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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
3abaabda | 2 | |
6ff79f76 | 3 | #include <net/if.h> |
52aaef0f ZJS |
4 | #include <netinet/in.h> |
5 | #include <sys/capability.h> | |
6ff79f76 | 6 | |
3abaabda | 7 | #include "alloc-util.h" |
04b764bf | 8 | #include "bus-common-errors.h" |
40af3d02 | 9 | #include "bus-get-properties.h" |
10d46204 | 10 | #include "bus-message-util.h" |
269e4d2d | 11 | #include "bus-polkit.h" |
3abaabda LP |
12 | #include "parse-util.h" |
13 | #include "resolve-util.h" | |
14 | #include "resolved-bus.h" | |
15 | #include "resolved-link-bus.h" | |
7207052d | 16 | #include "resolved-resolv-conf.h" |
95ce1ba8 | 17 | #include "socket-netlink.h" |
0a6c0745 | 18 | #include "stdio-util.h" |
3abaabda | 19 | #include "strv.h" |
52aaef0f | 20 | #include "user-util.h" |
3abaabda | 21 | |
acd380c4 YW |
22 | static BUS_DEFINE_PROPERTY_GET(property_get_dnssec_supported, "b", Link, link_dnssec_supported); |
23 | static BUS_DEFINE_PROPERTY_GET2(property_get_dnssec_mode, "s", Link, link_get_dnssec_mode, dnssec_mode_to_string); | |
3abaabda | 24 | |
c9299be2 | 25 | static int property_get_dns_over_tls_mode( |
d050561a IT |
26 | sd_bus *bus, |
27 | const char *path, | |
28 | const char *interface, | |
29 | const char *property, | |
30 | sd_bus_message *reply, | |
31 | void *userdata, | |
32 | sd_bus_error *error) { | |
33 | ||
34 | Link *l = userdata; | |
35 | ||
36 | assert(reply); | |
37 | assert(l); | |
38 | ||
c9299be2 | 39 | return sd_bus_message_append(reply, "s", dns_over_tls_mode_to_string(link_get_dns_over_tls_mode(l))); |
d050561a IT |
40 | } |
41 | ||
8e56ea4c | 42 | static int property_get_dns_internal( |
3abaabda LP |
43 | sd_bus *bus, |
44 | const char *path, | |
45 | const char *interface, | |
46 | const char *property, | |
47 | sd_bus_message *reply, | |
48 | void *userdata, | |
8e56ea4c YW |
49 | sd_bus_error *error, |
50 | bool extended) { | |
3abaabda LP |
51 | |
52 | Link *l = userdata; | |
53 | DnsServer *s; | |
54 | int r; | |
55 | ||
56 | assert(reply); | |
57 | assert(l); | |
58 | ||
8e56ea4c | 59 | r = sd_bus_message_open_container(reply, 'a', extended ? "(iayqs)" : "(iay)"); |
3abaabda LP |
60 | if (r < 0) |
61 | return r; | |
62 | ||
63 | LIST_FOREACH(servers, s, l->dns_servers) { | |
8e56ea4c | 64 | r = bus_dns_server_append(reply, s, false, extended); |
3abaabda LP |
65 | if (r < 0) |
66 | return r; | |
67 | } | |
68 | ||
69 | return sd_bus_message_close_container(reply); | |
70 | } | |
71 | ||
8e56ea4c YW |
72 | static int property_get_dns( |
73 | sd_bus *bus, | |
74 | const char *path, | |
75 | const char *interface, | |
76 | const char *property, | |
77 | sd_bus_message *reply, | |
78 | void *userdata, | |
79 | sd_bus_error *error) { | |
80 | return property_get_dns_internal(bus, path, interface, property, reply, userdata, error, false); | |
81 | } | |
82 | ||
83 | static int property_get_dns_ex( | |
b7ac92cd YW |
84 | sd_bus *bus, |
85 | const char *path, | |
86 | const char *interface, | |
87 | const char *property, | |
88 | sd_bus_message *reply, | |
89 | void *userdata, | |
90 | sd_bus_error *error) { | |
8e56ea4c YW |
91 | return property_get_dns_internal(bus, path, interface, property, reply, userdata, error, true); |
92 | } | |
93 | ||
94 | static int property_get_current_dns_server_internal( | |
95 | sd_bus *bus, | |
96 | const char *path, | |
97 | const char *interface, | |
98 | const char *property, | |
99 | sd_bus_message *reply, | |
100 | void *userdata, | |
101 | sd_bus_error *error, | |
102 | bool extended) { | |
b7ac92cd YW |
103 | |
104 | DnsServer *s; | |
105 | ||
106 | assert(reply); | |
