2 Unix SMB/CIFS implementation.
6 Copyright (C) 2005,2006 Tim Potter <tpot@samba.org>
7 Copyright (C) 2006 Simo Sorce <idra@samba.org>
8 Copyright (C) 2007-2008 Jelmer Vernooij <jelmer@samba.org>
10 ** NOTE! The following LGPL license applies to the ldb
11 ** library. This does NOT imply that all of Samba is released
14 This library is free software; you can redistribute it and/or
15 modify it under the terms of the GNU Lesser General Public
16 License as published by the Free Software Foundation; either
17 version 3 of the License, or (at your option) any later version.
19 This library is distributed in the hope that it will be useful,
20 but WITHOUT ANY WARRANTY; without even the implied warranty of
21 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
22 Lesser General Public License for more details.
24 You should have received a copy of the GNU Lesser General Public
25 License along with this library; if not, see <http://www.gnu.org/licenses/>.
36 #include "ldb_errors.h"
37 #include "ldb_private.h"
39 typedef struct ldb_message ldb_msg;
40 typedef struct ldb_context ldb;
41 typedef struct ldb_dn ldb_dn;
42 typedef struct ldb_ldif ldb_ldif;
43 typedef struct ldb_message_element ldb_msg_element;
44 typedef int ldb_error;
45 typedef int ldb_int_error;
51 %include "exception.i"
54 /* Don't expose talloc contexts in Python code. Python does reference
55 counting for us, so just create a new top-level talloc context.
57 %typemap(in, numinputs=0, noblock=1) TALLOC_CTX * {
63 %constant int SCOPE_DEFAULT = LDB_SCOPE_DEFAULT;
64 %constant int SCOPE_BASE = LDB_SCOPE_BASE;
65 %constant int SCOPE_ONELEVEL = LDB_SCOPE_ONELEVEL;
66 %constant int SCOPE_SUBTREE = LDB_SCOPE_SUBTREE;
68 %constant int CHANGETYPE_NONE = LDB_CHANGETYPE_NONE;
69 %constant int CHANGETYPE_ADD = LDB_CHANGETYPE_ADD;
70 %constant int CHANGETYPE_DELETE = LDB_CHANGETYPE_DELETE;
71 %constant int CHANGETYPE_MODIFY = LDB_CHANGETYPE_MODIFY;
74 * Wrap struct ldb_context
77 /* The ldb functions will crash if a NULL ldb context is passed so
78 catch this before it happens. */
80 %typemap(check,noblock=1) struct ldb_context* {
82 SWIG_exception(SWIG_ValueError,
83 "ldb context must be non-NULL");
86 %typemap(check,noblock=1) ldb_msg * {
88 SWIG_exception(SWIG_ValueError,
89 "Message can not be None");
96 %typemap(in,noblock=1) struct ldb_val *INPUT (struct ldb_val temp) {
98 if (!PyString_Check($input)) {
99 PyErr_SetString(PyExc_TypeError, "string arg expected");
102 $1->length = PyString_Size($input);
103 $1->data = PyString_AsString($input);
107 PyObject *ldb_val_to_py_object(struct ldb_context *ldb_ctx,
108 struct ldb_message_element *el,
111 const struct ldb_schema_attribute *a;
112 struct ldb_val new_val;
113 TALLOC_CTX *mem_ctx = talloc_new(NULL);
118 if (ldb_ctx != NULL) {
119 a = ldb_schema_attribute_by_name(ldb_ctx, el->name);
122 if (a->syntax->ldif_write_fn(ldb_ctx, mem_ctx, val, &new_val) != 0) {
123 talloc_free(mem_ctx);
129 ret = PyString_FromStringAndSize((const char *)new_val.data, new_val.length);
131 talloc_free(mem_ctx);
138 %typemap(out,noblock=1) struct ldb_val * {
139 $result = PyString_FromStringAndSize((const char *)$1->data, $1->length)
142 %typemap(out,noblock=1) struct ldb_val {
143 $result = PyString_FromStringAndSize((const char *)$1.data, $1.length)
147 * Wrap struct ldb_result
150 %typemap(in,noblock=1,numinputs=0) struct ldb_result **OUT (struct ldb_result *temp_ldb_result) {
151 $1 = &temp_ldb_result;
155 %typemap(argout,noblock=1) struct ldb_result ** (int i) {
