]>
Commit | Line | Data |
---|---|---|
1 | /* SPDX-License-Identifier: LGPL-2.1+ */ | |
2 | /*** | |
3 | Copyright © 2013 Intel Corporation. All rights reserved. | |
4 | ***/ | |
5 | ||
6 | #include <errno.h> | |
7 | #include <net/if.h> | |
8 | #include <net/if_arp.h> | |
9 | #include <stdio.h> | |
10 | #include <sys/socket.h> | |
11 | #include <unistd.h> | |
12 | ||
13 | #include "sd-dhcp-client.h" | |
14 | #include "sd-event.h" | |
15 | ||
16 | #include "alloc-util.h" | |
17 | #include "dhcp-identifier.h" | |
18 | #include "dhcp-internal.h" | |
19 | #include "dhcp-protocol.h" | |
20 | #include "fd-util.h" | |
21 | #include "random-util.h" | |
22 | #include "tests.h" | |
23 | #include "util.h" | |
24 | ||
25 | static uint8_t mac_addr[] = {'A', 'B', 'C', '1', '2', '3'}; | |
26 | ||
27 | typedef int (*test_callback_recv_t)(size_t size, DHCPMessage *dhcp); | |
28 | ||
29 | static bool verbose = true; | |
30 | static int test_fd[2]; | |
31 | static test_callback_recv_t callback_recv; | |
32 | static be32_t xid; | |
33 | static sd_event_source *test_hangcheck; | |
34 | ||
35 | static int test_dhcp_hangcheck(sd_event_source *s, uint64_t usec, void *userdata) { | |
36 | assert_not_reached("Test case should have completed in 2 seconds"); | |
37 | ||
38 | return 0; | |
39 | } | |
40 | ||
41 | static void test_request_basic(sd_event *e) { | |
42 | int r; | |
43 | ||
44 | sd_dhcp_client *client; | |
45 | ||
46 | if (verbose) | |
47 | printf("* %s\n", __FUNCTION__); | |
48 | ||
49 | /* Initialize client without Anonymize settings. */ | |
50 | r = sd_dhcp_client_new(&client, false); | |
51 | ||
52 | assert_se(r >= 0); | |
53 | assert_se(client); | |
54 | ||
55 | r = sd_dhcp_client_attach_event(client, e, 0); | |
56 | assert_se(r >= 0); | |
57 | ||
58 | assert_se(sd_dhcp_client_set_request_option(NULL, 0) == -EINVAL); | |
59 | assert_se(sd_dhcp_client_set_request_address(NULL, NULL) == -EINVAL); | |
60 | assert_se(sd_dhcp_client_set_ifindex(NULL, 0) == -EINVAL); | |
61 | ||
62 | assert_se(sd_dhcp_client_set_ifindex(client, 15) == 0); | |
63 | assert_se(sd_dhcp_client_set_ifindex(client, -42) == -EINVAL); | |
64 | assert_se(sd_dhcp_client_set_ifindex(client, -1) == -EINVAL); | |
65 | assert_se(sd_dhcp_client_set_ifindex(client, 0) == -EINVAL); | |
66 | assert_se(sd_dhcp_client_set_ifindex(client, 1) == 0); | |
67 | ||
68 | assert_se(sd_dhcp_client_set_hostname(client, "host") == 1); | |
69 | assert_se(sd_dhcp_client_set_hostname(client, "host.domain") == 1); | |
70 | assert_se(sd_dhcp_client_set_hostname(client, NULL) == 1); | |
71 | assert_se(sd_dhcp_client_set_hostname(client, "~host") == -EINVAL); | |
72 | assert_se(sd_dhcp_client_set_hostname(client, "~host.domain") == -EINVAL); | |
73 | ||
74 | assert_se(sd_dhcp_client_set_request_option(client, | |
75 | SD_DHCP_OPTION_SUBNET_MASK) == -EEXIST); | |
76 | assert_se(sd_dhcp_client_set_request_option(client, | |
77 | SD_DHCP_OPTION_ROUTER) == -EEXIST); | |
78 | /* This PRL option is not set when using Anonymize, but in this test | |
79 | * Anonymize settings are not being used. */ | |
80 | assert_se(sd_dhcp_client_set_request_option(client, | |
81 | SD_DHCP_OPTION_HOST_NAME) == -EEXIST); | |
82 | assert_se(sd_dhcp_client_set_request_option(client, | |
83 | SD_DHCP_OPTION_DOMAIN_NAME) == -EEXIST); | |
