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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
3abaabda LP |
2 | /*** |
3 | This file is part of systemd. | |
4 | ||
5 | Copyright 2016 Lennart Poettering | |
6 | ||
7 | systemd is free software; you can redistribute it and/or modify it | |
8 | under the terms of the GNU Lesser General Public License as published by | |
9 | the Free Software Foundation; either version 2.1 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | systemd is distributed in the hope that it will be useful, but | |
13 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | Lesser General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU Lesser General Public License | |
18 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
19 | ***/ | |
20 | ||
21 | #include "alloc-util.h" | |
04b764bf | 22 | #include "bus-common-errors.h" |
3abaabda LP |
23 | #include "bus-util.h" |
24 | #include "parse-util.h" | |
25 | #include "resolve-util.h" | |
26 | #include "resolved-bus.h" | |
27 | #include "resolved-link-bus.h" | |
7207052d | 28 | #include "resolved-resolv-conf.h" |
3abaabda LP |
29 | #include "strv.h" |
30 | ||
31 | static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_resolve_support, resolve_support, ResolveSupport); | |
a3712979 LP |
32 | |
33 | static int property_get_dnssec_mode( | |
34 | sd_bus *bus, | |
35 | const char *path, | |
36 | const char *interface, | |
37 | const char *property, | |
38 | sd_bus_message *reply, | |
39 | void *userdata, | |
40 | sd_bus_error *error) { | |
41 | ||
42 | Link *l = userdata; | |
43 | ||
44 | assert(reply); | |
45 | assert(l); | |
46 | ||
47 | return sd_bus_message_append(reply, "s", dnssec_mode_to_string(link_get_dnssec_mode(l))); | |
48 | } | |
3abaabda LP |
49 | |
50 | static int property_get_dns( | |
51 | sd_bus *bus, | |
52 | const char *path, | |
53 | const char *interface, | |
54 | const char *property, | |
55 | sd_bus_message *reply, | |
56 | void *userdata, | |
57 | sd_bus_error *error) { | |
58 | ||
59 | Link *l = userdata; | |
60 | DnsServer *s; | |
61 | int r; | |
62 | ||
63 | assert(reply); | |
64 | assert(l); | |
65 | ||
66 | r = sd_bus_message_open_container(reply, 'a', "(iay)"); | |
67 | if (r < 0) | |
68 | return r; | |
69 | ||
70 | LIST_FOREACH(servers, s, l->dns_servers) { | |
71 | r = bus_dns_server_append(reply, s, false); | |
72 | if (r < 0) | |
73 | return r; | |
74 | } | |
75 | ||
76 | return sd_bus_message_close_container(reply); | |
77 | } | |
78 | ||
79 | static int property_get_domains( | |
80 | sd_bus *bus, | |
81 | const char *path, | |
82 | const char *interface, | |
83 | const char *property, | |
84 | sd_bus_message *reply, | |
85 | void *userdata, | |
86 | sd_bus_error *error) { | |
87 | ||
88 | Link *l = userdata; | |
89 | DnsSearchDomain *d; | |
90 | int r; | |
91 | ||
92 | assert(reply); | |
93 | assert(l); | |
94 | ||
ad44b56b | 95 | r = sd_bus_message_open_container(reply, 'a', "(sb)"); |
3abaabda LP |
96 | if (r < 0) |
97 | return r; | |
98 | ||
99 | LIST_FOREACH(domains, d, l->search_domains) { | |
ad44b56b | 100 | r = sd_bus_message_append(reply, "(sb)", d->name, d->route_only); |
3abaabda LP |
101 | if (r < 0) |
102 | return r; | |
103 | } | |
104 | ||
105 | return sd_bus_message_close_container(reply); | |
106 | } | |
107 | ||
