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Commit Graph

257 Commits

Author SHA1 Message Date
Jeremy Allison
306783d6f5 lib: modules: Change XXX_init interface from XXX_init(void) to XXX_init(TALLOC_CTX *)
Not currently used - no logic changes inside.

This will make it possible to pass down a long-lived talloc
context from the loading function for modules to use instead
of having them internally all use talloc_autofree_context()
which is a hidden global.

Updated all known module interface numbers, and added a
WHATSNEW.

Signed-off-by: Jeremy Allison <jra@samba.org>
Signed-off-by: Ralph Böhme <slow@samba.org>

Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Sat Apr 22 01:17:00 CEST 2017 on sn-devel-144
2017-04-22 01:17:00 +02:00
Ralph Boehme
3031815f98 s3/vfs: remove now unused is_offline/set_offline VFS functions
The previous commit removed all callers of this, so lets remove it.

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>

Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Tue Oct 11 14:44:03 CEST 2016 on sn-devel-144
2016-10-11 14:44:01 +02:00
Jeremy Allison
da9b7056fc s3: VFS: Add bool use_ofd_locks member to struct files_struct.
Not yet used. We will set this if we translate a process-associated
lock operation to a open file description lock operation.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Jeff Layton <jlayton@samba.org>
2016-05-21 01:28:28 +02:00
Michael Adam
3564873457 s3:vfs: add 'kernel_share_modes_taken' to files_struct
This will allow to track whether kernel share modes have been
taken at open and correclty remove them again on close.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=11919

Signed-off-by: Michael Adam <obnox@samba.org>
Reviewed-by: Christian Ambach <ambi@samba.org>
2016-05-18 23:01:17 +02:00
Christof Schmitt
d18a0ff9cb vfs: Add helper to check for missing VFS functions
Some VFS modules want to ensure that they implement all VFS functions.
This helper can be used to detect missing functions in the developer
build.

Signed-off-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2016-04-06 00:15:17 +02:00
Richard Sharpe
a4e6250442 s3: vfs: Add VFS functions for setting and getting DOS attributes.
This will make it easier to support those systems and file systems that
can store DOS attributes. It should retain the original functionality if
VFS functions providing these things are not provided.

Signed-off-by: Richard Sharpe <rsharpe@samba.org>
Signed-off-by: Jeremy Allison <jra@samba.org>
2016-03-27 05:57:17 +02:00
Jeremy Allison
2e302d7007 s3: smbd: Add uint32_t flags field to struct smb_filename.
Only one defined flag for now, SMB_FILENAME_POSIX_PATH.
Define as the same as FSP_POSIX_FLAGS_PATHNAMES to keep
the value consistent.

Set this inside unix_convert() when a posix path parse
is selected.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Uri Simchoni <uri@samba.org>
2016-03-24 22:57:16 +01:00
Jeremy Allison
f4b4872982 s3: smbd: Change open_streams_for_delete() to take a struct smb_filename *.
Prepare for changing vfs_streaminfo to do the same.

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): Mon Mar  7 21:12:56 CET 2016 on sn-devel-144
2016-03-07 21:12:56 +01:00
Jeremy Allison
8b4a38b4c9 VFS: Modify lchown to take a const struct smb_filename * instead of const char *
Preparing to reduce use of lp_posix_pathnames().

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
2016-03-05 09:39:18 +01:00
Jeremy Allison
d1f26bc432 VFS: Modify chown to take a const struct smb_filename * instead of const char *
Preparing to reduce use of lp_posix_pathnames().

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
2016-03-05 09:39:18 +01:00
Michael Adam
8e870dd121 vfs: remove an outdate comment from the files_struct definition
Leases are implemented since a while...

Signed-off-by: Michael Adam <obnox@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>

Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Thu Mar  3 12:16:47 CET 2016 on sn-devel-144
2016-03-03 12:16:47 +01:00
Jeremy Allison
8e88b9783d VFS: Modify chmod_acl to take a const struct smb_filename * instead of const char *
Preparing to reduce use of lp_posix_pathnames().

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
2016-03-03 09:04:14 +01:00
Jeremy Allison
ac8fba6ef7 VFS: Modify chmod to take a const struct smb_filename * instead of const char *
Preparing to reduce use of lp_posix_pathnames().

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
2016-03-03 09:04:14 +01:00
Ralph Boehme
9892809233 s3/vfs: add duration to vfs_aio_state
This will be used in the aio backends to pass the competion time of the
async request in the backend.

