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74b2466e LP |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2014 Lennart Poettering | |
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 <net/if.h> | |
23 | ||
24 | #include "sd-network.h" | |
74b2466e | 25 | #include "strv.h" |
ec2c5e43 | 26 | #include "missing.h" |
74b2466e LP |
27 | #include "resolved-link.h" |
28 | ||
29 | int link_new(Manager *m, Link **ret, int ifindex) { | |
30 | _cleanup_(link_freep) Link *l = NULL; | |
31 | int r; | |
32 | ||
33 | assert(m); | |
34 | assert(ifindex > 0); | |
35 | ||
36 | r = hashmap_ensure_allocated(&m->links, NULL, NULL); | |
37 | if (r < 0) | |
38 | return r; | |
39 | ||
40 | l = new0(Link, 1); | |
41 | if (!l) | |
42 | return -ENOMEM; | |
43 | ||
44 | l->ifindex = ifindex; | |
19b50b5b | 45 | l->llmnr_support = SUPPORT_YES; |
74b2466e LP |
46 | |
47 | r = hashmap_put(m->links, INT_TO_PTR(ifindex), l); | |
48 | if (r < 0) | |
49 | return r; | |
50 | ||
51 | l->manager = m; | |
52 | ||
53 | if (ret) | |
54 | *ret = l; | |
55 | l = NULL; | |
56 | ||
57 | return 0; | |
58 | } | |
59 | ||
60 | Link *link_free(Link *l) { | |
61 | ||
62 | if (!l) | |
63 | return NULL; | |
64 | ||
65 | while (l->addresses) | |
66 | link_address_free(l->addresses); | |
67 | ||
68 | if (l->manager) | |
69 | hashmap_remove(l->manager->links, INT_TO_PTR(l->ifindex)); | |
70 | ||
71 | dns_scope_free(l->unicast_scope); | |
1716f6dc LP |
72 | dns_scope_free(l->llmnr_ipv4_scope); |
73 | dns_scope_free(l->llmnr_ipv6_scope); | |
74b2466e | 74 | |
6073b6f2 TG |
75 | while (l->dns_servers) |
76 | dns_server_free(l->dns_servers); | |
74b2466e LP |
77 | |
78 | free(l); | |
79 | return NULL; | |
1716f6dc LP |
80 | } |
81 | ||
82 | static void link_allocate_scopes(Link *l) { | |
83 | int r; | |
84 | ||
85 | assert(l); | |
86 | ||
6073b6f2 | 87 | if (l->dns_servers) { |
1716f6dc LP |
88 | if (!l->unicast_scope) { |
89 | r = dns_scope_new(l->manager, &l->unicast_scope, l, DNS_PROTOCOL_DNS, AF_UNSPEC); | |
90 | if (r < 0) | |
91 | log_warning("Failed to allocate DNS scope: %s", strerror(-r)); | |
92 | } | |
93 | } else | |
94 | l->unicast_scope = dns_scope_free(l->unicast_scope); | |
95 | ||
19b50b5b | 96 | if (link_relevant(l, AF_INET) && l->llmnr_support != SUPPORT_NO && l->manager->llmnr_support != SUPPORT_NO) { |
1716f6dc LP |
97 | if (!l->llmnr_ipv4_scope) { |
98 | r = dns_scope_new(l->manager, &l->llmnr_ipv4_scope, l, DNS_PROTOCOL_LLMNR, AF_INET); | |
99 | if (r < 0) | |
100 | log_warning("Failed to allocate LLMNR IPv4 scope: %s", strerror(-r)); | |
101 | } | |
102 | } else | |
103 | l->llmnr_ipv4_scope = dns_scope_free(l->llmnr_ipv4_scope); | |
104 | ||
19b50b5b | 105 | if (link_relevant(l, AF_INET6) && l->llmnr_support != SUPPORT_NO && l->manager->llmnr_support != SUPPORT_NO) { |
1716f6dc LP |
106 | if (!l->llmnr_ipv6_scope) { |
107 | r = dns_scope_new(l->manager, &l->llmnr_ipv6_scope, l, DNS_PROTOCOL_LLMNR, AF_INET6); | |
108 | if (r < 0) | |
