?? function.ssh2-fingerprint.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Retrieve fingerprint of remote server</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.ssh2-fetch-stream.html">ssh2_fetch_stream</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.ssh2-methods-negotiated.html">ssh2_methods_negotiated</a></div> <div class="up"><a href="ref.ssh2.html">SSH2 Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.ssh2-fingerprint" class="refentry"> <div class="refnamediv"> <h1 class="refname">ssh2_fingerprint</h1> <p class="verinfo">(PECL ssh2:0.10-0.9)</p><p class="refpurpose"><span class="refname">ssh2_fingerprint</span> — <span class="dc-title">Retrieve fingerprint of remote server</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">string</span> <span class="methodname"><b><b>ssh2_fingerprint</b></b></span> ( <span class="methodparam"><span class="type">resource</span> <tt class="parameter">$session</tt></span> [, <span class="methodparam"><span class="type">int</span> <tt class="parameter">$flags</tt></span> ] )</div> <p class="para rdfs-comment"> Returns a server hostkey hash from an active session. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">session</tt></i></span> <dd> <p class="para"> An SSH connection link identifier, obtained from a call to <a href="function.ssh2-connect.html" class="function">ssh2_connect()</a>. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">flags</tt></i></span> <dd> <p class="para"> <i><tt class="parameter">flags</tt></i> may be either of <b><tt>SSH2_FINGERPRINT_MD5</tt></b> or <b><tt>SSH2_FINGERPRINT_SHA1</tt></b> logically ORed with <b><tt>SSH2_FINGERPRINT_HEX</tt></b> or <b><tt>SSH2_FINGERPRINT_RAW</tt></b>. Defaults to <b><tt>SSH2_FINGERPRINT_MD5</tt></b> | <b><tt>SSH2_FINGERPRINT_HEX</tt></b>. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns the hostkey hash as a string. </p> </div> <div class="refsect1 examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example"> <p><b>Example #1 Checking the fingerprint against a known value</b></p> <div class="example-contents"><div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB"><?php<br />$known_host </span><span style="color: #007700">= </span><span style="color: #DD0000">'6F89C2F0A719B30CC38ABDF90755F2E4'</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">$connection </span><span style="color: #007700">= </span><span style="color: #0000BB">ssh2_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'shell.example.com'</span><span style="color: #007700">, </span><span style="color: #0000BB">22</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$fingerprint </span><span style="color: #007700">= </span><span style="color: #0000BB">ssh2_fingerprint</span><span style="color: #007700">(</span><span style="color: #0000BB">$connection</span><span style="color: #007700">,<br /> </span><span style="color: #0000BB">SSH2_FINGERPRINT_MD5 </span><span style="color: #007700">| </span><span style="color: #0000BB">SSH2_FINGERPRINT_HEX</span><span style="color: #007700">);<br /><br />if (</span><span style="color: #0000BB">$fingerprint </span><span style="color: #007700">!= </span><span style="color: #0000BB">$known_host</span><span style="color: #007700">) {<br /> die(</span><span style="color: #DD0000">"HOSTKEY MISMATCH!\n" </span><span style="color: #007700">.<br /> </span><span style="color: #DD0000">"Possible Man-In-The-Middle Attack?"</span><span style="color: #007700">);<br />}<br /></span><span style="color: #0000BB">?></span></span></code></div> </div> </div> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.ssh2-fetch-stream.html">ssh2_fetch_stream</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.ssh2-methods-negotiated.html">ssh2_methods_negotiated</a></div> <div class="up"><a href="ref.ssh2.html">SSH2 Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>?? 快捷鍵說明
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