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112 lines
2.7 KiB
XML
112 lines
2.7 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_tdb2.8">
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<refmeta>
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<refentrytitle>idmap_tdb2</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">3.6</refmiscinfo>
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</refmeta>
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<refnamediv>
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<refname>idmap_tdb2</refname>
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<refpurpose>Samba's idmap_tdb2 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>
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The idmap_tdb2 plugin is a substitute for the default idmap_tdb
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backend used by winbindd for storing SID/uid/gid mapping tables
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in clustered environments with Samba and CTDB.
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</para>
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<para>
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In contrast to read only backends like idmap_rid, it is an allocating
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backend: This means that it needs to allocate new user and group IDs in
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order to create new mappings.
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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.
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</para></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>IDMAP SCRIPT</title>
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<para>
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The tdb2 idmap backend supports a script for performing id mappings
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through the smb.conf option <parameter>idmap : script</parameter>.
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The script should accept the following command line options.
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</para>
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<programlisting>
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SIDTOID S-1-xxxx
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IDTOSID UID xxxx
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IDTOSID GID xxxx
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</programlisting>
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<para>
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And it should return one of the following responses as a single line of
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text.
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</para>
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<programlisting>
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UID:yyyy
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GID:yyyy
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SID:yyyy
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ERR:yyyy
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</programlisting>
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<para>
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Note that the script should cover the complete range of SIDs
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that can be passed in for SID to Unix ID mapping, since otherwise
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SIDs unmapped by the script might get mapped to IDs that had
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previously been mapped by the script.
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</para>
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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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This example shows how tdb2 is used as a the default idmap backend.
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It configures the idmap range through the global options for all
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domains encountered.
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</para>
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<programlisting>
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[global]
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idmap config * : backend = tdb2
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idmap config * : range = 1000000-2000000
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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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