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Deleting an attribute in Python (using the "del" statement) is (at
some stages along a winding path, for C objects) converted into
setting the attribute to NULL. Not None, actual NULL. The way we
handled this NULL was to dereference it. This changes the behaviour to
raising an AttributeError, which is more or less what Python does in
similar situations with builtin objects.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
The previous string handling assumed the python variables referenced
by PyString_AS_STRING had infinite life. When they were re-used
the C structure started to point at unexpected things.
We now check correctly for Unicode in every case, and we always
duplicate the string with talloc_strdup()
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
When pulling complex structures like nt-acls, a long list of tokens may
be produced. By removing tokens along the way with ndr_token_steal,
future calls to retrieve from the token list are not as expensive.
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>
When pulling complex structures like nt-acls, a long list of tokens
may be produced. This change means the token list won't be walked in the
buffers case if the switch value is not needed.
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>
This is so we free the ndr_push_struct_blob() return value after
we make it into a string
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
This is already set to pytalloc_get_mem_ctx(py_obj)
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
The new talloc.BaseObject allow us to hold a talloc context per
python object (there may be many referring to the same C object)
and the talloc context that the actual object pointer is under.
Another advantage is that talloc.BaseObject(), has less of
an ABI surface.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
This changes the type used for # arguments to PyArg_ParseTupleAndKeywords
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Jelmer Vernooij <jelmer@samba.org>
The 'import *' statements make it more difficult to reason about
the modules and tends to conceal bugs. These changes enable running
pyflakes against most of the build scripts.
Signed-off-by: Thomas Nagy <tnagy@waf.io>
Reviewed-by: Andrew Bartlet <abartlet@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Wed Oct 28 12:52:17 CET 2015 on sn-devel-104
This should isolate any coverity warnings on 64-bit platforms
(where LONG_MAX is larger than any possible 32 bit value) to
a single spot, or possibly eliminate it.
This is needed for the unsigned 64 bit case, and on 32 bit
systems, as PyInt_FromLong is limited to a signed "long" int.
The compiler should be able to eliminate many of these calls
with the embedded type knowlege.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11429
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
This avoids a << of 64 bits in the unused end of the conditional expression.
This was flagged by Coverity and the fix was suggested by metze.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11429
Andrew Bartlett
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
We do not write network services in Python, so this is not a security issue, but would cause
a crash or other odd behaviour if the length was changed
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11430
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
In particular, it is critical that we use unsigned integers of
sufficient size in python for unsigned C integers, and it is
critical that we check for overflow at both the python and C
level.
Otherwise, we may both represent and sort these incorrectly,
in particular when sorting attributeID values from DRSUAPI
which are represented as an signed enum in C and a uint32_t in IDL,
but which often has the high bit set (in schema extensions).
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11429
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
We now pass multiple callbacks $check, $cleanup, $return
down to AllocOutVar().
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
This follows their treatment in librpc/ndr/ndr_basic.c.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-By: Jelmer Vernooij <jelmer@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Tue Jul 7 07:19:49 CEST 2015 on sn-devel-104
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This caused a compilation error on i386:
default/librpc/gen_ndr/py_server_id.c:216:75: error: overflow in implicit constant conversion [-Werror=overflow]
PyModule_AddObject(m, "SERVERID_UNIQUE_ID_NOT_TO_VERIFY", PyInt_FromLong(0xFFFFFFFFFFFFFFFFULL));
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This was reported by Coverity as
CID 1288527: Null pointer dereferences (REVERSE_INULL)
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
This changes
for (value_cntr_1 = 0; value_cntr_1 < r->out.length?*r->out.length:0; value_cntr_1++) {
into:
for (value_cntr_1 = 0; value_cntr_1 < (r->out.length?*r->out.length:0); value_cntr_1++) {
it fixes a possible endless loop resulting in a crash.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
This changes
for (value_cntr_1 = 0; value_cntr_1 < r->out.length?*r->out.length:0; value_cntr_1++) {
into:
for (value_cntr_1 = 0; value_cntr_1 < (r->out.length?*r->out.length:0); value_cntr_1++) {
it fixes a possible endless loop resulting in a crash.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Richard Sharpe <realrichardsharpe@gmail.com>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Fri May 15 22:19:38 CEST 2015 on sn-devel-104
This stops emmiting hundreds of warnings when compiling with
-Wmissing-prototypes.
Guenther
Signed-off-by: Günther Deschner <gd@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
Autobuild-User(master): Michael Adam <obnox@samba.org>
Autobuild-Date(master): Wed Mar 25 20:45:01 CET 2015 on sn-devel-104
This is necessary since Server.pm generates calls to DEBUG().
Signed-Off-By: Jelmer Vernooij <jelmer@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Tue Mar 24 02:40:00 CET 2015 on sn-devel-104
This macro was used for compatibility with broken compilers.
Since Python 2.3, it is always defined as `static`, and only exists
"for source compatibility with old C extensions".
Signed-off-by: Petr Viktorin <pviktori@redhat.com>
Reviewed-by: Jelmer Vernooij <jelmer@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Matthieu Patou <mat@matws.net>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Fri Oct 24 01:39:16 CEST 2014 on sn-devel-104
Some dissection function will try to do alignment if the no_align flag
is not set.
Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Matthieu Patou <mat@matws.net>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Instead of passing a uint32 in all cases we pass the exact type
Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>
Change-Id: Ib79f1fa56d5aeb30c6e57eea8f0a48db60f6484d
Signed-off-by: Matthieu Patou <mat@matws.net>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Matthieu Patou <mat@matws.net>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Fri Oct 10 00:32:40 CEST 2014 on sn-devel-104
We can use this to change the type FT_BYTE when we realize that the
object dissected is an array of bytes
Change-Id: I2d09c557fd050d0c279b8fff0a27db53403366ca
Signed-off-by: Matthieu Patou <mat@matws.net>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
