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diff --git a/docs/htmldocs/upgrading-to-3.0.html b/docs/htmldocs/upgrading-to-3.0.html new file mode 100644 index 0000000000..e7c1c61234 --- /dev/null +++ b/docs/htmldocs/upgrading-to-3.0.html @@ -0,0 +1,176 @@ +<html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Chapter 30. Upgrading from Samba-2.x to Samba-3.0.0</title><link rel="stylesheet" href="samba.css" type="text/css"><meta name="generator" content="DocBook XSL Stylesheets V1.60.1"><link rel="home" href="samba-doc.html" title="SAMBA Project Documentation"><link rel="up" href="migration.html" title="Part IV. Migration and Updating"><link rel="previous" href="migration.html" title="Part IV. Migration and Updating"><link rel="next" href="NT4Migration.html" title="Chapter 31. Migration from NT4 PDC to Samba-3 PDC"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">Chapter 30. Upgrading from Samba-2.x to Samba-3.0.0</th></tr><tr><td width="20%" align="left"><a accesskey="p" href="migration.html">Prev</a> </td><th width="60%" align="center">Part IV. Migration and Updating</th><td width="20%" align="right"> <a accesskey="n" href="NT4Migration.html">Next</a></td></tr></table><hr></div><div class="chapter" lang="en"><div class="titlepage"><div><div><h2 class="title"><a name="upgrading-to-3.0"></a>Chapter 30. Upgrading from Samba-2.x to Samba-3.0.0</h2></div><div><div class="author"><h3 class="author"><span class="firstname">Jelmer</span> <span class="othername">R.</span> <span class="surname">Vernooij</span></h3><div class="affiliation"><span class="orgname">The Samba Team<br></span><div class="address"><p><tt class="email"><<a href="mailto:jelmer@samba.org">jelmer@samba.org</a>></tt></p></div></div></div></div><div><div class="author"><h3 class="author"><span class="firstname">John</span> <span class="othername">H.</span> <span class="surname">Terpstra</span></h3><div class="affiliation"><span class="orgname">Samba Team<br></span><div class="address"><p><tt class="email"><<a href="mailto:jht@samba.org">jht@samba.org</a>></tt></p></div></div></div></div><div><div class="author"><h3 class="author"><span class="firstname">Gerald</span> <span class="othername">(Jerry)</span> <span class="surname">Carter</span></h3><div class="affiliation"><span class="orgname">Samba Team<br></span><div class="address"><p><tt class="email"><<a href="mailto:jerry@samba.org">jerry@samba.org</a>></tt></p></div></div></div></div><div><p class="pubdate">June 30, 2003</p></div></div><div></div></div><div class="toc"><p><b>Table of Contents</b></p><dl><dt><a href="upgrading-to-3.0.html#id2954094">New Features in Samba-3</a></dt><dt><a href="upgrading-to-3.0.html#id2954229">Configuration Parameter Changes</a></dt><dd><dl><dt><a href="upgrading-to-3.0.html#id2954244">Removed Parameters</a></dt><dt><a href="upgrading-to-3.0.html#id2954370">New Parameters</a></dt><dt><a href="upgrading-to-3.0.html#id2954767">Modified Parameters (changes in behavior):</a></dt></dl></dd><dt><a href="upgrading-to-3.0.html#id2954842">New Functionality</a></dt><dd><dl><dt><a href="upgrading-to-3.0.html#id2954849">Databases</a></dt><dt><a href="upgrading-to-3.0.html#id2955083">Changes in Behavior</a></dt><dt><a href="upgrading-to-3.0.html#id2955133">Charsets</a></dt><dt><a href="upgrading-to-3.0.html#id2955156">Passdb Backends and Authentication</a></dt><dt><a href="upgrading-to-3.0.html#id2955274">Charsets</a></dt><dt><a href="upgrading-to-3.0.html#id2955299">LDAP</a></dt></dl></dd></dl></div><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="id2954094"></a>New Features in Samba-3</h2></div></div><div></div></div><p> +Major new features: +</p><div class="orderedlist"><ol type="1"><li><p> + Active Directory support. This release is able to join a ADS realm + as a member server and authenticate users using LDAP/kerberos. + </p></li><li><p> + Unicode support. Samba will now negotiate UNICODE on the wire and + internally there is now a much better infrastructure for multi-byte + and UNICODE character sets. + </p></li><li><p> + New