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authorJakub Hrozek <jhrozek@redhat.com>2009-05-28 22:47:48 +0200
committerSimo Sorce <ssorce@redhat.com>2009-06-02 15:27:57 -0400
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sssd.conf(5) man page
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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE reference PUBLIC "-//OASIS//DTD DocBook V4.5//EN"
+"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd">
+<reference>
+<title>SSSD Manual pages</title>
+<refentry>
+ <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" href="include/upstream.xml" />
+
+ <refmeta>
+ <refentrytitle>sssd.conf</refentrytitle>
+ <manvolnum>5</manvolnum>
+ <refmiscinfo class="manual">File Formats and Conventions</refmiscinfo>
+ </refmeta>
+
+ <refnamediv id='name'>
+ <refname>sssd.conf</refname>
+ <refpurpose>the configuration file for SSSD</refpurpose>
+ </refnamediv>
+
+ <refsect1 id='file-format'>
+ <title>FILE FORMAT</title>
+
+ <para>
+ The file has an ini-style syntax and consists of sections and
+ parameters. A section begins with the name of the section in
+ square brackets and continues until the next section begins. An
+ example of section with single and multi-valued parameters:
+ <programlisting>
+ <replaceable>[section]</replaceable>
+ <replaceable>key</replaceable> = <replaceable>value</replaceable>
+ <replaceable>key2</replaceable> = <replaceable>value2,value3</replaceable>
+ </programlisting>
+ </para>
+
+ <para>
+ The data types used are string (no quotes needed), integer
+ and bool (with values of <quote>TRUE/FALSE</quote>).
+ </para>
+
+ <para>
+ A line comment starts with a hash sign (<quote>#</quote>) or a
+ semicolon (<quote>;</quote>)
+ </para>
+
+ <para>
+ All sections can have an optional
+ <replaceable>description</replaceable> parameter. Its function
+ is only as a label for the section.
+ </para>
+ </refsect1>
+
+ <refsect1 id='special-sections'>
+ <title>SPECIAL SECTIONS</title>
+
+ <refsect2 id='services'>
+ <title>The [services] section</title>
+ <para>
+ Individual pieces of SSSD functionality are provided by special
+ SSSD services that are started and stopped together with SSSD.
+ The services are managed by a special service called
+ <quote>monitor</quote>.
+ <variablelist>
+ <title>Section parameters</title>
+ <varlistentry>
+ <term>activeServices</term>
+ <listitem>
+ <para>
+ Comma separated list of services that are
+ started when sssd itself starts. Since Data
+ Provider (<quote>dp</quote>) is a required
+ service, it will be started even if omitted.
+ </para>
+ <para>
+ Default: dp
+ </para>
+ <para>
+ Supported services: dp, nss, pam
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>reconnection_retries</term>
+ <listitem>
+ <para>
+ Number of times services should attempt to
+ reconnect in the event of a Data Provider
+ crash or restart before they give up
+ </para>
+ <para>
+ Default: 3
+ </para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+ </para>
+ </refsect2>
+
+ <refsect2 id='domains'>
+ <title>The [domains] section</title>
+ <para>
+ A domain is a database containing user information. SSSD can
+ use more domains at the same time, but at least one must
+ be configured or SSSD won't start.
+ </para>
+ <variablelist>
+ <title>Section parameters</title>
+ <varlistentry>
+ <term>domains</term>
+ <listitem>
+ <para>
+ The list of domains in the order you want them
+ to be queried
+ </para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+ </refsect2>
+
+ <refsect2 id='names'>
+ <title>The [names] section</title>
+ <para>
+ This section allows to configure how a name, or a fully qualified
+ name looks like. These settings are used by both the PAM and NSS
+ responders.
+ </para>
+ <variablelist>
+ <title>Section parameters</title>
+ <varlistentry>
+ <term>re-expression (string)</term>
+ <listitem>
+ <para>
+ Regular expression that describes how to parse the string
+ containing user name and domain into these components.
