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sd-boot+bootctl: invert order of entries w/o sort-key
[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 "hostname-util.h"
23 #include "main-func.h"
24 #include "missing_network.h"
25 #include "netlink-util.h"
26 #include "openssl-util.h"
27 #include "pager.h"
28 #include "parse-argument.h"
29 #include "parse-util.h"
30 #include "pretty-print.h"
31 #include "process-util.h"
32 #include "resolvconf-compat.h"
33 #include "resolvectl.h"
34 #include "resolved-def.h"
35 #include "resolved-dns-packet.h"
36 #include "resolved-util.h"
37 #include "socket-netlink.h"
38 #include "sort-util.h"
39 #include "stdio-util.h"
40 #include "string-table.h"
41 #include "strv.h"
42 #include "terminal-util.h"
43 #include "utf8.h"
44 #include "verb-log-control.h"
45 #include "verbs.h"
46
47 static int arg_family = AF_UNSPEC;
48 static int arg_ifindex = 0;
49 static char *arg_ifname = NULL;
50 static uint16_t arg_type = 0;
51 static uint16_t arg_class = 0;
52 static bool arg_legend = true;
53 static uint64_t arg_flags = 0;
54 static PagerFlags arg_pager_flags = 0;
55 bool arg_ifindex_permissive = false; /* If true, don't generate an error if the specified interface index doesn't exist */
56 static const char *arg_service_family = NULL;
57
58 typedef enum RawType {
59 RAW_NONE,
60 RAW_PAYLOAD,
61 RAW_PACKET,
62 } RawType;
63 static RawType arg_raw = RAW_NONE;
64
65 ExecutionMode arg_mode = MODE_RESOLVE_HOST;
66
67 char **arg_set_dns = NULL;
68 char **arg_set_domain = NULL;
69 static const char *arg_set_llmnr = NULL;
70 static const char *arg_set_mdns = NULL;
71 static const char *arg_set_dns_over_tls = NULL;
72 static const char *arg_set_dnssec = NULL;
73 static char **arg_set_nta = NULL;
74
75 STATIC_DESTRUCTOR_REGISTER(arg_ifname, freep);
76 STATIC_DESTRUCTOR_REGISTER(arg_set_dns, strv_freep);
77 STATIC_DESTRUCTOR_REGISTER(arg_set_domain, strv_freep);
78 STATIC_DESTRUCTOR_REGISTER(arg_set_nta, strv_freep);
79
80 typedef enum StatusMode {
81 STATUS_ALL,
82 STATUS_DNS,
83 STATUS_DOMAIN,
84 STATUS_DEFAULT_ROUTE,
85 STATUS_LLMNR,
86 STATUS_MDNS,
87 STATUS_PRIVATE,
88 STATUS_DNSSEC,
89 STATUS_NTA,
90 } StatusMode;
91
92 typedef struct InterfaceInfo {
93 int index;
94 const char *name;
95 } InterfaceInfo;
96
97 static int interface_info_compare(const InterfaceInfo *a, const InterfaceInfo *b) {
98 int r;
99
100 r = CMP(a->index, b->index);
101 if (r != 0)
102 return r;
103
104 return strcmp_ptr(a->name, b->name);
105 }
106
107 int ifname_mangle(const char *s) {
108 _cleanup_free_ char *iface = NULL;
109 int ifi;
110
111 assert(s);
112
113 iface = strdup(s);
114 if (!iface)
115 return log_oom();
116
117 ifi = rtnl_resolve_interface(NULL, iface);
118 if (ifi < 0) {
119 if (ifi == -ENODEV && arg_ifindex_permissive) {
120 log_debug("Interface '%s' not found, but -f specified, ignoring.", iface);
121 return 0; /* done */
122 }
123
124 return log_error_errno(ifi, "Failed to resolve interface \"%s\": %m", iface);
125 }
126
127 if (arg_ifindex > 0 && arg_ifindex != ifi)
128 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Specified multiple different interfaces. Refusing.");
129
130 arg_ifindex = ifi;
131 free_and_replace(arg_ifname, iface);
132
133 return 1;
134 }
135
136 int ifname_resolvconf_mangle(const char *s) {
137 const char *dot;
138
139 assert(s);
140
141 dot = strchr(s, '.');
142 if (dot) {
143 _cleanup_free_ char *iface = NULL;
144
145 log_debug("Ignoring protocol specifier '%s'.", dot + 1);
146 iface = strndup(s, dot - s);
147 if (!iface)
148 return log_oom();
149 return ifname_mangle(iface);
150 } else
151 return ifname_mangle(s);
152 }
153
154 static void print_source(uint64_t flags, usec_t rtt) {
155 if (!arg_legend)
156 return;
157
158 if (flags == 0)
159 return;
160
161 printf("\n%s-- Information acquired via", ansi_grey());
162
163 printf(" protocol%s%s%s%s%s",
164 flags & SD_RESOLVED_DNS ? " DNS" :"",
165 flags & SD_RESOLVED_LLMNR_IPV4 ? " LLMNR/IPv4" : "",
166 flags & SD_RESOLVED_LLMNR_IPV6 ? " LLMNR/IPv6" : "",
167 flags & SD_RESOLVED_MDNS_IPV4 ? " mDNS/IPv4" : "",
168 flags & SD_RESOLVED_MDNS_IPV6 ? " mDNS/IPv6" : "");
169
170 printf(" in %s.%s\n"
171 "%s-- Data is authenticated: %s; Data was acquired via local or encrypted transport: %s%s\n",
172 FORMAT_TIMESPAN(rtt, 100),
173 ansi_normal(),
174 ansi_grey(),
175 yes_no(flags & SD_RESOLVED_AUTHENTICATED),
176 yes_no(flags & SD_RESOLVED_CONFIDENTIAL),
177 ansi_normal());
178
179 if ((flags & (SD_RESOLVED_FROM_MASK|SD_RESOLVED_SYNTHETIC)) != 0)
180 printf("%s-- Data from:%s%s%s%s%s%s\n",
181 ansi_grey(),
182 FLAGS_SET(flags, SD_RESOLVED_SYNTHETIC) ? " synthetic" : "",
183 FLAGS_SET(flags, SD_RESOLVED_FROM_CACHE) ? " cache" : "",
184 FLAGS_SET(flags, SD_RESOLVED_FROM_ZONE) ? " zone" : "",
185 FLAGS_SET(flags, SD_RESOLVED_FROM_TRUST_ANCHOR) ? " trust-anchor" : "",
186 FLAGS_SET(flags, SD_RESOLVED_FROM_NETWORK) ? " network" : "",
187 ansi_normal());
188 }
189
190 static void print_ifindex_comment(int printed_so_far, int ifindex) {
191 char ifname[IF_NAMESIZE];
192 int r;
193
194 if (ifindex <= 0)
195 return;
196
197 r = format_ifname(ifindex, ifname);
198 if (r < 0)
199 return (void) log_warning_errno(r, "Failed to resolve interface name for index %i, ignoring: %m", ifindex);
200
201 printf("%*s%s-- link: %s%s",
202 60 > printed_so_far ? 60 - printed_so_far : 0, " ", /* Align comment to the 60th column */
203 ansi_grey(), ifname, ansi_normal());
204 }
205
206 static int resolve_host(sd_bus *bus, const char *name) {
207 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL, *reply = NULL;
208 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
209 const char *canonical = NULL;
210 unsigned c = 0;
211 uint64_t flags;
212 usec_t ts;
213 int r;
214
215 assert(name);
216
217 log_debug("Resolving %s (family %s, interface %s).", name, af_to_name(arg_family) ?: "*", isempty(arg_ifname) ? "*" : arg_ifname);
218
219 r = bus_message_new_method_call(bus, &req, bus_resolve_mgr, "ResolveHostname");
220 if (r < 0)
221 return bus_log_create_error(r);
222
223 r = sd_bus_message_append(req, "isit", arg_ifindex, name, arg_family, arg_flags);
224 if (r < 0)
225 return bus_log_create_error(r);
226
227 ts = now(CLOCK_MONOTONIC);
228
229 r = sd_bus_call(bus, req, SD_RESOLVED_QUERY_TIMEOUT_USEC, &error, &reply);
230 if (r < 0)
231 return log_error_errno(r, "%s: resolve call failed: %s", name, bus_error_message(&error, r));
232
233 ts = now(CLOCK_MONOTONIC) - ts;
234
235 r = sd_bus_message_enter_container(reply, 'a', "(iiay)");
236 if (r < 0)
237 return bus_log_parse_error(r);
238
239 while ((r = sd_bus_message_enter_container(reply, 'r', "iiay")) > 0) {
240 _cleanup_free_ char *pretty = NULL;
241 int ifindex, family, k;
242 union in_addr_union a;
243
244 assert_cc(sizeof(int) == sizeof(int32_t));
245
246 r = sd_bus_message_read(reply, "i", &ifindex);
247 if (r < 0)
248 return bus_log_parse_error(r);
249
250 sd_bus_error_free(&error);
251 r = bus_message_read_in_addr_auto(reply, &error, &family, &a);
252 if (r < 0 && !sd_bus_error_has_name(&error, SD_BUS_ERROR_INVALID_ARGS))
253 return log_error_errno(r, "%s: systemd-resolved returned invalid result: %s", name, bus_error_message(&error, r));
254
255 r = sd_bus_message_exit_container(reply);
256 if (r < 0)
257 return bus_log_parse_error(r);
258
259 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_INVALID_ARGS)) {
260 log_debug_errno(r, "%s: systemd-resolved returned invalid result, ignoring: %s", name, bus_error_message(&error, r));
261 continue;
262 }
263
264 r = in_addr_ifindex_to_string(family, &a, ifindex, &pretty);
265 if (r < 0)
266 return log_error_errno(r, "Failed to print address for %s: %m", name);
267
268 k = printf("%*s%s %s%s%s",
269 (int) strlen(name), c == 0 ? name : "", c == 0 ? ":" : " ",
270 ansi_highlight(), pretty, ansi_normal());
271
272 print_ifindex_comment(k, ifindex);
273 fputc('\n', stdout);
274
275 c++;
276 }
277 if (r < 0)
278 return bus_log_parse_error(r);
279
280 r = sd_bus_message_exit_container(reply);
281 if (r < 0)
282 return bus_log_parse_error(r);
283
284 r = sd_bus_message_read(reply, "st", &canonical, &flags);
285 if (r < 0)
286 return bus_log_parse_error(r);
287
288 if (!streq(name, canonical))
289 printf("%*s%s (%s)\n",
290 (int) strlen(name), c == 0 ? name : "", c == 0 ? ":" : " ",
291 canonical);
292
293 if (c == 0)
294 return log_error_errno(SYNTHETIC_ERRNO(ESRCH),
295 "%s: no addresses found", name);
296
297 print_source(flags, ts);
298
299 return 0;
300 }
301
302 static int resolve_address(sd_bus *bus, int family, const union in_addr_union *address, int ifindex) {
303 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL, *reply = NULL;
304 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
305 _cleanup_free_ char *pretty = NULL;
306 uint64_t flags;
307 unsigned c = 0;
308 usec_t ts;
309 int r;
310
311 assert(bus);
312 assert(IN_SET(family, AF_INET, AF_INET6));
313 assert(address);
314
315 if (ifindex <= 0)
316 ifindex = arg_ifindex;
317
318 r = in_addr_ifindex_to_string(family, address, ifindex, &pretty);
319 if (r < 0)
320 return log_oom();
321
322 log_debug("Resolving %s.", pretty);
323
324 r = bus_message_new_method_call(bus, &req, bus_resolve_mgr, "ResolveAddress");
325 if (r < 0)
326 return bus_log_create_error(r);
327
328 r = sd_bus_message_append(req, "ii", ifindex, family);
329 if (r < 0)
330 return bus_log_create_error(r);
331
332 r = sd_bus_message_append_array(req, 'y', address, FAMILY_ADDRESS_SIZE(family));
333 if (r < 0)
334 return bus_log_create_error(r);
335
336 r = sd_bus_message_append(req, "t", arg_flags);
337 if (r < 0)
338 return bus_log_create_error(r);
339
340 ts = now(CLOCK_MONOTONIC);
341
342 r = sd_bus_call(bus, req, SD_RESOLVED_QUERY_TIMEOUT_USEC, &error, &reply);
343 if (r < 0)
344 return log_error_errno(r, "%s: resolve call failed: %s", pretty, bus_error_message(&error, r));
345
346 ts = now(CLOCK_MONOTONIC) - ts;
347
348 r = sd_bus_message_enter_container(reply, 'a', "(is)");
349 if (r < 0)
350 return bus_log_create_error(r);
351
352 while ((r = sd_bus_message_enter_container(reply, 'r', "is")) > 0) {
353 const char *n;
354 int k;
355
356 assert_cc(sizeof(int) == sizeof(int32_t));
357
358 r = sd_bus_message_read(reply, "is", &ifindex, &n);
359 if (r < 0)
360 return r;
361
362 r = sd_bus_message_exit_container(reply);
363 if (r < 0)
364 return r;
365
366 k = printf("%*s%s %s%s%s",
367 (int) strlen(pretty), c == 0 ? pretty : "",
368 c == 0 ? ":" : " ",
369 ansi_highlight(), n, ansi_normal());
370
371 print_ifindex_comment(k, ifindex);
372 fputc('\n', stdout);
373
374 c++;
375 }
376 if (r < 0)
377 return bus_log_parse_error(r);
378
379 r = sd_bus_message_exit_container(reply);
380 if (r < 0)
381 return bus_log_parse_error(r);
382
383 r = sd_bus_message_read(reply, "t", &flags);
384 if (r < 0)
385 return bus_log_parse_error(r);
386
387 if (c == 0)
388 return log_error_errno(SYNTHETIC_ERRNO(ESRCH),
389 "%s: no names found", pretty);
390
391 print_source(flags, ts);
392
393 return 0;
394 }
395
396 static int output_rr_packet(const void *d, size_t l, int ifindex) {
397 _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *rr = NULL;
398 _cleanup_(dns_packet_unrefp) DnsPacket *p = NULL;
399 int r;
400
401 r = dns_packet_new(&p, DNS_PROTOCOL_DNS, 0, DNS_PACKET_SIZE_MAX);
402 if (r < 0)
403 return log_oom();
404
405 p->refuse_compression = true;
406
407 r = dns_packet_append_blob(p, d, l, NULL);
408 if (r < 0)
409 return log_oom();
410
411 r = dns_packet_read_rr(p, &rr, NULL, NULL);
412 if (r < 0)
413 return log_error_errno(r, "Failed to parse RR: %m");
414
415 if (arg_raw == RAW_PAYLOAD) {
416 void *data;
417 ssize_t k;
418
419 k = dns_resource_record_payload(rr, &data);
420 if (k < 0)
421 return log_error_errno(k, "Cannot dump RR: %m");
422 fwrite(data, 1, k, stdout);
423 } else {
424 const char *s;
425 int k;
426
427 s = dns_resource_record_to_string(rr);
428 if (!s)
429 return log_oom();
430
431 k = printf("%s", s);
432 print_ifindex_comment(k, ifindex);
433 fputc('\n', stdout);
434 }
435
436 return 0;
437 }
438
439 static int idna_candidate(const char *name, char **ret) {
440 _cleanup_free_ char *idnafied = NULL;
441 int r;
442
443 assert(name);
444 assert(ret);
445
446 r = dns_name_apply_idna(name, &idnafied);
447 if (r < 0)
448 return log_error_errno(r, "Failed to apply IDNA to name '%s': %m", name);
449 if (r > 0 && !streq(name, idnafied)) {
450 *ret = TAKE_PTR(idnafied);
451 return true;
452 }
453
454 *ret = NULL;
455 return false;
456 }
457
458 static bool single_label_nonsynthetic(const char *name) {
459 _cleanup_free_ char *first_label = NULL;
460 int r;
461
462 if (!dns_name_is_single_label(name))
463 return false;
464
465 if (is_localhost(name) || is_gateway_hostname(name))
466 return false;
467
468 r = resolve_system_hostname(NULL, &first_label);