107 | assert(userdata); | |
108 | ||
109 | s = *(DnsServer **) userdata; | |
110 | ||
8e56ea4c YW |
111 | return bus_dns_server_append(reply, s, false, extended); |
112 | } | |
113 | ||
114 | static int property_get_current_dns_server( | |
115 | sd_bus *bus, | |
116 | const char *path, | |
117 | const char *interface, | |
118 | const char *property, | |
119 | sd_bus_message *reply, | |
120 | void *userdata, | |
121 | sd_bus_error *error) { | |
122 | return property_get_current_dns_server_internal(bus, path, interface, property, reply, userdata, error, false); | |
123 | } | |
124 | ||
125 | static int property_get_current_dns_server_ex( | |
126 | sd_bus *bus, | |
127 | const char *path, | |
128 | const char *interface, | |
129 | const char *property, | |
130 | sd_bus_message *reply, | |
131 | void *userdata, | |
132 | sd_bus_error *error) { | |
133 | return property_get_current_dns_server_internal(bus, path, interface, property, reply, userdata, error, true); | |
b7ac92cd YW |
134 | } |
135 | ||
3abaabda LP |
136 | static int property_get_domains( |
137 | sd_bus *bus, | |
138 | const char *path, | |
139 | const char *interface, | |
140 | const char *property, | |
141 | sd_bus_message *reply, | |
142 | void *userdata, | |
143 | sd_bus_error *error) { | |
144 | ||
145 | Link *l = userdata; | |
146 | DnsSearchDomain *d; | |
147 | int r; | |
148 | ||
149 | assert(reply); | |
150 | assert(l); | |
151 | ||
ad44b56b | 152 | r = sd_bus_message_open_container(reply, 'a', "(sb)"); |
3abaabda LP |
153 | if (r < 0) |
154 | return r; | |
155 | ||
156 | LIST_FOREACH(domains, d, l->search_domains) { | |
ad44b56b | 157 | r = sd_bus_message_append(reply, "(sb)", d->name, d->route_only); |
3abaabda LP |
158 | if (r < 0) |
159 | return r; | |
160 | } | |
161 | ||
162 | return sd_bus_message_close_container(reply); | |
163 | } | |
164 | ||
77673795 LP |
165 | static int property_get_default_route( |
166 | sd_bus *bus, | |
167 | const char *path, | |
168 | const char *interface, | |
169 | const char *property, | |
170 | sd_bus_message *reply, | |
171 | void *userdata, | |
172 | sd_bus_error *error) { | |
173 | ||
174 | Link *l = userdata; | |
175 | ||
176 | assert(reply); | |
177 | assert(l); | |
178 | ||
179 | /* Return what is configured, if there's something configured */ | |
180 | if (l->default_route >= 0) | |
181 | return sd_bus_message_append(reply, "b", l->default_route); | |
182 | ||
183 | /* Otherwise report what is in effect */ | |
184 | if (l->unicast_scope) | |
185 | return sd_bus_message_append(reply, "b", dns_scope_is_default_route(l->unicast_scope)); | |
186 | ||
187 | return sd_bus_message_append(reply, "b", false); | |
188 | } | |
189 | ||
3abaabda LP |
190 | static int property_get_scopes_mask( |
191 | sd_bus *bus, | |
192 | const char *path, | |
193 | const char *interface, | |
194 | const char *property, | |
195 | sd_bus_message *reply, | |
196 | void *userdata, | |
197 | sd_bus_error *error) { | |
198 | ||
199 | Link *l = userdata; | |
200 | uint64_t mask; | |
201 | ||
202 | assert(reply); | |
203 | assert(l); | |
204 | ||
205 | mask = (l->unicast_scope ? SD_RESOLVED_DNS : 0) | | |
206 | (l->llmnr_ipv4_scope ? SD_RESOLVED_LLMNR_IPV4 : 0) | | |
207 | (l->llmnr_ipv6_scope ? SD_RESOLVED_LLMNR_IPV6 : 0) | | |
208 | (l->mdns_ipv4_scope ? SD_RESOLVED_MDNS_IPV4 : 0) | | |
209 | (l->mdns_ipv6_scope ? SD_RESOLVED_MDNS_IPV6 : 0); | |
210 | ||
211 | return sd_bus_message_append(reply, "t", mask); | |
212 | } | |
213 | ||
214 | static int property_get_ntas( | |
215 | sd_bus *bus, | |
216 | const char *path, | |
217 | const char *interface, | |
218 | const char *property, | |
219 | sd_bus_message *reply, | |
