112 lines
3.7 KiB
HTML
Executable File
112 lines
3.7 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>BIO_parse_hostserv</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="#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>BIO_hostserv_priorities,
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BIO_parse_hostserv
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- utility routines to parse a standard host and service string</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/bio.h></pre>
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<pre>
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enum BIO_hostserv_priorities {
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BIO_PARSE_PRIO_HOST, BIO_PARSE_PRIO_SERV
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};
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int BIO_parse_hostserv(const char *hostserv, char **host, char **service,
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enum BIO_hostserv_priorities hostserv_prio);</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>BIO_parse_hostserv()</code> will parse the information given in <strong>hostserv</strong>,
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create strings with the hostname and service name and give those
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back via <strong>host</strong> and <strong>service</strong>. Those will need to be freed after
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they are used. <strong>hostserv_prio</strong> helps determine if <strong>hostserv</strong> shall
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be interpreted primarily as a hostname or a service name in ambiguous
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cases.</p>
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<p>The syntax the <code>BIO_parse_hostserv()</code> recognises is:</p>
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<pre>
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host + ':' + service
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host + ':' + '*'
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host + ':'
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':' + service
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'*' + ':' + service
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host
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service</pre>
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<p>The host part can be a name or an IP address. If it's a IPv6
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address, it MUST be enclosed in brackets, such as '[::1]'.</p>
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<p>The service part can be a service name or its port number.</p>
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<p>The returned values will depend on the given <strong>hostserv</strong> string
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and <strong>hostserv_prio</strong>, as follows:</p>
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<pre>
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host + ':' + service => *host = "host", *service = "service"
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host + ':' + '*' => *host = "host", *service = NULL
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host + ':' => *host = "host", *service = NULL
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':' + service => *host = NULL, *service = "service"
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'*' + ':' + service => *host = NULL, *service = "service"</pre>
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<pre>
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in case no ':' is present in the string, the result depends on
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hostserv_prio, as follows:</pre>
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<pre>
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when hostserv_prio == BIO_PARSE_PRIO_HOST
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host => *host = "host", *service untouched</pre>
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<pre>
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when hostserv_prio == BIO_PARSE_PRIO_SERV
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service => *host untouched, *service = "service"</pre>
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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>BIO_parse_hostserv()</code> returns 1 on success or 0 on error.</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>BIO_ADDRINFO(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 2016-2018 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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