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BUG: https://bugzilla.samba.org/show_bug.cgi?id=15073
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Tue Jul 19 12:17:35 UTC 2022 on sn-devel-184
We now allow this to be via the ENCTYPE_AES256_CTS_HMAC_SHA1_96 hash instead
which allows us to decouple Samba from the unsalted NT hash for
organisations that are willing to take this step (for user accounts).
(History checking is limited to the last three passwords only, as
ntPwdHistory is limited to NT hash values, and the PrimaryKerberosCtr4
package only stores three sets of keys.)
Since we don't store a salt per-key, but only a single salt, the check
will fail for a previous password if the account was renamed prior to a
newer password being set.
Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Best reviewed with `git show -b`
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15104
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Wed Jun 22 11:49:23 UTC 2022 on sn-devel-184
Often we go 'torture_assert(tctx, expr, talloc_asprintf(tctx, "foo
%s", foo));' which is just a pain.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15040
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
The executables generated from lib/util/tests/test_logging.c are used
by the samba.tests.logfiles tests to test logging with various
smb.confs that assign classes to various files at different levels
etc.
Previously test_logging.c had its own version of the table; now it
shares one with debug.c
We put the table in a sub-directory (lib/util/debug-classes/), because
adding local_include=True to the wscript_build stanza causes the
compiler confusion between <time.h> and lib/util/time.h.
Note: there are still two other lists of the class names, in
python/samba/tests/logfiles.py and
docs-xml/smbdotconf/logging/loglevel.xml.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This can be a useful macro when you are trying to track the behaviour
of one process out of the dozens that samba starts up, and when your
interest is in following it over time, not necessarily in a single
stack.
In DEVELOPER mode, if you call 'debug_developer_enable()' in the
process you're following, then any instances of DBG_DEV() will work
like DBG_ERR(), also adding ":DEV:12345:" where "12345" is the pid of
th current process.
Within debug.c itself, the macro always writes to stderr, because the
debug.c functions are not all reentrant.
When not in DEVELOPER MODE, the macro evaluates to nothing.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
There is one knownfail, where it seems an smb.conf like
log file = foo
log level = 2 tdb:2@baa ldb:3
will send the ldb logs to 'baa' instead of 'foo' (i.e., the last
opened log file, rather than the default log file).
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
The 'log level' line in smb.conf allows messages from different log
classes to be sent to different places, but we have not tested that
this works. Now we do, somewhat.
The test involves running a special binary based on a stripped down
source4/samba/server.c that just starts up, parses the command line
and a given smb.conf, then logs messages from multiple classes and
exits.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
CTDB doesn't want this redirection of stderr to the log file. It
expects to be able to capture stderr of subprocesses and log them with
a header. This redirection stops that from happening.
Unfortunately this has to be a negative option (i.e. "no" in the name)
so that the default of 0/false maintains existing behaviour.
Note that the default behaviour is sub-optimal because it causes raw
data (i.e. debug data without a header) to appear in the log.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15090
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Volker Lendecke <vl@samba.org>
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
gnutls_memcmp() is mostly identical to our own implementation, except
that ours will not break if supplied with 4 GiB or more of data.
However, using an external function permits us to disclaim
responsibility if some CPU/compiler combination happens to invalidate
our constant-time guarantee.
For reference, gnutls_memcmp() implementation:
78d9820de0/lib/safe-memfuncs.c (L41-67)
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Ensure that it gives the correct results for comparing two memory
regions.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Ensure that it gives the correct results for comparing two data blobs.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Since memcmp_const_time() doesn't act as an exact replacement for
memcmp(), and its return value is only ever compared with zero, simplify
it and emphasize the intention of checking equality by returning a bool
instead.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Since data_blob_cmp_const_time() doesn't act as an exact replacement for
data_blob_cmp(), and its return value is only ever compared with zero,
simplify it and emphasize the intention of checking equality by
returning a bool instead.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This helps to avoid timing attacks.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15010
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This allows it to be used in more places without needing to introduce
more dependencies.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Backtraces when Samba is in PANIC state are better with
backtrace_symbols() than with libunwind on Ubuntu 20.04 x86_64
so move libunwind to a off-by-default option, prompted for
if backtrace_symbols() is not available.
Based on a request by Fco Javier Felix <ffelix@inode64.com>
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
We look for backtrace_symbols() in this library, so we should link against
it if we find it.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Previously this would leave static functions unused, which the compiler will
not allow for a developer build.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
This partly reverts commit 620de975f1.
Drop chunk including system/nis.h, drop wscript_build modifications,
use getdomainname() from glibc instead of yp_get_default_domain() from
libnsl.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15087
Signed-off-by: Samuel Cabrero <scabrero@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
* Fix build problems
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15071
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Wed Jun 8 17:57:53 UTC 2022 on sn-devel-184
The smbconf library defines an enum of error codes that can be returned
from the C calls. The error codes were getting stored in the python
SMBConfError type but it was not easy to access or obvious what the
integer code represented.
This change makes it easier to get the returned error code: via a
`error_code` attribute on the exception value. It also exposes the
integer constants to the module. Simple tests for a few of the more
obvious error codes check that this new error handling correctly
exposes the error code values.
Signed-off-by: John Mulligan <jmulligan@redhat.com>
Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
Autobuild-User(master): Günther Deschner <gd@samba.org>
Autobuild-Date(master): Wed Jun 8 13:13:10 UTC 2022 on sn-devel-184
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14765
RN: add new smb.conf parameter "volume serial number" to allow overriding
the generated default value
Signed-off-by: Christian Ambach <ambi@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15069
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Christof Schmitt <cs@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Fri Jun 3 21:53:31 UTC 2022 on sn-devel-184
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Mon May 30 11:03:47 UTC 2022 on sn-devel-184
The first time round we maybe didn't know which files we wanted to log to.
Suppose, for example, we had an smb.conf with
log level = 1 dsdb_group_json_audit:5@/var/log/group_json.log
we wouldn't see anything in "/var/log/group_json.log", while the level
5 dsdb_group_json_audit messages would go into the main log.
Note that the named file would still be opened by winbindd and others
that use the s3 code, but would remain empty as they don't have anything
to say about dsdb_group_json_audit.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15076
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
This just prints a warning for:
ms_fnmatch.c:95:51: error: array subscript 0 is outside array bounds of
‘struct max_n[0]’ [-Werror=array-bounds]
95 | if (max_n != NULL && max_n->predot &&
|
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Alexander Bokovoy <ab@samba.org>
A simple degenerate case for our compressor has been a large number of
repeated bytes that will match the maximum length (~64k) at all 8192
search positions, 8191 of which searches are in vain because the
matches are not of greater length than the first one.
Here we recognise the inevitable and reduce runtime proportionately.
Credit to OSS-Fuzz.
REF: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=47428
Signed-off-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): Tue May 17 23:11:21 UTC 2022 on sn-devel-184
We get *very* slow when long runs of the bytes are the same. On this
laptop the test takes 18s; with the next commit it will be 0.006s.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
We say it is an error to end up at a different result.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
You'll thank me if you're ever debugging these and wondering why
'lzxpress4' calls 'lzxpress2' (or is it the other way round?).
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
We set `uncompressed_pos = 0;` unconditionally, just ~10 lines up.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This mirrors the behaviour of lzxpress_compress, which "encodes" an
empty string as an empty string.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
