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Merge pull request #18596 from keszybz/systemctl-quiet-legend
[thirdparty/systemd.git] / src / resolve / resolvectl.c
1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
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-argument.h"
27 #include "parse-util.h"
28 #include "pretty-print.h"
29 #include "resolvconf-compat.h"
30 #include "resolvectl.h"
31 #include "resolved-def.h"
32 #include "resolved-dns-packet.h"
33 #include "socket-netlink.h"
34 #include "sort-util.h"
35 #include "stdio-util.h"
36 #include "string-table.h"
37 #include "strv.h"
38 #include "terminal-util.h"
39 #include "utf8.h"
40 #include "verbs.h"
41
42 static int arg_family = AF_UNSPEC;
43 static int arg_ifindex = 0;
44 static char *arg_ifname = NULL;
45 static uint16_t arg_type = 0;
46 static uint16_t arg_class = 0;
47 static bool arg_legend = true;
48 static uint64_t arg_flags = 0;
49 static PagerFlags arg_pager_flags = 0;
50 bool arg_ifindex_permissive = false; /* If true, don't generate an error if the specified interface index doesn't exist */
51 static const char *arg_service_family = NULL;
52
53 typedef enum RawType {
54 RAW_NONE,
55 RAW_PAYLOAD,
56 RAW_PACKET,
57 } RawType;
58 static RawType arg_raw = RAW_NONE;
59
60 ExecutionMode arg_mode = MODE_RESOLVE_HOST;
61
62 char **arg_set_dns = NULL;
63 char **arg_set_domain = NULL;
64 static const char *arg_set_llmnr = NULL;
65 static const char *arg_set_mdns = NULL;
66 static const char *arg_set_dns_over_tls = NULL;
67 static const char *arg_set_dnssec = NULL;
68 static char **arg_set_nta = NULL;
69
70 STATIC_DESTRUCTOR_REGISTER(arg_ifname, freep);
71 STATIC_DESTRUCTOR_REGISTER(arg_set_dns, strv_freep);
72 STATIC_DESTRUCTOR_REGISTER(arg_set_domain, strv_freep);
73 STATIC_DESTRUCTOR_REGISTER(arg_set_nta, strv_freep);
74
75 typedef enum StatusMode {
76 STATUS_ALL,
77 STATUS_DNS,
78 STATUS_DOMAIN,
79 STATUS_DEFAULT_ROUTE,
80 STATUS_LLMNR,
81 STATUS_MDNS,
82 STATUS_PRIVATE,
83 STATUS_DNSSEC,
84 STATUS_NTA,
85 } StatusMode;
86
87 typedef struct InterfaceInfo {
88 int index;
89 const char *name;
90 } InterfaceInfo;
91
92 static int interface_info_compare(const InterfaceInfo *a, const InterfaceInfo *b) {
93 int r;
94
95 r = CMP(a->index, b->index);
96 if (r != 0)
97 return r;
98
99 return strcmp_ptr(a->name, b->name);
100 }
101
102 int ifname_mangle(const char *s) {
103 _cleanup_free_ char *iface = NULL;
104 const char *dot;
105 int ifi;
106
107 assert(s);
108
109 dot = strchr(s, '.');
110 if (dot) {
111 log_debug("Ignoring protocol specifier '%s'.", dot + 1);
112 iface = strndup(s, dot - s);
113
114 } else
115 iface = strdup(s);
116 if (!iface)
117 return log_oom();
118
119 ifi = resolve_interface(NULL, iface);
120 if (ifi < 0) {
121 if (ifi == -ENODEV && arg_ifindex_permissive) {
122 log_debug("Interface '%s' not found, but -f specified, ignoring.", iface);
123 return 0; /* done */
124 }
125
126 return log_error_errno(ifi, "Failed to resolve interface \"%s\": %m", iface);
127 }
128
129 if (arg_ifindex > 0 && arg_ifindex != ifi)
130 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Specified multiple different interfaces. Refusing.");
131
132 arg_ifindex = ifi;
133 free_and_replace(arg_ifname, iface);
134
135 return 1;
136 }
137
138 static void print_source(uint64_t flags, usec_t rtt) {
139 char rtt_str[FORMAT_TIMESTAMP_MAX];
140
141 if (!arg_legend)
142 return;
143
144 if (flags == 0)
145 return;
146
147 printf("\n%s-- Information acquired via", ansi_grey());
148
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; Data was acquired via local or encrypted transport: %s%s\n",
160 rtt_str, ansi_normal(),
161 ansi_grey(),
162 yes_no(flags & SD_RESOLVED_AUTHENTICATED),
163 yes_no(flags & SD_RESOLVED_CONFIDENTIAL),
164 ansi_normal());
165
166 if ((flags & (SD_RESOLVED_FROM_MASK|SD_RESOLVED_SYNTHETIC)) != 0)
167 printf("%s-- Data from:%s%s%s%s%s%s\n",
168 ansi_grey(),
169 FLAGS_SET(flags, SD_RESOLVED_SYNTHETIC) ? " synthetic" : "",
170 FLAGS_SET(flags, SD_RESOLVED_FROM_CACHE) ? " cache" : "",
171 FLAGS_SET(flags, SD_RESOLVED_FROM_ZONE) ? " zone" : "",
172 FLAGS_SET(flags, SD_RESOLVED_FROM_TRUST_ANCHOR) ? " trust-anchor" : "",
173 FLAGS_SET(flags, SD_RESOLVED_FROM_NETWORK) ? " network" : "",
174 ansi_normal());
175 }
176
177 static void print_ifindex_comment(int printed_so_far, int ifindex) {
178 char ifname[IF_NAMESIZE + 1];
179
180 if (ifindex <= 0)
181 return;
182
183 if (!format_ifname(ifindex, ifname))
184 log_warning_errno(errno, "Failed to resolve interface name for index %i, ignoring: %m", ifindex);
185 else
186 printf("%*s%s-- link: %s%s",
187 60 > printed_so_far ? 60 - printed_so_far : 0, " ", /* Align comment to the 60th column */
188 ansi_grey(), ifname, ansi_normal());
189 }
190
191 static int resolve_host(sd_bus *bus, const char *name) {
192 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL, *reply = NULL;
193 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
194 const char *canonical = NULL;
195 unsigned c = 0;
196 uint64_t flags;
197 usec_t ts;
198 int r;
199
200 assert(name);
201
202 log_debug("Resolving %s (family %s, interface %s).", name, af_to_name(arg_family) ?: "*", isempty(arg_ifname) ? "*" : arg_ifname);
203
204 r = bus_message_new_method_call(bus, &req, bus_resolve_mgr, "ResolveHostname");
205 if (r < 0)
206 return bus_log_create_error(r);
207
208 r = sd_bus_message_append(req, "isit", arg_ifindex, name, arg_family, arg_flags);
209 if (r < 0)
210 return bus_log_create_error(r);
211
212 ts = now(CLOCK_MONOTONIC);
213
214 r = sd_bus_call(bus, req, SD_RESOLVED_QUERY_TIMEOUT_USEC, &error, &reply);
215 if (r < 0)
216 return log_error_errno(r, "%s: resolve call failed: %s", name, bus_error_message(&error, r));
217
218 ts = now(CLOCK_MONOTONIC) - ts;
219
220 r = sd_bus_message_enter_container(reply, 'a', "(iiay)");
221 if (r < 0)
222 return bus_log_parse_error(r);
223
224 while ((r = sd_bus_message_enter_container(reply, 'r', "iiay")) > 0) {
225 _cleanup_free_ char *pretty = NULL;
226 int ifindex, family, k;
227 union in_addr_union a;
228
229 assert_cc(sizeof(int) == sizeof(int32_t));
230
231 r = sd_bus_message_read(reply, "i", &ifindex);
232 if (r < 0)
233 return bus_log_parse_error(r);
234
235 sd_bus_error_free(&error);
236 r = bus_message_read_in_addr_auto(reply, &error, &family, &a);
237 if (r < 0 && !sd_bus_error_has_name(&error, SD_BUS_ERROR_INVALID_ARGS))
238 return log_error_errno(r, "%s: systemd-resolved returned invalid result: %s", name, bus_error_message(&error, r));
239
240 r = sd_bus_message_exit_container(reply);
241 if (r < 0)
242 return bus_log_parse_error(r);
243
244 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_INVALID_ARGS)) {
245 log_debug_errno(r, "%s: systemd-resolved returned invalid result, ignoring: %s", name, bus_error_message(&error, r));
246 continue;
247 }
248
249 r = in_addr_ifindex_to_string(family, &a, ifindex, &pretty);
250 if (r < 0)
251 return log_error_errno(r, "Failed to print address for %s: %m", name);
252
253 k = printf("%*s%s %s%s%s",
254 (int) strlen(name), c == 0 ? name : "", c == 0 ? ":" : " ",
255 ansi_highlight(), pretty, ansi_normal());
256
257 print_ifindex_comment(k, ifindex);
258 fputc('\n', stdout);
259
260 c++;
261 }
262 if (r < 0)
263 return bus_log_parse_error(r);
264
265 r = sd_bus_message_exit_container(reply);
266 if (r < 0)
267 return bus_log_parse_error(r);
268
269 r = sd_bus_message_read(reply, "st", &canonical, &flags);
270 if (r < 0)
271 return bus_log_parse_error(r);
272
273 if (!streq(name, canonical))
274 printf("%*s%s (%s)\n",
275 (int) strlen(name), c == 0 ? name : "", c == 0 ? ":" : " ",
276 canonical);
277
278 if (c == 0)
279 return log_error_errno(SYNTHETIC_ERRNO(ESRCH),
280 "%s: no addresses found", name);
281
282 print_source(flags, ts);
283
284 return 0;
285 }
286
287 static int resolve_address(sd_bus *bus, int family, const union in_addr_union *address, int ifindex) {
288 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL, *reply = NULL;
289 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
290 _cleanup_free_ char *pretty = NULL;
291 uint64_t flags;
292 unsigned c = 0;
293 usec_t ts;
294 int r;
295
296 assert(bus);
297 assert(IN_SET(family, AF_INET, AF_INET6));
298 assert(address);
299
300 if (ifindex <= 0)
301 ifindex = arg_ifindex;
302
303 r = in_addr_ifindex_to_string(family, address, ifindex, &pretty);
304 if (r < 0)
305 return log_oom();
306
307 log_debug("Resolving %s.", pretty);
308
309 r = bus_message_new_method_call(bus, &req, bus_resolve_mgr, "ResolveAddress");
310 if (r < 0)
311 return bus_log_create_error(r);
312
313 r = sd_bus_message_append(req, "ii", ifindex, family);
314 if (r < 0)
315 return bus_log_create_error(r);
316
317 r = sd_bus_message_append_array(req, 'y', address, FAMILY_ADDRESS_SIZE(family));
318 if (r < 0)
319 return bus_log_create_error(r);
320
321 r = sd_bus_message_append(req, "t", arg_flags);
322 if (r < 0)
323 return bus_log_create_error(r);
324
325 ts = now(CLOCK_MONOTONIC);
326
327 r = sd_bus_call(bus, req, SD_RESOLVED_QUERY_TIMEOUT_USEC, &error, &reply);
328 if (r < 0)
329 return log_error_errno(r, "%s: resolve call failed: %s", pretty, bus_error_message(&error, r));
330
331 ts = now(CLOCK_MONOTONIC) - ts;
332
333 r = sd_bus_message_enter_container(reply, 'a', "(is)");
334 if (r < 0)
335 return bus_log_create_error(r);
336
337 while ((r = sd_bus_message_enter_container(reply, 'r', "is")) > 0) {
338 const char *n;
339 int k;
340
341 assert_cc(sizeof(int) == sizeof(int32_t));
342
343 r = sd_bus_message_read(reply, "is", &ifindex, &n);
344 if (r < 0)
345 return r;
346
347 r = sd_bus_message_exit_container(reply);
348 if (r < 0)
349 return r;
350
351 k = printf("%*s%s %s%s%s",
352 (int) strlen(pretty), c == 0 ? pretty : "",
353 c == 0 ? ":" : " ",
354 ansi_highlight(), n, ansi_normal());
355
356 print_ifindex_comment(k, ifindex);
357 fputc('\n', stdout);
358
359 c++;
360 }
361 if (r < 0)
362 return bus_log_parse_error(r);
363
364 r = sd_bus_message_exit_container(reply);
365 if (r < 0)
366 return bus_log_parse_error(r);
367
368 r = sd_bus_message_read(reply, "t", &flags);
369 if (r < 0)
370 return bus_log_parse_error(r);
371
372 if (c == 0)
373 return log_error_errno(SYNTHETIC_ERRNO(ESRCH),
374 "%s: no names found", pretty);
375
376 print_source(flags, ts);
377
378 return 0;
379 }
380
381 static int output_rr_packet(const void *d, size_t l, int ifindex) {
382 _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *rr = NULL;
383 _cleanup_(dns_packet_unrefp) DnsPacket *p = NULL;
384 int r;
385
386 r = dns_packet_new(&p, DNS_PROTOCOL_DNS, 0, DNS_PACKET_SIZE_MAX);
387 if (r < 0)
388 return log_oom();
389
390 p->refuse_compression = true;
391
392 r = dns_packet_append_blob(p, d, l, NULL);
393 if (r < 0)
394 return log_oom();
395
396 r = dns_packet_read_rr(p, &rr, NULL, NULL);
397 if (r < 0)
398 return log_error_errno(r, "Failed to parse RR: %m");
399
400 if (arg_raw == RAW_PAYLOAD) {
401 void *data;
402 ssize_t k;
403
404 k = dns_resource_record_payload(rr, &data);
405 if (k < 0)
406 return log_error_errno(k, "Cannot dump RR: %m");
407 fwrite(data, 1, k, stdout);
408 } else {
409 const char *s;
410 int k;
411
412 s = dns_resource_record_to_string(rr);
413 if (!s)
414 return log_oom();
415
416 k = printf("%s", s);
417 print_ifindex_comment(k, ifindex);
418 fputc('\n', stdout);
419 }
420
421 return 0;
422 }
423
424 static int idna_candidate(const char *name, char **ret) {
425 _cleanup_free_ char *idnafied = NULL;
426 int r;
427
428 assert(name);
429 assert(ret);
430
431 r = dns_name_apply_idna(name, &idnafied);
432 if (r < 0)
433 return log_error_errno(r, "Failed to apply IDNA to name '%s': %m", name);
434 if (r > 0 && !streq(name, idnafied)) {
435 *ret = TAKE_PTR(idnafied);
436 return true;
437 }
438
439 *ret = NULL;
440 return false;
441 }
442
443 static int resolve_record(sd_bus *bus, const char *name, uint16_t class, uint16_t type, bool warn_missing) {
444 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL, *reply = NULL;
445 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
446 _cleanup_free_ char *idnafied = NULL;
447 bool needs_authentication = false;
448 unsigned n = 0;
449 uint64_t flags;
450 usec_t ts;
451 int r;
452
453 assert(name);
454
455 log_debug("Resolving %s %s %s (interface %s).", name, dns_class_to_string(class), dns_type_to_string(type), isempty(arg_ifname) ? "*" : arg_ifname);
456
457 if (dns_name_is_single_label(name))
