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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 | ||
99534007 | 35 | Link *l = ASSERT_PTR(userdata); |
d050561a IT |
36 | |
37 | assert(reply); | |
d050561a | 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 | 51 | |
99534007 | 52 | Link *l = ASSERT_PTR(userdata); |
3abaabda LP |
53 | int r; |
54 | ||
55 | assert(reply); | |
3abaabda | 56 | |
8e56ea4c | 57 | r = sd_bus_message_open_container(reply, 'a', extended ? "(iayqs)" : "(iay)"); |
3abaabda LP |
58 | if (r < 0) |
59 | return r; | |
60 | ||
61 | LIST_FOREACH(servers, s, l->dns_servers) { | |
8e56ea4c | 62 | r = bus_dns_server_append(reply, s, false, extended); |
3abaabda LP |
63 | if (r < 0) |
64 | return r; | |
65 | } | |
66 | ||
67 | return sd_bus_message_close_container(reply); | |
68 | } | |
69 | ||
8e56ea4c YW |
70 | static int property_get_dns( |
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 | return property_get_dns_internal(bus, path, interface, property, reply, userdata, error, false); | |
79 | } | |
80 | ||
81 | static int property_get_dns_ex( | |
b7ac92cd YW |
82 | sd_bus *bus, |
83 | const char *path, | |
84 | const char *interface, | |
85 | const char *property, | |
86 | sd_bus_message *reply, | |
87 | void *userdata, | |
88 | sd_bus_error *error) { | |
8e56ea4c YW |
89 | return property_get_dns_internal(bus, path, interface, property, reply, userdata, error, true); |
90 | } | |
91 | ||
92 | static int property_get_current_dns_server_internal( | |
93 | sd_bus *bus, | |
94 | const char *path, | |
95 | const char *interface, | |
96 | const char *property, | |
97 | sd_bus_message *reply, | |
98 | void *userdata, | |
99 | sd_bus_error *error, | |
100 | bool extended) { | |
b7ac92cd YW |
101 | |
102 | DnsServer *s; | |
103 | ||
104 | assert(reply); | |
105 | assert(userdata); | |
106 | ||
107 | s = *(DnsServer **) userdata; | |
108 | ||
8e56ea4c YW |
109 | return bus_dns_server_append(reply, s, false, extended); |
110 | } | |
111 | ||
112 | static int property_get_current_dns_server( | |
113 | sd_bus *bus, | |
114 | const char *path, | |
115 | const char *interface, | |
116 | const char *property, | |
117 | sd_bus_message *reply, | |
118 | void *userdata, | |
119 | sd_bus_error *error) { | |
120 | return property_get_current_dns_server_internal(bus, path, interface, property, reply, userdata, error, false); | |
121 | } | |
122 | ||
123 | static int property_get_current_dns_server_ex( | |
124 | sd_bus *bus, | |
125 | const char *path, | |
126 | const char *interface, | |
127 | const char *property, | |
128 | sd_bus_message *reply, | |
129 | void *userdata, | |
130 | sd_bus_error *error) { | |
131 | return property_get_current_dns_server_internal(bus, path, interface, property, reply, userdata, error, true); | |
b7ac92cd YW |
132 | } |
133 | ||
3abaabda LP |
134 | static int property_get_domains( |
135 | sd_bus *bus, | |
136 | const char *path, | |
137 | const char *interface, | |
138 | const char *property, | |
139 | sd_bus_message *reply, | |
140 | void *userdata, | |
141 | sd_bus_error *error) { | |
142 | ||
99534007 | 143 | Link *l = ASSERT_PTR(userdata); |
3abaabda LP |
144 | int r; |
145 | ||
146 | assert(reply); | |
3abaabda | 147 | |
ad44b56b | 148 | r = sd_bus_message_open_container(reply, 'a', "(sb)"); |
3abaabda LP |
149 | if (r < 0) |
150 | return r; | |
151 | ||
152 | LIST_FOREACH(domains, d, l->search_domains) { | |
ad44b56b | 153 | r = sd_bus_message_append(reply, "(sb)", d->name, d->route_only); |
3abaabda LP |
154 | if (r < 0) |
155 | return r; | |
156 | } | |
157 | ||
158 | return sd_bus_message_close_container(reply); | |
159 | } | |
160 | ||
77673795 LP |
161 | static int property_get_default_route( |
