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Commit | Line | Data |
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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" |
269e4d2d | 10 | #include "bus-polkit.h" |
3abaabda LP |
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" |
95ce1ba8 | 16 | #include "socket-netlink.h" |
0a6c0745 | 17 | #include "stdio-util.h" |
3abaabda | 18 | #include "strv.h" |
52aaef0f | 19 | #include "user-util.h" |
3abaabda | 20 | |
acd380c4 YW |
21 | static BUS_DEFINE_PROPERTY_GET(property_get_dnssec_supported, "b", Link, link_dnssec_supported); |
22 | static BUS_DEFINE_PROPERTY_GET2(property_get_dnssec_mode, "s", Link, link_get_dnssec_mode, dnssec_mode_to_string); | |
3abaabda | 23 | |
c9299be2 | 24 | static int property_get_dns_over_tls_mode( |
d050561a IT |
25 | sd_bus *bus, |
26 | const char *path, | |
27 | const char *interface, | |
28 | const char *property, | |
29 | sd_bus_message *reply, | |
30 | void *userdata, | |
31 | sd_bus_error *error) { | |
32 | ||
33 | Link *l = userdata; | |
34 | ||
35 | assert(reply); | |
36 | assert(l); | |
37 | ||
c9299be2 | 38 | return sd_bus_message_append(reply, "s", dns_over_tls_mode_to_string(link_get_dns_over_tls_mode(l))); |
d050561a IT |
39 | } |
40 | ||
3abaabda LP |
41 | static int property_get_dns( |
42 | sd_bus *bus, | |
43 | const char *path, | |
44 | const char *interface, | |
45 | const char *property, | |
46 | sd_bus_message *reply, | |
47 | void *userdata, | |
48 | sd_bus_error *error) { | |
49 | ||
50 | Link *l = userdata; | |
51 | DnsServer *s; | |
52 | int r; | |
53 | ||
54 | assert(reply); | |
55 | assert(l); | |
56 | ||
57 | r = sd_bus_message_open_container(reply, 'a', "(iay)"); | |
58 | if (r < 0) | |
59 | return r; | |
60 | ||
61 | LIST_FOREACH(servers, s, l->dns_servers) { | |
62 | r = bus_dns_server_append(reply, s, false); | |
63 | if (r < 0) | |
64 | return r; | |
65 | } | |
66 | ||
67 | return sd_bus_message_close_container(reply); | |
68 | } | |
69 | ||
b7ac92cd YW |
70 | static int property_get_current_dns_server( |
71 | sd_bus *bus, | |
72 | const char *path, | |
73 | const char *interface, | |
74 | const char *property, | |
75 | sd_bus_message *reply, | |
76 | void *userdata, | |
77 | sd_bus_error *error) { | |
78 | ||
79 | DnsServer *s; | |
80 | ||
81 | assert(reply); | |
82 | assert(userdata); | |
83 | ||
84 | s = *(DnsServer **) userdata; | |
85 | ||
86 | return bus_dns_server_append(reply, s, false); | |
87 | } | |
88 | ||
3abaabda LP |
89 | static int property_get_domains( |
90 | sd_bus *bus, | |
91 | const char *path, | |
92 | const char *interface, | |
93 | const char *property, | |
94 | sd_bus_message *reply, | |
95 | void *userdata, | |
96 | sd_bus_error *error) { | |
97 | ||
98 | Link *l = userdata; | |
99 | DnsSearchDomain *d; | |
100 | int r; | |
101 | ||
102 | assert(reply); | |
103 | assert(l); | |
104 | ||
ad44b56b | 105 | r = sd_bus_message_open_container(reply, 'a', "(sb)"); |
3abaabda LP |
106 | if (r < 0) |
107 | return r; | |
108 | ||
109 | LIST_FOREACH(domains, d, l->search_domains) { | |
ad44b56b | 110 | r = sd_bus_message_append(reply, "(sb)", d->name, d->route_only); |
3abaabda LP |
111 | if (r < 0) |
112 | return r; | |
113 | } | |
114 | ||
115 | return sd_bus_message_close_container(reply); | |
116 | } | |
117 | ||
77673795 LP |
118 | static int property_get_default_route( |
119 | sd_bus *bus, | |
120 | const char *path, | |
121 | const char *interface, | |
122 | const char *property, | |
123 | sd_bus_message *reply, | |
124 | void *userdata, | |
125 | sd_bus_error *error) { | |
