1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
|
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#ifndef foosddhcpclienthfoo
#define foosddhcpclienthfoo
/***
Copyright © 2013 Intel Corporation. All rights reserved.
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <https://www.gnu.org/licenses/>.
***/
#include <inttypes.h>
#include <net/ethernet.h>
#include <netinet/in.h>
#include <sys/types.h>
#include <stdbool.h>
#include "sd-dhcp-lease.h"
#include "sd-dhcp-option.h"
#include "sd-event.h"
#include "_sd-common.h"
_SD_BEGIN_DECLARATIONS;
enum {
SD_DHCP_CLIENT_EVENT_STOP = 0,
SD_DHCP_CLIENT_EVENT_IP_ACQUIRE = 1,
SD_DHCP_CLIENT_EVENT_IP_CHANGE = 2,
SD_DHCP_CLIENT_EVENT_EXPIRED = 3,
SD_DHCP_CLIENT_EVENT_RENEW = 4,
SD_DHCP_CLIENT_EVENT_SELECTING = 5,
SD_DHCP_CLIENT_EVENT_TRANSIENT_FAILURE = 6 /* Sent when we have not received a reply after the first few attempts.
* The client may want to start acquiring link-local addresses. */
};
/* https://www.iana.org/assignments/bootp-dhcp-parameters/bootp-dhcp-parameters.xhtml#options */
enum {
SD_DHCP_OPTION_PAD = 0, /* [RFC2132] */
SD_DHCP_OPTION_SUBNET_MASK = 1, /* [RFC2132] */
SD_DHCP_OPTION_TIME_OFFSET = 2, /* [RFC2132], deprecated by 100 and 101 */
SD_DHCP_OPTION_ROUTER = 3, /* [RFC2132] */
SD_DHCP_OPTION_TIME_SERVER = 4, /* [RFC2132] */
SD_DHCP_OPTION_NAME_SERVER = 5, /* [RFC2132] */
SD_DHCP_OPTION_DOMAIN_NAME_SERVER = 6, /* [RFC2132] */
SD_DHCP_OPTION_LOG_SERVER = 7, /* [RFC2132] */
SD_DHCP_OPTION_QUOTES_SERVER = 8, /* [RFC2132] */
SD_DHCP_OPTION_LPR_SERVER = 9, /* [RFC2132] */
SD_DHCP_OPTION_IMPRESS_SERVER = 10, /* [RFC2132] */
SD_DHCP_OPTION_RLP_SERVER = 11, /* [RFC2132] */
SD_DHCP_OPTION_HOST_NAME = 12, /* [RFC2132] */
SD_DHCP_OPTION_BOOT_FILE_SIZE = 13, /* [RFC2132] */
SD_DHCP_OPTION_MERIT_DUMP_FILE = 14, /* [RFC2132] */
SD_DHCP_OPTION_DOMAIN_NAME = 15, /* [RFC2132] */
SD_DHCP_OPTION_SWAP_SERVER = 16, /* [RFC2132] */
SD_DHCP_OPTION_ROOT_PATH = 17, /* [RFC2132] */
SD_DHCP_OPTION_EXTENSION_FILE = 18, /* [RFC2132] */
SD_DHCP_OPTION_FORWARD = 19, /* [RFC2132] */
SD_DHCP_OPTION_SOURCE_ROUTE = 20, /* [RFC2132] */
SD_DHCP_OPTION_POLICY_FILTER = 21, /* [RFC2132] */
SD_DHCP_OPTION_MAX_DATAGRAM_ASSEMBLY = 22, /* [RFC2132] */
SD_DHCP_OPTION_DEFAULT_IP_TTL = 23, /* [RFC2132] */
SD_DHCP_OPTION_MTU_TIMEOUT = 24, /* [RFC2132] */
SD_DHCP_OPTION_MTU_PLATEAU = 25, /* [RFC2132] */
SD_DHCP_OPTION_MTU_INTERFACE = 26, /* [RFC2132] */
SD_DHCP_OPTION_MTU_SUBNET = 27, /* [RFC2132] */
SD_DHCP_OPTION_BROADCAST = 28, /* [RFC2132] */
SD_DHCP_OPTION_MASK_DISCOVERY = 29, /* [RFC2132] */
SD_DHCP_OPTION_MASK_SUPPLIER = 30, /* [RFC2132] */
SD_DHCP_OPTION_ROUTER_DISCOVERY = 31, /* [RFC2132] */
SD_DHCP_OPTION_ROUTER_REQUEST = 32, /* [RFC2132] */
