1 WHATS NEW IN Samba 3.0.0 RC2
3 ==============================
5 This is the second release candidate snapshot of Samba 3.0.0. A release
6 candidate implies that the code is very close to a final release, remember
7 that this is still a non-production release intended for testing purposes.
10 The purpose of this release candidate is to get wider testing of the major
11 new pieces of code in the current Samba 3.0 development tree.
12 Please refer to the section on "Known Issues" for more details.
18 1) Active Directory support. Samba 3.0 is now able to
19 join a ADS realm as a member server and authenticate
20 users using LDAP/Kerberos.
22 2) Unicode support. Samba will now negotiate UNICODE on the wire and
23 internally there is now a much better infrastructure for multi-byte
24 and UNICODE character sets.
26 3) New authentication system. The internal authentication system has
27 been almost completely rewritten. Most of the changes are internal,
28 but the new auth system is also very configurable.
30 4) New default filename mangling system.
32 5) A new "net" command has been added. It is somewhat similar to
33 the "net" command in windows. Eventually we plan to replace
34 numerous other utilities (such as smbpasswd) with subcommands
37 6) Samba now negotiates NT-style status32 codes on the wire. This
38 improves error handling a lot.
40 7) Better Windows 2000/XP/2003 printing support including publishing
41 printer attributes in active directory.
43 8) New loadable module support for passdb backends and
46 9) New default dual-daemon winbindd support for better performance.
48 10) Support for migrating from a Windows NT 4.0 domain to a Samba
49 domain and maintaining user, group and domain SIDs.
51 11) Support for establishing trust relationships with Windows NT 4.0
54 12) Initial support for a distributed Winbind architecture using
55 an LDAP directory for storing SID to uid/gid mappings.
57 13) Major updates to the Samba documentation tree.
59 14) Full support for client and server SMB signing to ensure
60 compatibility with default Windows 2003 security settings.
62 Plus lots of other improvements!
65 Additional Documentation
66 ------------------------
68 Please refer to Samba documentation tree (included in the docs/
69 subdirectory) for extensive explanations of installing, configuring
70 and maintaining Samba 3.0 servers and clients. It is advised to
71 begin with the Samba-HOWTO-Collection for overviews and specific
72 tasks (the current book is up to approximately 400 pages) and to
73 refer to the various man pages for information on individual options.
76 ######################################################################
80 Please refer to the CVS log for the SAMBA_3_0 branch for complete
83 1) Add levels 261 and 262 to search. Found using Samba4 tester.
84 2) Correct bad error return code in session setup reply
85 3) Fix bug where smbd returned DOS error codes from SMBsearch
86 even when NT1 protocol was negotiated.
87 4) Implement SMBexit properly.
88 5) Return group lists from a Samba PDC to a Windows 9x/ME box
89 in implementing user level access control (bug 314).
90 6) Prevent SWAT from crashing when adding shares (bug 254)
91 7) Fix various documentation issues (bugs 304 & 214)
92 8) Fix wins server listing in SWAT (bug 197)
93 9) Fix problem in rpcclient that caused enumerating printer
94 drivers to report failure (bug 294).
95 10) Use kerberos 5 authentication in our client code whenever possible
96 11) Fix schannel bug that caused Active Directory DC's to downgrade our
97 machine account to an NT member.
98 12) Implement missing SAMR_REMOVE_USER_FOREIGN_DOMAIN call (bug 252).
99 13) Implement automatic generation of include/version.h
100 14) Include initial version of smbldap-tool scripts for the Samba
102 15) Implement numerous fixes for multi-byte character strings.
103 16) Enable 'unix extensions' parameter by default.
104 17) Make sure we set the SID type when falling back to the rid
106 18) Correct linking problems with pam_smbpass (bug 327).
107 19) Add SYSV defines for Irix and Solaris to ensure the 'printing'
108 parameter default to the correct value (bug 230)
109 20) Fix recursion bug in alloc_string_sub() (bug 289, et. al.)
110 21) Ensure that 'make install' includes the static and shared
111 versions of the libsmbclient libraries.
112 22) Add CP850 and CP437 internal character set support (bug 150).
