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1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ | |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright (C) 2013 Intel Corporation. All rights reserved. | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU Lesser General Public License as published by | |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | Lesser General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU Lesser General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
22 | #include <errno.h> | |
23 | #include <stdio.h> | |
24 | #include <sys/socket.h> | |
25 | #include <unistd.h> | |
26 | ||
27 | #include "sd-dhcp-client.h" | |
28 | #include "sd-event.h" | |
29 | ||
30 | #include "dhcp-identifier.h" | |
31 | #include "dhcp-internal.h" | |
32 | #include "dhcp-protocol.h" | |
33 | #include "event-util.h" | |
34 | #include "util.h" | |
35 | ||
36 | static uint8_t mac_addr[] = {'A', 'B', 'C', '1', '2', '3'}; | |
37 | ||
38 | typedef int (*test_callback_recv_t)(size_t size, DHCPMessage *dhcp); | |
39 | ||
40 | static bool verbose = true; | |
41 | static int test_fd[2]; | |
42 | static test_callback_recv_t callback_recv; | |
43 | static be32_t xid; | |
44 | static sd_event_source *test_hangcheck; | |
45 | ||
46 | static int test_dhcp_hangcheck(sd_event_source *s, uint64_t usec, void *userdata) { | |
47 | assert_not_reached("Test case should have completed in 2 seconds"); | |
48 | ||
49 | return 0; | |
50 | } | |
51 | ||
52 | static void test_request_basic(sd_event *e) { | |
53 | int r; | |
54 | ||
55 | sd_dhcp_client *client; | |
56 | ||
57 | if (verbose) | |
58 | printf("* %s\n", __FUNCTION__); | |
59 | ||
60 | r = sd_dhcp_client_new(&client); | |
61 | ||
62 | assert_se(r >= 0); | |
63 | assert_se(client); | |
64 | ||
65 | r = sd_dhcp_client_attach_event(client, e, 0); | |
66 | assert_se(r >= 0); | |
67 | ||
68 | assert_se(sd_dhcp_client_set_request_option(NULL, 0) == -EINVAL); | |
69 | assert_se(sd_dhcp_client_set_request_address(NULL, NULL) == -EINVAL); | |
70 | assert_se(sd_dhcp_client_set_index(NULL, 0) == -EINVAL); | |
71 | ||
72 | assert_se(sd_dhcp_client_set_index(client, 15) == 0); | |
73 | assert_se(sd_dhcp_client_set_index(client, -42) == -EINVAL); | |
74 | assert_se(sd_dhcp_client_set_index(client, -1) == -EINVAL); | |
75 | assert_se(sd_dhcp_client_set_index(client, 0) == -EINVAL); | |
76 | assert_se(sd_dhcp_client_set_index(client, 1) == 0); | |
77 | ||
78 | assert_se(sd_dhcp_client_set_request_option(client, | |
79 | DHCP_OPTION_SUBNET_MASK) == -EEXIST); | |
80 | assert_se(sd_dhcp_client_set_request_option(client, | |
81 | DHCP_OPTION_ROUTER) == -EEXIST); | |
82 | assert_se(sd_dhcp_client_set_request_option(client, | |
83 | DHCP_OPTION_HOST_NAME) == -EEXIST); | |
84 | assert_se(sd_dhcp_client_set_request_option(client, | |
85 | DHCP_OPTION_DOMAIN_NAME) == -EEXIST); | |
86 | assert_se(sd_dhcp_client_set_request_option(client, | |
87 | DHCP_OPTION_DOMAIN_NAME_SERVER) == -EEXIST); | |
88 | ||
89 | assert_se(sd_dhcp_client_set_request_option(client, | |
90 | DHCP_OPTION_PAD) == -EINVAL); | |
91 | assert_se(sd_dhcp_client_set_request_option(client, | |
92 | DHCP_OPTION_END) == -EINVAL); | |
