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bind9/tests/isc/sockaddr_test.c
Daniel Baumann f66ff7eae6
Adding upstream version 1:9.20.9.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-21 13:32:37 +02:00

148 lines
3.8 KiB
C

/*
* 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 <stdbool.h>
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#define UNIT_TESTING
#include <cmocka.h>
#include <isc/netaddr.h>
#include <isc/sockaddr.h>
#include <isc/util.h>
#include <tests/isc.h>
/* test sockaddr hash */
ISC_RUN_TEST_IMPL(sockaddr_hash) {
isc_sockaddr_t addr;
struct in_addr in;
struct in6_addr in6;
unsigned int h1, h2, h3, h4;
int ret;
UNUSED(state);
in.s_addr = inet_addr("127.0.0.1");
isc_sockaddr_fromin(&addr, &in, 1);
h1 = isc_sockaddr_hash(&addr, true);
h2 = isc_sockaddr_hash(&addr, false);
assert_int_not_equal(h1, h2);
ret = inet_pton(AF_INET6, "::ffff:127.0.0.1", &in6);
assert_int_equal(ret, 1);
isc_sockaddr_fromin6(&addr, &in6, 1);
h3 = isc_sockaddr_hash(&addr, true);
h4 = isc_sockaddr_hash(&addr, false);
assert_int_equal(h1, h3);
assert_int_equal(h2, h4);
}
/* test isc_sockaddr_isnetzero() */
ISC_RUN_TEST_IMPL(sockaddr_isnetzero) {
isc_sockaddr_t addr;
struct in_addr in;
struct in6_addr in6;
bool r;
size_t i;
struct {
const char *string;
bool expect;
} data4[] = {
{ "0.0.0.0", true }, { "0.0.0.1", true },
{ "0.0.1.0", true }, { "0.1.0.0", true },
{ "1.0.0.0", false }, { "0.0.0.127", true },
{ "0.0.0.255", true }, { "127.0.0.1", false },
{ "255.255.255.255", false },
};
/*
* Mapped addresses are currently not netzero.
*/
struct {
const char *string;
bool expect;
} data6[] = {
{ "::ffff:0.0.0.0", false },
{ "::ffff:0.0.0.1", false },
{ "::ffff:0.0.0.127", false },
{ "::ffff:0.0.0.255", false },
{ "::ffff:127.0.0.1", false },
{ "::ffff:255.255.255.255", false },
};
UNUSED(state);
for (i = 0; i < sizeof(data4) / sizeof(data4[0]); i++) {
in.s_addr = inet_addr(data4[i].string);
isc_sockaddr_fromin(&addr, &in, 1);
r = isc_sockaddr_isnetzero(&addr);
assert_int_equal(r, data4[i].expect);
}
for (i = 0; i < sizeof(data6) / sizeof(data6[0]); i++) {
int ret = inet_pton(AF_INET6, data6[i].string, &in6);
assert_int_equal(ret, 1);
isc_sockaddr_fromin6(&addr, &in6, 1);
r = isc_sockaddr_isnetzero(&addr);
assert_int_equal(r, data6[i].expect);
}
}
/*
* test that isc_sockaddr_eqaddrprefix() returns true when prefixes of a
* and b are equal, and false when they are not equal
*/
ISC_RUN_TEST_IMPL(sockaddr_eqaddrprefix) {
struct in_addr ina_a;
struct in_addr ina_b;
struct in_addr ina_c;
isc_sockaddr_t isa_a;
isc_sockaddr_t isa_b;
isc_sockaddr_t isa_c;
UNUSED(state);
assert_true(inet_pton(AF_INET, "194.100.32.87", &ina_a) >= 0);
assert_true(inet_pton(AF_INET, "194.100.32.80", &ina_b) >= 0);
assert_true(inet_pton(AF_INET, "194.101.32.87", &ina_c) >= 0);
isc_sockaddr_fromin(&isa_a, &ina_a, 0);
isc_sockaddr_fromin(&isa_b, &ina_b, 42);
isc_sockaddr_fromin(&isa_c, &ina_c, 0);
assert_true(isc_sockaddr_eqaddrprefix(&isa_a, &isa_b, 0));
assert_true(isc_sockaddr_eqaddrprefix(&isa_a, &isa_b, 29));
assert_true(isc_sockaddr_eqaddrprefix(&isa_a, &isa_c, 8));
assert_false(isc_sockaddr_eqaddrprefix(&isa_a, &isa_b, 30));
assert_false(isc_sockaddr_eqaddrprefix(&isa_a, &isa_b, 32));
assert_false(isc_sockaddr_eqaddrprefix(&isa_a, &isa_c, 16));
}
ISC_TEST_LIST_START
ISC_TEST_ENTRY(sockaddr_hash)
ISC_TEST_ENTRY(sockaddr_isnetzero)
ISC_TEST_ENTRY(sockaddr_eqaddrprefix)
ISC_TEST_LIST_END
ISC_TEST_MAIN