lib/ldb/ldb_map/ldb_map_private.h

   1 #include "replace.h"
   2 #include "system/filesys.h"
   3 #include "system/time.h"
   4
   5 /* A handy macro to report Out of Memory conditions */
   6 #define map_oom(module) ldb_set_errstring(ldb_module_get_ctx(module), talloc_asprintf(module, "Out of Memory"));
   7
   8 /* The type of search callback functions */
   9 typedef int (*ldb_map_callback_t)(struct ldb_request *, struct ldb_reply *);
  10
  11 /* The special DN from which the local and remote base DNs are fetched */
  12 #define MAP_DN_NAME     "@MAP"
  13 #define MAP_DN_FROM     "@FROM"
  14 #define MAP_DN_TO       "@TO"
  15
  16 /* Private data structures
  17  * ======================= */
  18
  19 struct map_reply {
  20         struct map_reply *next;
  21         struct ldb_reply *remote;
  22         struct ldb_reply *local;
  23 };
  24
  25 /* Context data for mapped requests */
  26 struct map_context {
  27
  28         struct ldb_module *module;
  29         struct ldb_request *req;
  30
  31         struct ldb_dn *local_dn;
  32         const struct ldb_parse_tree *local_tree;
  33         const char * const *local_attrs;
  34         const char * const *remote_attrs;
  35         const char * const *all_attrs;
  36
  37         struct ldb_message *local_msg;
  38         struct ldb_request *remote_req;
  39
  40         struct map_reply *r_list;
  41         struct map_reply *r_current;
  42
  43         /* The response continaing any controls the remote server gave */
  44         struct ldb_reply *remote_done_ares;
  45 };
  46
  47 /* Common operations
  48  * ================= */
  49
  50 /* The following definitions come from lib/ldb/modules/ldb_map.c */
  51 const struct ldb_map_context *map_get_context(struct ldb_module *module);
  52 struct map_context *map_init_context(struct ldb_module *module,
  53                                         struct ldb_request *req);
  54
  55 int ldb_next_remote_request(struct ldb_module *module, struct ldb_request *request);
  56
  57 bool map_check_local_db(struct ldb_module *module);
  58 bool map_attr_check_remote(const struct ldb_map_context *data, const char *attr);
  59 bool ldb_dn_check_local(struct ldb_module *module, struct ldb_dn *dn);
  60
  61 const struct ldb_map_attribute *map_attr_find_local(const struct ldb_map_context *data, const char *name);
  62 const struct ldb_map_attribute *map_attr_find_remote(const struct ldb_map_context *data, const char *name);
  63
  64 const char *map_attr_map_local(void *mem_ctx, const struct ldb_map_attribute *map, const char *attr);
  65 const char *map_attr_map_remote(void *mem_ctx, const struct ldb_map_attribute *map, const char *attr);
  66 int map_attrs_merge(struct ldb_module *module, void *mem_ctx, const char ***attrs, const char * const *more_attrs);
  67
  68 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);
  69 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);
  70
  71 struct ldb_dn *ldb_dn_map_local(struct ldb_module *module, void *mem_ctx, struct ldb_dn *dn);
  72 struct ldb_dn *ldb_dn_map_remote(struct ldb_module *module, void *mem_ctx, struct ldb_dn *dn);
  73 struct ldb_dn *ldb_dn_map_rebase_remote(struct ldb_module *module, void *mem_ctx, struct ldb_dn *dn);
  74
  75 struct ldb_request *map_search_base_req(struct map_context *ac,
  76                                         struct ldb_dn *dn,
  77                                         const char * const *attrs,
  78                                         const struct ldb_parse_tree *tree,
  79                                         void *context,
  80                                         ldb_map_callback_t callback);
  81 struct ldb_request *map_build_fixup_req(struct map_context *ac,
  82                                         struct ldb_dn *olddn,
  83                                         struct ldb_dn *newdn,
  84                                         void *context,
  85                                         ldb_map_callback_t callback);
  86 int map_subtree_collect_remote_simple(struct ldb_module *module, void *mem_ctx,
  87                                         struct ldb_parse_tree **new,
  88                                         const struct ldb_parse_tree *tree,
  89                                         const struct ldb_map_attribute *map);
  90 int map_return_fatal_error(struct ldb_request *req,
  91                            struct ldb_reply *ares);
  92 int map_return_normal_error(struct ldb_request *req,
  93                             struct ldb_reply *ares,
  94                             int error);
  95
  96 int map_return_entry(struct map_context *ac, struct ldb_reply *ares);