109 | log_warning("Failed to allocate LLMNR IPv6 scope: %s", strerror(-r)); | |
110 | } | |
111 | } else | |
112 | l->llmnr_ipv6_scope = dns_scope_free(l->llmnr_ipv6_scope); | |
113 | } | |
74b2466e | 114 | |
ec2c5e43 | 115 | void link_add_rrs(Link *l, bool force_remove) { |
623a4c97 LP |
116 | LinkAddress *a; |
117 | ||
118 | LIST_FOREACH(addresses, a, l->addresses) | |
ec2c5e43 | 119 | link_address_add_rrs(a, force_remove); |
623a4c97 LP |
120 | } |
121 | ||
74b2466e | 122 | int link_update_rtnl(Link *l, sd_rtnl_message *m) { |
1716f6dc | 123 | const char *n = NULL; |
74b2466e LP |
124 | int r; |
125 | ||
126 | assert(l); | |
127 | assert(m); | |
128 | ||
129 | r = sd_rtnl_message_link_get_flags(m, &l->flags); | |
130 | if (r < 0) | |
131 | return r; | |
132 | ||
c5ed9316 | 133 | sd_rtnl_message_read_u32(m, IFLA_MTU, &l->mtu); |
1716f6dc LP |
134 | |
135 | if (sd_rtnl_message_read_string(m, IFLA_IFNAME, &n) >= 0) { | |
cc7844e7 | 136 | strncpy(l->name, n, sizeof(l->name)-1); |
1716f6dc LP |
137 | char_array_0(l->name); |
138 | } | |
139 | ||
140 | link_allocate_scopes(l); | |
ec2c5e43 | 141 | link_add_rrs(l, false); |
623a4c97 | 142 | |
74b2466e LP |
143 | return 0; |
144 | } | |
145 | ||
6073b6f2 | 146 | static int link_update_dns_servers(Link *l) { |
6f4dedb2 TG |
147 | _cleanup_strv_free_ char **nameservers = NULL; |
148 | char **nameserver; | |
74b2466e | 149 | DnsServer *s, *nx; |
6f4dedb2 | 150 | int r; |
74b2466e LP |
151 | |
152 | assert(l); | |
153 | ||
6f4dedb2 TG |
154 | r = sd_network_get_dns(l->ifindex, &nameservers); |
155 | if (r < 0) | |
74b2466e | 156 | goto clear; |
74b2466e | 157 | |
5cb36f41 LP |
158 | LIST_FOREACH(servers, s, l->dns_servers) |
159 | s->marked = true; | |
160 | ||
6f4dedb2 TG |
161 | STRV_FOREACH(nameserver, nameservers) { |
162 | union in_addr_union a; | |
163 | int family; | |
74b2466e | 164 | |
6f4dedb2 TG |
165 | r = in_addr_from_string_auto(*nameserver, &family, &a); |
166 | if (r < 0) | |
167 | goto clear; | |
74b2466e | 168 | |
6f4dedb2 | 169 | s = link_find_dns_server(l, family, &a); |
74b2466e LP |
170 | if (s) |
171 | s->marked = false; | |
172 | else { | |
4e945a6f | 173 | r = dns_server_new(l->manager, NULL, DNS_SERVER_LINK, l, family, &a); |
74b2466e LP |
174 | if (r < 0) |
175 | goto clear; | |
176 | } | |
177 | } | |
178 | ||
6073b6f2 | 179 | LIST_FOREACH_SAFE(servers, s, nx, l->dns_servers) |
74b2466e LP |
180 | if (s->marked) |
181 | dns_server_free(s); | |
182 | ||
183 | return 0; | |
184 | ||
185 | clear: | |
6073b6f2 TG |
186 | while (l->dns_servers) |
187 | dns_server_free(l->dns_servers); | |
74b2466e LP |
188 | |
189 | return r; | |
190 | } | |
191 | ||
19b50b5b LP |
192 | static int link_update_llmnr_support(Link *l) { |
193 | _cleanup_free_ char *b = NULL; | |
194 | int r; | |
195 | ||
196 | assert(l); | |
197 | ||
198 | r = sd_network_get_llmnr(l->ifindex, &b); | |
199 | if (r < 0) | |
200 | goto clear; | |
201 | ||
202 | r = parse_boolean(b); | |
