5 Copyright (C) Andrew Bartlett <abartlet@samba.org> 2006
6 Copyright (C) Stefan Metzmacher <metze@samba.org> 2007
8 * NOTICE: this module is NOT released under the GNU LGPL license as
9 * other ldb code. This module is release under the GNU GPL v2 or
12 This program is free software; you can redistribute it and/or modify
13 it under the terms of the GNU General Public License as published by
14 the Free Software Foundation; either version 3 of the License, or
15 (at your option) any later version.
17 This program is distributed in the hope that it will be useful,
18 but WITHOUT ANY WARRANTY; without even the implied warranty of
19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 GNU General Public License for more details.
22 You should have received a copy of the GNU General Public License
23 along with this program. If not, see <http://www.gnu.org/licenses/>.
29 * Component: ldb partitions module
31 * Description: Implement LDAP partitions
33 * Author: Andrew Bartlett
34 * Author: Stefan Metzmacher
38 #include "ldb/include/ldb_includes.h"
39 #include "dsdb/samdb/samdb.h"
41 struct partition_private_data {
42 struct dsdb_control_current_partition **partitions;
43 struct ldb_dn **replicate;
46 struct partition_context {
47 struct ldb_module *module;
48 struct ldb_request *orig_req;
50 struct ldb_request **down_req;
52 int finished_requests;
55 static struct partition_context *partition_init_handle(struct ldb_request *req, struct ldb_module *module)
57 struct partition_context *ac;
60 h = talloc_zero(req, struct ldb_handle);
62 ldb_set_errstring(module->ldb, "Out of Memory");
68 ac = talloc_zero(h, struct partition_context);
70 ldb_set_errstring(module->ldb, "Out of Memory");
85 static struct ldb_module *make_module_for_next_request(TALLOC_CTX *mem_ctx,
86 struct ldb_context *ldb,
87 struct ldb_module *module)
89 struct ldb_module *current;
90 static const struct ldb_module_ops ops; /* zero */
91 current = talloc_zero(mem_ctx, struct ldb_module);
92 if (current == NULL) {
99 current->next = module;
103 static struct dsdb_control_current_partition *find_partition(struct partition_private_data *data,
108 /* Look at base DN */
109 /* Figure out which partition it is under */
110 /* Skip the lot if 'data' isn't here yet (initialistion) */
111 for (i=0; data && data->partitions && data->partitions[i]; i++) {
112 if (ldb_dn_compare_base(data->partitions[i]->dn, dn) == 0) {
113 return data->partitions[i];
121 fire the caller's callback for every entry, but only send 'done' once.
123 static int partition_search_callback(struct ldb_context *ldb, void *context, struct ldb_reply *ares)
125 struct partition_context *ac;
127 ac = talloc_get_type(context, struct partition_context);
129 if (ares->type == LDB_REPLY_ENTRY) {
130 return ac->orig_req->callback(ldb, ac->orig_req->context, ares);
132 ac->finished_requests++;
133 if (ac->finished_requests == ac->num_requests) {
134 return ac->orig_req->callback(ldb, ac->orig_req->context, ares);
143 only fire the 'last' callback, and only for START-TLS for now
145 static int partition_other_callback(struct ldb_context *ldb, void *context, struct ldb_reply *ares)
147 struct partition_context *ac;
149 ac = talloc_get_type(context, struct partition_context);
151 if (!ac->orig_req->callback) {
157 || (ares->type == LDB_REPLY_EXTENDED
158 && strcmp(ares->response->oid, LDB_EXTENDED_START_TLS_OID))) {
