4 Copyright (C) Andrew Tridgell 2004
5 Copyright (C) Simo Sorce 2005-2008
7 ** NOTE! The following LGPL license applies to the ldb
8 ** library. This does NOT imply that all of Samba is released
11 This library is free software; you can redistribute it and/or
12 modify it under the terms of the GNU Lesser General Public
13 License as published by the Free Software Foundation; either
14 version 3 of the License, or (at your option) any later version.
16 This library is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 Lesser General Public License for more details.
21 You should have received a copy of the GNU Lesser General Public
22 License along with this library; if not, see <http://www.gnu.org/licenses/>.
28 * Component: ldb core API
30 * Description: core API routines interfacing to ldb backends
32 * Author: Andrew Tridgell
35 #include "ldb_includes.h"
38 initialise a ldb context
39 The mem_ctx is required
40 The event_ctx is required
42 struct ldb_context *ldb_init(TALLOC_CTX *mem_ctx, struct event_context *ev_ctx)
44 struct ldb_context *ldb;
47 ldb = talloc_zero(mem_ctx, struct ldb_context);
48 /* FIXME: Hack a new event context so that CMD line utilities work
49 * until we have them all converted */
51 ev_ctx = event_context_init(talloc_autofree_context());
54 ret = ldb_setup_wellknown_attributes(ldb);
60 ldb_set_utf8_default(ldb);
61 ldb_set_create_perms(ldb, 0666);
62 ldb_set_modules_dir(ldb, LDB_MODULESDIR);
63 ldb_set_event_context(ldb, ev_ctx);
65 /* TODO: get timeout from options if available there */
66 ldb->default_timeout = 300; /* set default to 5 minutes */
72 try to autodetect a basedn if none specified. This fixes one of my
73 pet hates about ldapsearch, which is that you have to get a long,
74 complex basedn right to make any use of it.
76 void ldb_set_default_dns(struct ldb_context *ldb)
80 struct ldb_result *res;
81 struct ldb_dn *tmp_dn=NULL;
82 static const char *attrs[] = {
83 "rootDomainNamingContext",
84 "configurationNamingContext",
85 "schemaNamingContext",
86 "defaultNamingContext",
90 tmp_ctx = talloc_new(ldb);
91 ret = ldb_search(ldb, tmp_ctx, &res, ldb_dn_new(tmp_ctx, ldb, NULL),
92 LDB_SCOPE_BASE, attrs, "(objectClass=*)");
93 if (ret != LDB_SUCCESS) {
98 if (res->count != 1) {
103 if (!ldb_get_opaque(ldb, "rootDomainNamingContext")) {
104 tmp_dn = ldb_msg_find_attr_as_dn(ldb, ldb, res->msgs[0],
105 "rootDomainNamingContext");
106 ldb_set_opaque(ldb, "rootDomainNamingContext", tmp_dn);
109 if (!ldb_get_opaque(ldb, "configurationNamingContext")) {
110 tmp_dn = ldb_msg_find_attr_as_dn(ldb, ldb, res->msgs[0],
111 "configurationNamingContext");
112 ldb_set_opaque(ldb, "configurationNamingContext", tmp_dn);
115 if (!ldb_get_opaque(ldb, "schemaNamingContext")) {
116 tmp_dn = ldb_msg_find_attr_as_dn(ldb, ldb, res->msgs[0],
117 "schemaNamingContext");
118 ldb_set_opaque(ldb, "schemaNamingContext", tmp_dn);
121 if (!ldb_get_opaque(ldb, "defaultNamingContext")) {
122 tmp_dn = ldb_msg_find_attr_as_dn(ldb, ldb, res->msgs[0],
123 "defaultNamingContext");
124 ldb_set_opaque(ldb, "defaultNamingContext", tmp_dn);
127 talloc_free(tmp_ctx);
130 struct ldb_dn *ldb_get_root_basedn(struct ldb_context *ldb)
132 void *opaque = ldb_get_opaque(ldb, "rootDomainNamingContext");
133 return talloc_get_type(opaque, struct ldb_dn);
136 struct ldb_dn *ldb_get_config_basedn(struct ldb_context *ldb)
138 void *opaque = ldb_get_opaque(ldb, "configurationNamingContext");
139 return talloc_get_type(opaque, struct ldb_dn);