93 | assert_se(sd_dhcp_client_set_request_option(client, | |
94 | DHCP_OPTION_MESSAGE_TYPE) == -EINVAL); | |
95 | assert_se(sd_dhcp_client_set_request_option(client, | |
96 | DHCP_OPTION_OVERLOAD) == -EINVAL); | |
97 | assert_se(sd_dhcp_client_set_request_option(client, | |
98 | DHCP_OPTION_PARAMETER_REQUEST_LIST) | |
99 | == -EINVAL); | |
100 | ||
101 | assert_se(sd_dhcp_client_set_request_option(client, 33) == 0); | |
102 | assert_se(sd_dhcp_client_set_request_option(client, 33) == -EEXIST); | |
103 | assert_se(sd_dhcp_client_set_request_option(client, 44) == 0); | |
104 | assert_se(sd_dhcp_client_set_request_option(client, 33) == -EEXIST); | |
105 | ||
106 | sd_dhcp_client_unref(client); | |
107 | } | |
108 | ||
109 | static void test_checksum(void) { | |
110 | uint8_t buf[20] = { | |
111 | 0x45, 0x00, 0x02, 0x40, 0x00, 0x00, 0x00, 0x00, | |
112 | 0x40, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
113 | 0xff, 0xff, 0xff, 0xff | |
114 | }; | |
115 | ||
116 | if (verbose) | |
117 | printf("* %s\n", __FUNCTION__); | |
118 | ||
119 | assert_se(dhcp_packet_checksum((uint8_t*)&buf, 20) == be16toh(0x78ae)); | |
120 | } | |
121 | ||
122 | static int check_options(uint8_t code, uint8_t len, const void *option, void *userdata) { | |
123 | switch(code) { | |
124 | case DHCP_OPTION_CLIENT_IDENTIFIER: | |
125 | { | |
126 | uint32_t iaid; | |
127 | struct duid duid; | |
128 | size_t duid_len; | |
129 | ||
130 | assert_se(dhcp_identifier_set_duid_en(&duid, &duid_len) >= 0); | |
131 | assert_se(dhcp_identifier_set_iaid(42, mac_addr, ETH_ALEN, &iaid) >= 0); | |
132 | ||
133 | assert_se(len == sizeof(uint8_t) + sizeof(uint32_t) + duid_len); | |
134 | assert_se(len == 19); | |
135 | assert_se(((uint8_t*) option)[0] == 0xff); | |
136 | ||
137 | assert_se(memcmp((uint8_t*) option + 1, &iaid, sizeof(iaid)) == 0); | |
138 | assert_se(memcmp((uint8_t*) option + 5, &duid, duid_len) == 0); | |
139 | break; | |
140 | } | |
141 | ||
142 | default: | |
143 | break; | |
144 | } | |
145 | ||
146 | return 0; | |
147 | } | |
148 | ||
149 | int dhcp_network_send_raw_socket(int s, const union sockaddr_union *link, const void *packet, size_t len) { | |
150 | size_t size; | |
151 | _cleanup_free_ DHCPPacket *discover; | |
152 | uint16_t ip_check, udp_check; | |
153 | ||
154 | assert_se(s >= 0); | |
155 | assert_se(packet); | |
156 | ||
157 | size = sizeof(DHCPPacket); | |
158 | assert_se(len > size); | |
159 | ||
160 | discover = memdup(packet, len); | |
161 | ||
162 | assert_se(discover->ip.ttl == IPDEFTTL); | |
163 | assert_se(discover->ip.protocol == IPPROTO_UDP); | |
164 | assert_se(discover->ip.saddr == INADDR_ANY); | |
165 | assert_se(discover->ip.daddr == INADDR_BROADCAST); | |
166 | assert_se(discover->udp.source == be16toh(DHCP_PORT_CLIENT)); | |
167 | assert_se(discover->udp.dest == be16toh(DHCP_PORT_SERVER)); | |
168 | ||
169 | ip_check = discover->ip.check; | |
170 | ||
171 | discover->ip.ttl = 0; | |
172 | discover->ip.check = discover->udp.len; | |
173 | ||
174 | udp_check = ~dhcp_packet_checksum((uint8_t*)&discover->ip.ttl, len - 8); | |
175 | assert_se(udp_check == 0xffff); | |
176 | ||
177 | discover->ip.ttl = IPDEFTTL; | |
178 | discover->ip.check = ip_check; | |
179 | ||