108 | static int property_get_scopes_mask( | |
109 | sd_bus *bus, | |
110 | const char *path, | |
111 | const char *interface, | |
112 | const char *property, | |
113 | sd_bus_message *reply, | |
114 | void *userdata, | |
115 | sd_bus_error *error) { | |
116 | ||
117 | Link *l = userdata; | |
118 | uint64_t mask; | |
119 | ||
120 | assert(reply); | |
121 | assert(l); | |
122 | ||
123 | mask = (l->unicast_scope ? SD_RESOLVED_DNS : 0) | | |
124 | (l->llmnr_ipv4_scope ? SD_RESOLVED_LLMNR_IPV4 : 0) | | |
125 | (l->llmnr_ipv6_scope ? SD_RESOLVED_LLMNR_IPV6 : 0) | | |
126 | (l->mdns_ipv4_scope ? SD_RESOLVED_MDNS_IPV4 : 0) | | |
127 | (l->mdns_ipv6_scope ? SD_RESOLVED_MDNS_IPV6 : 0); | |
128 | ||
129 | return sd_bus_message_append(reply, "t", mask); | |
130 | } | |
131 | ||
132 | static int property_get_ntas( | |
133 | sd_bus *bus, | |
134 | const char *path, | |
135 | const char *interface, | |
136 | const char *property, | |
137 | sd_bus_message *reply, | |
138 | void *userdata, | |
139 | sd_bus_error *error) { | |
140 | ||
141 | Link *l = userdata; | |
142 | const char *name; | |
143 | Iterator i; | |
144 | int r; | |
145 | ||
146 | assert(reply); | |
147 | assert(l); | |
148 | ||
149 | r = sd_bus_message_open_container(reply, 'a', "s"); | |
150 | if (r < 0) | |
151 | return r; | |
152 | ||
153 | SET_FOREACH(name, l->dnssec_negative_trust_anchors, i) { | |
154 | r = sd_bus_message_append(reply, "s", name); | |
155 | if (r < 0) | |
156 | return r; | |
157 | } | |
158 | ||
159 | return sd_bus_message_close_container(reply); | |
160 | } | |
161 | ||
c69fa7e3 LP |
162 | static int property_get_dnssec_supported( |
163 | sd_bus *bus, | |
164 | const char *path, | |
165 | const char *interface, | |
166 | const char *property, | |
167 | sd_bus_message *reply, | |
168 | void *userdata, | |
169 | sd_bus_error *error) { | |
170 | ||
171 | Link *l = userdata; | |
172 | ||
173 | assert(reply); | |
174 | assert(l); | |
175 | ||
176 | return sd_bus_message_append(reply, "b", link_dnssec_supported(l)); | |
177 | } | |
178 | ||
04b764bf LP |
179 | static int verify_unmanaged_link(Link *l, sd_bus_error *error) { |
180 | assert(l); | |
181 | ||
182 | if (l->flags & IFF_LOOPBACK) | |
183 | return sd_bus_error_setf(error, BUS_ERROR_LINK_BUSY, "Link %s is loopback device.", l->name); | |
184 | if (l->is_managed) | |
185 | return sd_bus_error_setf(error, BUS_ERROR_LINK_BUSY, "Link %s is managed.", l->name); | |
186 | ||
187 | return 0; | |
188 | } | |
189 | ||
d2ec6608 LP |
190 | int bus_link_method_set_dns_servers(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
191 | _cleanup_free_ struct in_addr_data *dns = NULL; | |
192 | size_t allocated = 0, n = 0; | |
193 | Link *l = userdata; | |
194 | unsigned i; | |
195 | int r; | |
196 | ||
197 | assert(message); | |
198 | assert(l); | |
199 | ||
04b764bf LP |
200 | r = verify_unmanaged_link(l, error); |
201 | if (r < 0) | |
202 | return r; | |
203 | ||
d2ec6608 LP |
204 | r = sd_bus_message_enter_container(message, 'a', "(iay)"); |
205 | if (r < 0) | |
206 | return r; | |
207 | ||
208 | for (;;) { | |
209 | int family; | |
210 | size_t sz; | |
211 | const void *d; | |
212 | ||
213 | assert_cc(sizeof(int) == sizeof(int32_t)); | |
214 | ||
215 | r = sd_bus_message_enter_container(message, 'r', "iay"); | |
216 | if (r < 0) | |
217 | return r; | |
218 | if (r == 0) | |