220 | void *userdata, | |
221 | sd_bus_error *error) { | |
222 | ||
223 | Link *l = userdata; | |
224 | const char *name; | |
225 | Iterator i; | |
226 | int r; | |
227 | ||
228 | assert(reply); | |
229 | assert(l); | |
230 | ||
231 | r = sd_bus_message_open_container(reply, 'a', "s"); | |
232 | if (r < 0) | |
233 | return r; | |
234 | ||
235 | SET_FOREACH(name, l->dnssec_negative_trust_anchors, i) { | |
236 | r = sd_bus_message_append(reply, "s", name); | |
237 | if (r < 0) | |
238 | return r; | |
239 | } | |
240 | ||
241 | return sd_bus_message_close_container(reply); | |
242 | } | |
243 | ||
04b764bf LP |
244 | static int verify_unmanaged_link(Link *l, sd_bus_error *error) { |
245 | assert(l); | |
246 | ||
247 | if (l->flags & IFF_LOOPBACK) | |
6ff79f76 | 248 | return sd_bus_error_setf(error, BUS_ERROR_LINK_BUSY, "Link %s is loopback device.", l->ifname); |
04b764bf | 249 | if (l->is_managed) |
6ff79f76 | 250 | return sd_bus_error_setf(error, BUS_ERROR_LINK_BUSY, "Link %s is managed.", l->ifname); |
04b764bf LP |
251 | |
252 | return 0; | |
253 | } | |
254 | ||
95ce1ba8 | 255 | static int bus_link_method_set_dns_servers_internal(sd_bus_message *message, void *userdata, sd_bus_error *error, bool extended) { |
10d46204 | 256 | struct in_addr_full **dns; |
d2ec6608 | 257 | Link *l = userdata; |
10d46204 | 258 | size_t n; |
d2ec6608 LP |
259 | int r; |
260 | ||
261 | assert(message); | |
262 | assert(l); | |
263 | ||
04b764bf LP |
264 | r = verify_unmanaged_link(l, error); |
265 | if (r < 0) | |
266 | return r; | |
267 | ||
10d46204 | 268 | r = bus_message_read_dns_servers(message, error, extended, &dns, &n); |
d2ec6608 LP |
269 | if (r < 0) |
270 | return r; | |
271 | ||
52aaef0f ZJS |
272 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
273 | "org.freedesktop.resolve1.set-dns-servers", | |
274 | NULL, true, UID_INVALID, | |
275 | &l->manager->polkit_registry, error); | |
276 | if (r < 0) | |
95ce1ba8 YW |
277 | goto finalize; |
278 | if (r == 0) { | |
279 | r = 1; /* Polkit will call us back */ | |
280 | goto finalize; | |
281 | } | |
52aaef0f | 282 | |
d2ec6608 LP |
283 | dns_server_mark_all(l->dns_servers); |
284 | ||
95ce1ba8 | 285 | for (size_t i = 0; i < n; i++) { |
d2ec6608 LP |
286 | DnsServer *s; |
287 | ||
95ce1ba8 | 288 | s = dns_server_find(l->dns_servers, dns[i]->family, &dns[i]->address, dns[i]->port, 0, dns[i]->server_name); |
d2ec6608 LP |
289 | if (s) |
290 | dns_server_move_back_and_unmark(s); | |
291 | else { | |
95ce1ba8 YW |
292 | r = dns_server_new(l->manager, NULL, DNS_SERVER_LINK, l, dns[i]->family, &dns[i]->address, dns[i]->port, 0, dns[i]->server_name); |
293 | if (r < 0) { | |
294 | dns_server_unlink_all(l->dns_servers); | |
295 | goto finalize; | |
296 | } | |
d2ec6608 LP |
297 | } |
298 | ||
299 | } | |
300 | ||
301 | dns_server_unlink_marked(l->dns_servers); | |
302 | link_allocate_scopes(l); | |
303 | ||
943ef07c | 304 | (void) link_save_user(l); |
7207052d | 305 | (void) manager_write_resolv_conf(l->manager); |
5f3340ca | 306 | (void) manager_send_changed(l->manager, "DNS"); |
7207052d | 307 | |
95ce1ba8 YW |
308 | r = sd_bus_reply_method_return(message, NULL); |
309 | ||
310 | finalize: | |
311 | for (size_t i = 0; i < n; i++) | |
312 | in_addr_full_free(dns[i]); | |
313 | free(dns); | |
d2ec6608 | 314 | |
d2ec6608 LP |
315 | return r; |
316 | } | |
317 | ||
95ce1ba8 YW |
318 | int bus_link_method_set_dns_servers(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
319 | return bus_link_method_set_dns_servers_internal(message, userdata, error, false); | |
320 | } | |
321 | ||
322 | int bus_link_method_set_dns_servers_ex(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
