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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" |
0b261ac5 | 12 | #include "log-link.h" |
3abaabda LP |
13 | #include "parse-util.h" |
14 | #include "resolve-util.h" | |
15 | #include "resolved-bus.h" | |
16 | #include "resolved-link-bus.h" | |
7207052d | 17 | #include "resolved-resolv-conf.h" |
95ce1ba8 | 18 | #include "socket-netlink.h" |
0a6c0745 | 19 | #include "stdio-util.h" |
3abaabda | 20 | #include "strv.h" |
52aaef0f | 21 | #include "user-util.h" |
3abaabda | 22 | |
acd380c4 YW |
23 | static BUS_DEFINE_PROPERTY_GET(property_get_dnssec_supported, "b", Link, link_dnssec_supported); |
24 | static BUS_DEFINE_PROPERTY_GET2(property_get_dnssec_mode, "s", Link, link_get_dnssec_mode, dnssec_mode_to_string); | |
3abaabda | 25 | |
c9299be2 | 26 | static int property_get_dns_over_tls_mode( |
d050561a IT |
27 | sd_bus *bus, |
28 | const char *path, | |
29 | const char *interface, | |
30 | const char *property, | |
31 | sd_bus_message *reply, | |
32 | void *userdata, | |
33 | sd_bus_error *error) { | |
34 | ||
35 | Link *l = userdata; | |
36 | ||
37 | assert(reply); | |
38 | assert(l); | |
39 | ||
c9299be2 | 40 | return sd_bus_message_append(reply, "s", dns_over_tls_mode_to_string(link_get_dns_over_tls_mode(l))); |
d050561a IT |
41 | } |
42 | ||
8e56ea4c | 43 | static int property_get_dns_internal( |
3abaabda LP |
44 | sd_bus *bus, |
45 | const char *path, | |
46 | const char *interface, | |
47 | const char *property, | |
48 | sd_bus_message *reply, | |
49 | void *userdata, | |
8e56ea4c YW |
50 | sd_bus_error *error, |
51 | bool extended) { | |
3abaabda LP |
52 | |
53 | Link *l = userdata; | |
54 | DnsServer *s; | |
55 | int r; | |
56 | ||
57 | assert(reply); | |
58 | assert(l); | |
59 | ||
8e56ea4c | 60 | r = sd_bus_message_open_container(reply, 'a', extended ? "(iayqs)" : "(iay)"); |
3abaabda LP |
61 | if (r < 0) |
62 | return r; | |
63 | ||
64 | LIST_FOREACH(servers, s, l->dns_servers) { | |
8e56ea4c | 65 | r = bus_dns_server_append(reply, s, false, extended); |
3abaabda LP |
66 | if (r < 0) |
67 | return r; | |
68 | } | |
69 | ||
70 | return sd_bus_message_close_container(reply); | |
71 | } | |
72 | ||
8e56ea4c YW |
73 | static int property_get_dns( |
74 | sd_bus *bus, | |
75 | const char *path, | |
76 | const char *interface, | |
77 | const char *property, | |
78 | sd_bus_message *reply, | |
79 | void *userdata, | |
80 | sd_bus_error *error) { | |
81 | return property_get_dns_internal(bus, path, interface, property, reply, userdata, error, false); | |
82 | } | |
83 | ||
84 | static int property_get_dns_ex( | |
b7ac92cd YW |
85 | sd_bus *bus, |
86 | const char *path, | |
87 | const char *interface, | |
88 | const char *property, | |
89 | sd_bus_message *reply, | |
90 | void *userdata, | |
91 | sd_bus_error *error) { | |
8e56ea4c YW |
92 | return property_get_dns_internal(bus, path, interface, property, reply, userdata, error, true); |
93 | } | |
94 | ||
95 | static int property_get_current_dns_server_internal( | |
96 | sd_bus *bus, | |
97 | const char *path, | |
98 | const char *interface, | |
99 | const char *property, | |
100 | sd_bus_message *reply, | |
101 | void *userdata, | |
102 | sd_bus_error *error, | |
103 | bool extended) { | |
b7ac92cd YW |
104 | |
105 | DnsServer *s; | |
106 | ||
107 | assert(reply); | |
108 | assert(userdata); | |
109 | ||
110 | s = *(DnsServer **) userdata; | |
111 | ||
8e56ea4c YW |
112 | return bus_dns_server_append(reply, s, false, extended); |
113 | } | |
114 | ||
115 | static int property_get_current_dns_server( | |
116 | sd_bus *bus, | |
117 | const char *path, | |
118 | const char *interface, | |
119 | const char *property, | |
120 | sd_bus_message *reply, | |
121 | void *userdata, | |
122 | sd_bus_error *error) { | |
123 | return property_get_current_dns_server_internal(bus, path, interface, property, reply, userdata, error, false); | |
