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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
24852172 | 2 | /*** |
810adae9 | 3 | Copyright © 2017 Intel Corporation. All rights reserved. |
24852172 PF |
4 | ***/ |
5 | ||
6 | #include <netinet/icmp6.h> | |
7 | #include <arpa/inet.h> | |
ca78ad1d | 8 | #include <unistd.h> |
24852172 PF |
9 | |
10 | #include "sd-radv.h" | |
11 | ||
12 | #include "alloc-util.h" | |
13 | #include "hexdecoct.h" | |
14 | #include "icmp6-util.h" | |
15 | #include "socket-util.h" | |
16 | #include "strv.h" | |
6d7c4033 | 17 | #include "tests.h" |
24852172 PF |
18 | |
19 | static struct ether_addr mac_addr = { | |
20 | .ether_addr_octet = { 0x78, 0x2b, 0xcb, 0xb3, 0x6d, 0x53 } | |
21 | }; | |
22 | ||
23 | static uint8_t advertisement[] = { | |
24 | /* ICMPv6 Router Advertisement, no checksum */ | |
25 | 0x86, 0x00, 0x00, 0x00, 0x40, 0xc0, 0x00, 0xb4, | |
26 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
27 | /* Source Link Layer Address Option */ | |
28 | 0x01, 0x01, 0x78, 0x2b, 0xcb, 0xb3, 0x6d, 0x53, | |
29 | /* Prefix Information Option */ | |
30 | 0x03, 0x04, 0x40, 0xc0, 0x00, 0x00, 0x01, 0xf4, | |
31 | 0x00, 0x00, 0x01, 0xb8, 0x00, 0x00, 0x00, 0x00, | |
32 | 0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, 0xbe, 0xef, | |
33 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
34 | /* Prefix Information Option */ | |
35 | 0x03, 0x04, 0x40, 0xc0, 0x00, 0x27, 0x8d, 0x00, | |
36 | 0x00, 0x09, 0x3a, 0x80, 0x00, 0x00, 0x00, 0x00, | |
37 | 0x20, 0x01, 0x0d, 0xb8, 0x0b, 0x16, 0xd0, 0x0d, | |
38 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
39 | /* Prefix Information Option */ | |
40 | 0x03, 0x04, 0x30, 0xc0, 0x00, 0x27, 0x8d, 0x00, | |
41 | 0x00, 0x09, 0x3a, 0x80, 0x00, 0x00, 0x00, 0x00, | |
42 | 0x20, 0x01, 0x0d, 0xb8, 0xc0, 0x01, 0x0d, 0xad, | |
43 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
06e6c805 | 44 | /* Recursive DNS Server Option */ |
24852172 PF |
45 | 0x19, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3c, |
46 | 0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, 0xbe, 0xef, | |
47 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, | |
fa178dd2 | 48 | /* DNS Search List Option */ |
24852172 PF |
49 | 0x1f, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3c, |
50 | 0x03, 0x6c, 0x61, 0x62, 0x05, 0x69, 0x6e, 0x74, | |
51 | 0x72, 0x61, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
52 | }; | |
53 | ||
54 | static sd_event_source *test_hangcheck; | |
55 | static bool test_stopped; | |
56 | static int test_fd[2]; | |
57 | static sd_event_source *recv_router_advertisement; | |
58 | static struct { | |
59 | struct in6_addr address; | |
60 | unsigned char prefixlen; | |
61 | uint32_t valid; | |
62 | uint32_t preferred; | |
63 | bool succesful; | |
64 | } prefix[] = { | |
65 | { { { { 0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, 0xbe, 0xef, | |
66 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, 64, | |
67 | 500, 440, true }, | |
68 | { { { { 0x20, 0x01, 0x0d, 0xb8, 0x0b, 0x16, 0xd0, 0x0d, | |