323 | return bus_link_method_set_dns_servers_internal(message, userdata, error, true); | |
324 | } | |
325 | ||
ee116b54 | 326 | int bus_link_method_set_domains(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
d2ec6608 | 327 | Link *l = userdata; |
d2ec6608 LP |
328 | int r; |
329 | ||
330 | assert(message); | |
331 | assert(l); | |
332 | ||
04b764bf LP |
333 | r = verify_unmanaged_link(l, error); |
334 | if (r < 0) | |
335 | return r; | |
336 | ||
ad44b56b | 337 | r = sd_bus_message_enter_container(message, 'a', "(sb)"); |
d2ec6608 LP |
338 | if (r < 0) |
339 | return r; | |
340 | ||
ad44b56b LP |
341 | for (;;) { |
342 | const char *name; | |
343 | int route_only; | |
d2ec6608 | 344 | |
ad44b56b | 345 | r = sd_bus_message_read(message, "(sb)", &name, &route_only); |
d2ec6608 LP |
346 | if (r < 0) |
347 | return r; | |
348 | if (r == 0) | |
ad44b56b LP |
349 | break; |
350 | ||
351 | r = dns_name_is_valid(name); | |
352 | if (r < 0) | |
353 | return r; | |
354 | if (r == 0) | |
355 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid search domain %s", name); | |
356 | if (!route_only && dns_name_is_root(name)) | |
d2ec6608 LP |
357 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Root domain is not suitable as search domain"); |
358 | } | |
359 | ||
ad44b56b LP |
360 | r = sd_bus_message_rewind(message, false); |
361 | if (r < 0) | |
362 | return r; | |
363 | ||
52aaef0f ZJS |
364 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
365 | "org.freedesktop.resolve1.set-domains", | |
366 | NULL, true, UID_INVALID, | |
367 | &l->manager->polkit_registry, error); | |
368 | if (r < 0) | |
369 | return r; | |
370 | if (r == 0) | |
371 | return 1; /* Polkit will call us back */ | |
372 | ||
373 | dns_search_domain_mark_all(l->search_domains); | |
374 | ||
ad44b56b | 375 | for (;;) { |
d2ec6608 | 376 | DnsSearchDomain *d; |
ad44b56b LP |
377 | const char *name; |
378 | int route_only; | |
d2ec6608 | 379 | |
ad44b56b LP |
380 | r = sd_bus_message_read(message, "(sb)", &name, &route_only); |
381 | if (r < 0) | |
382 | goto clear; | |
383 | if (r == 0) | |
384 | break; | |
385 | ||
386 | r = dns_search_domain_find(l->search_domains, name, &d); | |
d2ec6608 LP |
387 | if (r < 0) |
388 | goto clear; | |
389 | ||
390 | if (r > 0) | |
391 | dns_search_domain_move_back_and_unmark(d); | |
392 | else { | |
ad44b56b | 393 | r = dns_search_domain_new(l->manager, &d, DNS_SEARCH_DOMAIN_LINK, l, name); |
d2ec6608 LP |
394 | if (r < 0) |
395 | goto clear; | |
396 | } | |
ad44b56b LP |
397 | |
398 | d->route_only = route_only; | |
d2ec6608 LP |
399 | } |
400 | ||
ad44b56b LP |
401 | r = sd_bus_message_exit_container(message); |
402 | if (r < 0) | |
403 | goto clear; | |
404 | ||
d2ec6608 | 405 | dns_search_domain_unlink_marked(l->search_domains); |
7207052d | 406 | |
943ef07c | 407 | (void) link_save_user(l); |
7207052d LP |
408 | (void) manager_write_resolv_conf(l->manager); |
409 | ||
d2ec6608 LP |
410 | return sd_bus_reply_method_return(message, NULL); |
411 | ||
412 | clear: | |
413 | dns_search_domain_unlink_all(l->search_domains); | |
414 | return r; | |
415 | } | |
416 | ||
77673795 LP |
417 | int bus_link_method_set_default_route(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
418 | Link *l = userdata; | |
419 | int r, b; | |
420 | ||
421 | assert(message); | |
422 | assert(l); | |
423 | ||
424 | r = verify_unmanaged_link(l, error); | |
425 | if (r < 0) | |
426 | return r; | |
427 | ||
428 | r = sd_bus_message_read(message, "b", &b); | |
429 | if (r < 0) | |
430 | return r; | |
431 | ||
52aaef0f ZJS |
432 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
433 | "org.freedesktop.resolve1.set-default-route", | |
