LCOV - code coverage report
Current view: top level - network - test-network.c (source / functions) Hit Total Coverage
Test: systemd_full.info Lines: 141 143 98.6 %
Date: 2019-08-23 13:36:53 Functions: 7 7 100.0 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 91 182 50.0 %

           Branch data     Line data    Source code
       1                 :            : /* SPDX-License-Identifier: LGPL-2.1+ */
       2                 :            : 
       3                 :            : #include <arpa/inet.h>
       4                 :            : #include <sys/param.h>
       5                 :            : 
       6                 :            : #include "sd-device.h"
       7                 :            : 
       8                 :            : #include "alloc-util.h"
       9                 :            : #include "dhcp-lease-internal.h"
      10                 :            : #include "hostname-util.h"
      11                 :            : #include "network-internal.h"
      12                 :            : #include "networkd-manager.h"
      13                 :            : #include "string-util.h"
      14                 :            : #include "tests.h"
      15                 :            : 
      16                 :          4 : static void test_deserialize_in_addr(void) {
      17                 :          4 :         _cleanup_free_ struct in_addr *addresses = NULL;
      18                 :          4 :         _cleanup_free_ struct in6_addr *addresses6 = NULL;
      19                 :            :         union in_addr_union a, b, c, d, e, f;
      20                 :            :         int size;
      21                 :          4 :         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";
      22                 :            : 
      23         [ -  + ]:          4 :         assert_se(in_addr_from_string(AF_INET, "0:0:0:0:0:FFFF:204.152.189.116", &a) < 0);
      24         [ -  + ]:          4 :         assert_se(in_addr_from_string(AF_INET6, "192.168.0.1", &d) < 0);
      25                 :            : 
      26         [ -  + ]:          4 :         assert_se(in_addr_from_string(AF_INET, "192.168.0.1", &a) >= 0);
      27         [ -  + ]:          4 :         assert_se(in_addr_from_string(AF_INET, "192.168.0.2", &b) >= 0);
      28         [ -  + ]:          4 :         assert_se(in_addr_from_string(AF_INET, "192.168.0.3", &c) >= 0);
      29         [ -  + ]:          4 :         assert_se(in_addr_from_string(AF_INET6, "0:0:0:0:0:FFFF:204.152.189.116", &d) >= 0);
      30         [ -  + ]:          4 :         assert_se(in_addr_from_string(AF_INET6, "::1", &e) >= 0);
      31         [ -  + ]:          4 :         assert_se(in_addr_from_string(AF_INET6, "1:0:0:0:0:0:0:8", &f) >= 0);
      32                 :            : 
      33         [ -  + ]:          4 :         assert_se((size = deserialize_in_addrs(&addresses, addresses_string)) >= 0);
      34         [ -  + ]:          4 :         assert_se(size == 3);
      35         [ -  + ]:          4 :         assert_se(in_addr_equal(AF_INET, &a, (union in_addr_union *) &addresses[0]));
      36         [ -  + ]:          4 :         assert_se(in_addr_equal(AF_INET, &b, (union in_addr_union *) &addresses[1]));
      37         [ -  + ]:          4 :         assert_se(in_addr_equal(AF_INET, &c, (union in_addr_union *) &addresses[2]));
      38                 :            : 
      39         [ -  + ]:          4 :         assert_se((size = deserialize_in6_addrs(&addresses6, addresses_string)) >= 0);
      40         [ -  + ]:          4 :         assert_se(size == 3);
      41         [ -  + ]:          4 :         assert_se(in_addr_equal(AF_INET6, &d, (union in_addr_union *) &addresses6[0]));
      42         [ -  + ]:          4 :         assert_se(in_addr_equal(AF_INET6, &e, (union in_addr_union *) &addresses6[1]));
      43         [ -  + ]:          4 :         assert_se(in_addr_equal(AF_INET6, &f, (union in_addr_union *) &addresses6[2]));
      44                 :          4 : }
      45                 :            : 
      46                 :          4 : static void test_deserialize_dhcp_routes(void) {
      47                 :            :         size_t size, allocated;
      48                 :            : 
      49                 :            :         {
      50                 :          4 :                 _cleanup_free_ struct sd_dhcp_route *routes = NULL;
      51         [ -  + ]:          4 :                 assert_se(deserialize_dhcp_routes(&routes, &size, &allocated, "") >= 0);
      52         [ -  + ]:          4 :                 assert_se(size == 0);
      53                 :            :         }
      54                 :            : 
      55                 :            :         {
      56                 :            :                 /* no errors */
      57                 :          4 :                 _cleanup_free_ struct sd_dhcp_route *routes = NULL;
