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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>LDAP backend on Ubuntu 10.4 (lucid) — 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="Advanced topics" href="index.html" /> <link rel="next" title="Retiring DES" href="retiring-des.html" /> <link rel="prev" title="Advanced topics" href="index.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="index.html" title="Advanced topics" accesskey="P">previous</a> | <a href="retiring-des.html" title="Retiring DES" 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__LDAP backend on Ubuntu 10.4 (lucid)">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="ldap-backend-on-ubuntu-10-4-lucid"> <span id="ldap-be-ubuntu"></span><h1>LDAP backend on Ubuntu 10.4 (lucid)<a class="headerlink" href="#ldap-backend-on-ubuntu-10-4-lucid" title="Permalink to this headline">¶</a></h1> <p>Setting up Kerberos v1.9 with LDAP backend on Ubuntu 10.4 (Lucid Lynx)</p> <div class="section" id="prerequisites"> <h2>Prerequisites<a class="headerlink" href="#prerequisites" title="Permalink to this headline">¶</a></h2> <p>Install the following packages: <em>slapd, ldap-utils</em> and <em>libldap2-dev</em></p> <p>You can install the necessary packages with these commands:</p> <div class="highlight-python"><pre>sudo apt-get install slapd sudo apt-get install ldap-utils sudo apt-get install libldap2-dev</pre> </div> <p>Extend the user schema using schemas from standart OpenLDAP distribution: <em>cosine, mics, nis, inetcomperson</em></p> <div class="highlight-python"><pre>ldapadd -Y EXTERNAL -H ldapi:/// -f /etc/ldap/schema/cosine.ldif ldapadd -Y EXTERNAL -H ldapi:/// -f /etc/ldap/schema/mics.ldif ldapadd -Y EXTERNAL -H ldapi:/// -f /etc/ldap/schema/nis.ldif ldapadd -Y EXTERNAL -H ldapi:/// -f /etc/ldap/schema/inetcomperson.ldif</pre> </div> </div> <div class="section" id="building-kerberos-from-source"> <h2>Building Kerberos from source<a class="headerlink" href="#building-kerberos-from-source" title="Permalink to this headline">¶</a></h2> <div class="highlight-python"><pre>./configure --with-ldap make sudo make install</pre> </div> </div> <div class="section" id="setting-up-kerberos"> <h2>Setting up Kerberos<a class="headerlink" href="#setting-up-kerberos" title="Permalink to this headline">¶</a></h2> <div class="section" id="configuration"> <h3>Configuration<a class="headerlink" href="#configuration" title="Permalink to this headline">¶</a></h3> <p>Update kdc.conf with the LDAP back-end information:</p> <div class="highlight-python"><pre>[realms] EXAMPLE.COM = { database_module = LDAP } [dbmodules] LDAP = { db_library = kldap ldap_kerberos_container_dn = cn=krbContainer,dc=example,dc=com ldap_kdc_dn = cn=admin,dc=example,dc=com ldap_kadmind_dn = cn=admin,dc=example,dc=com ldap_service_password_file = /usr/local/var/krb5kdc/admin.stash ldap_servers = ldapi:/// }</pre> </div> </div> <div class="section" id="schema"> <h3>Schema<a class="headerlink" href="#schema" title="Permalink to this headline">¶</a></h3> <p>From the source tree copy <tt class="docutils literal"><span class="pre">src/plugins/kdb/ldap/libkdb_ldap/kerberos.schema</span></tt> into <tt class="docutils literal"><span class="pre">/etc/ldap/schema</span></tt></p> <p>Warning: this step should be done after slapd is installed to avoid problems with slapd installation.</p> <p>To convert kerberos.schema to run-time configuration (<tt class="docutils literal"><span class="pre">cn=config</span></tt>) do the following:</p> <ol class="arabic"> <li><p class="first">Create a temporary file <tt class="docutils literal"><span class="pre">/tmp/schema_convert.conf</span></tt> with the following content:</p> <div class="highlight-python"><div class="highlight"><pre><span class="n">include</span> <span class="o">/</span><span class="n">etc</span><span class="o">/</span><span class="n">ldap</span><span class="o">/</span><span class="n">schema</span><span class="o">/</span><span class="n">kerberos</span><span class="o">.</span><span class="n">schema</span> </pre></div> </div> </li> <li><p class="first">Create a temporary directory <tt class="docutils literal"><span class="pre">/tmp/krb5_ldif</span></tt>.</p> </li> <li><p class="first">Run:</p> <div class="highlight-python"><div class="highlight"><pre><span class="n">slaptest</span> <span class="o">-</span><span class="n">f</span> <span class="o">/</span><span class="n">tmp</span><span class="o">/</span><span class="n">schema_convert</span><span class="o">.</span><span class="n">conf</span> <span class="o">-</span><span class="n">F</span> <span class="o">/</span><span class="n">tmp</span><span class="o">/</span><span class="n">krb5_ldif</span> </pre></div> </div> <p>This should in a new file named <tt class="docutils literal"><span class="pre">/tmp/krb5_ldif/cn=config/cn=schema/cn={0}kerberos.ldif</span></tt>.</p> </li> <li><p class="first">Edit <tt class="docutils literal"><span class="pre">/tmp/krb5_ldif/cn=config/cn=schema/cn={0}kerberos.ldif</span></tt> by replacing the lines:</p> <div class="highlight-python"><pre>dn: cn={0}kerberos cn: {0}kerberos</pre> </div> <p>with</p> <blockquote> <div><p>dn: cn=kerberos,cn=schema,cn=config cn: kerberos</p> </div></blockquote> <p>Also, remove following attribute-value pairs:</p> <div class="highlight-python"><pre>structuralObjectClass: olcSchemaConfig entryUUID: ... creatorsName: cn=config createTimestamp: ... entryCSN: ... modifiersName: cn=config modifyTimestamp: ...