1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>ssl::stream::native_handle</title> 5<link rel="stylesheet" href="../../../../../doc/src/boostbook.css" type="text/css"> 6<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 7<link rel="home" href="../../../boost_asio.html" title="Boost.Asio"> 8<link rel="up" href="../ssl__stream.html" title="ssl::stream"> 9<link rel="prev" href="lowest_layer_type.html" title="ssl::stream::lowest_layer_type"> 10<link rel="next" href="native_handle_type.html" title="ssl::stream::native_handle_type"> 11</head> 12<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 13<table cellpadding="2" width="100%"><tr> 14<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../boost.png"></td> 15<td align="center"><a href="../../../../../index.html">Home</a></td> 16<td align="center"><a href="../../../../../libs/libraries.htm">Libraries</a></td> 17<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> 18<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> 19<td align="center"><a href="../../../../../more/index.htm">More</a></td> 20</tr></table> 21<hr> 22<div class="spirit-nav"> 23<a accesskey="p" href="lowest_layer_type.html"><img src="../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../ssl__stream.html"><img src="../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../../boost_asio.html"><img src="../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="native_handle_type.html"><img src="../../../../../doc/src/images/next.png" alt="Next"></a> 24</div> 25<div class="section"> 26<div class="titlepage"><div><div><h4 class="title"> 27<a name="boost_asio.reference.ssl__stream.native_handle"></a><a class="link" href="native_handle.html" title="ssl::stream::native_handle">ssl::stream::native_handle</a> 28</h4></div></div></div> 29<p> 30 <a class="indexterm" name="boost_asio.indexterm.ssl__stream.native_handle"></a> 31Get 32 the underlying implementation in the native type. 33 </p> 34<pre class="programlisting">native_handle_type native_handle(); 35</pre> 36<p> 37 This function may be used to obtain the underlying implementation of the 38 context. This is intended to allow access to context functionality that 39 is not otherwise provided. 40 </p> 41<h6> 42<a name="boost_asio.reference.ssl__stream.native_handle.h0"></a> 43 <span class="phrase"><a name="boost_asio.reference.ssl__stream.native_handle.example"></a></span><a class="link" href="native_handle.html#boost_asio.reference.ssl__stream.native_handle.example">Example</a> 44 </h6> 45<p> 46 The <code class="computeroutput">native_handle()</code> function returns a pointer of type <code class="computeroutput">SSL*</code> 47 that is suitable for passing to functions such as <code class="computeroutput">SSL_get_verify_result</code> 48 and <code class="computeroutput">SSL_get_peer_certificate:</code> 49 </p> 50<pre class="programlisting">boost::asio::ssl::stream<asio:ip::tcp::socket> sock(my_context, ctx); 51 52// ... establish connection and perform handshake ... 53 54if (X509* cert = SSL_get_peer_certificate(sock.native_handle())) 55{ 56 if (SSL_get_verify_result(sock.native_handle()) == X509_V_OK) 57 { 58 // ... 59 } 60} 61</pre> 62</div> 63<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 64<td align="left"></td> 65<td align="right"><div class="copyright-footer">Copyright © 2003-2020 Christopher M. 66 Kohlhoff<p> 67 Distributed under the Boost Software License, Version 1.0. (See accompanying 68 file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>) 69 </p> 70</div></td> 71</tr></table> 72<hr> 73<div class="spirit-nav"> 74<a accesskey="p" href="lowest_layer_type.html"><img src="../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../ssl__stream.html"><img src="../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../../boost_asio.html"><img src="../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="native_handle_type.html"><img src="../../../../../doc/src/images/next.png" alt="Next"></a> 75</div> 76</body> 77</html> 78
