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74b2466e LP |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2014 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU Lesser General Public License as published by | |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | Lesser General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU Lesser General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
b5efdb8a | 22 | #include "alloc-util.h" |
96aad8d1 | 23 | #include "bus-common-errors.h" |
74b2466e | 24 | #include "bus-util.h" |
4ad7f276 | 25 | #include "dns-domain.h" |
39d8db04 | 26 | #include "resolved-bus.h" |
51323288 | 27 | #include "resolved-def.h" |
3abaabda | 28 | #include "resolved-link-bus.h" |
74b2466e | 29 | |
ad867662 | 30 | static int reply_query_state(DnsQuery *q) { |
ad867662 LP |
31 | |
32 | switch (q->state) { | |
74b2466e | 33 | |
ec2c5e43 | 34 | case DNS_TRANSACTION_NO_SERVERS: |
309e9d86 | 35 | return sd_bus_reply_method_errorf(q->request, BUS_ERROR_NO_NAME_SERVERS, "No appropriate name servers or networks for name found"); |
74b2466e | 36 | |
ec2c5e43 | 37 | case DNS_TRANSACTION_TIMEOUT: |
ad867662 | 38 | return sd_bus_reply_method_errorf(q->request, SD_BUS_ERROR_TIMEOUT, "Query timed out"); |
74b2466e | 39 | |
ec2c5e43 | 40 | case DNS_TRANSACTION_ATTEMPTS_MAX_REACHED: |
ad867662 LP |
41 | return sd_bus_reply_method_errorf(q->request, SD_BUS_ERROR_TIMEOUT, "All attempts to contact name servers or networks failed"); |
42 | ||
818f766b LP |
43 | case DNS_TRANSACTION_INVALID_REPLY: |
44 | return sd_bus_reply_method_errorf(q->request, BUS_ERROR_INVALID_REPLY, "Received invalid reply"); | |
45 | ||
ec2c5e43 | 46 | case DNS_TRANSACTION_RESOURCES: |
ad867662 LP |
47 | return sd_bus_reply_method_errorf(q->request, BUS_ERROR_NO_RESOURCES, "Not enough resources"); |
48 | ||
818f766b LP |
49 | case DNS_TRANSACTION_ABORTED: |
50 | return sd_bus_reply_method_errorf(q->request, BUS_ERROR_ABORTED, "Query aborted"); | |
74b2466e | 51 | |
547973de | 52 | case DNS_TRANSACTION_DNSSEC_FAILED: |
a761c1ca | 53 | return sd_bus_reply_method_errorf(q->request, BUS_ERROR_DNSSEC_FAILED, "DNSSEC validation failed: %s", |
019036a4 | 54 | dnssec_result_to_string(q->answer_dnssec_result)); |
547973de | 55 | |
b2b796b8 LP |
56 | case DNS_TRANSACTION_NO_TRUST_ANCHOR: |
57 | return sd_bus_reply_method_errorf(q->request, BUS_ERROR_NO_TRUST_ANCHOR, "No suitable trust anchor known"); | |
58 | ||
91adc4db LP |
59 | case DNS_TRANSACTION_RR_TYPE_UNSUPPORTED: |
60 | return sd_bus_reply_method_errorf(q->request, BUS_ERROR_RR_TYPE_UNSUPPORTED, "Server does not support requested resource record type"); | |
61 | ||
3bbdc31d | 62 | case DNS_TRANSACTION_RCODE_FAILURE: { |
4afd3348 | 63 | _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL; |
74b2466e | 64 | |
faa133f3 | 65 | if (q->answer_rcode == DNS_RCODE_NXDOMAIN) |
23b298bc | 66 | sd_bus_error_setf(&error, _BUS_ERROR_DNS "NXDOMAIN", "'%s' not found", dns_query_string(q)); |
74b2466e LP |
67 | else { |
68 | const char *rc, *n; | |
ad867662 | 69 | char p[3]; /* the rcode is 4 bits long */ |
74b2466e | 70 | |
faa133f3 | 71 | rc = dns_rcode_to_string(q->answer_rcode); |
74b2466e | 72 | if (!rc) { |
faa133f3 | 73 | sprintf(p, "%i", q->answer_rcode); |
74b2466e LP |
74 | rc = p; |
75 | } | |
76 | ||
63c372cb | 77 | n = strjoina(_BUS_ERROR_DNS, rc); |
23b298bc | 78 | sd_bus_error_setf(&error, n, "Could not resolve '%s', server or network returned error %s", dns_query_string(q), rc); |
74b2466e LP |
79 | } |
80 | ||
ad867662 | 81 | return sd_bus_reply_method_error(q->request, &error); |
74b2466e LP |
82 | } |
83 | ||
ec2c5e43 LP |
84 | case DNS_TRANSACTION_NULL: |
85 | case DNS_TRANSACTION_PENDING: | |
ef9fb66c | 86 | case DNS_TRANSACTION_VALIDATING: |
ec2c5e43 | 87 | case DNS_TRANSACTION_SUCCESS: |
8ba9fd9c | 88 | default: |
ad867662 LP |
89 | assert_not_reached("Impossible state"); |
90 | } | |
91 | } | |
74b2466e | 92 | |
78c6a153 | 93 | static int append_address(sd_bus_message *reply, DnsResourceRecord *rr, int ifindex) { |
8ba9fd9c LP |
94 | int r; |
95 | ||
96 | assert(reply); | |
97 | assert(rr); | |
98 | ||
78c6a153 LP |
99 | r = sd_bus_message_open_container(reply, 'r', "iiay"); |
100 | if (r < 0) | |
101 | return r; | |
102 | ||
103 | r = sd_bus_message_append(reply, "i", ifindex); | |
8ba9fd9c LP |
104 | if (r < 0) |
105 | return r; | |
106 | ||
faa133f3 | 107 | if (rr->key->type == DNS_TYPE_A) { |
0dd25fb9 | 108 | r = sd_bus_message_append(reply, "i", AF_INET); |
8ba9fd9c LP |
109 | if (r < 0) |
110 | return r; | |
111 | ||
112 | r = sd_bus_message_append_array(reply, 'y', &rr->a.in_addr, sizeof(struct in_addr)); | |
faa133f3 LP |
113 | |
114 | } else if (rr->key->type == DNS_TYPE_AAAA) { | |
0dd25fb9 | 115 | r = sd_bus_message_append(reply, "i", AF_INET6); |
8ba9fd9c LP |
116 | if (r < 0) |
117 | return r; | |
118 | ||
119 | r = sd_bus_message_append_array(reply, 'y', &rr->aaaa.in6_addr, sizeof(struct in6_addr)); | |
faa133f3 LP |
120 | } else |
121 | return -EAFNOSUPPORT; | |
122 | ||
8ba9fd9c LP |
123 | if (r < 0) |
124 | return r; | |
125 | ||
8ba9fd9c LP |
126 | r = sd_bus_message_close_container(reply); |
127 | if (r < 0) | |
128 | return r; | |
129 | ||
130 | return 0; | |
131 | } | |
132 | ||
ad867662 | 133 | static void bus_method_resolve_hostname_complete(DnsQuery *q) { |
45ec7efb | 134 | _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *canonical = NULL; |
4afd3348 | 135 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
45ec7efb | 136 | unsigned added = 0; |
51323288 | 137 | int r; |
74b2466e | 138 | |
ad867662 | 139 | assert(q); |
74b2466e | 140 | |
ec2c5e43 | 141 | if (q->state != DNS_TRANSACTION_SUCCESS) { |
ad867662 LP |
142 | r = reply_query_state(q); |
143 | goto finish; | |
144 | } | |
74b2466e | 145 | |
45ec7efb LP |
146 | r = dns_query_process_cname(q); |
147 | if (r == -ELOOP) { | |
23b298bc | 148 | r = sd_bus_reply_method_errorf(q->request, BUS_ERROR_CNAME_LOOP, "CNAME loop detected, or CNAME resolving disabled on '%s'", dns_query_string(q)); |
45ec7efb LP |
149 | goto finish; |
150 | } | |
151 | if (r < 0) | |
152 | goto finish; | |
7588460a | 153 | if (r == DNS_QUERY_RESTARTED) /* This was a cname, and the query was restarted. */ |
45ec7efb LP |
154 | return; |
155 | ||
ad867662 LP |
156 | r = sd_bus_message_new_method_return(q->request, &reply); |
157 | if (r < 0) | |
158 | goto finish; | |
74b2466e | 159 | |
78c6a153 | 160 | r = sd_bus_message_open_container(reply, 'a', "(iiay)"); |
51323288 LP |
161 | if (r < 0) |
162 | goto finish; | |
8ba9fd9c | 163 | |
3339cb71 | 164 | if (q->answer) { |
45ec7efb LP |
165 | DnsResourceRecord *rr; |
166 | int ifindex; | |
3339cb71 | 167 | |
45ec7efb | 168 | DNS_ANSWER_FOREACH_IFINDEX(rr, ifindex, q->answer) { |
23b298bc LP |
169 | DnsQuestion *question; |
170 | ||
171 | question = dns_query_question_for_protocol(q, q->answer_protocol); | |
172 | ||
173 | r = dns_question_matches_rr(question, rr, DNS_SEARCH_DOMAIN_NAME(q->answer_search_domain)); | |
8ba9fd9c | 174 | if (r < 0) |
2d4c5cbc | 175 | goto finish; |
45ec7efb | 176 | if (r == 0) |
3339cb71 | 177 | continue; |
74b2466e | 178 | |
45ec7efb | 179 | r = append_address(reply, rr, ifindex); |
3339cb71 LP |
180 | if (r < 0) |