113 23) Add support to examples/LDAP/convertSambaAccount for generating
114 LDIF modify files instead of just add (303).
115 24) Fix support for -W option in smbclient (bug 39)
116 25) Remove 'ldap trust ids' parameter since it could not be supported
117 by the current architecture.
118 26) Don't crash when no argument is given to -T in smbclient (bug 345).
119 27) Ensure smbadduser contains the same paths for the smbpasswd file
120 as the other Samba tools (bug 290).
121 28) Port of 'available = no' fix for [homes] from SAMBA_2_2 cvs tree.
122 29) Add sanity checks to DeletePrinterData[Ex]() and ensure that the
123 modified printer is written to disk.
124 30) Force winbindd to periodically update the trusted domain cache.
125 31) Remove outdated import/export script to convert an smbpasswd file
126 to and from and LDAP directory. Use the pdbedit tool instead.
131 Changes since 3.0beta3
132 ######################
134 1) Various memory leak fixes.
135 2) Provide full support for SMB signing (server and client)
136 3) Check for broken getgrouplist() in glibc.
137 4) Don't get stuck in an infinite loop listing directories
138 recursively if the server returns an empty directory name
140 5) Idle LDAP connections after 150 seconds.
141 6) Patched make uninstallmodules (bug 236).
142 7) Fix bug that caused smbd to return incomplete directory listings
143 when UNIX files contained MS wildcard characters.
144 8) Quiet default debug messages in command line tools.
145 9) Fixes to avoid panics on invalid multi-byte strings.
146 10) Fix error messages when creating a new smbpasswd file (bug 198).
147 11) Implemented better detection routines in autoconf scripts for
148 locating ads support on the host OS.
149 12) Fix bug that caused libraries in /usr/local/lib to be ignored
151 13) Ensure winbindd_ads uses the correct realm or domain name when
152 connecting to trusted DC.
153 14) Ensure a correct prototype is created for snprintf() (bug 187)
154 15) Stop files being created on read-only shares in some circumstances.
155 16) Fix wbinfo -p (bug 251)
156 17) Support schannel on any tcp/ip connection if necessary
157 18) Correct bug in user_in_list() so that it works with winbind groups
159 19) Ensure the schannel bind credentials default to the domain
160 of the destination host.
161 20) Default password expiration time in account_pol.tdb to never
162 expire. Remove any existing account_pol.tdb file to reset
163 the new default policy (bug 184).
164 21) Add buttons to SWAT to change the view of smb.conf (bug 212)
165 22) Fix incorrect checks that determine whether or not the 'add user
166 script' has been set.
167 23) More cleanup for internal character set conversions.
168 24) Fixes for multi-byte strings in stat cache code.
169 25) Ensure that the net command honors the 'workgroup' parameter
170 in smb.conf when not overridden from the command line.
171 26) Add gss-spnego support to the ntlm_auth tool.
172 27) Add vfs_default_quota VFS module.
173 28) Added server support for NT quota interfaces.
174 29) Prevent Krb5 replay attacks by adding a replay_cache.
175 30) Fix problems with winbindd and transitive trusts in AD domains.
176 31) Added -S to client tools for setting SMB signing options on the
178 32) Fix bug causing the 'passwd change program' to be called as the
179 connected user and not root.
180 33) Fixed data corruption bug in byte-range locking (e.g. affected MS Excel).
181 34) Support winbindd on FreeBSD is possible.
182 35) Look at only the first OID in the security blob sent in the session
183 setup request to determine the token type.
184 36) Only push locks onto a blocking lock queue if the posix lock failed with
185 EACCES or EAGAIN (this means another lock conflicts). Else return an
186 error and don't queue the request.
187 37) Fix command line argument processing for smbtar.
188 38) Correct issue that caused smbd to return generic unix_user.<uid>
190 39) Default to algorithmic mapping when generating a rid for a group
192 40) Expand %g and %G in logon script, profile path, etc... during
193 a domain logon (bug 208).
194 41) Make sure smbclient obeys '-s <config>'
195 42) Added win2k3 shadow copy operations to VFS interface.
196 43) Allow connections to samba domain member as SERVER\user (don't
197 always default to DOMAIN\user).
198 44) Remove checks in winbindd that caused it to attempt to use
199 non-transitive trust relationships.