180 | ip_check = ~dhcp_packet_checksum((uint8_t*)&discover->ip, sizeof(discover->ip)); | |
181 | assert_se(ip_check == 0xffff); | |
182 | ||
183 | assert_se(discover->dhcp.xid); | |
184 | assert_se(memcmp(discover->dhcp.chaddr, &mac_addr, ETH_ALEN) == 0); | |
185 | ||
186 | size = len - sizeof(struct iphdr) - sizeof(struct udphdr); | |
187 | ||
188 | assert_se(callback_recv); | |
189 | callback_recv(size, &discover->dhcp); | |
190 | ||
191 | return 575; | |
192 | } | |
193 | ||
194 | int dhcp_network_bind_raw_socket( | |
195 | int index, | |
196 | union sockaddr_union *link, | |
197 | uint32_t id, | |
198 | const uint8_t *addr, size_t addr_len, | |
199 | uint16_t arp_type) { | |
200 | ||
201 | if (socketpair(AF_UNIX, SOCK_STREAM, 0, test_fd) < 0) | |
202 | return -errno; | |
203 | ||
204 | return test_fd[0]; | |
205 | } | |
206 | ||
207 | int dhcp_network_bind_udp_socket(be32_t address, uint16_t port) { | |
208 | int fd; | |
209 | ||
210 | fd = socket(AF_INET, SOCK_DGRAM|SOCK_CLOEXEC, 0); | |
211 | if (fd < 0) | |
212 | return -errno; | |
213 | ||
214 | return fd; | |
215 | } | |
216 | ||
217 | int dhcp_network_send_udp_socket(int s, be32_t address, uint16_t port, const void *packet, size_t len) { | |
218 | return 0; | |
219 | } | |
220 | ||
221 | static int test_discover_message_verify(size_t size, struct DHCPMessage *dhcp) { | |
222 | int res; | |
223 | ||
224 | res = dhcp_option_parse(dhcp, size, check_options, NULL); | |
225 | assert_se(res == DHCP_DISCOVER); | |
226 | ||
227 | if (verbose) | |
228 | printf(" recv DHCP Discover 0x%08x\n", be32toh(dhcp->xid)); | |
229 | ||
230 | return 0; | |
231 | } | |
232 | ||
233 | static void test_discover_message(sd_event *e) { | |
234 | sd_dhcp_client *client; | |
235 | int res, r; | |
236 | ||
237 | if (verbose) | |
238 | printf("* %s\n", __FUNCTION__); | |
239 | ||
240 | r = sd_dhcp_client_new(&client); | |
241 | assert_se(r >= 0); | |
242 | assert_se(client); | |
243 | ||
244 | r = sd_dhcp_client_attach_event(client, e, 0); | |
245 | assert_se(r >= 0); | |
246 | ||
247 | assert_se(sd_dhcp_client_set_index(client, 42) >= 0); | |
248 | assert_se(sd_dhcp_client_set_mac(client, mac_addr, ETH_ALEN, ARPHRD_ETHER) >= 0); | |
249 | ||
250 | assert_se(sd_dhcp_client_set_request_option(client, 248) >= 0); | |
251 | ||
252 | callback_recv = test_discover_message_verify; | |
253 | ||
254 | res = sd_dhcp_client_start(client); | |
255 | ||
256 | assert_se(res == 0 || res == -EINPROGRESS); | |
257 | ||
258 | sd_event_run(e, (uint64_t) -1); | |
259 | ||
260 | sd_dhcp_client_stop(client); | |
261 | sd_dhcp_client_unref(client); | |
262 | ||
263 | test_fd[1] = safe_close(test_fd[1]); | |
264 | ||
265 | callback_recv = NULL; | |
266 | } | |
267 | ||
268 | static uint8_t test_addr_acq_offer[] = { | |
269 | 0x45, 0x10, 0x01, 0x48, 0x00, 0x00, 0x00, 0x00, | |
270 | 0x80, 0x11, 0xb3, 0x84, 0xc0, 0xa8, 0x02, 0x01, | |
271 | 0xc0, 0xa8, 0x02, 0xbf, 0x00, 0x43, 0x00, 0x44, | |
272 | 0x01, 0x34, 0x00, 0x00, 0x02, 0x01, 0x06, 0x00, | |
273 | 0x6f, 0x95, 0x2f, 0x30, 0x00, 0x00, 0x00, 0x00, | |
274 | 0x00, 0x00, 0x00, 0x00, 0xc0, 0xa8, 0x02, 0xbf, | |
275 | 0xc0, 0xa8, 0x02, 0x01, 0x00, 0x00, 0x00, 0x00, | |
