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Don't need to panic, we can do explicit checks in these few callers
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Martin Schwenke <martins@samba.org>
The winbindd program was built in a single target with many source file,
making reuse of parts elsewhere impossible. With this change the
majority of the code is built as a subsystem and included in the binary
as a dependency.
Signed-off-by: Michael Hanselmann <public@hansmi.ch>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Signed-off-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Tue Nov 26 14:14:51 UTC 2019 on sn-devel-184
Source code in winbind_rpc.c states that if the trusted domain
has no SID, winbindd just aborts the session. This happens with
MIT Kerberos realm added as trust to AD and winbindd just returns
without processing further as there is no SID returned for the
Linux system having kerberos support.
This fix makes winbindd to skip the domain having NULL SID instead
of aborting the request completely.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13913
Signed-off-by: Amit Kumar <amitkuma@redhat.com>
Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
We can use enterprise principals (e.g. upnfromB@B.EXAMPLE.COM@PRIMARY.A.EXAMPLE.COM)
and delegate the routing decisions to the KDCs.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14124
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
clang complains that lm_resp and nt_resp is used uninitialized. This
is true for the "goto done;" in line 2644. This directly calls
log_authentication without having initialized those two blobs.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Signed-off-by: Ralf Habacker <ralf.habacker@freenet.de>
Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Wed Jul 3 19:24:52 UTC 2019 on sn-devel-184
This can store crentiials in the Kerberos Credential Manager e.g.
provided by sssd.
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Alexander Bokovoy <ab@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Mon Jul 1 19:22:02 UTC 2019 on sn-devel-184
Previously the private context was caching a pointer to
a string returned from lp_XXX(). This string can change
on config file reload. Ensure the string is talloc_strup'ed
onto the owning context instead.
Reported by Heinrich Mislik <Heinrich.Mislik@univie.ac.at>
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13956
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
When winbindd is asked to map a name like realm.com\name to a SID ,that
is sucessfully resolved through the lsa lookup name call. The same call
also returns the short domain name (netbios name of the domain). Use
that short domain name for the sid_to_name cache entry, so that
subsequent sid_to_name queries return the expected netbiosname\name
result and not realm.com\name.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13831
Signed-off-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
In order to detect an value overflow error during
the string to integer conversion with strtoul/strtoull,
the errno variable must be set to zero before the execution and
checked after the conversion is performed. This is achieved by
using the wrapper function strtoul_err and strtoull_err.
Signed-off-by: Swen Schillig <swen@linux.ibm.com>
Reviewed-by: Ralph Böhme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This now properly makes us use negative cache entries
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Christof Schmitt <cs@samba.org>
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13813
The code in idmap_cache only touches its output parameters upon success
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Christof Schmitt <cs@samba.org>
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13813
Why? This makes the negative mapping condition (is_null_sid) more
explicit in the code.
The callers in lookup_sid initialized "psid" anyway before, and the ones
in wb_xids2sids now do as well. This is more in line with other APIs we
have: Only touch output parameters if you have something to say.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Christof Schmitt <cs@samba.org>
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13813
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13802
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Sat Feb 23 09:23:22 CET 2019 on sn-devel-144
This is needed in preparation of moving the step to update the idmap
cache from the per-idmap-domain callback wb_xids2sids_dom_done() to the
top-level callback wb_xids2sids_done().
Currently the sequence of action is:
* check cache, if not found:
* ask backends
* cache result from backend
* return results
Iow, if we got something from the cache, we don't write the cache.
