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a032b68d MB |
1 | /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
2 | ||
3 | #include <netinet/in.h> | |
4 | #include <linux/if_arp.h> | |
f2dec872 | 5 | |
3a6ce677 | 6 | #include "bus-error.h" |
8b3d4ff0 | 7 | #include "dhcp-identifier.h" |
e1f67bc7 | 8 | #include "dhcp-internal.h" |
a10f5d05 | 9 | #include "dhcp6-internal.h" |
e1f67bc7 | 10 | #include "escape.h" |
8b3d4ff0 | 11 | #include "hexdecoct.h" |
e1f67bc7 | 12 | #include "in-addr-util.h" |
f2dec872 | 13 | #include "networkd-dhcp-common.h" |
a032b68d MB |
14 | #include "networkd-link.h" |
15 | #include "networkd-manager.h" | |
f2dec872 BR |
16 | #include "networkd-network.h" |
17 | #include "parse-util.h" | |
a032b68d | 18 | #include "socket-util.h" |
f2dec872 BR |
19 | #include "string-table.h" |
20 | #include "strv.h" | |
21 | ||
a032b68d MB |
22 | bool link_dhcp_enabled(Link *link, int family) { |
23 | assert(link); | |
24 | assert(IN_SET(family, AF_INET, AF_INET6)); | |
25 | ||
26 | if (family == AF_INET6 && !socket_ipv6_is_supported()) | |
27 | return false; | |
28 | ||
29 | if (link->flags & IFF_LOOPBACK) | |
30 | return false; | |
31 | ||
32 | if (link->iftype == ARPHRD_CAN) | |
33 | return false; | |
34 | ||
35 | if (!link->network) | |
36 | return false; | |
37 | ||
38 | return link->network->dhcp & (family == AF_INET ? ADDRESS_FAMILY_IPV4 : ADDRESS_FAMILY_IPV6); | |
39 | } | |
40 | ||
41 | void network_adjust_dhcp(Network *network) { | |
42 | assert(network); | |
43 | assert(network->dhcp >= 0); | |
44 | ||
45 | if (network->dhcp == ADDRESS_FAMILY_NO) | |
46 | return; | |
47 | ||
48 | /* Bonding slave does not support addressing. */ | |
49 | if (network->bond) { | |
50 | log_warning("%s: Cannot enable DHCP= when Bond= is specified, disabling DHCP=.", | |
51 | network->filename); | |
52 | network->dhcp = ADDRESS_FAMILY_NO; | |
53 | return; | |
54 | } | |
55 | ||
56 | if (!FLAGS_SET(network->link_local, ADDRESS_FAMILY_IPV6) && | |
57 | FLAGS_SET(network->dhcp, ADDRESS_FAMILY_IPV6)) { | |
58 | log_warning("%s: DHCPv6 client is enabled but IPv6 link local addressing is disabled. " | |
59 | "Disabling DHCPv6 client.", network->filename); | |
60 | SET_FLAG(network->dhcp, ADDRESS_FAMILY_IPV6, false); | |
61 | } | |
8b3d4ff0 MB |
62 | |
63 | network_adjust_dhcp4(network); | |
64 | } | |
65 | ||
66 | static bool duid_needs_product_uuid(const DUID *duid) { | |
67 | assert(duid); | |
68 | ||
69 | return duid->type == DUID_TYPE_UUID && duid->raw_data_len == 0; | |
a032b68d MB |
70 | } |
71 | ||
8b3d4ff0 MB |
72 | static const struct DUID fallback_duid = { .type = DUID_TYPE_EN }; |
73 | ||
74 | const DUID *link_get_duid(Link *link, int family) { | |
75 | const DUID *duid; | |
76 | ||
77 | assert(link); | |
78 | assert(IN_SET(family, AF_INET, AF_INET6)); | |
79 | ||
80 | if (link->network) { | |
81 | duid = family == AF_INET ? &link->network->dhcp_duid : &link->network->dhcp6_duid; | |
82 | if (duid->type != _DUID_TYPE_INVALID) { | |
83 | if (duid_needs_product_uuid(duid)) | |
84 | return &link->manager->duid_product_uuid; | |
85 | else | |
86 | return duid; | |
87 | } | |
88 | } | |
89 | ||
90 | duid = family == AF_INET ? &link->manager->dhcp_duid : &link->manager->dhcp6_duid; | |
91 | if (link->hw_addr.length == 0 && IN_SET(duid->type, DUID_TYPE_LLT, DUID_TYPE_LL)) | |
3a6ce677 BR |
92 | /* Fallback to DUID that works without MAC address. |
93 | * This is useful for tunnel devices without MAC address. */ | |
9e294e28 | 94 | return &fallback_duid; |
8b3d4ff0 MB |
95 | |
96 | return duid; | |
a032b68d MB |
97 | } |
98 | ||
8b3d4ff0 MB |
99 | static int link_configure_and_start_dhcp_delayed(Link *link) { |
100 | int r; | |
101 | ||
102 | assert(link); | |
a032b68d | 103 | |
8b3d4ff0 | 104 | if (!IN_SET(link->state, LINK_STATE_CONFIGURING, LINK_STATE_CONFIGURED)) |
a032b68d MB |
105 | return 0; |
106 | ||
8b3d4ff0 MB |
107 | if (!link->dhcp_client) { |
108 | r = dhcp4_configure(link); | |
109 | if (r < 0) | |
110 | return r; | |
111 | } | |
112 | ||
113 | if (!link->dhcp6_client) { | |
114 | r = dhcp6_configure(link); | |
115 | if (r < 0) | |
116 | return r; | |
117 | } | |
a032b68d | 118 | |
8b3d4ff0 MB |
119 | if (link->set_flags_messages > 0) |
120 | return 0; | |
a032b68d | 121 | |
8b3d4ff0 MB |
122 | if (!link_has_carrier(link)) |
123 | return 0; | |
124 | ||
125 | r = dhcp4_start(link); | |
126 | if (r < 0) | |
127 | return log_link_warning_errno(link, r, "Failed to start DHCPv4 client: %m"); | |
128 | ||
129 | r = ndisc_start(link); | |
130 | if (r < 0) | |
131 | return log_link_warning_errno(link, r, "Failed to start IPv6 Router Discovery: %m"); | |
132 | ||
133 | r = dhcp6_start(link); | |
134 | if (r < 0) | |
135 | return log_link_warning_errno(link, r, "Failed to start DHCPv6 client: %m"); | |
136 | ||
137 | return 0; | |
a032b68d MB |
138 | } |
139 | ||
140 | static int get_product_uuid_handler(sd_bus_message *m, void *userdata, sd_bus_error *ret_error) { | |
141 | Manager *manager = userdata; | |
142 | const sd_bus_error *e; | |
143 | const void *a; | |
144 | size_t sz; | |
a032b68d MB |