181 | goto finish; | |
74b2466e | 182 | |
3339cb71 | 183 | if (!canonical) |
45ec7efb | 184 | canonical = dns_resource_record_ref(rr); |
309e9d86 | 185 | |
3339cb71 LP |
186 | added ++; |
187 | } | |
8ba9fd9c | 188 | } |
74b2466e | 189 | |
45ec7efb | 190 | if (added <= 0) { |
23b298bc | 191 | r = sd_bus_reply_method_errorf(q->request, BUS_ERROR_NO_SUCH_RR, "'%s' does not have any RR of the requested type", dns_query_string(q)); |
45ec7efb | 192 | goto finish; |
74b2466e LP |
193 | } |
194 | ||
ad867662 LP |
195 | r = sd_bus_message_close_container(reply); |
196 | if (r < 0) | |
197 | goto finish; | |
198 | ||
45ec7efb | 199 | /* Return the precise spelling and uppercasing and CNAME target reported by the server */ |
309e9d86 | 200 | assert(canonical); |
45ec7efb LP |
201 | r = sd_bus_message_append( |
202 | reply, "st", | |
203 | DNS_RESOURCE_KEY_NAME(canonical->key), | |
931851e8 | 204 | SD_RESOLVED_FLAGS_MAKE(q->answer_protocol, q->answer_family, q->answer_authenticated)); |
309e9d86 LP |
205 | if (r < 0) |
206 | goto finish; | |
207 | ||
ad867662 | 208 | r = sd_bus_send(q->manager->bus, reply, NULL); |
ad867662 | 209 | |
74b2466e | 210 | finish: |
2d4c5cbc | 211 | if (r < 0) { |
da927ba9 | 212 | log_error_errno(r, "Failed to send hostname reply: %m"); |
45ec7efb | 213 | sd_bus_reply_method_errno(q->request, r, NULL); |
2d4c5cbc | 214 | } |
74b2466e LP |
215 | |
216 | dns_query_free(q); | |
217 | } | |
218 | ||
45ec7efb | 219 | static int check_ifindex_flags(int ifindex, uint64_t *flags, uint64_t ok, sd_bus_error *error) { |
51323288 LP |
220 | assert(flags); |
221 | ||
222 | if (ifindex < 0) | |
223 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid interface index"); | |
224 | ||
45ec7efb | 225 | if (*flags & ~(SD_RESOLVED_PROTOCOLS_ALL|SD_RESOLVED_NO_CNAME|ok)) |
51323288 LP |
226 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid flags parameter"); |
227 | ||
45ec7efb LP |
228 | if ((*flags & SD_RESOLVED_PROTOCOLS_ALL) == 0) /* If no protocol is enabled, enable all */ |
229 | *flags |= SD_RESOLVED_PROTOCOLS_ALL; | |
51323288 LP |
230 | |
231 | return 0; | |
232 | } | |
233 | ||
19070062 | 234 | static int bus_method_resolve_hostname(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
23b298bc | 235 | _cleanup_(dns_question_unrefp) DnsQuestion *question_idna = NULL, *question_utf8 = NULL; |
74b2466e LP |
236 | Manager *m = userdata; |
237 | const char *hostname; | |
51323288 LP |
238 | int family, ifindex; |
239 | uint64_t flags; | |
74b2466e | 240 | DnsQuery *q; |
74b2466e LP |
241 | int r; |
242 | ||
74b2466e LP |
243 | assert(message); |
244 | assert(m); | |
245 | ||
45ec7efb LP |
246 | assert_cc(sizeof(int) == sizeof(int32_t)); |
247 | ||
51323288 | 248 | r = sd_bus_message_read(message, "isit", &ifindex, &hostname, &family, &flags); |
74b2466e LP |
249 | if (r < 0) |
250 | return r; | |
251 | ||
252 | if (!IN_SET(family, AF_INET, AF_INET6, AF_UNSPEC)) | |
0dd25fb9 | 253 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unknown address family %i", family); |
74b2466e | 254 | |
45ec7efb | 255 | r = dns_name_is_valid(hostname); |
7b9f7afc | 256 | if (r < 0) |
45ec7efb LP |
257 | return r; |
258 | if (r == 0) | |
74b2466e LP |
259 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid hostname '%s'", hostname); |
260 | ||
801ad6a6 | 261 | r = check_ifindex_flags(ifindex, &flags, SD_RESOLVED_NO_SEARCH, error); |
51323288 LP |
262 | if (r < 0) |
263 | return r; | |
264 | ||
23b298bc LP |
265 | r = dns_question_new_address(&question_utf8, family, hostname, false); |
266 | if (r < 0) | |
267 | return r; | |
268 | ||
269 | r = dns_question_new_address(&question_idna, family, hostname, true); | |
45ec7efb LP |
270 | if (r < 0) |
271 | return r; | |
74b2466e | 272 | |
23b298bc | 273 | r = dns_query_new(m, &q, question_utf8, question_idna, ifindex, flags); |
74b2466e LP |
274 | if (r < 0) |
275 | return r; | |
276 | ||
277 | q->request = sd_bus_message_ref(message); | |
278 | q->request_family = family; | |
74b2466e LP |
279 | q->complete = bus_method_resolve_hostname_complete; |
280 | ||
966c66e3 | 281 | r = dns_query_bus_track(q, message); |
82bd6ddd | 282 | if (r < 0) |
45ec7efb | 283 | goto fail; |
82bd6ddd | 284 | |
322345fd | 285 | r = dns_query_go(q); |
45ec7efb LP |
286 | if (r < 0) |
287 | goto fail; | |
74b2466e LP |
288 | |
289 | return 1; | |
45ec7efb LP |
290 | |
291 | fail: | |
292 | dns_query_free(q); | |
293 | return r; | |
74b2466e LP |
294 | } |
295 | ||
296 | static void bus_method_resolve_address_complete(DnsQuery *q) { | |
4afd3348 | 297 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
23b298bc | 298 | DnsQuestion *question; |
45ec7efb LP |
299 | DnsResourceRecord *rr; |
300 | unsigned added = 0; | |
301 | int ifindex, r; | |
74b2466e LP |
302 | |
303 | assert(q); | |
304 | ||
ec2c5e43 | 305 | if (q->state != DNS_TRANSACTION_SUCCESS) { |
ad867662 LP |
306 | r = reply_query_state(q); |
307 | goto finish; | |
308 | } | |
74b2466e | 309 | |
95d46fca TG |
310 | r = dns_query_process_cname(q); |
311 | if (r == -ELOOP) { | |
23b298bc | 312 | r = sd_bus_reply_method_errorf(q->request, BUS_ERROR_CNAME_LOOP, "CNAME loop detected, or CNAME resolving disabled on '%s'", dns_query_string(q)); |
95d46fca TG |
313 | goto finish; |
314 | } | |
315 | if (r < 0) | |
316 | goto finish; | |
7588460a | 317 | if (r == DNS_QUERY_RESTARTED) /* This was a cname, and the query was restarted. */ |
95d46fca | 318 | return; |
45ec7efb | 319 | |
ad867662 LP |
320 | r = sd_bus_message_new_method_return(q->request, &reply); |
321 | if (r < 0) | |
322 | goto finish; | |
74b2466e | 323 | |
78c6a153 | 324 | r = sd_bus_message_open_container(reply, 'a', "(is)"); |
ad867662 LP |
325 | if (r < 0) |
326 | goto finish; | |
74b2466e | 327 | |
23b298bc | 328 | question = dns_query_question_for_protocol(q, q->answer_protocol); |
74b2466e | 329 | |
23b298bc LP |
330 | DNS_ANSWER_FOREACH_IFINDEX(rr, ifindex, q->answer) { |
331 | r = dns_question_matches_rr(question, rr, NULL); | |
332 | if (r < 0) | |
333 | goto finish; | |
334 | if (r == 0) | |
335 | continue; | |
74b2466e | 336 | |
23b298bc LP |
337 | r = sd_bus_message_append(reply, "(is)", ifindex, rr->ptr.name); |
338 | if (r < 0) | |
339 | goto finish; | |
340 | ||
341 | added ++; | |
ad867662 | 342 | } |
74b2466e | 343 | |
45ec7efb | 344 | if (added <= 0) { |
ad867662 | 345 | _cleanup_free_ char *ip = NULL; |
74b2466e | 346 | |
ad867662 | 347 | in_addr_to_string(q->request_family, &q->request_address, &ip); |
45ec7efb | 348 | r = sd_bus_reply_method_errorf(q->request, BUS_ERROR_NO_SUCH_RR, "Address '%s' does not have any RR of requested type", strna(ip)); |
ad867662 | 349 | goto finish; |
74b2466e LP |
350 | } |
351 | ||
ad867662 LP |
352 | r = sd_bus_message_close_container(reply); |
353 | if (r < 0) | |
354 | goto finish; | |
74b2466e | 355 | |
931851e8 | 356 | r = sd_bus_message_append(reply, "t", SD_RESOLVED_FLAGS_MAKE(q->answer_protocol, q->answer_family, q->answer_authenticated)); |
51323288 LP |
357 | if (r < 0) |
358 | goto finish; | |
359 | ||
ad867662 | 360 | r = sd_bus_send(q->manager->bus, reply, NULL); |
74b2466e LP |
361 | |
362 | finish: | |
2d4c5cbc | 363 | if (r < 0) { |
da927ba9 | 364 | log_error_errno(r, "Failed to send address reply: %m"); |