276 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
277 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
278 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
279 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
280 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
281 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
282 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
283 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
284 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
285 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
286 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
287 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
288 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
289 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
290 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
291 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
292 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
293 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
294 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
295 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
296 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
297 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
298 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
299 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
300 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
301 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
302 | 0x63, 0x82, 0x53, 0x63, 0x35, 0x01, 0x02, 0x36, | |
303 | 0x04, 0xc0, 0xa8, 0x02, 0x01, 0x33, 0x04, 0x00, | |
304 | 0x00, 0x02, 0x58, 0x01, 0x04, 0xff, 0xff, 0xff, | |
305 | 0x00, 0x2a, 0x04, 0xc0, 0xa8, 0x02, 0x01, 0x0f, | |
306 | 0x09, 0x6c, 0x61, 0x62, 0x2e, 0x69, 0x6e, 0x74, | |
307 | 0x72, 0x61, 0x03, 0x04, 0xc0, 0xa8, 0x02, 0x01, | |
308 | 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
309 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
310 | }; | |
311 | ||
312 | static uint8_t test_addr_acq_ack[] = { | |
313 | 0x45, 0x10, 0x01, 0x48, 0x00, 0x00, 0x00, 0x00, | |
314 | 0x80, 0x11, 0xb3, 0x84, 0xc0, 0xa8, 0x02, 0x01, | |
315 | 0xc0, 0xa8, 0x02, 0xbf, 0x00, 0x43, 0x00, 0x44, | |
316 | 0x01, 0x34, 0x00, 0x00, 0x02, 0x01, 0x06, 0x00, | |
317 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, | |
318 | 0x00, 0x00, 0x00, 0x00, 0xc0, 0xa8, 0x02, 0xbf, | |
319 | 0xc0, 0xa8, 0x02, 0x01, 0x00, 0x00, 0x00, 0x00, | |
320 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
321 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
322 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
323 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
324 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
325 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
326 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
327 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
328 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
329 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
330 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
331 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
332 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
