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2013-10-16smbd: Simplify open_file_ntcreateVolker Lendecke1-32/+39
Only one call to delay_for_oplocks left. Metze showed me the new logic: BATCH is broken if we have a sharing violation. Exclusive is broken otherwise. That's it. 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): Wed Oct 16 02:51:53 CEST 2013 on sn-devel-104
2013-10-16smbd: Remove "file_existed" handling from open_mode_checkVolker Lendecke1-12/+16
No clue what this does. In open_directory, "dir_existed" is not used after open_mode_check. In open_file_ntcreate it's used, but I can't think of a case right now where we would find a formerly nonexisting file to exist suddenly. Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Michael Adam <obnox@samba.org>
2013-10-16smbd: Decouple grant_fsp_oplock_type from oplock validationVolker Lendecke1-27/+26
This makes grant_fsp_oplock_type independent from the values computed in validate_oplock_types. It *might* make oplock calculation a bit slower for heavily shared files, as we are walking the share mode array twice. But we are doing so much stuff in open that I doubt the difference is measurable. It clears up the code for me however, and I think that's worth it. Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Michael Adam <obnox@samba.org>
2013-10-16smbd: Reduce the complexity of open_file_ntcreateVolker Lendecke1-24/+40
This removes two variables in open_file_ntcreate based on the observation that for exclusive and batch oplocks there can only be one entry. So in these cases we don't need to keep pointers from find_oplock_types to delay_for_oplocks. We can just reference the only share mode entry around. Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Michael Adam <obnox@samba.org>
2013-10-15smbd: Make find_oplock_types return boolVolker Lendecke1-15/+27
smb_panic() does not take a printf style argument. This improves debug output by easily printing the index that we fell over. Also, doing smb_panic deep down is bad style IMHO. Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Michael Adam <obnox@samba.org>
2013-10-15smbd: Make loop index type match loop limitVolker Lendecke1-1/+1
share_mode_data.num_share_modes is a uint32. 48 bytes less in .o text size for -O3 :-) Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Michael Adam <obnox@samba.org>
2013-10-15smbd: Unify delay_for_*_oplocksVolker Lendecke1-45/+13
This is the same code in both routines Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Michael Adam <obnox@samba.org>
2013-10-15smbd: Simplify find_oplock_types a bitVolker Lendecke1-6/+7
Define a variable to dereference lck->data just once. Believe it or not, this saves a few bytes .o with -O3 :-) Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Michael Adam <obnox@samba.org>
2013-10-15smbd:smb2: fix crash when smb2 session reauth failsMichael Adam1-3/+17
https://bugzilla.samba.org/show_bug.cgi?id=10208 Authentication error in smb2 session reauth invalidates the session. In this case the session must in contrast to successful session setup requests be torn down and live no longer than the request. The talloc move of the session from the global session table to the request ensures that the session setup reply can still be correctly signed, but subsequent requests on the connection don't find a session any more. Pair-Programmed-With: Jeremy Allison <jra@samba.org> Pair-Programmed-With: Stefan Metzmacher <metze@samba.org> Signed-off-by: Michael Adam <obnox@samba.org>
2013-10-15smbd: Inline break_level2_to_none_asyncVolker Lendecke1-38/+32
With the special case for bug 5980 in do_break_to_none we only have one caller: process_oplock_async_level2_break_message. The further goal is to merge process_oplock_async_level2_break_message with process_oplock_break_message. 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 Oct 15 03:42:53 CEST 2013 on sn-devel-104
2013-10-15smbd: Remove a special case for level2 breakVolker Lendecke1-33/+12
With the level2 indicator in brlock.tdb this race condition does not exist anymore Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
2013-10-15smbd: Remove some FAKE_LEVEL_II commentsVolker Lendecke2-8/+3
Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
2013-10-15smbd: Add debugs to brlock.cVolker Lendecke1-0/+6
Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
2013-10-15smbd: Remove FAKE_LEVEL_II_OPLOCKVolker Lendecke3-44/+77
FAKE_LEVEL_II_OPLOCK was an indicator to break level2 oplock holders on write. This information is now being held in brlock.tdb, which makes the FAKE_LEVEL_II_OPLOCK type unnecessary. Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
2013-10-13smbd: Remove unused create_options from open_mode_checkVolker Lendecke1-3/+2
