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Not used for now, that comes in the subsequent commits.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13646
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
fio->created tracks whether a create created a stream.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13646
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Directly unlinking a file with open handles is not good, don't do it.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13646
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Aids in debugging dev/ino mismatch failures in open_file_ntcreate.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13646
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
First step in achieving macOS compliant behaviour wrt to empty streams:
- hide empty streams in streaminfo
- prevent opens of empty streams
This means that we may carry 0-byte sized streams in our streams
backend, but this shouldn't really hurt.
The previous attempt of deleting the streams when an SMB setinfo eof to
0 request came in, turned out be a road into desaster.
We could set delete-on-close on the stream, but that means we'd have to
check for it for every write on a stream and checking the
delete-on-close bits requires fetching the locking.tdb record, so this
is expensive and I'd like to avoid that overhead.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13646
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Ensure any non MS compliant protocol behaviour targetted at supporting
macOS clients are only effective if the client negotiated AAPL.
Currently this only guards the resource fork which only macOS client are
going to use, but subsequent commits add more this at this place.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13646
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This caused all sort of havoc with subsequent SMB request that acted on
the handle of the then deleted backend storage (file or blob, depending
on the used streams module).
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13646
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
macOS SMB server versions supports this since 10.12, so we adapt our
behaviour.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13646
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Since a long time the modules's open function happily returned success
when opening a non existent stream without O_CREAT.
This change fixes it to return -1 and errno=ENOATTR if
o get_ea_value() returns NT_STATUS_NOT_FOUND (eg mapped from
getxattr() = -1, errno=ENOATTR) and
o flags doesn't contain O_CREAT
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13646
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Turns out that there exist AppleDouble files with an extended FinderInfo
entry that includes the xattr marshall buffer, but the count of xattrs
in the buffer is just zero.
We do want to discard this extended FinderInfo entry and convert it to a
simple fixed size FinderInfo entry, so remove the check.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13649
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Signed-off-by: Björn Baumbach <bb@sernet.de>
Reviewed-by: Ralph Boehme <slow@samba.org>
Autobuild-User(master): Björn Baumbach <bb@sernet.de>
Autobuild-Date(master): Thu Oct 11 13:40:27 CEST 2018 on sn-devel-144
Currently the whole conversion is skipped if the FinderInfo entry in the
AppleDouble file is of the default size (ie not containing xattrs).
That also means we never converted FinderInfo from the AppleDouble file
to stream format. This change finally fixes this.
Note that this keeps failing with streams_depot, much like the existing
known-fail of "samba3.vfs.fruit streams_depot.OS X AppleDouble file
conversion". Fixing the conversion to work with vfs_streams_depot is a
task for another day.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13649
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Thu Oct 11 01:30:13 CEST 2018 on sn-devel-144
Call ad_convert_truncate() based on whether the previous call
ad_convert_xattr() returned converted_xattr=true.
Upcoming fixes for a different Samba bug (#13642) will hook into calling
ad_convert_truncate() in other cases, this also prepares for that.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13649
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Used to let the caller know if a conversion has been done. Currently not
used in the caller, that comes next.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13649
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This ensures that the function only acts on AppleDouble files created by
macOS and not AppleDouble files created by us that are already in the
correct format (only using the Resource Fork).
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13649
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
ad_convert_xattr() is the place that triggers the need to move the
resource fork, so it should also call ad_convert_move_reso().
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13649
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Another step in simplifying ad_convert() itself. It means that we may
write to disk twice, but is only ever done once per AppleDouble file.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13649
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This may mean that we mmap twice when we convert an AppleDouble file,
but this is the only sane way to cleanly modularize ad_convert().
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13649
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
We really want the fixed size offset here, not a calculated one. Note
that "ad_getentryoff(ad, ADEID_FINDERI) + ADEDLEN_FINDERI" is equal to
ADEDOFF_RFORK_DOT_UND.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13649
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
We really want the fixed size offset here, not a calculated one. Note
that "ad_getentryoff(ad, ADEID_RFORK)" is equal to ADEDOFF_RFORK_DOT_UND
in this case.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13649
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This may look a little ill-advised as this increases line count, but
the goal here is modularizing ad_convert() itself and making it as slick
as possible helps achieving that goal.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13649
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
The final step in consolidating all conversion related work in
ad_convert(). No change in behaviour.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13649
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
ad_convert() modified it, so let ad_convert() also save it to disk. No
change in behaviour.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13649
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Use the struct adouble member ad_fd instead of passing it as an
argument. Who did that in the first place? :)
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13649
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Subsequent commits will move the mmap() into the subfunctions. This
change just prepares for that.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13649
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
ad_convert_xattr() does the conversion of the xattr data in the
AppleDouble file, so we should update it's size there and should not
defer it to the caller.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13649
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This can later be used to distinguish between macOS created AppleDouble
files and AppleDouble files created by Samba or Netatalk.