124 | } | |
125 | ||
126 | static int property_get_current_dns_server_ex( | |
127 | sd_bus *bus, | |
128 | const char *path, | |
129 | const char *interface, | |
130 | const char *property, | |
131 | sd_bus_message *reply, | |
132 | void *userdata, | |
133 | sd_bus_error *error) { | |
134 | return property_get_current_dns_server_internal(bus, path, interface, property, reply, userdata, error, true); | |
b7ac92cd YW |
135 | } |
136 | ||
3abaabda LP |
137 | static int property_get_domains( |
138 | sd_bus *bus, | |
139 | const char *path, | |
140 | const char *interface, | |
141 | const char *property, | |
142 | sd_bus_message *reply, | |
143 | void *userdata, | |
144 | sd_bus_error *error) { | |
145 | ||
146 | Link *l = userdata; | |
147 | DnsSearchDomain *d; | |
148 | int r; | |
149 | ||
150 | assert(reply); | |
151 | assert(l); | |
152 | ||
ad44b56b | 153 | r = sd_bus_message_open_container(reply, 'a', "(sb)"); |
3abaabda LP |
154 | if (r < 0) |
155 | return r; | |
156 | ||
157 | LIST_FOREACH(domains, d, l->search_domains) { | |
ad44b56b | 158 | r = sd_bus_message_append(reply, "(sb)", d->name, d->route_only); |
3abaabda LP |
159 | if (r < 0) |
160 | return r; | |
161 | } | |
162 | ||
163 | return sd_bus_message_close_container(reply); | |
164 | } | |
165 | ||
77673795 LP |
166 | static int property_get_default_route( |
167 | sd_bus *bus, | |
168 | const char *path, | |
169 | const char *interface, | |
170 | const char *property, | |
171 | sd_bus_message *reply, | |
172 | void *userdata, | |
173 | sd_bus_error *error) { | |
174 | ||
175 | Link *l = userdata; | |
176 | ||
177 | assert(reply); | |
178 | assert(l); | |
179 | ||
180 | /* Return what is configured, if there's something configured */ | |
181 | if (l->default_route >= 0) | |
182 | return sd_bus_message_append(reply, "b", l->default_route); | |
183 | ||
184 | /* Otherwise report what is in effect */ | |
185 | if (l->unicast_scope) | |
186 | return sd_bus_message_append(reply, "b", dns_scope_is_default_route(l->unicast_scope)); | |
187 | ||
188 | return sd_bus_message_append(reply, "b", false); | |
189 | } | |
190 | ||
3abaabda LP |
191 | static int property_get_scopes_mask( |
192 | sd_bus *bus, | |
193 | const char *path, | |
194 | const char *interface, | |
195 | const char *property, | |
196 | sd_bus_message *reply, | |
197 | void *userdata, | |
198 | sd_bus_error *error) { | |
199 | ||
200 | Link *l = userdata; | |
201 | uint64_t mask; | |
202 | ||
203 | assert(reply); | |
204 | assert(l); | |
205 | ||
206 | mask = (l->unicast_scope ? SD_RESOLVED_DNS : 0) | | |
207 | (l->llmnr_ipv4_scope ? SD_RESOLVED_LLMNR_IPV4 : 0) | | |
208 | (l->llmnr_ipv6_scope ? SD_RESOLVED_LLMNR_IPV6 : 0) | | |
209 | (l->mdns_ipv4_scope ? SD_RESOLVED_MDNS_IPV4 : 0) | | |
210 | (l->mdns_ipv6_scope ? SD_RESOLVED_MDNS_IPV6 : 0); | |
211 | ||
212 | return sd_bus_message_append(reply, "t", mask); | |
213 | } | |
214 | ||
215 | static int property_get_ntas( | |
216 | sd_bus *bus, | |
217 | const char *path, | |
218 | const char *interface, | |
219 | const char *property, | |
220 | sd_bus_message *reply, | |
221 | void *userdata, | |
222 | sd_bus_error *error) { | |
223 | ||
224 | Link *l = userdata; | |
225 | const char *name; | |
3abaabda LP |
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 | ||
90e74a66 | 235 | SET_FOREACH(name, l->dnssec_negative_trust_anchors) { |
3abaabda LP |
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) { |
0b261ac5 | 256 | _cleanup_free_ char *j = NULL; |
10d46204 | 257 | struct in_addr_full **dns; |
d2ec6608 | 258 | Link *l = userdata; |
10d46204 | 259 | size_t n; |
d2ec6608 LP |
260 | int r; |
261 | ||
262 | assert(message); | |
263 | assert(l); | |
264 | ||
04b764bf LP |
265 | r = verify_unmanaged_link(l, error); |
266 | if (r < 0) | |
267 | return r; | |
268 | ||
