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This will be used for rpcd_witness_registration_updateB messages
in 'net witness [client-move,...]' commands later.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>
A rpcd_witness_registration.tdb will be added shortly in order to
implement useful 'net witness [list,client-move,...]' commands
in the end.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>
This is useful for some scripting examples and debugging...
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
This is very useful for debugging...
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Instead of ‘int’ or ‘uint32_t’, neither of which convey much meaning,
consistently use a newly added type to hold NDR_ flags.
Update the NDR 4.0.0 ABI.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
The important factor to distribute connection to workers
should be the number of used association group slots instead
of the raw number of connections. If one worker has a lot of
association groups with just one connection each, but another
with few association groups, but multiple connections per
association group. The one with less association groups should
get the connection. Note each worker is only able to allocate
UINT16_MAX allocation groups, but the number of connections
is only limited by RAM.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
We already limit the per worker portion of the association
group id to UINT16_MAX, so we can also use 16-bit instead
of just 8-bit to encode the worker index.
While there we should actually ensure that the max worker
index is UINT16_MAX.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This reflects what we're using in the C code already...
Note this is an incompatible change, but we also changed
from named_pipe_auth_req_info7 to named_pipe_auth_req_info8
in master...
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This is because commit f893cf85cc
changed the security token in secuirty.idl, and bumping the version
was missed.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Before this patch the worker-status cut the worker index such that
samba-dcerpcd could not properly update status of the surplus rpc
daemons. This could lead to those daemons to stay around forever,
samba-dcerpcd will never notice they are idle and can exit.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15310
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): Mon Mar 6 22:35:00 UTC 2023 on atb-devel-224
Fix this compile error:
[753/756] Processing source3/librpc/idl/libnet_join.idl
source3/librpc/idl/ads.idl:2:10: fatal error: config.h: No such file or directory
#include "config.h"
^~~~~~~~~~
compilation terminated.
source3/librpc/idl/libnet_join.idl:3: error: Failed to parse source3/librpc/idl/ads.idl
source3/librpc/idl/libnet_join.idl:50: warning: [out] argument `account_name' not a pointer
libnet_join.idl imports ads.idl which includes config.h. The build rule
for ads.idl provides the include directory for config.h, so add a new
rule to also specify that include directory for libnet_join.idl.
Signed-off-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
The only user by now was net serverid wipedbs, and there it was easy to replace
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Mon Feb 13 10:49:43 UTC 2023 on atb-devel-224
In the next commit, we shall replace the 'authenticated' field of
named_pipe_auth_req_info.info5.session_info.session_info.info with a
more general 'user_flags' field.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This was only referenced in smbXsrv_open_close, but it was never
assigned anything but NULL.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
share_mode_data->fresh was very similar, but only set
and never used.
Now we remember 'not_stored' instead, the 'not_' is easier
as ndr_pull sets [skip] elements to 0.
We use this as indication to move the value to
memcache.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15125
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
If a client disconnected all its interfaces and reconnects when
the come back, it will likely start from any ip address returned
dns, which means it can try to connect to a different ctdb node.
The old node may not have noticed the disconnect and still holds
the client_guid based smbd.
Up unil now the new node returned NT_STATUS_NOT_SUPPORTED to
the SMB2 Negotiate request, as messaging_send_iov[_from]() will
return -1/ENOSYS if a file descriptor os passed to a process on
a different node.
Now we tell the other node to teardown all client connections
belonging to the client-guid.
Note that this is not authenticated, but if an attacker can
capture the client-guid, he can also inject TCP resets anyway,
to get the same effect.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15159
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Fri Sep 2 20:59:15 UTC 2022 on sn-devel-184
Since memcmp_const_time() doesn't act as an exact replacement for
memcmp(), and its return value is only ever compared with zero, simplify
it and emphasize the intention of checking equality by returning a bool
instead.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This helps to avoid timing attacks.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15010
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
MSG_RPC_DUMP_STATUS will be like pool-usage carrying a file descriptor to
report status to, the other two are described in rpc_host.idl.
