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<pre><span class="ruby-comment cmt"># File lib/network/protocol/telnetfilter.rb, line 353</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">send_naws</span>
<span class="ruby-keyword kw">return</span> <span class="ruby-keyword kw">if</span> <span class="ruby-operator">!</span><span class="ruby-identifier">enabled?</span>(<span class="ruby-constant">NAWS</span>, <span class="ruby-identifier">:us</span>)
<span class="ruby-identifier">ts</span> = <span class="ruby-ivar">@pstack</span>.<span class="ruby-identifier">query</span>(<span class="ruby-identifier">:termsize</span>)
<span class="ruby-identifier">data</span> = [<span class="ruby-identifier">ts</span>[<span class="ruby-value">0</span>]].<span class="ruby-identifier">pack</span>(<span class="ruby-value str">'n'</span>) <span class="ruby-operator">+</span> [<span class="ruby-identifier">ts</span>[<span class="ruby-value">1</span>]].<span class="ruby-identifier">pack</span>(<span class="ruby-value str">'n'</span>)
<span class="ruby-identifier">data</span>.<span class="ruby-identifier">gsub!</span>(<span class="ruby-node">/#{IAC}/</span>, <span class="ruby-constant">IAC</span>.<span class="ruby-identifier">chr</span> <span class="ruby-operator">+</span> <span class="ruby-constant">IAC</span>.<span class="ruby-identifier">chr</span>) <span class="ruby-comment cmt"># 255 needs to be doubled</span>
<span class="ruby-ivar">@pstack</span>.<span class="ruby-identifier">conn</span>.<span class="ruby-identifier">sendmsg</span>(<span class="ruby-constant">IAC</span>.<span class="ruby-identifier">chr</span> <span class="ruby-operator">+</span> <span class="ruby-constant">SB</span>.<span class="ruby-identifier">chr</span> <span class="ruby-operator">+</span> <span class="ruby-constant">NAWS</span>.<span class="ruby-identifier">chr</span> <span class="ruby-operator">+</span> <span class="ruby-identifier">data</span> <span class="ruby-operator">+</span> <span class="ruby-constant">IAC</span>.<span class="ruby-identifier">chr</span> <span class="ruby-operator">+</span> <span class="ruby-constant">SE</span>.<span class="ruby-identifier">chr</span>)
<span class="ruby-keyword kw">end</span></pre>
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