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WHAT'S NEW IN Samba 2.2.4 - 2nd May 2002
=========================================
This is the latest stable release of Samba. This is the version that all
production Samba servers should be running for all current bug-fixes.
There have been several fixes and internal enhancements which include:
* More/better SPOOLSS printing functionality for Windows
NT/2k/XP clients.
* Several fixes relating to serving PC database files such
as (Access and FoxPro) from a Samba file share.
* Several improves in Samba's VFS layer which can be seen
in the inclusion of a "Recycle Bin" vfs module. See
examples/VFS/README for more details on this.
* Addition of a tool (tdbbackup) for backup/restore of Samba's
tdb's
* Continued improvements to winbind for greater scalability
and stability
* Several fixes related to Samba's MS-DFS support
* Rpcclient's various printer commands now work (again)
New/Changed parameters in 2.2.4
--------------------------------
For more information on these parameters, see the man pages for
smb.conf(5).
Added/changed parameters
------------------------
* csc policy
* inherit acls
* nt status support
* lock spin count
* lock spin time
* pid directory
* winbind use default domain
Depreciated parameters
----------------------
The following parameters have been marked as depreciated
and will be removed in Samba 3.0
* postscript
* printer driver
* printer driver file
* printer driver location
Removed Parameters
------------------
none
Changes in 2.2.4
----------------
See the cvs log for SAMBA_2_2 for more details
1) added -c option to smbpasswd
2) reworked smbpasswd internal command line option parsing
3) small various bug fixes to experimental pdb_tdb.c
4) Enforce spoolss RPCs based on the access granted at PrinterOpen()
5) Added missing access checks to [add/delete/set]form
6) Compile fixes for pam_smbpass
7) fix smbd crash when netbios session request fails from
spoolss_connect_to_client().
8) fixed logic bug that prevent SetPrinter() from storing devmode
9) Removed extra get_printer_snum() calls from set_printer_hnd_name()
10) fix joining domain on big endian machine when using -U to smbpasswd
11) allow command line arg to override smb.conf log level
12) continue to retry to register 1b name with wins server if there is an old IP there
13) fix smbclient print crash bug
14) 9x pnp fix when the config file and driver file are different
15) force testparm to print the correct value for log level
16) fix swat to show full log level info
17) fix server GetPrinterData() fields to be more sensible
18) fix logic error in SetPrinterDataEx()
19) Only set smb_read_error if not already set
20) Fix string returns that require unicode
21) Merge of printing performance fixes from appliance
22) lpq parsing fixes
23) Back port tridge's xcopy /o fix from HEAD
24) Fix the printer change notify code (unfinished)
25) Patch for Domain users not showing up
26) Fixed SetPrinterData(magic key) to support zero length DEVMODE
27) Ensure that all methods of looking up and connecting to DC's work
using identical logic.
28) Merge in the mutex code to stop multiple domain logon failure
29) Ignore 0/0 lock
30) Fix winbindd to respect command line debuglevel as nmbd/smbd
31) Update with tdbbackup from HEAD
32) Fix for typo on solaris nss
33) Merge in the locking changes from HEAD
34) Added POSIX ACL layer into the vfs
35) Fix the returning of domain enum
36) Fix the generation of the MACHINE.SID file into the secrets.tdb.
37) Enable test for -rdynamic when building binaries
38) Remove the "stat open" code - make it inline
39) Fix the mp3 rename bug
40) Fix for Explorer DFS problems on older Windows 9X machines
41) implement OpenPrinter() opnum == 0x01
42) Matched W2K *insane* open semantics....
43) small fix that will prevent the "failed to marshall
R_NET_SAMLOGON" message in the logs
42) don't do checking of local passdb in smbpasswd if using -r option
43) fix "smbpasswd -j DOMAIN -r * -U Admin%XXXX" so that it doesn't
try to connect to a server named '*'
44) merge rpcclient code from HEAD
45) Ensure MACHINE.SID update done before child spawns
46) Fix the bad path errors for mkdir so mkdir \a\b\c\d works
47) Removed --with-vfs - always built if available
48) Fixed psec for 2.2
49) Fixed the handle leak in the connection management code
50) fix disable spoolss after the switch to nt status codes
51) Added Shirish's client side caching policy change
52) Honor the specversion when parsing the the DEVICEMODE
53) fix parsing bug when DEVICEMODE's private data does not end
on a 4 byte boundary
54) do not idle an smbd when there is an open pipe
55) when a new driver is added to a Samba server, cycle through
all printers and bump the change_id for each one bound to the driver
56) allow smbclient to work with a FIFO as well (needed for KDE
ioslave)
57) various updates to pdb_nisplus.c
58) many small documentation updates
59) removed many compiler warnings
Known Bugs
----------
* Under certain conditions when serving the MS Access 2000
executable file and an Access database from a Samba share,
it is possible to experience data corruption. This pug does
does occur when the database is served from a Samba file share
but the Access *.exe is stored on the client's local file system.