126 | ||
127 | Link *l = userdata; | |
128 | ||
129 | assert(reply); | |
130 | assert(l); | |
131 | ||
132 | /* Return what is configured, if there's something configured */ | |
133 | if (l->default_route >= 0) | |
134 | return sd_bus_message_append(reply, "b", l->default_route); | |
135 | ||
136 | /* Otherwise report what is in effect */ | |
137 | if (l->unicast_scope) | |
138 | return sd_bus_message_append(reply, "b", dns_scope_is_default_route(l->unicast_scope)); | |
139 | ||
140 | return sd_bus_message_append(reply, "b", false); | |
141 | } | |
142 | ||
3abaabda LP |
143 | static int property_get_scopes_mask( |
144 | sd_bus *bus, | |
145 | const char *path, | |
146 | const char *interface, | |
147 | const char *property, | |
148 | sd_bus_message *reply, | |
149 | void *userdata, | |
150 | sd_bus_error *error) { | |
151 | ||
152 | Link *l = userdata; | |
153 | uint64_t mask; | |
154 | ||
155 | assert(reply); | |
156 | assert(l); | |
157 | ||
158 | mask = (l->unicast_scope ? SD_RESOLVED_DNS : 0) | | |
159 | (l->llmnr_ipv4_scope ? SD_RESOLVED_LLMNR_IPV4 : 0) | | |
160 | (l->llmnr_ipv6_scope ? SD_RESOLVED_LLMNR_IPV6 : 0) | | |
161 | (l->mdns_ipv4_scope ? SD_RESOLVED_MDNS_IPV4 : 0) | | |
162 | (l->mdns_ipv6_scope ? SD_RESOLVED_MDNS_IPV6 : 0); | |
163 | ||
164 | return sd_bus_message_append(reply, "t", mask); | |
165 | } | |
166 | ||
167 | static int property_get_ntas( | |
168 | sd_bus *bus, | |
169 | const char *path, | |
170 | const char *interface, | |
171 | const char *property, | |
172 | sd_bus_message *reply, | |
173 | void *userdata, | |
174 | sd_bus_error *error) { | |
175 | ||
176 | Link *l = userdata; | |
177 | const char *name; | |
178 | Iterator i; | |
179 | int r; | |
180 | ||
181 | assert(reply); | |
182 | assert(l); | |
183 | ||
184 | r = sd_bus_message_open_container(reply, 'a', "s"); | |
185 | if (r < 0) | |
186 | return r; | |
187 | ||
188 | SET_FOREACH(name, l->dnssec_negative_trust_anchors, i) { | |
189 | r = sd_bus_message_append(reply, "s", name); | |
190 | if (r < 0) | |
191 | return r; | |
192 | } | |
193 | ||
194 | return sd_bus_message_close_container(reply); | |
195 | } | |
196 | ||
04b764bf LP |
197 | static int verify_unmanaged_link(Link *l, sd_bus_error *error) { |
198 | assert(l); | |
199 | ||
200 | if (l->flags & IFF_LOOPBACK) | |
6ff79f76 | 201 | return sd_bus_error_setf(error, BUS_ERROR_LINK_BUSY, "Link %s is loopback device.", l->ifname); |
04b764bf | 202 | if (l->is_managed) |
6ff79f76 | 203 | return sd_bus_error_setf(error, BUS_ERROR_LINK_BUSY, "Link %s is managed.", l->ifname); |
04b764bf LP |
204 | |
205 | return 0; | |
206 | } | |
207 | ||
95ce1ba8 YW |
208 | static int bus_link_method_set_dns_servers_internal(sd_bus_message *message, void *userdata, sd_bus_error *error, bool extended) { |
209 | struct in_addr_full **dns = NULL; | |
d2ec6608 LP |
210 | size_t allocated = 0, n = 0; |
211 | Link *l = userdata; | |
d2ec6608 LP |
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 | ||
95ce1ba8 | 221 | r = sd_bus_message_enter_container(message, 'a', extended ? "(iayqs)" : "(iay)"); |
d2ec6608 LP |
222 | if (r < 0) |
223 | return r; | |
224 | ||
225 | for (;;) { | |
95ce1ba8 YW |
226 | const char *server_name = NULL; |
227 | union in_addr_union a; | |
228 | uint16_t port = 0; | |
229 | const void *d; | |
d2ec6608 LP |
230 | int family; |
231 | size_t sz; | |
d2ec6608 LP |
232 | |
233 | assert_cc(sizeof(int) == sizeof(int32_t)); | |
234 | ||
95ce1ba8 | 235 | r = sd_bus_message_enter_container(message, 'r', extended ? "iayqs" : "iay"); |
d2ec6608 | 236 | if (r < 0) |
