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db9ecf05 | 1 | /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
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; | |
3abaabda LP |
225 | int r; |
226 | ||
227 | assert(reply); | |
228 | assert(l); | |
229 | ||
230 | r = sd_bus_message_open_container(reply, 'a', "s"); | |
231 | if (r < 0) | |
232 | return r; | |
233 | ||
90e74a66 | 234 | SET_FOREACH(name, l->dnssec_negative_trust_anchors) { |
3abaabda LP |
235 | r = sd_bus_message_append(reply, "s", name); |
236 | if (r < 0) | |
237 | return r; | |
238 | } | |
239 | ||
240 | return sd_bus_message_close_container(reply); | |
241 | } | |
242 | ||
04b764bf LP |
243 | static int verify_unmanaged_link(Link *l, sd_bus_error *error) { |
244 | assert(l); | |
245 | ||
246 | if (l->flags & IFF_LOOPBACK) | |
6ff79f76 | 247 | return sd_bus_error_setf(error, BUS_ERROR_LINK_BUSY, "Link %s is loopback device.", l->ifname); |
04b764bf | 248 | if (l->is_managed) |
6ff79f76 | 249 | return sd_bus_error_setf(error, BUS_ERROR_LINK_BUSY, "Link %s is managed.", l->ifname); |
04b764bf LP |
250 | |
251 | return 0; | |
252 | } | |
253 | ||
95ce1ba8 | 254 | static int bus_link_method_set_dns_servers_internal(sd_bus_message *message, void *userdata, sd_bus_error *error, bool extended) { |
10d46204 | 255 | struct in_addr_full **dns; |
d2ec6608 | 256 | Link *l = userdata; |
10d46204 | 257 | size_t n; |
d2ec6608 LP |
258 | int r; |
259 | ||
260 | assert(message); | |
261 | assert(l); | |
262 | ||
04b764bf LP |
263 | r = verify_unmanaged_link(l, error); |
264 | if (r < 0) | |
265 | return r; | |
266 | ||
10d46204 | 267 | r = bus_message_read_dns_servers(message, error, extended, &dns, &n); |
d2ec6608 LP |
268 | if (r < 0) |
269 | return r; | |
270 | ||
52aaef0f ZJS |
271 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
272 | "org.freedesktop.resolve1.set-dns-servers", | |
273 | NULL, true, UID_INVALID, | |
274 | &l->manager->polkit_registry, error); | |
275 | if (r < 0) | |
95ce1ba8 YW |
276 | goto finalize; |
277 | if (r == 0) { | |
278 | r = 1; /* Polkit will call us back */ | |
279 | goto finalize; | |
280 | } | |
52aaef0f | 281 | |
d2ec6608 LP |
282 | dns_server_mark_all(l->dns_servers); |
283 | ||
95ce1ba8 | 284 | for (size_t i = 0; i < n; i++) { |
d2ec6608 LP |
285 | DnsServer *s; |
286 | ||
95ce1ba8 | 287 | s = dns_server_find(l->dns_servers, dns[i]->family, &dns[i]->address, dns[i]->port, 0, dns[i]->server_name); |
d2ec6608 LP |
288 | if (s) |
289 | dns_server_move_back_and_unmark(s); | |
290 | else { | |
95ce1ba8 YW |
291 | 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); |
292 | if (r < 0) { | |
293 | dns_server_unlink_all(l->dns_servers); | |
294 | goto finalize; | |
295 | } | |
d2ec6608 LP |
296 | } |
297 | ||
298 | } | |
299 | ||
300 | dns_server_unlink_marked(l->dns_servers); | |
301 | link_allocate_scopes(l); | |
302 | ||
943ef07c | 303 | (void) link_save_user(l); |
7207052d | 304 | (void) manager_write_resolv_conf(l->manager); |
5f3340ca | 305 | (void) manager_send_changed(l->manager, "DNS"); |
7207052d | 306 | |
95ce1ba8 YW |
307 | r = sd_bus_reply_method_return(message, NULL); |
