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resolvectl: add the usual typedef for struct link_info/global_info
[thirdparty/systemd.git] / src / resolve / resolvectl.c
1 /* SPDX-License-Identifier: LGPL-2.1+ */
2
3 #include <getopt.h>
4 #include <locale.h>
5 #include <net/if.h>
6
7 #include "sd-bus.h"
8 #include "sd-netlink.h"
9
10 #include "af-list.h"
11 #include "alloc-util.h"
12 #include "bus-common-errors.h"
13 #include "bus-error.h"
14 #include "bus-locator.h"
15 #include "bus-map-properties.h"
16 #include "bus-message-util.h"
17 #include "dns-domain.h"
18 #include "escape.h"
19 #include "format-table.h"
20 #include "format-util.h"
21 #include "gcrypt-util.h"
22 #include "main-func.h"
23 #include "missing_network.h"
24 #include "netlink-util.h"
25 #include "pager.h"
26 #include "parse-util.h"
27 #include "pretty-print.h"
28 #include "resolvconf-compat.h"
29 #include "resolvectl.h"
30 #include "resolved-def.h"
31 #include "resolved-dns-packet.h"
32 #include "socket-netlink.h"
33 #include "sort-util.h"
34 #include "stdio-util.h"
35 #include "string-table.h"
36 #include "strv.h"
37 #include "terminal-util.h"
38 #include "utf8.h"
39 #include "verbs.h"
40
41 static int arg_family = AF_UNSPEC;
42 static int arg_ifindex = 0;
43 static char *arg_ifname = NULL;
44 static uint16_t arg_type = 0;
45 static uint16_t arg_class = 0;
46 static bool arg_legend = true;
47 static uint64_t arg_flags = 0;
48 static PagerFlags arg_pager_flags = 0;
49 bool arg_ifindex_permissive = false; /* If true, don't generate an error if the specified interface index doesn't exist */
50 static const char *arg_service_family = NULL;
51
52 typedef enum RawType {
53 RAW_NONE,
54 RAW_PAYLOAD,
55 RAW_PACKET,
56 } RawType;
57 static RawType arg_raw = RAW_NONE;
58
59 ExecutionMode arg_mode = MODE_RESOLVE_HOST;
60
61 char **arg_set_dns = NULL;
62 char **arg_set_domain = NULL;
63 static const char *arg_set_llmnr = NULL;
64 static const char *arg_set_mdns = NULL;
65 static const char *arg_set_dns_over_tls = NULL;
66 static const char *arg_set_dnssec = NULL;
67 static char **arg_set_nta = NULL;
68
69 STATIC_DESTRUCTOR_REGISTER(arg_ifname, freep);
70 STATIC_DESTRUCTOR_REGISTER(arg_set_dns, strv_freep);
71 STATIC_DESTRUCTOR_REGISTER(arg_set_domain, strv_freep);
72 STATIC_DESTRUCTOR_REGISTER(arg_set_nta, strv_freep);
73
74 typedef enum StatusMode {
75 STATUS_ALL,
76 STATUS_DNS,
77 STATUS_DOMAIN,
78 STATUS_DEFAULT_ROUTE,
79 STATUS_LLMNR,
80 STATUS_MDNS,
81 STATUS_PRIVATE,
82 STATUS_DNSSEC,
83 STATUS_NTA,
84 } StatusMode;
85
86 typedef struct InterfaceInfo {
87 int index;
88 const char *name;
89 } InterfaceInfo;
90
91 static int interface_info_compare(const InterfaceInfo *a, const InterfaceInfo *b) {
92 int r;
93
94 r = CMP(a->index, b->index);
95 if (r != 0)
96 return r;
97
98 return strcmp_ptr(a->name, b->name);
99 }
100
101 int ifname_mangle(const char *s) {
102 _cleanup_free_ char *iface = NULL;
103 const char *dot;
104 int ifi;
105
106 assert(s);
107
108 dot = strchr(s, '.');
109 if (dot) {
110 log_debug("Ignoring protocol specifier '%s'.", dot + 1);
111 iface = strndup(s, dot - s);
112
113 } else
114 iface = strdup(s);
115 if (!iface)
116 return log_oom();
117
118 ifi = resolve_interface(NULL, iface);
119 if (ifi < 0) {
120 if (ifi == -ENODEV && arg_ifindex_permissive) {
121 log_debug("Interface '%s' not found, but -f specified, ignoring.", iface);
122 return 0; /* done */
123 }
124
125 return log_error_errno(ifi, "Failed to resolve interface \"%s\": %m", iface);
126 }
127
128 if (arg_ifindex > 0 && arg_ifindex != ifi)
129 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Specified multiple different interfaces. Refusing.");
130
131 arg_ifindex = ifi;
132 free_and_replace(arg_ifname, iface);
133
134 return 1;
135 }
136
137 static void print_source(uint64_t flags, usec_t rtt) {
138 char rtt_str[FORMAT_TIMESTAMP_MAX];
139
140 if (!arg_legend)
141 return;
142
143 if (flags == 0)
144 return;
145
146 printf("\n%s-- Information acquired via", ansi_grey());
147
148 if (flags != 0)
149 printf(" protocol%s%s%s%s%s",
150 flags & SD_RESOLVED_DNS ? " DNS" :"",
151 flags & SD_RESOLVED_LLMNR_IPV4 ? " LLMNR/IPv4" : "",
152 flags & SD_RESOLVED_LLMNR_IPV6 ? " LLMNR/IPv6" : "",
153 flags & SD_RESOLVED_MDNS_IPV4 ? " mDNS/IPv4" : "",
154 flags & SD_RESOLVED_MDNS_IPV6 ? " mDNS/IPv6" : "");
155
156 assert_se(format_timespan(rtt_str, sizeof(rtt_str), rtt, 100));
157
158 printf(" in %s.%s\n"
159 "%s-- Data is authenticated: %s%s\n",
160 rtt_str, ansi_normal(),
161 ansi_grey(), yes_no(flags & SD_RESOLVED_AUTHENTICATED), ansi_normal());
162 }
163
164 static void print_ifindex_comment(int printed_so_far, int ifindex) {
165 char ifname[IF_NAMESIZE + 1];
166
167 if (ifindex <= 0)
168 return;
169
170 if (!format_ifname(ifindex, ifname))
171 log_warning_errno(errno, "Failed to resolve interface name for index %i, ignoring: %m", ifindex);
172 else
173 printf("%*s%s-- link: %s%s",
174 60 > printed_so_far ? 60 - printed_so_far : 0, " ", /* Align comment to the 60th column */
175 ansi_grey(), ifname, ansi_normal());
176 }
177
178 static int resolve_host(sd_bus *bus, const char *name) {
179 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL, *reply = NULL;
180 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
181 const char *canonical = NULL;
182 unsigned c = 0;
183 uint64_t flags;
184 usec_t ts;
185 int r;
186
187 assert(name);
188
189 log_debug("Resolving %s (family %s, interface %s).", name, af_to_name(arg_family) ?: "*", isempty(arg_ifname) ? "*" : arg_ifname);
190
191 r = bus_message_new_method_call(bus, &req, bus_resolve_mgr, "ResolveHostname");
192 if (r < 0)
193 return bus_log_create_error(r);
194
195 r = sd_bus_message_append(req, "isit", arg_ifindex, name, arg_family, arg_flags);
196 if (r < 0)
197 return bus_log_create_error(r);
198
199 ts = now(CLOCK_MONOTONIC);
200
201 r = sd_bus_call(bus, req, SD_RESOLVED_QUERY_TIMEOUT_USEC, &error, &reply);
202 if (r < 0)
203 return log_error_errno(r, "%s: resolve call failed: %s", name, bus_error_message(&error, r));
204
205 ts = now(CLOCK_MONOTONIC) - ts;
206
207 r = sd_bus_message_enter_container(reply, 'a', "(iiay)");
208 if (r < 0)
209 return bus_log_parse_error(r);
210
211 while ((r = sd_bus_message_enter_container(reply, 'r', "iiay")) > 0) {
212 _cleanup_free_ char *pretty = NULL;
213 int ifindex, family, k;
214 union in_addr_union a;
215
216 assert_cc(sizeof(int) == sizeof(int32_t));
217
218 r = sd_bus_message_read(reply, "i", &ifindex);
219 if (r < 0)
220 return bus_log_parse_error(r);
221
222 sd_bus_error_free(&error);
223 r = bus_message_read_in_addr_auto(reply, &error, &family, &a);
224 if (r < 0 && !sd_bus_error_has_name(&error, SD_BUS_ERROR_INVALID_ARGS))
225 return log_error_errno(r, "%s: systemd-resolved returned invalid result: %s", name, bus_error_message(&error, r));
226
227 r = sd_bus_message_exit_container(reply);
228 if (r < 0)
229 return bus_log_parse_error(r);
230
231 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_INVALID_ARGS)) {
232 log_debug_errno(r, "%s: systemd-resolved returned invalid result, ignoring: %s", name, bus_error_message(&error, r));
233 continue;
234 }
235
236 r = in_addr_ifindex_to_string(family, &a, ifindex, &pretty);
237 if (r < 0)
238 return log_error_errno(r, "Failed to print address for %s: %m", name);
239
240 k = printf("%*s%s %s%s%s",
241 (int) strlen(name), c == 0 ? name : "", c == 0 ? ":" : " ",
242 ansi_highlight(), pretty, ansi_normal());
243
244 print_ifindex_comment(k, ifindex);
245 fputc('\n', stdout);
246
247 c++;
248 }
249 if (r < 0)
250 return bus_log_parse_error(r);
251
252 r = sd_bus_message_exit_container(reply);
253 if (r < 0)
254 return bus_log_parse_error(r);
255
256 r = sd_bus_message_read(reply, "st", &canonical, &flags);
257 if (r < 0)
258 return bus_log_parse_error(r);
259
260 if (!streq(name, canonical))
261 printf("%*s%s (%s)\n",
262 (int) strlen(name), c == 0 ? name : "", c == 0 ? ":" : " ",
263 canonical);
264
265 if (c == 0) {
266 log_error("%s: no addresses found", name);
267 return -ESRCH;
268 }
269
270 print_source(flags, ts);
271
272 return 0;
273 }
274
275 static int resolve_address(sd_bus *bus, int family, const union in_addr_union *address, int ifindex) {
276 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL, *reply = NULL;
277 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
278 _cleanup_free_ char *pretty = NULL;
279 uint64_t flags;
280 unsigned c = 0;
281 usec_t ts;
282 int r;
283
284 assert(bus);
285 assert(IN_SET(family, AF_INET, AF_INET6));
286 assert(address);
287
288 if (ifindex <= 0)
289 ifindex = arg_ifindex;
290
291 r = in_addr_ifindex_to_string(family, address, ifindex, &pretty);
292 if (r < 0)
293 return log_oom();
294
295 log_debug("Resolving %s.", pretty);
296
297 r = bus_message_new_method_call(bus, &req, bus_resolve_mgr, "ResolveAddress");
298 if (r < 0)
299 return bus_log_create_error(r);
300
301 r = sd_bus_message_append(req, "ii", ifindex, family);
302 if (r < 0)
303 return bus_log_create_error(r);
304
305 r = sd_bus_message_append_array(req, 'y', address, FAMILY_ADDRESS_SIZE(family));
306 if (r < 0)
307 return bus_log_create_error(r);
308
309 r = sd_bus_message_append(req, "t", arg_flags);
310 if (r < 0)
311 return bus_log_create_error(r);
312
313 ts = now(CLOCK_MONOTONIC);
314
315 r = sd_bus_call(bus, req, SD_RESOLVED_QUERY_TIMEOUT_USEC, &error, &reply);
316 if (r < 0)
317 return log_error_errno(r, "%s: resolve call failed: %s", pretty, bus_error_message(&error, r));
318
319 ts = now(CLOCK_MONOTONIC) - ts;
320
321 r = sd_bus_message_enter_container(reply, 'a', "(is)");
322 if (r < 0)
323 return bus_log_create_error(r);
324
325 while ((r = sd_bus_message_enter_container(reply, 'r', "is")) > 0) {
326 const char *n;
327 int k;
328
329 assert_cc(sizeof(int) == sizeof(int32_t));
330
331 r = sd_bus_message_read(reply, "is", &ifindex, &n);
332 if (r < 0)
333 return r;
334
335 r = sd_bus_message_exit_container(reply);
336 if (r < 0)
337 return r;
338
339 k = printf("%*s%s %s%s%s",
340 (int) strlen(pretty), c == 0 ? pretty : "",
341 c == 0 ? ":" : " ",
342 ansi_highlight(), n, ansi_normal());
343
344 print_ifindex_comment(k, ifindex);
345 fputc('\n', stdout);
346
347 c++;
348 }
349 if (r < 0)
350 return bus_log_parse_error(r);
351
352 r = sd_bus_message_exit_container(reply);
353 if (r < 0)
354 return bus_log_parse_error(r);
355
356 r = sd_bus_message_read(reply, "t", &flags);
357 if (r < 0)
358 return bus_log_parse_error(r);
359
360 if (c == 0) {
361 log_error("%s: no names found", pretty);
362 return -ESRCH;
363 }
364
365 print_source(flags, ts);
366
367 return 0;
368 }
369
370 static int output_rr_packet(const void *d, size_t l, int ifindex) {
371 _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *rr = NULL;
372 _cleanup_(dns_packet_unrefp) DnsPacket *p = NULL;
373 int r;
374
375 r = dns_packet_new(&p, DNS_PROTOCOL_DNS, 0, DNS_PACKET_SIZE_MAX);
376 if (r < 0)
377 return log_oom();
378
379 p->refuse_compression = true;
380
381 r = dns_packet_append_blob(p, d, l, NULL);
382 if (r < 0)
383 return log_oom();
384
385 r = dns_packet_read_rr(p, &rr, NULL, NULL);
386 if (r < 0)
387 return log_error_errno(r, "Failed to parse RR: %m");
388
389 if (arg_raw == RAW_PAYLOAD) {
390 void *data;
391 ssize_t k;
392
393 k = dns_resource_record_payload(rr, &data);
394 if (k < 0)
395 return log_error_errno(k, "Cannot dump RR: %m");
396 fwrite(data, 1, k, stdout);
397 } else {
398 const char *s;
399 int k;
400
401 s = dns_resource_record_to_string(rr);
402 if (!s)
403 return log_oom();
404
405 k = printf("%s", s);
406 print_ifindex_comment(k, ifindex);
407 fputc('\n', stdout);
408 }
409
410 return 0;
411 }
412
413 static int resolve_record(sd_bus *bus, const char *name, uint16_t class, uint16_t type, bool warn_missing) {
414 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL, *reply = NULL;
415 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
416 unsigned n = 0;
417 uint64_t flags;
418 int r;
419 usec_t ts;
420 bool needs_authentication = false;
421
422 assert(name);
423
424 log_debug("Resolving %s %s %s (interface %s).", name, dns_class_to_string(class), dns_type_to_string(type), isempty(arg_ifname) ? "*" : arg_ifname);
425