142 struct ldb_dn *ldb_get_schema_basedn(struct ldb_context *ldb)
144 void *opaque = ldb_get_opaque(ldb, "schemaNamingContext");
145 return talloc_get_type(opaque, struct ldb_dn);
148 struct ldb_dn *ldb_get_default_basedn(struct ldb_context *ldb)
150 void *opaque = ldb_get_opaque(ldb, "defaultNamingContext");
151 return talloc_get_type(opaque, struct ldb_dn);
155 connect to a database. The URL can either be one of the following forms
159 flags is made up of LDB_FLG_*
161 the options are passed uninterpreted to the backend, and are
164 int ldb_connect(struct ldb_context *ldb, const char *url,
165 unsigned int flags, const char *options[])
169 /* We seem to need to do this here, or else some utilities don't
170 * get ldb backends */
174 url2 = talloc_strdup(ldb, url);
177 return LDB_ERR_OPERATIONS_ERROR;
179 ret = ldb_set_opaque(ldb, "ldb_url", talloc_strdup(ldb, url2));
180 if (ret != LDB_SUCCESS) {
184 ret = ldb_connect_backend(ldb, url, options, &ldb->modules);
185 if (ret != LDB_SUCCESS) {
189 if (ldb_load_modules(ldb, options) != LDB_SUCCESS) {
190 ldb_debug(ldb, LDB_DEBUG_FATAL,
191 "Unable to load modules for %s: %s\n",
192 url, ldb_errstring(ldb));
193 return LDB_ERR_OTHER;
196 /* set the default base dn */
197 ldb_set_default_dns(ldb);
202 void ldb_set_errstring(struct ldb_context *ldb, const char *err_string)
204 if (ldb->err_string) {
205 talloc_free(ldb->err_string);
207 ldb->err_string = talloc_strdup(ldb, err_string);
210 void ldb_asprintf_errstring(struct ldb_context *ldb, const char *format, ...)
213 char *old_string = NULL;
215 if (ldb->err_string) {
216 old_string = ldb->err_string;
219 va_start(ap, format);
220 ldb->err_string = talloc_vasprintf(ldb, format, ap);
222 talloc_free(old_string);
225 void ldb_reset_err_string(struct ldb_context *ldb)
227 if (ldb->err_string) {
228 talloc_free(ldb->err_string);
229 ldb->err_string = NULL;
233 #define FIRST_OP(ldb, op) do { \
234 module = ldb->modules; \
235 while (module && module->ops->op == NULL) module = module->next; \
236 if (module == NULL) { \
237 ldb_asprintf_errstring(ldb, "unable to find module or backend to handle operation: " #op); \
238 return LDB_ERR_OPERATIONS_ERROR; \
245 static int ldb_transaction_start_internal(struct ldb_context *ldb)
247 struct ldb_module *module;
249 FIRST_OP(ldb, start_transaction);
251 ldb_reset_err_string(ldb);
253 status = module->ops->start_transaction(module);
254 if (status != LDB_SUCCESS) {
255 if (ldb->err_string == NULL) {
256 /* no error string was setup by the backend */
257 ldb_asprintf_errstring(ldb,
258 "ldb transaction start: %s (%d)",
259 ldb_strerror(status),
269 static int ldb_transaction_commit_internal(struct ldb_context *ldb)
271 struct ldb_module *module;
273 FIRST_OP(ldb, end_transaction);
275 ldb_reset_err_string(ldb);
277 status = module->ops->end_transaction(module);
278 if (status != LDB_SUCCESS) {
279 if (ldb->err_string == NULL) {
280 /* no error string was setup by the backend */
281 ldb_asprintf_errstring(ldb,
282 "ldb transaction commit: %s (%d)",
283 ldb_strerror(status),
293 static int ldb_transaction_cancel_internal(struct ldb_context *ldb)
295 struct ldb_module *module;
297 FIRST_OP(ldb, del_transaction);
299 status = module->ops->del_transaction(module);
300 if (status != LDB_SUCCESS) {
301 if (ldb->err_string == NULL) {
302 /* no error string was setup by the backend */
303 ldb_asprintf_errstring(ldb,
304 "ldb transaction cancel: %s (%d)",
305 ldb_strerror(status),
312 int ldb_transaction_start(struct ldb_context *ldb)