10d46204 | 269 | r = bus_message_read_dns_servers(message, error, extended, &dns, &n); |
d2ec6608 LP |
270 | if (r < 0) |
271 | return r; | |
272 | ||
52aaef0f ZJS |
273 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
274 | "org.freedesktop.resolve1.set-dns-servers", | |
275 | NULL, true, UID_INVALID, | |
276 | &l->manager->polkit_registry, error); | |
277 | if (r < 0) | |
95ce1ba8 YW |
278 | goto finalize; |
279 | if (r == 0) { | |
280 | r = 1; /* Polkit will call us back */ | |
281 | goto finalize; | |
282 | } | |
52aaef0f | 283 | |
0b261ac5 LP |
284 | for (size_t i = 0; i < n; i++) { |
285 | const char *s; | |
286 | ||
287 | s = in_addr_full_to_string(dns[i]); | |
288 | if (!s) { | |
289 | r = -ENOMEM; | |
290 | goto finalize; | |
291 | } | |
292 | ||
c2bc710b | 293 | if (!strextend_with_separator(&j, ", ", s)) { |
0b261ac5 LP |
294 | r = -ENOMEM; |
295 | goto finalize; | |
296 | } | |
297 | } | |
298 | ||
1e69eadd LP |
299 | bus_client_log(message, "DNS server change"); |
300 | ||
d2ec6608 LP |
301 | dns_server_mark_all(l->dns_servers); |
302 | ||
95ce1ba8 | 303 | for (size_t i = 0; i < n; i++) { |
d2ec6608 LP |
304 | DnsServer *s; |
305 | ||
95ce1ba8 | 306 | s = dns_server_find(l->dns_servers, dns[i]->family, &dns[i]->address, dns[i]->port, 0, dns[i]->server_name); |
d2ec6608 LP |
307 | if (s) |
308 | dns_server_move_back_and_unmark(s); | |
309 | else { | |
95ce1ba8 YW |
310 | 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); |
311 | if (r < 0) { | |
312 | dns_server_unlink_all(l->dns_servers); | |
313 | goto finalize; | |
314 | } | |
d2ec6608 LP |
315 | } |
316 | ||
317 | } | |
318 | ||
319 | dns_server_unlink_marked(l->dns_servers); | |
320 | link_allocate_scopes(l); | |
321 | ||
943ef07c | 322 | (void) link_save_user(l); |
7207052d | 323 | (void) manager_write_resolv_conf(l->manager); |
5f3340ca | 324 | (void) manager_send_changed(l->manager, "DNS"); |
7207052d | 325 | |
0b261ac5 LP |
326 | if (j) |
327 | log_link_info(l, "Bus client set DNS server list to: %s", j); | |
328 | else | |
329 | log_link_info(l, "Bus client reset DNS server list."); | |
330 | ||
95ce1ba8 YW |
331 | r = sd_bus_reply_method_return(message, NULL); |
332 | ||
333 | finalize: | |
334 | for (size_t i = 0; i < n; i++) | |
335 | in_addr_full_free(dns[i]); | |
336 | free(dns); | |
d2ec6608 | 337 | |
d2ec6608 LP |
338 | return r; |
339 | } | |
340 | ||
95ce1ba8 YW |
341 | int bus_link_method_set_dns_servers(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
342 | return bus_link_method_set_dns_servers_internal(message, userdata, error, false); | |
343 | } | |
344 | ||
345 | int bus_link_method_set_dns_servers_ex(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
346 | return bus_link_method_set_dns_servers_internal(message, userdata, error, true); | |
347 | } | |
348 | ||
ee116b54 | 349 | int bus_link_method_set_domains(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
0b261ac5 | 350 | _cleanup_free_ char *j = NULL; |
d2ec6608 | 351 | Link *l = userdata; |
d2ec6608 LP |
352 | int r; |
353 | ||
354 | assert(message); | |
355 | assert(l); | |
356 | ||
04b764bf LP |
357 | r = verify_unmanaged_link(l, error); |
358 | if (r < 0) | |
359 | return r; | |
360 | ||
ad44b56b | 361 | r = sd_bus_message_enter_container(message, 'a', "(sb)"); |
d2ec6608 LP |
362 | if (r < 0) |
363 | return r; | |
364 | ||
ad44b56b | 365 | for (;;) { |
0b261ac5 | 366 | _cleanup_free_ char *prefixed = NULL; |
ad44b56b LP |
367 | const char *name; |
368 | int route_only; | |
d2ec6608 | 369 | |
ad44b56b | 370 | r = sd_bus_message_read(message, "(sb)", &name, &route_only); |
d2ec6608 LP |
371 | if (r < 0) |
372 | return r; | |
373 | if (r == 0) | |
ad44b56b LP |
374 | break; |
375 | ||
376 | r = dns_name_is_valid(name); | |
377 | if (r < 0) | |
378 | return r; | |
379 | if (r == 0) | |
380 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid search domain %s", name); | |