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2016-03-02 01:22:13 +01:00
Ralph Boehme
3884a66e17 s3/vfs: wrap async io function args inside struct vfs_aio_state
Subsequent commits that are going to track aio request duration in the
aio backends will use this.

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2016-03-02 01:22:13 +01:00
Jeremy Allison
c74ae37fe6 VFS: Modify opendir to take a const struct smb_filename * instead of const char *
Preparing to reduce use of lp_posix_pathnames().

Uses the same techniques as commit 616d068f0c
(synthetic_smb_fname()) to cope with modules that
modify the incoming pathname.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
2016-03-01 15:25:22 +01:00
Jeremy Allison
cd1335e67d VFS: Modify rmdir to take a const struct smb_filename * instead of const char *
Preparing to reduce use of lp_posix_pathnames().

Uses the same techniques as commit 616d068f0c
(synthetic_smb_fname()) to cope with modules that
modify the incoming pathname.

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): Thu Feb 25 20:46:49 CET 2016 on sn-devel-144
2016-02-25 20:46:49 +01:00
Jeremy Allison
873df9a8a5 s3: VFS: Modify mkdir to take a const struct smb_filename * instead of const char *
Preparing to reduce use of lp_posix_pathnames().

Uses the same techniques as commit 616d068f0c
(synthetic_smb_fname()) to cope with modules that
modify the incoming pathname.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Uri Simchoni <uri@samba.org>

Autobuild-User(master): Uri Simchoni <uri@samba.org>
Autobuild-Date(master): Wed Feb 24 16:05:55 CET 2016 on sn-devel-144
2016-02-24 16:05:55 +01:00
Jeremy Allison
616d068f0c s3: VFS: Modify SMB_VFS_GET_NT_ACL to take a const struct smb_filename * instead of const char *
Bumps VFS version to 35.

Preparing to reduce use of lp_posix_pathnames().

Most of this is boilerplate, the only subtleties are in
the modules:

vfs_catia.c
vfs_media_harmony.c
vfs_shadow_copy2.c
vfs_unityed_media.c

Where the path is modified then passed to SMB_VFS_NEXT_GET_NT_ACL().
In these cases the change uses synthetic_smb_fname() to
create a new struct smb_filename from the modified path.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <rb@sernet.de>
2016-02-16 19:59:24 +01:00
Uri Simchoni
c464b9e460 vfs: add path parameter to get_quota
Adding a path parameter would allow the VFS get_quota
function to be used for determining the quota/usage
when calculating size and free spacei.

Signed-off-by: Uri Simchoni <uri@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
2016-01-26 15:58:12 +01:00
Jeremy Allison
4587d83f07 s3: smbd: VFS change. Add new field bool posix_pathnames into struct smb_request.
Initialize from lp_posix_pathnames() global.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Volker Lendecke <Volker.Lendecke@SerNet.DE>
2015-12-23 18:23:17 +01:00
Ralph Boehme
58bebcb4bc smbd: file_struct: factor out POSIX pathname processing out of POSIX open
Factor out another POSIX cabability from file_struct.posix_flags
FSP_POSIX_FLAGS_OPEN.

Places that still use FSP_POSIX_FLAGS_OPEN when dealing with pathnames
can be converted later, because for the time being we always set
FSP_POSIX_FLAGS_ALL in file_struct.posix_flags.

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2015-12-23 07:36:19 +01:00
Ralph Boehme
0583d5b741 vfs: remove posix_flags hack, bump interface version to 34
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>

Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Tue Dec  1 23:48:37 CET 2015 on sn-devel-104
2015-12-01 23:48:37 +01:00
Ralph Boehme
bf1957584e s3:smbd: file_struct: seperate POSIX directory rename cap from POSIX open
We need more fine grained control over which POSIX semantics we'd like
to enable per file handle. Currently POSIX_FLAGS_OPEN is a kitchensink
for all kinds of stuff like:

- POSIX unlink
- POSIX byte-range locks
- POSIX rename
- delayed writetime update
- more...

For CIFS UNIX extensions we use POSIX_FLAGS_ALL so semantics are
preserved. OS X clients will enable POSIX rename via AAPL.

Bug: https://bugzilla.samba.org/show_bug.cgi?id=11065

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2015-12-01 20:45:20 +01:00
Ralph Boehme
d698cec1c7 s3:smbd: convert file_struct.posix_open to a bitmap with flags
This is in preperation of a more fine grained control of POSIX behaviour
in the SMB and VFS layers.