SD_DHCP_OPTION_STATIC_ROUTE = 33, /* [RFC2132] */
SD_DHCP_OPTION_TRAILERS = 34, /* [RFC2132] */
SD_DHCP_OPTION_ARP_TIMEOUT = 35, /* [RFC2132] */
SD_DHCP_OPTION_ETHERNET = 36, /* [RFC2132] */
SD_DHCP_OPTION_DEFAULT_TCP_TTL = 37, /* [RFC2132] */
SD_DHCP_OPTION_KEEPALIVE_TIME = 38, /* [RFC2132] */
SD_DHCP_OPTION_KEEPALIVE_DATA = 39, /* [RFC2132] */
SD_DHCP_OPTION_NIS_DOMAIN = 40, /* [RFC2132] */
SD_DHCP_OPTION_NIS_SERVER = 41, /* [RFC2132] */
SD_DHCP_OPTION_NTP_SERVER = 42, /* [RFC2132] */
SD_DHCP_OPTION_VENDOR_SPECIFIC = 43, /* [RFC2132] */
SD_DHCP_OPTION_NETBIOS_NAME_SERVER = 44, /* [RFC2132] */
SD_DHCP_OPTION_NETBIOS_DIST_SERVER = 45, /* [RFC2132] */
SD_DHCP_OPTION_NETBIOS_NODE_TYPE = 46, /* [RFC2132] */
SD_DHCP_OPTION_NETBIOS_SCOPE = 47, /* [RFC2132] */
SD_DHCP_OPTION_X_WINDOW_FONT = 48, /* [RFC2132] */
SD_DHCP_OPTION_X_WINDOW_MANAGER = 49, /* [RFC2132] */
SD_DHCP_OPTION_REQUESTED_IP_ADDRESS = 50, /* [RFC2132] */
SD_DHCP_OPTION_IP_ADDRESS_LEASE_TIME = 51, /* [RFC2132] */
SD_DHCP_OPTION_OVERLOAD = 52, /* [RFC2132] */
SD_DHCP_OPTION_MESSAGE_TYPE = 53, /* [RFC2132] */
SD_DHCP_OPTION_SERVER_IDENTIFIER = 54, /* [RFC2132] */
SD_DHCP_OPTION_PARAMETER_REQUEST_LIST = 55, /* [RFC2132] */
SD_DHCP_OPTION_ERROR_MESSAGE = 56, /* [RFC2132] */
SD_DHCP_OPTION_MAXIMUM_MESSAGE_SIZE = 57, /* [RFC2132] */
SD_DHCP_OPTION_RENEWAL_TIME = 58, /* [RFC2132] */
SD_DHCP_OPTION_REBINDING_TIME = 59, /* [RFC2132] */
SD_DHCP_OPTION_VENDOR_CLASS_IDENTIFIER = 60, /* [RFC2132] */
SD_DHCP_OPTION_CLIENT_IDENTIFIER = 61, /* [RFC2132] */
SD_DHCP_OPTION_NETWARE_IP_DOMAIN = 62, /* [RFC2242] */
SD_DHCP_OPTION_NETWARE_IP_OPTION = 63, /* [RFC2242] */
SD_DHCP_OPTION_NIS_DOMAIN_NAME = 64, /* [RFC2132] */
SD_DHCP_OPTION_NIS_SERVER_ADDR = 65, /* [RFC2132] */
SD_DHCP_OPTION_BOOT_SERVER_NAME = 66, /* [RFC2132] */
SD_DHCP_OPTION_BOOT_FILENAME = 67, /* [RFC2132] */
SD_DHCP_OPTION_HOME_AGENT_ADDRESSES = 68, /* [RFC2132] */
SD_DHCP_OPTION_SMTP_SERVER = 69, /* [RFC2132] */
SD_DHCP_OPTION_POP3_SERVER = 70, /* [RFC2132] */
SD_DHCP_OPTION_NNTP_SERVER = 71, /* [RFC2132] */
SD_DHCP_OPTION_WWW_SERVER = 72, /* [RFC2132] */
SD_DHCP_OPTION_FINGER_SERVER = 73, /* [RFC2132] */
SD_DHCP_OPTION_IRC_SERVER = 74, /* [RFC2132] */
SD_DHCP_OPTION_STREETTALK_SERVER = 75, /* [RFC2132] */
SD_DHCP_OPTION_STDA_SERVER = 76, /* [RFC2132] */
SD_DHCP_OPTION_USER_CLASS = 77, /* [RFC3004] */
SD_DHCP_OPTION_DIRECTORY_AGENT = 78, /* [RFC2610] */
SD_DHCP_OPTION_SERVICE_SCOPE = 79, /* [RFC2610] */
SD_DHCP_OPTION_RAPID_COMMIT = 80, /* [RFC4039] */
SD_DHCP_OPTION_FQDN = 81, /* [RFC4702] */
SD_DHCP_OPTION_RELAY_AGENT_INFORMATION = 82, /* [RFC3046] */
SD_DHCP_OPTION_ISNS = 83, /* [RFC4174] */