381 | if (!route_only && dns_name_is_root(name)) | |
d2ec6608 | 382 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Root domain is not suitable as search domain"); |
0b261ac5 LP |
383 | |
384 | if (route_only) { | |
385 | prefixed = strjoin("~", name); | |
386 | if (!prefixed) | |
387 | return -ENOMEM; | |
388 | ||
389 | name = prefixed; | |
390 | } | |
391 | ||
c2bc710b | 392 | if (!strextend_with_separator(&j, ", ", name)) |
0b261ac5 | 393 | return -ENOMEM; |
d2ec6608 LP |
394 | } |
395 | ||
ad44b56b LP |
396 | r = sd_bus_message_rewind(message, false); |
397 | if (r < 0) | |
398 | return r; | |
399 | ||
52aaef0f ZJS |
400 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
401 | "org.freedesktop.resolve1.set-domains", | |
402 | NULL, true, UID_INVALID, | |
403 | &l->manager->polkit_registry, error); | |
404 | if (r < 0) | |
405 | return r; | |
406 | if (r == 0) | |
407 | return 1; /* Polkit will call us back */ | |
408 | ||
1e69eadd LP |
409 | bus_client_log(message, "dns domains change"); |
410 | ||
52aaef0f ZJS |
411 | dns_search_domain_mark_all(l->search_domains); |
412 | ||
ad44b56b | 413 | for (;;) { |
d2ec6608 | 414 | DnsSearchDomain *d; |
ad44b56b LP |
415 | const char *name; |
416 | int route_only; | |
d2ec6608 | 417 | |
ad44b56b LP |
418 | r = sd_bus_message_read(message, "(sb)", &name, &route_only); |
419 | if (r < 0) | |
420 | goto clear; | |
421 | if (r == 0) | |
422 | break; | |
423 | ||
424 | r = dns_search_domain_find(l->search_domains, name, &d); | |
d2ec6608 LP |
425 | if (r < 0) |
426 | goto clear; | |
427 | ||
428 | if (r > 0) | |
429 | dns_search_domain_move_back_and_unmark(d); | |
430 | else { | |
ad44b56b | 431 | r = dns_search_domain_new(l->manager, &d, DNS_SEARCH_DOMAIN_LINK, l, name); |
d2ec6608 LP |
432 | if (r < 0) |
433 | goto clear; | |
434 | } | |
ad44b56b LP |
435 | |
436 | d->route_only = route_only; | |
d2ec6608 LP |
437 | } |
438 | ||
ad44b56b LP |
439 | r = sd_bus_message_exit_container(message); |
440 | if (r < 0) | |
441 | goto clear; | |
442 | ||
d2ec6608 | 443 | dns_search_domain_unlink_marked(l->search_domains); |
7207052d | 444 | |
943ef07c | 445 | (void) link_save_user(l); |
7207052d LP |
446 | (void) manager_write_resolv_conf(l->manager); |
447 | ||
0b261ac5 LP |
448 | if (j) |
449 | log_link_info(l, "Bus client set search domain list to: %s", j); | |
450 | else | |
451 | log_link_info(l, "Bus client reset search domain list."); | |
452 | ||
d2ec6608 LP |
453 | return sd_bus_reply_method_return(message, NULL); |
454 | ||
455 | clear: | |
456 | dns_search_domain_unlink_all(l->search_domains); | |
457 | return r; | |
458 | } | |
459 | ||
77673795 LP |
460 | int bus_link_method_set_default_route(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
461 | Link *l = userdata; | |
462 | int r, b; | |
463 | ||
464 | assert(message); | |
465 | assert(l); | |
466 | ||
467 | r = verify_unmanaged_link(l, error); | |
468 | if (r < 0) | |
469 | return r; | |
470 | ||
471 | r = sd_bus_message_read(message, "b", &b); | |
472 | if (r < 0) | |
473 | return r; | |
474 | ||
52aaef0f ZJS |
475 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
476 | "org.freedesktop.resolve1.set-default-route", | |
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 | ||
1e69eadd LP |
484 | bus_client_log(message, "dns default route change"); |
485 | ||
77673795 LP |
486 | if (l->default_route != b) { |
487 | l->default_route = b; | |
488 | ||
489 | (void) link_save_user(l); | |
490 | (void) manager_write_resolv_conf(l->manager); | |
491 | } | |
492 | ||
0b261ac5 LP |
493 | log_link_info(l, "Bus client set default route setting: %s", yes_no(b)); |
494 | ||
77673795 LP |
495 | return sd_bus_reply_method_return(message, NULL); |
496 | } | |
497 | ||
d2ec6608 LP |
498 | int bus_link_method_set_llmnr(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
