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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
b44cd882 TG |
2 | /*** |
3 | This file is part of systemd. | |
4 | ||
5 | Copyright (C) 2013 Intel Corporation. All rights reserved. | |
6 | Copyright (C) 2014 Tom Gundersen | |
b44cd882 TG |
7 | ***/ |
8 | ||
b44cd882 TG |
9 | #include <errno.h> |
10 | ||
07630cea | 11 | #include "sd-dhcp-server.h" |
b44cd882 | 12 | #include "sd-event.h" |
b44cd882 | 13 | |
b44cd882 TG |
14 | #include "dhcp-server-internal.h" |
15 | ||
99634696 | 16 | static void test_pool(struct in_addr *address, unsigned size, int ret) { |
4afd3348 | 17 | _cleanup_(sd_dhcp_server_unrefp) sd_dhcp_server *server = NULL; |
99634696 TG |
18 | |
19 | assert_se(sd_dhcp_server_new(&server, 1) >= 0); | |
20 | ||
21 | assert_se(sd_dhcp_server_configure_pool(server, address, 8, 0, size) == ret); | |
22 | } | |
23 | ||
6f08fb7b | 24 | static int test_basic(sd_event *event) { |
4afd3348 | 25 | _cleanup_(sd_dhcp_server_unrefp) sd_dhcp_server *server = NULL; |
20af7091 TG |
26 | struct in_addr address_lo = { |
27 | .s_addr = htonl(INADDR_LOOPBACK), | |
28 | }; | |
29 | struct in_addr address_any = { | |
30 | .s_addr = htonl(INADDR_ANY), | |
31 | }; | |
6f08fb7b | 32 | int r; |
b44cd882 | 33 | |
3a864fe4 TG |
34 | /* attach to loopback interface */ |
35 | assert_se(sd_dhcp_server_new(&server, 1) >= 0); | |
b44cd882 TG |
36 | assert_se(server); |
37 | ||
38 | assert_se(sd_dhcp_server_attach_event(server, event, 0) >= 0); | |
39 | assert_se(sd_dhcp_server_attach_event(server, event, 0) == -EBUSY); | |
40 | assert_se(sd_dhcp_server_get_event(server) == event); | |
41 | assert_se(sd_dhcp_server_detach_event(server) >= 0); | |
42 | assert_se(!sd_dhcp_server_get_event(server)); | |
43 | assert_se(sd_dhcp_server_attach_event(server, NULL, 0) >= 0); | |
44 | assert_se(sd_dhcp_server_attach_event(server, NULL, 0) == -EBUSY); | |
45 | ||
46 | assert_se(sd_dhcp_server_ref(server) == server); | |
47 | assert_se(!sd_dhcp_server_unref(server)); | |
ff734080 | 48 | |
20af7091 | 49 | assert_se(sd_dhcp_server_start(server) == -EUNATCH); |
20af7091 | 50 | |
99634696 TG |
51 | assert_se(sd_dhcp_server_configure_pool(server, &address_any, 28, 0, 0) == -EINVAL); |
52 | assert_se(sd_dhcp_server_configure_pool(server, &address_lo, 38, 0, 0) == -ERANGE); | |
53 | assert_se(sd_dhcp_server_configure_pool(server, &address_lo, 8, 0, 0) >= 0); | |
45a9eac9 | 54 | assert_se(sd_dhcp_server_configure_pool(server, &address_lo, 8, 0, 0) >= 0); |
99634696 TG |
55 | |
56 | test_pool(&address_any, 1, -EINVAL); | |
57 | test_pool(&address_lo, 1, 0); | |
2dead812 | 58 | |
6f08fb7b TG |
59 | r = sd_dhcp_server_start(server); |
60 | ||
61 | if (r == -EPERM) | |
62 | return EXIT_TEST_SKIP; | |
63 | assert_se(r >= 0); | |
64 | ||
ff734080 TG |
65 | assert_se(sd_dhcp_server_start(server) == -EBUSY); |
66 | assert_se(sd_dhcp_server_stop(server) >= 0); | |
67 | assert_se(sd_dhcp_server_stop(server) >= 0); | |
68 | assert_se(sd_dhcp_server_start(server) >= 0); | |
6f08fb7b TG |
69 | |
70 | return 0; | |
b44cd882 TG |
71 | } |
72 | ||
be077570 | 73 | static void test_message_handler(void) { |
4afd3348 | 74 | _cleanup_(sd_dhcp_server_unrefp) sd_dhcp_server *server = NULL; |
be077570 TG |
75 | struct { |
76 | DHCPMessage message; | |
77 | struct { | |
78 | uint8_t code; | |
79 | uint8_t length; | |
80 | uint8_t type; | |
81 | } _packed_ option_type; | |
2dead812 TG |
82 | struct { |
83 | uint8_t code; | |
84 | uint8_t length; | |
85 | be32_t address; | |
86 | } _packed_ option_requested_ip; | |
87 | struct { | |
88 | uint8_t code; | |
89 | uint8_t length; | |
90 | be32_t address; | |