314 /* disable autotransactions */
315 ldb->transaction_active++;
317 return ldb_transaction_start_internal(ldb);
320 int ldb_transaction_commit(struct ldb_context *ldb)
322 /* renable autotransactions (when we reach 0) */
323 if (ldb->transaction_active > 0)
324 ldb->transaction_active--;
326 return ldb_transaction_commit_internal(ldb);
329 int ldb_transaction_cancel(struct ldb_context *ldb)
331 /* renable autotransactions (when we reach 0) */
332 if (ldb->transaction_active > 0)
333 ldb->transaction_active--;
335 return ldb_transaction_cancel_internal(ldb);
338 static int ldb_autotransaction_start(struct ldb_context *ldb)
340 /* explicit transaction active, ignore autotransaction request */
341 if (ldb->transaction_active)
344 return ldb_transaction_start_internal(ldb);
347 static int ldb_autotransaction_commit(struct ldb_context *ldb)
349 /* explicit transaction active, ignore autotransaction request */
350 if (ldb->transaction_active)
353 return ldb_transaction_commit_internal(ldb);
356 static int ldb_autotransaction_cancel(struct ldb_context *ldb)
358 /* explicit transaction active, ignore autotransaction request */
359 if (ldb->transaction_active)
362 return ldb_transaction_cancel_internal(ldb);
365 /* autostarts a transacion if none active */
366 static int ldb_autotransaction_request(struct ldb_context *ldb,
367 struct ldb_request *req)
371 ret = ldb_autotransaction_start(ldb);
372 if (ret != LDB_SUCCESS) {
376 ret = ldb_request(ldb, req);
377 if (ret == LDB_SUCCESS) {
378 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
381 if (ret == LDB_SUCCESS) {
382 return ldb_autotransaction_commit(ldb);
384 ldb_autotransaction_cancel(ldb);
386 if (ldb->err_string == NULL) {
387 /* no error string was setup by the backend */
388 ldb_asprintf_errstring(ldb, "%s (%d)", ldb_strerror(ret), ret);
394 int ldb_wait(struct ldb_handle *handle, enum ldb_wait_type type)
396 struct event_context *ev;
399 return LDB_ERR_UNAVAILABLE;
402 if (handle->state == LDB_ASYNC_DONE) {
403 return handle->status;
406 ev = ldb_get_event_context(handle->ldb);
408 return LDB_ERR_OPERATIONS_ERROR;
414 if (handle->state == LDB_ASYNC_DONE ||
415 handle->status != LDB_SUCCESS) {
416 return handle->status;
421 while (handle->state != LDB_ASYNC_DONE) {
423 if (handle->status != LDB_SUCCESS) {
424 return handle->status;
427 return handle->status;
433 /* set the specified timeout or, if timeout is 0 set the default timeout */
434 int ldb_set_timeout(struct ldb_context *ldb,
435 struct ldb_request *req,
438 if (req == NULL) return LDB_ERR_OPERATIONS_ERROR;
441 req->timeout = timeout;
443 req->timeout = ldb->default_timeout;
445 req->starttime = time(NULL);
450 /* calculates the new timeout based on the previous starttime and timeout */
451 int ldb_set_timeout_from_prev_req(struct ldb_context *ldb,
452 struct ldb_request *oldreq,
453 struct ldb_request *newreq)
455 if (newreq == NULL) return LDB_ERR_OPERATIONS_ERROR;
457 if (oldreq == NULL) {
458 return ldb_set_timeout(ldb, newreq, 0);
461 newreq->starttime = oldreq->starttime;
462 newreq->timeout = oldreq->timeout;
469 set the permissions for new files to be passed to open() in
470 backends that use local files
472 void ldb_set_create_perms(struct ldb_context *ldb, unsigned int perms)
474 ldb->create_perms = perms;
477 void ldb_set_event_context(struct ldb_context *ldb, struct event_context *ev)
482 struct event_context * ldb_get_event_context(struct ldb_context *ldb)
489 NOTE: the request must be a talloc context.
490 returns LDB_ERR_* on errors.