200 45) Remove delays in winbindd caused by invalid DNS lookups.
201 46) Fix supplementary group memberships on systems with slightly
202 broken NSS implementations (bug 267).
203 47) Correct issue that prevented smbclient from viewing shares on
204 a win2k server when using a non-anonymous connection (bug 284).
205 48) Add --domain=DOMAIN_NAME to wbinfo for limiting operations like
206 'wbinfo -u' to a single domain. The '.' character represents
208 49) Fix group enumeration bug when using an LDAP directory for
209 storing group mappings.
210 50) Default to use NTLMv2 if available. Fallback to not use LM/NTLM
211 when the extended security capability bit is not set.
212 51) Fix crash in 'wbinfo -a' when using extended characters in the
214 52) Fix multi-byte strupper() panics (bug 205).
215 53) Add vfs_readonly VFS module.
216 54) Make sure to initialize the sambaNextUserRid and sambaNextGroupRid
217 attributes when using 'idmap backend = ldap' (bug 280).
218 55) Make sure that users shared between a Samba PDC and member
219 samba server are seen as domain users and not local users on the
221 56) Fix Query FS Info level 2.
222 57) Allow enumeration of users and groups by win9x "file server" (bug
224 58) Create symlinks during install for modules that support mutliple
226 59) More iconv detection fixes.
227 60) Fix path length error in vfs_recycle module (bug 291).
228 61) Added server support for the LSA_DS UUID on the \lsarpc pipe.
229 (server DsRoleGetPrimaryDomainInfo() is currently disabled).
230 62) Fix SMBseek and get/set position calls.
231 62) Fix SetFileInfo level 1.
232 63) Added tool to convert smbd log file to a pcap file (log2pcaphex).
236 Changes since 3.0beta2
237 ######################
239 1) Added fix for Japanese case names in statcache code;
240 these can change size on upper casing.
241 2) Correct issues with iconv detection in configure script
242 (support needed to find iconv libraries on FreeBSD).
243 3) Fix bug that caused a WINS server to be marked as dead
244 incorrectly (bug #190).
245 4) Removing additional deadlocks conditions that prevented
246 winbindd from running on a Samba PDC (used for trust
248 5) Add support for searching for Active Directory for
249 published printers (net ads printer search).
250 6) Separate UNIX username from DOMAIN\username in pipe
252 7) Auth modules now support returning NT_STATUS_NOT_IMPLEMENTED
253 for cases that they cannot handle.
254 8) Flush winbindd connection cache when the machine trust account
255 password is changed while a connection is open (bug #200).
256 9) Add support for 'OSVersion' server printer data string
257 (corrects problem with uploading printer drivers from
259 10) Numerous memory leak fixes.
260 11) LDAP fixes ("passdb backend = ldapsam" & "idmap backend = ldap"):
261 - Store domain SID in LDAP directory.
262 - store idmap information in existing entries (use sambaSID=...
263 if adding a new entry).
264 12) Fix incorrect usage of primary group SID when looking up user
266 13) Remove idmap_XX_to_XX calls from smbd. Move back to the the
267 winbind_XXX and local_XXX calls used in 2.2.
268 14) All uid/gid allocation must involve winbindd now (we do not
269 attempt to map unknown SIDs to a UNIX identify).
270 15) Add 'winbind trusted domains only' parameter to force a domain
271 member. The server to use matching users names from /etc/passwd
272 for its domain (needed for domain member of a Samba domain).
273 16) Rename 'idmap only' to 'enable rid algorithm' for better clarity
275 17) Add support for multi-byte statcache code (bug #185)
276 18) Fix open mode race condition.
277 19) Implement winbindd local account management functions. Refer to
278 the "Winbind Changes" section for details.
279 20) Move RID allocation functions into idmap backend.
280 21) Fix parsing error that prevented publishing printers from a
281 Samba server in an AD domain.
282 22) Revive NTLMSSP support for named pipes.
283 23) More SCHANNEL fixes.
284 24) Correct SMB signing with NTLMSSP.
285 25) Fix coherency bug in print handle/printer object caching code
286 that could cause XP clients to infinitely loop while updating
287 their local printer cache.
288 26) Make winbindd use its dual-daemon mode by default (use -Y to
289 start as a single process).
