2 This file is part of systemd.
4 Copyright (C) 2017 Intel Corporation. All rights reserved.
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.
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.
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/>.
20 #include <netinet/icmp6.h>
21 #include <arpa/inet.h>
25 #include "alloc-util.h"
26 #include "hexdecoct.h"
27 #include "icmp6-util.h"
28 #include "socket-util.h"
31 static struct ether_addr mac_addr
= {
32 .ether_addr_octet
= { 0x78, 0x2b, 0xcb, 0xb3, 0x6d, 0x53 }
35 static uint8_t advertisement
[] = {
36 /* ICMPv6 Router Advertisement, no checksum */
37 0x86, 0x00, 0x00, 0x00, 0x40, 0xc0, 0x00, 0xb4,
38 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
39 /* Source Link Layer Address Option */
40 0x01, 0x01, 0x78, 0x2b, 0xcb, 0xb3, 0x6d, 0x53,
41 /* Prefix Information Option */
42 0x03, 0x04, 0x40, 0xc0, 0x00, 0x00, 0x01, 0xf4,
43 0x00, 0x00, 0x01, 0xb8, 0x00, 0x00, 0x00, 0x00,
44 0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, 0xbe, 0xef,
45 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
46 /* Prefix Information Option */
47 0x03, 0x04, 0x40, 0xc0, 0x00, 0x27, 0x8d, 0x00,
48 0x00, 0x09, 0x3a, 0x80, 0x00, 0x00, 0x00, 0x00,
49 0x20, 0x01, 0x0d, 0xb8, 0x0b, 0x16, 0xd0, 0x0d,
50 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
51 /* Prefix Information Option */
52 0x03, 0x04, 0x30, 0xc0, 0x00, 0x27, 0x8d, 0x00,
53 0x00, 0x09, 0x3a, 0x80, 0x00, 0x00, 0x00, 0x00,
54 0x20, 0x01, 0x0d, 0xb8, 0xc0, 0x01, 0x0d, 0xad,
55 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
56 /* Recursive DNS Server Option - not yet supported */
57 0x19, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3c,
58 0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, 0xbe, 0xef,
59 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
60 /* DNS Search List Option - not yet supported */
61 0x1f, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3c,
62 0x03, 0x6c, 0x61, 0x62, 0x05, 0x69, 0x6e, 0x74,
63 0x72, 0x61, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
66 static sd_event_source
*test_hangcheck
;
67 static bool test_stopped
;
68 static int test_fd
[2];
69 static sd_event_source
*recv_router_advertisement
;
71 struct in6_addr address
;
72 unsigned char prefixlen
;
77 { { { { 0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, 0xbe, 0xef,
78 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, 64,
80 { { { { 0x20, 0x01, 0x0d, 0xb8, 0x0b, 0x16, 0xd0, 0x0d,
81 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, 64,
82 /* indicate default valid and preferred lifetimes for the test code */
84 { { { { 0x20, 0x01, 0x0d, 0xb8, 0x0b, 0x16, 0xd0, 0x0d,
85 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, 58,
87 /* indicate that this prefix already exists */
89 { { { { 0x20, 0x01, 0x0d, 0xb8, 0x0b, 0x16, 0xd0, 0x0d,
90 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, 120,
92 /* indicate that this prefix already exists */
94 { { { { 0x20, 0x01, 0x0d, 0xb8, 0x0b, 0x16, 0xd0, 0x0d,
95 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, 12,
97 /* indicate that this prefix already exists */
99 { { { { 0x20, 0x01, 0x0d, 0xb8, 0xc0, 0x01, 0x0d, 0xad,
100 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, 48,
102 { { { { 0x20, 0x01, 0x0d, 0xb8, 0xc0, 0x01, 0x0d, 0xad,
103 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } }, 60,
105 /* indicate that this prefix already exists */
109 static int test_rs_hangcheck(sd_event_source
*s
