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/* A handy macro to report Out of Memory conditions */
#define map_oom(module) ldb_set_errstring(module->ldb, talloc_asprintf(module, "Out of Memory"));
/* The type of search callback functions */
typedef int (*ldb_map_callback_t)(struct ldb_request *, struct ldb_reply *);
/* The special DN from which the local and remote base DNs are fetched */
#define MAP_DN_NAME "@MAP"
#define MAP_DN_FROM "@FROM"
#define MAP_DN_TO "@TO"
/* Private data structures
* ======================= */
struct map_reply {
struct map_reply *next;
struct ldb_reply *remote;
struct ldb_reply *local;
};
/* Context data for mapped requests */
struct map_context {
struct ldb_module *module;
struct ldb_request *req;
struct ldb_dn *local_dn;
const struct ldb_parse_tree *local_tree;
const char * const *local_attrs;
const char * const *remote_attrs;
const char * const *all_attrs;
struct ldb_message *local_msg;
struct ldb_request *remote_req;
struct map_reply *r_list;
struct map_reply *r_current;
};
/* Common operations
* ================= */
/* The following definitions come from lib/ldb/modules/ldb_map.c */
const struct ldb_map_context *map_get_context(struct ldb_module *module);
struct map_context *map_init_context(struct ldb_module *module,
struct ldb_request *req);
int ldb_next_remote_request(struct ldb_module *module, struct ldb_request *request);
bool map_check_local_db(struct ldb_module *module);
bool map_attr_check_remote(const struct ldb_map_context *data, const char *attr);
bool ldb_dn_check_local(struct ldb_module *module, struct ldb_dn *dn);
const struct ldb_map_attribute *map_attr_find_local(const struct ldb_map_context *data, const char *name);
const struct ldb_map_attribute *map_attr_find_remote(const struct ldb_map_context *data, const char *name);
const char *map_attr_map_local(void *mem_ctx, const struct ldb_map_attribute *map, const char *attr);
const char *map_attr_map_remote(void *mem_ctx, const struct ldb_map_attribute *map, const char *attr);
int map_attrs_merge(struct ldb_module *module, void *mem_ctx, const char ***attrs, const char * const *more_attrs);
struct ldb_val ldb_val_map_local(struct ldb_module *module, void *mem_ctx, const struct ldb_map_attribute *map, const struct ldb_val *val);
struct ldb_val ldb_val_map_remote(struct ldb_module *module, void *mem_ctx, const struct ldb_map_attribute *map, const struct ldb_val *val);
struct ldb_dn *ldb_dn_map_local(struct ldb_module *module, void *mem_ctx, struct ldb_dn *dn);
struct ldb_dn *ldb_dn_map_remote(struct ldb_module *module, void *mem_ctx, struct ldb_dn *dn);
struct ldb_dn *ldb_dn_map_rebase_remote(struct ldb_module *module, void *mem_ctx, struct ldb_dn *dn);
struct ldb_request *map_search_base_req(struct map_context *ac,
struct ldb_dn *dn,
const char * const *attrs,
const struct ldb_parse_tree *tree,
void *context,
ldb_map_callback_t callback);
struct ldb_request *map_build_fixup_req(struct map_context *ac,
struct ldb_dn *olddn,
struct ldb_dn *newdn,
void *context,
ldb_map_callback_t callback);
int map_subtree_collect_remote_simple(struct ldb_module *module, void *mem_ctx,
struct ldb_parse_tree **new,
const struct ldb_parse_tree *tree,
const struct ldb_map_attribute *map);
int map_return_fatal_error(struct ldb_request *req,
struct ldb_reply *ares);
int map_return_normal_error(struct ldb_request *req,
struct ldb_reply *ares,
int error);
int map_return_entry(struct map_context *ac, struct ldb_reply *ares);
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