145 | Link *link; |
146 | int r; | |
147 | ||
148 | assert(m); | |
149 | assert(manager); | |
150 | ||
151 | e = sd_bus_message_get_error(m); | |
152 | if (e) { | |
3a6ce677 BR |
153 | r = sd_bus_error_get_errno(e); |
154 | log_warning_errno(r, "Could not get product UUID. Falling back to use machine-app-specific ID as DUID-UUID: %s", | |
155 | bus_error_message(e, r)); | |
a032b68d MB |
156 | goto configure; |
157 | } | |
158 | ||
159 | r = sd_bus_message_read_array(m, 'y', &a, &sz); | |
3a6ce677 BR |
160 | if (r < 0) { |
161 | log_warning_errno(r, "Failed to get product UUID. Falling back to use machine-app-specific ID as DUID-UUID: %m"); | |
a032b68d | 162 | goto configure; |
3a6ce677 | 163 | } |
a032b68d MB |
164 | |
165 | if (sz != sizeof(sd_id128_t)) { | |
3a6ce677 | 166 | log_warning("Invalid product UUID. Falling back to use machine-app-specific ID as DUID-UUID."); |
a032b68d MB |
167 | goto configure; |
168 | } | |
169 | ||
8b3d4ff0 MB |
170 | memcpy(&manager->duid_product_uuid.raw_data, a, sz); |
171 | manager->duid_product_uuid.raw_data_len = sz; | |
a032b68d MB |
172 | |
173 | configure: | |
8b3d4ff0 MB |
174 | /* To avoid calling GetProductUUID() bus method so frequently, set the flag below |
175 | * even if the method fails. */ | |
176 | manager->has_product_uuid = true; | |
a032b68d | 177 | |
8b3d4ff0 MB |
178 | while ((link = set_steal_first(manager->links_requesting_uuid))) { |
179 | r = link_configure_and_start_dhcp_delayed(link); | |
a032b68d MB |
180 | if (r < 0) |
181 | link_enter_failed(link); | |
8b3d4ff0 MB |
182 | |
183 | link_unref(link); | |
a032b68d MB |
184 | } |
185 | ||
186 | manager->links_requesting_uuid = set_free(manager->links_requesting_uuid); | |
187 | ||
a032b68d MB |
188 | return 1; |
189 | } | |
190 | ||
8b3d4ff0 | 191 | int manager_request_product_uuid(Manager *m) { |
a032b68d MB |
192 | int r; |
193 | ||
194 | assert(m); | |
195 | ||
8b3d4ff0 | 196 | if (m->product_uuid_requested) |
a032b68d MB |
197 | return 0; |
198 | ||
199 | log_debug("Requesting product UUID"); | |
200 | ||
8b3d4ff0 | 201 | if (sd_bus_is_ready(m->bus) <= 0) { |
a032b68d MB |
202 | log_debug("Not connected to system bus, requesting product UUID later."); |
203 | return 0; | |
204 | } | |
205 | ||
206 | r = sd_bus_call_method_async( | |
207 | m->bus, | |
208 | NULL, | |
209 | "org.freedesktop.hostname1", | |
210 | "/org/freedesktop/hostname1", | |
211 | "org.freedesktop.hostname1", | |
212 | "GetProductUUID", | |
213 | get_product_uuid_handler, | |
214 | m, | |
215 | "b", | |
216 | false); | |
217 | if (r < 0) | |
218 | return log_warning_errno(r, "Failed to get product UUID: %m"); | |
219 | ||
8b3d4ff0 | 220 | m->product_uuid_requested = true; |
a032b68d | 221 | |
8b3d4ff0 | 222 | return 0; |
a032b68d MB |
223 | } |
224 | ||
8b3d4ff0 | 225 | int dhcp_configure_duid(Link *link, const DUID *duid) { |
a032b68d | 226 | Manager *m; |
a032b68d MB |
227 | int r; |
228 | ||
229 | assert(link); | |
230 | assert(link->manager); | |
8b3d4ff0 | 231 | assert(duid); |
a032b68d MB |
232 | |
233 | m = link->manager; | |
a032b68d | 234 | |
8b3d4ff0 | 235 | if (!duid_needs_product_uuid(duid)) |
a032b68d MB |
236 | return 1; |
237 | ||
8b3d4ff0 | 238 | if (m->has_product_uuid) |
a032b68d | 239 | return 1; |
a032b68d | 240 | |
8b3d4ff0 MB |
241 | r = manager_request_product_uuid(m); |
242 | if (r < 0) { | |
243 | log_link_warning_errno(link, r, | |
244 | "Failed to get product UUID. Falling back to use machine-app-specific ID as DUID-UUID: %m"); | |
245 | return 1; | |
a032b68d MB |
246 | } |
247 | ||
8b3d4ff0 MB |
248 | r = set_ensure_put(&m->links_requesting_uuid, NULL, link); |
249 | if (r < 0) | |
250 | return log_oom(); | |
251 | if (r > 0) | |
252 | link_ref(link); | |
253 | ||
a032b68d MB |
254 | return 0; |
255 | } | |
256 | ||
f2dec872 BR |
257 | int config_parse_dhcp( |
258 | const char* unit, | |
259 | const char *filename, | |
260 | unsigned line, | |
261 | const char *section, | |
262 | unsigned section_line, | |
263 | const char *lvalue, | |
264 | int ltype, | |
265 | const char *rvalue, | |
266 | void *data, | |
267 | void *userdata) { | |
268 | ||
c5fca32e | 269 | AddressFamily *dhcp = data, s; |
f2dec872 BR |
270 | |
271 | assert(filename); | |
272 | assert(lvalue); | |
273 | assert(rvalue); | |
274 | assert(data); | |
275 | ||
276 | /* Note that this is mostly like | |
c5fca32e | 277 | * config_parse_address_family(), except that it |
f2dec872 BR |
278 | * understands some old names for the enum values */ |
279 | ||
c5fca32e | 280 | s = address_family_from_string(rvalue); |
f2dec872 BR |
281 | if (s < 0) { |
282 | ||
283 | /* Previously, we had a slightly different enum here, | |
284 | * support its values for compatibility. */ | |
285 | ||
3a6ce677 BR |
286 | s = dhcp_deprecated_address_family_from_string(rvalue); |
287 | if (s < 0) { | |
288 | log_syntax(unit, LOG_WARNING, filename, line, s, | |
f2dec872 BR |
289 | "Failed to parse DHCP option, ignoring: %s", rvalue); |
290 | return 0; | |
291 | } | |
292 | ||
293 | log_syntax(unit, LOG_WARNING, filename, line, 0, | |
