106 lines
3.9 KiB
HTML
Executable File
106 lines
3.9 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_CTX_set_quiet_shutdown</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_CTX_set_quiet_shutdown, SSL_CTX_get_quiet_shutdown, SSL_set_quiet_shutdown, SSL_get_quiet_shutdown - manipulate shutdown behaviour</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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void SSL_CTX_set_quiet_shutdown(SSL_CTX *ctx, int mode);
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int SSL_CTX_get_quiet_shutdown(const SSL_CTX *ctx);</pre>
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<pre>
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void SSL_set_quiet_shutdown(SSL *ssl, int mode);
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int SSL_get_quiet_shutdown(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_CTX_set_quiet_shutdown()</code> sets the "quiet shutdown" flag for <strong>ctx</strong> to be
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<strong>mode</strong>. SSL objects created from <strong>ctx</strong> inherit the <strong>mode</strong> valid at the time
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<em>SSL_new(3)</em> is called. <strong>mode</strong> may be 0 or 1.</p>
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<p><code>SSL_CTX_get_quiet_shutdown()</code> returns the "quiet shutdown" setting of <strong>ctx</strong>.</p>
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<p><code>SSL_set_quiet_shutdown()</code> sets the "quiet shutdown" flag for <strong>ssl</strong> to be
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<strong>mode</strong>. The setting stays valid until <strong>ssl</strong> is removed with
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<em>SSL_free(3)</em> or <code>SSL_set_quiet_shutdown()</code> is called again.
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It is not changed when <em>SSL_clear(3)</em> is called.
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<strong>mode</strong> may be 0 or 1.</p>
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<p><code>SSL_get_quiet_shutdown()</code> returns the "quiet shutdown" setting of <strong>ssl</strong>.</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>Normally when a SSL connection is finished, the parties must send out
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close_notify alert messages using <em>SSL_shutdown(3)</em>
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for a clean shutdown.</p>
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<p>When setting the "quiet shutdown" flag to 1, <em>SSL_shutdown(3)</em>
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will set the internal flags to SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN.
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(<em>SSL_shutdown(3)</em> then behaves like
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<em>SSL_set_shutdown(3)</em> called with
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SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN.)
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The session is thus considered to be shutdown, but no close_notify alert
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is sent to the peer. This behaviour violates the TLS standard.</p>
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<p>The default is normal shutdown behaviour as described by the TLS standard.</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><code>SSL_CTX_set_quiet_shutdown()</code> and <code>SSL_set_quiet_shutdown()</code> do not return
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diagnostic information.</p>
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<p><code>SSL_CTX_get_quiet_shutdown()</code> and SSL_get_quiet_shutdown return the current
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setting.</p>
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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_shutdown(3)</em>,
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<em>SSL_set_shutdown(3)</em>, <em>SSL_new(3)</em>,
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<em>SSL_clear(3)</em>, <em>SSL_free(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 2001-2018 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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