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Copyright (C) Simo Sorce 2008
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** NOTE! The following LGPL license applies to the ldb
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** library. This does NOT imply that all of Samba is released
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 3 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, see <http://www.gnu.org/licenses/>.
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* Component: ldb module header
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* Description: defines ldb modules structures and helpers
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#ifndef _LDB_MODULE_H_
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#define _LDB_MODULE_H_
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these function pointers define the operations that a ldb module can intercept
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struct ldb_module_ops {
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int (*init_context) (struct ldb_module *);
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int (*search)(struct ldb_module *, struct ldb_request *); /* search */
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int (*add)(struct ldb_module *, struct ldb_request *); /* add */
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int (*modify)(struct ldb_module *, struct ldb_request *); /* modify */
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int (*del)(struct ldb_module *, struct ldb_request *); /* delete */
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int (*rename)(struct ldb_module *, struct ldb_request *); /* rename */
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int (*request)(struct ldb_module *, struct ldb_request *); /* match any other operation */
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int (*extended)(struct ldb_module *, struct ldb_request *); /* extended operations */
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int (*start_transaction)(struct ldb_module *);
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int (*end_transaction)(struct ldb_module *);
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int (*del_transaction)(struct ldb_module *);
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int (*sequence_number)(struct ldb_module *, struct ldb_request *);
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/* The following definitions come from lib/ldb/common/ldb_debug.c */
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void ldb_debug(struct ldb_context *ldb, enum ldb_debug_level level, const char *fmt, ...) PRINTF_ATTRIBUTE(3, 4);
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void ldb_debug_set(struct ldb_context *ldb, enum ldb_debug_level level,
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const char *fmt, ...) PRINTF_ATTRIBUTE(3, 4);
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#define ldb_oom(ldb) ldb_debug_set(ldb, LDB_DEBUG_FATAL, "ldb out of memory at %s:%d\n", __FILE__, __LINE__)
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/* The following definitions come from lib/ldb/common/ldb.c */
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void ldb_request_set_state(struct ldb_request *req, int state);
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int ldb_request_get_status(struct ldb_request *req);
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unsigned int ldb_get_create_perms(struct ldb_context *ldb);
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const struct ldb_schema_syntax *ldb_standard_syntax_by_name(struct ldb_context *ldb,
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/* The following definitions come from lib/ldb/common/ldb_attributes.c */
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int ldb_schema_attribute_add_with_syntax(struct ldb_context *ldb,
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const struct ldb_schema_syntax *syntax);
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int ldb_schema_attribute_add(struct ldb_context *ldb,
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void ldb_schema_attribute_remove(struct ldb_context *ldb, const char *name);
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/* The following definitions come from lib/ldb/common/ldb_controls.c */
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struct ldb_control *get_control_from_list(struct ldb_control **controls, const char *oid);
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int save_controls(struct ldb_control *exclude, struct ldb_request *req, struct ldb_control ***saver);
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int check_critical_controls(struct ldb_control **controls);
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/* The following definitions come from lib/ldb/common/ldb_ldif.c */
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int ldb_should_b64_encode(const struct ldb_val *val);
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/* The following definitions come from lib/ldb/common/ldb_match.c */
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int ldb_match_msg(struct ldb_context *ldb,
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const struct ldb_message *msg,
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const struct ldb_parse_tree *tree,
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enum ldb_scope scope);
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/* The following definitions come from lib/ldb/common/ldb_modules.c */
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struct ldb_module *ldb_module_new(TALLOC_CTX *memctx,
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struct ldb_context *ldb,
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const char *module_name,
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const struct ldb_module_ops *ops);
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const char * ldb_module_get_name(struct ldb_module *module);
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struct ldb_context *ldb_module_get_ctx(struct ldb_module *module);
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void *ldb_module_get_private(struct ldb_module *module);
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void ldb_module_set_private(struct ldb_module *module, void *private_data);
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int ldb_next_request(struct ldb_module *module, struct ldb_request *request);
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int ldb_next_start_trans(struct ldb_module *module);
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int ldb_next_end_trans(struct ldb_module *module);
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int ldb_next_del_trans(struct ldb_module *module);
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int ldb_next_init(struct ldb_module *module);
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void ldb_set_errstring(struct ldb_context *ldb, const char *err_string);
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void ldb_asprintf_errstring(struct ldb_context *ldb, const char *format, ...) PRINTF_ATTRIBUTE(2,3);
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void ldb_reset_err_string(struct ldb_context *ldb);
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const char *ldb_default_modules_dir(void);
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int ldb_register_module(const struct ldb_module_ops *);
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typedef int (*ldb_connect_fn)(struct ldb_context *ldb, const char *url,
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unsigned int flags, const char *options[],
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struct ldb_module **module);
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struct ldb_backend_ops {
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ldb_connect_fn connect_fn;
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const char *ldb_default_modules_dir(void);
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int ldb_register_backend(const char *url_prefix, ldb_connect_fn);
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struct ldb_handle *ldb_handle_new(TALLOC_CTX *mem_ctx, struct ldb_context *ldb);
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int ldb_module_send_entry(struct ldb_request *req,
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struct ldb_message *msg,
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struct ldb_control **ctrls);
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int ldb_module_send_referral(struct ldb_request *req,
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int ldb_module_done(struct ldb_request *req,
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struct ldb_control **ctrls,
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struct ldb_extended *response,
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int ldb_mod_register_control(struct ldb_module *module, const char *oid);