91 | } _packed_ option_server_id; | |
87322b3a TG |
92 | struct { |
93 | uint8_t code; | |
94 | uint8_t length; | |
95 | uint8_t id[7]; | |
96 | } _packed_ option_client_id; | |
be077570 TG |
97 | uint8_t end; |
98 | } _packed_ test = { | |
99 | .message.op = BOOTREQUEST, | |
100 | .message.htype = ARPHRD_ETHER, | |
101 | .message.hlen = ETHER_ADDR_LEN, | |
2dead812 TG |
102 | .message.xid = htobe32(0x12345678), |
103 | .message.chaddr = { 'A', 'B', 'C', 'D', 'E', 'F' }, | |
22805d92 | 104 | .option_type.code = SD_DHCP_OPTION_MESSAGE_TYPE, |
be077570 TG |
105 | .option_type.length = 1, |
106 | .option_type.type = DHCP_DISCOVER, | |
22805d92 | 107 | .end = SD_DHCP_OPTION_END, |
be077570 | 108 | }; |
20af7091 TG |
109 | struct in_addr address_lo = { |
110 | .s_addr = htonl(INADDR_LOOPBACK), | |
111 | }; | |
be077570 TG |
112 | |
113 | assert_se(sd_dhcp_server_new(&server, 1) >= 0); | |
99634696 | 114 | assert_se(sd_dhcp_server_configure_pool(server, &address_lo, 8, 0, 0) >= 0); |
20af7091 TG |
115 | assert_se(sd_dhcp_server_attach_event(server, NULL, 0) >= 0); |
116 | assert_se(sd_dhcp_server_start(server) >= 0); | |
be077570 | 117 | |
4dc35568 | 118 | assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == DHCP_OFFER); |
be077570 TG |
119 | |
120 | test.end = 0; | |
121 | /* TODO, shouldn't this fail? */ | |
4dc35568 | 122 | assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == DHCP_OFFER); |
22805d92 | 123 | test.end = SD_DHCP_OPTION_END; |
4dc35568 | 124 | assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == DHCP_OFFER); |
be077570 TG |
125 | |
126 | test.option_type.code = 0; | |
127 | test.option_type.length = 0; | |
128 | test.option_type.type = 0; | |
129 | assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == 0); | |
22805d92 | 130 | test.option_type.code = SD_DHCP_OPTION_MESSAGE_TYPE; |
be077570 TG |
131 | test.option_type.length = 1; |
132 | test.option_type.type = DHCP_DISCOVER; | |
4dc35568 | 133 | assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == DHCP_OFFER); |
be077570 TG |
134 | |
135 | test.message.op = 0; | |
136 | assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == 0); | |
137 | test.message.op = BOOTREQUEST; | |
4dc35568 | 138 | assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == DHCP_OFFER); |
be077570 TG |
139 | |
140 | test.message.htype = 0; | |
141 | assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == 0); | |
142 | test.message.htype = ARPHRD_ETHER; | |
4dc35568 | 143 | assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == DHCP_OFFER); |
be077570 TG |
144 | |
145 | test.message.hlen = 0; | |
146 | assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == 0); | |
147 | test.message.hlen = ETHER_ADDR_LEN; | |
4dc35568 | 148 | assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == DHCP_OFFER); |
2dead812 TG |
149 | |
150 | test.option_type.type = DHCP_REQUEST; | |
151 | assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == 0); | |
22805d92 | 152 | test.option_requested_ip.code = SD_DHCP_OPTION_REQUESTED_IP_ADDRESS; |
2dead812 TG |
153 | test.option_requested_ip.length = 4; |
154 | test.option_requested_ip.address = htobe32(0x12345678); | |
bd57b450 | 155 | assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == DHCP_NAK); |
22805d92 | 156 | test.option_server_id.code = SD_DHCP_OPTION_SERVER_IDENTIFIER; |
2dead812 TG |
157 | test.option_server_id.length = 4; |
158 | test.option_server_id.address = htobe32(INADDR_LOOPBACK); | |
159 | test.option_requested_ip.address = htobe32(INADDR_LOOPBACK + 3); | |
160 | assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == DHCP_ACK); | |
87322b3a | 161 | |
2dead812 TG |