162 | sd_bus *bus, | |
163 | const char *path, | |
164 | const char *interface, | |
165 | const char *property, | |
166 | sd_bus_message *reply, | |
167 | void *userdata, | |
168 | sd_bus_error *error) { | |
169 | ||
99534007 | 170 | Link *l = ASSERT_PTR(userdata); |
77673795 LP |
171 | |
172 | assert(reply); | |
77673795 LP |
173 | |
174 | /* Return what is configured, if there's something configured */ | |
175 | if (l->default_route >= 0) | |
176 | return sd_bus_message_append(reply, "b", l->default_route); | |
177 | ||
178 | /* Otherwise report what is in effect */ | |
179 | if (l->unicast_scope) | |
180 | return sd_bus_message_append(reply, "b", dns_scope_is_default_route(l->unicast_scope)); | |
181 | ||
182 | return sd_bus_message_append(reply, "b", false); | |
183 | } | |
184 | ||
3abaabda LP |
185 | static int property_get_scopes_mask( |
186 | sd_bus *bus, | |
187 | const char *path, | |
188 | const char *interface, | |
189 | const char *property, | |
190 | sd_bus_message *reply, | |
191 | void *userdata, | |
192 | sd_bus_error *error) { | |
193 | ||
99534007 | 194 | Link *l = ASSERT_PTR(userdata); |
3abaabda LP |
195 | uint64_t mask; |
196 | ||
197 | assert(reply); | |
3abaabda LP |
198 | |
199 | mask = (l->unicast_scope ? SD_RESOLVED_DNS : 0) | | |
200 | (l->llmnr_ipv4_scope ? SD_RESOLVED_LLMNR_IPV4 : 0) | | |
201 | (l->llmnr_ipv6_scope ? SD_RESOLVED_LLMNR_IPV6 : 0) | | |
202 | (l->mdns_ipv4_scope ? SD_RESOLVED_MDNS_IPV4 : 0) | | |
203 | (l->mdns_ipv6_scope ? SD_RESOLVED_MDNS_IPV6 : 0); | |
204 | ||
205 | return sd_bus_message_append(reply, "t", mask); | |
206 | } | |
207 | ||
208 | static int property_get_ntas( | |
209 | sd_bus *bus, | |
210 | const char *path, | |
211 | const char *interface, | |
212 | const char *property, | |
213 | sd_bus_message *reply, | |
214 | void *userdata, | |
215 | sd_bus_error *error) { | |
216 | ||
99534007 | 217 | Link *l = ASSERT_PTR(userdata); |
3abaabda | 218 | const char *name; |
3abaabda LP |
219 | int r; |
220 | ||
221 | assert(reply); | |
3abaabda LP |
222 | |
223 | r = sd_bus_message_open_container(reply, 'a', "s"); | |
224 | if (r < 0) | |
225 | return r; | |
226 | ||
90e74a66 | 227 | SET_FOREACH(name, l->dnssec_negative_trust_anchors) { |
3abaabda LP |
228 | r = sd_bus_message_append(reply, "s", name); |
229 | if (r < 0) | |
230 | return r; | |
231 | } | |
232 | ||
233 | return sd_bus_message_close_container(reply); | |
234 | } | |
235 | ||
04b764bf LP |
236 | static int verify_unmanaged_link(Link *l, sd_bus_error *error) { |
237 | assert(l); | |
238 | ||
239 | if (l->flags & IFF_LOOPBACK) | |
6ff79f76 | 240 | return sd_bus_error_setf(error, BUS_ERROR_LINK_BUSY, "Link %s is loopback device.", l->ifname); |
04b764bf | 241 | if (l->is_managed) |
6ff79f76 | 242 | return sd_bus_error_setf(error, BUS_ERROR_LINK_BUSY, "Link %s is managed.", l->ifname); |
04b764bf LP |
243 | |
244 | return 0; | |
245 | } | |
246 | ||
95ce1ba8 | 247 | static int bus_link_method_set_dns_servers_internal(sd_bus_message *message, void *userdata, sd_bus_error *error, bool extended) { |
0b261ac5 | 248 | _cleanup_free_ char *j = NULL; |
10d46204 | 249 | struct in_addr_full **dns; |
cbf23f38 | 250 | bool changed = false; |
99534007 | 251 | Link *l = ASSERT_PTR(userdata); |
10d46204 | 252 | size_t n; |
d2ec6608 LP |
253 | int r; |
254 | ||
255 | assert(message); | |
d2ec6608 | 256 | |
04b764bf LP |
257 | r = verify_unmanaged_link(l, error); |
258 | if (r < 0) | |
259 | return r; | |
260 | ||
10d46204 | 261 | r = bus_message_read_dns_servers(message, error, extended, &dns, &n); |
d2ec6608 LP |
262 | if (r < 0) |
263 | return r; | |
264 | ||
52aaef0f ZJS |
265 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