156 $result = PyList_New((*$1)->count);
157 for (i = 0; i < (*$1)->count; i++) {
158 PyList_SetItem($result, i,
159 SWIG_NewPointerObj((*$1)->msgs[i], SWIGTYPE_p_ldb_message, 0)
164 %typemap(in,noblock=1,numinputs=1) const char * const *NULL_STR_LIST {
165 if ($input == Py_None) {
167 } else if (PySequence_Check($input)) {
169 $1 = talloc_array(NULL, char *, PySequence_Size($input)+1);
170 for(i = 0; i < PySequence_Size($input); i++)
171 $1[i] = PyString_AsString(PySequence_GetItem($input, i));
174 SWIG_exception(SWIG_TypeError, "expected sequence");
178 %typemap(freearg,noblock=1) const char * const *NULL_STR_LIST {
182 %apply const char * const *NULL_STR_LIST { const char * const *attrs }
183 %apply const char * const *NULL_STR_LIST { const char * const *control_strings }
187 %types(struct ldb_result *);
193 %rename(__str__) ldb_dn::get_linearized;
194 %rename(__cmp__) ldb_dn::compare;
195 %rename(__len__) ldb_dn::get_comp_num;
197 typedef struct ldb_dn {
199 ldb_dn(ldb *ldb_ctx, const char *str)
201 ldb_dn *ret = ldb_dn_new(ldb_ctx, ldb_ctx, str);
202 /* ldb_dn_new() doesn't accept NULL as memory context, so
203 we do it this way... */
204 talloc_steal(NULL, ret);
207 SWIG_exception(SWIG_ValueError,
208 "unable to parse dn string");
212 ~ldb_dn() { talloc_free($self); }
214 const char *get_casefold();
215 const char *get_linearized();
216 ldb_dn *parent() { return ldb_dn_get_parent(NULL, $self); }
217 int compare(ldb_dn *other);
221 bool check_special(const char *name);
223 bool add_child(ldb_dn *child);
224 bool add_base(ldb_dn *base);
225 const char *canonical_str() {
226 return ldb_dn_canonical_string($self, $self);
228 const char *canonical_ex_str() {
229 return ldb_dn_canonical_ex_string($self, $self);
232 ldb_dn *__add__(ldb_dn *other)
234 ldb_dn *ret = ldb_dn_copy(NULL, $self);
235 ldb_dn_add_child(ret, other);
239 /* FIXME: implement __getslice__ */
242 def __eq__(self, other):
243 if isinstance(other, self.__class__):
244 return self.__cmp__(other) == 0
245 if isinstance(other, str):
246 return str(self) == other
254 struct ldb_context *ldb_context_from_py_object(PyObject *py_obj)
256 struct ldb_context *ldb_ctx;
257 if (SWIG_ConvertPtr(py_obj, (void *)&ldb_ctx, SWIGTYPE_p_ldb_context, 0 | 0 ) < 0)
262 int ldb_dn_from_pyobject(TALLOC_CTX *mem_ctx, PyObject *object,
263 struct ldb_context *ldb_ctx, ldb_dn **dn)
267 if (ldb_ctx != NULL && PyString_Check(object)) {
268 odn = ldb_dn_new(mem_ctx, ldb_ctx, PyString_AsString(object));
275 ret = SWIG_ConvertPtr(object, (void **)&odn, SWIGTYPE_p_ldb_dn,
276 SWIG_POINTER_EXCEPTION);
277 *dn = ldb_dn_copy(mem_ctx, odn);
284 ldb_msg_element *ldb_msg_element_from_pyobject(TALLOC_CTX *mem_ctx,
285 PyObject *set_obj, int flags,
286 const char *attr_name)
288 struct ldb_message_element *me = talloc(mem_ctx, struct ldb_message_element);
289 me->name = attr_name;
291 if (PyString_Check(set_obj)) {
293 me->values = talloc_array(me, struct ldb_val, me->num_values);
294 me->values[0].length = PyString_Size(set_obj);
295 me->values[0].data = (uint8_t *)talloc_strdup(me->values,
296 PyString_AsString(set_obj));
297 } else if (PySequence_Check(set_obj)) {
299 me->num_values = PySequence_Size(set_obj);
300 me->values = talloc_array(me, struct ldb_val, me->num_values);
301 for (i = 0; i < me->num_values; i++) {
302 PyObject *obj = PySequence_GetItem(set_obj, i);
303 me->values[i].length = PyString_Size(obj);
304 me->values[i].data = (uint8_t *)PyString_AsString(obj);
314 PyObject *ldb_msg_element_to_set(struct ldb_context *ldb_ctx,