45ec7efb | 365 | sd_bus_reply_method_errno(q->request, r, NULL); |
2d4c5cbc | 366 | } |
74b2466e LP |
367 | |
368 | dns_query_free(q); | |
369 | } | |
370 | ||
19070062 | 371 | static int bus_method_resolve_address(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
faa133f3 | 372 | _cleanup_(dns_question_unrefp) DnsQuestion *question = NULL; |
74b2466e | 373 | Manager *m = userdata; |
faa133f3 | 374 | int family, ifindex; |
51323288 | 375 | uint64_t flags; |
74b2466e | 376 | const void *d; |
74b2466e LP |
377 | DnsQuery *q; |
378 | size_t sz; | |
379 | int r; | |
380 | ||
74b2466e LP |
381 | assert(message); |
382 | assert(m); | |
383 | ||
45ec7efb LP |
384 | assert_cc(sizeof(int) == sizeof(int32_t)); |
385 | ||
51323288 | 386 | r = sd_bus_message_read(message, "ii", &ifindex, &family); |
74b2466e LP |
387 | if (r < 0) |
388 | return r; | |
389 | ||
390 | if (!IN_SET(family, AF_INET, AF_INET6)) | |
0dd25fb9 | 391 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unknown address family %i", family); |
74b2466e LP |
392 | |
393 | r = sd_bus_message_read_array(message, 'y', &d, &sz); | |
394 | if (r < 0) | |
395 | return r; | |
396 | ||
0dd25fb9 | 397 | if (sz != FAMILY_ADDRESS_SIZE(family)) |
74b2466e LP |
398 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid address size"); |
399 | ||
51323288 LP |
400 | r = sd_bus_message_read(message, "t", &flags); |
401 | if (r < 0) | |
402 | return r; | |
403 | ||
45ec7efb | 404 | r = check_ifindex_flags(ifindex, &flags, 0, error); |
faa133f3 LP |
405 | if (r < 0) |
406 | return r; | |
407 | ||
45ec7efb | 408 | r = dns_question_new_reverse(&question, family, d); |
74b2466e LP |
409 | if (r < 0) |
410 | return r; | |
411 | ||
23b298bc | 412 | r = dns_query_new(m, &q, question, question, ifindex, flags|SD_RESOLVED_NO_SEARCH); |
74b2466e LP |
413 | if (r < 0) |
414 | return r; | |
415 | ||
416 | q->request = sd_bus_message_ref(message); | |
417 | q->request_family = family; | |
418 | memcpy(&q->request_address, d, sz); | |
419 | q->complete = bus_method_resolve_address_complete; | |
420 | ||
966c66e3 | 421 | r = dns_query_bus_track(q, message); |
82bd6ddd | 422 | if (r < 0) |
45ec7efb | 423 | goto fail; |
82bd6ddd | 424 | |
322345fd | 425 | r = dns_query_go(q); |
45ec7efb LP |
426 | if (r < 0) |
427 | goto fail; | |
74b2466e LP |
428 | |
429 | return 1; | |
45ec7efb LP |
430 | |
431 | fail: | |
432 | dns_query_free(q); | |
433 | return r; | |
434 | } | |
435 | ||
436 | static int bus_message_append_rr(sd_bus_message *m, DnsResourceRecord *rr, int ifindex) { | |
45ec7efb LP |
437 | int r; |
438 | ||
439 | assert(m); | |
440 | assert(rr); | |
441 | ||
442 | r = sd_bus_message_open_container(m, 'r', "iqqay"); | |
443 | if (r < 0) | |
444 | return r; | |
445 | ||
446 | r = sd_bus_message_append(m, "iqq", | |
447 | ifindex, | |
448 | rr->key->class, | |
449 | rr->key->type); | |
450 | if (r < 0) | |
451 | return r; | |
452 | ||
4e2d538f | 453 | r = dns_resource_record_to_wire_format(rr, false); |
45ec7efb LP |
454 | if (r < 0) |
455 | return r; | |
456 | ||
4e2d538f | 457 | r = sd_bus_message_append_array(m, 'y', rr->wire_format, rr->wire_format_size); |
45ec7efb LP |
458 | if (r < 0) |
459 | return r; | |
460 | ||
461 | return sd_bus_message_close_container(m); | |
74b2466e LP |
462 | } |
463 | ||
2d4c5cbc | 464 | static void bus_method_resolve_record_complete(DnsQuery *q) { |
4afd3348 | 465 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; |
23b298bc LP |
466 | DnsResourceRecord *rr; |
467 | DnsQuestion *question; | |
45ec7efb | 468 | unsigned added = 0; |
23b298bc | 469 | int ifindex; |
2d4c5cbc LP |
470 | int r; |
471 | ||
472 | assert(q); | |
473 | ||
ec2c5e43 | 474 | if (q->state != DNS_TRANSACTION_SUCCESS) { |
2d4c5cbc LP |
475 | r = reply_query_state(q); |
476 | goto finish; | |
477 | } | |
478 | ||
45ec7efb LP |
479 | r = dns_query_process_cname(q); |
480 | if (r == -ELOOP) { | |
23b298bc | 481 | r = sd_bus_reply_method_errorf(q->request, BUS_ERROR_CNAME_LOOP, "CNAME loop detected, or CNAME resolving disabled on '%s'", dns_query_string(q)); |
45ec7efb LP |
482 | goto finish; |
483 | } | |
484 | if (r < 0) | |
485 | goto finish; | |
7588460a | 486 | if (r == DNS_QUERY_RESTARTED) /* This was a cname, and the query was restarted. */ |
45ec7efb LP |
487 | return; |
488 | ||
2d4c5cbc LP |
489 | r = sd_bus_message_new_method_return(q->request, &reply); |
490 | if (r < 0) | |
491 | goto finish; | |
492 | ||
78c6a153 | 493 | r = sd_bus_message_open_container(reply, 'a', "(iqqay)"); |
2d4c5cbc LP |
494 | if (r < 0) |
495 | goto finish; | |
496 | ||
23b298bc | 497 | question = dns_query_question_for_protocol(q, q->answer_protocol); |
2d4c5cbc | 498 | |
23b298bc LP |
499 | DNS_ANSWER_FOREACH_IFINDEX(rr, ifindex, q->answer) { |
500 | r = dns_question_matches_rr(question, rr, NULL); | |
501 | if (r < 0) | |
502 | goto finish; | |
503 | if (r == 0) | |
504 | continue; | |
2d4c5cbc | 505 | |
23b298bc LP |
506 | r = bus_message_append_rr(reply, rr, ifindex); |
507 | if (r < 0) | |
508 | goto finish; | |
2d4c5cbc | 509 | |
23b298bc | 510 | added ++; |
2d4c5cbc LP |
511 | } |
512 | ||
513 | if (added <= 0) { | |
23b298bc | 514 | r = sd_bus_reply_method_errorf(q->request, BUS_ERROR_NO_SUCH_RR, "Name '%s' does not have any RR of the requested type", dns_query_string(q)); |
2d4c5cbc LP |
515 | goto finish; |
516 | } | |
517 | ||
518 | r = sd_bus_message_close_container(reply); | |
519 | if (r < 0) | |
520 | goto finish; | |
521 | ||
931851e8 | 522 | r = sd_bus_message_append(reply, "t", SD_RESOLVED_FLAGS_MAKE(q->answer_protocol, q->answer_family, q->answer_authenticated)); |
51323288 LP |
523 | if (r < 0) |
524 | goto finish; | |
525 | ||
2d4c5cbc LP |
526 | r = sd_bus_send(q->manager->bus, reply, NULL); |
527 | ||
528 | finish: | |
529 | if (r < 0) { | |
da927ba9 | 530 | log_error_errno(r, "Failed to send record reply: %m"); |
45ec7efb | 531 | sd_bus_reply_method_errno(q->request, r, NULL); |
2d4c5cbc LP |
532 | } |
533 | ||
534 | dns_query_free(q); | |
535 | } | |
536 | ||
19070062 | 537 | static int bus_method_resolve_record(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
2d4c5cbc LP |
538 | _cleanup_(dns_resource_key_unrefp) DnsResourceKey *key = NULL; |
539 | _cleanup_(dns_question_unrefp) DnsQuestion *question = NULL; | |
2d4c5cbc | 540 | Manager *m = userdata; |
2d4c5cbc LP |
541 | uint16_t class, type; |
542 | const char *name; | |
51323288 LP |
543 | int r, ifindex; |
544 | uint64_t flags; | |
545 | DnsQuery *q; | |
2d4c5cbc | 546 | |
2d4c5cbc LP |
547 | assert(message); |
548 | assert(m); | |
549 | ||
45ec7efb LP |
550 | assert_cc(sizeof(int) == sizeof(int32_t)); |
551 | ||
51323288 | 552 | r = sd_bus_message_read(message, "isqqt", &ifindex, &name, &class, &type, &flags); |
2d4c5cbc LP |
553 | if (r < 0) |
554 | return r; | |
555 | ||
45ec7efb | 556 | r = dns_name_is_valid(name); |
7b9f7afc | 557 | if (r < 0) |
45ec7efb LP |
558 | return r; |
559 | if (r == 0) | |
7b9f7afc LP |
560 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid name '%s'", name); |
561 | ||
c463eb78 | 562 | if (!dns_type_is_valid_query(type)) |
eee026a7 | 563 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Specified resource record type %" PRIu16 " may not be used in a query.", type); |