266 | "org.freedesktop.resolve1.set-dns-servers", | |
267 | NULL, true, UID_INVALID, | |
268 | &l->manager->polkit_registry, error); | |
269 | if (r < 0) | |
95ce1ba8 YW |
270 | goto finalize; |
271 | if (r == 0) { | |
272 | r = 1; /* Polkit will call us back */ | |
273 | goto finalize; | |
274 | } | |
52aaef0f | 275 | |
0b261ac5 LP |
276 | for (size_t i = 0; i < n; i++) { |
277 | const char *s; | |
278 | ||
279 | s = in_addr_full_to_string(dns[i]); | |
280 | if (!s) { | |
281 | r = -ENOMEM; | |
282 | goto finalize; | |
283 | } | |
284 | ||
c2bc710b | 285 | if (!strextend_with_separator(&j, ", ", s)) { |
0b261ac5 LP |
286 | r = -ENOMEM; |
287 | goto finalize; | |
288 | } | |
289 | } | |
290 | ||
1e69eadd LP |
291 | bus_client_log(message, "DNS server change"); |
292 | ||
d2ec6608 LP |
293 | dns_server_mark_all(l->dns_servers); |
294 | ||
95ce1ba8 | 295 | for (size_t i = 0; i < n; i++) { |
d2ec6608 LP |
296 | DnsServer *s; |
297 | ||
95ce1ba8 | 298 | s = dns_server_find(l->dns_servers, dns[i]->family, &dns[i]->address, dns[i]->port, 0, dns[i]->server_name); |
d2ec6608 LP |
299 | if (s) |
300 | dns_server_move_back_and_unmark(s); | |
301 | else { | |
95ce1ba8 YW |
302 | 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); |
303 | if (r < 0) { | |
304 | dns_server_unlink_all(l->dns_servers); | |
305 | goto finalize; | |
306 | } | |
cbf23f38 LP |
307 | |
308 | changed = true; | |
d2ec6608 LP |
309 | } |
310 | ||
311 | } | |
312 | ||
cbf23f38 LP |
313 | changed = dns_server_unlink_marked(l->dns_servers) || changed; |
314 | ||
315 | if (changed) { | |
316 | link_allocate_scopes(l); | |
d2ec6608 | 317 | |
cbf23f38 LP |
318 | (void) link_save_user(l); |
319 | (void) manager_write_resolv_conf(l->manager); | |
320 | (void) manager_send_changed(l->manager, "DNS"); | |
7207052d | 321 | |
cbf23f38 LP |
322 | if (j) |
323 | log_link_info(l, "Bus client set DNS server list to: %s", j); | |
324 | else | |
325 | log_link_info(l, "Bus client reset DNS server list."); | |
326 | } | |
0b261ac5 | 327 | |
95ce1ba8 YW |
328 | r = sd_bus_reply_method_return(message, NULL); |
329 | ||
330 | finalize: | |
331 | for (size_t i = 0; i < n; i++) | |
332 | in_addr_full_free(dns[i]); | |
333 | free(dns); | |
d2ec6608 | 334 | |
d2ec6608 LP |
335 | return r; |
336 | } | |
337 | ||
95ce1ba8 YW |
338 | int bus_link_method_set_dns_servers(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
339 | return bus_link_method_set_dns_servers_internal(message, userdata, error, false); | |
340 | } | |
341 | ||
342 | int bus_link_method_set_dns_servers_ex(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
343 | return bus_link_method_set_dns_servers_internal(message, userdata, error, true); | |
344 | } | |
345 | ||
ee116b54 | 346 | int bus_link_method_set_domains(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
0b261ac5 | 347 | _cleanup_free_ char *j = NULL; |
99534007 | 348 | Link *l = ASSERT_PTR(userdata); |
cbf23f38 | 349 | bool changed = false; |
d2ec6608 LP |
350 | int r; |
351 | ||
352 | assert(message); | |
d2ec6608 | 353 | |
04b764bf LP |
354 | r = verify_unmanaged_link(l, error); |
355 | if (r < 0) | |
356 | return r; | |
357 | ||
ad44b56b | 358 | r = sd_bus_message_enter_container(message, 'a', "(sb)"); |
d2ec6608 LP |
359 | if (r < 0) |
360 | return r; | |
361 | ||
ad44b56b | 362 | for (;;) { |
0b261ac5 | 363 | _cleanup_free_ char *prefixed = NULL; |
ad44b56b LP |
364 | const char *name; |
365 | int route_only; | |
d2ec6608 | 366 | |
ad44b56b | 367 | r = sd_bus_message_read(message, "(sb)", &name, &route_only); |
d2ec6608 LP |
368 | if (r < 0) |
369 | return r; | |
370 | if (r == 0) | |
ad44b56b LP |
371 | break; |
372 | ||
373 | r = dns_name_is_valid(name); | |
374 | if (r < 0) | |
375 | return r; | |