458 log_notice("(Note that search domains are not appended when resolving raw record types. "
459 "Please specify fully qualified domain names when resolving raw records, or remove --type= switch from invocation in order to request regular hostname resolution.)");
460
461 r = idna_candidate(name, &idnafied);
462 if (r < 0)
463 return r;
464 if (r > 0)
465 log_notice("(Note that IDNA translation is not applied when resolving raw record types. "
466 "Please specify translated domain names — i.e. '%s' — when resolving raw records, or remove --type= switch from invocation in order to request regular hostname resolution.",
467 idnafied);
468
469 r = bus_message_new_method_call(bus, &req, bus_resolve_mgr, "ResolveRecord");
470 if (r < 0)
471 return bus_log_create_error(r);
472
473 r = sd_bus_message_append(req, "isqqt", arg_ifindex, name, class, type, arg_flags);
474 if (r < 0)
475 return bus_log_create_error(r);
476
477 ts = now(CLOCK_MONOTONIC);
478
479 r = sd_bus_call(bus, req, SD_RESOLVED_QUERY_TIMEOUT_USEC, &error, &reply);
480 if (r < 0) {
481 if (warn_missing || r != -ENXIO)
482 log_error("%s: resolve call failed: %s", name, bus_error_message(&error, r));
483 return r;
484 }
485
486 ts = now(CLOCK_MONOTONIC) - ts;
487
488 r = sd_bus_message_enter_container(reply, 'a', "(iqqay)");
489 if (r < 0)
490 return bus_log_parse_error(r);
491
492 while ((r = sd_bus_message_enter_container(reply, 'r', "iqqay")) > 0) {
493 uint16_t c, t;
494 int ifindex;
495 const void *d;
496 size_t l;
497
498 assert_cc(sizeof(int) == sizeof(int32_t));
499
500 r = sd_bus_message_read(reply, "iqq", &ifindex, &c, &t);
501 if (r < 0)
502 return bus_log_parse_error(r);
503
504 r = sd_bus_message_read_array(reply, 'y', &d, &l);
505 if (r < 0)
506 return bus_log_parse_error(r);
507
508 r = sd_bus_message_exit_container(reply);
509 if (r < 0)
510 return bus_log_parse_error(r);
511
512 if (arg_raw == RAW_PACKET) {
513 uint64_t u64 = htole64(l);
514
515 fwrite(&u64, sizeof(u64), 1, stdout);
516 fwrite(d, 1, l, stdout);
517 } else {
518 r = output_rr_packet(d, l, ifindex);
519 if (r < 0)
520 return r;
521 }
522
523 if (dns_type_needs_authentication(t))
524 needs_authentication = true;
525
526 n++;
527 }
528 if (r < 0)
529 return bus_log_parse_error(r);
530
531 r = sd_bus_message_exit_container(reply);
532 if (r < 0)
533 return bus_log_parse_error(r);
534
535 r = sd_bus_message_read(reply, "t", &flags);
536 if (r < 0)
537 return bus_log_parse_error(r);
538
539 if (n == 0) {
540 if (warn_missing)
541 log_error("%s: no records found", name);
542 return -ESRCH;
543 }
544
545 print_source(flags, ts);
546
547 if ((flags & SD_RESOLVED_AUTHENTICATED) == 0 && needs_authentication) {
548 fflush(stdout);
549
550 fprintf(stderr, "\n%s"
551 "WARNING: The resources shown contain cryptographic key data which could not be\n"
552 " authenticated. It is not suitable to authenticate any communication.\n"
553 " This is usually indication that DNSSEC authentication was not enabled\n"
554 " or is not available for the selected protocol or DNS servers.%s\n",
555 ansi_highlight_red(),
556 ansi_normal());
557 }
558
559 return 0;
560 }
561
562 static int resolve_rfc4501(sd_bus *bus, const char *name) {
563 uint16_t type = 0, class = 0;
564 const char *p, *q, *n;
565 int r;
566
567 assert(bus);
568 assert(name);
569 assert(startswith(name, "dns:"));
570
571 /* Parse RFC 4501 dns: URIs */
572
573 p = name + 4;
574
575 if (p[0] == '/') {
576 const char *e;
577
578 if (p[1] != '/')
579 goto invalid;
580
581 e = strchr(p + 2, '/');
582 if (!e)
583 goto invalid;
584
585 if (e != p + 2)
586 log_warning("DNS authority specification not supported; ignoring specified authority.");
587
588 p = e + 1;
589 }
590
591 q = strchr(p, '?');
592 if (q) {
593 n = strndupa(p, q - p);
594 q++;
595
596 for (;;) {
597 const char *f;
598
599 f = startswith_no_case(q, "class=");
600 if (f) {
601 _cleanup_free_ char *t = NULL;
602 const char *e;
603
604 if (class != 0)
605 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
606 "DNS class specified twice.");
607
608 e = strchrnul(f, ';');
609 t = strndup(f, e - f);
610 if (!t)
611 return log_oom();
612
613 r = dns_class_from_string(t);
614 if (r < 0)
615 return log_error_errno(r, "Unknown DNS class %s.", t);
616
617 class = r;
618
619 if (*e == ';') {
620 q = e + 1;
621 continue;
622 }
623
624 break;
625 }
626
627 f = startswith_no_case(q, "type=");
628 if (f) {
629 _cleanup_free_ char *t = NULL;
630 const char *e;
631
632 if (type != 0)
633 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
634 "DNS type specified twice.");
635
636 e = strchrnul(f, ';');
637 t = strndup(f, e - f);
638 if (!t)
639 return log_oom();
640
641 r = dns_type_from_string(t);
642 if (r < 0)
643 return log_error_errno(r, "Unknown DNS type %s: %m", t);
644
645 type = r;
646
647 if (*e == ';') {
648 q = e + 1;
649 continue;
650 }
651
652 break;
653 }
654
655 goto invalid;
656 }
657 } else
658 n = p;
659
660 if (class == 0)
661 class = arg_class ?: DNS_CLASS_IN;
662 if (type == 0)
663 type = arg_type ?: DNS_TYPE_A;
664
665 return resolve_record(bus, n, class, type, true);
666
667 invalid:
668 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
669 "Invalid DNS URI: %s", name);
670 }
671
672 static int verb_query(int argc, char **argv, void *userdata) {
673 sd_bus *bus = userdata;
674 char **p;
675 int q, r = 0;
676
677 if (arg_type != 0)
678 STRV_FOREACH(p, argv + 1) {
679 q = resolve_record(bus, *p, arg_class, arg_type, true);
680 if (q < 0)
681 r = q;
682 }
683
684 else
685 STRV_FOREACH(p, argv + 1) {
686 if (startswith(*p, "dns:"))
687 q = resolve_rfc4501(bus, *p);
688 else {
689 int family, ifindex;
690 union in_addr_union a;
691
692 q = in_addr_ifindex_from_string_auto(*p, &family, &a, &ifindex);
693 if (q >= 0)
694 q = resolve_address(bus, family, &a, ifindex);
695 else
696 q = resolve_host(bus, *p);
697 }
698 if (q < 0)
699 r = q;
700 }
701
702 return r;
703 }
704
705 static int resolve_service(sd_bus *bus, const char *name, const char *type, const char *domain) {
706 const char *canonical_name, *canonical_type, *canonical_domain;
707 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL, *reply = NULL;
708 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
709 size_t indent, sz;
710 uint64_t flags;
711 const char *p;
712 unsigned c;
713 usec_t ts;
714 int r;
715
716 assert(bus);
717 assert(domain);
718
719 name = empty_to_null(name);
720 type = empty_to_null(type);
721
722 if (name)
723 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);
724 else if (type)
725 log_debug("Resolving service type %s of %s (family %s, interface %s).", type, domain, af_to_name(arg_family) ?: "*", isempty(arg_ifname) ? "*" : arg_ifname);
726 else
727 log_debug("Resolving service type %s (family %s, interface %s).", domain, af_to_name(arg_family) ?: "*", isempty(arg_ifname) ? "*" : arg_ifname);
728
729 r = bus_message_new_method_call(bus, &req, bus_resolve_mgr, "ResolveService");
730 if (r < 0)
731 return bus_log_create_error(r);
732
733 r = sd_bus_message_append(req, "isssit", arg_ifindex, name, type, domain, arg_family, arg_flags);
734 if (r < 0)
735 return bus_log_create_error(r);
736
737 ts = now(CLOCK_MONOTONIC);
738
739 r = sd_bus_call(bus, req, SD_RESOLVED_QUERY_TIMEOUT_USEC, &error, &reply);
740 if (r < 0)
741 return log_error_errno(r, "Resolve call failed: %s", bus_error_message(&error, r));
742
743 ts = now(CLOCK_MONOTONIC) - ts;
744
745 r = sd_bus_message_enter_container(reply, 'a', "(qqqsa(iiay)s)");
746 if (r < 0)
747 return bus_log_parse_error(r);
748
749 indent =
750 (name ? strlen(name) + 1 : 0) +
751 (type ? strlen(type) + 1 : 0) +
752 strlen(domain) + 2;
753
754 c = 0;
755 while ((r = sd_bus_message_enter_container(reply, 'r', "qqqsa(iiay)s")) > 0) {
756 uint16_t priority, weight, port;
757 const char *hostname, *canonical;
758
759 r = sd_bus_message_read(reply, "qqqs", &priority, &weight, &port, &hostname);
760 if (r < 0)
761 return bus_log_parse_error(r);
762
763 if (name)
764 printf("%*s%s", (int) strlen(name), c == 0 ? name : "", c == 0 ? "/" : " ");
765 if (type)
766 printf("%*s%s", (int) strlen(type), c == 0 ? type : "", c == 0 ? "/" : " ");
767
768 printf("%*s%s %s:%u [priority=%u, weight=%u]\n",
769 (int) strlen(domain), c == 0 ? domain : "",
770 c == 0 ? ":" : " ",
771 hostname, port,
772 priority, weight);
773
774 r = sd_bus_message_enter_container(reply, 'a', "(iiay)");
775 if (r < 0)
776 return bus_log_parse_error(r);
777
778 while ((r = sd_bus_message_enter_container(reply, 'r', "iiay")) > 0) {
779 _cleanup_free_ char *pretty = NULL;
780 int ifindex, family, k;
781 union in_addr_union a;;
782
783 assert_cc(sizeof(int) == sizeof(int32_t));
784
785 r = sd_bus_message_read(reply, "i", &ifindex);
786 if (r < 0)
787 return bus_log_parse_error(r);
788
789 sd_bus_error_free(&error);
790 r = bus_message_read_in_addr_auto(reply, &error, &family, &a);
791 if (r < 0 && !sd_bus_error_has_name(&error, SD_BUS_ERROR_INVALID_ARGS))
792 return log_error_errno(r, "%s: systemd-resolved returned invalid result: %s", name, bus_error_message(&error, r));
793
794 r = sd_bus_message_exit_container(reply);
795 if (r < 0)
796 return bus_log_parse_error(r);
797
798 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_INVALID_ARGS)) {
799 log_debug_errno(r, "%s: systemd-resolved returned invalid result, ignoring: %s", name, bus_error_message(&error, r));
800 continue;
801 }
802
803 r = in_addr_ifindex_to_string(family, &a, ifindex, &pretty);
804 if (r < 0)
805 return log_error_errno(r, "Failed to print address for %s: %m", name);
806
807 k = printf("%*s%s", (int) indent, "", pretty);
808 print_ifindex_comment(k, ifindex);
809 fputc('\n', stdout);
810 }
811 if (r < 0)
812 return bus_log_parse_error(r);
813
814 r = sd_bus_message_exit_container(reply);
815 if (r < 0)
816 return bus_log_parse_error(r);
817
818 r = sd_bus_message_read(reply, "s", &canonical);
819 if (r < 0)
820 return bus_log_parse_error(r);
821
822 if (!streq(hostname, canonical))
823 printf("%*s(%s)\n", (int) indent, "", canonical);
824
825 r = sd_bus_message_exit_container(reply);
826 if (r < 0)
827 return bus_log_parse_error(r);
828
829 c++;
830 }
831 if (r < 0)
832 return bus_log_parse_error(r);
833
834 r = sd_bus_message_exit_container(reply);
835 if (r < 0)
836 return bus_log_parse_error(r);
837
838 r = sd_bus_message_enter_container(reply, 'a', "ay");
839 if (r < 0)
840 return bus_log_parse_error(r);
841
842 while ((r = sd_bus_message_read_array(reply, 'y', (const void**) &p, &sz)) > 0) {
843 _cleanup_free_ char *escaped = NULL;
844
845 escaped = cescape_length(p, sz);
846 if (!escaped)
847 return log_oom();
848
849 printf("%*s%s\n", (int) indent, "", escaped);
850 }
851 if (r < 0)
852 return bus_log_parse_error(r);
853
854 r = sd_bus_message_exit_container(reply);
855 if (r < 0)
856 return bus_log_parse_error(r);
857
858 r = sd_bus_message_read(reply, "ssst", &canonical_name, &canonical_type, &canonical_domain, &flags);
859 if (r < 0)
860 return bus_log_parse_error(r);
861
862 canonical_name = empty_to_null(canonical_name);
863 canonical_type = empty_to_null(canonical_type);
864
865 if (!streq_ptr(name, canonical_name) ||
866 !streq_ptr(type, canonical_type) ||
867 !streq_ptr(domain, canonical_domain)) {
868
869 printf("%*s(", (int) indent, "");
870
871 if (canonical_name)
872 printf("%s/", canonical_name);
873 if (canonical_type)
874 printf("%s/", canonical_type);
875
876 printf("%s)\n", canonical_domain);
877 }
878
879 print_source(flags, ts);
880
881 return 0;
882 }
883
884 static int verb_service(int argc, char **argv, void *userdata) {
885 sd_bus *bus = userdata;
886
887 if (argc == 2)
888 return resolve_service(bus, NULL, NULL, argv[1]);
889 else if (argc == 3)
890 return resolve_service(bus, NULL, argv[1], argv[2]);
891 else
892 return resolve_service(bus, argv[1], argv[2], argv[3]);
893 }
894
895 static int resolve_openpgp(sd_bus *bus, const char *address) {
896 const char *domain, *full;
897 int r;
898 _cleanup_free_ char *hashed = NULL;
899
900 assert(bus);
901 assert(address);
902
903 domain = strrchr(address, '@');
904 if (!domain)
905 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
906 "Address does not contain '@': \"%s\"", address);
907 if (domain == address || domain[1] == '\0')
908 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
909 "Address starts or ends with '@': \"%s\"", address);
910 domain++;
911
912 r = string_hashsum_sha256(address, domain - 1 - address, &hashed);
