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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" |
269e4d2d | 9 | #include "bus-polkit.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" |
0a6c0745 | 16 | #include "stdio-util.h" |
3abaabda | 17 | #include "strv.h" |
52aaef0f | 18 | #include "user-util.h" |
3abaabda | 19 | |
acd380c4 YW |
20 | static BUS_DEFINE_PROPERTY_GET(property_get_dnssec_supported, "b", Link, link_dnssec_supported); |
21 | static BUS_DEFINE_PROPERTY_GET2(property_get_dnssec_mode, "s", Link, link_get_dnssec_mode, dnssec_mode_to_string); | |
3abaabda | 22 | |
c9299be2 | 23 | static int property_get_dns_over_tls_mode( |
d050561a IT |
24 | sd_bus *bus, |
25 | const char *path, | |
26 | const char *interface, | |
27 | const char *property, | |
28 | sd_bus_message *reply, | |
29 | void *userdata, | |
30 | sd_bus_error *error) { | |
31 | ||
32 | Link *l = userdata; | |
33 | ||
34 | assert(reply); | |
35 | assert(l); | |
36 | ||
c9299be2 | 37 | return sd_bus_message_append(reply, "s", dns_over_tls_mode_to_string(link_get_dns_over_tls_mode(l))); |
d050561a IT |
38 | } |
39 | ||
3abaabda LP |
40 | static int property_get_dns( |
41 | sd_bus *bus, | |
42 | const char *path, | |
43 | const char *interface, | |
44 | const char *property, | |
45 | sd_bus_message *reply, | |
46 | void *userdata, | |
47 | sd_bus_error *error) { | |
48 | ||
49 | Link *l = userdata; | |
50 | DnsServer *s; | |
51 | int r; | |
52 | ||
53 | assert(reply); | |
54 | assert(l); | |
55 | ||
56 | r = sd_bus_message_open_container(reply, 'a', "(iay)"); | |
57 | if (r < 0) | |
58 | return r; | |
59 | ||
60 | LIST_FOREACH(servers, s, l->dns_servers) { | |
61 | r = bus_dns_server_append(reply, s, false); | |
62 | if (r < 0) | |
63 | return r; | |
64 | } | |
65 | ||
66 | return sd_bus_message_close_container(reply); | |
67 | } | |
68 | ||
b7ac92cd YW |
69 | static int property_get_current_dns_server( |
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 | DnsServer *s; | |
79 | ||
80 | assert(reply); | |
81 | assert(userdata); | |
82 | ||
83 | s = *(DnsServer **) userdata; | |
84 | ||
85 | return bus_dns_server_append(reply, s, false); | |
86 | } | |
87 | ||
3abaabda LP |
88 | static int property_get_domains( |
89 | sd_bus *bus, | |
90 | const char *path, | |
91 | const char *interface, | |
92 | const char *property, | |
93 | sd_bus_message *reply, | |
94 | void *userdata, | |
95 | sd_bus_error *error) { | |
96 | ||
97 | Link *l = userdata; | |
98 | DnsSearchDomain *d; | |
99 | int r; | |
100 | ||
101 | assert(reply); | |
102 | assert(l); | |
103 | ||
ad44b56b | 104 | r = sd_bus_message_open_container(reply, 'a', "(sb)"); |
3abaabda LP |
105 | if (r < 0) |
106 | return r; | |
107 | ||
108 | LIST_FOREACH(domains, d, l->search_domains) { | |
ad44b56b | 109 | r = sd_bus_message_append(reply, "(sb)", d->name, d->route_only); |
3abaabda LP |
110 | if (r < 0) |
111 | return r; | |
112 | } | |
113 | ||
114 | return sd_bus_message_close_container(reply); | |
115 | } | |
116 | ||
77673795 LP |
117 | static int property_get_default_route( |
118 | sd_bus *bus, | |
119 | const char *path, | |
120 | const char *interface, | |
121 | const char *property, | |
122 | sd_bus_message *reply, | |
123 | void *userdata, | |
124 | sd_bus_error *error) { | |
125 | ||
126 | Link *l = userdata; | |
127 | ||
128 | assert(reply); | |