The next commit defers updating the cache to the top-level callback, so
the sequence becomes
* check cache, if not found:
* ask backends
* cache results
* return results
This has two problems:
* it needlessly writes to the cache what we just got from it
* it possibly overwrites the ID_TYPE_BOTH for a SID-to-xid mapping in
the following case:
- existing ID_TYPE_BOTH mapping in the cache, eg:
IDMAP/SID2XID/S-1-5-21-2180672342-2513613279-2566592647-512 -> Value: 3000000:B
- someone calls wb_xids2sids_send() with xid.id=3000000,xid.type=ID_TYPE_GID
- cache lookup with idmap_cache_find_gid2sid() succeeds
- when caching results we'd call idmap_cache_set_sid2unixid() with the
callers xid.type=ID_TYPE_GID, so idmap_cache_set_sid2unixid() will
overwrite the SID-to-xid mapping with ID_TYPE_GID
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13802
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
In preparation of adding more logic to the done step. No change in
behaviour.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13802
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
In preparation of priming the idmap cache in the top-level
wb_xids2sids_done(), not in the per-idmap-domain callback
wb_xids2sids_dom_done().
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13802
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
The previous commit made an internal copy of xids, this commit makes it
more obvious that we must not mess with the xids argument but treat it as
an in-parameter and don't write to it.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13802
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
This is in preparation of setting the result of the mapping in the top-
level callback wb_xids2sids_done(), not in the per-idmap-domain callback
wb_xids2sids_dom_done().
When caching the mapping we need the id-type from the backend, so we
need a way to pass up that information from wb_xids2sids_dom_done() up
to wb_xids2sids_done()
The xids array copy gets passed from wb_xids2sids_send() to
wb_xids2sids_dom_send(), so wb_xids2sids_dom_done() can then directly
update the top-level copy.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13802
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Fri Feb 22 23:16:40 CET 2019 on sn-devel-144
Generate JSON authentication messages for winbind PAM_AUTH and
PAM_AUTH_CRAP requests. The logon_id in these messages can be used to
link them to the SamLogon messages.
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Generate a random logon_id and pass it in the SamLogon calls.
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: David Mulder <dmulder@suse.com>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Fri Feb 8 13:30:32 CET 2019 on sn-devel-144
Print what was requested and returned
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: David Mulder <dmulder@suse.com>
Reviewed-by: Andreas Schneider <asn@samba.org>
SOME_UNMAPPED does not mean that nothing worthwhile is in here. We
need to pass what we have.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Tue Jan 8 13:15:35 CET 2019 on sn-devel-144
Replace kerberos context initialization from
raw krb5_init_context() to smb_krb5_init_context_basic()
which is adding common tracing as well.
Signed-off-by: Swen Schillig <swen@linux.ibm.com>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Christof Schmitt <cs@samba.org>
Without this eg "NT Authority" didn't work:
$ bin/wbinfo -n "NT Authority/Authenticated Users"
failed to call wbcLookupName: WBC_ERR_DOMAIN_NOT_FOUND
Could not lookup name NT Authority/Authenticated Users
$ bin/wbinfo --group-info="NT Authority/Authenticated Users"
failed to call wbcGetgrnam: WBC_ERR_DOMAIN_NOT_FOUND
Could not get info for group NT Authority/Authenticated Users
With the patch:
$ bin/wbinfo -n "NT Authority/Authenticated Users"
S-1-5-11 SID_WKN_GROUP (5)
$ bin/wbinfo --group-info="NT Authority/Authenticated Users"
NT AUTHORITY\authenticated users❌10002:
BUG: https://bugzilla.samba.org/show_bug.cgi?id=12164
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: David Mulder <dmulder@suse.com>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Wed Dec 5 11:27:22 CET 2018 on sn-devel-144
Route predefined domains through the BUILTIN domain child, not passdb.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=12164
Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Ralph Boehme <slow@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: David Mulder <dmulder@suse.com>
Reviewed-by: Andreas Schneider <asn@samba.org>
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Tue Nov 27 10:38:11 CET 2018 on sn-devel-144
A signed integer does not make any sense for an IDL array length
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
The protos were declared in lib/krb5_wrap but the functions are not
available there.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
At more than one large site I've seen significant problems due to
gencache_stabilize. gencache_stabilize was mainly introduced to
survive machine crashes with the cache still being in place. Given
that most installations crash rarely and this is still a cache, this
safety is overkill and causes real problems.
