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-rw-r--r--lib/dns/tests/dbversion_test.c499
1 files changed, 499 insertions, 0 deletions
diff --git a/lib/dns/tests/dbversion_test.c b/lib/dns/tests/dbversion_test.c
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+++ b/lib/dns/tests/dbversion_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 <string.h>
+#include <unistd.h>
+
+#define UNIT_TESTING
+#include <cmocka.h>
+
+#include <isc/file.h>
+#include <isc/result.h>
+#include <isc/serial.h>
+#include <isc/stdtime.h>
+#include <isc/string.h>
+#include <isc/util.h>
+
+#include <dns/db.h>
+#include <dns/nsec3.h>
+#include <dns/rdatalist.h>
+#include <dns/rdataset.h>
+#include <dns/rdatasetiter.h>
+
+#include "dnstest.h"
+
+static char tempname[11] = "dtXXXXXXXX";
+static dns_db_t *db1 = NULL, *db2 = NULL;
+static dns_dbversion_t *v1 = NULL, *v2 = NULL;
+
+/*
+ * The code below enables us to trap assertion failures for testing
+ * purposes. local_callback() is set as the callback function for
+ * isc_assertion_failed(). It calls mock_assert() so that CMOCKA
+ * will be able to see it, then returns to the calling function via
+ * longjmp() so that the abort() call in isc_assertion_failed() will
+ * never be reached. Use check_assertion() to check for assertions
+ * instead of expect_assert_failure().
+ */
+jmp_buf assertion;
+
+#define check_assertion(function_call) \
+ do { \
+ const int r = setjmp(assertion); \
+ if (r == 0) { \
+ expect_assert_failure(function_call); \
+ } \
+ } while (false);
+
+static void
+local_callback(const char *file, int line, isc_assertiontype_t type,
+ const char *cond) {
+ UNUSED(type);
+
+ mock_assert(1, cond, file, line);
+ longjmp(assertion, 1);
+}
+
+static int
+_setup(void **state) {
+ isc_result_t res;
+
+ UNUSED(state);
+
+ isc_assertion_setcallback(local_callback);
+
+ res = dns_test_begin(NULL, false);
+ assert_int_equal(res, ISC_R_SUCCESS);
+
+ res = dns_db_create(dt_mctx, "rbt", dns_rootname, dns_dbtype_zone,
+ dns_rdataclass_in, 0, NULL, &db1);
+ assert_int_equal(res, ISC_R_SUCCESS);
+ dns_db_newversion(db1, &v1);
+ assert_non_null(v1);
+
+ res = dns_db_create(dt_mctx, "rbt", dns_rootname, dns_dbtype_zone,
+ dns_rdataclass_in, 0, NULL, &db2);
+ assert_int_equal(res, ISC_R_SUCCESS);
+ dns_db_newversion(db2, &v2);
+ assert_non_null(v1);
+
+ return (0);
+}
+
+static int
+_teardown(void **state) {
+ UNUSED(state);
+
+ if (strcmp(tempname, "dtXXXXXXXX") != 0) {
+ unlink(tempname);
+ }
+
+ if (v1 != NULL) {
+ dns_db_closeversion(db1, &v1, false);
+ assert_null(v1);
+ }
+ if (db1 != NULL) {
+ dns_db_detach(&db1);
+ assert_null(db1);
+ }
+
+ if (v2 != NULL) {
+ dns_db_closeversion(db2, &v2, false);
+ assert_null(v2);
+ }
+ if (db2 != NULL) {
+ dns_db_detach(&db2);
+ assert_null(db2);
+ }
+
+ dns_test_end();
+
+ return (0);
+}
+
+/*
+ * Check dns_db_attachversion() passes with matching db and version, and
+ * asserts with mis-matching db and version.
+ */
+static void
+attachversion(void **state) {
+ dns_dbversion_t *v = NULL;
+
+ UNUSED(state);
+
+ dns_db_attachversion(db1, v1, &v);
+ assert_ptr_equal(v, v1);
+ dns_db_closeversion(db1, &v, false);
+ assert_null(v);
+
+ check_assertion(dns_db_attachversion(db1, v2, &v));
+}
+
+/*
+ * Check dns_db_closeversion() passes with matching db and version, and
+ * asserts with mis-matching db and version.