376 | if (r == 0) | |
377 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid search domain %s", name); | |
378 | if (!route_only && dns_name_is_root(name)) | |
1b09b81c | 379 | return sd_bus_error_set(error, SD_BUS_ERROR_INVALID_ARGS, "Root domain is not suitable as search domain"); |
0b261ac5 LP |
380 | |
381 | if (route_only) { | |
382 | prefixed = strjoin("~", name); | |
383 | if (!prefixed) | |
384 | return -ENOMEM; | |
385 | ||
386 | name = prefixed; | |
387 | } | |
388 | ||
c2bc710b | 389 | if (!strextend_with_separator(&j, ", ", name)) |
0b261ac5 | 390 | return -ENOMEM; |
d2ec6608 LP |
391 | } |
392 | ||
ad44b56b LP |
393 | r = sd_bus_message_rewind(message, false); |
394 | if (r < 0) | |
395 | return r; | |
396 | ||
52aaef0f ZJS |
397 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
398 | "org.freedesktop.resolve1.set-domains", | |
399 | NULL, true, UID_INVALID, | |
400 | &l->manager->polkit_registry, error); | |
401 | if (r < 0) | |
402 | return r; | |
403 | if (r == 0) | |
404 | return 1; /* Polkit will call us back */ | |
405 | ||
1e69eadd LP |
406 | bus_client_log(message, "dns domains change"); |
407 | ||
52aaef0f ZJS |
408 | dns_search_domain_mark_all(l->search_domains); |
409 | ||
ad44b56b | 410 | for (;;) { |
d2ec6608 | 411 | DnsSearchDomain *d; |
ad44b56b LP |
412 | const char *name; |
413 | int route_only; | |
d2ec6608 | 414 | |
ad44b56b LP |
415 | r = sd_bus_message_read(message, "(sb)", &name, &route_only); |
416 | if (r < 0) | |
417 | goto clear; | |
418 | if (r == 0) | |
419 | break; | |
420 | ||
421 | r = dns_search_domain_find(l->search_domains, name, &d); | |
d2ec6608 LP |
422 | if (r < 0) |
423 | goto clear; | |
424 | ||
425 | if (r > 0) | |
426 | dns_search_domain_move_back_and_unmark(d); | |
427 | else { | |
ad44b56b | 428 | r = dns_search_domain_new(l->manager, &d, DNS_SEARCH_DOMAIN_LINK, l, name); |
d2ec6608 LP |
429 | if (r < 0) |
430 | goto clear; | |
cbf23f38 LP |
431 | |
432 | changed = true; | |
d2ec6608 | 433 | } |
ad44b56b LP |
434 | |
435 | d->route_only = route_only; | |
d2ec6608 LP |
436 | } |
437 | ||
ad44b56b LP |
438 | r = sd_bus_message_exit_container(message); |
439 | if (r < 0) | |
440 | goto clear; | |
441 | ||
cbf23f38 | 442 | changed = dns_search_domain_unlink_marked(l->search_domains) || changed; |
7207052d | 443 | |
cbf23f38 LP |
444 | if (changed) { |
445 | (void) link_save_user(l); | |
446 | (void) manager_write_resolv_conf(l->manager); | |
7207052d | 447 | |
cbf23f38 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 | } | |
0b261ac5 | 453 | |
d2ec6608 LP |
454 | return sd_bus_reply_method_return(message, NULL); |
455 | ||
456 | clear: | |
457 | dns_search_domain_unlink_all(l->search_domains); | |
458 | return r; | |
459 | } | |
460 | ||
77673795 | 461 | int bus_link_method_set_default_route(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
99534007 | 462 | Link *l = ASSERT_PTR(userdata); |
77673795 LP |
463 | int r, b; |
464 | ||
465 | assert(message); | |
77673795 LP |
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); | |
77673795 | 491 | |
cbf23f38 LP |
492 | log_link_info(l, "Bus client set default route setting: %s", yes_no(b)); |
493 | } | |
0b261ac5 | 494 | |
77673795 LP |
495 | return sd_bus_reply_method_return(message, NULL); |
496 | } | |
497 | ||
d2ec6608 | 498 | int bus_link_method_set_llmnr(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
99534007 | 499 | Link *l = ASSERT_PTR(userdata); |
d2ec6608 LP |
500 | ResolveSupport mode; |
501 | const char *llmnr; | |
502 | int r; | |
503 | ||
504 | assert(message); | |
d2ec6608 | 505 | |
04b764bf LP |
506 | r = verify_unmanaged_link(l, error); |
507 | if (r < 0) | |
508 | return r; | |
509 | ||
d2ec6608 LP |
