src/network/test-network.c

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