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Thanks to Glenn Curtis and Kyle Stemen @ Likewise. Their explanation is:
In winbindd_dual.c, there is a list of children processes that
is maintained using macros DTLIST_ADD and DTLIST_REMOVE. In the
case when a scheduled_async_request fails, the particular child
was located in the list, and its attributes were cleared out
and it was reused for a subsequent async request. The bug was that
the new request would queue the same node into the doubly-linked
list and would result in list->next pointing to the same node as
list itself. This would set up an infinite loop in the processing of
the for loop when the list of children was referenced.
Solution was to fully remove the child node from the list, such that
it could be inserted without risk of being inserted twice.
Note that the child is re-added to the list in fork_domain_child() again.
(This used to be commit b379b5b5d8)
We now open messages.tdb even before we do the become_daemon. become_daemon()
involves a fork and an immediate exit of the parent, thus the
parent_is_longlived argument must be set to false in this case. The parent is
not really long lived :-)
(This used to be commit 4f4781c6d1)
This reduces indentation by combining common code paths,
and wraps long lines.
Holger: sorry, I could not resist. I think it is much easier to
understand what is going on when we only have one check and
determine the max allowed key length in advance.
Michael
(This used to be commit e489f3d988)
UA keys consist of a potientally large number of concatenated SID strings which
can grow much larger than 1024 bytes in complex environments. We catch those keys
and allow them exclusivly to be larger.
(This used to be commit fcd35232e1)
In getgrsid_lookupsid_recv() we use parse_domain_user which itself looks at
lp_winbind_separator(). Thus when building up that group name we should better
use it as well.
(This used to be commit 5df75578ef)
originally, the cache was cleared before calling validate, but
this way, we skipt the validation of the database when not in
offline logon mode.
This is put into a new wrapper function winbindd_cache_validate_and_initialize()
which is now called in winbindd.c instead calling validate and
initialize functions separately.
Michael
(This used to be commit 641b5e3fec)
My NT4SP6 which my DC here trusts sends 0x15 instead of 0x13, from looking at
the sniff at least the DC name is at the same place.
(This used to be commit 79bc6796b8)
In order to avoid receiving NT_STATUS_DOWNGRADE_DETECTED from a w2k8
netr_ServerAuthenticate2 reply, we need to start with the AD netlogon negotiate
flags everywhere (not only when running in security=ads). Only for NT4 we need
to do a downgrade to the returned negotiate flags.
Tested with w2k8, w2ksp4, w2k3r2 and nt4sp6.
Guenther
(This used to be commit 0970369ca0)
* added several helper functions to convert the trust_flags field in the
winbindd_tdc_domain to more useful administrator ideas of trust type, trust
direction, and trust transitivity.
* converted winbindd_list_trusted_domains() to enumerate the trusted domain
cache, instead of the domain list, and return additional trust information to
the calling process
* modified wbinfo to pretty print this additional trust information when a new
--verbose switch is given with -m. Thus "wbinfo -m" and "wbinfo -all-domains"
output as before, but "wbinfo --verbose -m" prints extra trust info.
* updated some comments and fixed typos
(This used to be commit e7827bb6af)
* changed the behavior of winbind_ads.c:trusted_domains() to not overwrite
existing trust information if we're joined to a child domain, and querying the
forest root domain. Previously if we were joined to a child domain, we'd
request all known trust information from this child domain (our primary domain)
and store it in the tdc. We'd then request all trust information from our tree
root (to get the forests we transitively trust) and overwrite the existing trust
information we already had from the perspective of the tree root.
* updated several comments and fixed typos
(This used to be commit 6aac972d79)
When we get a NT_STATUS_WRONG_PASSWORD for example, my_info3 is not initialized
at all. So first check that we have NT_STATUS_IS_OK(status) before we
dereference my_info3.
(This used to be commit 559cd9e5a7)
Another preparation to convert secrets.c to dbwrap: The dbwrap API does not
provide a sane tdb_lock_with_timeout abstraction. In the clustered case the DC
mutex is needed per-node anyway, so it is perfectly fine to use a local mutex
only.
(This used to be commit f94a63cd8f)
This patch make sure we do not try to contact smbd in the main dameon
to avoid deadlocks.
All the operations that require connecting to smbd are performed in
the domain child anyway.
(This used to be commit 9347d34b50)
Use the flags stored in the tdb when determining if a domain can
be contacted. The tdb should be considered authoratative anyways unless
you know the flags in the winbindd_domain are correct (such as when
first enumerating trusts).