129 | assert(l); | |
130 | ||
131 | /* Return what is configured, if there's something configured */ | |
132 | if (l->default_route >= 0) | |
133 | return sd_bus_message_append(reply, "b", l->default_route); | |
134 | ||
135 | /* Otherwise report what is in effect */ | |
136 | if (l->unicast_scope) | |
137 | return sd_bus_message_append(reply, "b", dns_scope_is_default_route(l->unicast_scope)); | |
138 | ||
139 | return sd_bus_message_append(reply, "b", false); | |
140 | } | |
141 | ||
3abaabda LP |
142 | static int property_get_scopes_mask( |
143 | sd_bus *bus, | |
144 | const char *path, | |
145 | const char *interface, | |
146 | const char *property, | |
147 | sd_bus_message *reply, | |
148 | void *userdata, | |
149 | sd_bus_error *error) { | |
150 | ||
151 | Link *l = userdata; | |
152 | uint64_t mask; | |
153 | ||
154 | assert(reply); | |
155 | assert(l); | |
156 | ||
157 | mask = (l->unicast_scope ? SD_RESOLVED_DNS : 0) | | |
158 | (l->llmnr_ipv4_scope ? SD_RESOLVED_LLMNR_IPV4 : 0) | | |
159 | (l->llmnr_ipv6_scope ? SD_RESOLVED_LLMNR_IPV6 : 0) | | |
160 | (l->mdns_ipv4_scope ? SD_RESOLVED_MDNS_IPV4 : 0) | | |
161 | (l->mdns_ipv6_scope ? SD_RESOLVED_MDNS_IPV6 : 0); | |
162 | ||
163 | return sd_bus_message_append(reply, "t", mask); | |
164 | } | |
165 | ||
166 | static int property_get_ntas( | |
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 | const char *name; | |
177 | Iterator i; | |
178 | int r; | |
179 | ||
180 | assert(reply); | |
181 | assert(l); | |
182 | ||
183 | r = sd_bus_message_open_container(reply, 'a', "s"); | |
184 | if (r < 0) | |
185 | return r; | |
186 | ||
187 | SET_FOREACH(name, l->dnssec_negative_trust_anchors, i) { | |
188 | r = sd_bus_message_append(reply, "s", name); | |
189 | if (r < 0) | |
190 | return r; | |
191 | } | |
192 | ||
193 | return sd_bus_message_close_container(reply); | |
194 | } | |
195 | ||
04b764bf LP |
196 | static int verify_unmanaged_link(Link *l, sd_bus_error *error) { |
197 | assert(l); | |
198 | ||
199 | if (l->flags & IFF_LOOPBACK) | |
6ff79f76 | 200 | return sd_bus_error_setf(error, BUS_ERROR_LINK_BUSY, "Link %s is loopback device.", l->ifname); |
04b764bf | 201 | if (l->is_managed) |
6ff79f76 | 202 | return sd_bus_error_setf(error, BUS_ERROR_LINK_BUSY, "Link %s is managed.", l->ifname); |
04b764bf LP |
203 | |
204 | return 0; | |
205 | } | |
206 | ||
d2ec6608 LP |
207 | int bus_link_method_set_dns_servers(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
208 | _cleanup_free_ struct in_addr_data *dns = NULL; | |
209 | size_t allocated = 0, n = 0; | |
210 | Link *l = userdata; | |
211 | unsigned i; | |
212 | int r; | |
213 | ||
214 | assert(message); | |
215 | assert(l); | |
216 | ||
04b764bf LP |
217 | r = verify_unmanaged_link(l, error); |
218 | if (r < 0) | |
219 | return r; | |
220 | ||
d2ec6608 LP |
221 | r = sd_bus_message_enter_container(message, 'a', "(iay)"); |
222 | if (r < 0) | |
223 | return r; | |
224 | ||
225 | for (;;) { | |
226 | int family; | |
227 | size_t sz; | |
228 | const void *d; | |
229 | ||
230 | assert_cc(sizeof(int) == sizeof(int32_t)); | |
231 | ||
232 | r = sd_bus_message_enter_container(message, 'r', "iay"); | |
233 | if (r < 0) | |
234 | return r; | |
235 | if (r == 0) | |
236 | break; | |
237 | ||
238 | r = sd_bus_message_read(message, "i", &family); | |
239 | if (r < 0) | |
