4 Copyright (C) Simo Sorce 2004
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 2 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, write to the Free Software
22 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
28 * Component: ldb objectguid module
30 * Description: add a unique objectGUID onto every new record
36 #include "ldb/include/ldb.h"
37 #include "ldb/include/ldb_private.h"
40 static int rdn_name_search(struct ldb_module *module, const struct ldb_dn *base,
41 enum ldb_scope scope, const char *expression,
42 const char * const *attrs, struct ldb_message ***res)
44 ldb_debug(module->ldb, LDB_DEBUG_TRACE, "rdn_name_search\n");
45 return ldb_next_search(module, base, scope, expression, attrs, res);
48 static int rdn_name_search_bytree(struct ldb_module *module, const struct ldb_dn *base,
49 enum ldb_scope scope, struct ldb_parse_tree *tree,
50 const char * const *attrs, struct ldb_message ***res)
52 ldb_debug(module->ldb, LDB_DEBUG_TRACE, "rdn_name_search\n");
53 return ldb_next_search_bytree(module, base, scope, tree, attrs, res);
56 static struct ldb_message_element *rdn_name_find_attribute(const struct ldb_message *msg, const char *name)
60 for (i = 0; i < msg->num_elements; i++) {
61 if (ldb_attr_cmp(name, msg->elements[i].name) == 0) {
62 return &msg->elements[i];
69 /* add_record: add crateTimestamp/modifyTimestamp attributes */
70 static int rdn_name_add_record(struct ldb_module *module, const struct ldb_message *msg)
72 struct ldb_message *msg2;
73 struct ldb_message_element *attribute;
74 struct ldb_dn_component *rdn;
77 ldb_debug(module->ldb, LDB_DEBUG_TRACE, "rdn_name_add_record\n");
79 /* do not manipulate our control entries */
80 if (ldb_dn_is_special(msg->dn)) {
81 return ldb_next_add_record(module, msg);
84 /* Perhaps someone above us knows better */
85 if ((attribute = rdn_name_find_attribute(msg, "name")) != NULL ) {
86 return ldb_next_add_record(module, msg);
89 msg2 = talloc(module, struct ldb_message);
95 msg2->num_elements = msg->num_elements;
96 msg2->private_data = msg->private_data;
97 msg2->elements = talloc_array(msg2, struct ldb_message_element, msg2->num_elements);
98 for (i = 0; i < msg2->num_elements; i++) {
99 msg2->elements[i] = msg->elements[i];
102 rdn = ldb_dn_get_rdn(msg2, msg2->dn);
108 if (ldb_msg_add_value(module->ldb, msg2, "name", &rdn->value) != 0) {
113 attribute = rdn_name_find_attribute(msg2, rdn->name);
116 if (ldb_msg_add_value(module->ldb, msg2, rdn->name, &rdn->value) != 0) {
121 const struct ldb_attrib_handler *handler
122 = ldb_attrib_handler(module->ldb, rdn->name);
123 for (i=0; i < attribute->num_values; i++) {
124 if (handler->comparison_fn(module->ldb, msg2, &rdn->value, &attribute->values[i]) == 0) {
125 /* overwrite so it matches in case */
126 attribute->values[i] = rdn->value;
130 if (i == attribute->num_values) {
131 char *error_string = talloc_asprintf(module, "RDN mismatch on %s: %s", ldb_dn_linearize(msg2, msg2->dn), rdn->name);
133 ldb_set_errstring(module, error_string);
134 ldb_debug(module->ldb, LDB_DEBUG_FATAL, "%s\n", error_string);
141 ret = ldb_next_add_record(module, msg2);
147 /* modify_record: change modifyTimestamp as well */
148 static int rdn_name_modify_record(struct ldb_module *module, const struct ldb_message *msg)
150 struct ldb_message *msg2;
151 struct ldb_message_element *attribute;
152 struct ldb_dn_component *rdn;
155 ldb_debug(module->ldb, LDB_DEBUG_TRACE, "rdn_name_modify_record\n");
157 /* do not manipulate our control entries */
158 if (ldb_dn_is_special(msg->dn)) {
159 return ldb_next_modify_record(module, msg);
162 /* Perhaps someone above us knows better */
163 if ((attribute = rdn_name_find_attribute(msg, "name")) != NULL ) {
164 return ldb_next_modify_record(module, msg);
167 msg2 = talloc(module, struct ldb_message);
173 msg2->num_elements = msg->num_elements;
174 msg2->private_data = msg->private_data;
175 msg2->elements = talloc_array(msg2, struct ldb_message_element, msg2->num_elements);
176 for (i = 0; i < msg2->num_elements; i++) {
177 msg2->elements[i] = msg->elements[i];
180 rdn = ldb_dn_get_rdn(msg2, msg2->dn);
186 if (ldb_msg_add_value(module->ldb, msg2, "name", &rdn->value) != 0) {
191 attribute = rdn_name_find_attribute(msg2, "name");
197 attribute->flags = LDB_FLAG_MOD_REPLACE;
199 ret = ldb_next_modify_record(module, msg2);
205 static int rdn_name_delete_record(struct ldb_module *module, const struct ldb_dn *dn)
207 ldb_debug(module->ldb, LDB_DEBUG_TRACE, "rdn_name_delete_record\n");
208 return ldb_next_delete_record(module, dn);
211 static int rdn_name_rename_record(struct ldb_module *module, const struct ldb_dn *olddn, const struct ldb_dn *newdn)
213 ldb_debug(module->ldb, LDB_DEBUG_TRACE, "rdn_name_rename_record\n");
214 return ldb_next_rename_record(module, olddn, newdn);
217 static int rdn_start_trans(struct ldb_module *module)
219 ldb_debug(module->ldb, LDB_DEBUG_TRACE, "rdn_start_trans\n");
220 return ldb_next_start_trans(module);
223 static int rdn_end_trans(struct ldb_module *module)
225 ldb_debug(module->ldb, LDB_DEBUG_TRACE, "rdn_end_trans\n");
226 return ldb_next_end_trans(module);
229 static int rdn_del_trans(struct ldb_module *module)
231 ldb_debug(module->ldb, LDB_DEBUG_TRACE, "rdn_del_trans\n");
232 return ldb_next_del_trans(module);
235 static int rdn_name_destructor(void *module_ctx)
237 /* struct ldb_module *ctx = module_ctx; */
238 /* put your clean-up functions here */
242 static const struct ldb_module_ops rdn_name_ops = {
244 .search = rdn_name_search,
245 .search_bytree = rdn_name_search_bytree,
246 .add_record = rdn_name_add_record,
247 .modify_record = rdn_name_modify_record,
248 .delete_record = rdn_name_delete_record,
249 .rename_record = rdn_name_rename_record,
250 .start_transaction = rdn_start_trans,
251 .end_transaction = rdn_end_trans,
252 .del_transaction = rdn_del_trans
256 /* the init function */
257 #ifdef HAVE_DLOPEN_DISABLED
258 struct ldb_module *init_module(struct ldb_context *ldb, const char *options[])
260 struct ldb_module *rdn_name_module_init(struct ldb_context *ldb, const char *options[])
263 struct ldb_module *ctx;
265 ctx = talloc(ldb, struct ldb_module);
269 ctx->private_data = NULL;
271 ctx->prev = ctx->next = NULL;
272 ctx->ops = &rdn_name_ops;
274 talloc_set_destructor (ctx, rdn_name_destructor);