The exact reason for this bug is unknown at this time.
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Change from 2.2.3
-----------------
This is a minor bugfix release for the 2.2.3 release. The 2.2.3
release had a problem that was visible to Windows 2000 Explorer
users in that copying files into a share that already existed
failed with "Access Denied" rather than asking the user if an
overwrite was required. This was due to an incorrect error mapping
between the UNIX EEXIST error code and the NT status error.
As Windows Explorer is a highly visible end user application a quick
bugfix release was required, hence 2.2.3a.
Compilation on HPUX versions earlier than HPUX 11 has also been
corrected.
The cvs.log file is no longer included with this release, as it adds
13Mb to the size of the release, and is easily available on the Web.
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Noted by Stoned Elipot <seb@netbsd.org> in private email.
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is not defined, as that is the only time when the smbpasswd file is
consulted. Also don't create a the smbpasswd file from /etc/passwd, as
that generates a lot of bad users, e.g. root, daemon, operator, etc.
Instead, just create an empty smbpasswd file and rely on the admin to add
approved users to the smbpasswd file using "smbpasswd -a".
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(2) Add "piddir" as /var/run and "pidfile dir" and "pidfile directory"
statement for smb.conf.
(3) Some fix for password synchronization but it isn't tested much and
it is almost useless under "encrypt passwords = yes" environment.
Changes for INSTALL and part of Makefile are provided by
"Johnny C. Lam" <jlam@netbsd.org> and (2) and (3) are got
from FreeBSD ports.
Bump revision to 1; samba-2.2.3nb1 now.
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According to Samba 2.2.3 release announcement:
Much work has been done on the LDAP backend code. The configure
option --with-ldapsam is now considered to be stable. The schema
used has changed, see the file examples/LDAP/samba.schema for the
new schema.
New documentation explaining how to set up a Samba only PDC/BDC
setup has been added in the files Samba-LDAP-HOWTO and Samba-BDC-HOWTO
in the documentation tree.
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Changes in 2.2.3
-----------------
1). Fixed shared library compile for Solaris with native compiler.
2). UNIX CIFS extensions code added (donated by HP).
3). Changed to using NT status codes on the wire if the client can support this.
4). altname command to show 8.3 name added to smbclient.
5). const-safe endian macros now used.
6). client code now uses UNICODE on the wire.
7). Correctly return fault PDU's on bad handle.
8). Improved NT error code mapping table.
9). Many new point and print RPC calls added.
10). Win9x clients can now see full user list.
11). fileid added to identify simultaneous open files (no longer
use dev/inode/time as unique value).
12). HPUX ACL code added (donated by HP).
13). vfs interfaces updated (again !).
14). MSDOS Code Page 866 -> 1251 mapping added.
15). winbindd now processes quit/hup signals correctly.
16). No tdb traversal done on startup/shutdown - ensures scalability.
17). Fix bug with paths for homes share.
18). Fixed copyfile for OS/2.
19). Fix group membership when groups are on more than one line.
20). Fixed core dumps in posix ACL mapping code.
21). Tidyup of UNICODE functions (put/get).
22). Move rpcclient to the new libsmb code.
23). Add missing Windows 2000 passthough trans2 calls.
24). Return check all tdb calls.
25). Make local name lookup work even if wins server is down.
26). pam session code added to winbind.
27). Added winbindd cache to all lookups.
28). Fix allocate bugs that caused file sizes to be incorrect.
29). Fixed write cache code - now safe to use.
30). Fixed winbindd memory leaks.
31). winbindd will now do name lookups (to allow non Open Source
systems to do the nsswitch WINS lookup). Fixed by SGI.
32). passdb memory leaks fixed.
33). LDAP code updates and now properly maintained.
34). Finally figured out how changeid is meant to work.
35). Downlevel printing now looks as NT does in print monitor window.