, uint64_t usec
,
116 static void test_radv_prefix(void) {
119 printf("* %s\n", __FUNCTION__
);
121 assert_se(sd_radv_prefix_new(&p
) >= 0);
123 assert_se(sd_radv_prefix_set_onlink(NULL
, true) < 0);
124 assert_se(sd_radv_prefix_set_onlink(p
, true) >= 0);
125 assert_se(sd_radv_prefix_set_onlink(p
, false) >= 0);
127 assert_se(sd_radv_prefix_set_address_autoconfiguration(NULL
, true) < 0);
128 assert_se(sd_radv_prefix_set_address_autoconfiguration(p
, true) >= 0);
129 assert_se(sd_radv_prefix_set_address_autoconfiguration(p
, false) >= 0);
131 assert_se(sd_radv_prefix_set_valid_lifetime(NULL
, true) < 0);
132 assert_se(sd_radv_prefix_set_valid_lifetime(p
, ~0) >= 0);
133 assert_se(sd_radv_prefix_set_valid_lifetime(p
, 42) >= 0);
134 assert_se(sd_radv_prefix_set_valid_lifetime(p
, 0) >= 0);
136 assert_se(sd_radv_prefix_set_preferred_lifetime(NULL
, true) < 0);
137 assert_se(sd_radv_prefix_set_preferred_lifetime(p
, ~0) >= 0);
138 assert_se(sd_radv_prefix_set_preferred_lifetime(p
, 42) >= 0);
139 assert_se(sd_radv_prefix_set_preferred_lifetime(p
, 0) >= 0);
141 assert_se(sd_radv_prefix_set_prefix(NULL
, NULL
, 0) < 0);
142 assert_se(sd_radv_prefix_set_prefix(p
, NULL
, 0) < 0);
144 assert_se(sd_radv_prefix_set_prefix(p
, &prefix
[0].address
, 64) >= 0);
145 assert_se(sd_radv_prefix_set_prefix(p
, &prefix
[0].address
, 0) < 0);
146 assert_se(sd_radv_prefix_set_prefix(p
, &prefix
[0].address
, 1) < 0);
147 assert_se(sd_radv_prefix_set_prefix(p
, &prefix
[0].address
, 2) < 0);
148 assert_se(sd_radv_prefix_set_prefix(p
, &prefix
[0].address
, 3) >= 0);
149 assert_se(sd_radv_prefix_set_prefix(p
, &prefix
[0].address
, 125) >= 0);
150 assert_se(sd_radv_prefix_set_prefix(p
, &prefix
[0].address
, 128) >= 0);
151 assert_se(sd_radv_prefix_set_prefix(p
, &prefix
[0].address
, 129) < 0);
152 assert_se(sd_radv_prefix_set_prefix(p
, &prefix
[0].address
, 255) < 0);
154 p
= sd_radv_prefix_unref(p
);
158 static void test_radv(void) {
161 printf("* %s\n", __FUNCTION__
);
163 assert_se(sd_radv_new(&ra
) >= 0);
166 assert_se(sd_radv_set_ifindex(NULL
, 0) < 0);
167 assert_se(sd_radv_set_ifindex(ra
, 0) >= 0);
168 assert_se(sd_radv_set_ifindex(ra
, -1) >= 0);
169 assert_se(sd_radv_set_ifindex(ra
, -2) < 0);
170 assert_se(sd_radv_set_ifindex(ra
, 42) >= 0);
172 assert_se(sd_radv_set_mac(NULL
, NULL
) < 0);
173 assert_se(sd_radv_set_mac(ra
, NULL
) >= 0);
174 assert_se(sd_radv_set_mac(ra
, &mac_addr
) >= 0);
176 assert_se(sd_radv_set_mtu(NULL
, 0) < 0);
177 assert_se(sd_radv_set_mtu(ra
, 0) < 0);
178 assert_se(sd_radv_set_mtu(ra
, 1279) < 0);
179 assert_se(sd_radv_set_mtu(ra
, 1280) >= 0);
180 assert_se(sd_radv_set_mtu(ra
, ~0) >= 0);
182 assert_se(sd_radv_set_hop_limit(NULL
, 0) < 0);
183 assert_se(sd_radv_set_hop_limit(ra
, 0) >= 0);
184 assert_se(sd_radv_set_hop_limit(ra
, ~0) >= 0);
186 assert_se(sd_radv_set_router_lifetime(NULL
, 0) < 0);
187 assert_se(sd_radv_set_router_lifetime(ra
, 0) >= 0);
188 assert_se(sd_radv_set_router_lifetime(ra
, ~0) >= 0);
190 assert_se(sd_radv_set_preference(NULL
, 0) < 0);
191 assert_se(sd_radv_set_preference(ra
, SD_NDISC_PREFERENCE_LOW
) >= 0);
192 assert_se(sd_radv_set_preference(ra
, SD_NDISC_PREFERENCE_MEDIUM
) >= 0);
193 assert_se(sd_radv_set_preference(ra
, SD_NDISC_PREFERENCE_HIGH
) >= 0);
194 assert_se(sd_radv_set_preference(ra
, ~0) < 0);
196 assert_se(sd_radv_set_preference(ra
, SD_NDISC_PREFERENCE_HIGH
) >= 0);
197 assert_se(sd_radv_set_router_lifetime(ra
, 42000) >= 0);
198 assert_se(sd_radv_set_router_lifetime(ra