authentication system. The internal authentication system has + been almost completely rewritten. Most of the changes are internal, + but the new auth system is also very configurable. + </p></li><li><p> + New filename mangling system. The filename mangling system has been + completely rewritten. An internal database now stores mangling maps + persistently. This needs lots of testing. + </p></li><li><p> + New "net" command. A new "net" command has been added. It is + somewhat similar to the "net" command in windows. Eventually we + plan to replace a bunch of other utilities (such as smbpasswd) + with subcommands in "net", at the moment only a few things are + implemented. + </p></li><li><p> + Samba now negotiates NT-style status32 codes on the wire. This + improves error handling a lot. + </p></li><li><p> + Better Windows 2000/XP/2003 printing support including publishing + printer attributes in active directory + </p></li><li><p> + New loadable RPC modules + </p></li><li><p> + New dual-daemon winbindd support (-B) for better performance + </p></li><li><p> + Support for migrating from a Windows NT 4.0 domain to a Samba + domain and maintaining user, group and domain SIDs + </p></li><li><p> + Support for establishing trust relationships with Windows NT 4.0 + domain controllers + </p></li><li><p> + Initial support for a distributed Winbind architecture using + an LDAP directory for storing SID to uid/gid mappings + </p></li><li><p> + Major updates to the Samba documentation tree. + </p></li></ol></div><p> +Plus lots of other improvements! +</p></div><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="id2954229"></a>Configuration Parameter Changes</h2></div></div><div></div></div><p> +This section contains a brief listing of changes to smb.conf options +in the 3.0.0 release. Please refer to the smb.conf(5) man page for +complete descriptions of new or modified parameters. +</p><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="id2954244"></a>Removed Parameters</h3></div></div><div></div></div><p>(order alphabetically):</p><div class="itemizedlist"><ul type="disc"><li><p>admin log </p></li><li><p>alternate permissions </p></li><li><p>character set </p></li><li><p>client codepage </p></li><li><p>code page directory </p></li><li><p>coding system </p></li><li><p>domain admin group </p></li><li><p>domain guest group </p></li><li><p>force unknown acl user </p></li><li><p>nt smb support </p></li><li><p>post script </p></li><li><p>printer driver </p></li><li><p>printer driver file </p></li><li><p>printer driver location </p></li><li><p>status </p></li><li><p>total print jobs </p></li><li><p>use rhosts </p></li><li><p>valid chars </p></li><li><p>vfs options </p></li></ul></div></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="id2954370"></a>New Parameters</h3></div></div><div></div></div><p>(new parameters have been grouped by function):</p><p>Remote management</p><div class="itemizedlist"><ul type="disc"><li><p>abort shutdown script </p></li><li><p>shutdown script </p></li></ul></div><p>User and Group Account Management</p><div class="itemizedlist"><ul type="disc"><li><p>add group script </p></li><li><p>add machine script </p></li><li><p>add user to group script </p></li><li><p>algorithmic rid base </p></li><li><p>delete group script </p></li><li><p>delete user from group script </p></li><li><p>passdb backend </p></li><li><p>set primary group script </p></li></ul></div><p>Authentication</p><div class="itemizedlist"><ul type="disc"><li><p>auth methods </p></li><li><p>ads server </p></li><li><p>realm </p></li></ul></div><p>Protocol Options</p><div class="itemizedlist"><ul type="disc"><li><p>client lanman auth </p></li><li><p>client NTLMv2 auth </p></li><li><p>client schannel </p></li><li><p>client signing </p></li><li><p>client use spnego </p></li><li><p>disable netbios </p></li><li><p>ntlm auth </p></li><li><p>paranoid server security </p></li><li><p>server schannel </p></li><li><p>smb ports </p></li><li><p>use spnego </p></li></ul></div><p>File Service</p><div