isc_result_t dns_db_load3(dns_db_t *db, const char *filename, dns_masterformat_t format, unsigned int options) { isc_result_t result, eresult; dns_rdatacallbacks_t callbacks; /* * Load master file 'filename' into 'db'. */ REQUIRE(DNS_DB_VALID(db)); if ((db->attributes & DNS_DBATTR_CACHE) != 0) options |= DNS_MASTER_AGETTL; dns_rdatacallbacks_init(&callbacks); result = dns_db_beginload(db, &callbacks.add, &callbacks.add_private); if (result != ISC_R_SUCCESS) return (result); result = dns_master_loadfile2(filename, &db->origin, &db->origin, db->rdclass, options, &callbacks, db->mctx, format); eresult = dns_db_endload(db, &callbacks.add_private); /* * We always call dns_db_endload(), but we only want to return its * result if dns_master_loadfile() succeeded. If dns_master_loadfile() * failed, we want to return the result code it gave us. */ if (eresult != ISC_R_SUCCESS && (result == ISC_R_SUCCESS || result == DNS_R_SEENINCLUDE)) result = eresult; return (result); }
static void db_load_from_stream(dns_db_t *db, FILE *fp) { isc_result_t result; dns_rdatacallbacks_t callbacks; dns_rdatacallbacks_init(&callbacks); result = dns_db_beginload(db, &callbacks); if (result != ISC_R_SUCCESS) fatal("dns_db_beginload failed: %s", isc_result_totext(result)); result = dns_master_loadstream(fp, name, name, rdclass, 0, &callbacks, mctx); if (result != ISC_R_SUCCESS) fatal("can't load from input: %s", isc_result_totext(result)); result = dns_db_endload(db, &callbacks); if (result != ISC_R_SUCCESS) fatal("dns_db_endload failed: %s", isc_result_totext(result)); }
isc_result_t dns_rootns_create(isc_mem_t *mctx, dns_rdataclass_t rdclass, const char *filename, dns_db_t **target) { isc_result_t result, eresult; isc_buffer_t source; unsigned int len; dns_rdatacallbacks_t callbacks; dns_db_t *db = NULL; REQUIRE(target != NULL && *target == NULL); result = dns_db_create(mctx, "rbt", dns_rootname, dns_dbtype_zone, rdclass, 0, NULL, &db); if (result != ISC_R_SUCCESS) goto failure; len = strlen(root_ns); isc_buffer_init(&source, root_ns, len); isc_buffer_add(&source, len); dns_rdatacallbacks_init(&callbacks); result = dns_db_beginload(db, &callbacks); if (result != ISC_R_SUCCESS) goto failure; if (filename != NULL) { /* * Load the hints from the specified filename. */ result = dns_master_loadfile(filename, &db->origin, &db->origin, db->rdclass, DNS_MASTER_HINT, &callbacks, db->mctx); } else if (rdclass == dns_rdataclass_in) { /* * Default to using the Internet root servers. */ result = dns_master_loadbuffer(&source, &db->origin, &db->origin, db->rdclass, DNS_MASTER_HINT, &callbacks, db->mctx); } else result = ISC_R_NOTFOUND; eresult = dns_db_endload(db, &callbacks); if (result == ISC_R_SUCCESS || result == DNS_R_SEENINCLUDE) result = eresult; if (result != ISC_R_SUCCESS && result != DNS_R_SEENINCLUDE) goto failure; if (check_hints(db) != ISC_R_SUCCESS) isc_log_write(dns_lctx, DNS_LOGCATEGORY_GENERAL, DNS_LOGMODULE_HINTS, ISC_LOG_WARNING, "extra data in root hints '%s'", (filename != NULL) ? filename : "<BUILT-IN>"); *target = db; return (ISC_R_SUCCESS); failure: isc_log_write(dns_lctx, DNS_LOGCATEGORY_GENERAL, DNS_LOGMODULE_HINTS, ISC_LOG_ERROR, "could not configure root hints from " "'%s': %s", (filename != NULL) ? filename : "<BUILT-IN>", isc_result_totext(result)); if (db != NULL) dns_db_detach(&db); return (result); }