4 Copyright (C) Simo Sorce 2004-2008
6 ** NOTE! The following LGPL license applies to the ldb
7 ** library. This does NOT imply that all of Samba is released
10 This library is free software; you can redistribute it and/or
11 modify it under the terms of the GNU Lesser General Public
12 License as published by the Free Software Foundation; either
13 version 3 of the License, or (at your option) any later version.
15 This library is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 Lesser General Public License for more details.
20 You should have received a copy of the GNU Lesser General Public
21 License along with this library; if not, see <http://www.gnu.org/licenses/>.
27 * Component: ldb modules core
29 * Description: core modules routines
34 #include "ldb_private.h"
35 #include "dlinklist.h"
37 #define LDB_MODULE_PREFIX "modules:"
38 #define LDB_MODULE_PREFIX_LEN 8
40 static void *ldb_dso_load_symbol(struct ldb_context *ldb, const char *name,
43 void ldb_set_modules_dir(struct ldb_context *ldb, const char *path)
45 talloc_free(ldb->modules_dir);
46 ldb->modules_dir = talloc_strdup(ldb, path);
49 static char *ldb_modules_strdup_no_spaces(TALLOC_CTX *mem_ctx, const char *string)
54 trimmed = talloc_strdup(mem_ctx, string);
59 len = strlen(trimmed);
60 for (i = 0; trimmed[i] != '\0'; i++) {
65 memmove(&trimmed[i], &trimmed[i + 1], len -i -1);
74 /* modules are called in inverse order on the stack.
75 Lets place them as an admin would think the right order is.
76 Modules order is important */
77 const char **ldb_modules_list_from_string(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, const char *string)
79 char **modules = NULL;
84 /* spaces not admitted */
85 modstr = ldb_modules_strdup_no_spaces(mem_ctx, string);
87 ldb_debug(ldb, LDB_DEBUG_FATAL, "Out of Memory in ldb_modules_strdup_no_spaces()");
91 modules = talloc_realloc(mem_ctx, modules, char *, 2);
93 ldb_debug(ldb, LDB_DEBUG_FATAL, "Out of Memory in ldb_modules_list_from_string()");
97 talloc_steal(modules, modstr);
99 if (modstr[0] == '\0') {
101 m = (const char **)modules;
106 /* The str*r*chr walks backwards: This is how we get the inverse order mentioned above */
107 while ((p = strrchr(modstr, ',')) != NULL) {
113 modules = talloc_realloc(mem_ctx, modules, char *, i + 2);
115 ldb_debug(ldb, LDB_DEBUG_FATAL, "Out of Memory in ldb_modules_list_from_string()");
122 modules[i + 1] = NULL;
124 m = (const char **)modules;
129 static struct backends_list_entry {
130 struct ldb_backend_ops *ops;
131 struct backends_list_entry *prev, *next;
132 } *ldb_backends = NULL;
134 static struct ops_list_entry {
135 const struct ldb_module_ops *ops;
136 struct ops_list_entry *next;
137 } *registered_modules = NULL;
139 static const struct ldb_builtins {
140 const struct ldb_backend_ops *backend_ops;
141 const struct ldb_module_ops *module_ops;
144 static ldb_connect_fn ldb_find_backend(const char *url)
146 struct backends_list_entry *backend;
149 for (i = 0; builtins[i].backend_ops || builtins[i].module_ops; i++) {
150 if (builtins[i].backend_ops == NULL) continue;
152 if (strncmp(builtins[i].backend_ops->name, url,
153 strlen(builtins[i].backend_ops->name)) == 0) {
154 return builtins[i].backend_ops->connect_fn;
158 for (backend = ldb_backends; backend; backend = backend->next) {
159 if (strncmp(backend->ops->name, url,
160 strlen(backend->ops->name)) == 0) {
161 return backend->ops->connect_fn;
169 register a new ldb backend
171 int ldb_register_backend(const char *url_prefix, ldb_connect_fn connectfn)
173 struct ldb_backend_ops *backend;
174 struct backends_list_entry *entry;
176 backend = talloc(talloc_autofree_context(), struct ldb_backend_ops);
177 if (!backend) return LDB_ERR_OPERATIONS_ERROR;
179 entry = talloc(talloc_autofree_context(), struct backends_list_entry);
181 talloc_free(backend);
182 return LDB_ERR_OPERATIONS_ERROR;
185 if (ldb_find_backend(url_prefix)) {
189 /* Maybe check for duplicity here later on? */
191 backend->name = talloc_strdup(backend, url_prefix);
192 backend->connect_fn = connectfn;
193 entry->ops = backend;
194 DLIST_ADD(ldb_backends, entry);
200 Return the ldb module form of a database.
201 The URL can either be one of the following forms
205 flags is made up of LDB_FLG_*
207 the options are passed uninterpreted to the backend, and are
210 This allows modules to get at only the backend module, for example where a
211 module may wish to direct certain requests at a particular backend.