426 r = bus_message_new_method_call(bus, &req, bus_resolve_mgr, "ResolveRecord");
427 if (r < 0)
428 return bus_log_create_error(r);
429
430 r = sd_bus_message_append(req, "isqqt", arg_ifindex, name, class, type, arg_flags);
431 if (r < 0)
432 return bus_log_create_error(r);
433
434 ts = now(CLOCK_MONOTONIC);
435
436 r = sd_bus_call(bus, req, SD_RESOLVED_QUERY_TIMEOUT_USEC, &error, &reply);
437 if (r < 0) {
438 if (warn_missing || r != -ENXIO)
439 log_error("%s: resolve call failed: %s", name, bus_error_message(&error, r));
440 return r;
441 }
442
443 ts = now(CLOCK_MONOTONIC) - ts;
444
445 r = sd_bus_message_enter_container(reply, 'a', "(iqqay)");
446 if (r < 0)
447 return bus_log_parse_error(r);
448
449 while ((r = sd_bus_message_enter_container(reply, 'r', "iqqay")) > 0) {
450 uint16_t c, t;
451 int ifindex;
452 const void *d;
453 size_t l;
454
455 assert_cc(sizeof(int) == sizeof(int32_t));
456
457 r = sd_bus_message_read(reply, "iqq", &ifindex, &c, &t);
458 if (r < 0)
459 return bus_log_parse_error(r);
460
461 r = sd_bus_message_read_array(reply, 'y', &d, &l);
462 if (r < 0)
463 return bus_log_parse_error(r);
464
465 r = sd_bus_message_exit_container(reply);
466 if (r < 0)
467 return bus_log_parse_error(r);
468
469 if (arg_raw == RAW_PACKET) {
470 uint64_t u64 = htole64(l);
471
472 fwrite(&u64, sizeof(u64), 1, stdout);
473 fwrite(d, 1, l, stdout);
474 } else {
475 r = output_rr_packet(d, l, ifindex);
476 if (r < 0)
477 return r;
478 }
479
480 if (dns_type_needs_authentication(t))
481 needs_authentication = true;
482
483 n++;
484 }
485 if (r < 0)
486 return bus_log_parse_error(r);
487
488 r = sd_bus_message_exit_container(reply);
489 if (r < 0)
490 return bus_log_parse_error(r);
491
492 r = sd_bus_message_read(reply, "t", &flags);
493 if (r < 0)
494 return bus_log_parse_error(r);
495
496 if (n == 0) {
497 if (warn_missing)
498 log_error("%s: no records found", name);
499 return -ESRCH;
500 }
501
502 print_source(flags, ts);
503
504 if ((flags & SD_RESOLVED_AUTHENTICATED) == 0 && needs_authentication) {
505 fflush(stdout);
506
507 fprintf(stderr, "\n%s"
508 "WARNING: The resources shown contain cryptographic key data which could not be\n"
509 " authenticated. It is not suitable to authenticate any communication.\n"
510 " This is usually indication that DNSSEC authentication was not enabled\n"
511 " or is not available for the selected protocol or DNS servers.%s\n",
512 ansi_highlight_red(),
513 ansi_normal());
514 }
515
516 return 0;
517 }
518
519 static int resolve_rfc4501(sd_bus *bus, const char *name) {
520 uint16_t type = 0, class = 0;
521 const char *p, *q, *n;
522 int r;
523
524 assert(bus);
525 assert(name);
526 assert(startswith(name, "dns:"));
527
528 /* Parse RFC 4501 dns: URIs */
529
530 p = name + 4;
531
532 if (p[0] == '/') {
533 const char *e;
534
535 if (p[1] != '/')
536 goto invalid;
537
538 e = strchr(p + 2, '/');
539 if (!e)
540 goto invalid;
541
542 if (e != p + 2)
543 log_warning("DNS authority specification not supported; ignoring specified authority.");
544
545 p = e + 1;
546 }
547
548 q = strchr(p, '?');
549 if (q) {
550 n = strndupa(p, q - p);
551 q++;
552
553 for (;;) {
554 const char *f;
555
556 f = startswith_no_case(q, "class=");
557 if (f) {
558 _cleanup_free_ char *t = NULL;
559 const char *e;
560
561 if (class != 0)
562 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
563 "DNS class specified twice.");
564
565 e = strchrnul(f, ';');
566 t = strndup(f, e - f);
567 if (!t)
568 return log_oom();
569
570 r = dns_class_from_string(t);
571 if (r < 0)
572 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
573 "Unknown DNS class %s.", t);
574
575 class = r;
576
577 if (*e == ';') {
578 q = e + 1;
579 continue;
580 }
581
582 break;
583 }
584
585 f = startswith_no_case(q, "type=");
586 if (f) {
587 _cleanup_free_ char *t = NULL;
588 const char *e;
589
590 if (type != 0)
591 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
592 "DNS type specified twice.");
593
594 e = strchrnul(f, ';');
595 t = strndup(f, e - f);
596 if (!t)
597 return log_oom();
598
599 r = dns_type_from_string(t);
600 if (r < 0)
601 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
602 "Unknown DNS type %s.", t);
603
604 type = r;
605
606 if (*e == ';') {
607 q = e + 1;
608 continue;
609 }
610
611 break;
612 }
613
614 goto invalid;
615 }
616 } else
617 n = p;
618
619 if (class == 0)
620 class = arg_class ?: DNS_CLASS_IN;
621 if (type == 0)
622 type = arg_type ?: DNS_TYPE_A;
623
624 return resolve_record(bus, n, class, type, true);
625
626 invalid:
627 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
628 "Invalid DNS URI: %s", name);
629 }
630
631 static int verb_query(int argc, char **argv, void *userdata) {
632 sd_bus *bus = userdata;
633 char **p;
634 int q, r = 0;
635
636 if (arg_type != 0)
637 STRV_FOREACH(p, argv + 1) {
638 q = resolve_record(bus, *p, arg_class, arg_type, true);
639 if (q < 0)
640 r = q;
641 }
642
643 else
644 STRV_FOREACH(p, argv + 1) {
645 if (startswith(*p, "dns:"))
646 q = resolve_rfc4501(bus, *p);
647 else {
648 int family, ifindex;
649 union in_addr_union a;
650
651 q = in_addr_ifindex_from_string_auto(*p, &family, &a, &ifindex);
652 if (q >= 0)
653 q = resolve_address(bus, family, &a, ifindex);
654 else
655 q = resolve_host(bus, *p);
656 }
657 if (q < 0)
658 r = q;
659 }
660
661 return r;
662 }
663
664 static int resolve_service(sd_bus *bus, const char *name, const char *type, const char *domain) {
665 const char *canonical_name, *canonical_type, *canonical_domain;
666 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL, *reply = NULL;
667 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
668 size_t indent, sz;
669 uint64_t flags;
670 const char *p;
671 unsigned c;
672 usec_t ts;
673 int r;
674
675 assert(bus);
676 assert(domain);
677
678 name = empty_to_null(name);
679 type = empty_to_null(type);
680
681 if (name)
682 log_debug("Resolving service \"%s\" of type %s in %s (family %s, interface %s).", name, type, domain, af_to_name(arg_family) ?: "*", isempty(arg_ifname) ? "*" : arg_ifname);
683 else if (type)
684 log_debug("Resolving service type %s of %s (family %s, interface %s).", type, domain, af_to_name(arg_family) ?: "*", isempty(arg_ifname) ? "*" : arg_ifname);
685 else
686 log_debug("Resolving service type %s (family %s, interface %s).", domain, af_to_name(arg_family) ?: "*", isempty(arg_ifname) ? "*" : arg_ifname);
687
688 r = bus_message_new_method_call(bus, &req, bus_resolve_mgr, "ResolveService");
689 if (r < 0)
690 return bus_log_create_error(r);
691
692 r = sd_bus_message_append(req, "isssit", arg_ifindex, name, type, domain, arg_family, arg_flags);
693 if (r < 0)
694 return bus_log_create_error(r);
695
696 ts = now(CLOCK_MONOTONIC);
697
698 r = sd_bus_call(bus, req, SD_RESOLVED_QUERY_TIMEOUT_USEC, &error, &reply);
699 if (r < 0)
700 return log_error_errno(r, "Resolve call failed: %s", bus_error_message(&error, r));
701
702 ts = now(CLOCK_MONOTONIC) - ts;
703
704 r = sd_bus_message_enter_container(reply, 'a', "(qqqsa(iiay)s)");
705 if (r < 0)
706 return bus_log_parse_error(r);
707
708 indent =
709 (name ? strlen(name) + 1 : 0) +
710 (type ? strlen(type) + 1 : 0) +
711 strlen(domain) + 2;
712
713 c = 0;
714 while ((r = sd_bus_message_enter_container(reply, 'r', "qqqsa(iiay)s")) > 0) {
715 uint16_t priority, weight, port;
716 const char *hostname, *canonical;
717
718 r = sd_bus_message_read(reply, "qqqs", &priority, &weight, &port, &hostname);
719 if (r < 0)
720 return bus_log_parse_error(r);
721
722 if (name)
723 printf("%*s%s", (int) strlen(name), c == 0 ? name : "", c == 0 ? "/" : " ");
724 if (type)
725 printf("%*s%s", (int) strlen(type), c == 0 ? type : "", c == 0 ? "/" : " ");
726
727 printf("%*s%s %s:%u [priority=%u, weight=%u]\n",
728 (int) strlen(domain), c == 0 ? domain : "",
729 c == 0 ? ":" : " ",
730 hostname, port,
731 priority, weight);
732
733 r = sd_bus_message_enter_container(reply, 'a', "(iiay)");
734 if (r < 0)
735 return bus_log_parse_error(r);
736
737 while ((r = sd_bus_message_enter_container(reply, 'r', "iiay")) > 0) {
738 _cleanup_free_ char *pretty = NULL;
739 int ifindex, family, k;
740 union in_addr_union a;;
741
742 assert_cc(sizeof(int) == sizeof(int32_t));
743
744 r = sd_bus_message_read(reply, "i", &ifindex);
745 if (r < 0)
746 return bus_log_parse_error(r);
747
748 sd_bus_error_free(&error);
749 r = bus_message_read_in_addr_auto(reply, &error, &family, &a);
750 if (r < 0 && !sd_bus_error_has_name(&error, SD_BUS_ERROR_INVALID_ARGS))
751 return log_error_errno(r, "%s: systemd-resolved returned invalid result: %s", name, bus_error_message(&error, r));
752
753 r = sd_bus_message_exit_container(reply);
754 if (r < 0)
755 return bus_log_parse_error(r);
756
757 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_INVALID_ARGS)) {
758 log_debug_errno(r, "%s: systemd-resolved returned invalid result, ignoring: %s", name, bus_error_message(&error, r));
759 continue;
760 }
761
762 r = in_addr_ifindex_to_string(family, &a, ifindex, &pretty);
763 if (r < 0)
764 return log_error_errno(r, "Failed to print address for %s: %m", name);
765
766 k = printf("%*s%s", (int) indent, "", pretty);
767 print_ifindex_comment(k, ifindex);
768 fputc('\n', stdout);
769 }
770 if (r < 0)
771 return bus_log_parse_error(r);
772
773 r = sd_bus_message_exit_container(reply);
774 if (r < 0)
775 return bus_log_parse_error(r);
776
777 r = sd_bus_message_read(reply, "s", &canonical);
778 if (r < 0)
779 return bus_log_parse_error(r);
780
781 if (!streq(hostname, canonical))
782 printf("%*s(%s)\n", (int) indent, "", canonical);
783
784 r = sd_bus_message_exit_container(reply);
785 if (r < 0)
786 return bus_log_parse_error(r);
787
788 c++;
789 }
790 if (r < 0)
791 return bus_log_parse_error(r);
792
793 r = sd_bus_message_exit_container(reply);
794 if (r < 0)
795 return bus_log_parse_error(r);
796
797 r = sd_bus_message_enter_container(reply, 'a', "ay");
798 if (r < 0)
799 return bus_log_parse_error(r);
800
801 while ((r = sd_bus_message_read_array(reply, 'y', (const void**) &p, &sz)) > 0) {
802 _cleanup_free_ char *escaped = NULL;
803
804 escaped = cescape_length(p, sz);
805 if (!escaped)
806 return log_oom();
807
808 printf("%*s%s\n", (int) indent, "", escaped);
809 }
810 if (r < 0)
811 return bus_log_parse_error(r);
812
813 r = sd_bus_message_exit_container(reply);
814 if (r < 0)
815 return bus_log_parse_error(r);
816
817 r = sd_bus_message_read(reply, "ssst", &canonical_name, &canonical_type, &canonical_domain, &flags);
818 if (r < 0)
819 return bus_log_parse_error(r);
820
821 canonical_name = empty_to_null(canonical_name);
822 canonical_type = empty_to_null(canonical_type);
823
824 if (!streq_ptr(name, canonical_name) ||
825 !streq_ptr(type, canonical_type) ||
826 !streq_ptr(domain, canonical_domain)) {
827
828 printf("%*s(", (int) indent, "");
829
830 if (canonical_name)
831 printf("%s/", canonical_name);
832 if (canonical_type)
833 printf("%s/", canonical_type);
834
835 printf("%s)\n", canonical_domain);
836 }
837
838 print_source(flags, ts);
839
840 return 0;
841 }
842
843 static int verb_service(int argc, char **argv, void *userdata) {
844 sd_bus *bus = userdata;
845
846 if (argc == 2)
847 return resolve_service(bus, NULL, NULL, argv[1]);
848 else if (argc == 3)
849 return resolve_service(bus, NULL, argv[1], argv[2]);
850 else
851 return resolve_service(bus, argv[1], argv[2], argv[3]);
852 }
853
854 static int resolve_openpgp(sd_bus *bus, const char *address) {
855 const char *domain, *full;
856 int r;
857 _cleanup_free_ char *hashed = NULL;
858
859 assert(bus);
860 assert(address);
861
862 domain = strrchr(address, '@');
863 if (!domain)
864 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
865 "Address does not contain '@': \"%s\"", address);
866 if (domain == address || domain[1] == '\0')
867 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
868 "Address starts or ends with '@': \"%s\"", address);
869 domain++;
870
871 r = string_hashsum_sha256(address, domain - 1 - address, &hashed);
872 if (r < 0)
873 return log_error_errno(r, "Hashing failed: %m");
874
875 strshorten(hashed, 56);
876
877 full = strjoina(hashed, "._openpgpkey.", domain);
878 log_debug("Looking up \"%s\".", full);
879
