]>
Commit | Line | Data |
---|---|---|
3abaabda LP |
1 | /*** |
2 | This file is part of systemd. | |
3 | ||
4 | Copyright 2016 Lennart Poettering | |
5 | ||
6 | systemd is free software; you can redistribute it and/or modify it | |
7 | under the terms of the GNU Lesser General Public License as published by | |
8 | the Free Software Foundation; either version 2.1 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | systemd is distributed in the hope that it will be useful, but | |
12 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | Lesser General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU Lesser General Public License | |
17 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
18 | ***/ | |
19 | ||
20 | #include "alloc-util.h" | |
04b764bf | 21 | #include "bus-common-errors.h" |
3abaabda LP |
22 | #include "bus-util.h" |
23 | #include "parse-util.h" | |
24 | #include "resolve-util.h" | |
25 | #include "resolved-bus.h" | |
26 | #include "resolved-link-bus.h" | |
7207052d | 27 | #include "resolved-resolv-conf.h" |
3abaabda LP |
28 | #include "strv.h" |
29 | ||
30 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_resolve_support, resolve_support, ResolveSupport); | |
a3712979 LP |
31 | |
32 | static int property_get_dnssec_mode( | |
33 | sd_bus *bus, | |
34 | const char *path, | |
35 | const char *interface, | |
36 | const char *property, | |
37 | sd_bus_message *reply, | |
38 | void *userdata, | |
39 | sd_bus_error *error) { | |
40 | ||
41 | Link *l = userdata; | |
42 | ||
43 | assert(reply); | |
44 | assert(l); | |
45 | ||
46 | return sd_bus_message_append(reply, "s", dnssec_mode_to_string(link_get_dnssec_mode(l))); | |
47 | } | |
3abaabda LP |
48 | |
49 | static int property_get_dns( | |
50 | sd_bus *bus, | |
51 | const char *path, | |
52 | const char *interface, | |
53 | const char *property, | |
54 | sd_bus_message *reply, | |
55 | void *userdata, | |
56 | sd_bus_error *error) { | |
57 | ||
58 | Link *l = userdata; | |
59 | DnsServer *s; | |
60 | int r; | |
61 | ||
62 | assert(reply); | |
63 | assert(l); | |
64 | ||
65 | r = sd_bus_message_open_container(reply, 'a', "(iay)"); | |
66 | if (r < 0) | |
67 | return r; | |
68 | ||
69 | LIST_FOREACH(servers, s, l->dns_servers) { | |
70 | r = bus_dns_server_append(reply, s, false); | |
71 | if (r < 0) | |
72 | return r; | |
73 | } | |
74 | ||
75 | return sd_bus_message_close_container(reply); | |
76 | } | |
77 | ||
78 | static int property_get_domains( | |
79 | sd_bus *bus, | |
80 | const char *path, | |
81 | const char *interface, | |
82 | const char *property, | |
83 | sd_bus_message *reply, | |
84 | void *userdata, | |
85 | sd_bus_error *error) { | |
86 | ||
87 | Link *l = userdata; | |
88 | DnsSearchDomain *d; | |
89 | int r; | |
90 | ||
91 | assert(reply); | |
92 | assert(l); | |
93 | ||
ad44b56b | 94 | r = sd_bus_message_open_container(reply, 'a', "(sb)"); |
3abaabda LP |
95 | if (r < 0) |
96 | return r; | |
97 | ||
98 | LIST_FOREACH(domains, d, l->search_domains) { | |
ad44b56b | 99 | r = sd_bus_message_append(reply, "(sb)", d->name, d->route_only); |
3abaabda LP |
100 | if (r < 0) |
101 | return r; | |
102 | } | |
103 | ||
104 | return sd_bus_message_close_container(reply); | |
105 | } | |
106 | ||
107 | static int property_get_scopes_mask( | |
