Added link

Gabriele Contini

2019-09-01 e4508e6f9ac35b4d6cb64f3613265e16348d24f4

 src/library/LicenseReader.cpp

@@ -2,7 +2,7 @@
 * LicenseReader.cpp
 *
 *  Created on: Mar 30, 2014
 *      Author: devel
 *      
 */

#ifdef _WIN32
@@ -18,20 +18,23 @@
#include <fstream>
#include <sstream>
#include <stdlib.h>
#include <math.h>
#include "pc-identifiers.h"
#include "LicenseReader.h"
#include "base/StringUtils.h"
#include "base/public-key.h"
#include "base/logger.h"
#include "public-key.h"
#include <build_properties.h>

#include "os/os.hpp"

namespace license {

const char *FullLicenseInfo::UNUSED_TIME = "0000-00-00";

FullLicenseInfo::FullLicenseInfo(const string& source, const string& product,
      const string& license_signature, int licenseVersion, //
      time_t from_date, time_t to_date, //
      const string& client_signature, unsigned int from_sw_version,
      unsigned int to_sw_version, const string& extra_data) :
      const string& license_signature, int licenseVersion, string from_date,
      string to_date, const string& client_signature,
      unsigned int from_sw_version, unsigned int to_sw_version,
      const string& extra_data) :
      source(source), product(product), //
      license_signature(license_signature), license_version(licenseVersion), //
      from_date(from_date), to_date(to_date), //
@@ -47,20 +50,30 @@

EventRegistry FullLicenseInfo::validate(int sw_version) {
   EventRegistry er;
   bool sigVerified = OsFunctions::verifySignature(printForSign().c_str(),
   os_initialize();
   FUNCTION_RETURN sigVer = verifySignature(printForSign().c_str(),
         license_signature.c_str());
   bool sigVerified = sigVer == FUNC_RET_OK;
   if (sigVerified) {
      er.addEvent(LICENSE_VERIFIED, INFO);
      er.addEvent(LICENSE_VERIFIED, SVRT_INFO);
   } else {
      er.addEvent(LICENSE_CORRUPTED, SEVERITY_ERROR);
      er.addEvent(LICENSE_CORRUPTED, SVRT_ERROR);
   }
   if (has_expiry) {
      time_t now = time(NULL);
      if (this->to_date < now) {
         er.addEvent(PRODUCT_EXPIRED, SEVERITY_ERROR, "");
      if (expires_on() < now) {
         er.addEvent(PRODUCT_EXPIRED, SVRT_ERROR, "");
      }
      if (this->from_date > now) {
         er.addEvent(PRODUCT_EXPIRED, SEVERITY_ERROR);
      if (valid_from() > now) {
         er.addEvent(PRODUCT_EXPIRED, SVRT_ERROR);
      }
   }
   if (has_client_sig) {
      PcSignature str_code;
      strncpy(str_code, client_signature.c_str(), sizeof(str_code)-1);
      EVENT_TYPE event = validate_pc_signature(str_code);
      if (event != LICENSE_OK) {
         er.addEvent(event, SVRT_ERROR);
      }
   }
   return er;
@@ -77,26 +90,17 @@
         license->expiry_date[0] = '\0';
         license->days_left = 999999;
      } else {
         tm * timeinfo = localtime(&to_date);
         strftime(license->expiry_date, 11, "%Y-%m-%d", timeinfo);
         double secs = difftime(time(NULL), to_date);
         license->days_left = (int) secs / 60 * 60 * 24;
         strncpy(license->expiry_date, to_date.c_str(), 11);
         double secs = difftime(
            seconds_from_epoch(to_date.c_str()),
            time(NULL));
         license->days_left = round(secs / (60 * 60 * 24));
      }
   }
}
LicenseReader::LicenseReader(const LicenseLocation& licenseLocation) :
      licenseLocation(licenseLocation) {

}

time_t LicenseReader::read_date(const char * productName, const char * ini_key,
      const CSimpleIniA& ini) const {
   string from_date_str = ini.GetValue(productName, ini_key);
   time_t from_date = FullLicenseInfo::UNUSED_TIME;
   if (from_date_str.length() > 0) {
      from_date = seconds_from_epoch(from_date_str.c_str());
   }
   return from_date;
}

