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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>PKINIT certificate authorization interface (certauth) — MIT Kerberos Documentation</title> <link rel="stylesheet" href="../_static/agogo.css" type="text/css" /> <link rel="stylesheet" href="../_static/pygments.css" type="text/css" /> <link rel="stylesheet" href="../_static/kerb.css" type="text/css" /> <script type="text/javascript"> var DOCUMENTATION_OPTIONS = { URL_ROOT: '../', VERSION: '1.15.1', COLLAPSE_INDEX: false, FILE_SUFFIX: '.html', HAS_SOURCE: true }; </script> <script type="text/javascript" src="../_static/jquery.js"></script> <script type="text/javascript" src="../_static/underscore.js"></script> <script type="text/javascript" src="../_static/doctools.js"></script> <link rel="author" title="About these documents" href="../about.html" /> <link rel="copyright" title="Copyright" href="../copyright.html" /> <link rel="top" title="MIT Kerberos Documentation" href="../index.html" /> <link rel="up" title="For plugin module developers" href="index.html" /> <link rel="next" title="KDC policy interface (kdcpolicy)" href="kdcpolicy.html" /> <link rel="prev" title="Internal pluggable interfaces" href="internal.html" /> </head> <body> <div class="header-wrapper"> <div class="header"> <h1><a href="../index.html">MIT Kerberos Documentation</a></h1> <div class="rel"> <a href="../index.html" title="Full Table of Contents" accesskey="C">Contents</a> | <a href="internal.html" title="Internal pluggable interfaces" accesskey="P">previous</a> | <a href="kdcpolicy.html" title="KDC policy interface (kdcpolicy)" accesskey="N">next</a> | <a href="../genindex.html" title="General Index" accesskey="I">index</a> | <a href="../search.html" title="Enter search criteria" accesskey="S">Search</a> | <a href="mailto:krb5-bugs@mit.edu?subject=Documentation__PKINIT certificate authorization interface (certauth)">feedback</a> </div> </div> </div> <div class="content-wrapper"> <div class="content"> <div class="document"> <div class="documentwrapper"> <div class="bodywrapper"> <div class="body"> <div class="section" id="pkinit-certificate-authorization-interface-certauth"> <span id="certauth-plugin"></span><h1>PKINIT certificate authorization interface (certauth)<a class="headerlink" href="#pkinit-certificate-authorization-interface-certauth" title="Permalink to this headline">¶</a></h1> <p>The certauth interface was first introduced in release 1.16. It allows customization of the X.509 certificate attribute requirements placed on certificates used by PKINIT enabled clients. For a detailed description of the certauth interface, see the header file <tt class="docutils literal"><span class="pre"><krb5/certauth_plugin.h></span></tt></p> <p>A certauth module implements the <strong>authorize</strong> method to determine whether a client’s certificate is authorized to authenticate a client principal. <strong>authorize</strong> receives the DER-encoded certificate, the requested client principal, and a pointer to the client’s krb5_db_entry (for modules that link against libkdb5). It returns the authorization status and optionally outputs a list of authentication indicator strings to be added to the ticket. A module must use its own internal or library-provided ASN.1 certificate decoder.</p> <p>A module can optionally create and destroy module data with the <strong>init</strong> and <strong>fini</strong> methods. Module data objects last for the lifetime of the KDC process.</p> <p>If a module allocates and returns a list of authentication indicators from <strong>authorize</strong>, it must also implement the <strong>free_ind</strong> method to free the list.