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/*
ldb database library
Copyright (C) Andrew Tridgell 2004
Copyright (C) Stefan Metzmacher 2004
Copyright (C) Simo Sorce 2004-2005
** 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 (*search)(struct ldb_module *, const struct ldb_dn *, enum ldb_scope,
const char *, const char * const [], struct ldb_message ***);
int (*search_bytree)(struct ldb_module *, const struct ldb_dn *, enum ldb_scope,
struct ldb_parse_tree *, const char * const [], 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 struct ldb_dn *);
int (*rename_record)(struct ldb_module *, const struct ldb_dn *, const struct ldb_dn *);
int (*start_transaction)(struct ldb_module *);
int (*end_transaction)(struct ldb_module *);
int (*del_transaction)(struct ldb_module *);
};
/*
schema related information needed for matching rules
*/
struct ldb_schema {
/* attribute handling table */
unsigned num_attrib_handlers;
struct ldb_attrib_handler *attrib_handlers;
/* objectclass information */
unsigned num_classes;
struct ldb_subclass {
char *name;
char **subclasses;
} *classes;
};
/*
every ldb connection is started by establishing a ldb_context
*/
struct ldb_context {
/* the operations provided by the backend */
struct ldb_module *modules;
/* debugging operations */
struct ldb_debug_ops debug_ops;
/* backend specific opaque parameters */
struct ldb_opaque {
struct ldb_opaque *next;
const char *name;
void *value;
} *opaque;
struct ldb_schema schema;
char *err_string;
int transaction_active;
};
/* the modules init function */
typedef struct ldb_module *(*ldb_module_init_function)(struct ldb_context *ldb, const char *options[]);
#ifndef ARRAY_SIZE
#define ARRAY_SIZE(a) (sizeof(a)/sizeof(a[0]))
#endif
/*
simplify out of memory handling
*/
#define ldb_oom(ldb) ldb_debug(ldb, LDB_DEBUG_FATAL, "ldb out of memory at %s:%d\n", __FILE__, __LINE__)
/* 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_search(struct ldb_module *module,
const struct ldb_dn *base,
enum ldb_scope scope,
const char *expression,
const char * const *attrs, struct ldb_message ***res);
int ldb_next_search_bytree(struct ldb_module *module,
const struct ldb_dn *base,
enum ldb_scope scope,
struct ldb_parse_tree *tree,
const char * const *attrs, struct ldb_message ***res);
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 struct ldb_dn *dn);
int ldb_next_rename_record(struct ldb_module *module, const struct ldb_dn *olddn, const struct ldb_dn *newdn);
int ldb_next_start_trans(struct ldb_module *module);
int ldb_next_end_trans(struct ldb_module *module);
int ldb_next_del_trans(struct ldb_module *module);
void ldb_set_errstring(struct ldb_module *module, char *err_string);
/* 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 */
int ldb_should_b64_encode(const struct ldb_val *val);
int ltdb_connect(struct ldb_context *ldb, const char *url,
unsigned int flags,
const char *options[]);
int lldb_connect(struct ldb_context *ldb, const char *url,
unsigned int flags,
const char *options[]);
int ildb_connect(struct ldb_context *ldb,
const char *url,
unsigned int flags,
const char *options[]);
int lsqlite3_connect(struct ldb_context *ldb,
const char *url,
unsigned int flags,
const char *options[]);
struct ldb_module *timestamps_module_init(struct ldb_context *ldb, const char *options[]);
struct ldb_module *schema_module_init(struct ldb_context *ldb, const char *options[]);
struct ldb_module *rdn_name_module_init(struct ldb_context *ldb, const char *options[]);
int ldb_match_msg(struct ldb_context *ldb,
struct ldb_message *msg,
struct ldb_parse_tree *tree,
const struct ldb_dn *base,
enum ldb_scope scope);
void ldb_remove_attrib_handler(struct ldb_context *ldb, const char *attrib);
const struct ldb_attrib_handler *ldb_attrib_handler_syntax(struct ldb_context *ldb,
const char *syntax);
int ldb_set_attrib_handlers(struct ldb_context *ldb,
const struct ldb_attrib_handler *handlers,
unsigned num_handlers);
int ldb_setup_wellknown_attributes(struct ldb_context *ldb);
/* The following definitions come from lib/ldb/common/ldb_attributes.c */
const char **ldb_subclass_list(struct ldb_context *ldb, const char *class);
void ldb_subclass_remove(struct ldb_context *ldb, const char *class);
int ldb_subclass_add(struct ldb_context *ldb, const char *class, const char *subclass);
int ldb_handler_copy(struct ldb_context *ldb, void *mem_ctx,
const struct ldb_val *in, struct ldb_val *out);
int ldb_comparison_binary(struct ldb_context *ldb, void *mem_ctx,
const struct ldb_val *v1, const struct ldb_val *v2);
#endif
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