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Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Wed Aug 7 07:25:39 UTC 2019 on sn-devel-184
This adds a direct conversion hook using libicu to perform NFC <-> NFD
conversion on UTF8 strings. The defined charset strings are "UTF8-NFC" and
"UTF8-NFD", to convert from one to the other the caller calls smb_iconv_open()
with the desired source and target charsets, eg
smb_iconv_open("UTF8-NFD", "UTF8-NFC");
for converting from NFC to NFD.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Use the oLschema2ldif library functions introduced in commit
0c7c44a284a26790081c000f5b8f4ed32f9f21d7 to implement a fuzzing utility.
Signed-off-by: Michael Hanselmann <public@hansmi.ch>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
The "tiniparser_load" function is made into a wrapper for the newly
added "tiniparser_load_stream" function which accepts a FILE pointer.
This way no actual files have to be opened for fuzzing (memfd_create(2)
isn't readily available on all systems yet).
Signed-off-by: Michael Hanselmann <public@hansmi.ch>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
LibFuzzer, Honggfuzz and other programs implement simple interfaces for
fuzzing appropriately prepared code. Samba contains quite a lot of
parsing code, often a good target for fuzzing.
With this change the build system is amended to support building fuzzing
binaries (added in later changes).
Signed-off-by: Michael Hanselmann <public@hansmi.ch>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
When you set
in tdbtorture.c to make it more similar to locking.tdb use,
bin/tdbtorture -m -n 1 -l 100000 -s
becomes twice as fast. This is a pretty extreme case, but all other
tests that I did improve significantly as well.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This is common between both implementations of tdb_oob(). It's
faster if we don't have to dereference function pointers.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
tdb_oob() will become a public function encapsulating the pointer
dereferences.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Use iterate_range kv op to skip the index section of the database when
running a full search. Quick local testing showed 18% improved throughput
on a full search with no results on a 50k database. With more results,
improvement is smaller but still noticeable.
Signed-off-by: Aaron Haslett <aaronhaslett@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Fri Aug 2 02:29:42 UTC 2019 on sn-devel-184
We have a GnuTLS DCEPRC backupkey implementation for the server and the
test. However this is only working with GnuTLS >= 3.4.7. So we need to
keep this around till we can require at least GnuTLS in a newer version.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14031
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Fixes:
lib/addns/dnsquery.c:222:10: warning: Assigned value is garbage or undefined <--[clang]
*numdcs = num_srvs; /* size_t->int */
^
1 warning generated.
Also fixes the out param being modified even on failure
Signed-off-by: Noel Power <noel.power@suse.com>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
Fixes:
/home/samba/samba/lib/addns/dnsmarshall.c:406:2: warning: Value stored to 'err' is never read <--[clang]
err = ERROR_DNS_NO_MEMORY;
^ ~~~~~~~~~~~~~~~~~~~
/home/samba/samba/lib/addns/dnsmarshall.c:447:3: warning: Value stored to 'err' is never read <--[clang]
err = buf->error;
^ ~~~~~~~~~~
2 warnings generated.
Signed-off-by: Noel Power <noel.power@suse.com>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
Fixes:
lib/addns/dnssock.c:143:3: warning: The left operand of '!=' is a garbage value <--[clang]
TALLOC_FREE(conn);
^
1 warning generated.
Signed-off-by: Noel Power <noel.power@suse.com>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
* add pytalloc_get_name() to safely access te talloc name in Python bindings
* Use a new minor version to allow talloc updates in the 4.11 release stream
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz
Being careful is good and all, but if we don't trust the
static PyTypeObject *type = NULL;
two lines up, we need to reconsider our entire software universe.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
If the python object is not a talloc object, we will end up
with a NULL pointer. We weren't checking for that properly
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
In several places we go
talloc_get_name(pytalloc_get_ptr(py_obj))
which is a certain NULL derefernce if py_obj is not a talloc object.
This is a helper function that chooses to say "non-talloc object"
rather than crash.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
FIPS requires that a random number generator from a certified crypto
library is used.
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): Thu Jul 18 01:30:20 UTC 2019 on sn-devel-184
Triggered by two coverity false positives. Loading both files into
talloc'ed memory seems inefficient to me. Rely on stdio to do proper
buffering. This removes the restriction from ae95d611: "It is meant for
small files".
This is more lines, but to me it has less implicit complexity.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Uri Simchoni <uri@samba.org>
Autobuild-User(master): Uri Simchoni <uri@samba.org>
Autobuild-Date(master): Wed Jul 17 12:45:51 UTC 2019 on sn-devel-184
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
Autobuild-User(master): Douglas Bagnall <dbagnall@samba.org>
Autobuild-Date(master): Wed Jul 10 05:48:52 UTC 2019 on sn-devel-184
There was no way to call ldb.open without evoking signal 11, so it is
unlikely anyone was using it.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
Following the python/C convention for checking vs non-checking
convertors.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
In the Python/C API, conversion functions which check the types of their arguments
have names like:
double PyFloat_AsDouble(PyObject *pyfloat);
while conversion macros that don't check have names like:
PyFloat_AS_DOUBLE(pyfloat)
The pyldb_Ldb_AsLdbContext() macro looks like one of the checking functions
but it actually isn't. This has fooled us more than once. Here we fork
the macro into two -- one which performs checks and keeps the camel
case, and one with a shouty name that keeps the check-free behaviour.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
This will be used by pyldb_Ldb_AsLdbContext().
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
If you try to add a dn to itself, it expands as it goes. The resulting
loop cannot end well.
It looks like this in Python:
dn = ldb.Dn(ldb.Ldb(), 'CN=y,DC=x')
dn.add_base(dn)
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
SMB2_02 was available with Windows Vista.
It's time to turn SMB1 off by default.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Fixes:
lib/param/loadparm.c:2164:2: warning: Value stored to 'bRetval' is never read <--[clang]
bRetval = false;
^ ~~~~~
1 warning generated.
Signed-off-by: Noel Power <noel.power@suse.com>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
Fixes lib/util/iov_buf.c:50:4: warning: Null pointer passed as an argument to a 'nonnull' parameter <--[clang]
memcpy(p, iov[i].iov_base, thislen);
^
1 warning generated.
Signed-off-by: Noel Power <noel.power@suse.com>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
len includes space for the NUL character, so the calculation needs to
take the NUL character into account.
While touching this, drop unnecessary casts by updating format string
and update to modern debug macro.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Fri Jul 5 02:24:52 UTC 2019 on sn-devel-184
Avoid parenthesising an unsigned subtraction that can be negative and,
therefore, underflow. There is no need for the parentheses and
removing them results in an expression that is evaluated left-to-right
and can not underflow.
It isn't clear that the underflow matters. lp <= ls, so if (li - lp)
underflows then ls + (li - lp) will always overflow. This should
produce the correct answer. However, depending on this seems wrong.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
* add ldb_options_get
add a function to get the options passed in ldb connect.
* add "batch_mode" option.
This options stops sub transactions being started for key value
operations. It is intended to improve the performance in batch
operations. As it bypasses the protections on operations if an
operation fails, the entire transaction will be aborted by a commit.
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
The previous code would override the caller with the DB size
estimate rather than allowing the caller to force the bigger size.
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