</pre> </div> </li> <li><p class="first">Load the new schema with ldapadd (with the proper authentication):</p> <div class="highlight-python"><pre>ldapadd -Y EXTERNAL -H ldapi:/// -f /tmp/krb5_ldif/cn=config/cn=schema/cn={0}kerberos.ldif</pre> </div> <p>which should result the message <tt class="docutils literal"><span class="pre">adding</span> <span class="pre">new</span> <span class="pre">entry</span> <span class="pre">"cn=kerberos,cn=schema,cn=config"</span></tt>.</p> </li> </ol> </div> </div> <div class="section" id="create-kerberos-database"> <h2>Create Kerberos database<a class="headerlink" href="#create-kerberos-database" title="Permalink to this headline">¶</a></h2> <p>Using LDAP administrator credentials, create Kerberos database and master key stash:</p> <div class="highlight-python"><pre>kdb5_ldap_util -D cn=admin,dc=example,dc=com -H ldapi:/// create -s</pre> </div> <p>Stash the LDAP administrative passwords:</p> <div class="highlight-python"><pre>kdb5_ldap_util -D cn=admin,dc=example,dc=com -H ldapi:/// stashsrvpw cn=admin,dc=example,dc=com</pre> </div> <p>Start <a class="reference internal" href="../admin_commands/krb5kdc.html#krb5kdc-8"><em>krb5kdc</em></a>:</p> <div class="highlight-python"><div class="highlight"><pre><span class="n">krb5kdc</span> </pre></div> </div> <p>To destroy database run:</p> <div class="highlight-python"><pre>kdb5_ldap_util -D cn=admin,dc=example,dc=com -H ldapi:/// destroy -f</pre> </div> </div> <div class="section" id="useful-references"> <h2>Useful references<a class="headerlink" href="#useful-references" title="Permalink to this headline">¶</a></h2> <ul class="simple"> <li><a class="reference external" href="https://help.ubuntu.com/10.04/serverguide/C/kerberos-ldap.html">Kerberos and LDAP</a></li> </ul> </div> </div> </div> </div> </div> </div> <div class="sidebar"> <h2>On this page</h2> <ul> <li><a class="reference internal" href="#">LDAP backend on Ubuntu 10.4 (lucid)</a><ul> <li><a class="reference internal" href="#prerequisites">Prerequisites</a></li> <li><a class="reference internal" href="#building-kerberos-from-source">Building Kerberos from source</a></li> <li><a class="reference internal" href="#setting-up-kerberos">Setting up Kerberos</a><ul> <li><a class="reference internal" href="#configuration">Configuration</a></li> <li><a class="reference internal" href="#schema">Schema</a></li> </ul> </li> <li><a class="reference internal" href="#create-kerberos-database">Create Kerberos database</a></li> <li><a class="reference internal" href="#useful-references">Useful references</a></li> </ul> </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 current"><a class="reference internal" href="../index.html">For administrators</a><ul class="current"> <li class="toctree-l2"><a class="reference internal" href="../install.html">Installation guide</a></li> <li class="toctree-l2"><a class="reference internal" href="../conf_files/index.html">Configuration Files</a></li> <li class="toctree-l2"><a class="reference internal" href="../realm_config.html">Realm configuration decisions</a></li> <li class="toctree-l2"><a class="reference internal" href="../database.html">Database administration</a></li> <li class="toctree-l2"><a class="reference internal" href="../lockout.html">Account lockout</a></li> <li class="toctree-l2"><a class="reference internal" href="../conf_ldap.html">Configuring Kerberos with OpenLDAP back-end</a></li> <li class="toctree-l2"><a class="reference internal" href="../appl_servers.html">Application servers</a></li> <li class="toctree-l2"><a class="reference internal" href="../host_config.html">Host configuration</a></li> <li class="toctree-l2"><a class="reference internal" href="../backup_host.html">Backups of secure hosts</a></li> <li class="toctree-l2"><a class="reference internal" href="../pkinit.html">PKINIT configuration</a></li> <li class="toctree-l2"><a class="reference internal" href="../otp.html">OTP Preauthentication</a></li> <li class="toctree-l2"><a class="reference internal" href="../princ_dns.html">Principal names and DNS</a></li> <li class="toctree-l2"><a class="reference internal" href="../enctypes.html">Encryption types</a></li> <li class="toctree-l2"><a class="reference internal" href="../https.html">HTTPS proxy configuration</a></li> <li class="toctree-l2"><a class="reference internal" href="../auth_indicator.html">Authentication indicators</a></li> <li class="toctree-l2"><a class="reference internal" href="../admin_commands/index.html">Administration programs</a></li> <li class="toctree-l2"><a class="reference internal" href="../../mitK5defaults.html">MIT Kerberos defaults</a></li> <li class="toctree-l2"><a class="reference internal" href="../env_variables.html">Environment variables</a></li> <li class="toctree-l2"><a class="reference internal" href="../troubleshoot.html">Troubleshooting</a></li> <li class="toctree-l2 current"><a class="reference internal" href="index.html">Advanced topics</a><ul class="current"> <li class="toctree-l3 current"><a class="current reference internal" href="">LDAP backend on Ubuntu 10.4 (lucid)</a></li> <li class="toctree-l3"><a class="reference internal" href="retiring-des.html">Retiring DES</a></li> </ul> </li> <li class="toctree-l2"><a class="reference internal" href="../various_envs.html">Various links</a></li> </ul> </li> <li class="toctree-l1"><a class="reference internal" href="../../appdev/index.html">For application developers</a></li> <li class="toctree-l1"><a class="reference internal" href="../../plugindev/index.html">For plugin module developers</a></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 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