[ANNOUNCE] Samba 3.3.0pre2 Available for Download
Karolin Seeger
kseeger at samba.org
Thu Oct 2 12:21:31 GMT 2008
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Release Announcements
=====================
This is the second preview release of Samba 3.3.0. This is *not*
intended for production environments and is designed for testing
purposes only. Please report any defects via the Samba bug reporting
system at https://bugzilla.samba.org/.
Major enhancements in Samba 3.3.0 include:
Configuration/installation:
o Splitting of library directory into library directory and separate
modules directory.
File Serving:
o Extended Cluster support.
Winbind:
o Simplified idmap configuration.
o New idmap backends "adex" and "hash".
o Added new parameter "winbind reconnect delay".
o Added support for user and group aliasing.
Administrative tools:
o The destination "all" of smbcontrol does now affect all running
daemons including nmbd and winbindd.
o New 'net rpc vampire keytab' and 'net rpc vampire ldif' commands.
o The 'net' utility can now use kerberos for joining and authentication.
Libraries:
o NetApi library implements various new calls for User- and Group
Account Management.
Configure changes
=================
The configure option "--with-libdir" has been removed. The library
directory can still be specified by using the existing "--libdir" option.
A new option "--with-modulesdir" has been added to allow the specification
of a separate directory for the shared modules.
Winbind idmap backend changes
=============================
The idmap configuration has changed with version 3.3 to something that
allows a smoother upgrade path from pre-3.0.25 configurations that use
"idmap backend". The reason for this change is that to many, also to Samba
developers, the 3.0.25 style configuration with "idmap config" turned out
to be very complex. Version 3.3 no longer deprecates the "idmap backend"
parameter, instead with "idmap backend" the default idmap backend is
specified.
Accordingly, the "idmap config <domain> : default = yes" setting is no
longer being looked at.
The alloc backend defaults to the default backend, which should be able to
allocate IDs. In the default distribution the tdb and ldap backends can
allocate, the ad and rid backends can not. The idmap alloc range is now
being set with the "old" parameters "idmap uid" and "idmap gid".
The "idmap domains" parameter has been removed.
winbind reconnect delay
=======================
This is a new parameter which specifies the number of seconds the Winbind
daemon will wait between attempts to contact a Domain controller for a domain
that is determined to be down or not contactable.
Winbind's Name Aliasing
=======================
Name aliasing in Winbind is a feature that allows an administrator to
map a fully qualified user or group name from a Windows domain to a
convenient short name for Unix access. This is similar to the username
map functionality supported by smbd but is primary intended for
clients and servers making use of Winbind's PAM and NSS libraries.
For example, the user "DOMAIN\fred" has been mapped to the Unix name
"freddie".
$ getent passwd "DOMAIN\fred"
freddie:x:1000:1001:Fred Jones:/home/freddie:/bin/bash
$ getent passwd freddie
freddie:x:1000:1001:Fred Jones:/home/freddie:/bin/bash
The name aliasing support is provided by individual nss_info plugins.
For example, the new "adex" plugin reads the uid attribute from Active
Directory to make a short login name to the fully qualified name.
While the new "hash" module utilizes a local file to map "short_name
= QUALIFIED\name". Both user and group name mapping is supported.
Please refer to the "winbind nss info" option in smb.conf(5) and
to individual plugin man pages for further details.
idmap_hash
==========
The idmap_hash plugin provides similar support as the idmap_rid
module. However, uids and gids are generated from the full domain
SID using a hashing algorithm that maps the lower 19 bits from the user
or group RID to bits 0 - 19 in the Unix id and hashes 96 bits from
the domain SID to bits 20 - 30 in the Unix id. The result is a 31 bit
uid or gid that is consistent across machines and provides support for
trusted domains.
Please refer to the idmap_hash(8) man page for more details.
idmap_adex
==========
The adex idmap/nss_info plugin is an adaptation of the Likewise
Enterprise plugin with support for OU based cells removed
(since the Windows pieces to manage the cells are not available).
This plugin supports
* The RFC2307 schema for users and groups.
* Connections to trusted domains
* Global catalog searches
* Cross forest trusts
* User and group aliases
Prerequisite: Add the following attributes to the Partial Attribute
Set in global catalog:
* uidNumber
* uid
* gidNumber
A basic config using the current trunk code would look like:
[global]
idmap backend = adex
idmap uid = 10000 - 29999
idmap gid = 10000 - 29999
winbind nss info = adex
winbind normalize names = yes
winbind refresh tickets = yes
template homedir = /home/%D/%U
template shell = /bin/bash
Please refer to the idmap_adex(8) man page for more details.
######################################################################
Changes
#######
smb.conf changes
- ----------------
Parameter Name Description Default
-------------- ----------- -------
cups connection timeout New 30
idmap domains Removed
init logon delayed hosts New ""
init logon delay New 100
winbind reconnect delay New 30
Changes since 3.3.0pre1:
- ------------------------
o Michael Adam <obnox at samba.org>
* BUG 5492: Fix RHEL SPEC file by removing libmsrpc stuff.
* BUG 5507: Fix several issues in the RHEL SPEC file.
o Jeremy Allison <jra at samba.org>
* BUG 5729: Explicitly allow "-valid".
* BUG 5737: Fix winbindd crash in an unusual failure mode.
* BUG 5751: Fix showing of ACLs on DFS in (lib)smbclient.
* BUG 5762: Fix opening of mangled directory name (resulted
'is a stream name').
* BUG 5783: Fix FindFirst where search pattern == mangled filename.