/* option code 84 is unassigned [RFC3679] */
SD_DHCP_OPTION_NDS_SERVER = 85, /* [RFC2241] */
SD_DHCP_OPTION_NDS_TREE_NAME = 86, /* [RFC2241] */
SD_DHCP_OPTION_NDS_CONTEXT = 87, /* [RFC2241] */
SD_DHCP_OPTION_BCMCS_CONTROLLER_DOMAIN_NAME = 88, /* [RFC4280] */
SD_DHCP_OPTION_BCMCS_CONTROLLER_ADDRESS = 89, /* [RFC4280] */
SD_DHCP_OPTION_AUTHENTICATION = 90, /* [RFC3118] */
SD_DHCP_OPTION_CLIENT_LAST_TRANSACTION_TIME = 91, /* [RFC4388] */
SD_DHCP_OPTION_ASSOCIATED_IP = 92, /* [RFC4388] */
SD_DHCP_OPTION_CLIENT_SYSTEM = 93, /* [RFC4578] */
SD_DHCP_OPTION_CLIENT_NDI = 94, /* [RFC4578] */
SD_DHCP_OPTION_LDAP = 95, /* [RFC3679] */
/* option code 96 is unassigned [RFC3679] */
SD_DHCP_OPTION_UUID = 97, /* [RFC4578] */
SD_DHCP_OPTION_USER_AUTHENTICATION = 98, /* [RFC2485] */
SD_DHCP_OPTION_GEOCONF_CIVIC = 99, /* [RFC4776] */
SD_DHCP_OPTION_POSIX_TIMEZONE = 100, /* [RFC4833] */
SD_DHCP_OPTION_TZDB_TIMEZONE = 101, /* [RFC4833] */
/* option codes 102-107 are unassigned [RFC3679] */
SD_DHCP_OPTION_IPV6_ONLY_PREFERRED = 108, /* [RFC8925] */
SD_DHCP_OPTION_DHCP4O6_SOURCE_ADDRESS = 109, /* [RFC8539] */
/* option codes 110-111 are unassigned [RFC3679] */
SD_DHCP_OPTION_NETINFO_ADDRESS = 112, /* [RFC3679] */
SD_DHCP_OPTION_NETINFO_TAG = 113, /* [RFC3679] */
SD_DHCP_OPTION_DHCP_CAPTIVE_PORTAL = 114, /* [RFC8910] */
/* option code 115 is unassigned [RFC3679] */
SD_DHCP_OPTION_AUTO_CONFIG = 116, /* [RFC2563] */
SD_DHCP_OPTION_NAME_SERVICE_SEARCH = 117, /* [RFC2937] */
SD_DHCP_OPTION_SUBNET_SELECTION = 118, /* [RFC3011] */
SD_DHCP_OPTION_DOMAIN_SEARCH = 119, /* [RFC3397] */
SD_DHCP_OPTION_SIP_SERVER = 120, /* [RFC3361] */
SD_DHCP_OPTION_CLASSLESS_STATIC_ROUTE = 121, /* [RFC3442] */
SD_DHCP_OPTION_CABLELABS_CLIENT_CONFIGURATION = 122, /* [RFC3495] */
SD_DHCP_OPTION_GEOCONF = 123, /* [RFC6225] */
SD_DHCP_OPTION_VENDOR_CLASS = 124, /* [RFC3925] */
SD_DHCP_OPTION_VENDOR_SPECIFIC_INFORMATION = 125, /* [RFC3925] */
/* option codes 126-127 are unassigned [RFC3679] */
/* option codes 128-135 are assigned to use by PXE, but they are vendor specific [RFC4578] */
SD_DHCP_OPTION_PANA_AGENT = 136, /* [RFC5192] */
SD_DHCP_OPTION_LOST_SERVER_FQDN = 137, /* [RFC5223] */
SD_DHCP_OPTION_CAPWAP_AC_ADDRESS = 138, /* [RFC5417] */
SD_DHCP_OPTION_MOS_ADDRESS = 139, /* [RFC5678] */
SD_DHCP_OPTION_MOS_FQDN = 140, /* [RFC5678] */
SD_DHCP_OPTION_SIP_SERVICE_DOMAIN = 141, /* [RFC6011] */
SD_DHCP_OPTION_ANDSF_ADDRESS = 142, /* [RFC6153] */
SD_DHCP_OPTION_SZTP_REDIRECT = 143, /* [RFC8572] */
SD_DHCP_OPTION_GEOLOC = 144, /* [RFC6225] */
SD_DHCP_OPTION_FORCERENEW_NONCE_CAPABLE = 145, /* [RFC6704] */
SD_DHCP_OPTION_RDNSS_SELECTION = 146, /* [RFC6731] */
SD_DHCP_OPTION_DOTS_RI = 147, /* [RFC8973] */