499 | Link *l = userdata; | |
500 | ResolveSupport mode; | |
501 | const char *llmnr; | |
502 | int r; | |
503 | ||
504 | assert(message); | |
505 | assert(l); | |
506 | ||
04b764bf LP |
507 | r = verify_unmanaged_link(l, error); |
508 | if (r < 0) | |
509 | return r; | |
510 | ||
d2ec6608 LP |
511 | r = sd_bus_message_read(message, "s", &llmnr); |
512 | if (r < 0) | |
513 | return r; | |
514 | ||
515 | if (isempty(llmnr)) | |
516 | mode = RESOLVE_SUPPORT_YES; | |
517 | else { | |
518 | mode = resolve_support_from_string(llmnr); | |
519 | if (mode < 0) | |
520 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid LLMNR setting: %s", llmnr); | |
521 | } | |
522 | ||
52aaef0f ZJS |
523 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
524 | "org.freedesktop.resolve1.set-llmnr", | |
525 | NULL, true, UID_INVALID, | |
526 | &l->manager->polkit_registry, error); | |
527 | if (r < 0) | |
528 | return r; | |
529 | if (r == 0) | |
530 | return 1; /* Polkit will call us back */ | |
531 | ||
1e69eadd LP |
532 | bus_client_log(message, "LLMNR change"); |
533 | ||
d2ec6608 LP |
534 | l->llmnr_support = mode; |
535 | link_allocate_scopes(l); | |
536 | link_add_rrs(l, false); | |
537 | ||
943ef07c LP |
538 | (void) link_save_user(l); |
539 | ||
0b261ac5 LP |
540 | log_link_info(l, "Bus client set LLMNR setting: %s", resolve_support_to_string(mode)); |
541 | ||
d2ec6608 LP |
542 | return sd_bus_reply_method_return(message, NULL); |
543 | } | |
544 | ||
545 | int bus_link_method_set_mdns(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
546 | Link *l = userdata; | |
547 | ResolveSupport mode; | |
548 | const char *mdns; | |
549 | int r; | |
550 | ||
551 | assert(message); | |
552 | assert(l); | |
553 | ||
04b764bf LP |
554 | r = verify_unmanaged_link(l, error); |
555 | if (r < 0) | |
556 | return r; | |
557 | ||
d2ec6608 LP |
558 | r = sd_bus_message_read(message, "s", &mdns); |
559 | if (r < 0) | |
560 | return r; | |
561 | ||
562 | if (isempty(mdns)) | |
563 | mode = RESOLVE_SUPPORT_NO; | |
564 | else { | |
565 | mode = resolve_support_from_string(mdns); | |
566 | if (mode < 0) | |
567 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid MulticastDNS setting: %s", mdns); | |
568 | } | |
569 | ||
52aaef0f ZJS |
570 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
571 | "org.freedesktop.resolve1.set-mdns", | |
572 | NULL, true, UID_INVALID, | |
573 | &l->manager->polkit_registry, error); | |
574 | if (r < 0) | |
575 | return r; | |
576 | if (r == 0) | |
577 | return 1; /* Polkit will call us back */ | |
578 | ||
1e69eadd LP |
579 | bus_client_log(message, "mDNS change"); |
580 | ||
d2ec6608 LP |
581 | l->mdns_support = mode; |
582 | link_allocate_scopes(l); | |
583 | link_add_rrs(l, false); | |
584 | ||
943ef07c LP |
585 | (void) link_save_user(l); |
586 | ||
0b261ac5 LP |
587 | log_link_info(l, "Bus client set MulticastDNS setting: %s", resolve_support_to_string(mode)); |
588 | ||
d2ec6608 LP |
589 | return sd_bus_reply_method_return(message, NULL); |
590 | } | |
591 | ||
c9299be2 | 592 | int bus_link_method_set_dns_over_tls(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
d050561a | 593 | Link *l = userdata; |
c9299be2 IT |
594 | const char *dns_over_tls; |
595 | DnsOverTlsMode mode; | |
d050561a IT |
596 | int r; |
597 | ||
598 | assert(message); | |
599 | assert(l); | |
600 | ||
601 | r = verify_unmanaged_link(l, error); | |
602 | if (r < 0) | |
603 | return r; | |
604 | ||
c9299be2 | 605 | r = sd_bus_message_read(message, "s", &dns_over_tls); |
d050561a IT |
606 | if (r < 0) |
607 | return r; | |
608 | ||
c9299be2 IT |
609 | if (isempty(dns_over_tls)) |
610 | mode = _DNS_OVER_TLS_MODE_INVALID; | |
d050561a | 611 | else { |
c9299be2 | 612 | mode = dns_over_tls_mode_from_string(dns_over_tls); |
d050561a | 613 | if (mode < 0) |
