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-<?xml version="1.0" encoding="iso-8859-1"?>
-<!DOCTYPE chapter PUBLIC "-//Samba-Team//DTD DocBook V4.2-Based Variant V1.0//EN" "http://www.samba.org/samba/DTD/samba-doc">
-<chapter id="upgrading-to-3.0">
-<chapterinfo>
- &author.jelmer;
- &author.jht;
- &author.jerry;
- <pubdate>August 16, 2007</pubdate>
-</chapterinfo>
-
-<title>Updating and Upgrading Samba</title>
-<para>
-This chapter provides a detailed record of changes made during the 3.x series releases. At this time this
-series consists of the 3.0.x series that is under the GNU GPL version 2 license, and the Samba 3.2.x series
-that is being released under the terms of the GNU GPL version 3 license.
-</para>
-
-<sect1>
-<title>Key Update Requirements</title>
-<para>
-Samba is a fluid product in which there may be significant changes between releases. Some of these changes are
-brought about as a result of changes in the protocols that are used by Microsoft Windows network clients as a
-result of security or functionality updates through official Microsoft patches and updates. Samba must track
-such changes, particularly where they affect the internal operation of Samba itself.
-</para>
-
-<para>
-Please refer to any notes below that make explicit mention of the version of Samba you are using. In general,
-all changes that apply to a new release will apply to follow-on releases also. For example, changes to Samba
-3.0.23 affect all releases up to an including 3.0.25 and later. Samba 3.2.x was originaly cut from Samba
-3.0.25 before 3.2.0-specific changes were applied. Unless a 3.0.x series feature is specifically revoked, the
-behavior of the 3.2.x series can be expected to follow the earlier pattern.
-</para>
-
-<sect2>
-<title>Upgrading from Samba-3.0.x to Samba-3.2.0</title>
-<para>
-</para>
-</sect2>
-
-<sect2 id="oldupdatenotes">
-<title>Upgrading from Samba-2.x to Samba-3.0.25</title>
-<para>
-<indexterm><primary>Samba differences</primary></indexterm>
-<indexterm><primary>changed parameters</primary></indexterm>
-<indexterm><primary>simple guide</primary></indexterm>
-This chapter deals exclusively with the differences between Samba-3.0.25 and Samba-2.2.8a.
-It points out where configuration parameters have changed, and provides a simple guide for
-the move from 2.2.x to 3.0.25.
-</para>
-</sect2>
-
-<sect2>
-<title>Quick Migration Guide</title>
-
-<para>
-Samba-3.0.25 default behavior should be approximately the same as Samba-2.2.x.
-The default behavior when the new parameter <smbconfoption name="passdb backend"/>
-is not defined in the &smb.conf; file provides the same default behavior as Samba-2.2.x
-with <smbconfoption name="encrypt passwords">Yes</smbconfoption> and
-will use the <filename>smbpasswd</filename> database.
-</para>
-
-<para>
-<indexterm><primary>behavior approximately same</primary></indexterm>
-<indexterm><primary>differing protocol</primary></indexterm>
-So why say that <emphasis>behavior should be approximately the same as Samba-2.2.x</emphasis>? Because
-Samba-3.0.25 can negotiate new protocols, such as support for native Unicode, that may result in
-differing protocol code paths being taken. The new behavior under such circumstances is not
-exactly the same as the old one. The good news is that the domain and machine SIDs will be
-preserved across the upgrade.
-</para>
-
-<para>
-<indexterm><primary>LDAP backend</primary></indexterm>
-<indexterm><primary>database</primary></indexterm>
-<indexterm><primary>pdbedit</primary></indexterm>
-<indexterm><primary>Samba-3-compatible LDAP backend</primary></indexterm>
-If the Samba-2.2.x system is using an LDAP backend, and there is no time to update the LDAP
-database, then make sure that <smbconfoption name="passdb backend">ldapsam_compat</smbconfoption>
-is specified in the &smb.conf; file. For the rest, behavior should remain more or less the same.
-At a later date, when there is time to implement a new Samba-3-compatible LDAP backend, it is possible
-to migrate the old LDAP database to the new one through use of the <command>pdbedit</command>.
-See <link linkend="pdbeditthing">The <emphasis>pdbedit</emphasis> Command</link>.
-</para>
-
-</sect2>
-</sect1>
-
-<sect1>
-<title>New Features in Samba-3.x Series</title>
-<para>
-</para>
-
-<sect2>
-<title>New Features in Samba-3.2.x Series</title>
-
-<para>Samba is now distributed under the version 3
-of the new GNU General Public License.
-</para>
-
-<para>
-The major new features are:
-</para>
-
-
-<orderedlist numeration="arabic">
- <listitem><para>
-<indexterm><primary>File Service</primary></indexterm>
-<indexterm><primary>limit</primary></indexterm>
- Removal of the 1024 byte limit on pathnames and 256 byte limit on
- filename components to honor the MAX_PATH setting from the host OS.
