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Commit | Line | Data |
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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
b44cd882 | 2 | /*** |
810adae9 | 3 | Copyright © 2013 Intel Corporation. All rights reserved. |
b44cd882 TG |
4 | ***/ |
5 | ||
b44cd882 TG |
6 | #include <errno.h> |
7 | ||
07630cea | 8 | #include "sd-dhcp-server.h" |
b44cd882 | 9 | #include "sd-event.h" |
b44cd882 | 10 | |
b44cd882 | 11 | #include "dhcp-server-internal.h" |
317bb217 | 12 | #include "tests.h" |
b44cd882 | 13 | |
99634696 | 14 | static void test_pool(struct in_addr *address, unsigned size, int ret) { |
4afd3348 | 15 | _cleanup_(sd_dhcp_server_unrefp) sd_dhcp_server *server = NULL; |
99634696 TG |
16 | |
17 | assert_se(sd_dhcp_server_new(&server, 1) >= 0); | |
18 | ||
19 | assert_se(sd_dhcp_server_configure_pool(server, address, 8, 0, size) == ret); | |
20 | } | |
21 | ||
6f08fb7b | 22 | static int test_basic(sd_event *event) { |
4afd3348 | 23 | _cleanup_(sd_dhcp_server_unrefp) sd_dhcp_server *server = NULL; |
20af7091 TG |
24 | struct in_addr address_lo = { |
25 | .s_addr = htonl(INADDR_LOOPBACK), | |
26 | }; | |
27 | struct in_addr address_any = { | |
28 | .s_addr = htonl(INADDR_ANY), | |
29 | }; | |
6f08fb7b | 30 | int r; |
b44cd882 | 31 | |
3a864fe4 TG |
32 | /* attach to loopback interface */ |
33 | assert_se(sd_dhcp_server_new(&server, 1) >= 0); | |
b44cd882 TG |
34 | assert_se(server); |
35 | ||
36 | assert_se(sd_dhcp_server_attach_event(server, event, 0) >= 0); | |
37 | assert_se(sd_dhcp_server_attach_event(server, event, 0) == -EBUSY); | |
38 | assert_se(sd_dhcp_server_get_event(server) == event); | |
39 | assert_se(sd_dhcp_server_detach_event(server) >= 0); | |
40 | assert_se(!sd_dhcp_server_get_event(server)); | |
41 | assert_se(sd_dhcp_server_attach_event(server, NULL, 0) >= 0); | |
42 | assert_se(sd_dhcp_server_attach_event(server, NULL, 0) == -EBUSY); | |
43 | ||
44 | assert_se(sd_dhcp_server_ref(server) == server); | |
45 | assert_se(!sd_dhcp_server_unref(server)); | |
ff734080 | 46 | |
20af7091 | 47 | assert_se(sd_dhcp_server_start(server) == -EUNATCH); |
20af7091 | 48 | |
99634696 TG |
49 | assert_se(sd_dhcp_server_configure_pool(server, &address_any, 28, 0, 0) == -EINVAL); |
50 | assert_se(sd_dhcp_server_configure_pool(server, &address_lo, 38, 0, 0) == -ERANGE); | |
51 | assert_se(sd_dhcp_server_configure_pool(server, &address_lo, 8, 0, 0) >= 0); | |
45a9eac9 | 52 | assert_se(sd_dhcp_server_configure_pool(server, &address_lo, 8, 0, 0) >= 0); |
99634696 TG |
53 | |
54 | test_pool(&address_any, 1, -EINVAL); | |
55 | test_pool(&address_lo, 1, 0); | |
2dead812 | 56 | |
6f08fb7b | 57 | r = sd_dhcp_server_start(server); |
6f08fb7b | 58 | if (r == -EPERM) |
08d541ca | 59 | return log_info_errno(r, "sd_dhcp_server_start failed: %m"); |
6f08fb7b TG |
60 | assert_se(r >= 0); |
61 | ||
ff734080 TG |
62 | assert_se(sd_dhcp_server_start(server) == -EBUSY); |
63 | assert_se(sd_dhcp_server_stop(server) >= 0); | |
64 | assert_se(sd_dhcp_server_stop(server) >= 0); | |
65 | assert_se(sd_dhcp_server_start(server) >= 0); | |
6f08fb7b TG |
66 | |
67 | return 0; | |
b44cd882 TG |
68 | } |
69 | ||
be077570 | 70 | static void test_message_handler(void) { |
4afd3348 | 71 | _cleanup_(sd_dhcp_server_unrefp) sd_dhcp_server *server = NULL; |
be077570 TG |
72 | struct { |
73 | DHCPMessage message; | |
74 | struct { | |
75 | uint8_t code; | |
76 | uint8_t length; | |
77 | uint8_t type; | |
78 | } _packed_ option_type; | |
2dead812 TG |
79 | struct { |
80 | uint8_t code; | |
81 | uint8_t length; | |
82 | be32_t address; | |
83 | } _packed_ option_requested_ip; | |
84 | struct { | |
85 | uint8_t code; | |