913 if (r < 0)
914 return log_error_errno(r, "Hashing failed: %m");
915
916 strshorten(hashed, 56);
917
918 full = strjoina(hashed, "._openpgpkey.", domain);
919 log_debug("Looking up \"%s\".", full);
920
921 r = resolve_record(bus, full,
922 arg_class ?: DNS_CLASS_IN,
923 arg_type ?: DNS_TYPE_OPENPGPKEY, false);
924
925 if (IN_SET(r, -ENXIO, -ESRCH)) { /* NXDOMAIN or NODATA? */
926 hashed = mfree(hashed);
927 r = string_hashsum_sha224(address, domain - 1 - address, &hashed);
928 if (r < 0)
929 return log_error_errno(r, "Hashing failed: %m");
930
931 full = strjoina(hashed, "._openpgpkey.", domain);
932 log_debug("Looking up \"%s\".", full);
933
934 return resolve_record(bus, full,
935 arg_class ?: DNS_CLASS_IN,
936 arg_type ?: DNS_TYPE_OPENPGPKEY, true);
937 }
938
939 return r;
940 }
941
942 static int verb_openpgp(int argc, char **argv, void *userdata) {
943 sd_bus *bus = userdata;
944 char **p;
945 int q, r = 0;
946
947 STRV_FOREACH(p, argv + 1) {
948 q = resolve_openpgp(bus, *p);
949 if (q < 0)
950 r = q;
951 }
952
953 return r;
954 }
955
956 static int resolve_tlsa(sd_bus *bus, const char *family, const char *address) {
957 const char *port;
958 uint16_t port_num = 443;
959 _cleanup_free_ char *full = NULL;
960 int r;
961
962 assert(bus);
963 assert(address);
964
965 port = strrchr(address, ':');
966 if (port) {
967 r = parse_ip_port(port + 1, &port_num);
968 if (r < 0)
969 return log_error_errno(r, "Invalid port \"%s\".", port + 1);
970
971 address = strndupa(address, port - address);
972 }
973
974 r = asprintf(&full, "_%u._%s.%s",
975 port_num,
976 family,
977 address);
978 if (r < 0)
979 return log_oom();
980
981 log_debug("Looking up \"%s\".", full);
982
983 return resolve_record(bus, full,
984 arg_class ?: DNS_CLASS_IN,
985 arg_type ?: DNS_TYPE_TLSA, true);
986 }
987
988 static bool service_family_is_valid(const char *s) {
989 return STR_IN_SET(s, "tcp", "udp", "sctp");
990 }
991
992 static int verb_tlsa(int argc, char **argv, void *userdata) {
993 sd_bus *bus = userdata;
994 char **p, **args = argv + 1;
995 const char *family = "tcp";
996 int q, r = 0;
997
998 if (service_family_is_valid(argv[1])) {
999 family = argv[1];
1000 args++;
1001 }
1002
1003 STRV_FOREACH(p, args) {
1004 q = resolve_tlsa(bus, family, *p);
1005 if (q < 0)
1006 r = q;
1007 }
1008
1009 return r;
1010 }
1011
1012 static int show_statistics(int argc, char **argv, void *userdata) {
1013 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1014 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1015 _cleanup_(table_unrefp) Table *table = NULL;
1016 sd_bus *bus = userdata;
1017 uint64_t n_current_transactions, n_total_transactions,
1018 cache_size, n_cache_hit, n_cache_miss,
1019 n_dnssec_secure, n_dnssec_insecure, n_dnssec_bogus, n_dnssec_indeterminate;
1020 int r, dnssec_supported;
1021
1022 assert(bus);
1023
1024 r = bus_get_property_trivial(bus, bus_resolve_mgr, "DNSSECSupported", &error, 'b', &dnssec_supported);
1025 if (r < 0)
1026 return log_error_errno(r, "Failed to get DNSSEC supported state: %s", bus_error_message(&error, r));
1027
1028 printf("DNSSEC supported by current servers: %s%s%s\n\n",
1029 ansi_highlight(),
1030 yes_no(dnssec_supported),
1031 ansi_normal());
1032
1033 r = bus_get_property(bus, bus_resolve_mgr, "TransactionStatistics", &error, &reply, "(tt)");
1034 if (r < 0)
1035 return log_error_errno(r, "Failed to get transaction statistics: %s", bus_error_message(&error, r));
1036
1037 r = sd_bus_message_read(reply, "(tt)",
1038 &n_current_transactions,
1039 &n_total_transactions);
1040 if (r < 0)
1041 return bus_log_parse_error(r);
1042
1043 reply = sd_bus_message_unref(reply);
1044
1045 r = bus_get_property(bus, bus_resolve_mgr, "CacheStatistics", &error, &reply, "(ttt)");
1046 if (r < 0)
1047 return log_error_errno(r, "Failed to get cache statistics: %s", bus_error_message(&error, r));
1048
1049 r = sd_bus_message_read(reply, "(ttt)",
1050 &cache_size,
1051 &n_cache_hit,
1052 &n_cache_miss);
1053 if (r < 0)
1054 return bus_log_parse_error(r);
1055
1056 reply = sd_bus_message_unref(reply);
1057
1058 r = bus_get_property(bus, bus_resolve_mgr, "DNSSECStatistics", &error, &reply, "(tttt)");
1059 if (r < 0)
1060 return log_error_errno(r, "Failed to get DNSSEC statistics: %s", bus_error_message(&error, r));
1061
1062 r = sd_bus_message_read(reply, "(tttt)",
1063 &n_dnssec_secure,
1064 &n_dnssec_insecure,
1065 &n_dnssec_bogus,
1066 &n_dnssec_indeterminate);
1067 if (r < 0)
1068 return bus_log_parse_error(r);
1069
1070 table = table_new("key", "value");
1071 if (!table)
1072 return log_oom();
1073
1074 table_set_header(table, false);
1075
1076 r = table_add_many(table,
1077 TABLE_STRING, "Transactions",
1078 TABLE_SET_COLOR, ansi_highlight(),
1079 TABLE_EMPTY,
1080 TABLE_STRING, "Current Transactions:",
1081 TABLE_SET_ALIGN_PERCENT, 100,
1082 TABLE_UINT64, n_current_transactions,
1083 TABLE_STRING, "Total Transactions:",
1084 TABLE_UINT64, n_total_transactions,
1085 TABLE_EMPTY, TABLE_EMPTY,
1086 TABLE_STRING, "Cache",
1087 TABLE_SET_COLOR, ansi_highlight(),
1088 TABLE_SET_ALIGN_PERCENT, 0,
1089 TABLE_EMPTY,
1090 TABLE_STRING, "Current Cache Size:",
1091 TABLE_SET_ALIGN_PERCENT, 100,
1092 TABLE_UINT64, cache_size,
1093 TABLE_STRING, "Cache Hits:",
1094 TABLE_UINT64, n_cache_hit,
1095 TABLE_STRING, "Cache Misses:",
1096 TABLE_UINT64, n_cache_miss,
1097 TABLE_EMPTY, TABLE_EMPTY,
1098 TABLE_STRING, "DNSSEC Verdicts",
1099 TABLE_SET_COLOR, ansi_highlight(),
1100 TABLE_SET_ALIGN_PERCENT, 0,
1101 TABLE_EMPTY,
1102 TABLE_STRING, "Secure:",
1103 TABLE_SET_ALIGN_PERCENT, 100,
1104 TABLE_UINT64, n_dnssec_secure,
1105 TABLE_STRING, "Insecure:",
1106 TABLE_UINT64, n_dnssec_insecure,
1107 TABLE_STRING, "Bogus:",
1108 TABLE_UINT64, n_dnssec_bogus,
1109 TABLE_STRING, "Indeterminate:",
1110 TABLE_UINT64, n_dnssec_indeterminate);
1111 if (r < 0)
1112 table_log_add_error(r);
1113
1114 r = table_print(table, NULL);
1115 if (r < 0)
1116 return table_log_print_error(r);
1117
1118 return 0;
1119 }
1120
1121 static int reset_statistics(int argc, char **argv, void *userdata) {
1122 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1123 sd_bus *bus = userdata;
1124 int r;
1125
1126 r = bus_call_method(bus, bus_resolve_mgr, "ResetStatistics", &error, NULL, NULL);
1127 if (r < 0)
1128 return log_error_errno(r, "Failed to reset statistics: %s", bus_error_message(&error, r));
1129
1130 return 0;
1131 }
1132
1133 static int flush_caches(int argc, char **argv, void *userdata) {
1134 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1135 sd_bus *bus = userdata;
1136 int r;
1137
1138 r = bus_call_method(bus, bus_resolve_mgr, "FlushCaches", &error, NULL, NULL);
1139 if (r < 0)
1140 return log_error_errno(r, "Failed to flush caches: %s", bus_error_message(&error, r));
1141
1142 return 0;
1143 }
1144
1145 static int reset_server_features(int argc, char **argv, void *userdata) {
1146 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1147 sd_bus *bus = userdata;
1148 int r;
1149
1150 r = bus_call_method(bus, bus_resolve_mgr, "ResetServerFeatures", &error, NULL, NULL);
1151 if (r < 0)
1152 return log_error_errno(r, "Failed to reset server features: %s", bus_error_message(&error, r));
1153
1154 return 0;
1155 }
1156
1157 static int read_dns_server_one(sd_bus_message *m, bool with_ifindex, bool extended, char **ret) {
1158 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1159 _cleanup_free_ char *pretty = NULL;
1160 int ifindex, family, r, k;
1161 union in_addr_union a;
1162 const char *name = NULL;
1163 uint16_t port = 0;
1164
1165 assert(m);
1166 assert(ret);
1167
1168 r = sd_bus_message_enter_container(m, 'r', with_ifindex ? (extended ? "iiayqs" : "iiay") : (extended ? "iayqs" : "iay"));
1169 if (r <= 0)
1170 return r;
1171
1172 if (with_ifindex) {
1173 r = sd_bus_message_read(m, "i", &ifindex);
1174 if (r < 0)
1175 return r;
1176 }
1177
1178 k = bus_message_read_in_addr_auto(m, &error, &family, &a);
1179 if (k < 0 && !sd_bus_error_has_name(&error, SD_BUS_ERROR_INVALID_ARGS))
1180 return k;
1181
1182 if (extended) {
1183 r = sd_bus_message_read(m, "q", &port);
1184 if (r < 0)
1185 return r;
1186
1187 r = sd_bus_message_read(m, "s", &name);
1188 if (r < 0)
1189 return r;
1190 }
1191
1192 r = sd_bus_message_exit_container(m);
1193 if (r < 0)
1194 return r;
1195
1196 if (k < 0) {
1197 log_debug("Invalid DNS server, ignoring: %s", bus_error_message(&error, k));
1198 *ret = NULL;
1199 return 1;
1200 }
1201
1202 if (with_ifindex && ifindex != 0) {
1203 /* only show the global ones here */
1204 *ret = NULL;
1205 return 1;
1206 }
1207
1208 r = in_addr_port_ifindex_name_to_string(family, &a, port, ifindex, name, &pretty);
1209 if (r < 0)
1210 return r;
1211
1212 *ret = TAKE_PTR(pretty);
1213
1214 return 1;
1215 }
1216
1217 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) {
1218 char ***l = userdata;
1219 int r;
1220
1221 assert(bus);
1222 assert(member);
1223 assert(m);
1224 assert(l);
1225
1226 r = sd_bus_message_enter_container(m, 'a', extended ? "(iayqs)" : "(iay)");
1227 if (r < 0)
1228 return r;
1229
1230 for (;;) {
1231 _cleanup_free_ char *pretty = NULL;
1232
1233 r = read_dns_server_one(m, false, extended, &pretty);
1234 if (r < 0)
1235 return r;
1236 if (r == 0)
1237 break;
1238
1239 if (isempty(pretty))
1240 continue;
1241
1242 r = strv_consume(l, TAKE_PTR(pretty));
1243 if (r < 0)
1244 return r;
1245 }
1246
1247 r = sd_bus_message_exit_container(m);
1248 if (r < 0)
1249 return r;
1250
1251 return 0;
1252 }
1253
1254 static int map_link_dns_servers(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1255 return map_link_dns_servers_internal(bus, member, m, error, userdata, false);
1256 }
1257
1258 static int map_link_dns_servers_ex(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1259 return map_link_dns_servers_internal(bus, member, m, error, userdata, true);
1260 }
1261
1262 static int map_link_current_dns_server(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1263 assert(m);
1264 assert(userdata);
1265
1266 return read_dns_server_one(m, false, false, userdata);
1267 }
1268
1269 static int map_link_current_dns_server_ex(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1270 assert(m);
1271 assert(userdata);
1272
1273 return read_dns_server_one(m, false, true, userdata);
1274 }
1275
1276 static int read_domain_one(sd_bus_message *m, bool with_ifindex, char **ret) {
1277 _cleanup_free_ char *str = NULL;
1278 int ifindex, route_only, r;
1279 const char *domain;
1280
1281 assert(m);
1282 assert(ret);
1283
1284 if (with_ifindex)
1285 r = sd_bus_message_read(m, "(isb)", &ifindex, &domain, &route_only);
1286 else
1287 r = sd_bus_message_read(m, "(sb)", &domain, &route_only);
1288 if (r <= 0)
1289 return r;
1290
1291 if (with_ifindex && ifindex != 0) {
1292 /* only show the global ones here */
1293 *ret = NULL;
1294 return 1;
1295 }
1296
1297 if (route_only)
1298 str = strjoin("~", domain);
1299 else
1300 str = strdup(domain);
1301 if (!str)
1302 return -ENOMEM;
1303
1304 *ret = TAKE_PTR(str);
1305
1306 return 1;
1307 }
1308
1309 static int map_link_domains(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1310 char ***l = userdata;
1311 int r;
1312
1313 assert(bus);
1314 assert(member);
1315 assert(m);
1316 assert(l);
1317
1318 r = sd_bus_message_enter_container(m, 'a', "(sb)");
1319 if (r < 0)
1320 return r;
1321
1322 for (;;) {
1323 _cleanup_free_ char *pretty = NULL;
1324
1325 r = read_domain_one(m, false, &pretty);
1326 if (r < 0)
1327 return r;
1328 if (r == 0)
1329 break;
1330
1331 if (isempty(pretty))
1332 continue;
1333
1334 r = strv_consume(l, TAKE_PTR(pretty));
1335 if (r < 0)
1336 return r;
1337 }
1338
1339 r = sd_bus_message_exit_container(m);
1340 if (r < 0)
1341 return r;
1342
1343 strv_sort(*l);
1344
1345 return 0;
1346 }
1347
1348 static int status_print_strv_ifindex(int ifindex, const char *ifname, char **p) {
1349 const unsigned indent = strlen("Global: "); /* Use the same indentation everywhere to make things nice */
1350 int pos1, pos2;
1351
1352 if (ifname)
1353 printf("%s%nLink %i (%s)%n%s:", ansi_highlight(), &pos1, ifindex, ifname, &pos2, ansi_normal());
1354 else
1355 printf("%s%nGlobal%n%s:", ansi_highlight(), &pos1, &pos2, ansi_normal());
1356
1357 size_t cols = columns(), position = pos2 - pos1 + 2;
1358 char **i;
1359
1360 STRV_FOREACH(i, p) {
1361 size_t our_len = utf8_console_width(*i); /* This returns -1 on invalid utf-8 (which shouldn't happen).
