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Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Ralph Boehme <slow@samba.org>
Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Mon Nov 1 07:29:47 UTC 2021 on sn-devel-184
Without debug_hires_timestamp this produces a syslog style header
containing:
"MON DD HH:MM:SS HOSTNAME PROGNAME[PID] "
With debug_hires_timestamp this produces a syslog style header
containing:
"RFC5424-TIMESTAMP HOSTNAME PROGNAME[PID] "
All other settings are ignored.
This will be made visible via smb.conf in a subsequent commit.
This commit adds some simple hostname handling. It avoids using
get_myname() from util.c because using that potentially pulls in all
manner of dependencies. No real error handling is done. In the worst
case debug_set_hostname() sets the hostname to a truncated version of
the given string. Similarly, in an even weirder world,
ensure_hostname() sets the hostname to a truncation of "unknown".
Both of these are unlikely in all reasonable cases.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Ralph Boehme <slow@samba.org>
Preliminary handling of NTTIME_THAW to avoid NTTIME_THAW is passed as some
mangled value down to the VFS set timestamps function.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14127
RN: Avoid storing NTTIME_THAW (-2) as value on disk
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
NTTIME_FREEZE is not a nil sentinel value, instead it implies special, yet
unimplemented semantics. Callers must deal with those values specifically and
null_nttime() must not lie about their nature.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14127
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
The test was checking -1 twice:
torture_assert(tctx, null_nttime(-1), "-1");
torture_assert(tctx, null_nttime(-1), "-1");
The first line was likely supposed to test the value "0".
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14127
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
If it isn't used then it isn't copied.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Thu Oct 14 11:10:40 UTC 2021 on sn-devel-184
The existing check is for truncation, not whether the buffer is full.
However, if the buffer is full (i.e. hs_len == sizeof(header_str) - 1)
then there's no use trying subsequent snprintf() calls because there
will be one byte available that already contains the NUL-terminator.
A subsequent call will just do a no-op truncation.
Check for full buffer instead.
This might be confusing because it isn't the standard check that is
done after snprintf() calls. Is it worth it for a rare corner case?
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Volker Lendecke <vl@samba.org>
strlcat() needs to walk to the end of its first argument. However,
but the length of state.header_str is already known, so optimise by
manually appending the extra characters if they will fit.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Volker Lendecke <vl@samba.org>
This the first step in avoiding potentially repeated length
calculations in the backends. The length is known at call time for
most usual callers, so pass it down.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Volker Lendecke <vl@samba.org>
Currently the file backend can produce something like:
HEADER1 HEADER2 TEXT2
TEXT1
when different processes try to log at the same time.
Avoid this by writing the header and text at the same time using
writev(). This means that the header always has to be written by the
backend, so update all backends to do this.
The non-file backends should behave as before when they were invoked
separately to render the header. It might be possible to optimise
some of them (e.g. via sd_journal_sendv) but this requires more
investigation (e.g. sd_journal_sendv()'s handling of newlines) and is
beyond the scope of this change.
state.header_str_no_nl takes the place of msg_no_nl for the header,
since some of the backends need the no-newline version. It is handled
the same was as msg_no_nl: produce the no_nl version exactly once,
whether or not it is needed, since this is better than repeating it in
several backends.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Volker Lendecke <vl@samba.org>
Add an internal function to do the work and call it. It will be
called again in a subsequent commit.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Volker Lendecke <vl@samba.org>
They'll need to be accessible by the backends.
Note that the snprintf() and strlcat() calls can result in
state.hs_len >= sizeof(state.header_str), so state.hs_len needs to be
sanitised before any potential use. Previously this wasn't necessary
because this value was on the stack, so it couldn't be used after
dbghdrclass() returned.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Volker Lendecke <vl@samba.org>
The DEBUG macro was missing and the CFStringGetBytes() was triggering a
-Werror,-Wpointer-sign build failure.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14862
Signed-off-by: Alex Richardson <Alexander.Richardson@cl.cam.ac.uk>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This implements MS-FSA algorithms BlockAlign() and BlockAlignTruncate().
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Simplifies building up a string step by step, see next commit
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
The only writer to this variable left with c377845d27d4dcd7. The
closest match for override_logfile is is_default_dyn_LOGFILEBASE()
with the opposite logic.
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): Sat Sep 18 00:53:28 UTC 2021 on sn-devel-184
Don't directly overwrite the pointer for a realloc. On failure, the
original pointer is still valid.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
debug classes registered by vfs modules are not available immediately.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Fri Jun 18 04:27:17 UTC 2021 on sn-devel-184
If we allow a string that encodes say '\0' as a multi-byte sequence,
we are open to confusion where we mix NUL terminated strings with
sized data blobs, which is to say EVERYWHERE.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14684
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Jeremy Allison <jra@samba.org>
If we allow overly long UTF-8 sequences (in the tests, encoding '\0'
as 2, 3, or 4 bytes), it might be possible for bad strings to slip
through.
We fail. But wait for the next commit.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14684
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Jeremy Allison <jra@samba.org>
The NULL assert is not really required, it will crash nicely if that's
not fulfilled.
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): Fri Jun 4 17:34:06 UTC 2021 on sn-devel-184
Message "daemon 'smbd' finished starting up and ready to serve connections"
indicates normal startup but printed with 'error' log level and may be mistakenly
treated as error during logs analisys. This patch changes log level to 'info'.
Signed-off-by: Dmytro Bagrii <dimich.dmb@gmail.com>
Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Thu May 20 15:07:28 UTC 2021 on sn-devel-184
The initialize_winbindd_cache() function uses tdb_fetch_uint32_byblob()
to check if the cache version is valid and up to date. As
tdb_fetch_uint32_byblob() returns false for a successful fetch, we
always remove the winbind cache database. This breaks the winbind
offline logon feature.
This also affects other caches and pdb.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14702
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Wed May 12 21:19:03 UTC 2021 on sn-devel-184
There were only two callers, it did not do proper error handling, and
it was confusing to call.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Use a pipe to ensure that the debugger is not started until after the
prctl() call allowing it to attach to the parent, avoiding a potential
race condition.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Tue Apr 20 12:33:40 UTC 2021 on sn-devel-184
samba_start_debugger() attempts to start a debugger attached to the
calling process by calling system() to start a background process.
However, if the spawned shell exits before the debugger has had a chance
to attach, the debugger process will no longer be a child of the parent
process (as it will have been reparented).
If the system does not allow tracing by non-child processes, attachment
may fail as a result.
This commit replaces the system() call and the implicit shell around
xterm with an explicit fork()/exec() so that the debugger remains a
child of the calling process, ensuring the attachment succeeds unless
tracing is disabled completely.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlet <abartlet@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
With tdb_parse_record we don't need malloc/SAFE_FREE.
The semantics are a bit different from tdb_parse_uint32: We just return
-1 on error, but this could be overloaded with a valid -1 record value.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