492 int ldb_request(struct ldb_context *ldb, struct ldb_request *req)
494 struct ldb_module *module;
497 if (req->callback == NULL) {
498 ldb_set_errstring(ldb, "Requests MUST define callbacks");
499 return LDB_ERR_UNWILLING_TO_PERFORM;
502 ldb_reset_err_string(ldb);
504 /* call the first module in the chain */
505 switch (req->operation) {
507 FIRST_OP(ldb, search);
508 ret = module->ops->search(module, req);
512 ret = module->ops->add(module, req);
515 FIRST_OP(ldb, modify);
516 ret = module->ops->modify(module, req);
520 ret = module->ops->del(module, req);
523 FIRST_OP(ldb, rename);
524 ret = module->ops->rename(module, req);
527 FIRST_OP(ldb, extended);
528 ret = module->ops->extended(module, req);
530 case LDB_SEQUENCE_NUMBER:
531 FIRST_OP(ldb, sequence_number);
532 ret = module->ops->sequence_number(module, req);
535 FIRST_OP(ldb, request);
536 ret = module->ops->request(module, req);
543 int ldb_request_done(struct ldb_request *req, int status)
545 req->handle->state = LDB_ASYNC_DONE;
546 req->handle->status = status;
551 search the database given a LDAP-like search expression
553 returns an LDB error code
555 Use talloc_free to free the ldb_message returned in 'res', if successful
558 int ldb_search_default_callback(struct ldb_request *req,
559 struct ldb_reply *ares)
561 struct ldb_result *res;
564 res = talloc_get_type(req->context, struct ldb_result);
567 return ldb_request_done(req, LDB_ERR_OPERATIONS_ERROR);
569 if (ares->error != LDB_SUCCESS) {
570 return ldb_request_done(req, ares->error);
573 switch (ares->type) {
574 case LDB_REPLY_ENTRY:
575 res->msgs = talloc_realloc(res, res->msgs,
576 struct ldb_message *, res->count + 2);
578 return ldb_request_done(req, LDB_ERR_OPERATIONS_ERROR);
581 res->msgs[res->count + 1] = NULL;
583 res->msgs[res->count] = talloc_move(res->msgs, &ares->message);
587 case LDB_REPLY_REFERRAL:
589 for (n = 0; res->refs[n]; n++) /*noop*/ ;
594 res->refs = talloc_realloc(res, res->refs, char *, n + 2);
596 return ldb_request_done(req, LDB_ERR_OPERATIONS_ERROR);
599 res->refs[n] = talloc_move(res->refs, &ares->referral);
600 res->refs[n + 1] = NULL;
604 /* TODO: we should really support controls on entries
605 * and referrals too! */
606 res->controls = talloc_move(res, &ares->controls);
608 /* this is the last message, and means the request is done */
609 /* we have to signal and eventual ldb_wait() waiting that the
610 * async request operation was completed */
611 return ldb_request_done(req, LDB_SUCCESS);
618 int ldb_op_default_callback(struct ldb_request *req, struct ldb_reply *ares)
623 return ldb_request_done(req, LDB_ERR_OPERATIONS_ERROR);
626 if (ares->error != LDB_SUCCESS) {
629 return ldb_request_done(req, ret);
632 if (ares->type != LDB_REPLY_DONE) {
634 ldb_set_errstring(req->handle->ldb, "Invalid reply type!");
635 return ldb_request_done(req, LDB_ERR_OPERATIONS_ERROR);
639 return ldb_request_done(req, LDB_SUCCESS);
642 int ldb_build_search_req_ex(struct ldb_request **ret_req,
643 struct ldb_context *ldb,
646 enum ldb_scope scope,
647 struct ldb_parse_tree *tree,
648 const char * const *attrs,
649 struct ldb_control **controls,
651 ldb_request_callback_t callback,
652 struct ldb_request *parent)
654 struct ldb_request *req;
