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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 | |
3abaabda LP |
6 | ***/ |
7 | ||
8 | #include "alloc-util.h" | |
04b764bf | 9 | #include "bus-common-errors.h" |
3abaabda LP |
10 | #include "bus-util.h" |
11 | #include "parse-util.h" | |
12 | #include "resolve-util.h" | |
13 | #include "resolved-bus.h" | |
14 | #include "resolved-link-bus.h" | |
7207052d | 15 | #include "resolved-resolv-conf.h" |
3abaabda LP |
16 | #include "strv.h" |
17 | ||
acd380c4 YW |
18 | static BUS_DEFINE_PROPERTY_GET(property_get_dnssec_supported, "b", Link, link_dnssec_supported); |
19 | static BUS_DEFINE_PROPERTY_GET2(property_get_dnssec_mode, "s", Link, link_get_dnssec_mode, dnssec_mode_to_string); | |
3abaabda LP |
20 | |
21 | static int property_get_dns( | |
22 | sd_bus *bus, | |
23 | const char *path, | |
24 | const char *interface, | |
25 | const char *property, | |
26 | sd_bus_message *reply, | |
27 | void *userdata, | |
28 | sd_bus_error *error) { | |
29 | ||
30 | Link *l = userdata; | |
31 | DnsServer *s; | |
32 | int r; | |
33 | ||
34 | assert(reply); | |
35 | assert(l); | |
36 | ||
37 | r = sd_bus_message_open_container(reply, 'a', "(iay)"); | |
38 | if (r < 0) | |
39 | return r; | |
40 | ||
41 | LIST_FOREACH(servers, s, l->dns_servers) { | |
42 | r = bus_dns_server_append(reply, s, false); | |
43 | if (r < 0) | |
44 | return r; | |
45 | } | |
46 | ||
47 | return sd_bus_message_close_container(reply); | |
48 | } | |
49 | ||
b7ac92cd YW |
50 | static int property_get_current_dns_server( |
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 | DnsServer *s; | |
60 | ||
61 | assert(reply); | |
62 | assert(userdata); | |
63 | ||
64 | s = *(DnsServer **) userdata; | |
65 | ||
66 | return bus_dns_server_append(reply, s, false); | |
67 | } | |
68 | ||
3abaabda LP |
69 | static int property_get_domains( |
70 | sd_bus *bus, | |
71 | const char *path, | |
72 | const char *interface, | |
73 | const char *property, | |
74 | sd_bus_message *reply, | |
75 | void *userdata, | |
76 | sd_bus_error *error) { | |
77 | ||
78 | Link *l = userdata; | |
79 | DnsSearchDomain *d; | |
80 | int r; | |
81 | ||
82 | assert(reply); | |
83 | assert(l); | |
84 | ||
ad44b56b | 85 | r = sd_bus_message_open_container(reply, 'a', "(sb)"); |
3abaabda LP |
86 | if (r < 0) |
87 | return r; | |
88 | ||
89 | LIST_FOREACH(domains, d, l->search_domains) { | |
ad44b56b | 90 | r = sd_bus_message_append(reply, "(sb)", d->name, d->route_only); |
3abaabda LP |
91 | if (r < 0) |
92 | return r; | |
93 | } | |
94 | ||
95 | return sd_bus_message_close_container(reply); | |
96 | } | |
97 | ||
98 | static int property_get_scopes_mask( | |
99 | sd_bus *bus, | |
100 | const char *path, | |
101 | const char *interface, | |
102 | const char *property, | |
103 | sd_bus_message *reply, | |
104 | void *userdata, | |
105 | sd_bus_error *error) { | |
106 | ||
107 | Link *l = userdata; | |
108 | uint64_t mask; | |
109 | ||
110 | assert(reply); | |
111 | assert(l); | |
112 | ||
113 | mask = (l->unicast_scope ? SD_RESOLVED_DNS : 0) | | |
114 | (l->llmnr_ipv4_scope ? SD_RESOLVED_LLMNR_IPV4 : 0) | | |