469 if (r < 0) {
470 log_warning_errno(r, "Failed to determine the hostname: %m");
471 return false;
472 }
473
474 return !streq(name, first_label);
475 }
476
477 static int resolve_record(sd_bus *bus, const char *name, uint16_t class, uint16_t type, bool warn_missing) {
478 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL, *reply = NULL;
479 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
480 _cleanup_free_ char *idnafied = NULL;
481 bool needs_authentication = false;
482 unsigned n = 0;
483 uint64_t flags;
484 usec_t ts;
485 int r;
486
487 assert(name);
488
489 log_debug("Resolving %s %s %s (interface %s).", name, dns_class_to_string(class), dns_type_to_string(type), isempty(arg_ifname) ? "*" : arg_ifname);
490
491 if (dns_name_dot_suffixed(name) == 0 && single_label_nonsynthetic(name))
492 log_notice("(Note that search domains are not appended when --type= is specified. "
493 "Please specify fully qualified domain names, or remove --type= switch from invocation in order to request regular hostname resolution.)");
494
495 r = idna_candidate(name, &idnafied);
496 if (r < 0)
497 return r;
498 if (r > 0)
499 log_notice("(Note that IDNA translation is not applied when --type= is specified. "
500 "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.",
501 idnafied);
502
503 r = bus_message_new_method_call(bus, &req, bus_resolve_mgr, "ResolveRecord");
504 if (r < 0)
505 return bus_log_create_error(r);
506
507 r = sd_bus_message_append(req, "isqqt", arg_ifindex, name, class, type, arg_flags);
508 if (r < 0)
509 return bus_log_create_error(r);
510
511 ts = now(CLOCK_MONOTONIC);
512
513 r = sd_bus_call(bus, req, SD_RESOLVED_QUERY_TIMEOUT_USEC, &error, &reply);
514 if (r < 0) {
515 if (warn_missing || r != -ENXIO)
516 log_error("%s: resolve call failed: %s", name, bus_error_message(&error, r));
517 return r;
518 }
519
520 ts = now(CLOCK_MONOTONIC) - ts;
521
522 r = sd_bus_message_enter_container(reply, 'a', "(iqqay)");
523 if (r < 0)
524 return bus_log_parse_error(r);
525
526 while ((r = sd_bus_message_enter_container(reply, 'r', "iqqay")) > 0) {
527 uint16_t c, t;
528 int ifindex;
529 const void *d;
530 size_t l;
531
532 assert_cc(sizeof(int) == sizeof(int32_t));
533
534 r = sd_bus_message_read(reply, "iqq", &ifindex, &c, &t);
535 if (r < 0)
536 return bus_log_parse_error(r);
537
538 r = sd_bus_message_read_array(reply, 'y', &d, &l);
539 if (r < 0)
540 return bus_log_parse_error(r);
541
542 r = sd_bus_message_exit_container(reply);
543 if (r < 0)
544 return bus_log_parse_error(r);
545
546 if (arg_raw == RAW_PACKET) {
547 uint64_t u64 = htole64(l);
548
549 fwrite(&u64, sizeof(u64), 1, stdout);
550 fwrite(d, 1, l, stdout);
551 } else {
552 r = output_rr_packet(d, l, ifindex);
553 if (r < 0)
554 return r;
555 }
556
557 if (dns_type_needs_authentication(t))
558 needs_authentication = true;
559
560 n++;
561 }
562 if (r < 0)
563 return bus_log_parse_error(r);
564
565 r = sd_bus_message_exit_container(reply);
566 if (r < 0)
567 return bus_log_parse_error(r);
568
569 r = sd_bus_message_read(reply, "t", &flags);
570 if (r < 0)
571 return bus_log_parse_error(r);
572
573 if (n == 0) {
574 if (warn_missing)
575 log_error("%s: no records found", name);
576 return -ESRCH;
577 }
578
579 print_source(flags, ts);
580
581 if ((flags & SD_RESOLVED_AUTHENTICATED) == 0 && needs_authentication) {
582 fflush(stdout);
583
584 fprintf(stderr, "\n%s"
585 "WARNING: The resources shown contain cryptographic key data which could not be\n"
586 " authenticated. It is not suitable to authenticate any communication.\n"
587 " This is usually indication that DNSSEC authentication was not enabled\n"
588 " or is not available for the selected protocol or DNS servers.%s\n",
589 ansi_highlight_red(),
590 ansi_normal());
591 }
592
593 return 0;
594 }
595
596 static int resolve_rfc4501(sd_bus *bus, const char *name) {
597 uint16_t type = 0, class = 0;
598 const char *p, *q, *n;
599 int r;
600
601 assert(bus);
602 assert(name);
603 assert(startswith(name, "dns:"));
604
605 /* Parse RFC 4501 dns: URIs */
606
607 p = name + 4;
608
609 if (p[0] == '/') {
610 const char *e;
611
612 if (p[1] != '/')
613 goto invalid;
614
615 e = strchr(p + 2, '/');
616 if (!e)
617 goto invalid;
618
619 if (e != p + 2)
620 log_warning("DNS authority specification not supported; ignoring specified authority.");
621
622 p = e + 1;
623 }
624
625 q = strchr(p, '?');
626 if (q) {
627 n = strndupa_safe(p, q - p);
628 q++;
629
630 for (;;) {
631 const char *f;
632
633 f = startswith_no_case(q, "class=");
634 if (f) {
635 _cleanup_free_ char *t = NULL;
636 const char *e;
637
638 if (class != 0)
639 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
640 "DNS class specified twice.");
641
642 e = strchrnul(f, ';');
643 t = strndup(f, e - f);
644 if (!t)
645 return log_oom();
646
647 r = dns_class_from_string(t);
648 if (r < 0)
649 return log_error_errno(r, "Unknown DNS class %s.", t);
650
651 class = r;
652
653 if (*e == ';') {
654 q = e + 1;
655 continue;
656 }
657
658 break;
659 }
660
661 f = startswith_no_case(q, "type=");
662 if (f) {
663 _cleanup_free_ char *t = NULL;
664 const char *e;
665
666 if (type != 0)
667 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
668 "DNS type specified twice.");
669
670 e = strchrnul(f, ';');
671 t = strndup(f, e - f);
672 if (!t)
673 return log_oom();
674
675 r = dns_type_from_string(t);
676 if (r < 0)
677 return log_error_errno(r, "Unknown DNS type %s: %m", t);
678
679 type = r;
680
681 if (*e == ';') {
682 q = e + 1;
683 continue;
684 }
685
686 break;
687 }
688
689 goto invalid;
690 }
691 } else
692 n = p;
693
694 if (class == 0)
695 class = arg_class ?: DNS_CLASS_IN;
696 if (type == 0)
697 type = arg_type ?: DNS_TYPE_A;
698
699 return resolve_record(bus, n, class, type, true);
700
701 invalid:
702 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
703 "Invalid DNS URI: %s", name);
704 }
705
706 static int verb_query(int argc, char **argv, void *userdata) {
707 sd_bus *bus = userdata;
708 char **p;
709 int q, r = 0;
710
711 if (arg_type != 0)
712 STRV_FOREACH(p, argv + 1) {
713 q = resolve_record(bus, *p, arg_class, arg_type, true);
714 if (q < 0)
715 r = q;
716 }
717
718 else
719 STRV_FOREACH(p, argv + 1) {
720 if (startswith(*p, "dns:"))
721 q = resolve_rfc4501(bus, *p);
722 else {
723 int family, ifindex;
724 union in_addr_union a;
725
726 q = in_addr_ifindex_from_string_auto(*p, &family, &a, &ifindex);
727 if (q >= 0)
728 q = resolve_address(bus, family, &a, ifindex);
729 else
730 q = resolve_host(bus, *p);
731 }
732 if (q < 0)
733 r = q;
734 }
735
736 return r;
737 }
738
739 static int resolve_service(sd_bus *bus, const char *name, const char *type, const char *domain) {
740 const char *canonical_name, *canonical_type, *canonical_domain;
741 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL, *reply = NULL;
742 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
743 size_t indent, sz;
744 uint64_t flags;
745 const char *p;
746 unsigned c;
747 usec_t ts;
748 int r;
749
750 assert(bus);
751 assert(domain);
752
753 name = empty_to_null(name);
754 type = empty_to_null(type);
755
756 if (name)
757 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);
758 else if (type)
759 log_debug("Resolving service type %s of %s (family %s, interface %s).", type, domain, af_to_name(arg_family) ?: "*", isempty(arg_ifname) ? "*" : arg_ifname);
760 else
761 log_debug("Resolving service type %s (family %s, interface %s).", domain, af_to_name(arg_family) ?: "*", isempty(arg_ifname) ? "*" : arg_ifname);
762
763 r = bus_message_new_method_call(bus, &req, bus_resolve_mgr, "ResolveService");
764 if (r < 0)
765 return bus_log_create_error(r);
766
767 r = sd_bus_message_append(req, "isssit", arg_ifindex, name, type, domain, arg_family, arg_flags);
768 if (r < 0)
769 return bus_log_create_error(r);
770
771 ts = now(CLOCK_MONOTONIC);
772
773 r = sd_bus_call(bus, req, SD_RESOLVED_QUERY_TIMEOUT_USEC, &error, &reply);
774 if (r < 0)
775 return log_error_errno(r, "Resolve call failed: %s", bus_error_message(&error, r));
776
777 ts = now(CLOCK_MONOTONIC) - ts;
778
779 r = sd_bus_message_enter_container(reply, 'a', "(qqqsa(iiay)s)");
780 if (r < 0)
781 return bus_log_parse_error(r);
782
783 indent =
784 (name ? strlen(name) + 1 : 0) +
785 (type ? strlen(type) + 1 : 0) +
786 strlen(domain) + 2;
787
788 c = 0;
789 while ((r = sd_bus_message_enter_container(reply, 'r', "qqqsa(iiay)s")) > 0) {
790 uint16_t priority, weight, port;
791 const char *hostname, *canonical;
792
793 r = sd_bus_message_read(reply, "qqqs", &priority, &weight, &port, &hostname);
794 if (r < 0)
795 return bus_log_parse_error(r);
796
797 if (name)
798 printf("%*s%s", (int) strlen(name), c == 0 ? name : "", c == 0 ? "/" : " ");
799 if (type)
800 printf("%*s%s", (int) strlen(type), c == 0 ? type : "", c == 0 ? "/" : " ");
801
802 printf("%*s%s %s:%u [priority=%u, weight=%u]\n",
803 (int) strlen(domain), c == 0 ? domain : "",
804 c == 0 ? ":" : " ",
805 hostname, port,
806 priority, weight);
807
808 r = sd_bus_message_enter_container(reply, 'a', "(iiay)");
809 if (r < 0)
810 return bus_log_parse_error(r);
811
812 while ((r = sd_bus_message_enter_container(reply, 'r', "iiay")) > 0) {
813 _cleanup_free_ char *pretty = NULL;
814 int ifindex, family, k;
815 union in_addr_union a;;
816
817 assert_cc(sizeof(int) == sizeof(int32_t));
818
819 r = sd_bus_message_read(reply, "i", &ifindex);
820 if (r < 0)
821 return bus_log_parse_error(r);
822
823 sd_bus_error_free(&error);
824 r = bus_message_read_in_addr_auto(reply, &error, &family, &a);
825 if (r < 0 && !sd_bus_error_has_name(&error, SD_BUS_ERROR_INVALID_ARGS))
826 return log_error_errno(r, "%s: systemd-resolved returned invalid result: %s", name, bus_error_message(&error, r));
827
828 r = sd_bus_message_exit_container(reply);
829 if (r < 0)
830 return bus_log_parse_error(r);
831
832 if (sd_bus_error_has_name(&error, SD_BUS_ERROR_INVALID_ARGS)) {
833 log_debug_errno(r, "%s: systemd-resolved returned invalid result, ignoring: %s", name, bus_error_message(&error, r));
834 continue;
835 }
836
837 r = in_addr_ifindex_to_string(family, &a, ifindex, &pretty);
838 if (r < 0)
839 return log_error_errno(r, "Failed to print address for %s: %m", name);
840
841 k = printf("%*s%s", (int) indent, "", pretty);
842 print_ifindex_comment(k, ifindex);
843 fputc('\n', stdout);
844 }
845 if (r < 0)
846 return bus_log_parse_error(r);
847
848 r = sd_bus_message_exit_container(reply);
849 if (r < 0)
850 return bus_log_parse_error(r);
851
852 r = sd_bus_message_read(reply, "s", &canonical);
853 if (r < 0)
854 return bus_log_parse_error(r);
855
856 if (!streq(hostname, canonical))
857 printf("%*s(%s)\n", (int) indent, "", canonical);
858
859 r = sd_bus_message_exit_container(reply);
860 if (r < 0)
861 return bus_log_parse_error(r);
862
863 c++;
864 }
865 if (r < 0)
866 return bus_log_parse_error(r);
867
868 r = sd_bus_message_exit_container(reply);
869 if (r < 0)
870 return bus_log_parse_error(r);
871
872 r = sd_bus_message_enter_container(reply, 'a', "ay");
873 if (r < 0)
874 return bus_log_parse_error(r);
875
876 while ((r = sd_bus_message_read_array(reply, 'y', (const void**) &p, &sz)) > 0) {
877 _cleanup_free_ char *escaped = NULL;
878
879 escaped = cescape_length(p, sz);
880 if (!escaped)
881 return log_oom();
882
883 printf("%*s%s\n", (int) indent, "", escaped);
884 }
885 if (r < 0)
886 return bus_log_parse_error(r);
887
888 r = sd_bus_message_exit_container(reply);
889 if (r < 0)
890 return bus_log_parse_error(r);
891
892 r = sd_bus_message_read(reply, "ssst", &canonical_name, &canonical_type, &canonical_domain, &flags);
893 if (r < 0)
894 return bus_log_parse_error(r);
895
896 canonical_name = empty_to_null(canonical_name);
897 canonical_type = empty_to_null(canonical_type);
898
899 if (!streq_ptr(name, canonical_name) ||
900 !streq_ptr(type, canonical_type) ||
901 !streq_ptr(domain, canonical_domain)) {
902
903 printf("%*s(", (int) indent, "");
904
905 if (canonical_name)
906 printf("%s/", canonical_name);
907 if (canonical_type)
908 printf("%s/", canonical_type);
909
910 printf("%s)\n", canonical_domain);
911 }
912
913 print_source(flags, ts);
914
915 return 0;
916 }
917
918 static int verb_service(int argc, char **argv, void *userdata) {
919 sd_bus *bus = userdata;
920
921 if (argc == 2)
922 return resolve_service(bus, NULL, NULL, argv[1]);
923 else if (argc == 3)
924 return resolve_service(bus, NULL, argv[1], argv[2]);
925 else
926 return resolve_service(bus, argv[1], argv[2], argv[3]);
927 }
928
929 static int resolve_openpgp(sd_bus *bus, const char *address) {
930 const char *domain, *full;
931 int r;
932 _cleanup_free_ char *hashed = NULL;
933
934 assert(bus);
935 assert(address);
936
937 domain = strrchr(address, '@');
938 if (!domain)
939 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