c9299be2 | 614 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid DNSOverTLS setting: %s", dns_over_tls); |
d050561a IT |
615 | } |
616 | ||
52aaef0f ZJS |
617 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
618 | "org.freedesktop.resolve1.set-dns-over-tls", | |
619 | NULL, true, UID_INVALID, | |
620 | &l->manager->polkit_registry, error); | |
621 | if (r < 0) | |
622 | return r; | |
623 | if (r == 0) | |
624 | return 1; /* Polkit will call us back */ | |
625 | ||
1e69eadd LP |
626 | bus_client_log(message, "D-o-T change"); |
627 | ||
c9299be2 | 628 | link_set_dns_over_tls_mode(l, mode); |
d050561a IT |
629 | |
630 | (void) link_save_user(l); | |
631 | ||
0b261ac5 LP |
632 | log_link_info(l, "Bus client set DNSOverTLS setting: %s", |
633 | mode < 0 ? "default" : dns_over_tls_mode_to_string(mode)); | |
634 | ||
d050561a IT |
635 | return sd_bus_reply_method_return(message, NULL); |
636 | } | |
637 | ||
d2ec6608 LP |
638 | int bus_link_method_set_dnssec(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
639 | Link *l = userdata; | |
640 | const char *dnssec; | |
641 | DnssecMode mode; | |
642 | int r; | |
643 | ||
644 | assert(message); | |
645 | assert(l); | |
646 | ||
04b764bf LP |
647 | r = verify_unmanaged_link(l, error); |
648 | if (r < 0) | |
649 | return r; | |
650 | ||
d2ec6608 LP |
651 | r = sd_bus_message_read(message, "s", &dnssec); |
652 | if (r < 0) | |
653 | return r; | |
654 | ||
655 | if (isempty(dnssec)) | |
656 | mode = _DNSSEC_MODE_INVALID; | |
657 | else { | |
658 | mode = dnssec_mode_from_string(dnssec); | |
659 | if (mode < 0) | |
660 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid DNSSEC setting: %s", dnssec); | |
661 | } | |
662 | ||
52aaef0f ZJS |
663 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
664 | "org.freedesktop.resolve1.set-dnssec", | |
665 | NULL, true, UID_INVALID, | |
666 | &l->manager->polkit_registry, error); | |
667 | if (r < 0) | |
668 | return r; | |
669 | if (r == 0) | |
670 | return 1; /* Polkit will call us back */ | |
671 | ||
1e69eadd LP |
672 | bus_client_log(message, "DNSSEC change"); |
673 | ||
d2ec6608 LP |
674 | link_set_dnssec_mode(l, mode); |
675 | ||
943ef07c LP |
676 | (void) link_save_user(l); |
677 | ||
0b261ac5 LP |
678 | log_link_info(l, "Bus client set DNSSEC setting: %s", |
679 | mode < 0 ? "default" : dnssec_mode_to_string(mode)); | |
680 | ||
d2ec6608 LP |
681 | return sd_bus_reply_method_return(message, NULL); |
682 | } | |
683 | ||
684 | int bus_link_method_set_dnssec_negative_trust_anchors(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
685 | _cleanup_set_free_free_ Set *ns = NULL; | |
c6d92582 | 686 | _cleanup_strv_free_ char **ntas = NULL; |
0b261ac5 | 687 | _cleanup_free_ char *j = NULL; |
d2ec6608 LP |
688 | Link *l = userdata; |
689 | int r; | |
690 | char **i; | |
691 | ||
692 | assert(message); | |
693 | assert(l); | |
694 | ||
04b764bf LP |
695 | r = verify_unmanaged_link(l, error); |
696 | if (r < 0) | |
697 | return r; | |
698 | ||
ab77c879 ZJS |
699 | ns = set_new(&dns_name_hash_ops); |
700 | if (!ns) | |
701 | return -ENOMEM; | |
702 | ||
d2ec6608 LP |
703 | r = sd_bus_message_read_strv(message, &ntas); |
704 | if (r < 0) | |
705 | return r; | |
706 | ||
707 | STRV_FOREACH(i, ntas) { | |
708 | r = dns_name_is_valid(*i); | |
709 | if (r < 0) | |
710 | return r; | |
711 | if (r == 0) | |
ab77c879 ZJS |
712 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, |
713 | "Invalid negative trust anchor domain: %s", *i); | |
d2ec6608 | 714 | |
be327321 | 715 | r = set_put_strdup(&ns, *i); |
d2ec6608 LP |
716 | if (r < 0) |
717 | return r; | |
0b261ac5 | 718 | |
c2bc710b | 719 | if (!strextend_with_separator(&j, ", ", *i)) |
0b261ac5 | 720 | return -ENOMEM; |
d2ec6608 LP |
721 | } |
722 | ||
52aaef0f ZJS |
723 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
724 | "org.freedesktop.resolve1.set-dnssec-negative-trust-anchors", | |
