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Before we had open_pathref_fsp() we had the stream fsp before the base
fsp in the linked list we traverse for SHUTDOWN_CLOSE.
Now the order has changed. I could have used some DLIST_PROMOTE()
hacks, but that's still fragile.
Now we reference both fsp's via ->base_fsp and ->stream_fsp.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
This allows us to add some more logic for bi-directional linking between
base and stream fsp in the next commits.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
This has already been set a few lines above. The duplicate was the result of
restructuring create_file_unixpath() a few months ago, allocating fsp in
create_file_unixpath() instead of in the callees open_file_ntcreate() or
open_directory() respectively.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
That will be useful in other places as well.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
We should always go through file_free(), which calls fsp_free() at the end.
Most things in file_free() may not apply to all
vfs_default_durable_reconnect() cases, but we want fsp_free() to become
static to files.c
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
The pathref fsp link destructor will set smb_dname->fsp to NULL. Turning this
into an assert to give a hint at readers of the code trying to understand the
mechanics.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
This makes sure we call vfs_remove_all_fsp_extensions() before
fsp_free() is called from within file_free(). And allows us to
make 'fsp_free()' static in the next commits.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
In future we may move the reopen logic to the VFS,
but for now we just keep it in one place.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Both callers pass in a helper variable that points to
fsp->fsp_name and it was only used for a debug message,
so we can simply use fsp_str_dgb() instead.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Calling fd_open_atomic() without O_CREAT is the same as calling
fd_openat() directly, so we can also use it to open an existing
directory.
In the next step we'll move the reopen_from_procfd() fallback logic to
a single helper function.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Otherwise we'll always keep the current talloc_stackframe arround.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
It's useful to watch this using: git show --histogram
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
This was only done if fsp->fsp_name already existed, but not the first time.
This also makes sure we modify fsp->fsp_name and fsp->name_hash only on success.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
We also need to be sure both sides were not linked before.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
We only modify smb_fname_src on success.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Ensures temporary DFS share doesn't leave the case parameters set
as zero (i.e.:
conn->case sensitive = 0
conn->share_case_preserve = 0
and default case is lower
which can cause problems doing a DFS_GET_REFERRALS request).
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14612
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Anoop C S <anoopcs@samba.org>
Autobuild-User(master): Anoop C S <anoopcs@samba.org>
Autobuild-Date(master): Wed Jan 13 18:14:31 UTC 2021 on sn-devel-184
Will allow it to be reused in the msdfs temporary share code.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14612
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Anoop C S <anoopcs@samba.org>
This relies on the caller having stat()ed smb_fname instead of relying on
fd_openat() fstat()ing fsp->fsp_name. Otherwise no change in behaviour.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Anoop C S <anoopcs@samba.org>
When we used vfs_fake_fd() we should use vfs_fake_fd_close()
in order to have things symetric.
This makes code easier to understand and may allow us to change
vfs_fake_fd() internally if required.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14596
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
It's a bit shocking how many references we have to global
contexts. Make this a bit more obvious.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Assert this is the case.
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): Fri Dec 18 16:27:38 UTC 2020 on sn-devel-184
Now that all VFS modules support real dirfsps in SMB_VFS_MKDIRAT(), pass the
pathref fsp from the parent directory and the basename of the new directory.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
After the directory has been created by SMB_VFS_MKDIRAT(), open the fsp on the
new directory as pathref fsp so we can use handle based VFS functions.
open_directory() will reopen the fsp as a full fsp, but that doesn't really hurt
thanks to the reopen_from_procfd() optimisation.
Note that smb_dname == fsp->fsp_name.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Prepares for calling SMB_VFS_MKDIRAT() below with a real dirfsp/atname. As
parent_dir_fname now has a pathref fsp in parent_dir_fname->fsp, make sure to
talloc_free() the parent_dir_fname before leaving the function, so the pathref
fsp is closed right there and not left around until the talloc tos is
destroyed (parent_dir_fname is a child of talloc-tos).
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
If the "atname" is an absolute path we can ignore the dirfsp and just return a
copy of the atname.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This is the correct place where this code should be. It also means opaque VFS
modules that implement their own mkdirat() like glusterfs now use this logic.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
SMB_VFS_SYS_ACL_SET_FD() can now safely be used to set default ACLs on
directories.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
No change in behaviour, the new arg is not yet used in any module.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
fd_close() was accidentally added twice by
d00d09fdcf73a5839ae4f82cf8e953bb761bfbfb. If it would have been removed by
5770cdd7635a018817418f58bd37268aedebd6a9 that adds the reopen_from_procfd()
optimisation, all would be fine. But fd_close() still being called before
reopen_from_procfd() means we're closing the pathref fd prevening the
optimisation.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Streamlines closing print files and allows close_normal_file()
to restrict itself to is_fsa fsps.
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
We can't call directly into close_file(), as that cannot deal
with regular file and directory opens where fsp->fsp_flags.is_fsa
hasn't been set to true (uncompleted opens).
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