84 | assert_se(sd_dhcp_client_set_request_option(client, | |
85 | SD_DHCP_OPTION_DOMAIN_NAME_SERVER) == -EEXIST); | |
86 | ||
87 | assert_se(sd_dhcp_client_set_request_option(client, | |
88 | SD_DHCP_OPTION_PAD) == -EINVAL); | |
89 | assert_se(sd_dhcp_client_set_request_option(client, | |
90 | SD_DHCP_OPTION_END) == -EINVAL); | |
91 | assert_se(sd_dhcp_client_set_request_option(client, | |
92 | SD_DHCP_OPTION_MESSAGE_TYPE) == -EINVAL); | |
93 | assert_se(sd_dhcp_client_set_request_option(client, | |
94 | SD_DHCP_OPTION_OVERLOAD) == -EINVAL); | |
95 | assert_se(sd_dhcp_client_set_request_option(client, | |
96 | SD_DHCP_OPTION_PARAMETER_REQUEST_LIST) | |
97 | == -EINVAL); | |
98 | ||
99 | /* RFC7844: option 33 (SD_DHCP_OPTION_STATIC_ROUTE) is set in the | |
100 | * default PRL when using Anonymize, so it is changed to other option | |
101 | * that is not set by default, to check that it was set successfully. | |
102 | * Options not set by default (using or not anonymize) are option 17 | |
103 | * (SD_DHCP_OPTION_ROOT_PATH) and 42 (SD_DHCP_OPTION_NTP_SERVER) */ | |
104 | assert_se(sd_dhcp_client_set_request_option(client, 17) == 0); | |
105 | assert_se(sd_dhcp_client_set_request_option(client, 17) == -EEXIST); | |
106 | assert_se(sd_dhcp_client_set_request_option(client, 42) == 0); | |
107 | assert_se(sd_dhcp_client_set_request_option(client, 17) == -EEXIST); | |
108 | ||
109 | sd_dhcp_client_unref(client); | |
110 | } | |
111 | ||
112 | static void test_request_anonymize(sd_event *e) { | |
113 | int r; | |
114 | ||
115 | sd_dhcp_client *client; | |
116 | ||
117 | if (verbose) | |
118 | printf("* %s\n", __FUNCTION__); | |
119 | ||
120 | /* Initialize client with Anonymize settings. */ | |
121 | r = sd_dhcp_client_new(&client, true); | |
122 | ||
123 | assert_se(r >= 0); | |
124 | assert_se(client); | |
125 | ||
126 | r = sd_dhcp_client_attach_event(client, e, 0); | |
127 | assert_se(r >= 0); | |
128 | ||
129 | assert_se(sd_dhcp_client_set_request_option(client, | |
130 | SD_DHCP_OPTION_NETBIOS_NAMESERVER) == -EEXIST); | |
131 | /* This PRL option is not set when using Anonymize */ | |
132 | assert_se(sd_dhcp_client_set_request_option(client, | |
133 | SD_DHCP_OPTION_HOST_NAME) == 0); | |
134 | assert_se(sd_dhcp_client_set_request_option(client, | |
135 | SD_DHCP_OPTION_PARAMETER_REQUEST_LIST) | |
136 | == -EINVAL); | |
137 | ||
138 | /* RFC7844: option 101 (SD_DHCP_OPTION_NEW_TZDB_TIMEZONE) is not set in the | |
139 | * default PRL when using Anonymize, */ | |
140 | assert_se(sd_dhcp_client_set_request_option(client, 101) == 0); | |
141 | assert_se(sd_dhcp_client_set_request_option(client, 101) == -EEXIST); | |
142 | ||
143 | sd_dhcp_client_unref(client); | |
144 | } | |
145 | ||
146 | static void test_checksum(void) { | |
147 | uint8_t buf[20] = { | |
148 | 0x45, 0x00, 0x02, 0x40, 0x00, 0x00, 0x00, 0x00, | |
149 | 0x40, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
150 | 0xff, 0xff, 0xff, 0xff | |
151 | }; | |
152 | ||
153 | if (verbose) | |
154 | printf("* %s\n", __FUNCTION__); | |
155 | ||
156 | assert_se(dhcp_packet_checksum((uint8_t*)&buf, 20) == be16toh(0x78ae)); | |
157 | } | |
158 | ||
159 | static void test_dhcp_identifier_set_iaid(void) { | |
160 | uint32_t iaid_legacy; | |
161 | be32_t iaid; | |