320 /* Python << 2.5 doesn't have PySet_New and PySet_Add. */
321 result = PyList_New(me->num_values);
323 for (i = 0; i < me->num_values; i++) {
324 PyList_SetItem(result, i,
325 ldb_val_to_py_object(ldb_ctx, me, &me->values[i]));
334 /* ldb_message_element */
335 %rename(__cmp__) ldb_message_element::compare;
336 %rename(MessageElement) ldb_msg_element;
337 typedef struct ldb_message_element {
340 PyObject *__iter__(void)
342 return PyObject_GetIter(ldb_msg_element_to_set(NULL, $self));
345 PyObject *__set__(void)
347 return ldb_msg_element_to_set(NULL, $self);
350 ldb_msg_element(PyObject *set_obj, int flags=0, const char *name = NULL)
352 return ldb_msg_element_from_pyobject(NULL, set_obj, flags, name);
357 return $self->num_values;
363 if (i < 0 || i >= $self->num_values)
366 return ldb_val_to_py_object(NULL, $self, &$self->values[i]);
369 ~ldb_msg_element() { talloc_free($self); }
370 int compare(ldb_msg_element *);
373 def __getitem__(self, i):
376 raise KeyError("no such value")
379 def __eq__(self, other):
380 if (len(self) == 1 and self.get(0) == other):
382 if isinstance(other, self.__class__):
383 return self.__cmp__(other) == 0
385 for i in range(len(self)):
386 if self.get(i) != o.next():
394 %rename(Message) ldb_message;
396 %rename(__delitem__) ldb_message::remove_attr;
397 %typemap(out) ldb_msg_element * {
399 PyErr_SetString(PyExc_KeyError, "no such element");
401 $result = SWIG_NewPointerObj($1, SWIGTYPE_p_ldb_message_element, 0);
403 %rename(__getitem__) ldb_message::find_element;
404 //%typemap(out) ldb_msg_element *;
408 PyObject *ldb_msg_list_elements(ldb_msg *msg)
411 PyObject *obj = PyList_New(msg->num_elements);
412 for (i = 0; i < msg->num_elements; i++)
413 PyList_SetItem(obj, i, PyString_FromString(msg->elements[i].name));
420 typedef struct ldb_message {
424 ldb_msg(ldb_dn *dn = NULL) {
425 ldb_msg *ret = ldb_msg_new(NULL);
426 ret->dn = talloc_reference(ret, dn);
429 ~ldb_msg() { talloc_free($self); }
430 ldb_msg_element *find_element(const char *name);
433 void __setitem__(const char *attr_name, ldb_msg_element *val)
435 struct ldb_message_element *el;
437 ldb_msg_remove_attr($self, attr_name);
439 el = talloc($self, struct ldb_message_element);
440 el->name = talloc_strdup(el, attr_name);
441 el->num_values = val->num_values;
442 el->values = talloc_reference(el, val->values);
444 ldb_msg_add($self, el, val->flags);
447 void __setitem__(const char *attr_name, PyObject *val)
449 struct ldb_message_element *el = ldb_msg_element_from_pyobject(NULL,
451 talloc_steal($self, el);
452 ldb_msg_remove_attr($self, attr_name);
453 ldb_msg_add($self, el, el->flags);
456 unsigned int __len__() { return $self->num_elements; }
460 return ldb_msg_list_elements($self);
463 PyObject *__iter__(void)
465 return PyObject_GetIter(ldb_msg_list_elements($self));
468 void remove_attr(const char *name);
472 /* FIXME: Convert ldb_result to 3-tuple:
473 (msgs, refs, controls)
476 typedef struct ldb_ldif ldb_ldif;
480 static void py_ldb_debug(void *context, enum ldb_debug_level level, const char *fmt, va_list ap) PRINTF_ATTRIBUTE(3, 0);
482 static void py_ldb_debug(void *context, enum ldb_debug_level level, const char *fmt, va_list ap)
485 PyObject *fn = context;
487 vasprintf(&text, fmt, ap);
488 PyObject_CallFunction(fn, (char *)"(i,s)", level, text);
493 %typemap(in,numinputs=1,noblock=1) (void (*debug)(void *context, enum ldb_debug_level level, const char *fmt, va_list ap), void *context) {