115 | (l->llmnr_ipv6_scope ? SD_RESOLVED_LLMNR_IPV6 : 0) | | |
116 | (l->mdns_ipv4_scope ? SD_RESOLVED_MDNS_IPV4 : 0) | | |
117 | (l->mdns_ipv6_scope ? SD_RESOLVED_MDNS_IPV6 : 0); | |
118 | ||
119 | return sd_bus_message_append(reply, "t", mask); | |
120 | } | |
121 | ||
122 | static int property_get_ntas( | |
123 | sd_bus *bus, | |
124 | const char *path, | |
125 | const char *interface, | |
126 | const char *property, | |
127 | sd_bus_message *reply, | |
128 | void *userdata, | |
129 | sd_bus_error *error) { | |
130 | ||
131 | Link *l = userdata; | |
132 | const char *name; | |
133 | Iterator i; | |
134 | int r; | |
135 | ||
136 | assert(reply); | |
137 | assert(l); | |
138 | ||
139 | r = sd_bus_message_open_container(reply, 'a', "s"); | |
140 | if (r < 0) | |
141 | return r; | |
142 | ||
143 | SET_FOREACH(name, l->dnssec_negative_trust_anchors, i) { | |
144 | r = sd_bus_message_append(reply, "s", name); | |
145 | if (r < 0) | |
146 | return r; | |
147 | } | |
148 | ||
149 | return sd_bus_message_close_container(reply); | |
150 | } | |
151 | ||
04b764bf LP |
152 | static int verify_unmanaged_link(Link *l, sd_bus_error *error) { |
153 | assert(l); | |
154 | ||
155 | if (l->flags & IFF_LOOPBACK) | |
156 | return sd_bus_error_setf(error, BUS_ERROR_LINK_BUSY, "Link %s is loopback device.", l->name); | |
157 | if (l->is_managed) | |
158 | return sd_bus_error_setf(error, BUS_ERROR_LINK_BUSY, "Link %s is managed.", l->name); | |
159 | ||
160 | return 0; | |
161 | } | |
162 | ||
d2ec6608 LP |
163 | int bus_link_method_set_dns_servers(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
164 | _cleanup_free_ struct in_addr_data *dns = NULL; | |
165 | size_t allocated = 0, n = 0; | |
166 | Link *l = userdata; | |
167 | unsigned i; | |
168 | int r; | |
169 | ||
170 | assert(message); | |
171 | assert(l); | |
172 | ||
04b764bf LP |
173 | r = verify_unmanaged_link(l, error); |
174 | if (r < 0) | |
175 | return r; | |
176 | ||
d2ec6608 LP |
177 | r = sd_bus_message_enter_container(message, 'a', "(iay)"); |
178 | if (r < 0) | |
179 | return r; | |
180 | ||
181 | for (;;) { | |
182 | int family; | |
183 | size_t sz; | |
184 | const void *d; | |
185 | ||
186 | assert_cc(sizeof(int) == sizeof(int32_t)); | |
187 | ||
188 | r = sd_bus_message_enter_container(message, 'r', "iay"); | |
189 | if (r < 0) | |
190 | return r; | |
191 | if (r == 0) | |
192 | break; | |
193 | ||
194 | r = sd_bus_message_read(message, "i", &family); | |
195 | if (r < 0) | |
196 | return r; | |
197 | ||
198 | if (!IN_SET(family, AF_INET, AF_INET6)) | |
199 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unknown address family %i", family); | |
200 | ||
201 | r = sd_bus_message_read_array(message, 'y', &d, &sz); | |
202 | if (r < 0) | |
203 | return r; | |
204 | if (sz != FAMILY_ADDRESS_SIZE(family)) | |
205 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid address size"); | |
206 | ||
b30bf55d LP |
207 | if (!dns_server_address_valid(family, d)) |
208 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid DNS server address"); | |
209 | ||
d2ec6608 LP |
210 | r = sd_bus_message_exit_container(message); |
211 | if (r < 0) | |
212 | return r; | |
213 | ||