290 27) Add support to nmbd and winbindd for 'smbcontrol <pid>
292 28) Correct problem with smbtar when dealing with files > 8Gb
297 Changes since 3.0beta1
298 ######################
300 1) Rework our smb signing code again, this factors out some of
301 the common MAC calculation code, and now supports multiple
302 outstanding packets (bug #40).
303 2) Enforce 'client plaintext auth', 'client lanman auth' and 'client
305 3) Correct timestamp problem on 64-bit machines (bug #140).
306 4) Add extra debugging statements to winbindd for tracking down
308 5) Fix bug when aliased 'winbind uid/gid' parameters are used.
309 ('winbind uid/gid' are now replaced with 'idmap uid/gid').
310 6) Added an auth flag that indicates if we should be allowed
311 to fall back to NTLMSSP for SASL if krb5 fails.
312 7) Fixed the bug that forced us not to use the winbindd cache when
313 we have a primary ADS domain and a secondary (trusted) NT4
315 8) Use lp_realm() to find the default realm for 'net ads password'.
316 9) Removed editreg from standard build until it is portable..
317 10) Fix domain membership for servers not running winbindd.
318 11) Correct race condition in determining the high water mark
319 in the idmap backend (bug #181).
320 12) Set the user's primary unix group from usrmgr.exe (partial
322 13) Show comments when doing 'net group -l' (bug #3).
323 14) Add trivial extension to 'net' to dump current local idmap
324 and restore mappings as well.
325 15) Modify 'net rpc vampire' to add new and existing users to
326 both the idmap and the SAM. This code needs further testing.
327 16) Fix crash bug in ADS searches.
328 17) Build libnss_wins.so as part of nsswitch target (bug #160).
329 18) Make net rpc vampire return an error if the sam sync RPC
331 19) Fail to join an NT 4 domain as a BDC if a workstation account
332 using our name exists.
333 20) Fix various memory leaks in server and client code
334 21) Remove the short option to --set-auth-user for wbinfo (-A) to
335 prevent confusion with the -a option (bug #158).
336 22) Added new 'map acl inherit' parameter.
337 23) Removed unused 'privileges' code from group mapping database.
338 24) Don't segfault on empty passdb backend list (bug #136).
339 25) Fixed acl sorting algorithm for Windows 2000 clients.
340 26) Replace universal group cache with netsamlogon_cache
341 from APPLIANCE_HEAD branch.
342 27) Fix autoconf detection issues surrounding --with-ads=yes
343 but no Krb5 header files installed (bug #152).
344 28) Add LDAP lookup for domain sequence number in case we are
345 joined using NT4 protocols to a native mode AD domain.
346 29) Fix backend method selection for trusted NT 4 (or 2k
348 30) Fixed bug that caused us to enumerate domain local groups
349 from native mode AD domains other than our own.
350 31) Correct group enumeration for viewing in the Windows
351 security tab (bug #110).
352 32) Consolidate the DC location code.
353 33) Moved 'ads server' functionality into 'password server' for
354 backwards compatibility.
355 34) Fix winbindd_idmap tdb upgrades from a 2.2 installation.
356 ( if you installed beta1, be sure to
357 'mv idmap.tdb winbindd_idmap.tdb' ).
358 35) Fix pdb_ldap segfaults, and wrong default values for
360 36) Enable negative connection cache for winbindd's ADS backend
362 37) Enable address caching for active directory DC's so we don't
363 have to hit DNS so much.
364 38) Fix bug in idmap code that caused mapping to randomly be
366 39) Add tdb locking code to prevent race condition when adding a
367 new mapping to idmap.
368 40) Fix 'map to guest = bad user' when acting as a PDC supporting
370 41) Prevent deadlock issues when running winbindd on a Samba PDC
371 to handle allocating uids & gids for trusted users and groups
372 42) added LOCALE patch from Steve Langasek (bug #122).
373 43) Add the 'guest' passdb backend automatically to the end of
374 the 'passdb backend' list if 'guest account' has a valid
376 44) Remove samstrict_dc auth method. Rework 'samstrict' to only
377 handle our local names (or domain name if we are a PDC).
378 Move existing permissive 'sam' method to 'sam_ignoredomain'
379 and make 'samstrict' the new default 'sam' auth method.
