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<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 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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"><div class="highlight"><pre>sudo apt-get install slapd +sudo apt-get install ldap-utils +sudo apt-get install libldap2-dev +</pre></div> +</div> +<p>Extend the user schema using schemas from standart OpenLDAP +distribution: <em>cosine, mics, nis, inetcomperson</em></p> +<div class="highlight-python"><div class="highlight"><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> +<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"><div class="highlight"><pre>./configure --with-ldap +make +sudo make install +</pre></div> +</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"><div class="highlight"><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> +<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"><div class="highlight"><pre>dn: cn={0}kerberos +cn: {0}kerberos +</pre></div> +</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"><div class="highlight"><pre>structuralObjectClass: olcSchemaConfig +entryUUID: ... +creatorsName: cn=config +createTimestamp: ... +entryCSN: ... +modifiersName: cn=config +modifyTimestamp: ... +</pre></div> +</div> +</li> +<li><p class="first">Load the new schema with ldapadd (with the proper authentication):</p> +<div class="highlight-python"><div class="highlight"><pre>ldapadd -Y EXTERNAL -H ldapi:/// -f /tmp/krb5_ldif/cn=config/cn=schema/cn={0}kerberos.ldif +</pre></div> +</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"><div class="highlight"><pre>kdb5_ldap_util -D cn=admin,dc=example,dc=com -H ldapi:/// create -s +</pre></div> +</div> +<p>Stash the LDAP administrative passwords:</p> +<div class="highlight-python"><div class="highlight"><pre>kdb5_ldap_util -D cn=admin,dc=example,dc=com -H ldapi:/// stashsrvpw cn=admin,dc=example,dc=com +</pre></div> +</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"><div class="highlight"><pre>kdb5_ldap_util -D cn=admin,dc=example,dc=com -H ldapi:/// destroy -f +</pre></div> +</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 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