mirror of
https://gitlab.isc.org/isc-projects/bind9
synced 2025-08-22 01:59:26 +00:00
f5c204ac3e
Instead of relying on unreliable order of execution of the library constructors and destructors, move them to individual binaries. The advantage is that the execution time and order will remain constant and will not depend on the dynamic load dependency solver. This requires more work, but that was mitigated by a simple requirement, any executable using libisc and libdns, must include <isc/lib.h> and <dns/lib.h> respectively (in this particular order). In turn, these two headers must not be included from within any library as they contain inlined functions marked with constructor/destructor attributes.
150 lines
3.8 KiB
C
150 lines
3.8 KiB
C
/*
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* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
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*
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* SPDX-License-Identifier: MPL-2.0
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, you can obtain one at https://mozilla.org/MPL/2.0/.
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*
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* See the COPYRIGHT file distributed with this work for additional
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* information regarding copyright ownership.
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*/
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#include <inttypes.h>
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#include <sched.h> /* IWYU pragma: keep */
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#include <setjmp.h>
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#include <stdarg.h>
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#define UNIT_TESTING
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#include <cmocka.h>
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#include <isc/lib.h>
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#include <isc/netaddr.h>
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#include <isc/sockaddr.h>
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#include <isc/util.h>
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#include <tests/isc.h>
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/* test sockaddr hash */
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ISC_RUN_TEST_IMPL(sockaddr_hash) {
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isc_sockaddr_t addr;
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struct in_addr in;
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struct in6_addr in6;
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unsigned int h1, h2, h3, h4;
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int ret;
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UNUSED(state);
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in.s_addr = inet_addr("127.0.0.1");
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isc_sockaddr_fromin(&addr, &in, 1);
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h1 = isc_sockaddr_hash(&addr, true);
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h2 = isc_sockaddr_hash(&addr, false);
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assert_int_not_equal(h1, h2);
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ret = inet_pton(AF_INET6, "::ffff:127.0.0.1", &in6);
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assert_int_equal(ret, 1);
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isc_sockaddr_fromin6(&addr, &in6, 1);
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h3 = isc_sockaddr_hash(&addr, true);
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h4 = isc_sockaddr_hash(&addr, false);
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assert_int_equal(h1, h3);
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assert_int_equal(h2, h4);
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}
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/* test isc_sockaddr_isnetzero() */
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ISC_RUN_TEST_IMPL(sockaddr_isnetzero) {
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isc_sockaddr_t addr;
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struct in_addr in;
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struct in6_addr in6;
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bool r;
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size_t i;
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struct {
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const char *string;
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bool expect;
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} data4[] = {
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{ "0.0.0.0", true }, { "0.0.0.1", true },
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{ "0.0.1.0", true }, { "0.1.0.0", true },
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{ "1.0.0.0", false }, { "0.0.0.127", true },
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{ "0.0.0.255", true }, { "127.0.0.1", false },
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{ "255.255.255.255", false },
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};
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/*
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* Mapped addresses are currently not netzero.
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*/
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struct {
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const char *string;
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bool expect;
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} data6[] = {
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{ "::ffff:0.0.0.0", false },
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{ "::ffff:0.0.0.1", false },
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{ "::ffff:0.0.0.127", false },
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{ "::ffff:0.0.0.255", false },
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{ "::ffff:127.0.0.1", false },
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{ "::ffff:255.255.255.255", false },
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};
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UNUSED(state);
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for (i = 0; i < sizeof(data4) / sizeof(data4[0]); i++) {
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in.s_addr = inet_addr(data4[i].string);
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isc_sockaddr_fromin(&addr, &in, 1);
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r = isc_sockaddr_isnetzero(&addr);
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assert_int_equal(r, data4[i].expect);
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}
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for (i = 0; i < sizeof(data6) / sizeof(data6[0]); i++) {
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int ret = inet_pton(AF_INET6, data6[i].string, &in6);
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assert_int_equal(ret, 1);
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isc_sockaddr_fromin6(&addr, &in6, 1);
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r = isc_sockaddr_isnetzero(&addr);
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assert_int_equal(r, data6[i].expect);
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}
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}
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/*
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* test that isc_sockaddr_eqaddrprefix() returns true when prefixes of a
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* and b are equal, and false when they are not equal
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*/
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ISC_RUN_TEST_IMPL(sockaddr_eqaddrprefix) {
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struct in_addr ina_a;
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struct in_addr ina_b;
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struct in_addr ina_c;
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isc_sockaddr_t isa_a;
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isc_sockaddr_t isa_b;
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isc_sockaddr_t isa_c;
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UNUSED(state);
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assert_true(inet_pton(AF_INET, "194.100.32.87", &ina_a) >= 0);
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assert_true(inet_pton(AF_INET, "194.100.32.80", &ina_b) >= 0);
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assert_true(inet_pton(AF_INET, "194.101.32.87", &ina_c) >= 0);
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isc_sockaddr_fromin(&isa_a, &ina_a, 0);
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isc_sockaddr_fromin(&isa_b, &ina_b, 42);
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isc_sockaddr_fromin(&isa_c, &ina_c, 0);
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assert_true(isc_sockaddr_eqaddrprefix(&isa_a, &isa_b, 0));
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assert_true(isc_sockaddr_eqaddrprefix(&isa_a, &isa_b, 29));
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assert_true(isc_sockaddr_eqaddrprefix(&isa_a, &isa_c, 8));
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assert_false(isc_sockaddr_eqaddrprefix(&isa_a, &isa_b, 30));
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assert_false(isc_sockaddr_eqaddrprefix(&isa_a, &isa_b, 32));
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assert_false(isc_sockaddr_eqaddrprefix(&isa_a, &isa_c, 16));
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}
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ISC_TEST_LIST_START
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ISC_TEST_ENTRY(sockaddr_hash)
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ISC_TEST_ENTRY(sockaddr_isnetzero)
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ISC_TEST_ENTRY(sockaddr_eqaddrprefix)
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ISC_TEST_LIST_END
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ISC_TEST_MAIN
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