658 req = talloc(mem_ctx, struct ldb_request);
661 return LDB_ERR_OPERATIONS_ERROR;
664 req->operation = LDB_SEARCH;
666 req->op.search.base = ldb_dn_new(req, ldb, NULL);
668 req->op.search.base = base;
670 req->op.search.scope = scope;
672 req->op.search.tree = tree;
673 if (req->op.search.tree == NULL) {
674 ldb_set_errstring(ldb, "'tree' can't be NULL");
676 return LDB_ERR_OPERATIONS_ERROR;
679 req->op.search.attrs = attrs;
680 req->controls = controls;
681 req->context = context;
682 req->callback = callback;
684 ldb_set_timeout_from_prev_req(ldb, parent, req);
686 req->handle = ldb_handle_new(req, ldb);
687 if (req->handle == NULL) {
689 return LDB_ERR_OPERATIONS_ERROR;
696 int ldb_build_search_req(struct ldb_request **ret_req,
697 struct ldb_context *ldb,
700 enum ldb_scope scope,
701 const char *expression,
702 const char * const *attrs,
703 struct ldb_control **controls,
705 ldb_request_callback_t callback,
706 struct ldb_request *parent)
708 struct ldb_parse_tree *tree;
711 tree = ldb_parse_tree(mem_ctx, expression);
713 ldb_set_errstring(ldb, "Unable to parse search expression");
714 return LDB_ERR_OPERATIONS_ERROR;
717 ret = ldb_build_search_req_ex(ret_req, ldb, mem_ctx, base,
718 scope, tree, attrs, controls,
719 context, callback, parent);
720 if (ret == LDB_SUCCESS) {
721 talloc_steal(*ret_req, tree);
726 int ldb_build_add_req(struct ldb_request **ret_req,
727 struct ldb_context *ldb,
729 const struct ldb_message *message,
730 struct ldb_control **controls,
732 ldb_request_callback_t callback,
733 struct ldb_request *parent)
735 struct ldb_request *req;
739 req = talloc(mem_ctx, struct ldb_request);
741 ldb_set_errstring(ldb, "Out of Memory");
742 return LDB_ERR_OPERATIONS_ERROR;
745 req->operation = LDB_ADD;
746 req->op.add.message = message;
747 req->controls = controls;
748 req->context = context;
749 req->callback = callback;
751 ldb_set_timeout_from_prev_req(ldb, parent, req);
753 req->handle = ldb_handle_new(req, ldb);
754 if (req->handle == NULL) {
756 return LDB_ERR_OPERATIONS_ERROR;
764 int ldb_build_mod_req(struct ldb_request **ret_req,
765 struct ldb_context *ldb,
767 const struct ldb_message *message,
768 struct ldb_control **controls,
770 ldb_request_callback_t callback,
771 struct ldb_request *parent)
773 struct ldb_request *req;
777 req = talloc(mem_ctx, struct ldb_request);
779 ldb_set_errstring(ldb, "Out of Memory");
780 return LDB_ERR_OPERATIONS_ERROR;
783 req->operation = LDB_MODIFY;
784 req->op.mod.message = message;
785 req->controls = controls;
786 req->context = context;
787 req->callback = callback;
789 ldb_set_timeout_from_prev_req(ldb, parent, req);
791 req->handle = ldb_handle_new(req, ldb);
792 if (req->handle == NULL) {
794 return LDB_ERR_OPERATIONS_ERROR;
802 int ldb_build_del_req(struct ldb_request **ret_req,
803 struct ldb_context *ldb,
806 struct ldb_control **controls,
808 ldb_request_callback_t callback,
809 struct ldb_request *parent)
811 struct ldb_request *req;
815 req = talloc(mem_ctx, struct ldb_request);
817 ldb_set_errstring(ldb, "Out of Memory");
818 return LDB_ERR_OPERATIONS_ERROR;
821 req->operation = LDB_DELETE;
823 req->controls = controls;
824 req->context = context;
825 req->callback = callback;
