/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */ /* * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * * Copyright (C) 2015 Red Hat, Inc. * */ #include "config.h" #include #include #include #include "test-common.h" #include "nm-platform.h" #include "nm-route-manager.h" #include "nm-logging.h" #include "nm-test-utils.h" typedef struct { int ifindex0, ifindex1; } test_fixture; static void setup_dev0_ip4 (int ifindex, guint mss_of_first_route, guint32 metric_of_second_route) { GArray *routes = g_array_new (FALSE, FALSE, sizeof (NMPlatformIP4Route)); NMPlatformIP4Route route = { 0 }; route.ifindex = ifindex; route.mss = 0; route.source = NM_IP_CONFIG_SOURCE_USER; inet_pton (AF_INET, "6.6.6.0", &route.network); route.plen = 24; route.gateway = INADDR_ANY; route.metric = 20; route.mss = mss_of_first_route; g_array_append_val (routes, route); route.source = NM_IP_CONFIG_SOURCE_USER; inet_pton (AF_INET, "7.0.0.0", &route.network); route.plen = 8; inet_pton (AF_INET, "6.6.6.1", &route.gateway); route.metric = metric_of_second_route; route.mss = 0; g_array_append_val (routes, route); nm_route_manager_ip4_route_sync (nm_route_manager_get (), ifindex, routes); g_array_free (routes, TRUE); } static void setup_dev1_ip4 (int ifindex) { GArray *routes = g_array_new (FALSE, FALSE, sizeof (NMPlatformIP4Route)); NMPlatformIP4Route route = { 0 }; route.ifindex = ifindex; route.mss = 0; /* Add some route outside of route manager. The route manager * should get rid of it upon sync. */ nm_platform_ip4_route_add (NM_PLATFORM_GET, route.ifindex, NM_IP_CONFIG_SOURCE_USER, nmtst_inet4_from_string ("9.0.0.0"), 8, INADDR_ANY, 0, 10, route.mss); route.source = NM_IP_CONFIG_SOURCE_USER; inet_pton (AF_INET, "6.6.6.0", &route.network); route.plen = 24; route.gateway = INADDR_ANY; route.metric = 20; g_array_append_val (routes, route); route.source = NM_IP_CONFIG_SOURCE_USER; inet_pton (AF_INET, "7.0.0.0", &route.network); route.plen = 8; route.gateway = INADDR_ANY; route.metric = 22; g_array_append_val (routes, route); route.source = NM_IP_CONFIG_SOURCE_USER; inet_pton (AF_INET, "8.0.0.0", &route.network); route.plen = 8; inet_pton (AF_INET, "6.6.6.2", &route.gateway); route.metric = 22; g_array_append_val (routes, route); nm_route_manager_ip4_route_sync (nm_route_manager_get (), ifindex, routes); g_array_free (routes, TRUE); } static void update_dev0_ip4 (int ifindex) { GArray *routes = g_array_new (FALSE, FALSE, sizeof (NMPlatformIP4Route)); NMPlatformIP4Route route = { 0 }; route.ifindex = ifindex; route.mss = 0; route.source = NM_IP_CONFIG_SOURCE_USER; inet_pton (AF_INET, "6.6.6.0", &route.network); route.plen = 24; route.gateway = INADDR_ANY; route.metric = 20; g_array_append_val (routes, route); route.source = NM_IP_CONFIG_SOURCE_USER; inet_pton (AF_INET, "7.0.0.0", &route.network); route.plen = 8; route.gateway = INADDR_ANY; route.metric = 21; g_array_append_val (routes, route); nm_route_manager_ip4_route_sync (nm_route_manager_get (), ifindex, routes); g_array_free (routes, TRUE); } static GArray * ip4_routes (test_fixture *fixture) { GArray *routes = nm_platform_ip4_route_get_all (NM_PLATFORM_GET, fixture->ifindex0, NM_PLATFORM_GET_ROUTE_MODE_NO_DEFAULT); GArray *routes1 = nm_platform_ip4_route_get_all (NM_PLATFORM_GET, fixture->ifindex1, NM_PLATFORM_GET_ROUTE_MODE_NO_DEFAULT); g_array_append_vals (routes, routes1->data, routes1->len); g_array_free (routes1, TRUE); return routes; } static