213 int ldb_connect_backend(struct ldb_context *ldb,
215 const char *options[],
216 struct ldb_module **backend_module)
222 if (strchr(url, ':') != NULL) {
223 backend = talloc_strndup(ldb, url, strchr(url, ':')-url);
226 backend = talloc_strdup(ldb, "tdb");
229 fn = ldb_find_backend(backend);
232 struct ldb_backend_ops *ops;
233 char *symbol_name = talloc_asprintf(ldb, "ldb_%s_backend_ops", backend);
234 if (symbol_name == NULL) {
235 return LDB_ERR_OPERATIONS_ERROR;
237 ops = ldb_dso_load_symbol(ldb, backend, symbol_name);
239 fn = ops->connect_fn;
241 talloc_free(symbol_name);
244 talloc_free(backend);
247 ldb_debug(ldb, LDB_DEBUG_FATAL,
248 "Unable to find backend for '%s'", url);
249 return LDB_ERR_OTHER;
252 ret = fn(ldb, url, ldb->flags, options, backend_module);
254 if (ret != LDB_SUCCESS) {
255 ldb_debug(ldb, LDB_DEBUG_ERROR,
256 "Failed to connect to '%s'", url);
262 static const struct ldb_module_ops *ldb_find_module_ops(const char *name)
264 struct ops_list_entry *e;
267 for (i = 0; builtins[i].backend_ops || builtins[i].module_ops; i++) {
268 if (builtins[i].module_ops == NULL) continue;
270 if (strcmp(builtins[i].module_ops->name, name) == 0)
271 return builtins[i].module_ops;
274 for (e = registered_modules; e; e = e->next) {
275 if (strcmp(e->ops->name, name) == 0)
283 int ldb_register_module(const struct ldb_module_ops *ops)
285 struct ops_list_entry *entry = talloc(talloc_autofree_context(), struct ops_list_entry);
287 if (ldb_find_module_ops(ops->name) != NULL)
294 entry->next = registered_modules;
295 registered_modules = entry;
300 static void *ldb_dso_load_symbol(struct ldb_context *ldb, const char *name,
307 if (ldb->modules_dir == NULL)
310 path = talloc_asprintf(ldb, "%s/%s.%s", ldb->modules_dir, name,
313 ldb_debug(ldb, LDB_DEBUG_TRACE, "trying to load %s from %s", name, path);
315 handle = dlopen(path, RTLD_NOW);
316 if (handle == NULL) {
317 ldb_debug(ldb, LDB_DEBUG_WARNING, "unable to load %s from %s: %s", name, path, dlerror());
321 sym = (int (*)(void))dlsym(handle, symbol);
324 ldb_debug(ldb, LDB_DEBUG_ERROR, "no symbol `%s' found in %s: %s", symbol, path, dlerror());
333 int ldb_load_modules_list(struct ldb_context *ldb, const char **module_list, struct ldb_module *backend, struct ldb_module **out)
335 struct ldb_module *module;
340 for (i = 0; module_list && module_list[i] != NULL; i++) {
341 struct ldb_module *current;
342 const struct ldb_module_ops *ops;
344 if (strcmp(module_list[i], "") == 0) {
348 ops = ldb_find_module_ops(module_list[i]);
350 char *symbol_name = talloc_asprintf(ldb, "ldb_%s_module_ops",
352 if (symbol_name == NULL) {
353 return LDB_ERR_OPERATIONS_ERROR;
355 ops = ldb_dso_load_symbol(ldb, module_list[i], symbol_name);
356 talloc_free(symbol_name);
360 ldb_debug(ldb, LDB_DEBUG_WARNING, "WARNING: Module [%s] not found",
365 current = talloc_zero(ldb, struct ldb_module);
366 if (current == NULL) {
367 return LDB_ERR_OPERATIONS_ERROR;
369 talloc_set_name(current, "ldb_module: %s", module_list[i]);
374 DLIST_ADD(module, current);
380 int ldb_init_module_chain(struct ldb_context *ldb, struct ldb_module *module)
382 while (module && module->ops->init_context == NULL)
383 module = module->next;
385 /* init is different in that it is not an error if modules
386 * do not require initialization */
389 int ret = module->ops->init_context(module);
390 if (ret != LDB_SUCCESS) {
