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/*
ldb database library
Copyright (C) Andrew Tridgell 2004
Copyright (C) Stefan Metzmacher 2004
** NOTE! The following LGPL license applies to the ldb
** library. This does NOT imply that all of Samba is released
** under the LGPL
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
* Name: ldb
*
* Component: ldb private header
*
* Description: defines internal ldb structures used by th esubsystem and modules
*
* Author: Andrew Tridgell
* Author: Stefan Metzmacher
*/
#ifndef _LDB_PRIVATE_H_
#define _LDB_PRIVATE_H_ 1
struct ldb_context;
struct ldb_module_ops;
/* basic module structure */
struct ldb_module {
struct ldb_module *prev, *next;
struct ldb_context *ldb;
void *private_data;
const struct ldb_module_ops *ops;
};
/*
these function pointers define the operations that a ldb module must perform
they correspond exactly to the ldb_*() interface
*/
struct ldb_module_ops {
const char *name;
int (*close)(struct ldb_module *);
int (*search)(struct ldb_module *, const char *, enum ldb_scope,
const char *, const char * const [], struct ldb_message ***);
int (*search_free)(struct ldb_module *, struct ldb_message **);
int (*add_record)(struct ldb_module *, const struct ldb_message *);
int (*modify_record)(struct ldb_module *, const struct ldb_message *);
int (*delete_record)(struct ldb_module *, const char *);
int (*rename_record)(struct ldb_module *, const char *, const char *);
int (*named_lock)(struct ldb_module *, const char *);
int (*named_unlock)(struct ldb_module *, const char *);
const char * (*errstring)(struct ldb_module *);
/* this is called when the alloc ops changes to ensure we
don't have any old allocated data in the context */
void (*cache_free)(struct ldb_module *);
};
/* the modules init function */
typedef struct ldb_module *(*ldb_module_init_function)(void);
/*
every ldb connection is started by establishing a ldb_context
*/
struct ldb_context {
/* the operations provided by the backend */
struct ldb_module *modules;
/* memory allocation info */
struct ldb_alloc_ops alloc_ops;
/* memory allocation info */
struct ldb_debug_ops debug_ops;
};
/* The following definitions come from lib/ldb/common/ldb_modules.c */
int ldb_load_modules(struct ldb_context *ldb, const char *options[]);
int ldb_next_close(struct ldb_module *module);
int ldb_next_search(struct ldb_module *module,
const char *base,
enum ldb_scope scope,
const char *expression,
const char * const *attrs, struct ldb_message ***res);
int ldb_next_search_free(struct ldb_module *module, struct ldb_message **msg);
int ldb_next_add_record(struct ldb_module *module, const struct ldb_message *message);
int ldb_next_modify_record(struct ldb_module *module, const struct ldb_message *message);
int ldb_next_delete_record(struct ldb_module *module, const char *dn);
int ldb_next_rename_record(struct ldb_module *module, const char *olddn, const char *newdn);
int ldb_next_named_lock(struct ldb_module *module, const char *lockname);
int ldb_next_named_unlock(struct ldb_module *module, const char *lockname);
const char *ldb_next_errstring(struct ldb_module *module);
void ldb_next_cache_free(struct ldb_module *module);
/* The following definitions come from lib/ldb/common/util.c */
int ldb_list_find(const void *needle,
const void *base, size_t nmemb, size_t size, comparison_fn_t comp_fn);
/* The following definitions come from lib/ldb/common/ldb_debug.c */
void ldb_debug(struct ldb_context *ldb, enum ldb_debug_level level, const char *fmt, ...) PRINTF_ATTRIBUTE(3, 4);
/* The following definitions come from lib/ldb/common/ldb_ldif.c */
char *ldb_base64_encode(struct ldb_context *ldb, const char *buf, int len);
int ldb_should_b64_encode(const struct ldb_val *val);
struct ldb_context *ltdb_connect(const char *url,
unsigned int flags,
const char *options[]);
struct ldb_context *lldb_connect(const char *url,
unsigned int flags,
const char *options[]);
struct ldb_module *timestamps_module_init(struct ldb_context *ldb, const char *options[]);
const char **ldb_options_parse(const char **options, int *ldbopts, const char *arg);
#endif
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