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This does a session setup for the NT1 protocol (without CAP_EXTENDED_SECURITY).
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
This does a session setup for the LANMAN 2(.1) protocol.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
When a the higher level does a TALLOC_FREE() on an already
queued request, we need to check whether we already sent a byte,
if not we can try to unwind the smb1 signing sequence number,
if there was only one pending request, in all other cases
we need to disconnect the connection.
I noticed that when seeing during an smb1cli_close()
from tstream_smbXcli_np_destructor().
TODO: we may want to have a similar smbXcli_conn_cancel_read_req() in future.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Analysis by: Rebecca Gellman <rebecca@starfleet-net.co.uk>
Ignore cldap_socket_init() failure when sending
multiple cldap netlogon requests. Allow cldap_netlogon_send()
to catch the bad address and correctly return through a
tevent subreq.
Make sure cldap_search_send() copes with cldap parameter == NULL.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=12381
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Tue Oct 18 02:16:20 CEST 2016 on sn-devel-144
BUG: https://bugzilla.samba.org/show_bug.cgi?id=12373
Signed-off-by: Moritz Beller <moritzbeller@gmx.de>
Reviewed-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Simo <simo@samba.org>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Thu Oct 13 18:13:45 CEST 2016 on sn-devel-144
The offline VFS functions predate the SMB_VFS_{GET|SET}_DOS_ATTRIBUTES()
functions, now that we have these, we can use them for the offline
attribute as well.
The primary reason for this is: performance. Merging both functions has
the benefit that in VFS modules that use same backing store bits for
both offline attribute and DOS attributes (like gpfs), we avoid calling
the backing store twice in dos_mode() and file_set_dosmode().
This commit modifies all existing users of the offline attribute to
adapt to the change, the next commit will then remove the obsolete
offline functions.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Add Samba specific well known SIDs for
Unix UID and GID owner.
Signed-off-by: Steve French <smfrench@gmail.com>
Reviewed-by: Guenther Deschner <gd@samba.org>
This FS attribute is used to advertise whether the server supports
FSCTL_DUP_EXTENTS_TO_FILE requests.
Signed-off-by: David Disseldorp <ddiss@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
SMB2 shadow copy requests are the first time we've used
create contexts in anger in this codepath. This took me
longer than I'd like to admit to find :-).
BUG: https://bugzilla.samba.org/show_bug.cgi?id=12166
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Uri Simchoni <uri@samba.org>
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>
SECURITY_GUEST is not exactly the same as SECURITY_ANONYMOUS.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11847
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Günther Deschner <gd@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>
This is the function that prevents spoofing like
Microsoft's CVE-2015-0005.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11749
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>
Pair-programmed-with: Garming Sam <garming@catalyst.net.nz>
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
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>
asn1_tag_remaining already checks for has_error and only
returns positive if there is error-free space left
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Guenther Deschner <gd@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>
Bug: https://bugzilla.samba.org/show_bug.cgi?id=11677
definitions taken from [MS-DTYP]: Windows Data Types,
2.4.2.4 Well-Known SID Structures.
Guenther
Signed-off-by: Günther Deschner <gd@samba.org>
Reviewed-by: Andreas Schneider <asn@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
This allows public headers to not include samba_util.h, but rather
specific header files under lib/util.
Signed-Off-By: Jelmer Vernooij <jelmer@samba.org>
Reviewed-By: Andrew Bartlett <abartlet@samba.org>
Reviewed-By: Stefan Metzmacher <metze@samba.org>
We don't need the full power of NTSTATUS here. This was the only
NTSTATUS in asn1.h, so I think it's worth removing it.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
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 should never get a secret from a server when we specify DRSUAPI_DRS_SPECIAL_SECRET_PROCESSING
This asserts that this is the case.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
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>
This turned out to be all that was needed to enable cd to handle multiple
directory levels.
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): Wed Oct 7 04:16:24 CEST 2015 on sn-devel-104
sid_parse takes a binary blob, uint8_t reflects this a bit
better than char * does
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@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>
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Alexander Bokovoy <ab@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Tue Jun 16 04:16:13 CEST 2015 on sn-devel-104
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>
When we have a large RPC reply, we can't block in the RPC server.
Test: Do rpcclient netshareenumall with a thousand shares defined
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@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>