240 | return r; | |
241 | ||
242 | if (!IN_SET(family, AF_INET, AF_INET6)) | |
243 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unknown address family %i", family); | |
244 | ||
245 | r = sd_bus_message_read_array(message, 'y', &d, &sz); | |
246 | if (r < 0) | |
247 | return r; | |
248 | if (sz != FAMILY_ADDRESS_SIZE(family)) | |
249 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid address size"); | |
250 | ||
b30bf55d LP |
251 | if (!dns_server_address_valid(family, d)) |
252 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid DNS server address"); | |
253 | ||
d2ec6608 LP |
254 | r = sd_bus_message_exit_container(message); |
255 | if (r < 0) | |
256 | return r; | |
257 | ||
258 | if (!GREEDY_REALLOC(dns, allocated, n+1)) | |
259 | return -ENOMEM; | |
260 | ||
261 | dns[n].family = family; | |
262 | memcpy(&dns[n].address, d, sz); | |
263 | n++; | |
264 | } | |
265 | ||
266 | r = sd_bus_message_exit_container(message); | |
267 | if (r < 0) | |
268 | return r; | |
269 | ||
52aaef0f ZJS |
270 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
271 | "org.freedesktop.resolve1.set-dns-servers", | |
272 | NULL, true, UID_INVALID, | |
273 | &l->manager->polkit_registry, error); | |
274 | if (r < 0) | |
275 | return r; | |
276 | if (r == 0) | |
277 | return 1; /* Polkit will call us back */ | |
278 | ||
d2ec6608 LP |
279 | dns_server_mark_all(l->dns_servers); |
280 | ||
281 | for (i = 0; i < n; i++) { | |
282 | DnsServer *s; | |
283 | ||
2817157b | 284 | s = dns_server_find(l->dns_servers, dns[i].family, &dns[i].address, 0); |
d2ec6608 LP |
285 | if (s) |
286 | dns_server_move_back_and_unmark(s); | |
287 | else { | |
2e22a54f | 288 | r = dns_server_new(l->manager, NULL, DNS_SERVER_LINK, l, dns[i].family, &dns[i].address, 0, NULL); |
d2ec6608 LP |
289 | if (r < 0) |
290 | goto clear; | |
291 | } | |
292 | ||
293 | } | |
294 | ||
295 | dns_server_unlink_marked(l->dns_servers); | |
296 | link_allocate_scopes(l); | |
297 | ||
943ef07c | 298 | (void) link_save_user(l); |
7207052d | 299 | (void) manager_write_resolv_conf(l->manager); |
5f3340ca | 300 | (void) manager_send_changed(l->manager, "DNS"); |
7207052d | 301 | |
d2ec6608 LP |
302 | return sd_bus_reply_method_return(message, NULL); |
303 | ||
304 | clear: | |
305 | dns_server_unlink_all(l->dns_servers); | |
306 | return r; | |
307 | } | |
308 | ||
ee116b54 | 309 | int bus_link_method_set_domains(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
d2ec6608 | 310 | Link *l = userdata; |
d2ec6608 LP |
311 | int r; |
312 | ||
313 | assert(message); | |
314 | assert(l); | |
315 | ||
04b764bf LP |
316 | r = verify_unmanaged_link(l, error); |
317 | if (r < 0) | |
318 | return r; | |
319 | ||
ad44b56b | 320 | r = sd_bus_message_enter_container(message, 'a', "(sb)"); |
d2ec6608 LP |
321 | if (r < 0) |
322 | return r; | |
323 | ||
ad44b56b LP |
324 | for (;;) { |
325 | const char *name; | |
326 | int route_only; | |
d2ec6608 | 327 | |
ad44b56b | 328 | r = sd_bus_message_read(message, "(sb)", &name, &route_only); |
d2ec6608 LP |
329 | if (r < 0) |
330 | return r; | |
331 | if (r == 0) | |
ad44b56b LP |
332 | break; |
333 | ||
334 | r = dns_name_is_valid(name); | |
335 | if (r < 0) | |
336 | return r; | |
337 | if (r == 0) | |
338 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid search domain %s", name); | |