95ce1ba8 | 237 | goto finalize; |
d2ec6608 LP |
238 | if (r == 0) |
239 | break; | |
240 | ||
241 | r = sd_bus_message_read(message, "i", &family); | |
242 | if (r < 0) | |
95ce1ba8 | 243 | goto finalize; |
d2ec6608 | 244 | |
95ce1ba8 YW |
245 | if (!IN_SET(family, AF_INET, AF_INET6)) { |
246 | r = sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unknown address family %i", family); | |
247 | goto finalize; | |
248 | } | |
d2ec6608 LP |
249 | |
250 | r = sd_bus_message_read_array(message, 'y', &d, &sz); | |
251 | if (r < 0) | |
95ce1ba8 YW |
252 | goto finalize; |
253 | if (sz != FAMILY_ADDRESS_SIZE(family)) { | |
254 | r = sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid address size"); | |
255 | goto finalize; | |
256 | } | |
257 | ||
258 | if (!dns_server_address_valid(family, d)) { | |
259 | r = sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid DNS server address"); | |
260 | goto finalize; | |
261 | } | |
262 | ||
263 | if (extended) { | |
264 | r = sd_bus_message_read(message, "q", &port); | |
265 | if (r < 0) | |
266 | goto finalize; | |
d2ec6608 | 267 | |
95ce1ba8 YW |
268 | if (IN_SET(port, 53, 853)) |
269 | port = 0; | |
270 | ||
271 | r = sd_bus_message_read(message, "s", &server_name); | |
272 | if (r < 0) | |
273 | goto finalize; | |
274 | } | |
b30bf55d | 275 | |
d2ec6608 LP |
276 | r = sd_bus_message_exit_container(message); |
277 | if (r < 0) | |
95ce1ba8 | 278 | goto finalize; |
d2ec6608 | 279 | |
95ce1ba8 YW |
280 | if (!GREEDY_REALLOC(dns, allocated, n+1)) { |
281 | r = -ENOMEM; | |
282 | goto finalize; | |
283 | } | |
d2ec6608 | 284 | |
95ce1ba8 YW |
285 | memcpy(&a, d, sz); |
286 | r = in_addr_full_new(family, &a, port, 0, server_name, dns + n); | |
287 | if (r < 0) | |
288 | goto finalize; | |
d2ec6608 LP |
289 | n++; |
290 | } | |
291 | ||
292 | r = sd_bus_message_exit_container(message); | |
293 | if (r < 0) | |
95ce1ba8 | 294 | goto finalize; |
d2ec6608 | 295 | |
52aaef0f ZJS |
296 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
297 | "org.freedesktop.resolve1.set-dns-servers", | |
298 | NULL, true, UID_INVALID, | |
299 | &l->manager->polkit_registry, error); | |
300 | if (r < 0) | |
95ce1ba8 YW |
301 | goto finalize; |
302 | if (r == 0) { | |
303 | r = 1; /* Polkit will call us back */ | |
304 | goto finalize; | |
305 | } | |
52aaef0f | 306 | |
d2ec6608 LP |
307 | dns_server_mark_all(l->dns_servers); |
308 | ||
95ce1ba8 | 309 | for (size_t i = 0; i < n; i++) { |
d2ec6608 LP |
310 | DnsServer *s; |
311 | ||
95ce1ba8 | 312 | s = dns_server_find(l->dns_servers, dns[i]->family, &dns[i]->address, dns[i]->port, 0, dns[i]->server_name); |
d2ec6608 LP |
313 | if (s) |
314 | dns_server_move_back_and_unmark(s); | |
315 | else { | |
95ce1ba8 YW |
316 | 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); |
317 | if (r < 0) { | |
318 | dns_server_unlink_all(l->dns_servers); | |
319 | goto finalize; | |
320 | } | |
d2ec6608 LP |
321 | } |
322 | ||
323 | } | |
324 | ||
325 | dns_server_unlink_marked(l->dns_servers); | |
326 | link_allocate_scopes(l); | |
327 | ||
943ef07c | 328 | (void) link_save_user(l); |
7207052d | 329 | (void) manager_write_resolv_conf(l->manager); |
5f3340ca | 330 | (void) manager_send_changed(l->manager, "DNS"); |
7207052d | 331 | |
95ce1ba8 YW |
332 | r = sd_bus_reply_method_return(message, NULL); |
333 | ||
334 | finalize: | |
335 | for (size_t i = 0; i < n; i++) | |
336 | in_addr_full_free(dns[i]); | |
337 | free(dns); | |
d2ec6608 | 338 | |
d2ec6608 LP |
339 | return r; |
340 | } | |
341 | ||
95ce1ba8 YW |