d0129ddb | 564 | if (dns_type_is_obsolete(type)) |
eee026a7 | 565 | return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Specified DNS resource record type %" PRIu16 " is obsolete.", type); |
c463eb78 | 566 | |
45ec7efb | 567 | r = check_ifindex_flags(ifindex, &flags, 0, error); |
51323288 LP |
568 | if (r < 0) |
569 | return r; | |
570 | ||
2d4c5cbc LP |
571 | question = dns_question_new(1); |
572 | if (!question) | |
573 | return -ENOMEM; | |
574 | ||
575 | key = dns_resource_key_new(class, type, name); | |
576 | if (!key) | |
577 | return -ENOMEM; | |
578 | ||
579 | r = dns_question_add(question, key); | |
580 | if (r < 0) | |
581 | return r; | |
582 | ||
23b298bc | 583 | r = dns_query_new(m, &q, question, question, ifindex, flags|SD_RESOLVED_NO_SEARCH); |
2d4c5cbc LP |
584 | if (r < 0) |
585 | return r; | |
586 | ||
587 | q->request = sd_bus_message_ref(message); | |
2d4c5cbc LP |
588 | q->complete = bus_method_resolve_record_complete; |
589 | ||
966c66e3 | 590 | r = dns_query_bus_track(q, message); |
82bd6ddd | 591 | if (r < 0) |
45ec7efb | 592 | goto fail; |
82bd6ddd | 593 | |
2d4c5cbc | 594 | r = dns_query_go(q); |
45ec7efb LP |
595 | if (r < 0) |
596 | goto fail; | |
597 | ||
598 | return 1; | |
599 | ||
600 | fail: | |
601 | dns_query_free(q); | |
602 | return r; | |
603 | } | |
604 | ||
605 | static int append_srv(DnsQuery *q, sd_bus_message *reply, DnsResourceRecord *rr) { | |
606 | _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *canonical = NULL; | |
607 | DnsQuery *aux; | |
608 | int r; | |
609 | ||
610 | assert(q); | |
611 | assert(reply); | |
612 | assert(rr); | |
613 | assert(rr->key); | |
614 | ||
615 | if (rr->key->type != DNS_TYPE_SRV) | |
616 | return 0; | |
617 | ||
618 | if ((q->flags & SD_RESOLVED_NO_ADDRESS) == 0) { | |
619 | /* First, let's see if we could find an appropriate A or AAAA | |
620 | * record for the SRV record */ | |
621 | LIST_FOREACH(auxiliary_queries, aux, q->auxiliary_queries) { | |
622 | DnsResourceRecord *zz; | |
23b298bc | 623 | DnsQuestion *question; |
45ec7efb LP |
624 | |
625 | if (aux->state != DNS_TRANSACTION_SUCCESS) | |
626 | continue; | |
627 | if (aux->auxiliary_result != 0) | |
628 | continue; | |
629 | ||
23b298bc LP |
630 | question = dns_query_question_for_protocol(aux, aux->answer_protocol); |
631 | ||
632 | r = dns_name_equal(dns_question_first_name(question), rr->srv.name); | |
45ec7efb LP |
633 | if (r < 0) |
634 | return r; | |
635 | if (r == 0) | |
636 | continue; | |
637 | ||
638 | DNS_ANSWER_FOREACH(zz, aux->answer) { | |
639 | ||
23b298bc | 640 | r = dns_question_matches_rr(question, zz, NULL); |
45ec7efb LP |
641 | if (r < 0) |
642 | return r; | |
643 | if (r == 0) | |
644 | continue; | |
645 | ||
646 | canonical = dns_resource_record_ref(zz); | |
647 | break; | |
648 | } | |
649 | ||
650 | if (canonical) | |
651 | break; | |
652 | } | |
653 | ||
654 | /* Is there are successful A/AAAA lookup for this SRV RR? If not, don't add it */ | |
655 | if (!canonical) | |
656 | return 0; | |
657 | } | |
658 | ||
659 | r = sd_bus_message_open_container(reply, 'r', "qqqsa(iiay)s"); | |
660 | if (r < 0) | |
661 | return r; | |
662 | ||
663 | r = sd_bus_message_append( | |
664 | reply, | |
665 | "qqqs", | |
666 | rr->srv.priority, rr->srv.weight, rr->srv.port, rr->srv.name); | |
667 | if (r < 0) | |
668 | return r; | |
669 | ||
670 | r = sd_bus_message_open_container(reply, 'a', "(iiay)"); | |
671 | if (r < 0) | |
672 | return r; | |
673 | ||
674 | if ((q->flags & SD_RESOLVED_NO_ADDRESS) == 0) { | |
675 | LIST_FOREACH(auxiliary_queries, aux, q->auxiliary_queries) { | |
676 | DnsResourceRecord *zz; | |
23b298bc | 677 | DnsQuestion *question; |
45ec7efb LP |
678 | int ifindex; |
679 | ||
680 | if (aux->state != DNS_TRANSACTION_SUCCESS) | |
681 | continue; | |
682 | if (aux->auxiliary_result != 0) | |
683 | continue; | |
684 | ||
23b298bc LP |
685 | question = dns_query_question_for_protocol(aux, aux->answer_protocol); |
686 | ||
687 | r = dns_name_equal(dns_question_first_name(question), rr->srv.name); | |
45ec7efb LP |
688 | if (r < 0) |
689 | return r; | |
690 | if (r == 0) | |
691 | continue; | |
692 | ||
693 | DNS_ANSWER_FOREACH_IFINDEX(zz, ifindex, aux->answer) { | |
694 | ||
23b298bc | 695 | r = dns_question_matches_rr(question, zz, NULL); |
45ec7efb LP |
696 | if (r < 0) |
697 | return r; | |
698 | if (r == 0) | |
699 | continue; | |
700 | ||
701 | r = append_address(reply, zz, ifindex); | |
702 | if (r < 0) | |
703 | return r; | |
704 | } | |
705 | } | |
706 | } | |
707 | ||
708 | r = sd_bus_message_close_container(reply); | |
709 | if (r < 0) | |
710 | return r; | |
711 | ||
712 | /* Note that above we appended the hostname as encoded in the | |
713 | * SRV, and here the canonical hostname this maps to. */ | |
714 | r = sd_bus_message_append(reply, "s", canonical ? DNS_RESOURCE_KEY_NAME(canonical->key) : rr->srv.name); | |
715 | if (r < 0) | |
716 | return r; | |
717 | ||
718 | r = sd_bus_message_close_container(reply); | |
719 | if (r < 0) | |
720 | return r; | |
721 | ||
722 | return 1; | |
723 | } | |
724 | ||
725 | static int append_txt(sd_bus_message *reply, DnsResourceRecord *rr) { | |
726 | DnsTxtItem *i; | |
727 | int r; | |
728 | ||
729 | assert(reply); | |
730 | assert(rr); | |
731 | assert(rr->key); | |
732 | ||
733 | if (rr->key->type != DNS_TYPE_TXT) | |
734 | return 0; | |
735 | ||
736 | LIST_FOREACH(items, i, rr->txt.items) { | |
737 | ||
738 | if (i->length <= 0) | |
739 | continue; | |
740 | ||
741 | r = sd_bus_message_append_array(reply, 'y', i->data, i->length); | |
742 | if (r < 0) | |
743 | return r; | |
744 | } | |
745 | ||
746 | return 1; | |
747 | } | |
748 | ||
749 | static void resolve_service_all_complete(DnsQuery *q) { | |
750 | _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *canonical = NULL; | |
751 | _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL; | |
752 | _cleanup_free_ char *name = NULL, *type = NULL, *domain = NULL; | |
23b298bc LP |
753 | DnsQuestion *question; |
754 | DnsResourceRecord *rr; | |
755 | unsigned added = 0; | |
45ec7efb | 756 | DnsQuery *aux; |
45ec7efb LP |
757 | int r; |
758 | ||
759 | assert(q); | |
760 | ||
761 | if (q->block_all_complete > 0) | |
762 | return; | |
763 | ||
764 | if ((q->flags & SD_RESOLVED_NO_ADDRESS) == 0) { | |
765 | DnsQuery *bad = NULL; | |
766 | bool have_success = false; | |
767 | ||
768 | LIST_FOREACH(auxiliary_queries, aux, q->auxiliary_queries) { | |
769 | ||
770 | switch (aux->state) { | |
771 | ||
772 | case DNS_TRANSACTION_PENDING: | |
773 | /* If an auxiliary query is still pending, let's wait */ | |
774 | return; | |
775 | ||
776 | case DNS_TRANSACTION_SUCCESS: | |
777 | if (aux->auxiliary_result == 0) | |
778 | have_success = true; | |
779 | else | |
780 | bad = aux; | |
781 | break; | |
782 | ||
783 | default: | |
784 | bad = aux; | |
785 | break; | |
786 | } | |
787 | } | |
788 | ||
789 | if (!have_success) { | |
790 | /* We can only return one error, hence pick the last error we encountered */ | |
791 | ||
792 | assert(bad); | |
793 | ||
794 | if (bad->state == DNS_TRANSACTION_SUCCESS) { | |
795 | assert(bad->auxiliary_result != 0); | |
796 | ||
797 | if (bad->auxiliary_result == -ELOOP) { | |
