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 1 : static void test_deserialize_in_addr(void) {
17 1 : _cleanup_free_ struct in_addr *addresses = NULL;
18 1 : _cleanup_free_ struct in6_addr *addresses6 = NULL;
19 : union in_addr_union a, b, c, d, e, f;
20 : int size;
21 1 : 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 1 : assert_se(in_addr_from_string(AF_INET, "0:0:0:0:0:FFFF:204.152.189.116", &a) < 0);
24 1 : assert_se(in_addr_from_string(AF_INET6, "192.168.0.1", &d) < 0);
25 :
26 1 : assert_se(in_addr_from_string(AF_INET, "192.168.0.1", &a) >= 0);
27 1 : assert_se(in_addr_from_string(AF_INET, "192.168.0.2", &b) >= 0);
28 1 : assert_se(in_addr_from_string(AF_INET, "192.168.0.3", &c) >= 0);
29 1 : assert_se(in_addr_from_string(AF_INET6, "0:0:0:0:0:FFFF:204.152.189.116", &d) >= 0);
30 1 : assert_se(in_addr_from_string(AF_INET6, "::1", &e) >= 0);
31 1 : assert_se(in_addr_from_string(AF_INET6, "1:0:0:0:0:0:0:8", &f) >= 0);
32 :
33 1 : assert_se((size = deserialize_in_addrs(&addresses, addresses_string)) >= 0);
34 1 : assert_se(size == 3);
35 1 : assert_se(in_addr_equal(AF_INET, &a, (union in_addr_union *) &addresses[0]));
36 1 : assert_se(in_addr_equal(AF_INET, &b, (union in_addr_union *) &addresses[1]));
37 1 : assert_se(in_addr_equal(AF_INET, &c, (union in_addr_union *) &addresses[2]));
38 :
39 1 : assert_se((size = deserialize_in6_addrs(&addresses6, addresses_string)) >= 0);
40 1 : assert_se(size == 3);
41 1 : assert_se(in_addr_equal(AF_INET6, &d, (union in_addr_union *) &addresses6[0]));
42 1 : assert_se(in_addr_equal(AF_INET6, &e, (union in_addr_union *) &addresses6[1]));
43 1 : assert_se(in_addr_equal(AF_INET6, &f, (union in_addr_union *) &addresses6[2]));
44 1 : }
45 :
46 1 : static void test_deserialize_dhcp_routes(void) {
47 : size_t size, allocated;
48 :
49 : {
50 1 : _cleanup_free_ struct sd_dhcp_route *routes = NULL;
51 1 : assert_se(deserialize_dhcp_routes(&routes, &size, &allocated, "") >= 0);
52 1 : assert_se(size == 0);
53 : }
54 :
55 : {
56 : /* no errors */
57 1 : _cleanup_free_ struct sd_dhcp_route *routes = NULL;
58 1 : 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 1 : assert_se(deserialize_dhcp_routes(&routes, &size, &allocated, routes_string) >= 0);
61 :
62 1 : assert_se(size == 3);
63 1 : assert_se(routes[0].dst_addr.s_addr == inet_addr("192.168.0.0"));
64 1 : assert_se(routes[0].gw_addr.s_addr == inet_addr("192.168.0.1"));
65 1 : assert_se(routes[0].dst_prefixlen == 16);
66 :
67 1 : assert_se(routes[1].dst_addr.s_addr == inet_addr("10.1.2.0"));
68 1 : assert_se(routes[1].gw_addr.s_addr == inet_addr("10.1.2.1"));
69 1 : assert_se(routes[1].dst_prefixlen == 24);
70 :
71 1 : assert_se(routes[2].dst_addr.s_addr == inet_addr("0.0.0.0"));
72 1 : assert_se(routes[2].gw_addr.s_addr == inet_addr("10.0.1.1"));
73 1 : assert_se(routes[2].dst_prefixlen == 0);
74 : }
75 :
76 : {
77 : /* error in second word */
78 1 : _cleanup_free_ struct sd_dhcp_route *routes = NULL;
79 1 : 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 1 : assert_se(deserialize_dhcp_routes(&routes, &size, &allocated, routes_string) >= 0);
82 :
83 1 : assert_se(size == 2);
84 1 : assert_se(routes[0].dst_addr.s_addr == inet_addr("192.168.0.0"));
85 1 : assert_se(routes[0].gw_addr.s_addr == inet_addr("192.168.0.1"));
86 1 : assert_se(routes[0].dst_prefixlen == 16);
87 :
88 1 : assert_se(routes[1].dst_addr.s_addr == inet_addr("0.0.0.0"));
89 1 : assert_se(routes[1].gw_addr.s_addr == inet_addr("10.0.1.1"));
90 1 : assert_se(routes[1].dst_prefixlen == 0);
91 : }
92 :
93 : {
94 : /* error in every word */
95 1 : _cleanup_free_ struct sd_dhcp_route *routes = NULL;
96 1 : 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 1 : assert_se(deserialize_dhcp_routes(&routes, &size, &allocated, routes_string) >= 0);
99 1 : assert_se(size == 0);
100 : }
101 1 : }
102 :
103 1 : 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 1 : r = manager_load_config(manager);
113 1 : if (r == -EPERM)
114 0 : return r;
115 1 : assert_se(r >= 0);
116 :
117 1 : assert_se(manager_should_reload(manager) == false);
118 :
119 1 : return 0;
120 : }
121 :
122 1 : static void test_network_get(Manager *manager, sd_device *loopback) {
123 : Network *network;
124 1 : 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 1 : assert_se(network_get(manager, loopback, "lo", &mac, &network) == -ENOENT);
