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https://github.com/isc-projects/bind9.git
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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.
146 lines
3.7 KiB
C
146 lines
3.7 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 <stdio.h>
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#include <stdlib.h>
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#include <string.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 isc_netaddr_isnetzero() */
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ISC_RUN_TEST_IMPL(netaddr_isnetzero) {
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unsigned int i;
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struct in_addr ina;
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struct {
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const char *address;
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bool expect;
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} tests[] = { { "0.0.0.0", true }, { "0.0.0.1", true },
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{ "0.0.1.2", true }, { "0.1.2.3", true },
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{ "10.0.0.0", false }, { "10.9.0.0", false },
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{ "10.9.8.0", false }, { "10.9.8.7", false },
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{ "127.0.0.0", false }, { "127.0.0.1", false } };
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isc_netaddr_t netaddr;
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UNUSED(state);
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for (i = 0; i < sizeof(tests) / sizeof(tests[0]); i++) {
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bool result;
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ina.s_addr = inet_addr(tests[i].address);
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isc_netaddr_fromin(&netaddr, &ina);
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result = isc_netaddr_isnetzero(&netaddr);
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assert_int_equal(result, tests[i].expect);
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}
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}
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/* test isc_netaddr_masktoprefixlen() calculates correct prefix lengths */
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ISC_RUN_TEST_IMPL(netaddr_masktoprefixlen) {
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struct in_addr na_a;
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struct in_addr na_b;
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struct in_addr na_c;
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struct in_addr na_d;
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isc_netaddr_t ina_a;
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isc_netaddr_t ina_b;
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isc_netaddr_t ina_c;
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isc_netaddr_t ina_d;
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unsigned int plen;
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UNUSED(state);
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assert_true(inet_pton(AF_INET, "0.0.0.0", &na_a) >= 0);
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assert_true(inet_pton(AF_INET, "255.255.255.254", &na_b) >= 0);
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assert_true(inet_pton(AF_INET, "255.255.255.255", &na_c) >= 0);
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assert_true(inet_pton(AF_INET, "255.255.255.0", &na_d) >= 0);
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isc_netaddr_fromin(&ina_a, &na_a);
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isc_netaddr_fromin(&ina_b, &na_b);
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isc_netaddr_fromin(&ina_c, &na_c);
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isc_netaddr_fromin(&ina_d, &na_d);
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assert_int_equal(isc_netaddr_masktoprefixlen(&ina_a, &plen),
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ISC_R_SUCCESS);
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assert_int_equal(plen, 0);
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assert_int_equal(isc_netaddr_masktoprefixlen(&ina_b, &plen),
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ISC_R_SUCCESS);
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assert_int_equal(plen, 31);
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assert_int_equal(isc_netaddr_masktoprefixlen(&ina_c, &plen),
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ISC_R_SUCCESS);
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assert_int_equal(plen, 32);
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assert_int_equal(isc_netaddr_masktoprefixlen(&ina_d, &plen),
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ISC_R_SUCCESS);
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assert_int_equal(plen, 24);
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}
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/* check multicast addresses are detected properly */
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ISC_RUN_TEST_IMPL(netaddr_multicast) {
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unsigned int i;
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struct {
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int family;
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const char *addr;
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bool is_multicast;
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} tests[] = {
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{ AF_INET, "1.2.3.4", false }, { AF_INET, "4.3.2.1", false },
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{ AF_INET, "224.1.1.1", true }, { AF_INET, "1.1.1.244", false },
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{ AF_INET6, "::1", false }, { AF_INET6, "ff02::1", true }
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};
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UNUSED(state);
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for (i = 0; i < sizeof(tests) / sizeof(tests[0]); i++) {
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isc_netaddr_t na;
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struct in_addr in;
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struct in6_addr in6;
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int r;
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if (tests[i].family == AF_INET) {
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r = inet_pton(AF_INET, tests[i].addr,
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(unsigned char *)&in);
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assert_int_equal(r, 1);
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isc_netaddr_fromin(&na, &in);
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} else {
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r = inet_pton(AF_INET6, tests[i].addr,
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(unsigned char *)&in6);
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assert_int_equal(r, 1);
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isc_netaddr_fromin6(&na, &in6);
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}
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assert_int_equal(isc_netaddr_ismulticast(&na),
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tests[i].is_multicast);
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}
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}
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ISC_TEST_LIST_START
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ISC_TEST_ENTRY(netaddr_isnetzero)
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ISC_TEST_ENTRY(netaddr_masktoprefixlen)
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ISC_TEST_ENTRY(netaddr_multicast)
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ISC_TEST_LIST_END
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ISC_TEST_MAIN
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