23b298bc | 798 | r = sd_bus_reply_method_errorf(q->request, BUS_ERROR_CNAME_LOOP, "CNAME loop detected, or CNAME resolving disabled on '%s'", dns_query_string(bad)); |
45ec7efb LP |
799 | goto finish; |
800 | } | |
801 | ||
802 | r = bad->auxiliary_result; | |
803 | goto finish; | |
804 | } | |
805 | ||
806 | r = reply_query_state(bad); | |
807 | goto finish; | |
808 | } | |
809 | } | |
810 | ||
811 | r = sd_bus_message_new_method_return(q->request, &reply); | |
812 | if (r < 0) | |
813 | goto finish; | |
814 | ||
815 | r = sd_bus_message_open_container(reply, 'a', "(qqqsa(iiay)s)"); | |
816 | if (r < 0) | |
817 | goto finish; | |
818 | ||
23b298bc LP |
819 | question = dns_query_question_for_protocol(q, q->answer_protocol); |
820 | DNS_ANSWER_FOREACH(rr, q->answer) { | |
821 | r = dns_question_matches_rr(question, rr, NULL); | |
822 | if (r < 0) | |
823 | goto finish; | |
824 | if (r == 0) | |
825 | continue; | |
45ec7efb | 826 | |
23b298bc LP |
827 | r = append_srv(q, reply, rr); |
828 | if (r < 0) | |
829 | goto finish; | |
830 | if (r == 0) /* not an SRV record */ | |
831 | continue; | |
45ec7efb | 832 | |
23b298bc LP |
833 | if (!canonical) |
834 | canonical = dns_resource_record_ref(rr); | |
45ec7efb | 835 | |
23b298bc | 836 | added++; |
45ec7efb LP |
837 | } |
838 | ||
839 | if (added <= 0) { | |
23b298bc | 840 | r = sd_bus_reply_method_errorf(q->request, BUS_ERROR_NO_SUCH_RR, "'%s' does not have any RR of the requested type", dns_query_string(q)); |
45ec7efb LP |
841 | goto finish; |
842 | } | |
843 | ||
844 | r = sd_bus_message_close_container(reply); | |
845 | if (r < 0) | |
846 | goto finish; | |
847 | ||
848 | r = sd_bus_message_open_container(reply, 'a', "ay"); | |
849 | if (r < 0) | |
850 | goto finish; | |
851 | ||
23b298bc LP |
852 | DNS_ANSWER_FOREACH(rr, q->answer) { |
853 | r = dns_question_matches_rr(question, rr, NULL); | |
854 | if (r < 0) | |
855 | goto finish; | |
856 | if (r == 0) | |
857 | continue; | |
45ec7efb | 858 | |
23b298bc LP |
859 | r = append_txt(reply, rr); |
860 | if (r < 0) | |
861 | goto finish; | |
45ec7efb LP |
862 | } |
863 | ||
864 | r = sd_bus_message_close_container(reply); | |
865 | if (r < 0) | |
866 | goto finish; | |
867 | ||
868 | assert(canonical); | |
869 | r = dns_service_split(DNS_RESOURCE_KEY_NAME(canonical->key), &name, &type, &domain); | |
870 | if (r < 0) | |
871 | goto finish; | |
872 | ||
873 | r = sd_bus_message_append( | |
874 | reply, | |
875 | "ssst", | |
876 | name, type, domain, | |
931851e8 | 877 | SD_RESOLVED_FLAGS_MAKE(q->answer_protocol, q->answer_family, q->answer_authenticated)); |
45ec7efb LP |
878 | if (r < 0) |
879 | goto finish; | |
880 | ||
881 | r = sd_bus_send(q->manager->bus, reply, NULL); | |
882 | ||
883 | finish: | |
884 | if (r < 0) { | |
885 | log_error_errno(r, "Failed to send service reply: %m"); | |
886 | sd_bus_reply_method_errno(q->request, r, NULL); | |
887 | } | |
888 | ||
889 | dns_query_free(q); | |
890 | } | |
891 | ||
892 | static void resolve_service_hostname_complete(DnsQuery *q) { | |
893 | int r; | |
894 | ||
895 | assert(q); | |
896 | assert(q->auxiliary_for); | |
897 | ||
898 | if (q->state != DNS_TRANSACTION_SUCCESS) { | |
899 | resolve_service_all_complete(q->auxiliary_for); | |
900 | return; | |
901 | } | |
902 | ||
903 | r = dns_query_process_cname(q); | |
7588460a | 904 | if (r == DNS_QUERY_RESTARTED) /* This was a cname, and the query was restarted. */ |
45ec7efb LP |
905 | return; |
906 | ||
907 | /* This auxiliary lookup is finished or failed, let's see if all are finished now. */ | |
908 | q->auxiliary_result = r; | |
909 | resolve_service_all_complete(q->auxiliary_for); | |
910 | } | |
911 | ||
912 | static int resolve_service_hostname(DnsQuery *q, DnsResourceRecord *rr, int ifindex) { | |
913 | _cleanup_(dns_question_unrefp) DnsQuestion *question = NULL; | |
914 | DnsQuery *aux; | |
915 | int r; | |
916 | ||
917 | assert(q); | |
918 | assert(rr); | |
919 | assert(rr->key); | |
920 | assert(rr->key->type == DNS_TYPE_SRV); | |
921 | ||
922 | /* OK, we found an SRV record for the service. Let's resolve | |
923 | * the hostname included in it */ | |
924 | ||
23b298bc | 925 | r = dns_question_new_address(&question, q->request_family, rr->srv.name, false); |
45ec7efb LP |
926 | if (r < 0) |
927 | return r; | |
928 | ||
23b298bc | 929 | r = dns_query_new(q->manager, &aux, question, question, ifindex, q->flags|SD_RESOLVED_NO_SEARCH); |
45ec7efb LP |
930 | if (r < 0) |
931 | return r; | |
932 | ||
933 | aux->request_family = q->request_family; | |
934 | aux->complete = resolve_service_hostname_complete; | |
935 | ||
936 | r = dns_query_make_auxiliary(aux, q); | |
937 | if (r == -EAGAIN) { | |
938 | /* Too many auxiliary lookups? If so, don't complain, | |
939 | * let's just not add this one, we already have more | |
940 | * than enough */ | |
941 | ||
942 | dns_query_free(aux); | |
943 | return 0; | |
944 | } | |
945 | if (r < 0) | |
946 | goto fail; | |
947 | ||
948 | /* Note that auxiliary queries do not track the original bus | |
949 | * client, only the primary request does that. */ | |
950 | ||
951 | r = dns_query_go(aux); | |
952 | if (r < 0) | |
953 | goto fail; | |
954 | ||
955 | return 1; | |
956 | ||
957 | fail: | |
958 | dns_query_free(aux); | |
959 | return r; | |
960 | } | |
961 | ||
962 | static void bus_method_resolve_service_complete(DnsQuery *q) { | |
23b298bc LP |
963 | bool has_root_domain = false; |
964 | DnsResourceRecord *rr; | |
965 | DnsQuestion *question; | |
45ec7efb | 966 | unsigned found = 0; |
23b298bc | 967 | int ifindex, r; |
45ec7efb LP |
968 | |
969 | assert(q); | |
970 | ||
971 | if (q->state != DNS_TRANSACTION_SUCCESS) { | |
972 | r = reply_query_state(q); | |
973 | goto finish; | |
974 | } | |
975 | ||
976 | r = dns_query_process_cname(q); | |
977 | if (r == -ELOOP) { | |
23b298bc | 978 | r = sd_bus_reply_method_errorf(q->request, BUS_ERROR_CNAME_LOOP, "CNAME loop detected, or CNAME resolving disabled on '%s'", dns_query_string(q)); |
45ec7efb LP |
979 | goto finish; |
980 | } | |
981 | if (r < 0) | |
982 | goto finish; | |
7588460a | 983 | if (r == DNS_QUERY_RESTARTED) /* This was a cname, and the query was restarted. */ |
45ec7efb LP |
984 | return; |
985 | ||
23b298bc | 986 | question = dns_query_question_for_protocol(q, q->answer_protocol); |
45ec7efb | 987 | |
23b298bc LP |
988 | DNS_ANSWER_FOREACH_IFINDEX(rr, ifindex, q->answer) { |
989 | r = dns_question_matches_rr(question, rr, NULL); | |
990 | if (r < 0) | |
991 | goto finish; | |
992 | if (r == 0) | |
993 | continue; | |
45ec7efb | 994 | |
23b298bc LP |
995 | if (rr->key->type != DNS_TYPE_SRV) |
996 | continue; | |
9a1f0c28 | 997 | |
23b298bc LP |
998 | if (dns_name_is_root(rr->srv.name)) { |
999 | has_root_domain = true; | |
1000 | continue; | |
1001 | } | |
45ec7efb | 1002 | |
23b298bc LP |
1003 | if ((q->flags & SD_RESOLVED_NO_ADDRESS) == 0) { |
1004 | q->block_all_complete ++; | |
1005 | r = resolve_service_hostname(q, rr, ifindex); | |
1006 | q->block_all_complete --; | |
45ec7efb | 1007 | |
23b298bc LP |
1008 | if (r < 0) |
1009 | goto finish; | |
45ec7efb | 1010 | } |
9a1f0c28 | 1011 | |
23b298bc LP |
1012 | found++; |
1013 | } | |
9a1f0c28 | 1014 | |
23b298bc LP |
1015 | if (has_root_domain && found <= 0) { |