510 | r = sd_bus_message_read(message, "s", &llmnr); |
511 | if (r < 0) | |
512 | return r; | |
513 | ||
514 | if (isempty(llmnr)) | |
515 | mode = RESOLVE_SUPPORT_YES; | |
516 | else { | |
517 | mode = resolve_support_from_string(llmnr); | |
518 | if (mode < 0) | |
519 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid LLMNR setting: %s", llmnr); | |
520 | } | |
521 | ||
52aaef0f ZJS |
522 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
523 | "org.freedesktop.resolve1.set-llmnr", | |
524 | NULL, true, UID_INVALID, | |
525 | &l->manager->polkit_registry, error); | |
526 | if (r < 0) | |
527 | return r; | |
528 | if (r == 0) | |
529 | return 1; /* Polkit will call us back */ | |
530 | ||
1e69eadd LP |
531 | bus_client_log(message, "LLMNR change"); |
532 | ||
cbf23f38 LP |
533 | if (l->llmnr_support != mode) { |
534 | l->llmnr_support = mode; | |
535 | link_allocate_scopes(l); | |
536 | link_add_rrs(l, false); | |
d2ec6608 | 537 | |
cbf23f38 | 538 | (void) link_save_user(l); |
943ef07c | 539 | |
cbf23f38 LP |
540 | log_link_info(l, "Bus client set LLMNR setting: %s", resolve_support_to_string(mode)); |
541 | } | |
0b261ac5 | 542 | |
d2ec6608 LP |
543 | return sd_bus_reply_method_return(message, NULL); |
544 | } | |
545 | ||
546 | int bus_link_method_set_mdns(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
99534007 | 547 | Link *l = ASSERT_PTR(userdata); |
d2ec6608 LP |
548 | ResolveSupport mode; |
549 | const char *mdns; | |
550 | int r; | |
551 | ||
552 | assert(message); | |
d2ec6608 | 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 | ||
cbf23f38 LP |
581 | if (l->mdns_support != mode) { |
582 | l->mdns_support = mode; | |
583 | link_allocate_scopes(l); | |
584 | link_add_rrs(l, false); | |
d2ec6608 | 585 | |
cbf23f38 | 586 | (void) link_save_user(l); |
943ef07c | 587 | |
cbf23f38 LP |
588 | log_link_info(l, "Bus client set MulticastDNS setting: %s", resolve_support_to_string(mode)); |
589 | } | |
0b261ac5 | 590 | |
d2ec6608 LP |
591 | return sd_bus_reply_method_return(message, NULL); |
592 | } | |
593 | ||
c9299be2 | 594 | int bus_link_method_set_dns_over_tls(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
99534007 | 595 | Link *l = ASSERT_PTR(userdata); |
c9299be2 IT |
596 | const char *dns_over_tls; |
597 | DnsOverTlsMode mode; | |
d050561a IT |
598 | int r; |
599 | ||
600 | assert(message); | |
d050561a IT |
601 | |
602 | r = verify_unmanaged_link(l, error); | |
603 | if (r < 0) | |
604 | return r; | |
605 | ||
c9299be2 | 606 | r = sd_bus_message_read(message, "s", &dns_over_tls); |
d050561a IT |
607 | if (r < 0) |
608 | return r; | |
609 | ||
c9299be2 IT |
610 | if (isempty(dns_over_tls)) |
611 | mode = _DNS_OVER_TLS_MODE_INVALID; | |
d050561a | 612 | else { |
c9299be2 | 613 | mode = dns_over_tls_mode_from_string(dns_over_tls); |
d050561a | 614 | if (mode < 0) |
c9299be2 | 615 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid DNSOverTLS setting: %s", dns_over_tls); |
d050561a IT |
616 | } |
617 | ||
52aaef0f ZJS |
618 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
619 | "org.freedesktop.resolve1.set-dns-over-tls", | |
620 | NULL, true, UID_INVALID, | |
621 | &l->manager->polkit_registry, error); | |
622 | if (r < 0) | |
623 | return r; | |
624 | if (r == 0) | |
625 | return 1; /* Polkit will call us back */ | |
626 | ||
1e69eadd LP |
627 | bus_client_log(message, "D-o-T change"); |
628 | ||
cbf23f38 LP |
629 | if (l->dns_over_tls_mode != mode) { |
630 | link_set_dns_over_tls_mode(l, mode); | |
16f74783 | 631 | link_allocate_scopes(l); |
d050561a | 632 | |
cbf23f38 | 633 | (void) link_save_user(l); |
d050561a | 634 | |
cbf23f38 LP |
635 | log_link_info(l, "Bus client set DNSOverTLS setting: %s", |
