1 files changed, 461 insertions, 0 deletions
diff --git a/tests/dns/dbversion_test.c b/tests/dns/dbversion_test.c
new file mode 100644
index 0000000..4d52166
--- /dev/null
+++ b/tests/dns/dbversion_test.c
@@ -0,0 +1,461 @@
+/*
+ * 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 <inttypes.h>
+#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 <tests/dns.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_test(void **state) {
+	isc_result_t res;
+
+	UNUSED(state);
+
+	isc_assertion_setcallback(local_callback);
+
+	res = dns_db_create(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(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_test(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);
+	}
+
+	return (0);
+}
+
+/*
+ * Check dns_db_attachversion() passes with matching db and version, and
+ * asserts with mis-matching db and version.
+ */
+ISC_RUN_TEST_IMPL(attachversion) {
+	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.
+ */
+ISC_RUN_TEST_IMPL(closeversion) {
+	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.
+ */
+ISC_RUN_TEST_IMPL(find) {
+	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.
+ */
+ISC_RUN_TEST_IMPL(allrdatasets) {
+	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.
+ */
+ISC_RUN_TEST_IMPL(findrdataset) {
+	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.
+ */
+ISC_RUN_TEST_IMPL(deleterdataset) {
+	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.
+ */
+ISC_RUN_TEST_IMPL(subtract) {
+	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.
+ */
+ISC_RUN_TEST_IMPL(dump) {
+	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.
+ */
+ISC_RUN_TEST_IMPL(addrdataset) {
+	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.
+ */
+ISC_RUN_TEST_IMPL(getnsec3parameters) {
+	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.
+ */
+ISC_RUN_TEST_IMPL(resigned) {
+	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);
+}
+
+ISC_TEST_LIST_START
+ISC_TEST_ENTRY_CUSTOM(dump, setup_test, teardown_test)
+ISC_TEST_ENTRY_CUSTOM(find, setup_test, teardown_test)
+ISC_TEST_ENTRY_CUSTOM(allrdatasets, setup_test, teardown_test)
+ISC_TEST_ENTRY_CUSTOM(findrdataset, setup_test, teardown_test)
+ISC_TEST_ENTRY_CUSTOM(deleterdataset, setup_test, teardown_test)
+ISC_TEST_ENTRY_CUSTOM(subtract, setup_test, teardown_test)
+ISC_TEST_ENTRY_CUSTOM(addrdataset, setup_test, teardown_test)
+ISC_TEST_ENTRY_CUSTOM(getnsec3parameters, setup_test, teardown_test)
+ISC_TEST_ENTRY_CUSTOM(resigned, setup_test, teardown_test)
+ISC_TEST_ENTRY_CUSTOM(attachversion, setup_test, teardown_test)
+ISC_TEST_ENTRY_CUSTOM(closeversion, setup_test, teardown_test)
+ISC_TEST_LIST_END
+
+ISC_TEST_MAIN