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ldb_filter_attrs() previously did too much. Now its replacement,
ldb_filter_attrs_in_place(), only does the actual filtering, while
taking ownership of each element's values is handled in a separate
function, ldb_msg_elements_take_ownership().
Also, ldb_filter_attrs_in_place() no longer adds the distinguishedName
to the message if it is missing. That is handled in another function,
ldb_msg_add_distinguished_name().
As we're now modifying the original message rather than copying it into
a new one, we no longer need the filtered_msg parameter.
We adapt a test, based on ldb_filter_attrs_test, to exercise the new
function.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15270
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
At present this function is an exact duplicate of ldb_filter_attrs(),
but in the next commit we shall modify it to work in place, without the
need for the allocation of a second message.
The test is a near duplicate of the existing test for
ldb_filter_attrs().
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15270
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
If the value of an ldb message element is not zero-terminated, calling
ldb_msg_find_attr_as_string() will cause the function to read off the
end of the buffer in an attempt to verify that the value is
zero-terminated. This can cause unexpected behaviour and make the test
randomly fail.
To avoid this, we must have a terminating null byte that is *not*
counted as part of the length, and so we must calculate the length with
strlen() rather than sizeof.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15270
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Best reviewed with: `git show --word-diff`.
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Tue Apr 4 08:30:28 UTC 2023 on atb-devel-224
This is a change in cmocka to avoid hiding possible errors.
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Wed Mar 15 07:53:54 UTC 2023 on atb-devel-224
These tests are redeclared later and so are never used. Give them new
names so that they will be run again.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
These tests verify that the 'in' operator on ldb.Message is consistent
with indexing and the get() method. This means that the 'dn' element
should always be present, lookups should be case-insensitive, and use of
an invalid type should result in a TypeError.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14845
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
We should use long options in tests to make clear what we are trying to
do.
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
As this is a TDB file, the file has been backed up using tdbbackup to
get a different page size. This fixes running the repack.py test on
aarch64.
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Fri Apr 23 08:26:00 UTC 2021 on sn-devel-184
As seen in CVE-2021-20277, ldb_handler_fold() has been making mistakes
when collapsing spaces down to a single space.
This patch fixes the way it handles internal spaces (CVE-2021-20277
was about leading spaces), and involves a rewrite of the parsing loop.
The bug has a detailed description of the problem.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14656
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Wed Apr 7 03:16:39 UTC 2021 on sn-devel-184
We had the test in the Samba Python segfault suite because
a) the signal catching infrastructure was there, and
b) the ldb tests lack Samba's knownfail mechanism, which allowed us to
assert the failure.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14595
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14044
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Björn Jacke <bjacke@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Wed Mar 10 09:51:25 UTC 2021 on sn-devel-184
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14044
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Björn Jacke <bjacke@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Pair-Programmed-With: Björn Baumbach <bb@sernet.de>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Björn Baumbach <bb@sernet.de>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: David Mulder <dmulder@suse.com>
Autobuild-User(master): David Mulder <dmulder@samba.org>
Autobuild-Date(master): Mon Feb 22 15:50:55 UTC 2021 on sn-devel-184
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14418
Signed-off-by: Mathieu Parent <math.parent@gmail.com>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Tue Aug 25 04:23:19 UTC 2020 on sn-devel-184
Limit the number of nested conditionals allowed by ldb_parse tree to
128, to avoid potential stack overflow issues.
Credit Oss-Fuzz
REF: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19508
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): Sun May 10 23:21:08 UTC 2020 on sn-devel-184
In use process failures and Bind9 shut downs leave stale entries in the
lmdb reader table. This can result in lmdb filling it's database file, as
the free list can not be reclaimed due to the stale reader.
In this fix we call mdb_reader_check at the start of each transaction,
to free any stale readers. As the default maximum number of readers is
127, this should not impact on performance to any great extent.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14330
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Tue Mar 31 01:26:07 UTC 2020 on sn-devel-184
Add cmocka tests to confirm lmdb's handling of the free list.
As a result of lmdb's MVCC (Multiversion Concurrency Control) long
running read transactions or stale readers (read transactions where the
process exited without ending the transaction) can cause the database to
run out of space.