void test_ip4 (test_fixture *fixture, gconstpointer user_data) { GArray *routes; NMPlatformIP4Route state1[] = { { .source = NM_IP_CONFIG_SOURCE_USER, .network = nmtst_inet4_from_string ("6.6.6.0"), .plen = 24, .ifindex = fixture->ifindex0, .gateway = INADDR_ANY, .metric = 20, .mss = 1000, .scope_inv = nm_platform_route_scope_inv (RT_SCOPE_LINK), }, { .source = NM_IP_CONFIG_SOURCE_USER, .network = nmtst_inet4_from_string ("7.0.0.0"), .plen = 8, .ifindex = fixture->ifindex0, .gateway = nmtst_inet4_from_string ("6.6.6.1"), .metric = 21021, .mss = 0, .scope_inv = nm_platform_route_scope_inv (RT_SCOPE_UNIVERSE), }, { .source = NM_IP_CONFIG_SOURCE_USER, .network = nmtst_inet4_from_string ("7.0.0.0"), .plen = 8, .ifindex = fixture->ifindex1, .gateway = INADDR_ANY, .metric = 22, .mss = 0, .scope_inv = nm_platform_route_scope_inv (RT_SCOPE_LINK), }, }; NMPlatformIP4Route state2[] = { { .source = NM_IP_CONFIG_SOURCE_USER, .network = nmtst_inet4_from_string ("6.6.6.0"), .plen = 24, .ifindex = fixture->ifindex0, .gateway = INADDR_ANY, .metric = 20, .mss = 0, .scope_inv = nm_platform_route_scope_inv (RT_SCOPE_LINK), }, { .source = NM_IP_CONFIG_SOURCE_USER, .network = nmtst_inet4_from_string ("7.0.0.0"), .plen = 8, .ifindex = fixture->ifindex0, .gateway = INADDR_ANY, .metric = 21, .mss = 0, .scope_inv = nm_platform_route_scope_inv (RT_SCOPE_LINK), }, { .source = NM_IP_CONFIG_SOURCE_USER, .network = nmtst_inet4_from_string ("7.0.0.0"), .plen = 8, .ifindex = fixture->ifindex1, .gateway = INADDR_ANY, .metric = 22, .mss = 0, .scope_inv = nm_platform_route_scope_inv (RT_SCOPE_LINK), }, }; NMPlatformIP4Route state3[] = { { .source = NM_IP_CONFIG_SOURCE_USER, .network = nmtst_inet4_from_string ("7.0.0.0"), .plen = 8, .ifindex = fixture->ifindex1, .gateway = INADDR_ANY, .metric = 22, .mss = 0, .scope_inv = nm_platform_route_scope_inv (RT_SCOPE_LINK), }, { .source = NM_IP_CONFIG_SOURCE_USER, .network = nmtst_inet4_from_string ("6.6.6.0"), .plen = 24, .ifindex = fixture->ifindex1, .gateway = INADDR_ANY, .metric = 20, .mss = 0, .scope_inv = nm_platform_route_scope_inv (RT_SCOPE_LINK), }, }; setup_dev0_ip4 (fixture->ifindex0, 1000, 21021); g_test_expect_message ("NetworkManager", G_LOG_LEVEL_WARNING, "*failure adding ip4-route '*: 8.0.0.0/8 22': *"); setup_dev1_ip4 (fixture->ifindex1); g_test_assert_expected_messages (); /* 6.6.6.0/24 on dev0 won over 6.6.6.0/24 on dev1 * 7.0.0.0/8 routes did not clash * 8.0.0.0/8 could not be added. */ routes = ip4_routes (fixture); g_assert_cmpint (routes->len, ==, G_N_ELEMENTS (state1)); nmtst_platform_ip4_routes_equal ((NMPlatformIP4Route *) routes->data, state1, routes->len, TRUE); g_array_free (routes, TRUE); g_test_expect_message ("NetworkManager", G_LOG_LEVEL_WARNING, "*failure adding ip4-route '*: 8.0.0.0/8 22': *"); setup_dev1_ip4 (fixture->ifindex1); g_test_assert_expected_messages (); setup_dev0_ip4 (fixture->ifindex0, 0, 21); /* Ensure nothing changed. */ routes = ip4_routes (fixture); g_assert_cmpint (routes->len, ==, G_N_ELEMENTS (state1)); state1[0].mss = 0; state1[1].metric = 21; nmtst_platform_ip4_routes_equal ((NMPlatformIP4Route *) routes->data, state1, routes->len, TRUE); g_array_free (routes, TRUE); update_dev0_ip4 (fixture->ifindex0); /* 7.0.0.0/8 on dev0 was updated for gateway removal*/ routes = ip4_routes (fixture); g_assert_cmpint (routes->len, ==, G_N_ELEMENTS (state2)); nmtst_platform_ip4_routes_equal ((NMPlatformIP4Route *) routes->data, state2, routes->len, TRUE); g_array_free (routes, TRUE); nm_route_manager_route_flush (nm_route_manager_get (), fixture->ifindex0); /* 6.6.6.0/24 is now on dev1 * 7.0.0.0/8 gone from dev0, still present on dev1 * 8.0.0.0/8 is present on dev1 now that 6.6.6.0/24 is on dev1 too * No dev0 routes left. */ routes = ip4_routes (fixture); g_assert_cmpint (routes->len, ==, G_N_ELEMENTS (state3)); nmtst_platform_ip4_routes_equal ((NMPlatformIP4Route *) routes->data, state3, routes->len, TRUE); g_array_free (routes, TRUE); nm_route_manager_route_flush (nm_route_manager_get (), fixture->ifindex1); /* No routes left. */ routes = ip4_routes (fixture); g_assert_cmpint (routes->len, ==, 0); g_array_free (routes, TRUE); } static void setup_dev0_ip6 (int ifindex) { GArray *routes = g_array_new (FALSE, FALSE, sizeof (NMPlatformIP6Route)); NMPlatformIP6Route *route; /* Add an address so that a route to the gateway below gets added. */ nm_platform_ip6_address_add (NM_PLATFORM_GET, ifindex, *nmtst_inet6_from_string ("2001:db8:8086::2"), in6addr_any, 64, 3600, 3600, 0); route = nmtst_platform_ip6_route_full ("2001:db8:8086::", 48, NULL, ifindex, NM_IP_CONFIG_SOURCE_USER, 20, 0); g_array_append_val (routes, *route); route = nmtst_platform_ip6_route_full ("2001:db8:1337::", 48, NULL, ifindex, NM_IP_CONFIG_SOURCE_USER, 0, 0); g_array_append_val (routes, *route); route = nmtst_platform_ip6_route_full ("2001:db8:abad:c0de::", 64, "2001:db8:8086::1", ifindex, NM_IP_CONFIG_SOURCE_USER, 21, 0); g_array_append_val (routes, *route); nm_route_manager_ip6_route_sync (nm_route_manager_get (), ifindex, routes); g_array_free (routes, TRUE); } static void setup_dev1_ip6 (int ifindex) { GArray *routes = g_array_new (FALSE, FALSE, sizeof (NMPlatformIP6Route)); NMPlatformIP6Route *route; /* Add some route outside of route manager. The route manager * should get rid of it upon sync. */ nm_platform_ip6_route_add (NM_PLATFORM_GET, ifindex, NM_IP_CONFIG_SOURCE_USER, *nmtst_inet6_from_string ("2001:db8:8088::"), 48, in6addr_any, 10, 0); route = nmtst_platform_ip6_route_full ("2001:db8:8086::", 48, NULL, ifindex, NM_IP_CONFIG_SOURCE_USER, 20, 0); g_array_append_val (routes, *route); route = nmtst_platform_ip6_route_full ("2001:db8:1337::", 48, NULL, ifindex, NM_IP_CONFIG_SOURCE_USER, 1024, 0); g_array_append_val (routes, *route); route = nmtst_platform_ip6_route_full ("2001:db8:d34d::", 64, "2001:db8:8086::2", ifindex, NM_IP_CONFIG_SOURCE_USER, 20, 0); g_array_append_val (routes, *route); route = nmtst_platform_ip6_route_full ("2001:db8:abad:c0de::", 64, NULL, ifindex, NM_IP_CONFIG_SOURCE_USER, 22, 0); g_array_append_val (routes, *route); nm_route_manager_ip6_route_sync (nm_route_manager_get (), ifindex, routes); g_array_free (routes, TRUE); } static void update_dev0_ip6 (int ifindex) { GArray *routes = g_array_new (FALSE, FALSE, sizeof (NMPlatformIP6Route)); NMPlatformIP6Route *route; /* Add an address so that a route to the gateway below gets added. */ nm_platform_ip6_address_add (NM_PLATFORM_GET, ifindex, *nmtst_inet6_from_string ("2001:db8:8086::2"), in6addr_any, 64, 3600, 3600, 0); route = nmtst_platform_ip6_route_full ("2001:db8:8086::", 48, NULL, ifindex, NM_IP_CONFIG_SOURCE_USER, 20, 0); g_array_append_val (routes, *route); route = nmtst_platform_ip6_route_full ("2001:db8:1337::", 48, NULL, ifindex, NM_IP_CONFIG_SOURCE_USER, 0, 0); g_array_append_val (routes, *route); route = nmtst_platform_ip6_route_full ("2001:db8:abad:c0de::", 