36). Many fixups in spoolss printing RPC parsing.
37). Speed up password enumeration as a PDC.
38). Fix printer changed notify messages (work from HP).
39). Fix modify timestamp on close code.
40). Fix long standing mangled names bug.
41). Fix delete on close semantics.
42). Stop opening all files with O_NONBLOCK !
43). Use O_NOFOLLOW for systems that have it and don't want symlinks.
44). Ensure NT suplementary groups get added to user token.
45). Try and mitigate effects of DNS timeout (do less lookups).
46). Added current user connection context stack.
47). Fixes to utmp code.
48). smbw code tidyups.
49). Added tdb open log code. Several tdb fixes.
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as they might not be there depending on whether INSTALL_RCD_SCRIPTS is set
in /etc/mk.conf when the package is built. Instead, assume that the other
rc.d scripts are in the same place as this "meta" script and locate them
using "dirname $0". Problem noted by Stoned Elipot <seb@netbsd.org> in
private email.
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print/lprng, we make a new variable USE_CUPS that is used by packages to
determine whether depend on print/cups and to compile in support for CUPS.
USE_CUPS may be either "YES" or undefined. Deprecate SAMBA_WITH_CUPS as
its purpose is superseded by USE_CUPS. Convert net/samba and net/samba20
to use USE_CUPS and make x11/kdelibs2 respect USE_CUPS.
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automatically, so no need to do it ourselves.
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1.69, but some were remained.
Fix the problem that some data files are installed into root directory,
noted from Lennart Augustsson <lennart@augustsson.net> private mail.
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This value may be customized in various ways:
PKG_SYSCONFBASE is the main config directory under which all package
configuration files are to be found.
PKG_SYSCONFSUBDIR is the subdirectory of PKG_SYSCONFBASE under which the
configuration files for a particular package may be found.
PKG_SYSCONFDIR.${PKGBASE} overrides the value of ${PKG_SYSCONFDIR} for a
particular package.
Users will typically want to set PKG_SYSCONFBASE to /etc, or accept the
default location of ${PREFIX}/etc.
This obsoletes the use of CONFDIR, which was active for only 6 days, so no
need to have a workaround to still accept old CONFDIR settings.
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the test for pre-rc.d systems to just whether /etc/rc.subr is present.
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Also split the one rc.d script into one for each daemon and one admin
script (idea from Luke Mewburn <lukem@wasabisystems.com>).
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is available at http://www.samba.org/samba/whatsnew/samba-2.2.2.html
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again to Luke Mewburn <lukem@wasabisystems.com> for pointing this out.
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provided by Luke Mewburn <lukem@wasabisystems.com> with modifications by
me to allow running on older NetBSD systems (so any errors in the script
are mine alone).
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"reload" to the rc.d command listing. Noted by Luke Mewburn
<lukem@wasabisystems.com>.
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scripts need for the nmbd and smbd programs to always start in daemom-mode,
which is why the "-D" flag was set via command_args in the scripts
themselves. Any additional options should be passed in through the
{nmbd,smbd}_flags settings in /etc/rc.conf. Add comments to reflect this
in the scripts.
The error reported by the PR author is most likely due to either installing
these scripts with ".sh" extensions, which is not how these are installed
into the ${PREFIX}/etc/rc.d and is definitely wrong, or in directly
sourcing these files from an rc.local script, which is again, definitely
wrong.
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on Solaris' xargs.
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WHATS NEW IN Samba 2.2.1a: 11th July 2001
==========================================
This is the latest stable release of Samba. This is the version that all
production Samba servers should be running for all current bug-fixes.
This is a minor bugfix release for 2.2.1, *NOT* security related.
1). 2.2.1 had a bug where using smbpasswd -m to add a Windows NT or
Windows2000 machine into a Samba hosted PDC would fail due to our
stricter user name checking. We were disallowing user names
containing '$', which is needed when using smbpasswd to add a
machine into a domain. Automatically adding machines (using the
native Windows tools) into a Samba domain worked correctly.
2.2.1a fixes this single problem.
New/Changed parameters in 2.2.1
-------------------------------
Added parameters.