342 | int bus_link_method_set_dns_servers(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
343 | return bus_link_method_set_dns_servers_internal(message, userdata, error, false); | |
344 | } | |
345 | ||
346 | int bus_link_method_set_dns_servers_ex(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
347 | return bus_link_method_set_dns_servers_internal(message, userdata, error, true); | |
348 | } | |
349 | ||
ee116b54 | 350 | int bus_link_method_set_domains(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
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 LP |
365 | for (;;) { |
366 | const char *name; | |
367 | int route_only; | |
d2ec6608 | 368 | |
ad44b56b | 369 | r = sd_bus_message_read(message, "(sb)", &name, &route_only); |
d2ec6608 LP |
370 | if (r < 0) |
371 | return r; | |
372 | if (r == 0) | |
ad44b56b LP |
373 | break; |
374 | ||
375 | r = dns_name_is_valid(name); | |
376 | if (r < 0) | |
377 | return r; | |
378 | if (r == 0) | |
379 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid search domain %s", name); | |
380 | if (!route_only && dns_name_is_root(name)) | |
d2ec6608 LP |
381 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Root domain is not suitable as search domain"); |
382 | } | |
383 | ||
ad44b56b LP |
384 | r = sd_bus_message_rewind(message, false); |
385 | if (r < 0) | |
386 | return r; | |
387 | ||
52aaef0f ZJS |
388 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
389 | "org.freedesktop.resolve1.set-domains", | |
390 | NULL, true, UID_INVALID, | |
391 | &l->manager->polkit_registry, error); | |
392 | if (r < 0) | |
393 | return r; | |
394 | if (r == 0) | |
395 | return 1; /* Polkit will call us back */ | |
396 | ||
397 | dns_search_domain_mark_all(l->search_domains); | |
398 | ||
ad44b56b | 399 | for (;;) { |
d2ec6608 | 400 | DnsSearchDomain *d; |
ad44b56b LP |
401 | const char *name; |
402 | int route_only; | |
d2ec6608 | 403 | |
ad44b56b LP |
404 | r = sd_bus_message_read(message, "(sb)", &name, &route_only); |
405 | if (r < 0) | |
406 | goto clear; | |
407 | if (r == 0) | |
408 | break; | |
409 | ||
410 | r = dns_search_domain_find(l->search_domains, name, &d); | |
d2ec6608 LP |
411 | if (r < 0) |
412 | goto clear; | |
413 | ||
414 | if (r > 0) | |
415 | dns_search_domain_move_back_and_unmark(d); | |
416 | else { | |
ad44b56b | 417 | r = dns_search_domain_new(l->manager, &d, DNS_SEARCH_DOMAIN_LINK, l, name); |
d2ec6608 LP |
418 | if (r < 0) |
419 | goto clear; | |
420 | } | |
ad44b56b LP |
421 | |
422 | d->route_only = route_only; | |
d2ec6608 LP |
423 | } |
424 | ||
ad44b56b LP |
425 | r = sd_bus_message_exit_container(message); |
426 | if (r < 0) | |
427 | goto clear; | |
428 | ||
d2ec6608 | 429 | dns_search_domain_unlink_marked(l->search_domains); |
7207052d | 430 | |
943ef07c | 431 | (void) link_save_user(l); |
7207052d LP |
432 | (void) manager_write_resolv_conf(l->manager); |
433 | ||
d2ec6608 LP |
434 | return sd_bus_reply_method_return(message, NULL); |
435 | ||
436 | clear: | |
437 | dns_search_domain_unlink_all(l->search_domains); | |
438 | return r; | |
439 | } | |
440 | ||
77673795 LP |
441 | int bus_link_method_set_default_route(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
442 | Link *l = userdata; | |
443 | int r, b; | |
444 | ||
445 | assert(message); | |
446 | assert(l); | |
447 | ||
448 | r = verify_unmanaged_link(l, error); | |
449 | if (r < 0) | |
450 | return r; | |
451 | ||
452 | r = sd_bus_message_read(message, "b", &b); | |
453 | if (r < 0) | |
454 | return r; | |
455 | ||
52aaef0f ZJS |
456 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