391 ldb_debug(ldb, LDB_DEBUG_FATAL, "module %s initialization failed", module->ops->name);
399 int ldb_load_modules(struct ldb_context *ldb, const char *options[])
401 const char **modules = NULL;
404 TALLOC_CTX *mem_ctx = talloc_new(ldb);
406 return LDB_ERR_OPERATIONS_ERROR;
409 /* find out which modules we are requested to activate */
411 /* check if we have a custom module list passd as ldb option */
413 for (i = 0; options[i] != NULL; i++) {
414 if (strncmp(options[i], LDB_MODULE_PREFIX, LDB_MODULE_PREFIX_LEN) == 0) {
415 modules = ldb_modules_list_from_string(ldb, mem_ctx, &options[i][LDB_MODULE_PREFIX_LEN]);
420 /* if not overloaded by options and the backend is not ldap try to load the modules list from ldb */
421 if ((modules == NULL) && (strcmp("ldap", ldb->modules->ops->name) != 0)) {
422 const char * const attrs[] = { "@LIST" , NULL};
423 struct ldb_result *res = NULL;
424 struct ldb_dn *mods_dn;
426 mods_dn = ldb_dn_new(mem_ctx, ldb, "@MODULES");
427 if (mods_dn == NULL) {
428 talloc_free(mem_ctx);
432 ret = ldb_search(ldb, mods_dn, &res, mods_dn, LDB_SCOPE_BASE, attrs, "@LIST=*");
434 if (ret == LDB_ERR_NO_SUCH_OBJECT) {
435 ldb_debug(ldb, LDB_DEBUG_TRACE, "no modules required by the db");
436 } else if (ret != LDB_SUCCESS) {
437 ldb_debug(ldb, LDB_DEBUG_FATAL, "ldb error (%s) occurred searching for modules, bailing out", ldb_errstring(ldb));
438 talloc_free(mem_ctx);
441 const char *module_list;
442 if (res->count == 0) {
443 ldb_debug(ldb, LDB_DEBUG_TRACE, "no modules required by the db");
444 } else if (res->count > 1) {
445 ldb_debug(ldb, LDB_DEBUG_FATAL, "Too many records found (%d), bailing out", res->count);
446 talloc_free(mem_ctx);
449 module_list = ldb_msg_find_attr_as_string(res->msgs[0], "@LIST", NULL);
451 ldb_debug(ldb, LDB_DEBUG_TRACE, "no modules required by the db");
453 modules = ldb_modules_list_from_string(ldb, mem_ctx,
458 talloc_free(mods_dn);
461 if (modules != NULL) {
462 ret = ldb_load_modules_list(ldb, modules, ldb->modules, &ldb->modules);
463 if (ret != LDB_SUCCESS) {
464 talloc_free(mem_ctx);
468 ldb_debug(ldb, LDB_DEBUG_TRACE, "No modules specified for this database");
471 ret = ldb_init_module_chain(ldb, ldb->modules);
472 talloc_free(mem_ctx);
477 by using this we allow ldb modules to only implement the functions they care about,
478 which makes writing a module simpler, and makes it more likely to keep working
481 #define FIND_OP_NOERR(module, op) do { \
482 module = module->next; \
483 while (module && module->ops->op == NULL) module = module->next; \
484 if ((module && module->ldb->flags & LDB_FLG_ENABLE_TRACING)) { \
485 ldb_debug(module->ldb, LDB_DEBUG_TRACE, "ldb_trace_next_request: (%s)->" #op, \
486 module->ops->name); \
490 #define FIND_OP(module, op) do { \
491 struct ldb_context *ldb = module->ldb; \
492 FIND_OP_NOERR(module, op); \
493 if (module == NULL) { \
494 ldb_asprintf_errstring(ldb, "Unable to find backend operation for " #op ); \
495 return LDB_ERR_OPERATIONS_ERROR; \
500 struct ldb_module *ldb_module_new(TALLOC_CTX *memctx,
501 struct ldb_context *ldb,
502 const char *module_name,
503 const struct ldb_module_ops *ops)
505 struct ldb_module *module;
507 module = talloc(memctx, struct ldb_module);
512 talloc_set_name_const(module, module_name);
514 module->prev = module->next = NULL;
520 const char * ldb_module_get_name(struct ldb_module *module)
522 return module->ops->name;