880 r = resolve_record(bus, full,
881 arg_class ?: DNS_CLASS_IN,
882 arg_type ?: DNS_TYPE_OPENPGPKEY, false);
883
884 if (IN_SET(r, -ENXIO, -ESRCH)) { /* NXDOMAIN or NODATA? */
885 hashed = mfree(hashed);
886 r = string_hashsum_sha224(address, domain - 1 - address, &hashed);
887 if (r < 0)
888 return log_error_errno(r, "Hashing failed: %m");
889
890 full = strjoina(hashed, "._openpgpkey.", domain);
891 log_debug("Looking up \"%s\".", full);
892
893 return resolve_record(bus, full,
894 arg_class ?: DNS_CLASS_IN,
895 arg_type ?: DNS_TYPE_OPENPGPKEY, true);
896 }
897
898 return r;
899 }
900
901 static int verb_openpgp(int argc, char **argv, void *userdata) {
902 sd_bus *bus = userdata;
903 char **p;
904 int q, r = 0;
905
906 STRV_FOREACH(p, argv + 1) {
907 q = resolve_openpgp(bus, *p);
908 if (q < 0)
909 r = q;
910 }
911
912 return r;
913 }
914
915 static int resolve_tlsa(sd_bus *bus, const char *family, const char *address) {
916 const char *port;
917 uint16_t port_num = 443;
918 _cleanup_free_ char *full = NULL;
919 int r;
920
921 assert(bus);
922 assert(address);
923
924 port = strrchr(address, ':');
925 if (port) {
926 r = parse_ip_port(port + 1, &port_num);
927 if (r < 0)
928 return log_error_errno(r, "Invalid port \"%s\".", port + 1);
929
930 address = strndupa(address, port - address);
931 }
932
933 r = asprintf(&full, "_%u._%s.%s",
934 port_num,
935 family,
936 address);
937 if (r < 0)
938 return log_oom();
939
940 log_debug("Looking up \"%s\".", full);
941
942 return resolve_record(bus, full,
943 arg_class ?: DNS_CLASS_IN,
944 arg_type ?: DNS_TYPE_TLSA, true);
945 }
946
947 static bool service_family_is_valid(const char *s) {
948 return STR_IN_SET(s, "tcp", "udp", "sctp");
949 }
950
951 static int verb_tlsa(int argc, char **argv, void *userdata) {
952 sd_bus *bus = userdata;
953 char **p, **args = argv + 1;
954 const char *family = "tcp";
955 int q, r = 0;
956
957 if (service_family_is_valid(argv[1])) {
958 family = argv[1];
959 args++;
960 }
961
962 STRV_FOREACH(p, args) {
963 q = resolve_tlsa(bus, family, *p);
964 if (q < 0)
965 r = q;
966 }
967
968 return r;
969 }
970
971 static int show_statistics(int argc, char **argv, void *userdata) {
972 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
973 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
974 _cleanup_(table_unrefp) Table *table = NULL;
975 sd_bus *bus = userdata;
976 uint64_t n_current_transactions, n_total_transactions,
977 cache_size, n_cache_hit, n_cache_miss,
978 n_dnssec_secure, n_dnssec_insecure, n_dnssec_bogus, n_dnssec_indeterminate;
979 int r, dnssec_supported;
980
981 assert(bus);
982
983 r = bus_get_property_trivial(bus, bus_resolve_mgr, "DNSSECSupported", &error, 'b', &dnssec_supported);
984 if (r < 0)
985 return log_error_errno(r, "Failed to get DNSSEC supported state: %s", bus_error_message(&error, r));
986
987 printf("DNSSEC supported by current servers: %s%s%s\n\n",
988 ansi_highlight(),
989 yes_no(dnssec_supported),
990 ansi_normal());
991
992 r = bus_get_property(bus, bus_resolve_mgr, "TransactionStatistics", &error, &reply, "(tt)");
993 if (r < 0)
994 return log_error_errno(r, "Failed to get transaction statistics: %s", bus_error_message(&error, r));
995
996 r = sd_bus_message_read(reply, "(tt)",
997 &n_current_transactions,
998 &n_total_transactions);
999 if (r < 0)
1000 return bus_log_parse_error(r);
1001
1002 reply = sd_bus_message_unref(reply);
1003
1004 r = bus_get_property(bus, bus_resolve_mgr, "CacheStatistics", &error, &reply, "(ttt)");
1005 if (r < 0)
1006 return log_error_errno(r, "Failed to get cache statistics: %s", bus_error_message(&error, r));
1007
1008 r = sd_bus_message_read(reply, "(ttt)",
1009 &cache_size,
1010 &n_cache_hit,
1011 &n_cache_miss);
1012 if (r < 0)
1013 return bus_log_parse_error(r);
1014
1015 reply = sd_bus_message_unref(reply);
1016
1017 r = bus_get_property(bus, bus_resolve_mgr, "DNSSECStatistics", &error, &reply, "(tttt)");
1018 if (r < 0)
1019 return log_error_errno(r, "Failed to get DNSSEC statistics: %s", bus_error_message(&error, r));
1020
1021 r = sd_bus_message_read(reply, "(tttt)",
1022 &n_dnssec_secure,
1023 &n_dnssec_insecure,
1024 &n_dnssec_bogus,
1025 &n_dnssec_indeterminate);
1026 if (r < 0)
1027 return bus_log_parse_error(r);
1028
1029 table = table_new("key", "value");
1030 if (!table)
1031 return log_oom();
1032
1033 table_set_header(table, false);
1034
1035 r = table_add_many(table,
1036 TABLE_STRING, "Transactions",
1037 TABLE_SET_COLOR, ansi_highlight(),
1038 TABLE_EMPTY,
1039 TABLE_STRING, "Current Transactions:",
1040 TABLE_SET_ALIGN_PERCENT, 100,
1041 TABLE_UINT64, n_current_transactions,
1042 TABLE_STRING, "Total Transactions:",
1043 TABLE_UINT64, n_total_transactions,
1044 TABLE_EMPTY, TABLE_EMPTY,
1045 TABLE_STRING, "Cache",
1046 TABLE_SET_COLOR, ansi_highlight(),
1047 TABLE_SET_ALIGN_PERCENT, 0,
1048 TABLE_EMPTY,
1049 TABLE_STRING, "Current Cache Size:",
1050 TABLE_SET_ALIGN_PERCENT, 100,
1051 TABLE_UINT64, cache_size,
1052 TABLE_STRING, "Cache Hits:",
1053 TABLE_UINT64, n_cache_hit,
1054 TABLE_STRING, "Cache Misses:",
1055 TABLE_UINT64, n_cache_miss,
1056 TABLE_EMPTY, TABLE_EMPTY,
1057 TABLE_STRING, "DNSSEC Verdicts",
1058 TABLE_SET_COLOR, ansi_highlight(),
1059 TABLE_SET_ALIGN_PERCENT, 0,
1060 TABLE_EMPTY,
1061 TABLE_STRING, "Secure:",
1062 TABLE_SET_ALIGN_PERCENT, 100,
1063 TABLE_UINT64, n_dnssec_secure,
1064 TABLE_STRING, "Insecure:",
1065 TABLE_UINT64, n_dnssec_insecure,
1066 TABLE_STRING, "Bogus:",
1067 TABLE_UINT64, n_dnssec_bogus,
1068 TABLE_STRING, "Indeterminate:",
1069 TABLE_UINT64, n_dnssec_indeterminate);
1070 if (r < 0)
1071 table_log_add_error(r);
1072
1073 r = table_print(table, NULL);
1074 if (r < 0)
1075 return table_log_print_error(r);
1076
1077 return 0;
1078 }
1079
1080 static int reset_statistics(int argc, char **argv, void *userdata) {
1081 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1082 sd_bus *bus = userdata;
1083 int r;
1084
1085 r = bus_call_method(bus, bus_resolve_mgr, "ResetStatistics", &error, NULL, NULL);
1086 if (r < 0)
1087 return log_error_errno(r, "Failed to reset statistics: %s", bus_error_message(&error, r));
1088
1089 return 0;
1090 }
1091
1092 static int flush_caches(int argc, char **argv, void *userdata) {
1093 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1094 sd_bus *bus = userdata;
1095 int r;
1096
1097 r = bus_call_method(bus, bus_resolve_mgr, "FlushCaches", &error, NULL, NULL);
1098 if (r < 0)
1099 return log_error_errno(r, "Failed to flush caches: %s", bus_error_message(&error, r));
1100
1101 return 0;
1102 }
1103
1104 static int reset_server_features(int argc, char **argv, void *userdata) {
1105 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1106 sd_bus *bus = userdata;
1107 int r;
1108
1109 r = bus_call_method(bus, bus_resolve_mgr, "ResetServerFeatures", &error, NULL, NULL);
1110 if (r < 0)
1111 return log_error_errno(r, "Failed to reset server features: %s", bus_error_message(&error, r));
1112
1113 return 0;
1114 }
1115
1116 static int read_dns_server_one(sd_bus_message *m, bool with_ifindex, bool extended, char **ret) {
1117 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1118 _cleanup_free_ char *pretty = NULL;
1119 int ifindex, family, r, k;
1120 union in_addr_union a;
1121 const char *name = NULL;
1122 uint16_t port = 0;
1123
1124 assert(m);
1125 assert(ret);
1126
1127 r = sd_bus_message_enter_container(m, 'r', with_ifindex ? (extended ? "iiayqs" : "iiay") : (extended ? "iayqs" : "iay"));
1128 if (r <= 0)
1129 return r;
1130
1131 if (with_ifindex) {
1132 r = sd_bus_message_read(m, "i", &ifindex);
1133 if (r < 0)
1134 return r;
1135 }
1136
1137 k = bus_message_read_in_addr_auto(m, &error, &family, &a);
1138 if (k < 0 && !sd_bus_error_has_name(&error, SD_BUS_ERROR_INVALID_ARGS))
1139 return k;
1140
1141 if (extended) {
1142 r = sd_bus_message_read(m, "q", &port);
1143 if (r < 0)
1144 return r;
1145
1146 r = sd_bus_message_read(m, "s", &name);
1147 if (r < 0)
1148 return r;
1149 }
1150
1151 r = sd_bus_message_exit_container(m);
1152 if (r < 0)
1153 return r;
1154
1155 if (k < 0) {
1156 log_debug("Invalid DNS server, ignoring: %s", bus_error_message(&error, k));
1157 *ret = NULL;
1158 return 1;
1159 }
1160
1161 if (with_ifindex && ifindex != 0) {
1162 /* only show the global ones here */
1163 *ret = NULL;
1164 return 1;
1165 }
1166
1167 r = in_addr_port_ifindex_name_to_string(family, &a, port, ifindex, name, &pretty);
1168 if (r < 0)
1169 return r;
1170
1171 *ret = TAKE_PTR(pretty);
1172
1173 return 1;
1174 }
1175
1176 static int map_link_dns_servers_internal(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata, bool extended) {
1177 char ***l = userdata;
1178 int r;
1179
1180 assert(bus);
1181 assert(member);
1182 assert(m);
1183 assert(l);
1184
1185 r = sd_bus_message_enter_container(m, 'a', extended ? "(iayqs)" : "(iay)");
1186 if (r < 0)
1187 return r;
1188
1189 for (;;) {
1190 _cleanup_free_ char *pretty = NULL;
1191
1192 r = read_dns_server_one(m, false, extended, &pretty);
1193 if (r < 0)
1194 return r;
1195 if (r == 0)
1196 break;
1197
1198 if (isempty(pretty))
1199 continue;
1200
1201 r = strv_consume(l, TAKE_PTR(pretty));
1202 if (r < 0)
1203 return r;
1204 }
1205
1206 r = sd_bus_message_exit_container(m);
1207 if (r < 0)
1208 return r;
1209
1210 return 0;
1211 }
1212
1213 static int map_link_dns_servers(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1214 return map_link_dns_servers_internal(bus, member, m, error, userdata, false);
1215 }
1216
1217 static int map_link_dns_servers_ex(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1218 return map_link_dns_servers_internal(bus, member, m, error, userdata, true);
1219 }
1220
1221 static int map_link_current_dns_server(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1222 assert(m);
1223 assert(userdata);
1224
1225 return read_dns_server_one(m, false, false, userdata);
1226 }
1227
1228 static int map_link_current_dns_server_ex(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1229 assert(m);
1230 assert(userdata);
1231
1232 return read_dns_server_one(m, false, true, userdata);
1233 }
1234
1235 static int read_domain_one(sd_bus_message *m, bool with_ifindex, char **ret) {
1236 _cleanup_free_ char *str = NULL;
1237 int ifindex, route_only, r;
1238 const char *domain;
1239
1240 assert(m);
1241 assert(ret);
1242
1243 if (with_ifindex)
1244 r = sd_bus_message_read(m, "(isb)", &ifindex, &domain, &route_only);
1245 else
1246 r = sd_bus_message_read(m, "(sb)", &domain, &route_only);
1247 if (r <= 0)
1248 return r;
1249
1250 if (with_ifindex && ifindex != 0) {
1251 /* only show the global ones here */
1252 *ret = NULL;
1253 return 1;
1254 }
1255
1256 if (route_only)
1257 str = strjoin("~", domain);
1258 else
1259 str = strdup(domain);
1260 if (!str)
1261 return -ENOMEM;
1262
1263 *ret = TAKE_PTR(str);
1264
1265 return 1;
1266 }
1267
1268 static int map_link_domains(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1269 char ***l = userdata;
1270 int r;
1271
1272 assert(bus);
1273 assert(member);
1274 assert(m);
1275 assert(l);
1276
1277 r = sd_bus_message_enter_container(m, 'a', "(sb)");
1278 if (r < 0)
1279 return r;
1280
1281 for (;;) {
1282 _cleanup_free_ char *pretty = NULL;
1283
1284 r = read_domain_one(m, false, &pretty);
1285 if (r < 0)
1286 return r;
1287 if (r == 0)
1288 break;
1289
1290 if (isempty(pretty))
1291 continue;
1292
1293 r = strv_consume(l, TAKE_PTR(pretty));
1294 if (r < 0)
1295 return r;
1296 }
1297
1298 r = sd_bus_message_exit_container(m);
1299 if (r < 0)
1300 return r;
1301
1302 return 0;
1303 }
1304
1305 static int status_print_strv_ifindex(int ifindex, const char *ifname, char **p) {
1306 const unsigned indent = strlen("Global: "); /* Use the same indentation everywhere to make things nice */
1307 int pos1, pos2;
1308
1309 if (ifname)
1310 printf("%s%nLink %i (%s)%n%s:", ansi_highlight(), &pos1, ifindex, ifname, &pos2, ansi_normal());
1311 else
1312 printf("%s%nGlobal%n%s:", ansi_highlight(), &pos1, &pos2, ansi_normal());
1313
1314 size_t cols = columns(), position = pos2 - pos1 + 2;
1315 char **i;
1316
1317 STRV_FOREACH(i, p) {
1318 size_t our_len = utf8_console_width(*i); /* This returns -1 on invalid utf-8 (which shouldn't happen).