219 | break; | |
220 | ||
221 | r = sd_bus_message_read(message, "i", &family); | |
222 | if (r < 0) | |
223 | return r; | |
224 | ||
225 | if (!IN_SET(family, AF_INET, AF_INET6)) | |
226 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unknown address family %i", family); | |
227 | ||
228 | r = sd_bus_message_read_array(message, 'y', &d, &sz); | |
229 | if (r < 0) | |
230 | return r; | |
231 | if (sz != FAMILY_ADDRESS_SIZE(family)) | |
232 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid address size"); | |
233 | ||
b30bf55d LP |
234 | if (!dns_server_address_valid(family, d)) |
235 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid DNS server address"); | |
236 | ||
d2ec6608 LP |
237 | r = sd_bus_message_exit_container(message); |
238 | if (r < 0) | |
239 | return r; | |
240 | ||
241 | if (!GREEDY_REALLOC(dns, allocated, n+1)) | |
242 | return -ENOMEM; | |
243 | ||
244 | dns[n].family = family; | |
245 | memcpy(&dns[n].address, d, sz); | |
246 | n++; | |
247 | } | |
248 | ||
249 | r = sd_bus_message_exit_container(message); | |
250 | if (r < 0) | |
251 | return r; | |
252 | ||
253 | dns_server_mark_all(l->dns_servers); | |
254 | ||
255 | for (i = 0; i < n; i++) { | |
256 | DnsServer *s; | |
257 | ||
2817157b | 258 | s = dns_server_find(l->dns_servers, dns[i].family, &dns[i].address, 0); |
d2ec6608 LP |
259 | if (s) |
260 | dns_server_move_back_and_unmark(s); | |
261 | else { | |
2817157b | 262 | r = dns_server_new(l->manager, NULL, DNS_SERVER_LINK, l, dns[i].family, &dns[i].address, 0); |
d2ec6608 LP |
263 | if (r < 0) |
264 | goto clear; | |
265 | } | |
266 | ||
267 | } | |
268 | ||
269 | dns_server_unlink_marked(l->dns_servers); | |
270 | link_allocate_scopes(l); | |
271 | ||
943ef07c | 272 | (void) link_save_user(l); |
7207052d LP |
273 | (void) manager_write_resolv_conf(l->manager); |
274 | ||
d2ec6608 LP |
275 | return sd_bus_reply_method_return(message, NULL); |
276 | ||
277 | clear: | |
278 | dns_server_unlink_all(l->dns_servers); | |
279 | return r; | |
280 | } | |
281 | ||
ee116b54 | 282 | int bus_link_method_set_domains(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
d2ec6608 | 283 | Link *l = userdata; |
d2ec6608 LP |
284 | int r; |
285 | ||
286 | assert(message); | |
287 | assert(l); | |
288 | ||
04b764bf LP |
289 | r = verify_unmanaged_link(l, error); |
290 | if (r < 0) | |
291 | return r; | |
292 | ||
ad44b56b | 293 | r = sd_bus_message_enter_container(message, 'a', "(sb)"); |
d2ec6608 LP |
294 | if (r < 0) |
295 | return r; | |
296 | ||
ad44b56b LP |
297 | for (;;) { |
298 | const char *name; | |
299 | int route_only; | |
d2ec6608 | 300 | |
ad44b56b | 301 | r = sd_bus_message_read(message, "(sb)", &name, &route_only); |
d2ec6608 LP |
302 | if (r < 0) |
303 | return r; | |
304 | if (r == 0) | |
ad44b56b LP |
305 | break; |
306 | ||
307 | r = dns_name_is_valid(name); | |
308 | if (r < 0) | |
309 | return r; | |
310 | if (r == 0) | |
311 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid search domain %s", name); | |
312 | if (!route_only && dns_name_is_root(name)) | |
d2ec6608 LP |
313 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Root domain is not suitable as search domain"); |
314 | } | |
315 | ||
316 | dns_search_domain_mark_all(l->search_domains); | |
317 | ||
ad44b56b LP |
318 | r = sd_bus_message_rewind(message, false); |