162 | int ifindex; | |
163 | ||
164 | for (;;) { | |
165 | char ifname[IFNAMSIZ]; | |
166 | ||
167 | /* try to find an ifindex which does not exist. I causes dhcp_identifier_set_iaid() | |
168 | * to hash the MAC address. */ | |
169 | pseudo_random_bytes(&ifindex, sizeof(ifindex)); | |
170 | if (ifindex > 0 && !if_indextoname(ifindex, ifname)) | |
171 | break; | |
172 | } | |
173 | ||
174 | assert_se(dhcp_identifier_set_iaid(ifindex, mac_addr, sizeof(mac_addr), true, &iaid_legacy) >= 0); | |
175 | assert_se(dhcp_identifier_set_iaid(ifindex, mac_addr, sizeof(mac_addr), false, &iaid) >= 0); | |
176 | ||
177 | /* we expect, that the MAC address was hashed. The legacy value is in native | |
178 | * endianness. */ | |
179 | assert_se(iaid_legacy == 0x8dde4ba8u); | |
180 | assert_se(iaid == htole32(0x8dde4ba8u)); | |
181 | #if __BYTE_ORDER == __LITTLE_ENDIAN | |
182 | assert_se(iaid == iaid_legacy); | |
183 | #else | |
184 | assert_se(iaid == __bswap_32(iaid_legacy)); | |
185 | #endif | |
186 | } | |
187 | ||
188 | static int check_options(uint8_t code, uint8_t len, const void *option, void *userdata) { | |
189 | switch(code) { | |
190 | case SD_DHCP_OPTION_CLIENT_IDENTIFIER: | |
191 | { | |
192 | uint32_t iaid; | |
193 | struct duid duid; | |
194 | size_t duid_len; | |
195 | ||
196 | assert_se(dhcp_identifier_set_duid_en(&duid, &duid_len) >= 0); | |
197 | assert_se(dhcp_identifier_set_iaid(42, mac_addr, ETH_ALEN, true, &iaid) >= 0); | |
198 | ||
199 | assert_se(len == sizeof(uint8_t) + sizeof(uint32_t) + duid_len); | |
200 | assert_se(len == 19); | |
201 | assert_se(((uint8_t*) option)[0] == 0xff); | |
202 | ||
203 | assert_se(memcmp((uint8_t*) option + 1, &iaid, sizeof(iaid)) == 0); | |
204 | assert_se(memcmp((uint8_t*) option + 5, &duid, duid_len) == 0); | |
205 | break; | |
206 | } | |
207 | ||
208 | default: | |
209 | break; | |
210 | } | |
211 | ||
212 | return 0; | |
213 | } | |
214 | ||
215 | int dhcp_network_send_raw_socket(int s, const union sockaddr_union *link, const void *packet, size_t len) { | |
216 | size_t size; | |
217 | _cleanup_free_ DHCPPacket *discover; | |
218 | uint16_t ip_check, udp_check; | |
219 | ||
220 | assert_se(s >= 0); | |
221 | assert_se(packet); | |
222 | ||
223 | size = sizeof(DHCPPacket); | |
224 | assert_se(len > size); | |
225 | ||
226 | discover = memdup(packet, len); | |
227 | ||
228 | assert_se(discover->ip.ttl == IPDEFTTL); | |
229 | assert_se(discover->ip.protocol == IPPROTO_UDP); | |
230 | assert_se(discover->ip.saddr == INADDR_ANY); | |
231 | assert_se(discover->ip.daddr == INADDR_BROADCAST); | |
232 | assert_se(discover->udp.source == be16toh(DHCP_PORT_CLIENT)); | |
233 | assert_se(discover->udp.dest == be16toh(DHCP_PORT_SERVER)); | |
234 | ||
235 | ip_check = discover->ip.check; | |
236 | ||
237 | discover->ip.ttl = 0; | |
238 | discover->ip.check = discover->udp.len; | |
239 | ||
240 | udp_check = ~dhcp_packet_checksum((uint8_t*)&discover->ip.ttl, len - 8); | |
241 | assert_se(udp_check == 0xffff); | |
242 | ||
243 | discover->ip.ttl = IPDEFTTL; | |
244 | discover->ip.check = ip_check; | |
245 | ||
246 | ip_check = ~dhcp_packet_checksum((uint8_t*)&discover->ip, sizeof(discover->ip)); | |
247 | assert_se(ip_check == 0xffff); | |
248 | ||
249 | assert_se(discover->dhcp.xid); | |
