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This is important as Windows clients with KB5028166 seem to
call netr_LogonGetCapabilities with query_level=2 after
a call with query_level=1.
An unpatched Windows Server returns DCERPC_NCA_S_FAULT_INVALID_TAG
for query_level values other than 1.
While Samba tries to return NT_STATUS_NOT_SUPPORTED, but
later fails to marshall the response, which results
in DCERPC_FAULT_BAD_STUB_DATA instead.
Because we don't have any documentation for level 2 yet,
we just try to behave like an unpatched server and
generate DCERPC_NCA_S_FAULT_INVALID_TAG instead of
DCERPC_FAULT_BAD_STUB_DATA.
Which allows patched Windows clients to keep working
against a Samba DC.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15418
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Mon Jul 17 07:35:09 UTC 2023 on atb-devel-224
This is important as Windows clients with KB5028166 seem to
call netr_LogonGetCapabilities with query_level=2 after
a call with query_level=1.
An unpatched Windows Server returns DCERPC_NCA_S_FAULT_INVALID_TAG
for query_level values other than 1.
While Samba tries to return NT_STATUS_NOT_SUPPORTED, but
later fails to marshall the response, which results
in DCERPC_FAULT_BAD_STUB_DATA instead.
Because we don't have any documentation for level 2 yet,
we just try to behave like an unpatched server and
generate DCERPC_NCA_S_FAULT_INVALID_TAG instead of
DCERPC_FAULT_BAD_STUB_DATA.
Which allows patched Windows clients to keep working
against a Samba DC.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15418
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
The important change it that we expect DCERPC_NCA_S_FAULT_INVALID_TAG
for unsupported query_levels, we allow it to work with servers
with or without support for query_level=2.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15418
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
We don't have any documentation about this yet, but tests against
a Windows Server 2022 patched with KB5028166 revealed that
the response for query_level=2 is exactly the same as
for querey_level=1.
Until we know the reason for query_level=2 we won't
use it as client nor support it in the server, but
we want ndrdump to work.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15418
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Martin Schwenke <mschwenke@ddn.com>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Thu Jul 13 06:34:01 UTC 2023 on atb-devel-224
There are multiple places we make this assumption. For example, in
source3/lib/tldap.c, we have this line
if (ld->msgid == 2147483647) {
where ld->msgid is an int. And in librpc/idl/security.idl we have
several lines like:
const int SEC_MASK_GENERIC = 0xF0000000;
In lib/replace/inet_pton.c and inet_ntop.c we have
/*
* WARNING: Don't even consider trying to compile this on a system where
* sizeof(int) < 4. sizeof(int) > 4 is fine; all the world's not a VAX.
*/
but no attempt to enforce that as far as I can see, until now.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Tue Jul 11 22:44:15 UTC 2023 on atb-devel-224
This was clearly copied from the tdb2 backend and incompletely edited.
Signed-off-by: Martin Schwenke <mschwenke@ddn.com>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Martin Schwenke <martins@samba.org>
Autobuild-Date(master): Mon Jul 10 23:47:12 UTC 2023 on atb-devel-224
The name of the placeholder is misleading. It certainly isn't per
domain, so we might as well indicate that it is per range.
Signed-off-by: Martin Schwenke <mschwenke@ddn.com>
Reviewed-by: Andreas Schneider <asn@samba.org>
The statement just above the example says the example demonstrates the
use of the base_rid parameter. It doesn't, so fix this.
Also fix a typo.
Signed-off-by: Martin Schwenke <mschwenke@ddn.com>
Reviewed-by: Andreas Schneider <asn@samba.org>
This can happen if DELETE-ON-CLOSE is set, but the deletion fails for some
reason.
The bug was introduced by 1808e5c133.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15417
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Mon Jul 10 21:32:32 UTC 2023 on atb-devel-224
This fixes a little thinko in commit
80de84d36e, where this was overlooked.
Signed-off-by: Martin Schwenke <mschwenke@ddn.com>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Autobuild-User(master): Amitay Isaacs <amitay@samba.org>
Autobuild-Date(master): Mon Jul 10 15:15:06 UTC 2023 on atb-devel-224
DEBUG level logging in ctdb_killtcp is very noisy. The most important
messages when debugging are those for tickle ACKs and TCP RSTs. TCP
RSTs are already logged at INFO level, so promote tickle ACKs to INFO
level too.
Signed-off-by: Martin Schwenke <mschwenke@ddn.com>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
NOTICE level debug messages in common/run_event.c are not logged by
default.
