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Note real anonymous sessions (with "" as username) don't hit this
as we don't even call smb2cli_session_set_session_key() in that case.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11860
Signed-off-by: Stefan Metzmacher <metze@samba.org>
SMB_SIGNING_IPC_DEFAULT must be used from s3 client code when opening
RPC connections.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11756
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Negprot remote arch detection is very cryptic. Rework it so it's easier
to understand, and therefore more extensible, following the protocol table
in inline comments. This also allows us to remove some hacks.
Signed-off-by: Justin Maggard <jmaggard10@gmail.com>
Reviewed-by: Ralph Boehme <rb@sernet.de>
Reviewed-by: Jeremy Allison <jra@samba.org>
Add a define for the CIFS UNIX extensions encryption type. We store this
in smbXsrv_channel and use it in smbstatus for showing the
CIFS/SMB2/SMB3 encryption cipher used.
The SMB3 encryption cipher constants start at 1, carefully choosing the
highest available bit for the CIFS UNIX extensions encryption cipher
should avoid collisions and leaves room for many SMB3 ciphers in the
future.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This is necessary because it has public headers.
Signed-off-by: Jelmer Vernooij <jelmer@jelmer.uk>
Reviewed-By: Andrew Bartlett <abartlet@samba.org>
Reviewed-By: Stefan Metzmacher <metze@samba.org>
Autobuild-User(master): Jelmer Vernooij <jelmer@samba.org>
Autobuild-Date(master): Wed Jan 13 07:47:04 CET 2016 on sn-devel-144
The special error is not NT_STATUS_BUFFER_TOO_SMALL, but STATUS_BUFFER_OVERFLOW.
Tested using TSTREAM_SMBXCLI_NP_MAX_BUF_SIZE == 20 and running
the following commands against a Windows 2012R2 server:
bin/smbtorture ncacn_np:SERVER[] rpc.lsa-getuser
bin/smbtorture ncacn_np:SERVER[smb2] rpc.lsa-getuser
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11623
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): Tue Dec 1 03:42:52 CET 2015 on sn-devel-104
Found by valgrind, reported by Noel Power <nopower@suse.com>:
==7913== Invalid read of size 1
==7913== at 0xC4F23EE: smb2cli_ioctl_done (smb2cli_ioctl.c:245)
==7913== by 0x747A744: _tevent_req_notify_callback (tevent_req.c:112)
==7913== by 0x747A817: tevent_req_finish (tevent_req.c:149)
==7913== by 0x747A93C: tevent_req_trigger (tevent_req.c:206)
==7913== by 0x7479B2B: tevent_common_loop_immediate
(tevent_immediate.c:135)
==7913== by 0xA9CB4BE: run_events_poll (events.c:192)
==7913== by 0xA9CBB32: s3_event_loop_once (events.c:303)
==7913== by 0x7478C72: _tevent_loop_once (tevent.c:533)
==7913== by 0x747AACD: tevent_req_poll (tevent_req.c:256)
==7913== by 0x505315D: tevent_req_poll_ntstatus (tevent_ntstatus.c:109)
==7913== by 0xA7201F2: cli_tree_connect (cliconnect.c:2764)
==7913== by 0x165FF7: cm_prepare_connection (winbindd_cm.c:1276)
==7913== Address 0x16ce24ec is 764 bytes inside a block of size 813 alloc'd
==7913== at 0x4C29110: malloc (in
/usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
==7913== by 0x768A0C1: __talloc_with_prefix (talloc.c:668)
==7913== by 0x768A27E: _talloc_pool (talloc.c:721)
==7913== by 0x768A41E: _talloc_pooled_object (talloc.c:790)
==7913== by 0x747A594: _tevent_req_create (tevent_req.c:66)
==7913== by 0xCF6E2FA: read_packet_send (async_sock.c:414)
==7913== by 0xCF6EB54: read_smb_send (read_smb.c:54)
==7913== by 0xC4DA146: smbXcli_conn_receive_next (smbXcli_base.c:1027)
==7913== by 0xC4DA02D: smbXcli_req_set_pending (smbXcli_base.c:978)
==7913== by 0xC4DF776: smb2cli_req_compound_submit (smbXcli_base.c:3166)
==7913== by 0xC4DFC1D: smb2cli_req_send (smbXcli_base.c:3268)
==7913== by 0xC4F2210: smb2cli_ioctl_send (smb2cli_ioctl.c:149)
==7913==
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11622
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This removes some duplicated code.
Signed-off-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Wed Nov 18 04:04:17 CET 2015 on sn-devel-104
We need this to see if a share supports access-based enumeration.
https://bugzilla.samba.org/show_bug.cgi?id=10252
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
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
