/*
Unix SMB/CIFS implementation.
- Swig interface to ldb.
+ Python interface to ldb.
Copyright (C) 2005,2006 Tim Potter <tpot@samba.org>
Copyright (C) 2006 Simo Sorce <idra@samba.org>
- Copyright (C) 2007-2008 Jelmer Vernooij <jelmer@samba.org>
+ Copyright (C) 2007-2009 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
#define Py_RETURN_NONE return Py_INCREF(Py_None), Py_None
#endif
-/* Picked out of thin air. To do this properly, we should probably have some part of the
- * errors in LDB be allocated to bindings ? */
-#define LDB_ERR_PYTHON_EXCEPTION 142
-
static PyObject *PyExc_LdbError;
-void PyErr_SetLdbError(int ret, struct ldb_context *ldb_ctx)
-{
- if (ret == LDB_ERR_PYTHON_EXCEPTION)
- return; /* Python exception should already be set, just keep that */
- PyErr_SetObject(PyExc_LdbError, Py_BuildValue(discard_const_p(char, "(i,s)"),
- ret, ldb_ctx == NULL?ldb_strerror(ret):ldb_errstring(ldb_ctx)));
-}
+PyAPI_DATA(PyTypeObject) PyLdbMessage;
+PyAPI_DATA(PyTypeObject) PyLdbModule;
+PyAPI_DATA(PyTypeObject) PyLdbDn;
+PyAPI_DATA(PyTypeObject) PyLdb;
+PyAPI_DATA(PyTypeObject) PyLdbMessageElement;
+PyAPI_DATA(PyTypeObject) PyLdbTree;
static PyObject *PyObject_FromLdbValue(struct ldb_context *ldb_ctx,
struct ldb_message_element *el,
struct ldb_val *val)
{
- const struct ldb_schema_attribute *a;
struct ldb_val new_val;
TALLOC_CTX *mem_ctx = talloc_new(NULL);
PyObject *ret;
-
+
new_val = *val;
-
- if (ldb_ctx != NULL) {
- a = ldb_schema_attribute_by_name(ldb_ctx, el->name);
-
- if (a != NULL) {
- if (a->syntax->ldif_write_fn(ldb_ctx, mem_ctx, val, &new_val) != 0) {
- talloc_free(mem_ctx);
- return NULL;
- }
- }
- }
-
+
ret = PyString_FromStringAndSize((const char *)new_val.data, new_val.length);
-
+
talloc_free(mem_ctx);
-
+
return ret;
}
+/**
+ * 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)
{
return false;
}
+/**
+ * Create a Python object from a ldb_result.
+ *
+ * @param result LDB result to convert
+ * @return Python object with converted result (a list object)
+ */
static PyObject *PyLdbResult_FromResult(struct ldb_result *result)
{
PyObject *ret;
return ret;
}
-static struct ldb_result *PyLdbResult_AsResult(TALLOC_CTX *mem_ctx, PyObject *obj)
+/**
+ * Create a LDB Result from a Python object.
+ * If conversion fails, NULL will be returned and a Python exception set.
+ *
+ * @param mem_ctx Memory context in which to allocate the LDB Result
+ * @param obj Python object to convert
+ * @return a ldb_result, or NULL if the conversion failed
+ */
+static struct ldb_result *PyLdbResult_AsResult(TALLOC_CTX *mem_ctx,
+ PyObject *obj)
{
struct ldb_result *res;
int i;
-
+
if (obj == Py_None)
return NULL;
static PyObject *py_ldb_dn_get_parent(PyLdbDnObject *self)
{
struct ldb_dn *dn = PyLdbDn_AsDn((PyObject *)self);
- return PyLdbDn_FromDn(ldb_dn_get_parent(NULL, dn));
+ struct ldb_dn *parent;
+
+ parent = ldb_dn_get_parent(NULL, dn);
+
+ if (parent == NULL) {
+ Py_RETURN_NONE;
+ } else {
+ return PyLdbDn_FromDn(parent);
+ }
}
#define dn_ldb_ctx(dn) ((struct ldb_context *)dn)
return NULL;
ldb_ctx = PyLdb_AsLdbContext(py_ldb);
-
+
ret = ldb_dn_new(ldb_ctx, ldb_ctx, str);
/* ldb_dn_new() doesn't accept NULL as memory context, so
we do it this way... */
static PyObject *py_ldb_set_debug(PyLdbObject *self, PyObject *args)
{
PyObject *cb;
-
+
