password_callback.hpp 1.6 KB

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  1. //
  2. // ssl/detail/password_callback.hpp
  3. // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  4. //
  5. // Copyright (c) 2003-2013 Christopher M. Kohlhoff (chris at kohlhoff dot com)
  6. //
  7. // Distributed under the Boost Software License, Version 1.0. (See accompanying
  8. // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  9. //
  10. #ifndef BOOST_ASIO_SSL_DETAIL_PASSWORD_CALLBACK_HPP
  11. #define BOOST_ASIO_SSL_DETAIL_PASSWORD_CALLBACK_HPP
  12. #if defined(_MSC_VER) && (_MSC_VER >= 1200)
  13. # pragma once
  14. #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
  15. #include <boost/asio/detail/config.hpp>
  16. #if !defined(BOOST_ASIO_ENABLE_OLD_SSL)
  17. # include <cstddef>
  18. # include <string>
  19. # include <boost/asio/ssl/context_base.hpp>
  20. #endif // !defined(BOOST_ASIO_ENABLE_OLD_SSL)
  21. #include <boost/asio/detail/push_options.hpp>
  22. namespace boost {
  23. namespace asio {
  24. namespace ssl {
  25. namespace detail {
  26. #if !defined(BOOST_ASIO_ENABLE_OLD_SSL)
  27. class password_callback_base
  28. {
  29. public:
  30. virtual ~password_callback_base()
  31. {
  32. }
  33. virtual std::string call(std::size_t size,
  34. context_base::password_purpose purpose) = 0;
  35. };
  36. template <typename PasswordCallback>
  37. class password_callback : public password_callback_base
  38. {
  39. public:
  40. explicit password_callback(PasswordCallback callback)
  41. : callback_(callback)
  42. {
  43. }
  44. virtual std::string call(std::size_t size,
  45. context_base::password_purpose purpose)
  46. {
  47. return callback_(size, purpose);
  48. }
  49. private:
  50. PasswordCallback callback_;
  51. };
  52. #endif // !defined(BOOST_ASIO_ENABLE_OLD_SSL)
  53. } // namespace detail
  54. } // namespace ssl
  55. } // namespace asio
  56. } // namespace boost
  57. #include <boost/asio/detail/pop_options.hpp>
  58. #endif // BOOST_ASIO_SSL_DETAIL_PASSWORD_CALLBACK_HPP