/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* 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 <config.h>
#if HAVE_CMOCKA
#include <stdarg.h>
#include <stddef.h>
#include <setjmp.h>
#include <sched.h> /* IWYU pragma: keep */
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#define UNIT_TESTING
#include <cmocka.h>
#include <isc/file.h>
#include <isc/msgcat.h>
#include <isc/print.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/rdatalist.h>
#include <dns/rdataset.h>
#include <dns/rdatasetiter.h>
#include <dns/nsec3.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;
#ifndef ISC_CHECK_NONE
/*
* 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);
}
#else
#define check_assertion(function_call)
#endif /* ISC_CHECK_NONE */
static int
_setup(void **state) {
isc_result_t res;
UNUSED(state);
#ifndef ISC_CHECK_NONE
isc_assertion_setcallback(local_callback);
#endif
res = dns_test_begin(NULL, false);
assert_int_equal(res, ISC_R_SUCCESS);
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(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, &iterator);
assert_int_equal(res, ISC_R_SUCCESS);
check_assertion(dns_db_allrdatasets(db1, node, v2, 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, dns_test_init, dns_test_final));
}
#else /* HAVE_CMOCKA */
#include <stdio.h>
int
main(void) {
printf("1..0 # Skipped: cmocka not available\n");
return (0);
}
#endif