108 | sd_bus *bus, | |
109 | const char *path, | |
110 | const char *interface, | |
111 | const char *property, | |
112 | sd_bus_message *reply, | |
113 | void *userdata, | |
114 | sd_bus_error *error) { | |
115 | ||
116 | Link *l = userdata; | |
117 | uint64_t mask; | |
118 | ||
119 | assert(reply); | |
120 | assert(l); | |
121 | ||
122 | mask = (l->unicast_scope ? SD_RESOLVED_DNS : 0) | | |
123 | (l->llmnr_ipv4_scope ? SD_RESOLVED_LLMNR_IPV4 : 0) | | |
124 | (l->llmnr_ipv6_scope ? SD_RESOLVED_LLMNR_IPV6 : 0) | | |
125 | (l->mdns_ipv4_scope ? SD_RESOLVED_MDNS_IPV4 : 0) | | |
126 | (l->mdns_ipv6_scope ? SD_RESOLVED_MDNS_IPV6 : 0); | |
127 | ||
128 | return sd_bus_message_append(reply, "t", mask); | |
129 | } | |
130 | ||
131 | static int property_get_ntas( | |
132 | sd_bus *bus, | |
133 | const char *path, | |
134 | const char *interface, | |
135 | const char *property, | |
136 | sd_bus_message *reply, | |
137 | void *userdata, | |
138 | sd_bus_error *error) { | |
139 | ||
140 | Link *l = userdata; | |
141 | const char *name; | |
142 | Iterator i; | |
143 | int r; | |
144 | ||
145 | assert(reply); | |
146 | assert(l); | |
147 | ||
148 | r = sd_bus_message_open_container(reply, 'a', "s"); | |
149 | if (r < 0) | |
150 | return r; | |
151 | ||
152 | SET_FOREACH(name, l->dnssec_negative_trust_anchors, i) { | |
153 | r = sd_bus_message_append(reply, "s", name); | |
154 | if (r < 0) | |
155 | return r; | |
156 | } | |
157 | ||
158 | return sd_bus_message_close_container(reply); | |
159 | } | |
160 | ||
c69fa7e3 LP |
161 | static int property_get_dnssec_supported( |
162 | sd_bus *bus, | |
163 | const char *path, | |
164 | const char *interface, | |
165 | const char *property, | |
166 | sd_bus_message *reply, | |
167 | void *userdata, | |
168 | sd_bus_error *error) { | |
169 | ||
170 | Link *l = userdata; | |
171 | ||
172 | assert(reply); | |
173 | assert(l); | |
174 | ||
175 | return sd_bus_message_append(reply, "b", link_dnssec_supported(l)); | |
176 | } | |
177 | ||
04b764bf LP |
178 | static int verify_unmanaged_link(Link *l, sd_bus_error *error) { |
179 | assert(l); | |
180 | ||
181 | if (l->flags & IFF_LOOPBACK) | |
182 | return sd_bus_error_setf(error, BUS_ERROR_LINK_BUSY, "Link %s is loopback device.", l->name); | |
183 | if (l->is_managed) | |
184 | return sd_bus_error_setf(error, BUS_ERROR_LINK_BUSY, "Link %s is managed.", l->name); | |
185 | ||
186 | return 0; | |
187 | } | |
188 | ||
d2ec6608 LP |
189 | int bus_link_method_set_dns_servers(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
190 | _cleanup_free_ struct in_addr_data *dns = NULL; | |
191 | size_t allocated = 0, n = 0; | |
192 | Link *l = userdata; | |
193 | unsigned i; | |
194 | int r; | |
195 | ||
196 | assert(message); | |
197 | assert(l); | |
198 | ||
04b764bf LP |
199 | r = verify_unmanaged_link(l, error); |
200 | if (r < 0) | |
201 | return r; | |
202 | ||
d2ec6608 LP |
203 | r = sd_bus_message_enter_container(message, 'a', "(iay)"); |
204 | if (r < 0) | |
205 | return r; | |
206 | ||
207 | for (;;) { | |
208 | int family; | |
209 | size_t sz; | |
210 | const void *d; | |
211 | ||
212 | assert_cc(sizeof(int) == sizeof(int32_t)); | |
213 | ||
214 | r = sd_bus_message_enter_container(message, 'r', "iay"); | |
215 | if (r < 0) | |
216 | return r; | |
