diff options
| -rw-r--r-- | source4/dsdb/samdb/ldb_modules/schema_fsmo.c | 60 | ||||
| -rw-r--r-- | source4/dsdb/schema/schema_init.c | 23 |
2 files changed, 82 insertions, 1 deletions
diff --git a/source4/dsdb/samdb/ldb_modules/schema_fsmo.c b/source4/dsdb/samdb/ldb_modules/schema_fsmo.c index 0fcda0a430..01108605ec 100644 --- a/source4/dsdb/samdb/ldb_modules/schema_fsmo.c +++ b/source4/dsdb/samdb/ldb_modules/schema_fsmo.c @@ -241,7 +241,65 @@ static int schema_fsmo_init(struct ldb_module *module) return ldb_next_init(module); } +static int schema_fsmo_add(struct ldb_module *module, struct ldb_request *req) +{ + struct dsdb_schema *schema; + const char *attributeID = NULL; + const char *governsID = NULL; + const char *oid_attr = NULL; + const char *oid = NULL; + uint32_t id32; + WERROR status; + + schema = dsdb_get_schema(module->ldb); + if (!schema) { + return ldb_next_request(module, req); + } + + if (!schema->fsmo.we_are_master) { + ldb_debug_set(module->ldb, LDB_DEBUG_ERROR, + "schema_fsmo_add: we are not master: reject request\n"); + return LDB_ERR_UNWILLING_TO_PERFORM; + } + + attributeID = samdb_result_string(req->op.add.message, "attributeID", NULL); + governsID = samdb_result_string(req->op.add.message, "governsID", NULL); + + if (attributeID) { + oid_attr = "attributeID"; + oid = attributeID; + } else if (governsID) { + oid_attr = "governsID"; + oid = governsID; + } + + if (!oid) { + return ldb_next_request(module, req); + } + + status = dsdb_map_oid2int(schema, oid, &id32); + if (W_ERROR_IS_OK(status)) { + return ldb_next_request(module, req); + } else if (!W_ERROR_EQUAL(WERR_DS_NO_MSDS_INTID, status)) { + ldb_debug_set(module->ldb, LDB_DEBUG_ERROR, + "schema_fsmo_add: failed to map %s[%s]: %s\n", + oid_attr, oid, win_errstr(status)); + return LDB_ERR_UNWILLING_TO_PERFORM; + } + + status = dsdb_create_prefix_mapping(module->ldb, schema, oid); + if (!W_ERROR_IS_OK(status)) { + ldb_debug_set(module->ldb, LDB_DEBUG_ERROR, + "schema_fsmo_add: failed to create prefix mapping for %s[%s]: %s\n", + oid_attr, oid, win_errstr(status)); + return LDB_ERR_UNWILLING_TO_PERFORM; + } + + return ldb_next_request(module, req); +} + _PUBLIC_ const struct ldb_module_ops ldb_schema_fsmo_module_ops = { .name = "schema_fsmo", - .init_context = schema_fsmo_init + .init_context = schema_fsmo_init, + .add = schema_fsmo_add }; diff --git a/source4/dsdb/schema/schema_init.c b/source4/dsdb/schema/schema_init.c index 6f8958dab8..9c70e9b7c8 100644 --- a/source4/dsdb/schema/schema_init.c +++ b/source4/dsdb/schema/schema_init.c @@ -334,6 +334,29 @@ WERROR dsdb_map_int2oid(const struct dsdb_schema *schema, uint32_t in, TALLOC_CT return WERR_DS_NO_MSDS_INTID; } +/* + * this function is called from within a ldb transaction from the schema_fsmo module + */ +WERROR dsdb_create_prefix_mapping(struct ldb_context *ldb, struct dsdb_schema *schema, const char *full_oid) +{ + /* + * TODO: + * - (maybe) read the old prefixMap attribute and parse it + * + * - recheck the prefix doesn't exist (because the ldb + * has maybe a more uptodate value than schem->prefixes + * + * - calculate a new mapping for the oid prefix of full_oid + * - store the new prefixMap attribute + * + * - (maybe) update schema->prefixes + * or + * - better find a way to indicate a schema reload, + * so that other processes also notice the schema change + */ + return WERR_NOT_SUPPORTED; +} + #define GET_STRING_LDB(msg, attr, mem_ctx, p, elem, strict) do { \ (p)->elem = samdb_result_string(msg, attr, NULL);\ if (strict && (p)->elem == NULL) { \ |