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samba-mirror/source4/lib/ldb/pyldb_util.c
Andrew Tridgell c95c3863df pyldb: expose PyLdbDn_FromDn()
This is needed by the dsdb python interface

Pair-Programmed-With: Andrew Bartlett <abartlet@samba.org>
2010-09-09 21:39:24 +10:00

111 lines
2.8 KiB
C

/*
Unix SMB/CIFS implementation.
Python interface to ldb - utility functions.
Copyright (C) 2007-2010 Jelmer Vernooij <jelmer@samba.org>
** NOTE! The following LGPL license applies to the ldb
** library. This does NOT imply that all of Samba is released
** under the LGPL
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#include <Python.h>
#include "replace.h"
#include "pyldb.h"
#include <ldb.h>
static PyObject *ldb_module = NULL;
/* There's no Py_ssize_t in 2.4, apparently */
#if PY_MAJOR_VERSION == 2 && PY_MINOR_VERSION < 5
typedef int Py_ssize_t;
typedef inquiry lenfunc;
typedef intargfunc ssizeargfunc;
#endif
#ifndef Py_RETURN_NONE
#define Py_RETURN_NONE return Py_INCREF(Py_None), Py_None
#endif
/**
* Obtain a ldb DN from a Python object.
*
* @param mem_ctx Memory context
* @param object Python object
* @param ldb_ctx LDB context
* @return Whether or not the conversion succeeded
*/
bool PyObject_AsDn(TALLOC_CTX *mem_ctx, PyObject *object,
struct ldb_context *ldb_ctx, struct ldb_dn **dn)
{
struct ldb_dn *odn;
PyObject *PyLdb_Dn_Type;
if (ldb_ctx != NULL && PyString_Check(object)) {
odn = ldb_dn_new(mem_ctx, ldb_ctx, PyString_AsString(object));
*dn = odn;
return true;
}
if (ldb_module == NULL) {
ldb_module = PyImport_ImportModule("ldb");
if (ldb_module == NULL)
return false;
}
PyLdb_Dn_Type = PyObject_GetAttrString(ldb_module, "Dn");
if (PyLdb_Dn_Type == NULL)
return false;
if (PyObject_TypeCheck(object, (PyTypeObject *) PyLdb_Dn_Type)) {
*dn = PyLdbDn_AsDn(object);
return true;
}
PyErr_SetString(PyExc_TypeError, "Expected DN");
return false;
}
PyObject *PyLdbDn_FromDn(struct ldb_dn *dn)
{
PyLdbDnObject *py_ret;
PyTypeObject *PyLdb_Dn_Type;
if (dn == NULL) {
Py_RETURN_NONE;
}
if (ldb_module == NULL) {
ldb_module = PyImport_ImportModule("ldb");
if (ldb_module == NULL)
return NULL;
}
PyLdb_Dn_Type = (PyTypeObject *)PyObject_GetAttrString(ldb_module, "Dn");
if (PyLdb_Dn_Type == NULL)
return NULL;
py_ret = (PyLdbDnObject *)PyLdb_Dn_Type->tp_alloc(PyLdb_Dn_Type, 0);
if (py_ret == NULL) {
PyErr_NoMemory();
return NULL;
}
py_ret->mem_ctx = talloc_new(NULL);
py_ret->dn = talloc_reference(py_ret->mem_ctx, dn);
return (PyObject *)py_ret;
}