- </para></listitem>
-
- <listitem><para>
-<indexterm><primary>Registory</primary></indexterm>
-<indexterm><primary>Configuration</primary></indexterm>
- Introduction of a registry based configuration system.
- </para></listitem>
-
- <listitem><para>
-<indexterm><primary>cluster</primary></indexterm>
- Experimental support for file serving clusters.
- </para></listitem>
-
- <listitem><para>
-<indexterm><primary>IPv6</primary></indexterm>
- Support for IPv6 in the server, and client tools and libraries.
- </para></listitem>
-
- <listitem><para>
-<indexterm><primary>alternate data streams</primary></indexterm>
- Support for storing alternate data streams in xattrs.
- </para></listitem>
-
- <listitem><para>
-<indexterm><primary>Encrypted SMB transport</primary></indexterm>
- Encrypted SMB transport in client tools and libraries, and server.
- </para></listitem>
-
- <listitem><para>
-<indexterm><primary>Windows Vista</primary></indexterm>
- Support for Vista clients authenticating via Kerberos.
- </para></listitem>
-
- <listitem><para>
-<indexterm><primary>Winbind</primary></indexterm>
-<indexterm><primary>forest</primary></indexterm>
- Full support for Windows 2003 cross-forest, transitive trusts
- and one-way domain trusts.
- </para></listitem>
-
- <listitem><para>
-<indexterm><primary>pam_winbind</primary></indexterm>
- Support for userPrincipalName logons via pam_winbind and NSS lookups.
- </para></listitem>
-
- <listitem><para>
-<indexterm><primary>LDAP</primary></indexterm>
-<indexterm><primary>Active Directory</primary></indexterm>
-<indexterm><primary>Signing</primary></indexterm>
- Support for Active Directory LDAP Signing policy.
- </para></listitem>
-
- <listitem><para>
-<indexterm><primary>Licence</primary></indexterm>
-<indexterm><primary>GPL</primary></indexterm>
- New LGPL Winbind client library (libwbclient.so).
- </para></listitem>
-
- <listitem><para>
-<indexterm><primary>domain</primary></indexterm>
-<indexterm><primary>domain trust</primary></indexterm>
- Support for establishing interdomain trust relationships with Windows 2008.
- </para></listitem>
-
- <listitem><para>
-<indexterm><primary>joining</primary></indexterm>
- New client and server support for remotely joining and unjoining Domains.
- </para></listitem>
-
-
- <listitem><para>
-<indexterm><primary>joining</primary></indexterm>
- Support for joining into Windows 2008 domains.
- </para></listitem>
-
-</orderedlist>
-
-<para>
-Plus lots of other improvements!
-</para>
-
-
-</sect2>
-
-<sect2>
-<title>New Features in Samba-3.0.x</title>
-
-<para>
-The major new features are:
-</para>
-
-<orderedlist numeration="arabic">
- <listitem><para>
-<indexterm><primary>ADS</primary></indexterm>
-<indexterm><primary>LDAP/Kerberos</primary></indexterm>
- Active Directory support. This release is able to join an ADS realm
- as a member server and authenticate users using LDAP/Kerberos.
- </para></listitem>
-
- <listitem><para>
-<indexterm><primary>Unicode</primary></indexterm>
-<indexterm><primary>multibyte character sets</primary></indexterm>
- Unicode support. Samba will now negotiate Unicode on the wire, and
- internally there is a much better infrastructure for multibyte
- and Unicode character sets.
- </para></listitem>
-
- <listitem><para>
-<indexterm><primary>authentication system</primary></indexterm>
- New authentication system. The internal authentication system has
- been almost completely rewritten. Most of the changes are internal,
- but the new authoring system is also very configurable.
- </para></listitem>
-
- <listitem><para>
-<indexterm><primary>filename mangling</primary></indexterm>
- New filename mangling system. The filename mangling system has been
- completely rewritten. An internal database now stores mangling maps
- persistently.
- </para></listitem>
-
- <listitem><para>
-<indexterm><primary>net command</primary></indexterm>
- New <quote>net</quote> command. A new <quote>net</quote> command has been added. It is
- somewhat similar to the <quote>net</quote> command in Windows. Eventually, we
- plan to replace a bunch of other utilities (such as smbpasswd)
- with subcommands in <quote>net</quote>.
- </para></listitem>
-
- <listitem><para>
-<indexterm><primary>status32 codes</primary></indexterm>
- Samba now negotiates NT-style status32 codes on the wire. This
- considerably improves error handling.
- </para></listitem>
-
- <listitem><para>
-<indexterm><primary>printer attributes publishing</primary></indexterm>
- Better Windows 200x/XP printing support, including publishing
- printer attributes in Active Directory.