339 | if (!route_only && dns_name_is_root(name)) | |
d2ec6608 LP |
340 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Root domain is not suitable as search domain"); |
341 | } | |
342 | ||
ad44b56b LP |
343 | r = sd_bus_message_rewind(message, false); |
344 | if (r < 0) | |
345 | return r; | |
346 | ||
52aaef0f ZJS |
347 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
348 | "org.freedesktop.resolve1.set-domains", | |
349 | NULL, true, UID_INVALID, | |
350 | &l->manager->polkit_registry, error); | |
351 | if (r < 0) | |
352 | return r; | |
353 | if (r == 0) | |
354 | return 1; /* Polkit will call us back */ | |
355 | ||
356 | dns_search_domain_mark_all(l->search_domains); | |
357 | ||
ad44b56b | 358 | for (;;) { |
d2ec6608 | 359 | DnsSearchDomain *d; |
ad44b56b LP |
360 | const char *name; |
361 | int route_only; | |
d2ec6608 | 362 | |
ad44b56b LP |
363 | r = sd_bus_message_read(message, "(sb)", &name, &route_only); |
364 | if (r < 0) | |
365 | goto clear; | |
366 | if (r == 0) | |
367 | break; | |
368 | ||
369 | r = dns_search_domain_find(l->search_domains, name, &d); | |
d2ec6608 LP |
370 | if (r < 0) |
371 | goto clear; | |
372 | ||
373 | if (r > 0) | |
374 | dns_search_domain_move_back_and_unmark(d); | |
375 | else { | |
ad44b56b | 376 | r = dns_search_domain_new(l->manager, &d, DNS_SEARCH_DOMAIN_LINK, l, name); |
d2ec6608 LP |
377 | if (r < 0) |
378 | goto clear; | |
379 | } | |
ad44b56b LP |
380 | |
381 | d->route_only = route_only; | |
d2ec6608 LP |
382 | } |
383 | ||
ad44b56b LP |
384 | r = sd_bus_message_exit_container(message); |
385 | if (r < 0) | |
386 | goto clear; | |
387 | ||
d2ec6608 | 388 | dns_search_domain_unlink_marked(l->search_domains); |
7207052d | 389 | |
943ef07c | 390 | (void) link_save_user(l); |
7207052d LP |
391 | (void) manager_write_resolv_conf(l->manager); |
392 | ||
d2ec6608 LP |
393 | return sd_bus_reply_method_return(message, NULL); |
394 | ||
395 | clear: | |
396 | dns_search_domain_unlink_all(l->search_domains); | |
397 | return r; | |
398 | } | |
399 | ||
77673795 LP |
400 | int bus_link_method_set_default_route(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
401 | Link *l = userdata; | |
402 | int r, b; | |
403 | ||
404 | assert(message); | |
405 | assert(l); | |
406 | ||
407 | r = verify_unmanaged_link(l, error); | |
408 | if (r < 0) | |
409 | return r; | |
410 | ||
411 | r = sd_bus_message_read(message, "b", &b); | |
412 | if (r < 0) | |
413 | return r; | |
414 | ||
52aaef0f ZJS |
415 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
416 | "org.freedesktop.resolve1.set-default-route", | |
417 | NULL, true, UID_INVALID, | |
418 | &l->manager->polkit_registry, error); | |
419 | if (r < 0) | |
420 | return r; | |
421 | if (r == 0) | |
422 | return 1; /* Polkit will call us back */ | |
423 | ||
77673795 LP |
424 | if (l->default_route != b) { |
425 | l->default_route = b; | |
426 | ||
427 | (void) link_save_user(l); | |
428 | (void) manager_write_resolv_conf(l->manager); | |
429 | } | |
430 | ||
431 | return sd_bus_reply_method_return(message, NULL); | |
432 | } | |
433 | ||
d2ec6608 LP |
434 | int bus_link_method_set_llmnr(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
435 | Link *l = userdata; | |
436 | ResolveSupport mode; | |
437 | const char *llmnr; | |
438 | int r; | |
439 | ||
440 | assert(message); | |
441 | assert(l); | |
442 | ||