1319 * If that happens, we'll just print one item per line. */
1320
1321 if (position <= indent || SIZE_ADD(SIZE_ADD(position, 1), our_len) < cols) {
1322 printf(" %s", *i);
1323 position = SIZE_ADD(SIZE_ADD(position, 1), our_len);
1324 } else {
1325 printf("\n%*s%s", indent, "", *i);
1326 position = SIZE_ADD(our_len, indent);
1327 }
1328 }
1329
1330 printf("\n");
1331
1332 return 0;
1333 }
1334
1335 static int status_print_strv_global(char **p) {
1336 return status_print_strv_ifindex(0, NULL, p);
1337 }
1338
1339 typedef struct LinkInfo {
1340 uint64_t scopes_mask;
1341 const char *llmnr;
1342 const char *mdns;
1343 const char *dns_over_tls;
1344 const char *dnssec;
1345 char *current_dns;
1346 char *current_dns_ex;
1347 char **dns;
1348 char **dns_ex;
1349 char **domains;
1350 char **ntas;
1351 bool dnssec_supported;
1352 bool default_route;
1353 } LinkInfo;
1354
1355 typedef struct GlobalInfo {
1356 char *current_dns;
1357 char *current_dns_ex;
1358 char **dns;
1359 char **dns_ex;
1360 char **fallback_dns;
1361 char **fallback_dns_ex;
1362 char **domains;
1363 char **ntas;
1364 const char *llmnr;
1365 const char *mdns;
1366 const char *dns_over_tls;
1367 const char *dnssec;
1368 const char *resolv_conf_mode;
1369 bool dnssec_supported;
1370 } GlobalInfo;
1371
1372 static void link_info_clear(LinkInfo *p) {
1373 free(p->current_dns);
1374 free(p->current_dns_ex);
1375 strv_free(p->dns);
1376 strv_free(p->dns_ex);
1377 strv_free(p->domains);
1378 strv_free(p->ntas);
1379 }
1380
1381 static void global_info_clear(GlobalInfo *p) {
1382 free(p->current_dns);
1383 free(p->current_dns_ex);
1384 strv_free(p->dns);
1385 strv_free(p->dns_ex);
1386 strv_free(p->fallback_dns);
1387 strv_free(p->fallback_dns_ex);
1388 strv_free(p->domains);
1389 strv_free(p->ntas);
1390 }
1391
1392 static int dump_list(Table *table, const char *prefix, char * const *l) {
1393 int r;
1394
1395 if (strv_isempty(l))
1396 return 0;
1397
1398 r = table_add_many(table,
1399 TABLE_STRING, prefix,
1400 TABLE_STRV, l);
1401 if (r < 0)
1402 return table_log_add_error(r);
1403
1404 return 0;
1405 }
1406
1407 static int status_ifindex(sd_bus *bus, int ifindex, const char *name, StatusMode mode, bool *empty_line) {
1408 static const struct bus_properties_map property_map[] = {
1409 { "ScopesMask", "t", NULL, offsetof(LinkInfo, scopes_mask) },
1410 { "DNS", "a(iay)", map_link_dns_servers, offsetof(LinkInfo, dns) },
1411 { "DNSEx", "a(iayqs)", map_link_dns_servers_ex, offsetof(LinkInfo, dns_ex) },
1412 { "CurrentDNSServer", "(iay)", map_link_current_dns_server, offsetof(LinkInfo, current_dns) },
1413 { "CurrentDNSServerEx", "(iayqs)", map_link_current_dns_server_ex, offsetof(LinkInfo, current_dns_ex) },
1414 { "Domains", "a(sb)", map_link_domains, offsetof(LinkInfo, domains) },
1415 { "DefaultRoute", "b", NULL, offsetof(LinkInfo, default_route) },
1416 { "LLMNR", "s", NULL, offsetof(LinkInfo, llmnr) },
1417 { "MulticastDNS", "s", NULL, offsetof(LinkInfo, mdns) },
1418 { "DNSOverTLS", "s", NULL, offsetof(LinkInfo, dns_over_tls) },
1419 { "DNSSEC", "s", NULL, offsetof(LinkInfo, dnssec) },
1420 { "DNSSECNegativeTrustAnchors", "as", NULL, offsetof(LinkInfo, ntas) },
1421 { "DNSSECSupported", "b", NULL, offsetof(LinkInfo, dnssec_supported) },
1422 {}
1423 };
1424 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1425 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
1426 _cleanup_(link_info_clear) LinkInfo link_info = {};
1427 _cleanup_(table_unrefp) Table *table = NULL;
1428 _cleanup_free_ char *p = NULL;
1429 char ifi[DECIMAL_STR_MAX(int)], ifname[IF_NAMESIZE + 1] = "";
1430 int r;
1431
1432 assert(bus);
1433 assert(ifindex > 0);
1434
1435 if (!name) {
1436 if (!format_ifname(ifindex, ifname))
1437 return log_error_errno(errno, "Failed to resolve interface name for %i: %m", ifindex);
1438
1439 name = ifname;
1440 }
1441
1442 xsprintf(ifi, "%i", ifindex);
1443 r = sd_bus_path_encode("/org/freedesktop/resolve1/link", ifi, &p);
1444 if (r < 0)
1445 return log_oom();
1446
1447 r = bus_map_all_properties(bus,
1448 "org.freedesktop.resolve1",
1449 p,
1450 property_map,
1451 BUS_MAP_BOOLEAN_AS_BOOL,
1452 &error,
1453 &m,
1454 &link_info);
1455 if (r < 0)
1456 return log_error_errno(r, "Failed to get link data for %i: %s", ifindex, bus_error_message(&error, r));
1457
1458 (void) pager_open(arg_pager_flags);
1459
1460 if (mode == STATUS_DNS)
1461 return status_print_strv_ifindex(ifindex, name, link_info.dns_ex ?: link_info.dns);
1462
1463 if (mode == STATUS_DOMAIN)
1464 return status_print_strv_ifindex(ifindex, name, link_info.domains);
1465
1466 if (mode == STATUS_NTA)
1467 return status_print_strv_ifindex(ifindex, name, link_info.ntas);
1468
1469 if (mode == STATUS_DEFAULT_ROUTE) {
1470 printf("%sLink %i (%s)%s: %s\n",
1471 ansi_highlight(), ifindex, name, ansi_normal(),
1472 yes_no(link_info.default_route));
1473
1474 return 0;
1475 }
1476
1477 if (mode == STATUS_LLMNR) {
1478 printf("%sLink %i (%s)%s: %s\n",
1479 ansi_highlight(), ifindex, name, ansi_normal(),
1480 strna(link_info.llmnr));
1481
1482 return 0;
1483 }
1484
1485 if (mode == STATUS_MDNS) {
1486 printf("%sLink %i (%s)%s: %s\n",
1487 ansi_highlight(), ifindex, name, ansi_normal(),
1488 strna(link_info.mdns));
1489
1490 return 0;
1491 }
1492
1493 if (mode == STATUS_PRIVATE) {
1494 printf("%sLink %i (%s)%s: %s\n",
1495 ansi_highlight(), ifindex, name, ansi_normal(),
1496 strna(link_info.dns_over_tls));
1497
1498 return 0;
1499 }
1500
1501 if (mode == STATUS_DNSSEC) {
1502 printf("%sLink %i (%s)%s: %s\n",
1503 ansi_highlight(), ifindex, name, ansi_normal(),
1504 strna(link_info.dnssec));
1505
1506 return 0;
1507 }
1508
1509 if (empty_line && *empty_line)
1510 fputc('\n', stdout);
1511
1512 printf("%sLink %i (%s)%s\n",
1513 ansi_highlight(), ifindex, name, ansi_normal());
1514
1515 table = table_new("key", "value");
1516 if (!table)
1517 return log_oom();
1518
1519 table_set_header(table, false);
1520
1521 r = table_add_many(table,
1522 TABLE_STRING, "Current Scopes:",
1523 TABLE_SET_ALIGN_PERCENT, 100);
1524 if (r < 0)
1525 return table_log_add_error(r);
1526
1527 if (link_info.scopes_mask == 0)
1528 r = table_add_cell(table, NULL, TABLE_STRING, "none");
1529 else {
1530 _cleanup_free_ char *buf = NULL;
1531 size_t len;
1532
1533 if (asprintf(&buf, "%s%s%s%s%s",
1534 link_info.scopes_mask & SD_RESOLVED_DNS ? "DNS " : "",
1535 link_info.scopes_mask & SD_RESOLVED_LLMNR_IPV4 ? "LLMNR/IPv4 " : "",
1536 link_info.scopes_mask & SD_RESOLVED_LLMNR_IPV6 ? "LLMNR/IPv6 " : "",
1537 link_info.scopes_mask & SD_RESOLVED_MDNS_IPV4 ? "mDNS/IPv4 " : "",
1538 link_info.scopes_mask & SD_RESOLVED_MDNS_IPV6 ? "mDNS/IPv6 " : "") < 0)
1539 return log_oom();
1540
1541 len = strlen(buf);
1542 assert(len > 0);
1543 buf[len - 1] = '\0';
1544
1545 r = table_add_cell(table, NULL, TABLE_STRING, buf);
1546 }
1547 if (r < 0)
1548 return table_log_add_error(r);
1549
1550 r = table_add_many(table,
1551 TABLE_STRING, "DefaultRoute setting:",
1552 TABLE_BOOLEAN, link_info.default_route,
1553 TABLE_STRING, "LLMNR setting:",
1554 TABLE_STRING, strna(link_info.llmnr),
1555 TABLE_STRING, "MulticastDNS setting:",
1556 TABLE_STRING, strna(link_info.mdns),
1557 TABLE_STRING, "DNSOverTLS setting:",
1558 TABLE_STRING, strna(link_info.dns_over_tls),
1559 TABLE_STRING, "DNSSEC setting:",
1560 TABLE_STRING, strna(link_info.dnssec),
1561 TABLE_STRING, "DNSSEC supported:",
1562 TABLE_BOOLEAN, link_info.dnssec_supported);
1563 if (r < 0)
1564 return table_log_add_error(r);
1565
1566 if (link_info.current_dns) {
1567 r = table_add_many(table,
1568 TABLE_STRING, "Current DNS Server:",
1569 TABLE_STRING, link_info.current_dns_ex ?: link_info.current_dns);
1570 if (r < 0)
1571 return table_log_add_error(r);
1572 }
1573
1574 r = dump_list(table, "DNS Servers:", link_info.dns_ex ?: link_info.dns);
1575 if (r < 0)
1576 return r;
1577
1578 r = dump_list(table, "DNS Domain:", link_info.domains);
1579 if (r < 0)
1580 return r;
1581
1582 r = table_print(table, NULL);
1583 if (r < 0)
1584 return table_log_print_error(r);
1585
1586 if (empty_line)
1587 *empty_line = true;
1588
1589 return 0;
1590 }
1591
1592 static int map_global_dns_servers_internal(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata, bool extended) {
1593 char ***l = userdata;
1594 int r;
1595
1596 assert(bus);
1597 assert(member);
1598 assert(m);
1599 assert(l);
1600
1601 r = sd_bus_message_enter_container(m, 'a', extended ? "(iiayqs)" : "(iiay)");
1602 if (r < 0)
1603 return r;
1604
1605 for (;;) {
1606 _cleanup_free_ char *pretty = NULL;
1607
1608 r = read_dns_server_one(m, true, extended, &pretty);
1609 if (r < 0)
1610 return r;
1611 if (r == 0)
1612 break;
1613
1614 if (isempty(pretty))
1615 continue;
1616
1617 r = strv_consume(l, TAKE_PTR(pretty));
1618 if (r < 0)
1619 return r;
1620 }
1621
1622 r = sd_bus_message_exit_container(m);
1623 if (r < 0)
1624 return r;
1625
1626 return 0;
1627 }
1628
1629 static int map_global_dns_servers(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1630 return map_global_dns_servers_internal(bus, member, m, error, userdata, false);
1631 }
1632
1633 static int map_global_dns_servers_ex(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1634 return map_global_dns_servers_internal(bus, member, m, error, userdata, true);
1635 }
1636
1637 static int map_global_current_dns_server(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1638 assert(m);
1639 assert(userdata);
1640
1641 return read_dns_server_one(m, true, false, userdata);
1642 }
1643
1644 static int map_global_current_dns_server_ex(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1645 assert(m);
1646 assert(userdata);
1647
1648 return read_dns_server_one(m, true, true, userdata);
1649 }
1650
1651 static int map_global_domains(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1652 char ***l = userdata;
1653 int r;
1654
1655 assert(bus);
1656 assert(member);
1657 assert(m);
1658 assert(l);
1659
1660 r = sd_bus_message_enter_container(m, 'a', "(isb)");
1661 if (r < 0)
1662 return r;
1663
1664 for (;;) {
1665 _cleanup_free_ char *pretty = NULL;
1666
1667 r = read_domain_one(m, true, &pretty);
1668 if (r < 0)
1669 return r;
1670 if (r == 0)
1671 break;
1672
1673 if (isempty(pretty))
1674 continue;
1675
1676 r = strv_consume(l, TAKE_PTR(pretty));
1677 if (r < 0)
1678 return r;
1679 }
1680
1681 r = sd_bus_message_exit_container(m);
1682 if (r < 0)
1683 return r;
1684
1685 return 0;
1686 }
1687
1688 static int status_global(sd_bus *bus, StatusMode mode, bool *empty_line) {
1689 static const struct bus_properties_map property_map[] = {
1690 { "DNS", "a(iiay)", map_global_dns_servers, offsetof(GlobalInfo, dns) },
1691 { "DNSEx", "a(iiayqs)", map_global_dns_servers_ex, offsetof(GlobalInfo, dns_ex) },
1692 { "FallbackDNS", "a(iiay)", map_global_dns_servers, offsetof(GlobalInfo, fallback_dns) },
1693 { "FallbackDNSEx", "a(iiayqs)", map_global_dns_servers_ex, offsetof(GlobalInfo, fallback_dns_ex) },
1694 { "CurrentDNSServer", "(iiay)", map_global_current_dns_server, offsetof(GlobalInfo, current_dns) },
1695 { "CurrentDNSServerEx", "(iiayqs)", map_global_current_dns_server_ex, offsetof(GlobalInfo, current_dns_ex) },
1696 { "Domains", "a(isb)", map_global_domains, offsetof(GlobalInfo, domains) },
1697 { "DNSSECNegativeTrustAnchors", "as", NULL, offsetof(GlobalInfo, ntas) },
1698 { "LLMNR", "s", NULL, offsetof(GlobalInfo, llmnr) },
1699 { "MulticastDNS", "s", NULL, offsetof(GlobalInfo, mdns) },
1700 { "DNSOverTLS", "s", NULL, offsetof(GlobalInfo, dns_over_tls) },
1701 { "DNSSEC", "s", NULL, offsetof(GlobalInfo, dnssec) },