495 /* FIXME: Should be decreased somewhere as well. Perhaps register a
496 destructor and tie it to the ldb context ? */
503 static PyObject *ldb_ldif_to_pyobject(ldb_ldif *ldif)
508 return Py_BuildValue((char *)"(iO)", ldif->changetype,
509 SWIG_NewPointerObj(ldif->msg, SWIGTYPE_p_ldb_message, 0));
519 PyObject *PyExc_LdbError;
523 LdbError = _ldb.LdbError
527 PyExc_LdbError = PyErr_NewException((char *)"_ldb.LdbError", NULL, NULL);
528 PyDict_SetItemString(d, "LdbError", PyExc_LdbError);
531 %ignore _LDB_ERRORS_H_;
533 %include "include/ldb_errors.h"
540 %typemap(out,noblock=1) ldb_error {
541 if ($1 != LDB_SUCCESS) {
542 PyErr_SetObject(PyExc_LdbError, Py_BuildValue((char *)"(i,s)", $1, ldb_errstring(arg1)));
548 %typemap(out,noblock=1) ldb_int_error {
549 if ($1 != LDB_SUCCESS) {
550 PyErr_SetObject(PyExc_LdbError, Py_BuildValue((char *)"(i,s)", $1, ldb_strerror($1)));
556 %typemap(out,noblock=1) struct ldb_control ** {
558 PyErr_SetObject(PyExc_LdbError, Py_BuildValue((char *)"(s)", ldb_errstring(arg1)));
561 $result = SWIG_NewPointerObj($1, $1_descriptor, 0);
564 %rename(Ldb) ldb_context;
566 %typemap(in,noblock=1) struct ldb_dn * {
567 if (ldb_dn_from_pyobject(NULL, $input, arg1, &$1) != 0) {
572 %typemap(freearg,noblock=1) struct ldb_dn * {
576 %typemap(in,numinputs=1) ldb_msg *add_msg {
577 Py_ssize_t dict_pos, msg_pos;
578 ldb_msg_element *msgel;
579 PyObject *key, *value;
581 if (PyDict_Check($input)) {
582 PyObject *dn_value = PyDict_GetItemString($input, "dn");
583 $1 = ldb_msg_new(NULL);
584 $1->elements = talloc_zero_array($1, struct ldb_message_element, PyDict_Size($input));
585 msg_pos = dict_pos = 0;
587 /* using argp1 (magic SWIG value) here is a hack */
588 if (ldb_dn_from_pyobject($1, dn_value, argp1, &$1->dn) != 0) {
589 SWIG_exception(SWIG_TypeError, "unable to import dn object");
591 if ($1->dn == NULL) {
592 SWIG_exception(SWIG_TypeError, "dn set but not found");
596 while (PyDict_Next($input, &dict_pos, &key, &value)) {
597 char *key_str = PyString_AsString(key);
598 if (strcmp(key_str, "dn") != 0) {
599 msgel = ldb_msg_element_from_pyobject($1->elements, value, 0, key_str);
601 SWIG_exception(SWIG_TypeError, "unable to import element");
603 memcpy(&$1->elements[msg_pos], msgel, sizeof(*msgel));
608 if ($1->dn == NULL) {
609 SWIG_exception(SWIG_TypeError, "no dn set");
612 $1->num_elements = msg_pos;
614 if (SWIG_ConvertPtr($input, (void **)&$1, SWIGTYPE_p_ldb_message, 0) != 0) {
615 SWIG_exception(SWIG_TypeError, "unable to convert ldb message");
620 /* Top-level ldb operations */
621 typedef struct ldb_context {
623 ldb(void) { return ldb_init(NULL); }
625 ldb_error connect(const char *url, unsigned int flags = 0,
626 const char *options[] = NULL);
628 ~ldb() { talloc_free($self); }
629 ldb_error search_ex(TALLOC_CTX *mem_ctx,
631 enum ldb_scope scope = LDB_SCOPE_DEFAULT,
632 const char *expression = NULL,
633 const char *const *attrs = NULL,
634 struct ldb_control **controls = NULL,
635 struct ldb_result **OUT) {
637 struct ldb_result *res;
638 struct ldb_request *req;
639 res = talloc_zero(mem_ctx, struct ldb_result);
641 return LDB_ERR_OPERATIONS_ERROR;
644 ret = ldb_build_search_req(&req, $self, mem_ctx,
645 base?base:ldb_get_default_basedn($self),
651 ldb_search_default_callback);
653 if (ret != LDB_SUCCESS) {
658 ldb_set_timeout($self, req, 0); /* use default timeout */
660 ret = ldb_request($self, req);
662 if (ret == LDB_SUCCESS) {
663 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
672 ldb_error delete(ldb_dn *dn);
