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We cannot free ‘enc’ — it may be a copy of ‘buffer’, in which parameter
both construct_reply_chain() and smb_request_done() pass arrays of
automatic storage duration!
Fixes CID 1505354.
This reverts commit a395f752f0.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Together with the "dosmode | FILE_ATTRIBUTE_ARCHIVE" a line below this
is more obvious to me.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
To me these macros hide more than they clarify. In a lot of places we
already directly check for these flags without those macros. Unify
that.
Also, check for the dosmode bits first, lp_map_* is a bit more effort
to evaluate.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
If the client requested FILE_OVERWRITE[_IF], we're implicitly adding
FILE_WRITE_DATA to the open_access_mask in open_file_ntcreate(), but for the
access check we're using access_mask which doesn't contain the additional
right, which means we can end up truncating a file for which the user has
only read-only access via an SD.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15439
Signed-off-by: Ralph Boehme <slow@samba.org>
In the fd_close() fsp->fsp_flags.fstat_before_close code path.
If this is a stream and delete-on-close was set, the
backing object (an xattr from streams_xattr) might
already be deleted so fstat() fails with
NT_STATUS_NOT_FOUND. So if fsp refers to a stream we
ignore the error and only bail for normal files where
an fstat() should still work. NB. We cannot use
fsp_is_alternate_stream(fsp) for this as the base_fsp
has already been closed at this point and so the value
fsp_is_alternate_stream() checks for is already NULL.
Remove knownfail.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=15487
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Tue Oct 10 09:39:27 UTC 2023 on atb-devel-224
Indicate BACKUP_INTENT to vfs_openat(). Why? I have a customer request
who wants to add O_NOATIME in this case to avoid metadata updates when
a backup or virus-checking application comes along.
This does not fully handle BACKUP_INTENT correctly, this would require
become_root() appropriately. We might want to do that later after a
lot of careful security audit, but this patch independently might
already provide some infrastructure for it.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Thu Oct 5 14:00:33 UTC 2023 on atb-devel-224
We want to pass BACKUP_INTENT down into reopen_from_fsp, and the
elegant way is to do this via vfs_open_how.resolve.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
This needs close review. I could not see where we were actually
referencing the original flags in a way that would not be available in
local_flags. The reason for this patch is that I want to pass in
vfs_open_how into open_file(), and the distinction between flags and
local_flags made this significantly harder to understand for me.
The only place where we really used both versions is the DBG_NOTICE in
the last hunk, and this will come back in the next patch.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Move adding O_RDWR before the check for read only shares. I haven't
been able to pass this condition through SMB, but in any case we
should not accidentially open with O_RDWR in the !CAN_WRITE(conn)
case.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Simplify an if-condition:
We have to return NT_STATUS_OBJECT_NAME_INVALID even if we're not
creating. In fact, we probably should not end up in open_file() if
we're open a Windows file with a wildcard.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
We handle O_TRUNC further down anyway by passing local_flags&~O_TRUNC to
reopen_from_fsp(). No need for this FIFO special case.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
We use the plain (flags&O_TRUNC) a few lines above, make the
if-condition a bit more readable.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
We can unconditionally just and-out O_CREAT from local_flags, so
remove an if-condition.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
This will be part of a const struct vfs_open_how soon. Further down in
this function we don't look at O_CREAT or O_EXCL of "flags" anymore
anyway.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
We directly look at the flags in many other places in this function,
so do this also for O_ACCMODE for clarity.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Replace "truncating" variable reference with what it was defined
as. We use "(flags & O_TRUNC)" a few lines above, so it can't be that
bad.
After we set it to "false" further down, it was never used again.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Copy the logic from store_smb2_posix_info() to allow use of
ndr_push_smb3_file_posix_information().
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
‘tm’ must be initialized prior to calling strptime().
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Always offer it, it's a client thing to ask for it or not.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Thu Sep 21 17:43:23 UTC 2023 on atb-devel-224
Matches file and directory closes.
Remove knownfail.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15423
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Wed Sep 20 02:43:18 UTC 2023 on atb-devel-224
Make this DEVELOPER-only as it walks the entire open
file list on every file close (with associated aio).
This helps catch really subtle problems with orphaned
aio lnk structs.
Reproducer test case to follow.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15423
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
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): Tue Sep 19 19:51:47 UTC 2023 on atb-devel-224