1702 { "DNSSECSupported", "b", NULL, offsetof(GlobalInfo, dnssec_supported) },
1703 { "ResolvConfMode", "s", NULL, offsetof(GlobalInfo, resolv_conf_mode) },
1704 {}
1705 };
1706 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1707 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
1708 _cleanup_(global_info_clear) GlobalInfo global_info = {};
1709 _cleanup_(table_unrefp) Table *table = NULL;
1710 int r;
1711
1712 assert(bus);
1713 assert(empty_line);
1714
1715 r = bus_map_all_properties(bus,
1716 "org.freedesktop.resolve1",
1717 "/org/freedesktop/resolve1",
1718 property_map,
1719 BUS_MAP_BOOLEAN_AS_BOOL,
1720 &error,
1721 &m,
1722 &global_info);
1723 if (r < 0)
1724 return log_error_errno(r, "Failed to get global data: %s", bus_error_message(&error, r));
1725
1726 (void) pager_open(arg_pager_flags);
1727
1728 if (mode == STATUS_DNS)
1729 return status_print_strv_global(global_info.dns_ex ?: global_info.dns);
1730
1731 if (mode == STATUS_DOMAIN)
1732 return status_print_strv_global(global_info.domains);
1733
1734 if (mode == STATUS_NTA)
1735 return status_print_strv_global(global_info.ntas);
1736
1737 if (mode == STATUS_LLMNR) {
1738 printf("%sGlobal%s: %s\n", ansi_highlight(), ansi_normal(),
1739 strna(global_info.llmnr));
1740
1741 return 0;
1742 }
1743
1744 if (mode == STATUS_MDNS) {
1745 printf("%sGlobal%s: %s\n", ansi_highlight(), ansi_normal(),
1746 strna(global_info.mdns));
1747
1748 return 0;
1749 }
1750
1751 if (mode == STATUS_PRIVATE) {
1752 printf("%sGlobal%s: %s\n", ansi_highlight(), ansi_normal(),
1753 strna(global_info.dns_over_tls));
1754
1755 return 0;
1756 }
1757
1758 if (mode == STATUS_DNSSEC) {
1759 printf("%sGlobal%s: %s\n", ansi_highlight(), ansi_normal(),
1760 strna(global_info.dnssec));
1761
1762 return 0;
1763 }
1764
1765 printf("%sGlobal%s\n", ansi_highlight(), ansi_normal());
1766
1767 table = table_new("key", "value");
1768 if (!table)
1769 return log_oom();
1770
1771 table_set_header(table, false);
1772
1773 r = table_add_many(table,
1774 TABLE_STRING, "LLMNR setting:",
1775 TABLE_SET_ALIGN_PERCENT, 100,
1776 TABLE_STRING, strna(global_info.llmnr),
1777 TABLE_STRING, "MulticastDNS setting:",
1778 TABLE_STRING, strna(global_info.mdns),
1779 TABLE_STRING, "DNSOverTLS setting:",
1780 TABLE_STRING, strna(global_info.dns_over_tls),
1781 TABLE_STRING, "DNSSEC setting:",
1782 TABLE_STRING, strna(global_info.dnssec),
1783 TABLE_STRING, "DNSSEC supported:",
1784 TABLE_BOOLEAN, global_info.dnssec_supported);
1785 if (r < 0)
1786 return table_log_add_error(r);
1787
1788 if (global_info.resolv_conf_mode) {
1789 r = table_add_many(table,
1790 TABLE_STRING, "resolv.conf mode:",
1791 TABLE_STRING, global_info.resolv_conf_mode);
1792 if (r < 0)
1793 return table_log_add_error(r);
1794 }
1795
1796 if (global_info.current_dns) {
1797 r = table_add_many(table,
1798 TABLE_STRING, "Current DNS Server:",
1799 TABLE_STRING, global_info.current_dns_ex ?: global_info.current_dns);
1800 if (r < 0)
1801 return table_log_add_error(r);
1802 }
1803
1804 r = dump_list(table, "DNS Servers:", global_info.dns_ex ?: global_info.dns);
1805 if (r < 0)
1806 return r;
1807
1808 r = dump_list(table, "Fallback DNS Servers:", global_info.fallback_dns_ex ?: global_info.fallback_dns);
1809 if (r < 0)
1810 return r;
1811
1812 r = dump_list(table, "DNS Domain:", global_info.domains);
1813 if (r < 0)
1814 return r;
1815
1816 r = table_print(table, NULL);
1817 if (r < 0)
1818 return table_log_print_error(r);
1819
1820 *empty_line = true;
1821
1822 return 0;
1823 }
1824
1825 static int status_all(sd_bus *bus, StatusMode mode) {
1826 _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL, *reply = NULL;
1827 _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL;
1828 bool empty_line = false;
1829 int r;
1830
1831 assert(bus);
1832
1833 r = status_global(bus, mode, &empty_line);
1834 if (r < 0)
1835 return r;
1836
1837 r = sd_netlink_open(&rtnl);
1838 if (r < 0)
1839 return log_error_errno(r, "Failed to connect to netlink: %m");
1840
1841 r = sd_rtnl_message_new_link(rtnl, &req, RTM_GETLINK, 0);
1842 if (r < 0)
1843 return rtnl_log_create_error(r);
1844
1845 r = sd_netlink_message_request_dump(req, true);
1846 if (r < 0)
1847 return rtnl_log_create_error(r);
1848
1849 r = sd_netlink_call(rtnl, req, 0, &reply);
1850 if (r < 0)
1851 return log_error_errno(r, "Failed to enumerate links: %m");
1852
1853 _cleanup_free_ InterfaceInfo *infos = NULL;
1854 size_t n_allocated = 0, n_infos = 0;
1855
1856 for (sd_netlink_message *i = reply; i; i = sd_netlink_message_next(i)) {
1857 const char *name;
1858 int ifindex;
1859 uint16_t type;
1860
1861 r = sd_netlink_message_get_type(i, &type);
1862 if (r < 0)
1863 return rtnl_log_parse_error(r);
1864
1865 if (type != RTM_NEWLINK)
1866 continue;
1867
1868 r = sd_rtnl_message_link_get_ifindex(i, &ifindex);
1869 if (r < 0)
1870 return rtnl_log_parse_error(r);
1871
1872 if (ifindex == LOOPBACK_IFINDEX)
1873 continue;
1874
1875 r = sd_netlink_message_read_string(i, IFLA_IFNAME, &name);
1876 if (r < 0)
1877 return rtnl_log_parse_error(r);
1878
1879 if (!GREEDY_REALLOC(infos, n_allocated, n_infos + 1))
1880 return log_oom();
1881
1882 infos[n_infos++] = (InterfaceInfo) { ifindex, name };
1883 }
1884
1885 typesafe_qsort(infos, n_infos, interface_info_compare);
1886
1887 r = 0;
1888 for (size_t i = 0; i < n_infos; i++) {
1889 int q = status_ifindex(bus, infos[i].index, infos[i].name, mode, &empty_line);
1890 if (q < 0 && r >= 0)
1891 r = q;
1892 }
1893
1894 return r;
1895 }
1896
1897 static int verb_status(int argc, char **argv, void *userdata) {
1898 sd_bus *bus = userdata;
1899 _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL;
1900 int r = 0;
1901
1902 if (argc > 1) {
1903 char **ifname;
1904 bool empty_line = false;
1905
1906 STRV_FOREACH(ifname, argv + 1) {
1907 int ifindex, q;
1908
1909 ifindex = resolve_interface(&rtnl, *ifname);
1910 if (ifindex < 0) {
1911 log_warning_errno(ifindex, "Failed to resolve interface \"%s\", ignoring: %m", *ifname);
1912 continue;
1913 }
1914
1915 q = status_ifindex(bus, ifindex, NULL, STATUS_ALL, &empty_line);
1916 if (q < 0)
1917 r = q;
1918 }
1919 } else
1920 r = status_all(bus, STATUS_ALL);
1921
1922 return r;
1923 }
1924
1925 static int call_dns(sd_bus *bus, char **dns, const BusLocator *locator, sd_bus_error *error, bool extended) {
1926 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL;
1927 char **p;
1928 int r;
1929
1930 r = bus_message_new_method_call(bus, &req, locator, extended ? "SetLinkDNSEx" : "SetLinkDNS");
1931 if (r < 0)
1932 return bus_log_create_error(r);
1933
1934 r = sd_bus_message_append(req, "i", arg_ifindex);
1935 if (r < 0)
1936 return bus_log_create_error(r);
1937
1938 r = sd_bus_message_open_container(req, 'a', extended ? "(iayqs)" : "(iay)");
1939 if (r < 0)
1940 return bus_log_create_error(r);
1941
1942 /* If only argument is the empty string, then call SetLinkDNS() with an
1943 * empty list, which will clear the list of domains for an interface. */
1944 if (!strv_equal(dns, STRV_MAKE("")))
1945 STRV_FOREACH(p, dns) {
1946 _cleanup_free_ char *name = NULL;
1947 struct in_addr_data data;
1948 uint16_t port;
1949 int ifindex;
1950
1951 r = in_addr_port_ifindex_name_from_string_auto(*p, &data.family, &data.address, &port, &ifindex, &name);
1952 if (r < 0)
1953 return log_error_errno(r, "Failed to parse DNS server address: %s", *p);
1954
1955 if (ifindex != 0 && ifindex != arg_ifindex)
1956 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid ifindex: %i", ifindex);
1957
1958 r = sd_bus_message_open_container(req, 'r', extended ? "iayqs" : "iay");
1959 if (r < 0)
1960 return bus_log_create_error(r);
1961
1962 r = sd_bus_message_append(req, "i", data.family);
1963 if (r < 0)
1964 return bus_log_create_error(r);
1965
1966 r = sd_bus_message_append_array(req, 'y', &data.address, FAMILY_ADDRESS_SIZE(data.family));
1967 if (r < 0)
1968 return bus_log_create_error(r);
1969
1970 if (extended) {
1971 r = sd_bus_message_append(req, "q", port);
1972 if (r < 0)
1973 return bus_log_create_error(r);
1974
1975 r = sd_bus_message_append(req, "s", name);
1976 if (r < 0)
1977 return bus_log_create_error(r);
1978 }
1979
1980 r = sd_bus_message_close_container(req);
1981 if (r < 0)
1982 return bus_log_create_error(r);
1983 }
1984
1985 r = sd_bus_message_close_container(req);
1986 if (r < 0)
1987 return bus_log_create_error(r);
1988
1989 r = sd_bus_call(bus, req, 0, error, NULL);
1990 if (r < 0 && extended && sd_bus_error_has_name(error, SD_BUS_ERROR_UNKNOWN_METHOD)) {
1991 sd_bus_error_free(error);
1992 return call_dns(bus, dns, locator, error, false);
1993 }
1994 return r;
1995 }
1996
1997 static int verb_dns(int argc, char **argv, void *userdata) {
1998 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1999 sd_bus *bus = userdata;
2000 int r;
2001
2002 assert(bus);
2003
2004 if (argc >= 2) {
2005 r = ifname_mangle(argv[1]);
2006 if (r < 0)
2007 return r;
2008 }
2009
2010 if (arg_ifindex <= 0)
2011 return status_all(bus, STATUS_DNS);
2012
2013 if (argc < 3)
2014 return status_ifindex(bus, arg_ifindex, NULL, STATUS_DNS, NULL);
2015
2016 r = call_dns(bus, argv + 2, bus_resolve_mgr, &error, true);
2017 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2018 sd_bus_error_free(&error);
2019
2020 r = call_dns(bus, argv + 2, bus_network_mgr, &error, true);
2021 }
2022 if (r < 0) {
2023 if (arg_ifindex_permissive &&
2024 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2025 return 0;
2026
2027 return log_error_errno(r, "Failed to set DNS configuration: %s", bus_error_message(&error, r));
2028 }
2029
2030 return 0;
2031 }
2032
2033 static int call_domain(sd_bus *bus, char **domain, const BusLocator *locator, sd_bus_error *error) {
2034 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL;
2035 char **p;
2036 int r;
2037
2038 r = bus_message_new_method_call(bus, &req, locator, "SetLinkDomains");
2039 if (r < 0)
2040 return bus_log_create_error(r);
2041
2042 r = sd_bus_message_append(req, "i", arg_ifindex);
2043 if (r < 0)
2044 return bus_log_create_error(r);
2045
2046 r = sd_bus_message_open_container(req, 'a', "(sb)");
2047 if (r < 0)
2048 return bus_log_create_error(r);
2049
2050 /* If only argument is the empty string, then call SetLinkDomains() with an
2051 * empty list, which will clear the list of domains for an interface. */
2052 if (!strv_equal(domain, STRV_MAKE("")))
2053 STRV_FOREACH(p, domain) {
2054 const char *n;
2055
2056 n = **p == '~' ? *p + 1 : *p;
2057
2058 r = dns_name_is_valid(n);
2059 if (r < 0)
2060 return log_error_errno(r, "Failed to validate specified domain %s: %m", n);
2061 if (r == 0) {
2062 log_error("Domain not valid: %s", n);
2063 return -EINVAL;
2064 }
2065
2066 r = sd_bus_message_append(req, "(sb)", n, **p == '~');
2067 if (r < 0)
2068 return bus_log_create_error(r);
2069 }
2070
2071 r = sd_bus_message_close_container(req);
2072 if (r < 0)
2073 return bus_log_create_error(r);
2074
2075 return sd_bus_call(bus, req, 0, error, NULL);
2076 }
2077
2078 static int verb_domain(int argc, char **argv, void *userdata) {
2079 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2080 sd_bus *bus = userdata;
2081 int r;
2082
2083 assert(bus);
2084
2085 if (argc >= 2) {
2086 r = ifname_mangle(argv[1]);
2087 if (r < 0)
2088 return r;
2089 }
2090
2091 if (arg_ifindex <= 0)
2092 return status_all(bus, STATUS_DOMAIN);
2093
2094 if (argc < 3)
2095 return status_ifindex(bus, arg_ifindex, NULL, STATUS_DOMAIN, NULL);
2096
2097 r = call_domain(bus, argv + 2, bus_resolve_mgr, &error);
2098 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2099 sd_bus_error_free(&error);