With the recent changes to tdb, we should be safe enough to run on
completely corrupted databases and properly detect errors. A further
commit will introduce code that wipes the gencache.tdb if such a
corruption is detected.
There is one kind of corruption that we don't properly handle:
Orphaned space in the database. I don't have a good idea yet how to
handle this in a graceful and efficient way during normal operations,
but maybe this idea pops up at some point.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
The group enumeration backend functions try to allocate an array of
wb_acct_info structs with a number of elements equal to the number of
groups. In domains with a large number of groups this allocation may
fail due to the size of the chunk.
Found while trying to enumerate the groups in a domain with more than
700k groups.
Signed-off-by: Samuel Cabrero <scabrero@suse.de>
Reviewed-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
It's a pain to recompile the world if gencache.h changes
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Fri Oct 19 18:52:50 CEST 2018 on sn-devel-144
Make it more robust
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Tue Oct 16 21:20:19 CEST 2018 on sn-devel-144
This reflects that the messaging context is also used outside of the
server processes.
The command used for the rename:
find . -name '*.[hc]' -print0 | xargs -0 sed -i 's/server_messaging_context/global_messaging_context/'
Signed-off-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
This reflects that the event context is also used outside of the server
processes.
The command used for the rename:
find . -name '*.[hc]' -print0 | xargs -0 sed -i 's/server_event_context/global_event_context/'
Signed-off-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Fix a confusing API: Many places TALLOC_FREE the path where it's not
clear you have to do it.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Having a central tevent_req per winbind child request is prerequisite
for request profiling
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
nss_info does not use libads. Removing this include
fixes a compile error when trying to compile with a
system provided heimdal library:
[2188/3043] Compiling source3/winbindd/nss_info.c
In file included from ../source3/libads/kerberos_proto.h:33:0,
from ../source3/include/ads.h:154,
from ../source3/winbindd/nss_info.c:24:
../lib/replace/system/kerberos.h:33:10: fatal error: krb5.h: No such file or directory
#include <krb5.h>
^~~~~~~~
Signed-off-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Christof Schmitt <cs@samba.org>
Autobuild-Date(master): Wed Jul 11 22:39:36 CEST 2018 on sn-devel-144
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13503
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Wed Jul 4 23:55:56 CEST 2018 on sn-devel-144
On a Windows client, you designate machine/user
apply with a 'target' parameter. This change
makes gpupdate work more like that command.
Signed-off-by: David Mulder <dmulder@suse.com>
Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Wed Jul 4 13:23:09 CEST 2018 on sn-devel-144
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Tue Jun 19 11:43:16 CEST 2018 on sn-devel-144
tevent_req_simple_recv_ntstatus is only for the one-liner without any
additional functionality.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This has been moved to async in 2009
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Thu May 17 11:30:18 CEST 2018 on sn-devel-144
This has an async code path hidden inside. Expose that properly.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
This is meant to replace the synchronous "dispatch_table".
The current dispatch_table assumes that every synchronous function does
the request_ok or request_error itself. This mixes two concerns: Doing
the work and shipping the reply to the winbind client. This new dispatch
table will make it possible to centralize shipping the reply to the
client. At a later stage this will enable easier statistics on how long
request processing took precisely.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Tue May 15 21:12:33 CEST 2018 on sn-devel-144
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13369
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Fri May 11 12:02:37 CEST 2018 on sn-devel-144
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13369
Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Andreas Schneider <asn@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13369
Pair-Programmed-With: Andreas Schneider <asn@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Andreas Schneider <asn@samba.org>
Calling the top level winbindd API would probably be more appropriate,
but we lack certain structures. We introduce this call in order to
return the result to NETLOGON (in order to give site-aware and domain
aware DC location).
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13365
Signed-off-by: Garming Sam <garming@catalyst.net.nz>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This was (possibly) used as an example in the early days of the async winbind
code we have today. It's not necessary to send this through a full tevent_req
round.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Tue Apr 24 17:18:23 CEST 2018 on sn-devel-144
Probably not really a problem, but we have generate_random(), so why not
use it?