214 | if (!GREEDY_REALLOC(dns, allocated, n+1)) | |
215 | return -ENOMEM; | |
216 | ||
217 | dns[n].family = family; | |
218 | memcpy(&dns[n].address, d, sz); | |
219 | n++; | |
220 | } | |
221 | ||
222 | r = sd_bus_message_exit_container(message); | |
223 | if (r < 0) | |
224 | return r; | |
225 | ||
226 | dns_server_mark_all(l->dns_servers); | |
227 | ||
228 | for (i = 0; i < n; i++) { | |
229 | DnsServer *s; | |
230 | ||
2817157b | 231 | s = dns_server_find(l->dns_servers, dns[i].family, &dns[i].address, 0); |
d2ec6608 LP |
232 | if (s) |
233 | dns_server_move_back_and_unmark(s); | |
234 | else { | |
2817157b | 235 | r = dns_server_new(l->manager, NULL, DNS_SERVER_LINK, l, dns[i].family, &dns[i].address, 0); |
d2ec6608 LP |
236 | if (r < 0) |
237 | goto clear; | |
238 | } | |
239 | ||
240 | } | |
241 | ||
242 | dns_server_unlink_marked(l->dns_servers); | |
243 | link_allocate_scopes(l); | |
244 | ||
943ef07c | 245 | (void) link_save_user(l); |
7207052d LP |
246 | (void) manager_write_resolv_conf(l->manager); |
247 | ||
d2ec6608 LP |
248 | return sd_bus_reply_method_return(message, NULL); |
249 | ||
250 | clear: | |
251 | dns_server_unlink_all(l->dns_servers); | |
252 | return r; | |
253 | } | |
254 | ||
ee116b54 | 255 | int bus_link_method_set_domains(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
d2ec6608 | 256 | Link *l = userdata; |
d2ec6608 LP |
257 | int r; |
258 | ||
259 | assert(message); | |
260 | assert(l); | |
261 | ||
04b764bf LP |
262 | r = verify_unmanaged_link(l, error); |
263 | if (r < 0) | |
264 | return r; | |
265 | ||
ad44b56b | 266 | r = sd_bus_message_enter_container(message, 'a', "(sb)"); |
d2ec6608 LP |
267 | if (r < 0) |
268 | return r; | |
269 | ||
ad44b56b LP |
270 | for (;;) { |
271 | const char *name; | |
272 | int route_only; | |
d2ec6608 | 273 | |
ad44b56b | 274 | r = sd_bus_message_read(message, "(sb)", &name, &route_only); |
d2ec6608 LP |
275 | if (r < 0) |
276 | return r; | |
277 | if (r == 0) | |
ad44b56b LP |
278 | break; |
279 | ||
280 | r = dns_name_is_valid(name); | |
281 | if (r < 0) | |
282 | return r; | |
283 | if (r == 0) | |
284 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid search domain %s", name); | |
285 | if (!route_only && dns_name_is_root(name)) | |
d2ec6608 LP |
286 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Root domain is not suitable as search domain"); |
287 | } | |
288 | ||
289 | dns_search_domain_mark_all(l->search_domains); | |
290 | ||
ad44b56b LP |
291 | r = sd_bus_message_rewind(message, false); |
292 | if (r < 0) | |
293 | return r; | |
294 | ||
295 | for (;;) { | |
d2ec6608 | 296 | DnsSearchDomain *d; |
ad44b56b LP |
297 | const char *name; |
298 | int route_only; | |
d2ec6608 | 299 | |
ad44b56b LP |
300 | r = sd_bus_message_read(message, "(sb)", &name, &route_only); |
301 | if (r < 0) | |
302 | goto clear; | |
303 | if (r == 0) | |
304 | break; | |
305 | ||
306 | r = dns_search_domain_find(l->search_domains, name, &d); | |
d2ec6608 LP |
307 | if (r < 0) |
308 | goto clear; | |
309 | ||
310 | if (r > 0) | |
311 | dns_search_domain_move_back_and_unmark(d); | |
312 | else { | |
ad44b56b | 313 | r = dns_search_domain_new(l->manager, &d, DNS_SEARCH_DOMAIN_LINK, l, name); |