250 | assert_se(memcmp(discover->dhcp.chaddr, &mac_addr, ETH_ALEN) == 0); | |
251 | ||
252 | size = len - sizeof(struct iphdr) - sizeof(struct udphdr); | |
253 | ||
254 | assert_se(callback_recv); | |
255 | callback_recv(size, &discover->dhcp); | |
256 | ||
257 | return 575; | |
258 | } | |
259 | ||
260 | int dhcp_network_bind_raw_socket( | |
261 | int ifindex, | |
262 | union sockaddr_union *link, | |
263 | uint32_t id, | |
264 | const uint8_t *addr, size_t addr_len, | |
265 | uint16_t arp_type, uint16_t port) { | |
266 | ||
267 | if (socketpair(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC | SOCK_NONBLOCK, 0, test_fd) < 0) | |
268 | return -errno; | |
269 | ||
270 | return test_fd[0]; | |
271 | } | |
272 | ||
273 | int dhcp_network_bind_udp_socket(int ifindex, be32_t address, uint16_t port, int ip_service_type) { | |
274 | int fd; | |
275 | ||
276 | fd = socket(AF_INET, SOCK_DGRAM | SOCK_CLOEXEC | SOCK_NONBLOCK, 0); | |
277 | if (fd < 0) | |
278 | return -errno; | |
279 | ||
280 | return fd; | |
281 | } | |
282 | ||
283 | int dhcp_network_send_udp_socket(int s, be32_t address, uint16_t port, const void *packet, size_t len) { | |
284 | return 0; | |
285 | } | |
286 | ||
287 | static int test_discover_message_verify(size_t size, struct DHCPMessage *dhcp) { | |
288 | int res; | |
289 | ||
290 | res = dhcp_option_parse(dhcp, size, check_options, NULL, NULL); | |
291 | assert_se(res == DHCP_DISCOVER); | |
292 | ||
293 | if (verbose) | |
294 | printf(" recv DHCP Discover 0x%08x\n", be32toh(dhcp->xid)); | |
295 | ||
296 | return 0; | |
297 | } | |
298 | ||
299 | static void test_discover_message(sd_event *e) { | |
300 | sd_dhcp_client *client; | |
301 | int res, r; | |
302 | ||
303 | if (verbose) | |
304 | printf("* %s\n", __FUNCTION__); | |
305 | ||
306 | r = sd_dhcp_client_new(&client, false); | |
307 | assert_se(r >= 0); | |
308 | assert_se(client); | |
309 | ||
310 | r = sd_dhcp_client_attach_event(client, e, 0); | |
311 | assert_se(r >= 0); | |
312 | ||
313 | assert_se(sd_dhcp_client_set_ifindex(client, 42) >= 0); | |
314 | assert_se(sd_dhcp_client_set_mac(client, mac_addr, ETH_ALEN, ARPHRD_ETHER) >= 0); | |
315 | ||
316 | assert_se(sd_dhcp_client_set_request_option(client, 248) >= 0); | |
317 | ||
318 | callback_recv = test_discover_message_verify; | |
319 | ||
320 | res = sd_dhcp_client_start(client); | |
321 | ||
322 | assert_se(IN_SET(res, 0, -EINPROGRESS)); | |
323 | ||
324 | sd_event_run(e, (uint64_t) -1); | |
325 | ||
326 | sd_dhcp_client_stop(client); | |
327 | sd_dhcp_client_unref(client); | |
328 | ||
329 | test_fd[1] = safe_close(test_fd[1]); | |
330 | ||
331 | callback_recv = NULL; | |
332 | } | |
333 | ||
334 | static uint8_t test_addr_acq_offer[] = { | |
335 | 0x45, 0x10, 0x01, 0x48, 0x00, 0x00, 0x00, 0x00, | |
336 | 0x80, 0x11, 0xb3, 0x84, 0xc0, 0xa8, 0x02, 0x01, | |
337 | 0xc0, 0xa8, 0x02, 0xbf, 0x00, 0x43, 0x00, 0x44, | |
338 | 0x01, 0x34, 0x00, 0x00, 0x02, 0x01, 0x06, 0x00, | |
339 | 0x6f, 0x95, 0x2f, 0x30, 0x00, 0x00, 0x00, 0x00, | |
340 | 0x00, 0x00, 0x00, 0x00, 0xc0, 0xa8, 0x02, 0xbf, | |
341 | 0xc0, 0xa8, 0x02, 0x01, 0x00, 0x00, 0x00, 0x00, | |
342 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
343 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