+ */
+static void
+closeversion(void **state) {
+ UNUSED(state);
+
+ assert_non_null(v1);
+ dns_db_closeversion(db1, &v1, false);
+ assert_null(v1);
+
+ check_assertion(dns_db_closeversion(db1, &v2, false));
+}
+
+/*
+ * Check dns_db_find() passes with matching db and version, and
+ * asserts with mis-matching db and version.
+ */
+static void
+find(void **state) {
+ isc_result_t res;
+ dns_rdataset_t rdataset;
+ dns_fixedname_t fixed;
+ dns_name_t *name = NULL;
+
+ UNUSED(state);
+
+ name = dns_fixedname_initname(&fixed);
+
+ dns_rdataset_init(&rdataset);
+ res = dns_db_find(db1, dns_rootname, v1, dns_rdatatype_soa, 0, 0, NULL,
+ name, &rdataset, NULL);
+ assert_int_equal(res, DNS_R_NXDOMAIN);
+
+ if (dns_rdataset_isassociated(&rdataset)) {
+ dns_rdataset_disassociate(&rdataset);
+ }
+
+ dns_rdataset_init(&rdataset);
+ check_assertion((void)dns_db_find(db1, dns_rootname, v2,
+ dns_rdatatype_soa, 0, 0, NULL, name,
+ &rdataset, NULL));
+}
+
+/*
+ * Check dns_db_allrdatasets() passes with matching db and version, and
+ * asserts with mis-matching db and version.
+ */
+static void
+allrdatasets(void **state) {
+ isc_result_t res;
+ dns_dbnode_t *node = NULL;
+ dns_rdatasetiter_t *iterator = NULL;
+
+ UNUSED(state);
+
+ res = dns_db_findnode(db1, dns_rootname, false, &node);
+ assert_int_equal(res, ISC_R_SUCCESS);
+
+ res = dns_db_allrdatasets(db1, node, v1, 0, 0, &iterator);
+ assert_int_equal(res, ISC_R_SUCCESS);
+
+ check_assertion(dns_db_allrdatasets(db1, node, v2, 0, 0, &iterator));
+
+ dns_rdatasetiter_destroy(&iterator);
+ assert_null(iterator);
+
+ dns_db_detachnode(db1, &node);
+ assert_null(node);
+}
+
+/*
+ * Check dns_db_findrdataset() passes with matching db and version, and
+ * asserts with mis-matching db and version.
+ */
+static void
+findrdataset(void **state) {
+ isc_result_t res;
+ dns_rdataset_t rdataset;
+ dns_dbnode_t *node = NULL;
+
+ UNUSED(state);
+
+ res = dns_db_findnode(db1, dns_rootname, false, &node);
+ assert_int_equal(res, ISC_R_SUCCESS);
+
+ dns_rdataset_init(&rdataset);
+ res = dns_db_findrdataset(db1, node, v1, dns_rdatatype_soa, 0, 0,
+ &rdataset, NULL);
+ assert_int_equal(res, ISC_R_NOTFOUND);
+
+ if (dns_rdataset_isassociated(&rdataset)) {
+ dns_rdataset_disassociate(&rdataset);
+ }
+
+ dns_rdataset_init(&rdataset);
+ check_assertion(dns_db_findrdataset(db1, node, v2, dns_rdatatype_soa, 0,
+ 0, &rdataset, NULL));
+
+ dns_db_detachnode(db1, &node);
+ assert_null(node);
+}
+
+/*
+ * Check dns_db_deleterdataset() passes with matching db and version, and
+ * asserts with mis-matching db and version.
+ */
+static void
+deleterdataset(void **state) {
+ isc_result_t res;
+ dns_dbnode_t *node = NULL;
+
+ UNUSED(state);
+
+ res = dns_db_findnode(db1, dns_rootname, false, &node);
+ assert_int_equal(res, ISC_R_SUCCESS);
+
+ res = dns_db_deleterdataset(db1, node, v1, dns_rdatatype_soa, 0);
+ assert_int_equal(res, DNS_R_UNCHANGED);
+
+ check_assertion(
+ dns_db_deleterdataset(db1, node, v2, dns_rdatatype_soa, 0));
+ dns_db_detachnode(db1, &node);
+ assert_null(node);
+}
+
+/*
+ * Check dns_db_subtractrdataset() passes with matching db and version, and
+ * asserts with mis-matching db and version.