d2ec6608 LP |
314 | if (r < 0) |
315 | goto clear; | |
316 | } | |
ad44b56b LP |
317 | |
318 | d->route_only = route_only; | |
d2ec6608 LP |
319 | } |
320 | ||
ad44b56b LP |
321 | r = sd_bus_message_exit_container(message); |
322 | if (r < 0) | |
323 | goto clear; | |
324 | ||
d2ec6608 | 325 | dns_search_domain_unlink_marked(l->search_domains); |
7207052d | 326 | |
943ef07c | 327 | (void) link_save_user(l); |
7207052d LP |
328 | (void) manager_write_resolv_conf(l->manager); |
329 | ||
d2ec6608 LP |
330 | return sd_bus_reply_method_return(message, NULL); |
331 | ||
332 | clear: | |
333 | dns_search_domain_unlink_all(l->search_domains); | |
334 | return r; | |
335 | } | |
336 | ||
337 | int bus_link_method_set_llmnr(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
338 | Link *l = userdata; | |
339 | ResolveSupport mode; | |
340 | const char *llmnr; | |
341 | int r; | |
342 | ||
343 | assert(message); | |
344 | assert(l); | |
345 | ||
04b764bf LP |
346 | r = verify_unmanaged_link(l, error); |
347 | if (r < 0) | |
348 | return r; | |
349 | ||
d2ec6608 LP |
350 | r = sd_bus_message_read(message, "s", &llmnr); |
351 | if (r < 0) | |
352 | return r; | |
353 | ||
354 | if (isempty(llmnr)) | |
355 | mode = RESOLVE_SUPPORT_YES; | |
356 | else { | |
357 | mode = resolve_support_from_string(llmnr); | |
358 | if (mode < 0) | |
359 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid LLMNR setting: %s", llmnr); | |
360 | } | |
361 | ||
362 | l->llmnr_support = mode; | |
363 | link_allocate_scopes(l); | |
364 | link_add_rrs(l, false); | |
365 | ||
943ef07c LP |
366 | (void) link_save_user(l); |
367 | ||
d2ec6608 LP |
368 | return sd_bus_reply_method_return(message, NULL); |
369 | } | |
370 | ||
371 | int bus_link_method_set_mdns(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
372 | Link *l = userdata; | |
373 | ResolveSupport mode; | |
374 | const char *mdns; | |
375 | int r; | |
376 | ||
377 | assert(message); | |
378 | assert(l); | |
379 | ||
04b764bf LP |
380 | r = verify_unmanaged_link(l, error); |
381 | if (r < 0) | |
382 | return r; | |
383 | ||
d2ec6608 LP |
384 | r = sd_bus_message_read(message, "s", &mdns); |
385 | if (r < 0) | |
386 | return r; | |
387 | ||
388 | if (isempty(mdns)) | |
389 | mode = RESOLVE_SUPPORT_NO; | |
390 | else { | |
391 | mode = resolve_support_from_string(mdns); | |
392 | if (mode < 0) | |
393 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid MulticastDNS setting: %s", mdns); | |
394 | } | |
395 | ||
396 | l->mdns_support = mode; | |
397 | link_allocate_scopes(l); | |
398 | link_add_rrs(l, false); | |
399 | ||
943ef07c LP |
400 | (void) link_save_user(l); |
401 | ||
d2ec6608 LP |
402 | return sd_bus_reply_method_return(message, NULL); |
403 | } | |
404 | ||
405 | int bus_link_method_set_dnssec(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
406 | Link *l = userdata; | |
407 | const char *dnssec; | |
408 | DnssecMode mode; | |
409 | int r; | |
410 | ||
411 | assert(message); | |
412 | assert(l); | |
413 | ||
04b764bf LP |
414 | r = verify_unmanaged_link(l, error); |
415 | if (r < 0) | |
416 | return r; | |
417 | ||
d2ec6608 LP |