308 | ||
309 | finalize: | |
310 | for (size_t i = 0; i < n; i++) | |
311 | in_addr_full_free(dns[i]); | |
312 | free(dns); | |
d2ec6608 | 313 | |
d2ec6608 LP |
314 | return r; |
315 | } | |
316 | ||
95ce1ba8 YW |
317 | int bus_link_method_set_dns_servers(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
318 | return bus_link_method_set_dns_servers_internal(message, userdata, error, false); | |
319 | } | |
320 | ||
321 | int bus_link_method_set_dns_servers_ex(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
322 | return bus_link_method_set_dns_servers_internal(message, userdata, error, true); | |
323 | } | |
324 | ||
ee116b54 | 325 | int bus_link_method_set_domains(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
d2ec6608 | 326 | Link *l = userdata; |
d2ec6608 LP |
327 | int r; |
328 | ||
329 | assert(message); | |
330 | assert(l); | |
331 | ||
04b764bf LP |
332 | r = verify_unmanaged_link(l, error); |
333 | if (r < 0) | |
334 | return r; | |
335 | ||
ad44b56b | 336 | r = sd_bus_message_enter_container(message, 'a', "(sb)"); |
d2ec6608 LP |
337 | if (r < 0) |
338 | return r; | |
339 | ||
ad44b56b LP |
340 | for (;;) { |
341 | const char *name; | |
342 | int route_only; | |
d2ec6608 | 343 | |
ad44b56b | 344 | r = sd_bus_message_read(message, "(sb)", &name, &route_only); |
d2ec6608 LP |
345 | if (r < 0) |
346 | return r; | |
347 | if (r == 0) | |
ad44b56b LP |
348 | break; |
349 | ||
350 | r = dns_name_is_valid(name); | |
351 | if (r < 0) | |
352 | return r; | |
353 | if (r == 0) | |
354 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid search domain %s", name); | |
355 | if (!route_only && dns_name_is_root(name)) | |
d2ec6608 LP |
356 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Root domain is not suitable as search domain"); |
357 | } | |
358 | ||
ad44b56b LP |
359 | r = sd_bus_message_rewind(message, false); |
360 | if (r < 0) | |
361 | return r; | |
362 | ||
52aaef0f ZJS |
363 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
364 | "org.freedesktop.resolve1.set-domains", | |
365 | NULL, true, UID_INVALID, | |
366 | &l->manager->polkit_registry, error); | |
367 | if (r < 0) | |
368 | return r; | |
369 | if (r == 0) | |
370 | return 1; /* Polkit will call us back */ | |
371 | ||
372 | dns_search_domain_mark_all(l->search_domains); | |
373 | ||
ad44b56b | 374 | for (;;) { |
d2ec6608 | 375 | DnsSearchDomain *d; |
ad44b56b LP |
376 | const char *name; |
377 | int route_only; | |
d2ec6608 | 378 | |
ad44b56b LP |
379 | r = sd_bus_message_read(message, "(sb)", &name, &route_only); |
380 | if (r < 0) | |
381 | goto clear; | |
382 | if (r == 0) | |
383 | break; | |
384 | ||
385 | r = dns_search_domain_find(l->search_domains, name, &d); | |
d2ec6608 LP |
386 | if (r < 0) |
387 | goto clear; | |
388 | ||
389 | if (r > 0) | |
390 | dns_search_domain_move_back_and_unmark(d); | |
391 | else { | |
ad44b56b | 392 | r = dns_search_domain_new(l->manager, &d, DNS_SEARCH_DOMAIN_LINK, l, name); |
d2ec6608 LP |
393 | if (r < 0) |
394 | goto clear; | |
395 | } | |
ad44b56b LP |
396 | |
397 | d->route_only = route_only; | |
d2ec6608 LP |
398 | } |
399 | ||
ad44b56b LP |