827 ldb_set_timeout_from_prev_req(ldb, parent, req);
829 req->handle = ldb_handle_new(req, ldb);
830 if (req->handle == NULL) {
832 return LDB_ERR_OPERATIONS_ERROR;
840 int ldb_build_rename_req(struct ldb_request **ret_req,
841 struct ldb_context *ldb,
843 struct ldb_dn *olddn,
844 struct ldb_dn *newdn,
845 struct ldb_control **controls,
847 ldb_request_callback_t callback,
848 struct ldb_request *parent)
850 struct ldb_request *req;
854 req = talloc(mem_ctx, struct ldb_request);
856 ldb_set_errstring(ldb, "Out of Memory");
857 return LDB_ERR_OPERATIONS_ERROR;
860 req->operation = LDB_RENAME;
861 req->op.rename.olddn = olddn;
862 req->op.rename.newdn = newdn;
863 req->controls = controls;
864 req->context = context;
865 req->callback = callback;
867 ldb_set_timeout_from_prev_req(ldb, parent, req);
869 req->handle = ldb_handle_new(req, ldb);
870 if (req->handle == NULL) {
872 return LDB_ERR_OPERATIONS_ERROR;
880 int ldb_extended_default_callback(struct ldb_request *req,
881 struct ldb_reply *ares)
883 struct ldb_result *res;
885 res = talloc_get_type(req->context, struct ldb_result);
888 return ldb_request_done(req, LDB_ERR_OPERATIONS_ERROR);
890 if (ares->error != LDB_SUCCESS) {
891 return ldb_request_done(req, ares->error);
894 if (ares->type == LDB_REPLY_DONE) {
896 /* TODO: we should really support controls on entries and referrals too! */
897 res->extended = talloc_move(res, &ares->response);
898 res->controls = talloc_move(res, &ares->controls);
901 return ldb_request_done(req, LDB_SUCCESS);
905 ldb_set_errstring(req->handle->ldb, "Invalid reply type!");
906 return ldb_request_done(req, LDB_ERR_OPERATIONS_ERROR);
909 int ldb_build_extended_req(struct ldb_request **ret_req,
910 struct ldb_context *ldb,
914 struct ldb_control **controls,
916 ldb_request_callback_t callback,
917 struct ldb_request *parent)
919 struct ldb_request *req;
923 req = talloc(mem_ctx, struct ldb_request);
925 ldb_set_errstring(ldb, "Out of Memory");
926 return LDB_ERR_OPERATIONS_ERROR;
929 req->operation = LDB_EXTENDED;
930 req->op.extended.oid = oid;
931 req->op.extended.data = data;
932 req->controls = controls;
933 req->context = context;
934 req->callback = callback;
936 ldb_set_timeout_from_prev_req(ldb, parent, req);
938 req->handle = ldb_handle_new(req, ldb);
939 if (req->handle == NULL) {
941 return LDB_ERR_OPERATIONS_ERROR;
949 int ldb_extended(struct ldb_context *ldb,
952 struct ldb_result **_res)
954 struct ldb_request *req;
956 struct ldb_result *res;
960 res = talloc_zero(ldb, struct ldb_result);
962 return LDB_ERR_OPERATIONS_ERROR;
965 ret = ldb_build_extended_req(&req, ldb, ldb,
967 res, ldb_extended_default_callback,
969 if (ret != LDB_SUCCESS) goto done;
971 ldb_set_timeout(ldb, req, 0); /* use default timeout */
973 ret = ldb_request(ldb, req);
975 if (ret == LDB_SUCCESS) {
976 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
982 if (ret != LDB_SUCCESS) {
991 note that ldb_search() will automatically replace a NULL 'base' value
992 with the defaultNamingContext from the rootDSE if available.
994 int ldb_search(struct ldb_context *ldb, TALLOC_CTX *mem_ctx,
995 struct ldb_result **result, struct ldb_dn *base,
996 enum ldb_scope scope, const char * const *attrs,
997 const char *exp_fmt, ...)
