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* smbd: Pull mtime handling into open_file_ntcreateVolker Lendecke2013-11-234-38/+23
| | | | | | | | | | | | | | This is a performance improvement for heavily contended files, in particular in a cluster. The separate call to get_file_infos makes us pull the locking.tdb record twice per open. For a contended file this can be a performance penalty, this gets the # of record accesses for the open/close cycle down from 3 to 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): Sat Nov 23 00:40:49 CET 2013 on sn-devel-104
* smbd: Point reply_open at the correct stat structVolker Lendecke2013-11-221-1/+4
| | | | | | | | Not sure if anybody will ever notice this these days, but the same is done in the createfile calls. Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* smbd/open: disable compression with FILE_NO_COMPRESSIONDavid Disseldorp2013-11-221-0/+12
| | | | | | | | Files and directories created with FILE_NO_COMPRESSION should not inherit the compression attribute from their parent directory. Signed-off-by: David Disseldorp <ddiss@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* s3-smbd: support FILE_ATTRIBUTE_COMPRESSEDDavid Disseldorp2013-11-221-0/+47
| | | | | | | | | | The FILE_ATTRIBUTE_COMPRESSED flag is computed based on whether the filesystem exposes the FILE_FILE_COMPRESSION capability, and whether SMB_VFS_GET_COMPRESSION() reports that the file or directory is currently compressed. Signed-off-by: David Disseldorp <ddiss@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* smbd: split out dos_mode debug print functionDavid Disseldorp2013-11-221-12/+31
| | | | | Signed-off-by: David Disseldorp <ddiss@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* smb2/ioctl: add support for FSCTL_[GET/SET]_COMPRESSIONDavid Disseldorp2013-11-221-2/+115
| | | | | | | | | | | In line with MS-FSCC 2.3.47, the FSCTL_SET_COMPRESSION ioctl allows remote SMB2 clients to enable and disable compression on a per-file or per-directory basis. Compression state can be retrieved using the FSCTL_GET_COMPRESSION request. Signed-off-by: David Disseldorp <ddiss@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* vfs: add [GET/SET]_COMPRESSION hooksDavid Disseldorp2013-11-221-0/+21
| | | | | | | | | | | | | | | The VFS interfaces are sychronous, as the operations only modify meta-data. These hooks are dependent on support for transparent compression by the underlying filesystem - vfs_default returns INVALID_DEVICE_REQUEST. Support for other filesystems providing transparent comression, such as Btrfs and ZFS, can be added in future. The get_compression function takes fsp and smb_fname arguments. The smb_fname argument is needed due to the current dosmode() code-path. Signed-off-by: David Disseldorp <ddiss@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* Rename the profile enums with a SAMBA_ prefix to avoid conflict with system ↵Jeremy Allison2013-11-225-20/+20
| | | | | | | | | files. WRITE_FLUSH is defined in fs.h in Linux. Signed-off-by: Jeremy Allison <jra@samba.org> Reviewed-by: David Disseldorp <ddiss@samba.org>
* lib/param: Consolidate code to enable smb signing on the server, always ↵Andrew Bartlett2013-11-221-12/+9
| | | | | | | | | | | | | | | enable on AD DC This uses the code from the source4/ SMB server (the NTVFS smb server) in common, to force SMB Signing to be on when we are an AD DC. Andrew Bartlett Signed-off-by: Andrew Bartlett <abartlet@samba.org> Reviewed-by: David Disseldorp <ddiss@samba.org> Autobuild-User(master): David Disseldorp <ddiss@samba.org> Autobuild-Date(master): Fri Nov 22 13:13:05 CET 2013 on sn-devel-104
* s3-lib: smbclient shows no error if deleting a directory with del failedJeremy Allison2013-11-142-27/+0
| | | | | | | | | BUG: https://bugzilla.samba.org/show_bug.cgi?id=10260 Move dir_check_ftype() to util.c Signed-off-by: Jeremy Allison <jra@samba.org> Reviewed-by: Andreas Schneider <asn@samba.org>
* s3-smbd: smbclient shows no error if deleting a directory with del failedJeremy Allison2013-11-143-5/+5
| | | | | | | | | | BUG: https://bugzilla.samba.org/show_bug.cgi?id=10260 Remove unneeded conn argument to dir_check_ftype(). Move to correct uint32_t types. Signed-off-by: Jeremy Allison <jra@samba.org> Reviewed-by: Andreas Schneider <asn@samba.org>
* smbd: Fix DEBUG in do_break_to_noneVolker Lendecke2013-11-111-8/+6
| | | | | | | | | The name of this function has changed, but the DEBUG statements have not been adapted. This is the case in a lot of our code. With __func__ this problem goes away: __func__ is C99, and we also use it already. Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Michael Adam <obnox@samba.org>
* Fix bug #10229 - No access check verification on stream files.Jeremy Allison2013-11-041-0/+59