- </para></listitem>
-
- <listitem><para>
-<indexterm><primary>RPC modules</primary></indexterm>
-<indexterm><primary>passdb backends</primary></indexterm>
-<indexterm><primary>character sets</primary></indexterm>
- New loadable RPC modules for passdb backends and character sets.
- </para></listitem>
-
- <listitem><para>
-<indexterm><primary>dual-daemon winbindd</primary></indexterm>
- New default dual-daemon winbindd support for better performance.
- </para></listitem>
-
- <listitem><para>
-<indexterm><primary>migrating</primary></indexterm>
-<indexterm><primary>maintaining ids</primary></indexterm>
-<indexterm><primary>SID</primary></indexterm>
- Support for migrating from a Windows NT 4.0 domain to a Samba
- domain and maintaining user, group, and domain SIDs.
- </para></listitem>
-
- <listitem><para>
-<indexterm><primary>trust relationships</primary></indexterm>
-<indexterm><primary>domain controllers</primary></indexterm>
- Support for establishing trust relationships with Windows NT 4.0
- domain controllers.
- </para></listitem>
-
- <listitem><para>
-<indexterm><primary>Winbind architecture</primary></indexterm>
-<indexterm><primary>LDAP directory</primary></indexterm>
-<indexterm><primary>ID mapping</primary></indexterm>
- Initial support for a distributed Winbind architecture using
- an LDAP directory for storing SID to UID/GID mappings.
- </para></listitem>
-
- <listitem><para>
- Major updates to the Samba documentation tree.
- </para></listitem>
-
- <listitem><para>
-<indexterm><primary>SMB signing</primary></indexterm>
-<indexterm><primary>security settings</primary></indexterm>
- Full support for client and server SMB signing to ensure
- compatibility with default Windows 2003 security settings.
- </para></listitem>
-</orderedlist>
-
-<para>
-Plus lots of other improvements!
-</para>
-
-
-<sect3>
-<title>Configuration Parameter Changes</title>
-
-<para>
-This section contains a brief listing of changes to &smb.conf; options since the Samba-2.2.x series up to and
-including Samba-3.0.25.
-</para>
-
-<para>
-Please refer to the smb.conf(5) man page for complete descriptions of new or modified
-parameters.
-</para>
-
-<para>
-Whenever a Samba update or upgrade is performed it is highly recommended to read the file called
-<emphasis>WHATSNEW.txt</emphasis> that is part of the Samba distribution tarball. This file may also
-be obtain on-line from the Samba <ulink url="http://www.samba.org/samba/">web site</ulink>, in
-the right column, under Current Stable Release, by clicking on <emphasis>Release Notes</emphasis>.
-</para>
-
-</sect3>
-
-<sect3>
-<title>Removed Parameters</title>
-
-<indexterm><primary>deleted parameters</primary></indexterm>
-<para>
-In alphabetical order, these are the parameters eliminated from Samba-2.2.x through 3.0.25.
-</para>
-
-<itemizedlist>
- <listitem><para>admin log</para></listitem>
- <listitem><para>alternate permissions</para></listitem>
- <listitem><para>character set</para></listitem>
- <listitem><para>client codepage</para></listitem>
- <listitem><para>code page directory</para></listitem>
- <listitem><para>coding system</para></listitem>
- <listitem><para>domain admin group</para></listitem>
- <listitem><para>domain guest group</para></listitem>
- <listitem><para>enable rid algorithm</para></listitem>
- <listitem><para>enable svcctl</para></listitem>
- <listitem><para>force unknown acl user</para></listitem>
- <listitem><para>hosts equiv</para></listitem>
- <listitem><para>ldap filter</para></listitem>
- <listitem><para>min password length</para></listitem>
- <listitem><para>nt smb support</para></listitem>
- <listitem><para>post script</para></listitem>
- <listitem><para>printer driver</para></listitem>
- <listitem><para>printer driver file</para></listitem>
- <listitem><para>printer driver location</para></listitem>
- <listitem><para>read size</para></listitem>
- <listitem><para>source environment</para></listitem>
- <listitem><para>status </para></listitem>
- <listitem><para>strip dot </para></listitem>
- <listitem><para>total print jobs</para></listitem>
- <listitem><para>unicode</para></listitem>
- <listitem><para>use rhosts</para></listitem>
- <listitem><para>valid chars</para></listitem>
- <listitem><para>vfs options</para></listitem>
- <listitem><para>winbind enable local accounts</para></listitem>
- <listitem><para>winbind max idle children</para></listitem>
- <listitem><para>wins partners</para></listitem>
-</itemizedlist>
-
-</sect3>
-
-<sect3>
-<title>New Parameters</title>
-
-<para>The following new parameters have been released up to and including Samba 3.0.25 (grouped by function:)</para>
-
-<para>Remote Management</para>
