knot-dns/tests/libknot/test_dnssec_nsec_bitmap.c
2025-10-24 09:17:08 +02:00

91 lines
2.4 KiB
C

/* 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 <assert.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <tap/basic.h>
#include "libknot/dnssec/nsec.h"
#include "libknot/descriptor.h"
#define TEST_BITMAP_SIZE 18
int main(void)
{
plan_lazy();
// Which rrtypes will be contained in the bitmap.
int test_contains_count = 8;
enum knot_rr_type test_contains[] = {
KNOT_RRTYPE_A,
KNOT_RRTYPE_NS,
KNOT_RRTYPE_SOA,
KNOT_RRTYPE_RRSIG,
KNOT_RRTYPE_NSEC,
KNOT_RRTYPE_DNSKEY,
KNOT_RRTYPE_SPF,
KNOT_RRTYPE_CAA
};
// Which rrtypes will not be contained in the bitmap.
int test_not_contains_count = 4;
enum knot_rr_type test_not_contains[] = {
KNOT_RRTYPE_AAAA,
KNOT_RRTYPE_MX,
KNOT_RRTYPE_AXFR,
KNOT_RRTYPE_CNAME
};
// Allocate new bitmap.
dnssec_nsec_bitmap_t *bitmap = dnssec_nsec_bitmap_new();
ok(bitmap != NULL, "allocate bitmap");
if (!bitmap) {
return 1;
}
// Add the desired RR types to bitmap.
for (int i = 0; i < test_contains_count; i++) {
dnssec_nsec_bitmap_add(bitmap, test_contains[i]);
}
size_t size = dnssec_nsec_bitmap_size(bitmap);
ok(size == TEST_BITMAP_SIZE, "valid bitmap size");
if (size != TEST_BITMAP_SIZE) {
dnssec_nsec_bitmap_free(bitmap);
return 1;
}
const uint8_t expected[TEST_BITMAP_SIZE] = {
0x00, 0x0D, 0x62, 0x00, 0x00, 0x00, 0x00, 0x03, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10,
0x01, 0x01, 0x40
};
uint8_t encoded[TEST_BITMAP_SIZE] = { 0 };
dnssec_nsec_bitmap_write(bitmap, encoded);
ok(memcmp(encoded, expected, TEST_BITMAP_SIZE) == 0, "valid bitmap");
// Test contained types.
char rrtype_str[50];
for (int i = 0; i < test_contains_count; i++) {
bool contains = dnssec_nsec_bitmap_contains(encoded, size, test_contains[i]);
(void)knot_rrtype_to_string(test_contains[i], rrtype_str, 50);
ok(contains, "bitmap contains %s", rrtype_str);
}
// Test not contained types.
for (int i = 0; i < test_not_contains_count; i++) {
bool contains = dnssec_nsec_bitmap_contains(encoded, size, test_not_contains[i]);
(void)knot_rrtype_to_string(test_not_contains[i], rrtype_str, 50);
ok(!contains, "bitmap does not contain %s", rrtype_str);
}
dnssec_nsec_bitmap_clear(bitmap);
ok(dnssec_nsec_bitmap_size(bitmap) == 0, "bitmap clear");
dnssec_nsec_bitmap_free(bitmap);
return 0;
}