1016 | /* If there's exactly one SRV RR and it uses | |
1017 | * the root domain as host name, then the | |
1018 | * service is explicitly not offered on the | |
1019 | * domain. Report this as a recognizable | |
1020 | * error. See RFC 2782, Section "Usage | |
1021 | * Rules". */ | |
1022 | r = sd_bus_reply_method_errorf(q->request, BUS_ERROR_NO_SUCH_SERVICE, "'%s' does not provide the requested service", dns_query_string(q)); | |
1023 | goto finish; | |
45ec7efb LP |
1024 | } |
1025 | ||
1026 | if (found <= 0) { | |
23b298bc | 1027 | r = sd_bus_reply_method_errorf(q->request, BUS_ERROR_NO_SUCH_RR, "'%s' does not have any RR of the requested type", dns_query_string(q)); |
45ec7efb LP |
1028 | goto finish; |
1029 | } | |
1030 | ||
1031 | /* Maybe we are already finished? check now... */ | |
1032 | resolve_service_all_complete(q); | |
1033 | return; | |
1034 | ||
1035 | finish: | |
2d4c5cbc | 1036 | if (r < 0) { |
45ec7efb LP |
1037 | log_error_errno(r, "Failed to send service reply: %m"); |
1038 | sd_bus_reply_method_errno(q->request, r, NULL); | |
1039 | } | |
1040 | ||
1041 | dns_query_free(q); | |
1042 | } | |
1043 | ||
1044 | static int bus_method_resolve_service(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
23b298bc LP |
1045 | _cleanup_(dns_question_unrefp) DnsQuestion *question_idna = NULL, *question_utf8 = NULL; |
1046 | const char *name, *type, *domain; | |
45ec7efb LP |
1047 | _cleanup_free_ char *n = NULL; |
1048 | Manager *m = userdata; | |
1049 | int family, ifindex; | |
1050 | uint64_t flags; | |
1051 | DnsQuery *q; | |
1052 | int r; | |
1053 | ||
1054 | assert(message); | |
1055 | assert(m); | |
1056 | ||
1057 | assert_cc(sizeof(int) == sizeof(int32_t)); | |
1058 | ||
1059 | r = sd_bus_message_read(message, "isssit", &ifindex, &name, &type, &domain, &family, &flags); | |
1060 | if (r < 0) | |
2d4c5cbc | 1061 | return r; |
45ec7efb LP |
1062 | |
1063 | if (!IN_SET(family, AF_INET, AF_INET6, AF_UNSPEC)) | |
1064 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unknown address family %i", family); | |
1065 | ||
1066 | if (isempty(name)) | |
1067 | name = NULL; | |
23b298bc LP |
1068 | else if (!dns_service_name_is_valid(name)) |
1069 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid service name '%s'", name); | |
2d4c5cbc | 1070 | |
45ec7efb LP |
1071 | if (isempty(type)) |
1072 | type = NULL; | |
7e8131e9 LP |
1073 | else if (!dns_srv_type_is_valid(type)) |
1074 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid SRV service type '%s'", type); | |
45ec7efb LP |
1075 | |
1076 | r = dns_name_is_valid(domain); | |
1077 | if (r < 0) | |
1078 | return r; | |
1079 | if (r == 0) | |
1080 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid domain '%s'", domain); | |
1081 | ||
1082 | if (name && !type) | |
1083 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Service name cannot be specified without service type."); | |
1084 | ||
1085 | r = check_ifindex_flags(ifindex, &flags, SD_RESOLVED_NO_TXT|SD_RESOLVED_NO_ADDRESS, error); | |
1086 | if (r < 0) | |
1087 | return r; | |
1088 | ||
23b298bc LP |
1089 | r = dns_question_new_service(&question_utf8, name, type, domain, !(flags & SD_RESOLVED_NO_TXT), false); |
1090 | if (r < 0) | |
1091 | return r; | |
45ec7efb | 1092 | |
23b298bc | 1093 | r = dns_question_new_service(&question_idna, name, type, domain, !(flags & SD_RESOLVED_NO_TXT), true); |
45ec7efb LP |
1094 | if (r < 0) |
1095 | return r; | |
1096 | ||
23b298bc | 1097 | r = dns_query_new(m, &q, question_utf8, question_idna, ifindex, flags|SD_RESOLVED_NO_SEARCH); |
45ec7efb LP |
1098 | if (r < 0) |
1099 | return r; | |
1100 | ||
1101 | q->request = sd_bus_message_ref(message); | |
1102 | q->request_family = family; | |
1103 | q->complete = bus_method_resolve_service_complete; | |
1104 | ||
1105 | r = dns_query_bus_track(q, message); | |
1106 | if (r < 0) | |
1107 | goto fail; | |
1108 | ||
1109 | r = dns_query_go(q); | |
1110 | if (r < 0) | |
1111 | goto fail; | |
1112 | ||
2d4c5cbc | 1113 | return 1; |
45ec7efb LP |
1114 | |
1115 | fail: | |
1116 | dns_query_free(q); | |
1117 | return r; | |
2d4c5cbc LP |
1118 | } |
1119 | ||
3abaabda | 1120 | int bus_dns_server_append(sd_bus_message *reply, DnsServer *s, bool with_ifindex) { |
7f220d94 LP |
1121 | int r; |
1122 | ||
1123 | assert(reply); | |
1124 | assert(s); | |
1125 | ||
3abaabda | 1126 | r = sd_bus_message_open_container(reply, 'r', with_ifindex ? "iiay" : "iay"); |
7f220d94 LP |
1127 | if (r < 0) |
1128 | return r; | |
1129 | ||
3abaabda LP |
1130 | if (with_ifindex) { |
1131 | r = sd_bus_message_append(reply, "i", s->link ? s->link->ifindex : 0); | |
1132 | if (r < 0) | |
1133 | return r; | |
1134 | } | |
1135 | ||
1136 | r = sd_bus_message_append(reply, "i", s->family); | |
7f220d94 LP |
1137 | if (r < 0) |
1138 | return r; | |
1139 | ||
1140 | r = sd_bus_message_append_array(reply, 'y', &s->address, FAMILY_ADDRESS_SIZE(s->family)); | |
1141 | if (r < 0) | |
1142 | return r; | |
1143 | ||
1144 | return sd_bus_message_close_container(reply); | |
1145 | } | |
1146 | ||
1147 | static int bus_property_get_dns_servers( | |
1148 | sd_bus *bus, | |
1149 | const char *path, | |
1150 | const char *interface, | |
1151 | const char *property, | |
1152 | sd_bus_message *reply, | |
1153 | void *userdata, | |
1154 | sd_bus_error *error) { | |
1155 | ||
1156 | Manager *m = userdata; | |
1157 | unsigned c = 0; | |
1158 | DnsServer *s; | |
1159 | Iterator i; | |
1160 | Link *l; | |
1161 | int r; | |
1162 | ||
1163 | assert(reply); | |
1164 | assert(m); | |
1165 | ||
1166 | r = sd_bus_message_open_container(reply, 'a', "(iiay)"); | |
1167 | if (r < 0) | |
1168 | return r; | |
1169 | ||
1170 | LIST_FOREACH(servers, s, m->dns_servers) { | |
3abaabda | 1171 | r = bus_dns_server_append(reply, s, true); |
7f220d94 LP |
1172 | if (r < 0) |
1173 | return r; | |
1174 | ||
1175 | c++; | |
1176 | } | |
1177 | ||
1178 | HASHMAP_FOREACH(l, m->links, i) { | |
1179 | LIST_FOREACH(servers, s, l->dns_servers) { | |
3abaabda | 1180 | r = bus_dns_server_append(reply, s, true); |
7f220d94 LP |
1181 | if (r < 0) |
1182 | return r; | |
1183 | c++; | |
1184 | } | |
1185 | } | |
1186 | ||
1187 | if (c == 0) { | |
1188 | LIST_FOREACH(servers, s, m->fallback_dns_servers) { | |
3abaabda | 1189 | r = bus_dns_server_append(reply, s, true); |
7f220d94 LP |
1190 | if (r < 0) |
1191 | return r; | |
1192 | } | |
1193 | } | |
1194 | ||
1195 | return sd_bus_message_close_container(reply); | |
1196 | } | |
1197 | ||
1198 | static int bus_property_get_search_domains( | |
1199 | sd_bus *bus, | |
1200 | const char *path, | |
1201 | const char *interface, | |
1202 | const char *property, | |
1203 | sd_bus_message *reply, | |
1204 | void *userdata, | |
1205 | sd_bus_error *error) { | |
1206 | ||
1207 | Manager *m = userdata; | |
1208 | DnsSearchDomain *d; | |
1209 | Iterator i; | |
1210 | Link *l; | |
1211 | int r; | |
1212 | ||
1213 | assert(reply); | |
1214 | assert(m); | |
1215 | ||
1216 | r = sd_bus_message_open_container(reply, 'a', "(is)"); | |
1217 | if (r < 0) | |
1218 | return r; | |
1219 | ||
1220 | LIST_FOREACH(domains, d, m->search_domains) { | |
1221 | r = sd_bus_message_append(reply, "(is)", 0, d->name); | |
1222 | if (r < 0) | |