294 | "DHCP=%s is deprecated, please use DHCP=%s instead.", | |
c5fca32e | 295 | rvalue, address_family_to_string(s)); |
f2dec872 BR |
296 | } |
297 | ||
298 | *dhcp = s; | |
299 | return 0; | |
300 | } | |
301 | ||
a10f5d05 | 302 | int config_parse_dhcp_route_metric( |
f2dec872 BR |
303 | const char* unit, |
304 | const char *filename, | |
305 | unsigned line, | |
306 | const char *section, | |
307 | unsigned section_line, | |
308 | const char *lvalue, | |
309 | int ltype, | |
310 | const char *rvalue, | |
311 | void *data, | |
312 | void *userdata) { | |
313 | ||
8b3d4ff0 | 314 | Network *network = userdata; |
a10f5d05 | 315 | uint32_t metric; |
f2dec872 BR |
316 | int r; |
317 | ||
318 | assert(filename); | |
319 | assert(lvalue); | |
320 | assert(rvalue); | |
321 | assert(data); | |
322 | ||
a10f5d05 | 323 | r = safe_atou32(rvalue, &metric); |
f2dec872 | 324 | if (r < 0) { |
a10f5d05 MB |
325 | log_syntax(unit, LOG_WARNING, filename, line, r, |
326 | "Failed to parse RouteMetric=%s, ignoring assignment: %m", rvalue); | |
f2dec872 BR |
327 | return 0; |
328 | } | |
329 | ||
a10f5d05 MB |
330 | if (streq_ptr(section, "DHCPv4")) { |
331 | network->dhcp_route_metric = metric; | |
332 | network->dhcp_route_metric_set = true; | |
8b3d4ff0 MB |
333 | } else if (STRPTR_IN_SET(section, "DHCPv6", "IPv6AcceptRA")) { |
334 | network->ipv6_accept_ra_route_metric = metric; | |
335 | network->ipv6_accept_ra_route_metric_set = true; | |
a10f5d05 MB |
336 | } else { /* [DHCP] section */ |
337 | if (!network->dhcp_route_metric_set) | |
338 | network->dhcp_route_metric = metric; | |
8b3d4ff0 MB |
339 | if (!network->ipv6_accept_ra_route_metric_set) |
340 | network->ipv6_accept_ra_route_metric = metric; | |
a10f5d05 | 341 | } |
f2dec872 BR |
342 | |
343 | return 0; | |
344 | } | |
345 | ||
a10f5d05 | 346 | int config_parse_dhcp_use_dns( |
e1f67bc7 MB |
347 | const char* unit, |
348 | const char *filename, | |
349 | unsigned line, | |
350 | const char *section, | |
351 | unsigned section_line, | |
352 | const char *lvalue, | |
353 | int ltype, | |
354 | const char *rvalue, | |
355 | void *data, | |
356 | void *userdata) { | |
357 | ||
8b3d4ff0 | 358 | Network *network = userdata; |
e1f67bc7 MB |
359 | int r; |
360 | ||
361 | assert(filename); | |
362 | assert(lvalue); | |
363 | assert(rvalue); | |
364 | assert(data); | |
365 | ||
366 | r = parse_boolean(rvalue); | |
367 | if (r < 0) { | |
a10f5d05 MB |
368 | log_syntax(unit, LOG_WARNING, filename, line, r, |
369 | "Failed to parse UseDNS=%s, ignoring assignment: %m", rvalue); | |
e1f67bc7 MB |
370 | return 0; |
371 | } | |
372 | ||
a10f5d05 MB |
373 | if (streq_ptr(section, "DHCPv4")) { |
374 | network->dhcp_use_dns = r; | |
375 | network->dhcp_use_dns_set = true; | |
376 | } else if (streq_ptr(section, "DHCPv6")) { | |
377 | network->dhcp6_use_dns = r; | |
378 | network->dhcp6_use_dns_set = true; | |
379 | } else { /* [DHCP] section */ | |
380 | if (!network->dhcp_use_dns_set) | |
381 | network->dhcp_use_dns = r; | |
382 | if (!network->dhcp6_use_dns_set) | |
383 | network->dhcp6_use_dns = r; | |
384 | } | |
e1f67bc7 MB |
385 | |
386 | return 0; | |
387 | } | |
388 | ||
8b3d4ff0 MB |
389 | int config_parse_dhcp_use_domains( |
390 | const char* unit, | |
391 | const char *filename, | |
392 | unsigned line, | |
393 | const char *section, | |
394 | unsigned section_line, | |
395 | const char *lvalue, | |
396 | int ltype, | |
397 | const char *rvalue, | |
398 | void *data, | |
399 | void *userdata) { | |
400 | ||
401 | Network *network = userdata; | |
402 | DHCPUseDomains d; | |
403 | ||
404 | assert(filename); | |
405 | assert(lvalue); | |
406 | assert(rvalue); | |
407 | assert(data); | |
408 | ||
409 | d = dhcp_use_domains_from_string(rvalue); | |
410 | if (d < 0) { | |
411 | log_syntax(unit, LOG_WARNING, filename, line, d, | |
412 | "Failed to parse %s=%s, ignoring assignment: %m", lvalue, rvalue); | |
413 | return 0; | |
414 | } | |
415 | ||
416 | if (streq_ptr(section, "DHCPv4")) { | |
417 | network->dhcp_use_domains = d; | |
418 | network->dhcp_use_domains_set = true; | |
419 | } else if (streq_ptr(section, "DHCPv6")) { | |
420 | network->dhcp6_use_domains = d; | |
421 | network->dhcp6_use_domains_set = true; | |
422 | } else { /* [DHCP] section */ | |
423 | if (!network->dhcp_use_domains_set) | |
424 | network->dhcp_use_domains = d; | |
425 | if (!network->dhcp6_use_domains_set) | |
426 | network->dhcp6_use_domains = d; | |
427 | } | |
428 | ||
429 | return 0; | |
430 | } | |
431 | ||
f2dec872 BR |
432 | int config_parse_dhcp_use_ntp( |
433 | const char* unit, | |
434 | const char *filename, | |
435 | unsigned line, | |
436 | const char *section, | |
437 | unsigned section_line, | |
438 | const char *lvalue, | |
439 | int ltype, | |
440 | const char *rvalue, | |
441 | void *data, | |
442 | void *userdata) { | |
443 | ||
8b3d4ff0 | 444 | Network *network = userdata; |
f2dec872 BR |
445 | int r; |
446 | ||
447 | assert(filename); | |
448 | assert(lvalue); | |
449 | assert(rvalue); | |
450 | assert(data); | |
451 | ||
452 | r = parse_boolean(rvalue); | |
453 | if (r < 0) { | |
