/* $NetBSD: netaddr_test.c,v 1.2.4.2 2024/02/29 12:35:55 martin Exp $ */ /* * 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 #include /* IWYU pragma: keep */ #include #include #include #include #include #include #include #define UNIT_TESTING #include #include #include #include #include /* test isc_netaddr_isnetzero() */ ISC_RUN_TEST_IMPL(netaddr_isnetzero) { unsigned int i; struct in_addr ina; struct { const char *address; bool expect; } tests[] = { { "0.0.0.0", true }, { "0.0.0.1", true }, { "0.0.1.2", true }, { "0.1.2.3", true }, { "10.0.0.0", false }, { "10.9.0.0", false }, { "10.9.8.0", false }, { "10.9.8.7", false }, { "127.0.0.0", false }, { "127.0.0.1", false } }; isc_netaddr_t netaddr; UNUSED(state); for (i = 0; i < sizeof(tests) / sizeof(tests[0]); i++) { bool result; ina.s_addr = inet_addr(tests[i].address); isc_netaddr_fromin(&netaddr, &ina); result = isc_netaddr_isnetzero(&netaddr); assert_int_equal(result, tests[i].expect); } } /* test isc_netaddr_masktoprefixlen() calculates correct prefix lengths */ ISC_RUN_TEST_IMPL(netaddr_masktoprefixlen) { struct in_addr na_a; struct in_addr na_b; struct in_addr na_c; struct in_addr na_d; isc_netaddr_t ina_a; isc_netaddr_t ina_b; isc_netaddr_t ina_c; isc_netaddr_t ina_d; unsigned int plen; UNUSED(state); assert_true(inet_pton(AF_INET, "0.0.0.0", &na_a) >= 0); assert_true(inet_pton(AF_INET, "255.255.255.254", &na_b) >= 0); assert_true(inet_pton(AF_INET, "255.255.255.255", &na_c) >= 0); assert_true(inet_pton(AF_INET, "255.255.255.0", &na_d) >= 0); isc_netaddr_fromin(&ina_a, &na_a); isc_netaddr_fromin(&ina_b, &na_b); isc_netaddr_fromin(&ina_c, &na_c); isc_netaddr_fromin(&ina_d, &na_d); assert_int_equal(isc_netaddr_masktoprefixlen(&ina_a, &plen), ISC_R_SUCCESS); assert_int_equal(plen, 0); assert_int_equal(isc_netaddr_masktoprefixlen(&ina_b, &plen), ISC_R_SUCCESS); assert_int_equal(plen, 31); assert_int_equal(isc_netaddr_masktoprefixlen(&ina_c, &plen), ISC_R_SUCCESS); assert_int_equal(plen, 32); assert_int_equal(isc_netaddr_masktoprefixlen(&ina_d, &plen), ISC_R_SUCCESS); assert_int_equal(plen, 24); } /* check multicast addresses are detected properly */ ISC_RUN_TEST_IMPL(netaddr_multicast) { unsigned int i; struct { int family; const char *addr; bool is_multicast; } tests[] = { { AF_INET, "1.2.3.4", false }, { AF_INET, "4.3.2.1", false }, { AF_INET, "224.1.1.1", true }, { AF_INET, "1.1.1.244", false }, { AF_INET6, "::1", false }, { AF_INET6, "ff02::1", true } }; UNUSED(state); for (i = 0; i < sizeof(tests) / sizeof(tests[0]); i++) { isc_netaddr_t na; struct in_addr in; struct in6_addr in6; int r; if (tests[i].family == AF_INET) { r = inet_pton(AF_INET, tests[i].addr, (unsigned char *)&in); assert_int_equal(r, 1); isc_netaddr_fromin(&na, &in); } else { r = inet_pton(AF_INET6, tests[i].addr, (unsigned char *)&in6); assert_int_equal(r, 1); isc_netaddr_fromin6(&na, &in6); } assert_int_equal(isc_netaddr_ismulticast(&na), tests[i].is_multicast); } } ISC_TEST_LIST_START ISC_TEST_ENTRY(netaddr_isnetzero) ISC_TEST_ENTRY(netaddr_masktoprefixlen) ISC_TEST_ENTRY(netaddr_multicast) ISC_TEST_LIST_END ISC_TEST_MAIN