159 ac->finished_requests++;
160 if (ac->finished_requests == ac->num_requests) {
161 return ac->orig_req->callback(ldb, ac->orig_req->context, ares);
166 ldb_set_errstring(ldb, "partition_other_callback: Unknown reply type, only supports START_TLS");
168 return LDB_ERR_OPERATIONS_ERROR;
172 static int partition_send_request(struct partition_context *ac, struct ldb_control *remove_control,
173 struct dsdb_control_current_partition *partition)
176 struct ldb_module *backend;
177 struct ldb_request *req;
178 struct ldb_control **saved_controls;
181 backend = make_module_for_next_request(ac, ac->module->ldb, partition->module);
183 backend = ac->module;
186 ac->down_req = talloc_realloc(ac, ac->down_req,
187 struct ldb_request *, ac->num_requests + 1);
189 ldb_oom(ac->module->ldb);
190 return LDB_ERR_OPERATIONS_ERROR;
192 req = ac->down_req[ac->num_requests] = talloc(ac, struct ldb_request);
194 ldb_oom(ac->module->ldb);
195 return LDB_ERR_OPERATIONS_ERROR;
198 *req = *ac->orig_req; /* copy the request */
203 ac->orig_req->controls, talloc_get_size(ac->orig_req->controls));
204 if (req->controls == NULL) {
205 ldb_oom(ac->module->ldb);
206 return LDB_ERR_OPERATIONS_ERROR;
210 if (req->operation == LDB_SEARCH) {
211 /* If the search is for 'more' than this partition,
212 * then change the basedn, so a remote LDAP server
215 if (ldb_dn_compare_base(partition->dn, req->op.search.base) != 0) {
216 req->op.search.base = partition->dn;
219 req->op.search.base = NULL;
221 req->callback = partition_search_callback;
224 req->callback = partition_other_callback;
228 /* Remove a control, so we don't confuse a backend server */
229 if (remove_control && !save_controls(remove_control, req, &saved_controls)) {
230 ldb_oom(ac->module->ldb);
231 return LDB_ERR_OPERATIONS_ERROR;
235 ret = ldb_request_add_control(req, DSDB_CONTROL_CURRENT_PARTITION_OID, false, partition);
236 if (ret != LDB_SUCCESS) {
241 /* Spray off search requests the backend */
242 ret = ldb_next_request(backend, req);
243 if (ret != LDB_SUCCESS) {
251 /* Send a request down to all the partitions */
252 static int partition_send_all(struct ldb_module *module,
253 struct partition_context *ac,
254 struct ldb_control *remove_control,
255 struct ldb_request *req)
258 struct partition_private_data *data = talloc_get_type(module->private_data,
259 struct partition_private_data);
260 int ret = partition_send_request(ac, remove_control, NULL);
261 if (ret != LDB_SUCCESS) {
264 for (i=0; data && data->partitions && data->partitions[i]; i++) {
265 ret = partition_send_request(ac, remove_control, data->partitions[i]);
266 if (ret != LDB_SUCCESS) {
273 /* Figure out which backend a request needs to be aimed at. Some
274 * requests must be replicated to all backends */
275 static int partition_replicate(struct ldb_module *module, struct ldb_request *req, struct ldb_dn *dn)
279 struct dsdb_control_current_partition *partition;
280 struct ldb_module *backend;
281 struct partition_private_data *data = talloc_get_type(module->private_data,
282 struct partition_private_data);
284 if (req->operation != LDB_SEARCH) {
285 /* Is this a special DN, we need to replicate to every backend? */
286 for (i=0; data->replicate && data->replicate[i]; i++) {
287 if (ldb_dn_compare(data->replicate[i],
289 struct partition_context *ac;
291 ac = partition_init_handle(req, module);
293 return LDB_ERR_OPERATIONS_ERROR;
