92 lines
3.6 KiB
HTML
Executable File
92 lines
3.6 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:" />
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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="#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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<h1 id="NAME">NAME</h1>
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<p>BIO_hostserv_priorities, BIO_parse_hostserv - utility routines to parse a standard host and service string</p>
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<h1 id="SYNOPSIS">SYNOPSIS</h1>
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<pre><code> #include <openssl/bio.h>
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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);</code></pre>
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<h1 id="DESCRIPTION">DESCRIPTION</h1>
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<p>BIO_parse_hostserv() will parse the information given in <b>hostserv</b>, create strings with the hostname and service name and give those back via <b>host</b> and <b>service</b>. Those will need to be freed after they are used. <b>hostserv_prio</b> helps determine if <b>hostserv</b> shall be interpreted primarily as a hostname or a service name in ambiguous cases.</p>
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<p>The syntax the BIO_parse_hostserv() recognises is:</p>
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<pre><code> 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</code></pre>
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<p>The host part can be a name or an IP address. If it's a IPv6 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. A service name will be mapped to a port number using the system function getservbyname().</p>
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<p>The returned values will depend on the given <b>hostserv</b> string and <b>hostserv_prio</b>, as follows:</p>
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<pre><code> 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"
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in case no ':' is present in the string, the result depends on
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hostserv_prio, as follows:
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when hostserv_prio == BIO_PARSE_PRIO_HOST
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host => *host = "host", *service untouched
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when hostserv_prio == BIO_PARSE_PRIO_SERV
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service => *host untouched, *service = "service"</code></pre>
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<h1 id="RETURN-VALUES">RETURN VALUES</h1>
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<p>BIO_parse_hostserv() returns 1 on success or 0 on error.</p>
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<h1 id="SEE-ALSO">SEE ALSO</h1>
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<p><a href="../man3/BIO_ADDRINFO.html">BIO_ADDRINFO(3)</a></p>
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<h1 id="COPYRIGHT">COPYRIGHT</h1>
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<p>Copyright 2016-2021 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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