193 lines
9.3 KiB
HTML
193 lines
9.3 KiB
HTML
<!DOCTYPE html>
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<html lang="en" dir="ltr">
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<head>
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<meta charset="utf-8" />
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<title>documentation:2.0:applications:gitlab</title>
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<meta name="generator" content="DokuWiki"/>
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<meta name="robots" content="index,follow"/>
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<meta name="keywords" content="documentation,2.0,applications,gitlab"/>
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<link rel="search" type="application/opensearchdescription+xml" href="../lib/exe/opensearch.html" title="LemonLDAP::NG"/>
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<link rel="start" href="gitlab.html"/>
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<link rel="contents" href="gitlab.html" title="Sitemap"/>
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<link rel="stylesheet" type="text/css" href="../lib/exe/css.php.t.bootstrap3.css"/>
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<!-- //if:usedebianlibs
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<link rel="stylesheet" type="text/css" href="/javascript/bootstrap/css/bootstrap.min.css" />
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//elsif:useexternallibs
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<link rel="stylesheet" type="text/css" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css"></script>
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//elsif:cssminified
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<link rel="stylesheet" type="text/css" href="/static/bwr/bootstrap/dist/css/bootstrap.min.css" />
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//else -->
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<link rel="stylesheet" type="text/css" href="/static/bwr/bootstrap/dist/css/bootstrap.css" />
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<!-- //endif -->
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<script type="text/javascript">/*<![CDATA[*/var NS='documentation:2.0:applications';var JSINFO = {"id":"documentation:2.0:applications:gitlab","namespace":"documentation:2.0:applications"};
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/*!]]>*/</script>
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<script type="text/javascript" charset="utf-8" src="../lib/exe/js.php.t.bootstrap3.js"></script>
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<script type="text/javascript" src="/javascript/jquery/jquery.min.js"></script>
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//elsif:useexternallibs
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<script type="text/javascript" src="http://code.jquery.com/jquery-2.2.0.min.js"></script>
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//elsif:jsminified
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<script type="text/javascript" src="/static/bwr/jquery/dist/jquery.min.js"></script>
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//else -->
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<script type="text/javascript" src="/static/bwr/jquery/dist/jquery.js"></script>
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<!-- //endif -->
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<!-- //if:usedebianlibs
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<script type="text/javascript" src="/javascript/jquery-ui/jquery-ui.min.js"></script>
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//elsif:useexternallibs
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<script type="text/javascript" src="http://code.jquery.com/ui/1.10.4/jquery-ui.min.js"></script>
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//elsif:jsminified
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<script type="text/javascript" src="/static/bwr/jquery-ui/jquery-ui.min.js"></script>
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//else -->
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<script type="text/javascript" src="/static/bwr/jquery-ui/jquery-ui.js"></script>
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<!-- //endif -->
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</head>
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<body>
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<div class="dokuwiki export container">
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<!-- TOC START -->
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<div id="dw__toc">
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<h3 class="toggle">Table of Contents</h3>
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<div>
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<ul class="toc">
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<li class="level1"><div class="li"><a href="#presentation">Presentation</a></div></li>
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<li class="level1"><div class="li"><a href="#saml">SAML</a></div>
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<ul class="toc">
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<li class="level2"><div class="li"><a href="#gitlab_configuration">Gitlab configuration</a></div></li>
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<li class="level2"><div class="li"><a href="#llng_configuration">LL::NG configuration</a></div></li>
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<li class="level2"><div class="li"><a href="#manage_groups">Manage groups</a></div></li>
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</ul></li>
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</ul>
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</div>
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</div>
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<!-- TOC END -->
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<h1 class="sectionedit1" id="gitlab">Gitlab</h1>
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<div class="level1">
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<p>
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<img src="gitlab_logo.png" class="mediacenter" alt="" />
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</p>
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</div>
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<!-- EDIT1 SECTION "Gitlab" [1-67] -->
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<h2 class="sectionedit2" id="presentation">Presentation</h2>
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<div class="level2">
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<p>
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See <a href="https://about.gitlab.com/" class="urlextern" title="https://about.gitlab.com/" rel="nofollow">Gitlab</a> page for product presentation.
