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29 Commits

Author SHA1 Message Date
Joseph Sutton
207a212948 lib:ldb: Fix typo
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
2023-03-03 01:07:36 +00:00
Douglas Bagnall
2aace18f17 ldb_controls: control_to_string avoids crash
Otherwise a malformed control with unexpected NULL data will segfault
ldb_control_to_string(), though this is not very likely to affect
anyone in practice as converting controls to strings is rarely
necessary. If it happens at all in Samba it is in Python code.

Found by Honggfuzz using fuzz_ldb_parse_control.

Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andreas Schneider <asn@samba.org>

Autobuild-User(master): Douglas Bagnall <dbagnall@samba.org>
Autobuild-Date(master): Wed Jul 29 04:43:23 UTC 2020 on sn-devel-184
2020-07-29 04:43:23 +00:00
Douglas Bagnall
def6b65c42 ldb/controls: avoid stealing our own stuff
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
2020-06-13 05:25:31 +00:00
Gary Lockyer
79460b1b9f lib ldb common: Fix memory leak
TALLOC_FREE the ldb_control allocated in ldb_parse_control_from_string
when none of the cases match.

Credit to OSS-Fuzz

Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: David Disseldorp <ddiss@samba.org>
2020-01-15 19:58:41 +00:00
Douglas Bagnall
16ca385013 ldb controls: fix typo in bypassoperational message
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
2020-01-12 19:50:37 +00:00
Garming Sam
ad8bb6fcd0 ldb_controls: Add some talloc error checking for controls
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13686

Signed-off-by: Garming Sam <garming@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
2018-11-20 22:14:16 +01:00
Garming Sam
b7a0d3b110 dirsync: Allow arbitrary length cookies
The length of the cookie is proportional to the number of DCs ever in
the domain (as it stores the uptodateness vector which has stale
invocationID).

BUG: https://bugzilla.samba.org/show_bug.cgi?id=13686

Signed-off-by: Garming Sam <garming@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
2018-11-20 22:14:16 +01:00
Douglas Bagnall
5e4f39ad60 ldb_controls: avoid unnecessary unchecked talloc_asprintf()s
The error paths when a control doesn't parse involved a lot of
talloc_asprintf()s and talloc_asprintf_append()s but almost no actual
printf formatting. The return values were not checked. This replaces
them with constant strings.

The one case that did use formatting looked like this:

 "invalid %s control syntax\n",  LDB_CONTROL_DIRSYNC_EX_NAME

and that has been replaced with

  "invalid dirsync_ex control syntax\n"

in line with the way it is done elsewhere.

Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
2016-03-22 08:00:32 +01:00
Douglas Bagnall
bd6a0220f4 ldb controls: allow paged_search to use a cookie
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
2016-03-22 08:00:32 +01:00
Douglas Bagnall
7bd06613da ldb client controls: don't ignore failed memdup
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
2016-03-22 08:00:31 +01:00
Douglas Bagnall
578643fb36 ldb controls: don't ignore memory allocation failure
Thanks to Jeremy Allison for noticing this.

Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
2016-03-22 08:00:31 +01:00
Douglas Bagnall
e806824fc8 ldb client controls: avoid talloc_memdup(x, y, (size_t)-1);
ldb_base64_decode() returns -1 if a string can't be parsed as base64,
and this is not the kind of value you want to use in talloc_memdup().

In these cases it can happen innocently if the strings are truncated
to fit in their buffers.

Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by:  Volker Lendecke <Volker.Lendecke@SerNet.DE>
Reviewed-by: Jeremy Allison <jra@samba.org>

Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Sat Mar 19 00:56:42 CET 2016 on sn-devel-144
2016-03-19 00:56:42 +01:00
Douglas Bagnall
577f972f45 ldb_controls: add base64 option to VLV
The Samba control syntax limits the range of valid search terms for
VLV's gt_eq mode. To get around that, we allow base64 encoded strings
using the syntax 'base64>=Zm9vCg==' rather than '>=foo'.

Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
2016-03-09 10:32:16 +01:00
Douglas Bagnall
16fda12282 ldb controls: use uint8_t* for contextID binary blob
It is never a readable string.

Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Signed-off-by: Garming Sam <garming@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
2016-03-09 10:32:16 +01:00
Douglas Bagnall
177ca764fc vlv: better syntax for parsing greater than or equal strings
This makes the gt_eq case different from the indexed case in the eyes
of sscanf().

Pair-programmed-with: Garming Sam <garming@catalyst.net.nz>
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
2016-03-09 10:32:16 +01:00
Douglas Bagnall
78f8a89bdd ldb controls: better error string for VLV control
Pair-programmed-with: Garming Sam <garming@catalyst.net.nz>
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
2016-03-09 10:32:16 +01:00
Garming Sam
2973d4cd0f ldb controls: base64 encode VLV response context strings
Pair-programmed-with: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Signed-off-by: Garming Sam <garming@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
2016-03-09 10:32:16 +01:00
Stefan Metzmacher
ad2b5fae7f ldb: add support for LDB_CONTROL_DIRSYNC_EX
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
2016-02-17 03:43:23 +01:00
Mathieu Parent
c315fce17e Fix various spelling errors
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>

Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Fri Nov  6 13:43:45 CET 2015 on sn-devel-104
2015-11-06 13:43:45 +01:00
Volker Lendecke
dea49cc7c0 ldb: Fix CID 1034781 Unsigned compared against 0
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2015-09-30 23:51:12 +02:00
Matthieu Patou
9ebb081cce ldb: add the VERIFY_NAME control 2012-06-22 23:22:02 -07:00
Matthias Dieter Wallnöfer
9ab7299b32 ldb:ldb/common/ldb_controls.c - reference "err_string" variable correctly
Signed-off-by: Stefan Metzmacher <metze@samba.org>
2012-01-02 19:10:04 +01:00
Stefan Metzmacher
94899cd83c Revert "ldb: support raw OIDs in control string parsing"
This reverts commit ea41860d32d38448e08cefd79d30ee1150317a9e.

This is not needed, because we already have the 'local_oid' magic.

metze
2011-10-07 12:20:49 +02:00
Stefan Metzmacher
ec910d94d3 ldb/ldb_controls: allow oid up to 255 chars
We have char oid[256], so allow sscanf() to consume 255 chars.

metze
2011-10-07 12:20:48 +02:00
Andrew Tridgell
ea41860d32 ldb: support raw OIDs in control string parsing
this makes it possible to use a raw OID string on the command line or
in python scripts

Pair-Programmed-With: Andrew Bartlett <abartlet@samba.org>
2011-10-06 14:34:21 +11:00
Andrew Tridgell
b3476f00a6 ldb: fixed memory leak in control string parsing
if parsing fails, free ctrl

Pair-Programmed-With: Andrew Bartlett <abartlet@samba.org>
2011-10-06 14:34:21 +11:00
Matthias Dieter Wallnöfer
80f6932e3e ldb:ldb_controls.c - remove duplicate definition of "LDB_CONTROL_CMP"
And fix the comment

Reviewed-by: Jelmer
2011-09-11 17:33:08 +02:00
Matthias Dieter Wallnöfer
aefde815ac ldb:ldb_controls.c - cosmetic indentation fix 2011-08-19 19:31:04 +02:00
Andrew Bartlett
8420a36dc7 ldb: make ldb a top level library for Samba 4.0
Signed-off-by: Andrew Tridgell <tridge@samba.org>
2011-07-05 17:24:47 +10:00