333 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
334 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
335 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
336 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
337 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
338 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
339 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
340 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
341 | 0x00, 0x00, 0x00, 0x00, 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 | 0x63, 0x82, 0x53, 0x63, 0x35, 0x01, 0x05, 0x36, | |
347 | 0x04, 0xc0, 0xa8, 0x02, 0x01, 0x33, 0x04, 0x00, | |
348 | 0x00, 0x02, 0x58, 0x01, 0x04, 0xff, 0xff, 0xff, | |
349 | 0x00, 0x2a, 0x04, 0xc0, 0xa8, 0x02, 0x01, 0x0f, | |
350 | 0x09, 0x6c, 0x61, 0x62, 0x2e, 0x69, 0x6e, 0x74, | |
351 | 0x72, 0x61, 0x03, 0x04, 0xc0, 0xa8, 0x02, 0x01, | |
352 | 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
353 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
354 | }; | |
355 | ||
356 | static void test_addr_acq_acquired(sd_dhcp_client *client, int event, | |
357 | void *userdata) { | |
358 | sd_event *e = userdata; | |
359 | sd_dhcp_lease *lease; | |
360 | struct in_addr addr; | |
361 | ||
362 | assert_se(client); | |
363 | assert_se(event == SD_DHCP_CLIENT_EVENT_IP_ACQUIRE); | |
364 | ||
365 | assert_se(sd_dhcp_client_get_lease(client, &lease) >= 0); | |
366 | assert_se(lease); | |
367 | ||
368 | assert_se(sd_dhcp_lease_get_address(lease, &addr) >= 0); | |
369 | assert_se(memcmp(&addr.s_addr, &test_addr_acq_ack[44], | |
370 | sizeof(addr.s_addr)) == 0); | |
371 | ||
372 | assert_se(sd_dhcp_lease_get_netmask(lease, &addr) >= 0); | |
373 | assert_se(memcmp(&addr.s_addr, &test_addr_acq_ack[285], | |
374 | sizeof(addr.s_addr)) == 0); | |
375 | ||
376 | assert_se(sd_dhcp_lease_get_router(lease, &addr) >= 0); | |
377 | assert_se(memcmp(&addr.s_addr, &test_addr_acq_ack[308], | |
378 | sizeof(addr.s_addr)) == 0); | |
379 | ||
380 | if (verbose) | |
381 | printf(" DHCP address acquired\n"); | |
382 | ||
383 | sd_event_exit(e, 0); | |
384 | } | |
385 | ||
386 | static int test_addr_acq_recv_request(size_t size, DHCPMessage *request) { | |
387 | uint16_t udp_check = 0; | |
388 | uint8_t *msg_bytes = (uint8_t *)request; | |
389 | int res; | |
390 | ||
391 | res = dhcp_option_parse(request, size, check_options, NULL); | |
392 | assert_se(res == DHCP_REQUEST); | |
393 | assert_se(xid == request->xid); | |
394 | ||
395 | assert_se(msg_bytes[size - 1] == DHCP_OPTION_END); | |
396 | ||
397 | if (verbose) | |
398 | printf(" recv DHCP Request 0x%08x\n", be32toh(xid)); | |
399 | ||
400 | memcpy(&test_addr_acq_ack[26], &udp_check, sizeof(udp_check)); | |
401 | memcpy(&test_addr_acq_ack[32], &xid, sizeof(xid)); | |
402 | memcpy(&test_addr_acq_ack[56], &mac_addr, ETHER_ADDR_LEN); | |
403 | ||
404 | callback_recv = NULL; | |
405 | ||
406 | res = write(test_fd[1], test_addr_acq_ack, | |
407 | sizeof(test_addr_acq_ack)); | |
408 | assert_se(res == sizeof(test_addr_acq_ack)); | |
409 | ||
410 | if (verbose) | |
411 | printf(" send DHCP Ack\n"); | |
412 | ||
413 | return 0; | |
414 | }; | |
415 | ||
416 | static int test_addr_acq_recv_discover(size_t size, DHCPMessage *discover) { | |