940 "Address does not contain '@': \"%s\"", address);
941 if (domain == address || domain[1] == '\0')
942 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
943 "Address starts or ends with '@': \"%s\"", address);
944 domain++;
945
946 r = string_hashsum_sha256(address, domain - 1 - address, &hashed);
947 if (r < 0)
948 return log_error_errno(r, "Hashing failed: %m");
949
950 strshorten(hashed, 56);
951
952 full = strjoina(hashed, "._openpgpkey.", domain);
953 log_debug("Looking up \"%s\".", full);
954
955 r = resolve_record(bus, full,
956 arg_class ?: DNS_CLASS_IN,
957 arg_type ?: DNS_TYPE_OPENPGPKEY, false);
958
959 if (IN_SET(r, -ENXIO, -ESRCH)) { /* NXDOMAIN or NODATA? */
960 hashed = mfree(hashed);
961 r = string_hashsum_sha224(address, domain - 1 - address, &hashed);
962 if (r < 0)
963 return log_error_errno(r, "Hashing failed: %m");
964
965 full = strjoina(hashed, "._openpgpkey.", domain);
966 log_debug("Looking up \"%s\".", full);
967
968 return resolve_record(bus, full,
969 arg_class ?: DNS_CLASS_IN,
970 arg_type ?: DNS_TYPE_OPENPGPKEY, true);
971 }
972
973 return r;
974 }
975
976 static int verb_openpgp(int argc, char **argv, void *userdata) {
977 sd_bus *bus = userdata;
978 char **p;
979 int q, r = 0;
980
981 STRV_FOREACH(p, argv + 1) {
982 q = resolve_openpgp(bus, *p);
983 if (q < 0)
984 r = q;
985 }
986
987 return r;
988 }
989
990 static int resolve_tlsa(sd_bus *bus, const char *family, const char *address) {
991 const char *port;
992 uint16_t port_num = 443;
993 _cleanup_free_ char *full = NULL;
994 int r;
995
996 assert(bus);
997 assert(address);
998
999 port = strrchr(address, ':');
1000 if (port) {
1001 r = parse_ip_port(port + 1, &port_num);
1002 if (r < 0)
1003 return log_error_errno(r, "Invalid port \"%s\".", port + 1);
1004
1005 address = strndupa_safe(address, port - address);
1006 }
1007
1008 r = asprintf(&full, "_%u._%s.%s",
1009 port_num,
1010 family,
1011 address);
1012 if (r < 0)
1013 return log_oom();
1014
1015 log_debug("Looking up \"%s\".", full);
1016
1017 return resolve_record(bus, full,
1018 arg_class ?: DNS_CLASS_IN,
1019 arg_type ?: DNS_TYPE_TLSA, true);
1020 }
1021
1022 static bool service_family_is_valid(const char *s) {
1023 return STR_IN_SET(s, "tcp", "udp", "sctp");
1024 }
1025
1026 static int verb_tlsa(int argc, char **argv, void *userdata) {
1027 sd_bus *bus = userdata;
1028 char **p, **args = argv + 1;
1029 const char *family = "tcp";
1030 int q, r = 0;
1031
1032 if (service_family_is_valid(argv[1])) {
1033 family = argv[1];
1034 args++;
1035 }
1036
1037 STRV_FOREACH(p, args) {
1038 q = resolve_tlsa(bus, family, *p);
1039 if (q < 0)
1040 r = q;
1041 }
1042
1043 return r;
1044 }
1045
1046 static int show_statistics(int argc, char **argv, void *userdata) {
1047 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1048 _cleanup_(sd_bus_message_unrefp) sd_bus_message *reply = NULL;
1049 _cleanup_(table_unrefp) Table *table = NULL;
1050 sd_bus *bus = userdata;
1051 uint64_t n_current_transactions, n_total_transactions,
1052 cache_size, n_cache_hit, n_cache_miss,
1053 n_dnssec_secure, n_dnssec_insecure, n_dnssec_bogus, n_dnssec_indeterminate;
1054 int r, dnssec_supported;
1055
1056 assert(bus);
1057
1058 r = bus_get_property_trivial(bus, bus_resolve_mgr, "DNSSECSupported", &error, 'b', &dnssec_supported);
1059 if (r < 0)
1060 return log_error_errno(r, "Failed to get DNSSEC supported state: %s", bus_error_message(&error, r));
1061
1062 printf("DNSSEC supported by current servers: %s%s%s\n\n",
1063 ansi_highlight(),
1064 yes_no(dnssec_supported),
1065 ansi_normal());
1066
1067 r = bus_get_property(bus, bus_resolve_mgr, "TransactionStatistics", &error, &reply, "(tt)");
1068 if (r < 0)
1069 return log_error_errno(r, "Failed to get transaction statistics: %s", bus_error_message(&error, r));
1070
1071 r = sd_bus_message_read(reply, "(tt)",
1072 &n_current_transactions,
1073 &n_total_transactions);
1074 if (r < 0)
1075 return bus_log_parse_error(r);
1076
1077 reply = sd_bus_message_unref(reply);
1078
1079 r = bus_get_property(bus, bus_resolve_mgr, "CacheStatistics", &error, &reply, "(ttt)");
1080 if (r < 0)
1081 return log_error_errno(r, "Failed to get cache statistics: %s", bus_error_message(&error, r));
1082
1083 r = sd_bus_message_read(reply, "(ttt)",
1084 &cache_size,
1085 &n_cache_hit,
1086 &n_cache_miss);
1087 if (r < 0)
1088 return bus_log_parse_error(r);
1089
1090 reply = sd_bus_message_unref(reply);
1091
1092 r = bus_get_property(bus, bus_resolve_mgr, "DNSSECStatistics", &error, &reply, "(tttt)");
1093 if (r < 0)
1094 return log_error_errno(r, "Failed to get DNSSEC statistics: %s", bus_error_message(&error, r));
1095
1096 r = sd_bus_message_read(reply, "(tttt)",
1097 &n_dnssec_secure,
1098 &n_dnssec_insecure,
1099 &n_dnssec_bogus,
1100 &n_dnssec_indeterminate);
1101 if (r < 0)
1102 return bus_log_parse_error(r);
1103
1104 table = table_new("key", "value");
1105 if (!table)
1106 return log_oom();
1107
1108 table_set_header(table, false);
1109
1110 r = table_add_many(table,
1111 TABLE_STRING, "Transactions",
1112 TABLE_SET_COLOR, ansi_highlight(),
1113 TABLE_EMPTY,
1114 TABLE_STRING, "Current Transactions:",
1115 TABLE_SET_ALIGN_PERCENT, 100,
1116 TABLE_UINT64, n_current_transactions,
1117 TABLE_STRING, "Total Transactions:",
1118 TABLE_UINT64, n_total_transactions,
1119 TABLE_EMPTY, TABLE_EMPTY,
1120 TABLE_STRING, "Cache",
1121 TABLE_SET_COLOR, ansi_highlight(),
1122 TABLE_SET_ALIGN_PERCENT, 0,
1123 TABLE_EMPTY,
1124 TABLE_STRING, "Current Cache Size:",
1125 TABLE_SET_ALIGN_PERCENT, 100,
1126 TABLE_UINT64, cache_size,
1127 TABLE_STRING, "Cache Hits:",
1128 TABLE_UINT64, n_cache_hit,
1129 TABLE_STRING, "Cache Misses:",
1130 TABLE_UINT64, n_cache_miss,
1131 TABLE_EMPTY, TABLE_EMPTY,
1132 TABLE_STRING, "DNSSEC Verdicts",
1133 TABLE_SET_COLOR, ansi_highlight(),
1134 TABLE_SET_ALIGN_PERCENT, 0,
1135 TABLE_EMPTY,
1136 TABLE_STRING, "Secure:",
1137 TABLE_SET_ALIGN_PERCENT, 100,
1138 TABLE_UINT64, n_dnssec_secure,
1139 TABLE_STRING, "Insecure:",
1140 TABLE_UINT64, n_dnssec_insecure,
1141 TABLE_STRING, "Bogus:",
1142 TABLE_UINT64, n_dnssec_bogus,
1143 TABLE_STRING, "Indeterminate:",
1144 TABLE_UINT64, n_dnssec_indeterminate);
1145 if (r < 0)
1146 table_log_add_error(r);
1147
1148 r = table_print(table, NULL);
1149 if (r < 0)
1150 return table_log_print_error(r);
1151
1152 return 0;
1153 }
1154
1155 static int reset_statistics(int argc, char **argv, void *userdata) {
1156 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1157 sd_bus *bus = userdata;
1158 int r;
1159
1160 r = bus_call_method(bus, bus_resolve_mgr, "ResetStatistics", &error, NULL, NULL);
1161 if (r < 0)
1162 return log_error_errno(r, "Failed to reset statistics: %s", bus_error_message(&error, r));
1163
1164 return 0;
1165 }
1166
1167 static int flush_caches(int argc, char **argv, void *userdata) {
1168 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1169 sd_bus *bus = userdata;
1170 int r;
1171
1172 r = bus_call_method(bus, bus_resolve_mgr, "FlushCaches", &error, NULL, NULL);
1173 if (r < 0)
1174 return log_error_errno(r, "Failed to flush caches: %s", bus_error_message(&error, r));
1175
1176 return 0;
1177 }
1178
1179 static int reset_server_features(int argc, char **argv, void *userdata) {
1180 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1181 sd_bus *bus = userdata;
1182 int r;
1183
1184 r = bus_call_method(bus, bus_resolve_mgr, "ResetServerFeatures", &error, NULL, NULL);
1185 if (r < 0)
1186 return log_error_errno(r, "Failed to reset server features: %s", bus_error_message(&error, r));
1187
1188 return 0;
1189 }
1190
1191 static int read_dns_server_one(sd_bus_message *m, bool with_ifindex, bool extended, char **ret) {
1192 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1193 _cleanup_free_ char *pretty = NULL;
1194 int ifindex, family, r, k;
1195 union in_addr_union a;
1196 const char *name = NULL;
1197 uint16_t port = 0;
1198
1199 assert(m);
1200 assert(ret);
1201
1202 r = sd_bus_message_enter_container(m, 'r', with_ifindex ? (extended ? "iiayqs" : "iiay") : (extended ? "iayqs" : "iay"));
1203 if (r <= 0)
1204 return r;
1205
1206 if (with_ifindex) {
1207 r = sd_bus_message_read(m, "i", &ifindex);
1208 if (r < 0)
1209 return r;
1210 }
1211
1212 k = bus_message_read_in_addr_auto(m, &error, &family, &a);
1213 if (k < 0 && !sd_bus_error_has_name(&error, SD_BUS_ERROR_INVALID_ARGS))
1214 return k;
1215
1216 if (extended) {
1217 r = sd_bus_message_read(m, "q", &port);
1218 if (r < 0)
1219 return r;
1220
1221 r = sd_bus_message_read(m, "s", &name);
1222 if (r < 0)
1223 return r;
1224 }
1225
1226 r = sd_bus_message_exit_container(m);
1227 if (r < 0)
1228 return r;
1229
1230 if (k < 0) {
1231 log_debug("Invalid DNS server, ignoring: %s", bus_error_message(&error, k));
1232 *ret = NULL;
1233 return 1;
1234 }
1235
1236 if (with_ifindex && ifindex != 0) {
1237 /* only show the global ones here */
1238 *ret = NULL;
1239 return 1;
1240 }
1241
1242 r = in_addr_port_ifindex_name_to_string(family, &a, port, ifindex, name, &pretty);
1243 if (r < 0)
1244 return r;
1245
1246 *ret = TAKE_PTR(pretty);
1247
1248 return 1;
1249 }
1250
1251 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) {
1252 char ***l = userdata;
1253 int r;
1254
1255 assert(bus);
1256 assert(member);
1257 assert(m);
1258 assert(l);
1259
1260 r = sd_bus_message_enter_container(m, 'a', extended ? "(iayqs)" : "(iay)");
1261 if (r < 0)
1262 return r;
1263
1264 for (;;) {
1265 _cleanup_free_ char *pretty = NULL;
1266
1267 r = read_dns_server_one(m, false, extended, &pretty);
1268 if (r < 0)
1269 return r;
1270 if (r == 0)
1271 break;
1272
1273 if (isempty(pretty))
1274 continue;
1275
1276 r = strv_consume(l, TAKE_PTR(pretty));
1277 if (r < 0)
1278 return r;
1279 }
1280
1281 r = sd_bus_message_exit_container(m);
1282 if (r < 0)
1283 return r;
1284
1285 return 0;
1286 }
1287
1288 static int map_link_dns_servers(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1289 return map_link_dns_servers_internal(bus, member, m, error, userdata, false);
1290 }
1291
1292 static int map_link_dns_servers_ex(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1293 return map_link_dns_servers_internal(bus, member, m, error, userdata, true);
1294 }
1295
1296 static int map_link_current_dns_server(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1297 assert(m);
1298 assert(userdata);
1299
1300 return read_dns_server_one(m, false, false, userdata);
1301 }
1302
1303 static int map_link_current_dns_server_ex(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1304 assert(m);
1305 assert(userdata);
1306
1307 return read_dns_server_one(m, false, true, userdata);
1308 }
1309
1310 static int read_domain_one(sd_bus_message *m, bool with_ifindex, char **ret) {
1311 _cleanup_free_ char *str = NULL;
1312 int ifindex, route_only, r;
1313 const char *domain;
1314
1315 assert(m);
1316 assert(ret);
1317
1318 if (with_ifindex)
1319 r = sd_bus_message_read(m, "(isb)", &ifindex, &domain, &route_only);
1320 else
1321 r = sd_bus_message_read(m, "(sb)", &domain, &route_only);
1322 if (r <= 0)
1323 return r;
1324
1325 if (with_ifindex && ifindex != 0) {
1326 /* only show the global ones here */
1327 *ret = NULL;
1328 return 1;
1329 }
1330
1331 if (route_only)
1332 str = strjoin("~", domain);
1333 else
1334 str = strdup(domain);
1335 if (!str)
1336 return -ENOMEM;
1337
1338 *ret = TAKE_PTR(str);
1339
1340 return 1;
1341 }
1342
1343 static int map_link_domains(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1344 char ***l = userdata;
1345 int r;
1346
1347 assert(bus);
1348 assert(member);
1349 assert(m);
1350 assert(l);
1351
1352 r = sd_bus_message_enter_container(m, 'a', "(sb)");
1353 if (r < 0)
1354 return r;
1355
1356 for (;;) {
1357 _cleanup_free_ char *pretty = NULL;
1358
1359 r = read_domain_one(m, false, &pretty);
1360 if (r < 0)
1361 return r;
1362 if (r == 0)
1363 break;
1364
1365 if (isempty(pretty))
1366 continue;
1367
1368 r = strv_consume(l, TAKE_PTR(pretty));
1369 if (r < 0)
1370 return r;
1371 }
1372
1373 r = sd_bus_message_exit_container(m);
1374 if (r < 0)
1375 return r;
1376
1377 strv_sort(*l);
1378
1379 return 0;
1380 }
1381
1382 static int status_print_strv_ifindex(int ifindex, const char *ifname, char **p) {
1383 const unsigned indent = strlen("Global: "); /* Use the same indentation everywhere to make things nice */
1384 int pos1, pos2;
1385
1386 if (ifname)
1387 printf("%s%nLink %i (%s)%n%s:", ansi_highlight(), &pos1, ifindex, ifname, &pos2, ansi_normal());
1388 else
1389 printf("%s%nGlobal%n%s:", ansi_highlight(), &pos1, &pos2, ansi_normal());
1390
1391 size_t cols = columns(), position = pos2 - pos1 + 2;
1392 char **i;
1393
1394 STRV_FOREACH(i, p) {
1395 size_t our_len = utf8_console_width(*i); /* This returns -1 on invalid utf-8 (which shouldn't happen).