203 | if (r < 0) { | |
204 | if (streq(b, "resolve")) | |
205 | l->llmnr_support = SUPPORT_RESOLVE; | |
206 | else | |
207 | goto clear; | |
208 | ||
209 | } else if (r > 0) | |
210 | l->llmnr_support = SUPPORT_YES; | |
211 | else | |
212 | l->llmnr_support = SUPPORT_NO; | |
213 | ||
214 | return 0; | |
215 | ||
216 | clear: | |
217 | l->llmnr_support = SUPPORT_YES; | |
218 | return r; | |
219 | } | |
220 | ||
74b2466e LP |
221 | int link_update_monitor(Link *l) { |
222 | assert(l); | |
223 | ||
6073b6f2 | 224 | link_update_dns_servers(l); |
19b50b5b | 225 | link_update_llmnr_support(l); |
1716f6dc | 226 | link_allocate_scopes(l); |
ec2c5e43 | 227 | link_add_rrs(l, false); |
74b2466e LP |
228 | |
229 | return 0; | |
230 | } | |
231 | ||
0dd25fb9 | 232 | bool link_relevant(Link *l, int family) { |
1716f6dc | 233 | _cleanup_free_ char *state = NULL; |
74b2466e LP |
234 | LinkAddress *a; |
235 | ||
236 | assert(l); | |
237 | ||
ec2c5e43 LP |
238 | /* A link is relevant if it isn't a loopback or pointopoint |
239 | * device, has a link beat, can do multicast and has at least | |
240 | * one relevant IP address */ | |
241 | ||
242 | if (l->flags & (IFF_LOOPBACK|IFF_POINTOPOINT|IFF_DORMANT)) | |
243 | return false; | |
74b2466e | 244 | |
ec2c5e43 | 245 | if ((l->flags & (IFF_UP|IFF_LOWER_UP|IFF_MULTICAST)) != (IFF_UP|IFF_LOWER_UP|IFF_MULTICAST)) |
74b2466e LP |
246 | return false; |
247 | ||
1716f6dc LP |
248 | sd_network_get_link_operational_state(l->ifindex, &state); |
249 | if (state && !STR_IN_SET(state, "unknown", "degraded", "routable")) | |
74b2466e LP |
250 | return false; |
251 | ||
252 | LIST_FOREACH(addresses, a, l->addresses) | |
1716f6dc | 253 | if (a->family == family && link_address_relevant(a)) |
74b2466e LP |
254 | return true; |
255 | ||
256 | return false; | |
257 | } | |
258 | ||
623a4c97 | 259 | LinkAddress *link_find_address(Link *l, int family, const union in_addr_union *in_addr) { |
74b2466e LP |
260 | LinkAddress *a; |
261 | ||
262 | assert(l); | |
263 | ||
1716f6dc LP |
264 | LIST_FOREACH(addresses, a, l->addresses) |
265 | if (a->family == family && in_addr_equal(family, &a->in_addr, in_addr)) | |
74b2466e | 266 | return a; |
74b2466e LP |
267 | |
268 | return NULL; | |
269 | } | |
270 | ||
623a4c97 | 271 | DnsServer* link_find_dns_server(Link *l, int family, const union in_addr_union *in_addr) { |
6073b6f2 | 272 | DnsServer *s; |
74b2466e LP |
273 | |
274 | assert(l); | |
275 | ||
6073b6f2 | 276 | LIST_FOREACH(servers, s, l->dns_servers) |
1716f6dc | 277 | if (s->family == family && in_addr_equal(family, &s->address, in_addr)) |
74b2466e | 278 | return s; |
74b2466e LP |
279 | return NULL; |
280 | } | |
281 | ||
2c27fbca | 282 | DnsServer* link_set_dns_server(Link *l, DnsServer *s) { |
4e945a6f LP |
283 | assert(l); |
284 | ||
285 | if (l->current_dns_server == s) | |
286 | return s; | |
287 | ||
288 | if (s) { | |
289 | _cleanup_free_ char *ip = NULL; | |
290 | ||