if (!PyArg_ParseTuple(args, "O", &cb))
return NULL;
Py_INCREF(cb);
/* FIXME: Where do we DECREF cb ? */
- PyErr_LDB_ERROR_IS_ERR_RAISE(ldb_set_debug(self->ldb_ctx, py_ldb_debug, cb), PyLdb_AsLdbContext(self));
-
+ PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ldb_set_debug(self->ldb_ctx, py_ldb_debug, cb), PyLdb_AsLdbContext(self));
+
Py_RETURN_NONE;
}
static PyObject *py_ldb_transaction_start(PyLdbObject *self)
{
- PyErr_LDB_ERROR_IS_ERR_RAISE(ldb_transaction_start(PyLdb_AsLdbContext(self)), PyLdb_AsLdbContext(self));
+ PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ldb_transaction_start(PyLdb_AsLdbContext(self)), PyLdb_AsLdbContext(self));
Py_RETURN_NONE;
}
static PyObject *py_ldb_transaction_commit(PyLdbObject *self)
{
- PyErr_LDB_ERROR_IS_ERR_RAISE(ldb_transaction_commit(PyLdb_AsLdbContext(self)), PyLdb_AsLdbContext(self));
+ PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ldb_transaction_commit(PyLdb_AsLdbContext(self)), PyLdb_AsLdbContext(self));
Py_RETURN_NONE;
}
static PyObject *py_ldb_transaction_cancel(PyLdbObject *self)
{
- PyErr_LDB_ERROR_IS_ERR_RAISE(ldb_transaction_cancel(PyLdb_AsLdbContext(self)), PyLdb_AsLdbContext(self));
+ PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ldb_transaction_cancel(PyLdb_AsLdbContext(self)), PyLdb_AsLdbContext(self));
Py_RETURN_NONE;
}
static PyObject *py_ldb_setup_wellknown_attributes(PyLdbObject *self)
{
- PyErr_LDB_ERROR_IS_ERR_RAISE(ldb_setup_wellknown_attributes(PyLdb_AsLdbContext(self)), PyLdb_AsLdbContext(self));
+ PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ldb_setup_wellknown_attributes(PyLdb_AsLdbContext(self)), PyLdb_AsLdbContext(self));
Py_RETURN_NONE;
}
return PyLdbDn_FromDn(dn);
}
-
static PyObject *py_ldb_get_config_basedn(PyLdbObject *self)
{
struct ldb_dn *dn = ldb_get_config_basedn(PyLdb_AsLdbContext(self));
return PyLdbDn_FromDn(dn);
}
-
static PyObject *py_ldb_get_default_basedn(PyLdbObject *self)
{
struct ldb_dn *dn = ldb_get_default_basedn(PyLdb_AsLdbContext(self));
if (options == NULL)
return -1;
}
-
+
if (url != NULL) {
ret = ldb_connect(ldb, url, flags, options);
if (ret != LDB_SUCCESS) {
- PyErr_SetLdbError(ret, ldb);
+ PyErr_SetLdbError(PyExc_LdbError, ret, ldb);
return -1;
}
}
if (options == NULL)
return NULL;
}
-
+
ret = ldb_connect(PyLdb_AsLdbContext(self), url, flags, options);
talloc_free(options);
- PyErr_LDB_ERROR_IS_ERR_RAISE(ret, PyLdb_AsLdbContext(self));
+ PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ret, PyLdb_AsLdbContext(self));
Py_RETURN_NONE;
}
}
ret = ldb_modify(PyLdb_AsLdbContext(self), PyLdbMessage_AsMessage(py_msg));
- PyErr_LDB_ERROR_IS_ERR_RAISE(ret, PyLdb_AsLdbContext(self));
+ PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ret, PyLdb_AsLdbContext(self));
Py_RETURN_NONE;
}
} else {
msg = PyLdbMessage_AsMessage(py_msg);
}
-
+
ret = ldb_add(PyLdb_AsLdbContext(self), msg);
- PyErr_LDB_ERROR_IS_ERR_RAISE(ret, PyLdb_AsLdbContext(self));
+ PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ret, PyLdb_AsLdbContext(self));
Py_RETURN_NONE;
}
-
-
static PyObject *py_ldb_delete(PyLdbObject *self, PyObject *args)
{
PyObject *py_dn;
return NULL;
ret = ldb_delete(ldb, dn);
- PyErr_LDB_ERROR_IS_ERR_RAISE(ret, ldb);
+ PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ret, ldb);
Py_RETURN_NONE;
}
return NULL;
ret = ldb_rename(ldb, dn1, dn2);
