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> Here's the problem I hit:
>
> getgrnam("foo") -> nscd -> NSS -> winbindd ->
> winbindd_passdb.c:nam_to_sid() -> lookup_global_sam_name() ->
> getgrnam("foo") -> nscd -> ....
>
> This is in the SAMBA_3_0 specifically but in theory could happen
> SAMBA_3_0_25 (or 26) for an unknown group.
>
> The attached patch passes down enough state for the
> name_to_sid() call to be able to determine the originating
> winbindd cmd that came into the parent. So we can avoid
> making more NSS calls if the original call came in trough NSS
> so we don't deadlock ? But you should still service
> lookupname() calls which are needed for example when
> doing the token access checks for a "valid groups" from
> smb.conf.
>
> I've got this in testing now. The problem has shown up with the
> DsProvider on OS X and with nscd on SOlaris and Linux.
(This used to be commit bcc8a3290a)
winbind. With this and W2k3 DCs around it is possible to use
more than one winbind on the same machine account, because
NetSamLogonEx does not use the credentials chain.
I added the flag domain->can_do_samlogon_ex because this
only works against W2k3 and with schannel. The theory is to
try if we're AD and have schannel, and fall back to
NetSamLogon if this fails. can_do_samlogon_ex is thus a
protection against multiple failures.
Only checking into 3_0, this needs more review before going
into a production release.
Feel free to comment :-)
(This used to be commit f5d525399b)
(a) Ignore the negative cache when the domain is offline
(b) don't delete expired entries from the cache as these
can be used when offline (same model as thw wcache entries)
(c) Delay idmap backend initialization when offline
as the backend routines will not be called until we go
online anyways. This prevents idmap_init() from failing
when a backend's init() function fails becuase of lack of
network connectivity
(This used to be commit 4086ef15b3)
(a) Query our primary domain for trusts
(b) Query all tree roots in our forest
(c) Query all forest roots in trusted forests.
This will give us a complete trust topology including
domains via transitive Krb5 trusts. We also store the
trust type, flags, and attributes so we can determine
one-way trusted domains (outgoing only trust path).
Patch for one-way trusts coming in a later check-in.
"wbinfo -m" now lists all domains in the domain_list() as held
by the main winbindd process.
(This used to be commit 9cf6068f1e)
list of trusted domains without requiring each winbindd process
to aquire this on its own. This is needed for various idmap
plugins and for dealing with different trust topoligies.
list_trusted_domain() patches coming next.
(This used to be commit 2da62a3d96)
* Fix getgroups() call called using a normalized name
* Fix some more name mappings that could cause for example
a user to be unable to unlock the screen as the username
would not match in the PAM authenticate call.
(This used to be commit 505fc669a1)
This allows a provider to supply the homedirectory, etc...
attributes for a user without requiring support in core
winbindd code. The idmap_ad.c module has been modified
to provide the idmap 'ad' library as well as the rfc2307 and sfu
"winbind nss info" support.
The SID/id mapping is working in idmap_ad but the nss_info
still has a few quirks that I'm in the process of resolving.
(This used to be commit aaec0115e2)
the child domain cannot always resolve SIDs in sibling domains.
Windows tries to contact a DC in its own domain and then the root
domain in the forest. This async changes makes winbindd's name2sid()
call do the same.
(This used to be commit 7b2bf0e5a6)
a network but not one on which any home DC's can
be found (hotel network problem). Still testing
but this is getting close.
Jeremy.
(This used to be commit 369c9e4138)
* autogenerate lsa ndr code
* rename 'enum SID_NAME_USE' to 'enum lsa_SidType'
* merge a log more security descriptor functions from
gen_ndr/ndr_security.c in SAMBA_4_0
The most embarassing thing is the "#define strlen_m strlen"
We need a real implementation in SAMBA_3_0 which I'll work on
after this code is in.
(This used to be commit 3da9f80c28)
Instead of trying to do this in the winbindd_cache
entries, add a timed even handler to probe every
5 mins when disconnected.
Fix events to run all pending events, rather than
only one.
Jeremy.
(This used to be commit 7bfbe1b4fb)
* \PIPE\unixinfo
* winbindd's {group,alias}membership new functions
* winbindd's lookupsids() functionality
* swat (trunk changes to be reverted as per discussion with Deryck)
(This used to be commit 939c3cb5d7)
homedirectory and the loginshell from Active Directory's "Services for Unix".
Enable it with:
winbind sfu support = yes
User-Accounts without SFU-Unix-Attributes will be assigned template-based
Shells and Homedirs as before.