400 | r = sd_bus_message_exit_container(message); |
401 | if (r < 0) | |
402 | goto clear; | |
403 | ||
d2ec6608 | 404 | dns_search_domain_unlink_marked(l->search_domains); |
7207052d | 405 | |
943ef07c | 406 | (void) link_save_user(l); |
7207052d LP |
407 | (void) manager_write_resolv_conf(l->manager); |
408 | ||
d2ec6608 LP |
409 | return sd_bus_reply_method_return(message, NULL); |
410 | ||
411 | clear: | |
412 | dns_search_domain_unlink_all(l->search_domains); | |
413 | return r; | |
414 | } | |
415 | ||
77673795 LP |
416 | int bus_link_method_set_default_route(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
417 | Link *l = userdata; | |
418 | int r, b; | |
419 | ||
420 | assert(message); | |
421 | assert(l); | |
422 | ||
423 | r = verify_unmanaged_link(l, error); | |
424 | if (r < 0) | |
425 | return r; | |
426 | ||
427 | r = sd_bus_message_read(message, "b", &b); | |
428 | if (r < 0) | |
429 | return r; | |
430 | ||
52aaef0f ZJS |
431 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
432 | "org.freedesktop.resolve1.set-default-route", | |
433 | NULL, true, UID_INVALID, | |
434 | &l->manager->polkit_registry, error); | |
435 | if (r < 0) | |
436 | return r; | |
437 | if (r == 0) | |
438 | return 1; /* Polkit will call us back */ | |
439 | ||
77673795 LP |
440 | if (l->default_route != b) { |
441 | l->default_route = b; | |
442 | ||
443 | (void) link_save_user(l); | |
444 | (void) manager_write_resolv_conf(l->manager); | |
445 | } | |
446 | ||
447 | return sd_bus_reply_method_return(message, NULL); | |
448 | } | |
449 | ||
d2ec6608 LP |
450 | int bus_link_method_set_llmnr(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
451 | Link *l = userdata; | |
452 | ResolveSupport mode; | |
453 | const char *llmnr; | |
454 | int r; | |
455 | ||
456 | assert(message); | |
457 | assert(l); | |
458 | ||
04b764bf LP |
459 | r = verify_unmanaged_link(l, error); |
460 | if (r < 0) | |
461 | return r; | |
462 | ||
d2ec6608 LP |
463 | r = sd_bus_message_read(message, "s", &llmnr); |
464 | if (r < 0) | |
465 | return r; | |
466 | ||
467 | if (isempty(llmnr)) | |
468 | mode = RESOLVE_SUPPORT_YES; | |
469 | else { | |
470 | mode = resolve_support_from_string(llmnr); | |
471 | if (mode < 0) | |
472 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid LLMNR setting: %s", llmnr); | |
473 | } | |
474 | ||
52aaef0f ZJS |
475 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
476 | "org.freedesktop.resolve1.set-llmnr", | |
477 | NULL, true, UID_INVALID, | |
478 | &l->manager->polkit_registry, error); | |
479 | if (r < 0) | |
480 | return r; | |
481 | if (r == 0) | |
482 | return 1; /* Polkit will call us back */ | |
483 | ||
d2ec6608 LP |
484 | l->llmnr_support = mode; |
485 | link_allocate_scopes(l); | |
486 | link_add_rrs(l, false); | |
487 | ||
943ef07c LP |
488 | (void) link_save_user(l); |
489 | ||
d2ec6608 LP |
490 | return sd_bus_reply_method_return(message, NULL); |
491 | } | |
492 | ||
493 | int bus_link_method_set_mdns(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
494 | Link *l = userdata; | |
495 | ResolveSupport mode; | |
496 | const char *mdns; | |
497 | int r; | |
498 | ||
