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+<?xml version="1.0" encoding='UTF-8'?>
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN"
+ "http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd">
+
+
+<refentry id='pam_usertype'>
+ <refmeta>
+ <refentrytitle>pam_usertype</refentrytitle>
+ <manvolnum>8</manvolnum>
+ <refmiscinfo class='sectdesc'>Linux-PAM</refmiscinfo>
+ </refmeta>
+
+ <refnamediv id='pam_usertype-name'>
+ <refname>pam_usertype</refname>
+ <refpurpose>check if the authenticated user is a system or regular account</refpurpose>
+ </refnamediv>
+
+
+ <refsynopsisdiv>
+ <cmdsynopsis id='pam_usertype-cmdsynopsis'>
+ <command>pam_usertype.so</command>
+ <arg choice='opt' rep='repeat'><replaceable>flag</replaceable></arg>
+ <arg choice='req'><replaceable>condition</replaceable></arg>
+ </cmdsynopsis>
+ </refsynopsisdiv>
+
+
+ <refsect1 id='pam_usertype-description'>
+ <title>DESCRIPTION</title>
+ <para>
+ pam_usertype.so is designed to succeed or fail authentication
+ based on type of the account of the authenticated user.
+ The type of the account is decided with help of
+ <emphasis>SYS_UID_MIN</emphasis> and <emphasis>SYS_UID_MAX</emphasis>
+ settings in <emphasis>/etc/login.defs</emphasis>. One use is to select
+ whether to load other modules based on this test.
+ </para>
+
+ <para>
+ The module should be given only one condition as module argument.
+ Authentication will succeed only if the condition is met.
+ </para>
+ </refsect1>
+
+ <refsect1 id="pam_usertype-options">
+ <title>OPTIONS</title>
+ <para>
+ The following <emphasis>flag</emphasis>s are supported:
+ </para>
+
+ <variablelist>
+ <varlistentry>
+ <term><option>use_uid</option></term>
+ <listitem>
+ <para>
+ Evaluate conditions using the account of the user whose UID
+ the application is running under instead of the user being
+ authenticated.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><option>audit</option></term>
+ <listitem>
+ <para>
+ Log unknown users to the system log.
+ </para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+
+ <para>
+ Available <emphasis>condition</emphasis>s are:
+ </para>
+
+ <variablelist>
+ <varlistentry>
+ <term><option>issystem</option></term>
+ <listitem>
+ <para>Succeed if the user is a system user.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term><option>isregular</option></term>
+ <listitem>
+ <para>Succeed if the user is a regular user.</para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+ </refsect1>
+
+ <refsect1 id="pam_usertype-types">
+ <title>MODULE TYPES PROVIDED</title>
+ <para>
+ All module types (<option>account</option>, <option>auth</option>,
+ <option>password</option> and <option>session</option>) are provided.
+ </para>
+ </refsect1>
+
+ <refsect1 id='pam_usertype-return_values'>
+ <title>RETURN VALUES</title>
+ <variablelist>
+
+ <varlistentry>
+ <term>PAM_SUCCESS</term>
+ <listitem>
+ <para>
+ The condition was true.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>PAM_BUF_ERR</term>
+ <listitem>
+ <para>
+ Memory buffer error.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>PAM_CONV_ERR</term>
+ <listitem>
+ <para>
+ The conversation method supplied by the application
+ failed to obtain the username.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>PAM_INCOMPLETE</term>
+ <listitem>
+ <para>
+ The conversation method supplied by the application
+ returned PAM_CONV_AGAIN.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>PAM_AUTH_ERR</term>
+ <listitem>
+ <para>
+ The condition was false.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>PAM_SERVICE_ERR</term>
+ <listitem>
+ <para>
+ A service error occurred or the arguments can't be
+ parsed correctly.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>PAM_USER_UNKNOWN</term>
+ <listitem>
+ <para>
+ User was not found.
+ </para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+ </refsect1>
+
+
+ <refsect1 id='pam_usertype-examples'>
+ <title>EXAMPLES</title>
+ <para>
+ Skip remaining modules if the user is a system user:
+ </para>
+ <programlisting>
+account sufficient pam_usertype.so issystem
+ </programlisting>
+ </refsect1>
+
+ <refsect1 id='pam_usertype-see_also'>
+ <title>SEE ALSO</title>
+ <para>
+ <citerefentry>
+ <refentrytitle>login.defs</refentrytitle><manvolnum>5</manvolnum>
+ </citerefentry>,
+ <citerefentry>
+ <refentrytitle>pam</refentrytitle><manvolnum>8</manvolnum>
+ </citerefentry>
+ </para>
+ </refsect1>
+
+ <refsect1 id='pam_usertype-author'>
+ <title>AUTHOR</title>
+ <para>Pavel Březina &lt;pbrezina@redhat.com&gt;</para>
+ </refsect1>
+</refentry>