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): Sun Oct 13 14:35:26 CEST 2013 on sn-devel-104
2013-10-13smbd: Remove name_hash param from open_mode_checkVolker Lendecke1-3/+2
This came from delete_on_close handling which was factored out. Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
2013-10-12smbd: Fix the extended *.oplock.doc1 testsVolker Lendecke1-26/+33
We need to check for DELETE_PENDING before the first oplock break 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): Sat Oct 12 01:56:18 CEST 2013 on sn-devel-104
2013-10-09smbd: Fix an error path in open_directoryVolker Lendecke1-0/+1
In open_file_ntcreate we do the del_share_mode on error. We should do it here as well. 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): Wed Oct 9 01:58:55 CEST 2013 on sn-devel-104
2013-10-08smbd: Convert set_share_mode to return bool for successVolker Lendecke1-5/+14
Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
2013-10-06smbd: Convert some dbgtxt to DEBUGVolker Lendecke1-19/+12
Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
2013-10-06smbd: Fix a commentVolker Lendecke1-1/+1
This has been converted from a timed event to an immediate one in e7dab403c0ca6f6 Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
2013-10-06smbd: Fix confusing commentsVolker Lendecke2-4/+2
The brlock-check is done in grant_fsp_oplock_type Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
2013-10-05smbd:smb2: clarify and comment code treating dh2c blob check.Michael Adam1-6/+22
This makes the code that checks for extra create blobs in the case of the dh2c blob look very similar to the corresponding (slightly mode complex) code for the dhnc blob. With this preparation it will be easier and more obvious how to add proper treatment of the lease request blobs when leases get implemented. Signed-off-by: Michael Adam <obnox@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org> Autobuild-User(master): Stefan Metzmacher <metze@samba.org> Autobuild-Date(master): Sat Oct 5 15:56:11 CEST 2013 on sn-devel-104
2013-10-05smbd:smb2: ignore an dhnq blob along with a dhnc in createMichael Adam1-6/+26
This is according to MS-SMB2, 3.3.5.9.7 "Handling the SMB2_CREATE_DURABLE_HANDLE_RECONNECT Create Context" Signed-off-by: Michael Adam <obnox@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
2013-10-05smbd:smb2_create: fix return code for durable handle create blob combinationsMichael Adam1-8/+16
According to MS-SMB2: 3.3.5.9.7 Handling the SMB2_CREATE_DURABLE_HANDLE_RECONNECT Create Context 3.3.5.9.12 Handling the SMB2_CREATE_DURABLE_HANDLE_RECONNECT_V2 Create Context and verified by test results. Signed-off-by: Michael Adam <obnox@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
2013-10-05smbd:smb2: successfully answer a DHnC request when the initial create was DH2QMichael Adam3-7/+18
I.e. the durable reconnect attempt is v1 while the original create was durable v2 including the create guid. Implement this by skipping the create_guid verification when the reconnect request is v1. Signed-off-by: Michael Adam <obnox@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
2013-10-05smbd:smb2_create: add comment about validity of check reconnect blob being ↵Michael Adam1-0/+4
only one With leases this will not be true any more. Signed-off-by: Michael Adam <obnox@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
2013-10-02smbd:smb2: fix error code when the header says the request is signed but we ↵Michael Adam1-1/+1
don't have a sesseion I.e. when the request is a session setup. We replied with ACCESS_DENIED, but windows expects USER_SESSION_DELETED Signed-off-by: Michael Adam <obnox@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org> Autobuild-User(master): Stefan Metzmacher <metze@samba.org> Autobuild-Date(master): Wed Oct 2 22:07:44 CEST 2013 on sn-devel-104
2013-10-02s3:smb2_server: don't rely on the SMB2_HDR_FLAG_SIGNED if signing is requiredStefan Metzmacher1-1/+1
Windows (at least the test suites) may skip the SMB2_HDR_FLAG_SIGNED in a reauth session setup, but still provide a valid signature. Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Michael Adam <obnox@samba.org>
2013-09-21Fix bug 10162 - POSIX ACL mapping failing when setting DENY ACE's from Windows.Daniel Liberman1-1/+1
Fix for ACL problem - not accepting DENY. Code was checking for pointer and not for content. Reviewed-by: Jeremy Allison <jra@samba.org> Reviewed-by: Michael Adam <obnox@samba.org> Autobuild-User(master): Michael Adam <obnox@samba.org> Autobuild-Date(master): Sat Sep 21 05:24:07 CEST 2013 on sn-devel-104
2013-09-11Fix is_legal_name() to not emit character conversion error messages.Jeremy Allison1-12/+8
Using next_codepoint() does the same check, but without the conversion message. Signed-off-by: Jeremy Allison <jra@samba.org> Reviewed-by: Volker Lendecke <vl@samba.org>