69 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, 64, | |
70 | /* indicate default valid and preferred lifetimes for the test code */ | |
71 | 0, 0, true }, | |
72 | { { { { 0x20, 0x01, 0x0d, 0xb8, 0x0b, 0x16, 0xd0, 0x0d, | |
73 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, 58, | |
74 | 0, 0, | |
75 | /* indicate that this prefix already exists */ | |
76 | false }, | |
77 | { { { { 0x20, 0x01, 0x0d, 0xb8, 0x0b, 0x16, 0xd0, 0x0d, | |
78 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, 120, | |
79 | 0, 0, | |
80 | /* indicate that this prefix already exists */ | |
81 | false }, | |
82 | { { { { 0x20, 0x01, 0x0d, 0xb8, 0x0b, 0x16, 0xd0, 0x0d, | |
83 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, 12, | |
84 | 0, 0, | |
85 | /* indicate that this prefix already exists */ | |
86 | false }, | |
87 | { { { { 0x20, 0x01, 0x0d, 0xb8, 0xc0, 0x01, 0x0d, 0xad, | |
88 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, 48, | |
89 | 0, 0, true }, | |
90 | { { { { 0x20, 0x01, 0x0d, 0xb8, 0xc0, 0x01, 0x0d, 0xad, | |
91 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, 60, | |
92 | 0, 0, | |
93 | /* indicate that this prefix already exists */ | |
94 | false }, | |
95 | }; | |
96 | ||
06e6c805 PF |
97 | static const struct in6_addr test_rdnss = { { { 0x20, 0x01, 0x0d, 0xb8, |
98 | 0xde, 0xad, 0xbe, 0xef, | |
99 | 0x00, 0x00, 0x00, 0x00, | |
100 | 0x00, 0x00, 0x00, 0x01 } } }; | |
fa178dd2 PF |
101 | static const char *test_dnssl[] = { "lab.intra", |
102 | NULL }; | |
06e6c805 | 103 | |
24852172 PF |
104 | static int test_rs_hangcheck(sd_event_source *s, uint64_t usec, |
105 | void *userdata) { | |
106 | assert_se(false); | |
107 | ||
108 | return 0; | |
109 | } | |
110 | ||
111 | static void test_radv_prefix(void) { | |
112 | sd_radv_prefix *p; | |
113 | ||
114 | printf("* %s\n", __FUNCTION__); | |
115 | ||
116 | assert_se(sd_radv_prefix_new(&p) >= 0); | |
117 | ||
118 | assert_se(sd_radv_prefix_set_onlink(NULL, true) < 0); | |
119 | assert_se(sd_radv_prefix_set_onlink(p, true) >= 0); | |
120 | assert_se(sd_radv_prefix_set_onlink(p, false) >= 0); | |
121 | ||
122 | assert_se(sd_radv_prefix_set_address_autoconfiguration(NULL, true) < 0); | |
123 | assert_se(sd_radv_prefix_set_address_autoconfiguration(p, true) >= 0); | |
124 | assert_se(sd_radv_prefix_set_address_autoconfiguration(p, false) >= 0); | |
125 | ||
126 | assert_se(sd_radv_prefix_set_valid_lifetime(NULL, true) < 0); | |
127 | assert_se(sd_radv_prefix_set_valid_lifetime(p, ~0) >= 0); | |
128 | assert_se(sd_radv_prefix_set_valid_lifetime(p, 42) >= 0); | |
129 | assert_se(sd_radv_prefix_set_valid_lifetime(p, 0) >= 0); | |
130 | ||
131 | assert_se(sd_radv_prefix_set_preferred_lifetime(NULL, true) < 0); | |
132 | assert_se(sd_radv_prefix_set_preferred_lifetime(p, ~0) >= 0); | |
133 | assert_se(sd_radv_prefix_set_preferred_lifetime(p, 42) >= 0); | |
134 | assert_se(sd_radv_prefix_set_preferred_lifetime(p, 0) >= 0); | |
135 | ||
136 | assert_se(sd_radv_prefix_set_prefix(NULL, NULL, 0) < 0); | |