636 | mode < 0 ? "default" : dns_over_tls_mode_to_string(mode)); | |
637 | } | |
0b261ac5 | 638 | |
d050561a IT |
639 | return sd_bus_reply_method_return(message, NULL); |
640 | } | |
641 | ||
d2ec6608 | 642 | int bus_link_method_set_dnssec(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
99534007 | 643 | Link *l = ASSERT_PTR(userdata); |
d2ec6608 LP |
644 | const char *dnssec; |
645 | DnssecMode mode; | |
646 | int r; | |
647 | ||
648 | assert(message); | |
d2ec6608 | 649 | |
04b764bf LP |
650 | r = verify_unmanaged_link(l, error); |
651 | if (r < 0) | |
652 | return r; | |
653 | ||
d2ec6608 LP |
654 | r = sd_bus_message_read(message, "s", &dnssec); |
655 | if (r < 0) | |
656 | return r; | |
657 | ||
658 | if (isempty(dnssec)) | |
659 | mode = _DNSSEC_MODE_INVALID; | |
660 | else { | |
661 | mode = dnssec_mode_from_string(dnssec); | |
662 | if (mode < 0) | |
663 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid DNSSEC setting: %s", dnssec); | |
664 | } | |
665 | ||
52aaef0f ZJS |
666 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
667 | "org.freedesktop.resolve1.set-dnssec", | |
668 | NULL, true, UID_INVALID, | |
669 | &l->manager->polkit_registry, error); | |
670 | if (r < 0) | |
671 | return r; | |
672 | if (r == 0) | |
673 | return 1; /* Polkit will call us back */ | |
674 | ||
1e69eadd LP |
675 | bus_client_log(message, "DNSSEC change"); |
676 | ||
cbf23f38 LP |
677 | if (l->dnssec_mode != mode) { |
678 | link_set_dnssec_mode(l, mode); | |
16f74783 | 679 | link_allocate_scopes(l); |
d2ec6608 | 680 | |
cbf23f38 | 681 | (void) link_save_user(l); |
943ef07c | 682 | |
cbf23f38 LP |
683 | log_link_info(l, "Bus client set DNSSEC setting: %s", |
684 | mode < 0 ? "default" : dnssec_mode_to_string(mode)); | |
685 | } | |
0b261ac5 | 686 | |
d2ec6608 LP |
687 | return sd_bus_reply_method_return(message, NULL); |
688 | } | |
689 | ||
690 | int bus_link_method_set_dnssec_negative_trust_anchors(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
691 | _cleanup_set_free_free_ Set *ns = NULL; | |
c6d92582 | 692 | _cleanup_strv_free_ char **ntas = NULL; |
0b261ac5 | 693 | _cleanup_free_ char *j = NULL; |
99534007 | 694 | Link *l = ASSERT_PTR(userdata); |
d2ec6608 | 695 | int r; |
d2ec6608 LP |
696 | |
697 | assert(message); | |
d2ec6608 | 698 | |
04b764bf LP |
699 | r = verify_unmanaged_link(l, error); |
700 | if (r < 0) | |
701 | return r; | |
702 | ||
ab77c879 ZJS |
703 | ns = set_new(&dns_name_hash_ops); |
704 | if (!ns) | |
705 | return -ENOMEM; | |
706 | ||
d2ec6608 LP |
707 | r = sd_bus_message_read_strv(message, &ntas); |
708 | if (r < 0) | |
709 | return r; | |
710 | ||
711 | STRV_FOREACH(i, ntas) { | |
712 | r = dns_name_is_valid(*i); | |
713 | if (r < 0) | |
714 | return r; | |
715 | if (r == 0) | |
ab77c879 ZJS |
716 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, |
717 | "Invalid negative trust anchor domain: %s", *i); | |
d2ec6608 | 718 | |
be327321 | 719 | r = set_put_strdup(&ns, *i); |
d2ec6608 LP |
720 | if (r < 0) |
721 | return r; | |
0b261ac5 | 722 | |
c2bc710b | 723 | if (!strextend_with_separator(&j, ", ", *i)) |
0b261ac5 | 724 | return -ENOMEM; |
d2ec6608 LP |
725 | } |
726 | ||
52aaef0f ZJS |
727 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
728 | "org.freedesktop.resolve1.set-dnssec-negative-trust-anchors", | |
729 | NULL, true, UID_INVALID, | |
730 | &l->manager->polkit_registry, error); | |
731 | if (r < 0) | |
732 | return r; | |
733 | if (r == 0) | |
734 | return 1; /* Polkit will call us back */ | |
735 | ||
1e69eadd LP |
736 | bus_client_log(message, "DNSSEC NTA change"); |
737 | ||
cbf23f38 LP |
738 | if (!set_equal(ns, l->dnssec_negative_trust_anchors)) { |
739 | set_free_free(l->dnssec_negative_trust_anchors); | |