04b764bf LP |
443 | r = verify_unmanaged_link(l, error); |
444 | if (r < 0) | |
445 | return r; | |
446 | ||
d2ec6608 LP |
447 | r = sd_bus_message_read(message, "s", &llmnr); |
448 | if (r < 0) | |
449 | return r; | |
450 | ||
451 | if (isempty(llmnr)) | |
452 | mode = RESOLVE_SUPPORT_YES; | |
453 | else { | |
454 | mode = resolve_support_from_string(llmnr); | |
455 | if (mode < 0) | |
456 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid LLMNR setting: %s", llmnr); | |
457 | } | |
458 | ||
52aaef0f ZJS |
459 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
460 | "org.freedesktop.resolve1.set-llmnr", | |
461 | NULL, true, UID_INVALID, | |
462 | &l->manager->polkit_registry, error); | |
463 | if (r < 0) | |
464 | return r; | |
465 | if (r == 0) | |
466 | return 1; /* Polkit will call us back */ | |
467 | ||
d2ec6608 LP |
468 | l->llmnr_support = mode; |
469 | link_allocate_scopes(l); | |
470 | link_add_rrs(l, false); | |
471 | ||
943ef07c LP |
472 | (void) link_save_user(l); |
473 | ||
d2ec6608 LP |
474 | return sd_bus_reply_method_return(message, NULL); |
475 | } | |
476 | ||
477 | int bus_link_method_set_mdns(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
478 | Link *l = userdata; | |
479 | ResolveSupport mode; | |
480 | const char *mdns; | |
481 | int r; | |
482 | ||
483 | assert(message); | |
484 | assert(l); | |
485 | ||
04b764bf LP |
486 | r = verify_unmanaged_link(l, error); |
487 | if (r < 0) | |
488 | return r; | |
489 | ||
d2ec6608 LP |
490 | r = sd_bus_message_read(message, "s", &mdns); |
491 | if (r < 0) | |
492 | return r; | |
493 | ||
494 | if (isempty(mdns)) | |
495 | mode = RESOLVE_SUPPORT_NO; | |
496 | else { | |
497 | mode = resolve_support_from_string(mdns); | |
498 | if (mode < 0) | |
499 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid MulticastDNS setting: %s", mdns); | |
500 | } | |
501 | ||
52aaef0f ZJS |
502 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
503 | "org.freedesktop.resolve1.set-mdns", | |
504 | NULL, true, UID_INVALID, | |
505 | &l->manager->polkit_registry, error); | |
506 | if (r < 0) | |
507 | return r; | |
508 | if (r == 0) | |
509 | return 1; /* Polkit will call us back */ | |
510 | ||
d2ec6608 LP |
511 | l->mdns_support = mode; |
512 | link_allocate_scopes(l); | |
513 | link_add_rrs(l, false); | |
514 | ||
943ef07c LP |
515 | (void) link_save_user(l); |
516 | ||
d2ec6608 LP |
517 | return sd_bus_reply_method_return(message, NULL); |
518 | } | |
519 | ||
c9299be2 | 520 | int bus_link_method_set_dns_over_tls(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
d050561a | 521 | Link *l = userdata; |
c9299be2 IT |
522 | const char *dns_over_tls; |
523 | DnsOverTlsMode mode; | |
d050561a IT |
524 | int r; |
525 | ||
526 | assert(message); | |
527 | assert(l); | |
528 | ||
529 | r = verify_unmanaged_link(l, error); | |
530 | if (r < 0) | |
531 | return r; | |
532 | ||
c9299be2 | 533 | r = sd_bus_message_read(message, "s", &dns_over_tls); |
d050561a IT |
534 | if (r < 0) |
535 | return r; | |
536 | ||
c9299be2 IT |
537 | if (isempty(dns_over_tls)) |
538 | mode = _DNS_OVER_TLS_MODE_INVALID; | |
d050561a | 539 | else { |
c9299be2 | 540 | mode = dns_over_tls_mode_from_string(dns_over_tls); |
d050561a | 541 | if (mode < 0) |
c9299be2 | 542 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid DNSOverTLS setting: %s", dns_over_tls); |