- PyErr_LDB_ERROR_IS_ERR_RAISE(ret, ldb);
+ PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ret, ldb);
Py_RETURN_NONE;
}
ret = ldb_schema_attribute_add(PyLdb_AsLdbContext(self), attribute, flags, syntax);
- PyErr_LDB_ERROR_IS_ERR_RAISE(ret, PyLdb_AsLdbContext(self));
+ PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ret, PyLdb_AsLdbContext(self));
Py_RETURN_NONE;
}
if (!PyArg_ParseTuple(args, "sO", &element_name, &val))
return NULL;
-
+
mem_ctx = talloc_new(NULL);
-
+
old_val.data = (uint8_t *)PyString_AsString(val);
old_val.length = PyString_Size(val);
-
+
a = ldb_schema_attribute_by_name(PyLdb_AsLdbContext(self), element_name);
if (a == NULL) {
Py_RETURN_NONE;
}
-
+
if (a->syntax->ldif_write_fn(PyLdb_AsLdbContext(self), mem_ctx, &old_val, &new_val) != 0) {
talloc_free(mem_ctx);
Py_RETURN_NONE;
struct ldb_context *ldb_ctx;
struct ldb_control **parsed_controls;
struct ldb_dn *base;
+ PyObject *py_ret;
if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|OizOO",
discard_const_p(char *, kwnames),
if (py_attrs == Py_None) {
attrs = NULL;
} else {
- attrs = PyList_AsStringList(ldb_ctx, py_attrs, "attrs");
+ attrs = PyList_AsStringList(NULL, py_attrs, "attrs");
if (attrs == NULL)
return NULL;
}
if (py_base == Py_None) {
base = ldb_get_default_basedn(ldb_ctx);
} else {
- if (!PyObject_AsDn(ldb_ctx, py_base, ldb_ctx, &base))
+ if (!PyObject_AsDn(ldb_ctx, py_base, ldb_ctx, &base)) {
+ talloc_free(attrs);
return NULL;
+ }
}
if (py_controls == Py_None) {
res = talloc_zero(ldb_ctx, struct ldb_result);
if (res == NULL) {
PyErr_NoMemory();
+ talloc_free(attrs);
return NULL;
}
ldb_search_default_callback,
NULL);
+ talloc_steal(req, attrs);
+
if (ret != LDB_SUCCESS) {
talloc_free(res);
- PyErr_LDB_ERROR_IS_ERR_RAISE(ret, ldb_ctx);
+ PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ret, ldb_ctx);
return NULL;
}
ret = ldb_request(ldb_ctx, req);
-
+
if (ret == LDB_SUCCESS) {
ret = ldb_wait(req->handle, LDB_WAIT_ALL);
}
if (ret != LDB_SUCCESS) {
talloc_free(res);
- PyErr_LDB_ERROR_IS_ERR_RAISE(ret, ldb_ctx);
+ PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ret, ldb_ctx);
return NULL;
}
- return PyLdbResult_FromResult(res);
+ py_ret = PyLdbResult_FromResult(res);
+
+ talloc_free(res);
+
+ return py_ret;
}
static PyObject *py_ldb_get_opaque(PyLdbObject *self, PyObject *args)
ret = ldb_search(ldb_ctx, ldb_ctx, &result, dn, LDB_SCOPE_BASE, NULL, NULL);
if (ret != LDB_SUCCESS) {
- PyErr_SetLdbError(ret, ldb_ctx);
+ PyErr_SetLdbError(PyExc_LdbError, ret, ldb_ctx);
return -1;
}
static PyObject *py_ldb_module_search(PyLdbModuleObject *self, PyObject *args, PyObject *kwargs)
{
- PyObject *py_base, *py_tree, *py_attrs;
+ PyObject *py_base, *py_tree, *py_attrs, *py_ret;
int ret, scope;
struct ldb_request *req;
const char * const kwnames[] = { "base", "scope", "tree", "attrs", NULL };
struct ldb_module *mod;
+ const char * const*attrs;
if (!PyArg_ParseTupleAndKeywords(args, kwargs, "OiOO",
discard_const_p(char *, kwnames),
mod = self->mod;
+ if (py_attrs == Py_None) {
+ attrs = NULL;
+ } else {
+ attrs = PyList_AsStringList(NULL, py_attrs, "attrs");
+ if (attrs == NULL)
+ return NULL;
+ }
+
ret = ldb_build_search_req(&req, mod->ldb, NULL, PyLdbDn_AsDn(py_base),
- scope, NULL /* expr */, py_attrs == Py_None?NULL:PyList_AsStringList(req, py_attrs, "attrs"),
