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Use 'auto' mode as the default for building ceph vfs modules so that an
explicit --enable-cephfs can reliably fail in the absence of required
dependencies.
ref: https://lists.samba.org/archive/samba/2024-August/249569.html
Signed-off-by: Anoop C S <anoopcs@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
Autobuild-User(master): Anoop C S <anoopcs@samba.org>
Autobuild-Date(master): Tue Aug 27 06:18:51 UTC 2024 on atb-devel-224
Signed-off-by: Martin Schwenke <mschwenke@ddn.com>
Reviewed-by: Anoop C S <anoopcs@samba.org>
Autobuild-User(master): Martin Schwenke <martins@samba.org>
Autobuild-Date(master): Thu Aug 22 10:38:09 UTC 2024 on atb-devel-224
Commit d00f20f3 ("vfs_ceph_new: debug-log upon libcephfs low-level
calls") introduced debug-logging before each call to libcephfs low-level
APIs. Unfortunately, one of the logging messages missed the terminating
newline ('\n') character.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15686
Signed-off-by: Shachar Sharon <ssharon@redhat.com>
Reviewed-by: John Mulligan <jmulligan@samba.org>
Reviewed-by: Anoop C S <anoopcs@samba.org>
Autobuild-User(master): Anoop C S <anoopcs@samba.org>
Autobuild-Date(master): Wed Aug 21 14:18:07 UTC 2024 on atb-devel-224
I could not find any caller which uses rap_error outside of the
routine implementing the rap client call itself.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Autobuild-User(master): Martin Schwenke <martins@samba.org>
Autobuild-Date(master): Wed Aug 21 12:49:45 UTC 2024 on atb-devel-224
With renameat2(RENAME_NOREPLACE) being available
it's even better, as we don't even have the short
window where the incomplete directory is visible
to others.
The flow will be this:
tmp_name = ".::TMPNAME:D:$PID:client_name"
mkdirat(tmp_name, mode=client_mode);
prepare_acls(tmp_name);
renameat2(tmp_name, client_name, NOREPLACE);
if (EEXIST) {
unlinkat(tmp_name);
return EEXIST;
}
if (EINVAL) {
/* fallback if NOREPLACE is not supported */
mkdirat(client_name, mode=0);
if (EEXIST) {
unlinkat(tmp_name);
return EEXIST;
}
renameat(tmp_name, client_name);
}
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15693
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
We can use renameat2() without ifdef as libreplace always provides it.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15693
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
This will support renameat2-like operations in future.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15693
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Currently we do this in mkdir_internal():
mkdirat(client_name);
if (EEXIST) {
return EEXIST;
}
prepare_acls(client_name);
Note 'prepare_acls()' is a placeholder for the complex steps
it is doing to prepare the directory. During these steps
we have the problem that other clients already see
the directory and are able to create files or subdirectories
in it and these may not inherit the correct acls as
the their parent directory is not created completely.
I think I found a good strategie even without relying on
renameat2(RENAME_NOREPLACE).
We would do this instead:
tmp_name = ".::TMPNAME:D:$PID:client_name"
mkdirat(tmp_name, mode=client_mode);
prepare_acls(tmp_name);
mkdirat(client_name, mode=0);
if (EEXIST) {
unlinkat(tmp_name);
return EEXIST;
}
renameat(tmp_name, client_name);
So instead of having a long windows during prepare_acls,
we just have a short window between mkdirat(client_name, mode=0)
and renameat(tmp_name, client_name);
And in that short window the directory with the client_name
has a mode of 0, so it's not possible for other clients
to create files or subdirs in it.
As the mkdirat(client_name, mode=0) still catches
EEXIST the race where two clients try to create
the same client_name is closed as before,
so we don't need any other protection.
Following patches will make use of renameat2(RENAME_NOREPLACE),
but this already a very good improvement.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15693
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
We should have preparation steps as close as possible together.
We could move it for files as well, but that's a task for another
day...
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15693
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
All callers which looked at this are gone
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Tue Aug 20 10:57:12 UTC 2024 on atb-devel-224
We are already in the !NT_STATUS_IS_OK if-branch, so this call was
redundant
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
No caller looks at it, and if someone should ever want to return a
more informative error, we now have NTSTATUS
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
If I see it correctly, this case was already covered by checking the
return code of cli_trans() a few lines above.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Not that it matters much, but I want to make cli_api() static in
clirap2.c.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
cli_oem_change_password() returns a bool, net_rap_password must return
0 for success
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
"(rdrcnt < 2)" was wrong, we don't look at rdata but at rparam. Use
"min_rparam" to cli_trans and the fact that if that succeeds "rparam"
is not NULL.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