* BUG 5790: Fix returning of STATUS_OBJECT_NAME_NOT_FOUND on set file
disposition.
* BUG 5797: Fix moving of readonly files.
* Fix crashes when looking up a non-existant uid.
* Fix getting/setting of NT ACLs on a file.
* Add st_birthtime and friends for accurate create times on *BSD
and MacOSX).
* Fix the wcache_invalidate_samlogon calls.
* Clarify usage of "force create mode".
* Get smbd to look (read-only) into the winbindd cache for uid/gid <--> sid
mappings.
* Write times code update.
* Add experimental version of VFS module acl_xattr.
* Fix rename_open_files.
* Make SMB traffic analyzer VFS module more efficient.
o Gerald W. Carter <jerry at samba.org>
* Fix segfault when calling nss_get_info() with a NULL ads structure.
* Add support for name aliasing in Winbind.
* Add the idmap/nss-info provider from Likewise Open.
* Allow an admin to define the "uid" attribute for a RFC2307
user object in AD to be the username alias.
* Add new idmap backend "adex" to support RFC2307 enabled AD forests.
* Add new idmap backend "hash".
o Steven Danneman <steven.danneman at isilon.com>
* Fix build warnings.
* Cleanup of DC enumeration in get_dcs().
o Günther Deschner <gd at samba.org>
* BUG 5710: Fix changing of machine account passwords.
* BUG 5784: Fix pam_winbind build issue on Solaris.
* Fix invalid sid copy (hit when enumerating sibling domains) in Winbind.
* Fix double installation of cifs.upcall.
* Add change-user-password command to wbinfo.
* Fix segfault in _srvsvc_NetShareAdd.
o James Ding <ding_cc at hotmail.com>
* BUG 5736: Fix Winbind crash bug with trusted domains.
o Ephi Dror <Ephi.Dror at datadomain.com>
* Correct the netsamlogon_clear_cached_user function.
o Holger Hetterich <hhetter at novell.com>
* Add new VFS module to analyze SMB traffic to record write and read
operations on the Samba server.
o Jeff Layton <jlayton at redhat.com>
* Fix build warnings in cifs.upcall.
o Volker Lendecke <vl at sernet.de>
* BUG 5707: Do proper error handling if the socket is closed.
* BUG 5778: Don't define 'strlcat' and 'strlcpy' if it's already defined.
* Fix Coverity IDs 587 and 589.
* Increase the default positive idmap cache time to a week.
* Fix calculation of useable_space for trans2 and nttrans replies.
* Add mapping of generic bits when setting an NFSv4 ACL.
o Stefan Metzmacher <metze at samba.org>
* Some write time fixes.
o Karolin Seeger <kseeger at samba.org>
* Add new parameter "cups connection timeout".
o Simo Sorce <idra at samba.org>
* Fix enumeration of nested group memberships in Winbind.
This affected only setups using "security = ads".
o Timur <timur at FreeBSD.org>
* Fix cut and paste error in quota code.
* Fix display of POSIX ACLs.
* Fix aio on FreeBSD.
o Andrew Tridgell <tridge at samba.org>
* Fix permissions of group_mapping.ldb (CVE-2008-3789).
* Avoid a race condition in glibc between AIO and setresuid().
* Add missing become root for AIO operations.
* Fix an errno handling bug that could lead to an infinite loop.
* Fix logic of tsmsm_sendfile().
* Fix handling of arbitrary new PAC types.
* Fix segfault on startup with trusted domains.
* Fix segfault on the CTDB destructor code.
* Fix memory leak.
* Re-add "winbind:ignore domains".
o Jelmer Vernooij <jelmer at samba.org>
* Fix segfault (Debian bug #431696).
o Qiao Yang <geoyang at ironport.com>
* Fix a memleak.
Commit Highlights:
- ------------------
o Michael Adam <obnox at samba.org>
* BUG 5609: Remove configure option "--with-libdir" and add
"--with-modulesdir".
* Extend "net rpc vampire keytab" to support differential replication
and storing of kerberos keys.
* Rework internal logic of registry tdb code.
* Freeze autogenerated prototype headers (good bye "make proto").
o Jeremy Allison <jra at samba.org>
* Add new "winbind reconnect delay" parameter.
* Make the change to smbcontrol for "all" to mean broadcast,
and "smbd" to mean the main smb daemon.
o Gerald W. Carter <jerry at samba.org>
* Add support for name aliasing in Winbind.
* Add the idmap/nss-info provider from Likewise Open.
* Allow an admin to define the "uid" attribute for a RFC2307
user object in AD to be the username alias.
* Add new idmap backend "adex" to support RFC2307 enabled AD forests.
o Guenther Deschner <gd at samba.org>
* BUG 5710: Fix changing of machine account passwords.
* Add "net rpc vampire keytab" and "net rpc vampire ldif".
o Volker Lendecke <vl at samba.org>
* Rework of the Winbind idmap backend.
* Fix calculation of useable_space for trans2 and nttrans replies.
* Add mapping of generic bits when setting an NFSv4 ACL.
================
Download Details
================
The uncompressed tarballs and patch files have been signed
using GnuPG (ID 6568B7EA). The source code can be downloaded
from:
http://download.samba.org/samba/ftp/pre/
The release notes are available online at:
http://www.samba.org/samba/ftp/pre/WHATSNEW-3-3-0pre2.txt
Binary packages will be made available on a volunteer basis from
http://download.samba.org/samba/ftp/Binary_Packages/
Our Code, Our Bugs, Our Responsibility.
(https://bugzilla.samba.org/)
--Enjoy
The Samba Team
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