1 /* $NetBSD: sockaddr_test.c,v 1.3 2025/01/26 16:25:50 christos Exp $ */ 2 3 /* 4 * Copyright (C) Internet Systems Consortium, Inc. ("ISC") 5 * 6 * SPDX-License-Identifier: MPL-2.0 7 * 8 * This Source Code Form is subject to the terms of the Mozilla Public 9 * License, v. 2.0. If a copy of the MPL was not distributed with this 10 * file, you can obtain one at https://mozilla.org/MPL/2.0/. 11 * 12 * See the COPYRIGHT file distributed with this work for additional 13 * information regarding copyright ownership. 14 */ 15 16 #include <inttypes.h> 17 #include <sched.h> /* IWYU pragma: keep */ 18 #include <setjmp.h> 19 #include <stdarg.h> 20 #include <stdbool.h> 21 #include <stddef.h> 22 #include <stdlib.h> 23 #include <string.h> 24 #include <unistd.h> 25 26 #define UNIT_TESTING 27 #include <cmocka.h> 28 29 #include <isc/netaddr.h> 30 #include <isc/sockaddr.h> 31 #include <isc/util.h> 32 33 #include <tests/isc.h> 34 35 /* test sockaddr hash */ 36 ISC_RUN_TEST_IMPL(sockaddr_hash) { 37 isc_sockaddr_t addr; 38 struct in_addr in; 39 struct in6_addr in6; 40 unsigned int h1, h2, h3, h4; 41 int ret; 42 43 UNUSED(state); 44 45 in.s_addr = inet_addr("127.0.0.1"); 46 isc_sockaddr_fromin(&addr, &in, 1); 47 h1 = isc_sockaddr_hash(&addr, true); 48 h2 = isc_sockaddr_hash(&addr, false); 49 assert_int_not_equal(h1, h2); 50 51 ret = inet_pton(AF_INET6, "::ffff:127.0.0.1", &in6); 52 assert_int_equal(ret, 1); 53 isc_sockaddr_fromin6(&addr, &in6, 1); 54 h3 = isc_sockaddr_hash(&addr, true); 55 h4 = isc_sockaddr_hash(&addr, false); 56 assert_int_equal(h1, h3); 57 assert_int_equal(h2, h4); 58 } 59 60 /* test isc_sockaddr_isnetzero() */ 61 ISC_RUN_TEST_IMPL(sockaddr_isnetzero) { 62 isc_sockaddr_t addr; 63 struct in_addr in; 64 struct in6_addr in6; 65 bool r; 66 67 size_t i; 68 struct { 69 const char *string; 70 bool expect; 71 } data4[] = { 72 { "0.0.0.0", true }, { "0.0.0.1", true }, 73 { "0.0.1.0", true }, { "0.1.0.0", true }, 74 { "1.0.0.0", false }, { "0.0.0.127", true }, 75 { "0.0.0.255", true }, { "127.0.0.1", false }, 76 { "255.255.255.255", false }, 77 }; 78 /* 79 * Mapped addresses are currently not netzero. 80 */ 81 struct { 82 const char *string; 83 bool expect; 84 } data6[] = { 85 { "::ffff:0.0.0.0", false }, 86 { "::ffff:0.0.0.1", false }, 87 { "::ffff:0.0.0.127", false }, 88 { "::ffff:0.0.0.255", false }, 89 { "::ffff:127.0.0.1", false }, 90 { "::ffff:255.255.255.255", false }, 91 }; 92 93 UNUSED(state); 94 95 for (i = 0; i < sizeof(data4) / sizeof(data4[0]); i++) { 96 in.s_addr = inet_addr(data4[i].string); 97 isc_sockaddr_fromin(&addr, &in, 1); 98 r = isc_sockaddr_isnetzero(&addr); 99 assert_int_equal(r, data4[i].expect); 100 } 101 102 for (i = 0; i < sizeof(data6) / sizeof(data6[0]); i++) { 103 int ret = inet_pton(AF_INET6, data6[i].string, &in6); 104 assert_int_equal(ret, 1); 105 isc_sockaddr_fromin6(&addr, &in6, 1); 106 r = isc_sockaddr_isnetzero(&addr); 107 assert_int_equal(r, data6[i].expect); 108 } 109 } 110 111 /* 112 * test that isc_sockaddr_eqaddrprefix() returns true when prefixes of a 113 * and b are equal, and false when they are not equal 114 */ 115 ISC_RUN_TEST_IMPL(sockaddr_eqaddrprefix) { 116 struct in_addr ina_a; 117 struct in_addr ina_b; 118 struct in_addr ina_c; 119 isc_sockaddr_t isa_a; 120 isc_sockaddr_t isa_b; 121 isc_sockaddr_t isa_c; 122 123 UNUSED(state); 124 125 assert_true(inet_pton(AF_INET, "194.100.32.87", &ina_a) >= 0); 126 assert_true(inet_pton(AF_INET, "194.100.32.80", &ina_b) >= 0); 127 assert_true(inet_pton(AF_INET, "194.101.32.87", &ina_c) >= 0); 128 129 isc_sockaddr_fromin(&isa_a, &ina_a, 0); 130 isc_sockaddr_fromin(&isa_b, &ina_b, 42); 131 isc_sockaddr_fromin(&isa_c, &ina_c, 0); 132 133 assert_true(isc_sockaddr_eqaddrprefix(&isa_a, &isa_b, 0)); 134 assert_true(isc_sockaddr_eqaddrprefix(&isa_a, &isa_b, 29)); 135 assert_true(isc_sockaddr_eqaddrprefix(&isa_a, &isa_c, 8)); 136 137 assert_false(isc_sockaddr_eqaddrprefix(&isa_a, &isa_b, 30)); 138 assert_false(isc_sockaddr_eqaddrprefix(&isa_a, &isa_b, 32)); 139 assert_false(isc_sockaddr_eqaddrprefix(&isa_a, &isa_c, 16)); 140 } 141 142 ISC_TEST_LIST_START 143 144 ISC_TEST_ENTRY(sockaddr_hash) 145 ISC_TEST_ENTRY(sockaddr_isnetzero) 146 ISC_TEST_ENTRY(sockaddr_eqaddrprefix) 147 148 ISC_TEST_LIST_END 149 150 ISC_TEST_MAIN 151