296 return partition_send_all(module, ac, NULL, req);
301 /* Otherwise, we need to find the partition to fire it to */
304 partition = find_partition(data, dn);
307 * if we haven't found a matching partition
308 * pass the request to the main ldb
310 * TODO: we should maybe return an error here
311 * if it's not a special dn
313 return ldb_next_request(module, req);
316 backend = make_module_for_next_request(req, module->ldb, partition->module);
318 return LDB_ERR_OPERATIONS_ERROR;
321 ret = ldb_request_add_control(req, DSDB_CONTROL_CURRENT_PARTITION_OID, false, partition);
322 if (ret != LDB_SUCCESS) {
327 return ldb_next_request(backend, req);
331 static int partition_search(struct ldb_module *module, struct ldb_request *req)
334 struct partition_private_data *data = talloc_get_type(module->private_data,
335 struct partition_private_data);
338 /* (later) consider if we should be searching multiple
339 * partitions (for 'invisible' partition behaviour */
340 struct ldb_control *search_control = ldb_request_get_control(req, LDB_CONTROL_SEARCH_OPTIONS_OID);
342 struct ldb_search_options_control *search_options = NULL;
343 if (search_control) {
344 search_options = talloc_get_type(search_control->data, struct ldb_search_options_control);
347 if (search_options && (search_options->search_options & LDB_SEARCH_OPTION_PHANTOM_ROOT)) {
349 struct partition_context *ac;
350 struct ldb_control *remove_control = NULL;
351 if ((search_options->search_options & ~LDB_SEARCH_OPTION_PHANTOM_ROOT) == 0) {
352 /* We have processed this flag, so we are done with this control now */
353 remove_control = search_control;
355 ac = partition_init_handle(req, module);
357 return LDB_ERR_OPERATIONS_ERROR;
360 /* Search from the base DN */
361 if (!req->op.search.base || ldb_dn_is_null(req->op.search.base)) {
362 return partition_send_all(module, ac, remove_control, req);
364 for (i=0; data && data->partitions && data->partitions[i]; i++) {
365 /* Find all partitions under the search base */
366 if (ldb_dn_compare_base(req->op.search.base, data->partitions[i]->dn) == 0) {
367 ret = partition_send_request(ac, remove_control, data->partitions[i]);
368 if (ret != LDB_SUCCESS) {
374 /* Perhaps we didn't match any partitions. Try the main partition, only */
375 if (ac->num_requests == 0) {
377 return ldb_next_request(module, req);
382 /* Handle this like all other requests */
383 return partition_replicate(module, req, req->op.search.base);
388 static int partition_add(struct ldb_module *module, struct ldb_request *req)
390 return partition_replicate(module, req, req->op.add.message->dn);
394 static int partition_modify(struct ldb_module *module, struct ldb_request *req)
396 return partition_replicate(module, req, req->op.mod.message->dn);
400 static int partition_delete(struct ldb_module *module, struct ldb_request *req)
402 return partition_replicate(module, req, req->op.del.dn);
406 static int partition_rename(struct ldb_module *module, struct ldb_request *req)
410 struct dsdb_control_current_partition *backend, *backend2;
412 struct partition_private_data *data = talloc_get_type(module->private_data,
413 struct partition_private_data);
415 /* Skip the lot if 'data' isn't here yet (initialistion) */
417 return LDB_ERR_OPERATIONS_ERROR;
420 backend = find_partition(data, req->op.rename.olddn);
421 backend2 = find_partition(data, req->op.rename.newdn);