Original suggestion and patch from Steven Danneman <steven.danneman@isilon.com>.
Manually rewritten by me for 3.2.
(This used to be commit f53658a20d)
On a DC, we always use the domain name given. On a domain member,
we use lp_workgroup(). This fixes a bug supporting trusted domains.
(This used to be commit 8b063a4141)
The check for inbound trusts is invalid when samba is a DC
and has a trust with an active directory domain.
This effectively prevented tusts with an AD domain on a
samba DC from working (unless using "winbindd rpc only"),
because an ads_connect() was never performed. Only the
rpc-based winbindd methods were working properly.
Jerry: Please check!
Michael
(This used to be commit dcd42a1e06)
The present assignment
"request->data.init_conn.is_primary = domain->internal ? False : True"
simply feels wrong. This seems to be the thing right to do:
"request->data.init_conn.is_primary = domain->primary ? true : false".
The question is: Does this have any purpose at all?
data.init_conn.is_primary seems to be used nowhere
in the whole code at all.
Is it (still) needed?
Michael
(This used to be commit 8bb21b8b38)
This uses 2 tdb files. One is permanent, and is in shared storage
on the cluster (using "tdb:idmap2.tdb =" in smb.conf). The other is a
temporary cache tdb on local storage.
Signed-off-by: Alexander Bokovoy <ab@samba.org>(This used to be commit b6df7e7709)
If we try to flush the caches and due to a corrupted tdb we and have no tdb
context close the tdb and validate it. Initialize the cache afterwards again.
(This used to be commit d0c0f91fb9)
Also *do not* clear the trust list when rescanning or else it is possible
to suffer from a race condition where no trusted domains can be found.
(This used to be commit e7164a252b)
A user logging in via GDM was not getting a complete list of supplementary
groups in his/her token. This is because getgroup() was not able to
find the winbindd_domain* using the DNS name. Fallback to matching the DNS
name is the short name match failes.
(This used to be commit 2030a8de19)
This allows us to deal with child domains in transitive forest trusts.
It also allows us to fill in the forest name to the target domain to the
struct winbindd_domain *.
(This used to be commit ed30516bb0)
This essentially re-establishes r14496 (2155bb0535)
which was undone in r17723 (43bd8c00ab) for
reasons that are unclear to me. Maybe I am being too naive.
Now we do again only retrieve the password policy when called from
the pam_winbind module. This fixes logons delegated to AD trusted
domain controllers: We need to connect to the sam to retrieve the
password policy. But auhtenticated session setup is not possible
when contacting the trusted domain dc and afterwards, SamrConnect
also fails with whatever credentials and method used.
Michael
(This used to be commit 6d765e0de5)
Don't fall back to schannel when trust creds could be obtained.
This is still not complete, but I am getting closer.
Michael
(This used to be commit 7c9fa597d6)
Make a copy of the machine_password and machine_account strings
in all conditional paths so that SAFE_FREE() will always be valid.
(This used to be commit 194c4640b1)
Even if the session setup was anonymous, try and collect
trust creds with get_trust_creds() and use these before
falling back to schannel.
This is the first attempt to fix interdomain trusts.
(get password policy and stuff)
Michael
(This used to be commit e180bbd454)
Do not attempt to do a session setup when in a trusted domain
situation (this gives STATUS_NOLOGON_TRUSTED_DOMAIN_ACCOUNT).
Use get_trust_pw_clear to get machine trust account.
Only call this when the results is really used.
Use the proper domain and account name for session setup.
Michael
(This used to be commit 18c66a364e)
Up to now each caller used its own logic.
This eliminates code paths where there was a special treatment
of the following situation: the domain given is not our workgroup
(i.e. our own domain) and we are not a DC (i.e. it is not a typical
trusted domain situation). In situation the given domain name was
previously used as the machine account name, resulting in an account
name of DOMAIN\\DOMAIN$, which does not seem very reasonable to me.
get_trust_pw would not have obtained a password in this situation
anyways.
I hope I have not missed an important point here!
Michael
(This used to be commit 6ced4a7f88)
Also the design of this function was really bad,
instead do the dump into a file, the client should get
back the list of mappings.
metze
(This used to be commit ce7fe8acf4)
The number of domains should be counted as they are added and not assumed
to match the loop counter.
manually cherry-picked 8ad2826c48
(This used to be commit 99b75cada2)
one horror (pstring_clean_name()) which will have to
remain until I've removed all pstrings from the client code.