434 | NULL, true, UID_INVALID, | |
435 | &l->manager->polkit_registry, error); | |
436 | if (r < 0) | |
437 | return r; | |
438 | if (r == 0) | |
439 | return 1; /* Polkit will call us back */ | |
440 | ||
77673795 LP |
441 | if (l->default_route != b) { |
442 | l->default_route = b; | |
443 | ||
444 | (void) link_save_user(l); | |
445 | (void) manager_write_resolv_conf(l->manager); | |
446 | } | |
447 | ||
448 | return sd_bus_reply_method_return(message, NULL); | |
449 | } | |
450 | ||
d2ec6608 LP |
451 | int bus_link_method_set_llmnr(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
452 | Link *l = userdata; | |
453 | ResolveSupport mode; | |
454 | const char *llmnr; | |
455 | int r; | |
456 | ||
457 | assert(message); | |
458 | assert(l); | |
459 | ||
04b764bf LP |
460 | r = verify_unmanaged_link(l, error); |
461 | if (r < 0) | |
462 | return r; | |
463 | ||
d2ec6608 LP |
464 | r = sd_bus_message_read(message, "s", &llmnr); |
465 | if (r < 0) | |
466 | return r; | |
467 | ||
468 | if (isempty(llmnr)) | |
469 | mode = RESOLVE_SUPPORT_YES; | |
470 | else { | |
471 | mode = resolve_support_from_string(llmnr); | |
472 | if (mode < 0) | |
473 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid LLMNR setting: %s", llmnr); | |
474 | } | |
475 | ||
52aaef0f ZJS |
476 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
477 | "org.freedesktop.resolve1.set-llmnr", | |
478 | NULL, true, UID_INVALID, | |
479 | &l->manager->polkit_registry, error); | |
480 | if (r < 0) | |
481 | return r; | |
482 | if (r == 0) | |
483 | return 1; /* Polkit will call us back */ | |
484 | ||
d2ec6608 LP |
485 | l->llmnr_support = mode; |
486 | link_allocate_scopes(l); | |
487 | link_add_rrs(l, false); | |
488 | ||
943ef07c LP |
489 | (void) link_save_user(l); |
490 | ||
d2ec6608 LP |
491 | return sd_bus_reply_method_return(message, NULL); |
492 | } | |
493 | ||
494 | int bus_link_method_set_mdns(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
495 | Link *l = userdata; | |
496 | ResolveSupport mode; | |
497 | const char *mdns; | |
498 | int r; | |
499 | ||
500 | assert(message); | |
501 | assert(l); | |
502 | ||
04b764bf LP |
503 | r = verify_unmanaged_link(l, error); |
504 | if (r < 0) | |
505 | return r; | |
506 | ||
d2ec6608 LP |
507 | r = sd_bus_message_read(message, "s", &mdns); |
508 | if (r < 0) | |
509 | return r; | |
510 | ||
511 | if (isempty(mdns)) | |
512 | mode = RESOLVE_SUPPORT_NO; | |
513 | else { | |
514 | mode = resolve_support_from_string(mdns); | |
515 | if (mode < 0) | |
516 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid MulticastDNS setting: %s", mdns); | |
517 | } | |
518 | ||
52aaef0f ZJS |
519 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
520 | "org.freedesktop.resolve1.set-mdns", | |
521 | NULL, true, UID_INVALID, | |
522 | &l->manager->polkit_registry, error); | |
523 | if (r < 0) | |
524 | return r; | |
525 | if (r == 0) | |
526 | return 1; /* Polkit will call us back */ | |
527 | ||
d2ec6608 LP |
528 | l->mdns_support = mode; |
529 | link_allocate_scopes(l); | |
530 | link_add_rrs(l, false); | |
531 | ||
943ef07c LP |
532 | (void) link_save_user(l); |
533 | ||
d2ec6608 LP |
534 | return sd_bus_reply_method_return(message, NULL); |
535 | } | |
536 | ||
c9299be2 | 537 | int bus_link_method_set_dns_over_tls(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
d050561a | 538 | Link *l = userdata; |
c9299be2 IT |
539 | const char *dns_over_tls; |
540 | DnsOverTlsMode mode; | |
d050561a IT |
541 | int r; |
542 | ||
543 | assert(message); | |
544 | assert(l); | |
545 | ||
546 | r = verify_unmanaged_link(l, error); | |
547 | if (r < 0) | |
548 | return r; | |