423 if ((backend && !backend2) || (!backend && backend2)) {
424 return LDB_ERR_AFFECTS_MULTIPLE_DSAS;
427 if (backend != backend2) {
428 ldb_asprintf_errstring(module->ldb,
429 "Cannot rename from %s in %s to %s in %s: %s",
430 ldb_dn_get_linearized(req->op.rename.olddn),
431 ldb_dn_get_linearized(backend->dn),
432 ldb_dn_get_linearized(req->op.rename.newdn),
433 ldb_dn_get_linearized(backend2->dn),
434 ldb_strerror(LDB_ERR_AFFECTS_MULTIPLE_DSAS));
435 return LDB_ERR_AFFECTS_MULTIPLE_DSAS;
438 for (i=0; data && data->partitions && data->partitions[i]; i++) {
439 if (ldb_dn_compare_base(req->op.rename.olddn, data->partitions[i]->dn) == 0) {
445 ldb_asprintf_errstring(module->ldb,
446 "Cannot rename from %s to %s, subtree rename would cross partition %s: %s",
447 ldb_dn_get_linearized(req->op.rename.olddn),
448 ldb_dn_get_linearized(req->op.rename.newdn),
449 ldb_dn_get_linearized(data->partitions[matched]->dn),
450 ldb_strerror(LDB_ERR_AFFECTS_MULTIPLE_DSAS));
451 return LDB_ERR_AFFECTS_MULTIPLE_DSAS;
454 return partition_replicate(module, req, req->op.rename.olddn);
457 /* start a transaction */
458 static int partition_start_trans(struct ldb_module *module)
461 struct partition_private_data *data = talloc_get_type(module->private_data,
462 struct partition_private_data);
463 /* Look at base DN */
464 /* Figure out which partition it is under */
465 /* Skip the lot if 'data' isn't here yet (initialistion) */
466 ret = ldb_next_start_trans(module);
467 if (ret != LDB_SUCCESS) {
471 for (i=0; data && data->partitions && data->partitions[i]; i++) {
472 struct ldb_module *next = make_module_for_next_request(module, module->ldb, data->partitions[i]->module);
474 ret = ldb_next_start_trans(next);
476 if (ret != LDB_SUCCESS) {
477 /* Back it out, if it fails on one */
478 for (i--; i >= 0; i--) {
479 next = make_module_for_next_request(module, module->ldb, data->partitions[i]->module);
480 ldb_next_del_trans(next);
489 /* end a transaction */
490 static int partition_end_trans(struct ldb_module *module)
492 int i, ret, ret2 = LDB_SUCCESS;
493 struct partition_private_data *data = talloc_get_type(module->private_data,
494 struct partition_private_data);
495 ret = ldb_next_end_trans(module);
496 if (ret != LDB_SUCCESS) {
500 /* Look at base DN */
501 /* Figure out which partition it is under */
502 /* Skip the lot if 'data' isn't here yet (initialistion) */
503 for (i=0; data && data->partitions && data->partitions[i]; i++) {
504 struct ldb_module *next = make_module_for_next_request(module, module->ldb, data->partitions[i]->module);
506 ret = ldb_next_end_trans(next);
508 if (ret != LDB_SUCCESS) {
513 if (ret != LDB_SUCCESS) {
514 /* Back it out, if it fails on one */
515 for (i=0; data && data->partitions && data->partitions[i]; i++) {
516 struct ldb_module *next = make_module_for_next_request(module, module->ldb, data->partitions[i]->module);
517 ldb_next_del_trans(next);
524 /* delete a transaction */
525 static int partition_del_trans(struct ldb_module *module)
527 int i, ret, ret2 = LDB_SUCCESS;
528 struct partition_private_data *data = talloc_get_type(module->private_data,
529 struct partition_private_data);
530 ret = ldb_next_del_trans(module);
531 if (ret != LDB_SUCCESS) {
535 /* Look at base DN */
536 /* Figure out which partition it is under */
537 /* Skip the lot if 'data' isn't here yet (initialistion) */