1223 | return r; | |
1224 | } | |
1225 | ||
1226 | HASHMAP_FOREACH(l, m->links, i) { | |
1227 | LIST_FOREACH(domains, d, l->search_domains) { | |
1228 | r = sd_bus_message_append(reply, "is", l->ifindex, d->name); | |
1229 | if (r < 0) | |
1230 | return r; | |
1231 | } | |
1232 | } | |
1233 | ||
1234 | return sd_bus_message_close_container(reply); | |
1235 | } | |
1236 | ||
a150ff5e LP |
1237 | static int bus_property_get_transaction_statistics( |
1238 | sd_bus *bus, | |
1239 | const char *path, | |
1240 | const char *interface, | |
1241 | const char *property, | |
1242 | sd_bus_message *reply, | |
1243 | void *userdata, | |
1244 | sd_bus_error *error) { | |
1245 | ||
1246 | Manager *m = userdata; | |
1247 | ||
1248 | assert(reply); | |
1249 | assert(m); | |
1250 | ||
1251 | return sd_bus_message_append(reply, "(tt)", | |
1252 | (uint64_t) hashmap_size(m->dns_transactions), | |
1253 | (uint64_t) m->n_transactions_total); | |
1254 | } | |
1255 | ||
1256 | static int bus_property_get_cache_statistics( | |
1257 | sd_bus *bus, | |
1258 | const char *path, | |
1259 | const char *interface, | |
1260 | const char *property, | |
1261 | sd_bus_message *reply, | |
1262 | void *userdata, | |
1263 | sd_bus_error *error) { | |
1264 | ||
1265 | uint64_t size = 0, hit = 0, miss = 0; | |
1266 | Manager *m = userdata; | |
1267 | DnsScope *s; | |
1268 | ||
1269 | assert(reply); | |
1270 | assert(m); | |
1271 | ||
1272 | LIST_FOREACH(scopes, s, m->dns_scopes) { | |
1273 | size += dns_cache_size(&s->cache); | |
1274 | hit += s->cache.n_hit; | |
1275 | miss += s->cache.n_miss; | |
1276 | } | |
1277 | ||
1278 | return sd_bus_message_append(reply, "(ttt)", size, hit, miss); | |
1279 | } | |
1280 | ||
1281 | static int bus_property_get_dnssec_statistics( | |
1282 | sd_bus *bus, | |
1283 | const char *path, | |
1284 | const char *interface, | |
1285 | const char *property, | |
1286 | sd_bus_message *reply, | |
1287 | void *userdata, | |
1288 | sd_bus_error *error) { | |
1289 | ||
1290 | Manager *m = userdata; | |
1291 | ||
1292 | assert(reply); | |
1293 | assert(m); | |
1294 | ||
1295 | return sd_bus_message_append(reply, "(tttt)", | |
1296 | (uint64_t) m->n_dnssec_secure, | |
1297 | (uint64_t) m->n_dnssec_insecure, | |
1298 | (uint64_t) m->n_dnssec_bogus, | |
1299 | (uint64_t) m->n_dnssec_indeterminate); | |
1300 | } | |
1301 | ||
593f665c LP |
1302 | static int bus_property_get_dnssec_supported( |
1303 | sd_bus *bus, | |
1304 | const char *path, | |
1305 | const char *interface, | |
1306 | const char *property, | |
1307 | sd_bus_message *reply, | |
1308 | void *userdata, | |
1309 | sd_bus_error *error) { | |
1310 | ||
1311 | Manager *m = userdata; | |
1312 | DnsServer *server; | |
1313 | bool supported = true; | |
1314 | Iterator i; | |
1315 | Link *l; | |
1316 | ||
1317 | assert(reply); | |
1318 | assert(m); | |
1319 | ||
1320 | server = manager_get_dns_server(m); | |
1321 | if (server) | |
1322 | supported = supported && dns_server_dnssec_supported(server); | |
1323 | ||
1324 | HASHMAP_FOREACH(l, m->links, i) { | |
1325 | server = link_get_dns_server(l); | |
1326 | if (server) | |
1327 | supported = supported && dns_server_dnssec_supported(server); | |
1328 | } | |
1329 | ||
1330 | return sd_bus_message_append(reply, "b", supported); | |
1331 | } | |
1332 | ||
a150ff5e LP |
1333 | static int bus_method_reset_statistics(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
1334 | Manager *m = userdata; | |
1335 | DnsScope *s; | |
1336 | ||
1337 | assert(message); | |
1338 | assert(m); | |
1339 | ||
1340 | LIST_FOREACH(scopes, s, m->dns_scopes) | |
1341 | s->cache.n_hit = s->cache.n_miss = 0; | |
1342 | ||
1343 | m->n_transactions_total = 0; | |
1344 | m->n_dnssec_secure = m->n_dnssec_insecure = m->n_dnssec_bogus = m->n_dnssec_indeterminate = 0; | |
1345 | ||
1346 | return sd_bus_reply_method_return(message, NULL); | |
1347 | } | |
1348 | ||
3abaabda | 1349 | static int get_any_link(Manager *m, int ifindex, Link **ret, sd_bus_error *error) { |
97e5d693 LP |
1350 | Link *l; |
1351 | ||
1352 | assert(m); | |
3abaabda | 1353 | assert(ret); |
97e5d693 LP |
1354 | |
1355 | if (ifindex <= 0) | |
1356 | return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid interface index"); | |
1357 | ||
1358 | l = hashmap_get(m->links, INT_TO_PTR(ifindex)); | |
1359 | if (!l) | |
1360 | return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_LINK, "Link %i not known", ifindex); | |
3abaabda LP |
1361 | |
1362 | *ret = l; | |
1363 | return 0; | |
1364 | } | |
1365 | ||
1366 | static int get_unmanaged_link(Manager *m, int ifindex, Link **ret, sd_bus_error *error) { | |
1367 | Link *l; | |
1368 | int r; | |
1369 | ||
1370 | assert(m); | |
1371 | assert(ret); | |
1372 | ||
1373 | r = get_any_link(m, ifindex, &l, error); | |
1374 | if (r < 0) | |
1375 | return r; | |
1376 | ||
97e5d693 LP |
1377 | if (l->flags & IFF_LOOPBACK) |
1378 | return sd_bus_error_setf(error, BUS_ERROR_LINK_BUSY, "Link %s is loopback device.", l->name); | |
1379 | if (l->is_managed) | |
1380 | return sd_bus_error_setf(error, BUS_ERROR_LINK_BUSY, "Link %s is managed.", l->name); | |
1381 | ||
1382 | *ret = l; | |
1383 | return 0; | |
1384 | } | |
1385 | ||
d2ec6608 | 1386 | static int call_link_method(Manager *m, sd_bus_message *message, sd_bus_message_handler_t handler, sd_bus_error *error) { |
97e5d693 | 1387 | int ifindex, r; |
97e5d693 LP |
1388 | Link *l; |
1389 | ||
97e5d693 | 1390 | assert(m); |
97e5d693 | 1391 | assert(message); |
d2ec6608 | 1392 | assert(handler); |
97e5d693 | 1393 | |
d2ec6608 | 1394 | assert_cc(sizeof(int) == sizeof(int32_t)); |
97e5d693 LP |
1395 | r = sd_bus_message_read(message, "i", &ifindex); |
1396 | if (r < 0) | |
1397 | return r; | |
1398 | ||
1399 | r = get_unmanaged_link(m, ifindex, &l, error); | |
1400 | if (r < 0) | |
1401 | return r; | |
1402 | ||
d2ec6608 LP |
1403 | return handler(message, l, error); |
1404 | } | |
97e5d693 | 1405 | |
d2ec6608 LP |
1406 | static int bus_method_set_link_dns_servers(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
1407 | return call_link_method(userdata, message, bus_link_method_set_dns_servers, error); | |
1408 | } | |
97e5d693 | 1409 | |
d2ec6608 LP |
1410 | static int bus_method_set_link_search_domains(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
1411 | return call_link_method(userdata, message, bus_link_method_set_search_domains, error); | |
97e5d693 LP |
1412 | } |
1413 | ||
1414 | static int bus_method_set_link_llmnr(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
d2ec6608 | 1415 | return call_link_method(userdata, message, bus_link_method_set_llmnr, error); |
97e5d693 LP |
1416 | } |
1417 | ||
1418 | static int bus_method_set_link_mdns(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
d2ec6608 | 1419 | return call_link_method(userdata, message, bus_link_method_set_mdns, error); |
97e5d693 LP |
1420 | } |
1421 | ||
1422 | static int bus_method_set_link_dnssec(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
d2ec6608 | 1423 | return call_link_method(userdata, message, bus_link_method_set_dnssec, error); |
97e5d693 LP |
1424 | } |
1425 | ||
1426 | static int bus_method_set_link_dnssec_negative_trust_anchors(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