417 | uint16_t udp_check = 0; | |
418 | uint8_t *msg_bytes = (uint8_t *)discover; | |
419 | int res; | |
420 | ||
421 | res = dhcp_option_parse(discover, size, check_options, NULL); | |
422 | assert_se(res == DHCP_DISCOVER); | |
423 | ||
424 | assert_se(msg_bytes[size - 1] == DHCP_OPTION_END); | |
425 | ||
426 | xid = discover->xid; | |
427 | ||
428 | if (verbose) | |
429 | printf(" recv DHCP Discover 0x%08x\n", be32toh(xid)); | |
430 | ||
431 | memcpy(&test_addr_acq_offer[26], &udp_check, sizeof(udp_check)); | |
432 | memcpy(&test_addr_acq_offer[32], &xid, sizeof(xid)); | |
433 | memcpy(&test_addr_acq_offer[56], &mac_addr, ETHER_ADDR_LEN); | |
434 | ||
435 | callback_recv = test_addr_acq_recv_request; | |
436 | ||
437 | res = write(test_fd[1], test_addr_acq_offer, | |
438 | sizeof(test_addr_acq_offer)); | |
439 | assert_se(res == sizeof(test_addr_acq_offer)); | |
440 | ||
441 | if (verbose) | |
442 | printf(" sent DHCP Offer\n"); | |
443 | ||
444 | return 0; | |
445 | } | |
446 | ||
447 | static void test_addr_acq(sd_event *e) { | |
448 | usec_t time_now = now(clock_boottime_or_monotonic()); | |
449 | sd_dhcp_client *client; | |
450 | int res, r; | |
451 | ||
452 | if (verbose) | |
453 | printf("* %s\n", __FUNCTION__); | |
454 | ||
455 | r = sd_dhcp_client_new(&client); | |
456 | assert_se(r >= 0); | |
457 | assert_se(client); | |
458 | ||
459 | r = sd_dhcp_client_attach_event(client, e, 0); | |
460 | assert_se(r >= 0); | |
461 | ||
462 | assert_se(sd_dhcp_client_set_index(client, 42) >= 0); | |
463 | assert_se(sd_dhcp_client_set_mac(client, mac_addr, ETH_ALEN, ARPHRD_ETHER) >= 0); | |
464 | ||
465 | assert_se(sd_dhcp_client_set_callback(client, test_addr_acq_acquired, e) >= 0); | |
466 | ||
467 | callback_recv = test_addr_acq_recv_discover; | |
468 | ||
469 | assert_se(sd_event_add_time(e, &test_hangcheck, | |
470 | clock_boottime_or_monotonic(), | |
471 | time_now + 2 * USEC_PER_SEC, 0, | |
472 | test_dhcp_hangcheck, NULL) >= 0); | |
473 | ||
474 | res = sd_dhcp_client_start(client); | |
475 | assert_se(res == 0 || res == -EINPROGRESS); | |
476 | ||
477 | assert_se(sd_event_loop(e) >= 0); | |
478 | ||
479 | test_hangcheck = sd_event_source_unref(test_hangcheck); | |
480 | ||
481 | assert_se(sd_dhcp_client_set_callback(client, NULL, NULL) >= 0); | |
482 | assert_se(sd_dhcp_client_stop(client) >= 0); | |
483 | sd_dhcp_client_unref(client); | |
484 | ||
485 | test_fd[1] = safe_close(test_fd[1]); | |
486 | ||
487 | callback_recv = NULL; | |
488 | xid = 0; | |
489 | } | |
490 | ||
491 | int main(int argc, char *argv[]) { | |
492 | _cleanup_event_unref_ sd_event *e; | |
493 | ||
494 | log_set_max_level(LOG_DEBUG); | |
495 | log_parse_environment(); | |
496 | log_open(); | |
497 | ||
498 | assert_se(sd_event_new(&e) >= 0); | |
499 | ||
500 | test_request_basic(e); | |
501 | test_checksum(); | |
502 | ||
503 | test_discover_message(e); | |
504 | test_addr_acq(e); | |
505 | ||
506 | #ifdef VALGRIND | |
507 | /* Make sure the async_close thread has finished. | |
508 | * valgrind would report some of the phread_* structures | |
509 | * as not cleaned up properly. */ | |
510 | sleep(1); | |
511 | #endif | |
512 | ||
513 | return 0; | |
514 | } |