418 | r = sd_bus_message_read(message, "s", &dnssec); |
419 | if (r < 0) | |
420 | return r; | |
421 | ||
422 | if (isempty(dnssec)) | |
423 | mode = _DNSSEC_MODE_INVALID; | |
424 | else { | |
425 | mode = dnssec_mode_from_string(dnssec); | |
426 | if (mode < 0) | |
427 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid DNSSEC setting: %s", dnssec); | |
428 | } | |
429 | ||
430 | link_set_dnssec_mode(l, mode); | |
431 | ||
943ef07c LP |
432 | (void) link_save_user(l); |
433 | ||
d2ec6608 LP |
434 | return sd_bus_reply_method_return(message, NULL); |
435 | } | |
436 | ||
437 | int bus_link_method_set_dnssec_negative_trust_anchors(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
438 | _cleanup_set_free_free_ Set *ns = NULL; | |
c6d92582 | 439 | _cleanup_strv_free_ char **ntas = NULL; |
d2ec6608 LP |
440 | Link *l = userdata; |
441 | int r; | |
442 | char **i; | |
443 | ||
444 | assert(message); | |
445 | assert(l); | |
446 | ||
04b764bf LP |
447 | r = verify_unmanaged_link(l, error); |
448 | if (r < 0) | |
449 | return r; | |
450 | ||
d2ec6608 LP |
451 | r = sd_bus_message_read_strv(message, &ntas); |
452 | if (r < 0) | |
453 | return r; | |
454 | ||
455 | STRV_FOREACH(i, ntas) { | |
456 | r = dns_name_is_valid(*i); | |
457 | if (r < 0) | |
458 | return r; | |
459 | if (r == 0) | |
55abd6da | 460 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid negative trust anchor domain: %s", *i); |
d2ec6608 LP |
461 | } |
462 | ||
463 | ns = set_new(&dns_name_hash_ops); | |
464 | if (!ns) | |
465 | return -ENOMEM; | |
466 | ||
467 | STRV_FOREACH(i, ntas) { | |
468 | r = set_put_strdup(ns, *i); | |
469 | if (r < 0) | |
470 | return r; | |
471 | } | |
472 | ||
473 | set_free_free(l->dnssec_negative_trust_anchors); | |
ae2a15bc | 474 | l->dnssec_negative_trust_anchors = TAKE_PTR(ns); |
d2ec6608 | 475 | |
943ef07c LP |
476 | (void) link_save_user(l); |
477 | ||
d2ec6608 LP |
478 | return sd_bus_reply_method_return(message, NULL); |
479 | } | |
480 | ||
481 | int bus_link_method_revert(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
482 | Link *l = userdata; | |
04b764bf | 483 | int r; |
d2ec6608 LP |
484 | |
485 | assert(message); | |
486 | assert(l); | |
487 | ||
04b764bf LP |
488 | r = verify_unmanaged_link(l, error); |
489 | if (r < 0) | |
490 | return r; | |
491 | ||
d2ec6608 LP |
492 | link_flush_settings(l); |
493 | link_allocate_scopes(l); | |
494 | link_add_rrs(l, false); | |
495 | ||
943ef07c | 496 | (void) link_save_user(l); |
7207052d LP |
497 | (void) manager_write_resolv_conf(l->manager); |
498 | ||
d2ec6608 LP |
499 | return sd_bus_reply_method_return(message, NULL); |
500 | } | |
501 | ||
3abaabda LP |
502 | const sd_bus_vtable link_vtable[] = { |
503 | SD_BUS_VTABLE_START(0), | |
504 | ||
505 | SD_BUS_PROPERTY("ScopesMask", "t", property_get_scopes_mask, 0, 0), | |
506 | SD_BUS_PROPERTY("DNS", "a(iay)", property_get_dns, 0, 0), | |
b7ac92cd | 507 | SD_BUS_PROPERTY("CurrentDNSServer", "(iay)", property_get_current_dns_server, offsetof(Link, current_dns_server), 0), |
ad44b56b | 508 | SD_BUS_PROPERTY("Domains", "a(sb)", property_get_domains, 0, 0), |
bf4e5c4c YW |
