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When turn-on 'log level = 3', sending SIGHUP to samba processes, for
example: smbd parent/children, smbd-notifyd, and smbd-cleanupd. Then
monitor log.smbd in order to parse sighup logs, it looks like the log level
is inconsistent among these processes: smbd parent/children use level 1,
and smbd-notifyd/smbd-cleanupd use level 3.
This patch raises sighup handler's log level from level 1 to level 3, which
is more consistent with smbd-notifyd by Commit 6e5bff80a0 ("s3:notifyd:
Handle sigup in notifyd to reparse smb.conf"), and smbd-cleanupd by Commit
57c1e115ec ("smbd: reopen logs on SIGHUP for notifyd and cleanupd").
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15706
Signed-off-by: Jones Syue <jonessyue@qnap.com>
Reviewed-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Autobuild-User(master): Martin Schwenke <martins@samba.org>
Autobuild-Date(master): Wed Sep 25 01:38:02 UTC 2024 on atb-devel-224
Another leftover from symlinks in posix context to not open an fsp
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
To limit max_workers into 16 bits, cap it at UINT16_MAX (65535, not 65536)
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Noel Power <noel.power@suse.com>
On a cluster we need to use the ctdb controlled database and not
a local secrets.tdb...
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15714
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Fri Sep 20 05:54:43 UTC 2024 on atb-devel-224
This will allow doing tests and make sure using anonymous credentials
doesn't cause false positive results...
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15714
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Regression introduced by 55d98b29eb. D'oh!
We'll add a regression test for this soon,
but for now we want to unblocking testing from the linux
client...
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15639
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Thu Sep 19 21:27:07 UTC 2024 on atb-devel-224
Without this we leave stale sharemode entries around that can lead to all sorts
of havoc.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15624
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
Autobuild-User(master): Günther Deschner <gd@samba.org>
Autobuild-Date(master): Thu Sep 19 19:36:19 UTC 2024 on atb-devel-224
No change in behaviour, except that we now
also call fd_close() if vfs_default_durable_cookie()
failed.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15624
Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Ralph Boehme <slow@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
This demonstrates the dead lock after a durable reconnect failed
because the stat info changed, the file can't be accessed anymore
as we leak the incomplete share mode entry in a still running
process.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15624
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
This allows to simulate durable reconnect failures because the stat
information of the file changed.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15624
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
Can be used to enable printing an error message if tevent event handlers ran
longer then three seconds. Also logs a message with a loglevel of 3 if there
were no events at hall.
Enabled by default with 'log level = 10' or
'smbd profiling level = on'...
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15624
Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Ralph Boehme <slow@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
Next commit adds timestamp variables to trace_state that want to be initialized
with the current time, so moving behind tv we can then just reuse tv for that.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15624
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
By enabling this a process sending a lease break message to another process
holding a lease will start watching that process and if that process didn't
process the lease break within 10 seconds (cf server_id_watch_waited()), we log
a kernel stack backtrace of that process.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15624
Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Ralph Boehme <slow@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
This takes just PID and NODE:PID on a cluster.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15624
Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Ralph Boehme <slow@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
We only do if sys_have_proc_fds() returns true, so it's most likely
linux...
Enabled by default with log level 10...
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15624
Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Ralph Boehme <slow@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
FreeIPA uses own procedure to retrieve keytabs and during the setup of
Samba on FreeIPA client the keytab is already present, only machine
account needs to be set in the secrets database.
'sync machine password to keytab' option handling broke this use case by
always attempting to contact a domain controller and failing to do so
(Fedora bug https://bugzilla.redhat.com/show_bug.cgi?id=2309199).
The original synchronizing machine account password to keytab feature
did not have a mechanism to disable its logic at all.
