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https://github.com/samba-team/samba.git
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cc26fe9b74
* Change license to LGPL, so it can be used by non-Samba users of LDB (cleared with Martin as well). * Include ldb_map in standalone build. * Move ldb_map to its own directory (This used to be commit a90202abca26c0da5425a2f3dd8494077c3290fd)
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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