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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.
*/
#include <inttypes.h>
#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 <tests/dns.h>
#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
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