1396 * If that happens, we'll just print one item per line. */
1397
1398 if (position <= indent || size_add(size_add(position, 1), our_len) < cols) {
1399 printf(" %s", *i);
1400 position = size_add(size_add(position, 1), our_len);
1401 } else {
1402 printf("\n%*s%s", indent, "", *i);
1403 position = size_add(our_len, indent);
1404 }
1405 }
1406
1407 printf("\n");
1408
1409 return 0;
1410 }
1411
1412 static int status_print_strv_global(char **p) {
1413 return status_print_strv_ifindex(0, NULL, p);
1414 }
1415
1416 typedef struct LinkInfo {
1417 uint64_t scopes_mask;
1418 const char *llmnr;
1419 const char *mdns;
1420 const char *dns_over_tls;
1421 const char *dnssec;
1422 char *current_dns;
1423 char *current_dns_ex;
1424 char **dns;
1425 char **dns_ex;
1426 char **domains;
1427 char **ntas;
1428 bool dnssec_supported;
1429 bool default_route;
1430 } LinkInfo;
1431
1432 typedef struct GlobalInfo {
1433 char *current_dns;
1434 char *current_dns_ex;
1435 char **dns;
1436 char **dns_ex;
1437 char **fallback_dns;
1438 char **fallback_dns_ex;
1439 char **domains;
1440 char **ntas;
1441 const char *llmnr;
1442 const char *mdns;
1443 const char *dns_over_tls;
1444 const char *dnssec;
1445 const char *resolv_conf_mode;
1446 bool dnssec_supported;
1447 } GlobalInfo;
1448
1449 static void link_info_clear(LinkInfo *p) {
1450 free(p->current_dns);
1451 free(p->current_dns_ex);
1452 strv_free(p->dns);
1453 strv_free(p->dns_ex);
1454 strv_free(p->domains);
1455 strv_free(p->ntas);
1456 }
1457
1458 static void global_info_clear(GlobalInfo *p) {
1459 free(p->current_dns);
1460 free(p->current_dns_ex);
1461 strv_free(p->dns);
1462 strv_free(p->dns_ex);
1463 strv_free(p->fallback_dns);
1464 strv_free(p->fallback_dns_ex);
1465 strv_free(p->domains);
1466 strv_free(p->ntas);
1467 }
1468
1469 static int dump_list(Table *table, const char *prefix, char * const *l) {
1470 int r;
1471
1472 if (strv_isempty(l))
1473 return 0;
1474
1475 r = table_add_many(table,
1476 TABLE_STRING, prefix,
1477 TABLE_STRV_WRAPPED, l);
1478 if (r < 0)
1479 return table_log_add_error(r);
1480
1481 return 0;
1482 }
1483
1484 static int strv_extend_extended_bool(char ***strv, const char *name, const char *value) {
1485 int r;
1486
1487 if (value) {
1488 r = parse_boolean(value);
1489 if (r >= 0)
1490 return strv_extendf(strv, "%s%s", plus_minus(r), name);
1491 }
1492
1493 return strv_extendf(strv, "%s=%s", name, value ?: "???");
1494 }
1495
1496 static char** link_protocol_status(const LinkInfo *info) {
1497 _cleanup_strv_free_ char **s = NULL;
1498
1499 if (strv_extendf(&s, "%sDefaultRoute", plus_minus(info->default_route)) < 0)
1500 return NULL;
1501
1502 if (strv_extend_extended_bool(&s, "LLMNR", info->llmnr) < 0)
1503 return NULL;
1504
1505 if (strv_extend_extended_bool(&s, "mDNS", info->mdns) < 0)
1506 return NULL;
1507
1508 if (strv_extend_extended_bool(&s, "DNSOverTLS", info->dns_over_tls) < 0)
1509 return NULL;
1510
1511 if (strv_extendf(&s, "DNSSEC=%s/%s",
1512 info->dnssec ?: "???",
1513 info->dnssec_supported ? "supported" : "unsupported") < 0)
1514 return NULL;
1515
1516 return TAKE_PTR(s);
1517 }
1518
1519 static char** global_protocol_status(const GlobalInfo *info) {
1520 _cleanup_strv_free_ char **s = NULL;
1521
1522 if (strv_extend_extended_bool(&s, "LLMNR", info->llmnr) < 0)
1523 return NULL;
1524
1525 if (strv_extend_extended_bool(&s, "mDNS", info->mdns) < 0)
1526 return NULL;
1527
1528 if (strv_extend_extended_bool(&s, "DNSOverTLS", info->dns_over_tls) < 0)
1529 return NULL;
1530
1531 if (strv_extendf(&s, "DNSSEC=%s/%s",
1532 info->dnssec ?: "???",
1533 info->dnssec_supported ? "supported" : "unsupported") < 0)
1534 return NULL;
1535
1536 return TAKE_PTR(s);
1537 }
1538
1539 static int status_ifindex(sd_bus *bus, int ifindex, const char *name, StatusMode mode, bool *empty_line) {
1540 static const struct bus_properties_map property_map[] = {
1541 { "ScopesMask", "t", NULL, offsetof(LinkInfo, scopes_mask) },
1542 { "DNS", "a(iay)", map_link_dns_servers, offsetof(LinkInfo, dns) },
1543 { "DNSEx", "a(iayqs)", map_link_dns_servers_ex, offsetof(LinkInfo, dns_ex) },
1544 { "CurrentDNSServer", "(iay)", map_link_current_dns_server, offsetof(LinkInfo, current_dns) },
1545 { "CurrentDNSServerEx", "(iayqs)", map_link_current_dns_server_ex, offsetof(LinkInfo, current_dns_ex) },
1546 { "Domains", "a(sb)", map_link_domains, offsetof(LinkInfo, domains) },
1547 { "DefaultRoute", "b", NULL, offsetof(LinkInfo, default_route) },
1548 { "LLMNR", "s", NULL, offsetof(LinkInfo, llmnr) },
1549 { "MulticastDNS", "s", NULL, offsetof(LinkInfo, mdns) },
1550 { "DNSOverTLS", "s", NULL, offsetof(LinkInfo, dns_over_tls) },
1551 { "DNSSEC", "s", NULL, offsetof(LinkInfo, dnssec) },
1552 { "DNSSECNegativeTrustAnchors", "as", bus_map_strv_sort, offsetof(LinkInfo, ntas) },
1553 { "DNSSECSupported", "b", NULL, offsetof(LinkInfo, dnssec_supported) },
1554 {}
1555 };
1556 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1557 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
1558 _cleanup_(link_info_clear) LinkInfo link_info = {};
1559 _cleanup_(table_unrefp) Table *table = NULL;
1560 _cleanup_free_ char *p = NULL;
1561 char ifi[DECIMAL_STR_MAX(int)], ifname[IF_NAMESIZE];
1562 int r;
1563
1564 assert(bus);
1565 assert(ifindex > 0);
1566
1567 if (!name) {
1568 r = format_ifname(ifindex, ifname);
1569 if (r < 0)
1570 return log_error_errno(r, "Failed to resolve interface name for %i: %m", ifindex);
1571
1572 name = ifname;
1573 }
1574
1575 xsprintf(ifi, "%i", ifindex);
1576 r = sd_bus_path_encode("/org/freedesktop/resolve1/link", ifi, &p);
1577 if (r < 0)
1578 return log_oom();
1579
1580 r = bus_map_all_properties(bus,
1581 "org.freedesktop.resolve1",
1582 p,
1583 property_map,
1584 BUS_MAP_BOOLEAN_AS_BOOL,
1585 &error,
1586 &m,
1587 &link_info);
1588 if (r < 0)
1589 return log_error_errno(r, "Failed to get link data for %i: %s", ifindex, bus_error_message(&error, r));
1590
1591 pager_open(arg_pager_flags);
1592
1593 if (mode == STATUS_DNS)
1594 return status_print_strv_ifindex(ifindex, name, link_info.dns_ex ?: link_info.dns);
1595
1596 if (mode == STATUS_DOMAIN)
1597 return status_print_strv_ifindex(ifindex, name, link_info.domains);
1598
1599 if (mode == STATUS_NTA)
1600 return status_print_strv_ifindex(ifindex, name, link_info.ntas);
1601
1602 if (mode == STATUS_DEFAULT_ROUTE) {
1603 printf("%sLink %i (%s)%s: %s\n",
1604 ansi_highlight(), ifindex, name, ansi_normal(),
1605 yes_no(link_info.default_route));
1606
1607 return 0;
1608 }
1609
1610 if (mode == STATUS_LLMNR) {
1611 printf("%sLink %i (%s)%s: %s\n",
1612 ansi_highlight(), ifindex, name, ansi_normal(),
1613 strna(link_info.llmnr));
1614
1615 return 0;
1616 }
1617
1618 if (mode == STATUS_MDNS) {
1619 printf("%sLink %i (%s)%s: %s\n",
1620 ansi_highlight(), ifindex, name, ansi_normal(),
1621 strna(link_info.mdns));
1622
1623 return 0;
1624 }
1625
1626 if (mode == STATUS_PRIVATE) {
1627 printf("%sLink %i (%s)%s: %s\n",
1628 ansi_highlight(), ifindex, name, ansi_normal(),
1629 strna(link_info.dns_over_tls));
1630
1631 return 0;
1632 }
1633
1634 if (mode == STATUS_DNSSEC) {
1635 printf("%sLink %i (%s)%s: %s\n",
1636 ansi_highlight(), ifindex, name, ansi_normal(),
1637 strna(link_info.dnssec));
1638
1639 return 0;
1640 }
1641
1642 if (empty_line && *empty_line)
1643 fputc('\n', stdout);
1644
1645 printf("%sLink %i (%s)%s\n",
1646 ansi_highlight(), ifindex, name, ansi_normal());
1647
1648 table = table_new("key", "value");
1649 if (!table)
1650 return log_oom();
1651
1652 table_set_header(table, false);
1653
1654 r = table_add_many(table,
1655 TABLE_STRING, "Current Scopes:",
1656 TABLE_SET_ALIGN_PERCENT, 100);
1657 if (r < 0)
1658 return table_log_add_error(r);
1659
1660 if (link_info.scopes_mask == 0)
1661 r = table_add_cell(table, NULL, TABLE_STRING, "none");
1662 else {
1663 _cleanup_free_ char *buf = NULL;
1664 size_t len;
1665
1666 if (asprintf(&buf, "%s%s%s%s%s",
1667 link_info.scopes_mask & SD_RESOLVED_DNS ? "DNS " : "",
1668 link_info.scopes_mask & SD_RESOLVED_LLMNR_IPV4 ? "LLMNR/IPv4 " : "",
1669 link_info.scopes_mask & SD_RESOLVED_LLMNR_IPV6 ? "LLMNR/IPv6 " : "",
1670 link_info.scopes_mask & SD_RESOLVED_MDNS_IPV4 ? "mDNS/IPv4 " : "",
1671 link_info.scopes_mask & SD_RESOLVED_MDNS_IPV6 ? "mDNS/IPv6 " : "") < 0)
1672 return log_oom();
1673
1674 len = strlen(buf);
1675 assert(len > 0);
1676 buf[len - 1] = '\0';
1677
1678 r = table_add_cell(table, NULL, TABLE_STRING, buf);
1679 }
1680 if (r < 0)
1681 return table_log_add_error(r);
1682
1683 _cleanup_strv_free_ char **pstatus = link_protocol_status(&link_info);
1684 if (!pstatus)
1685 return log_oom();
1686
1687 r = table_add_many(table,
1688 TABLE_STRING, "Protocols:",
1689 TABLE_STRV_WRAPPED, pstatus);
1690 if (r < 0)
1691 return table_log_add_error(r);
1692
1693 if (link_info.current_dns) {
1694 r = table_add_many(table,
1695 TABLE_STRING, "Current DNS Server:",
1696 TABLE_STRING, link_info.current_dns_ex ?: link_info.current_dns);
1697 if (r < 0)
1698 return table_log_add_error(r);
1699 }
1700
1701 r = dump_list(table, "DNS Servers:", link_info.dns_ex ?: link_info.dns);
1702 if (r < 0)
1703 return r;
1704
1705 r = dump_list(table, "DNS Domain:", link_info.domains);
1706 if (r < 0)
1707 return r;
1708
1709 r = table_print(table, NULL);
1710 if (r < 0)
1711 return table_log_print_error(r);
1712
1713 if (empty_line)
1714 *empty_line = true;
1715
1716 return 0;
1717 }
1718
1719 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) {
1720 char ***l = userdata;
1721 int r;
1722
1723 assert(bus);
1724 assert(member);
1725 assert(m);
1726 assert(l);
1727
1728 r = sd_bus_message_enter_container(m, 'a', extended ? "(iiayqs)" : "(iiay)");
1729 if (r < 0)
1730 return r;
1731
1732 for (;;) {
1733 _cleanup_free_ char *pretty = NULL;
1734
1735 r = read_dns_server_one(m, true, extended, &pretty);
1736 if (r < 0)
1737 return r;
1738 if (r == 0)
1739 break;
1740
1741 if (isempty(pretty))
1742 continue;
1743
1744 r = strv_consume(l, TAKE_PTR(pretty));
1745 if (r < 0)
1746 return r;
1747 }
1748
1749 r = sd_bus_message_exit_container(m);
1750 if (r < 0)
1751 return r;
1752
1753 return 0;
1754 }
1755
1756 static int map_global_dns_servers(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1757 return map_global_dns_servers_internal(bus, member, m, error, userdata, false);
1758 }
1759
1760 static int map_global_dns_servers_ex(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1761 return map_global_dns_servers_internal(bus, member, m, error, userdata, true);
1762 }
1763
1764 static int map_global_current_dns_server(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1765 assert(m);
1766 assert(userdata);
1767
1768 return read_dns_server_one(m, true, false, userdata);
1769 }
1770
1771 static int map_global_current_dns_server_ex(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1772 assert(m);
1773 assert(userdata);
1774
1775 return read_dns_server_one(m, true, true, userdata);
1776 }
1777
1778 static int map_global_domains(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
1779 char ***l = userdata;
1780 int r;
1781
1782 assert(bus);
1783 assert(member);
1784 assert(m);
1785 assert(l);
1786
1787 r = sd_bus_message_enter_container(m, 'a', "(isb)");
1788 if (r < 0)
1789 return r;
1790
1791 for (;;) {
1792 _cleanup_free_ char *pretty = NULL;
1793
1794 r = read_domain_one(m, true, &pretty);
1795 if (r < 0)
1796 return r;
1797 if (r == 0)
1798 break;
1799
1800 if (isempty(pretty))
1801 continue;
1802
1803 r = strv_consume(l, TAKE_PTR(pretty));
1804 if (r < 0)
1805 return r;
1806 }
1807
1808 r = sd_bus_message_exit_container(m);
1809 if (r < 0)
1810 return r;
1811
1812 strv_sort(*l);
1813
1814 return 0;
1815 }
1816
1817 static int status_global(sd_bus *bus, StatusMode mode, bool *empty_line) {
1818 static const struct bus_properties_map property_map[] = {
1819 { "DNS", "a(iiay)", map_global_dns_servers, offsetof(GlobalInfo, dns) },
1820 { "DNSEx", "a(iiayqs)", map_global_dns_servers_ex, offsetof(GlobalInfo, dns_ex) },