86 | uint8_t length; | |
87 | be32_t address; | |
88 | } _packed_ option_server_id; | |
87322b3a TG |
89 | struct { |
90 | uint8_t code; | |
91 | uint8_t length; | |
92 | uint8_t id[7]; | |
93 | } _packed_ option_client_id; | |
be077570 TG |
94 | uint8_t end; |
95 | } _packed_ test = { | |
96 | .message.op = BOOTREQUEST, | |
97 | .message.htype = ARPHRD_ETHER, | |
98 | .message.hlen = ETHER_ADDR_LEN, | |
2dead812 TG |
99 | .message.xid = htobe32(0x12345678), |
100 | .message.chaddr = { 'A', 'B', 'C', 'D', 'E', 'F' }, | |
22805d92 | 101 | .option_type.code = SD_DHCP_OPTION_MESSAGE_TYPE, |
be077570 TG |
102 | .option_type.length = 1, |
103 | .option_type.type = DHCP_DISCOVER, | |
22805d92 | 104 | .end = SD_DHCP_OPTION_END, |
be077570 | 105 | }; |
20af7091 TG |
106 | struct in_addr address_lo = { |
107 | .s_addr = htonl(INADDR_LOOPBACK), | |
108 | }; | |
be077570 TG |
109 | |
110 | assert_se(sd_dhcp_server_new(&server, 1) >= 0); | |
99634696 | 111 | assert_se(sd_dhcp_server_configure_pool(server, &address_lo, 8, 0, 0) >= 0); |
20af7091 TG |
112 | assert_se(sd_dhcp_server_attach_event(server, NULL, 0) >= 0); |
113 | assert_se(sd_dhcp_server_start(server) >= 0); | |
be077570 | 114 | |
4dc35568 | 115 | assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == DHCP_OFFER); |
be077570 TG |
116 | |
117 | test.end = 0; | |
118 | /* TODO, shouldn't this fail? */ | |
4dc35568 | 119 | assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == DHCP_OFFER); |
22805d92 | 120 | test.end = SD_DHCP_OPTION_END; |
4dc35568 | 121 | assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == DHCP_OFFER); |
be077570 TG |
122 | |
123 | test.option_type.code = 0; | |
124 | test.option_type.length = 0; | |
125 | test.option_type.type = 0; | |
126 | assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == 0); | |
22805d92 | 127 | test.option_type.code = SD_DHCP_OPTION_MESSAGE_TYPE; |
be077570 TG |
128 | test.option_type.length = 1; |
129 | test.option_type.type = DHCP_DISCOVER; | |
4dc35568 | 130 | assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == DHCP_OFFER); |
be077570 TG |
131 | |
132 | test.message.op = 0; | |
133 | assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == 0); | |
134 | test.message.op = BOOTREQUEST; | |
4dc35568 | 135 | assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == DHCP_OFFER); |
be077570 TG |
136 | |
137 | test.message.htype = 0; | |
138 | assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == 0); | |
139 | test.message.htype = ARPHRD_ETHER; | |
4dc35568 | 140 | assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == DHCP_OFFER); |
be077570 TG |
141 | |
142 | test.message.hlen = 0; | |
143 | assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == 0); | |
144 | test.message.hlen = ETHER_ADDR_LEN; | |
4dc35568 | 145 | assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == DHCP_OFFER); |
2dead812 TG |
146 | |
147 | test.option_type.type = DHCP_REQUEST; | |
148 | assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == 0); | |
22805d92 | 149 | test.option_requested_ip.code = SD_DHCP_OPTION_REQUESTED_IP_ADDRESS; |
2dead812 TG |
150 | test.option_requested_ip.length = 4; |
151 | test.option_requested_ip.address = htobe32(0x12345678); | |
bd57b450 | 152 | assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == DHCP_NAK); |
22805d92 | 153 | test.option_server_id.code = SD_DHCP_OPTION_SERVER_IDENTIFIER; |
2dead812 TG |
154 | test.option_server_id.length = 4; |
155 | test.option_server_id.address = htobe32(INADDR_LOOPBACK); | |
156 | test.option_requested_ip.address = htobe32(INADDR_LOOPBACK + 3); | |
157 | assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == DHCP_ACK); | |
87322b3a | 158 | |