217 | if (r == 0) | |
218 | break; | |
219 | ||
220 | r = sd_bus_message_read(message, "i", &family); | |
221 | if (r < 0) | |
222 | return r; | |
223 | ||
224 | if (!IN_SET(family, AF_INET, AF_INET6)) | |
225 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unknown address family %i", family); | |
226 | ||
227 | r = sd_bus_message_read_array(message, 'y', &d, &sz); | |
228 | if (r < 0) | |
229 | return r; | |
230 | if (sz != FAMILY_ADDRESS_SIZE(family)) | |
231 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid address size"); | |
232 | ||
233 | r = sd_bus_message_exit_container(message); | |
234 | if (r < 0) | |
235 | return r; | |
236 | ||
237 | if (!GREEDY_REALLOC(dns, allocated, n+1)) | |
238 | return -ENOMEM; | |
239 | ||
240 | dns[n].family = family; | |
241 | memcpy(&dns[n].address, d, sz); | |
242 | n++; | |
243 | } | |
244 | ||
245 | r = sd_bus_message_exit_container(message); | |
246 | if (r < 0) | |
247 | return r; | |
248 | ||
249 | dns_server_mark_all(l->dns_servers); | |
250 | ||
251 | for (i = 0; i < n; i++) { | |
252 | DnsServer *s; | |
253 | ||
2817157b | 254 | s = dns_server_find(l->dns_servers, dns[i].family, &dns[i].address, 0); |
d2ec6608 LP |
255 | if (s) |
256 | dns_server_move_back_and_unmark(s); | |
257 | else { | |
2817157b | 258 | r = dns_server_new(l->manager, NULL, DNS_SERVER_LINK, l, dns[i].family, &dns[i].address, 0); |
d2ec6608 LP |
259 | if (r < 0) |
260 | goto clear; | |
261 | } | |
262 | ||
263 | } | |
264 | ||
265 | dns_server_unlink_marked(l->dns_servers); | |
266 | link_allocate_scopes(l); | |
267 | ||
943ef07c | 268 | (void) link_save_user(l); |
7207052d LP |
269 | (void) manager_write_resolv_conf(l->manager); |
270 | ||
d2ec6608 LP |
271 | return sd_bus_reply_method_return(message, NULL); |
272 | ||
273 | clear: | |
274 | dns_server_unlink_all(l->dns_servers); | |
275 | return r; | |
276 | } | |
277 | ||
ee116b54 | 278 | int bus_link_method_set_domains(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
d2ec6608 | 279 | Link *l = userdata; |
d2ec6608 LP |
280 | int r; |
281 | ||
282 | assert(message); | |
283 | assert(l); | |
284 | ||
04b764bf LP |
285 | r = verify_unmanaged_link(l, error); |
286 | if (r < 0) | |
287 | return r; | |
288 | ||
ad44b56b | 289 | r = sd_bus_message_enter_container(message, 'a', "(sb)"); |
d2ec6608 LP |
290 | if (r < 0) |
291 | return r; | |
292 | ||
ad44b56b LP |
293 | for (;;) { |
294 | const char *name; | |
295 | int route_only; | |
d2ec6608 | 296 | |
ad44b56b | 297 | r = sd_bus_message_read(message, "(sb)", &name, &route_only); |
d2ec6608 LP |
298 | if (r < 0) |
299 | return r; | |
300 | if (r == 0) | |
ad44b56b LP |
301 | break; |
302 | ||
303 | r = dns_name_is_valid(name); | |
304 | if (r < 0) | |
305 | return r; | |
306 | if (r == 0) | |
307 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid search domain %s", name); | |
308 | if (!route_only && dns_name_is_root(name)) | |
d2ec6608 LP |
309 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Root domain is not suitable as search domain"); |
310 | } | |
311 | ||
312 | dns_search_domain_mark_all(l->search_domains); | |
313 | ||
ad44b56b LP |
314 | r = sd_bus_message_rewind(message, false); |
315 | if (r < 0) | |
316 | return r; | |
317 | ||
318 | for (;;) { | |
d2ec6608 | 319 | DnsSearchDomain *d; |
