#include <build_properties.h>
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#include <private-key.h>
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#include "license-generator.h"
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#include "../base_lib/CryptoHelper.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <iostream>
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#include <string.h>
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#include <iostream>
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#include <string.h>
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#include <boost/date_time.hpp>
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#include <boost/program_options.hpp>
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#include <boost/algorithm/string.hpp>
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#include <boost/unordered_map.hpp>
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#include <boost/assign.hpp>
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#include <fstream>
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#include <regex>
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#include <boost/filesystem.hpp>
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namespace fs = boost::filesystem;
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namespace bt = boost::posix_time;
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namespace po = boost::program_options;
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using namespace std;
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namespace license {
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void LicenseGenerator::printHelp(const char* prog_name,
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const po::options_description& options) {
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cout << endl;
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cout << prog_name << " Version " << PROJECT_VERSION << endl << ". Usage:"
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<< endl;
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cout << prog_name << " [options] product_name1 product_name2 ... " << endl
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<< endl;
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cout
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<< " product_name1 ... = Product name. This string must match the one passed by the software."
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<< endl;
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cout << options << endl;
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}
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po::options_description LicenseGenerator::configureProgramOptions() {
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po::options_description common("General options");
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common.add_options()("help,h", "print help message and exit.") //
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("verbose,v", "print more information.") //
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("output,o", po::value<string>(), "Output file name. If not specified the "
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"license will be printed in standard output"); //
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po::options_description licenseGeneration("License Generation");
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licenseGeneration.add_options()("private_key,p", po::value<string>(),
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"Specify an alternate file for the primary key to be used. "
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"If not specified the internal primary key will be used.") //
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("begin_date,b", po::value<string>(),
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"Specify the start of the validity for this license. "
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" Format YYYYMMDD. If not specified defaults to today") //
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("expire_date,e", po::value<string>(),
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"Specify the expire date for this license. "
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" Format YYYYMMDD. If not specified the license won't expire") //
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("client_signature,s", po::value<string>(),
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"The signature of the pc that requires the license. "
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"It should be in the format XXXX-XXXX-XXXX-XXXX."
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" If not specified the license "
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"won't be linked to a specific pc.") //
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("start_version,t", po::value<unsigned int>()->default_value(0
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/*FullLicenseInfo.UNUSED_SOFTWARE_VERSION*/, "All Versions"),
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"Specify the first version of the software this license apply to.") //
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("end_version,n", po::value<unsigned int>()->default_value(0
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/*FullLicenseInfo.UNUSED_SOFTWARE_VERSION*/, "All Versions"),
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"Specify the last version of the software this license apply to."); //
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po::options_description visibleOptions;
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visibleOptions.add(common).add(licenseGeneration);
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return visibleOptions;
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}
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vector<FullLicenseInfo> LicenseGenerator::parseLicenseInfo(
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const po::variables_map& vm) {
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string begin_date = FullLicenseInfo::UNUSED_TIME;
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string end_date = FullLicenseInfo::UNUSED_TIME;
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if (vm.count("expire_date")) {
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const std::string dt_end = vm["expire_date"].as<string>();
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try {
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end_date = normalize_date(dt_end);
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char curdate[20];
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time_t curtime = time(NULL);
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strftime(curdate, 20, "%Y-%m-%d", localtime(&curtime));
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begin_date.assign(curdate);
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} catch (const invalid_argument &e) {
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cerr << endl << "End date not recognized: " << dt_end
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<< " Please enter a valid date in format YYYYMMDD" << endl;
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exit(2);
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}
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}
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if (vm.count("begin_date")) {
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const std::string begin_date_str = vm["begin_date"].as<string>();
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try {
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begin_date = normalize_date(begin_date_str);
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} catch (invalid_argument &e) {
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cerr << endl << "Begin date not recognized: " << begin_date_str
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<< " Please enter a valid date in format YYYYMMDD" << endl;
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//print_usage(vm);
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exit(2);
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}
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}
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string client_signature = "";
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if (vm.count("client_signature")) {