137 | assert_se(sd_radv_prefix_set_prefix(p, NULL, 0) < 0); | |
138 | ||
139 | assert_se(sd_radv_prefix_set_prefix(p, &prefix[0].address, 64) >= 0); | |
140 | assert_se(sd_radv_prefix_set_prefix(p, &prefix[0].address, 0) < 0); | |
141 | assert_se(sd_radv_prefix_set_prefix(p, &prefix[0].address, 1) < 0); | |
142 | assert_se(sd_radv_prefix_set_prefix(p, &prefix[0].address, 2) < 0); | |
143 | assert_se(sd_radv_prefix_set_prefix(p, &prefix[0].address, 3) >= 0); | |
144 | assert_se(sd_radv_prefix_set_prefix(p, &prefix[0].address, 125) >= 0); | |
145 | assert_se(sd_radv_prefix_set_prefix(p, &prefix[0].address, 128) >= 0); | |
146 | assert_se(sd_radv_prefix_set_prefix(p, &prefix[0].address, 129) < 0); | |
147 | assert_se(sd_radv_prefix_set_prefix(p, &prefix[0].address, 255) < 0); | |
148 | ||
149 | p = sd_radv_prefix_unref(p); | |
150 | assert_se(!p); | |
151 | } | |
152 | ||
153 | static void test_radv(void) { | |
154 | sd_radv *ra; | |
155 | ||
156 | printf("* %s\n", __FUNCTION__); | |
157 | ||
158 | assert_se(sd_radv_new(&ra) >= 0); | |
159 | assert_se(ra); | |
160 | ||
161 | assert_se(sd_radv_set_ifindex(NULL, 0) < 0); | |
162 | assert_se(sd_radv_set_ifindex(ra, 0) >= 0); | |
163 | assert_se(sd_radv_set_ifindex(ra, -1) >= 0); | |
164 | assert_se(sd_radv_set_ifindex(ra, -2) < 0); | |
165 | assert_se(sd_radv_set_ifindex(ra, 42) >= 0); | |
166 | ||
167 | assert_se(sd_radv_set_mac(NULL, NULL) < 0); | |
168 | assert_se(sd_radv_set_mac(ra, NULL) >= 0); | |
169 | assert_se(sd_radv_set_mac(ra, &mac_addr) >= 0); | |
170 | ||
171 | assert_se(sd_radv_set_mtu(NULL, 0) < 0); | |
172 | assert_se(sd_radv_set_mtu(ra, 0) < 0); | |
173 | assert_se(sd_radv_set_mtu(ra, 1279) < 0); | |
174 | assert_se(sd_radv_set_mtu(ra, 1280) >= 0); | |
175 | assert_se(sd_radv_set_mtu(ra, ~0) >= 0); | |
176 | ||
177 | assert_se(sd_radv_set_hop_limit(NULL, 0) < 0); | |
178 | assert_se(sd_radv_set_hop_limit(ra, 0) >= 0); | |
179 | assert_se(sd_radv_set_hop_limit(ra, ~0) >= 0); | |
180 | ||
181 | assert_se(sd_radv_set_router_lifetime(NULL, 0) < 0); | |
182 | assert_se(sd_radv_set_router_lifetime(ra, 0) >= 0); | |
183 | assert_se(sd_radv_set_router_lifetime(ra, ~0) >= 0); | |
184 | ||
185 | assert_se(sd_radv_set_preference(NULL, 0) < 0); | |
186 | assert_se(sd_radv_set_preference(ra, SD_NDISC_PREFERENCE_LOW) >= 0); | |
187 | assert_se(sd_radv_set_preference(ra, SD_NDISC_PREFERENCE_MEDIUM) >= 0); | |
188 | assert_se(sd_radv_set_preference(ra, SD_NDISC_PREFERENCE_HIGH) >= 0); | |
189 | assert_se(sd_radv_set_preference(ra, ~0) < 0); | |
190 | ||
191 | assert_se(sd_radv_set_preference(ra, SD_NDISC_PREFERENCE_HIGH) >= 0); | |
192 | assert_se(sd_radv_set_router_lifetime(ra, 42000) >= 0); | |
193 | assert_se(sd_radv_set_router_lifetime(ra, 0) < 0); | |
194 | assert_se(sd_radv_set_preference(ra, SD_NDISC_PREFERENCE_MEDIUM) >= 0); | |
195 | assert_se(sd_radv_set_router_lifetime(ra, 0) >= 0); | |
196 | ||
197 | assert_se(sd_radv_set_managed_information(NULL, true) < 0); | |
198 | assert_se(sd_radv_set_managed_information(ra, true) >= 0); | |