| | | | | | | | | | | | | https://bugzilla.samba.org/show_bug.cgi?id=10229 We need to check if the requested access mask could be used to open the underlying file (if it existed), as we're passing in zero for the access mask to the base filename. Signed-off-by: Jeremy Allison <jra@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: David Disseldorp <ddiss@suse.de>
* smbd: Invalidate the session correctly.Jeremy Allison2013-11-041-0/+23
| | | | | | | | When a session is invalidated then we must also ensure it isn't used in any pending requests being processed. Signed-off-by: Jeremy Allison <jra@samba.org> Reviewed-by: Andreas Schneider <asn@samba.org>
* smbd: Support multiple dfs targets for msdfs proxy sharesVolker Lendecke2013-10-311-26/+8
| | | | | Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Björn Jacke <bj@sernet.de>
* s3-rpc_server: Pass the server event context to np_open().Andreas Schneider2013-10-291-0/+1
| | | | | Signed-off-by: Andreas Schneider <asn@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
* s3-smbd: Do not declare change_to_root_user() twice.Andreas Schneider2013-10-291-1/+0
| | | | | | | This is already in include/proto.h for smbd_shim. Signed-off-by: Andreas Schneider <asn@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
* s3-smbd_shim: Add become_authenticated_pipe_user().Andreas Schneider2013-10-293-4/+6
| | | | | Signed-off-by: Andreas Schneider <asn@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
* smb2_ioctl: add support for FSCTL_SRV_COPYCHUNK_WRITEDavid Disseldorp2013-10-251-10/+34
| | | | | | | | | | | FSCTL_SRV_COPYCHUNK can only be used when the client has the copy-chunk target file open with FILE_WRITE_DATA and FILE_READ_DATA. FSCTL_SRV_COPYCHUNK_WRITE requires only FILE_WRITE_DATA access on the target, and is therefore suitable for cp --reflink, which opens the target file O_WRONLY. Signed-off-by: David Disseldorp <ddiss@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* Revert "smbd: Move oplock/sharemode ops into one place"Volker Lendecke2013-10-251-3/+10
| | | | | | | | | | | | | This reverts commit 7b70fa18734d9ceb020fe3e5d4cc0c26cd27a484. This is a change in behaviour which needs much further investigation and testing. Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: David Disseldorp <ddiss@samba.org> Autobuild-User(master): David Disseldorp <ddiss@samba.org> Autobuild-Date(master): Fri Oct 25 14:22:20 CEST 2013 on sn-devel-104
* Revert "smbd: Move oplock handling together"Volker Lendecke2013-10-251-7/+7
| | | | | | | | | | This reverts commit e689b7d51e6ffd848ab10e160dca2c3a03fc750b. This is a change in behaviour which needs much further investigation and testing. Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: David Disseldorp <ddiss@samba.org>
* smbd: Move oplock handling togetherVolker Lendecke2013-10-241-7/+7
| | | | | | | Later on we will have all the oplock/sharemode operations in one routine. Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: David Disseldorp <ddiss@samba.org>
* smbd: Move oplock/sharemode ops into one placeVolker Lendecke2013-10-241-10/+3
| | | | | | | | | This makes the is_stat_open special case in grant_fsp_oplock_type redundant because in open_file_ntcreate further up we have already set oplock_request to NO_OPLOCK for stat opens. Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: David Disseldorp <ddiss@samba.org>
* smbd: Remove separate oplock_type parameter from set_file_oplockVolker Lendecke2013-10-244-7/+6
| | | | | | | | This avoids the question where it could happen that something else but fsp->oplock_type might be useful as an argument here. Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: David Disseldorp <ddiss@samba.org>
* smbd: Unify parameters to set_oplock_typeVolker Lendecke2013-10-241-1/+1
| | | | | | | | | | Some lines above we set fsp->oplock_type = e->op_type. I don't see how this might have changed. This change will unify both callers of set_file_oplock. In the next step the second parameter to set_file_oplock will be removed. Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: David Disseldorp <ddiss@samba.org>
* smbd: Make release_file_oplock staticVolker Lendecke2013-10-242-2/+1
| | | | | Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: David Disseldorp <ddiss@samba.org>
* smbd: Use remove_oplock() in close_normal_fileVolker Lendecke2013-10-241-1/+1
| | | | | | | | | | | remove_oplock is a wrapper around release_file_oplock. This streamlines the exports of oplock.c a bit. Reason for this patch: In a later patch I will add functionality to remove_oplock that is required in close_normal_file as well. Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: David Disseldorp <ddiss@samba.org>
* Fix bug 10196 - RW Deny for a specific user is not overriding RW Allow for a ↵Jeremy Allison2013-10-241-38/+41