457 | "org.freedesktop.resolve1.set-default-route", | |
458 | NULL, true, UID_INVALID, | |
459 | &l->manager->polkit_registry, error); | |
460 | if (r < 0) | |
461 | return r; | |
462 | if (r == 0) | |
463 | return 1; /* Polkit will call us back */ | |
464 | ||
77673795 LP |
465 | if (l->default_route != b) { |
466 | l->default_route = b; | |
467 | ||
468 | (void) link_save_user(l); | |
469 | (void) manager_write_resolv_conf(l->manager); | |
470 | } | |
471 | ||
472 | return sd_bus_reply_method_return(message, NULL); | |
473 | } | |
474 | ||
d2ec6608 LP |
475 | int bus_link_method_set_llmnr(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
476 | Link *l = userdata; | |
477 | ResolveSupport mode; | |
478 | const char *llmnr; | |
479 | int r; | |
480 | ||
481 | assert(message); | |
482 | assert(l); | |
483 | ||
04b764bf LP |
484 | r = verify_unmanaged_link(l, error); |
485 | if (r < 0) | |
486 | return r; | |
487 | ||
d2ec6608 LP |
488 | r = sd_bus_message_read(message, "s", &llmnr); |
489 | if (r < 0) | |
490 | return r; | |
491 | ||
492 | if (isempty(llmnr)) | |
493 | mode = RESOLVE_SUPPORT_YES; | |
494 | else { | |
495 | mode = resolve_support_from_string(llmnr); | |
496 | if (mode < 0) | |
497 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid LLMNR setting: %s", llmnr); | |
498 | } | |
499 | ||
52aaef0f ZJS |
500 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
501 | "org.freedesktop.resolve1.set-llmnr", | |
502 | NULL, true, UID_INVALID, | |
503 | &l->manager->polkit_registry, error); | |
504 | if (r < 0) | |
505 | return r; | |
506 | if (r == 0) | |
507 | return 1; /* Polkit will call us back */ | |
508 | ||
d2ec6608 LP |
509 | l->llmnr_support = mode; |
510 | link_allocate_scopes(l); | |
511 | link_add_rrs(l, false); | |
512 | ||
943ef07c LP |
513 | (void) link_save_user(l); |
514 | ||
d2ec6608 LP |
515 | return sd_bus_reply_method_return(message, NULL); |
516 | } | |
517 | ||
518 | int bus_link_method_set_mdns(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
519 | Link *l = userdata; | |
520 | ResolveSupport mode; | |
521 | const char *mdns; | |
522 | int r; | |
523 | ||
524 | assert(message); | |
525 | assert(l); | |
526 | ||
04b764bf LP |
527 | r = verify_unmanaged_link(l, error); |
528 | if (r < 0) | |
529 | return r; | |
530 | ||
d2ec6608 LP |
531 | r = sd_bus_message_read(message, "s", &mdns); |
532 | if (r < 0) | |
533 | return r; | |
534 | ||
535 | if (isempty(mdns)) | |
536 | mode = RESOLVE_SUPPORT_NO; | |
537 | else { | |
538 | mode = resolve_support_from_string(mdns); | |
539 | if (mode < 0) | |
540 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid MulticastDNS setting: %s", mdns); | |
541 | } | |
542 | ||
52aaef0f ZJS |
543 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
544 | "org.freedesktop.resolve1.set-mdns", | |
545 | NULL, true, UID_INVALID, | |
546 | &l->manager->polkit_registry, error); | |
547 | if (r < 0) | |
548 | return r; | |
549 | if (r == 0) | |
550 | return 1; /* Polkit will call us back */ | |
551 | ||
d2ec6608 LP |
552 | l->mdns_support = mode; |
553 | link_allocate_scopes(l); | |
554 | link_add_rrs(l, false); | |
555 | ||
943ef07c LP |
556 | (void) link_save_user(l); |
557 | ||
d2ec6608 LP |
558 | return sd_bus_reply_method_return(message, NULL); |
559 | } | |
560 | ||
c9299be2 | 561 | int bus_link_method_set_dns_over_tls(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
d050561a | 562 | Link *l = userdata; |
c9299be2 IT |
563 | const char *dns_over_tls; |
564 | DnsOverTlsMode mode; | |
d050561a IT |
565 | int r; |
566 | ||
567 | assert(message); | |
