/* $NetBSD: db_test.c,v 1.2 2024/02/21 22:52:49 christos Exp $ */ /* * Copyright (C) Internet Systems Consortium, Inc. ("ISC") * * SPDX-License-Identifier: MPL-2.0 * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, you can obtain one at https://mozilla.org/MPL/2.0/. * * See the COPYRIGHT file distributed with this work for additional * information regarding copyright ownership. */ #include #include /* IWYU pragma: keep */ #include #include #include #include #include #define UNIT_TESTING #include #include #include #include #include #include #include #define BUFLEN 255 #define BIGBUFLEN (64 * 1024) #define TEST_ORIGIN "test" /* * Individual unit tests */ /* test multiple calls to dns_db_getoriginnode */ ISC_RUN_TEST_IMPL(getoriginnode) { dns_db_t *db = NULL; dns_dbnode_t *node = NULL; isc_result_t result; UNUSED(state); result = dns_db_create(mctx, "rbt", dns_rootname, dns_dbtype_zone, dns_rdataclass_in, 0, NULL, &db); assert_int_equal(result, ISC_R_SUCCESS); result = dns_db_getoriginnode(db, &node); assert_int_equal(result, ISC_R_SUCCESS); dns_db_detachnode(db, &node); result = dns_db_getoriginnode(db, &node); assert_int_equal(result, ISC_R_SUCCESS); dns_db_detachnode(db, &node); dns_db_detach(&db); } /* test getservestalettl and setservestalettl */ ISC_RUN_TEST_IMPL(getsetservestalettl) { dns_db_t *db = NULL; isc_result_t result; dns_ttl_t ttl; UNUSED(state); result = dns_db_create(mctx, "rbt", dns_rootname, dns_dbtype_cache, dns_rdataclass_in, 0, NULL, &db); assert_int_equal(result, ISC_R_SUCCESS); ttl = 5000; result = dns_db_getservestalettl(db, &ttl); assert_int_equal(result, ISC_R_SUCCESS); assert_int_equal(ttl, 0); ttl = 6 * 3600; result = dns_db_setservestalettl(db, ttl); assert_int_equal(result, ISC_R_SUCCESS); ttl = 5000; result = dns_db_getservestalettl(db, &ttl); assert_int_equal(result, ISC_R_SUCCESS); assert_int_equal(ttl, 6 * 3600); dns_db_detach(&db); } /* check DNS_DBFIND_STALEOK works */ ISC_RUN_TEST_IMPL(dns_dbfind_staleok) { dns_db_t *db = NULL; dns_dbnode_t *node = NULL; dns_fixedname_t example_fixed; dns_fixedname_t found_fixed; dns_name_t *example; dns_name_t *found; dns_rdatalist_t rdatalist; dns_rdataset_t rdataset; int count; int pass; isc_result_t result; unsigned char data[] = { 0x0a, 0x00, 0x00, 0x01 }; UNUSED(state); result = dns_db_create(mctx, "rbt", dns_rootname, dns_dbtype_cache, dns_rdataclass_in, 0, NULL, &db); assert_int_equal(result, ISC_R_SUCCESS); example = dns_fixedname_initname(&example_fixed); found = dns_fixedname_initname(&found_fixed); result = dns_name_fromstring(example, "example", 0, NULL); assert_int_equal(result, ISC_R_SUCCESS); /* * Pass 0: default; no stale processing permitted. * Pass 1: stale processing for 1 second. * Pass 2: stale turned off after being on. */ for (pass = 0; pass < 3; pass++) { dns_rdata_t rdata = DNS_RDATA_INIT; /* 10.0.0.1 */ rdata.data = data; rdata.length = 4; rdata.rdclass = dns_rdataclass_in; rdata.type = dns_rdatatype_a; dns_rdatalist_init(&rdatalist); rdatalist.ttl = 2; rdatalist.type = dns_rdatatype_a; rdatalist.rdclass = dns_rdataclass_in; ISC_LIST_APPEND(rdatalist.rdata, &rdata, link); switch (pass) { case 0: /* default: stale processing off */ break; case 1: /* turn on stale processing */ result = dns_db_setservestalettl(db, 1); assert_int_equal(result, ISC_R_SUCCESS); break; case 2: /* turn off stale processing */ result = dns_db_setservestalettl(db, 0); assert_int_equal(result, ISC_R_SUCCESS); break; } dns_rdataset_init(&rdataset); result = dns_rdatalist_tordataset(&rdatalist, &rdataset); assert_int_equal(result, ISC_R_SUCCESS); result = dns_db_findnode(db, example, true, &node); assert_int_equal(result, ISC_R_SUCCESS); result = dns_db_addrdataset(db, node, NULL, 0, &rdataset, 0, NULL); assert_int_equal(result, ISC_R_SUCCESS); dns_db_detachnode(db, &node); dns_rdataset_disassociate(&rdataset); result = dns_db_find(db, example, NULL, dns_rdatatype_a, 0, 0, &node, found, &rdataset, NULL); assert_int_equal(result, ISC_R_SUCCESS); /* * May loop for up to 2 seconds performing non stale lookups. */ count = 0; do { count++; assert_in_range(count, 1, 21); /* loop sanity */ assert_int_equal(rdataset.attributes & DNS_RDATASETATTR_STALE, 0); assert_true(rdataset.ttl > 0); dns_db_detachnode(db, &node); dns_rdataset_disassociate(&rdataset); usleep(100000); /* 100 ms */ result = dns_db_find(db, example, NULL, dns_rdatatype_a, 0, 0, &node, found, &rdataset, NULL); } while (result == ISC_R_SUCCESS); assert_int_equal(result, ISC_R_NOTFOUND); /* * Check whether we can get stale data. */ result = dns_db_find(db, example, NULL, dns_rdatatype_a, DNS_DBFIND_STALEOK, 0, &node, found, &rdataset, NULL); switch (pass) { case 0: assert_int_equal(result, ISC_R_NOTFOUND); break; case 1: /* * Should loop for 1 second with stale lookups then * stop. */ count = 0; do { count++; assert_in_range(count, 0, 49); /* loop sanity */ assert_int_equal(result, ISC_R_SUCCESS); assert_int_equal(rdataset.attributes & DNS_RDATASETATTR_STALE, DNS_RDATASETATTR_STALE); dns_db_detachnode(db, &node); dns_rdataset_disassociate(&rdataset); usleep(100000); /* 100 ms */ result = dns_db_find( db, example, NULL, dns_rdatatype_a, DNS_DBFIND_STALEOK, 0, &node, found, &rdataset, NULL); } while (result == ISC_R_SUCCESS); /* * usleep(100000) can be slightly less than 10ms so * allow the count to reach 11. */ assert_in_range(count, 1, 11); assert_int_equal(result, ISC_R_NOTFOUND); break; case 2: assert_int_equal(result, ISC_R_NOTFOUND); break; } } dns_db_detach(&db); } /* database class */ ISC_RUN_TEST_IMPL(class) { isc_result_t result; dns_db_t *db = NULL; UNUSED(state); result = dns_db_create(mctx, "rbt", dns_rootname, dns_dbtype_zone, dns_rdataclass_in, 0, NULL, &db); assert_int_equal(result, ISC_R_SUCCESS); result = dns_db_load(db, TESTS_DIR "/testdata/db/data.db", dns_masterformat_text, 0); assert_int_equal(result, ISC_R_SUCCESS); assert_int_equal(dns_db_class(db), dns_rdataclass_in); dns_db_detach(&db); } /* database type */ ISC_RUN_TEST_IMPL(dbtype) { isc_result_t result; dns_db_t *db = NULL; UNUSED(state); /* DB