| | | | | | | | | | | | | | | group. When the ID returned is ID_TYPE_BOTH we must *always* add it as both a user and a group, not just in the owning case. Otherwise DENY entries are not correctly processed. Confirmed by the reporter as fixing the problem. Bug: https://bugzilla.samba.org/show_bug.cgi?id=10196 Signed-off-by: Jeremy Allison <jra@samba.org> Reviewed-by: David Disseldorp <ddiss@samba.org>
* smbd: Remove MSG_SMB_ASYNC_LEVEL2_BREAKVolker Lendecke2013-10-231-84/+0
| | | | | Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
* smbd: Use MSG_SMB_BREAK_REQUEST for async l2 breaksVolker Lendecke2013-10-231-2/+10
| | | | | | | | | Now that we transmit the level we want to break to via the msg.op_type we can unify MSG_SMB_BREAK_REQUEST and MSG_SMB_ASYNC_LEVEL2_BREAK and thus simplify the code a bit. Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
* smbd: Fix breaking level2 on OVERWRITE create_dispositionVolker Lendecke2013-10-231-0/+11
| | | | | | | This is shown by the new raw.oplock.level_ii_1 test Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
* smbd: Fix raw.batch.exclusive[59]Volker Lendecke2013-10-232-10/+29
| | | | | | | | | | | | | | | The level we have to break to depend on the breakers create_disposition: If we overwrite, we have to break to none. This patch overloads the "op_type" field in the break message we send across to the smbd holding the oplock with the oplock level we want to break to. Because it depends on the create_disposition in the breaking open, only the breaker can make that decision. We might want to use a different mechanism for this in the future, but for now using the op_type field seems acceptable to me. Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
* smbd: Remove unused "mid" from delay_for_oplockVolker Lendecke2013-10-231-3/+2
| | | | | Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
* smbd: Don't send op_mid in a BREAK messageVolker Lendecke2013-10-231-5/+3
| | | | | | | The callee doesn't use this anyway Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
* smbd: Simplify send_break_messageVolker Lendecke2013-10-231-4/+4
| | | | | | | We don't need an fsp here Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
* smbd: Remove unused "oplock_request" arg from send_break_messageVolker Lendecke2013-10-231-5/+4
| | | | | Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
* smbd: validate oplock types even for internal and stat opensVolker Lendecke2013-10-231-18/+3
| | | | | | | | There's no reason why we should not do this. This has turned into a pure internal consistency check that should apply fine every time. Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
* smbd: Fix bug 10216Volker Lendecke2013-10-231-4/+28
| | | | | | | | | | While refactoring find_oplock_types to validate_oplock_types I forgot that stat opens will end up in locking.tdb. So even with a batch oplock around we can have more than one entry. This means the consistency check in validate_oplock_types was wrong and too strict. Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
* s3:smbd: use new function cluster_probe_ok()Michael Adam2013-10-171-9/+3
| | | | | Signed-off-by: Michael Adam <obnox@samba.org> Reviewed-by: Volker Lendecke <vl@samba.org>
* smbd/winbindd: Do an early check if ctdbd is functionalVolker Lendecke2013-10-171-0/+11
| | | | | | | | | This will avoid panic calls when smbd and winbind is started in cluster mode before ctdb is functional. It still logs something sane at debug level 0, but it does not panic and core anymore. Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Michael Adam <obnox@samba.org>
* smbd: Simplify open_file_ntcreateVolker Lendecke2013-10-161-32/+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
* smbd: Remove "file_existed" handling from open_mode_checkVolker Lendecke2013-10-161-12/+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>
* smbd: Decouple grant_fsp_oplock_type from oplock validationVolker Lendecke2013-10-161-27/+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>
* smbd: Reduce the complexity of open_file_ntcreateVolker Lendecke2013-10-161-24/+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>
* smbd: Make find_oplock_types return boolVolker Lendecke2013-10-151-15/+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>
* smbd: Make loop index type match loop limitVolker Lendecke2013-10-151-1/+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>
* smbd: Unify delay_for_*_oplocksVolker Lendecke2013-10-151-45/+13
| | | | | | | This is the same code in both routines Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Michael Adam <obnox@samba.org>
* smbd: Simplify find_oplock_types a bitVolker Lendecke2013-10-151-6/+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>
* smbd:smb2: fix crash when smb2 session reauth failsMichael Adam2013-10-151-3/+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>
* smbd: Inline break_level2_to_none_asyncVolker Lendecke2013-10-151-38/+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
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