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
A LOOKUPNAME request with a domain and a name containing a winbind
separator character would return the result for the joined domain,
instead of the specified domain.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13312
Signed-off-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Fri Apr 6 21:03:31 CEST 2018 on sn-devel-144
This is required because we need a new pointer for LDB after the fork,
and with LMDB we can not longer rely on tdb_reopen_all() to do that
for us.
This can not be done in reinit_after_fork() due to the dependency loop
this would create.
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
The other allocator for this structure uses talloc_zero()
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Sat Mar 24 07:21:37 CET 2018 on sn-devel-144
This is very, very unlikely but possible as in the AD case the RPC server is in
another process that may eventually be able to restart.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
This domain is very close, in AD DC configurations over a internal ncacn_np pipe
and otherwise in the same process via C linking. It is however very expensive
to re-create the binding handle per SID->name lookup, so keep a cache.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13332
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Thu Mar 15 20:57:44 CET 2018 on sn-devel-144
This catches more errors and triggers retry as appropriate.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13332
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
The calls were missing the negation operator, a retry should be
attempted is the binding handle got somehow disconnected behind the
scenes and is NOT connected.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13332
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
To consolidate the error handling for RPC calls, add the binding handle
as an additional argument to reset_cm_connection_on_error().
All callers pass NULL for now, so no change in behaviour up to here.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13332
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
NT_STATUS_RPC_SEC_PKG_ERROR is returned by the server if the server
doesn't know the server-side netlogon credentials anymore, eg after a
reboot. If this happens we must force a full netlogon reauth.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13332
Signed-off-by: Volker Lendecke <vl@samba.org>
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
This ensures we use the same disconnect logic in the reconnect backend,
which calls reconnect_need_retry(), and in the dual_srv frontend which
calls reset_cm_connection_on_error.
Both reset_cm_connection_on_error() and reconnect_need_retry() are very
similar, both return a bool indicating whether a retry should be
attempted, unfortunately the functions have a different default return,
so I don't dare unifying them, but instead just call one from the other.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13332
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
reconnect_need_retry() already checks for this error, it surfaces up
from tstream_smbXcli_np as a mapping for EIO.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13332
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
ldap_reconnect_need_retry() is a copy of reconnect_need_retry() minus
the RPC connection invalidation.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13332
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Right now I don't see a way to actually force a re-serverauth
from the client side as long as an entry in netlogon_creds_cli.tdb
exists. cm_connect_netlogon goes through invalidate_cm_connection, and
this wipes our wish to force a reauthenticatoin. Keep this intact until
we actually did reauthenticate.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13332
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
If the child dies at the wrong moment, we get an error in the "req" itself.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13309
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Thu Mar 1 14:48:19 CET 2018 on sn-devel-144
Fix a bug when a child dies when a request is pending in the child. If the
signal handler fires before epoll finds out the other end of the parent-child
socket is closed, we close the socket on our side without taking care of the
pending request. This causes two problems: First, that one pending request
never is replied to properly, and secondly, we might end up with EPOLL_DEL on a
wrong file descriptor. This causes all sorts of trouble if we hit an active
one.
The fix for this problem is not to close the socket in winbind_child_died().
This however stops an idle child that dies hard from being properly cleaned up.
The fix for that is to add the child->monitor_fde that is set pending only when
no child request is active. This way we can remove the close(sock) in the
signal handler.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13309
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
This removes the special handling for idmap_child() after the "This is
a little tricky" comment. I believe this was not required at all, the
idmap_child is part of the winbindd_children list.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13309
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Note that we only walk the domain children, which all have
child->domain != NULL. So we don't need that check anymore.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13309
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Look at setup_domain_child(): There we always set child->domain. The only other
two children are the idmap and locator children, which don't have a domain set.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13309
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Step 0 in removing winbindd_children as a variable: We have access to
all children via our domain list and the two explicit children. There's
no need to separately maintain a list of winbind children. Maintaining
child->pid != 0 is sufficient to make sure we only walk active children.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13309
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
We don't support selective authentication yet,
so we shouldn't silently allow domain wide authentication
for such a trust.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13299
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13278
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Fri Feb 23 17:58:23 CET 2018 on sn-devel-144
On a DC we load the trusts in the parent in add_trusted_domains_dc()
from our local configuration. There's no need to find out the trust details
via network calls.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13278
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
This is not needed for the normal operation of an AD DC.
