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Compatibility with Python 2, and backwards compatibility on Python 2, is kept. Under Python 3, DNs, attribute names, filters, controls are always text (unicode) strings, encoded to/from UTF-8 for storage. Attribute values are byte strings. When creating DNs and attribute values, both text and bytes are accepted. This allows creating messages from homogeneous dicts. LDB Messages and MessageElements have a .text attribute, which offers a text view on the contents: any value retrieved from it will be a text string. The wrapper is implemented in a new Python module. Thanks to Stefan Metzmacher for const warning fixes Signed-off-by: Petr Viktorin <pviktori@redhat.com> Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Andrew Bartlett <abartlet@samba.org>
122 lines
2.9 KiB
C
122 lines
2.9 KiB
C
/*
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Unix SMB/CIFS implementation.
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Python interface to ldb - utility functions.
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Copyright (C) 2007-2010 Jelmer Vernooij <jelmer@samba.org>
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** NOTE! The following LGPL license applies to the ldb
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** library. This does NOT imply that all of Samba is released
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** under the LGPL
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 3 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include <Python.h>
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#include "ldb.h"
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#include "pyldb.h"
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static PyObject *ldb_module = NULL;
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#if PY_MAJOR_VERSION >= 3
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#define PyStr_Check PyUnicode_Check
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#define PyStr_AsUTF8 PyUnicode_AsUTF8
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#else
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#define PyStr_Check PyString_Check
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#define PyStr_AsUTF8 PyString_AsString
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#endif
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/**
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* Find out PyTypeObject in ldb module for a given typename
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*/
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static PyTypeObject * PyLdb_GetPyType(const char *typename)
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{
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PyObject *py_obj = NULL;
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if (ldb_module == NULL) {
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ldb_module = PyImport_ImportModule("ldb");
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if (ldb_module == NULL) {
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return NULL;
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}
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}
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py_obj = PyObject_GetAttrString(ldb_module, typename);
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return (PyTypeObject*)py_obj;
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}
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/**
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* Obtain a ldb DN from a Python object.
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*
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* @param mem_ctx Memory context
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* @param object Python object
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* @param ldb_ctx LDB context
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* @return Whether or not the conversion succeeded
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*/
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bool pyldb_Object_AsDn(TALLOC_CTX *mem_ctx, PyObject *object,
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struct ldb_context *ldb_ctx, struct ldb_dn **dn)
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{
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struct ldb_dn *odn;
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PyTypeObject *PyLdb_Dn_Type;
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if (ldb_ctx != NULL && PyStr_Check(object)) {
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odn = ldb_dn_new(mem_ctx, ldb_ctx, PyStr_AsUTF8(object));
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*dn = odn;
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return true;
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}
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if (ldb_ctx != NULL && PyBytes_Check(object)) {
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odn = ldb_dn_new(mem_ctx, ldb_ctx, PyBytes_AsString(object));
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*dn = odn;
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return true;
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}
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PyLdb_Dn_Type = PyLdb_GetPyType("Dn");
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if (PyLdb_Dn_Type == NULL) {
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return false;
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}
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if (PyObject_TypeCheck(object, PyLdb_Dn_Type)) {
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*dn = pyldb_Dn_AsDn(object);
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return true;
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}
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PyErr_SetString(PyExc_TypeError, "Expected DN");
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return false;
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}
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PyObject *pyldb_Dn_FromDn(struct ldb_dn *dn)
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{
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PyLdbDnObject *py_ret;
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PyTypeObject *PyLdb_Dn_Type;
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if (dn == NULL) {
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Py_RETURN_NONE;
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}
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PyLdb_Dn_Type = PyLdb_GetPyType("Dn");
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if (PyLdb_Dn_Type == NULL) {
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return NULL;
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}
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py_ret = (PyLdbDnObject *)PyLdb_Dn_Type->tp_alloc(PyLdb_Dn_Type, 0);
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if (py_ret == NULL) {
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PyErr_NoMemory();
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return NULL;
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}
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py_ret->mem_ctx = talloc_new(NULL);
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py_ret->dn = talloc_reference(py_ret->mem_ctx, dn);
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return (PyObject *)py_ret;
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}
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