/* $NetBSD: sockaddr_test.c,v 1.2.4.2 2024/02/29 12:35:56 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 #include /* 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