src/network/test-network.c

   1 /***
   2   This file is part of systemd.
   3
   4   Copyright 2013 Tom Gundersen <teg@jklm.no>
   5
   6   systemd is free software; you can redistribute it and/or modify it
   7   under the terms of the GNU Lesser General Public License as published by
   8   the Free Software Foundation; either version 2.1 of the License, or
   9   (at your option) any later version.
  10
  11   systemd is distributed in the hope that it will be useful, but
  12   WITHOUT ANY WARRANTY; without even the implied warranty of
  13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  14   Lesser General Public License for more details.
  15
  16   You should have received a copy of the GNU Lesser General Public License
  17   along with systemd; If not, see <http://www.gnu.org/licenses/>.
  18 ***/
  19
  20 #include "alloc-util.h"
  21 #include "dhcp-lease-internal.h"
  22 #include "network-internal.h"
  23 #include "networkd-manager.h"
  24
  25 static void test_deserialize_in_addr(void) {
  26         _cleanup_free_ struct in_addr *addresses = NULL;
  27         _cleanup_free_ struct in6_addr *addresses6 = NULL;
  28         struct in_addr  a, b, c;
  29         struct in6_addr d, e, f;
  30         int size;
  31         const char *addresses_string = "192.168.0.1 0:0:0:0:0:FFFF:204.152.189.116 192.168.0.2 ::1 192.168.0.3 1:0:0:0:0:0:0:8";
  32
  33         assert_se(inet_pton(AF_INET, "0:0:0:0:0:FFFF:204.152.189.116", &a) == 0);
  34         assert_se(inet_pton(AF_INET6, "192.168.0.1", &d) == 0);
  35
  36         assert_se(inet_pton(AF_INET, "192.168.0.1", &a) == 1);
  37         assert_se(inet_pton(AF_INET, "192.168.0.2", &b) == 1);
  38         assert_se(inet_pton(AF_INET, "192.168.0.3", &c) == 1);
  39         assert_se(inet_pton(AF_INET6, "0:0:0:0:0:FFFF:204.152.189.116", &d) == 1);
  40         assert_se(inet_pton(AF_INET6, "::1", &e) == 1);
  41         assert_se(inet_pton(AF_INET6, "1:0:0:0:0:0:0:8", &f) == 1);
  42
  43         assert_se((size = deserialize_in_addrs(&addresses, addresses_string)) >= 0);
  44         assert_se(size == 3);
  45         assert_se(!memcmp(&a, &addresses[0], sizeof(struct in_addr)));
  46         assert_se(!memcmp(&b, &addresses[1], sizeof(struct in_addr)));
  47         assert_se(!memcmp(&c, &addresses[2], sizeof(struct in_addr)));
  48
  49         assert_se((size = deserialize_in6_addrs(&addresses6, addresses_string)) >= 0);
  50         assert_se(size == 3);
  51         assert_se(!memcmp(&d, &addresses6[0], sizeof(struct in6_addr)));
  52         assert_se(!memcmp(&e, &addresses6[1], sizeof(struct in6_addr)));
  53         assert_se(!memcmp(&f, &addresses6[2], sizeof(struct in6_addr)));
  54 }
  55
  56 static void test_deserialize_dhcp_routes(void) {
  57         size_t size, allocated;
  58
  59         {
  60                 _cleanup_free_ struct sd_dhcp_route *routes = NULL;
  61                 assert_se(deserialize_dhcp_routes(&routes, &size, &allocated, "") >= 0);
  62                 assert_se(size == 0);
  63         }
  64
  65         {
  66                 /* no errors */
  67                 _cleanup_free_ struct sd_dhcp_route *routes = NULL;
  68                 const char *routes_string = "192.168.0.0/16,192.168.0.1 10.1.2.0/24,10.1.2.1 0.0.0.0/0,10.0.1.1";
  69
  70                 assert_se(deserialize_dhcp_routes(&routes, &size, &allocated, routes_string) >= 0);
  71
  72                 assert_se(size == 3);
  73                 assert_se(routes[0].dst_addr.s_addr == inet_addr("192.168.0.0"));
  74                 assert_se(routes[0].gw_addr.s_addr == inet_addr("192.168.0.1"));
  75                 assert_se(routes[0].dst_prefixlen == 16);
  76
  77                 assert_se(routes[1].dst_addr.s_addr == inet_addr("10.1.2.0"));
  78                 assert_se(routes[1].gw_addr.s_addr == inet_addr("10.1.2.1"));
  79                 assert_se(routes[1].dst_prefixlen == 24);
  80
  81                 assert_se(routes[2].dst_addr.s_addr == inet_addr("0.0.0.0"));
  82                 assert_se(routes[2].gw_addr.s_addr == inet_addr("10.0.1.1"));
  83                 assert_se(routes[2].dst_prefixlen == 0);
  84         }
  85
  86         {
  87                 /* error in second word */
  88                 _cleanup_free_ struct sd_dhcp_route *routes = NULL;
  89                 const char *routes_string = "192.168.0.0/16,192.168.0.1 10.1.2.0#24,10.1.2.1 0.0.0.0/0,10.0.1.1";
  90
  91                 assert_se(deserialize_dhcp_routes(&routes, &size, &allocated, routes_string) >= 0);
  92
  93                 assert_se(size == 2);
  94                 assert_se(routes[0].dst_addr.s_addr == inet_addr("192.168.0.0"));
  95                 assert_se(routes[0].gw_addr.s_addr == inet_addr("192.168.0.1"));