Inititally we use an uint8_t for the flags bitmap and add a define
posix_flags as posix_open in order to avoid breaking the VFS ABI.

Bug: https://bugzilla.samba.org/show_bug.cgi?id=11065

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2015-12-01 20:45:20 +01:00
Volker Lendecke
70283ffd38 smbd: Remove SMB_VFS_NOTIFY_WATCH
No longer needed

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2015-07-07 23:51:24 +02:00
Ralph Boehme
de4304d22b smb2:ioctl: support for OS X AAPL copyfile style copy_chunk
Apple's special copy_chunk ioctl that requests a copy of the whole file
along with all attached metadata.

These copy_chunk requests have a chunk count of 0 that we translate to a
copy_chunk_send VFS call overloading the parameters src_off = dest_off =
num = 0.

Bug: https://bugzilla.samba.org/show_bug.cgi?id=11317

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
2015-06-23 11:45:23 +02:00
Richard Sharpe
250df86ac0 Change all uses of uint32 to uint32_t in vfs.h. This is part of a general cleanup if people approve. This time around get both vfs.h and vfs.c and all instances of uint8, uint16 and uint32.
Signed-off-by: Richard Sharpe <rsharpe@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2015-05-12 01:32:12 +02:00
David Disseldorp
67ee428467 vfs: add snapshot create/delete hooks
This change adds three new VFS hooks covering snapshot manipulation:
- snap_check_path
  Check whether a path supports snapshots.
- snap_create
  Request the creation of a snapshot of the provided path.
- snap_delete
  Request the deletion of a snapshot.

These VFS call-outs will be used in future by Samba's File Server Remote
VSS Protocol (FSRVP) server.

MS-FSVRP states:
  At any given time, Windows servers allow only one shadow copy set to
  be going through the creation process.
Therefore, only provide synchronous hooks for now, which can be
converted to asynchronous _send/_recv functions when the corresponding
DCE/RPC server infrastructure is in place.

Signed-off-by: David Disseldorp <ddiss@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2015-03-31 18:40:24 +02:00
David Disseldorp
47f15b14ae system: add hole punch support to sys_fallocate()
If Samba is configured with FALLOC_FL_PUNCH_HOLE support, then allow
sys_fallocate() to propogate the flag to syscall invocation.

Signed-off-by: David Disseldorp <ddiss@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2015-03-09 21:27:07 +01:00
David Disseldorp
12c0b6bf40 s3/vfs: change fallocate mode flags from enum->uint32_t
The Linux fallocate syscall offers a mode parameter which can take the
following flags:
FALLOC_FL_KEEP_SIZE
FALLOC_FL_PUNCH_HOLE (since 2.6.38)
FALLOC_FL_COLLAPSE_RANGE (since 3.15)
FALLOC_FL_ZERO_RANGE (since 3.14)

The flags are not exclusive, e.g. FALLOC_FL_PUNCH_HOLE must be specified
alongside FALLOC_FL_KEEP_SIZE.

Samba currently takes a vfs_fallocate_mode enum parameter for the VFS
fallocate hook, taking either an EXTEND_SIZE or KEEP_SIZE value. This
commit changes the fallocate hook such that it accepts a uint32_t flags
parameter, in preparation for PUNCH_HOLE and ZERO_RANGE support.

Signed-off-by: David Disseldorp <ddiss@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2015-03-09 21:27:07 +01:00
David Disseldorp
693ba266c7 s3/vfs: bump interface version number to 33
The SMB_VFS_DISK_FREE() small_query parameter removal cleanup will not
be merged for Samba 4.2, so the master SMB_VFS_INTERFACE_VERSION number
should be bumped above what's currently present in the 4.2 branch.

Signed-off-by: David Disseldorp <ddiss@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2015-02-18 23:03:11 +01:00
David Disseldorp
41c4666a72 s3/vfs: remove unused SMB_VFS_DISK_FREE() small_query parameter
The small_query parameter for SMB_VFS_DISK_FREE() was, prior to the
previous commit, used to obtain 16-bit wide free-space information for
the deprecated dskattr SMB_COM_QUERY_INFORMATION_DISK command.

With the dskattr handler now performing the 16-bit collapse directly,
the small_query parameter can be removed from the entire code path.