a10f5d05 | 454 | log_syntax(unit, LOG_WARNING, filename, line, r, |
f2dec872 BR |
455 | "Failed to parse UseNTP=%s, ignoring assignment: %m", rvalue); |
456 | return 0; | |
457 | } | |
458 | ||
a10f5d05 MB |
459 | if (streq_ptr(section, "DHCPv4")) { |
460 | network->dhcp_use_ntp = r; | |
461 | network->dhcp_use_ntp_set = true; | |
462 | } else if (streq_ptr(section, "DHCPv6")) { | |
463 | network->dhcp6_use_ntp = r; | |
464 | network->dhcp6_use_ntp_set = true; | |
465 | } else { /* [DHCP] section */ | |
466 | if (!network->dhcp_use_ntp_set) | |
467 | network->dhcp_use_ntp = r; | |
468 | if (!network->dhcp6_use_ntp_set) | |
469 | network->dhcp6_use_ntp = r; | |
470 | } | |
f2dec872 BR |
471 | |
472 | return 0; | |
473 | } | |
474 | ||
475 | int config_parse_section_route_table( | |
476 | const char *unit, | |
477 | const char *filename, | |
478 | unsigned line, | |
479 | const char *section, | |
480 | unsigned section_line, | |
481 | const char *lvalue, | |
482 | int ltype, | |
483 | const char *rvalue, | |
484 | void *data, | |
485 | void *userdata) { | |
486 | ||
8b3d4ff0 | 487 | Network *network = userdata; |
f2dec872 BR |
488 | uint32_t rt; |
489 | int r; | |
490 | ||
491 | assert(filename); | |
492 | assert(lvalue); | |
493 | assert(rvalue); | |
494 | assert(data); | |
495 | ||
496 | r = safe_atou32(rvalue, &rt); | |
497 | if (r < 0) { | |
a10f5d05 | 498 | log_syntax(unit, LOG_WARNING, filename, line, r, |
f2dec872 BR |
499 | "Failed to parse RouteTable=%s, ignoring assignment: %m", rvalue); |
500 | return 0; | |
501 | } | |
502 | ||
503 | if (STRPTR_IN_SET(section, "DHCP", "DHCPv4")) { | |
504 | network->dhcp_route_table = rt; | |
505 | network->dhcp_route_table_set = true; | |
506 | } else { /* section is IPv6AcceptRA */ | |
507 | network->ipv6_accept_ra_route_table = rt; | |
508 | network->ipv6_accept_ra_route_table_set = true; | |
509 | } | |
510 | ||
511 | return 0; | |
512 | } | |
513 | ||
514 | int config_parse_iaid(const char *unit, | |
515 | const char *filename, | |
516 | unsigned line, | |
517 | const char *section, | |
518 | unsigned section_line, | |
519 | const char *lvalue, | |
520 | int ltype, | |
521 | const char *rvalue, | |
522 | void *data, | |
523 | void *userdata) { | |
8b3d4ff0 MB |
524 | |
525 | Network *network = userdata; | |
f2dec872 BR |
526 | uint32_t iaid; |
527 | int r; | |
528 | ||
529 | assert(filename); | |
530 | assert(lvalue); | |
531 | assert(rvalue); | |
532 | assert(network); | |
8b3d4ff0 | 533 | assert(IN_SET(ltype, AF_INET, AF_INET6)); |
f2dec872 BR |
534 | |
535 | r = safe_atou32(rvalue, &iaid); | |
536 | if (r < 0) { | |
a10f5d05 | 537 | log_syntax(unit, LOG_WARNING, filename, line, r, |
f2dec872 BR |
538 | "Unable to read IAID, ignoring assignment: %s", rvalue); |
539 | return 0; | |
540 | } | |
541 | ||
8b3d4ff0 MB |
542 | if (ltype == AF_INET) { |
543 | network->dhcp_iaid = iaid; | |
544 | network->dhcp_iaid_set = true; | |
545 | if (!network->dhcp6_iaid_set_explicitly) { | |
546 | /* Backward compatibility. Previously, IAID is shared by DHCP4 and DHCP6. | |
547 | * If DHCP6 IAID is not specified explicitly, then use DHCP4 IAID for DHCP6. */ | |
548 | network->dhcp6_iaid = iaid; | |
549 | network->dhcp6_iaid_set = true; | |
550 | } | |
551 | } else { | |
552 | assert(ltype == AF_INET6); | |
553 | network->dhcp6_iaid = iaid; | |
554 | network->dhcp6_iaid_set = true; | |
555 | network->dhcp6_iaid_set_explicitly = true; | |
556 | } | |
f2dec872 BR |
557 | |
558 | return 0; | |
559 | } | |
560 | ||
3a6ce677 | 561 | int config_parse_dhcp_user_or_vendor_class( |
a10f5d05 | 562 | const char *unit, |
e1f67bc7 MB |
563 | const char *filename, |
564 | unsigned line, | |
565 | const char *section, | |
566 | unsigned section_line, | |
567 | const char *lvalue, | |
568 | int ltype, | |
569 | const char *rvalue, | |
570 | void *data, | |
571 | void *userdata) { | |
572 | ||
a10f5d05 | 573 | char ***l = data; |
e1f67bc7 MB |
574 | int r; |
575 | ||
a10f5d05 | 576 | assert(l); |
e1f67bc7 MB |
577 | assert(lvalue); |
578 | assert(rvalue); | |
3a6ce677 | 579 | assert(IN_SET(ltype, AF_INET, AF_INET6)); |
e1f67bc7 | 580 | |
a10f5d05 MB |
581 | if (isempty(rvalue)) { |
582 | *l = strv_free(*l); | |
e1f67bc7 MB |
583 | return 0; |
584 | } | |
585 | ||
a10f5d05 MB |
586 | for (const char *p = rvalue;;) { |
587 | _cleanup_free_ char *w = NULL; | |
1ce460ce | 588 | size_t len; |
a10f5d05 MB |
589 | |
590 | r = extract_first_word(&p, &w, NULL, EXTRACT_CUNESCAPE|EXTRACT_UNQUOTE); | |
591 | if (r == -ENOMEM) | |
592 | return log_oom(); | |
593 | if (r < 0) { | |
594 | log_syntax(unit, LOG_WARNING, filename, line, r, | |
595 | "Failed to split user classes option, ignoring: %s", rvalue); | |
596 | return 0; | |
597 | } | |
598 | if (r == 0) | |
599 | return 0; | |
600 | ||
1ce460ce | 601 | len = strlen(w); |
a10f5d05 | 602 | if (ltype == AF_INET) { |
1ce460ce | 603 | if (len > UINT8_MAX || len == 0) { |
a10f5d05 | 604 | log_syntax(unit, LOG_WARNING, filename, line, 0, |
3a6ce677 | 605 | "%s length is not in the range 1…255, ignoring.", w); |
a10f5d05 MB |
606 | continue; |
607 | } | |
608 | } else { | |