1821 { "FallbackDNS", "a(iiay)", map_global_dns_servers, offsetof(GlobalInfo, fallback_dns) },
1822 { "FallbackDNSEx", "a(iiayqs)", map_global_dns_servers_ex, offsetof(GlobalInfo, fallback_dns_ex) },
1823 { "CurrentDNSServer", "(iiay)", map_global_current_dns_server, offsetof(GlobalInfo, current_dns) },
1824 { "CurrentDNSServerEx", "(iiayqs)", map_global_current_dns_server_ex, offsetof(GlobalInfo, current_dns_ex) },
1825 { "Domains", "a(isb)", map_global_domains, offsetof(GlobalInfo, domains) },
1826 { "DNSSECNegativeTrustAnchors", "as", bus_map_strv_sort, offsetof(GlobalInfo, ntas) },
1827 { "LLMNR", "s", NULL, offsetof(GlobalInfo, llmnr) },
1828 { "MulticastDNS", "s", NULL, offsetof(GlobalInfo, mdns) },
1829 { "DNSOverTLS", "s", NULL, offsetof(GlobalInfo, dns_over_tls) },
1830 { "DNSSEC", "s", NULL, offsetof(GlobalInfo, dnssec) },
1831 { "DNSSECSupported", "b", NULL, offsetof(GlobalInfo, dnssec_supported) },
1832 { "ResolvConfMode", "s", NULL, offsetof(GlobalInfo, resolv_conf_mode) },
1833 {}
1834 };
1835 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
1836 _cleanup_(sd_bus_message_unrefp) sd_bus_message *m = NULL;
1837 _cleanup_(global_info_clear) GlobalInfo global_info = {};
1838 _cleanup_(table_unrefp) Table *table = NULL;
1839 int r;
1840
1841 assert(bus);
1842 assert(empty_line);
1843
1844 r = bus_map_all_properties(bus,
1845 "org.freedesktop.resolve1",
1846 "/org/freedesktop/resolve1",
1847 property_map,
1848 BUS_MAP_BOOLEAN_AS_BOOL,
1849 &error,
1850 &m,
1851 &global_info);
1852 if (r < 0)
1853 return log_error_errno(r, "Failed to get global data: %s", bus_error_message(&error, r));
1854
1855 pager_open(arg_pager_flags);
1856
1857 if (mode == STATUS_DNS)
1858 return status_print_strv_global(global_info.dns_ex ?: global_info.dns);
1859
1860 if (mode == STATUS_DOMAIN)
1861 return status_print_strv_global(global_info.domains);
1862
1863 if (mode == STATUS_NTA)
1864 return status_print_strv_global(global_info.ntas);
1865
1866 if (mode == STATUS_LLMNR) {
1867 printf("%sGlobal%s: %s\n", ansi_highlight(), ansi_normal(),
1868 strna(global_info.llmnr));
1869
1870 return 0;
1871 }
1872
1873 if (mode == STATUS_MDNS) {
1874 printf("%sGlobal%s: %s\n", ansi_highlight(), ansi_normal(),
1875 strna(global_info.mdns));
1876
1877 return 0;
1878 }
1879
1880 if (mode == STATUS_PRIVATE) {
1881 printf("%sGlobal%s: %s\n", ansi_highlight(), ansi_normal(),
1882 strna(global_info.dns_over_tls));
1883
1884 return 0;
1885 }
1886
1887 if (mode == STATUS_DNSSEC) {
1888 printf("%sGlobal%s: %s\n", ansi_highlight(), ansi_normal(),
1889 strna(global_info.dnssec));
1890
1891 return 0;
1892 }
1893
1894 printf("%sGlobal%s\n", ansi_highlight(), ansi_normal());
1895
1896 table = table_new("key", "value");
1897 if (!table)
1898 return log_oom();
1899
1900 table_set_header(table, false);
1901
1902 _cleanup_strv_free_ char **pstatus = global_protocol_status(&global_info);
1903 if (!pstatus)
1904 return log_oom();
1905
1906 r = table_add_many(table,
1907 TABLE_STRING, "Protocols:",
1908 TABLE_SET_ALIGN_PERCENT, 100,
1909 TABLE_STRV_WRAPPED, pstatus);
1910 if (r < 0)
1911 return table_log_add_error(r);
1912
1913 if (global_info.resolv_conf_mode) {
1914 r = table_add_many(table,
1915 TABLE_STRING, "resolv.conf mode:",
1916 TABLE_STRING, global_info.resolv_conf_mode);
1917 if (r < 0)
1918 return table_log_add_error(r);
1919 }
1920
1921 if (global_info.current_dns) {
1922 r = table_add_many(table,
1923 TABLE_STRING, "Current DNS Server:",
1924 TABLE_STRING, global_info.current_dns_ex ?: global_info.current_dns);
1925 if (r < 0)
1926 return table_log_add_error(r);
1927 }
1928
1929 r = dump_list(table, "DNS Servers:", global_info.dns_ex ?: global_info.dns);
1930 if (r < 0)
1931 return r;
1932
1933 r = dump_list(table, "Fallback DNS Servers:", global_info.fallback_dns_ex ?: global_info.fallback_dns);
1934 if (r < 0)
1935 return r;
1936
1937 r = dump_list(table, "DNS Domain:", global_info.domains);
1938 if (r < 0)
1939 return r;
1940
1941 r = table_print(table, NULL);
1942 if (r < 0)
1943 return table_log_print_error(r);
1944
1945 *empty_line = true;
1946
1947 return 0;
1948 }
1949
1950 static int status_all(sd_bus *bus, StatusMode mode) {
1951 _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL, *reply = NULL;
1952 _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL;
1953 bool empty_line = false;
1954 int r;
1955
1956 assert(bus);
1957
1958 r = status_global(bus, mode, &empty_line);
1959 if (r < 0)
1960 return r;
1961
1962 r = sd_netlink_open(&rtnl);
1963 if (r < 0)
1964 return log_error_errno(r, "Failed to connect to netlink: %m");
1965
1966 r = sd_rtnl_message_new_link(rtnl, &req, RTM_GETLINK, 0);
1967 if (r < 0)
1968 return rtnl_log_create_error(r);
1969
1970 r = sd_netlink_message_request_dump(req, true);
1971 if (r < 0)
1972 return rtnl_log_create_error(r);
1973
1974 r = sd_netlink_call(rtnl, req, 0, &reply);
1975 if (r < 0)
1976 return log_error_errno(r, "Failed to enumerate links: %m");
1977
1978 _cleanup_free_ InterfaceInfo *infos = NULL;
1979 size_t n_infos = 0;
1980
1981 for (sd_netlink_message *i = reply; i; i = sd_netlink_message_next(i)) {
1982 const char *name;
1983 int ifindex;
1984 uint16_t type;
1985
1986 r = sd_netlink_message_get_type(i, &type);
1987 if (r < 0)
1988 return rtnl_log_parse_error(r);
1989
1990 if (type != RTM_NEWLINK)
1991 continue;
1992
1993 r = sd_rtnl_message_link_get_ifindex(i, &ifindex);
1994 if (r < 0)
1995 return rtnl_log_parse_error(r);
1996
1997 if (ifindex == LOOPBACK_IFINDEX)
1998 continue;
1999
2000 r = sd_netlink_message_read_string(i, IFLA_IFNAME, &name);
2001 if (r < 0)
2002 return rtnl_log_parse_error(r);
2003
2004 if (!GREEDY_REALLOC(infos, n_infos + 1))
2005 return log_oom();
2006
2007 infos[n_infos++] = (InterfaceInfo) { ifindex, name };
2008 }
2009
2010 typesafe_qsort(infos, n_infos, interface_info_compare);
2011
2012 r = 0;
2013 for (size_t i = 0; i < n_infos; i++) {
2014 int q = status_ifindex(bus, infos[i].index, infos[i].name, mode, &empty_line);
2015 if (q < 0 && r >= 0)
2016 r = q;
2017 }
2018
2019 return r;
2020 }
2021
2022 static int verb_status(int argc, char **argv, void *userdata) {
2023 sd_bus *bus = userdata;
2024 _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL;
2025 int r = 0;
2026
2027 if (argc > 1) {
2028 char **ifname;
2029 bool empty_line = false;
2030
2031 STRV_FOREACH(ifname, argv + 1) {
2032 int ifindex, q;
2033
2034 ifindex = rtnl_resolve_interface(&rtnl, *ifname);
2035 if (ifindex < 0) {
2036 log_warning_errno(ifindex, "Failed to resolve interface \"%s\", ignoring: %m", *ifname);
2037 continue;
2038 }
2039
2040 q = status_ifindex(bus, ifindex, NULL, STATUS_ALL, &empty_line);
2041 if (q < 0)
2042 r = q;
2043 }
2044 } else
2045 r = status_all(bus, STATUS_ALL);
2046
2047 return r;
2048 }
2049
2050 static int call_dns(sd_bus *bus, char **dns, const BusLocator *locator, sd_bus_error *error, bool extended) {
2051 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL;
2052 char **p;
2053 int r;
2054
2055 r = bus_message_new_method_call(bus, &req, locator, extended ? "SetLinkDNSEx" : "SetLinkDNS");
2056 if (r < 0)
2057 return bus_log_create_error(r);
2058
2059 r = sd_bus_message_append(req, "i", arg_ifindex);
2060 if (r < 0)
2061 return bus_log_create_error(r);
2062
2063 r = sd_bus_message_open_container(req, 'a', extended ? "(iayqs)" : "(iay)");
2064 if (r < 0)
2065 return bus_log_create_error(r);
2066
2067 /* If only argument is the empty string, then call SetLinkDNS() with an
2068 * empty list, which will clear the list of domains for an interface. */
2069 if (!strv_equal(dns, STRV_MAKE("")))
2070 STRV_FOREACH(p, dns) {
2071 _cleanup_free_ char *name = NULL;
2072 struct in_addr_data data;
2073 uint16_t port;
2074 int ifindex;
2075
2076 r = in_addr_port_ifindex_name_from_string_auto(*p, &data.family, &data.address, &port, &ifindex, &name);
2077 if (r < 0)
2078 return log_error_errno(r, "Failed to parse DNS server address: %s", *p);
2079
2080 if (ifindex != 0 && ifindex != arg_ifindex)
2081 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Invalid ifindex: %i", ifindex);
2082
2083 r = sd_bus_message_open_container(req, 'r', extended ? "iayqs" : "iay");
2084 if (r < 0)
2085 return bus_log_create_error(r);
2086
2087 r = sd_bus_message_append(req, "i", data.family);
2088 if (r < 0)
2089 return bus_log_create_error(r);
2090
2091 r = sd_bus_message_append_array(req, 'y', &data.address, FAMILY_ADDRESS_SIZE(data.family));
2092 if (r < 0)
2093 return bus_log_create_error(r);
2094
2095 if (extended) {
2096 r = sd_bus_message_append(req, "q", port);
2097 if (r < 0)
2098 return bus_log_create_error(r);
2099
2100 r = sd_bus_message_append(req, "s", name);
2101 if (r < 0)
2102 return bus_log_create_error(r);
2103 }
2104
2105 r = sd_bus_message_close_container(req);
2106 if (r < 0)
2107 return bus_log_create_error(r);
2108 }
2109
2110 r = sd_bus_message_close_container(req);
2111 if (r < 0)
2112 return bus_log_create_error(r);
2113
2114 r = sd_bus_call(bus, req, 0, error, NULL);
2115 if (r < 0 && extended && sd_bus_error_has_name(error, SD_BUS_ERROR_UNKNOWN_METHOD)) {
2116 sd_bus_error_free(error);
2117 return call_dns(bus, dns, locator, error, false);
2118 }
2119 return r;
2120 }
2121
2122 static int verb_dns(int argc, char **argv, void *userdata) {
2123 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2124 sd_bus *bus = userdata;
2125 int r;
2126
2127 assert(bus);
2128
2129 if (argc >= 2) {
2130 r = ifname_mangle(argv[1]);
2131 if (r < 0)
2132 return r;
2133 }
2134
2135 if (arg_ifindex <= 0)
2136 return status_all(bus, STATUS_DNS);
2137
2138 if (argc < 3)
2139 return status_ifindex(bus, arg_ifindex, NULL, STATUS_DNS, NULL);
2140
2141 r = call_dns(bus, argv + 2, bus_resolve_mgr, &error, true);
2142 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2143 sd_bus_error_free(&error);
2144
2145 r = call_dns(bus, argv + 2, bus_network_mgr, &error, true);
2146 }
2147 if (r < 0) {
2148 if (arg_ifindex_permissive &&
2149 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2150 return 0;
2151
2152 return log_error_errno(r, "Failed to set DNS configuration: %s", bus_error_message(&error, r));
2153 }
2154
2155 return 0;
2156 }
2157
2158 static int call_domain(sd_bus *bus, char **domain, const BusLocator *locator, sd_bus_error *error) {
2159 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL;
2160 char **p;
2161 int r;
2162
2163 r = bus_message_new_method_call(bus, &req, locator, "SetLinkDomains");
2164 if (r < 0)
2165 return bus_log_create_error(r);
2166
2167 r = sd_bus_message_append(req, "i", arg_ifindex);
2168 if (r < 0)
2169 return bus_log_create_error(r);
2170
2171 r = sd_bus_message_open_container(req, 'a', "(sb)");
2172 if (r < 0)
2173 return bus_log_create_error(r);
2174
2175 /* If only argument is the empty string, then call SetLinkDomains() with an
2176 * empty list, which will clear the list of domains for an interface. */
2177 if (!strv_equal(domain, STRV_MAKE("")))
2178 STRV_FOREACH(p, domain) {
2179 const char *n;
2180
2181 n = **p == '~' ? *p + 1 : *p;
2182
2183 r = dns_name_is_valid(n);
2184 if (r < 0)
2185 return log_error_errno(r, "Failed to validate specified domain %s: %m", n);
2186 if (r == 0)
2187 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2188 "Domain not valid: %s",
2189 n);
2190
2191 r = sd_bus_message_append(req, "(sb)", n, **p == '~');
2192 if (r < 0)
2193 return bus_log_create_error(r);
2194 }
2195
2196 r = sd_bus_message_close_container(req);
2197 if (r < 0)
2198 return bus_log_create_error(r);
2199
2200 return sd_bus_call(bus, req, 0, error, NULL);
2201 }
2202
2203 static int verb_domain(int argc, char **argv, void *userdata) {
2204 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2205 sd_bus *bus = userdata;
2206 int r;
2207
2208 assert(bus);
2209
2210 if (argc >= 2) {
2211 r = ifname_mangle(argv[1]);
2212 if (r < 0)
2213 return r;
2214 }
2215
2216 if (arg_ifindex <= 0)
2217 return status_all(bus, STATUS_DOMAIN);
2218