Administrators should just use other tools instead of
wbinfo to list and query users and groups.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13278
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
This makes sure we only talk to direct trusts.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13278
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
If we have multiple domain children, it's important
that the first idle child takes over the next waiting request.
Before we had the problem that a request could get stuck in the
queue of a busy child, while later requests could get served fine by
other children.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13292
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Fri Feb 23 09:04:23 CET 2018 on sn-devel-144
Commit ed3bc614cc got the logic wrong while
trying to implement the logic we had in init_child_connection(),
which was removed by commit d61f3626b7.
Instead of doing a WINBINDD_GETDCNAME request (which would caused an error
because the implementation was removed in commit
958fdaf5c3), we sent the callers request
and interpreted the result as WINBINDD_GETDCNAME response, which
led to an empty dcname variable. As result the domain child
opened a connection to the primary domain in order to lookup
a dc.
If we want to connect the primary domain from the parent via
a domain child of the primary domain.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13295
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
This will reduce the diff for the following changes.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13295
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
domain->dcname was converted from fstring to char * by commit
14bae61ba3.
Luckily this was only ever called with an empty string in
state->request->data.init_conn.dcname.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13294
Signed-off-by: Stefan Metzmacher <metze@samba.org>
A client may skip the explicit endpwent() if getgrent() fails.
This allows client_is_idle() return true in more cases.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13293
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
A client may skip the explicit endgrent() if getgrent() fails.
This allows client_is_idle() return true in more cases.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13293
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
This way we don't keep winbindd_cli_state->{pw,gr}ent_state arround forever,
if the client forgets an explicit end{pw,gr}ent().
This allows client_is_idle() return true in more cases.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13293
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
If the (winbind) client gave up we call TALLOC_FREE(state->mem_ctx)
in remove_client(). This triggers a recursive talloc_free() for all
in flight requests.
In order to maintain the winbindd parent-child protocol, we need
to keep the orphaned wb_simple_trans request until the parent
got the response from the child.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13290
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
We need a way to keep the child->queue blocked without relying on
the current 'req' (wb_child_request_state).
The next commit will make use of this.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13290
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
This will be used by the LSA Server on an AD DC to request remote views
from trusts.
In future we should implement wb_lookupnames_send/recv similar to
wb_lookupsids_send/recv, but for now using wb_lookupname_send/recv in a loop
works as a first step.
We also need to make use of req->in.level and req->in.client_revision
once we want to support more than one domain within our own forest.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13286
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
It just feels better for such a complex function.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13281
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
We check for !NT_STATUS_LOOKUP_ERR(), but wb_lookupsid_recv()
only initializes the results together with NT_STATUS_OK.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13280
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
We have a stackframe we can use for the lifetime of the session.