549 | ||
c9299be2 | 550 | r = sd_bus_message_read(message, "s", &dns_over_tls); |
d050561a IT |
551 | if (r < 0) |
552 | return r; | |
553 | ||
c9299be2 IT |
554 | if (isempty(dns_over_tls)) |
555 | mode = _DNS_OVER_TLS_MODE_INVALID; | |
d050561a | 556 | else { |
c9299be2 | 557 | mode = dns_over_tls_mode_from_string(dns_over_tls); |
d050561a | 558 | if (mode < 0) |
c9299be2 | 559 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid DNSOverTLS setting: %s", dns_over_tls); |
d050561a IT |
560 | } |
561 | ||
52aaef0f ZJS |
562 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
563 | "org.freedesktop.resolve1.set-dns-over-tls", | |
564 | NULL, true, UID_INVALID, | |
565 | &l->manager->polkit_registry, error); | |
566 | if (r < 0) | |
567 | return r; | |
568 | if (r == 0) | |
569 | return 1; /* Polkit will call us back */ | |
570 | ||
c9299be2 | 571 | link_set_dns_over_tls_mode(l, mode); |
d050561a IT |
572 | |
573 | (void) link_save_user(l); | |
574 | ||
575 | return sd_bus_reply_method_return(message, NULL); | |
576 | } | |
577 | ||
d2ec6608 LP |
578 | int bus_link_method_set_dnssec(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
579 | Link *l = userdata; | |
580 | const char *dnssec; | |
581 | DnssecMode mode; | |
582 | int r; | |
583 | ||
584 | assert(message); | |
585 | assert(l); | |
586 | ||
04b764bf LP |
587 | r = verify_unmanaged_link(l, error); |
588 | if (r < 0) | |
589 | return r; | |
590 | ||
d2ec6608 LP |
591 | r = sd_bus_message_read(message, "s", &dnssec); |
592 | if (r < 0) | |
593 | return r; | |
594 | ||
595 | if (isempty(dnssec)) | |
596 | mode = _DNSSEC_MODE_INVALID; | |
597 | else { | |
598 | mode = dnssec_mode_from_string(dnssec); | |
599 | if (mode < 0) | |
600 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid DNSSEC setting: %s", dnssec); | |
601 | } | |
602 | ||
52aaef0f ZJS |
603 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
604 | "org.freedesktop.resolve1.set-dnssec", | |
605 | NULL, true, UID_INVALID, | |
606 | &l->manager->polkit_registry, error); | |
607 | if (r < 0) | |
608 | return r; | |
609 | if (r == 0) | |
610 | return 1; /* Polkit will call us back */ | |
611 | ||
d2ec6608 LP |
612 | link_set_dnssec_mode(l, mode); |
613 | ||
943ef07c LP |
614 | (void) link_save_user(l); |
615 | ||
d2ec6608 LP |
616 | return sd_bus_reply_method_return(message, NULL); |
617 | } | |
618 | ||
619 | int bus_link_method_set_dnssec_negative_trust_anchors(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
620 | _cleanup_set_free_free_ Set *ns = NULL; | |
c6d92582 | 621 | _cleanup_strv_free_ char **ntas = NULL; |
d2ec6608 LP |
622 | Link *l = userdata; |
623 | int r; | |
624 | char **i; | |
625 | ||
626 | assert(message); | |
627 | assert(l); | |
628 | ||
04b764bf LP |
629 | r = verify_unmanaged_link(l, error); |
630 | if (r < 0) | |
631 | return r; | |
632 | ||
ab77c879 ZJS |
633 | ns = set_new(&dns_name_hash_ops); |
634 | if (!ns) | |
635 | return -ENOMEM; | |
636 | ||
d2ec6608 LP |
637 | r = sd_bus_message_read_strv(message, &ntas); |
638 | if (r < 0) | |
639 | return r; | |
640 | ||
641 | STRV_FOREACH(i, ntas) { | |
642 | r = dns_name_is_valid(*i); | |
643 | if (r < 0) | |
644 | return r; | |
645 | if (r == 0) | |
ab77c879 ZJS |
646 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, |
647 | "Invalid negative trust anchor domain: %s", *i); | |
d2ec6608 | 648 | |
be327321 | 649 | r = set_put_strdup(&ns, *i); |
d2ec6608 LP |
650 | if (r < 0) |
651 | return r; | |
652 | } | |
653 | ||
52aaef0f ZJS |
654 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
655 | "org.freedesktop.resolve1.set-dnssec-negative-trust-anchors", | |
656 | NULL, true, UID_INVALID, | |
