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-rw-r--r--lib/dns/tests/db_test.c428
1 files changed, 428 insertions, 0 deletions
diff --git a/lib/dns/tests/db_test.c b/lib/dns/tests/db_test.c
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+++ b/lib/dns/tests/db_test.c
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+/*
+ * 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.
+ */
+
+#if HAVE_CMOCKA
+
+#include <sched.h> /* IWYU pragma: keep */
+#include <setjmp.h>
+#include <stdarg.h>
+#include <stddef.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#define UNIT_TESTING
+#include <cmocka.h>
+
+#include <dns/db.h>
+#include <dns/dbiterator.h>
+#include <dns/journal.h>
+#include <dns/name.h>
+#include <dns/rdatalist.h>
+
+#include "dnstest.h"
+
+static int
+_setup(void **state) {
+ isc_result_t result;
+
+ UNUSED(state);
+
+ result = dns_test_begin(NULL, false);
+ assert_int_equal(result, ISC_R_SUCCESS);
+
+ return (0);
+}
+
+static int
+_teardown(void **state) {
+ UNUSED(state);
+
+ dns_test_end();
+
+ return (0);
+}
+
+#define BUFLEN 255
+#define BIGBUFLEN (64 * 1024)
+#define TEST_ORIGIN "test"
+
+/*
+ * Individual unit tests
+ */
+
+/* test multiple calls to dns_db_getoriginnode */
+static void
+getoriginnode_test(void **state) {
+ dns_db_t *db = NULL;
+ dns_dbnode_t *node = NULL;
+ isc_mem_t *mctx = NULL;
+ isc_result_t result;
+
+ UNUSED(state);
+
+ isc_mem_create(&mctx);
+
+ 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);
+ isc_mem_detach(&mctx);
+}
+
+/* test getservestalettl and setservestalettl */
+static void
+getsetservestalettl_test(void **state) {
+ dns_db_t *db = NULL;
+ isc_mem_t *mctx = NULL;
+ isc_result_t result;
+ dns_ttl_t ttl;
+
+ UNUSED(state);
+
+ isc_mem_create(&mctx);
+
+ 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);
+ isc_mem_detach(&mctx);
+}
+
+/* check DNS_DBFIND_STALEOK works */
+static void
+dns_dbfind_staleok_test(void **state) {
+ 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_mem_t *mctx = NULL;
+ isc_result_t result;
+ unsigned char data[] = { 0x0a, 0x00, 0x00, 0x01 };
+
+ UNUSED(state);
+
+ isc_mem_create(&mctx);
+
+ 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);
+ isc_mem_detach(&mctx);
+}
+
+/* database class */
+static void
+class_test(void **state) {
+ isc_result_t result;
+ dns_db_t *db = NULL;
+
+ UNUSED(state);
+
+ result = dns_db_create(dt_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, "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 */
+static void
+dbtype_test(void **state) {
+ isc_result_t result;
+ dns_db_t *db = NULL;
+
+ UNUSED(state);
+
+ /* DB has zone semantics */
+ result = dns_db_create(dt_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, "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(dt_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, "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 */
+static void
+version_test(void **state) {
+ 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",
+ "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);
+}
+
+int
+main(void) {
+ const struct CMUnitTest tests[] = {
+ cmocka_unit_test(getoriginnode_test),
+ cmocka_unit_test(getsetservestalettl_test),
+ cmocka_unit_test(dns_dbfind_staleok_test),
+ cmocka_unit_test_setup_teardown(class_test, _setup, _teardown),
+ cmocka_unit_test_setup_teardown(dbtype_test, _setup, _teardown),
+ cmocka_unit_test_setup_teardown(version_test, _setup,
+ _teardown),
+ };
+
+ return (cmocka_run_group_tests(tests, NULL, NULL));
+}
+
+#else /* HAVE_CMOCKA */
+
+#include <stdio.h>
+
+int
+main(void) {
+ printf("1..0 # Skipped: cmocka not available\n");
+ return (SKIPPED_TEST_EXIT_CODE);
+}
+
+#endif /* if HAVE_CMOCKA */
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