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Wed Feb 21 02:46:40 CET 2018 on sn-devel-144
messaging already provides the sender id
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Fri Feb 16 00:56:36 CET 2018 on sn-devel-144
==9405== 4 errors in context 1 of 493:
==9405== Conditional jump or move depends on uninitialised value(s)
==9405== at 0x7507F71: vfprintf (in /lib64/libc-2.12.so)
==9405== by 0x75C515B: __vasprintf_chk (in /lib64/libc-2.12.so)
==9405== by 0x2A8728: dbgtext (stdio2.h:199)
==9405== by 0x22DCBB: winbindd_list_groups_done (winbindd_list_groups.c:127)
==9405== by 0x6C7F568: _tevent_req_error (tevent_req.c:167)
==9405== by 0x6C7F568: _tevent_req_error (tevent_req.c:167)
==9405== by 0x6C7F568: _tevent_req_error (tevent_req.c:167)
==9405== by 0x3CDAE8: dcerpc_binding_handle_call_done (binding_handle.c:445)
==9405== by 0x6C7F568: _tevent_req_error (tevent_req.c:167)
==9405== by 0x6C7F568: _tevent_req_error (tevent_req.c:167)
==9405== by 0x202701: wbint_bh_raw_call_done (winbindd_dual_ndr.c:139)
==9405== by 0x6C82C60: tevent_common_loop_timer_delay (tevent_timed.c:341)
==9405== by 0x6C83CA1: epoll_event_loop_once (tevent_epoll.c:911)
==9405== by 0x6C822D5: std_event_loop_once (tevent_standard.c:114)
==9405== by 0x6C7DC3C: _tevent_loop_once (tevent.c:533)
==9405== by 0x1D8A03: main (winbindd.c:1490)
==9405== Uninitialised value was created by a heap allocation
==9405== at 0x4A069EE: malloc (vg_replace_malloc.c:270)
==9405== by 0x6A71DCA: _talloc_array (in /usr/lib64/libtalloc.so.2.1.5)
==9405== by 0x22D959: winbindd_list_groups_send (winbindd_list_groups.c:69)
==9405== by 0x1D76BC: winbind_client_request_read (winbindd.c:647)
==9405== by 0x23AF2A: wb_req_read_done (wb_reqtrans.c:126)
==9405== by 0x6C83EA5: epoll_event_loop_once (tevent_epoll.c:728)
==9405== by 0x6C822D5: std_event_loop_once (tevent_standard.c:114)
==9405== by 0x6C7DC3C: _tevent_loop_once (tevent.c:533)
==9405== by 0x1D8A03: main (winbindd.c:1490)
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Tue Feb 13 00:25:27 CET 2018 on sn-devel-144
This improves the situation when a client request blocks a winbind
child. This might be a slow samlogon or lookupnames to a domain that's
far away. With random selection of the child for new request coming in
we could end up with a long queue when other, non-blocked children
could serve those new requests. Choose the shortest queue.
This is an immediate and simple fix. Step two will be to have a
per-domain and not a per-child queue. Right now we're pre-selecting
the check-out queue at Fry's randomly without looking at the queue
length. With this change we're picking the shortest queue. The better
change will be what Fry's really does: One central queue and red/green
lights on the busy/free checkout counters.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Mon Feb 12 19:51:35 CET 2018 on sn-devel-144
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13262
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Sat Feb 10 13:08:50 CET 2018 on sn-devel-144
Just a preperational step. The next commit will update the caller to
make use of the validation info.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13262
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
winbindd_pam_auth_crap_recv() should not have any real logic.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13262
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
This way we don't loose the DNS info and UPN. A subsequent commit will
let winbindd_pam_auth_pac_send() return the full validation info.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13262
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
This way we don't loose dns_domain_name and user principal.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13261
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
At lot of callers require a valid schannel connection.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13259
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
We need to handle 4 cases:
plaintext_given=true interactive=true
plaintext_given=false interactive=true
plaintext_given=true interactive=false
plaintext_given=false interactive=false
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13258
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Check whether the DNS domain name in the info6 struct is actually more
then just an empty string. If it is we want to call add_trusted_domain()
with NULL as DNS domain name argument.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13257
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
As we don't support multiple domains in a forest yet,
we don't need to print a warning a log level 0.
This also adds a missing \n.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13255
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
This reflects the new implementation in winbindd.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13237
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
This allows using the split out function in a subsequent commit in the
MSG_WINBIND_NEW_TRUSTED_DOMAIN message handler.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13237
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
This also fixes the following CIDs:
CID 1427622: Null pointer dereferences (REVERSE_INULL)
CID 1427619: Null pointer dereferences (REVERSE_INULL)
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13233
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