Signed-off-by: David Disseldorp <ddiss@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>

Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Tue Feb 17 05:37:20 CET 2015 on sn-devel-104
2015-02-17 05:37:20 +01:00
Ralph Boehme
142db4048f s3:vfs: add create tags to SMB_VFS_CREATEFILE
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2014-12-04 22:11:07 +01:00
Ralph Boehme
b65e37dc01 s3:vfs: add SMB_VFS_READDIR_ATTR()
SMB_VFS_READDIR_ATTR is a last minute hook to fetch additional metadata
for a directory entry when we're already marshalling the SMB reply
buffer.

This would be used, when there's a need to repurpose some fields in the
the reply, like it's done with Apple's SMB2 extension "AAPL".

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2014-12-04 22:11:07 +01:00
Stefan Metzmacher
7ca8785cae s3:vfs.h: add more elements to struct fsp_lease
We'll need a reference to the smbd_server_connection as well
as a timeout handler.

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2014-12-04 05:45:09 +01:00
Jeremy Allison
aa2a6c7b18 s3: smbd: Preparation for leases code merge. Ensure VFS is ready for 4.2.0.
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>

Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Fri Oct 10 02:55:53 CEST 2014 on sn-devel-104
2014-10-10 02:55:52 +02:00
Volker Lendecke
1057240733 brlock: Do auto-cleanup at conflict time
This avoids the need to do sweeping validate_lock_entries calls

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2014-08-23 00:24:18 +02:00
Volker Lendecke
446de4f680 vfs3: Pass "lease" through SMB_VFS_CREATE_FILE
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2014-08-11 21:11:16 +02:00
Stefan Metzmacher
6669a84ad0 s3:smbd: remember smbXsrv_connection for each smb_request
This prepares the structures for multi-channel support.

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
2014-08-06 09:51:12 +02:00
Volker Lendecke
6f8fd3d5ab smbd: Remove unused blocking_lock_record* from VFS_BRL_CANCEL_WINDOWS
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2014-07-04 06:31:16 +02:00
Volker Lendecke
b08fe2d98d smbd: Remove unused blocking_lock_record* from VFS_BRL_LOCK_WINDOWS
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2014-07-04 06:31:16 +02:00
David Disseldorp
d8d5d4c742 vfs: add [GET/SET]_COMPRESSION hooks
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>
2013-11-22 08:56:45 -08:00
Volker Lendecke
f52a3c3cd1 smbd: Remove the unused fsp->pending_break_messages array
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2013-04-26 15:17:22 -07:00
Stefan Metzmacher
ae1cb5ca04 s3:smbd: s/struct timed_event/struct tevent_timer
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
2013-02-19 23:47:56 +01:00
David Disseldorp
ef00eb90e5 s3-vfs: add copy_chunk vfs hooks
copy_chunk copies n bytes from a source file at a specific offset to a
destination file at a given offset. This interface will be used in
handling smb2 FSCTL_SRV_COPYCHUNK ioctl requests.

Use a pread/pwrite loop in vfs_default, so that requests referring to
the same src and dest file are possible.

Provide send and receive hooks for copy chunk VFS interface, allowing
asynchronous behaviour.

Check whether the request source offset + length exceeds the current
size. Return STATUS_INVALID_VIEW_SIZE under such a condition, matching
Windows server behaviour.

Reviewed by: Jeremy Allison <jra@samba.org>
2013-01-16 23:15:06 +01:00
Jeremy Allison
4983d5838a Add uint32_t share_access to vuid_cache_entry.
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
2013-01-09 15:28:48 +11:00
Jeremy Allison
7d90ae123a Clean up struct connection_struct, make struct vuid_cache a pointer not inline.
Change VFS ABI to 31 for 4.1.0.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
2013-01-09 15:28:45 +11:00
Andrew Bartlett
1f36ec1293 vfs: Remove type parameter from sys_acl_blob_get_{fd,file}
This interface actually needs to match the get_nt_acl interface in
that the system ACL implmenetation may not be posix ACLs, and the blob
is not meant to be enforced to be of a particular system ACL
structure.

Andrew Bartlett
2012-10-11 12:25:11 +11:00
Andrew Bartlett
c8ade07760 smbd: Add mem_ctx to {f,}get_nt_acl VFS call
This makes it clear which context the returned SD is allocated on, as
a number of callers do not want it on talloc_tos().

As the ACL transformation allocates and then no longer needs a great
deal of memory, a talloc_stackframe() call is used to contain the
memory that is not returned further up the stack.

Andrew Bartlett
2012-10-11 12:25:11 +11:00