ad44b56b LP |
320 | const char *name; |
321 | int route_only; | |
d2ec6608 | 322 | |
ad44b56b LP |
323 | r = sd_bus_message_read(message, "(sb)", &name, &route_only); |
324 | if (r < 0) | |
325 | goto clear; | |
326 | if (r == 0) | |
327 | break; | |
328 | ||
329 | r = dns_search_domain_find(l->search_domains, name, &d); | |
d2ec6608 LP |
330 | if (r < 0) |
331 | goto clear; | |
332 | ||
333 | if (r > 0) | |
334 | dns_search_domain_move_back_and_unmark(d); | |
335 | else { | |
ad44b56b | 336 | r = dns_search_domain_new(l->manager, &d, DNS_SEARCH_DOMAIN_LINK, l, name); |
d2ec6608 LP |
337 | if (r < 0) |
338 | goto clear; | |
339 | } | |
ad44b56b LP |
340 | |
341 | d->route_only = route_only; | |
d2ec6608 LP |
342 | } |
343 | ||
ad44b56b LP |
344 | r = sd_bus_message_exit_container(message); |
345 | if (r < 0) | |
346 | goto clear; | |
347 | ||
d2ec6608 | 348 | dns_search_domain_unlink_marked(l->search_domains); |
7207052d | 349 | |
943ef07c | 350 | (void) link_save_user(l); |
7207052d LP |
351 | (void) manager_write_resolv_conf(l->manager); |
352 | ||
d2ec6608 LP |
353 | return sd_bus_reply_method_return(message, NULL); |
354 | ||
355 | clear: | |
356 | dns_search_domain_unlink_all(l->search_domains); | |
357 | return r; | |
358 | } | |
359 | ||
360 | int bus_link_method_set_llmnr(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
361 | Link *l = userdata; | |
362 | ResolveSupport mode; | |
363 | const char *llmnr; | |
364 | int r; | |
365 | ||
366 | assert(message); | |
367 | assert(l); | |
368 | ||
04b764bf LP |
369 | r = verify_unmanaged_link(l, error); |
370 | if (r < 0) | |
371 | return r; | |
372 | ||
d2ec6608 LP |
373 | r = sd_bus_message_read(message, "s", &llmnr); |
374 | if (r < 0) | |
375 | return r; | |
376 | ||
377 | if (isempty(llmnr)) | |
378 | mode = RESOLVE_SUPPORT_YES; | |
379 | else { | |
380 | mode = resolve_support_from_string(llmnr); | |
381 | if (mode < 0) | |
382 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid LLMNR setting: %s", llmnr); | |
383 | } | |
384 | ||
385 | l->llmnr_support = mode; | |
386 | link_allocate_scopes(l); | |
387 | link_add_rrs(l, false); | |
388 | ||
943ef07c LP |
389 | (void) link_save_user(l); |
390 | ||
d2ec6608 LP |
391 | return sd_bus_reply_method_return(message, NULL); |
392 | } | |
393 | ||
394 | int bus_link_method_set_mdns(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
395 | Link *l = userdata; | |
396 | ResolveSupport mode; | |
397 | const char *mdns; | |
398 | int r; | |
399 | ||
400 | assert(message); | |
401 | assert(l); | |
402 | ||
04b764bf LP |
403 | r = verify_unmanaged_link(l, error); |
404 | if (r < 0) | |
405 | return r; | |
406 | ||
d2ec6608 LP |
407 | r = sd_bus_message_read(message, "s", &mdns); |
408 | if (r < 0) | |
409 | return r; | |
410 | ||
411 | if (isempty(mdns)) | |
412 | mode = RESOLVE_SUPPORT_NO; | |
413 | else { | |
414 | mode = resolve_support_from_string(mdns); | |
415 | if (mode < 0) | |
416 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid MulticastDNS setting: %s", mdns); | |
417 | } | |
418 | ||
419 | l->mdns_support = mode; | |
420 | link_allocate_scopes(l); | |
421 | link_add_rrs(l, false); | |
422 | ||
943ef07c LP |
423 | (void) link_save_user(l); |
424 | ||
d2ec6608 LP |