macOS: "Mac OS X "
Samba: "Netatalk "
Netatalk: "Netatalk "
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13649
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Thanks to the recent addition of ad_convert_xattr() we now correctly
handle this case.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13649
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
The vfs_gpfs modules uses GPFS API calls that only succeed when using
the module with the GPFS file system. Add an explicit statfs check for
the file system type on connect, to make it obvious when the file system
is missing or not mounted. The check can be skipped by setting
gpfs:check_fstype to 'no'.
Signed-off-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
clang does not recognize "smb_panic" as an "exit()" equivalent
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
This reflects that the event context is also used outside of the server
processes.
The command used for the rename:
find . -name '*.[hc]' -print0 | xargs -0 sed -i 's/server_event_context/global_event_context/'
Signed-off-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13565
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Mon Aug 27 20:23:55 CEST 2018 on sn-devel-144
The original fix for bug 13441 was missing a check that verifies that
fruit_ftruncate() is actually called on a stream.
Follow-up to
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13441
Pair-Programmed-With: Volker Lendecke <vl@samba.org>
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): Thu Aug 23 15:28:48 CEST 2018 on sn-devel-144
Fix a panic if fruit_access_check detects a locking conflict.
do_lock() returns a valid br_lck even in case of a locking conflict.
Not free'ing it leads to a invalid lock order panic later, because
"br_lck" corresponds to a dbwrap lock on brlock.tdb.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13584
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Fix a confusing API: Many places TALLOC_FREE the path where it's not
clear you have to do it.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Finally: use the new dos_mode_at_send() in the directory enumeration
loop. This means that fetching the DOS attributes for directory entries
is done asynchronously with regard to the enumeration loop.
As the DOS attribute is typically read from an extended attribute in the
filesytem, this avoids sequentially blocking on IO. If the IO subsystem
is slow servicing these request, enabling async processing can result in
performance improvements.
A parametric option
smbd:async dosmode = true | false (default: false)
can be used to enable the new async processing.
Simulating slow IO with usleep(5000) in the synchronous and asynchronous
versions of SMB_VFS_GET_DOS_ATTRIBUTES(), the results of enumerating a
directory with 10,000 files are:
smbd:async dosmode = no:
$ time bin/smbclient -U slow%x //localhost/test -c "ls dir\*" > /dev/null
real 0m59.597s
user 0m0.024s
sys 0m0.012s
smbd:async dosmode = yes:
$ time bin/smbclient -U slow%x //localhost/test -c "ls dir\*" > /dev/null
real 0m0.698s
user 0m0.038s
sys 0m0.025s
Performance gains in real world workloads depends on whether the actual
IO requests can be merged and parallelized by the kernel. Without such
wins at the IO layer, the async processing may even be slower then the
sync processing due to the additional overhead.
The following parameters can be used to adapt async processing behaviour
for specific workloads and systems:
aio max threads = X (default: 100)
smbd:max async dosmode = Y (default: "aio max threads" * 2)
By default we have at most twice the number of async requests in flight
as threads provided by the underlying threadpool. This ensures a worker
thread that finishes a job can directly pick up a new one without going
to sleep.
It may be advisable to reduce the number of threads to avoid scheduling
overhead while also increasing "smbd:max async dosmode".
Note that we disable async processing for certain VFS modules in the VFS
connect function to avoid the overhead of triggering the sync fallback
in dos_mode_at_send(). This is done for VFS modules that implement the
sync SMB_VFS_GET_DOS_ATTRIBUTES(), but not the async version (gpfs), and
for VFS modules that don't share a real filesystem where fchdir() can be
used (ceph, gluster). It is disabled for catia, because we realized that
the catia name translation macros used on
fsps (CATIA_FETCH_FSP_[PRE|POST]_NEXT) have a bug (#13547).
We use threadpool = smb_vfs_ev_glue_tp_chdir_safe() and then
pthreadpool_tevent_max_threads(threadpool) to get the number of maximum
worker threads which matches the pool used by the low level
SMB_VFS_GETXATTRAT_[SEND|RECV] implementation in vfs_default.
This is a terrible abstraction leak that should be removed in the future
by maybe making it possible to ask a VFS function which threadpool it
uses, internally suporting chaining so VFS function FOO that internally
uses BAR can forward the question to BAR.