344 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
345 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
346 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
347 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
348 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
349 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
350 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
351 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
352 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
353 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
354 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
355 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
356 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
357 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
358 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
359 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
360 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
361 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
362 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
363 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
364 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
365 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
366 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
367 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
368 | 0x63, 0x82, 0x53, 0x63, 0x35, 0x01, 0x02, 0x36, | |
369 | 0x04, 0xc0, 0xa8, 0x02, 0x01, 0x33, 0x04, 0x00, | |
370 | 0x00, 0x02, 0x58, 0x01, 0x04, 0xff, 0xff, 0xff, | |
371 | 0x00, 0x2a, 0x04, 0xc0, 0xa8, 0x02, 0x01, 0x0f, | |
372 | 0x09, 0x6c, 0x61, 0x62, 0x2e, 0x69, 0x6e, 0x74, | |
373 | 0x72, 0x61, 0x03, 0x04, 0xc0, 0xa8, 0x02, 0x01, | |
374 | 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
375 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
376 | }; | |
377 | ||
378 | static uint8_t test_addr_acq_ack[] = { | |
379 | 0x45, 0x10, 0x01, 0x48, 0x00, 0x00, 0x00, 0x00, | |
380 | 0x80, 0x11, 0xb3, 0x84, 0xc0, 0xa8, 0x02, 0x01, | |
381 | 0xc0, 0xa8, 0x02, 0xbf, 0x00, 0x43, 0x00, 0x44, | |
382 | 0x01, 0x34, 0x00, 0x00, 0x02, 0x01, 0x06, 0x00, | |
383 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, | |
384 | 0x00, 0x00, 0x00, 0x00, 0xc0, 0xa8, 0x02, 0xbf, | |
385 | 0xc0, 0xa8, 0x02, 0x01, 0x00, 0x00, 0x00, 0x00, | |
386 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
387 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
388 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
389 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
390 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
391 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
392 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
393 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
394 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
395 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
396 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
397 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
398 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
399 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
400 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
401 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
402 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