+ </para>
+ <para>
+ Default: <quote>(?&lt;name&gt;[^@]+)@?(?&lt;domain&gt;[^@]*$)</quote>
+ which translates to "the name is everything up to the
+ <quote>@</quote> sign, the domain everything after that"
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>full-name-format (string)</term>
+ <listitem>
+ <para>
+ A <citerefentry>
+ <refentrytitle>printf</refentrytitle>
+ <manvolnum>3</manvolnum>
+ </citerefentry>-compatible format that describes how to
+ translate a (name, domain) tuple into a fully qualified
+ name.
+ </para>
+ <para>
+ Default: <quote>%1$s@%2$s</quote>.
+ </para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+ </refsect2>
+
+ <refsect2 id='user_defaults'>
+ <title>The [user_defaults] section</title>
+ <para>
+ This section contains settings that alter default values used
+ when adding a user with SSSD userspace tools (sss_useradd).
+ </para>
+ <variablelist>
+ <title>Section parameters</title>
+ <varlistentry>
+ <term>defaultShell (string)</term>
+ <listitem>
+ <para>
+ The default shell for users created
+ with SSSD userspace tools.
+ </para>
+ <para>
+ Default: <filename>/bin/bash</filename>
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>baseDirectory (string)</term>
+ <listitem>
+ <para>
+ The tools append the login name to
+ <replaceable>baseDirectory</replaceable> and
+ use that as the home directory.
+ </para>
+ <para>
+ Default: <filename>/home</filename>
+ </para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+ </refsect2>
+
+ </refsect1>
+
+ <refsect1 id='services-sections'>
+ <title>SERVICES SECTIONS</title>
+ <para>
+ Settings that can be used to configure different services
+ are described in this section. They should reside in the
+ [services/<replaceable>NAME</replaceable>] section, for example,
+ for NSS service, the section would be <quote>[services/nss]</quote>
+ </para>
+
+ <refsect2 id='general'>
+ <title>General service configuration options</title>
+ <para>
+ These options can be used to configure any service.
+ </para>
+ <variablelist>
+ <varlistentry>
+ <term>debug-level (integer)</term>
+ <listitem>
+ <para>
+ Sets the debug level for the service. The
+ value can be in range from 0 (only critical
+ messages) to 10 (very verbose).
+ </para>
+ <para>
+ Default: 0
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>reconnection_retries (integer)</term>
+ <listitem>
+ <para>
+ Number of times services should attempt to
+ reconnect in the event of a Data Provider
+ crash or restart before they give up
+ </para>
+ <para>
+ Default: 3
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>command (string)</term>
+ <listitem>
+ <para>
+ By default, the executable
+ representing this service is called
+ <command>sssd_${service_name}</command>.
+ This directive allows to change the executable
+ name for the service. In the vast majority of
+ configurations, the default values should suffice.
+ </para>
+ <para>
+ Default: <command>sssd_${service_name}</command>
+ </para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+ </refsect2>
+
+ <refsect2 id='Monitor'>
+ <title>Monitor configuration options</title>
+ <para>
+ Monitor is the central controller of the SSSD. It is
+ responsible for running all the other services that provide
+ specific pieces of functionality.
+ </para>
+ <variablelist>
+ <varlistentry>
+ <term>sbusAddress (string)</term>
+ <listitem>
+ <para>
+ The services in sssd communicate over an internal
+ wrapper on top of D-Bus called S-Bus. This
+ directive can be used to specify the address
+ to connect to. The vast majority of configurations
+ will not need to change this setting.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>sbusTimeout (string)</term>
+ <listitem>
+ <para>
+ Specifies the timeout for messages sent over the SBUS.
+ </para>
+ <para>
+ Default: -1 (implies a reasonable timeout as defined
+ by the D-BUS library)
+ </para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+ </refsect2>
+
+ <refsect2 id='NSS'>
+ <title>NSS configuration options</title>
+ <para>
+ These options can be used to configure the
+ Name Service Switch (NSS) service.
