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Commit 9f60a77e0b updated the check to avoid having files or other
objects instead of a directory. This missed the valid case that there
might be a symlink to a directory. Updated the check accordingly to
allow symlinks to directories.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14166
Signed-off-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Commit 810397f89a, and possibly others, broke the build for macOS and
other environments which don't have st_[acm]tim fields on 'struct stat'.
Multiple places in the codebase used the config.h values to determine
how to access the nanosecond or microsecond values of the stat
timestamps, so rather than add more, centralize them all into
lib/util/time.c.
Also allow pvfs_fileinfo.c to read nanosecond-granularity timestamps on
platforms where it didn't before, since its #if branches were not
complete.
Signed-off-by: Matthew DeVore <matvore@google.com>
Reviewed-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Sat Aug 15 08:51:09 UTC 2020 on sn-devel-184
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Swen Schillig <swen@linux.ibm.com>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Mon Aug 3 22:21:04 UTC 2020 on sn-devel-184
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14441
Reported by Alexander Pyhalov <apyhalov@gmail.com>
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Tue Jul 14 07:42:54 UTC 2020 on sn-devel-184
This fixed a regression introduced by commit
c83ce5f4f9 for bug #14345.
The backend loglevel globally restricts logging of a particular backend. If this
value is smaller then any explicitly configured logging class, logging for this
class is skipped.
Eg, given the following logging config in smb.conf:
log level = 1 auth_json_audit:3@/var/log/samba/samba_auth_audit.log
the default class loglevel of 1 (dbgc_config[DBGC_ALL].loglevel) will be
assigned to the backend loglevel.
So even though the logging class auth_json_audit is configured at level 3, this
doesn't become effective as the file backend drops all log messages with a level
below 1.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14426
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Thu Jul 2 13:25:29 UTC 2020 on sn-devel-184
The debug file backend is a built-in default, if it's missing we're totally
screwed.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14426
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14422
Signed-off-by: Bjoern Jacke <bjacke@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Autobuild-User(master): Björn Jacke <bjacke@samba.org>
Autobuild-Date(master): Mon Jun 29 18:19:04 UTC 2020 on sn-devel-184
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Martin Schwenke <martins@samba.org>
Autobuild-Date(master): Tue Jun 9 21:07:24 UTC 2020 on sn-devel-184
NSS_BUFLEN_PASSWD is not defined on FreeBSD. Use
sysconf(_SC_GETPW_R_SIZE_MAX) instead, as per POSIX.
Use a dynamically allocated buffer instead of trying to cram all of
the logic into the declarations. This will come in useful later
anyway.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Volker Lendecke <vl@samba.org>
It appears that snprintf(3) is being used for input validation.
However, this seems like overkill because it causes szPath to be
copied an extra time. The mostly likely protections being sought
here, according to https://cwe.mitre.org/data/definitions/20.html,
look to be DoS attacks involving CPU and memory usage. A simpler
check that uses strnlen(3) can mitigate against both of these and is
simpler.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Volker Lendecke <vl@samba.org>
Ubuntu (in particular) restricts ptrace by default for security reasons
but the processe to be traced can allow tracing by a child process
using prctl(). This matches what is done for panic action =
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
Post checks for overflow/error.
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Mon May 18 23:42:57 UTC 2020 on sn-devel-184
A pwrite wrapper that will deal with EINTR and never return a short
write unless the file system returns an error. Copes with the
unspecified edge condition of pwrite returning zero by changing
the return to -1, errno = ENOSPC.
Thread-safe so may be used as a replacement for pwrite
inside pwrite_do() thread functions.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14361
Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Jeremy Allison <jra@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
A pread wrapper that will deal with EINTR and never return a short
read unless pread returns zero meaning EOF.
Thread-safe so may be used as a replacement for pread
inside pread_do() thread functions.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14361
Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Jeremy Allison <jra@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
This implements the contraints of
[MS-FSA] 2.1.5.2 Server Requests a Read.
The special handling of [MS-FSA] 2.1.5.3 Server Requests a Write
with offset < 0, should be handled by higher layers!
Which means the check can also be used for writes.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14361
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
If the ASN.1 depth is zero in asn1_end_tag, call smb_panic. Rather than
ignoring the condition.
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14345
Pair-Programmed-With: Andreas Schneider <asn@samba.org>
Signed-off-by: Andreas Schneider <asn@samba.org>
Signed-off-by: Amit Kumar <amitkuma@redhat.com>
Reviewed-by: Alexander Bokovoy <ab@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Thu May 7 10:38:29 UTC 2020 on sn-devel-184
Replace DEBUG(0 with DBG_ERR(
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Gary Lockyer <gary@samba.org>
Autobuild-Date(master): Wed May 6 22:53:02 UTC 2020 on sn-devel-184
Check the search request lengths against the limits passed to
ldap_decode.
Credit to OSS-Fuzz
REF: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20454
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14334
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Gary Lockyer <gary@samba.org>
Autobuild-Date(master): Mon May 4 04:40:10 UTC 2020 on sn-devel-184
We can diverged into the s3 and lib/fault panic action stuff once
we have printed the backtrace.
Our tests require we use the word PANIC, and some administrative scripts
might look for similar things, so keep those words.
The use of DEBUG(0, ... is deliberate to keep the output
of the PANIC line as consistent as possible with the historical smbd output.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Thu Feb 27 05:09:44 UTC 2020 on sn-devel-184
The "why" string is now eg "Signal 11: Segmentation fault" and
so more descriptive, and hopefully this will encourage the
Samba version to be included in more error reports.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
This makes it easier to understand the process graph as there is
not a duplicate (eg) ldap[master] process for each tfork waiter.
when useing "ps -ef -o pid,comm"
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14287
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
This makes it easier to pass a small amount of variable information
into the buffer, to distinguish processes in the AD DC.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14287
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
The only difference is that the pull macros do the correct casting of
the integer in the end.
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Fri Feb 21 03:35:58 UTC 2020 on sn-devel-184
This is an implementation which doesn't have undefined behavior
problems. It casts correctly that calculations are don in the correct
integer space. Also the naming is less confusing than what we have in
byteorder.h.
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Looking at the same pointer in the loop does not really make sense to
me
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Martin Schwenke <martin@meltin.net>