class="itemizedlist"><ul type="disc"><li><p>get quota command </p></li><li><p>hide special files </p></li><li><p>hide unwriteable files </p></li><li><p>hostname lookups </p></li><li><p>kernel change notify </p></li><li><p>mangle prefix </p></li><li><p>msdfs proxy </p></li><li><p>set quota command </p></li><li><p>use sendfile </p></li><li><p>vfs objects </p></li></ul></div><p>Printing</p><div class="itemizedlist"><ul type="disc"><li><p>max reported print jobs </p></li></ul></div><p>UNICODE and Character Sets</p><div class="itemizedlist"><ul type="disc"><li><p>display charset </p></li><li><p>dos charset </p></li><li><p>unicode </p></li><li><p>unix charset </p></li></ul></div><p>SID to uid/gid Mappings</p><div class="itemizedlist"><ul type="disc"><li><p>idmap backend </p></li><li><p>idmap gid </p></li><li><p>idmap only </p></li><li><p>idmap uid </p></li></ul></div><p>LDAP</p><div class="itemizedlist"><ul type="disc"><li><p>ldap delete dn </p></li><li><p>ldap group suffix </p></li><li><p>ldap idmap suffix </p></li><li><p>ldap machine suffix </p></li><li><p>ldap passwd sync </p></li><li><p>ldap trust ids </p></li><li><p>ldap user suffix </p></li></ul></div><p>General Configuration</p><div class="itemizedlist"><ul type="disc"><li><p>preload modules </p></li><li><p>privatedir </p></li></ul></div></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="id2954767"></a>Modified Parameters (changes in behavior):</h3></div></div><div></div></div><div class="itemizedlist"><ul type="disc"><li><p>encrypt passwords (enabled by default) </p></li><li><p>mangling method (set to 'hash2' by default) </p></li><li><p>passwd chat </p></li><li><p>passwd program </p></li><li><p>restrict anonymous (integer value) </p></li><li><p>security (new 'ads' value) </p></li><li><p>strict locking (enabled by default) </p></li><li><p>winbind cache time (increased to 5 minutes) </p></li><li><p>winbind uid (deprecated in favor of 'idmap uid') </p></li><li><p>winbind gid (deprecated in favor of 'idmap gid') </p></li></ul></div></div></div><div class="sect1" lang="en"><div class="titlepage"><div><div><h2 class="title" style="clear: both"><a name="id2954842"></a>New Functionality</h2></div></div><div></div></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="id2954849"></a>Databases</h3></div></div><div></div></div><p> + This section contains brief descriptions of any new databases + introduced in Samba 3.0. Please remember to backup your existing + ${lock directory}/*tdb before upgrading to Samba 3.0. Samba will + upgrade databases as they are opened (if necessary), but downgrading + from 3.0 to 2.2 is an unsupported path. + </p><div class="table"><a name="id2954868"></a><p class="title"><b>Table 30.1. TDB File Descriptions</b></p><table summary="TDB File Descriptions" border="1"><colgroup><col align="left"><col align="justify"><col align="left"></colgroup><thead><tr><th align="left">Name</th><th align="justify">Description</th><th align="center">Backup?</th></tr></thead><tbody><tr><td align="left">account_policy</td><td align="justify">User policy settings</td><td align="left">yes</td></tr><tr><td align="left">gencache</td><td align="justify">Generic caching db</td><td align="left">no</td></tr><tr><td align="left">group_mapping</td><td align="justify"><p>Mapping table from Windows groups/SID to unix groups</p></td><td align="left">yes</td></tr><tr><td align="left">idmap</td><td align="justify"><p>new ID map table from SIDS to UNIX uids/gids</p></td><td align="left">yes</td></tr><tr><td align="left">namecache</td><td align="justify">Name resolution cache entries</td><td align="left">no</td></tr><tr><td align="left">netlogon_unigrp</td><td align="justify"><p>Cache of universal group membership obtained when operating + as a member of a Windows domain</p></td><td align="left">no</td></tr><tr><td align="left">printing/*.tdb</td><td align="justify"><p>Cached output from 'lpq command' created on a per print + service basis</p></td><td align="left">no</td></tr><tr><td align="left">registry</td><td align="justify"><p>Read-only samba