+ */
+static void
+subtract(void **state) {
+ isc_result_t res;
+ dns_rdataset_t rdataset;
+ dns_rdatalist_t rdatalist;
+ dns_dbnode_t *node = NULL;
+
+ UNUSED(state);
+
+ dns_rdataset_init(&rdataset);
+ dns_rdatalist_init(&rdatalist);
+
+ rdatalist.rdclass = dns_rdataclass_in;
+
+ res = dns_rdatalist_tordataset(&rdatalist, &rdataset);
+ assert_int_equal(res, ISC_R_SUCCESS);
+
+ res = dns_db_findnode(db1, dns_rootname, false, &node);
+ assert_int_equal(res, ISC_R_SUCCESS);
+
+ res = dns_db_subtractrdataset(db1, node, v1, &rdataset, 0, NULL);
+ assert_int_equal(res, DNS_R_UNCHANGED);
+
+ if (dns_rdataset_isassociated(&rdataset)) {
+ dns_rdataset_disassociate(&rdataset);
+ }
+
+ dns_rdataset_init(&rdataset);
+ res = dns_rdatalist_tordataset(&rdatalist, &rdataset);
+ assert_int_equal(res, ISC_R_SUCCESS);
+
+ check_assertion(
+ dns_db_subtractrdataset(db1, node, v2, &rdataset, 0, NULL));
+
+ dns_db_detachnode(db1, &node);
+ assert_null(node);
+}
+
+/*
+ * Check dns_db_dump() passes with matching db and version, and
+ * asserts with mis-matching db and version.
+ */
+static void
+dump(void **state) {
+ isc_result_t res;
+ FILE *f = NULL;
+
+ UNUSED(state);
+
+ res = isc_file_openunique(tempname, &f);
+ fclose(f);
+ assert_int_equal(res, ISC_R_SUCCESS);
+
+ res = dns_db_dump(db1, v1, tempname);
+ assert_int_equal(res, ISC_R_SUCCESS);
+
+ check_assertion(dns_db_dump(db1, v2, tempname));
+}
+
+/*
+ * Check dns_db_addrdataset() passes with matching db and version, and
+ * asserts with mis-matching db and version.
+ */
+static void
+addrdataset(void **state) {
+ isc_result_t res;
+ dns_rdataset_t rdataset;
+ dns_dbnode_t *node = NULL;
+ dns_rdatalist_t rdatalist;
+
+ UNUSED(state);
+
+ dns_rdataset_init(&rdataset);
+ dns_rdatalist_init(&rdatalist);
+
+ rdatalist.rdclass = dns_rdataclass_in;
+
+ res = dns_rdatalist_tordataset(&rdatalist, &rdataset);
+ assert_int_equal(res, ISC_R_SUCCESS);
+
+ res = dns_db_findnode(db1, dns_rootname, false, &node);
+ assert_int_equal(res, ISC_R_SUCCESS);
+
+ res = dns_db_addrdataset(db1, node, v1, 0, &rdataset, 0, NULL);
+ assert_int_equal(res, ISC_R_SUCCESS);
+
+ check_assertion(
+ dns_db_addrdataset(db1, node, v2, 0, &rdataset, 0, NULL));
+
+ dns_db_detachnode(db1, &node);
+ assert_null(node);
+}
+
+/*
+ * Check dns_db_getnsec3parameters() passes with matching db and version,
+ * and asserts with mis-matching db and version.