-
-<indexterm><primary>new parameters</primary></indexterm>
-
-<itemizedlist>
- <listitem><para>abort shutdown script</para></listitem>
- <listitem><para>shutdown script</para></listitem>
-</itemizedlist>
-
-<para>User and Group Account Management</para>
-
-<itemizedlist>
- <listitem><para>add group script</para></listitem>
- <listitem><para>add machine script</para></listitem>
- <listitem><para>add user to group script</para></listitem>
- <listitem><para>algorithmic rid base</para></listitem>
- <listitem><para>delete group script</para></listitem>
- <listitem><para>delete user from group script</para></listitem>
- <listitem><para>passdb backend</para></listitem>
- <listitem><para>rename user script</para></listitem>
- <listitem><para>set primary group script</para></listitem>
- <listitem><para>username map script</para></listitem>
-</itemizedlist>
-
-<para>Authentication</para>
-
-<itemizedlist>
- <listitem><para>auth methods</para></listitem>
- <listitem><para>ldap password sync</para></listitem>
- <listitem><para>passdb expand explicit</para></listitem>
- <listitem><para>realm</para></listitem>
-</itemizedlist>
-
-<para>Protocol Options</para>
-
-<itemizedlist>
- <listitem><para>add port command</para></listitem>
- <listitem><para>afs token lifetime</para></listitem>
- <listitem><para>client lanman auth</para></listitem>
- <listitem><para>client NTLMv2 auth</para></listitem>
- <listitem><para>client schannel</para></listitem>
- <listitem><para>client signing</para></listitem>
- <listitem><para>client use spnego</para></listitem>
- <listitem><para>defer sharing violations</para></listitem>
- <listitem><para>disable netbios</para></listitem>
- <listitem><para>dmapi support</para></listitem>
- <listitem><para>enable privileges</para></listitem>
- <listitem><para>use kerberos keytab</para></listitem>
- <listitem><para>log nt token command</para></listitem>
- <listitem><para>ntlm auth</para></listitem>
- <listitem><para>paranoid server security </para></listitem>
- <listitem><para>sendfile</para></listitem>
- <listitem><para>server schannel</para></listitem>
- <listitem><para>server signing</para></listitem>
- <listitem><para>smb ports</para></listitem>
- <listitem><para>svcctl list</para></listitem>
- <listitem><para>use spnego</para></listitem>
-</itemizedlist>
-
-<para>File Service</para>
-
-<itemizedlist>
- <listitem><para>allocation roundup size</para></listitem>
- <listitem><para>acl check permissions</para></listitem>
- <listitem><para>acl group control</para></listitem>
- <listitem><para>acl map full control</para></listitem>
- <listitem><para>aio read size</para></listitem>
- <listitem><para>aio write size</para></listitem>
- <listitem><para>dfree cache time</para></listitem>
- <listitem><para>dfree command</para></listitem>
- <listitem><para>ea support</para></listitem>
- <listitem><para>enable asu support</para></listitem>
- <listitem><para>fam change notify</para></listitem>
- <listitem><para>force unknown acl user</para></listitem>
- <listitem><para>get quota command</para></listitem>
- <listitem><para>hide special files</para></listitem>
- <listitem><para>hide unwriteable files</para></listitem>
- <listitem><para>inherit owner</para></listitem>
- <listitem><para>hostname lookups</para></listitem>
- <listitem><para>kernel change notify</para></listitem>
- <listitem><para>mangle prefix</para></listitem>
- <listitem><para>map acl inherit</para></listitem>
- <listitem><para>map read only</para></listitem>
- <listitem><para>max stat cache size</para></listitem>
- <listitem><para>msdfs proxy</para></listitem>
- <listitem><para>open files database hash size</para></listitem>
- <listitem><para>set quota command</para></listitem>
- <listitem><para>store dos attributes</para></listitem>
- <listitem><para>use sendfile</para></listitem>
- <listitem><para>usershare allow guests</para></listitem>
- <listitem><para>usershare max shares</para></listitem>
- <listitem><para>usershare owner only</para></listitem>
- <listitem><para>usershare path</para></listitem>
- <listitem><para>usershare prefix allow list</para></listitem>
- <listitem><para>usershare prefix deny list</para></listitem>
- <listitem><para>usershare template share</para></listitem>
- <listitem><para>vfs objects</para></listitem>
-</itemizedlist>
-
-<para>Printing</para>
-
-<itemizedlist>
- <listitem><para>cups options</para></listitem>
- <listitem><para>cups server</para></listitem>
- <listitem><para>force printername</para></listitem>
- <listitem><para>iprint server</para></listitem>
- <listitem><para>max reported print jobs</para></listitem>
- <listitem><para>printcap cache time</para></listitem>