403 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
404 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
405 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
406 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
407 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
408 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
409 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
410 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
411 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
412 | 0x63, 0x82, 0x53, 0x63, 0x35, 0x01, 0x05, 0x36, | |
413 | 0x04, 0xc0, 0xa8, 0x02, 0x01, 0x33, 0x04, 0x00, | |
414 | 0x00, 0x02, 0x58, 0x01, 0x04, 0xff, 0xff, 0xff, | |
415 | 0x00, 0x2a, 0x04, 0xc0, 0xa8, 0x02, 0x01, 0x0f, | |
416 | 0x09, 0x6c, 0x61, 0x62, 0x2e, 0x69, 0x6e, 0x74, | |
417 | 0x72, 0x61, 0x03, 0x04, 0xc0, 0xa8, 0x02, 0x01, | |
418 | 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
419 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
420 | }; | |
421 | ||
422 | static int test_addr_acq_acquired(sd_dhcp_client *client, int event, | |
423 | void *userdata) { | |
424 | sd_event *e = userdata; | |
425 | sd_dhcp_lease *lease; | |
426 | struct in_addr addr; | |
427 | const struct in_addr *addrs; | |
428 | ||
429 | assert_se(client); | |
430 | assert_se(IN_SET(event, SD_DHCP_CLIENT_EVENT_IP_ACQUIRE, SD_DHCP_CLIENT_EVENT_SELECTING)); | |
431 | ||
432 | assert_se(sd_dhcp_client_get_lease(client, &lease) >= 0); | |
433 | assert_se(lease); | |
434 | ||
435 | assert_se(sd_dhcp_lease_get_address(lease, &addr) >= 0); | |
436 | assert_se(memcmp(&addr.s_addr, &test_addr_acq_ack[44], | |
437 | sizeof(addr.s_addr)) == 0); | |
438 | ||
439 | assert_se(sd_dhcp_lease_get_netmask(lease, &addr) >= 0); | |
440 | assert_se(memcmp(&addr.s_addr, &test_addr_acq_ack[285], | |
441 | sizeof(addr.s_addr)) == 0); | |
442 | ||
443 | assert_se(sd_dhcp_lease_get_router(lease, &addrs) == 1); | |
444 | assert_se(memcmp(&addrs[0].s_addr, &test_addr_acq_ack[308], | |
445 | sizeof(addrs[0].s_addr)) == 0); | |
446 | ||
447 | if (verbose) | |
448 | printf(" DHCP address acquired\n"); | |
449 | ||
450 | sd_event_exit(e, 0); | |
451 | ||
452 | return 0; | |
453 | } | |
454 | ||
455 | static int test_addr_acq_recv_request(size_t size, DHCPMessage *request) { | |
456 | uint16_t udp_check = 0; | |
457 | uint8_t *msg_bytes = (uint8_t *)request; | |
458 | int res; | |
459 | ||
460 | res = dhcp_option_parse(request, size, check_options, NULL, NULL); | |
461 | assert_se(res == DHCP_REQUEST); | |
462 | assert_se(xid == request->xid); | |
463 | ||
464 | assert_se(msg_bytes[size - 1] == SD_DHCP_OPTION_END); | |
465 | ||
466 | if (verbose) | |
467 | printf(" recv DHCP Request 0x%08x\n", be32toh(xid)); | |
468 | ||
469 | memcpy(&test_addr_acq_ack[26], &udp_check, sizeof(udp_check)); | |
470 | memcpy(&test_addr_acq_ack[32], &xid, sizeof(xid)); | |
471 | memcpy(&test_addr_acq_ack[56], &mac_addr, ETHER_ADDR_LEN); | |
472 | ||
473 | callback_recv = NULL; | |
474 | ||
475 | res = write(test_fd[1], test_addr_acq_ack, | |
476 | sizeof(test_addr_acq_ack)); | |
477 | assert_se(res == sizeof(test_addr_acq_ack)); | |
478 | ||
479 | if (verbose) | |
480 | printf(" send DHCP Ack\n"); | |
481 | ||
482 | return 0; | |
483 | }; | |