2dead812 TG |
159 | test.option_server_id.address = htobe32(0x12345678); |
160 | test.option_requested_ip.address = htobe32(INADDR_LOOPBACK + 3); | |
161 | assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == 0); | |
bd57b450 | 162 | test.option_server_id.address = htobe32(INADDR_LOOPBACK); |
87322b3a TG |
163 | test.option_requested_ip.address = htobe32(INADDR_LOOPBACK + 4); |
164 | assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == 0); | |
165 | test.option_requested_ip.address = htobe32(INADDR_LOOPBACK + 3); | |
166 | assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == DHCP_ACK); | |
167 | ||
22805d92 | 168 | test.option_client_id.code = SD_DHCP_OPTION_CLIENT_IDENTIFIER; |
87322b3a TG |
169 | test.option_client_id.length = 7; |
170 | test.option_client_id.id[0] = 0x01; | |
171 | test.option_client_id.id[1] = 'A'; | |
172 | test.option_client_id.id[2] = 'B'; | |
173 | test.option_client_id.id[3] = 'C'; | |
174 | test.option_client_id.id[4] = 'D'; | |
175 | test.option_client_id.id[5] = 'E'; | |
176 | test.option_client_id.id[6] = 'F'; | |
177 | assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == DHCP_ACK); | |
178 | ||
bd57b450 | 179 | test.option_requested_ip.address = htobe32(INADDR_LOOPBACK + 30); |
2dead812 | 180 | assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == 0); |
be077570 TG |
181 | } |
182 | ||
b826ab58 TG |
183 | static uint64_t client_id_hash_helper(DHCPClientId *id, uint8_t key[HASH_KEY_SIZE]) { |
184 | struct siphash state; | |
185 | ||
0cb3c286 | 186 | siphash24_init(&state, key); |
b826ab58 | 187 | client_id_hash_func(id, &state); |
0cb3c286 | 188 | |
933f9cae | 189 | return htole64(siphash24_finalize(&state)); |
b826ab58 TG |
190 | } |
191 | ||
87322b3a TG |
192 | static void test_client_id_hash(void) { |
193 | DHCPClientId a = { | |
194 | .length = 4, | |
195 | }, b = { | |
196 | .length = 4, | |
197 | }; | |
198 | uint8_t hash_key[HASH_KEY_SIZE] = { | |
199 | '0', '1', '2', '3', '4', '5', '6', '7', | |
200 | '8', '9', 'A', 'B', 'C', 'D', 'E', 'F', | |
201 | }; | |
202 | ||
203 | a.data = (uint8_t*)strdup("abcd"); | |
204 | b.data = (uint8_t*)strdup("abcd"); | |
205 | ||
206 | assert_se(client_id_compare_func(&a, &b) == 0); | |
b826ab58 | 207 | assert_se(client_id_hash_helper(&a, hash_key) == client_id_hash_helper(&b, hash_key)); |
87322b3a TG |
208 | a.length = 3; |
209 | assert_se(client_id_compare_func(&a, &b) != 0); | |
210 | a.length = 4; | |
211 | assert_se(client_id_compare_func(&a, &b) == 0); | |
b826ab58 | 212 | assert_se(client_id_hash_helper(&a, hash_key) == client_id_hash_helper(&b, hash_key)); |
87322b3a TG |
213 | |
214 | b.length = 3; | |
215 | assert_se(client_id_compare_func(&a, &b) != 0); | |
216 | b.length = 4; | |
217 | assert_se(client_id_compare_func(&a, &b) == 0); | |
b826ab58 | 218 | assert_se(client_id_hash_helper(&a, hash_key) == client_id_hash_helper(&b, hash_key)); |
87322b3a TG |
219 | |
220 | free(b.data); | |
221 | b.data = (uint8_t*)strdup("abce"); | |
222 | assert_se(client_id_compare_func(&a, &b) != 0); | |
223 | ||
224 | free(a.data); | |
225 | free(b.data); | |
226 | } | |
227 | ||
b44cd882 | 228 | int main(int argc, char *argv[]) { |
4afd3348 | 229 | _cleanup_(sd_event_unrefp) sd_event *e; |
6f08fb7b | 230 | int r; |
b44cd882 | 231 | |
6d7c4033 | 232 | test_setup_logging(LOG_DEBUG); |
b44cd882 TG |
233 | |
234 | assert_se(sd_event_new(&e) >= 0); | |
235 | ||
6f08fb7b | 236 | r = test_basic(e); |
317bb217 ZJS |
237 | if (r != 0) |
238 | return log_tests_skipped("cannot start dhcp server"); | |
6f08fb7b | 239 | |
be077570 | 240 | test_message_handler(); |
87322b3a | 241 | test_client_id_hash(); |
b44cd882 TG |
242 | |
243 | return 0; | |
244 | } |