registry skeleton that provides support for + exporting various db tables via the winreg RPCs</p></td><td align="left">no</td></tr></tbody></table></div></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="id2955083"></a>Changes in Behavior</h3></div></div><div></div></div><p> + The following issues are known changes in behavior between Samba 2.2 and + Samba 3.0 that may affect certain installations of Samba. + </p><div class="orderedlist"><ol type="1"><li><p> + When operating as a member of a Windows domain, Samba 2.2 would + map any users authenticated by the remote DC to the 'guest account' + if a uid could not be obtained via the getpwnam() call. Samba 3.0 + rejects the connection as NT_STATUS_LOGON_FAILURE. There is no + current work around to re-establish the 2.2 behavior. + </p></li><li><p> + When adding machines to a Samba 2.2 controlled domain, the + 'add user script' was used to create the UNIX identity of the + machine trust account. Samba 3.0 introduces a new 'add machine + script' that must be specified for this purpose. Samba 3.0 will + not fall back to using the 'add user script' in the absence of + an 'add machine script' + </p></li></ol></div></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="id2955133"></a>Charsets</h3></div></div><div></div></div><p> + You might experience problems with special characters when communicating with old DOS + clients. Codepage support has changed in samba 3.0. Read the chapter + <a href="unicode.html" title="Chapter 27. Unicode/Charsets">Unicode support</a> for details. + </p></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="id2955156"></a>Passdb Backends and Authentication</h3></div></div><div></div></div><p> + There have been a few new changes that Samba administrators should be + aware of when moving to Samba 3.0. + </p><div class="orderedlist"><ol type="1"><li><p> + Encrypted passwords have been enabled by default in order to + inter-operate 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) 'encrypt passwords = no' + must be explicitly defined in smb.conf. + </p></li><li><p> + Inclusion of new <a class="indexterm" name="id2955194"></a><i class="parameter"><tt>security</tt></i> = ads option for integration + with an Active Directory domain using the native Windows + Kerberos 5 and LDAP protocols. + </p></li></ol></div><p> + Samba 3.0 also includes the possibility of setting up chains + of authentication methods + (<a class="indexterm" name="id2955217"></a><i class="parameter"><tt>auth methods</tt></i>) and account + storage backends + (<a class="indexterm" name="id2955232"></a><i class="parameter"><tt>passdb backend</tt></i>). + Please refer to the <tt class="filename">smb.conf</tt> + man page and <a href="passdb.html" title="Chapter 11. Account Information Databases">the chapter about account information databases</a> 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. + </p><p> + Certain functions of the smbpasswd(8) tool have been split between the + new smbpasswd(8) utility, the net(8) tool, and the new pdbedit(8) + utility. See the respective man pages for details. + </p></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="id2955274"></a>Charsets</h3></div></div><div></div></div><p> + You might experience problems with special characters when communicating with old DOS + clients. Codepage support has changed in samba 3.0. Read the chapter + <a href="unicode.html" title="Chapter 27. Unicode/Charsets">Unicode support</a> for details. + </p></div><div class="sect2" lang="en"><div class="titlepage"><div><div><h3 class="title"><a name="id2955299"></a>LDAP</h3></div></div><div></div></div><p> + This section outlines the new features affecting Samba / LDAP integration. + </p><div class="sect3" lang="en"><div class="titlepage"><div><div><h4 class="title"><a name="id2955311"></a>New Schema</h4></div></div><div></div></div><p> + A new object class (sambaSamAccount) has been introduced to replace + the old sambaAccount. This change aids us in the renaming of attributes + to prevent clashes with attributes from