Jeremy.
(This used to be commit 1ea3ac8014)
Each cli struct has it's own local copy of this variable,
so use that in client code. In the smbd server, add one
static to smbd/proccess.c and use that inside smbd. Fix
a bunch of places where smb_rw_error could be set by
calling read_data() in places where we weren't reading
from the SMB client socket (ie. winbindd).
Jeremy.
(This used to be commit 255c2adf7b)
The point is doing the following associations:
- non discardable state data (all TDB files that may need to be backed
up) go to statedir
- shared data (codepage stuff) go to codepagedir
The patch *does not change* the default location for these
directories. So, there is no behaviour change when applying it.
The main change is for samba developers who have to think when dealing
with files that previously pertained to libdir whether they:
- go in statedir
- go in codepagedir
- stay in libdir
(This used to be commit d6cdbfd875)
Hi!
Can you check and push them?
Thanks,
Volker
From b488af5905e2dee12a1a72a3b40801ae5c26f24f Mon Sep 17 00:00:00 2001
From: Volker Lendecke <vl@sernet.de>
Date: Sat, 27 Oct 2007 14:20:09 +0200
Subject: [PATCH] Fix some warnings and errors
(This used to be commit e17d3e10e8)
to struct sockaddr_storage in most places that matter (ie.
not the nmbd and NetBIOS lookups). This passes make test
on an IPv4 box, but I'll have to do more work/testing on
IPv6 enabled boxes. This should now give us a framework
for testing and finishing the IPv6 migration. It's at
the state where someone with a working IPv6 setup should
(theorecically) be able to type :
smbclient //ipv6-address/share
and have it work.
Jeremy.
(This used to be commit 98e154c312)
the final goal is to have 3 child dispatch tables
'domain', 'idmap' and 'locator' instead of one.
metze
(cherry picked from commit 97c63f1b95)
(This used to be commit a1c354866c)
jra: POPT_ARG_VAL arguments need int values.
I assume there're more places like this
in the cmdline tools.
Please fix this properly, as my commit is just
a hack to get make test working again.
in samba4 we have a workaround for this see
smbd/server.c
metze
(This used to be commit 9cb1937fe8)
bugs in various places whilst doing this (places that assumed
BOOL == int). I also need to fix the Samba4 pidl generation
(next checkin).
Jeremy.
(This used to be commit f35a266b3c)
IPv6 in winbindd, but moves most of the socket functions that were
wrongly in lib/util.c into lib/util_sock.c and provides generic
IPv4/6 independent versions of most things. Still lots of work
to do, but now I can see how I'll fix the access check code.
Nasty part that remains is the name resolution code which is
used to returning arrays of in_addr structs.
Jeremy.
(This used to be commit 3f6bd0e1ec)
The translate_name() used by cli_session_setup_spnego() cann rely
Winbindd since it is needed by the join process (and hence before
Winbind can be run).
(This used to be commit 00a93ed336)
the maxeln parameter instead of sizeof(target_area) - 1 (or even
sizeof(fstring) - 1 in some places.
I hope these were really all there were.
Michael
(This used to be commit 9a28be220d)
when called for it's own domain. So we should use netlogon_getdcname() which
returns WERR_OK:-)
gd: feel free to usage rpccli_netlogon_dsr_getdcname(), but please make sure
the new WINBIND-STRUCT-GETDCNAME test is still passing.
metze
(This used to be commit 9a9c164366)
called with -1 (these calls were wrong anyway, target
was an fstring, not a pstring). Found by Michael Adam <ma@sernet.de>,
now to check all other uses.
Michael - this version uses sizeof(target) not sizeof(fstring).
This way is more future proof.
Jeremy.
(This used to be commit 9ed3046633)
Now BUILTIN is always the first domain followed
by the domain of our own SAM DB and the primary
domain (in member server mode).
metze
(This used to be commit b8d67b78aa)
and remove the old rpccli_lsa_lookup_sids() function. The old function would
fail due to server limits when requesting to resolve too many sids at once
(20480 for W2k3). The new version passes the list of sids in hunks to the
server. It has up to now been used (and tested) in the winbindd_ads
lookup_groupmem() function, and I think the time has come to replace the actual
function with this correct version.
Michael
(This used to be commit 1194d4f36e)