      58                 :          4 :                 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";
      59                 :            : 
      60         [ -  + ]:          4 :                 assert_se(deserialize_dhcp_routes(&routes, &size, &allocated, routes_string) >= 0);
      61                 :            : 
      62         [ -  + ]:          4 :                 assert_se(size == 3);
      63         [ -  + ]:          4 :                 assert_se(routes[0].dst_addr.s_addr == inet_addr("192.168.0.0"));
      64         [ -  + ]:          4 :                 assert_se(routes[0].gw_addr.s_addr == inet_addr("192.168.0.1"));
      65         [ -  + ]:          4 :                 assert_se(routes[0].dst_prefixlen == 16);
      66                 :            : 
      67         [ -  + ]:          4 :                 assert_se(routes[1].dst_addr.s_addr == inet_addr("10.1.2.0"));
      68         [ -  + ]:          4 :                 assert_se(routes[1].gw_addr.s_addr == inet_addr("10.1.2.1"));
      69         [ -  + ]:          4 :                 assert_se(routes[1].dst_prefixlen == 24);
      70                 :            : 
      71         [ -  + ]:          4 :                 assert_se(routes[2].dst_addr.s_addr == inet_addr("0.0.0.0"));
      72         [ -  + ]:          4 :                 assert_se(routes[2].gw_addr.s_addr == inet_addr("10.0.1.1"));
      73         [ -  + ]:          4 :                 assert_se(routes[2].dst_prefixlen == 0);
      74                 :            :         }
      75                 :            : 
      76                 :            :         {
      77                 :            :                 /* error in second word */
      78                 :          4 :                 _cleanup_free_ struct sd_dhcp_route *routes = NULL;
      79                 :          4 :                 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";
      80                 :            : 
      81         [ -  + ]:          4 :                 assert_se(deserialize_dhcp_routes(&routes, &size, &allocated, routes_string) >= 0);
      82                 :            : 
      83         [ -  + ]:          4 :                 assert_se(size == 2);
      84         [ -  + ]:          4 :                 assert_se(routes[0].dst_addr.s_addr == inet_addr("192.168.0.0"));
      85         [ -  + ]:          4 :                 assert_se(routes[0].gw_addr.s_addr == inet_addr("192.168.0.1"));
      86         [ -  + ]:          4 :                 assert_se(routes[0].dst_prefixlen == 16);
      87                 :            : 
      88         [ -  + ]:          4 :                 assert_se(routes[1].dst_addr.s_addr == inet_addr("0.0.0.0"));
      89         [ -  + ]:          4 :                 assert_se(routes[1].gw_addr.s_addr == inet_addr("10.0.1.1"));
      90         [ -  + ]:          4 :                 assert_se(routes[1].dst_prefixlen == 0);
      91                 :            :         }
      92                 :            : 
      93                 :            :         {
      94                 :            :                 /* error in every word */
      95                 :          4 :                 _cleanup_free_ struct sd_dhcp_route *routes = NULL;
      96                 :          4 :                 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";
      97                 :            : 
      98         [ -  + ]:          4 :                 assert_se(deserialize_dhcp_routes(&routes, &size, &allocated, routes_string) >= 0);
      99         [ -  + ]:          4 :                 assert_se(size == 0);
     100                 :            :         }
     101                 :          4 : }
     102                 :            : 
     103                 :          4 : static int test_load_config(Manager *manager) {
     104                 :            :         int r;
     105                 :            : /*  TODO: should_reload, is false if the config dirs do not exist, so
     106                 :            :  *        so we can't do this test here, move it to a test for paths_check_timestamps
     107                 :            :  *        directly
     108                 :            :  *
     109                 :            :  *        assert_se(network_should_reload(manager) == true);
     110                 :            : */
     111                 :            : 
     112                 :          4 :         r = manager_load_config(manager);
     113         [ -  + ]:          4 :         if (r == -EPERM)
     114                 :          0 :                 return r;
     115         [ -  + ]:          4 :         assert_se(r >= 0);
     116                 :            : 
     117         [ -  + ]:          4 :         assert_se(manager_should_reload(manager) == false);
     118                 :            : 
     119                 :          4 :         return 0;
     120                 :            : }