484 | ||
485 | static int test_addr_acq_recv_discover(size_t size, DHCPMessage *discover) { | |
486 | uint16_t udp_check = 0; | |
487 | uint8_t *msg_bytes = (uint8_t *)discover; | |
488 | int res; | |
489 | ||
490 | res = dhcp_option_parse(discover, size, check_options, NULL, NULL); | |
491 | assert_se(res == DHCP_DISCOVER); | |
492 | ||
493 | assert_se(msg_bytes[size - 1] == SD_DHCP_OPTION_END); | |
494 | ||
495 | xid = discover->xid; | |
496 | ||
497 | if (verbose) | |
498 | printf(" recv DHCP Discover 0x%08x\n", be32toh(xid)); | |
499 | ||
500 | memcpy(&test_addr_acq_offer[26], &udp_check, sizeof(udp_check)); | |
501 | memcpy(&test_addr_acq_offer[32], &xid, sizeof(xid)); | |
502 | memcpy(&test_addr_acq_offer[56], &mac_addr, ETHER_ADDR_LEN); | |
503 | ||
504 | callback_recv = test_addr_acq_recv_request; | |
505 | ||
506 | res = write(test_fd[1], test_addr_acq_offer, | |
507 | sizeof(test_addr_acq_offer)); | |
508 | assert_se(res == sizeof(test_addr_acq_offer)); | |
509 | ||
510 | if (verbose) | |
511 | printf(" sent DHCP Offer\n"); | |
512 | ||
513 | return 0; | |
514 | } | |
515 | ||
516 | static void test_addr_acq(sd_event *e) { | |
517 | sd_dhcp_client *client; | |
518 | int res, r; | |
519 | ||
520 | if (verbose) | |
521 | printf("* %s\n", __FUNCTION__); | |
522 | ||
523 | r = sd_dhcp_client_new(&client, false); | |
524 | assert_se(r >= 0); | |
525 | assert_se(client); | |
526 | ||
527 | r = sd_dhcp_client_attach_event(client, e, 0); | |
528 | assert_se(r >= 0); | |
529 | ||
530 | assert_se(sd_dhcp_client_set_ifindex(client, 42) >= 0); | |
531 | assert_se(sd_dhcp_client_set_mac(client, mac_addr, ETH_ALEN, ARPHRD_ETHER) >= 0); | |
532 | ||
533 | assert_se(sd_dhcp_client_set_callback(client, test_addr_acq_acquired, e) >= 0); | |
534 | ||
535 | callback_recv = test_addr_acq_recv_discover; | |
536 | ||
537 | assert_se(sd_event_add_time_relative( | |
538 | e, &test_hangcheck, | |
539 | clock_boottime_or_monotonic(), | |
540 | 2 * USEC_PER_SEC, 0, | |
541 | test_dhcp_hangcheck, NULL) >= 0); | |
542 | ||
543 | res = sd_dhcp_client_start(client); | |
544 | assert_se(IN_SET(res, 0, -EINPROGRESS)); | |
545 | ||
546 | assert_se(sd_event_loop(e) >= 0); | |
547 | ||
548 | test_hangcheck = sd_event_source_unref(test_hangcheck); | |
549 | ||
550 | assert_se(sd_dhcp_client_set_callback(client, NULL, NULL) >= 0); | |
551 | assert_se(sd_dhcp_client_stop(client) >= 0); | |
552 | sd_dhcp_client_unref(client); | |
553 | ||
554 | test_fd[1] = safe_close(test_fd[1]); | |
555 | ||
556 | callback_recv = NULL; | |
557 | xid = 0; | |
558 | } | |
559 | ||
560 | int main(int argc, char *argv[]) { | |
561 | _cleanup_(sd_event_unrefp) sd_event *e; | |
562 | ||
563 | test_setup_logging(LOG_DEBUG); | |
564 | ||
565 | assert_se(sd_event_new(&e) >= 0); | |
566 | ||
567 | test_request_basic(e); | |
568 | test_request_anonymize(e); | |
569 | test_checksum(); | |
570 | test_dhcp_identifier_set_iaid(); | |
571 | ||
572 | test_discover_message(e); | |
573 | test_addr_acq(e); | |
574 | ||
575 | #if VALGRIND | |
576 | /* Make sure the async_close thread has finished. | |
577 | * valgrind would report some of the phread_* structures | |
578 | * as not cleaned up properly. */ | |
579 | sleep(1); | |
580 | #endif | |
581 | ||
582 | return 0; | |
583 | } |