538 for (i=0; data && data->partitions && data->partitions[i]; i++) {
539 struct ldb_module *next = make_module_for_next_request(module, module->ldb, data->partitions[i]->module);
541 ret = ldb_next_del_trans(next);
543 if (ret != LDB_SUCCESS) {
550 static int partition_sequence_number(struct ldb_module *module, struct ldb_request *req)
553 uint64_t seq_number = 0;
554 uint64_t timestamp_sequence = 0;
555 uint64_t timestamp = 0;
556 struct partition_private_data *data = talloc_get_type(module->private_data,
557 struct partition_private_data);
559 switch (req->op.seq_num.type) {
561 case LDB_SEQ_HIGHEST_SEQ:
562 ret = ldb_next_request(module, req);
563 if (ret != LDB_SUCCESS) {
566 if (req->op.seq_num.flags & LDB_SEQ_TIMESTAMP_SEQUENCE) {
567 timestamp_sequence = req->op.seq_num.seq_num;
569 seq_number = seq_number + req->op.seq_num.seq_num;
572 /* Look at base DN */
573 /* Figure out which partition it is under */
574 /* Skip the lot if 'data' isn't here yet (initialistion) */
575 for (i=0; data && data->partitions && data->partitions[i]; i++) {
576 struct ldb_module *next = make_module_for_next_request(req, module->ldb, data->partitions[i]->module);
578 ret = ldb_next_request(next, req);
580 if (ret != LDB_SUCCESS) {
583 if (req->op.seq_num.flags & LDB_SEQ_TIMESTAMP_SEQUENCE) {
584 timestamp_sequence = MAX(timestamp_sequence, req->op.seq_num.seq_num);
586 seq_number = seq_number + req->op.seq_num.seq_num;
590 case LDB_SEQ_HIGHEST_TIMESTAMP:
592 struct ldb_request *date_req = talloc(req, struct ldb_request);
594 return LDB_ERR_OPERATIONS_ERROR;
597 date_req->op.seq_num.flags = LDB_SEQ_HIGHEST_TIMESTAMP;
599 ret = ldb_next_request(module, date_req);
600 if (ret != LDB_SUCCESS) {
603 timestamp = date_req->op.seq_num.seq_num;
605 /* Look at base DN */
606 /* Figure out which partition it is under */
607 /* Skip the lot if 'data' isn't here yet (initialistion) */
608 for (i=0; data && data->partitions && data->partitions[i]; i++) {
609 struct ldb_module *next = make_module_for_next_request(req, module->ldb, data->partitions[i]->module);
611 ret = ldb_next_request(next, date_req);
613 if (ret != LDB_SUCCESS) {
616 timestamp = MAX(timestamp, date_req->op.seq_num.seq_num);
622 switch (req->op.seq_num.flags) {
624 case LDB_SEQ_HIGHEST_SEQ:
626 req->op.seq_num.flags = 0;
628 /* Has someone above set a timebase sequence? */
629 if (timestamp_sequence) {
630 req->op.seq_num.seq_num = (((unsigned long long)timestamp << 24) | (seq_number & 0xFFFFFF));
632 req->op.seq_num.seq_num = seq_number;
635 if (timestamp_sequence > req->op.seq_num.seq_num) {
636 req->op.seq_num.seq_num = timestamp_sequence;
637 req->op.seq_num.flags |= LDB_SEQ_TIMESTAMP_SEQUENCE;
640 req->op.seq_num.flags |= LDB_SEQ_GLOBAL_SEQUENCE;
642 case LDB_SEQ_HIGHEST_TIMESTAMP:
643 req->op.seq_num.seq_num = timestamp;
647 switch (req->op.seq_num.flags) {
649 req->op.seq_num.seq_num++;
654 static int partition_extended_replicated_objects(struct ldb_module *module, struct ldb_request *req)
656 struct dsdb_extended_replicated_objects *ext;
658 ext = talloc_get_type(req->op.extended.data, struct dsdb_extended_replicated_objects);
660 ldb_debug(module->ldb, LDB_DEBUG_FATAL, "partition_extended_replicated_objects: invalid extended data\n");
661 return LDB_ERR_PROTOCOL_ERROR;
664 if (ext->version != DSDB_EXTENDED_REPLICATED_OBJECTS_VERSION) {
665 ldb_debug(module->ldb, LDB_DEBUG_FATAL, "partition_extended_replicated_objects: extended data invalid version [%u != %u]\n",