Currently eventd ends up using ERROR, since this is specified as
LOGGING_LOG_LEVEL_DEFAULT. It doesn't inherit the debug level from
ctdbd and only uses NOTICE level when interactive.
Change the real logging default to NOTICE and use it everywhere.
Followups might be:
* Remove the default_log_level argument to logging_conf_init()
* Kick eventd to update debug level when "ctdb setdebug" is used
Signed-off-by: Martin Schwenke <mschwenke@ddn.com>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
WACK packets use the ‘data’ member of the ‘nbt_rdata’ union, but they
claim to be a different type — NBT_QTYPE_NETBIOS — than would normally
be used with that union member. This means that if rr_type is equal to
NBT_QTYPE_NETBIOS, ndr_push_nbt_res_rec() has to guess which type the
structure really is by examining the data member. However, if the
structure is actually of a different type, that union member will not be
valid and accessing it will invoke undefined behaviour.
To fix this, eliminate all the guesswork and introduce a new type,
NBT_QTYPE_WACK, which can never appear on the wire, and which indicates
that although the ‘data’ union member should be used, the wire type is
actually NBT_QTYPE_NETBIOS.
This means that as far as NDR is concerned, the ‘netbios’ member of the
‘nbt_rdata’ union will consistently be used for all NBT_QTYPE_NETBIOS
structures; we shall no longer access the wrong member of the union.
Credit to OSS-Fuzz.
REF: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=38480
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15019
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Autobuild-User(master): Douglas Bagnall <dbagnall@samba.org>
Autobuild-Date(master): Fri Jul 7 01:14:06 UTC 2023 on atb-devel-224
If ‘size’ was equal to UINT32_MAX, the expression ‘size+1’ could
overflow to zero.
This could result in inadequate memory being allocated, which could
cause ndr_pull_compression_xpress_huff_raw_chunk() to overflow memory
with zero bytes.
Credit to OSS-Fuzz.
REF: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=57728
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15415
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15400
Signed-off-by: Pavel Filipenský <pfilipensky@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Wed Jul 5 20:24:35 UTC 2023 on atb-devel-224
The parent smdb forwards SIGTERM to its process group in order to kill all
children like the scavenger. This happens from a function registered via
atexit() which means the signal forwarding is happening very briefly before the
main smbd process exits. When exiting the pipe between smbd and scavenger is
closed which triggers a file event in the scavenger.
However, due to kernel sheduling it is possible that the file descriptor event
is received before the signal, where we call exit_server() which call
smb_panic() at the end.
Change the exit to exit_server_cleanly() and just log this event at level 2
which we already do.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15275
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Wed Jul 5 13:14:08 UTC 2023 on atb-devel-224
When we were not able to get a valid response from any DC we should
report NT_STATUS_NO_LOGON_SERVERS with authoritative = 1.
This matches what windows does. In a chain of transitive
trusts the ACCESS_DENIED/authoritative=0 is not propagated,
instead NT_STATUS_NO_LOGON_SERVERS/authoritative=1 is
passed along the chain if there's no other DC is available.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15413
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Note this is more than a simple invalidate_cm_connection() as it may set
domain->conn.netlogon_force_reauth = true, which is important in order
to recover from NT_STATUS_RPC_SEC_PKG_ERROR errors.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15413
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Otherwise we could treat a local problem as non-authoritative.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15413
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Note this is more than a simple invalidate_cm_connection() as it may set
domain->conn.netlogon_force_reauth = true.
This is not strictly needed as the callers call
reset_cm_connection_on_error() via reconnect_need_retry().
But it might avoid one roundtrip.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15413
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
This is mostly for consistency, every remote call should call
reset_cm_connection_on_error(). Note this is more than
a simple invalidate_cm_connection() as it may set
domain->conn.netlogon_force_reauth = true.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15413
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Signed-off-by: Martin Schwenke <mschwenke@ddn.com>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Martin Schwenke <martins@samba.org>
Autobuild-Date(master): Wed Jul 5 12:16:57 UTC 2023 on atb-devel-224
These are all trivial, so handle them in bulk.
* Change code to avoid (approximately sorted by frequency):
SC2004 $/${} is unnecessary on arithmetic variables.
SC2086 Double quote to prevent globbing and word splitting.
SC2162 read without -r will mangle backslashes.
SC2254 Quote expansions in case patterns to match literally rather than as a glob.
SC2154 (warning): <variable> is referenced but not assigned.
SC3037 (warning): In POSIX sh, echo flags are undefined.