291 | in_addr_to_string(s->family, &s->address, &ip); | |
292 | log_info("Switching to DNS server %s for interface %s.", strna(ip), l->name); | |
2c27fbca | 293 | } |
4e945a6f LP |
294 | |
295 | l->current_dns_server = s; | |
2c27fbca LP |
296 | |
297 | if (l->unicast_scope) | |
298 | dns_cache_flush(&l->unicast_scope->cache); | |
299 | ||
4e945a6f LP |
300 | return s; |
301 | } | |
302 | ||
74b2466e LP |
303 | DnsServer *link_get_dns_server(Link *l) { |
304 | assert(l); | |
305 | ||
306 | if (!l->current_dns_server) | |
4e945a6f | 307 | link_set_dns_server(l, l->dns_servers); |
74b2466e LP |
308 | |
309 | return l->current_dns_server; | |
310 | } | |
311 | ||
312 | void link_next_dns_server(Link *l) { | |
313 | assert(l); | |
314 | ||
74b2466e LP |
315 | if (!l->current_dns_server) |
316 | return; | |
317 | ||
318 | if (l->current_dns_server->servers_next) { | |
4e945a6f | 319 | link_set_dns_server(l, l->current_dns_server->servers_next); |
74b2466e LP |
320 | return; |
321 | } | |
322 | ||
4e945a6f | 323 | link_set_dns_server(l, l->dns_servers); |
74b2466e LP |
324 | } |
325 | ||
623a4c97 | 326 | int link_address_new(Link *l, LinkAddress **ret, int family, const union in_addr_union *in_addr) { |
74b2466e LP |
327 | LinkAddress *a; |
328 | ||
329 | assert(l); | |
330 | assert(in_addr); | |
331 | ||
332 | a = new0(LinkAddress, 1); | |
333 | if (!a) | |
334 | return -ENOMEM; | |
335 | ||
336 | a->family = family; | |
337 | a->in_addr = *in_addr; | |
338 | ||
339 | a->link = l; | |
340 | LIST_PREPEND(addresses, l->addresses, a); | |
341 | ||
342 | if (ret) | |
343 | *ret = a; | |
344 | ||
345 | return 0; | |
346 | } | |
347 | ||
348 | LinkAddress *link_address_free(LinkAddress *a) { | |
349 | if (!a) | |
350 | return NULL; | |
351 | ||
623a4c97 | 352 | if (a->link) { |
74b2466e LP |
353 | LIST_REMOVE(addresses, a->link->addresses, a); |
354 | ||
623a4c97 | 355 | if (a->llmnr_address_rr) { |
623a4c97 LP |
356 | if (a->family == AF_INET && a->link->llmnr_ipv4_scope) |
357 | dns_zone_remove_rr(&a->link->llmnr_ipv4_scope->zone, a->llmnr_address_rr); | |
358 | else if (a->family == AF_INET6 && a->link->llmnr_ipv6_scope) | |
359 | dns_zone_remove_rr(&a->link->llmnr_ipv6_scope->zone, a->llmnr_address_rr); | |
623a4c97 LP |
360 | } |
361 | ||
362 | if (a->llmnr_ptr_rr) { | |
363 | if (a->family == AF_INET && a->link->llmnr_ipv4_scope) | |
364 | dns_zone_remove_rr(&a->link->llmnr_ipv4_scope->zone, a->llmnr_ptr_rr); | |
365 | else if (a->family == AF_INET6 && a->link->llmnr_ipv6_scope) | |
366 | dns_zone_remove_rr(&a->link->llmnr_ipv6_scope->zone, a->llmnr_ptr_rr); | |
623a4c97 LP |
367 | } |
368 | } | |
369 | ||
ec2c5e43 LP |
370 | dns_resource_record_unref(a->llmnr_address_rr); |
371 | dns_resource_record_unref(a->llmnr_ptr_rr); | |
372 | ||
74b2466e LP |
373 | free(a); |
374 | return NULL; | |
375 | } | |
376 | ||
ec2c5e43 | 377 | void link_address_add_rrs(LinkAddress *a, bool force_remove) { |
623a4c97 LP |
378 | int r; |
379 | ||
380 | assert(a); | |