509 | SD_BUS_PROPERTY("LLMNR", "s", bus_property_get_resolve_support, offsetof(Link, llmnr_support), 0), |
510 | SD_BUS_PROPERTY("MulticastDNS", "s", bus_property_get_resolve_support, offsetof(Link, mdns_support), 0), | |
a3712979 | 511 | SD_BUS_PROPERTY("DNSSEC", "s", property_get_dnssec_mode, 0, 0), |
3abaabda | 512 | SD_BUS_PROPERTY("DNSSECNegativeTrustAnchors", "as", property_get_ntas, 0, 0), |
c2cf6e0b | 513 | SD_BUS_PROPERTY("DNSSECSupported", "b", property_get_dnssec_supported, 0, 0), |
3abaabda | 514 | |
d2ec6608 | 515 | SD_BUS_METHOD("SetDNS", "a(iay)", NULL, bus_link_method_set_dns_servers, 0), |
ee116b54 | 516 | SD_BUS_METHOD("SetDomains", "a(sb)", NULL, bus_link_method_set_domains, 0), |
d2ec6608 LP |
517 | SD_BUS_METHOD("SetLLMNR", "s", NULL, bus_link_method_set_llmnr, 0), |
518 | SD_BUS_METHOD("SetMulticastDNS", "s", NULL, bus_link_method_set_mdns, 0), | |
519 | SD_BUS_METHOD("SetDNSSEC", "s", NULL, bus_link_method_set_dnssec, 0), | |
520 | SD_BUS_METHOD("SetDNSSECNegativeTrustAnchors", "as", NULL, bus_link_method_set_dnssec_negative_trust_anchors, 0), | |
521 | SD_BUS_METHOD("Revert", NULL, NULL, bus_link_method_revert, 0), | |
522 | ||
3abaabda LP |
523 | SD_BUS_VTABLE_END |
524 | }; | |
525 | ||
526 | int link_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) { | |
527 | _cleanup_free_ char *e = NULL; | |
528 | Manager *m = userdata; | |
529 | int ifindex; | |
530 | Link *link; | |
531 | int r; | |
532 | ||
533 | assert(bus); | |
534 | assert(path); | |
535 | assert(interface); | |
536 | assert(found); | |
537 | assert(m); | |
538 | ||
539 | r = sd_bus_path_decode(path, "/org/freedesktop/resolve1/link", &e); | |
540 | if (r <= 0) | |
541 | return 0; | |
542 | ||
543 | r = parse_ifindex(e, &ifindex); | |
544 | if (r < 0) | |
545 | return 0; | |
546 | ||
547 | link = hashmap_get(m->links, INT_TO_PTR(ifindex)); | |
548 | if (!link) | |
549 | return 0; | |
550 | ||
551 | *found = link; | |
552 | return 1; | |
553 | } | |
554 | ||
555 | char *link_bus_path(Link *link) { | |
556 | _cleanup_free_ char *ifindex = NULL; | |
557 | char *p; | |
558 | int r; | |
559 | ||
560 | assert(link); | |
561 | ||
562 | if (asprintf(&ifindex, "%i", link->ifindex) < 0) | |
563 | return NULL; | |
564 | ||
565 | r = sd_bus_path_encode("/org/freedesktop/resolve1/link", ifindex, &p); | |
566 | if (r < 0) | |
567 | return NULL; | |
568 | ||
569 | return p; | |
570 | } | |
571 | ||
572 | int link_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) { | |
573 | _cleanup_strv_free_ char **l = NULL; | |
574 | Manager *m = userdata; | |
575 | Link *link; | |
576 | Iterator i; | |
577 | unsigned c = 0; | |
578 | ||
579 | assert(bus); | |
580 | assert(path); | |
581 | assert(m); | |
582 | assert(nodes); | |
583 | ||
584 | l = new0(char*, hashmap_size(m->links) + 1); | |
585 | if (!l) | |
586 | return -ENOMEM; | |
587 | ||
588 | HASHMAP_FOREACH(link, m->links, i) { | |
589 | char *p; | |
590 | ||
591 | p = link_bus_path(link); | |
592 | if (!p) | |
593 | return -ENOMEM; | |
594 | ||
595 | l[c++] = p; | |
596 | } | |
597 | ||
598 | l[c] = NULL; | |
ae2a15bc | 599 | *nodes = TAKE_PTR(l); |
3abaabda LP |
600 | |
601 | return 1; | |
602 | } |