+ scope, NULL /* expr */, attrs,
NULL /* controls */, NULL, NULL, NULL);
- PyErr_LDB_ERROR_IS_ERR_RAISE(ret, mod->ldb);
+
+ talloc_steal(req, attrs);
+
+ PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ret, mod->ldb);
+
+ req->op.search.res = NULL;
ret = mod->ops->search(mod, req);
- talloc_free(req);
- PyErr_LDB_ERROR_IS_ERR_RAISE(ret, mod->ldb);
+ PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ret, mod->ldb);
- return PyLdbResult_FromResult(req->op.search.res);
+ py_ret = PyLdbResult_FromResult(req->op.search.res);
+
+ talloc_free(req);
+
+ return py_ret;
}
mod = PyLdbModule_AsModule(self);
ret = mod->ops->add(mod, req);
- PyErr_LDB_ERROR_IS_ERR_RAISE(ret, mod->ldb);
+ PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ret, mod->ldb);
Py_RETURN_NONE;
}
if (!PyArg_ParseTuple(args, "O", &py_message))
return NULL;
-
+
req = talloc_zero(NULL, struct ldb_request);
req->operation = LDB_MODIFY;
req->op.mod.message = PyLdbMessage_AsMessage(py_message);
-
+
mod = PyLdbModule_AsModule(self);
ret = mod->ops->modify(mod, req);
- PyErr_LDB_ERROR_IS_ERR_RAISE(ret, mod->ldb);
+ PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ret, mod->ldb);
Py_RETURN_NONE;
}
if (!PyArg_ParseTuple(args, "O", &py_dn))
return NULL;
-
+
req = talloc_zero(NULL, struct ldb_request);
req->operation = LDB_DELETE;
req->op.del.dn = PyLdbDn_AsDn(py_dn);
-
+
ret = PyLdbModule_AsModule(self)->ops->del(PyLdbModule_AsModule(self), req);
- PyErr_LDB_ERROR_IS_ERR_RAISE(ret, NULL);
+ PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ret, NULL);
Py_RETURN_NONE;
}
if (!PyArg_ParseTuple(args, "OO", &py_dn1, &py_dn2))
return NULL;
-
+
req = talloc_zero(NULL, struct ldb_request);
req->operation = LDB_RENAME;
req->op.rename.olddn = PyLdbDn_AsDn(py_dn1);
req->op.rename.newdn = PyLdbDn_AsDn(py_dn2);
-
+
ret = PyLdbModule_AsModule(self)->ops->rename(PyLdbModule_AsModule(self), req);
- PyErr_LDB_ERROR_IS_ERR_RAISE(ret, NULL);
+ PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ret, NULL);
Py_RETURN_NONE;
}
.tp_flags = Py_TPFLAGS_DEFAULT,
};
+
+/**
+ * Create a ldb_message_element from a Python object.
+ *
+ * This will accept any sequence objects that contains strings, or
+ * a string object.
+ *
+ * A reference to set_obj will be borrowed.
+ *
+ * @param mem_ctx Memory context
+ * @param set_obj Python object to convert
+ * @param flags ldb_message_element flags to set
+ * @param attr_name Name of the attribute
+ * @return New ldb_message_element, allocated as child of mem_ctx
+ */
struct ldb_message_element *PyObject_AsMessageElement(TALLOC_CTX *mem_ctx,
PyObject *set_obj, int flags,
const char *attr_name)
me->num_values = 1;
me->values = talloc_array(me, struct ldb_val, me->num_values);
me->values[0].length = PyString_Size(set_obj);
- me->values[0].data = (uint8_t *)talloc_strndup(me->values,
- PyString_AsString(set_obj),
- me->values[0].length);
+ me->values[0].data = (uint8_t *)PyString_AsString(set_obj);
} else if (PySequence_Check(set_obj)) {
int i;
me->num_values = PySequence_Size(set_obj);
PyErr_NoMemory();
return NULL;
}
-
+
ret->mem_ctx = talloc_new(NULL);
ret->tree = talloc_reference(ret->mem_ctx, tree);
return (PyObject *)ret;
ret = ldb_register_module(ops);
- PyErr_LDB_ERROR_IS_ERR_RAISE(ret, NULL);
+ PyErr_LDB_ERROR_IS_ERR_RAISE(PyExc_LdbError, ret, NULL);
Py_RETURN_NONE;
}