666 ext->version, DSDB_EXTENDED_REPLICATED_OBJECTS_VERSION);
667 return LDB_ERR_PROTOCOL_ERROR;
670 return partition_replicate(module, req, ext->partition_dn);
674 static int partition_extended(struct ldb_module *module, struct ldb_request *req)
676 struct partition_context *ac;
678 if (strcmp(req->op.extended.oid, DSDB_EXTENDED_REPLICATED_OBJECTS_OID) == 0) {
679 return partition_extended_replicated_objects(module, req);
683 * as the extended operation has no dn
684 * we need to send it to all partitions
687 ac = partition_init_handle(req, module);
689 return LDB_ERR_OPERATIONS_ERROR;
692 return partition_send_all(module, ac, NULL, req);
695 static int sort_compare(void *void1,
696 void *void2, void *opaque)
698 struct dsdb_control_current_partition **pp1 =
699 (struct dsdb_control_current_partition **)void1;
700 struct dsdb_control_current_partition **pp2 =
701 (struct dsdb_control_current_partition **)void2;
702 struct dsdb_control_current_partition *partition1 = talloc_get_type(*pp1,
703 struct dsdb_control_current_partition);
704 struct dsdb_control_current_partition *partition2 = talloc_get_type(*pp2,
705 struct dsdb_control_current_partition);
707 return ldb_dn_compare(partition1->dn, partition2->dn);
710 static const char *relative_path(struct ldb_module *module,
714 const char *base_url =
715 (const char *)ldb_get_opaque(module->ldb, "ldb_url");
716 char *path, *p, *full_name;
720 if (name[0] == 0 || name[0] == '/' || strstr(name, ":/")) {
721 return talloc_strdup(mem_ctx, name);
723 path = talloc_strdup(mem_ctx, base_url);
727 if ( (p = strrchr(path, '/')) != NULL) {
729 full_name = talloc_asprintf(mem_ctx, "%s/%s", path, name);
731 full_name = talloc_asprintf(mem_ctx, "./%s", name);
737 static int partition_init(struct ldb_module *module)
740 TALLOC_CTX *mem_ctx = talloc_new(module);
741 static const char *attrs[] = { "partition", "replicateEntries", "modules", NULL };
742 struct ldb_result *res;
743 struct ldb_message *msg;
744 struct ldb_message_element *partition_attributes;
745 struct ldb_message_element *replicate_attributes;
746 struct ldb_message_element *modules_attributes;
748 struct partition_private_data *data;
751 return LDB_ERR_OPERATIONS_ERROR;
754 data = talloc(mem_ctx, struct partition_private_data);
756 return LDB_ERR_OPERATIONS_ERROR;
759 ret = ldb_search(module->ldb, ldb_dn_new(mem_ctx, module->ldb, "@PARTITION"),
763 if (ret != LDB_SUCCESS) {
764 talloc_free(mem_ctx);
767 talloc_steal(mem_ctx, res);
768 if (res->count == 0) {
769 talloc_free(mem_ctx);
770 return ldb_next_init(module);
773 if (res->count > 1) {
774 talloc_free(mem_ctx);
775 return LDB_ERR_CONSTRAINT_VIOLATION;
780 partition_attributes = ldb_msg_find_element(msg, "partition");
781 if (!partition_attributes) {
782 ldb_set_errstring(module->ldb, "partition_init: no partitions specified");
783 talloc_free(mem_ctx);
784 return LDB_ERR_CONSTRAINT_VIOLATION;
786 data->partitions = talloc_array(data, struct dsdb_control_current_partition *, partition_attributes->num_values + 1);
787 if (!data->partitions) {
788 talloc_free(mem_ctx);
789 return LDB_ERR_OPERATIONS_ERROR;
791 for (i=0; i < partition_attributes->num_values; i++) {
792 char *base = talloc_strdup(data->partitions, (char *)partition_attributes->values[i].data);
793 char *p = strchr(base, ':');
795 ldb_asprintf_errstring(module->ldb,