381 | ||
ec2c5e43 | 382 | if (a->family == AF_INET) { |
623a4c97 | 383 | |
4e945a6f LP |
384 | if (!force_remove && |
385 | link_address_relevant(a) && | |
386 | a->link->llmnr_ipv4_scope && | |
19b50b5b | 387 | a->link->llmnr_support == SUPPORT_YES && |
4e945a6f LP |
388 | a->link->manager->llmnr_support == SUPPORT_YES) { |
389 | ||
623a4c97 | 390 | if (!a->link->manager->host_ipv4_key) { |
ec2c5e43 LP |
391 | a->link->manager->host_ipv4_key = dns_resource_key_new(DNS_CLASS_IN, DNS_TYPE_A, a->link->manager->hostname); |
392 | if (!a->link->manager->host_ipv4_key) { | |
393 | r = -ENOMEM; | |
394 | goto fail; | |
395 | } | |
623a4c97 | 396 | } |
623a4c97 | 397 | |
623a4c97 | 398 | if (!a->llmnr_address_rr) { |
ec2c5e43 LP |
399 | a->llmnr_address_rr = dns_resource_record_new(a->link->manager->host_ipv4_key); |
400 | if (!a->llmnr_address_rr) { | |
401 | r = -ENOMEM; | |
402 | goto fail; | |
403 | } | |
404 | ||
405 | a->llmnr_address_rr->a.in_addr = a->in_addr.in; | |
406 | a->llmnr_address_rr->ttl = LLMNR_DEFAULT_TTL; | |
623a4c97 LP |
407 | } |
408 | ||
ec2c5e43 LP |
409 | if (!a->llmnr_ptr_rr) { |
410 | r = dns_resource_record_new_reverse(&a->llmnr_ptr_rr, a->family, &a->in_addr, a->link->manager->hostname); | |
411 | if (r < 0) | |
412 | goto fail; | |
623a4c97 | 413 | |
ec2c5e43 LP |
414 | a->llmnr_ptr_rr->ttl = LLMNR_DEFAULT_TTL; |
415 | } | |
623a4c97 | 416 | |
ec2c5e43 | 417 | r = dns_zone_put(&a->link->llmnr_ipv4_scope->zone, a->link->llmnr_ipv4_scope, a->llmnr_address_rr, true); |
623a4c97 | 418 | if (r < 0) |
cc7844e7 | 419 | log_warning("Failed to add A record to LLMNR zone: %s", strerror(-r)); |
623a4c97 | 420 | |
ec2c5e43 | 421 | r = dns_zone_put(&a->link->llmnr_ipv4_scope->zone, a->link->llmnr_ipv4_scope, a->llmnr_ptr_rr, false); |
623a4c97 | 422 | if (r < 0) |
cc7844e7 | 423 | log_warning("Failed to add IPv6 PTR record to LLMNR zone: %s", strerror(-r)); |
623a4c97 | 424 | } else { |
ec2c5e43 LP |
425 | if (a->llmnr_address_rr) { |
426 | if (a->link->llmnr_ipv4_scope) | |
427 | dns_zone_remove_rr(&a->link->llmnr_ipv4_scope->zone, a->llmnr_address_rr); | |
428 | a->llmnr_address_rr = dns_resource_record_unref(a->llmnr_address_rr); | |
429 | } | |
430 | ||
431 | if (a->llmnr_ptr_rr) { | |
432 | if (a->link->llmnr_ipv4_scope) | |
433 | dns_zone_remove_rr(&a->link->llmnr_ipv4_scope->zone, a->llmnr_ptr_rr); | |
434 | a->llmnr_ptr_rr = dns_resource_record_unref(a->llmnr_ptr_rr); | |
435 | } | |
623a4c97 LP |
436 | } |
437 | } | |
438 | ||
ec2c5e43 | 439 | if (a->family == AF_INET6) { |
623a4c97 | 440 | |
4e945a6f LP |
441 | if (!force_remove && |
442 | link_address_relevant(a) && | |
443 | a->link->llmnr_ipv6_scope && | |
19b50b5b | 444 | a->link->llmnr_support == SUPPORT_YES && |
4e945a6f LP |
445 | a->link->manager->llmnr_support == SUPPORT_YES) { |
446 | ||
623a4c97 | 447 | if (!a->link->manager->host_ipv6_key) { |
ec2c5e43 LP |
448 | a->link->manager->host_ipv6_key = dns_resource_key_new(DNS_CLASS_IN, DNS_TYPE_AAAA, a->link->manager->hostname); |