380 45) Match Windows NT4/2k behavior when authenticating a user with
381 and unknown domain (default to our domain if we are a DC or
382 domain member; default to our local name if we are a
384 46) Fix Get_Pwnam() to always fall back to lookup 'user' if the
385 'DOMAIN\user' lookup fails. This matches 2.2. behavior.
386 47) Fix the trustdom_cache code to update the list of trusted
387 domains when operating as a domain member and not using
389 48) Remove 'nisplussam' passdb backend since it has suffered for
390 too long without a maintainer.
395 ######################################################################
396 Upgrading from a previous Samba 3.0 beta
397 ########################################
399 Beginning with Samba 3.0.0beta3, the RID allocation functions
400 have been moved into winbindd. Previously these were handled
401 by each passdb backend. This means that winbindd must be running
402 to automatically allocate RIDs for users and/or groups. Otherwise,
403 smbd will use the 2.2 algorithm for generating new RIDs.
405 If you are using 'passdb backend = tdbsam' with a previous Samba
406 3.0 beta release (or possibly alpha), it may be necessary to
407 move the RID_COUNTER entry from /usr/local/samba/private/passdb.tdb
408 to winbindd_idmap.tdb. To do this:
410 1) Ensure that winbindd_idmap.tdb exists (launch winbindd at least
412 2) build tdbtool by executing 'make tdbtool' in the source/tdb/
414 3) run: (note that 'tdb>' is the tool's prompt for input)
416 root# ./tdbtool /usr/local/samba/private/passdb.tdb
417 tdb> show RID_COUNTER
421 [000] 0A 52 00 00 .R.
423 tdb> move RID_COUNTER /usr/local/samba/var/locks/winbindd_idmap.tdb
427 If you are using 'passdb backend = ldapsam', it will be necessary to
428 store idmap entries in the LDAP directory as well (i.e. idmap backend
429 = ldap). Refer to the 'net idmap' command for more information on
430 migrating SID<->UNIX id mappings from one backend to another.
432 If the RID_COUNTER record does not exist, then these instructions are
433 unneccessary and the new RID_COUNTER record will be correctly generated
438 ########################
439 Upgrading from Samba 2.2
440 ########################
442 This section is provided to help administrators understand the details
443 involved with upgrading a Samba 2.2 server to Samba 3.0.
449 Many of the options to the GNU autoconf script have been modified
450 in the 3.0 release. The most noticeable are:
452 * removal of --with-tdbsam (is now included by default; see section
453 on passdb backends and authentication for more details)
455 * --with-ldapsam is now on used to provided backward compatible
456 parameters for LDAP enabled Samba 2.2 servers. Refer to the passdb
457 backend and authentication section for more details
459 * inclusion of non-standard passdb modules may be enabled using
460 --with-expsam. This includes an XML backend and a mysql backend.
462 * removal of --with-msdfs (is now enabled by default)
464 * removal of --with-ssl (no longer supported)
466 * --with-utmp now defaults to 'yes' on supported systems
468 * --with-sendfile-support is now enabled by default on supported
475 This section contains a brief listing of changes to smb.conf options
476 in the 3.0.0 release. Please refer to the smb.conf(5) man page for
477 complete descriptions of new or modified parameters.
479 Removed Parameters (order alphabetically):
482 * alternate permissions
485 * code page directory
489 * force unknown acl user
493 * printer driver file
494 * printer driver location
501 New Parameters (new parameters have been grouped by function):
505 * abort shutdown script
508 User and Group Account Management
509 ---------------------------------
512 * add user to group script
513 * algorithmic rid base
514 * delete group script
515 * delete user from group script
517 * set primary group script
533 * paranoid server security
543 * hide unwriteable files
545 * kernel change notify
555 * max reported print jobs
557 UNICODE and Character Sets
558 --------------------------
564 SID to uid/gid Mappings
565 -----------------------
569 * winbind enable local accounts
570 * winbind trusted domains only
571 * template primary group
572 * enable rid algorithm
579 * ldap machine suffix
583 General Configuration
584 ---------------------
588 Modified Parameters (changes in behavior):
590 * encrypt passwords (enabled by default)
591 * mangling method (set to 'hash2' by default)
594 * restrict anonymous (integer value)
595 * security (new 'ads' value)
596 * strict locking (enabled by default)
597 * unix extensions (enabled by default)
598 * winbind cache time (increased to 5 minutes)
599 * winbind uid (deprecated in favor of 'idmap uid')
600 * winbind gid (deprecated in favor of 'idmap gid')
606 This section contains brief descriptions of any new databases
607 introduced in Samba 3.0. Please remember to backup your existing
608 ${lock directory}/*tdb before upgrading to Samba 3.0. Samba will
609 upgrade databases as they are opened (if necessary), but downgrading
610 from 3.0 to 2.2 is an unsupported path.