Note that it doesn't matter which version of Services for Unix you use (2.0,
2.2, 3.0 or 3.5). Samba should detect the correct attributes (msSFULoginShell,
msSFU30LoginShell, etc.) automatically.
If you also want to share the same uid/gid-space as SFU then also use PADL's
ad-idmap-Plugin:
idmap backend = ad
When using the idmap-plugin only those accounts will appear in Name Service
Switch that have those UNIX-attributes which avoids potential uid/gid-space
clashes between SFU-ids and automatically assigned idmap-ids.
Guenther
(This used to be commit 28b5969942)
safe for using our headers and linking with C++ modules. Stops us
from using C++ reserved keywords in our code.
Jeremy
(This used to be commit 9506b8e145)
parent winbind not to return winbindd_result. This is to hopefully fix all the
problems where a result has been scheduled for write twice.
The problematic ones have been the functions that might have been delayed as
well as under other circumstances immediately gets answered from the cache.
Now a request needs to be explicitly replied to with a request_error() or
request_ok().
Volker
(This used to be commit 7365c9accf)
shows that this info is correctly returned to us in to info3 struct, so
check_info3_in_group does not need to be adapted.
Volker
(This used to be commit a84e778caf)
'..' from all #include preprocessor commands. This fixes bugzilla #1880
where OpenVMS gets confused about the '.' characters.
(This used to be commit 7f161702fa)
user/group enumeration on systems whose libc does not call setgrent()
before trying to enumerate users (i.e. FreeBSD 5.2)
(This used to be commit 8106d80972)
domains, this patch ensures that we always use the ADS backend when
security=ADS, and the remote server is capable.
The routines used for this behaviour have been upgraded to modern Samba
codeing standards.
This is a change in behaviour for mixed mode domains, and if the trusted
domain cannot be reached with our current krb5.conf file, we will show
that domain as disconnected.
This is in line with existing behaviour for native mode domains, and for
our primary domain.
As a consequence of testing this patch, I found that our kerberos error
handling was well below par - we would often throw away useful error
values. These changes move more routines to ADS_STATUS to return
kerberos errors.
Also found when valgrinding the setup, fix a few memory leaks.
While sniffing the resultant connections, I noticed we would query our
list of trusted domains twice - so I have reworked some of the code to
avoid that.
Andrew Bartlett
(This used to be commit 7c34de8096)
rpc_parse/parse_lsa.c:
nsswitch/winbindd_rpc.c:
nsswitch/winbindd.h:
- Add const
libads/ads_ldap.c:
- Cleanup function for use
nsswitch/winbindd_ads.c:
- Use new utility function ads_sid_to_dn
- Don't search for 'dn=', rather call the ads_search_retry_dn()
nsswitch/winbindd_ads.c:
include/rpc_ds.h:
rpc_client/cli_ds.c:
- Fixup braindamage in cli_ds_enum_domain_trusts():
- This function was returning a UNISTR2 up to the caller, and
was doing nasty (invalid, per valgrind) things with memcpy()
- Create a new structure that represents this informaiton in a useful way
and use talloc.
Andrew Bartlett
(This used to be commit 06c3f15aa1)
This replaces the universal group caching code (was originally
based on that code). Only applies to the the RPC code.
One comment: domain local groups don't show up in 'getent group'
that's easy to fix.
Code has been tested against 2k domain but doesn't change anything
with respect to NT4 domains.
netsamlogon caching works pretty much like the universal group
caching code did but has had much more testing and puts winbind
mostly back in sync between branches.
(This used to be commit aac01dc7bc)
have a primary ADS domain and a secondary (trusted) NT4 domain. This
caused winbindd to be *really* slow for that setup.
- fixed winbindd_getgrgid(), which was calling uid_to_sid instead of
gid_to_sid(). When you make changes to winbind *PLEASE* test using
nsstest.
(This used to be commit cdd9b60a07)
This includes the 'SIDs Rule' patch, mimir's trusted domains cacheing code,
the winbind_idmap abstraction (not idmap proper, but the stuff that held up
the winbind LDAP backend in HEAD).
Andrew Bartlett
(This used to be commit d4d5e6c2ee)
- fix winbindd_pam bugs
- give a better error message for unauthorized access to auth_crap
- show this message in wbinfo
- fix spelling: privilaged -> privileged
** This changes the location of the winbindd privileged pipe **
(thanks to tpot)
Andrew Bartlett
(This used to be commit 92c2a33483)
