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/* Copyright (C) CZ.NIC, z.s.p.o. and contributors
* SPDX-License-Identifier: GPL-2.0-or-later
* For more information, see <https://www.knot-dns.cz/>
*/
#include <string.h>
#include <tap/basic.h>
#include "crypto.h"
#include "error.h"
#include "nsec.h"
static const dnssec_binary_t RDATA = { .size = 9, .data = (uint8_t []) {
0x01, // algorithm
0x00, // flags
0x00, 0x0a, // iterations
0x04, // salt length
'a', 'b', 'c', 'd' // salt
}};
static void test_length(void)
{
ok(dnssec_nsec3_hash_length(DNSSEC_NSEC3_ALGORITHM_SHA1) == 20,
"dnssec_nsec3_hash_length() for SHA1");
}
static void test_parsing(void)
{
dnssec_nsec3_params_t params = { 0 };
int result = dnssec_nsec3_params_from_rdata(¶ms, &RDATA);
ok(result == DNSSEC_EOK, "dnssec_nsec3_params_from_rdata()");
ok(params.algorithm == 1, "algorithm");
ok(params.flags == 0, "flags");
ok(params.iterations == 10, "iterations");
ok(params.salt.size == 4, "salt length");
ok(params.salt.data != NULL && memcmp(params.salt.data, "abcd", 4) == 0,
"salt content");
dnssec_nsec3_params_free(¶ms);
ok(params.salt.data == NULL, "dnssec_nsec3_params_free()");
}
static void test_hashing(void)
{
const dnssec_binary_t dname = {
.size = 13,
.data = (uint8_t *) "\x08""knot-dns""\x02""cz"
};
const dnssec_nsec3_params_t params = {
.algorithm = DNSSEC_NSEC3_ALGORITHM_SHA1,
.flags = 0,
.iterations = 7,
.salt = { .size = 14, .data = (uint8_t *) "happywithnsec3" }
};
const dnssec_binary_t expected = { .size = 20, .data = (uint8_t []) {
0x72, 0x40, 0x55, 0x83, 0x92, 0x93, 0x95, 0x28, 0xee, 0xa2,
0xcc, 0xe1, 0x13, 0xbe, 0xcd, 0x41, 0xee, 0x8a, 0x71, 0xfd
}};
dnssec_binary_t hash = { 0 };
int result = dnssec_nsec3_hash(&dname, ¶ms, &hash);
ok(result == DNSSEC_EOK, "dnssec_nsec3_hash()");
ok(hash.size == expected.size && hash.data != NULL &&
memcmp(hash.data, expected.data, expected.size) == 0,
"valid hash");
dnssec_binary_free(&hash);
}
static void test_clear(void)
{
const dnssec_nsec3_params_t empty = { 0 };
dnssec_nsec3_params_t params = { 0 };
int result = dnssec_nsec3_params_from_rdata(¶ms, &RDATA);
ok(result == DNSSEC_EOK, "dnssec_nsec3_params_from_rdata()");
ok(memcmp(¶ms, &empty, sizeof(dnssec_nsec3_params_t)) != 0,
"non-empty after dnssec_nsec3_params_from_rdata()");
dnssec_nsec3_params_free(¶ms);
ok(memcmp(¶ms, &empty, sizeof(dnssec_nsec3_params_t)) == 0,
"cleared after dnssec_nsec3_params_free()");
}
int main(void)
{
plan_lazy();
test_length();
test_parsing();
test_hashing();
test_clear();
return 0;
}
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