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It turns out that the effective credits_requested is always at least 1,
even if the client sends credits_requested == 0.
This means the client is not able to reduce the amount of credits
itself.
Without this fix a client (e.g. Windows7) would reach the case
where it has been granted all credits it asked for.
When copying a large file with a lot of parallel requests,
all these requests have credits_requested == 0.
This means the amount of granted credits where reduced by each
request and only when the granted credits reached 0,
the server granted one credit to allow the client to go on.
The client might require more than one credit ([MS-SMB2] says
Windows clients require at least 4 credits) and freezes
with just 1 credit.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=9702
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
If signing is not required we should not require it for reauthentication.
Windows clients would otherwise fail to reauthenticate.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=10958
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
In future we want to use this for lease breaks and they're not attached
to a session.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This improves profiling and corrently counts the total and idle time for async
requests.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
SMB 3.10 and later won't have SMB2_CAP_ENCRYPTION anymore.
xconn->smb2.server.cipher == 0 is the indication that we don't support encryption on the connection.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This will find the correct signing key for the connection.
If there's already a channel session key, we need to use that
otherwise we need to use the global session key.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
These should be per client (based on the SMB >= 2.1 client_guid),
this is a preparation for multi-channel support.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
If we have a channel session key, we also always have a global session key.
For multi-channel it's possible that the channel session key is not in place
yet, in that case the global session key needs to be used.
In both cases (reauth or session bind) we session setup requests need to be
signed.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
Calling exit_server() from within a destructor is a bit ugly...
This will result in smbd_server_connection_terminate() instead of
directly calling exit_server(), which will be useful for multi-channel in
future.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
This will simplify future features like multi-channel and rdma.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
This makes the code more consistent with other functions
using 'struct smbXsrv_connection *xconn' as local variables.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
This prepares the structures for multi-channel support.
Each request needs to respond on the same connection,
where it arrived.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
As the list of pending requests moved from sconn->smb2.requests to xconn->smb2.requests,
it is more logical to use smbXsrv_connection as talloc parent.
This prepares the structures for multi-channel support.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
This prepares the structures for multi-channel support.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
This prepares the structures for multi-channel support.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
This prepares the structures for multi-channel support.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
This prepares the structures for multi-channel support.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
This prepares the structures for multi-channel support.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
This prepares the structures for multi-channel support.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
This prepares the structures for multi-channel support.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