On a hyphotetical system that had a getxattrat(dirfd, path, ...)
syscall and at the same time doesn't support per-thread current working
directories (eg FreeBSD doesn't have the latter) but has support for
per-thread-credentials, pthreadpool_tevent_max_threads() on the
tp_chdir_safe threadpool returns 1.
So when hooking the hyphotetical getxattrat() into the async
SMB_VFS_GETXATTRAT_[SEND|RECV] implementation in an VFS module, the
implementation could use the tp_path_safe threadpool, but the SMB2
layer would use the wrong threadpool in the call to
pthreadpool_tevent_max_threads(), resulting in no parallelism.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
This provides helper functions, which can be used by other modules,
if they don't implement a specific function.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Or the root glue in case we're already root.
Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Ralph Boehme <slow@samba.org>
This will be used to in order to pass down the
impersonation magic from the SMB layer through
the SMB_VFS layer.
This includes the following options:
smbd:force sync user path safe threadpool
smbd:force sync user chdir safe threadpool
smbd:force sync root path safe threadpool
smbd:force sync root chdir safe threadpool
They can be used in order to test the non linux code
path on linux, once we get code that makes full use
of the new infrastructure.
Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Ralph Boehme <slow@samba.org>
This should in future not be used directly, we'll provide
wrapper pools, which will provide impersonation for
path based async calls.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
The define reflects the results of a feature test, not a configure
option.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
For now they just add debugging, but that will change shortly.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Signed-off-by: Timur I. Bakeyev <timur@iXsystems.com>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
Autobuild-User(master): Gary Lockyer <gary@samba.org>
Autobuild-Date(master): Wed Jul 11 08:44:10 CEST 2018 on sn-devel-144
Signed-off-by: Pooja Mahadik <pooja.mahadik@veritas.com>
Reviewed-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Wed Jul 11 02:22:18 CEST 2018 on sn-devel-144
Instead, match vfs_gluster behaviour and require that users explicitly
disable "kernel share modes".
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13506
Signed-off-by: David Disseldorp <ddiss@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Signed-off-by: Timur I. Bakeyev <timur@iXsystems.com>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13436
Signed-off-by: Timur I. Bakeyev <timur@iXsystems.com>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This will be filled with an impersonation wrapper in the next commits.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
These get filled with impersonation wrappers in the following commits.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
We can use become_user_by_fsp()/unbecome_user() as it spans only parts of
the btrfs_offload_write_send() function and never goes async in between.
This may matter if at least one share uses "force user".
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
This can be a local variable as used in most of our tevent_req based
code.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
This matches our naming conventions used for tevent_req based functions.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
The callback and _recv() functions should be called from the same
event context that was passed to the _send() function.
In future the completion pipe should be replaced by
tevent_threaded_context_create()
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Signed-off-by: Swen Schillig <swen@vnet.ibm.com>
Reviewed-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Wed Jun 13 16:29:48 CEST 2018 on sn-devel-144
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): Sat Jun 2 03:03:42 CEST 2018 on sn-devel-144
macOS SMB server uses xattrs as storage backend for streams, directly
exposing xattr get/set characteristics. Setting EOF on a stream to 0
just deletes the xattr as macOS doesn't support 0-byte sized xattrs.
Note that this does not apply to the AFP_AfpInfo and AFP_Resource
streams, they have even stranger semantics and we have other tests
for those.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13441
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): Wed May 30 02:34:29 CEST 2018 on sn-devel-144
full_path_tos avoids the talloc call for most cases; use that instead of
talloc_asprintf.
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): Sat May 26 01:43:09 CEST 2018 on sn-devel-144
Updating the timestamps requires the path to the file, but no stream
information.
Signed-off-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This is returned for a get_winattrs call against a non-gpfs file system.
This can happen for the .. entry when listing a share on the file system
root.
Signed-off-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
We now pass samba3hide(nt4_dc), so remove it from knownfail.
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 May 25 21:29:32 CEST 2018 on sn-devel-144
Now I understand the use of the mask in POSIX ACLs
this extra step is no longer needed.
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Now I understand the use of the mask in POSIX ACLs
this extra step is no longer needed.
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Now I understand the use of the mask in POSIX ACLs
this extra step is no longer needed.
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Now I understand the use of the mask in POSIX ACLs
this extra step is no longer needed.
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Now I understand the use of the mask in POSIX ACLs
this extra step is no longer needed.
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Now I understand the use of the mask in POSIX ACLs
this extra step is no longer needed. If the mkdir
succeeded it's already set the correct mode.
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
This allows accessing the ZFS .snapshots directory where ZFS returns
ENOTSUP when calling acl(".snapshots").
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13175
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): Fri May 18 22:03:21 CEST 2018 on sn-devel-144