612 Name Description Backup?
613 ---- ----------- -------
614 account_policy User policy settings yes
615 gencache Generic caching db no
616 group_mapping Mapping table from Windows yes
617 groups/SID to unix groups
618 winbindd_idmap ID map table from SIDS to UNIX yes
620 namecache Name resolution cache entries no
621 netsamlogon_cache Cache of NET_USER_INFO_3 structure no
622 returned as part of a successful
623 net_sam_logon request
624 printing/*.tdb Cached output from 'lpq no
625 command' created on a per print
627 registry Read-only samba registry skeleton no
628 that provides support for exporting
629 various db tables via the winreg RPCs
635 The following issues are known changes in behavior between Samba 2.2 and
636 Samba 3.0 that may affect certain installations of Samba.
638 1) When operating as a member of a Windows domain, Samba 2.2 would
639 map any users authenticated by the remote DC to the 'guest account'
640 if a uid could not be obtained via the getpwnam() call. Samba 3.0
641 rejects the connection as NT_STATUS_LOGON_FAILURE. There is no
642 current work around to re-establish the 2.2 behavior.
644 2) When adding machines to a Samba 2.2 controlled domain, the
645 'add user script' was used to create the UNIX identity of the
646 machine trust account. Samba 3.0 introduces a new 'add machine
647 script' that must be specified for this purpose. Samba 3.0 will
648 not fall back to using the 'add user script' in the absence of
649 an 'add machine script'
652 ######################################################################
653 Passdb Backends and Authentication
654 ##################################
656 There have been a few new changes that Samba administrators should be
657 aware of when moving to Samba 3.0.
659 1) encrypted passwords have been enabled by default in order to
660 inter-operate better with out-of-the-box Windows client
661 installations. This does mean that either (a) a samba account
662 must be created for each user, or (b) 'encrypt passwords = no'
663 must be explicitly defined in smb.conf.
665 2) Inclusion of new 'security = ads' option for integration
666 with an Active Directory domain using the native Windows
667 Kerberos 5 and LDAP protocols.
669 MIT kerberos 1.3.1 supports the ARCFOUR-HMAC-MD5 encryption
670 type which is neccessary for servers on which the
671 administrator password has not been changed, or kerberos-enabled
672 SMB connections to servers that require Kerberos SMB signing.
673 Besides this one difference, either MIT or Heimdal Kerberos
674 distributions are usable by Samba 3.0.
677 Samba 3.0 also includes the possibility of setting up chains
678 of authentication methods (auth methods) and account storage
679 backends (passdb backend). Please refer to the smb.conf(5)
680 man page for details. While both parameters assume sane default
681 values, it is likely that you will need to understand what the
682 values actually mean in order to ensure Samba operates correctly.
684 The recommended passdb backends at this time are
686 * smbpasswd - 2.2 compatible flat file format
687 * tdbsam - attribute rich database intended as an smbpasswd
688 replacement for stand alone servers
689 * ldapsam - attribute rich account storage and retrieval
690 backend utilizing an LDAP directory.
691 * ldapsam_compat - a 2.2 backward compatible LDAP account
694 Certain functions of the smbpasswd(8) tool have been split between the
695 new smbpasswd(8) utility, the net(8) tool, and the new pdbedit(8)
696 utility. See the respective man pages for details.
699 ######################################################################
703 This section outlines the new features affecting Samba / LDAP
709 A new object class (sambaSamAccount) has been introduced to replace
710 the old sambaAccount. This change aids us in the renaming of attributes
711 to prevent clashes with attributes from other vendors. There is a
712 conversion script (examples/LDAP/convertSambaAccount) to modify and LDIF
713 file to the new schema.
