1 files changed, 68 insertions, 0 deletions
diff --git a/src/third_party/boost-1.69.0/boost/asio/ssl/detail/password_callback.hpp b/src/third_party/boost-1.69.0/boost/asio/ssl/detail/password_callback.hpp
new file mode 100644
index 00000000000..2a442f34d2f
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+++ b/src/third_party/boost-1.69.0/boost/asio/ssl/detail/password_callback.hpp
@@ -0,0 +1,68 @@
+//
+// ssl/detail/password_callback.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef BOOST_ASIO_SSL_DETAIL_PASSWORD_CALLBACK_HPP
+#define BOOST_ASIO_SSL_DETAIL_PASSWORD_CALLBACK_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include <boost/asio/detail/config.hpp>
+
+#include <cstddef>
+#include <string>
+#include <boost/asio/ssl/context_base.hpp>
+
+#include <boost/asio/detail/push_options.hpp>
+
+namespace boost {
+namespace asio {
+namespace ssl {
+namespace detail {
+
+class password_callback_base
+{
+public:
+  virtual ~password_callback_base()
+  {
+  }
+
+  virtual std::string call(std::size_t size,
+      context_base::password_purpose purpose) = 0;
+};
+
+template <typename PasswordCallback>
+class password_callback : public password_callback_base
+{
+public:
+  explicit password_callback(PasswordCallback callback)
+    : callback_(callback)
+  {
+  }
+
+  virtual std::string call(std::size_t size,
+      context_base::password_purpose purpose)
+  {
+    return callback_(size, purpose);
+  }
+
+private:
+  PasswordCallback callback_;
+};
+
+} // namespace detail
+} // namespace ssl
+} // namespace asio
+} // namespace boost
+
+#include <boost/asio/detail/pop_options.hpp>
+
+#endif // BOOST_ASIO_SSL_DETAIL_PASSWORD_CALLBACK_HPP