2013-09-11smbd: Add brl_num_locks access functionVolker Lendecke1-1/+1
2013-09-11smbd: Fix blank line endingsVolker Lendecke1-6/+6
2013-09-10s3:smbd: ease file server upgrades from 3.6 and earlier with "acl allow ↵Michael Adam1-1/+15
execute aways" 3.6 and earlier allowed open for execution when execute permissions are not present on a file. This has been fixed in Samba 4.0. This patch changes smbd to skip the execute bit from the ACL check in the open code if "acl allow execute always = yes", hence re-establishing the old behaviour in this case. Signed-off-by: Michael Adam <obnox@samba.org> Reviewed-by: Volker Lendecke <vl@samba.org> Reviewed-by: David Disseldorp <ddiss@samba.org>
2013-09-10s3:smb2_find: Return that timestamps do not exist as directoriesChristof Schmitt1-0/+13
When a Windows client receives a large directory listing while querying snapshots, it sends a find request asking for the timestamp as a directory. A Windows server returns NO_SUCH_FILE, so make sure Samba returns the same. Otherwise the client will get confused and display timestamps in the 'previous versions' dialog. Signed-off-by: Christof Schmitt <christof.schmitt@us.ibm.com> Reviewed-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 Sep 10 22:38:51 CEST 2013 on sn-devel-104
2013-09-10s3:smbd/session: Added a routine find_sessions()Shekhar Amlekar2-0/+30
this routine builds a list of sessions from a particular remote machine or user. Reviewed-by: Volker Lendecke <vl@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
2013-09-10s3:smbd/session: add filters to gather_sessioninfo()Shekhar Amlekar1-0/+19
added capability to filter sessions based on remote machine name and user name. Reviewed-by: Volker Lendecke <vl@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
2013-09-06smbd: Slightly simplify do_break_to_noneVolker Lendecke1-2/+1
Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Michael Adam <obnox@samba.org>
2013-09-06smbd: Slightly simplify send_break_messageVolker Lendecke1-2/+1
Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Michael Adam <obnox@samba.org>
2013-09-06smbd: Remove a silly "? true : false"Volker Lendecke1-1/+1
Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Michael Adam <obnox@samba.org>
2013-09-06smbd: Apply some const to message_to_share_mode_entryVolker Lendecke2-2/+2
Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Michael Adam <obnox@samba.org>
2013-09-06smbd: Fix a const warningVolker Lendecke1-1/+1
Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Michael Adam <obnox@samba.org>
2013-09-06smbd: Remove two confusing TALLOC_FREE callsVolker Lendecke1-2/+0
We don't have lck allocated yet at these points. Remove the TALLOC_FREE calls that triggered me looking for the get_share_mode_lock calls. Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Michael Adam <obnox@samba.org>
2013-09-06smbd: Remove unused should_notify_deferred_opensVolker Lendecke2-11/+0
Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Michael Adam <obnox@samba.org>
2013-09-06smbd: Remove FORCE_OPLOCK_BREAK_TO_NONEVolker Lendecke3-17/+4
This flag existed to break an exclusive or batch oplock in just one instead of two steps down to "no oplock" when we did an allocation or file size change. Running raw.oplock against W2k12 differs in this respect from W2k3: W2k12 takes two steps (via level2) to break to none. This removes the special flag that we only had for compatibility with systems older than W2k12... 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): Fri Sep 6 00:47:07 CEST 2013 on sn-devel-104
2013-09-05smbd: Fix breaking level2 on allocateVolker Lendecke1-6/+7
This needs doing even if we don't have strct allocate set. The client should not know that we lied. Fixes smb2.oplock.batch12. Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
2013-09-04smbd: Add a paranoia check to oplock_timeout_handlerVolker Lendecke1-0/+2
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): Wed Sep 4 22:36:24 CEST 2013 on sn-devel-104
2013-09-04smbd: Fix an ancient oplock bugVolker Lendecke1-0/+2
If we get an oplock break response, we forgot to remove the oplock break timeout. Found by stopping raw.oplock.exclusive5 after the 2nd open and watching a debug level 10 log. This amends 08a9de89 from 2007. Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
2013-09-03smbd: Simplify find_oplock_typesVolker Lendecke1-9/+10
Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Michael Adam <obnox@samba.org>
2013-08-28smbd: Correctly return INFO_LENGTH_MISMATCH for smb1Volker Lendecke1-0/+4
This is required if the client offered less buffer than the fixed portion of the info level data requires Bug: https://bugzilla.samba.org/show_bug.cgi?id=10106 Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
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