797 "invalid form for partition record (missing ':'): %s", base);
798 talloc_free(mem_ctx);
799 return LDB_ERR_CONSTRAINT_VIOLATION;
804 ldb_asprintf_errstring(module->ldb,
806 "invalid form for partition record (missing backend database): %s", base);
807 talloc_free(mem_ctx);
808 return LDB_ERR_CONSTRAINT_VIOLATION;
810 data->partitions[i] = talloc(data->partitions, struct dsdb_control_current_partition);
811 if (!data->partitions[i]) {
812 talloc_free(mem_ctx);
813 return LDB_ERR_OPERATIONS_ERROR;
815 data->partitions[i]->version = DSDB_CONTROL_CURRENT_PARTITION_VERSION;
817 data->partitions[i]->dn = ldb_dn_new(data->partitions[i], module->ldb, base);
818 if (!data->partitions[i]->dn) {
819 ldb_asprintf_errstring(module->ldb,
820 "partition_init: invalid DN in partition record: %s", base);
821 talloc_free(mem_ctx);
822 return LDB_ERR_CONSTRAINT_VIOLATION;
825 data->partitions[i]->backend = relative_path(module,
828 if (!data->partitions[i]->backend) {
829 ldb_asprintf_errstring(module->ldb,
830 "partition_init: unable to determine an relative path for partition: %s", base);
831 talloc_free(mem_ctx);
833 ret = ldb_connect_backend(module->ldb, data->partitions[i]->backend, NULL, &data->partitions[i]->module);
834 if (ret != LDB_SUCCESS) {
835 talloc_free(mem_ctx);
839 data->partitions[i] = NULL;
841 /* sort these into order, most to least specific */
842 ldb_qsort(data->partitions, partition_attributes->num_values, sizeof(*data->partitions),
843 module->ldb, sort_compare);
845 for (i=0; data->partitions[i]; i++) {
846 struct ldb_request *req;
847 req = talloc_zero(mem_ctx, struct ldb_request);
849 ldb_debug(module->ldb, LDB_DEBUG_ERROR, "partition: Out of memory!\n");
850 talloc_free(mem_ctx);
851 return LDB_ERR_OPERATIONS_ERROR;
854 req->operation = LDB_REQ_REGISTER_PARTITION;
855 req->op.reg_partition.dn = data->partitions[i]->dn;
857 ret = ldb_request(module->ldb, req);
858 if (ret != LDB_SUCCESS) {
859 ldb_debug(module->ldb, LDB_DEBUG_ERROR, "partition: Unable to register partition with rootdse!\n");
860 talloc_free(mem_ctx);
861 return LDB_ERR_OTHER;
866 replicate_attributes = ldb_msg_find_element(msg, "replicateEntries");
867 if (!replicate_attributes) {
868 data->replicate = NULL;
870 data->replicate = talloc_array(data, struct ldb_dn *, replicate_attributes->num_values + 1);
871 if (!data->replicate) {
872 talloc_free(mem_ctx);
873 return LDB_ERR_OPERATIONS_ERROR;
876 for (i=0; i < replicate_attributes->num_values; i++) {
877 data->replicate[i] = ldb_dn_new(data->replicate, module->ldb, (const char *)replicate_attributes->values[i].data);
878 if (!ldb_dn_validate(data->replicate[i])) {
879 ldb_asprintf_errstring(module->ldb,
881 "invalid DN in partition replicate record: %s",
882 replicate_attributes->values[i].data);
883 talloc_free(mem_ctx);
884 return LDB_ERR_CONSTRAINT_VIOLATION;
887 data->replicate[i] = NULL;
890 /* Make the private data available to any searches the modules may trigger in initialisation */
891 module->private_data = data;
892 talloc_steal(module, data);
894 modules_attributes = ldb_msg_find_element(msg, "modules");
895 if (modules_attributes) {
896 for (i=0; i < modules_attributes->num_values; i++) {
897 struct ldb_dn *base_dn;
899 struct dsdb_control_current_partition *partition = NULL;
900 const char **modules = NULL;
902 char *base = talloc_strdup(data->partitions, (char *)modules_attributes->values[i].data);