EventRegistry LicenseReader::readLicenses(const string &product,
@@ -114,7 +118,7 @@
      ini.Reset();
      SI_Error rc = ini.LoadFile((*it).c_str());
      if (rc < 0) {
         result.addEvent(FILE_FORMAT_NOT_RECOGNIZED, SEVERITY_WARN, *it);
         result.addEvent(FILE_FORMAT_NOT_RECOGNIZED, SVRT_WARN, *it);
         continue;
      } else {
         loadAtLeastOneFile = true;
@@ -122,7 +126,7 @@
      const char* productNamePtr = product.c_str();
      int sectionSize = ini.GetSectionSize(productNamePtr);
      if (sectionSize <= 0) {
         result.addEvent(PRODUCT_NOT_LICENSED, SEVERITY_WARN, *it);
         result.addEvent(PRODUCT_NOT_LICENSED, SVRT_WARN, *it);
         continue;
      } else {
         atLeastOneProductLicensed = true;
@@ -132,7 +136,7 @@
       *  sw_version_to = (optional int)
       *  from_date = YYYY-MM-DD (optional)
       *  to_date  = YYYY-MM-DD (optional)
       *  client_signature = XXXXXXXX (optional string 16)
       *  client_signature = XXXX-XXXX-XXXX-XXXX (optional string 16)
       *  license_signature = XXXXXXXXXX (mandatory, 1024)
       *  application_data = xxxxxxxxx (optional string 16)
       */
@@ -141,14 +145,31 @@
      long license_version = ini.GetLongValue(productNamePtr,
            "license_version", -1);
      if (license_signature != NULL && license_version > 0) {
         time_t from_date = read_date(productNamePtr, "from_date", ini);
         time_t to_date = read_date(productNamePtr, "to_date", ini);
         string from_date = trim_copy(
               ini.GetValue(productNamePtr, "from_date",
                     FullLicenseInfo::UNUSED_TIME));
         string to_date = trim_copy(
               ini.GetValue(productNamePtr, "to_date",
                     FullLicenseInfo::UNUSED_TIME));
         string client_signature = trim_copy(
               ini.GetValue(productNamePtr, "client_signature", ""));
         /*client_signature.erase(
          std::remove(client_signature.begin(), client_signature.end(), '-'),
          client_signature.end());*/
         int from_sw_version = ini.GetLongValue(productNamePtr,
               "from_sw_version",
               FullLicenseInfo::UNUSED_SOFTWARE_VERSION);
         int to_sw_version = ini.GetLongValue(productNamePtr,
               "to_sw_version", FullLicenseInfo::UNUSED_SOFTWARE_VERSION);
         string extra_data = trim_copy(
               ini.GetValue(productNamePtr, "extra_data", ""));
         FullLicenseInfo licInfo(*it, product, license_signature,
               (int) license_version, from_date, to_date);
               (int) license_version, from_date, to_date, client_signature,
               from_sw_version, to_sw_version, extra_data);
         licenseInfoOut.push_back(licInfo);
         atLeastOneLicenseComplete = true;
      } else {
         result.addEvent(LICENSE_MALFORMED, SEVERITY_WARN, *it);
         result.addEvent(LICENSE_MALFORMED, SVRT_WARN, *it);
      }
   }
   if (!loadAtLeastOneFile) {
@@ -179,12 +200,11 @@
            for (auto it = existing_pos.begin(); it != existing_pos.end();
                  ++it) {
               diskFiles.push_back(*it);
               eventRegistry.addEvent(LICENSE_FILE_FOUND, INFO, *it);
               eventRegistry.addEvent(LICENSE_FILE_FOUND, SVRT_INFO, *it);
            }
         }
      } else {
         eventRegistry.addEvent(LICENSE_FILE_NOT_FOUND, SEVERITY_WARN,
               varName);
         eventRegistry.addEvent(LICENSE_FILE_NOT_FOUND, SVRT_WARN, varName);
      }
   }
   return licenseFoundWithExplicitLocation;
@@ -209,19 +229,19 @@
               for (auto it = existing_pos.begin();
                     it != existing_pos.end(); ++it) {
