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<?xml version="1.0" ?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>SSL_CTX_add_extra_chain_cert</title> <meta http-equiv="content-type" content="text/html; charset=utf-8" /> <link rev="made" href="mailto:root@hsxx.drive.ne.jp" /> </head> <body style="background-color: white"> <!-- INDEX BEGIN --> <div name="index"> <p><a name="__index__"></a></p> <ul> <li><a href="#name">NAME</a></li> <li><a href="#synopsis">SYNOPSIS</a></li> <li><a href="#description">DESCRIPTION</a></li> <li><a href="#notes">NOTES</a></li> <li><a href="#restrictions">RESTRICTIONS</a></li> <li><a href="#return_values">RETURN VALUES</a></li> <li><a href="#see_also">SEE ALSO</a></li> <li><a href="#copyright">COPYRIGHT</a></li> </ul> <hr name="index" /> </div> <!-- INDEX END --> <p> </p> <hr /> <h1><a name="name">NAME</a></h1> <p>SSL_CTX_add_extra_chain_cert, SSL_CTX_clear_extra_chain_certs - add or clear extra chain certificates</p> <p> </p> <hr /> <h1><a name="synopsis">SYNOPSIS</a></h1> <pre> #include <openssl/ssl.h></pre> <pre> long SSL_CTX_add_extra_chain_cert(SSL_CTX *ctx, X509 *x509); long SSL_CTX_clear_extra_chain_certs(SSL_CTX *ctx);</pre> <p> </p> <hr /> <h1><a name="description">DESCRIPTION</a></h1> <p><code>SSL_CTX_add_extra_chain_cert()</code> adds the certificate <strong>x509</strong> to the extra chain certificates associated with <strong>ctx</strong>. Several certificates can be added one after another.</p> <p><code>SSL_CTX_clear_extra_chain_certs()</code> clears all extra chain certificates associated with <strong>ctx</strong>.</p> <p>These functions are implemented as macros.</p> <p> </p> <hr /> <h1><a name="notes">NOTES</a></h1> <p>When sending a certificate chain, extra chain certificates are sent in order following the end entity certificate.</p> <p>If no chain is specified, the library will try to complete the chain from the available CA certificates in the trusted CA storage, see <em>SSL_CTX_load_verify_locations(3)</em>.</p> <p>The <strong>x509</strong> certificate provided to <code>SSL_CTX_add_extra_chain_cert()</code> will be freed by the library when the <strong>SSL_CTX</strong> is destroyed. An application <strong>should not</strong> free the <strong>x509</strong> object.</p> <p> </p> <hr /> <h1><a name="restrictions">RESTRICTIONS</a></h1> <p>Only one set of extra chain certificates can be specified per SSL_CTX structure. Different chains for different certificates (for example if both RSA and DSA certificates are specified by the same server) or different SSL structures with the same parent SSL_CTX cannot be specified using this function. For more flexibility functions such as SSL_add1_chain_cert() should be used instead.</p> <p> </p> <hr /> <h1><a name="return_values">RETURN VALUES</a></h1> <p><code>SSL_CTX_add_extra_chain_cert()</code> and <code>SSL_CTX_clear_extra_chain_certs()</code> return 1 on success and 0 for failure. Check out the error stack to find out the reason for failure.</p> <p> </p> <hr /> <h1><a name="see_also">SEE ALSO</a></h1> <p><em>ssl(7)</em>, <em>SSL_CTX_use_certificate(3)</em>, <em>SSL_CTX_set_client_cert_cb(3)</em>, <em>SSL_CTX_load_verify_locations(3)</em> <em>SSL_CTX_set0_chain(3)</em> <em>SSL_CTX_set1_chain(3)</em> <em>SSL_CTX_add0_chain_cert(3)</em> <em>SSL_CTX_add1_chain_cert(3)</em> <em>SSL_set0_chain(3)</em> <em>SSL_set1_chain(3)</em> <em>SSL_add0_chain_cert(3)</em> <em>SSL_add1_chain_cert(3)</em> <em>SSL_CTX_build_cert_chain(3)</em> <em>SSL_build_cert_chain(3)</em></p> <p> </p> <hr /> <h1><a name="copyright">COPYRIGHT</a></h1> <p>Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved.</p> <p>Licensed under the OpenSSL license (the "License"). You may not use this file except in compliance with the License. You can obtain a copy in the file LICENSE in the source distribution or at <a href="https://www.openssl.org/source/license.html">https://www.openssl.org/source/license.html</a>.</p> </body> </html>