133 lines
4.0 KiB
HTML
Executable File
133 lines
4.0 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_config</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="#examples">EXAMPLES</a></li>
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<li><a href="#see_also">SEE ALSO</a></li>
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<li><a href="#history">HISTORY</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_config, SSL_config - configure SSL_CTX or SSL structure</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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int SSL_CTX_config(SSL_CTX *ctx, const char *name);
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int SSL_config(SSL *s, const char *name);</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>The functions <code>SSL_CTX_config()</code> and <code>SSL_config()</code> configure an <strong>SSL_CTX</strong> or
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<strong>SSL</strong> structure using the configuration <strong>name</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>By calling <code>SSL_CTX_config()</code> or <code>SSL_config()</code> an application can perform many
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complex tasks based on the contents of the configuration file: greatly
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simplifying application configuration code. A degree of future proofing
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can also be achieved: an application can support configuration features
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in newer versions of OpenSSL automatically.</p>
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<p>A configuration file must have been previously loaded, for example using
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<code>CONF_modules_load_file()</code>. See <em>config(5)</em> for details of the configuration
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file syntax.</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_config()</code> and <code>SSL_config()</code> return 1 for success or 0 if an error
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occurred.</p>
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<p>
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</p>
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<hr />
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<h1><a name="examples">EXAMPLES</a></h1>
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<p>If the file "config.cnf" contains the following:</p>
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<pre>
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testapp = test_sect</pre>
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<pre>
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[test_sect]
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# list of configuration modules</pre>
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<pre>
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ssl_conf = ssl_sect</pre>
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<pre>
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[ssl_sect]
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server = server_section</pre>
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<pre>
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[server_section]
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RSA.Certificate = server-rsa.pem
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ECDSA.Certificate = server-ecdsa.pem
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Ciphers = ALL:!RC4</pre>
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<p>An application could call:</p>
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<pre>
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if (CONF_modules_load_file("config.cnf", "testapp", 0) <= 0) {
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fprintf(stderr, "Error processing config file\n");
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goto err;
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}</pre>
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<pre>
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ctx = SSL_CTX_new(TLS_server_method());</pre>
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<pre>
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if (SSL_CTX_config(ctx, "server") == 0) {
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fprintf(stderr, "Error configuring server.\n");
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goto err;
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}</pre>
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<p>In this example two certificates and the cipher list are configured without
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the need for any additional application code.</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>,
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<em>config(5)</em>,
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<em>SSL_CONF_cmd(3)</em>,
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<em>CONF_modules_load_file(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="history">HISTORY</a></h1>
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<p>The <code>SSL_CTX_config()</code> and <code>SSL_config()</code> functions were added in OpenSSL 1.1.0.</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 2015-2016 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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