php-doc-en/reference/ssh2/functions/ssh2-auth-none.xml

<?xml version='1.0' encoding='iso-8859-1'?>
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<refentry xmlns="http://docbook.org/ns/docbook" xml:id="function.ssh2-auth-none">
 <refnamediv>
  <refname>ssh2_auth_none</refname>
  <refpurpose>Authenticate as "none"</refpurpose>
 </refnamediv>
 
 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>mixed</type><methodname>ssh2_auth_none</methodname>
   <methodparam><type>resource</type><parameter>session</parameter></methodparam>
   <methodparam><type>string</type><parameter>username</parameter></methodparam>
  </methodsynopsis>
  <para>
   Attempt "none" authentication which usually will (and should) fail.
   As part of the failure, this function will return an array of accepted
   authentication methods. 
  </para>
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    <varlistentry>
     <term><parameter>session</parameter></term>
     <listitem>
      <para>
       An SSH connection link identifier, obtained from a call to
       <function>ssh2_connect</function>.
      </para>
     </listitem>
    </varlistentry>
    <varlistentry>
     <term><parameter>username</parameter></term>
     <listitem>
      <para>
       Remote user name.
      </para>
     </listitem>
    </varlistentry>
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   Returns &true; if the server does accept "none" as an authentication
   method, or an array of accepted authentication methods on failure.
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title>Retrieving a list of authentication methods</title>
    <programlisting role="php">
<![CDATA[
<?php
$connection = ssh2_connect('shell.example.com', 22);

$auth_methods = ssh2_auth_none($connection, 'user');

if (in_array('password', $auth_methods)) {
  echo "Server supports password based authentication\n";
}
?>
]]>
    </programlisting>
   </example>
  </para>
 </refsect1>

</refentry>

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