// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2015 Red Hat, Inc. */ #include "nm-default.h" #include "n-acd/src/n-acd.h" #include "devices/nm-acd-manager.h" #include "platform/tests/test-common.h" #define IFACE_VETH0 "nm-test-veth0" #define IFACE_VETH1 "nm-test-veth1" #define ADDR1 0x01010101 #define ADDR2 0x02020202 #define ADDR3 0x03030303 #define ADDR4 0x04040404 /*****************************************************************************/ static gboolean _skip_acd_test_check (void) { NAcd *acd; NAcdConfig *config; const guint8 hwaddr[ETH_ALEN] = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06 }; int r; static int skip = -1; if (skip == -1) { r = n_acd_config_new (&config); g_assert (r == 0); n_acd_config_set_ifindex (config, 1); n_acd_config_set_transport (config, N_ACD_TRANSPORT_ETHERNET); n_acd_config_set_mac (config, hwaddr, sizeof (hwaddr)); r = n_acd_new (&acd, config); n_acd_config_free (config); if (r == 0) n_acd_unref (acd); skip = (r != 0); } return skip; } #define _skip_acd_test() \ ({ \ gboolean _skip = _skip_acd_test_check (); \ \ if (_skip) \ g_test_skip ("Cannot create NAcd. Running under valgind?"); \ _skip; \ }) /*****************************************************************************/ typedef struct { int ifindex0; int ifindex1; const guint8 *hwaddr0; const guint8 *hwaddr1; size_t hwaddr0_len; size_t hwaddr1_len; } test_fixture; static void fixture_setup (test_fixture *fixture, gconstpointer user_data) { /* create veth pair. */ fixture->ifindex0 = nmtstp_link_veth_add (NM_PLATFORM_GET, -1, IFACE_VETH0, IFACE_VETH1)->ifindex; fixture->ifindex1 = nmtstp_link_get_typed (NM_PLATFORM_GET, -1, IFACE_VETH1, NM_LINK_TYPE_VETH)->ifindex; g_assert (nm_platform_link_set_up (NM_PLATFORM_GET, fixture->ifindex0, NULL)); g_assert (nm_platform_link_set_up (NM_PLATFORM_GET, fixture->ifindex1, NULL)); fixture->hwaddr0 = nm_platform_link_get_address (NM_PLATFORM_GET, fixture->ifindex0, &fixture->hwaddr0_len); fixture->hwaddr1 = nm_platform_link_get_address (NM_PLATFORM_GET, fixture->ifindex1, &fixture->hwaddr1_len); } typedef struct { in_addr_t addresses[8]; in_addr_t peer_addresses[8]; gboolean expected_result[8]; } TestInfo; static void acd_manager_probe_terminated (NMAcdManager *acd_manager, gpointer user_data) { g_main_loop_quit (user_data); } static void test_acd_common (test_fixture *fixture, TestInfo *info) { nm_auto_free_acdmgr NMAcdManager *manager = NULL; nm_auto_unref_gmainloop GMainLoop *loop = NULL; int i; const guint WAIT_TIME_OPTIMISTIC = 50; guint wait_time; static const NMAcdCallbacks callbacks = { .probe_terminated_callback = acd_manager_probe_terminated, .user_data_destroy = (GDestroyNotify) g_main_loop_unref, }; int r; if (_skip_acd_test ()) return; /* first, try with a short waittime. We hope that this is long enough * to successfully complete the test. Only if that's not the case, we * assume the computer is currently busy (high load) and we retry with * a longer timeout. */ wait_time = WAIT_TIME_OPTIMISTIC; again: nm_clear_pointer (&loop, g_main_loop_unref); loop = g_main_loop_new (NULL, FALSE); nm_clear_pointer (&manager, nm_acd_manager_free); manager = nm_acd_manager_new (fixture->ifindex0, fixture->hwaddr0, fixture->hwaddr0_len, &callbacks, g_main_loop_ref (loop)); g_assert (manager != NULL); for (i = 0; info->addresses[i]; i++) g_assert (nm_acd_manager_add_address (manager, info->addresses[i])); for (i = 0; info->peer_addresses[i]; i++) { nmtstp_ip4_address_add (NULL, FALSE, fixture->ifindex1, info->peer_addresses[i], 24, 0, 3600, 1800, 0, NULL); } r = nm_acd_manager_start_probe (manager, wait_time); g_assert_cmpint (r, ==, 0); g_assert (nmtst_main_loop_run (loop, 2000)); for (i = 0; info->addresses[i]; i++) { gboolean val; char sbuf[NM_UTILS_INET_ADDRSTRLEN]; val = nm_acd_manager_check_address (manager, info->addresses[i]); if (val == info->expected_result[i]) continue; if (wait_time == WAIT_TIME_OPTIMISTIC) { /* probably we just had a glitch and the system took longer than * expected. Re-verify with a large timeout this time. */ wait_time = 1000; goto again; } g_error ("expected check for address #%d (%s) to %s, but it didn't", i, _nm_utils_inet4_ntop (info->addresses[i], sbuf), info->expected_result[i] ? "detect no duplicated" : "detect a duplicate"); } } static void test_acd_probe_1 (test_fixture *fixture, gconstpointer user_data) { TestInfo info = { .addresses = { ADDR1, ADDR2, ADDR3 }, .peer_addresses = { ADDR4 }, .expected_result = { TRUE, TRUE, TRUE } }; test_acd_common (fixture, &info); } static void test_acd_probe_2 (test_fixture *fixture, gconstpointer user_data) { TestInfo info = { .addresses = { ADDR1, ADDR2, ADDR3, ADDR4 }, .peer_addresses = { ADDR3, ADDR2 }, .expected_result = { TRUE, FALSE, FALSE, TRUE } }; test_acd_common (fixture, &info); } static void test_acd_announce (test_fixture *fixture, gconstpointer user_data) { nm_auto_free_acdmgr NMAcdManager *manager = NULL; nm_auto_unref_gmainloop GMainLoop *loop = NULL; int r; if (_skip_acd_test ()) return; manager = nm_acd_manager_new (fixture->ifindex0, fixture->hwaddr0, fixture->hwaddr0_len, NULL, NULL); g_assert (manager != NULL); g_assert (nm_acd_manager_add_address (manager, ADDR1)); g_assert (nm_acd_manager_add_address (manager, ADDR2)); loop = g_main_loop_new (NULL, FALSE); r = nm_acd_manager_announce_addresses (manager); g_assert_cmpint (r, ==, 0); g_assert (!nmtst_main_loop_run (loop, 200)); } static void fixture_teardown (test_fixture *fixture, gconstpointer user_data) { nm_platform_link_delete (NM_PLATFORM_GET, fixture->ifindex0); nm_platform_link_delete (NM_PLATFORM_GET, fixture->ifindex1); } NMTstpSetupFunc const _nmtstp_setup_platform_func = nm_linux_platform_setup; void _nmtstp_init_tests (int *argc, char ***argv) { nmtst_init_with_logging (argc, argv, NULL, "ALL"); } void _nmtstp_setup_tests (void) { g_test_add ("/acd/probe/1", test_fixture, NULL, fixture_setup, test_acd_probe_1, fixture_teardown); g_test_add ("/acd/probe/2", test_fixture, NULL, fixture_setup, test_acd_probe_2, fixture_teardown); g_test_add ("/acd/announce", test_fixture, NULL, fixture_setup, test_acd_announce, fixture_teardown); }