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9f666969f8
Signed-off-by: SATOH Fumiyasu <fumiyas@osstech.co.jp> Reviewed-by: Martin Schwenke <martin@meltin.net> Reviewed-by: Volker Lendecke <vl@samba.org>
141 lines
5.0 KiB
XML
141 lines
5.0 KiB
XML
<?xml version="1.0" encoding="iso-8859-1"?>
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<!DOCTYPE refentry PUBLIC "-//Samba-Team//DTD DocBook V4.2-Based Variant V1.0//EN" "http://www.samba.org/samba/DTD/samba-doc">
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<refentry id="idmap_ad.8">
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<refmeta>
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<refentrytitle>idmap_ad</refentrytitle>
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<manvolnum>8</manvolnum>
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<refmiscinfo class="source">Samba</refmiscinfo>
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<refmiscinfo class="manual">System Administration tools</refmiscinfo>
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<refmiscinfo class="version">&doc.version;</refmiscinfo>
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</refmeta>
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<refnamediv>
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<refname>idmap_ad</refname>
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<refpurpose>Samba's idmap_ad Backend for Winbind</refpurpose>
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</refnamediv>
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<refsynopsisdiv>
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<title>DESCRIPTION</title>
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<para>The idmap_ad plugin provides a way for Winbind to read
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id mappings from an AD server that uses RFC2307/SFU schema
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extensions. This module implements only the "idmap"
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API, and is READONLY. Mappings must be provided in advance
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by the administrator by adding the uidNumber attributes for
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users and gidNumber attributes for groups in the AD. Winbind
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will only map users that have a uidNumber and whose primary
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group have a gidNumber attribute set. It is however
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recommended that all groups in use have gidNumber attributes
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assigned, otherwise they are not working.</para>
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<para>
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Currently, the <parameter>ad</parameter> backend
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does not work as the default idmap backend, but one has
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to configure it separately for each domain for which one wants
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to use it, using disjoint ranges. One usually needs to configure
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a writeable default idmap range, using for example the
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<parameter>tdb</parameter> or <parameter>ldap</parameter>
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backend, in order to be able to map the BUILTIN sids and
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possibly other trusted domains. The writeable default config
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is also needed in order to be able to create group mappings.
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This catch-all default idmap configuration should have a range
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that is disjoint from any explicitly configured domain with
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idmap backend <parameter>ad</parameter>. See the example below.
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</para>
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</refsynopsisdiv>
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<refsect1>
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<title>IDMAP OPTIONS</title>
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<variablelist>
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<varlistentry>
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<term>range = low - high</term>
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<listitem><para>
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Defines the available matching UID and GID range for which the
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backend is authoritative. Note that the range acts as a filter.
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If specified any UID or GID stored in AD that fall outside the
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range is ignored and the corresponding map is discarded.
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It is intended as a way to avoid accidental UID/GID overlaps
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between local and remotely defined IDs.
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</para></listitem>
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</varlistentry>
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<varlistentry>
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<term>schema_mode = <rfc2307 | sfu | sfu20></term>
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<listitem><para>
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Defines the schema that idmap_ad should use when querying
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Active Directory regarding user and group information.
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This can be either the RFC2307 schema support included
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in Windows 2003 R2 or the Service for Unix (SFU) schema.
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For SFU 3.0 or 3.5 please choose "sfu", for SFU 2.0
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please choose "sfu20".
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Please note that the behavior of primary group membership is
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controlled by the <emphasis>unix_primary_group</emphasis> option.
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</para></listitem>
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</varlistentry>
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<varlistentry>
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<term>unix_primary_group = yes/no</term>
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<listitem><para>
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Defines whether the user's primary group is fetched from the SFU
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attributes or the AD primary group. If set to
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<parameter>yes</parameter> the primary group membership is fetched
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from the LDAP attributes (gidNumber).
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If set to <parameter>no</parameter> the primary group membership is
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calculated via the "primaryGroupID" LDAP attribute.
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</para>
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<para>Default: no</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>unix_nss_info = yes/no</term>
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<listitem><para>
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If set to <parameter>yes</parameter> winbind will retrieve the login
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shell and home directory from the LDAP attributes. If set to
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<parameter>no</parameter> or the AD LDAP entry lacks the SFU
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attributes the options <emphasis>template shell</emphasis> and
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<emphasis>template homedir</emphasis> are used.
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</para>
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<para>Default: no</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1>
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<title>EXAMPLES</title>
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<para>
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The following example shows how to retrieve idmappings from our principal and
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trusted AD domains. If trusted domains are present id conflicts must be
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resolved beforehand, there is no
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guarantee on the order conflicting mappings would be resolved at this point.
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This example also shows how to leave a small non conflicting range for local
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id allocation that may be used in internal backends like BUILTIN.
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</para>
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<programlisting>
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[global]
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workgroup = CORP
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idmap config * : backend = tdb
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idmap config * : range = 1000000-1999999
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idmap config CORP : backend = ad
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idmap config CORP : range = 1000-999999
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</programlisting>
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</refsect1>
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<refsect1>
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<title>AUTHOR</title>
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<para>
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The original Samba software and related utilities
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were created by Andrew Tridgell. Samba is now developed
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by the Samba Team as an Open Source project similar
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to the way the Linux kernel is developed.
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</para>
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</refsect1>
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</refentry>
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