Signed-off-by: Alexander Bokovoy <ab@samba.org>
Reviewed-by: Pavel Filipenský <pfilipensky@samba.org>
Autobuild-User(master): Alexander Bokovoy <ab@samba.org>
Autobuild-Date(master): Fri Sep 13 13:16:09 UTC 2024 on atb-devel-224
vfs_ceph_new dynamically loads the appropriate libcephfs shared
libraries which means that we don't statically link against it.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15703
Signed-off-by: Anoop C S <anoopcs@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
Replace direct function calls with pointers holding their equivalent
addresses.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15703
Signed-off-by: Anoop C S <anoopcs@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
userperm helpers will switch to function references instead of direct
invocation of APIs. This would mean the matching config structure is
passed to those helpers.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15703
Signed-off-by: Anoop C S <anoopcs@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
This is required to perform the cleanup when fsp extension destructor is
called as part of VFS_REMOVE_FSP_EXTENSION where mount information and
function references are to be used in upcoming changes.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15703
Signed-off-by: Anoop C S <anoopcs@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
vfs_ceph_userperm_new() only need connection structure from handle
for fetching the current unix token. Therefore modify the signature
to accept just handle->conn.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15703
Signed-off-by: Anoop C S <anoopcs@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
Use dlysm() for assigning addresses to already declared libcephfs
low-level API function pointers.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15703
Pair-Programmed-With: Anoop C S <anoopcs@samba.org>
Signed-off-by: Guenther Deschner <gd@samba.org>
Signed-off-by: Anoop C S <anoopcs@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
Declare necessary libcephfs low-level APIs as function pointers to be
assigned with corresponding loadable addresses.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15703
Pair-Programmed-With: Anoop C S <anoopcs@samba.org>
Signed-off-by: Guenther Deschner <gd@samba.org>
Signed-off-by: Anoop C S <anoopcs@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
Use dlopen() to load either of the shared libraries(libcephfs.so or
libcephfs_proxy.so) based on the configuration for 'proxy' module
parameter. Further down the line we will define the required APIs
as function pointers within the config structure.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15703
Pair-Programmed-With: Anoop C S <anoopcs@samba.org>
Signed-off-by: Guenther Deschner <gd@samba.org>
Signed-off-by: Anoop C S <anoopcs@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
Provide early support for consuming yet to come libcephfs proxy[1] for
optimized resource utilization. For better control we make use of an
additional module specific option 'proxy' to specify the intent to load
proxy library. With the default value 'no' a regular cephfs connection
is established. There is also an 'auto' mode which can fall back to the
regular connection if proxy requirements are not met.
[1] https://github.com/ceph/ceph/pull/58376
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15703
Signed-off-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
Consolidate all required configuration related data under a dedicated
structure named vfs_ceph_config. As of now it includes the location of
configuration file, file system name, ceph client user id and mount
related information. This is expected to grow in future with more
details as and when required. Apart from that small cleanups are also
done to make code more robust.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15703
Pair-Programmed-With: Anoop C S <anoopcs@samba.org>
Signed-off-by: Guenther Deschner <gd@samba.org>
Signed-off-by: Anoop C S <anoopcs@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
Refactor the VFS hooks 'create_dfs_pathat_fn' and 'read_dfs_pathat_fn'
in 'vfs_ceph_new.c' to use libcephfs low-level APIs: instead of using
path-based operations (as done in legacy 'vfs_ceph.c') use inode based
operations to create and read msdfs symbolic-links values.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15703
Signed-off-by: Shachar Sharon <ssharon@redhat.com>
Reviewed-by: Anoop C S <anoopcs@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
Autobuild-User(master): Günther Deschner <gd@samba.org>
Autobuild-Date(master): Wed Sep 11 19:09:41 UTC 2024 on atb-devel-224
format_debug_text() still splits up lines with separate write-calls, but
DEBUGADD is something that I would like to get rid of.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
reinit_after_fork() may panic or return an error on failure. When smbd
is started in interactive mode, it ignores the reinit_after_fork()
return status and unconditionally proceeds to smbd_process().
Similarly, if messaging_reinit() fails within reinit_after_fork() then
it will subsequently call ctdb_async_ctx_reinit() if clustering is
enabled.
There's no reason why these errors shouldn't be handled immediately, so
add appropriate error handling.
Found by code inspection; not seen in the wild.
Signed-off-by: David Disseldorp <ddiss@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Autobuild-User(master): David Disseldorp <ddiss@samba.org>
Autobuild-Date(master): Wed Sep 4 09:53:01 UTC 2024 on atb-devel-224
When inherting permissions on the created stream, we call into the VFS to fetch
the streams security descriptor via inherit_access_posix_acl() ->
copy_access_posix_acl() -> SMB_VFS_SYS_ACL_SET_FD() passing the stream fsp which
triggers the assert SMB_ASSERT(!fsp_is_alternate_stream(fsp)) in
vfswrap_sys_acl_set_fd() in vfs_default.
Just passing the base fsp to the VFS fixes this.
vfs_streams_depot which *does use* distinct backend filesystem files for the
streams, currently does not apply permissions to the stream files at all, so the
incomplete behaviour of vfs_streams_depot is not affected by this change.
If in the future someone want to fix this defficiency in vfs_streams_depot, the
module code can use fsp->stream_fsp to base decisions in VFS ops whether the
module should carry out some action.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15695
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): Mon Sep 2 08:55:28 UTC 2024 on atb-devel-224
Commit 53c9269b (vfs_ceph_new: use low-level APIs for symlink/readlink)
introduced readlinkat using libcephfs low-level APIs. However, it does
not handle properly the case where readlinkat operates on empty name
string (see man readlinkat(2)), such as:
fd = openat(dirfd, symname, O_PATH | O_NOFOLLOW, 0);
readlinkat(fd, "", buf, bufsiz);
Handle this special case of readlinkat with empty name string by using
a reference to the symlink inode itself.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15686
Signed-off-by: Shachar Sharon <ssharon@redhat.com>
Reviewed-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): Fri Aug 30 10:42:27 UTC 2024 on atb-devel-224