1362 * If that happens, we'll just print one item per line. */
1363
1364 if (position <= indent || size_add(size_add(position, 1), our_len) < cols) {
1365 printf(" %s", *i);
1366 position = size_add(size_add(position, 1), our_len);
1367 } else {
1368 printf("\n%*s%s", indent, "", *i);
1369 position = size_add(our_len, indent);
1370 }
1371 }
1372
1373 printf("\n");
1374
1375 return 0;
1376 }
1377
1378 static int status_print_strv_global(char **p) {
1379 return status_print_strv_ifindex(0, NULL, p);
1380 }
1381
1382 typedef struct LinkInfo {
1383 uint64_t scopes_mask;
1384 const char *llmnr;
1385 const char *mdns;
1386 const char *dns_over_tls;
1387 const char *dnssec;
1388 char *current_dns;
1389 char *current_dns_ex;
1390 char **dns;
1391 char **dns_ex;
1392 char **domains;
1393 char **ntas;
1394 bool dnssec_supported;
1395 bool default_route;
1396 } LinkInfo;
1397
1398 typedef struct GlobalInfo {
1399 char *current_dns;
1400 char *current_dns_ex;
1401 char **dns;
1402 char **dns_ex;
1403 char **fallback_dns;
1404 char **fallback_dns_ex;
1405 char **domains;
1406 char **ntas;
1407 const char *llmnr;
1408 const char *mdns;
1409 const char *dns_over_tls;
1410 const char *dnssec;
1411 const char *resolv_conf_mode;
1412 bool dnssec_supported;
1413 } GlobalInfo;
1414
1415 static void link_info_clear(LinkInfo *p) {
1416 free(p->current_dns);
1417 free(p->current_dns_ex);
1418 strv_free(p->dns);
1419 strv_free(p->dns_ex);
1420 strv_free(p->domains);
1421 strv_free(p->ntas);
1422 }
1423
1424 static void global_info_clear(GlobalInfo *p) {
1425 free(p->current_dns);
1426 free(p->current_dns_ex);
1427 strv_free(p->dns);
1428 strv_free(p->dns_ex);
1429 strv_free(p->fallback_dns);
1430 strv_free(p->fallback_dns_ex);
1431 strv_free(p->domains);
1432 strv_free(p->ntas);
1433 }
1434
1435 static int dump_list(Table *table, const char *prefix, char * const *l) {
1436 int r;
1437
1438 if (strv_isempty(l))
1439 return 0;
1440
1441 r = table_add_many(table,
1442 TABLE_STRING, prefix,
1443 TABLE_STRV_WRAPPED, l);
1444 if (r < 0)
1445 return table_log_add_error(r);
1446
1447 return 0;
1448 }
1449
1450 static int strv_extend_extended_bool(char ***strv, const char *name, const char *value) {
1451 int r;
1452
1453 if (value) {
1454 r = parse_boolean(value);
1455 if (r >= 0)
1456 return strv_extendf(strv, "%s%s", plus_minus(r), name);
1457 }
1458
1459 return strv_extendf(strv, "%s=%s", name, value ?: "???");
1460 }
1461
1462 static char** link_protocol_status(const LinkInfo *info) {
1463 _cleanup_strv_free_ char **s = NULL;
1464
1465 if (strv_extendf(&s, "%sDefaultRoute", plus_minus(info->default_route)) < 0)
1466 return NULL;
1467
1468 if (strv_extend_extended_bool(&s, "LLMNR", info->llmnr) < 0)
1469 return NULL;
1470
1471 if (strv_extend_extended_bool(&s, "mDNS", info->mdns) < 0)
1472 return NULL;
1473
1474 if (strv_extend_extended_bool(&s, "DNSOverTLS", info->dns_over_tls) < 0)
1475 return NULL;
1476
1477 if (strv_extendf(&s, "DNSSEC=%s/%s",
1478 info->dnssec ?: "???",
1479 info->dnssec_supported ? "supported" : "unsupported") < 0)
1480 return NULL;
1481
1482 return TAKE_PTR(s);
1483 }
1484
1485 static char** global_protocol_status(const GlobalInfo *info) {
1486 _cleanup_strv_free_ char **s = NULL;
1487
1488 if (strv_extend_extended_bool(&s, "LLMNR", info->llmnr) < 0)
1489 return NULL;
1490
1491 if (strv_extend_extended_bool(&s, "mDNS", info->mdns) < 0)
1492 return NULL;
1493
1494 if (strv_extend_extended_bool(&s, "DNSOverTLS", info->dns_over_tls) < 0)
1495 return NULL;
1496
1497 if (strv_extendf(&s, "DNSSEC=%s/%s",
1498 info->dnssec ?: "???",
1499 info->dnssec_supported ? "supported" : "unsupported") < 0)
1500 return NULL;
1501
1502 return TAKE_PTR(s);
1503 }
1504
1505 static int status_ifindex(sd_bus *bus, int ifindex, const char *name, StatusMode mode, bool *empty_line) {
1506 static const struct bus_properties_map property_map[] = {
1507 { "ScopesMask", "t", NULL, offsetof(LinkInfo, scopes_mask) },
1508 { "DNS", "a(iay)", map_link_dns_servers, offsetof(LinkInfo, dns) },
1509 { "DNSEx", "a(iayqs)", map_link_dns_servers_ex, offsetof(LinkInfo, dns_ex) },
1510 { "CurrentDNSServer", "(iay)", map_link_current_dns_server, offsetof(LinkInfo, current_dns) },
1511 { "CurrentDNSServerEx", "(iayqs)", map_link_current_dns_server_ex, offsetof(LinkInfo, current_dns_ex) },
1512 { "Domains", "a(sb)", map_link_domains, offsetof(LinkInfo, domains) },
1513 { "DefaultRoute", "b", NULL, offsetof(LinkInfo, default_route) },
1514 { "LLMNR", "s", NULL, offsetof(LinkInfo, llmnr) },
1515 { "MulticastDNS", "s", NULL, offsetof(LinkInfo, mdns) },
1516 { "DNSOverTLS", "s", NULL, offsetof(LinkInfo, dns_over_tls) },
1517 { "DNSSEC", "s", NULL, offsetof(LinkInfo, dnssec) },
1518 { "DNSSECNegativeTrustAnchors", "as", bus_map_strv_sort, offsetof(LinkInfo, ntas) },
1519 { "DNSSECSupported", "b", NULL, offsetof(LinkInfo, dnssec_supported) },
1520 {}
1521 };
1522 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1523 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
1524 _cleanup_(link_info_clear) LinkInfo link_info = {};
1525 _cleanup_(table_unrefp) Table *table = NULL;
1526 _cleanup_free_ char *p = NULL;
1527 char ifi[DECIMAL_STR_MAX(int)], ifname[IF_NAMESIZE + 1] = "";
1528 int r;
1529
1530 assert(bus);
1531 assert(ifindex > 0);
1532
1533 if (!name) {
1534 if (!format_ifname(ifindex, ifname))
1535 return log_error_errno(errno, "Failed to resolve interface name for %i: %m", ifindex);
1536
1537 name = ifname;
1538 }
1539
1540 xsprintf(ifi, "%i", ifindex);
1541 r = sd_bus_path_encode("/org/freedesktop/resolve1/link", ifi, &p);
1542 if (r < 0)
1543 return log_oom();
1544
1545 r = bus_map_all_properties(bus,
1546 "org.freedesktop.resolve1",
1547 p,
1548 property_map,
1549 BUS_MAP_BOOLEAN_AS_BOOL,
1550 &error,
1551 &m,
1552 &link_info);
1553 if (r < 0)
1554 return log_error_errno(r, "Failed to get link data for %i: %s", ifindex, bus_error_message(&error, r));
1555
1556 (void) pager_open(arg_pager_flags);
1557
1558 if (mode == STATUS_DNS)
1559 return status_print_strv_ifindex(ifindex, name, link_info.dns_ex ?: link_info.dns);
1560
1561 if (mode == STATUS_DOMAIN)
1562 return status_print_strv_ifindex(ifindex, name, link_info.domains);
1563
1564 if (mode == STATUS_NTA)
1565 return status_print_strv_ifindex(ifindex, name, link_info.ntas);
1566
1567 if (mode == STATUS_DEFAULT_ROUTE) {
1568 printf("%sLink %i (%s)%s: %s\n",
1569 ansi_highlight(), ifindex, name, ansi_normal(),
1570 yes_no(link_info.default_route));
1571
1572 return 0;
1573 }
1574
1575 if (mode == STATUS_LLMNR) {
1576 printf("%sLink %i (%s)%s: %s\n",
1577 ansi_highlight(), ifindex, name, ansi_normal(),
1578 strna(link_info.llmnr));
1579
1580 return 0;
1581 }
1582
1583 if (mode == STATUS_MDNS) {
1584 printf("%sLink %i (%s)%s: %s\n",
1585 ansi_highlight(), ifindex, name, ansi_normal(),
1586 strna(link_info.mdns));
1587
1588 return 0;
1589 }
1590
1591 if (mode == STATUS_PRIVATE) {
1592 printf("%sLink %i (%s)%s: %s\n",
1593 ansi_highlight(), ifindex, name, ansi_normal(),
1594 strna(link_info.dns_over_tls));
1595
1596 return 0;
1597 }
1598
1599 if (mode == STATUS_DNSSEC) {
1600 printf("%sLink %i (%s)%s: %s\n",
1601 ansi_highlight(), ifindex, name, ansi_normal(),
1602 strna(link_info.dnssec));
1603
1604 return 0;
1605 }
1606
1607 if (empty_line && *empty_line)
1608 fputc('\n', stdout);
1609
1610 printf("%sLink %i (%s)%s\n",
1611 ansi_highlight(), ifindex, name, ansi_normal());
1612
1613 table = table_new("key", "value");
1614 if (!table)
1615 return log_oom();
1616
1617 table_set_header(table, false);
1618
1619 r = table_add_many(table,
1620 TABLE_STRING, "Current Scopes:",
1621 TABLE_SET_ALIGN_PERCENT, 100);
1622 if (r < 0)
1623 return table_log_add_error(r);
1624
1625 if (link_info.scopes_mask == 0)
1626 r = table_add_cell(table, NULL, TABLE_STRING, "none");
1627 else {
1628 _cleanup_free_ char *buf = NULL;
1629 size_t len;
1630
1631 if (asprintf(&buf, "%s%s%s%s%s",
1632 link_info.scopes_mask & SD_RESOLVED_DNS ? "DNS " : "",
1633 link_info.scopes_mask & SD_RESOLVED_LLMNR_IPV4 ? "LLMNR/IPv4 " : "",
1634 link_info.scopes_mask & SD_RESOLVED_LLMNR_IPV6 ? "LLMNR/IPv6 " : "",
1635 link_info.scopes_mask & SD_RESOLVED_MDNS_IPV4 ? "mDNS/IPv4 " : "",
1636 link_info.scopes_mask & SD_RESOLVED_MDNS_IPV6 ? "mDNS/IPv6 " : "") < 0)
1637 return log_oom();
1638
1639 len = strlen(buf);
1640 assert(len > 0);
1641 buf[len - 1] = '\0';
1642
1643 r = table_add_cell(table, NULL, TABLE_STRING, buf);
1644 }
1645 if (r < 0)
1646 return table_log_add_error(r);
1647
1648 _cleanup_strv_free_ char **pstatus = link_protocol_status(&link_info);
1649 if (!pstatus)
1650 return log_oom();
1651
1652 r = table_add_many(table,
1653 TABLE_STRING, "Protocols:",
1654 TABLE_STRV_WRAPPED, pstatus);
1655 if (r < 0)
1656 return table_log_add_error(r);
1657
1658 if (link_info.current_dns) {
1659 r = table_add_many(table,
1660 TABLE_STRING, "Current DNS Server:",
1661 TABLE_STRING, link_info.current_dns_ex ?: link_info.current_dns);
1662 if (r < 0)
1663 return table_log_add_error(r);
1664 }
1665
1666 r = dump_list(table, "DNS Servers:", link_info.dns_ex ?: link_info.dns);
1667 if (r < 0)
1668 return r;
1669
1670 r = dump_list(table, "DNS Domain:", link_info.domains);
1671 if (r < 0)
1672 return r;
1673
1674 r = table_print(table, NULL);
1675 if (r < 0)
1676 return table_log_print_error(r);
1677
1678 if (empty_line)
1679 *empty_line = true;
1680
1681 return 0;
1682 }
1683
1684 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) {
1685 char ***l = userdata;
1686 int r;
1687
1688 assert(bus);
1689 assert(member);
1690 assert(m);
1691 assert(l);
1692
1693 r = sd_bus_message_enter_container(m, 'a', extended ? "(iiayqs)" : "(iiay)");
1694 if (r < 0)
1695 return r;
1696
1697 for (;;) {
1698 _cleanup_free_ char *pretty = NULL;
1699
1700 r = read_dns_server_one(m, true, extended, &pretty);
1701 if (r < 0)
1702 return r;
1703 if (r == 0)
1704 break;
1705
1706 if (isempty(pretty))
1707 continue;
1708
1709 r = strv_consume(l, TAKE_PTR(pretty));
1710 if (r < 0)
1711 return r;
1712 }
1713
1714 r = sd_bus_message_exit_container(m);
1715 if (r < 0)
1716 return r;
1717
1718 return 0;
1719 }
1720
1721 static int map_global_dns_servers(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1722 return map_global_dns_servers_internal(bus, member, m, error, userdata, false);
1723 }
1724
1725 static int map_global_dns_servers_ex(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1726 return map_global_dns_servers_internal(bus, member, m, error, userdata, true);
1727 }
1728
1729 static int map_global_current_dns_server(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1730 assert(m);
1731 assert(userdata);
1732
1733 return read_dns_server_one(m, true, false, userdata);
1734 }
1735
1736 static int map_global_current_dns_server_ex(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1737 assert(m);
1738 assert(userdata);
1739
1740 return read_dns_server_one(m, true, true, userdata);
1741 }
1742
1743 static int map_global_domains(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1744 char ***l = userdata;
1745 int r;
1746
1747 assert(bus);
1748 assert(member);
1749 assert(m);
1750 assert(l);
1751
1752 r = sd_bus_message_enter_container(m, 'a', "(isb)");
1753 if (r < 0)
1754 return r;
1755
1756 for (;;) {
1757 _cleanup_free_ char *pretty = NULL;
1758
1759 r = read_domain_one(m, true, &pretty);
1760 if (r < 0)
1761 return r;
1762 if (r == 0)
1763 break;
1764
1765 if (isempty(pretty))
1766 continue;
1767
1768 r = strv_consume(l, TAKE_PTR(pretty));
1769 if (r < 0)
1770 return r;
1771 }
1772
1773 r = sd_bus_message_exit_container(m);
1774 if (r < 0)
1775 return r;
1776
1777 strv_sort(*l);
1778
1779 return 0;
1780 }
1781
1782 static int status_global(sd_bus *bus, StatusMode mode, bool *empty_line) {
1783 static const struct bus_properties_map property_map[] = {
1784 { "DNS", "a(iiay)", map_global_dns_servers, offsetof(GlobalInfo, dns) },
1785 { "DNSEx", "a(iiayqs)", map_global_dns_servers_ex, offsetof(GlobalInfo, dns_ex) },
1786 { "FallbackDNS", "a(iiay)", map_global_dns_servers, offsetof(GlobalInfo, fallback_dns) },