425 | return sd_bus_reply_method_return(message, NULL); |
426 | } | |
427 | ||
428 | int bus_link_method_set_dnssec(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
429 | Link *l = userdata; | |
430 | const char *dnssec; | |
431 | DnssecMode mode; | |
432 | int r; | |
433 | ||
434 | assert(message); | |
435 | assert(l); | |
436 | ||
04b764bf LP |
437 | r = verify_unmanaged_link(l, error); |
438 | if (r < 0) | |
439 | return r; | |
440 | ||
d2ec6608 LP |
441 | r = sd_bus_message_read(message, "s", &dnssec); |
442 | if (r < 0) | |
443 | return r; | |
444 | ||
445 | if (isempty(dnssec)) | |
446 | mode = _DNSSEC_MODE_INVALID; | |
447 | else { | |
448 | mode = dnssec_mode_from_string(dnssec); | |
449 | if (mode < 0) | |
450 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid DNSSEC setting: %s", dnssec); | |
451 | } | |
452 | ||
453 | link_set_dnssec_mode(l, mode); | |
454 | ||
943ef07c LP |
455 | (void) link_save_user(l); |
456 | ||
d2ec6608 LP |
457 | return sd_bus_reply_method_return(message, NULL); |
458 | } | |
459 | ||
460 | int bus_link_method_set_dnssec_negative_trust_anchors(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
461 | _cleanup_set_free_free_ Set *ns = NULL; | |
462 | _cleanup_free_ char **ntas = NULL; | |
463 | Link *l = userdata; | |
464 | int r; | |
465 | char **i; | |
466 | ||
467 | assert(message); | |
468 | assert(l); | |
469 | ||
04b764bf LP |
470 | r = verify_unmanaged_link(l, error); |
471 | if (r < 0) | |
472 | return r; | |
473 | ||
d2ec6608 LP |
474 | r = sd_bus_message_read_strv(message, &ntas); |
475 | if (r < 0) | |
476 | return r; | |
477 | ||
478 | STRV_FOREACH(i, ntas) { | |
479 | r = dns_name_is_valid(*i); | |
480 | if (r < 0) | |
481 | return r; | |
482 | if (r == 0) | |
55abd6da | 483 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid negative trust anchor domain: %s", *i); |
d2ec6608 LP |
484 | } |
485 | ||
486 | ns = set_new(&dns_name_hash_ops); | |
487 | if (!ns) | |
488 | return -ENOMEM; | |
489 | ||
490 | STRV_FOREACH(i, ntas) { | |
491 | r = set_put_strdup(ns, *i); | |
492 | if (r < 0) | |
493 | return r; | |
494 | } | |
495 | ||
496 | set_free_free(l->dnssec_negative_trust_anchors); | |
497 | l->dnssec_negative_trust_anchors = ns; | |
498 | ns = NULL; | |
499 | ||
943ef07c LP |
500 | (void) link_save_user(l); |
501 | ||
d2ec6608 LP |
502 | return sd_bus_reply_method_return(message, NULL); |
503 | } | |
504 | ||
505 | int bus_link_method_revert(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
506 | Link *l = userdata; | |
04b764bf | 507 | int r; |
d2ec6608 LP |
508 | |
509 | assert(message); | |
510 | assert(l); | |
511 | ||
04b764bf LP |
512 | r = verify_unmanaged_link(l, error); |
513 | if (r < 0) | |
514 | return r; | |
515 | ||
d2ec6608 LP |
516 | link_flush_settings(l); |
517 | link_allocate_scopes(l); | |
518 | link_add_rrs(l, false); | |
519 | ||
943ef07c | 520 | (void) link_save_user(l); |
7207052d LP |
521 | (void) manager_write_resolv_conf(l->manager); |
522 | ||
d2ec6608 LP |
523 | return sd_bus_reply_method_return(message, NULL); |
524 | } | |
525 | ||
3abaabda LP |
526 | const sd_bus_vtable link_vtable[] = { |
527 | SD_BUS_VTABLE_START(0), | |
528 | ||
529 | SD_BUS_PROPERTY("ScopesMask", "t", property_get_scopes_mask, 0, 0), | |
530 | SD_BUS_PROPERTY("DNS", "a(iay)", property_get_dns, 0, 0), | |
