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  1. /*
  2. * This file is part of PowerDNS or dnsdist.
  3. * Copyright -- PowerDNS.COM B.V. and its contributors
  4. *
  5. * This program is free software; you can redistribute it and/or modify
  6. * it under the terms of version 2 of the GNU General Public License as
  7. * published by the Free Software Foundation.
  8. *
  9. * In addition, for the avoidance of any doubt, permission is granted to
  10. * link this program with OpenSSL and to (re)distribute the binaries
  11. * produced as the result of such linking.
  12. *
  13. * This program is distributed in the hope that it will be useful,
  14. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16. * GNU General Public License for more details.
  17. *
  18. * You should have received a copy of the GNU General Public License
  19. * along with this program; if not, write to the Free Software
  20. * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  21. */
  22. #include "uuid-utils.hh"
  23. // see https://github.com/boostorg/random/issues/49
  24. #if BOOST_VERSION == 106900
  25. #ifndef BOOST_PENDING_INTEGER_LOG2_HPP
  26. #define BOOST_PENDING_INTEGER_LOG2_HPP
  27. #include <boost/integer/integer_log2.hpp>
  28. #endif /* BOOST_PENDING_INTEGER_LOG2_HPP */
  29. #endif /* BOOST_VERSION */
  30. #include <boost/uuid/uuid_generators.hpp>
  31. // The default of:
  32. // boost::uuids::random_generator
  33. // is safe for crypto operations since 1.67.0, but much slower.
  34. thread_local boost::uuids::basic_random_generator<boost::random::mt19937> t_uuidGenerator;
  35. boost::uuids::uuid getUniqueID()
  36. {
  37. // not safe for crypto, but it could be with Boost >= 1.67.0 by using boost::uuids::random_generator,
  38. // which is slower
  39. return t_uuidGenerator();
  40. }
  41. boost::uuids::uuid getUniqueID(const std::string& str)
  42. {
  43. boost::uuids::string_generator gen;
  44. return gen(str);
  45. }