1787 { "FallbackDNSEx", "a(iiayqs)", map_global_dns_servers_ex, offsetof(GlobalInfo, fallback_dns_ex) },
1788 { "CurrentDNSServer", "(iiay)", map_global_current_dns_server, offsetof(GlobalInfo, current_dns) },
1789 { "CurrentDNSServerEx", "(iiayqs)", map_global_current_dns_server_ex, offsetof(GlobalInfo, current_dns_ex) },
1790 { "Domains", "a(isb)", map_global_domains, offsetof(GlobalInfo, domains) },
1791 { "DNSSECNegativeTrustAnchors", "as", bus_map_strv_sort, offsetof(GlobalInfo, ntas) },
1792 { "LLMNR", "s", NULL, offsetof(GlobalInfo, llmnr) },
1793 { "MulticastDNS", "s", NULL, offsetof(GlobalInfo, mdns) },
1794 { "DNSOverTLS", "s", NULL, offsetof(GlobalInfo, dns_over_tls) },
1795 { "DNSSEC", "s", NULL, offsetof(GlobalInfo, dnssec) },
1796 { "DNSSECSupported", "b", NULL, offsetof(GlobalInfo, dnssec_supported) },
1797 { "ResolvConfMode", "s", NULL, offsetof(GlobalInfo, resolv_conf_mode) },
1798 {}
1799 };
1800 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1801 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
1802 _cleanup_(global_info_clear) GlobalInfo global_info = {};
1803 _cleanup_(table_unrefp) Table *table = NULL;
1804 int r;
1805
1806 assert(bus);
1807 assert(empty_line);
1808
1809 r = bus_map_all_properties(bus,
1810 "org.freedesktop.resolve1",
1811 "/org/freedesktop/resolve1",
1812 property_map,
1813 BUS_MAP_BOOLEAN_AS_BOOL,
1814 &error,
1815 &m,
1816 &global_info);
1817 if (r < 0)
1818 return log_error_errno(r, "Failed to get global data: %s", bus_error_message(&error, r));
1819
1820 (void) pager_open(arg_pager_flags);
1821
1822 if (mode == STATUS_DNS)
1823 return status_print_strv_global(global_info.dns_ex ?: global_info.dns);
1824
1825 if (mode == STATUS_DOMAIN)
1826 return status_print_strv_global(global_info.domains);
1827
1828 if (mode == STATUS_NTA)
1829 return status_print_strv_global(global_info.ntas);
1830
1831 if (mode == STATUS_LLMNR) {
1832 printf("%sGlobal%s: %s\n", ansi_highlight(), ansi_normal(),
1833 strna(global_info.llmnr));
1834
1835 return 0;
1836 }
1837
1838 if (mode == STATUS_MDNS) {
1839 printf("%sGlobal%s: %s\n", ansi_highlight(), ansi_normal(),
1840 strna(global_info.mdns));
1841
1842 return 0;
1843 }
1844
1845 if (mode == STATUS_PRIVATE) {
1846 printf("%sGlobal%s: %s\n", ansi_highlight(), ansi_normal(),
1847 strna(global_info.dns_over_tls));
1848
1849 return 0;
1850 }
1851
1852 if (mode == STATUS_DNSSEC) {
1853 printf("%sGlobal%s: %s\n", ansi_highlight(), ansi_normal(),
1854 strna(global_info.dnssec));
1855
1856 return 0;
1857 }
1858
1859 printf("%sGlobal%s\n", ansi_highlight(), ansi_normal());
1860
1861 table = table_new("key", "value");
1862 if (!table)
1863 return log_oom();
1864
1865 table_set_header(table, false);
1866
1867 _cleanup_strv_free_ char **pstatus = global_protocol_status(&global_info);
1868 if (!pstatus)
1869 return log_oom();
1870
1871 r = table_add_many(table,
1872 TABLE_STRING, "Protocols:",
1873 TABLE_SET_ALIGN_PERCENT, 100,
1874 TABLE_STRV_WRAPPED, pstatus);
1875 if (r < 0)
1876 return table_log_add_error(r);
1877
1878 if (global_info.resolv_conf_mode) {
1879 r = table_add_many(table,
1880 TABLE_STRING, "resolv.conf mode:",
1881 TABLE_STRING, global_info.resolv_conf_mode);
1882 if (r < 0)
1883 return table_log_add_error(r);
1884 }
1885
1886 if (global_info.current_dns) {
1887 r = table_add_many(table,
1888 TABLE_STRING, "Current DNS Server:",
1889 TABLE_STRING, global_info.current_dns_ex ?: global_info.current_dns);
1890 if (r < 0)
1891 return table_log_add_error(r);
1892 }
1893
1894 r = dump_list(table, "DNS Servers:", global_info.dns_ex ?: global_info.dns);
1895 if (r < 0)
1896 return r;
1897
1898 r = dump_list(table, "Fallback DNS Servers:", global_info.fallback_dns_ex ?: global_info.fallback_dns);
1899 if (r < 0)
1900 return r;
1901
1902 r = dump_list(table, "DNS Domain:", global_info.domains);
1903 if (r < 0)
1904 return r;
1905
1906 r = table_print(table, NULL);
1907 if (r < 0)
1908 return table_log_print_error(r);
1909
1910 *empty_line = true;
1911
1912 return 0;
1913 }
1914
1915 static int status_all(sd_bus *bus, StatusMode mode) {
1916 _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL, *reply = NULL;
1917 _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL;
1918 bool empty_line = false;
1919 int r;
1920
1921 assert(bus);
1922
1923 r = status_global(bus, mode, &empty_line);
1924 if (r < 0)
1925 return r;
1926
1927 r = sd_netlink_open(&rtnl);
1928 if (r < 0)
1929 return log_error_errno(r, "Failed to connect to netlink: %m");
1930
1931 r = sd_rtnl_message_new_link(rtnl, &req, RTM_GETLINK, 0);
1932 if (r < 0)
1933 return rtnl_log_create_error(r);
1934
1935 r = sd_netlink_message_request_dump(req, true);
1936 if (r < 0)
1937 return rtnl_log_create_error(r);
1938
1939 r = sd_netlink_call(rtnl, req, 0, &reply);
1940 if (r < 0)
1941 return log_error_errno(r, "Failed to enumerate links: %m");
1942
1943 _cleanup_free_ InterfaceInfo *infos = NULL;
1944 size_t n_allocated = 0, n_infos = 0;
1945
1946 for (sd_netlink_message *i = reply; i; i = sd_netlink_message_next(i)) {
1947 const char *name;
1948 int ifindex;
1949 uint16_t type;
1950
1951 r = sd_netlink_message_get_type(i, &type);
1952 if (r < 0)
1953 return rtnl_log_parse_error(r);
1954
1955 if (type != RTM_NEWLINK)
1956 continue;
1957
1958 r = sd_rtnl_message_link_get_ifindex(i, &ifindex);
1959 if (r < 0)
1960 return rtnl_log_parse_error(r);
1961
1962 if (ifindex == LOOPBACK_IFINDEX)
1963 continue;
1964
1965 r = sd_netlink_message_read_string(i, IFLA_IFNAME, &name);
1966 if (r < 0)
1967 return rtnl_log_parse_error(r);
1968
1969 if (!GREEDY_REALLOC(infos, n_allocated, n_infos + 1))
1970 return log_oom();
1971
1972 infos[n_infos++] = (InterfaceInfo) { ifindex, name };
1973 }
1974
1975 typesafe_qsort(infos, n_infos, interface_info_compare);
1976
1977 r = 0;
1978 for (size_t i = 0; i < n_infos; i++) {
1979 int q = status_ifindex(bus, infos[i].index, infos[i].name, mode, &empty_line);
1980 if (q < 0 && r >= 0)
1981 r = q;
1982 }
1983
1984 return r;
1985 }
1986
1987 static int verb_status(int argc, char **argv, void *userdata) {
1988 sd_bus *bus = userdata;
1989 _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL;
1990 int r = 0;
1991
1992 if (argc > 1) {
1993 char **ifname;
1994 bool empty_line = false;
1995
1996 STRV_FOREACH(ifname, argv + 1) {
1997 int ifindex, q;
1998
1999 ifindex = resolve_interface(&rtnl, *ifname);
2000 if (ifindex < 0) {
2001 log_warning_errno(ifindex, "Failed to resolve interface \"%s\", ignoring: %m", *ifname);
2002 continue;
2003 }
2004
2005 q = status_ifindex(bus, ifindex, NULL, STATUS_ALL, &empty_line);
2006 if (q < 0)
2007 r = q;
2008 }
2009 } else
2010 r = status_all(bus, STATUS_ALL);
2011
2012 return r;
2013 }
2014
2015 static int call_dns(sd_bus *bus, char **dns, const BusLocator *locator, sd_bus_error *error, bool extended) {
2016 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL;
2017 char **p;
2018 int r;
2019
2020 r = bus_message_new_method_call(bus, &req, locator, extended ? "SetLinkDNSEx" : "SetLinkDNS");
2021 if (r < 0)
2022 return bus_log_create_error(r);
2023
2024 r = sd_bus_message_append(req, "i", arg_ifindex);
2025 if (r < 0)
2026 return bus_log_create_error(r);
2027
2028 r = sd_bus_message_open_container(req, 'a', extended ? "(iayqs)" : "(iay)");
2029 if (r < 0)
2030 return bus_log_create_error(r);
2031
2032 /* If only argument is the empty string, then call SetLinkDNS() with an
2033 * empty list, which will clear the list of domains for an interface. */
2034 if (!strv_equal(dns, STRV_MAKE("")))
2035 STRV_FOREACH(p, dns) {
2036 _cleanup_free_ char *name = NULL;
2037 struct in_addr_data data;
2038 uint16_t port;
2039 int ifindex;
2040
2041 r = in_addr_port_ifindex_name_from_string_auto(*p, &data.family, &data.address, &port, &ifindex, &name);
2042 if (r < 0)
2043 return log_error_errno(r, "Failed to parse DNS server address: %s", *p);
2044
2045 if (ifindex != 0 && ifindex != arg_ifindex)
2046 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid ifindex: %i", ifindex);
2047
2048 r = sd_bus_message_open_container(req, 'r', extended ? "iayqs" : "iay");
2049 if (r < 0)
2050 return bus_log_create_error(r);
2051
2052 r = sd_bus_message_append(req, "i", data.family);
2053 if (r < 0)
2054 return bus_log_create_error(r);
2055
2056 r = sd_bus_message_append_array(req, 'y', &data.address, FAMILY_ADDRESS_SIZE(data.family));
2057 if (r < 0)
2058 return bus_log_create_error(r);
2059
2060 if (extended) {
2061 r = sd_bus_message_append(req, "q", port);
2062 if (r < 0)
2063 return bus_log_create_error(r);
2064
2065 r = sd_bus_message_append(req, "s", name);
2066 if (r < 0)
2067 return bus_log_create_error(r);
2068 }
2069
2070 r = sd_bus_message_close_container(req);
2071 if (r < 0)
2072 return bus_log_create_error(r);
2073 }
2074
2075 r = sd_bus_message_close_container(req);
2076 if (r < 0)
2077 return bus_log_create_error(r);
2078
2079 r = sd_bus_call(bus, req, 0, error, NULL);
2080 if (r < 0 && extended && sd_bus_error_has_name(error, SD_BUS_ERROR_UNKNOWN_METHOD)) {
2081 sd_bus_error_free(error);
2082 return call_dns(bus, dns, locator, error, false);
2083 }
2084 return r;
2085 }
2086
2087 static int verb_dns(int argc, char **argv, void *userdata) {
2088 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2089 sd_bus *bus = userdata;
2090 int r;
2091
2092 assert(bus);
2093
2094 if (argc >= 2) {
2095 r = ifname_mangle(argv[1]);
2096 if (r < 0)
2097 return r;
2098 }
2099
2100 if (arg_ifindex <= 0)
2101 return status_all(bus, STATUS_DNS);
2102
2103 if (argc < 3)
2104 return status_ifindex(bus, arg_ifindex, NULL, STATUS_DNS, NULL);
2105
2106 r = call_dns(bus, argv + 2, bus_resolve_mgr, &error, true);
2107 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2108 sd_bus_error_free(&error);
2109
2110 r = call_dns(bus, argv + 2, bus_network_mgr, &error, true);
2111 }
2112 if (r < 0) {
2113 if (arg_ifindex_permissive &&
2114 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2115 return 0;
2116
2117 return log_error_errno(r, "Failed to set DNS configuration: %s", bus_error_message(&error, r));
2118 }
2119
2120 return 0;
2121 }
2122
2123 static int call_domain(sd_bus *bus, char **domain, const BusLocator *locator, sd_bus_error *error) {
2124 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL;
2125 char **p;
2126 int r;
2127
2128 r = bus_message_new_method_call(bus, &req, locator, "SetLinkDomains");
2129 if (r < 0)
2130 return bus_log_create_error(r);
2131
2132 r = sd_bus_message_append(req, "i", arg_ifindex);
2133 if (r < 0)
2134 return bus_log_create_error(r);
2135
2136 r = sd_bus_message_open_container(req, 'a', "(sb)");
2137 if (r < 0)
2138 return bus_log_create_error(r);
2139
2140 /* If only argument is the empty string, then call SetLinkDomains() with an
2141 * empty list, which will clear the list of domains for an interface. */
2142 if (!strv_equal(domain, STRV_MAKE("")))
2143 STRV_FOREACH(p, domain) {
2144 const char *n;
2145
2146 n = **p == '~' ? *p + 1 : *p;
2147
2148 r = dns_name_is_valid(n);
2149 if (r < 0)
2150 return log_error_errno(r, "Failed to validate specified domain %s: %m", n);
2151 if (r == 0)
2152 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2153 "Domain not valid: %s",
2154 n);
2155
2156 r = sd_bus_message_append(req, "(sb)", n, **p == '~');
2157 if (r < 0)
2158 return bus_log_create_error(r);
2159 }
2160
2161 r = sd_bus_message_close_container(req);
2162 if (r < 0)
2163 return bus_log_create_error(r);
2164
2165 return sd_bus_call(bus, req, 0, error, NULL);
2166 }
2167
2168 static int verb_domain(int argc, char **argv, void *userdata) {
2169 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2170 sd_bus *bus = userdata;
2171 int r;
2172
2173 assert(bus);
2174
2175 if (argc >= 2) {
2176 r = ifname_mangle(argv[1]);
2177 if (r < 0)
2178 return r;
2179 }
2180
2181 if (arg_ifindex <= 0)
2182 return status_all(bus, STATUS_DOMAIN);
2183
2184 if (argc < 3)
2185 return status_ifindex(bus, arg_ifindex, NULL, STATUS_DOMAIN, NULL);
2186
2187 r = call_domain(bus, argv + 2, bus_resolve_mgr, &error);
2188 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2189 sd_bus_error_free(&error);
2190
2191 r = call_domain(bus, argv + 2, bus_network_mgr, &error);