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</p>
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<p>
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Gitlab allows to use <abbr title="Security Assertion Markup Language">SAML</abbr> to authenticate users, see <a href="https://docs.gitlab.com/ee/integration/saml.html" class="urlextern" title="https://docs.gitlab.com/ee/integration/saml.html" rel="nofollow">official documentation</a>
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</p>
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</div>
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<!-- EDIT2 SECTION "Presentation" [68-296] -->
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<h2 class="sectionedit3" id="saml">SAML</h2>
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<div class="level2">
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<p>
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For this example, we use these sample values:
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* Gitlab <abbr title="Uniform Resource Locator">URL</abbr> : <a href="https://gitlab.example.com" class="urlextern" title="https://gitlab.example.com" rel="nofollow">https://gitlab.example.com</a>
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* <abbr title="LemonLDAP::NG">LL::NG</abbr> portal <abbr title="Uniform Resource Locator">URL</abbr> : <a href="https://auth.example.com" class="urlextern" title="https://auth.example.com" rel="nofollow">https://auth.example.com</a>
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</p>
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</div>
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<!-- EDIT3 SECTION "SAML" [297-452] -->
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<h3 class="sectionedit4" id="gitlab_configuration">Gitlab configuration</h3>
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<div class="level3">
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<p>
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Find the gitlab.rb file and add these settings:
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</p>
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<pre class="code">vi /etc/gitlab/gitlab.rb</pre>
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<pre class="code file ruby">gitlab_rails<span class="br0">[</span><span class="st0">'omniauth_enabled'</span><span class="br0">]</span> = <span class="kw2">true</span>
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gitlab_rails<span class="br0">[</span><span class="st0">'omniauth_allow_single_sign_on'</span><span class="br0">]</span> = <span class="br0">[</span><span class="st0">'saml'</span><span class="br0">]</span>
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gitlab_rails<span class="br0">[</span><span class="st0">'omniauth_auto_link_saml_user'</span><span class="br0">]</span> = <span class="kw2">true</span>
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gitlab_rails<span class="br0">[</span><span class="st0">'omniauth_block_auto_created_users'</span><span class="br0">]</span> = <span class="kw2">false</span>
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gitlab_rails<span class="br0">[</span><span class="st0">'omniauth_providers'</span><span class="br0">]</span> = <span class="br0">[</span>
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<span class="br0">{</span>
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name: <span class="st0">'saml'</span>,
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args: <span class="br0">{</span>
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assertion_consumer_service_url: <span class="st0">'https://gitlab.example.com/users/auth/saml/callback'</span>,
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idp_cert_fingerprint: <span class="st0">'99:BE:7B:68:3F:XX:7D:EF:6B:C3:XX:C0:0E:XX:D4:EA:02:XX:83:2A'</span>,
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idp_sso_target_url: <span class="st0">'https://auth.example.com/saml/singleSignOn'</span>,
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issuer: <span class="st0">'https://gitlab.example.com'</span>,
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name_identifier_format: <span class="st0">'urn:oasis:names:tc:SAML:1.1:nameid-format:emailAddress'</span>
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<span class="br0">}</span>,
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label: <span class="st0">'Login with LL::NG'</span> <span class="co1"># optional label for SAML login button</span>
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<span class="br0">}</span>
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<span class="br0">]</span></pre>
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<div class="notetip">To get the fingerprint of IDP certificate, copy <abbr title="Security Assertion Markup Language">SAML</abbr> certificate from <abbr title="LemonLDAP::NG">LL::NG</abbr> configuration in a file and use openssl:
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<pre class="code">openssl x509 -in CERT.pem -noout -fingerprint</pre>
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</div>
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<p>
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You can force <abbr title="Security Assertion Markup Language">SAML</abbr> by default with this option:
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</p>
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<pre class="code file ruby">gitlab_rails<span class="br0">[</span><span class="st0">'omniauth_auto_sign_in_with_provider'</span><span class="br0">]</span> = <span class="st0">'saml'</span></pre>
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<p>
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In this case, users won't be able to log directly on gitlab. Set it once you are sure the <abbr title="Security Assertion Markup Language">SAML</abbr> configuration is valid.
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</p>
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<p>
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To apply changes:
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</p>
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<pre class="code">gitlab-ctl reconfigure</pre>
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</div>
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<!-- EDIT4 SECTION "Gitlab configuration" [453-1845] -->
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<h3 class="sectionedit5" id="llng_configuration">LL::NG configuration</h3>
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<div class="level3">
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<p>
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We suppose <abbr title="LemonLDAP::NG">LL::NG</abbr> is configured as <abbr title="Security Assertion Markup Language">SAML</abbr> IDP, and that you converted the public key into a certificate for <abbr title="Security Assertion Markup Language">SAML</abbr> signature. You must enable the option to send certificates in response. If you don't want to, you need to copy the certificate value into Gitlab configuration, in `idp_cert` parameter.
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</p>
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<p>
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You can get Gitlab <abbr title="Security Assertion Markup Language">SAML</abbr> metadata on <a href="https://gitlab.example.com/users/auth/saml/metadata" class="urlextern" title="https://gitlab.example.com/users/auth/saml/metadata" rel="nofollow">https://gitlab.example.com/users/auth/saml/metadata</a>
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</p>
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<p>
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Register them in <abbr title="LemonLDAP::NG">LL::NG</abbr> and send these <abbr title="Security Assertion Markup Language">SAML</abbr> attributes:
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</p>
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<ul>
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<li class="level1"><div class="li"> mail ⇒ email</div>
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</li>
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<li class="level1"><div class="li"> uid ⇒ uid</div>
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</li>
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<li class="level1"><div class="li"> cn ⇒ name</div>
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</li>
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</ul>
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<div class="noteimportant">The value from <abbr title="LemonLDAP::NG">LL::NG</abbr> mail session attribute must be the email of the user in Gitlab database, in order to associate accounts.
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</div>
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</div>
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<!-- EDIT5 SECTION "LL::NG configuration" [1846-2520] -->
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<h3 class="sectionedit6" id="manage_groups">Manage groups</h3>
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<div class="level3">
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<p>
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You can pass groups to Gitlab. For this, declare groups attribute in gitlab.rb:
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</p>
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<pre class="code file ruby">...
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<span class="me1">gitlab_rails</span><span class="br0">[</span><span class="st0">'omniauth_providers'</span><span class="br0">]</span> = <span class="br0">[</span>
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<span class="br0">{</span>
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name: <span class="st0">'saml'</span>,
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groups_attribute: <span class="st0">'groups'</span>,
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...</pre>
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<p>
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And in <abbr title="LemonLDAP::NG">LL::NG</abbr>, export the groups attribute:
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</p>
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<ul>
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<li class="level1"><div class="li"> groups ⇒ groups</div>
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</li>
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</ul>
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</div>
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<!-- EDIT6 SECTION "Manage groups" [2521-] --></div>
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</body>
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</html>
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