2219 if (argc < 3)
2220 return status_ifindex(bus, arg_ifindex, NULL, STATUS_DOMAIN, NULL);
2221
2222 r = call_domain(bus, argv + 2, bus_resolve_mgr, &error);
2223 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2224 sd_bus_error_free(&error);
2225
2226 r = call_domain(bus, argv + 2, bus_network_mgr, &error);
2227 }
2228 if (r < 0) {
2229 if (arg_ifindex_permissive &&
2230 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2231 return 0;
2232
2233 return log_error_errno(r, "Failed to set domain configuration: %s", bus_error_message(&error, r));
2234 }
2235
2236 return 0;
2237 }
2238
2239 static int verb_default_route(int argc, char **argv, void *userdata) {
2240 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2241 sd_bus *bus = userdata;
2242 int r, b;
2243
2244 assert(bus);
2245
2246 if (argc >= 2) {
2247 r = ifname_mangle(argv[1]);
2248 if (r < 0)
2249 return r;
2250 }
2251
2252 if (arg_ifindex <= 0)
2253 return status_all(bus, STATUS_DEFAULT_ROUTE);
2254
2255 if (argc < 3)
2256 return status_ifindex(bus, arg_ifindex, NULL, STATUS_DEFAULT_ROUTE, NULL);
2257
2258 b = parse_boolean(argv[2]);
2259 if (b < 0)
2260 return log_error_errno(b, "Failed to parse boolean argument: %s", argv[2]);
2261
2262 r = bus_call_method(bus, bus_resolve_mgr, "SetLinkDefaultRoute", &error, NULL, "ib", arg_ifindex, b);
2263 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2264 sd_bus_error_free(&error);
2265
2266 r = bus_call_method(bus, bus_network_mgr, "SetLinkDefaultRoute", &error, NULL, "ib", arg_ifindex, b);
2267 }
2268 if (r < 0) {
2269 if (arg_ifindex_permissive &&
2270 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2271 return 0;
2272
2273 return log_error_errno(r, "Failed to set default route configuration: %s", bus_error_message(&error, r));
2274 }
2275
2276 return 0;
2277 }
2278
2279 static int verb_llmnr(int argc, char **argv, void *userdata) {
2280 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2281 sd_bus *bus = userdata;
2282 int r;
2283
2284 assert(bus);
2285
2286 if (argc >= 2) {
2287 r = ifname_mangle(argv[1]);
2288 if (r < 0)
2289 return r;
2290 }
2291
2292 if (arg_ifindex <= 0)
2293 return status_all(bus, STATUS_LLMNR);
2294
2295 if (argc < 3)
2296 return status_ifindex(bus, arg_ifindex, NULL, STATUS_LLMNR, NULL);
2297
2298 r = bus_call_method(bus, bus_resolve_mgr, "SetLinkLLMNR", &error, NULL, "is", arg_ifindex, argv[2]);
2299 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2300 sd_bus_error_free(&error);
2301
2302 r = bus_call_method(bus, bus_network_mgr, "SetLinkLLMNR", &error, NULL, "is", arg_ifindex, argv[2]);
2303 }
2304 if (r < 0) {
2305 if (arg_ifindex_permissive &&
2306 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2307 return 0;
2308
2309 return log_error_errno(r, "Failed to set LLMNR configuration: %s", bus_error_message(&error, r));
2310 }
2311
2312 return 0;
2313 }
2314
2315 static int verb_mdns(int argc, char **argv, void *userdata) {
2316 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2317 sd_bus *bus = userdata;
2318 int r;
2319
2320 assert(bus);
2321
2322 if (argc >= 2) {
2323 r = ifname_mangle(argv[1]);
2324 if (r < 0)
2325 return r;
2326 }
2327
2328 if (arg_ifindex <= 0)
2329 return status_all(bus, STATUS_MDNS);
2330
2331 if (argc < 3)
2332 return status_ifindex(bus, arg_ifindex, NULL, STATUS_MDNS, NULL);
2333
2334 r = bus_call_method(bus, bus_resolve_mgr, "SetLinkMulticastDNS", &error, NULL, "is", arg_ifindex, argv[2]);
2335 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2336 sd_bus_error_free(&error);
2337
2338 r = bus_call_method(
2339 bus,
2340 bus_network_mgr,
2341 "SetLinkMulticastDNS",
2342 &error,
2343 NULL,
2344 "is", arg_ifindex, argv[2]);
2345 }
2346 if (r < 0) {
2347 if (arg_ifindex_permissive &&
2348 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2349 return 0;
2350
2351 return log_error_errno(r, "Failed to set MulticastDNS configuration: %s", bus_error_message(&error, r));
2352 }
2353
2354 return 0;
2355 }
2356
2357 static int verb_dns_over_tls(int argc, char **argv, void *userdata) {
2358 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2359 sd_bus *bus = userdata;
2360 int r;
2361
2362 assert(bus);
2363
2364 if (argc >= 2) {
2365 r = ifname_mangle(argv[1]);
2366 if (r < 0)
2367 return r;
2368 }
2369
2370 if (arg_ifindex <= 0)
2371 return status_all(bus, STATUS_PRIVATE);
2372
2373 if (argc < 3)
2374 return status_ifindex(bus, arg_ifindex, NULL, STATUS_PRIVATE, NULL);
2375
2376 r = bus_call_method(bus, bus_resolve_mgr, "SetLinkDNSOverTLS", &error, NULL, "is", arg_ifindex, argv[2]);
2377 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2378 sd_bus_error_free(&error);
2379
2380 r = bus_call_method(
2381 bus,
2382 bus_network_mgr,
2383 "SetLinkDNSOverTLS",
2384 &error,
2385 NULL,
2386 "is", arg_ifindex, argv[2]);
2387 }
2388 if (r < 0) {
2389 if (arg_ifindex_permissive &&
2390 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2391 return 0;
2392
2393 return log_error_errno(r, "Failed to set DNSOverTLS configuration: %s", bus_error_message(&error, r));
2394 }
2395
2396 return 0;
2397 }
2398
2399 static int verb_dnssec(int argc, char **argv, void *userdata) {
2400 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2401 sd_bus *bus = userdata;
2402 int r;
2403
2404 assert(bus);
2405
2406 if (argc >= 2) {
2407 r = ifname_mangle(argv[1]);
2408 if (r < 0)
2409 return r;
2410 }
2411
2412 if (arg_ifindex <= 0)
2413 return status_all(bus, STATUS_DNSSEC);
2414
2415 if (argc < 3)
2416 return status_ifindex(bus, arg_ifindex, NULL, STATUS_DNSSEC, NULL);
2417
2418 r = bus_call_method(bus, bus_resolve_mgr, "SetLinkDNSSEC", &error, NULL, "is", arg_ifindex, argv[2]);
2419 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2420 sd_bus_error_free(&error);
2421
2422 r = bus_call_method(bus, bus_network_mgr, "SetLinkDNSSEC", &error, NULL, "is", arg_ifindex, argv[2]);
2423 }
2424 if (r < 0) {
2425 if (arg_ifindex_permissive &&
2426 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2427 return 0;
2428
2429 return log_error_errno(r, "Failed to set DNSSEC configuration: %s", bus_error_message(&error, r));
2430 }
2431
2432 return 0;
2433 }
2434
2435 static int call_nta(sd_bus *bus, char **nta, const BusLocator *locator, sd_bus_error *error) {
2436 _cleanup_(sd_bus_message_unrefp) sd_bus_message *req = NULL;
2437 int r;
2438
2439 r = bus_message_new_method_call(bus, &req, locator, "SetLinkDNSSECNegativeTrustAnchors");
2440 if (r < 0)
2441 return bus_log_create_error(r);
2442
2443 r = sd_bus_message_append(req, "i", arg_ifindex);
2444 if (r < 0)
2445 return bus_log_create_error(r);
2446
2447 r = sd_bus_message_append_strv(req, nta);
2448 if (r < 0)
2449 return bus_log_create_error(r);
2450
2451 return sd_bus_call(bus, req, 0, error, NULL);
2452 }
2453
2454 static int verb_nta(int argc, char **argv, void *userdata) {
2455 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2456 sd_bus *bus = userdata;
2457 char **p;
2458 int r;
2459 bool clear;
2460
2461 assert(bus);
2462
2463 if (argc >= 2) {
2464 r = ifname_mangle(argv[1]);
2465 if (r < 0)
2466 return r;
2467 }
2468
2469 if (arg_ifindex <= 0)
2470 return status_all(bus, STATUS_NTA);
2471
2472 if (argc < 3)
2473 return status_ifindex(bus, arg_ifindex, NULL, STATUS_NTA, NULL);
2474
2475 /* If only argument is the empty string, then call SetLinkDNSSECNegativeTrustAnchors()
2476 * with an empty list, which will clear the list of domains for an interface. */
2477 clear = strv_equal(argv + 2, STRV_MAKE(""));
2478
2479 if (!clear)
2480 STRV_FOREACH(p, argv + 2) {
2481 r = dns_name_is_valid(*p);
2482 if (r < 0)
2483 return log_error_errno(r, "Failed to validate specified domain %s: %m", *p);
2484 if (r == 0)
2485 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2486 "Domain not valid: %s",
2487 *p);
2488 }
2489
2490 r = call_nta(bus, clear ? NULL : argv + 2, bus_resolve_mgr, &error);
2491 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2492 sd_bus_error_free(&error);
2493
2494 r = call_nta(bus, clear ? NULL : argv + 2, bus_network_mgr, &error);
2495 }
2496 if (r < 0) {
2497 if (arg_ifindex_permissive &&
2498 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2499 return 0;
2500
2501 return log_error_errno(r, "Failed to set DNSSEC NTA configuration: %s", bus_error_message(&error, r));
2502 }
2503
2504 return 0;
2505 }
2506
2507 static int verb_revert_link(int argc, char **argv, void *userdata) {
2508 _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
2509 sd_bus *bus = userdata;
2510 int r;
2511
2512 assert(bus);
2513
2514 if (argc >= 2) {
2515 r = ifname_mangle(argv[1]);
2516 if (r < 0)
2517 return r;
2518 }
2519
2520 if (arg_ifindex <= 0)
2521 return log_error_errno(SYNTHETIC_ERRNO(EINVAL), "Interface argument required.");
2522
2523 r = bus_call_method(bus, bus_resolve_mgr, "RevertLink", &error, NULL, "i", arg_ifindex);
2524 if (r < 0 && sd_bus_error_has_name(&error, BUS_ERROR_LINK_BUSY)) {
2525 sd_bus_error_free(&error);
2526
2527 r = bus_call_method(bus, bus_network_mgr, "RevertLinkDNS", &error, NULL, "i", arg_ifindex);
2528 }
2529 if (r < 0) {
2530 if (arg_ifindex_permissive &&
2531 sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_LINK))
2532 return 0;
2533
2534 return log_error_errno(r, "Failed to revert interface configuration: %s", bus_error_message(&error, r));
2535 }
2536
2537 return 0;
2538 }
2539
2540 static int verb_log_level(int argc, char *argv[], void *userdata) {
2541 sd_bus *bus = userdata;
2542
2543 assert(bus);
2544 assert(IN_SET(argc, 1, 2));
2545
2546 return verb_log_control_common(bus, "org.freedesktop.resolve1", argv[0], argc == 2 ? argv[1] : NULL);
2547 }
2548
2549 static void help_protocol_types(void) {
2550 if (arg_legend)
2551 puts("Known protocol types:");
2552 puts("dns\nllmnr\nllmnr-ipv4\nllmnr-ipv6\nmdns\nmdns-ipv4\nmdns-ipv6");
2553 }
2554
2555 static void help_dns_types(void) {
2556 if (arg_legend)
2557 puts("Known DNS RR types:");
2558
2559 DUMP_STRING_TABLE(dns_type, int, _DNS_TYPE_MAX);
2560 }
2561
2562 static void help_dns_classes(void) {
2563 if (arg_legend)
2564 puts("Known DNS RR classes:");
2565
2566 DUMP_STRING_TABLE(dns_class, int, _DNS_CLASS_MAX);
2567 }
2568
2569 static int compat_help(void) {
2570 _cleanup_free_ char *link = NULL;
2571 int r;
2572
2573 r = terminal_urlify_man("resolvectl", "1", &link);
2574 if (r < 0)
2575 return log_oom();
2576
2577 printf("%1$s [OPTIONS...] HOSTNAME|ADDRESS...\n"
2578 "%1$s [OPTIONS...] --service [[NAME] TYPE] DOMAIN\n"
2579 "%1$s [OPTIONS...] --openpgp EMAIL@DOMAIN...\n"
2580 "%1$s [OPTIONS...] --statistics\n"
2581 "%1$s [OPTIONS...] --reset-statistics\n"
2582 "\n"
2583 "%2$sResolve domain names, IPv4 and IPv6 addresses, DNS records, and services.%3$s\n\n"
2584 " -h --help Show this help\n"
2585 " --version Show package version\n"
2586 " --no-pager Do not pipe output into a pager\n"
2587 " -4 Resolve IPv4 addresses\n"
2588 " -6 Resolve IPv6 addresses\n"
2589 " -i --interface=INTERFACE Look on interface\n"
2590 " -p --protocol=PROTO|help Look via protocol\n"
2591 " -t --type=TYPE|help Query RR with DNS type\n"
2592 " -c --class=CLASS|help Query RR with DNS class\n"
2593 " --service Resolve service (SRV)\n"
2594 " --service-address=BOOL Resolve address for services (default: yes)\n"
2595 " --service-txt=BOOL Resolve TXT records for services (default: yes)\n"
2596 " --openpgp Query OpenPGP public key\n"
2597 " --tlsa Query TLS public key\n"
2598 " --cname=BOOL Follow CNAME redirects (default: yes)\n"
2599 " --search=BOOL Use search domains for single-label names\n"
2600 " (default: yes)\n"
2601 " --raw[=payload|packet] Dump the answer as binary data\n"
2602 " --legend=BOOL Print headers and additional info (default: yes)\n"
2603 " --statistics Show resolver statistics\n"
2604 " --reset-statistics Reset resolver statistics\n"
2605 " --status Show link and server status\n"
2606 " --flush-caches Flush all local DNS caches\n"
2607 " --reset-server-features\n"
2608 " Forget learnt DNS server feature levels\n"