499 | assert(message); | |
500 | assert(l); | |
501 | ||
04b764bf LP |
502 | r = verify_unmanaged_link(l, error); |
503 | if (r < 0) | |
504 | return r; | |
505 | ||
d2ec6608 LP |
506 | r = sd_bus_message_read(message, "s", &mdns); |
507 | if (r < 0) | |
508 | return r; | |
509 | ||
510 | if (isempty(mdns)) | |
511 | mode = RESOLVE_SUPPORT_NO; | |
512 | else { | |
513 | mode = resolve_support_from_string(mdns); | |
514 | if (mode < 0) | |
515 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid MulticastDNS setting: %s", mdns); | |
516 | } | |
517 | ||
52aaef0f ZJS |
518 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
519 | "org.freedesktop.resolve1.set-mdns", | |
520 | NULL, true, UID_INVALID, | |
521 | &l->manager->polkit_registry, error); | |
522 | if (r < 0) | |
523 | return r; | |
524 | if (r == 0) | |
525 | return 1; /* Polkit will call us back */ | |
526 | ||
d2ec6608 LP |
527 | l->mdns_support = mode; |
528 | link_allocate_scopes(l); | |
529 | link_add_rrs(l, false); | |
530 | ||
943ef07c LP |
531 | (void) link_save_user(l); |
532 | ||
d2ec6608 LP |
533 | return sd_bus_reply_method_return(message, NULL); |
534 | } | |
535 | ||
c9299be2 | 536 | int bus_link_method_set_dns_over_tls(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
d050561a | 537 | Link *l = userdata; |
c9299be2 IT |
538 | const char *dns_over_tls; |
539 | DnsOverTlsMode mode; | |
d050561a IT |
540 | int r; |
541 | ||
542 | assert(message); | |
543 | assert(l); | |
544 | ||
545 | r = verify_unmanaged_link(l, error); | |
546 | if (r < 0) | |
547 | return r; | |
548 | ||
c9299be2 | 549 | r = sd_bus_message_read(message, "s", &dns_over_tls); |
d050561a IT |
550 | if (r < 0) |
551 | return r; | |
552 | ||
c9299be2 IT |
553 | if (isempty(dns_over_tls)) |
554 | mode = _DNS_OVER_TLS_MODE_INVALID; | |
d050561a | 555 | else { |
c9299be2 | 556 | mode = dns_over_tls_mode_from_string(dns_over_tls); |
d050561a | 557 | if (mode < 0) |
c9299be2 | 558 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid DNSOverTLS setting: %s", dns_over_tls); |
d050561a IT |
559 | } |
560 | ||
52aaef0f ZJS |
561 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
562 | "org.freedesktop.resolve1.set-dns-over-tls", | |
563 | NULL, true, UID_INVALID, | |
564 | &l->manager->polkit_registry, error); | |
565 | if (r < 0) | |
566 | return r; | |
567 | if (r == 0) | |
568 | return 1; /* Polkit will call us back */ | |
569 | ||
c9299be2 | 570 | link_set_dns_over_tls_mode(l, mode); |
d050561a IT |
571 | |
572 | (void) link_save_user(l); | |
573 | ||
574 | return sd_bus_reply_method_return(message, NULL); | |
575 | } | |
576 | ||
d2ec6608 LP |
577 | int bus_link_method_set_dnssec(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
578 | Link *l = userdata; | |
579 | const char *dnssec; | |
580 | DnssecMode mode; | |
581 | int r; | |
582 | ||
583 | assert(message); | |
584 | assert(l); | |
585 | ||
04b764bf LP |
586 | r = verify_unmanaged_link(l, error); |
587 | if (r < 0) | |
588 | return r; | |
589 | ||
d2ec6608 LP |
590 | r = sd_bus_message_read(message, "s", &dnssec); |
591 | if (r < 0) | |
592 | return r; | |
593 | ||
594 | if (isempty(dnssec)) | |