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client_signature = vm["client_signature"].as<string>();
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regex e("[A-Za-z0-9\\+/]{4}-[A-Za-z0-9\\+/]{4}-[A-Za-z0-9\\+/]{4}-[A-Za-z0-9\\+/]{4}");
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if (!regex_match(client_signature, e)) {
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cerr << endl << "Client signature not recognized: "
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<< client_signature
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<< " Please enter a valid signature in format XXXX-XXXX-XXXX-XXXX"
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<< endl;
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exit(2);
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}
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}
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string extra_data = "";
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if (vm.count("extra_data")) {
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extra_data = vm["extra_data"].as<string>();
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}
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unsigned int from_sw_version = vm["start_version"].as<unsigned int>();
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unsigned int to_sw_version = vm["end_version"].as<unsigned int>();
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if (vm.count("product") == 0) {
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cerr << endl << "Parameter [product] not found. " << endl;
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exit(2);
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}
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vector<string> products = vm["product"].as<vector<string>>();
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vector<FullLicenseInfo> licInfo;
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licInfo.reserve(products.size());
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for (auto it = products.begin(); it != products.end(); it++) {
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if (boost::algorithm::trim_copy(*it).length() > 0) {
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licInfo.push_back(
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FullLicenseInfo("", *it, "", PROJECT_INT_VERSION,
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begin_date, end_date, client_signature,
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from_sw_version, to_sw_version, extra_data));
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}
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}
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return licInfo;
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}
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void LicenseGenerator::generateAndOutputLicenses(const po::variables_map& vm,
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ostream& outputFile) {
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vector<FullLicenseInfo> licenseInfo = parseLicenseInfo(vm);
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unique_ptr<CryptoHelper> helper = CryptoHelper::getInstance();
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const char pkey[] = PRIVATE_KEY;
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size_t len = sizeof(pkey);
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for (auto it = licenseInfo.begin(); it != licenseInfo.end(); ++it) {
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const string license = it->printForSign();
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string signature = helper->signString((const void *)pkey,len,license);
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it->license_signature = signature;
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it->printAsIni(outputFile);
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}
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}
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int LicenseGenerator::generateLicense(int argc, const char **argv) {
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po::options_description visibleOptions = configureProgramOptions();
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//positional options must be added to standard options
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po::options_description allOptions;
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allOptions.add(visibleOptions).add_options()("product",
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po::value<vector<string>>(), "product names");
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po::positional_options_description p;
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p.add("product", -1);
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po::variables_map vm;
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po::store(
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po::command_line_parser(argc, argv).options(allOptions).positional(
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p).run(), vm);
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po::notify(vm);
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if (vm.count("help") || argc == 1) {
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printHelp(argv[0], visibleOptions);
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return 0;
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}
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if (vm.count("output")) {
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const std::string fname = vm["output"].as<string>();
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fstream ofstream(fname, std::ios::out | std::ios::trunc);
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if (!ofstream.is_open()) {
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cerr << "can't open file [" << fname << "] for output." << endl
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<< " error: " << strerror( errno);
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exit(3);
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}
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generateAndOutputLicenses(vm, ofstream);
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ofstream.close();
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} else {
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generateAndOutputLicenses(vm, cout);
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}
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return 0;
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}
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const std::string formats[] = { "%4u-%2u-%2u", "%4u/%2u/%2u", "%4u%2u%2u" };
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const size_t formats_n = 3;
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string LicenseGenerator::normalize_date(const std::string& sDate) {
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if(sDate.size()<8)
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throw invalid_argument("Date string too small for known formats");
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unsigned int year, month, day;
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bool found = false;
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for (size_t i = 0; i < formats_n && !found; ++i) {
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const int chread = sscanf(sDate.c_str(),formats[i].c_str(),&year,&month,&day);
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if(chread==3) {
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found = true;
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break;
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}
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}
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if(!found)
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throw invalid_argument("Date string did not match a known format");
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ostringstream oss;
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oss << year << "-" << setfill('0') << std::setw(2) << month << "-" << setfill('0') << std::setw(2) << day;
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return oss.str();
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}
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}
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