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Module: Msf::Exploit::Remote::X11::Read
&mdash; Documentation by YARD 0.9.37
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<div id="content"><h1>Module: Msf::Exploit::Remote::X11::Read
</h1>
<div class="box_info">
<dl>
<dt>Included in:</dt>
<dd><span class='object_link'><a href="../X11.html" title="Msf::Exploit::Remote::X11 (module)">Msf::Exploit::Remote::X11</a></span>, <span class='object_link'><a href="Extension.html" title="Msf::Exploit::Remote::X11::Extension (module)">Extension</a></span></dd>
</dl>
<dl>
<dt>Defined in:</dt>
<dd>lib/msf/core/exploit/remote/x11/read.rb</dd>
</dl>
</div>
<h2>
Instance Method Summary
<small><a href="#" class="summary_toggle">collapse</a></small>
</h2>
<ul class="summary">
<li class="public ">
<span class="summary_signature">
<a href="#x11_read_response-instance_method" title="#x11_read_response (instance method)">#<strong>x11_read_response</strong>(klass, timeout: 10) &#x21d2; Object </a>
</span>
<span class="summary_desc"><div class='inline'></div></span>
</li>
</ul>
<div id="instance_method_details" class="method_details_list">
<h2>Instance Method Details</h2>
<div class="method_details first">
<h3 class="signature first" id="x11_read_response-instance_method">
#<strong>x11_read_response</strong>(klass, timeout: 10) &#x21d2; <tt>Object</tt>
</h3><div class="docstring">
<div class="discussion">
</div>
</div>
<div class="tags">
<p class="tag_title">Raises:</p>
<ul class="raise">
<li>
<span class='type'>(<tt>::EOFError</tt>)</span>
</li>
</ul>
</div><table class="source_code">
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<pre class="code"><span class="info file"># File 'lib/msf/core/exploit/remote/x11/read.rb', line 4</span>
<span class='kw'>def</span> <span class='id identifier rubyid_x11_read_response'>x11_read_response</span><span class='lparen'>(</span><span class='id identifier rubyid_klass'>klass</span><span class='comma'>,</span> <span class='label'>timeout:</span> <span class='int'>10</span><span class='rparen'>)</span>
<span class='kw'>unless</span> <span class='id identifier rubyid_klass'>klass</span><span class='period'>.</span><span class='id identifier rubyid_fields'>fields</span><span class='period'>.</span><span class='id identifier rubyid_field_name?'>field_name?</span><span class='lparen'>(</span><span class='symbol'>:response_length</span><span class='rparen'>)</span>
<span class='id identifier rubyid_raise'>raise</span> <span class='op'>::</span><span class='const'>ArgumentError</span><span class='comma'>,</span> <span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>X11 class must have the response_length field to be read</span><span class='tstring_end'>&#39;</span></span>
<span class='kw'>end</span>
<span class='id identifier rubyid_remaining'>remaining</span> <span class='op'>=</span> <span class='id identifier rubyid_timeout'>timeout</span>
<span class='id identifier rubyid_reply_instance'>reply_instance</span> <span class='op'>=</span> <span class='id identifier rubyid_klass'>klass</span><span class='period'>.</span><span class='id identifier rubyid_new'>new</span>
<span class='id identifier rubyid_metalength'>metalength</span> <span class='op'>=</span> <span class='id identifier rubyid_reply_instance'>reply_instance</span><span class='period'>.</span><span class='id identifier rubyid_response_length'>response_length</span><span class='period'>.</span><span class='id identifier rubyid_num_bytes'>num_bytes</span>
<span class='id identifier rubyid_buffer'>buffer</span><span class='comma'>,</span> <span class='id identifier rubyid_elapsed_time'>elapsed_time</span> <span class='op'>=</span> <span class='const'><span class='object_link'><a href="../../../../Rex.html" title="Rex (module)">Rex</a></span></span><span class='op'>::</span><span class='const'>Stopwatch</span><span class='period'>.</span><span class='id identifier rubyid_elapsed_time'>elapsed_time</span> <span class='kw'>do</span>
<span class='id identifier rubyid_sock'>sock</span><span class='period'>.</span><span class='id identifier rubyid_read'>read</span><span class='lparen'>(</span><span class='id identifier rubyid_reply_instance'>reply_instance</span><span class='period'>.</span><span class='id identifier rubyid_response_length'>response_length</span><span class='period'>.</span><span class='id identifier rubyid_abs_offset'>abs_offset</span> <span class='op'>+</span> <span class='id identifier rubyid_metalength'>metalength</span><span class='comma'>,</span> <span class='id identifier rubyid_remaining'>remaining</span><span class='rparen'>)</span>
<span class='kw'>end</span>
<span class='id identifier rubyid_raise'>raise</span> <span class='op'>::</span><span class='const'>EOFError</span><span class='comma'>,</span> <span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>X11: failed to read response</span><span class='tstring_end'>&#39;</span></span> <span class='kw'>if</span> <span class='id identifier rubyid_buffer'>buffer</span><span class='period'>.</span><span class='id identifier rubyid_nil?'>nil?</span>