162 | test.option_server_id.address = htobe32(0x12345678); |
163 | test.option_requested_ip.address = htobe32(INADDR_LOOPBACK + 3); | |
164 | assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == 0); | |
bd57b450 | 165 | test.option_server_id.address = htobe32(INADDR_LOOPBACK); |
87322b3a TG |
166 | test.option_requested_ip.address = htobe32(INADDR_LOOPBACK + 4); |
167 | assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == 0); | |
168 | test.option_requested_ip.address = htobe32(INADDR_LOOPBACK + 3); | |
169 | assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == DHCP_ACK); | |
170 | ||
22805d92 | 171 | test.option_client_id.code = SD_DHCP_OPTION_CLIENT_IDENTIFIER; |
87322b3a TG |
172 | test.option_client_id.length = 7; |
173 | test.option_client_id.id[0] = 0x01; | |
174 | test.option_client_id.id[1] = 'A'; | |
175 | test.option_client_id.id[2] = 'B'; | |
176 | test.option_client_id.id[3] = 'C'; | |
177 | test.option_client_id.id[4] = 'D'; | |
178 | test.option_client_id.id[5] = 'E'; | |
179 | test.option_client_id.id[6] = 'F'; | |
180 | assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == DHCP_ACK); | |
181 | ||
bd57b450 | 182 | test.option_requested_ip.address = htobe32(INADDR_LOOPBACK + 30); |
2dead812 | 183 | assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == 0); |
be077570 TG |
184 | } |
185 | ||
b826ab58 TG |
186 | static uint64_t client_id_hash_helper(DHCPClientId *id, uint8_t key[HASH_KEY_SIZE]) { |
187 | struct siphash state; | |
188 | ||
0cb3c286 | 189 | siphash24_init(&state, key); |
b826ab58 | 190 | client_id_hash_func(id, &state); |
0cb3c286 | 191 | |
933f9cae | 192 | return htole64(siphash24_finalize(&state)); |
b826ab58 TG |
193 | } |
194 | ||
87322b3a TG |
195 | static void test_client_id_hash(void) { |
196 | DHCPClientId a = { | |
197 | .length = 4, | |
198 | }, b = { | |
199 | .length = 4, | |
200 | }; | |
201 | uint8_t hash_key[HASH_KEY_SIZE] = { | |
202 | '0', '1', '2', '3', '4', '5', '6', '7', | |
203 | '8', '9', 'A', 'B', 'C', 'D', 'E', 'F', | |
204 | }; | |
205 | ||
206 | a.data = (uint8_t*)strdup("abcd"); | |
207 | b.data = (uint8_t*)strdup("abcd"); | |
208 | ||
209 | assert_se(client_id_compare_func(&a, &b) == 0); | |
b826ab58 | 210 | assert_se(client_id_hash_helper(&a, hash_key) == client_id_hash_helper(&b, hash_key)); |
87322b3a TG |
211 | a.length = 3; |
212 | assert_se(client_id_compare_func(&a, &b) != 0); | |
213 | a.length = 4; | |
214 | assert_se(client_id_compare_func(&a, &b) == 0); | |
b826ab58 | 215 | assert_se(client_id_hash_helper(&a, hash_key) == client_id_hash_helper(&b, hash_key)); |
87322b3a TG |
216 | |
217 | b.length = 3; | |
218 | assert_se(client_id_compare_func(&a, &b) != 0); | |
219 | b.length = 4; | |
220 | assert_se(client_id_compare_func(&a, &b) == 0); | |
b826ab58 | 221 | assert_se(client_id_hash_helper(&a, hash_key) == client_id_hash_helper(&b, hash_key)); |
87322b3a TG |
222 | |
223 | free(b.data); | |
224 | b.data = (uint8_t*)strdup("abce"); | |
225 | assert_se(client_id_compare_func(&a, &b) != 0); | |
226 | ||
227 | free(a.data); | |
228 | free(b.data); | |
229 | } | |
230 | ||
b44cd882 | 231 | int main(int argc, char *argv[]) { |
4afd3348 | 232 | _cleanup_(sd_event_unrefp) sd_event *e; |
6f08fb7b | 233 | int r; |
b44cd882 TG |
234 | |
235 | log_set_max_level(LOG_DEBUG); | |
236 | log_parse_environment(); | |
237 | log_open(); | |
238 | ||
239 | assert_se(sd_event_new(&e) >= 0); | |
240 | ||
6f08fb7b TG |
241 | r = test_basic(e); |
242 | if (r != 0) | |
243 | return r; | |
244 | ||
be077570 | 245 | test_message_handler(); |
87322b3a | 246 | test_client_id_hash(); |
b44cd882 TG |
247 | |
248 | return 0; | |
249 | } |