595 | mode = _DNSSEC_MODE_INVALID; | |
596 | else { | |
597 | mode = dnssec_mode_from_string(dnssec); | |
598 | if (mode < 0) | |
599 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid DNSSEC setting: %s", dnssec); | |
600 | } | |
601 | ||
52aaef0f ZJS |
602 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
603 | "org.freedesktop.resolve1.set-dnssec", | |
604 | NULL, true, UID_INVALID, | |
605 | &l->manager->polkit_registry, error); | |
606 | if (r < 0) | |
607 | return r; | |
608 | if (r == 0) | |
609 | return 1; /* Polkit will call us back */ | |
610 | ||
d2ec6608 LP |
611 | link_set_dnssec_mode(l, mode); |
612 | ||
943ef07c LP |
613 | (void) link_save_user(l); |
614 | ||
d2ec6608 LP |
615 | return sd_bus_reply_method_return(message, NULL); |
616 | } | |
617 | ||
618 | int bus_link_method_set_dnssec_negative_trust_anchors(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
619 | _cleanup_set_free_free_ Set *ns = NULL; | |
c6d92582 | 620 | _cleanup_strv_free_ char **ntas = NULL; |
d2ec6608 LP |
621 | Link *l = userdata; |
622 | int r; | |
623 | char **i; | |
624 | ||
625 | assert(message); | |
626 | assert(l); | |
627 | ||
04b764bf LP |
628 | r = verify_unmanaged_link(l, error); |
629 | if (r < 0) | |
630 | return r; | |
631 | ||
ab77c879 ZJS |
632 | ns = set_new(&dns_name_hash_ops); |
633 | if (!ns) | |
634 | return -ENOMEM; | |
635 | ||
d2ec6608 LP |
636 | r = sd_bus_message_read_strv(message, &ntas); |
637 | if (r < 0) | |
638 | return r; | |
639 | ||
640 | STRV_FOREACH(i, ntas) { | |
641 | r = dns_name_is_valid(*i); | |
642 | if (r < 0) | |
643 | return r; | |
644 | if (r == 0) | |
ab77c879 ZJS |
645 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, |
646 | "Invalid negative trust anchor domain: %s", *i); | |
d2ec6608 | 647 | |
be327321 | 648 | r = set_put_strdup(&ns, *i); |
d2ec6608 LP |
649 | if (r < 0) |
650 | return r; | |
651 | } | |
652 | ||
52aaef0f ZJS |
653 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
654 | "org.freedesktop.resolve1.set-dnssec-negative-trust-anchors", | |
655 | NULL, true, UID_INVALID, | |
656 | &l->manager->polkit_registry, error); | |
657 | if (r < 0) | |
658 | return r; | |
659 | if (r == 0) | |
660 | return 1; /* Polkit will call us back */ | |
661 | ||
d2ec6608 | 662 | set_free_free(l->dnssec_negative_trust_anchors); |
ae2a15bc | 663 | l->dnssec_negative_trust_anchors = TAKE_PTR(ns); |
d2ec6608 | 664 | |
943ef07c LP |
665 | (void) link_save_user(l); |
666 | ||
d2ec6608 LP |
667 | return sd_bus_reply_method_return(message, NULL); |
668 | } | |
669 | ||
670 | int bus_link_method_revert(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
671 | Link *l = userdata; | |
04b764bf | 672 | int r; |
d2ec6608 LP |
673 | |
674 | assert(message); | |
675 | assert(l); | |
676 | ||
04b764bf LP |
677 | r = verify_unmanaged_link(l, error); |
678 | if (r < 0) | |
679 | return r; | |
680 | ||
52aaef0f ZJS |
681 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
682 | "org.freedesktop.resolve1.revert", | |
683 | NULL, true, UID_INVALID, | |
684 | &l->manager->polkit_registry, error); | |
685 | if (r < 0) | |
686 | return r; | |