319 | if (r < 0) | |
320 | return r; | |
321 | ||
322 | for (;;) { | |
d2ec6608 | 323 | DnsSearchDomain *d; |
ad44b56b LP |
324 | const char *name; |
325 | int route_only; | |
d2ec6608 | 326 | |
ad44b56b LP |
327 | r = sd_bus_message_read(message, "(sb)", &name, &route_only); |
328 | if (r < 0) | |
329 | goto clear; | |
330 | if (r == 0) | |
331 | break; | |
332 | ||
333 | r = dns_search_domain_find(l->search_domains, name, &d); | |
d2ec6608 LP |
334 | if (r < 0) |
335 | goto clear; | |
336 | ||
337 | if (r > 0) | |
338 | dns_search_domain_move_back_and_unmark(d); | |
339 | else { | |
ad44b56b | 340 | r = dns_search_domain_new(l->manager, &d, DNS_SEARCH_DOMAIN_LINK, l, name); |
d2ec6608 LP |
341 | if (r < 0) |
342 | goto clear; | |
343 | } | |
ad44b56b LP |
344 | |
345 | d->route_only = route_only; | |
d2ec6608 LP |
346 | } |
347 | ||
ad44b56b LP |
348 | r = sd_bus_message_exit_container(message); |
349 | if (r < 0) | |
350 | goto clear; | |
351 | ||
d2ec6608 | 352 | dns_search_domain_unlink_marked(l->search_domains); |
7207052d | 353 | |
943ef07c | 354 | (void) link_save_user(l); |
7207052d LP |
355 | (void) manager_write_resolv_conf(l->manager); |
356 | ||
d2ec6608 LP |
357 | return sd_bus_reply_method_return(message, NULL); |
358 | ||
359 | clear: | |
360 | dns_search_domain_unlink_all(l->search_domains); | |
361 | return r; | |
362 | } | |
363 | ||
364 | int bus_link_method_set_llmnr(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
365 | Link *l = userdata; | |
366 | ResolveSupport mode; | |
367 | const char *llmnr; | |
368 | int r; | |
369 | ||
370 | assert(message); | |
371 | assert(l); | |
372 | ||
04b764bf LP |
373 | r = verify_unmanaged_link(l, error); |
374 | if (r < 0) | |
375 | return r; | |
376 | ||
d2ec6608 LP |
377 | r = sd_bus_message_read(message, "s", &llmnr); |
378 | if (r < 0) | |
379 | return r; | |
380 | ||
381 | if (isempty(llmnr)) | |
382 | mode = RESOLVE_SUPPORT_YES; | |
383 | else { | |
384 | mode = resolve_support_from_string(llmnr); | |
385 | if (mode < 0) | |
386 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid LLMNR setting: %s", llmnr); | |
387 | } | |
388 | ||
389 | l->llmnr_support = mode; | |
390 | link_allocate_scopes(l); | |
391 | link_add_rrs(l, false); | |
392 | ||
943ef07c LP |
393 | (void) link_save_user(l); |
394 | ||
d2ec6608 LP |
395 | return sd_bus_reply_method_return(message, NULL); |
396 | } | |
397 | ||
398 | int bus_link_method_set_mdns(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
399 | Link *l = userdata; | |
400 | ResolveSupport mode; | |
401 | const char *mdns; | |
402 | int r; | |
403 | ||
404 | assert(message); | |
405 | assert(l); | |
406 | ||
04b764bf LP |
407 | r = verify_unmanaged_link(l, error); |
408 | if (r < 0) | |
409 | return r; | |
410 | ||
d2ec6608 LP |
411 | r = sd_bus_message_read(message, "s", &mdns); |
412 | if (r < 0) | |
413 | return r; | |
414 | ||
415 | if (isempty(mdns)) | |
416 | mode = RESOLVE_SUPPORT_NO; | |
417 | else { | |
418 | mode = resolve_support_from_string(mdns); | |
419 | if (mode < 0) | |
420 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid MulticastDNS setting: %s", mdns); | |
421 | } | |
422 | ||
423 | l->mdns_support = mode; | |
424 | link_allocate_scopes(l); | |
425 | link_add_rrs(l, false); | |
426 | ||
943ef07c LP |
427 | (void) link_save_user(l); |
