4 Copyright (C) Andrew Tridgell 2004
5 Copyright (C) Stefan Metzmacher 2004
6 Copyright (C) Simo Sorce 2004-2005
8 ** NOTE! The following LGPL license applies to the ldb
9 ** library. This does NOT imply that all of Samba is released
12 This library is free software; you can redistribute it and/or
13 modify it under the terms of the GNU Lesser General Public
14 License as published by the Free Software Foundation; either
15 version 3 of the License, or (at your option) any later version.
17 This library 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 GNU
20 Lesser General Public License for more details.
22 You should have received a copy of the GNU Lesser General Public
23 License along with this library; if not, see <http://www.gnu.org/licenses/>.
29 * Component: ldb private header
31 * Description: defines internal ldb structures used by the subsystem and modules
33 * Author: Andrew Tridgell
34 * Author: Stefan Metzmacher
37 #ifndef _LDB_PRIVATE_H_
38 #define _LDB_PRIVATE_H_ 1
42 struct ldb_module_ops;
44 struct ldb_backend_ops;
49 struct ldb_context *ldb;
52 /* basic module structure */
54 struct ldb_module *prev, *next;
55 struct ldb_context *ldb;
57 const struct ldb_module_ops *ops;
61 these function pointers define the operations that a ldb module can intercept
63 struct ldb_module_ops {
65 int (*init_context) (struct ldb_module *);
66 int (*search)(struct ldb_module *, struct ldb_request *); /* search */
67 int (*add)(struct ldb_module *, struct ldb_request *); /* add */
68 int (*modify)(struct ldb_module *, struct ldb_request *); /* modify */
69 int (*del)(struct ldb_module *, struct ldb_request *); /* delete */
70 int (*rename)(struct ldb_module *, struct ldb_request *); /* rename */
71 int (*request)(struct ldb_module *, struct ldb_request *); /* match any other operation */
72 int (*extended)(struct ldb_module *, struct ldb_request *); /* extended operations */
73 int (*start_transaction)(struct ldb_module *);
74 int (*end_transaction)(struct ldb_module *);
75 int (*del_transaction)(struct ldb_module *);
76 int (*sequence_number)(struct ldb_module *, struct ldb_request *);
81 schema related information needed for matching rules
84 /* attribute handling table */
85 unsigned num_attributes;
86 struct ldb_schema_attribute *attributes;
90 every ldb connection is started by establishing a ldb_context
93 /* the operations provided by the backend */
94 struct ldb_module *modules;
96 /* debugging operations */
97 struct ldb_debug_ops debug_ops;
99 /* custom utf8 functions */
100 struct ldb_utf8_fns utf8_fns;
102 /* backend specific opaque parameters */
104 struct ldb_opaque *next;
109 struct ldb_schema schema;
113 int transaction_active;
119 unsigned int create_perms;
123 struct event_context *ev_ctx;
127 #define ARRAY_SIZE(a) (sizeof(a)/sizeof(a[0]))
131 simplify out of memory handling
133 #define ldb_oom(ldb) ldb_debug_set(ldb, LDB_DEBUG_FATAL, "ldb out of memory at %s:%d\n", __FILE__, __LINE__)
135 /* The following definitions come from lib/ldb/common/ldb.c */
137 int ldb_connect_backend(struct ldb_context *ldb, const char *url, const char *options[],
138 struct ldb_module **backend_module);
139 void ldb_set_default_dns(struct ldb_context *ldb);
141 /* The following definitions come from lib/ldb/common/ldb_debug.c */
142 void ldb_debug(struct ldb_context *ldb, enum ldb_debug_level level, const char *fmt, ...) PRINTF_ATTRIBUTE(3, 4);
143 void ldb_debug_set(struct ldb_context *ldb, enum ldb_debug_level level,
144 const char *fmt, ...) PRINTF_ATTRIBUTE(3, 4);
146 /* The following definitions come from lib/ldb/common/ldb_ldif.c */
147 int ldb_should_b64_encode(const struct ldb_val *val);
149 extern const struct ldb_module_ops ldb_objectclass_module_ops;
150 extern const struct ldb_module_ops ldb_operational_module_ops;
151 extern const struct ldb_module_ops ldb_paged_results_module_ops;
152 extern const struct ldb_module_ops ldb_rdn_name_module_ops;
153 extern const struct ldb_module_ops ldb_schema_module_ops;
154 extern const struct ldb_module_ops ldb_asq_module_ops;
155 extern const struct ldb_module_ops ldb_server_sort_module_ops;
156 extern const struct ldb_module_ops ldb_ldap_module_ops;
157 extern const struct ldb_module_ops ldb_ildap_module_ops;
158 extern const struct ldb_module_ops ldb_paged_searches_module_ops;
159 extern const struct ldb_module_ops ldb_tdb_module_ops;
160 extern const struct ldb_module_ops ldb_skel_module_ops;
161 extern const struct ldb_module_ops ldb_subtree_rename_module_ops;
162 extern const struct ldb_module_ops ldb_subtree_delete_module_ops;
163 extern const struct ldb_module_ops ldb_sqlite3_module_ops;