687 | if (r == 0) | |
688 | return 1; /* Polkit will call us back */ | |
689 | ||
d2ec6608 LP |
690 | link_flush_settings(l); |
691 | link_allocate_scopes(l); | |
692 | link_add_rrs(l, false); | |
693 | ||
943ef07c | 694 | (void) link_save_user(l); |
7207052d | 695 | (void) manager_write_resolv_conf(l->manager); |
5f3340ca | 696 | (void) manager_send_changed(l->manager, "DNS"); |
7207052d | 697 | |
d2ec6608 LP |
698 | return sd_bus_reply_method_return(message, NULL); |
699 | } | |
700 | ||
8d128089 | 701 | static int link_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) { |
3abaabda LP |
702 | _cleanup_free_ char *e = NULL; |
703 | Manager *m = userdata; | |
3abaabda | 704 | Link *link; |
597da51b | 705 | int ifindex, r; |
3abaabda LP |
706 | |
707 | assert(bus); | |
708 | assert(path); | |
709 | assert(interface); | |
710 | assert(found); | |
711 | assert(m); | |
712 | ||
713 | r = sd_bus_path_decode(path, "/org/freedesktop/resolve1/link", &e); | |
714 | if (r <= 0) | |
715 | return 0; | |
716 | ||
597da51b ZJS |
717 | ifindex = parse_ifindex(e); |
718 | if (ifindex < 0) | |
3abaabda LP |
719 | return 0; |
720 | ||
721 | link = hashmap_get(m->links, INT_TO_PTR(ifindex)); | |
722 | if (!link) | |
723 | return 0; | |
724 | ||
725 | *found = link; | |
726 | return 1; | |
727 | } | |
728 | ||
0a6c0745 ZJS |
729 | char *link_bus_path(const Link *link) { |
730 | char *p, ifindex[DECIMAL_STR_MAX(link->ifindex)]; | |
3abaabda LP |
731 | int r; |
732 | ||
733 | assert(link); | |
734 | ||
0a6c0745 | 735 | xsprintf(ifindex, "%i", link->ifindex); |
3abaabda LP |
736 | |
737 | r = sd_bus_path_encode("/org/freedesktop/resolve1/link", ifindex, &p); | |
738 | if (r < 0) | |
739 | return NULL; | |
740 | ||
741 | return p; | |
742 | } | |
743 | ||
8d128089 | 744 | static int link_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) { |
3abaabda LP |
745 | _cleanup_strv_free_ char **l = NULL; |
746 | Manager *m = userdata; | |
747 | Link *link; | |
3abaabda LP |
748 | unsigned c = 0; |
749 | ||
750 | assert(bus); | |
751 | assert(path); | |
752 | assert(m); | |
753 | assert(nodes); | |
754 | ||
755 | l = new0(char*, hashmap_size(m->links) + 1); | |
756 | if (!l) | |
757 | return -ENOMEM; | |
758 | ||
90e74a66 | 759 | HASHMAP_FOREACH(link, m->links) { |
3abaabda LP |
760 | char *p; |
761 | ||
762 | p = link_bus_path(link); | |
763 | if (!p) | |
764 | return -ENOMEM; | |
765 | ||
766 | l[c++] = p; | |
767 | } | |
768 | ||
769 | l[c] = NULL; | |
ae2a15bc | 770 | *nodes = TAKE_PTR(l); |
3abaabda LP |
771 | |
772 | return 1; | |
773 | } | |
8d128089 ZJS |
774 | |
775 | static const sd_bus_vtable link_vtable[] = { | |
776 | SD_BUS_VTABLE_START(0), | |
777 | ||
778 | SD_BUS_PROPERTY("ScopesMask", "t", property_get_scopes_mask, 0, 0), | |
779 | SD_BUS_PROPERTY("DNS", "a(iay)", property_get_dns, 0, 0), | |
8e56ea4c | 780 | SD_BUS_PROPERTY("DNSEx", "a(iayqs)", property_get_dns_ex, 0, 0), |
8d128089 | 781 | SD_BUS_PROPERTY("CurrentDNSServer", "(iay)", property_get_current_dns_server, offsetof(Link, current_dns_server), 0), |
8e56ea4c | 782 | SD_BUS_PROPERTY("CurrentDNSServerEx", "(iayqs)", property_get_current_dns_server_ex, offsetof(Link, current_dns_server), 0), |