<span class='id identifier rubyid_remaining'>remaining</span> <span class='op'>-=</span> <span class='id identifier rubyid_elapsed_time'>elapsed_time</span>
<span class='comment'># see: https://www.x.org/releases/X11R7.7/doc/xproto/x11protocol.html#request_format
</span> <span class='id identifier rubyid_response_length'>response_length</span> <span class='op'>=</span> <span class='id identifier rubyid_reply_instance'>reply_instance</span><span class='period'>.</span><span class='id identifier rubyid_response_length'>response_length</span><span class='period'>.</span><span class='id identifier rubyid_read'>read</span><span class='lparen'>(</span><span class='id identifier rubyid_buffer'>buffer</span><span class='lbracket'>[</span><span class='op'>-</span><span class='id identifier rubyid_metalength'>metalength</span><span class='op'>..</span><span class='rbracket'>]</span><span class='rparen'>)</span><span class='period'>.</span><span class='id identifier rubyid_value'>value</span>
<span class='id identifier rubyid_response_length'>response_length</span> <span class='op'>*=</span> <span class='int'>4</span> <span class='comment'># field is in 4-byte units
</span> <span class='id identifier rubyid_response_length'>response_length</span> <span class='op'>+=</span> <span class='int'>32</span> <span class='comment'># 32 byte header is not included
</span>
<span class='kw'>while</span> <span class='id identifier rubyid_buffer'>buffer</span><span class='period'>.</span><span class='id identifier rubyid_length'>length</span> <span class='op'>&lt;</span> <span class='id identifier rubyid_response_length'>response_length</span> <span class='op'>&amp;&amp;</span> <span class='id identifier rubyid_remaining'>remaining</span> <span class='op'>&gt;</span> <span class='int'>0</span>
<span class='id identifier rubyid_chunk'>chunk</span><span class='comma'>,</span> <span class='id identifier rubyid_elapsed_time'>elapsed_time</span> <span class='op'>=</span> <span class='const'><span class='object_link'><a href="../../../../Rex.html" title="Rex (module)">Rex</a></span></span><span class='op'>::</span><span class='const'>Stopwatch</span><span class='period'>.</span><span class='id identifier rubyid_elapsed_time'>elapsed_time</span> <span class='kw'>do</span>
<span class='id identifier rubyid_sock'>sock</span><span class='period'>.</span><span class='id identifier rubyid_read'>read</span><span class='lparen'>(</span><span class='id identifier rubyid_response_length'>response_length</span> <span class='op'>-</span> <span class='id identifier rubyid_buffer'>buffer</span><span class='period'>.</span><span class='id identifier rubyid_length'>length</span><span class='comma'>,</span> <span class='id identifier rubyid_remaining'>remaining</span><span class='rparen'>)</span>
<span class='kw'>end</span>
<span class='id identifier rubyid_remaining'>remaining</span> <span class='op'>-=</span> <span class='id identifier rubyid_elapsed_time'>elapsed_time</span>
<span class='kw'>break</span> <span class='kw'>if</span> <span class='id identifier rubyid_chunk'>chunk</span><span class='period'>.</span><span class='id identifier rubyid_nil?'>nil?</span>
<span class='id identifier rubyid_buffer'>buffer</span> <span class='op'>&lt;&lt;</span> <span class='id identifier rubyid_chunk'>chunk</span>
<span class='kw'>end</span>
<span class='kw'>unless</span> <span class='id identifier rubyid_buffer'>buffer</span><span class='period'>.</span><span class='id identifier rubyid_length'>length</span> <span class='op'>==</span> <span class='id identifier rubyid_response_length'>response_length</span>
<span class='kw'>if</span> <span class='id identifier rubyid_remaining'>remaining</span> <span class='op'>&lt;=</span> <span class='int'>0</span>
<span class='id identifier rubyid_raise'>raise</span> <span class='const'><span class='object_link'><a href="../../../../Rex.html" title="Rex (module)">Rex</a></span></span><span class='op'>::</span><span class='const'>TimeoutError</span><span class='comma'>,</span> <span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>X11: failed to read response due to timeout</span><span class='tstring_end'>&#39;</span></span>
<span class='kw'>end</span>
<span class='id identifier rubyid_raise'>raise</span> <span class='op'>::</span><span class='const'>EOFError</span><span class='comma'>,</span> <span class='tstring'><span class='tstring_beg'>&#39;</span><span class='tstring_content'>X11: failed to read response</span><span class='tstring_end'>&#39;</span></span>
<span class='kw'>end</span>
<span class='id identifier rubyid_reply_instance'>reply_instance</span><span class='period'>.</span><span class='id identifier rubyid_read'>read</span><span class='lparen'>(</span><span class='id identifier rubyid_buffer'>buffer</span><span class='rparen'>)</span>
<span class='kw'>end</span></pre>
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Generated on Fri May 8 17:01:48 2026 by
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0.9.37 (ruby-3.1.5).
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