999 struct ldb_request *req;
1000 struct ldb_result *res;
1009 res = talloc_zero(mem_ctx, struct ldb_result);
1011 return LDB_ERR_OPERATIONS_ERROR;
1015 va_start(ap, exp_fmt);
1016 expression = talloc_vasprintf(mem_ctx, exp_fmt, ap);
1021 return LDB_ERR_OPERATIONS_ERROR;
1025 ret = ldb_build_search_req(&req, ldb, mem_ctx,
1026 base?base:ldb_get_default_basedn(ldb),
1032 ldb_search_default_callback,
1035 if (ret != LDB_SUCCESS) goto done;
1037 ret = ldb_request(ldb, req);
1039 if (ret == LDB_SUCCESS) {
1040 ret = ldb_wait(req->handle, LDB_WAIT_ALL);
1044 if (ret != LDB_SUCCESS) {
1049 talloc_free(expression);
1057 add a record to the database. Will fail if a record with the given class
1058 and key already exists
1060 int ldb_add(struct ldb_context *ldb,
1061 const struct ldb_message *message)
1063 struct ldb_request *req;
1066 ret = ldb_msg_sanity_check(ldb, message);
1067 if (ret != LDB_SUCCESS) {
1071 ret = ldb_build_add_req(&req, ldb, ldb,
1075 ldb_op_default_callback,
1078 if (ret != LDB_SUCCESS) return ret;
1080 /* do request and autostart a transaction */
1081 ret = ldb_autotransaction_request(ldb, req);
1088 modify the specified attributes of a record
1090 int ldb_modify(struct ldb_context *ldb,
1091 const struct ldb_message *message)
1093 struct ldb_request *req;
1096 ret = ldb_msg_sanity_check(ldb, message);
1097 if (ret != LDB_SUCCESS) {
1101 ret = ldb_build_mod_req(&req, ldb, ldb,
1105 ldb_op_default_callback,
1108 if (ret != LDB_SUCCESS) return ret;
1110 /* do request and autostart a transaction */
1111 ret = ldb_autotransaction_request(ldb, req);
1119 delete a record from the database
1121 int ldb_delete(struct ldb_context *ldb, struct ldb_dn *dn)
1123 struct ldb_request *req;
1126 ret = ldb_build_del_req(&req, ldb, ldb,
1130 ldb_op_default_callback,
1133 if (ret != LDB_SUCCESS) return ret;
1135 /* do request and autostart a transaction */
1136 ret = ldb_autotransaction_request(ldb, req);
1143 rename a record in the database
1145 int ldb_rename(struct ldb_context *ldb,
1146 struct ldb_dn *olddn, struct ldb_dn *newdn)
1148 struct ldb_request *req;
1151 ret = ldb_build_rename_req(&req, ldb, ldb,
1156 ldb_op_default_callback,
1159 if (ret != LDB_SUCCESS) return ret;
1161 /* do request and autostart a transaction */
1162 ret = ldb_autotransaction_request(ldb, req);
1170 return the global sequence number
1172 int ldb_sequence_number(struct ldb_context *ldb,
1173 enum ldb_sequence_type type, uint64_t *seq_num)
1175 struct ldb_request *req;
1178 req = talloc_zero(ldb, struct ldb_request);
1180 ldb_set_errstring(ldb, "Out of Memory");
1181 return LDB_ERR_OPERATIONS_ERROR;
1184 req->operation = LDB_SEQUENCE_NUMBER;
1185 req->controls = NULL;
1186 req->context = NULL;
1187 req->callback = ldb_op_default_callback;
1188 ldb_set_timeout(ldb, req, 0); /* use default timeout */
1190 req->op.seq_num.type = type;
1191 /* do request and autostart a transaction */
1192 ret = ldb_request(ldb, req);
1194 if (ret == LDB_SUCCESS) {
1195 *seq_num = req->op.seq_num.seq_num;
1205 return extended error information
1207 const char *ldb_errstring(struct ldb_context *ldb)
1209 if (ldb->err_string) {
1210 return ldb->err_string;
1217 return a string explaining what a ldb error constant meancs
1219 const char *ldb_strerror(int ldb_err)
1224 case LDB_ERR_OPERATIONS_ERROR:
1225 return "Operations error";
1226 case LDB_ERR_PROTOCOL_ERROR:
1227 return "Protocol error";
1228 case LDB_ERR_TIME_LIMIT_EXCEEDED:
1229 return "Time limit exceeded";
1230 case LDB_ERR_SIZE_LIMIT_EXCEEDED:
1231 return "Size limit exceeded";
1232 case LDB_ERR_COMPARE_FALSE:
1233 return "Compare false";
1234 case LDB_ERR_COMPARE_TRUE:
1235 return "Compare true";
1236 case LDB_ERR_AUTH_METHOD_NOT_SUPPORTED:
1237 return "Auth method not supported";
1238 case LDB_ERR_STRONG_AUTH_REQUIRED:
1239 return "Strong auth required";
1241 case LDB_ERR_REFERRAL:
1242 return "Referral error";
1243 case LDB_ERR_ADMIN_LIMIT_EXCEEDED:
1244 return "Admin limit exceeded";
1245 case LDB_ERR_UNSUPPORTED_CRITICAL_EXTENSION:
1246 return "Unsupported critical extension";
1247 case LDB_ERR_CONFIDENTIALITY_REQUIRED:
1248 return "Confidentiality required";
1249 case LDB_ERR_SASL_BIND_IN_PROGRESS:
1250 return "SASL bind in progress";
1251 case LDB_ERR_NO_SUCH_ATTRIBUTE:
1252 return "No such attribute";
1253 case LDB_ERR_UNDEFINED_ATTRIBUTE_TYPE:
1254 return "Undefined attribute type";
1255 case LDB_ERR_INAPPROPRIATE_MATCHING:
1256 return "Inappropriate matching";
1257 case LDB_ERR_CONSTRAINT_VIOLATION:
1258 return "Constraint violation";
1259 case LDB_ERR_ATTRIBUTE_OR_VALUE_EXISTS:
1260 return "Attribute or value exists";
1261 case LDB_ERR_INVALID_ATTRIBUTE_SYNTAX:
1262 return "Invalid attribute syntax";
1264 case LDB_ERR_NO_SUCH_OBJECT:
1265 return "No such object";
1266 case LDB_ERR_ALIAS_PROBLEM:
1267 return "Alias problem";
1268 case LDB_ERR_INVALID_DN_SYNTAX:
1269 return "Invalid DN syntax";
1271 case LDB_ERR_ALIAS_DEREFERENCING_PROBLEM:
1272 return "Alias dereferencing problem";
1274 case LDB_ERR_INAPPROPRIATE_AUTHENTICATION:
1275 return "Inappropriate authentication";
1276 case LDB_ERR_INVALID_CREDENTIALS:
1277 return "Invalid credentials";
1278 case LDB_ERR_INSUFFICIENT_ACCESS_RIGHTS:
1279 return "insufficient access rights";
1282 case LDB_ERR_UNAVAILABLE:
1283 return "Unavailable";
1284 case LDB_ERR_UNWILLING_TO_PERFORM:
1285 return "Unwilling to perform";
1286 case LDB_ERR_LOOP_DETECT:
1287 return "Loop detect";
1289 case LDB_ERR_NAMING_VIOLATION:
1290 return "Naming violation";
1291 case LDB_ERR_OBJECT_CLASS_VIOLATION:
1292 return "Object class violation";
1293 case LDB_ERR_NOT_ALLOWED_ON_NON_LEAF:
1294 return "Not allowed on non-leaf";
1295 case LDB_ERR_NOT_ALLOWED_ON_RDN:
1296 return "Not allowed on RDN";
1297 case LDB_ERR_ENTRY_ALREADY_EXISTS:
1298 return "Entry already exists";
1299 case LDB_ERR_OBJECT_CLASS_MODS_PROHIBITED:
1300 return "Object class mods prohibited";
1301 /* 70 RESERVED FOR CLDAP */
1302 case LDB_ERR_AFFECTS_MULTIPLE_DSAS:
1303 return "Affects multiple DSAs";
1309 return "Unknown error";
1313 set backend specific opaque parameters
1315 int ldb_set_opaque(struct ldb_context *ldb, const char *name, void *value)
1317 struct ldb_opaque *o;
1319 /* allow updating an existing value */
1320 for (o=ldb->opaque;o;o=o->next) {
1321 if (strcmp(o->name, name) == 0) {
1327 o = talloc(ldb, struct ldb_opaque);
1330 return LDB_ERR_OTHER;
1332 o->next = ldb->opaque;
1340 get a previously set opaque value
1342 void *ldb_get_opaque(struct ldb_context *ldb, const char *name)
1344 struct ldb_opaque *o;
1345 for (o=ldb->opaque;o;o=o->next) {
1346 if (strcmp(o->name, name) == 0) {