428 | ||
d2ec6608 LP |
429 | return sd_bus_reply_method_return(message, NULL); |
430 | } | |
431 | ||
432 | int bus_link_method_set_dnssec(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
433 | Link *l = userdata; | |
434 | const char *dnssec; | |
435 | DnssecMode mode; | |
436 | int r; | |
437 | ||
438 | assert(message); | |
439 | assert(l); | |
440 | ||
04b764bf LP |
441 | r = verify_unmanaged_link(l, error); |
442 | if (r < 0) | |
443 | return r; | |
444 | ||
d2ec6608 LP |
445 | r = sd_bus_message_read(message, "s", &dnssec); |
446 | if (r < 0) | |
447 | return r; | |
448 | ||
449 | if (isempty(dnssec)) | |
450 | mode = _DNSSEC_MODE_INVALID; | |
451 | else { | |
452 | mode = dnssec_mode_from_string(dnssec); | |
453 | if (mode < 0) | |
454 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid DNSSEC setting: %s", dnssec); | |
455 | } | |
456 | ||
457 | link_set_dnssec_mode(l, mode); | |
458 | ||
943ef07c LP |
459 | (void) link_save_user(l); |
460 | ||
d2ec6608 LP |
461 | return sd_bus_reply_method_return(message, NULL); |
462 | } | |
463 | ||
464 | int bus_link_method_set_dnssec_negative_trust_anchors(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
465 | _cleanup_set_free_free_ Set *ns = NULL; | |
c6d92582 | 466 | _cleanup_strv_free_ char **ntas = NULL; |
d2ec6608 LP |
467 | Link *l = userdata; |
468 | int r; | |
469 | char **i; | |
470 | ||
471 | assert(message); | |
472 | assert(l); | |
473 | ||
04b764bf LP |
474 | r = verify_unmanaged_link(l, error); |
475 | if (r < 0) | |
476 | return r; | |
477 | ||
d2ec6608 LP |
478 | r = sd_bus_message_read_strv(message, &ntas); |
479 | if (r < 0) | |
480 | return r; | |
481 | ||
482 | STRV_FOREACH(i, ntas) { | |
483 | r = dns_name_is_valid(*i); | |
484 | if (r < 0) | |
485 | return r; | |
486 | if (r == 0) | |
55abd6da | 487 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid negative trust anchor domain: %s", *i); |
d2ec6608 LP |
488 | } |
489 | ||
490 | ns = set_new(&dns_name_hash_ops); | |
491 | if (!ns) | |
492 | return -ENOMEM; | |
493 | ||
494 | STRV_FOREACH(i, ntas) { | |
495 | r = set_put_strdup(ns, *i); | |
496 | if (r < 0) | |
497 | return r; | |
498 | } | |
499 | ||
500 | set_free_free(l->dnssec_negative_trust_anchors); | |
501 | l->dnssec_negative_trust_anchors = ns; | |
502 | ns = NULL; | |
503 | ||
943ef07c LP |
504 | (void) link_save_user(l); |
505 | ||
d2ec6608 LP |
506 | return sd_bus_reply_method_return(message, NULL); |
507 | } | |
508 | ||
509 | int bus_link_method_revert(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
510 | Link *l = userdata; | |
04b764bf | 511 | int r; |
d2ec6608 LP |
512 | |
513 | assert(message); | |
514 | assert(l); | |
515 | ||
04b764bf LP |
516 | r = verify_unmanaged_link(l, error); |
517 | if (r < 0) | |
518 | return r; | |
519 | ||
d2ec6608 LP |
520 | link_flush_settings(l); |
521 | link_allocate_scopes(l); | |
522 | link_add_rrs(l, false); | |
523 | ||
943ef07c | 524 | (void) link_save_user(l); |
7207052d LP |
525 | (void) manager_write_resolv_conf(l->manager); |
526 | ||
d2ec6608 LP |
527 | return sd_bus_reply_method_return(message, NULL); |
528 | } | |
529 | ||
3abaabda LP |
530 | const sd_bus_vtable link_vtable[] = { |
531 | SD_BUS_VTABLE_START(0), | |
532 | ||
533 | SD_BUS_PROPERTY("ScopesMask", "t", property_get_scopes_mask, 0, 0), | |