, 0) < 0);
199 assert_se(sd_radv_set_preference(ra
, SD_NDISC_PREFERENCE_MEDIUM
) >= 0);
200 assert_se(sd_radv_set_router_lifetime(ra
, 0) >= 0);
202 assert_se(sd_radv_set_managed_information(NULL
, true) < 0);
203 assert_se(sd_radv_set_managed_information(ra
, true) >= 0);
204 assert_se(sd_radv_set_managed_information(ra
, false) >= 0);
206 assert_se(sd_radv_set_other_information(NULL
, true) < 0);
207 assert_se(sd_radv_set_other_information(ra
, true) >= 0);
208 assert_se(sd_radv_set_other_information(ra
, false) >= 0);
210 ra
= sd_radv_unref(ra
);
214 int icmp6_bind_router_solicitation(int index
) {
218 int icmp6_bind_router_advertisement(int index
) {
219 assert_se(index
== 42);
224 int icmp6_send_router_solicitation(int s
, const struct ether_addr
*ether_addr
) {
229 int icmp6_receive(int fd
, void *iov_base
, size_t iov_len
,
230 struct in6_addr
*dst
, triple_timestamp
*timestamp
) {
231 assert_se(read (fd
, iov_base
, iov_len
) == (ssize_t
)iov_len
);
234 triple_timestamp_get(timestamp
);
239 static int radv_recv(sd_event_source
*s
, int fd
, uint32_t revents
, void *userdata
) {
240 sd_radv
*ra
= userdata
;
241 unsigned char buf
[120];
244 read(test_fd
[0], &buf
, sizeof(buf
));
246 /* router lifetime must be zero when test is stopped */
248 advertisement
[6] = 0x00;
249 advertisement
[7] = 0x00;
252 printf ("Received Router Advertisement with lifetime %u\n",
253 (advertisement
[6] << 8) + advertisement
[7]);
255 /* test only up to buf size, rest is not yet implemented */
256 for (i
= 0; i
< sizeof(buf
); i
++) {
257 printf("0x%02x", buf
[i
]);
259 assert_se(buf
[i
] == advertisement
[i
]);
270 e
= sd_radv_get_event(ra
);
276 assert_se(sd_radv_stop(ra
) >= 0);
282 static void test_ra(void) {
285 usec_t time_now
= now(clock_boottime_or_monotonic());
288 printf("* %s\n", __FUNCTION__
);
290 assert_se(socketpair(AF_UNIX
, SOCK_SEQPACKET
, 0, test_fd
) >= 0);
292 assert_se(sd_event_new(&e
) >= 0);
294 assert_se(sd_radv_new(&ra
) >= 0);
297 assert_se(sd_radv_attach_event(ra
, e
, 0) >= 0);
299 assert_se(sd_radv_set_ifindex(ra
, 42) >= 0);
300 assert_se(sd_radv_set_mac(ra
, &mac_addr
) >= 0);
301 assert_se(sd_radv_set_router_lifetime(ra
, 180) >= 0);
302 assert_se(sd_radv_set_hop_limit(ra
, 64) >= 0);
303 assert_se(sd_radv_set_managed_information(ra
, true) >= 0);
304 assert_se(sd_radv_set_other_information(ra
, true) >= 0);
306 for (i
= 0; i
< ELEMENTSOF(prefix
); i
++) {
309 printf("Test prefix %u\n", i
);
310 assert_se(sd_radv_prefix_new(&p
) >= 0);
312 assert_se(sd_radv_prefix_set_prefix(p
, &prefix
[i
].address
,
313 prefix
[i
].prefixlen
) >= 0);
315 assert_se(sd_radv_prefix_set_valid_lifetime(p
, prefix
[i
].valid
) >= 0);
316 if (prefix
[i
].preferred
)
317 assert_se(sd_radv_prefix_set_preferred_lifetime(p
, prefix
[i
].preferred
) >= 0);
319 assert_se((sd_radv_add_prefix(ra
, p
) >= 0) == prefix
[i
].succesful
);
320 assert_se(sd_radv_add_prefix(ra
, p
) < 0);
322 p
= sd_radv_prefix_unref(p
);
326 assert_se(sd_event_add_io(e
, &recv_router_advertisement
, test_fd
[0],
327 EPOLLIN
, radv_recv
, ra
) >= 0);
329 assert_se(sd_event_add_time(e
, &test_hangcheck
, clock_boottime_or_monotonic(),
330 time_now
+ 2 *USEC_PER_SEC
, 0,
331 test_rs_hangcheck
, NULL
) >= 0);
333 assert_se(sd_radv_start(ra
) >= 0);
337 test_hangcheck
= sd_event_source_unref(test_hangcheck
);
339 ra
= sd_radv_unref(ra
);
347 int main(int argc
, char *argv
[]) {
349 log_set_max_level(LOG_DEBUG
);
350 log_parse_environment();