199 | assert_se(sd_radv_set_managed_information(ra, false) >= 0); | |
200 | ||
201 | assert_se(sd_radv_set_other_information(NULL, true) < 0); | |
202 | assert_se(sd_radv_set_other_information(ra, true) >= 0); | |
203 | assert_se(sd_radv_set_other_information(ra, false) >= 0); | |
204 | ||
06e6c805 PF |
205 | assert_se(sd_radv_set_rdnss(NULL, 0, NULL, 0) < 0); |
206 | assert_se(sd_radv_set_rdnss(ra, 0, NULL, 0) >= 0); | |
207 | assert_se(sd_radv_set_rdnss(ra, 0, NULL, 128) < 0); | |
208 | assert_se(sd_radv_set_rdnss(ra, 600, &test_rdnss, 0) >= 0); | |
209 | assert_se(sd_radv_set_rdnss(ra, 600, &test_rdnss, 1) >= 0); | |
210 | assert_se(sd_radv_set_rdnss(ra, 0, &test_rdnss, 1) >= 0); | |
211 | assert_se(sd_radv_set_rdnss(ra, 0, NULL, 0) >= 0); | |
212 | ||
fa178dd2 PF |
213 | assert_se(sd_radv_set_dnssl(ra, 0, NULL) >= 0); |
214 | assert_se(sd_radv_set_dnssl(ra, 600, NULL) >= 0); | |
215 | assert_se(sd_radv_set_dnssl(ra, 0, (char **)test_dnssl) >= 0); | |
216 | assert_se(sd_radv_set_dnssl(ra, 600, (char **)test_dnssl) >= 0); | |
217 | ||
24852172 PF |
218 | ra = sd_radv_unref(ra); |
219 | assert_se(!ra); | |
220 | } | |
221 | ||
222 | int icmp6_bind_router_solicitation(int index) { | |
223 | return -ENOSYS; | |
224 | } | |
225 | ||
226 | int icmp6_bind_router_advertisement(int index) { | |
227 | assert_se(index == 42); | |
228 | ||
229 | return test_fd[1]; | |
230 | } | |
231 | ||
232 | int icmp6_send_router_solicitation(int s, const struct ether_addr *ether_addr) { | |
233 | ||
234 | return 0; | |
235 | } | |
236 | ||
237 | int icmp6_receive(int fd, void *iov_base, size_t iov_len, | |
238 | struct in6_addr *dst, triple_timestamp *timestamp) { | |
239 | assert_se(read (fd, iov_base, iov_len) == (ssize_t)iov_len); | |
240 | ||
241 | if (timestamp) | |
242 | triple_timestamp_get(timestamp); | |
243 | ||
244 | return 0; | |
245 | } | |
246 | ||
247 | static int radv_recv(sd_event_source *s, int fd, uint32_t revents, void *userdata) { | |
248 | sd_radv *ra = userdata; | |
fa178dd2 | 249 | unsigned char buf[168]; |
24852172 PF |
250 | size_t i; |
251 | ||
ef51180b | 252 | assert_se(read(test_fd[0], &buf, sizeof(buf)) == sizeof(buf)); |
24852172 PF |
253 | |
254 | /* router lifetime must be zero when test is stopped */ | |
255 | if (test_stopped) { | |
256 | advertisement[6] = 0x00; | |
257 | advertisement[7] = 0x00; | |
258 | } | |
259 | ||
260 | printf ("Received Router Advertisement with lifetime %u\n", | |
261 | (advertisement[6] << 8) + advertisement[7]); | |
262 | ||
263 | /* test only up to buf size, rest is not yet implemented */ | |
264 | for (i = 0; i < sizeof(buf); i++) { | |
06e6c805 PF |
265 | if (!(i % 8)) |
266 | printf("%3zd: ", i); | |
267 | ||
24852172 PF |
268 | printf("0x%02x", buf[i]); |
269 | ||
270 | assert_se(buf[i] == advertisement[i]); | |
271 | ||
272 | if ((i + 1) % 8) | |
273 | printf(", "); | |
274 | else | |
275 | printf("\n"); | |
276 | } | |
277 | ||
278 | if (test_stopped) { | |
279 | sd_event *e; | |
280 | ||
281 | e = sd_radv_get_event(ra); | |