     121                 :            : 
     122                 :          4 : static void test_network_get(Manager *manager, sd_device *loopback) {
     123                 :            :         Network *network;
     124                 :          4 :         const struct ether_addr mac = ETHER_ADDR_NULL;
     125                 :            : 
     126                 :            :         /* let's assume that the test machine does not have a .network file
     127                 :            :            that applies to the loopback device... */
     128         [ -  + ]:          4 :         assert_se(network_get(manager, loopback, "lo", &mac, &network) == -ENOENT);
     129         [ -  + ]:          4 :         assert_se(!network);
     130                 :          4 : }
     131                 :            : 
     132                 :          4 : static void test_address_equality(void) {
     133                 :          4 :         _cleanup_(address_freep) Address *a1 = NULL, *a2 = NULL;
     134                 :            : 
     135         [ -  + ]:          4 :         assert_se(address_new(&a1) >= 0);
     136         [ -  + ]:          4 :         assert_se(address_new(&a2) >= 0);
     137                 :            : 
     138         [ -  + ]:          4 :         assert_se(address_equal(NULL, NULL));
     139         [ -  + ]:          4 :         assert_se(!address_equal(a1, NULL));
     140         [ -  + ]:          4 :         assert_se(!address_equal(NULL, a2));
     141         [ -  + ]:          4 :         assert_se(address_equal(a1, a2));
     142                 :            : 
     143                 :          4 :         a1->family = AF_INET;
     144         [ -  + ]:          4 :         assert_se(!address_equal(a1, a2));
     145                 :            : 
     146                 :          4 :         a2->family = AF_INET;
     147         [ -  + ]:          4 :         assert_se(address_equal(a1, a2));
     148                 :            : 
     149         [ -  + ]:          4 :         assert_se(in_addr_from_string(AF_INET, "192.168.3.9", &a1->in_addr) >= 0);
     150         [ -  + ]:          4 :         assert_se(!address_equal(a1, a2));
     151         [ -  + ]:          4 :         assert_se(in_addr_from_string(AF_INET, "192.168.3.9", &a2->in_addr) >= 0);
     152         [ -  + ]:          4 :         assert_se(address_equal(a1, a2));
     153         [ -  + ]:          4 :         assert_se(in_addr_from_string(AF_INET, "192.168.3.10", &a1->in_addr_peer) >= 0);
     154         [ -  + ]:          4 :         assert_se(address_equal(a1, a2));
     155         [ -  + ]:          4 :         assert_se(in_addr_from_string(AF_INET, "192.168.3.11", &a2->in_addr_peer) >= 0);
     156         [ -  + ]:          4 :         assert_se(address_equal(a1, a2));
     157                 :          4 :         a1->prefixlen = 10;
     158         [ -  + ]:          4 :         assert_se(!address_equal(a1, a2));
     159                 :          4 :         a2->prefixlen = 10;
     160         [ -  + ]:          4 :         assert_se(address_equal(a1, a2));
     161                 :            : 
     162                 :          4 :         a1->family = AF_INET6;
     163         [ -  + ]:          4 :         assert_se(!address_equal(a1, a2));
     164                 :            : 
     165                 :          4 :         a2->family = AF_INET6;
     166         [ -  + ]:          4 :         assert_se(in_addr_from_string(AF_INET6, "2001:4ca0:4f01::2", &a1->in_addr) >= 0);
     167         [ -  + ]:          4 :         assert_se(in_addr_from_string(AF_INET6, "2001:4ca0:4f01::2", &a2->in_addr) >= 0);
     168         [ -  + ]:          4 :         assert_se(address_equal(a1, a2));
     169                 :            : 
     170                 :          4 :         a2->prefixlen = 8;
     171         [ -  + ]:          4 :         assert_se(address_equal(a1, a2));
     172                 :            : 
     173         [ -  + ]:          4 :         assert_se(in_addr_from_string(AF_INET6, "2001:4ca0:4f01::1", &a2->in_addr) >= 0);
     174         [ -  + ]:          4 :         assert_se(!address_equal(a1, a2));
     175                 :          4 : }
     176                 :            : 
     177                 :          4 : static void test_dhcp_hostname_shorten_overlong(void) {
     178                 :            :         int r;
     179                 :            : 
     180                 :            :         {
     181                 :            :                 /* simple hostname, no actions, no errors */
     182                 :          4 :                 _cleanup_free_ char *shortened = NULL;
     183                 :          4 :                 r = shorten_overlong("name1", &shortened);
     184         [ -  + ]:          4 :                 assert_se(r == 0);