129 1 : assert_se(!network);
130 1 : }
131 :
132 1 : static void test_address_equality(void) {
133 1 : _cleanup_(address_freep) Address *a1 = NULL, *a2 = NULL;
134 :
135 1 : assert_se(address_new(&a1) >= 0);
136 1 : assert_se(address_new(&a2) >= 0);
137 :
138 1 : assert_se(address_equal(NULL, NULL));
139 1 : assert_se(!address_equal(a1, NULL));
140 1 : assert_se(!address_equal(NULL, a2));
141 1 : assert_se(address_equal(a1, a2));
142 :
143 1 : a1->family = AF_INET;
144 1 : assert_se(!address_equal(a1, a2));
145 :
146 1 : a2->family = AF_INET;
147 1 : assert_se(address_equal(a1, a2));
148 :
149 1 : assert_se(in_addr_from_string(AF_INET, "192.168.3.9", &a1->in_addr) >= 0);
150 1 : assert_se(!address_equal(a1, a2));
151 1 : assert_se(in_addr_from_string(AF_INET, "192.168.3.9", &a2->in_addr) >= 0);
152 1 : assert_se(address_equal(a1, a2));
153 1 : assert_se(in_addr_from_string(AF_INET, "192.168.3.10", &a1->in_addr_peer) >= 0);
154 1 : assert_se(address_equal(a1, a2));
155 1 : assert_se(in_addr_from_string(AF_INET, "192.168.3.11", &a2->in_addr_peer) >= 0);
156 1 : assert_se(address_equal(a1, a2));
157 1 : a1->prefixlen = 10;
158 1 : assert_se(!address_equal(a1, a2));
159 1 : a2->prefixlen = 10;
160 1 : assert_se(address_equal(a1, a2));
161 :
162 1 : a1->family = AF_INET6;
163 1 : assert_se(!address_equal(a1, a2));
164 :
165 1 : a2->family = AF_INET6;
166 1 : assert_se(in_addr_from_string(AF_INET6, "2001:4ca0:4f01::2", &a1->in_addr) >= 0);
167 1 : assert_se(in_addr_from_string(AF_INET6, "2001:4ca0:4f01::2", &a2->in_addr) >= 0);
168 1 : assert_se(address_equal(a1, a2));
169 :
170 1 : a2->prefixlen = 8;
171 1 : assert_se(address_equal(a1, a2));
172 :
173 1 : assert_se(in_addr_from_string(AF_INET6, "2001:4ca0:4f01::1", &a2->in_addr) >= 0);
174 1 : assert_se(!address_equal(a1, a2));
175 1 : }
176 :
177 1 : static void test_dhcp_hostname_shorten_overlong(void) {
178 : int r;
179 :
180 : {
181 : /* simple hostname, no actions, no errors */
182 1 : _cleanup_free_ char *shortened = NULL;
183 1 : r = shorten_overlong("name1", &shortened);
184 1 : assert_se(r == 0);
185 1 : assert_se(streq("name1", shortened));
186 : }
187 :
188 : {
189 : /* simple fqdn, no actions, no errors */
190 1 : _cleanup_free_ char *shortened = NULL;
191 1 : r = shorten_overlong("name1.example.com", &shortened);
192 1 : assert_se(r == 0);
193 1 : assert_se(streq("name1.example.com", shortened));
194 : }
195 :
196 : {
197 : /* overlong fqdn, cut to first dot, no errors */
198 1 : _cleanup_free_ char *shortened = NULL;
199 1 : r = shorten_overlong("name1.test-dhcp-this-one-here-is-a-very-very-long-domain.example.com", &shortened);
200 1 : assert_se(r == 1);
201 1 : assert_se(streq("name1", shortened));
202 : }
203 :
204 : {
205 : /* overlong hostname, cut to HOST_MAX_LEN, no errors */
206 1 : _cleanup_free_ char *shortened = NULL;
207 1 : r = shorten_overlong("test-dhcp-this-one-here-is-a-very-very-long-hostname-without-domainname", &shortened);
208 1 : assert_se(r == 1);
209 1 : 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 1 : _cleanup_free_ char *shortened = NULL;
215 1 : r = shorten_overlong(".test-dhcp-this-one-here-is-a-very-very-long-hostname.example.com", &shortened);
216 1 : assert_se(r == -EDOM);
217 1 : assert_se(shortened == NULL);
218 : }
219 :
220 1 : }
221 :
222 1 : int main(void) {
223 1 : _cleanup_(manager_freep) Manager *manager = NULL;
224 1 : _cleanup_(sd_device_unrefp) sd_device *loopback = NULL;
225 : int ifindex, r;
226 :
227 1 : test_setup_logging(LOG_INFO);
228 :
229 1 : test_deserialize_in_addr();
230 1 : test_deserialize_dhcp_routes();
231 1 : test_address_equality();
232 1 : test_dhcp_hostname_shorten_overlong();
233 :
234 1 : assert_se(manager_new(&manager) >= 0);
235 :
236 1 : r = test_load_config(manager);
237 1 : if (r == -EPERM)
238 0 : return log_tests_skipped("Cannot load configuration");
239 1 : assert_se(r == 0);
240 :
241 1 : assert_se(sd_device_new_from_syspath(&loopback, "/sys/class/net/lo") >= 0);
242 1 : assert_se(loopback);
243 1 : assert_se(sd_device_get_ifindex(loopback, &ifindex) >= 0);
244 1 : assert_se(ifindex == 1);
245 :
246 1 : test_network_get(manager, loopback);
247 :
248 1 : assert_se(manager_rtnl_enumerate_links(manager) >= 0);
249 : }
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