</p> </div> </div> </div> </div> </div> <div class="sidebar"> <h2>On this page</h2> <ul> <li><a class="reference internal" href="#">PKINIT certificate authorization interface (certauth)</a></li> </ul> <br/> <h2>Table of contents</h2> <ul class="current"> <li class="toctree-l1"><a class="reference internal" href="../user/index.html">For users</a></li> <li class="toctree-l1"><a class="reference internal" href="../admin/index.html">For administrators</a></li> <li class="toctree-l1"><a class="reference internal" href="../appdev/index.html">For application developers</a></li> <li class="toctree-l1 current"><a class="reference internal" href="index.html">For plugin module developers</a><ul class="current"> <li class="toctree-l2"><a class="reference internal" href="general.html">General plugin concepts</a></li> <li class="toctree-l2"><a class="reference internal" href="clpreauth.html">Client preauthentication interface (clpreauth)</a></li> <li class="toctree-l2"><a class="reference internal" href="kdcpreauth.html">KDC preauthentication interface (kdcpreauth)</a></li> <li class="toctree-l2"><a class="reference internal" href="ccselect.html">Credential cache selection interface (ccselect)</a></li> <li class="toctree-l2"><a class="reference internal" href="pwqual.html">Password quality interface (pwqual)</a></li> <li class="toctree-l2"><a class="reference internal" href="kadm5_hook.html">KADM5 hook interface (kadm5_hook)</a></li> <li class="toctree-l2"><a class="reference internal" href="hostrealm.html">Host-to-realm interface (hostrealm)</a></li> <li class="toctree-l2"><a class="reference internal" href="localauth.html">Local authorization interface (localauth)</a></li> <li class="toctree-l2"><a class="reference internal" href="locate.html">Server location interface (locate)</a></li> <li class="toctree-l2"><a class="reference internal" href="profile.html">Configuration interface (profile)</a></li> <li class="toctree-l2"><a class="reference internal" href="gssapi.html">GSSAPI mechanism interface</a></li> <li class="toctree-l2"><a class="reference internal" href="internal.html">Internal pluggable interfaces</a></li> <li class="toctree-l2 current"><a class="current reference internal" href="">PKINIT certificate authorization interface (certauth)</a></li> <li class="toctree-l2"><a class="reference internal" href="kdcpolicy.html">KDC policy interface (kdcpolicy)</a></li> </ul> </li> <li class="toctree-l1"><a class="reference internal" href="../build/index.html">Building Kerberos V5</a></li> <li class="toctree-l1"><a class="reference internal" href="../basic/index.html">Kerberos V5 concepts</a></li> <li class="toctree-l1"><a class="reference internal" href="../formats/index.html">Protocols and file formats</a></li> <li class="toctree-l1"><a class="reference internal" href="../mitK5features.html">MIT Kerberos features</a></li> <li class="toctree-l1"><a class="reference internal" href="../build_this.html">How to build this documentation from the source</a></li> <li class="toctree-l1"><a class="reference internal" href="../about.html">Contributing to the MIT Kerberos Documentation</a></li> <li class="toctree-l1"><a class="reference internal" href="../resources.html">Resources</a></li> </ul> <br/> <h4><a href="../index.html">Full Table of Contents</a></h4> <h4>Search</h4> <form class="search" action="../search.html" method="get"> <input type="text" name="q" size="18" /> <input type="submit" value="Go" /> <input type="hidden" name="check_keywords" value="yes" /> <input type="hidden" name="area" value="default" /> </form> </div> <div class="clearer"></div> </div> </div> <div class="footer-wrapper"> <div class="footer" > <div class="right" ><i>Release: 1.15.1</i><br /> © <a href="../copyright.html">Copyright</a> 1985-2017, MIT. </div> <div class="left"> <a href="../index.html" title="Full Table of Contents" >Contents</a> | <a href="internal.html" title="Internal pluggable interfaces" >previous</a> | <a href="kdcpolicy.html" title="KDC policy interface (kdcpolicy)" >next</a> | <a href="../genindex.html" title="General Index" >index</a> | <a href="../search.html" title="Enter search criteria" >Search</a> | <a href="mailto:krb5-bugs@mit.edu?subject=Documentation__PKINIT certificate authorization interface (certauth)">feedback</a> </div> </div> </div> </body> </html>