525 struct ldb_context *ldb_module_get_ctx(struct ldb_module *module)
530 const struct ldb_module_ops *ldb_module_get_ops(struct ldb_module *module)
535 void *ldb_module_get_private(struct ldb_module *module)
537 return module->private_data;
540 void ldb_module_set_private(struct ldb_module *module, void *private_data)
542 module->private_data = private_data;
546 helper functions to call the next module in chain
549 int ldb_next_request(struct ldb_module *module, struct ldb_request *request)
553 if (request->callback == NULL) {
554 ldb_set_errstring(module->ldb, "Requests MUST define callbacks");
555 return LDB_ERR_UNWILLING_TO_PERFORM;
558 request->handle->nesting++;
560 switch (request->operation) {
562 FIND_OP(module, search);
563 ret = module->ops->search(module, request);
566 FIND_OP(module, add);
567 ret = module->ops->add(module, request);
570 FIND_OP(module, modify);
571 ret = module->ops->modify(module, request);
574 FIND_OP(module, del);
575 ret = module->ops->del(module, request);
578 FIND_OP(module, rename);
579 ret = module->ops->rename(module, request);
582 FIND_OP(module, extended);
583 ret = module->ops->extended(module, request);
586 FIND_OP(module, request);
587 ret = module->ops->request(module, request);
591 request->handle->nesting--;
593 if (ret == LDB_SUCCESS) {
596 if (!ldb_errstring(module->ldb)) {
597 /* Set a default error string, to place the blame somewhere */
598 ldb_asprintf_errstring(module->ldb, "error in module %s: %s (%d)", module->ops->name, ldb_strerror(ret), ret);
601 if (!(request->handle->flags & LDB_HANDLE_FLAG_DONE_CALLED)) {
602 /* It is _extremely_ common that a module returns a
603 * failure without calling ldb_module_done(), but that
604 * guarantees we will end up hanging in
605 * ldb_wait(). This fixes it without having to rewrite
606 * all our modules, and leaves us one less sharp
607 * corner for module developers to cut themselves on
609 ret = ldb_module_done(request, NULL, NULL, ret);
614 int ldb_next_init(struct ldb_module *module)
616 module = module->next;
618 return ldb_init_module_chain(module->ldb, module);
621 int ldb_next_start_trans(struct ldb_module *module)
624 FIND_OP(module, start_transaction);
625 ret = module->ops->start_transaction(module);
626 if (ret == LDB_SUCCESS) {
629 if (!ldb_errstring(module->ldb)) {
630 /* Set a default error string, to place the blame somewhere */
631 ldb_asprintf_errstring(module->ldb, "start_trans error in module %s: %s (%d)", module->ops->name, ldb_strerror(ret), ret);
633 if ((module && module->ldb->flags & LDB_FLG_ENABLE_TRACING)) {
634 ldb_debug(module->ldb, LDB_DEBUG_TRACE, "ldb_next_start_trans error: %s",
635 ldb_errstring(module->ldb));
640 int ldb_next_end_trans(struct ldb_module *module)
643 FIND_OP(module, end_transaction);
644 ret = module->ops->end_transaction(module);
645 if (ret == LDB_SUCCESS) {
648 if (!ldb_errstring(module->ldb)) {
649 /* Set a default error string, to place the blame somewhere */
650 ldb_asprintf_errstring(module->ldb, "end_trans error in module %s: %s (%d)", module->ops->name, ldb_strerror(ret), ret);
652 if ((module && module->ldb->flags & LDB_FLG_ENABLE_TRACING)) {
653 ldb_debug(module->ldb, LDB_DEBUG_TRACE, "ldb_next_end_trans error: %s",
654 ldb_errstring(module->ldb));
659 int ldb_next_prepare_commit(struct ldb_module *module)
662 FIND_OP_NOERR(module, prepare_commit);
663 if (module == NULL) {