449 | if (!a->link->manager->host_ipv6_key) { | |
450 | r = -ENOMEM; | |
451 | goto fail; | |
452 | } | |
623a4c97 | 453 | } |
623a4c97 | 454 | |
623a4c97 | 455 | if (!a->llmnr_address_rr) { |
ec2c5e43 LP |
456 | a->llmnr_address_rr = dns_resource_record_new(a->link->manager->host_ipv6_key); |
457 | if (!a->llmnr_address_rr) { | |
458 | r = -ENOMEM; | |
459 | goto fail; | |
460 | } | |
461 | ||
462 | a->llmnr_address_rr->aaaa.in6_addr = a->in_addr.in6; | |
463 | a->llmnr_address_rr->ttl = LLMNR_DEFAULT_TTL; | |
623a4c97 LP |
464 | } |
465 | ||
ec2c5e43 LP |
466 | if (!a->llmnr_ptr_rr) { |
467 | r = dns_resource_record_new_reverse(&a->llmnr_ptr_rr, a->family, &a->in_addr, a->link->manager->hostname); | |
468 | if (r < 0) | |
469 | goto fail; | |
623a4c97 | 470 | |
ec2c5e43 LP |
471 | a->llmnr_ptr_rr->ttl = LLMNR_DEFAULT_TTL; |
472 | } | |
623a4c97 | 473 | |
ec2c5e43 | 474 | r = dns_zone_put(&a->link->llmnr_ipv6_scope->zone, a->link->llmnr_ipv6_scope, a->llmnr_address_rr, true); |
623a4c97 | 475 | if (r < 0) |
ec2c5e43 | 476 | log_warning("Failed to add AAAA record to LLMNR zone: %s", strerror(-r)); |
623a4c97 | 477 | |
ec2c5e43 | 478 | r = dns_zone_put(&a->link->llmnr_ipv6_scope->zone, a->link->llmnr_ipv6_scope, a->llmnr_ptr_rr, false); |
623a4c97 | 479 | if (r < 0) |
ec2c5e43 | 480 | log_warning("Failed to add IPv6 PTR record to LLMNR zone: %s", strerror(-r)); |
623a4c97 | 481 | } else { |
ec2c5e43 LP |
482 | if (a->llmnr_address_rr) { |
483 | if (a->link->llmnr_ipv6_scope) | |
484 | dns_zone_remove_rr(&a->link->llmnr_ipv6_scope->zone, a->llmnr_address_rr); | |
485 | a->llmnr_address_rr = dns_resource_record_unref(a->llmnr_address_rr); | |
486 | } | |
487 | ||
488 | if (a->llmnr_ptr_rr) { | |
489 | if (a->link->llmnr_ipv6_scope) | |
490 | dns_zone_remove_rr(&a->link->llmnr_ipv6_scope->zone, a->llmnr_ptr_rr); | |
491 | a->llmnr_ptr_rr = dns_resource_record_unref(a->llmnr_ptr_rr); | |
492 | } | |
623a4c97 LP |
493 | } |
494 | } | |
495 | ||
496 | return; | |
497 | ||
498 | fail: | |
499 | log_debug("Failed to update address RRs: %s", strerror(-r)); | |
500 | } | |
501 | ||
74b2466e LP |
502 | int link_address_update_rtnl(LinkAddress *a, sd_rtnl_message *m) { |
503 | int r; | |
504 | assert(a); | |
505 | assert(m); | |
506 | ||
507 | r = sd_rtnl_message_addr_get_flags(m, &a->flags); | |
508 | if (r < 0) | |
509 | return r; | |
510 | ||
1716f6dc | 511 | sd_rtnl_message_addr_get_scope(m, &a->scope); |
74b2466e | 512 | |
1716f6dc | 513 | link_allocate_scopes(a->link); |
ec2c5e43 | 514 | link_add_rrs(a->link, false); |
623a4c97 | 515 | |
74b2466e LP |
516 | return 0; |
517 | } | |
518 | ||
519 | bool link_address_relevant(LinkAddress *a) { | |
520 | assert(a); | |
521 | ||
522 | if (a->flags & IFA_F_DEPRECATED) | |
523 | return false; | |
524 | ||
525 | if (IN_SET(a->scope, RT_SCOPE_HOST, RT_SCOPE_NOWHERE)) | |
526 | return false; | |
527 | ||
528 | return true; | |
529 | } |