d050561a IT |
543 | } |
544 | ||
52aaef0f ZJS |
545 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
546 | "org.freedesktop.resolve1.set-dns-over-tls", | |
547 | NULL, true, UID_INVALID, | |
548 | &l->manager->polkit_registry, error); | |
549 | if (r < 0) | |
550 | return r; | |
551 | if (r == 0) | |
552 | return 1; /* Polkit will call us back */ | |
553 | ||
c9299be2 | 554 | link_set_dns_over_tls_mode(l, mode); |
d050561a IT |
555 | |
556 | (void) link_save_user(l); | |
557 | ||
558 | return sd_bus_reply_method_return(message, NULL); | |
559 | } | |
560 | ||
d2ec6608 LP |
561 | int bus_link_method_set_dnssec(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
562 | Link *l = userdata; | |
563 | const char *dnssec; | |
564 | DnssecMode mode; | |
565 | int r; | |
566 | ||
567 | assert(message); | |
568 | assert(l); | |
569 | ||
04b764bf LP |
570 | r = verify_unmanaged_link(l, error); |
571 | if (r < 0) | |
572 | return r; | |
573 | ||
d2ec6608 LP |
574 | r = sd_bus_message_read(message, "s", &dnssec); |
575 | if (r < 0) | |
576 | return r; | |
577 | ||
578 | if (isempty(dnssec)) | |
579 | mode = _DNSSEC_MODE_INVALID; | |
580 | else { | |
581 | mode = dnssec_mode_from_string(dnssec); | |
582 | if (mode < 0) | |
583 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid DNSSEC setting: %s", dnssec); | |
584 | } | |
585 | ||
52aaef0f ZJS |
586 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
587 | "org.freedesktop.resolve1.set-dnssec", | |
588 | NULL, true, UID_INVALID, | |
589 | &l->manager->polkit_registry, error); | |
590 | if (r < 0) | |
591 | return r; | |
592 | if (r == 0) | |
593 | return 1; /* Polkit will call us back */ | |
594 | ||
d2ec6608 LP |
595 | link_set_dnssec_mode(l, mode); |
596 | ||
943ef07c LP |
597 | (void) link_save_user(l); |
598 | ||
d2ec6608 LP |
599 | return sd_bus_reply_method_return(message, NULL); |
600 | } | |
601 | ||
602 | int bus_link_method_set_dnssec_negative_trust_anchors(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
603 | _cleanup_set_free_free_ Set *ns = NULL; | |
c6d92582 | 604 | _cleanup_strv_free_ char **ntas = NULL; |
d2ec6608 LP |
605 | Link *l = userdata; |
606 | int r; | |
607 | char **i; | |
608 | ||
609 | assert(message); | |
610 | assert(l); | |
611 | ||
04b764bf LP |
612 | r = verify_unmanaged_link(l, error); |
613 | if (r < 0) | |
614 | return r; | |
615 | ||
ab77c879 ZJS |
616 | ns = set_new(&dns_name_hash_ops); |
617 | if (!ns) | |
618 | return -ENOMEM; | |
619 | ||
d2ec6608 LP |
620 | r = sd_bus_message_read_strv(message, &ntas); |
621 | if (r < 0) | |
622 | return r; | |
623 | ||
624 | STRV_FOREACH(i, ntas) { | |
625 | r = dns_name_is_valid(*i); | |
626 | if (r < 0) | |
627 | return r; | |
628 | if (r == 0) | |
ab77c879 ZJS |
629 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, |
630 | "Invalid negative trust anchor domain: %s", *i); | |
d2ec6608 | 631 | |
d2ec6608 LP |
632 | r = set_put_strdup(ns, *i); |
633 | if (r < 0) | |
634 | return r; | |
635 | } | |
636 | ||
52aaef0f ZJS |
637 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
638 | "org.freedesktop.resolve1.set-dnssec-negative-trust-anchors", | |
639 | NULL, true, UID_INVALID, | |
640 | &l->manager->polkit_registry, error); | |
641 | if (r < 0) | |
642 | return r; | |
643 | if (r == 0) | |
644 | return 1; /* Polkit will call us back */ | |