903 char *p = strchr(base, ':');
905 ldb_asprintf_errstring(module->ldb,
907 "invalid form for partition module record (missing ':'): %s", base);
908 talloc_free(mem_ctx);
909 return LDB_ERR_CONSTRAINT_VIOLATION;
914 ldb_asprintf_errstring(module->ldb,
916 "invalid form for partition module record (missing backend database): %s", base);
917 talloc_free(mem_ctx);
918 return LDB_ERR_CONSTRAINT_VIOLATION;
921 modules = ldb_modules_list_from_string(module->ldb, mem_ctx,
924 base_dn = ldb_dn_new(mem_ctx, module->ldb, base);
925 if (!ldb_dn_validate(base_dn)) {
926 talloc_free(mem_ctx);
927 return LDB_ERR_OPERATIONS_ERROR;
930 for (partition_idx = 0; data->partitions[partition_idx]; partition_idx++) {
931 if (ldb_dn_compare(data->partitions[partition_idx]->dn, base_dn) == 0) {
932 partition = data->partitions[partition_idx];
938 ldb_asprintf_errstring(module->ldb,
940 "invalid form for partition module record (no such partition): %s", base);
941 talloc_free(mem_ctx);
942 return LDB_ERR_CONSTRAINT_VIOLATION;
945 ret = ldb_load_modules_list(module->ldb, modules, partition->module, &partition->module);
946 if (ret != LDB_SUCCESS) {
947 ldb_asprintf_errstring(module->ldb,
949 "loading backend for %s failed: %s",
950 base, ldb_errstring(module->ldb));
951 talloc_free(mem_ctx);
954 ret = ldb_init_module_chain(module->ldb, partition->module);
955 if (ret != LDB_SUCCESS) {
956 ldb_asprintf_errstring(module->ldb,
958 "initialising backend for %s failed: %s",
959 base, ldb_errstring(module->ldb));
960 talloc_free(mem_ctx);
966 talloc_free(mem_ctx);
967 return ldb_next_init(module);
970 static int partition_wait_none(struct ldb_handle *handle) {
971 struct partition_context *ac;
975 if (!handle || !handle->private_data) {
976 return LDB_ERR_OPERATIONS_ERROR;
979 if (handle->state == LDB_ASYNC_DONE) {
980 return handle->status;
983 handle->state = LDB_ASYNC_PENDING;
984 handle->status = LDB_SUCCESS;
986 ac = talloc_get_type(handle->private_data, struct partition_context);
988 for (i=0; i < ac->num_requests; i++) {
989 ret = ldb_wait(ac->down_req[i]->handle, LDB_WAIT_NONE);
991 if (ret != LDB_SUCCESS) {
992 handle->status = ret;
995 if (ac->down_req[i]->handle->status != LDB_SUCCESS) {
996 handle->status = ac->down_req[i]->handle->status;
1000 if (ac->down_req[i]->handle->state != LDB_ASYNC_DONE) {
1008 handle->state = LDB_ASYNC_DONE;
1013 static int partition_wait_all(struct ldb_handle *handle) {
1017 while (handle->state != LDB_ASYNC_DONE) {
1018 ret = partition_wait_none(handle);
1019 if (ret != LDB_SUCCESS) {
1024 return handle->status;
1027 static int partition_wait(struct ldb_handle *handle, enum ldb_wait_type type)
1029 if (type == LDB_WAIT_ALL) {
1030 return partition_wait_all(handle);
1032 return partition_wait_none(handle);
1036 static const struct ldb_module_ops partition_ops = {
1037 .name = "partition",
1038 .init_context = partition_init,
1039 .search = partition_search,
1040 .add = partition_add,
1041 .modify = partition_modify,
1042 .del = partition_delete,
1043 .rename = partition_rename,
1044 .extended = partition_extended,
1045 .sequence_number = partition_sequence_number,
1046 .start_transaction = partition_start_trans,
1047 .end_transaction = partition_end_trans,
1048 .del_transaction = partition_del_trans,
1049 .wait = partition_wait
1052 int ldb_partition_init(void)
1054 return ldb_register_module(&partition_ops);