534 | SD_BUS_PROPERTY("DNS", "a(iay)", property_get_dns, 0, 0), | |
ad44b56b | 535 | SD_BUS_PROPERTY("Domains", "a(sb)", property_get_domains, 0, 0), |
3abaabda LP |
536 | SD_BUS_PROPERTY("LLMNR", "s", property_get_resolve_support, offsetof(Link, llmnr_support), 0), |
537 | SD_BUS_PROPERTY("MulticastDNS", "s", property_get_resolve_support, offsetof(Link, mdns_support), 0), | |
a3712979 | 538 | SD_BUS_PROPERTY("DNSSEC", "s", property_get_dnssec_mode, 0, 0), |
3abaabda | 539 | SD_BUS_PROPERTY("DNSSECNegativeTrustAnchors", "as", property_get_ntas, 0, 0), |
c2cf6e0b | 540 | SD_BUS_PROPERTY("DNSSECSupported", "b", property_get_dnssec_supported, 0, 0), |
3abaabda | 541 | |
d2ec6608 | 542 | SD_BUS_METHOD("SetDNS", "a(iay)", NULL, bus_link_method_set_dns_servers, 0), |
ee116b54 | 543 | SD_BUS_METHOD("SetDomains", "a(sb)", NULL, bus_link_method_set_domains, 0), |
d2ec6608 LP |
544 | SD_BUS_METHOD("SetLLMNR", "s", NULL, bus_link_method_set_llmnr, 0), |
545 | SD_BUS_METHOD("SetMulticastDNS", "s", NULL, bus_link_method_set_mdns, 0), | |
546 | SD_BUS_METHOD("SetDNSSEC", "s", NULL, bus_link_method_set_dnssec, 0), | |
547 | SD_BUS_METHOD("SetDNSSECNegativeTrustAnchors", "as", NULL, bus_link_method_set_dnssec_negative_trust_anchors, 0), | |
548 | SD_BUS_METHOD("Revert", NULL, NULL, bus_link_method_revert, 0), | |
549 | ||
3abaabda LP |
550 | SD_BUS_VTABLE_END |
551 | }; | |
552 | ||
553 | int link_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) { | |
554 | _cleanup_free_ char *e = NULL; | |
555 | Manager *m = userdata; | |
556 | int ifindex; | |
557 | Link *link; | |
558 | int r; | |
559 | ||
560 | assert(bus); | |
561 | assert(path); | |
562 | assert(interface); | |
563 | assert(found); | |
564 | assert(m); | |
565 | ||
566 | r = sd_bus_path_decode(path, "/org/freedesktop/resolve1/link", &e); | |
567 | if (r <= 0) | |
568 | return 0; | |
569 | ||
570 | r = parse_ifindex(e, &ifindex); | |
571 | if (r < 0) | |
572 | return 0; | |
573 | ||
574 | link = hashmap_get(m->links, INT_TO_PTR(ifindex)); | |
575 | if (!link) | |
576 | return 0; | |
577 | ||
578 | *found = link; | |
579 | return 1; | |
580 | } | |
581 | ||
582 | char *link_bus_path(Link *link) { | |
583 | _cleanup_free_ char *ifindex = NULL; | |
584 | char *p; | |
585 | int r; | |
586 | ||
587 | assert(link); | |
588 | ||
589 | if (asprintf(&ifindex, "%i", link->ifindex) < 0) | |
590 | return NULL; | |
591 | ||
592 | r = sd_bus_path_encode("/org/freedesktop/resolve1/link", ifindex, &p); | |
593 | if (r < 0) | |
594 | return NULL; | |
595 | ||
596 | return p; | |
597 | } | |
598 | ||
599 | int link_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) { | |
600 | _cleanup_strv_free_ char **l = NULL; | |
601 | Manager *m = userdata; | |
602 | Link *link; | |
603 | Iterator i; | |
604 | unsigned c = 0; | |
605 | ||
606 | assert(bus); | |
607 | assert(path); | |
608 | assert(m); | |
609 | assert(nodes); | |
610 | ||
611 | l = new0(char*, hashmap_size(m->links) + 1); | |
612 | if (!l) | |
613 | return -ENOMEM; | |
614 | ||
615 | HASHMAP_FOREACH(link, m->links, i) { | |
616 | char *p; | |
617 | ||
618 | p = link_bus_path(link); | |
619 | if (!p) | |
620 | return -ENOMEM; | |
621 | ||
622 | l[c++] = p; | |
623 | } | |
624 | ||
625 | l[c] = NULL; | |
626 | *nodes = l; | |
627 | l = NULL; | |
628 | ||
629 | return 1; | |
630 | } |