                  diskFiles.push_back(*it);
                  eventRegistry.addEvent(LICENSE_FILE_FOUND, INFO, *it);
                  eventRegistry.addEvent(LICENSE_FILE_FOUND, SVRT_INFO,
                        *it);
               }
            } else {
               eventRegistry.addEvent(LICENSE_FILE_NOT_FOUND,
                     SEVERITY_WARN, env_var_value);
               eventRegistry.addEvent(LICENSE_FILE_NOT_FOUND, SVRT_WARN,
                     env_var_value);
            }
         } else {
            eventRegistry.addEvent(ENVIRONMENT_VARIABLE_NOT_DEFINED,
                  SEVERITY_WARN);
                  SVRT_WARN);
         }
      } else {
         eventRegistry.addEvent(ENVIRONMENT_VARIABLE_NOT_DEFINED,
               SEVERITY_WARN);
         eventRegistry.addEvent(ENVIRONMENT_VARIABLE_NOT_DEFINED, SVRT_WARN);
      }
   }
   return licenseFileFoundWithEnvVariable;
@@ -233,17 +253,24 @@
         diskFiles, eventRegistry);
   bool foundNearModule = false;
   if (licenseLocation.openFileNearModule) {
      string temptativeLicense = OsFunctions::getModuleName() + ".lic";
      ifstream f(temptativeLicense.c_str());
      if (f.good()) {
         foundNearModule = true;
         diskFiles.push_back(temptativeLicense);
         eventRegistry.addEvent(LICENSE_FILE_FOUND, INFO, temptativeLicense);
      char fname[MAX_PATH] = { 0 };
      FUNCTION_RETURN fret = getModuleName(fname);
      if (fret == FUNC_RET_OK) {
         string temptativeLicense = string(fname) + ".lic";
         ifstream f(temptativeLicense.c_str());
         if (f.good()) {
            foundNearModule = true;
            diskFiles.push_back(temptativeLicense);
            eventRegistry.addEvent(LICENSE_FILE_FOUND, SVRT_INFO,
                  temptativeLicense);
         } else {
            eventRegistry.addEvent(LICENSE_FILE_NOT_FOUND, SVRT_WARN,
                  temptativeLicense);
         }
         f.close();
      } else {
         eventRegistry.addEvent(LICENSE_FILE_NOT_FOUND, SEVERITY_WARN,
               temptativeLicense);
         LOG_WARN("Error determining module name.");
      }
      f.close();
   }
   bool licenseFileFoundWithEnvVariable = findFileWithEnvironmentVariable(
         diskFiles, eventRegistry);
@@ -297,12 +324,16 @@
      oss << "|" << this->from_sw_version << "-" << this->to_sw_version;
   }
   if (has_expiry) {
      oss << "|" << this->from_date << "-" << this->to_date;
      oss << "|" << this->from_date << "|" << this->to_date;
   }
   if (this->extra_data.length() > 0) {
      oss << "|" << extra_data;
   }
#ifdef _DEBUG
   cout << "[" << oss.str() << "]" << endl;
#endif
   return oss.str();

}

void FullLicenseInfo::printAsIni(ostream & a_ostream) const {
@@ -323,15 +354,11 @@
      ini.SetLongValue(product.c_str(), "to_sw_version", to_sw_version);
   }

   char buff[20];
   if (this->from_date != UNUSED_TIME) {
      strftime(buff, 20, "%Y-%m-%d", localtime(&this->from_date));
      ini.SetValue(product.c_str(), "from_date", buff);
      ini.SetValue(product.c_str(), "from_date", from_date.c_str());
   }
   char buff2[20];
   if (this->to_date != UNUSED_TIME) {
      strftime(buff2, 20, "%Y-%m-%d", localtime(&this->to_date));
      ini.SetValue(product.c_str(), "to_date", buff2);
      ini.SetValue(product.c_str(), "to_date", to_date.c_str());
   }
   if (this->extra_data.length() > 0) {
      ini.SetValue(product.c_str(), "extra_data", this->extra_data.c_str());
@@ -339,5 +366,13 @@
   ini.Save(sw);
}

time_t FullLicenseInfo::expires_on() const {
   return seconds_from_epoch(this->to_date.c_str());
}

time_t FullLicenseInfo::valid_from() const {
   return seconds_from_epoch(this->from_date.c_str());
}

}