568 | assert(l); | |
569 | ||
570 | r = verify_unmanaged_link(l, error); | |
571 | if (r < 0) | |
572 | return r; | |
573 | ||
c9299be2 | 574 | r = sd_bus_message_read(message, "s", &dns_over_tls); |
d050561a IT |
575 | if (r < 0) |
576 | return r; | |
577 | ||
c9299be2 IT |
578 | if (isempty(dns_over_tls)) |
579 | mode = _DNS_OVER_TLS_MODE_INVALID; | |
d050561a | 580 | else { |
c9299be2 | 581 | mode = dns_over_tls_mode_from_string(dns_over_tls); |
d050561a | 582 | if (mode < 0) |
c9299be2 | 583 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid DNSOverTLS setting: %s", dns_over_tls); |
d050561a IT |
584 | } |
585 | ||
52aaef0f ZJS |
586 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
587 | "org.freedesktop.resolve1.set-dns-over-tls", | |
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 | ||
c9299be2 | 595 | link_set_dns_over_tls_mode(l, mode); |
d050561a IT |
596 | |
597 | (void) link_save_user(l); | |
598 | ||
599 | return sd_bus_reply_method_return(message, NULL); | |
600 | } | |
601 | ||
d2ec6608 LP |
602 | int bus_link_method_set_dnssec(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
603 | Link *l = userdata; | |
604 | const char *dnssec; | |
605 | DnssecMode mode; | |
606 | int r; | |
607 | ||
608 | assert(message); | |
609 | assert(l); | |
610 | ||
04b764bf LP |
611 | r = verify_unmanaged_link(l, error); |
612 | if (r < 0) | |
613 | return r; | |
614 | ||
d2ec6608 LP |
615 | r = sd_bus_message_read(message, "s", &dnssec); |
616 | if (r < 0) | |
617 | return r; | |
618 | ||
619 | if (isempty(dnssec)) | |
620 | mode = _DNSSEC_MODE_INVALID; | |
621 | else { | |
622 | mode = dnssec_mode_from_string(dnssec); | |
623 | if (mode < 0) | |
624 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid DNSSEC setting: %s", dnssec); | |
625 | } | |
626 | ||
52aaef0f ZJS |
627 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
628 | "org.freedesktop.resolve1.set-dnssec", | |
629 | NULL, true, UID_INVALID, | |
630 | &l->manager->polkit_registry, error); | |
631 | if (r < 0) | |
632 | return r; | |
633 | if (r == 0) | |
634 | return 1; /* Polkit will call us back */ | |
635 | ||
d2ec6608 LP |
636 | link_set_dnssec_mode(l, mode); |
637 | ||
943ef07c LP |
638 | (void) link_save_user(l); |
639 | ||
d2ec6608 LP |
640 | return sd_bus_reply_method_return(message, NULL); |
641 | } | |
642 | ||
643 | int bus_link_method_set_dnssec_negative_trust_anchors(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
644 | _cleanup_set_free_free_ Set *ns = NULL; | |
c6d92582 | 645 | _cleanup_strv_free_ char **ntas = NULL; |
d2ec6608 LP |
646 | Link *l = userdata; |
647 | int r; | |
648 | char **i; | |
649 | ||
650 | assert(message); | |
651 | assert(l); | |
652 | ||
04b764bf LP |
653 | r = verify_unmanaged_link(l, error); |
654 | if (r < 0) | |
655 | return r; | |
656 | ||
ab77c879 ZJS |
657 | ns = set_new(&dns_name_hash_ops); |
658 | if (!ns) | |
659 | return -ENOMEM; | |
660 | ||
d2ec6608 LP |
661 | r = sd_bus_message_read_strv(message, &ntas); |
662 | if (r < 0) | |
663 | return r; | |
664 | ||
665 | STRV_FOREACH(i, ntas) { | |
666 | r = dns_name_is_valid(*i); | |
667 | if (r < 0) | |
668 | return r; | |
669 | if (r == 0) | |
ab77c879 ZJS |
670 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, |
671 | "Invalid negative trust anchor domain: %s", *i); | |
d2ec6608 | 672 | |
be327321 | 673 | r = set_put_strdup(&ns, *i); |
d2ec6608 LP |
674 | if (r < 0) |
675 | return r; | |
676 | } | |
677 | ||
52aaef0f ZJS |
678 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
679 | "org.freedesktop.resolve1.set-dnssec-negative-trust-anchors", | |