657 | &l->manager->polkit_registry, error); | |
658 | if (r < 0) | |
659 | return r; | |
660 | if (r == 0) | |
661 | return 1; /* Polkit will call us back */ | |
662 | ||
d2ec6608 | 663 | set_free_free(l->dnssec_negative_trust_anchors); |
ae2a15bc | 664 | l->dnssec_negative_trust_anchors = TAKE_PTR(ns); |
d2ec6608 | 665 | |
943ef07c LP |
666 | (void) link_save_user(l); |
667 | ||
d2ec6608 LP |
668 | return sd_bus_reply_method_return(message, NULL); |
669 | } | |
670 | ||
671 | int bus_link_method_revert(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
672 | Link *l = userdata; | |
04b764bf | 673 | int r; |
d2ec6608 LP |
674 | |
675 | assert(message); | |
676 | assert(l); | |
677 | ||
04b764bf LP |
678 | r = verify_unmanaged_link(l, error); |
679 | if (r < 0) | |
680 | return r; | |
681 | ||
52aaef0f ZJS |
682 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
683 | "org.freedesktop.resolve1.revert", | |
684 | NULL, true, UID_INVALID, | |
685 | &l->manager->polkit_registry, error); | |
686 | if (r < 0) | |
687 | return r; | |
688 | if (r == 0) | |
689 | return 1; /* Polkit will call us back */ | |
690 | ||
d2ec6608 LP |
691 | link_flush_settings(l); |
692 | link_allocate_scopes(l); | |
693 | link_add_rrs(l, false); | |
694 | ||
943ef07c | 695 | (void) link_save_user(l); |
7207052d | 696 | (void) manager_write_resolv_conf(l->manager); |
5f3340ca | 697 | (void) manager_send_changed(l->manager, "DNS"); |
7207052d | 698 | |
d2ec6608 LP |
699 | return sd_bus_reply_method_return(message, NULL); |
700 | } | |
701 | ||
8d128089 | 702 | static int link_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) { |
3abaabda LP |
703 | _cleanup_free_ char *e = NULL; |
704 | Manager *m = userdata; | |
3abaabda | 705 | Link *link; |
597da51b | 706 | int ifindex, r; |
3abaabda LP |
707 | |
708 | assert(bus); | |
709 | assert(path); | |
710 | assert(interface); | |
711 | assert(found); | |
712 | assert(m); | |
713 | ||
714 | r = sd_bus_path_decode(path, "/org/freedesktop/resolve1/link", &e); | |
715 | if (r <= 0) | |
716 | return 0; | |
717 | ||
597da51b ZJS |
718 | ifindex = parse_ifindex(e); |
719 | if (ifindex < 0) | |
3abaabda LP |
720 | return 0; |
721 | ||
722 | link = hashmap_get(m->links, INT_TO_PTR(ifindex)); | |
723 | if (!link) | |
724 | return 0; | |
725 | ||
726 | *found = link; | |
727 | return 1; | |
728 | } | |
729 | ||
0a6c0745 ZJS |
730 | char *link_bus_path(const Link *link) { |
731 | char *p, ifindex[DECIMAL_STR_MAX(link->ifindex)]; | |
3abaabda LP |
732 | int r; |
733 | ||
734 | assert(link); | |
735 | ||
0a6c0745 | 736 | xsprintf(ifindex, "%i", link->ifindex); |
3abaabda LP |
737 | |
738 | r = sd_bus_path_encode("/org/freedesktop/resolve1/link", ifindex, &p); | |
739 | if (r < 0) | |
740 | return NULL; | |
741 | ||
742 | return p; | |
743 | } | |
744 | ||
8d128089 | 745 | static int link_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) { |
3abaabda LP |
746 | _cleanup_strv_free_ char **l = NULL; |
747 | Manager *m = userdata; | |
748 | Link *link; | |
749 | Iterator i; | |
750 | unsigned c = 0; | |
751 | ||
752 | assert(bus); | |
753 | assert(path); | |
754 | assert(m); | |
755 | assert(nodes); | |
756 | ||
757 | l = new0(char*, hashmap_size(m->links) + 1); | |
758 | if (!l) | |
759 | return -ENOMEM; | |
760 | ||
761 | HASHMAP_FOREACH(link, m->links, i) { | |
762 | char *p; | |
763 | ||
764 | p = link_bus_path(link); | |
765 | if (!p) | |
766 | return -ENOMEM; | |
767 | ||
768 | l[c++] = p; | |
769 | } | |
770 | ||
771 | l[c] = NULL; | |
ae2a15bc | 772 | *nodes = TAKE_PTR(l); |
3abaabda LP |
773 | |
774 | return 1; | |
775 | } | |
8d128089 ZJS |
776 | |
777 | static const sd_bus_vtable link_vtable[] = { | |
