102 lines
3.1 KiB
HTML
Executable File
102 lines
3.1 KiB
HTML
Executable File
<?xml version="1.0" ?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<title>SSL_get_peer_certificate</title>
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<meta http-equiv="content-type" content="text/html; charset=utf-8" />
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<link rev="made" href="mailto:root@localhost" />
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</head>
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<body style="background-color: white">
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<!-- INDEX BEGIN -->
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<div name="index">
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<p><a name="__index__"></a></p>
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<ul>
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<li><a href="#name">NAME</a></li>
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<li><a href="#synopsis">SYNOPSIS</a></li>
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<li><a href="#description">DESCRIPTION</a></li>
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<li><a href="#notes">NOTES</a></li>
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<li><a href="#return_values">RETURN VALUES</a></li>
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<li><a href="#see_also">SEE ALSO</a></li>
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<li><a href="#copyright">COPYRIGHT</a></li>
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</ul>
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<hr name="index" />
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</div>
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<!-- INDEX END -->
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<p>
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</p>
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<hr />
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<h1><a name="name">NAME</a></h1>
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<p>SSL_get_peer_certificate - get the X509 certificate of the peer</p>
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<p>
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</p>
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<hr />
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<h1><a name="synopsis">SYNOPSIS</a></h1>
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<pre>
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#include <openssl/ssl.h></pre>
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<pre>
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X509 *SSL_get_peer_certificate(const SSL *ssl);</pre>
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<p>
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</p>
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<hr />
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<h1><a name="description">DESCRIPTION</a></h1>
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<p><code>SSL_get_peer_certificate()</code> returns a pointer to the X509 certificate the
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peer presented. If the peer did not present a certificate, NULL is returned.</p>
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<p>
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</p>
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<hr />
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<h1><a name="notes">NOTES</a></h1>
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<p>Due to the protocol definition, a TLS/SSL server will always send a
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certificate, if present. A client will only send a certificate when
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explicitly requested to do so by the server (see
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<em>SSL_CTX_set_verify(3)</em>). If an anonymous cipher
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is used, no certificates are sent.</p>
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<p>That a certificate is returned does not indicate information about the
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verification state, use <em>SSL_get_verify_result(3)</em>
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to check the verification state.</p>
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<p>The reference count of the X509 object is incremented by one, so that it
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will not be destroyed when the session containing the peer certificate is
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freed. The X509 object must be explicitly freed using X509_free().</p>
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<p>
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</p>
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<hr />
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<h1><a name="return_values">RETURN VALUES</a></h1>
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<p>The following return values can occur:</p>
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<dl>
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<dt><strong><a name="null" class="item">NULL</a></strong></dt>
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<dd>
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<p>No certificate was presented by the peer or no connection was established.</p>
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</dd>
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<dt><strong><a name="pointer_to_an_x509_certificate" class="item">Pointer to an X509 certificate</a></strong></dt>
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<dd>
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<p>The return value points to the certificate presented by the peer.</p>
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</dd>
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</dl>
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<p>
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</p>
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<hr />
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<h1><a name="see_also">SEE ALSO</a></h1>
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<p><em>ssl(7)</em>, <em>SSL_get_verify_result(3)</em>,
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<em>SSL_CTX_set_verify(3)</em></p>
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<p>
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</p>
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<hr />
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<h1><a name="copyright">COPYRIGHT</a></h1>
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<p>Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved.</p>
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<p>Licensed under the Apache License 2.0 (the "License"). You may not use
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this file except in compliance with the License. You can obtain a copy
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in the file LICENSE in the source distribution or at
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<a href="https://www.openssl.org/source/license.html">https://www.openssl.org/source/license.html</a>.</p>
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</body>
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</html>
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