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Callgrind showed that we use 28,165,720,719 cpu cycles to send
a 100MB file to a client using aes-ccm.
With aes-gcm this is raises up to 723,094,413,831 cpu cycles.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11451
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
This gives us overflow protection.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
Autobuild-User(master): Michael Adam <obnox@samba.org>
Autobuild-Date(master): Fri Aug 14 13:56:49 CEST 2015 on sn-devel-104
This should trigger the behaviour where the server requires
signing when the client supports it, but does not reject
clients that don't support it.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11372
Signed-off-by: Michael Adam <obnox@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
This maps to NT_STATUS_CONNECTION_DISCONNECTED instead of
NT_STATUS_IO_DEVICE_ERROR.
EPIPE, NT_STATUS_CONNECTION_DISCONNECTED matches what other tstream backends
e.g. tcp and unix report.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
This way smbXcli_conn_disconnect() removes all tevent_fd structures attached to
the sock_fd before closing it.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11316
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
This way we have a change to destroy the pending writev_send request before
closing the socket in smbXcli_conn_disconnect().
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11316
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
The tevent epoll backend supports separate read and write tevent_fd structure
on a single fd, so there's no need for a dup() anymore.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11316
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
We need to cancel all pending requests before closing the socket fds,
otherwise we cause problem with the interaction with the epoll event backend.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11316
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reuse of nonces with AES-CCM and AES-GCM leads to catastrophic failure,
so make sure the server drops the connection if that ever happens.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=11300
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Simo Sorce <idra@samba.org>
Introduce a new operation, splice, which copies data from one SMBCFILE
to another. Implement this operation using FSCTL_SRV_COPYCHUNK_WRITE for
SMB2+ protocols and using read+write for older protocols. Since the
operation may be long running, it takes a callback which gets called
periodically to indicate progress to the application and given an
opportunity to stop it.
Signed-off-by: Ross Lagerwall <rosslagerwall@gmail.com>
Reviewed-by: David Disseldorp <ddiss@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Michael Adam <obnox@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
We need to make sure smb2cli_req_get_sent_iov() returns what was sent
over the wire. This is required in order to correctly perform
the preauth calculation for SMB >= 3.1.
We keep separate variables for the cancel information we got
from a STATUS_PENDING response.
Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Michael Adam <obnox@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Richard Sharpe <rsharpe@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Fri Mar 27 01:24:47 CET 2015 on sn-devel-104
We haven't added the req to the pending array yet, as SMB1 requests can
be one-way (no reply needed). So if we error out after the writev, but
before we add to the pending array we must rember to terminate our current
tevent req with a tevent_req_nterror call.
Fixes bug 11173 - SMB1 Server disconnect can cause timeout on client write error.
https://bugzilla.samba.org/show_bug.cgi?id=11173
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
Autobuild-User(master): Michael Adam <obnox@samba.org>
Autobuild-Date(master): Fri Mar 20 05:08:25 CET 2015 on sn-devel-104
As specified in the recent 20150129 revision of MS-FSCC.
Add a note regarding the FileHandle field, which was confirmed to
correspond to the volatile part of the fileid:
https://lists.samba.org/archive/samba-technical/2015-February/105454.html
Signed-off-by: David Disseldorp <ddiss@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Signed-off-by: Richard Sharpe <rsharpe@samba.org>
Reviewed-by: Ira Cooper <ira@samba.org>
Autobuild-User(master): Ira Cooper <ira@samba.org>
Autobuild-Date(master): Sun Mar 8 00:43:08 CET 2015 on sn-devel-104
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>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Fri Dec 12 23:11:40 CET 2014 on sn-devel-104
This reverts commit a6affb7bb3ff595165e708c56ede2181f0bb570f.
This is not really needed. The caller should ignore this flag.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Required as some servers return zero when asked for
zero credits in an initial SMB2-only negprot.
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Böhme <rb@sernet.de>
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Fri Nov 7 22:41:47 CET 2014 on sn-devel-104
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): Thu Oct 16 21:53:32 CEST 2014 on sn-devel-104
enum protocol_types protocol was unused before
and cipher_id is unused as well for now.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
SMB 3.10 servers don't report SMB2_CAP_ENCRYPTION anymore.
So using conn->smb2.server.cipher != 0 is a more consistent way to decide if
encryption is supported on the connection.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This allows SMB signing to work against many more DCs, and so improves network security.
The default for "client max protocol" remains NT1 in the rest of the code.
Andrew Bartlett
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
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): Wed Oct 8 01:08:40 CEST 2014 on sn-devel-104