1ce460ce | 609 | if (len > UINT16_MAX || len == 0) { |
a10f5d05 | 610 | log_syntax(unit, LOG_WARNING, filename, line, 0, |
3a6ce677 | 611 | "%s length is not in the range 1…65535, ignoring.", w); |
a10f5d05 MB |
612 | continue; |
613 | } | |
614 | } | |
615 | ||
1ce460ce | 616 | r = strv_consume(l, TAKE_PTR(w)); |
a10f5d05 MB |
617 | if (r < 0) |
618 | return log_oom(); | |
a10f5d05 MB |
619 | } |
620 | } | |
621 | ||
e1f67bc7 MB |
622 | int config_parse_dhcp_send_option( |
623 | const char *unit, | |
624 | const char *filename, | |
625 | unsigned line, | |
626 | const char *section, | |
627 | unsigned section_line, | |
628 | const char *lvalue, | |
629 | int ltype, | |
630 | const char *rvalue, | |
631 | void *data, | |
632 | void *userdata) { | |
633 | ||
a10f5d05 MB |
634 | _cleanup_(sd_dhcp_option_unrefp) sd_dhcp_option *opt4 = NULL, *old4 = NULL; |
635 | _cleanup_(sd_dhcp6_option_unrefp) sd_dhcp6_option *opt6 = NULL, *old6 = NULL; | |
636 | uint32_t uint32_data, enterprise_identifier = 0; | |
e1f67bc7 | 637 | _cleanup_free_ char *word = NULL, *q = NULL; |
763f54ad | 638 | OrderedHashmap **options = data; |
a10f5d05 | 639 | uint16_t u16, uint16_data; |
e1f67bc7 MB |
640 | union in_addr_union addr; |
641 | DHCPOptionDataType type; | |
a10f5d05 | 642 | uint8_t u8, uint8_data; |
e1f67bc7 MB |
643 | const void *udata; |
644 | const char *p; | |
645 | ssize_t sz; | |
646 | int r; | |
647 | ||
648 | assert(filename); | |
649 | assert(lvalue); | |
650 | assert(rvalue); | |
651 | assert(data); | |
652 | ||
653 | if (isempty(rvalue)) { | |
654 | *options = ordered_hashmap_free(*options); | |
655 | return 0; | |
656 | } | |
657 | ||
658 | p = rvalue; | |
a10f5d05 MB |
659 | if (ltype == AF_INET6 && streq(lvalue, "SendVendorOption")) { |
660 | r = extract_first_word(&p, &word, ":", 0); | |
661 | if (r == -ENOMEM) | |
662 | return log_oom(); | |
663 | if (r <= 0 || isempty(p)) { | |
664 | log_syntax(unit, LOG_WARNING, filename, line, r, | |
665 | "Invalid DHCP option, ignoring assignment: %s", rvalue); | |
666 | return 0; | |
667 | } | |
668 | ||
669 | r = safe_atou32(word, &enterprise_identifier); | |
670 | if (r < 0) { | |
671 | log_syntax(unit, LOG_WARNING, filename, line, r, | |
672 | "Failed to parse DHCPv6 enterprise identifier data, ignoring assignment: %s", p); | |
673 | return 0; | |
674 | } | |
675 | word = mfree(word); | |
676 | } | |
677 | ||
e1f67bc7 MB |
678 | r = extract_first_word(&p, &word, ":", 0); |
679 | if (r == -ENOMEM) | |
680 | return log_oom(); | |
a10f5d05 MB |
681 | if (r <= 0 || isempty(p)) { |
682 | log_syntax(unit, LOG_WARNING, filename, line, r, | |
e1f67bc7 MB |
683 | "Invalid DHCP option, ignoring assignment: %s", rvalue); |
684 | return 0; | |
685 | } | |
686 | ||
a10f5d05 MB |
687 | if (ltype == AF_INET6) { |
688 | r = safe_atou16(word, &u16); | |
689 | if (r < 0) { | |
690 | log_syntax(unit, LOG_WARNING, filename, line, r, | |
691 | "Invalid DHCP option, ignoring assignment: %s", rvalue); | |
692 | return 0; | |
693 | } | |
694 | if (u16 < 1 || u16 >= UINT16_MAX) { | |
695 | log_syntax(unit, LOG_WARNING, filename, line, 0, | |
696 | "Invalid DHCP option, valid range is 1-65535, ignoring assignment: %s", rvalue); | |
697 | return 0; | |
698 | } | |
699 | } else { | |
700 | r = safe_atou8(word, &u8); | |
701 | if (r < 0) { | |
702 | log_syntax(unit, LOG_WARNING, filename, line, r, | |
703 | "Invalid DHCP option, ignoring assignment: %s", rvalue); | |
704 | return 0; | |
705 | } | |
706 | if (u8 < 1 || u8 >= UINT8_MAX) { | |
707 | log_syntax(unit, LOG_WARNING, filename, line, 0, | |
708 | "Invalid DHCP option, valid range is 1-254, ignoring assignment: %s", rvalue); | |
709 | return 0; | |
710 | } | |
e1f67bc7 MB |
711 | } |
712 | ||
713 | word = mfree(word); | |
714 | r = extract_first_word(&p, &word, ":", 0); | |
715 | if (r == -ENOMEM) | |
716 | return log_oom(); | |
a10f5d05 MB |
717 | if (r <= 0 || isempty(p)) { |
718 | log_syntax(unit, LOG_WARNING, filename, line, r, | |
e1f67bc7 MB |
719 | "Invalid DHCP option, ignoring assignment: %s", rvalue); |
720 | return 0; | |
721 | } | |
722 | ||
723 | type = dhcp_option_data_type_from_string(word); | |
724 | if (type < 0) { | |
3a6ce677 | 725 | log_syntax(unit, LOG_WARNING, filename, line, type, |
e1f67bc7 MB |
726 | "Invalid DHCP option data type, ignoring assignment: %s", p); |
727 | return 0; | |
728 | } | |
729 | ||
730 | switch(type) { | |
731 | case DHCP_OPTION_DATA_UINT8:{ | |
732 | r = safe_atou8(p, &uint8_data); | |
733 | if (r < 0) { | |
a10f5d05 MB |
734 | log_syntax(unit, LOG_WARNING, filename, line, r, |
735 | "Failed to parse DHCP uint8 data, ignoring assignment: %s", p); | |
e1f67bc7 MB |
736 | return 0; |
737 | } | |
738 | ||
739 | udata = &uint8_data; | |
740 | sz = sizeof(uint8_t); | |
741 | break; | |
742 | } | |
743 | case DHCP_OPTION_DATA_UINT16:{ | |
3a6ce677 BR |
744 | uint16_t k; |
745 | ||
746 | r = safe_atou16(p, &k); | |
e1f67bc7 | 747 | if (r < 0) { |
a10f5d05 MB |
748 | log_syntax(unit, LOG_WARNING, filename, line, r, |
749 | "Failed to parse DHCP uint16 data, ignoring assignment: %s", p); | |
e1f67bc7 MB |