725 | NULL, true, UID_INVALID, | |
726 | &l->manager->polkit_registry, error); | |
727 | if (r < 0) | |
728 | return r; | |
729 | if (r == 0) | |
730 | return 1; /* Polkit will call us back */ | |
731 | ||
1e69eadd LP |
732 | bus_client_log(message, "DNSSEC NTA change"); |
733 | ||
d2ec6608 | 734 | set_free_free(l->dnssec_negative_trust_anchors); |
ae2a15bc | 735 | l->dnssec_negative_trust_anchors = TAKE_PTR(ns); |
d2ec6608 | 736 | |
943ef07c LP |
737 | (void) link_save_user(l); |
738 | ||
0b261ac5 LP |
739 | if (j) |
740 | log_link_info(l, "Bus client set NTA list to: %s", j); | |
741 | else | |
742 | log_link_info(l, "Bus client reset NTA list."); | |
743 | ||
d2ec6608 LP |
744 | return sd_bus_reply_method_return(message, NULL); |
745 | } | |
746 | ||
747 | int bus_link_method_revert(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
748 | Link *l = userdata; | |
04b764bf | 749 | int r; |
d2ec6608 LP |
750 | |
751 | assert(message); | |
752 | assert(l); | |
753 | ||
04b764bf LP |
754 | r = verify_unmanaged_link(l, error); |
755 | if (r < 0) | |
756 | return r; | |
757 | ||
52aaef0f ZJS |
758 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
759 | "org.freedesktop.resolve1.revert", | |
760 | NULL, true, UID_INVALID, | |
761 | &l->manager->polkit_registry, error); | |
762 | if (r < 0) | |
763 | return r; | |
764 | if (r == 0) | |
765 | return 1; /* Polkit will call us back */ | |
766 | ||
1e69eadd LP |
767 | bus_client_log(message, "revert"); |
768 | ||
d2ec6608 LP |
769 | link_flush_settings(l); |
770 | link_allocate_scopes(l); | |
771 | link_add_rrs(l, false); | |
772 | ||
943ef07c | 773 | (void) link_save_user(l); |
7207052d | 774 | (void) manager_write_resolv_conf(l->manager); |
5f3340ca | 775 | (void) manager_send_changed(l->manager, "DNS"); |
7207052d | 776 | |
d2ec6608 LP |
777 | return sd_bus_reply_method_return(message, NULL); |
778 | } | |
779 | ||
8d128089 | 780 | static int link_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) { |
3abaabda LP |
781 | _cleanup_free_ char *e = NULL; |
782 | Manager *m = userdata; | |
3abaabda | 783 | Link *link; |
597da51b | 784 | int ifindex, r; |
3abaabda LP |
785 | |
786 | assert(bus); | |
787 | assert(path); | |
788 | assert(interface); | |
789 | assert(found); | |
790 | assert(m); | |
791 | ||
792 | r = sd_bus_path_decode(path, "/org/freedesktop/resolve1/link", &e); | |
793 | if (r <= 0) | |
794 | return 0; | |
795 | ||
597da51b ZJS |
796 | ifindex = parse_ifindex(e); |
797 | if (ifindex < 0) | |
3abaabda LP |
798 | return 0; |
799 | ||
800 | link = hashmap_get(m->links, INT_TO_PTR(ifindex)); | |
801 | if (!link) | |
802 | return 0; | |
803 | ||
804 | *found = link; | |
805 | return 1; | |
806 | } | |
807 | ||
0a6c0745 ZJS |
808 | char *link_bus_path(const Link *link) { |
809 | char *p, ifindex[DECIMAL_STR_MAX(link->ifindex)]; | |
3abaabda LP |
810 | int r; |
811 | ||
812 | assert(link); | |
813 | ||
0a6c0745 | 814 | xsprintf(ifindex, "%i", link->ifindex); |
3abaabda LP |
815 | |
816 | r = sd_bus_path_encode("/org/freedesktop/resolve1/link", ifindex, &p); | |
817 | if (r < 0) | |
818 | return NULL; | |
819 | ||
820 | return p; | |
821 | } | |
822 | ||
8d128089 | 823 | static int link_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) { |
3abaabda LP |
824 | _cleanup_strv_free_ char **l = NULL; |
825 | Manager *m = userdata; | |
826 | Link *link; | |
3abaabda LP |
827 | unsigned c = 0; |
828 | ||
829 | assert(bus); | |
830 | assert(path); | |
831 | assert(m); | |
832 | assert(nodes); | |
833 | ||
834 | l = new0(char*, hashmap_size(m->links) + 1); | |
835 | if (!l) | |
836 | return -ENOMEM; | |
837 | ||
90e74a66 | 838 | HASHMAP_FOREACH(link, m->links) { |
3abaabda LP |
839 | char *p; |
840 | ||
841 | p = link_bus_path(link); | |
842 | if (!p) | |
843 | return -ENOMEM; | |
844 | ||
845 | l[c++] = p; | |
