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<title>Authenticate using a public hostkey</title>
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<h1 class="refname">ssh2_auth_hostbased_file</h1>
<p class="verinfo">(PECL ssh2 >= 0.9.0)</p><p class="refpurpose"><span class="refname">ssh2_auth_hostbased_file</span> — <span class="dc-title">Authenticate using a public hostkey</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.ssh2-auth-hostbased-file-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">bool</span> <span class="methodname"><strong>ssh2_auth_hostbased_file</strong></span>
( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$session</code></span>
, <span class="methodparam"><span class="type">string</span> <code class="parameter">$username</code></span>
, <span class="methodparam"><span class="type">string</span> <code class="parameter">$hostname</code></span>
, <span class="methodparam"><span class="type">string</span> <code class="parameter">$pubkeyfile</code></span>
, <span class="methodparam"><span class="type">string</span> <code class="parameter">$privkeyfile</code></span>
[, <span class="methodparam"><span class="type">string</span> <code class="parameter">$passphrase</code></span>
[, <span class="methodparam"><span class="type">string</span> <code class="parameter">$local_username</code></span>
]] )</div>
<p class="para rdfs-comment">
Authenticate using a public hostkey read from a file.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.ssh2-auth-hostbased-file-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><em><code class="parameter">session</code></em></span>
<dd>
<p class="para">
An SSH connection link identifier, obtained from a call to
<span class="function"><a href="function.ssh2-connect.html" class="function">ssh2_connect()</a></span>.
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">username</code></em></span>
<dd>
<p class="para">
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">hostname</code></em></span>
<dd>
<p class="para">
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">pubkeyfile</code></em></span>
<dd>
<p class="para">
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">privkeyfile</code></em></span>
<dd>
<p class="para">
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">passphrase</code></em></span>
<dd>
<p class="para">
If <em><code class="parameter">privkeyfile</code></em> is encrypted (which it should
be), the passphrase must be provided.
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">local_username</code></em></span>
<dd>
<p class="para">
If <em><code class="parameter">local_username</code></em> is omitted, then the value
for <em><code class="parameter">username</code></em> will be used for it.
</p>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.ssh2-auth-hostbased-file-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns <strong><code>TRUE</code></strong> on success or <strong><code>FALSE</code></strong> on failure.
</p>
</div>
<div class="refsect1 examples" id="refsect1-function.ssh2-auth-hostbased-file-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="example-4606">
<p><strong>Example #1 Authentication using a public hostkey</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br />$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">, array(</span><span style="color: #DD0000">'hostkey'</span><span style="color: #007700">=></span><span style="color: #DD0000">'ssh-rsa'</span><span style="color: #007700">));<br /><br />if (</span><span style="color: #0000BB">ssh2_auth_hostbased_file</span><span style="color: #007700">(</span><span style="color: #0000BB">$connection</span><span style="color: #007700">, </span><span style="color: #DD0000">'remoteusername'</span><span style="color: #007700">, </span><span style="color: #DD0000">'myhost.example.com'</span><span style="color: #007700">,<br /> </span><span style="color: #DD0000">'/usr/local/etc/hostkey_rsa.pub'</span><span style="color: #007700">,<br /> </span><span style="color: #DD0000">'/usr/local/etc/hostkey_rsa'</span><span style="color: #007700">, </span><span style="color: #DD0000">'secret'</span><span style="color: #007700">,<br /> </span><span style="color: #DD0000">'localusername'</span><span style="color: #007700">)) {<br /> echo </span><span style="color: #DD0000">"Public Key Hostbased Authentication Successful\n"</span><span style="color: #007700">;<br />} else {<br /> die(</span><span style="color: #DD0000">'Public Key Hostbased Authentication Failed'</span><span style="color: #007700">);<br />}<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
</div>
</p>
</div>
<div class="refsect1 notes" id="refsect1-function.ssh2-auth-hostbased-file-notes">
<h3 class="title">Notes</h3>
<blockquote class="note"><p><strong class="note">Note</strong>:
<p class="para">
<span class="function"><strong>ssh2_auth_hostbased_file()</strong></span> requires libssh2 >= 0.7 and
PHP/SSH2 >= 0.7
</p>
</p></blockquote>
</div>
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