2609 " --set-dns=SERVER Set per-interface DNS server address\n"
2610 " --set-domain=DOMAIN Set per-interface search domain\n"
2611 " --set-llmnr=MODE Set per-interface LLMNR mode\n"
2612 " --set-mdns=MODE Set per-interface MulticastDNS mode\n"
2613 " --set-dnsovertls=MODE Set per-interface DNS-over-TLS mode\n"
2614 " --set-dnssec=MODE Set per-interface DNSSEC mode\n"
2615 " --set-nta=DOMAIN Set per-interface DNSSEC NTA\n"
2616 " --revert Revert per-interface configuration\n"
2617 "\nSee the %4$s for details.\n",
2618 program_invocation_short_name,
2619 ansi_highlight(),
2620 ansi_normal(),
2621 link);
2622
2623 return 0;
2624 }
2625
2626 static int native_help(void) {
2627 _cleanup_free_ char *link = NULL;
2628 int r;
2629
2630 r = terminal_urlify_man("resolvectl", "1", &link);
2631 if (r < 0)
2632 return log_oom();
2633
2634 printf("%s [OPTIONS...] COMMAND ...\n"
2635 "\n"
2636 "%sSend control commands to the network name resolution manager, or%s\n"
2637 "%sresolve domain names, IPv4 and IPv6 addresses, DNS records, and services.%s\n"
2638 "\nCommands:\n"
2639 " query HOSTNAME|ADDRESS... Resolve domain names, IPv4 and IPv6 addresses\n"
2640 " service [[NAME] TYPE] DOMAIN Resolve service (SRV)\n"
2641 " openpgp EMAIL@DOMAIN... Query OpenPGP public key\n"
2642 " tlsa DOMAIN[:PORT]... Query TLS public key\n"
2643 " status [LINK...] Show link and server status\n"
2644 " statistics Show resolver statistics\n"
2645 " reset-statistics Reset resolver statistics\n"
2646 " flush-caches Flush all local DNS caches\n"
2647 " reset-server-features Forget learnt DNS server feature levels\n"
2648 " dns [LINK [SERVER...]] Get/set per-interface DNS server address\n"
2649 " domain [LINK [DOMAIN...]] Get/set per-interface search domain\n"
2650 " default-route [LINK [BOOL]] Get/set per-interface default route flag\n"
2651 " llmnr [LINK [MODE]] Get/set per-interface LLMNR mode\n"
2652 " mdns [LINK [MODE]] Get/set per-interface MulticastDNS mode\n"
2653 " dnsovertls [LINK [MODE]] Get/set per-interface DNS-over-TLS mode\n"
2654 " dnssec [LINK [MODE]] Get/set per-interface DNSSEC mode\n"
2655 " nta [LINK [DOMAIN...]] Get/set per-interface DNSSEC NTA\n"
2656 " revert LINK Revert per-interface configuration\n"
2657 " log-level [LEVEL] Get/set logging threshold for systemd-resolved\n"
2658 "\nOptions:\n"
2659 " -h --help Show this help\n"
2660 " --version Show package version\n"
2661 " --no-pager Do not pipe output into a pager\n"
2662 " -4 Resolve IPv4 addresses\n"
2663 " -6 Resolve IPv6 addresses\n"
2664 " -i --interface=INTERFACE Look on interface\n"
2665 " -p --protocol=PROTO|help Look via protocol\n"
2666 " -t --type=TYPE|help Query RR with DNS type\n"
2667 " -c --class=CLASS|help Query RR with DNS class\n"
2668 " --service-address=BOOL Resolve address for services (default: yes)\n"
2669 " --service-txt=BOOL Resolve TXT records for services (default: yes)\n"
2670 " --cname=BOOL Follow CNAME redirects (default: yes)\n"
2671 " --validate=BOOL Allow DNSSEC validation (default: yes)\n"
2672 " --synthesize=BOOL Allow synthetic response (default: yes)\n"
2673 " --cache=BOOL Allow response from cache (default: yes)\n"
2674 " --zone=BOOL Allow response from locally registered mDNS/LLMNR\n"
2675 " records (default: yes)\n"
2676 " --trust-anchor=BOOL Allow response from local trust anchor (default: yes)\n"
2677 " --network=BOOL Allow response from network (default: yes)\n"
2678 " --search=BOOL Use search domains for single-label names (default: yes)\n"
2679 " --raw[=payload|packet] Dump the answer as binary data\n"
2680 " --legend=BOOL Print headers and additional info (default: yes)\n"
2681 "\nSee the %s for details.\n",
2682 program_invocation_short_name,
2683 ansi_highlight(),
2684 ansi_normal(),
2685 ansi_highlight(),
2686 ansi_normal(),
2687 link);
2688
2689 return 0;
2690 }
2691
2692 static int verb_help(int argc, char **argv, void *userdata) {
2693 return native_help();
2694 }
2695
2696 static int compat_parse_argv(int argc, char *argv[]) {
2697 enum {
2698 ARG_VERSION = 0x100,
2699 ARG_LEGEND,
2700 ARG_SERVICE,
2701 ARG_CNAME,
2702 ARG_SERVICE_ADDRESS,
2703 ARG_SERVICE_TXT,
2704 ARG_OPENPGP,
2705 ARG_TLSA,
2706 ARG_RAW,
2707 ARG_SEARCH,
2708 ARG_STATISTICS,
2709 ARG_RESET_STATISTICS,
2710 ARG_STATUS,
2711 ARG_FLUSH_CACHES,
2712 ARG_RESET_SERVER_FEATURES,
2713 ARG_NO_PAGER,
2714 ARG_SET_DNS,
2715 ARG_SET_DOMAIN,
2716 ARG_SET_LLMNR,
2717 ARG_SET_MDNS,
2718 ARG_SET_PRIVATE,
2719 ARG_SET_DNSSEC,
2720 ARG_SET_NTA,
2721 ARG_REVERT_LINK,
2722 };
2723
2724 static const struct option options[] = {
2725 { "help", no_argument, NULL, 'h' },
2726 { "version", no_argument, NULL, ARG_VERSION },
2727 { "type", required_argument, NULL, 't' },
2728 { "class", required_argument, NULL, 'c' },
2729 { "legend", required_argument, NULL, ARG_LEGEND },
2730 { "interface", required_argument, NULL, 'i' },
2731 { "protocol", required_argument, NULL, 'p' },
2732 { "cname", required_argument, NULL, ARG_CNAME },
2733 { "service", no_argument, NULL, ARG_SERVICE },
2734 { "service-address", required_argument, NULL, ARG_SERVICE_ADDRESS },
2735 { "service-txt", required_argument, NULL, ARG_SERVICE_TXT },
2736 { "openpgp", no_argument, NULL, ARG_OPENPGP },
2737 { "tlsa", optional_argument, NULL, ARG_TLSA },
2738 { "raw", optional_argument, NULL, ARG_RAW },
2739 { "search", required_argument, NULL, ARG_SEARCH },
2740 { "statistics", no_argument, NULL, ARG_STATISTICS, },
2741 { "reset-statistics", no_argument, NULL, ARG_RESET_STATISTICS },
2742 { "status", no_argument, NULL, ARG_STATUS },
2743 { "flush-caches", no_argument, NULL, ARG_FLUSH_CACHES },
2744 { "reset-server-features", no_argument, NULL, ARG_RESET_SERVER_FEATURES },
2745 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
2746 { "set-dns", required_argument, NULL, ARG_SET_DNS },
2747 { "set-domain", required_argument, NULL, ARG_SET_DOMAIN },
2748 { "set-llmnr", required_argument, NULL, ARG_SET_LLMNR },
2749 { "set-mdns", required_argument, NULL, ARG_SET_MDNS },
2750 { "set-dnsovertls", required_argument, NULL, ARG_SET_PRIVATE },
2751 { "set-dnssec", required_argument, NULL, ARG_SET_DNSSEC },
2752 { "set-nta", required_argument, NULL, ARG_SET_NTA },
2753 { "revert", no_argument, NULL, ARG_REVERT_LINK },
2754 {}
2755 };
2756
2757 int c, r;
2758
2759 assert(argc >= 0);
2760 assert(argv);
2761
2762 while ((c = getopt_long(argc, argv, "h46i:t:c:p:", options, NULL)) >= 0)
2763 switch(c) {
2764
2765 case 'h':
2766 return compat_help();
2767
2768 case ARG_VERSION:
2769 return version();
2770
2771 case '4':
2772 arg_family = AF_INET;
2773 break;
2774
2775 case '6':
2776 arg_family = AF_INET6;
2777 break;
2778
2779 case 'i':
2780 r = ifname_mangle(optarg);
2781 if (r < 0)
2782 return r;
2783 break;
2784
2785 case 't':
2786 if (streq(optarg, "help")) {
2787 help_dns_types();
2788 return 0;
2789 }
2790
2791 r = dns_type_from_string(optarg);
2792 if (r < 0)
2793 return log_error_errno(r, "Failed to parse RR record type %s: %m", optarg);
2794
2795 arg_type = (uint16_t) r;
2796 assert((int) arg_type == r);
2797
2798 arg_mode = MODE_RESOLVE_RECORD;
2799 break;
2800
2801 case 'c':
2802 if (streq(optarg, "help")) {
2803 help_dns_classes();
2804 return 0;
2805 }
2806
2807 r = dns_class_from_string(optarg);
2808 if (r < 0)
2809 return log_error_errno(r, "Failed to parse RR record class %s: %m", optarg);
2810
2811 arg_class = (uint16_t) r;
2812 assert((int) arg_class == r);
2813
2814 break;
2815
2816 case ARG_LEGEND:
2817 r = parse_boolean_argument("--legend=", optarg, &arg_legend);
2818 if (r < 0)
2819 return r;
2820 break;
2821
2822 case 'p':
2823 if (streq(optarg, "help")) {
2824 help_protocol_types();
2825 return 0;
2826 } else if (streq(optarg, "dns"))
2827 arg_flags |= SD_RESOLVED_DNS;
2828 else if (streq(optarg, "llmnr"))
2829 arg_flags |= SD_RESOLVED_LLMNR;
2830 else if (streq(optarg, "llmnr-ipv4"))
2831 arg_flags |= SD_RESOLVED_LLMNR_IPV4;
2832 else if (streq(optarg, "llmnr-ipv6"))
2833 arg_flags |= SD_RESOLVED_LLMNR_IPV6;
2834 else if (streq(optarg, "mdns"))
2835 arg_flags |= SD_RESOLVED_MDNS;
2836 else if (streq(optarg, "mdns-ipv4"))
2837 arg_flags |= SD_RESOLVED_MDNS_IPV4;
2838 else if (streq(optarg, "mdns-ipv6"))
2839 arg_flags |= SD_RESOLVED_MDNS_IPV6;
2840 else
2841 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2842 "Unknown protocol specifier: %s", optarg);
2843
2844 break;
2845
2846 case ARG_SERVICE:
2847 arg_mode = MODE_RESOLVE_SERVICE;
2848 break;
2849
2850 case ARG_OPENPGP:
2851 arg_mode = MODE_RESOLVE_OPENPGP;
2852 break;
2853
2854 case ARG_TLSA:
2855 arg_mode = MODE_RESOLVE_TLSA;
2856 if (!optarg || service_family_is_valid(optarg))
2857 arg_service_family = optarg;
2858 else
2859 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2860 "Unknown service family \"%s\".", optarg);
2861 break;
2862
2863 case ARG_RAW:
2864 if (on_tty())
2865 return log_error_errno(SYNTHETIC_ERRNO(ENOTTY),
2866 "Refusing to write binary data to tty.");
2867
2868 if (optarg == NULL || streq(optarg, "payload"))
2869 arg_raw = RAW_PAYLOAD;
2870 else if (streq(optarg, "packet"))
2871 arg_raw = RAW_PACKET;
2872 else
2873 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2874 "Unknown --raw specifier \"%s\".",
2875 optarg);
2876
2877 arg_legend = false;
2878 break;
2879
2880 case ARG_CNAME:
2881 r = parse_boolean_argument("--cname=", optarg, NULL);
2882 if (r < 0)
2883 return r;
2884 SET_FLAG(arg_flags, SD_RESOLVED_NO_CNAME, r == 0);
2885 break;
2886
2887 case ARG_SERVICE_ADDRESS:
2888 r = parse_boolean_argument("--service-address=", optarg, NULL);
2889 if (r < 0)
2890 return r;
2891 SET_FLAG(arg_flags, SD_RESOLVED_NO_ADDRESS, r == 0);
2892 break;
2893
2894 case ARG_SERVICE_TXT:
2895 r = parse_boolean_argument("--service-txt=", optarg, NULL);
2896 if (r < 0)
2897 return r;
2898 SET_FLAG(arg_flags, SD_RESOLVED_NO_TXT, r == 0);
2899 break;
2900
2901 case ARG_SEARCH:
2902 r = parse_boolean_argument("--search=", optarg, NULL);
2903 if (r < 0)
2904 return r;
2905 SET_FLAG(arg_flags, SD_RESOLVED_NO_SEARCH, r == 0);
2906 break;
2907
2908 case ARG_STATISTICS:
2909 arg_mode = MODE_STATISTICS;
2910 break;
2911
2912 case ARG_RESET_STATISTICS:
2913 arg_mode = MODE_RESET_STATISTICS;
2914 break;
2915
2916 case ARG_FLUSH_CACHES:
2917 arg_mode = MODE_FLUSH_CACHES;
2918 break;
2919
2920 case ARG_RESET_SERVER_FEATURES:
2921 arg_mode = MODE_RESET_SERVER_FEATURES;
2922 break;
2923
2924 case ARG_STATUS:
2925 arg_mode = MODE_STATUS;
2926 break;
2927
2928 case ARG_NO_PAGER:
2929 arg_pager_flags |= PAGER_DISABLE;
2930 break;
2931
2932 case ARG_SET_DNS:
2933 r = strv_extend(&arg_set_dns, optarg);
2934 if (r < 0)
2935 return log_oom();
2936
2937 arg_mode = MODE_SET_LINK;
2938 break;
2939
2940 case ARG_SET_DOMAIN:
2941 r = strv_extend(&arg_set_domain, optarg);
2942 if (r < 0)
2943 return log_oom();
2944
2945 arg_mode = MODE_SET_LINK;
2946 break;
2947
2948 case ARG_SET_LLMNR:
2949 arg_set_llmnr = optarg;
2950 arg_mode = MODE_SET_LINK;
2951 break;
2952
2953 case ARG_SET_MDNS:
2954 arg_set_mdns = optarg;
2955 arg_mode = MODE_SET_LINK;
2956 break;
2957
2958 case ARG_SET_PRIVATE:
2959 arg_set_dns_over_tls = optarg;
2960 arg_mode = MODE_SET_LINK;
2961 break;
2962
2963 case ARG_SET_DNSSEC:
2964 arg_set_dnssec = optarg;
2965 arg_mode = MODE_SET_LINK;
2966 break;
2967
2968 case ARG_SET_NTA:
2969 r = strv_extend(&arg_set_nta, optarg);
2970 if (r < 0)
2971 return log_oom();
2972
2973 arg_mode = MODE_SET_LINK;
2974 break;
2975
2976 case ARG_REVERT_LINK:
2977 arg_mode = MODE_REVERT_LINK;
2978 break;
2979
2980 case '?':
2981 return -EINVAL;
2982
2983 default:
2984 assert_not_reached();
2985 }
2986
2987 if (arg_type == 0 && arg_class != 0)
2988 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2989 "--class= may only be used in conjunction with --type=.");
2990
2991 if (arg_type != 0 && arg_mode == MODE_RESOLVE_SERVICE)
2992 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
2993 "--service and --type= may not be combined.");
2994
2995 if (arg_type != 0 && arg_class == 0)
