<!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>graphviz</title> <meta name="viewport" content="width=device-width, initial-scale=1" /> <link rel="stylesheet" href="../style.css" type="text/css" /> <link rel="stylesheet" href="../local.css" type="text/css" /> </head> <body> <div class="page"> <div class="pageheader"> <div class="header"> <span> <span class="parentlinks"> <a href="../index.html">ikiwiki</a>/ <a href="../plugins.html">plugins</a>/ </span> <span class="title"> graphviz </span> </span> </div> </div> <div id="pagebody"> <div id="content" role="main"> <p><span class="infobox"> Plugin: graphviz<br /> Author: <span class="createlink">JoshTriplett</span><br /> Included in ikiwiki: yes<br /> Enabled by default: no<br /> Included in <a href="./goodstuff.html">goodstuff</a>: no<br /> Currently enabled: no<br /> </span></p> <p>This plugin provides the <a href="../ikiwiki/directive/graph.html">graph</a> <a href="../ikiwiki/directive.html">directive</a>. This directive allows embedding <a href="http://www.graphviz.org/">graphviz</a> graphs in a page.</p> <p>Security implications: graphviz does not seem to have any syntax exploitable to perform file access or shell commands on the server. However, the graphviz plugin does make denial of service attacks somewhat easier: any user with edit privileges can use this plugin to create large files without the need to send large amounts of data, allowing them to more quickly fill the disk, run the server out of memory, or use up large amounts of bandwidth. Any user can already do these things with just the core of ikiwiki, but the graphviz plugin allows for an amplification attack, since users can send less data to use large amounts of processing time and disk usage.</p> <p>This plugin uses the <a href="http://search.cpan.org/search?mode=dist&query=Digest%3A%3ASHA">Digest::SHA</a> perl module.</p> </div> </div> <div id="footer" class="pagefooter" role="contentinfo"> <div id="pageinfo"> <div class="tags"> Tags: <a href="./type/widget.html" rel="tag">type/widget</a> </div> <div id="backlinks"> Links: <a href="./contrib/mscgen.html">contrib/mscgen</a> </div> <div class="pagedate"> Last edited <span class="date">Tue Feb 26 23:01:54 2019</span> <!-- Created <span class="date">Tue Feb 26 23:01:54 2019</span> --> </div> </div> <!-- from ikiwiki --> </div> </div> </body> </html>
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