664 /* we are allowed to have no prepare commit in
668 ret = module->ops->prepare_commit(module);
669 if (ret == LDB_SUCCESS) {
672 if (!ldb_errstring(module->ldb)) {
673 /* Set a default error string, to place the blame somewhere */
674 ldb_asprintf_errstring(module->ldb, "prepare_commit error in module %s: %s (%d)", module->ops->name, ldb_strerror(ret), ret);
676 if ((module && module->ldb->flags & LDB_FLG_ENABLE_TRACING)) {
677 ldb_debug(module->ldb, LDB_DEBUG_TRACE, "ldb_next_prepare_commit error: %s",
678 ldb_errstring(module->ldb));
683 int ldb_next_del_trans(struct ldb_module *module)
686 FIND_OP(module, del_transaction);
687 ret = module->ops->del_transaction(module);
688 if (ret == LDB_SUCCESS) {
691 if (!ldb_errstring(module->ldb)) {
692 /* Set a default error string, to place the blame somewhere */
693 ldb_asprintf_errstring(module->ldb, "del_trans error in module %s: %s (%d)", module->ops->name, ldb_strerror(ret), ret);
695 if ((module && module->ldb->flags & LDB_FLG_ENABLE_TRACING)) {
696 ldb_debug(module->ldb, LDB_DEBUG_TRACE, "ldb_next_del_trans error: %s",
697 ldb_errstring(module->ldb));
702 struct ldb_handle *ldb_handle_new(TALLOC_CTX *mem_ctx, struct ldb_context *ldb)
704 struct ldb_handle *h;
706 h = talloc_zero(mem_ctx, struct ldb_handle);
708 ldb_set_errstring(ldb, "Out of Memory");
712 h->status = LDB_SUCCESS;
713 h->state = LDB_ASYNC_INIT;
720 /* calls the request callback to send an entry
723 * req: the original request passed to your module
724 * msg: reply message (must be a talloc pointer, and it will be stolen
725 * on the ldb_reply that is sent to the callback)
726 * ctrls: controls to send in the reply (must be a talloc pointer, and it will be stolen
727 * on the ldb_reply that is sent to the callback)
730 int ldb_module_send_entry(struct ldb_request *req,
731 struct ldb_message *msg,
732 struct ldb_control **ctrls)
734 struct ldb_reply *ares;
736 ares = talloc_zero(req, struct ldb_reply);
738 ldb_oom(req->handle->ldb);
739 req->callback(req, NULL);
740 return LDB_ERR_OPERATIONS_ERROR;
742 ares->type = LDB_REPLY_ENTRY;
743 ares->message = talloc_steal(ares, msg);
744 ares->controls = talloc_steal(ares, ctrls);
745 ares->error = LDB_SUCCESS;
747 if ((req->handle->ldb->flags & LDB_FLG_ENABLE_TRACING) &&
748 req->handle->nesting == 0) {
750 ldb_debug_add(req->handle->ldb, "ldb_trace_response: ENTRY\n");
751 s = ldb_ldif_message_string(req->handle->ldb, msg, LDB_CHANGETYPE_NONE, msg);
752 ldb_debug_add(req->handle->ldb, "%s\n", s);
754 ldb_debug_end(req->handle->ldb, LDB_DEBUG_TRACE);
757 return req->callback(req, ares);
760 /* calls the request callback to send an referrals
763 * req: the original request passed to your module
764 * ref: referral string (must be a talloc pointeri, steal)
767 int ldb_module_send_referral(struct ldb_request *req,
770 struct ldb_reply *ares;
772 ares = talloc_zero(req, struct ldb_reply);
774 ldb_oom(req->handle->ldb);
775 req->callback(req, NULL);
776 return LDB_ERR_OPERATIONS_ERROR;
778 ares->type = LDB_REPLY_REFERRAL;
779 ares->referral = talloc_steal(ares, ref);
780 ares->error = LDB_SUCCESS;
782 if ((req->handle->ldb->flags & LDB_FLG_ENABLE_TRACING) &&
783 req->handle->nesting == 0) {
784 ldb_debug_add(req->handle->ldb, "ldb_trace_response: REFERRAL\n");
785 ldb_debug_add(req->handle->ldb, "ref: %s\n", ref);
786 ldb_debug_end(req->handle->ldb, LDB_DEBUG_TRACE);
789 return req->callback(req, ares);