8d128089 ZJS |
783 | SD_BUS_PROPERTY("Domains", "a(sb)", property_get_domains, 0, 0), |
784 | SD_BUS_PROPERTY("DefaultRoute", "b", property_get_default_route, 0, 0), | |
785 | SD_BUS_PROPERTY("LLMNR", "s", bus_property_get_resolve_support, offsetof(Link, llmnr_support), 0), | |
786 | SD_BUS_PROPERTY("MulticastDNS", "s", bus_property_get_resolve_support, offsetof(Link, mdns_support), 0), | |
787 | SD_BUS_PROPERTY("DNSOverTLS", "s", property_get_dns_over_tls_mode, 0, 0), | |
788 | SD_BUS_PROPERTY("DNSSEC", "s", property_get_dnssec_mode, 0, 0), | |
789 | SD_BUS_PROPERTY("DNSSECNegativeTrustAnchors", "as", property_get_ntas, 0, 0), | |
790 | SD_BUS_PROPERTY("DNSSECSupported", "b", property_get_dnssec_supported, 0, 0), | |
791 | ||
ba5a389d ZJS |
792 | SD_BUS_METHOD_WITH_ARGS("SetDNS", |
793 | SD_BUS_ARGS("a(iay)", addresses), | |
794 | SD_BUS_NO_RESULT, | |
795 | bus_link_method_set_dns_servers, | |
796 | SD_BUS_VTABLE_UNPRIVILEGED), | |
95ce1ba8 YW |
797 | SD_BUS_METHOD_WITH_ARGS("SetDNSEx", |
798 | SD_BUS_ARGS("a(iayqs)", addresses), | |
799 | SD_BUS_NO_RESULT, | |
800 | bus_link_method_set_dns_servers_ex, | |
801 | SD_BUS_VTABLE_UNPRIVILEGED), | |
ba5a389d ZJS |
802 | SD_BUS_METHOD_WITH_ARGS("SetDomains", |
803 | SD_BUS_ARGS("a(sb)", domains), | |
804 | SD_BUS_NO_RESULT, | |
805 | bus_link_method_set_domains, | |
806 | SD_BUS_VTABLE_UNPRIVILEGED), | |
807 | SD_BUS_METHOD_WITH_ARGS("SetDefaultRoute", | |
808 | SD_BUS_ARGS("b", enable), | |
809 | SD_BUS_NO_RESULT, | |
810 | bus_link_method_set_default_route, | |
811 | SD_BUS_VTABLE_UNPRIVILEGED), | |
812 | SD_BUS_METHOD_WITH_ARGS("SetLLMNR", | |
813 | SD_BUS_ARGS("s", mode), | |
814 | SD_BUS_NO_RESULT, | |
815 | bus_link_method_set_llmnr, | |
816 | SD_BUS_VTABLE_UNPRIVILEGED), | |
817 | SD_BUS_METHOD_WITH_ARGS("SetMulticastDNS", | |
818 | SD_BUS_ARGS("s", mode), | |
819 | SD_BUS_NO_RESULT, | |
820 | bus_link_method_set_mdns, | |
821 | SD_BUS_VTABLE_UNPRIVILEGED), | |
822 | SD_BUS_METHOD_WITH_ARGS("SetDNSOverTLS", | |
823 | SD_BUS_ARGS("s", mode), | |
824 | SD_BUS_NO_RESULT, | |
825 | bus_link_method_set_dns_over_tls, | |
826 | SD_BUS_VTABLE_UNPRIVILEGED), | |
827 | SD_BUS_METHOD_WITH_ARGS("SetDNSSEC", | |
828 | SD_BUS_ARGS("s", mode), | |
829 | SD_BUS_NO_RESULT, | |
830 | bus_link_method_set_dnssec, | |
831 | SD_BUS_VTABLE_UNPRIVILEGED), | |
832 | SD_BUS_METHOD_WITH_ARGS("SetDNSSECNegativeTrustAnchors", | |
833 | SD_BUS_ARGS("as", names), | |
834 | SD_BUS_NO_RESULT, | |
835 | bus_link_method_set_dnssec_negative_trust_anchors, | |
836 | SD_BUS_VTABLE_UNPRIVILEGED), | |
837 | SD_BUS_METHOD_WITH_ARGS("Revert", | |
838 | SD_BUS_NO_ARGS, | |
839 | SD_BUS_NO_RESULT, | |
840 | bus_link_method_revert, | |
841 | SD_BUS_VTABLE_UNPRIVILEGED), | |
8d128089 ZJS |
842 | |
843 | SD_BUS_VTABLE_END | |
844 | }; | |
845 | ||
846 | const BusObjectImplementation link_object = { | |
847 | "/org/freedesktop/resolve1/link", | |
848 | "org.freedesktop.resolve1.Link", | |
849 | .fallback_vtables = BUS_FALLBACK_VTABLES({link_vtable, link_object_find}), | |
850 | .node_enumerator = link_node_enumerator, | |
851 | }; |