2192 }
2193 if (r < 0) {
2194 if (arg_ifindex_permissive &&
2195 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2196 return 0;
2197
2198 return log_error_errno(r, "Failed to set domain configuration: %s", bus_error_message(&error, r));
2199 }
2200
2201 return 0;
2202 }
2203
2204 static int verb_default_route(int argc, char **argv, void *userdata) {
2205 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2206 sd_bus *bus = userdata;
2207 int r, b;
2208
2209 assert(bus);
2210
2211 if (argc >= 2) {
2212 r = ifname_mangle(argv[1]);
2213 if (r < 0)
2214 return r;
2215 }
2216
2217 if (arg_ifindex <= 0)
2218 return status_all(bus, STATUS_DEFAULT_ROUTE);
2219
2220 if (argc < 3)
2221 return status_ifindex(bus, arg_ifindex, NULL, STATUS_DEFAULT_ROUTE, NULL);
2222
2223 b = parse_boolean(argv[2]);
2224 if (b < 0)
2225 return log_error_errno(b, "Failed to parse boolean argument: %s", argv[2]);
2226
2227 r = bus_call_method(bus, bus_resolve_mgr, "SetLinkDefaultRoute", &error, NULL, "ib", arg_ifindex, b);
2228 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2229 sd_bus_error_free(&error);
2230
2231 r = bus_call_method(bus, bus_network_mgr, "SetLinkDefaultRoute", &error, NULL, "ib", arg_ifindex, b);
2232 }
2233 if (r < 0) {
2234 if (arg_ifindex_permissive &&
2235 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2236 return 0;
2237
2238 return log_error_errno(r, "Failed to set default route configuration: %s", bus_error_message(&error, r));
2239 }
2240
2241 return 0;
2242 }
2243
2244 static int verb_llmnr(int argc, char **argv, void *userdata) {
2245 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2246 sd_bus *bus = userdata;
2247 int r;
2248
2249 assert(bus);
2250
2251 if (argc >= 2) {
2252 r = ifname_mangle(argv[1]);
2253 if (r < 0)
2254 return r;
2255 }
2256
2257 if (arg_ifindex <= 0)
2258 return status_all(bus, STATUS_LLMNR);
2259
2260 if (argc < 3)
2261 return status_ifindex(bus, arg_ifindex, NULL, STATUS_LLMNR, NULL);
2262
2263 r = bus_call_method(bus, bus_resolve_mgr, "SetLinkLLMNR", &error, NULL, "is", arg_ifindex, argv[2]);
2264 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2265 sd_bus_error_free(&error);
2266
2267 r = bus_call_method(bus, bus_network_mgr, "SetLinkLLMNR", &error, NULL, "is", arg_ifindex, argv[2]);
2268 }
2269 if (r < 0) {
2270 if (arg_ifindex_permissive &&
2271 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2272 return 0;
2273
2274 return log_error_errno(r, "Failed to set LLMNR configuration: %s", bus_error_message(&error, r));
2275 }
2276
2277 return 0;
2278 }
2279
2280 static int verb_mdns(int argc, char **argv, void *userdata) {
2281 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2282 sd_bus *bus = userdata;
2283 int r;
2284
2285 assert(bus);
2286
2287 if (argc >= 2) {
2288 r = ifname_mangle(argv[1]);
2289 if (r < 0)
2290 return r;
2291 }
2292
2293 if (arg_ifindex <= 0)
2294 return status_all(bus, STATUS_MDNS);
2295
2296 if (argc < 3)
2297 return status_ifindex(bus, arg_ifindex, NULL, STATUS_MDNS, NULL);
2298
2299 r = bus_call_method(bus, bus_resolve_mgr, "SetLinkMulticastDNS", &error, NULL, "is", arg_ifindex, argv[2]);
2300 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2301 sd_bus_error_free(&error);
2302
2303 r = bus_call_method(
2304 bus,
2305 bus_network_mgr,
2306 "SetLinkMulticastDNS",
2307 &error,
2308 NULL,
2309 "is", arg_ifindex, argv[2]);
2310 }
2311 if (r < 0) {
2312 if (arg_ifindex_permissive &&
2313 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2314 return 0;
2315
2316 return log_error_errno(r, "Failed to set MulticastDNS configuration: %s", bus_error_message(&error, r));
2317 }
2318
2319 return 0;
2320 }
2321
2322 static int verb_dns_over_tls(int argc, char **argv, void *userdata) {
2323 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2324 sd_bus *bus = userdata;
2325 int r;
2326
2327 assert(bus);
2328
2329 if (argc >= 2) {
2330 r = ifname_mangle(argv[1]);
2331 if (r < 0)
2332 return r;
2333 }
2334
2335 if (arg_ifindex <= 0)
2336 return status_all(bus, STATUS_PRIVATE);
2337
2338 if (argc < 3)
2339 return status_ifindex(bus, arg_ifindex, NULL, STATUS_PRIVATE, NULL);
2340
2341 r = bus_call_method(bus, bus_resolve_mgr, "SetLinkDNSOverTLS", &error, NULL, "is", arg_ifindex, argv[2]);
2342 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2343 sd_bus_error_free(&error);
2344
2345 r = bus_call_method(
2346 bus,
2347 bus_network_mgr,
2348 "SetLinkDNSOverTLS",
2349 &error,
2350 NULL,
2351 "is", arg_ifindex, argv[2]);
2352 }
2353 if (r < 0) {
2354 if (arg_ifindex_permissive &&
2355 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2356 return 0;
2357
2358 return log_error_errno(r, "Failed to set DNSOverTLS configuration: %s", bus_error_message(&error, r));
2359 }
2360
2361 return 0;
2362 }
2363
2364 static int verb_dnssec(int argc, char **argv, void *userdata) {
2365 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2366 sd_bus *bus = userdata;
2367 int r;
2368
2369 assert(bus);
2370
2371 if (argc >= 2) {
2372 r = ifname_mangle(argv[1]);
2373 if (r < 0)
2374 return r;
2375 }
2376
2377 if (arg_ifindex <= 0)
2378 return status_all(bus, STATUS_DNSSEC);
2379
2380 if (argc < 3)
2381 return status_ifindex(bus, arg_ifindex, NULL, STATUS_DNSSEC, NULL);
2382
2383 r = bus_call_method(bus, bus_resolve_mgr, "SetLinkDNSSEC", &error, NULL, "is", arg_ifindex, argv[2]);
2384 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2385 sd_bus_error_free(&error);
2386
2387 r = bus_call_method(bus, bus_network_mgr, "SetLinkDNSSEC", &error, NULL, "is", arg_ifindex, argv[2]);
2388 }
2389 if (r < 0) {
2390 if (arg_ifindex_permissive &&
2391 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2392 return 0;
2393
2394 return log_error_errno(r, "Failed to set DNSSEC configuration: %s", bus_error_message(&error, r));
2395 }
2396
2397 return 0;
2398 }
2399
2400 static int call_nta(sd_bus *bus, char **nta, const BusLocator *locator, sd_bus_error *error) {
2401 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL;
2402 int r;
2403
2404 r = bus_message_new_method_call(bus, &req, locator, "SetLinkDNSSECNegativeTrustAnchors");
2405 if (r < 0)
2406 return bus_log_create_error(r);
2407
2408 r = sd_bus_message_append(req, "i", arg_ifindex);
2409 if (r < 0)
2410 return bus_log_create_error(r);
2411
2412 r = sd_bus_message_append_strv(req, nta);
2413 if (r < 0)
2414 return bus_log_create_error(r);
2415
2416 return sd_bus_call(bus, req, 0, error, NULL);
2417 }
2418
2419 static int verb_nta(int argc, char **argv, void *userdata) {
2420 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2421 sd_bus *bus = userdata;
2422 char **p;
2423 int r;
2424 bool clear;
2425
2426 assert(bus);
2427
2428 if (argc >= 2) {
2429 r = ifname_mangle(argv[1]);
2430 if (r < 0)
2431 return r;
2432 }
2433
2434 if (arg_ifindex <= 0)
2435 return status_all(bus, STATUS_NTA);
2436
2437 if (argc < 3)
2438 return status_ifindex(bus, arg_ifindex, NULL, STATUS_NTA, NULL);
2439
2440 /* If only argument is the empty string, then call SetLinkDNSSECNegativeTrustAnchors()
2441 * with an empty list, which will clear the list of domains for an interface. */
2442 clear = strv_equal(argv + 2, STRV_MAKE(""));
2443
2444 if (!clear)
2445 STRV_FOREACH(p, argv + 2) {
2446 r = dns_name_is_valid(*p);
2447 if (r < 0)
2448 return log_error_errno(r, "Failed to validate specified domain %s: %m", *p);
2449 if (r == 0)
2450 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2451 "Domain not valid: %s",
2452 *p);
2453 }
2454
2455 r = call_nta(bus, clear ? NULL : argv + 2, bus_resolve_mgr, &error);
2456 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2457 sd_bus_error_free(&error);
2458
2459 r = call_nta(bus, clear ? NULL : argv + 2, bus_network_mgr, &error);
2460 }
2461 if (r < 0) {
2462 if (arg_ifindex_permissive &&
2463 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2464 return 0;
2465
2466 return log_error_errno(r, "Failed to set DNSSEC NTA configuration: %s", bus_error_message(&error, r));
2467 }
2468
2469 return 0;
2470 }
2471
2472 static int verb_revert_link(int argc, char **argv, void *userdata) {
2473 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2474 sd_bus *bus = userdata;
2475 int r;
2476
2477 assert(bus);
2478
2479 if (argc >= 2) {
2480 r = ifname_mangle(argv[1]);
2481 if (r < 0)
2482 return r;
2483 }
2484
2485 if (arg_ifindex <= 0)
2486 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Interface argument required.");
2487
2488 r = bus_call_method(bus, bus_resolve_mgr, "RevertLink", &error, NULL, "i", arg_ifindex);
2489 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2490 sd_bus_error_free(&error);
2491
2492 r = bus_call_method(bus, bus_network_mgr, "RevertLinkDNS", &error, NULL, "i", arg_ifindex);
2493 }
2494 if (r < 0) {
2495 if (arg_ifindex_permissive &&
2496 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2497 return 0;
2498
2499 return log_error_errno(r, "Failed to revert interface configuration: %s", bus_error_message(&error, r));
2500 }
2501
2502 return 0;
2503 }
2504
2505 static int verb_log_level(int argc, char *argv[], void *userdata) {
2506 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2507 sd_bus *bus = userdata;
2508 int r;
2509
2510 assert(bus);
2511
2512 if (argc == 1) {
2513 _cleanup_free_ char *level = NULL;
2514
2515 r = sd_bus_get_property_string(
2516 bus,
2517 "org.freedesktop.resolve1",
2518 "/org/freedesktop/LogControl1",
2519 "org.freedesktop.LogControl1",
2520 "LogLevel",
2521 &error,
2522 &level);
2523 if (r < 0)
2524 return log_error_errno(r, "Failed to get log level: %s", bus_error_message(&error, r));
2525
2526 puts(level);
2527
2528 } else {
2529 assert(argc == 2);
2530
2531 r = sd_bus_set_property(
2532 bus,
2533 "org.freedesktop.resolve1",
2534 "/org/freedesktop/LogControl1",
2535 "org.freedesktop.LogControl1",
2536 "LogLevel",
2537 &error,
2538 "s",
2539 argv[1]);
2540 if (r < 0)
2541 return log_error_errno(r, "Failed to set log level: %s", bus_error_message(&error, r));
2542 }
2543
2544 return 0;
2545 }
2546
2547 static void help_protocol_types(void) {
2548 if (arg_legend)
2549 puts("Known protocol types:");
2550 puts("dns\nllmnr\nllmnr-ipv4\nllmnr-ipv6\nmdns\nmdns-ipv4\nmdns-ipv6");
2551 }
2552
2553 static void help_dns_types(void) {
2554 if (arg_legend)
2555 puts("Known DNS RR types:");
2556
2557 DUMP_STRING_TABLE(dns_type, int, _DNS_TYPE_MAX);
2558 }
2559
2560 static void help_dns_classes(void) {
2561 if (arg_legend)
2562 puts("Known DNS RR classes:");
2563
2564 DUMP_STRING_TABLE(dns_class, int, _DNS_CLASS_MAX);
2565 }
2566
2567 static int compat_help(void) {
2568 _cleanup_free_ char *link = NULL;
2569 int r;
2570
2571 r = terminal_urlify_man("resolvectl", "1", &link);
2572 if (r < 0)
2573 return log_oom();
2574
2575 printf("%1$s [OPTIONS...] HOSTNAME|ADDRESS...\n"
2576 "%1$s [OPTIONS...] --service [[NAME] TYPE] DOMAIN\n"
2577 "%1$s [OPTIONS...] --openpgp EMAIL@DOMAIN...\n"
2578 "%1$s [OPTIONS...] --statistics\n"
2579 "%1$s [OPTIONS...] --reset-statistics\n"
2580 "\n"
2581 "%2$sResolve domain names, IPv4 and IPv6 addresses, DNS records, and services.%3$s\n\n"
2582 " -h --help Show this help\n"
2583 " --version Show package version\n"
2584 " --no-pager Do not pipe output into a pager\n"
2585 " -4 Resolve IPv4 addresses\n"
2586 " -6 Resolve IPv6 addresses\n"
2587 " -i --interface=INTERFACE Look on interface\n"
2588 " -p --protocol=PROTO|help Look via protocol\n"
2589 " -t --type=TYPE|help Query RR with DNS type\n"
2590 " -c --class=CLASS|help Query RR with DNS class\n"
2591 " --service Resolve service (SRV)\n"
2592 " --service-address=BOOL Resolve address for services (default: yes)\n"
2593 " --service-txt=BOOL Resolve TXT records for services (default: yes)\n"
2594 " --openpgp Query OpenPGP public key\n"
2595 " --tlsa Query TLS public key\n"
2596 " --cname=BOOL Follow CNAME redirects (default: yes)\n"
2597 " --search=BOOL Use search domains for single-label names\n"
2598 " (default: yes)\n"
2599 " --raw[=payload|packet] Dump the answer as binary data\n"
2600 " --legend=BOOL Print headers and additional info (default: yes)\n"
2601 " --statistics Show resolver statistics\n"