673 ldb_error rename(ldb_dn *olddn, ldb_dn *newdn);
674 struct ldb_control **parse_control_strings(TALLOC_CTX *mem_ctx,
675 const char * const*control_strings);
676 ldb_error add(ldb_msg *add_msg);
677 ldb_error modify(ldb_msg *message);
678 ldb_dn *get_config_basedn();
679 ldb_dn *get_root_basedn();
680 ldb_dn *get_schema_basedn();
681 ldb_dn *get_default_basedn();
682 PyObject *schema_format_value(const char *element_name, PyObject *val)
684 const struct ldb_schema_attribute *a;
685 struct ldb_val old_val;
686 struct ldb_val new_val;
687 TALLOC_CTX *mem_ctx = talloc_new(NULL);
690 old_val.data = PyString_AsString(val);
691 old_val.length = PyString_Size(val);
693 a = ldb_schema_attribute_by_name($self, element_name);
699 if (a->syntax->ldif_write_fn($self, mem_ctx, &old_val, &new_val) != 0) {
700 talloc_free(mem_ctx);
704 ret = PyString_FromStringAndSize((const char *)new_val.data, new_val.length);
706 talloc_free(mem_ctx);
711 const char *errstring();
712 void set_create_perms(unsigned int perms);
713 void set_modules_dir(const char *path);
714 ldb_error set_debug(void (*debug)(void *context, enum ldb_debug_level level,
715 const char *fmt, va_list ap),
717 ldb_error set_opaque(const char *name, void *value);
718 void *get_opaque(const char *name);
719 ldb_error transaction_start();
720 ldb_error transaction_commit();
721 ldb_error transaction_cancel();
722 void schema_attribute_remove(const char *name);
723 ldb_error schema_attribute_add(const char *attribute, unsigned flags, const char *syntax);
724 ldb_error setup_wellknown_attributes(void);
727 %typemap(in,numinputs=0,noblock=1) struct ldb_result **result_as_bool (struct ldb_result *tmp) { $1 = &tmp; }
728 %typemap(argout,noblock=1) struct ldb_result **result_as_bool { $result = ((*$1)->count > 0)?Py_True:Py_False; }
729 %typemap(freearg,noblock=1) struct ldb_result **result_as_bool { talloc_free(*$1); }
730 ldb_error __contains__(ldb_dn *dn, struct ldb_result **result_as_bool)
732 return ldb_search($self, dn, LDB_SCOPE_BASE, NULL, NULL,
736 PyObject *parse_ldif(const char *s)
738 PyObject *list = PyList_New(0);
739 struct ldb_ldif *ldif;
740 while ((ldif = ldb_ldif_read_string($self, &s)) != NULL) {
741 PyList_Append(list, ldb_ldif_to_pyobject(ldif));
743 return PyObject_GetIter(list);
749 def __init__(self, url=None, flags=0, options=None):
750 _ldb.Ldb_swiginit(self,_ldb.new_Ldb())
752 self.connect(url, flags, options)
754 def search(self, base=None, scope=SCOPE_DEFAULT, expression=None,
755 attrs=None, controls=None):
756 parsed_controls = None
757 if controls is not None:
758 parsed_controls = self.parse_control_strings(controls)
759 return self.search_ex(base, scope, expression, attrs,
765 %typemap(in,noblock=1) struct ldb_dn *;
766 %typemap(freearg,noblock=1) struct ldb_dn *;
768 %nodefault ldb_message;
769 %nodefault ldb_context;
772 %rename(valid_attr_name) ldb_valid_attr_name;
773 int ldb_valid_attr_name(const char *s);
775 typedef unsigned long time_t;
778 static char *timestring(time_t t)
780 char *tresult = ldb_timestring(NULL, t);
781 char *result = strdup(tresult);
782 talloc_free(tresult);
787 %rename(string_to_time) ldb_string_to_time;
788 time_t ldb_string_to_time(const char *s);
790 %typemap(in,noblock=1) const struct ldb_module_ops * {
791 $1 = talloc_zero(talloc_autofree_context(), struct ldb_module_ops);
793 $1->name = (char *)PyObject_GetAttrString($input, (char *)"name");
796 %rename(register_module) ldb_register_module;
797 ldb_int_error ldb_register_module(const struct ldb_module_ops *);