SC2016 (info): Expressions don't expand in single quotes, use double quotes for that.
SC2069 (warning): To redirect stdout+stderr, 2>&1 must be last (or use '{ cmd > file; } 2>&1' to clarify).
SC2124 (warning): Assigning an array to a string! Assign as array, or use * instead of @ to concatenate.
SC2166 (warning): Prefer [ p ] && [ q ] as [ p -a q ] is not well defined.
SC2223 (info): This default assignment may cause DoS due to globbing. Quote it.
* Locally disable checks:
SC2034 (warning): <variable> appears unused. Verify use (or export if used externally).
SC2086 (info): Double quote to prevent globbing and word splitting. [once]
SC2120 (warning): <function> references arguments, but none are ever passed.
SC2317 (info): Command appears to be unreachable. Check usage (or ignore if invoked indirectly).
While touching reads for SC2162, switch unused variables to "_"
instead of "_x", which seems to be preferred by ShellCheck.
Signed-off-by: Martin Schwenke <mschwenke@ddn.com>
Reviewed-by: Andreas Schneider <asn@samba.org>
SC2059 (info): Don't use variables in the printf format string. Use printf '..%s..' "$foo".
Move the format string to the function and just parameterise the share
type.
Signed-off-by: Martin Schwenke <mschwenke@ddn.com>
Reviewed-by: Andreas Schneider <asn@samba.org>
In ./tests/UNIT/eventscripts/scripts/local.sh line 328:
echo $(ctdb ifaces -X | awk -F'|' 'FNR > 1 {print $2}')
^-- SC2046 (warning): Quote this to prevent word splitting.
^-- SC2005 (style): Useless echo? Instead of 'echo $(cmd)', just use 'cmd'.
Use xargs to get output on 1 line.
Signed-off-by: Martin Schwenke <mschwenke@ddn.com>
Reviewed-by: Andreas Schneider <asn@samba.org>
This generates ShellCheck warnings:
In ./tests/UNIT/eventscripts/scripts/60.nfs.sh line 412:
if [ -n "$service_check_cmd" ]; then
^----------------^ SC2031 (info): service_check_cmd was modified in a subshell. That change might be lost.
In ./tests/UNIT/eventscripts/scripts/60.nfs.sh line 413:
if eval "$service_check_cmd"; then
^----------------^ SC2031 (info): service_check_cmd was modified in a subshell. That change might be lost.
service_check_cmd will never be set here because it is only set in a
sub-shell in rpc_set_service_failure_response().
This reverts some of commit 713ec21750.
If testcases requiring use of service_check_cmd are later added then
this will need to be redone properly. This would probably start by
renaming this function nfs_iterate_rpc_test().
Signed-off-by: Martin Schwenke <mschwenke@ddn.com>
Reviewed-by: Andreas Schneider <asn@samba.org>
This is unused since loading tunables was moved to ctdbd.
Signed-off-by: Martin Schwenke <mschwenke@ddn.com>
Reviewed-by: Andreas Schneider <asn@samba.org>
SC2086 Double quote to prevent globbing and word splitting.
Apparently ShellCheck is more picky about some of these than it used
to be.
Signed-off-by: Martin Schwenke <mschwenke@ddn.com>
Reviewed-by: Andreas Schneider <asn@samba.org>
New in ShellCheck 0.9.0:
SC2317 (info): Command appears to be unreachable. Check usage (or ignore if invoked indirectly).
Also:
SC2086 (info): Double quote to prevent globbing and word splitting.
Signed-off-by: Martin Schwenke <mschwenke@ddn.com>
Reviewed-by: Andreas Schneider <asn@samba.org>
New in ShellCheck 0.9.0:
SC2317 (info): Command appears to be unreachable. Check usage (or ignore if invoked indirectly).
Signed-off-by: Martin Schwenke <mschwenke@ddn.com>
Reviewed-by: Andreas Schneider <asn@samba.org>
Commit 8132edf119 introduced a retry loop
arround cldap_multi_netlogon(), but it forgot to reset num_requests to 0
for the retries.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15416
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Wed Jul 5 11:17:43 UTC 2023 on atb-devel-224
It should be possible to call "net offlinejoin provision" as non-root,
no access to secrets.tdb required in that case.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15414
Guenther
Signed-off-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Günther Deschner <gd@samba.org>
Autobuild-Date(master): Wed Jul 5 09:23:22 UTC 2023 on atb-devel-224
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Wed Jul 5 07:32:15 UTC 2023 on atb-devel-224
