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Prefer talloc_asprintf over asprintf when resolving realpath.
Re-format code using 'git clang-format'.
Signed-off-by: Shachar Sharon <ssharon@redhat.com>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: David Disseldorp <ddiss@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Anoop C S <anoopcs@samba.org>
Code cleanup: prefer standard convenience helpers for unimplemented
VFS hooks.
Signed-off-by: Shachar Sharon <ssharon@redhat.com>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: David Disseldorp <ddiss@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Anoop C S <anoopcs@samba.org>
Coding standard requires following Linux kernel style guide, with an
explicit statement that "Maximum Line Width is 80 Characters". Align
vfs_ceph.c with this convention: split long lines into multiple lines
and use 'git clang-format' to do auto-formatting based on Samba project
'.clang-format' settings.
Signed-off-by: Shachar Sharon <ssharon@redhat.com>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: David Disseldorp <ddiss@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Anoop C S <anoopcs@samba.org>
Minor code cleanup: use local variable to reference current-work dir.
This commit is in preparation to following code-cleanup which aligns
line-length with Samba's coding conventions.
Signed-off-by: Shachar Sharon <ssharon@redhat.com>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: David Disseldorp <ddiss@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Anoop C S <anoopcs@samba.org>
Signed-off-by: Oliver Mihatsch <om-git@q4k.de>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Douglas Bagnall <dbagnall@samba.org>
Autobuild-Date(master): Thu Jun 27 05:33:17 UTC 2024 on atb-devel-224
This lets us match the Windows FAST reply when the password is expired.
Windows clients were upset by the NTSTATUS field in the edata,
apparently interpreting it to mean “insufficient resource”.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15655
Signed-off-by: Jo Sutton <josutton@catalyst.net.nz>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Heimdal matches Windows in the no‐FAST case, but produces NTSTATUS codes
when it shouldn’t in the FAST case.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15655
Signed-off-by: Jo Sutton <josutton@catalyst.net.nz>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
rpc.statd is single-threaded and runs its HA callout synchronously. If
it is too slow then latency accumulates and rpc.statd's backlog grows.
Running a pair of add-client/del-client events with the current code
averages ~0.030s in my test environment. This mean that 1000 clients
reclaiming locks after failover can easily cause 10s of latency. This
could cause rpc.statd to become unresponsive, resulting in a time out
for an rpcinfo-based health check of the status service.
Split the add-client/del-client events out to a standalone
statd_callout executable, written in C, to be used as the HA callout
for rpc.statd. All other functions move to statd_callout_helper.
Now, running a pair of add-client/del-client events in my test
environment averages only ~0.002s. This seems less likely to cause
latency problems.
The standalone statd_callout executable needs to read a configuration
file, which is generated by statd_callout_helper from the "startup"
event. It also needs access to a list of currently assigned public
IPs.
For backward compatibility, during installation a symlink is created
from $CTDB_BASE/statd-callout to the new statd_callout, which is
installed in the helper directory.
Testing this as part of the eventscript unit tests starts to become
even more of a hack than it used to be. However, the dependency on
stubs and the corresponding setup of fake state makes it hard to move
this elsewhere.
Signed-off-by: Martin Schwenke <mschwenke@ddn.com>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Autobuild-User(master): Martin Schwenke <martins@samba.org>
Autobuild-Date(master): Tue Jun 25 04:24:57 UTC 2024 on atb-devel-224
There is a typo here, since there will be no process called "status".
Instead of fixing it, drop this because rpc.statd isn't the focus of
this monitoring check and when systemd is init rpc.statd isn't
restarted with nfs-ganesha. It stays running, so a confusing stack
trace for rpc.statd is always logged.
Signed-off-by: Martin Schwenke <mschwenke@ddn.com>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
If ganesha.nfsd is gone then a node can't provide an NFS service, so
should be marked unhealthy. A later restart may bring it back to
health.
Signed-off-by: Martin Schwenke <mschwenke@ddn.com>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This one does an rpcinfo check, along with statistics mitigation. It
can be used in combination with the existing 20.nfs_ganesha.check.
The equivalent kernel NFS file only restarts every 10 failures. This
one can be a little more proactive given that false positives are less
likely with the statistics mitigation.
Signed-off-by: Martin Schwenke <mschwenke@ddn.com>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Simplicity is preferred here over absolute correctness. If the
ganesha_stats command exits with an error or times out then no output
is produced so, implicitly, the statistics do not change. Also, the
statistics always change at startup. However, it is likely that the
statistics change when NFS makes progress and do not change when NFS
does not make progress.
Signed-off-by: Martin Schwenke <mschwenke@ddn.com>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
When monitoring an RPC service, the rpcinfo command might time out
even though the service is making progress. In this case, it is just
slow, so counting the timeout as a failure and potentially restarting
the service will not help. The problem is determining if a service is
making progress.
Add a new NFS checks service_stats_command. This command is intended
to run a statistics command. The output is naively compared using
cmp(1). If the output changes then rpcinfo failures are converted to
successes.
Signed-off-by: Martin Schwenke <mschwenke@ddn.com>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This is exactly the application talloc_tos() was made for
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Mon Jun 24 17:27:04 UTC 2024 on atb-devel-224
We might have a relative filename in tdb->name, so we might do the
wrong thing here. And as we have the fd, why not use it...