-----------------
obey pam restrictions
When Samba is configured to use PAM, turns on or off Samba checking
the PAM account restrictions. Defaults to off.
pam password change
When Samba is configured to use PAM, turns on or off Samba passing
the password changes to PAM. Defaults to off.
large readwrite
New option to allow new Windows 2000 large file (64k) streaming
read/write options. Needs a 64 bit underlying operating system
(for Linux use kernel 2.4 with glibc 2.2 or above). Can improve performance
by 10% with Windows 2000 clients. Defaults to off. Not as tested
as some other Samba code paths.
hide unreadable
Prevents clients from seeing the existance of files that cannot
be read. Off by default.
enhanced browsing
Turn on/off the enhanced Samba browing functionality (*1B names).
Default is "on". Can prevent eternal machines in workgroups when
WINS servers are not synchronised.
Removed parameters.
-------------------
domain groups
domain admin users
domain guest users
Changes in 2.2.1
-----------------
1). "find" command removed for smbclient. Internal code now used.
2). smbspool updates to retry connections from Michael Sweet.
3). Fix for mapping 8859-15 characters to UNICODE.
4). Changed "security=server" to try with invalid username to prevent
account lockouts.
5). Fixes to allow Windows 2000 SP2 clients to join a Samba PDC.
6). Support for Windows 9x Nexus tools to allow security changes from Win9x.
7). Two locking fixes added. Samba 2.2.1 now passes the Clarion network
lock tester tool for distributed databases.
8). Preliminary support added for Windows 2000 large file read/write SMBs.
9). Changed random number generator in Samba to prevent guess attacks.
10). Fixes for tdb corruption in connections.tdb and file locking brlock.tdb.
smbd's clean the tdb files on startup and shutdown.
11). Fixes for default ACLs on Solaris.
12). Tidyup of password entry caching code.
13). Correct shutdowns added for send fails. Helps tdb cleanup code.
14). Prevent invalid '/' characters in workgroup names.
15). Removed more static arrays in SAMR code.
16). Client code is now UNICODE on the wire.
17). Fix 2 second timstamp resolution everywhere if dos timestamp set to yes.
18). All tdb opens now going through logging function.
19). Add pam password changing and pam restrictions code.
20). Printer driver management improvements (delete driver).
21). Fix difference between NULL security descriptors and empty
security descriptors.
22). Fix SID returns for server roles.
23). Allow Windows 2000 mmc to view and set Samba share security descriptors.
24). Allow smbcontrol to forcibly disconnect a share.
25). tdb fixes for HPUX, OpenBSD and other OS's that don't have a coherent
mmap/file read/write cache.
26). Fix race condition in returning create disposition for file create/open.
27). Fix NT rewriting of security descriptors to their canonical form for
ACLs.
28). Fix for Samba running on top of Linux VFAT ftruncate bug.
29). Swat fixes for being run with xinetd that doesn't set the umask.
30). Fix for slow writes with Win9x Explorer clients. Emulates Microsoft
TCP stack early ack specification error.
31). Changed lock & persistant tdb directory to /var/cache/samba by default on
RedHat and Mandrake as they clear the /var/lock/samba directory on reboot.
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expression for substituting in DEINSTALL/INSTALL scripts. Use "${CMP} -s"
instead of "diff -q" since the former is more portable across OSes.
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WHATS NEW IN Samba 2.2.0a: 23rd June 2001
==========================================
SECURITY FIX
============
This is a security bugfix release for Samba 2.2.0. This release provides the
following two changes *ONLY* from the 2.2.0 release.
1). Fix for the security hole discovered by Michal Zalewski (lcamtuf@bos.bindview.com)
and described in the security advisory below.
2). Fix for the hosts allow/hosts deny parameters not being honoured.
No other changes are being made for this release to ensure a security fix only.
For new functionality (including these security fixes) download Samba 2.2.1
when it is available.
The security advisory follows :
IMPORTANT: Security bugfix for Samba
------------------------------------
June 23rd 2001
Summary
-------
A serious security hole has been discovered in all versions of Samba
that allows an attacker to gain root access on the target machine for
certain types of common Samba configuration.
The immediate fix is to edit your smb.conf configuration file and
remove all occurances of the macro "%m". Replacing occurances of %m
with %I is probably the best solution for most sites.
Details
-------
A remote attacker can use a netbios name containing unix path
characters which will then be substituted into the %m macro wherever
it occurs in smb.conf. This can be used to cause Samba to create a log
file on top of an important system file, which in turn can be used to
compromise security on the server.
The most commonly used configuration option that can be vulnerable to
this attack is the "log file" option. The default value for this
option is VARDIR/log.smbd. If the default is used then Samba is not
vulnerable to this attack.