+ </para>
+ <variablelist>
+ <varlistentry>
+ <term>EnumCacheTimeout (integer)</term>
+ <listitem>
+ <para>
+ How long should nss_sss cache enumerations
+ (requests for info about all users)
+ </para>
+ <para>
+ Default: 120
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>EntryCacheTimeout (integer)</term>
+ <listitem>
+ <para>
+ How long should nss_sss cache positive cache hits
+ (that is, queries for valid database entries) before
+ asking the backend again
+ </para>
+ <para>
+ Default: 600
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>EntryNegativeTimeout (integer)</term>
+ <listitem>
+ <para>
+ How long should nss_sss cache negative cache hits
+ (that is, queries for invalid database entries, like
+ nonexistent ones) before asking the backend again
+ </para>
+ <para>
+ Default: 15
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>filterUsers, filterGroups (string)</term>
+ <listitem>
+ <para>
+ Exclude certain users from being fetched from the sss
+ NSS database. This is particulary useful for system
+ accounts like root.
+ </para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+ </refsect2>
+ </refsect1>
+
+ <refsect1 id='domain-sections'>
+ <title>DOMAIN SECTIONS</title>
+ <para>
+ These configuration options can be present in a domain
+ configuration section, that is, in a section called
+ <quote>[domains/<replaceable>NAME</replaceable>]</quote>
+ <variablelist>
+ <varlistentry>
+ <term>minId,maxId (integer)</term>
+ <listitem>
+ <para>
+ UID limits for the domain. If a domain contains
+ entry that is outside these limits, it is ignored
+ </para>
+ <para>
+ Default: 0 (no limit)
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>timeout (integer)</term>
+ <listitem>
+ <para>
+ Timeout in seconds for this particular domain.
+ Raising this timeout might prove useful for slower
+ backends like distant LDAP servers.
+ </para>
+ <para>
+ Default: 0 (no timeout)
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>magicPrivateGroups (bool)</term>
+ <listitem>
+ <para>
+ By using the Magic Private Groups option, you
+ are imposing two limitations to the ID space
+ and name space:
+ </para>
+ <para>
+ 1. Users and groups in the domain share a common
+ name space. There can never be an explicit group
+ with the same name as a user
+ </para>
+ <para>
+ 2. Users and groups share a common ID
+ space, there can never be an explicit group with
+ a same ID as a user
+ </para>
+ <para>
+ Using Magic Private groups bring the benefit of
+ better Windows Interoperability (in Windows,
+ the ID and name spaces are unique) and also
+ avoids creating a group for every user,
+ thus cluttering the group space. Also, for
+ NSS calls, every user is actually returned
+ as user's private group without having to
+ explicitly create the group, thus having the
+ same effect as User Private Groups
+ </para>
+ <para>
+ Default: FALSE
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>enumerate (integer)</term>
+ <listitem>
+ <para>
+ Determines if a domain can be enumerated. This
+ parameter can have one of the following values:
+ </para>
+ <para>
+ 0 = No enumeration
+ </para>
+ <para>
+ 1 = Enumerate users
+ </para>
+ <para>
+ 2 = Enumerate groups
+ </para>
+ <para>
+ 3 = Enumerate both
+ </para>
+ <para>
+ Default: 0
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>cache-credentials (bool)</term>
+ <listitem>
+ <para>
+ Determines if user credentials are also cached
+ in the local LDB cache
+ </para>
+ <para>
+ Default: FALSE
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>legacy (bool)</term>
+ <listitem>
+ <para>
+ A legacy domain is a strictly POSIX domain in
+ terms of attributes it supports. Groups in legacy
+ domains can't be nested.
+ </para>
+ <para>
+ Default: FALSE
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>store-legacy-passwords (bool)</term>
+ <listitem>
+ <para>
+ Whether to also store passwords in a legacy domain
+ </para>
+ <para>
+ Default: FALSE
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>provider (string)</term>
+ <listitem>
+ <para>
+ The Data Provider backend to use for this domain.