2100
2101 r = call_domain(bus, argv + 2, bus_network_mgr, &error);
2102 }
2103 if (r < 0) {
2104 if (arg_ifindex_permissive &&
2105 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2106 return 0;
2107
2108 return log_error_errno(r, "Failed to set domain configuration: %s", bus_error_message(&error, r));
2109 }
2110
2111 return 0;
2112 }
2113
2114 static int verb_default_route(int argc, char **argv, void *userdata) {
2115 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2116 sd_bus *bus = userdata;
2117 int r, b;
2118
2119 assert(bus);
2120
2121 if (argc >= 2) {
2122 r = ifname_mangle(argv[1]);
2123 if (r < 0)
2124 return r;
2125 }
2126
2127 if (arg_ifindex <= 0)
2128 return status_all(bus, STATUS_DEFAULT_ROUTE);
2129
2130 if (argc < 3)
2131 return status_ifindex(bus, arg_ifindex, NULL, STATUS_DEFAULT_ROUTE, NULL);
2132
2133 b = parse_boolean(argv[2]);
2134 if (b < 0)
2135 return log_error_errno(b, "Failed to parse boolean argument: %s", argv[2]);
2136
2137 r = bus_call_method(bus, bus_resolve_mgr, "SetLinkDefaultRoute", &error, NULL, "ib", arg_ifindex, b);
2138 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2139 sd_bus_error_free(&error);
2140
2141 r = bus_call_method(bus, bus_network_mgr, "SetLinkDefaultRoute", &error, NULL, "ib", arg_ifindex, b);
2142 }
2143 if (r < 0) {
2144 if (arg_ifindex_permissive &&
2145 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2146 return 0;
2147
2148 return log_error_errno(r, "Failed to set default route configuration: %s", bus_error_message(&error, r));
2149 }
2150
2151 return 0;
2152 }
2153
2154 static int verb_llmnr(int argc, char **argv, void *userdata) {
2155 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2156 sd_bus *bus = userdata;
2157 int r;
2158
2159 assert(bus);
2160
2161 if (argc >= 2) {
2162 r = ifname_mangle(argv[1]);
2163 if (r < 0)
2164 return r;
2165 }
2166
2167 if (arg_ifindex <= 0)
2168 return status_all(bus, STATUS_LLMNR);
2169
2170 if (argc < 3)
2171 return status_ifindex(bus, arg_ifindex, NULL, STATUS_LLMNR, NULL);
2172
2173 r = bus_call_method(bus, bus_resolve_mgr, "SetLinkLLMNR", &error, NULL, "is", arg_ifindex, argv[2]);
2174 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2175 sd_bus_error_free(&error);
2176
2177 r = bus_call_method(bus, bus_network_mgr, "SetLinkLLMNR", &error, NULL, "is", arg_ifindex, argv[2]);
2178 }
2179 if (r < 0) {
2180 if (arg_ifindex_permissive &&
2181 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2182 return 0;
2183
2184 return log_error_errno(r, "Failed to set LLMNR configuration: %s", bus_error_message(&error, r));
2185 }
2186
2187 return 0;
2188 }
2189
2190 static int verb_mdns(int argc, char **argv, void *userdata) {
2191 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2192 sd_bus *bus = userdata;
2193 int r;
2194
2195 assert(bus);
2196
2197 if (argc >= 2) {
2198 r = ifname_mangle(argv[1]);
2199 if (r < 0)
2200 return r;
2201 }
2202
2203 if (arg_ifindex <= 0)
2204 return status_all(bus, STATUS_MDNS);
2205
2206 if (argc < 3)
2207 return status_ifindex(bus, arg_ifindex, NULL, STATUS_MDNS, NULL);
2208
2209 r = bus_call_method(bus, bus_resolve_mgr, "SetLinkMulticastDNS", &error, NULL, "is", arg_ifindex, argv[2]);
2210 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2211 sd_bus_error_free(&error);
2212
2213 r = bus_call_method(
2214 bus,
2215 bus_network_mgr,
2216 "SetLinkMulticastDNS",
2217 &error,
2218 NULL,
2219 "is", arg_ifindex, argv[2]);
2220 }
2221 if (r < 0) {
2222 if (arg_ifindex_permissive &&
2223 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2224 return 0;
2225
2226 return log_error_errno(r, "Failed to set MulticastDNS configuration: %s", bus_error_message(&error, r));
2227 }
2228
2229 return 0;
2230 }
2231
2232 static int verb_dns_over_tls(int argc, char **argv, void *userdata) {
2233 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2234 sd_bus *bus = userdata;
2235 int r;
2236
2237 assert(bus);
2238
2239 if (argc >= 2) {
2240 r = ifname_mangle(argv[1]);
2241 if (r < 0)
2242 return r;
2243 }
2244
2245 if (arg_ifindex <= 0)
2246 return status_all(bus, STATUS_PRIVATE);
2247
2248 if (argc < 3)
2249 return status_ifindex(bus, arg_ifindex, NULL, STATUS_PRIVATE, NULL);
2250
2251 r = bus_call_method(bus, bus_resolve_mgr, "SetLinkDNSOverTLS", &error, NULL, "is", arg_ifindex, argv[2]);
2252 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2253 sd_bus_error_free(&error);
2254
2255 r = bus_call_method(
2256 bus,
2257 bus_network_mgr,
2258 "SetLinkDNSOverTLS",
2259 &error,
2260 NULL,
2261 "is", arg_ifindex, argv[2]);
2262 }
2263 if (r < 0) {
2264 if (arg_ifindex_permissive &&
2265 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2266 return 0;
2267
2268 return log_error_errno(r, "Failed to set DNSOverTLS configuration: %s", bus_error_message(&error, r));
2269 }
2270
2271 return 0;
2272 }
2273
2274 static int verb_dnssec(int argc, char **argv, void *userdata) {
2275 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2276 sd_bus *bus = userdata;
2277 int r;
2278
2279 assert(bus);
2280
2281 if (argc >= 2) {
2282 r = ifname_mangle(argv[1]);
2283 if (r < 0)
2284 return r;
2285 }
2286
2287 if (arg_ifindex <= 0)
2288 return status_all(bus, STATUS_DNSSEC);
2289
2290 if (argc < 3)
2291 return status_ifindex(bus, arg_ifindex, NULL, STATUS_DNSSEC, NULL);
2292
2293 r = bus_call_method(bus, bus_resolve_mgr, "SetLinkDNSSEC", &error, NULL, "is", arg_ifindex, argv[2]);
2294 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2295 sd_bus_error_free(&error);
2296
2297 r = bus_call_method(bus, bus_network_mgr, "SetLinkDNSSEC", &error, NULL, "is", arg_ifindex, argv[2]);
2298 }
2299 if (r < 0) {
2300 if (arg_ifindex_permissive &&
2301 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2302 return 0;
2303
2304 return log_error_errno(r, "Failed to set DNSSEC configuration: %s", bus_error_message(&error, r));
2305 }
2306
2307 return 0;
2308 }
2309
2310 static int call_nta(sd_bus *bus, char **nta, const BusLocator *locator, sd_bus_error *error) {
2311 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL;
2312 int r;
2313
2314 r = bus_message_new_method_call(bus, &req, locator, "SetLinkDNSSECNegativeTrustAnchors");
2315 if (r < 0)
2316 return bus_log_create_error(r);
2317
2318 r = sd_bus_message_append(req, "i", arg_ifindex);
2319 if (r < 0)
2320 return bus_log_create_error(r);
2321
2322 r = sd_bus_message_append_strv(req, nta);
2323 if (r < 0)
2324 return bus_log_create_error(r);
2325
2326 return sd_bus_call(bus, req, 0, error, NULL);
2327 }
2328
2329 static int verb_nta(int argc, char **argv, void *userdata) {
2330 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2331 sd_bus *bus = userdata;
2332 char **p;
2333 int r;
2334 bool clear;
2335
2336 assert(bus);
2337
2338 if (argc >= 2) {
2339 r = ifname_mangle(argv[1]);
2340 if (r < 0)
2341 return r;
2342 }
2343
2344 if (arg_ifindex <= 0)
2345 return status_all(bus, STATUS_NTA);
2346
2347 if (argc < 3)
2348 return status_ifindex(bus, arg_ifindex, NULL, STATUS_NTA, NULL);
2349
2350 /* If only argument is the empty string, then call SetLinkDNSSECNegativeTrustAnchors()
2351 * with an empty list, which will clear the list of domains for an interface. */
2352 clear = strv_equal(argv + 2, STRV_MAKE(""));
2353
2354 if (!clear)
2355 STRV_FOREACH(p, argv + 2) {
2356 r = dns_name_is_valid(*p);
2357 if (r < 0)
2358 return log_error_errno(r, "Failed to validate specified domain %s: %m", *p);
2359 if (r == 0) {
2360 log_error("Domain not valid: %s", *p);
2361 return -EINVAL;
2362 }
2363 }
2364
2365 r = call_nta(bus, clear ? NULL : argv + 2, bus_resolve_mgr, &error);
2366 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2367 sd_bus_error_free(&error);
2368
2369 r = call_nta(bus, clear ? NULL : argv + 2, bus_network_mgr, &error);
2370 }
2371 if (r < 0) {
2372 if (arg_ifindex_permissive &&
2373 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2374 return 0;
2375
2376 return log_error_errno(r, "Failed to set DNSSEC NTA configuration: %s", bus_error_message(&error, r));
2377 }
2378
2379 return 0;
2380 }
2381
2382 static int verb_revert_link(int argc, char **argv, void *userdata) {
2383 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2384 sd_bus *bus = userdata;
2385 int r;
2386
2387 assert(bus);
2388
2389 if (argc >= 2) {
2390 r = ifname_mangle(argv[1]);
2391 if (r < 0)
2392 return r;
2393 }
2394
2395 if (arg_ifindex <= 0)
2396 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Interface argument required.");
2397
2398 r = bus_call_method(bus, bus_resolve_mgr, "RevertLink", &error, NULL, "i", arg_ifindex);
2399 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2400 sd_bus_error_free(&error);
2401
2402 r = bus_call_method(bus, bus_network_mgr, "RevertLinkDNS", &error, NULL, "i", arg_ifindex);
2403 }
2404 if (r < 0) {
2405 if (arg_ifindex_permissive &&
2406 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2407 return 0;
2408
2409 return log_error_errno(r, "Failed to revert interface configuration: %s", bus_error_message(&error, r));
2410 }
2411
2412 return 0;
2413 }
2414
2415 static int verb_log_level(int argc, char *argv[], void *userdata) {
2416 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2417 sd_bus *bus = userdata;
2418 int r;
2419
2420 assert(bus);
2421
2422 if (argc == 1) {
2423 _cleanup_free_ char *level = NULL;
2424
2425 r = sd_bus_get_property_string(
2426 bus,
2427 "org.freedesktop.resolve1",
2428 "/org/freedesktop/LogControl1",
2429 "org.freedesktop.LogControl1",
2430 "LogLevel",
2431 &error,
2432 &level);
2433 if (r < 0)
2434 return log_error_errno(r, "Failed to get log level: %s", bus_error_message(&error, r));
2435
2436 puts(level);
2437
2438 } else {
2439 assert(argc == 2);
2440
2441 r = sd_bus_set_property(
2442 bus,
2443 "org.freedesktop.resolve1",
2444 "/org/freedesktop/LogControl1",
2445 "org.freedesktop.LogControl1",
2446 "LogLevel",
2447 &error,
2448 "s",
2449 argv[1]);
2450 if (r < 0)
2451 return log_error_errno(r, "Failed to set log level: %s", bus_error_message(&error, r));
2452 }
2453
2454 return 0;
2455 }
2456
2457 static void help_protocol_types(void) {
2458 if (arg_legend)
2459 puts("Known protocol types:");
2460 puts("dns\nllmnr\nllmnr-ipv4\nllmnr-ipv6\nmdns\nmdns-ipv4\nmdns-ipv6");
2461 }
2462
2463 static void help_dns_types(void) {
2464 if (arg_legend)
2465 puts("Known DNS RR types:");
2466
2467 DUMP_STRING_TABLE(dns_type, int, _DNS_TYPE_MAX);
2468 }
2469
2470 static void help_dns_classes(void) {
2471 if (arg_legend)
2472 puts("Known DNS RR classes:");
2473
2474 DUMP_STRING_TABLE(dns_class, int, _DNS_CLASS_MAX);
2475 }
2476
2477 static int compat_help(void) {
2478 _cleanup_free_ char *link = NULL;
2479 int r;
2480
2481 r = terminal_urlify_man("resolvectl", "1", &link);
2482 if (r < 0)
2483 return log_oom();
2484
2485 printf("%1$s [OPTIONS...] HOSTNAME|ADDRESS...\n"
2486 "%1$s [OPTIONS...] --service [[NAME] TYPE] DOMAIN\n"
2487 "%1$s [OPTIONS...] --openpgp EMAIL@DOMAIN...\n"
2488 "%1$s [OPTIONS...] --statistics\n"
2489 "%1$s [OPTIONS...] --reset-statistics\n"
2490 "\n"
2491 "%2$sResolve domain names, IPv4 and IPv6 addresses, DNS records, and services.%3$s\n\n"
2492 " -h --help Show this help\n"
2493 " --version Show package version\n"
2494 " --no-pager Do not pipe output into a pager\n"
2495 " -4 Resolve IPv4 addresses\n"
2496 " -6 Resolve IPv6 addresses\n"
2497 " -i --interface=INTERFACE Look on interface\n"
2498 " -p --protocol=PROTO|help Look via protocol\n"
2499 " -t --type=TYPE|help Query RR with DNS type\n"
2500 " -c --class=CLASS|help Query RR with DNS class\n"
2501 " --service Resolve service (SRV)\n"