SD_DHCP_OPTION_DOTS_ADDRESS = 148, /* [RFC8973] */
/* option code 149 is unassigned [RFC3942] */
SD_DHCP_OPTION_TFTP_SERVER_ADDRESS = 150, /* [RFC5859] */
SD_DHCP_OPTION_STATUS_CODE = 151, /* [RFC6926] */
SD_DHCP_OPTION_BASE_TIME = 152, /* [RFC6926] */
SD_DHCP_OPTION_START_TIME_OF_STATE = 153, /* [RFC6926] */
SD_DHCP_OPTION_QUERY_START_TIME = 154, /* [RFC6926] */
SD_DHCP_OPTION_QUERY_END_TIME = 155, /* [RFC6926] */
SD_DHCP_OPTION_DHCP_STATE = 156, /* [RFC6926] */
SD_DHCP_OPTION_DATA_SOURCE = 157, /* [RFC6926] */
SD_DHCP_OPTION_PCP_SERVER = 158, /* [RFC7291] */
SD_DHCP_OPTION_PORT_PARAMS = 159, /* [RFC7618] */
/* option code 160 is unassigned [RFC7710][RFC8910] */
SD_DHCP_OPTION_MUD_URL = 161, /* [RFC8520] */
/* option codes 162-174 are unassigned [RFC3942] */
/* option codes 175-177 are temporary assigned. */
/* option codes 178-207 are unassigned [RFC3942] */
SD_DHCP_OPTION_PXELINUX_MAGIC = 208, /* [RFC5071] Deprecated */
SD_DHCP_OPTION_CONFIGURATION_FILE = 209, /* [RFC5071] */
SD_DHCP_OPTION_PATH_PREFIX = 210, /* [RFC5071] */
SD_DHCP_OPTION_REBOOT_TIME = 211, /* [RFC5071] */
SD_DHCP_OPTION_6RD = 212, /* [RFC5969] */
SD_DHCP_OPTION_ACCESS_DOMAIN = 213, /* [RFC5986] */
/* option codes 214-219 are unassigned */
SD_DHCP_OPTION_SUBNET_ALLOCATION = 220, /* [RFC6656] */
SD_DHCP_OPTION_VIRTUAL_SUBNET_SELECTION = 221, /* [RFC6607] */
/* option codes 222-223 are unassigned [RFC3942] */
/* option codes 224-254 are reserved for private use */
SD_DHCP_OPTION_PRIVATE_BASE = 224,
SD_DHCP_OPTION_PRIVATE_CLASSLESS_STATIC_ROUTE = 249, /* [RFC7844] */
SD_DHCP_OPTION_PRIVATE_PROXY_AUTODISCOVERY = 252, /* [RFC7844] */
SD_DHCP_OPTION_PRIVATE_LAST = 254,
SD_DHCP_OPTION_END = 255 /* [RFC2132] */
};
/* Suboptions for SD_DHCP_OPTION_RELAY_AGENT_INFORMATION option */
enum {
SD_DHCP_RELAY_AGENT_CIRCUIT_ID = 1,
SD_DHCP_RELAY_AGENT_REMOTE_ID = 2
};
typedef struct sd_dhcp_client sd_dhcp_client;
typedef int (*sd_dhcp_client_callback_t)(sd_dhcp_client *client, int event, void *userdata);
int sd_dhcp_client_set_callback(
sd_dhcp_client *client,
sd_dhcp_client_callback_t cb,
void *userdata);
int sd_dhcp_client_set_request_option(
sd_dhcp_client *client,
uint8_t option);
int sd_dhcp_client_set_request_address(
sd_dhcp_client *client,
const struct in_addr *last_address);
int sd_dhcp_client_set_request_broadcast(
sd_dhcp_client *client,
int broadcast);
int sd_dhcp_client_set_ifindex(
sd_dhcp_client *client,
int interface_index);
int sd_dhcp_client_set_ifname(
sd_dhcp_client *client,
const char *interface_name);
int sd_dhcp_client_get_ifname(sd_dhcp_client *client, const char **ret);
int sd_dhcp_client_set_mac(
sd_dhcp_client *client,
const uint8_t *hw_addr,
const uint8_t *bcast_addr,
size_t addr_len,