717 $ ldapsearch .... -b "ou=people,dc=..." > old.ldif
718 $ convertSambaAccount <DOM SID> old.ldif new.ldif
720 The <DOM SID> can be obtained by running 'net getlocalsid <DOMAINNAME>'
721 on the Samba PDC as root.
723 The old sambaAccount schema may still be used by specifying the
724 "ldapsam_compat" passdb backend. However, the sambaAccount and
725 associated attributes have been moved to the historical section of
726 the schema file and must be uncommented before use if needed.
727 The 2.2 object class declaration for a sambaAccount has not changed
728 in the 3.0 samba.schema file.
730 Other new object classes and their uses include:
732 * sambaDomain - domain information used to allocate rids
733 for users and groups as necessary. The attributes are added
734 in 'ldap suffix' directory entry automatically if
735 an idmap uid/gid range has been set and the 'ldapsam'
736 passdb backend has been selected.
738 * sambaGroupMapping - an object representing the
739 relationship between a posixGroup and a Windows
740 group/SID. These entries are stored in the 'ldap
741 group suffix' and managed by the 'net groupmap' command.
743 * sambaUnixIdPool - created in the 'ldap idmap suffix' entry
744 automatically and contains the next available 'idmap uid' and
747 * sambaIdmapEntry - object storing a mapping between a
748 SID and a UNIX uid/gid. These objects are created by the
749 idmap_ldap module as needed.
751 * sambaSidEntry - object representing a SID alone, as a Structural
752 class on which to build the sambaIdmapEntry.
755 New Suffix for Searching
756 ------------------------
758 The following new smb.conf parameters have been added to aid in directing
759 certain LDAP queries when 'passdb backend = ldapsam://...' has been
762 * ldap suffix - used to search for user and computer accounts
763 * ldap user suffix - used to store user accounts
764 * ldap machine suffix - used to store machine trust accounts
765 * ldap group suffix - location of posixGroup/sambaGroupMapping entries
766 * ldap idmap suffix - location of sambaIdmapEntry objects
768 If an 'ldap suffix' is defined, it will be appended to all of the
769 remaining sub-suffix parameters. In this case, the order of the suffix
770 listings in smb.conf is important. Always place the 'ldap suffix' first
773 Due to a limitation in Samba's smb.conf parsing, you should not surround
774 the DN's with quotation marks.
780 Samba 3.0 supports an ldap backend for the idmap subsystem. The
781 following options would inform Samba that the idmap table should be
782 stored on the directory server onterose in the "ou=idmap,dc=plainjoe,
787 idmap backend = ldap:ldap://onterose/
788 ldap idmap suffix = ou=idmap,dc=plainjoe,dc=org
789 idmap uid = 40000-50000
790 idmap gid = 40000-50000
792 This configuration allows winbind installations on multiple servers to
793 share a uid/gid number space, thus avoiding the interoperability problems
794 with NFS that were present in Samba 2.2.
798 ######################################################################
799 Trust Relationships and a Samba Domain
800 ######################################
802 Samba 3.0.0beta2 is able to utilize winbindd as the means of
803 allocating uids and gids to trusted users and groups. More
804 information regarding Samba's support for establishing trust
805 relationships can be found in the Samba-HOWTO-Collection included
806 in the docs/ directory of this release.
808 First create your Samba PDC and ensure that everything is
809 working correctly before moving on the trusts.
811 To establish Samba as the trusting domain (named SAMBA) from a Windows NT
812 4.0 domain named WINDOWS:
814 1) create the trust account for SAMBA in "User Manager for Domains"
815 2) connect the trust from the Samba domain using
816 'net rpc trustdom establish GLASS'
818 To create a trustlationship with SAMBA as the trusted domain:
820 1) create the initial trust account for GLASS using
821 'smbpasswd -a -i GLASS'. You may need to create a UNIX
822 account for GLASS$ prior to this step (depending on your
823 local configuration).