680 | NULL, true, UID_INVALID, | |
681 | &l->manager->polkit_registry, error); | |
682 | if (r < 0) | |
683 | return r; | |
684 | if (r == 0) | |
685 | return 1; /* Polkit will call us back */ | |
686 | ||
d2ec6608 | 687 | set_free_free(l->dnssec_negative_trust_anchors); |
ae2a15bc | 688 | l->dnssec_negative_trust_anchors = TAKE_PTR(ns); |
d2ec6608 | 689 | |
943ef07c LP |
690 | (void) link_save_user(l); |
691 | ||
d2ec6608 LP |
692 | return sd_bus_reply_method_return(message, NULL); |
693 | } | |
694 | ||
695 | int bus_link_method_revert(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
696 | Link *l = userdata; | |
04b764bf | 697 | int r; |
d2ec6608 LP |
698 | |
699 | assert(message); | |
700 | assert(l); | |
701 | ||
04b764bf LP |
702 | r = verify_unmanaged_link(l, error); |
703 | if (r < 0) | |
704 | return r; | |
705 | ||
52aaef0f ZJS |
706 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
707 | "org.freedesktop.resolve1.revert", | |
708 | NULL, true, UID_INVALID, | |
709 | &l->manager->polkit_registry, error); | |
710 | if (r < 0) | |
711 | return r; | |
712 | if (r == 0) | |
713 | return 1; /* Polkit will call us back */ | |
714 | ||
d2ec6608 LP |
715 | link_flush_settings(l); |
716 | link_allocate_scopes(l); | |
717 | link_add_rrs(l, false); | |
718 | ||
943ef07c | 719 | (void) link_save_user(l); |
7207052d | 720 | (void) manager_write_resolv_conf(l->manager); |
5f3340ca | 721 | (void) manager_send_changed(l->manager, "DNS"); |
7207052d | 722 | |
d2ec6608 LP |
723 | return sd_bus_reply_method_return(message, NULL); |
724 | } | |
725 | ||
8d128089 | 726 | static int link_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) { |
3abaabda LP |
727 | _cleanup_free_ char *e = NULL; |
728 | Manager *m = userdata; | |
3abaabda | 729 | Link *link; |
597da51b | 730 | int ifindex, r; |
3abaabda LP |
731 | |
732 | assert(bus); | |
733 | assert(path); | |
734 | assert(interface); | |
735 | assert(found); | |
736 | assert(m); | |
737 | ||
738 | r = sd_bus_path_decode(path, "/org/freedesktop/resolve1/link", &e); | |
739 | if (r <= 0) | |
740 | return 0; | |
741 | ||
597da51b ZJS |
742 | ifindex = parse_ifindex(e); |
743 | if (ifindex < 0) | |
3abaabda LP |
744 | return 0; |
745 | ||
746 | link = hashmap_get(m->links, INT_TO_PTR(ifindex)); | |
747 | if (!link) | |
748 | return 0; | |
749 | ||
750 | *found = link; | |
751 | return 1; | |
752 | } | |
753 | ||
0a6c0745 ZJS |
754 | char *link_bus_path(const Link *link) { |
755 | char *p, ifindex[DECIMAL_STR_MAX(link->ifindex)]; | |
3abaabda LP |
756 | int r; |
757 | ||
758 | assert(link); | |
759 | ||
0a6c0745 | 760 | xsprintf(ifindex, "%i", link->ifindex); |
3abaabda LP |
761 | |
762 | r = sd_bus_path_encode("/org/freedesktop/resolve1/link", ifindex, &p); | |
763 | if (r < 0) | |
764 | return NULL; | |
765 | ||
766 | return p; | |
767 | } | |
768 | ||
8d128089 | 769 | static int link_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) { |
3abaabda LP |
770 | _cleanup_strv_free_ char **l = NULL; |
771 | Manager *m = userdata; | |
772 | Link *link; | |
773 | Iterator i; | |
774 | unsigned c = 0; | |
775 | ||
776 | assert(bus); | |
777 | assert(path); | |
778 | assert(m); | |
779 | assert(nodes); | |
780 | ||
781 | l = new0(char*, hashmap_size(m->links) + 1); | |
782 | if (!l) | |
783 | return -ENOMEM; | |
784 | ||
785 | HASHMAP_FOREACH(link, m->links, i) { | |
786 | char *p; | |
787 | ||
788 | p = link_bus_path(link); | |
789 | if (!p) | |
790 | return -ENOMEM; | |
791 | ||
792 | l[c++] = p; | |
793 | } | |
794 | ||
795 | l[c] = NULL; | |
