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<head>
<title>Class: Net::SSH::UserAuth::Methods::Password</title>
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<td class="file-title"><span class="file-title-prefix">Class</span><br />Net::SSH::UserAuth::Methods::Password</td>
<td align="right">
<table cellspacing=0 cellpadding=2>
<tr valign="top">
<td>In:</td>
<td>
<a href="../../../../../files/lib/net/ssh/userauth/methods/password_rb.html">lib/net/ssh/userauth/methods/password.rb</a>
</td>
</tr>
<tr>
<td>Parent:</td>
<td>
Object
</td>
</tr>
</table>
</td>
</tr>
</table>
<!-- banner header -->
<div id="bodyContent">
<div id="content">
<div class="description"><p>
Implements the "password" <a href="../../../SSH.html">SSH</a>
authentication method.
</p>
</div>
<div class="sectiontitle">Methods</div>
<ul>
<li><a href="#M000139">authenticate</a></li>
<li><a href="#M000138">new</a></li>
</ul>
<div class="sectiontitle">Included Modules</div>
<ul>
<li><a href="../Constants.html">Net::SSH::UserAuth::Constants</a></li>
</ul>
<div class="sectiontitle">Attributes</div>
<table border='0' cellpadding='5'>
<tr valign='top'>
<td class='attr-rw'>
[W]
</td>
<td class='attr-name'>messenger</td>
<td class='attr-desc'>
The messenger to use when communicating.
</td>
</tr>
</table>
<div class="sectiontitle">Public Class methods</div>
<div class="method">
<div class="title">
<a name="M000138"></a><b>new</b>( buffers )
</div>
<div class="description">
<p>
Create a <a href="Password.html#M000138">new</a> <a
href="Password.html">Password</a> authenticator. It will use the given
buffers factory to create <a href="Password.html#M000138">new</a> buffer
instances.
</p>
</div>
<div class="sourcecode">
<p class="source-link">[ <a href="javascript:toggleSource('M000138_source')" id="l_M000138_source">show source</a> ]</p>
<div id="M000138_source" class="dyn-source">
<pre>
<span class="ruby-comment cmt"># File lib/net/ssh/userauth/methods/password.rb, line 34</span>
34: <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">initialize</span>( <span class="ruby-identifier">buffers</span> )
35: <span class="ruby-ivar">@buffers</span> = <span class="ruby-identifier">buffers</span>
36: <span class="ruby-keyword kw">end</span>
</pre>
</div>
</div>
</div>
<div class="sectiontitle">Public Instance methods</div>
<div class="method">
<div class="title">
<a name="M000139"></a><b>authenticate</b>( next_service, username, data={} )
</div>
<div class="description">
<p>
Attempt to <a href="Password.html#M000139">authenticate</a> the given user
for the given service. The data hash must specify a <tt>:password</tt>
value, otherwise this will always return false.
</p>
</div>
<div class="sourcecode">
<p class="source-link">[ <a href="javascript:toggleSource('M000139_source')" id="l_M000139_source">show source</a> ]</p>
<div id="M000139_source" class="dyn-source">
<pre>
<span class="ruby-comment cmt"># File lib/net/ssh/userauth/methods/password.rb, line 41</span>
41: <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">authenticate</span>( <span class="ruby-identifier">next_service</span>, <span class="ruby-identifier">username</span>, <span class="ruby-identifier">data</span>={} )
42: <span class="ruby-keyword kw">return</span> <span class="ruby-keyword kw">false</span> <span class="ruby-keyword kw">unless</span> <span class="ruby-identifier">data</span>[<span class="ruby-identifier">:password</span>]
43:
44: <span class="ruby-identifier">msg</span> = <span class="ruby-ivar">@buffers</span>.<span class="ruby-identifier">writer</span>
45: <span class="ruby-identifier">msg</span>.<span class="ruby-identifier">write_byte</span> <span class="ruby-constant">USERAUTH_REQUEST</span>
46: <span class="ruby-identifier">msg</span>.<span class="ruby-identifier">write_string</span> <span class="ruby-identifier">username</span>
47: <span class="ruby-identifier">msg</span>.<span class="ruby-identifier">write_string</span> <span class="ruby-identifier">next_service</span>
48: <span class="ruby-identifier">msg</span>.<span class="ruby-identifier">write_string</span> <span class="ruby-value str">"password"</span>
49: <span class="ruby-identifier">msg</span>.<span class="ruby-identifier">write_bool</span> <span class="ruby-keyword kw">false</span>
50: <span class="ruby-identifier">msg</span>.<span class="ruby-identifier">write_string</span> <span class="ruby-identifier">data</span>[<span class="ruby-identifier">:password</span>]
51: <span class="ruby-ivar">@messenger</span>.<span class="ruby-identifier">send_message</span> <span class="ruby-identifier">msg</span>
52:
53: <span class="ruby-identifier">message</span> = <span class="ruby-ivar">@messenger</span>.<span class="ruby-identifier">wait_for_message</span>
54:
55: <span class="ruby-keyword kw">case</span> <span class="ruby-identifier">message</span>.<span class="ruby-identifier">message_type</span>
56: <span class="ruby-keyword kw">when</span> <span class="ruby-constant">USERAUTH_SUCCESS</span>
57: <span class="ruby-keyword kw">return</span> <span class="ruby-keyword kw">true</span>
58: <span class="ruby-keyword kw">when</span> <span class="ruby-constant">USERAUTH_FAILURE</span>, <span class="ruby-constant">USERAUTH_PASSWD_CHANGEREQ</span>
59: <span class="ruby-keyword kw">return</span> <span class="ruby-keyword kw">false</span>
60: <span class="ruby-keyword kw">else</span>
61: <span class="ruby-identifier">raise</span> <span class="ruby-constant">Net</span><span class="ruby-operator">::</span><span class="ruby-constant">SSH</span><span class="ruby-operator">::</span><span class="ruby-constant">Exception</span>,
62: <span class="ruby-node">"unexpected reply to USERAUTH_REQUEST: #{message.inspect}"</span>
63: <span class="ruby-keyword kw">end</span>
64: <span class="ruby-keyword kw">end</span>
</pre>
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