740 | l->dnssec_negative_trust_anchors = TAKE_PTR(ns); | |
d2ec6608 | 741 | |
cbf23f38 | 742 | (void) link_save_user(l); |
943ef07c | 743 | |
cbf23f38 LP |
744 | if (j) |
745 | log_link_info(l, "Bus client set NTA list to: %s", j); | |
746 | else | |
747 | log_link_info(l, "Bus client reset NTA list."); | |
748 | } | |
0b261ac5 | 749 | |
d2ec6608 LP |
750 | return sd_bus_reply_method_return(message, NULL); |
751 | } | |
752 | ||
753 | int bus_link_method_revert(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
99534007 | 754 | Link *l = ASSERT_PTR(userdata); |
04b764bf | 755 | int r; |
d2ec6608 LP |
756 | |
757 | assert(message); | |
d2ec6608 | 758 | |
04b764bf LP |
759 | r = verify_unmanaged_link(l, error); |
760 | if (r < 0) | |
761 | return r; | |
762 | ||
52aaef0f ZJS |
763 | r = bus_verify_polkit_async(message, CAP_NET_ADMIN, |
764 | "org.freedesktop.resolve1.revert", | |
765 | NULL, true, UID_INVALID, | |
766 | &l->manager->polkit_registry, error); | |
767 | if (r < 0) | |
768 | return r; | |
769 | if (r == 0) | |
770 | return 1; /* Polkit will call us back */ | |
771 | ||
1e69eadd LP |
772 | bus_client_log(message, "revert"); |
773 | ||
d2ec6608 LP |
774 | link_flush_settings(l); |
775 | link_allocate_scopes(l); | |
776 | link_add_rrs(l, false); | |
777 | ||
943ef07c | 778 | (void) link_save_user(l); |
7207052d | 779 | (void) manager_write_resolv_conf(l->manager); |
5f3340ca | 780 | (void) manager_send_changed(l->manager, "DNS"); |
7207052d | 781 | |
d2ec6608 LP |
782 | return sd_bus_reply_method_return(message, NULL); |
783 | } | |
784 | ||
8d128089 | 785 | static int link_object_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) { |
3abaabda | 786 | _cleanup_free_ char *e = NULL; |
99534007 | 787 | Manager *m = ASSERT_PTR(userdata); |
3abaabda | 788 | Link *link; |
597da51b | 789 | int ifindex, r; |
3abaabda LP |
790 | |
791 | assert(bus); | |
792 | assert(path); | |
793 | assert(interface); | |
794 | assert(found); | |
3abaabda LP |
795 | |
796 | r = sd_bus_path_decode(path, "/org/freedesktop/resolve1/link", &e); | |
797 | if (r <= 0) | |
798 | return 0; | |
799 | ||
597da51b ZJS |
800 | ifindex = parse_ifindex(e); |
801 | if (ifindex < 0) | |
3abaabda LP |
802 | return 0; |
803 | ||
804 | link = hashmap_get(m->links, INT_TO_PTR(ifindex)); | |
805 | if (!link) | |
806 | return 0; | |
807 | ||
808 | *found = link; | |
809 | return 1; | |
810 | } | |
811 | ||
0a6c0745 ZJS |
812 | char *link_bus_path(const Link *link) { |
813 | char *p, ifindex[DECIMAL_STR_MAX(link->ifindex)]; | |
3abaabda LP |
814 | int r; |
815 | ||
816 | assert(link); | |
817 | ||
0a6c0745 | 818 | xsprintf(ifindex, "%i", link->ifindex); |
3abaabda LP |
819 | |
820 | r = sd_bus_path_encode("/org/freedesktop/resolve1/link", ifindex, &p); | |
821 | if (r < 0) | |
822 | return NULL; | |
823 | ||
824 | return p; | |
825 | } | |
826 | ||
8d128089 | 827 | static int link_node_enumerator(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) { |
3abaabda | 828 | _cleanup_strv_free_ char **l = NULL; |
99534007 | 829 | Manager *m = ASSERT_PTR(userdata); |
3abaabda | 830 | Link *link; |
3abaabda LP |
831 | unsigned c = 0; |
832 | ||
833 | assert(bus); | |
834 | assert(path); | |
3abaabda LP |
835 | assert(nodes); |
836 | ||
837 | l = new0(char*, hashmap_size(m->links) + 1); | |
838 | if (!l) | |
839 | return -ENOMEM; | |
840 | ||
90e74a66 | 841 | HASHMAP_FOREACH(link, m->links) { |
3abaabda LP |
842 | char *p; |
843 | ||
844 | p = link_bus_path(link); | |
845 | if (!p) | |
846 | return -ENOMEM; | |
847 | ||
848 | l[c++] = p; | |
849 | } | |
850 | ||
851 | l[c] = NULL; | |
ae2a15bc | 852 | *nodes = TAKE_PTR(l); |
3abaabda LP |
853 | |
854 | return 1; | |
855 | } | |