2602 " --reset-statistics Reset resolver statistics\n"
2603 " --status Show link and server status\n"
2604 " --flush-caches Flush all local DNS caches\n"
2605 " --reset-server-features\n"
2606 " Forget learnt DNS server feature levels\n"
2607 " --set-dns=SERVER Set per-interface DNS server address\n"
2608 " --set-domain=DOMAIN Set per-interface search domain\n"
2609 " --set-llmnr=MODE Set per-interface LLMNR mode\n"
2610 " --set-mdns=MODE Set per-interface MulticastDNS mode\n"
2611 " --set-dnsovertls=MODE Set per-interface DNS-over-TLS mode\n"
2612 " --set-dnssec=MODE Set per-interface DNSSEC mode\n"
2613 " --set-nta=DOMAIN Set per-interface DNSSEC NTA\n"
2614 " --revert Revert per-interface configuration\n"
2615 "\nSee the %4$s for details.\n",
2616 program_invocation_short_name,
2617 ansi_highlight(),
2618 ansi_normal(),
2619 link);
2620
2621 return 0;
2622 }
2623
2624 static int native_help(void) {
2625 _cleanup_free_ char *link = NULL;
2626 int r;
2627
2628 r = terminal_urlify_man("resolvectl", "1", &link);
2629 if (r < 0)
2630 return log_oom();
2631
2632 printf("%s [OPTIONS...] COMMAND ...\n"
2633 "\n"
2634 "%sSend control commands to the network name resolution manager, or%s\n"
2635 "%sresolve domain names, IPv4 and IPv6 addresses, DNS records, and services.%s\n"
2636 "\nCommands:\n"
2637 " query HOSTNAME|ADDRESS... Resolve domain names, IPv4 and IPv6 addresses\n"
2638 " service [[NAME] TYPE] DOMAIN Resolve service (SRV)\n"
2639 " openpgp EMAIL@DOMAIN... Query OpenPGP public key\n"
2640 " tlsa DOMAIN[:PORT]... Query TLS public key\n"
2641 " status [LINK...] Show link and server status\n"
2642 " statistics Show resolver statistics\n"
2643 " reset-statistics Reset resolver statistics\n"
2644 " flush-caches Flush all local DNS caches\n"
2645 " reset-server-features Forget learnt DNS server feature levels\n"
2646 " dns [LINK [SERVER...]] Get/set per-interface DNS server address\n"
2647 " domain [LINK [DOMAIN...]] Get/set per-interface search domain\n"
2648 " default-route [LINK [BOOL]] Get/set per-interface default route flag\n"
2649 " llmnr [LINK [MODE]] Get/set per-interface LLMNR mode\n"
2650 " mdns [LINK [MODE]] Get/set per-interface MulticastDNS mode\n"
2651 " dnsovertls [LINK [MODE]] Get/set per-interface DNS-over-TLS mode\n"
2652 " dnssec [LINK [MODE]] Get/set per-interface DNSSEC mode\n"
2653 " nta [LINK [DOMAIN...]] Get/set per-interface DNSSEC NTA\n"
2654 " revert LINK Revert per-interface configuration\n"
2655 " log-level [LEVEL] Get/set logging threshold for systemd-resolved\n"
2656 "\nOptions:\n"
2657 " -h --help Show this help\n"
2658 " --version Show package version\n"
2659 " --no-pager Do not pipe output into a pager\n"
2660 " -4 Resolve IPv4 addresses\n"
2661 " -6 Resolve IPv6 addresses\n"
2662 " -i --interface=INTERFACE Look on interface\n"
2663 " -p --protocol=PROTO|help Look via protocol\n"
2664 " -t --type=TYPE|help Query RR with DNS type\n"
2665 " -c --class=CLASS|help Query RR with DNS class\n"
2666 " --service-address=BOOL Resolve address for services (default: yes)\n"
2667 " --service-txt=BOOL Resolve TXT records for services (default: yes)\n"
2668 " --cname=BOOL Follow CNAME redirects (default: yes)\n"
2669 " --validate=BOOL Allow DNSSEC validation (default: yes)\n"
2670 " --synthesize=BOOL Allow synthetic response (default: yes)\n"
2671 " --cache=BOOL Allow response from cache (default: yes)\n"
2672 " --zone=BOOL Allow response from locally registered mDNS/LLMNR\n"
2673 " records (default: yes)\n"
2674 " --trust-anchor=BOOL Allow response from local trust anchor (default: yes)\n"
2675 " --network=BOOL Allow response from network (default: yes)\n"
2676 " --search=BOOL Use search domains for single-label names (default: yes)\n"
2677 " --raw[=payload|packet] Dump the answer as binary data\n"
2678 " --legend=BOOL Print headers and additional info (default: yes)\n"
2679 "\nSee the %s for details.\n",
2680 program_invocation_short_name,
2681 ansi_highlight(),
2682 ansi_normal(),
2683 ansi_highlight(),
2684 ansi_normal(),
2685 link);
2686
2687 return 0;
2688 }
2689
2690 static int verb_help(int argc, char **argv, void *userdata) {
2691 return native_help();
2692 }
2693
2694 static int compat_parse_argv(int argc, char *argv[]) {
2695 enum {
2696 ARG_VERSION = 0x100,
2697 ARG_LEGEND,
2698 ARG_SERVICE,
2699 ARG_CNAME,
2700 ARG_SERVICE_ADDRESS,
2701 ARG_SERVICE_TXT,
2702 ARG_OPENPGP,
2703 ARG_TLSA,
2704 ARG_RAW,
2705 ARG_SEARCH,
2706 ARG_STATISTICS,
2707 ARG_RESET_STATISTICS,
2708 ARG_STATUS,
2709 ARG_FLUSH_CACHES,
2710 ARG_RESET_SERVER_FEATURES,
2711 ARG_NO_PAGER,
2712 ARG_SET_DNS,
2713 ARG_SET_DOMAIN,
2714 ARG_SET_LLMNR,
2715 ARG_SET_MDNS,
2716 ARG_SET_PRIVATE,
2717 ARG_SET_DNSSEC,
2718 ARG_SET_NTA,
2719 ARG_REVERT_LINK,
2720 };
2721
2722 static const struct option options[] = {
2723 { "help", no_argument, NULL, 'h' },
2724 { "version", no_argument, NULL, ARG_VERSION },
2725 { "type", required_argument, NULL, 't' },
2726 { "class", required_argument, NULL, 'c' },
2727 { "legend", required_argument, NULL, ARG_LEGEND },
2728 { "interface", required_argument, NULL, 'i' },
2729 { "protocol", required_argument, NULL, 'p' },
2730 { "cname", required_argument, NULL, ARG_CNAME },
2731 { "service", no_argument, NULL, ARG_SERVICE },
2732 { "service-address", required_argument, NULL, ARG_SERVICE_ADDRESS },
2733 { "service-txt", required_argument, NULL, ARG_SERVICE_TXT },
2734 { "openpgp", no_argument, NULL, ARG_OPENPGP },
2735 { "tlsa", optional_argument, NULL, ARG_TLSA },
2736 { "raw", optional_argument, NULL, ARG_RAW },
2737 { "search", required_argument, NULL, ARG_SEARCH },
2738 { "statistics", no_argument, NULL, ARG_STATISTICS, },
2739 { "reset-statistics", no_argument, NULL, ARG_RESET_STATISTICS },
2740 { "status", no_argument, NULL, ARG_STATUS },
2741 { "flush-caches", no_argument, NULL, ARG_FLUSH_CACHES },
2742 { "reset-server-features", no_argument, NULL, ARG_RESET_SERVER_FEATURES },
2743 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
2744 { "set-dns", required_argument, NULL, ARG_SET_DNS },
2745 { "set-domain", required_argument, NULL, ARG_SET_DOMAIN },
2746 { "set-llmnr", required_argument, NULL, ARG_SET_LLMNR },
2747 { "set-mdns", required_argument, NULL, ARG_SET_MDNS },
2748 { "set-dnsovertls", required_argument, NULL, ARG_SET_PRIVATE },
2749 { "set-dnssec", required_argument, NULL, ARG_SET_DNSSEC },
2750 { "set-nta", required_argument, NULL, ARG_SET_NTA },
2751 { "revert", no_argument, NULL, ARG_REVERT_LINK },
2752 {}
2753 };
2754
2755 int c, r;
2756
2757 assert(argc >= 0);
2758 assert(argv);
2759
2760 while ((c = getopt_long(argc, argv, "h46i:t:c:p:", options, NULL)) >= 0)
2761 switch(c) {
2762
2763 case 'h':
2764 return compat_help();
2765
2766 case ARG_VERSION:
2767 return version();
2768
2769 case '4':
2770 arg_family = AF_INET;
2771 break;
2772
2773 case '6':
2774 arg_family = AF_INET6;
2775 break;
2776
2777 case 'i':
2778 r = ifname_mangle(optarg);
2779 if (r < 0)
2780 return r;
2781 break;
2782
2783 case 't':
2784 if (streq(optarg, "help")) {
2785 help_dns_types();
2786 return 0;
2787 }
2788
2789 r = dns_type_from_string(optarg);
2790 if (r < 0)
2791 return log_error_errno(r, "Failed to parse RR record type %s: %m", optarg);
2792
2793 arg_type = (uint16_t) r;
2794 assert((int) arg_type == r);
2795
2796 arg_mode = MODE_RESOLVE_RECORD;
2797 break;
2798
2799 case 'c':
2800 if (streq(optarg, "help")) {
2801 help_dns_classes();
2802 return 0;
2803 }
2804
2805 r = dns_class_from_string(optarg);
2806 if (r < 0)
2807 return log_error_errno(r, "Failed to parse RR record class %s: %m", optarg);
2808
2809 arg_class = (uint16_t) r;
2810 assert((int) arg_class == r);
2811
2812 break;
2813
2814 case ARG_LEGEND:
2815 r = parse_boolean_argument("--legend=", optarg, &arg_legend);
2816 if (r < 0)
2817 return r;
2818 break;
2819
2820 case 'p':
2821 if (streq(optarg, "help")) {
2822 help_protocol_types();
2823 return 0;
2824 } else if (streq(optarg, "dns"))
2825 arg_flags |= SD_RESOLVED_DNS;
2826 else if (streq(optarg, "llmnr"))
2827 arg_flags |= SD_RESOLVED_LLMNR;
2828 else if (streq(optarg, "llmnr-ipv4"))
2829 arg_flags |= SD_RESOLVED_LLMNR_IPV4;
2830 else if (streq(optarg, "llmnr-ipv6"))
2831 arg_flags |= SD_RESOLVED_LLMNR_IPV6;
2832 else if (streq(optarg, "mdns"))
2833 arg_flags |= SD_RESOLVED_MDNS;
2834 else if (streq(optarg, "mdns-ipv4"))
2835 arg_flags |= SD_RESOLVED_MDNS_IPV4;
2836 else if (streq(optarg, "mdns-ipv6"))
2837 arg_flags |= SD_RESOLVED_MDNS_IPV6;
2838 else
2839 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2840 "Unknown protocol specifier: %s", optarg);
2841
2842 break;
2843
2844 case ARG_SERVICE:
2845 arg_mode = MODE_RESOLVE_SERVICE;
2846 break;
2847
2848 case ARG_OPENPGP:
2849 arg_mode = MODE_RESOLVE_OPENPGP;
2850 break;
2851
2852 case ARG_TLSA:
2853 arg_mode = MODE_RESOLVE_TLSA;
2854 if (!optarg || service_family_is_valid(optarg))
2855 arg_service_family = optarg;
2856 else
2857 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2858 "Unknown service family \"%s\".", optarg);
2859 break;
2860
2861 case ARG_RAW:
2862 if (on_tty())
2863 return log_error_errno(SYNTHETIC_ERRNO(ENOTTY),
2864 "Refusing to write binary data to tty.");
2865
2866 if (optarg == NULL || streq(optarg, "payload"))
2867 arg_raw = RAW_PAYLOAD;
2868 else if (streq(optarg, "packet"))
2869 arg_raw = RAW_PACKET;
2870 else
2871 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2872 "Unknown --raw specifier \"%s\".",
2873 optarg);
2874
2875 arg_legend = false;
2876 break;
2877
2878 case ARG_CNAME:
2879 r = parse_boolean_argument("--cname=", optarg, NULL);
2880 if (r < 0)
2881 return r;
2882 SET_FLAG(arg_flags, SD_RESOLVED_NO_CNAME, r == 0);
2883 break;
2884
2885 case ARG_SERVICE_ADDRESS:
2886 r = parse_boolean_argument("--service-address=", optarg, NULL);
2887 if (r < 0)
2888 return r;
2889 SET_FLAG(arg_flags, SD_RESOLVED_NO_ADDRESS, r == 0);
2890 break;
2891
2892 case ARG_SERVICE_TXT:
2893 r = parse_boolean_argument("--service-txt=", optarg, NULL);
2894 if (r < 0)
2895 return r;
2896 SET_FLAG(arg_flags, SD_RESOLVED_NO_TXT, r == 0);
2897 break;
2898
2899 case ARG_SEARCH:
2900 r = parse_boolean_argument("--search=", optarg, NULL);
2901 if (r < 0)
2902 return r;
2903 SET_FLAG(arg_flags, SD_RESOLVED_NO_SEARCH, r == 0);
2904 break;
2905
2906 case ARG_STATISTICS:
2907 arg_mode = MODE_STATISTICS;
2908 break;
2909
2910 case ARG_RESET_STATISTICS:
2911 arg_mode = MODE_RESET_STATISTICS;
2912 break;
2913
2914 case ARG_FLUSH_CACHES:
2915 arg_mode = MODE_FLUSH_CACHES;
2916 break;
2917
2918 case ARG_RESET_SERVER_FEATURES:
2919 arg_mode = MODE_RESET_SERVER_FEATURES;
2920 break;
2921
2922 case ARG_STATUS:
2923 arg_mode = MODE_STATUS;
2924 break;
2925
2926 case ARG_NO_PAGER:
2927 arg_pager_flags |= PAGER_DISABLE;
2928 break;
2929
2930 case ARG_SET_DNS:
2931 r = strv_extend(&arg_set_dns, optarg);
2932 if (r < 0)
2933 return log_oom();
2934
2935 arg_mode = MODE_SET_LINK;
2936 break;
2937
2938 case ARG_SET_DOMAIN:
2939 r = strv_extend(&arg_set_domain, optarg);
2940 if (r < 0)
2941 return log_oom();
2942
2943 arg_mode = MODE_SET_LINK;
2944 break;
2945
2946 case ARG_SET_LLMNR:
2947 arg_set_llmnr = optarg;
2948 arg_mode = MODE_SET_LINK;
2949 break;
2950
2951 case ARG_SET_MDNS:
2952 arg_set_mdns = optarg;
2953 arg_mode = MODE_SET_LINK;
2954 break;
2955
2956 case ARG_SET_PRIVATE:
2957 arg_set_dns_over_tls = optarg;
2958 arg_mode = MODE_SET_LINK;
2959 break;
2960
2961 case ARG_SET_DNSSEC:
2962 arg_set_dnssec = optarg;
2963 arg_mode = MODE_SET_LINK;
2964 break;
2965
2966 case ARG_SET_NTA:
2967 r = strv_extend(&arg_set_nta, optarg);
2968 if (r < 0)
2969 return log_oom();
2970
2971 arg_mode = MODE_SET_LINK;
2972 break;
2973
2974 case ARG_REVERT_LINK:
2975 arg_mode = MODE_REVERT_LINK;
2976 break;
2977
2978 case '?':
2979 return -EINVAL;
2980
2981 default:
2982 assert_not_reached("Unhandled option");
2983 }
2984
2985 if (arg_type == 0 && arg_class != 0)
2986 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2987 "--class= may only be used in conjunction with --type=.");
2988
2989 if (arg_type != 0 && arg_mode == MODE_RESOLVE_SERVICE)
2990 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2991 "--service and --type= may not be combined.");
