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If "/" (root) is returned as the home directory, prevent exporting it.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13699
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Ralph Böhme <slow@samba.org>
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): Tue Nov 27 21:42:24 CET 2018 on sn-devel-144
All existing callers pass NULL, no change in behaviour.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13455
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Böhme <slow@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Wed Nov 14 21:35:45 CET 2018 on sn-devel-144
We talloc_move() session_info to session->global->auth_session_info
which sets session_info to NULL.
This means security_session_user_level(NULL, NULL) will always return
SECURITY_ANONYMOUS so we never sign the session setup response.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13661
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Tue Nov 13 14:22:46 CET 2018 on sn-devel-144
Same code, less lines
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): Tue Nov 13 04:10:54 CET 2018 on sn-devel-144
At more than one large site I've seen significant problems due to
gencache_stabilize. gencache_stabilize was mainly introduced to
survive machine crashes with the cache still being in place. Given
that most installations crash rarely and this is still a cache, this
safety is overkill and causes real problems.
With the recent changes to tdb, we should be safe enough to run on
completely corrupted databases and properly detect errors. A further
commit will introduce code that wipes the gencache.tdb if such a
corruption is detected.
There is one kind of corruption that we don't properly handle:
Orphaned space in the database. I don't have a good idea yet how to
handle this in a graceful and efficient way during normal operations,
but maybe this idea pops up at some point.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
MS-FSA states that a CREATE with FILE_DELETE_ON_CLOSE on an existing
file with READ_ONLY attribute has to return STATUS_CANNOT_DELETE. This
was missing in smbd as the check used the DOS attributes from the CREATE
instead of the DOS attributes on the existing file.
We need to handle the new file and existing file cases separately.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13673
Signed-off-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This was used internally to mark an aio request as cancelled. As the aio
cancellation functionality has been removed, we can now also remove this
check.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13667
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
As we currently don't attempt to cancel the internal aio request, we
must ignore the SMB2 cancel request and continue to process the SMB2
request, cf MS-SM2 3.3.5.16:
If the target request is not successfully canceled, processing of the
target request MUST continue and no response is sent to the cancel
request.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13667
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
We used %llu as conversion specifier which results in a decimal number
being printed, so remove the misleading "0x" prefix.
While at it, I'll change %llu to the terse %ju.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Thu Oct 25 21:44:17 CEST 2018 on sn-devel-144
Do the checks with increasing cost, possibly avoid more expensive ones
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
It's only debug statements, but I would like to promote the
stack-allocation routines as good practice where they make sense.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
It's a pain to recompile the world if gencache.h changes
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Fri Oct 19 18:52:50 CEST 2018 on sn-devel-144
A filled session info is needed by some vfs modules, e.g. full_audit.
Signed-off-by: Björn Baumbach <bb@sernet.de>
Reviewed-by: Volker Lendecke <vl@samba.org>
Coalesce the NT_STATUS_OPLOCK_BREAK_IN_PROGRESS case into just one
if-condition
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): Tue Oct 2 22:22:37 CEST 2018 on sn-devel-144
To me, the "additive" SMB2_LEASE_WRITE|SMB2_LEASE_HANDLE is easier to
read than the negated ~SMB2_LEASE_READ.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
As much as I dislike }else{ and prefer early returns, I even more
dislike asking for the same condition in two different ways.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Simple simplification: In locking/ we did not have the direct
reference to find_share_mode_lock.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
This function is pretty closely entangled with its only caller. In
particular the NT_STATUS_OPLOCK_BREAK_IN_PROGRESS triggers acitivity
in the caller, and that's the only case where "*_l" is being set to
non-NULL. Prepare for cleanup
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
The STATUS_SESSION_EXPIRED error was returned unencrypted,
if the request was encrypted.
If clients use SMB3 encryption and the kerberos authenticated session
expires, clients disconnect the connection instead of doing a reauthentication.
From https://blogs.msdn.microsoft.com/openspecification/2012/10/05/encryption-in-smb-3-0-a-protocol-perspective/
The sender encrypts the message if any of the following conditions is
satisfied:
- If the sender is sending a response to an encrypted request.
- If Session.EncryptData is TRUE and the request or response being
sent is not NEGOTIATE.
- If Session.EncryptData is FALSE, the request or response being sent
is not NEGOTIATE or SESSION_SETUP or TREE_CONNECT, and
<TreeConnect|Share>.EncryptData is TRUE.
[MS-SMB2] 3.3.4.1.4 Encrypting the Message
If Connection.Dialect belongs to the SMB 3.x dialect family and
Connection.ClientCapabilities includes the SMB2_GLOBAL_CAP_ENCRYPTION
bit, the server MUST encrypt the message before sending, if any of the
following conditions are satisfied:
- If the message being sent is any response to a client request for which
Request.IsEncrypted is TRUE.
- If Session.EncryptData is TRUE and the response being sent is not
SMB2_NEGOTIATE or SMB2 SESSION_SETUP.
- If Session.EncryptData is FALSE, the response being sent is not
SMB2_NEGOTIATE or SMB2 SESSION_SETUP or SMB2 TREE_CONNECT, and
Share.EncryptData for the share associated with the TreeId in the SMB2
header of the response is TRUE.
The server MUST encrypt the message as specified in section 3.1.4.3,
before sending it to the client.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13624
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Tue Oct 2 14:11:30 CEST 2018 on sn-devel-144
Missing fsp talloc free and linked list delete in error
paths in close_directory(). Now matches close_normal_file()
and close_fake_file().
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13633
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Sat Sep 29 05:32:41 CEST 2018 on sn-devel-144
The SMBnegprot response from the server contains the DialectIndex of the
selected protocol from the client's request message. Currently, if no
protocol is selected, the server is responding with a DialectIndex=zero,
which is a valid index (PROTOCOL_CORE by default). The Windows spec, and
historically the code, should return DialectIndex=0xffff if no protocol
is chosen. The following commit changed it recently (presumably
inadvertently), so that it now returns DialectIndex=zero.
06940155f3 s3:smbd: Fix size types in reply_negprot()
This results in somewhat confusing error messages on the client side:
ERROR(runtime): uncaught exception - (3221225997, 'The transport
connection has been reset.')
or, when signing is configured as mandatory:
smbXcli_negprot: SMB signing is mandatory and the selected protocol
level (1) doesn't support it.
ERROR(runtime): uncaught exception - (3221225506, '{Access Denied} A
process has requested access to an object but has not been granted those
access rights.')
This patch restores the old behaviour of returning 0xffff.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13621
Pair-Programmed-With: Ralph Boehme <slow@samba.org>
Signed-off-by: Tim Beale <timbeale@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Replace with a call to files_forall. Why? I just came across this
function that only has one pretty obscure user. This does not justify
a full library function, IMHO at least.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
We should consume all data, and the ndr_pull function fills in all
fields. Thus the ZERO_STRUCT(cookie) is not required.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Signed-off-by: Michael Adam <obnox@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Wed Sep 12 02:05:47 CEST 2018 on sn-devel-144
Cleanup of the internals of unix_convert().
Ensure check_parent_exists() returns this in the non-optimization
case. Ensure unix_convert() initializes dirpath to ".".
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
Almost the same code as in close.c. has_other_nonposix_opens() is a bit
more general, but the purpose is the same.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This has been implicitly initialized to 0 with the explicit struct
initializer above.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
If/else if chains are hard to follow to me. Simplify the code by using
early returns.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