other vendors. There is a + conversion script (examples/LDAP/convertSambaAccount) to modify and LDIF + file to the new schema. + </p><p> + Example: + </p><pre class="screen"> + <tt class="prompt">$ </tt>ldapsearch .... -b "ou=people,dc=..." > old.ldif + <tt class="prompt">$ </tt>convertSambaAccount <DOM SID> old.ldif new.ldif + </pre><p> + The <DOM SID> can be obtained by running 'net getlocalsid <DOMAINNAME> + on the Samba PDC as root. + </p><p> + The old sambaAccount schema may still be used by specifying the + "ldapsam_compat" 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 2.2 object class declaration for a sambaAccount has not changed + in the 3.0 samba.schema file. + </p><p> + Other new object classes and their uses include: + </p><div class="itemizedlist"><ul type="disc"><li><p> + sambaDomain - domain information used to allocate rids + for users and groups as necessary. The attributes are added + in 'ldap suffix' directory entry automatically if + an idmap uid/gid range has been set and the 'ldapsam' + passdb backend has been selected. + </p></li><li><p> + sambaGroupMapping - an object representing the + relationship between a posixGroup and a Windows + group/SID. These entries are stored in the 'ldap + group suffix' and managed by the 'net groupmap' command. + </p></li><li><p> + sambaUnixIdPool - created in the 'ldap idmap suffix' entry + automatically and contains the next available 'idmap uid' and + 'idmap gid' + </p></li><li><p> + sambaIdmapEntry - object storing a mapping between a + SID and a UNIX uid/gid. These objects are created by the + idmap_ldap module as needed. + </p></li></ul></div></div><div class="sect3" lang="en"><div class="titlepage"><div><div><h4 class="title"><a name="id2955433"></a>New Suffix for Searching</h4></div></div><div></div></div><p> + The following new smb.conf parameters have been added to aid in directing + certain LDAP queries when 'passdb backend = ldapsam://...' has been + specified. + </p><div class="itemizedlist"><ul type="disc"><li><p>ldap suffix - used to search for user and computer accounts</p></li><li><p>ldap user suffix - used to store user accounts</p></li><li><p>ldap machine suffix - used to store machine trust accounts</p></li><li><p>ldap group suffix - location of posixGroup/sambaGroupMapping entries</p></li><li><p>ldap idmap suffix - location of sambaIdmapEntry objects</p></li></ul></div><p> + If an 'ldap suffix' is defined, it will be appended to all of the + remaining sub-suffix parameters. In this case, the order of the suffix + listings in smb.conf is important. Always place the 'ldap suffix' first + in the list. + </p><p> + Due to a limitation in Samba's smb.conf parsing, you should not surround + the DN's with quotation marks. + </p></div><div class="sect3" lang="en"><div class="titlepage"><div><div><h4 class="title"><a name="id2955500"></a>IdMap LDAP support</h4></div></div><div></div></div><p> + Samba 3.0 supports an ldap backend for the idmap subsystem. The + following options would inform Samba that the idmap table should be + stored on the directory server onterose in the "ou=idmap,dc=plainjoe, + dc=org" partition. + </p><table class="simplelist" border="0" summary="Simple list"><tr><td> </td></tr><tr><td><i class="parameter"><tt>[global]</tt></i></td></tr><tr><td>...</td></tr><tr><td><i class="parameter"><tt>idmap backend = ldap:ldap://onterose/</tt></i></td></tr><tr><td><i class="parameter"><tt>ldap idmap suffix = ou=idmap,dc=plainjoe,dc=org</tt></i></td></tr><tr><td><i class="parameter"><tt>idmap uid = 40000-50000</tt></i></td></tr><tr><td><i class="parameter"><tt>idmap gid = 40000-50000</tt></i></td></tr></table><p> + 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. + </p></div></div></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="migration.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="migration.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="NT4Migration.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">Part IV. 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