+ </para>
+ <para>
+ Supported backends:
+ </para>
+ <para>
+ proxy: Support a legacy NSS provider
+ </para>
+ <para>
+ local: SSSD internal local provider
+ </para>
+ <para>
+ ldap: LDAP provider
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>useFullyQualifiedNames (bool)</term>
+ <listitem>
+ <para>
+ If set to TRUE, all requests to this domain
+ must use fully qualified names. For example,
+ if used in LOCAL domain that contains a "test"
+ user, <command>getent passwd test</command>
+ wouldn't find the user while <command>getent
+ passwd test@LOCAL</command> would.
+ </para>
+ <para>
+ Default: FALSE
+ </para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+ </para>
+
+ <para>
+ Options valid for proxy domains.
+
+ <variablelist>
+ <varlistentry>
+ <term>auth-module (string)</term>
+ <listitem>
+ <para>
+ The authentication module used. Two
+ authentication modules are provided -
+ <quote>ldap</quote> for native LDAP authentication
+ and <quote>proxy</quote>, used for relaying
+ authentication to some other PAM target.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>pam-target (string)</term>
+ <listitem>
+ <para>
+ The proxy target PAM proxies to.
+ </para>
+ <para>
+ Default: sssd_pam_proxy_default
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>libName (string)</term>
+ <listitem>
+ <para>
+ The name of the NSS library to use in proxy
+ domains. The NSS functions searched for in the
+ library are in the form of
+ _nss_$(libName)_$(function), for example
+ _nss_files_getpwent.
+ </para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term>libPath (string)</term>
+ <listitem>
+ <para>
+ File name (including .so) of NSS library
+ used. For instance, ldap NSS library is named
+ libnss_ldap.so, the standard files NSS library
+ is named libnss_files.so
+ </para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+ </para>
+ </refsect1>
+
+ <refsect1 id='example'>
+ <title>EXAMPLE</title>
+ <para>
+ The following example shows a typical SSSD config. It does
+ not describe configuration of the domains themselves - refer to
+ documentation on configuring domains for more details.
+<programlisting>
+[services]
+description = Local Service Configuration
+activeServices = nss, pam
+reconnection_retries = 3
+
+[services/nss]
+description = NSS Responder Configuration
+filterGroups = root
+filterUsers = root
+debug-level = 4
+
+[services/dp]
+description = Data Provider Configuration
+debug-level = 4
+
+[services/pam]
+description = PAM Responder Configuration
+
+[services/monitor]
+description = Service Monitor Configuration
+
+[domains]
+description = Domains served by SSSD
+domains = LOCAL
+
+[domains/LOCAL]
+description = LOCAL Users domain
+enumerate = 3
+minId = 5000
+maxId = 30000
+legacy = FALSE
+magicPrivateGroups = TRUE
+provider = local
+</programlisting>
+ </para>
+ </refsect1>
+
+ <refsect1 id='see_also'>
+ <title>SEE ALSO</title>
+ <para>
+ <citerefentry>
+ <refentrytitle>sssd.conf</refentrytitle><manvolnum>5</manvolnum>
+ </citerefentry>,
+ <citerefentry>
+ <refentrytitle>sss_groupadd</refentrytitle><manvolnum>8</manvolnum>
+ </citerefentry>,
+ <citerefentry>
+ <refentrytitle>sss_groupdel</refentrytitle><manvolnum>8</manvolnum>
+ </citerefentry>,
+ <citerefentry>
+ <refentrytitle>sss_groupmod</refentrytitle><manvolnum>8</manvolnum>
+ </citerefentry>,
+ <citerefentry>
+ <refentrytitle>sss_useradd</refentrytitle><manvolnum>8</manvolnum>
+ </citerefentry>,
+ <citerefentry>
+ <refentrytitle>sss_userdel</refentrytitle><manvolnum>8</manvolnum>
+ </citerefentry>,
+ <citerefentry>
+ <refentrytitle>sss_usermod</refentrytitle><manvolnum>8</manvolnum>
+ </citerefentry>.
+ </para>
+ </refsect1>
+</refentry>
+</reference>