846 | } | |
847 | ||
848 | l[c] = NULL; | |
ae2a15bc | 849 | *nodes = TAKE_PTR(l); |
3abaabda LP |
850 | |
851 | return 1; | |
852 | } | |
8d128089 ZJS |
853 | |
854 | static const sd_bus_vtable link_vtable[] = { | |
855 | SD_BUS_VTABLE_START(0), | |
856 | ||
857 | SD_BUS_PROPERTY("ScopesMask", "t", property_get_scopes_mask, 0, 0), | |
858 | SD_BUS_PROPERTY("DNS", "a(iay)", property_get_dns, 0, 0), | |
8e56ea4c | 859 | SD_BUS_PROPERTY("DNSEx", "a(iayqs)", property_get_dns_ex, 0, 0), |
8d128089 | 860 | SD_BUS_PROPERTY("CurrentDNSServer", "(iay)", property_get_current_dns_server, offsetof(Link, current_dns_server), 0), |
8e56ea4c | 861 | SD_BUS_PROPERTY("CurrentDNSServerEx", "(iayqs)", property_get_current_dns_server_ex, offsetof(Link, current_dns_server), 0), |
8d128089 ZJS |
862 | SD_BUS_PROPERTY("Domains", "a(sb)", property_get_domains, 0, 0), |
863 | SD_BUS_PROPERTY("DefaultRoute", "b", property_get_default_route, 0, 0), | |
864 | SD_BUS_PROPERTY("LLMNR", "s", bus_property_get_resolve_support, offsetof(Link, llmnr_support), 0), | |
865 | SD_BUS_PROPERTY("MulticastDNS", "s", bus_property_get_resolve_support, offsetof(Link, mdns_support), 0), | |
866 | SD_BUS_PROPERTY("DNSOverTLS", "s", property_get_dns_over_tls_mode, 0, 0), | |
867 | SD_BUS_PROPERTY("DNSSEC", "s", property_get_dnssec_mode, 0, 0), | |
868 | SD_BUS_PROPERTY("DNSSECNegativeTrustAnchors", "as", property_get_ntas, 0, 0), | |
869 | SD_BUS_PROPERTY("DNSSECSupported", "b", property_get_dnssec_supported, 0, 0), | |
870 | ||
ba5a389d ZJS |
871 | SD_BUS_METHOD_WITH_ARGS("SetDNS", |
872 | SD_BUS_ARGS("a(iay)", addresses), | |
873 | SD_BUS_NO_RESULT, | |
874 | bus_link_method_set_dns_servers, | |
875 | SD_BUS_VTABLE_UNPRIVILEGED), | |
95ce1ba8 YW |
876 | SD_BUS_METHOD_WITH_ARGS("SetDNSEx", |
877 | SD_BUS_ARGS("a(iayqs)", addresses), | |
878 | SD_BUS_NO_RESULT, | |
879 | bus_link_method_set_dns_servers_ex, | |
880 | SD_BUS_VTABLE_UNPRIVILEGED), | |
ba5a389d ZJS |
881 | SD_BUS_METHOD_WITH_ARGS("SetDomains", |
882 | SD_BUS_ARGS("a(sb)", domains), | |
883 | SD_BUS_NO_RESULT, | |
884 | bus_link_method_set_domains, | |
885 | SD_BUS_VTABLE_UNPRIVILEGED), | |
886 | SD_BUS_METHOD_WITH_ARGS("SetDefaultRoute", | |
887 | SD_BUS_ARGS("b", enable), | |
888 | SD_BUS_NO_RESULT, | |
889 | bus_link_method_set_default_route, | |
890 | SD_BUS_VTABLE_UNPRIVILEGED), | |
891 | SD_BUS_METHOD_WITH_ARGS("SetLLMNR", | |
892 | SD_BUS_ARGS("s", mode), | |
893 | SD_BUS_NO_RESULT, | |
894 | bus_link_method_set_llmnr, | |
895 | SD_BUS_VTABLE_UNPRIVILEGED), | |
896 | SD_BUS_METHOD_WITH_ARGS("SetMulticastDNS", | |
897 | SD_BUS_ARGS("s", mode), | |
898 | SD_BUS_NO_RESULT, | |
899 | bus_link_method_set_mdns, | |
900 | SD_BUS_VTABLE_UNPRIVILEGED), | |
901 | SD_BUS_METHOD_WITH_ARGS("SetDNSOverTLS", | |
902 | SD_BUS_ARGS("s", mode), | |
903 | SD_BUS_NO_RESULT, | |
904 | bus_link_method_set_dns_over_tls, | |
905 | SD_BUS_VTABLE_UNPRIVILEGED), | |
906 | SD_BUS_METHOD_WITH_ARGS("SetDNSSEC", | |
907 | SD_BUS_ARGS("s", mode), | |
908 | SD_BUS_NO_RESULT, | |
909 | bus_link_method_set_dnssec, | |
910 | SD_BUS_VTABLE_UNPRIVILEGED), | |
911 | SD_BUS_METHOD_WITH_ARGS("SetDNSSECNegativeTrustAnchors", | |
912 | SD_BUS_ARGS("as", names), | |
913 | SD_BUS_NO_RESULT, | |
914 | bus_link_method_set_dnssec_negative_trust_anchors, | |
915 | SD_BUS_VTABLE_UNPRIVILEGED), | |
916 | SD_BUS_METHOD_WITH_ARGS("Revert", | |
917 | SD_BUS_NO_ARGS, | |
918 | SD_BUS_NO_RESULT, | |
919 | bus_link_method_revert, | |
920 | SD_BUS_VTABLE_UNPRIVILEGED), | |
8d128089 ZJS |
921 | |
922 | SD_BUS_VTABLE_END | |
923 | }; | |
924 | ||
925 | const BusObjectImplementation link_object = { | |
926 | "/org/freedesktop/resolve1/link", | |
927 | "org.freedesktop.resolve1.Link", | |
928 | .fallback_vtables = BUS_FALLBACK_VTABLES({link_vtable, link_object_find}), | |
929 | .node_enumerator = link_node_enumerator, | |
930 | }; |