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-rw-r--r--tests/isc/netaddr_test.c145
1 files changed, 145 insertions, 0 deletions
diff --git a/tests/isc/netaddr_test.c b/tests/isc/netaddr_test.c
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+++ b/tests/isc/netaddr_test.c
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+/*
+ * 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 <inttypes.h>
+#include <sched.h> /* IWYU pragma: keep */
+#include <setjmp.h>
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define UNIT_TESTING
+#include <cmocka.h>
+
+#include <isc/netaddr.h>
+#include <isc/sockaddr.h>
+#include <isc/util.h>
+
+#include <tests/isc.h>
+
+/* 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