87 lines
3.4 KiB
HTML
87 lines
3.4 KiB
HTML
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<?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_set_retry_verify</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:" />
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</head>
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<body>
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<ul id="index">
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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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<h1 id="NAME">NAME</h1>
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<p>SSL_set_retry_verify - indicate that certificate verification should be retried</p>
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<h1 id="SYNOPSIS">SYNOPSIS</h1>
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<pre><code> #include <openssl/ssl.h>
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int SSL_set_retry_verify(SSL *ssl);</code></pre>
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<h1 id="DESCRIPTION">DESCRIPTION</h1>
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<p>SSL_set_retry_verify() should be called from the certificate verification callback on a client when the application wants to indicate that the handshake should be suspended and the control should be returned to the application. <a href="../man3/SSL_want_retry_verify.html">SSL_want_retry_verify(3)</a> will return 1 as a consequence until the handshake is resumed again by the application, retrying the verification step.</p>
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<p>Please refer to <a href="../man3/SSL_CTX_set_cert_verify_callback.html">SSL_CTX_set_cert_verify_callback(3)</a> for further details.</p>
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<h1 id="NOTES">NOTES</h1>
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<p>The effect of calling SSL_set_retry_verify() outside of the certificate verification callback on the client side is undefined.</p>
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<h1 id="RETURN-VALUES">RETURN VALUES</h1>
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<p>SSL_set_retry verify() returns 1 on success, 0 otherwise.</p>
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<h1 id="EXAMPLES">EXAMPLES</h1>
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<p>The following code snippet shows how to obtain the <b>SSL</b> object associated with the <b>X509_STORE_CTX</b> to call the SSL_set_retry_verify() function:</p>
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<pre><code> int idx = SSL_get_ex_data_X509_STORE_CTX_idx();
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SSL *ssl;
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/* this should not happen but check anyway */
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if (idx < 0
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|| (ssl = X509_STORE_CTX_get_ex_data(ctx, idx)) == NULL)
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return 0;
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if (/* we need to retry verification callback */)
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return SSL_set_retry_verify(ssl);
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/* do normal processing of the verification callback */</code></pre>
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<h1 id="SEE-ALSO">SEE ALSO</h1>
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<p><a href="../man7/ssl.html">ssl(7)</a>, <a href="../man3/SSL_connect.html">SSL_connect(3)</a>, <a href="../man3/SSL_CTX_set_cert_verify_callback.html">SSL_CTX_set_cert_verify_callback(3)</a>, <a href="../man3/SSL_want_retry_verify.html">SSL_want_retry_verify(3)</a></p>
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<h1 id="HISTORY">HISTORY</h1>
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<p>SSL_set_retry_verify() was added in OpenSSL 3.0.2 to replace backwards incompatible handling of a negative return value from the verification callback.</p>
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<h1 id="COPYRIGHT">COPYRIGHT</h1>
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<p>Copyright 2022 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 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>
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</body>
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</html>
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