Items in the free list are only reused when they would not be visible in
a read transaction. So long running read transactions prevent entries
in the free list being reused, and the database can run out of space.
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This fix the following build failures:
[2466/3864] Linking bin/default/lib/ldb/ldbmodify
In file included from /home/buildroot/autobuild/instance-0/output-1/host/opt/ext-toolchain/lib/gcc/mips64el-buildroot-linux-uclibc/5.5.0/include/stdint.h:9:0,
from ../../lib/tevent/tevent.h:31,
from ../../lib/ldb/include/ldb.h:51,
from ../../lib/ldb/tests/test_ldb_dn.c:25:
/home/buildroot/autobuild/instance-0/output-1/host/mips64el-buildroot-linux-uclibc/sysroot/usr/include/stdint.h:122:27: error: conflicting types for 'uintptr_t'
typedef unsigned long int uintptr_t;
^
In file included from ../../lib/ldb/tests/test_ldb_dn.c:23:0:
/home/buildroot/autobuild/instance-0/output-1/host/mips64el-buildroot-linux-uclibc/sysroot/usr/include/cmocka.h:132:28: note: previous declaration of 'uintptr_t' was here
typedef unsigned int uintptr_t;
^
In file included from /home/buildroot/autobuild/instance-0/output-1/host/opt/ext-toolchain/lib/gcc/mips64el-buildroot-linux-uclibc/5.5.0/include/stdint.h:9:0,
from ../../lib/tevent/tevent.h:31,
from ../../lib/ldb/tests/ldb_key_value_test.c:48:
/home/buildroot/autobuild/instance-0/output-1/host/mips64el-buildroot-linux-uclibc/sysroot/usr/include/stdint.h:122:27: error: conflicting types for 'uintptr_t'
typedef unsigned long int uintptr_t;
^
In file included from ../../lib/ldb/tests/ldb_key_value_test.c:43:0:
/home/buildroot/autobuild/instance-0/output-1/host/mips64el-buildroot-linux-uclibc/sysroot/usr/include/cmocka.h:132:28: note: previous declaration of 'uintptr_t' was here
typedef unsigned int uintptr_t;
^
Fixes:
- http://autobuild.buildroot.org/results/9507739b3d5d51024ee9c60b74c2f85d5004e7e2
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14218
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Reviewed-by: Uri Simchoni <uri@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Gary Lockyer <gary@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Fri Dec 6 11:13:24 UTC 2019 on sn-devel-184
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Isaac Boukris <iboukris@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Thu Dec 5 17:13:36 UTC 2019 on sn-devel-184
We are setting ldb_debug_string() as the ldb debug function. The context
we give it is only valid as long as we're in that function.
On failure, we jump to the teardown function. The pointer for
debug_string isn't valid anymore, but the ldb debug system still points
to that address, and when we store the location of the allocated string,
we overwrite memory, in that case something from talloc and a
talloc_free() then jumps into the nirvana.
Thanks to Florian Weimer who helped debugging this.
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Isaac Boukris <iboukris@samba.org>
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14049
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
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): Tue Aug 27 01:16:33 UTC 2019 on sn-devel-184
Thankfully this only fails if the DB is corrupt and has a duplicate record.
The test was at the wrong end of the loop, and was for the
wrong boundary condition. A write after the end of the array would
occour before the condition was hit.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13695
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
Fix the lmdb size test which ensures that databases > 4GiB can be
written by the lmdb backend. This test is not run as part of the normal
CI run as it exhausts the available disk on the test runners.
It was broken by changes to LDB allowing the lmdb map size to be
specified, and requiring GUID indexing by default.
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Test the the ldb "batch_mode" option sets batch mode operation.
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
As a performance enhancement the key value layer maintains a cache of
the index records, which is written to disk as part of a prepare commit.
This patch adds an extra cache at the operation layer to ensure that the
cached indexes remain consistent in the event of an operation failing.
Add test to test for index corruption in a failed modify.
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Pair-Programmed-With: Andrew Bartlett <abartlet@samba.org>
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Add test exercising the sub/nested transactions wrapping the key value
operations.
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