645 | ||
d2ec6608 | 646 | set_free_free(l->dnssec_negative_trust_anchors); |
ae2a15bc | 647 | l->dnssec_negative_trust_anchors = TAKE_PTR(ns); |
d2ec6608 | 648 | |
943ef07c LP |
649 | (void) link_save_user(l); |
650 | ||
d2ec6608 LP |
651 | return sd_bus_reply_method_return(message, NULL); |
652 | } | |
653 | ||
654 | int bus_link_method_revert(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
655 | Link *l = userdata; | |
04b764bf | 656 | int r; |
d2ec6608 LP |
657 | |
658 | assert(message); | |
659 | assert(l); | |
660 | ||
04b764bf LP |
661 | r = verify_unmanaged_link(l, error); |
662 | if (r < 0) | |
663 | return r; | |
664 | ||
52aaef0f ZJS |
665 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
666 | "org.freedesktop.resolve1.revert", | |
667 | NULL, true, UID_INVALID, | |
668 | &l->manager->polkit_registry, error); | |
669 | if (r < 0) | |
670 | return r; | |
671 | if (r == 0) | |
672 | return 1; /* Polkit will call us back */ | |
673 | ||
d2ec6608 LP |
674 | link_flush_settings(l); |
675 | link_allocate_scopes(l); | |
676 | link_add_rrs(l, false); | |
677 | ||
943ef07c | 678 | (void) link_save_user(l); |
7207052d | 679 | (void) manager_write_resolv_conf(l->manager); |
5f3340ca | 680 | (void) manager_send_changed(l->manager, "DNS"); |
7207052d | 681 | |
d2ec6608 LP |
682 | return sd_bus_reply_method_return(message, NULL); |
683 | } | |
684 | ||
8d128089 | 685 | static int link_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) { |
3abaabda LP |
686 | _cleanup_free_ char *e = NULL; |
687 | Manager *m = userdata; | |
3abaabda | 688 | Link *link; |
597da51b | 689 | int ifindex, r; |
3abaabda LP |
690 | |
691 | assert(bus); | |
692 | assert(path); | |
693 | assert(interface); | |
694 | assert(found); | |
695 | assert(m); | |
696 | ||
697 | r = sd_bus_path_decode(path, "/org/freedesktop/resolve1/link", &e); | |
698 | if (r <= 0) | |
699 | return 0; | |
700 | ||
597da51b ZJS |
701 | ifindex = parse_ifindex(e); |
702 | if (ifindex < 0) | |
3abaabda LP |
703 | return 0; |
704 | ||
705 | link = hashmap_get(m->links, INT_TO_PTR(ifindex)); | |
706 | if (!link) | |
707 | return 0; | |
708 | ||
709 | *found = link; | |
710 | return 1; | |
711 | } | |
712 | ||
0a6c0745 ZJS |
713 | char *link_bus_path(const Link *link) { |
714 | char *p, ifindex[DECIMAL_STR_MAX(link->ifindex)]; | |
3abaabda LP |
715 | int r; |
716 | ||
717 | assert(link); | |
718 | ||
0a6c0745 | 719 | xsprintf(ifindex, "%i", link->ifindex); |
3abaabda LP |
720 | |
721 | r = sd_bus_path_encode("/org/freedesktop/resolve1/link", ifindex, &p); | |
722 | if (r < 0) | |
723 | return NULL; | |
724 | ||
725 | return p; | |
726 | } | |
727 | ||
8d128089 | 728 | static int link_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) { |
3abaabda LP |
729 | _cleanup_strv_free_ char **l = NULL; |
730 | Manager *m = userdata; | |
731 | Link *link; | |
732 | Iterator i; | |
733 | unsigned c = 0; | |
734 | ||
735 | assert(bus); | |
736 | assert(path); | |
737 | assert(m); | |
738 | assert(nodes); | |
739 | ||
740 | l = new0(char*, hashmap_size(m->links) + 1); | |
741 | if (!l) | |
742 | return -ENOMEM; | |
743 | ||
744 | HASHMAP_FOREACH(link, m->links, i) { | |
745 | char *p; | |
746 | ||
747 | p = link_bus_path(link); | |
748 | if (!p) | |
749 | return -ENOMEM; | |
750 | ||
751 | l[c++] = p; | |
752 | } | |
753 | ||
754 | l[c] = NULL; | |