has zone semantics */ result = dns_db_create(mctx, "rbt", dns_rootname, dns_dbtype_zone, dns_rdataclass_in, 0, NULL, &db); assert_int_equal(result, ISC_R_SUCCESS); result = dns_db_load(db, TESTS_DIR "/testdata/db/data.db", dns_masterformat_text, 0); assert_int_equal(result, ISC_R_SUCCESS); assert_true(dns_db_iszone(db)); assert_false(dns_db_iscache(db)); dns_db_detach(&db); /* DB has cache semantics */ result = dns_db_create(mctx, "rbt", dns_rootname, dns_dbtype_cache, dns_rdataclass_in, 0, NULL, &db); assert_int_equal(result, ISC_R_SUCCESS); result = dns_db_load(db, TESTS_DIR "/testdata/db/data.db", dns_masterformat_text, 0); assert_int_equal(result, ISC_R_SUCCESS); assert_true(dns_db_iscache(db)); assert_false(dns_db_iszone(db)); dns_db_detach(&db); } /* database versions */ ISC_RUN_TEST_IMPL(version) { isc_result_t result; dns_fixedname_t fname, ffound; dns_name_t *name, *foundname; dns_db_t *db = NULL; dns_dbversion_t *ver = NULL, *new = NULL; dns_dbnode_t *node = NULL; dns_rdataset_t rdataset; UNUSED(state); result = dns_test_loaddb(&db, dns_dbtype_zone, "test.test", TESTS_DIR "/testdata/db/data.db"); assert_int_equal(result, ISC_R_SUCCESS); /* Open current version for reading */ dns_db_currentversion(db, &ver); dns_test_namefromstring("b.test.test", &fname); name = dns_fixedname_name(&fname); foundname = dns_fixedname_initname(&ffound); dns_rdataset_init(&rdataset); result = dns_db_find(db, name, ver, dns_rdatatype_a, 0, 0, &node, foundname, &rdataset, NULL); assert_int_equal(result, ISC_R_SUCCESS); dns_rdataset_disassociate(&rdataset); dns_db_detachnode(db, &node); dns_db_closeversion(db, &ver, false); /* Open new version for writing */ dns_db_currentversion(db, &ver); dns_test_namefromstring("b.test.test", &fname); name = dns_fixedname_name(&fname); foundname = dns_fixedname_initname(&ffound); dns_rdataset_init(&rdataset); result = dns_db_find(db, name, ver, dns_rdatatype_a, 0, 0, &node, foundname, &rdataset, NULL); assert_int_equal(result, ISC_R_SUCCESS); result = dns_db_newversion(db, &new); assert_int_equal(result, ISC_R_SUCCESS); /* Delete the rdataset from the new version */ result = dns_db_deleterdataset(db, node, new, dns_rdatatype_a, 0); assert_int_equal(result, ISC_R_SUCCESS); dns_rdataset_disassociate(&rdataset); dns_db_detachnode(db, &node); /* This should fail now */ result = dns_db_find(db, name, new, dns_rdatatype_a, 0, 0, &node, foundname, &rdataset, NULL); assert_int_equal(result, DNS_R_NXDOMAIN); dns_db_closeversion(db, &new, true); /* But this should still succeed */ result = dns_db_find(db, name, ver, dns_rdatatype_a, 0, 0, &node, foundname, &rdataset, NULL); assert_int_equal(result, ISC_R_SUCCESS); dns_rdataset_disassociate(&rdataset); dns_db_detachnode(db, &node); dns_db_closeversion(db, &ver, false); dns_db_detach(&db); } ISC_TEST_LIST_START ISC_TEST_ENTRY(getoriginnode) ISC_TEST_ENTRY(getsetservestalettl) ISC_TEST_ENTRY(dns_dbfind_staleok) ISC_TEST_ENTRY(class) ISC_TEST_ENTRY(dbtype) ISC_TEST_ENTRY(version) ISC_TEST_LIST_END ISC_TEST_MAIN