ae2a15bc | 796 | *nodes = TAKE_PTR(l); |
3abaabda LP |
797 | |
798 | return 1; | |
799 | } | |
8d128089 ZJS |
800 | |
801 | static const sd_bus_vtable link_vtable[] = { | |
802 | SD_BUS_VTABLE_START(0), | |
803 | ||
804 | SD_BUS_PROPERTY("ScopesMask", "t", property_get_scopes_mask, 0, 0), | |
805 | SD_BUS_PROPERTY("DNS", "a(iay)", property_get_dns, 0, 0), | |
806 | SD_BUS_PROPERTY("CurrentDNSServer", "(iay)", property_get_current_dns_server, offsetof(Link, current_dns_server), 0), | |
807 | SD_BUS_PROPERTY("Domains", "a(sb)", property_get_domains, 0, 0), | |
808 | SD_BUS_PROPERTY("DefaultRoute", "b", property_get_default_route, 0, 0), | |
809 | SD_BUS_PROPERTY("LLMNR", "s", bus_property_get_resolve_support, offsetof(Link, llmnr_support), 0), | |
810 | SD_BUS_PROPERTY("MulticastDNS", "s", bus_property_get_resolve_support, offsetof(Link, mdns_support), 0), | |
811 | SD_BUS_PROPERTY("DNSOverTLS", "s", property_get_dns_over_tls_mode, 0, 0), | |
812 | SD_BUS_PROPERTY("DNSSEC", "s", property_get_dnssec_mode, 0, 0), | |
813 | SD_BUS_PROPERTY("DNSSECNegativeTrustAnchors", "as", property_get_ntas, 0, 0), | |
814 | SD_BUS_PROPERTY("DNSSECSupported", "b", property_get_dnssec_supported, 0, 0), | |
815 | ||
ba5a389d ZJS |
816 | SD_BUS_METHOD_WITH_ARGS("SetDNS", |
817 | SD_BUS_ARGS("a(iay)", addresses), | |
818 | SD_BUS_NO_RESULT, | |
819 | bus_link_method_set_dns_servers, | |
820 | SD_BUS_VTABLE_UNPRIVILEGED), | |
95ce1ba8 YW |
821 | SD_BUS_METHOD_WITH_ARGS("SetDNSEx", |
822 | SD_BUS_ARGS("a(iayqs)", addresses), | |
823 | SD_BUS_NO_RESULT, | |
824 | bus_link_method_set_dns_servers_ex, | |
825 | SD_BUS_VTABLE_UNPRIVILEGED), | |
ba5a389d ZJS |
826 | SD_BUS_METHOD_WITH_ARGS("SetDomains", |
827 | SD_BUS_ARGS("a(sb)", domains), | |
828 | SD_BUS_NO_RESULT, | |
829 | bus_link_method_set_domains, | |
830 | SD_BUS_VTABLE_UNPRIVILEGED), | |
831 | SD_BUS_METHOD_WITH_ARGS("SetDefaultRoute", | |
832 | SD_BUS_ARGS("b", enable), | |
833 | SD_BUS_NO_RESULT, | |
834 | bus_link_method_set_default_route, | |
835 | SD_BUS_VTABLE_UNPRIVILEGED), | |
836 | SD_BUS_METHOD_WITH_ARGS("SetLLMNR", | |
837 | SD_BUS_ARGS("s", mode), | |
838 | SD_BUS_NO_RESULT, | |
839 | bus_link_method_set_llmnr, | |
840 | SD_BUS_VTABLE_UNPRIVILEGED), | |
841 | SD_BUS_METHOD_WITH_ARGS("SetMulticastDNS", | |
842 | SD_BUS_ARGS("s", mode), | |
843 | SD_BUS_NO_RESULT, | |
844 | bus_link_method_set_mdns, | |
845 | SD_BUS_VTABLE_UNPRIVILEGED), | |
846 | SD_BUS_METHOD_WITH_ARGS("SetDNSOverTLS", | |
847 | SD_BUS_ARGS("s", mode), | |
848 | SD_BUS_NO_RESULT, | |
849 | bus_link_method_set_dns_over_tls, | |
850 | SD_BUS_VTABLE_UNPRIVILEGED), | |
851 | SD_BUS_METHOD_WITH_ARGS("SetDNSSEC", | |
852 | SD_BUS_ARGS("s", mode), | |
853 | SD_BUS_NO_RESULT, | |
854 | bus_link_method_set_dnssec, | |
855 | SD_BUS_VTABLE_UNPRIVILEGED), | |
856 | SD_BUS_METHOD_WITH_ARGS("SetDNSSECNegativeTrustAnchors", | |
857 | SD_BUS_ARGS("as", names), | |
858 | SD_BUS_NO_RESULT, | |
859 | bus_link_method_set_dnssec_negative_trust_anchors, | |
860 | SD_BUS_VTABLE_UNPRIVILEGED), | |
861 | SD_BUS_METHOD_WITH_ARGS("Revert", | |
862 | SD_BUS_NO_ARGS, | |
863 | SD_BUS_NO_RESULT, | |
864 | bus_link_method_revert, | |
865 | SD_BUS_VTABLE_UNPRIVILEGED), | |
8d128089 ZJS |
866 | |
867 | SD_BUS_VTABLE_END | |
868 | }; | |
869 | ||
870 | const BusObjectImplementation link_object = { | |
871 | "/org/freedesktop/resolve1/link", | |
872 | "org.freedesktop.resolve1.Link", | |
873 | .fallback_vtables = BUS_FALLBACK_VTABLES({link_vtable, link_object_find}), | |
874 | .node_enumerator = link_node_enumerator, | |
875 | }; |