2996 arg_class = DNS_CLASS_IN;
2997
2998 if (arg_class != 0 && arg_type == 0)
2999 arg_type = DNS_TYPE_A;
3000
3001 if (IN_SET(arg_mode, MODE_SET_LINK, MODE_REVERT_LINK)) {
3002
3003 if (arg_ifindex <= 0)
3004 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3005 "--set-dns=, --set-domain=, --set-llmnr=, --set-mdns=, --set-dnsovertls=, --set-dnssec=, --set-nta= and --revert require --interface=.");
3006 }
3007
3008 return 1 /* work to do */;
3009 }
3010
3011 static int native_parse_argv(int argc, char *argv[]) {
3012 enum {
3013 ARG_VERSION = 0x100,
3014 ARG_LEGEND,
3015 ARG_CNAME,
3016 ARG_VALIDATE,
3017 ARG_SYNTHESIZE,
3018 ARG_CACHE,
3019 ARG_ZONE,
3020 ARG_TRUST_ANCHOR,
3021 ARG_NETWORK,
3022 ARG_SERVICE_ADDRESS,
3023 ARG_SERVICE_TXT,
3024 ARG_RAW,
3025 ARG_SEARCH,
3026 ARG_NO_PAGER,
3027 };
3028
3029 static const struct option options[] = {
3030 { "help", no_argument, NULL, 'h' },
3031 { "version", no_argument, NULL, ARG_VERSION },
3032 { "type", required_argument, NULL, 't' },
3033 { "class", required_argument, NULL, 'c' },
3034 { "legend", required_argument, NULL, ARG_LEGEND },
3035 { "interface", required_argument, NULL, 'i' },
3036 { "protocol", required_argument, NULL, 'p' },
3037 { "cname", required_argument, NULL, ARG_CNAME },
3038 { "validate", required_argument, NULL, ARG_VALIDATE },
3039 { "synthesize", required_argument, NULL, ARG_SYNTHESIZE },
3040 { "cache", required_argument, NULL, ARG_CACHE },
3041 { "zone", required_argument, NULL, ARG_ZONE },
3042 { "trust-anchor", required_argument, NULL, ARG_TRUST_ANCHOR },
3043 { "network", required_argument, NULL, ARG_NETWORK },
3044 { "service-address", required_argument, NULL, ARG_SERVICE_ADDRESS },
3045 { "service-txt", required_argument, NULL, ARG_SERVICE_TXT },
3046 { "raw", optional_argument, NULL, ARG_RAW },
3047 { "search", required_argument, NULL, ARG_SEARCH },
3048 { "no-pager", no_argument, NULL, ARG_NO_PAGER },
3049 {}
3050 };
3051
3052 int c, r;
3053
3054 assert(argc >= 0);
3055 assert(argv);
3056
3057 while ((c = getopt_long(argc, argv, "h46i:t:c:p:", options, NULL)) >= 0)
3058 switch(c) {
3059
3060 case 'h':
3061 return native_help();
3062
3063 case ARG_VERSION:
3064 return version();
3065
3066 case '4':
3067 arg_family = AF_INET;
3068 break;
3069
3070 case '6':
3071 arg_family = AF_INET6;
3072 break;
3073
3074 case 'i':
3075 r = ifname_mangle(optarg);
3076 if (r < 0)
3077 return r;
3078 break;
3079
3080 case 't':
3081 if (streq(optarg, "help")) {
3082 help_dns_types();
3083 return 0;
3084 }
3085
3086 r = dns_type_from_string(optarg);
3087 if (r < 0)
3088 return log_error_errno(r, "Failed to parse RR record type %s: %m", optarg);
3089
3090 arg_type = (uint16_t) r;
3091 assert((int) arg_type == r);
3092
3093 break;
3094
3095 case 'c':
3096 if (streq(optarg, "help")) {
3097 help_dns_classes();
3098 return 0;
3099 }
3100
3101 r = dns_class_from_string(optarg);
3102 if (r < 0)
3103 return log_error_errno(r, "Failed to parse RR record class %s: %m", optarg);
3104
3105 arg_class = (uint16_t) r;
3106 assert((int) arg_class == r);
3107
3108 break;
3109
3110 case ARG_LEGEND:
3111 r = parse_boolean_argument("--legend=", optarg, &arg_legend);
3112 if (r < 0)
3113 return r;
3114 break;
3115
3116 case 'p':
3117 if (streq(optarg, "help")) {
3118 help_protocol_types();
3119 return 0;
3120 } else if (streq(optarg, "dns"))
3121 arg_flags |= SD_RESOLVED_DNS;
3122 else if (streq(optarg, "llmnr"))
3123 arg_flags |= SD_RESOLVED_LLMNR;
3124 else if (streq(optarg, "llmnr-ipv4"))
3125 arg_flags |= SD_RESOLVED_LLMNR_IPV4;
3126 else if (streq(optarg, "llmnr-ipv6"))
3127 arg_flags |= SD_RESOLVED_LLMNR_IPV6;
3128 else if (streq(optarg, "mdns"))
3129 arg_flags |= SD_RESOLVED_MDNS;
3130 else if (streq(optarg, "mdns-ipv4"))
3131 arg_flags |= SD_RESOLVED_MDNS_IPV4;
3132 else if (streq(optarg, "mdns-ipv6"))
3133 arg_flags |= SD_RESOLVED_MDNS_IPV6;
3134 else
3135 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3136 "Unknown protocol specifier: %s",
3137 optarg);
3138
3139 break;
3140
3141 case ARG_RAW:
3142 if (on_tty())
3143 return log_error_errno(SYNTHETIC_ERRNO(ENOTTY),
3144 "Refusing to write binary data to tty.");
3145
3146 if (optarg == NULL || streq(optarg, "payload"))
3147 arg_raw = RAW_PAYLOAD;
3148 else if (streq(optarg, "packet"))
3149 arg_raw = RAW_PACKET;
3150 else
3151 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3152 "Unknown --raw specifier \"%s\".",
3153 optarg);
3154
3155 arg_legend = false;
3156 break;
3157
3158 case ARG_CNAME:
3159 r = parse_boolean_argument("--cname=", optarg, NULL);
3160 if (r < 0)
3161 return r;
3162 SET_FLAG(arg_flags, SD_RESOLVED_NO_CNAME, r == 0);
3163 break;
3164
3165 case ARG_VALIDATE:
3166 r = parse_boolean_argument("--validate=", optarg, NULL);
3167 if (r < 0)
3168 return r;
3169 SET_FLAG(arg_flags, SD_RESOLVED_NO_VALIDATE, r == 0);
3170 break;
3171
3172 case ARG_SYNTHESIZE:
3173 r = parse_boolean_argument("--synthesize=", optarg, NULL);
3174 if (r < 0)
3175 return r;
3176 SET_FLAG(arg_flags, SD_RESOLVED_NO_SYNTHESIZE, r == 0);
3177 break;
3178
3179 case ARG_CACHE:
3180 r = parse_boolean_argument("--cache=", optarg, NULL);
3181 if (r < 0)
3182 return r;
3183 SET_FLAG(arg_flags, SD_RESOLVED_NO_CACHE, r == 0);
3184 break;
3185
3186 case ARG_ZONE:
3187 r = parse_boolean_argument("--zone=", optarg, NULL);
3188 if (r < 0)
3189 return r;
3190 SET_FLAG(arg_flags, SD_RESOLVED_NO_ZONE, r == 0);
3191 break;
3192
3193 case ARG_TRUST_ANCHOR:
3194 r = parse_boolean_argument("--trust-anchor=", optarg, NULL);
3195 if (r < 0)
3196 return r;
3197 SET_FLAG(arg_flags, SD_RESOLVED_NO_TRUST_ANCHOR, r == 0);
3198 break;
3199
3200 case ARG_NETWORK:
3201 r = parse_boolean_argument("--network=", optarg, NULL);
3202 if (r < 0)
3203 return r;
3204 SET_FLAG(arg_flags, SD_RESOLVED_NO_NETWORK, r == 0);
3205 break;
3206
3207 case ARG_SERVICE_ADDRESS:
3208 r = parse_boolean_argument("--service-address=", optarg, NULL);
3209 if (r < 0)
3210 return r;
3211 SET_FLAG(arg_flags, SD_RESOLVED_NO_ADDRESS, r == 0);
3212 break;
3213
3214 case ARG_SERVICE_TXT:
3215 r = parse_boolean_argument("--service-txt=", optarg, NULL);
3216 if (r < 0)
3217 return r;
3218 SET_FLAG(arg_flags, SD_RESOLVED_NO_TXT, r == 0);
3219 break;
3220
3221 case ARG_SEARCH:
3222 r = parse_boolean_argument("--search=", optarg, NULL);
3223 if (r < 0)
3224 return r;
3225 SET_FLAG(arg_flags, SD_RESOLVED_NO_SEARCH, r == 0);
3226 break;
3227
3228 case ARG_NO_PAGER:
3229 arg_pager_flags |= PAGER_DISABLE;
3230 break;
3231
3232 case '?':
3233 return -EINVAL;
3234
3235 default:
3236 assert_not_reached();
3237 }
3238
3239 if (arg_type == 0 && arg_class != 0)
3240 return log_error_errno(SYNTHETIC_ERRNO(EINVAL),
3241 "--class= may only be used in conjunction with --type=.");
3242
3243 if (arg_type != 0 && arg_class == 0)
3244 arg_class = DNS_CLASS_IN;
3245
3246 if (arg_class != 0 && arg_type == 0)
3247 arg_type = DNS_TYPE_A;
3248
3249 return 1 /* work to do */;
3250 }
3251
3252 static int native_main(int argc, char *argv[], sd_bus *bus) {
3253
3254 static const Verb verbs[] = {
3255 { "help", VERB_ANY, VERB_ANY, 0, verb_help },
3256 { "status", VERB_ANY, VERB_ANY, VERB_DEFAULT, verb_status },
3257 { "query", 2, VERB_ANY, 0, verb_query },
3258 { "service", 2, 4, 0, verb_service },
3259 { "openpgp", 2, VERB_ANY, 0, verb_openpgp },
3260 { "tlsa", 2, VERB_ANY, 0, verb_tlsa },
3261 { "statistics", VERB_ANY, 1, 0, show_statistics },
3262 { "reset-statistics", VERB_ANY, 1, 0, reset_statistics },
3263 { "flush-caches", VERB_ANY, 1, 0, flush_caches },
3264 { "reset-server-features", VERB_ANY, 1, 0, reset_server_features },
3265 { "dns", VERB_ANY, VERB_ANY, 0, verb_dns },
3266 { "domain", VERB_ANY, VERB_ANY, 0, verb_domain },
3267 { "default-route", VERB_ANY, 3, 0, verb_default_route },
3268 { "llmnr", VERB_ANY, 3, 0, verb_llmnr },
3269 { "mdns", VERB_ANY, 3, 0, verb_mdns },
3270 { "dnsovertls", VERB_ANY, 3, 0, verb_dns_over_tls },
3271 { "dnssec", VERB_ANY, 3, 0, verb_dnssec },
3272 { "nta", VERB_ANY, VERB_ANY, 0, verb_nta },
3273 { "revert", VERB_ANY, 2, 0, verb_revert_link },
3274 { "log-level", VERB_ANY, 2, 0, verb_log_level },
3275 {}
3276 };
3277
3278 return dispatch_verb(argc, argv, verbs, bus);
3279 }
3280
3281 static int translate(const char *verb, const char *single_arg, size_t num_args, char **args, sd_bus *bus) {
3282 char **fake, **p;
3283 size_t num;
3284
3285 assert(verb);
3286 assert(num_args == 0 || args);
3287
3288 num = !!single_arg + num_args + 1;
3289
3290 p = fake = newa0(char *, num + 1);
3291 *p++ = (char *) verb;
3292 if (single_arg)
3293 *p++ = (char *) single_arg;
3294 for (size_t i = 0; i < num_args; i++)
3295 *p++ = args[i];
3296
3297 optind = 0;
3298 return native_main((int) num, fake, bus);
3299 }
3300
3301 static int compat_main(int argc, char *argv[], sd_bus *bus) {
3302 int r = 0;
3303
3304 switch (arg_mode) {
3305 case MODE_RESOLVE_HOST:
3306 case MODE_RESOLVE_RECORD:
3307 return translate("query", NULL, argc - optind, argv + optind, bus);
3308
3309 case MODE_RESOLVE_SERVICE:
3310 return translate("service", NULL, argc - optind, argv + optind, bus);
3311
3312 case MODE_RESOLVE_OPENPGP:
3313 return translate("openpgp", NULL, argc - optind, argv + optind, bus);
3314
3315 case MODE_RESOLVE_TLSA:
3316 return translate("tlsa", arg_service_family, argc - optind, argv + optind, bus);
3317
3318 case MODE_STATISTICS:
3319 return translate("statistics", NULL, 0, NULL, bus);
3320
3321 case MODE_RESET_STATISTICS:
3322 return translate("reset-statistics", NULL, 0, NULL, bus);
3323
3324 case MODE_FLUSH_CACHES:
3325 return translate("flush-caches", NULL, 0, NULL, bus);
3326
3327 case MODE_RESET_SERVER_FEATURES:
3328 return translate("reset-server-features", NULL, 0, NULL, bus);
3329
3330 case MODE_STATUS:
3331 return translate("status", NULL, argc - optind, argv + optind, bus);
3332
3333 case MODE_SET_LINK:
3334 assert(arg_ifname);
3335
3336 if (arg_set_dns) {
3337 r = translate("dns", arg_ifname, strv_length(arg_set_dns), arg_set_dns, bus);
3338 if (r < 0)
3339 return r;
3340 }
3341
3342 if (arg_set_domain) {
3343 r = translate("domain", arg_ifname, strv_length(arg_set_domain), arg_set_domain, bus);
3344 if (r < 0)
3345 return r;
3346 }
3347
3348 if (arg_set_nta) {
3349 r = translate("nta", arg_ifname, strv_length(arg_set_nta), arg_set_nta, bus);
3350 if (r < 0)
3351 return r;
3352 }
3353
3354 if (arg_set_llmnr) {
3355 r = translate("llmnr", arg_ifname, 1, (char **) &arg_set_llmnr, bus);
3356 if (r < 0)
3357 return r;
3358 }
3359
3360 if (arg_set_mdns) {
3361 r = translate("mdns", arg_ifname, 1, (char **) &arg_set_mdns, bus);
3362 if (r < 0)
3363 return r;
3364 }
3365
3366 if (arg_set_dns_over_tls) {
3367 r = translate("dnsovertls", arg_ifname, 1, (char **) &arg_set_dns_over_tls, bus);
3368 if (r < 0)
3369 return r;
3370 }
3371
3372 if (arg_set_dnssec) {
3373 r = translate("dnssec", arg_ifname, 1, (char **) &arg_set_dnssec, bus);
3374 if (r < 0)
3375 return r;
3376 }
3377
3378 return r;
3379
3380 case MODE_REVERT_LINK:
3381 assert(arg_ifname);
3382
3383 return translate("revert", arg_ifname, 0, NULL, bus);
3384
3385 case _MODE_INVALID:
3386 assert_not_reached();
3387 }
3388
3389 return 0;
3390 }
3391
3392 static int run(int argc, char **argv) {
3393 _cleanup_(sd_bus_flush_close_unrefp) sd_bus *bus = NULL;
3394 int r;
3395
3396 setlocale(LC_ALL, "");
3397 log_setup();
3398
3399 if (invoked_as(argv, "resolvconf"))
3400 r = resolvconf_parse_argv(argc, argv);
3401 else if (invoked_as(argv, "systemd-resolve"))
3402 r = compat_parse_argv(argc, argv);
3403 else
3404 r = native_parse_argv(argc, argv);
3405 if (r <= 0)
3406 return r;
3407
3408 r = sd_bus_open_system(&bus);
3409 if (r < 0)
3410 return log_error_errno(r, "sd_bus_open_system: %m");
3411
3412 if (STR_IN_SET(program_invocation_short_name, "systemd-resolve", "resolvconf"))
3413 return compat_main(argc, argv, bus);
3414
3415 return native_main(argc, argv, bus);
3416 }
3417
3418 DEFINE_MAIN_FUNCTION(run);
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