1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>ssl_stream::set_verify_callback (2 of 2 overloads)</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="../../../../index.html" title="Chapter 1. Boost.Beast"> 8<link rel="up" href="../set_verify_callback.html" title="ssl_stream::set_verify_callback"> 9<link rel="prev" href="overload1.html" title="ssl_stream::set_verify_callback (1 of 2 overloads)"> 10<link rel="next" href="../handshake.html" title="ssl_stream::handshake"> 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="overload1.html"><img src="../../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../set_verify_callback.html"><img src="../../../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../../../index.html"><img src="../../../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="../handshake.html"><img src="../../../../../../../../doc/src/images/next.png" alt="Next"></a> 24</div> 25<div class="section"> 26<div class="titlepage"><div><div><h6 class="title"> 27<a name="beast.ref.boost__beast__ssl_stream.set_verify_callback.overload2"></a><a class="link" href="overload2.html" title="ssl_stream::set_verify_callback (2 of 2 overloads)">ssl_stream::set_verify_callback 28 (2 of 2 overloads)</a> 29</h6></div></div></div> 30<p> 31 Set the callback used to verify peer certificates. 32 </p> 33<h7><a name="beast.ref.boost__beast__ssl_stream.set_verify_callback.overload2.h0"></a> 34 <span class="phrase"><a name="beast.ref.boost__beast__ssl_stream.set_verify_callback.overload2.synopsis"></a></span><a class="link" href="overload2.html#beast.ref.boost__beast__ssl_stream.set_verify_callback.overload2.synopsis">Synopsis</a> 35 </h7><pre class="programlisting"><span class="keyword">template</span><span class="special"><</span> 36 <span class="keyword">class</span> <span class="identifier">VerifyCallback</span><span class="special">></span> 37<span class="keyword">void</span> 38<span class="identifier">set_verify_callback</span><span class="special">(</span> 39 <span class="identifier">VerifyCallback</span> <span class="identifier">callback</span><span class="special">,</span> 40 <span class="identifier">boost</span><span class="special">::</span><span class="identifier">system</span><span class="special">::</span><span class="identifier">error_code</span><span class="special">&</span> <span class="identifier">ec</span><span class="special">);</span> 41</pre> 42<h7><a name="beast.ref.boost__beast__ssl_stream.set_verify_callback.overload2.h1"></a> 43 <span class="phrase"><a name="beast.ref.boost__beast__ssl_stream.set_verify_callback.overload2.description"></a></span><a class="link" href="overload2.html#beast.ref.boost__beast__ssl_stream.set_verify_callback.overload2.description">Description</a> 44 </h7><p> 45 This function is used to specify a callback function that will be called 46 by the implementation when it needs to verify a peer certificate. 47 </p> 48<h7><a name="beast.ref.boost__beast__ssl_stream.set_verify_callback.overload2.h2"></a> 49 <span class="phrase"><a name="beast.ref.boost__beast__ssl_stream.set_verify_callback.overload2.parameters"></a></span><a class="link" href="overload2.html#beast.ref.boost__beast__ssl_stream.set_verify_callback.overload2.parameters">Parameters</a> 50 </h7><div class="informaltable"><table class="table"> 51<colgroup> 52<col> 53<col> 54</colgroup> 55<thead><tr> 56<th> 57 <p> 58 Name 59 </p> 60 </th> 61<th> 62 <p> 63 Description 64 </p> 65 </th> 66</tr></thead> 67<tbody> 68<tr> 69<td> 70 <p> 71 <code class="computeroutput"><span class="identifier">callback</span></code> 72 </p> 73 </td> 74<td> 75 <p> 76 The function object to be used for verifying a certificate. 77 The function signature of the handler must be: 78 </p> 79<pre xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="table-programlisting"> <span class="keyword">bool</span> <span class="identifier">verify_callback</span><span class="special">(</span> 80 <span class="keyword">bool</span> <span class="identifier">preverified</span><span class="special">,</span> <span class="comment">// True if the certificate passed pre-verification.</span> 81 <span class="identifier">net</span><span class="special">::</span><span class="identifier">verify_context</span><span class="special">&</span> <span class="identifier">ctx</span> <span class="comment">// The peer certificate and other context.</span> 82<span class="special">);</span> 83</pre> 84 <p> 85 The return value of the callback is true if the certificate 86 has passed verification, false otherwise. 87 </p> 88 </td> 89</tr> 90<tr> 91<td> 92 <p> 93 <code class="computeroutput"><span class="identifier">ec</span></code> 94 </p> 95 </td> 96<td> 97 <p> 98 Set to indicate what error occurred, if any. 99 </p> 100 </td> 101</tr> 102</tbody> 103</table></div> 104<h7><a name="beast.ref.boost__beast__ssl_stream.set_verify_callback.overload2.h3"></a> 105 <span class="phrase"><a name="beast.ref.boost__beast__ssl_stream.set_verify_callback.overload2.remarks"></a></span><a class="link" href="overload2.html#beast.ref.boost__beast__ssl_stream.set_verify_callback.overload2.remarks">Remarks</a> 106 </h7><p> 107 Calls <code class="computeroutput"><span class="identifier">SSL_set_verify</span></code>. 108 </p> 109</div> 110<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 111<td align="left"></td> 112<td align="right"><div class="copyright-footer">Copyright © 2016-2019 Vinnie 113 Falco<p> 114 Distributed under the Boost Software License, Version 1.0. (See accompanying 115 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>) 116 </p> 117</div></td> 118</tr></table> 119<hr> 120<div class="spirit-nav"> 121<a accesskey="p" href="overload1.html"><img src="../../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../set_verify_callback.html"><img src="../../../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../../../index.html"><img src="../../../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="../handshake.html"><img src="../../../../../../../../doc/src/images/next.png" alt="Next"></a> 122</div> 123</body> 124</html> 125
