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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 <inttypes.h>
#include <sched.h> /* IWYU pragma: keep */
#include <setjmp.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdlib.h>
#include <unistd.h>
#define UNIT_TESTING
#include <cmocka.h>
#include <isc/buffer.h>
#include <isc/util.h>
#include <dns/nsec3.h>
#include <dns/private.h>
#include <dns/rdataclass.h>
#include <dns/rdatatype.h>
#include <dst/dst.h>
#include "dnstest.h"
static dns_rdatatype_t privatetype = 65534;
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);
}
typedef struct {
unsigned char alg;
dns_keytag_t keyid;
bool remove;
bool complete;
} signing_testcase_t;
typedef struct {
unsigned char hash;
unsigned char flags;
unsigned int iterations;
unsigned long salt;
bool remove;
bool pending;
bool nonsec;
} nsec3_testcase_t;
static void
make_signing(signing_testcase_t *testcase, dns_rdata_t *private,
unsigned char *buf, size_t len) {
dns_rdata_init(private);
buf[0] = testcase->alg;
buf[1] = (testcase->keyid & 0xff00) >> 8;
buf[2] = (testcase->keyid & 0xff);
buf[3] = testcase->remove;
buf[4] = testcase->complete;
private->data = buf;
private->length = len;
private->type = privatetype;
private->rdclass = dns_rdataclass_in;
}
static void
make_nsec3(nsec3_testcase_t *testcase, dns_rdata_t *private,
unsigned char *pbuf) {
dns_rdata_nsec3param_t params;
dns_rdata_t nsec3param = DNS_RDATA_INIT;
unsigned char bufdata[BUFSIZ];
isc_buffer_t buf;
uint32_t salt;
unsigned char *sp;
int slen = 4;
/* for simplicity, we're using a maximum salt length of 4 */
salt = htonl(testcase->salt);
sp = (unsigned char *)&salt;
while (slen > 0 && *sp == '\0') {
slen--;
sp++;
}
params.common.rdclass = dns_rdataclass_in;
params.common.rdtype = dns_rdatatype_nsec3param;
params.hash = testcase->hash;
params.iterations = testcase->iterations;
params.salt = sp;
params.salt_length = slen;
params.flags = testcase->flags;
if (testcase->remove) {
params.flags |= DNS_NSEC3FLAG_REMOVE;
if (testcase->nonsec) {
params.flags |= DNS_NSEC3FLAG_NONSEC;
}
} else {
params.flags |= DNS_NSEC3FLAG_CREATE;
if (testcase->pending) {
params.flags |= DNS_NSEC3FLAG_INITIAL;
}
}
isc_buffer_init(&buf, bufdata, sizeof(bufdata));
dns_rdata_fromstruct(&nsec3param, dns_rdataclass_in,
dns_rdatatype_nsec3param, ¶ms, &buf);
dns_rdata_init(private);
dns_nsec3param_toprivate(&nsec3param, private, privatetype, pbuf,
DNS_NSEC3PARAM_BUFFERSIZE + 1);
}
/* convert private signing records to text */
static void
private_signing_totext_test(void **state) {
dns_rdata_t private;
int i;
signing_testcase_t testcases[] = { { DST_ALG_RSASHA512, 12345, 0, 0 },
{ DST_ALG_RSASHA256, 54321, 1, 0 },
{ DST_ALG_NSEC3RSASHA1, 22222, 0,
1 },
{ DST_ALG_RSASHA1, 33333, 1, 1 } };
const char *results[] = { "Signing with key 12345/RSASHA512",
"Removing signatures for key 54321/RSASHA256",
"Done signing with key 22222/NSEC3RSASHA1",
("Done removing signatures for key "
"33333/RSASHA1") };
int ncases = 4;
UNUSED(state);
for (i = 0; i < ncases; i++) {
unsigned char data[5];
char output[BUFSIZ];
isc_buffer_t buf;
isc_buffer_init(&buf, output, sizeof(output));
make_signing(&testcases[i], &private, data, sizeof(data));
dns_private_totext(&private, &buf);
assert_string_equal(output, results[i]);
}
}
/* convert private chain records to text */
static void
private_nsec3_totext_test(void **state) {
dns_rdata_t private;
int i;
nsec3_testcase_t testcases[] = {
{ 1, 0, 1, 0xbeef, 0, 0, 0 },
{ 1, 1, 10, 0xdadd, 0, 0, 0 },
{ 1, 0, 20, 0xbead, 0, 1, 0 },
{ 1, 0, 30, 0xdeaf, 1, 0, 0 },
{ 1, 0, 100, 0xfeedabee, 1, 0, 1 },
};
const char *results[] = { "Creating NSEC3 chain 1 0 1 BEEF",
"Creating NSEC3 chain 1 1 10 DADD",
"Pending NSEC3 chain 1 0 20 BEAD",
("Removing NSEC3 chain 1 0 30 DEAF / "
"creating NSEC chain"),
"Removing NSEC3 chain 1 0 100 FEEDABEE" };
int ncases = 5;
UNUSED(state);
for (i = 0; i < ncases; i++) {
unsigned char data[DNS_NSEC3PARAM_BUFFERSIZE + 1];
char output[BUFSIZ];
isc_buffer_t buf;
isc_buffer_init(&buf, output, sizeof(output));
make_nsec3(&testcases[i], &private, data);
dns_private_totext(&private, &buf);
assert_string_equal(output, results[i]);
}
}
int
main(void) {
const struct CMUnitTest tests[] = {
cmocka_unit_test_setup_teardown(private_signing_totext_test,
_setup, _teardown),
cmocka_unit_test_setup_teardown(private_nsec3_totext_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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