uint16_t arp_type);
int sd_dhcp_client_set_client_id(
sd_dhcp_client *client,
uint8_t type,
const uint8_t *data,
size_t data_len);
__extension__ int sd_dhcp_client_set_iaid_duid(
sd_dhcp_client *client,
bool iaid_set,
uint32_t iaid,
uint16_t duid_type,
const void *duid,
size_t duid_len);
__extension__ int sd_dhcp_client_set_iaid_duid_llt(
sd_dhcp_client *client,
bool iaid_set,
uint32_t iaid,
uint64_t llt_time);
int sd_dhcp_client_set_duid(
sd_dhcp_client *client,
uint16_t duid_type,
const void *duid,
size_t duid_len);
int sd_dhcp_client_set_duid_llt(
sd_dhcp_client *client,
uint64_t llt_time);
int sd_dhcp_client_get_client_id(
sd_dhcp_client *client,
uint8_t *type,
const uint8_t **data,
size_t *data_len);
int sd_dhcp_client_set_mtu(
sd_dhcp_client *client,
uint32_t mtu);
int sd_dhcp_client_set_max_attempts(
sd_dhcp_client *client,
uint64_t attempt);
int sd_dhcp_client_set_client_port(
sd_dhcp_client *client,
uint16_t port);
int sd_dhcp_client_set_hostname(
sd_dhcp_client *client,
const char *hostname);
int sd_dhcp_client_set_vendor_class_identifier(
sd_dhcp_client *client,
const char *vci);
int sd_dhcp_client_set_mud_url(
sd_dhcp_client *client,
const char *mudurl);
int sd_dhcp_client_set_user_class(
sd_dhcp_client *client,
char * const *user_class);
int sd_dhcp_client_get_lease(
sd_dhcp_client *client,
sd_dhcp_lease **ret);
int sd_dhcp_client_set_service_type(
sd_dhcp_client *client,
int type);
int sd_dhcp_client_set_fallback_lease_lifetime(
sd_dhcp_client *client,
uint32_t fallback_lease_lifetime);
int sd_dhcp_client_add_option(sd_dhcp_client *client, sd_dhcp_option *v);
int sd_dhcp_client_add_vendor_option(sd_dhcp_client *client, sd_dhcp_option *v);
int sd_dhcp_client_is_running(sd_dhcp_client *client);
int sd_dhcp_client_stop(sd_dhcp_client *client);
int sd_dhcp_client_start(sd_dhcp_client *client);
int sd_dhcp_client_send_release(sd_dhcp_client *client);
int sd_dhcp_client_send_decline(sd_dhcp_client *client);
int sd_dhcp_client_send_renew(sd_dhcp_client *client);
sd_dhcp_client *sd_dhcp_client_ref(sd_dhcp_client *client);
sd_dhcp_client *sd_dhcp_client_unref(sd_dhcp_client *client);
/* NOTE: anonymize parameter is used to initialize PRL memory with different
* options when using RFC7844 Anonymity Profiles */
int sd_dhcp_client_new(sd_dhcp_client **ret, int anonymize);
int sd_dhcp_client_id_to_string(const void *data, size_t len, char **ret);
int sd_dhcp_client_attach_event(
sd_dhcp_client *client,
sd_event *event,
int64_t priority);
int sd_dhcp_client_detach_event(sd_dhcp_client *client);
sd_event *sd_dhcp_client_get_event(sd_dhcp_client *client);
_SD_DEFINE_POINTER_CLEANUP_FUNC(sd_dhcp_client, sd_dhcp_client_unref);
_SD_END_DECLARATIONS;
#endif
|