We call futimens in vfs_default without #ifdef and it's Posix 2018 or
before. So I don't think we need to check for it.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This avoids the need for an explict ZERO_STRUCT before TALLOC_FREE
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Found by Covscan.
"Error: SHELLCHECK_WARNING (CWE-569):
/usr/bin/smbprint:49:21: warning[SC1083]: This } is literal. Check expression (missing ;/\n?) or quote it.
47| # Concat this with /.config to get the config file.
48| #
49|-> eval acct_file=\${$#}
50| spool_dir=$(dirname $acct_file)
51| config_file=$spool_dir/.config"
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Signed-off-by: Martin Schwenke <mschwenke@ddn.com>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Mon Jun 24 07:14:54 UTC 2024 on atb-devel-224
Found by Covscan.
"Error: INTEGER_OVERFLOW (CWE-190):
samba-4.20.0rc2/source4/dsdb/schema/schema_query.c:403: tainted_data_argument: The check ""i < new_len"" contains the tainted expression ""i"" which causes ""new_len"" to be considered tainted.
samba-4.20.0rc2/source4/dsdb/schema/schema_query.c:407: overflow: The expression ""new_len - i"" is deemed underflowed because at least one of its arguments has underflowed.
samba-4.20.0rc2/source4/dsdb/schema/schema_query.c:407: overflow: The expression ""(new_len - i) * 8UL"" is deemed underflowed because at least one of its arguments has underflowed.
samba-4.20.0rc2/source4/dsdb/schema/schema_query.c:407: overflow_sink: ""(new_len - i) * 8UL"", which might have underflowed, is passed to ""memmove(val1, val2, (new_len - i) * 8UL)"". [Note: The source code implementation of the function has been overridden by a builtin model.]
405| const char **val2 = &attr_list[i];
406| if (ldb_attr_cmp(*val1, *val2) == 0) {
407|-> memmove(val1, val2, (new_len - i) * sizeof( *attr_list));
408| attr_list[new_len-1] = NULL;
409| new_len--;"
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Signed-off-by: Martin Schwenke <mschwenke@ddn.com>
Found by Covscan.
"Error: UNINIT (CWE-457):
samba-4.20.0rc2/source4/torture/nbt/winsreplication.c:5040: var_decl: Declaring variable ""wins_name_"" without initializer.
samba-4.20.0rc2/source4/torture/nbt/winsreplication.c:5041: assign: Assigning: ""wins_name"" = ""&wins_name_"", which points to uninitialized data.
samba-4.20.0rc2/source4/torture/nbt/winsreplication.c:6680: uninit_use_in_call: Using uninitialized value ""*wins_name"". Field ""wins_name->is_group"" is uninitialized when calling ""test_wrepl_update_one"".
6678| wins_name->unknown = ""255.255.255.255"";
6679|
6680|-> ret &= test_wrepl_update_one(tctx, ctx, &ctx->b, wins_name);
6681| ret &= test_wrepl_is_applied(tctx, ctx, &ctx->b, wins_name, true);
6682| } else {"
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Signed-off-by: Martin Schwenke <mschwenke@ddn.com>
Found by Covscan.
"Error: INTEGER_OVERFLOW (CWE-190):
samba-4.20.0rc2/source3/utils/regedit_list.c:522: tainted_data_return: Called function ""get_window_height(list)"", and a possible return value may be less than zero.
samba-4.20.0rc2/source3/utils/regedit_list.c:522: cast_underflow: An assign of a possibly negative number to an unsigned type, which might trigger an underflow.
samba-4.20.0rc2/source3/utils/regedit_list.c:526: overflow: The expression ""list->cursor_row -= page"" is deemed underflowed because at least one of its arguments has underflowed.
samba-4.20.0rc2/source3/utils/regedit_list.c:529: overflow_sink: ""list->cursor_row"", which might have underflowed, is passed to ""data_get_row_n(list, list->cursor_row)"".
527| list->start_row -= page;
528| }
529|-> tmp = data_get_row_n(list, list->cursor_row);
530| break;
531| case ML_CURSOR_PGDN:"
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Signed-off-by: Martin Schwenke <mschwenke@ddn.com>
Found by Covscan.
"Error: UNINIT (CWE-457):
samba-4.20.0rc2/source3/rpc_server/samr/srv_samr_nt.c:235: var_decl: Declaring variable ""ace"" without initializer.
samba-4.20.0rc2/source3/rpc_server/samr/srv_samr_nt.c:269: uninit_use_in_call: Using uninitialized value ""*ace"". Field ""ace->object"" is uninitialized when calling ""make_sec_acl"".
267| /* create the security descriptor */
268|
269|-> if ((psa = make_sec_acl(ctx, NT4_ACL_REVISION, i, ace)) == NULL)
270| return NT_STATUS_NO_MEMORY;
271|"
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Signed-off-by: Martin Schwenke <mschwenke@ddn.com>
We only turn desired into off in the NT4 domain member case.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15666
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Wed Jun 19 10:17:28 UTC 2024 on atb-devel-224