8d128089 ZJS |
856 | |
857 | static const sd_bus_vtable link_vtable[] = { | |
858 | SD_BUS_VTABLE_START(0), | |
859 | ||
860 | SD_BUS_PROPERTY("ScopesMask", "t", property_get_scopes_mask, 0, 0), | |
861 | SD_BUS_PROPERTY("DNS", "a(iay)", property_get_dns, 0, 0), | |
8e56ea4c | 862 | SD_BUS_PROPERTY("DNSEx", "a(iayqs)", property_get_dns_ex, 0, 0), |
8d128089 | 863 | SD_BUS_PROPERTY("CurrentDNSServer", "(iay)", property_get_current_dns_server, offsetof(Link, current_dns_server), 0), |
8e56ea4c | 864 | SD_BUS_PROPERTY("CurrentDNSServerEx", "(iayqs)", property_get_current_dns_server_ex, offsetof(Link, current_dns_server), 0), |
8d128089 ZJS |
865 | SD_BUS_PROPERTY("Domains", "a(sb)", property_get_domains, 0, 0), |
866 | SD_BUS_PROPERTY("DefaultRoute", "b", property_get_default_route, 0, 0), | |
867 | SD_BUS_PROPERTY("LLMNR", "s", bus_property_get_resolve_support, offsetof(Link, llmnr_support), 0), | |
868 | SD_BUS_PROPERTY("MulticastDNS", "s", bus_property_get_resolve_support, offsetof(Link, mdns_support), 0), | |
869 | SD_BUS_PROPERTY("DNSOverTLS", "s", property_get_dns_over_tls_mode, 0, 0), | |
870 | SD_BUS_PROPERTY("DNSSEC", "s", property_get_dnssec_mode, 0, 0), | |
871 | SD_BUS_PROPERTY("DNSSECNegativeTrustAnchors", "as", property_get_ntas, 0, 0), | |
872 | SD_BUS_PROPERTY("DNSSECSupported", "b", property_get_dnssec_supported, 0, 0), | |
873 | ||
ba5a389d ZJS |
874 | SD_BUS_METHOD_WITH_ARGS("SetDNS", |
875 | SD_BUS_ARGS("a(iay)", addresses), | |
876 | SD_BUS_NO_RESULT, | |
877 | bus_link_method_set_dns_servers, | |
878 | SD_BUS_VTABLE_UNPRIVILEGED), | |
95ce1ba8 YW |
879 | SD_BUS_METHOD_WITH_ARGS("SetDNSEx", |
880 | SD_BUS_ARGS("a(iayqs)", addresses), | |
881 | SD_BUS_NO_RESULT, | |
882 | bus_link_method_set_dns_servers_ex, | |
883 | SD_BUS_VTABLE_UNPRIVILEGED), | |
ba5a389d ZJS |
884 | SD_BUS_METHOD_WITH_ARGS("SetDomains", |
885 | SD_BUS_ARGS("a(sb)", domains), | |
886 | SD_BUS_NO_RESULT, | |
887 | bus_link_method_set_domains, | |
888 | SD_BUS_VTABLE_UNPRIVILEGED), | |
889 | SD_BUS_METHOD_WITH_ARGS("SetDefaultRoute", | |
890 | SD_BUS_ARGS("b", enable), | |
891 | SD_BUS_NO_RESULT, | |
892 | bus_link_method_set_default_route, | |
893 | SD_BUS_VTABLE_UNPRIVILEGED), | |
894 | SD_BUS_METHOD_WITH_ARGS("SetLLMNR", | |
895 | SD_BUS_ARGS("s", mode), | |
896 | SD_BUS_NO_RESULT, | |
897 | bus_link_method_set_llmnr, | |
898 | SD_BUS_VTABLE_UNPRIVILEGED), | |
899 | SD_BUS_METHOD_WITH_ARGS("SetMulticastDNS", | |
900 | SD_BUS_ARGS("s", mode), | |
901 | SD_BUS_NO_RESULT, | |
902 | bus_link_method_set_mdns, | |
903 | SD_BUS_VTABLE_UNPRIVILEGED), | |
904 | SD_BUS_METHOD_WITH_ARGS("SetDNSOverTLS", | |
905 | SD_BUS_ARGS("s", mode), | |
906 | SD_BUS_NO_RESULT, | |
907 | bus_link_method_set_dns_over_tls, | |
908 | SD_BUS_VTABLE_UNPRIVILEGED), | |
909 | SD_BUS_METHOD_WITH_ARGS("SetDNSSEC", | |
910 | SD_BUS_ARGS("s", mode), | |
911 | SD_BUS_NO_RESULT, | |
912 | bus_link_method_set_dnssec, | |
913 | SD_BUS_VTABLE_UNPRIVILEGED), | |
914 | SD_BUS_METHOD_WITH_ARGS("SetDNSSECNegativeTrustAnchors", | |
915 | SD_BUS_ARGS("as", names), | |
916 | SD_BUS_NO_RESULT, | |
917 | bus_link_method_set_dnssec_negative_trust_anchors, | |
918 | SD_BUS_VTABLE_UNPRIVILEGED), | |
919 | SD_BUS_METHOD_WITH_ARGS("Revert", | |
920 | SD_BUS_NO_ARGS, | |
921 | SD_BUS_NO_RESULT, | |
922 | bus_link_method_revert, | |
923 | SD_BUS_VTABLE_UNPRIVILEGED), | |
8d128089 ZJS |
924 | |
925 | SD_BUS_VTABLE_END | |
926 | }; | |
927 | ||
928 | const BusObjectImplementation link_object = { | |
929 | "/org/freedesktop/resolve1/link", | |
930 | "org.freedesktop.resolve1.Link", | |
931 | .fallback_vtables = BUS_FALLBACK_VTABLES({link_vtable, link_object_find}), | |
932 | .node_enumerator = link_node_enumerator, | |
933 | }; |