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4889eb9f7a
This patch changes a lot of the code in ldb_dn.c, and also
removes and add a number of manipulation functions around.
The aim is to avoid validating a dn if not necessary as the
validation code is necessarily slow. This is mainly to speed up
internal operations where input is not user generated and so we
can assume the DNs need no validation. The code is designed to
keep the data as a string if possible.
The code is not yet 100% perfect, but pass all the tests so far.
A memleak is certainly present, I'll work on that next.
Simo.
(This used to be commit a580c871d3)
118 lines
4.7 KiB
C
118 lines
4.7 KiB
C
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/* A handy macro to report Out of Memory conditions */
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#define map_oom(module) ldb_set_errstring(module->ldb, talloc_asprintf(module, "Out of Memory"));
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/* The type of search callback functions */
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typedef int (*ldb_search_callback)(struct ldb_context *, void *, struct ldb_reply *);
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/* The special DN from which the local and remote base DNs are fetched */
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#define MAP_DN_NAME "@MAP"
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#define MAP_DN_FROM "@FROM"
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#define MAP_DN_TO "@TO"
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/* Private data structures
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* ======================= */
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/* Context data for mapped requests */
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struct map_context {
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enum map_step {
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MAP_SEARCH_REMOTE,
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MAP_ADD_REMOTE,
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MAP_ADD_LOCAL,
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MAP_SEARCH_SELF_MODIFY,
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MAP_MODIFY_REMOTE,
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MAP_MODIFY_LOCAL,
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MAP_SEARCH_SELF_DELETE,
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MAP_DELETE_REMOTE,
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MAP_DELETE_LOCAL,
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MAP_SEARCH_SELF_RENAME,
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MAP_RENAME_REMOTE,
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MAP_RENAME_FIXUP,
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MAP_RENAME_LOCAL
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} step;
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struct ldb_module *module;
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struct ldb_dn *local_dn;
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const struct ldb_parse_tree *local_tree;
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const char * const *local_attrs;
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const char * const *remote_attrs;
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const char * const *all_attrs;
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struct ldb_request *orig_req;
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struct ldb_request *local_req;
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struct ldb_request *remote_req;
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struct ldb_request *down_req;
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struct ldb_request *search_req;
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/* for search, we may have a lot of contexts */
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int num_searches;
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struct ldb_request **search_reqs;
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};
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/* Context data for mapped search requests */
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struct map_search_context {
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struct map_context *ac;
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struct ldb_reply *local_res;
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struct ldb_reply *remote_res;
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};
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/* Common operations
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* ================= */
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/* The following definitions come from lib/ldb/modules/ldb_map.c */
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const struct ldb_map_context *map_get_context(struct ldb_module *module);
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struct map_search_context *map_init_search_context(struct map_context *ac, struct ldb_reply *ares);
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struct ldb_handle *map_init_handle(struct ldb_request *req, struct ldb_module *module);
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int ldb_next_remote_request(struct ldb_module *module, struct ldb_request *request);
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BOOL map_check_local_db(struct ldb_module *module);
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BOOL map_attr_check_remote(const struct ldb_map_context *data, const char *attr);
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BOOL ldb_dn_check_local(struct ldb_module *module, struct ldb_dn *dn);
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const struct ldb_map_attribute *map_attr_find_local(const struct ldb_map_context *data, const char *name);
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const struct ldb_map_attribute *map_attr_find_remote(const struct ldb_map_context *data, const char *name);
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const char *map_attr_map_local(void *mem_ctx, const struct ldb_map_attribute *map, const char *attr);
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const char *map_attr_map_remote(void *mem_ctx, const struct ldb_map_attribute *map, const char *attr);
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int map_attrs_merge(struct ldb_module *module, void *mem_ctx, const char ***attrs, const char * const *more_attrs);
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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);
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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);
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struct ldb_dn *ldb_dn_map_local(struct ldb_module *module, void *mem_ctx, struct ldb_dn *dn);
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struct ldb_dn *ldb_dn_map_remote(struct ldb_module *module, void *mem_ctx, struct ldb_dn *dn);
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struct ldb_dn *ldb_dn_map_rebase_remote(struct ldb_module *module, void *mem_ctx, struct ldb_dn *dn);
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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_search_callback callback);
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struct ldb_request *map_search_self_req(struct map_context *ac, struct ldb_dn *dn);
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struct ldb_request *map_build_fixup_req(struct map_context *ac, struct ldb_dn *olddn, struct ldb_dn *newdn);
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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);
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/* LDB Requests
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* ============ */
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/* The following definitions come from lib/ldb/modules/ldb_map_inbound.c */
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int map_add_do_remote(struct ldb_handle *handle);
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int map_add_do_local(struct ldb_handle *handle);
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int map_add(struct ldb_module *module, struct ldb_request *req);
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int map_modify_do_remote(struct ldb_handle *handle);
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int map_modify_do_local(struct ldb_handle *handle);
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int map_modify(struct ldb_module *module, struct ldb_request *req);
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int map_delete_do_remote(struct ldb_handle *handle);
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int map_delete_do_local(struct ldb_handle *handle);
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int map_delete(struct ldb_module *module, struct ldb_request *req);
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int map_rename_do_remote(struct ldb_handle *handle);
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int map_rename_do_fixup(struct ldb_handle *handle);
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int map_rename_do_local(struct ldb_handle *handle);
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int map_rename(struct ldb_module *module, struct ldb_request *req);
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/* The following definitions come from lib/ldb/modules/ldb_map_outbound.c */
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int map_search(struct ldb_module *module, struct ldb_request *req);
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