824 2) connect the trust from a WINDOWS DC using "User Manager
827 Now join winbindd on the Samba PDC to the SAMBA domain using
828 the normal steps for adding a Samba server to an NT4 domain:
829 (note that smbd & nmbd must be running at this point)
831 root# net rpc join -U root
832 Password: <enter root password from smbpasswd file here>
834 Start winbindd and test the join with 'wbinfo -t'.
836 Now test the trust relationship by connecting to the SAMBA DC
837 (e.g. POGO) as a user from the WINDOWS domain:
839 $ smbclient //pogo/netlogon -U Administrator -W WINDOWS
842 Now connect to the WINDOWS DC (e.g. CRYSTAL) as a Samba user:
844 $ smbclient //crystal/netlogon -U root -W WINDOWS
847 ######################################################################
851 Beginning with Samba3.0.0beta3, winbindd has been given new account
852 manage functionality equivalent to the 'add user script' family of
853 smb.conf parameters. The idmap design has also been changed to
854 centralize control of foreign SID lookups and matching to UNIX
858 Brief Description of Changes
859 ----------------------------
861 1) The sid_to_uid() family of functions (smbd/uid.c) have been
862 reverted to the 2.2.x design. This means that when resolving a
863 SID to a UID or similar mapping:
865 a) First consult winbindd
866 b) perform a local lookup only if winbindd fails to
867 return a successful answer
869 There are some variations to this, but these two rules generally
872 2) All idmap lookups have been moved into winbindd. This means that
873 a server must run winbindd (and support NSS) in order to achieve
874 any mappings of SID to dynamically allocated UNIX ids. This was
875 a conscious design choice.
877 3) New functions have been added to winbindd to emulate the 'add user
878 script' family of smbd functions without requiring that external
879 scripts be defined. This functionality is controlled by the 'winbind
880 enable local accounts' smb.conf parameter (enabled by default).
882 However, this account management functionality is only supported
883 in a local tdb (winbindd_idmap.tdb). If these new UNIX accounts
884 must be shared among multiple Samba servers (such as a PDC and BDCs),
885 it will be necessary to define your own 'add user script', et. al.
886 programs that place the accounts/groups in some form of directory
887 such as NIS or LDAP. This requirement was deemed beyond the scope
888 of winbind's account management functions. Solutions for
889 distributing UNIX system information have been deployed and tested
890 for many years. We saw no need to reinvent the wheel.
892 4) A member of a Samba controlled domain running winbindd is now able
893 to map domain users directly onto existing UNIX accounts while still
894 automatically creating accounts for trusted users and groups. This
895 behavior is controlled by the 'winbind trusted domains only' smb.conf
896 parameter (disabled by default to provide 2.2.x winbind behavior).
898 5) Group mapping support is wrapped in the local_XX_to_XX() functions
899 in smbd/uid.c. The reason that group mappings are not included
900 in winbindd is because the purpose of Samba's group map is to
901 match any Windows SID with an existing UNIX group. These UNIX
902 groups can be created by winbindd (see next section), but the
903 SID<->gid mapping is retreived by smbd, not winbindd.
909 * security = server running winbindd to allocate accounts on demand
911 * Samba PDC running winbindd to handle the automatic creation of UNIX
912 identities for machine trust accounts
914 * Automtically creating UNIX user and groups when migrating a Windows NT
915 4.0 PDC to a Samba PDC. Winbindd must be running when executing
916 'net rpc vampire' for this to work.
919 ######################################################################
923 * The smbldap perl scripts for managing user entries in an LDAP
924 directory have not be updated to function with the Samba 3.0
925 schema changes. This (or an equivalent solution) work is planned
926 to be completed prior to the stable 3.0.0 release.
928 Please refer to https://bugzilla.samba.org/ for a current list of bugs
929 filed against the Samba 3.0 codebase.
932 ######################################################################
933 Reporting bugs & Development Discussion
934 #######################################
936 Please discuss this release on the samba-technical mailing list or by
937 joining the #samba-technical IRC channel on irc.freenode.net.
939 If you do report problems then please try to send high quality
940 feedback. If you don't provide vital information to help us track down
941 the problem then you will probably be ignored.
943 A new bugzilla installation has been established to help support the
944 Samba 3.0 community of users. This server, located at
945 https://bugzilla.samba.org/, will replace the existing jitterbug server
946 and the old http://bugs.samba.org now points to the new bugzilla server.