+ */
+static void
+getnsec3parameters(void **state) {
+ isc_result_t res;
+ dns_hash_t hash;
+ uint8_t flags;
+ uint16_t iterations;
+ unsigned char salt[DNS_NSEC3_SALTSIZE];
+ size_t salt_length = sizeof(salt);
+
+ UNUSED(state);
+
+ res = dns_db_getnsec3parameters(db1, v1, &hash, &flags, &iterations,
+ salt, &salt_length);
+ assert_int_equal(res, ISC_R_NOTFOUND);
+
+ check_assertion(dns_db_getnsec3parameters(
+ db1, v2, &hash, &flags, &iterations, salt, &salt_length));
+}
+
+/*
+ * Check dns_db_resigned() passes with matching db and version, and
+ * asserts with mis-matching db and version.
+ */
+static void
+resigned(void **state) {
+ isc_result_t res;
+ dns_rdataset_t rdataset, added;
+ dns_dbnode_t *node = NULL;
+ dns_rdatalist_t rdatalist;
+ dns_rdata_rrsig_t rrsig;
+ dns_rdata_t rdata = DNS_RDATA_INIT;
+ isc_buffer_t b;
+ unsigned char buf[1024];
+
+ UNUSED(state);
+
+ /*
+ * Create a dummy RRSIG record and set a resigning time.
+ */
+ dns_rdataset_init(&added);
+ dns_rdataset_init(&rdataset);
+ dns_rdatalist_init(&rdatalist);
+ isc_buffer_init(&b, buf, sizeof(buf));
+
+ DNS_RDATACOMMON_INIT(&rrsig, dns_rdatatype_rrsig, dns_rdataclass_in);
+ rrsig.covered = dns_rdatatype_a;
+ rrsig.algorithm = 100;
+ rrsig.labels = 0;
+ rrsig.originalttl = 0;
+ rrsig.timeexpire = 3600;
+ rrsig.timesigned = 0;
+ rrsig.keyid = 0;
+ dns_name_init(&rrsig.signer, NULL);
+ dns_name_clone(dns_rootname, &rrsig.signer);
+ rrsig.siglen = 0;
+ rrsig.signature = NULL;
+
+ res = dns_rdata_fromstruct(&rdata, dns_rdataclass_in,
+ dns_rdatatype_rrsig, &rrsig, &b);
+ assert_int_equal(res, ISC_R_SUCCESS);
+
+ rdatalist.rdclass = dns_rdataclass_in;
+ rdatalist.type = dns_rdatatype_rrsig;
+ ISC_LIST_APPEND(rdatalist.rdata, &rdata, link);
+
+ res = dns_rdatalist_tordataset(&rdatalist, &rdataset);
+ assert_int_equal(res, ISC_R_SUCCESS);
+
+ rdataset.attributes |= DNS_RDATASETATTR_RESIGN;
+ rdataset.resign = 7200;
+
+ res = dns_db_findnode(db1, dns_rootname, false, &node);
+ assert_int_equal(res, ISC_R_SUCCESS);
+
+ res = dns_db_addrdataset(db1, node, v1, 0, &rdataset, 0, &added);
+ assert_int_equal(res, ISC_R_SUCCESS);
+
+ dns_db_detachnode(db1, &node);
+ assert_null(node);
+
+ check_assertion(dns_db_resigned(db1, &added, v2));
+
+ dns_db_resigned(db1, &added, v1);
+
+ dns_rdataset_disassociate(&added);
+}
+
+int
+main(void) {
+ const struct CMUnitTest tests[] = {
+ cmocka_unit_test_setup_teardown(dump, _setup, _teardown),
+ cmocka_unit_test_setup_teardown(find, _setup, _teardown),
+ cmocka_unit_test_setup_teardown(allrdatasets, _setup,
+ _teardown),
+ cmocka_unit_test_setup_teardown(findrdataset, _setup,
+ _teardown),
+ cmocka_unit_test_setup_teardown(deleterdataset, _setup,
+ _teardown),
+ cmocka_unit_test_setup_teardown(subtract, _setup, _teardown),
+ cmocka_unit_test_setup_teardown(addrdataset, _setup, _teardown),
+ cmocka_unit_test_setup_teardown(getnsec3parameters, _setup,
+ _teardown),
+ cmocka_unit_test_setup_teardown(resigned, _setup, _teardown),
+ cmocka_unit_test_setup_teardown(attachversion, _setup,
+ _teardown),
+ cmocka_unit_test_setup_teardown(closeversion, _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 */