778 | SD_BUS_VTABLE_START(0), | |
779 | ||
780 | SD_BUS_PROPERTY("ScopesMask", "t", property_get_scopes_mask, 0, 0), | |
781 | SD_BUS_PROPERTY("DNS", "a(iay)", property_get_dns, 0, 0), | |
8e56ea4c | 782 | SD_BUS_PROPERTY("DNSEx", "a(iayqs)", property_get_dns_ex, 0, 0), |
8d128089 | 783 | SD_BUS_PROPERTY("CurrentDNSServer", "(iay)", property_get_current_dns_server, offsetof(Link, current_dns_server), 0), |
8e56ea4c | 784 | SD_BUS_PROPERTY("CurrentDNSServerEx", "(iayqs)", property_get_current_dns_server_ex, offsetof(Link, current_dns_server), 0), |
8d128089 ZJS |
785 | SD_BUS_PROPERTY("Domains", "a(sb)", property_get_domains, 0, 0), |
786 | SD_BUS_PROPERTY("DefaultRoute", "b", property_get_default_route, 0, 0), | |
787 | SD_BUS_PROPERTY("LLMNR", "s", bus_property_get_resolve_support, offsetof(Link, llmnr_support), 0), | |
788 | SD_BUS_PROPERTY("MulticastDNS", "s", bus_property_get_resolve_support, offsetof(Link, mdns_support), 0), | |
789 | SD_BUS_PROPERTY("DNSOverTLS", "s", property_get_dns_over_tls_mode, 0, 0), | |
790 | SD_BUS_PROPERTY("DNSSEC", "s", property_get_dnssec_mode, 0, 0), | |
791 | SD_BUS_PROPERTY("DNSSECNegativeTrustAnchors", "as", property_get_ntas, 0, 0), | |
792 | SD_BUS_PROPERTY("DNSSECSupported", "b", property_get_dnssec_supported, 0, 0), | |
793 | ||
ba5a389d ZJS |
794 | SD_BUS_METHOD_WITH_ARGS("SetDNS", |
795 | SD_BUS_ARGS("a(iay)", addresses), | |
796 | SD_BUS_NO_RESULT, | |
797 | bus_link_method_set_dns_servers, | |
798 | SD_BUS_VTABLE_UNPRIVILEGED), | |
95ce1ba8 YW |
799 | SD_BUS_METHOD_WITH_ARGS("SetDNSEx", |
800 | SD_BUS_ARGS("a(iayqs)", addresses), | |
801 | SD_BUS_NO_RESULT, | |
802 | bus_link_method_set_dns_servers_ex, | |
803 | SD_BUS_VTABLE_UNPRIVILEGED), | |
ba5a389d ZJS |
804 | SD_BUS_METHOD_WITH_ARGS("SetDomains", |
805 | SD_BUS_ARGS("a(sb)", domains), | |
806 | SD_BUS_NO_RESULT, | |
807 | bus_link_method_set_domains, | |
808 | SD_BUS_VTABLE_UNPRIVILEGED), | |
809 | SD_BUS_METHOD_WITH_ARGS("SetDefaultRoute", | |
810 | SD_BUS_ARGS("b", enable), | |
811 | SD_BUS_NO_RESULT, | |
812 | bus_link_method_set_default_route, | |
813 | SD_BUS_VTABLE_UNPRIVILEGED), | |
814 | SD_BUS_METHOD_WITH_ARGS("SetLLMNR", | |
815 | SD_BUS_ARGS("s", mode), | |
816 | SD_BUS_NO_RESULT, | |
817 | bus_link_method_set_llmnr, | |
818 | SD_BUS_VTABLE_UNPRIVILEGED), | |
819 | SD_BUS_METHOD_WITH_ARGS("SetMulticastDNS", | |
820 | SD_BUS_ARGS("s", mode), | |
821 | SD_BUS_NO_RESULT, | |
822 | bus_link_method_set_mdns, | |
823 | SD_BUS_VTABLE_UNPRIVILEGED), | |
824 | SD_BUS_METHOD_WITH_ARGS("SetDNSOverTLS", | |
825 | SD_BUS_ARGS("s", mode), | |
826 | SD_BUS_NO_RESULT, | |
827 | bus_link_method_set_dns_over_tls, | |
828 | SD_BUS_VTABLE_UNPRIVILEGED), | |
829 | SD_BUS_METHOD_WITH_ARGS("SetDNSSEC", | |
830 | SD_BUS_ARGS("s", mode), | |
831 | SD_BUS_NO_RESULT, | |
832 | bus_link_method_set_dnssec, | |
833 | SD_BUS_VTABLE_UNPRIVILEGED), | |
834 | SD_BUS_METHOD_WITH_ARGS("SetDNSSECNegativeTrustAnchors", | |
835 | SD_BUS_ARGS("as", names), | |
836 | SD_BUS_NO_RESULT, | |
837 | bus_link_method_set_dnssec_negative_trust_anchors, | |
838 | SD_BUS_VTABLE_UNPRIVILEGED), | |
839 | SD_BUS_METHOD_WITH_ARGS("Revert", | |
840 | SD_BUS_NO_ARGS, | |
841 | SD_BUS_NO_RESULT, | |
842 | bus_link_method_revert, | |
843 | SD_BUS_VTABLE_UNPRIVILEGED), | |
8d128089 ZJS |
844 | |
845 | SD_BUS_VTABLE_END | |
846 | }; | |
847 | ||
848 | const BusObjectImplementation link_object = { | |
849 | "/org/freedesktop/resolve1/link", | |
850 | "org.freedesktop.resolve1.Link", | |
851 | .fallback_vtables = BUS_FALLBACK_VTABLES({link_vtable, link_object_find}), | |
852 | .node_enumerator = link_node_enumerator, | |
853 | }; |