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<?xml version="1.0" encoding="iso-8859-1"?>
<!DOCTYPE refentry PUBLIC "-//Samba-Team//DTD DocBook V4.2-Based Variant V1.0//EN" "http://www.samba.org/samba/DTD/samba-doc">
<refentry id="vfs_acl_tdb.8">
<refmeta>
<refentrytitle>vfs_acl_tdb</refentrytitle>
<manvolnum>8</manvolnum>
<refmiscinfo class="source">Samba</refmiscinfo>
<refmiscinfo class="manual">System Administration tools</refmiscinfo>
<refmiscinfo class="version">4.7</refmiscinfo>
</refmeta>
<refnamediv>
<refname>vfs_acl_tdb</refname>
<refpurpose>Save NTFS-ACLs in a tdb file</refpurpose>
</refnamediv>
<refsynopsisdiv>
<cmdsynopsis>
<command>vfs objects = acl_tdb</command>
</cmdsynopsis>
</refsynopsisdiv>
<refsect1>
<title>DESCRIPTION</title>
<para>This VFS module is part of the
<citerefentry><refentrytitle>samba</refentrytitle>
<manvolnum>7</manvolnum></citerefentry> suite.</para>
<para>The <command>vfs_acl_tdb</command> VFS module stores
NTFS Access Control Lists (ACLs) in a tdb file.
This enables the full mapping of Windows ACLs on Samba
servers.
</para>
<para>
The ACL settings are stored in
<filename>$LOCKDIR/file_ntacls.tdb</filename>.
</para>
<para>
This module forces the following parameters:
<itemizedlist>
<listitem><para>inherit acls = true</para></listitem>
<listitem><para>dos filemode = true</para></listitem>
<listitem><para>force unknown acl user = true</para></listitem>
</itemizedlist>
</para>
<para>This module is stackable.</para>
</refsect1>
<refsect1>
<title>OPTIONS</title>
<variablelist>
<!-- please keep in sync with the other acl vfs modules that provide the same options -->
<varlistentry>
<term>acl_tdb:ignore system acls = [yes|no]</term>
<listitem>
<para>
When set to <emphasis>yes</emphasis>, a best effort mapping
from/to the POSIX ACL layer will <emphasis>not</emphasis> be
done by this module. The default is <emphasis>no</emphasis>,
which means that Samba keeps setting and evaluating both the
system ACLs and the NT ACLs. This is better if you need your
system ACLs be set for local or NFS file access, too. If you only
access the data via Samba you might set this to yes to achieve
better NT ACL compatibility.
</para>
<para>
If <emphasis>acl_tdb:ignore system acls</emphasis>
is set to <emphasis>yes</emphasis>, the following
additional settings will be enforced:
<itemizedlist>
<listitem><para>create mask = 0666</para></listitem>
<listitem><para>directory mask = 0777</para></listitem>
<listitem><para>map archive = no</para></listitem>
<listitem><para>map hidden = no</para></listitem>
<listitem><para>map readonly = no</para></listitem>
<listitem><para>map system = no</para></listitem>
<listitem><para>store dos attributes = yes</para></listitem>
</itemizedlist>
</para>
</listitem>
</varlistentry>
<varlistentry>
<term>acl_tdb:default acl style = [posix|windows|everyone]</term>
<listitem>
<para>
This parameter determines the type of ACL that is synthesized in
case a file or directory lacks an
<emphasis>security.NTACL</emphasis> xattr.
</para>
<para>
When set to <emphasis>posix</emphasis>, an ACL will be
synthesized based on the POSIX mode permissions for user, group
and others, with an additional ACE for <emphasis>NT
Authority\SYSTEM</emphasis> will full rights.
</para>
<para>
When set to <emphasis>windows</emphasis>, an ACL is synthesized
the same way Windows does it, only including permissions for the
owner and <emphasis>NT Authority\SYSTEM</emphasis>.
</para>
<para>
When set to <emphasis>everyone</emphasis>, an ACL is synthesized
giving full permissions to everyone (S-1-1-0).
</para>
<para>
The default for this option is <emphasis>posix</emphasis>.
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1>
<title>AUTHOR</title>
<para>The original Samba software and related utilities
were created by Andrew Tridgell. Samba is now developed
by the Samba Team as an Open Source project similar
to the way the Linux kernel is developed.</para>
</refsect1>
</refentry>
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