282 | sd_event_exit(e, 0); | |
283 | ||
284 | return 0; | |
285 | } | |
286 | ||
287 | assert_se(sd_radv_stop(ra) >= 0); | |
288 | test_stopped = true; | |
289 | ||
290 | return 0; | |
291 | } | |
292 | ||
293 | static void test_ra(void) { | |
294 | sd_event *e; | |
295 | sd_radv *ra; | |
296 | usec_t time_now = now(clock_boottime_or_monotonic()); | |
14cb109d | 297 | unsigned i; |
24852172 PF |
298 | |
299 | printf("* %s\n", __FUNCTION__); | |
300 | ||
3e29b889 | 301 | assert_se(socketpair(AF_UNIX, SOCK_SEQPACKET | SOCK_CLOEXEC | SOCK_NONBLOCK, 0, test_fd) >= 0); |
24852172 PF |
302 | |
303 | assert_se(sd_event_new(&e) >= 0); | |
304 | ||
305 | assert_se(sd_radv_new(&ra) >= 0); | |
306 | assert_se(ra); | |
307 | ||
308 | assert_se(sd_radv_attach_event(ra, e, 0) >= 0); | |
309 | ||
310 | assert_se(sd_radv_set_ifindex(ra, 42) >= 0); | |
311 | assert_se(sd_radv_set_mac(ra, &mac_addr) >= 0); | |
312 | assert_se(sd_radv_set_router_lifetime(ra, 180) >= 0); | |
313 | assert_se(sd_radv_set_hop_limit(ra, 64) >= 0); | |
314 | assert_se(sd_radv_set_managed_information(ra, true) >= 0); | |
315 | assert_se(sd_radv_set_other_information(ra, true) >= 0); | |
06e6c805 | 316 | assert_se(sd_radv_set_rdnss(ra, 60, &test_rdnss, 1) >= 0); |
fa178dd2 | 317 | assert_se(sd_radv_set_dnssl(ra, 60, (char **)test_dnssl) >= 0); |
24852172 PF |
318 | |
319 | for (i = 0; i < ELEMENTSOF(prefix); i++) { | |
320 | sd_radv_prefix *p; | |
321 | ||
322 | printf("Test prefix %u\n", i); | |
323 | assert_se(sd_radv_prefix_new(&p) >= 0); | |
324 | ||
325 | assert_se(sd_radv_prefix_set_prefix(p, &prefix[i].address, | |
326 | prefix[i].prefixlen) >= 0); | |
327 | if (prefix[i].valid) | |
328 | assert_se(sd_radv_prefix_set_valid_lifetime(p, prefix[i].valid) >= 0); | |
329 | if (prefix[i].preferred) | |
330 | assert_se(sd_radv_prefix_set_preferred_lifetime(p, prefix[i].preferred) >= 0); | |
331 | ||
d601b566 PF |
332 | assert_se((sd_radv_add_prefix(ra, p, false) >= 0) == prefix[i].succesful); |
333 | assert_se(sd_radv_add_prefix(ra, p, false) < 0); | |
24852172 PF |
334 | |
335 | p = sd_radv_prefix_unref(p); | |
336 | assert_se(!p); | |
337 | } | |
338 | ||
339 | assert_se(sd_event_add_io(e, &recv_router_advertisement, test_fd[0], | |
340 | EPOLLIN, radv_recv, ra) >= 0); | |
341 | ||
342 | assert_se(sd_event_add_time(e, &test_hangcheck, clock_boottime_or_monotonic(), | |
343 | time_now + 2 *USEC_PER_SEC, 0, | |
344 | test_rs_hangcheck, NULL) >= 0); | |
345 | ||
346 | assert_se(sd_radv_start(ra) >= 0); | |
347 | ||
348 | sd_event_loop(e); | |
349 | ||
350 | test_hangcheck = sd_event_source_unref(test_hangcheck); | |
351 | ||
352 | ra = sd_radv_unref(ra); | |
353 | assert_se(!ra); | |
354 | ||
355 | close(test_fd[0]); | |
356 | ||
357 | sd_event_unref(e); | |
358 | } | |
359 | ||
360 | int main(int argc, char *argv[]) { | |
361 | ||
6d7c4033 | 362 | test_setup_logging(LOG_DEBUG); |
24852172 PF |
363 | |
364 | test_radv_prefix(); | |
365 | test_radv(); | |
366 | test_ra(); | |
367 | ||
368 | printf("* done\n"); | |
369 | return 0; | |
370 | } |