4 Copyright (C) Simo Sorce 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 module header
29 * Description: defines ldb modules structures and helpers
33 #ifndef _LDB_MODULE_H_
34 #define _LDB_MODULE_H_
42 these function pointers define the operations that a ldb module can intercept
44 struct ldb_module_ops {
46 int (*init_context) (struct ldb_module *);
47 int (*search)(struct ldb_module *, struct ldb_request *); /* search */
48 int (*add)(struct ldb_module *, struct ldb_request *); /* add */
49 int (*modify)(struct ldb_module *, struct ldb_request *); /* modify */
50 int (*del)(struct ldb_module *, struct ldb_request *); /* delete */
51 int (*rename)(struct ldb_module *, struct ldb_request *); /* rename */
52 int (*request)(struct ldb_module *, struct ldb_request *); /* match any other operation */
53 int (*extended)(struct ldb_module *, struct ldb_request *); /* extended operations */
54 int (*start_transaction)(struct ldb_module *);
55 int (*prepare_commit)(struct ldb_module *);
56 int (*end_transaction)(struct ldb_module *);
57 int (*del_transaction)(struct ldb_module *);
58 int (*sequence_number)(struct ldb_module *, struct ldb_request *);
63 /* The following definitions come from lib/ldb/common/ldb_debug.c */
64 void ldb_debug(struct ldb_context *ldb, enum ldb_debug_level level, const char *fmt, ...) PRINTF_ATTRIBUTE(3, 4);
65 void ldb_debug_set(struct ldb_context *ldb, enum ldb_debug_level level,
66 const char *fmt, ...) PRINTF_ATTRIBUTE(3, 4);
67 void ldb_debug_add(struct ldb_context *ldb, const char *fmt, ...) PRINTF_ATTRIBUTE(2, 3);
68 void ldb_debug_end(struct ldb_context *ldb, enum ldb_debug_level level);
70 #define ldb_oom(ldb) ldb_debug_set(ldb, LDB_DEBUG_FATAL, "ldb out of memory at %s:%d\n", __FILE__, __LINE__)
72 /* The following definitions come from lib/ldb/common/ldb.c */
74 void ldb_request_set_state(struct ldb_request *req, int state);
75 int ldb_request_get_status(struct ldb_request *req);
77 unsigned int ldb_get_create_perms(struct ldb_context *ldb);
79 const struct ldb_schema_syntax *ldb_standard_syntax_by_name(struct ldb_context *ldb,
82 /* The following definitions come from lib/ldb/common/ldb_attributes.c */
84 int ldb_schema_attribute_add_with_syntax(struct ldb_context *ldb,
87 const struct ldb_schema_syntax *syntax);
88 int ldb_schema_attribute_add(struct ldb_context *ldb,
92 void ldb_schema_attribute_remove(struct ldb_context *ldb, const char *name);
94 /* we allow external code to override the name -> schema_attribute function */
95 typedef const struct ldb_schema_attribute *(*ldb_attribute_handler_override_fn_t)(struct ldb_context *, void *, const char *);
97 void ldb_schema_attribute_set_override_handler(struct ldb_context *ldb,
98 ldb_attribute_handler_override_fn_t override,
101 /* The following definitions come from lib/ldb/common/ldb_controls.c */
102 struct ldb_control *get_control_from_list(struct ldb_control **controls, const char *oid);
103 int save_controls(struct ldb_control *exclude, struct ldb_request *req, struct ldb_control ***saver);
104 /* Returns a list of controls, except the one specified. Included
105 * controls become a child of returned list if they were children of
107 struct ldb_control **controls_except_specified(struct ldb_control **controls_in,
109 struct ldb_control *exclude);
110 int check_critical_controls(struct ldb_control **controls);
112 /* The following definitions come from lib/ldb/common/ldb_ldif.c */
113 int ldb_should_b64_encode(struct ldb_context *ldb, const struct ldb_val *val);
115 /* The following definitions come from lib/ldb/common/ldb_match.c */
116 int ldb_match_msg(struct ldb_context *ldb,
117 const struct ldb_message *msg,
118 const struct ldb_parse_tree *tree,
120 enum ldb_scope scope);
122 /* The following definitions come from lib/ldb/common/ldb_modules.c */
124 struct ldb_module *ldb_module_new(TALLOC_CTX *memctx,
125 struct ldb_context *ldb,
126 const char *module_name,
127 const struct ldb_module_ops *ops);
129 const char * ldb_module_get_name(struct ldb_module *module);
130 struct ldb_context *ldb_module_get_ctx(struct ldb_module *module);
131 void *ldb_module_get_private(struct ldb_module *module);
132 void ldb_module_set_private(struct ldb_module *module, void *private_data);
134 int ldb_next_request(struct ldb_module *module, struct ldb_request *request);
135 int ldb_next_start_trans(struct ldb_module *module);
136 int ldb_next_end_trans(struct ldb_module *module);
137 int ldb_next_del_trans(struct ldb_module *module);
138 int ldb_next_prepare_commit(struct ldb_module *module);
139 int ldb_next_init(struct ldb_module *module);
141 void ldb_set_errstring(struct ldb_context *ldb, const char *err_string);
142 void ldb_asprintf_errstring(struct ldb_context *ldb, const char *format, ...) PRINTF_ATTRIBUTE(2,3);
143 void ldb_reset_err_string(struct ldb_context *ldb);
145 const char *ldb_default_modules_dir(void);
147 int ldb_register_module(const struct ldb_module_ops *);
149 typedef int (*ldb_connect_fn)(struct ldb_context *ldb, const char *url,
150 unsigned int flags, const char *options[],
151 struct ldb_module **module);
153 struct ldb_backend_ops {
155 ldb_connect_fn connect_fn;
158 const char *ldb_default_modules_dir(void);
160 int ldb_register_backend(const char *url_prefix, ldb_connect_fn);
162 struct ldb_handle *ldb_handle_new(TALLOC_CTX *mem_ctx, struct ldb_context *ldb);
164 int ldb_module_send_entry(struct ldb_request *req,
165 struct ldb_message *msg,
166 struct ldb_control **ctrls);
168 int ldb_module_send_referral(struct ldb_request *req,
171 int ldb_module_done(struct ldb_request *req,
172 struct ldb_control **ctrls,
173 struct ldb_extended *response,
176 int ldb_mod_register_control(struct ldb_module *module, const char *oid);
178 void ldb_set_default_dns(struct ldb_context *ldb);
180 Add a ldb_control to a ldb_reply
182 \param ares the reply struct where to add the control
183 \param oid the object identifier of the control as string
184 \param critical whether the control should be critical or not
185 \param data a talloc pointer to the control specific data
187 \return result code (LDB_SUCCESS on success, or a failure code)
189 int ldb_reply_add_control(struct ldb_reply *ares, const char *oid, bool critical, void *data);