  96                 assert_se(routes[0].dst_prefixlen == 16);
  97
  98                 assert_se(routes[1].dst_addr.s_addr == inet_addr("0.0.0.0"));
  99                 assert_se(routes[1].gw_addr.s_addr == inet_addr("10.0.1.1"));
 100                 assert_se(routes[1].dst_prefixlen == 0);
 101         }
 102
 103         {
 104                 /* error in every word */
 105                 _cleanup_free_ struct sd_dhcp_route *routes = NULL;
 106                 const char *routes_string = "192.168.0.0/55,192.168.0.1 10.1.2.0#24,10.1.2.1 0.0.0.0/0,10.0.1.X";
 107
 108                 assert_se(deserialize_dhcp_routes(&routes, &size, &allocated, routes_string) >= 0);
 109                 assert_se(size == 0);
 110         }
 111 }
 112
 113 static int test_load_config(Manager *manager) {
 114         int r;
 115 /*  TODO: should_reload, is false if the config dirs do not exist, so
 116  *        so we can't do this test here, move it to a test for paths_check_timestamps
 117  *        directly
 118  *
 119  *        assert_se(network_should_reload(manager) == true);
 120 */
 121
 122         r = manager_load_config(manager);
 123         if (r == -EPERM)
 124                 return r;
 125         assert_se(r >= 0);
 126
 127         assert_se(manager_should_reload(manager) == false);
 128
 129         return 0;
 130 }
 131
 132 static void test_network_get(Manager *manager, struct udev_device *loopback) {
 133         Network *network;
 134         const struct ether_addr mac = {};
 135
 136         /* let's assume that the test machine does not have a .network file
 137            that applies to the loopback device... */
 138         assert_se(network_get(manager, loopback, "lo", &mac, &network) == -ENOENT);
 139         assert_se(!network);
 140 }
 141
 142 static void test_address_equality(void) {
 143         _cleanup_address_free_ Address *a1 = NULL, *a2 = NULL;
 144
 145         assert_se(address_new(&a1) >= 0);
 146         assert_se(address_new(&a2) >= 0);
 147
 148         assert_se(address_equal(NULL, NULL));
 149         assert_se(!address_equal(a1, NULL));
 150         assert_se(!address_equal(NULL, a2));
 151         assert_se(address_equal(a1, a2));
 152
 153         a1->family = AF_INET;
 154         assert_se(!address_equal(a1, a2));
 155
 156         a2->family = AF_INET;
 157         assert_se(address_equal(a1, a2));
 158
 159         assert_se(inet_pton(AF_INET, "192.168.3.9", &a1->in_addr.in));
 160         assert_se(!address_equal(a1, a2));
 161         assert_se(inet_pton(AF_INET, "192.168.3.9", &a2->in_addr.in));
 162         assert_se(address_equal(a1, a2));
 163         assert_se(inet_pton(AF_INET, "192.168.3.10", &a1->in_addr_peer.in));
 164         assert_se(address_equal(a1, a2));
 165         assert_se(inet_pton(AF_INET, "192.168.3.11", &a2->in_addr_peer.in));
 166         assert_se(address_equal(a1, a2));
 167         a1->prefixlen = 10;
 168         assert_se(!address_equal(a1, a2));
 169         a2->prefixlen = 10;
 170         assert_se(address_equal(a1, a2));
 171
 172         a1->family = AF_INET6;
 173         assert_se(!address_equal(a1, a2));
 174
 175         a2->family = AF_INET6;
 176         assert_se(inet_pton(AF_INET6, "2001:4ca0:4f01::2", &a1->in_addr.in6));
 177         assert_se(inet_pton(AF_INET6, "2001:4ca0:4f01::2", &a2->in_addr.in6));
 178         assert_se(address_equal(a1, a2));
 179
 180         a2->prefixlen = 8;
 181         assert_se(address_equal(a1, a2));
 182
 183         assert_se(inet_pton(AF_INET6, "2001:4ca0:4f01::1", &a2->in_addr.in6));
 184         assert_se(!address_equal(a1, a2));
 185 }
 186
 187 int main(void) {
 188         _cleanup_manager_free_ Manager *manager = NULL;
 189         sd_event *event;
 190         struct udev *udev;
 191         struct udev_device *loopback;
 192         int r;
 193
 194         test_deserialize_in_addr();
 195         test_deserialize_dhcp_routes();
 196         test_address_equality();
 197
 198         r = sd_event_default(&event);
 199         assert_se(r >= 0);
 200
 201         assert_se(manager_new(&manager, event) >= 0);
 202
 203         r = test_load_config(manager);
 204         if (r == -EPERM) {
 205                 sd_event_unref(event);
 206                 return EXIT_TEST_SKIP;
 207         }
 208
 209         udev = udev_new();
 210         assert_se(udev);
 211
 212         loopback = udev_device_new_from_syspath(udev, "/sys/class/net/lo");
 213         assert_se(loopback);
 214         assert_se(udev_device_get_ifindex(loopback) == 1);
 215
 216         test_network_get(manager, loopback);
 217
 218         assert_se(manager_rtnl_enumerate_links(manager) >= 0);
 219
 220         udev_device_unref(loopback);
 221         udev_unref(udev);
 222         sd_event_unref(event);
 223 }