-</itemizedlist>
-
-
-<para>Unicode and Character Sets</para>
-
-<itemizedlist>
- <listitem><para>display charset</para></listitem>
- <listitem><para>dos charset</para></listitem>
- <listitem><para>UNIX charset</para></listitem>
-</itemizedlist>
-
-<para>SID to UID/GID Mappings</para>
-
-<itemizedlist>
- <listitem><para>idmap backend</para></listitem>
- <listitem><para>idmap gid</para></listitem>
- <listitem><para>idmap uid</para></listitem>
- <listitem><para>username map script</para></listitem>
- <listitem><para>winbind nss info</para></listitem>
- <listitem><para>winbind offline logon</para></listitem>
- <listitem><para>winbind refresh tickets</para></listitem>
- <listitem><para>winbind trusted domains only</para></listitem>
- <listitem><para>template primary group</para></listitem>
-</itemizedlist>
-
-<para>LDAP</para>
-
-<itemizedlist>
- <listitem><para>ldap delete dn</para></listitem>
- <listitem><para>ldap group suffix</para></listitem>
- <listitem><para>ldap idmap suffix</para></listitem>
- <listitem><para>ldap machine suffix</para></listitem>
- <listitem><para>ldap passwd sync</para></listitem>
- <listitem><para>ldap replication sleep</para></listitem>
- <listitem><para>ldap timeout</para></listitem>
- <listitem><para>ldap user suffix</para></listitem>
-</itemizedlist>
-
-<para>General Configuration</para>
-
-<itemizedlist>
- <listitem><para>eventlog list</para></listitem>
- <listitem><para>preload modules</para></listitem>
- <listitem><para>reset on zero vc</para></listitem>
- <listitem><para>privatedir</para></listitem>
-</itemizedlist>
-
-</sect3>
-
-<sect3>
-<title>Modified Parameters (Changes in Behavior)</title>
-
-<itemizedlist>
- <listitem><para>acl group control (new default is No, deprecated parameter)</para></listitem>
- <listitem><para>change notify timeout (scope changed)</para></listitem>
- <listitem><para>dos filemode (disabled by default)</para></listitem>
- <listitem><para>dos filetimes (enabled by default)</para></listitem>
- <listitem><para>enable asu support (disabled by default)</para></listitem>
- <listitem><para>enable privileges (enabled by default)</para></listitem>
- <listitem><para>encrypt passwords (enabled by default) </para></listitem>
- <listitem><para>host msdfs (enabled by default)</para></listitem>
- <listitem><para>mangling method (set to hash2 by default) </para></listitem>
- <listitem><para>map to guest</para></listitem>
- <listitem><para>only user (deprecated)</para></listitem>
- <listitem><para>passwd chat</para></listitem>
- <listitem><para>passwd program</para></listitem>
- <listitem><para>password server</para></listitem>
- <listitem><para>restrict anonymous (integer value)</para></listitem>
- <listitem><para>security (new ads value)</para></listitem>
- <listitem><para>strict locking (auto by default)</para></listitem>
- <listitem><para>winbind cache time (increased to 5 minutes)</para></listitem>
- <listitem><para>winbind enum groups (disabled by default)</para></listitem>
- <listitem><para>winbind enum users (disabled by default)</para></listitem>
- <listitem><para>winbind nested groups (enabled by default)</para></listitem>
- <listitem><para>winbind uid (deprecated in favor of idmap uid)</para></listitem>
- <listitem><para>winbind gid (deprecated in favor of idmap gid)</para></listitem>
- <listitem><para>winbindd nss info</para></listitem>
- <listitem><para>write cache (deprecated)</para></listitem>
-</itemizedlist>
-
-</sect3>
-
-</sect2>
-
-<sect2>
-<title>New Functionality</title>
-
- <para>
-<indexterm><primary>major changes</primary></indexterm>
- The major changes in behavior since that Samba-2.2.x series are documented in this section.
- Please refer to the <filename>WHATSNEW.txt</filename> file that ships with every release of
- Samba to obtain detailed information regarding the changes that have been made during the
- life of the current Samba release.
- </para>
-
- <sect3>
- <title>TDB Data Files</title>
-
-<indexterm><primary>tdb data files</primary></indexterm>
- <para>
- Refer to <link linkend="install">Installation, Chapter 1</link>, <link linkend="tdbdocs">Chapter 1</link>
- for information pertaining to the Samba-3 data files, their location and the information that must be
- preserved across server migrations, updates and upgrades.
- </para>
-
- <para>
-<indexterm><primary>tdb file backup</primary></indexterm>
- Please remember to back up your existing ${lock directory}/*tdb before upgrading to Samba-3. If necessary,
- Samba will upgrade databases as they are opened. Downgrading from Samba-3 to 2.2, or reversion to an earlier
- version of Samba-3 from a later release, is an unsupported path.