2992
2993 if (arg_type != 0 && arg_class == 0)
2994 arg_class = DNS_CLASS_IN;
2995
2996 if (arg_class != 0 && arg_type == 0)
2997 arg_type = DNS_TYPE_A;
2998
2999 if (IN_SET(arg_mode, MODE_SET_LINK, MODE_REVERT_LINK)) {
3000
3001 if (arg_ifindex <= 0)
3002 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3003 "--set-dns=, --set-domain=, --set-llmnr=, --set-mdns=, --set-dnsovertls=, --set-dnssec=, --set-nta= and --revert require --interface=.");
3004 }
3005
3006 return 1 /* work to do */;
3007 }
3008
3009 static int native_parse_argv(int argc, char *argv[]) {
3010 enum {
3011 ARG_VERSION = 0x100,
3012 ARG_LEGEND,
3013 ARG_CNAME,
3014 ARG_VALIDATE,
3015 ARG_SYNTHESIZE,
3016 ARG_CACHE,
3017 ARG_ZONE,
3018 ARG_TRUST_ANCHOR,
3019 ARG_NETWORK,
3020 ARG_SERVICE_ADDRESS,
3021 ARG_SERVICE_TXT,
3022 ARG_RAW,
3023 ARG_SEARCH,
3024 ARG_NO_PAGER,
3025 };
3026
3027 static const struct option options[] = {
3028 { "help", no_argument, NULL, 'h' },
3029 { "version", no_argument, NULL, ARG_VERSION },
3030 { "type", required_argument, NULL, 't' },
3031 { "class", required_argument, NULL, 'c' },
3032 { "legend", required_argument, NULL, ARG_LEGEND },
3033 { "interface", required_argument, NULL, 'i' },
3034 { "protocol", required_argument, NULL, 'p' },
3035 { "cname", required_argument, NULL, ARG_CNAME },
3036 { "validate", required_argument, NULL, ARG_VALIDATE },
3037 { "synthesize", required_argument, NULL, ARG_SYNTHESIZE },
3038 { "cache", required_argument, NULL, ARG_CACHE },
3039 { "zone", required_argument, NULL, ARG_ZONE },
3040 { "trust-anchor", required_argument, NULL, ARG_TRUST_ANCHOR },
3041 { "network", required_argument, NULL, ARG_NETWORK },
3042 { "service-address", required_argument, NULL, ARG_SERVICE_ADDRESS },
3043 { "service-txt", required_argument, NULL, ARG_SERVICE_TXT },
3044 { "raw", optional_argument, NULL, ARG_RAW },
3045 { "search", required_argument, NULL, ARG_SEARCH },
3046 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
3047 {}
3048 };
3049
3050 int c, r;
3051
3052 assert(argc >= 0);
3053 assert(argv);
3054
3055 while ((c = getopt_long(argc, argv, "h46i:t:c:p:", options, NULL)) >= 0)
3056 switch(c) {
3057
3058 case 'h':
3059 return native_help();
3060
3061 case ARG_VERSION:
3062 return version();
3063
3064 case '4':
3065 arg_family = AF_INET;
3066 break;
3067
3068 case '6':
3069 arg_family = AF_INET6;
3070 break;
3071
3072 case 'i':
3073 r = ifname_mangle(optarg);
3074 if (r < 0)
3075 return r;
3076 break;
3077
3078 case 't':
3079 if (streq(optarg, "help")) {
3080 help_dns_types();
3081 return 0;
3082 }
3083
3084 r = dns_type_from_string(optarg);
3085 if (r < 0)
3086 return log_error_errno(r, "Failed to parse RR record type %s: %m", optarg);
3087
3088 arg_type = (uint16_t) r;
3089 assert((int) arg_type == r);
3090
3091 break;
3092
3093 case 'c':
3094 if (streq(optarg, "help")) {
3095 help_dns_classes();
3096 return 0;
3097 }
3098
3099 r = dns_class_from_string(optarg);
3100 if (r < 0)
3101 return log_error_errno(r, "Failed to parse RR record class %s: %m", optarg);
3102
3103 arg_class = (uint16_t) r;
3104 assert((int) arg_class == r);
3105
3106 break;
3107
3108 case ARG_LEGEND:
3109 r = parse_boolean_argument("--legend=", optarg, &arg_legend);
3110 if (r < 0)
3111 return r;
3112 break;
3113
3114 case 'p':
3115 if (streq(optarg, "help")) {
3116 help_protocol_types();
3117 return 0;
3118 } else if (streq(optarg, "dns"))
3119 arg_flags |= SD_RESOLVED_DNS;
3120 else if (streq(optarg, "llmnr"))
3121 arg_flags |= SD_RESOLVED_LLMNR;
3122 else if (streq(optarg, "llmnr-ipv4"))
3123 arg_flags |= SD_RESOLVED_LLMNR_IPV4;
3124 else if (streq(optarg, "llmnr-ipv6"))
3125 arg_flags |= SD_RESOLVED_LLMNR_IPV6;
3126 else if (streq(optarg, "mdns"))
3127 arg_flags |= SD_RESOLVED_MDNS;
3128 else if (streq(optarg, "mdns-ipv4"))
3129 arg_flags |= SD_RESOLVED_MDNS_IPV4;
3130 else if (streq(optarg, "mdns-ipv6"))
3131 arg_flags |= SD_RESOLVED_MDNS_IPV6;
3132 else
3133 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3134 "Unknown protocol specifier: %s",
3135 optarg);
3136
3137 break;
3138
3139 case ARG_RAW:
3140 if (on_tty())
3141 return log_error_errno(SYNTHETIC_ERRNO(ENOTTY),
3142 "Refusing to write binary data to tty.");
3143
3144 if (optarg == NULL || streq(optarg, "payload"))
3145 arg_raw = RAW_PAYLOAD;
3146 else if (streq(optarg, "packet"))
3147 arg_raw = RAW_PACKET;
3148 else
3149 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3150 "Unknown --raw specifier \"%s\".",
3151 optarg);
3152
3153 arg_legend = false;
3154 break;
3155
3156 case ARG_CNAME:
3157 r = parse_boolean_argument("--cname=", optarg, NULL);
3158 if (r < 0)
3159 return r;
3160 SET_FLAG(arg_flags, SD_RESOLVED_NO_CNAME, r == 0);
3161 break;
3162
3163 case ARG_VALIDATE:
3164 r = parse_boolean_argument("--validate=", optarg, NULL);
3165 if (r < 0)
3166 return r;
3167 SET_FLAG(arg_flags, SD_RESOLVED_NO_VALIDATE, r == 0);
3168 break;
3169
3170 case ARG_SYNTHESIZE:
3171 r = parse_boolean_argument("--synthesize=", optarg, NULL);
3172 if (r < 0)
3173 return r;
3174 SET_FLAG(arg_flags, SD_RESOLVED_NO_SYNTHESIZE, r == 0);
3175 break;
3176
3177 case ARG_CACHE:
3178 r = parse_boolean_argument("--cache=", optarg, NULL);
3179 if (r < 0)
3180 return r;
3181 SET_FLAG(arg_flags, SD_RESOLVED_NO_CACHE, r == 0);
3182 break;
3183
3184 case ARG_ZONE:
3185 r = parse_boolean_argument("--zone=", optarg, NULL);
3186 if (r < 0)
3187 return r;
3188 SET_FLAG(arg_flags, SD_RESOLVED_NO_ZONE, r == 0);
3189 break;
3190
3191 case ARG_TRUST_ANCHOR:
3192 r = parse_boolean_argument("--trust-anchor=", optarg, NULL);
3193 if (r < 0)
3194 return r;
3195 SET_FLAG(arg_flags, SD_RESOLVED_NO_TRUST_ANCHOR, r == 0);
3196 break;
3197
3198 case ARG_NETWORK:
3199 r = parse_boolean_argument("--network=", optarg, NULL);
3200 if (r < 0)
3201 return r;
3202 SET_FLAG(arg_flags, SD_RESOLVED_NO_NETWORK, r == 0);
3203 break;
3204
3205 case ARG_SERVICE_ADDRESS:
3206 r = parse_boolean_argument("--service-address=", optarg, NULL);
3207 if (r < 0)
3208 return r;
3209 SET_FLAG(arg_flags, SD_RESOLVED_NO_ADDRESS, r == 0);
3210 break;
3211
3212 case ARG_SERVICE_TXT:
3213 r = parse_boolean_argument("--service-txt=", optarg, NULL);
3214 if (r < 0)
3215 return r;
3216 SET_FLAG(arg_flags, SD_RESOLVED_NO_TXT, r == 0);
3217 break;
3218
3219 case ARG_SEARCH:
3220 r = parse_boolean_argument("--search=", optarg, NULL);
3221 if (r < 0)
3222 return r;
3223 SET_FLAG(arg_flags, SD_RESOLVED_NO_SEARCH, r == 0);
3224 break;
3225
3226 case ARG_NO_PAGER:
3227 arg_pager_flags |= PAGER_DISABLE;
3228 break;
3229
3230 case '?':
3231 return -EINVAL;
3232
3233 default:
3234 assert_not_reached("Unhandled option");
3235 }
3236
3237 if (arg_type == 0 && arg_class != 0)
3238 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3239 "--class= may only be used in conjunction with --type=.");
3240
3241 if (arg_type != 0 && arg_class == 0)
3242 arg_class = DNS_CLASS_IN;
3243
3244 if (arg_class != 0 && arg_type == 0)
3245 arg_type = DNS_TYPE_A;
3246
3247 return 1 /* work to do */;
3248 }
3249
3250 static int native_main(int argc, char *argv[], sd_bus *bus) {
3251
3252 static const Verb verbs[] = {
3253 { "help", VERB_ANY, VERB_ANY, 0, verb_help },
3254 { "status", VERB_ANY, VERB_ANY, VERB_DEFAULT, verb_status },
3255 { "query", 2, VERB_ANY, 0, verb_query },
3256 { "service", 2, 4, 0, verb_service },
3257 { "openpgp", 2, VERB_ANY, 0, verb_openpgp },
3258 { "tlsa", 2, VERB_ANY, 0, verb_tlsa },
3259 { "statistics", VERB_ANY, 1, 0, show_statistics },
3260 { "reset-statistics", VERB_ANY, 1, 0, reset_statistics },
3261 { "flush-caches", VERB_ANY, 1, 0, flush_caches },
3262 { "reset-server-features", VERB_ANY, 1, 0, reset_server_features },
3263 { "dns", VERB_ANY, VERB_ANY, 0, verb_dns },
3264 { "domain", VERB_ANY, VERB_ANY, 0, verb_domain },
3265 { "default-route", VERB_ANY, 3, 0, verb_default_route },
3266 { "llmnr", VERB_ANY, 3, 0, verb_llmnr },
3267 { "mdns", VERB_ANY, 3, 0, verb_mdns },
3268 { "dnsovertls", VERB_ANY, 3, 0, verb_dns_over_tls },
3269 { "dnssec", VERB_ANY, 3, 0, verb_dnssec },
3270 { "nta", VERB_ANY, VERB_ANY, 0, verb_nta },
3271 { "revert", VERB_ANY, 2, 0, verb_revert_link },
3272 { "log-level", VERB_ANY, 2, 0, verb_log_level },
3273 {}
3274 };
3275
3276 return dispatch_verb(argc, argv, verbs, bus);
3277 }
3278
3279 static int translate(const char *verb, const char *single_arg, size_t num_args, char **args, sd_bus *bus) {
3280 char **fake, **p;
3281 size_t num;
3282
3283 assert(verb);
3284 assert(num_args == 0 || args);
3285
3286 num = !!single_arg + num_args + 1;
3287
3288 p = fake = newa0(char *, num + 1);
3289 *p++ = (char *) verb;
3290 if (single_arg)
3291 *p++ = (char *) single_arg;
3292 for (size_t i = 0; i < num_args; i++)
3293 *p++ = args[i];
3294
3295 optind = 0;
3296 return native_main((int) num, fake, bus);
3297 }
3298
3299 static int compat_main(int argc, char *argv[], sd_bus *bus) {
3300 int r = 0;
3301
3302 switch (arg_mode) {
3303 case MODE_RESOLVE_HOST:
3304 case MODE_RESOLVE_RECORD:
3305 return translate("query", NULL, argc - optind, argv + optind, bus);
3306
3307 case MODE_RESOLVE_SERVICE:
3308 return translate("service", NULL, argc - optind, argv + optind, bus);
3309
3310 case MODE_RESOLVE_OPENPGP:
3311 return translate("openpgp", NULL, argc - optind, argv + optind, bus);
3312
3313 case MODE_RESOLVE_TLSA:
3314 return translate("tlsa", arg_service_family, argc - optind, argv + optind, bus);
3315
3316 case MODE_STATISTICS:
3317 return translate("statistics", NULL, 0, NULL, bus);
3318
3319 case MODE_RESET_STATISTICS:
3320 return translate("reset-statistics", NULL, 0, NULL, bus);
3321
3322 case MODE_FLUSH_CACHES:
3323 return translate("flush-caches", NULL, 0, NULL, bus);
3324
3325 case MODE_RESET_SERVER_FEATURES:
3326 return translate("reset-server-features", NULL, 0, NULL, bus);
3327
3328 case MODE_STATUS:
3329 return translate("status", NULL, argc - optind, argv + optind, bus);
3330
3331 case MODE_SET_LINK:
3332 assert(arg_ifname);
3333
3334 if (arg_set_dns) {
3335 r = translate("dns", arg_ifname, strv_length(arg_set_dns), arg_set_dns, bus);
3336 if (r < 0)
3337 return r;
3338 }
3339
3340 if (arg_set_domain) {
3341 r = translate("domain", arg_ifname, strv_length(arg_set_domain), arg_set_domain, bus);
3342 if (r < 0)
3343 return r;
3344 }
3345
3346 if (arg_set_nta) {
3347 r = translate("nta", arg_ifname, strv_length(arg_set_nta), arg_set_nta, bus);
3348 if (r < 0)
3349 return r;
3350 }
3351
3352 if (arg_set_llmnr) {
3353 r = translate("llmnr", arg_ifname, 1, (char **) &arg_set_llmnr, bus);
3354 if (r < 0)
3355 return r;
3356 }
3357
3358 if (arg_set_mdns) {
3359 r = translate("mdns", arg_ifname, 1, (char **) &arg_set_mdns, bus);
3360 if (r < 0)
3361 return r;
3362 }
3363
3364 if (arg_set_dns_over_tls) {
3365 r = translate("dnsovertls", arg_ifname, 1, (char **) &arg_set_dns_over_tls, bus);
3366 if (r < 0)
3367 return r;
3368 }
3369
3370 if (arg_set_dnssec) {
3371 r = translate("dnssec", arg_ifname, 1, (char **) &arg_set_dnssec, bus);
3372 if (r < 0)
3373 return r;
3374 }
3375
3376 return r;
3377
3378 case MODE_REVERT_LINK:
3379 assert(arg_ifname);
3380
3381 return translate("revert", arg_ifname, 0, NULL, bus);
3382
3383 case _MODE_INVALID:
3384 assert_not_reached("invalid mode");
3385 }
3386
3387 return 0;
3388 }
3389
3390 static int run(int argc, char **argv) {
3391 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
3392 int r;
3393
3394 setlocale(LC_ALL, "");
3395 log_setup();
3396
3397 if (streq(program_invocation_short_name, "resolvconf"))
3398 r = resolvconf_parse_argv(argc, argv);
3399 else if (streq(program_invocation_short_name, "systemd-resolve"))
3400 r = compat_parse_argv(argc, argv);
3401 else
3402 r = native_parse_argv(argc, argv);
3403 if (r <= 0)
3404 return r;
3405
3406 r = sd_bus_open_system(&bus);
3407 if (r < 0)
3408 return log_error_errno(r, "sd_bus_open_system: %m");
3409
3410 if (STR_IN_SET(program_invocation_short_name, "systemd-resolve", "resolvconf"))
3411 return compat_main(argc, argv, bus);
3412
3413 return native_main(argc, argv, bus);
3414 }
3415
3416 DEFINE_MAIN_FUNCTION(run);
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