs) {
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bool equals = lhs.get_identification_strategy() == rhs.get_identification_strategy();
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for (int i = 0; i < HW_IDENTIFIER_PROPRIETARY_DATA && equals; i++) {
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equals = (i == 0) ? ((rhs.m_data[i + 1] & 0x1f) == (lhs.m_data[i + 1] & 0x1f))
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: (lhs.m_data[i + 1] == rhs.m_data[i + 1]);
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}
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return equals;
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}
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} // namespace hw_identifier
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} /* namespace license */
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