d2ec6608 | 1427 | return call_link_method(userdata, message, bus_link_method_set_dnssec_negative_trust_anchors, error); |
97e5d693 LP |
1428 | } |
1429 | ||
1430 | static int bus_method_revert_link(sd_bus_message *message, void *userdata, sd_bus_error *error) { | |
d2ec6608 | 1431 | return call_link_method(userdata, message, bus_link_method_revert, error); |
97e5d693 LP |
1432 | } |
1433 | ||
3abaabda LP |
1434 | static int bus_method_get_link(sd_bus_message *message, void *userdata, sd_bus_error *error) { |
1435 | _cleanup_free_ char *p = NULL; | |
1436 | Manager *m = userdata; | |
1437 | int r, ifindex; | |
1438 | Link *l; | |
1439 | ||
1440 | assert(message); | |
1441 | assert(m); | |
1442 | ||
1443 | assert_cc(sizeof(int) == sizeof(int32_t)); | |
3abaabda LP |
1444 | r = sd_bus_message_read(message, "i", &ifindex); |
1445 | if (r < 0) | |
1446 | return r; | |
1447 | ||
1448 | r = get_any_link(m, ifindex, &l, error); | |
1449 | if (r < 0) | |
1450 | return r; | |
1451 | ||
1452 | p = link_bus_path(l); | |
1453 | if (!p) | |
1454 | return -ENOMEM; | |
1455 | ||
1456 | return sd_bus_reply_method_return(message, "o", p); | |
1457 | } | |
1458 | ||
74b2466e LP |
1459 | static const sd_bus_vtable resolve_vtable[] = { |
1460 | SD_BUS_VTABLE_START(0), | |
7f220d94 | 1461 | SD_BUS_PROPERTY("LLMNRHostname", "s", NULL, offsetof(Manager, llmnr_hostname), 0), |
e40f0647 LP |
1462 | SD_BUS_PROPERTY("DNS", "a(iiay)", bus_property_get_dns_servers, 0, 0), |
1463 | SD_BUS_PROPERTY("Domains", "a(is)", bus_property_get_search_domains, 0, 0), | |
a150ff5e LP |
1464 | SD_BUS_PROPERTY("TransactionStatistics", "(tt)", bus_property_get_transaction_statistics, 0, 0), |
1465 | SD_BUS_PROPERTY("CacheStatistics", "(ttt)", bus_property_get_cache_statistics, 0, 0), | |
1466 | SD_BUS_PROPERTY("DNSSECStatistics", "(tttt)", bus_property_get_dnssec_statistics, 0, 0), | |
593f665c | 1467 | SD_BUS_PROPERTY("DNSSECSupported", "b", bus_property_get_dnssec_supported, 0, 0), |
7f220d94 | 1468 | |
78c6a153 LP |
1469 | SD_BUS_METHOD("ResolveHostname", "isit", "a(iiay)st", bus_method_resolve_hostname, SD_BUS_VTABLE_UNPRIVILEGED), |
1470 | SD_BUS_METHOD("ResolveAddress", "iiayt", "a(is)t", bus_method_resolve_address, SD_BUS_VTABLE_UNPRIVILEGED), | |
1471 | SD_BUS_METHOD("ResolveRecord", "isqqt", "a(iqqay)t", bus_method_resolve_record, SD_BUS_VTABLE_UNPRIVILEGED), | |
45ec7efb | 1472 | SD_BUS_METHOD("ResolveService", "isssit", "a(qqqsa(iiay)s)aayssst", bus_method_resolve_service, SD_BUS_VTABLE_UNPRIVILEGED), |
a150ff5e | 1473 | SD_BUS_METHOD("ResetStatistics", NULL, NULL, bus_method_reset_statistics, 0), |
3abaabda | 1474 | SD_BUS_METHOD("GetLink", "i", "o", bus_method_get_link, SD_BUS_VTABLE_UNPRIVILEGED), |
97e5d693 | 1475 | SD_BUS_METHOD("SetLinkDNS", "ia(iay)", NULL, bus_method_set_link_dns_servers, 0), |
d2ec6608 | 1476 | SD_BUS_METHOD("SetLinkDomains", "ias", NULL, bus_method_set_link_search_domains, 0), |
97e5d693 LP |
1477 | SD_BUS_METHOD("SetLinkLLMNR", "is", NULL, bus_method_set_link_llmnr, 0), |
1478 | SD_BUS_METHOD("SetLinkMulticastDNS", "is", NULL, bus_method_set_link_mdns, 0), | |
1479 | SD_BUS_METHOD("SetLinkDNSSEC", "is", NULL, bus_method_set_link_dnssec, 0), | |
1480 | SD_BUS_METHOD("SetLinkDNSSECNegativeTrustAnchors", "ias", NULL, bus_method_set_link_dnssec_negative_trust_anchors, 0), | |
1481 | SD_BUS_METHOD("RevertLink", "i", NULL, bus_method_revert_link, 0), | |
1482 | ||
74b2466e LP |
1483 | SD_BUS_VTABLE_END, |
1484 | }; | |
1485 | ||
1486 | static int on_bus_retry(sd_event_source *s, usec_t usec, void *userdata) { | |
1487 | Manager *m = userdata; | |
1488 | ||
1489 | assert(s); | |
1490 | assert(m); | |
1491 | ||
1492 | m->bus_retry_event_source = sd_event_source_unref(m->bus_retry_event_source); | |
1493 | ||
1494 | manager_connect_bus(m); | |
1495 | return 0; | |
1496 | } | |
1497 | ||
19070062 | 1498 | static int match_prepare_for_sleep(sd_bus_message *message, void *userdata, sd_bus_error *ret_error) { |
902bb5d8 LP |
1499 | Manager *m = userdata; |
1500 | int b, r; | |
1501 | ||
19070062 LP |
1502 | assert(message); |
1503 | assert(m); | |
902bb5d8 LP |
1504 | |
1505 | r = sd_bus_message_read(message, "b", &b); | |
1506 | if (r < 0) { | |
da927ba9 | 1507 | log_debug_errno(r, "Failed to parse PrepareForSleep signal: %m"); |
902bb5d8 LP |
1508 | return 0; |
1509 | } | |
1510 | ||
1511 | if (b) | |
1512 | return 0; | |
1513 | ||
1514 | log_debug("Coming back from suspend, verifying all RRs..."); | |
1515 | ||
1516 | manager_verify_all(m); | |
1517 | return 0; | |
1518 | } | |
1519 | ||
74b2466e LP |
1520 | int manager_connect_bus(Manager *m) { |
1521 | int r; | |
1522 | ||
1523 | assert(m); | |
1524 | ||
1525 | if (m->bus) | |
1526 | return 0; | |
1527 | ||
1528 | r = sd_bus_default_system(&m->bus); | |
1529 | if (r < 0) { | |
1530 | /* We failed to connect? Yuck, we must be in early | |
1531 | * boot. Let's try in 5s again. As soon as we have | |
1532 | * kdbus we can stop doing this... */ | |
1533 | ||
da927ba9 | 1534 | log_debug_errno(r, "Failed to connect to bus, trying again in 5s: %m"); |
74b2466e LP |
1535 | |
1536 | r = sd_event_add_time(m->event, &m->bus_retry_event_source, CLOCK_MONOTONIC, now(CLOCK_MONOTONIC) + 5*USEC_PER_SEC, 0, on_bus_retry, m); | |
f647962d MS |
1537 | if (r < 0) |
1538 | return log_error_errno(r, "Failed to install bus reconnect time event: %m"); | |
74b2466e | 1539 | |
aa4a9deb | 1540 | (void) sd_event_source_set_description(m->bus_retry_event_source, "bus-retry"); |
74b2466e LP |
1541 | return 0; |
1542 | } | |
1543 | ||
4d1cf1e2 | 1544 | r = sd_bus_add_object_vtable(m->bus, NULL, "/org/freedesktop/resolve1", "org.freedesktop.resolve1.Manager", resolve_vtable, m); |
f647962d MS |
1545 | if (r < 0) |
1546 | return log_error_errno(r, "Failed to register object: %m"); | |
74b2466e | 1547 | |
3abaabda LP |
1548 | r = sd_bus_add_fallback_vtable(m->bus, NULL, "/org/freedesktop/resolve1/link", "org.freedesktop.resolve1.Link", link_vtable, link_object_find, m); |
1549 | if (r < 0) | |
1550 | return log_error_errno(r, "Failed to register link objects: %m"); | |
1551 | ||
1552 | r = sd_bus_add_node_enumerator(m->bus, NULL, "/org/freedesktop/resolve1/link", link_node_enumerator, m); | |
1553 | if (r < 0) | |
1554 | return log_error_errno(r, "Failed to register link enumerator: %m"); | |
1555 | ||
74b2466e | 1556 | r = sd_bus_request_name(m->bus, "org.freedesktop.resolve1", 0); |
f647962d MS |
1557 | if (r < 0) |
1558 | return log_error_errno(r, "Failed to register name: %m"); | |
74b2466e LP |
1559 | |
1560 | r = sd_bus_attach_event(m->bus, m->event, 0); | |
f647962d MS |
1561 | if (r < 0) |
1562 | return log_error_errno(r, "Failed to attach bus to event loop: %m"); | |
74b2466e | 1563 | |
902bb5d8 LP |
1564 | r = sd_bus_add_match(m->bus, &m->prepare_for_sleep_slot, |
1565 | "type='signal'," | |
1566 | "sender='org.freedesktop.login1'," | |
1567 | "interface='org.freedesktop.login1.Manager'," | |
1568 | "member='PrepareForSleep'," | |
1569 | "path='/org/freedesktop/login1'", | |
1570 | match_prepare_for_sleep, | |
1571 | m); | |
1572 | if (r < 0) | |
da927ba9 | 1573 | log_error_errno(r, "Failed to add match for PrepareForSleep: %m"); |
902bb5d8 | 1574 | |
74b2466e LP |
1575 | return 0; |
1576 | } |