The security hole occurs when a log file option like the following is
used:
log file = /var/log/samba/%m.log
In that case the attacker can use a locally created symbolic link to
overwrite any file on the system. This requires local access to the
server.
If your Samba configuration has something like the following:
log file = /var/log/samba/%m
Then the attacker could successfully compromise your server remotely
as no symbolic link is required. This type of configuration is very
rare.
The most commonly used log file configuration containing %m is the
distributed in the sample configuration file that comes with Samba:
log file = /var/log/samba/log.%m
in that case your machine is not vulnerable to this attack unless you
happen to have a subdirectory in /var/log/samba/ which starts with the
prefix "log."
Credit
------
Thanks to Michal Zalewski (lcamtuf@bos.bindview.com) for finding this
vulnerability.
New Release
-----------
While we recommend that vulnerable sites immediately change their
smb.conf configuration file to prevent the attack we will also be
making new releases of Samba within the next 24 hours to properly fix
the problem. Please see http://www.samba.org/ for the new releases.
Please report any attacks to the appropriate authority.
The Samba Team
security@samba.org
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entry to prevent finding libncurses and unnecessary patches to configure
script to handle SSL location and probing libcups. Also use FILES_SUBST
instead of repeating a sed script throughout the Makefile.
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adapt by moving CPPFLAGS settings to top-level, and removing explicit
inclusion of CPPFLAGS into MAKE_ENV and CONFIGURE_ENV.
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CXXFLAGS, and LDFLAGS by the buildlink.mk files so remove the extra
definitions to add them from the package Makefiles. As advised by the
bsd.buildlink.mk file, also ensure that the buildlink.mk files are
included prior to defining any package-specific CFLAGS/LDFLAGS to ensure
that the buildlink directories are at the head of the compiler search
paths.
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targets as the buildlink.mk files now add the dependency automatically.
Remove any NO_CONFIGURE definitions as they seem to be useless.
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-I${BUILDLINK}/include through via CPPFLAGS as well as CFLAGS to ensure
that readline/readline.h is found by the configure script. Fixes
pkg/13110 by Jesse Off.
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were previously enlarged by the sequence: lseek, write, munmap, mmap
and are now enlarged by: munmap, lseek, write, mmap.
The Samba team is already aware of the problem. I expect this patch will
be incorporated in a future release.
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SHM_{R,W}. Fix suggest by Klaus Klein. This should fix build on
non-current NetBSD systems and closes PRs 13023 and 13033.
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Use BUILDLINK_INCDIR, BUILDLINK_LIBDIR for locations of linked headers
and libraries. Create a variable BUILDLINK_TARGETS whose value is the
list of build-link targets to execute.
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define them to IPC_{R,W} as they're the right values. Problem discovered
by browsing current-users and port-alpha (why were there no PRs?!).
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GNU readline is required. Clean up how to pass location of OpenSSL headers
to the configure script.
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* Integration between Windows oplocks and NFS file opens (IRIX and Linux
2.4 kernel only). This gives complete data and locking integrity between
Windows and UNIX file access to the same data files.
* Ability to act as an authentication source for Windows 2000 clients as
well as for NT4.x clients.
* Integration with the winbind daemon that provides a single
sign on facility for UNIX servers in Windows 2000/NT4 networks
driven by a Windows 2000/NT4 PDC.
* Support for native Windows 2000/NT4 printing RPCs. This includes
support for automatic printer driver download.
* Support for server supported Access Control Lists (ACLs).
* On PAM (Pluggable Authentication Module) based systems - better debugging
messages and encrypted password users now have access control verified via
PAM - Note: Authentication still uses the encrypted password database.
* Rewritten internal locking semantics for more robustness.
This release supports full 64 bit locking semantics on all
(even 32 bit) platforms. SMB locks are mapped onto POSIX
locks (32 bit or 64 bit) as the underlying system allows.
* Conversion of various internal flat data structures to use
database records for increased performance and
flexibility.
* Support for acting as a MS-DFS (Distributed File System) server.
* Support for manipulating Samba shares using Windows client tools
(server manager). Per share security can be set using these tools
and Samba will obey the access restrictions applied.
* Samba profiling support
* Compile time option for enabling a (Virtual file system) VFS layer
to allow non-disk resources to be exported as Windows filesystems
(such as databases etc.).
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