750 | return 0; |
751 | } | |
752 | ||
3a6ce677 | 753 | uint16_data = htobe16(k); |
e1f67bc7 MB |
754 | udata = &uint16_data; |
755 | sz = sizeof(uint16_t); | |
756 | break; | |
757 | } | |
758 | case DHCP_OPTION_DATA_UINT32: { | |
3a6ce677 BR |
759 | uint32_t k; |
760 | ||
761 | r = safe_atou32(p, &k); | |
e1f67bc7 | 762 | if (r < 0) { |
a10f5d05 MB |
763 | log_syntax(unit, LOG_WARNING, filename, line, r, |
764 | "Failed to parse DHCP uint32 data, ignoring assignment: %s", p); | |
e1f67bc7 MB |
765 | return 0; |
766 | } | |
767 | ||
3a6ce677 | 768 | uint32_data = htobe32(k); |
e1f67bc7 MB |
769 | udata = &uint32_data; |
770 | sz = sizeof(uint32_t); | |
771 | ||
772 | break; | |
773 | } | |
774 | case DHCP_OPTION_DATA_IPV4ADDRESS: { | |
775 | r = in_addr_from_string(AF_INET, p, &addr); | |
776 | if (r < 0) { | |
a10f5d05 MB |
777 | log_syntax(unit, LOG_WARNING, filename, line, r, |
778 | "Failed to parse DHCP ipv4address data, ignoring assignment: %s", p); | |
e1f67bc7 MB |
779 | return 0; |
780 | } | |
781 | ||
782 | udata = &addr.in; | |
783 | sz = sizeof(addr.in.s_addr); | |
784 | break; | |
785 | } | |
a10f5d05 MB |
786 | case DHCP_OPTION_DATA_IPV6ADDRESS: { |
787 | r = in_addr_from_string(AF_INET6, p, &addr); | |
788 | if (r < 0) { | |
789 | log_syntax(unit, LOG_WARNING, filename, line, r, | |
790 | "Failed to parse DHCP ipv6address data, ignoring assignment: %s", p); | |
791 | return 0; | |
792 | } | |
793 | ||
794 | udata = &addr.in6; | |
795 | sz = sizeof(addr.in6.s6_addr); | |
796 | break; | |
797 | } | |
e1f67bc7 | 798 | case DHCP_OPTION_DATA_STRING: |
46cdbd49 | 799 | sz = cunescape(p, UNESCAPE_ACCEPT_NUL, &q); |
a032b68d | 800 | if (sz < 0) |
a10f5d05 MB |
801 | log_syntax(unit, LOG_WARNING, filename, line, sz, |
802 | "Failed to decode DHCP option data, ignoring assignment: %s", p); | |
e1f67bc7 MB |
803 | |
804 | udata = q; | |
805 | break; | |
806 | default: | |
807 | return -EINVAL; | |
808 | } | |
809 | ||
a10f5d05 MB |
810 | if (ltype == AF_INET6) { |
811 | r = sd_dhcp6_option_new(u16, udata, sz, enterprise_identifier, &opt6); | |
812 | if (r < 0) { | |
813 | log_syntax(unit, LOG_WARNING, filename, line, r, | |
814 | "Failed to store DHCP option '%s', ignoring assignment: %m", rvalue); | |
815 | return 0; | |
816 | } | |
817 | ||
818 | r = ordered_hashmap_ensure_allocated(options, &dhcp6_option_hash_ops); | |
819 | if (r < 0) | |
820 | return log_oom(); | |
821 | ||
822 | /* Overwrite existing option */ | |
823 | old6 = ordered_hashmap_get(*options, UINT_TO_PTR(u16)); | |
824 | r = ordered_hashmap_replace(*options, UINT_TO_PTR(u16), opt6); | |
825 | if (r < 0) { | |
826 | log_syntax(unit, LOG_WARNING, filename, line, r, | |
827 | "Failed to store DHCP option '%s', ignoring assignment: %m", rvalue); | |
828 | return 0; | |
829 | } | |
830 | TAKE_PTR(opt6); | |
831 | } else { | |
832 | r = sd_dhcp_option_new(u8, udata, sz, &opt4); | |
833 | if (r < 0) { | |
834 | log_syntax(unit, LOG_WARNING, filename, line, r, | |
835 | "Failed to store DHCP option '%s', ignoring assignment: %m", rvalue); | |
836 | return 0; | |
837 | } | |
838 | ||
839 | r = ordered_hashmap_ensure_allocated(options, &dhcp_option_hash_ops); | |
840 | if (r < 0) | |
841 | return log_oom(); | |
842 | ||
843 | /* Overwrite existing option */ | |
844 | old4 = ordered_hashmap_get(*options, UINT_TO_PTR(u8)); | |
845 | r = ordered_hashmap_replace(*options, UINT_TO_PTR(u8), opt4); | |
846 | if (r < 0) { | |
847 | log_syntax(unit, LOG_WARNING, filename, line, r, | |
848 | "Failed to store DHCP option '%s', ignoring assignment: %m", rvalue); | |
849 | return 0; | |
850 | } | |
851 | TAKE_PTR(opt4); | |
e1f67bc7 | 852 | } |
a10f5d05 MB |
853 | return 0; |
854 | } | |
e1f67bc7 | 855 | |
a10f5d05 MB |
856 | int config_parse_dhcp_request_options( |
857 | const char *unit, | |
858 | const char *filename, | |
859 | unsigned line, | |
860 | const char *section, | |
861 | unsigned section_line, | |
862 | const char *lvalue, | |
863 | int ltype, | |
864 | const char *rvalue, | |
865 | void *data, | |
866 | void *userdata) { | |
867 | ||
8b3d4ff0 | 868 | Network *network = userdata; |
a10f5d05 MB |
869 | int r; |
870 | ||
871 | assert(filename); | |
872 | assert(lvalue); | |
873 | assert(rvalue); | |
874 | assert(data); | |
875 | ||
876 | if (isempty(rvalue)) { | |
877 | if (ltype == AF_INET) | |
878 | network->dhcp_request_options = set_free(network->dhcp_request_options); | |
879 | else | |
880 | network->dhcp6_request_options = set_free(network->dhcp6_request_options); | |
e1f67bc7 | 881 | |
e1f67bc7 MB |
882 | return 0; |
883 | } | |
884 | ||
3a6ce677 | 885 | for (const char *p = rvalue;;) { |
a10f5d05 MB |
886 | _cleanup_free_ char *n = NULL; |
887 | uint32_t i; | |
888 | ||
889 | r = extract_first_word(&p, &n, NULL, 0); | |
890 | if (r == -ENOMEM) | |
891 | return log_oom(); | |
892 | if (r < 0) { | |
893 | log_syntax(unit, LOG_WARNING, filename, line, r, | |
894 | "Failed to parse DHCP request option, ignoring assignment: %s", | |
895 | rvalue); | |
896 | return 0; | |
897 | } | |
898 | if (r == 0) | |
899 | return 0; | |
900 | ||