2502 " --service-address=BOOL Resolve address for services (default: yes)\n"
2503 " --service-txt=BOOL Resolve TXT records for services (default: yes)\n"
2504 " --openpgp Query OpenPGP public key\n"
2505 " --tlsa Query TLS public key\n"
2506 " --cname=BOOL Follow CNAME redirects (default: yes)\n"
2507 " --search=BOOL Use search domains for single-label names\n"
2508 " (default: yes)\n"
2509 " --raw[=payload|packet] Dump the answer as binary data\n"
2510 " --legend=BOOL Print headers and additional info (default: yes)\n"
2511 " --statistics Show resolver statistics\n"
2512 " --reset-statistics Reset resolver statistics\n"
2513 " --status Show link and server status\n"
2514 " --flush-caches Flush all local DNS caches\n"
2515 " --reset-server-features\n"
2516 " Forget learnt DNS server feature levels\n"
2517 " --set-dns=SERVER Set per-interface DNS server address\n"
2518 " --set-domain=DOMAIN Set per-interface search domain\n"
2519 " --set-llmnr=MODE Set per-interface LLMNR mode\n"
2520 " --set-mdns=MODE Set per-interface MulticastDNS mode\n"
2521 " --set-dnsovertls=MODE Set per-interface DNS-over-TLS mode\n"
2522 " --set-dnssec=MODE Set per-interface DNSSEC mode\n"
2523 " --set-nta=DOMAIN Set per-interface DNSSEC NTA\n"
2524 " --revert Revert per-interface configuration\n"
2525 "\nSee the %4$s for details.\n"
2526 , program_invocation_short_name
2527 , ansi_highlight()
2528 , ansi_normal()
2529 , link
2530 );
2531
2532 return 0;
2533 }
2534
2535 static int native_help(void) {
2536 _cleanup_free_ char *link = NULL;
2537 int r;
2538
2539 r = terminal_urlify_man("resolvectl", "1", &link);
2540 if (r < 0)
2541 return log_oom();
2542
2543 printf("%s [OPTIONS...] COMMAND ...\n"
2544 "\n"
2545 "%sSend control commands to the network name resolution manager, or%s\n"
2546 "%sresolve domain names, IPv4 and IPv6 addresses, DNS records, and services.%s\n"
2547 "\nCommands:\n"
2548 " query HOSTNAME|ADDRESS... Resolve domain names, IPv4 and IPv6 addresses\n"
2549 " service [[NAME] TYPE] DOMAIN Resolve service (SRV)\n"
2550 " openpgp EMAIL@DOMAIN... Query OpenPGP public key\n"
2551 " tlsa DOMAIN[:PORT]... Query TLS public key\n"
2552 " status [LINK...] Show link and server status\n"
2553 " statistics Show resolver statistics\n"
2554 " reset-statistics Reset resolver statistics\n"
2555 " flush-caches Flush all local DNS caches\n"
2556 " reset-server-features Forget learnt DNS server feature levels\n"
2557 " dns [LINK [SERVER...]] Get/set per-interface DNS server address\n"
2558 " domain [LINK [DOMAIN...]] Get/set per-interface search domain\n"
2559 " default-route [LINK [BOOL]] Get/set per-interface default route flag\n"
2560 " llmnr [LINK [MODE]] Get/set per-interface LLMNR mode\n"
2561 " mdns [LINK [MODE]] Get/set per-interface MulticastDNS mode\n"
2562 " dnsovertls [LINK [MODE]] Get/set per-interface DNS-over-TLS mode\n"
2563 " dnssec [LINK [MODE]] Get/set per-interface DNSSEC mode\n"
2564 " nta [LINK [DOMAIN...]] Get/set per-interface DNSSEC NTA\n"
2565 " revert LINK Revert per-interface configuration\n"
2566 " log-level [LEVEL] Get/set logging threshold for systemd-resolved\n"
2567 "\nOptions:\n"
2568 " -h --help Show this help\n"
2569 " --version Show package version\n"
2570 " --no-pager Do not pipe output into a pager\n"
2571 " -4 Resolve IPv4 addresses\n"
2572 " -6 Resolve IPv6 addresses\n"
2573 " -i --interface=INTERFACE Look on interface\n"
2574 " -p --protocol=PROTO|help Look via protocol\n"
2575 " -t --type=TYPE|help Query RR with DNS type\n"
2576 " -c --class=CLASS|help Query RR with DNS class\n"
2577 " --service-address=BOOL Resolve address for services (default: yes)\n"
2578 " --service-txt=BOOL Resolve TXT records for services (default: yes)\n"
2579 " --cname=BOOL Follow CNAME redirects (default: yes)\n"
2580 " --search=BOOL Use search domains for single-label names\n"
2581 " (default: yes)\n"
2582 " --raw[=payload|packet] Dump the answer as binary data\n"
2583 " --legend=BOOL Print headers and additional info (default: yes)\n"
2584 "\nSee the %s for details.\n"
2585 , program_invocation_short_name
2586 , ansi_highlight()
2587 , ansi_normal()
2588 , ansi_highlight()
2589 , ansi_normal()
2590 , link
2591 );
2592
2593 return 0;
2594 }
2595
2596 static int verb_help(int argc, char **argv, void *userdata) {
2597 return native_help();
2598 }
2599
2600 static int compat_parse_argv(int argc, char *argv[]) {
2601 enum {
2602 ARG_VERSION = 0x100,
2603 ARG_LEGEND,
2604 ARG_SERVICE,
2605 ARG_CNAME,
2606 ARG_SERVICE_ADDRESS,
2607 ARG_SERVICE_TXT,
2608 ARG_OPENPGP,
2609 ARG_TLSA,
2610 ARG_RAW,
2611 ARG_SEARCH,
2612 ARG_STATISTICS,
2613 ARG_RESET_STATISTICS,
2614 ARG_STATUS,
2615 ARG_FLUSH_CACHES,
2616 ARG_RESET_SERVER_FEATURES,
2617 ARG_NO_PAGER,
2618 ARG_SET_DNS,
2619 ARG_SET_DOMAIN,
2620 ARG_SET_LLMNR,
2621 ARG_SET_MDNS,
2622 ARG_SET_PRIVATE,
2623 ARG_SET_DNSSEC,
2624 ARG_SET_NTA,
2625 ARG_REVERT_LINK,
2626 };
2627
2628 static const struct option options[] = {
2629 { "help", no_argument, NULL, 'h' },
2630 { "version", no_argument, NULL, ARG_VERSION },
2631 { "type", required_argument, NULL, 't' },
2632 { "class", required_argument, NULL, 'c' },
2633 { "legend", required_argument, NULL, ARG_LEGEND },
2634 { "interface", required_argument, NULL, 'i' },
2635 { "protocol", required_argument, NULL, 'p' },
2636 { "cname", required_argument, NULL, ARG_CNAME },
2637 { "service", no_argument, NULL, ARG_SERVICE },
2638 { "service-address", required_argument, NULL, ARG_SERVICE_ADDRESS },
2639 { "service-txt", required_argument, NULL, ARG_SERVICE_TXT },
2640 { "openpgp", no_argument, NULL, ARG_OPENPGP },
2641 { "tlsa", optional_argument, NULL, ARG_TLSA },
2642 { "raw", optional_argument, NULL, ARG_RAW },
2643 { "search", required_argument, NULL, ARG_SEARCH },
2644 { "statistics", no_argument, NULL, ARG_STATISTICS, },
2645 { "reset-statistics", no_argument, NULL, ARG_RESET_STATISTICS },
2646 { "status", no_argument, NULL, ARG_STATUS },
2647 { "flush-caches", no_argument, NULL, ARG_FLUSH_CACHES },
2648 { "reset-server-features", no_argument, NULL, ARG_RESET_SERVER_FEATURES },
2649 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
2650 { "set-dns", required_argument, NULL, ARG_SET_DNS },
2651 { "set-domain", required_argument, NULL, ARG_SET_DOMAIN },
2652 { "set-llmnr", required_argument, NULL, ARG_SET_LLMNR },
2653 { "set-mdns", required_argument, NULL, ARG_SET_MDNS },
2654 { "set-dnsovertls", required_argument, NULL, ARG_SET_PRIVATE },
2655 { "set-dnssec", required_argument, NULL, ARG_SET_DNSSEC },
2656 { "set-nta", required_argument, NULL, ARG_SET_NTA },
2657 { "revert", no_argument, NULL, ARG_REVERT_LINK },
2658 {}
2659 };
2660
2661 int c, r;
2662
2663 assert(argc >= 0);
2664 assert(argv);
2665
2666 while ((c = getopt_long(argc, argv, "h46i:t:c:p:", options, NULL)) >= 0)
2667 switch(c) {
2668
2669 case 'h':
2670 return compat_help();
2671
2672 case ARG_VERSION:
2673 return version();
2674
2675 case '4':
2676 arg_family = AF_INET;
2677 break;
2678
2679 case '6':
2680 arg_family = AF_INET6;
2681 break;
2682
2683 case 'i':
2684 r = ifname_mangle(optarg);
2685 if (r < 0)
2686 return r;
2687 break;
2688
2689 case 't':
2690 if (streq(optarg, "help")) {
2691 help_dns_types();
2692 return 0;
2693 }
2694
2695 r = dns_type_from_string(optarg);
2696 if (r < 0) {
2697 log_error("Failed to parse RR record type %s", optarg);
2698 return r;
2699 }
2700 arg_type = (uint16_t) r;
2701 assert((int) arg_type == r);
2702
2703 arg_mode = MODE_RESOLVE_RECORD;
2704 break;
2705
2706 case 'c':
2707 if (streq(optarg, "help")) {
2708 help_dns_classes();
2709 return 0;
2710 }
2711
2712 r = dns_class_from_string(optarg);
2713 if (r < 0) {
2714 log_error("Failed to parse RR record class %s", optarg);
2715 return r;
2716 }
2717 arg_class = (uint16_t) r;
2718 assert((int) arg_class == r);
2719
2720 break;
2721
2722 case ARG_LEGEND:
2723 r = parse_boolean(optarg);
2724 if (r < 0)
2725 return log_error_errno(r, "Failed to parse --legend= argument");
2726
2727 arg_legend = r;
2728 break;
2729
2730 case 'p':
2731 if (streq(optarg, "help")) {
2732 help_protocol_types();
2733 return 0;
2734 } else if (streq(optarg, "dns"))
2735 arg_flags |= SD_RESOLVED_DNS;
2736 else if (streq(optarg, "llmnr"))
2737 arg_flags |= SD_RESOLVED_LLMNR;
2738 else if (streq(optarg, "llmnr-ipv4"))
2739 arg_flags |= SD_RESOLVED_LLMNR_IPV4;
2740 else if (streq(optarg, "llmnr-ipv6"))
2741 arg_flags |= SD_RESOLVED_LLMNR_IPV6;
2742 else if (streq(optarg, "mdns"))
2743 arg_flags |= SD_RESOLVED_MDNS;
2744 else if (streq(optarg, "mdns-ipv4"))
2745 arg_flags |= SD_RESOLVED_MDNS_IPV4;
2746 else if (streq(optarg, "mdns-ipv6"))
2747 arg_flags |= SD_RESOLVED_MDNS_IPV6;
2748 else
2749 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2750 "Unknown protocol specifier: %s", optarg);
2751
2752 break;
2753
2754 case ARG_SERVICE:
2755 arg_mode = MODE_RESOLVE_SERVICE;
2756 break;
2757
2758 case ARG_OPENPGP:
2759 arg_mode = MODE_RESOLVE_OPENPGP;
2760 break;
2761
2762 case ARG_TLSA:
2763 arg_mode = MODE_RESOLVE_TLSA;
2764 if (!optarg || service_family_is_valid(optarg))
2765 arg_service_family = optarg;
2766 else
2767 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2768 "Unknown service family \"%s\".", optarg);
2769 break;
2770
2771 case ARG_RAW:
2772 if (on_tty())
2773 return log_error_errno(SYNTHETIC_ERRNO(ENOTTY),
2774 "Refusing to write binary data to tty.");
2775
2776 if (optarg == NULL || streq(optarg, "payload"))
2777 arg_raw = RAW_PAYLOAD;
2778 else if (streq(optarg, "packet"))
2779 arg_raw = RAW_PACKET;
2780 else
2781 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2782 "Unknown --raw specifier \"%s\".",
2783 optarg);
2784
2785 arg_legend = false;
2786 break;
2787
2788 case ARG_CNAME:
2789 r = parse_boolean(optarg);
2790 if (r < 0)
2791 return log_error_errno(r, "Failed to parse --cname= argument.");
2792 SET_FLAG(arg_flags, SD_RESOLVED_NO_CNAME, r == 0);
2793 break;
2794
2795 case ARG_SERVICE_ADDRESS:
2796 r = parse_boolean(optarg);
2797 if (r < 0)
2798 return log_error_errno(r, "Failed to parse --service-address= argument.");
2799 SET_FLAG(arg_flags, SD_RESOLVED_NO_ADDRESS, r == 0);
2800 break;
2801
2802 case ARG_SERVICE_TXT:
2803 r = parse_boolean(optarg);
2804 if (r < 0)
2805 return log_error_errno(r, "Failed to parse --service-txt= argument.");
2806 SET_FLAG(arg_flags, SD_RESOLVED_NO_TXT, r == 0);
2807 break;
2808
2809 case ARG_SEARCH:
2810 r = parse_boolean(optarg);
2811 if (r < 0)
2812 return log_error_errno(r, "Failed to parse --search argument.");
2813 SET_FLAG(arg_flags, SD_RESOLVED_NO_SEARCH, r == 0);
2814 break;
2815
2816 case ARG_STATISTICS:
2817 arg_mode = MODE_STATISTICS;
2818 break;
2819
2820 case ARG_RESET_STATISTICS:
2821 arg_mode = MODE_RESET_STATISTICS;
2822 break;
2823
2824 case ARG_FLUSH_CACHES:
2825 arg_mode = MODE_FLUSH_CACHES;
2826 break;
2827
2828 case ARG_RESET_SERVER_FEATURES:
2829 arg_mode = MODE_RESET_SERVER_FEATURES;
2830 break;
2831
2832 case ARG_STATUS:
2833 arg_mode = MODE_STATUS;
2834 break;
2835
2836 case ARG_NO_PAGER:
2837 arg_pager_flags |= PAGER_DISABLE;
2838 break;
2839
2840 case ARG_SET_DNS:
2841 r = strv_extend(&arg_set_dns, optarg);
2842 if (r < 0)
2843 return log_oom();
2844
2845 arg_mode = MODE_SET_LINK;
2846 break;
2847
2848 case ARG_SET_DOMAIN:
2849 r = strv_extend(&arg_set_domain, optarg);
2850 if (r < 0)
2851 return log_oom();
2852
2853 arg_mode = MODE_SET_LINK;
2854 break;
2855
2856 case ARG_SET_LLMNR:
2857 arg_set_llmnr = optarg;
2858 arg_mode = MODE_SET_LINK;
2859 break;
2860
2861 case ARG_SET_MDNS:
2862 arg_set_mdns = optarg;
2863 arg_mode = MODE_SET_LINK;