792 /* calls the original request callback
795 * req: the original request passed to your module
796 * ctrls: controls to send in the reply (must be a talloc pointer, steal)
797 * response: results for extended request (steal)
798 * error: LDB_SUCCESS for a successful return
799 * any other ldb error otherwise
801 int ldb_module_done(struct ldb_request *req,
802 struct ldb_control **ctrls,
803 struct ldb_extended *response,
806 struct ldb_reply *ares;
808 ares = talloc_zero(req, struct ldb_reply);
810 ldb_oom(req->handle->ldb);
811 req->callback(req, NULL);
812 return LDB_ERR_OPERATIONS_ERROR;
814 ares->type = LDB_REPLY_DONE;
815 ares->controls = talloc_steal(ares, ctrls);
816 ares->response = talloc_steal(ares, response);
819 req->handle->flags |= LDB_HANDLE_FLAG_DONE_CALLED;
821 if ((req->handle->ldb->flags & LDB_FLG_ENABLE_TRACING) &&
822 req->handle->nesting == 0) {
823 ldb_debug_add(req->handle->ldb, "ldb_trace_response: DONE\n");
824 ldb_debug_add(req->handle->ldb, "error: %u\n", error);
825 if (ldb_errstring(req->handle->ldb)) {
826 ldb_debug_add(req->handle->ldb, "msg: %s\n",
827 ldb_errstring(req->handle->ldb));
829 ldb_debug_end(req->handle->ldb, LDB_DEBUG_TRACE);
832 return req->callback(req, ares);
835 /* to be used *only* in modules init functions.
836 * this function i synchronous and will register
837 * the requested OID in the rootdse module if present
838 * otherwise it will return an error */
839 int ldb_mod_register_control(struct ldb_module *module, const char *oid)
841 struct ldb_request *req;
844 req = talloc_zero(module, struct ldb_request);
846 return LDB_ERR_OPERATIONS_ERROR;
849 req->operation = LDB_REQ_REGISTER_CONTROL;
850 req->op.reg_control.oid = oid;
851 req->callback = ldb_op_default_callback;
853 ldb_set_timeout(module->ldb, req, 0);
855 req->handle = ldb_handle_new(req, module->ldb);
856 if (req->handle == NULL) {
857 return LDB_ERR_OPERATIONS_ERROR;
860 ret = ldb_request(module->ldb, req);
861 if (ret == LDB_SUCCESS) {
862 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
869 #ifndef STATIC_LIBLDB_MODULES
872 #define LDAP_BACKEND LDB_BACKEND(ldap), LDB_BACKEND(ldapi), LDB_BACKEND(ldaps),
877 #ifdef HAVE_LDB_SQLITE3
878 #define SQLITE3_BACKEND LDB_BACKEND(sqlite3),
880 #define SQLITE3_BACKEND
883 #define STATIC_LIBLDB_MODULES \
887 LDB_MODULE(rdn_name), \
888 LDB_MODULE(paged_results), \
889 LDB_MODULE(server_sort), \
895 * this is a bit hacked, as STATIC_LIBLDB_MODULES contains ','
896 * between the elements and we want to autogenerate the
897 * extern struct declarations, so we do some hacks and let the
898 * ',' appear in an unused function prototype.
901 #define NULL LDB_MODULE(NULL),
903 #define LDB_BACKEND(name) \
905 extern const struct ldb_backend_ops ldb_ ## name ## _backend_ops;\
906 extern void ldb_noop ## name (int
907 #define LDB_MODULE(name) \
909 extern const struct ldb_module_ops ldb_ ## name ## _module_ops;\
910 extern void ldb_noop ## name (int
912 extern void ldb_start_noop(int,
913 STATIC_LIBLDB_MODULES
918 .backend_ops = (void *)0, \
919 .module_ops = (void *)0 \
923 #define LDB_BACKEND(name) { \
924 .backend_ops = &ldb_ ## name ## _backend_ops, \
925 .module_ops = (void *)0 \
928 #define LDB_MODULE(name) { \
929 .backend_ops = (void *)0, \
930 .module_ops = &ldb_ ## name ## _module_ops \
933 static const struct ldb_builtins builtins[] = {
934 STATIC_LIBLDB_MODULES