- </para>
-
- <para>
-<indexterm><primary>tdb file descriptions</primary></indexterm>
- The old Samba-2.2.x tdb files are described in <link linkend="oldtdbfiledesc">the next table</link>.
- </para>
-
-
- <table frame='all' id="oldtdbfiledesc"><title>Samba-2.2.x TDB File Descriptions</title>
- <tgroup cols='3'>
- <colspec align="left"/>
- <colspec align="justify" colwidth="1*"/>
- <colspec align="left"/>
- <thead>
- <row>
- <entry align="left">Name</entry>
- <entry align="justify">Description</entry>
- <entry align="center">Backup?</entry>
- </row>
- </thead>
- <tbody>
- <row>
- <entry>account_policy</entry>
- <entry>User policy settings</entry>
- <entry>yes</entry>
- </row>
- <row>
- <entry>brlock</entry>
- <entry>Byte-range file locking information.</entry>
- <entry>no</entry>
- </row>
- <row>
- <entry>connections</entry>
- <entry><para>Client connection information</para></entry>
- <entry>no</entry>
- </row>
- <row>
- <entry>locking</entry>
- <entry>Temporary file locking data.</entry>
- <entry>no</entry>
- </row>
- <row>
- <entry>messages</entry>
- <entry><para>Temporary storage of messages being processed by smbd.</para></entry>
- <entry>no</entry>
- </row>
- <row>
- <entry>ntdrivers</entry>
- <entry><para>Stores per-printer driver information.</para></entry>
- <entry>yes</entry>
- </row>
- <row>
- <entry>ntforms</entry>
- <entry><para>Stores per-printer forms information.</para></entry>
- <entry>yes</entry>
- </row>
- <row>
- <entry>ntprinters</entry>
- <entry><para>Stores the per-printer devmode configuration settings.</para></entry>
- <entry>yes</entry>
- </row>
- <row>
- <entry>printing/*.tdb</entry>
- <entry><para>Cached output from lpq command created on a per-print-service basis.</para></entry>
- <entry>no</entry>
- </row>
- <row>
-
- <entry>registry</entry>
- <entry><para>Read-only Samba registry skeleton that provides support for
- exporting various database tables via the winreg RPCs.</para></entry>
- <entry>no</entry>
- </row>
- <row>
- <entry>sessionid</entry>
- <entry><para>Temporary cache for miscellaneous session information.</para></entry>
- <entry>no</entry>
- </row>
- <row>
- <entry>share_info</entry>
- <entry>Share ACL settings.</entry>
- <entry>yes</entry>
- </row>
- <row>
-
- <entry>unexpected</entry>
- <entry><para>Packets received for which no process was listening.</para></entry>
- <entry>no</entry>
- </row>
- <row>
- <entry>winbindd_cache</entry>
- <entry><para>Cache of identity information received from an NT4 or an ADS domain.</para></entry>
- <entry>yes</entry>
- </row>
- <row>
- <entry>winbindd_idmap</entry>
- <entry><para>New ID map table from SIDS to UNIX UIDs/GIDs.</para></entry>
- <entry>yes</entry>
- </row>
- </tbody>
- </tgroup>
- </table>
-
- </sect3>
-
- <sect3>
- <title>Changes in Behavior</title>
-
- <para>
- The following issues are known changes in behavior between Samba-2.2 and
- Samba-3 that may affect certain installations of Samba.
- </para>
-
- <orderedlist>
- <listitem><para>
-<indexterm><primary>Windows domain</primary></indexterm>
-<indexterm><primary>getpwnam() call</primary></indexterm>
-<indexterm><primary>NT_STATUS_LOGON_FAILURE</primary></indexterm>
- When operating as a member of a Windows domain, Samba-2.2 would map any users authenticated by the remote DC
- to the <quote>guest account</quote> if a UID could not be obtained via the getpwnam() call. Samba-3 rejects
- the connection with the error message <quote>NT_STATUS_LOGON_FAILURE.</quote> There is no current workaround
- to re-establish the Samba-2.2 behavior.
- </para></listitem>
-
- <listitem><para>
-<indexterm><primary>add user script</primary></indexterm>
-<indexterm><primary>add machine script</primary></indexterm>
- When adding machines to a Samba-2.2 controlled domain, the
- <quote>add user script</quote> was used to create the UNIX identity of the
- machine trust account. Samba-3 introduces a new <quote>add machine
- script</quote> that must be specified for this purpose. Samba-3 will
- not fall back to using the <quote>add user script</quote> in the absence of
- an <quote>add machine script</quote>.
- </para></listitem>
- </orderedlist>
-
- </sect3>
-
- <sect3>
- <title>Passdb Backends and Authentication</title>
-
- <para>
- There have been a few new changes that Samba administrators should be
- aware of when moving to Samba-3.