2864 break;
2865
2866 case ARG_SET_PRIVATE:
2867 arg_set_dns_over_tls = optarg;
2868 arg_mode = MODE_SET_LINK;
2869 break;
2870
2871 case ARG_SET_DNSSEC:
2872 arg_set_dnssec = optarg;
2873 arg_mode = MODE_SET_LINK;
2874 break;
2875
2876 case ARG_SET_NTA:
2877 r = strv_extend(&arg_set_nta, optarg);
2878 if (r < 0)
2879 return log_oom();
2880
2881 arg_mode = MODE_SET_LINK;
2882 break;
2883
2884 case ARG_REVERT_LINK:
2885 arg_mode = MODE_REVERT_LINK;
2886 break;
2887
2888 case '?':
2889 return -EINVAL;
2890
2891 default:
2892 assert_not_reached("Unhandled option");
2893 }
2894
2895 if (arg_type == 0 && arg_class != 0)
2896 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2897 "--class= may only be used in conjunction with --type=.");
2898
2899 if (arg_type != 0 && arg_mode == MODE_RESOLVE_SERVICE)
2900 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2901 "--service and --type= may not be combined.");
2902
2903 if (arg_type != 0 && arg_class == 0)
2904 arg_class = DNS_CLASS_IN;
2905
2906 if (arg_class != 0 && arg_type == 0)
2907 arg_type = DNS_TYPE_A;
2908
2909 if (IN_SET(arg_mode, MODE_SET_LINK, MODE_REVERT_LINK)) {
2910
2911 if (arg_ifindex <= 0)
2912 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2913 "--set-dns=, --set-domain=, --set-llmnr=, --set-mdns=, --set-dnsovertls=, --set-dnssec=, --set-nta= and --revert require --interface=.");
2914 }
2915
2916 return 1 /* work to do */;
2917 }
2918
2919 static int native_parse_argv(int argc, char *argv[]) {
2920 enum {
2921 ARG_VERSION = 0x100,
2922 ARG_LEGEND,
2923 ARG_CNAME,
2924 ARG_SERVICE_ADDRESS,
2925 ARG_SERVICE_TXT,
2926 ARG_RAW,
2927 ARG_SEARCH,
2928 ARG_NO_PAGER,
2929 };
2930
2931 static const struct option options[] = {
2932 { "help", no_argument, NULL, 'h' },
2933 { "version", no_argument, NULL, ARG_VERSION },
2934 { "type", required_argument, NULL, 't' },
2935 { "class", required_argument, NULL, 'c' },
2936 { "legend", required_argument, NULL, ARG_LEGEND },
2937 { "interface", required_argument, NULL, 'i' },
2938 { "protocol", required_argument, NULL, 'p' },
2939 { "cname", required_argument, NULL, ARG_CNAME },
2940 { "service-address", required_argument, NULL, ARG_SERVICE_ADDRESS },
2941 { "service-txt", required_argument, NULL, ARG_SERVICE_TXT },
2942 { "raw", optional_argument, NULL, ARG_RAW },
2943 { "search", required_argument, NULL, ARG_SEARCH },
2944 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
2945 {}
2946 };
2947
2948 int c, r;
2949
2950 assert(argc >= 0);
2951 assert(argv);
2952
2953 while ((c = getopt_long(argc, argv, "h46i:t:c:p:", options, NULL)) >= 0)
2954 switch(c) {
2955
2956 case 'h':
2957 return native_help();
2958
2959 case ARG_VERSION:
2960 return version();
2961
2962 case '4':
2963 arg_family = AF_INET;
2964 break;
2965
2966 case '6':
2967 arg_family = AF_INET6;
2968 break;
2969
2970 case 'i':
2971 r = ifname_mangle(optarg);
2972 if (r < 0)
2973 return r;
2974 break;
2975
2976 case 't':
2977 if (streq(optarg, "help")) {
2978 help_dns_types();
2979 return 0;
2980 }
2981
2982 r = dns_type_from_string(optarg);
2983 if (r < 0) {
2984 log_error("Failed to parse RR record type %s", optarg);
2985 return r;
2986 }
2987 arg_type = (uint16_t) r;
2988 assert((int) arg_type == r);
2989
2990 break;
2991
2992 case 'c':
2993 if (streq(optarg, "help")) {
2994 help_dns_classes();
2995 return 0;
2996 }
2997
2998 r = dns_class_from_string(optarg);
2999 if (r < 0) {
3000 log_error("Failed to parse RR record class %s", optarg);
3001 return r;
3002 }
3003 arg_class = (uint16_t) r;
3004 assert((int) arg_class == r);
3005
3006 break;
3007
3008 case ARG_LEGEND:
3009 r = parse_boolean(optarg);
3010 if (r < 0)
3011 return log_error_errno(r, "Failed to parse --legend= argument");
3012
3013 arg_legend = r;
3014 break;
3015
3016 case 'p':
3017 if (streq(optarg, "help")) {
3018 help_protocol_types();
3019 return 0;
3020 } else if (streq(optarg, "dns"))
3021 arg_flags |= SD_RESOLVED_DNS;
3022 else if (streq(optarg, "llmnr"))
3023 arg_flags |= SD_RESOLVED_LLMNR;
3024 else if (streq(optarg, "llmnr-ipv4"))
3025 arg_flags |= SD_RESOLVED_LLMNR_IPV4;
3026 else if (streq(optarg, "llmnr-ipv6"))
3027 arg_flags |= SD_RESOLVED_LLMNR_IPV6;
3028 else if (streq(optarg, "mdns"))
3029 arg_flags |= SD_RESOLVED_MDNS;
3030 else if (streq(optarg, "mdns-ipv4"))
3031 arg_flags |= SD_RESOLVED_MDNS_IPV4;
3032 else if (streq(optarg, "mdns-ipv6"))
3033 arg_flags |= SD_RESOLVED_MDNS_IPV6;
3034 else
3035 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3036 "Unknown protocol specifier: %s",
3037 optarg);
3038
3039 break;
3040
3041 case ARG_RAW:
3042 if (on_tty())
3043 return log_error_errno(SYNTHETIC_ERRNO(ENOTTY),
3044 "Refusing to write binary data to tty.");
3045
3046 if (optarg == NULL || streq(optarg, "payload"))
3047 arg_raw = RAW_PAYLOAD;
3048 else if (streq(optarg, "packet"))
3049 arg_raw = RAW_PACKET;
3050 else
3051 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3052 "Unknown --raw specifier \"%s\".",
3053 optarg);
3054
3055 arg_legend = false;
3056 break;
3057
3058 case ARG_CNAME:
3059 r = parse_boolean(optarg);
3060 if (r < 0)
3061 return log_error_errno(r, "Failed to parse --cname= argument.");
3062 SET_FLAG(arg_flags, SD_RESOLVED_NO_CNAME, r == 0);
3063 break;
3064
3065 case ARG_SERVICE_ADDRESS:
3066 r = parse_boolean(optarg);
3067 if (r < 0)
3068 return log_error_errno(r, "Failed to parse --service-address= argument.");
3069 SET_FLAG(arg_flags, SD_RESOLVED_NO_ADDRESS, r == 0);
3070 break;
3071
3072 case ARG_SERVICE_TXT:
3073 r = parse_boolean(optarg);
3074 if (r < 0)
3075 return log_error_errno(r, "Failed to parse --service-txt= argument.");
3076 SET_FLAG(arg_flags, SD_RESOLVED_NO_TXT, r == 0);
3077 break;
3078
3079 case ARG_SEARCH:
3080 r = parse_boolean(optarg);
3081 if (r < 0)
3082 return log_error_errno(r, "Failed to parse --search argument.");
3083 SET_FLAG(arg_flags, SD_RESOLVED_NO_SEARCH, r == 0);
3084 break;
3085
3086 case ARG_NO_PAGER:
3087 arg_pager_flags |= PAGER_DISABLE;
3088 break;
3089
3090 case '?':
3091 return -EINVAL;
3092
3093 default:
3094 assert_not_reached("Unhandled option");
3095 }
3096
3097 if (arg_type == 0 && arg_class != 0)
3098 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3099 "--class= may only be used in conjunction with --type=.");
3100
3101 if (arg_type != 0 && arg_class == 0)
3102 arg_class = DNS_CLASS_IN;
3103
3104 if (arg_class != 0 && arg_type == 0)
3105 arg_type = DNS_TYPE_A;
3106
3107 return 1 /* work to do */;
3108 }
3109
3110 static int native_main(int argc, char *argv[], sd_bus *bus) {
3111
3112 static const Verb verbs[] = {
3113 { "help", VERB_ANY, VERB_ANY, 0, verb_help },
3114 { "status", VERB_ANY, VERB_ANY, VERB_DEFAULT, verb_status },
3115 { "query", 2, VERB_ANY, 0, verb_query },
3116 { "service", 2, 4, 0, verb_service },
3117 { "openpgp", 2, VERB_ANY, 0, verb_openpgp },
3118 { "tlsa", 2, VERB_ANY, 0, verb_tlsa },
3119 { "statistics", VERB_ANY, 1, 0, show_statistics },
3120 { "reset-statistics", VERB_ANY, 1, 0, reset_statistics },
3121 { "flush-caches", VERB_ANY, 1, 0, flush_caches },
3122 { "reset-server-features", VERB_ANY, 1, 0, reset_server_features },
3123 { "dns", VERB_ANY, VERB_ANY, 0, verb_dns },
3124 { "domain", VERB_ANY, VERB_ANY, 0, verb_domain },
3125 { "default-route", VERB_ANY, 3, 0, verb_default_route },
3126 { "llmnr", VERB_ANY, 3, 0, verb_llmnr },
3127 { "mdns", VERB_ANY, 3, 0, verb_mdns },
3128 { "dnsovertls", VERB_ANY, 3, 0, verb_dns_over_tls },
3129 { "dnssec", VERB_ANY, 3, 0, verb_dnssec },
3130 { "nta", VERB_ANY, VERB_ANY, 0, verb_nta },
3131 { "revert", VERB_ANY, 2, 0, verb_revert_link },
3132 { "log-level", VERB_ANY, 2, 0, verb_log_level },
3133 {}
3134 };
3135
3136 return dispatch_verb(argc, argv, verbs, bus);
3137 }
3138
3139 static int translate(const char *verb, const char *single_arg, size_t num_args, char **args, sd_bus *bus) {
3140 char **fake, **p;
3141 size_t num;
3142
3143 assert(verb);
3144 assert(num_args == 0 || args);
3145
3146 num = !!single_arg + num_args + 1;
3147
3148 p = fake = newa0(char *, num + 1);
3149 *p++ = (char *) verb;
3150 if (single_arg)
3151 *p++ = (char *) single_arg;
3152 for (size_t i = 0; i < num_args; i++)
3153 *p++ = args[i];
3154
3155 optind = 0;
3156 return native_main((int) num, fake, bus);
3157 }
3158
3159 static int compat_main(int argc, char *argv[], sd_bus *bus) {
3160 int r = 0;
3161
3162 switch (arg_mode) {
3163 case MODE_RESOLVE_HOST:
3164 case MODE_RESOLVE_RECORD:
3165 return translate("query", NULL, argc - optind, argv + optind, bus);
3166
3167 case MODE_RESOLVE_SERVICE:
3168 return translate("service", NULL, argc - optind, argv + optind, bus);
3169
3170 case MODE_RESOLVE_OPENPGP:
3171 return translate("openpgp", NULL, argc - optind, argv + optind, bus);
3172
3173 case MODE_RESOLVE_TLSA:
3174 return translate("tlsa", arg_service_family, argc - optind, argv + optind, bus);
3175
3176 case MODE_STATISTICS:
3177 return translate("statistics", NULL, 0, NULL, bus);
3178
3179 case MODE_RESET_STATISTICS:
3180 return translate("reset-statistics", NULL, 0, NULL, bus);
3181
3182 case MODE_FLUSH_CACHES:
3183 return translate("flush-caches", NULL, 0, NULL, bus);
3184
3185 case MODE_RESET_SERVER_FEATURES:
3186 return translate("reset-server-features", NULL, 0, NULL, bus);
3187
3188 case MODE_STATUS:
3189 return translate("status", NULL, argc - optind, argv + optind, bus);
3190
3191 case MODE_SET_LINK:
3192 assert(arg_ifname);
3193
3194 if (arg_set_dns) {
3195 r = translate("dns", arg_ifname, strv_length(arg_set_dns), arg_set_dns, bus);
3196 if (r < 0)
3197 return r;
3198 }
3199
3200 if (arg_set_domain) {
3201 r = translate("domain", arg_ifname, strv_length(arg_set_domain), arg_set_domain, bus);
3202 if (r < 0)
3203 return r;
3204 }
3205
3206 if (arg_set_nta) {
3207 r = translate("nta", arg_ifname, strv_length(arg_set_nta), arg_set_nta, bus);
3208 if (r < 0)
3209 return r;
3210 }
3211
3212 if (arg_set_llmnr) {
3213 r = translate("llmnr", arg_ifname, 1, (char **) &arg_set_llmnr, bus);
3214 if (r < 0)
3215 return r;
3216 }
3217
3218 if (arg_set_mdns) {
3219 r = translate("mdns", arg_ifname, 1, (char **) &arg_set_mdns, bus);
3220 if (r < 0)
3221 return r;
3222 }
3223
3224 if (arg_set_dns_over_tls) {
3225 r = translate("dnsovertls", arg_ifname, 1, (char **) &arg_set_dns_over_tls, bus);
3226 if (r < 0)
3227 return r;
3228 }
3229
3230 if (arg_set_dnssec) {
3231 r = translate("dnssec", arg_ifname, 1, (char **) &arg_set_dnssec, bus);
3232 if (r < 0)
3233 return r;
3234 }
3235
3236 return r;
3237
3238 case MODE_REVERT_LINK:
3239 assert(arg_ifname);
3240
3241 return translate("revert", arg_ifname, 0, NULL, bus);
3242
3243 case _MODE_INVALID:
3244 assert_not_reached("invalid mode");
3245 }
3246
3247 return 0;
3248 }
3249
3250 static int run(int argc, char **argv) {
3251 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
3252 int r;
3253
3254 setlocale(LC_ALL, "");
3255 log_setup_cli();
3256
3257 if (streq(program_invocation_short_name, "resolvconf"))
3258 r = resolvconf_parse_argv(argc, argv);
3259 else if (streq(program_invocation_short_name, "systemd-resolve"))
3260 r = compat_parse_argv(argc, argv);
3261 else
3262 r = native_parse_argv(argc, argv);
3263 if (r <= 0)
3264 return r;
3265
3266 r = sd_bus_open_system(&bus);
3267 if (r < 0)
3268 return log_error_errno(r, "sd_bus_open_system: %m");
3269
3270 if (STR_IN_SET(program_invocation_short_name, "systemd-resolve", "resolvconf"))
3271 return compat_main(argc, argv, bus);
3272
3273 return native_main(argc, argv, bus);
3274 }
3275
3276 DEFINE_MAIN_FUNCTION(run);
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