64, NULL, ifindex, NM_IP_CONFIG_SOURCE_USER, 21, 0); g_array_append_val (routes, *route); nm_route_manager_ip6_route_sync (nm_route_manager_get (), ifindex, routes); g_array_free (routes, TRUE); } static GArray * ip6_routes (test_fixture *fixture) { GArray *routes = nm_platform_ip6_route_get_all (NM_PLATFORM_GET, fixture->ifindex0, NM_PLATFORM_GET_ROUTE_MODE_NO_DEFAULT); GArray *routes1 = nm_platform_ip6_route_get_all (NM_PLATFORM_GET, fixture->ifindex1, NM_PLATFORM_GET_ROUTE_MODE_NO_DEFAULT); g_array_append_vals (routes, routes1->data, routes1->len); g_array_free (routes1, TRUE); return routes; } static void test_ip6 (test_fixture *fixture, gconstpointer user_data) { GArray *routes; NMPlatformIP6Route state1[] = { { .source = NM_IP_CONFIG_SOURCE_USER, .network = *nmtst_inet6_from_string ("2001:db8:8086::"), .plen = 48, .ifindex = fixture->ifindex0, .gateway = in6addr_any, .metric = 20, .mss = 0, }, { .source = NM_IP_CONFIG_SOURCE_USER, .network = *nmtst_inet6_from_string ("2001:db8:1337::"), .plen = 48, .ifindex = fixture->ifindex0, .gateway = in6addr_any, .metric = 1024, .mss = 0, }, { .source = NM_IP_CONFIG_SOURCE_USER, .network = *nmtst_inet6_from_string ("2001:db8:abad:c0de::"), .plen = 64, .ifindex = fixture->ifindex0, .gateway = *nmtst_inet6_from_string ("2001:db8:8086::1"), .metric = 21, .mss = 0, }, { .source = NM_IP_CONFIG_SOURCE_USER, .network = *nmtst_inet6_from_string ("2001:db8:abad:c0de::"), .plen = 64, .ifindex = fixture->ifindex1, .gateway = in6addr_any, .metric = 22, .mss = 0, }, }; NMPlatformIP6Route state2[] = { { .source = NM_IP_CONFIG_SOURCE_USER, .network = *nmtst_inet6_from_string ("2001:db8:8086::"), .plen = 48, .ifindex = fixture->ifindex0, .gateway = in6addr_any, .metric = 20, .mss = 0, }, { .source = NM_IP_CONFIG_SOURCE_USER, .network = *nmtst_inet6_from_string ("2001:db8:1337::"), .plen = 48, .ifindex = fixture->ifindex0, .gateway = in6addr_any, .metric = 1024, .mss = 0, }, { .source = NM_IP_CONFIG_SOURCE_USER, .network = *nmtst_inet6_from_string ("2001:db8:abad:c0de::"), .plen = 64, .ifindex = fixture->ifindex0, .gateway = in6addr_any, .metric = 21, .mss = 0, }, { .source = NM_IP_CONFIG_SOURCE_USER, .network = *nmtst_inet6_from_string ("2001:db8:abad:c0de::"), .plen = 64, .ifindex = fixture->ifindex1, .gateway = in6addr_any, .metric = 22, .mss = 0, }, }; NMPlatformIP6Route state3[] = { { .source = NM_IP_CONFIG_SOURCE_USER, .network = *nmtst_inet6_from_string ("2001:db8:abad:c0de::"), .plen = 64, .ifindex = fixture->ifindex1, .gateway = in6addr_any, .metric = 22, .mss = 0, }, { .source = NM_IP_CONFIG_SOURCE_USER, .network = *nmtst_inet6_from_string ("2001:db8:8086::"), .plen = 48, .ifindex = fixture->ifindex1, .gateway = in6addr_any, .metric = 20, .mss = 0, }, { .source = NM_IP_CONFIG_SOURCE_USER, .network = *nmtst_inet6_from_string ("2001:db8:1337::"), .plen = 48, .ifindex = fixture->ifindex1, .gateway = in6addr_any, .metric = 1024, .mss = 0, }, }; setup_dev0_ip6 (fixture->ifindex0); g_test_expect_message ("NetworkManager", G_LOG_LEVEL_WARNING, "*failure adding ip6-route '*: 2001:db8:d34d::/64 20': *"); setup_dev1_ip6 (fixture->ifindex1); g_test_assert_expected_messages (); /* 2001:db8:8086::/48 on dev0 won over 2001:db8:8086::/48 on dev1 * 2001:db8:d34d::/64 on dev1 could not be added * 2001:db8:1337::/48 on dev0 won over 2001:db8:1337::/48 on dev1 and has metric 1024 * 2001:db8:abad:c0de::/64 routes did not clash */ routes = ip6_routes (fixture); g_assert_cmpint (routes->len, ==, G_N_ELEMENTS (state1)); nmtst_platform_ip6_routes_equal ((NMPlatformIP6Route *) routes->data, state1, routes->len, TRUE); g_array_free (routes, TRUE); g_test_expect_message ("NetworkManager", G_LOG_LEVEL_WARNING, "*failure adding ip6-route '*: 2001:db8:d34d::/64 20': *"); setup_dev1_ip6 (fixture->ifindex1); g_test_assert_expected_messages (); setup_dev0_ip6 (fixture->ifindex0); /* Ensure nothing changed. */ routes = ip6_routes (fixture); g_assert_cmpint (routes->len, ==, G_N_ELEMENTS (state1)); nmtst_platform_ip6_routes_equal ((NMPlatformIP6Route *) routes->data, state1, routes->len, TRUE); g_array_free (routes, TRUE); update_dev0_ip6 (fixture->ifindex0); /* 2001:db8:abad:c0de::/64 on dev0 was updated for gateway removal*/ routes = ip6_routes (fixture); g_assert_cmpint (routes->len, ==, G_N_ELEMENTS (state2)); nmtst_platform_ip6_routes_equal ((NMPlatformIP6Route *) routes->data, state2, routes->len, TRUE); g_array_free (routes, TRUE); nm_route_manager_route_flush (nm_route_manager_get (), fixture->ifindex0); /* 2001:db8:abad:c0de::/64 on dev1 is still there, went away from dev0 * 2001:db8:8086::/48 is now on dev1 * 2001:db8:1337::/48 is now on dev1, metric of 1024 still applies * 2001:db8:d34d::/64 is present now that 2001:db8:8086::/48 is on dev1 * No dev0 routes left. */ routes = ip6_routes (fixture); g_assert_cmpint (routes->len, ==, G_N_ELEMENTS (state3)); nmtst_platform_ip6_routes_equal ((NMPlatformIP6Route *) routes->data, state3, routes->len, TRUE); g_array_free (routes, TRUE); nm_route_manager_route_flush (nm_route_manager_get (), fixture->ifindex1); /* No routes left. */ routes = ip6_routes (fixture); g_assert_cmpint (routes->len, ==, 0); g_array_free (routes, TRUE); } static void fixture_setup (test_fixture *fixture, gconstpointer user_data) { SignalData *link_added; link_added = add_signal_ifname (NM_PLATFORM_SIGNAL_LINK_CHANGED, NM_PLATFORM_SIGNAL_ADDED, link_callback, "nm-test-device0"); nm_platform_link_delete (NM_PLATFORM_GET, nm_platform_link_get_ifindex (NM_PLATFORM_GET, "nm-test-device0")); g_assert (!nm_platform_link_exists (NM_PLATFORM_GET, "nm-test-device0")); g_assert (nm_platform_dummy_add (NM_PLATFORM_GET, "nm-test-device0", NULL)); accept_signal (link_added); free_signal (link_added); fixture->ifindex0 = nm_platform_link_get_ifindex (NM_PLATFORM_GET, "nm-test-device0"); g_assert (nm_platform_link_set_up (NM_PLATFORM_GET, fixture->ifindex0)); link_added = add_signal_ifname (NM_PLATFORM_SIGNAL_LINK_CHANGED, NM_PLATFORM_SIGNAL_ADDED, link_callback, "nm-test-device1"); nm_platform_link_delete (NM_PLATFORM_GET, nm_platform_link_get_ifindex (NM_PLATFORM_GET, "nm-test-device1")); g_assert (!nm_platform_link_exists (NM_PLATFORM_GET, "nm-test-device1")); g_assert (nm_platform_dummy_add (NM_PLATFORM_GET, "nm-test-device1", NULL)); accept_signal (link_added); free_signal (link_added); fixture->ifindex1 = nm_platform_link_get_ifindex (NM_PLATFORM_GET, "nm-test-device1"); g_assert (nm_platform_link_set_up (NM_PLATFORM_GET, fixture->ifindex1)); } 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); } void init_tests (int *argc, char ***argv) { nmtst_init_assert_logging (argc, argv, "WARN", "ALL"); } void setup_tests (void) { g_test_add ("/route-manager/ip4", test_fixture, NULL, fixture_setup, test_ip4, fixture_teardown); g_test_add ("/route-manager/ip6", test_fixture, NULL, fixture_setup, test_ip6, fixture_teardown); }