- </para>
-
- <orderedlist>
- <listitem><para>
-<indexterm><primary>encrypted passwords</primary></indexterm>
- Encrypted passwords have been enabled by default in order to
- interoperate better with out-of-the-box Windows client
- installations. This does mean that either (a) a Samba account
- must be created for each user, or (b) <quote>encrypt passwords = no</quote>
- must be explicitly defined in &smb.conf;.
- </para></listitem>
-
- <listitem><para>
-<indexterm><primary>ADS</primary></indexterm>
-<indexterm><primary>Kerberos</primary></indexterm>
-<indexterm><primary>LDAP</primary></indexterm>
- Inclusion of new <smbconfoption name="security">ads</smbconfoption> option for integration
- with an Active Directory domain using the native Windows Kerberos 5 and LDAP protocols.
- </para></listitem>
- </orderedlist>
-
- <para>
-<indexterm><primary>account storage backends</primary></indexterm>
- Samba-3 also includes the possibility of setting up chains of authentication methods (<smbconfoption
- name="auth methods"/>) and account storage backends (<smbconfoption name="passdb backend"/>). Please refer to
- the &smb.conf; man page and <link linkend="passdb">Account Information Databases</link>, for
- details. While both parameters assume sane default values, it is likely that you will need to understand what
- the values actually mean in order to ensure Samba operates correctly.
- </para>
-
- <para>
-<indexterm><primary>pdbedit</primary></indexterm>
-<indexterm><primary>smbpasswd</primary></indexterm>
-<indexterm><primary>net tool</primary></indexterm>
- Certain functions of the <command>smbpasswd</command> tool have been split between the
- new <command>smbpasswd</command> utility, the <command>net</command> tool, and the new <command>pdbedit</command>
- utility. See the respective man pages for details.
- </para>
-
- </sect3>
-
- <sect3>
- <title>LDAP</title>
-
- <para>
- This section outlines the new features effecting Samba/LDAP integration.
- </para>
-
- <sect4>
- <title>New Schema</title>
-
- <para>
-<indexterm><primary>object class</primary></indexterm>
-<indexterm><primary>sambaSamAccount</primary></indexterm>
-<indexterm><primary>LDIF</primary></indexterm>
-<indexterm><primary>attributes</primary></indexterm>
- A new object class (sambaSamAccount) has been introduced to replace
- the old sambaAccount. This change aids in the renaming of attributes
- to prevent clashes with attributes from other vendors. There is a
- conversion script (examples/LDAP/convertSambaAccount) to modify an LDIF
- file to the new schema.
- </para>
-
- <para>
- Example:
-<indexterm><primary>ldapsearch</primary></indexterm>
- </para>
- <para><screen>
- &prompt;ldapsearch .... -LLL -b "ou=people,dc=..." &gt; old.ldif
- &prompt;convertSambaAccount --sid &lt;DOM SID&gt; --input old.ldif --output new.ldif
- </screen></para>
-
- <para>
-<indexterm><primary>net</primary><secondary>getlocalsid</secondary></indexterm>
- The &lt;DOM SID&gt; can be obtained by running
-<screen>
-&prompt;<userinput>net getlocalsid &lt;DOMAINNAME&gt;</userinput>
-</screen>
-<indexterm><primary>PDC</primary></indexterm>
- on the Samba PDC as root.
- </para>
-
- <para>
- Under Samba-2.x the domain SID can be obtained by executing:
-<indexterm><primary>smbpasswd</primary></indexterm>
-<screen>
-&prompt;<userinput>smbpasswd -S &lt;DOMAINNAME&gt;</userinput>
-</screen>
- </para>
-
- <para>
-<indexterm><primary>old sambaAccount</primary></indexterm>
-<indexterm><primary>ldapsam_compat</primary></indexterm>
-<indexterm><primary>object class declaration</primary></indexterm>
-<indexterm><primary>samba.schema</primary></indexterm>
- The old <literal>sambaAccount</literal> schema may still be used by specifying the
- <parameter>ldapsam_compat</parameter> passdb backend. However, the sambaAccount and
- associated attributes have been moved to the historical section of
- the schema file and must be uncommented before use if needed.
- The Samba-2.2 object class declaration for a <literal>sambaAccount</literal> has not changed
- in the Samba-3 <filename>samba.schema</filename> file.
- </para>
-
- <para>
- Other new object classes and their uses include:
- </para>
-
- <itemizedlist>
- <listitem><para>
-<indexterm><primary>sambaDomain</primary></indexterm>
-<indexterm><primary>domain information</primary></indexterm>
-<indexterm><primary>RID</primary></indexterm>
-<indexterm><primary>ldap suffix</primary></indexterm>
-<indexterm><primary>ldapsam</primary></indexterm>
-<indexterm><primary>idmap</primary></indexterm>
- <literal>sambaDomain</literal> &smbmdash; domain information used to allocate RIDs
- for users and groups as necessary. The attributes are added
- in <quote>ldap suffix</quote> directory entry automatically if
- an idmap UID/GID range has been set and the <quote>ldapsam</quote>
- passdb backend has been selected.