901 | r = safe_atou32(n, &i); | |
902 | if (r < 0) { | |
903 | log_syntax(unit, LOG_WARNING, filename, line, r, | |
904 | "DHCP request option is invalid, ignoring assignment: %s", n); | |
905 | continue; | |
906 | } | |
907 | ||
908 | if (i < 1 || i >= UINT8_MAX) { | |
909 | log_syntax(unit, LOG_WARNING, filename, line, 0, | |
910 | "DHCP request option is invalid, valid range is 1-254, ignoring assignment: %s", n); | |
911 | continue; | |
912 | } | |
913 | ||
914 | r = set_ensure_put(ltype == AF_INET ? &network->dhcp_request_options : &network->dhcp6_request_options, | |
915 | NULL, UINT32_TO_PTR(i)); | |
916 | if (r < 0) | |
917 | log_syntax(unit, LOG_WARNING, filename, line, r, | |
918 | "Failed to store DHCP request option '%s', ignoring assignment: %m", n); | |
919 | } | |
e1f67bc7 MB |
920 | } |
921 | ||
f2dec872 BR |
922 | static const char* const dhcp_use_domains_table[_DHCP_USE_DOMAINS_MAX] = { |
923 | [DHCP_USE_DOMAINS_NO] = "no", | |
924 | [DHCP_USE_DOMAINS_ROUTE] = "route", | |
925 | [DHCP_USE_DOMAINS_YES] = "yes", | |
926 | }; | |
927 | ||
928 | DEFINE_STRING_TABLE_LOOKUP_WITH_BOOLEAN(dhcp_use_domains, DHCPUseDomains, DHCP_USE_DOMAINS_YES); | |
e1f67bc7 MB |
929 | |
930 | static const char * const dhcp_option_data_type_table[_DHCP_OPTION_DATA_MAX] = { | |
931 | [DHCP_OPTION_DATA_UINT8] = "uint8", | |
932 | [DHCP_OPTION_DATA_UINT16] = "uint16", | |
933 | [DHCP_OPTION_DATA_UINT32] = "uint32", | |
934 | [DHCP_OPTION_DATA_STRING] = "string", | |
935 | [DHCP_OPTION_DATA_IPV4ADDRESS] = "ipv4address", | |
a10f5d05 | 936 | [DHCP_OPTION_DATA_IPV6ADDRESS] = "ipv6address", |
e1f67bc7 MB |
937 | }; |
938 | ||
939 | DEFINE_STRING_TABLE_LOOKUP(dhcp_option_data_type, DHCPOptionDataType); | |
8b3d4ff0 MB |
940 | |
941 | static const char* const duid_type_table[_DUID_TYPE_MAX] = { | |
942 | [DUID_TYPE_LLT] = "link-layer-time", | |
943 | [DUID_TYPE_EN] = "vendor", | |
944 | [DUID_TYPE_LL] = "link-layer", | |
945 | [DUID_TYPE_UUID] = "uuid", | |
946 | }; | |
947 | DEFINE_PRIVATE_STRING_TABLE_LOOKUP_FROM_STRING(duid_type, DUIDType); | |
948 | ||
949 | int config_parse_duid_type( | |
950 | const char *unit, | |
951 | const char *filename, | |
952 | unsigned line, | |
953 | const char *section, | |
954 | unsigned section_line, | |
955 | const char *lvalue, | |
956 | int ltype, | |
957 | const char *rvalue, | |
958 | void *data, | |
959 | void *userdata) { | |
960 | ||
961 | _cleanup_free_ char *type_string = NULL; | |
962 | const char *p = rvalue; | |
963 | bool force = ltype; | |
964 | DUID *duid = data; | |
965 | DUIDType type; | |
966 | int r; | |
967 | ||
968 | assert(filename); | |
969 | assert(lvalue); | |
970 | assert(rvalue); | |
971 | assert(duid); | |
972 | ||
973 | if (!force && duid->set) | |
974 | return 0; | |
975 | ||
976 | r = extract_first_word(&p, &type_string, ":", 0); | |
977 | if (r == -ENOMEM) | |
978 | return log_oom(); | |
979 | if (r < 0) { | |
980 | log_syntax(unit, LOG_WARNING, filename, line, r, | |
981 | "Invalid syntax, ignoring: %s", rvalue); | |
982 | return 0; | |
983 | } | |
984 | if (r == 0) { | |
985 | log_syntax(unit, LOG_WARNING, filename, line, 0, | |
986 | "Failed to extract DUID type from '%s', ignoring.", rvalue); | |
987 | return 0; | |
988 | } | |
989 | ||
990 | type = duid_type_from_string(type_string); | |
991 | if (type < 0) { | |
992 | log_syntax(unit, LOG_WARNING, filename, line, type, | |
993 | "Failed to parse DUID type '%s', ignoring.", type_string); | |
994 | return 0; | |
995 | } | |
996 | ||
997 | if (!isempty(p)) { | |
998 | usec_t u; | |
999 | ||
1000 | if (type != DUID_TYPE_LLT) { | |
1001 | log_syntax(unit, LOG_WARNING, filename, line, r, | |
1002 | "Invalid syntax, ignoring: %s", rvalue); | |
1003 | return 0; | |
1004 | } | |
1005 | ||
1006 | r = parse_timestamp(p, &u); | |
1007 | if (r < 0) { | |
1008 | log_syntax(unit, LOG_WARNING, filename, line, r, | |
1009 | "Failed to parse timestamp, ignoring: %s", p); | |
1010 | return 0; | |
1011 | } | |
1012 | ||
1013 | duid->llt_time = u; | |
1014 | } | |
1015 | ||
1016 | duid->type = type; | |
1017 | duid->set = force; | |
1018 | ||
1019 | return 0; | |
1020 | } | |
1021 | ||
1022 | int config_parse_manager_duid_type( | |
1023 | const char *unit, | |
1024 | const char *filename, | |
1025 | unsigned line, | |
1026 | const char *section, | |
1027 | unsigned section_line, | |
1028 | const char *lvalue, | |
1029 | int ltype, | |
1030 | const char *rvalue, | |
1031 | void *data, | |
1032 | void *userdata) { | |
1033 | ||
1034 | Manager *manager = userdata; | |
1035 | int r; | |
1036 | ||
1037 | assert(manager); | |
1038 | ||
1039 | /* For backward compatibility. Setting both DHCP4 and DHCP6 DUID if they are not specified explicitly. */ | |
1040 | ||
1041 | r = config_parse_duid_type(unit, filename, line, section, section_line, lvalue, false, rvalue, &manager->dhcp_duid, manager); | |
1042 | if (r < 0) | |
1043 | return r; | |
1044 | ||
1045 | return config_parse_duid_type(unit, filename, line, section, section_line, lvalue, false, rvalue, &manager->dhcp6_duid, manager); | |
1046 | } | |
1047 | ||
1048 | int config_parse_network_duid_type( | |
