/* 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 "ldb.h" #include "pyldb.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 /** * Find out PyTypeObject in ldb module for a given typename */ static PyTypeObject * PyLdb_GetPyType(const char *typename) { PyObject *py_obj = NULL; if (ldb_module == NULL) { ldb_module = PyImport_ImportModule("ldb"); if (ldb_module == NULL) { return NULL; } } py_obj = PyObject_GetAttrString(ldb_module, typename); return (PyTypeObject*)py_obj; } /** * 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; PyTypeObject *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; } PyLdb_Dn_Type = PyLdb_GetPyType("Dn"); if (PyLdb_Dn_Type == NULL) { return false; } if (PyObject_TypeCheck(object, 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; } PyLdb_Dn_Type = PyLdb_GetPyType("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; }