ad44b56b | 531 | SD_BUS_PROPERTY("Domains", "a(sb)", property_get_domains, 0, 0), |
3abaabda LP |
532 | SD_BUS_PROPERTY("LLMNR", "s", property_get_resolve_support, offsetof(Link, llmnr_support), 0), |
533 | SD_BUS_PROPERTY("MulticastDNS", "s", property_get_resolve_support, offsetof(Link, mdns_support), 0), | |
a3712979 | 534 | SD_BUS_PROPERTY("DNSSEC", "s", property_get_dnssec_mode, 0, 0), |
3abaabda | 535 | SD_BUS_PROPERTY("DNSSECNegativeTrustAnchors", "as", property_get_ntas, 0, 0), |
c2cf6e0b | 536 | SD_BUS_PROPERTY("DNSSECSupported", "b", property_get_dnssec_supported, 0, 0), |
3abaabda | 537 | |
d2ec6608 | 538 | SD_BUS_METHOD("SetDNS", "a(iay)", NULL, bus_link_method_set_dns_servers, 0), |
ee116b54 | 539 | SD_BUS_METHOD("SetDomains", "a(sb)", NULL, bus_link_method_set_domains, 0), |
d2ec6608 LP |
540 | SD_BUS_METHOD("SetLLMNR", "s", NULL, bus_link_method_set_llmnr, 0), |
541 | SD_BUS_METHOD("SetMulticastDNS", "s", NULL, bus_link_method_set_mdns, 0), | |
542 | SD_BUS_METHOD("SetDNSSEC", "s", NULL, bus_link_method_set_dnssec, 0), | |
543 | SD_BUS_METHOD("SetDNSSECNegativeTrustAnchors", "as", NULL, bus_link_method_set_dnssec_negative_trust_anchors, 0), | |
544 | SD_BUS_METHOD("Revert", NULL, NULL, bus_link_method_revert, 0), | |
545 | ||
3abaabda LP |
546 | SD_BUS_VTABLE_END |
547 | }; | |
548 | ||
549 | int link_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) { | |
550 | _cleanup_free_ char *e = NULL; | |
551 | Manager *m = userdata; | |
552 | int ifindex; | |
553 | Link *link; | |
554 | int r; | |
555 | ||
556 | assert(bus); | |
557 | assert(path); | |
558 | assert(interface); | |
559 | assert(found); | |
560 | assert(m); | |
561 | ||
562 | r = sd_bus_path_decode(path, "/org/freedesktop/resolve1/link", &e); | |
563 | if (r <= 0) | |
564 | return 0; | |
565 | ||
566 | r = parse_ifindex(e, &ifindex); | |
567 | if (r < 0) | |
568 | return 0; | |
569 | ||
570 | link = hashmap_get(m->links, INT_TO_PTR(ifindex)); | |
571 | if (!link) | |
572 | return 0; | |
573 | ||
574 | *found = link; | |
575 | return 1; | |
576 | } | |
577 | ||
578 | char *link_bus_path(Link *link) { | |
579 | _cleanup_free_ char *ifindex = NULL; | |
580 | char *p; | |
581 | int r; | |
582 | ||
583 | assert(link); | |
584 | ||
585 | if (asprintf(&ifindex, "%i", link->ifindex) < 0) | |
586 | return NULL; | |
587 | ||
588 | r = sd_bus_path_encode("/org/freedesktop/resolve1/link", ifindex, &p); | |
589 | if (r < 0) | |
590 | return NULL; | |
591 | ||
592 | return p; | |
593 | } | |
594 | ||
595 | int link_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) { | |
596 | _cleanup_strv_free_ char **l = NULL; | |
597 | Manager *m = userdata; | |
598 | Link *link; | |
599 | Iterator i; | |
600 | unsigned c = 0; | |
601 | ||
602 | assert(bus); | |
603 | assert(path); | |
604 | assert(m); | |
605 | assert(nodes); | |
606 | ||
607 | l = new0(char*, hashmap_size(m->links) + 1); | |
608 | if (!l) | |
609 | return -ENOMEM; | |
610 | ||
611 | HASHMAP_FOREACH(link, m->links, i) { | |
612 | char *p; | |
613 | ||
614 | p = link_bus_path(link); | |
615 | if (!p) | |
616 | return -ENOMEM; | |
617 | ||
618 | l[c++] = p; | |
619 | } | |
620 | ||
621 | l[c] = NULL; | |
622 | *nodes = l; | |
623 | l = NULL; | |
624 | ||
625 | return 1; | |
626 | } |