     185         [ -  + ]:          4 :                 assert_se(streq("name1", shortened));
     186                 :            :         }
     187                 :            : 
     188                 :            :         {
     189                 :            :                 /* simple fqdn, no actions, no errors */
     190                 :          4 :                 _cleanup_free_ char *shortened = NULL;
     191                 :          4 :                 r = shorten_overlong("name1.example.com", &shortened);
     192         [ -  + ]:          4 :                 assert_se(r == 0);
     193         [ -  + ]:          4 :                 assert_se(streq("name1.example.com", shortened));
     194                 :            :         }
     195                 :            : 
     196                 :            :         {
     197                 :            :                 /* overlong fqdn, cut to first dot, no errors */
     198                 :          4 :                 _cleanup_free_ char *shortened = NULL;
     199                 :          4 :                 r = shorten_overlong("name1.test-dhcp-this-one-here-is-a-very-very-long-domain.example.com", &shortened);
     200         [ -  + ]:          4 :                 assert_se(r == 1);
     201         [ -  + ]:          4 :                 assert_se(streq("name1", shortened));
     202                 :            :         }
     203                 :            : 
     204                 :            :         {
     205                 :            :                 /* overlong hostname, cut to HOST_MAX_LEN, no errors */
     206                 :          4 :                 _cleanup_free_ char *shortened = NULL;
     207                 :          4 :                 r = shorten_overlong("test-dhcp-this-one-here-is-a-very-very-long-hostname-without-domainname", &shortened);
     208         [ -  + ]:          4 :                 assert_se(r == 1);
     209         [ -  + ]:          4 :                 assert_se(streq("test-dhcp-this-one-here-is-a-very-very-long-hostname-without-dom", shortened));
     210                 :            :         }
     211                 :            : 
     212                 :            :         {
     213                 :            :                 /* overlong fqdn, cut to first dot, empty result error */
     214                 :          4 :                 _cleanup_free_ char *shortened = NULL;
     215                 :          4 :                 r = shorten_overlong(".test-dhcp-this-one-here-is-a-very-very-long-hostname.example.com", &shortened);
     216         [ -  + ]:          4 :                 assert_se(r == -EDOM);
     217         [ -  + ]:          4 :                 assert_se(shortened == NULL);
     218                 :            :         }
     219                 :            : 
     220                 :          4 : }
     221                 :            : 
     222                 :          4 : int main(void) {
     223         [ +  - ]:          4 :         _cleanup_(manager_freep) Manager *manager = NULL;
     224         [ +  - ]:          4 :         _cleanup_(sd_device_unrefp) sd_device *loopback = NULL;
     225                 :            :         int ifindex, r;
     226                 :            : 
     227                 :          4 :         test_setup_logging(LOG_INFO);
     228                 :            : 
     229                 :          4 :         test_deserialize_in_addr();
     230                 :          4 :         test_deserialize_dhcp_routes();
     231                 :          4 :         test_address_equality();
     232                 :          4 :         test_dhcp_hostname_shorten_overlong();
     233                 :            : 
     234         [ -  + ]:          4 :         assert_se(manager_new(&manager) >= 0);
     235                 :            : 
     236                 :          4 :         r = test_load_config(manager);
     237         [ -  + ]:          4 :         if (r == -EPERM)
     238                 :          0 :                 return log_tests_skipped("Cannot load configuration");
     239         [ -  + ]:          4 :         assert_se(r == 0);
     240                 :            : 
     241         [ -  + ]:          4 :         assert_se(sd_device_new_from_syspath(&loopback, "/sys/class/net/lo") >= 0);
     242         [ -  + ]:          4 :         assert_se(loopback);
     243         [ -  + ]:          4 :         assert_se(sd_device_get_ifindex(loopback, &ifindex) >= 0);
     244         [ -  + ]:          4 :         assert_se(ifindex == 1);
     245                 :            : 
     246                 :          4 :         test_network_get(manager, loopback);
     247                 :            : 
     248         [ -  + ]:          4 :         assert_se(manager_rtnl_enumerate_links(manager) >= 0);
     249                 :            : }

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