- </para></listitem>
-
- <listitem><para>
-<indexterm><primary>sambaGroupMapping</primary></indexterm>
-<indexterm><primary>ldap group suffix</primary></indexterm>
-<indexterm><primary>net groupmap</primary></indexterm>
- sambaGroupMapping &smbmdash; an object representing the
- relationship between a posixGroup and a Windows
- group/SID. These entries are stored in the <quote>ldap
- group suffix</quote> and managed by the <quote>net groupmap</quote> command.
- </para></listitem>
-
- <listitem><para>
-<indexterm><primary>sambaUNIXIdPool</primary></indexterm>
-<indexterm><primary>ldap idmap suffix</primary></indexterm>
-<indexterm><primary>idmap UID</primary></indexterm>
-<indexterm><primary>idmap GID</primary></indexterm>
- <literal>sambaUNIXIdPool</literal> &smbmdash; created in the <quote>ldap idmap suffix</quote> entry
- automatically and contains the next available <quote>idmap UID</quote> and
- <quote>idmap GID</quote>.
- </para></listitem>
-
- <listitem><para>
-<indexterm><primary>sambaIdmapEntry</primary></indexterm>
-<indexterm><primary>idmap_ldap module</primary></indexterm>
- <literal>sambaIdmapEntry</literal> &smbmdash; object storing a mapping between a
- SID and a UNIX UID/GID. These objects are created by the
- idmap_ldap module as needed.
- </para></listitem>
- </itemizedlist>
-
- </sect4>
-
- <sect4>
- <title>New Suffix for Searching</title>
-
- <para>
-<indexterm><primary>LDAP queries</primary></indexterm>
-<indexterm><primary>passdb backend</primary></indexterm>
-<indexterm><primary>ldap suffix</primary></indexterm>
-<indexterm><primary>ldap user suffix</primary></indexterm>
-<indexterm><primary>ldap machine suffix</primary></indexterm>
-<indexterm><primary>ldap group suffix</primary></indexterm>
-<indexterm><primary>ldap idmap suffix</primary></indexterm>
- The following new &smb.conf; parameters have been added to aid in directing
- certain LDAP queries when <parameter>passdb backend = ldapsam://...</parameter> has been
- specified.
- </para>
-
- <itemizedlist>
- <listitem><para>ldap suffix &smbmdash; used to search for user and computer accounts.</para></listitem>
- <listitem><para>ldap user suffix &smbmdash; used to store user accounts.</para></listitem>
- <listitem><para>ldap machine suffix &smbmdash; used to store machine trust accounts.</para></listitem>
- <listitem><para>ldap group suffix &smbmdash; location of posixGroup/sambaGroupMapping entries.</para></listitem>
- <listitem><para>ldap idmap suffix &smbmdash; location of sambaIdmapEntry objects.</para></listitem>
- </itemizedlist>
-
- <para>
-<indexterm><primary>ldap suffix</primary></indexterm>
-<indexterm><primary>subsuffix parameters</primary></indexterm>
- If an <parameter>ldap suffix</parameter> is defined, it will be appended to all of the
- remaining subsuffix parameters. In this case, the order of the suffix
- listings in &smb.conf; is important. Always place the <parameter>ldap suffix</parameter> first
- in the list.
- </para>
-
- <para>
- Due to a limitation in Samba's &smb.conf; parsing, you should not surround
- the domain names with quotation marks.
- </para>
-
- </sect4>
-
- <sect4>
- <title>IdMap LDAP Support</title>
-
- <para>
-<indexterm><primary>idmap backend</primary></indexterm>
- Samba-3 supports an LDAP backend for the idmap subsystem. The
- following options inform Samba that the idmap table should be
- stored on the directory server <emphasis>onterose</emphasis> in the ou=Idmap,dc=quenya,dc=org partition.
- </para>
-
- <smbconfblock>
- <smbconfsection name="[global]"/>
- <member>...</member>
- <smbconfoption name="idmap backend">ldap:ldap://onterose/</smbconfoption>
- <smbconfoption name="ldap idmap suffix">ou=Idmap</smbconfoption>
- <smbconfoption name="idmap uid">40000-50000</smbconfoption>
- <smbconfoption name="idmap gid">40000-50000</smbconfoption>
- </smbconfblock>
-
- <para>
-<indexterm><primary>NFS</primary></indexterm>
- This configuration allows Winbind installations on multiple servers to
- share a UID/GID number space, thus avoiding the interoperability problems
- with NFS that were present in Samba-2.2.
- </para>
-
- </sect4>
-
- </sect3>
-
- </sect2>
-
-</sect1>
-
-</chapter>