ae2a15bc | 755 | *nodes = TAKE_PTR(l); |
3abaabda LP |
756 | |
757 | return 1; | |
758 | } | |
8d128089 ZJS |
759 | |
760 | static const sd_bus_vtable link_vtable[] = { | |
761 | SD_BUS_VTABLE_START(0), | |
762 | ||
763 | SD_BUS_PROPERTY("ScopesMask", "t", property_get_scopes_mask, 0, 0), | |
764 | SD_BUS_PROPERTY("DNS", "a(iay)", property_get_dns, 0, 0), | |
765 | SD_BUS_PROPERTY("CurrentDNSServer", "(iay)", property_get_current_dns_server, offsetof(Link, current_dns_server), 0), | |
766 | SD_BUS_PROPERTY("Domains", "a(sb)", property_get_domains, 0, 0), | |
767 | SD_BUS_PROPERTY("DefaultRoute", "b", property_get_default_route, 0, 0), | |
768 | SD_BUS_PROPERTY("LLMNR", "s", bus_property_get_resolve_support, offsetof(Link, llmnr_support), 0), | |
769 | SD_BUS_PROPERTY("MulticastDNS", "s", bus_property_get_resolve_support, offsetof(Link, mdns_support), 0), | |
770 | SD_BUS_PROPERTY("DNSOverTLS", "s", property_get_dns_over_tls_mode, 0, 0), | |
771 | SD_BUS_PROPERTY("DNSSEC", "s", property_get_dnssec_mode, 0, 0), | |
772 | SD_BUS_PROPERTY("DNSSECNegativeTrustAnchors", "as", property_get_ntas, 0, 0), | |
773 | SD_BUS_PROPERTY("DNSSECSupported", "b", property_get_dnssec_supported, 0, 0), | |
774 | ||
ba5a389d ZJS |
775 | SD_BUS_METHOD_WITH_ARGS("SetDNS", |
776 | SD_BUS_ARGS("a(iay)", addresses), | |
777 | SD_BUS_NO_RESULT, | |
778 | bus_link_method_set_dns_servers, | |
779 | SD_BUS_VTABLE_UNPRIVILEGED), | |
780 | SD_BUS_METHOD_WITH_ARGS("SetDomains", | |
781 | SD_BUS_ARGS("a(sb)", domains), | |
782 | SD_BUS_NO_RESULT, | |
783 | bus_link_method_set_domains, | |
784 | SD_BUS_VTABLE_UNPRIVILEGED), | |
785 | SD_BUS_METHOD_WITH_ARGS("SetDefaultRoute", | |
786 | SD_BUS_ARGS("b", enable), | |
787 | SD_BUS_NO_RESULT, | |
788 | bus_link_method_set_default_route, | |
789 | SD_BUS_VTABLE_UNPRIVILEGED), | |
790 | SD_BUS_METHOD_WITH_ARGS("SetLLMNR", | |
791 | SD_BUS_ARGS("s", mode), | |
792 | SD_BUS_NO_RESULT, | |
793 | bus_link_method_set_llmnr, | |
794 | SD_BUS_VTABLE_UNPRIVILEGED), | |
795 | SD_BUS_METHOD_WITH_ARGS("SetMulticastDNS", | |
796 | SD_BUS_ARGS("s", mode), | |
797 | SD_BUS_NO_RESULT, | |
798 | bus_link_method_set_mdns, | |
799 | SD_BUS_VTABLE_UNPRIVILEGED), | |
800 | SD_BUS_METHOD_WITH_ARGS("SetDNSOverTLS", | |
801 | SD_BUS_ARGS("s", mode), | |
802 | SD_BUS_NO_RESULT, | |
803 | bus_link_method_set_dns_over_tls, | |
804 | SD_BUS_VTABLE_UNPRIVILEGED), | |
805 | SD_BUS_METHOD_WITH_ARGS("SetDNSSEC", | |
806 | SD_BUS_ARGS("s", mode), | |
807 | SD_BUS_NO_RESULT, | |
808 | bus_link_method_set_dnssec, | |
809 | SD_BUS_VTABLE_UNPRIVILEGED), | |
810 | SD_BUS_METHOD_WITH_ARGS("SetDNSSECNegativeTrustAnchors", | |
811 | SD_BUS_ARGS("as", names), | |
812 | SD_BUS_NO_RESULT, | |
813 | bus_link_method_set_dnssec_negative_trust_anchors, | |
814 | SD_BUS_VTABLE_UNPRIVILEGED), | |
815 | SD_BUS_METHOD_WITH_ARGS("Revert", | |
816 | SD_BUS_NO_ARGS, | |
817 | SD_BUS_NO_RESULT, | |
818 | bus_link_method_revert, | |
819 | SD_BUS_VTABLE_UNPRIVILEGED), | |
8d128089 ZJS |
820 | |
821 | SD_BUS_VTABLE_END | |
822 | }; | |
823 | ||
824 | const BusObjectImplementation link_object = { | |
825 | "/org/freedesktop/resolve1/link", | |
826 | "org.freedesktop.resolve1.Link", | |
827 | .fallback_vtables = BUS_FALLBACK_VTABLES({link_vtable, link_object_find}), | |
828 | .node_enumerator = link_node_enumerator, | |
829 | }; |