164 extern const struct ldb_module_ops ldb_wins_ldb_module_ops;
165 extern const struct ldb_module_ops ldb_ranged_results_module_ops;
167 extern const struct ldb_backend_ops ldb_tdb_backend_ops;
168 extern const struct ldb_backend_ops ldb_sqlite3_backend_ops;
169 extern const struct ldb_backend_ops ldb_ldap_backend_ops;
170 extern const struct ldb_backend_ops ldb_ldapi_backend_ops;
171 extern const struct ldb_backend_ops ldb_ldaps_backend_ops;
173 int ldb_match_msg(struct ldb_context *ldb,
174 const struct ldb_message *msg,
175 const struct ldb_parse_tree *tree,
177 enum ldb_scope scope);
179 const struct ldb_schema_syntax *ldb_standard_syntax_by_name(struct ldb_context *ldb,
182 /* The following definitions come from lib/ldb/common/ldb_attributes.c */
184 int ldb_schema_attribute_add_with_syntax(struct ldb_context *ldb,
187 const struct ldb_schema_syntax *syntax);
188 int ldb_schema_attribute_add(struct ldb_context *ldb,
192 void ldb_schema_attribute_remove(struct ldb_context *ldb, const char *name);
193 int ldb_setup_wellknown_attributes(struct ldb_context *ldb);
195 const char **ldb_subclass_list(struct ldb_context *ldb, const char *classname);
196 void ldb_subclass_remove(struct ldb_context *ldb, const char *classname);
197 int ldb_subclass_add(struct ldb_context *ldb, const char *classname, const char *subclass);
199 int ldb_handler_copy(struct ldb_context *ldb, void *mem_ctx,
200 const struct ldb_val *in, struct ldb_val *out);
201 int ldb_comparison_binary(struct ldb_context *ldb, void *mem_ctx,
202 const struct ldb_val *v1, const struct ldb_val *v2);
204 /* The following definitions come from lib/ldb/common/ldb_controls.c */
205 struct ldb_control *get_control_from_list(struct ldb_control **controls, const char *oid);
206 int save_controls(struct ldb_control *exclude, struct ldb_request *req, struct ldb_control ***saver);
207 int check_critical_controls(struct ldb_control **controls);
209 /* The following definitions come from lib/ldb/common/ldb_utf8.c */
210 char *ldb_casefold_default(void *context, void *mem_ctx, const char *s, size_t n);
212 void ldb_msg_remove_element(struct ldb_message *msg, struct ldb_message_element *el);
214 int ldb_msg_element_compare_name(struct ldb_message_element *el1,
215 struct ldb_message_element *el2);
216 void ldb_dump_results(struct ldb_context *ldb, struct ldb_result *result, FILE *f);
219 Obtain current/next database sequence number
221 int ldb_sequence_number(struct ldb_context *ldb, enum ldb_sequence_type type, uint64_t *seq_num);
223 #define LDB_SEQ_GLOBAL_SEQUENCE 0x01
224 #define LDB_SEQ_TIMESTAMP_SEQUENCE 0x02
227 /* MODULES specific headers -- SSS */
229 /* The following definitions come from lib/ldb/common/ldb_modules.c */
231 const char **ldb_modules_list_from_string(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, const char *string);
232 int ldb_load_modules_list(struct ldb_context *ldb, const char **module_list, struct ldb_module *backend, struct ldb_module **out);
233 int ldb_load_modules(struct ldb_context *ldb, const char *options[]);
234 int ldb_init_module_chain(struct ldb_context *ldb, struct ldb_module *module);
235 int ldb_next_request(struct ldb_module *module, struct ldb_request *request);
236 int ldb_next_start_trans(struct ldb_module *module);
237 int ldb_next_end_trans(struct ldb_module *module);
238 int ldb_next_del_trans(struct ldb_module *module);
239 int ldb_next_init(struct ldb_module *module);
241 void ldb_set_errstring(struct ldb_context *ldb, const char *err_string);
242 void ldb_asprintf_errstring(struct ldb_context *ldb, const char *format, ...) PRINTF_ATTRIBUTE(2,3);
243 void ldb_reset_err_string(struct ldb_context *ldb);
245 const char *ldb_default_modules_dir(void);
247 int ldb_register_module(const struct ldb_module_ops *);
249 typedef int (*ldb_connect_fn)(struct ldb_context *ldb, const char *url,
250 unsigned int flags, const char *options[],
251 struct ldb_module **module);
253 struct ldb_backend_ops {
255 ldb_connect_fn connect_fn;
258 const char *ldb_default_modules_dir(void);
260 int ldb_register_backend(const char *url_prefix, ldb_connect_fn);
262 void *ldb_dso_load_symbol(struct ldb_context *ldb, const char *name,
265 struct ldb_handle *ldb_handle_new(TALLOC_CTX *mem_ctx, struct ldb_context *ldb);
267 int ldb_module_send_entry(struct ldb_request *req,
268 struct ldb_message *msg);
270 int ldb_module_send_referral(struct ldb_request *req,
273 int ldb_module_done(struct ldb_request *req,
274 struct ldb_control **ctrls,
275 struct ldb_extended *response,
278 int ldb_mod_register_control(struct ldb_module *module, const char *oid);
281 struct ldb_val ldb_binary_decode(void *mem_ctx, const char *str);