NOALIGN on rpc_worker_status: This makes it easier to count bytes to
push into a static buffer.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Samuel Cabrero <scabrero@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
This is needed to ensure Heimdal does not attempt to use nss to canonicalize the name.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Thu Dec 9 07:42:38 UTC 2021 on sn-devel-184
Remove indentation with early return, best reviewed with
git show -b
Signed-off-by: Pavel Filipenský <pfilipen@redhat.com>
Reviewed-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Wed Nov 3 08:36:00 UTC 2021 on sn-devel-184
It will be used later to pass in offline domain join structs to serve
request offline domain join requests.
Guenther
Signed-off-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Alexander Bokovoy <ab@samba.org>
575d39048e has marked
several structures as recursive, they contain typically a
backpointer named '* next'. secrets_domain_info1 is not self
recursive, it only contains a pointer named '*next_change'.
Signed-off-by: Pavel Filipenský <pfilipen@redhat.com>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Tue Jun 29 03:07:17 UTC 2021 on sn-devel-184
Before processing an open we need to reserve the replay cache entry
in order to signal that we're still in progress.
If a reserved record is already present we need to return
FILE_NOT_AVAILABLE in order to let the client retry again.
[MS-SMB2] contains this:
<152> Section 3.2.5.1: For the following error codes, Windows-based clients
will retry the operation up to three times and then retry the operation every 5
seconds until the count of milliseconds specified by Open.ResilientTimeout is
exceeded:
- STATUS_SERVER_UNAVAILABLE
- STATUS_FILE_NOT_AVAILABLE
- STATUS_SHARE_UNAVAILABLE
This works fine for windows clients, but current windows servers seems to
return ACCESS_DENIED instead of FILE_NOT_AVAILABLE.
A Windows server doesn't do any replay detection on pending opens,
which wait for a HANDLE lease to be broken (because of a
SHARING_VIOLATION), at all.
As this is not really documented for the server part of the current [MS-SMB2],
I found the key hint in "SMB 2.2: Bigger. Faster. Scalier - (Parts 1 and 2)"
on page 24. There's a picture showing that a replay gets FILE_NOT_AVAILABLE
as long as the original request is still in progress. See:
https://www.snia.org/educational-library/smb-22-bigger-faster-scalier-parts-1-and-2-2011
A Windows client is unhappy with the current windows server behavior if it
such a situation happens. There's also a very strange interaction with oplock
where the replay gets SHARING_VIOLATION after 35 seconds because it conflicts with
the original open.
I think it's good to follow the intial design from the 2011 presentation and
make the clients happy by using FILE_NOT_AVAILABLE (and differ from Windows).
I'll report that to dochelp@microsoft.com in order to get this hopefully fixed in
their server too).
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14449
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Let the epmapper take care of this, with "EPMAPPER" being the default
socket that is connected for registration from ep_register()
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
We need a full request/response pair in order to avoid races in
the multichannel connection passing.
smb2srv_client_mc_negprot_send/recv locks the
db record for the given client_guid.
If there's no entry found, we add ourself and
return NT_STATUS_OK.
If there's an existing process for that client guid
we start messaging_filtered_read_send()
dbwrap_watched_watch_send() before calling
smb2srv_client_connection_pass().
Then we release the lock and wait for either
MSG_SMBXSRV_CONNECTION_PASSED to arrive or
retry if dbwrap_watched_watch_recv signaled
a change in the database.
If we got MSG_SMBXSRV_CONNECTION_PASSED we'll
return NT_STATUS_MESSAGE_RETRIEVED in order to
signal that the other process will take care of
the connection and we terminate the current process.
All that is done completely async, which means that
the IDLE_CLOSED_TIMEOUT (60 seconds) may trigger
deadtime_fn(), which will send itself a MSG_SHUTDOWN.
So the process that accepted the tcp connection
exists if there was no MSG_SMBXSRV_CONNECTION_PASSED
within 60 seconds.
However the fd may still exists in the kernel (and
the new connection may still be handed to the other
process. If that process somehow exists before
there's no way to prevent a connection termination
for the client.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14433
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Sat Mar 6 03:30:06 UTC 2021 on sn-devel-184
Nobody in share_mode_lock.c looked at that value anymore, so we don't
need to manually maintain it.
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 Dec 4 22:32:38 UTC 2020 on sn-devel-184