1049 | const char *unit, | |
1050 | const char *filename, | |
1051 | unsigned line, | |
1052 | const char *section, | |
1053 | unsigned section_line, | |
1054 | const char *lvalue, | |
1055 | int ltype, | |
1056 | const char *rvalue, | |
1057 | void *data, | |
1058 | void *userdata) { | |
1059 | ||
1060 | Network *network = userdata; | |
1061 | int r; | |
1062 | ||
1063 | assert(network); | |
1064 | ||
1065 | r = config_parse_duid_type(unit, filename, line, section, section_line, lvalue, true, rvalue, &network->dhcp_duid, network); | |
1066 | if (r < 0) | |
1067 | return r; | |
1068 | ||
1069 | /* For backward compatibility, also set DHCP6 DUID if not specified explicitly. */ | |
1070 | return config_parse_duid_type(unit, filename, line, section, section_line, lvalue, false, rvalue, &network->dhcp6_duid, network); | |
1071 | } | |
1072 | ||
1073 | int config_parse_duid_rawdata( | |
1074 | const char *unit, | |
1075 | const char *filename, | |
1076 | unsigned line, | |
1077 | const char *section, | |
1078 | unsigned section_line, | |
1079 | const char *lvalue, | |
1080 | int ltype, | |
1081 | const char *rvalue, | |
1082 | void *data, | |
1083 | void *userdata) { | |
1084 | ||
1085 | uint8_t raw_data[MAX_DUID_LEN]; | |
1086 | unsigned count = 0; | |
1087 | bool force = ltype; | |
1088 | DUID *duid = data; | |
1089 | ||
1090 | assert(filename); | |
1091 | assert(lvalue); | |
1092 | assert(rvalue); | |
1093 | assert(duid); | |
1094 | ||
1095 | if (!force && duid->set) | |
1096 | return 0; | |
1097 | ||
1098 | /* RawData contains DUID in format "NN:NN:NN..." */ | |
1099 | for (const char *p = rvalue;;) { | |
1100 | int n1, n2, len, r; | |
1101 | uint32_t byte; | |
1102 | _cleanup_free_ char *cbyte = NULL; | |
1103 | ||
1104 | r = extract_first_word(&p, &cbyte, ":", 0); | |
1105 | if (r == -ENOMEM) | |
1106 | return log_oom(); | |
1107 | if (r < 0) { | |
1108 | log_syntax(unit, LOG_WARNING, filename, line, r, "Failed to read DUID, ignoring assignment: %s.", rvalue); | |
1109 | return 0; | |
1110 | } | |
1111 | if (r == 0) | |
1112 | break; | |
1113 | ||
1114 | if (count >= MAX_DUID_LEN) { | |
1115 | log_syntax(unit, LOG_WARNING, filename, line, 0, "Max DUID length exceeded, ignoring assignment: %s.", rvalue); | |
1116 | return 0; | |
1117 | } | |
1118 | ||
1119 | len = strlen(cbyte); | |
1120 | if (!IN_SET(len, 1, 2)) { | |
1121 | log_syntax(unit, LOG_WARNING, filename, line, 0, "Invalid length - DUID byte: %s, ignoring assignment: %s.", cbyte, rvalue); | |
1122 | return 0; | |
1123 | } | |
1124 | n1 = unhexchar(cbyte[0]); | |
1125 | if (len == 2) | |
1126 | n2 = unhexchar(cbyte[1]); | |
1127 | else | |
1128 | n2 = 0; | |
1129 | ||
1130 | if (n1 < 0 || n2 < 0) { | |
1131 | log_syntax(unit, LOG_WARNING, filename, line, 0, "Invalid DUID byte: %s. Ignoring assignment: %s.", cbyte, rvalue); | |
1132 | return 0; | |
1133 | } | |
1134 | ||
1135 | byte = ((uint8_t) n1 << (4 * (len-1))) | (uint8_t) n2; | |
1136 | raw_data[count++] = byte; | |
1137 | } | |
1138 | ||
1139 | assert_cc(sizeof(raw_data) == sizeof(duid->raw_data)); | |
1140 | memcpy(duid->raw_data, raw_data, count); | |
1141 | duid->raw_data_len = count; | |
1142 | duid->set = force; | |
1143 | ||
1144 | return 0; | |
1145 | } | |
1146 | ||
1147 | int config_parse_manager_duid_rawdata( | |
1148 | const char *unit, | |
1149 | const char *filename, | |
1150 | unsigned line, | |
1151 | const char *section, | |
1152 | unsigned section_line, | |
1153 | const char *lvalue, | |
1154 | int ltype, | |
1155 | const char *rvalue, | |
1156 | void *data, | |
1157 | void *userdata) { | |
1158 | ||
1159 | Manager *manager = userdata; | |
1160 | int r; | |
1161 | ||
1162 | assert(manager); | |
1163 | ||
1164 | /* For backward compatibility. Setting both DHCP4 and DHCP6 DUID if they are not specified explicitly. */ | |
1165 | ||
1166 | r = config_parse_duid_rawdata(unit, filename, line, section, section_line, lvalue, false, rvalue, &manager->dhcp_duid, manager); | |
1167 | if (r < 0) | |
1168 | return r; | |
1169 | ||
1170 | return config_parse_duid_rawdata(unit, filename, line, section, section_line, lvalue, false, rvalue, &manager->dhcp6_duid, manager); | |
1171 | } | |
1172 | ||
1173 | int config_parse_network_duid_rawdata( | |
1174 | const char *unit, | |
1175 | const char *filename, | |
1176 | unsigned line, | |
1177 | const char *section, | |
1178 | unsigned section_line, | |
1179 | const char *lvalue, | |
1180 | int ltype, | |
1181 | const char *rvalue, | |
1182 | void *data, | |
1183 | void *userdata) { | |
1184 | ||
1185 | Network *network = userdata; | |
1186 | int r; | |
1187 | ||
1188 | assert(network); | |
1189 | ||
1190 | r = config_parse_duid_rawdata(unit, filename, line, section, section_line, lvalue, true, rvalue, &network->dhcp_duid, network); | |
1191 | if (r < 0) | |
1192 | return r; | |
1193 | ||
1194 | /* For backward compatibility, also set DHCP6 DUID if not specified explicitly. */ | |
1195 | return config_parse_duid_rawdata(unit, filename, line, section, section_line, lvalue, false, rvalue, &network->dhcp6_duid, network); | |
1196 | } |