//============================================================================
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// Name : licensecc.cpp
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// Author :
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// Version :
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// Copyright : BSD
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//============================================================================
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#define __STDC_WANT_LIB_EXT1__ 1
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#include <fstream>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <cstring>
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#include <iostream>
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#include <licensecc/datatypes.h>
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#include <licensecc/licensecc.h>
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#include <licensecc_properties.h>
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#include "base/logger.h"
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#include "base/string_utils.h"
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#include "hw_identifier/hw_identifier_facade.hpp"
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#include "os/execution_environment.hpp"
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#include "limits/license_verifier.hpp"
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#include "base/string_utils.h"
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#include "LicenseReader.hpp"
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#include "../test/functional/generate-license.h"
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using namespace license;
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using namespace std;
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void print_error(char out_buffer[LCC_API_ERROR_BUFFER_SIZE], LicenseInfo* licenseInfo) {}
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bool identify_pc(LCC_API_HW_IDENTIFICATION_STRATEGY pc_id_method, char* chbuffer, size_t* bufSize,
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ExecutionEnvironmentInfo* execution_environment_info) {
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bool result = false;
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if (*bufSize > LCC_API_PC_IDENTIFIER_SIZE && chbuffer != nullptr) {
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try {
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const string pc_id = license::hw_identifier::HwIdentifierFacade::generate_user_pc_signature(pc_id_method);
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license::mstrlcpy(chbuffer, pc_id.c_str(), *bufSize);
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result = true;
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} catch (const std::exception& ex) {
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LOG_ERROR("Error calculating hw_identifier: %s", ex.what());
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#ifndef NDEBUG
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cerr << "Error occurred in identify_pc: " << ex.what() << std::endl;
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#endif
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}
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} else {
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*bufSize = LCC_API_PC_IDENTIFIER_SIZE + 1;
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}
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static const license::os::ExecutionEnvironment exec_env;
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if (execution_environment_info != nullptr) {
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execution_environment_info->cloud_provider = exec_env.cloud_provider();
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execution_environment_info->virtualization = exec_env.virtualization();
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execution_environment_info->virtualization_detail = exec_env.virtualization_detail();
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}
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return result;
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}
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static void mergeLicenses(const vector<LicenseInfo>& licenses, LicenseInfo* license_out) {
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if (license_out != nullptr) {
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int days_left = INT_MIN;
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for (auto it = licenses.begin(); it != licenses.end(); it++) {
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// choose the license that expires later...
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if (!it->has_expiry) {
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*license_out = *it;
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break;
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} else if (days_left < (int)it->days_left) {
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*license_out = *it;
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days_left = it->days_left;
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}
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}
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}
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}
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LCC_EVENT_TYPE acquire_license(const CallerInformations* callerInformation, const LicenseLocation* licenseLocation,
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LicenseInfo* license_out) {
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const license::LicenseReader lr = license::LicenseReader(licenseLocation);
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vector<license::FullLicenseInfo> licenses;
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string project;
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size_t str_size;
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if (callerInformation != nullptr &&
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(str_size = license::mstrnlen_s(callerInformation->feature_name, sizeof callerInformation->feature_name)) > 0) {
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project = string(callerInformation->feature_name, str_size);
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} else {
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project = string(LCC_PROJECT_NAME);
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}
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license::EventRegistry er = lr.readLicenses(string(project), licenses);
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LCC_EVENT_TYPE result;
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if (licenses.size() > 0) {
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vector<LicenseInfo> licenses_with_errors;
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vector<LicenseInfo> licenses_ok;
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license::LicenseVerifier verifier(er);
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for (auto full_lic_info_it = licenses.begin(); full_lic_info_it != licenses.end(); full_lic_info_it++) {
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if (callerInformation != nullptr) {
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full_lic_info_it->m_magic = callerInformation->magic;
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}
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const FUNCTION_RETURN signatureValid = verifier.verify_signature(*full_lic_info_it);
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LicenseInfo licInfo = verifier.toLicenseInfo(*full_lic_info_it);
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if (signatureValid == FUNC_RET_OK) {
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if (verifier.verify_limits(*full_lic_info_it) == FUNC_RET_OK) {
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licenses_ok.push_back(licInfo);
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} else {
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licenses_with_errors.push_back(licInfo);
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}
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} else {
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licenses_with_errors.push_back(licInfo);
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}
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}
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if (licenses_ok.size() > 0) {
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er.turnErrorsIntoWarnings();
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result = LICENSE_OK;
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mergeLicenses(licenses_ok, license_out);
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} else {
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er.turnWarningsIntoErrors();
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result = er.getLastFailure()->event_type;
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mergeLicenses(licenses_with_errors, license_out);
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}
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} else {
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er.turnWarningsIntoErrors();
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result = er.getLastFailure()->event_type;
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if (license_out != nullptr) {
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license_out->proprietary_data[0] = '\0';
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license_out->linked_to_pc = false;
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license_out->days_left = 0;
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}
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}
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#ifndef NDEBUG
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const string evlog = er.to_string();
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LOG_DEBUG("License status %s", evlog.c_str());
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#endif
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if (license_out != nullptr) {
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er.exportLastEvents(license_out->status, LCC_API_AUDIT_EVENT_NUM);
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}
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return result;
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}
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LCC_EVENT_TYPE confirm_license(char* product, LicenseLocation licenseLocation) { return LICENSE_OK; }
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LCC_EVENT_TYPE release_license(char* product, LicenseLocation licenseLocation) { return LICENSE_OK; }
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